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/20170319-ConjunctivePathPrograms/count_by_nondet.i_3.bplTransformedIcfg_BEv2_3.bpl -------------------------------------------------------------------------------- This is Ultimate 0.1.23-935f392 [2018-07-23 13:40:32,895 INFO L170 SettingsManager]: Resetting all preferences to default values... [2018-07-23 13:40:32,897 INFO L174 SettingsManager]: Resetting UltimateCore preferences to default values [2018-07-23 13:40:32,909 INFO L177 SettingsManager]: Ultimate Commandline Interface provides no preferences, ignoring... [2018-07-23 13:40:32,909 INFO L174 SettingsManager]: Resetting Boogie Preprocessor preferences to default values [2018-07-23 13:40:32,910 INFO L174 SettingsManager]: Resetting Boogie Procedure Inliner preferences to default values [2018-07-23 13:40:32,911 INFO L174 SettingsManager]: Resetting Abstract Interpretation preferences to default values [2018-07-23 13:40:32,913 INFO L174 SettingsManager]: Resetting LassoRanker preferences to default values [2018-07-23 13:40:32,915 INFO L174 SettingsManager]: Resetting Reaching Definitions preferences to default values [2018-07-23 13:40:32,916 INFO L174 SettingsManager]: Resetting SyntaxChecker preferences to default values [2018-07-23 13:40:32,917 INFO L177 SettingsManager]: Büchi Program Product provides no preferences, ignoring... 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[2018-07-23 13:40:32,941 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 13:40:32,955 INFO L110 SettingsManager]: Loading preferences was successful [2018-07-23 13:40:32,955 INFO L112 SettingsManager]: Preferences different from defaults after loading the file: [2018-07-23 13:40:32,956 INFO L131 SettingsManager]: Preferences of RCFGBuilder differ from their defaults: [2018-07-23 13:40:32,956 INFO L133 SettingsManager]: * SMT solver=Internal_SMTInterpol [2018-07-23 13:40:32,957 INFO L131 SettingsManager]: Preferences of TraceAbstraction differ from their defaults: [2018-07-23 13:40:32,957 INFO L133 SettingsManager]: * Compute Interpolants along a Counterexample=Craig_NestedInterpolation [2018-07-23 13:40:32,957 INFO L133 SettingsManager]: * Use separate solver for trace checks=false [2018-07-23 13:40:32,957 INFO L133 SettingsManager]: * Compute Hoare Annotation of negated interpolant automaton, abstraction and CFG=true [2018-07-23 13:40:33,000 INFO L81 nceAwareModelManager]: Repository-Root is: /tmp [2018-07-23 13:40:33,013 INFO L258 ainManager$Toolchain]: [Toolchain 1]: Applicable parser(s) successfully (re)initialized [2018-07-23 13:40:33,017 INFO L214 ainManager$Toolchain]: [Toolchain 1]: Toolchain selected. [2018-07-23 13:40:33,019 INFO L271 PluginConnector]: Initializing Boogie PL CUP Parser... [2018-07-23 13:40:33,019 INFO L276 PluginConnector]: Boogie PL CUP Parser initialized [2018-07-23 13:40:33,020 INFO L418 ainManager$Toolchain]: [Toolchain 1]: Parsing single file: /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/../../../trunk/examples/programs/20170319-ConjunctivePathPrograms/count_by_nondet.i_3.bplTransformedIcfg_BEv2_3.bpl [2018-07-23 13:40:33,020 INFO L111 BoogieParser]: Parsing: '/storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/../../../trunk/examples/programs/20170319-ConjunctivePathPrograms/count_by_nondet.i_3.bplTransformedIcfg_BEv2_3.bpl' [2018-07-23 13:40:33,071 INFO L296 ainManager$Toolchain]: ####################### [Toolchain 1] ####################### [2018-07-23 13:40:33,073 INFO L131 ToolchainWalker]: Walking toolchain with 3 elements. [2018-07-23 13:40:33,074 INFO L113 PluginConnector]: ------------------------Boogie Preprocessor---------------------------- [2018-07-23 13:40:33,074 INFO L271 PluginConnector]: Initializing Boogie Preprocessor... [2018-07-23 13:40:33,074 INFO L276 PluginConnector]: Boogie Preprocessor initialized [2018-07-23 13:40:33,102 INFO L185 PluginConnector]: Executing the observer EnsureBoogieModelObserver from plugin Boogie Preprocessor for "count_by_nondet.i_3.bplTransformedIcfg_BEv2_3.bpl de.uni_freiburg.informatik.ultimate.boogie.parser AST 23.07 01:40:33" (1/1) ... [2018-07-23 13:40:33,104 INFO L185 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Preprocessor for "count_by_nondet.i_3.bplTransformedIcfg_BEv2_3.bpl de.uni_freiburg.informatik.ultimate.boogie.parser AST 23.07 01:40:33" (1/1) ... [2018-07-23 13:40:33,115 INFO L185 PluginConnector]: Executing the observer ConstExpander from plugin Boogie Preprocessor for "count_by_nondet.i_3.bplTransformedIcfg_BEv2_3.bpl de.uni_freiburg.informatik.ultimate.boogie.parser AST 23.07 01:40:33" (1/1) ... [2018-07-23 13:40:33,115 INFO L185 PluginConnector]: Executing the observer StructExpander from plugin Boogie Preprocessor for "count_by_nondet.i_3.bplTransformedIcfg_BEv2_3.bpl de.uni_freiburg.informatik.ultimate.boogie.parser AST 23.07 01:40:33" (1/1) ... [2018-07-23 13:40:33,118 INFO L185 PluginConnector]: Executing the observer UnstructureCode from plugin Boogie Preprocessor for "count_by_nondet.i_3.bplTransformedIcfg_BEv2_3.bpl de.uni_freiburg.informatik.ultimate.boogie.parser AST 23.07 01:40:33" (1/1) ... [2018-07-23 13:40:33,120 INFO L185 PluginConnector]: Executing the observer FunctionInliner from plugin Boogie Preprocessor for "count_by_nondet.i_3.bplTransformedIcfg_BEv2_3.bpl de.uni_freiburg.informatik.ultimate.boogie.parser AST 23.07 01:40:33" (1/1) ... [2018-07-23 13:40:33,121 INFO L185 PluginConnector]: Executing the observer BoogieSymbolTableConstructor from plugin Boogie Preprocessor for "count_by_nondet.i_3.bplTransformedIcfg_BEv2_3.bpl de.uni_freiburg.informatik.ultimate.boogie.parser AST 23.07 01:40:33" (1/1) ... [2018-07-23 13:40:33,122 INFO L132 PluginConnector]: ------------------------ END Boogie Preprocessor---------------------------- [2018-07-23 13:40:33,123 INFO L113 PluginConnector]: ------------------------RCFGBuilder---------------------------- [2018-07-23 13:40:33,123 INFO L271 PluginConnector]: Initializing RCFGBuilder... [2018-07-23 13:40:33,124 INFO L276 PluginConnector]: RCFGBuilder initialized [2018-07-23 13:40:33,125 INFO L185 PluginConnector]: Executing the observer RCFGBuilderObserver from plugin RCFGBuilder for "count_by_nondet.i_3.bplTransformedIcfg_BEv2_3.bpl de.uni_freiburg.informatik.ultimate.boogie.parser AST 23.07 01:40:33" (1/1) ... [2018-07-23 13:40:33,211 INFO L124 BoogieDeclarations]: Specification and implementation of procedure ULTIMATE.start given in one single declaration [2018-07-23 13:40:33,212 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.start [2018-07-23 13:40:33,212 INFO L138 BoogieDeclarations]: Found implementation of procedure ULTIMATE.start [2018-07-23 13:40:33,352 INFO L261 CfgBuilder]: Using the 1 location(s) as analysis (start of procedure ULTIMATE.start) [2018-07-23 13:40:33,353 INFO L202 PluginConnector]: Adding new model count_by_nondet.i_3.bplTransformedIcfg_BEv2_3.bpl de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 23.07 01:40:33 BoogieIcfgContainer [2018-07-23 13:40:33,353 INFO L132 PluginConnector]: ------------------------ END RCFGBuilder---------------------------- [2018-07-23 13:40:33,354 INFO L113 PluginConnector]: ------------------------TraceAbstraction---------------------------- [2018-07-23 13:40:33,355 INFO L271 PluginConnector]: Initializing TraceAbstraction... [2018-07-23 13:40:33,358 INFO L276 PluginConnector]: TraceAbstraction initialized [2018-07-23 13:40:33,359 INFO L185 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "count_by_nondet.i_3.bplTransformedIcfg_BEv2_3.bpl de.uni_freiburg.informatik.ultimate.boogie.parser AST 23.07 01:40:33" (1/2) ... [2018-07-23 13:40:33,360 INFO L205 PluginConnector]: Invalid model from TraceAbstraction for observer de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.TraceAbstractionObserver@513134b1 and model type count_by_nondet.i_3.bplTransformedIcfg_BEv2_3.bpl de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction AST 23.07 01:40:33, skipping insertion in model container [2018-07-23 13:40:33,360 INFO L185 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "count_by_nondet.i_3.bplTransformedIcfg_BEv2_3.bpl de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 23.07 01:40:33" (2/2) ... [2018-07-23 13:40:33,363 INFO L112 eAbstractionObserver]: Analyzing ICFG count_by_nondet.i_3.bplTransformedIcfg_BEv2_3.bpl [2018-07-23 13:40:33,374 INFO L132 ceAbstractionStarter]: Automizer settings: Hoare:true NWA Interpolation:Craig_NestedInterpolation Determinization: PREDICATE_ABSTRACTION [2018-07-23 13:40:33,384 INFO L144 ceAbstractionStarter]: Appying trace abstraction to program that has 1 error locations. [2018-07-23 13:40:33,437 INFO L128 ementStrategyFactory]: Using default assertion order modulation [2018-07-23 13:40:33,438 INFO L373 AbstractCegarLoop]: Interprodecural is true [2018-07-23 13:40:33,438 INFO L374 AbstractCegarLoop]: Hoare is true [2018-07-23 13:40:33,438 INFO L375 AbstractCegarLoop]: Compute interpolants for Craig_NestedInterpolation [2018-07-23 13:40:33,438 INFO L376 AbstractCegarLoop]: Backedges is CANONICAL [2018-07-23 13:40:33,439 INFO L377 AbstractCegarLoop]: Determinization is PREDICATE_ABSTRACTION [2018-07-23 13:40:33,439 INFO L378 AbstractCegarLoop]: Difference is false [2018-07-23 13:40:33,439 INFO L379 AbstractCegarLoop]: Minimize is MINIMIZE_SEVPA [2018-07-23 13:40:33,439 INFO L384 AbstractCegarLoop]: ======== Iteration 0==of CEGAR loop == AllErrorsAtOnce======== [2018-07-23 13:40:33,454 INFO L276 IsEmpty]: Start isEmpty. Operand 5 states. [2018-07-23 13:40:33,466 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 4 [2018-07-23 13:40:33,466 INFO L349 BasicCegarLoop]: Found error trace [2018-07-23 13:40:33,468 INFO L357 BasicCegarLoop]: trace histogram [1, 1, 1] [2018-07-23 13:40:33,468 INFO L414 AbstractCegarLoop]: === Iteration 1 === [ULTIMATE.startErr0AssertViolationASSERT]=== [2018-07-23 13:40:33,475 INFO L82 PathProgramCache]: Analyzing trace with hash 30017, now seen corresponding path program 1 times [2018-07-23 13:40:33,482 INFO L69 tionRefinementEngine]: Using refinement strategy FixedRefinementStrategy [2018-07-23 13:40:33,501 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-07-23 13:40:33,552 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2018-07-23 13:40:33,554 INFO L309 seRefinementStrategy]: Constructing automaton from 1 perfect and 0 imperfect interpolant sequences. [2018-07-23 13:40:33,555 INFO L324 seRefinementStrategy]: Number of different interpolants: perfect sequences [2] imperfect sequences [] total 2 [2018-07-23 13:40:33,557 INFO L142 lantAutomatonBuilder]: Constructing canonical interpolant automaton, with selfloop in false state [2018-07-23 13:40:33,557 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2018-07-23 13:40:33,558 INFO L185 omatonBuilderFactory]: Interpolants [8#true, 9#false, 10#(<= ULTIMATE.start_main_~i~5 0)] [2018-07-23 13:40:33,558 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2018-07-23 13:40:33,559 INFO L450 AbstractCegarLoop]: Interpolant automaton has 3 states [2018-07-23 13:40:33,572 INFO L132 InterpolantAutomaton]: Constructing interpolant automaton starting with 3 interpolants. [2018-07-23 13:40:33,572 INFO L133 InterpolantAutomaton]: CoverageRelationStatistics Valid=3, Invalid=3, Unknown=0, NotChecked=0, Total=6 [2018-07-23 13:40:33,574 INFO L87 Difference]: Start difference. First operand 5 states. Second operand 3 states. [2018-07-23 13:40:33,603 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2018-07-23 13:40:33,603 INFO L93 Difference]: Finished difference Result 8 states and 9 transitions. [2018-07-23 13:40:33,604 INFO L142 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 3 states. [2018-07-23 13:40:33,605 INFO L78 Accepts]: Start accepts. Automaton has 3 states. Word has length 3 [2018-07-23 13:40:33,606 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2018-07-23 13:40:33,616 INFO L225 Difference]: With dead ends: 8 [2018-07-23 13:40:33,616 INFO L226 Difference]: Without dead ends: 5 [2018-07-23 13:40:33,622 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 13:40:33,643 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 5 states. [2018-07-23 13:40:33,658 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 5 to 5. [2018-07-23 13:40:33,659 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 5 states. [2018-07-23 13:40:33,660 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 5 states to 5 states and 5 transitions. [2018-07-23 13:40:33,661 INFO L78 Accepts]: Start accepts. Automaton has 5 states and 5 transitions. Word has length 3 [2018-07-23 13:40:33,661 INFO L84 Accepts]: Finished accepts. word is rejected. [2018-07-23 13:40:33,662 INFO L471 AbstractCegarLoop]: Abstraction has 5 states and 5 transitions. [2018-07-23 13:40:33,662 INFO L472 AbstractCegarLoop]: Interpolant automaton has 3 states. [2018-07-23 13:40:33,662 INFO L276 IsEmpty]: Start isEmpty. Operand 5 states and 5 transitions. [2018-07-23 13:40:33,662 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 5 [2018-07-23 13:40:33,663 INFO L349 BasicCegarLoop]: Found error trace [2018-07-23 13:40:33,663 INFO L357 BasicCegarLoop]: trace histogram [1, 1, 1, 1] [2018-07-23 13:40:33,663 INFO L414 AbstractCegarLoop]: === Iteration 2 === [ULTIMATE.startErr0AssertViolationASSERT]=== [2018-07-23 13:40:33,664 INFO L82 PathProgramCache]: Analyzing trace with hash 928552, now seen corresponding path program 1 times [2018-07-23 13:40:33,664 INFO L69 tionRefinementEngine]: Using refinement strategy FixedRefinementStrategy [2018-07-23 13:40:33,670 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-07-23 13:40:33,692 INFO L134 CoverageAnalysis]: Checked inductivity of 1 backedges. 0 proven. 1 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2018-07-23 13:40:33,693 INFO L309 seRefinementStrategy]: Constructing automaton from 0 perfect and 1 imperfect interpolant sequences. [2018-07-23 13:40:33,693 INFO L324 seRefinementStrategy]: Number of different interpolants: perfect sequences [] imperfect sequences [3] total 3 [2018-07-23 13:40:33,693 INFO L142 lantAutomatonBuilder]: Constructing canonical interpolant automaton, with selfloop in false state [2018-07-23 13:40:33,693 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 13:40:33,694 INFO L185 omatonBuilderFactory]: Interpolants [37#true, 38#false, 39#(<= ULTIMATE.start_main_~i~5 0), 40#(<= ULTIMATE.start_main_~i~5 999999)] [2018-07-23 13:40:33,694 INFO L134 CoverageAnalysis]: Checked inductivity of 1 backedges. 0 proven. 1 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2018-07-23 13:40:33,696 INFO L450 AbstractCegarLoop]: Interpolant automaton has 4 states [2018-07-23 13:40:33,696 INFO L132 InterpolantAutomaton]: Constructing interpolant automaton starting with 4 interpolants. [2018-07-23 13:40:33,696 INFO L133 InterpolantAutomaton]: CoverageRelationStatistics Valid=6, Invalid=6, Unknown=0, NotChecked=0, Total=12 [2018-07-23 13:40:33,697 INFO L87 Difference]: Start difference. First operand 5 states and 5 transitions. Second operand 4 states. [2018-07-23 13:40:33,725 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2018-07-23 13:40:33,725 INFO L93 Difference]: Finished difference Result 8 states and 8 transitions. [2018-07-23 13:40:33,726 INFO L142 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 4 states. [2018-07-23 13:40:33,726 INFO L78 Accepts]: Start accepts. Automaton has 4 states. Word has length 4 [2018-07-23 13:40:33,726 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2018-07-23 13:40:33,727 INFO L225 Difference]: With dead ends: 8 [2018-07-23 13:40:33,727 INFO L226 Difference]: Without dead ends: 6 [2018-07-23 13:40:33,728 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 13:40:33,728 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 6 states. [2018-07-23 13:40:33,730 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 6 to 6. [2018-07-23 13:40:33,730 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 6 states. [2018-07-23 13:40:33,731 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 6 states to 6 states and 6 transitions. [2018-07-23 13:40:33,731 INFO L78 Accepts]: Start accepts. Automaton has 6 states and 6 transitions. Word has length 4 [2018-07-23 13:40:33,731 INFO L84 Accepts]: Finished accepts. word is rejected. [2018-07-23 13:40:33,731 INFO L471 AbstractCegarLoop]: Abstraction has 6 states and 6 transitions. [2018-07-23 13:40:33,732 INFO L472 AbstractCegarLoop]: Interpolant automaton has 4 states. [2018-07-23 13:40:33,732 INFO L276 IsEmpty]: Start isEmpty. Operand 6 states and 6 transitions. [2018-07-23 13:40:33,732 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 6 [2018-07-23 13:40:33,732 INFO L349 BasicCegarLoop]: Found error trace [2018-07-23 13:40:33,733 INFO L357 BasicCegarLoop]: trace histogram [2, 1, 1, 1] [2018-07-23 13:40:33,733 INFO L414 AbstractCegarLoop]: === Iteration 3 === [ULTIMATE.startErr0AssertViolationASSERT]=== [2018-07-23 13:40:33,733 INFO L82 PathProgramCache]: Analyzing trace with hash 28783137, now seen corresponding path program 2 times [2018-07-23 13:40:33,733 INFO L69 tionRefinementEngine]: Using refinement strategy FixedRefinementStrategy [2018-07-23 13:40:33,742 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-07-23 13:40:33,779 INFO L134 CoverageAnalysis]: Checked inductivity of 3 backedges. 0 proven. 3 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2018-07-23 13:40:33,780 INFO L309 seRefinementStrategy]: Constructing automaton from 0 perfect and 1 imperfect interpolant sequences. [2018-07-23 13:40:33,780 INFO L324 seRefinementStrategy]: Number of different interpolants: perfect sequences [] imperfect sequences [4] total 4 [2018-07-23 13:40:33,780 INFO L142 lantAutomatonBuilder]: Constructing canonical interpolant automaton, with selfloop in false state [2018-07-23 13:40:33,780 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 13:40:33,781 INFO L185 omatonBuilderFactory]: Interpolants [69#true, 70#false, 71#(<= ULTIMATE.start_main_~k~5 0), 72#(<= ULTIMATE.start_main_~k~5 1), 73#(<= ULTIMATE.start_main_~k~5 2)] [2018-07-23 13:40:33,781 INFO L134 CoverageAnalysis]: Checked inductivity of 3 backedges. 0 proven. 3 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2018-07-23 13:40:33,781 INFO L450 AbstractCegarLoop]: Interpolant automaton has 5 states [2018-07-23 13:40:33,781 INFO L132 InterpolantAutomaton]: Constructing interpolant automaton starting with 5 interpolants. [2018-07-23 13:40:33,782 INFO L133 InterpolantAutomaton]: CoverageRelationStatistics Valid=10, Invalid=10, Unknown=0, NotChecked=0, Total=20 [2018-07-23 13:40:33,782 INFO L87 Difference]: Start difference. First operand 6 states and 6 transitions. Second operand 5 states. [2018-07-23 13:40:33,806 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2018-07-23 13:40:33,807 INFO L93 Difference]: Finished difference Result 9 states and 9 transitions. [2018-07-23 13:40:33,807 INFO L142 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 5 states. [2018-07-23 13:40:33,807 INFO L78 Accepts]: Start accepts. Automaton has 5 states. Word has length 5 [2018-07-23 13:40:33,808 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2018-07-23 13:40:33,808 INFO L225 Difference]: With dead ends: 9 [2018-07-23 13:40:33,808 INFO L226 Difference]: Without dead ends: 7 [2018-07-23 13:40:33,809 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 13:40:33,810 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 7 states. [2018-07-23 13:40:33,812 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 7 to 7. [2018-07-23 13:40:33,812 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 7 states. [2018-07-23 13:40:33,813 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 7 states to 7 states and 7 transitions. [2018-07-23 13:40:33,813 INFO L78 Accepts]: Start accepts. Automaton has 7 states and 7 transitions. Word has length 5 [2018-07-23 13:40:33,813 INFO L84 Accepts]: Finished accepts. word is rejected. [2018-07-23 13:40:33,815 INFO L471 AbstractCegarLoop]: Abstraction has 7 states and 7 transitions. [2018-07-23 13:40:33,815 INFO L472 AbstractCegarLoop]: Interpolant automaton has 5 states. [2018-07-23 13:40:33,815 INFO L276 IsEmpty]: Start isEmpty. Operand 7 states and 7 transitions. [2018-07-23 13:40:33,816 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 7 [2018-07-23 13:40:33,816 INFO L349 BasicCegarLoop]: Found error trace [2018-07-23 13:40:33,816 INFO L357 BasicCegarLoop]: trace histogram [3, 1, 1, 1] [2018-07-23 13:40:33,816 INFO L414 AbstractCegarLoop]: === Iteration 4 === [ULTIMATE.startErr0AssertViolationASSERT]=== [2018-07-23 13:40:33,816 INFO L82 PathProgramCache]: Analyzing trace with hash 892275272, now seen corresponding path program 3 times [2018-07-23 13:40:33,817 INFO L69 tionRefinementEngine]: Using refinement strategy FixedRefinementStrategy [2018-07-23 13:40:33,839 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-07-23 13:40:33,871 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 13:40:33,872 INFO L309 seRefinementStrategy]: Constructing automaton from 0 perfect and 1 imperfect interpolant sequences. [2018-07-23 13:40:33,872 INFO L324 seRefinementStrategy]: Number of different interpolants: perfect sequences [] imperfect sequences [5] total 5 [2018-07-23 13:40:33,873 INFO L142 lantAutomatonBuilder]: Constructing canonical interpolant automaton, with selfloop in false state [2018-07-23 13:40:33,873 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 13:40:33,873 INFO L185 omatonBuilderFactory]: Interpolants [106#true, 107#false, 108#(<= ULTIMATE.start_main_~k~5 0), 109#(<= ULTIMATE.start_main_~k~5 1), 110#(<= ULTIMATE.start_main_~k~5 2), 111#(<= ULTIMATE.start_main_~k~5 3)] [2018-07-23 13:40:33,873 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 13:40:33,874 INFO L450 AbstractCegarLoop]: Interpolant automaton has 6 states [2018-07-23 13:40:33,874 INFO L132 InterpolantAutomaton]: Constructing interpolant automaton starting with 6 interpolants. [2018-07-23 13:40:33,874 INFO L133 InterpolantAutomaton]: CoverageRelationStatistics Valid=15, Invalid=15, Unknown=0, NotChecked=0, Total=30 [2018-07-23 13:40:33,875 INFO L87 Difference]: Start difference. First operand 7 states and 7 transitions. Second operand 6 states. [2018-07-23 13:40:33,894 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2018-07-23 13:40:33,894 INFO L93 Difference]: Finished difference Result 10 states and 10 transitions. [2018-07-23 13:40:33,895 INFO L142 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 6 states. [2018-07-23 13:40:33,895 INFO L78 Accepts]: Start accepts. Automaton has 6 states. Word has length 6 [2018-07-23 13:40:33,895 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2018-07-23 13:40:33,896 INFO L225 Difference]: With dead ends: 10 [2018-07-23 13:40:33,896 INFO L226 Difference]: Without dead ends: 8 [2018-07-23 13:40:33,896 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 13:40:33,897 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 8 states. [2018-07-23 13:40:33,899 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 8 to 8. [2018-07-23 13:40:33,899 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 8 states. [2018-07-23 13:40:33,899 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 8 states to 8 states and 8 transitions. [2018-07-23 13:40:33,900 INFO L78 Accepts]: Start accepts. Automaton has 8 states and 8 transitions. Word has length 6 [2018-07-23 13:40:33,900 INFO L84 Accepts]: Finished accepts. word is rejected. [2018-07-23 13:40:33,900 INFO L471 AbstractCegarLoop]: Abstraction has 8 states and 8 transitions. [2018-07-23 13:40:33,900 INFO L472 AbstractCegarLoop]: Interpolant automaton has 6 states. [2018-07-23 13:40:33,900 INFO L276 IsEmpty]: Start isEmpty. Operand 8 states and 8 transitions. [2018-07-23 13:40:33,901 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 8 [2018-07-23 13:40:33,901 INFO L349 BasicCegarLoop]: Found error trace [2018-07-23 13:40:33,901 INFO L357 BasicCegarLoop]: trace histogram [4, 1, 1, 1] [2018-07-23 13:40:33,901 INFO L414 AbstractCegarLoop]: === Iteration 5 === [ULTIMATE.startErr0AssertViolationASSERT]=== [2018-07-23 13:40:33,902 INFO L82 PathProgramCache]: Analyzing trace with hash 1890727681, now seen corresponding path program 4 times [2018-07-23 13:40:33,902 INFO L69 tionRefinementEngine]: Using refinement strategy FixedRefinementStrategy [2018-07-23 13:40:33,912 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-07-23 13:40:33,965 INFO L134 CoverageAnalysis]: Checked inductivity of 10 backedges. 0 proven. 10 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2018-07-23 13:40:33,966 INFO L309 seRefinementStrategy]: Constructing automaton from 0 perfect and 1 imperfect interpolant sequences. [2018-07-23 13:40:33,966 INFO L324 seRefinementStrategy]: Number of different interpolants: perfect sequences [] imperfect sequences [6] total 6 [2018-07-23 13:40:33,966 INFO L142 lantAutomatonBuilder]: Constructing canonical interpolant automaton, with selfloop in false state [2018-07-23 13:40:33,967 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2018-07-23 13:40:33,967 INFO L185 omatonBuilderFactory]: Interpolants [148#true, 149#false, 150#(<= ULTIMATE.start_main_~k~5 0), 151#(<= ULTIMATE.start_main_~k~5 1), 152#(<= ULTIMATE.start_main_~k~5 2), 153#(<= ULTIMATE.start_main_~k~5 3), 154#(<= ULTIMATE.start_main_~k~5 4)] [2018-07-23 13:40:33,967 INFO L134 CoverageAnalysis]: Checked inductivity of 10 backedges. 0 proven. 10 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2018-07-23 13:40:33,967 INFO L450 AbstractCegarLoop]: Interpolant automaton has 7 states [2018-07-23 13:40:33,968 INFO L132 InterpolantAutomaton]: Constructing interpolant automaton starting with 7 interpolants. [2018-07-23 13:40:33,968 INFO L133 InterpolantAutomaton]: CoverageRelationStatistics Valid=21, Invalid=21, Unknown=0, NotChecked=0, Total=42 [2018-07-23 13:40:33,971 INFO L87 Difference]: Start difference. First operand 8 states and 8 transitions. Second operand 7 states. [2018-07-23 13:40:34,008 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2018-07-23 13:40:34,009 INFO L93 Difference]: Finished difference Result 11 states and 11 transitions. [2018-07-23 13:40:34,009 INFO L142 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 7 states. [2018-07-23 13:40:34,013 INFO L78 Accepts]: Start accepts. Automaton has 7 states. Word has length 7 [2018-07-23 13:40:34,014 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2018-07-23 13:40:34,014 INFO L225 Difference]: With dead ends: 11 [2018-07-23 13:40:34,014 INFO L226 Difference]: Without dead ends: 9 [2018-07-23 13:40:34,015 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 13:40:34,015 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 9 states. [2018-07-23 13:40:34,017 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 9 to 9. [2018-07-23 13:40:34,017 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 9 states. [2018-07-23 13:40:34,018 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 9 states to 9 states and 9 transitions. [2018-07-23 13:40:34,018 INFO L78 Accepts]: Start accepts. Automaton has 9 states and 9 transitions. Word has length 7 [2018-07-23 13:40:34,018 INFO L84 Accepts]: Finished accepts. word is rejected. [2018-07-23 13:40:34,018 INFO L471 AbstractCegarLoop]: Abstraction has 9 states and 9 transitions. [2018-07-23 13:40:34,019 INFO L472 AbstractCegarLoop]: Interpolant automaton has 7 states. [2018-07-23 13:40:34,019 INFO L276 IsEmpty]: Start isEmpty. Operand 9 states and 9 transitions. [2018-07-23 13:40:34,019 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 9 [2018-07-23 13:40:34,019 INFO L349 BasicCegarLoop]: Found error trace [2018-07-23 13:40:34,019 INFO L357 BasicCegarLoop]: trace histogram [5, 1, 1, 1] [2018-07-23 13:40:34,020 INFO L414 AbstractCegarLoop]: === Iteration 6 === [ULTIMATE.startErr0AssertViolationASSERT]=== [2018-07-23 13:40:34,020 INFO L82 PathProgramCache]: Analyzing trace with hash -1516986008, now seen corresponding path program 5 times [2018-07-23 13:40:34,020 INFO L69 tionRefinementEngine]: Using refinement strategy FixedRefinementStrategy [2018-07-23 13:40:34,031 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-07-23 13:40:34,109 INFO L134 CoverageAnalysis]: Checked inductivity of 15 backedges. 0 proven. 15 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2018-07-23 13:40:34,109 INFO L309 seRefinementStrategy]: Constructing automaton from 0 perfect and 1 imperfect interpolant sequences. [2018-07-23 13:40:34,110 INFO L324 seRefinementStrategy]: Number of different interpolants: perfect sequences [] imperfect sequences [7] total 7 [2018-07-23 13:40:34,110 INFO L142 lantAutomatonBuilder]: Constructing canonical interpolant automaton, with selfloop in false state [2018-07-23 13:40:34,110 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2018-07-23 13:40:34,114 INFO L185 omatonBuilderFactory]: Interpolants [195#true, 196#false, 197#(<= ULTIMATE.start_main_~k~5 0), 198#(<= ULTIMATE.start_main_~k~5 1), 199#(<= ULTIMATE.start_main_~k~5 2), 200#(<= ULTIMATE.start_main_~k~5 3), 201#(<= ULTIMATE.start_main_~k~5 4), 202#(<= ULTIMATE.start_main_~k~5 5)] [2018-07-23 13:40:34,114 INFO L134 CoverageAnalysis]: Checked inductivity of 15 backedges. 0 proven. 15 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2018-07-23 13:40:34,114 INFO L450 AbstractCegarLoop]: Interpolant automaton has 8 states [2018-07-23 13:40:34,114 INFO L132 InterpolantAutomaton]: Constructing interpolant automaton starting with 8 interpolants. [2018-07-23 13:40:34,115 INFO L133 InterpolantAutomaton]: CoverageRelationStatistics Valid=28, Invalid=28, Unknown=0, NotChecked=0, Total=56 [2018-07-23 13:40:34,115 INFO L87 Difference]: Start difference. First operand 9 states and 9 transitions. Second operand 8 states. [2018-07-23 13:40:34,150 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2018-07-23 13:40:34,150 INFO L93 Difference]: Finished difference Result 12 states and 12 transitions. [2018-07-23 13:40:34,151 INFO L142 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 8 states. [2018-07-23 13:40:34,151 INFO L78 Accepts]: Start accepts. Automaton has 8 states. Word has length 8 [2018-07-23 13:40:34,151 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2018-07-23 13:40:34,152 INFO L225 Difference]: With dead ends: 12 [2018-07-23 13:40:34,152 INFO L226 Difference]: Without dead ends: 10 [2018-07-23 13:40:34,152 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 13:40:34,153 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 10 states. [2018-07-23 13:40:34,159 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 10 to 10. [2018-07-23 13:40:34,159 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 10 states. [2018-07-23 13:40:34,160 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 10 states to 10 states and 10 transitions. [2018-07-23 13:40:34,160 INFO L78 Accepts]: Start accepts. Automaton has 10 states and 10 transitions. Word has length 8 [2018-07-23 13:40:34,160 INFO L84 Accepts]: Finished accepts. word is rejected. [2018-07-23 13:40:34,160 INFO L471 AbstractCegarLoop]: Abstraction has 10 states and 10 transitions. [2018-07-23 13:40:34,161 INFO L472 AbstractCegarLoop]: Interpolant automaton has 8 states. [2018-07-23 13:40:34,161 INFO L276 IsEmpty]: Start isEmpty. Operand 10 states and 10 transitions. [2018-07-23 13:40:34,161 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 10 [2018-07-23 13:40:34,161 INFO L349 BasicCegarLoop]: Found error trace [2018-07-23 13:40:34,163 INFO L357 BasicCegarLoop]: trace histogram [6, 1, 1, 1] [2018-07-23 13:40:34,163 INFO L414 AbstractCegarLoop]: === Iteration 7 === [ULTIMATE.startErr0AssertViolationASSERT]=== [2018-07-23 13:40:34,164 INFO L82 PathProgramCache]: Analyzing trace with hash 218072033, now seen corresponding path program 6 times [2018-07-23 13:40:34,164 INFO L69 tionRefinementEngine]: Using refinement strategy FixedRefinementStrategy [2018-07-23 13:40:34,184 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-07-23 13:40:34,236 INFO L134 CoverageAnalysis]: Checked inductivity of 21 backedges. 0 proven. 21 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2018-07-23 13:40:34,237 INFO L309 seRefinementStrategy]: Constructing automaton from 0 perfect and 1 imperfect interpolant sequences. [2018-07-23 13:40:34,237 INFO L324 seRefinementStrategy]: Number of different interpolants: perfect sequences [] imperfect sequences [8] total 8 [2018-07-23 13:40:34,237 INFO L142 lantAutomatonBuilder]: Constructing canonical interpolant automaton, with selfloop in false state [2018-07-23 13:40:34,238 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2018-07-23 13:40:34,238 INFO L185 omatonBuilderFactory]: Interpolants [247#true, 248#false, 249#(<= ULTIMATE.start_main_~k~5 0), 250#(<= ULTIMATE.start_main_~k~5 1), 251#(<= ULTIMATE.start_main_~k~5 2), 252#(<= ULTIMATE.start_main_~k~5 3), 253#(<= ULTIMATE.start_main_~k~5 4), 254#(<= ULTIMATE.start_main_~k~5 5), 255#(<= ULTIMATE.start_main_~k~5 6)] [2018-07-23 13:40:34,238 INFO L134 CoverageAnalysis]: Checked inductivity of 21 backedges. 0 proven. 21 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2018-07-23 13:40:34,239 INFO L450 AbstractCegarLoop]: Interpolant automaton has 9 states [2018-07-23 13:40:34,239 INFO L132 InterpolantAutomaton]: Constructing interpolant automaton starting with 9 interpolants. [2018-07-23 13:40:34,239 INFO L133 InterpolantAutomaton]: CoverageRelationStatistics Valid=36, Invalid=36, Unknown=0, NotChecked=0, Total=72 [2018-07-23 13:40:34,240 INFO L87 Difference]: Start difference. First operand 10 states and 10 transitions. Second operand 9 states. [2018-07-23 13:40:34,256 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2018-07-23 13:40:34,256 INFO L93 Difference]: Finished difference Result 13 states and 13 transitions. [2018-07-23 13:40:34,257 INFO L142 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 9 states. [2018-07-23 13:40:34,257 INFO L78 Accepts]: Start accepts. Automaton has 9 states. Word has length 9 [2018-07-23 13:40:34,257 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2018-07-23 13:40:34,258 INFO L225 Difference]: With dead ends: 13 [2018-07-23 13:40:34,258 INFO L226 Difference]: Without dead ends: 11 [2018-07-23 13:40:34,259 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 13:40:34,259 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 11 states. [2018-07-23 13:40:34,261 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 11 to 11. [2018-07-23 13:40:34,262 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 11 states. [2018-07-23 13:40:34,262 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 11 states to 11 states and 11 transitions. [2018-07-23 13:40:34,263 INFO L78 Accepts]: Start accepts. Automaton has 11 states and 11 transitions. Word has length 9 [2018-07-23 13:40:34,263 INFO L84 Accepts]: Finished accepts. word is rejected. [2018-07-23 13:40:34,263 INFO L471 AbstractCegarLoop]: Abstraction has 11 states and 11 transitions. [2018-07-23 13:40:34,263 INFO L472 AbstractCegarLoop]: Interpolant automaton has 9 states. [2018-07-23 13:40:34,263 INFO L276 IsEmpty]: Start isEmpty. Operand 11 states and 11 transitions. [2018-07-23 13:40:34,264 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 11 [2018-07-23 13:40:34,264 INFO L349 BasicCegarLoop]: Found error trace [2018-07-23 13:40:34,264 INFO L357 BasicCegarLoop]: trace histogram [7, 1, 1, 1] [2018-07-23 13:40:34,264 INFO L414 AbstractCegarLoop]: === Iteration 8 === [ULTIMATE.startErr0AssertViolationASSERT]=== [2018-07-23 13:40:34,265 INFO L82 PathProgramCache]: Analyzing trace with hash -1829703544, now seen corresponding path program 7 times [2018-07-23 13:40:34,265 INFO L69 tionRefinementEngine]: Using refinement strategy FixedRefinementStrategy [2018-07-23 13:40:34,272 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-07-23 13:40:34,309 INFO L134 CoverageAnalysis]: Checked inductivity of 28 backedges. 0 proven. 28 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2018-07-23 13:40:34,310 INFO L309 seRefinementStrategy]: Constructing automaton from 0 perfect and 1 imperfect interpolant sequences. [2018-07-23 13:40:34,310 INFO L324 seRefinementStrategy]: Number of different interpolants: perfect sequences [] imperfect sequences [9] total 9 [2018-07-23 13:40:34,310 INFO L142 lantAutomatonBuilder]: Constructing canonical interpolant automaton, with selfloop in false state [2018-07-23 13:40:34,310 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2018-07-23 13:40:34,311 INFO L185 omatonBuilderFactory]: Interpolants [304#true, 305#false, 306#(<= ULTIMATE.start_main_~k~5 0), 307#(<= ULTIMATE.start_main_~k~5 1), 308#(<= ULTIMATE.start_main_~k~5 2), 309#(<= ULTIMATE.start_main_~k~5 3), 310#(<= ULTIMATE.start_main_~k~5 4), 311#(<= ULTIMATE.start_main_~k~5 5), 312#(<= ULTIMATE.start_main_~k~5 6), 313#(<= ULTIMATE.start_main_~k~5 7)] [2018-07-23 13:40:34,311 INFO L134 CoverageAnalysis]: Checked inductivity of 28 backedges. 0 proven. 28 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2018-07-23 13:40:34,311 INFO L450 AbstractCegarLoop]: Interpolant automaton has 10 states [2018-07-23 13:40:34,312 INFO L132 InterpolantAutomaton]: Constructing interpolant automaton starting with 10 interpolants. [2018-07-23 13:40:34,312 INFO L133 InterpolantAutomaton]: CoverageRelationStatistics Valid=45, Invalid=45, Unknown=0, NotChecked=0, Total=90 [2018-07-23 13:40:34,313 INFO L87 Difference]: Start difference. First operand 11 states and 11 transitions. Second operand 10 states. [2018-07-23 13:40:34,330 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2018-07-23 13:40:34,330 INFO L93 Difference]: Finished difference Result 14 states and 14 transitions. [2018-07-23 13:40:34,330 INFO L142 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 10 states. [2018-07-23 13:40:34,330 INFO L78 Accepts]: Start accepts. Automaton has 10 states. Word has length 10 [2018-07-23 13:40:34,331 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2018-07-23 13:40:34,331 INFO L225 Difference]: With dead ends: 14 [2018-07-23 13:40:34,331 INFO L226 Difference]: Without dead ends: 12 [2018-07-23 13:40:34,332 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 13:40:34,332 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 12 states. [2018-07-23 13:40:34,335 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 12 to 12. [2018-07-23 13:40:34,335 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 12 states. [2018-07-23 13:40:34,336 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 12 states to 12 states and 12 transitions. [2018-07-23 13:40:34,336 INFO L78 Accepts]: Start accepts. Automaton has 12 states and 12 transitions. Word has length 10 [2018-07-23 13:40:34,336 INFO L84 Accepts]: Finished accepts. word is rejected. [2018-07-23 13:40:34,336 INFO L471 AbstractCegarLoop]: Abstraction has 12 states and 12 transitions. [2018-07-23 13:40:34,336 INFO L472 AbstractCegarLoop]: Interpolant automaton has 10 states. [2018-07-23 13:40:34,337 INFO L276 IsEmpty]: Start isEmpty. Operand 12 states and 12 transitions. [2018-07-23 13:40:34,337 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 12 [2018-07-23 13:40:34,337 INFO L349 BasicCegarLoop]: Found error trace [2018-07-23 13:40:34,337 INFO L357 BasicCegarLoop]: trace histogram [8, 1, 1, 1] [2018-07-23 13:40:34,337 INFO L414 AbstractCegarLoop]: === Iteration 9 === [ULTIMATE.startErr0AssertViolationASSERT]=== [2018-07-23 13:40:34,338 INFO L82 PathProgramCache]: Analyzing trace with hash -886236991, now seen corresponding path program 8 times [2018-07-23 13:40:34,338 INFO L69 tionRefinementEngine]: Using refinement strategy FixedRefinementStrategy [2018-07-23 13:40:34,346 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-07-23 13:40:34,417 INFO L134 CoverageAnalysis]: Checked inductivity of 36 backedges. 0 proven. 36 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2018-07-23 13:40:34,418 INFO L309 seRefinementStrategy]: Constructing automaton from 0 perfect and 1 imperfect interpolant sequences. [2018-07-23 13:40:34,418 INFO L324 seRefinementStrategy]: Number of different interpolants: perfect sequences [] imperfect sequences [10] total 10 [2018-07-23 13:40:34,421 INFO L142 lantAutomatonBuilder]: Constructing canonical interpolant automaton, with selfloop in false state [2018-07-23 13:40:34,421 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2018-07-23 13:40:34,422 INFO L185 omatonBuilderFactory]: Interpolants [368#(<= ULTIMATE.start_main_~k~5 0), 369#(<= ULTIMATE.start_main_~k~5 1), 370#(<= ULTIMATE.start_main_~k~5 2), 371#(<= ULTIMATE.start_main_~k~5 3), 372#(<= ULTIMATE.start_main_~k~5 4), 373#(<= ULTIMATE.start_main_~k~5 5), 374#(<= ULTIMATE.start_main_~k~5 6), 375#(<= ULTIMATE.start_main_~k~5 7), 376#(<= ULTIMATE.start_main_~k~5 8), 366#true, 367#false] [2018-07-23 13:40:34,422 INFO L134 CoverageAnalysis]: Checked inductivity of 36 backedges. 0 proven. 36 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2018-07-23 13:40:34,424 INFO L450 AbstractCegarLoop]: Interpolant automaton has 11 states [2018-07-23 13:40:34,425 INFO L132 InterpolantAutomaton]: Constructing interpolant automaton starting with 11 interpolants. [2018-07-23 13:40:34,425 INFO L133 InterpolantAutomaton]: CoverageRelationStatistics Valid=55, Invalid=55, Unknown=0, NotChecked=0, Total=110 [2018-07-23 13:40:34,427 INFO L87 Difference]: Start difference. First operand 12 states and 12 transitions. Second operand 11 states. [2018-07-23 13:40:34,458 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2018-07-23 13:40:34,459 INFO L93 Difference]: Finished difference Result 15 states and 15 transitions. [2018-07-23 13:40:34,459 INFO L142 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 11 states. [2018-07-23 13:40:34,459 INFO L78 Accepts]: Start accepts. Automaton has 11 states. Word has length 11 [2018-07-23 13:40:34,459 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2018-07-23 13:40:34,460 INFO L225 Difference]: With dead ends: 15 [2018-07-23 13:40:34,460 INFO L226 Difference]: Without dead ends: 13 [2018-07-23 13:40:34,463 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 13:40:34,463 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 13 states. [2018-07-23 13:40:34,466 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 13 to 13. [2018-07-23 13:40:34,466 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 13 states. [2018-07-23 13:40:34,467 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 13 states to 13 states and 13 transitions. [2018-07-23 13:40:34,468 INFO L78 Accepts]: Start accepts. Automaton has 13 states and 13 transitions. Word has length 11 [2018-07-23 13:40:34,468 INFO L84 Accepts]: Finished accepts. word is rejected. [2018-07-23 13:40:34,468 INFO L471 AbstractCegarLoop]: Abstraction has 13 states and 13 transitions. [2018-07-23 13:40:34,468 INFO L472 AbstractCegarLoop]: Interpolant automaton has 11 states. [2018-07-23 13:40:34,468 INFO L276 IsEmpty]: Start isEmpty. Operand 13 states and 13 transitions. [2018-07-23 13:40:34,469 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 13 [2018-07-23 13:40:34,469 INFO L349 BasicCegarLoop]: Found error trace [2018-07-23 13:40:34,469 INFO L357 BasicCegarLoop]: trace histogram [9, 1, 1, 1] [2018-07-23 13:40:34,469 INFO L414 AbstractCegarLoop]: === Iteration 10 === [ULTIMATE.startErr0AssertViolationASSERT]=== [2018-07-23 13:40:34,470 INFO L82 PathProgramCache]: Analyzing trace with hash -1703544920, now seen corresponding path program 9 times [2018-07-23 13:40:34,470 INFO L69 tionRefinementEngine]: Using refinement strategy FixedRefinementStrategy [2018-07-23 13:40:34,478 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-07-23 13:40:34,515 INFO L134 CoverageAnalysis]: Checked inductivity of 45 backedges. 0 proven. 45 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2018-07-23 13:40:34,515 INFO L309 seRefinementStrategy]: Constructing automaton from 0 perfect and 1 imperfect interpolant sequences. [2018-07-23 13:40:34,515 INFO L324 seRefinementStrategy]: Number of different interpolants: perfect sequences [] imperfect sequences [11] total 11 [2018-07-23 13:40:34,515 INFO L142 lantAutomatonBuilder]: Constructing canonical interpolant automaton, with selfloop in false state [2018-07-23 13:40:34,516 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2018-07-23 13:40:34,516 INFO L185 omatonBuilderFactory]: Interpolants [433#true, 434#false, 435#(<= ULTIMATE.start_main_~k~5 0), 436#(<= ULTIMATE.start_main_~k~5 1), 437#(<= ULTIMATE.start_main_~k~5 2), 438#(<= ULTIMATE.start_main_~k~5 3), 439#(<= ULTIMATE.start_main_~k~5 4), 440#(<= ULTIMATE.start_main_~k~5 5), 441#(<= ULTIMATE.start_main_~k~5 6), 442#(<= ULTIMATE.start_main_~k~5 7), 443#(<= ULTIMATE.start_main_~k~5 8), 444#(<= ULTIMATE.start_main_~k~5 9)] [2018-07-23 13:40:34,516 INFO L134 CoverageAnalysis]: Checked inductivity of 45 backedges. 0 proven. 45 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2018-07-23 13:40:34,517 INFO L450 AbstractCegarLoop]: Interpolant automaton has 12 states [2018-07-23 13:40:34,517 INFO L132 InterpolantAutomaton]: Constructing interpolant automaton starting with 12 interpolants. [2018-07-23 13:40:34,517 INFO L133 InterpolantAutomaton]: CoverageRelationStatistics Valid=66, Invalid=66, Unknown=0, NotChecked=0, Total=132 [2018-07-23 13:40:34,518 INFO L87 Difference]: Start difference. First operand 13 states and 13 transitions. Second operand 12 states. [2018-07-23 13:40:34,534 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2018-07-23 13:40:34,534 INFO L93 Difference]: Finished difference Result 16 states and 16 transitions. [2018-07-23 13:40:34,534 INFO L142 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 12 states. [2018-07-23 13:40:34,535 INFO L78 Accepts]: Start accepts. Automaton has 12 states. Word has length 12 [2018-07-23 13:40:34,535 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2018-07-23 13:40:34,535 INFO L225 Difference]: With dead ends: 16 [2018-07-23 13:40:34,536 INFO L226 Difference]: Without dead ends: 14 [2018-07-23 13:40:34,536 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 13:40:34,537 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 14 states. [2018-07-23 13:40:34,539 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 14 to 14. [2018-07-23 13:40:34,540 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 14 states. [2018-07-23 13:40:34,540 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 14 states to 14 states and 14 transitions. [2018-07-23 13:40:34,540 INFO L78 Accepts]: Start accepts. Automaton has 14 states and 14 transitions. Word has length 12 [2018-07-23 13:40:34,541 INFO L84 Accepts]: Finished accepts. word is rejected. [2018-07-23 13:40:34,541 INFO L471 AbstractCegarLoop]: Abstraction has 14 states and 14 transitions. [2018-07-23 13:40:34,541 INFO L472 AbstractCegarLoop]: Interpolant automaton has 12 states. [2018-07-23 13:40:34,541 INFO L276 IsEmpty]: Start isEmpty. Operand 14 states and 14 transitions. [2018-07-23 13:40:34,542 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 14 [2018-07-23 13:40:34,542 INFO L349 BasicCegarLoop]: Found error trace [2018-07-23 13:40:34,542 INFO L357 BasicCegarLoop]: trace histogram [10, 1, 1, 1] [2018-07-23 13:40:34,542 INFO L414 AbstractCegarLoop]: === Iteration 11 === [ULTIMATE.startErr0AssertViolationASSERT]=== [2018-07-23 13:40:34,542 INFO L82 PathProgramCache]: Analyzing trace with hash -1270286943, now seen corresponding path program 10 times [2018-07-23 13:40:34,543 INFO L69 tionRefinementEngine]: Using refinement strategy FixedRefinementStrategy [2018-07-23 13:40:34,551 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-07-23 13:40:34,590 INFO L134 CoverageAnalysis]: Checked inductivity of 55 backedges. 0 proven. 55 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2018-07-23 13:40:34,591 INFO L309 seRefinementStrategy]: Constructing automaton from 0 perfect and 1 imperfect interpolant sequences. [2018-07-23 13:40:34,591 INFO L324 seRefinementStrategy]: Number of different interpolants: perfect sequences [] imperfect sequences [12] total 12 [2018-07-23 13:40:34,591 INFO L142 lantAutomatonBuilder]: Constructing canonical interpolant automaton, with selfloop in false state [2018-07-23 13:40:34,592 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2018-07-23 13:40:34,592 INFO L185 omatonBuilderFactory]: Interpolants [512#(<= ULTIMATE.start_main_~k~5 5), 513#(<= ULTIMATE.start_main_~k~5 6), 514#(<= ULTIMATE.start_main_~k~5 7), 515#(<= ULTIMATE.start_main_~k~5 8), 516#(<= ULTIMATE.start_main_~k~5 9), 517#(<= ULTIMATE.start_main_~k~5 10), 505#true, 506#false, 507#(<= ULTIMATE.start_main_~k~5 0), 508#(<= ULTIMATE.start_main_~k~5 1), 509#(<= ULTIMATE.start_main_~k~5 2), 510#(<= ULTIMATE.start_main_~k~5 3), 511#(<= ULTIMATE.start_main_~k~5 4)] [2018-07-23 13:40:34,592 INFO L134 CoverageAnalysis]: Checked inductivity of 55 backedges. 0 proven. 55 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2018-07-23 13:40:34,593 INFO L450 AbstractCegarLoop]: Interpolant automaton has 13 states [2018-07-23 13:40:34,593 INFO L132 InterpolantAutomaton]: Constructing interpolant automaton starting with 13 interpolants. [2018-07-23 13:40:34,593 INFO L133 InterpolantAutomaton]: CoverageRelationStatistics Valid=78, Invalid=78, Unknown=0, NotChecked=0, Total=156 [2018-07-23 13:40:34,594 INFO L87 Difference]: Start difference. First operand 14 states and 14 transitions. Second operand 13 states. [2018-07-23 13:40:34,609 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2018-07-23 13:40:34,609 INFO L93 Difference]: Finished difference Result 17 states and 17 transitions. [2018-07-23 13:40:34,609 INFO L142 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 13 states. [2018-07-23 13:40:34,610 INFO L78 Accepts]: Start accepts. Automaton has 13 states. Word has length 13 [2018-07-23 13:40:34,610 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2018-07-23 13:40:34,611 INFO L225 Difference]: With dead ends: 17 [2018-07-23 13:40:34,611 INFO L226 Difference]: Without dead ends: 15 [2018-07-23 13:40:34,614 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 13:40:34,614 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 15 states. [2018-07-23 13:40:34,617 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 15 to 15. [2018-07-23 13:40:34,617 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 15 states. [2018-07-23 13:40:34,618 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 15 states to 15 states and 15 transitions. [2018-07-23 13:40:34,618 INFO L78 Accepts]: Start accepts. Automaton has 15 states and 15 transitions. Word has length 13 [2018-07-23 13:40:34,618 INFO L84 Accepts]: Finished accepts. word is rejected. [2018-07-23 13:40:34,619 INFO L471 AbstractCegarLoop]: Abstraction has 15 states and 15 transitions. [2018-07-23 13:40:34,619 INFO L472 AbstractCegarLoop]: Interpolant automaton has 13 states. [2018-07-23 13:40:34,619 INFO L276 IsEmpty]: Start isEmpty. Operand 15 states and 15 transitions. [2018-07-23 13:40:34,622 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 15 [2018-07-23 13:40:34,623 INFO L349 BasicCegarLoop]: Found error trace [2018-07-23 13:40:34,623 INFO L357 BasicCegarLoop]: trace histogram [11, 1, 1, 1] [2018-07-23 13:40:34,626 INFO L414 AbstractCegarLoop]: === Iteration 12 === [ULTIMATE.startErr0AssertViolationASSERT]=== [2018-07-23 13:40:34,627 INFO L82 PathProgramCache]: Analyzing trace with hash -724191544, now seen corresponding path program 11 times [2018-07-23 13:40:34,627 INFO L69 tionRefinementEngine]: Using refinement strategy FixedRefinementStrategy [2018-07-23 13:40:34,639 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-07-23 13:40:34,706 INFO L134 CoverageAnalysis]: Checked inductivity of 66 backedges. 0 proven. 66 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2018-07-23 13:40:34,707 INFO L309 seRefinementStrategy]: Constructing automaton from 0 perfect and 1 imperfect interpolant sequences. [2018-07-23 13:40:34,707 INFO L324 seRefinementStrategy]: Number of different interpolants: perfect sequences [] imperfect sequences [13] total 13 [2018-07-23 13:40:34,707 INFO L142 lantAutomatonBuilder]: Constructing canonical interpolant automaton, with selfloop in false state [2018-07-23 13:40:34,707 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2018-07-23 13:40:34,708 INFO L185 omatonBuilderFactory]: Interpolants [582#true, 583#false, 584#(<= ULTIMATE.start_main_~k~5 0), 585#(<= ULTIMATE.start_main_~k~5 1), 586#(<= ULTIMATE.start_main_~k~5 2), 587#(<= ULTIMATE.start_main_~k~5 3), 588#(<= ULTIMATE.start_main_~k~5 4), 589#(<= ULTIMATE.start_main_~k~5 5), 590#(<= ULTIMATE.start_main_~k~5 6), 591#(<= ULTIMATE.start_main_~k~5 7), 592#(<= ULTIMATE.start_main_~k~5 8), 593#(<= ULTIMATE.start_main_~k~5 9), 594#(<= ULTIMATE.start_main_~k~5 10), 595#(<= ULTIMATE.start_main_~k~5 11)] [2018-07-23 13:40:34,708 INFO L134 CoverageAnalysis]: Checked inductivity of 66 backedges. 0 proven. 66 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2018-07-23 13:40:34,709 INFO L450 AbstractCegarLoop]: Interpolant automaton has 14 states [2018-07-23 13:40:34,709 INFO L132 InterpolantAutomaton]: Constructing interpolant automaton starting with 14 interpolants. [2018-07-23 13:40:34,709 INFO L133 InterpolantAutomaton]: CoverageRelationStatistics Valid=91, Invalid=91, Unknown=0, NotChecked=0, Total=182 [2018-07-23 13:40:34,710 INFO L87 Difference]: Start difference. First operand 15 states and 15 transitions. Second operand 14 states. [2018-07-23 13:40:34,725 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2018-07-23 13:40:34,725 INFO L93 Difference]: Finished difference Result 18 states and 18 transitions. [2018-07-23 13:40:34,726 INFO L142 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 14 states. [2018-07-23 13:40:34,726 INFO L78 Accepts]: Start accepts. Automaton has 14 states. Word has length 14 [2018-07-23 13:40:34,726 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2018-07-23 13:40:34,726 INFO L225 Difference]: With dead ends: 18 [2018-07-23 13:40:34,727 INFO L226 Difference]: Without dead ends: 16 [2018-07-23 13:40:34,727 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 13:40:34,728 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 16 states. [2018-07-23 13:40:34,730 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 16 to 16. [2018-07-23 13:40:34,730 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 16 states. [2018-07-23 13:40:34,731 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 16 states to 16 states and 16 transitions. [2018-07-23 13:40:34,731 INFO L78 Accepts]: Start accepts. Automaton has 16 states and 16 transitions. Word has length 14 [2018-07-23 13:40:34,731 INFO L84 Accepts]: Finished accepts. word is rejected. [2018-07-23 13:40:34,732 INFO L471 AbstractCegarLoop]: Abstraction has 16 states and 16 transitions. [2018-07-23 13:40:34,732 INFO L472 AbstractCegarLoop]: Interpolant automaton has 14 states. [2018-07-23 13:40:34,732 INFO L276 IsEmpty]: Start isEmpty. Operand 16 states and 16 transitions. [2018-07-23 13:40:34,732 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 16 [2018-07-23 13:40:34,733 INFO L349 BasicCegarLoop]: Found error trace [2018-07-23 13:40:34,733 INFO L357 BasicCegarLoop]: trace histogram [12, 1, 1, 1] [2018-07-23 13:40:34,733 INFO L414 AbstractCegarLoop]: === Iteration 13 === [ULTIMATE.startErr0AssertViolationASSERT]=== [2018-07-23 13:40:34,733 INFO L82 PathProgramCache]: Analyzing trace with hash -975103359, now seen corresponding path program 12 times [2018-07-23 13:40:34,734 INFO L69 tionRefinementEngine]: Using refinement strategy FixedRefinementStrategy [2018-07-23 13:40:34,745 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-07-23 13:40:34,790 INFO L134 CoverageAnalysis]: Checked inductivity of 78 backedges. 0 proven. 78 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2018-07-23 13:40:34,792 INFO L309 seRefinementStrategy]: Constructing automaton from 0 perfect and 1 imperfect interpolant sequences. [2018-07-23 13:40:34,792 INFO L324 seRefinementStrategy]: Number of different interpolants: perfect sequences [] imperfect sequences [14] total 14 [2018-07-23 13:40:34,792 INFO L142 lantAutomatonBuilder]: Constructing canonical interpolant automaton, with selfloop in false state [2018-07-23 13:40:34,793 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2018-07-23 13:40:34,793 INFO L185 omatonBuilderFactory]: Interpolants [672#(<= ULTIMATE.start_main_~k~5 6), 673#(<= ULTIMATE.start_main_~k~5 7), 674#(<= ULTIMATE.start_main_~k~5 8), 675#(<= ULTIMATE.start_main_~k~5 9), 676#(<= ULTIMATE.start_main_~k~5 10), 677#(<= ULTIMATE.start_main_~k~5 11), 678#(<= ULTIMATE.start_main_~k~5 12), 664#true, 665#false, 666#(<= ULTIMATE.start_main_~k~5 0), 667#(<= ULTIMATE.start_main_~k~5 1), 668#(<= ULTIMATE.start_main_~k~5 2), 669#(<= ULTIMATE.start_main_~k~5 3), 670#(<= ULTIMATE.start_main_~k~5 4), 671#(<= ULTIMATE.start_main_~k~5 5)] [2018-07-23 13:40:34,793 INFO L134 CoverageAnalysis]: Checked inductivity of 78 backedges. 0 proven. 78 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2018-07-23 13:40:34,794 INFO L450 AbstractCegarLoop]: Interpolant automaton has 15 states [2018-07-23 13:40:34,794 INFO L132 InterpolantAutomaton]: Constructing interpolant automaton starting with 15 interpolants. [2018-07-23 13:40:34,794 INFO L133 InterpolantAutomaton]: CoverageRelationStatistics Valid=105, Invalid=105, Unknown=0, NotChecked=0, Total=210 [2018-07-23 13:40:34,795 INFO L87 Difference]: Start difference. First operand 16 states and 16 transitions. Second operand 15 states. [2018-07-23 13:40:34,823 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2018-07-23 13:40:34,824 INFO L93 Difference]: Finished difference Result 19 states and 19 transitions. [2018-07-23 13:40:34,824 INFO L142 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 15 states. [2018-07-23 13:40:34,824 INFO L78 Accepts]: Start accepts. Automaton has 15 states. Word has length 15 [2018-07-23 13:40:34,824 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2018-07-23 13:40:34,825 INFO L225 Difference]: With dead ends: 19 [2018-07-23 13:40:34,825 INFO L226 Difference]: Without dead ends: 17 [2018-07-23 13:40:34,828 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 13:40:34,829 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 17 states. [2018-07-23 13:40:34,833 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 17 to 17. [2018-07-23 13:40:34,833 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 17 states. [2018-07-23 13:40:34,838 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 17 states to 17 states and 17 transitions. [2018-07-23 13:40:34,838 INFO L78 Accepts]: Start accepts. Automaton has 17 states and 17 transitions. Word has length 15 [2018-07-23 13:40:34,838 INFO L84 Accepts]: Finished accepts. word is rejected. [2018-07-23 13:40:34,839 INFO L471 AbstractCegarLoop]: Abstraction has 17 states and 17 transitions. [2018-07-23 13:40:34,839 INFO L472 AbstractCegarLoop]: Interpolant automaton has 15 states. [2018-07-23 13:40:34,839 INFO L276 IsEmpty]: Start isEmpty. Operand 17 states and 17 transitions. [2018-07-23 13:40:34,839 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 17 [2018-07-23 13:40:34,839 INFO L349 BasicCegarLoop]: Found error trace [2018-07-23 13:40:34,840 INFO L357 BasicCegarLoop]: trace histogram [13, 1, 1, 1] [2018-07-23 13:40:34,840 INFO L414 AbstractCegarLoop]: === Iteration 14 === [ULTIMATE.startErr0AssertViolationASSERT]=== [2018-07-23 13:40:34,840 INFO L82 PathProgramCache]: Analyzing trace with hash -163435032, now seen corresponding path program 13 times [2018-07-23 13:40:34,843 INFO L69 tionRefinementEngine]: Using refinement strategy FixedRefinementStrategy [2018-07-23 13:40:34,856 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-07-23 13:40:34,909 INFO L134 CoverageAnalysis]: Checked inductivity of 91 backedges. 0 proven. 91 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2018-07-23 13:40:34,910 INFO L309 seRefinementStrategy]: Constructing automaton from 0 perfect and 1 imperfect interpolant sequences. [2018-07-23 13:40:34,910 INFO L324 seRefinementStrategy]: Number of different interpolants: perfect sequences [] imperfect sequences [15] total 15 [2018-07-23 13:40:34,910 INFO L142 lantAutomatonBuilder]: Constructing canonical interpolant automaton, with selfloop in false state [2018-07-23 13:40:34,910 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 13:40:34,911 INFO L185 omatonBuilderFactory]: Interpolants [751#true, 752#false, 753#(<= ULTIMATE.start_main_~k~5 0), 754#(<= ULTIMATE.start_main_~k~5 1), 755#(<= ULTIMATE.start_main_~k~5 2), 756#(<= ULTIMATE.start_main_~k~5 3), 757#(<= ULTIMATE.start_main_~k~5 4), 758#(<= ULTIMATE.start_main_~k~5 5), 759#(<= ULTIMATE.start_main_~k~5 6), 760#(<= ULTIMATE.start_main_~k~5 7), 761#(<= ULTIMATE.start_main_~k~5 8), 762#(<= ULTIMATE.start_main_~k~5 9), 763#(<= ULTIMATE.start_main_~k~5 10), 764#(<= ULTIMATE.start_main_~k~5 11), 765#(<= ULTIMATE.start_main_~k~5 12), 766#(<= ULTIMATE.start_main_~k~5 13)] [2018-07-23 13:40:34,911 INFO L134 CoverageAnalysis]: Checked inductivity of 91 backedges. 0 proven. 91 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2018-07-23 13:40:34,911 INFO L450 AbstractCegarLoop]: Interpolant automaton has 16 states [2018-07-23 13:40:34,912 INFO L132 InterpolantAutomaton]: Constructing interpolant automaton starting with 16 interpolants. [2018-07-23 13:40:34,912 INFO L133 InterpolantAutomaton]: CoverageRelationStatistics Valid=120, Invalid=120, Unknown=0, NotChecked=0, Total=240 [2018-07-23 13:40:34,913 INFO L87 Difference]: Start difference. First operand 17 states and 17 transitions. Second operand 16 states. [2018-07-23 13:40:34,944 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2018-07-23 13:40:34,944 INFO L93 Difference]: Finished difference Result 20 states and 20 transitions. [2018-07-23 13:40:34,945 INFO L142 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 16 states. [2018-07-23 13:40:34,945 INFO L78 Accepts]: Start accepts. Automaton has 16 states. Word has length 16 [2018-07-23 13:40:34,945 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2018-07-23 13:40:34,946 INFO L225 Difference]: With dead ends: 20 [2018-07-23 13:40:34,946 INFO L226 Difference]: Without dead ends: 18 [2018-07-23 13:40:34,947 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 13:40:34,948 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 18 states. [2018-07-23 13:40:34,951 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 18 to 18. [2018-07-23 13:40:34,951 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 18 states. [2018-07-23 13:40:34,952 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 18 states to 18 states and 18 transitions. [2018-07-23 13:40:34,952 INFO L78 Accepts]: Start accepts. Automaton has 18 states and 18 transitions. Word has length 16 [2018-07-23 13:40:34,952 INFO L84 Accepts]: Finished accepts. word is rejected. [2018-07-23 13:40:34,953 INFO L471 AbstractCegarLoop]: Abstraction has 18 states and 18 transitions. [2018-07-23 13:40:34,953 INFO L472 AbstractCegarLoop]: Interpolant automaton has 16 states. [2018-07-23 13:40:34,953 INFO L276 IsEmpty]: Start isEmpty. Operand 18 states and 18 transitions. [2018-07-23 13:40:34,953 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 18 [2018-07-23 13:40:34,954 INFO L349 BasicCegarLoop]: Found error trace [2018-07-23 13:40:34,954 INFO L357 BasicCegarLoop]: trace histogram [14, 1, 1, 1] [2018-07-23 13:40:34,954 INFO L414 AbstractCegarLoop]: === Iteration 15 === [ULTIMATE.startErr0AssertViolationASSERT]=== [2018-07-23 13:40:34,955 INFO L82 PathProgramCache]: Analyzing trace with hash -771520671, now seen corresponding path program 14 times [2018-07-23 13:40:34,955 INFO L69 tionRefinementEngine]: Using refinement strategy FixedRefinementStrategy [2018-07-23 13:40:34,964 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-07-23 13:40:35,013 INFO L134 CoverageAnalysis]: Checked inductivity of 105 backedges. 0 proven. 105 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2018-07-23 13:40:35,014 INFO L309 seRefinementStrategy]: Constructing automaton from 0 perfect and 1 imperfect interpolant sequences. [2018-07-23 13:40:35,014 INFO L324 seRefinementStrategy]: Number of different interpolants: perfect sequences [] imperfect sequences [16] total 16 [2018-07-23 13:40:35,014 INFO L142 lantAutomatonBuilder]: Constructing canonical interpolant automaton, with selfloop in false state [2018-07-23 13:40:35,015 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 13:40:35,016 INFO L185 omatonBuilderFactory]: Interpolants [843#true, 844#false, 845#(<= ULTIMATE.start_main_~k~5 0), 846#(<= ULTIMATE.start_main_~k~5 1), 847#(<= ULTIMATE.start_main_~k~5 2), 848#(<= ULTIMATE.start_main_~k~5 3), 849#(<= ULTIMATE.start_main_~k~5 4), 850#(<= ULTIMATE.start_main_~k~5 5), 851#(<= ULTIMATE.start_main_~k~5 6), 852#(<= ULTIMATE.start_main_~k~5 7), 853#(<= ULTIMATE.start_main_~k~5 8), 854#(<= ULTIMATE.start_main_~k~5 9), 855#(<= ULTIMATE.start_main_~k~5 10), 856#(<= ULTIMATE.start_main_~k~5 11), 857#(<= ULTIMATE.start_main_~k~5 12), 858#(<= ULTIMATE.start_main_~k~5 13), 859#(<= ULTIMATE.start_main_~k~5 14)] [2018-07-23 13:40:35,016 INFO L134 CoverageAnalysis]: Checked inductivity of 105 backedges. 0 proven. 105 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2018-07-23 13:40:35,017 INFO L450 AbstractCegarLoop]: Interpolant automaton has 17 states [2018-07-23 13:40:35,017 INFO L132 InterpolantAutomaton]: Constructing interpolant automaton starting with 17 interpolants. [2018-07-23 13:40:35,017 INFO L133 InterpolantAutomaton]: CoverageRelationStatistics Valid=136, Invalid=136, Unknown=0, NotChecked=0, Total=272 [2018-07-23 13:40:35,018 INFO L87 Difference]: Start difference. First operand 18 states and 18 transitions. Second operand 17 states. [2018-07-23 13:40:35,047 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2018-07-23 13:40:35,049 INFO L93 Difference]: Finished difference Result 21 states and 21 transitions. [2018-07-23 13:40:35,049 INFO L142 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 17 states. [2018-07-23 13:40:35,049 INFO L78 Accepts]: Start accepts. Automaton has 17 states. Word has length 17 [2018-07-23 13:40:35,050 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2018-07-23 13:40:35,052 INFO L225 Difference]: With dead ends: 21 [2018-07-23 13:40:35,052 INFO L226 Difference]: Without dead ends: 19 [2018-07-23 13:40:35,054 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 13:40:35,054 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 19 states. [2018-07-23 13:40:35,057 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 19 to 19. [2018-07-23 13:40:35,057 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 19 states. [2018-07-23 13:40:35,061 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 19 states to 19 states and 19 transitions. [2018-07-23 13:40:35,061 INFO L78 Accepts]: Start accepts. Automaton has 19 states and 19 transitions. Word has length 17 [2018-07-23 13:40:35,061 INFO L84 Accepts]: Finished accepts. word is rejected. [2018-07-23 13:40:35,061 INFO L471 AbstractCegarLoop]: Abstraction has 19 states and 19 transitions. [2018-07-23 13:40:35,061 INFO L472 AbstractCegarLoop]: Interpolant automaton has 17 states. [2018-07-23 13:40:35,062 INFO L276 IsEmpty]: Start isEmpty. Operand 19 states and 19 transitions. [2018-07-23 13:40:35,062 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 19 [2018-07-23 13:40:35,064 INFO L349 BasicCegarLoop]: Found error trace [2018-07-23 13:40:35,064 INFO L357 BasicCegarLoop]: trace histogram [15, 1, 1, 1] [2018-07-23 13:40:35,064 INFO L414 AbstractCegarLoop]: === Iteration 16 === [ULTIMATE.startErr0AssertViolationASSERT]=== [2018-07-23 13:40:35,065 INFO L82 PathProgramCache]: Analyzing trace with hash 1852661000, now seen corresponding path program 15 times [2018-07-23 13:40:35,065 INFO L69 tionRefinementEngine]: Using refinement strategy FixedRefinementStrategy [2018-07-23 13:40:35,078 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-07-23 13:40:35,138 INFO L134 CoverageAnalysis]: Checked inductivity of 120 backedges. 0 proven. 120 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2018-07-23 13:40:35,138 INFO L309 seRefinementStrategy]: Constructing automaton from 0 perfect and 1 imperfect interpolant sequences. [2018-07-23 13:40:35,139 INFO L324 seRefinementStrategy]: Number of different interpolants: perfect sequences [] imperfect sequences [17] total 17 [2018-07-23 13:40:35,139 INFO L142 lantAutomatonBuilder]: Constructing canonical interpolant automaton, with selfloop in false state [2018-07-23 13:40:35,139 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2018-07-23 13:40:35,140 INFO L185 omatonBuilderFactory]: Interpolants [940#true, 941#false, 942#(<= ULTIMATE.start_main_~k~5 0), 943#(<= ULTIMATE.start_main_~k~5 1), 944#(<= ULTIMATE.start_main_~k~5 2), 945#(<= ULTIMATE.start_main_~k~5 3), 946#(<= ULTIMATE.start_main_~k~5 4), 947#(<= ULTIMATE.start_main_~k~5 5), 948#(<= ULTIMATE.start_main_~k~5 6), 949#(<= ULTIMATE.start_main_~k~5 7), 950#(<= ULTIMATE.start_main_~k~5 8), 951#(<= ULTIMATE.start_main_~k~5 9), 952#(<= ULTIMATE.start_main_~k~5 10), 953#(<= ULTIMATE.start_main_~k~5 11), 954#(<= ULTIMATE.start_main_~k~5 12), 955#(<= ULTIMATE.start_main_~k~5 13), 956#(<= ULTIMATE.start_main_~k~5 14), 957#(<= ULTIMATE.start_main_~k~5 15)] [2018-07-23 13:40:35,140 INFO L134 CoverageAnalysis]: Checked inductivity of 120 backedges. 0 proven. 120 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2018-07-23 13:40:35,140 INFO L450 AbstractCegarLoop]: Interpolant automaton has 18 states [2018-07-23 13:40:35,141 INFO L132 InterpolantAutomaton]: Constructing interpolant automaton starting with 18 interpolants. [2018-07-23 13:40:35,141 INFO L133 InterpolantAutomaton]: CoverageRelationStatistics Valid=153, Invalid=153, Unknown=0, NotChecked=0, Total=306 [2018-07-23 13:40:35,145 INFO L87 Difference]: Start difference. First operand 19 states and 19 transitions. Second operand 18 states. [2018-07-23 13:40:35,168 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2018-07-23 13:40:35,168 INFO L93 Difference]: Finished difference Result 22 states and 22 transitions. [2018-07-23 13:40:35,169 INFO L142 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 18 states. [2018-07-23 13:40:35,169 INFO L78 Accepts]: Start accepts. Automaton has 18 states. Word has length 18 [2018-07-23 13:40:35,169 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2018-07-23 13:40:35,176 INFO L225 Difference]: With dead ends: 22 [2018-07-23 13:40:35,176 INFO L226 Difference]: Without dead ends: 20 [2018-07-23 13:40:35,177 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 13:40:35,177 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 20 states. [2018-07-23 13:40:35,181 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 20 to 20. [2018-07-23 13:40:35,182 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 20 states. [2018-07-23 13:40:35,182 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 20 states to 20 states and 20 transitions. [2018-07-23 13:40:35,182 INFO L78 Accepts]: Start accepts. Automaton has 20 states and 20 transitions. Word has length 18 [2018-07-23 13:40:35,183 INFO L84 Accepts]: Finished accepts. word is rejected. [2018-07-23 13:40:35,183 INFO L471 AbstractCegarLoop]: Abstraction has 20 states and 20 transitions. [2018-07-23 13:40:35,183 INFO L472 AbstractCegarLoop]: Interpolant automaton has 18 states. [2018-07-23 13:40:35,183 INFO L276 IsEmpty]: Start isEmpty. Operand 20 states and 20 transitions. [2018-07-23 13:40:35,185 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 20 [2018-07-23 13:40:35,185 INFO L349 BasicCegarLoop]: Found error trace [2018-07-23 13:40:35,186 INFO L357 BasicCegarLoop]: trace histogram [16, 1, 1, 1] [2018-07-23 13:40:35,186 INFO L414 AbstractCegarLoop]: === Iteration 17 === [ULTIMATE.startErr0AssertViolationASSERT]=== [2018-07-23 13:40:35,186 INFO L82 PathProgramCache]: Analyzing trace with hash 1597914177, now seen corresponding path program 16 times [2018-07-23 13:40:35,187 INFO L69 tionRefinementEngine]: Using refinement strategy FixedRefinementStrategy [2018-07-23 13:40:35,198 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-07-23 13:40:35,259 INFO L134 CoverageAnalysis]: Checked inductivity of 136 backedges. 0 proven. 136 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2018-07-23 13:40:35,259 INFO L309 seRefinementStrategy]: Constructing automaton from 0 perfect and 1 imperfect interpolant sequences. [2018-07-23 13:40:35,260 INFO L324 seRefinementStrategy]: Number of different interpolants: perfect sequences [] imperfect sequences [18] total 18 [2018-07-23 13:40:35,260 INFO L142 lantAutomatonBuilder]: Constructing canonical interpolant automaton, with selfloop in false state [2018-07-23 13:40:35,261 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2018-07-23 13:40:35,261 INFO L185 omatonBuilderFactory]: Interpolants [1056#(<= ULTIMATE.start_main_~k~5 12), 1057#(<= ULTIMATE.start_main_~k~5 13), 1058#(<= ULTIMATE.start_main_~k~5 14), 1059#(<= ULTIMATE.start_main_~k~5 15), 1060#(<= ULTIMATE.start_main_~k~5 16), 1042#true, 1043#false, 1044#(<= ULTIMATE.start_main_~k~5 0), 1045#(<= ULTIMATE.start_main_~k~5 1), 1046#(<= ULTIMATE.start_main_~k~5 2), 1047#(<= ULTIMATE.start_main_~k~5 3), 1048#(<= ULTIMATE.start_main_~k~5 4), 1049#(<= ULTIMATE.start_main_~k~5 5), 1050#(<= ULTIMATE.start_main_~k~5 6), 1051#(<= ULTIMATE.start_main_~k~5 7), 1052#(<= ULTIMATE.start_main_~k~5 8), 1053#(<= ULTIMATE.start_main_~k~5 9), 1054#(<= ULTIMATE.start_main_~k~5 10), 1055#(<= ULTIMATE.start_main_~k~5 11)] [2018-07-23 13:40:35,262 INFO L134 CoverageAnalysis]: Checked inductivity of 136 backedges. 0 proven. 136 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2018-07-23 13:40:35,262 INFO L450 AbstractCegarLoop]: Interpolant automaton has 19 states [2018-07-23 13:40:35,263 INFO L132 InterpolantAutomaton]: Constructing interpolant automaton starting with 19 interpolants. [2018-07-23 13:40:35,263 INFO L133 InterpolantAutomaton]: CoverageRelationStatistics Valid=171, Invalid=171, Unknown=0, NotChecked=0, Total=342 [2018-07-23 13:40:35,263 INFO L87 Difference]: Start difference. First operand 20 states and 20 transitions. Second operand 19 states. [2018-07-23 13:40:35,282 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2018-07-23 13:40:35,282 INFO L93 Difference]: Finished difference Result 23 states and 23 transitions. [2018-07-23 13:40:35,282 INFO L142 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 19 states. [2018-07-23 13:40:35,283 INFO L78 Accepts]: Start accepts. Automaton has 19 states. Word has length 19 [2018-07-23 13:40:35,283 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2018-07-23 13:40:35,283 INFO L225 Difference]: With dead ends: 23 [2018-07-23 13:40:35,283 INFO L226 Difference]: Without dead ends: 21 [2018-07-23 13:40:35,284 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 13:40:35,284 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 21 states. [2018-07-23 13:40:35,288 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 21 to 21. [2018-07-23 13:40:35,288 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 21 states. [2018-07-23 13:40:35,288 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 21 states to 21 states and 21 transitions. [2018-07-23 13:40:35,289 INFO L78 Accepts]: Start accepts. Automaton has 21 states and 21 transitions. Word has length 19 [2018-07-23 13:40:35,289 INFO L84 Accepts]: Finished accepts. word is rejected. [2018-07-23 13:40:35,289 INFO L471 AbstractCegarLoop]: Abstraction has 21 states and 21 transitions. [2018-07-23 13:40:35,289 INFO L472 AbstractCegarLoop]: Interpolant automaton has 19 states. [2018-07-23 13:40:35,289 INFO L276 IsEmpty]: Start isEmpty. Operand 21 states and 21 transitions. [2018-07-23 13:40:35,290 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 21 [2018-07-23 13:40:35,290 INFO L349 BasicCegarLoop]: Found error trace [2018-07-23 13:40:35,290 INFO L357 BasicCegarLoop]: trace histogram [17, 1, 1, 1] [2018-07-23 13:40:35,290 INFO L414 AbstractCegarLoop]: === Iteration 18 === [ULTIMATE.startErr0AssertViolationASSERT]=== [2018-07-23 13:40:35,291 INFO L82 PathProgramCache]: Analyzing trace with hash -2004270040, now seen corresponding path program 17 times [2018-07-23 13:40:35,291 INFO L69 tionRefinementEngine]: Using refinement strategy FixedRefinementStrategy [2018-07-23 13:40:35,301 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-07-23 13:40:35,366 INFO L134 CoverageAnalysis]: Checked inductivity of 153 backedges. 0 proven. 153 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2018-07-23 13:40:35,366 INFO L309 seRefinementStrategy]: Constructing automaton from 0 perfect and 1 imperfect interpolant sequences. [2018-07-23 13:40:35,366 INFO L324 seRefinementStrategy]: Number of different interpolants: perfect sequences [] imperfect sequences [19] total 19 [2018-07-23 13:40:35,367 INFO L142 lantAutomatonBuilder]: Constructing canonical interpolant automaton, with selfloop in false state [2018-07-23 13:40:35,367 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2018-07-23 13:40:35,369 INFO L185 omatonBuilderFactory]: Interpolants [1152#(<= ULTIMATE.start_main_~k~5 1), 1153#(<= ULTIMATE.start_main_~k~5 2), 1154#(<= ULTIMATE.start_main_~k~5 3), 1155#(<= ULTIMATE.start_main_~k~5 4), 1156#(<= ULTIMATE.start_main_~k~5 5), 1157#(<= ULTIMATE.start_main_~k~5 6), 1158#(<= ULTIMATE.start_main_~k~5 7), 1159#(<= ULTIMATE.start_main_~k~5 8), 1160#(<= ULTIMATE.start_main_~k~5 9), 1161#(<= ULTIMATE.start_main_~k~5 10), 1162#(<= ULTIMATE.start_main_~k~5 11), 1163#(<= ULTIMATE.start_main_~k~5 12), 1164#(<= ULTIMATE.start_main_~k~5 13), 1165#(<= ULTIMATE.start_main_~k~5 14), 1166#(<= ULTIMATE.start_main_~k~5 15), 1167#(<= ULTIMATE.start_main_~k~5 16), 1168#(<= ULTIMATE.start_main_~k~5 17), 1149#true, 1150#false, 1151#(<= ULTIMATE.start_main_~k~5 0)] [2018-07-23 13:40:35,369 INFO L134 CoverageAnalysis]: Checked inductivity of 153 backedges. 0 proven. 153 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2018-07-23 13:40:35,369 INFO L450 AbstractCegarLoop]: Interpolant automaton has 20 states [2018-07-23 13:40:35,370 INFO L132 InterpolantAutomaton]: Constructing interpolant automaton starting with 20 interpolants. [2018-07-23 13:40:35,370 INFO L133 InterpolantAutomaton]: CoverageRelationStatistics Valid=190, Invalid=190, Unknown=0, NotChecked=0, Total=380 [2018-07-23 13:40:35,371 INFO L87 Difference]: Start difference. First operand 21 states and 21 transitions. Second operand 20 states. [2018-07-23 13:40:35,392 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2018-07-23 13:40:35,392 INFO L93 Difference]: Finished difference Result 24 states and 24 transitions. [2018-07-23 13:40:35,393 INFO L142 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 20 states. [2018-07-23 13:40:35,393 INFO L78 Accepts]: Start accepts. Automaton has 20 states. Word has length 20 [2018-07-23 13:40:35,393 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2018-07-23 13:40:35,395 INFO L225 Difference]: With dead ends: 24 [2018-07-23 13:40:35,397 INFO L226 Difference]: Without dead ends: 22 [2018-07-23 13:40:35,402 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 13:40:35,402 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 22 states. [2018-07-23 13:40:35,405 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 22 to 22. [2018-07-23 13:40:35,405 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 22 states. [2018-07-23 13:40:35,406 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 22 states to 22 states and 22 transitions. [2018-07-23 13:40:35,406 INFO L78 Accepts]: Start accepts. Automaton has 22 states and 22 transitions. Word has length 20 [2018-07-23 13:40:35,410 INFO L84 Accepts]: Finished accepts. word is rejected. [2018-07-23 13:40:35,410 INFO L471 AbstractCegarLoop]: Abstraction has 22 states and 22 transitions. [2018-07-23 13:40:35,410 INFO L472 AbstractCegarLoop]: Interpolant automaton has 20 states. [2018-07-23 13:40:35,410 INFO L276 IsEmpty]: Start isEmpty. Operand 22 states and 22 transitions. [2018-07-23 13:40:35,411 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 22 [2018-07-23 13:40:35,411 INFO L349 BasicCegarLoop]: Found error trace [2018-07-23 13:40:35,411 INFO L357 BasicCegarLoop]: trace histogram [18, 1, 1, 1] [2018-07-23 13:40:35,411 INFO L414 AbstractCegarLoop]: === Iteration 19 === [ULTIMATE.startErr0AssertViolationASSERT]=== [2018-07-23 13:40:35,412 INFO L82 PathProgramCache]: Analyzing trace with hash -2002831071, now seen corresponding path program 18 times [2018-07-23 13:40:35,412 INFO L69 tionRefinementEngine]: Using refinement strategy FixedRefinementStrategy [2018-07-23 13:40:35,431 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-07-23 13:40:35,509 INFO L134 CoverageAnalysis]: Checked inductivity of 171 backedges. 0 proven. 171 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2018-07-23 13:40:35,509 INFO L309 seRefinementStrategy]: Constructing automaton from 0 perfect and 1 imperfect interpolant sequences. [2018-07-23 13:40:35,510 INFO L324 seRefinementStrategy]: Number of different interpolants: perfect sequences [] imperfect sequences [20] total 20 [2018-07-23 13:40:35,510 INFO L142 lantAutomatonBuilder]: Constructing canonical interpolant automaton, with selfloop in false state [2018-07-23 13:40:35,510 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2018-07-23 13:40:35,511 INFO L185 omatonBuilderFactory]: Interpolants [1280#(<= ULTIMATE.start_main_~k~5 17), 1281#(<= ULTIMATE.start_main_~k~5 18), 1261#true, 1262#false, 1263#(<= ULTIMATE.start_main_~k~5 0), 1264#(<= ULTIMATE.start_main_~k~5 1), 1265#(<= ULTIMATE.start_main_~k~5 2), 1266#(<= ULTIMATE.start_main_~k~5 3), 1267#(<= ULTIMATE.start_main_~k~5 4), 1268#(<= ULTIMATE.start_main_~k~5 5), 1269#(<= ULTIMATE.start_main_~k~5 6), 1270#(<= ULTIMATE.start_main_~k~5 7), 1271#(<= ULTIMATE.start_main_~k~5 8), 1272#(<= ULTIMATE.start_main_~k~5 9), 1273#(<= ULTIMATE.start_main_~k~5 10), 1274#(<= ULTIMATE.start_main_~k~5 11), 1275#(<= ULTIMATE.start_main_~k~5 12), 1276#(<= ULTIMATE.start_main_~k~5 13), 1277#(<= ULTIMATE.start_main_~k~5 14), 1278#(<= ULTIMATE.start_main_~k~5 15), 1279#(<= ULTIMATE.start_main_~k~5 16)] [2018-07-23 13:40:35,511 INFO L134 CoverageAnalysis]: Checked inductivity of 171 backedges. 0 proven. 171 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2018-07-23 13:40:35,512 INFO L450 AbstractCegarLoop]: Interpolant automaton has 21 states [2018-07-23 13:40:35,512 INFO L132 InterpolantAutomaton]: Constructing interpolant automaton starting with 21 interpolants. [2018-07-23 13:40:35,512 INFO L133 InterpolantAutomaton]: CoverageRelationStatistics Valid=210, Invalid=210, Unknown=0, NotChecked=0, Total=420 [2018-07-23 13:40:35,513 INFO L87 Difference]: Start difference. First operand 22 states and 22 transitions. Second operand 21 states. [2018-07-23 13:40:35,530 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2018-07-23 13:40:35,531 INFO L93 Difference]: Finished difference Result 25 states and 25 transitions. [2018-07-23 13:40:35,531 INFO L142 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 21 states. [2018-07-23 13:40:35,531 INFO L78 Accepts]: Start accepts. Automaton has 21 states. Word has length 21 [2018-07-23 13:40:35,532 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2018-07-23 13:40:35,532 INFO L225 Difference]: With dead ends: 25 [2018-07-23 13:40:35,532 INFO L226 Difference]: Without dead ends: 23 [2018-07-23 13:40:35,533 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 13:40:35,533 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 23 states. [2018-07-23 13:40:35,541 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 23 to 23. [2018-07-23 13:40:35,542 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 23 states. [2018-07-23 13:40:35,542 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 23 states to 23 states and 23 transitions. [2018-07-23 13:40:35,543 INFO L78 Accepts]: Start accepts. Automaton has 23 states and 23 transitions. Word has length 21 [2018-07-23 13:40:35,543 INFO L84 Accepts]: Finished accepts. word is rejected. [2018-07-23 13:40:35,543 INFO L471 AbstractCegarLoop]: Abstraction has 23 states and 23 transitions. [2018-07-23 13:40:35,544 INFO L472 AbstractCegarLoop]: Interpolant automaton has 21 states. [2018-07-23 13:40:35,544 INFO L276 IsEmpty]: Start isEmpty. Operand 23 states and 23 transitions. [2018-07-23 13:40:35,544 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 23 [2018-07-23 13:40:35,544 INFO L349 BasicCegarLoop]: Found error trace [2018-07-23 13:40:35,545 INFO L357 BasicCegarLoop]: trace histogram [19, 1, 1, 1] [2018-07-23 13:40:35,545 INFO L414 AbstractCegarLoop]: === Iteration 20 === [ULTIMATE.startErr0AssertViolationASSERT]=== [2018-07-23 13:40:35,545 INFO L82 PathProgramCache]: Analyzing trace with hash -1958223032, now seen corresponding path program 19 times [2018-07-23 13:40:35,546 INFO L69 tionRefinementEngine]: Using refinement strategy FixedRefinementStrategy [2018-07-23 13:40:35,559 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-07-23 13:40:35,630 INFO L134 CoverageAnalysis]: Checked inductivity of 190 backedges. 0 proven. 190 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2018-07-23 13:40:35,630 INFO L309 seRefinementStrategy]: Constructing automaton from 0 perfect and 1 imperfect interpolant sequences. [2018-07-23 13:40:35,630 INFO L324 seRefinementStrategy]: Number of different interpolants: perfect sequences [] imperfect sequences [21] total 21 [2018-07-23 13:40:35,631 INFO L142 lantAutomatonBuilder]: Constructing canonical interpolant automaton, with selfloop in false state [2018-07-23 13:40:35,631 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 13:40:35,631 INFO L185 omatonBuilderFactory]: Interpolants [1378#true, 1379#false, 1380#(<= ULTIMATE.start_main_~k~5 0), 1381#(<= ULTIMATE.start_main_~k~5 1), 1382#(<= ULTIMATE.start_main_~k~5 2), 1383#(<= ULTIMATE.start_main_~k~5 3), 1384#(<= ULTIMATE.start_main_~k~5 4), 1385#(<= ULTIMATE.start_main_~k~5 5), 1386#(<= ULTIMATE.start_main_~k~5 6), 1387#(<= ULTIMATE.start_main_~k~5 7), 1388#(<= ULTIMATE.start_main_~k~5 8), 1389#(<= ULTIMATE.start_main_~k~5 9), 1390#(<= ULTIMATE.start_main_~k~5 10), 1391#(<= ULTIMATE.start_main_~k~5 11), 1392#(<= ULTIMATE.start_main_~k~5 12), 1393#(<= ULTIMATE.start_main_~k~5 13), 1394#(<= ULTIMATE.start_main_~k~5 14), 1395#(<= ULTIMATE.start_main_~k~5 15), 1396#(<= ULTIMATE.start_main_~k~5 16), 1397#(<= ULTIMATE.start_main_~k~5 17), 1398#(<= ULTIMATE.start_main_~k~5 18), 1399#(<= ULTIMATE.start_main_~k~5 19)] [2018-07-23 13:40:35,632 INFO L134 CoverageAnalysis]: Checked inductivity of 190 backedges. 0 proven. 190 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2018-07-23 13:40:35,632 INFO L450 AbstractCegarLoop]: Interpolant automaton has 22 states [2018-07-23 13:40:35,633 INFO L132 InterpolantAutomaton]: Constructing interpolant automaton starting with 22 interpolants. [2018-07-23 13:40:35,633 INFO L133 InterpolantAutomaton]: CoverageRelationStatistics Valid=231, Invalid=231, Unknown=0, NotChecked=0, Total=462 [2018-07-23 13:40:35,633 INFO L87 Difference]: Start difference. First operand 23 states and 23 transitions. Second operand 22 states. [2018-07-23 13:40:35,659 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2018-07-23 13:40:35,660 INFO L93 Difference]: Finished difference Result 26 states and 26 transitions. [2018-07-23 13:40:35,660 INFO L142 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 22 states. [2018-07-23 13:40:35,660 INFO L78 Accepts]: Start accepts. Automaton has 22 states. Word has length 22 [2018-07-23 13:40:35,661 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2018-07-23 13:40:35,661 INFO L225 Difference]: With dead ends: 26 [2018-07-23 13:40:35,662 INFO L226 Difference]: Without dead ends: 24 [2018-07-23 13:40:35,663 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 13:40:35,663 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 24 states. [2018-07-23 13:40:35,667 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 24 to 24. [2018-07-23 13:40:35,667 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 24 states. [2018-07-23 13:40:35,668 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 24 states to 24 states and 24 transitions. [2018-07-23 13:40:35,668 INFO L78 Accepts]: Start accepts. Automaton has 24 states and 24 transitions. Word has length 22 [2018-07-23 13:40:35,668 INFO L84 Accepts]: Finished accepts. word is rejected. [2018-07-23 13:40:35,668 INFO L471 AbstractCegarLoop]: Abstraction has 24 states and 24 transitions. [2018-07-23 13:40:35,668 INFO L472 AbstractCegarLoop]: Interpolant automaton has 22 states. [2018-07-23 13:40:35,669 INFO L276 IsEmpty]: Start isEmpty. Operand 24 states and 24 transitions. [2018-07-23 13:40:35,669 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 24 [2018-07-23 13:40:35,670 INFO L349 BasicCegarLoop]: Found error trace [2018-07-23 13:40:35,670 INFO L357 BasicCegarLoop]: trace histogram [20, 1, 1, 1] [2018-07-23 13:40:35,670 INFO L414 AbstractCegarLoop]: === Iteration 21 === [ULTIMATE.startErr0AssertViolationASSERT]=== [2018-07-23 13:40:35,671 INFO L82 PathProgramCache]: Analyzing trace with hash -575373823, now seen corresponding path program 20 times [2018-07-23 13:40:35,671 INFO L69 tionRefinementEngine]: Using refinement strategy FixedRefinementStrategy [2018-07-23 13:40:35,685 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-07-23 13:40:35,773 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 13:40:35,773 INFO L309 seRefinementStrategy]: Constructing automaton from 0 perfect and 1 imperfect interpolant sequences. [2018-07-23 13:40:35,773 INFO L324 seRefinementStrategy]: Number of different interpolants: perfect sequences [] imperfect sequences [22] total 22 [2018-07-23 13:40:35,774 INFO L142 lantAutomatonBuilder]: Constructing canonical interpolant automaton, with selfloop in false state [2018-07-23 13:40:35,774 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2018-07-23 13:40:35,774 INFO L185 omatonBuilderFactory]: Interpolants [1504#(<= ULTIMATE.start_main_~k~5 2), 1505#(<= ULTIMATE.start_main_~k~5 3), 1506#(<= ULTIMATE.start_main_~k~5 4), 1507#(<= ULTIMATE.start_main_~k~5 5), 1508#(<= ULTIMATE.start_main_~k~5 6), 1509#(<= ULTIMATE.start_main_~k~5 7), 1510#(<= ULTIMATE.start_main_~k~5 8), 1511#(<= ULTIMATE.start_main_~k~5 9), 1512#(<= ULTIMATE.start_main_~k~5 10), 1513#(<= ULTIMATE.start_main_~k~5 11), 1514#(<= ULTIMATE.start_main_~k~5 12), 1515#(<= ULTIMATE.start_main_~k~5 13), 1516#(<= ULTIMATE.start_main_~k~5 14), 1517#(<= ULTIMATE.start_main_~k~5 15), 1518#(<= ULTIMATE.start_main_~k~5 16), 1519#(<= ULTIMATE.start_main_~k~5 17), 1520#(<= ULTIMATE.start_main_~k~5 18), 1521#(<= ULTIMATE.start_main_~k~5 19), 1522#(<= ULTIMATE.start_main_~k~5 20), 1500#true, 1501#false, 1502#(<= ULTIMATE.start_main_~k~5 0), 1503#(<= ULTIMATE.start_main_~k~5 1)] [2018-07-23 13:40:35,775 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 13:40:35,775 INFO L450 AbstractCegarLoop]: Interpolant automaton has 23 states [2018-07-23 13:40:35,775 INFO L132 InterpolantAutomaton]: Constructing interpolant automaton starting with 23 interpolants. [2018-07-23 13:40:35,776 INFO L133 InterpolantAutomaton]: CoverageRelationStatistics Valid=253, Invalid=253, Unknown=0, NotChecked=0, Total=506 [2018-07-23 13:40:35,776 INFO L87 Difference]: Start difference. First operand 24 states and 24 transitions. Second operand 23 states. [2018-07-23 13:40:35,796 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2018-07-23 13:40:35,797 INFO L93 Difference]: Finished difference Result 27 states and 27 transitions. [2018-07-23 13:40:35,797 INFO L142 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 23 states. [2018-07-23 13:40:35,797 INFO L78 Accepts]: Start accepts. Automaton has 23 states. Word has length 23 [2018-07-23 13:40:35,798 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2018-07-23 13:40:35,798 INFO L225 Difference]: With dead ends: 27 [2018-07-23 13:40:35,798 INFO L226 Difference]: Without dead ends: 25 [2018-07-23 13:40:35,799 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 13:40:35,799 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 25 states. [2018-07-23 13:40:35,802 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 25 to 25. [2018-07-23 13:40:35,802 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 25 states. [2018-07-23 13:40:35,803 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 25 states to 25 states and 25 transitions. [2018-07-23 13:40:35,803 INFO L78 Accepts]: Start accepts. Automaton has 25 states and 25 transitions. Word has length 23 [2018-07-23 13:40:35,803 INFO L84 Accepts]: Finished accepts. word is rejected. [2018-07-23 13:40:35,803 INFO L471 AbstractCegarLoop]: Abstraction has 25 states and 25 transitions. [2018-07-23 13:40:35,803 INFO L472 AbstractCegarLoop]: Interpolant automaton has 23 states. [2018-07-23 13:40:35,803 INFO L276 IsEmpty]: Start isEmpty. Operand 25 states and 25 transitions. [2018-07-23 13:40:35,804 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 25 [2018-07-23 13:40:35,804 INFO L349 BasicCegarLoop]: Found error trace [2018-07-23 13:40:35,804 INFO L357 BasicCegarLoop]: trace histogram [21, 1, 1, 1] [2018-07-23 13:40:35,805 INFO L414 AbstractCegarLoop]: === Iteration 22 === [ULTIMATE.startErr0AssertViolationASSERT]=== [2018-07-23 13:40:35,805 INFO L82 PathProgramCache]: Analyzing trace with hash -656721304, now seen corresponding path program 21 times [2018-07-23 13:40:35,805 INFO L69 tionRefinementEngine]: Using refinement strategy FixedRefinementStrategy [2018-07-23 13:40:35,817 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-07-23 13:40:35,897 INFO L134 CoverageAnalysis]: Checked inductivity of 231 backedges. 0 proven. 231 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2018-07-23 13:40:35,897 INFO L309 seRefinementStrategy]: Constructing automaton from 0 perfect and 1 imperfect interpolant sequences. [2018-07-23 13:40:35,897 INFO L324 seRefinementStrategy]: Number of different interpolants: perfect sequences [] imperfect sequences [23] total 23 [2018-07-23 13:40:35,898 INFO L142 lantAutomatonBuilder]: Constructing canonical interpolant automaton, with selfloop in false state [2018-07-23 13:40:35,898 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2018-07-23 13:40:35,899 INFO L185 omatonBuilderFactory]: Interpolants [1632#(<= ULTIMATE.start_main_~k~5 3), 1633#(<= ULTIMATE.start_main_~k~5 4), 1634#(<= ULTIMATE.start_main_~k~5 5), 1635#(<= ULTIMATE.start_main_~k~5 6), 1636#(<= ULTIMATE.start_main_~k~5 7), 1637#(<= ULTIMATE.start_main_~k~5 8), 1638#(<= ULTIMATE.start_main_~k~5 9), 1639#(<= ULTIMATE.start_main_~k~5 10), 1640#(<= ULTIMATE.start_main_~k~5 11), 1641#(<= ULTIMATE.start_main_~k~5 12), 1642#(<= ULTIMATE.start_main_~k~5 13), 1643#(<= ULTIMATE.start_main_~k~5 14), 1644#(<= ULTIMATE.start_main_~k~5 15), 1645#(<= ULTIMATE.start_main_~k~5 16), 1646#(<= ULTIMATE.start_main_~k~5 17), 1647#(<= ULTIMATE.start_main_~k~5 18), 1648#(<= ULTIMATE.start_main_~k~5 19), 1649#(<= ULTIMATE.start_main_~k~5 20), 1650#(<= ULTIMATE.start_main_~k~5 21), 1627#true, 1628#false, 1629#(<= ULTIMATE.start_main_~k~5 0), 1630#(<= ULTIMATE.start_main_~k~5 1), 1631#(<= ULTIMATE.start_main_~k~5 2)] [2018-07-23 13:40:35,899 INFO L134 CoverageAnalysis]: Checked inductivity of 231 backedges. 0 proven. 231 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2018-07-23 13:40:35,900 INFO L450 AbstractCegarLoop]: Interpolant automaton has 24 states [2018-07-23 13:40:35,900 INFO L132 InterpolantAutomaton]: Constructing interpolant automaton starting with 24 interpolants. [2018-07-23 13:40:35,900 INFO L133 InterpolantAutomaton]: CoverageRelationStatistics Valid=276, Invalid=276, Unknown=0, NotChecked=0, Total=552 [2018-07-23 13:40:35,901 INFO L87 Difference]: Start difference. First operand 25 states and 25 transitions. Second operand 24 states. [2018-07-23 13:40:35,922 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2018-07-23 13:40:35,922 INFO L93 Difference]: Finished difference Result 28 states and 28 transitions. [2018-07-23 13:40:35,923 INFO L142 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 24 states. [2018-07-23 13:40:35,923 INFO L78 Accepts]: Start accepts. Automaton has 24 states. Word has length 24 [2018-07-23 13:40:35,923 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2018-07-23 13:40:35,923 INFO L225 Difference]: With dead ends: 28 [2018-07-23 13:40:35,924 INFO L226 Difference]: Without dead ends: 26 [2018-07-23 13:40:35,924 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 13:40:35,925 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 26 states. [2018-07-23 13:40:35,927 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 26 to 26. [2018-07-23 13:40:35,927 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 26 states. [2018-07-23 13:40:35,928 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 26 states to 26 states and 26 transitions. [2018-07-23 13:40:35,928 INFO L78 Accepts]: Start accepts. Automaton has 26 states and 26 transitions. Word has length 24 [2018-07-23 13:40:35,928 INFO L84 Accepts]: Finished accepts. word is rejected. [2018-07-23 13:40:35,928 INFO L471 AbstractCegarLoop]: Abstraction has 26 states and 26 transitions. [2018-07-23 13:40:35,929 INFO L472 AbstractCegarLoop]: Interpolant automaton has 24 states. [2018-07-23 13:40:35,929 INFO L276 IsEmpty]: Start isEmpty. Operand 26 states and 26 transitions. [2018-07-23 13:40:35,929 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 26 [2018-07-23 13:40:35,929 INFO L349 BasicCegarLoop]: Found error trace [2018-07-23 13:40:35,930 INFO L357 BasicCegarLoop]: trace histogram [22, 1, 1, 1] [2018-07-23 13:40:35,930 INFO L414 AbstractCegarLoop]: === Iteration 23 === [ULTIMATE.startErr0AssertViolationASSERT]=== [2018-07-23 13:40:35,930 INFO L82 PathProgramCache]: Analyzing trace with hash 1116474081, now seen corresponding path program 22 times [2018-07-23 13:40:35,930 INFO L69 tionRefinementEngine]: Using refinement strategy FixedRefinementStrategy [2018-07-23 13:40:35,943 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-07-23 13:40:36,050 INFO L134 CoverageAnalysis]: Checked inductivity of 253 backedges. 0 proven. 253 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2018-07-23 13:40:36,051 INFO L309 seRefinementStrategy]: Constructing automaton from 0 perfect and 1 imperfect interpolant sequences. [2018-07-23 13:40:36,051 INFO L324 seRefinementStrategy]: Number of different interpolants: perfect sequences [] imperfect sequences [24] total 24 [2018-07-23 13:40:36,052 INFO L142 lantAutomatonBuilder]: Constructing canonical interpolant automaton, with selfloop in false state [2018-07-23 13:40:36,052 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 13:40:36,053 INFO L185 omatonBuilderFactory]: Interpolants [1759#true, 1760#false, 1761#(<= ULTIMATE.start_main_~k~5 0), 1762#(<= ULTIMATE.start_main_~k~5 1), 1763#(<= ULTIMATE.start_main_~k~5 2), 1764#(<= ULTIMATE.start_main_~k~5 3), 1765#(<= ULTIMATE.start_main_~k~5 4), 1766#(<= ULTIMATE.start_main_~k~5 5), 1767#(<= ULTIMATE.start_main_~k~5 6), 1768#(<= ULTIMATE.start_main_~k~5 7), 1769#(<= ULTIMATE.start_main_~k~5 8), 1770#(<= ULTIMATE.start_main_~k~5 9), 1771#(<= ULTIMATE.start_main_~k~5 10), 1772#(<= ULTIMATE.start_main_~k~5 11), 1773#(<= ULTIMATE.start_main_~k~5 12), 1774#(<= ULTIMATE.start_main_~k~5 13), 1775#(<= ULTIMATE.start_main_~k~5 14), 1776#(<= ULTIMATE.start_main_~k~5 15), 1777#(<= ULTIMATE.start_main_~k~5 16), 1778#(<= ULTIMATE.start_main_~k~5 17), 1779#(<= ULTIMATE.start_main_~k~5 18), 1780#(<= ULTIMATE.start_main_~k~5 19), 1781#(<= ULTIMATE.start_main_~k~5 20), 1782#(<= ULTIMATE.start_main_~k~5 21), 1783#(<= ULTIMATE.start_main_~k~5 22)] [2018-07-23 13:40:36,053 INFO L134 CoverageAnalysis]: Checked inductivity of 253 backedges. 0 proven. 253 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2018-07-23 13:40:36,054 INFO L450 AbstractCegarLoop]: Interpolant automaton has 25 states [2018-07-23 13:40:36,057 INFO L132 InterpolantAutomaton]: Constructing interpolant automaton starting with 25 interpolants. [2018-07-23 13:40:36,058 INFO L133 InterpolantAutomaton]: CoverageRelationStatistics Valid=300, Invalid=300, Unknown=0, NotChecked=0, Total=600 [2018-07-23 13:40:36,058 INFO L87 Difference]: Start difference. First operand 26 states and 26 transitions. Second operand 25 states. [2018-07-23 13:40:36,099 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2018-07-23 13:40:36,100 INFO L93 Difference]: Finished difference Result 29 states and 29 transitions. [2018-07-23 13:40:36,100 INFO L142 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 25 states. [2018-07-23 13:40:36,100 INFO L78 Accepts]: Start accepts. Automaton has 25 states. Word has length 25 [2018-07-23 13:40:36,100 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2018-07-23 13:40:36,101 INFO L225 Difference]: With dead ends: 29 [2018-07-23 13:40:36,101 INFO L226 Difference]: Without dead ends: 27 [2018-07-23 13:40:36,102 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 13:40:36,102 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 27 states. [2018-07-23 13:40:36,107 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 27 to 27. [2018-07-23 13:40:36,107 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 27 states. [2018-07-23 13:40:36,109 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 27 states to 27 states and 27 transitions. [2018-07-23 13:40:36,109 INFO L78 Accepts]: Start accepts. Automaton has 27 states and 27 transitions. Word has length 25 [2018-07-23 13:40:36,109 INFO L84 Accepts]: Finished accepts. word is rejected. [2018-07-23 13:40:36,109 INFO L471 AbstractCegarLoop]: Abstraction has 27 states and 27 transitions. [2018-07-23 13:40:36,110 INFO L472 AbstractCegarLoop]: Interpolant automaton has 25 states. [2018-07-23 13:40:36,110 INFO L276 IsEmpty]: Start isEmpty. Operand 27 states and 27 transitions. [2018-07-23 13:40:36,113 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 27 [2018-07-23 13:40:36,113 INFO L349 BasicCegarLoop]: Found error trace [2018-07-23 13:40:36,114 INFO L357 BasicCegarLoop]: trace histogram [23, 1, 1, 1] [2018-07-23 13:40:36,114 INFO L414 AbstractCegarLoop]: === Iteration 24 === [ULTIMATE.startErr0AssertViolationASSERT]=== [2018-07-23 13:40:36,114 INFO L82 PathProgramCache]: Analyzing trace with hash 250956168, now seen corresponding path program 23 times [2018-07-23 13:40:36,114 INFO L69 tionRefinementEngine]: Using refinement strategy FixedRefinementStrategy [2018-07-23 13:40:36,131 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-07-23 13:40:36,226 INFO L134 CoverageAnalysis]: Checked inductivity of 276 backedges. 0 proven. 276 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2018-07-23 13:40:36,227 INFO L309 seRefinementStrategy]: Constructing automaton from 0 perfect and 1 imperfect interpolant sequences. [2018-07-23 13:40:36,227 INFO L324 seRefinementStrategy]: Number of different interpolants: perfect sequences [] imperfect sequences [25] total 25 [2018-07-23 13:40:36,227 INFO L142 lantAutomatonBuilder]: Constructing canonical interpolant automaton, with selfloop in false state [2018-07-23 13:40:36,227 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2018-07-23 13:40:36,228 INFO L185 omatonBuilderFactory]: Interpolants [1920#(<= ULTIMATE.start_main_~k~5 22), 1921#(<= ULTIMATE.start_main_~k~5 23), 1896#true, 1897#false, 1898#(<= ULTIMATE.start_main_~k~5 0), 1899#(<= ULTIMATE.start_main_~k~5 1), 1900#(<= ULTIMATE.start_main_~k~5 2), 1901#(<= ULTIMATE.start_main_~k~5 3), 1902#(<= ULTIMATE.start_main_~k~5 4), 1903#(<= ULTIMATE.start_main_~k~5 5), 1904#(<= ULTIMATE.start_main_~k~5 6), 1905#(<= ULTIMATE.start_main_~k~5 7), 1906#(<= ULTIMATE.start_main_~k~5 8), 1907#(<= ULTIMATE.start_main_~k~5 9), 1908#(<= ULTIMATE.start_main_~k~5 10), 1909#(<= ULTIMATE.start_main_~k~5 11), 1910#(<= ULTIMATE.start_main_~k~5 12), 1911#(<= ULTIMATE.start_main_~k~5 13), 1912#(<= ULTIMATE.start_main_~k~5 14), 1913#(<= ULTIMATE.start_main_~k~5 15), 1914#(<= ULTIMATE.start_main_~k~5 16), 1915#(<= ULTIMATE.start_main_~k~5 17), 1916#(<= ULTIMATE.start_main_~k~5 18), 1917#(<= ULTIMATE.start_main_~k~5 19), 1918#(<= ULTIMATE.start_main_~k~5 20), 1919#(<= ULTIMATE.start_main_~k~5 21)] [2018-07-23 13:40:36,228 INFO L134 CoverageAnalysis]: Checked inductivity of 276 backedges. 0 proven. 276 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2018-07-23 13:40:36,229 INFO L450 AbstractCegarLoop]: Interpolant automaton has 26 states [2018-07-23 13:40:36,229 INFO L132 InterpolantAutomaton]: Constructing interpolant automaton starting with 26 interpolants. [2018-07-23 13:40:36,230 INFO L133 InterpolantAutomaton]: CoverageRelationStatistics Valid=325, Invalid=325, Unknown=0, NotChecked=0, Total=650 [2018-07-23 13:40:36,230 INFO L87 Difference]: Start difference. First operand 27 states and 27 transitions. Second operand 26 states. [2018-07-23 13:40:36,255 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2018-07-23 13:40:36,256 INFO L93 Difference]: Finished difference Result 30 states and 30 transitions. [2018-07-23 13:40:36,256 INFO L142 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 26 states. [2018-07-23 13:40:36,256 INFO L78 Accepts]: Start accepts. Automaton has 26 states. Word has length 26 [2018-07-23 13:40:36,256 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2018-07-23 13:40:36,257 INFO L225 Difference]: With dead ends: 30 [2018-07-23 13:40:36,257 INFO L226 Difference]: Without dead ends: 28 [2018-07-23 13:40:36,258 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 13:40:36,258 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 28 states. [2018-07-23 13:40:36,268 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 28 to 28. [2018-07-23 13:40:36,269 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 28 states. [2018-07-23 13:40:36,269 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 28 states to 28 states and 28 transitions. [2018-07-23 13:40:36,270 INFO L78 Accepts]: Start accepts. Automaton has 28 states and 28 transitions. Word has length 26 [2018-07-23 13:40:36,270 INFO L84 Accepts]: Finished accepts. word is rejected. [2018-07-23 13:40:36,270 INFO L471 AbstractCegarLoop]: Abstraction has 28 states and 28 transitions. [2018-07-23 13:40:36,270 INFO L472 AbstractCegarLoop]: Interpolant automaton has 26 states. [2018-07-23 13:40:36,271 INFO L276 IsEmpty]: Start isEmpty. Operand 28 states and 28 transitions. [2018-07-23 13:40:36,272 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 28 [2018-07-23 13:40:36,272 INFO L349 BasicCegarLoop]: Found error trace [2018-07-23 13:40:36,274 INFO L357 BasicCegarLoop]: trace histogram [24, 1, 1, 1] [2018-07-23 13:40:36,274 INFO L414 AbstractCegarLoop]: === Iteration 25 === [ULTIMATE.startErr0AssertViolationASSERT]=== [2018-07-23 13:40:36,274 INFO L82 PathProgramCache]: Analyzing trace with hash -810295359, now seen corresponding path program 24 times [2018-07-23 13:40:36,274 INFO L69 tionRefinementEngine]: Using refinement strategy FixedRefinementStrategy [2018-07-23 13:40:36,288 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-07-23 13:40:36,398 INFO L134 CoverageAnalysis]: Checked inductivity of 300 backedges. 0 proven. 300 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2018-07-23 13:40:36,399 INFO L309 seRefinementStrategy]: Constructing automaton from 0 perfect and 1 imperfect interpolant sequences. [2018-07-23 13:40:36,399 INFO L324 seRefinementStrategy]: Number of different interpolants: perfect sequences [] imperfect sequences [26] total 26 [2018-07-23 13:40:36,400 INFO L142 lantAutomatonBuilder]: Constructing canonical interpolant automaton, with selfloop in false state [2018-07-23 13:40:36,400 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2018-07-23 13:40:36,400 INFO L185 omatonBuilderFactory]: Interpolants [2048#(<= ULTIMATE.start_main_~k~5 8), 2049#(<= ULTIMATE.start_main_~k~5 9), 2050#(<= ULTIMATE.start_main_~k~5 10), 2051#(<= ULTIMATE.start_main_~k~5 11), 2052#(<= ULTIMATE.start_main_~k~5 12), 2053#(<= ULTIMATE.start_main_~k~5 13), 2054#(<= ULTIMATE.start_main_~k~5 14), 2055#(<= ULTIMATE.start_main_~k~5 15), 2056#(<= ULTIMATE.start_main_~k~5 16), 2057#(<= ULTIMATE.start_main_~k~5 17), 2058#(<= ULTIMATE.start_main_~k~5 18), 2059#(<= ULTIMATE.start_main_~k~5 19), 2060#(<= ULTIMATE.start_main_~k~5 20), 2061#(<= ULTIMATE.start_main_~k~5 21), 2062#(<= ULTIMATE.start_main_~k~5 22), 2063#(<= ULTIMATE.start_main_~k~5 23), 2064#(<= ULTIMATE.start_main_~k~5 24), 2038#true, 2039#false, 2040#(<= ULTIMATE.start_main_~k~5 0), 2041#(<= ULTIMATE.start_main_~k~5 1), 2042#(<= ULTIMATE.start_main_~k~5 2), 2043#(<= ULTIMATE.start_main_~k~5 3), 2044#(<= ULTIMATE.start_main_~k~5 4), 2045#(<= ULTIMATE.start_main_~k~5 5), 2046#(<= ULTIMATE.start_main_~k~5 6), 2047#(<= ULTIMATE.start_main_~k~5 7)] [2018-07-23 13:40:36,401 INFO L134 CoverageAnalysis]: Checked inductivity of 300 backedges. 0 proven. 300 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2018-07-23 13:40:36,401 INFO L450 AbstractCegarLoop]: Interpolant automaton has 27 states [2018-07-23 13:40:36,402 INFO L132 InterpolantAutomaton]: Constructing interpolant automaton starting with 27 interpolants. [2018-07-23 13:40:36,402 INFO L133 InterpolantAutomaton]: CoverageRelationStatistics Valid=351, Invalid=351, Unknown=0, NotChecked=0, Total=702 [2018-07-23 13:40:36,402 INFO L87 Difference]: Start difference. First operand 28 states and 28 transitions. Second operand 27 states. [2018-07-23 13:40:36,430 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2018-07-23 13:40:36,430 INFO L93 Difference]: Finished difference Result 31 states and 31 transitions. [2018-07-23 13:40:36,431 INFO L142 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 27 states. [2018-07-23 13:40:36,431 INFO L78 Accepts]: Start accepts. Automaton has 27 states. Word has length 27 [2018-07-23 13:40:36,431 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2018-07-23 13:40:36,431 INFO L225 Difference]: With dead ends: 31 [2018-07-23 13:40:36,431 INFO L226 Difference]: Without dead ends: 29 [2018-07-23 13:40:36,432 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 13:40:36,432 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 29 states. [2018-07-23 13:40:36,437 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 29 to 29. [2018-07-23 13:40:36,438 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 29 states. [2018-07-23 13:40:36,438 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 29 states to 29 states and 29 transitions. [2018-07-23 13:40:36,438 INFO L78 Accepts]: Start accepts. Automaton has 29 states and 29 transitions. Word has length 27 [2018-07-23 13:40:36,439 INFO L84 Accepts]: Finished accepts. word is rejected. [2018-07-23 13:40:36,439 INFO L471 AbstractCegarLoop]: Abstraction has 29 states and 29 transitions. [2018-07-23 13:40:36,439 INFO L472 AbstractCegarLoop]: Interpolant automaton has 27 states. [2018-07-23 13:40:36,439 INFO L276 IsEmpty]: Start isEmpty. Operand 29 states and 29 transitions. [2018-07-23 13:40:36,443 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 29 [2018-07-23 13:40:36,443 INFO L349 BasicCegarLoop]: Found error trace [2018-07-23 13:40:36,443 INFO L357 BasicCegarLoop]: trace histogram [25, 1, 1, 1] [2018-07-23 13:40:36,444 INFO L414 AbstractCegarLoop]: === Iteration 26 === [ULTIMATE.startErr0AssertViolationASSERT]=== [2018-07-23 13:40:36,444 INFO L82 PathProgramCache]: Analyzing trace with hash 650645672, now seen corresponding path program 25 times [2018-07-23 13:40:36,444 INFO L69 tionRefinementEngine]: Using refinement strategy FixedRefinementStrategy [2018-07-23 13:40:36,462 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-07-23 13:40:36,571 INFO L134 CoverageAnalysis]: Checked inductivity of 325 backedges. 0 proven. 325 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2018-07-23 13:40:36,572 INFO L309 seRefinementStrategy]: Constructing automaton from 0 perfect and 1 imperfect interpolant sequences. [2018-07-23 13:40:36,572 INFO L324 seRefinementStrategy]: Number of different interpolants: perfect sequences [] imperfect sequences [27] total 27 [2018-07-23 13:40:36,572 INFO L142 lantAutomatonBuilder]: Constructing canonical interpolant automaton, with selfloop in false state [2018-07-23 13:40:36,573 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 13:40:36,574 INFO L185 omatonBuilderFactory]: Interpolants [2185#true, 2186#false, 2187#(<= ULTIMATE.start_main_~k~5 0), 2188#(<= ULTIMATE.start_main_~k~5 1), 2189#(<= ULTIMATE.start_main_~k~5 2), 2190#(<= ULTIMATE.start_main_~k~5 3), 2191#(<= ULTIMATE.start_main_~k~5 4), 2192#(<= ULTIMATE.start_main_~k~5 5), 2193#(<= ULTIMATE.start_main_~k~5 6), 2194#(<= ULTIMATE.start_main_~k~5 7), 2195#(<= ULTIMATE.start_main_~k~5 8), 2196#(<= ULTIMATE.start_main_~k~5 9), 2197#(<= ULTIMATE.start_main_~k~5 10), 2198#(<= ULTIMATE.start_main_~k~5 11), 2199#(<= ULTIMATE.start_main_~k~5 12), 2200#(<= ULTIMATE.start_main_~k~5 13), 2201#(<= ULTIMATE.start_main_~k~5 14), 2202#(<= ULTIMATE.start_main_~k~5 15), 2203#(<= ULTIMATE.start_main_~k~5 16), 2204#(<= ULTIMATE.start_main_~k~5 17), 2205#(<= ULTIMATE.start_main_~k~5 18), 2206#(<= ULTIMATE.start_main_~k~5 19), 2207#(<= ULTIMATE.start_main_~k~5 20), 2208#(<= ULTIMATE.start_main_~k~5 21), 2209#(<= ULTIMATE.start_main_~k~5 22), 2210#(<= ULTIMATE.start_main_~k~5 23), 2211#(<= ULTIMATE.start_main_~k~5 24), 2212#(<= ULTIMATE.start_main_~k~5 25)] [2018-07-23 13:40:36,574 INFO L134 CoverageAnalysis]: Checked inductivity of 325 backedges. 0 proven. 325 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2018-07-23 13:40:36,576 INFO L450 AbstractCegarLoop]: Interpolant automaton has 28 states [2018-07-23 13:40:36,577 INFO L132 InterpolantAutomaton]: Constructing interpolant automaton starting with 28 interpolants. [2018-07-23 13:40:36,577 INFO L133 InterpolantAutomaton]: CoverageRelationStatistics Valid=378, Invalid=378, Unknown=0, NotChecked=0, Total=756 [2018-07-23 13:40:36,578 INFO L87 Difference]: Start difference. First operand 29 states and 29 transitions. Second operand 28 states. [2018-07-23 13:40:36,601 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2018-07-23 13:40:36,601 INFO L93 Difference]: Finished difference Result 32 states and 32 transitions. [2018-07-23 13:40:36,602 INFO L142 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 28 states. [2018-07-23 13:40:36,602 INFO L78 Accepts]: Start accepts. Automaton has 28 states. Word has length 28 [2018-07-23 13:40:36,602 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2018-07-23 13:40:36,602 INFO L225 Difference]: With dead ends: 32 [2018-07-23 13:40:36,602 INFO L226 Difference]: Without dead ends: 30 [2018-07-23 13:40:36,603 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 13:40:36,605 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 30 states. [2018-07-23 13:40:36,607 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 30 to 30. [2018-07-23 13:40:36,607 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 30 states. [2018-07-23 13:40:36,608 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 30 states to 30 states and 30 transitions. [2018-07-23 13:40:36,608 INFO L78 Accepts]: Start accepts. Automaton has 30 states and 30 transitions. Word has length 28 [2018-07-23 13:40:36,608 INFO L84 Accepts]: Finished accepts. word is rejected. [2018-07-23 13:40:36,608 INFO L471 AbstractCegarLoop]: Abstraction has 30 states and 30 transitions. [2018-07-23 13:40:36,608 INFO L472 AbstractCegarLoop]: Interpolant automaton has 28 states. [2018-07-23 13:40:36,608 INFO L276 IsEmpty]: Start isEmpty. Operand 30 states and 30 transitions. [2018-07-23 13:40:36,609 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 30 [2018-07-23 13:40:36,609 INFO L349 BasicCegarLoop]: Found error trace [2018-07-23 13:40:36,609 INFO L357 BasicCegarLoop]: trace histogram [26, 1, 1, 1] [2018-07-23 13:40:36,609 INFO L414 AbstractCegarLoop]: === Iteration 27 === [ULTIMATE.startErr0AssertViolationASSERT]=== [2018-07-23 13:40:36,609 INFO L82 PathProgramCache]: Analyzing trace with hash -1304822623, now seen corresponding path program 26 times [2018-07-23 13:40:36,610 INFO L69 tionRefinementEngine]: Using refinement strategy FixedRefinementStrategy [2018-07-23 13:40:36,632 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-07-23 13:40:36,758 INFO L134 CoverageAnalysis]: Checked inductivity of 351 backedges. 0 proven. 351 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2018-07-23 13:40:36,758 INFO L309 seRefinementStrategy]: Constructing automaton from 0 perfect and 1 imperfect interpolant sequences. [2018-07-23 13:40:36,758 INFO L324 seRefinementStrategy]: Number of different interpolants: perfect sequences [] imperfect sequences [28] total 28 [2018-07-23 13:40:36,759 INFO L142 lantAutomatonBuilder]: Constructing canonical interpolant automaton, with selfloop in false state [2018-07-23 13:40:36,759 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2018-07-23 13:40:36,759 INFO L185 omatonBuilderFactory]: Interpolants [2337#true, 2338#false, 2339#(<= ULTIMATE.start_main_~k~5 0), 2340#(<= ULTIMATE.start_main_~k~5 1), 2341#(<= ULTIMATE.start_main_~k~5 2), 2342#(<= ULTIMATE.start_main_~k~5 3), 2343#(<= ULTIMATE.start_main_~k~5 4), 2344#(<= ULTIMATE.start_main_~k~5 5), 2345#(<= ULTIMATE.start_main_~k~5 6), 2346#(<= ULTIMATE.start_main_~k~5 7), 2347#(<= ULTIMATE.start_main_~k~5 8), 2348#(<= ULTIMATE.start_main_~k~5 9), 2349#(<= ULTIMATE.start_main_~k~5 10), 2350#(<= ULTIMATE.start_main_~k~5 11), 2351#(<= ULTIMATE.start_main_~k~5 12), 2352#(<= ULTIMATE.start_main_~k~5 13), 2353#(<= ULTIMATE.start_main_~k~5 14), 2354#(<= ULTIMATE.start_main_~k~5 15), 2355#(<= ULTIMATE.start_main_~k~5 16), 2356#(<= ULTIMATE.start_main_~k~5 17), 2357#(<= ULTIMATE.start_main_~k~5 18), 2358#(<= ULTIMATE.start_main_~k~5 19), 2359#(<= ULTIMATE.start_main_~k~5 20), 2360#(<= ULTIMATE.start_main_~k~5 21), 2361#(<= ULTIMATE.start_main_~k~5 22), 2362#(<= ULTIMATE.start_main_~k~5 23), 2363#(<= ULTIMATE.start_main_~k~5 24), 2364#(<= ULTIMATE.start_main_~k~5 25), 2365#(<= ULTIMATE.start_main_~k~5 26)] [2018-07-23 13:40:36,760 INFO L134 CoverageAnalysis]: Checked inductivity of 351 backedges. 0 proven. 351 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2018-07-23 13:40:36,760 INFO L450 AbstractCegarLoop]: Interpolant automaton has 29 states [2018-07-23 13:40:36,761 INFO L132 InterpolantAutomaton]: Constructing interpolant automaton starting with 29 interpolants. [2018-07-23 13:40:36,761 INFO L133 InterpolantAutomaton]: CoverageRelationStatistics Valid=406, Invalid=406, Unknown=0, NotChecked=0, Total=812 [2018-07-23 13:40:36,762 INFO L87 Difference]: Start difference. First operand 30 states and 30 transitions. Second operand 29 states. [2018-07-23 13:40:36,794 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2018-07-23 13:40:36,794 INFO L93 Difference]: Finished difference Result 33 states and 33 transitions. [2018-07-23 13:40:36,794 INFO L142 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 29 states. [2018-07-23 13:40:36,795 INFO L78 Accepts]: Start accepts. Automaton has 29 states. Word has length 29 [2018-07-23 13:40:36,795 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2018-07-23 13:40:36,795 INFO L225 Difference]: With dead ends: 33 [2018-07-23 13:40:36,795 INFO L226 Difference]: Without dead ends: 31 [2018-07-23 13:40:36,796 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 13:40:36,796 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 31 states. [2018-07-23 13:40:36,799 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 31 to 31. [2018-07-23 13:40:36,799 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 31 states. [2018-07-23 13:40:36,800 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 31 states to 31 states and 31 transitions. [2018-07-23 13:40:36,800 INFO L78 Accepts]: Start accepts. Automaton has 31 states and 31 transitions. Word has length 29 [2018-07-23 13:40:36,800 INFO L84 Accepts]: Finished accepts. word is rejected. [2018-07-23 13:40:36,801 INFO L471 AbstractCegarLoop]: Abstraction has 31 states and 31 transitions. [2018-07-23 13:40:36,801 INFO L472 AbstractCegarLoop]: Interpolant automaton has 29 states. [2018-07-23 13:40:36,801 INFO L276 IsEmpty]: Start isEmpty. Operand 31 states and 31 transitions. [2018-07-23 13:40:36,801 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 31 [2018-07-23 13:40:36,802 INFO L349 BasicCegarLoop]: Found error trace [2018-07-23 13:40:36,802 INFO L357 BasicCegarLoop]: trace histogram [27, 1, 1, 1] [2018-07-23 13:40:36,802 INFO L414 AbstractCegarLoop]: === Iteration 28 === [ULTIMATE.startErr0AssertViolationASSERT]=== [2018-07-23 13:40:36,803 INFO L82 PathProgramCache]: Analyzing trace with hash -1794797624, now seen corresponding path program 27 times [2018-07-23 13:40:36,803 INFO L69 tionRefinementEngine]: Using refinement strategy FixedRefinementStrategy [2018-07-23 13:40:36,818 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-07-23 13:40:36,941 INFO L134 CoverageAnalysis]: Checked inductivity of 378 backedges. 0 proven. 378 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2018-07-23 13:40:36,941 INFO L309 seRefinementStrategy]: Constructing automaton from 0 perfect and 1 imperfect interpolant sequences. [2018-07-23 13:40:36,941 INFO L324 seRefinementStrategy]: Number of different interpolants: perfect sequences [] imperfect sequences [29] total 29 [2018-07-23 13:40:36,942 INFO L142 lantAutomatonBuilder]: Constructing canonical interpolant automaton, with selfloop in false state [2018-07-23 13:40:36,942 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2018-07-23 13:40:36,942 INFO L185 omatonBuilderFactory]: Interpolants [2496#(<= ULTIMATE.start_main_~k~5 0), 2497#(<= ULTIMATE.start_main_~k~5 1), 2498#(<= ULTIMATE.start_main_~k~5 2), 2499#(<= ULTIMATE.start_main_~k~5 3), 2500#(<= ULTIMATE.start_main_~k~5 4), 2501#(<= ULTIMATE.start_main_~k~5 5), 2502#(<= ULTIMATE.start_main_~k~5 6), 2503#(<= ULTIMATE.start_main_~k~5 7), 2504#(<= ULTIMATE.start_main_~k~5 8), 2505#(<= ULTIMATE.start_main_~k~5 9), 2506#(<= ULTIMATE.start_main_~k~5 10), 2507#(<= ULTIMATE.start_main_~k~5 11), 2508#(<= ULTIMATE.start_main_~k~5 12), 2509#(<= ULTIMATE.start_main_~k~5 13), 2510#(<= ULTIMATE.start_main_~k~5 14), 2511#(<= ULTIMATE.start_main_~k~5 15), 2512#(<= ULTIMATE.start_main_~k~5 16), 2513#(<= ULTIMATE.start_main_~k~5 17), 2514#(<= ULTIMATE.start_main_~k~5 18), 2515#(<= ULTIMATE.start_main_~k~5 19), 2516#(<= ULTIMATE.start_main_~k~5 20), 2517#(<= ULTIMATE.start_main_~k~5 21), 2518#(<= ULTIMATE.start_main_~k~5 22), 2519#(<= ULTIMATE.start_main_~k~5 23), 2520#(<= ULTIMATE.start_main_~k~5 24), 2521#(<= ULTIMATE.start_main_~k~5 25), 2522#(<= ULTIMATE.start_main_~k~5 26), 2523#(<= ULTIMATE.start_main_~k~5 27), 2494#true, 2495#false] [2018-07-23 13:40:36,943 INFO L134 CoverageAnalysis]: Checked inductivity of 378 backedges. 0 proven. 378 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2018-07-23 13:40:36,946 INFO L450 AbstractCegarLoop]: Interpolant automaton has 30 states [2018-07-23 13:40:36,946 INFO L132 InterpolantAutomaton]: Constructing interpolant automaton starting with 30 interpolants. [2018-07-23 13:40:36,947 INFO L133 InterpolantAutomaton]: CoverageRelationStatistics Valid=435, Invalid=435, Unknown=0, NotChecked=0, Total=870 [2018-07-23 13:40:36,947 INFO L87 Difference]: Start difference. First operand 31 states and 31 transitions. Second operand 30 states. [2018-07-23 13:40:36,976 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2018-07-23 13:40:36,977 INFO L93 Difference]: Finished difference Result 34 states and 34 transitions. [2018-07-23 13:40:36,977 INFO L142 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 30 states. [2018-07-23 13:40:36,977 INFO L78 Accepts]: Start accepts. Automaton has 30 states. Word has length 30 [2018-07-23 13:40:36,977 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2018-07-23 13:40:36,978 INFO L225 Difference]: With dead ends: 34 [2018-07-23 13:40:36,978 INFO L226 Difference]: Without dead ends: 32 [2018-07-23 13:40:36,979 INFO L575 BasicCegarLoop]: 0 DeclaredPredicates, 29 GetRequests, 1 SyntacticMatches, 0 SemanticMatches, 28 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 0 ImplicationChecksByTransitivity, 0.0s TimeCoverageRelationStatistics Valid=435, Invalid=435, Unknown=0, NotChecked=0, Total=870 [2018-07-23 13:40:36,979 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 32 states. [2018-07-23 13:40:36,988 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 32 to 32. [2018-07-23 13:40:36,989 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 32 states. [2018-07-23 13:40:36,989 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 32 states to 32 states and 32 transitions. [2018-07-23 13:40:36,989 INFO L78 Accepts]: Start accepts. Automaton has 32 states and 32 transitions. Word has length 30 [2018-07-23 13:40:36,990 INFO L84 Accepts]: Finished accepts. word is rejected. [2018-07-23 13:40:36,990 INFO L471 AbstractCegarLoop]: Abstraction has 32 states and 32 transitions. [2018-07-23 13:40:36,990 INFO L472 AbstractCegarLoop]: Interpolant automaton has 30 states. [2018-07-23 13:40:36,990 INFO L276 IsEmpty]: Start isEmpty. Operand 32 states and 32 transitions. [2018-07-23 13:40:36,990 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 32 [2018-07-23 13:40:36,990 INFO L349 BasicCegarLoop]: Found error trace [2018-07-23 13:40:36,991 INFO L357 BasicCegarLoop]: trace histogram [28, 1, 1, 1] [2018-07-23 13:40:36,991 INFO L414 AbstractCegarLoop]: === Iteration 29 === [ULTIMATE.startErr0AssertViolationASSERT]=== [2018-07-23 13:40:36,991 INFO L82 PathProgramCache]: Analyzing trace with hash 195846529, now seen corresponding path program 28 times [2018-07-23 13:40:36,991 INFO L69 tionRefinementEngine]: Using refinement strategy FixedRefinementStrategy [2018-07-23 13:40:37,008 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-07-23 13:40:37,142 INFO L134 CoverageAnalysis]: Checked inductivity of 406 backedges. 0 proven. 406 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2018-07-23 13:40:37,142 INFO L309 seRefinementStrategy]: Constructing automaton from 0 perfect and 1 imperfect interpolant sequences. [2018-07-23 13:40:37,142 INFO L324 seRefinementStrategy]: Number of different interpolants: perfect sequences [] imperfect sequences [30] total 30 [2018-07-23 13:40:37,143 INFO L142 lantAutomatonBuilder]: Constructing canonical interpolant automaton, with selfloop in false state [2018-07-23 13:40:37,143 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2018-07-23 13:40:37,143 INFO L185 omatonBuilderFactory]: Interpolants [2656#true, 2657#false, 2658#(<= ULTIMATE.start_main_~k~5 0), 2659#(<= ULTIMATE.start_main_~k~5 1), 2660#(<= ULTIMATE.start_main_~k~5 2), 2661#(<= ULTIMATE.start_main_~k~5 3), 2662#(<= ULTIMATE.start_main_~k~5 4), 2663#(<= ULTIMATE.start_main_~k~5 5), 2664#(<= ULTIMATE.start_main_~k~5 6), 2665#(<= ULTIMATE.start_main_~k~5 7), 2666#(<= ULTIMATE.start_main_~k~5 8), 2667#(<= ULTIMATE.start_main_~k~5 9), 2668#(<= ULTIMATE.start_main_~k~5 10), 2669#(<= ULTIMATE.start_main_~k~5 11), 2670#(<= ULTIMATE.start_main_~k~5 12), 2671#(<= ULTIMATE.start_main_~k~5 13), 2672#(<= ULTIMATE.start_main_~k~5 14), 2673#(<= ULTIMATE.start_main_~k~5 15), 2674#(<= ULTIMATE.start_main_~k~5 16), 2675#(<= ULTIMATE.start_main_~k~5 17), 2676#(<= ULTIMATE.start_main_~k~5 18), 2677#(<= ULTIMATE.start_main_~k~5 19), 2678#(<= ULTIMATE.start_main_~k~5 20), 2679#(<= ULTIMATE.start_main_~k~5 21), 2680#(<= ULTIMATE.start_main_~k~5 22), 2681#(<= ULTIMATE.start_main_~k~5 23), 2682#(<= ULTIMATE.start_main_~k~5 24), 2683#(<= ULTIMATE.start_main_~k~5 25), 2684#(<= ULTIMATE.start_main_~k~5 26), 2685#(<= ULTIMATE.start_main_~k~5 27), 2686#(<= ULTIMATE.start_main_~k~5 28)] [2018-07-23 13:40:37,144 INFO L134 CoverageAnalysis]: Checked inductivity of 406 backedges. 0 proven. 406 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2018-07-23 13:40:37,144 INFO L450 AbstractCegarLoop]: Interpolant automaton has 31 states [2018-07-23 13:40:37,145 INFO L132 InterpolantAutomaton]: Constructing interpolant automaton starting with 31 interpolants. [2018-07-23 13:40:37,146 INFO L133 InterpolantAutomaton]: CoverageRelationStatistics Valid=465, Invalid=465, Unknown=0, NotChecked=0, Total=930 [2018-07-23 13:40:37,146 INFO L87 Difference]: Start difference. First operand 32 states and 32 transitions. Second operand 31 states. [2018-07-23 13:40:37,183 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2018-07-23 13:40:37,183 INFO L93 Difference]: Finished difference Result 35 states and 35 transitions. [2018-07-23 13:40:37,184 INFO L142 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 31 states. [2018-07-23 13:40:37,184 INFO L78 Accepts]: Start accepts. Automaton has 31 states. Word has length 31 [2018-07-23 13:40:37,184 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2018-07-23 13:40:37,184 INFO L225 Difference]: With dead ends: 35 [2018-07-23 13:40:37,185 INFO L226 Difference]: Without dead ends: 33 [2018-07-23 13:40:37,185 INFO L575 BasicCegarLoop]: 0 DeclaredPredicates, 30 GetRequests, 1 SyntacticMatches, 0 SemanticMatches, 29 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 0 ImplicationChecksByTransitivity, 0.1s TimeCoverageRelationStatistics Valid=465, Invalid=465, Unknown=0, NotChecked=0, Total=930 [2018-07-23 13:40:37,186 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 33 states. [2018-07-23 13:40:37,192 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 33 to 33. [2018-07-23 13:40:37,193 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 33 states. [2018-07-23 13:40:37,193 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 33 states to 33 states and 33 transitions. [2018-07-23 13:40:37,193 INFO L78 Accepts]: Start accepts. Automaton has 33 states and 33 transitions. Word has length 31 [2018-07-23 13:40:37,194 INFO L84 Accepts]: Finished accepts. word is rejected. [2018-07-23 13:40:37,194 INFO L471 AbstractCegarLoop]: Abstraction has 33 states and 33 transitions. [2018-07-23 13:40:37,194 INFO L472 AbstractCegarLoop]: Interpolant automaton has 31 states. [2018-07-23 13:40:37,194 INFO L276 IsEmpty]: Start isEmpty. Operand 33 states and 33 transitions. [2018-07-23 13:40:37,194 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 33 [2018-07-23 13:40:37,195 INFO L349 BasicCegarLoop]: Found error trace [2018-07-23 13:40:37,195 INFO L357 BasicCegarLoop]: trace histogram [29, 1, 1, 1] [2018-07-23 13:40:37,195 INFO L414 AbstractCegarLoop]: === Iteration 30 === [ULTIMATE.startErr0AssertViolationASSERT]=== [2018-07-23 13:40:37,195 INFO L82 PathProgramCache]: Analyzing trace with hash 1776273128, now seen corresponding path program 29 times [2018-07-23 13:40:37,195 INFO L69 tionRefinementEngine]: Using refinement strategy FixedRefinementStrategy [2018-07-23 13:40:37,217 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-07-23 13:40:37,345 INFO L134 CoverageAnalysis]: Checked inductivity of 435 backedges. 0 proven. 435 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2018-07-23 13:40:37,345 INFO L309 seRefinementStrategy]: Constructing automaton from 0 perfect and 1 imperfect interpolant sequences. [2018-07-23 13:40:37,346 INFO L324 seRefinementStrategy]: Number of different interpolants: perfect sequences [] imperfect sequences [31] total 31 [2018-07-23 13:40:37,346 INFO L142 lantAutomatonBuilder]: Constructing canonical interpolant automaton, with selfloop in false state [2018-07-23 13:40:37,346 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2018-07-23 13:40:37,346 INFO L185 omatonBuilderFactory]: Interpolants [2823#true, 2824#false, 2825#(<= ULTIMATE.start_main_~k~5 0), 2826#(<= ULTIMATE.start_main_~k~5 1), 2827#(<= ULTIMATE.start_main_~k~5 2), 2828#(<= ULTIMATE.start_main_~k~5 3), 2829#(<= ULTIMATE.start_main_~k~5 4), 2830#(<= ULTIMATE.start_main_~k~5 5), 2831#(<= ULTIMATE.start_main_~k~5 6), 2832#(<= ULTIMATE.start_main_~k~5 7), 2833#(<= ULTIMATE.start_main_~k~5 8), 2834#(<= ULTIMATE.start_main_~k~5 9), 2835#(<= ULTIMATE.start_main_~k~5 10), 2836#(<= ULTIMATE.start_main_~k~5 11), 2837#(<= ULTIMATE.start_main_~k~5 12), 2838#(<= ULTIMATE.start_main_~k~5 13), 2839#(<= ULTIMATE.start_main_~k~5 14), 2840#(<= ULTIMATE.start_main_~k~5 15), 2841#(<= ULTIMATE.start_main_~k~5 16), 2842#(<= ULTIMATE.start_main_~k~5 17), 2843#(<= ULTIMATE.start_main_~k~5 18), 2844#(<= ULTIMATE.start_main_~k~5 19), 2845#(<= ULTIMATE.start_main_~k~5 20), 2846#(<= ULTIMATE.start_main_~k~5 21), 2847#(<= ULTIMATE.start_main_~k~5 22), 2848#(<= ULTIMATE.start_main_~k~5 23), 2849#(<= ULTIMATE.start_main_~k~5 24), 2850#(<= ULTIMATE.start_main_~k~5 25), 2851#(<= ULTIMATE.start_main_~k~5 26), 2852#(<= ULTIMATE.start_main_~k~5 27), 2853#(<= ULTIMATE.start_main_~k~5 28), 2854#(<= ULTIMATE.start_main_~k~5 29)] [2018-07-23 13:40:37,347 INFO L134 CoverageAnalysis]: Checked inductivity of 435 backedges. 0 proven. 435 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2018-07-23 13:40:37,347 INFO L450 AbstractCegarLoop]: Interpolant automaton has 32 states [2018-07-23 13:40:37,348 INFO L132 InterpolantAutomaton]: Constructing interpolant automaton starting with 32 interpolants. [2018-07-23 13:40:37,348 INFO L133 InterpolantAutomaton]: CoverageRelationStatistics Valid=496, Invalid=496, Unknown=0, NotChecked=0, Total=992 [2018-07-23 13:40:37,348 INFO L87 Difference]: Start difference. First operand 33 states and 33 transitions. Second operand 32 states. [2018-07-23 13:40:37,386 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2018-07-23 13:40:37,386 INFO L93 Difference]: Finished difference Result 36 states and 36 transitions. [2018-07-23 13:40:37,386 INFO L142 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 32 states. [2018-07-23 13:40:37,386 INFO L78 Accepts]: Start accepts. Automaton has 32 states. Word has length 32 [2018-07-23 13:40:37,387 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2018-07-23 13:40:37,387 INFO L225 Difference]: With dead ends: 36 [2018-07-23 13:40:37,387 INFO L226 Difference]: Without dead ends: 34 [2018-07-23 13:40:37,388 INFO L575 BasicCegarLoop]: 0 DeclaredPredicates, 31 GetRequests, 1 SyntacticMatches, 0 SemanticMatches, 30 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 0 ImplicationChecksByTransitivity, 0.0s TimeCoverageRelationStatistics Valid=496, Invalid=496, Unknown=0, NotChecked=0, Total=992 [2018-07-23 13:40:37,389 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 34 states. [2018-07-23 13:40:37,391 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 34 to 34. [2018-07-23 13:40:37,392 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 34 states. [2018-07-23 13:40:37,392 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 34 states to 34 states and 34 transitions. [2018-07-23 13:40:37,392 INFO L78 Accepts]: Start accepts. Automaton has 34 states and 34 transitions. Word has length 32 [2018-07-23 13:40:37,392 INFO L84 Accepts]: Finished accepts. word is rejected. [2018-07-23 13:40:37,393 INFO L471 AbstractCegarLoop]: Abstraction has 34 states and 34 transitions. [2018-07-23 13:40:37,393 INFO L472 AbstractCegarLoop]: Interpolant automaton has 32 states. [2018-07-23 13:40:37,420 INFO L276 IsEmpty]: Start isEmpty. Operand 34 states and 34 transitions. [2018-07-23 13:40:37,420 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 34 [2018-07-23 13:40:37,420 INFO L349 BasicCegarLoop]: Found error trace [2018-07-23 13:40:37,421 INFO L357 BasicCegarLoop]: trace histogram [30, 1, 1, 1] [2018-07-23 13:40:37,421 INFO L414 AbstractCegarLoop]: === Iteration 31 === [ULTIMATE.startErr0AssertViolationASSERT]=== [2018-07-23 13:40:37,421 INFO L82 PathProgramCache]: Analyzing trace with hash -770109855, now seen corresponding path program 30 times [2018-07-23 13:40:37,421 INFO L69 tionRefinementEngine]: Using refinement strategy FixedRefinementStrategy [2018-07-23 13:40:37,479 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-07-23 13:40:37,623 INFO L134 CoverageAnalysis]: Checked inductivity of 465 backedges. 0 proven. 465 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2018-07-23 13:40:37,623 INFO L309 seRefinementStrategy]: Constructing automaton from 0 perfect and 1 imperfect interpolant sequences. [2018-07-23 13:40:37,624 INFO L324 seRefinementStrategy]: Number of different interpolants: perfect sequences [] imperfect sequences [32] total 32 [2018-07-23 13:40:37,624 INFO L142 lantAutomatonBuilder]: Constructing canonical interpolant automaton, with selfloop in false state [2018-07-23 13:40:37,624 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2018-07-23 13:40:37,624 INFO L185 omatonBuilderFactory]: Interpolants [3008#(<= ULTIMATE.start_main_~k~5 11), 3009#(<= ULTIMATE.start_main_~k~5 12), 3010#(<= ULTIMATE.start_main_~k~5 13), 3011#(<= ULTIMATE.start_main_~k~5 14), 3012#(<= ULTIMATE.start_main_~k~5 15), 3013#(<= ULTIMATE.start_main_~k~5 16), 3014#(<= ULTIMATE.start_main_~k~5 17), 3015#(<= ULTIMATE.start_main_~k~5 18), 3016#(<= ULTIMATE.start_main_~k~5 19), 3017#(<= ULTIMATE.start_main_~k~5 20), 3018#(<= ULTIMATE.start_main_~k~5 21), 3019#(<= ULTIMATE.start_main_~k~5 22), 3020#(<= ULTIMATE.start_main_~k~5 23), 3021#(<= ULTIMATE.start_main_~k~5 24), 3022#(<= ULTIMATE.start_main_~k~5 25), 3023#(<= ULTIMATE.start_main_~k~5 26), 3024#(<= ULTIMATE.start_main_~k~5 27), 3025#(<= ULTIMATE.start_main_~k~5 28), 3026#(<= ULTIMATE.start_main_~k~5 29), 3027#(<= ULTIMATE.start_main_~k~5 30), 2995#true, 2996#false, 2997#(<= ULTIMATE.start_main_~k~5 0), 2998#(<= ULTIMATE.start_main_~k~5 1), 2999#(<= ULTIMATE.start_main_~k~5 2), 3000#(<= ULTIMATE.start_main_~k~5 3), 3001#(<= ULTIMATE.start_main_~k~5 4), 3002#(<= ULTIMATE.start_main_~k~5 5), 3003#(<= ULTIMATE.start_main_~k~5 6), 3004#(<= ULTIMATE.start_main_~k~5 7), 3005#(<= ULTIMATE.start_main_~k~5 8), 3006#(<= ULTIMATE.start_main_~k~5 9), 3007#(<= ULTIMATE.start_main_~k~5 10)] [2018-07-23 13:40:37,625 INFO L134 CoverageAnalysis]: Checked inductivity of 465 backedges. 0 proven. 465 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2018-07-23 13:40:37,625 INFO L450 AbstractCegarLoop]: Interpolant automaton has 33 states [2018-07-23 13:40:37,625 INFO L132 InterpolantAutomaton]: Constructing interpolant automaton starting with 33 interpolants. [2018-07-23 13:40:37,626 INFO L133 InterpolantAutomaton]: CoverageRelationStatistics Valid=528, Invalid=528, Unknown=0, NotChecked=0, Total=1056 [2018-07-23 13:40:37,626 INFO L87 Difference]: Start difference. First operand 34 states and 34 transitions. Second operand 33 states. [2018-07-23 13:40:37,646 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2018-07-23 13:40:37,647 INFO L93 Difference]: Finished difference Result 37 states and 37 transitions. [2018-07-23 13:40:37,647 INFO L142 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 33 states. [2018-07-23 13:40:37,647 INFO L78 Accepts]: Start accepts. Automaton has 33 states. Word has length 33 [2018-07-23 13:40:37,647 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2018-07-23 13:40:37,648 INFO L225 Difference]: With dead ends: 37 [2018-07-23 13:40:37,648 INFO L226 Difference]: Without dead ends: 35 [2018-07-23 13:40:37,649 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 13:40:37,649 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 35 states. [2018-07-23 13:40:37,651 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 35 to 35. [2018-07-23 13:40:37,651 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 35 states. [2018-07-23 13:40:37,651 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 35 states to 35 states and 35 transitions. [2018-07-23 13:40:37,651 INFO L78 Accepts]: Start accepts. Automaton has 35 states and 35 transitions. Word has length 33 [2018-07-23 13:40:37,651 INFO L84 Accepts]: Finished accepts. word is rejected. [2018-07-23 13:40:37,652 INFO L471 AbstractCegarLoop]: Abstraction has 35 states and 35 transitions. [2018-07-23 13:40:37,652 INFO L472 AbstractCegarLoop]: Interpolant automaton has 33 states. [2018-07-23 13:40:37,652 INFO L276 IsEmpty]: Start isEmpty. Operand 35 states and 35 transitions. [2018-07-23 13:40:37,652 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 35 [2018-07-23 13:40:37,652 INFO L349 BasicCegarLoop]: Found error trace [2018-07-23 13:40:37,652 INFO L357 BasicCegarLoop]: trace histogram [31, 1, 1, 1] [2018-07-23 13:40:37,652 INFO L414 AbstractCegarLoop]: === Iteration 32 === [ULTIMATE.startErr0AssertViolationASSERT]=== [2018-07-23 13:40:37,653 INFO L82 PathProgramCache]: Analyzing trace with hash 1896396296, now seen corresponding path program 31 times [2018-07-23 13:40:37,653 INFO L69 tionRefinementEngine]: Using refinement strategy FixedRefinementStrategy [2018-07-23 13:40:37,665 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-07-23 13:40:37,797 INFO L134 CoverageAnalysis]: Checked inductivity of 496 backedges. 0 proven. 496 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2018-07-23 13:40:37,798 INFO L309 seRefinementStrategy]: Constructing automaton from 0 perfect and 1 imperfect interpolant sequences. [2018-07-23 13:40:37,798 INFO L324 seRefinementStrategy]: Number of different interpolants: perfect sequences [] imperfect sequences [33] total 33 [2018-07-23 13:40:37,798 INFO L142 lantAutomatonBuilder]: Constructing canonical interpolant automaton, with selfloop in false state [2018-07-23 13:40:37,798 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2018-07-23 13:40:37,798 INFO L185 omatonBuilderFactory]: Interpolants [3200#(<= ULTIMATE.start_main_~k~5 26), 3201#(<= ULTIMATE.start_main_~k~5 27), 3202#(<= ULTIMATE.start_main_~k~5 28), 3203#(<= ULTIMATE.start_main_~k~5 29), 3204#(<= ULTIMATE.start_main_~k~5 30), 3205#(<= ULTIMATE.start_main_~k~5 31), 3172#true, 3173#false, 3174#(<= ULTIMATE.start_main_~k~5 0), 3175#(<= ULTIMATE.start_main_~k~5 1), 3176#(<= ULTIMATE.start_main_~k~5 2), 3177#(<= ULTIMATE.start_main_~k~5 3), 3178#(<= ULTIMATE.start_main_~k~5 4), 3179#(<= ULTIMATE.start_main_~k~5 5), 3180#(<= ULTIMATE.start_main_~k~5 6), 3181#(<= ULTIMATE.start_main_~k~5 7), 3182#(<= ULTIMATE.start_main_~k~5 8), 3183#(<= ULTIMATE.start_main_~k~5 9), 3184#(<= ULTIMATE.start_main_~k~5 10), 3185#(<= ULTIMATE.start_main_~k~5 11), 3186#(<= ULTIMATE.start_main_~k~5 12), 3187#(<= ULTIMATE.start_main_~k~5 13), 3188#(<= ULTIMATE.start_main_~k~5 14), 3189#(<= ULTIMATE.start_main_~k~5 15), 3190#(<= ULTIMATE.start_main_~k~5 16), 3191#(<= ULTIMATE.start_main_~k~5 17), 3192#(<= ULTIMATE.start_main_~k~5 18), 3193#(<= ULTIMATE.start_main_~k~5 19), 3194#(<= ULTIMATE.start_main_~k~5 20), 3195#(<= ULTIMATE.start_main_~k~5 21), 3196#(<= ULTIMATE.start_main_~k~5 22), 3197#(<= ULTIMATE.start_main_~k~5 23), 3198#(<= ULTIMATE.start_main_~k~5 24), 3199#(<= ULTIMATE.start_main_~k~5 25)] [2018-07-23 13:40:37,799 INFO L134 CoverageAnalysis]: Checked inductivity of 496 backedges. 0 proven. 496 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2018-07-23 13:40:37,799 INFO L450 AbstractCegarLoop]: Interpolant automaton has 34 states [2018-07-23 13:40:37,800 INFO L132 InterpolantAutomaton]: Constructing interpolant automaton starting with 34 interpolants. [2018-07-23 13:40:37,800 INFO L133 InterpolantAutomaton]: CoverageRelationStatistics Valid=561, Invalid=561, Unknown=0, NotChecked=0, Total=1122 [2018-07-23 13:40:37,800 INFO L87 Difference]: Start difference. First operand 35 states and 35 transitions. Second operand 34 states. [2018-07-23 13:40:37,840 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2018-07-23 13:40:37,840 INFO L93 Difference]: Finished difference Result 38 states and 38 transitions. [2018-07-23 13:40:37,841 INFO L142 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 34 states. [2018-07-23 13:40:37,841 INFO L78 Accepts]: Start accepts. Automaton has 34 states. Word has length 34 [2018-07-23 13:40:37,841 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2018-07-23 13:40:37,841 INFO L225 Difference]: With dead ends: 38 [2018-07-23 13:40:37,841 INFO L226 Difference]: Without dead ends: 36 [2018-07-23 13:40:37,844 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 13:40:37,845 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 36 states. [2018-07-23 13:40:37,850 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 36 to 36. [2018-07-23 13:40:37,850 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 36 states. [2018-07-23 13:40:37,850 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 36 states to 36 states and 36 transitions. [2018-07-23 13:40:37,851 INFO L78 Accepts]: Start accepts. Automaton has 36 states and 36 transitions. Word has length 34 [2018-07-23 13:40:37,851 INFO L84 Accepts]: Finished accepts. word is rejected. [2018-07-23 13:40:37,851 INFO L471 AbstractCegarLoop]: Abstraction has 36 states and 36 transitions. [2018-07-23 13:40:37,851 INFO L472 AbstractCegarLoop]: Interpolant automaton has 34 states. [2018-07-23 13:40:37,851 INFO L276 IsEmpty]: Start isEmpty. Operand 36 states and 36 transitions. [2018-07-23 13:40:37,851 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 36 [2018-07-23 13:40:37,852 INFO L349 BasicCegarLoop]: Found error trace [2018-07-23 13:40:37,852 INFO L357 BasicCegarLoop]: trace histogram [32, 1, 1, 1] [2018-07-23 13:40:37,852 INFO L414 AbstractCegarLoop]: === Iteration 33 === [ULTIMATE.startErr0AssertViolationASSERT]=== [2018-07-23 13:40:37,852 INFO L82 PathProgramCache]: Analyzing trace with hash -1341258943, now seen corresponding path program 32 times [2018-07-23 13:40:37,852 INFO L69 tionRefinementEngine]: Using refinement strategy FixedRefinementStrategy [2018-07-23 13:40:37,880 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-07-23 13:40:38,035 INFO L134 CoverageAnalysis]: Checked inductivity of 528 backedges. 0 proven. 528 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2018-07-23 13:40:38,035 INFO L309 seRefinementStrategy]: Constructing automaton from 0 perfect and 1 imperfect interpolant sequences. [2018-07-23 13:40:38,035 INFO L324 seRefinementStrategy]: Number of different interpolants: perfect sequences [] imperfect sequences [34] total 34 [2018-07-23 13:40:38,036 INFO L142 lantAutomatonBuilder]: Constructing canonical interpolant automaton, with selfloop in false state [2018-07-23 13:40:38,036 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2018-07-23 13:40:38,036 INFO L185 omatonBuilderFactory]: Interpolants [3354#true, 3355#false, 3356#(<= ULTIMATE.start_main_~k~5 0), 3357#(<= ULTIMATE.start_main_~k~5 1), 3358#(<= ULTIMATE.start_main_~k~5 2), 3359#(<= ULTIMATE.start_main_~k~5 3), 3360#(<= ULTIMATE.start_main_~k~5 4), 3361#(<= ULTIMATE.start_main_~k~5 5), 3362#(<= ULTIMATE.start_main_~k~5 6), 3363#(<= ULTIMATE.start_main_~k~5 7), 3364#(<= ULTIMATE.start_main_~k~5 8), 3365#(<= ULTIMATE.start_main_~k~5 9), 3366#(<= ULTIMATE.start_main_~k~5 10), 3367#(<= ULTIMATE.start_main_~k~5 11), 3368#(<= ULTIMATE.start_main_~k~5 12), 3369#(<= ULTIMATE.start_main_~k~5 13), 3370#(<= ULTIMATE.start_main_~k~5 14), 3371#(<= ULTIMATE.start_main_~k~5 15), 3372#(<= ULTIMATE.start_main_~k~5 16), 3373#(<= ULTIMATE.start_main_~k~5 17), 3374#(<= ULTIMATE.start_main_~k~5 18), 3375#(<= ULTIMATE.start_main_~k~5 19), 3376#(<= ULTIMATE.start_main_~k~5 20), 3377#(<= ULTIMATE.start_main_~k~5 21), 3378#(<= ULTIMATE.start_main_~k~5 22), 3379#(<= ULTIMATE.start_main_~k~5 23), 3380#(<= ULTIMATE.start_main_~k~5 24), 3381#(<= ULTIMATE.start_main_~k~5 25), 3382#(<= ULTIMATE.start_main_~k~5 26), 3383#(<= ULTIMATE.start_main_~k~5 27), 3384#(<= ULTIMATE.start_main_~k~5 28), 3385#(<= ULTIMATE.start_main_~k~5 29), 3386#(<= ULTIMATE.start_main_~k~5 30), 3387#(<= ULTIMATE.start_main_~k~5 31), 3388#(<= ULTIMATE.start_main_~k~5 32)] [2018-07-23 13:40:38,037 INFO L134 CoverageAnalysis]: Checked inductivity of 528 backedges. 0 proven. 528 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2018-07-23 13:40:38,037 INFO L450 AbstractCegarLoop]: Interpolant automaton has 35 states [2018-07-23 13:40:38,038 INFO L132 InterpolantAutomaton]: Constructing interpolant automaton starting with 35 interpolants. [2018-07-23 13:40:38,038 INFO L133 InterpolantAutomaton]: CoverageRelationStatistics Valid=595, Invalid=595, Unknown=0, NotChecked=0, Total=1190 [2018-07-23 13:40:38,040 INFO L87 Difference]: Start difference. First operand 36 states and 36 transitions. Second operand 35 states. [2018-07-23 13:40:38,063 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2018-07-23 13:40:38,063 INFO L93 Difference]: Finished difference Result 39 states and 39 transitions. [2018-07-23 13:40:38,064 INFO L142 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 35 states. [2018-07-23 13:40:38,064 INFO L78 Accepts]: Start accepts. Automaton has 35 states. Word has length 35 [2018-07-23 13:40:38,064 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2018-07-23 13:40:38,064 INFO L225 Difference]: With dead ends: 39 [2018-07-23 13:40:38,065 INFO L226 Difference]: Without dead ends: 37 [2018-07-23 13:40:38,066 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 13:40:38,066 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 37 states. [2018-07-23 13:40:38,072 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 37 to 37. [2018-07-23 13:40:38,073 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 37 states. [2018-07-23 13:40:38,073 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 37 states to 37 states and 37 transitions. [2018-07-23 13:40:38,073 INFO L78 Accepts]: Start accepts. Automaton has 37 states and 37 transitions. Word has length 35 [2018-07-23 13:40:38,073 INFO L84 Accepts]: Finished accepts. word is rejected. [2018-07-23 13:40:38,073 INFO L471 AbstractCegarLoop]: Abstraction has 37 states and 37 transitions. [2018-07-23 13:40:38,073 INFO L472 AbstractCegarLoop]: Interpolant automaton has 35 states. [2018-07-23 13:40:38,074 INFO L276 IsEmpty]: Start isEmpty. Operand 37 states and 37 transitions. [2018-07-23 13:40:38,074 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 37 [2018-07-23 13:40:38,074 INFO L349 BasicCegarLoop]: Found error trace [2018-07-23 13:40:38,074 INFO L357 BasicCegarLoop]: trace histogram [33, 1, 1, 1] [2018-07-23 13:40:38,075 INFO L414 AbstractCegarLoop]: === Iteration 34 === [ULTIMATE.startErr0AssertViolationASSERT]=== [2018-07-23 13:40:38,075 INFO L82 PathProgramCache]: Analyzing trace with hash 1370643752, now seen corresponding path program 33 times [2018-07-23 13:40:38,075 INFO L69 tionRefinementEngine]: Using refinement strategy FixedRefinementStrategy [2018-07-23 13:40:38,089 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-07-23 13:40:38,235 INFO L134 CoverageAnalysis]: Checked inductivity of 561 backedges. 0 proven. 561 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2018-07-23 13:40:38,236 INFO L309 seRefinementStrategy]: Constructing automaton from 0 perfect and 1 imperfect interpolant sequences. [2018-07-23 13:40:38,236 INFO L324 seRefinementStrategy]: Number of different interpolants: perfect sequences [] imperfect sequences [35] total 35 [2018-07-23 13:40:38,236 INFO L142 lantAutomatonBuilder]: Constructing canonical interpolant automaton, with selfloop in false state [2018-07-23 13:40:38,236 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2018-07-23 13:40:38,236 INFO L185 omatonBuilderFactory]: Interpolants [3541#true, 3542#false, 3543#(<= ULTIMATE.start_main_~k~5 0), 3544#(<= ULTIMATE.start_main_~k~5 1), 3545#(<= ULTIMATE.start_main_~k~5 2), 3546#(<= ULTIMATE.start_main_~k~5 3), 3547#(<= ULTIMATE.start_main_~k~5 4), 3548#(<= ULTIMATE.start_main_~k~5 5), 3549#(<= ULTIMATE.start_main_~k~5 6), 3550#(<= ULTIMATE.start_main_~k~5 7), 3551#(<= ULTIMATE.start_main_~k~5 8), 3552#(<= ULTIMATE.start_main_~k~5 9), 3553#(<= ULTIMATE.start_main_~k~5 10), 3554#(<= ULTIMATE.start_main_~k~5 11), 3555#(<= ULTIMATE.start_main_~k~5 12), 3556#(<= ULTIMATE.start_main_~k~5 13), 3557#(<= ULTIMATE.start_main_~k~5 14), 3558#(<= ULTIMATE.start_main_~k~5 15), 3559#(<= ULTIMATE.start_main_~k~5 16), 3560#(<= ULTIMATE.start_main_~k~5 17), 3561#(<= ULTIMATE.start_main_~k~5 18), 3562#(<= ULTIMATE.start_main_~k~5 19), 3563#(<= ULTIMATE.start_main_~k~5 20), 3564#(<= ULTIMATE.start_main_~k~5 21), 3565#(<= ULTIMATE.start_main_~k~5 22), 3566#(<= ULTIMATE.start_main_~k~5 23), 3567#(<= ULTIMATE.start_main_~k~5 24), 3568#(<= ULTIMATE.start_main_~k~5 25), 3569#(<= ULTIMATE.start_main_~k~5 26), 3570#(<= ULTIMATE.start_main_~k~5 27), 3571#(<= ULTIMATE.start_main_~k~5 28), 3572#(<= ULTIMATE.start_main_~k~5 29), 3573#(<= ULTIMATE.start_main_~k~5 30), 3574#(<= ULTIMATE.start_main_~k~5 31), 3575#(<= ULTIMATE.start_main_~k~5 32), 3576#(<= ULTIMATE.start_main_~k~5 33)] [2018-07-23 13:40:38,237 INFO L134 CoverageAnalysis]: Checked inductivity of 561 backedges. 0 proven. 561 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2018-07-23 13:40:38,237 INFO L450 AbstractCegarLoop]: Interpolant automaton has 36 states [2018-07-23 13:40:38,237 INFO L132 InterpolantAutomaton]: Constructing interpolant automaton starting with 36 interpolants. [2018-07-23 13:40:38,238 INFO L133 InterpolantAutomaton]: CoverageRelationStatistics Valid=630, Invalid=630, Unknown=0, NotChecked=0, Total=1260 [2018-07-23 13:40:38,238 INFO L87 Difference]: Start difference. First operand 37 states and 37 transitions. Second operand 36 states. [2018-07-23 13:40:38,267 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2018-07-23 13:40:38,267 INFO L93 Difference]: Finished difference Result 40 states and 40 transitions. [2018-07-23 13:40:38,267 INFO L142 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 36 states. [2018-07-23 13:40:38,267 INFO L78 Accepts]: Start accepts. Automaton has 36 states. Word has length 36 [2018-07-23 13:40:38,268 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2018-07-23 13:40:38,268 INFO L225 Difference]: With dead ends: 40 [2018-07-23 13:40:38,268 INFO L226 Difference]: Without dead ends: 38 [2018-07-23 13:40:38,269 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 13:40:38,270 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 38 states. [2018-07-23 13:40:38,272 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 38 to 38. [2018-07-23 13:40:38,272 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 38 states. [2018-07-23 13:40:38,273 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 38 states to 38 states and 38 transitions. [2018-07-23 13:40:38,273 INFO L78 Accepts]: Start accepts. Automaton has 38 states and 38 transitions. Word has length 36 [2018-07-23 13:40:38,273 INFO L84 Accepts]: Finished accepts. word is rejected. [2018-07-23 13:40:38,273 INFO L471 AbstractCegarLoop]: Abstraction has 38 states and 38 transitions. [2018-07-23 13:40:38,273 INFO L472 AbstractCegarLoop]: Interpolant automaton has 36 states. [2018-07-23 13:40:38,273 INFO L276 IsEmpty]: Start isEmpty. Operand 38 states and 38 transitions. [2018-07-23 13:40:38,274 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 38 [2018-07-23 13:40:38,274 INFO L349 BasicCegarLoop]: Found error trace [2018-07-23 13:40:38,274 INFO L357 BasicCegarLoop]: trace histogram [34, 1, 1, 1] [2018-07-23 13:40:38,274 INFO L414 AbstractCegarLoop]: === Iteration 35 === [ULTIMATE.startErr0AssertViolationASSERT]=== [2018-07-23 13:40:38,274 INFO L82 PathProgramCache]: Analyzing trace with hash -459718623, now seen corresponding path program 34 times [2018-07-23 13:40:38,274 INFO L69 tionRefinementEngine]: Using refinement strategy FixedRefinementStrategy [2018-07-23 13:40:38,289 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-07-23 13:40:38,451 INFO L134 CoverageAnalysis]: Checked inductivity of 595 backedges. 0 proven. 595 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2018-07-23 13:40:38,451 INFO L309 seRefinementStrategy]: Constructing automaton from 0 perfect and 1 imperfect interpolant sequences. [2018-07-23 13:40:38,452 INFO L324 seRefinementStrategy]: Number of different interpolants: perfect sequences [] imperfect sequences [36] total 36 [2018-07-23 13:40:38,452 INFO L142 lantAutomatonBuilder]: Constructing canonical interpolant automaton, with selfloop in false state [2018-07-23 13:40:38,453 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2018-07-23 13:40:38,453 INFO L185 omatonBuilderFactory]: Interpolants [3733#true, 3734#false, 3735#(<= ULTIMATE.start_main_~k~5 0), 3736#(<= ULTIMATE.start_main_~k~5 1), 3737#(<= ULTIMATE.start_main_~k~5 2), 3738#(<= ULTIMATE.start_main_~k~5 3), 3739#(<= ULTIMATE.start_main_~k~5 4), 3740#(<= ULTIMATE.start_main_~k~5 5), 3741#(<= ULTIMATE.start_main_~k~5 6), 3742#(<= ULTIMATE.start_main_~k~5 7), 3743#(<= ULTIMATE.start_main_~k~5 8), 3744#(<= ULTIMATE.start_main_~k~5 9), 3745#(<= ULTIMATE.start_main_~k~5 10), 3746#(<= ULTIMATE.start_main_~k~5 11), 3747#(<= ULTIMATE.start_main_~k~5 12), 3748#(<= ULTIMATE.start_main_~k~5 13), 3749#(<= ULTIMATE.start_main_~k~5 14), 3750#(<= ULTIMATE.start_main_~k~5 15), 3751#(<= ULTIMATE.start_main_~k~5 16), 3752#(<= ULTIMATE.start_main_~k~5 17), 3753#(<= ULTIMATE.start_main_~k~5 18), 3754#(<= ULTIMATE.start_main_~k~5 19), 3755#(<= ULTIMATE.start_main_~k~5 20), 3756#(<= ULTIMATE.start_main_~k~5 21), 3757#(<= ULTIMATE.start_main_~k~5 22), 3758#(<= ULTIMATE.start_main_~k~5 23), 3759#(<= ULTIMATE.start_main_~k~5 24), 3760#(<= ULTIMATE.start_main_~k~5 25), 3761#(<= ULTIMATE.start_main_~k~5 26), 3762#(<= ULTIMATE.start_main_~k~5 27), 3763#(<= ULTIMATE.start_main_~k~5 28), 3764#(<= ULTIMATE.start_main_~k~5 29), 3765#(<= ULTIMATE.start_main_~k~5 30), 3766#(<= ULTIMATE.start_main_~k~5 31), 3767#(<= ULTIMATE.start_main_~k~5 32), 3768#(<= ULTIMATE.start_main_~k~5 33), 3769#(<= ULTIMATE.start_main_~k~5 34)] [2018-07-23 13:40:38,454 INFO L134 CoverageAnalysis]: Checked inductivity of 595 backedges. 0 proven. 595 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2018-07-23 13:40:38,454 INFO L450 AbstractCegarLoop]: Interpolant automaton has 37 states [2018-07-23 13:40:38,454 INFO L132 InterpolantAutomaton]: Constructing interpolant automaton starting with 37 interpolants. [2018-07-23 13:40:38,455 INFO L133 InterpolantAutomaton]: CoverageRelationStatistics Valid=666, Invalid=666, Unknown=0, NotChecked=0, Total=1332 [2018-07-23 13:40:38,455 INFO L87 Difference]: Start difference. First operand 38 states and 38 transitions. Second operand 37 states. [2018-07-23 13:40:38,482 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2018-07-23 13:40:38,482 INFO L93 Difference]: Finished difference Result 41 states and 41 transitions. [2018-07-23 13:40:38,482 INFO L142 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 37 states. [2018-07-23 13:40:38,482 INFO L78 Accepts]: Start accepts. Automaton has 37 states. Word has length 37 [2018-07-23 13:40:38,482 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2018-07-23 13:40:38,483 INFO L225 Difference]: With dead ends: 41 [2018-07-23 13:40:38,483 INFO L226 Difference]: Without dead ends: 39 [2018-07-23 13:40:38,484 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 13:40:38,484 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 39 states. [2018-07-23 13:40:38,486 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 39 to 39. [2018-07-23 13:40:38,486 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 39 states. [2018-07-23 13:40:38,486 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 39 states to 39 states and 39 transitions. [2018-07-23 13:40:38,494 INFO L78 Accepts]: Start accepts. Automaton has 39 states and 39 transitions. Word has length 37 [2018-07-23 13:40:38,495 INFO L84 Accepts]: Finished accepts. word is rejected. [2018-07-23 13:40:38,495 INFO L471 AbstractCegarLoop]: Abstraction has 39 states and 39 transitions. [2018-07-23 13:40:38,495 INFO L472 AbstractCegarLoop]: Interpolant automaton has 37 states. [2018-07-23 13:40:38,495 INFO L276 IsEmpty]: Start isEmpty. Operand 39 states and 39 transitions. [2018-07-23 13:40:38,495 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 39 [2018-07-23 13:40:38,495 INFO L349 BasicCegarLoop]: Found error trace [2018-07-23 13:40:38,496 INFO L357 BasicCegarLoop]: trace histogram [35, 1, 1, 1] [2018-07-23 13:40:38,496 INFO L414 AbstractCegarLoop]: === Iteration 36 === [ULTIMATE.startErr0AssertViolationASSERT]=== [2018-07-23 13:40:38,496 INFO L82 PathProgramCache]: Analyzing trace with hash -1366377400, now seen corresponding path program 35 times [2018-07-23 13:40:38,496 INFO L69 tionRefinementEngine]: Using refinement strategy FixedRefinementStrategy [2018-07-23 13:40:38,512 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-07-23 13:40:38,673 INFO L134 CoverageAnalysis]: Checked inductivity of 630 backedges. 0 proven. 630 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2018-07-23 13:40:38,674 INFO L309 seRefinementStrategy]: Constructing automaton from 0 perfect and 1 imperfect interpolant sequences. [2018-07-23 13:40:38,674 INFO L324 seRefinementStrategy]: Number of different interpolants: perfect sequences [] imperfect sequences [37] total 37 [2018-07-23 13:40:38,674 INFO L142 lantAutomatonBuilder]: Constructing canonical interpolant automaton, with selfloop in false state [2018-07-23 13:40:38,674 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2018-07-23 13:40:38,675 INFO L185 omatonBuilderFactory]: Interpolants [3930#true, 3931#false, 3932#(<= ULTIMATE.start_main_~k~5 0), 3933#(<= ULTIMATE.start_main_~k~5 1), 3934#(<= ULTIMATE.start_main_~k~5 2), 3935#(<= ULTIMATE.start_main_~k~5 3), 3936#(<= ULTIMATE.start_main_~k~5 4), 3937#(<= ULTIMATE.start_main_~k~5 5), 3938#(<= ULTIMATE.start_main_~k~5 6), 3939#(<= ULTIMATE.start_main_~k~5 7), 3940#(<= ULTIMATE.start_main_~k~5 8), 3941#(<= ULTIMATE.start_main_~k~5 9), 3942#(<= ULTIMATE.start_main_~k~5 10), 3943#(<= ULTIMATE.start_main_~k~5 11), 3944#(<= ULTIMATE.start_main_~k~5 12), 3945#(<= ULTIMATE.start_main_~k~5 13), 3946#(<= ULTIMATE.start_main_~k~5 14), 3947#(<= ULTIMATE.start_main_~k~5 15), 3948#(<= ULTIMATE.start_main_~k~5 16), 3949#(<= ULTIMATE.start_main_~k~5 17), 3950#(<= ULTIMATE.start_main_~k~5 18), 3951#(<= ULTIMATE.start_main_~k~5 19), 3952#(<= ULTIMATE.start_main_~k~5 20), 3953#(<= ULTIMATE.start_main_~k~5 21), 3954#(<= ULTIMATE.start_main_~k~5 22), 3955#(<= ULTIMATE.start_main_~k~5 23), 3956#(<= ULTIMATE.start_main_~k~5 24), 3957#(<= ULTIMATE.start_main_~k~5 25), 3958#(<= ULTIMATE.start_main_~k~5 26), 3959#(<= ULTIMATE.start_main_~k~5 27), 3960#(<= ULTIMATE.start_main_~k~5 28), 3961#(<= ULTIMATE.start_main_~k~5 29), 3962#(<= ULTIMATE.start_main_~k~5 30), 3963#(<= ULTIMATE.start_main_~k~5 31), 3964#(<= ULTIMATE.start_main_~k~5 32), 3965#(<= ULTIMATE.start_main_~k~5 33), 3966#(<= ULTIMATE.start_main_~k~5 34), 3967#(<= ULTIMATE.start_main_~k~5 35)] [2018-07-23 13:40:38,677 INFO L134 CoverageAnalysis]: Checked inductivity of 630 backedges. 0 proven. 630 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2018-07-23 13:40:38,677 INFO L450 AbstractCegarLoop]: Interpolant automaton has 38 states [2018-07-23 13:40:38,678 INFO L132 InterpolantAutomaton]: Constructing interpolant automaton starting with 38 interpolants. [2018-07-23 13:40:38,679 INFO L133 InterpolantAutomaton]: CoverageRelationStatistics Valid=703, Invalid=703, Unknown=0, NotChecked=0, Total=1406 [2018-07-23 13:40:38,679 INFO L87 Difference]: Start difference. First operand 39 states and 39 transitions. Second operand 38 states. [2018-07-23 13:40:38,705 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2018-07-23 13:40:38,705 INFO L93 Difference]: Finished difference Result 42 states and 42 transitions. [2018-07-23 13:40:38,705 INFO L142 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 38 states. [2018-07-23 13:40:38,705 INFO L78 Accepts]: Start accepts. Automaton has 38 states. Word has length 38 [2018-07-23 13:40:38,706 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2018-07-23 13:40:38,706 INFO L225 Difference]: With dead ends: 42 [2018-07-23 13:40:38,706 INFO L226 Difference]: Without dead ends: 40 [2018-07-23 13:40:38,707 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 13:40:38,707 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 40 states. [2018-07-23 13:40:38,709 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 40 to 40. [2018-07-23 13:40:38,709 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 40 states. [2018-07-23 13:40:38,710 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 40 states to 40 states and 40 transitions. [2018-07-23 13:40:38,710 INFO L78 Accepts]: Start accepts. Automaton has 40 states and 40 transitions. Word has length 38 [2018-07-23 13:40:38,710 INFO L84 Accepts]: Finished accepts. word is rejected. [2018-07-23 13:40:38,710 INFO L471 AbstractCegarLoop]: Abstraction has 40 states and 40 transitions. [2018-07-23 13:40:38,712 INFO L472 AbstractCegarLoop]: Interpolant automaton has 38 states. [2018-07-23 13:40:38,713 INFO L276 IsEmpty]: Start isEmpty. Operand 40 states and 40 transitions. [2018-07-23 13:40:38,713 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 40 [2018-07-23 13:40:38,713 INFO L349 BasicCegarLoop]: Found error trace [2018-07-23 13:40:38,713 INFO L357 BasicCegarLoop]: trace histogram [36, 1, 1, 1] [2018-07-23 13:40:38,713 INFO L414 AbstractCegarLoop]: === Iteration 37 === [ULTIMATE.startErr0AssertViolationASSERT]=== [2018-07-23 13:40:38,714 INFO L82 PathProgramCache]: Analyzing trace with hash 591971585, now seen corresponding path program 36 times [2018-07-23 13:40:38,714 INFO L69 tionRefinementEngine]: Using refinement strategy FixedRefinementStrategy [2018-07-23 13:40:38,731 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-07-23 13:40:38,892 INFO L134 CoverageAnalysis]: Checked inductivity of 666 backedges. 0 proven. 666 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2018-07-23 13:40:38,892 INFO L309 seRefinementStrategy]: Constructing automaton from 0 perfect and 1 imperfect interpolant sequences. [2018-07-23 13:40:38,892 INFO L324 seRefinementStrategy]: Number of different interpolants: perfect sequences [] imperfect sequences [38] total 38 [2018-07-23 13:40:38,892 INFO L142 lantAutomatonBuilder]: Constructing canonical interpolant automaton, with selfloop in false state [2018-07-23 13:40:38,893 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2018-07-23 13:40:38,893 INFO L185 omatonBuilderFactory]: Interpolants [4160#(<= ULTIMATE.start_main_~k~5 26), 4161#(<= ULTIMATE.start_main_~k~5 27), 4162#(<= ULTIMATE.start_main_~k~5 28), 4163#(<= ULTIMATE.start_main_~k~5 29), 4164#(<= ULTIMATE.start_main_~k~5 30), 4165#(<= ULTIMATE.start_main_~k~5 31), 4166#(<= ULTIMATE.start_main_~k~5 32), 4167#(<= ULTIMATE.start_main_~k~5 33), 4168#(<= ULTIMATE.start_main_~k~5 34), 4169#(<= ULTIMATE.start_main_~k~5 35), 4170#(<= ULTIMATE.start_main_~k~5 36), 4132#true, 4133#false, 4134#(<= ULTIMATE.start_main_~k~5 0), 4135#(<= ULTIMATE.start_main_~k~5 1), 4136#(<= ULTIMATE.start_main_~k~5 2), 4137#(<= ULTIMATE.start_main_~k~5 3), 4138#(<= ULTIMATE.start_main_~k~5 4), 4139#(<= ULTIMATE.start_main_~k~5 5), 4140#(<= ULTIMATE.start_main_~k~5 6), 4141#(<= ULTIMATE.start_main_~k~5 7), 4142#(<= ULTIMATE.start_main_~k~5 8), 4143#(<= ULTIMATE.start_main_~k~5 9), 4144#(<= ULTIMATE.start_main_~k~5 10), 4145#(<= ULTIMATE.start_main_~k~5 11), 4146#(<= ULTIMATE.start_main_~k~5 12), 4147#(<= ULTIMATE.start_main_~k~5 13), 4148#(<= ULTIMATE.start_main_~k~5 14), 4149#(<= ULTIMATE.start_main_~k~5 15), 4150#(<= ULTIMATE.start_main_~k~5 16), 4151#(<= ULTIMATE.start_main_~k~5 17), 4152#(<= ULTIMATE.start_main_~k~5 18), 4153#(<= ULTIMATE.start_main_~k~5 19), 4154#(<= ULTIMATE.start_main_~k~5 20), 4155#(<= ULTIMATE.start_main_~k~5 21), 4156#(<= ULTIMATE.start_main_~k~5 22), 4157#(<= ULTIMATE.start_main_~k~5 23), 4158#(<= ULTIMATE.start_main_~k~5 24), 4159#(<= ULTIMATE.start_main_~k~5 25)] [2018-07-23 13:40:38,893 INFO L134 CoverageAnalysis]: Checked inductivity of 666 backedges. 0 proven. 666 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2018-07-23 13:40:38,893 INFO L450 AbstractCegarLoop]: Interpolant automaton has 39 states [2018-07-23 13:40:38,894 INFO L132 InterpolantAutomaton]: Constructing interpolant automaton starting with 39 interpolants. [2018-07-23 13:40:38,896 INFO L133 InterpolantAutomaton]: CoverageRelationStatistics Valid=741, Invalid=741, Unknown=0, NotChecked=0, Total=1482 [2018-07-23 13:40:38,896 INFO L87 Difference]: Start difference. First operand 40 states and 40 transitions. Second operand 39 states. [2018-07-23 13:40:38,919 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2018-07-23 13:40:38,919 INFO L93 Difference]: Finished difference Result 43 states and 43 transitions. [2018-07-23 13:40:38,919 INFO L142 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 39 states. [2018-07-23 13:40:38,920 INFO L78 Accepts]: Start accepts. Automaton has 39 states. Word has length 39 [2018-07-23 13:40:38,920 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2018-07-23 13:40:38,920 INFO L225 Difference]: With dead ends: 43 [2018-07-23 13:40:38,920 INFO L226 Difference]: Without dead ends: 41 [2018-07-23 13:40:38,922 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 13:40:38,922 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 41 states. [2018-07-23 13:40:38,924 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 41 to 41. [2018-07-23 13:40:38,924 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 41 states. [2018-07-23 13:40:38,924 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 41 states to 41 states and 41 transitions. [2018-07-23 13:40:38,925 INFO L78 Accepts]: Start accepts. Automaton has 41 states and 41 transitions. Word has length 39 [2018-07-23 13:40:38,925 INFO L84 Accepts]: Finished accepts. word is rejected. [2018-07-23 13:40:38,925 INFO L471 AbstractCegarLoop]: Abstraction has 41 states and 41 transitions. [2018-07-23 13:40:38,925 INFO L472 AbstractCegarLoop]: Interpolant automaton has 39 states. [2018-07-23 13:40:38,925 INFO L276 IsEmpty]: Start isEmpty. Operand 41 states and 41 transitions. [2018-07-23 13:40:38,925 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 41 [2018-07-23 13:40:38,926 INFO L349 BasicCegarLoop]: Found error trace [2018-07-23 13:40:38,926 INFO L357 BasicCegarLoop]: trace histogram [37, 1, 1, 1] [2018-07-23 13:40:38,926 INFO L414 AbstractCegarLoop]: === Iteration 38 === [ULTIMATE.startErr0AssertViolationASSERT]=== [2018-07-23 13:40:38,926 INFO L82 PathProgramCache]: Analyzing trace with hash 1171247976, now seen corresponding path program 37 times [2018-07-23 13:40:38,926 INFO L69 tionRefinementEngine]: Using refinement strategy FixedRefinementStrategy [2018-07-23 13:40:38,943 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-07-23 13:40:39,104 INFO L134 CoverageAnalysis]: Checked inductivity of 703 backedges. 0 proven. 703 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2018-07-23 13:40:39,105 INFO L309 seRefinementStrategy]: Constructing automaton from 0 perfect and 1 imperfect interpolant sequences. [2018-07-23 13:40:39,105 INFO L324 seRefinementStrategy]: Number of different interpolants: perfect sequences [] imperfect sequences [39] total 39 [2018-07-23 13:40:39,105 INFO L142 lantAutomatonBuilder]: Constructing canonical interpolant automaton, with selfloop in false state [2018-07-23 13:40:39,105 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2018-07-23 13:40:39,106 INFO L185 omatonBuilderFactory]: Interpolants [4352#(<= ULTIMATE.start_main_~k~5 11), 4353#(<= ULTIMATE.start_main_~k~5 12), 4354#(<= ULTIMATE.start_main_~k~5 13), 4355#(<= ULTIMATE.start_main_~k~5 14), 4356#(<= ULTIMATE.start_main_~k~5 15), 4357#(<= ULTIMATE.start_main_~k~5 16), 4358#(<= ULTIMATE.start_main_~k~5 17), 4359#(<= ULTIMATE.start_main_~k~5 18), 4360#(<= ULTIMATE.start_main_~k~5 19), 4361#(<= ULTIMATE.start_main_~k~5 20), 4362#(<= ULTIMATE.start_main_~k~5 21), 4363#(<= ULTIMATE.start_main_~k~5 22), 4364#(<= ULTIMATE.start_main_~k~5 23), 4365#(<= ULTIMATE.start_main_~k~5 24), 4366#(<= ULTIMATE.start_main_~k~5 25), 4367#(<= ULTIMATE.start_main_~k~5 26), 4368#(<= ULTIMATE.start_main_~k~5 27), 4369#(<= ULTIMATE.start_main_~k~5 28), 4370#(<= ULTIMATE.start_main_~k~5 29), 4371#(<= ULTIMATE.start_main_~k~5 30), 4372#(<= ULTIMATE.start_main_~k~5 31), 4373#(<= ULTIMATE.start_main_~k~5 32), 4374#(<= ULTIMATE.start_main_~k~5 33), 4375#(<= ULTIMATE.start_main_~k~5 34), 4376#(<= ULTIMATE.start_main_~k~5 35), 4377#(<= ULTIMATE.start_main_~k~5 36), 4378#(<= ULTIMATE.start_main_~k~5 37), 4339#true, 4340#false, 4341#(<= ULTIMATE.start_main_~k~5 0), 4342#(<= ULTIMATE.start_main_~k~5 1), 4343#(<= ULTIMATE.start_main_~k~5 2), 4344#(<= ULTIMATE.start_main_~k~5 3), 4345#(<= ULTIMATE.start_main_~k~5 4), 4346#(<= ULTIMATE.start_main_~k~5 5), 4347#(<= ULTIMATE.start_main_~k~5 6), 4348#(<= ULTIMATE.start_main_~k~5 7), 4349#(<= ULTIMATE.start_main_~k~5 8), 4350#(<= ULTIMATE.start_main_~k~5 9), 4351#(<= ULTIMATE.start_main_~k~5 10)] [2018-07-23 13:40:39,106 INFO L134 CoverageAnalysis]: Checked inductivity of 703 backedges. 0 proven. 703 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2018-07-23 13:40:39,106 INFO L450 AbstractCegarLoop]: Interpolant automaton has 40 states [2018-07-23 13:40:39,107 INFO L132 InterpolantAutomaton]: Constructing interpolant automaton starting with 40 interpolants. [2018-07-23 13:40:39,108 INFO L133 InterpolantAutomaton]: CoverageRelationStatistics Valid=780, Invalid=780, Unknown=0, NotChecked=0, Total=1560 [2018-07-23 13:40:39,108 INFO L87 Difference]: Start difference. First operand 41 states and 41 transitions. Second operand 40 states. [2018-07-23 13:40:39,134 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2018-07-23 13:40:39,134 INFO L93 Difference]: Finished difference Result 44 states and 44 transitions. [2018-07-23 13:40:39,134 INFO L142 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 40 states. [2018-07-23 13:40:39,135 INFO L78 Accepts]: Start accepts. Automaton has 40 states. Word has length 40 [2018-07-23 13:40:39,135 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2018-07-23 13:40:39,135 INFO L225 Difference]: With dead ends: 44 [2018-07-23 13:40:39,135 INFO L226 Difference]: Without dead ends: 42 [2018-07-23 13:40:39,136 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 13:40:39,136 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 42 states. [2018-07-23 13:40:39,139 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 42 to 42. [2018-07-23 13:40:39,139 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 42 states. [2018-07-23 13:40:39,140 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 42 states to 42 states and 42 transitions. [2018-07-23 13:40:39,140 INFO L78 Accepts]: Start accepts. Automaton has 42 states and 42 transitions. Word has length 40 [2018-07-23 13:40:39,140 INFO L84 Accepts]: Finished accepts. word is rejected. [2018-07-23 13:40:39,140 INFO L471 AbstractCegarLoop]: Abstraction has 42 states and 42 transitions. [2018-07-23 13:40:39,140 INFO L472 AbstractCegarLoop]: Interpolant automaton has 40 states. [2018-07-23 13:40:39,140 INFO L276 IsEmpty]: Start isEmpty. Operand 42 states and 42 transitions. [2018-07-23 13:40:39,141 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 42 [2018-07-23 13:40:39,141 INFO L349 BasicCegarLoop]: Found error trace [2018-07-23 13:40:39,141 INFO L357 BasicCegarLoop]: trace histogram [38, 1, 1, 1] [2018-07-23 13:40:39,141 INFO L414 AbstractCegarLoop]: === Iteration 39 === [ULTIMATE.startErr0AssertViolationASSERT]=== [2018-07-23 13:40:39,141 INFO L82 PathProgramCache]: Analyzing trace with hash 1948946913, now seen corresponding path program 38 times [2018-07-23 13:40:39,141 INFO L69 tionRefinementEngine]: Using refinement strategy FixedRefinementStrategy [2018-07-23 13:40:39,158 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-07-23 13:40:39,320 INFO L134 CoverageAnalysis]: Checked inductivity of 741 backedges. 0 proven. 741 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2018-07-23 13:40:39,320 INFO L309 seRefinementStrategy]: Constructing automaton from 0 perfect and 1 imperfect interpolant sequences. [2018-07-23 13:40:39,320 INFO L324 seRefinementStrategy]: Number of different interpolants: perfect sequences [] imperfect sequences [40] total 40 [2018-07-23 13:40:39,320 INFO L142 lantAutomatonBuilder]: Constructing canonical interpolant automaton, with selfloop in false state [2018-07-23 13:40:39,321 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2018-07-23 13:40:39,321 INFO L185 omatonBuilderFactory]: Interpolants [4551#true, 4552#false, 4553#(<= ULTIMATE.start_main_~k~5 0), 4554#(<= ULTIMATE.start_main_~k~5 1), 4555#(<= ULTIMATE.start_main_~k~5 2), 4556#(<= ULTIMATE.start_main_~k~5 3), 4557#(<= ULTIMATE.start_main_~k~5 4), 4558#(<= ULTIMATE.start_main_~k~5 5), 4559#(<= ULTIMATE.start_main_~k~5 6), 4560#(<= ULTIMATE.start_main_~k~5 7), 4561#(<= ULTIMATE.start_main_~k~5 8), 4562#(<= ULTIMATE.start_main_~k~5 9), 4563#(<= ULTIMATE.start_main_~k~5 10), 4564#(<= ULTIMATE.start_main_~k~5 11), 4565#(<= ULTIMATE.start_main_~k~5 12), 4566#(<= ULTIMATE.start_main_~k~5 13), 4567#(<= ULTIMATE.start_main_~k~5 14), 4568#(<= ULTIMATE.start_main_~k~5 15), 4569#(<= ULTIMATE.start_main_~k~5 16), 4570#(<= ULTIMATE.start_main_~k~5 17), 4571#(<= ULTIMATE.start_main_~k~5 18), 4572#(<= ULTIMATE.start_main_~k~5 19), 4573#(<= ULTIMATE.start_main_~k~5 20), 4574#(<= ULTIMATE.start_main_~k~5 21), 4575#(<= ULTIMATE.start_main_~k~5 22), 4576#(<= ULTIMATE.start_main_~k~5 23), 4577#(<= ULTIMATE.start_main_~k~5 24), 4578#(<= ULTIMATE.start_main_~k~5 25), 4579#(<= ULTIMATE.start_main_~k~5 26), 4580#(<= ULTIMATE.start_main_~k~5 27), 4581#(<= ULTIMATE.start_main_~k~5 28), 4582#(<= ULTIMATE.start_main_~k~5 29), 4583#(<= ULTIMATE.start_main_~k~5 30), 4584#(<= ULTIMATE.start_main_~k~5 31), 4585#(<= ULTIMATE.start_main_~k~5 32), 4586#(<= ULTIMATE.start_main_~k~5 33), 4587#(<= ULTIMATE.start_main_~k~5 34), 4588#(<= ULTIMATE.start_main_~k~5 35), 4589#(<= ULTIMATE.start_main_~k~5 36), 4590#(<= ULTIMATE.start_main_~k~5 37), 4591#(<= ULTIMATE.start_main_~k~5 38)] [2018-07-23 13:40:39,321 INFO L134 CoverageAnalysis]: Checked inductivity of 741 backedges. 0 proven. 741 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2018-07-23 13:40:39,321 INFO L450 AbstractCegarLoop]: Interpolant automaton has 41 states [2018-07-23 13:40:39,322 INFO L132 InterpolantAutomaton]: Constructing interpolant automaton starting with 41 interpolants. [2018-07-23 13:40:39,323 INFO L133 InterpolantAutomaton]: CoverageRelationStatistics Valid=820, Invalid=820, Unknown=0, NotChecked=0, Total=1640 [2018-07-23 13:40:39,323 INFO L87 Difference]: Start difference. First operand 42 states and 42 transitions. Second operand 41 states. [2018-07-23 13:40:39,349 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2018-07-23 13:40:39,349 INFO L93 Difference]: Finished difference Result 45 states and 45 transitions. [2018-07-23 13:40:39,350 INFO L142 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 41 states. [2018-07-23 13:40:39,350 INFO L78 Accepts]: Start accepts. Automaton has 41 states. Word has length 41 [2018-07-23 13:40:39,350 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2018-07-23 13:40:39,350 INFO L225 Difference]: With dead ends: 45 [2018-07-23 13:40:39,350 INFO L226 Difference]: Without dead ends: 43 [2018-07-23 13:40:39,351 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 13:40:39,352 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 43 states. [2018-07-23 13:40:39,353 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 43 to 43. [2018-07-23 13:40:39,353 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 43 states. [2018-07-23 13:40:39,353 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 43 states to 43 states and 43 transitions. [2018-07-23 13:40:39,354 INFO L78 Accepts]: Start accepts. Automaton has 43 states and 43 transitions. Word has length 41 [2018-07-23 13:40:39,354 INFO L84 Accepts]: Finished accepts. word is rejected. [2018-07-23 13:40:39,354 INFO L471 AbstractCegarLoop]: Abstraction has 43 states and 43 transitions. [2018-07-23 13:40:39,354 INFO L472 AbstractCegarLoop]: Interpolant automaton has 41 states. [2018-07-23 13:40:39,354 INFO L276 IsEmpty]: Start isEmpty. Operand 43 states and 43 transitions. [2018-07-23 13:40:39,354 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 43 [2018-07-23 13:40:39,355 INFO L349 BasicCegarLoop]: Found error trace [2018-07-23 13:40:39,355 INFO L357 BasicCegarLoop]: trace histogram [39, 1, 1, 1] [2018-07-23 13:40:39,355 INFO L414 AbstractCegarLoop]: === Iteration 40 === [ULTIMATE.startErr0AssertViolationASSERT]=== [2018-07-23 13:40:39,355 INFO L82 PathProgramCache]: Analyzing trace with hash 287810184, now seen corresponding path program 39 times [2018-07-23 13:40:39,355 INFO L69 tionRefinementEngine]: Using refinement strategy FixedRefinementStrategy [2018-07-23 13:40:39,374 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-07-23 13:40:39,552 INFO L134 CoverageAnalysis]: Checked inductivity of 780 backedges. 0 proven. 780 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2018-07-23 13:40:39,552 INFO L309 seRefinementStrategy]: Constructing automaton from 0 perfect and 1 imperfect interpolant sequences. [2018-07-23 13:40:39,552 INFO L324 seRefinementStrategy]: Number of different interpolants: perfect sequences [] imperfect sequences [41] total 41 [2018-07-23 13:40:39,553 INFO L142 lantAutomatonBuilder]: Constructing canonical interpolant automaton, with selfloop in false state [2018-07-23 13:40:39,553 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2018-07-23 13:40:39,553 INFO L185 omatonBuilderFactory]: Interpolants [4800#(<= ULTIMATE.start_main_~k~5 30), 4801#(<= ULTIMATE.start_main_~k~5 31), 4802#(<= ULTIMATE.start_main_~k~5 32), 4803#(<= ULTIMATE.start_main_~k~5 33), 4804#(<= ULTIMATE.start_main_~k~5 34), 4805#(<= ULTIMATE.start_main_~k~5 35), 4806#(<= ULTIMATE.start_main_~k~5 36), 4807#(<= ULTIMATE.start_main_~k~5 37), 4808#(<= ULTIMATE.start_main_~k~5 38), 4809#(<= ULTIMATE.start_main_~k~5 39), 4768#true, 4769#false, 4770#(<= ULTIMATE.start_main_~k~5 0), 4771#(<= ULTIMATE.start_main_~k~5 1), 4772#(<= ULTIMATE.start_main_~k~5 2), 4773#(<= ULTIMATE.start_main_~k~5 3), 4774#(<= ULTIMATE.start_main_~k~5 4), 4775#(<= ULTIMATE.start_main_~k~5 5), 4776#(<= ULTIMATE.start_main_~k~5 6), 4777#(<= ULTIMATE.start_main_~k~5 7), 4778#(<= ULTIMATE.start_main_~k~5 8), 4779#(<= ULTIMATE.start_main_~k~5 9), 4780#(<= ULTIMATE.start_main_~k~5 10), 4781#(<= ULTIMATE.start_main_~k~5 11), 4782#(<= ULTIMATE.start_main_~k~5 12), 4783#(<= ULTIMATE.start_main_~k~5 13), 4784#(<= ULTIMATE.start_main_~k~5 14), 4785#(<= ULTIMATE.start_main_~k~5 15), 4786#(<= ULTIMATE.start_main_~k~5 16), 4787#(<= ULTIMATE.start_main_~k~5 17), 4788#(<= ULTIMATE.start_main_~k~5 18), 4789#(<= ULTIMATE.start_main_~k~5 19), 4790#(<= ULTIMATE.start_main_~k~5 20), 4791#(<= ULTIMATE.start_main_~k~5 21), 4792#(<= ULTIMATE.start_main_~k~5 22), 4793#(<= ULTIMATE.start_main_~k~5 23), 4794#(<= ULTIMATE.start_main_~k~5 24), 4795#(<= ULTIMATE.start_main_~k~5 25), 4796#(<= ULTIMATE.start_main_~k~5 26), 4797#(<= ULTIMATE.start_main_~k~5 27), 4798#(<= ULTIMATE.start_main_~k~5 28), 4799#(<= ULTIMATE.start_main_~k~5 29)] [2018-07-23 13:40:39,553 INFO L134 CoverageAnalysis]: Checked inductivity of 780 backedges. 0 proven. 780 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2018-07-23 13:40:39,554 INFO L450 AbstractCegarLoop]: Interpolant automaton has 42 states [2018-07-23 13:40:39,554 INFO L132 InterpolantAutomaton]: Constructing interpolant automaton starting with 42 interpolants. [2018-07-23 13:40:39,555 INFO L133 InterpolantAutomaton]: CoverageRelationStatistics Valid=861, Invalid=861, Unknown=0, NotChecked=0, Total=1722 [2018-07-23 13:40:39,555 INFO L87 Difference]: Start difference. First operand 43 states and 43 transitions. Second operand 42 states. [2018-07-23 13:40:39,579 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2018-07-23 13:40:39,579 INFO L93 Difference]: Finished difference Result 46 states and 46 transitions. [2018-07-23 13:40:39,579 INFO L142 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 42 states. [2018-07-23 13:40:39,579 INFO L78 Accepts]: Start accepts. Automaton has 42 states. Word has length 42 [2018-07-23 13:40:39,580 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2018-07-23 13:40:39,580 INFO L225 Difference]: With dead ends: 46 [2018-07-23 13:40:39,580 INFO L226 Difference]: Without dead ends: 44 [2018-07-23 13:40:39,581 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 13:40:39,581 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 44 states. [2018-07-23 13:40:39,583 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 44 to 44. [2018-07-23 13:40:39,583 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 44 states. [2018-07-23 13:40:39,584 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 44 states to 44 states and 44 transitions. [2018-07-23 13:40:39,584 INFO L78 Accepts]: Start accepts. Automaton has 44 states and 44 transitions. Word has length 42 [2018-07-23 13:40:39,584 INFO L84 Accepts]: Finished accepts. word is rejected. [2018-07-23 13:40:39,584 INFO L471 AbstractCegarLoop]: Abstraction has 44 states and 44 transitions. [2018-07-23 13:40:39,584 INFO L472 AbstractCegarLoop]: Interpolant automaton has 42 states. [2018-07-23 13:40:39,584 INFO L276 IsEmpty]: Start isEmpty. Operand 44 states and 44 transitions. [2018-07-23 13:40:39,584 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 44 [2018-07-23 13:40:39,585 INFO L349 BasicCegarLoop]: Found error trace [2018-07-23 13:40:39,585 INFO L357 BasicCegarLoop]: trace histogram [40, 1, 1, 1] [2018-07-23 13:40:39,585 INFO L414 AbstractCegarLoop]: === Iteration 41 === [ULTIMATE.startErr0AssertViolationASSERT]=== [2018-07-23 13:40:39,585 INFO L82 PathProgramCache]: Analyzing trace with hash 332179137, now seen corresponding path program 40 times [2018-07-23 13:40:39,585 INFO L69 tionRefinementEngine]: Using refinement strategy FixedRefinementStrategy [2018-07-23 13:40:39,604 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-07-23 13:40:39,795 INFO L134 CoverageAnalysis]: Checked inductivity of 820 backedges. 0 proven. 820 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2018-07-23 13:40:39,795 INFO L309 seRefinementStrategy]: Constructing automaton from 0 perfect and 1 imperfect interpolant sequences. [2018-07-23 13:40:39,796 INFO L324 seRefinementStrategy]: Number of different interpolants: perfect sequences [] imperfect sequences [42] total 42 [2018-07-23 13:40:39,796 INFO L142 lantAutomatonBuilder]: Constructing canonical interpolant automaton, with selfloop in false state [2018-07-23 13:40:39,796 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2018-07-23 13:40:39,796 INFO L185 omatonBuilderFactory]: Interpolants [4992#(<= ULTIMATE.start_main_~k~5 0), 4993#(<= ULTIMATE.start_main_~k~5 1), 4994#(<= ULTIMATE.start_main_~k~5 2), 4995#(<= ULTIMATE.start_main_~k~5 3), 4996#(<= ULTIMATE.start_main_~k~5 4), 4997#(<= ULTIMATE.start_main_~k~5 5), 4998#(<= ULTIMATE.start_main_~k~5 6), 4999#(<= ULTIMATE.start_main_~k~5 7), 5000#(<= ULTIMATE.start_main_~k~5 8), 5001#(<= ULTIMATE.start_main_~k~5 9), 5002#(<= ULTIMATE.start_main_~k~5 10), 5003#(<= ULTIMATE.start_main_~k~5 11), 5004#(<= ULTIMATE.start_main_~k~5 12), 5005#(<= ULTIMATE.start_main_~k~5 13), 5006#(<= ULTIMATE.start_main_~k~5 14), 5007#(<= ULTIMATE.start_main_~k~5 15), 5008#(<= ULTIMATE.start_main_~k~5 16), 5009#(<= ULTIMATE.start_main_~k~5 17), 5010#(<= ULTIMATE.start_main_~k~5 18), 5011#(<= ULTIMATE.start_main_~k~5 19), 5012#(<= ULTIMATE.start_main_~k~5 20), 5013#(<= ULTIMATE.start_main_~k~5 21), 5014#(<= ULTIMATE.start_main_~k~5 22), 5015#(<= ULTIMATE.start_main_~k~5 23), 5016#(<= ULTIMATE.start_main_~k~5 24), 5017#(<= ULTIMATE.start_main_~k~5 25), 5018#(<= ULTIMATE.start_main_~k~5 26), 5019#(<= ULTIMATE.start_main_~k~5 27), 5020#(<= ULTIMATE.start_main_~k~5 28), 5021#(<= ULTIMATE.start_main_~k~5 29), 5022#(<= ULTIMATE.start_main_~k~5 30), 5023#(<= ULTIMATE.start_main_~k~5 31), 5024#(<= ULTIMATE.start_main_~k~5 32), 5025#(<= ULTIMATE.start_main_~k~5 33), 5026#(<= ULTIMATE.start_main_~k~5 34), 5027#(<= ULTIMATE.start_main_~k~5 35), 5028#(<= ULTIMATE.start_main_~k~5 36), 5029#(<= ULTIMATE.start_main_~k~5 37), 5030#(<= ULTIMATE.start_main_~k~5 38), 5031#(<= ULTIMATE.start_main_~k~5 39), 5032#(<= ULTIMATE.start_main_~k~5 40), 4990#true, 4991#false] [2018-07-23 13:40:39,797 INFO L134 CoverageAnalysis]: Checked inductivity of 820 backedges. 0 proven. 820 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2018-07-23 13:40:39,797 INFO L450 AbstractCegarLoop]: Interpolant automaton has 43 states [2018-07-23 13:40:39,797 INFO L132 InterpolantAutomaton]: Constructing interpolant automaton starting with 43 interpolants. [2018-07-23 13:40:39,798 INFO L133 InterpolantAutomaton]: CoverageRelationStatistics Valid=903, Invalid=903, Unknown=0, NotChecked=0, Total=1806 [2018-07-23 13:40:39,798 INFO L87 Difference]: Start difference. First operand 44 states and 44 transitions. Second operand 43 states. [2018-07-23 13:40:39,828 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2018-07-23 13:40:39,828 INFO L93 Difference]: Finished difference Result 47 states and 47 transitions. [2018-07-23 13:40:39,828 INFO L142 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 43 states. [2018-07-23 13:40:39,828 INFO L78 Accepts]: Start accepts. Automaton has 43 states. Word has length 43 [2018-07-23 13:40:39,829 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2018-07-23 13:40:39,829 INFO L225 Difference]: With dead ends: 47 [2018-07-23 13:40:39,829 INFO L226 Difference]: Without dead ends: 45 [2018-07-23 13:40:39,830 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 13:40:39,830 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 45 states. [2018-07-23 13:40:39,832 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 45 to 45. [2018-07-23 13:40:39,832 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 45 states. [2018-07-23 13:40:39,832 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 45 states to 45 states and 45 transitions. [2018-07-23 13:40:39,832 INFO L78 Accepts]: Start accepts. Automaton has 45 states and 45 transitions. Word has length 43 [2018-07-23 13:40:39,833 INFO L84 Accepts]: Finished accepts. word is rejected. [2018-07-23 13:40:39,833 INFO L471 AbstractCegarLoop]: Abstraction has 45 states and 45 transitions. [2018-07-23 13:40:39,833 INFO L472 AbstractCegarLoop]: Interpolant automaton has 43 states. [2018-07-23 13:40:39,833 INFO L276 IsEmpty]: Start isEmpty. Operand 45 states and 45 transitions. [2018-07-23 13:40:39,833 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 45 [2018-07-23 13:40:39,833 INFO L349 BasicCegarLoop]: Found error trace [2018-07-23 13:40:39,833 INFO L357 BasicCegarLoop]: trace histogram [41, 1, 1, 1] [2018-07-23 13:40:39,834 INFO L414 AbstractCegarLoop]: === Iteration 42 === [ULTIMATE.startErr0AssertViolationASSERT]=== [2018-07-23 13:40:39,834 INFO L82 PathProgramCache]: Analyzing trace with hash 1707616680, now seen corresponding path program 41 times [2018-07-23 13:40:39,834 INFO L69 tionRefinementEngine]: Using refinement strategy FixedRefinementStrategy [2018-07-23 13:40:39,855 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-07-23 13:40:40,056 INFO L134 CoverageAnalysis]: Checked inductivity of 861 backedges. 0 proven. 861 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2018-07-23 13:40:40,056 INFO L309 seRefinementStrategy]: Constructing automaton from 0 perfect and 1 imperfect interpolant sequences. [2018-07-23 13:40:40,056 INFO L324 seRefinementStrategy]: Number of different interpolants: perfect sequences [] imperfect sequences [43] total 43 [2018-07-23 13:40:40,057 INFO L142 lantAutomatonBuilder]: Constructing canonical interpolant automaton, with selfloop in false state [2018-07-23 13:40:40,057 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2018-07-23 13:40:40,057 INFO L185 omatonBuilderFactory]: Interpolants [5248#(<= ULTIMATE.start_main_~k~5 29), 5249#(<= ULTIMATE.start_main_~k~5 30), 5250#(<= ULTIMATE.start_main_~k~5 31), 5251#(<= ULTIMATE.start_main_~k~5 32), 5252#(<= ULTIMATE.start_main_~k~5 33), 5253#(<= ULTIMATE.start_main_~k~5 34), 5254#(<= ULTIMATE.start_main_~k~5 35), 5255#(<= ULTIMATE.start_main_~k~5 36), 5256#(<= ULTIMATE.start_main_~k~5 37), 5257#(<= ULTIMATE.start_main_~k~5 38), 5258#(<= ULTIMATE.start_main_~k~5 39), 5259#(<= ULTIMATE.start_main_~k~5 40), 5260#(<= ULTIMATE.start_main_~k~5 41), 5217#true, 5218#false, 5219#(<= ULTIMATE.start_main_~k~5 0), 5220#(<= ULTIMATE.start_main_~k~5 1), 5221#(<= ULTIMATE.start_main_~k~5 2), 5222#(<= ULTIMATE.start_main_~k~5 3), 5223#(<= ULTIMATE.start_main_~k~5 4), 5224#(<= ULTIMATE.start_main_~k~5 5), 5225#(<= ULTIMATE.start_main_~k~5 6), 5226#(<= ULTIMATE.start_main_~k~5 7), 5227#(<= ULTIMATE.start_main_~k~5 8), 5228#(<= ULTIMATE.start_main_~k~5 9), 5229#(<= ULTIMATE.start_main_~k~5 10), 5230#(<= ULTIMATE.start_main_~k~5 11), 5231#(<= ULTIMATE.start_main_~k~5 12), 5232#(<= ULTIMATE.start_main_~k~5 13), 5233#(<= ULTIMATE.start_main_~k~5 14), 5234#(<= ULTIMATE.start_main_~k~5 15), 5235#(<= ULTIMATE.start_main_~k~5 16), 5236#(<= ULTIMATE.start_main_~k~5 17), 5237#(<= ULTIMATE.start_main_~k~5 18), 5238#(<= ULTIMATE.start_main_~k~5 19), 5239#(<= ULTIMATE.start_main_~k~5 20), 5240#(<= ULTIMATE.start_main_~k~5 21), 5241#(<= ULTIMATE.start_main_~k~5 22), 5242#(<= ULTIMATE.start_main_~k~5 23), 5243#(<= ULTIMATE.start_main_~k~5 24), 5244#(<= ULTIMATE.start_main_~k~5 25), 5245#(<= ULTIMATE.start_main_~k~5 26), 5246#(<= ULTIMATE.start_main_~k~5 27), 5247#(<= ULTIMATE.start_main_~k~5 28)] [2018-07-23 13:40:40,058 INFO L134 CoverageAnalysis]: Checked inductivity of 861 backedges. 0 proven. 861 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2018-07-23 13:40:40,058 INFO L450 AbstractCegarLoop]: Interpolant automaton has 44 states [2018-07-23 13:40:40,058 INFO L132 InterpolantAutomaton]: Constructing interpolant automaton starting with 44 interpolants. [2018-07-23 13:40:40,059 INFO L133 InterpolantAutomaton]: CoverageRelationStatistics Valid=946, Invalid=946, Unknown=0, NotChecked=0, Total=1892 [2018-07-23 13:40:40,060 INFO L87 Difference]: Start difference. First operand 45 states and 45 transitions. Second operand 44 states. [2018-07-23 13:40:40,085 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2018-07-23 13:40:40,086 INFO L93 Difference]: Finished difference Result 48 states and 48 transitions. [2018-07-23 13:40:40,086 INFO L142 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 44 states. [2018-07-23 13:40:40,086 INFO L78 Accepts]: Start accepts. Automaton has 44 states. Word has length 44 [2018-07-23 13:40:40,086 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2018-07-23 13:40:40,087 INFO L225 Difference]: With dead ends: 48 [2018-07-23 13:40:40,087 INFO L226 Difference]: Without dead ends: 46 [2018-07-23 13:40:40,088 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 13:40:40,088 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 46 states. [2018-07-23 13:40:40,091 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 46 to 46. [2018-07-23 13:40:40,091 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 46 states. [2018-07-23 13:40:40,091 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 46 states to 46 states and 46 transitions. [2018-07-23 13:40:40,091 INFO L78 Accepts]: Start accepts. Automaton has 46 states and 46 transitions. Word has length 44 [2018-07-23 13:40:40,092 INFO L84 Accepts]: Finished accepts. word is rejected. [2018-07-23 13:40:40,092 INFO L471 AbstractCegarLoop]: Abstraction has 46 states and 46 transitions. [2018-07-23 13:40:40,092 INFO L472 AbstractCegarLoop]: Interpolant automaton has 44 states. [2018-07-23 13:40:40,092 INFO L276 IsEmpty]: Start isEmpty. Operand 46 states and 46 transitions. [2018-07-23 13:40:40,092 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 46 [2018-07-23 13:40:40,093 INFO L349 BasicCegarLoop]: Found error trace [2018-07-23 13:40:40,093 INFO L357 BasicCegarLoop]: trace histogram [42, 1, 1, 1] [2018-07-23 13:40:40,093 INFO L414 AbstractCegarLoop]: === Iteration 43 === [ULTIMATE.startErr0AssertViolationASSERT]=== [2018-07-23 13:40:40,093 INFO L82 PathProgramCache]: Analyzing trace with hash 1396507553, now seen corresponding path program 42 times [2018-07-23 13:40:40,093 INFO L69 tionRefinementEngine]: Using refinement strategy FixedRefinementStrategy [2018-07-23 13:40:40,121 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-07-23 13:40:40,313 INFO L134 CoverageAnalysis]: Checked inductivity of 903 backedges. 0 proven. 903 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2018-07-23 13:40:40,314 INFO L309 seRefinementStrategy]: Constructing automaton from 0 perfect and 1 imperfect interpolant sequences. [2018-07-23 13:40:40,314 INFO L324 seRefinementStrategy]: Number of different interpolants: perfect sequences [] imperfect sequences [44] total 44 [2018-07-23 13:40:40,314 INFO L142 lantAutomatonBuilder]: Constructing canonical interpolant automaton, with selfloop in false state [2018-07-23 13:40:40,314 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2018-07-23 13:40:40,315 INFO L185 omatonBuilderFactory]: Interpolants [5449#true, 5450#false, 5451#(<= ULTIMATE.start_main_~k~5 0), 5452#(<= ULTIMATE.start_main_~k~5 1), 5453#(<= ULTIMATE.start_main_~k~5 2), 5454#(<= ULTIMATE.start_main_~k~5 3), 5455#(<= ULTIMATE.start_main_~k~5 4), 5456#(<= ULTIMATE.start_main_~k~5 5), 5457#(<= ULTIMATE.start_main_~k~5 6), 5458#(<= ULTIMATE.start_main_~k~5 7), 5459#(<= ULTIMATE.start_main_~k~5 8), 5460#(<= ULTIMATE.start_main_~k~5 9), 5461#(<= ULTIMATE.start_main_~k~5 10), 5462#(<= ULTIMATE.start_main_~k~5 11), 5463#(<= ULTIMATE.start_main_~k~5 12), 5464#(<= ULTIMATE.start_main_~k~5 13), 5465#(<= ULTIMATE.start_main_~k~5 14), 5466#(<= ULTIMATE.start_main_~k~5 15), 5467#(<= ULTIMATE.start_main_~k~5 16), 5468#(<= ULTIMATE.start_main_~k~5 17), 5469#(<= ULTIMATE.start_main_~k~5 18), 5470#(<= ULTIMATE.start_main_~k~5 19), 5471#(<= ULTIMATE.start_main_~k~5 20), 5472#(<= ULTIMATE.start_main_~k~5 21), 5473#(<= ULTIMATE.start_main_~k~5 22), 5474#(<= ULTIMATE.start_main_~k~5 23), 5475#(<= ULTIMATE.start_main_~k~5 24), 5476#(<= ULTIMATE.start_main_~k~5 25), 5477#(<= ULTIMATE.start_main_~k~5 26), 5478#(<= ULTIMATE.start_main_~k~5 27), 5479#(<= ULTIMATE.start_main_~k~5 28), 5480#(<= ULTIMATE.start_main_~k~5 29), 5481#(<= ULTIMATE.start_main_~k~5 30), 5482#(<= ULTIMATE.start_main_~k~5 31), 5483#(<= ULTIMATE.start_main_~k~5 32), 5484#(<= ULTIMATE.start_main_~k~5 33), 5485#(<= ULTIMATE.start_main_~k~5 34), 5486#(<= ULTIMATE.start_main_~k~5 35), 5487#(<= ULTIMATE.start_main_~k~5 36), 5488#(<= ULTIMATE.start_main_~k~5 37), 5489#(<= ULTIMATE.start_main_~k~5 38), 5490#(<= ULTIMATE.start_main_~k~5 39), 5491#(<= ULTIMATE.start_main_~k~5 40), 5492#(<= ULTIMATE.start_main_~k~5 41), 5493#(<= ULTIMATE.start_main_~k~5 42)] [2018-07-23 13:40:40,315 INFO L134 CoverageAnalysis]: Checked inductivity of 903 backedges. 0 proven. 903 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2018-07-23 13:40:40,315 INFO L450 AbstractCegarLoop]: Interpolant automaton has 45 states [2018-07-23 13:40:40,316 INFO L132 InterpolantAutomaton]: Constructing interpolant automaton starting with 45 interpolants. [2018-07-23 13:40:40,317 INFO L133 InterpolantAutomaton]: CoverageRelationStatistics Valid=990, Invalid=990, Unknown=0, NotChecked=0, Total=1980 [2018-07-23 13:40:40,317 INFO L87 Difference]: Start difference. First operand 46 states and 46 transitions. Second operand 45 states. [2018-07-23 13:40:40,349 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2018-07-23 13:40:40,349 INFO L93 Difference]: Finished difference Result 49 states and 49 transitions. [2018-07-23 13:40:40,349 INFO L142 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 45 states. [2018-07-23 13:40:40,349 INFO L78 Accepts]: Start accepts. Automaton has 45 states. Word has length 45 [2018-07-23 13:40:40,350 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2018-07-23 13:40:40,350 INFO L225 Difference]: With dead ends: 49 [2018-07-23 13:40:40,350 INFO L226 Difference]: Without dead ends: 47 [2018-07-23 13:40:40,351 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 13:40:40,352 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 47 states. [2018-07-23 13:40:40,354 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 47 to 47. [2018-07-23 13:40:40,354 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 47 states. [2018-07-23 13:40:40,354 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 47 states to 47 states and 47 transitions. [2018-07-23 13:40:40,355 INFO L78 Accepts]: Start accepts. Automaton has 47 states and 47 transitions. Word has length 45 [2018-07-23 13:40:40,355 INFO L84 Accepts]: Finished accepts. word is rejected. [2018-07-23 13:40:40,355 INFO L471 AbstractCegarLoop]: Abstraction has 47 states and 47 transitions. [2018-07-23 13:40:40,355 INFO L472 AbstractCegarLoop]: Interpolant automaton has 45 states. [2018-07-23 13:40:40,355 INFO L276 IsEmpty]: Start isEmpty. Operand 47 states and 47 transitions. [2018-07-23 13:40:40,356 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 47 [2018-07-23 13:40:40,356 INFO L349 BasicCegarLoop]: Found error trace [2018-07-23 13:40:40,356 INFO L357 BasicCegarLoop]: trace histogram [43, 1, 1, 1] [2018-07-23 13:40:40,356 INFO L414 AbstractCegarLoop]: === Iteration 44 === [ULTIMATE.startErr0AssertViolationASSERT]=== [2018-07-23 13:40:40,357 INFO L82 PathProgramCache]: Analyzing trace with hash 342059208, now seen corresponding path program 43 times [2018-07-23 13:40:40,357 INFO L69 tionRefinementEngine]: Using refinement strategy FixedRefinementStrategy [2018-07-23 13:40:40,379 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-07-23 13:40:40,665 INFO L134 CoverageAnalysis]: Checked inductivity of 946 backedges. 0 proven. 946 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2018-07-23 13:40:40,665 INFO L309 seRefinementStrategy]: Constructing automaton from 0 perfect and 1 imperfect interpolant sequences. [2018-07-23 13:40:40,665 INFO L324 seRefinementStrategy]: Number of different interpolants: perfect sequences [] imperfect sequences [45] total 45 [2018-07-23 13:40:40,665 INFO L142 lantAutomatonBuilder]: Constructing canonical interpolant automaton, with selfloop in false state [2018-07-23 13:40:40,666 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2018-07-23 13:40:40,666 INFO L185 omatonBuilderFactory]: Interpolants [5696#(<= ULTIMATE.start_main_~k~5 8), 5697#(<= ULTIMATE.start_main_~k~5 9), 5698#(<= ULTIMATE.start_main_~k~5 10), 5699#(<= ULTIMATE.start_main_~k~5 11), 5700#(<= ULTIMATE.start_main_~k~5 12), 5701#(<= ULTIMATE.start_main_~k~5 13), 5702#(<= ULTIMATE.start_main_~k~5 14), 5703#(<= ULTIMATE.start_main_~k~5 15), 5704#(<= ULTIMATE.start_main_~k~5 16), 5705#(<= ULTIMATE.start_main_~k~5 17), 5706#(<= ULTIMATE.start_main_~k~5 18), 5707#(<= ULTIMATE.start_main_~k~5 19), 5708#(<= ULTIMATE.start_main_~k~5 20), 5709#(<= ULTIMATE.start_main_~k~5 21), 5710#(<= ULTIMATE.start_main_~k~5 22), 5711#(<= ULTIMATE.start_main_~k~5 23), 5712#(<= ULTIMATE.start_main_~k~5 24), 5713#(<= ULTIMATE.start_main_~k~5 25), 5714#(<= ULTIMATE.start_main_~k~5 26), 5715#(<= ULTIMATE.start_main_~k~5 27), 5716#(<= ULTIMATE.start_main_~k~5 28), 5717#(<= ULTIMATE.start_main_~k~5 29), 5718#(<= ULTIMATE.start_main_~k~5 30), 5719#(<= ULTIMATE.start_main_~k~5 31), 5720#(<= ULTIMATE.start_main_~k~5 32), 5721#(<= ULTIMATE.start_main_~k~5 33), 5722#(<= ULTIMATE.start_main_~k~5 34), 5723#(<= ULTIMATE.start_main_~k~5 35), 5724#(<= ULTIMATE.start_main_~k~5 36), 5725#(<= ULTIMATE.start_main_~k~5 37), 5726#(<= ULTIMATE.start_main_~k~5 38), 5727#(<= ULTIMATE.start_main_~k~5 39), 5728#(<= ULTIMATE.start_main_~k~5 40), 5729#(<= ULTIMATE.start_main_~k~5 41), 5730#(<= ULTIMATE.start_main_~k~5 42), 5731#(<= ULTIMATE.start_main_~k~5 43), 5686#true, 5687#false, 5688#(<= ULTIMATE.start_main_~k~5 0), 5689#(<= ULTIMATE.start_main_~k~5 1), 5690#(<= ULTIMATE.start_main_~k~5 2), 5691#(<= ULTIMATE.start_main_~k~5 3), 5692#(<= ULTIMATE.start_main_~k~5 4), 5693#(<= ULTIMATE.start_main_~k~5 5), 5694#(<= ULTIMATE.start_main_~k~5 6), 5695#(<= ULTIMATE.start_main_~k~5 7)] [2018-07-23 13:40:40,666 INFO L134 CoverageAnalysis]: Checked inductivity of 946 backedges. 0 proven. 946 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2018-07-23 13:40:40,667 INFO L450 AbstractCegarLoop]: Interpolant automaton has 46 states [2018-07-23 13:40:40,667 INFO L132 InterpolantAutomaton]: Constructing interpolant automaton starting with 46 interpolants. [2018-07-23 13:40:40,669 INFO L133 InterpolantAutomaton]: CoverageRelationStatistics Valid=1035, Invalid=1035, Unknown=0, NotChecked=0, Total=2070 [2018-07-23 13:40:40,669 INFO L87 Difference]: Start difference. First operand 47 states and 47 transitions. Second operand 46 states. [2018-07-23 13:40:40,710 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2018-07-23 13:40:40,710 INFO L93 Difference]: Finished difference Result 50 states and 50 transitions. [2018-07-23 13:40:40,711 INFO L142 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 46 states. [2018-07-23 13:40:40,711 INFO L78 Accepts]: Start accepts. Automaton has 46 states. Word has length 46 [2018-07-23 13:40:40,711 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2018-07-23 13:40:40,711 INFO L225 Difference]: With dead ends: 50 [2018-07-23 13:40:40,711 INFO L226 Difference]: Without dead ends: 48 [2018-07-23 13:40:40,713 INFO L575 BasicCegarLoop]: 0 DeclaredPredicates, 45 GetRequests, 1 SyntacticMatches, 0 SemanticMatches, 44 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 0 ImplicationChecksByTransitivity, 0.2s TimeCoverageRelationStatistics Valid=1035, Invalid=1035, Unknown=0, NotChecked=0, Total=2070 [2018-07-23 13:40:40,713 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 48 states. [2018-07-23 13:40:40,714 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 48 to 48. [2018-07-23 13:40:40,715 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 48 states. [2018-07-23 13:40:40,715 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 48 states to 48 states and 48 transitions. [2018-07-23 13:40:40,715 INFO L78 Accepts]: Start accepts. Automaton has 48 states and 48 transitions. Word has length 46 [2018-07-23 13:40:40,715 INFO L84 Accepts]: Finished accepts. word is rejected. [2018-07-23 13:40:40,718 INFO L471 AbstractCegarLoop]: Abstraction has 48 states and 48 transitions. [2018-07-23 13:40:40,718 INFO L472 AbstractCegarLoop]: Interpolant automaton has 46 states. [2018-07-23 13:40:40,718 INFO L276 IsEmpty]: Start isEmpty. Operand 48 states and 48 transitions. [2018-07-23 13:40:40,718 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 48 [2018-07-23 13:40:40,718 INFO L349 BasicCegarLoop]: Found error trace [2018-07-23 13:40:40,719 INFO L357 BasicCegarLoop]: trace histogram [44, 1, 1, 1] [2018-07-23 13:40:40,719 INFO L414 AbstractCegarLoop]: === Iteration 45 === [ULTIMATE.startErr0AssertViolationASSERT]=== [2018-07-23 13:40:40,719 INFO L82 PathProgramCache]: Analyzing trace with hash 2013898881, now seen corresponding path program 44 times [2018-07-23 13:40:40,719 INFO L69 tionRefinementEngine]: Using refinement strategy FixedRefinementStrategy [2018-07-23 13:40:40,736 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-07-23 13:40:40,922 INFO L134 CoverageAnalysis]: Checked inductivity of 990 backedges. 0 proven. 990 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2018-07-23 13:40:40,922 INFO L309 seRefinementStrategy]: Constructing automaton from 0 perfect and 1 imperfect interpolant sequences. [2018-07-23 13:40:40,922 INFO L324 seRefinementStrategy]: Number of different interpolants: perfect sequences [] imperfect sequences [46] total 46 [2018-07-23 13:40:40,928 INFO L142 lantAutomatonBuilder]: Constructing canonical interpolant automaton, with selfloop in false state [2018-07-23 13:40:40,929 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2018-07-23 13:40:40,929 INFO L185 omatonBuilderFactory]: Interpolants [5952#(<= ULTIMATE.start_main_~k~5 22), 5953#(<= ULTIMATE.start_main_~k~5 23), 5954#(<= ULTIMATE.start_main_~k~5 24), 5955#(<= ULTIMATE.start_main_~k~5 25), 5956#(<= ULTIMATE.start_main_~k~5 26), 5957#(<= ULTIMATE.start_main_~k~5 27), 5958#(<= ULTIMATE.start_main_~k~5 28), 5959#(<= ULTIMATE.start_main_~k~5 29), 5960#(<= ULTIMATE.start_main_~k~5 30), 5961#(<= ULTIMATE.start_main_~k~5 31), 5962#(<= ULTIMATE.start_main_~k~5 32), 5963#(<= ULTIMATE.start_main_~k~5 33), 5964#(<= ULTIMATE.start_main_~k~5 34), 5965#(<= ULTIMATE.start_main_~k~5 35), 5966#(<= ULTIMATE.start_main_~k~5 36), 5967#(<= ULTIMATE.start_main_~k~5 37), 5968#(<= ULTIMATE.start_main_~k~5 38), 5969#(<= ULTIMATE.start_main_~k~5 39), 5970#(<= ULTIMATE.start_main_~k~5 40), 5971#(<= ULTIMATE.start_main_~k~5 41), 5972#(<= ULTIMATE.start_main_~k~5 42), 5973#(<= ULTIMATE.start_main_~k~5 43), 5974#(<= ULTIMATE.start_main_~k~5 44), 5928#true, 5929#false, 5930#(<= ULTIMATE.start_main_~k~5 0), 5931#(<= ULTIMATE.start_main_~k~5 1), 5932#(<= ULTIMATE.start_main_~k~5 2), 5933#(<= ULTIMATE.start_main_~k~5 3), 5934#(<= ULTIMATE.start_main_~k~5 4), 5935#(<= ULTIMATE.start_main_~k~5 5), 5936#(<= ULTIMATE.start_main_~k~5 6), 5937#(<= ULTIMATE.start_main_~k~5 7), 5938#(<= ULTIMATE.start_main_~k~5 8), 5939#(<= ULTIMATE.start_main_~k~5 9), 5940#(<= ULTIMATE.start_main_~k~5 10), 5941#(<= ULTIMATE.start_main_~k~5 11), 5942#(<= ULTIMATE.start_main_~k~5 12), 5943#(<= ULTIMATE.start_main_~k~5 13), 5944#(<= ULTIMATE.start_main_~k~5 14), 5945#(<= ULTIMATE.start_main_~k~5 15), 5946#(<= ULTIMATE.start_main_~k~5 16), 5947#(<= ULTIMATE.start_main_~k~5 17), 5948#(<= ULTIMATE.start_main_~k~5 18), 5949#(<= ULTIMATE.start_main_~k~5 19), 5950#(<= ULTIMATE.start_main_~k~5 20), 5951#(<= ULTIMATE.start_main_~k~5 21)] [2018-07-23 13:40:40,929 INFO L134 CoverageAnalysis]: Checked inductivity of 990 backedges. 0 proven. 990 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2018-07-23 13:40:40,930 INFO L450 AbstractCegarLoop]: Interpolant automaton has 47 states [2018-07-23 13:40:40,930 INFO L132 InterpolantAutomaton]: Constructing interpolant automaton starting with 47 interpolants. [2018-07-23 13:40:40,931 INFO L133 InterpolantAutomaton]: CoverageRelationStatistics Valid=1081, Invalid=1081, Unknown=0, NotChecked=0, Total=2162 [2018-07-23 13:40:40,931 INFO L87 Difference]: Start difference. First operand 48 states and 48 transitions. Second operand 47 states. [2018-07-23 13:40:40,959 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2018-07-23 13:40:40,960 INFO L93 Difference]: Finished difference Result 51 states and 51 transitions. [2018-07-23 13:40:40,960 INFO L142 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 47 states. [2018-07-23 13:40:40,960 INFO L78 Accepts]: Start accepts. Automaton has 47 states. Word has length 47 [2018-07-23 13:40:40,960 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2018-07-23 13:40:40,960 INFO L225 Difference]: With dead ends: 51 [2018-07-23 13:40:40,961 INFO L226 Difference]: Without dead ends: 49 [2018-07-23 13:40:40,961 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 13:40:40,962 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 49 states. [2018-07-23 13:40:40,963 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 49 to 49. [2018-07-23 13:40:40,964 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 49 states. [2018-07-23 13:40:40,964 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 49 states to 49 states and 49 transitions. [2018-07-23 13:40:40,964 INFO L78 Accepts]: Start accepts. Automaton has 49 states and 49 transitions. Word has length 47 [2018-07-23 13:40:40,964 INFO L84 Accepts]: Finished accepts. word is rejected. [2018-07-23 13:40:40,964 INFO L471 AbstractCegarLoop]: Abstraction has 49 states and 49 transitions. [2018-07-23 13:40:40,964 INFO L472 AbstractCegarLoop]: Interpolant automaton has 47 states. [2018-07-23 13:40:40,965 INFO L276 IsEmpty]: Start isEmpty. Operand 49 states and 49 transitions. [2018-07-23 13:40:40,965 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 49 [2018-07-23 13:40:40,965 INFO L349 BasicCegarLoop]: Found error trace [2018-07-23 13:40:40,965 INFO L357 BasicCegarLoop]: trace histogram [45, 1, 1, 1] [2018-07-23 13:40:40,965 INFO L414 AbstractCegarLoop]: === Iteration 46 === [ULTIMATE.startErr0AssertViolationASSERT]=== [2018-07-23 13:40:40,966 INFO L82 PathProgramCache]: Analyzing trace with hash -1993646104, now seen corresponding path program 45 times [2018-07-23 13:40:40,966 INFO L69 tionRefinementEngine]: Using refinement strategy FixedRefinementStrategy [2018-07-23 13:40:40,984 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-07-23 13:40:41,170 INFO L134 CoverageAnalysis]: Checked inductivity of 1035 backedges. 0 proven. 1035 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2018-07-23 13:40:41,170 INFO L309 seRefinementStrategy]: Constructing automaton from 0 perfect and 1 imperfect interpolant sequences. [2018-07-23 13:40:41,170 INFO L324 seRefinementStrategy]: Number of different interpolants: perfect sequences [] imperfect sequences [47] total 47 [2018-07-23 13:40:41,170 INFO L142 lantAutomatonBuilder]: Constructing canonical interpolant automaton, with selfloop in false state [2018-07-23 13:40:41,170 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2018-07-23 13:40:41,171 INFO L185 omatonBuilderFactory]: Interpolants [6208#(<= ULTIMATE.start_main_~k~5 31), 6209#(<= ULTIMATE.start_main_~k~5 32), 6210#(<= ULTIMATE.start_main_~k~5 33), 6211#(<= ULTIMATE.start_main_~k~5 34), 6212#(<= ULTIMATE.start_main_~k~5 35), 6213#(<= ULTIMATE.start_main_~k~5 36), 6214#(<= ULTIMATE.start_main_~k~5 37), 6215#(<= ULTIMATE.start_main_~k~5 38), 6216#(<= ULTIMATE.start_main_~k~5 39), 6217#(<= ULTIMATE.start_main_~k~5 40), 6218#(<= ULTIMATE.start_main_~k~5 41), 6219#(<= ULTIMATE.start_main_~k~5 42), 6220#(<= ULTIMATE.start_main_~k~5 43), 6221#(<= ULTIMATE.start_main_~k~5 44), 6222#(<= ULTIMATE.start_main_~k~5 45), 6175#true, 6176#false, 6177#(<= ULTIMATE.start_main_~k~5 0), 6178#(<= ULTIMATE.start_main_~k~5 1), 6179#(<= ULTIMATE.start_main_~k~5 2), 6180#(<= ULTIMATE.start_main_~k~5 3), 6181#(<= ULTIMATE.start_main_~k~5 4), 6182#(<= ULTIMATE.start_main_~k~5 5), 6183#(<= ULTIMATE.start_main_~k~5 6), 6184#(<= ULTIMATE.start_main_~k~5 7), 6185#(<= ULTIMATE.start_main_~k~5 8), 6186#(<= ULTIMATE.start_main_~k~5 9), 6187#(<= ULTIMATE.start_main_~k~5 10), 6188#(<= ULTIMATE.start_main_~k~5 11), 6189#(<= ULTIMATE.start_main_~k~5 12), 6190#(<= ULTIMATE.start_main_~k~5 13), 6191#(<= ULTIMATE.start_main_~k~5 14), 6192#(<= ULTIMATE.start_main_~k~5 15), 6193#(<= ULTIMATE.start_main_~k~5 16), 6194#(<= ULTIMATE.start_main_~k~5 17), 6195#(<= ULTIMATE.start_main_~k~5 18), 6196#(<= ULTIMATE.start_main_~k~5 19), 6197#(<= ULTIMATE.start_main_~k~5 20), 6198#(<= ULTIMATE.start_main_~k~5 21), 6199#(<= ULTIMATE.start_main_~k~5 22), 6200#(<= ULTIMATE.start_main_~k~5 23), 6201#(<= ULTIMATE.start_main_~k~5 24), 6202#(<= ULTIMATE.start_main_~k~5 25), 6203#(<= ULTIMATE.start_main_~k~5 26), 6204#(<= ULTIMATE.start_main_~k~5 27), 6205#(<= ULTIMATE.start_main_~k~5 28), 6206#(<= ULTIMATE.start_main_~k~5 29), 6207#(<= ULTIMATE.start_main_~k~5 30)] [2018-07-23 13:40:41,171 INFO L134 CoverageAnalysis]: Checked inductivity of 1035 backedges. 0 proven. 1035 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2018-07-23 13:40:41,171 INFO L450 AbstractCegarLoop]: Interpolant automaton has 48 states [2018-07-23 13:40:41,172 INFO L132 InterpolantAutomaton]: Constructing interpolant automaton starting with 48 interpolants. [2018-07-23 13:40:41,172 INFO L133 InterpolantAutomaton]: CoverageRelationStatistics Valid=1128, Invalid=1128, Unknown=0, NotChecked=0, Total=2256 [2018-07-23 13:40:41,173 INFO L87 Difference]: Start difference. First operand 49 states and 49 transitions. Second operand 48 states. [2018-07-23 13:40:41,198 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2018-07-23 13:40:41,198 INFO L93 Difference]: Finished difference Result 52 states and 52 transitions. [2018-07-23 13:40:41,199 INFO L142 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 48 states. [2018-07-23 13:40:41,199 INFO L78 Accepts]: Start accepts. Automaton has 48 states. Word has length 48 [2018-07-23 13:40:41,199 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2018-07-23 13:40:41,199 INFO L225 Difference]: With dead ends: 52 [2018-07-23 13:40:41,200 INFO L226 Difference]: Without dead ends: 50 [2018-07-23 13:40:41,200 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 13:40:41,201 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 50 states. [2018-07-23 13:40:41,202 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 50 to 50. [2018-07-23 13:40:41,203 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 50 states. [2018-07-23 13:40:41,203 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 50 states to 50 states and 50 transitions. [2018-07-23 13:40:41,203 INFO L78 Accepts]: Start accepts. Automaton has 50 states and 50 transitions. Word has length 48 [2018-07-23 13:40:41,203 INFO L84 Accepts]: Finished accepts. word is rejected. [2018-07-23 13:40:41,203 INFO L471 AbstractCegarLoop]: Abstraction has 50 states and 50 transitions. [2018-07-23 13:40:41,203 INFO L472 AbstractCegarLoop]: Interpolant automaton has 48 states. [2018-07-23 13:40:41,204 INFO L276 IsEmpty]: Start isEmpty. Operand 50 states and 50 transitions. [2018-07-23 13:40:41,204 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 50 [2018-07-23 13:40:41,204 INFO L349 BasicCegarLoop]: Found error trace [2018-07-23 13:40:41,204 INFO L357 BasicCegarLoop]: trace histogram [46, 1, 1, 1] [2018-07-23 13:40:41,204 INFO L414 AbstractCegarLoop]: === Iteration 47 === [ULTIMATE.startErr0AssertViolationASSERT]=== [2018-07-23 13:40:41,204 INFO L82 PathProgramCache]: Analyzing trace with hash -1673489055, now seen corresponding path program 46 times [2018-07-23 13:40:41,205 INFO L69 tionRefinementEngine]: Using refinement strategy FixedRefinementStrategy [2018-07-23 13:40:41,221 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-07-23 13:40:41,415 INFO L134 CoverageAnalysis]: Checked inductivity of 1081 backedges. 0 proven. 1081 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2018-07-23 13:40:41,415 INFO L309 seRefinementStrategy]: Constructing automaton from 0 perfect and 1 imperfect interpolant sequences. [2018-07-23 13:40:41,415 INFO L324 seRefinementStrategy]: Number of different interpolants: perfect sequences [] imperfect sequences [48] total 48 [2018-07-23 13:40:41,415 INFO L142 lantAutomatonBuilder]: Constructing canonical interpolant automaton, with selfloop in false state [2018-07-23 13:40:41,416 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2018-07-23 13:40:41,416 INFO L185 omatonBuilderFactory]: Interpolants [6427#true, 6428#false, 6429#(<= ULTIMATE.start_main_~k~5 0), 6430#(<= ULTIMATE.start_main_~k~5 1), 6431#(<= ULTIMATE.start_main_~k~5 2), 6432#(<= ULTIMATE.start_main_~k~5 3), 6433#(<= ULTIMATE.start_main_~k~5 4), 6434#(<= ULTIMATE.start_main_~k~5 5), 6435#(<= ULTIMATE.start_main_~k~5 6), 6436#(<= ULTIMATE.start_main_~k~5 7), 6437#(<= ULTIMATE.start_main_~k~5 8), 6438#(<= ULTIMATE.start_main_~k~5 9), 6439#(<= ULTIMATE.start_main_~k~5 10), 6440#(<= ULTIMATE.start_main_~k~5 11), 6441#(<= ULTIMATE.start_main_~k~5 12), 6442#(<= ULTIMATE.start_main_~k~5 13), 6443#(<= ULTIMATE.start_main_~k~5 14), 6444#(<= ULTIMATE.start_main_~k~5 15), 6445#(<= ULTIMATE.start_main_~k~5 16), 6446#(<= ULTIMATE.start_main_~k~5 17), 6447#(<= ULTIMATE.start_main_~k~5 18), 6448#(<= ULTIMATE.start_main_~k~5 19), 6449#(<= ULTIMATE.start_main_~k~5 20), 6450#(<= ULTIMATE.start_main_~k~5 21), 6451#(<= ULTIMATE.start_main_~k~5 22), 6452#(<= ULTIMATE.start_main_~k~5 23), 6453#(<= ULTIMATE.start_main_~k~5 24), 6454#(<= ULTIMATE.start_main_~k~5 25), 6455#(<= ULTIMATE.start_main_~k~5 26), 6456#(<= ULTIMATE.start_main_~k~5 27), 6457#(<= ULTIMATE.start_main_~k~5 28), 6458#(<= ULTIMATE.start_main_~k~5 29), 6459#(<= ULTIMATE.start_main_~k~5 30), 6460#(<= ULTIMATE.start_main_~k~5 31), 6461#(<= ULTIMATE.start_main_~k~5 32), 6462#(<= ULTIMATE.start_main_~k~5 33), 6463#(<= ULTIMATE.start_main_~k~5 34), 6464#(<= ULTIMATE.start_main_~k~5 35), 6465#(<= ULTIMATE.start_main_~k~5 36), 6466#(<= ULTIMATE.start_main_~k~5 37), 6467#(<= ULTIMATE.start_main_~k~5 38), 6468#(<= ULTIMATE.start_main_~k~5 39), 6469#(<= ULTIMATE.start_main_~k~5 40), 6470#(<= ULTIMATE.start_main_~k~5 41), 6471#(<= ULTIMATE.start_main_~k~5 42), 6472#(<= ULTIMATE.start_main_~k~5 43), 6473#(<= ULTIMATE.start_main_~k~5 44), 6474#(<= ULTIMATE.start_main_~k~5 45), 6475#(<= ULTIMATE.start_main_~k~5 46)] [2018-07-23 13:40:41,416 INFO L134 CoverageAnalysis]: Checked inductivity of 1081 backedges. 0 proven. 1081 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2018-07-23 13:40:41,417 INFO L450 AbstractCegarLoop]: Interpolant automaton has 49 states [2018-07-23 13:40:41,417 INFO L132 InterpolantAutomaton]: Constructing interpolant automaton starting with 49 interpolants. [2018-07-23 13:40:41,418 INFO L133 InterpolantAutomaton]: CoverageRelationStatistics Valid=1176, Invalid=1176, Unknown=0, NotChecked=0, Total=2352 [2018-07-23 13:40:41,418 INFO L87 Difference]: Start difference. First operand 50 states and 50 transitions. Second operand 49 states. [2018-07-23 13:40:41,443 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2018-07-23 13:40:41,443 INFO L93 Difference]: Finished difference Result 53 states and 53 transitions. [2018-07-23 13:40:41,443 INFO L142 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 49 states. [2018-07-23 13:40:41,443 INFO L78 Accepts]: Start accepts. Automaton has 49 states. Word has length 49 [2018-07-23 13:40:41,444 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2018-07-23 13:40:41,444 INFO L225 Difference]: With dead ends: 53 [2018-07-23 13:40:41,444 INFO L226 Difference]: Without dead ends: 51 [2018-07-23 13:40:41,445 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 13:40:41,445 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 51 states. [2018-07-23 13:40:41,447 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 51 to 51. [2018-07-23 13:40:41,447 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 51 states. [2018-07-23 13:40:41,447 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 51 states to 51 states and 51 transitions. [2018-07-23 13:40:41,448 INFO L78 Accepts]: Start accepts. Automaton has 51 states and 51 transitions. Word has length 49 [2018-07-23 13:40:41,448 INFO L84 Accepts]: Finished accepts. word is rejected. [2018-07-23 13:40:41,449 INFO L471 AbstractCegarLoop]: Abstraction has 51 states and 51 transitions. [2018-07-23 13:40:41,449 INFO L472 AbstractCegarLoop]: Interpolant automaton has 49 states. [2018-07-23 13:40:41,449 INFO L276 IsEmpty]: Start isEmpty. Operand 51 states and 51 transitions. [2018-07-23 13:40:41,449 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 51 [2018-07-23 13:40:41,449 INFO L349 BasicCegarLoop]: Found error trace [2018-07-23 13:40:41,449 INFO L357 BasicCegarLoop]: trace histogram [47, 1, 1, 1] [2018-07-23 13:40:41,449 INFO L414 AbstractCegarLoop]: === Iteration 48 === [ULTIMATE.startErr0AssertViolationASSERT]=== [2018-07-23 13:40:41,450 INFO L82 PathProgramCache]: Analyzing trace with hash -338555128, now seen corresponding path program 47 times [2018-07-23 13:40:41,450 INFO L69 tionRefinementEngine]: Using refinement strategy FixedRefinementStrategy [2018-07-23 13:40:41,466 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-07-23 13:40:41,648 INFO L134 CoverageAnalysis]: Checked inductivity of 1128 backedges. 0 proven. 1128 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2018-07-23 13:40:41,649 INFO L309 seRefinementStrategy]: Constructing automaton from 0 perfect and 1 imperfect interpolant sequences. [2018-07-23 13:40:41,649 INFO L324 seRefinementStrategy]: Number of different interpolants: perfect sequences [] imperfect sequences [49] total 49 [2018-07-23 13:40:41,649 INFO L142 lantAutomatonBuilder]: Constructing canonical interpolant automaton, with selfloop in false state [2018-07-23 13:40:41,649 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2018-07-23 13:40:41,650 INFO L185 omatonBuilderFactory]: Interpolants [6684#true, 6685#false, 6686#(<= ULTIMATE.start_main_~k~5 0), 6687#(<= ULTIMATE.start_main_~k~5 1), 6688#(<= ULTIMATE.start_main_~k~5 2), 6689#(<= ULTIMATE.start_main_~k~5 3), 6690#(<= ULTIMATE.start_main_~k~5 4), 6691#(<= ULTIMATE.start_main_~k~5 5), 6692#(<= ULTIMATE.start_main_~k~5 6), 6693#(<= ULTIMATE.start_main_~k~5 7), 6694#(<= ULTIMATE.start_main_~k~5 8), 6695#(<= ULTIMATE.start_main_~k~5 9), 6696#(<= ULTIMATE.start_main_~k~5 10), 6697#(<= ULTIMATE.start_main_~k~5 11), 6698#(<= ULTIMATE.start_main_~k~5 12), 6699#(<= ULTIMATE.start_main_~k~5 13), 6700#(<= ULTIMATE.start_main_~k~5 14), 6701#(<= ULTIMATE.start_main_~k~5 15), 6702#(<= ULTIMATE.start_main_~k~5 16), 6703#(<= ULTIMATE.start_main_~k~5 17), 6704#(<= ULTIMATE.start_main_~k~5 18), 6705#(<= ULTIMATE.start_main_~k~5 19), 6706#(<= ULTIMATE.start_main_~k~5 20), 6707#(<= ULTIMATE.start_main_~k~5 21), 6708#(<= ULTIMATE.start_main_~k~5 22), 6709#(<= ULTIMATE.start_main_~k~5 23), 6710#(<= ULTIMATE.start_main_~k~5 24), 6711#(<= ULTIMATE.start_main_~k~5 25), 6712#(<= ULTIMATE.start_main_~k~5 26), 6713#(<= ULTIMATE.start_main_~k~5 27), 6714#(<= ULTIMATE.start_main_~k~5 28), 6715#(<= ULTIMATE.start_main_~k~5 29), 6716#(<= ULTIMATE.start_main_~k~5 30), 6717#(<= ULTIMATE.start_main_~k~5 31), 6718#(<= ULTIMATE.start_main_~k~5 32), 6719#(<= ULTIMATE.start_main_~k~5 33), 6720#(<= ULTIMATE.start_main_~k~5 34), 6721#(<= ULTIMATE.start_main_~k~5 35), 6722#(<= ULTIMATE.start_main_~k~5 36), 6723#(<= ULTIMATE.start_main_~k~5 37), 6724#(<= ULTIMATE.start_main_~k~5 38), 6725#(<= ULTIMATE.start_main_~k~5 39), 6726#(<= ULTIMATE.start_main_~k~5 40), 6727#(<= ULTIMATE.start_main_~k~5 41), 6728#(<= ULTIMATE.start_main_~k~5 42), 6729#(<= ULTIMATE.start_main_~k~5 43), 6730#(<= ULTIMATE.start_main_~k~5 44), 6731#(<= ULTIMATE.start_main_~k~5 45), 6732#(<= ULTIMATE.start_main_~k~5 46), 6733#(<= ULTIMATE.start_main_~k~5 47)] [2018-07-23 13:40:41,650 INFO L134 CoverageAnalysis]: Checked inductivity of 1128 backedges. 0 proven. 1128 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2018-07-23 13:40:41,650 INFO L450 AbstractCegarLoop]: Interpolant automaton has 50 states [2018-07-23 13:40:41,651 INFO L132 InterpolantAutomaton]: Constructing interpolant automaton starting with 50 interpolants. [2018-07-23 13:40:41,651 INFO L133 InterpolantAutomaton]: CoverageRelationStatistics Valid=1225, Invalid=1225, Unknown=0, NotChecked=0, Total=2450 [2018-07-23 13:40:41,652 INFO L87 Difference]: Start difference. First operand 51 states and 51 transitions. Second operand 50 states. [2018-07-23 13:40:41,677 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2018-07-23 13:40:41,678 INFO L93 Difference]: Finished difference Result 54 states and 54 transitions. [2018-07-23 13:40:41,678 INFO L142 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 50 states. [2018-07-23 13:40:41,678 INFO L78 Accepts]: Start accepts. Automaton has 50 states. Word has length 50 [2018-07-23 13:40:41,678 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2018-07-23 13:40:41,679 INFO L225 Difference]: With dead ends: 54 [2018-07-23 13:40:41,679 INFO L226 Difference]: Without dead ends: 52 [2018-07-23 13:40:41,680 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 13:40:41,680 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 52 states. [2018-07-23 13:40:41,682 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 52 to 52. [2018-07-23 13:40:41,682 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 52 states. [2018-07-23 13:40:41,682 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 52 states to 52 states and 52 transitions. [2018-07-23 13:40:41,682 INFO L78 Accepts]: Start accepts. Automaton has 52 states and 52 transitions. Word has length 50 [2018-07-23 13:40:41,683 INFO L84 Accepts]: Finished accepts. word is rejected. [2018-07-23 13:40:41,683 INFO L471 AbstractCegarLoop]: Abstraction has 52 states and 52 transitions. [2018-07-23 13:40:41,683 INFO L472 AbstractCegarLoop]: Interpolant automaton has 50 states. [2018-07-23 13:40:41,683 INFO L276 IsEmpty]: Start isEmpty. Operand 52 states and 52 transitions. [2018-07-23 13:40:41,683 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 52 [2018-07-23 13:40:41,683 INFO L349 BasicCegarLoop]: Found error trace [2018-07-23 13:40:41,684 INFO L357 BasicCegarLoop]: trace histogram [48, 1, 1, 1] [2018-07-23 13:40:41,684 INFO L414 AbstractCegarLoop]: === Iteration 49 === [ULTIMATE.startErr0AssertViolationASSERT]=== [2018-07-23 13:40:41,684 INFO L82 PathProgramCache]: Analyzing trace with hash -1905276351, now seen corresponding path program 48 times [2018-07-23 13:40:41,684 INFO L69 tionRefinementEngine]: Using refinement strategy FixedRefinementStrategy [2018-07-23 13:40:41,701 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-07-23 13:40:41,899 INFO L134 CoverageAnalysis]: Checked inductivity of 1176 backedges. 0 proven. 1176 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2018-07-23 13:40:41,899 INFO L309 seRefinementStrategy]: Constructing automaton from 0 perfect and 1 imperfect interpolant sequences. [2018-07-23 13:40:41,899 INFO L324 seRefinementStrategy]: Number of different interpolants: perfect sequences [] imperfect sequences [50] total 50 [2018-07-23 13:40:41,900 INFO L142 lantAutomatonBuilder]: Constructing canonical interpolant automaton, with selfloop in false state [2018-07-23 13:40:41,900 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2018-07-23 13:40:41,900 INFO L185 omatonBuilderFactory]: Interpolants [6946#true, 6947#false, 6948#(<= ULTIMATE.start_main_~k~5 0), 6949#(<= ULTIMATE.start_main_~k~5 1), 6950#(<= ULTIMATE.start_main_~k~5 2), 6951#(<= ULTIMATE.start_main_~k~5 3), 6952#(<= ULTIMATE.start_main_~k~5 4), 6953#(<= ULTIMATE.start_main_~k~5 5), 6954#(<= ULTIMATE.start_main_~k~5 6), 6955#(<= ULTIMATE.start_main_~k~5 7), 6956#(<= ULTIMATE.start_main_~k~5 8), 6957#(<= ULTIMATE.start_main_~k~5 9), 6958#(<= ULTIMATE.start_main_~k~5 10), 6959#(<= ULTIMATE.start_main_~k~5 11), 6960#(<= ULTIMATE.start_main_~k~5 12), 6961#(<= ULTIMATE.start_main_~k~5 13), 6962#(<= ULTIMATE.start_main_~k~5 14), 6963#(<= ULTIMATE.start_main_~k~5 15), 6964#(<= ULTIMATE.start_main_~k~5 16), 6965#(<= ULTIMATE.start_main_~k~5 17), 6966#(<= ULTIMATE.start_main_~k~5 18), 6967#(<= ULTIMATE.start_main_~k~5 19), 6968#(<= ULTIMATE.start_main_~k~5 20), 6969#(<= ULTIMATE.start_main_~k~5 21), 6970#(<= ULTIMATE.start_main_~k~5 22), 6971#(<= ULTIMATE.start_main_~k~5 23), 6972#(<= ULTIMATE.start_main_~k~5 24), 6973#(<= ULTIMATE.start_main_~k~5 25), 6974#(<= ULTIMATE.start_main_~k~5 26), 6975#(<= ULTIMATE.start_main_~k~5 27), 6976#(<= ULTIMATE.start_main_~k~5 28), 6977#(<= ULTIMATE.start_main_~k~5 29), 6978#(<= ULTIMATE.start_main_~k~5 30), 6979#(<= ULTIMATE.start_main_~k~5 31), 6980#(<= ULTIMATE.start_main_~k~5 32), 6981#(<= ULTIMATE.start_main_~k~5 33), 6982#(<= ULTIMATE.start_main_~k~5 34), 6983#(<= ULTIMATE.start_main_~k~5 35), 6984#(<= ULTIMATE.start_main_~k~5 36), 6985#(<= ULTIMATE.start_main_~k~5 37), 6986#(<= ULTIMATE.start_main_~k~5 38), 6987#(<= ULTIMATE.start_main_~k~5 39), 6988#(<= ULTIMATE.start_main_~k~5 40), 6989#(<= ULTIMATE.start_main_~k~5 41), 6990#(<= ULTIMATE.start_main_~k~5 42), 6991#(<= ULTIMATE.start_main_~k~5 43), 6992#(<= ULTIMATE.start_main_~k~5 44), 6993#(<= ULTIMATE.start_main_~k~5 45), 6994#(<= ULTIMATE.start_main_~k~5 46), 6995#(<= ULTIMATE.start_main_~k~5 47), 6996#(<= ULTIMATE.start_main_~k~5 48)] [2018-07-23 13:40:41,901 INFO L134 CoverageAnalysis]: Checked inductivity of 1176 backedges. 0 proven. 1176 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2018-07-23 13:40:41,901 INFO L450 AbstractCegarLoop]: Interpolant automaton has 51 states [2018-07-23 13:40:41,901 INFO L132 InterpolantAutomaton]: Constructing interpolant automaton starting with 51 interpolants. [2018-07-23 13:40:41,902 INFO L133 InterpolantAutomaton]: CoverageRelationStatistics Valid=1275, Invalid=1275, Unknown=0, NotChecked=0, Total=2550 [2018-07-23 13:40:41,902 INFO L87 Difference]: Start difference. First operand 52 states and 52 transitions. Second operand 51 states. [2018-07-23 13:40:41,936 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2018-07-23 13:40:41,936 INFO L93 Difference]: Finished difference Result 55 states and 55 transitions. [2018-07-23 13:40:41,936 INFO L142 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 51 states. [2018-07-23 13:40:41,936 INFO L78 Accepts]: Start accepts. Automaton has 51 states. Word has length 51 [2018-07-23 13:40:41,937 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2018-07-23 13:40:41,937 INFO L225 Difference]: With dead ends: 55 [2018-07-23 13:40:41,937 INFO L226 Difference]: Without dead ends: 53 [2018-07-23 13:40:41,938 INFO L575 BasicCegarLoop]: 0 DeclaredPredicates, 50 GetRequests, 1 SyntacticMatches, 0 SemanticMatches, 49 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 0 ImplicationChecksByTransitivity, 0.1s TimeCoverageRelationStatistics Valid=1275, Invalid=1275, Unknown=0, NotChecked=0, Total=2550 [2018-07-23 13:40:41,939 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 53 states. [2018-07-23 13:40:41,940 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 53 to 53. [2018-07-23 13:40:41,940 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 53 states. [2018-07-23 13:40:41,941 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 53 states to 53 states and 53 transitions. [2018-07-23 13:40:41,941 INFO L78 Accepts]: Start accepts. Automaton has 53 states and 53 transitions. Word has length 51 [2018-07-23 13:40:41,941 INFO L84 Accepts]: Finished accepts. word is rejected. [2018-07-23 13:40:41,941 INFO L471 AbstractCegarLoop]: Abstraction has 53 states and 53 transitions. [2018-07-23 13:40:41,941 INFO L472 AbstractCegarLoop]: Interpolant automaton has 51 states. [2018-07-23 13:40:41,942 INFO L276 IsEmpty]: Start isEmpty. Operand 53 states and 53 transitions. [2018-07-23 13:40:41,942 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 53 [2018-07-23 13:40:41,942 INFO L349 BasicCegarLoop]: Found error trace [2018-07-23 13:40:41,942 INFO L357 BasicCegarLoop]: trace histogram [49, 1, 1, 1] [2018-07-23 13:40:41,942 INFO L414 AbstractCegarLoop]: === Iteration 50 === [ULTIMATE.startErr0AssertViolationASSERT]=== [2018-07-23 13:40:41,942 INFO L82 PathProgramCache]: Analyzing trace with hash 1065973288, now seen corresponding path program 49 times [2018-07-23 13:40:41,943 INFO L69 tionRefinementEngine]: Using refinement strategy FixedRefinementStrategy [2018-07-23 13:40:41,959 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-07-23 13:40:42,157 INFO L134 CoverageAnalysis]: Checked inductivity of 1225 backedges. 0 proven. 1225 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2018-07-23 13:40:42,157 INFO L309 seRefinementStrategy]: Constructing automaton from 0 perfect and 1 imperfect interpolant sequences. [2018-07-23 13:40:42,157 INFO L324 seRefinementStrategy]: Number of different interpolants: perfect sequences [] imperfect sequences [51] total 51 [2018-07-23 13:40:42,158 INFO L142 lantAutomatonBuilder]: Constructing canonical interpolant automaton, with selfloop in false state [2018-07-23 13:40:42,158 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2018-07-23 13:40:42,158 INFO L185 omatonBuilderFactory]: Interpolants [7213#true, 7214#false, 7215#(<= ULTIMATE.start_main_~k~5 0), 7216#(<= ULTIMATE.start_main_~k~5 1), 7217#(<= ULTIMATE.start_main_~k~5 2), 7218#(<= ULTIMATE.start_main_~k~5 3), 7219#(<= ULTIMATE.start_main_~k~5 4), 7220#(<= ULTIMATE.start_main_~k~5 5), 7221#(<= ULTIMATE.start_main_~k~5 6), 7222#(<= ULTIMATE.start_main_~k~5 7), 7223#(<= ULTIMATE.start_main_~k~5 8), 7224#(<= ULTIMATE.start_main_~k~5 9), 7225#(<= ULTIMATE.start_main_~k~5 10), 7226#(<= ULTIMATE.start_main_~k~5 11), 7227#(<= ULTIMATE.start_main_~k~5 12), 7228#(<= ULTIMATE.start_main_~k~5 13), 7229#(<= ULTIMATE.start_main_~k~5 14), 7230#(<= ULTIMATE.start_main_~k~5 15), 7231#(<= ULTIMATE.start_main_~k~5 16), 7232#(<= ULTIMATE.start_main_~k~5 17), 7233#(<= ULTIMATE.start_main_~k~5 18), 7234#(<= ULTIMATE.start_main_~k~5 19), 7235#(<= ULTIMATE.start_main_~k~5 20), 7236#(<= ULTIMATE.start_main_~k~5 21), 7237#(<= ULTIMATE.start_main_~k~5 22), 7238#(<= ULTIMATE.start_main_~k~5 23), 7239#(<= ULTIMATE.start_main_~k~5 24), 7240#(<= ULTIMATE.start_main_~k~5 25), 7241#(<= ULTIMATE.start_main_~k~5 26), 7242#(<= ULTIMATE.start_main_~k~5 27), 7243#(<= ULTIMATE.start_main_~k~5 28), 7244#(<= ULTIMATE.start_main_~k~5 29), 7245#(<= ULTIMATE.start_main_~k~5 30), 7246#(<= ULTIMATE.start_main_~k~5 31), 7247#(<= ULTIMATE.start_main_~k~5 32), 7248#(<= ULTIMATE.start_main_~k~5 33), 7249#(<= ULTIMATE.start_main_~k~5 34), 7250#(<= ULTIMATE.start_main_~k~5 35), 7251#(<= ULTIMATE.start_main_~k~5 36), 7252#(<= ULTIMATE.start_main_~k~5 37), 7253#(<= ULTIMATE.start_main_~k~5 38), 7254#(<= ULTIMATE.start_main_~k~5 39), 7255#(<= ULTIMATE.start_main_~k~5 40), 7256#(<= ULTIMATE.start_main_~k~5 41), 7257#(<= ULTIMATE.start_main_~k~5 42), 7258#(<= ULTIMATE.start_main_~k~5 43), 7259#(<= ULTIMATE.start_main_~k~5 44), 7260#(<= ULTIMATE.start_main_~k~5 45), 7261#(<= ULTIMATE.start_main_~k~5 46), 7262#(<= ULTIMATE.start_main_~k~5 47), 7263#(<= ULTIMATE.start_main_~k~5 48), 7264#(<= ULTIMATE.start_main_~k~5 49)] [2018-07-23 13:40:42,159 INFO L134 CoverageAnalysis]: Checked inductivity of 1225 backedges. 0 proven. 1225 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2018-07-23 13:40:42,159 INFO L450 AbstractCegarLoop]: Interpolant automaton has 52 states [2018-07-23 13:40:42,159 INFO L132 InterpolantAutomaton]: Constructing interpolant automaton starting with 52 interpolants. [2018-07-23 13:40:42,160 INFO L133 InterpolantAutomaton]: CoverageRelationStatistics Valid=1326, Invalid=1326, Unknown=0, NotChecked=0, Total=2652 [2018-07-23 13:40:42,160 INFO L87 Difference]: Start difference. First operand 53 states and 53 transitions. Second operand 52 states. [2018-07-23 13:40:42,192 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2018-07-23 13:40:42,192 INFO L93 Difference]: Finished difference Result 56 states and 56 transitions. [2018-07-23 13:40:42,192 INFO L142 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 52 states. [2018-07-23 13:40:42,192 INFO L78 Accepts]: Start accepts. Automaton has 52 states. Word has length 52 [2018-07-23 13:40:42,193 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2018-07-23 13:40:42,193 INFO L225 Difference]: With dead ends: 56 [2018-07-23 13:40:42,193 INFO L226 Difference]: Without dead ends: 54 [2018-07-23 13:40:42,194 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 13:40:42,194 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 54 states. [2018-07-23 13:40:42,196 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 54 to 54. [2018-07-23 13:40:42,196 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 54 states. [2018-07-23 13:40:42,196 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 54 states to 54 states and 54 transitions. [2018-07-23 13:40:42,197 INFO L78 Accepts]: Start accepts. Automaton has 54 states and 54 transitions. Word has length 52 [2018-07-23 13:40:42,197 INFO L84 Accepts]: Finished accepts. word is rejected. [2018-07-23 13:40:42,197 INFO L471 AbstractCegarLoop]: Abstraction has 54 states and 54 transitions. [2018-07-23 13:40:42,197 INFO L472 AbstractCegarLoop]: Interpolant automaton has 52 states. [2018-07-23 13:40:42,197 INFO L276 IsEmpty]: Start isEmpty. Operand 54 states and 54 transitions. [2018-07-23 13:40:42,197 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 54 [2018-07-23 13:40:42,198 INFO L349 BasicCegarLoop]: Found error trace [2018-07-23 13:40:42,198 INFO L357 BasicCegarLoop]: trace histogram [50, 1, 1, 1] [2018-07-23 13:40:42,198 INFO L414 AbstractCegarLoop]: === Iteration 51 === [ULTIMATE.startErr0AssertViolationASSERT]=== [2018-07-23 13:40:42,198 INFO L82 PathProgramCache]: Analyzing trace with hash -1314568415, now seen corresponding path program 50 times [2018-07-23 13:40:42,198 INFO L69 tionRefinementEngine]: Using refinement strategy FixedRefinementStrategy [2018-07-23 13:40:42,215 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-07-23 13:40:42,413 INFO L134 CoverageAnalysis]: Checked inductivity of 1275 backedges. 0 proven. 1275 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2018-07-23 13:40:42,414 INFO L309 seRefinementStrategy]: Constructing automaton from 0 perfect and 1 imperfect interpolant sequences. [2018-07-23 13:40:42,414 INFO L324 seRefinementStrategy]: Number of different interpolants: perfect sequences [] imperfect sequences [52] total 52 [2018-07-23 13:40:42,414 INFO L142 lantAutomatonBuilder]: Constructing canonical interpolant automaton, with selfloop in false state [2018-07-23 13:40:42,414 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 13:40:42,414 INFO L185 omatonBuilderFactory]: Interpolants [7485#true, 7486#false, 7487#(<= ULTIMATE.start_main_~k~5 0), 7488#(<= ULTIMATE.start_main_~k~5 1), 7489#(<= ULTIMATE.start_main_~k~5 2), 7490#(<= ULTIMATE.start_main_~k~5 3), 7491#(<= ULTIMATE.start_main_~k~5 4), 7492#(<= ULTIMATE.start_main_~k~5 5), 7493#(<= ULTIMATE.start_main_~k~5 6), 7494#(<= ULTIMATE.start_main_~k~5 7), 7495#(<= ULTIMATE.start_main_~k~5 8), 7496#(<= ULTIMATE.start_main_~k~5 9), 7497#(<= ULTIMATE.start_main_~k~5 10), 7498#(<= ULTIMATE.start_main_~k~5 11), 7499#(<= ULTIMATE.start_main_~k~5 12), 7500#(<= ULTIMATE.start_main_~k~5 13), 7501#(<= ULTIMATE.start_main_~k~5 14), 7502#(<= ULTIMATE.start_main_~k~5 15), 7503#(<= ULTIMATE.start_main_~k~5 16), 7504#(<= ULTIMATE.start_main_~k~5 17), 7505#(<= ULTIMATE.start_main_~k~5 18), 7506#(<= ULTIMATE.start_main_~k~5 19), 7507#(<= ULTIMATE.start_main_~k~5 20), 7508#(<= ULTIMATE.start_main_~k~5 21), 7509#(<= ULTIMATE.start_main_~k~5 22), 7510#(<= ULTIMATE.start_main_~k~5 23), 7511#(<= ULTIMATE.start_main_~k~5 24), 7512#(<= ULTIMATE.start_main_~k~5 25), 7513#(<= ULTIMATE.start_main_~k~5 26), 7514#(<= ULTIMATE.start_main_~k~5 27), 7515#(<= ULTIMATE.start_main_~k~5 28), 7516#(<= ULTIMATE.start_main_~k~5 29), 7517#(<= ULTIMATE.start_main_~k~5 30), 7518#(<= ULTIMATE.start_main_~k~5 31), 7519#(<= ULTIMATE.start_main_~k~5 32), 7520#(<= ULTIMATE.start_main_~k~5 33), 7521#(<= ULTIMATE.start_main_~k~5 34), 7522#(<= ULTIMATE.start_main_~k~5 35), 7523#(<= ULTIMATE.start_main_~k~5 36), 7524#(<= ULTIMATE.start_main_~k~5 37), 7525#(<= ULTIMATE.start_main_~k~5 38), 7526#(<= ULTIMATE.start_main_~k~5 39), 7527#(<= ULTIMATE.start_main_~k~5 40), 7528#(<= ULTIMATE.start_main_~k~5 41), 7529#(<= ULTIMATE.start_main_~k~5 42), 7530#(<= ULTIMATE.start_main_~k~5 43), 7531#(<= ULTIMATE.start_main_~k~5 44), 7532#(<= ULTIMATE.start_main_~k~5 45), 7533#(<= ULTIMATE.start_main_~k~5 46), 7534#(<= ULTIMATE.start_main_~k~5 47), 7535#(<= ULTIMATE.start_main_~k~5 48), 7536#(<= ULTIMATE.start_main_~k~5 49), 7537#(<= ULTIMATE.start_main_~k~5 50)] [2018-07-23 13:40:42,415 INFO L134 CoverageAnalysis]: Checked inductivity of 1275 backedges. 0 proven. 1275 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2018-07-23 13:40:42,415 INFO L450 AbstractCegarLoop]: Interpolant automaton has 53 states [2018-07-23 13:40:42,416 INFO L132 InterpolantAutomaton]: Constructing interpolant automaton starting with 53 interpolants. [2018-07-23 13:40:42,417 INFO L133 InterpolantAutomaton]: CoverageRelationStatistics Valid=1378, Invalid=1378, Unknown=0, NotChecked=0, Total=2756 [2018-07-23 13:40:42,417 INFO L87 Difference]: Start difference. First operand 54 states and 54 transitions. Second operand 53 states. [2018-07-23 13:40:42,454 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2018-07-23 13:40:42,454 INFO L93 Difference]: Finished difference Result 57 states and 57 transitions. [2018-07-23 13:40:42,454 INFO L142 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 53 states. [2018-07-23 13:40:42,455 INFO L78 Accepts]: Start accepts. Automaton has 53 states. Word has length 53 [2018-07-23 13:40:42,455 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2018-07-23 13:40:42,455 INFO L225 Difference]: With dead ends: 57 [2018-07-23 13:40:42,455 INFO L226 Difference]: Without dead ends: 55 [2018-07-23 13:40:42,456 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 13:40:42,457 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 55 states. [2018-07-23 13:40:42,459 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 55 to 55. [2018-07-23 13:40:42,459 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 55 states. [2018-07-23 13:40:42,459 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 55 states to 55 states and 55 transitions. [2018-07-23 13:40:42,459 INFO L78 Accepts]: Start accepts. Automaton has 55 states and 55 transitions. Word has length 53 [2018-07-23 13:40:42,460 INFO L84 Accepts]: Finished accepts. word is rejected. [2018-07-23 13:40:42,460 INFO L471 AbstractCegarLoop]: Abstraction has 55 states and 55 transitions. [2018-07-23 13:40:42,460 INFO L472 AbstractCegarLoop]: Interpolant automaton has 53 states. [2018-07-23 13:40:42,460 INFO L276 IsEmpty]: Start isEmpty. Operand 55 states and 55 transitions. [2018-07-23 13:40:42,460 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 55 [2018-07-23 13:40:42,460 INFO L349 BasicCegarLoop]: Found error trace [2018-07-23 13:40:42,460 INFO L357 BasicCegarLoop]: trace histogram [51, 1, 1, 1] [2018-07-23 13:40:42,461 INFO L414 AbstractCegarLoop]: === Iteration 52 === [ULTIMATE.startErr0AssertViolationASSERT]=== [2018-07-23 13:40:42,461 INFO L82 PathProgramCache]: Analyzing trace with hash -2096917176, now seen corresponding path program 51 times [2018-07-23 13:40:42,461 INFO L69 tionRefinementEngine]: Using refinement strategy FixedRefinementStrategy [2018-07-23 13:40:42,482 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-07-23 13:40:42,679 INFO L134 CoverageAnalysis]: Checked inductivity of 1326 backedges. 0 proven. 1326 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2018-07-23 13:40:42,679 INFO L309 seRefinementStrategy]: Constructing automaton from 0 perfect and 1 imperfect interpolant sequences. [2018-07-23 13:40:42,679 INFO L324 seRefinementStrategy]: Number of different interpolants: perfect sequences [] imperfect sequences [53] total 53 [2018-07-23 13:40:42,680 INFO L142 lantAutomatonBuilder]: Constructing canonical interpolant automaton, with selfloop in false state [2018-07-23 13:40:42,680 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2018-07-23 13:40:42,680 INFO L185 omatonBuilderFactory]: Interpolants [7808#(<= ULTIMATE.start_main_~k~5 44), 7809#(<= ULTIMATE.start_main_~k~5 45), 7810#(<= ULTIMATE.start_main_~k~5 46), 7811#(<= ULTIMATE.start_main_~k~5 47), 7812#(<= ULTIMATE.start_main_~k~5 48), 7813#(<= ULTIMATE.start_main_~k~5 49), 7814#(<= ULTIMATE.start_main_~k~5 50), 7815#(<= ULTIMATE.start_main_~k~5 51), 7762#true, 7763#false, 7764#(<= ULTIMATE.start_main_~k~5 0), 7765#(<= ULTIMATE.start_main_~k~5 1), 7766#(<= ULTIMATE.start_main_~k~5 2), 7767#(<= ULTIMATE.start_main_~k~5 3), 7768#(<= ULTIMATE.start_main_~k~5 4), 7769#(<= ULTIMATE.start_main_~k~5 5), 7770#(<= ULTIMATE.start_main_~k~5 6), 7771#(<= ULTIMATE.start_main_~k~5 7), 7772#(<= ULTIMATE.start_main_~k~5 8), 7773#(<= ULTIMATE.start_main_~k~5 9), 7774#(<= ULTIMATE.start_main_~k~5 10), 7775#(<= ULTIMATE.start_main_~k~5 11), 7776#(<= ULTIMATE.start_main_~k~5 12), 7777#(<= ULTIMATE.start_main_~k~5 13), 7778#(<= ULTIMATE.start_main_~k~5 14), 7779#(<= ULTIMATE.start_main_~k~5 15), 7780#(<= ULTIMATE.start_main_~k~5 16), 7781#(<= ULTIMATE.start_main_~k~5 17), 7782#(<= ULTIMATE.start_main_~k~5 18), 7783#(<= ULTIMATE.start_main_~k~5 19), 7784#(<= ULTIMATE.start_main_~k~5 20), 7785#(<= ULTIMATE.start_main_~k~5 21), 7786#(<= ULTIMATE.start_main_~k~5 22), 7787#(<= ULTIMATE.start_main_~k~5 23), 7788#(<= ULTIMATE.start_main_~k~5 24), 7789#(<= ULTIMATE.start_main_~k~5 25), 7790#(<= ULTIMATE.start_main_~k~5 26), 7791#(<= ULTIMATE.start_main_~k~5 27), 7792#(<= ULTIMATE.start_main_~k~5 28), 7793#(<= ULTIMATE.start_main_~k~5 29), 7794#(<= ULTIMATE.start_main_~k~5 30), 7795#(<= ULTIMATE.start_main_~k~5 31), 7796#(<= ULTIMATE.start_main_~k~5 32), 7797#(<= ULTIMATE.start_main_~k~5 33), 7798#(<= ULTIMATE.start_main_~k~5 34), 7799#(<= ULTIMATE.start_main_~k~5 35), 7800#(<= ULTIMATE.start_main_~k~5 36), 7801#(<= ULTIMATE.start_main_~k~5 37), 7802#(<= ULTIMATE.start_main_~k~5 38), 7803#(<= ULTIMATE.start_main_~k~5 39), 7804#(<= ULTIMATE.start_main_~k~5 40), 7805#(<= ULTIMATE.start_main_~k~5 41), 7806#(<= ULTIMATE.start_main_~k~5 42), 7807#(<= ULTIMATE.start_main_~k~5 43)] [2018-07-23 13:40:42,681 INFO L134 CoverageAnalysis]: Checked inductivity of 1326 backedges. 0 proven. 1326 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2018-07-23 13:40:42,681 INFO L450 AbstractCegarLoop]: Interpolant automaton has 54 states [2018-07-23 13:40:42,681 INFO L132 InterpolantAutomaton]: Constructing interpolant automaton starting with 54 interpolants. [2018-07-23 13:40:42,682 INFO L133 InterpolantAutomaton]: CoverageRelationStatistics Valid=1431, Invalid=1431, Unknown=0, NotChecked=0, Total=2862 [2018-07-23 13:40:42,682 INFO L87 Difference]: Start difference. First operand 55 states and 55 transitions. Second operand 54 states. [2018-07-23 13:40:42,712 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2018-07-23 13:40:42,712 INFO L93 Difference]: Finished difference Result 58 states and 58 transitions. [2018-07-23 13:40:42,712 INFO L142 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 54 states. [2018-07-23 13:40:42,712 INFO L78 Accepts]: Start accepts. Automaton has 54 states. Word has length 54 [2018-07-23 13:40:42,713 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2018-07-23 13:40:42,713 INFO L225 Difference]: With dead ends: 58 [2018-07-23 13:40:42,713 INFO L226 Difference]: Without dead ends: 56 [2018-07-23 13:40:42,714 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 13:40:42,714 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 56 states. [2018-07-23 13:40:42,717 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 56 to 56. [2018-07-23 13:40:42,717 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 56 states. [2018-07-23 13:40:42,717 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 56 states to 56 states and 56 transitions. [2018-07-23 13:40:42,717 INFO L78 Accepts]: Start accepts. Automaton has 56 states and 56 transitions. Word has length 54 [2018-07-23 13:40:42,717 INFO L84 Accepts]: Finished accepts. word is rejected. [2018-07-23 13:40:42,718 INFO L471 AbstractCegarLoop]: Abstraction has 56 states and 56 transitions. [2018-07-23 13:40:42,718 INFO L472 AbstractCegarLoop]: Interpolant automaton has 54 states. [2018-07-23 13:40:42,718 INFO L276 IsEmpty]: Start isEmpty. Operand 56 states and 56 transitions. [2018-07-23 13:40:42,718 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 56 [2018-07-23 13:40:42,718 INFO L349 BasicCegarLoop]: Found error trace [2018-07-23 13:40:42,718 INFO L357 BasicCegarLoop]: trace histogram [52, 1, 1, 1] [2018-07-23 13:40:42,719 INFO L414 AbstractCegarLoop]: === Iteration 53 === [ULTIMATE.startErr0AssertViolationASSERT]=== [2018-07-23 13:40:42,719 INFO L82 PathProgramCache]: Analyzing trace with hash -579924991, now seen corresponding path program 52 times [2018-07-23 13:40:42,719 INFO L69 tionRefinementEngine]: Using refinement strategy FixedRefinementStrategy [2018-07-23 13:40:42,747 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-07-23 13:40:42,977 INFO L134 CoverageAnalysis]: Checked inductivity of 1378 backedges. 0 proven. 1378 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2018-07-23 13:40:42,977 INFO L309 seRefinementStrategy]: Constructing automaton from 0 perfect and 1 imperfect interpolant sequences. [2018-07-23 13:40:42,978 INFO L324 seRefinementStrategy]: Number of different interpolants: perfect sequences [] imperfect sequences [54] total 54 [2018-07-23 13:40:42,978 INFO L142 lantAutomatonBuilder]: Constructing canonical interpolant automaton, with selfloop in false state [2018-07-23 13:40:42,978 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2018-07-23 13:40:42,978 INFO L185 omatonBuilderFactory]: Interpolants [8064#(<= ULTIMATE.start_main_~k~5 18), 8065#(<= ULTIMATE.start_main_~k~5 19), 8066#(<= ULTIMATE.start_main_~k~5 20), 8067#(<= ULTIMATE.start_main_~k~5 21), 8068#(<= ULTIMATE.start_main_~k~5 22), 8069#(<= ULTIMATE.start_main_~k~5 23), 8070#(<= ULTIMATE.start_main_~k~5 24), 8071#(<= ULTIMATE.start_main_~k~5 25), 8072#(<= ULTIMATE.start_main_~k~5 26), 8073#(<= ULTIMATE.start_main_~k~5 27), 8074#(<= ULTIMATE.start_main_~k~5 28), 8075#(<= ULTIMATE.start_main_~k~5 29), 8076#(<= ULTIMATE.start_main_~k~5 30), 8077#(<= ULTIMATE.start_main_~k~5 31), 8078#(<= ULTIMATE.start_main_~k~5 32), 8079#(<= ULTIMATE.start_main_~k~5 33), 8080#(<= ULTIMATE.start_main_~k~5 34), 8081#(<= ULTIMATE.start_main_~k~5 35), 8082#(<= ULTIMATE.start_main_~k~5 36), 8083#(<= ULTIMATE.start_main_~k~5 37), 8084#(<= ULTIMATE.start_main_~k~5 38), 8085#(<= ULTIMATE.start_main_~k~5 39), 8086#(<= ULTIMATE.start_main_~k~5 40), 8087#(<= ULTIMATE.start_main_~k~5 41), 8088#(<= ULTIMATE.start_main_~k~5 42), 8089#(<= ULTIMATE.start_main_~k~5 43), 8090#(<= ULTIMATE.start_main_~k~5 44), 8091#(<= ULTIMATE.start_main_~k~5 45), 8092#(<= ULTIMATE.start_main_~k~5 46), 8093#(<= ULTIMATE.start_main_~k~5 47), 8094#(<= ULTIMATE.start_main_~k~5 48), 8095#(<= ULTIMATE.start_main_~k~5 49), 8096#(<= ULTIMATE.start_main_~k~5 50), 8097#(<= ULTIMATE.start_main_~k~5 51), 8098#(<= ULTIMATE.start_main_~k~5 52), 8044#true, 8045#false, 8046#(<= ULTIMATE.start_main_~k~5 0), 8047#(<= ULTIMATE.start_main_~k~5 1), 8048#(<= ULTIMATE.start_main_~k~5 2), 8049#(<= ULTIMATE.start_main_~k~5 3), 8050#(<= ULTIMATE.start_main_~k~5 4), 8051#(<= ULTIMATE.start_main_~k~5 5), 8052#(<= ULTIMATE.start_main_~k~5 6), 8053#(<= ULTIMATE.start_main_~k~5 7), 8054#(<= ULTIMATE.start_main_~k~5 8), 8055#(<= ULTIMATE.start_main_~k~5 9), 8056#(<= ULTIMATE.start_main_~k~5 10), 8057#(<= ULTIMATE.start_main_~k~5 11), 8058#(<= ULTIMATE.start_main_~k~5 12), 8059#(<= ULTIMATE.start_main_~k~5 13), 8060#(<= ULTIMATE.start_main_~k~5 14), 8061#(<= ULTIMATE.start_main_~k~5 15), 8062#(<= ULTIMATE.start_main_~k~5 16), 8063#(<= ULTIMATE.start_main_~k~5 17)] [2018-07-23 13:40:42,979 INFO L134 CoverageAnalysis]: Checked inductivity of 1378 backedges. 0 proven. 1378 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2018-07-23 13:40:42,981 INFO L450 AbstractCegarLoop]: Interpolant automaton has 55 states [2018-07-23 13:40:42,982 INFO L132 InterpolantAutomaton]: Constructing interpolant automaton starting with 55 interpolants. [2018-07-23 13:40:42,982 INFO L133 InterpolantAutomaton]: CoverageRelationStatistics Valid=1485, Invalid=1485, Unknown=0, NotChecked=0, Total=2970 [2018-07-23 13:40:42,983 INFO L87 Difference]: Start difference. First operand 56 states and 56 transitions. Second operand 55 states. [2018-07-23 13:40:43,016 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2018-07-23 13:40:43,016 INFO L93 Difference]: Finished difference Result 59 states and 59 transitions. [2018-07-23 13:40:43,016 INFO L142 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 55 states. [2018-07-23 13:40:43,016 INFO L78 Accepts]: Start accepts. Automaton has 55 states. Word has length 55 [2018-07-23 13:40:43,017 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2018-07-23 13:40:43,017 INFO L225 Difference]: With dead ends: 59 [2018-07-23 13:40:43,017 INFO L226 Difference]: Without dead ends: 57 [2018-07-23 13:40:43,018 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 13:40:43,019 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 57 states. [2018-07-23 13:40:43,021 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 57 to 57. [2018-07-23 13:40:43,021 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 57 states. [2018-07-23 13:40:43,022 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 57 states to 57 states and 57 transitions. [2018-07-23 13:40:43,022 INFO L78 Accepts]: Start accepts. Automaton has 57 states and 57 transitions. Word has length 55 [2018-07-23 13:40:43,022 INFO L84 Accepts]: Finished accepts. word is rejected. [2018-07-23 13:40:43,022 INFO L471 AbstractCegarLoop]: Abstraction has 57 states and 57 transitions. [2018-07-23 13:40:43,022 INFO L472 AbstractCegarLoop]: Interpolant automaton has 55 states. [2018-07-23 13:40:43,023 INFO L276 IsEmpty]: Start isEmpty. Operand 57 states and 57 transitions. [2018-07-23 13:40:43,023 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 57 [2018-07-23 13:40:43,023 INFO L349 BasicCegarLoop]: Found error trace [2018-07-23 13:40:43,023 INFO L357 BasicCegarLoop]: trace histogram [53, 1, 1, 1] [2018-07-23 13:40:43,024 INFO L414 AbstractCegarLoop]: === Iteration 54 === [ULTIMATE.startErr0AssertViolationASSERT]=== [2018-07-23 13:40:43,024 INFO L82 PathProgramCache]: Analyzing trace with hash -797807512, now seen corresponding path program 53 times [2018-07-23 13:40:43,024 INFO L69 tionRefinementEngine]: Using refinement strategy FixedRefinementStrategy [2018-07-23 13:40:43,049 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-07-23 13:40:43,294 INFO L134 CoverageAnalysis]: Checked inductivity of 1431 backedges. 0 proven. 1431 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2018-07-23 13:40:43,294 INFO L309 seRefinementStrategy]: Constructing automaton from 0 perfect and 1 imperfect interpolant sequences. [2018-07-23 13:40:43,294 INFO L324 seRefinementStrategy]: Number of different interpolants: perfect sequences [] imperfect sequences [55] total 55 [2018-07-23 13:40:43,295 INFO L142 lantAutomatonBuilder]: Constructing canonical interpolant automaton, with selfloop in false state [2018-07-23 13:40:43,295 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2018-07-23 13:40:43,295 INFO L185 omatonBuilderFactory]: Interpolants [8331#true, 8332#false, 8333#(<= ULTIMATE.start_main_~k~5 0), 8334#(<= ULTIMATE.start_main_~k~5 1), 8335#(<= ULTIMATE.start_main_~k~5 2), 8336#(<= ULTIMATE.start_main_~k~5 3), 8337#(<= ULTIMATE.start_main_~k~5 4), 8338#(<= ULTIMATE.start_main_~k~5 5), 8339#(<= ULTIMATE.start_main_~k~5 6), 8340#(<= ULTIMATE.start_main_~k~5 7), 8341#(<= ULTIMATE.start_main_~k~5 8), 8342#(<= ULTIMATE.start_main_~k~5 9), 8343#(<= ULTIMATE.start_main_~k~5 10), 8344#(<= ULTIMATE.start_main_~k~5 11), 8345#(<= ULTIMATE.start_main_~k~5 12), 8346#(<= ULTIMATE.start_main_~k~5 13), 8347#(<= ULTIMATE.start_main_~k~5 14), 8348#(<= ULTIMATE.start_main_~k~5 15), 8349#(<= ULTIMATE.start_main_~k~5 16), 8350#(<= ULTIMATE.start_main_~k~5 17), 8351#(<= ULTIMATE.start_main_~k~5 18), 8352#(<= ULTIMATE.start_main_~k~5 19), 8353#(<= ULTIMATE.start_main_~k~5 20), 8354#(<= ULTIMATE.start_main_~k~5 21), 8355#(<= ULTIMATE.start_main_~k~5 22), 8356#(<= ULTIMATE.start_main_~k~5 23), 8357#(<= ULTIMATE.start_main_~k~5 24), 8358#(<= ULTIMATE.start_main_~k~5 25), 8359#(<= ULTIMATE.start_main_~k~5 26), 8360#(<= ULTIMATE.start_main_~k~5 27), 8361#(<= ULTIMATE.start_main_~k~5 28), 8362#(<= ULTIMATE.start_main_~k~5 29), 8363#(<= ULTIMATE.start_main_~k~5 30), 8364#(<= ULTIMATE.start_main_~k~5 31), 8365#(<= ULTIMATE.start_main_~k~5 32), 8366#(<= ULTIMATE.start_main_~k~5 33), 8367#(<= ULTIMATE.start_main_~k~5 34), 8368#(<= ULTIMATE.start_main_~k~5 35), 8369#(<= ULTIMATE.start_main_~k~5 36), 8370#(<= ULTIMATE.start_main_~k~5 37), 8371#(<= ULTIMATE.start_main_~k~5 38), 8372#(<= ULTIMATE.start_main_~k~5 39), 8373#(<= ULTIMATE.start_main_~k~5 40), 8374#(<= ULTIMATE.start_main_~k~5 41), 8375#(<= ULTIMATE.start_main_~k~5 42), 8376#(<= ULTIMATE.start_main_~k~5 43), 8377#(<= ULTIMATE.start_main_~k~5 44), 8378#(<= ULTIMATE.start_main_~k~5 45), 8379#(<= ULTIMATE.start_main_~k~5 46), 8380#(<= ULTIMATE.start_main_~k~5 47), 8381#(<= ULTIMATE.start_main_~k~5 48), 8382#(<= ULTIMATE.start_main_~k~5 49), 8383#(<= ULTIMATE.start_main_~k~5 50), 8384#(<= ULTIMATE.start_main_~k~5 51), 8385#(<= ULTIMATE.start_main_~k~5 52), 8386#(<= ULTIMATE.start_main_~k~5 53)] [2018-07-23 13:40:43,296 INFO L134 CoverageAnalysis]: Checked inductivity of 1431 backedges. 0 proven. 1431 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2018-07-23 13:40:43,296 INFO L450 AbstractCegarLoop]: Interpolant automaton has 56 states [2018-07-23 13:40:43,297 INFO L132 InterpolantAutomaton]: Constructing interpolant automaton starting with 56 interpolants. [2018-07-23 13:40:43,298 INFO L133 InterpolantAutomaton]: CoverageRelationStatistics Valid=1540, Invalid=1540, Unknown=0, NotChecked=0, Total=3080 [2018-07-23 13:40:43,298 INFO L87 Difference]: Start difference. First operand 57 states and 57 transitions. Second operand 56 states. [2018-07-23 13:40:43,350 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2018-07-23 13:40:43,350 INFO L93 Difference]: Finished difference Result 60 states and 60 transitions. [2018-07-23 13:40:43,351 INFO L142 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 56 states. [2018-07-23 13:40:43,351 INFO L78 Accepts]: Start accepts. Automaton has 56 states. Word has length 56 [2018-07-23 13:40:43,351 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2018-07-23 13:40:43,352 INFO L225 Difference]: With dead ends: 60 [2018-07-23 13:40:43,352 INFO L226 Difference]: Without dead ends: 58 [2018-07-23 13:40:43,354 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 13:40:43,354 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 58 states. [2018-07-23 13:40:43,356 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 58 to 58. [2018-07-23 13:40:43,356 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 58 states. [2018-07-23 13:40:43,357 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 58 states to 58 states and 58 transitions. [2018-07-23 13:40:43,357 INFO L78 Accepts]: Start accepts. Automaton has 58 states and 58 transitions. Word has length 56 [2018-07-23 13:40:43,358 INFO L84 Accepts]: Finished accepts. word is rejected. [2018-07-23 13:40:43,358 INFO L471 AbstractCegarLoop]: Abstraction has 58 states and 58 transitions. [2018-07-23 13:40:43,359 INFO L472 AbstractCegarLoop]: Interpolant automaton has 56 states. [2018-07-23 13:40:43,359 INFO L276 IsEmpty]: Start isEmpty. Operand 58 states and 58 transitions. [2018-07-23 13:40:43,359 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 58 [2018-07-23 13:40:43,359 INFO L349 BasicCegarLoop]: Found error trace [2018-07-23 13:40:43,397 INFO L357 BasicCegarLoop]: trace histogram [54, 1, 1, 1] [2018-07-23 13:40:43,397 INFO L414 AbstractCegarLoop]: === Iteration 55 === [ULTIMATE.startErr0AssertViolationASSERT]=== [2018-07-23 13:40:43,397 INFO L82 PathProgramCache]: Analyzing trace with hash 1037768929, now seen corresponding path program 54 times [2018-07-23 13:40:43,397 INFO L69 tionRefinementEngine]: Using refinement strategy FixedRefinementStrategy [2018-07-23 13:40:43,442 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-07-23 13:40:43,647 INFO L134 CoverageAnalysis]: Checked inductivity of 1485 backedges. 0 proven. 1485 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2018-07-23 13:40:43,648 INFO L309 seRefinementStrategy]: Constructing automaton from 0 perfect and 1 imperfect interpolant sequences. [2018-07-23 13:40:43,648 INFO L324 seRefinementStrategy]: Number of different interpolants: perfect sequences [] imperfect sequences [56] total 56 [2018-07-23 13:40:43,648 INFO L142 lantAutomatonBuilder]: Constructing canonical interpolant automaton, with selfloop in false state [2018-07-23 13:40:43,648 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2018-07-23 13:40:43,649 INFO L185 omatonBuilderFactory]: Interpolants [8623#true, 8624#false, 8625#(<= ULTIMATE.start_main_~k~5 0), 8626#(<= ULTIMATE.start_main_~k~5 1), 8627#(<= ULTIMATE.start_main_~k~5 2), 8628#(<= ULTIMATE.start_main_~k~5 3), 8629#(<= ULTIMATE.start_main_~k~5 4), 8630#(<= ULTIMATE.start_main_~k~5 5), 8631#(<= ULTIMATE.start_main_~k~5 6), 8632#(<= ULTIMATE.start_main_~k~5 7), 8633#(<= ULTIMATE.start_main_~k~5 8), 8634#(<= ULTIMATE.start_main_~k~5 9), 8635#(<= ULTIMATE.start_main_~k~5 10), 8636#(<= ULTIMATE.start_main_~k~5 11), 8637#(<= ULTIMATE.start_main_~k~5 12), 8638#(<= ULTIMATE.start_main_~k~5 13), 8639#(<= ULTIMATE.start_main_~k~5 14), 8640#(<= ULTIMATE.start_main_~k~5 15), 8641#(<= ULTIMATE.start_main_~k~5 16), 8642#(<= ULTIMATE.start_main_~k~5 17), 8643#(<= ULTIMATE.start_main_~k~5 18), 8644#(<= ULTIMATE.start_main_~k~5 19), 8645#(<= ULTIMATE.start_main_~k~5 20), 8646#(<= ULTIMATE.start_main_~k~5 21), 8647#(<= ULTIMATE.start_main_~k~5 22), 8648#(<= ULTIMATE.start_main_~k~5 23), 8649#(<= ULTIMATE.start_main_~k~5 24), 8650#(<= ULTIMATE.start_main_~k~5 25), 8651#(<= ULTIMATE.start_main_~k~5 26), 8652#(<= ULTIMATE.start_main_~k~5 27), 8653#(<= ULTIMATE.start_main_~k~5 28), 8654#(<= ULTIMATE.start_main_~k~5 29), 8655#(<= ULTIMATE.start_main_~k~5 30), 8656#(<= ULTIMATE.start_main_~k~5 31), 8657#(<= ULTIMATE.start_main_~k~5 32), 8658#(<= ULTIMATE.start_main_~k~5 33), 8659#(<= ULTIMATE.start_main_~k~5 34), 8660#(<= ULTIMATE.start_main_~k~5 35), 8661#(<= ULTIMATE.start_main_~k~5 36), 8662#(<= ULTIMATE.start_main_~k~5 37), 8663#(<= ULTIMATE.start_main_~k~5 38), 8664#(<= ULTIMATE.start_main_~k~5 39), 8665#(<= ULTIMATE.start_main_~k~5 40), 8666#(<= ULTIMATE.start_main_~k~5 41), 8667#(<= ULTIMATE.start_main_~k~5 42), 8668#(<= ULTIMATE.start_main_~k~5 43), 8669#(<= ULTIMATE.start_main_~k~5 44), 8670#(<= ULTIMATE.start_main_~k~5 45), 8671#(<= ULTIMATE.start_main_~k~5 46), 8672#(<= ULTIMATE.start_main_~k~5 47), 8673#(<= ULTIMATE.start_main_~k~5 48), 8674#(<= ULTIMATE.start_main_~k~5 49), 8675#(<= ULTIMATE.start_main_~k~5 50), 8676#(<= ULTIMATE.start_main_~k~5 51), 8677#(<= ULTIMATE.start_main_~k~5 52), 8678#(<= ULTIMATE.start_main_~k~5 53), 8679#(<= ULTIMATE.start_main_~k~5 54)] [2018-07-23 13:40:43,649 INFO L134 CoverageAnalysis]: Checked inductivity of 1485 backedges. 0 proven. 1485 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2018-07-23 13:40:43,649 INFO L450 AbstractCegarLoop]: Interpolant automaton has 57 states [2018-07-23 13:40:43,650 INFO L132 InterpolantAutomaton]: Constructing interpolant automaton starting with 57 interpolants. [2018-07-23 13:40:43,651 INFO L133 InterpolantAutomaton]: CoverageRelationStatistics Valid=1596, Invalid=1596, Unknown=0, NotChecked=0, Total=3192 [2018-07-23 13:40:43,651 INFO L87 Difference]: Start difference. First operand 58 states and 58 transitions. Second operand 57 states. [2018-07-23 13:40:43,695 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2018-07-23 13:40:43,695 INFO L93 Difference]: Finished difference Result 61 states and 61 transitions. [2018-07-23 13:40:43,696 INFO L142 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 57 states. [2018-07-23 13:40:43,696 INFO L78 Accepts]: Start accepts. Automaton has 57 states. Word has length 57 [2018-07-23 13:40:43,696 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2018-07-23 13:40:43,696 INFO L225 Difference]: With dead ends: 61 [2018-07-23 13:40:43,697 INFO L226 Difference]: Without dead ends: 59 [2018-07-23 13:40:43,699 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 13:40:43,699 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 59 states. [2018-07-23 13:40:43,701 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 59 to 59. [2018-07-23 13:40:43,701 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 59 states. [2018-07-23 13:40:43,702 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 59 states to 59 states and 59 transitions. [2018-07-23 13:40:43,702 INFO L78 Accepts]: Start accepts. Automaton has 59 states and 59 transitions. Word has length 57 [2018-07-23 13:40:43,702 INFO L84 Accepts]: Finished accepts. word is rejected. [2018-07-23 13:40:43,702 INFO L471 AbstractCegarLoop]: Abstraction has 59 states and 59 transitions. [2018-07-23 13:40:43,702 INFO L472 AbstractCegarLoop]: Interpolant automaton has 57 states. [2018-07-23 13:40:43,702 INFO L276 IsEmpty]: Start isEmpty. Operand 59 states and 59 transitions. [2018-07-23 13:40:43,703 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 59 [2018-07-23 13:40:43,703 INFO L349 BasicCegarLoop]: Found error trace [2018-07-23 13:40:43,703 INFO L357 BasicCegarLoop]: trace histogram [55, 1, 1, 1] [2018-07-23 13:40:43,703 INFO L414 AbstractCegarLoop]: === Iteration 56 === [ULTIMATE.startErr0AssertViolationASSERT]=== [2018-07-23 13:40:43,704 INFO L82 PathProgramCache]: Analyzing trace with hash 2106063752, now seen corresponding path program 55 times [2018-07-23 13:40:43,704 INFO L69 tionRefinementEngine]: Using refinement strategy FixedRefinementStrategy [2018-07-23 13:40:43,723 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-07-23 13:40:43,937 INFO L134 CoverageAnalysis]: Checked inductivity of 1540 backedges. 0 proven. 1540 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2018-07-23 13:40:43,937 INFO L309 seRefinementStrategy]: Constructing automaton from 0 perfect and 1 imperfect interpolant sequences. [2018-07-23 13:40:43,937 INFO L324 seRefinementStrategy]: Number of different interpolants: perfect sequences [] imperfect sequences [57] total 57 [2018-07-23 13:40:43,938 INFO L142 lantAutomatonBuilder]: Constructing canonical interpolant automaton, with selfloop in false state [2018-07-23 13:40:43,938 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 13:40:43,938 INFO L185 omatonBuilderFactory]: Interpolants [8960#(<= ULTIMATE.start_main_~k~5 38), 8961#(<= ULTIMATE.start_main_~k~5 39), 8962#(<= ULTIMATE.start_main_~k~5 40), 8963#(<= ULTIMATE.start_main_~k~5 41), 8964#(<= ULTIMATE.start_main_~k~5 42), 8965#(<= ULTIMATE.start_main_~k~5 43), 8966#(<= ULTIMATE.start_main_~k~5 44), 8967#(<= ULTIMATE.start_main_~k~5 45), 8968#(<= ULTIMATE.start_main_~k~5 46), 8969#(<= ULTIMATE.start_main_~k~5 47), 8970#(<= ULTIMATE.start_main_~k~5 48), 8971#(<= ULTIMATE.start_main_~k~5 49), 8972#(<= ULTIMATE.start_main_~k~5 50), 8973#(<= ULTIMATE.start_main_~k~5 51), 8974#(<= ULTIMATE.start_main_~k~5 52), 8975#(<= ULTIMATE.start_main_~k~5 53), 8976#(<= ULTIMATE.start_main_~k~5 54), 8977#(<= ULTIMATE.start_main_~k~5 55), 8920#true, 8921#false, 8922#(<= ULTIMATE.start_main_~k~5 0), 8923#(<= ULTIMATE.start_main_~k~5 1), 8924#(<= ULTIMATE.start_main_~k~5 2), 8925#(<= ULTIMATE.start_main_~k~5 3), 8926#(<= ULTIMATE.start_main_~k~5 4), 8927#(<= ULTIMATE.start_main_~k~5 5), 8928#(<= ULTIMATE.start_main_~k~5 6), 8929#(<= ULTIMATE.start_main_~k~5 7), 8930#(<= ULTIMATE.start_main_~k~5 8), 8931#(<= ULTIMATE.start_main_~k~5 9), 8932#(<= ULTIMATE.start_main_~k~5 10), 8933#(<= ULTIMATE.start_main_~k~5 11), 8934#(<= ULTIMATE.start_main_~k~5 12), 8935#(<= ULTIMATE.start_main_~k~5 13), 8936#(<= ULTIMATE.start_main_~k~5 14), 8937#(<= ULTIMATE.start_main_~k~5 15), 8938#(<= ULTIMATE.start_main_~k~5 16), 8939#(<= ULTIMATE.start_main_~k~5 17), 8940#(<= ULTIMATE.start_main_~k~5 18), 8941#(<= ULTIMATE.start_main_~k~5 19), 8942#(<= ULTIMATE.start_main_~k~5 20), 8943#(<= ULTIMATE.start_main_~k~5 21), 8944#(<= ULTIMATE.start_main_~k~5 22), 8945#(<= ULTIMATE.start_main_~k~5 23), 8946#(<= ULTIMATE.start_main_~k~5 24), 8947#(<= ULTIMATE.start_main_~k~5 25), 8948#(<= ULTIMATE.start_main_~k~5 26), 8949#(<= ULTIMATE.start_main_~k~5 27), 8950#(<= ULTIMATE.start_main_~k~5 28), 8951#(<= ULTIMATE.start_main_~k~5 29), 8952#(<= ULTIMATE.start_main_~k~5 30), 8953#(<= ULTIMATE.start_main_~k~5 31), 8954#(<= ULTIMATE.start_main_~k~5 32), 8955#(<= ULTIMATE.start_main_~k~5 33), 8956#(<= ULTIMATE.start_main_~k~5 34), 8957#(<= ULTIMATE.start_main_~k~5 35), 8958#(<= ULTIMATE.start_main_~k~5 36), 8959#(<= ULTIMATE.start_main_~k~5 37)] [2018-07-23 13:40:43,939 INFO L134 CoverageAnalysis]: Checked inductivity of 1540 backedges. 0 proven. 1540 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2018-07-23 13:40:43,939 INFO L450 AbstractCegarLoop]: Interpolant automaton has 58 states [2018-07-23 13:40:43,940 INFO L132 InterpolantAutomaton]: Constructing interpolant automaton starting with 58 interpolants. [2018-07-23 13:40:43,941 INFO L133 InterpolantAutomaton]: CoverageRelationStatistics Valid=1653, Invalid=1653, Unknown=0, NotChecked=0, Total=3306 [2018-07-23 13:40:43,941 INFO L87 Difference]: Start difference. First operand 59 states and 59 transitions. Second operand 58 states. [2018-07-23 13:40:43,976 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2018-07-23 13:40:43,976 INFO L93 Difference]: Finished difference Result 62 states and 62 transitions. [2018-07-23 13:40:43,976 INFO L142 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 58 states. [2018-07-23 13:40:43,976 INFO L78 Accepts]: Start accepts. Automaton has 58 states. Word has length 58 [2018-07-23 13:40:43,977 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2018-07-23 13:40:43,977 INFO L225 Difference]: With dead ends: 62 [2018-07-23 13:40:43,977 INFO L226 Difference]: Without dead ends: 60 [2018-07-23 13:40:43,978 INFO L575 BasicCegarLoop]: 0 DeclaredPredicates, 57 GetRequests, 1 SyntacticMatches, 0 SemanticMatches, 56 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 0 ImplicationChecksByTransitivity, 0.1s TimeCoverageRelationStatistics Valid=1653, Invalid=1653, Unknown=0, NotChecked=0, Total=3306 [2018-07-23 13:40:43,979 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 60 states. [2018-07-23 13:40:43,981 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 60 to 60. [2018-07-23 13:40:43,981 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 60 states. [2018-07-23 13:40:43,981 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 60 states to 60 states and 60 transitions. [2018-07-23 13:40:43,981 INFO L78 Accepts]: Start accepts. Automaton has 60 states and 60 transitions. Word has length 58 [2018-07-23 13:40:43,982 INFO L84 Accepts]: Finished accepts. word is rejected. [2018-07-23 13:40:43,982 INFO L471 AbstractCegarLoop]: Abstraction has 60 states and 60 transitions. [2018-07-23 13:40:43,982 INFO L472 AbstractCegarLoop]: Interpolant automaton has 58 states. [2018-07-23 13:40:43,982 INFO L276 IsEmpty]: Start isEmpty. Operand 60 states and 60 transitions. [2018-07-23 13:40:43,982 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 60 [2018-07-23 13:40:43,983 INFO L349 BasicCegarLoop]: Found error trace [2018-07-23 13:40:43,983 INFO L357 BasicCegarLoop]: trace histogram [56, 1, 1, 1] [2018-07-23 13:40:43,983 INFO L414 AbstractCegarLoop]: === Iteration 57 === [ULTIMATE.startErr0AssertViolationASSERT]=== [2018-07-23 13:40:43,983 INFO L82 PathProgramCache]: Analyzing trace with hash 863464897, now seen corresponding path program 56 times [2018-07-23 13:40:43,983 INFO L69 tionRefinementEngine]: Using refinement strategy FixedRefinementStrategy [2018-07-23 13:40:44,002 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-07-23 13:40:44,228 INFO L134 CoverageAnalysis]: Checked inductivity of 1596 backedges. 0 proven. 1596 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2018-07-23 13:40:44,228 INFO L309 seRefinementStrategy]: Constructing automaton from 0 perfect and 1 imperfect interpolant sequences. [2018-07-23 13:40:44,228 INFO L324 seRefinementStrategy]: Number of different interpolants: perfect sequences [] imperfect sequences [58] total 58 [2018-07-23 13:40:44,229 INFO L142 lantAutomatonBuilder]: Constructing canonical interpolant automaton, with selfloop in false state [2018-07-23 13:40:44,229 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2018-07-23 13:40:44,229 INFO L185 omatonBuilderFactory]: Interpolants [9222#true, 9223#false, 9224#(<= ULTIMATE.start_main_~k~5 0), 9225#(<= ULTIMATE.start_main_~k~5 1), 9226#(<= ULTIMATE.start_main_~k~5 2), 9227#(<= ULTIMATE.start_main_~k~5 3), 9228#(<= ULTIMATE.start_main_~k~5 4), 9229#(<= ULTIMATE.start_main_~k~5 5), 9230#(<= ULTIMATE.start_main_~k~5 6), 9231#(<= ULTIMATE.start_main_~k~5 7), 9232#(<= ULTIMATE.start_main_~k~5 8), 9233#(<= ULTIMATE.start_main_~k~5 9), 9234#(<= ULTIMATE.start_main_~k~5 10), 9235#(<= ULTIMATE.start_main_~k~5 11), 9236#(<= ULTIMATE.start_main_~k~5 12), 9237#(<= ULTIMATE.start_main_~k~5 13), 9238#(<= ULTIMATE.start_main_~k~5 14), 9239#(<= ULTIMATE.start_main_~k~5 15), 9240#(<= ULTIMATE.start_main_~k~5 16), 9241#(<= ULTIMATE.start_main_~k~5 17), 9242#(<= ULTIMATE.start_main_~k~5 18), 9243#(<= ULTIMATE.start_main_~k~5 19), 9244#(<= ULTIMATE.start_main_~k~5 20), 9245#(<= ULTIMATE.start_main_~k~5 21), 9246#(<= ULTIMATE.start_main_~k~5 22), 9247#(<= ULTIMATE.start_main_~k~5 23), 9248#(<= ULTIMATE.start_main_~k~5 24), 9249#(<= ULTIMATE.start_main_~k~5 25), 9250#(<= ULTIMATE.start_main_~k~5 26), 9251#(<= ULTIMATE.start_main_~k~5 27), 9252#(<= ULTIMATE.start_main_~k~5 28), 9253#(<= ULTIMATE.start_main_~k~5 29), 9254#(<= ULTIMATE.start_main_~k~5 30), 9255#(<= ULTIMATE.start_main_~k~5 31), 9256#(<= ULTIMATE.start_main_~k~5 32), 9257#(<= ULTIMATE.start_main_~k~5 33), 9258#(<= ULTIMATE.start_main_~k~5 34), 9259#(<= ULTIMATE.start_main_~k~5 35), 9260#(<= ULTIMATE.start_main_~k~5 36), 9261#(<= ULTIMATE.start_main_~k~5 37), 9262#(<= ULTIMATE.start_main_~k~5 38), 9263#(<= ULTIMATE.start_main_~k~5 39), 9264#(<= ULTIMATE.start_main_~k~5 40), 9265#(<= ULTIMATE.start_main_~k~5 41), 9266#(<= ULTIMATE.start_main_~k~5 42), 9267#(<= ULTIMATE.start_main_~k~5 43), 9268#(<= ULTIMATE.start_main_~k~5 44), 9269#(<= ULTIMATE.start_main_~k~5 45), 9270#(<= ULTIMATE.start_main_~k~5 46), 9271#(<= ULTIMATE.start_main_~k~5 47), 9272#(<= ULTIMATE.start_main_~k~5 48), 9273#(<= ULTIMATE.start_main_~k~5 49), 9274#(<= ULTIMATE.start_main_~k~5 50), 9275#(<= ULTIMATE.start_main_~k~5 51), 9276#(<= ULTIMATE.start_main_~k~5 52), 9277#(<= ULTIMATE.start_main_~k~5 53), 9278#(<= ULTIMATE.start_main_~k~5 54), 9279#(<= ULTIMATE.start_main_~k~5 55), 9280#(<= ULTIMATE.start_main_~k~5 56)] [2018-07-23 13:40:44,230 INFO L134 CoverageAnalysis]: Checked inductivity of 1596 backedges. 0 proven. 1596 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2018-07-23 13:40:44,230 INFO L450 AbstractCegarLoop]: Interpolant automaton has 59 states [2018-07-23 13:40:44,231 INFO L132 InterpolantAutomaton]: Constructing interpolant automaton starting with 59 interpolants. [2018-07-23 13:40:44,232 INFO L133 InterpolantAutomaton]: CoverageRelationStatistics Valid=1711, Invalid=1711, Unknown=0, NotChecked=0, Total=3422 [2018-07-23 13:40:44,232 INFO L87 Difference]: Start difference. First operand 60 states and 60 transitions. Second operand 59 states. [2018-07-23 13:40:44,282 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2018-07-23 13:40:44,282 INFO L93 Difference]: Finished difference Result 63 states and 63 transitions. [2018-07-23 13:40:44,282 INFO L142 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 59 states. [2018-07-23 13:40:44,283 INFO L78 Accepts]: Start accepts. Automaton has 59 states. Word has length 59 [2018-07-23 13:40:44,283 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2018-07-23 13:40:44,283 INFO L225 Difference]: With dead ends: 63 [2018-07-23 13:40:44,283 INFO L226 Difference]: Without dead ends: 61 [2018-07-23 13:40:44,285 INFO L575 BasicCegarLoop]: 0 DeclaredPredicates, 58 GetRequests, 1 SyntacticMatches, 0 SemanticMatches, 57 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 0 ImplicationChecksByTransitivity, 0.1s TimeCoverageRelationStatistics Valid=1711, Invalid=1711, Unknown=0, NotChecked=0, Total=3422 [2018-07-23 13:40:44,285 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 61 states. [2018-07-23 13:40:44,288 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 61 to 61. [2018-07-23 13:40:44,288 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 61 states. [2018-07-23 13:40:44,288 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 61 states to 61 states and 61 transitions. [2018-07-23 13:40:44,289 INFO L78 Accepts]: Start accepts. Automaton has 61 states and 61 transitions. Word has length 59 [2018-07-23 13:40:44,289 INFO L84 Accepts]: Finished accepts. word is rejected. [2018-07-23 13:40:44,289 INFO L471 AbstractCegarLoop]: Abstraction has 61 states and 61 transitions. [2018-07-23 13:40:44,289 INFO L472 AbstractCegarLoop]: Interpolant automaton has 59 states. [2018-07-23 13:40:44,289 INFO L276 IsEmpty]: Start isEmpty. Operand 61 states and 61 transitions. [2018-07-23 13:40:44,290 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 61 [2018-07-23 13:40:44,290 INFO L349 BasicCegarLoop]: Found error trace [2018-07-23 13:40:44,290 INFO L357 BasicCegarLoop]: trace histogram [57, 1, 1, 1] [2018-07-23 13:40:44,290 INFO L414 AbstractCegarLoop]: === Iteration 58 === [ULTIMATE.startErr0AssertViolationASSERT]=== [2018-07-23 13:40:44,290 INFO L82 PathProgramCache]: Analyzing trace with hash 997606056, now seen corresponding path program 57 times [2018-07-23 13:40:44,290 INFO L69 tionRefinementEngine]: Using refinement strategy FixedRefinementStrategy [2018-07-23 13:40:44,311 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-07-23 13:40:44,539 INFO L134 CoverageAnalysis]: Checked inductivity of 1653 backedges. 0 proven. 1653 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2018-07-23 13:40:44,539 INFO L309 seRefinementStrategy]: Constructing automaton from 0 perfect and 1 imperfect interpolant sequences. [2018-07-23 13:40:44,539 INFO L324 seRefinementStrategy]: Number of different interpolants: perfect sequences [] imperfect sequences [59] total 59 [2018-07-23 13:40:44,539 INFO L142 lantAutomatonBuilder]: Constructing canonical interpolant automaton, with selfloop in false state [2018-07-23 13:40:44,540 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2018-07-23 13:40:44,540 INFO L185 omatonBuilderFactory]: Interpolants [9529#true, 9530#false, 9531#(<= ULTIMATE.start_main_~k~5 0), 9532#(<= ULTIMATE.start_main_~k~5 1), 9533#(<= ULTIMATE.start_main_~k~5 2), 9534#(<= ULTIMATE.start_main_~k~5 3), 9535#(<= ULTIMATE.start_main_~k~5 4), 9536#(<= ULTIMATE.start_main_~k~5 5), 9537#(<= ULTIMATE.start_main_~k~5 6), 9538#(<= ULTIMATE.start_main_~k~5 7), 9539#(<= ULTIMATE.start_main_~k~5 8), 9540#(<= ULTIMATE.start_main_~k~5 9), 9541#(<= ULTIMATE.start_main_~k~5 10), 9542#(<= ULTIMATE.start_main_~k~5 11), 9543#(<= ULTIMATE.start_main_~k~5 12), 9544#(<= ULTIMATE.start_main_~k~5 13), 9545#(<= ULTIMATE.start_main_~k~5 14), 9546#(<= ULTIMATE.start_main_~k~5 15), 9547#(<= ULTIMATE.start_main_~k~5 16), 9548#(<= ULTIMATE.start_main_~k~5 17), 9549#(<= ULTIMATE.start_main_~k~5 18), 9550#(<= ULTIMATE.start_main_~k~5 19), 9551#(<= ULTIMATE.start_main_~k~5 20), 9552#(<= ULTIMATE.start_main_~k~5 21), 9553#(<= ULTIMATE.start_main_~k~5 22), 9554#(<= ULTIMATE.start_main_~k~5 23), 9555#(<= ULTIMATE.start_main_~k~5 24), 9556#(<= ULTIMATE.start_main_~k~5 25), 9557#(<= ULTIMATE.start_main_~k~5 26), 9558#(<= ULTIMATE.start_main_~k~5 27), 9559#(<= ULTIMATE.start_main_~k~5 28), 9560#(<= ULTIMATE.start_main_~k~5 29), 9561#(<= ULTIMATE.start_main_~k~5 30), 9562#(<= ULTIMATE.start_main_~k~5 31), 9563#(<= ULTIMATE.start_main_~k~5 32), 9564#(<= ULTIMATE.start_main_~k~5 33), 9565#(<= ULTIMATE.start_main_~k~5 34), 9566#(<= ULTIMATE.start_main_~k~5 35), 9567#(<= ULTIMATE.start_main_~k~5 36), 9568#(<= ULTIMATE.start_main_~k~5 37), 9569#(<= ULTIMATE.start_main_~k~5 38), 9570#(<= ULTIMATE.start_main_~k~5 39), 9571#(<= ULTIMATE.start_main_~k~5 40), 9572#(<= ULTIMATE.start_main_~k~5 41), 9573#(<= ULTIMATE.start_main_~k~5 42), 9574#(<= ULTIMATE.start_main_~k~5 43), 9575#(<= ULTIMATE.start_main_~k~5 44), 9576#(<= ULTIMATE.start_main_~k~5 45), 9577#(<= ULTIMATE.start_main_~k~5 46), 9578#(<= ULTIMATE.start_main_~k~5 47), 9579#(<= ULTIMATE.start_main_~k~5 48), 9580#(<= ULTIMATE.start_main_~k~5 49), 9581#(<= ULTIMATE.start_main_~k~5 50), 9582#(<= ULTIMATE.start_main_~k~5 51), 9583#(<= ULTIMATE.start_main_~k~5 52), 9584#(<= ULTIMATE.start_main_~k~5 53), 9585#(<= ULTIMATE.start_main_~k~5 54), 9586#(<= ULTIMATE.start_main_~k~5 55), 9587#(<= ULTIMATE.start_main_~k~5 56), 9588#(<= ULTIMATE.start_main_~k~5 57)] [2018-07-23 13:40:44,541 INFO L134 CoverageAnalysis]: Checked inductivity of 1653 backedges. 0 proven. 1653 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2018-07-23 13:40:44,541 INFO L450 AbstractCegarLoop]: Interpolant automaton has 60 states [2018-07-23 13:40:44,542 INFO L132 InterpolantAutomaton]: Constructing interpolant automaton starting with 60 interpolants. [2018-07-23 13:40:44,542 INFO L133 InterpolantAutomaton]: CoverageRelationStatistics Valid=1770, Invalid=1770, Unknown=0, NotChecked=0, Total=3540 [2018-07-23 13:40:44,543 INFO L87 Difference]: Start difference. First operand 61 states and 61 transitions. Second operand 60 states. [2018-07-23 13:40:44,590 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2018-07-23 13:40:44,591 INFO L93 Difference]: Finished difference Result 64 states and 64 transitions. [2018-07-23 13:40:44,591 INFO L142 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 60 states. [2018-07-23 13:40:44,591 INFO L78 Accepts]: Start accepts. Automaton has 60 states. Word has length 60 [2018-07-23 13:40:44,591 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2018-07-23 13:40:44,592 INFO L225 Difference]: With dead ends: 64 [2018-07-23 13:40:44,592 INFO L226 Difference]: Without dead ends: 62 [2018-07-23 13:40:44,593 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 13:40:44,593 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 62 states. [2018-07-23 13:40:44,595 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 62 to 62. [2018-07-23 13:40:44,595 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 62 states. [2018-07-23 13:40:44,596 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 62 states to 62 states and 62 transitions. [2018-07-23 13:40:44,596 INFO L78 Accepts]: Start accepts. Automaton has 62 states and 62 transitions. Word has length 60 [2018-07-23 13:40:44,596 INFO L84 Accepts]: Finished accepts. word is rejected. [2018-07-23 13:40:44,596 INFO L471 AbstractCegarLoop]: Abstraction has 62 states and 62 transitions. [2018-07-23 13:40:44,596 INFO L472 AbstractCegarLoop]: Interpolant automaton has 60 states. [2018-07-23 13:40:44,596 INFO L276 IsEmpty]: Start isEmpty. Operand 62 states and 62 transitions. [2018-07-23 13:40:44,597 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 62 [2018-07-23 13:40:44,597 INFO L349 BasicCegarLoop]: Found error trace [2018-07-23 13:40:44,597 INFO L357 BasicCegarLoop]: trace histogram [58, 1, 1, 1] [2018-07-23 13:40:44,597 INFO L414 AbstractCegarLoop]: === Iteration 59 === [ULTIMATE.startErr0AssertViolationASSERT]=== [2018-07-23 13:40:44,598 INFO L82 PathProgramCache]: Analyzing trace with hash 861014689, now seen corresponding path program 58 times [2018-07-23 13:40:44,598 INFO L69 tionRefinementEngine]: Using refinement strategy FixedRefinementStrategy [2018-07-23 13:40:44,621 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-07-23 13:40:44,856 INFO L134 CoverageAnalysis]: Checked inductivity of 1711 backedges. 0 proven. 1711 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2018-07-23 13:40:44,857 INFO L309 seRefinementStrategy]: Constructing automaton from 0 perfect and 1 imperfect interpolant sequences. [2018-07-23 13:40:44,857 INFO L324 seRefinementStrategy]: Number of different interpolants: perfect sequences [] imperfect sequences [60] total 60 [2018-07-23 13:40:44,857 INFO L142 lantAutomatonBuilder]: Constructing canonical interpolant automaton, with selfloop in false state [2018-07-23 13:40:44,857 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 13:40:44,858 INFO L185 omatonBuilderFactory]: Interpolants [9856#(<= ULTIMATE.start_main_~k~5 13), 9857#(<= ULTIMATE.start_main_~k~5 14), 9858#(<= ULTIMATE.start_main_~k~5 15), 9859#(<= ULTIMATE.start_main_~k~5 16), 9860#(<= ULTIMATE.start_main_~k~5 17), 9861#(<= ULTIMATE.start_main_~k~5 18), 9862#(<= ULTIMATE.start_main_~k~5 19), 9863#(<= ULTIMATE.start_main_~k~5 20), 9864#(<= ULTIMATE.start_main_~k~5 21), 9865#(<= ULTIMATE.start_main_~k~5 22), 9866#(<= ULTIMATE.start_main_~k~5 23), 9867#(<= ULTIMATE.start_main_~k~5 24), 9868#(<= ULTIMATE.start_main_~k~5 25), 9869#(<= ULTIMATE.start_main_~k~5 26), 9870#(<= ULTIMATE.start_main_~k~5 27), 9871#(<= ULTIMATE.start_main_~k~5 28), 9872#(<= ULTIMATE.start_main_~k~5 29), 9873#(<= ULTIMATE.start_main_~k~5 30), 9874#(<= ULTIMATE.start_main_~k~5 31), 9875#(<= ULTIMATE.start_main_~k~5 32), 9876#(<= ULTIMATE.start_main_~k~5 33), 9877#(<= ULTIMATE.start_main_~k~5 34), 9878#(<= ULTIMATE.start_main_~k~5 35), 9879#(<= ULTIMATE.start_main_~k~5 36), 9880#(<= ULTIMATE.start_main_~k~5 37), 9881#(<= ULTIMATE.start_main_~k~5 38), 9882#(<= ULTIMATE.start_main_~k~5 39), 9883#(<= ULTIMATE.start_main_~k~5 40), 9884#(<= ULTIMATE.start_main_~k~5 41), 9885#(<= ULTIMATE.start_main_~k~5 42), 9886#(<= ULTIMATE.start_main_~k~5 43), 9887#(<= ULTIMATE.start_main_~k~5 44), 9888#(<= ULTIMATE.start_main_~k~5 45), 9889#(<= ULTIMATE.start_main_~k~5 46), 9890#(<= ULTIMATE.start_main_~k~5 47), 9891#(<= ULTIMATE.start_main_~k~5 48), 9892#(<= ULTIMATE.start_main_~k~5 49), 9893#(<= ULTIMATE.start_main_~k~5 50), 9894#(<= ULTIMATE.start_main_~k~5 51), 9895#(<= ULTIMATE.start_main_~k~5 52), 9896#(<= ULTIMATE.start_main_~k~5 53), 9897#(<= ULTIMATE.start_main_~k~5 54), 9898#(<= ULTIMATE.start_main_~k~5 55), 9899#(<= ULTIMATE.start_main_~k~5 56), 9900#(<= ULTIMATE.start_main_~k~5 57), 9901#(<= ULTIMATE.start_main_~k~5 58), 9841#true, 9842#false, 9843#(<= ULTIMATE.start_main_~k~5 0), 9844#(<= ULTIMATE.start_main_~k~5 1), 9845#(<= ULTIMATE.start_main_~k~5 2), 9846#(<= ULTIMATE.start_main_~k~5 3), 9847#(<= ULTIMATE.start_main_~k~5 4), 9848#(<= ULTIMATE.start_main_~k~5 5), 9849#(<= ULTIMATE.start_main_~k~5 6), 9850#(<= ULTIMATE.start_main_~k~5 7), 9851#(<= ULTIMATE.start_main_~k~5 8), 9852#(<= ULTIMATE.start_main_~k~5 9), 9853#(<= ULTIMATE.start_main_~k~5 10), 9854#(<= ULTIMATE.start_main_~k~5 11), 9855#(<= ULTIMATE.start_main_~k~5 12)] [2018-07-23 13:40:44,858 INFO L134 CoverageAnalysis]: Checked inductivity of 1711 backedges. 0 proven. 1711 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2018-07-23 13:40:44,859 INFO L450 AbstractCegarLoop]: Interpolant automaton has 61 states [2018-07-23 13:40:44,859 INFO L132 InterpolantAutomaton]: Constructing interpolant automaton starting with 61 interpolants. [2018-07-23 13:40:44,860 INFO L133 InterpolantAutomaton]: CoverageRelationStatistics Valid=1830, Invalid=1830, Unknown=0, NotChecked=0, Total=3660 [2018-07-23 13:40:44,862 INFO L87 Difference]: Start difference. First operand 62 states and 62 transitions. Second operand 61 states. [2018-07-23 13:40:44,908 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2018-07-23 13:40:44,908 INFO L93 Difference]: Finished difference Result 65 states and 65 transitions. [2018-07-23 13:40:44,908 INFO L142 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 61 states. [2018-07-23 13:40:44,908 INFO L78 Accepts]: Start accepts. Automaton has 61 states. Word has length 61 [2018-07-23 13:40:44,909 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2018-07-23 13:40:44,909 INFO L225 Difference]: With dead ends: 65 [2018-07-23 13:40:44,909 INFO L226 Difference]: Without dead ends: 63 [2018-07-23 13:40:44,910 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 13:40:44,911 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 63 states. [2018-07-23 13:40:44,913 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 63 to 63. [2018-07-23 13:40:44,913 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 63 states. [2018-07-23 13:40:44,913 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 63 states to 63 states and 63 transitions. [2018-07-23 13:40:44,913 INFO L78 Accepts]: Start accepts. Automaton has 63 states and 63 transitions. Word has length 61 [2018-07-23 13:40:44,914 INFO L84 Accepts]: Finished accepts. word is rejected. [2018-07-23 13:40:44,914 INFO L471 AbstractCegarLoop]: Abstraction has 63 states and 63 transitions. [2018-07-23 13:40:44,914 INFO L472 AbstractCegarLoop]: Interpolant automaton has 61 states. [2018-07-23 13:40:44,914 INFO L276 IsEmpty]: Start isEmpty. Operand 63 states and 63 transitions. [2018-07-23 13:40:44,914 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 63 [2018-07-23 13:40:44,915 INFO L349 BasicCegarLoop]: Found error trace [2018-07-23 13:40:44,915 INFO L357 BasicCegarLoop]: trace histogram [59, 1, 1, 1] [2018-07-23 13:40:44,915 INFO L414 AbstractCegarLoop]: === Iteration 60 === [ULTIMATE.startErr0AssertViolationASSERT]=== [2018-07-23 13:40:44,915 INFO L82 PathProgramCache]: Analyzing trace with hash 921649608, now seen corresponding path program 59 times [2018-07-23 13:40:44,915 INFO L69 tionRefinementEngine]: Using refinement strategy FixedRefinementStrategy [2018-07-23 13:40:44,936 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-07-23 13:40:45,185 INFO L134 CoverageAnalysis]: Checked inductivity of 1770 backedges. 0 proven. 1770 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2018-07-23 13:40:45,185 INFO L309 seRefinementStrategy]: Constructing automaton from 0 perfect and 1 imperfect interpolant sequences. [2018-07-23 13:40:45,186 INFO L324 seRefinementStrategy]: Number of different interpolants: perfect sequences [] imperfect sequences [61] total 61 [2018-07-23 13:40:45,186 INFO L142 lantAutomatonBuilder]: Constructing canonical interpolant automaton, with selfloop in false state [2018-07-23 13:40:45,186 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2018-07-23 13:40:45,187 INFO L185 omatonBuilderFactory]: Interpolants [10158#true, 10159#false, 10160#(<= ULTIMATE.start_main_~k~5 0), 10161#(<= ULTIMATE.start_main_~k~5 1), 10162#(<= ULTIMATE.start_main_~k~5 2), 10163#(<= ULTIMATE.start_main_~k~5 3), 10164#(<= ULTIMATE.start_main_~k~5 4), 10165#(<= ULTIMATE.start_main_~k~5 5), 10166#(<= ULTIMATE.start_main_~k~5 6), 10167#(<= ULTIMATE.start_main_~k~5 7), 10168#(<= ULTIMATE.start_main_~k~5 8), 10169#(<= ULTIMATE.start_main_~k~5 9), 10170#(<= ULTIMATE.start_main_~k~5 10), 10171#(<= ULTIMATE.start_main_~k~5 11), 10172#(<= ULTIMATE.start_main_~k~5 12), 10173#(<= ULTIMATE.start_main_~k~5 13), 10174#(<= ULTIMATE.start_main_~k~5 14), 10175#(<= ULTIMATE.start_main_~k~5 15), 10176#(<= ULTIMATE.start_main_~k~5 16), 10177#(<= ULTIMATE.start_main_~k~5 17), 10178#(<= ULTIMATE.start_main_~k~5 18), 10179#(<= ULTIMATE.start_main_~k~5 19), 10180#(<= ULTIMATE.start_main_~k~5 20), 10181#(<= ULTIMATE.start_main_~k~5 21), 10182#(<= ULTIMATE.start_main_~k~5 22), 10183#(<= ULTIMATE.start_main_~k~5 23), 10184#(<= ULTIMATE.start_main_~k~5 24), 10185#(<= ULTIMATE.start_main_~k~5 25), 10186#(<= ULTIMATE.start_main_~k~5 26), 10187#(<= ULTIMATE.start_main_~k~5 27), 10188#(<= ULTIMATE.start_main_~k~5 28), 10189#(<= ULTIMATE.start_main_~k~5 29), 10190#(<= ULTIMATE.start_main_~k~5 30), 10191#(<= ULTIMATE.start_main_~k~5 31), 10192#(<= ULTIMATE.start_main_~k~5 32), 10193#(<= ULTIMATE.start_main_~k~5 33), 10194#(<= ULTIMATE.start_main_~k~5 34), 10195#(<= ULTIMATE.start_main_~k~5 35), 10196#(<= ULTIMATE.start_main_~k~5 36), 10197#(<= ULTIMATE.start_main_~k~5 37), 10198#(<= ULTIMATE.start_main_~k~5 38), 10199#(<= ULTIMATE.start_main_~k~5 39), 10200#(<= ULTIMATE.start_main_~k~5 40), 10201#(<= ULTIMATE.start_main_~k~5 41), 10202#(<= ULTIMATE.start_main_~k~5 42), 10203#(<= ULTIMATE.start_main_~k~5 43), 10204#(<= ULTIMATE.start_main_~k~5 44), 10205#(<= ULTIMATE.start_main_~k~5 45), 10206#(<= ULTIMATE.start_main_~k~5 46), 10207#(<= ULTIMATE.start_main_~k~5 47), 10208#(<= ULTIMATE.start_main_~k~5 48), 10209#(<= ULTIMATE.start_main_~k~5 49), 10210#(<= ULTIMATE.start_main_~k~5 50), 10211#(<= ULTIMATE.start_main_~k~5 51), 10212#(<= ULTIMATE.start_main_~k~5 52), 10213#(<= ULTIMATE.start_main_~k~5 53), 10214#(<= ULTIMATE.start_main_~k~5 54), 10215#(<= ULTIMATE.start_main_~k~5 55), 10216#(<= ULTIMATE.start_main_~k~5 56), 10217#(<= ULTIMATE.start_main_~k~5 57), 10218#(<= ULTIMATE.start_main_~k~5 58), 10219#(<= ULTIMATE.start_main_~k~5 59)] [2018-07-23 13:40:45,187 INFO L134 CoverageAnalysis]: Checked inductivity of 1770 backedges. 0 proven. 1770 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2018-07-23 13:40:45,187 INFO L450 AbstractCegarLoop]: Interpolant automaton has 62 states [2018-07-23 13:40:45,188 INFO L132 InterpolantAutomaton]: Constructing interpolant automaton starting with 62 interpolants. [2018-07-23 13:40:45,189 INFO L133 InterpolantAutomaton]: CoverageRelationStatistics Valid=1891, Invalid=1891, Unknown=0, NotChecked=0, Total=3782 [2018-07-23 13:40:45,189 INFO L87 Difference]: Start difference. First operand 63 states and 63 transitions. Second operand 62 states. [2018-07-23 13:40:45,238 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2018-07-23 13:40:45,238 INFO L93 Difference]: Finished difference Result 66 states and 66 transitions. [2018-07-23 13:40:45,238 INFO L142 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 62 states. [2018-07-23 13:40:45,239 INFO L78 Accepts]: Start accepts. Automaton has 62 states. Word has length 62 [2018-07-23 13:40:45,239 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2018-07-23 13:40:45,239 INFO L225 Difference]: With dead ends: 66 [2018-07-23 13:40:45,240 INFO L226 Difference]: Without dead ends: 64 [2018-07-23 13:40:45,241 INFO L575 BasicCegarLoop]: 0 DeclaredPredicates, 61 GetRequests, 1 SyntacticMatches, 0 SemanticMatches, 60 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 0 ImplicationChecksByTransitivity, 0.2s TimeCoverageRelationStatistics Valid=1891, Invalid=1891, Unknown=0, NotChecked=0, Total=3782 [2018-07-23 13:40:45,241 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 64 states. [2018-07-23 13:40:45,247 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 64 to 64. [2018-07-23 13:40:45,247 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 64 states. [2018-07-23 13:40:45,248 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 64 states to 64 states and 64 transitions. [2018-07-23 13:40:45,248 INFO L78 Accepts]: Start accepts. Automaton has 64 states and 64 transitions. Word has length 62 [2018-07-23 13:40:45,248 INFO L84 Accepts]: Finished accepts. word is rejected. [2018-07-23 13:40:45,248 INFO L471 AbstractCegarLoop]: Abstraction has 64 states and 64 transitions. [2018-07-23 13:40:45,248 INFO L472 AbstractCegarLoop]: Interpolant automaton has 62 states. [2018-07-23 13:40:45,248 INFO L276 IsEmpty]: Start isEmpty. Operand 64 states and 64 transitions. [2018-07-23 13:40:45,249 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 64 [2018-07-23 13:40:45,249 INFO L349 BasicCegarLoop]: Found error trace [2018-07-23 13:40:45,249 INFO L357 BasicCegarLoop]: trace histogram [60, 1, 1, 1] [2018-07-23 13:40:45,249 INFO L414 AbstractCegarLoop]: === Iteration 61 === [ULTIMATE.startErr0AssertViolationASSERT]=== [2018-07-23 13:40:45,250 INFO L82 PathProgramCache]: Analyzing trace with hash -1493635199, now seen corresponding path program 60 times [2018-07-23 13:40:45,250 INFO L69 tionRefinementEngine]: Using refinement strategy FixedRefinementStrategy [2018-07-23 13:40:45,272 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-07-23 13:40:45,528 INFO L134 CoverageAnalysis]: Checked inductivity of 1830 backedges. 0 proven. 1830 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2018-07-23 13:40:45,528 INFO L309 seRefinementStrategy]: Constructing automaton from 0 perfect and 1 imperfect interpolant sequences. [2018-07-23 13:40:45,528 INFO L324 seRefinementStrategy]: Number of different interpolants: perfect sequences [] imperfect sequences [62] total 62 [2018-07-23 13:40:45,529 INFO L142 lantAutomatonBuilder]: Constructing canonical interpolant automaton, with selfloop in false state [2018-07-23 13:40:45,529 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2018-07-23 13:40:45,529 INFO L185 omatonBuilderFactory]: Interpolants [10496#(<= ULTIMATE.start_main_~k~5 14), 10497#(<= ULTIMATE.start_main_~k~5 15), 10498#(<= ULTIMATE.start_main_~k~5 16), 10499#(<= ULTIMATE.start_main_~k~5 17), 10500#(<= ULTIMATE.start_main_~k~5 18), 10501#(<= ULTIMATE.start_main_~k~5 19), 10502#(<= ULTIMATE.start_main_~k~5 20), 10503#(<= ULTIMATE.start_main_~k~5 21), 10504#(<= ULTIMATE.start_main_~k~5 22), 10505#(<= ULTIMATE.start_main_~k~5 23), 10506#(<= ULTIMATE.start_main_~k~5 24), 10507#(<= ULTIMATE.start_main_~k~5 25), 10508#(<= ULTIMATE.start_main_~k~5 26), 10509#(<= ULTIMATE.start_main_~k~5 27), 10510#(<= ULTIMATE.start_main_~k~5 28), 10511#(<= ULTIMATE.start_main_~k~5 29), 10512#(<= ULTIMATE.start_main_~k~5 30), 10513#(<= ULTIMATE.start_main_~k~5 31), 10514#(<= ULTIMATE.start_main_~k~5 32), 10515#(<= ULTIMATE.start_main_~k~5 33), 10516#(<= ULTIMATE.start_main_~k~5 34), 10517#(<= ULTIMATE.start_main_~k~5 35), 10518#(<= ULTIMATE.start_main_~k~5 36), 10519#(<= ULTIMATE.start_main_~k~5 37), 10520#(<= ULTIMATE.start_main_~k~5 38), 10521#(<= ULTIMATE.start_main_~k~5 39), 10522#(<= ULTIMATE.start_main_~k~5 40), 10523#(<= ULTIMATE.start_main_~k~5 41), 10524#(<= ULTIMATE.start_main_~k~5 42), 10525#(<= ULTIMATE.start_main_~k~5 43), 10526#(<= ULTIMATE.start_main_~k~5 44), 10527#(<= ULTIMATE.start_main_~k~5 45), 10528#(<= ULTIMATE.start_main_~k~5 46), 10529#(<= ULTIMATE.start_main_~k~5 47), 10530#(<= ULTIMATE.start_main_~k~5 48), 10531#(<= ULTIMATE.start_main_~k~5 49), 10532#(<= ULTIMATE.start_main_~k~5 50), 10533#(<= ULTIMATE.start_main_~k~5 51), 10534#(<= ULTIMATE.start_main_~k~5 52), 10535#(<= ULTIMATE.start_main_~k~5 53), 10536#(<= ULTIMATE.start_main_~k~5 54), 10537#(<= ULTIMATE.start_main_~k~5 55), 10538#(<= ULTIMATE.start_main_~k~5 56), 10539#(<= ULTIMATE.start_main_~k~5 57), 10540#(<= ULTIMATE.start_main_~k~5 58), 10541#(<= ULTIMATE.start_main_~k~5 59), 10542#(<= ULTIMATE.start_main_~k~5 60), 10480#true, 10481#false, 10482#(<= ULTIMATE.start_main_~k~5 0), 10483#(<= ULTIMATE.start_main_~k~5 1), 10484#(<= ULTIMATE.start_main_~k~5 2), 10485#(<= ULTIMATE.start_main_~k~5 3), 10486#(<= ULTIMATE.start_main_~k~5 4), 10487#(<= ULTIMATE.start_main_~k~5 5), 10488#(<= ULTIMATE.start_main_~k~5 6), 10489#(<= ULTIMATE.start_main_~k~5 7), 10490#(<= ULTIMATE.start_main_~k~5 8), 10491#(<= ULTIMATE.start_main_~k~5 9), 10492#(<= ULTIMATE.start_main_~k~5 10), 10493#(<= ULTIMATE.start_main_~k~5 11), 10494#(<= ULTIMATE.start_main_~k~5 12), 10495#(<= ULTIMATE.start_main_~k~5 13)] [2018-07-23 13:40:45,530 INFO L134 CoverageAnalysis]: Checked inductivity of 1830 backedges. 0 proven. 1830 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2018-07-23 13:40:45,530 INFO L450 AbstractCegarLoop]: Interpolant automaton has 63 states [2018-07-23 13:40:45,531 INFO L132 InterpolantAutomaton]: Constructing interpolant automaton starting with 63 interpolants. [2018-07-23 13:40:45,532 INFO L133 InterpolantAutomaton]: CoverageRelationStatistics Valid=1953, Invalid=1953, Unknown=0, NotChecked=0, Total=3906 [2018-07-23 13:40:45,532 INFO L87 Difference]: Start difference. First operand 64 states and 64 transitions. Second operand 63 states. [2018-07-23 13:40:45,579 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2018-07-23 13:40:45,580 INFO L93 Difference]: Finished difference Result 67 states and 67 transitions. [2018-07-23 13:40:45,580 INFO L142 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 63 states. [2018-07-23 13:40:45,580 INFO L78 Accepts]: Start accepts. Automaton has 63 states. Word has length 63 [2018-07-23 13:40:45,580 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2018-07-23 13:40:45,581 INFO L225 Difference]: With dead ends: 67 [2018-07-23 13:40:45,581 INFO L226 Difference]: Without dead ends: 65 [2018-07-23 13:40:45,582 INFO L575 BasicCegarLoop]: 0 DeclaredPredicates, 62 GetRequests, 1 SyntacticMatches, 0 SemanticMatches, 61 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 0 ImplicationChecksByTransitivity, 0.2s TimeCoverageRelationStatistics Valid=1953, Invalid=1953, Unknown=0, NotChecked=0, Total=3906 [2018-07-23 13:40:45,582 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 65 states. [2018-07-23 13:40:45,584 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 65 to 65. [2018-07-23 13:40:45,584 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 65 states. [2018-07-23 13:40:45,585 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 65 states to 65 states and 65 transitions. [2018-07-23 13:40:45,585 INFO L78 Accepts]: Start accepts. Automaton has 65 states and 65 transitions. Word has length 63 [2018-07-23 13:40:45,585 INFO L84 Accepts]: Finished accepts. word is rejected. [2018-07-23 13:40:45,585 INFO L471 AbstractCegarLoop]: Abstraction has 65 states and 65 transitions. [2018-07-23 13:40:45,585 INFO L472 AbstractCegarLoop]: Interpolant automaton has 63 states. [2018-07-23 13:40:45,586 INFO L276 IsEmpty]: Start isEmpty. Operand 65 states and 65 transitions. [2018-07-23 13:40:45,586 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 65 [2018-07-23 13:40:45,586 INFO L349 BasicCegarLoop]: Found error trace [2018-07-23 13:40:45,586 INFO L357 BasicCegarLoop]: trace histogram [61, 1, 1, 1] [2018-07-23 13:40:45,586 INFO L414 AbstractCegarLoop]: === Iteration 62 === [ULTIMATE.startErr0AssertViolationASSERT]=== [2018-07-23 13:40:45,587 INFO L82 PathProgramCache]: Analyzing trace with hash 941947112, now seen corresponding path program 61 times [2018-07-23 13:40:45,587 INFO L69 tionRefinementEngine]: Using refinement strategy FixedRefinementStrategy [2018-07-23 13:40:45,610 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-07-23 13:40:45,883 INFO L134 CoverageAnalysis]: Checked inductivity of 1891 backedges. 0 proven. 1891 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2018-07-23 13:40:45,883 INFO L309 seRefinementStrategy]: Constructing automaton from 0 perfect and 1 imperfect interpolant sequences. [2018-07-23 13:40:45,883 INFO L324 seRefinementStrategy]: Number of different interpolants: perfect sequences [] imperfect sequences [63] total 63 [2018-07-23 13:40:45,883 INFO L142 lantAutomatonBuilder]: Constructing canonical interpolant automaton, with selfloop in false state [2018-07-23 13:40:45,884 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2018-07-23 13:40:45,884 INFO L185 omatonBuilderFactory]: Interpolants [10807#true, 10808#false, 10809#(<= ULTIMATE.start_main_~k~5 0), 10810#(<= ULTIMATE.start_main_~k~5 1), 10811#(<= ULTIMATE.start_main_~k~5 2), 10812#(<= ULTIMATE.start_main_~k~5 3), 10813#(<= ULTIMATE.start_main_~k~5 4), 10814#(<= ULTIMATE.start_main_~k~5 5), 10815#(<= ULTIMATE.start_main_~k~5 6), 10816#(<= ULTIMATE.start_main_~k~5 7), 10817#(<= ULTIMATE.start_main_~k~5 8), 10818#(<= ULTIMATE.start_main_~k~5 9), 10819#(<= ULTIMATE.start_main_~k~5 10), 10820#(<= ULTIMATE.start_main_~k~5 11), 10821#(<= ULTIMATE.start_main_~k~5 12), 10822#(<= ULTIMATE.start_main_~k~5 13), 10823#(<= ULTIMATE.start_main_~k~5 14), 10824#(<= ULTIMATE.start_main_~k~5 15), 10825#(<= ULTIMATE.start_main_~k~5 16), 10826#(<= ULTIMATE.start_main_~k~5 17), 10827#(<= ULTIMATE.start_main_~k~5 18), 10828#(<= ULTIMATE.start_main_~k~5 19), 10829#(<= ULTIMATE.start_main_~k~5 20), 10830#(<= ULTIMATE.start_main_~k~5 21), 10831#(<= ULTIMATE.start_main_~k~5 22), 10832#(<= ULTIMATE.start_main_~k~5 23), 10833#(<= ULTIMATE.start_main_~k~5 24), 10834#(<= ULTIMATE.start_main_~k~5 25), 10835#(<= ULTIMATE.start_main_~k~5 26), 10836#(<= ULTIMATE.start_main_~k~5 27), 10837#(<= ULTIMATE.start_main_~k~5 28), 10838#(<= ULTIMATE.start_main_~k~5 29), 10839#(<= ULTIMATE.start_main_~k~5 30), 10840#(<= ULTIMATE.start_main_~k~5 31), 10841#(<= ULTIMATE.start_main_~k~5 32), 10842#(<= ULTIMATE.start_main_~k~5 33), 10843#(<= ULTIMATE.start_main_~k~5 34), 10844#(<= ULTIMATE.start_main_~k~5 35), 10845#(<= ULTIMATE.start_main_~k~5 36), 10846#(<= ULTIMATE.start_main_~k~5 37), 10847#(<= ULTIMATE.start_main_~k~5 38), 10848#(<= ULTIMATE.start_main_~k~5 39), 10849#(<= ULTIMATE.start_main_~k~5 40), 10850#(<= ULTIMATE.start_main_~k~5 41), 10851#(<= ULTIMATE.start_main_~k~5 42), 10852#(<= ULTIMATE.start_main_~k~5 43), 10853#(<= ULTIMATE.start_main_~k~5 44), 10854#(<= ULTIMATE.start_main_~k~5 45), 10855#(<= ULTIMATE.start_main_~k~5 46), 10856#(<= ULTIMATE.start_main_~k~5 47), 10857#(<= ULTIMATE.start_main_~k~5 48), 10858#(<= ULTIMATE.start_main_~k~5 49), 10859#(<= ULTIMATE.start_main_~k~5 50), 10860#(<= ULTIMATE.start_main_~k~5 51), 10861#(<= ULTIMATE.start_main_~k~5 52), 10862#(<= ULTIMATE.start_main_~k~5 53), 10863#(<= ULTIMATE.start_main_~k~5 54), 10864#(<= ULTIMATE.start_main_~k~5 55), 10865#(<= ULTIMATE.start_main_~k~5 56), 10866#(<= ULTIMATE.start_main_~k~5 57), 10867#(<= ULTIMATE.start_main_~k~5 58), 10868#(<= ULTIMATE.start_main_~k~5 59), 10869#(<= ULTIMATE.start_main_~k~5 60), 10870#(<= ULTIMATE.start_main_~k~5 61)] [2018-07-23 13:40:45,885 INFO L134 CoverageAnalysis]: Checked inductivity of 1891 backedges. 0 proven. 1891 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2018-07-23 13:40:45,885 INFO L450 AbstractCegarLoop]: Interpolant automaton has 64 states [2018-07-23 13:40:45,886 INFO L132 InterpolantAutomaton]: Constructing interpolant automaton starting with 64 interpolants. [2018-07-23 13:40:45,886 INFO L133 InterpolantAutomaton]: CoverageRelationStatistics Valid=2016, Invalid=2016, Unknown=0, NotChecked=0, Total=4032 [2018-07-23 13:40:45,887 INFO L87 Difference]: Start difference. First operand 65 states and 65 transitions. Second operand 64 states. [2018-07-23 13:40:45,944 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2018-07-23 13:40:45,944 INFO L93 Difference]: Finished difference Result 68 states and 68 transitions. [2018-07-23 13:40:45,944 INFO L142 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 64 states. [2018-07-23 13:40:45,945 INFO L78 Accepts]: Start accepts. Automaton has 64 states. Word has length 64 [2018-07-23 13:40:45,945 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2018-07-23 13:40:45,945 INFO L225 Difference]: With dead ends: 68 [2018-07-23 13:40:45,945 INFO L226 Difference]: Without dead ends: 66 [2018-07-23 13:40:45,946 INFO L575 BasicCegarLoop]: 0 DeclaredPredicates, 63 GetRequests, 1 SyntacticMatches, 0 SemanticMatches, 62 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 0 ImplicationChecksByTransitivity, 0.2s TimeCoverageRelationStatistics Valid=2016, Invalid=2016, Unknown=0, NotChecked=0, Total=4032 [2018-07-23 13:40:45,947 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 66 states. [2018-07-23 13:40:45,949 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 66 to 66. [2018-07-23 13:40:45,949 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 66 states. [2018-07-23 13:40:45,949 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 66 states to 66 states and 66 transitions. [2018-07-23 13:40:45,949 INFO L78 Accepts]: Start accepts. Automaton has 66 states and 66 transitions. Word has length 64 [2018-07-23 13:40:45,950 INFO L84 Accepts]: Finished accepts. word is rejected. [2018-07-23 13:40:45,950 INFO L471 AbstractCegarLoop]: Abstraction has 66 states and 66 transitions. [2018-07-23 13:40:45,950 INFO L472 AbstractCegarLoop]: Interpolant automaton has 64 states. [2018-07-23 13:40:45,950 INFO L276 IsEmpty]: Start isEmpty. Operand 66 states and 66 transitions. [2018-07-23 13:40:45,950 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 66 [2018-07-23 13:40:45,951 INFO L349 BasicCegarLoop]: Found error trace [2018-07-23 13:40:45,951 INFO L357 BasicCegarLoop]: trace histogram [62, 1, 1, 1] [2018-07-23 13:40:45,951 INFO L414 AbstractCegarLoop]: === Iteration 63 === [ULTIMATE.startErr0AssertViolationASSERT]=== [2018-07-23 13:40:45,951 INFO L82 PathProgramCache]: Analyzing trace with hash -864412575, now seen corresponding path program 62 times [2018-07-23 13:40:45,951 INFO L69 tionRefinementEngine]: Using refinement strategy FixedRefinementStrategy [2018-07-23 13:40:45,974 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-07-23 13:40:46,307 INFO L134 CoverageAnalysis]: Checked inductivity of 1953 backedges. 0 proven. 1953 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2018-07-23 13:40:46,307 INFO L309 seRefinementStrategy]: Constructing automaton from 0 perfect and 1 imperfect interpolant sequences. [2018-07-23 13:40:46,307 INFO L324 seRefinementStrategy]: Number of different interpolants: perfect sequences [] imperfect sequences [64] total 64 [2018-07-23 13:40:46,308 INFO L142 lantAutomatonBuilder]: Constructing canonical interpolant automaton, with selfloop in false state [2018-07-23 13:40:46,308 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2018-07-23 13:40:46,309 INFO L185 omatonBuilderFactory]: Interpolants [11139#true, 11140#false, 11141#(<= ULTIMATE.start_main_~k~5 0), 11142#(<= ULTIMATE.start_main_~k~5 1), 11143#(<= ULTIMATE.start_main_~k~5 2), 11144#(<= ULTIMATE.start_main_~k~5 3), 11145#(<= ULTIMATE.start_main_~k~5 4), 11146#(<= ULTIMATE.start_main_~k~5 5), 11147#(<= ULTIMATE.start_main_~k~5 6), 11148#(<= ULTIMATE.start_main_~k~5 7), 11149#(<= ULTIMATE.start_main_~k~5 8), 11150#(<= ULTIMATE.start_main_~k~5 9), 11151#(<= ULTIMATE.start_main_~k~5 10), 11152#(<= ULTIMATE.start_main_~k~5 11), 11153#(<= ULTIMATE.start_main_~k~5 12), 11154#(<= ULTIMATE.start_main_~k~5 13), 11155#(<= ULTIMATE.start_main_~k~5 14), 11156#(<= ULTIMATE.start_main_~k~5 15), 11157#(<= ULTIMATE.start_main_~k~5 16), 11158#(<= ULTIMATE.start_main_~k~5 17), 11159#(<= ULTIMATE.start_main_~k~5 18), 11160#(<= ULTIMATE.start_main_~k~5 19), 11161#(<= ULTIMATE.start_main_~k~5 20), 11162#(<= ULTIMATE.start_main_~k~5 21), 11163#(<= ULTIMATE.start_main_~k~5 22), 11164#(<= ULTIMATE.start_main_~k~5 23), 11165#(<= ULTIMATE.start_main_~k~5 24), 11166#(<= ULTIMATE.start_main_~k~5 25), 11167#(<= ULTIMATE.start_main_~k~5 26), 11168#(<= ULTIMATE.start_main_~k~5 27), 11169#(<= ULTIMATE.start_main_~k~5 28), 11170#(<= ULTIMATE.start_main_~k~5 29), 11171#(<= ULTIMATE.start_main_~k~5 30), 11172#(<= ULTIMATE.start_main_~k~5 31), 11173#(<= ULTIMATE.start_main_~k~5 32), 11174#(<= ULTIMATE.start_main_~k~5 33), 11175#(<= ULTIMATE.start_main_~k~5 34), 11176#(<= ULTIMATE.start_main_~k~5 35), 11177#(<= ULTIMATE.start_main_~k~5 36), 11178#(<= ULTIMATE.start_main_~k~5 37), 11179#(<= ULTIMATE.start_main_~k~5 38), 11180#(<= ULTIMATE.start_main_~k~5 39), 11181#(<= ULTIMATE.start_main_~k~5 40), 11182#(<= ULTIMATE.start_main_~k~5 41), 11183#(<= ULTIMATE.start_main_~k~5 42), 11184#(<= ULTIMATE.start_main_~k~5 43), 11185#(<= ULTIMATE.start_main_~k~5 44), 11186#(<= ULTIMATE.start_main_~k~5 45), 11187#(<= ULTIMATE.start_main_~k~5 46), 11188#(<= ULTIMATE.start_main_~k~5 47), 11189#(<= ULTIMATE.start_main_~k~5 48), 11190#(<= ULTIMATE.start_main_~k~5 49), 11191#(<= ULTIMATE.start_main_~k~5 50), 11192#(<= ULTIMATE.start_main_~k~5 51), 11193#(<= ULTIMATE.start_main_~k~5 52), 11194#(<= ULTIMATE.start_main_~k~5 53), 11195#(<= ULTIMATE.start_main_~k~5 54), 11196#(<= ULTIMATE.start_main_~k~5 55), 11197#(<= ULTIMATE.start_main_~k~5 56), 11198#(<= ULTIMATE.start_main_~k~5 57), 11199#(<= ULTIMATE.start_main_~k~5 58), 11200#(<= ULTIMATE.start_main_~k~5 59), 11201#(<= ULTIMATE.start_main_~k~5 60), 11202#(<= ULTIMATE.start_main_~k~5 61), 11203#(<= ULTIMATE.start_main_~k~5 62)] [2018-07-23 13:40:46,309 INFO L134 CoverageAnalysis]: Checked inductivity of 1953 backedges. 0 proven. 1953 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2018-07-23 13:40:46,310 INFO L450 AbstractCegarLoop]: Interpolant automaton has 65 states [2018-07-23 13:40:46,310 INFO L132 InterpolantAutomaton]: Constructing interpolant automaton starting with 65 interpolants. [2018-07-23 13:40:46,313 INFO L133 InterpolantAutomaton]: CoverageRelationStatistics Valid=2080, Invalid=2080, Unknown=0, NotChecked=0, Total=4160 [2018-07-23 13:40:46,313 INFO L87 Difference]: Start difference. First operand 66 states and 66 transitions. Second operand 65 states. [2018-07-23 13:40:46,372 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2018-07-23 13:40:46,372 INFO L93 Difference]: Finished difference Result 69 states and 69 transitions. [2018-07-23 13:40:46,372 INFO L142 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 65 states. [2018-07-23 13:40:46,373 INFO L78 Accepts]: Start accepts. Automaton has 65 states. Word has length 65 [2018-07-23 13:40:46,373 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2018-07-23 13:40:46,373 INFO L225 Difference]: With dead ends: 69 [2018-07-23 13:40:46,374 INFO L226 Difference]: Without dead ends: 67 [2018-07-23 13:40:46,375 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 13:40:46,375 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 67 states. [2018-07-23 13:40:46,378 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 67 to 67. [2018-07-23 13:40:46,378 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 67 states. [2018-07-23 13:40:46,378 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 67 states to 67 states and 67 transitions. [2018-07-23 13:40:46,378 INFO L78 Accepts]: Start accepts. Automaton has 67 states and 67 transitions. Word has length 65 [2018-07-23 13:40:46,379 INFO L84 Accepts]: Finished accepts. word is rejected. [2018-07-23 13:40:46,379 INFO L471 AbstractCegarLoop]: Abstraction has 67 states and 67 transitions. [2018-07-23 13:40:46,379 INFO L472 AbstractCegarLoop]: Interpolant automaton has 65 states. [2018-07-23 13:40:46,379 INFO L276 IsEmpty]: Start isEmpty. Operand 67 states and 67 transitions. [2018-07-23 13:40:46,380 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 67 [2018-07-23 13:40:46,380 INFO L349 BasicCegarLoop]: Found error trace [2018-07-23 13:40:46,380 INFO L357 BasicCegarLoop]: trace histogram [63, 1, 1, 1] [2018-07-23 13:40:46,380 INFO L414 AbstractCegarLoop]: === Iteration 64 === [ULTIMATE.startErr0AssertViolationASSERT]=== [2018-07-23 13:40:46,380 INFO L82 PathProgramCache]: Analyzing trace with hash -1026988024, now seen corresponding path program 63 times [2018-07-23 13:40:46,381 INFO L69 tionRefinementEngine]: Using refinement strategy FixedRefinementStrategy [2018-07-23 13:40:46,409 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-07-23 13:40:46,780 INFO L134 CoverageAnalysis]: Checked inductivity of 2016 backedges. 0 proven. 2016 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2018-07-23 13:40:46,781 INFO L309 seRefinementStrategy]: Constructing automaton from 0 perfect and 1 imperfect interpolant sequences. [2018-07-23 13:40:46,781 INFO L324 seRefinementStrategy]: Number of different interpolants: perfect sequences [] imperfect sequences [65] total 65 [2018-07-23 13:40:46,781 INFO L142 lantAutomatonBuilder]: Constructing canonical interpolant automaton, with selfloop in false state [2018-07-23 13:40:46,782 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2018-07-23 13:40:46,782 INFO L185 omatonBuilderFactory]: Interpolants [11520#(<= ULTIMATE.start_main_~k~5 42), 11521#(<= ULTIMATE.start_main_~k~5 43), 11522#(<= ULTIMATE.start_main_~k~5 44), 11523#(<= ULTIMATE.start_main_~k~5 45), 11524#(<= ULTIMATE.start_main_~k~5 46), 11525#(<= ULTIMATE.start_main_~k~5 47), 11526#(<= ULTIMATE.start_main_~k~5 48), 11527#(<= ULTIMATE.start_main_~k~5 49), 11528#(<= ULTIMATE.start_main_~k~5 50), 11529#(<= ULTIMATE.start_main_~k~5 51), 11530#(<= ULTIMATE.start_main_~k~5 52), 11531#(<= ULTIMATE.start_main_~k~5 53), 11532#(<= ULTIMATE.start_main_~k~5 54), 11533#(<= ULTIMATE.start_main_~k~5 55), 11534#(<= ULTIMATE.start_main_~k~5 56), 11535#(<= ULTIMATE.start_main_~k~5 57), 11536#(<= ULTIMATE.start_main_~k~5 58), 11537#(<= ULTIMATE.start_main_~k~5 59), 11538#(<= ULTIMATE.start_main_~k~5 60), 11539#(<= ULTIMATE.start_main_~k~5 61), 11540#(<= ULTIMATE.start_main_~k~5 62), 11541#(<= ULTIMATE.start_main_~k~5 63), 11476#true, 11477#false, 11478#(<= ULTIMATE.start_main_~k~5 0), 11479#(<= ULTIMATE.start_main_~k~5 1), 11480#(<= ULTIMATE.start_main_~k~5 2), 11481#(<= ULTIMATE.start_main_~k~5 3), 11482#(<= ULTIMATE.start_main_~k~5 4), 11483#(<= ULTIMATE.start_main_~k~5 5), 11484#(<= ULTIMATE.start_main_~k~5 6), 11485#(<= ULTIMATE.start_main_~k~5 7), 11486#(<= ULTIMATE.start_main_~k~5 8), 11487#(<= ULTIMATE.start_main_~k~5 9), 11488#(<= ULTIMATE.start_main_~k~5 10), 11489#(<= ULTIMATE.start_main_~k~5 11), 11490#(<= ULTIMATE.start_main_~k~5 12), 11491#(<= ULTIMATE.start_main_~k~5 13), 11492#(<= ULTIMATE.start_main_~k~5 14), 11493#(<= ULTIMATE.start_main_~k~5 15), 11494#(<= ULTIMATE.start_main_~k~5 16), 11495#(<= ULTIMATE.start_main_~k~5 17), 11496#(<= ULTIMATE.start_main_~k~5 18), 11497#(<= ULTIMATE.start_main_~k~5 19), 11498#(<= ULTIMATE.start_main_~k~5 20), 11499#(<= ULTIMATE.start_main_~k~5 21), 11500#(<= ULTIMATE.start_main_~k~5 22), 11501#(<= ULTIMATE.start_main_~k~5 23), 11502#(<= ULTIMATE.start_main_~k~5 24), 11503#(<= ULTIMATE.start_main_~k~5 25), 11504#(<= ULTIMATE.start_main_~k~5 26), 11505#(<= ULTIMATE.start_main_~k~5 27), 11506#(<= ULTIMATE.start_main_~k~5 28), 11507#(<= ULTIMATE.start_main_~k~5 29), 11508#(<= ULTIMATE.start_main_~k~5 30), 11509#(<= ULTIMATE.start_main_~k~5 31), 11510#(<= ULTIMATE.start_main_~k~5 32), 11511#(<= ULTIMATE.start_main_~k~5 33), 11512#(<= ULTIMATE.start_main_~k~5 34), 11513#(<= ULTIMATE.start_main_~k~5 35), 11514#(<= ULTIMATE.start_main_~k~5 36), 11515#(<= ULTIMATE.start_main_~k~5 37), 11516#(<= ULTIMATE.start_main_~k~5 38), 11517#(<= ULTIMATE.start_main_~k~5 39), 11518#(<= ULTIMATE.start_main_~k~5 40), 11519#(<= ULTIMATE.start_main_~k~5 41)] [2018-07-23 13:40:46,783 INFO L134 CoverageAnalysis]: Checked inductivity of 2016 backedges. 0 proven. 2016 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2018-07-23 13:40:46,783 INFO L450 AbstractCegarLoop]: Interpolant automaton has 66 states [2018-07-23 13:40:46,783 INFO L132 InterpolantAutomaton]: Constructing interpolant automaton starting with 66 interpolants. [2018-07-23 13:40:46,784 INFO L133 InterpolantAutomaton]: CoverageRelationStatistics Valid=2145, Invalid=2145, Unknown=0, NotChecked=0, Total=4290 [2018-07-23 13:40:46,785 INFO L87 Difference]: Start difference. First operand 67 states and 67 transitions. Second operand 66 states. [2018-07-23 13:40:46,825 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2018-07-23 13:40:46,825 INFO L93 Difference]: Finished difference Result 70 states and 70 transitions. [2018-07-23 13:40:46,825 INFO L142 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 66 states. [2018-07-23 13:40:46,825 INFO L78 Accepts]: Start accepts. Automaton has 66 states. Word has length 66 [2018-07-23 13:40:46,825 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2018-07-23 13:40:46,826 INFO L225 Difference]: With dead ends: 70 [2018-07-23 13:40:46,826 INFO L226 Difference]: Without dead ends: 68 [2018-07-23 13:40:46,827 INFO L575 BasicCegarLoop]: 0 DeclaredPredicates, 65 GetRequests, 1 SyntacticMatches, 0 SemanticMatches, 64 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 0 ImplicationChecksByTransitivity, 0.3s TimeCoverageRelationStatistics Valid=2145, Invalid=2145, Unknown=0, NotChecked=0, Total=4290 [2018-07-23 13:40:46,827 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 68 states. [2018-07-23 13:40:46,830 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 68 to 68. [2018-07-23 13:40:46,830 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 68 states. [2018-07-23 13:40:46,830 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 68 states to 68 states and 68 transitions. [2018-07-23 13:40:46,830 INFO L78 Accepts]: Start accepts. Automaton has 68 states and 68 transitions. Word has length 66 [2018-07-23 13:40:46,831 INFO L84 Accepts]: Finished accepts. word is rejected. [2018-07-23 13:40:46,831 INFO L471 AbstractCegarLoop]: Abstraction has 68 states and 68 transitions. [2018-07-23 13:40:46,831 INFO L472 AbstractCegarLoop]: Interpolant automaton has 66 states. [2018-07-23 13:40:46,831 INFO L276 IsEmpty]: Start isEmpty. Operand 68 states and 68 transitions. [2018-07-23 13:40:46,832 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 68 [2018-07-23 13:40:46,832 INFO L349 BasicCegarLoop]: Found error trace [2018-07-23 13:40:46,832 INFO L357 BasicCegarLoop]: trace histogram [64, 1, 1, 1] [2018-07-23 13:40:46,832 INFO L414 AbstractCegarLoop]: === Iteration 65 === [ULTIMATE.startErr0AssertViolationASSERT]=== [2018-07-23 13:40:46,833 INFO L82 PathProgramCache]: Analyzing trace with hash -1771859647, now seen corresponding path program 64 times [2018-07-23 13:40:46,833 INFO L69 tionRefinementEngine]: Using refinement strategy FixedRefinementStrategy [2018-07-23 13:40:46,852 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-07-23 13:40:47,129 INFO L134 CoverageAnalysis]: Checked inductivity of 2080 backedges. 0 proven. 2080 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2018-07-23 13:40:47,129 INFO L309 seRefinementStrategy]: Constructing automaton from 0 perfect and 1 imperfect interpolant sequences. [2018-07-23 13:40:47,129 INFO L324 seRefinementStrategy]: Number of different interpolants: perfect sequences [] imperfect sequences [66] total 66 [2018-07-23 13:40:47,130 INFO L142 lantAutomatonBuilder]: Constructing canonical interpolant automaton, with selfloop in false state [2018-07-23 13:40:47,130 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2018-07-23 13:40:47,130 INFO L185 omatonBuilderFactory]: Interpolants [11818#true, 11819#false, 11820#(<= ULTIMATE.start_main_~k~5 0), 11821#(<= ULTIMATE.start_main_~k~5 1), 11822#(<= ULTIMATE.start_main_~k~5 2), 11823#(<= ULTIMATE.start_main_~k~5 3), 11824#(<= ULTIMATE.start_main_~k~5 4), 11825#(<= ULTIMATE.start_main_~k~5 5), 11826#(<= ULTIMATE.start_main_~k~5 6), 11827#(<= ULTIMATE.start_main_~k~5 7), 11828#(<= ULTIMATE.start_main_~k~5 8), 11829#(<= ULTIMATE.start_main_~k~5 9), 11830#(<= ULTIMATE.start_main_~k~5 10), 11831#(<= ULTIMATE.start_main_~k~5 11), 11832#(<= ULTIMATE.start_main_~k~5 12), 11833#(<= ULTIMATE.start_main_~k~5 13), 11834#(<= ULTIMATE.start_main_~k~5 14), 11835#(<= ULTIMATE.start_main_~k~5 15), 11836#(<= ULTIMATE.start_main_~k~5 16), 11837#(<= ULTIMATE.start_main_~k~5 17), 11838#(<= ULTIMATE.start_main_~k~5 18), 11839#(<= ULTIMATE.start_main_~k~5 19), 11840#(<= ULTIMATE.start_main_~k~5 20), 11841#(<= ULTIMATE.start_main_~k~5 21), 11842#(<= ULTIMATE.start_main_~k~5 22), 11843#(<= ULTIMATE.start_main_~k~5 23), 11844#(<= ULTIMATE.start_main_~k~5 24), 11845#(<= ULTIMATE.start_main_~k~5 25), 11846#(<= ULTIMATE.start_main_~k~5 26), 11847#(<= ULTIMATE.start_main_~k~5 27), 11848#(<= ULTIMATE.start_main_~k~5 28), 11849#(<= ULTIMATE.start_main_~k~5 29), 11850#(<= ULTIMATE.start_main_~k~5 30), 11851#(<= ULTIMATE.start_main_~k~5 31), 11852#(<= ULTIMATE.start_main_~k~5 32), 11853#(<= ULTIMATE.start_main_~k~5 33), 11854#(<= ULTIMATE.start_main_~k~5 34), 11855#(<= ULTIMATE.start_main_~k~5 35), 11856#(<= ULTIMATE.start_main_~k~5 36), 11857#(<= ULTIMATE.start_main_~k~5 37), 11858#(<= ULTIMATE.start_main_~k~5 38), 11859#(<= ULTIMATE.start_main_~k~5 39), 11860#(<= ULTIMATE.start_main_~k~5 40), 11861#(<= ULTIMATE.start_main_~k~5 41), 11862#(<= ULTIMATE.start_main_~k~5 42), 11863#(<= ULTIMATE.start_main_~k~5 43), 11864#(<= ULTIMATE.start_main_~k~5 44), 11865#(<= ULTIMATE.start_main_~k~5 45), 11866#(<= ULTIMATE.start_main_~k~5 46), 11867#(<= ULTIMATE.start_main_~k~5 47), 11868#(<= ULTIMATE.start_main_~k~5 48), 11869#(<= ULTIMATE.start_main_~k~5 49), 11870#(<= ULTIMATE.start_main_~k~5 50), 11871#(<= ULTIMATE.start_main_~k~5 51), 11872#(<= ULTIMATE.start_main_~k~5 52), 11873#(<= ULTIMATE.start_main_~k~5 53), 11874#(<= ULTIMATE.start_main_~k~5 54), 11875#(<= ULTIMATE.start_main_~k~5 55), 11876#(<= ULTIMATE.start_main_~k~5 56), 11877#(<= ULTIMATE.start_main_~k~5 57), 11878#(<= ULTIMATE.start_main_~k~5 58), 11879#(<= ULTIMATE.start_main_~k~5 59), 11880#(<= ULTIMATE.start_main_~k~5 60), 11881#(<= ULTIMATE.start_main_~k~5 61), 11882#(<= ULTIMATE.start_main_~k~5 62), 11883#(<= ULTIMATE.start_main_~k~5 63), 11884#(<= ULTIMATE.start_main_~k~5 64)] [2018-07-23 13:40:47,131 INFO L134 CoverageAnalysis]: Checked inductivity of 2080 backedges. 0 proven. 2080 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2018-07-23 13:40:47,131 INFO L450 AbstractCegarLoop]: Interpolant automaton has 67 states [2018-07-23 13:40:47,132 INFO L132 InterpolantAutomaton]: Constructing interpolant automaton starting with 67 interpolants. [2018-07-23 13:40:47,133 INFO L133 InterpolantAutomaton]: CoverageRelationStatistics Valid=2211, Invalid=2211, Unknown=0, NotChecked=0, Total=4422 [2018-07-23 13:40:47,133 INFO L87 Difference]: Start difference. First operand 68 states and 68 transitions. Second operand 67 states. [2018-07-23 13:40:47,183 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2018-07-23 13:40:47,183 INFO L93 Difference]: Finished difference Result 71 states and 71 transitions. [2018-07-23 13:40:47,183 INFO L142 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 67 states. [2018-07-23 13:40:47,183 INFO L78 Accepts]: Start accepts. Automaton has 67 states. Word has length 67 [2018-07-23 13:40:47,184 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2018-07-23 13:40:47,184 INFO L225 Difference]: With dead ends: 71 [2018-07-23 13:40:47,184 INFO L226 Difference]: Without dead ends: 69 [2018-07-23 13:40:47,185 INFO L575 BasicCegarLoop]: 0 DeclaredPredicates, 66 GetRequests, 1 SyntacticMatches, 0 SemanticMatches, 65 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 0 ImplicationChecksByTransitivity, 0.2s TimeCoverageRelationStatistics Valid=2211, Invalid=2211, Unknown=0, NotChecked=0, Total=4422 [2018-07-23 13:40:47,186 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 69 states. [2018-07-23 13:40:47,189 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 69 to 69. [2018-07-23 13:40:47,189 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 69 states. [2018-07-23 13:40:47,190 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 69 states to 69 states and 69 transitions. [2018-07-23 13:40:47,190 INFO L78 Accepts]: Start accepts. Automaton has 69 states and 69 transitions. Word has length 67 [2018-07-23 13:40:47,190 INFO L84 Accepts]: Finished accepts. word is rejected. [2018-07-23 13:40:47,190 INFO L471 AbstractCegarLoop]: Abstraction has 69 states and 69 transitions. [2018-07-23 13:40:47,190 INFO L472 AbstractCegarLoop]: Interpolant automaton has 67 states. [2018-07-23 13:40:47,191 INFO L276 IsEmpty]: Start isEmpty. Operand 69 states and 69 transitions. [2018-07-23 13:40:47,191 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 69 [2018-07-23 13:40:47,191 INFO L349 BasicCegarLoop]: Found error trace [2018-07-23 13:40:47,191 INFO L357 BasicCegarLoop]: trace histogram [65, 1, 1, 1] [2018-07-23 13:40:47,191 INFO L414 AbstractCegarLoop]: === Iteration 66 === [ULTIMATE.startErr0AssertViolationASSERT]=== [2018-07-23 13:40:47,192 INFO L82 PathProgramCache]: Analyzing trace with hash 906923816, now seen corresponding path program 65 times [2018-07-23 13:40:47,192 INFO L69 tionRefinementEngine]: Using refinement strategy FixedRefinementStrategy [2018-07-23 13:40:47,211 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-07-23 13:40:47,483 INFO L134 CoverageAnalysis]: Checked inductivity of 2145 backedges. 0 proven. 2145 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2018-07-23 13:40:47,483 INFO L309 seRefinementStrategy]: Constructing automaton from 0 perfect and 1 imperfect interpolant sequences. [2018-07-23 13:40:47,483 INFO L324 seRefinementStrategy]: Number of different interpolants: perfect sequences [] imperfect sequences [67] total 67 [2018-07-23 13:40:47,483 INFO L142 lantAutomatonBuilder]: Constructing canonical interpolant automaton, with selfloop in false state [2018-07-23 13:40:47,484 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 13:40:47,484 INFO L185 omatonBuilderFactory]: Interpolants [12165#true, 12166#false, 12167#(<= ULTIMATE.start_main_~k~5 0), 12168#(<= ULTIMATE.start_main_~k~5 1), 12169#(<= ULTIMATE.start_main_~k~5 2), 12170#(<= ULTIMATE.start_main_~k~5 3), 12171#(<= ULTIMATE.start_main_~k~5 4), 12172#(<= ULTIMATE.start_main_~k~5 5), 12173#(<= ULTIMATE.start_main_~k~5 6), 12174#(<= ULTIMATE.start_main_~k~5 7), 12175#(<= ULTIMATE.start_main_~k~5 8), 12176#(<= ULTIMATE.start_main_~k~5 9), 12177#(<= ULTIMATE.start_main_~k~5 10), 12178#(<= ULTIMATE.start_main_~k~5 11), 12179#(<= ULTIMATE.start_main_~k~5 12), 12180#(<= ULTIMATE.start_main_~k~5 13), 12181#(<= ULTIMATE.start_main_~k~5 14), 12182#(<= ULTIMATE.start_main_~k~5 15), 12183#(<= ULTIMATE.start_main_~k~5 16), 12184#(<= ULTIMATE.start_main_~k~5 17), 12185#(<= ULTIMATE.start_main_~k~5 18), 12186#(<= ULTIMATE.start_main_~k~5 19), 12187#(<= ULTIMATE.start_main_~k~5 20), 12188#(<= ULTIMATE.start_main_~k~5 21), 12189#(<= ULTIMATE.start_main_~k~5 22), 12190#(<= ULTIMATE.start_main_~k~5 23), 12191#(<= ULTIMATE.start_main_~k~5 24), 12192#(<= ULTIMATE.start_main_~k~5 25), 12193#(<= ULTIMATE.start_main_~k~5 26), 12194#(<= ULTIMATE.start_main_~k~5 27), 12195#(<= ULTIMATE.start_main_~k~5 28), 12196#(<= ULTIMATE.start_main_~k~5 29), 12197#(<= ULTIMATE.start_main_~k~5 30), 12198#(<= ULTIMATE.start_main_~k~5 31), 12199#(<= ULTIMATE.start_main_~k~5 32), 12200#(<= ULTIMATE.start_main_~k~5 33), 12201#(<= ULTIMATE.start_main_~k~5 34), 12202#(<= ULTIMATE.start_main_~k~5 35), 12203#(<= ULTIMATE.start_main_~k~5 36), 12204#(<= ULTIMATE.start_main_~k~5 37), 12205#(<= ULTIMATE.start_main_~k~5 38), 12206#(<= ULTIMATE.start_main_~k~5 39), 12207#(<= ULTIMATE.start_main_~k~5 40), 12208#(<= ULTIMATE.start_main_~k~5 41), 12209#(<= ULTIMATE.start_main_~k~5 42), 12210#(<= ULTIMATE.start_main_~k~5 43), 12211#(<= ULTIMATE.start_main_~k~5 44), 12212#(<= ULTIMATE.start_main_~k~5 45), 12213#(<= ULTIMATE.start_main_~k~5 46), 12214#(<= ULTIMATE.start_main_~k~5 47), 12215#(<= ULTIMATE.start_main_~k~5 48), 12216#(<= ULTIMATE.start_main_~k~5 49), 12217#(<= ULTIMATE.start_main_~k~5 50), 12218#(<= ULTIMATE.start_main_~k~5 51), 12219#(<= ULTIMATE.start_main_~k~5 52), 12220#(<= ULTIMATE.start_main_~k~5 53), 12221#(<= ULTIMATE.start_main_~k~5 54), 12222#(<= ULTIMATE.start_main_~k~5 55), 12223#(<= ULTIMATE.start_main_~k~5 56), 12224#(<= ULTIMATE.start_main_~k~5 57), 12225#(<= ULTIMATE.start_main_~k~5 58), 12226#(<= ULTIMATE.start_main_~k~5 59), 12227#(<= ULTIMATE.start_main_~k~5 60), 12228#(<= ULTIMATE.start_main_~k~5 61), 12229#(<= ULTIMATE.start_main_~k~5 62), 12230#(<= ULTIMATE.start_main_~k~5 63), 12231#(<= ULTIMATE.start_main_~k~5 64), 12232#(<= ULTIMATE.start_main_~k~5 65)] [2018-07-23 13:40:47,485 INFO L134 CoverageAnalysis]: Checked inductivity of 2145 backedges. 0 proven. 2145 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2018-07-23 13:40:47,485 INFO L450 AbstractCegarLoop]: Interpolant automaton has 68 states [2018-07-23 13:40:47,487 INFO L132 InterpolantAutomaton]: Constructing interpolant automaton starting with 68 interpolants. [2018-07-23 13:40:47,488 INFO L133 InterpolantAutomaton]: CoverageRelationStatistics Valid=2278, Invalid=2278, Unknown=0, NotChecked=0, Total=4556 [2018-07-23 13:40:47,488 INFO L87 Difference]: Start difference. First operand 69 states and 69 transitions. Second operand 68 states. [2018-07-23 13:40:47,551 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2018-07-23 13:40:47,551 INFO L93 Difference]: Finished difference Result 72 states and 72 transitions. [2018-07-23 13:40:47,552 INFO L142 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 68 states. [2018-07-23 13:40:47,552 INFO L78 Accepts]: Start accepts. Automaton has 68 states. Word has length 68 [2018-07-23 13:40:47,552 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2018-07-23 13:40:47,553 INFO L225 Difference]: With dead ends: 72 [2018-07-23 13:40:47,553 INFO L226 Difference]: Without dead ends: 70 [2018-07-23 13:40:47,554 INFO L575 BasicCegarLoop]: 0 DeclaredPredicates, 67 GetRequests, 1 SyntacticMatches, 0 SemanticMatches, 66 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 0 ImplicationChecksByTransitivity, 0.2s TimeCoverageRelationStatistics Valid=2278, Invalid=2278, Unknown=0, NotChecked=0, Total=4556 [2018-07-23 13:40:47,554 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 70 states. [2018-07-23 13:40:47,556 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 70 to 70. [2018-07-23 13:40:47,557 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 70 states. [2018-07-23 13:40:47,557 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 70 states to 70 states and 70 transitions. [2018-07-23 13:40:47,557 INFO L78 Accepts]: Start accepts. Automaton has 70 states and 70 transitions. Word has length 68 [2018-07-23 13:40:47,557 INFO L84 Accepts]: Finished accepts. word is rejected. [2018-07-23 13:40:47,558 INFO L471 AbstractCegarLoop]: Abstraction has 70 states and 70 transitions. [2018-07-23 13:40:47,558 INFO L472 AbstractCegarLoop]: Interpolant automaton has 68 states. [2018-07-23 13:40:47,558 INFO L276 IsEmpty]: Start isEmpty. Operand 70 states and 70 transitions. [2018-07-23 13:40:47,558 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 70 [2018-07-23 13:40:47,558 INFO L349 BasicCegarLoop]: Found error trace [2018-07-23 13:40:47,559 INFO L357 BasicCegarLoop]: trace histogram [66, 1, 1, 1] [2018-07-23 13:40:47,559 INFO L414 AbstractCegarLoop]: === Iteration 67 === [ULTIMATE.startErr0AssertViolationASSERT]=== [2018-07-23 13:40:47,559 INFO L82 PathProgramCache]: Analyzing trace with hash -1950134751, now seen corresponding path program 66 times [2018-07-23 13:40:47,559 INFO L69 tionRefinementEngine]: Using refinement strategy FixedRefinementStrategy [2018-07-23 13:40:47,581 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-07-23 13:40:47,898 INFO L134 CoverageAnalysis]: Checked inductivity of 2211 backedges. 0 proven. 2211 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2018-07-23 13:40:47,898 INFO L309 seRefinementStrategy]: Constructing automaton from 0 perfect and 1 imperfect interpolant sequences. [2018-07-23 13:40:47,898 INFO L324 seRefinementStrategy]: Number of different interpolants: perfect sequences [] imperfect sequences [68] total 68 [2018-07-23 13:40:47,898 INFO L142 lantAutomatonBuilder]: Constructing canonical interpolant automaton, with selfloop in false state [2018-07-23 13:40:47,899 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2018-07-23 13:40:47,899 INFO L185 omatonBuilderFactory]: Interpolants [12544#(<= ULTIMATE.start_main_~k~5 25), 12545#(<= ULTIMATE.start_main_~k~5 26), 12546#(<= ULTIMATE.start_main_~k~5 27), 12547#(<= ULTIMATE.start_main_~k~5 28), 12548#(<= ULTIMATE.start_main_~k~5 29), 12549#(<= ULTIMATE.start_main_~k~5 30), 12550#(<= ULTIMATE.start_main_~k~5 31), 12551#(<= ULTIMATE.start_main_~k~5 32), 12552#(<= ULTIMATE.start_main_~k~5 33), 12553#(<= ULTIMATE.start_main_~k~5 34), 12554#(<= ULTIMATE.start_main_~k~5 35), 12555#(<= ULTIMATE.start_main_~k~5 36), 12556#(<= ULTIMATE.start_main_~k~5 37), 12557#(<= ULTIMATE.start_main_~k~5 38), 12558#(<= ULTIMATE.start_main_~k~5 39), 12559#(<= ULTIMATE.start_main_~k~5 40), 12560#(<= ULTIMATE.start_main_~k~5 41), 12561#(<= ULTIMATE.start_main_~k~5 42), 12562#(<= ULTIMATE.start_main_~k~5 43), 12563#(<= ULTIMATE.start_main_~k~5 44), 12564#(<= ULTIMATE.start_main_~k~5 45), 12565#(<= ULTIMATE.start_main_~k~5 46), 12566#(<= ULTIMATE.start_main_~k~5 47), 12567#(<= ULTIMATE.start_main_~k~5 48), 12568#(<= ULTIMATE.start_main_~k~5 49), 12569#(<= ULTIMATE.start_main_~k~5 50), 12570#(<= ULTIMATE.start_main_~k~5 51), 12571#(<= ULTIMATE.start_main_~k~5 52), 12572#(<= ULTIMATE.start_main_~k~5 53), 12573#(<= ULTIMATE.start_main_~k~5 54), 12574#(<= ULTIMATE.start_main_~k~5 55), 12575#(<= ULTIMATE.start_main_~k~5 56), 12576#(<= ULTIMATE.start_main_~k~5 57), 12577#(<= ULTIMATE.start_main_~k~5 58), 12578#(<= ULTIMATE.start_main_~k~5 59), 12579#(<= ULTIMATE.start_main_~k~5 60), 12580#(<= ULTIMATE.start_main_~k~5 61), 12581#(<= ULTIMATE.start_main_~k~5 62), 12582#(<= ULTIMATE.start_main_~k~5 63), 12583#(<= ULTIMATE.start_main_~k~5 64), 12584#(<= ULTIMATE.start_main_~k~5 65), 12585#(<= ULTIMATE.start_main_~k~5 66), 12517#true, 12518#false, 12519#(<= ULTIMATE.start_main_~k~5 0), 12520#(<= ULTIMATE.start_main_~k~5 1), 12521#(<= ULTIMATE.start_main_~k~5 2), 12522#(<= ULTIMATE.start_main_~k~5 3), 12523#(<= ULTIMATE.start_main_~k~5 4), 12524#(<= ULTIMATE.start_main_~k~5 5), 12525#(<= ULTIMATE.start_main_~k~5 6), 12526#(<= ULTIMATE.start_main_~k~5 7), 12527#(<= ULTIMATE.start_main_~k~5 8), 12528#(<= ULTIMATE.start_main_~k~5 9), 12529#(<= ULTIMATE.start_main_~k~5 10), 12530#(<= ULTIMATE.start_main_~k~5 11), 12531#(<= ULTIMATE.start_main_~k~5 12), 12532#(<= ULTIMATE.start_main_~k~5 13), 12533#(<= ULTIMATE.start_main_~k~5 14), 12534#(<= ULTIMATE.start_main_~k~5 15), 12535#(<= ULTIMATE.start_main_~k~5 16), 12536#(<= ULTIMATE.start_main_~k~5 17), 12537#(<= ULTIMATE.start_main_~k~5 18), 12538#(<= ULTIMATE.start_main_~k~5 19), 12539#(<= ULTIMATE.start_main_~k~5 20), 12540#(<= ULTIMATE.start_main_~k~5 21), 12541#(<= ULTIMATE.start_main_~k~5 22), 12542#(<= ULTIMATE.start_main_~k~5 23), 12543#(<= ULTIMATE.start_main_~k~5 24)] [2018-07-23 13:40:47,900 INFO L134 CoverageAnalysis]: Checked inductivity of 2211 backedges. 0 proven. 2211 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2018-07-23 13:40:47,900 INFO L450 AbstractCegarLoop]: Interpolant automaton has 69 states [2018-07-23 13:40:47,901 INFO L132 InterpolantAutomaton]: Constructing interpolant automaton starting with 69 interpolants. [2018-07-23 13:40:47,901 INFO L133 InterpolantAutomaton]: CoverageRelationStatistics Valid=2346, Invalid=2346, Unknown=0, NotChecked=0, Total=4692 [2018-07-23 13:40:47,902 INFO L87 Difference]: Start difference. First operand 70 states and 70 transitions. Second operand 69 states. [2018-07-23 13:40:47,953 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2018-07-23 13:40:47,953 INFO L93 Difference]: Finished difference Result 73 states and 73 transitions. [2018-07-23 13:40:47,953 INFO L142 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 69 states. [2018-07-23 13:40:47,953 INFO L78 Accepts]: Start accepts. Automaton has 69 states. Word has length 69 [2018-07-23 13:40:47,954 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2018-07-23 13:40:47,954 INFO L225 Difference]: With dead ends: 73 [2018-07-23 13:40:47,954 INFO L226 Difference]: Without dead ends: 71 [2018-07-23 13:40:47,956 INFO L575 BasicCegarLoop]: 0 DeclaredPredicates, 68 GetRequests, 1 SyntacticMatches, 0 SemanticMatches, 67 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 0 ImplicationChecksByTransitivity, 0.2s TimeCoverageRelationStatistics Valid=2346, Invalid=2346, Unknown=0, NotChecked=0, Total=4692 [2018-07-23 13:40:47,956 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 71 states. [2018-07-23 13:40:47,958 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 71 to 71. [2018-07-23 13:40:47,958 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 71 states. [2018-07-23 13:40:47,959 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 71 states to 71 states and 71 transitions. [2018-07-23 13:40:47,959 INFO L78 Accepts]: Start accepts. Automaton has 71 states and 71 transitions. Word has length 69 [2018-07-23 13:40:47,959 INFO L84 Accepts]: Finished accepts. word is rejected. [2018-07-23 13:40:47,959 INFO L471 AbstractCegarLoop]: Abstraction has 71 states and 71 transitions. [2018-07-23 13:40:47,959 INFO L472 AbstractCegarLoop]: Interpolant automaton has 69 states. [2018-07-23 13:40:47,959 INFO L276 IsEmpty]: Start isEmpty. Operand 71 states and 71 transitions. [2018-07-23 13:40:47,960 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 71 [2018-07-23 13:40:47,960 INFO L349 BasicCegarLoop]: Found error trace [2018-07-23 13:40:47,960 INFO L357 BasicCegarLoop]: trace histogram [67, 1, 1, 1] [2018-07-23 13:40:47,960 INFO L414 AbstractCegarLoop]: === Iteration 68 === [ULTIMATE.startErr0AssertViolationASSERT]=== [2018-07-23 13:40:47,960 INFO L82 PathProgramCache]: Analyzing trace with hash -324637112, now seen corresponding path program 67 times [2018-07-23 13:40:47,961 INFO L69 tionRefinementEngine]: Using refinement strategy FixedRefinementStrategy [2018-07-23 13:40:47,984 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-07-23 13:40:48,278 INFO L134 CoverageAnalysis]: Checked inductivity of 2278 backedges. 0 proven. 2278 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2018-07-23 13:40:48,279 INFO L309 seRefinementStrategy]: Constructing automaton from 0 perfect and 1 imperfect interpolant sequences. [2018-07-23 13:40:48,279 INFO L324 seRefinementStrategy]: Number of different interpolants: perfect sequences [] imperfect sequences [69] total 69 [2018-07-23 13:40:48,279 INFO L142 lantAutomatonBuilder]: Constructing canonical interpolant automaton, with selfloop in false state [2018-07-23 13:40:48,279 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2018-07-23 13:40:48,280 INFO L185 omatonBuilderFactory]: Interpolants [12928#(<= ULTIMATE.start_main_~k~5 52), 12929#(<= ULTIMATE.start_main_~k~5 53), 12930#(<= ULTIMATE.start_main_~k~5 54), 12931#(<= ULTIMATE.start_main_~k~5 55), 12932#(<= ULTIMATE.start_main_~k~5 56), 12933#(<= ULTIMATE.start_main_~k~5 57), 12934#(<= ULTIMATE.start_main_~k~5 58), 12935#(<= ULTIMATE.start_main_~k~5 59), 12936#(<= ULTIMATE.start_main_~k~5 60), 12937#(<= ULTIMATE.start_main_~k~5 61), 12938#(<= ULTIMATE.start_main_~k~5 62), 12939#(<= ULTIMATE.start_main_~k~5 63), 12940#(<= ULTIMATE.start_main_~k~5 64), 12941#(<= ULTIMATE.start_main_~k~5 65), 12942#(<= ULTIMATE.start_main_~k~5 66), 12943#(<= ULTIMATE.start_main_~k~5 67), 12874#true, 12875#false, 12876#(<= ULTIMATE.start_main_~k~5 0), 12877#(<= ULTIMATE.start_main_~k~5 1), 12878#(<= ULTIMATE.start_main_~k~5 2), 12879#(<= ULTIMATE.start_main_~k~5 3), 12880#(<= ULTIMATE.start_main_~k~5 4), 12881#(<= ULTIMATE.start_main_~k~5 5), 12882#(<= ULTIMATE.start_main_~k~5 6), 12883#(<= ULTIMATE.start_main_~k~5 7), 12884#(<= ULTIMATE.start_main_~k~5 8), 12885#(<= ULTIMATE.start_main_~k~5 9), 12886#(<= ULTIMATE.start_main_~k~5 10), 12887#(<= ULTIMATE.start_main_~k~5 11), 12888#(<= ULTIMATE.start_main_~k~5 12), 12889#(<= ULTIMATE.start_main_~k~5 13), 12890#(<= ULTIMATE.start_main_~k~5 14), 12891#(<= ULTIMATE.start_main_~k~5 15), 12892#(<= ULTIMATE.start_main_~k~5 16), 12893#(<= ULTIMATE.start_main_~k~5 17), 12894#(<= ULTIMATE.start_main_~k~5 18), 12895#(<= ULTIMATE.start_main_~k~5 19), 12896#(<= ULTIMATE.start_main_~k~5 20), 12897#(<= ULTIMATE.start_main_~k~5 21), 12898#(<= ULTIMATE.start_main_~k~5 22), 12899#(<= ULTIMATE.start_main_~k~5 23), 12900#(<= ULTIMATE.start_main_~k~5 24), 12901#(<= ULTIMATE.start_main_~k~5 25), 12902#(<= ULTIMATE.start_main_~k~5 26), 12903#(<= ULTIMATE.start_main_~k~5 27), 12904#(<= ULTIMATE.start_main_~k~5 28), 12905#(<= ULTIMATE.start_main_~k~5 29), 12906#(<= ULTIMATE.start_main_~k~5 30), 12907#(<= ULTIMATE.start_main_~k~5 31), 12908#(<= ULTIMATE.start_main_~k~5 32), 12909#(<= ULTIMATE.start_main_~k~5 33), 12910#(<= ULTIMATE.start_main_~k~5 34), 12911#(<= ULTIMATE.start_main_~k~5 35), 12912#(<= ULTIMATE.start_main_~k~5 36), 12913#(<= ULTIMATE.start_main_~k~5 37), 12914#(<= ULTIMATE.start_main_~k~5 38), 12915#(<= ULTIMATE.start_main_~k~5 39), 12916#(<= ULTIMATE.start_main_~k~5 40), 12917#(<= ULTIMATE.start_main_~k~5 41), 12918#(<= ULTIMATE.start_main_~k~5 42), 12919#(<= ULTIMATE.start_main_~k~5 43), 12920#(<= ULTIMATE.start_main_~k~5 44), 12921#(<= ULTIMATE.start_main_~k~5 45), 12922#(<= ULTIMATE.start_main_~k~5 46), 12923#(<= ULTIMATE.start_main_~k~5 47), 12924#(<= ULTIMATE.start_main_~k~5 48), 12925#(<= ULTIMATE.start_main_~k~5 49), 12926#(<= ULTIMATE.start_main_~k~5 50), 12927#(<= ULTIMATE.start_main_~k~5 51)] [2018-07-23 13:40:48,281 INFO L134 CoverageAnalysis]: Checked inductivity of 2278 backedges. 0 proven. 2278 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2018-07-23 13:40:48,281 INFO L450 AbstractCegarLoop]: Interpolant automaton has 70 states [2018-07-23 13:40:48,282 INFO L132 InterpolantAutomaton]: Constructing interpolant automaton starting with 70 interpolants. [2018-07-23 13:40:48,283 INFO L133 InterpolantAutomaton]: CoverageRelationStatistics Valid=2415, Invalid=2415, Unknown=0, NotChecked=0, Total=4830 [2018-07-23 13:40:48,283 INFO L87 Difference]: Start difference. First operand 71 states and 71 transitions. Second operand 70 states. [2018-07-23 13:40:48,333 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2018-07-23 13:40:48,333 INFO L93 Difference]: Finished difference Result 74 states and 74 transitions. [2018-07-23 13:40:48,334 INFO L142 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 70 states. [2018-07-23 13:40:48,334 INFO L78 Accepts]: Start accepts. Automaton has 70 states. Word has length 70 [2018-07-23 13:40:48,334 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2018-07-23 13:40:48,335 INFO L225 Difference]: With dead ends: 74 [2018-07-23 13:40:48,335 INFO L226 Difference]: Without dead ends: 72 [2018-07-23 13:40:48,337 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 13:40:48,337 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 72 states. [2018-07-23 13:40:48,340 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 72 to 72. [2018-07-23 13:40:48,340 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 72 states. [2018-07-23 13:40:48,340 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 72 states to 72 states and 72 transitions. [2018-07-23 13:40:48,341 INFO L78 Accepts]: Start accepts. Automaton has 72 states and 72 transitions. Word has length 70 [2018-07-23 13:40:48,341 INFO L84 Accepts]: Finished accepts. word is rejected. [2018-07-23 13:40:48,341 INFO L471 AbstractCegarLoop]: Abstraction has 72 states and 72 transitions. [2018-07-23 13:40:48,341 INFO L472 AbstractCegarLoop]: Interpolant automaton has 70 states. [2018-07-23 13:40:48,341 INFO L276 IsEmpty]: Start isEmpty. Operand 72 states and 72 transitions. [2018-07-23 13:40:48,342 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 72 [2018-07-23 13:40:48,342 INFO L349 BasicCegarLoop]: Found error trace [2018-07-23 13:40:48,342 INFO L357 BasicCegarLoop]: trace histogram [68, 1, 1, 1] [2018-07-23 13:40:48,342 INFO L414 AbstractCegarLoop]: === Iteration 69 === [ULTIMATE.startErr0AssertViolationASSERT]=== [2018-07-23 13:40:48,343 INFO L82 PathProgramCache]: Analyzing trace with hash -1473817855, now seen corresponding path program 68 times [2018-07-23 13:40:48,343 INFO L69 tionRefinementEngine]: Using refinement strategy FixedRefinementStrategy [2018-07-23 13:40:48,366 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-07-23 13:40:48,659 INFO L134 CoverageAnalysis]: Checked inductivity of 2346 backedges. 0 proven. 2346 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2018-07-23 13:40:48,659 INFO L309 seRefinementStrategy]: Constructing automaton from 0 perfect and 1 imperfect interpolant sequences. [2018-07-23 13:40:48,659 INFO L324 seRefinementStrategy]: Number of different interpolants: perfect sequences [] imperfect sequences [70] total 70 [2018-07-23 13:40:48,660 INFO L142 lantAutomatonBuilder]: Constructing canonical interpolant automaton, with selfloop in false state [2018-07-23 13:40:48,660 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2018-07-23 13:40:48,660 INFO L185 omatonBuilderFactory]: Interpolants [13236#true, 13237#false, 13238#(<= ULTIMATE.start_main_~k~5 0), 13239#(<= ULTIMATE.start_main_~k~5 1), 13240#(<= ULTIMATE.start_main_~k~5 2), 13241#(<= ULTIMATE.start_main_~k~5 3), 13242#(<= ULTIMATE.start_main_~k~5 4), 13243#(<= ULTIMATE.start_main_~k~5 5), 13244#(<= ULTIMATE.start_main_~k~5 6), 13245#(<= ULTIMATE.start_main_~k~5 7), 13246#(<= ULTIMATE.start_main_~k~5 8), 13247#(<= ULTIMATE.start_main_~k~5 9), 13248#(<= ULTIMATE.start_main_~k~5 10), 13249#(<= ULTIMATE.start_main_~k~5 11), 13250#(<= ULTIMATE.start_main_~k~5 12), 13251#(<= ULTIMATE.start_main_~k~5 13), 13252#(<= ULTIMATE.start_main_~k~5 14), 13253#(<= ULTIMATE.start_main_~k~5 15), 13254#(<= ULTIMATE.start_main_~k~5 16), 13255#(<= ULTIMATE.start_main_~k~5 17), 13256#(<= ULTIMATE.start_main_~k~5 18), 13257#(<= ULTIMATE.start_main_~k~5 19), 13258#(<= ULTIMATE.start_main_~k~5 20), 13259#(<= ULTIMATE.start_main_~k~5 21), 13260#(<= ULTIMATE.start_main_~k~5 22), 13261#(<= ULTIMATE.start_main_~k~5 23), 13262#(<= ULTIMATE.start_main_~k~5 24), 13263#(<= ULTIMATE.start_main_~k~5 25), 13264#(<= ULTIMATE.start_main_~k~5 26), 13265#(<= ULTIMATE.start_main_~k~5 27), 13266#(<= ULTIMATE.start_main_~k~5 28), 13267#(<= ULTIMATE.start_main_~k~5 29), 13268#(<= ULTIMATE.start_main_~k~5 30), 13269#(<= ULTIMATE.start_main_~k~5 31), 13270#(<= ULTIMATE.start_main_~k~5 32), 13271#(<= ULTIMATE.start_main_~k~5 33), 13272#(<= ULTIMATE.start_main_~k~5 34), 13273#(<= ULTIMATE.start_main_~k~5 35), 13274#(<= ULTIMATE.start_main_~k~5 36), 13275#(<= ULTIMATE.start_main_~k~5 37), 13276#(<= ULTIMATE.start_main_~k~5 38), 13277#(<= ULTIMATE.start_main_~k~5 39), 13278#(<= ULTIMATE.start_main_~k~5 40), 13279#(<= ULTIMATE.start_main_~k~5 41), 13280#(<= ULTIMATE.start_main_~k~5 42), 13281#(<= ULTIMATE.start_main_~k~5 43), 13282#(<= ULTIMATE.start_main_~k~5 44), 13283#(<= ULTIMATE.start_main_~k~5 45), 13284#(<= ULTIMATE.start_main_~k~5 46), 13285#(<= ULTIMATE.start_main_~k~5 47), 13286#(<= ULTIMATE.start_main_~k~5 48), 13287#(<= ULTIMATE.start_main_~k~5 49), 13288#(<= ULTIMATE.start_main_~k~5 50), 13289#(<= ULTIMATE.start_main_~k~5 51), 13290#(<= ULTIMATE.start_main_~k~5 52), 13291#(<= ULTIMATE.start_main_~k~5 53), 13292#(<= ULTIMATE.start_main_~k~5 54), 13293#(<= ULTIMATE.start_main_~k~5 55), 13294#(<= ULTIMATE.start_main_~k~5 56), 13295#(<= ULTIMATE.start_main_~k~5 57), 13296#(<= ULTIMATE.start_main_~k~5 58), 13297#(<= ULTIMATE.start_main_~k~5 59), 13298#(<= ULTIMATE.start_main_~k~5 60), 13299#(<= ULTIMATE.start_main_~k~5 61), 13300#(<= ULTIMATE.start_main_~k~5 62), 13301#(<= ULTIMATE.start_main_~k~5 63), 13302#(<= ULTIMATE.start_main_~k~5 64), 13303#(<= ULTIMATE.start_main_~k~5 65), 13304#(<= ULTIMATE.start_main_~k~5 66), 13305#(<= ULTIMATE.start_main_~k~5 67), 13306#(<= ULTIMATE.start_main_~k~5 68)] [2018-07-23 13:40:48,661 INFO L134 CoverageAnalysis]: Checked inductivity of 2346 backedges. 0 proven. 2346 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2018-07-23 13:40:48,661 INFO L450 AbstractCegarLoop]: Interpolant automaton has 71 states [2018-07-23 13:40:48,662 INFO L132 InterpolantAutomaton]: Constructing interpolant automaton starting with 71 interpolants. [2018-07-23 13:40:48,663 INFO L133 InterpolantAutomaton]: CoverageRelationStatistics Valid=2485, Invalid=2485, Unknown=0, NotChecked=0, Total=4970 [2018-07-23 13:40:48,663 INFO L87 Difference]: Start difference. First operand 72 states and 72 transitions. Second operand 71 states. [2018-07-23 13:40:48,733 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2018-07-23 13:40:48,733 INFO L93 Difference]: Finished difference Result 75 states and 75 transitions. [2018-07-23 13:40:48,733 INFO L142 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 71 states. [2018-07-23 13:40:48,733 INFO L78 Accepts]: Start accepts. Automaton has 71 states. Word has length 71 [2018-07-23 13:40:48,734 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2018-07-23 13:40:48,734 INFO L225 Difference]: With dead ends: 75 [2018-07-23 13:40:48,734 INFO L226 Difference]: Without dead ends: 73 [2018-07-23 13:40:48,736 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 13:40:48,736 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 73 states. [2018-07-23 13:40:48,738 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 73 to 73. [2018-07-23 13:40:48,738 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 73 states. [2018-07-23 13:40:48,739 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 73 states to 73 states and 73 transitions. [2018-07-23 13:40:48,739 INFO L78 Accepts]: Start accepts. Automaton has 73 states and 73 transitions. Word has length 71 [2018-07-23 13:40:48,739 INFO L84 Accepts]: Finished accepts. word is rejected. [2018-07-23 13:40:48,739 INFO L471 AbstractCegarLoop]: Abstraction has 73 states and 73 transitions. [2018-07-23 13:40:48,739 INFO L472 AbstractCegarLoop]: Interpolant automaton has 71 states. [2018-07-23 13:40:48,740 INFO L276 IsEmpty]: Start isEmpty. Operand 73 states and 73 transitions. [2018-07-23 13:40:48,740 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 73 [2018-07-23 13:40:48,740 INFO L349 BasicCegarLoop]: Found error trace [2018-07-23 13:40:48,741 INFO L357 BasicCegarLoop]: trace histogram [69, 1, 1, 1] [2018-07-23 13:40:48,741 INFO L414 AbstractCegarLoop]: === Iteration 70 === [ULTIMATE.startErr0AssertViolationASSERT]=== [2018-07-23 13:40:48,741 INFO L82 PathProgramCache]: Analyzing trace with hash 1556284776, now seen corresponding path program 69 times [2018-07-23 13:40:48,741 INFO L69 tionRefinementEngine]: Using refinement strategy FixedRefinementStrategy [2018-07-23 13:40:48,766 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-07-23 13:40:49,067 INFO L134 CoverageAnalysis]: Checked inductivity of 2415 backedges. 0 proven. 2415 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2018-07-23 13:40:49,068 INFO L309 seRefinementStrategy]: Constructing automaton from 0 perfect and 1 imperfect interpolant sequences. [2018-07-23 13:40:49,068 INFO L324 seRefinementStrategy]: Number of different interpolants: perfect sequences [] imperfect sequences [71] total 71 [2018-07-23 13:40:49,068 INFO L142 lantAutomatonBuilder]: Constructing canonical interpolant automaton, with selfloop in false state [2018-07-23 13:40:49,068 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2018-07-23 13:40:49,069 INFO L185 omatonBuilderFactory]: Interpolants [13603#true, 13604#false, 13605#(<= ULTIMATE.start_main_~k~5 0), 13606#(<= ULTIMATE.start_main_~k~5 1), 13607#(<= ULTIMATE.start_main_~k~5 2), 13608#(<= ULTIMATE.start_main_~k~5 3), 13609#(<= ULTIMATE.start_main_~k~5 4), 13610#(<= ULTIMATE.start_main_~k~5 5), 13611#(<= ULTIMATE.start_main_~k~5 6), 13612#(<= ULTIMATE.start_main_~k~5 7), 13613#(<= ULTIMATE.start_main_~k~5 8), 13614#(<= ULTIMATE.start_main_~k~5 9), 13615#(<= ULTIMATE.start_main_~k~5 10), 13616#(<= ULTIMATE.start_main_~k~5 11), 13617#(<= ULTIMATE.start_main_~k~5 12), 13618#(<= ULTIMATE.start_main_~k~5 13), 13619#(<= ULTIMATE.start_main_~k~5 14), 13620#(<= ULTIMATE.start_main_~k~5 15), 13621#(<= ULTIMATE.start_main_~k~5 16), 13622#(<= ULTIMATE.start_main_~k~5 17), 13623#(<= ULTIMATE.start_main_~k~5 18), 13624#(<= ULTIMATE.start_main_~k~5 19), 13625#(<= ULTIMATE.start_main_~k~5 20), 13626#(<= ULTIMATE.start_main_~k~5 21), 13627#(<= ULTIMATE.start_main_~k~5 22), 13628#(<= ULTIMATE.start_main_~k~5 23), 13629#(<= ULTIMATE.start_main_~k~5 24), 13630#(<= ULTIMATE.start_main_~k~5 25), 13631#(<= ULTIMATE.start_main_~k~5 26), 13632#(<= ULTIMATE.start_main_~k~5 27), 13633#(<= ULTIMATE.start_main_~k~5 28), 13634#(<= ULTIMATE.start_main_~k~5 29), 13635#(<= ULTIMATE.start_main_~k~5 30), 13636#(<= ULTIMATE.start_main_~k~5 31), 13637#(<= ULTIMATE.start_main_~k~5 32), 13638#(<= ULTIMATE.start_main_~k~5 33), 13639#(<= ULTIMATE.start_main_~k~5 34), 13640#(<= ULTIMATE.start_main_~k~5 35), 13641#(<= ULTIMATE.start_main_~k~5 36), 13642#(<= ULTIMATE.start_main_~k~5 37), 13643#(<= ULTIMATE.start_main_~k~5 38), 13644#(<= ULTIMATE.start_main_~k~5 39), 13645#(<= ULTIMATE.start_main_~k~5 40), 13646#(<= ULTIMATE.start_main_~k~5 41), 13647#(<= ULTIMATE.start_main_~k~5 42), 13648#(<= ULTIMATE.start_main_~k~5 43), 13649#(<= ULTIMATE.start_main_~k~5 44), 13650#(<= ULTIMATE.start_main_~k~5 45), 13651#(<= ULTIMATE.start_main_~k~5 46), 13652#(<= ULTIMATE.start_main_~k~5 47), 13653#(<= ULTIMATE.start_main_~k~5 48), 13654#(<= ULTIMATE.start_main_~k~5 49), 13655#(<= ULTIMATE.start_main_~k~5 50), 13656#(<= ULTIMATE.start_main_~k~5 51), 13657#(<= ULTIMATE.start_main_~k~5 52), 13658#(<= ULTIMATE.start_main_~k~5 53), 13659#(<= ULTIMATE.start_main_~k~5 54), 13660#(<= ULTIMATE.start_main_~k~5 55), 13661#(<= ULTIMATE.start_main_~k~5 56), 13662#(<= ULTIMATE.start_main_~k~5 57), 13663#(<= ULTIMATE.start_main_~k~5 58), 13664#(<= ULTIMATE.start_main_~k~5 59), 13665#(<= ULTIMATE.start_main_~k~5 60), 13666#(<= ULTIMATE.start_main_~k~5 61), 13667#(<= ULTIMATE.start_main_~k~5 62), 13668#(<= ULTIMATE.start_main_~k~5 63), 13669#(<= ULTIMATE.start_main_~k~5 64), 13670#(<= ULTIMATE.start_main_~k~5 65), 13671#(<= ULTIMATE.start_main_~k~5 66), 13672#(<= ULTIMATE.start_main_~k~5 67), 13673#(<= ULTIMATE.start_main_~k~5 68), 13674#(<= ULTIMATE.start_main_~k~5 69)] [2018-07-23 13:40:49,070 INFO L134 CoverageAnalysis]: Checked inductivity of 2415 backedges. 0 proven. 2415 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2018-07-23 13:40:49,070 INFO L450 AbstractCegarLoop]: Interpolant automaton has 72 states [2018-07-23 13:40:49,071 INFO L132 InterpolantAutomaton]: Constructing interpolant automaton starting with 72 interpolants. [2018-07-23 13:40:49,072 INFO L133 InterpolantAutomaton]: CoverageRelationStatistics Valid=2556, Invalid=2556, Unknown=0, NotChecked=0, Total=5112 [2018-07-23 13:40:49,072 INFO L87 Difference]: Start difference. First operand 73 states and 73 transitions. Second operand 72 states. [2018-07-23 13:40:49,164 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2018-07-23 13:40:49,164 INFO L93 Difference]: Finished difference Result 76 states and 76 transitions. [2018-07-23 13:40:49,165 INFO L142 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 72 states. [2018-07-23 13:40:49,165 INFO L78 Accepts]: Start accepts. Automaton has 72 states. Word has length 72 [2018-07-23 13:40:49,165 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2018-07-23 13:40:49,166 INFO L225 Difference]: With dead ends: 76 [2018-07-23 13:40:49,166 INFO L226 Difference]: Without dead ends: 74 [2018-07-23 13:40:49,167 INFO L575 BasicCegarLoop]: 0 DeclaredPredicates, 71 GetRequests, 1 SyntacticMatches, 0 SemanticMatches, 70 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 0 ImplicationChecksByTransitivity, 0.2s TimeCoverageRelationStatistics Valid=2556, Invalid=2556, Unknown=0, NotChecked=0, Total=5112 [2018-07-23 13:40:49,167 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 74 states. [2018-07-23 13:40:49,169 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 74 to 74. [2018-07-23 13:40:49,169 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 74 states. [2018-07-23 13:40:49,170 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 74 states to 74 states and 74 transitions. [2018-07-23 13:40:49,170 INFO L78 Accepts]: Start accepts. Automaton has 74 states and 74 transitions. Word has length 72 [2018-07-23 13:40:49,170 INFO L84 Accepts]: Finished accepts. word is rejected. [2018-07-23 13:40:49,170 INFO L471 AbstractCegarLoop]: Abstraction has 74 states and 74 transitions. [2018-07-23 13:40:49,170 INFO L472 AbstractCegarLoop]: Interpolant automaton has 72 states. [2018-07-23 13:40:49,170 INFO L276 IsEmpty]: Start isEmpty. Operand 74 states and 74 transitions. [2018-07-23 13:40:49,171 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 74 [2018-07-23 13:40:49,171 INFO L349 BasicCegarLoop]: Found error trace [2018-07-23 13:40:49,171 INFO L357 BasicCegarLoop]: trace histogram [70, 1, 1, 1] [2018-07-23 13:40:49,171 INFO L414 AbstractCegarLoop]: === Iteration 71 === [ULTIMATE.startErr0AssertViolationASSERT]=== [2018-07-23 13:40:49,172 INFO L82 PathProgramCache]: Analyzing trace with hash 1000185825, now seen corresponding path program 70 times [2018-07-23 13:40:49,172 INFO L69 tionRefinementEngine]: Using refinement strategy FixedRefinementStrategy [2018-07-23 13:40:49,196 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-07-23 13:40:49,494 INFO L134 CoverageAnalysis]: Checked inductivity of 2485 backedges. 0 proven. 2485 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2018-07-23 13:40:49,494 INFO L309 seRefinementStrategy]: Constructing automaton from 0 perfect and 1 imperfect interpolant sequences. [2018-07-23 13:40:49,495 INFO L324 seRefinementStrategy]: Number of different interpolants: perfect sequences [] imperfect sequences [72] total 72 [2018-07-23 13:40:49,495 INFO L142 lantAutomatonBuilder]: Constructing canonical interpolant automaton, with selfloop in false state [2018-07-23 13:40:49,495 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2018-07-23 13:40:49,495 INFO L185 omatonBuilderFactory]: Interpolants [13975#true, 13976#false, 13977#(<= ULTIMATE.start_main_~k~5 0), 13978#(<= ULTIMATE.start_main_~k~5 1), 13979#(<= ULTIMATE.start_main_~k~5 2), 13980#(<= ULTIMATE.start_main_~k~5 3), 13981#(<= ULTIMATE.start_main_~k~5 4), 13982#(<= ULTIMATE.start_main_~k~5 5), 13983#(<= ULTIMATE.start_main_~k~5 6), 13984#(<= ULTIMATE.start_main_~k~5 7), 13985#(<= ULTIMATE.start_main_~k~5 8), 13986#(<= ULTIMATE.start_main_~k~5 9), 13987#(<= ULTIMATE.start_main_~k~5 10), 13988#(<= ULTIMATE.start_main_~k~5 11), 13989#(<= ULTIMATE.start_main_~k~5 12), 13990#(<= ULTIMATE.start_main_~k~5 13), 13991#(<= ULTIMATE.start_main_~k~5 14), 13992#(<= ULTIMATE.start_main_~k~5 15), 13993#(<= ULTIMATE.start_main_~k~5 16), 13994#(<= ULTIMATE.start_main_~k~5 17), 13995#(<= ULTIMATE.start_main_~k~5 18), 13996#(<= ULTIMATE.start_main_~k~5 19), 13997#(<= ULTIMATE.start_main_~k~5 20), 13998#(<= ULTIMATE.start_main_~k~5 21), 13999#(<= ULTIMATE.start_main_~k~5 22), 14000#(<= ULTIMATE.start_main_~k~5 23), 14001#(<= ULTIMATE.start_main_~k~5 24), 14002#(<= ULTIMATE.start_main_~k~5 25), 14003#(<= ULTIMATE.start_main_~k~5 26), 14004#(<= ULTIMATE.start_main_~k~5 27), 14005#(<= ULTIMATE.start_main_~k~5 28), 14006#(<= ULTIMATE.start_main_~k~5 29), 14007#(<= ULTIMATE.start_main_~k~5 30), 14008#(<= ULTIMATE.start_main_~k~5 31), 14009#(<= ULTIMATE.start_main_~k~5 32), 14010#(<= ULTIMATE.start_main_~k~5 33), 14011#(<= ULTIMATE.start_main_~k~5 34), 14012#(<= ULTIMATE.start_main_~k~5 35), 14013#(<= ULTIMATE.start_main_~k~5 36), 14014#(<= ULTIMATE.start_main_~k~5 37), 14015#(<= ULTIMATE.start_main_~k~5 38), 14016#(<= ULTIMATE.start_main_~k~5 39), 14017#(<= ULTIMATE.start_main_~k~5 40), 14018#(<= ULTIMATE.start_main_~k~5 41), 14019#(<= ULTIMATE.start_main_~k~5 42), 14020#(<= ULTIMATE.start_main_~k~5 43), 14021#(<= ULTIMATE.start_main_~k~5 44), 14022#(<= ULTIMATE.start_main_~k~5 45), 14023#(<= ULTIMATE.start_main_~k~5 46), 14024#(<= ULTIMATE.start_main_~k~5 47), 14025#(<= ULTIMATE.start_main_~k~5 48), 14026#(<= ULTIMATE.start_main_~k~5 49), 14027#(<= ULTIMATE.start_main_~k~5 50), 14028#(<= ULTIMATE.start_main_~k~5 51), 14029#(<= ULTIMATE.start_main_~k~5 52), 14030#(<= ULTIMATE.start_main_~k~5 53), 14031#(<= ULTIMATE.start_main_~k~5 54), 14032#(<= ULTIMATE.start_main_~k~5 55), 14033#(<= ULTIMATE.start_main_~k~5 56), 14034#(<= ULTIMATE.start_main_~k~5 57), 14035#(<= ULTIMATE.start_main_~k~5 58), 14036#(<= ULTIMATE.start_main_~k~5 59), 14037#(<= ULTIMATE.start_main_~k~5 60), 14038#(<= ULTIMATE.start_main_~k~5 61), 14039#(<= ULTIMATE.start_main_~k~5 62), 14040#(<= ULTIMATE.start_main_~k~5 63), 14041#(<= ULTIMATE.start_main_~k~5 64), 14042#(<= ULTIMATE.start_main_~k~5 65), 14043#(<= ULTIMATE.start_main_~k~5 66), 14044#(<= ULTIMATE.start_main_~k~5 67), 14045#(<= ULTIMATE.start_main_~k~5 68), 14046#(<= ULTIMATE.start_main_~k~5 69), 14047#(<= ULTIMATE.start_main_~k~5 70)] [2018-07-23 13:40:49,496 INFO L134 CoverageAnalysis]: Checked inductivity of 2485 backedges. 0 proven. 2485 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2018-07-23 13:40:49,496 INFO L450 AbstractCegarLoop]: Interpolant automaton has 73 states [2018-07-23 13:40:49,497 INFO L132 InterpolantAutomaton]: Constructing interpolant automaton starting with 73 interpolants. [2018-07-23 13:40:49,498 INFO L133 InterpolantAutomaton]: CoverageRelationStatistics Valid=2628, Invalid=2628, Unknown=0, NotChecked=0, Total=5256 [2018-07-23 13:40:49,498 INFO L87 Difference]: Start difference. First operand 74 states and 74 transitions. Second operand 73 states. [2018-07-23 13:40:49,567 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2018-07-23 13:40:49,568 INFO L93 Difference]: Finished difference Result 77 states and 77 transitions. [2018-07-23 13:40:49,568 INFO L142 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 73 states. [2018-07-23 13:40:49,568 INFO L78 Accepts]: Start accepts. Automaton has 73 states. Word has length 73 [2018-07-23 13:40:49,568 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2018-07-23 13:40:49,569 INFO L225 Difference]: With dead ends: 77 [2018-07-23 13:40:49,569 INFO L226 Difference]: Without dead ends: 75 [2018-07-23 13:40:49,570 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 13:40:49,570 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 75 states. [2018-07-23 13:40:49,572 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 75 to 75. [2018-07-23 13:40:49,572 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 75 states. [2018-07-23 13:40:49,573 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 75 states to 75 states and 75 transitions. [2018-07-23 13:40:49,573 INFO L78 Accepts]: Start accepts. Automaton has 75 states and 75 transitions. Word has length 73 [2018-07-23 13:40:49,573 INFO L84 Accepts]: Finished accepts. word is rejected. [2018-07-23 13:40:49,573 INFO L471 AbstractCegarLoop]: Abstraction has 75 states and 75 transitions. [2018-07-23 13:40:49,573 INFO L472 AbstractCegarLoop]: Interpolant automaton has 73 states. [2018-07-23 13:40:49,573 INFO L276 IsEmpty]: Start isEmpty. Operand 75 states and 75 transitions. [2018-07-23 13:40:49,574 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 75 [2018-07-23 13:40:49,574 INFO L349 BasicCegarLoop]: Found error trace [2018-07-23 13:40:49,574 INFO L357 BasicCegarLoop]: trace histogram [71, 1, 1, 1] [2018-07-23 13:40:49,574 INFO L414 AbstractCegarLoop]: === Iteration 72 === [ULTIMATE.startErr0AssertViolationASSERT]=== [2018-07-23 13:40:49,574 INFO L82 PathProgramCache]: Analyzing trace with hash 940987528, now seen corresponding path program 71 times [2018-07-23 13:40:49,575 INFO L69 tionRefinementEngine]: Using refinement strategy FixedRefinementStrategy [2018-07-23 13:40:49,600 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-07-23 13:40:49,955 INFO L134 CoverageAnalysis]: Checked inductivity of 2556 backedges. 0 proven. 2556 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2018-07-23 13:40:49,955 INFO L309 seRefinementStrategy]: Constructing automaton from 0 perfect and 1 imperfect interpolant sequences. [2018-07-23 13:40:49,956 INFO L324 seRefinementStrategy]: Number of different interpolants: perfect sequences [] imperfect sequences [73] total 73 [2018-07-23 13:40:49,956 INFO L142 lantAutomatonBuilder]: Constructing canonical interpolant automaton, with selfloop in false state [2018-07-23 13:40:49,956 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2018-07-23 13:40:49,956 INFO L185 omatonBuilderFactory]: Interpolants [14352#true, 14353#false, 14354#(<= ULTIMATE.start_main_~k~5 0), 14355#(<= ULTIMATE.start_main_~k~5 1), 14356#(<= ULTIMATE.start_main_~k~5 2), 14357#(<= ULTIMATE.start_main_~k~5 3), 14358#(<= ULTIMATE.start_main_~k~5 4), 14359#(<= ULTIMATE.start_main_~k~5 5), 14360#(<= ULTIMATE.start_main_~k~5 6), 14361#(<= ULTIMATE.start_main_~k~5 7), 14362#(<= ULTIMATE.start_main_~k~5 8), 14363#(<= ULTIMATE.start_main_~k~5 9), 14364#(<= ULTIMATE.start_main_~k~5 10), 14365#(<= ULTIMATE.start_main_~k~5 11), 14366#(<= ULTIMATE.start_main_~k~5 12), 14367#(<= ULTIMATE.start_main_~k~5 13), 14368#(<= ULTIMATE.start_main_~k~5 14), 14369#(<= ULTIMATE.start_main_~k~5 15), 14370#(<= ULTIMATE.start_main_~k~5 16), 14371#(<= ULTIMATE.start_main_~k~5 17), 14372#(<= ULTIMATE.start_main_~k~5 18), 14373#(<= ULTIMATE.start_main_~k~5 19), 14374#(<= ULTIMATE.start_main_~k~5 20), 14375#(<= ULTIMATE.start_main_~k~5 21), 14376#(<= ULTIMATE.start_main_~k~5 22), 14377#(<= ULTIMATE.start_main_~k~5 23), 14378#(<= ULTIMATE.start_main_~k~5 24), 14379#(<= ULTIMATE.start_main_~k~5 25), 14380#(<= ULTIMATE.start_main_~k~5 26), 14381#(<= ULTIMATE.start_main_~k~5 27), 14382#(<= ULTIMATE.start_main_~k~5 28), 14383#(<= ULTIMATE.start_main_~k~5 29), 14384#(<= ULTIMATE.start_main_~k~5 30), 14385#(<= ULTIMATE.start_main_~k~5 31), 14386#(<= ULTIMATE.start_main_~k~5 32), 14387#(<= ULTIMATE.start_main_~k~5 33), 14388#(<= ULTIMATE.start_main_~k~5 34), 14389#(<= ULTIMATE.start_main_~k~5 35), 14390#(<= ULTIMATE.start_main_~k~5 36), 14391#(<= ULTIMATE.start_main_~k~5 37), 14392#(<= ULTIMATE.start_main_~k~5 38), 14393#(<= ULTIMATE.start_main_~k~5 39), 14394#(<= ULTIMATE.start_main_~k~5 40), 14395#(<= ULTIMATE.start_main_~k~5 41), 14396#(<= ULTIMATE.start_main_~k~5 42), 14397#(<= ULTIMATE.start_main_~k~5 43), 14398#(<= ULTIMATE.start_main_~k~5 44), 14399#(<= ULTIMATE.start_main_~k~5 45), 14400#(<= ULTIMATE.start_main_~k~5 46), 14401#(<= ULTIMATE.start_main_~k~5 47), 14402#(<= ULTIMATE.start_main_~k~5 48), 14403#(<= ULTIMATE.start_main_~k~5 49), 14404#(<= ULTIMATE.start_main_~k~5 50), 14405#(<= ULTIMATE.start_main_~k~5 51), 14406#(<= ULTIMATE.start_main_~k~5 52), 14407#(<= ULTIMATE.start_main_~k~5 53), 14408#(<= ULTIMATE.start_main_~k~5 54), 14409#(<= ULTIMATE.start_main_~k~5 55), 14410#(<= ULTIMATE.start_main_~k~5 56), 14411#(<= ULTIMATE.start_main_~k~5 57), 14412#(<= ULTIMATE.start_main_~k~5 58), 14413#(<= ULTIMATE.start_main_~k~5 59), 14414#(<= ULTIMATE.start_main_~k~5 60), 14415#(<= ULTIMATE.start_main_~k~5 61), 14416#(<= ULTIMATE.start_main_~k~5 62), 14417#(<= ULTIMATE.start_main_~k~5 63), 14418#(<= ULTIMATE.start_main_~k~5 64), 14419#(<= ULTIMATE.start_main_~k~5 65), 14420#(<= ULTIMATE.start_main_~k~5 66), 14421#(<= ULTIMATE.start_main_~k~5 67), 14422#(<= ULTIMATE.start_main_~k~5 68), 14423#(<= ULTIMATE.start_main_~k~5 69), 14424#(<= ULTIMATE.start_main_~k~5 70), 14425#(<= ULTIMATE.start_main_~k~5 71)] [2018-07-23 13:40:49,957 INFO L134 CoverageAnalysis]: Checked inductivity of 2556 backedges. 0 proven. 2556 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2018-07-23 13:40:49,958 INFO L450 AbstractCegarLoop]: Interpolant automaton has 74 states [2018-07-23 13:40:49,959 INFO L132 InterpolantAutomaton]: Constructing interpolant automaton starting with 74 interpolants. [2018-07-23 13:40:49,959 INFO L133 InterpolantAutomaton]: CoverageRelationStatistics Valid=2701, Invalid=2701, Unknown=0, NotChecked=0, Total=5402 [2018-07-23 13:40:49,960 INFO L87 Difference]: Start difference. First operand 75 states and 75 transitions. Second operand 74 states. [2018-07-23 13:40:50,034 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2018-07-23 13:40:50,034 INFO L93 Difference]: Finished difference Result 78 states and 78 transitions. [2018-07-23 13:40:50,034 INFO L142 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 74 states. [2018-07-23 13:40:50,034 INFO L78 Accepts]: Start accepts. Automaton has 74 states. Word has length 74 [2018-07-23 13:40:50,035 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2018-07-23 13:40:50,035 INFO L225 Difference]: With dead ends: 78 [2018-07-23 13:40:50,035 INFO L226 Difference]: Without dead ends: 76 [2018-07-23 13:40:50,036 INFO L575 BasicCegarLoop]: 0 DeclaredPredicates, 73 GetRequests, 1 SyntacticMatches, 0 SemanticMatches, 72 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 0 ImplicationChecksByTransitivity, 0.3s TimeCoverageRelationStatistics Valid=2701, Invalid=2701, Unknown=0, NotChecked=0, Total=5402 [2018-07-23 13:40:50,036 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 76 states. [2018-07-23 13:40:50,039 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 76 to 76. [2018-07-23 13:40:50,039 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 76 states. [2018-07-23 13:40:50,039 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 76 states to 76 states and 76 transitions. [2018-07-23 13:40:50,039 INFO L78 Accepts]: Start accepts. Automaton has 76 states and 76 transitions. Word has length 74 [2018-07-23 13:40:50,039 INFO L84 Accepts]: Finished accepts. word is rejected. [2018-07-23 13:40:50,040 INFO L471 AbstractCegarLoop]: Abstraction has 76 states and 76 transitions. [2018-07-23 13:40:50,040 INFO L472 AbstractCegarLoop]: Interpolant automaton has 74 states. [2018-07-23 13:40:50,040 INFO L276 IsEmpty]: Start isEmpty. Operand 76 states and 76 transitions. [2018-07-23 13:40:50,040 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 76 [2018-07-23 13:40:50,040 INFO L349 BasicCegarLoop]: Found error trace [2018-07-23 13:40:50,041 INFO L357 BasicCegarLoop]: trace histogram [72, 1, 1, 1] [2018-07-23 13:40:50,041 INFO L414 AbstractCegarLoop]: === Iteration 73 === [ULTIMATE.startErr0AssertViolationASSERT]=== [2018-07-23 13:40:50,041 INFO L82 PathProgramCache]: Analyzing trace with hash -894159679, now seen corresponding path program 72 times [2018-07-23 13:40:50,041 INFO L69 tionRefinementEngine]: Using refinement strategy FixedRefinementStrategy [2018-07-23 13:40:50,064 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-07-23 13:40:50,350 INFO L134 CoverageAnalysis]: Checked inductivity of 2628 backedges. 0 proven. 2628 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2018-07-23 13:40:50,351 INFO L309 seRefinementStrategy]: Constructing automaton from 0 perfect and 1 imperfect interpolant sequences. [2018-07-23 13:40:50,351 INFO L324 seRefinementStrategy]: Number of different interpolants: perfect sequences [] imperfect sequences [74] total 74 [2018-07-23 13:40:50,351 INFO L142 lantAutomatonBuilder]: Constructing canonical interpolant automaton, with selfloop in false state [2018-07-23 13:40:50,351 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2018-07-23 13:40:50,352 INFO L185 omatonBuilderFactory]: Interpolants [14734#true, 14735#false, 14736#(<= ULTIMATE.start_main_~k~5 0), 14737#(<= ULTIMATE.start_main_~k~5 1), 14738#(<= ULTIMATE.start_main_~k~5 2), 14739#(<= ULTIMATE.start_main_~k~5 3), 14740#(<= ULTIMATE.start_main_~k~5 4), 14741#(<= ULTIMATE.start_main_~k~5 5), 14742#(<= ULTIMATE.start_main_~k~5 6), 14743#(<= ULTIMATE.start_main_~k~5 7), 14744#(<= ULTIMATE.start_main_~k~5 8), 14745#(<= ULTIMATE.start_main_~k~5 9), 14746#(<= ULTIMATE.start_main_~k~5 10), 14747#(<= ULTIMATE.start_main_~k~5 11), 14748#(<= ULTIMATE.start_main_~k~5 12), 14749#(<= ULTIMATE.start_main_~k~5 13), 14750#(<= ULTIMATE.start_main_~k~5 14), 14751#(<= ULTIMATE.start_main_~k~5 15), 14752#(<= ULTIMATE.start_main_~k~5 16), 14753#(<= ULTIMATE.start_main_~k~5 17), 14754#(<= ULTIMATE.start_main_~k~5 18), 14755#(<= ULTIMATE.start_main_~k~5 19), 14756#(<= ULTIMATE.start_main_~k~5 20), 14757#(<= ULTIMATE.start_main_~k~5 21), 14758#(<= ULTIMATE.start_main_~k~5 22), 14759#(<= ULTIMATE.start_main_~k~5 23), 14760#(<= ULTIMATE.start_main_~k~5 24), 14761#(<= ULTIMATE.start_main_~k~5 25), 14762#(<= ULTIMATE.start_main_~k~5 26), 14763#(<= ULTIMATE.start_main_~k~5 27), 14764#(<= ULTIMATE.start_main_~k~5 28), 14765#(<= ULTIMATE.start_main_~k~5 29), 14766#(<= ULTIMATE.start_main_~k~5 30), 14767#(<= ULTIMATE.start_main_~k~5 31), 14768#(<= ULTIMATE.start_main_~k~5 32), 14769#(<= ULTIMATE.start_main_~k~5 33), 14770#(<= ULTIMATE.start_main_~k~5 34), 14771#(<= ULTIMATE.start_main_~k~5 35), 14772#(<= ULTIMATE.start_main_~k~5 36), 14773#(<= ULTIMATE.start_main_~k~5 37), 14774#(<= ULTIMATE.start_main_~k~5 38), 14775#(<= ULTIMATE.start_main_~k~5 39), 14776#(<= ULTIMATE.start_main_~k~5 40), 14777#(<= ULTIMATE.start_main_~k~5 41), 14778#(<= ULTIMATE.start_main_~k~5 42), 14779#(<= ULTIMATE.start_main_~k~5 43), 14780#(<= ULTIMATE.start_main_~k~5 44), 14781#(<= ULTIMATE.start_main_~k~5 45), 14782#(<= ULTIMATE.start_main_~k~5 46), 14783#(<= ULTIMATE.start_main_~k~5 47), 14784#(<= ULTIMATE.start_main_~k~5 48), 14785#(<= ULTIMATE.start_main_~k~5 49), 14786#(<= ULTIMATE.start_main_~k~5 50), 14787#(<= ULTIMATE.start_main_~k~5 51), 14788#(<= ULTIMATE.start_main_~k~5 52), 14789#(<= ULTIMATE.start_main_~k~5 53), 14790#(<= ULTIMATE.start_main_~k~5 54), 14791#(<= ULTIMATE.start_main_~k~5 55), 14792#(<= ULTIMATE.start_main_~k~5 56), 14793#(<= ULTIMATE.start_main_~k~5 57), 14794#(<= ULTIMATE.start_main_~k~5 58), 14795#(<= ULTIMATE.start_main_~k~5 59), 14796#(<= ULTIMATE.start_main_~k~5 60), 14797#(<= ULTIMATE.start_main_~k~5 61), 14798#(<= ULTIMATE.start_main_~k~5 62), 14799#(<= ULTIMATE.start_main_~k~5 63), 14800#(<= ULTIMATE.start_main_~k~5 64), 14801#(<= ULTIMATE.start_main_~k~5 65), 14802#(<= ULTIMATE.start_main_~k~5 66), 14803#(<= ULTIMATE.start_main_~k~5 67), 14804#(<= ULTIMATE.start_main_~k~5 68), 14805#(<= ULTIMATE.start_main_~k~5 69), 14806#(<= ULTIMATE.start_main_~k~5 70), 14807#(<= ULTIMATE.start_main_~k~5 71), 14808#(<= ULTIMATE.start_main_~k~5 72)] [2018-07-23 13:40:50,352 INFO L134 CoverageAnalysis]: Checked inductivity of 2628 backedges. 0 proven. 2628 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2018-07-23 13:40:50,352 INFO L450 AbstractCegarLoop]: Interpolant automaton has 75 states [2018-07-23 13:40:50,353 INFO L132 InterpolantAutomaton]: Constructing interpolant automaton starting with 75 interpolants. [2018-07-23 13:40:50,354 INFO L133 InterpolantAutomaton]: CoverageRelationStatistics Valid=2775, Invalid=2775, Unknown=0, NotChecked=0, Total=5550 [2018-07-23 13:40:50,354 INFO L87 Difference]: Start difference. First operand 76 states and 76 transitions. Second operand 75 states. [2018-07-23 13:40:50,432 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2018-07-23 13:40:50,433 INFO L93 Difference]: Finished difference Result 79 states and 79 transitions. [2018-07-23 13:40:50,433 INFO L142 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 75 states. [2018-07-23 13:40:50,433 INFO L78 Accepts]: Start accepts. Automaton has 75 states. Word has length 75 [2018-07-23 13:40:50,433 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2018-07-23 13:40:50,434 INFO L225 Difference]: With dead ends: 79 [2018-07-23 13:40:50,434 INFO L226 Difference]: Without dead ends: 77 [2018-07-23 13:40:50,435 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 13:40:50,435 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 77 states. [2018-07-23 13:40:50,437 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 77 to 77. [2018-07-23 13:40:50,437 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 77 states. [2018-07-23 13:40:50,438 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 77 states to 77 states and 77 transitions. [2018-07-23 13:40:50,438 INFO L78 Accepts]: Start accepts. Automaton has 77 states and 77 transitions. Word has length 75 [2018-07-23 13:40:50,438 INFO L84 Accepts]: Finished accepts. word is rejected. [2018-07-23 13:40:50,438 INFO L471 AbstractCegarLoop]: Abstraction has 77 states and 77 transitions. [2018-07-23 13:40:50,438 INFO L472 AbstractCegarLoop]: Interpolant automaton has 75 states. [2018-07-23 13:40:50,438 INFO L276 IsEmpty]: Start isEmpty. Operand 77 states and 77 transitions. [2018-07-23 13:40:50,439 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 77 [2018-07-23 13:40:50,439 INFO L349 BasicCegarLoop]: Found error trace [2018-07-23 13:40:50,439 INFO L357 BasicCegarLoop]: trace histogram [73, 1, 1, 1] [2018-07-23 13:40:50,439 INFO L414 AbstractCegarLoop]: === Iteration 74 === [ULTIMATE.startErr0AssertViolationASSERT]=== [2018-07-23 13:40:50,440 INFO L82 PathProgramCache]: Analyzing trace with hash -1949148248, now seen corresponding path program 73 times [2018-07-23 13:40:50,440 INFO L69 tionRefinementEngine]: Using refinement strategy FixedRefinementStrategy [2018-07-23 13:40:50,464 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-07-23 13:40:50,753 INFO L134 CoverageAnalysis]: Checked inductivity of 2701 backedges. 0 proven. 2701 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2018-07-23 13:40:50,753 INFO L309 seRefinementStrategy]: Constructing automaton from 0 perfect and 1 imperfect interpolant sequences. [2018-07-23 13:40:50,753 INFO L324 seRefinementStrategy]: Number of different interpolants: perfect sequences [] imperfect sequences [75] total 75 [2018-07-23 13:40:50,754 INFO L142 lantAutomatonBuilder]: Constructing canonical interpolant automaton, with selfloop in false state [2018-07-23 13:40:50,754 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2018-07-23 13:40:50,754 INFO L185 omatonBuilderFactory]: Interpolants [15121#true, 15122#false, 15123#(<= ULTIMATE.start_main_~k~5 0), 15124#(<= ULTIMATE.start_main_~k~5 1), 15125#(<= ULTIMATE.start_main_~k~5 2), 15126#(<= ULTIMATE.start_main_~k~5 3), 15127#(<= ULTIMATE.start_main_~k~5 4), 15128#(<= ULTIMATE.start_main_~k~5 5), 15129#(<= ULTIMATE.start_main_~k~5 6), 15130#(<= ULTIMATE.start_main_~k~5 7), 15131#(<= ULTIMATE.start_main_~k~5 8), 15132#(<= ULTIMATE.start_main_~k~5 9), 15133#(<= ULTIMATE.start_main_~k~5 10), 15134#(<= ULTIMATE.start_main_~k~5 11), 15135#(<= ULTIMATE.start_main_~k~5 12), 15136#(<= ULTIMATE.start_main_~k~5 13), 15137#(<= ULTIMATE.start_main_~k~5 14), 15138#(<= ULTIMATE.start_main_~k~5 15), 15139#(<= ULTIMATE.start_main_~k~5 16), 15140#(<= ULTIMATE.start_main_~k~5 17), 15141#(<= ULTIMATE.start_main_~k~5 18), 15142#(<= ULTIMATE.start_main_~k~5 19), 15143#(<= ULTIMATE.start_main_~k~5 20), 15144#(<= ULTIMATE.start_main_~k~5 21), 15145#(<= ULTIMATE.start_main_~k~5 22), 15146#(<= ULTIMATE.start_main_~k~5 23), 15147#(<= ULTIMATE.start_main_~k~5 24), 15148#(<= ULTIMATE.start_main_~k~5 25), 15149#(<= ULTIMATE.start_main_~k~5 26), 15150#(<= ULTIMATE.start_main_~k~5 27), 15151#(<= ULTIMATE.start_main_~k~5 28), 15152#(<= ULTIMATE.start_main_~k~5 29), 15153#(<= ULTIMATE.start_main_~k~5 30), 15154#(<= ULTIMATE.start_main_~k~5 31), 15155#(<= ULTIMATE.start_main_~k~5 32), 15156#(<= ULTIMATE.start_main_~k~5 33), 15157#(<= ULTIMATE.start_main_~k~5 34), 15158#(<= ULTIMATE.start_main_~k~5 35), 15159#(<= ULTIMATE.start_main_~k~5 36), 15160#(<= ULTIMATE.start_main_~k~5 37), 15161#(<= ULTIMATE.start_main_~k~5 38), 15162#(<= ULTIMATE.start_main_~k~5 39), 15163#(<= ULTIMATE.start_main_~k~5 40), 15164#(<= ULTIMATE.start_main_~k~5 41), 15165#(<= ULTIMATE.start_main_~k~5 42), 15166#(<= ULTIMATE.start_main_~k~5 43), 15167#(<= ULTIMATE.start_main_~k~5 44), 15168#(<= ULTIMATE.start_main_~k~5 45), 15169#(<= ULTIMATE.start_main_~k~5 46), 15170#(<= ULTIMATE.start_main_~k~5 47), 15171#(<= ULTIMATE.start_main_~k~5 48), 15172#(<= ULTIMATE.start_main_~k~5 49), 15173#(<= ULTIMATE.start_main_~k~5 50), 15174#(<= ULTIMATE.start_main_~k~5 51), 15175#(<= ULTIMATE.start_main_~k~5 52), 15176#(<= ULTIMATE.start_main_~k~5 53), 15177#(<= ULTIMATE.start_main_~k~5 54), 15178#(<= ULTIMATE.start_main_~k~5 55), 15179#(<= ULTIMATE.start_main_~k~5 56), 15180#(<= ULTIMATE.start_main_~k~5 57), 15181#(<= ULTIMATE.start_main_~k~5 58), 15182#(<= ULTIMATE.start_main_~k~5 59), 15183#(<= ULTIMATE.start_main_~k~5 60), 15184#(<= ULTIMATE.start_main_~k~5 61), 15185#(<= ULTIMATE.start_main_~k~5 62), 15186#(<= ULTIMATE.start_main_~k~5 63), 15187#(<= ULTIMATE.start_main_~k~5 64), 15188#(<= ULTIMATE.start_main_~k~5 65), 15189#(<= ULTIMATE.start_main_~k~5 66), 15190#(<= ULTIMATE.start_main_~k~5 67), 15191#(<= ULTIMATE.start_main_~k~5 68), 15192#(<= ULTIMATE.start_main_~k~5 69), 15193#(<= ULTIMATE.start_main_~k~5 70), 15194#(<= ULTIMATE.start_main_~k~5 71), 15195#(<= ULTIMATE.start_main_~k~5 72), 15196#(<= ULTIMATE.start_main_~k~5 73)] [2018-07-23 13:40:50,755 INFO L134 CoverageAnalysis]: Checked inductivity of 2701 backedges. 0 proven. 2701 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2018-07-23 13:40:50,755 INFO L450 AbstractCegarLoop]: Interpolant automaton has 76 states [2018-07-23 13:40:50,756 INFO L132 InterpolantAutomaton]: Constructing interpolant automaton starting with 76 interpolants. [2018-07-23 13:40:50,757 INFO L133 InterpolantAutomaton]: CoverageRelationStatistics Valid=2850, Invalid=2850, Unknown=0, NotChecked=0, Total=5700 [2018-07-23 13:40:50,757 INFO L87 Difference]: Start difference. First operand 77 states and 77 transitions. Second operand 76 states. [2018-07-23 13:40:50,833 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2018-07-23 13:40:50,833 INFO L93 Difference]: Finished difference Result 80 states and 80 transitions. [2018-07-23 13:40:50,834 INFO L142 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 76 states. [2018-07-23 13:40:50,834 INFO L78 Accepts]: Start accepts. Automaton has 76 states. Word has length 76 [2018-07-23 13:40:50,834 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2018-07-23 13:40:50,835 INFO L225 Difference]: With dead ends: 80 [2018-07-23 13:40:50,835 INFO L226 Difference]: Without dead ends: 78 [2018-07-23 13:40:50,836 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 13:40:50,836 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 78 states. [2018-07-23 13:40:50,838 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 78 to 78. [2018-07-23 13:40:50,838 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 78 states. [2018-07-23 13:40:50,839 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 78 states to 78 states and 78 transitions. [2018-07-23 13:40:50,839 INFO L78 Accepts]: Start accepts. Automaton has 78 states and 78 transitions. Word has length 76 [2018-07-23 13:40:50,839 INFO L84 Accepts]: Finished accepts. word is rejected. [2018-07-23 13:40:50,839 INFO L471 AbstractCegarLoop]: Abstraction has 78 states and 78 transitions. [2018-07-23 13:40:50,839 INFO L472 AbstractCegarLoop]: Interpolant automaton has 76 states. [2018-07-23 13:40:50,839 INFO L276 IsEmpty]: Start isEmpty. Operand 78 states and 78 transitions. [2018-07-23 13:40:50,840 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 78 [2018-07-23 13:40:50,840 INFO L349 BasicCegarLoop]: Found error trace [2018-07-23 13:40:50,840 INFO L357 BasicCegarLoop]: trace histogram [74, 1, 1, 1] [2018-07-23 13:40:50,841 INFO L414 AbstractCegarLoop]: === Iteration 75 === [ULTIMATE.startErr0AssertViolationASSERT]=== [2018-07-23 13:40:50,841 INFO L82 PathProgramCache]: Analyzing trace with hash -294055519, now seen corresponding path program 74 times [2018-07-23 13:40:50,841 INFO L69 tionRefinementEngine]: Using refinement strategy FixedRefinementStrategy [2018-07-23 13:40:50,864 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-07-23 13:40:51,157 INFO L134 CoverageAnalysis]: Checked inductivity of 2775 backedges. 0 proven. 2775 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2018-07-23 13:40:51,157 INFO L309 seRefinementStrategy]: Constructing automaton from 0 perfect and 1 imperfect interpolant sequences. [2018-07-23 13:40:51,157 INFO L324 seRefinementStrategy]: Number of different interpolants: perfect sequences [] imperfect sequences [76] total 76 [2018-07-23 13:40:51,157 INFO L142 lantAutomatonBuilder]: Constructing canonical interpolant automaton, with selfloop in false state [2018-07-23 13:40:51,158 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2018-07-23 13:40:51,158 INFO L185 omatonBuilderFactory]: Interpolants [15513#true, 15514#false, 15515#(<= ULTIMATE.start_main_~k~5 0), 15516#(<= ULTIMATE.start_main_~k~5 1), 15517#(<= ULTIMATE.start_main_~k~5 2), 15518#(<= ULTIMATE.start_main_~k~5 3), 15519#(<= ULTIMATE.start_main_~k~5 4), 15520#(<= ULTIMATE.start_main_~k~5 5), 15521#(<= ULTIMATE.start_main_~k~5 6), 15522#(<= ULTIMATE.start_main_~k~5 7), 15523#(<= ULTIMATE.start_main_~k~5 8), 15524#(<= ULTIMATE.start_main_~k~5 9), 15525#(<= ULTIMATE.start_main_~k~5 10), 15526#(<= ULTIMATE.start_main_~k~5 11), 15527#(<= ULTIMATE.start_main_~k~5 12), 15528#(<= ULTIMATE.start_main_~k~5 13), 15529#(<= ULTIMATE.start_main_~k~5 14), 15530#(<= ULTIMATE.start_main_~k~5 15), 15531#(<= ULTIMATE.start_main_~k~5 16), 15532#(<= ULTIMATE.start_main_~k~5 17), 15533#(<= ULTIMATE.start_main_~k~5 18), 15534#(<= ULTIMATE.start_main_~k~5 19), 15535#(<= ULTIMATE.start_main_~k~5 20), 15536#(<= ULTIMATE.start_main_~k~5 21), 15537#(<= ULTIMATE.start_main_~k~5 22), 15538#(<= ULTIMATE.start_main_~k~5 23), 15539#(<= ULTIMATE.start_main_~k~5 24), 15540#(<= ULTIMATE.start_main_~k~5 25), 15541#(<= ULTIMATE.start_main_~k~5 26), 15542#(<= ULTIMATE.start_main_~k~5 27), 15543#(<= ULTIMATE.start_main_~k~5 28), 15544#(<= ULTIMATE.start_main_~k~5 29), 15545#(<= ULTIMATE.start_main_~k~5 30), 15546#(<= ULTIMATE.start_main_~k~5 31), 15547#(<= ULTIMATE.start_main_~k~5 32), 15548#(<= ULTIMATE.start_main_~k~5 33), 15549#(<= ULTIMATE.start_main_~k~5 34), 15550#(<= ULTIMATE.start_main_~k~5 35), 15551#(<= ULTIMATE.start_main_~k~5 36), 15552#(<= ULTIMATE.start_main_~k~5 37), 15553#(<= ULTIMATE.start_main_~k~5 38), 15554#(<= ULTIMATE.start_main_~k~5 39), 15555#(<= ULTIMATE.start_main_~k~5 40), 15556#(<= ULTIMATE.start_main_~k~5 41), 15557#(<= ULTIMATE.start_main_~k~5 42), 15558#(<= ULTIMATE.start_main_~k~5 43), 15559#(<= ULTIMATE.start_main_~k~5 44), 15560#(<= ULTIMATE.start_main_~k~5 45), 15561#(<= ULTIMATE.start_main_~k~5 46), 15562#(<= ULTIMATE.start_main_~k~5 47), 15563#(<= ULTIMATE.start_main_~k~5 48), 15564#(<= ULTIMATE.start_main_~k~5 49), 15565#(<= ULTIMATE.start_main_~k~5 50), 15566#(<= ULTIMATE.start_main_~k~5 51), 15567#(<= ULTIMATE.start_main_~k~5 52), 15568#(<= ULTIMATE.start_main_~k~5 53), 15569#(<= ULTIMATE.start_main_~k~5 54), 15570#(<= ULTIMATE.start_main_~k~5 55), 15571#(<= ULTIMATE.start_main_~k~5 56), 15572#(<= ULTIMATE.start_main_~k~5 57), 15573#(<= ULTIMATE.start_main_~k~5 58), 15574#(<= ULTIMATE.start_main_~k~5 59), 15575#(<= ULTIMATE.start_main_~k~5 60), 15576#(<= ULTIMATE.start_main_~k~5 61), 15577#(<= ULTIMATE.start_main_~k~5 62), 15578#(<= ULTIMATE.start_main_~k~5 63), 15579#(<= ULTIMATE.start_main_~k~5 64), 15580#(<= ULTIMATE.start_main_~k~5 65), 15581#(<= ULTIMATE.start_main_~k~5 66), 15582#(<= ULTIMATE.start_main_~k~5 67), 15583#(<= ULTIMATE.start_main_~k~5 68), 15584#(<= ULTIMATE.start_main_~k~5 69), 15585#(<= ULTIMATE.start_main_~k~5 70), 15586#(<= ULTIMATE.start_main_~k~5 71), 15587#(<= ULTIMATE.start_main_~k~5 72), 15588#(<= ULTIMATE.start_main_~k~5 73), 15589#(<= ULTIMATE.start_main_~k~5 74)] [2018-07-23 13:40:51,159 INFO L134 CoverageAnalysis]: Checked inductivity of 2775 backedges. 0 proven. 2775 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2018-07-23 13:40:51,159 INFO L450 AbstractCegarLoop]: Interpolant automaton has 77 states [2018-07-23 13:40:51,160 INFO L132 InterpolantAutomaton]: Constructing interpolant automaton starting with 77 interpolants. [2018-07-23 13:40:51,161 INFO L133 InterpolantAutomaton]: CoverageRelationStatistics Valid=2926, Invalid=2926, Unknown=0, NotChecked=0, Total=5852 [2018-07-23 13:40:51,161 INFO L87 Difference]: Start difference. First operand 78 states and 78 transitions. Second operand 77 states. [2018-07-23 13:40:51,246 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2018-07-23 13:40:51,246 INFO L93 Difference]: Finished difference Result 81 states and 81 transitions. [2018-07-23 13:40:51,247 INFO L142 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 77 states. [2018-07-23 13:40:51,247 INFO L78 Accepts]: Start accepts. Automaton has 77 states. Word has length 77 [2018-07-23 13:40:51,247 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2018-07-23 13:40:51,248 INFO L225 Difference]: With dead ends: 81 [2018-07-23 13:40:51,248 INFO L226 Difference]: Without dead ends: 79 [2018-07-23 13:40:51,249 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 13:40:51,249 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 79 states. [2018-07-23 13:40:51,252 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 79 to 79. [2018-07-23 13:40:51,252 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 79 states. [2018-07-23 13:40:51,252 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 79 states to 79 states and 79 transitions. [2018-07-23 13:40:51,253 INFO L78 Accepts]: Start accepts. Automaton has 79 states and 79 transitions. Word has length 77 [2018-07-23 13:40:51,253 INFO L84 Accepts]: Finished accepts. word is rejected. [2018-07-23 13:40:51,253 INFO L471 AbstractCegarLoop]: Abstraction has 79 states and 79 transitions. [2018-07-23 13:40:51,253 INFO L472 AbstractCegarLoop]: Interpolant automaton has 77 states. [2018-07-23 13:40:51,253 INFO L276 IsEmpty]: Start isEmpty. Operand 79 states and 79 transitions. [2018-07-23 13:40:51,254 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 79 [2018-07-23 13:40:51,254 INFO L349 BasicCegarLoop]: Found error trace [2018-07-23 13:40:51,254 INFO L357 BasicCegarLoop]: trace histogram [75, 1, 1, 1] [2018-07-23 13:40:51,254 INFO L414 AbstractCegarLoop]: === Iteration 76 === [ULTIMATE.startErr0AssertViolationASSERT]=== [2018-07-23 13:40:51,255 INFO L82 PathProgramCache]: Analyzing trace with hash -525788472, now seen corresponding path program 75 times [2018-07-23 13:40:51,255 INFO L69 tionRefinementEngine]: Using refinement strategy FixedRefinementStrategy [2018-07-23 13:40:51,282 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-07-23 13:40:51,580 INFO L134 CoverageAnalysis]: Checked inductivity of 2850 backedges. 0 proven. 2850 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2018-07-23 13:40:51,580 INFO L309 seRefinementStrategy]: Constructing automaton from 0 perfect and 1 imperfect interpolant sequences. [2018-07-23 13:40:51,580 INFO L324 seRefinementStrategy]: Number of different interpolants: perfect sequences [] imperfect sequences [77] total 77 [2018-07-23 13:40:51,581 INFO L142 lantAutomatonBuilder]: Constructing canonical interpolant automaton, with selfloop in false state [2018-07-23 13:40:51,581 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2018-07-23 13:40:51,581 INFO L185 omatonBuilderFactory]: Interpolants [15910#true, 15911#false, 15912#(<= ULTIMATE.start_main_~k~5 0), 15913#(<= ULTIMATE.start_main_~k~5 1), 15914#(<= ULTIMATE.start_main_~k~5 2), 15915#(<= ULTIMATE.start_main_~k~5 3), 15916#(<= ULTIMATE.start_main_~k~5 4), 15917#(<= ULTIMATE.start_main_~k~5 5), 15918#(<= ULTIMATE.start_main_~k~5 6), 15919#(<= ULTIMATE.start_main_~k~5 7), 15920#(<= ULTIMATE.start_main_~k~5 8), 15921#(<= ULTIMATE.start_main_~k~5 9), 15922#(<= ULTIMATE.start_main_~k~5 10), 15923#(<= ULTIMATE.start_main_~k~5 11), 15924#(<= ULTIMATE.start_main_~k~5 12), 15925#(<= ULTIMATE.start_main_~k~5 13), 15926#(<= ULTIMATE.start_main_~k~5 14), 15927#(<= ULTIMATE.start_main_~k~5 15), 15928#(<= ULTIMATE.start_main_~k~5 16), 15929#(<= ULTIMATE.start_main_~k~5 17), 15930#(<= ULTIMATE.start_main_~k~5 18), 15931#(<= ULTIMATE.start_main_~k~5 19), 15932#(<= ULTIMATE.start_main_~k~5 20), 15933#(<= ULTIMATE.start_main_~k~5 21), 15934#(<= ULTIMATE.start_main_~k~5 22), 15935#(<= ULTIMATE.start_main_~k~5 23), 15936#(<= ULTIMATE.start_main_~k~5 24), 15937#(<= ULTIMATE.start_main_~k~5 25), 15938#(<= ULTIMATE.start_main_~k~5 26), 15939#(<= ULTIMATE.start_main_~k~5 27), 15940#(<= ULTIMATE.start_main_~k~5 28), 15941#(<= ULTIMATE.start_main_~k~5 29), 15942#(<= ULTIMATE.start_main_~k~5 30), 15943#(<= ULTIMATE.start_main_~k~5 31), 15944#(<= ULTIMATE.start_main_~k~5 32), 15945#(<= ULTIMATE.start_main_~k~5 33), 15946#(<= ULTIMATE.start_main_~k~5 34), 15947#(<= ULTIMATE.start_main_~k~5 35), 15948#(<= ULTIMATE.start_main_~k~5 36), 15949#(<= ULTIMATE.start_main_~k~5 37), 15950#(<= ULTIMATE.start_main_~k~5 38), 15951#(<= ULTIMATE.start_main_~k~5 39), 15952#(<= ULTIMATE.start_main_~k~5 40), 15953#(<= ULTIMATE.start_main_~k~5 41), 15954#(<= ULTIMATE.start_main_~k~5 42), 15955#(<= ULTIMATE.start_main_~k~5 43), 15956#(<= ULTIMATE.start_main_~k~5 44), 15957#(<= ULTIMATE.start_main_~k~5 45), 15958#(<= ULTIMATE.start_main_~k~5 46), 15959#(<= ULTIMATE.start_main_~k~5 47), 15960#(<= ULTIMATE.start_main_~k~5 48), 15961#(<= ULTIMATE.start_main_~k~5 49), 15962#(<= ULTIMATE.start_main_~k~5 50), 15963#(<= ULTIMATE.start_main_~k~5 51), 15964#(<= ULTIMATE.start_main_~k~5 52), 15965#(<= ULTIMATE.start_main_~k~5 53), 15966#(<= ULTIMATE.start_main_~k~5 54), 15967#(<= ULTIMATE.start_main_~k~5 55), 15968#(<= ULTIMATE.start_main_~k~5 56), 15969#(<= ULTIMATE.start_main_~k~5 57), 15970#(<= ULTIMATE.start_main_~k~5 58), 15971#(<= ULTIMATE.start_main_~k~5 59), 15972#(<= ULTIMATE.start_main_~k~5 60), 15973#(<= ULTIMATE.start_main_~k~5 61), 15974#(<= ULTIMATE.start_main_~k~5 62), 15975#(<= ULTIMATE.start_main_~k~5 63), 15976#(<= ULTIMATE.start_main_~k~5 64), 15977#(<= ULTIMATE.start_main_~k~5 65), 15978#(<= ULTIMATE.start_main_~k~5 66), 15979#(<= ULTIMATE.start_main_~k~5 67), 15980#(<= ULTIMATE.start_main_~k~5 68), 15981#(<= ULTIMATE.start_main_~k~5 69), 15982#(<= ULTIMATE.start_main_~k~5 70), 15983#(<= ULTIMATE.start_main_~k~5 71), 15984#(<= ULTIMATE.start_main_~k~5 72), 15985#(<= ULTIMATE.start_main_~k~5 73), 15986#(<= ULTIMATE.start_main_~k~5 74), 15987#(<= ULTIMATE.start_main_~k~5 75)] [2018-07-23 13:40:51,582 INFO L134 CoverageAnalysis]: Checked inductivity of 2850 backedges. 0 proven. 2850 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2018-07-23 13:40:51,582 INFO L450 AbstractCegarLoop]: Interpolant automaton has 78 states [2018-07-23 13:40:51,583 INFO L132 InterpolantAutomaton]: Constructing interpolant automaton starting with 78 interpolants. [2018-07-23 13:40:51,583 INFO L133 InterpolantAutomaton]: CoverageRelationStatistics Valid=3003, Invalid=3003, Unknown=0, NotChecked=0, Total=6006 [2018-07-23 13:40:51,584 INFO L87 Difference]: Start difference. First operand 79 states and 79 transitions. Second operand 78 states. [2018-07-23 13:40:51,658 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2018-07-23 13:40:51,658 INFO L93 Difference]: Finished difference Result 82 states and 82 transitions. [2018-07-23 13:40:51,659 INFO L142 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 78 states. [2018-07-23 13:40:51,659 INFO L78 Accepts]: Start accepts. Automaton has 78 states. Word has length 78 [2018-07-23 13:40:51,659 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2018-07-23 13:40:51,659 INFO L225 Difference]: With dead ends: 82 [2018-07-23 13:40:51,660 INFO L226 Difference]: Without dead ends: 80 [2018-07-23 13:40:51,661 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 13:40:51,661 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 80 states. [2018-07-23 13:40:51,663 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 80 to 80. [2018-07-23 13:40:51,663 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 80 states. [2018-07-23 13:40:51,664 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 80 states to 80 states and 80 transitions. [2018-07-23 13:40:51,664 INFO L78 Accepts]: Start accepts. Automaton has 80 states and 80 transitions. Word has length 78 [2018-07-23 13:40:51,664 INFO L84 Accepts]: Finished accepts. word is rejected. [2018-07-23 13:40:51,664 INFO L471 AbstractCegarLoop]: Abstraction has 80 states and 80 transitions. [2018-07-23 13:40:51,664 INFO L472 AbstractCegarLoop]: Interpolant automaton has 78 states. [2018-07-23 13:40:51,664 INFO L276 IsEmpty]: Start isEmpty. Operand 80 states and 80 transitions. [2018-07-23 13:40:51,665 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 80 [2018-07-23 13:40:51,665 INFO L349 BasicCegarLoop]: Found error trace [2018-07-23 13:40:51,665 INFO L357 BasicCegarLoop]: trace histogram [76, 1, 1, 1] [2018-07-23 13:40:51,665 INFO L414 AbstractCegarLoop]: === Iteration 77 === [ULTIMATE.startErr0AssertViolationASSERT]=== [2018-07-23 13:40:51,665 INFO L82 PathProgramCache]: Analyzing trace with hash 880424577, now seen corresponding path program 76 times [2018-07-23 13:40:51,666 INFO L69 tionRefinementEngine]: Using refinement strategy FixedRefinementStrategy [2018-07-23 13:40:51,691 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-07-23 13:40:51,999 INFO L134 CoverageAnalysis]: Checked inductivity of 2926 backedges. 0 proven. 2926 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2018-07-23 13:40:52,000 INFO L309 seRefinementStrategy]: Constructing automaton from 0 perfect and 1 imperfect interpolant sequences. [2018-07-23 13:40:52,000 INFO L324 seRefinementStrategy]: Number of different interpolants: perfect sequences [] imperfect sequences [78] total 78 [2018-07-23 13:40:52,000 INFO L142 lantAutomatonBuilder]: Constructing canonical interpolant automaton, with selfloop in false state [2018-07-23 13:40:52,001 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2018-07-23 13:40:52,001 INFO L185 omatonBuilderFactory]: Interpolants [16384#(<= ULTIMATE.start_main_~k~5 70), 16385#(<= ULTIMATE.start_main_~k~5 71), 16386#(<= ULTIMATE.start_main_~k~5 72), 16387#(<= ULTIMATE.start_main_~k~5 73), 16388#(<= ULTIMATE.start_main_~k~5 74), 16389#(<= ULTIMATE.start_main_~k~5 75), 16390#(<= ULTIMATE.start_main_~k~5 76), 16312#true, 16313#false, 16314#(<= ULTIMATE.start_main_~k~5 0), 16315#(<= ULTIMATE.start_main_~k~5 1), 16316#(<= ULTIMATE.start_main_~k~5 2), 16317#(<= ULTIMATE.start_main_~k~5 3), 16318#(<= ULTIMATE.start_main_~k~5 4), 16319#(<= ULTIMATE.start_main_~k~5 5), 16320#(<= ULTIMATE.start_main_~k~5 6), 16321#(<= ULTIMATE.start_main_~k~5 7), 16322#(<= ULTIMATE.start_main_~k~5 8), 16323#(<= ULTIMATE.start_main_~k~5 9), 16324#(<= ULTIMATE.start_main_~k~5 10), 16325#(<= ULTIMATE.start_main_~k~5 11), 16326#(<= ULTIMATE.start_main_~k~5 12), 16327#(<= ULTIMATE.start_main_~k~5 13), 16328#(<= ULTIMATE.start_main_~k~5 14), 16329#(<= ULTIMATE.start_main_~k~5 15), 16330#(<= ULTIMATE.start_main_~k~5 16), 16331#(<= ULTIMATE.start_main_~k~5 17), 16332#(<= ULTIMATE.start_main_~k~5 18), 16333#(<= ULTIMATE.start_main_~k~5 19), 16334#(<= ULTIMATE.start_main_~k~5 20), 16335#(<= ULTIMATE.start_main_~k~5 21), 16336#(<= ULTIMATE.start_main_~k~5 22), 16337#(<= ULTIMATE.start_main_~k~5 23), 16338#(<= ULTIMATE.start_main_~k~5 24), 16339#(<= ULTIMATE.start_main_~k~5 25), 16340#(<= ULTIMATE.start_main_~k~5 26), 16341#(<= ULTIMATE.start_main_~k~5 27), 16342#(<= ULTIMATE.start_main_~k~5 28), 16343#(<= ULTIMATE.start_main_~k~5 29), 16344#(<= ULTIMATE.start_main_~k~5 30), 16345#(<= ULTIMATE.start_main_~k~5 31), 16346#(<= ULTIMATE.start_main_~k~5 32), 16347#(<= ULTIMATE.start_main_~k~5 33), 16348#(<= ULTIMATE.start_main_~k~5 34), 16349#(<= ULTIMATE.start_main_~k~5 35), 16350#(<= ULTIMATE.start_main_~k~5 36), 16351#(<= ULTIMATE.start_main_~k~5 37), 16352#(<= ULTIMATE.start_main_~k~5 38), 16353#(<= ULTIMATE.start_main_~k~5 39), 16354#(<= ULTIMATE.start_main_~k~5 40), 16355#(<= ULTIMATE.start_main_~k~5 41), 16356#(<= ULTIMATE.start_main_~k~5 42), 16357#(<= ULTIMATE.start_main_~k~5 43), 16358#(<= ULTIMATE.start_main_~k~5 44), 16359#(<= ULTIMATE.start_main_~k~5 45), 16360#(<= ULTIMATE.start_main_~k~5 46), 16361#(<= ULTIMATE.start_main_~k~5 47), 16362#(<= ULTIMATE.start_main_~k~5 48), 16363#(<= ULTIMATE.start_main_~k~5 49), 16364#(<= ULTIMATE.start_main_~k~5 50), 16365#(<= ULTIMATE.start_main_~k~5 51), 16366#(<= ULTIMATE.start_main_~k~5 52), 16367#(<= ULTIMATE.start_main_~k~5 53), 16368#(<= ULTIMATE.start_main_~k~5 54), 16369#(<= ULTIMATE.start_main_~k~5 55), 16370#(<= ULTIMATE.start_main_~k~5 56), 16371#(<= ULTIMATE.start_main_~k~5 57), 16372#(<= ULTIMATE.start_main_~k~5 58), 16373#(<= ULTIMATE.start_main_~k~5 59), 16374#(<= ULTIMATE.start_main_~k~5 60), 16375#(<= ULTIMATE.start_main_~k~5 61), 16376#(<= ULTIMATE.start_main_~k~5 62), 16377#(<= ULTIMATE.start_main_~k~5 63), 16378#(<= ULTIMATE.start_main_~k~5 64), 16379#(<= ULTIMATE.start_main_~k~5 65), 16380#(<= ULTIMATE.start_main_~k~5 66), 16381#(<= ULTIMATE.start_main_~k~5 67), 16382#(<= ULTIMATE.start_main_~k~5 68), 16383#(<= ULTIMATE.start_main_~k~5 69)] [2018-07-23 13:40:52,002 INFO L134 CoverageAnalysis]: Checked inductivity of 2926 backedges. 0 proven. 2926 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2018-07-23 13:40:52,002 INFO L450 AbstractCegarLoop]: Interpolant automaton has 79 states [2018-07-23 13:40:52,003 INFO L132 InterpolantAutomaton]: Constructing interpolant automaton starting with 79 interpolants. [2018-07-23 13:40:52,003 INFO L133 InterpolantAutomaton]: CoverageRelationStatistics Valid=3081, Invalid=3081, Unknown=0, NotChecked=0, Total=6162 [2018-07-23 13:40:52,003 INFO L87 Difference]: Start difference. First operand 80 states and 80 transitions. Second operand 79 states. [2018-07-23 13:40:52,073 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2018-07-23 13:40:52,073 INFO L93 Difference]: Finished difference Result 83 states and 83 transitions. [2018-07-23 13:40:52,073 INFO L142 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 79 states. [2018-07-23 13:40:52,074 INFO L78 Accepts]: Start accepts. Automaton has 79 states. Word has length 79 [2018-07-23 13:40:52,074 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2018-07-23 13:40:52,074 INFO L225 Difference]: With dead ends: 83 [2018-07-23 13:40:52,074 INFO L226 Difference]: Without dead ends: 81 [2018-07-23 13:40:52,075 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 13:40:52,076 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 81 states. [2018-07-23 13:40:52,079 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 81 to 81. [2018-07-23 13:40:52,079 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 81 states. [2018-07-23 13:40:52,079 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 81 states to 81 states and 81 transitions. [2018-07-23 13:40:52,080 INFO L78 Accepts]: Start accepts. Automaton has 81 states and 81 transitions. Word has length 79 [2018-07-23 13:40:52,080 INFO L84 Accepts]: Finished accepts. word is rejected. [2018-07-23 13:40:52,080 INFO L471 AbstractCegarLoop]: Abstraction has 81 states and 81 transitions. [2018-07-23 13:40:52,080 INFO L472 AbstractCegarLoop]: Interpolant automaton has 79 states. [2018-07-23 13:40:52,080 INFO L276 IsEmpty]: Start isEmpty. Operand 81 states and 81 transitions. [2018-07-23 13:40:52,081 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 81 [2018-07-23 13:40:52,081 INFO L349 BasicCegarLoop]: Found error trace [2018-07-23 13:40:52,081 INFO L357 BasicCegarLoop]: trace histogram [77, 1, 1, 1] [2018-07-23 13:40:52,081 INFO L414 AbstractCegarLoop]: === Iteration 78 === [ULTIMATE.startErr0AssertViolationASSERT]=== [2018-07-23 13:40:52,082 INFO L82 PathProgramCache]: Analyzing trace with hash 1523356136, now seen corresponding path program 77 times [2018-07-23 13:40:52,082 INFO L69 tionRefinementEngine]: Using refinement strategy FixedRefinementStrategy [2018-07-23 13:40:52,110 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-07-23 13:40:52,415 INFO L134 CoverageAnalysis]: Checked inductivity of 3003 backedges. 0 proven. 3003 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2018-07-23 13:40:52,416 INFO L309 seRefinementStrategy]: Constructing automaton from 0 perfect and 1 imperfect interpolant sequences. [2018-07-23 13:40:52,416 INFO L324 seRefinementStrategy]: Number of different interpolants: perfect sequences [] imperfect sequences [79] total 79 [2018-07-23 13:40:52,416 INFO L142 lantAutomatonBuilder]: Constructing canonical interpolant automaton, with selfloop in false state [2018-07-23 13:40:52,417 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 13:40:52,417 INFO L185 omatonBuilderFactory]: Interpolants [16768#(<= ULTIMATE.start_main_~k~5 47), 16769#(<= ULTIMATE.start_main_~k~5 48), 16770#(<= ULTIMATE.start_main_~k~5 49), 16771#(<= ULTIMATE.start_main_~k~5 50), 16772#(<= ULTIMATE.start_main_~k~5 51), 16773#(<= ULTIMATE.start_main_~k~5 52), 16774#(<= ULTIMATE.start_main_~k~5 53), 16775#(<= ULTIMATE.start_main_~k~5 54), 16776#(<= ULTIMATE.start_main_~k~5 55), 16777#(<= ULTIMATE.start_main_~k~5 56), 16778#(<= ULTIMATE.start_main_~k~5 57), 16779#(<= ULTIMATE.start_main_~k~5 58), 16780#(<= ULTIMATE.start_main_~k~5 59), 16781#(<= ULTIMATE.start_main_~k~5 60), 16782#(<= ULTIMATE.start_main_~k~5 61), 16783#(<= ULTIMATE.start_main_~k~5 62), 16784#(<= ULTIMATE.start_main_~k~5 63), 16785#(<= ULTIMATE.start_main_~k~5 64), 16786#(<= ULTIMATE.start_main_~k~5 65), 16787#(<= ULTIMATE.start_main_~k~5 66), 16788#(<= ULTIMATE.start_main_~k~5 67), 16789#(<= ULTIMATE.start_main_~k~5 68), 16790#(<= ULTIMATE.start_main_~k~5 69), 16791#(<= ULTIMATE.start_main_~k~5 70), 16792#(<= ULTIMATE.start_main_~k~5 71), 16793#(<= ULTIMATE.start_main_~k~5 72), 16794#(<= ULTIMATE.start_main_~k~5 73), 16795#(<= ULTIMATE.start_main_~k~5 74), 16796#(<= ULTIMATE.start_main_~k~5 75), 16797#(<= ULTIMATE.start_main_~k~5 76), 16798#(<= ULTIMATE.start_main_~k~5 77), 16719#true, 16720#false, 16721#(<= ULTIMATE.start_main_~k~5 0), 16722#(<= ULTIMATE.start_main_~k~5 1), 16723#(<= ULTIMATE.start_main_~k~5 2), 16724#(<= ULTIMATE.start_main_~k~5 3), 16725#(<= ULTIMATE.start_main_~k~5 4), 16726#(<= ULTIMATE.start_main_~k~5 5), 16727#(<= ULTIMATE.start_main_~k~5 6), 16728#(<= ULTIMATE.start_main_~k~5 7), 16729#(<= ULTIMATE.start_main_~k~5 8), 16730#(<= ULTIMATE.start_main_~k~5 9), 16731#(<= ULTIMATE.start_main_~k~5 10), 16732#(<= ULTIMATE.start_main_~k~5 11), 16733#(<= ULTIMATE.start_main_~k~5 12), 16734#(<= ULTIMATE.start_main_~k~5 13), 16735#(<= ULTIMATE.start_main_~k~5 14), 16736#(<= ULTIMATE.start_main_~k~5 15), 16737#(<= ULTIMATE.start_main_~k~5 16), 16738#(<= ULTIMATE.start_main_~k~5 17), 16739#(<= ULTIMATE.start_main_~k~5 18), 16740#(<= ULTIMATE.start_main_~k~5 19), 16741#(<= ULTIMATE.start_main_~k~5 20), 16742#(<= ULTIMATE.start_main_~k~5 21), 16743#(<= ULTIMATE.start_main_~k~5 22), 16744#(<= ULTIMATE.start_main_~k~5 23), 16745#(<= ULTIMATE.start_main_~k~5 24), 16746#(<= ULTIMATE.start_main_~k~5 25), 16747#(<= ULTIMATE.start_main_~k~5 26), 16748#(<= ULTIMATE.start_main_~k~5 27), 16749#(<= ULTIMATE.start_main_~k~5 28), 16750#(<= ULTIMATE.start_main_~k~5 29), 16751#(<= ULTIMATE.start_main_~k~5 30), 16752#(<= ULTIMATE.start_main_~k~5 31), 16753#(<= ULTIMATE.start_main_~k~5 32), 16754#(<= ULTIMATE.start_main_~k~5 33), 16755#(<= ULTIMATE.start_main_~k~5 34), 16756#(<= ULTIMATE.start_main_~k~5 35), 16757#(<= ULTIMATE.start_main_~k~5 36), 16758#(<= ULTIMATE.start_main_~k~5 37), 16759#(<= ULTIMATE.start_main_~k~5 38), 16760#(<= ULTIMATE.start_main_~k~5 39), 16761#(<= ULTIMATE.start_main_~k~5 40), 16762#(<= ULTIMATE.start_main_~k~5 41), 16763#(<= ULTIMATE.start_main_~k~5 42), 16764#(<= ULTIMATE.start_main_~k~5 43), 16765#(<= ULTIMATE.start_main_~k~5 44), 16766#(<= ULTIMATE.start_main_~k~5 45), 16767#(<= ULTIMATE.start_main_~k~5 46)] [2018-07-23 13:40:52,418 INFO L134 CoverageAnalysis]: Checked inductivity of 3003 backedges. 0 proven. 3003 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2018-07-23 13:40:52,418 INFO L450 AbstractCegarLoop]: Interpolant automaton has 80 states [2018-07-23 13:40:52,419 INFO L132 InterpolantAutomaton]: Constructing interpolant automaton starting with 80 interpolants. [2018-07-23 13:40:52,420 INFO L133 InterpolantAutomaton]: CoverageRelationStatistics Valid=3160, Invalid=3160, Unknown=0, NotChecked=0, Total=6320 [2018-07-23 13:40:52,421 INFO L87 Difference]: Start difference. First operand 81 states and 81 transitions. Second operand 80 states. [2018-07-23 13:40:52,478 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2018-07-23 13:40:52,479 INFO L93 Difference]: Finished difference Result 84 states and 84 transitions. [2018-07-23 13:40:52,479 INFO L142 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 80 states. [2018-07-23 13:40:52,479 INFO L78 Accepts]: Start accepts. Automaton has 80 states. Word has length 80 [2018-07-23 13:40:52,479 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2018-07-23 13:40:52,480 INFO L225 Difference]: With dead ends: 84 [2018-07-23 13:40:52,480 INFO L226 Difference]: Without dead ends: 82 [2018-07-23 13:40:52,481 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 13:40:52,481 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 82 states. [2018-07-23 13:40:52,484 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 82 to 82. [2018-07-23 13:40:52,484 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 82 states. [2018-07-23 13:40:52,485 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 82 states to 82 states and 82 transitions. [2018-07-23 13:40:52,485 INFO L78 Accepts]: Start accepts. Automaton has 82 states and 82 transitions. Word has length 80 [2018-07-23 13:40:52,485 INFO L84 Accepts]: Finished accepts. word is rejected. [2018-07-23 13:40:52,485 INFO L471 AbstractCegarLoop]: Abstraction has 82 states and 82 transitions. [2018-07-23 13:40:52,485 INFO L472 AbstractCegarLoop]: Interpolant automaton has 80 states. [2018-07-23 13:40:52,485 INFO L276 IsEmpty]: Start isEmpty. Operand 82 states and 82 transitions. [2018-07-23 13:40:52,486 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 82 [2018-07-23 13:40:52,486 INFO L349 BasicCegarLoop]: Found error trace [2018-07-23 13:40:52,487 INFO L357 BasicCegarLoop]: trace histogram [78, 1, 1, 1] [2018-07-23 13:40:52,487 INFO L414 AbstractCegarLoop]: === Iteration 79 === [ULTIMATE.startErr0AssertViolationASSERT]=== [2018-07-23 13:40:52,487 INFO L82 PathProgramCache]: Analyzing trace with hash -20602015, now seen corresponding path program 78 times [2018-07-23 13:40:52,487 INFO L69 tionRefinementEngine]: Using refinement strategy FixedRefinementStrategy [2018-07-23 13:40:52,524 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-07-23 13:40:52,926 INFO L134 CoverageAnalysis]: Checked inductivity of 3081 backedges. 0 proven. 3081 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2018-07-23 13:40:52,926 INFO L309 seRefinementStrategy]: Constructing automaton from 0 perfect and 1 imperfect interpolant sequences. [2018-07-23 13:40:52,926 INFO L324 seRefinementStrategy]: Number of different interpolants: perfect sequences [] imperfect sequences [80] total 80 [2018-07-23 13:40:52,927 INFO L142 lantAutomatonBuilder]: Constructing canonical interpolant automaton, with selfloop in false state [2018-07-23 13:40:52,927 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2018-07-23 13:40:52,927 INFO L185 omatonBuilderFactory]: Interpolants [17152#(<= ULTIMATE.start_main_~k~5 19), 17153#(<= ULTIMATE.start_main_~k~5 20), 17154#(<= ULTIMATE.start_main_~k~5 21), 17155#(<= ULTIMATE.start_main_~k~5 22), 17156#(<= ULTIMATE.start_main_~k~5 23), 17157#(<= ULTIMATE.start_main_~k~5 24), 17158#(<= ULTIMATE.start_main_~k~5 25), 17159#(<= ULTIMATE.start_main_~k~5 26), 17160#(<= ULTIMATE.start_main_~k~5 27), 17161#(<= ULTIMATE.start_main_~k~5 28), 17162#(<= ULTIMATE.start_main_~k~5 29), 17163#(<= ULTIMATE.start_main_~k~5 30), 17164#(<= ULTIMATE.start_main_~k~5 31), 17165#(<= ULTIMATE.start_main_~k~5 32), 17166#(<= ULTIMATE.start_main_~k~5 33), 17167#(<= ULTIMATE.start_main_~k~5 34), 17168#(<= ULTIMATE.start_main_~k~5 35), 17169#(<= ULTIMATE.start_main_~k~5 36), 17170#(<= ULTIMATE.start_main_~k~5 37), 17171#(<= ULTIMATE.start_main_~k~5 38), 17172#(<= ULTIMATE.start_main_~k~5 39), 17173#(<= ULTIMATE.start_main_~k~5 40), 17174#(<= ULTIMATE.start_main_~k~5 41), 17175#(<= ULTIMATE.start_main_~k~5 42), 17176#(<= ULTIMATE.start_main_~k~5 43), 17177#(<= ULTIMATE.start_main_~k~5 44), 17178#(<= ULTIMATE.start_main_~k~5 45), 17179#(<= ULTIMATE.start_main_~k~5 46), 17180#(<= ULTIMATE.start_main_~k~5 47), 17181#(<= ULTIMATE.start_main_~k~5 48), 17182#(<= ULTIMATE.start_main_~k~5 49), 17183#(<= ULTIMATE.start_main_~k~5 50), 17184#(<= ULTIMATE.start_main_~k~5 51), 17185#(<= ULTIMATE.start_main_~k~5 52), 17186#(<= ULTIMATE.start_main_~k~5 53), 17187#(<= ULTIMATE.start_main_~k~5 54), 17188#(<= ULTIMATE.start_main_~k~5 55), 17189#(<= ULTIMATE.start_main_~k~5 56), 17190#(<= ULTIMATE.start_main_~k~5 57), 17191#(<= ULTIMATE.start_main_~k~5 58), 17192#(<= ULTIMATE.start_main_~k~5 59), 17193#(<= ULTIMATE.start_main_~k~5 60), 17194#(<= ULTIMATE.start_main_~k~5 61), 17195#(<= ULTIMATE.start_main_~k~5 62), 17196#(<= ULTIMATE.start_main_~k~5 63), 17197#(<= ULTIMATE.start_main_~k~5 64), 17198#(<= ULTIMATE.start_main_~k~5 65), 17199#(<= ULTIMATE.start_main_~k~5 66), 17200#(<= ULTIMATE.start_main_~k~5 67), 17201#(<= ULTIMATE.start_main_~k~5 68), 17202#(<= ULTIMATE.start_main_~k~5 69), 17203#(<= ULTIMATE.start_main_~k~5 70), 17204#(<= ULTIMATE.start_main_~k~5 71), 17205#(<= ULTIMATE.start_main_~k~5 72), 17206#(<= ULTIMATE.start_main_~k~5 73), 17207#(<= ULTIMATE.start_main_~k~5 74), 17208#(<= ULTIMATE.start_main_~k~5 75), 17209#(<= ULTIMATE.start_main_~k~5 76), 17210#(<= ULTIMATE.start_main_~k~5 77), 17211#(<= ULTIMATE.start_main_~k~5 78), 17131#true, 17132#false, 17133#(<= ULTIMATE.start_main_~k~5 0), 17134#(<= ULTIMATE.start_main_~k~5 1), 17135#(<= ULTIMATE.start_main_~k~5 2), 17136#(<= ULTIMATE.start_main_~k~5 3), 17137#(<= ULTIMATE.start_main_~k~5 4), 17138#(<= ULTIMATE.start_main_~k~5 5), 17139#(<= ULTIMATE.start_main_~k~5 6), 17140#(<= ULTIMATE.start_main_~k~5 7), 17141#(<= ULTIMATE.start_main_~k~5 8), 17142#(<= ULTIMATE.start_main_~k~5 9), 17143#(<= ULTIMATE.start_main_~k~5 10), 17144#(<= ULTIMATE.start_main_~k~5 11), 17145#(<= ULTIMATE.start_main_~k~5 12), 17146#(<= ULTIMATE.start_main_~k~5 13), 17147#(<= ULTIMATE.start_main_~k~5 14), 17148#(<= ULTIMATE.start_main_~k~5 15), 17149#(<= ULTIMATE.start_main_~k~5 16), 17150#(<= ULTIMATE.start_main_~k~5 17), 17151#(<= ULTIMATE.start_main_~k~5 18)] [2018-07-23 13:40:52,928 INFO L134 CoverageAnalysis]: Checked inductivity of 3081 backedges. 0 proven. 3081 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2018-07-23 13:40:52,928 INFO L450 AbstractCegarLoop]: Interpolant automaton has 81 states [2018-07-23 13:40:52,930 INFO L132 InterpolantAutomaton]: Constructing interpolant automaton starting with 81 interpolants. [2018-07-23 13:40:52,931 INFO L133 InterpolantAutomaton]: CoverageRelationStatistics Valid=3240, Invalid=3240, Unknown=0, NotChecked=0, Total=6480 [2018-07-23 13:40:52,931 INFO L87 Difference]: Start difference. First operand 82 states and 82 transitions. Second operand 81 states. [2018-07-23 13:40:53,019 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2018-07-23 13:40:53,019 INFO L93 Difference]: Finished difference Result 85 states and 85 transitions. [2018-07-23 13:40:53,019 INFO L142 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 81 states. [2018-07-23 13:40:53,019 INFO L78 Accepts]: Start accepts. Automaton has 81 states. Word has length 81 [2018-07-23 13:40:53,020 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2018-07-23 13:40:53,020 INFO L225 Difference]: With dead ends: 85 [2018-07-23 13:40:53,020 INFO L226 Difference]: Without dead ends: 83 [2018-07-23 13:40:53,022 INFO L575 BasicCegarLoop]: 0 DeclaredPredicates, 80 GetRequests, 1 SyntacticMatches, 0 SemanticMatches, 79 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 0 ImplicationChecksByTransitivity, 0.3s TimeCoverageRelationStatistics Valid=3240, Invalid=3240, Unknown=0, NotChecked=0, Total=6480 [2018-07-23 13:40:53,022 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 83 states. [2018-07-23 13:40:53,025 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 83 to 83. [2018-07-23 13:40:53,025 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 83 states. [2018-07-23 13:40:53,026 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 83 states to 83 states and 83 transitions. [2018-07-23 13:40:53,026 INFO L78 Accepts]: Start accepts. Automaton has 83 states and 83 transitions. Word has length 81 [2018-07-23 13:40:53,026 INFO L84 Accepts]: Finished accepts. word is rejected. [2018-07-23 13:40:53,026 INFO L471 AbstractCegarLoop]: Abstraction has 83 states and 83 transitions. [2018-07-23 13:40:53,026 INFO L472 AbstractCegarLoop]: Interpolant automaton has 81 states. [2018-07-23 13:40:53,027 INFO L276 IsEmpty]: Start isEmpty. Operand 83 states and 83 transitions. [2018-07-23 13:40:53,027 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 83 [2018-07-23 13:40:53,028 INFO L349 BasicCegarLoop]: Found error trace [2018-07-23 13:40:53,028 INFO L357 BasicCegarLoop]: trace histogram [79, 1, 1, 1] [2018-07-23 13:40:53,028 INFO L414 AbstractCegarLoop]: === Iteration 80 === [ULTIMATE.startErr0AssertViolationASSERT]=== [2018-07-23 13:40:53,028 INFO L82 PathProgramCache]: Analyzing trace with hash -638664440, now seen corresponding path program 79 times [2018-07-23 13:40:53,028 INFO L69 tionRefinementEngine]: Using refinement strategy FixedRefinementStrategy [2018-07-23 13:40:53,067 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-07-23 13:40:53,466 INFO L134 CoverageAnalysis]: Checked inductivity of 3160 backedges. 0 proven. 3160 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2018-07-23 13:40:53,467 INFO L309 seRefinementStrategy]: Constructing automaton from 0 perfect and 1 imperfect interpolant sequences. [2018-07-23 13:40:53,467 INFO L324 seRefinementStrategy]: Number of different interpolants: perfect sequences [] imperfect sequences [81] total 81 [2018-07-23 13:40:53,467 INFO L142 lantAutomatonBuilder]: Constructing canonical interpolant automaton, with selfloop in false state [2018-07-23 13:40:53,467 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2018-07-23 13:40:53,468 INFO L185 omatonBuilderFactory]: Interpolants [17548#true, 17549#false, 17550#(<= ULTIMATE.start_main_~k~5 0), 17551#(<= ULTIMATE.start_main_~k~5 1), 17552#(<= ULTIMATE.start_main_~k~5 2), 17553#(<= ULTIMATE.start_main_~k~5 3), 17554#(<= ULTIMATE.start_main_~k~5 4), 17555#(<= ULTIMATE.start_main_~k~5 5), 17556#(<= ULTIMATE.start_main_~k~5 6), 17557#(<= ULTIMATE.start_main_~k~5 7), 17558#(<= ULTIMATE.start_main_~k~5 8), 17559#(<= ULTIMATE.start_main_~k~5 9), 17560#(<= ULTIMATE.start_main_~k~5 10), 17561#(<= ULTIMATE.start_main_~k~5 11), 17562#(<= ULTIMATE.start_main_~k~5 12), 17563#(<= ULTIMATE.start_main_~k~5 13), 17564#(<= ULTIMATE.start_main_~k~5 14), 17565#(<= ULTIMATE.start_main_~k~5 15), 17566#(<= ULTIMATE.start_main_~k~5 16), 17567#(<= ULTIMATE.start_main_~k~5 17), 17568#(<= ULTIMATE.start_main_~k~5 18), 17569#(<= ULTIMATE.start_main_~k~5 19), 17570#(<= ULTIMATE.start_main_~k~5 20), 17571#(<= ULTIMATE.start_main_~k~5 21), 17572#(<= ULTIMATE.start_main_~k~5 22), 17573#(<= ULTIMATE.start_main_~k~5 23), 17574#(<= ULTIMATE.start_main_~k~5 24), 17575#(<= ULTIMATE.start_main_~k~5 25), 17576#(<= ULTIMATE.start_main_~k~5 26), 17577#(<= ULTIMATE.start_main_~k~5 27), 17578#(<= ULTIMATE.start_main_~k~5 28), 17579#(<= ULTIMATE.start_main_~k~5 29), 17580#(<= ULTIMATE.start_main_~k~5 30), 17581#(<= ULTIMATE.start_main_~k~5 31), 17582#(<= ULTIMATE.start_main_~k~5 32), 17583#(<= ULTIMATE.start_main_~k~5 33), 17584#(<= ULTIMATE.start_main_~k~5 34), 17585#(<= ULTIMATE.start_main_~k~5 35), 17586#(<= ULTIMATE.start_main_~k~5 36), 17587#(<= ULTIMATE.start_main_~k~5 37), 17588#(<= ULTIMATE.start_main_~k~5 38), 17589#(<= ULTIMATE.start_main_~k~5 39), 17590#(<= ULTIMATE.start_main_~k~5 40), 17591#(<= ULTIMATE.start_main_~k~5 41), 17592#(<= ULTIMATE.start_main_~k~5 42), 17593#(<= ULTIMATE.start_main_~k~5 43), 17594#(<= ULTIMATE.start_main_~k~5 44), 17595#(<= ULTIMATE.start_main_~k~5 45), 17596#(<= ULTIMATE.start_main_~k~5 46), 17597#(<= ULTIMATE.start_main_~k~5 47), 17598#(<= ULTIMATE.start_main_~k~5 48), 17599#(<= ULTIMATE.start_main_~k~5 49), 17600#(<= ULTIMATE.start_main_~k~5 50), 17601#(<= ULTIMATE.start_main_~k~5 51), 17602#(<= ULTIMATE.start_main_~k~5 52), 17603#(<= ULTIMATE.start_main_~k~5 53), 17604#(<= ULTIMATE.start_main_~k~5 54), 17605#(<= ULTIMATE.start_main_~k~5 55), 17606#(<= ULTIMATE.start_main_~k~5 56), 17607#(<= ULTIMATE.start_main_~k~5 57), 17608#(<= ULTIMATE.start_main_~k~5 58), 17609#(<= ULTIMATE.start_main_~k~5 59), 17610#(<= ULTIMATE.start_main_~k~5 60), 17611#(<= ULTIMATE.start_main_~k~5 61), 17612#(<= ULTIMATE.start_main_~k~5 62), 17613#(<= ULTIMATE.start_main_~k~5 63), 17614#(<= ULTIMATE.start_main_~k~5 64), 17615#(<= ULTIMATE.start_main_~k~5 65), 17616#(<= ULTIMATE.start_main_~k~5 66), 17617#(<= ULTIMATE.start_main_~k~5 67), 17618#(<= ULTIMATE.start_main_~k~5 68), 17619#(<= ULTIMATE.start_main_~k~5 69), 17620#(<= ULTIMATE.start_main_~k~5 70), 17621#(<= ULTIMATE.start_main_~k~5 71), 17622#(<= ULTIMATE.start_main_~k~5 72), 17623#(<= ULTIMATE.start_main_~k~5 73), 17624#(<= ULTIMATE.start_main_~k~5 74), 17625#(<= ULTIMATE.start_main_~k~5 75), 17626#(<= ULTIMATE.start_main_~k~5 76), 17627#(<= ULTIMATE.start_main_~k~5 77), 17628#(<= ULTIMATE.start_main_~k~5 78), 17629#(<= ULTIMATE.start_main_~k~5 79)] [2018-07-23 13:40:53,468 INFO L134 CoverageAnalysis]: Checked inductivity of 3160 backedges. 0 proven. 3160 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2018-07-23 13:40:53,468 INFO L450 AbstractCegarLoop]: Interpolant automaton has 82 states [2018-07-23 13:40:53,469 INFO L132 InterpolantAutomaton]: Constructing interpolant automaton starting with 82 interpolants. [2018-07-23 13:40:53,470 INFO L133 InterpolantAutomaton]: CoverageRelationStatistics Valid=3321, Invalid=3321, Unknown=0, NotChecked=0, Total=6642 [2018-07-23 13:40:53,470 INFO L87 Difference]: Start difference. First operand 83 states and 83 transitions. Second operand 82 states. [2018-07-23 13:40:53,576 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2018-07-23 13:40:53,576 INFO L93 Difference]: Finished difference Result 86 states and 86 transitions. [2018-07-23 13:40:53,576 INFO L142 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 82 states. [2018-07-23 13:40:53,576 INFO L78 Accepts]: Start accepts. Automaton has 82 states. Word has length 82 [2018-07-23 13:40:53,577 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2018-07-23 13:40:53,577 INFO L225 Difference]: With dead ends: 86 [2018-07-23 13:40:53,577 INFO L226 Difference]: Without dead ends: 84 [2018-07-23 13:40:53,578 INFO L575 BasicCegarLoop]: 0 DeclaredPredicates, 81 GetRequests, 1 SyntacticMatches, 0 SemanticMatches, 80 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 0 ImplicationChecksByTransitivity, 0.3s TimeCoverageRelationStatistics Valid=3321, Invalid=3321, Unknown=0, NotChecked=0, Total=6642 [2018-07-23 13:40:53,578 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 84 states. [2018-07-23 13:40:53,581 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 84 to 84. [2018-07-23 13:40:53,581 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 84 states. [2018-07-23 13:40:53,581 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 84 states to 84 states and 84 transitions. [2018-07-23 13:40:53,581 INFO L78 Accepts]: Start accepts. Automaton has 84 states and 84 transitions. Word has length 82 [2018-07-23 13:40:53,582 INFO L84 Accepts]: Finished accepts. word is rejected. [2018-07-23 13:40:53,582 INFO L471 AbstractCegarLoop]: Abstraction has 84 states and 84 transitions. [2018-07-23 13:40:53,582 INFO L472 AbstractCegarLoop]: Interpolant automaton has 82 states. [2018-07-23 13:40:53,582 INFO L276 IsEmpty]: Start isEmpty. Operand 84 states and 84 transitions. [2018-07-23 13:40:53,582 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 84 [2018-07-23 13:40:53,583 INFO L349 BasicCegarLoop]: Found error trace [2018-07-23 13:40:53,583 INFO L357 BasicCegarLoop]: trace histogram [80, 1, 1, 1] [2018-07-23 13:40:53,583 INFO L414 AbstractCegarLoop]: === Iteration 81 === [ULTIMATE.startErr0AssertViolationASSERT]=== [2018-07-23 13:40:53,583 INFO L82 PathProgramCache]: Analyzing trace with hash 1676236865, now seen corresponding path program 80 times [2018-07-23 13:40:53,583 INFO L69 tionRefinementEngine]: Using refinement strategy FixedRefinementStrategy [2018-07-23 13:40:53,607 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-07-23 13:40:53,903 INFO L134 CoverageAnalysis]: Checked inductivity of 3240 backedges. 0 proven. 3240 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2018-07-23 13:40:53,903 INFO L309 seRefinementStrategy]: Constructing automaton from 0 perfect and 1 imperfect interpolant sequences. [2018-07-23 13:40:53,903 INFO L324 seRefinementStrategy]: Number of different interpolants: perfect sequences [] imperfect sequences [82] total 82 [2018-07-23 13:40:53,904 INFO L142 lantAutomatonBuilder]: Constructing canonical interpolant automaton, with selfloop in false state [2018-07-23 13:40:53,904 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2018-07-23 13:40:53,904 INFO L185 omatonBuilderFactory]: Interpolants [18048#(<= ULTIMATE.start_main_~k~5 76), 18049#(<= ULTIMATE.start_main_~k~5 77), 18050#(<= ULTIMATE.start_main_~k~5 78), 18051#(<= ULTIMATE.start_main_~k~5 79), 18052#(<= ULTIMATE.start_main_~k~5 80), 17970#true, 17971#false, 17972#(<= ULTIMATE.start_main_~k~5 0), 17973#(<= ULTIMATE.start_main_~k~5 1), 17974#(<= ULTIMATE.start_main_~k~5 2), 17975#(<= ULTIMATE.start_main_~k~5 3), 17976#(<= ULTIMATE.start_main_~k~5 4), 17977#(<= ULTIMATE.start_main_~k~5 5), 17978#(<= ULTIMATE.start_main_~k~5 6), 17979#(<= ULTIMATE.start_main_~k~5 7), 17980#(<= ULTIMATE.start_main_~k~5 8), 17981#(<= ULTIMATE.start_main_~k~5 9), 17982#(<= ULTIMATE.start_main_~k~5 10), 17983#(<= ULTIMATE.start_main_~k~5 11), 17984#(<= ULTIMATE.start_main_~k~5 12), 17985#(<= ULTIMATE.start_main_~k~5 13), 17986#(<= ULTIMATE.start_main_~k~5 14), 17987#(<= ULTIMATE.start_main_~k~5 15), 17988#(<= ULTIMATE.start_main_~k~5 16), 17989#(<= ULTIMATE.start_main_~k~5 17), 17990#(<= ULTIMATE.start_main_~k~5 18), 17991#(<= ULTIMATE.start_main_~k~5 19), 17992#(<= ULTIMATE.start_main_~k~5 20), 17993#(<= ULTIMATE.start_main_~k~5 21), 17994#(<= ULTIMATE.start_main_~k~5 22), 17995#(<= ULTIMATE.start_main_~k~5 23), 17996#(<= ULTIMATE.start_main_~k~5 24), 17997#(<= ULTIMATE.start_main_~k~5 25), 17998#(<= ULTIMATE.start_main_~k~5 26), 17999#(<= ULTIMATE.start_main_~k~5 27), 18000#(<= ULTIMATE.start_main_~k~5 28), 18001#(<= ULTIMATE.start_main_~k~5 29), 18002#(<= ULTIMATE.start_main_~k~5 30), 18003#(<= ULTIMATE.start_main_~k~5 31), 18004#(<= ULTIMATE.start_main_~k~5 32), 18005#(<= ULTIMATE.start_main_~k~5 33), 18006#(<= ULTIMATE.start_main_~k~5 34), 18007#(<= ULTIMATE.start_main_~k~5 35), 18008#(<= ULTIMATE.start_main_~k~5 36), 18009#(<= ULTIMATE.start_main_~k~5 37), 18010#(<= ULTIMATE.start_main_~k~5 38), 18011#(<= ULTIMATE.start_main_~k~5 39), 18012#(<= ULTIMATE.start_main_~k~5 40), 18013#(<= ULTIMATE.start_main_~k~5 41), 18014#(<= ULTIMATE.start_main_~k~5 42), 18015#(<= ULTIMATE.start_main_~k~5 43), 18016#(<= ULTIMATE.start_main_~k~5 44), 18017#(<= ULTIMATE.start_main_~k~5 45), 18018#(<= ULTIMATE.start_main_~k~5 46), 18019#(<= ULTIMATE.start_main_~k~5 47), 18020#(<= ULTIMATE.start_main_~k~5 48), 18021#(<= ULTIMATE.start_main_~k~5 49), 18022#(<= ULTIMATE.start_main_~k~5 50), 18023#(<= ULTIMATE.start_main_~k~5 51), 18024#(<= ULTIMATE.start_main_~k~5 52), 18025#(<= ULTIMATE.start_main_~k~5 53), 18026#(<= ULTIMATE.start_main_~k~5 54), 18027#(<= ULTIMATE.start_main_~k~5 55), 18028#(<= ULTIMATE.start_main_~k~5 56), 18029#(<= ULTIMATE.start_main_~k~5 57), 18030#(<= ULTIMATE.start_main_~k~5 58), 18031#(<= ULTIMATE.start_main_~k~5 59), 18032#(<= ULTIMATE.start_main_~k~5 60), 18033#(<= ULTIMATE.start_main_~k~5 61), 18034#(<= ULTIMATE.start_main_~k~5 62), 18035#(<= ULTIMATE.start_main_~k~5 63), 18036#(<= ULTIMATE.start_main_~k~5 64), 18037#(<= ULTIMATE.start_main_~k~5 65), 18038#(<= ULTIMATE.start_main_~k~5 66), 18039#(<= ULTIMATE.start_main_~k~5 67), 18040#(<= ULTIMATE.start_main_~k~5 68), 18041#(<= ULTIMATE.start_main_~k~5 69), 18042#(<= ULTIMATE.start_main_~k~5 70), 18043#(<= ULTIMATE.start_main_~k~5 71), 18044#(<= ULTIMATE.start_main_~k~5 72), 18045#(<= ULTIMATE.start_main_~k~5 73), 18046#(<= ULTIMATE.start_main_~k~5 74), 18047#(<= ULTIMATE.start_main_~k~5 75)] [2018-07-23 13:40:53,905 INFO L134 CoverageAnalysis]: Checked inductivity of 3240 backedges. 0 proven. 3240 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2018-07-23 13:40:53,905 INFO L450 AbstractCegarLoop]: Interpolant automaton has 83 states [2018-07-23 13:40:53,906 INFO L132 InterpolantAutomaton]: Constructing interpolant automaton starting with 83 interpolants. [2018-07-23 13:40:53,907 INFO L133 InterpolantAutomaton]: CoverageRelationStatistics Valid=3403, Invalid=3403, Unknown=0, NotChecked=0, Total=6806 [2018-07-23 13:40:53,907 INFO L87 Difference]: Start difference. First operand 84 states and 84 transitions. Second operand 83 states. [2018-07-23 13:40:53,981 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2018-07-23 13:40:53,981 INFO L93 Difference]: Finished difference Result 87 states and 87 transitions. [2018-07-23 13:40:53,981 INFO L142 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 83 states. [2018-07-23 13:40:53,981 INFO L78 Accepts]: Start accepts. Automaton has 83 states. Word has length 83 [2018-07-23 13:40:53,981 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2018-07-23 13:40:53,982 INFO L225 Difference]: With dead ends: 87 [2018-07-23 13:40:53,982 INFO L226 Difference]: Without dead ends: 85 [2018-07-23 13:40:53,983 INFO L575 BasicCegarLoop]: 0 DeclaredPredicates, 82 GetRequests, 1 SyntacticMatches, 0 SemanticMatches, 81 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 0 ImplicationChecksByTransitivity, 0.2s TimeCoverageRelationStatistics Valid=3403, Invalid=3403, Unknown=0, NotChecked=0, Total=6806 [2018-07-23 13:40:53,983 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 85 states. [2018-07-23 13:40:53,986 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 85 to 85. [2018-07-23 13:40:53,986 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 85 states. [2018-07-23 13:40:53,986 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 85 states to 85 states and 85 transitions. [2018-07-23 13:40:53,986 INFO L78 Accepts]: Start accepts. Automaton has 85 states and 85 transitions. Word has length 83 [2018-07-23 13:40:53,987 INFO L84 Accepts]: Finished accepts. word is rejected. [2018-07-23 13:40:53,987 INFO L471 AbstractCegarLoop]: Abstraction has 85 states and 85 transitions. [2018-07-23 13:40:53,987 INFO L472 AbstractCegarLoop]: Interpolant automaton has 83 states. [2018-07-23 13:40:53,987 INFO L276 IsEmpty]: Start isEmpty. Operand 85 states and 85 transitions. [2018-07-23 13:40:53,988 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 85 [2018-07-23 13:40:53,988 INFO L349 BasicCegarLoop]: Found error trace [2018-07-23 13:40:53,988 INFO L357 BasicCegarLoop]: trace histogram [81, 1, 1, 1] [2018-07-23 13:40:53,988 INFO L414 AbstractCegarLoop]: === Iteration 82 === [ULTIMATE.startErr0AssertViolationASSERT]=== [2018-07-23 13:40:53,988 INFO L82 PathProgramCache]: Analyzing trace with hash 423733288, now seen corresponding path program 81 times [2018-07-23 13:40:53,988 INFO L69 tionRefinementEngine]: Using refinement strategy FixedRefinementStrategy [2018-07-23 13:40:54,014 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-07-23 13:40:54,321 INFO L134 CoverageAnalysis]: Checked inductivity of 3321 backedges. 0 proven. 3321 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2018-07-23 13:40:54,321 INFO L309 seRefinementStrategy]: Constructing automaton from 0 perfect and 1 imperfect interpolant sequences. [2018-07-23 13:40:54,321 INFO L324 seRefinementStrategy]: Number of different interpolants: perfect sequences [] imperfect sequences [83] total 83 [2018-07-23 13:40:54,322 INFO L142 lantAutomatonBuilder]: Constructing canonical interpolant automaton, with selfloop in false state [2018-07-23 13:40:54,322 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2018-07-23 13:40:54,322 INFO L185 omatonBuilderFactory]: Interpolants [18432#(<= ULTIMATE.start_main_~k~5 33), 18433#(<= ULTIMATE.start_main_~k~5 34), 18434#(<= ULTIMATE.start_main_~k~5 35), 18435#(<= ULTIMATE.start_main_~k~5 36), 18436#(<= ULTIMATE.start_main_~k~5 37), 18437#(<= ULTIMATE.start_main_~k~5 38), 18438#(<= ULTIMATE.start_main_~k~5 39), 18439#(<= ULTIMATE.start_main_~k~5 40), 18440#(<= ULTIMATE.start_main_~k~5 41), 18441#(<= ULTIMATE.start_main_~k~5 42), 18442#(<= ULTIMATE.start_main_~k~5 43), 18443#(<= ULTIMATE.start_main_~k~5 44), 18444#(<= ULTIMATE.start_main_~k~5 45), 18445#(<= ULTIMATE.start_main_~k~5 46), 18446#(<= ULTIMATE.start_main_~k~5 47), 18447#(<= ULTIMATE.start_main_~k~5 48), 18448#(<= ULTIMATE.start_main_~k~5 49), 18449#(<= ULTIMATE.start_main_~k~5 50), 18450#(<= ULTIMATE.start_main_~k~5 51), 18451#(<= ULTIMATE.start_main_~k~5 52), 18452#(<= ULTIMATE.start_main_~k~5 53), 18453#(<= ULTIMATE.start_main_~k~5 54), 18454#(<= ULTIMATE.start_main_~k~5 55), 18455#(<= ULTIMATE.start_main_~k~5 56), 18456#(<= ULTIMATE.start_main_~k~5 57), 18457#(<= ULTIMATE.start_main_~k~5 58), 18458#(<= ULTIMATE.start_main_~k~5 59), 18459#(<= ULTIMATE.start_main_~k~5 60), 18460#(<= ULTIMATE.start_main_~k~5 61), 18461#(<= ULTIMATE.start_main_~k~5 62), 18462#(<= ULTIMATE.start_main_~k~5 63), 18463#(<= ULTIMATE.start_main_~k~5 64), 18464#(<= ULTIMATE.start_main_~k~5 65), 18465#(<= ULTIMATE.start_main_~k~5 66), 18466#(<= ULTIMATE.start_main_~k~5 67), 18467#(<= ULTIMATE.start_main_~k~5 68), 18468#(<= ULTIMATE.start_main_~k~5 69), 18469#(<= ULTIMATE.start_main_~k~5 70), 18470#(<= ULTIMATE.start_main_~k~5 71), 18471#(<= ULTIMATE.start_main_~k~5 72), 18472#(<= ULTIMATE.start_main_~k~5 73), 18473#(<= ULTIMATE.start_main_~k~5 74), 18474#(<= ULTIMATE.start_main_~k~5 75), 18475#(<= ULTIMATE.start_main_~k~5 76), 18476#(<= ULTIMATE.start_main_~k~5 77), 18477#(<= ULTIMATE.start_main_~k~5 78), 18478#(<= ULTIMATE.start_main_~k~5 79), 18479#(<= ULTIMATE.start_main_~k~5 80), 18480#(<= ULTIMATE.start_main_~k~5 81), 18397#true, 18398#false, 18399#(<= ULTIMATE.start_main_~k~5 0), 18400#(<= ULTIMATE.start_main_~k~5 1), 18401#(<= ULTIMATE.start_main_~k~5 2), 18402#(<= ULTIMATE.start_main_~k~5 3), 18403#(<= ULTIMATE.start_main_~k~5 4), 18404#(<= ULTIMATE.start_main_~k~5 5), 18405#(<= ULTIMATE.start_main_~k~5 6), 18406#(<= ULTIMATE.start_main_~k~5 7), 18407#(<= ULTIMATE.start_main_~k~5 8), 18408#(<= ULTIMATE.start_main_~k~5 9), 18409#(<= ULTIMATE.start_main_~k~5 10), 18410#(<= ULTIMATE.start_main_~k~5 11), 18411#(<= ULTIMATE.start_main_~k~5 12), 18412#(<= ULTIMATE.start_main_~k~5 13), 18413#(<= ULTIMATE.start_main_~k~5 14), 18414#(<= ULTIMATE.start_main_~k~5 15), 18415#(<= ULTIMATE.start_main_~k~5 16), 18416#(<= ULTIMATE.start_main_~k~5 17), 18417#(<= ULTIMATE.start_main_~k~5 18), 18418#(<= ULTIMATE.start_main_~k~5 19), 18419#(<= ULTIMATE.start_main_~k~5 20), 18420#(<= ULTIMATE.start_main_~k~5 21), 18421#(<= ULTIMATE.start_main_~k~5 22), 18422#(<= ULTIMATE.start_main_~k~5 23), 18423#(<= ULTIMATE.start_main_~k~5 24), 18424#(<= ULTIMATE.start_main_~k~5 25), 18425#(<= ULTIMATE.start_main_~k~5 26), 18426#(<= ULTIMATE.start_main_~k~5 27), 18427#(<= ULTIMATE.start_main_~k~5 28), 18428#(<= ULTIMATE.start_main_~k~5 29), 18429#(<= ULTIMATE.start_main_~k~5 30), 18430#(<= ULTIMATE.start_main_~k~5 31), 18431#(<= ULTIMATE.start_main_~k~5 32)] [2018-07-23 13:40:54,323 INFO L134 CoverageAnalysis]: Checked inductivity of 3321 backedges. 0 proven. 3321 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2018-07-23 13:40:54,323 INFO L450 AbstractCegarLoop]: Interpolant automaton has 84 states [2018-07-23 13:40:54,324 INFO L132 InterpolantAutomaton]: Constructing interpolant automaton starting with 84 interpolants. [2018-07-23 13:40:54,325 INFO L133 InterpolantAutomaton]: CoverageRelationStatistics Valid=3486, Invalid=3486, Unknown=0, NotChecked=0, Total=6972 [2018-07-23 13:40:54,325 INFO L87 Difference]: Start difference. First operand 85 states and 85 transitions. Second operand 84 states. [2018-07-23 13:40:54,394 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2018-07-23 13:40:54,395 INFO L93 Difference]: Finished difference Result 88 states and 88 transitions. [2018-07-23 13:40:54,395 INFO L142 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 84 states. [2018-07-23 13:40:54,395 INFO L78 Accepts]: Start accepts. Automaton has 84 states. Word has length 84 [2018-07-23 13:40:54,395 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2018-07-23 13:40:54,396 INFO L225 Difference]: With dead ends: 88 [2018-07-23 13:40:54,396 INFO L226 Difference]: Without dead ends: 86 [2018-07-23 13:40:54,397 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 13:40:54,397 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 86 states. [2018-07-23 13:40:54,400 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 86 to 86. [2018-07-23 13:40:54,400 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 86 states. [2018-07-23 13:40:54,401 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 86 states to 86 states and 86 transitions. [2018-07-23 13:40:54,401 INFO L78 Accepts]: Start accepts. Automaton has 86 states and 86 transitions. Word has length 84 [2018-07-23 13:40:54,401 INFO L84 Accepts]: Finished accepts. word is rejected. [2018-07-23 13:40:54,401 INFO L471 AbstractCegarLoop]: Abstraction has 86 states and 86 transitions. [2018-07-23 13:40:54,401 INFO L472 AbstractCegarLoop]: Interpolant automaton has 84 states. [2018-07-23 13:40:54,402 INFO L276 IsEmpty]: Start isEmpty. Operand 86 states and 86 transitions. [2018-07-23 13:40:54,402 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 86 [2018-07-23 13:40:54,402 INFO L349 BasicCegarLoop]: Found error trace [2018-07-23 13:40:54,402 INFO L357 BasicCegarLoop]: trace histogram [82, 1, 1, 1] [2018-07-23 13:40:54,403 INFO L414 AbstractCegarLoop]: === Iteration 83 === [ULTIMATE.startErr0AssertViolationASSERT]=== [2018-07-23 13:40:54,403 INFO L82 PathProgramCache]: Analyzing trace with hash 250828065, now seen corresponding path program 82 times [2018-07-23 13:40:54,403 INFO L69 tionRefinementEngine]: Using refinement strategy FixedRefinementStrategy [2018-07-23 13:40:54,431 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-07-23 13:40:54,761 INFO L134 CoverageAnalysis]: Checked inductivity of 3403 backedges. 0 proven. 3403 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2018-07-23 13:40:54,761 INFO L309 seRefinementStrategy]: Constructing automaton from 0 perfect and 1 imperfect interpolant sequences. [2018-07-23 13:40:54,762 INFO L324 seRefinementStrategy]: Number of different interpolants: perfect sequences [] imperfect sequences [84] total 84 [2018-07-23 13:40:54,762 INFO L142 lantAutomatonBuilder]: Constructing canonical interpolant automaton, with selfloop in false state [2018-07-23 13:40:54,762 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2018-07-23 13:40:54,762 INFO L185 omatonBuilderFactory]: Interpolants [18829#true, 18830#false, 18831#(<= ULTIMATE.start_main_~k~5 0), 18832#(<= ULTIMATE.start_main_~k~5 1), 18833#(<= ULTIMATE.start_main_~k~5 2), 18834#(<= ULTIMATE.start_main_~k~5 3), 18835#(<= ULTIMATE.start_main_~k~5 4), 18836#(<= ULTIMATE.start_main_~k~5 5), 18837#(<= ULTIMATE.start_main_~k~5 6), 18838#(<= ULTIMATE.start_main_~k~5 7), 18839#(<= ULTIMATE.start_main_~k~5 8), 18840#(<= ULTIMATE.start_main_~k~5 9), 18841#(<= ULTIMATE.start_main_~k~5 10), 18842#(<= ULTIMATE.start_main_~k~5 11), 18843#(<= ULTIMATE.start_main_~k~5 12), 18844#(<= ULTIMATE.start_main_~k~5 13), 18845#(<= ULTIMATE.start_main_~k~5 14), 18846#(<= ULTIMATE.start_main_~k~5 15), 18847#(<= ULTIMATE.start_main_~k~5 16), 18848#(<= ULTIMATE.start_main_~k~5 17), 18849#(<= ULTIMATE.start_main_~k~5 18), 18850#(<= ULTIMATE.start_main_~k~5 19), 18851#(<= ULTIMATE.start_main_~k~5 20), 18852#(<= ULTIMATE.start_main_~k~5 21), 18853#(<= ULTIMATE.start_main_~k~5 22), 18854#(<= ULTIMATE.start_main_~k~5 23), 18855#(<= ULTIMATE.start_main_~k~5 24), 18856#(<= ULTIMATE.start_main_~k~5 25), 18857#(<= ULTIMATE.start_main_~k~5 26), 18858#(<= ULTIMATE.start_main_~k~5 27), 18859#(<= ULTIMATE.start_main_~k~5 28), 18860#(<= ULTIMATE.start_main_~k~5 29), 18861#(<= ULTIMATE.start_main_~k~5 30), 18862#(<= ULTIMATE.start_main_~k~5 31), 18863#(<= ULTIMATE.start_main_~k~5 32), 18864#(<= ULTIMATE.start_main_~k~5 33), 18865#(<= ULTIMATE.start_main_~k~5 34), 18866#(<= ULTIMATE.start_main_~k~5 35), 18867#(<= ULTIMATE.start_main_~k~5 36), 18868#(<= ULTIMATE.start_main_~k~5 37), 18869#(<= ULTIMATE.start_main_~k~5 38), 18870#(<= ULTIMATE.start_main_~k~5 39), 18871#(<= ULTIMATE.start_main_~k~5 40), 18872#(<= ULTIMATE.start_main_~k~5 41), 18873#(<= ULTIMATE.start_main_~k~5 42), 18874#(<= ULTIMATE.start_main_~k~5 43), 18875#(<= ULTIMATE.start_main_~k~5 44), 18876#(<= ULTIMATE.start_main_~k~5 45), 18877#(<= ULTIMATE.start_main_~k~5 46), 18878#(<= ULTIMATE.start_main_~k~5 47), 18879#(<= ULTIMATE.start_main_~k~5 48), 18880#(<= ULTIMATE.start_main_~k~5 49), 18881#(<= ULTIMATE.start_main_~k~5 50), 18882#(<= ULTIMATE.start_main_~k~5 51), 18883#(<= ULTIMATE.start_main_~k~5 52), 18884#(<= ULTIMATE.start_main_~k~5 53), 18885#(<= ULTIMATE.start_main_~k~5 54), 18886#(<= ULTIMATE.start_main_~k~5 55), 18887#(<= ULTIMATE.start_main_~k~5 56), 18888#(<= ULTIMATE.start_main_~k~5 57), 18889#(<= ULTIMATE.start_main_~k~5 58), 18890#(<= ULTIMATE.start_main_~k~5 59), 18891#(<= ULTIMATE.start_main_~k~5 60), 18892#(<= ULTIMATE.start_main_~k~5 61), 18893#(<= ULTIMATE.start_main_~k~5 62), 18894#(<= ULTIMATE.start_main_~k~5 63), 18895#(<= ULTIMATE.start_main_~k~5 64), 18896#(<= ULTIMATE.start_main_~k~5 65), 18897#(<= ULTIMATE.start_main_~k~5 66), 18898#(<= ULTIMATE.start_main_~k~5 67), 18899#(<= ULTIMATE.start_main_~k~5 68), 18900#(<= ULTIMATE.start_main_~k~5 69), 18901#(<= ULTIMATE.start_main_~k~5 70), 18902#(<= ULTIMATE.start_main_~k~5 71), 18903#(<= ULTIMATE.start_main_~k~5 72), 18904#(<= ULTIMATE.start_main_~k~5 73), 18905#(<= ULTIMATE.start_main_~k~5 74), 18906#(<= ULTIMATE.start_main_~k~5 75), 18907#(<= ULTIMATE.start_main_~k~5 76), 18908#(<= ULTIMATE.start_main_~k~5 77), 18909#(<= ULTIMATE.start_main_~k~5 78), 18910#(<= ULTIMATE.start_main_~k~5 79), 18911#(<= ULTIMATE.start_main_~k~5 80), 18912#(<= ULTIMATE.start_main_~k~5 81), 18913#(<= ULTIMATE.start_main_~k~5 82)] [2018-07-23 13:40:54,763 INFO L134 CoverageAnalysis]: Checked inductivity of 3403 backedges. 0 proven. 3403 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2018-07-23 13:40:54,763 INFO L450 AbstractCegarLoop]: Interpolant automaton has 85 states [2018-07-23 13:40:54,764 INFO L132 InterpolantAutomaton]: Constructing interpolant automaton starting with 85 interpolants. [2018-07-23 13:40:54,765 INFO L133 InterpolantAutomaton]: CoverageRelationStatistics Valid=3570, Invalid=3570, Unknown=0, NotChecked=0, Total=7140 [2018-07-23 13:40:54,765 INFO L87 Difference]: Start difference. First operand 86 states and 86 transitions. Second operand 85 states. [2018-07-23 13:40:54,875 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2018-07-23 13:40:54,875 INFO L93 Difference]: Finished difference Result 89 states and 89 transitions. [2018-07-23 13:40:54,876 INFO L142 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 85 states. [2018-07-23 13:40:54,876 INFO L78 Accepts]: Start accepts. Automaton has 85 states. Word has length 85 [2018-07-23 13:40:54,876 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2018-07-23 13:40:54,880 INFO L225 Difference]: With dead ends: 89 [2018-07-23 13:40:54,880 INFO L226 Difference]: Without dead ends: 87 [2018-07-23 13:40:54,881 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 13:40:54,882 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 87 states. [2018-07-23 13:40:54,885 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 87 to 87. [2018-07-23 13:40:54,885 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 87 states. [2018-07-23 13:40:54,885 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 87 states to 87 states and 87 transitions. [2018-07-23 13:40:54,885 INFO L78 Accepts]: Start accepts. Automaton has 87 states and 87 transitions. Word has length 85 [2018-07-23 13:40:54,886 INFO L84 Accepts]: Finished accepts. word is rejected. [2018-07-23 13:40:54,886 INFO L471 AbstractCegarLoop]: Abstraction has 87 states and 87 transitions. [2018-07-23 13:40:54,886 INFO L472 AbstractCegarLoop]: Interpolant automaton has 85 states. [2018-07-23 13:40:54,886 INFO L276 IsEmpty]: Start isEmpty. Operand 87 states and 87 transitions. [2018-07-23 13:40:54,887 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 87 [2018-07-23 13:40:54,887 INFO L349 BasicCegarLoop]: Found error trace [2018-07-23 13:40:54,887 INFO L357 BasicCegarLoop]: trace histogram [83, 1, 1, 1] [2018-07-23 13:40:54,887 INFO L414 AbstractCegarLoop]: === Iteration 84 === [ULTIMATE.startErr0AssertViolationASSERT]=== [2018-07-23 13:40:54,888 INFO L82 PathProgramCache]: Analyzing trace with hash -814266552, now seen corresponding path program 83 times [2018-07-23 13:40:54,888 INFO L69 tionRefinementEngine]: Using refinement strategy FixedRefinementStrategy [2018-07-23 13:40:54,916 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-07-23 13:40:55,248 INFO L134 CoverageAnalysis]: Checked inductivity of 3486 backedges. 0 proven. 3486 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2018-07-23 13:40:55,248 INFO L309 seRefinementStrategy]: Constructing automaton from 0 perfect and 1 imperfect interpolant sequences. [2018-07-23 13:40:55,248 INFO L324 seRefinementStrategy]: Number of different interpolants: perfect sequences [] imperfect sequences [85] total 85 [2018-07-23 13:40:55,248 INFO L142 lantAutomatonBuilder]: Constructing canonical interpolant automaton, with selfloop in false state [2018-07-23 13:40:55,249 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2018-07-23 13:40:55,249 INFO L185 omatonBuilderFactory]: Interpolants [19328#(<= ULTIMATE.start_main_~k~5 60), 19329#(<= ULTIMATE.start_main_~k~5 61), 19330#(<= ULTIMATE.start_main_~k~5 62), 19331#(<= ULTIMATE.start_main_~k~5 63), 19332#(<= ULTIMATE.start_main_~k~5 64), 19333#(<= ULTIMATE.start_main_~k~5 65), 19334#(<= ULTIMATE.start_main_~k~5 66), 19335#(<= ULTIMATE.start_main_~k~5 67), 19336#(<= ULTIMATE.start_main_~k~5 68), 19337#(<= ULTIMATE.start_main_~k~5 69), 19338#(<= ULTIMATE.start_main_~k~5 70), 19339#(<= ULTIMATE.start_main_~k~5 71), 19340#(<= ULTIMATE.start_main_~k~5 72), 19341#(<= ULTIMATE.start_main_~k~5 73), 19342#(<= ULTIMATE.start_main_~k~5 74), 19343#(<= ULTIMATE.start_main_~k~5 75), 19344#(<= ULTIMATE.start_main_~k~5 76), 19345#(<= ULTIMATE.start_main_~k~5 77), 19346#(<= ULTIMATE.start_main_~k~5 78), 19347#(<= ULTIMATE.start_main_~k~5 79), 19348#(<= ULTIMATE.start_main_~k~5 80), 19349#(<= ULTIMATE.start_main_~k~5 81), 19350#(<= ULTIMATE.start_main_~k~5 82), 19351#(<= ULTIMATE.start_main_~k~5 83), 19266#true, 19267#false, 19268#(<= ULTIMATE.start_main_~k~5 0), 19269#(<= ULTIMATE.start_main_~k~5 1), 19270#(<= ULTIMATE.start_main_~k~5 2), 19271#(<= ULTIMATE.start_main_~k~5 3), 19272#(<= ULTIMATE.start_main_~k~5 4), 19273#(<= ULTIMATE.start_main_~k~5 5), 19274#(<= ULTIMATE.start_main_~k~5 6), 19275#(<= ULTIMATE.start_main_~k~5 7), 19276#(<= ULTIMATE.start_main_~k~5 8), 19277#(<= ULTIMATE.start_main_~k~5 9), 19278#(<= ULTIMATE.start_main_~k~5 10), 19279#(<= ULTIMATE.start_main_~k~5 11), 19280#(<= ULTIMATE.start_main_~k~5 12), 19281#(<= ULTIMATE.start_main_~k~5 13), 19282#(<= ULTIMATE.start_main_~k~5 14), 19283#(<= ULTIMATE.start_main_~k~5 15), 19284#(<= ULTIMATE.start_main_~k~5 16), 19285#(<= ULTIMATE.start_main_~k~5 17), 19286#(<= ULTIMATE.start_main_~k~5 18), 19287#(<= ULTIMATE.start_main_~k~5 19), 19288#(<= ULTIMATE.start_main_~k~5 20), 19289#(<= ULTIMATE.start_main_~k~5 21), 19290#(<= ULTIMATE.start_main_~k~5 22), 19291#(<= ULTIMATE.start_main_~k~5 23), 19292#(<= ULTIMATE.start_main_~k~5 24), 19293#(<= ULTIMATE.start_main_~k~5 25), 19294#(<= ULTIMATE.start_main_~k~5 26), 19295#(<= ULTIMATE.start_main_~k~5 27), 19296#(<= ULTIMATE.start_main_~k~5 28), 19297#(<= ULTIMATE.start_main_~k~5 29), 19298#(<= ULTIMATE.start_main_~k~5 30), 19299#(<= ULTIMATE.start_main_~k~5 31), 19300#(<= ULTIMATE.start_main_~k~5 32), 19301#(<= ULTIMATE.start_main_~k~5 33), 19302#(<= ULTIMATE.start_main_~k~5 34), 19303#(<= ULTIMATE.start_main_~k~5 35), 19304#(<= ULTIMATE.start_main_~k~5 36), 19305#(<= ULTIMATE.start_main_~k~5 37), 19306#(<= ULTIMATE.start_main_~k~5 38), 19307#(<= ULTIMATE.start_main_~k~5 39), 19308#(<= ULTIMATE.start_main_~k~5 40), 19309#(<= ULTIMATE.start_main_~k~5 41), 19310#(<= ULTIMATE.start_main_~k~5 42), 19311#(<= ULTIMATE.start_main_~k~5 43), 19312#(<= ULTIMATE.start_main_~k~5 44), 19313#(<= ULTIMATE.start_main_~k~5 45), 19314#(<= ULTIMATE.start_main_~k~5 46), 19315#(<= ULTIMATE.start_main_~k~5 47), 19316#(<= ULTIMATE.start_main_~k~5 48), 19317#(<= ULTIMATE.start_main_~k~5 49), 19318#(<= ULTIMATE.start_main_~k~5 50), 19319#(<= ULTIMATE.start_main_~k~5 51), 19320#(<= ULTIMATE.start_main_~k~5 52), 19321#(<= ULTIMATE.start_main_~k~5 53), 19322#(<= ULTIMATE.start_main_~k~5 54), 19323#(<= ULTIMATE.start_main_~k~5 55), 19324#(<= ULTIMATE.start_main_~k~5 56), 19325#(<= ULTIMATE.start_main_~k~5 57), 19326#(<= ULTIMATE.start_main_~k~5 58), 19327#(<= ULTIMATE.start_main_~k~5 59)] [2018-07-23 13:40:55,250 INFO L134 CoverageAnalysis]: Checked inductivity of 3486 backedges. 0 proven. 3486 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2018-07-23 13:40:55,250 INFO L450 AbstractCegarLoop]: Interpolant automaton has 86 states [2018-07-23 13:40:55,251 INFO L132 InterpolantAutomaton]: Constructing interpolant automaton starting with 86 interpolants. [2018-07-23 13:40:55,252 INFO L133 InterpolantAutomaton]: CoverageRelationStatistics Valid=3655, Invalid=3655, Unknown=0, NotChecked=0, Total=7310 [2018-07-23 13:40:55,252 INFO L87 Difference]: Start difference. First operand 87 states and 87 transitions. Second operand 86 states. [2018-07-23 13:40:55,313 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2018-07-23 13:40:55,313 INFO L93 Difference]: Finished difference Result 90 states and 90 transitions. [2018-07-23 13:40:55,313 INFO L142 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 86 states. [2018-07-23 13:40:55,313 INFO L78 Accepts]: Start accepts. Automaton has 86 states. Word has length 86 [2018-07-23 13:40:55,313 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2018-07-23 13:40:55,314 INFO L225 Difference]: With dead ends: 90 [2018-07-23 13:40:55,314 INFO L226 Difference]: Without dead ends: 88 [2018-07-23 13:40:55,315 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 13:40:55,315 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 88 states. [2018-07-23 13:40:55,318 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 88 to 88. [2018-07-23 13:40:55,318 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 88 states. [2018-07-23 13:40:55,319 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 88 states to 88 states and 88 transitions. [2018-07-23 13:40:55,319 INFO L78 Accepts]: Start accepts. Automaton has 88 states and 88 transitions. Word has length 86 [2018-07-23 13:40:55,319 INFO L84 Accepts]: Finished accepts. word is rejected. [2018-07-23 13:40:55,319 INFO L471 AbstractCegarLoop]: Abstraction has 88 states and 88 transitions. [2018-07-23 13:40:55,319 INFO L472 AbstractCegarLoop]: Interpolant automaton has 86 states. [2018-07-23 13:40:55,319 INFO L276 IsEmpty]: Start isEmpty. Operand 88 states and 88 transitions. [2018-07-23 13:40:55,320 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 88 [2018-07-23 13:40:55,320 INFO L349 BasicCegarLoop]: Found error trace [2018-07-23 13:40:55,320 INFO L357 BasicCegarLoop]: trace histogram [84, 1, 1, 1] [2018-07-23 13:40:55,320 INFO L414 AbstractCegarLoop]: === Iteration 85 === [ULTIMATE.startErr0AssertViolationASSERT]=== [2018-07-23 13:40:55,321 INFO L82 PathProgramCache]: Analyzing trace with hash 527538689, now seen corresponding path program 84 times [2018-07-23 13:40:55,321 INFO L69 tionRefinementEngine]: Using refinement strategy FixedRefinementStrategy [2018-07-23 13:40:55,351 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-07-23 13:40:55,675 INFO L134 CoverageAnalysis]: Checked inductivity of 3570 backedges. 0 proven. 3570 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2018-07-23 13:40:55,675 INFO L309 seRefinementStrategy]: Constructing automaton from 0 perfect and 1 imperfect interpolant sequences. [2018-07-23 13:40:55,676 INFO L324 seRefinementStrategy]: Number of different interpolants: perfect sequences [] imperfect sequences [86] total 86 [2018-07-23 13:40:55,676 INFO L142 lantAutomatonBuilder]: Constructing canonical interpolant automaton, with selfloop in false state [2018-07-23 13:40:55,676 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2018-07-23 13:40:55,677 INFO L185 omatonBuilderFactory]: Interpolants [19712#(<= ULTIMATE.start_main_~k~5 2), 19713#(<= ULTIMATE.start_main_~k~5 3), 19714#(<= ULTIMATE.start_main_~k~5 4), 19715#(<= ULTIMATE.start_main_~k~5 5), 19716#(<= ULTIMATE.start_main_~k~5 6), 19717#(<= ULTIMATE.start_main_~k~5 7), 19718#(<= ULTIMATE.start_main_~k~5 8), 19719#(<= ULTIMATE.start_main_~k~5 9), 19720#(<= ULTIMATE.start_main_~k~5 10), 19721#(<= ULTIMATE.start_main_~k~5 11), 19722#(<= ULTIMATE.start_main_~k~5 12), 19723#(<= ULTIMATE.start_main_~k~5 13), 19724#(<= ULTIMATE.start_main_~k~5 14), 19725#(<= ULTIMATE.start_main_~k~5 15), 19726#(<= ULTIMATE.start_main_~k~5 16), 19727#(<= ULTIMATE.start_main_~k~5 17), 19728#(<= ULTIMATE.start_main_~k~5 18), 19729#(<= ULTIMATE.start_main_~k~5 19), 19730#(<= ULTIMATE.start_main_~k~5 20), 19731#(<= ULTIMATE.start_main_~k~5 21), 19732#(<= ULTIMATE.start_main_~k~5 22), 19733#(<= ULTIMATE.start_main_~k~5 23), 19734#(<= ULTIMATE.start_main_~k~5 24), 19735#(<= ULTIMATE.start_main_~k~5 25), 19736#(<= ULTIMATE.start_main_~k~5 26), 19737#(<= ULTIMATE.start_main_~k~5 27), 19738#(<= ULTIMATE.start_main_~k~5 28), 19739#(<= ULTIMATE.start_main_~k~5 29), 19740#(<= ULTIMATE.start_main_~k~5 30), 19741#(<= ULTIMATE.start_main_~k~5 31), 19742#(<= ULTIMATE.start_main_~k~5 32), 19743#(<= ULTIMATE.start_main_~k~5 33), 19744#(<= ULTIMATE.start_main_~k~5 34), 19745#(<= ULTIMATE.start_main_~k~5 35), 19746#(<= ULTIMATE.start_main_~k~5 36), 19747#(<= ULTIMATE.start_main_~k~5 37), 19748#(<= ULTIMATE.start_main_~k~5 38), 19749#(<= ULTIMATE.start_main_~k~5 39), 19750#(<= ULTIMATE.start_main_~k~5 40), 19751#(<= ULTIMATE.start_main_~k~5 41), 19752#(<= ULTIMATE.start_main_~k~5 42), 19753#(<= ULTIMATE.start_main_~k~5 43), 19754#(<= ULTIMATE.start_main_~k~5 44), 19755#(<= ULTIMATE.start_main_~k~5 45), 19756#(<= ULTIMATE.start_main_~k~5 46), 19757#(<= ULTIMATE.start_main_~k~5 47), 19758#(<= ULTIMATE.start_main_~k~5 48), 19759#(<= ULTIMATE.start_main_~k~5 49), 19760#(<= ULTIMATE.start_main_~k~5 50), 19761#(<= ULTIMATE.start_main_~k~5 51), 19762#(<= ULTIMATE.start_main_~k~5 52), 19763#(<= ULTIMATE.start_main_~k~5 53), 19764#(<= ULTIMATE.start_main_~k~5 54), 19765#(<= ULTIMATE.start_main_~k~5 55), 19766#(<= ULTIMATE.start_main_~k~5 56), 19767#(<= ULTIMATE.start_main_~k~5 57), 19768#(<= ULTIMATE.start_main_~k~5 58), 19769#(<= ULTIMATE.start_main_~k~5 59), 19770#(<= ULTIMATE.start_main_~k~5 60), 19771#(<= ULTIMATE.start_main_~k~5 61), 19772#(<= ULTIMATE.start_main_~k~5 62), 19773#(<= ULTIMATE.start_main_~k~5 63), 19774#(<= ULTIMATE.start_main_~k~5 64), 19775#(<= ULTIMATE.start_main_~k~5 65), 19776#(<= ULTIMATE.start_main_~k~5 66), 19777#(<= ULTIMATE.start_main_~k~5 67), 19778#(<= ULTIMATE.start_main_~k~5 68), 19779#(<= ULTIMATE.start_main_~k~5 69), 19780#(<= ULTIMATE.start_main_~k~5 70), 19781#(<= ULTIMATE.start_main_~k~5 71), 19782#(<= ULTIMATE.start_main_~k~5 72), 19783#(<= ULTIMATE.start_main_~k~5 73), 19784#(<= ULTIMATE.start_main_~k~5 74), 19785#(<= ULTIMATE.start_main_~k~5 75), 19786#(<= ULTIMATE.start_main_~k~5 76), 19787#(<= ULTIMATE.start_main_~k~5 77), 19788#(<= ULTIMATE.start_main_~k~5 78), 19789#(<= ULTIMATE.start_main_~k~5 79), 19790#(<= ULTIMATE.start_main_~k~5 80), 19791#(<= ULTIMATE.start_main_~k~5 81), 19792#(<= ULTIMATE.start_main_~k~5 82), 19793#(<= ULTIMATE.start_main_~k~5 83), 19794#(<= ULTIMATE.start_main_~k~5 84), 19708#true, 19709#false, 19710#(<= ULTIMATE.start_main_~k~5 0), 19711#(<= ULTIMATE.start_main_~k~5 1)] [2018-07-23 13:40:55,677 INFO L134 CoverageAnalysis]: Checked inductivity of 3570 backedges. 0 proven. 3570 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2018-07-23 13:40:55,678 INFO L450 AbstractCegarLoop]: Interpolant automaton has 87 states [2018-07-23 13:40:55,679 INFO L132 InterpolantAutomaton]: Constructing interpolant automaton starting with 87 interpolants. [2018-07-23 13:40:55,680 INFO L133 InterpolantAutomaton]: CoverageRelationStatistics Valid=3741, Invalid=3741, Unknown=0, NotChecked=0, Total=7482 [2018-07-23 13:40:55,680 INFO L87 Difference]: Start difference. First operand 88 states and 88 transitions. Second operand 87 states. [2018-07-23 13:40:55,785 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2018-07-23 13:40:55,785 INFO L93 Difference]: Finished difference Result 91 states and 91 transitions. [2018-07-23 13:40:55,786 INFO L142 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 87 states. [2018-07-23 13:40:55,786 INFO L78 Accepts]: Start accepts. Automaton has 87 states. Word has length 87 [2018-07-23 13:40:55,786 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2018-07-23 13:40:55,787 INFO L225 Difference]: With dead ends: 91 [2018-07-23 13:40:55,787 INFO L226 Difference]: Without dead ends: 89 [2018-07-23 13:40:55,788 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 13:40:55,788 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 89 states. [2018-07-23 13:40:55,791 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 89 to 89. [2018-07-23 13:40:55,792 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 89 states. [2018-07-23 13:40:55,792 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 89 states to 89 states and 89 transitions. [2018-07-23 13:40:55,792 INFO L78 Accepts]: Start accepts. Automaton has 89 states and 89 transitions. Word has length 87 [2018-07-23 13:40:55,792 INFO L84 Accepts]: Finished accepts. word is rejected. [2018-07-23 13:40:55,793 INFO L471 AbstractCegarLoop]: Abstraction has 89 states and 89 transitions. [2018-07-23 13:40:55,793 INFO L472 AbstractCegarLoop]: Interpolant automaton has 87 states. [2018-07-23 13:40:55,793 INFO L276 IsEmpty]: Start isEmpty. Operand 89 states and 89 transitions. [2018-07-23 13:40:55,793 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 89 [2018-07-23 13:40:55,794 INFO L349 BasicCegarLoop]: Found error trace [2018-07-23 13:40:55,794 INFO L357 BasicCegarLoop]: trace histogram [85, 1, 1, 1] [2018-07-23 13:40:55,794 INFO L414 AbstractCegarLoop]: === Iteration 86 === [ULTIMATE.startErr0AssertViolationASSERT]=== [2018-07-23 13:40:55,794 INFO L82 PathProgramCache]: Analyzing trace with hash -826171800, now seen corresponding path program 85 times [2018-07-23 13:40:55,796 INFO L69 tionRefinementEngine]: Using refinement strategy FixedRefinementStrategy [2018-07-23 13:40:55,828 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-07-23 13:40:56,195 INFO L134 CoverageAnalysis]: Checked inductivity of 3655 backedges. 0 proven. 3655 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2018-07-23 13:40:56,196 INFO L309 seRefinementStrategy]: Constructing automaton from 0 perfect and 1 imperfect interpolant sequences. [2018-07-23 13:40:56,196 INFO L324 seRefinementStrategy]: Number of different interpolants: perfect sequences [] imperfect sequences [87] total 87 [2018-07-23 13:40:56,196 INFO L142 lantAutomatonBuilder]: Constructing canonical interpolant automaton, with selfloop in false state [2018-07-23 13:40:56,197 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2018-07-23 13:40:56,197 INFO L185 omatonBuilderFactory]: Interpolants [20224#(<= ULTIMATE.start_main_~k~5 67), 20225#(<= ULTIMATE.start_main_~k~5 68), 20226#(<= ULTIMATE.start_main_~k~5 69), 20227#(<= ULTIMATE.start_main_~k~5 70), 20228#(<= ULTIMATE.start_main_~k~5 71), 20229#(<= ULTIMATE.start_main_~k~5 72), 20230#(<= ULTIMATE.start_main_~k~5 73), 20231#(<= ULTIMATE.start_main_~k~5 74), 20232#(<= ULTIMATE.start_main_~k~5 75), 20233#(<= ULTIMATE.start_main_~k~5 76), 20234#(<= ULTIMATE.start_main_~k~5 77), 20235#(<= ULTIMATE.start_main_~k~5 78), 20236#(<= ULTIMATE.start_main_~k~5 79), 20237#(<= ULTIMATE.start_main_~k~5 80), 20238#(<= ULTIMATE.start_main_~k~5 81), 20239#(<= ULTIMATE.start_main_~k~5 82), 20240#(<= ULTIMATE.start_main_~k~5 83), 20241#(<= ULTIMATE.start_main_~k~5 84), 20242#(<= ULTIMATE.start_main_~k~5 85), 20155#true, 20156#false, 20157#(<= ULTIMATE.start_main_~k~5 0), 20158#(<= ULTIMATE.start_main_~k~5 1), 20159#(<= ULTIMATE.start_main_~k~5 2), 20160#(<= ULTIMATE.start_main_~k~5 3), 20161#(<= ULTIMATE.start_main_~k~5 4), 20162#(<= ULTIMATE.start_main_~k~5 5), 20163#(<= ULTIMATE.start_main_~k~5 6), 20164#(<= ULTIMATE.start_main_~k~5 7), 20165#(<= ULTIMATE.start_main_~k~5 8), 20166#(<= ULTIMATE.start_main_~k~5 9), 20167#(<= ULTIMATE.start_main_~k~5 10), 20168#(<= ULTIMATE.start_main_~k~5 11), 20169#(<= ULTIMATE.start_main_~k~5 12), 20170#(<= ULTIMATE.start_main_~k~5 13), 20171#(<= ULTIMATE.start_main_~k~5 14), 20172#(<= ULTIMATE.start_main_~k~5 15), 20173#(<= ULTIMATE.start_main_~k~5 16), 20174#(<= ULTIMATE.start_main_~k~5 17), 20175#(<= ULTIMATE.start_main_~k~5 18), 20176#(<= ULTIMATE.start_main_~k~5 19), 20177#(<= ULTIMATE.start_main_~k~5 20), 20178#(<= ULTIMATE.start_main_~k~5 21), 20179#(<= ULTIMATE.start_main_~k~5 22), 20180#(<= ULTIMATE.start_main_~k~5 23), 20181#(<= ULTIMATE.start_main_~k~5 24), 20182#(<= ULTIMATE.start_main_~k~5 25), 20183#(<= ULTIMATE.start_main_~k~5 26), 20184#(<= ULTIMATE.start_main_~k~5 27), 20185#(<= ULTIMATE.start_main_~k~5 28), 20186#(<= ULTIMATE.start_main_~k~5 29), 20187#(<= ULTIMATE.start_main_~k~5 30), 20188#(<= ULTIMATE.start_main_~k~5 31), 20189#(<= ULTIMATE.start_main_~k~5 32), 20190#(<= ULTIMATE.start_main_~k~5 33), 20191#(<= ULTIMATE.start_main_~k~5 34), 20192#(<= ULTIMATE.start_main_~k~5 35), 20193#(<= ULTIMATE.start_main_~k~5 36), 20194#(<= ULTIMATE.start_main_~k~5 37), 20195#(<= ULTIMATE.start_main_~k~5 38), 20196#(<= ULTIMATE.start_main_~k~5 39), 20197#(<= ULTIMATE.start_main_~k~5 40), 20198#(<= ULTIMATE.start_main_~k~5 41), 20199#(<= ULTIMATE.start_main_~k~5 42), 20200#(<= ULTIMATE.start_main_~k~5 43), 20201#(<= ULTIMATE.start_main_~k~5 44), 20202#(<= ULTIMATE.start_main_~k~5 45), 20203#(<= ULTIMATE.start_main_~k~5 46), 20204#(<= ULTIMATE.start_main_~k~5 47), 20205#(<= ULTIMATE.start_main_~k~5 48), 20206#(<= ULTIMATE.start_main_~k~5 49), 20207#(<= ULTIMATE.start_main_~k~5 50), 20208#(<= ULTIMATE.start_main_~k~5 51), 20209#(<= ULTIMATE.start_main_~k~5 52), 20210#(<= ULTIMATE.start_main_~k~5 53), 20211#(<= ULTIMATE.start_main_~k~5 54), 20212#(<= ULTIMATE.start_main_~k~5 55), 20213#(<= ULTIMATE.start_main_~k~5 56), 20214#(<= ULTIMATE.start_main_~k~5 57), 20215#(<= ULTIMATE.start_main_~k~5 58), 20216#(<= ULTIMATE.start_main_~k~5 59), 20217#(<= ULTIMATE.start_main_~k~5 60), 20218#(<= ULTIMATE.start_main_~k~5 61), 20219#(<= ULTIMATE.start_main_~k~5 62), 20220#(<= ULTIMATE.start_main_~k~5 63), 20221#(<= ULTIMATE.start_main_~k~5 64), 20222#(<= ULTIMATE.start_main_~k~5 65), 20223#(<= ULTIMATE.start_main_~k~5 66)] [2018-07-23 13:40:56,198 INFO L134 CoverageAnalysis]: Checked inductivity of 3655 backedges. 0 proven. 3655 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2018-07-23 13:40:56,198 INFO L450 AbstractCegarLoop]: Interpolant automaton has 88 states [2018-07-23 13:40:56,199 INFO L132 InterpolantAutomaton]: Constructing interpolant automaton starting with 88 interpolants. [2018-07-23 13:40:56,200 INFO L133 InterpolantAutomaton]: CoverageRelationStatistics Valid=3828, Invalid=3828, Unknown=0, NotChecked=0, Total=7656 [2018-07-23 13:40:56,200 INFO L87 Difference]: Start difference. First operand 89 states and 89 transitions. Second operand 88 states. [2018-07-23 13:40:56,285 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2018-07-23 13:40:56,285 INFO L93 Difference]: Finished difference Result 92 states and 92 transitions. [2018-07-23 13:40:56,285 INFO L142 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 88 states. [2018-07-23 13:40:56,285 INFO L78 Accepts]: Start accepts. Automaton has 88 states. Word has length 88 [2018-07-23 13:40:56,286 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2018-07-23 13:40:56,286 INFO L225 Difference]: With dead ends: 92 [2018-07-23 13:40:56,287 INFO L226 Difference]: Without dead ends: 90 [2018-07-23 13:40:56,288 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 13:40:56,288 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 90 states. [2018-07-23 13:40:56,292 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 90 to 90. [2018-07-23 13:40:56,292 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 90 states. [2018-07-23 13:40:56,293 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 90 states to 90 states and 90 transitions. [2018-07-23 13:40:56,293 INFO L78 Accepts]: Start accepts. Automaton has 90 states and 90 transitions. Word has length 88 [2018-07-23 13:40:56,293 INFO L84 Accepts]: Finished accepts. word is rejected. [2018-07-23 13:40:56,294 INFO L471 AbstractCegarLoop]: Abstraction has 90 states and 90 transitions. [2018-07-23 13:40:56,294 INFO L472 AbstractCegarLoop]: Interpolant automaton has 88 states. [2018-07-23 13:40:56,294 INFO L276 IsEmpty]: Start isEmpty. Operand 90 states and 90 transitions. [2018-07-23 13:40:56,294 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 90 [2018-07-23 13:40:56,295 INFO L349 BasicCegarLoop]: Found error trace [2018-07-23 13:40:56,295 INFO L357 BasicCegarLoop]: trace histogram [86, 1, 1, 1] [2018-07-23 13:40:56,295 INFO L414 AbstractCegarLoop]: === Iteration 87 === [ULTIMATE.startErr0AssertViolationASSERT]=== [2018-07-23 13:40:56,296 INFO L82 PathProgramCache]: Analyzing trace with hash 158476001, now seen corresponding path program 86 times [2018-07-23 13:40:56,296 INFO L69 tionRefinementEngine]: Using refinement strategy FixedRefinementStrategy [2018-07-23 13:40:56,324 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-07-23 13:40:56,641 INFO L134 CoverageAnalysis]: Checked inductivity of 3741 backedges. 0 proven. 3741 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2018-07-23 13:40:56,641 INFO L309 seRefinementStrategy]: Constructing automaton from 0 perfect and 1 imperfect interpolant sequences. [2018-07-23 13:40:56,642 INFO L324 seRefinementStrategy]: Number of different interpolants: perfect sequences [] imperfect sequences [88] total 88 [2018-07-23 13:40:56,642 INFO L142 lantAutomatonBuilder]: Constructing canonical interpolant automaton, with selfloop in false state [2018-07-23 13:40:56,642 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2018-07-23 13:40:56,643 INFO L185 omatonBuilderFactory]: Interpolants [20608#false, 20609#(<= ULTIMATE.start_main_~k~5 0), 20610#(<= ULTIMATE.start_main_~k~5 1), 20611#(<= ULTIMATE.start_main_~k~5 2), 20612#(<= ULTIMATE.start_main_~k~5 3), 20613#(<= ULTIMATE.start_main_~k~5 4), 20614#(<= ULTIMATE.start_main_~k~5 5), 20615#(<= ULTIMATE.start_main_~k~5 6), 20616#(<= ULTIMATE.start_main_~k~5 7), 20617#(<= ULTIMATE.start_main_~k~5 8), 20618#(<= ULTIMATE.start_main_~k~5 9), 20619#(<= ULTIMATE.start_main_~k~5 10), 20620#(<= ULTIMATE.start_main_~k~5 11), 20621#(<= ULTIMATE.start_main_~k~5 12), 20622#(<= ULTIMATE.start_main_~k~5 13), 20623#(<= ULTIMATE.start_main_~k~5 14), 20624#(<= ULTIMATE.start_main_~k~5 15), 20625#(<= ULTIMATE.start_main_~k~5 16), 20626#(<= ULTIMATE.start_main_~k~5 17), 20627#(<= ULTIMATE.start_main_~k~5 18), 20628#(<= ULTIMATE.start_main_~k~5 19), 20629#(<= ULTIMATE.start_main_~k~5 20), 20630#(<= ULTIMATE.start_main_~k~5 21), 20631#(<= ULTIMATE.start_main_~k~5 22), 20632#(<= ULTIMATE.start_main_~k~5 23), 20633#(<= ULTIMATE.start_main_~k~5 24), 20634#(<= ULTIMATE.start_main_~k~5 25), 20635#(<= ULTIMATE.start_main_~k~5 26), 20636#(<= ULTIMATE.start_main_~k~5 27), 20637#(<= ULTIMATE.start_main_~k~5 28), 20638#(<= ULTIMATE.start_main_~k~5 29), 20639#(<= ULTIMATE.start_main_~k~5 30), 20640#(<= ULTIMATE.start_main_~k~5 31), 20641#(<= ULTIMATE.start_main_~k~5 32), 20642#(<= ULTIMATE.start_main_~k~5 33), 20643#(<= ULTIMATE.start_main_~k~5 34), 20644#(<= ULTIMATE.start_main_~k~5 35), 20645#(<= ULTIMATE.start_main_~k~5 36), 20646#(<= ULTIMATE.start_main_~k~5 37), 20647#(<= ULTIMATE.start_main_~k~5 38), 20648#(<= ULTIMATE.start_main_~k~5 39), 20649#(<= ULTIMATE.start_main_~k~5 40), 20650#(<= ULTIMATE.start_main_~k~5 41), 20651#(<= ULTIMATE.start_main_~k~5 42), 20652#(<= ULTIMATE.start_main_~k~5 43), 20653#(<= ULTIMATE.start_main_~k~5 44), 20654#(<= ULTIMATE.start_main_~k~5 45), 20655#(<= ULTIMATE.start_main_~k~5 46), 20656#(<= ULTIMATE.start_main_~k~5 47), 20657#(<= ULTIMATE.start_main_~k~5 48), 20658#(<= ULTIMATE.start_main_~k~5 49), 20659#(<= ULTIMATE.start_main_~k~5 50), 20660#(<= ULTIMATE.start_main_~k~5 51), 20661#(<= ULTIMATE.start_main_~k~5 52), 20662#(<= ULTIMATE.start_main_~k~5 53), 20663#(<= ULTIMATE.start_main_~k~5 54), 20664#(<= ULTIMATE.start_main_~k~5 55), 20665#(<= ULTIMATE.start_main_~k~5 56), 20666#(<= ULTIMATE.start_main_~k~5 57), 20667#(<= ULTIMATE.start_main_~k~5 58), 20668#(<= ULTIMATE.start_main_~k~5 59), 20669#(<= ULTIMATE.start_main_~k~5 60), 20670#(<= ULTIMATE.start_main_~k~5 61), 20671#(<= ULTIMATE.start_main_~k~5 62), 20672#(<= ULTIMATE.start_main_~k~5 63), 20673#(<= ULTIMATE.start_main_~k~5 64), 20674#(<= ULTIMATE.start_main_~k~5 65), 20675#(<= ULTIMATE.start_main_~k~5 66), 20676#(<= ULTIMATE.start_main_~k~5 67), 20677#(<= ULTIMATE.start_main_~k~5 68), 20678#(<= ULTIMATE.start_main_~k~5 69), 20679#(<= ULTIMATE.start_main_~k~5 70), 20680#(<= ULTIMATE.start_main_~k~5 71), 20681#(<= ULTIMATE.start_main_~k~5 72), 20682#(<= ULTIMATE.start_main_~k~5 73), 20683#(<= ULTIMATE.start_main_~k~5 74), 20684#(<= ULTIMATE.start_main_~k~5 75), 20685#(<= ULTIMATE.start_main_~k~5 76), 20686#(<= ULTIMATE.start_main_~k~5 77), 20687#(<= ULTIMATE.start_main_~k~5 78), 20688#(<= ULTIMATE.start_main_~k~5 79), 20689#(<= ULTIMATE.start_main_~k~5 80), 20690#(<= ULTIMATE.start_main_~k~5 81), 20691#(<= ULTIMATE.start_main_~k~5 82), 20692#(<= ULTIMATE.start_main_~k~5 83), 20693#(<= ULTIMATE.start_main_~k~5 84), 20694#(<= ULTIMATE.start_main_~k~5 85), 20695#(<= ULTIMATE.start_main_~k~5 86), 20607#true] [2018-07-23 13:40:56,643 INFO L134 CoverageAnalysis]: Checked inductivity of 3741 backedges. 0 proven. 3741 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2018-07-23 13:40:56,644 INFO L450 AbstractCegarLoop]: Interpolant automaton has 89 states [2018-07-23 13:40:56,646 INFO L132 InterpolantAutomaton]: Constructing interpolant automaton starting with 89 interpolants. [2018-07-23 13:40:56,647 INFO L133 InterpolantAutomaton]: CoverageRelationStatistics Valid=3916, Invalid=3916, Unknown=0, NotChecked=0, Total=7832 [2018-07-23 13:40:56,647 INFO L87 Difference]: Start difference. First operand 90 states and 90 transitions. Second operand 89 states. [2018-07-23 13:40:56,782 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2018-07-23 13:40:56,783 INFO L93 Difference]: Finished difference Result 93 states and 93 transitions. [2018-07-23 13:40:56,783 INFO L142 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 89 states. [2018-07-23 13:40:56,783 INFO L78 Accepts]: Start accepts. Automaton has 89 states. Word has length 89 [2018-07-23 13:40:56,783 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2018-07-23 13:40:56,784 INFO L225 Difference]: With dead ends: 93 [2018-07-23 13:40:56,784 INFO L226 Difference]: Without dead ends: 91 [2018-07-23 13:40:56,785 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 13:40:56,785 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 91 states. [2018-07-23 13:40:56,788 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 91 to 91. [2018-07-23 13:40:56,788 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 91 states. [2018-07-23 13:40:56,789 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 91 states to 91 states and 91 transitions. [2018-07-23 13:40:56,789 INFO L78 Accepts]: Start accepts. Automaton has 91 states and 91 transitions. Word has length 89 [2018-07-23 13:40:56,789 INFO L84 Accepts]: Finished accepts. word is rejected. [2018-07-23 13:40:56,789 INFO L471 AbstractCegarLoop]: Abstraction has 91 states and 91 transitions. [2018-07-23 13:40:56,790 INFO L472 AbstractCegarLoop]: Interpolant automaton has 89 states. [2018-07-23 13:40:56,790 INFO L276 IsEmpty]: Start isEmpty. Operand 91 states and 91 transitions. [2018-07-23 13:40:56,793 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 91 [2018-07-23 13:40:56,793 INFO L349 BasicCegarLoop]: Found error trace [2018-07-23 13:40:56,793 INFO L357 BasicCegarLoop]: trace histogram [87, 1, 1, 1] [2018-07-23 13:40:56,793 INFO L414 AbstractCegarLoop]: === Iteration 88 === [ULTIMATE.startErr0AssertViolationASSERT]=== [2018-07-23 13:40:56,793 INFO L82 PathProgramCache]: Analyzing trace with hash 617786760, now seen corresponding path program 87 times [2018-07-23 13:40:56,794 INFO L69 tionRefinementEngine]: Using refinement strategy FixedRefinementStrategy [2018-07-23 13:40:56,825 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-07-23 13:40:57,186 INFO L134 CoverageAnalysis]: Checked inductivity of 3828 backedges. 0 proven. 3828 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2018-07-23 13:40:57,186 INFO L309 seRefinementStrategy]: Constructing automaton from 0 perfect and 1 imperfect interpolant sequences. [2018-07-23 13:40:57,186 INFO L324 seRefinementStrategy]: Number of different interpolants: perfect sequences [] imperfect sequences [89] total 89 [2018-07-23 13:40:57,187 INFO L142 lantAutomatonBuilder]: Constructing canonical interpolant automaton, with selfloop in false state [2018-07-23 13:40:57,187 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2018-07-23 13:40:57,188 INFO L185 omatonBuilderFactory]: Interpolants [21120#(<= ULTIMATE.start_main_~k~5 54), 21121#(<= ULTIMATE.start_main_~k~5 55), 21122#(<= ULTIMATE.start_main_~k~5 56), 21123#(<= ULTIMATE.start_main_~k~5 57), 21124#(<= ULTIMATE.start_main_~k~5 58), 21125#(<= ULTIMATE.start_main_~k~5 59), 21126#(<= ULTIMATE.start_main_~k~5 60), 21127#(<= ULTIMATE.start_main_~k~5 61), 21128#(<= ULTIMATE.start_main_~k~5 62), 21129#(<= ULTIMATE.start_main_~k~5 63), 21130#(<= ULTIMATE.start_main_~k~5 64), 21131#(<= ULTIMATE.start_main_~k~5 65), 21132#(<= ULTIMATE.start_main_~k~5 66), 21133#(<= ULTIMATE.start_main_~k~5 67), 21134#(<= ULTIMATE.start_main_~k~5 68), 21135#(<= ULTIMATE.start_main_~k~5 69), 21136#(<= ULTIMATE.start_main_~k~5 70), 21137#(<= ULTIMATE.start_main_~k~5 71), 21138#(<= ULTIMATE.start_main_~k~5 72), 21139#(<= ULTIMATE.start_main_~k~5 73), 21140#(<= ULTIMATE.start_main_~k~5 74), 21141#(<= ULTIMATE.start_main_~k~5 75), 21142#(<= ULTIMATE.start_main_~k~5 76), 21143#(<= ULTIMATE.start_main_~k~5 77), 21144#(<= ULTIMATE.start_main_~k~5 78), 21145#(<= ULTIMATE.start_main_~k~5 79), 21146#(<= ULTIMATE.start_main_~k~5 80), 21147#(<= ULTIMATE.start_main_~k~5 81), 21148#(<= ULTIMATE.start_main_~k~5 82), 21149#(<= ULTIMATE.start_main_~k~5 83), 21150#(<= ULTIMATE.start_main_~k~5 84), 21151#(<= ULTIMATE.start_main_~k~5 85), 21152#(<= ULTIMATE.start_main_~k~5 86), 21153#(<= ULTIMATE.start_main_~k~5 87), 21064#true, 21065#false, 21066#(<= ULTIMATE.start_main_~k~5 0), 21067#(<= ULTIMATE.start_main_~k~5 1), 21068#(<= ULTIMATE.start_main_~k~5 2), 21069#(<= ULTIMATE.start_main_~k~5 3), 21070#(<= ULTIMATE.start_main_~k~5 4), 21071#(<= ULTIMATE.start_main_~k~5 5), 21072#(<= ULTIMATE.start_main_~k~5 6), 21073#(<= ULTIMATE.start_main_~k~5 7), 21074#(<= ULTIMATE.start_main_~k~5 8), 21075#(<= ULTIMATE.start_main_~k~5 9), 21076#(<= ULTIMATE.start_main_~k~5 10), 21077#(<= ULTIMATE.start_main_~k~5 11), 21078#(<= ULTIMATE.start_main_~k~5 12), 21079#(<= ULTIMATE.start_main_~k~5 13), 21080#(<= ULTIMATE.start_main_~k~5 14), 21081#(<= ULTIMATE.start_main_~k~5 15), 21082#(<= ULTIMATE.start_main_~k~5 16), 21083#(<= ULTIMATE.start_main_~k~5 17), 21084#(<= ULTIMATE.start_main_~k~5 18), 21085#(<= ULTIMATE.start_main_~k~5 19), 21086#(<= ULTIMATE.start_main_~k~5 20), 21087#(<= ULTIMATE.start_main_~k~5 21), 21088#(<= ULTIMATE.start_main_~k~5 22), 21089#(<= ULTIMATE.start_main_~k~5 23), 21090#(<= ULTIMATE.start_main_~k~5 24), 21091#(<= ULTIMATE.start_main_~k~5 25), 21092#(<= ULTIMATE.start_main_~k~5 26), 21093#(<= ULTIMATE.start_main_~k~5 27), 21094#(<= ULTIMATE.start_main_~k~5 28), 21095#(<= ULTIMATE.start_main_~k~5 29), 21096#(<= ULTIMATE.start_main_~k~5 30), 21097#(<= ULTIMATE.start_main_~k~5 31), 21098#(<= ULTIMATE.start_main_~k~5 32), 21099#(<= ULTIMATE.start_main_~k~5 33), 21100#(<= ULTIMATE.start_main_~k~5 34), 21101#(<= ULTIMATE.start_main_~k~5 35), 21102#(<= ULTIMATE.start_main_~k~5 36), 21103#(<= ULTIMATE.start_main_~k~5 37), 21104#(<= ULTIMATE.start_main_~k~5 38), 21105#(<= ULTIMATE.start_main_~k~5 39), 21106#(<= ULTIMATE.start_main_~k~5 40), 21107#(<= ULTIMATE.start_main_~k~5 41), 21108#(<= ULTIMATE.start_main_~k~5 42), 21109#(<= ULTIMATE.start_main_~k~5 43), 21110#(<= ULTIMATE.start_main_~k~5 44), 21111#(<= ULTIMATE.start_main_~k~5 45), 21112#(<= ULTIMATE.start_main_~k~5 46), 21113#(<= ULTIMATE.start_main_~k~5 47), 21114#(<= ULTIMATE.start_main_~k~5 48), 21115#(<= ULTIMATE.start_main_~k~5 49), 21116#(<= ULTIMATE.start_main_~k~5 50), 21117#(<= ULTIMATE.start_main_~k~5 51), 21118#(<= ULTIMATE.start_main_~k~5 52), 21119#(<= ULTIMATE.start_main_~k~5 53)] [2018-07-23 13:40:57,189 INFO L134 CoverageAnalysis]: Checked inductivity of 3828 backedges. 0 proven. 3828 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2018-07-23 13:40:57,189 INFO L450 AbstractCegarLoop]: Interpolant automaton has 90 states [2018-07-23 13:40:57,190 INFO L132 InterpolantAutomaton]: Constructing interpolant automaton starting with 90 interpolants. [2018-07-23 13:40:57,191 INFO L133 InterpolantAutomaton]: CoverageRelationStatistics Valid=4005, Invalid=4005, Unknown=0, NotChecked=0, Total=8010 [2018-07-23 13:40:57,192 INFO L87 Difference]: Start difference. First operand 91 states and 91 transitions. Second operand 90 states. [2018-07-23 13:40:57,264 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2018-07-23 13:40:57,264 INFO L93 Difference]: Finished difference Result 94 states and 94 transitions. [2018-07-23 13:40:57,264 INFO L142 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 90 states. [2018-07-23 13:40:57,264 INFO L78 Accepts]: Start accepts. Automaton has 90 states. Word has length 90 [2018-07-23 13:40:57,265 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2018-07-23 13:40:57,265 INFO L225 Difference]: With dead ends: 94 [2018-07-23 13:40:57,265 INFO L226 Difference]: Without dead ends: 92 [2018-07-23 13:40:57,267 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 13:40:57,267 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 92 states. [2018-07-23 13:40:57,270 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 92 to 92. [2018-07-23 13:40:57,270 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 92 states. [2018-07-23 13:40:57,270 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 92 states to 92 states and 92 transitions. [2018-07-23 13:40:57,270 INFO L78 Accepts]: Start accepts. Automaton has 92 states and 92 transitions. Word has length 90 [2018-07-23 13:40:57,271 INFO L84 Accepts]: Finished accepts. word is rejected. [2018-07-23 13:40:57,271 INFO L471 AbstractCegarLoop]: Abstraction has 92 states and 92 transitions. [2018-07-23 13:40:57,271 INFO L472 AbstractCegarLoop]: Interpolant automaton has 90 states. [2018-07-23 13:40:57,271 INFO L276 IsEmpty]: Start isEmpty. Operand 92 states and 92 transitions. [2018-07-23 13:40:57,272 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 92 [2018-07-23 13:40:57,272 INFO L349 BasicCegarLoop]: Found error trace [2018-07-23 13:40:57,272 INFO L357 BasicCegarLoop]: trace histogram [88, 1, 1, 1] [2018-07-23 13:40:57,272 INFO L414 AbstractCegarLoop]: === Iteration 89 === [ULTIMATE.startErr0AssertViolationASSERT]=== [2018-07-23 13:40:57,272 INFO L82 PathProgramCache]: Analyzing trace with hash 1971518401, now seen corresponding path program 88 times [2018-07-23 13:40:57,273 INFO L69 tionRefinementEngine]: Using refinement strategy FixedRefinementStrategy [2018-07-23 13:40:57,307 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-07-23 13:40:57,654 INFO L134 CoverageAnalysis]: Checked inductivity of 3916 backedges. 0 proven. 3916 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2018-07-23 13:40:57,654 INFO L309 seRefinementStrategy]: Constructing automaton from 0 perfect and 1 imperfect interpolant sequences. [2018-07-23 13:40:57,654 INFO L324 seRefinementStrategy]: Number of different interpolants: perfect sequences [] imperfect sequences [90] total 90 [2018-07-23 13:40:57,655 INFO L142 lantAutomatonBuilder]: Constructing canonical interpolant automaton, with selfloop in false state [2018-07-23 13:40:57,655 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2018-07-23 13:40:57,655 INFO L185 omatonBuilderFactory]: Interpolants [21526#true, 21527#false, 21528#(<= ULTIMATE.start_main_~k~5 0), 21529#(<= ULTIMATE.start_main_~k~5 1), 21530#(<= ULTIMATE.start_main_~k~5 2), 21531#(<= ULTIMATE.start_main_~k~5 3), 21532#(<= ULTIMATE.start_main_~k~5 4), 21533#(<= ULTIMATE.start_main_~k~5 5), 21534#(<= ULTIMATE.start_main_~k~5 6), 21535#(<= ULTIMATE.start_main_~k~5 7), 21536#(<= ULTIMATE.start_main_~k~5 8), 21537#(<= ULTIMATE.start_main_~k~5 9), 21538#(<= ULTIMATE.start_main_~k~5 10), 21539#(<= ULTIMATE.start_main_~k~5 11), 21540#(<= ULTIMATE.start_main_~k~5 12), 21541#(<= ULTIMATE.start_main_~k~5 13), 21542#(<= ULTIMATE.start_main_~k~5 14), 21543#(<= ULTIMATE.start_main_~k~5 15), 21544#(<= ULTIMATE.start_main_~k~5 16), 21545#(<= ULTIMATE.start_main_~k~5 17), 21546#(<= ULTIMATE.start_main_~k~5 18), 21547#(<= ULTIMATE.start_main_~k~5 19), 21548#(<= ULTIMATE.start_main_~k~5 20), 21549#(<= ULTIMATE.start_main_~k~5 21), 21550#(<= ULTIMATE.start_main_~k~5 22), 21551#(<= ULTIMATE.start_main_~k~5 23), 21552#(<= ULTIMATE.start_main_~k~5 24), 21553#(<= ULTIMATE.start_main_~k~5 25), 21554#(<= ULTIMATE.start_main_~k~5 26), 21555#(<= ULTIMATE.start_main_~k~5 27), 21556#(<= ULTIMATE.start_main_~k~5 28), 21557#(<= ULTIMATE.start_main_~k~5 29), 21558#(<= ULTIMATE.start_main_~k~5 30), 21559#(<= ULTIMATE.start_main_~k~5 31), 21560#(<= ULTIMATE.start_main_~k~5 32), 21561#(<= ULTIMATE.start_main_~k~5 33), 21562#(<= ULTIMATE.start_main_~k~5 34), 21563#(<= ULTIMATE.start_main_~k~5 35), 21564#(<= ULTIMATE.start_main_~k~5 36), 21565#(<= ULTIMATE.start_main_~k~5 37), 21566#(<= ULTIMATE.start_main_~k~5 38), 21567#(<= ULTIMATE.start_main_~k~5 39), 21568#(<= ULTIMATE.start_main_~k~5 40), 21569#(<= ULTIMATE.start_main_~k~5 41), 21570#(<= ULTIMATE.start_main_~k~5 42), 21571#(<= ULTIMATE.start_main_~k~5 43), 21572#(<= ULTIMATE.start_main_~k~5 44), 21573#(<= ULTIMATE.start_main_~k~5 45), 21574#(<= ULTIMATE.start_main_~k~5 46), 21575#(<= ULTIMATE.start_main_~k~5 47), 21576#(<= ULTIMATE.start_main_~k~5 48), 21577#(<= ULTIMATE.start_main_~k~5 49), 21578#(<= ULTIMATE.start_main_~k~5 50), 21579#(<= ULTIMATE.start_main_~k~5 51), 21580#(<= ULTIMATE.start_main_~k~5 52), 21581#(<= ULTIMATE.start_main_~k~5 53), 21582#(<= ULTIMATE.start_main_~k~5 54), 21583#(<= ULTIMATE.start_main_~k~5 55), 21584#(<= ULTIMATE.start_main_~k~5 56), 21585#(<= ULTIMATE.start_main_~k~5 57), 21586#(<= ULTIMATE.start_main_~k~5 58), 21587#(<= ULTIMATE.start_main_~k~5 59), 21588#(<= ULTIMATE.start_main_~k~5 60), 21589#(<= ULTIMATE.start_main_~k~5 61), 21590#(<= ULTIMATE.start_main_~k~5 62), 21591#(<= ULTIMATE.start_main_~k~5 63), 21592#(<= ULTIMATE.start_main_~k~5 64), 21593#(<= ULTIMATE.start_main_~k~5 65), 21594#(<= ULTIMATE.start_main_~k~5 66), 21595#(<= ULTIMATE.start_main_~k~5 67), 21596#(<= ULTIMATE.start_main_~k~5 68), 21597#(<= ULTIMATE.start_main_~k~5 69), 21598#(<= ULTIMATE.start_main_~k~5 70), 21599#(<= ULTIMATE.start_main_~k~5 71), 21600#(<= ULTIMATE.start_main_~k~5 72), 21601#(<= ULTIMATE.start_main_~k~5 73), 21602#(<= ULTIMATE.start_main_~k~5 74), 21603#(<= ULTIMATE.start_main_~k~5 75), 21604#(<= ULTIMATE.start_main_~k~5 76), 21605#(<= ULTIMATE.start_main_~k~5 77), 21606#(<= ULTIMATE.start_main_~k~5 78), 21607#(<= ULTIMATE.start_main_~k~5 79), 21608#(<= ULTIMATE.start_main_~k~5 80), 21609#(<= ULTIMATE.start_main_~k~5 81), 21610#(<= ULTIMATE.start_main_~k~5 82), 21611#(<= ULTIMATE.start_main_~k~5 83), 21612#(<= ULTIMATE.start_main_~k~5 84), 21613#(<= ULTIMATE.start_main_~k~5 85), 21614#(<= ULTIMATE.start_main_~k~5 86), 21615#(<= ULTIMATE.start_main_~k~5 87), 21616#(<= ULTIMATE.start_main_~k~5 88)] [2018-07-23 13:40:57,656 INFO L134 CoverageAnalysis]: Checked inductivity of 3916 backedges. 0 proven. 3916 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2018-07-23 13:40:57,656 INFO L450 AbstractCegarLoop]: Interpolant automaton has 91 states [2018-07-23 13:40:57,657 INFO L132 InterpolantAutomaton]: Constructing interpolant automaton starting with 91 interpolants. [2018-07-23 13:40:57,658 INFO L133 InterpolantAutomaton]: CoverageRelationStatistics Valid=4095, Invalid=4095, Unknown=0, NotChecked=0, Total=8190 [2018-07-23 13:40:57,658 INFO L87 Difference]: Start difference. First operand 92 states and 92 transitions. Second operand 91 states. [2018-07-23 13:40:57,777 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2018-07-23 13:40:57,777 INFO L93 Difference]: Finished difference Result 95 states and 95 transitions. [2018-07-23 13:40:57,777 INFO L142 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 91 states. [2018-07-23 13:40:57,777 INFO L78 Accepts]: Start accepts. Automaton has 91 states. Word has length 91 [2018-07-23 13:40:57,778 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2018-07-23 13:40:57,778 INFO L225 Difference]: With dead ends: 95 [2018-07-23 13:40:57,778 INFO L226 Difference]: Without dead ends: 93 [2018-07-23 13:40:57,779 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 13:40:57,780 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 93 states. [2018-07-23 13:40:57,782 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 93 to 93. [2018-07-23 13:40:57,782 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 93 states. [2018-07-23 13:40:57,782 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 93 states to 93 states and 93 transitions. [2018-07-23 13:40:57,782 INFO L78 Accepts]: Start accepts. Automaton has 93 states and 93 transitions. Word has length 91 [2018-07-23 13:40:57,783 INFO L84 Accepts]: Finished accepts. word is rejected. [2018-07-23 13:40:57,783 INFO L471 AbstractCegarLoop]: Abstraction has 93 states and 93 transitions. [2018-07-23 13:40:57,783 INFO L472 AbstractCegarLoop]: Interpolant automaton has 91 states. [2018-07-23 13:40:57,783 INFO L276 IsEmpty]: Start isEmpty. Operand 93 states and 93 transitions. [2018-07-23 13:40:57,784 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 93 [2018-07-23 13:40:57,784 INFO L349 BasicCegarLoop]: Found error trace [2018-07-23 13:40:57,784 INFO L357 BasicCegarLoop]: trace histogram [89, 1, 1, 1] [2018-07-23 13:40:57,784 INFO L414 AbstractCegarLoop]: === Iteration 90 === [ULTIMATE.startErr0AssertViolationASSERT]=== [2018-07-23 13:40:57,784 INFO L82 PathProgramCache]: Analyzing trace with hash 987526312, now seen corresponding path program 89 times [2018-07-23 13:40:57,785 INFO L69 tionRefinementEngine]: Using refinement strategy FixedRefinementStrategy [2018-07-23 13:40:57,814 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-07-23 13:40:58,108 INFO L134 CoverageAnalysis]: Checked inductivity of 4005 backedges. 0 proven. 4005 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2018-07-23 13:40:58,108 INFO L309 seRefinementStrategy]: Constructing automaton from 0 perfect and 1 imperfect interpolant sequences. [2018-07-23 13:40:58,108 INFO L324 seRefinementStrategy]: Number of different interpolants: perfect sequences [] imperfect sequences [91] total 91 [2018-07-23 13:40:58,108 INFO L142 lantAutomatonBuilder]: Constructing canonical interpolant automaton, with selfloop in false state [2018-07-23 13:40:58,109 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2018-07-23 13:40:58,109 INFO L185 omatonBuilderFactory]: Interpolants [22016#(<= ULTIMATE.start_main_~k~5 21), 22017#(<= ULTIMATE.start_main_~k~5 22), 22018#(<= ULTIMATE.start_main_~k~5 23), 22019#(<= ULTIMATE.start_main_~k~5 24), 22020#(<= ULTIMATE.start_main_~k~5 25), 22021#(<= ULTIMATE.start_main_~k~5 26), 22022#(<= ULTIMATE.start_main_~k~5 27), 22023#(<= ULTIMATE.start_main_~k~5 28), 22024#(<= ULTIMATE.start_main_~k~5 29), 22025#(<= ULTIMATE.start_main_~k~5 30), 22026#(<= ULTIMATE.start_main_~k~5 31), 22027#(<= ULTIMATE.start_main_~k~5 32), 22028#(<= ULTIMATE.start_main_~k~5 33), 22029#(<= ULTIMATE.start_main_~k~5 34), 22030#(<= ULTIMATE.start_main_~k~5 35), 22031#(<= ULTIMATE.start_main_~k~5 36), 22032#(<= ULTIMATE.start_main_~k~5 37), 22033#(<= ULTIMATE.start_main_~k~5 38), 22034#(<= ULTIMATE.start_main_~k~5 39), 22035#(<= ULTIMATE.start_main_~k~5 40), 22036#(<= ULTIMATE.start_main_~k~5 41), 22037#(<= ULTIMATE.start_main_~k~5 42), 22038#(<= ULTIMATE.start_main_~k~5 43), 22039#(<= ULTIMATE.start_main_~k~5 44), 22040#(<= ULTIMATE.start_main_~k~5 45), 22041#(<= ULTIMATE.start_main_~k~5 46), 22042#(<= ULTIMATE.start_main_~k~5 47), 22043#(<= ULTIMATE.start_main_~k~5 48), 22044#(<= ULTIMATE.start_main_~k~5 49), 22045#(<= ULTIMATE.start_main_~k~5 50), 22046#(<= ULTIMATE.start_main_~k~5 51), 22047#(<= ULTIMATE.start_main_~k~5 52), 22048#(<= ULTIMATE.start_main_~k~5 53), 22049#(<= ULTIMATE.start_main_~k~5 54), 22050#(<= ULTIMATE.start_main_~k~5 55), 22051#(<= ULTIMATE.start_main_~k~5 56), 22052#(<= ULTIMATE.start_main_~k~5 57), 22053#(<= ULTIMATE.start_main_~k~5 58), 22054#(<= ULTIMATE.start_main_~k~5 59), 22055#(<= ULTIMATE.start_main_~k~5 60), 22056#(<= ULTIMATE.start_main_~k~5 61), 22057#(<= ULTIMATE.start_main_~k~5 62), 22058#(<= ULTIMATE.start_main_~k~5 63), 22059#(<= ULTIMATE.start_main_~k~5 64), 22060#(<= ULTIMATE.start_main_~k~5 65), 22061#(<= ULTIMATE.start_main_~k~5 66), 22062#(<= ULTIMATE.start_main_~k~5 67), 22063#(<= ULTIMATE.start_main_~k~5 68), 22064#(<= ULTIMATE.start_main_~k~5 69), 22065#(<= ULTIMATE.start_main_~k~5 70), 22066#(<= ULTIMATE.start_main_~k~5 71), 22067#(<= ULTIMATE.start_main_~k~5 72), 22068#(<= ULTIMATE.start_main_~k~5 73), 22069#(<= ULTIMATE.start_main_~k~5 74), 22070#(<= ULTIMATE.start_main_~k~5 75), 22071#(<= ULTIMATE.start_main_~k~5 76), 22072#(<= ULTIMATE.start_main_~k~5 77), 22073#(<= ULTIMATE.start_main_~k~5 78), 22074#(<= ULTIMATE.start_main_~k~5 79), 22075#(<= ULTIMATE.start_main_~k~5 80), 22076#(<= ULTIMATE.start_main_~k~5 81), 22077#(<= ULTIMATE.start_main_~k~5 82), 22078#(<= ULTIMATE.start_main_~k~5 83), 22079#(<= ULTIMATE.start_main_~k~5 84), 22080#(<= ULTIMATE.start_main_~k~5 85), 22081#(<= ULTIMATE.start_main_~k~5 86), 22082#(<= ULTIMATE.start_main_~k~5 87), 22083#(<= ULTIMATE.start_main_~k~5 88), 22084#(<= ULTIMATE.start_main_~k~5 89), 21993#true, 21994#false, 21995#(<= ULTIMATE.start_main_~k~5 0), 21996#(<= ULTIMATE.start_main_~k~5 1), 21997#(<= ULTIMATE.start_main_~k~5 2), 21998#(<= ULTIMATE.start_main_~k~5 3), 21999#(<= ULTIMATE.start_main_~k~5 4), 22000#(<= ULTIMATE.start_main_~k~5 5), 22001#(<= ULTIMATE.start_main_~k~5 6), 22002#(<= ULTIMATE.start_main_~k~5 7), 22003#(<= ULTIMATE.start_main_~k~5 8), 22004#(<= ULTIMATE.start_main_~k~5 9), 22005#(<= ULTIMATE.start_main_~k~5 10), 22006#(<= ULTIMATE.start_main_~k~5 11), 22007#(<= ULTIMATE.start_main_~k~5 12), 22008#(<= ULTIMATE.start_main_~k~5 13), 22009#(<= ULTIMATE.start_main_~k~5 14), 22010#(<= ULTIMATE.start_main_~k~5 15), 22011#(<= ULTIMATE.start_main_~k~5 16), 22012#(<= ULTIMATE.start_main_~k~5 17), 22013#(<= ULTIMATE.start_main_~k~5 18), 22014#(<= ULTIMATE.start_main_~k~5 19), 22015#(<= ULTIMATE.start_main_~k~5 20)] [2018-07-23 13:40:58,110 INFO L134 CoverageAnalysis]: Checked inductivity of 4005 backedges. 0 proven. 4005 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2018-07-23 13:40:58,110 INFO L450 AbstractCegarLoop]: Interpolant automaton has 92 states [2018-07-23 13:40:58,111 INFO L132 InterpolantAutomaton]: Constructing interpolant automaton starting with 92 interpolants. [2018-07-23 13:40:58,112 INFO L133 InterpolantAutomaton]: CoverageRelationStatistics Valid=4186, Invalid=4186, Unknown=0, NotChecked=0, Total=8372 [2018-07-23 13:40:58,112 INFO L87 Difference]: Start difference. First operand 93 states and 93 transitions. Second operand 92 states. [2018-07-23 13:40:58,206 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2018-07-23 13:40:58,207 INFO L93 Difference]: Finished difference Result 96 states and 96 transitions. [2018-07-23 13:40:58,207 INFO L142 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 92 states. [2018-07-23 13:40:58,207 INFO L78 Accepts]: Start accepts. Automaton has 92 states. Word has length 92 [2018-07-23 13:40:58,207 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2018-07-23 13:40:58,208 INFO L225 Difference]: With dead ends: 96 [2018-07-23 13:40:58,208 INFO L226 Difference]: Without dead ends: 94 [2018-07-23 13:40:58,209 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 13:40:58,209 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 94 states. [2018-07-23 13:40:58,212 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 94 to 94. [2018-07-23 13:40:58,212 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 94 states. [2018-07-23 13:40:58,212 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 94 states to 94 states and 94 transitions. [2018-07-23 13:40:58,212 INFO L78 Accepts]: Start accepts. Automaton has 94 states and 94 transitions. Word has length 92 [2018-07-23 13:40:58,213 INFO L84 Accepts]: Finished accepts. word is rejected. [2018-07-23 13:40:58,213 INFO L471 AbstractCegarLoop]: Abstraction has 94 states and 94 transitions. [2018-07-23 13:40:58,213 INFO L472 AbstractCegarLoop]: Interpolant automaton has 92 states. [2018-07-23 13:40:58,213 INFO L276 IsEmpty]: Start isEmpty. Operand 94 states and 94 transitions. [2018-07-23 13:40:58,214 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 94 [2018-07-23 13:40:58,214 INFO L349 BasicCegarLoop]: Found error trace [2018-07-23 13:40:58,214 INFO L357 BasicCegarLoop]: trace histogram [90, 1, 1, 1] [2018-07-23 13:40:58,214 INFO L414 AbstractCegarLoop]: === Iteration 91 === [ULTIMATE.startErr0AssertViolationASSERT]=== [2018-07-23 13:40:58,214 INFO L82 PathProgramCache]: Analyzing trace with hash 548542625, now seen corresponding path program 90 times [2018-07-23 13:40:58,216 INFO L69 tionRefinementEngine]: Using refinement strategy FixedRefinementStrategy [2018-07-23 13:40:58,248 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-07-23 13:40:58,600 INFO L134 CoverageAnalysis]: Checked inductivity of 4095 backedges. 0 proven. 4095 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2018-07-23 13:40:58,600 INFO L309 seRefinementStrategy]: Constructing automaton from 0 perfect and 1 imperfect interpolant sequences. [2018-07-23 13:40:58,601 INFO L324 seRefinementStrategy]: Number of different interpolants: perfect sequences [] imperfect sequences [92] total 92 [2018-07-23 13:40:58,601 INFO L142 lantAutomatonBuilder]: Constructing canonical interpolant automaton, with selfloop in false state [2018-07-23 13:40:58,601 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 13:40:58,602 INFO L185 omatonBuilderFactory]: Interpolants [22528#(<= ULTIMATE.start_main_~k~5 61), 22529#(<= ULTIMATE.start_main_~k~5 62), 22530#(<= ULTIMATE.start_main_~k~5 63), 22531#(<= ULTIMATE.start_main_~k~5 64), 22532#(<= ULTIMATE.start_main_~k~5 65), 22533#(<= ULTIMATE.start_main_~k~5 66), 22534#(<= ULTIMATE.start_main_~k~5 67), 22535#(<= ULTIMATE.start_main_~k~5 68), 22536#(<= ULTIMATE.start_main_~k~5 69), 22537#(<= ULTIMATE.start_main_~k~5 70), 22538#(<= ULTIMATE.start_main_~k~5 71), 22539#(<= ULTIMATE.start_main_~k~5 72), 22540#(<= ULTIMATE.start_main_~k~5 73), 22541#(<= ULTIMATE.start_main_~k~5 74), 22542#(<= ULTIMATE.start_main_~k~5 75), 22543#(<= ULTIMATE.start_main_~k~5 76), 22544#(<= ULTIMATE.start_main_~k~5 77), 22545#(<= ULTIMATE.start_main_~k~5 78), 22546#(<= ULTIMATE.start_main_~k~5 79), 22547#(<= ULTIMATE.start_main_~k~5 80), 22548#(<= ULTIMATE.start_main_~k~5 81), 22549#(<= ULTIMATE.start_main_~k~5 82), 22550#(<= ULTIMATE.start_main_~k~5 83), 22551#(<= ULTIMATE.start_main_~k~5 84), 22552#(<= ULTIMATE.start_main_~k~5 85), 22553#(<= ULTIMATE.start_main_~k~5 86), 22554#(<= ULTIMATE.start_main_~k~5 87), 22555#(<= ULTIMATE.start_main_~k~5 88), 22556#(<= ULTIMATE.start_main_~k~5 89), 22557#(<= ULTIMATE.start_main_~k~5 90), 22465#true, 22466#false, 22467#(<= ULTIMATE.start_main_~k~5 0), 22468#(<= ULTIMATE.start_main_~k~5 1), 22469#(<= ULTIMATE.start_main_~k~5 2), 22470#(<= ULTIMATE.start_main_~k~5 3), 22471#(<= ULTIMATE.start_main_~k~5 4), 22472#(<= ULTIMATE.start_main_~k~5 5), 22473#(<= ULTIMATE.start_main_~k~5 6), 22474#(<= ULTIMATE.start_main_~k~5 7), 22475#(<= ULTIMATE.start_main_~k~5 8), 22476#(<= ULTIMATE.start_main_~k~5 9), 22477#(<= ULTIMATE.start_main_~k~5 10), 22478#(<= ULTIMATE.start_main_~k~5 11), 22479#(<= ULTIMATE.start_main_~k~5 12), 22480#(<= ULTIMATE.start_main_~k~5 13), 22481#(<= ULTIMATE.start_main_~k~5 14), 22482#(<= ULTIMATE.start_main_~k~5 15), 22483#(<= ULTIMATE.start_main_~k~5 16), 22484#(<= ULTIMATE.start_main_~k~5 17), 22485#(<= ULTIMATE.start_main_~k~5 18), 22486#(<= ULTIMATE.start_main_~k~5 19), 22487#(<= ULTIMATE.start_main_~k~5 20), 22488#(<= ULTIMATE.start_main_~k~5 21), 22489#(<= ULTIMATE.start_main_~k~5 22), 22490#(<= ULTIMATE.start_main_~k~5 23), 22491#(<= ULTIMATE.start_main_~k~5 24), 22492#(<= ULTIMATE.start_main_~k~5 25), 22493#(<= ULTIMATE.start_main_~k~5 26), 22494#(<= ULTIMATE.start_main_~k~5 27), 22495#(<= ULTIMATE.start_main_~k~5 28), 22496#(<= ULTIMATE.start_main_~k~5 29), 22497#(<= ULTIMATE.start_main_~k~5 30), 22498#(<= ULTIMATE.start_main_~k~5 31), 22499#(<= ULTIMATE.start_main_~k~5 32), 22500#(<= ULTIMATE.start_main_~k~5 33), 22501#(<= ULTIMATE.start_main_~k~5 34), 22502#(<= ULTIMATE.start_main_~k~5 35), 22503#(<= ULTIMATE.start_main_~k~5 36), 22504#(<= ULTIMATE.start_main_~k~5 37), 22505#(<= ULTIMATE.start_main_~k~5 38), 22506#(<= ULTIMATE.start_main_~k~5 39), 22507#(<= ULTIMATE.start_main_~k~5 40), 22508#(<= ULTIMATE.start_main_~k~5 41), 22509#(<= ULTIMATE.start_main_~k~5 42), 22510#(<= ULTIMATE.start_main_~k~5 43), 22511#(<= ULTIMATE.start_main_~k~5 44), 22512#(<= ULTIMATE.start_main_~k~5 45), 22513#(<= ULTIMATE.start_main_~k~5 46), 22514#(<= ULTIMATE.start_main_~k~5 47), 22515#(<= ULTIMATE.start_main_~k~5 48), 22516#(<= ULTIMATE.start_main_~k~5 49), 22517#(<= ULTIMATE.start_main_~k~5 50), 22518#(<= ULTIMATE.start_main_~k~5 51), 22519#(<= ULTIMATE.start_main_~k~5 52), 22520#(<= ULTIMATE.start_main_~k~5 53), 22521#(<= ULTIMATE.start_main_~k~5 54), 22522#(<= ULTIMATE.start_main_~k~5 55), 22523#(<= ULTIMATE.start_main_~k~5 56), 22524#(<= ULTIMATE.start_main_~k~5 57), 22525#(<= ULTIMATE.start_main_~k~5 58), 22526#(<= ULTIMATE.start_main_~k~5 59), 22527#(<= ULTIMATE.start_main_~k~5 60)] [2018-07-23 13:40:58,602 INFO L134 CoverageAnalysis]: Checked inductivity of 4095 backedges. 0 proven. 4095 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2018-07-23 13:40:58,602 INFO L450 AbstractCegarLoop]: Interpolant automaton has 93 states [2018-07-23 13:40:58,603 INFO L132 InterpolantAutomaton]: Constructing interpolant automaton starting with 93 interpolants. [2018-07-23 13:40:58,604 INFO L133 InterpolantAutomaton]: CoverageRelationStatistics Valid=4278, Invalid=4278, Unknown=0, NotChecked=0, Total=8556 [2018-07-23 13:40:58,604 INFO L87 Difference]: Start difference. First operand 94 states and 94 transitions. Second operand 93 states. [2018-07-23 13:40:58,675 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2018-07-23 13:40:58,676 INFO L93 Difference]: Finished difference Result 97 states and 97 transitions. [2018-07-23 13:40:58,676 INFO L142 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 93 states. [2018-07-23 13:40:58,676 INFO L78 Accepts]: Start accepts. Automaton has 93 states. Word has length 93 [2018-07-23 13:40:58,676 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2018-07-23 13:40:58,677 INFO L225 Difference]: With dead ends: 97 [2018-07-23 13:40:58,677 INFO L226 Difference]: Without dead ends: 95 [2018-07-23 13:40:58,678 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 13:40:58,678 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 95 states. [2018-07-23 13:40:58,680 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 95 to 95. [2018-07-23 13:40:58,680 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 95 states. [2018-07-23 13:40:58,681 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 95 states to 95 states and 95 transitions. [2018-07-23 13:40:58,681 INFO L78 Accepts]: Start accepts. Automaton has 95 states and 95 transitions. Word has length 93 [2018-07-23 13:40:58,681 INFO L84 Accepts]: Finished accepts. word is rejected. [2018-07-23 13:40:58,683 INFO L471 AbstractCegarLoop]: Abstraction has 95 states and 95 transitions. [2018-07-23 13:40:58,683 INFO L472 AbstractCegarLoop]: Interpolant automaton has 93 states. [2018-07-23 13:40:58,684 INFO L276 IsEmpty]: Start isEmpty. Operand 95 states and 95 transitions. [2018-07-23 13:40:58,684 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 95 [2018-07-23 13:40:58,684 INFO L349 BasicCegarLoop]: Found error trace [2018-07-23 13:40:58,685 INFO L357 BasicCegarLoop]: trace histogram [91, 1, 1, 1] [2018-07-23 13:40:58,685 INFO L414 AbstractCegarLoop]: === Iteration 92 === [ULTIMATE.startErr0AssertViolationASSERT]=== [2018-07-23 13:40:58,685 INFO L82 PathProgramCache]: Analyzing trace with hash -175049784, now seen corresponding path program 91 times [2018-07-23 13:40:58,685 INFO L69 tionRefinementEngine]: Using refinement strategy FixedRefinementStrategy [2018-07-23 13:40:58,721 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-07-23 13:40:59,110 INFO L134 CoverageAnalysis]: Checked inductivity of 4186 backedges. 0 proven. 4186 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2018-07-23 13:40:59,111 INFO L309 seRefinementStrategy]: Constructing automaton from 0 perfect and 1 imperfect interpolant sequences. [2018-07-23 13:40:59,111 INFO L324 seRefinementStrategy]: Number of different interpolants: perfect sequences [] imperfect sequences [93] total 93 [2018-07-23 13:40:59,111 INFO L142 lantAutomatonBuilder]: Constructing canonical interpolant automaton, with selfloop in false state [2018-07-23 13:40:59,112 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2018-07-23 13:40:59,112 INFO L185 omatonBuilderFactory]: Interpolants [22942#true, 22943#false, 22944#(<= ULTIMATE.start_main_~k~5 0), 22945#(<= ULTIMATE.start_main_~k~5 1), 22946#(<= ULTIMATE.start_main_~k~5 2), 22947#(<= ULTIMATE.start_main_~k~5 3), 22948#(<= ULTIMATE.start_main_~k~5 4), 22949#(<= ULTIMATE.start_main_~k~5 5), 22950#(<= ULTIMATE.start_main_~k~5 6), 22951#(<= ULTIMATE.start_main_~k~5 7), 22952#(<= ULTIMATE.start_main_~k~5 8), 22953#(<= ULTIMATE.start_main_~k~5 9), 22954#(<= ULTIMATE.start_main_~k~5 10), 22955#(<= ULTIMATE.start_main_~k~5 11), 22956#(<= ULTIMATE.start_main_~k~5 12), 22957#(<= ULTIMATE.start_main_~k~5 13), 22958#(<= ULTIMATE.start_main_~k~5 14), 22959#(<= ULTIMATE.start_main_~k~5 15), 22960#(<= ULTIMATE.start_main_~k~5 16), 22961#(<= ULTIMATE.start_main_~k~5 17), 22962#(<= ULTIMATE.start_main_~k~5 18), 22963#(<= ULTIMATE.start_main_~k~5 19), 22964#(<= ULTIMATE.start_main_~k~5 20), 22965#(<= ULTIMATE.start_main_~k~5 21), 22966#(<= ULTIMATE.start_main_~k~5 22), 22967#(<= ULTIMATE.start_main_~k~5 23), 22968#(<= ULTIMATE.start_main_~k~5 24), 22969#(<= ULTIMATE.start_main_~k~5 25), 22970#(<= ULTIMATE.start_main_~k~5 26), 22971#(<= ULTIMATE.start_main_~k~5 27), 22972#(<= ULTIMATE.start_main_~k~5 28), 22973#(<= ULTIMATE.start_main_~k~5 29), 22974#(<= ULTIMATE.start_main_~k~5 30), 22975#(<= ULTIMATE.start_main_~k~5 31), 22976#(<= ULTIMATE.start_main_~k~5 32), 22977#(<= ULTIMATE.start_main_~k~5 33), 22978#(<= ULTIMATE.start_main_~k~5 34), 22979#(<= ULTIMATE.start_main_~k~5 35), 22980#(<= ULTIMATE.start_main_~k~5 36), 22981#(<= ULTIMATE.start_main_~k~5 37), 22982#(<= ULTIMATE.start_main_~k~5 38), 22983#(<= ULTIMATE.start_main_~k~5 39), 22984#(<= ULTIMATE.start_main_~k~5 40), 22985#(<= ULTIMATE.start_main_~k~5 41), 22986#(<= ULTIMATE.start_main_~k~5 42), 22987#(<= ULTIMATE.start_main_~k~5 43), 22988#(<= ULTIMATE.start_main_~k~5 44), 22989#(<= ULTIMATE.start_main_~k~5 45), 22990#(<= ULTIMATE.start_main_~k~5 46), 22991#(<= ULTIMATE.start_main_~k~5 47), 22992#(<= ULTIMATE.start_main_~k~5 48), 22993#(<= ULTIMATE.start_main_~k~5 49), 22994#(<= ULTIMATE.start_main_~k~5 50), 22995#(<= ULTIMATE.start_main_~k~5 51), 22996#(<= ULTIMATE.start_main_~k~5 52), 22997#(<= ULTIMATE.start_main_~k~5 53), 22998#(<= ULTIMATE.start_main_~k~5 54), 22999#(<= ULTIMATE.start_main_~k~5 55), 23000#(<= ULTIMATE.start_main_~k~5 56), 23001#(<= ULTIMATE.start_main_~k~5 57), 23002#(<= ULTIMATE.start_main_~k~5 58), 23003#(<= ULTIMATE.start_main_~k~5 59), 23004#(<= ULTIMATE.start_main_~k~5 60), 23005#(<= ULTIMATE.start_main_~k~5 61), 23006#(<= ULTIMATE.start_main_~k~5 62), 23007#(<= ULTIMATE.start_main_~k~5 63), 23008#(<= ULTIMATE.start_main_~k~5 64), 23009#(<= ULTIMATE.start_main_~k~5 65), 23010#(<= ULTIMATE.start_main_~k~5 66), 23011#(<= ULTIMATE.start_main_~k~5 67), 23012#(<= ULTIMATE.start_main_~k~5 68), 23013#(<= ULTIMATE.start_main_~k~5 69), 23014#(<= ULTIMATE.start_main_~k~5 70), 23015#(<= ULTIMATE.start_main_~k~5 71), 23016#(<= ULTIMATE.start_main_~k~5 72), 23017#(<= ULTIMATE.start_main_~k~5 73), 23018#(<= ULTIMATE.start_main_~k~5 74), 23019#(<= ULTIMATE.start_main_~k~5 75), 23020#(<= ULTIMATE.start_main_~k~5 76), 23021#(<= ULTIMATE.start_main_~k~5 77), 23022#(<= ULTIMATE.start_main_~k~5 78), 23023#(<= ULTIMATE.start_main_~k~5 79), 23024#(<= ULTIMATE.start_main_~k~5 80), 23025#(<= ULTIMATE.start_main_~k~5 81), 23026#(<= ULTIMATE.start_main_~k~5 82), 23027#(<= ULTIMATE.start_main_~k~5 83), 23028#(<= ULTIMATE.start_main_~k~5 84), 23029#(<= ULTIMATE.start_main_~k~5 85), 23030#(<= ULTIMATE.start_main_~k~5 86), 23031#(<= ULTIMATE.start_main_~k~5 87), 23032#(<= ULTIMATE.start_main_~k~5 88), 23033#(<= ULTIMATE.start_main_~k~5 89), 23034#(<= ULTIMATE.start_main_~k~5 90), 23035#(<= ULTIMATE.start_main_~k~5 91)] [2018-07-23 13:40:59,113 INFO L134 CoverageAnalysis]: Checked inductivity of 4186 backedges. 0 proven. 4186 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2018-07-23 13:40:59,113 INFO L450 AbstractCegarLoop]: Interpolant automaton has 94 states [2018-07-23 13:40:59,115 INFO L132 InterpolantAutomaton]: Constructing interpolant automaton starting with 94 interpolants. [2018-07-23 13:40:59,115 INFO L133 InterpolantAutomaton]: CoverageRelationStatistics Valid=4371, Invalid=4371, Unknown=0, NotChecked=0, Total=8742 [2018-07-23 13:40:59,116 INFO L87 Difference]: Start difference. First operand 95 states and 95 transitions. Second operand 94 states. [2018-07-23 13:40:59,255 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2018-07-23 13:40:59,255 INFO L93 Difference]: Finished difference Result 98 states and 98 transitions. [2018-07-23 13:40:59,255 INFO L142 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 94 states. [2018-07-23 13:40:59,255 INFO L78 Accepts]: Start accepts. Automaton has 94 states. Word has length 94 [2018-07-23 13:40:59,256 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2018-07-23 13:40:59,256 INFO L225 Difference]: With dead ends: 98 [2018-07-23 13:40:59,256 INFO L226 Difference]: Without dead ends: 96 [2018-07-23 13:40:59,257 INFO L575 BasicCegarLoop]: 0 DeclaredPredicates, 93 GetRequests, 1 SyntacticMatches, 0 SemanticMatches, 92 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 0 ImplicationChecksByTransitivity, 0.3s TimeCoverageRelationStatistics Valid=4371, Invalid=4371, Unknown=0, NotChecked=0, Total=8742 [2018-07-23 13:40:59,258 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 96 states. [2018-07-23 13:40:59,261 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 96 to 96. [2018-07-23 13:40:59,261 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 96 states. [2018-07-23 13:40:59,262 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 96 states to 96 states and 96 transitions. [2018-07-23 13:40:59,262 INFO L78 Accepts]: Start accepts. Automaton has 96 states and 96 transitions. Word has length 94 [2018-07-23 13:40:59,262 INFO L84 Accepts]: Finished accepts. word is rejected. [2018-07-23 13:40:59,262 INFO L471 AbstractCegarLoop]: Abstraction has 96 states and 96 transitions. [2018-07-23 13:40:59,262 INFO L472 AbstractCegarLoop]: Interpolant automaton has 94 states. [2018-07-23 13:40:59,262 INFO L276 IsEmpty]: Start isEmpty. Operand 96 states and 96 transitions. [2018-07-23 13:40:59,263 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 96 [2018-07-23 13:40:59,263 INFO L349 BasicCegarLoop]: Found error trace [2018-07-23 13:40:59,263 INFO L357 BasicCegarLoop]: trace histogram [92, 1, 1, 1] [2018-07-23 13:40:59,264 INFO L414 AbstractCegarLoop]: === Iteration 93 === [ULTIMATE.startErr0AssertViolationASSERT]=== [2018-07-23 13:40:59,264 INFO L82 PathProgramCache]: Analyzing trace with hash -1131577983, now seen corresponding path program 92 times [2018-07-23 13:40:59,264 INFO L69 tionRefinementEngine]: Using refinement strategy FixedRefinementStrategy [2018-07-23 13:40:59,307 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-07-23 13:40:59,801 INFO L134 CoverageAnalysis]: Checked inductivity of 4278 backedges. 0 proven. 4278 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2018-07-23 13:40:59,801 INFO L309 seRefinementStrategy]: Constructing automaton from 0 perfect and 1 imperfect interpolant sequences. [2018-07-23 13:40:59,801 INFO L324 seRefinementStrategy]: Number of different interpolants: perfect sequences [] imperfect sequences [94] total 94 [2018-07-23 13:40:59,802 INFO L142 lantAutomatonBuilder]: Constructing canonical interpolant automaton, with selfloop in false state [2018-07-23 13:40:59,802 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2018-07-23 13:40:59,802 INFO L185 omatonBuilderFactory]: Interpolants [23424#true, 23425#false, 23426#(<= ULTIMATE.start_main_~k~5 0), 23427#(<= ULTIMATE.start_main_~k~5 1), 23428#(<= ULTIMATE.start_main_~k~5 2), 23429#(<= ULTIMATE.start_main_~k~5 3), 23430#(<= ULTIMATE.start_main_~k~5 4), 23431#(<= ULTIMATE.start_main_~k~5 5), 23432#(<= ULTIMATE.start_main_~k~5 6), 23433#(<= ULTIMATE.start_main_~k~5 7), 23434#(<= ULTIMATE.start_main_~k~5 8), 23435#(<= ULTIMATE.start_main_~k~5 9), 23436#(<= ULTIMATE.start_main_~k~5 10), 23437#(<= ULTIMATE.start_main_~k~5 11), 23438#(<= ULTIMATE.start_main_~k~5 12), 23439#(<= ULTIMATE.start_main_~k~5 13), 23440#(<= ULTIMATE.start_main_~k~5 14), 23441#(<= ULTIMATE.start_main_~k~5 15), 23442#(<= ULTIMATE.start_main_~k~5 16), 23443#(<= ULTIMATE.start_main_~k~5 17), 23444#(<= ULTIMATE.start_main_~k~5 18), 23445#(<= ULTIMATE.start_main_~k~5 19), 23446#(<= ULTIMATE.start_main_~k~5 20), 23447#(<= ULTIMATE.start_main_~k~5 21), 23448#(<= ULTIMATE.start_main_~k~5 22), 23449#(<= ULTIMATE.start_main_~k~5 23), 23450#(<= ULTIMATE.start_main_~k~5 24), 23451#(<= ULTIMATE.start_main_~k~5 25), 23452#(<= ULTIMATE.start_main_~k~5 26), 23453#(<= ULTIMATE.start_main_~k~5 27), 23454#(<= ULTIMATE.start_main_~k~5 28), 23455#(<= ULTIMATE.start_main_~k~5 29), 23456#(<= ULTIMATE.start_main_~k~5 30), 23457#(<= ULTIMATE.start_main_~k~5 31), 23458#(<= ULTIMATE.start_main_~k~5 32), 23459#(<= ULTIMATE.start_main_~k~5 33), 23460#(<= ULTIMATE.start_main_~k~5 34), 23461#(<= ULTIMATE.start_main_~k~5 35), 23462#(<= ULTIMATE.start_main_~k~5 36), 23463#(<= ULTIMATE.start_main_~k~5 37), 23464#(<= ULTIMATE.start_main_~k~5 38), 23465#(<= ULTIMATE.start_main_~k~5 39), 23466#(<= ULTIMATE.start_main_~k~5 40), 23467#(<= ULTIMATE.start_main_~k~5 41), 23468#(<= ULTIMATE.start_main_~k~5 42), 23469#(<= ULTIMATE.start_main_~k~5 43), 23470#(<= ULTIMATE.start_main_~k~5 44), 23471#(<= ULTIMATE.start_main_~k~5 45), 23472#(<= ULTIMATE.start_main_~k~5 46), 23473#(<= ULTIMATE.start_main_~k~5 47), 23474#(<= ULTIMATE.start_main_~k~5 48), 23475#(<= ULTIMATE.start_main_~k~5 49), 23476#(<= ULTIMATE.start_main_~k~5 50), 23477#(<= ULTIMATE.start_main_~k~5 51), 23478#(<= ULTIMATE.start_main_~k~5 52), 23479#(<= ULTIMATE.start_main_~k~5 53), 23480#(<= ULTIMATE.start_main_~k~5 54), 23481#(<= ULTIMATE.start_main_~k~5 55), 23482#(<= ULTIMATE.start_main_~k~5 56), 23483#(<= ULTIMATE.start_main_~k~5 57), 23484#(<= ULTIMATE.start_main_~k~5 58), 23485#(<= ULTIMATE.start_main_~k~5 59), 23486#(<= ULTIMATE.start_main_~k~5 60), 23487#(<= ULTIMATE.start_main_~k~5 61), 23488#(<= ULTIMATE.start_main_~k~5 62), 23489#(<= ULTIMATE.start_main_~k~5 63), 23490#(<= ULTIMATE.start_main_~k~5 64), 23491#(<= ULTIMATE.start_main_~k~5 65), 23492#(<= ULTIMATE.start_main_~k~5 66), 23493#(<= ULTIMATE.start_main_~k~5 67), 23494#(<= ULTIMATE.start_main_~k~5 68), 23495#(<= ULTIMATE.start_main_~k~5 69), 23496#(<= ULTIMATE.start_main_~k~5 70), 23497#(<= ULTIMATE.start_main_~k~5 71), 23498#(<= ULTIMATE.start_main_~k~5 72), 23499#(<= ULTIMATE.start_main_~k~5 73), 23500#(<= ULTIMATE.start_main_~k~5 74), 23501#(<= ULTIMATE.start_main_~k~5 75), 23502#(<= ULTIMATE.start_main_~k~5 76), 23503#(<= ULTIMATE.start_main_~k~5 77), 23504#(<= ULTIMATE.start_main_~k~5 78), 23505#(<= ULTIMATE.start_main_~k~5 79), 23506#(<= ULTIMATE.start_main_~k~5 80), 23507#(<= ULTIMATE.start_main_~k~5 81), 23508#(<= ULTIMATE.start_main_~k~5 82), 23509#(<= ULTIMATE.start_main_~k~5 83), 23510#(<= ULTIMATE.start_main_~k~5 84), 23511#(<= ULTIMATE.start_main_~k~5 85), 23512#(<= ULTIMATE.start_main_~k~5 86), 23513#(<= ULTIMATE.start_main_~k~5 87), 23514#(<= ULTIMATE.start_main_~k~5 88), 23515#(<= ULTIMATE.start_main_~k~5 89), 23516#(<= ULTIMATE.start_main_~k~5 90), 23517#(<= ULTIMATE.start_main_~k~5 91), 23518#(<= ULTIMATE.start_main_~k~5 92)] [2018-07-23 13:40:59,804 INFO L134 CoverageAnalysis]: Checked inductivity of 4278 backedges. 0 proven. 4278 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2018-07-23 13:40:59,804 INFO L450 AbstractCegarLoop]: Interpolant automaton has 95 states [2018-07-23 13:40:59,806 INFO L132 InterpolantAutomaton]: Constructing interpolant automaton starting with 95 interpolants. [2018-07-23 13:40:59,806 INFO L133 InterpolantAutomaton]: CoverageRelationStatistics Valid=4465, Invalid=4465, Unknown=0, NotChecked=0, Total=8930 [2018-07-23 13:40:59,807 INFO L87 Difference]: Start difference. First operand 96 states and 96 transitions. Second operand 95 states. [2018-07-23 13:40:59,961 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2018-07-23 13:40:59,961 INFO L93 Difference]: Finished difference Result 99 states and 99 transitions. [2018-07-23 13:40:59,961 INFO L142 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 95 states. [2018-07-23 13:40:59,961 INFO L78 Accepts]: Start accepts. Automaton has 95 states. Word has length 95 [2018-07-23 13:40:59,962 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2018-07-23 13:40:59,962 INFO L225 Difference]: With dead ends: 99 [2018-07-23 13:40:59,962 INFO L226 Difference]: Without dead ends: 97 [2018-07-23 13:40:59,963 INFO L575 BasicCegarLoop]: 0 DeclaredPredicates, 94 GetRequests, 1 SyntacticMatches, 0 SemanticMatches, 93 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 0 ImplicationChecksByTransitivity, 0.4s TimeCoverageRelationStatistics Valid=4465, Invalid=4465, Unknown=0, NotChecked=0, Total=8930 [2018-07-23 13:40:59,963 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 97 states. [2018-07-23 13:40:59,966 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 97 to 97. [2018-07-23 13:40:59,967 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 97 states. [2018-07-23 13:40:59,967 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 97 states to 97 states and 97 transitions. [2018-07-23 13:40:59,967 INFO L78 Accepts]: Start accepts. Automaton has 97 states and 97 transitions. Word has length 95 [2018-07-23 13:40:59,968 INFO L84 Accepts]: Finished accepts. word is rejected. [2018-07-23 13:40:59,968 INFO L471 AbstractCegarLoop]: Abstraction has 97 states and 97 transitions. [2018-07-23 13:40:59,968 INFO L472 AbstractCegarLoop]: Interpolant automaton has 95 states. [2018-07-23 13:40:59,968 INFO L276 IsEmpty]: Start isEmpty. Operand 97 states and 97 transitions. [2018-07-23 13:40:59,969 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 97 [2018-07-23 13:40:59,969 INFO L349 BasicCegarLoop]: Found error trace [2018-07-23 13:40:59,969 INFO L357 BasicCegarLoop]: trace histogram [93, 1, 1, 1] [2018-07-23 13:40:59,969 INFO L414 AbstractCegarLoop]: === Iteration 94 === [ULTIMATE.startErr0AssertViolationASSERT]=== [2018-07-23 13:40:59,969 INFO L82 PathProgramCache]: Analyzing trace with hash -719181080, now seen corresponding path program 93 times [2018-07-23 13:40:59,970 INFO L69 tionRefinementEngine]: Using refinement strategy FixedRefinementStrategy [2018-07-23 13:41:00,026 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-07-23 13:41:00,416 INFO L134 CoverageAnalysis]: Checked inductivity of 4371 backedges. 0 proven. 4371 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2018-07-23 13:41:00,416 INFO L309 seRefinementStrategy]: Constructing automaton from 0 perfect and 1 imperfect interpolant sequences. [2018-07-23 13:41:00,416 INFO L324 seRefinementStrategy]: Number of different interpolants: perfect sequences [] imperfect sequences [95] total 95 [2018-07-23 13:41:00,417 INFO L142 lantAutomatonBuilder]: Constructing canonical interpolant automaton, with selfloop in false state [2018-07-23 13:41:00,417 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 13:41:00,417 INFO L185 omatonBuilderFactory]: Interpolants [23936#(<= ULTIMATE.start_main_~k~5 23), 23937#(<= ULTIMATE.start_main_~k~5 24), 23938#(<= ULTIMATE.start_main_~k~5 25), 23939#(<= ULTIMATE.start_main_~k~5 26), 23940#(<= ULTIMATE.start_main_~k~5 27), 23941#(<= ULTIMATE.start_main_~k~5 28), 23942#(<= ULTIMATE.start_main_~k~5 29), 23943#(<= ULTIMATE.start_main_~k~5 30), 23944#(<= ULTIMATE.start_main_~k~5 31), 23945#(<= ULTIMATE.start_main_~k~5 32), 23946#(<= ULTIMATE.start_main_~k~5 33), 23947#(<= ULTIMATE.start_main_~k~5 34), 23948#(<= ULTIMATE.start_main_~k~5 35), 23949#(<= ULTIMATE.start_main_~k~5 36), 23950#(<= ULTIMATE.start_main_~k~5 37), 23951#(<= ULTIMATE.start_main_~k~5 38), 23952#(<= ULTIMATE.start_main_~k~5 39), 23953#(<= ULTIMATE.start_main_~k~5 40), 23954#(<= ULTIMATE.start_main_~k~5 41), 23955#(<= ULTIMATE.start_main_~k~5 42), 23956#(<= ULTIMATE.start_main_~k~5 43), 23957#(<= ULTIMATE.start_main_~k~5 44), 23958#(<= ULTIMATE.start_main_~k~5 45), 23959#(<= ULTIMATE.start_main_~k~5 46), 23960#(<= ULTIMATE.start_main_~k~5 47), 23961#(<= ULTIMATE.start_main_~k~5 48), 23962#(<= ULTIMATE.start_main_~k~5 49), 23963#(<= ULTIMATE.start_main_~k~5 50), 23964#(<= ULTIMATE.start_main_~k~5 51), 23965#(<= ULTIMATE.start_main_~k~5 52), 23966#(<= ULTIMATE.start_main_~k~5 53), 23967#(<= ULTIMATE.start_main_~k~5 54), 23968#(<= ULTIMATE.start_main_~k~5 55), 23969#(<= ULTIMATE.start_main_~k~5 56), 23970#(<= ULTIMATE.start_main_~k~5 57), 23971#(<= ULTIMATE.start_main_~k~5 58), 23972#(<= ULTIMATE.start_main_~k~5 59), 23973#(<= ULTIMATE.start_main_~k~5 60), 23974#(<= ULTIMATE.start_main_~k~5 61), 23975#(<= ULTIMATE.start_main_~k~5 62), 23976#(<= ULTIMATE.start_main_~k~5 63), 23977#(<= ULTIMATE.start_main_~k~5 64), 23978#(<= ULTIMATE.start_main_~k~5 65), 23979#(<= ULTIMATE.start_main_~k~5 66), 23980#(<= ULTIMATE.start_main_~k~5 67), 23981#(<= ULTIMATE.start_main_~k~5 68), 23982#(<= ULTIMATE.start_main_~k~5 69), 23983#(<= ULTIMATE.start_main_~k~5 70), 23984#(<= ULTIMATE.start_main_~k~5 71), 23985#(<= ULTIMATE.start_main_~k~5 72), 23986#(<= ULTIMATE.start_main_~k~5 73), 23987#(<= ULTIMATE.start_main_~k~5 74), 23988#(<= ULTIMATE.start_main_~k~5 75), 23989#(<= ULTIMATE.start_main_~k~5 76), 23990#(<= ULTIMATE.start_main_~k~5 77), 23991#(<= ULTIMATE.start_main_~k~5 78), 23992#(<= ULTIMATE.start_main_~k~5 79), 23993#(<= ULTIMATE.start_main_~k~5 80), 23994#(<= ULTIMATE.start_main_~k~5 81), 23995#(<= ULTIMATE.start_main_~k~5 82), 23996#(<= ULTIMATE.start_main_~k~5 83), 23997#(<= ULTIMATE.start_main_~k~5 84), 23998#(<= ULTIMATE.start_main_~k~5 85), 23999#(<= ULTIMATE.start_main_~k~5 86), 24000#(<= ULTIMATE.start_main_~k~5 87), 24001#(<= ULTIMATE.start_main_~k~5 88), 24002#(<= ULTIMATE.start_main_~k~5 89), 24003#(<= ULTIMATE.start_main_~k~5 90), 24004#(<= ULTIMATE.start_main_~k~5 91), 24005#(<= ULTIMATE.start_main_~k~5 92), 24006#(<= ULTIMATE.start_main_~k~5 93), 23911#true, 23912#false, 23913#(<= ULTIMATE.start_main_~k~5 0), 23914#(<= ULTIMATE.start_main_~k~5 1), 23915#(<= ULTIMATE.start_main_~k~5 2), 23916#(<= ULTIMATE.start_main_~k~5 3), 23917#(<= ULTIMATE.start_main_~k~5 4), 23918#(<= ULTIMATE.start_main_~k~5 5), 23919#(<= ULTIMATE.start_main_~k~5 6), 23920#(<= ULTIMATE.start_main_~k~5 7), 23921#(<= ULTIMATE.start_main_~k~5 8), 23922#(<= ULTIMATE.start_main_~k~5 9), 23923#(<= ULTIMATE.start_main_~k~5 10), 23924#(<= ULTIMATE.start_main_~k~5 11), 23925#(<= ULTIMATE.start_main_~k~5 12), 23926#(<= ULTIMATE.start_main_~k~5 13), 23927#(<= ULTIMATE.start_main_~k~5 14), 23928#(<= ULTIMATE.start_main_~k~5 15), 23929#(<= ULTIMATE.start_main_~k~5 16), 23930#(<= ULTIMATE.start_main_~k~5 17), 23931#(<= ULTIMATE.start_main_~k~5 18), 23932#(<= ULTIMATE.start_main_~k~5 19), 23933#(<= ULTIMATE.start_main_~k~5 20), 23934#(<= ULTIMATE.start_main_~k~5 21), 23935#(<= ULTIMATE.start_main_~k~5 22)] [2018-07-23 13:41:00,418 INFO L134 CoverageAnalysis]: Checked inductivity of 4371 backedges. 0 proven. 4371 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2018-07-23 13:41:00,419 INFO L450 AbstractCegarLoop]: Interpolant automaton has 96 states [2018-07-23 13:41:00,420 INFO L132 InterpolantAutomaton]: Constructing interpolant automaton starting with 96 interpolants. [2018-07-23 13:41:00,420 INFO L133 InterpolantAutomaton]: CoverageRelationStatistics Valid=4560, Invalid=4560, Unknown=0, NotChecked=0, Total=9120 [2018-07-23 13:41:00,420 INFO L87 Difference]: Start difference. First operand 97 states and 97 transitions. Second operand 96 states. [2018-07-23 13:41:00,525 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2018-07-23 13:41:00,525 INFO L93 Difference]: Finished difference Result 100 states and 100 transitions. [2018-07-23 13:41:00,526 INFO L142 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 96 states. [2018-07-23 13:41:00,526 INFO L78 Accepts]: Start accepts. Automaton has 96 states. Word has length 96 [2018-07-23 13:41:00,526 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2018-07-23 13:41:00,527 INFO L225 Difference]: With dead ends: 100 [2018-07-23 13:41:00,527 INFO L226 Difference]: Without dead ends: 98 [2018-07-23 13:41:00,528 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 13:41:00,528 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 98 states. [2018-07-23 13:41:00,530 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 98 to 98. [2018-07-23 13:41:00,530 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 98 states. [2018-07-23 13:41:00,531 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 98 states to 98 states and 98 transitions. [2018-07-23 13:41:00,531 INFO L78 Accepts]: Start accepts. Automaton has 98 states and 98 transitions. Word has length 96 [2018-07-23 13:41:00,531 INFO L84 Accepts]: Finished accepts. word is rejected. [2018-07-23 13:41:00,531 INFO L471 AbstractCegarLoop]: Abstraction has 98 states and 98 transitions. [2018-07-23 13:41:00,531 INFO L472 AbstractCegarLoop]: Interpolant automaton has 96 states. [2018-07-23 13:41:00,531 INFO L276 IsEmpty]: Start isEmpty. Operand 98 states and 98 transitions. [2018-07-23 13:41:00,532 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 98 [2018-07-23 13:41:00,532 INFO L349 BasicCegarLoop]: Found error trace [2018-07-23 13:41:00,532 INFO L357 BasicCegarLoop]: trace histogram [94, 1, 1, 1] [2018-07-23 13:41:00,532 INFO L414 AbstractCegarLoop]: === Iteration 95 === [ULTIMATE.startErr0AssertViolationASSERT]=== [2018-07-23 13:41:00,533 INFO L82 PathProgramCache]: Analyzing trace with hash -819778975, now seen corresponding path program 94 times [2018-07-23 13:41:00,533 INFO L69 tionRefinementEngine]: Using refinement strategy FixedRefinementStrategy [2018-07-23 13:41:00,564 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-07-23 13:41:00,926 INFO L134 CoverageAnalysis]: Checked inductivity of 4465 backedges. 0 proven. 4465 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2018-07-23 13:41:00,926 INFO L309 seRefinementStrategy]: Constructing automaton from 0 perfect and 1 imperfect interpolant sequences. [2018-07-23 13:41:00,926 INFO L324 seRefinementStrategy]: Number of different interpolants: perfect sequences [] imperfect sequences [96] total 96 [2018-07-23 13:41:00,926 INFO L142 lantAutomatonBuilder]: Constructing canonical interpolant automaton, with selfloop in false state [2018-07-23 13:41:00,927 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2018-07-23 13:41:00,927 INFO L185 omatonBuilderFactory]: Interpolants [24403#true, 24404#false, 24405#(<= ULTIMATE.start_main_~k~5 0), 24406#(<= ULTIMATE.start_main_~k~5 1), 24407#(<= ULTIMATE.start_main_~k~5 2), 24408#(<= ULTIMATE.start_main_~k~5 3), 24409#(<= ULTIMATE.start_main_~k~5 4), 24410#(<= ULTIMATE.start_main_~k~5 5), 24411#(<= ULTIMATE.start_main_~k~5 6), 24412#(<= ULTIMATE.start_main_~k~5 7), 24413#(<= ULTIMATE.start_main_~k~5 8), 24414#(<= ULTIMATE.start_main_~k~5 9), 24415#(<= ULTIMATE.start_main_~k~5 10), 24416#(<= ULTIMATE.start_main_~k~5 11), 24417#(<= ULTIMATE.start_main_~k~5 12), 24418#(<= ULTIMATE.start_main_~k~5 13), 24419#(<= ULTIMATE.start_main_~k~5 14), 24420#(<= ULTIMATE.start_main_~k~5 15), 24421#(<= ULTIMATE.start_main_~k~5 16), 24422#(<= ULTIMATE.start_main_~k~5 17), 24423#(<= ULTIMATE.start_main_~k~5 18), 24424#(<= ULTIMATE.start_main_~k~5 19), 24425#(<= ULTIMATE.start_main_~k~5 20), 24426#(<= ULTIMATE.start_main_~k~5 21), 24427#(<= ULTIMATE.start_main_~k~5 22), 24428#(<= ULTIMATE.start_main_~k~5 23), 24429#(<= ULTIMATE.start_main_~k~5 24), 24430#(<= ULTIMATE.start_main_~k~5 25), 24431#(<= ULTIMATE.start_main_~k~5 26), 24432#(<= ULTIMATE.start_main_~k~5 27), 24433#(<= ULTIMATE.start_main_~k~5 28), 24434#(<= ULTIMATE.start_main_~k~5 29), 24435#(<= ULTIMATE.start_main_~k~5 30), 24436#(<= ULTIMATE.start_main_~k~5 31), 24437#(<= ULTIMATE.start_main_~k~5 32), 24438#(<= ULTIMATE.start_main_~k~5 33), 24439#(<= ULTIMATE.start_main_~k~5 34), 24440#(<= ULTIMATE.start_main_~k~5 35), 24441#(<= ULTIMATE.start_main_~k~5 36), 24442#(<= ULTIMATE.start_main_~k~5 37), 24443#(<= ULTIMATE.start_main_~k~5 38), 24444#(<= ULTIMATE.start_main_~k~5 39), 24445#(<= ULTIMATE.start_main_~k~5 40), 24446#(<= ULTIMATE.start_main_~k~5 41), 24447#(<= ULTIMATE.start_main_~k~5 42), 24448#(<= ULTIMATE.start_main_~k~5 43), 24449#(<= ULTIMATE.start_main_~k~5 44), 24450#(<= ULTIMATE.start_main_~k~5 45), 24451#(<= ULTIMATE.start_main_~k~5 46), 24452#(<= ULTIMATE.start_main_~k~5 47), 24453#(<= ULTIMATE.start_main_~k~5 48), 24454#(<= ULTIMATE.start_main_~k~5 49), 24455#(<= ULTIMATE.start_main_~k~5 50), 24456#(<= ULTIMATE.start_main_~k~5 51), 24457#(<= ULTIMATE.start_main_~k~5 52), 24458#(<= ULTIMATE.start_main_~k~5 53), 24459#(<= ULTIMATE.start_main_~k~5 54), 24460#(<= ULTIMATE.start_main_~k~5 55), 24461#(<= ULTIMATE.start_main_~k~5 56), 24462#(<= ULTIMATE.start_main_~k~5 57), 24463#(<= ULTIMATE.start_main_~k~5 58), 24464#(<= ULTIMATE.start_main_~k~5 59), 24465#(<= ULTIMATE.start_main_~k~5 60), 24466#(<= ULTIMATE.start_main_~k~5 61), 24467#(<= ULTIMATE.start_main_~k~5 62), 24468#(<= ULTIMATE.start_main_~k~5 63), 24469#(<= ULTIMATE.start_main_~k~5 64), 24470#(<= ULTIMATE.start_main_~k~5 65), 24471#(<= ULTIMATE.start_main_~k~5 66), 24472#(<= ULTIMATE.start_main_~k~5 67), 24473#(<= ULTIMATE.start_main_~k~5 68), 24474#(<= ULTIMATE.start_main_~k~5 69), 24475#(<= ULTIMATE.start_main_~k~5 70), 24476#(<= ULTIMATE.start_main_~k~5 71), 24477#(<= ULTIMATE.start_main_~k~5 72), 24478#(<= ULTIMATE.start_main_~k~5 73), 24479#(<= ULTIMATE.start_main_~k~5 74), 24480#(<= ULTIMATE.start_main_~k~5 75), 24481#(<= ULTIMATE.start_main_~k~5 76), 24482#(<= ULTIMATE.start_main_~k~5 77), 24483#(<= ULTIMATE.start_main_~k~5 78), 24484#(<= ULTIMATE.start_main_~k~5 79), 24485#(<= ULTIMATE.start_main_~k~5 80), 24486#(<= ULTIMATE.start_main_~k~5 81), 24487#(<= ULTIMATE.start_main_~k~5 82), 24488#(<= ULTIMATE.start_main_~k~5 83), 24489#(<= ULTIMATE.start_main_~k~5 84), 24490#(<= ULTIMATE.start_main_~k~5 85), 24491#(<= ULTIMATE.start_main_~k~5 86), 24492#(<= ULTIMATE.start_main_~k~5 87), 24493#(<= ULTIMATE.start_main_~k~5 88), 24494#(<= ULTIMATE.start_main_~k~5 89), 24495#(<= ULTIMATE.start_main_~k~5 90), 24496#(<= ULTIMATE.start_main_~k~5 91), 24497#(<= ULTIMATE.start_main_~k~5 92), 24498#(<= ULTIMATE.start_main_~k~5 93), 24499#(<= ULTIMATE.start_main_~k~5 94)] [2018-07-23 13:41:00,928 INFO L134 CoverageAnalysis]: Checked inductivity of 4465 backedges. 0 proven. 4465 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2018-07-23 13:41:00,928 INFO L450 AbstractCegarLoop]: Interpolant automaton has 97 states [2018-07-23 13:41:00,929 INFO L132 InterpolantAutomaton]: Constructing interpolant automaton starting with 97 interpolants. [2018-07-23 13:41:00,930 INFO L133 InterpolantAutomaton]: CoverageRelationStatistics Valid=4656, Invalid=4656, Unknown=0, NotChecked=0, Total=9312 [2018-07-23 13:41:00,930 INFO L87 Difference]: Start difference. First operand 98 states and 98 transitions. Second operand 97 states. [2018-07-23 13:41:01,013 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2018-07-23 13:41:01,013 INFO L93 Difference]: Finished difference Result 101 states and 101 transitions. [2018-07-23 13:41:01,014 INFO L142 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 97 states. [2018-07-23 13:41:01,014 INFO L78 Accepts]: Start accepts. Automaton has 97 states. Word has length 97 [2018-07-23 13:41:01,014 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2018-07-23 13:41:01,015 INFO L225 Difference]: With dead ends: 101 [2018-07-23 13:41:01,015 INFO L226 Difference]: Without dead ends: 99 [2018-07-23 13:41:01,016 INFO L575 BasicCegarLoop]: 0 DeclaredPredicates, 96 GetRequests, 1 SyntacticMatches, 0 SemanticMatches, 95 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 0 ImplicationChecksByTransitivity, 0.3s TimeCoverageRelationStatistics Valid=4656, Invalid=4656, Unknown=0, NotChecked=0, Total=9312 [2018-07-23 13:41:01,016 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 99 states. [2018-07-23 13:41:01,018 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 99 to 99. [2018-07-23 13:41:01,018 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 99 states. [2018-07-23 13:41:01,019 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 99 states to 99 states and 99 transitions. [2018-07-23 13:41:01,019 INFO L78 Accepts]: Start accepts. Automaton has 99 states and 99 transitions. Word has length 97 [2018-07-23 13:41:01,019 INFO L84 Accepts]: Finished accepts. word is rejected. [2018-07-23 13:41:01,019 INFO L471 AbstractCegarLoop]: Abstraction has 99 states and 99 transitions. [2018-07-23 13:41:01,019 INFO L472 AbstractCegarLoop]: Interpolant automaton has 97 states. [2018-07-23 13:41:01,019 INFO L276 IsEmpty]: Start isEmpty. Operand 99 states and 99 transitions. [2018-07-23 13:41:01,020 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 99 [2018-07-23 13:41:01,020 INFO L349 BasicCegarLoop]: Found error trace [2018-07-23 13:41:01,020 INFO L357 BasicCegarLoop]: trace histogram [95, 1, 1, 1] [2018-07-23 13:41:01,020 INFO L414 AbstractCegarLoop]: === Iteration 96 === [ULTIMATE.startErr0AssertViolationASSERT]=== [2018-07-23 13:41:01,021 INFO L82 PathProgramCache]: Analyzing trace with hash 356653576, now seen corresponding path program 95 times [2018-07-23 13:41:01,021 INFO L69 tionRefinementEngine]: Using refinement strategy FixedRefinementStrategy [2018-07-23 13:41:01,053 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-07-23 13:41:01,361 INFO L134 CoverageAnalysis]: Checked inductivity of 4560 backedges. 0 proven. 4560 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2018-07-23 13:41:01,362 INFO L309 seRefinementStrategy]: Constructing automaton from 0 perfect and 1 imperfect interpolant sequences. [2018-07-23 13:41:01,362 INFO L324 seRefinementStrategy]: Number of different interpolants: perfect sequences [] imperfect sequences [97] total 97 [2018-07-23 13:41:01,362 INFO L142 lantAutomatonBuilder]: Constructing canonical interpolant automaton, with selfloop in false state [2018-07-23 13:41:01,362 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 13:41:01,363 INFO L185 omatonBuilderFactory]: Interpolants [24900#true, 24901#false, 24902#(<= ULTIMATE.start_main_~k~5 0), 24903#(<= ULTIMATE.start_main_~k~5 1), 24904#(<= ULTIMATE.start_main_~k~5 2), 24905#(<= ULTIMATE.start_main_~k~5 3), 24906#(<= ULTIMATE.start_main_~k~5 4), 24907#(<= ULTIMATE.start_main_~k~5 5), 24908#(<= ULTIMATE.start_main_~k~5 6), 24909#(<= ULTIMATE.start_main_~k~5 7), 24910#(<= ULTIMATE.start_main_~k~5 8), 24911#(<= ULTIMATE.start_main_~k~5 9), 24912#(<= ULTIMATE.start_main_~k~5 10), 24913#(<= ULTIMATE.start_main_~k~5 11), 24914#(<= ULTIMATE.start_main_~k~5 12), 24915#(<= ULTIMATE.start_main_~k~5 13), 24916#(<= ULTIMATE.start_main_~k~5 14), 24917#(<= ULTIMATE.start_main_~k~5 15), 24918#(<= ULTIMATE.start_main_~k~5 16), 24919#(<= ULTIMATE.start_main_~k~5 17), 24920#(<= ULTIMATE.start_main_~k~5 18), 24921#(<= ULTIMATE.start_main_~k~5 19), 24922#(<= ULTIMATE.start_main_~k~5 20), 24923#(<= ULTIMATE.start_main_~k~5 21), 24924#(<= ULTIMATE.start_main_~k~5 22), 24925#(<= ULTIMATE.start_main_~k~5 23), 24926#(<= ULTIMATE.start_main_~k~5 24), 24927#(<= ULTIMATE.start_main_~k~5 25), 24928#(<= ULTIMATE.start_main_~k~5 26), 24929#(<= ULTIMATE.start_main_~k~5 27), 24930#(<= ULTIMATE.start_main_~k~5 28), 24931#(<= ULTIMATE.start_main_~k~5 29), 24932#(<= ULTIMATE.start_main_~k~5 30), 24933#(<= ULTIMATE.start_main_~k~5 31), 24934#(<= ULTIMATE.start_main_~k~5 32), 24935#(<= ULTIMATE.start_main_~k~5 33), 24936#(<= ULTIMATE.start_main_~k~5 34), 24937#(<= ULTIMATE.start_main_~k~5 35), 24938#(<= ULTIMATE.start_main_~k~5 36), 24939#(<= ULTIMATE.start_main_~k~5 37), 24940#(<= ULTIMATE.start_main_~k~5 38), 24941#(<= ULTIMATE.start_main_~k~5 39), 24942#(<= ULTIMATE.start_main_~k~5 40), 24943#(<= ULTIMATE.start_main_~k~5 41), 24944#(<= ULTIMATE.start_main_~k~5 42), 24945#(<= ULTIMATE.start_main_~k~5 43), 24946#(<= ULTIMATE.start_main_~k~5 44), 24947#(<= ULTIMATE.start_main_~k~5 45), 24948#(<= ULTIMATE.start_main_~k~5 46), 24949#(<= ULTIMATE.start_main_~k~5 47), 24950#(<= ULTIMATE.start_main_~k~5 48), 24951#(<= ULTIMATE.start_main_~k~5 49), 24952#(<= ULTIMATE.start_main_~k~5 50), 24953#(<= ULTIMATE.start_main_~k~5 51), 24954#(<= ULTIMATE.start_main_~k~5 52), 24955#(<= ULTIMATE.start_main_~k~5 53), 24956#(<= ULTIMATE.start_main_~k~5 54), 24957#(<= ULTIMATE.start_main_~k~5 55), 24958#(<= ULTIMATE.start_main_~k~5 56), 24959#(<= ULTIMATE.start_main_~k~5 57), 24960#(<= ULTIMATE.start_main_~k~5 58), 24961#(<= ULTIMATE.start_main_~k~5 59), 24962#(<= ULTIMATE.start_main_~k~5 60), 24963#(<= ULTIMATE.start_main_~k~5 61), 24964#(<= ULTIMATE.start_main_~k~5 62), 24965#(<= ULTIMATE.start_main_~k~5 63), 24966#(<= ULTIMATE.start_main_~k~5 64), 24967#(<= ULTIMATE.start_main_~k~5 65), 24968#(<= ULTIMATE.start_main_~k~5 66), 24969#(<= ULTIMATE.start_main_~k~5 67), 24970#(<= ULTIMATE.start_main_~k~5 68), 24971#(<= ULTIMATE.start_main_~k~5 69), 24972#(<= ULTIMATE.start_main_~k~5 70), 24973#(<= ULTIMATE.start_main_~k~5 71), 24974#(<= ULTIMATE.start_main_~k~5 72), 24975#(<= ULTIMATE.start_main_~k~5 73), 24976#(<= ULTIMATE.start_main_~k~5 74), 24977#(<= ULTIMATE.start_main_~k~5 75), 24978#(<= ULTIMATE.start_main_~k~5 76), 24979#(<= ULTIMATE.start_main_~k~5 77), 24980#(<= ULTIMATE.start_main_~k~5 78), 24981#(<= ULTIMATE.start_main_~k~5 79), 24982#(<= ULTIMATE.start_main_~k~5 80), 24983#(<= ULTIMATE.start_main_~k~5 81), 24984#(<= ULTIMATE.start_main_~k~5 82), 24985#(<= ULTIMATE.start_main_~k~5 83), 24986#(<= ULTIMATE.start_main_~k~5 84), 24987#(<= ULTIMATE.start_main_~k~5 85), 24988#(<= ULTIMATE.start_main_~k~5 86), 24989#(<= ULTIMATE.start_main_~k~5 87), 24990#(<= ULTIMATE.start_main_~k~5 88), 24991#(<= ULTIMATE.start_main_~k~5 89), 24992#(<= ULTIMATE.start_main_~k~5 90), 24993#(<= ULTIMATE.start_main_~k~5 91), 24994#(<= ULTIMATE.start_main_~k~5 92), 24995#(<= ULTIMATE.start_main_~k~5 93), 24996#(<= ULTIMATE.start_main_~k~5 94), 24997#(<= ULTIMATE.start_main_~k~5 95)] [2018-07-23 13:41:01,363 INFO L134 CoverageAnalysis]: Checked inductivity of 4560 backedges. 0 proven. 4560 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2018-07-23 13:41:01,363 INFO L450 AbstractCegarLoop]: Interpolant automaton has 98 states [2018-07-23 13:41:01,364 INFO L132 InterpolantAutomaton]: Constructing interpolant automaton starting with 98 interpolants. [2018-07-23 13:41:01,365 INFO L133 InterpolantAutomaton]: CoverageRelationStatistics Valid=4753, Invalid=4753, Unknown=0, NotChecked=0, Total=9506 [2018-07-23 13:41:01,367 INFO L87 Difference]: Start difference. First operand 99 states and 99 transitions. Second operand 98 states. [2018-07-23 13:41:01,445 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2018-07-23 13:41:01,445 INFO L93 Difference]: Finished difference Result 102 states and 102 transitions. [2018-07-23 13:41:01,445 INFO L142 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 98 states. [2018-07-23 13:41:01,445 INFO L78 Accepts]: Start accepts. Automaton has 98 states. Word has length 98 [2018-07-23 13:41:01,446 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2018-07-23 13:41:01,446 INFO L225 Difference]: With dead ends: 102 [2018-07-23 13:41:01,446 INFO L226 Difference]: Without dead ends: 100 [2018-07-23 13:41:01,447 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 13:41:01,447 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 100 states. [2018-07-23 13:41:01,450 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 100 to 100. [2018-07-23 13:41:01,450 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 100 states. [2018-07-23 13:41:01,450 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 100 states to 100 states and 100 transitions. [2018-07-23 13:41:01,451 INFO L78 Accepts]: Start accepts. Automaton has 100 states and 100 transitions. Word has length 98 [2018-07-23 13:41:01,451 INFO L84 Accepts]: Finished accepts. word is rejected. [2018-07-23 13:41:01,451 INFO L471 AbstractCegarLoop]: Abstraction has 100 states and 100 transitions. [2018-07-23 13:41:01,451 INFO L472 AbstractCegarLoop]: Interpolant automaton has 98 states. [2018-07-23 13:41:01,451 INFO L276 IsEmpty]: Start isEmpty. Operand 100 states and 100 transitions. [2018-07-23 13:41:01,452 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 100 [2018-07-23 13:41:01,452 INFO L349 BasicCegarLoop]: Found error trace [2018-07-23 13:41:01,452 INFO L357 BasicCegarLoop]: trace histogram [96, 1, 1, 1] [2018-07-23 13:41:01,452 INFO L414 AbstractCegarLoop]: === Iteration 97 === [ULTIMATE.startErr0AssertViolationASSERT]=== [2018-07-23 13:41:01,453 INFO L82 PathProgramCache]: Analyzing trace with hash -1828643007, now seen corresponding path program 96 times [2018-07-23 13:41:01,453 INFO L69 tionRefinementEngine]: Using refinement strategy FixedRefinementStrategy [2018-07-23 13:41:01,484 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-07-23 13:41:01,783 INFO L134 CoverageAnalysis]: Checked inductivity of 4656 backedges. 0 proven. 4656 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2018-07-23 13:41:01,783 INFO L309 seRefinementStrategy]: Constructing automaton from 0 perfect and 1 imperfect interpolant sequences. [2018-07-23 13:41:01,783 INFO L324 seRefinementStrategy]: Number of different interpolants: perfect sequences [] imperfect sequences [98] total 98 [2018-07-23 13:41:01,783 INFO L142 lantAutomatonBuilder]: Constructing canonical interpolant automaton, with selfloop in false state [2018-07-23 13:41:01,783 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2018-07-23 13:41:01,784 INFO L185 omatonBuilderFactory]: Interpolants [25402#true, 25403#false, 25404#(<= ULTIMATE.start_main_~k~5 0), 25405#(<= ULTIMATE.start_main_~k~5 1), 25406#(<= ULTIMATE.start_main_~k~5 2), 25407#(<= ULTIMATE.start_main_~k~5 3), 25408#(<= ULTIMATE.start_main_~k~5 4), 25409#(<= ULTIMATE.start_main_~k~5 5), 25410#(<= ULTIMATE.start_main_~k~5 6), 25411#(<= ULTIMATE.start_main_~k~5 7), 25412#(<= ULTIMATE.start_main_~k~5 8), 25413#(<= ULTIMATE.start_main_~k~5 9), 25414#(<= ULTIMATE.start_main_~k~5 10), 25415#(<= ULTIMATE.start_main_~k~5 11), 25416#(<= ULTIMATE.start_main_~k~5 12), 25417#(<= ULTIMATE.start_main_~k~5 13), 25418#(<= ULTIMATE.start_main_~k~5 14), 25419#(<= ULTIMATE.start_main_~k~5 15), 25420#(<= ULTIMATE.start_main_~k~5 16), 25421#(<= ULTIMATE.start_main_~k~5 17), 25422#(<= ULTIMATE.start_main_~k~5 18), 25423#(<= ULTIMATE.start_main_~k~5 19), 25424#(<= ULTIMATE.start_main_~k~5 20), 25425#(<= ULTIMATE.start_main_~k~5 21), 25426#(<= ULTIMATE.start_main_~k~5 22), 25427#(<= ULTIMATE.start_main_~k~5 23), 25428#(<= ULTIMATE.start_main_~k~5 24), 25429#(<= ULTIMATE.start_main_~k~5 25), 25430#(<= ULTIMATE.start_main_~k~5 26), 25431#(<= ULTIMATE.start_main_~k~5 27), 25432#(<= ULTIMATE.start_main_~k~5 28), 25433#(<= ULTIMATE.start_main_~k~5 29), 25434#(<= ULTIMATE.start_main_~k~5 30), 25435#(<= ULTIMATE.start_main_~k~5 31), 25436#(<= ULTIMATE.start_main_~k~5 32), 25437#(<= ULTIMATE.start_main_~k~5 33), 25438#(<= ULTIMATE.start_main_~k~5 34), 25439#(<= ULTIMATE.start_main_~k~5 35), 25440#(<= ULTIMATE.start_main_~k~5 36), 25441#(<= ULTIMATE.start_main_~k~5 37), 25442#(<= ULTIMATE.start_main_~k~5 38), 25443#(<= ULTIMATE.start_main_~k~5 39), 25444#(<= ULTIMATE.start_main_~k~5 40), 25445#(<= ULTIMATE.start_main_~k~5 41), 25446#(<= ULTIMATE.start_main_~k~5 42), 25447#(<= ULTIMATE.start_main_~k~5 43), 25448#(<= ULTIMATE.start_main_~k~5 44), 25449#(<= ULTIMATE.start_main_~k~5 45), 25450#(<= ULTIMATE.start_main_~k~5 46), 25451#(<= ULTIMATE.start_main_~k~5 47), 25452#(<= ULTIMATE.start_main_~k~5 48), 25453#(<= ULTIMATE.start_main_~k~5 49), 25454#(<= ULTIMATE.start_main_~k~5 50), 25455#(<= ULTIMATE.start_main_~k~5 51), 25456#(<= ULTIMATE.start_main_~k~5 52), 25457#(<= ULTIMATE.start_main_~k~5 53), 25458#(<= ULTIMATE.start_main_~k~5 54), 25459#(<= ULTIMATE.start_main_~k~5 55), 25460#(<= ULTIMATE.start_main_~k~5 56), 25461#(<= ULTIMATE.start_main_~k~5 57), 25462#(<= ULTIMATE.start_main_~k~5 58), 25463#(<= ULTIMATE.start_main_~k~5 59), 25464#(<= ULTIMATE.start_main_~k~5 60), 25465#(<= ULTIMATE.start_main_~k~5 61), 25466#(<= ULTIMATE.start_main_~k~5 62), 25467#(<= ULTIMATE.start_main_~k~5 63), 25468#(<= ULTIMATE.start_main_~k~5 64), 25469#(<= ULTIMATE.start_main_~k~5 65), 25470#(<= ULTIMATE.start_main_~k~5 66), 25471#(<= ULTIMATE.start_main_~k~5 67), 25472#(<= ULTIMATE.start_main_~k~5 68), 25473#(<= ULTIMATE.start_main_~k~5 69), 25474#(<= ULTIMATE.start_main_~k~5 70), 25475#(<= ULTIMATE.start_main_~k~5 71), 25476#(<= ULTIMATE.start_main_~k~5 72), 25477#(<= ULTIMATE.start_main_~k~5 73), 25478#(<= ULTIMATE.start_main_~k~5 74), 25479#(<= ULTIMATE.start_main_~k~5 75), 25480#(<= ULTIMATE.start_main_~k~5 76), 25481#(<= ULTIMATE.start_main_~k~5 77), 25482#(<= ULTIMATE.start_main_~k~5 78), 25483#(<= ULTIMATE.start_main_~k~5 79), 25484#(<= ULTIMATE.start_main_~k~5 80), 25485#(<= ULTIMATE.start_main_~k~5 81), 25486#(<= ULTIMATE.start_main_~k~5 82), 25487#(<= ULTIMATE.start_main_~k~5 83), 25488#(<= ULTIMATE.start_main_~k~5 84), 25489#(<= ULTIMATE.start_main_~k~5 85), 25490#(<= ULTIMATE.start_main_~k~5 86), 25491#(<= ULTIMATE.start_main_~k~5 87), 25492#(<= ULTIMATE.start_main_~k~5 88), 25493#(<= ULTIMATE.start_main_~k~5 89), 25494#(<= ULTIMATE.start_main_~k~5 90), 25495#(<= ULTIMATE.start_main_~k~5 91), 25496#(<= ULTIMATE.start_main_~k~5 92), 25497#(<= ULTIMATE.start_main_~k~5 93), 25498#(<= ULTIMATE.start_main_~k~5 94), 25499#(<= ULTIMATE.start_main_~k~5 95), 25500#(<= ULTIMATE.start_main_~k~5 96)] [2018-07-23 13:41:01,784 INFO L134 CoverageAnalysis]: Checked inductivity of 4656 backedges. 0 proven. 4656 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2018-07-23 13:41:01,784 INFO L450 AbstractCegarLoop]: Interpolant automaton has 99 states [2018-07-23 13:41:01,785 INFO L132 InterpolantAutomaton]: Constructing interpolant automaton starting with 99 interpolants. [2018-07-23 13:41:01,785 INFO L133 InterpolantAutomaton]: CoverageRelationStatistics Valid=4851, Invalid=4851, Unknown=0, NotChecked=0, Total=9702 [2018-07-23 13:41:01,786 INFO L87 Difference]: Start difference. First operand 100 states and 100 transitions. Second operand 99 states. [2018-07-23 13:41:01,865 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2018-07-23 13:41:01,866 INFO L93 Difference]: Finished difference Result 103 states and 103 transitions. [2018-07-23 13:41:01,866 INFO L142 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 99 states. [2018-07-23 13:41:01,866 INFO L78 Accepts]: Start accepts. Automaton has 99 states. Word has length 99 [2018-07-23 13:41:01,866 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2018-07-23 13:41:01,867 INFO L225 Difference]: With dead ends: 103 [2018-07-23 13:41:01,867 INFO L226 Difference]: Without dead ends: 101 [2018-07-23 13:41:01,868 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 13:41:01,868 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 101 states. [2018-07-23 13:41:01,870 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 101 to 101. [2018-07-23 13:41:01,870 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 101 states. [2018-07-23 13:41:01,871 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 101 states to 101 states and 101 transitions. [2018-07-23 13:41:01,871 INFO L78 Accepts]: Start accepts. Automaton has 101 states and 101 transitions. Word has length 99 [2018-07-23 13:41:01,871 INFO L84 Accepts]: Finished accepts. word is rejected. [2018-07-23 13:41:01,871 INFO L471 AbstractCegarLoop]: Abstraction has 101 states and 101 transitions. [2018-07-23 13:41:01,871 INFO L472 AbstractCegarLoop]: Interpolant automaton has 99 states. [2018-07-23 13:41:01,872 INFO L276 IsEmpty]: Start isEmpty. Operand 101 states and 101 transitions. [2018-07-23 13:41:01,872 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 101 [2018-07-23 13:41:01,872 INFO L349 BasicCegarLoop]: Found error trace [2018-07-23 13:41:01,872 INFO L357 BasicCegarLoop]: trace histogram [97, 1, 1, 1] [2018-07-23 13:41:01,872 INFO L414 AbstractCegarLoop]: === Iteration 98 === [ULTIMATE.startErr0AssertViolationASSERT]=== [2018-07-23 13:41:01,873 INFO L82 PathProgramCache]: Analyzing trace with hash -853360344, now seen corresponding path program 97 times [2018-07-23 13:41:01,873 INFO L69 tionRefinementEngine]: Using refinement strategy FixedRefinementStrategy [2018-07-23 13:41:01,907 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-07-23 13:41:02,218 INFO L134 CoverageAnalysis]: Checked inductivity of 4753 backedges. 0 proven. 4753 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2018-07-23 13:41:02,219 INFO L309 seRefinementStrategy]: Constructing automaton from 0 perfect and 1 imperfect interpolant sequences. [2018-07-23 13:41:02,219 INFO L324 seRefinementStrategy]: Number of different interpolants: perfect sequences [] imperfect sequences [99] total 99 [2018-07-23 13:41:02,219 INFO L142 lantAutomatonBuilder]: Constructing canonical interpolant automaton, with selfloop in false state [2018-07-23 13:41:02,219 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 13:41:02,219 INFO L185 omatonBuilderFactory]: Interpolants [25909#true, 25910#false, 25911#(<= ULTIMATE.start_main_~k~5 0), 25912#(<= ULTIMATE.start_main_~k~5 1), 25913#(<= ULTIMATE.start_main_~k~5 2), 25914#(<= ULTIMATE.start_main_~k~5 3), 25915#(<= ULTIMATE.start_main_~k~5 4), 25916#(<= ULTIMATE.start_main_~k~5 5), 25917#(<= ULTIMATE.start_main_~k~5 6), 25918#(<= ULTIMATE.start_main_~k~5 7), 25919#(<= ULTIMATE.start_main_~k~5 8), 25920#(<= ULTIMATE.start_main_~k~5 9), 25921#(<= ULTIMATE.start_main_~k~5 10), 25922#(<= ULTIMATE.start_main_~k~5 11), 25923#(<= ULTIMATE.start_main_~k~5 12), 25924#(<= ULTIMATE.start_main_~k~5 13), 25925#(<= ULTIMATE.start_main_~k~5 14), 25926#(<= ULTIMATE.start_main_~k~5 15), 25927#(<= ULTIMATE.start_main_~k~5 16), 25928#(<= ULTIMATE.start_main_~k~5 17), 25929#(<= ULTIMATE.start_main_~k~5 18), 25930#(<= ULTIMATE.start_main_~k~5 19), 25931#(<= ULTIMATE.start_main_~k~5 20), 25932#(<= ULTIMATE.start_main_~k~5 21), 25933#(<= ULTIMATE.start_main_~k~5 22), 25934#(<= ULTIMATE.start_main_~k~5 23), 25935#(<= ULTIMATE.start_main_~k~5 24), 25936#(<= ULTIMATE.start_main_~k~5 25), 25937#(<= ULTIMATE.start_main_~k~5 26), 25938#(<= ULTIMATE.start_main_~k~5 27), 25939#(<= ULTIMATE.start_main_~k~5 28), 25940#(<= ULTIMATE.start_main_~k~5 29), 25941#(<= ULTIMATE.start_main_~k~5 30), 25942#(<= ULTIMATE.start_main_~k~5 31), 25943#(<= ULTIMATE.start_main_~k~5 32), 25944#(<= ULTIMATE.start_main_~k~5 33), 25945#(<= ULTIMATE.start_main_~k~5 34), 25946#(<= ULTIMATE.start_main_~k~5 35), 25947#(<= ULTIMATE.start_main_~k~5 36), 25948#(<= ULTIMATE.start_main_~k~5 37), 25949#(<= ULTIMATE.start_main_~k~5 38), 25950#(<= ULTIMATE.start_main_~k~5 39), 25951#(<= ULTIMATE.start_main_~k~5 40), 25952#(<= ULTIMATE.start_main_~k~5 41), 25953#(<= ULTIMATE.start_main_~k~5 42), 25954#(<= ULTIMATE.start_main_~k~5 43), 25955#(<= ULTIMATE.start_main_~k~5 44), 25956#(<= ULTIMATE.start_main_~k~5 45), 25957#(<= ULTIMATE.start_main_~k~5 46), 25958#(<= ULTIMATE.start_main_~k~5 47), 25959#(<= ULTIMATE.start_main_~k~5 48), 25960#(<= ULTIMATE.start_main_~k~5 49), 25961#(<= ULTIMATE.start_main_~k~5 50), 25962#(<= ULTIMATE.start_main_~k~5 51), 25963#(<= ULTIMATE.start_main_~k~5 52), 25964#(<= ULTIMATE.start_main_~k~5 53), 25965#(<= ULTIMATE.start_main_~k~5 54), 25966#(<= ULTIMATE.start_main_~k~5 55), 25967#(<= ULTIMATE.start_main_~k~5 56), 25968#(<= ULTIMATE.start_main_~k~5 57), 25969#(<= ULTIMATE.start_main_~k~5 58), 25970#(<= ULTIMATE.start_main_~k~5 59), 25971#(<= ULTIMATE.start_main_~k~5 60), 25972#(<= ULTIMATE.start_main_~k~5 61), 25973#(<= ULTIMATE.start_main_~k~5 62), 25974#(<= ULTIMATE.start_main_~k~5 63), 25975#(<= ULTIMATE.start_main_~k~5 64), 25976#(<= ULTIMATE.start_main_~k~5 65), 25977#(<= ULTIMATE.start_main_~k~5 66), 25978#(<= ULTIMATE.start_main_~k~5 67), 25979#(<= ULTIMATE.start_main_~k~5 68), 25980#(<= ULTIMATE.start_main_~k~5 69), 25981#(<= ULTIMATE.start_main_~k~5 70), 25982#(<= ULTIMATE.start_main_~k~5 71), 25983#(<= ULTIMATE.start_main_~k~5 72), 25984#(<= ULTIMATE.start_main_~k~5 73), 25985#(<= ULTIMATE.start_main_~k~5 74), 25986#(<= ULTIMATE.start_main_~k~5 75), 25987#(<= ULTIMATE.start_main_~k~5 76), 25988#(<= ULTIMATE.start_main_~k~5 77), 25989#(<= ULTIMATE.start_main_~k~5 78), 25990#(<= ULTIMATE.start_main_~k~5 79), 25991#(<= ULTIMATE.start_main_~k~5 80), 25992#(<= ULTIMATE.start_main_~k~5 81), 25993#(<= ULTIMATE.start_main_~k~5 82), 25994#(<= ULTIMATE.start_main_~k~5 83), 25995#(<= ULTIMATE.start_main_~k~5 84), 25996#(<= ULTIMATE.start_main_~k~5 85), 25997#(<= ULTIMATE.start_main_~k~5 86), 25998#(<= ULTIMATE.start_main_~k~5 87), 25999#(<= ULTIMATE.start_main_~k~5 88), 26000#(<= ULTIMATE.start_main_~k~5 89), 26001#(<= ULTIMATE.start_main_~k~5 90), 26002#(<= ULTIMATE.start_main_~k~5 91), 26003#(<= ULTIMATE.start_main_~k~5 92), 26004#(<= ULTIMATE.start_main_~k~5 93), 26005#(<= ULTIMATE.start_main_~k~5 94), 26006#(<= ULTIMATE.start_main_~k~5 95), 26007#(<= ULTIMATE.start_main_~k~5 96), 26008#(<= ULTIMATE.start_main_~k~5 97)] [2018-07-23 13:41:02,220 INFO L134 CoverageAnalysis]: Checked inductivity of 4753 backedges. 0 proven. 4753 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2018-07-23 13:41:02,220 INFO L450 AbstractCegarLoop]: Interpolant automaton has 100 states [2018-07-23 13:41:02,221 INFO L132 InterpolantAutomaton]: Constructing interpolant automaton starting with 100 interpolants. [2018-07-23 13:41:02,221 INFO L133 InterpolantAutomaton]: CoverageRelationStatistics Valid=4950, Invalid=4950, Unknown=0, NotChecked=0, Total=9900 [2018-07-23 13:41:02,221 INFO L87 Difference]: Start difference. First operand 101 states and 101 transitions. Second operand 100 states. [2018-07-23 13:41:02,314 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2018-07-23 13:41:02,314 INFO L93 Difference]: Finished difference Result 104 states and 104 transitions. [2018-07-23 13:41:02,314 INFO L142 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 100 states. [2018-07-23 13:41:02,315 INFO L78 Accepts]: Start accepts. Automaton has 100 states. Word has length 100 [2018-07-23 13:41:02,315 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2018-07-23 13:41:02,315 INFO L225 Difference]: With dead ends: 104 [2018-07-23 13:41:02,315 INFO L226 Difference]: Without dead ends: 102 [2018-07-23 13:41:02,316 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 13:41:02,316 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 102 states. [2018-07-23 13:41:02,319 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 102 to 102. [2018-07-23 13:41:02,319 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 102 states. [2018-07-23 13:41:02,319 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 102 states to 102 states and 102 transitions. [2018-07-23 13:41:02,319 INFO L78 Accepts]: Start accepts. Automaton has 102 states and 102 transitions. Word has length 100 [2018-07-23 13:41:02,319 INFO L84 Accepts]: Finished accepts. word is rejected. [2018-07-23 13:41:02,320 INFO L471 AbstractCegarLoop]: Abstraction has 102 states and 102 transitions. [2018-07-23 13:41:02,320 INFO L472 AbstractCegarLoop]: Interpolant automaton has 100 states. [2018-07-23 13:41:02,320 INFO L276 IsEmpty]: Start isEmpty. Operand 102 states and 102 transitions. [2018-07-23 13:41:02,320 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 102 [2018-07-23 13:41:02,320 INFO L349 BasicCegarLoop]: Found error trace [2018-07-23 13:41:02,321 INFO L357 BasicCegarLoop]: trace histogram [98, 1, 1, 1] [2018-07-23 13:41:02,321 INFO L414 AbstractCegarLoop]: === Iteration 99 === [ULTIMATE.startErr0AssertViolationASSERT]=== [2018-07-23 13:41:02,321 INFO L82 PathProgramCache]: Analyzing trace with hash -684368863, now seen corresponding path program 98 times [2018-07-23 13:41:02,321 INFO L69 tionRefinementEngine]: Using refinement strategy FixedRefinementStrategy [2018-07-23 13:41:02,359 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-07-23 13:41:02,784 INFO L134 CoverageAnalysis]: Checked inductivity of 4851 backedges. 0 proven. 4851 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2018-07-23 13:41:02,784 INFO L309 seRefinementStrategy]: Constructing automaton from 0 perfect and 1 imperfect interpolant sequences. [2018-07-23 13:41:02,784 INFO L324 seRefinementStrategy]: Number of different interpolants: perfect sequences [] imperfect sequences [100] total 100 [2018-07-23 13:41:02,785 INFO L142 lantAutomatonBuilder]: Constructing canonical interpolant automaton, with selfloop in false state [2018-07-23 13:41:02,785 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 13:41:02,785 INFO L185 omatonBuilderFactory]: Interpolants [26421#true, 26422#false, 26423#(<= ULTIMATE.start_main_~k~5 0), 26424#(<= ULTIMATE.start_main_~k~5 1), 26425#(<= ULTIMATE.start_main_~k~5 2), 26426#(<= ULTIMATE.start_main_~k~5 3), 26427#(<= ULTIMATE.start_main_~k~5 4), 26428#(<= ULTIMATE.start_main_~k~5 5), 26429#(<= ULTIMATE.start_main_~k~5 6), 26430#(<= ULTIMATE.start_main_~k~5 7), 26431#(<= ULTIMATE.start_main_~k~5 8), 26432#(<= ULTIMATE.start_main_~k~5 9), 26433#(<= ULTIMATE.start_main_~k~5 10), 26434#(<= ULTIMATE.start_main_~k~5 11), 26435#(<= ULTIMATE.start_main_~k~5 12), 26436#(<= ULTIMATE.start_main_~k~5 13), 26437#(<= ULTIMATE.start_main_~k~5 14), 26438#(<= ULTIMATE.start_main_~k~5 15), 26439#(<= ULTIMATE.start_main_~k~5 16), 26440#(<= ULTIMATE.start_main_~k~5 17), 26441#(<= ULTIMATE.start_main_~k~5 18), 26442#(<= ULTIMATE.start_main_~k~5 19), 26443#(<= ULTIMATE.start_main_~k~5 20), 26444#(<= ULTIMATE.start_main_~k~5 21), 26445#(<= ULTIMATE.start_main_~k~5 22), 26446#(<= ULTIMATE.start_main_~k~5 23), 26447#(<= ULTIMATE.start_main_~k~5 24), 26448#(<= ULTIMATE.start_main_~k~5 25), 26449#(<= ULTIMATE.start_main_~k~5 26), 26450#(<= ULTIMATE.start_main_~k~5 27), 26451#(<= ULTIMATE.start_main_~k~5 28), 26452#(<= ULTIMATE.start_main_~k~5 29), 26453#(<= ULTIMATE.start_main_~k~5 30), 26454#(<= ULTIMATE.start_main_~k~5 31), 26455#(<= ULTIMATE.start_main_~k~5 32), 26456#(<= ULTIMATE.start_main_~k~5 33), 26457#(<= ULTIMATE.start_main_~k~5 34), 26458#(<= ULTIMATE.start_main_~k~5 35), 26459#(<= ULTIMATE.start_main_~k~5 36), 26460#(<= ULTIMATE.start_main_~k~5 37), 26461#(<= ULTIMATE.start_main_~k~5 38), 26462#(<= ULTIMATE.start_main_~k~5 39), 26463#(<= ULTIMATE.start_main_~k~5 40), 26464#(<= ULTIMATE.start_main_~k~5 41), 26465#(<= ULTIMATE.start_main_~k~5 42), 26466#(<= ULTIMATE.start_main_~k~5 43), 26467#(<= ULTIMATE.start_main_~k~5 44), 26468#(<= ULTIMATE.start_main_~k~5 45), 26469#(<= ULTIMATE.start_main_~k~5 46), 26470#(<= ULTIMATE.start_main_~k~5 47), 26471#(<= ULTIMATE.start_main_~k~5 48), 26472#(<= ULTIMATE.start_main_~k~5 49), 26473#(<= ULTIMATE.start_main_~k~5 50), 26474#(<= ULTIMATE.start_main_~k~5 51), 26475#(<= ULTIMATE.start_main_~k~5 52), 26476#(<= ULTIMATE.start_main_~k~5 53), 26477#(<= ULTIMATE.start_main_~k~5 54), 26478#(<= ULTIMATE.start_main_~k~5 55), 26479#(<= ULTIMATE.start_main_~k~5 56), 26480#(<= ULTIMATE.start_main_~k~5 57), 26481#(<= ULTIMATE.start_main_~k~5 58), 26482#(<= ULTIMATE.start_main_~k~5 59), 26483#(<= ULTIMATE.start_main_~k~5 60), 26484#(<= ULTIMATE.start_main_~k~5 61), 26485#(<= ULTIMATE.start_main_~k~5 62), 26486#(<= ULTIMATE.start_main_~k~5 63), 26487#(<= ULTIMATE.start_main_~k~5 64), 26488#(<= ULTIMATE.start_main_~k~5 65), 26489#(<= ULTIMATE.start_main_~k~5 66), 26490#(<= ULTIMATE.start_main_~k~5 67), 26491#(<= ULTIMATE.start_main_~k~5 68), 26492#(<= ULTIMATE.start_main_~k~5 69), 26493#(<= ULTIMATE.start_main_~k~5 70), 26494#(<= ULTIMATE.start_main_~k~5 71), 26495#(<= ULTIMATE.start_main_~k~5 72), 26496#(<= ULTIMATE.start_main_~k~5 73), 26497#(<= ULTIMATE.start_main_~k~5 74), 26498#(<= ULTIMATE.start_main_~k~5 75), 26499#(<= ULTIMATE.start_main_~k~5 76), 26500#(<= ULTIMATE.start_main_~k~5 77), 26501#(<= ULTIMATE.start_main_~k~5 78), 26502#(<= ULTIMATE.start_main_~k~5 79), 26503#(<= ULTIMATE.start_main_~k~5 80), 26504#(<= ULTIMATE.start_main_~k~5 81), 26505#(<= ULTIMATE.start_main_~k~5 82), 26506#(<= ULTIMATE.start_main_~k~5 83), 26507#(<= ULTIMATE.start_main_~k~5 84), 26508#(<= ULTIMATE.start_main_~k~5 85), 26509#(<= ULTIMATE.start_main_~k~5 86), 26510#(<= ULTIMATE.start_main_~k~5 87), 26511#(<= ULTIMATE.start_main_~k~5 88), 26512#(<= ULTIMATE.start_main_~k~5 89), 26513#(<= ULTIMATE.start_main_~k~5 90), 26514#(<= ULTIMATE.start_main_~k~5 91), 26515#(<= ULTIMATE.start_main_~k~5 92), 26516#(<= ULTIMATE.start_main_~k~5 93), 26517#(<= ULTIMATE.start_main_~k~5 94), 26518#(<= ULTIMATE.start_main_~k~5 95), 26519#(<= ULTIMATE.start_main_~k~5 96), 26520#(<= ULTIMATE.start_main_~k~5 97), 26521#(<= ULTIMATE.start_main_~k~5 98)] [2018-07-23 13:41:02,786 INFO L134 CoverageAnalysis]: Checked inductivity of 4851 backedges. 0 proven. 4851 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2018-07-23 13:41:02,786 INFO L450 AbstractCegarLoop]: Interpolant automaton has 101 states [2018-07-23 13:41:02,787 INFO L132 InterpolantAutomaton]: Constructing interpolant automaton starting with 101 interpolants. [2018-07-23 13:41:02,788 INFO L133 InterpolantAutomaton]: CoverageRelationStatistics Valid=5050, Invalid=5050, Unknown=0, NotChecked=0, Total=10100 [2018-07-23 13:41:02,788 INFO L87 Difference]: Start difference. First operand 102 states and 102 transitions. Second operand 101 states. [2018-07-23 13:41:02,902 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2018-07-23 13:41:02,902 INFO L93 Difference]: Finished difference Result 105 states and 105 transitions. [2018-07-23 13:41:02,903 INFO L142 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 101 states. [2018-07-23 13:41:02,903 INFO L78 Accepts]: Start accepts. Automaton has 101 states. Word has length 101 [2018-07-23 13:41:02,903 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2018-07-23 13:41:02,904 INFO L225 Difference]: With dead ends: 105 [2018-07-23 13:41:02,904 INFO L226 Difference]: Without dead ends: 103 [2018-07-23 13:41:02,905 INFO L575 BasicCegarLoop]: 0 DeclaredPredicates, 100 GetRequests, 1 SyntacticMatches, 0 SemanticMatches, 99 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 0 ImplicationChecksByTransitivity, 0.3s TimeCoverageRelationStatistics Valid=5050, Invalid=5050, Unknown=0, NotChecked=0, Total=10100 [2018-07-23 13:41:02,905 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 103 states. [2018-07-23 13:41:02,908 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 103 to 103. [2018-07-23 13:41:02,908 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 103 states. [2018-07-23 13:41:02,908 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 103 states to 103 states and 103 transitions. [2018-07-23 13:41:02,908 INFO L78 Accepts]: Start accepts. Automaton has 103 states and 103 transitions. Word has length 101 [2018-07-23 13:41:02,909 INFO L84 Accepts]: Finished accepts. word is rejected. [2018-07-23 13:41:02,909 INFO L471 AbstractCegarLoop]: Abstraction has 103 states and 103 transitions. [2018-07-23 13:41:02,909 INFO L472 AbstractCegarLoop]: Interpolant automaton has 101 states. [2018-07-23 13:41:02,909 INFO L276 IsEmpty]: Start isEmpty. Operand 103 states and 103 transitions. [2018-07-23 13:41:02,909 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 103 [2018-07-23 13:41:02,909 INFO L349 BasicCegarLoop]: Found error trace [2018-07-23 13:41:02,910 INFO L357 BasicCegarLoop]: trace histogram [99, 1, 1, 1] [2018-07-23 13:41:02,910 INFO L414 AbstractCegarLoop]: === Iteration 100 === [ULTIMATE.startErr0AssertViolationASSERT]=== [2018-07-23 13:41:02,910 INFO L82 PathProgramCache]: Analyzing trace with hash 259399752, now seen corresponding path program 99 times [2018-07-23 13:41:02,910 INFO L69 tionRefinementEngine]: Using refinement strategy FixedRefinementStrategy [2018-07-23 13:41:02,951 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-07-23 13:41:03,380 INFO L134 CoverageAnalysis]: Checked inductivity of 4950 backedges. 0 proven. 4950 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2018-07-23 13:41:03,381 INFO L309 seRefinementStrategy]: Constructing automaton from 0 perfect and 1 imperfect interpolant sequences. [2018-07-23 13:41:03,381 INFO L324 seRefinementStrategy]: Number of different interpolants: perfect sequences [] imperfect sequences [101] total 101 [2018-07-23 13:41:03,381 INFO L142 lantAutomatonBuilder]: Constructing canonical interpolant automaton, with selfloop in false state [2018-07-23 13:41:03,381 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2018-07-23 13:41:03,381 INFO L185 omatonBuilderFactory]: Interpolants [26938#true, 26939#false, 26940#(<= ULTIMATE.start_main_~k~5 0), 26941#(<= ULTIMATE.start_main_~k~5 1), 26942#(<= ULTIMATE.start_main_~k~5 2), 26943#(<= ULTIMATE.start_main_~k~5 3), 26944#(<= ULTIMATE.start_main_~k~5 4), 26945#(<= ULTIMATE.start_main_~k~5 5), 26946#(<= ULTIMATE.start_main_~k~5 6), 26947#(<= ULTIMATE.start_main_~k~5 7), 26948#(<= ULTIMATE.start_main_~k~5 8), 26949#(<= ULTIMATE.start_main_~k~5 9), 26950#(<= ULTIMATE.start_main_~k~5 10), 26951#(<= ULTIMATE.start_main_~k~5 11), 26952#(<= ULTIMATE.start_main_~k~5 12), 26953#(<= ULTIMATE.start_main_~k~5 13), 26954#(<= ULTIMATE.start_main_~k~5 14), 26955#(<= ULTIMATE.start_main_~k~5 15), 26956#(<= ULTIMATE.start_main_~k~5 16), 26957#(<= ULTIMATE.start_main_~k~5 17), 26958#(<= ULTIMATE.start_main_~k~5 18), 26959#(<= ULTIMATE.start_main_~k~5 19), 26960#(<= ULTIMATE.start_main_~k~5 20), 26961#(<= ULTIMATE.start_main_~k~5 21), 26962#(<= ULTIMATE.start_main_~k~5 22), 26963#(<= ULTIMATE.start_main_~k~5 23), 26964#(<= ULTIMATE.start_main_~k~5 24), 26965#(<= ULTIMATE.start_main_~k~5 25), 26966#(<= ULTIMATE.start_main_~k~5 26), 26967#(<= ULTIMATE.start_main_~k~5 27), 26968#(<= ULTIMATE.start_main_~k~5 28), 26969#(<= ULTIMATE.start_main_~k~5 29), 26970#(<= ULTIMATE.start_main_~k~5 30), 26971#(<= ULTIMATE.start_main_~k~5 31), 26972#(<= ULTIMATE.start_main_~k~5 32), 26973#(<= ULTIMATE.start_main_~k~5 33), 26974#(<= ULTIMATE.start_main_~k~5 34), 26975#(<= ULTIMATE.start_main_~k~5 35), 26976#(<= ULTIMATE.start_main_~k~5 36), 26977#(<= ULTIMATE.start_main_~k~5 37), 26978#(<= ULTIMATE.start_main_~k~5 38), 26979#(<= ULTIMATE.start_main_~k~5 39), 26980#(<= ULTIMATE.start_main_~k~5 40), 26981#(<= ULTIMATE.start_main_~k~5 41), 26982#(<= ULTIMATE.start_main_~k~5 42), 26983#(<= ULTIMATE.start_main_~k~5 43), 26984#(<= ULTIMATE.start_main_~k~5 44), 26985#(<= ULTIMATE.start_main_~k~5 45), 26986#(<= ULTIMATE.start_main_~k~5 46), 26987#(<= ULTIMATE.start_main_~k~5 47), 26988#(<= ULTIMATE.start_main_~k~5 48), 26989#(<= ULTIMATE.start_main_~k~5 49), 26990#(<= ULTIMATE.start_main_~k~5 50), 26991#(<= ULTIMATE.start_main_~k~5 51), 26992#(<= ULTIMATE.start_main_~k~5 52), 26993#(<= ULTIMATE.start_main_~k~5 53), 26994#(<= ULTIMATE.start_main_~k~5 54), 26995#(<= ULTIMATE.start_main_~k~5 55), 26996#(<= ULTIMATE.start_main_~k~5 56), 26997#(<= ULTIMATE.start_main_~k~5 57), 26998#(<= ULTIMATE.start_main_~k~5 58), 26999#(<= ULTIMATE.start_main_~k~5 59), 27000#(<= ULTIMATE.start_main_~k~5 60), 27001#(<= ULTIMATE.start_main_~k~5 61), 27002#(<= ULTIMATE.start_main_~k~5 62), 27003#(<= ULTIMATE.start_main_~k~5 63), 27004#(<= ULTIMATE.start_main_~k~5 64), 27005#(<= ULTIMATE.start_main_~k~5 65), 27006#(<= ULTIMATE.start_main_~k~5 66), 27007#(<= ULTIMATE.start_main_~k~5 67), 27008#(<= ULTIMATE.start_main_~k~5 68), 27009#(<= ULTIMATE.start_main_~k~5 69), 27010#(<= ULTIMATE.start_main_~k~5 70), 27011#(<= ULTIMATE.start_main_~k~5 71), 27012#(<= ULTIMATE.start_main_~k~5 72), 27013#(<= ULTIMATE.start_main_~k~5 73), 27014#(<= ULTIMATE.start_main_~k~5 74), 27015#(<= ULTIMATE.start_main_~k~5 75), 27016#(<= ULTIMATE.start_main_~k~5 76), 27017#(<= ULTIMATE.start_main_~k~5 77), 27018#(<= ULTIMATE.start_main_~k~5 78), 27019#(<= ULTIMATE.start_main_~k~5 79), 27020#(<= ULTIMATE.start_main_~k~5 80), 27021#(<= ULTIMATE.start_main_~k~5 81), 27022#(<= ULTIMATE.start_main_~k~5 82), 27023#(<= ULTIMATE.start_main_~k~5 83), 27024#(<= ULTIMATE.start_main_~k~5 84), 27025#(<= ULTIMATE.start_main_~k~5 85), 27026#(<= ULTIMATE.start_main_~k~5 86), 27027#(<= ULTIMATE.start_main_~k~5 87), 27028#(<= ULTIMATE.start_main_~k~5 88), 27029#(<= ULTIMATE.start_main_~k~5 89), 27030#(<= ULTIMATE.start_main_~k~5 90), 27031#(<= ULTIMATE.start_main_~k~5 91), 27032#(<= ULTIMATE.start_main_~k~5 92), 27033#(<= ULTIMATE.start_main_~k~5 93), 27034#(<= ULTIMATE.start_main_~k~5 94), 27035#(<= ULTIMATE.start_main_~k~5 95), 27036#(<= ULTIMATE.start_main_~k~5 96), 27037#(<= ULTIMATE.start_main_~k~5 97), 27038#(<= ULTIMATE.start_main_~k~5 98), 27039#(<= ULTIMATE.start_main_~k~5 99)] [2018-07-23 13:41:03,382 INFO L134 CoverageAnalysis]: Checked inductivity of 4950 backedges. 0 proven. 4950 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2018-07-23 13:41:03,382 INFO L450 AbstractCegarLoop]: Interpolant automaton has 102 states [2018-07-23 13:41:03,383 INFO L132 InterpolantAutomaton]: Constructing interpolant automaton starting with 102 interpolants. [2018-07-23 13:41:03,383 INFO L133 InterpolantAutomaton]: CoverageRelationStatistics Valid=5151, Invalid=5151, Unknown=0, NotChecked=0, Total=10302 [2018-07-23 13:41:03,383 INFO L87 Difference]: Start difference. First operand 103 states and 103 transitions. Second operand 102 states. [2018-07-23 13:41:03,458 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2018-07-23 13:41:03,458 INFO L93 Difference]: Finished difference Result 106 states and 106 transitions. [2018-07-23 13:41:03,458 INFO L142 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 102 states. [2018-07-23 13:41:03,458 INFO L78 Accepts]: Start accepts. Automaton has 102 states. Word has length 102 [2018-07-23 13:41:03,458 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2018-07-23 13:41:03,459 INFO L225 Difference]: With dead ends: 106 [2018-07-23 13:41:03,459 INFO L226 Difference]: Without dead ends: 104 [2018-07-23 13:41:03,460 INFO L575 BasicCegarLoop]: 0 DeclaredPredicates, 101 GetRequests, 1 SyntacticMatches, 0 SemanticMatches, 100 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 0 ImplicationChecksByTransitivity, 0.3s TimeCoverageRelationStatistics Valid=5151, Invalid=5151, Unknown=0, NotChecked=0, Total=10302 [2018-07-23 13:41:03,460 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 104 states. [2018-07-23 13:41:03,462 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 104 to 104. [2018-07-23 13:41:03,462 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 104 states. [2018-07-23 13:41:03,463 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 104 states to 104 states and 104 transitions. [2018-07-23 13:41:03,463 INFO L78 Accepts]: Start accepts. Automaton has 104 states and 104 transitions. Word has length 102 [2018-07-23 13:41:03,463 INFO L84 Accepts]: Finished accepts. word is rejected. [2018-07-23 13:41:03,463 INFO L471 AbstractCegarLoop]: Abstraction has 104 states and 104 transitions. [2018-07-23 13:41:03,463 INFO L472 AbstractCegarLoop]: Interpolant automaton has 102 states. [2018-07-23 13:41:03,463 INFO L276 IsEmpty]: Start isEmpty. Operand 104 states and 104 transitions. [2018-07-23 13:41:03,464 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 104 [2018-07-23 13:41:03,464 INFO L349 BasicCegarLoop]: Found error trace [2018-07-23 13:41:03,464 INFO L357 BasicCegarLoop]: trace histogram [100, 1, 1, 1] [2018-07-23 13:41:03,464 INFO L414 AbstractCegarLoop]: === Iteration 101 === [ULTIMATE.startErr0AssertViolationASSERT]=== [2018-07-23 13:41:03,465 INFO L82 PathProgramCache]: Analyzing trace with hash -548544255, now seen corresponding path program 100 times [2018-07-23 13:41:03,465 INFO L69 tionRefinementEngine]: Using refinement strategy FixedRefinementStrategy [2018-07-23 13:41:03,494 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-07-23 13:41:03,907 INFO L134 CoverageAnalysis]: Checked inductivity of 5050 backedges. 0 proven. 5050 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2018-07-23 13:41:03,907 INFO L309 seRefinementStrategy]: Constructing automaton from 0 perfect and 1 imperfect interpolant sequences. [2018-07-23 13:41:03,908 INFO L324 seRefinementStrategy]: Number of different interpolants: perfect sequences [] imperfect sequences [102] total 102 [2018-07-23 13:41:03,908 INFO L142 lantAutomatonBuilder]: Constructing canonical interpolant automaton, with selfloop in false state [2018-07-23 13:41:03,908 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2018-07-23 13:41:03,908 INFO L185 omatonBuilderFactory]: Interpolants [27460#true, 27461#false, 27462#(<= ULTIMATE.start_main_~k~5 0), 27463#(<= ULTIMATE.start_main_~k~5 1), 27464#(<= ULTIMATE.start_main_~k~5 2), 27465#(<= ULTIMATE.start_main_~k~5 3), 27466#(<= ULTIMATE.start_main_~k~5 4), 27467#(<= ULTIMATE.start_main_~k~5 5), 27468#(<= ULTIMATE.start_main_~k~5 6), 27469#(<= ULTIMATE.start_main_~k~5 7), 27470#(<= ULTIMATE.start_main_~k~5 8), 27471#(<= ULTIMATE.start_main_~k~5 9), 27472#(<= ULTIMATE.start_main_~k~5 10), 27473#(<= ULTIMATE.start_main_~k~5 11), 27474#(<= ULTIMATE.start_main_~k~5 12), 27475#(<= ULTIMATE.start_main_~k~5 13), 27476#(<= ULTIMATE.start_main_~k~5 14), 27477#(<= ULTIMATE.start_main_~k~5 15), 27478#(<= ULTIMATE.start_main_~k~5 16), 27479#(<= ULTIMATE.start_main_~k~5 17), 27480#(<= ULTIMATE.start_main_~k~5 18), 27481#(<= ULTIMATE.start_main_~k~5 19), 27482#(<= ULTIMATE.start_main_~k~5 20), 27483#(<= ULTIMATE.start_main_~k~5 21), 27484#(<= ULTIMATE.start_main_~k~5 22), 27485#(<= ULTIMATE.start_main_~k~5 23), 27486#(<= ULTIMATE.start_main_~k~5 24), 27487#(<= ULTIMATE.start_main_~k~5 25), 27488#(<= ULTIMATE.start_main_~k~5 26), 27489#(<= ULTIMATE.start_main_~k~5 27), 27490#(<= ULTIMATE.start_main_~k~5 28), 27491#(<= ULTIMATE.start_main_~k~5 29), 27492#(<= ULTIMATE.start_main_~k~5 30), 27493#(<= ULTIMATE.start_main_~k~5 31), 27494#(<= ULTIMATE.start_main_~k~5 32), 27495#(<= ULTIMATE.start_main_~k~5 33), 27496#(<= ULTIMATE.start_main_~k~5 34), 27497#(<= ULTIMATE.start_main_~k~5 35), 27498#(<= ULTIMATE.start_main_~k~5 36), 27499#(<= ULTIMATE.start_main_~k~5 37), 27500#(<= ULTIMATE.start_main_~k~5 38), 27501#(<= ULTIMATE.start_main_~k~5 39), 27502#(<= ULTIMATE.start_main_~k~5 40), 27503#(<= ULTIMATE.start_main_~k~5 41), 27504#(<= ULTIMATE.start_main_~k~5 42), 27505#(<= ULTIMATE.start_main_~k~5 43), 27506#(<= ULTIMATE.start_main_~k~5 44), 27507#(<= ULTIMATE.start_main_~k~5 45), 27508#(<= ULTIMATE.start_main_~k~5 46), 27509#(<= ULTIMATE.start_main_~k~5 47), 27510#(<= ULTIMATE.start_main_~k~5 48), 27511#(<= ULTIMATE.start_main_~k~5 49), 27512#(<= ULTIMATE.start_main_~k~5 50), 27513#(<= ULTIMATE.start_main_~k~5 51), 27514#(<= ULTIMATE.start_main_~k~5 52), 27515#(<= ULTIMATE.start_main_~k~5 53), 27516#(<= ULTIMATE.start_main_~k~5 54), 27517#(<= ULTIMATE.start_main_~k~5 55), 27518#(<= ULTIMATE.start_main_~k~5 56), 27519#(<= ULTIMATE.start_main_~k~5 57), 27520#(<= ULTIMATE.start_main_~k~5 58), 27521#(<= ULTIMATE.start_main_~k~5 59), 27522#(<= ULTIMATE.start_main_~k~5 60), 27523#(<= ULTIMATE.start_main_~k~5 61), 27524#(<= ULTIMATE.start_main_~k~5 62), 27525#(<= ULTIMATE.start_main_~k~5 63), 27526#(<= ULTIMATE.start_main_~k~5 64), 27527#(<= ULTIMATE.start_main_~k~5 65), 27528#(<= ULTIMATE.start_main_~k~5 66), 27529#(<= ULTIMATE.start_main_~k~5 67), 27530#(<= ULTIMATE.start_main_~k~5 68), 27531#(<= ULTIMATE.start_main_~k~5 69), 27532#(<= ULTIMATE.start_main_~k~5 70), 27533#(<= ULTIMATE.start_main_~k~5 71), 27534#(<= ULTIMATE.start_main_~k~5 72), 27535#(<= ULTIMATE.start_main_~k~5 73), 27536#(<= ULTIMATE.start_main_~k~5 74), 27537#(<= ULTIMATE.start_main_~k~5 75), 27538#(<= ULTIMATE.start_main_~k~5 76), 27539#(<= ULTIMATE.start_main_~k~5 77), 27540#(<= ULTIMATE.start_main_~k~5 78), 27541#(<= ULTIMATE.start_main_~k~5 79), 27542#(<= ULTIMATE.start_main_~k~5 80), 27543#(<= ULTIMATE.start_main_~k~5 81), 27544#(<= ULTIMATE.start_main_~k~5 82), 27545#(<= ULTIMATE.start_main_~k~5 83), 27546#(<= ULTIMATE.start_main_~k~5 84), 27547#(<= ULTIMATE.start_main_~k~5 85), 27548#(<= ULTIMATE.start_main_~k~5 86), 27549#(<= ULTIMATE.start_main_~k~5 87), 27550#(<= ULTIMATE.start_main_~k~5 88), 27551#(<= ULTIMATE.start_main_~k~5 89), 27552#(<= ULTIMATE.start_main_~k~5 90), 27553#(<= ULTIMATE.start_main_~k~5 91), 27554#(<= ULTIMATE.start_main_~k~5 92), 27555#(<= ULTIMATE.start_main_~k~5 93), 27556#(<= ULTIMATE.start_main_~k~5 94), 27557#(<= ULTIMATE.start_main_~k~5 95), 27558#(<= ULTIMATE.start_main_~k~5 96), 27559#(<= ULTIMATE.start_main_~k~5 97), 27560#(<= ULTIMATE.start_main_~k~5 98), 27561#(<= ULTIMATE.start_main_~k~5 99), 27562#(<= ULTIMATE.start_main_~k~5 100)] [2018-07-23 13:41:03,909 INFO L134 CoverageAnalysis]: Checked inductivity of 5050 backedges. 0 proven. 5050 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2018-07-23 13:41:03,909 INFO L450 AbstractCegarLoop]: Interpolant automaton has 103 states [2018-07-23 13:41:03,911 INFO L132 InterpolantAutomaton]: Constructing interpolant automaton starting with 103 interpolants. [2018-07-23 13:41:03,911 INFO L133 InterpolantAutomaton]: CoverageRelationStatistics Valid=5253, Invalid=5253, Unknown=0, NotChecked=0, Total=10506 [2018-07-23 13:41:03,912 INFO L87 Difference]: Start difference. First operand 104 states and 104 transitions. Second operand 103 states. [2018-07-23 13:41:04,020 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2018-07-23 13:41:04,020 INFO L93 Difference]: Finished difference Result 107 states and 107 transitions. [2018-07-23 13:41:04,020 INFO L142 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 103 states. [2018-07-23 13:41:04,021 INFO L78 Accepts]: Start accepts. Automaton has 103 states. Word has length 103 [2018-07-23 13:41:04,021 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2018-07-23 13:41:04,022 INFO L225 Difference]: With dead ends: 107 [2018-07-23 13:41:04,022 INFO L226 Difference]: Without dead ends: 105 [2018-07-23 13:41:04,023 INFO L575 BasicCegarLoop]: 0 DeclaredPredicates, 102 GetRequests, 1 SyntacticMatches, 0 SemanticMatches, 101 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 0 ImplicationChecksByTransitivity, 0.3s TimeCoverageRelationStatistics Valid=5253, Invalid=5253, Unknown=0, NotChecked=0, Total=10506 [2018-07-23 13:41:04,023 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 105 states. [2018-07-23 13:41:04,027 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 105 to 105. [2018-07-23 13:41:04,028 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 105 states. [2018-07-23 13:41:04,028 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 105 states to 105 states and 105 transitions. [2018-07-23 13:41:04,028 INFO L78 Accepts]: Start accepts. Automaton has 105 states and 105 transitions. Word has length 103 [2018-07-23 13:41:04,029 INFO L84 Accepts]: Finished accepts. word is rejected. [2018-07-23 13:41:04,029 INFO L471 AbstractCegarLoop]: Abstraction has 105 states and 105 transitions. [2018-07-23 13:41:04,029 INFO L472 AbstractCegarLoop]: Interpolant automaton has 103 states. [2018-07-23 13:41:04,029 INFO L276 IsEmpty]: Start isEmpty. Operand 105 states and 105 transitions. [2018-07-23 13:41:04,030 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 105 [2018-07-23 13:41:04,030 INFO L349 BasicCegarLoop]: Found error trace [2018-07-23 13:41:04,030 INFO L357 BasicCegarLoop]: trace histogram [101, 1, 1, 1] [2018-07-23 13:41:04,030 INFO L414 AbstractCegarLoop]: === Iteration 102 === [ULTIMATE.startErr0AssertViolationASSERT]=== [2018-07-23 13:41:04,030 INFO L82 PathProgramCache]: Analyzing trace with hash 174995304, now seen corresponding path program 101 times [2018-07-23 13:41:04,030 INFO L69 tionRefinementEngine]: Using refinement strategy FixedRefinementStrategy [2018-07-23 13:41:04,066 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-07-23 13:41:04,488 INFO L134 CoverageAnalysis]: Checked inductivity of 5151 backedges. 0 proven. 5151 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2018-07-23 13:41:04,489 INFO L309 seRefinementStrategy]: Constructing automaton from 0 perfect and 1 imperfect interpolant sequences. [2018-07-23 13:41:04,489 INFO L324 seRefinementStrategy]: Number of different interpolants: perfect sequences [] imperfect sequences [103] total 103 [2018-07-23 13:41:04,489 INFO L142 lantAutomatonBuilder]: Constructing canonical interpolant automaton, with selfloop in false state [2018-07-23 13:41:04,489 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2018-07-23 13:41:04,490 INFO L185 omatonBuilderFactory]: Interpolants [27987#true, 27988#false, 27989#(<= ULTIMATE.start_main_~k~5 0), 27990#(<= ULTIMATE.start_main_~k~5 1), 27991#(<= ULTIMATE.start_main_~k~5 2), 27992#(<= ULTIMATE.start_main_~k~5 3), 27993#(<= ULTIMATE.start_main_~k~5 4), 27994#(<= ULTIMATE.start_main_~k~5 5), 27995#(<= ULTIMATE.start_main_~k~5 6), 27996#(<= ULTIMATE.start_main_~k~5 7), 27997#(<= ULTIMATE.start_main_~k~5 8), 27998#(<= ULTIMATE.start_main_~k~5 9), 27999#(<= ULTIMATE.start_main_~k~5 10), 28000#(<= ULTIMATE.start_main_~k~5 11), 28001#(<= ULTIMATE.start_main_~k~5 12), 28002#(<= ULTIMATE.start_main_~k~5 13), 28003#(<= ULTIMATE.start_main_~k~5 14), 28004#(<= ULTIMATE.start_main_~k~5 15), 28005#(<= ULTIMATE.start_main_~k~5 16), 28006#(<= ULTIMATE.start_main_~k~5 17), 28007#(<= ULTIMATE.start_main_~k~5 18), 28008#(<= ULTIMATE.start_main_~k~5 19), 28009#(<= ULTIMATE.start_main_~k~5 20), 28010#(<= ULTIMATE.start_main_~k~5 21), 28011#(<= ULTIMATE.start_main_~k~5 22), 28012#(<= ULTIMATE.start_main_~k~5 23), 28013#(<= ULTIMATE.start_main_~k~5 24), 28014#(<= ULTIMATE.start_main_~k~5 25), 28015#(<= ULTIMATE.start_main_~k~5 26), 28016#(<= ULTIMATE.start_main_~k~5 27), 28017#(<= ULTIMATE.start_main_~k~5 28), 28018#(<= ULTIMATE.start_main_~k~5 29), 28019#(<= ULTIMATE.start_main_~k~5 30), 28020#(<= ULTIMATE.start_main_~k~5 31), 28021#(<= ULTIMATE.start_main_~k~5 32), 28022#(<= ULTIMATE.start_main_~k~5 33), 28023#(<= ULTIMATE.start_main_~k~5 34), 28024#(<= ULTIMATE.start_main_~k~5 35), 28025#(<= ULTIMATE.start_main_~k~5 36), 28026#(<= ULTIMATE.start_main_~k~5 37), 28027#(<= ULTIMATE.start_main_~k~5 38), 28028#(<= ULTIMATE.start_main_~k~5 39), 28029#(<= ULTIMATE.start_main_~k~5 40), 28030#(<= ULTIMATE.start_main_~k~5 41), 28031#(<= ULTIMATE.start_main_~k~5 42), 28032#(<= ULTIMATE.start_main_~k~5 43), 28033#(<= ULTIMATE.start_main_~k~5 44), 28034#(<= ULTIMATE.start_main_~k~5 45), 28035#(<= ULTIMATE.start_main_~k~5 46), 28036#(<= ULTIMATE.start_main_~k~5 47), 28037#(<= ULTIMATE.start_main_~k~5 48), 28038#(<= ULTIMATE.start_main_~k~5 49), 28039#(<= ULTIMATE.start_main_~k~5 50), 28040#(<= ULTIMATE.start_main_~k~5 51), 28041#(<= ULTIMATE.start_main_~k~5 52), 28042#(<= ULTIMATE.start_main_~k~5 53), 28043#(<= ULTIMATE.start_main_~k~5 54), 28044#(<= ULTIMATE.start_main_~k~5 55), 28045#(<= ULTIMATE.start_main_~k~5 56), 28046#(<= ULTIMATE.start_main_~k~5 57), 28047#(<= ULTIMATE.start_main_~k~5 58), 28048#(<= ULTIMATE.start_main_~k~5 59), 28049#(<= ULTIMATE.start_main_~k~5 60), 28050#(<= ULTIMATE.start_main_~k~5 61), 28051#(<= ULTIMATE.start_main_~k~5 62), 28052#(<= ULTIMATE.start_main_~k~5 63), 28053#(<= ULTIMATE.start_main_~k~5 64), 28054#(<= ULTIMATE.start_main_~k~5 65), 28055#(<= ULTIMATE.start_main_~k~5 66), 28056#(<= ULTIMATE.start_main_~k~5 67), 28057#(<= ULTIMATE.start_main_~k~5 68), 28058#(<= ULTIMATE.start_main_~k~5 69), 28059#(<= ULTIMATE.start_main_~k~5 70), 28060#(<= ULTIMATE.start_main_~k~5 71), 28061#(<= ULTIMATE.start_main_~k~5 72), 28062#(<= ULTIMATE.start_main_~k~5 73), 28063#(<= ULTIMATE.start_main_~k~5 74), 28064#(<= ULTIMATE.start_main_~k~5 75), 28065#(<= ULTIMATE.start_main_~k~5 76), 28066#(<= ULTIMATE.start_main_~k~5 77), 28067#(<= ULTIMATE.start_main_~k~5 78), 28068#(<= ULTIMATE.start_main_~k~5 79), 28069#(<= ULTIMATE.start_main_~k~5 80), 28070#(<= ULTIMATE.start_main_~k~5 81), 28071#(<= ULTIMATE.start_main_~k~5 82), 28072#(<= ULTIMATE.start_main_~k~5 83), 28073#(<= ULTIMATE.start_main_~k~5 84), 28074#(<= ULTIMATE.start_main_~k~5 85), 28075#(<= ULTIMATE.start_main_~k~5 86), 28076#(<= ULTIMATE.start_main_~k~5 87), 28077#(<= ULTIMATE.start_main_~k~5 88), 28078#(<= ULTIMATE.start_main_~k~5 89), 28079#(<= ULTIMATE.start_main_~k~5 90), 28080#(<= ULTIMATE.start_main_~k~5 91), 28081#(<= ULTIMATE.start_main_~k~5 92), 28082#(<= ULTIMATE.start_main_~k~5 93), 28083#(<= ULTIMATE.start_main_~k~5 94), 28084#(<= ULTIMATE.start_main_~k~5 95), 28085#(<= ULTIMATE.start_main_~k~5 96), 28086#(<= ULTIMATE.start_main_~k~5 97), 28087#(<= ULTIMATE.start_main_~k~5 98), 28088#(<= ULTIMATE.start_main_~k~5 99), 28089#(<= ULTIMATE.start_main_~k~5 100), 28090#(<= ULTIMATE.start_main_~k~5 101)] [2018-07-23 13:41:04,491 INFO L134 CoverageAnalysis]: Checked inductivity of 5151 backedges. 0 proven. 5151 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2018-07-23 13:41:04,491 INFO L450 AbstractCegarLoop]: Interpolant automaton has 104 states [2018-07-23 13:41:04,493 INFO L132 InterpolantAutomaton]: Constructing interpolant automaton starting with 104 interpolants. [2018-07-23 13:41:04,493 INFO L133 InterpolantAutomaton]: CoverageRelationStatistics Valid=5356, Invalid=5356, Unknown=0, NotChecked=0, Total=10712 [2018-07-23 13:41:04,493 INFO L87 Difference]: Start difference. First operand 105 states and 105 transitions. Second operand 104 states. [2018-07-23 13:41:04,606 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2018-07-23 13:41:04,606 INFO L93 Difference]: Finished difference Result 108 states and 108 transitions. [2018-07-23 13:41:04,606 INFO L142 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 104 states. [2018-07-23 13:41:04,606 INFO L78 Accepts]: Start accepts. Automaton has 104 states. Word has length 104 [2018-07-23 13:41:04,607 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2018-07-23 13:41:04,608 INFO L225 Difference]: With dead ends: 108 [2018-07-23 13:41:04,608 INFO L226 Difference]: Without dead ends: 106 [2018-07-23 13:41:04,609 INFO L575 BasicCegarLoop]: 0 DeclaredPredicates, 103 GetRequests, 1 SyntacticMatches, 0 SemanticMatches, 102 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 0 ImplicationChecksByTransitivity, 0.3s TimeCoverageRelationStatistics Valid=5356, Invalid=5356, Unknown=0, NotChecked=0, Total=10712 [2018-07-23 13:41:04,609 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 106 states. [2018-07-23 13:41:04,616 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 106 to 106. [2018-07-23 13:41:04,616 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 106 states. [2018-07-23 13:41:04,617 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 106 states to 106 states and 106 transitions. [2018-07-23 13:41:04,617 INFO L78 Accepts]: Start accepts. Automaton has 106 states and 106 transitions. Word has length 104 [2018-07-23 13:41:04,617 INFO L84 Accepts]: Finished accepts. word is rejected. [2018-07-23 13:41:04,617 INFO L471 AbstractCegarLoop]: Abstraction has 106 states and 106 transitions. [2018-07-23 13:41:04,617 INFO L472 AbstractCegarLoop]: Interpolant automaton has 104 states. [2018-07-23 13:41:04,617 INFO L276 IsEmpty]: Start isEmpty. Operand 106 states and 106 transitions. [2018-07-23 13:41:04,618 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 106 [2018-07-23 13:41:04,618 INFO L349 BasicCegarLoop]: Found error trace [2018-07-23 13:41:04,618 INFO L357 BasicCegarLoop]: trace histogram [102, 1, 1, 1] [2018-07-23 13:41:04,618 INFO L414 AbstractCegarLoop]: === Iteration 103 === [ULTIMATE.startErr0AssertViolationASSERT]=== [2018-07-23 13:41:04,618 INFO L82 PathProgramCache]: Analyzing trace with hash 1129885153, now seen corresponding path program 102 times [2018-07-23 13:41:04,619 INFO L69 tionRefinementEngine]: Using refinement strategy FixedRefinementStrategy [2018-07-23 13:41:04,653 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-07-23 13:41:05,014 INFO L134 CoverageAnalysis]: Checked inductivity of 5253 backedges. 0 proven. 5253 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2018-07-23 13:41:05,014 INFO L309 seRefinementStrategy]: Constructing automaton from 0 perfect and 1 imperfect interpolant sequences. [2018-07-23 13:41:05,015 INFO L324 seRefinementStrategy]: Number of different interpolants: perfect sequences [] imperfect sequences [104] total 104 [2018-07-23 13:41:05,015 INFO L142 lantAutomatonBuilder]: Constructing canonical interpolant automaton, with selfloop in false state [2018-07-23 13:41:05,015 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 13:41:05,015 INFO L185 omatonBuilderFactory]: Interpolants [28519#true, 28520#false, 28521#(<= ULTIMATE.start_main_~k~5 0), 28522#(<= ULTIMATE.start_main_~k~5 1), 28523#(<= ULTIMATE.start_main_~k~5 2), 28524#(<= ULTIMATE.start_main_~k~5 3), 28525#(<= ULTIMATE.start_main_~k~5 4), 28526#(<= ULTIMATE.start_main_~k~5 5), 28527#(<= ULTIMATE.start_main_~k~5 6), 28528#(<= ULTIMATE.start_main_~k~5 7), 28529#(<= ULTIMATE.start_main_~k~5 8), 28530#(<= ULTIMATE.start_main_~k~5 9), 28531#(<= ULTIMATE.start_main_~k~5 10), 28532#(<= ULTIMATE.start_main_~k~5 11), 28533#(<= ULTIMATE.start_main_~k~5 12), 28534#(<= ULTIMATE.start_main_~k~5 13), 28535#(<= ULTIMATE.start_main_~k~5 14), 28536#(<= ULTIMATE.start_main_~k~5 15), 28537#(<= ULTIMATE.start_main_~k~5 16), 28538#(<= ULTIMATE.start_main_~k~5 17), 28539#(<= ULTIMATE.start_main_~k~5 18), 28540#(<= ULTIMATE.start_main_~k~5 19), 28541#(<= ULTIMATE.start_main_~k~5 20), 28542#(<= ULTIMATE.start_main_~k~5 21), 28543#(<= ULTIMATE.start_main_~k~5 22), 28544#(<= ULTIMATE.start_main_~k~5 23), 28545#(<= ULTIMATE.start_main_~k~5 24), 28546#(<= ULTIMATE.start_main_~k~5 25), 28547#(<= ULTIMATE.start_main_~k~5 26), 28548#(<= ULTIMATE.start_main_~k~5 27), 28549#(<= ULTIMATE.start_main_~k~5 28), 28550#(<= ULTIMATE.start_main_~k~5 29), 28551#(<= ULTIMATE.start_main_~k~5 30), 28552#(<= ULTIMATE.start_main_~k~5 31), 28553#(<= ULTIMATE.start_main_~k~5 32), 28554#(<= ULTIMATE.start_main_~k~5 33), 28555#(<= ULTIMATE.start_main_~k~5 34), 28556#(<= ULTIMATE.start_main_~k~5 35), 28557#(<= ULTIMATE.start_main_~k~5 36), 28558#(<= ULTIMATE.start_main_~k~5 37), 28559#(<= ULTIMATE.start_main_~k~5 38), 28560#(<= ULTIMATE.start_main_~k~5 39), 28561#(<= ULTIMATE.start_main_~k~5 40), 28562#(<= ULTIMATE.start_main_~k~5 41), 28563#(<= ULTIMATE.start_main_~k~5 42), 28564#(<= ULTIMATE.start_main_~k~5 43), 28565#(<= ULTIMATE.start_main_~k~5 44), 28566#(<= ULTIMATE.start_main_~k~5 45), 28567#(<= ULTIMATE.start_main_~k~5 46), 28568#(<= ULTIMATE.start_main_~k~5 47), 28569#(<= ULTIMATE.start_main_~k~5 48), 28570#(<= ULTIMATE.start_main_~k~5 49), 28571#(<= ULTIMATE.start_main_~k~5 50), 28572#(<= ULTIMATE.start_main_~k~5 51), 28573#(<= ULTIMATE.start_main_~k~5 52), 28574#(<= ULTIMATE.start_main_~k~5 53), 28575#(<= ULTIMATE.start_main_~k~5 54), 28576#(<= ULTIMATE.start_main_~k~5 55), 28577#(<= ULTIMATE.start_main_~k~5 56), 28578#(<= ULTIMATE.start_main_~k~5 57), 28579#(<= ULTIMATE.start_main_~k~5 58), 28580#(<= ULTIMATE.start_main_~k~5 59), 28581#(<= ULTIMATE.start_main_~k~5 60), 28582#(<= ULTIMATE.start_main_~k~5 61), 28583#(<= ULTIMATE.start_main_~k~5 62), 28584#(<= ULTIMATE.start_main_~k~5 63), 28585#(<= ULTIMATE.start_main_~k~5 64), 28586#(<= ULTIMATE.start_main_~k~5 65), 28587#(<= ULTIMATE.start_main_~k~5 66), 28588#(<= ULTIMATE.start_main_~k~5 67), 28589#(<= ULTIMATE.start_main_~k~5 68), 28590#(<= ULTIMATE.start_main_~k~5 69), 28591#(<= ULTIMATE.start_main_~k~5 70), 28592#(<= ULTIMATE.start_main_~k~5 71), 28593#(<= ULTIMATE.start_main_~k~5 72), 28594#(<= ULTIMATE.start_main_~k~5 73), 28595#(<= ULTIMATE.start_main_~k~5 74), 28596#(<= ULTIMATE.start_main_~k~5 75), 28597#(<= ULTIMATE.start_main_~k~5 76), 28598#(<= ULTIMATE.start_main_~k~5 77), 28599#(<= ULTIMATE.start_main_~k~5 78), 28600#(<= ULTIMATE.start_main_~k~5 79), 28601#(<= ULTIMATE.start_main_~k~5 80), 28602#(<= ULTIMATE.start_main_~k~5 81), 28603#(<= ULTIMATE.start_main_~k~5 82), 28604#(<= ULTIMATE.start_main_~k~5 83), 28605#(<= ULTIMATE.start_main_~k~5 84), 28606#(<= ULTIMATE.start_main_~k~5 85), 28607#(<= ULTIMATE.start_main_~k~5 86), 28608#(<= ULTIMATE.start_main_~k~5 87), 28609#(<= ULTIMATE.start_main_~k~5 88), 28610#(<= ULTIMATE.start_main_~k~5 89), 28611#(<= ULTIMATE.start_main_~k~5 90), 28612#(<= ULTIMATE.start_main_~k~5 91), 28613#(<= ULTIMATE.start_main_~k~5 92), 28614#(<= ULTIMATE.start_main_~k~5 93), 28615#(<= ULTIMATE.start_main_~k~5 94), 28616#(<= ULTIMATE.start_main_~k~5 95), 28617#(<= ULTIMATE.start_main_~k~5 96), 28618#(<= ULTIMATE.start_main_~k~5 97), 28619#(<= ULTIMATE.start_main_~k~5 98), 28620#(<= ULTIMATE.start_main_~k~5 99), 28621#(<= ULTIMATE.start_main_~k~5 100), 28622#(<= ULTIMATE.start_main_~k~5 101), 28623#(<= ULTIMATE.start_main_~k~5 102)] [2018-07-23 13:41:05,016 INFO L134 CoverageAnalysis]: Checked inductivity of 5253 backedges. 0 proven. 5253 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2018-07-23 13:41:05,016 INFO L450 AbstractCegarLoop]: Interpolant automaton has 105 states [2018-07-23 13:41:05,017 INFO L132 InterpolantAutomaton]: Constructing interpolant automaton starting with 105 interpolants. [2018-07-23 13:41:05,017 INFO L133 InterpolantAutomaton]: CoverageRelationStatistics Valid=5460, Invalid=5460, Unknown=0, NotChecked=0, Total=10920 [2018-07-23 13:41:05,017 INFO L87 Difference]: Start difference. First operand 106 states and 106 transitions. Second operand 105 states. [2018-07-23 13:41:05,117 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2018-07-23 13:41:05,117 INFO L93 Difference]: Finished difference Result 109 states and 109 transitions. [2018-07-23 13:41:05,117 INFO L142 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 105 states. [2018-07-23 13:41:05,117 INFO L78 Accepts]: Start accepts. Automaton has 105 states. Word has length 105 [2018-07-23 13:41:05,117 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2018-07-23 13:41:05,118 INFO L225 Difference]: With dead ends: 109 [2018-07-23 13:41:05,118 INFO L226 Difference]: Without dead ends: 107 [2018-07-23 13:41:05,119 INFO L575 BasicCegarLoop]: 0 DeclaredPredicates, 104 GetRequests, 1 SyntacticMatches, 0 SemanticMatches, 103 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 0 ImplicationChecksByTransitivity, 0.3s TimeCoverageRelationStatistics Valid=5460, Invalid=5460, Unknown=0, NotChecked=0, Total=10920 [2018-07-23 13:41:05,119 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 107 states. [2018-07-23 13:41:05,122 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 107 to 107. [2018-07-23 13:41:05,122 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 107 states. [2018-07-23 13:41:05,122 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 107 states to 107 states and 107 transitions. [2018-07-23 13:41:05,122 INFO L78 Accepts]: Start accepts. Automaton has 107 states and 107 transitions. Word has length 105 [2018-07-23 13:41:05,123 INFO L84 Accepts]: Finished accepts. word is rejected. [2018-07-23 13:41:05,123 INFO L471 AbstractCegarLoop]: Abstraction has 107 states and 107 transitions. [2018-07-23 13:41:05,123 INFO L472 AbstractCegarLoop]: Interpolant automaton has 105 states. [2018-07-23 13:41:05,123 INFO L276 IsEmpty]: Start isEmpty. Operand 107 states and 107 transitions. [2018-07-23 13:41:05,123 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 107 [2018-07-23 13:41:05,123 INFO L349 BasicCegarLoop]: Found error trace [2018-07-23 13:41:05,124 INFO L357 BasicCegarLoop]: trace histogram [103, 1, 1, 1] [2018-07-23 13:41:05,124 INFO L414 AbstractCegarLoop]: === Iteration 104 === [ULTIMATE.startErr0AssertViolationASSERT]=== [2018-07-23 13:41:05,124 INFO L82 PathProgramCache]: Analyzing trace with hash 666699400, now seen corresponding path program 103 times [2018-07-23 13:41:05,124 INFO L69 tionRefinementEngine]: Using refinement strategy FixedRefinementStrategy [2018-07-23 13:41:05,159 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-07-23 13:41:05,548 INFO L134 CoverageAnalysis]: Checked inductivity of 5356 backedges. 0 proven. 5356 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2018-07-23 13:41:05,548 INFO L309 seRefinementStrategy]: Constructing automaton from 0 perfect and 1 imperfect interpolant sequences. [2018-07-23 13:41:05,548 INFO L324 seRefinementStrategy]: Number of different interpolants: perfect sequences [] imperfect sequences [105] total 105 [2018-07-23 13:41:05,549 INFO L142 lantAutomatonBuilder]: Constructing canonical interpolant automaton, with selfloop in false state [2018-07-23 13:41:05,549 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2018-07-23 13:41:05,549 INFO L185 omatonBuilderFactory]: Interpolants [29056#true, 29057#false, 29058#(<= ULTIMATE.start_main_~k~5 0), 29059#(<= ULTIMATE.start_main_~k~5 1), 29060#(<= ULTIMATE.start_main_~k~5 2), 29061#(<= ULTIMATE.start_main_~k~5 3), 29062#(<= ULTIMATE.start_main_~k~5 4), 29063#(<= ULTIMATE.start_main_~k~5 5), 29064#(<= ULTIMATE.start_main_~k~5 6), 29065#(<= ULTIMATE.start_main_~k~5 7), 29066#(<= ULTIMATE.start_main_~k~5 8), 29067#(<= ULTIMATE.start_main_~k~5 9), 29068#(<= ULTIMATE.start_main_~k~5 10), 29069#(<= ULTIMATE.start_main_~k~5 11), 29070#(<= ULTIMATE.start_main_~k~5 12), 29071#(<= ULTIMATE.start_main_~k~5 13), 29072#(<= ULTIMATE.start_main_~k~5 14), 29073#(<= ULTIMATE.start_main_~k~5 15), 29074#(<= ULTIMATE.start_main_~k~5 16), 29075#(<= ULTIMATE.start_main_~k~5 17), 29076#(<= ULTIMATE.start_main_~k~5 18), 29077#(<= ULTIMATE.start_main_~k~5 19), 29078#(<= ULTIMATE.start_main_~k~5 20), 29079#(<= ULTIMATE.start_main_~k~5 21), 29080#(<= ULTIMATE.start_main_~k~5 22), 29081#(<= ULTIMATE.start_main_~k~5 23), 29082#(<= ULTIMATE.start_main_~k~5 24), 29083#(<= ULTIMATE.start_main_~k~5 25), 29084#(<= ULTIMATE.start_main_~k~5 26), 29085#(<= ULTIMATE.start_main_~k~5 27), 29086#(<= ULTIMATE.start_main_~k~5 28), 29087#(<= ULTIMATE.start_main_~k~5 29), 29088#(<= ULTIMATE.start_main_~k~5 30), 29089#(<= ULTIMATE.start_main_~k~5 31), 29090#(<= ULTIMATE.start_main_~k~5 32), 29091#(<= ULTIMATE.start_main_~k~5 33), 29092#(<= ULTIMATE.start_main_~k~5 34), 29093#(<= ULTIMATE.start_main_~k~5 35), 29094#(<= ULTIMATE.start_main_~k~5 36), 29095#(<= ULTIMATE.start_main_~k~5 37), 29096#(<= ULTIMATE.start_main_~k~5 38), 29097#(<= ULTIMATE.start_main_~k~5 39), 29098#(<= ULTIMATE.start_main_~k~5 40), 29099#(<= ULTIMATE.start_main_~k~5 41), 29100#(<= ULTIMATE.start_main_~k~5 42), 29101#(<= ULTIMATE.start_main_~k~5 43), 29102#(<= ULTIMATE.start_main_~k~5 44), 29103#(<= ULTIMATE.start_main_~k~5 45), 29104#(<= ULTIMATE.start_main_~k~5 46), 29105#(<= ULTIMATE.start_main_~k~5 47), 29106#(<= ULTIMATE.start_main_~k~5 48), 29107#(<= ULTIMATE.start_main_~k~5 49), 29108#(<= ULTIMATE.start_main_~k~5 50), 29109#(<= ULTIMATE.start_main_~k~5 51), 29110#(<= ULTIMATE.start_main_~k~5 52), 29111#(<= ULTIMATE.start_main_~k~5 53), 29112#(<= ULTIMATE.start_main_~k~5 54), 29113#(<= ULTIMATE.start_main_~k~5 55), 29114#(<= ULTIMATE.start_main_~k~5 56), 29115#(<= ULTIMATE.start_main_~k~5 57), 29116#(<= ULTIMATE.start_main_~k~5 58), 29117#(<= ULTIMATE.start_main_~k~5 59), 29118#(<= ULTIMATE.start_main_~k~5 60), 29119#(<= ULTIMATE.start_main_~k~5 61), 29120#(<= ULTIMATE.start_main_~k~5 62), 29121#(<= ULTIMATE.start_main_~k~5 63), 29122#(<= ULTIMATE.start_main_~k~5 64), 29123#(<= ULTIMATE.start_main_~k~5 65), 29124#(<= ULTIMATE.start_main_~k~5 66), 29125#(<= ULTIMATE.start_main_~k~5 67), 29126#(<= ULTIMATE.start_main_~k~5 68), 29127#(<= ULTIMATE.start_main_~k~5 69), 29128#(<= ULTIMATE.start_main_~k~5 70), 29129#(<= ULTIMATE.start_main_~k~5 71), 29130#(<= ULTIMATE.start_main_~k~5 72), 29131#(<= ULTIMATE.start_main_~k~5 73), 29132#(<= ULTIMATE.start_main_~k~5 74), 29133#(<= ULTIMATE.start_main_~k~5 75), 29134#(<= ULTIMATE.start_main_~k~5 76), 29135#(<= ULTIMATE.start_main_~k~5 77), 29136#(<= ULTIMATE.start_main_~k~5 78), 29137#(<= ULTIMATE.start_main_~k~5 79), 29138#(<= ULTIMATE.start_main_~k~5 80), 29139#(<= ULTIMATE.start_main_~k~5 81), 29140#(<= ULTIMATE.start_main_~k~5 82), 29141#(<= ULTIMATE.start_main_~k~5 83), 29142#(<= ULTIMATE.start_main_~k~5 84), 29143#(<= ULTIMATE.start_main_~k~5 85), 29144#(<= ULTIMATE.start_main_~k~5 86), 29145#(<= ULTIMATE.start_main_~k~5 87), 29146#(<= ULTIMATE.start_main_~k~5 88), 29147#(<= ULTIMATE.start_main_~k~5 89), 29148#(<= ULTIMATE.start_main_~k~5 90), 29149#(<= ULTIMATE.start_main_~k~5 91), 29150#(<= ULTIMATE.start_main_~k~5 92), 29151#(<= ULTIMATE.start_main_~k~5 93), 29152#(<= ULTIMATE.start_main_~k~5 94), 29153#(<= ULTIMATE.start_main_~k~5 95), 29154#(<= ULTIMATE.start_main_~k~5 96), 29155#(<= ULTIMATE.start_main_~k~5 97), 29156#(<= ULTIMATE.start_main_~k~5 98), 29157#(<= ULTIMATE.start_main_~k~5 99), 29158#(<= ULTIMATE.start_main_~k~5 100), 29159#(<= ULTIMATE.start_main_~k~5 101), 29160#(<= ULTIMATE.start_main_~k~5 102), 29161#(<= ULTIMATE.start_main_~k~5 103)] [2018-07-23 13:41:05,549 INFO L134 CoverageAnalysis]: Checked inductivity of 5356 backedges. 0 proven. 5356 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2018-07-23 13:41:05,550 INFO L450 AbstractCegarLoop]: Interpolant automaton has 106 states [2018-07-23 13:41:05,551 INFO L132 InterpolantAutomaton]: Constructing interpolant automaton starting with 106 interpolants. [2018-07-23 13:41:05,551 INFO L133 InterpolantAutomaton]: CoverageRelationStatistics Valid=5565, Invalid=5565, Unknown=0, NotChecked=0, Total=11130 [2018-07-23 13:41:05,551 INFO L87 Difference]: Start difference. First operand 107 states and 107 transitions. Second operand 106 states. [2018-07-23 13:41:05,687 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2018-07-23 13:41:05,687 INFO L93 Difference]: Finished difference Result 110 states and 110 transitions. [2018-07-23 13:41:05,687 INFO L142 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 106 states. [2018-07-23 13:41:05,687 INFO L78 Accepts]: Start accepts. Automaton has 106 states. Word has length 106 [2018-07-23 13:41:05,688 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2018-07-23 13:41:05,688 INFO L225 Difference]: With dead ends: 110 [2018-07-23 13:41:05,688 INFO L226 Difference]: Without dead ends: 108 [2018-07-23 13:41:05,689 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 13:41:05,689 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 108 states. [2018-07-23 13:41:05,691 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 108 to 108. [2018-07-23 13:41:05,691 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 108 states. [2018-07-23 13:41:05,692 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 108 states to 108 states and 108 transitions. [2018-07-23 13:41:05,692 INFO L78 Accepts]: Start accepts. Automaton has 108 states and 108 transitions. Word has length 106 [2018-07-23 13:41:05,692 INFO L84 Accepts]: Finished accepts. word is rejected. [2018-07-23 13:41:05,692 INFO L471 AbstractCegarLoop]: Abstraction has 108 states and 108 transitions. [2018-07-23 13:41:05,692 INFO L472 AbstractCegarLoop]: Interpolant automaton has 106 states. [2018-07-23 13:41:05,692 INFO L276 IsEmpty]: Start isEmpty. Operand 108 states and 108 transitions. [2018-07-23 13:41:05,693 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 108 [2018-07-23 13:41:05,693 INFO L349 BasicCegarLoop]: Found error trace [2018-07-23 13:41:05,693 INFO L357 BasicCegarLoop]: trace histogram [104, 1, 1, 1] [2018-07-23 13:41:05,693 INFO L414 AbstractCegarLoop]: === Iteration 105 === [ULTIMATE.startErr0AssertViolationASSERT]=== [2018-07-23 13:41:05,693 INFO L82 PathProgramCache]: Analyzing trace with hash -807157055, now seen corresponding path program 104 times [2018-07-23 13:41:05,693 INFO L69 tionRefinementEngine]: Using refinement strategy FixedRefinementStrategy [2018-07-23 13:41:05,732 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-07-23 13:41:06,070 INFO L134 CoverageAnalysis]: Checked inductivity of 5460 backedges. 0 proven. 5460 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2018-07-23 13:41:06,070 INFO L309 seRefinementStrategy]: Constructing automaton from 0 perfect and 1 imperfect interpolant sequences. [2018-07-23 13:41:06,070 INFO L324 seRefinementStrategy]: Number of different interpolants: perfect sequences [] imperfect sequences [106] total 106 [2018-07-23 13:41:06,070 INFO L142 lantAutomatonBuilder]: Constructing canonical interpolant automaton, with selfloop in false state [2018-07-23 13:41:06,070 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 13:41:06,071 INFO L185 omatonBuilderFactory]: Interpolants [29696#(<= ULTIMATE.start_main_~k~5 96), 29697#(<= ULTIMATE.start_main_~k~5 97), 29698#(<= ULTIMATE.start_main_~k~5 98), 29699#(<= ULTIMATE.start_main_~k~5 99), 29700#(<= ULTIMATE.start_main_~k~5 100), 29701#(<= ULTIMATE.start_main_~k~5 101), 29702#(<= ULTIMATE.start_main_~k~5 102), 29703#(<= ULTIMATE.start_main_~k~5 103), 29704#(<= ULTIMATE.start_main_~k~5 104), 29598#true, 29599#false, 29600#(<= ULTIMATE.start_main_~k~5 0), 29601#(<= ULTIMATE.start_main_~k~5 1), 29602#(<= ULTIMATE.start_main_~k~5 2), 29603#(<= ULTIMATE.start_main_~k~5 3), 29604#(<= ULTIMATE.start_main_~k~5 4), 29605#(<= ULTIMATE.start_main_~k~5 5), 29606#(<= ULTIMATE.start_main_~k~5 6), 29607#(<= ULTIMATE.start_main_~k~5 7), 29608#(<= ULTIMATE.start_main_~k~5 8), 29609#(<= ULTIMATE.start_main_~k~5 9), 29610#(<= ULTIMATE.start_main_~k~5 10), 29611#(<= ULTIMATE.start_main_~k~5 11), 29612#(<= ULTIMATE.start_main_~k~5 12), 29613#(<= ULTIMATE.start_main_~k~5 13), 29614#(<= ULTIMATE.start_main_~k~5 14), 29615#(<= ULTIMATE.start_main_~k~5 15), 29616#(<= ULTIMATE.start_main_~k~5 16), 29617#(<= ULTIMATE.start_main_~k~5 17), 29618#(<= ULTIMATE.start_main_~k~5 18), 29619#(<= ULTIMATE.start_main_~k~5 19), 29620#(<= ULTIMATE.start_main_~k~5 20), 29621#(<= ULTIMATE.start_main_~k~5 21), 29622#(<= ULTIMATE.start_main_~k~5 22), 29623#(<= ULTIMATE.start_main_~k~5 23), 29624#(<= ULTIMATE.start_main_~k~5 24), 29625#(<= ULTIMATE.start_main_~k~5 25), 29626#(<= ULTIMATE.start_main_~k~5 26), 29627#(<= ULTIMATE.start_main_~k~5 27), 29628#(<= ULTIMATE.start_main_~k~5 28), 29629#(<= ULTIMATE.start_main_~k~5 29), 29630#(<= ULTIMATE.start_main_~k~5 30), 29631#(<= ULTIMATE.start_main_~k~5 31), 29632#(<= ULTIMATE.start_main_~k~5 32), 29633#(<= ULTIMATE.start_main_~k~5 33), 29634#(<= ULTIMATE.start_main_~k~5 34), 29635#(<= ULTIMATE.start_main_~k~5 35), 29636#(<= ULTIMATE.start_main_~k~5 36), 29637#(<= ULTIMATE.start_main_~k~5 37), 29638#(<= ULTIMATE.start_main_~k~5 38), 29639#(<= ULTIMATE.start_main_~k~5 39), 29640#(<= ULTIMATE.start_main_~k~5 40), 29641#(<= ULTIMATE.start_main_~k~5 41), 29642#(<= ULTIMATE.start_main_~k~5 42), 29643#(<= ULTIMATE.start_main_~k~5 43), 29644#(<= ULTIMATE.start_main_~k~5 44), 29645#(<= ULTIMATE.start_main_~k~5 45), 29646#(<= ULTIMATE.start_main_~k~5 46), 29647#(<= ULTIMATE.start_main_~k~5 47), 29648#(<= ULTIMATE.start_main_~k~5 48), 29649#(<= ULTIMATE.start_main_~k~5 49), 29650#(<= ULTIMATE.start_main_~k~5 50), 29651#(<= ULTIMATE.start_main_~k~5 51), 29652#(<= ULTIMATE.start_main_~k~5 52), 29653#(<= ULTIMATE.start_main_~k~5 53), 29654#(<= ULTIMATE.start_main_~k~5 54), 29655#(<= ULTIMATE.start_main_~k~5 55), 29656#(<= ULTIMATE.start_main_~k~5 56), 29657#(<= ULTIMATE.start_main_~k~5 57), 29658#(<= ULTIMATE.start_main_~k~5 58), 29659#(<= ULTIMATE.start_main_~k~5 59), 29660#(<= ULTIMATE.start_main_~k~5 60), 29661#(<= ULTIMATE.start_main_~k~5 61), 29662#(<= ULTIMATE.start_main_~k~5 62), 29663#(<= ULTIMATE.start_main_~k~5 63), 29664#(<= ULTIMATE.start_main_~k~5 64), 29665#(<= ULTIMATE.start_main_~k~5 65), 29666#(<= ULTIMATE.start_main_~k~5 66), 29667#(<= ULTIMATE.start_main_~k~5 67), 29668#(<= ULTIMATE.start_main_~k~5 68), 29669#(<= ULTIMATE.start_main_~k~5 69), 29670#(<= ULTIMATE.start_main_~k~5 70), 29671#(<= ULTIMATE.start_main_~k~5 71), 29672#(<= ULTIMATE.start_main_~k~5 72), 29673#(<= ULTIMATE.start_main_~k~5 73), 29674#(<= ULTIMATE.start_main_~k~5 74), 29675#(<= ULTIMATE.start_main_~k~5 75), 29676#(<= ULTIMATE.start_main_~k~5 76), 29677#(<= ULTIMATE.start_main_~k~5 77), 29678#(<= ULTIMATE.start_main_~k~5 78), 29679#(<= ULTIMATE.start_main_~k~5 79), 29680#(<= ULTIMATE.start_main_~k~5 80), 29681#(<= ULTIMATE.start_main_~k~5 81), 29682#(<= ULTIMATE.start_main_~k~5 82), 29683#(<= ULTIMATE.start_main_~k~5 83), 29684#(<= ULTIMATE.start_main_~k~5 84), 29685#(<= ULTIMATE.start_main_~k~5 85), 29686#(<= ULTIMATE.start_main_~k~5 86), 29687#(<= ULTIMATE.start_main_~k~5 87), 29688#(<= ULTIMATE.start_main_~k~5 88), 29689#(<= ULTIMATE.start_main_~k~5 89), 29690#(<= ULTIMATE.start_main_~k~5 90), 29691#(<= ULTIMATE.start_main_~k~5 91), 29692#(<= ULTIMATE.start_main_~k~5 92), 29693#(<= ULTIMATE.start_main_~k~5 93), 29694#(<= ULTIMATE.start_main_~k~5 94), 29695#(<= ULTIMATE.start_main_~k~5 95)] [2018-07-23 13:41:06,071 INFO L134 CoverageAnalysis]: Checked inductivity of 5460 backedges. 0 proven. 5460 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2018-07-23 13:41:06,071 INFO L450 AbstractCegarLoop]: Interpolant automaton has 107 states [2018-07-23 13:41:06,073 INFO L132 InterpolantAutomaton]: Constructing interpolant automaton starting with 107 interpolants. [2018-07-23 13:41:06,073 INFO L133 InterpolantAutomaton]: CoverageRelationStatistics Valid=5671, Invalid=5671, Unknown=0, NotChecked=0, Total=11342 [2018-07-23 13:41:06,074 INFO L87 Difference]: Start difference. First operand 108 states and 108 transitions. Second operand 107 states. [2018-07-23 13:41:06,176 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2018-07-23 13:41:06,176 INFO L93 Difference]: Finished difference Result 111 states and 111 transitions. [2018-07-23 13:41:06,176 INFO L142 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 107 states. [2018-07-23 13:41:06,177 INFO L78 Accepts]: Start accepts. Automaton has 107 states. Word has length 107 [2018-07-23 13:41:06,177 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2018-07-23 13:41:06,177 INFO L225 Difference]: With dead ends: 111 [2018-07-23 13:41:06,177 INFO L226 Difference]: Without dead ends: 109 [2018-07-23 13:41:06,179 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 13:41:06,179 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 109 states. [2018-07-23 13:41:06,181 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 109 to 109. [2018-07-23 13:41:06,181 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 109 states. [2018-07-23 13:41:06,182 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 109 states to 109 states and 109 transitions. [2018-07-23 13:41:06,182 INFO L78 Accepts]: Start accepts. Automaton has 109 states and 109 transitions. Word has length 107 [2018-07-23 13:41:06,182 INFO L84 Accepts]: Finished accepts. word is rejected. [2018-07-23 13:41:06,182 INFO L471 AbstractCegarLoop]: Abstraction has 109 states and 109 transitions. [2018-07-23 13:41:06,182 INFO L472 AbstractCegarLoop]: Interpolant automaton has 107 states. [2018-07-23 13:41:06,182 INFO L276 IsEmpty]: Start isEmpty. Operand 109 states and 109 transitions. [2018-07-23 13:41:06,183 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 109 [2018-07-23 13:41:06,183 INFO L349 BasicCegarLoop]: Found error trace [2018-07-23 13:41:06,183 INFO L357 BasicCegarLoop]: trace histogram [105, 1, 1, 1] [2018-07-23 13:41:06,183 INFO L414 AbstractCegarLoop]: === Iteration 106 === [ULTIMATE.startErr0AssertViolationASSERT]=== [2018-07-23 13:41:06,184 INFO L82 PathProgramCache]: Analyzing trace with hash 747933096, now seen corresponding path program 105 times [2018-07-23 13:41:06,184 INFO L69 tionRefinementEngine]: Using refinement strategy FixedRefinementStrategy [2018-07-23 13:41:06,220 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-07-23 13:41:06,692 INFO L134 CoverageAnalysis]: Checked inductivity of 5565 backedges. 0 proven. 5565 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2018-07-23 13:41:06,693 INFO L309 seRefinementStrategy]: Constructing automaton from 0 perfect and 1 imperfect interpolant sequences. [2018-07-23 13:41:06,693 INFO L324 seRefinementStrategy]: Number of different interpolants: perfect sequences [] imperfect sequences [107] total 107 [2018-07-23 13:41:06,693 INFO L142 lantAutomatonBuilder]: Constructing canonical interpolant automaton, with selfloop in false state [2018-07-23 13:41:06,694 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2018-07-23 13:41:06,694 INFO L185 omatonBuilderFactory]: Interpolants [30208#(<= ULTIMATE.start_main_~k~5 61), 30209#(<= ULTIMATE.start_main_~k~5 62), 30210#(<= ULTIMATE.start_main_~k~5 63), 30211#(<= ULTIMATE.start_main_~k~5 64), 30212#(<= ULTIMATE.start_main_~k~5 65), 30213#(<= ULTIMATE.start_main_~k~5 66), 30214#(<= ULTIMATE.start_main_~k~5 67), 30215#(<= ULTIMATE.start_main_~k~5 68), 30216#(<= ULTIMATE.start_main_~k~5 69), 30217#(<= ULTIMATE.start_main_~k~5 70), 30218#(<= ULTIMATE.start_main_~k~5 71), 30219#(<= ULTIMATE.start_main_~k~5 72), 30220#(<= ULTIMATE.start_main_~k~5 73), 30221#(<= ULTIMATE.start_main_~k~5 74), 30222#(<= ULTIMATE.start_main_~k~5 75), 30223#(<= ULTIMATE.start_main_~k~5 76), 30224#(<= ULTIMATE.start_main_~k~5 77), 30225#(<= ULTIMATE.start_main_~k~5 78), 30226#(<= ULTIMATE.start_main_~k~5 79), 30227#(<= ULTIMATE.start_main_~k~5 80), 30228#(<= ULTIMATE.start_main_~k~5 81), 30229#(<= ULTIMATE.start_main_~k~5 82), 30230#(<= ULTIMATE.start_main_~k~5 83), 30231#(<= ULTIMATE.start_main_~k~5 84), 30232#(<= ULTIMATE.start_main_~k~5 85), 30233#(<= ULTIMATE.start_main_~k~5 86), 30234#(<= ULTIMATE.start_main_~k~5 87), 30235#(<= ULTIMATE.start_main_~k~5 88), 30236#(<= ULTIMATE.start_main_~k~5 89), 30237#(<= ULTIMATE.start_main_~k~5 90), 30238#(<= ULTIMATE.start_main_~k~5 91), 30239#(<= ULTIMATE.start_main_~k~5 92), 30240#(<= ULTIMATE.start_main_~k~5 93), 30241#(<= ULTIMATE.start_main_~k~5 94), 30242#(<= ULTIMATE.start_main_~k~5 95), 30243#(<= ULTIMATE.start_main_~k~5 96), 30244#(<= ULTIMATE.start_main_~k~5 97), 30245#(<= ULTIMATE.start_main_~k~5 98), 30246#(<= ULTIMATE.start_main_~k~5 99), 30247#(<= ULTIMATE.start_main_~k~5 100), 30248#(<= ULTIMATE.start_main_~k~5 101), 30249#(<= ULTIMATE.start_main_~k~5 102), 30250#(<= ULTIMATE.start_main_~k~5 103), 30251#(<= ULTIMATE.start_main_~k~5 104), 30252#(<= ULTIMATE.start_main_~k~5 105), 30145#true, 30146#false, 30147#(<= ULTIMATE.start_main_~k~5 0), 30148#(<= ULTIMATE.start_main_~k~5 1), 30149#(<= ULTIMATE.start_main_~k~5 2), 30150#(<= ULTIMATE.start_main_~k~5 3), 30151#(<= ULTIMATE.start_main_~k~5 4), 30152#(<= ULTIMATE.start_main_~k~5 5), 30153#(<= ULTIMATE.start_main_~k~5 6), 30154#(<= ULTIMATE.start_main_~k~5 7), 30155#(<= ULTIMATE.start_main_~k~5 8), 30156#(<= ULTIMATE.start_main_~k~5 9), 30157#(<= ULTIMATE.start_main_~k~5 10), 30158#(<= ULTIMATE.start_main_~k~5 11), 30159#(<= ULTIMATE.start_main_~k~5 12), 30160#(<= ULTIMATE.start_main_~k~5 13), 30161#(<= ULTIMATE.start_main_~k~5 14), 30162#(<= ULTIMATE.start_main_~k~5 15), 30163#(<= ULTIMATE.start_main_~k~5 16), 30164#(<= ULTIMATE.start_main_~k~5 17), 30165#(<= ULTIMATE.start_main_~k~5 18), 30166#(<= ULTIMATE.start_main_~k~5 19), 30167#(<= ULTIMATE.start_main_~k~5 20), 30168#(<= ULTIMATE.start_main_~k~5 21), 30169#(<= ULTIMATE.start_main_~k~5 22), 30170#(<= ULTIMATE.start_main_~k~5 23), 30171#(<= ULTIMATE.start_main_~k~5 24), 30172#(<= ULTIMATE.start_main_~k~5 25), 30173#(<= ULTIMATE.start_main_~k~5 26), 30174#(<= ULTIMATE.start_main_~k~5 27), 30175#(<= ULTIMATE.start_main_~k~5 28), 30176#(<= ULTIMATE.start_main_~k~5 29), 30177#(<= ULTIMATE.start_main_~k~5 30), 30178#(<= ULTIMATE.start_main_~k~5 31), 30179#(<= ULTIMATE.start_main_~k~5 32), 30180#(<= ULTIMATE.start_main_~k~5 33), 30181#(<= ULTIMATE.start_main_~k~5 34), 30182#(<= ULTIMATE.start_main_~k~5 35), 30183#(<= ULTIMATE.start_main_~k~5 36), 30184#(<= ULTIMATE.start_main_~k~5 37), 30185#(<= ULTIMATE.start_main_~k~5 38), 30186#(<= ULTIMATE.start_main_~k~5 39), 30187#(<= ULTIMATE.start_main_~k~5 40), 30188#(<= ULTIMATE.start_main_~k~5 41), 30189#(<= ULTIMATE.start_main_~k~5 42), 30190#(<= ULTIMATE.start_main_~k~5 43), 30191#(<= ULTIMATE.start_main_~k~5 44), 30192#(<= ULTIMATE.start_main_~k~5 45), 30193#(<= ULTIMATE.start_main_~k~5 46), 30194#(<= ULTIMATE.start_main_~k~5 47), 30195#(<= ULTIMATE.start_main_~k~5 48), 30196#(<= ULTIMATE.start_main_~k~5 49), 30197#(<= ULTIMATE.start_main_~k~5 50), 30198#(<= ULTIMATE.start_main_~k~5 51), 30199#(<= ULTIMATE.start_main_~k~5 52), 30200#(<= ULTIMATE.start_main_~k~5 53), 30201#(<= ULTIMATE.start_main_~k~5 54), 30202#(<= ULTIMATE.start_main_~k~5 55), 30203#(<= ULTIMATE.start_main_~k~5 56), 30204#(<= ULTIMATE.start_main_~k~5 57), 30205#(<= ULTIMATE.start_main_~k~5 58), 30206#(<= ULTIMATE.start_main_~k~5 59), 30207#(<= ULTIMATE.start_main_~k~5 60)] [2018-07-23 13:41:06,694 INFO L134 CoverageAnalysis]: Checked inductivity of 5565 backedges. 0 proven. 5565 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2018-07-23 13:41:06,695 INFO L450 AbstractCegarLoop]: Interpolant automaton has 108 states [2018-07-23 13:41:06,695 INFO L132 InterpolantAutomaton]: Constructing interpolant automaton starting with 108 interpolants. [2018-07-23 13:41:06,696 INFO L133 InterpolantAutomaton]: CoverageRelationStatistics Valid=5778, Invalid=5778, Unknown=0, NotChecked=0, Total=11556 [2018-07-23 13:41:06,696 INFO L87 Difference]: Start difference. First operand 109 states and 109 transitions. Second operand 108 states. [2018-07-23 13:41:06,755 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2018-07-23 13:41:06,756 INFO L93 Difference]: Finished difference Result 112 states and 112 transitions. [2018-07-23 13:41:06,756 INFO L142 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 108 states. [2018-07-23 13:41:06,756 INFO L78 Accepts]: Start accepts. Automaton has 108 states. Word has length 108 [2018-07-23 13:41:06,756 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2018-07-23 13:41:06,757 INFO L225 Difference]: With dead ends: 112 [2018-07-23 13:41:06,757 INFO L226 Difference]: Without dead ends: 110 [2018-07-23 13:41:06,757 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 13:41:06,757 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 110 states. [2018-07-23 13:41:06,760 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 110 to 110. [2018-07-23 13:41:06,760 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 110 states. [2018-07-23 13:41:06,760 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 110 states to 110 states and 110 transitions. [2018-07-23 13:41:06,760 INFO L78 Accepts]: Start accepts. Automaton has 110 states and 110 transitions. Word has length 108 [2018-07-23 13:41:06,761 INFO L84 Accepts]: Finished accepts. word is rejected. [2018-07-23 13:41:06,761 INFO L471 AbstractCegarLoop]: Abstraction has 110 states and 110 transitions. [2018-07-23 13:41:06,761 INFO L472 AbstractCegarLoop]: Interpolant automaton has 108 states. [2018-07-23 13:41:06,761 INFO L276 IsEmpty]: Start isEmpty. Operand 110 states and 110 transitions. [2018-07-23 13:41:06,761 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 110 [2018-07-23 13:41:06,761 INFO L349 BasicCegarLoop]: Found error trace [2018-07-23 13:41:06,762 INFO L357 BasicCegarLoop]: trace histogram [106, 1, 1, 1] [2018-07-23 13:41:06,762 INFO L414 AbstractCegarLoop]: === Iteration 107 === [ULTIMATE.startErr0AssertViolationASSERT]=== [2018-07-23 13:41:06,762 INFO L82 PathProgramCache]: Analyzing trace with hash 1711087521, now seen corresponding path program 106 times [2018-07-23 13:41:06,762 INFO L69 tionRefinementEngine]: Using refinement strategy FixedRefinementStrategy [2018-07-23 13:41:06,791 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-07-23 13:41:07,085 INFO L134 CoverageAnalysis]: Checked inductivity of 5671 backedges. 0 proven. 5671 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2018-07-23 13:41:07,085 INFO L309 seRefinementStrategy]: Constructing automaton from 0 perfect and 1 imperfect interpolant sequences. [2018-07-23 13:41:07,085 INFO L324 seRefinementStrategy]: Number of different interpolants: perfect sequences [] imperfect sequences [108] total 108 [2018-07-23 13:41:07,086 INFO L142 lantAutomatonBuilder]: Constructing canonical interpolant automaton, with selfloop in false state [2018-07-23 13:41:07,086 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2018-07-23 13:41:07,086 INFO L185 omatonBuilderFactory]: Interpolants [30720#(<= ULTIMATE.start_main_~k~5 21), 30721#(<= ULTIMATE.start_main_~k~5 22), 30722#(<= ULTIMATE.start_main_~k~5 23), 30723#(<= ULTIMATE.start_main_~k~5 24), 30724#(<= ULTIMATE.start_main_~k~5 25), 30725#(<= ULTIMATE.start_main_~k~5 26), 30726#(<= ULTIMATE.start_main_~k~5 27), 30727#(<= ULTIMATE.start_main_~k~5 28), 30728#(<= ULTIMATE.start_main_~k~5 29), 30729#(<= ULTIMATE.start_main_~k~5 30), 30730#(<= ULTIMATE.start_main_~k~5 31), 30731#(<= ULTIMATE.start_main_~k~5 32), 30732#(<= ULTIMATE.start_main_~k~5 33), 30733#(<= ULTIMATE.start_main_~k~5 34), 30734#(<= ULTIMATE.start_main_~k~5 35), 30735#(<= ULTIMATE.start_main_~k~5 36), 30736#(<= ULTIMATE.start_main_~k~5 37), 30737#(<= ULTIMATE.start_main_~k~5 38), 30738#(<= ULTIMATE.start_main_~k~5 39), 30739#(<= ULTIMATE.start_main_~k~5 40), 30740#(<= ULTIMATE.start_main_~k~5 41), 30741#(<= ULTIMATE.start_main_~k~5 42), 30742#(<= ULTIMATE.start_main_~k~5 43), 30743#(<= ULTIMATE.start_main_~k~5 44), 30744#(<= ULTIMATE.start_main_~k~5 45), 30745#(<= ULTIMATE.start_main_~k~5 46), 30746#(<= ULTIMATE.start_main_~k~5 47), 30747#(<= ULTIMATE.start_main_~k~5 48), 30748#(<= ULTIMATE.start_main_~k~5 49), 30749#(<= ULTIMATE.start_main_~k~5 50), 30750#(<= ULTIMATE.start_main_~k~5 51), 30751#(<= ULTIMATE.start_main_~k~5 52), 30752#(<= ULTIMATE.start_main_~k~5 53), 30753#(<= ULTIMATE.start_main_~k~5 54), 30754#(<= ULTIMATE.start_main_~k~5 55), 30755#(<= ULTIMATE.start_main_~k~5 56), 30756#(<= ULTIMATE.start_main_~k~5 57), 30757#(<= ULTIMATE.start_main_~k~5 58), 30758#(<= ULTIMATE.start_main_~k~5 59), 30759#(<= ULTIMATE.start_main_~k~5 60), 30760#(<= ULTIMATE.start_main_~k~5 61), 30761#(<= ULTIMATE.start_main_~k~5 62), 30762#(<= ULTIMATE.start_main_~k~5 63), 30763#(<= ULTIMATE.start_main_~k~5 64), 30764#(<= ULTIMATE.start_main_~k~5 65), 30765#(<= ULTIMATE.start_main_~k~5 66), 30766#(<= ULTIMATE.start_main_~k~5 67), 30767#(<= ULTIMATE.start_main_~k~5 68), 30768#(<= ULTIMATE.start_main_~k~5 69), 30769#(<= ULTIMATE.start_main_~k~5 70), 30770#(<= ULTIMATE.start_main_~k~5 71), 30771#(<= ULTIMATE.start_main_~k~5 72), 30772#(<= ULTIMATE.start_main_~k~5 73), 30773#(<= ULTIMATE.start_main_~k~5 74), 30774#(<= ULTIMATE.start_main_~k~5 75), 30775#(<= ULTIMATE.start_main_~k~5 76), 30776#(<= ULTIMATE.start_main_~k~5 77), 30777#(<= ULTIMATE.start_main_~k~5 78), 30778#(<= ULTIMATE.start_main_~k~5 79), 30779#(<= ULTIMATE.start_main_~k~5 80), 30780#(<= ULTIMATE.start_main_~k~5 81), 30781#(<= ULTIMATE.start_main_~k~5 82), 30782#(<= ULTIMATE.start_main_~k~5 83), 30783#(<= ULTIMATE.start_main_~k~5 84), 30784#(<= ULTIMATE.start_main_~k~5 85), 30785#(<= ULTIMATE.start_main_~k~5 86), 30786#(<= ULTIMATE.start_main_~k~5 87), 30787#(<= ULTIMATE.start_main_~k~5 88), 30788#(<= ULTIMATE.start_main_~k~5 89), 30789#(<= ULTIMATE.start_main_~k~5 90), 30790#(<= ULTIMATE.start_main_~k~5 91), 30791#(<= ULTIMATE.start_main_~k~5 92), 30792#(<= ULTIMATE.start_main_~k~5 93), 30793#(<= ULTIMATE.start_main_~k~5 94), 30794#(<= ULTIMATE.start_main_~k~5 95), 30795#(<= ULTIMATE.start_main_~k~5 96), 30796#(<= ULTIMATE.start_main_~k~5 97), 30797#(<= ULTIMATE.start_main_~k~5 98), 30798#(<= ULTIMATE.start_main_~k~5 99), 30799#(<= ULTIMATE.start_main_~k~5 100), 30800#(<= ULTIMATE.start_main_~k~5 101), 30801#(<= ULTIMATE.start_main_~k~5 102), 30802#(<= ULTIMATE.start_main_~k~5 103), 30803#(<= ULTIMATE.start_main_~k~5 104), 30804#(<= ULTIMATE.start_main_~k~5 105), 30805#(<= ULTIMATE.start_main_~k~5 106), 30697#true, 30698#false, 30699#(<= ULTIMATE.start_main_~k~5 0), 30700#(<= ULTIMATE.start_main_~k~5 1), 30701#(<= ULTIMATE.start_main_~k~5 2), 30702#(<= ULTIMATE.start_main_~k~5 3), 30703#(<= ULTIMATE.start_main_~k~5 4), 30704#(<= ULTIMATE.start_main_~k~5 5), 30705#(<= ULTIMATE.start_main_~k~5 6), 30706#(<= ULTIMATE.start_main_~k~5 7), 30707#(<= ULTIMATE.start_main_~k~5 8), 30708#(<= ULTIMATE.start_main_~k~5 9), 30709#(<= ULTIMATE.start_main_~k~5 10), 30710#(<= ULTIMATE.start_main_~k~5 11), 30711#(<= ULTIMATE.start_main_~k~5 12), 30712#(<= ULTIMATE.start_main_~k~5 13), 30713#(<= ULTIMATE.start_main_~k~5 14), 30714#(<= ULTIMATE.start_main_~k~5 15), 30715#(<= ULTIMATE.start_main_~k~5 16), 30716#(<= ULTIMATE.start_main_~k~5 17), 30717#(<= ULTIMATE.start_main_~k~5 18), 30718#(<= ULTIMATE.start_main_~k~5 19), 30719#(<= ULTIMATE.start_main_~k~5 20)] [2018-07-23 13:41:07,087 INFO L134 CoverageAnalysis]: Checked inductivity of 5671 backedges. 0 proven. 5671 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2018-07-23 13:41:07,087 INFO L450 AbstractCegarLoop]: Interpolant automaton has 109 states [2018-07-23 13:41:07,088 INFO L132 InterpolantAutomaton]: Constructing interpolant automaton starting with 109 interpolants. [2018-07-23 13:41:07,089 INFO L133 InterpolantAutomaton]: CoverageRelationStatistics Valid=5886, Invalid=5886, Unknown=0, NotChecked=0, Total=11772 [2018-07-23 13:41:07,089 INFO L87 Difference]: Start difference. First operand 110 states and 110 transitions. Second operand 109 states. [2018-07-23 13:41:07,238 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2018-07-23 13:41:07,238 INFO L93 Difference]: Finished difference Result 113 states and 113 transitions. [2018-07-23 13:41:07,238 INFO L142 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 109 states. [2018-07-23 13:41:07,238 INFO L78 Accepts]: Start accepts. Automaton has 109 states. Word has length 109 [2018-07-23 13:41:07,239 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2018-07-23 13:41:07,239 INFO L225 Difference]: With dead ends: 113 [2018-07-23 13:41:07,239 INFO L226 Difference]: Without dead ends: 111 [2018-07-23 13:41:07,240 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 13:41:07,240 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 111 states. [2018-07-23 13:41:07,243 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 111 to 111. [2018-07-23 13:41:07,244 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 111 states. [2018-07-23 13:41:07,244 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 111 states to 111 states and 111 transitions. [2018-07-23 13:41:07,244 INFO L78 Accepts]: Start accepts. Automaton has 111 states and 111 transitions. Word has length 109 [2018-07-23 13:41:07,245 INFO L84 Accepts]: Finished accepts. word is rejected. [2018-07-23 13:41:07,245 INFO L471 AbstractCegarLoop]: Abstraction has 111 states and 111 transitions. [2018-07-23 13:41:07,245 INFO L472 AbstractCegarLoop]: Interpolant automaton has 109 states. [2018-07-23 13:41:07,245 INFO L276 IsEmpty]: Start isEmpty. Operand 111 states and 111 transitions. [2018-07-23 13:41:07,253 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 111 [2018-07-23 13:41:07,254 INFO L349 BasicCegarLoop]: Found error trace [2018-07-23 13:41:07,254 INFO L357 BasicCegarLoop]: trace histogram [107, 1, 1, 1] [2018-07-23 13:41:07,254 INFO L414 AbstractCegarLoop]: === Iteration 108 === [ULTIMATE.startErr0AssertViolationASSERT]=== [2018-07-23 13:41:07,254 INFO L82 PathProgramCache]: Analyzing trace with hash 1504103624, now seen corresponding path program 107 times [2018-07-23 13:41:07,254 INFO L69 tionRefinementEngine]: Using refinement strategy FixedRefinementStrategy [2018-07-23 13:41:07,288 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-07-23 13:41:07,607 INFO L134 CoverageAnalysis]: Checked inductivity of 5778 backedges. 0 proven. 5778 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2018-07-23 13:41:07,607 INFO L309 seRefinementStrategy]: Constructing automaton from 0 perfect and 1 imperfect interpolant sequences. [2018-07-23 13:41:07,607 INFO L324 seRefinementStrategy]: Number of different interpolants: perfect sequences [] imperfect sequences [109] total 109 [2018-07-23 13:41:07,608 INFO L142 lantAutomatonBuilder]: Constructing canonical interpolant automaton, with selfloop in false state [2018-07-23 13:41:07,608 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2018-07-23 13:41:07,608 INFO L185 omatonBuilderFactory]: Interpolants [31254#true, 31255#false, 31256#(<= ULTIMATE.start_main_~k~5 0), 31257#(<= ULTIMATE.start_main_~k~5 1), 31258#(<= ULTIMATE.start_main_~k~5 2), 31259#(<= ULTIMATE.start_main_~k~5 3), 31260#(<= ULTIMATE.start_main_~k~5 4), 31261#(<= ULTIMATE.start_main_~k~5 5), 31262#(<= ULTIMATE.start_main_~k~5 6), 31263#(<= ULTIMATE.start_main_~k~5 7), 31264#(<= ULTIMATE.start_main_~k~5 8), 31265#(<= ULTIMATE.start_main_~k~5 9), 31266#(<= ULTIMATE.start_main_~k~5 10), 31267#(<= ULTIMATE.start_main_~k~5 11), 31268#(<= ULTIMATE.start_main_~k~5 12), 31269#(<= ULTIMATE.start_main_~k~5 13), 31270#(<= ULTIMATE.start_main_~k~5 14), 31271#(<= ULTIMATE.start_main_~k~5 15), 31272#(<= ULTIMATE.start_main_~k~5 16), 31273#(<= ULTIMATE.start_main_~k~5 17), 31274#(<= ULTIMATE.start_main_~k~5 18), 31275#(<= ULTIMATE.start_main_~k~5 19), 31276#(<= ULTIMATE.start_main_~k~5 20), 31277#(<= ULTIMATE.start_main_~k~5 21), 31278#(<= ULTIMATE.start_main_~k~5 22), 31279#(<= ULTIMATE.start_main_~k~5 23), 31280#(<= ULTIMATE.start_main_~k~5 24), 31281#(<= ULTIMATE.start_main_~k~5 25), 31282#(<= ULTIMATE.start_main_~k~5 26), 31283#(<= ULTIMATE.start_main_~k~5 27), 31284#(<= ULTIMATE.start_main_~k~5 28), 31285#(<= ULTIMATE.start_main_~k~5 29), 31286#(<= ULTIMATE.start_main_~k~5 30), 31287#(<= ULTIMATE.start_main_~k~5 31), 31288#(<= ULTIMATE.start_main_~k~5 32), 31289#(<= ULTIMATE.start_main_~k~5 33), 31290#(<= ULTIMATE.start_main_~k~5 34), 31291#(<= ULTIMATE.start_main_~k~5 35), 31292#(<= ULTIMATE.start_main_~k~5 36), 31293#(<= ULTIMATE.start_main_~k~5 37), 31294#(<= ULTIMATE.start_main_~k~5 38), 31295#(<= ULTIMATE.start_main_~k~5 39), 31296#(<= ULTIMATE.start_main_~k~5 40), 31297#(<= ULTIMATE.start_main_~k~5 41), 31298#(<= ULTIMATE.start_main_~k~5 42), 31299#(<= ULTIMATE.start_main_~k~5 43), 31300#(<= ULTIMATE.start_main_~k~5 44), 31301#(<= ULTIMATE.start_main_~k~5 45), 31302#(<= ULTIMATE.start_main_~k~5 46), 31303#(<= ULTIMATE.start_main_~k~5 47), 31304#(<= ULTIMATE.start_main_~k~5 48), 31305#(<= ULTIMATE.start_main_~k~5 49), 31306#(<= ULTIMATE.start_main_~k~5 50), 31307#(<= ULTIMATE.start_main_~k~5 51), 31308#(<= ULTIMATE.start_main_~k~5 52), 31309#(<= ULTIMATE.start_main_~k~5 53), 31310#(<= ULTIMATE.start_main_~k~5 54), 31311#(<= ULTIMATE.start_main_~k~5 55), 31312#(<= ULTIMATE.start_main_~k~5 56), 31313#(<= ULTIMATE.start_main_~k~5 57), 31314#(<= ULTIMATE.start_main_~k~5 58), 31315#(<= ULTIMATE.start_main_~k~5 59), 31316#(<= ULTIMATE.start_main_~k~5 60), 31317#(<= ULTIMATE.start_main_~k~5 61), 31318#(<= ULTIMATE.start_main_~k~5 62), 31319#(<= ULTIMATE.start_main_~k~5 63), 31320#(<= ULTIMATE.start_main_~k~5 64), 31321#(<= ULTIMATE.start_main_~k~5 65), 31322#(<= ULTIMATE.start_main_~k~5 66), 31323#(<= ULTIMATE.start_main_~k~5 67), 31324#(<= ULTIMATE.start_main_~k~5 68), 31325#(<= ULTIMATE.start_main_~k~5 69), 31326#(<= ULTIMATE.start_main_~k~5 70), 31327#(<= ULTIMATE.start_main_~k~5 71), 31328#(<= ULTIMATE.start_main_~k~5 72), 31329#(<= ULTIMATE.start_main_~k~5 73), 31330#(<= ULTIMATE.start_main_~k~5 74), 31331#(<= ULTIMATE.start_main_~k~5 75), 31332#(<= ULTIMATE.start_main_~k~5 76), 31333#(<= ULTIMATE.start_main_~k~5 77), 31334#(<= ULTIMATE.start_main_~k~5 78), 31335#(<= ULTIMATE.start_main_~k~5 79), 31336#(<= ULTIMATE.start_main_~k~5 80), 31337#(<= ULTIMATE.start_main_~k~5 81), 31338#(<= ULTIMATE.start_main_~k~5 82), 31339#(<= ULTIMATE.start_main_~k~5 83), 31340#(<= ULTIMATE.start_main_~k~5 84), 31341#(<= ULTIMATE.start_main_~k~5 85), 31342#(<= ULTIMATE.start_main_~k~5 86), 31343#(<= ULTIMATE.start_main_~k~5 87), 31344#(<= ULTIMATE.start_main_~k~5 88), 31345#(<= ULTIMATE.start_main_~k~5 89), 31346#(<= ULTIMATE.start_main_~k~5 90), 31347#(<= ULTIMATE.start_main_~k~5 91), 31348#(<= ULTIMATE.start_main_~k~5 92), 31349#(<= ULTIMATE.start_main_~k~5 93), 31350#(<= ULTIMATE.start_main_~k~5 94), 31351#(<= ULTIMATE.start_main_~k~5 95), 31352#(<= ULTIMATE.start_main_~k~5 96), 31353#(<= ULTIMATE.start_main_~k~5 97), 31354#(<= ULTIMATE.start_main_~k~5 98), 31355#(<= ULTIMATE.start_main_~k~5 99), 31356#(<= ULTIMATE.start_main_~k~5 100), 31357#(<= ULTIMATE.start_main_~k~5 101), 31358#(<= ULTIMATE.start_main_~k~5 102), 31359#(<= ULTIMATE.start_main_~k~5 103), 31360#(<= ULTIMATE.start_main_~k~5 104), 31361#(<= ULTIMATE.start_main_~k~5 105), 31362#(<= ULTIMATE.start_main_~k~5 106), 31363#(<= ULTIMATE.start_main_~k~5 107)] [2018-07-23 13:41:07,608 INFO L134 CoverageAnalysis]: Checked inductivity of 5778 backedges. 0 proven. 5778 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2018-07-23 13:41:07,609 INFO L450 AbstractCegarLoop]: Interpolant automaton has 110 states [2018-07-23 13:41:07,610 INFO L132 InterpolantAutomaton]: Constructing interpolant automaton starting with 110 interpolants. [2018-07-23 13:41:07,610 INFO L133 InterpolantAutomaton]: CoverageRelationStatistics Valid=5995, Invalid=5995, Unknown=0, NotChecked=0, Total=11990 [2018-07-23 13:41:07,610 INFO L87 Difference]: Start difference. First operand 111 states and 111 transitions. Second operand 110 states. [2018-07-23 13:41:07,752 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2018-07-23 13:41:07,752 INFO L93 Difference]: Finished difference Result 114 states and 114 transitions. [2018-07-23 13:41:07,753 INFO L142 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 110 states. [2018-07-23 13:41:07,753 INFO L78 Accepts]: Start accepts. Automaton has 110 states. Word has length 110 [2018-07-23 13:41:07,753 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2018-07-23 13:41:07,754 INFO L225 Difference]: With dead ends: 114 [2018-07-23 13:41:07,754 INFO L226 Difference]: Without dead ends: 112 [2018-07-23 13:41:07,755 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 13:41:07,755 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 112 states. [2018-07-23 13:41:07,758 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 112 to 112. [2018-07-23 13:41:07,759 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 112 states. [2018-07-23 13:41:07,759 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 112 states to 112 states and 112 transitions. [2018-07-23 13:41:07,759 INFO L78 Accepts]: Start accepts. Automaton has 112 states and 112 transitions. Word has length 110 [2018-07-23 13:41:07,759 INFO L84 Accepts]: Finished accepts. word is rejected. [2018-07-23 13:41:07,760 INFO L471 AbstractCegarLoop]: Abstraction has 112 states and 112 transitions. [2018-07-23 13:41:07,760 INFO L472 AbstractCegarLoop]: Interpolant automaton has 110 states. [2018-07-23 13:41:07,760 INFO L276 IsEmpty]: Start isEmpty. Operand 112 states and 112 transitions. [2018-07-23 13:41:07,760 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 112 [2018-07-23 13:41:07,760 INFO L349 BasicCegarLoop]: Found error trace [2018-07-23 13:41:07,761 INFO L357 BasicCegarLoop]: trace histogram [108, 1, 1, 1] [2018-07-23 13:41:07,761 INFO L414 AbstractCegarLoop]: === Iteration 109 === [ULTIMATE.startErr0AssertViolationASSERT]=== [2018-07-23 13:41:07,761 INFO L82 PathProgramCache]: Analyzing trace with hash -617429887, now seen corresponding path program 108 times [2018-07-23 13:41:07,761 INFO L69 tionRefinementEngine]: Using refinement strategy FixedRefinementStrategy [2018-07-23 13:41:07,805 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-07-23 13:41:08,235 INFO L134 CoverageAnalysis]: Checked inductivity of 5886 backedges. 0 proven. 5886 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2018-07-23 13:41:08,236 INFO L309 seRefinementStrategy]: Constructing automaton from 0 perfect and 1 imperfect interpolant sequences. [2018-07-23 13:41:08,236 INFO L324 seRefinementStrategy]: Number of different interpolants: perfect sequences [] imperfect sequences [110] total 110 [2018-07-23 13:41:08,236 INFO L142 lantAutomatonBuilder]: Constructing canonical interpolant automaton, with selfloop in false state [2018-07-23 13:41:08,236 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2018-07-23 13:41:08,237 INFO L185 omatonBuilderFactory]: Interpolants [31816#true, 31817#false, 31818#(<= ULTIMATE.start_main_~k~5 0), 31819#(<= ULTIMATE.start_main_~k~5 1), 31820#(<= ULTIMATE.start_main_~k~5 2), 31821#(<= ULTIMATE.start_main_~k~5 3), 31822#(<= ULTIMATE.start_main_~k~5 4), 31823#(<= ULTIMATE.start_main_~k~5 5), 31824#(<= ULTIMATE.start_main_~k~5 6), 31825#(<= ULTIMATE.start_main_~k~5 7), 31826#(<= ULTIMATE.start_main_~k~5 8), 31827#(<= ULTIMATE.start_main_~k~5 9), 31828#(<= ULTIMATE.start_main_~k~5 10), 31829#(<= ULTIMATE.start_main_~k~5 11), 31830#(<= ULTIMATE.start_main_~k~5 12), 31831#(<= ULTIMATE.start_main_~k~5 13), 31832#(<= ULTIMATE.start_main_~k~5 14), 31833#(<= ULTIMATE.start_main_~k~5 15), 31834#(<= ULTIMATE.start_main_~k~5 16), 31835#(<= ULTIMATE.start_main_~k~5 17), 31836#(<= ULTIMATE.start_main_~k~5 18), 31837#(<= ULTIMATE.start_main_~k~5 19), 31838#(<= ULTIMATE.start_main_~k~5 20), 31839#(<= ULTIMATE.start_main_~k~5 21), 31840#(<= ULTIMATE.start_main_~k~5 22), 31841#(<= ULTIMATE.start_main_~k~5 23), 31842#(<= ULTIMATE.start_main_~k~5 24), 31843#(<= ULTIMATE.start_main_~k~5 25), 31844#(<= ULTIMATE.start_main_~k~5 26), 31845#(<= ULTIMATE.start_main_~k~5 27), 31846#(<= ULTIMATE.start_main_~k~5 28), 31847#(<= ULTIMATE.start_main_~k~5 29), 31848#(<= ULTIMATE.start_main_~k~5 30), 31849#(<= ULTIMATE.start_main_~k~5 31), 31850#(<= ULTIMATE.start_main_~k~5 32), 31851#(<= ULTIMATE.start_main_~k~5 33), 31852#(<= ULTIMATE.start_main_~k~5 34), 31853#(<= ULTIMATE.start_main_~k~5 35), 31854#(<= ULTIMATE.start_main_~k~5 36), 31855#(<= ULTIMATE.start_main_~k~5 37), 31856#(<= ULTIMATE.start_main_~k~5 38), 31857#(<= ULTIMATE.start_main_~k~5 39), 31858#(<= ULTIMATE.start_main_~k~5 40), 31859#(<= ULTIMATE.start_main_~k~5 41), 31860#(<= ULTIMATE.start_main_~k~5 42), 31861#(<= ULTIMATE.start_main_~k~5 43), 31862#(<= ULTIMATE.start_main_~k~5 44), 31863#(<= ULTIMATE.start_main_~k~5 45), 31864#(<= ULTIMATE.start_main_~k~5 46), 31865#(<= ULTIMATE.start_main_~k~5 47), 31866#(<= ULTIMATE.start_main_~k~5 48), 31867#(<= ULTIMATE.start_main_~k~5 49), 31868#(<= ULTIMATE.start_main_~k~5 50), 31869#(<= ULTIMATE.start_main_~k~5 51), 31870#(<= ULTIMATE.start_main_~k~5 52), 31871#(<= ULTIMATE.start_main_~k~5 53), 31872#(<= ULTIMATE.start_main_~k~5 54), 31873#(<= ULTIMATE.start_main_~k~5 55), 31874#(<= ULTIMATE.start_main_~k~5 56), 31875#(<= ULTIMATE.start_main_~k~5 57), 31876#(<= ULTIMATE.start_main_~k~5 58), 31877#(<= ULTIMATE.start_main_~k~5 59), 31878#(<= ULTIMATE.start_main_~k~5 60), 31879#(<= ULTIMATE.start_main_~k~5 61), 31880#(<= ULTIMATE.start_main_~k~5 62), 31881#(<= ULTIMATE.start_main_~k~5 63), 31882#(<= ULTIMATE.start_main_~k~5 64), 31883#(<= ULTIMATE.start_main_~k~5 65), 31884#(<= ULTIMATE.start_main_~k~5 66), 31885#(<= ULTIMATE.start_main_~k~5 67), 31886#(<= ULTIMATE.start_main_~k~5 68), 31887#(<= ULTIMATE.start_main_~k~5 69), 31888#(<= ULTIMATE.start_main_~k~5 70), 31889#(<= ULTIMATE.start_main_~k~5 71), 31890#(<= ULTIMATE.start_main_~k~5 72), 31891#(<= ULTIMATE.start_main_~k~5 73), 31892#(<= ULTIMATE.start_main_~k~5 74), 31893#(<= ULTIMATE.start_main_~k~5 75), 31894#(<= ULTIMATE.start_main_~k~5 76), 31895#(<= ULTIMATE.start_main_~k~5 77), 31896#(<= ULTIMATE.start_main_~k~5 78), 31897#(<= ULTIMATE.start_main_~k~5 79), 31898#(<= ULTIMATE.start_main_~k~5 80), 31899#(<= ULTIMATE.start_main_~k~5 81), 31900#(<= ULTIMATE.start_main_~k~5 82), 31901#(<= ULTIMATE.start_main_~k~5 83), 31902#(<= ULTIMATE.start_main_~k~5 84), 31903#(<= ULTIMATE.start_main_~k~5 85), 31904#(<= ULTIMATE.start_main_~k~5 86), 31905#(<= ULTIMATE.start_main_~k~5 87), 31906#(<= ULTIMATE.start_main_~k~5 88), 31907#(<= ULTIMATE.start_main_~k~5 89), 31908#(<= ULTIMATE.start_main_~k~5 90), 31909#(<= ULTIMATE.start_main_~k~5 91), 31910#(<= ULTIMATE.start_main_~k~5 92), 31911#(<= ULTIMATE.start_main_~k~5 93), 31912#(<= ULTIMATE.start_main_~k~5 94), 31913#(<= ULTIMATE.start_main_~k~5 95), 31914#(<= ULTIMATE.start_main_~k~5 96), 31915#(<= ULTIMATE.start_main_~k~5 97), 31916#(<= ULTIMATE.start_main_~k~5 98), 31917#(<= ULTIMATE.start_main_~k~5 99), 31918#(<= ULTIMATE.start_main_~k~5 100), 31919#(<= ULTIMATE.start_main_~k~5 101), 31920#(<= ULTIMATE.start_main_~k~5 102), 31921#(<= ULTIMATE.start_main_~k~5 103), 31922#(<= ULTIMATE.start_main_~k~5 104), 31923#(<= ULTIMATE.start_main_~k~5 105), 31924#(<= ULTIMATE.start_main_~k~5 106), 31925#(<= ULTIMATE.start_main_~k~5 107), 31926#(<= ULTIMATE.start_main_~k~5 108)] [2018-07-23 13:41:08,237 INFO L134 CoverageAnalysis]: Checked inductivity of 5886 backedges. 0 proven. 5886 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2018-07-23 13:41:08,237 INFO L450 AbstractCegarLoop]: Interpolant automaton has 111 states [2018-07-23 13:41:08,238 INFO L132 InterpolantAutomaton]: Constructing interpolant automaton starting with 111 interpolants. [2018-07-23 13:41:08,239 INFO L133 InterpolantAutomaton]: CoverageRelationStatistics Valid=6105, Invalid=6105, Unknown=0, NotChecked=0, Total=12210 [2018-07-23 13:41:08,239 INFO L87 Difference]: Start difference. First operand 112 states and 112 transitions. Second operand 111 states. [2018-07-23 13:41:08,336 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2018-07-23 13:41:08,337 INFO L93 Difference]: Finished difference Result 115 states and 115 transitions. [2018-07-23 13:41:08,337 INFO L142 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 111 states. [2018-07-23 13:41:08,337 INFO L78 Accepts]: Start accepts. Automaton has 111 states. Word has length 111 [2018-07-23 13:41:08,337 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2018-07-23 13:41:08,338 INFO L225 Difference]: With dead ends: 115 [2018-07-23 13:41:08,338 INFO L226 Difference]: Without dead ends: 113 [2018-07-23 13:41:08,339 INFO L575 BasicCegarLoop]: 0 DeclaredPredicates, 110 GetRequests, 1 SyntacticMatches, 0 SemanticMatches, 109 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 0 ImplicationChecksByTransitivity, 0.3s TimeCoverageRelationStatistics Valid=6105, Invalid=6105, Unknown=0, NotChecked=0, Total=12210 [2018-07-23 13:41:08,339 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 113 states. [2018-07-23 13:41:08,341 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 113 to 113. [2018-07-23 13:41:08,342 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 113 states. [2018-07-23 13:41:08,342 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 113 states to 113 states and 113 transitions. [2018-07-23 13:41:08,342 INFO L78 Accepts]: Start accepts. Automaton has 113 states and 113 transitions. Word has length 111 [2018-07-23 13:41:08,343 INFO L84 Accepts]: Finished accepts. word is rejected. [2018-07-23 13:41:08,343 INFO L471 AbstractCegarLoop]: Abstraction has 113 states and 113 transitions. [2018-07-23 13:41:08,343 INFO L472 AbstractCegarLoop]: Interpolant automaton has 111 states. [2018-07-23 13:41:08,343 INFO L276 IsEmpty]: Start isEmpty. Operand 113 states and 113 transitions. [2018-07-23 13:41:08,344 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 113 [2018-07-23 13:41:08,344 INFO L349 BasicCegarLoop]: Found error trace [2018-07-23 13:41:08,344 INFO L357 BasicCegarLoop]: trace histogram [109, 1, 1, 1] [2018-07-23 13:41:08,344 INFO L414 AbstractCegarLoop]: === Iteration 110 === [ULTIMATE.startErr0AssertViolationASSERT]=== [2018-07-23 13:41:08,344 INFO L82 PathProgramCache]: Analyzing trace with hash -1960459288, now seen corresponding path program 109 times [2018-07-23 13:41:08,344 INFO L69 tionRefinementEngine]: Using refinement strategy FixedRefinementStrategy [2018-07-23 13:41:08,378 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-07-23 13:41:08,744 INFO L134 CoverageAnalysis]: Checked inductivity of 5995 backedges. 0 proven. 5995 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2018-07-23 13:41:08,744 INFO L309 seRefinementStrategy]: Constructing automaton from 0 perfect and 1 imperfect interpolant sequences. [2018-07-23 13:41:08,744 INFO L324 seRefinementStrategy]: Number of different interpolants: perfect sequences [] imperfect sequences [111] total 111 [2018-07-23 13:41:08,744 INFO L142 lantAutomatonBuilder]: Constructing canonical interpolant automaton, with selfloop in false state [2018-07-23 13:41:08,744 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2018-07-23 13:41:08,745 INFO L185 omatonBuilderFactory]: Interpolants [32383#true, 32384#false, 32385#(<= ULTIMATE.start_main_~k~5 0), 32386#(<= ULTIMATE.start_main_~k~5 1), 32387#(<= ULTIMATE.start_main_~k~5 2), 32388#(<= ULTIMATE.start_main_~k~5 3), 32389#(<= ULTIMATE.start_main_~k~5 4), 32390#(<= ULTIMATE.start_main_~k~5 5), 32391#(<= ULTIMATE.start_main_~k~5 6), 32392#(<= ULTIMATE.start_main_~k~5 7), 32393#(<= ULTIMATE.start_main_~k~5 8), 32394#(<= ULTIMATE.start_main_~k~5 9), 32395#(<= ULTIMATE.start_main_~k~5 10), 32396#(<= ULTIMATE.start_main_~k~5 11), 32397#(<= ULTIMATE.start_main_~k~5 12), 32398#(<= ULTIMATE.start_main_~k~5 13), 32399#(<= ULTIMATE.start_main_~k~5 14), 32400#(<= ULTIMATE.start_main_~k~5 15), 32401#(<= ULTIMATE.start_main_~k~5 16), 32402#(<= ULTIMATE.start_main_~k~5 17), 32403#(<= ULTIMATE.start_main_~k~5 18), 32404#(<= ULTIMATE.start_main_~k~5 19), 32405#(<= ULTIMATE.start_main_~k~5 20), 32406#(<= ULTIMATE.start_main_~k~5 21), 32407#(<= ULTIMATE.start_main_~k~5 22), 32408#(<= ULTIMATE.start_main_~k~5 23), 32409#(<= ULTIMATE.start_main_~k~5 24), 32410#(<= ULTIMATE.start_main_~k~5 25), 32411#(<= ULTIMATE.start_main_~k~5 26), 32412#(<= ULTIMATE.start_main_~k~5 27), 32413#(<= ULTIMATE.start_main_~k~5 28), 32414#(<= ULTIMATE.start_main_~k~5 29), 32415#(<= ULTIMATE.start_main_~k~5 30), 32416#(<= ULTIMATE.start_main_~k~5 31), 32417#(<= ULTIMATE.start_main_~k~5 32), 32418#(<= ULTIMATE.start_main_~k~5 33), 32419#(<= ULTIMATE.start_main_~k~5 34), 32420#(<= ULTIMATE.start_main_~k~5 35), 32421#(<= ULTIMATE.start_main_~k~5 36), 32422#(<= ULTIMATE.start_main_~k~5 37), 32423#(<= ULTIMATE.start_main_~k~5 38), 32424#(<= ULTIMATE.start_main_~k~5 39), 32425#(<= ULTIMATE.start_main_~k~5 40), 32426#(<= ULTIMATE.start_main_~k~5 41), 32427#(<= ULTIMATE.start_main_~k~5 42), 32428#(<= ULTIMATE.start_main_~k~5 43), 32429#(<= ULTIMATE.start_main_~k~5 44), 32430#(<= ULTIMATE.start_main_~k~5 45), 32431#(<= ULTIMATE.start_main_~k~5 46), 32432#(<= ULTIMATE.start_main_~k~5 47), 32433#(<= ULTIMATE.start_main_~k~5 48), 32434#(<= ULTIMATE.start_main_~k~5 49), 32435#(<= ULTIMATE.start_main_~k~5 50), 32436#(<= ULTIMATE.start_main_~k~5 51), 32437#(<= ULTIMATE.start_main_~k~5 52), 32438#(<= ULTIMATE.start_main_~k~5 53), 32439#(<= ULTIMATE.start_main_~k~5 54), 32440#(<= ULTIMATE.start_main_~k~5 55), 32441#(<= ULTIMATE.start_main_~k~5 56), 32442#(<= ULTIMATE.start_main_~k~5 57), 32443#(<= ULTIMATE.start_main_~k~5 58), 32444#(<= ULTIMATE.start_main_~k~5 59), 32445#(<= ULTIMATE.start_main_~k~5 60), 32446#(<= ULTIMATE.start_main_~k~5 61), 32447#(<= ULTIMATE.start_main_~k~5 62), 32448#(<= ULTIMATE.start_main_~k~5 63), 32449#(<= ULTIMATE.start_main_~k~5 64), 32450#(<= ULTIMATE.start_main_~k~5 65), 32451#(<= ULTIMATE.start_main_~k~5 66), 32452#(<= ULTIMATE.start_main_~k~5 67), 32453#(<= ULTIMATE.start_main_~k~5 68), 32454#(<= ULTIMATE.start_main_~k~5 69), 32455#(<= ULTIMATE.start_main_~k~5 70), 32456#(<= ULTIMATE.start_main_~k~5 71), 32457#(<= ULTIMATE.start_main_~k~5 72), 32458#(<= ULTIMATE.start_main_~k~5 73), 32459#(<= ULTIMATE.start_main_~k~5 74), 32460#(<= ULTIMATE.start_main_~k~5 75), 32461#(<= ULTIMATE.start_main_~k~5 76), 32462#(<= ULTIMATE.start_main_~k~5 77), 32463#(<= ULTIMATE.start_main_~k~5 78), 32464#(<= ULTIMATE.start_main_~k~5 79), 32465#(<= ULTIMATE.start_main_~k~5 80), 32466#(<= ULTIMATE.start_main_~k~5 81), 32467#(<= ULTIMATE.start_main_~k~5 82), 32468#(<= ULTIMATE.start_main_~k~5 83), 32469#(<= ULTIMATE.start_main_~k~5 84), 32470#(<= ULTIMATE.start_main_~k~5 85), 32471#(<= ULTIMATE.start_main_~k~5 86), 32472#(<= ULTIMATE.start_main_~k~5 87), 32473#(<= ULTIMATE.start_main_~k~5 88), 32474#(<= ULTIMATE.start_main_~k~5 89), 32475#(<= ULTIMATE.start_main_~k~5 90), 32476#(<= ULTIMATE.start_main_~k~5 91), 32477#(<= ULTIMATE.start_main_~k~5 92), 32478#(<= ULTIMATE.start_main_~k~5 93), 32479#(<= ULTIMATE.start_main_~k~5 94), 32480#(<= ULTIMATE.start_main_~k~5 95), 32481#(<= ULTIMATE.start_main_~k~5 96), 32482#(<= ULTIMATE.start_main_~k~5 97), 32483#(<= ULTIMATE.start_main_~k~5 98), 32484#(<= ULTIMATE.start_main_~k~5 99), 32485#(<= ULTIMATE.start_main_~k~5 100), 32486#(<= ULTIMATE.start_main_~k~5 101), 32487#(<= ULTIMATE.start_main_~k~5 102), 32488#(<= ULTIMATE.start_main_~k~5 103), 32489#(<= ULTIMATE.start_main_~k~5 104), 32490#(<= ULTIMATE.start_main_~k~5 105), 32491#(<= ULTIMATE.start_main_~k~5 106), 32492#(<= ULTIMATE.start_main_~k~5 107), 32493#(<= ULTIMATE.start_main_~k~5 108), 32494#(<= ULTIMATE.start_main_~k~5 109)] [2018-07-23 13:41:08,745 INFO L134 CoverageAnalysis]: Checked inductivity of 5995 backedges. 0 proven. 5995 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2018-07-23 13:41:08,745 INFO L450 AbstractCegarLoop]: Interpolant automaton has 112 states [2018-07-23 13:41:08,746 INFO L132 InterpolantAutomaton]: Constructing interpolant automaton starting with 112 interpolants. [2018-07-23 13:41:08,747 INFO L133 InterpolantAutomaton]: CoverageRelationStatistics Valid=6216, Invalid=6216, Unknown=0, NotChecked=0, Total=12432 [2018-07-23 13:41:08,747 INFO L87 Difference]: Start difference. First operand 113 states and 113 transitions. Second operand 112 states. [2018-07-23 13:41:08,952 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2018-07-23 13:41:08,953 INFO L93 Difference]: Finished difference Result 116 states and 116 transitions. [2018-07-23 13:41:08,953 INFO L142 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 112 states. [2018-07-23 13:41:08,953 INFO L78 Accepts]: Start accepts. Automaton has 112 states. Word has length 112 [2018-07-23 13:41:08,953 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2018-07-23 13:41:08,954 INFO L225 Difference]: With dead ends: 116 [2018-07-23 13:41:08,954 INFO L226 Difference]: Without dead ends: 114 [2018-07-23 13:41:08,955 INFO L575 BasicCegarLoop]: 0 DeclaredPredicates, 111 GetRequests, 1 SyntacticMatches, 0 SemanticMatches, 110 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 0 ImplicationChecksByTransitivity, 0.3s TimeCoverageRelationStatistics Valid=6216, Invalid=6216, Unknown=0, NotChecked=0, Total=12432 [2018-07-23 13:41:08,955 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 114 states. [2018-07-23 13:41:08,958 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 114 to 114. [2018-07-23 13:41:08,958 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 114 states. [2018-07-23 13:41:08,959 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 114 states to 114 states and 114 transitions. [2018-07-23 13:41:08,959 INFO L78 Accepts]: Start accepts. Automaton has 114 states and 114 transitions. Word has length 112 [2018-07-23 13:41:08,960 INFO L84 Accepts]: Finished accepts. word is rejected. [2018-07-23 13:41:08,961 INFO L471 AbstractCegarLoop]: Abstraction has 114 states and 114 transitions. [2018-07-23 13:41:08,961 INFO L472 AbstractCegarLoop]: Interpolant automaton has 112 states. [2018-07-23 13:41:08,961 INFO L276 IsEmpty]: Start isEmpty. Operand 114 states and 114 transitions. [2018-07-23 13:41:08,961 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 114 [2018-07-23 13:41:08,961 INFO L349 BasicCegarLoop]: Found error trace [2018-07-23 13:41:08,962 INFO L357 BasicCegarLoop]: trace histogram [110, 1, 1, 1] [2018-07-23 13:41:08,962 INFO L414 AbstractCegarLoop]: === Iteration 111 === [ULTIMATE.startErr0AssertViolationASSERT]=== [2018-07-23 13:41:08,962 INFO L82 PathProgramCache]: Analyzing trace with hash -644697759, now seen corresponding path program 110 times [2018-07-23 13:41:08,962 INFO L69 tionRefinementEngine]: Using refinement strategy FixedRefinementStrategy [2018-07-23 13:41:08,999 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-07-23 13:41:09,330 INFO L134 CoverageAnalysis]: Checked inductivity of 6105 backedges. 0 proven. 6105 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2018-07-23 13:41:09,330 INFO L309 seRefinementStrategy]: Constructing automaton from 0 perfect and 1 imperfect interpolant sequences. [2018-07-23 13:41:09,330 INFO L324 seRefinementStrategy]: Number of different interpolants: perfect sequences [] imperfect sequences [112] total 112 [2018-07-23 13:41:09,330 INFO L142 lantAutomatonBuilder]: Constructing canonical interpolant automaton, with selfloop in false state [2018-07-23 13:41:09,331 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 13:41:09,331 INFO L185 omatonBuilderFactory]: Interpolants [33024#(<= ULTIMATE.start_main_~k~5 67), 33025#(<= ULTIMATE.start_main_~k~5 68), 33026#(<= ULTIMATE.start_main_~k~5 69), 33027#(<= ULTIMATE.start_main_~k~5 70), 33028#(<= ULTIMATE.start_main_~k~5 71), 33029#(<= ULTIMATE.start_main_~k~5 72), 33030#(<= ULTIMATE.start_main_~k~5 73), 33031#(<= ULTIMATE.start_main_~k~5 74), 33032#(<= ULTIMATE.start_main_~k~5 75), 33033#(<= ULTIMATE.start_main_~k~5 76), 33034#(<= ULTIMATE.start_main_~k~5 77), 33035#(<= ULTIMATE.start_main_~k~5 78), 33036#(<= ULTIMATE.start_main_~k~5 79), 33037#(<= ULTIMATE.start_main_~k~5 80), 33038#(<= ULTIMATE.start_main_~k~5 81), 33039#(<= ULTIMATE.start_main_~k~5 82), 33040#(<= ULTIMATE.start_main_~k~5 83), 33041#(<= ULTIMATE.start_main_~k~5 84), 33042#(<= ULTIMATE.start_main_~k~5 85), 33043#(<= ULTIMATE.start_main_~k~5 86), 33044#(<= ULTIMATE.start_main_~k~5 87), 33045#(<= ULTIMATE.start_main_~k~5 88), 33046#(<= ULTIMATE.start_main_~k~5 89), 33047#(<= ULTIMATE.start_main_~k~5 90), 33048#(<= ULTIMATE.start_main_~k~5 91), 33049#(<= ULTIMATE.start_main_~k~5 92), 33050#(<= ULTIMATE.start_main_~k~5 93), 33051#(<= ULTIMATE.start_main_~k~5 94), 33052#(<= ULTIMATE.start_main_~k~5 95), 33053#(<= ULTIMATE.start_main_~k~5 96), 33054#(<= ULTIMATE.start_main_~k~5 97), 33055#(<= ULTIMATE.start_main_~k~5 98), 33056#(<= ULTIMATE.start_main_~k~5 99), 33057#(<= ULTIMATE.start_main_~k~5 100), 33058#(<= ULTIMATE.start_main_~k~5 101), 33059#(<= ULTIMATE.start_main_~k~5 102), 33060#(<= ULTIMATE.start_main_~k~5 103), 33061#(<= ULTIMATE.start_main_~k~5 104), 33062#(<= ULTIMATE.start_main_~k~5 105), 33063#(<= ULTIMATE.start_main_~k~5 106), 33064#(<= ULTIMATE.start_main_~k~5 107), 33065#(<= ULTIMATE.start_main_~k~5 108), 33066#(<= ULTIMATE.start_main_~k~5 109), 33067#(<= ULTIMATE.start_main_~k~5 110), 32955#true, 32956#false, 32957#(<= ULTIMATE.start_main_~k~5 0), 32958#(<= ULTIMATE.start_main_~k~5 1), 32959#(<= ULTIMATE.start_main_~k~5 2), 32960#(<= ULTIMATE.start_main_~k~5 3), 32961#(<= ULTIMATE.start_main_~k~5 4), 32962#(<= ULTIMATE.start_main_~k~5 5), 32963#(<= ULTIMATE.start_main_~k~5 6), 32964#(<= ULTIMATE.start_main_~k~5 7), 32965#(<= ULTIMATE.start_main_~k~5 8), 32966#(<= ULTIMATE.start_main_~k~5 9), 32967#(<= ULTIMATE.start_main_~k~5 10), 32968#(<= ULTIMATE.start_main_~k~5 11), 32969#(<= ULTIMATE.start_main_~k~5 12), 32970#(<= ULTIMATE.start_main_~k~5 13), 32971#(<= ULTIMATE.start_main_~k~5 14), 32972#(<= ULTIMATE.start_main_~k~5 15), 32973#(<= ULTIMATE.start_main_~k~5 16), 32974#(<= ULTIMATE.start_main_~k~5 17), 32975#(<= ULTIMATE.start_main_~k~5 18), 32976#(<= ULTIMATE.start_main_~k~5 19), 32977#(<= ULTIMATE.start_main_~k~5 20), 32978#(<= ULTIMATE.start_main_~k~5 21), 32979#(<= ULTIMATE.start_main_~k~5 22), 32980#(<= ULTIMATE.start_main_~k~5 23), 32981#(<= ULTIMATE.start_main_~k~5 24), 32982#(<= ULTIMATE.start_main_~k~5 25), 32983#(<= ULTIMATE.start_main_~k~5 26), 32984#(<= ULTIMATE.start_main_~k~5 27), 32985#(<= ULTIMATE.start_main_~k~5 28), 32986#(<= ULTIMATE.start_main_~k~5 29), 32987#(<= ULTIMATE.start_main_~k~5 30), 32988#(<= ULTIMATE.start_main_~k~5 31), 32989#(<= ULTIMATE.start_main_~k~5 32), 32990#(<= ULTIMATE.start_main_~k~5 33), 32991#(<= ULTIMATE.start_main_~k~5 34), 32992#(<= ULTIMATE.start_main_~k~5 35), 32993#(<= ULTIMATE.start_main_~k~5 36), 32994#(<= ULTIMATE.start_main_~k~5 37), 32995#(<= ULTIMATE.start_main_~k~5 38), 32996#(<= ULTIMATE.start_main_~k~5 39), 32997#(<= ULTIMATE.start_main_~k~5 40), 32998#(<= ULTIMATE.start_main_~k~5 41), 32999#(<= ULTIMATE.start_main_~k~5 42), 33000#(<= ULTIMATE.start_main_~k~5 43), 33001#(<= ULTIMATE.start_main_~k~5 44), 33002#(<= ULTIMATE.start_main_~k~5 45), 33003#(<= ULTIMATE.start_main_~k~5 46), 33004#(<= ULTIMATE.start_main_~k~5 47), 33005#(<= ULTIMATE.start_main_~k~5 48), 33006#(<= ULTIMATE.start_main_~k~5 49), 33007#(<= ULTIMATE.start_main_~k~5 50), 33008#(<= ULTIMATE.start_main_~k~5 51), 33009#(<= ULTIMATE.start_main_~k~5 52), 33010#(<= ULTIMATE.start_main_~k~5 53), 33011#(<= ULTIMATE.start_main_~k~5 54), 33012#(<= ULTIMATE.start_main_~k~5 55), 33013#(<= ULTIMATE.start_main_~k~5 56), 33014#(<= ULTIMATE.start_main_~k~5 57), 33015#(<= ULTIMATE.start_main_~k~5 58), 33016#(<= ULTIMATE.start_main_~k~5 59), 33017#(<= ULTIMATE.start_main_~k~5 60), 33018#(<= ULTIMATE.start_main_~k~5 61), 33019#(<= ULTIMATE.start_main_~k~5 62), 33020#(<= ULTIMATE.start_main_~k~5 63), 33021#(<= ULTIMATE.start_main_~k~5 64), 33022#(<= ULTIMATE.start_main_~k~5 65), 33023#(<= ULTIMATE.start_main_~k~5 66)] [2018-07-23 13:41:09,332 INFO L134 CoverageAnalysis]: Checked inductivity of 6105 backedges. 0 proven. 6105 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2018-07-23 13:41:09,332 INFO L450 AbstractCegarLoop]: Interpolant automaton has 113 states [2018-07-23 13:41:09,333 INFO L132 InterpolantAutomaton]: Constructing interpolant automaton starting with 113 interpolants. [2018-07-23 13:41:09,333 INFO L133 InterpolantAutomaton]: CoverageRelationStatistics Valid=6328, Invalid=6328, Unknown=0, NotChecked=0, Total=12656 [2018-07-23 13:41:09,334 INFO L87 Difference]: Start difference. First operand 114 states and 114 transitions. Second operand 113 states. [2018-07-23 13:41:09,392 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2018-07-23 13:41:09,392 INFO L93 Difference]: Finished difference Result 117 states and 117 transitions. [2018-07-23 13:41:09,393 INFO L142 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 113 states. [2018-07-23 13:41:09,393 INFO L78 Accepts]: Start accepts. Automaton has 113 states. Word has length 113 [2018-07-23 13:41:09,393 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2018-07-23 13:41:09,393 INFO L225 Difference]: With dead ends: 117 [2018-07-23 13:41:09,393 INFO L226 Difference]: Without dead ends: 115 [2018-07-23 13:41:09,395 INFO L575 BasicCegarLoop]: 0 DeclaredPredicates, 112 GetRequests, 1 SyntacticMatches, 0 SemanticMatches, 111 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 0 ImplicationChecksByTransitivity, 0.2s TimeCoverageRelationStatistics Valid=6328, Invalid=6328, Unknown=0, NotChecked=0, Total=12656 [2018-07-23 13:41:09,395 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 115 states. [2018-07-23 13:41:09,397 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 115 to 115. [2018-07-23 13:41:09,398 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 115 states. [2018-07-23 13:41:09,398 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 115 states to 115 states and 115 transitions. [2018-07-23 13:41:09,398 INFO L78 Accepts]: Start accepts. Automaton has 115 states and 115 transitions. Word has length 113 [2018-07-23 13:41:09,399 INFO L84 Accepts]: Finished accepts. word is rejected. [2018-07-23 13:41:09,399 INFO L471 AbstractCegarLoop]: Abstraction has 115 states and 115 transitions. [2018-07-23 13:41:09,399 INFO L472 AbstractCegarLoop]: Interpolant automaton has 113 states. [2018-07-23 13:41:09,399 INFO L276 IsEmpty]: Start isEmpty. Operand 115 states and 115 transitions. [2018-07-23 13:41:09,400 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 115 [2018-07-23 13:41:09,400 INFO L349 BasicCegarLoop]: Found error trace [2018-07-23 13:41:09,400 INFO L357 BasicCegarLoop]: trace histogram [111, 1, 1, 1] [2018-07-23 13:41:09,400 INFO L414 AbstractCegarLoop]: === Iteration 112 === [ULTIMATE.startErr0AssertViolationASSERT]=== [2018-07-23 13:41:09,400 INFO L82 PathProgramCache]: Analyzing trace with hash 1489203976, now seen corresponding path program 111 times [2018-07-23 13:41:09,400 INFO L69 tionRefinementEngine]: Using refinement strategy FixedRefinementStrategy [2018-07-23 13:41:09,430 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-07-23 13:41:09,805 INFO L134 CoverageAnalysis]: Checked inductivity of 6216 backedges. 0 proven. 6216 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2018-07-23 13:41:09,805 INFO L309 seRefinementStrategy]: Constructing automaton from 0 perfect and 1 imperfect interpolant sequences. [2018-07-23 13:41:09,805 INFO L324 seRefinementStrategy]: Number of different interpolants: perfect sequences [] imperfect sequences [113] total 113 [2018-07-23 13:41:09,805 INFO L142 lantAutomatonBuilder]: Constructing canonical interpolant automaton, with selfloop in false state [2018-07-23 13:41:09,806 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2018-07-23 13:41:09,806 INFO L185 omatonBuilderFactory]: Interpolants [33536#(<= ULTIMATE.start_main_~k~5 2), 33537#(<= ULTIMATE.start_main_~k~5 3), 33538#(<= ULTIMATE.start_main_~k~5 4), 33539#(<= ULTIMATE.start_main_~k~5 5), 33540#(<= ULTIMATE.start_main_~k~5 6), 33541#(<= ULTIMATE.start_main_~k~5 7), 33542#(<= ULTIMATE.start_main_~k~5 8), 33543#(<= ULTIMATE.start_main_~k~5 9), 33544#(<= ULTIMATE.start_main_~k~5 10), 33545#(<= ULTIMATE.start_main_~k~5 11), 33546#(<= ULTIMATE.start_main_~k~5 12), 33547#(<= ULTIMATE.start_main_~k~5 13), 33548#(<= ULTIMATE.start_main_~k~5 14), 33549#(<= ULTIMATE.start_main_~k~5 15), 33550#(<= ULTIMATE.start_main_~k~5 16), 33551#(<= ULTIMATE.start_main_~k~5 17), 33552#(<= ULTIMATE.start_main_~k~5 18), 33553#(<= ULTIMATE.start_main_~k~5 19), 33554#(<= ULTIMATE.start_main_~k~5 20), 33555#(<= ULTIMATE.start_main_~k~5 21), 33556#(<= ULTIMATE.start_main_~k~5 22), 33557#(<= ULTIMATE.start_main_~k~5 23), 33558#(<= ULTIMATE.start_main_~k~5 24), 33559#(<= ULTIMATE.start_main_~k~5 25), 33560#(<= ULTIMATE.start_main_~k~5 26), 33561#(<= ULTIMATE.start_main_~k~5 27), 33562#(<= ULTIMATE.start_main_~k~5 28), 33563#(<= ULTIMATE.start_main_~k~5 29), 33564#(<= ULTIMATE.start_main_~k~5 30), 33565#(<= ULTIMATE.start_main_~k~5 31), 33566#(<= ULTIMATE.start_main_~k~5 32), 33567#(<= ULTIMATE.start_main_~k~5 33), 33568#(<= ULTIMATE.start_main_~k~5 34), 33569#(<= ULTIMATE.start_main_~k~5 35), 33570#(<= ULTIMATE.start_main_~k~5 36), 33571#(<= ULTIMATE.start_main_~k~5 37), 33572#(<= ULTIMATE.start_main_~k~5 38), 33573#(<= ULTIMATE.start_main_~k~5 39), 33574#(<= ULTIMATE.start_main_~k~5 40), 33575#(<= ULTIMATE.start_main_~k~5 41), 33576#(<= ULTIMATE.start_main_~k~5 42), 33577#(<= ULTIMATE.start_main_~k~5 43), 33578#(<= ULTIMATE.start_main_~k~5 44), 33579#(<= ULTIMATE.start_main_~k~5 45), 33580#(<= ULTIMATE.start_main_~k~5 46), 33581#(<= ULTIMATE.start_main_~k~5 47), 33582#(<= ULTIMATE.start_main_~k~5 48), 33583#(<= ULTIMATE.start_main_~k~5 49), 33584#(<= ULTIMATE.start_main_~k~5 50), 33585#(<= ULTIMATE.start_main_~k~5 51), 33586#(<= ULTIMATE.start_main_~k~5 52), 33587#(<= ULTIMATE.start_main_~k~5 53), 33588#(<= ULTIMATE.start_main_~k~5 54), 33589#(<= ULTIMATE.start_main_~k~5 55), 33590#(<= ULTIMATE.start_main_~k~5 56), 33591#(<= ULTIMATE.start_main_~k~5 57), 33592#(<= ULTIMATE.start_main_~k~5 58), 33593#(<= ULTIMATE.start_main_~k~5 59), 33594#(<= ULTIMATE.start_main_~k~5 60), 33595#(<= ULTIMATE.start_main_~k~5 61), 33596#(<= ULTIMATE.start_main_~k~5 62), 33597#(<= ULTIMATE.start_main_~k~5 63), 33598#(<= ULTIMATE.start_main_~k~5 64), 33599#(<= ULTIMATE.start_main_~k~5 65), 33600#(<= ULTIMATE.start_main_~k~5 66), 33601#(<= ULTIMATE.start_main_~k~5 67), 33602#(<= ULTIMATE.start_main_~k~5 68), 33603#(<= ULTIMATE.start_main_~k~5 69), 33604#(<= ULTIMATE.start_main_~k~5 70), 33605#(<= ULTIMATE.start_main_~k~5 71), 33606#(<= ULTIMATE.start_main_~k~5 72), 33607#(<= ULTIMATE.start_main_~k~5 73), 33608#(<= ULTIMATE.start_main_~k~5 74), 33609#(<= ULTIMATE.start_main_~k~5 75), 33610#(<= ULTIMATE.start_main_~k~5 76), 33611#(<= ULTIMATE.start_main_~k~5 77), 33612#(<= ULTIMATE.start_main_~k~5 78), 33613#(<= ULTIMATE.start_main_~k~5 79), 33614#(<= ULTIMATE.start_main_~k~5 80), 33615#(<= ULTIMATE.start_main_~k~5 81), 33616#(<= ULTIMATE.start_main_~k~5 82), 33617#(<= ULTIMATE.start_main_~k~5 83), 33618#(<= ULTIMATE.start_main_~k~5 84), 33619#(<= ULTIMATE.start_main_~k~5 85), 33620#(<= ULTIMATE.start_main_~k~5 86), 33621#(<= ULTIMATE.start_main_~k~5 87), 33622#(<= ULTIMATE.start_main_~k~5 88), 33623#(<= ULTIMATE.start_main_~k~5 89), 33624#(<= ULTIMATE.start_main_~k~5 90), 33625#(<= ULTIMATE.start_main_~k~5 91), 33626#(<= ULTIMATE.start_main_~k~5 92), 33627#(<= ULTIMATE.start_main_~k~5 93), 33628#(<= ULTIMATE.start_main_~k~5 94), 33629#(<= ULTIMATE.start_main_~k~5 95), 33630#(<= ULTIMATE.start_main_~k~5 96), 33631#(<= ULTIMATE.start_main_~k~5 97), 33632#(<= ULTIMATE.start_main_~k~5 98), 33633#(<= ULTIMATE.start_main_~k~5 99), 33634#(<= ULTIMATE.start_main_~k~5 100), 33635#(<= ULTIMATE.start_main_~k~5 101), 33636#(<= ULTIMATE.start_main_~k~5 102), 33637#(<= ULTIMATE.start_main_~k~5 103), 33638#(<= ULTIMATE.start_main_~k~5 104), 33639#(<= ULTIMATE.start_main_~k~5 105), 33640#(<= ULTIMATE.start_main_~k~5 106), 33641#(<= ULTIMATE.start_main_~k~5 107), 33642#(<= ULTIMATE.start_main_~k~5 108), 33643#(<= ULTIMATE.start_main_~k~5 109), 33644#(<= ULTIMATE.start_main_~k~5 110), 33645#(<= ULTIMATE.start_main_~k~5 111), 33532#true, 33533#false, 33534#(<= ULTIMATE.start_main_~k~5 0), 33535#(<= ULTIMATE.start_main_~k~5 1)] [2018-07-23 13:41:09,806 INFO L134 CoverageAnalysis]: Checked inductivity of 6216 backedges. 0 proven. 6216 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2018-07-23 13:41:09,807 INFO L450 AbstractCegarLoop]: Interpolant automaton has 114 states [2018-07-23 13:41:09,808 INFO L132 InterpolantAutomaton]: Constructing interpolant automaton starting with 114 interpolants. [2018-07-23 13:41:09,808 INFO L133 InterpolantAutomaton]: CoverageRelationStatistics Valid=6441, Invalid=6441, Unknown=0, NotChecked=0, Total=12882 [2018-07-23 13:41:09,808 INFO L87 Difference]: Start difference. First operand 115 states and 115 transitions. Second operand 114 states. [2018-07-23 13:41:09,960 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2018-07-23 13:41:09,960 INFO L93 Difference]: Finished difference Result 118 states and 118 transitions. [2018-07-23 13:41:09,960 INFO L142 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 114 states. [2018-07-23 13:41:09,960 INFO L78 Accepts]: Start accepts. Automaton has 114 states. Word has length 114 [2018-07-23 13:41:09,960 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2018-07-23 13:41:09,961 INFO L225 Difference]: With dead ends: 118 [2018-07-23 13:41:09,961 INFO L226 Difference]: Without dead ends: 116 [2018-07-23 13:41:09,962 INFO L575 BasicCegarLoop]: 0 DeclaredPredicates, 113 GetRequests, 1 SyntacticMatches, 0 SemanticMatches, 112 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 0 ImplicationChecksByTransitivity, 0.3s TimeCoverageRelationStatistics Valid=6441, Invalid=6441, Unknown=0, NotChecked=0, Total=12882 [2018-07-23 13:41:09,962 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 116 states. [2018-07-23 13:41:09,964 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 116 to 116. [2018-07-23 13:41:09,965 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 116 states. [2018-07-23 13:41:09,965 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 116 states to 116 states and 116 transitions. [2018-07-23 13:41:09,965 INFO L78 Accepts]: Start accepts. Automaton has 116 states and 116 transitions. Word has length 114 [2018-07-23 13:41:09,966 INFO L84 Accepts]: Finished accepts. word is rejected. [2018-07-23 13:41:09,966 INFO L471 AbstractCegarLoop]: Abstraction has 116 states and 116 transitions. [2018-07-23 13:41:09,966 INFO L472 AbstractCegarLoop]: Interpolant automaton has 114 states. [2018-07-23 13:41:09,966 INFO L276 IsEmpty]: Start isEmpty. Operand 116 states and 116 transitions. [2018-07-23 13:41:09,966 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 116 [2018-07-23 13:41:09,966 INFO L349 BasicCegarLoop]: Found error trace [2018-07-23 13:41:09,967 INFO L357 BasicCegarLoop]: trace histogram [112, 1, 1, 1] [2018-07-23 13:41:09,967 INFO L414 AbstractCegarLoop]: === Iteration 113 === [ULTIMATE.startErr0AssertViolationASSERT]=== [2018-07-23 13:41:09,967 INFO L82 PathProgramCache]: Analyzing trace with hash -1079318975, now seen corresponding path program 112 times [2018-07-23 13:41:09,967 INFO L69 tionRefinementEngine]: Using refinement strategy FixedRefinementStrategy [2018-07-23 13:41:09,998 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-07-23 13:41:10,317 INFO L134 CoverageAnalysis]: Checked inductivity of 6328 backedges. 0 proven. 6328 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2018-07-23 13:41:10,318 INFO L309 seRefinementStrategy]: Constructing automaton from 0 perfect and 1 imperfect interpolant sequences. [2018-07-23 13:41:10,318 INFO L324 seRefinementStrategy]: Number of different interpolants: perfect sequences [] imperfect sequences [114] total 114 [2018-07-23 13:41:10,318 INFO L142 lantAutomatonBuilder]: Constructing canonical interpolant automaton, with selfloop in false state [2018-07-23 13:41:10,318 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2018-07-23 13:41:10,318 INFO L185 omatonBuilderFactory]: Interpolants [34114#true, 34115#false, 34116#(<= ULTIMATE.start_main_~k~5 0), 34117#(<= ULTIMATE.start_main_~k~5 1), 34118#(<= ULTIMATE.start_main_~k~5 2), 34119#(<= ULTIMATE.start_main_~k~5 3), 34120#(<= ULTIMATE.start_main_~k~5 4), 34121#(<= ULTIMATE.start_main_~k~5 5), 34122#(<= ULTIMATE.start_main_~k~5 6), 34123#(<= ULTIMATE.start_main_~k~5 7), 34124#(<= ULTIMATE.start_main_~k~5 8), 34125#(<= ULTIMATE.start_main_~k~5 9), 34126#(<= ULTIMATE.start_main_~k~5 10), 34127#(<= ULTIMATE.start_main_~k~5 11), 34128#(<= ULTIMATE.start_main_~k~5 12), 34129#(<= ULTIMATE.start_main_~k~5 13), 34130#(<= ULTIMATE.start_main_~k~5 14), 34131#(<= ULTIMATE.start_main_~k~5 15), 34132#(<= ULTIMATE.start_main_~k~5 16), 34133#(<= ULTIMATE.start_main_~k~5 17), 34134#(<= ULTIMATE.start_main_~k~5 18), 34135#(<= ULTIMATE.start_main_~k~5 19), 34136#(<= ULTIMATE.start_main_~k~5 20), 34137#(<= ULTIMATE.start_main_~k~5 21), 34138#(<= ULTIMATE.start_main_~k~5 22), 34139#(<= ULTIMATE.start_main_~k~5 23), 34140#(<= ULTIMATE.start_main_~k~5 24), 34141#(<= ULTIMATE.start_main_~k~5 25), 34142#(<= ULTIMATE.start_main_~k~5 26), 34143#(<= ULTIMATE.start_main_~k~5 27), 34144#(<= ULTIMATE.start_main_~k~5 28), 34145#(<= ULTIMATE.start_main_~k~5 29), 34146#(<= ULTIMATE.start_main_~k~5 30), 34147#(<= ULTIMATE.start_main_~k~5 31), 34148#(<= ULTIMATE.start_main_~k~5 32), 34149#(<= ULTIMATE.start_main_~k~5 33), 34150#(<= ULTIMATE.start_main_~k~5 34), 34151#(<= ULTIMATE.start_main_~k~5 35), 34152#(<= ULTIMATE.start_main_~k~5 36), 34153#(<= ULTIMATE.start_main_~k~5 37), 34154#(<= ULTIMATE.start_main_~k~5 38), 34155#(<= ULTIMATE.start_main_~k~5 39), 34156#(<= ULTIMATE.start_main_~k~5 40), 34157#(<= ULTIMATE.start_main_~k~5 41), 34158#(<= ULTIMATE.start_main_~k~5 42), 34159#(<= ULTIMATE.start_main_~k~5 43), 34160#(<= ULTIMATE.start_main_~k~5 44), 34161#(<= ULTIMATE.start_main_~k~5 45), 34162#(<= ULTIMATE.start_main_~k~5 46), 34163#(<= ULTIMATE.start_main_~k~5 47), 34164#(<= ULTIMATE.start_main_~k~5 48), 34165#(<= ULTIMATE.start_main_~k~5 49), 34166#(<= ULTIMATE.start_main_~k~5 50), 34167#(<= ULTIMATE.start_main_~k~5 51), 34168#(<= ULTIMATE.start_main_~k~5 52), 34169#(<= ULTIMATE.start_main_~k~5 53), 34170#(<= ULTIMATE.start_main_~k~5 54), 34171#(<= ULTIMATE.start_main_~k~5 55), 34172#(<= ULTIMATE.start_main_~k~5 56), 34173#(<= ULTIMATE.start_main_~k~5 57), 34174#(<= ULTIMATE.start_main_~k~5 58), 34175#(<= ULTIMATE.start_main_~k~5 59), 34176#(<= ULTIMATE.start_main_~k~5 60), 34177#(<= ULTIMATE.start_main_~k~5 61), 34178#(<= ULTIMATE.start_main_~k~5 62), 34179#(<= ULTIMATE.start_main_~k~5 63), 34180#(<= ULTIMATE.start_main_~k~5 64), 34181#(<= ULTIMATE.start_main_~k~5 65), 34182#(<= ULTIMATE.start_main_~k~5 66), 34183#(<= ULTIMATE.start_main_~k~5 67), 34184#(<= ULTIMATE.start_main_~k~5 68), 34185#(<= ULTIMATE.start_main_~k~5 69), 34186#(<= ULTIMATE.start_main_~k~5 70), 34187#(<= ULTIMATE.start_main_~k~5 71), 34188#(<= ULTIMATE.start_main_~k~5 72), 34189#(<= ULTIMATE.start_main_~k~5 73), 34190#(<= ULTIMATE.start_main_~k~5 74), 34191#(<= ULTIMATE.start_main_~k~5 75), 34192#(<= ULTIMATE.start_main_~k~5 76), 34193#(<= ULTIMATE.start_main_~k~5 77), 34194#(<= ULTIMATE.start_main_~k~5 78), 34195#(<= ULTIMATE.start_main_~k~5 79), 34196#(<= ULTIMATE.start_main_~k~5 80), 34197#(<= ULTIMATE.start_main_~k~5 81), 34198#(<= ULTIMATE.start_main_~k~5 82), 34199#(<= ULTIMATE.start_main_~k~5 83), 34200#(<= ULTIMATE.start_main_~k~5 84), 34201#(<= ULTIMATE.start_main_~k~5 85), 34202#(<= ULTIMATE.start_main_~k~5 86), 34203#(<= ULTIMATE.start_main_~k~5 87), 34204#(<= ULTIMATE.start_main_~k~5 88), 34205#(<= ULTIMATE.start_main_~k~5 89), 34206#(<= ULTIMATE.start_main_~k~5 90), 34207#(<= ULTIMATE.start_main_~k~5 91), 34208#(<= ULTIMATE.start_main_~k~5 92), 34209#(<= ULTIMATE.start_main_~k~5 93), 34210#(<= ULTIMATE.start_main_~k~5 94), 34211#(<= ULTIMATE.start_main_~k~5 95), 34212#(<= ULTIMATE.start_main_~k~5 96), 34213#(<= ULTIMATE.start_main_~k~5 97), 34214#(<= ULTIMATE.start_main_~k~5 98), 34215#(<= ULTIMATE.start_main_~k~5 99), 34216#(<= ULTIMATE.start_main_~k~5 100), 34217#(<= ULTIMATE.start_main_~k~5 101), 34218#(<= ULTIMATE.start_main_~k~5 102), 34219#(<= ULTIMATE.start_main_~k~5 103), 34220#(<= ULTIMATE.start_main_~k~5 104), 34221#(<= ULTIMATE.start_main_~k~5 105), 34222#(<= ULTIMATE.start_main_~k~5 106), 34223#(<= ULTIMATE.start_main_~k~5 107), 34224#(<= ULTIMATE.start_main_~k~5 108), 34225#(<= ULTIMATE.start_main_~k~5 109), 34226#(<= ULTIMATE.start_main_~k~5 110), 34227#(<= ULTIMATE.start_main_~k~5 111), 34228#(<= ULTIMATE.start_main_~k~5 112)] [2018-07-23 13:41:10,319 INFO L134 CoverageAnalysis]: Checked inductivity of 6328 backedges. 0 proven. 6328 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2018-07-23 13:41:10,319 INFO L450 AbstractCegarLoop]: Interpolant automaton has 115 states [2018-07-23 13:41:10,320 INFO L132 InterpolantAutomaton]: Constructing interpolant automaton starting with 115 interpolants. [2018-07-23 13:41:10,320 INFO L133 InterpolantAutomaton]: CoverageRelationStatistics Valid=6555, Invalid=6555, Unknown=0, NotChecked=0, Total=13110 [2018-07-23 13:41:10,321 INFO L87 Difference]: Start difference. First operand 116 states and 116 transitions. Second operand 115 states. [2018-07-23 13:41:10,418 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2018-07-23 13:41:10,418 INFO L93 Difference]: Finished difference Result 119 states and 119 transitions. [2018-07-23 13:41:10,418 INFO L142 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 115 states. [2018-07-23 13:41:10,418 INFO L78 Accepts]: Start accepts. Automaton has 115 states. Word has length 115 [2018-07-23 13:41:10,419 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2018-07-23 13:41:10,419 INFO L225 Difference]: With dead ends: 119 [2018-07-23 13:41:10,419 INFO L226 Difference]: Without dead ends: 117 [2018-07-23 13:41:10,420 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 13:41:10,420 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 117 states. [2018-07-23 13:41:10,421 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 117 to 117. [2018-07-23 13:41:10,422 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 117 states. [2018-07-23 13:41:10,422 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 117 states to 117 states and 117 transitions. [2018-07-23 13:41:10,422 INFO L78 Accepts]: Start accepts. Automaton has 117 states and 117 transitions. Word has length 115 [2018-07-23 13:41:10,422 INFO L84 Accepts]: Finished accepts. word is rejected. [2018-07-23 13:41:10,422 INFO L471 AbstractCegarLoop]: Abstraction has 117 states and 117 transitions. [2018-07-23 13:41:10,422 INFO L472 AbstractCegarLoop]: Interpolant automaton has 115 states. [2018-07-23 13:41:10,422 INFO L276 IsEmpty]: Start isEmpty. Operand 117 states and 117 transitions. [2018-07-23 13:41:10,423 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 117 [2018-07-23 13:41:10,423 INFO L349 BasicCegarLoop]: Found error trace [2018-07-23 13:41:10,423 INFO L357 BasicCegarLoop]: trace histogram [113, 1, 1, 1] [2018-07-23 13:41:10,423 INFO L414 AbstractCegarLoop]: === Iteration 114 === [ULTIMATE.startErr0AssertViolationASSERT]=== [2018-07-23 13:41:10,423 INFO L82 PathProgramCache]: Analyzing trace with hash 900848168, now seen corresponding path program 113 times [2018-07-23 13:41:10,423 INFO L69 tionRefinementEngine]: Using refinement strategy FixedRefinementStrategy [2018-07-23 13:41:10,448 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-07-23 13:41:10,771 INFO L134 CoverageAnalysis]: Checked inductivity of 6441 backedges. 0 proven. 6441 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2018-07-23 13:41:10,772 INFO L309 seRefinementStrategy]: Constructing automaton from 0 perfect and 1 imperfect interpolant sequences. [2018-07-23 13:41:10,772 INFO L324 seRefinementStrategy]: Number of different interpolants: perfect sequences [] imperfect sequences [115] total 115 [2018-07-23 13:41:10,772 INFO L142 lantAutomatonBuilder]: Constructing canonical interpolant automaton, with selfloop in false state [2018-07-23 13:41:10,772 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 13:41:10,772 INFO L185 omatonBuilderFactory]: Interpolants [34816#(<= ULTIMATE.start_main_~k~5 113), 34701#true, 34702#false, 34703#(<= ULTIMATE.start_main_~k~5 0), 34704#(<= ULTIMATE.start_main_~k~5 1), 34705#(<= ULTIMATE.start_main_~k~5 2), 34706#(<= ULTIMATE.start_main_~k~5 3), 34707#(<= ULTIMATE.start_main_~k~5 4), 34708#(<= ULTIMATE.start_main_~k~5 5), 34709#(<= ULTIMATE.start_main_~k~5 6), 34710#(<= ULTIMATE.start_main_~k~5 7), 34711#(<= ULTIMATE.start_main_~k~5 8), 34712#(<= ULTIMATE.start_main_~k~5 9), 34713#(<= ULTIMATE.start_main_~k~5 10), 34714#(<= ULTIMATE.start_main_~k~5 11), 34715#(<= ULTIMATE.start_main_~k~5 12), 34716#(<= ULTIMATE.start_main_~k~5 13), 34717#(<= ULTIMATE.start_main_~k~5 14), 34718#(<= ULTIMATE.start_main_~k~5 15), 34719#(<= ULTIMATE.start_main_~k~5 16), 34720#(<= ULTIMATE.start_main_~k~5 17), 34721#(<= ULTIMATE.start_main_~k~5 18), 34722#(<= ULTIMATE.start_main_~k~5 19), 34723#(<= ULTIMATE.start_main_~k~5 20), 34724#(<= ULTIMATE.start_main_~k~5 21), 34725#(<= ULTIMATE.start_main_~k~5 22), 34726#(<= ULTIMATE.start_main_~k~5 23), 34727#(<= ULTIMATE.start_main_~k~5 24), 34728#(<= ULTIMATE.start_main_~k~5 25), 34729#(<= ULTIMATE.start_main_~k~5 26), 34730#(<= ULTIMATE.start_main_~k~5 27), 34731#(<= ULTIMATE.start_main_~k~5 28), 34732#(<= ULTIMATE.start_main_~k~5 29), 34733#(<= ULTIMATE.start_main_~k~5 30), 34734#(<= ULTIMATE.start_main_~k~5 31), 34735#(<= ULTIMATE.start_main_~k~5 32), 34736#(<= ULTIMATE.start_main_~k~5 33), 34737#(<= ULTIMATE.start_main_~k~5 34), 34738#(<= ULTIMATE.start_main_~k~5 35), 34739#(<= ULTIMATE.start_main_~k~5 36), 34740#(<= ULTIMATE.start_main_~k~5 37), 34741#(<= ULTIMATE.start_main_~k~5 38), 34742#(<= ULTIMATE.start_main_~k~5 39), 34743#(<= ULTIMATE.start_main_~k~5 40), 34744#(<= ULTIMATE.start_main_~k~5 41), 34745#(<= ULTIMATE.start_main_~k~5 42), 34746#(<= ULTIMATE.start_main_~k~5 43), 34747#(<= ULTIMATE.start_main_~k~5 44), 34748#(<= ULTIMATE.start_main_~k~5 45), 34749#(<= ULTIMATE.start_main_~k~5 46), 34750#(<= ULTIMATE.start_main_~k~5 47), 34751#(<= ULTIMATE.start_main_~k~5 48), 34752#(<= ULTIMATE.start_main_~k~5 49), 34753#(<= ULTIMATE.start_main_~k~5 50), 34754#(<= ULTIMATE.start_main_~k~5 51), 34755#(<= ULTIMATE.start_main_~k~5 52), 34756#(<= ULTIMATE.start_main_~k~5 53), 34757#(<= ULTIMATE.start_main_~k~5 54), 34758#(<= ULTIMATE.start_main_~k~5 55), 34759#(<= ULTIMATE.start_main_~k~5 56), 34760#(<= ULTIMATE.start_main_~k~5 57), 34761#(<= ULTIMATE.start_main_~k~5 58), 34762#(<= ULTIMATE.start_main_~k~5 59), 34763#(<= ULTIMATE.start_main_~k~5 60), 34764#(<= ULTIMATE.start_main_~k~5 61), 34765#(<= ULTIMATE.start_main_~k~5 62), 34766#(<= ULTIMATE.start_main_~k~5 63), 34767#(<= ULTIMATE.start_main_~k~5 64), 34768#(<= ULTIMATE.start_main_~k~5 65), 34769#(<= ULTIMATE.start_main_~k~5 66), 34770#(<= ULTIMATE.start_main_~k~5 67), 34771#(<= ULTIMATE.start_main_~k~5 68), 34772#(<= ULTIMATE.start_main_~k~5 69), 34773#(<= ULTIMATE.start_main_~k~5 70), 34774#(<= ULTIMATE.start_main_~k~5 71), 34775#(<= ULTIMATE.start_main_~k~5 72), 34776#(<= ULTIMATE.start_main_~k~5 73), 34777#(<= ULTIMATE.start_main_~k~5 74), 34778#(<= ULTIMATE.start_main_~k~5 75), 34779#(<= ULTIMATE.start_main_~k~5 76), 34780#(<= ULTIMATE.start_main_~k~5 77), 34781#(<= ULTIMATE.start_main_~k~5 78), 34782#(<= ULTIMATE.start_main_~k~5 79), 34783#(<= ULTIMATE.start_main_~k~5 80), 34784#(<= ULTIMATE.start_main_~k~5 81), 34785#(<= ULTIMATE.start_main_~k~5 82), 34786#(<= ULTIMATE.start_main_~k~5 83), 34787#(<= ULTIMATE.start_main_~k~5 84), 34788#(<= ULTIMATE.start_main_~k~5 85), 34789#(<= ULTIMATE.start_main_~k~5 86), 34790#(<= ULTIMATE.start_main_~k~5 87), 34791#(<= ULTIMATE.start_main_~k~5 88), 34792#(<= ULTIMATE.start_main_~k~5 89), 34793#(<= ULTIMATE.start_main_~k~5 90), 34794#(<= ULTIMATE.start_main_~k~5 91), 34795#(<= ULTIMATE.start_main_~k~5 92), 34796#(<= ULTIMATE.start_main_~k~5 93), 34797#(<= ULTIMATE.start_main_~k~5 94), 34798#(<= ULTIMATE.start_main_~k~5 95), 34799#(<= ULTIMATE.start_main_~k~5 96), 34800#(<= ULTIMATE.start_main_~k~5 97), 34801#(<= ULTIMATE.start_main_~k~5 98), 34802#(<= ULTIMATE.start_main_~k~5 99), 34803#(<= ULTIMATE.start_main_~k~5 100), 34804#(<= ULTIMATE.start_main_~k~5 101), 34805#(<= ULTIMATE.start_main_~k~5 102), 34806#(<= ULTIMATE.start_main_~k~5 103), 34807#(<= ULTIMATE.start_main_~k~5 104), 34808#(<= ULTIMATE.start_main_~k~5 105), 34809#(<= ULTIMATE.start_main_~k~5 106), 34810#(<= ULTIMATE.start_main_~k~5 107), 34811#(<= ULTIMATE.start_main_~k~5 108), 34812#(<= ULTIMATE.start_main_~k~5 109), 34813#(<= ULTIMATE.start_main_~k~5 110), 34814#(<= ULTIMATE.start_main_~k~5 111), 34815#(<= ULTIMATE.start_main_~k~5 112)] [2018-07-23 13:41:10,773 INFO L134 CoverageAnalysis]: Checked inductivity of 6441 backedges. 0 proven. 6441 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2018-07-23 13:41:10,773 INFO L450 AbstractCegarLoop]: Interpolant automaton has 116 states [2018-07-23 13:41:10,774 INFO L132 InterpolantAutomaton]: Constructing interpolant automaton starting with 116 interpolants. [2018-07-23 13:41:10,774 INFO L133 InterpolantAutomaton]: CoverageRelationStatistics Valid=6670, Invalid=6670, Unknown=0, NotChecked=0, Total=13340 [2018-07-23 13:41:10,774 INFO L87 Difference]: Start difference. First operand 117 states and 117 transitions. Second operand 116 states. [2018-07-23 13:41:10,906 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2018-07-23 13:41:10,906 INFO L93 Difference]: Finished difference Result 120 states and 120 transitions. [2018-07-23 13:41:10,906 INFO L142 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 116 states. [2018-07-23 13:41:10,906 INFO L78 Accepts]: Start accepts. Automaton has 116 states. Word has length 116 [2018-07-23 13:41:10,906 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2018-07-23 13:41:10,907 INFO L225 Difference]: With dead ends: 120 [2018-07-23 13:41:10,907 INFO L226 Difference]: Without dead ends: 118 [2018-07-23 13:41:10,908 INFO L575 BasicCegarLoop]: 0 DeclaredPredicates, 115 GetRequests, 1 SyntacticMatches, 0 SemanticMatches, 114 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 0 ImplicationChecksByTransitivity, 0.2s TimeCoverageRelationStatistics Valid=6670, Invalid=6670, Unknown=0, NotChecked=0, Total=13340 [2018-07-23 13:41:10,908 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 118 states. [2018-07-23 13:41:10,910 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 118 to 118. [2018-07-23 13:41:10,911 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 118 states. [2018-07-23 13:41:10,911 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 118 states to 118 states and 118 transitions. [2018-07-23 13:41:10,911 INFO L78 Accepts]: Start accepts. Automaton has 118 states and 118 transitions. Word has length 116 [2018-07-23 13:41:10,911 INFO L84 Accepts]: Finished accepts. word is rejected. [2018-07-23 13:41:10,911 INFO L471 AbstractCegarLoop]: Abstraction has 118 states and 118 transitions. [2018-07-23 13:41:10,911 INFO L472 AbstractCegarLoop]: Interpolant automaton has 116 states. [2018-07-23 13:41:10,912 INFO L276 IsEmpty]: Start isEmpty. Operand 118 states and 118 transitions. [2018-07-23 13:41:10,912 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 118 [2018-07-23 13:41:10,912 INFO L349 BasicCegarLoop]: Found error trace [2018-07-23 13:41:10,912 INFO L357 BasicCegarLoop]: trace histogram [114, 1, 1, 1] [2018-07-23 13:41:10,912 INFO L414 AbstractCegarLoop]: === Iteration 115 === [ULTIMATE.startErr0AssertViolationASSERT]=== [2018-07-23 13:41:10,912 INFO L82 PathProgramCache]: Analyzing trace with hash -2138479839, now seen corresponding path program 114 times [2018-07-23 13:41:10,912 INFO L69 tionRefinementEngine]: Using refinement strategy FixedRefinementStrategy [2018-07-23 13:41:10,949 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-07-23 13:41:11,308 INFO L134 CoverageAnalysis]: Checked inductivity of 6555 backedges. 0 proven. 6555 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2018-07-23 13:41:11,309 INFO L309 seRefinementStrategy]: Constructing automaton from 0 perfect and 1 imperfect interpolant sequences. [2018-07-23 13:41:11,309 INFO L324 seRefinementStrategy]: Number of different interpolants: perfect sequences [] imperfect sequences [116] total 116 [2018-07-23 13:41:11,309 INFO L142 lantAutomatonBuilder]: Constructing canonical interpolant automaton, with selfloop in false state [2018-07-23 13:41:11,309 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2018-07-23 13:41:11,310 INFO L185 omatonBuilderFactory]: Interpolants [35328#(<= ULTIMATE.start_main_~k~5 33), 35329#(<= ULTIMATE.start_main_~k~5 34), 35330#(<= ULTIMATE.start_main_~k~5 35), 35331#(<= ULTIMATE.start_main_~k~5 36), 35332#(<= ULTIMATE.start_main_~k~5 37), 35333#(<= ULTIMATE.start_main_~k~5 38), 35334#(<= ULTIMATE.start_main_~k~5 39), 35335#(<= ULTIMATE.start_main_~k~5 40), 35336#(<= ULTIMATE.start_main_~k~5 41), 35337#(<= ULTIMATE.start_main_~k~5 42), 35338#(<= ULTIMATE.start_main_~k~5 43), 35339#(<= ULTIMATE.start_main_~k~5 44), 35340#(<= ULTIMATE.start_main_~k~5 45), 35341#(<= ULTIMATE.start_main_~k~5 46), 35342#(<= ULTIMATE.start_main_~k~5 47), 35343#(<= ULTIMATE.start_main_~k~5 48), 35344#(<= ULTIMATE.start_main_~k~5 49), 35345#(<= ULTIMATE.start_main_~k~5 50), 35346#(<= ULTIMATE.start_main_~k~5 51), 35347#(<= ULTIMATE.start_main_~k~5 52), 35348#(<= ULTIMATE.start_main_~k~5 53), 35349#(<= ULTIMATE.start_main_~k~5 54), 35350#(<= ULTIMATE.start_main_~k~5 55), 35351#(<= ULTIMATE.start_main_~k~5 56), 35352#(<= ULTIMATE.start_main_~k~5 57), 35353#(<= ULTIMATE.start_main_~k~5 58), 35354#(<= ULTIMATE.start_main_~k~5 59), 35355#(<= ULTIMATE.start_main_~k~5 60), 35356#(<= ULTIMATE.start_main_~k~5 61), 35357#(<= ULTIMATE.start_main_~k~5 62), 35358#(<= ULTIMATE.start_main_~k~5 63), 35359#(<= ULTIMATE.start_main_~k~5 64), 35360#(<= ULTIMATE.start_main_~k~5 65), 35361#(<= ULTIMATE.start_main_~k~5 66), 35362#(<= ULTIMATE.start_main_~k~5 67), 35363#(<= ULTIMATE.start_main_~k~5 68), 35364#(<= ULTIMATE.start_main_~k~5 69), 35365#(<= ULTIMATE.start_main_~k~5 70), 35366#(<= ULTIMATE.start_main_~k~5 71), 35367#(<= ULTIMATE.start_main_~k~5 72), 35368#(<= ULTIMATE.start_main_~k~5 73), 35369#(<= ULTIMATE.start_main_~k~5 74), 35370#(<= ULTIMATE.start_main_~k~5 75), 35371#(<= ULTIMATE.start_main_~k~5 76), 35372#(<= ULTIMATE.start_main_~k~5 77), 35373#(<= ULTIMATE.start_main_~k~5 78), 35374#(<= ULTIMATE.start_main_~k~5 79), 35375#(<= ULTIMATE.start_main_~k~5 80), 35376#(<= ULTIMATE.start_main_~k~5 81), 35377#(<= ULTIMATE.start_main_~k~5 82), 35378#(<= ULTIMATE.start_main_~k~5 83), 35379#(<= ULTIMATE.start_main_~k~5 84), 35380#(<= ULTIMATE.start_main_~k~5 85), 35381#(<= ULTIMATE.start_main_~k~5 86), 35382#(<= ULTIMATE.start_main_~k~5 87), 35383#(<= ULTIMATE.start_main_~k~5 88), 35384#(<= ULTIMATE.start_main_~k~5 89), 35385#(<= ULTIMATE.start_main_~k~5 90), 35386#(<= ULTIMATE.start_main_~k~5 91), 35387#(<= ULTIMATE.start_main_~k~5 92), 35388#(<= ULTIMATE.start_main_~k~5 93), 35389#(<= ULTIMATE.start_main_~k~5 94), 35390#(<= ULTIMATE.start_main_~k~5 95), 35391#(<= ULTIMATE.start_main_~k~5 96), 35392#(<= ULTIMATE.start_main_~k~5 97), 35393#(<= ULTIMATE.start_main_~k~5 98), 35394#(<= ULTIMATE.start_main_~k~5 99), 35395#(<= ULTIMATE.start_main_~k~5 100), 35396#(<= ULTIMATE.start_main_~k~5 101), 35397#(<= ULTIMATE.start_main_~k~5 102), 35398#(<= ULTIMATE.start_main_~k~5 103), 35399#(<= ULTIMATE.start_main_~k~5 104), 35400#(<= ULTIMATE.start_main_~k~5 105), 35401#(<= ULTIMATE.start_main_~k~5 106), 35402#(<= ULTIMATE.start_main_~k~5 107), 35403#(<= ULTIMATE.start_main_~k~5 108), 35404#(<= ULTIMATE.start_main_~k~5 109), 35405#(<= ULTIMATE.start_main_~k~5 110), 35406#(<= ULTIMATE.start_main_~k~5 111), 35407#(<= ULTIMATE.start_main_~k~5 112), 35408#(<= ULTIMATE.start_main_~k~5 113), 35409#(<= ULTIMATE.start_main_~k~5 114), 35293#true, 35294#false, 35295#(<= ULTIMATE.start_main_~k~5 0), 35296#(<= ULTIMATE.start_main_~k~5 1), 35297#(<= ULTIMATE.start_main_~k~5 2), 35298#(<= ULTIMATE.start_main_~k~5 3), 35299#(<= ULTIMATE.start_main_~k~5 4), 35300#(<= ULTIMATE.start_main_~k~5 5), 35301#(<= ULTIMATE.start_main_~k~5 6), 35302#(<= ULTIMATE.start_main_~k~5 7), 35303#(<= ULTIMATE.start_main_~k~5 8), 35304#(<= ULTIMATE.start_main_~k~5 9), 35305#(<= ULTIMATE.start_main_~k~5 10), 35306#(<= ULTIMATE.start_main_~k~5 11), 35307#(<= ULTIMATE.start_main_~k~5 12), 35308#(<= ULTIMATE.start_main_~k~5 13), 35309#(<= ULTIMATE.start_main_~k~5 14), 35310#(<= ULTIMATE.start_main_~k~5 15), 35311#(<= ULTIMATE.start_main_~k~5 16), 35312#(<= ULTIMATE.start_main_~k~5 17), 35313#(<= ULTIMATE.start_main_~k~5 18), 35314#(<= ULTIMATE.start_main_~k~5 19), 35315#(<= ULTIMATE.start_main_~k~5 20), 35316#(<= ULTIMATE.start_main_~k~5 21), 35317#(<= ULTIMATE.start_main_~k~5 22), 35318#(<= ULTIMATE.start_main_~k~5 23), 35319#(<= ULTIMATE.start_main_~k~5 24), 35320#(<= ULTIMATE.start_main_~k~5 25), 35321#(<= ULTIMATE.start_main_~k~5 26), 35322#(<= ULTIMATE.start_main_~k~5 27), 35323#(<= ULTIMATE.start_main_~k~5 28), 35324#(<= ULTIMATE.start_main_~k~5 29), 35325#(<= ULTIMATE.start_main_~k~5 30), 35326#(<= ULTIMATE.start_main_~k~5 31), 35327#(<= ULTIMATE.start_main_~k~5 32)] [2018-07-23 13:41:11,311 INFO L134 CoverageAnalysis]: Checked inductivity of 6555 backedges. 0 proven. 6555 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2018-07-23 13:41:11,311 INFO L450 AbstractCegarLoop]: Interpolant automaton has 117 states [2018-07-23 13:41:11,312 INFO L132 InterpolantAutomaton]: Constructing interpolant automaton starting with 117 interpolants. [2018-07-23 13:41:11,313 INFO L133 InterpolantAutomaton]: CoverageRelationStatistics Valid=6786, Invalid=6786, Unknown=0, NotChecked=0, Total=13572 [2018-07-23 13:41:11,313 INFO L87 Difference]: Start difference. First operand 118 states and 118 transitions. Second operand 117 states. [2018-07-23 13:41:11,415 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2018-07-23 13:41:11,416 INFO L93 Difference]: Finished difference Result 121 states and 121 transitions. [2018-07-23 13:41:11,416 INFO L142 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 117 states. [2018-07-23 13:41:11,416 INFO L78 Accepts]: Start accepts. Automaton has 117 states. Word has length 117 [2018-07-23 13:41:11,416 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2018-07-23 13:41:11,417 INFO L225 Difference]: With dead ends: 121 [2018-07-23 13:41:11,417 INFO L226 Difference]: Without dead ends: 119 [2018-07-23 13:41:11,418 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 13:41:11,418 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 119 states. [2018-07-23 13:41:11,421 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 119 to 119. [2018-07-23 13:41:11,421 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 119 states. [2018-07-23 13:41:11,421 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 119 states to 119 states and 119 transitions. [2018-07-23 13:41:11,421 INFO L78 Accepts]: Start accepts. Automaton has 119 states and 119 transitions. Word has length 117 [2018-07-23 13:41:11,422 INFO L84 Accepts]: Finished accepts. word is rejected. [2018-07-23 13:41:11,422 INFO L471 AbstractCegarLoop]: Abstraction has 119 states and 119 transitions. [2018-07-23 13:41:11,422 INFO L472 AbstractCegarLoop]: Interpolant automaton has 117 states. [2018-07-23 13:41:11,422 INFO L276 IsEmpty]: Start isEmpty. Operand 119 states and 119 transitions. [2018-07-23 13:41:11,423 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 119 [2018-07-23 13:41:11,423 INFO L349 BasicCegarLoop]: Found error trace [2018-07-23 13:41:11,423 INFO L357 BasicCegarLoop]: trace histogram [115, 1, 1, 1] [2018-07-23 13:41:11,423 INFO L414 AbstractCegarLoop]: === Iteration 116 === [ULTIMATE.startErr0AssertViolationASSERT]=== [2018-07-23 13:41:11,423 INFO L82 PathProgramCache]: Analyzing trace with hash -1868367544, now seen corresponding path program 115 times [2018-07-23 13:41:11,423 INFO L69 tionRefinementEngine]: Using refinement strategy FixedRefinementStrategy [2018-07-23 13:41:11,453 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-07-23 13:41:11,777 INFO L134 CoverageAnalysis]: Checked inductivity of 6670 backedges. 0 proven. 6670 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2018-07-23 13:41:11,778 INFO L309 seRefinementStrategy]: Constructing automaton from 0 perfect and 1 imperfect interpolant sequences. [2018-07-23 13:41:11,778 INFO L324 seRefinementStrategy]: Number of different interpolants: perfect sequences [] imperfect sequences [117] total 117 [2018-07-23 13:41:11,778 INFO L142 lantAutomatonBuilder]: Constructing canonical interpolant automaton, with selfloop in false state [2018-07-23 13:41:11,778 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2018-07-23 13:41:11,779 INFO L185 omatonBuilderFactory]: Interpolants [35890#true, 35891#false, 35892#(<= ULTIMATE.start_main_~k~5 0), 35893#(<= ULTIMATE.start_main_~k~5 1), 35894#(<= ULTIMATE.start_main_~k~5 2), 35895#(<= ULTIMATE.start_main_~k~5 3), 35896#(<= ULTIMATE.start_main_~k~5 4), 35897#(<= ULTIMATE.start_main_~k~5 5), 35898#(<= ULTIMATE.start_main_~k~5 6), 35899#(<= ULTIMATE.start_main_~k~5 7), 35900#(<= ULTIMATE.start_main_~k~5 8), 35901#(<= ULTIMATE.start_main_~k~5 9), 35902#(<= ULTIMATE.start_main_~k~5 10), 35903#(<= ULTIMATE.start_main_~k~5 11), 35904#(<= ULTIMATE.start_main_~k~5 12), 35905#(<= ULTIMATE.start_main_~k~5 13), 35906#(<= ULTIMATE.start_main_~k~5 14), 35907#(<= ULTIMATE.start_main_~k~5 15), 35908#(<= ULTIMATE.start_main_~k~5 16), 35909#(<= ULTIMATE.start_main_~k~5 17), 35910#(<= ULTIMATE.start_main_~k~5 18), 35911#(<= ULTIMATE.start_main_~k~5 19), 35912#(<= ULTIMATE.start_main_~k~5 20), 35913#(<= ULTIMATE.start_main_~k~5 21), 35914#(<= ULTIMATE.start_main_~k~5 22), 35915#(<= ULTIMATE.start_main_~k~5 23), 35916#(<= ULTIMATE.start_main_~k~5 24), 35917#(<= ULTIMATE.start_main_~k~5 25), 35918#(<= ULTIMATE.start_main_~k~5 26), 35919#(<= ULTIMATE.start_main_~k~5 27), 35920#(<= ULTIMATE.start_main_~k~5 28), 35921#(<= ULTIMATE.start_main_~k~5 29), 35922#(<= ULTIMATE.start_main_~k~5 30), 35923#(<= ULTIMATE.start_main_~k~5 31), 35924#(<= ULTIMATE.start_main_~k~5 32), 35925#(<= ULTIMATE.start_main_~k~5 33), 35926#(<= ULTIMATE.start_main_~k~5 34), 35927#(<= ULTIMATE.start_main_~k~5 35), 35928#(<= ULTIMATE.start_main_~k~5 36), 35929#(<= ULTIMATE.start_main_~k~5 37), 35930#(<= ULTIMATE.start_main_~k~5 38), 35931#(<= ULTIMATE.start_main_~k~5 39), 35932#(<= ULTIMATE.start_main_~k~5 40), 35933#(<= ULTIMATE.start_main_~k~5 41), 35934#(<= ULTIMATE.start_main_~k~5 42), 35935#(<= ULTIMATE.start_main_~k~5 43), 35936#(<= ULTIMATE.start_main_~k~5 44), 35937#(<= ULTIMATE.start_main_~k~5 45), 35938#(<= ULTIMATE.start_main_~k~5 46), 35939#(<= ULTIMATE.start_main_~k~5 47), 35940#(<= ULTIMATE.start_main_~k~5 48), 35941#(<= ULTIMATE.start_main_~k~5 49), 35942#(<= ULTIMATE.start_main_~k~5 50), 35943#(<= ULTIMATE.start_main_~k~5 51), 35944#(<= ULTIMATE.start_main_~k~5 52), 35945#(<= ULTIMATE.start_main_~k~5 53), 35946#(<= ULTIMATE.start_main_~k~5 54), 35947#(<= ULTIMATE.start_main_~k~5 55), 35948#(<= ULTIMATE.start_main_~k~5 56), 35949#(<= ULTIMATE.start_main_~k~5 57), 35950#(<= ULTIMATE.start_main_~k~5 58), 35951#(<= ULTIMATE.start_main_~k~5 59), 35952#(<= ULTIMATE.start_main_~k~5 60), 35953#(<= ULTIMATE.start_main_~k~5 61), 35954#(<= ULTIMATE.start_main_~k~5 62), 35955#(<= ULTIMATE.start_main_~k~5 63), 35956#(<= ULTIMATE.start_main_~k~5 64), 35957#(<= ULTIMATE.start_main_~k~5 65), 35958#(<= ULTIMATE.start_main_~k~5 66), 35959#(<= ULTIMATE.start_main_~k~5 67), 35960#(<= ULTIMATE.start_main_~k~5 68), 35961#(<= ULTIMATE.start_main_~k~5 69), 35962#(<= ULTIMATE.start_main_~k~5 70), 35963#(<= ULTIMATE.start_main_~k~5 71), 35964#(<= ULTIMATE.start_main_~k~5 72), 35965#(<= ULTIMATE.start_main_~k~5 73), 35966#(<= ULTIMATE.start_main_~k~5 74), 35967#(<= ULTIMATE.start_main_~k~5 75), 35968#(<= ULTIMATE.start_main_~k~5 76), 35969#(<= ULTIMATE.start_main_~k~5 77), 35970#(<= ULTIMATE.start_main_~k~5 78), 35971#(<= ULTIMATE.start_main_~k~5 79), 35972#(<= ULTIMATE.start_main_~k~5 80), 35973#(<= ULTIMATE.start_main_~k~5 81), 35974#(<= ULTIMATE.start_main_~k~5 82), 35975#(<= ULTIMATE.start_main_~k~5 83), 35976#(<= ULTIMATE.start_main_~k~5 84), 35977#(<= ULTIMATE.start_main_~k~5 85), 35978#(<= ULTIMATE.start_main_~k~5 86), 35979#(<= ULTIMATE.start_main_~k~5 87), 35980#(<= ULTIMATE.start_main_~k~5 88), 35981#(<= ULTIMATE.start_main_~k~5 89), 35982#(<= ULTIMATE.start_main_~k~5 90), 35983#(<= ULTIMATE.start_main_~k~5 91), 35984#(<= ULTIMATE.start_main_~k~5 92), 35985#(<= ULTIMATE.start_main_~k~5 93), 35986#(<= ULTIMATE.start_main_~k~5 94), 35987#(<= ULTIMATE.start_main_~k~5 95), 35988#(<= ULTIMATE.start_main_~k~5 96), 35989#(<= ULTIMATE.start_main_~k~5 97), 35990#(<= ULTIMATE.start_main_~k~5 98), 35991#(<= ULTIMATE.start_main_~k~5 99), 35992#(<= ULTIMATE.start_main_~k~5 100), 35993#(<= ULTIMATE.start_main_~k~5 101), 35994#(<= ULTIMATE.start_main_~k~5 102), 35995#(<= ULTIMATE.start_main_~k~5 103), 35996#(<= ULTIMATE.start_main_~k~5 104), 35997#(<= ULTIMATE.start_main_~k~5 105), 35998#(<= ULTIMATE.start_main_~k~5 106), 35999#(<= ULTIMATE.start_main_~k~5 107), 36000#(<= ULTIMATE.start_main_~k~5 108), 36001#(<= ULTIMATE.start_main_~k~5 109), 36002#(<= ULTIMATE.start_main_~k~5 110), 36003#(<= ULTIMATE.start_main_~k~5 111), 36004#(<= ULTIMATE.start_main_~k~5 112), 36005#(<= ULTIMATE.start_main_~k~5 113), 36006#(<= ULTIMATE.start_main_~k~5 114), 36007#(<= ULTIMATE.start_main_~k~5 115)] [2018-07-23 13:41:11,779 INFO L134 CoverageAnalysis]: Checked inductivity of 6670 backedges. 0 proven. 6670 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2018-07-23 13:41:11,779 INFO L450 AbstractCegarLoop]: Interpolant automaton has 118 states [2018-07-23 13:41:11,780 INFO L132 InterpolantAutomaton]: Constructing interpolant automaton starting with 118 interpolants. [2018-07-23 13:41:11,781 INFO L133 InterpolantAutomaton]: CoverageRelationStatistics Valid=6903, Invalid=6903, Unknown=0, NotChecked=0, Total=13806 [2018-07-23 13:41:11,781 INFO L87 Difference]: Start difference. First operand 119 states and 119 transitions. Second operand 118 states. [2018-07-23 13:41:11,977 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2018-07-23 13:41:11,977 INFO L93 Difference]: Finished difference Result 122 states and 122 transitions. [2018-07-23 13:41:11,977 INFO L142 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 118 states. [2018-07-23 13:41:11,977 INFO L78 Accepts]: Start accepts. Automaton has 118 states. Word has length 118 [2018-07-23 13:41:11,978 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2018-07-23 13:41:11,978 INFO L225 Difference]: With dead ends: 122 [2018-07-23 13:41:11,978 INFO L226 Difference]: Without dead ends: 120 [2018-07-23 13:41:11,979 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 13:41:11,980 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 120 states. [2018-07-23 13:41:11,982 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 120 to 120. [2018-07-23 13:41:11,982 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 120 states. [2018-07-23 13:41:11,983 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 120 states to 120 states and 120 transitions. [2018-07-23 13:41:11,983 INFO L78 Accepts]: Start accepts. Automaton has 120 states and 120 transitions. Word has length 118 [2018-07-23 13:41:11,983 INFO L84 Accepts]: Finished accepts. word is rejected. [2018-07-23 13:41:11,983 INFO L471 AbstractCegarLoop]: Abstraction has 120 states and 120 transitions. [2018-07-23 13:41:11,983 INFO L472 AbstractCegarLoop]: Interpolant automaton has 118 states. [2018-07-23 13:41:11,984 INFO L276 IsEmpty]: Start isEmpty. Operand 120 states and 120 transitions. [2018-07-23 13:41:11,984 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 120 [2018-07-23 13:41:11,984 INFO L349 BasicCegarLoop]: Found error trace [2018-07-23 13:41:11,984 INFO L357 BasicCegarLoop]: trace histogram [116, 1, 1, 1] [2018-07-23 13:41:11,985 INFO L414 AbstractCegarLoop]: === Iteration 117 === [ULTIMATE.startErr0AssertViolationASSERT]=== [2018-07-23 13:41:11,985 INFO L82 PathProgramCache]: Analyzing trace with hash -2084820991, now seen corresponding path program 116 times [2018-07-23 13:41:11,985 INFO L69 tionRefinementEngine]: Using refinement strategy FixedRefinementStrategy [2018-07-23 13:41:12,032 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-07-23 13:41:12,396 INFO L134 CoverageAnalysis]: Checked inductivity of 6786 backedges. 0 proven. 6786 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2018-07-23 13:41:12,396 INFO L309 seRefinementStrategy]: Constructing automaton from 0 perfect and 1 imperfect interpolant sequences. [2018-07-23 13:41:12,397 INFO L324 seRefinementStrategy]: Number of different interpolants: perfect sequences [] imperfect sequences [118] total 118 [2018-07-23 13:41:12,397 INFO L142 lantAutomatonBuilder]: Constructing canonical interpolant automaton, with selfloop in false state [2018-07-23 13:41:12,397 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 13:41:12,397 INFO L185 omatonBuilderFactory]: Interpolants [36608#(<= ULTIMATE.start_main_~k~5 114), 36609#(<= ULTIMATE.start_main_~k~5 115), 36610#(<= ULTIMATE.start_main_~k~5 116), 36492#true, 36493#false, 36494#(<= ULTIMATE.start_main_~k~5 0), 36495#(<= ULTIMATE.start_main_~k~5 1), 36496#(<= ULTIMATE.start_main_~k~5 2), 36497#(<= ULTIMATE.start_main_~k~5 3), 36498#(<= ULTIMATE.start_main_~k~5 4), 36499#(<= ULTIMATE.start_main_~k~5 5), 36500#(<= ULTIMATE.start_main_~k~5 6), 36501#(<= ULTIMATE.start_main_~k~5 7), 36502#(<= ULTIMATE.start_main_~k~5 8), 36503#(<= ULTIMATE.start_main_~k~5 9), 36504#(<= ULTIMATE.start_main_~k~5 10), 36505#(<= ULTIMATE.start_main_~k~5 11), 36506#(<= ULTIMATE.start_main_~k~5 12), 36507#(<= ULTIMATE.start_main_~k~5 13), 36508#(<= ULTIMATE.start_main_~k~5 14), 36509#(<= ULTIMATE.start_main_~k~5 15), 36510#(<= ULTIMATE.start_main_~k~5 16), 36511#(<= ULTIMATE.start_main_~k~5 17), 36512#(<= ULTIMATE.start_main_~k~5 18), 36513#(<= ULTIMATE.start_main_~k~5 19), 36514#(<= ULTIMATE.start_main_~k~5 20), 36515#(<= ULTIMATE.start_main_~k~5 21), 36516#(<= ULTIMATE.start_main_~k~5 22), 36517#(<= ULTIMATE.start_main_~k~5 23), 36518#(<= ULTIMATE.start_main_~k~5 24), 36519#(<= ULTIMATE.start_main_~k~5 25), 36520#(<= ULTIMATE.start_main_~k~5 26), 36521#(<= ULTIMATE.start_main_~k~5 27), 36522#(<= ULTIMATE.start_main_~k~5 28), 36523#(<= ULTIMATE.start_main_~k~5 29), 36524#(<= ULTIMATE.start_main_~k~5 30), 36525#(<= ULTIMATE.start_main_~k~5 31), 36526#(<= ULTIMATE.start_main_~k~5 32), 36527#(<= ULTIMATE.start_main_~k~5 33), 36528#(<= ULTIMATE.start_main_~k~5 34), 36529#(<= ULTIMATE.start_main_~k~5 35), 36530#(<= ULTIMATE.start_main_~k~5 36), 36531#(<= ULTIMATE.start_main_~k~5 37), 36532#(<= ULTIMATE.start_main_~k~5 38), 36533#(<= ULTIMATE.start_main_~k~5 39), 36534#(<= ULTIMATE.start_main_~k~5 40), 36535#(<= ULTIMATE.start_main_~k~5 41), 36536#(<= ULTIMATE.start_main_~k~5 42), 36537#(<= ULTIMATE.start_main_~k~5 43), 36538#(<= ULTIMATE.start_main_~k~5 44), 36539#(<= ULTIMATE.start_main_~k~5 45), 36540#(<= ULTIMATE.start_main_~k~5 46), 36541#(<= ULTIMATE.start_main_~k~5 47), 36542#(<= ULTIMATE.start_main_~k~5 48), 36543#(<= ULTIMATE.start_main_~k~5 49), 36544#(<= ULTIMATE.start_main_~k~5 50), 36545#(<= ULTIMATE.start_main_~k~5 51), 36546#(<= ULTIMATE.start_main_~k~5 52), 36547#(<= ULTIMATE.start_main_~k~5 53), 36548#(<= ULTIMATE.start_main_~k~5 54), 36549#(<= ULTIMATE.start_main_~k~5 55), 36550#(<= ULTIMATE.start_main_~k~5 56), 36551#(<= ULTIMATE.start_main_~k~5 57), 36552#(<= ULTIMATE.start_main_~k~5 58), 36553#(<= ULTIMATE.start_main_~k~5 59), 36554#(<= ULTIMATE.start_main_~k~5 60), 36555#(<= ULTIMATE.start_main_~k~5 61), 36556#(<= ULTIMATE.start_main_~k~5 62), 36557#(<= ULTIMATE.start_main_~k~5 63), 36558#(<= ULTIMATE.start_main_~k~5 64), 36559#(<= ULTIMATE.start_main_~k~5 65), 36560#(<= ULTIMATE.start_main_~k~5 66), 36561#(<= ULTIMATE.start_main_~k~5 67), 36562#(<= ULTIMATE.start_main_~k~5 68), 36563#(<= ULTIMATE.start_main_~k~5 69), 36564#(<= ULTIMATE.start_main_~k~5 70), 36565#(<= ULTIMATE.start_main_~k~5 71), 36566#(<= ULTIMATE.start_main_~k~5 72), 36567#(<= ULTIMATE.start_main_~k~5 73), 36568#(<= ULTIMATE.start_main_~k~5 74), 36569#(<= ULTIMATE.start_main_~k~5 75), 36570#(<= ULTIMATE.start_main_~k~5 76), 36571#(<= ULTIMATE.start_main_~k~5 77), 36572#(<= ULTIMATE.start_main_~k~5 78), 36573#(<= ULTIMATE.start_main_~k~5 79), 36574#(<= ULTIMATE.start_main_~k~5 80), 36575#(<= ULTIMATE.start_main_~k~5 81), 36576#(<= ULTIMATE.start_main_~k~5 82), 36577#(<= ULTIMATE.start_main_~k~5 83), 36578#(<= ULTIMATE.start_main_~k~5 84), 36579#(<= ULTIMATE.start_main_~k~5 85), 36580#(<= ULTIMATE.start_main_~k~5 86), 36581#(<= ULTIMATE.start_main_~k~5 87), 36582#(<= ULTIMATE.start_main_~k~5 88), 36583#(<= ULTIMATE.start_main_~k~5 89), 36584#(<= ULTIMATE.start_main_~k~5 90), 36585#(<= ULTIMATE.start_main_~k~5 91), 36586#(<= ULTIMATE.start_main_~k~5 92), 36587#(<= ULTIMATE.start_main_~k~5 93), 36588#(<= ULTIMATE.start_main_~k~5 94), 36589#(<= ULTIMATE.start_main_~k~5 95), 36590#(<= ULTIMATE.start_main_~k~5 96), 36591#(<= ULTIMATE.start_main_~k~5 97), 36592#(<= ULTIMATE.start_main_~k~5 98), 36593#(<= ULTIMATE.start_main_~k~5 99), 36594#(<= ULTIMATE.start_main_~k~5 100), 36595#(<= ULTIMATE.start_main_~k~5 101), 36596#(<= ULTIMATE.start_main_~k~5 102), 36597#(<= ULTIMATE.start_main_~k~5 103), 36598#(<= ULTIMATE.start_main_~k~5 104), 36599#(<= ULTIMATE.start_main_~k~5 105), 36600#(<= ULTIMATE.start_main_~k~5 106), 36601#(<= ULTIMATE.start_main_~k~5 107), 36602#(<= ULTIMATE.start_main_~k~5 108), 36603#(<= ULTIMATE.start_main_~k~5 109), 36604#(<= ULTIMATE.start_main_~k~5 110), 36605#(<= ULTIMATE.start_main_~k~5 111), 36606#(<= ULTIMATE.start_main_~k~5 112), 36607#(<= ULTIMATE.start_main_~k~5 113)] [2018-07-23 13:41:12,398 INFO L134 CoverageAnalysis]: Checked inductivity of 6786 backedges. 0 proven. 6786 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2018-07-23 13:41:12,398 INFO L450 AbstractCegarLoop]: Interpolant automaton has 119 states [2018-07-23 13:41:12,399 INFO L132 InterpolantAutomaton]: Constructing interpolant automaton starting with 119 interpolants. [2018-07-23 13:41:12,400 INFO L133 InterpolantAutomaton]: CoverageRelationStatistics Valid=7021, Invalid=7021, Unknown=0, NotChecked=0, Total=14042 [2018-07-23 13:41:12,400 INFO L87 Difference]: Start difference. First operand 120 states and 120 transitions. Second operand 119 states. [2018-07-23 13:41:12,561 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2018-07-23 13:41:12,561 INFO L93 Difference]: Finished difference Result 123 states and 123 transitions. [2018-07-23 13:41:12,561 INFO L142 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 119 states. [2018-07-23 13:41:12,561 INFO L78 Accepts]: Start accepts. Automaton has 119 states. Word has length 119 [2018-07-23 13:41:12,562 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2018-07-23 13:41:12,562 INFO L225 Difference]: With dead ends: 123 [2018-07-23 13:41:12,562 INFO L226 Difference]: Without dead ends: 121 [2018-07-23 13:41:12,563 INFO L575 BasicCegarLoop]: 0 DeclaredPredicates, 118 GetRequests, 1 SyntacticMatches, 0 SemanticMatches, 117 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 0 ImplicationChecksByTransitivity, 0.2s TimeCoverageRelationStatistics Valid=7021, Invalid=7021, Unknown=0, NotChecked=0, Total=14042 [2018-07-23 13:41:12,563 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 121 states. [2018-07-23 13:41:12,565 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 121 to 121. [2018-07-23 13:41:12,565 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 121 states. [2018-07-23 13:41:12,566 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 121 states to 121 states and 121 transitions. [2018-07-23 13:41:12,566 INFO L78 Accepts]: Start accepts. Automaton has 121 states and 121 transitions. Word has length 119 [2018-07-23 13:41:12,566 INFO L84 Accepts]: Finished accepts. word is rejected. [2018-07-23 13:41:12,566 INFO L471 AbstractCegarLoop]: Abstraction has 121 states and 121 transitions. [2018-07-23 13:41:12,566 INFO L472 AbstractCegarLoop]: Interpolant automaton has 119 states. [2018-07-23 13:41:12,566 INFO L276 IsEmpty]: Start isEmpty. Operand 121 states and 121 transitions. [2018-07-23 13:41:12,567 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 121 [2018-07-23 13:41:12,567 INFO L349 BasicCegarLoop]: Found error trace [2018-07-23 13:41:12,567 INFO L357 BasicCegarLoop]: trace histogram [117, 1, 1, 1] [2018-07-23 13:41:12,567 INFO L414 AbstractCegarLoop]: === Iteration 118 === [ULTIMATE.startErr0AssertViolationASSERT]=== [2018-07-23 13:41:12,568 INFO L82 PathProgramCache]: Analyzing trace with hash -204943256, now seen corresponding path program 117 times [2018-07-23 13:41:12,568 INFO L69 tionRefinementEngine]: Using refinement strategy FixedRefinementStrategy [2018-07-23 13:41:12,615 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-07-23 13:41:13,079 INFO L134 CoverageAnalysis]: Checked inductivity of 6903 backedges. 0 proven. 6903 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2018-07-23 13:41:13,079 INFO L309 seRefinementStrategy]: Constructing automaton from 0 perfect and 1 imperfect interpolant sequences. [2018-07-23 13:41:13,080 INFO L324 seRefinementStrategy]: Number of different interpolants: perfect sequences [] imperfect sequences [119] total 119 [2018-07-23 13:41:13,080 INFO L142 lantAutomatonBuilder]: Constructing canonical interpolant automaton, with selfloop in false state [2018-07-23 13:41:13,080 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 13:41:13,080 INFO L185 omatonBuilderFactory]: Interpolants [37120#(<= ULTIMATE.start_main_~k~5 19), 37121#(<= ULTIMATE.start_main_~k~5 20), 37122#(<= ULTIMATE.start_main_~k~5 21), 37123#(<= ULTIMATE.start_main_~k~5 22), 37124#(<= ULTIMATE.start_main_~k~5 23), 37125#(<= ULTIMATE.start_main_~k~5 24), 37126#(<= ULTIMATE.start_main_~k~5 25), 37127#(<= ULTIMATE.start_main_~k~5 26), 37128#(<= ULTIMATE.start_main_~k~5 27), 37129#(<= ULTIMATE.start_main_~k~5 28), 37130#(<= ULTIMATE.start_main_~k~5 29), 37131#(<= ULTIMATE.start_main_~k~5 30), 37132#(<= ULTIMATE.start_main_~k~5 31), 37133#(<= ULTIMATE.start_main_~k~5 32), 37134#(<= ULTIMATE.start_main_~k~5 33), 37135#(<= ULTIMATE.start_main_~k~5 34), 37136#(<= ULTIMATE.start_main_~k~5 35), 37137#(<= ULTIMATE.start_main_~k~5 36), 37138#(<= ULTIMATE.start_main_~k~5 37), 37139#(<= ULTIMATE.start_main_~k~5 38), 37140#(<= ULTIMATE.start_main_~k~5 39), 37141#(<= ULTIMATE.start_main_~k~5 40), 37142#(<= ULTIMATE.start_main_~k~5 41), 37143#(<= ULTIMATE.start_main_~k~5 42), 37144#(<= ULTIMATE.start_main_~k~5 43), 37145#(<= ULTIMATE.start_main_~k~5 44), 37146#(<= ULTIMATE.start_main_~k~5 45), 37147#(<= ULTIMATE.start_main_~k~5 46), 37148#(<= ULTIMATE.start_main_~k~5 47), 37149#(<= ULTIMATE.start_main_~k~5 48), 37150#(<= ULTIMATE.start_main_~k~5 49), 37151#(<= ULTIMATE.start_main_~k~5 50), 37152#(<= ULTIMATE.start_main_~k~5 51), 37153#(<= ULTIMATE.start_main_~k~5 52), 37154#(<= ULTIMATE.start_main_~k~5 53), 37155#(<= ULTIMATE.start_main_~k~5 54), 37156#(<= ULTIMATE.start_main_~k~5 55), 37157#(<= ULTIMATE.start_main_~k~5 56), 37158#(<= ULTIMATE.start_main_~k~5 57), 37159#(<= ULTIMATE.start_main_~k~5 58), 37160#(<= ULTIMATE.start_main_~k~5 59), 37161#(<= ULTIMATE.start_main_~k~5 60), 37162#(<= ULTIMATE.start_main_~k~5 61), 37163#(<= ULTIMATE.start_main_~k~5 62), 37164#(<= ULTIMATE.start_main_~k~5 63), 37165#(<= ULTIMATE.start_main_~k~5 64), 37166#(<= ULTIMATE.start_main_~k~5 65), 37167#(<= ULTIMATE.start_main_~k~5 66), 37168#(<= ULTIMATE.start_main_~k~5 67), 37169#(<= ULTIMATE.start_main_~k~5 68), 37170#(<= ULTIMATE.start_main_~k~5 69), 37171#(<= ULTIMATE.start_main_~k~5 70), 37172#(<= ULTIMATE.start_main_~k~5 71), 37173#(<= ULTIMATE.start_main_~k~5 72), 37174#(<= ULTIMATE.start_main_~k~5 73), 37175#(<= ULTIMATE.start_main_~k~5 74), 37176#(<= ULTIMATE.start_main_~k~5 75), 37177#(<= ULTIMATE.start_main_~k~5 76), 37178#(<= ULTIMATE.start_main_~k~5 77), 37179#(<= ULTIMATE.start_main_~k~5 78), 37180#(<= ULTIMATE.start_main_~k~5 79), 37181#(<= ULTIMATE.start_main_~k~5 80), 37182#(<= ULTIMATE.start_main_~k~5 81), 37183#(<= ULTIMATE.start_main_~k~5 82), 37184#(<= ULTIMATE.start_main_~k~5 83), 37185#(<= ULTIMATE.start_main_~k~5 84), 37186#(<= ULTIMATE.start_main_~k~5 85), 37187#(<= ULTIMATE.start_main_~k~5 86), 37188#(<= ULTIMATE.start_main_~k~5 87), 37189#(<= ULTIMATE.start_main_~k~5 88), 37190#(<= ULTIMATE.start_main_~k~5 89), 37191#(<= ULTIMATE.start_main_~k~5 90), 37192#(<= ULTIMATE.start_main_~k~5 91), 37193#(<= ULTIMATE.start_main_~k~5 92), 37194#(<= ULTIMATE.start_main_~k~5 93), 37195#(<= ULTIMATE.start_main_~k~5 94), 37196#(<= ULTIMATE.start_main_~k~5 95), 37197#(<= ULTIMATE.start_main_~k~5 96), 37198#(<= ULTIMATE.start_main_~k~5 97), 37199#(<= ULTIMATE.start_main_~k~5 98), 37200#(<= ULTIMATE.start_main_~k~5 99), 37201#(<= ULTIMATE.start_main_~k~5 100), 37202#(<= ULTIMATE.start_main_~k~5 101), 37203#(<= ULTIMATE.start_main_~k~5 102), 37204#(<= ULTIMATE.start_main_~k~5 103), 37205#(<= ULTIMATE.start_main_~k~5 104), 37206#(<= ULTIMATE.start_main_~k~5 105), 37207#(<= ULTIMATE.start_main_~k~5 106), 37208#(<= ULTIMATE.start_main_~k~5 107), 37209#(<= ULTIMATE.start_main_~k~5 108), 37210#(<= ULTIMATE.start_main_~k~5 109), 37211#(<= ULTIMATE.start_main_~k~5 110), 37212#(<= ULTIMATE.start_main_~k~5 111), 37213#(<= ULTIMATE.start_main_~k~5 112), 37214#(<= ULTIMATE.start_main_~k~5 113), 37215#(<= ULTIMATE.start_main_~k~5 114), 37216#(<= ULTIMATE.start_main_~k~5 115), 37217#(<= ULTIMATE.start_main_~k~5 116), 37218#(<= ULTIMATE.start_main_~k~5 117), 37099#true, 37100#false, 37101#(<= ULTIMATE.start_main_~k~5 0), 37102#(<= ULTIMATE.start_main_~k~5 1), 37103#(<= ULTIMATE.start_main_~k~5 2), 37104#(<= ULTIMATE.start_main_~k~5 3), 37105#(<= ULTIMATE.start_main_~k~5 4), 37106#(<= ULTIMATE.start_main_~k~5 5), 37107#(<= ULTIMATE.start_main_~k~5 6), 37108#(<= ULTIMATE.start_main_~k~5 7), 37109#(<= ULTIMATE.start_main_~k~5 8), 37110#(<= ULTIMATE.start_main_~k~5 9), 37111#(<= ULTIMATE.start_main_~k~5 10), 37112#(<= ULTIMATE.start_main_~k~5 11), 37113#(<= ULTIMATE.start_main_~k~5 12), 37114#(<= ULTIMATE.start_main_~k~5 13), 37115#(<= ULTIMATE.start_main_~k~5 14), 37116#(<= ULTIMATE.start_main_~k~5 15), 37117#(<= ULTIMATE.start_main_~k~5 16), 37118#(<= ULTIMATE.start_main_~k~5 17), 37119#(<= ULTIMATE.start_main_~k~5 18)] [2018-07-23 13:41:13,080 INFO L134 CoverageAnalysis]: Checked inductivity of 6903 backedges. 0 proven. 6903 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2018-07-23 13:41:13,081 INFO L450 AbstractCegarLoop]: Interpolant automaton has 120 states [2018-07-23 13:41:13,082 INFO L132 InterpolantAutomaton]: Constructing interpolant automaton starting with 120 interpolants. [2018-07-23 13:41:13,082 INFO L133 InterpolantAutomaton]: CoverageRelationStatistics Valid=7140, Invalid=7140, Unknown=0, NotChecked=0, Total=14280 [2018-07-23 13:41:13,082 INFO L87 Difference]: Start difference. First operand 121 states and 121 transitions. Second operand 120 states. [2018-07-23 13:41:13,201 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2018-07-23 13:41:13,201 INFO L93 Difference]: Finished difference Result 124 states and 124 transitions. [2018-07-23 13:41:13,201 INFO L142 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 120 states. [2018-07-23 13:41:13,201 INFO L78 Accepts]: Start accepts. Automaton has 120 states. Word has length 120 [2018-07-23 13:41:13,202 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2018-07-23 13:41:13,202 INFO L225 Difference]: With dead ends: 124 [2018-07-23 13:41:13,202 INFO L226 Difference]: Without dead ends: 122 [2018-07-23 13:41:13,203 INFO L575 BasicCegarLoop]: 0 DeclaredPredicates, 119 GetRequests, 1 SyntacticMatches, 0 SemanticMatches, 118 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 0 ImplicationChecksByTransitivity, 0.4s TimeCoverageRelationStatistics Valid=7140, Invalid=7140, Unknown=0, NotChecked=0, Total=14280 [2018-07-23 13:41:13,203 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 122 states. [2018-07-23 13:41:13,205 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 122 to 122. [2018-07-23 13:41:13,205 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 122 states. [2018-07-23 13:41:13,205 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 122 states to 122 states and 122 transitions. [2018-07-23 13:41:13,205 INFO L78 Accepts]: Start accepts. Automaton has 122 states and 122 transitions. Word has length 120 [2018-07-23 13:41:13,205 INFO L84 Accepts]: Finished accepts. word is rejected. [2018-07-23 13:41:13,205 INFO L471 AbstractCegarLoop]: Abstraction has 122 states and 122 transitions. [2018-07-23 13:41:13,205 INFO L472 AbstractCegarLoop]: Interpolant automaton has 120 states. [2018-07-23 13:41:13,205 INFO L276 IsEmpty]: Start isEmpty. Operand 122 states and 122 transitions. [2018-07-23 13:41:13,206 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 122 [2018-07-23 13:41:13,206 INFO L349 BasicCegarLoop]: Found error trace [2018-07-23 13:41:13,206 INFO L357 BasicCegarLoop]: trace histogram [118, 1, 1, 1] [2018-07-23 13:41:13,206 INFO L414 AbstractCegarLoop]: === Iteration 119 === [ULTIMATE.startErr0AssertViolationASSERT]=== [2018-07-23 13:41:13,207 INFO L82 PathProgramCache]: Analyzing trace with hash -2058275615, now seen corresponding path program 118 times [2018-07-23 13:41:13,207 INFO L69 tionRefinementEngine]: Using refinement strategy FixedRefinementStrategy [2018-07-23 13:41:13,233 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-07-23 13:41:13,560 INFO L134 CoverageAnalysis]: Checked inductivity of 7021 backedges. 0 proven. 7021 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2018-07-23 13:41:13,560 INFO L309 seRefinementStrategy]: Constructing automaton from 0 perfect and 1 imperfect interpolant sequences. [2018-07-23 13:41:13,560 INFO L324 seRefinementStrategy]: Number of different interpolants: perfect sequences [] imperfect sequences [120] total 120 [2018-07-23 13:41:13,560 INFO L142 lantAutomatonBuilder]: Constructing canonical interpolant automaton, with selfloop in false state [2018-07-23 13:41:13,561 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2018-07-23 13:41:13,561 INFO L185 omatonBuilderFactory]: Interpolants [37711#true, 37712#false, 37713#(<= ULTIMATE.start_main_~k~5 0), 37714#(<= ULTIMATE.start_main_~k~5 1), 37715#(<= ULTIMATE.start_main_~k~5 2), 37716#(<= ULTIMATE.start_main_~k~5 3), 37717#(<= ULTIMATE.start_main_~k~5 4), 37718#(<= ULTIMATE.start_main_~k~5 5), 37719#(<= ULTIMATE.start_main_~k~5 6), 37720#(<= ULTIMATE.start_main_~k~5 7), 37721#(<= ULTIMATE.start_main_~k~5 8), 37722#(<= ULTIMATE.start_main_~k~5 9), 37723#(<= ULTIMATE.start_main_~k~5 10), 37724#(<= ULTIMATE.start_main_~k~5 11), 37725#(<= ULTIMATE.start_main_~k~5 12), 37726#(<= ULTIMATE.start_main_~k~5 13), 37727#(<= ULTIMATE.start_main_~k~5 14), 37728#(<= ULTIMATE.start_main_~k~5 15), 37729#(<= ULTIMATE.start_main_~k~5 16), 37730#(<= ULTIMATE.start_main_~k~5 17), 37731#(<= ULTIMATE.start_main_~k~5 18), 37732#(<= ULTIMATE.start_main_~k~5 19), 37733#(<= ULTIMATE.start_main_~k~5 20), 37734#(<= ULTIMATE.start_main_~k~5 21), 37735#(<= ULTIMATE.start_main_~k~5 22), 37736#(<= ULTIMATE.start_main_~k~5 23), 37737#(<= ULTIMATE.start_main_~k~5 24), 37738#(<= ULTIMATE.start_main_~k~5 25), 37739#(<= ULTIMATE.start_main_~k~5 26), 37740#(<= ULTIMATE.start_main_~k~5 27), 37741#(<= ULTIMATE.start_main_~k~5 28), 37742#(<= ULTIMATE.start_main_~k~5 29), 37743#(<= ULTIMATE.start_main_~k~5 30), 37744#(<= ULTIMATE.start_main_~k~5 31), 37745#(<= ULTIMATE.start_main_~k~5 32), 37746#(<= ULTIMATE.start_main_~k~5 33), 37747#(<= ULTIMATE.start_main_~k~5 34), 37748#(<= ULTIMATE.start_main_~k~5 35), 37749#(<= ULTIMATE.start_main_~k~5 36), 37750#(<= ULTIMATE.start_main_~k~5 37), 37751#(<= ULTIMATE.start_main_~k~5 38), 37752#(<= ULTIMATE.start_main_~k~5 39), 37753#(<= ULTIMATE.start_main_~k~5 40), 37754#(<= ULTIMATE.start_main_~k~5 41), 37755#(<= ULTIMATE.start_main_~k~5 42), 37756#(<= ULTIMATE.start_main_~k~5 43), 37757#(<= ULTIMATE.start_main_~k~5 44), 37758#(<= ULTIMATE.start_main_~k~5 45), 37759#(<= ULTIMATE.start_main_~k~5 46), 37760#(<= ULTIMATE.start_main_~k~5 47), 37761#(<= ULTIMATE.start_main_~k~5 48), 37762#(<= ULTIMATE.start_main_~k~5 49), 37763#(<= ULTIMATE.start_main_~k~5 50), 37764#(<= ULTIMATE.start_main_~k~5 51), 37765#(<= ULTIMATE.start_main_~k~5 52), 37766#(<= ULTIMATE.start_main_~k~5 53), 37767#(<= ULTIMATE.start_main_~k~5 54), 37768#(<= ULTIMATE.start_main_~k~5 55), 37769#(<= ULTIMATE.start_main_~k~5 56), 37770#(<= ULTIMATE.start_main_~k~5 57), 37771#(<= ULTIMATE.start_main_~k~5 58), 37772#(<= ULTIMATE.start_main_~k~5 59), 37773#(<= ULTIMATE.start_main_~k~5 60), 37774#(<= ULTIMATE.start_main_~k~5 61), 37775#(<= ULTIMATE.start_main_~k~5 62), 37776#(<= ULTIMATE.start_main_~k~5 63), 37777#(<= ULTIMATE.start_main_~k~5 64), 37778#(<= ULTIMATE.start_main_~k~5 65), 37779#(<= ULTIMATE.start_main_~k~5 66), 37780#(<= ULTIMATE.start_main_~k~5 67), 37781#(<= ULTIMATE.start_main_~k~5 68), 37782#(<= ULTIMATE.start_main_~k~5 69), 37783#(<= ULTIMATE.start_main_~k~5 70), 37784#(<= ULTIMATE.start_main_~k~5 71), 37785#(<= ULTIMATE.start_main_~k~5 72), 37786#(<= ULTIMATE.start_main_~k~5 73), 37787#(<= ULTIMATE.start_main_~k~5 74), 37788#(<= ULTIMATE.start_main_~k~5 75), 37789#(<= ULTIMATE.start_main_~k~5 76), 37790#(<= ULTIMATE.start_main_~k~5 77), 37791#(<= ULTIMATE.start_main_~k~5 78), 37792#(<= ULTIMATE.start_main_~k~5 79), 37793#(<= ULTIMATE.start_main_~k~5 80), 37794#(<= ULTIMATE.start_main_~k~5 81), 37795#(<= ULTIMATE.start_main_~k~5 82), 37796#(<= ULTIMATE.start_main_~k~5 83), 37797#(<= ULTIMATE.start_main_~k~5 84), 37798#(<= ULTIMATE.start_main_~k~5 85), 37799#(<= ULTIMATE.start_main_~k~5 86), 37800#(<= ULTIMATE.start_main_~k~5 87), 37801#(<= ULTIMATE.start_main_~k~5 88), 37802#(<= ULTIMATE.start_main_~k~5 89), 37803#(<= ULTIMATE.start_main_~k~5 90), 37804#(<= ULTIMATE.start_main_~k~5 91), 37805#(<= ULTIMATE.start_main_~k~5 92), 37806#(<= ULTIMATE.start_main_~k~5 93), 37807#(<= ULTIMATE.start_main_~k~5 94), 37808#(<= ULTIMATE.start_main_~k~5 95), 37809#(<= ULTIMATE.start_main_~k~5 96), 37810#(<= ULTIMATE.start_main_~k~5 97), 37811#(<= ULTIMATE.start_main_~k~5 98), 37812#(<= ULTIMATE.start_main_~k~5 99), 37813#(<= ULTIMATE.start_main_~k~5 100), 37814#(<= ULTIMATE.start_main_~k~5 101), 37815#(<= ULTIMATE.start_main_~k~5 102), 37816#(<= ULTIMATE.start_main_~k~5 103), 37817#(<= ULTIMATE.start_main_~k~5 104), 37818#(<= ULTIMATE.start_main_~k~5 105), 37819#(<= ULTIMATE.start_main_~k~5 106), 37820#(<= ULTIMATE.start_main_~k~5 107), 37821#(<= ULTIMATE.start_main_~k~5 108), 37822#(<= ULTIMATE.start_main_~k~5 109), 37823#(<= ULTIMATE.start_main_~k~5 110), 37824#(<= ULTIMATE.start_main_~k~5 111), 37825#(<= ULTIMATE.start_main_~k~5 112), 37826#(<= ULTIMATE.start_main_~k~5 113), 37827#(<= ULTIMATE.start_main_~k~5 114), 37828#(<= ULTIMATE.start_main_~k~5 115), 37829#(<= ULTIMATE.start_main_~k~5 116), 37830#(<= ULTIMATE.start_main_~k~5 117), 37831#(<= ULTIMATE.start_main_~k~5 118)] [2018-07-23 13:41:13,561 INFO L134 CoverageAnalysis]: Checked inductivity of 7021 backedges. 0 proven. 7021 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2018-07-23 13:41:13,562 INFO L450 AbstractCegarLoop]: Interpolant automaton has 121 states [2018-07-23 13:41:13,563 INFO L132 InterpolantAutomaton]: Constructing interpolant automaton starting with 121 interpolants. [2018-07-23 13:41:13,563 INFO L133 InterpolantAutomaton]: CoverageRelationStatistics Valid=7260, Invalid=7260, Unknown=0, NotChecked=0, Total=14520 [2018-07-23 13:41:13,564 INFO L87 Difference]: Start difference. First operand 122 states and 122 transitions. Second operand 121 states. [2018-07-23 13:41:13,682 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2018-07-23 13:41:13,682 INFO L93 Difference]: Finished difference Result 125 states and 125 transitions. [2018-07-23 13:41:13,682 INFO L142 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 121 states. [2018-07-23 13:41:13,682 INFO L78 Accepts]: Start accepts. Automaton has 121 states. Word has length 121 [2018-07-23 13:41:13,683 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2018-07-23 13:41:13,683 INFO L225 Difference]: With dead ends: 125 [2018-07-23 13:41:13,683 INFO L226 Difference]: Without dead ends: 123 [2018-07-23 13:41:13,684 INFO L575 BasicCegarLoop]: 0 DeclaredPredicates, 120 GetRequests, 1 SyntacticMatches, 0 SemanticMatches, 119 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 0 ImplicationChecksByTransitivity, 0.2s TimeCoverageRelationStatistics Valid=7260, Invalid=7260, Unknown=0, NotChecked=0, Total=14520 [2018-07-23 13:41:13,684 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 123 states. [2018-07-23 13:41:13,687 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 123 to 123. [2018-07-23 13:41:13,687 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 123 states. [2018-07-23 13:41:13,687 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 123 states to 123 states and 123 transitions. [2018-07-23 13:41:13,688 INFO L78 Accepts]: Start accepts. Automaton has 123 states and 123 transitions. Word has length 121 [2018-07-23 13:41:13,688 INFO L84 Accepts]: Finished accepts. word is rejected. [2018-07-23 13:41:13,688 INFO L471 AbstractCegarLoop]: Abstraction has 123 states and 123 transitions. [2018-07-23 13:41:13,688 INFO L472 AbstractCegarLoop]: Interpolant automaton has 121 states. [2018-07-23 13:41:13,688 INFO L276 IsEmpty]: Start isEmpty. Operand 123 states and 123 transitions. [2018-07-23 13:41:13,689 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 123 [2018-07-23 13:41:13,689 INFO L349 BasicCegarLoop]: Found error trace [2018-07-23 13:41:13,689 INFO L357 BasicCegarLoop]: trace histogram [119, 1, 1, 1] [2018-07-23 13:41:13,689 INFO L414 AbstractCegarLoop]: === Iteration 120 === [ULTIMATE.startErr0AssertViolationASSERT]=== [2018-07-23 13:41:13,689 INFO L82 PathProgramCache]: Analyzing trace with hash 617963400, now seen corresponding path program 119 times [2018-07-23 13:41:13,689 INFO L69 tionRefinementEngine]: Using refinement strategy FixedRefinementStrategy [2018-07-23 13:41:13,736 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-07-23 13:41:14,341 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 13:41:14,342 INFO L309 seRefinementStrategy]: Constructing automaton from 0 perfect and 1 imperfect interpolant sequences. [2018-07-23 13:41:14,342 INFO L324 seRefinementStrategy]: Number of different interpolants: perfect sequences [] imperfect sequences [121] total 121 [2018-07-23 13:41:14,342 INFO L142 lantAutomatonBuilder]: Constructing canonical interpolant automaton, with selfloop in false state [2018-07-23 13:41:14,342 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 13:41:14,343 INFO L185 omatonBuilderFactory]: Interpolants [38400#(<= ULTIMATE.start_main_~k~5 70), 38401#(<= ULTIMATE.start_main_~k~5 71), 38402#(<= ULTIMATE.start_main_~k~5 72), 38403#(<= ULTIMATE.start_main_~k~5 73), 38404#(<= ULTIMATE.start_main_~k~5 74), 38405#(<= ULTIMATE.start_main_~k~5 75), 38406#(<= ULTIMATE.start_main_~k~5 76), 38407#(<= ULTIMATE.start_main_~k~5 77), 38408#(<= ULTIMATE.start_main_~k~5 78), 38409#(<= ULTIMATE.start_main_~k~5 79), 38410#(<= ULTIMATE.start_main_~k~5 80), 38411#(<= ULTIMATE.start_main_~k~5 81), 38412#(<= ULTIMATE.start_main_~k~5 82), 38413#(<= ULTIMATE.start_main_~k~5 83), 38414#(<= ULTIMATE.start_main_~k~5 84), 38415#(<= ULTIMATE.start_main_~k~5 85), 38416#(<= ULTIMATE.start_main_~k~5 86), 38417#(<= ULTIMATE.start_main_~k~5 87), 38418#(<= ULTIMATE.start_main_~k~5 88), 38419#(<= ULTIMATE.start_main_~k~5 89), 38420#(<= ULTIMATE.start_main_~k~5 90), 38421#(<= ULTIMATE.start_main_~k~5 91), 38422#(<= ULTIMATE.start_main_~k~5 92), 38423#(<= ULTIMATE.start_main_~k~5 93), 38424#(<= ULTIMATE.start_main_~k~5 94), 38425#(<= ULTIMATE.start_main_~k~5 95), 38426#(<= ULTIMATE.start_main_~k~5 96), 38427#(<= ULTIMATE.start_main_~k~5 97), 38428#(<= ULTIMATE.start_main_~k~5 98), 38429#(<= ULTIMATE.start_main_~k~5 99), 38430#(<= ULTIMATE.start_main_~k~5 100), 38431#(<= ULTIMATE.start_main_~k~5 101), 38432#(<= ULTIMATE.start_main_~k~5 102), 38433#(<= ULTIMATE.start_main_~k~5 103), 38434#(<= ULTIMATE.start_main_~k~5 104), 38435#(<= ULTIMATE.start_main_~k~5 105), 38436#(<= ULTIMATE.start_main_~k~5 106), 38437#(<= ULTIMATE.start_main_~k~5 107), 38438#(<= ULTIMATE.start_main_~k~5 108), 38439#(<= ULTIMATE.start_main_~k~5 109), 38440#(<= ULTIMATE.start_main_~k~5 110), 38441#(<= ULTIMATE.start_main_~k~5 111), 38442#(<= ULTIMATE.start_main_~k~5 112), 38443#(<= ULTIMATE.start_main_~k~5 113), 38444#(<= ULTIMATE.start_main_~k~5 114), 38445#(<= ULTIMATE.start_main_~k~5 115), 38446#(<= ULTIMATE.start_main_~k~5 116), 38447#(<= ULTIMATE.start_main_~k~5 117), 38448#(<= ULTIMATE.start_main_~k~5 118), 38449#(<= ULTIMATE.start_main_~k~5 119), 38328#true, 38329#false, 38330#(<= ULTIMATE.start_main_~k~5 0), 38331#(<= ULTIMATE.start_main_~k~5 1), 38332#(<= ULTIMATE.start_main_~k~5 2), 38333#(<= ULTIMATE.start_main_~k~5 3), 38334#(<= ULTIMATE.start_main_~k~5 4), 38335#(<= ULTIMATE.start_main_~k~5 5), 38336#(<= ULTIMATE.start_main_~k~5 6), 38337#(<= ULTIMATE.start_main_~k~5 7), 38338#(<= ULTIMATE.start_main_~k~5 8), 38339#(<= ULTIMATE.start_main_~k~5 9), 38340#(<= ULTIMATE.start_main_~k~5 10), 38341#(<= ULTIMATE.start_main_~k~5 11), 38342#(<= ULTIMATE.start_main_~k~5 12), 38343#(<= ULTIMATE.start_main_~k~5 13), 38344#(<= ULTIMATE.start_main_~k~5 14), 38345#(<= ULTIMATE.start_main_~k~5 15), 38346#(<= ULTIMATE.start_main_~k~5 16), 38347#(<= ULTIMATE.start_main_~k~5 17), 38348#(<= ULTIMATE.start_main_~k~5 18), 38349#(<= ULTIMATE.start_main_~k~5 19), 38350#(<= ULTIMATE.start_main_~k~5 20), 38351#(<= ULTIMATE.start_main_~k~5 21), 38352#(<= ULTIMATE.start_main_~k~5 22), 38353#(<= ULTIMATE.start_main_~k~5 23), 38354#(<= ULTIMATE.start_main_~k~5 24), 38355#(<= ULTIMATE.start_main_~k~5 25), 38356#(<= ULTIMATE.start_main_~k~5 26), 38357#(<= ULTIMATE.start_main_~k~5 27), 38358#(<= ULTIMATE.start_main_~k~5 28), 38359#(<= ULTIMATE.start_main_~k~5 29), 38360#(<= ULTIMATE.start_main_~k~5 30), 38361#(<= ULTIMATE.start_main_~k~5 31), 38362#(<= ULTIMATE.start_main_~k~5 32), 38363#(<= ULTIMATE.start_main_~k~5 33), 38364#(<= ULTIMATE.start_main_~k~5 34), 38365#(<= ULTIMATE.start_main_~k~5 35), 38366#(<= ULTIMATE.start_main_~k~5 36), 38367#(<= ULTIMATE.start_main_~k~5 37), 38368#(<= ULTIMATE.start_main_~k~5 38), 38369#(<= ULTIMATE.start_main_~k~5 39), 38370#(<= ULTIMATE.start_main_~k~5 40), 38371#(<= ULTIMATE.start_main_~k~5 41), 38372#(<= ULTIMATE.start_main_~k~5 42), 38373#(<= ULTIMATE.start_main_~k~5 43), 38374#(<= ULTIMATE.start_main_~k~5 44), 38375#(<= ULTIMATE.start_main_~k~5 45), 38376#(<= ULTIMATE.start_main_~k~5 46), 38377#(<= ULTIMATE.start_main_~k~5 47), 38378#(<= ULTIMATE.start_main_~k~5 48), 38379#(<= ULTIMATE.start_main_~k~5 49), 38380#(<= ULTIMATE.start_main_~k~5 50), 38381#(<= ULTIMATE.start_main_~k~5 51), 38382#(<= ULTIMATE.start_main_~k~5 52), 38383#(<= ULTIMATE.start_main_~k~5 53), 38384#(<= ULTIMATE.start_main_~k~5 54), 38385#(<= ULTIMATE.start_main_~k~5 55), 38386#(<= ULTIMATE.start_main_~k~5 56), 38387#(<= ULTIMATE.start_main_~k~5 57), 38388#(<= ULTIMATE.start_main_~k~5 58), 38389#(<= ULTIMATE.start_main_~k~5 59), 38390#(<= ULTIMATE.start_main_~k~5 60), 38391#(<= ULTIMATE.start_main_~k~5 61), 38392#(<= ULTIMATE.start_main_~k~5 62), 38393#(<= ULTIMATE.start_main_~k~5 63), 38394#(<= ULTIMATE.start_main_~k~5 64), 38395#(<= ULTIMATE.start_main_~k~5 65), 38396#(<= ULTIMATE.start_main_~k~5 66), 38397#(<= ULTIMATE.start_main_~k~5 67), 38398#(<= ULTIMATE.start_main_~k~5 68), 38399#(<= ULTIMATE.start_main_~k~5 69)] [2018-07-23 13:41:14,344 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 13:41:14,344 INFO L450 AbstractCegarLoop]: Interpolant automaton has 122 states [2018-07-23 13:41:14,345 INFO L132 InterpolantAutomaton]: Constructing interpolant automaton starting with 122 interpolants. [2018-07-23 13:41:14,346 INFO L133 InterpolantAutomaton]: CoverageRelationStatistics Valid=7381, Invalid=7381, Unknown=0, NotChecked=0, Total=14762 [2018-07-23 13:41:14,346 INFO L87 Difference]: Start difference. First operand 123 states and 123 transitions. Second operand 122 states. [2018-07-23 13:41:14,461 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2018-07-23 13:41:14,461 INFO L93 Difference]: Finished difference Result 126 states and 126 transitions. [2018-07-23 13:41:14,461 INFO L142 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 122 states. [2018-07-23 13:41:14,462 INFO L78 Accepts]: Start accepts. Automaton has 122 states. Word has length 122 [2018-07-23 13:41:14,462 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2018-07-23 13:41:14,462 INFO L225 Difference]: With dead ends: 126 [2018-07-23 13:41:14,463 INFO L226 Difference]: Without dead ends: 124 [2018-07-23 13:41:14,464 INFO L575 BasicCegarLoop]: 0 DeclaredPredicates, 121 GetRequests, 1 SyntacticMatches, 0 SemanticMatches, 120 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 0 ImplicationChecksByTransitivity, 0.5s TimeCoverageRelationStatistics Valid=7381, Invalid=7381, Unknown=0, NotChecked=0, Total=14762 [2018-07-23 13:41:14,464 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 124 states. [2018-07-23 13:41:14,467 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 124 to 124. [2018-07-23 13:41:14,467 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 124 states. [2018-07-23 13:41:14,468 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 124 states to 124 states and 124 transitions. [2018-07-23 13:41:14,468 INFO L78 Accepts]: Start accepts. Automaton has 124 states and 124 transitions. Word has length 122 [2018-07-23 13:41:14,468 INFO L84 Accepts]: Finished accepts. word is rejected. [2018-07-23 13:41:14,468 INFO L471 AbstractCegarLoop]: Abstraction has 124 states and 124 transitions. [2018-07-23 13:41:14,469 INFO L472 AbstractCegarLoop]: Interpolant automaton has 122 states. [2018-07-23 13:41:14,469 INFO L276 IsEmpty]: Start isEmpty. Operand 124 states and 124 transitions. [2018-07-23 13:41:14,469 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 124 [2018-07-23 13:41:14,469 INFO L349 BasicCegarLoop]: Found error trace [2018-07-23 13:41:14,469 INFO L357 BasicCegarLoop]: trace histogram [120, 1, 1, 1] [2018-07-23 13:41:14,470 INFO L414 AbstractCegarLoop]: === Iteration 121 === [ULTIMATE.startErr0AssertViolationASSERT]=== [2018-07-23 13:41:14,470 INFO L82 PathProgramCache]: Analyzing trace with hash 1976994241, now seen corresponding path program 120 times [2018-07-23 13:41:14,470 INFO L69 tionRefinementEngine]: Using refinement strategy FixedRefinementStrategy [2018-07-23 13:41:14,520 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-07-23 13:41:14,885 INFO L134 CoverageAnalysis]: Checked inductivity of 7260 backedges. 0 proven. 7260 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2018-07-23 13:41:14,885 INFO L309 seRefinementStrategy]: Constructing automaton from 0 perfect and 1 imperfect interpolant sequences. [2018-07-23 13:41:14,886 INFO L324 seRefinementStrategy]: Number of different interpolants: perfect sequences [] imperfect sequences [122] total 122 [2018-07-23 13:41:14,886 INFO L142 lantAutomatonBuilder]: Constructing canonical interpolant automaton, with selfloop in false state [2018-07-23 13:41:14,886 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2018-07-23 13:41:14,886 INFO L185 omatonBuilderFactory]: Interpolants [38950#true, 38951#false, 38952#(<= ULTIMATE.start_main_~k~5 0), 38953#(<= ULTIMATE.start_main_~k~5 1), 38954#(<= ULTIMATE.start_main_~k~5 2), 38955#(<= ULTIMATE.start_main_~k~5 3), 38956#(<= ULTIMATE.start_main_~k~5 4), 38957#(<= ULTIMATE.start_main_~k~5 5), 38958#(<= ULTIMATE.start_main_~k~5 6), 38959#(<= ULTIMATE.start_main_~k~5 7), 38960#(<= ULTIMATE.start_main_~k~5 8), 38961#(<= ULTIMATE.start_main_~k~5 9), 38962#(<= ULTIMATE.start_main_~k~5 10), 38963#(<= ULTIMATE.start_main_~k~5 11), 38964#(<= ULTIMATE.start_main_~k~5 12), 38965#(<= ULTIMATE.start_main_~k~5 13), 38966#(<= ULTIMATE.start_main_~k~5 14), 38967#(<= ULTIMATE.start_main_~k~5 15), 38968#(<= ULTIMATE.start_main_~k~5 16), 38969#(<= ULTIMATE.start_main_~k~5 17), 38970#(<= ULTIMATE.start_main_~k~5 18), 38971#(<= ULTIMATE.start_main_~k~5 19), 38972#(<= ULTIMATE.start_main_~k~5 20), 38973#(<= ULTIMATE.start_main_~k~5 21), 38974#(<= ULTIMATE.start_main_~k~5 22), 38975#(<= ULTIMATE.start_main_~k~5 23), 38976#(<= ULTIMATE.start_main_~k~5 24), 38977#(<= ULTIMATE.start_main_~k~5 25), 38978#(<= ULTIMATE.start_main_~k~5 26), 38979#(<= ULTIMATE.start_main_~k~5 27), 38980#(<= ULTIMATE.start_main_~k~5 28), 38981#(<= ULTIMATE.start_main_~k~5 29), 38982#(<= ULTIMATE.start_main_~k~5 30), 38983#(<= ULTIMATE.start_main_~k~5 31), 38984#(<= ULTIMATE.start_main_~k~5 32), 38985#(<= ULTIMATE.start_main_~k~5 33), 38986#(<= ULTIMATE.start_main_~k~5 34), 38987#(<= ULTIMATE.start_main_~k~5 35), 38988#(<= ULTIMATE.start_main_~k~5 36), 38989#(<= ULTIMATE.start_main_~k~5 37), 38990#(<= ULTIMATE.start_main_~k~5 38), 38991#(<= ULTIMATE.start_main_~k~5 39), 38992#(<= ULTIMATE.start_main_~k~5 40), 38993#(<= ULTIMATE.start_main_~k~5 41), 38994#(<= ULTIMATE.start_main_~k~5 42), 38995#(<= ULTIMATE.start_main_~k~5 43), 38996#(<= ULTIMATE.start_main_~k~5 44), 38997#(<= ULTIMATE.start_main_~k~5 45), 38998#(<= ULTIMATE.start_main_~k~5 46), 38999#(<= ULTIMATE.start_main_~k~5 47), 39000#(<= ULTIMATE.start_main_~k~5 48), 39001#(<= ULTIMATE.start_main_~k~5 49), 39002#(<= ULTIMATE.start_main_~k~5 50), 39003#(<= ULTIMATE.start_main_~k~5 51), 39004#(<= ULTIMATE.start_main_~k~5 52), 39005#(<= ULTIMATE.start_main_~k~5 53), 39006#(<= ULTIMATE.start_main_~k~5 54), 39007#(<= ULTIMATE.start_main_~k~5 55), 39008#(<= ULTIMATE.start_main_~k~5 56), 39009#(<= ULTIMATE.start_main_~k~5 57), 39010#(<= ULTIMATE.start_main_~k~5 58), 39011#(<= ULTIMATE.start_main_~k~5 59), 39012#(<= ULTIMATE.start_main_~k~5 60), 39013#(<= ULTIMATE.start_main_~k~5 61), 39014#(<= ULTIMATE.start_main_~k~5 62), 39015#(<= ULTIMATE.start_main_~k~5 63), 39016#(<= ULTIMATE.start_main_~k~5 64), 39017#(<= ULTIMATE.start_main_~k~5 65), 39018#(<= ULTIMATE.start_main_~k~5 66), 39019#(<= ULTIMATE.start_main_~k~5 67), 39020#(<= ULTIMATE.start_main_~k~5 68), 39021#(<= ULTIMATE.start_main_~k~5 69), 39022#(<= ULTIMATE.start_main_~k~5 70), 39023#(<= ULTIMATE.start_main_~k~5 71), 39024#(<= ULTIMATE.start_main_~k~5 72), 39025#(<= ULTIMATE.start_main_~k~5 73), 39026#(<= ULTIMATE.start_main_~k~5 74), 39027#(<= ULTIMATE.start_main_~k~5 75), 39028#(<= ULTIMATE.start_main_~k~5 76), 39029#(<= ULTIMATE.start_main_~k~5 77), 39030#(<= ULTIMATE.start_main_~k~5 78), 39031#(<= ULTIMATE.start_main_~k~5 79), 39032#(<= ULTIMATE.start_main_~k~5 80), 39033#(<= ULTIMATE.start_main_~k~5 81), 39034#(<= ULTIMATE.start_main_~k~5 82), 39035#(<= ULTIMATE.start_main_~k~5 83), 39036#(<= ULTIMATE.start_main_~k~5 84), 39037#(<= ULTIMATE.start_main_~k~5 85), 39038#(<= ULTIMATE.start_main_~k~5 86), 39039#(<= ULTIMATE.start_main_~k~5 87), 39040#(<= ULTIMATE.start_main_~k~5 88), 39041#(<= ULTIMATE.start_main_~k~5 89), 39042#(<= ULTIMATE.start_main_~k~5 90), 39043#(<= ULTIMATE.start_main_~k~5 91), 39044#(<= ULTIMATE.start_main_~k~5 92), 39045#(<= ULTIMATE.start_main_~k~5 93), 39046#(<= ULTIMATE.start_main_~k~5 94), 39047#(<= ULTIMATE.start_main_~k~5 95), 39048#(<= ULTIMATE.start_main_~k~5 96), 39049#(<= ULTIMATE.start_main_~k~5 97), 39050#(<= ULTIMATE.start_main_~k~5 98), 39051#(<= ULTIMATE.start_main_~k~5 99), 39052#(<= ULTIMATE.start_main_~k~5 100), 39053#(<= ULTIMATE.start_main_~k~5 101), 39054#(<= ULTIMATE.start_main_~k~5 102), 39055#(<= ULTIMATE.start_main_~k~5 103), 39056#(<= ULTIMATE.start_main_~k~5 104), 39057#(<= ULTIMATE.start_main_~k~5 105), 39058#(<= ULTIMATE.start_main_~k~5 106), 39059#(<= ULTIMATE.start_main_~k~5 107), 39060#(<= ULTIMATE.start_main_~k~5 108), 39061#(<= ULTIMATE.start_main_~k~5 109), 39062#(<= ULTIMATE.start_main_~k~5 110), 39063#(<= ULTIMATE.start_main_~k~5 111), 39064#(<= ULTIMATE.start_main_~k~5 112), 39065#(<= ULTIMATE.start_main_~k~5 113), 39066#(<= ULTIMATE.start_main_~k~5 114), 39067#(<= ULTIMATE.start_main_~k~5 115), 39068#(<= ULTIMATE.start_main_~k~5 116), 39069#(<= ULTIMATE.start_main_~k~5 117), 39070#(<= ULTIMATE.start_main_~k~5 118), 39071#(<= ULTIMATE.start_main_~k~5 119), 39072#(<= ULTIMATE.start_main_~k~5 120)] [2018-07-23 13:41:14,887 INFO L134 CoverageAnalysis]: Checked inductivity of 7260 backedges. 0 proven. 7260 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2018-07-23 13:41:14,887 INFO L450 AbstractCegarLoop]: Interpolant automaton has 123 states [2018-07-23 13:41:14,888 INFO L132 InterpolantAutomaton]: Constructing interpolant automaton starting with 123 interpolants. [2018-07-23 13:41:14,888 INFO L133 InterpolantAutomaton]: CoverageRelationStatistics Valid=7503, Invalid=7503, Unknown=0, NotChecked=0, Total=15006 [2018-07-23 13:41:14,888 INFO L87 Difference]: Start difference. First operand 124 states and 124 transitions. Second operand 123 states. [2018-07-23 13:41:15,038 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2018-07-23 13:41:15,038 INFO L93 Difference]: Finished difference Result 127 states and 127 transitions. [2018-07-23 13:41:15,038 INFO L142 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 123 states. [2018-07-23 13:41:15,038 INFO L78 Accepts]: Start accepts. Automaton has 123 states. Word has length 123 [2018-07-23 13:41:15,039 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2018-07-23 13:41:15,039 INFO L225 Difference]: With dead ends: 127 [2018-07-23 13:41:15,039 INFO L226 Difference]: Without dead ends: 125 [2018-07-23 13:41:15,040 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 13:41:15,040 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 125 states. [2018-07-23 13:41:15,042 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 125 to 125. [2018-07-23 13:41:15,043 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 125 states. [2018-07-23 13:41:15,043 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 125 states to 125 states and 125 transitions. [2018-07-23 13:41:15,043 INFO L78 Accepts]: Start accepts. Automaton has 125 states and 125 transitions. Word has length 123 [2018-07-23 13:41:15,044 INFO L84 Accepts]: Finished accepts. word is rejected. [2018-07-23 13:41:15,044 INFO L471 AbstractCegarLoop]: Abstraction has 125 states and 125 transitions. [2018-07-23 13:41:15,044 INFO L472 AbstractCegarLoop]: Interpolant automaton has 123 states. [2018-07-23 13:41:15,044 INFO L276 IsEmpty]: Start isEmpty. Operand 125 states and 125 transitions. [2018-07-23 13:41:15,044 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 125 [2018-07-23 13:41:15,044 INFO L349 BasicCegarLoop]: Found error trace [2018-07-23 13:41:15,045 INFO L357 BasicCegarLoop]: trace histogram [121, 1, 1, 1] [2018-07-23 13:41:15,045 INFO L414 AbstractCegarLoop]: === Iteration 122 === [ULTIMATE.startErr0AssertViolationASSERT]=== [2018-07-23 13:41:15,045 INFO L82 PathProgramCache]: Analyzing trace with hash 1157277352, now seen corresponding path program 121 times [2018-07-23 13:41:15,045 INFO L69 tionRefinementEngine]: Using refinement strategy FixedRefinementStrategy [2018-07-23 13:41:15,085 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-07-23 13:41:15,440 INFO L134 CoverageAnalysis]: Checked inductivity of 7381 backedges. 0 proven. 7381 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2018-07-23 13:41:15,441 INFO L309 seRefinementStrategy]: Constructing automaton from 0 perfect and 1 imperfect interpolant sequences. [2018-07-23 13:41:15,441 INFO L324 seRefinementStrategy]: Number of different interpolants: perfect sequences [] imperfect sequences [123] total 123 [2018-07-23 13:41:15,441 INFO L142 lantAutomatonBuilder]: Constructing canonical interpolant automaton, with selfloop in false state [2018-07-23 13:41:15,441 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2018-07-23 13:41:15,441 INFO L185 omatonBuilderFactory]: Interpolants [39680#(<= ULTIMATE.start_main_~k~5 101), 39681#(<= ULTIMATE.start_main_~k~5 102), 39682#(<= ULTIMATE.start_main_~k~5 103), 39683#(<= ULTIMATE.start_main_~k~5 104), 39684#(<= ULTIMATE.start_main_~k~5 105), 39685#(<= ULTIMATE.start_main_~k~5 106), 39686#(<= ULTIMATE.start_main_~k~5 107), 39687#(<= ULTIMATE.start_main_~k~5 108), 39688#(<= ULTIMATE.start_main_~k~5 109), 39689#(<= ULTIMATE.start_main_~k~5 110), 39690#(<= ULTIMATE.start_main_~k~5 111), 39691#(<= ULTIMATE.start_main_~k~5 112), 39692#(<= ULTIMATE.start_main_~k~5 113), 39693#(<= ULTIMATE.start_main_~k~5 114), 39694#(<= ULTIMATE.start_main_~k~5 115), 39695#(<= ULTIMATE.start_main_~k~5 116), 39696#(<= ULTIMATE.start_main_~k~5 117), 39697#(<= ULTIMATE.start_main_~k~5 118), 39698#(<= ULTIMATE.start_main_~k~5 119), 39699#(<= ULTIMATE.start_main_~k~5 120), 39700#(<= ULTIMATE.start_main_~k~5 121), 39577#true, 39578#false, 39579#(<= ULTIMATE.start_main_~k~5 0), 39580#(<= ULTIMATE.start_main_~k~5 1), 39581#(<= ULTIMATE.start_main_~k~5 2), 39582#(<= ULTIMATE.start_main_~k~5 3), 39583#(<= ULTIMATE.start_main_~k~5 4), 39584#(<= ULTIMATE.start_main_~k~5 5), 39585#(<= ULTIMATE.start_main_~k~5 6), 39586#(<= ULTIMATE.start_main_~k~5 7), 39587#(<= ULTIMATE.start_main_~k~5 8), 39588#(<= ULTIMATE.start_main_~k~5 9), 39589#(<= ULTIMATE.start_main_~k~5 10), 39590#(<= ULTIMATE.start_main_~k~5 11), 39591#(<= ULTIMATE.start_main_~k~5 12), 39592#(<= ULTIMATE.start_main_~k~5 13), 39593#(<= ULTIMATE.start_main_~k~5 14), 39594#(<= ULTIMATE.start_main_~k~5 15), 39595#(<= ULTIMATE.start_main_~k~5 16), 39596#(<= ULTIMATE.start_main_~k~5 17), 39597#(<= ULTIMATE.start_main_~k~5 18), 39598#(<= ULTIMATE.start_main_~k~5 19), 39599#(<= ULTIMATE.start_main_~k~5 20), 39600#(<= ULTIMATE.start_main_~k~5 21), 39601#(<= ULTIMATE.start_main_~k~5 22), 39602#(<= ULTIMATE.start_main_~k~5 23), 39603#(<= ULTIMATE.start_main_~k~5 24), 39604#(<= ULTIMATE.start_main_~k~5 25), 39605#(<= ULTIMATE.start_main_~k~5 26), 39606#(<= ULTIMATE.start_main_~k~5 27), 39607#(<= ULTIMATE.start_main_~k~5 28), 39608#(<= ULTIMATE.start_main_~k~5 29), 39609#(<= ULTIMATE.start_main_~k~5 30), 39610#(<= ULTIMATE.start_main_~k~5 31), 39611#(<= ULTIMATE.start_main_~k~5 32), 39612#(<= ULTIMATE.start_main_~k~5 33), 39613#(<= ULTIMATE.start_main_~k~5 34), 39614#(<= ULTIMATE.start_main_~k~5 35), 39615#(<= ULTIMATE.start_main_~k~5 36), 39616#(<= ULTIMATE.start_main_~k~5 37), 39617#(<= ULTIMATE.start_main_~k~5 38), 39618#(<= ULTIMATE.start_main_~k~5 39), 39619#(<= ULTIMATE.start_main_~k~5 40), 39620#(<= ULTIMATE.start_main_~k~5 41), 39621#(<= ULTIMATE.start_main_~k~5 42), 39622#(<= ULTIMATE.start_main_~k~5 43), 39623#(<= ULTIMATE.start_main_~k~5 44), 39624#(<= ULTIMATE.start_main_~k~5 45), 39625#(<= ULTIMATE.start_main_~k~5 46), 39626#(<= ULTIMATE.start_main_~k~5 47), 39627#(<= ULTIMATE.start_main_~k~5 48), 39628#(<= ULTIMATE.start_main_~k~5 49), 39629#(<= ULTIMATE.start_main_~k~5 50), 39630#(<= ULTIMATE.start_main_~k~5 51), 39631#(<= ULTIMATE.start_main_~k~5 52), 39632#(<= ULTIMATE.start_main_~k~5 53), 39633#(<= ULTIMATE.start_main_~k~5 54), 39634#(<= ULTIMATE.start_main_~k~5 55), 39635#(<= ULTIMATE.start_main_~k~5 56), 39636#(<= ULTIMATE.start_main_~k~5 57), 39637#(<= ULTIMATE.start_main_~k~5 58), 39638#(<= ULTIMATE.start_main_~k~5 59), 39639#(<= ULTIMATE.start_main_~k~5 60), 39640#(<= ULTIMATE.start_main_~k~5 61), 39641#(<= ULTIMATE.start_main_~k~5 62), 39642#(<= ULTIMATE.start_main_~k~5 63), 39643#(<= ULTIMATE.start_main_~k~5 64), 39644#(<= ULTIMATE.start_main_~k~5 65), 39645#(<= ULTIMATE.start_main_~k~5 66), 39646#(<= ULTIMATE.start_main_~k~5 67), 39647#(<= ULTIMATE.start_main_~k~5 68), 39648#(<= ULTIMATE.start_main_~k~5 69), 39649#(<= ULTIMATE.start_main_~k~5 70), 39650#(<= ULTIMATE.start_main_~k~5 71), 39651#(<= ULTIMATE.start_main_~k~5 72), 39652#(<= ULTIMATE.start_main_~k~5 73), 39653#(<= ULTIMATE.start_main_~k~5 74), 39654#(<= ULTIMATE.start_main_~k~5 75), 39655#(<= ULTIMATE.start_main_~k~5 76), 39656#(<= ULTIMATE.start_main_~k~5 77), 39657#(<= ULTIMATE.start_main_~k~5 78), 39658#(<= ULTIMATE.start_main_~k~5 79), 39659#(<= ULTIMATE.start_main_~k~5 80), 39660#(<= ULTIMATE.start_main_~k~5 81), 39661#(<= ULTIMATE.start_main_~k~5 82), 39662#(<= ULTIMATE.start_main_~k~5 83), 39663#(<= ULTIMATE.start_main_~k~5 84), 39664#(<= ULTIMATE.start_main_~k~5 85), 39665#(<= ULTIMATE.start_main_~k~5 86), 39666#(<= ULTIMATE.start_main_~k~5 87), 39667#(<= ULTIMATE.start_main_~k~5 88), 39668#(<= ULTIMATE.start_main_~k~5 89), 39669#(<= ULTIMATE.start_main_~k~5 90), 39670#(<= ULTIMATE.start_main_~k~5 91), 39671#(<= ULTIMATE.start_main_~k~5 92), 39672#(<= ULTIMATE.start_main_~k~5 93), 39673#(<= ULTIMATE.start_main_~k~5 94), 39674#(<= ULTIMATE.start_main_~k~5 95), 39675#(<= ULTIMATE.start_main_~k~5 96), 39676#(<= ULTIMATE.start_main_~k~5 97), 39677#(<= ULTIMATE.start_main_~k~5 98), 39678#(<= ULTIMATE.start_main_~k~5 99), 39679#(<= ULTIMATE.start_main_~k~5 100)] [2018-07-23 13:41:15,442 INFO L134 CoverageAnalysis]: Checked inductivity of 7381 backedges. 0 proven. 7381 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2018-07-23 13:41:15,442 INFO L450 AbstractCegarLoop]: Interpolant automaton has 124 states [2018-07-23 13:41:15,443 INFO L132 InterpolantAutomaton]: Constructing interpolant automaton starting with 124 interpolants. [2018-07-23 13:41:15,443 INFO L133 InterpolantAutomaton]: CoverageRelationStatistics Valid=7626, Invalid=7626, Unknown=0, NotChecked=0, Total=15252 [2018-07-23 13:41:15,443 INFO L87 Difference]: Start difference. First operand 125 states and 125 transitions. Second operand 124 states. [2018-07-23 13:41:15,590 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2018-07-23 13:41:15,590 INFO L93 Difference]: Finished difference Result 128 states and 128 transitions. [2018-07-23 13:41:15,590 INFO L142 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 124 states. [2018-07-23 13:41:15,591 INFO L78 Accepts]: Start accepts. Automaton has 124 states. Word has length 124 [2018-07-23 13:41:15,591 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2018-07-23 13:41:15,591 INFO L225 Difference]: With dead ends: 128 [2018-07-23 13:41:15,591 INFO L226 Difference]: Without dead ends: 126 [2018-07-23 13:41:15,593 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 13:41:15,593 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 126 states. [2018-07-23 13:41:15,595 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 126 to 126. [2018-07-23 13:41:15,596 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 126 states. [2018-07-23 13:41:15,596 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 126 states to 126 states and 126 transitions. [2018-07-23 13:41:15,596 INFO L78 Accepts]: Start accepts. Automaton has 126 states and 126 transitions. Word has length 124 [2018-07-23 13:41:15,597 INFO L84 Accepts]: Finished accepts. word is rejected. [2018-07-23 13:41:15,597 INFO L471 AbstractCegarLoop]: Abstraction has 126 states and 126 transitions. [2018-07-23 13:41:15,597 INFO L472 AbstractCegarLoop]: Interpolant automaton has 124 states. [2018-07-23 13:41:15,597 INFO L276 IsEmpty]: Start isEmpty. Operand 126 states and 126 transitions. [2018-07-23 13:41:15,597 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 126 [2018-07-23 13:41:15,598 INFO L349 BasicCegarLoop]: Found error trace [2018-07-23 13:41:15,598 INFO L357 BasicCegarLoop]: trace histogram [122, 1, 1, 1] [2018-07-23 13:41:15,598 INFO L414 AbstractCegarLoop]: === Iteration 123 === [ULTIMATE.startErr0AssertViolationASSERT]=== [2018-07-23 13:41:15,598 INFO L82 PathProgramCache]: Analyzing trace with hash 1515857569, now seen corresponding path program 122 times [2018-07-23 13:41:15,598 INFO L69 tionRefinementEngine]: Using refinement strategy FixedRefinementStrategy [2018-07-23 13:41:15,652 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-07-23 13:41:16,212 INFO L134 CoverageAnalysis]: Checked inductivity of 7503 backedges. 0 proven. 7503 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2018-07-23 13:41:16,213 INFO L309 seRefinementStrategy]: Constructing automaton from 0 perfect and 1 imperfect interpolant sequences. [2018-07-23 13:41:16,213 INFO L324 seRefinementStrategy]: Number of different interpolants: perfect sequences [] imperfect sequences [124] total 124 [2018-07-23 13:41:16,213 INFO L142 lantAutomatonBuilder]: Constructing canonical interpolant automaton, with selfloop in false state [2018-07-23 13:41:16,213 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2018-07-23 13:41:16,214 INFO L185 omatonBuilderFactory]: Interpolants [40209#true, 40210#false, 40211#(<= ULTIMATE.start_main_~k~5 0), 40212#(<= ULTIMATE.start_main_~k~5 1), 40213#(<= ULTIMATE.start_main_~k~5 2), 40214#(<= ULTIMATE.start_main_~k~5 3), 40215#(<= ULTIMATE.start_main_~k~5 4), 40216#(<= ULTIMATE.start_main_~k~5 5), 40217#(<= ULTIMATE.start_main_~k~5 6), 40218#(<= ULTIMATE.start_main_~k~5 7), 40219#(<= ULTIMATE.start_main_~k~5 8), 40220#(<= ULTIMATE.start_main_~k~5 9), 40221#(<= ULTIMATE.start_main_~k~5 10), 40222#(<= ULTIMATE.start_main_~k~5 11), 40223#(<= ULTIMATE.start_main_~k~5 12), 40224#(<= ULTIMATE.start_main_~k~5 13), 40225#(<= ULTIMATE.start_main_~k~5 14), 40226#(<= ULTIMATE.start_main_~k~5 15), 40227#(<= ULTIMATE.start_main_~k~5 16), 40228#(<= ULTIMATE.start_main_~k~5 17), 40229#(<= ULTIMATE.start_main_~k~5 18), 40230#(<= ULTIMATE.start_main_~k~5 19), 40231#(<= ULTIMATE.start_main_~k~5 20), 40232#(<= ULTIMATE.start_main_~k~5 21), 40233#(<= ULTIMATE.start_main_~k~5 22), 40234#(<= ULTIMATE.start_main_~k~5 23), 40235#(<= ULTIMATE.start_main_~k~5 24), 40236#(<= ULTIMATE.start_main_~k~5 25), 40237#(<= ULTIMATE.start_main_~k~5 26), 40238#(<= ULTIMATE.start_main_~k~5 27), 40239#(<= ULTIMATE.start_main_~k~5 28), 40240#(<= ULTIMATE.start_main_~k~5 29), 40241#(<= ULTIMATE.start_main_~k~5 30), 40242#(<= ULTIMATE.start_main_~k~5 31), 40243#(<= ULTIMATE.start_main_~k~5 32), 40244#(<= ULTIMATE.start_main_~k~5 33), 40245#(<= ULTIMATE.start_main_~k~5 34), 40246#(<= ULTIMATE.start_main_~k~5 35), 40247#(<= ULTIMATE.start_main_~k~5 36), 40248#(<= ULTIMATE.start_main_~k~5 37), 40249#(<= ULTIMATE.start_main_~k~5 38), 40250#(<= ULTIMATE.start_main_~k~5 39), 40251#(<= ULTIMATE.start_main_~k~5 40), 40252#(<= ULTIMATE.start_main_~k~5 41), 40253#(<= ULTIMATE.start_main_~k~5 42), 40254#(<= ULTIMATE.start_main_~k~5 43), 40255#(<= ULTIMATE.start_main_~k~5 44), 40256#(<= ULTIMATE.start_main_~k~5 45), 40257#(<= ULTIMATE.start_main_~k~5 46), 40258#(<= ULTIMATE.start_main_~k~5 47), 40259#(<= ULTIMATE.start_main_~k~5 48), 40260#(<= ULTIMATE.start_main_~k~5 49), 40261#(<= ULTIMATE.start_main_~k~5 50), 40262#(<= ULTIMATE.start_main_~k~5 51), 40263#(<= ULTIMATE.start_main_~k~5 52), 40264#(<= ULTIMATE.start_main_~k~5 53), 40265#(<= ULTIMATE.start_main_~k~5 54), 40266#(<= ULTIMATE.start_main_~k~5 55), 40267#(<= ULTIMATE.start_main_~k~5 56), 40268#(<= ULTIMATE.start_main_~k~5 57), 40269#(<= ULTIMATE.start_main_~k~5 58), 40270#(<= ULTIMATE.start_main_~k~5 59), 40271#(<= ULTIMATE.start_main_~k~5 60), 40272#(<= ULTIMATE.start_main_~k~5 61), 40273#(<= ULTIMATE.start_main_~k~5 62), 40274#(<= ULTIMATE.start_main_~k~5 63), 40275#(<= ULTIMATE.start_main_~k~5 64), 40276#(<= ULTIMATE.start_main_~k~5 65), 40277#(<= ULTIMATE.start_main_~k~5 66), 40278#(<= ULTIMATE.start_main_~k~5 67), 40279#(<= ULTIMATE.start_main_~k~5 68), 40280#(<= ULTIMATE.start_main_~k~5 69), 40281#(<= ULTIMATE.start_main_~k~5 70), 40282#(<= ULTIMATE.start_main_~k~5 71), 40283#(<= ULTIMATE.start_main_~k~5 72), 40284#(<= ULTIMATE.start_main_~k~5 73), 40285#(<= ULTIMATE.start_main_~k~5 74), 40286#(<= ULTIMATE.start_main_~k~5 75), 40287#(<= ULTIMATE.start_main_~k~5 76), 40288#(<= ULTIMATE.start_main_~k~5 77), 40289#(<= ULTIMATE.start_main_~k~5 78), 40290#(<= ULTIMATE.start_main_~k~5 79), 40291#(<= ULTIMATE.start_main_~k~5 80), 40292#(<= ULTIMATE.start_main_~k~5 81), 40293#(<= ULTIMATE.start_main_~k~5 82), 40294#(<= ULTIMATE.start_main_~k~5 83), 40295#(<= ULTIMATE.start_main_~k~5 84), 40296#(<= ULTIMATE.start_main_~k~5 85), 40297#(<= ULTIMATE.start_main_~k~5 86), 40298#(<= ULTIMATE.start_main_~k~5 87), 40299#(<= ULTIMATE.start_main_~k~5 88), 40300#(<= ULTIMATE.start_main_~k~5 89), 40301#(<= ULTIMATE.start_main_~k~5 90), 40302#(<= ULTIMATE.start_main_~k~5 91), 40303#(<= ULTIMATE.start_main_~k~5 92), 40304#(<= ULTIMATE.start_main_~k~5 93), 40305#(<= ULTIMATE.start_main_~k~5 94), 40306#(<= ULTIMATE.start_main_~k~5 95), 40307#(<= ULTIMATE.start_main_~k~5 96), 40308#(<= ULTIMATE.start_main_~k~5 97), 40309#(<= ULTIMATE.start_main_~k~5 98), 40310#(<= ULTIMATE.start_main_~k~5 99), 40311#(<= ULTIMATE.start_main_~k~5 100), 40312#(<= ULTIMATE.start_main_~k~5 101), 40313#(<= ULTIMATE.start_main_~k~5 102), 40314#(<= ULTIMATE.start_main_~k~5 103), 40315#(<= ULTIMATE.start_main_~k~5 104), 40316#(<= ULTIMATE.start_main_~k~5 105), 40317#(<= ULTIMATE.start_main_~k~5 106), 40318#(<= ULTIMATE.start_main_~k~5 107), 40319#(<= ULTIMATE.start_main_~k~5 108), 40320#(<= ULTIMATE.start_main_~k~5 109), 40321#(<= ULTIMATE.start_main_~k~5 110), 40322#(<= ULTIMATE.start_main_~k~5 111), 40323#(<= ULTIMATE.start_main_~k~5 112), 40324#(<= ULTIMATE.start_main_~k~5 113), 40325#(<= ULTIMATE.start_main_~k~5 114), 40326#(<= ULTIMATE.start_main_~k~5 115), 40327#(<= ULTIMATE.start_main_~k~5 116), 40328#(<= ULTIMATE.start_main_~k~5 117), 40329#(<= ULTIMATE.start_main_~k~5 118), 40330#(<= ULTIMATE.start_main_~k~5 119), 40331#(<= ULTIMATE.start_main_~k~5 120), 40332#(<= ULTIMATE.start_main_~k~5 121), 40333#(<= ULTIMATE.start_main_~k~5 122)] [2018-07-23 13:41:16,214 INFO L134 CoverageAnalysis]: Checked inductivity of 7503 backedges. 0 proven. 7503 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2018-07-23 13:41:16,214 INFO L450 AbstractCegarLoop]: Interpolant automaton has 125 states [2018-07-23 13:41:16,216 INFO L132 InterpolantAutomaton]: Constructing interpolant automaton starting with 125 interpolants. [2018-07-23 13:41:16,216 INFO L133 InterpolantAutomaton]: CoverageRelationStatistics Valid=7750, Invalid=7750, Unknown=0, NotChecked=0, Total=15500 [2018-07-23 13:41:16,217 INFO L87 Difference]: Start difference. First operand 126 states and 126 transitions. Second operand 125 states. [2018-07-23 13:41:16,421 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2018-07-23 13:41:16,421 INFO L93 Difference]: Finished difference Result 129 states and 129 transitions. [2018-07-23 13:41:16,422 INFO L142 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 125 states. [2018-07-23 13:41:16,422 INFO L78 Accepts]: Start accepts. Automaton has 125 states. Word has length 125 [2018-07-23 13:41:16,422 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2018-07-23 13:41:16,422 INFO L225 Difference]: With dead ends: 129 [2018-07-23 13:41:16,422 INFO L226 Difference]: Without dead ends: 127 [2018-07-23 13:41:16,424 INFO L575 BasicCegarLoop]: 0 DeclaredPredicates, 124 GetRequests, 1 SyntacticMatches, 0 SemanticMatches, 123 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 0 ImplicationChecksByTransitivity, 0.4s TimeCoverageRelationStatistics Valid=7750, Invalid=7750, Unknown=0, NotChecked=0, Total=15500 [2018-07-23 13:41:16,424 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 127 states. [2018-07-23 13:41:16,427 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 127 to 127. [2018-07-23 13:41:16,427 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 127 states. [2018-07-23 13:41:16,427 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 127 states to 127 states and 127 transitions. [2018-07-23 13:41:16,427 INFO L78 Accepts]: Start accepts. Automaton has 127 states and 127 transitions. Word has length 125 [2018-07-23 13:41:16,428 INFO L84 Accepts]: Finished accepts. word is rejected. [2018-07-23 13:41:16,428 INFO L471 AbstractCegarLoop]: Abstraction has 127 states and 127 transitions. [2018-07-23 13:41:16,428 INFO L472 AbstractCegarLoop]: Interpolant automaton has 125 states. [2018-07-23 13:41:16,428 INFO L276 IsEmpty]: Start isEmpty. Operand 127 states and 127 transitions. [2018-07-23 13:41:16,429 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 127 [2018-07-23 13:41:16,429 INFO L349 BasicCegarLoop]: Found error trace [2018-07-23 13:41:16,429 INFO L357 BasicCegarLoop]: trace histogram [123, 1, 1, 1] [2018-07-23 13:41:16,429 INFO L414 AbstractCegarLoop]: === Iteration 124 === [ULTIMATE.startErr0AssertViolationASSERT]=== [2018-07-23 13:41:16,429 INFO L82 PathProgramCache]: Analyzing trace with hash -253057592, now seen corresponding path program 123 times [2018-07-23 13:41:16,429 INFO L69 tionRefinementEngine]: Using refinement strategy FixedRefinementStrategy [2018-07-23 13:41:16,521 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-07-23 13:41:16,903 INFO L134 CoverageAnalysis]: Checked inductivity of 7626 backedges. 0 proven. 7626 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2018-07-23 13:41:16,903 INFO L309 seRefinementStrategy]: Constructing automaton from 0 perfect and 1 imperfect interpolant sequences. [2018-07-23 13:41:16,903 INFO L324 seRefinementStrategy]: Number of different interpolants: perfect sequences [] imperfect sequences [125] total 125 [2018-07-23 13:41:16,903 INFO L142 lantAutomatonBuilder]: Constructing canonical interpolant automaton, with selfloop in false state [2018-07-23 13:41:16,904 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2018-07-23 13:41:16,904 INFO L185 omatonBuilderFactory]: Interpolants [40960#(<= ULTIMATE.start_main_~k~5 112), 40961#(<= ULTIMATE.start_main_~k~5 113), 40962#(<= ULTIMATE.start_main_~k~5 114), 40963#(<= ULTIMATE.start_main_~k~5 115), 40964#(<= ULTIMATE.start_main_~k~5 116), 40965#(<= ULTIMATE.start_main_~k~5 117), 40966#(<= ULTIMATE.start_main_~k~5 118), 40967#(<= ULTIMATE.start_main_~k~5 119), 40968#(<= ULTIMATE.start_main_~k~5 120), 40969#(<= ULTIMATE.start_main_~k~5 121), 40970#(<= ULTIMATE.start_main_~k~5 122), 40971#(<= ULTIMATE.start_main_~k~5 123), 40846#true, 40847#false, 40848#(<= ULTIMATE.start_main_~k~5 0), 40849#(<= ULTIMATE.start_main_~k~5 1), 40850#(<= ULTIMATE.start_main_~k~5 2), 40851#(<= ULTIMATE.start_main_~k~5 3), 40852#(<= ULTIMATE.start_main_~k~5 4), 40853#(<= ULTIMATE.start_main_~k~5 5), 40854#(<= ULTIMATE.start_main_~k~5 6), 40855#(<= ULTIMATE.start_main_~k~5 7), 40856#(<= ULTIMATE.start_main_~k~5 8), 40857#(<= ULTIMATE.start_main_~k~5 9), 40858#(<= ULTIMATE.start_main_~k~5 10), 40859#(<= ULTIMATE.start_main_~k~5 11), 40860#(<= ULTIMATE.start_main_~k~5 12), 40861#(<= ULTIMATE.start_main_~k~5 13), 40862#(<= ULTIMATE.start_main_~k~5 14), 40863#(<= ULTIMATE.start_main_~k~5 15), 40864#(<= ULTIMATE.start_main_~k~5 16), 40865#(<= ULTIMATE.start_main_~k~5 17), 40866#(<= ULTIMATE.start_main_~k~5 18), 40867#(<= ULTIMATE.start_main_~k~5 19), 40868#(<= ULTIMATE.start_main_~k~5 20), 40869#(<= ULTIMATE.start_main_~k~5 21), 40870#(<= ULTIMATE.start_main_~k~5 22), 40871#(<= ULTIMATE.start_main_~k~5 23), 40872#(<= ULTIMATE.start_main_~k~5 24), 40873#(<= ULTIMATE.start_main_~k~5 25), 40874#(<= ULTIMATE.start_main_~k~5 26), 40875#(<= ULTIMATE.start_main_~k~5 27), 40876#(<= ULTIMATE.start_main_~k~5 28), 40877#(<= ULTIMATE.start_main_~k~5 29), 40878#(<= ULTIMATE.start_main_~k~5 30), 40879#(<= ULTIMATE.start_main_~k~5 31), 40880#(<= ULTIMATE.start_main_~k~5 32), 40881#(<= ULTIMATE.start_main_~k~5 33), 40882#(<= ULTIMATE.start_main_~k~5 34), 40883#(<= ULTIMATE.start_main_~k~5 35), 40884#(<= ULTIMATE.start_main_~k~5 36), 40885#(<= ULTIMATE.start_main_~k~5 37), 40886#(<= ULTIMATE.start_main_~k~5 38), 40887#(<= ULTIMATE.start_main_~k~5 39), 40888#(<= ULTIMATE.start_main_~k~5 40), 40889#(<= ULTIMATE.start_main_~k~5 41), 40890#(<= ULTIMATE.start_main_~k~5 42), 40891#(<= ULTIMATE.start_main_~k~5 43), 40892#(<= ULTIMATE.start_main_~k~5 44), 40893#(<= ULTIMATE.start_main_~k~5 45), 40894#(<= ULTIMATE.start_main_~k~5 46), 40895#(<= ULTIMATE.start_main_~k~5 47), 40896#(<= ULTIMATE.start_main_~k~5 48), 40897#(<= ULTIMATE.start_main_~k~5 49), 40898#(<= ULTIMATE.start_main_~k~5 50), 40899#(<= ULTIMATE.start_main_~k~5 51), 40900#(<= ULTIMATE.start_main_~k~5 52), 40901#(<= ULTIMATE.start_main_~k~5 53), 40902#(<= ULTIMATE.start_main_~k~5 54), 40903#(<= ULTIMATE.start_main_~k~5 55), 40904#(<= ULTIMATE.start_main_~k~5 56), 40905#(<= ULTIMATE.start_main_~k~5 57), 40906#(<= ULTIMATE.start_main_~k~5 58), 40907#(<= ULTIMATE.start_main_~k~5 59), 40908#(<= ULTIMATE.start_main_~k~5 60), 40909#(<= ULTIMATE.start_main_~k~5 61), 40910#(<= ULTIMATE.start_main_~k~5 62), 40911#(<= ULTIMATE.start_main_~k~5 63), 40912#(<= ULTIMATE.start_main_~k~5 64), 40913#(<= ULTIMATE.start_main_~k~5 65), 40914#(<= ULTIMATE.start_main_~k~5 66), 40915#(<= ULTIMATE.start_main_~k~5 67), 40916#(<= ULTIMATE.start_main_~k~5 68), 40917#(<= ULTIMATE.start_main_~k~5 69), 40918#(<= ULTIMATE.start_main_~k~5 70), 40919#(<= ULTIMATE.start_main_~k~5 71), 40920#(<= ULTIMATE.start_main_~k~5 72), 40921#(<= ULTIMATE.start_main_~k~5 73), 40922#(<= ULTIMATE.start_main_~k~5 74), 40923#(<= ULTIMATE.start_main_~k~5 75), 40924#(<= ULTIMATE.start_main_~k~5 76), 40925#(<= ULTIMATE.start_main_~k~5 77), 40926#(<= ULTIMATE.start_main_~k~5 78), 40927#(<= ULTIMATE.start_main_~k~5 79), 40928#(<= ULTIMATE.start_main_~k~5 80), 40929#(<= ULTIMATE.start_main_~k~5 81), 40930#(<= ULTIMATE.start_main_~k~5 82), 40931#(<= ULTIMATE.start_main_~k~5 83), 40932#(<= ULTIMATE.start_main_~k~5 84), 40933#(<= ULTIMATE.start_main_~k~5 85), 40934#(<= ULTIMATE.start_main_~k~5 86), 40935#(<= ULTIMATE.start_main_~k~5 87), 40936#(<= ULTIMATE.start_main_~k~5 88), 40937#(<= ULTIMATE.start_main_~k~5 89), 40938#(<= ULTIMATE.start_main_~k~5 90), 40939#(<= ULTIMATE.start_main_~k~5 91), 40940#(<= ULTIMATE.start_main_~k~5 92), 40941#(<= ULTIMATE.start_main_~k~5 93), 40942#(<= ULTIMATE.start_main_~k~5 94), 40943#(<= ULTIMATE.start_main_~k~5 95), 40944#(<= ULTIMATE.start_main_~k~5 96), 40945#(<= ULTIMATE.start_main_~k~5 97), 40946#(<= ULTIMATE.start_main_~k~5 98), 40947#(<= ULTIMATE.start_main_~k~5 99), 40948#(<= ULTIMATE.start_main_~k~5 100), 40949#(<= ULTIMATE.start_main_~k~5 101), 40950#(<= ULTIMATE.start_main_~k~5 102), 40951#(<= ULTIMATE.start_main_~k~5 103), 40952#(<= ULTIMATE.start_main_~k~5 104), 40953#(<= ULTIMATE.start_main_~k~5 105), 40954#(<= ULTIMATE.start_main_~k~5 106), 40955#(<= ULTIMATE.start_main_~k~5 107), 40956#(<= ULTIMATE.start_main_~k~5 108), 40957#(<= ULTIMATE.start_main_~k~5 109), 40958#(<= ULTIMATE.start_main_~k~5 110), 40959#(<= ULTIMATE.start_main_~k~5 111)] [2018-07-23 13:41:16,904 INFO L134 CoverageAnalysis]: Checked inductivity of 7626 backedges. 0 proven. 7626 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2018-07-23 13:41:16,904 INFO L450 AbstractCegarLoop]: Interpolant automaton has 126 states [2018-07-23 13:41:16,905 INFO L132 InterpolantAutomaton]: Constructing interpolant automaton starting with 126 interpolants. [2018-07-23 13:41:16,906 INFO L133 InterpolantAutomaton]: CoverageRelationStatistics Valid=7875, Invalid=7875, Unknown=0, NotChecked=0, Total=15750 [2018-07-23 13:41:16,906 INFO L87 Difference]: Start difference. First operand 127 states and 127 transitions. Second operand 126 states. [2018-07-23 13:41:17,035 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2018-07-23 13:41:17,036 INFO L93 Difference]: Finished difference Result 130 states and 130 transitions. [2018-07-23 13:41:17,036 INFO L142 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 126 states. [2018-07-23 13:41:17,036 INFO L78 Accepts]: Start accepts. Automaton has 126 states. Word has length 126 [2018-07-23 13:41:17,036 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2018-07-23 13:41:17,036 INFO L225 Difference]: With dead ends: 130 [2018-07-23 13:41:17,036 INFO L226 Difference]: Without dead ends: 128 [2018-07-23 13:41:17,038 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 13:41:17,038 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 128 states. [2018-07-23 13:41:17,041 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 128 to 128. [2018-07-23 13:41:17,041 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 128 states. [2018-07-23 13:41:17,041 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 128 states to 128 states and 128 transitions. [2018-07-23 13:41:17,042 INFO L78 Accepts]: Start accepts. Automaton has 128 states and 128 transitions. Word has length 126 [2018-07-23 13:41:17,042 INFO L84 Accepts]: Finished accepts. word is rejected. [2018-07-23 13:41:17,042 INFO L471 AbstractCegarLoop]: Abstraction has 128 states and 128 transitions. [2018-07-23 13:41:17,042 INFO L472 AbstractCegarLoop]: Interpolant automaton has 126 states. [2018-07-23 13:41:17,042 INFO L276 IsEmpty]: Start isEmpty. Operand 128 states and 128 transitions. [2018-07-23 13:41:17,042 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 128 [2018-07-23 13:41:17,043 INFO L349 BasicCegarLoop]: Found error trace [2018-07-23 13:41:17,043 INFO L357 BasicCegarLoop]: trace histogram [124, 1, 1, 1] [2018-07-23 13:41:17,043 INFO L414 AbstractCegarLoop]: === Iteration 125 === [ULTIMATE.startErr0AssertViolationASSERT]=== [2018-07-23 13:41:17,043 INFO L82 PathProgramCache]: Analyzing trace with hash 745147265, now seen corresponding path program 124 times [2018-07-23 13:41:17,043 INFO L69 tionRefinementEngine]: Using refinement strategy FixedRefinementStrategy [2018-07-23 13:41:17,080 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-07-23 13:41:17,440 INFO L134 CoverageAnalysis]: Checked inductivity of 7750 backedges. 0 proven. 7750 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2018-07-23 13:41:17,440 INFO L309 seRefinementStrategy]: Constructing automaton from 0 perfect and 1 imperfect interpolant sequences. [2018-07-23 13:41:17,441 INFO L324 seRefinementStrategy]: Number of different interpolants: perfect sequences [] imperfect sequences [126] total 126 [2018-07-23 13:41:17,441 INFO L142 lantAutomatonBuilder]: Constructing canonical interpolant automaton, with selfloop in false state [2018-07-23 13:41:17,441 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2018-07-23 13:41:17,441 INFO L185 omatonBuilderFactory]: Interpolants [41488#true, 41489#false, 41490#(<= ULTIMATE.start_main_~k~5 0), 41491#(<= ULTIMATE.start_main_~k~5 1), 41492#(<= ULTIMATE.start_main_~k~5 2), 41493#(<= ULTIMATE.start_main_~k~5 3), 41494#(<= ULTIMATE.start_main_~k~5 4), 41495#(<= ULTIMATE.start_main_~k~5 5), 41496#(<= ULTIMATE.start_main_~k~5 6), 41497#(<= ULTIMATE.start_main_~k~5 7), 41498#(<= ULTIMATE.start_main_~k~5 8), 41499#(<= ULTIMATE.start_main_~k~5 9), 41500#(<= ULTIMATE.start_main_~k~5 10), 41501#(<= ULTIMATE.start_main_~k~5 11), 41502#(<= ULTIMATE.start_main_~k~5 12), 41503#(<= ULTIMATE.start_main_~k~5 13), 41504#(<= ULTIMATE.start_main_~k~5 14), 41505#(<= ULTIMATE.start_main_~k~5 15), 41506#(<= ULTIMATE.start_main_~k~5 16), 41507#(<= ULTIMATE.start_main_~k~5 17), 41508#(<= ULTIMATE.start_main_~k~5 18), 41509#(<= ULTIMATE.start_main_~k~5 19), 41510#(<= ULTIMATE.start_main_~k~5 20), 41511#(<= ULTIMATE.start_main_~k~5 21), 41512#(<= ULTIMATE.start_main_~k~5 22), 41513#(<= ULTIMATE.start_main_~k~5 23), 41514#(<= ULTIMATE.start_main_~k~5 24), 41515#(<= ULTIMATE.start_main_~k~5 25), 41516#(<= ULTIMATE.start_main_~k~5 26), 41517#(<= ULTIMATE.start_main_~k~5 27), 41518#(<= ULTIMATE.start_main_~k~5 28), 41519#(<= ULTIMATE.start_main_~k~5 29), 41520#(<= ULTIMATE.start_main_~k~5 30), 41521#(<= ULTIMATE.start_main_~k~5 31), 41522#(<= ULTIMATE.start_main_~k~5 32), 41523#(<= ULTIMATE.start_main_~k~5 33), 41524#(<= ULTIMATE.start_main_~k~5 34), 41525#(<= ULTIMATE.start_main_~k~5 35), 41526#(<= ULTIMATE.start_main_~k~5 36), 41527#(<= ULTIMATE.start_main_~k~5 37), 41528#(<= ULTIMATE.start_main_~k~5 38), 41529#(<= ULTIMATE.start_main_~k~5 39), 41530#(<= ULTIMATE.start_main_~k~5 40), 41531#(<= ULTIMATE.start_main_~k~5 41), 41532#(<= ULTIMATE.start_main_~k~5 42), 41533#(<= ULTIMATE.start_main_~k~5 43), 41534#(<= ULTIMATE.start_main_~k~5 44), 41535#(<= ULTIMATE.start_main_~k~5 45), 41536#(<= ULTIMATE.start_main_~k~5 46), 41537#(<= ULTIMATE.start_main_~k~5 47), 41538#(<= ULTIMATE.start_main_~k~5 48), 41539#(<= ULTIMATE.start_main_~k~5 49), 41540#(<= ULTIMATE.start_main_~k~5 50), 41541#(<= ULTIMATE.start_main_~k~5 51), 41542#(<= ULTIMATE.start_main_~k~5 52), 41543#(<= ULTIMATE.start_main_~k~5 53), 41544#(<= ULTIMATE.start_main_~k~5 54), 41545#(<= ULTIMATE.start_main_~k~5 55), 41546#(<= ULTIMATE.start_main_~k~5 56), 41547#(<= ULTIMATE.start_main_~k~5 57), 41548#(<= ULTIMATE.start_main_~k~5 58), 41549#(<= ULTIMATE.start_main_~k~5 59), 41550#(<= ULTIMATE.start_main_~k~5 60), 41551#(<= ULTIMATE.start_main_~k~5 61), 41552#(<= ULTIMATE.start_main_~k~5 62), 41553#(<= ULTIMATE.start_main_~k~5 63), 41554#(<= ULTIMATE.start_main_~k~5 64), 41555#(<= ULTIMATE.start_main_~k~5 65), 41556#(<= ULTIMATE.start_main_~k~5 66), 41557#(<= ULTIMATE.start_main_~k~5 67), 41558#(<= ULTIMATE.start_main_~k~5 68), 41559#(<= ULTIMATE.start_main_~k~5 69), 41560#(<= ULTIMATE.start_main_~k~5 70), 41561#(<= ULTIMATE.start_main_~k~5 71), 41562#(<= ULTIMATE.start_main_~k~5 72), 41563#(<= ULTIMATE.start_main_~k~5 73), 41564#(<= ULTIMATE.start_main_~k~5 74), 41565#(<= ULTIMATE.start_main_~k~5 75), 41566#(<= ULTIMATE.start_main_~k~5 76), 41567#(<= ULTIMATE.start_main_~k~5 77), 41568#(<= ULTIMATE.start_main_~k~5 78), 41569#(<= ULTIMATE.start_main_~k~5 79), 41570#(<= ULTIMATE.start_main_~k~5 80), 41571#(<= ULTIMATE.start_main_~k~5 81), 41572#(<= ULTIMATE.start_main_~k~5 82), 41573#(<= ULTIMATE.start_main_~k~5 83), 41574#(<= ULTIMATE.start_main_~k~5 84), 41575#(<= ULTIMATE.start_main_~k~5 85), 41576#(<= ULTIMATE.start_main_~k~5 86), 41577#(<= ULTIMATE.start_main_~k~5 87), 41578#(<= ULTIMATE.start_main_~k~5 88), 41579#(<= ULTIMATE.start_main_~k~5 89), 41580#(<= ULTIMATE.start_main_~k~5 90), 41581#(<= ULTIMATE.start_main_~k~5 91), 41582#(<= ULTIMATE.start_main_~k~5 92), 41583#(<= ULTIMATE.start_main_~k~5 93), 41584#(<= ULTIMATE.start_main_~k~5 94), 41585#(<= ULTIMATE.start_main_~k~5 95), 41586#(<= ULTIMATE.start_main_~k~5 96), 41587#(<= ULTIMATE.start_main_~k~5 97), 41588#(<= ULTIMATE.start_main_~k~5 98), 41589#(<= ULTIMATE.start_main_~k~5 99), 41590#(<= ULTIMATE.start_main_~k~5 100), 41591#(<= ULTIMATE.start_main_~k~5 101), 41592#(<= ULTIMATE.start_main_~k~5 102), 41593#(<= ULTIMATE.start_main_~k~5 103), 41594#(<= ULTIMATE.start_main_~k~5 104), 41595#(<= ULTIMATE.start_main_~k~5 105), 41596#(<= ULTIMATE.start_main_~k~5 106), 41597#(<= ULTIMATE.start_main_~k~5 107), 41598#(<= ULTIMATE.start_main_~k~5 108), 41599#(<= ULTIMATE.start_main_~k~5 109), 41600#(<= ULTIMATE.start_main_~k~5 110), 41601#(<= ULTIMATE.start_main_~k~5 111), 41602#(<= ULTIMATE.start_main_~k~5 112), 41603#(<= ULTIMATE.start_main_~k~5 113), 41604#(<= ULTIMATE.start_main_~k~5 114), 41605#(<= ULTIMATE.start_main_~k~5 115), 41606#(<= ULTIMATE.start_main_~k~5 116), 41607#(<= ULTIMATE.start_main_~k~5 117), 41608#(<= ULTIMATE.start_main_~k~5 118), 41609#(<= ULTIMATE.start_main_~k~5 119), 41610#(<= ULTIMATE.start_main_~k~5 120), 41611#(<= ULTIMATE.start_main_~k~5 121), 41612#(<= ULTIMATE.start_main_~k~5 122), 41613#(<= ULTIMATE.start_main_~k~5 123), 41614#(<= ULTIMATE.start_main_~k~5 124)] [2018-07-23 13:41:17,442 INFO L134 CoverageAnalysis]: Checked inductivity of 7750 backedges. 0 proven. 7750 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2018-07-23 13:41:17,442 INFO L450 AbstractCegarLoop]: Interpolant automaton has 127 states [2018-07-23 13:41:17,443 INFO L132 InterpolantAutomaton]: Constructing interpolant automaton starting with 127 interpolants. [2018-07-23 13:41:17,444 INFO L133 InterpolantAutomaton]: CoverageRelationStatistics Valid=8001, Invalid=8001, Unknown=0, NotChecked=0, Total=16002 [2018-07-23 13:41:17,444 INFO L87 Difference]: Start difference. First operand 128 states and 128 transitions. Second operand 127 states. [2018-07-23 13:41:17,621 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2018-07-23 13:41:17,621 INFO L93 Difference]: Finished difference Result 131 states and 131 transitions. [2018-07-23 13:41:17,621 INFO L142 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 127 states. [2018-07-23 13:41:17,621 INFO L78 Accepts]: Start accepts. Automaton has 127 states. Word has length 127 [2018-07-23 13:41:17,621 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2018-07-23 13:41:17,622 INFO L225 Difference]: With dead ends: 131 [2018-07-23 13:41:17,622 INFO L226 Difference]: Without dead ends: 129 [2018-07-23 13:41:17,622 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 13:41:17,623 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 129 states. [2018-07-23 13:41:17,625 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 129 to 129. [2018-07-23 13:41:17,625 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 129 states. [2018-07-23 13:41:17,625 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 129 states to 129 states and 129 transitions. [2018-07-23 13:41:17,625 INFO L78 Accepts]: Start accepts. Automaton has 129 states and 129 transitions. Word has length 127 [2018-07-23 13:41:17,625 INFO L84 Accepts]: Finished accepts. word is rejected. [2018-07-23 13:41:17,625 INFO L471 AbstractCegarLoop]: Abstraction has 129 states and 129 transitions. [2018-07-23 13:41:17,625 INFO L472 AbstractCegarLoop]: Interpolant automaton has 127 states. [2018-07-23 13:41:17,625 INFO L276 IsEmpty]: Start isEmpty. Operand 129 states and 129 transitions. [2018-07-23 13:41:17,626 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 129 [2018-07-23 13:41:17,626 INFO L349 BasicCegarLoop]: Found error trace [2018-07-23 13:41:17,626 INFO L357 BasicCegarLoop]: trace histogram [125, 1, 1, 1] [2018-07-23 13:41:17,626 INFO L414 AbstractCegarLoop]: === Iteration 126 === [ULTIMATE.startErr0AssertViolationASSERT]=== [2018-07-23 13:41:17,626 INFO L82 PathProgramCache]: Analyzing trace with hash 1624726760, now seen corresponding path program 125 times [2018-07-23 13:41:17,627 INFO L69 tionRefinementEngine]: Using refinement strategy FixedRefinementStrategy [2018-07-23 13:41:17,664 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-07-23 13:41:18,030 INFO L134 CoverageAnalysis]: Checked inductivity of 7875 backedges. 0 proven. 7875 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2018-07-23 13:41:18,030 INFO L309 seRefinementStrategy]: Constructing automaton from 0 perfect and 1 imperfect interpolant sequences. [2018-07-23 13:41:18,030 INFO L324 seRefinementStrategy]: Number of different interpolants: perfect sequences [] imperfect sequences [127] total 127 [2018-07-23 13:41:18,031 INFO L142 lantAutomatonBuilder]: Constructing canonical interpolant automaton, with selfloop in false state [2018-07-23 13:41:18,031 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2018-07-23 13:41:18,031 INFO L185 omatonBuilderFactory]: Interpolants [42240#(<= ULTIMATE.start_main_~k~5 103), 42241#(<= ULTIMATE.start_main_~k~5 104), 42242#(<= ULTIMATE.start_main_~k~5 105), 42243#(<= ULTIMATE.start_main_~k~5 106), 42244#(<= ULTIMATE.start_main_~k~5 107), 42245#(<= ULTIMATE.start_main_~k~5 108), 42246#(<= ULTIMATE.start_main_~k~5 109), 42247#(<= ULTIMATE.start_main_~k~5 110), 42248#(<= ULTIMATE.start_main_~k~5 111), 42249#(<= ULTIMATE.start_main_~k~5 112), 42250#(<= ULTIMATE.start_main_~k~5 113), 42251#(<= ULTIMATE.start_main_~k~5 114), 42252#(<= ULTIMATE.start_main_~k~5 115), 42253#(<= ULTIMATE.start_main_~k~5 116), 42254#(<= ULTIMATE.start_main_~k~5 117), 42255#(<= ULTIMATE.start_main_~k~5 118), 42256#(<= ULTIMATE.start_main_~k~5 119), 42257#(<= ULTIMATE.start_main_~k~5 120), 42258#(<= ULTIMATE.start_main_~k~5 121), 42259#(<= ULTIMATE.start_main_~k~5 122), 42260#(<= ULTIMATE.start_main_~k~5 123), 42261#(<= ULTIMATE.start_main_~k~5 124), 42262#(<= ULTIMATE.start_main_~k~5 125), 42135#true, 42136#false, 42137#(<= ULTIMATE.start_main_~k~5 0), 42138#(<= ULTIMATE.start_main_~k~5 1), 42139#(<= ULTIMATE.start_main_~k~5 2), 42140#(<= ULTIMATE.start_main_~k~5 3), 42141#(<= ULTIMATE.start_main_~k~5 4), 42142#(<= ULTIMATE.start_main_~k~5 5), 42143#(<= ULTIMATE.start_main_~k~5 6), 42144#(<= ULTIMATE.start_main_~k~5 7), 42145#(<= ULTIMATE.start_main_~k~5 8), 42146#(<= ULTIMATE.start_main_~k~5 9), 42147#(<= ULTIMATE.start_main_~k~5 10), 42148#(<= ULTIMATE.start_main_~k~5 11), 42149#(<= ULTIMATE.start_main_~k~5 12), 42150#(<= ULTIMATE.start_main_~k~5 13), 42151#(<= ULTIMATE.start_main_~k~5 14), 42152#(<= ULTIMATE.start_main_~k~5 15), 42153#(<= ULTIMATE.start_main_~k~5 16), 42154#(<= ULTIMATE.start_main_~k~5 17), 42155#(<= ULTIMATE.start_main_~k~5 18), 42156#(<= ULTIMATE.start_main_~k~5 19), 42157#(<= ULTIMATE.start_main_~k~5 20), 42158#(<= ULTIMATE.start_main_~k~5 21), 42159#(<= ULTIMATE.start_main_~k~5 22), 42160#(<= ULTIMATE.start_main_~k~5 23), 42161#(<= ULTIMATE.start_main_~k~5 24), 42162#(<= ULTIMATE.start_main_~k~5 25), 42163#(<= ULTIMATE.start_main_~k~5 26), 42164#(<= ULTIMATE.start_main_~k~5 27), 42165#(<= ULTIMATE.start_main_~k~5 28), 42166#(<= ULTIMATE.start_main_~k~5 29), 42167#(<= ULTIMATE.start_main_~k~5 30), 42168#(<= ULTIMATE.start_main_~k~5 31), 42169#(<= ULTIMATE.start_main_~k~5 32), 42170#(<= ULTIMATE.start_main_~k~5 33), 42171#(<= ULTIMATE.start_main_~k~5 34), 42172#(<= ULTIMATE.start_main_~k~5 35), 42173#(<= ULTIMATE.start_main_~k~5 36), 42174#(<= ULTIMATE.start_main_~k~5 37), 42175#(<= ULTIMATE.start_main_~k~5 38), 42176#(<= ULTIMATE.start_main_~k~5 39), 42177#(<= ULTIMATE.start_main_~k~5 40), 42178#(<= ULTIMATE.start_main_~k~5 41), 42179#(<= ULTIMATE.start_main_~k~5 42), 42180#(<= ULTIMATE.start_main_~k~5 43), 42181#(<= ULTIMATE.start_main_~k~5 44), 42182#(<= ULTIMATE.start_main_~k~5 45), 42183#(<= ULTIMATE.start_main_~k~5 46), 42184#(<= ULTIMATE.start_main_~k~5 47), 42185#(<= ULTIMATE.start_main_~k~5 48), 42186#(<= ULTIMATE.start_main_~k~5 49), 42187#(<= ULTIMATE.start_main_~k~5 50), 42188#(<= ULTIMATE.start_main_~k~5 51), 42189#(<= ULTIMATE.start_main_~k~5 52), 42190#(<= ULTIMATE.start_main_~k~5 53), 42191#(<= ULTIMATE.start_main_~k~5 54), 42192#(<= ULTIMATE.start_main_~k~5 55), 42193#(<= ULTIMATE.start_main_~k~5 56), 42194#(<= ULTIMATE.start_main_~k~5 57), 42195#(<= ULTIMATE.start_main_~k~5 58), 42196#(<= ULTIMATE.start_main_~k~5 59), 42197#(<= ULTIMATE.start_main_~k~5 60), 42198#(<= ULTIMATE.start_main_~k~5 61), 42199#(<= ULTIMATE.start_main_~k~5 62), 42200#(<= ULTIMATE.start_main_~k~5 63), 42201#(<= ULTIMATE.start_main_~k~5 64), 42202#(<= ULTIMATE.start_main_~k~5 65), 42203#(<= ULTIMATE.start_main_~k~5 66), 42204#(<= ULTIMATE.start_main_~k~5 67), 42205#(<= ULTIMATE.start_main_~k~5 68), 42206#(<= ULTIMATE.start_main_~k~5 69), 42207#(<= ULTIMATE.start_main_~k~5 70), 42208#(<= ULTIMATE.start_main_~k~5 71), 42209#(<= ULTIMATE.start_main_~k~5 72), 42210#(<= ULTIMATE.start_main_~k~5 73), 42211#(<= ULTIMATE.start_main_~k~5 74), 42212#(<= ULTIMATE.start_main_~k~5 75), 42213#(<= ULTIMATE.start_main_~k~5 76), 42214#(<= ULTIMATE.start_main_~k~5 77), 42215#(<= ULTIMATE.start_main_~k~5 78), 42216#(<= ULTIMATE.start_main_~k~5 79), 42217#(<= ULTIMATE.start_main_~k~5 80), 42218#(<= ULTIMATE.start_main_~k~5 81), 42219#(<= ULTIMATE.start_main_~k~5 82), 42220#(<= ULTIMATE.start_main_~k~5 83), 42221#(<= ULTIMATE.start_main_~k~5 84), 42222#(<= ULTIMATE.start_main_~k~5 85), 42223#(<= ULTIMATE.start_main_~k~5 86), 42224#(<= ULTIMATE.start_main_~k~5 87), 42225#(<= ULTIMATE.start_main_~k~5 88), 42226#(<= ULTIMATE.start_main_~k~5 89), 42227#(<= ULTIMATE.start_main_~k~5 90), 42228#(<= ULTIMATE.start_main_~k~5 91), 42229#(<= ULTIMATE.start_main_~k~5 92), 42230#(<= ULTIMATE.start_main_~k~5 93), 42231#(<= ULTIMATE.start_main_~k~5 94), 42232#(<= ULTIMATE.start_main_~k~5 95), 42233#(<= ULTIMATE.start_main_~k~5 96), 42234#(<= ULTIMATE.start_main_~k~5 97), 42235#(<= ULTIMATE.start_main_~k~5 98), 42236#(<= ULTIMATE.start_main_~k~5 99), 42237#(<= ULTIMATE.start_main_~k~5 100), 42238#(<= ULTIMATE.start_main_~k~5 101), 42239#(<= ULTIMATE.start_main_~k~5 102)] [2018-07-23 13:41:18,032 INFO L134 CoverageAnalysis]: Checked inductivity of 7875 backedges. 0 proven. 7875 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2018-07-23 13:41:18,032 INFO L450 AbstractCegarLoop]: Interpolant automaton has 128 states [2018-07-23 13:41:18,033 INFO L132 InterpolantAutomaton]: Constructing interpolant automaton starting with 128 interpolants. [2018-07-23 13:41:18,033 INFO L133 InterpolantAutomaton]: CoverageRelationStatistics Valid=8128, Invalid=8128, Unknown=0, NotChecked=0, Total=16256 [2018-07-23 13:41:18,034 INFO L87 Difference]: Start difference. First operand 129 states and 129 transitions. Second operand 128 states. [2018-07-23 13:41:18,147 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2018-07-23 13:41:18,147 INFO L93 Difference]: Finished difference Result 132 states and 132 transitions. [2018-07-23 13:41:18,147 INFO L142 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 128 states. [2018-07-23 13:41:18,147 INFO L78 Accepts]: Start accepts. Automaton has 128 states. Word has length 128 [2018-07-23 13:41:18,147 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2018-07-23 13:41:18,148 INFO L225 Difference]: With dead ends: 132 [2018-07-23 13:41:18,148 INFO L226 Difference]: Without dead ends: 130 [2018-07-23 13:41:18,149 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 13:41:18,149 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 130 states. [2018-07-23 13:41:18,152 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 130 to 130. [2018-07-23 13:41:18,152 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 130 states. [2018-07-23 13:41:18,152 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 130 states to 130 states and 130 transitions. [2018-07-23 13:41:18,152 INFO L78 Accepts]: Start accepts. Automaton has 130 states and 130 transitions. Word has length 128 [2018-07-23 13:41:18,152 INFO L84 Accepts]: Finished accepts. word is rejected. [2018-07-23 13:41:18,153 INFO L471 AbstractCegarLoop]: Abstraction has 130 states and 130 transitions. [2018-07-23 13:41:18,153 INFO L472 AbstractCegarLoop]: Interpolant automaton has 128 states. [2018-07-23 13:41:18,153 INFO L276 IsEmpty]: Start isEmpty. Operand 130 states and 130 transitions. [2018-07-23 13:41:18,153 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 130 [2018-07-23 13:41:18,153 INFO L349 BasicCegarLoop]: Found error trace [2018-07-23 13:41:18,153 INFO L357 BasicCegarLoop]: trace histogram [126, 1, 1, 1] [2018-07-23 13:41:18,154 INFO L414 AbstractCegarLoop]: === Iteration 127 === [ULTIMATE.startErr0AssertViolationASSERT]=== [2018-07-23 13:41:18,154 INFO L82 PathProgramCache]: Analyzing trace with hash -1173079967, now seen corresponding path program 126 times [2018-07-23 13:41:18,154 INFO L69 tionRefinementEngine]: Using refinement strategy FixedRefinementStrategy [2018-07-23 13:41:18,191 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-07-23 13:41:18,595 INFO L134 CoverageAnalysis]: Checked inductivity of 8001 backedges. 0 proven. 8001 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2018-07-23 13:41:18,596 INFO L309 seRefinementStrategy]: Constructing automaton from 0 perfect and 1 imperfect interpolant sequences. [2018-07-23 13:41:18,596 INFO L324 seRefinementStrategy]: Number of different interpolants: perfect sequences [] imperfect sequences [128] total 128 [2018-07-23 13:41:18,596 INFO L142 lantAutomatonBuilder]: Constructing canonical interpolant automaton, with selfloop in false state [2018-07-23 13:41:18,596 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2018-07-23 13:41:18,596 INFO L185 omatonBuilderFactory]: Interpolants [42787#true, 42788#false, 42789#(<= ULTIMATE.start_main_~k~5 0), 42790#(<= ULTIMATE.start_main_~k~5 1), 42791#(<= ULTIMATE.start_main_~k~5 2), 42792#(<= ULTIMATE.start_main_~k~5 3), 42793#(<= ULTIMATE.start_main_~k~5 4), 42794#(<= ULTIMATE.start_main_~k~5 5), 42795#(<= ULTIMATE.start_main_~k~5 6), 42796#(<= ULTIMATE.start_main_~k~5 7), 42797#(<= ULTIMATE.start_main_~k~5 8), 42798#(<= ULTIMATE.start_main_~k~5 9), 42799#(<= ULTIMATE.start_main_~k~5 10), 42800#(<= ULTIMATE.start_main_~k~5 11), 42801#(<= ULTIMATE.start_main_~k~5 12), 42802#(<= ULTIMATE.start_main_~k~5 13), 42803#(<= ULTIMATE.start_main_~k~5 14), 42804#(<= ULTIMATE.start_main_~k~5 15), 42805#(<= ULTIMATE.start_main_~k~5 16), 42806#(<= ULTIMATE.start_main_~k~5 17), 42807#(<= ULTIMATE.start_main_~k~5 18), 42808#(<= ULTIMATE.start_main_~k~5 19), 42809#(<= ULTIMATE.start_main_~k~5 20), 42810#(<= ULTIMATE.start_main_~k~5 21), 42811#(<= ULTIMATE.start_main_~k~5 22), 42812#(<= ULTIMATE.start_main_~k~5 23), 42813#(<= ULTIMATE.start_main_~k~5 24), 42814#(<= ULTIMATE.start_main_~k~5 25), 42815#(<= ULTIMATE.start_main_~k~5 26), 42816#(<= ULTIMATE.start_main_~k~5 27), 42817#(<= ULTIMATE.start_main_~k~5 28), 42818#(<= ULTIMATE.start_main_~k~5 29), 42819#(<= ULTIMATE.start_main_~k~5 30), 42820#(<= ULTIMATE.start_main_~k~5 31), 42821#(<= ULTIMATE.start_main_~k~5 32), 42822#(<= ULTIMATE.start_main_~k~5 33), 42823#(<= ULTIMATE.start_main_~k~5 34), 42824#(<= ULTIMATE.start_main_~k~5 35), 42825#(<= ULTIMATE.start_main_~k~5 36), 42826#(<= ULTIMATE.start_main_~k~5 37), 42827#(<= ULTIMATE.start_main_~k~5 38), 42828#(<= ULTIMATE.start_main_~k~5 39), 42829#(<= ULTIMATE.start_main_~k~5 40), 42830#(<= ULTIMATE.start_main_~k~5 41), 42831#(<= ULTIMATE.start_main_~k~5 42), 42832#(<= ULTIMATE.start_main_~k~5 43), 42833#(<= ULTIMATE.start_main_~k~5 44), 42834#(<= ULTIMATE.start_main_~k~5 45), 42835#(<= ULTIMATE.start_main_~k~5 46), 42836#(<= ULTIMATE.start_main_~k~5 47), 42837#(<= ULTIMATE.start_main_~k~5 48), 42838#(<= ULTIMATE.start_main_~k~5 49), 42839#(<= ULTIMATE.start_main_~k~5 50), 42840#(<= ULTIMATE.start_main_~k~5 51), 42841#(<= ULTIMATE.start_main_~k~5 52), 42842#(<= ULTIMATE.start_main_~k~5 53), 42843#(<= ULTIMATE.start_main_~k~5 54), 42844#(<= ULTIMATE.start_main_~k~5 55), 42845#(<= ULTIMATE.start_main_~k~5 56), 42846#(<= ULTIMATE.start_main_~k~5 57), 42847#(<= ULTIMATE.start_main_~k~5 58), 42848#(<= ULTIMATE.start_main_~k~5 59), 42849#(<= ULTIMATE.start_main_~k~5 60), 42850#(<= ULTIMATE.start_main_~k~5 61), 42851#(<= ULTIMATE.start_main_~k~5 62), 42852#(<= ULTIMATE.start_main_~k~5 63), 42853#(<= ULTIMATE.start_main_~k~5 64), 42854#(<= ULTIMATE.start_main_~k~5 65), 42855#(<= ULTIMATE.start_main_~k~5 66), 42856#(<= ULTIMATE.start_main_~k~5 67), 42857#(<= ULTIMATE.start_main_~k~5 68), 42858#(<= ULTIMATE.start_main_~k~5 69), 42859#(<= ULTIMATE.start_main_~k~5 70), 42860#(<= ULTIMATE.start_main_~k~5 71), 42861#(<= ULTIMATE.start_main_~k~5 72), 42862#(<= ULTIMATE.start_main_~k~5 73), 42863#(<= ULTIMATE.start_main_~k~5 74), 42864#(<= ULTIMATE.start_main_~k~5 75), 42865#(<= ULTIMATE.start_main_~k~5 76), 42866#(<= ULTIMATE.start_main_~k~5 77), 42867#(<= ULTIMATE.start_main_~k~5 78), 42868#(<= ULTIMATE.start_main_~k~5 79), 42869#(<= ULTIMATE.start_main_~k~5 80), 42870#(<= ULTIMATE.start_main_~k~5 81), 42871#(<= ULTIMATE.start_main_~k~5 82), 42872#(<= ULTIMATE.start_main_~k~5 83), 42873#(<= ULTIMATE.start_main_~k~5 84), 42874#(<= ULTIMATE.start_main_~k~5 85), 42875#(<= ULTIMATE.start_main_~k~5 86), 42876#(<= ULTIMATE.start_main_~k~5 87), 42877#(<= ULTIMATE.start_main_~k~5 88), 42878#(<= ULTIMATE.start_main_~k~5 89), 42879#(<= ULTIMATE.start_main_~k~5 90), 42880#(<= ULTIMATE.start_main_~k~5 91), 42881#(<= ULTIMATE.start_main_~k~5 92), 42882#(<= ULTIMATE.start_main_~k~5 93), 42883#(<= ULTIMATE.start_main_~k~5 94), 42884#(<= ULTIMATE.start_main_~k~5 95), 42885#(<= ULTIMATE.start_main_~k~5 96), 42886#(<= ULTIMATE.start_main_~k~5 97), 42887#(<= ULTIMATE.start_main_~k~5 98), 42888#(<= ULTIMATE.start_main_~k~5 99), 42889#(<= ULTIMATE.start_main_~k~5 100), 42890#(<= ULTIMATE.start_main_~k~5 101), 42891#(<= ULTIMATE.start_main_~k~5 102), 42892#(<= ULTIMATE.start_main_~k~5 103), 42893#(<= ULTIMATE.start_main_~k~5 104), 42894#(<= ULTIMATE.start_main_~k~5 105), 42895#(<= ULTIMATE.start_main_~k~5 106), 42896#(<= ULTIMATE.start_main_~k~5 107), 42897#(<= ULTIMATE.start_main_~k~5 108), 42898#(<= ULTIMATE.start_main_~k~5 109), 42899#(<= ULTIMATE.start_main_~k~5 110), 42900#(<= ULTIMATE.start_main_~k~5 111), 42901#(<= ULTIMATE.start_main_~k~5 112), 42902#(<= ULTIMATE.start_main_~k~5 113), 42903#(<= ULTIMATE.start_main_~k~5 114), 42904#(<= ULTIMATE.start_main_~k~5 115), 42905#(<= ULTIMATE.start_main_~k~5 116), 42906#(<= ULTIMATE.start_main_~k~5 117), 42907#(<= ULTIMATE.start_main_~k~5 118), 42908#(<= ULTIMATE.start_main_~k~5 119), 42909#(<= ULTIMATE.start_main_~k~5 120), 42910#(<= ULTIMATE.start_main_~k~5 121), 42911#(<= ULTIMATE.start_main_~k~5 122), 42912#(<= ULTIMATE.start_main_~k~5 123), 42913#(<= ULTIMATE.start_main_~k~5 124), 42914#(<= ULTIMATE.start_main_~k~5 125), 42915#(<= ULTIMATE.start_main_~k~5 126)] [2018-07-23 13:41:18,597 INFO L134 CoverageAnalysis]: Checked inductivity of 8001 backedges. 0 proven. 8001 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2018-07-23 13:41:18,597 INFO L450 AbstractCegarLoop]: Interpolant automaton has 129 states [2018-07-23 13:41:18,598 INFO L132 InterpolantAutomaton]: Constructing interpolant automaton starting with 129 interpolants. [2018-07-23 13:41:18,599 INFO L133 InterpolantAutomaton]: CoverageRelationStatistics Valid=8256, Invalid=8256, Unknown=0, NotChecked=0, Total=16512 [2018-07-23 13:41:18,599 INFO L87 Difference]: Start difference. First operand 130 states and 130 transitions. Second operand 129 states. [2018-07-23 13:41:18,782 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2018-07-23 13:41:18,782 INFO L93 Difference]: Finished difference Result 133 states and 133 transitions. [2018-07-23 13:41:18,783 INFO L142 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 129 states. [2018-07-23 13:41:18,783 INFO L78 Accepts]: Start accepts. Automaton has 129 states. Word has length 129 [2018-07-23 13:41:18,783 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2018-07-23 13:41:18,783 INFO L225 Difference]: With dead ends: 133 [2018-07-23 13:41:18,784 INFO L226 Difference]: Without dead ends: 131 [2018-07-23 13:41:18,785 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 13:41:18,785 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 131 states. [2018-07-23 13:41:18,788 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 131 to 131. [2018-07-23 13:41:18,788 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 131 states. [2018-07-23 13:41:18,788 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 131 states to 131 states and 131 transitions. [2018-07-23 13:41:18,788 INFO L78 Accepts]: Start accepts. Automaton has 131 states and 131 transitions. Word has length 129 [2018-07-23 13:41:18,789 INFO L84 Accepts]: Finished accepts. word is rejected. [2018-07-23 13:41:18,789 INFO L471 AbstractCegarLoop]: Abstraction has 131 states and 131 transitions. [2018-07-23 13:41:18,789 INFO L472 AbstractCegarLoop]: Interpolant automaton has 129 states. [2018-07-23 13:41:18,789 INFO L276 IsEmpty]: Start isEmpty. Operand 131 states and 131 transitions. [2018-07-23 13:41:18,789 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 131 [2018-07-23 13:41:18,790 INFO L349 BasicCegarLoop]: Found error trace [2018-07-23 13:41:18,790 INFO L357 BasicCegarLoop]: trace histogram [127, 1, 1, 1] [2018-07-23 13:41:18,790 INFO L414 AbstractCegarLoop]: === Iteration 128 === [ULTIMATE.startErr0AssertViolationASSERT]=== [2018-07-23 13:41:18,790 INFO L82 PathProgramCache]: Analyzing trace with hash -2005742584, now seen corresponding path program 127 times [2018-07-23 13:41:18,790 INFO L69 tionRefinementEngine]: Using refinement strategy FixedRefinementStrategy [2018-07-23 13:41:18,847 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-07-23 13:41:19,362 INFO L134 CoverageAnalysis]: Checked inductivity of 8128 backedges. 0 proven. 8128 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2018-07-23 13:41:19,362 INFO L309 seRefinementStrategy]: Constructing automaton from 0 perfect and 1 imperfect interpolant sequences. [2018-07-23 13:41:19,362 INFO L324 seRefinementStrategy]: Number of different interpolants: perfect sequences [] imperfect sequences [129] total 129 [2018-07-23 13:41:19,362 INFO L142 lantAutomatonBuilder]: Constructing canonical interpolant automaton, with selfloop in false state [2018-07-23 13:41:19,363 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2018-07-23 13:41:19,363 INFO L185 omatonBuilderFactory]: Interpolants [43520#(<= ULTIMATE.start_main_~k~5 74), 43521#(<= ULTIMATE.start_main_~k~5 75), 43522#(<= ULTIMATE.start_main_~k~5 76), 43523#(<= ULTIMATE.start_main_~k~5 77), 43524#(<= ULTIMATE.start_main_~k~5 78), 43525#(<= ULTIMATE.start_main_~k~5 79), 43526#(<= ULTIMATE.start_main_~k~5 80), 43527#(<= ULTIMATE.start_main_~k~5 81), 43528#(<= ULTIMATE.start_main_~k~5 82), 43529#(<= ULTIMATE.start_main_~k~5 83), 43530#(<= ULTIMATE.start_main_~k~5 84), 43531#(<= ULTIMATE.start_main_~k~5 85), 43532#(<= ULTIMATE.start_main_~k~5 86), 43533#(<= ULTIMATE.start_main_~k~5 87), 43534#(<= ULTIMATE.start_main_~k~5 88), 43535#(<= ULTIMATE.start_main_~k~5 89), 43536#(<= ULTIMATE.start_main_~k~5 90), 43537#(<= ULTIMATE.start_main_~k~5 91), 43538#(<= ULTIMATE.start_main_~k~5 92), 43539#(<= ULTIMATE.start_main_~k~5 93), 43540#(<= ULTIMATE.start_main_~k~5 94), 43541#(<= ULTIMATE.start_main_~k~5 95), 43542#(<= ULTIMATE.start_main_~k~5 96), 43543#(<= ULTIMATE.start_main_~k~5 97), 43544#(<= ULTIMATE.start_main_~k~5 98), 43545#(<= ULTIMATE.start_main_~k~5 99), 43546#(<= ULTIMATE.start_main_~k~5 100), 43547#(<= ULTIMATE.start_main_~k~5 101), 43548#(<= ULTIMATE.start_main_~k~5 102), 43549#(<= ULTIMATE.start_main_~k~5 103), 43550#(<= ULTIMATE.start_main_~k~5 104), 43551#(<= ULTIMATE.start_main_~k~5 105), 43552#(<= ULTIMATE.start_main_~k~5 106), 43553#(<= ULTIMATE.start_main_~k~5 107), 43554#(<= ULTIMATE.start_main_~k~5 108), 43555#(<= ULTIMATE.start_main_~k~5 109), 43556#(<= ULTIMATE.start_main_~k~5 110), 43557#(<= ULTIMATE.start_main_~k~5 111), 43558#(<= ULTIMATE.start_main_~k~5 112), 43559#(<= ULTIMATE.start_main_~k~5 113), 43560#(<= ULTIMATE.start_main_~k~5 114), 43561#(<= ULTIMATE.start_main_~k~5 115), 43562#(<= ULTIMATE.start_main_~k~5 116), 43563#(<= ULTIMATE.start_main_~k~5 117), 43564#(<= ULTIMATE.start_main_~k~5 118), 43565#(<= ULTIMATE.start_main_~k~5 119), 43566#(<= ULTIMATE.start_main_~k~5 120), 43567#(<= ULTIMATE.start_main_~k~5 121), 43568#(<= ULTIMATE.start_main_~k~5 122), 43569#(<= ULTIMATE.start_main_~k~5 123), 43570#(<= ULTIMATE.start_main_~k~5 124), 43571#(<= ULTIMATE.start_main_~k~5 125), 43572#(<= ULTIMATE.start_main_~k~5 126), 43573#(<= ULTIMATE.start_main_~k~5 127), 43444#true, 43445#false, 43446#(<= ULTIMATE.start_main_~k~5 0), 43447#(<= ULTIMATE.start_main_~k~5 1), 43448#(<= ULTIMATE.start_main_~k~5 2), 43449#(<= ULTIMATE.start_main_~k~5 3), 43450#(<= ULTIMATE.start_main_~k~5 4), 43451#(<= ULTIMATE.start_main_~k~5 5), 43452#(<= ULTIMATE.start_main_~k~5 6), 43453#(<= ULTIMATE.start_main_~k~5 7), 43454#(<= ULTIMATE.start_main_~k~5 8), 43455#(<= ULTIMATE.start_main_~k~5 9), 43456#(<= ULTIMATE.start_main_~k~5 10), 43457#(<= ULTIMATE.start_main_~k~5 11), 43458#(<= ULTIMATE.start_main_~k~5 12), 43459#(<= ULTIMATE.start_main_~k~5 13), 43460#(<= ULTIMATE.start_main_~k~5 14), 43461#(<= ULTIMATE.start_main_~k~5 15), 43462#(<= ULTIMATE.start_main_~k~5 16), 43463#(<= ULTIMATE.start_main_~k~5 17), 43464#(<= ULTIMATE.start_main_~k~5 18), 43465#(<= ULTIMATE.start_main_~k~5 19), 43466#(<= ULTIMATE.start_main_~k~5 20), 43467#(<= ULTIMATE.start_main_~k~5 21), 43468#(<= ULTIMATE.start_main_~k~5 22), 43469#(<= ULTIMATE.start_main_~k~5 23), 43470#(<= ULTIMATE.start_main_~k~5 24), 43471#(<= ULTIMATE.start_main_~k~5 25), 43472#(<= ULTIMATE.start_main_~k~5 26), 43473#(<= ULTIMATE.start_main_~k~5 27), 43474#(<= ULTIMATE.start_main_~k~5 28), 43475#(<= ULTIMATE.start_main_~k~5 29), 43476#(<= ULTIMATE.start_main_~k~5 30), 43477#(<= ULTIMATE.start_main_~k~5 31), 43478#(<= ULTIMATE.start_main_~k~5 32), 43479#(<= ULTIMATE.start_main_~k~5 33), 43480#(<= ULTIMATE.start_main_~k~5 34), 43481#(<= ULTIMATE.start_main_~k~5 35), 43482#(<= ULTIMATE.start_main_~k~5 36), 43483#(<= ULTIMATE.start_main_~k~5 37), 43484#(<= ULTIMATE.start_main_~k~5 38), 43485#(<= ULTIMATE.start_main_~k~5 39), 43486#(<= ULTIMATE.start_main_~k~5 40), 43487#(<= ULTIMATE.start_main_~k~5 41), 43488#(<= ULTIMATE.start_main_~k~5 42), 43489#(<= ULTIMATE.start_main_~k~5 43), 43490#(<= ULTIMATE.start_main_~k~5 44), 43491#(<= ULTIMATE.start_main_~k~5 45), 43492#(<= ULTIMATE.start_main_~k~5 46), 43493#(<= ULTIMATE.start_main_~k~5 47), 43494#(<= ULTIMATE.start_main_~k~5 48), 43495#(<= ULTIMATE.start_main_~k~5 49), 43496#(<= ULTIMATE.start_main_~k~5 50), 43497#(<= ULTIMATE.start_main_~k~5 51), 43498#(<= ULTIMATE.start_main_~k~5 52), 43499#(<= ULTIMATE.start_main_~k~5 53), 43500#(<= ULTIMATE.start_main_~k~5 54), 43501#(<= ULTIMATE.start_main_~k~5 55), 43502#(<= ULTIMATE.start_main_~k~5 56), 43503#(<= ULTIMATE.start_main_~k~5 57), 43504#(<= ULTIMATE.start_main_~k~5 58), 43505#(<= ULTIMATE.start_main_~k~5 59), 43506#(<= ULTIMATE.start_main_~k~5 60), 43507#(<= ULTIMATE.start_main_~k~5 61), 43508#(<= ULTIMATE.start_main_~k~5 62), 43509#(<= ULTIMATE.start_main_~k~5 63), 43510#(<= ULTIMATE.start_main_~k~5 64), 43511#(<= ULTIMATE.start_main_~k~5 65), 43512#(<= ULTIMATE.start_main_~k~5 66), 43513#(<= ULTIMATE.start_main_~k~5 67), 43514#(<= ULTIMATE.start_main_~k~5 68), 43515#(<= ULTIMATE.start_main_~k~5 69), 43516#(<= ULTIMATE.start_main_~k~5 70), 43517#(<= ULTIMATE.start_main_~k~5 71), 43518#(<= ULTIMATE.start_main_~k~5 72), 43519#(<= ULTIMATE.start_main_~k~5 73)] [2018-07-23 13:41:19,364 INFO L134 CoverageAnalysis]: Checked inductivity of 8128 backedges. 0 proven. 8128 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2018-07-23 13:41:19,364 INFO L450 AbstractCegarLoop]: Interpolant automaton has 130 states [2018-07-23 13:41:19,366 INFO L132 InterpolantAutomaton]: Constructing interpolant automaton starting with 130 interpolants. [2018-07-23 13:41:19,367 INFO L133 InterpolantAutomaton]: CoverageRelationStatistics Valid=8385, Invalid=8385, Unknown=0, NotChecked=0, Total=16770 [2018-07-23 13:41:19,367 INFO L87 Difference]: Start difference. First operand 131 states and 131 transitions. Second operand 130 states. [2018-07-23 13:41:19,442 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2018-07-23 13:41:19,443 INFO L93 Difference]: Finished difference Result 134 states and 134 transitions. [2018-07-23 13:41:19,443 INFO L142 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 130 states. [2018-07-23 13:41:19,443 INFO L78 Accepts]: Start accepts. Automaton has 130 states. Word has length 130 [2018-07-23 13:41:19,443 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2018-07-23 13:41:19,444 INFO L225 Difference]: With dead ends: 134 [2018-07-23 13:41:19,444 INFO L226 Difference]: Without dead ends: 132 [2018-07-23 13:41:19,445 INFO L575 BasicCegarLoop]: 0 DeclaredPredicates, 129 GetRequests, 1 SyntacticMatches, 0 SemanticMatches, 128 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 0 ImplicationChecksByTransitivity, 0.4s TimeCoverageRelationStatistics Valid=8385, Invalid=8385, Unknown=0, NotChecked=0, Total=16770 [2018-07-23 13:41:19,445 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 132 states. [2018-07-23 13:41:19,448 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 132 to 132. [2018-07-23 13:41:19,449 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 132 states. [2018-07-23 13:41:19,449 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 132 states to 132 states and 132 transitions. [2018-07-23 13:41:19,449 INFO L78 Accepts]: Start accepts. Automaton has 132 states and 132 transitions. Word has length 130 [2018-07-23 13:41:19,449 INFO L84 Accepts]: Finished accepts. word is rejected. [2018-07-23 13:41:19,449 INFO L471 AbstractCegarLoop]: Abstraction has 132 states and 132 transitions. [2018-07-23 13:41:19,449 INFO L472 AbstractCegarLoop]: Interpolant automaton has 130 states. [2018-07-23 13:41:19,450 INFO L276 IsEmpty]: Start isEmpty. Operand 132 states and 132 transitions. [2018-07-23 13:41:19,450 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 132 [2018-07-23 13:41:19,450 INFO L349 BasicCegarLoop]: Found error trace [2018-07-23 13:41:19,450 INFO L357 BasicCegarLoop]: trace histogram [128, 1, 1, 1] [2018-07-23 13:41:19,450 INFO L414 AbstractCegarLoop]: === Iteration 129 === [ULTIMATE.startErr0AssertViolationASSERT]=== [2018-07-23 13:41:19,451 INFO L82 PathProgramCache]: Analyzing trace with hash -2048479935, now seen corresponding path program 128 times [2018-07-23 13:41:19,451 INFO L69 tionRefinementEngine]: Using refinement strategy FixedRefinementStrategy [2018-07-23 13:41:19,516 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-07-23 13:41:20,320 INFO L134 CoverageAnalysis]: Checked inductivity of 8256 backedges. 0 proven. 8256 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2018-07-23 13:41:20,320 INFO L309 seRefinementStrategy]: Constructing automaton from 0 perfect and 1 imperfect interpolant sequences. [2018-07-23 13:41:20,320 INFO L324 seRefinementStrategy]: Number of different interpolants: perfect sequences [] imperfect sequences [130] total 130 [2018-07-23 13:41:20,320 INFO L142 lantAutomatonBuilder]: Constructing canonical interpolant automaton, with selfloop in false state [2018-07-23 13:41:20,321 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2018-07-23 13:41:20,321 INFO L185 omatonBuilderFactory]: Interpolants [44106#true, 44107#false, 44108#(<= ULTIMATE.start_main_~k~5 0), 44109#(<= ULTIMATE.start_main_~k~5 1), 44110#(<= ULTIMATE.start_main_~k~5 2), 44111#(<= ULTIMATE.start_main_~k~5 3), 44112#(<= ULTIMATE.start_main_~k~5 4), 44113#(<= ULTIMATE.start_main_~k~5 5), 44114#(<= ULTIMATE.start_main_~k~5 6), 44115#(<= ULTIMATE.start_main_~k~5 7), 44116#(<= ULTIMATE.start_main_~k~5 8), 44117#(<= ULTIMATE.start_main_~k~5 9), 44118#(<= ULTIMATE.start_main_~k~5 10), 44119#(<= ULTIMATE.start_main_~k~5 11), 44120#(<= ULTIMATE.start_main_~k~5 12), 44121#(<= ULTIMATE.start_main_~k~5 13), 44122#(<= ULTIMATE.start_main_~k~5 14), 44123#(<= ULTIMATE.start_main_~k~5 15), 44124#(<= ULTIMATE.start_main_~k~5 16), 44125#(<= ULTIMATE.start_main_~k~5 17), 44126#(<= ULTIMATE.start_main_~k~5 18), 44127#(<= ULTIMATE.start_main_~k~5 19), 44128#(<= ULTIMATE.start_main_~k~5 20), 44129#(<= ULTIMATE.start_main_~k~5 21), 44130#(<= ULTIMATE.start_main_~k~5 22), 44131#(<= ULTIMATE.start_main_~k~5 23), 44132#(<= ULTIMATE.start_main_~k~5 24), 44133#(<= ULTIMATE.start_main_~k~5 25), 44134#(<= ULTIMATE.start_main_~k~5 26), 44135#(<= ULTIMATE.start_main_~k~5 27), 44136#(<= ULTIMATE.start_main_~k~5 28), 44137#(<= ULTIMATE.start_main_~k~5 29), 44138#(<= ULTIMATE.start_main_~k~5 30), 44139#(<= ULTIMATE.start_main_~k~5 31), 44140#(<= ULTIMATE.start_main_~k~5 32), 44141#(<= ULTIMATE.start_main_~k~5 33), 44142#(<= ULTIMATE.start_main_~k~5 34), 44143#(<= ULTIMATE.start_main_~k~5 35), 44144#(<= ULTIMATE.start_main_~k~5 36), 44145#(<= ULTIMATE.start_main_~k~5 37), 44146#(<= ULTIMATE.start_main_~k~5 38), 44147#(<= ULTIMATE.start_main_~k~5 39), 44148#(<= ULTIMATE.start_main_~k~5 40), 44149#(<= ULTIMATE.start_main_~k~5 41), 44150#(<= ULTIMATE.start_main_~k~5 42), 44151#(<= ULTIMATE.start_main_~k~5 43), 44152#(<= ULTIMATE.start_main_~k~5 44), 44153#(<= ULTIMATE.start_main_~k~5 45), 44154#(<= ULTIMATE.start_main_~k~5 46), 44155#(<= ULTIMATE.start_main_~k~5 47), 44156#(<= ULTIMATE.start_main_~k~5 48), 44157#(<= ULTIMATE.start_main_~k~5 49), 44158#(<= ULTIMATE.start_main_~k~5 50), 44159#(<= ULTIMATE.start_main_~k~5 51), 44160#(<= ULTIMATE.start_main_~k~5 52), 44161#(<= ULTIMATE.start_main_~k~5 53), 44162#(<= ULTIMATE.start_main_~k~5 54), 44163#(<= ULTIMATE.start_main_~k~5 55), 44164#(<= ULTIMATE.start_main_~k~5 56), 44165#(<= ULTIMATE.start_main_~k~5 57), 44166#(<= ULTIMATE.start_main_~k~5 58), 44167#(<= ULTIMATE.start_main_~k~5 59), 44168#(<= ULTIMATE.start_main_~k~5 60), 44169#(<= ULTIMATE.start_main_~k~5 61), 44170#(<= ULTIMATE.start_main_~k~5 62), 44171#(<= ULTIMATE.start_main_~k~5 63), 44172#(<= ULTIMATE.start_main_~k~5 64), 44173#(<= ULTIMATE.start_main_~k~5 65), 44174#(<= ULTIMATE.start_main_~k~5 66), 44175#(<= ULTIMATE.start_main_~k~5 67), 44176#(<= ULTIMATE.start_main_~k~5 68), 44177#(<= ULTIMATE.start_main_~k~5 69), 44178#(<= ULTIMATE.start_main_~k~5 70), 44179#(<= ULTIMATE.start_main_~k~5 71), 44180#(<= ULTIMATE.start_main_~k~5 72), 44181#(<= ULTIMATE.start_main_~k~5 73), 44182#(<= ULTIMATE.start_main_~k~5 74), 44183#(<= ULTIMATE.start_main_~k~5 75), 44184#(<= ULTIMATE.start_main_~k~5 76), 44185#(<= ULTIMATE.start_main_~k~5 77), 44186#(<= ULTIMATE.start_main_~k~5 78), 44187#(<= ULTIMATE.start_main_~k~5 79), 44188#(<= ULTIMATE.start_main_~k~5 80), 44189#(<= ULTIMATE.start_main_~k~5 81), 44190#(<= ULTIMATE.start_main_~k~5 82), 44191#(<= ULTIMATE.start_main_~k~5 83), 44192#(<= ULTIMATE.start_main_~k~5 84), 44193#(<= ULTIMATE.start_main_~k~5 85), 44194#(<= ULTIMATE.start_main_~k~5 86), 44195#(<= ULTIMATE.start_main_~k~5 87), 44196#(<= ULTIMATE.start_main_~k~5 88), 44197#(<= ULTIMATE.start_main_~k~5 89), 44198#(<= ULTIMATE.start_main_~k~5 90), 44199#(<= ULTIMATE.start_main_~k~5 91), 44200#(<= ULTIMATE.start_main_~k~5 92), 44201#(<= ULTIMATE.start_main_~k~5 93), 44202#(<= ULTIMATE.start_main_~k~5 94), 44203#(<= ULTIMATE.start_main_~k~5 95), 44204#(<= ULTIMATE.start_main_~k~5 96), 44205#(<= ULTIMATE.start_main_~k~5 97), 44206#(<= ULTIMATE.start_main_~k~5 98), 44207#(<= ULTIMATE.start_main_~k~5 99), 44208#(<= ULTIMATE.start_main_~k~5 100), 44209#(<= ULTIMATE.start_main_~k~5 101), 44210#(<= ULTIMATE.start_main_~k~5 102), 44211#(<= ULTIMATE.start_main_~k~5 103), 44212#(<= ULTIMATE.start_main_~k~5 104), 44213#(<= ULTIMATE.start_main_~k~5 105), 44214#(<= ULTIMATE.start_main_~k~5 106), 44215#(<= ULTIMATE.start_main_~k~5 107), 44216#(<= ULTIMATE.start_main_~k~5 108), 44217#(<= ULTIMATE.start_main_~k~5 109), 44218#(<= ULTIMATE.start_main_~k~5 110), 44219#(<= ULTIMATE.start_main_~k~5 111), 44220#(<= ULTIMATE.start_main_~k~5 112), 44221#(<= ULTIMATE.start_main_~k~5 113), 44222#(<= ULTIMATE.start_main_~k~5 114), 44223#(<= ULTIMATE.start_main_~k~5 115), 44224#(<= ULTIMATE.start_main_~k~5 116), 44225#(<= ULTIMATE.start_main_~k~5 117), 44226#(<= ULTIMATE.start_main_~k~5 118), 44227#(<= ULTIMATE.start_main_~k~5 119), 44228#(<= ULTIMATE.start_main_~k~5 120), 44229#(<= ULTIMATE.start_main_~k~5 121), 44230#(<= ULTIMATE.start_main_~k~5 122), 44231#(<= ULTIMATE.start_main_~k~5 123), 44232#(<= ULTIMATE.start_main_~k~5 124), 44233#(<= ULTIMATE.start_main_~k~5 125), 44234#(<= ULTIMATE.start_main_~k~5 126), 44235#(<= ULTIMATE.start_main_~k~5 127), 44236#(<= ULTIMATE.start_main_~k~5 128)] [2018-07-23 13:41:20,321 INFO L134 CoverageAnalysis]: Checked inductivity of 8256 backedges. 0 proven. 8256 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2018-07-23 13:41:20,322 INFO L450 AbstractCegarLoop]: Interpolant automaton has 131 states [2018-07-23 13:41:20,322 INFO L132 InterpolantAutomaton]: Constructing interpolant automaton starting with 131 interpolants. [2018-07-23 13:41:20,323 INFO L133 InterpolantAutomaton]: CoverageRelationStatistics Valid=8515, Invalid=8515, Unknown=0, NotChecked=0, Total=17030 [2018-07-23 13:41:20,323 INFO L87 Difference]: Start difference. First operand 132 states and 132 transitions. Second operand 131 states. [2018-07-23 13:41:20,477 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2018-07-23 13:41:20,477 INFO L93 Difference]: Finished difference Result 135 states and 135 transitions. [2018-07-23 13:41:20,477 INFO L142 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 131 states. [2018-07-23 13:41:20,477 INFO L78 Accepts]: Start accepts. Automaton has 131 states. Word has length 131 [2018-07-23 13:41:20,478 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2018-07-23 13:41:20,478 INFO L225 Difference]: With dead ends: 135 [2018-07-23 13:41:20,478 INFO L226 Difference]: Without dead ends: 133 [2018-07-23 13:41:20,479 INFO L575 BasicCegarLoop]: 0 DeclaredPredicates, 130 GetRequests, 1 SyntacticMatches, 0 SemanticMatches, 129 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 0 ImplicationChecksByTransitivity, 0.7s TimeCoverageRelationStatistics Valid=8515, Invalid=8515, Unknown=0, NotChecked=0, Total=17030 [2018-07-23 13:41:20,479 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 133 states. [2018-07-23 13:41:20,481 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 133 to 133. [2018-07-23 13:41:20,481 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 133 states. [2018-07-23 13:41:20,481 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 133 states to 133 states and 133 transitions. [2018-07-23 13:41:20,481 INFO L78 Accepts]: Start accepts. Automaton has 133 states and 133 transitions. Word has length 131 [2018-07-23 13:41:20,481 INFO L84 Accepts]: Finished accepts. word is rejected. [2018-07-23 13:41:20,481 INFO L471 AbstractCegarLoop]: Abstraction has 133 states and 133 transitions. [2018-07-23 13:41:20,482 INFO L472 AbstractCegarLoop]: Interpolant automaton has 131 states. [2018-07-23 13:41:20,482 INFO L276 IsEmpty]: Start isEmpty. Operand 133 states and 133 transitions. [2018-07-23 13:41:20,482 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 133 [2018-07-23 13:41:20,482 INFO L349 BasicCegarLoop]: Found error trace [2018-07-23 13:41:20,482 INFO L357 BasicCegarLoop]: trace histogram [129, 1, 1, 1] [2018-07-23 13:41:20,482 INFO L414 AbstractCegarLoop]: === Iteration 130 === [ULTIMATE.startErr0AssertViolationASSERT]=== [2018-07-23 13:41:20,482 INFO L82 PathProgramCache]: Analyzing trace with hash 921629480, now seen corresponding path program 129 times [2018-07-23 13:41:20,482 INFO L69 tionRefinementEngine]: Using refinement strategy FixedRefinementStrategy [2018-07-23 13:41:20,514 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-07-23 13:41:20,909 INFO L134 CoverageAnalysis]: Checked inductivity of 8385 backedges. 0 proven. 8385 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2018-07-23 13:41:20,909 INFO L309 seRefinementStrategy]: Constructing automaton from 0 perfect and 1 imperfect interpolant sequences. [2018-07-23 13:41:20,910 INFO L324 seRefinementStrategy]: Number of different interpolants: perfect sequences [] imperfect sequences [131] total 131 [2018-07-23 13:41:20,910 INFO L142 lantAutomatonBuilder]: Constructing canonical interpolant automaton, with selfloop in false state [2018-07-23 13:41:20,910 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 13:41:20,910 INFO L185 omatonBuilderFactory]: Interpolants [44800#(<= ULTIMATE.start_main_~k~5 25), 44801#(<= ULTIMATE.start_main_~k~5 26), 44802#(<= ULTIMATE.start_main_~k~5 27), 44803#(<= ULTIMATE.start_main_~k~5 28), 44804#(<= ULTIMATE.start_main_~k~5 29), 44805#(<= ULTIMATE.start_main_~k~5 30), 44806#(<= ULTIMATE.start_main_~k~5 31), 44807#(<= ULTIMATE.start_main_~k~5 32), 44808#(<= ULTIMATE.start_main_~k~5 33), 44809#(<= ULTIMATE.start_main_~k~5 34), 44810#(<= ULTIMATE.start_main_~k~5 35), 44811#(<= ULTIMATE.start_main_~k~5 36), 44812#(<= ULTIMATE.start_main_~k~5 37), 44813#(<= ULTIMATE.start_main_~k~5 38), 44814#(<= ULTIMATE.start_main_~k~5 39), 44815#(<= ULTIMATE.start_main_~k~5 40), 44816#(<= ULTIMATE.start_main_~k~5 41), 44817#(<= ULTIMATE.start_main_~k~5 42), 44818#(<= ULTIMATE.start_main_~k~5 43), 44819#(<= ULTIMATE.start_main_~k~5 44), 44820#(<= ULTIMATE.start_main_~k~5 45), 44821#(<= ULTIMATE.start_main_~k~5 46), 44822#(<= ULTIMATE.start_main_~k~5 47), 44823#(<= ULTIMATE.start_main_~k~5 48), 44824#(<= ULTIMATE.start_main_~k~5 49), 44825#(<= ULTIMATE.start_main_~k~5 50), 44826#(<= ULTIMATE.start_main_~k~5 51), 44827#(<= ULTIMATE.start_main_~k~5 52), 44828#(<= ULTIMATE.start_main_~k~5 53), 44829#(<= ULTIMATE.start_main_~k~5 54), 44830#(<= ULTIMATE.start_main_~k~5 55), 44831#(<= ULTIMATE.start_main_~k~5 56), 44832#(<= ULTIMATE.start_main_~k~5 57), 44833#(<= ULTIMATE.start_main_~k~5 58), 44834#(<= ULTIMATE.start_main_~k~5 59), 44835#(<= ULTIMATE.start_main_~k~5 60), 44836#(<= ULTIMATE.start_main_~k~5 61), 44837#(<= ULTIMATE.start_main_~k~5 62), 44838#(<= ULTIMATE.start_main_~k~5 63), 44839#(<= ULTIMATE.start_main_~k~5 64), 44840#(<= ULTIMATE.start_main_~k~5 65), 44841#(<= ULTIMATE.start_main_~k~5 66), 44842#(<= ULTIMATE.start_main_~k~5 67), 44843#(<= ULTIMATE.start_main_~k~5 68), 44844#(<= ULTIMATE.start_main_~k~5 69), 44845#(<= ULTIMATE.start_main_~k~5 70), 44846#(<= ULTIMATE.start_main_~k~5 71), 44847#(<= ULTIMATE.start_main_~k~5 72), 44848#(<= ULTIMATE.start_main_~k~5 73), 44849#(<= ULTIMATE.start_main_~k~5 74), 44850#(<= ULTIMATE.start_main_~k~5 75), 44851#(<= ULTIMATE.start_main_~k~5 76), 44852#(<= ULTIMATE.start_main_~k~5 77), 44853#(<= ULTIMATE.start_main_~k~5 78), 44854#(<= ULTIMATE.start_main_~k~5 79), 44855#(<= ULTIMATE.start_main_~k~5 80), 44856#(<= ULTIMATE.start_main_~k~5 81), 44857#(<= ULTIMATE.start_main_~k~5 82), 44858#(<= ULTIMATE.start_main_~k~5 83), 44859#(<= ULTIMATE.start_main_~k~5 84), 44860#(<= ULTIMATE.start_main_~k~5 85), 44861#(<= ULTIMATE.start_main_~k~5 86), 44862#(<= ULTIMATE.start_main_~k~5 87), 44863#(<= ULTIMATE.start_main_~k~5 88), 44864#(<= ULTIMATE.start_main_~k~5 89), 44865#(<= ULTIMATE.start_main_~k~5 90), 44866#(<= ULTIMATE.start_main_~k~5 91), 44867#(<= ULTIMATE.start_main_~k~5 92), 44868#(<= ULTIMATE.start_main_~k~5 93), 44869#(<= ULTIMATE.start_main_~k~5 94), 44870#(<= ULTIMATE.start_main_~k~5 95), 44871#(<= ULTIMATE.start_main_~k~5 96), 44872#(<= ULTIMATE.start_main_~k~5 97), 44873#(<= ULTIMATE.start_main_~k~5 98), 44874#(<= ULTIMATE.start_main_~k~5 99), 44875#(<= ULTIMATE.start_main_~k~5 100), 44876#(<= ULTIMATE.start_main_~k~5 101), 44877#(<= ULTIMATE.start_main_~k~5 102), 44878#(<= ULTIMATE.start_main_~k~5 103), 44879#(<= ULTIMATE.start_main_~k~5 104), 44880#(<= ULTIMATE.start_main_~k~5 105), 44881#(<= ULTIMATE.start_main_~k~5 106), 44882#(<= ULTIMATE.start_main_~k~5 107), 44883#(<= ULTIMATE.start_main_~k~5 108), 44884#(<= ULTIMATE.start_main_~k~5 109), 44885#(<= ULTIMATE.start_main_~k~5 110), 44886#(<= ULTIMATE.start_main_~k~5 111), 44887#(<= ULTIMATE.start_main_~k~5 112), 44888#(<= ULTIMATE.start_main_~k~5 113), 44889#(<= ULTIMATE.start_main_~k~5 114), 44890#(<= ULTIMATE.start_main_~k~5 115), 44891#(<= ULTIMATE.start_main_~k~5 116), 44892#(<= ULTIMATE.start_main_~k~5 117), 44893#(<= ULTIMATE.start_main_~k~5 118), 44894#(<= ULTIMATE.start_main_~k~5 119), 44895#(<= ULTIMATE.start_main_~k~5 120), 44896#(<= ULTIMATE.start_main_~k~5 121), 44897#(<= ULTIMATE.start_main_~k~5 122), 44898#(<= ULTIMATE.start_main_~k~5 123), 44899#(<= ULTIMATE.start_main_~k~5 124), 44900#(<= ULTIMATE.start_main_~k~5 125), 44901#(<= ULTIMATE.start_main_~k~5 126), 44902#(<= ULTIMATE.start_main_~k~5 127), 44903#(<= ULTIMATE.start_main_~k~5 128), 44904#(<= ULTIMATE.start_main_~k~5 129), 44773#true, 44774#false, 44775#(<= ULTIMATE.start_main_~k~5 0), 44776#(<= ULTIMATE.start_main_~k~5 1), 44777#(<= ULTIMATE.start_main_~k~5 2), 44778#(<= ULTIMATE.start_main_~k~5 3), 44779#(<= ULTIMATE.start_main_~k~5 4), 44780#(<= ULTIMATE.start_main_~k~5 5), 44781#(<= ULTIMATE.start_main_~k~5 6), 44782#(<= ULTIMATE.start_main_~k~5 7), 44783#(<= ULTIMATE.start_main_~k~5 8), 44784#(<= ULTIMATE.start_main_~k~5 9), 44785#(<= ULTIMATE.start_main_~k~5 10), 44786#(<= ULTIMATE.start_main_~k~5 11), 44787#(<= ULTIMATE.start_main_~k~5 12), 44788#(<= ULTIMATE.start_main_~k~5 13), 44789#(<= ULTIMATE.start_main_~k~5 14), 44790#(<= ULTIMATE.start_main_~k~5 15), 44791#(<= ULTIMATE.start_main_~k~5 16), 44792#(<= ULTIMATE.start_main_~k~5 17), 44793#(<= ULTIMATE.start_main_~k~5 18), 44794#(<= ULTIMATE.start_main_~k~5 19), 44795#(<= ULTIMATE.start_main_~k~5 20), 44796#(<= ULTIMATE.start_main_~k~5 21), 44797#(<= ULTIMATE.start_main_~k~5 22), 44798#(<= ULTIMATE.start_main_~k~5 23), 44799#(<= ULTIMATE.start_main_~k~5 24)] [2018-07-23 13:41:20,911 INFO L134 CoverageAnalysis]: Checked inductivity of 8385 backedges. 0 proven. 8385 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2018-07-23 13:41:20,911 INFO L450 AbstractCegarLoop]: Interpolant automaton has 132 states [2018-07-23 13:41:20,912 INFO L132 InterpolantAutomaton]: Constructing interpolant automaton starting with 132 interpolants. [2018-07-23 13:41:20,913 INFO L133 InterpolantAutomaton]: CoverageRelationStatistics Valid=8646, Invalid=8646, Unknown=0, NotChecked=0, Total=17292 [2018-07-23 13:41:20,913 INFO L87 Difference]: Start difference. First operand 133 states and 133 transitions. Second operand 132 states. [2018-07-23 13:41:21,069 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2018-07-23 13:41:21,069 INFO L93 Difference]: Finished difference Result 136 states and 136 transitions. [2018-07-23 13:41:21,069 INFO L142 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 132 states. [2018-07-23 13:41:21,070 INFO L78 Accepts]: Start accepts. Automaton has 132 states. Word has length 132 [2018-07-23 13:41:21,070 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2018-07-23 13:41:21,070 INFO L225 Difference]: With dead ends: 136 [2018-07-23 13:41:21,070 INFO L226 Difference]: Without dead ends: 134 [2018-07-23 13:41:21,071 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 13:41:21,071 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 134 states. [2018-07-23 13:41:21,073 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 134 to 134. [2018-07-23 13:41:21,073 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 134 states. [2018-07-23 13:41:21,074 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 134 states to 134 states and 134 transitions. [2018-07-23 13:41:21,074 INFO L78 Accepts]: Start accepts. Automaton has 134 states and 134 transitions. Word has length 132 [2018-07-23 13:41:21,074 INFO L84 Accepts]: Finished accepts. word is rejected. [2018-07-23 13:41:21,074 INFO L471 AbstractCegarLoop]: Abstraction has 134 states and 134 transitions. [2018-07-23 13:41:21,074 INFO L472 AbstractCegarLoop]: Interpolant automaton has 132 states. [2018-07-23 13:41:21,074 INFO L276 IsEmpty]: Start isEmpty. Operand 134 states and 134 transitions. [2018-07-23 13:41:21,075 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 134 [2018-07-23 13:41:21,075 INFO L349 BasicCegarLoop]: Found error trace [2018-07-23 13:41:21,075 INFO L357 BasicCegarLoop]: trace histogram [130, 1, 1, 1] [2018-07-23 13:41:21,075 INFO L414 AbstractCegarLoop]: === Iteration 131 === [ULTIMATE.startErr0AssertViolationASSERT]=== [2018-07-23 13:41:21,075 INFO L82 PathProgramCache]: Analyzing trace with hash -1494259167, now seen corresponding path program 130 times [2018-07-23 13:41:21,075 INFO L69 tionRefinementEngine]: Using refinement strategy FixedRefinementStrategy [2018-07-23 13:41:21,112 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-07-23 13:41:21,535 INFO L134 CoverageAnalysis]: Checked inductivity of 8515 backedges. 0 proven. 8515 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2018-07-23 13:41:21,535 INFO L309 seRefinementStrategy]: Constructing automaton from 0 perfect and 1 imperfect interpolant sequences. [2018-07-23 13:41:21,535 INFO L324 seRefinementStrategy]: Number of different interpolants: perfect sequences [] imperfect sequences [132] total 132 [2018-07-23 13:41:21,535 INFO L142 lantAutomatonBuilder]: Constructing canonical interpolant automaton, with selfloop in false state [2018-07-23 13:41:21,535 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2018-07-23 13:41:21,536 INFO L185 omatonBuilderFactory]: Interpolants [45568#(<= ULTIMATE.start_main_~k~5 121), 45569#(<= ULTIMATE.start_main_~k~5 122), 45570#(<= ULTIMATE.start_main_~k~5 123), 45571#(<= ULTIMATE.start_main_~k~5 124), 45572#(<= ULTIMATE.start_main_~k~5 125), 45573#(<= ULTIMATE.start_main_~k~5 126), 45574#(<= ULTIMATE.start_main_~k~5 127), 45575#(<= ULTIMATE.start_main_~k~5 128), 45576#(<= ULTIMATE.start_main_~k~5 129), 45577#(<= ULTIMATE.start_main_~k~5 130), 45445#true, 45446#false, 45447#(<= ULTIMATE.start_main_~k~5 0), 45448#(<= ULTIMATE.start_main_~k~5 1), 45449#(<= ULTIMATE.start_main_~k~5 2), 45450#(<= ULTIMATE.start_main_~k~5 3), 45451#(<= ULTIMATE.start_main_~k~5 4), 45452#(<= ULTIMATE.start_main_~k~5 5), 45453#(<= ULTIMATE.start_main_~k~5 6), 45454#(<= ULTIMATE.start_main_~k~5 7), 45455#(<= ULTIMATE.start_main_~k~5 8), 45456#(<= ULTIMATE.start_main_~k~5 9), 45457#(<= ULTIMATE.start_main_~k~5 10), 45458#(<= ULTIMATE.start_main_~k~5 11), 45459#(<= ULTIMATE.start_main_~k~5 12), 45460#(<= ULTIMATE.start_main_~k~5 13), 45461#(<= ULTIMATE.start_main_~k~5 14), 45462#(<= ULTIMATE.start_main_~k~5 15), 45463#(<= ULTIMATE.start_main_~k~5 16), 45464#(<= ULTIMATE.start_main_~k~5 17), 45465#(<= ULTIMATE.start_main_~k~5 18), 45466#(<= ULTIMATE.start_main_~k~5 19), 45467#(<= ULTIMATE.start_main_~k~5 20), 45468#(<= ULTIMATE.start_main_~k~5 21), 45469#(<= ULTIMATE.start_main_~k~5 22), 45470#(<= ULTIMATE.start_main_~k~5 23), 45471#(<= ULTIMATE.start_main_~k~5 24), 45472#(<= ULTIMATE.start_main_~k~5 25), 45473#(<= ULTIMATE.start_main_~k~5 26), 45474#(<= ULTIMATE.start_main_~k~5 27), 45475#(<= ULTIMATE.start_main_~k~5 28), 45476#(<= ULTIMATE.start_main_~k~5 29), 45477#(<= ULTIMATE.start_main_~k~5 30), 45478#(<= ULTIMATE.start_main_~k~5 31), 45479#(<= ULTIMATE.start_main_~k~5 32), 45480#(<= ULTIMATE.start_main_~k~5 33), 45481#(<= ULTIMATE.start_main_~k~5 34), 45482#(<= ULTIMATE.start_main_~k~5 35), 45483#(<= ULTIMATE.start_main_~k~5 36), 45484#(<= ULTIMATE.start_main_~k~5 37), 45485#(<= ULTIMATE.start_main_~k~5 38), 45486#(<= ULTIMATE.start_main_~k~5 39), 45487#(<= ULTIMATE.start_main_~k~5 40), 45488#(<= ULTIMATE.start_main_~k~5 41), 45489#(<= ULTIMATE.start_main_~k~5 42), 45490#(<= ULTIMATE.start_main_~k~5 43), 45491#(<= ULTIMATE.start_main_~k~5 44), 45492#(<= ULTIMATE.start_main_~k~5 45), 45493#(<= ULTIMATE.start_main_~k~5 46), 45494#(<= ULTIMATE.start_main_~k~5 47), 45495#(<= ULTIMATE.start_main_~k~5 48), 45496#(<= ULTIMATE.start_main_~k~5 49), 45497#(<= ULTIMATE.start_main_~k~5 50), 45498#(<= ULTIMATE.start_main_~k~5 51), 45499#(<= ULTIMATE.start_main_~k~5 52), 45500#(<= ULTIMATE.start_main_~k~5 53), 45501#(<= ULTIMATE.start_main_~k~5 54), 45502#(<= ULTIMATE.start_main_~k~5 55), 45503#(<= ULTIMATE.start_main_~k~5 56), 45504#(<= ULTIMATE.start_main_~k~5 57), 45505#(<= ULTIMATE.start_main_~k~5 58), 45506#(<= ULTIMATE.start_main_~k~5 59), 45507#(<= ULTIMATE.start_main_~k~5 60), 45508#(<= ULTIMATE.start_main_~k~5 61), 45509#(<= ULTIMATE.start_main_~k~5 62), 45510#(<= ULTIMATE.start_main_~k~5 63), 45511#(<= ULTIMATE.start_main_~k~5 64), 45512#(<= ULTIMATE.start_main_~k~5 65), 45513#(<= ULTIMATE.start_main_~k~5 66), 45514#(<= ULTIMATE.start_main_~k~5 67), 45515#(<= ULTIMATE.start_main_~k~5 68), 45516#(<= ULTIMATE.start_main_~k~5 69), 45517#(<= ULTIMATE.start_main_~k~5 70), 45518#(<= ULTIMATE.start_main_~k~5 71), 45519#(<= ULTIMATE.start_main_~k~5 72), 45520#(<= ULTIMATE.start_main_~k~5 73), 45521#(<= ULTIMATE.start_main_~k~5 74), 45522#(<= ULTIMATE.start_main_~k~5 75), 45523#(<= ULTIMATE.start_main_~k~5 76), 45524#(<= ULTIMATE.start_main_~k~5 77), 45525#(<= ULTIMATE.start_main_~k~5 78), 45526#(<= ULTIMATE.start_main_~k~5 79), 45527#(<= ULTIMATE.start_main_~k~5 80), 45528#(<= ULTIMATE.start_main_~k~5 81), 45529#(<= ULTIMATE.start_main_~k~5 82), 45530#(<= ULTIMATE.start_main_~k~5 83), 45531#(<= ULTIMATE.start_main_~k~5 84), 45532#(<= ULTIMATE.start_main_~k~5 85), 45533#(<= ULTIMATE.start_main_~k~5 86), 45534#(<= ULTIMATE.start_main_~k~5 87), 45535#(<= ULTIMATE.start_main_~k~5 88), 45536#(<= ULTIMATE.start_main_~k~5 89), 45537#(<= ULTIMATE.start_main_~k~5 90), 45538#(<= ULTIMATE.start_main_~k~5 91), 45539#(<= ULTIMATE.start_main_~k~5 92), 45540#(<= ULTIMATE.start_main_~k~5 93), 45541#(<= ULTIMATE.start_main_~k~5 94), 45542#(<= ULTIMATE.start_main_~k~5 95), 45543#(<= ULTIMATE.start_main_~k~5 96), 45544#(<= ULTIMATE.start_main_~k~5 97), 45545#(<= ULTIMATE.start_main_~k~5 98), 45546#(<= ULTIMATE.start_main_~k~5 99), 45547#(<= ULTIMATE.start_main_~k~5 100), 45548#(<= ULTIMATE.start_main_~k~5 101), 45549#(<= ULTIMATE.start_main_~k~5 102), 45550#(<= ULTIMATE.start_main_~k~5 103), 45551#(<= ULTIMATE.start_main_~k~5 104), 45552#(<= ULTIMATE.start_main_~k~5 105), 45553#(<= ULTIMATE.start_main_~k~5 106), 45554#(<= ULTIMATE.start_main_~k~5 107), 45555#(<= ULTIMATE.start_main_~k~5 108), 45556#(<= ULTIMATE.start_main_~k~5 109), 45557#(<= ULTIMATE.start_main_~k~5 110), 45558#(<= ULTIMATE.start_main_~k~5 111), 45559#(<= ULTIMATE.start_main_~k~5 112), 45560#(<= ULTIMATE.start_main_~k~5 113), 45561#(<= ULTIMATE.start_main_~k~5 114), 45562#(<= ULTIMATE.start_main_~k~5 115), 45563#(<= ULTIMATE.start_main_~k~5 116), 45564#(<= ULTIMATE.start_main_~k~5 117), 45565#(<= ULTIMATE.start_main_~k~5 118), 45566#(<= ULTIMATE.start_main_~k~5 119), 45567#(<= ULTIMATE.start_main_~k~5 120)] [2018-07-23 13:41:21,536 INFO L134 CoverageAnalysis]: Checked inductivity of 8515 backedges. 0 proven. 8515 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2018-07-23 13:41:21,536 INFO L450 AbstractCegarLoop]: Interpolant automaton has 133 states [2018-07-23 13:41:21,537 INFO L132 InterpolantAutomaton]: Constructing interpolant automaton starting with 133 interpolants. [2018-07-23 13:41:21,538 INFO L133 InterpolantAutomaton]: CoverageRelationStatistics Valid=8778, Invalid=8778, Unknown=0, NotChecked=0, Total=17556 [2018-07-23 13:41:21,538 INFO L87 Difference]: Start difference. First operand 134 states and 134 transitions. Second operand 133 states. [2018-07-23 13:41:21,727 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2018-07-23 13:41:21,727 INFO L93 Difference]: Finished difference Result 137 states and 137 transitions. [2018-07-23 13:41:21,727 INFO L142 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 133 states. [2018-07-23 13:41:21,727 INFO L78 Accepts]: Start accepts. Automaton has 133 states. Word has length 133 [2018-07-23 13:41:21,727 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2018-07-23 13:41:21,728 INFO L225 Difference]: With dead ends: 137 [2018-07-23 13:41:21,728 INFO L226 Difference]: Without dead ends: 135 [2018-07-23 13:41:21,729 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 13:41:21,729 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 135 states. [2018-07-23 13:41:21,730 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 135 to 135. [2018-07-23 13:41:21,730 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 135 states. [2018-07-23 13:41:21,731 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 135 states to 135 states and 135 transitions. [2018-07-23 13:41:21,731 INFO L78 Accepts]: Start accepts. Automaton has 135 states and 135 transitions. Word has length 133 [2018-07-23 13:41:21,731 INFO L84 Accepts]: Finished accepts. word is rejected. [2018-07-23 13:41:21,731 INFO L471 AbstractCegarLoop]: Abstraction has 135 states and 135 transitions. [2018-07-23 13:41:21,731 INFO L472 AbstractCegarLoop]: Interpolant automaton has 133 states. [2018-07-23 13:41:21,731 INFO L276 IsEmpty]: Start isEmpty. Operand 135 states and 135 transitions. [2018-07-23 13:41:21,731 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 135 [2018-07-23 13:41:21,731 INFO L349 BasicCegarLoop]: Found error trace [2018-07-23 13:41:21,732 INFO L357 BasicCegarLoop]: trace histogram [131, 1, 1, 1] [2018-07-23 13:41:21,732 INFO L414 AbstractCegarLoop]: === Iteration 132 === [ULTIMATE.startErr0AssertViolationASSERT]=== [2018-07-23 13:41:21,732 INFO L82 PathProgramCache]: Analyzing trace with hash 922604104, now seen corresponding path program 131 times [2018-07-23 13:41:21,732 INFO L69 tionRefinementEngine]: Using refinement strategy FixedRefinementStrategy [2018-07-23 13:41:21,776 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-07-23 13:41:22,211 INFO L134 CoverageAnalysis]: Checked inductivity of 8646 backedges. 0 proven. 8646 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2018-07-23 13:41:22,212 INFO L309 seRefinementStrategy]: Constructing automaton from 0 perfect and 1 imperfect interpolant sequences. [2018-07-23 13:41:22,212 INFO L324 seRefinementStrategy]: Number of different interpolants: perfect sequences [] imperfect sequences [133] total 133 [2018-07-23 13:41:22,212 INFO L142 lantAutomatonBuilder]: Constructing canonical interpolant automaton, with selfloop in false state [2018-07-23 13:41:22,212 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2018-07-23 13:41:22,213 INFO L185 omatonBuilderFactory]: Interpolants [46122#true, 46123#false, 46124#(<= ULTIMATE.start_main_~k~5 0), 46125#(<= ULTIMATE.start_main_~k~5 1), 46126#(<= ULTIMATE.start_main_~k~5 2), 46127#(<= ULTIMATE.start_main_~k~5 3), 46128#(<= ULTIMATE.start_main_~k~5 4), 46129#(<= ULTIMATE.start_main_~k~5 5), 46130#(<= ULTIMATE.start_main_~k~5 6), 46131#(<= ULTIMATE.start_main_~k~5 7), 46132#(<= ULTIMATE.start_main_~k~5 8), 46133#(<= ULTIMATE.start_main_~k~5 9), 46134#(<= ULTIMATE.start_main_~k~5 10), 46135#(<= ULTIMATE.start_main_~k~5 11), 46136#(<= ULTIMATE.start_main_~k~5 12), 46137#(<= ULTIMATE.start_main_~k~5 13), 46138#(<= ULTIMATE.start_main_~k~5 14), 46139#(<= ULTIMATE.start_main_~k~5 15), 46140#(<= ULTIMATE.start_main_~k~5 16), 46141#(<= ULTIMATE.start_main_~k~5 17), 46142#(<= ULTIMATE.start_main_~k~5 18), 46143#(<= ULTIMATE.start_main_~k~5 19), 46144#(<= ULTIMATE.start_main_~k~5 20), 46145#(<= ULTIMATE.start_main_~k~5 21), 46146#(<= ULTIMATE.start_main_~k~5 22), 46147#(<= ULTIMATE.start_main_~k~5 23), 46148#(<= ULTIMATE.start_main_~k~5 24), 46149#(<= ULTIMATE.start_main_~k~5 25), 46150#(<= ULTIMATE.start_main_~k~5 26), 46151#(<= ULTIMATE.start_main_~k~5 27), 46152#(<= ULTIMATE.start_main_~k~5 28), 46153#(<= ULTIMATE.start_main_~k~5 29), 46154#(<= ULTIMATE.start_main_~k~5 30), 46155#(<= ULTIMATE.start_main_~k~5 31), 46156#(<= ULTIMATE.start_main_~k~5 32), 46157#(<= ULTIMATE.start_main_~k~5 33), 46158#(<= ULTIMATE.start_main_~k~5 34), 46159#(<= ULTIMATE.start_main_~k~5 35), 46160#(<= ULTIMATE.start_main_~k~5 36), 46161#(<= ULTIMATE.start_main_~k~5 37), 46162#(<= ULTIMATE.start_main_~k~5 38), 46163#(<= ULTIMATE.start_main_~k~5 39), 46164#(<= ULTIMATE.start_main_~k~5 40), 46165#(<= ULTIMATE.start_main_~k~5 41), 46166#(<= ULTIMATE.start_main_~k~5 42), 46167#(<= ULTIMATE.start_main_~k~5 43), 46168#(<= ULTIMATE.start_main_~k~5 44), 46169#(<= ULTIMATE.start_main_~k~5 45), 46170#(<= ULTIMATE.start_main_~k~5 46), 46171#(<= ULTIMATE.start_main_~k~5 47), 46172#(<= ULTIMATE.start_main_~k~5 48), 46173#(<= ULTIMATE.start_main_~k~5 49), 46174#(<= ULTIMATE.start_main_~k~5 50), 46175#(<= ULTIMATE.start_main_~k~5 51), 46176#(<= ULTIMATE.start_main_~k~5 52), 46177#(<= ULTIMATE.start_main_~k~5 53), 46178#(<= ULTIMATE.start_main_~k~5 54), 46179#(<= ULTIMATE.start_main_~k~5 55), 46180#(<= ULTIMATE.start_main_~k~5 56), 46181#(<= ULTIMATE.start_main_~k~5 57), 46182#(<= ULTIMATE.start_main_~k~5 58), 46183#(<= ULTIMATE.start_main_~k~5 59), 46184#(<= ULTIMATE.start_main_~k~5 60), 46185#(<= ULTIMATE.start_main_~k~5 61), 46186#(<= ULTIMATE.start_main_~k~5 62), 46187#(<= ULTIMATE.start_main_~k~5 63), 46188#(<= ULTIMATE.start_main_~k~5 64), 46189#(<= ULTIMATE.start_main_~k~5 65), 46190#(<= ULTIMATE.start_main_~k~5 66), 46191#(<= ULTIMATE.start_main_~k~5 67), 46192#(<= ULTIMATE.start_main_~k~5 68), 46193#(<= ULTIMATE.start_main_~k~5 69), 46194#(<= ULTIMATE.start_main_~k~5 70), 46195#(<= ULTIMATE.start_main_~k~5 71), 46196#(<= ULTIMATE.start_main_~k~5 72), 46197#(<= ULTIMATE.start_main_~k~5 73), 46198#(<= ULTIMATE.start_main_~k~5 74), 46199#(<= ULTIMATE.start_main_~k~5 75), 46200#(<= ULTIMATE.start_main_~k~5 76), 46201#(<= ULTIMATE.start_main_~k~5 77), 46202#(<= ULTIMATE.start_main_~k~5 78), 46203#(<= ULTIMATE.start_main_~k~5 79), 46204#(<= ULTIMATE.start_main_~k~5 80), 46205#(<= ULTIMATE.start_main_~k~5 81), 46206#(<= ULTIMATE.start_main_~k~5 82), 46207#(<= ULTIMATE.start_main_~k~5 83), 46208#(<= ULTIMATE.start_main_~k~5 84), 46209#(<= ULTIMATE.start_main_~k~5 85), 46210#(<= ULTIMATE.start_main_~k~5 86), 46211#(<= ULTIMATE.start_main_~k~5 87), 46212#(<= ULTIMATE.start_main_~k~5 88), 46213#(<= ULTIMATE.start_main_~k~5 89), 46214#(<= ULTIMATE.start_main_~k~5 90), 46215#(<= ULTIMATE.start_main_~k~5 91), 46216#(<= ULTIMATE.start_main_~k~5 92), 46217#(<= ULTIMATE.start_main_~k~5 93), 46218#(<= ULTIMATE.start_main_~k~5 94), 46219#(<= ULTIMATE.start_main_~k~5 95), 46220#(<= ULTIMATE.start_main_~k~5 96), 46221#(<= ULTIMATE.start_main_~k~5 97), 46222#(<= ULTIMATE.start_main_~k~5 98), 46223#(<= ULTIMATE.start_main_~k~5 99), 46224#(<= ULTIMATE.start_main_~k~5 100), 46225#(<= ULTIMATE.start_main_~k~5 101), 46226#(<= ULTIMATE.start_main_~k~5 102), 46227#(<= ULTIMATE.start_main_~k~5 103), 46228#(<= ULTIMATE.start_main_~k~5 104), 46229#(<= ULTIMATE.start_main_~k~5 105), 46230#(<= ULTIMATE.start_main_~k~5 106), 46231#(<= ULTIMATE.start_main_~k~5 107), 46232#(<= ULTIMATE.start_main_~k~5 108), 46233#(<= ULTIMATE.start_main_~k~5 109), 46234#(<= ULTIMATE.start_main_~k~5 110), 46235#(<= ULTIMATE.start_main_~k~5 111), 46236#(<= ULTIMATE.start_main_~k~5 112), 46237#(<= ULTIMATE.start_main_~k~5 113), 46238#(<= ULTIMATE.start_main_~k~5 114), 46239#(<= ULTIMATE.start_main_~k~5 115), 46240#(<= ULTIMATE.start_main_~k~5 116), 46241#(<= ULTIMATE.start_main_~k~5 117), 46242#(<= ULTIMATE.start_main_~k~5 118), 46243#(<= ULTIMATE.start_main_~k~5 119), 46244#(<= ULTIMATE.start_main_~k~5 120), 46245#(<= ULTIMATE.start_main_~k~5 121), 46246#(<= ULTIMATE.start_main_~k~5 122), 46247#(<= ULTIMATE.start_main_~k~5 123), 46248#(<= ULTIMATE.start_main_~k~5 124), 46249#(<= ULTIMATE.start_main_~k~5 125), 46250#(<= ULTIMATE.start_main_~k~5 126), 46251#(<= ULTIMATE.start_main_~k~5 127), 46252#(<= ULTIMATE.start_main_~k~5 128), 46253#(<= ULTIMATE.start_main_~k~5 129), 46254#(<= ULTIMATE.start_main_~k~5 130), 46255#(<= ULTIMATE.start_main_~k~5 131)] [2018-07-23 13:41:22,213 INFO L134 CoverageAnalysis]: Checked inductivity of 8646 backedges. 0 proven. 8646 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2018-07-23 13:41:22,213 INFO L450 AbstractCegarLoop]: Interpolant automaton has 134 states [2018-07-23 13:41:22,215 INFO L132 InterpolantAutomaton]: Constructing interpolant automaton starting with 134 interpolants. [2018-07-23 13:41:22,216 INFO L133 InterpolantAutomaton]: CoverageRelationStatistics Valid=8911, Invalid=8911, Unknown=0, NotChecked=0, Total=17822 [2018-07-23 13:41:22,216 INFO L87 Difference]: Start difference. First operand 135 states and 135 transitions. Second operand 134 states. [2018-07-23 13:41:22,406 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2018-07-23 13:41:22,406 INFO L93 Difference]: Finished difference Result 138 states and 138 transitions. [2018-07-23 13:41:22,407 INFO L142 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 134 states. [2018-07-23 13:41:22,407 INFO L78 Accepts]: Start accepts. Automaton has 134 states. Word has length 134 [2018-07-23 13:41:22,407 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2018-07-23 13:41:22,407 INFO L225 Difference]: With dead ends: 138 [2018-07-23 13:41:22,407 INFO L226 Difference]: Without dead ends: 136 [2018-07-23 13:41:22,408 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 13:41:22,409 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 136 states. [2018-07-23 13:41:22,412 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 136 to 136. [2018-07-23 13:41:22,412 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 136 states. [2018-07-23 13:41:22,412 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 136 states to 136 states and 136 transitions. [2018-07-23 13:41:22,412 INFO L78 Accepts]: Start accepts. Automaton has 136 states and 136 transitions. Word has length 134 [2018-07-23 13:41:22,413 INFO L84 Accepts]: Finished accepts. word is rejected. [2018-07-23 13:41:22,413 INFO L471 AbstractCegarLoop]: Abstraction has 136 states and 136 transitions. [2018-07-23 13:41:22,413 INFO L472 AbstractCegarLoop]: Interpolant automaton has 134 states. [2018-07-23 13:41:22,413 INFO L276 IsEmpty]: Start isEmpty. Operand 136 states and 136 transitions. [2018-07-23 13:41:22,413 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 136 [2018-07-23 13:41:22,413 INFO L349 BasicCegarLoop]: Found error trace [2018-07-23 13:41:22,414 INFO L357 BasicCegarLoop]: trace histogram [132, 1, 1, 1] [2018-07-23 13:41:22,414 INFO L414 AbstractCegarLoop]: === Iteration 133 === [ULTIMATE.startErr0AssertViolationASSERT]=== [2018-07-23 13:41:22,414 INFO L82 PathProgramCache]: Analyzing trace with hash -1464045823, now seen corresponding path program 132 times [2018-07-23 13:41:22,414 INFO L69 tionRefinementEngine]: Using refinement strategy FixedRefinementStrategy [2018-07-23 13:41:22,455 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-07-23 13:41:22,872 INFO L134 CoverageAnalysis]: Checked inductivity of 8778 backedges. 0 proven. 8778 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2018-07-23 13:41:22,873 INFO L309 seRefinementStrategy]: Constructing automaton from 0 perfect and 1 imperfect interpolant sequences. [2018-07-23 13:41:22,873 INFO L324 seRefinementStrategy]: Number of different interpolants: perfect sequences [] imperfect sequences [134] total 134 [2018-07-23 13:41:22,873 INFO L142 lantAutomatonBuilder]: Constructing canonical interpolant automaton, with selfloop in false state [2018-07-23 13:41:22,873 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 13:41:22,874 INFO L185 omatonBuilderFactory]: Interpolants [46848#(<= ULTIMATE.start_main_~k~5 42), 46849#(<= ULTIMATE.start_main_~k~5 43), 46850#(<= ULTIMATE.start_main_~k~5 44), 46851#(<= ULTIMATE.start_main_~k~5 45), 46852#(<= ULTIMATE.start_main_~k~5 46), 46853#(<= ULTIMATE.start_main_~k~5 47), 46854#(<= ULTIMATE.start_main_~k~5 48), 46855#(<= ULTIMATE.start_main_~k~5 49), 46856#(<= ULTIMATE.start_main_~k~5 50), 46857#(<= ULTIMATE.start_main_~k~5 51), 46858#(<= ULTIMATE.start_main_~k~5 52), 46859#(<= ULTIMATE.start_main_~k~5 53), 46860#(<= ULTIMATE.start_main_~k~5 54), 46861#(<= ULTIMATE.start_main_~k~5 55), 46862#(<= ULTIMATE.start_main_~k~5 56), 46863#(<= ULTIMATE.start_main_~k~5 57), 46864#(<= ULTIMATE.start_main_~k~5 58), 46865#(<= ULTIMATE.start_main_~k~5 59), 46866#(<= ULTIMATE.start_main_~k~5 60), 46867#(<= ULTIMATE.start_main_~k~5 61), 46868#(<= ULTIMATE.start_main_~k~5 62), 46869#(<= ULTIMATE.start_main_~k~5 63), 46870#(<= ULTIMATE.start_main_~k~5 64), 46871#(<= ULTIMATE.start_main_~k~5 65), 46872#(<= ULTIMATE.start_main_~k~5 66), 46873#(<= ULTIMATE.start_main_~k~5 67), 46874#(<= ULTIMATE.start_main_~k~5 68), 46875#(<= ULTIMATE.start_main_~k~5 69), 46876#(<= ULTIMATE.start_main_~k~5 70), 46877#(<= ULTIMATE.start_main_~k~5 71), 46878#(<= ULTIMATE.start_main_~k~5 72), 46879#(<= ULTIMATE.start_main_~k~5 73), 46880#(<= ULTIMATE.start_main_~k~5 74), 46881#(<= ULTIMATE.start_main_~k~5 75), 46882#(<= ULTIMATE.start_main_~k~5 76), 46883#(<= ULTIMATE.start_main_~k~5 77), 46884#(<= ULTIMATE.start_main_~k~5 78), 46885#(<= ULTIMATE.start_main_~k~5 79), 46886#(<= ULTIMATE.start_main_~k~5 80), 46887#(<= ULTIMATE.start_main_~k~5 81), 46888#(<= ULTIMATE.start_main_~k~5 82), 46889#(<= ULTIMATE.start_main_~k~5 83), 46890#(<= ULTIMATE.start_main_~k~5 84), 46891#(<= ULTIMATE.start_main_~k~5 85), 46892#(<= ULTIMATE.start_main_~k~5 86), 46893#(<= ULTIMATE.start_main_~k~5 87), 46894#(<= ULTIMATE.start_main_~k~5 88), 46895#(<= ULTIMATE.start_main_~k~5 89), 46896#(<= ULTIMATE.start_main_~k~5 90), 46897#(<= ULTIMATE.start_main_~k~5 91), 46898#(<= ULTIMATE.start_main_~k~5 92), 46899#(<= ULTIMATE.start_main_~k~5 93), 46900#(<= ULTIMATE.start_main_~k~5 94), 46901#(<= ULTIMATE.start_main_~k~5 95), 46902#(<= ULTIMATE.start_main_~k~5 96), 46903#(<= ULTIMATE.start_main_~k~5 97), 46904#(<= ULTIMATE.start_main_~k~5 98), 46905#(<= ULTIMATE.start_main_~k~5 99), 46906#(<= ULTIMATE.start_main_~k~5 100), 46907#(<= ULTIMATE.start_main_~k~5 101), 46908#(<= ULTIMATE.start_main_~k~5 102), 46909#(<= ULTIMATE.start_main_~k~5 103), 46910#(<= ULTIMATE.start_main_~k~5 104), 46911#(<= ULTIMATE.start_main_~k~5 105), 46912#(<= ULTIMATE.start_main_~k~5 106), 46913#(<= ULTIMATE.start_main_~k~5 107), 46914#(<= ULTIMATE.start_main_~k~5 108), 46915#(<= ULTIMATE.start_main_~k~5 109), 46916#(<= ULTIMATE.start_main_~k~5 110), 46917#(<= ULTIMATE.start_main_~k~5 111), 46918#(<= ULTIMATE.start_main_~k~5 112), 46919#(<= ULTIMATE.start_main_~k~5 113), 46920#(<= ULTIMATE.start_main_~k~5 114), 46921#(<= ULTIMATE.start_main_~k~5 115), 46922#(<= ULTIMATE.start_main_~k~5 116), 46923#(<= ULTIMATE.start_main_~k~5 117), 46924#(<= ULTIMATE.start_main_~k~5 118), 46925#(<= ULTIMATE.start_main_~k~5 119), 46926#(<= ULTIMATE.start_main_~k~5 120), 46927#(<= ULTIMATE.start_main_~k~5 121), 46928#(<= ULTIMATE.start_main_~k~5 122), 46929#(<= ULTIMATE.start_main_~k~5 123), 46930#(<= ULTIMATE.start_main_~k~5 124), 46931#(<= ULTIMATE.start_main_~k~5 125), 46932#(<= ULTIMATE.start_main_~k~5 126), 46933#(<= ULTIMATE.start_main_~k~5 127), 46934#(<= ULTIMATE.start_main_~k~5 128), 46935#(<= ULTIMATE.start_main_~k~5 129), 46936#(<= ULTIMATE.start_main_~k~5 130), 46937#(<= ULTIMATE.start_main_~k~5 131), 46938#(<= ULTIMATE.start_main_~k~5 132), 46804#true, 46805#false, 46806#(<= ULTIMATE.start_main_~k~5 0), 46807#(<= ULTIMATE.start_main_~k~5 1), 46808#(<= ULTIMATE.start_main_~k~5 2), 46809#(<= ULTIMATE.start_main_~k~5 3), 46810#(<= ULTIMATE.start_main_~k~5 4), 46811#(<= ULTIMATE.start_main_~k~5 5), 46812#(<= ULTIMATE.start_main_~k~5 6), 46813#(<= ULTIMATE.start_main_~k~5 7), 46814#(<= ULTIMATE.start_main_~k~5 8), 46815#(<= ULTIMATE.start_main_~k~5 9), 46816#(<= ULTIMATE.start_main_~k~5 10), 46817#(<= ULTIMATE.start_main_~k~5 11), 46818#(<= ULTIMATE.start_main_~k~5 12), 46819#(<= ULTIMATE.start_main_~k~5 13), 46820#(<= ULTIMATE.start_main_~k~5 14), 46821#(<= ULTIMATE.start_main_~k~5 15), 46822#(<= ULTIMATE.start_main_~k~5 16), 46823#(<= ULTIMATE.start_main_~k~5 17), 46824#(<= ULTIMATE.start_main_~k~5 18), 46825#(<= ULTIMATE.start_main_~k~5 19), 46826#(<= ULTIMATE.start_main_~k~5 20), 46827#(<= ULTIMATE.start_main_~k~5 21), 46828#(<= ULTIMATE.start_main_~k~5 22), 46829#(<= ULTIMATE.start_main_~k~5 23), 46830#(<= ULTIMATE.start_main_~k~5 24), 46831#(<= ULTIMATE.start_main_~k~5 25), 46832#(<= ULTIMATE.start_main_~k~5 26), 46833#(<= ULTIMATE.start_main_~k~5 27), 46834#(<= ULTIMATE.start_main_~k~5 28), 46835#(<= ULTIMATE.start_main_~k~5 29), 46836#(<= ULTIMATE.start_main_~k~5 30), 46837#(<= ULTIMATE.start_main_~k~5 31), 46838#(<= ULTIMATE.start_main_~k~5 32), 46839#(<= ULTIMATE.start_main_~k~5 33), 46840#(<= ULTIMATE.start_main_~k~5 34), 46841#(<= ULTIMATE.start_main_~k~5 35), 46842#(<= ULTIMATE.start_main_~k~5 36), 46843#(<= ULTIMATE.start_main_~k~5 37), 46844#(<= ULTIMATE.start_main_~k~5 38), 46845#(<= ULTIMATE.start_main_~k~5 39), 46846#(<= ULTIMATE.start_main_~k~5 40), 46847#(<= ULTIMATE.start_main_~k~5 41)] [2018-07-23 13:41:22,874 INFO L134 CoverageAnalysis]: Checked inductivity of 8778 backedges. 0 proven. 8778 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2018-07-23 13:41:22,874 INFO L450 AbstractCegarLoop]: Interpolant automaton has 135 states [2018-07-23 13:41:22,876 INFO L132 InterpolantAutomaton]: Constructing interpolant automaton starting with 135 interpolants. [2018-07-23 13:41:22,876 INFO L133 InterpolantAutomaton]: CoverageRelationStatistics Valid=9045, Invalid=9045, Unknown=0, NotChecked=0, Total=18090 [2018-07-23 13:41:22,876 INFO L87 Difference]: Start difference. First operand 136 states and 136 transitions. Second operand 135 states. [2018-07-23 13:41:23,013 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2018-07-23 13:41:23,014 INFO L93 Difference]: Finished difference Result 139 states and 139 transitions. [2018-07-23 13:41:23,014 INFO L142 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 135 states. [2018-07-23 13:41:23,014 INFO L78 Accepts]: Start accepts. Automaton has 135 states. Word has length 135 [2018-07-23 13:41:23,014 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2018-07-23 13:41:23,014 INFO L225 Difference]: With dead ends: 139 [2018-07-23 13:41:23,014 INFO L226 Difference]: Without dead ends: 137 [2018-07-23 13:41:23,015 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 13:41:23,015 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 137 states. [2018-07-23 13:41:23,017 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 137 to 137. [2018-07-23 13:41:23,017 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 137 states. [2018-07-23 13:41:23,017 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 137 states to 137 states and 137 transitions. [2018-07-23 13:41:23,017 INFO L78 Accepts]: Start accepts. Automaton has 137 states and 137 transitions. Word has length 135 [2018-07-23 13:41:23,017 INFO L84 Accepts]: Finished accepts. word is rejected. [2018-07-23 13:41:23,017 INFO L471 AbstractCegarLoop]: Abstraction has 137 states and 137 transitions. [2018-07-23 13:41:23,018 INFO L472 AbstractCegarLoop]: Interpolant automaton has 135 states. [2018-07-23 13:41:23,018 INFO L276 IsEmpty]: Start isEmpty. Operand 137 states and 137 transitions. [2018-07-23 13:41:23,018 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 137 [2018-07-23 13:41:23,018 INFO L349 BasicCegarLoop]: Found error trace [2018-07-23 13:41:23,018 INFO L357 BasicCegarLoop]: trace histogram [133, 1, 1, 1] [2018-07-23 13:41:23,018 INFO L414 AbstractCegarLoop]: === Iteration 134 === [ULTIMATE.startErr0AssertViolationASSERT]=== [2018-07-23 13:41:23,018 INFO L82 PathProgramCache]: Analyzing trace with hash 1859217768, now seen corresponding path program 133 times [2018-07-23 13:41:23,018 INFO L69 tionRefinementEngine]: Using refinement strategy FixedRefinementStrategy [2018-07-23 13:41:23,067 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-07-23 13:41:23,568 INFO L134 CoverageAnalysis]: Checked inductivity of 8911 backedges. 0 proven. 8911 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2018-07-23 13:41:23,568 INFO L309 seRefinementStrategy]: Constructing automaton from 0 perfect and 1 imperfect interpolant sequences. [2018-07-23 13:41:23,568 INFO L324 seRefinementStrategy]: Number of different interpolants: perfect sequences [] imperfect sequences [135] total 135 [2018-07-23 13:41:23,569 INFO L142 lantAutomatonBuilder]: Constructing canonical interpolant automaton, with selfloop in false state [2018-07-23 13:41:23,569 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2018-07-23 13:41:23,569 INFO L185 omatonBuilderFactory]: Interpolants [47616#(<= ULTIMATE.start_main_~k~5 123), 47617#(<= ULTIMATE.start_main_~k~5 124), 47618#(<= ULTIMATE.start_main_~k~5 125), 47619#(<= ULTIMATE.start_main_~k~5 126), 47620#(<= ULTIMATE.start_main_~k~5 127), 47621#(<= ULTIMATE.start_main_~k~5 128), 47622#(<= ULTIMATE.start_main_~k~5 129), 47623#(<= ULTIMATE.start_main_~k~5 130), 47624#(<= ULTIMATE.start_main_~k~5 131), 47625#(<= ULTIMATE.start_main_~k~5 132), 47626#(<= ULTIMATE.start_main_~k~5 133), 47491#true, 47492#false, 47493#(<= ULTIMATE.start_main_~k~5 0), 47494#(<= ULTIMATE.start_main_~k~5 1), 47495#(<= ULTIMATE.start_main_~k~5 2), 47496#(<= ULTIMATE.start_main_~k~5 3), 47497#(<= ULTIMATE.start_main_~k~5 4), 47498#(<= ULTIMATE.start_main_~k~5 5), 47499#(<= ULTIMATE.start_main_~k~5 6), 47500#(<= ULTIMATE.start_main_~k~5 7), 47501#(<= ULTIMATE.start_main_~k~5 8), 47502#(<= ULTIMATE.start_main_~k~5 9), 47503#(<= ULTIMATE.start_main_~k~5 10), 47504#(<= ULTIMATE.start_main_~k~5 11), 47505#(<= ULTIMATE.start_main_~k~5 12), 47506#(<= ULTIMATE.start_main_~k~5 13), 47507#(<= ULTIMATE.start_main_~k~5 14), 47508#(<= ULTIMATE.start_main_~k~5 15), 47509#(<= ULTIMATE.start_main_~k~5 16), 47510#(<= ULTIMATE.start_main_~k~5 17), 47511#(<= ULTIMATE.start_main_~k~5 18), 47512#(<= ULTIMATE.start_main_~k~5 19), 47513#(<= ULTIMATE.start_main_~k~5 20), 47514#(<= ULTIMATE.start_main_~k~5 21), 47515#(<= ULTIMATE.start_main_~k~5 22), 47516#(<= ULTIMATE.start_main_~k~5 23), 47517#(<= ULTIMATE.start_main_~k~5 24), 47518#(<= ULTIMATE.start_main_~k~5 25), 47519#(<= ULTIMATE.start_main_~k~5 26), 47520#(<= ULTIMATE.start_main_~k~5 27), 47521#(<= ULTIMATE.start_main_~k~5 28), 47522#(<= ULTIMATE.start_main_~k~5 29), 47523#(<= ULTIMATE.start_main_~k~5 30), 47524#(<= ULTIMATE.start_main_~k~5 31), 47525#(<= ULTIMATE.start_main_~k~5 32), 47526#(<= ULTIMATE.start_main_~k~5 33), 47527#(<= ULTIMATE.start_main_~k~5 34), 47528#(<= ULTIMATE.start_main_~k~5 35), 47529#(<= ULTIMATE.start_main_~k~5 36), 47530#(<= ULTIMATE.start_main_~k~5 37), 47531#(<= ULTIMATE.start_main_~k~5 38), 47532#(<= ULTIMATE.start_main_~k~5 39), 47533#(<= ULTIMATE.start_main_~k~5 40), 47534#(<= ULTIMATE.start_main_~k~5 41), 47535#(<= ULTIMATE.start_main_~k~5 42), 47536#(<= ULTIMATE.start_main_~k~5 43), 47537#(<= ULTIMATE.start_main_~k~5 44), 47538#(<= ULTIMATE.start_main_~k~5 45), 47539#(<= ULTIMATE.start_main_~k~5 46), 47540#(<= ULTIMATE.start_main_~k~5 47), 47541#(<= ULTIMATE.start_main_~k~5 48), 47542#(<= ULTIMATE.start_main_~k~5 49), 47543#(<= ULTIMATE.start_main_~k~5 50), 47544#(<= ULTIMATE.start_main_~k~5 51), 47545#(<= ULTIMATE.start_main_~k~5 52), 47546#(<= ULTIMATE.start_main_~k~5 53), 47547#(<= ULTIMATE.start_main_~k~5 54), 47548#(<= ULTIMATE.start_main_~k~5 55), 47549#(<= ULTIMATE.start_main_~k~5 56), 47550#(<= ULTIMATE.start_main_~k~5 57), 47551#(<= ULTIMATE.start_main_~k~5 58), 47552#(<= ULTIMATE.start_main_~k~5 59), 47553#(<= ULTIMATE.start_main_~k~5 60), 47554#(<= ULTIMATE.start_main_~k~5 61), 47555#(<= ULTIMATE.start_main_~k~5 62), 47556#(<= ULTIMATE.start_main_~k~5 63), 47557#(<= ULTIMATE.start_main_~k~5 64), 47558#(<= ULTIMATE.start_main_~k~5 65), 47559#(<= ULTIMATE.start_main_~k~5 66), 47560#(<= ULTIMATE.start_main_~k~5 67), 47561#(<= ULTIMATE.start_main_~k~5 68), 47562#(<= ULTIMATE.start_main_~k~5 69), 47563#(<= ULTIMATE.start_main_~k~5 70), 47564#(<= ULTIMATE.start_main_~k~5 71), 47565#(<= ULTIMATE.start_main_~k~5 72), 47566#(<= ULTIMATE.start_main_~k~5 73), 47567#(<= ULTIMATE.start_main_~k~5 74), 47568#(<= ULTIMATE.start_main_~k~5 75), 47569#(<= ULTIMATE.start_main_~k~5 76), 47570#(<= ULTIMATE.start_main_~k~5 77), 47571#(<= ULTIMATE.start_main_~k~5 78), 47572#(<= ULTIMATE.start_main_~k~5 79), 47573#(<= ULTIMATE.start_main_~k~5 80), 47574#(<= ULTIMATE.start_main_~k~5 81), 47575#(<= ULTIMATE.start_main_~k~5 82), 47576#(<= ULTIMATE.start_main_~k~5 83), 47577#(<= ULTIMATE.start_main_~k~5 84), 47578#(<= ULTIMATE.start_main_~k~5 85), 47579#(<= ULTIMATE.start_main_~k~5 86), 47580#(<= ULTIMATE.start_main_~k~5 87), 47581#(<= ULTIMATE.start_main_~k~5 88), 47582#(<= ULTIMATE.start_main_~k~5 89), 47583#(<= ULTIMATE.start_main_~k~5 90), 47584#(<= ULTIMATE.start_main_~k~5 91), 47585#(<= ULTIMATE.start_main_~k~5 92), 47586#(<= ULTIMATE.start_main_~k~5 93), 47587#(<= ULTIMATE.start_main_~k~5 94), 47588#(<= ULTIMATE.start_main_~k~5 95), 47589#(<= ULTIMATE.start_main_~k~5 96), 47590#(<= ULTIMATE.start_main_~k~5 97), 47591#(<= ULTIMATE.start_main_~k~5 98), 47592#(<= ULTIMATE.start_main_~k~5 99), 47593#(<= ULTIMATE.start_main_~k~5 100), 47594#(<= ULTIMATE.start_main_~k~5 101), 47595#(<= ULTIMATE.start_main_~k~5 102), 47596#(<= ULTIMATE.start_main_~k~5 103), 47597#(<= ULTIMATE.start_main_~k~5 104), 47598#(<= ULTIMATE.start_main_~k~5 105), 47599#(<= ULTIMATE.start_main_~k~5 106), 47600#(<= ULTIMATE.start_main_~k~5 107), 47601#(<= ULTIMATE.start_main_~k~5 108), 47602#(<= ULTIMATE.start_main_~k~5 109), 47603#(<= ULTIMATE.start_main_~k~5 110), 47604#(<= ULTIMATE.start_main_~k~5 111), 47605#(<= ULTIMATE.start_main_~k~5 112), 47606#(<= ULTIMATE.start_main_~k~5 113), 47607#(<= ULTIMATE.start_main_~k~5 114), 47608#(<= ULTIMATE.start_main_~k~5 115), 47609#(<= ULTIMATE.start_main_~k~5 116), 47610#(<= ULTIMATE.start_main_~k~5 117), 47611#(<= ULTIMATE.start_main_~k~5 118), 47612#(<= ULTIMATE.start_main_~k~5 119), 47613#(<= ULTIMATE.start_main_~k~5 120), 47614#(<= ULTIMATE.start_main_~k~5 121), 47615#(<= ULTIMATE.start_main_~k~5 122)] [2018-07-23 13:41:23,570 INFO L134 CoverageAnalysis]: Checked inductivity of 8911 backedges. 0 proven. 8911 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2018-07-23 13:41:23,570 INFO L450 AbstractCegarLoop]: Interpolant automaton has 136 states [2018-07-23 13:41:23,571 INFO L132 InterpolantAutomaton]: Constructing interpolant automaton starting with 136 interpolants. [2018-07-23 13:41:23,571 INFO L133 InterpolantAutomaton]: CoverageRelationStatistics Valid=9180, Invalid=9180, Unknown=0, NotChecked=0, Total=18360 [2018-07-23 13:41:23,571 INFO L87 Difference]: Start difference. First operand 137 states and 137 transitions. Second operand 136 states. [2018-07-23 13:41:23,751 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2018-07-23 13:41:23,751 INFO L93 Difference]: Finished difference Result 140 states and 140 transitions. [2018-07-23 13:41:23,751 INFO L142 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 136 states. [2018-07-23 13:41:23,751 INFO L78 Accepts]: Start accepts. Automaton has 136 states. Word has length 136 [2018-07-23 13:41:23,751 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2018-07-23 13:41:23,751 INFO L225 Difference]: With dead ends: 140 [2018-07-23 13:41:23,751 INFO L226 Difference]: Without dead ends: 138 [2018-07-23 13:41:23,752 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 13:41:23,752 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 138 states. [2018-07-23 13:41:23,754 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 138 to 138. [2018-07-23 13:41:23,754 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 138 states. [2018-07-23 13:41:23,754 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 138 states to 138 states and 138 transitions. [2018-07-23 13:41:23,754 INFO L78 Accepts]: Start accepts. Automaton has 138 states and 138 transitions. Word has length 136 [2018-07-23 13:41:23,754 INFO L84 Accepts]: Finished accepts. word is rejected. [2018-07-23 13:41:23,755 INFO L471 AbstractCegarLoop]: Abstraction has 138 states and 138 transitions. [2018-07-23 13:41:23,755 INFO L472 AbstractCegarLoop]: Interpolant automaton has 136 states. [2018-07-23 13:41:23,755 INFO L276 IsEmpty]: Start isEmpty. Operand 138 states and 138 transitions. [2018-07-23 13:41:23,755 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 138 [2018-07-23 13:41:23,755 INFO L349 BasicCegarLoop]: Found error trace [2018-07-23 13:41:23,755 INFO L357 BasicCegarLoop]: trace histogram [134, 1, 1, 1] [2018-07-23 13:41:23,755 INFO L414 AbstractCegarLoop]: === Iteration 135 === [ULTIMATE.startErr0AssertViolationASSERT]=== [2018-07-23 13:41:23,755 INFO L82 PathProgramCache]: Analyzing trace with hash 1801173985, now seen corresponding path program 134 times [2018-07-23 13:41:23,755 INFO L69 tionRefinementEngine]: Using refinement strategy FixedRefinementStrategy [2018-07-23 13:41:23,788 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-07-23 13:41:24,209 INFO L134 CoverageAnalysis]: Checked inductivity of 9045 backedges. 0 proven. 9045 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2018-07-23 13:41:24,210 INFO L309 seRefinementStrategy]: Constructing automaton from 0 perfect and 1 imperfect interpolant sequences. [2018-07-23 13:41:24,210 INFO L324 seRefinementStrategy]: Number of different interpolants: perfect sequences [] imperfect sequences [136] total 136 [2018-07-23 13:41:24,210 INFO L142 lantAutomatonBuilder]: Constructing canonical interpolant automaton, with selfloop in false state [2018-07-23 13:41:24,210 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2018-07-23 13:41:24,210 INFO L185 omatonBuilderFactory]: Interpolants [48183#true, 48184#false, 48185#(<= ULTIMATE.start_main_~k~5 0), 48186#(<= ULTIMATE.start_main_~k~5 1), 48187#(<= ULTIMATE.start_main_~k~5 2), 48188#(<= ULTIMATE.start_main_~k~5 3), 48189#(<= ULTIMATE.start_main_~k~5 4), 48190#(<= ULTIMATE.start_main_~k~5 5), 48191#(<= ULTIMATE.start_main_~k~5 6), 48192#(<= ULTIMATE.start_main_~k~5 7), 48193#(<= ULTIMATE.start_main_~k~5 8), 48194#(<= ULTIMATE.start_main_~k~5 9), 48195#(<= ULTIMATE.start_main_~k~5 10), 48196#(<= ULTIMATE.start_main_~k~5 11), 48197#(<= ULTIMATE.start_main_~k~5 12), 48198#(<= ULTIMATE.start_main_~k~5 13), 48199#(<= ULTIMATE.start_main_~k~5 14), 48200#(<= ULTIMATE.start_main_~k~5 15), 48201#(<= ULTIMATE.start_main_~k~5 16), 48202#(<= ULTIMATE.start_main_~k~5 17), 48203#(<= ULTIMATE.start_main_~k~5 18), 48204#(<= ULTIMATE.start_main_~k~5 19), 48205#(<= ULTIMATE.start_main_~k~5 20), 48206#(<= ULTIMATE.start_main_~k~5 21), 48207#(<= ULTIMATE.start_main_~k~5 22), 48208#(<= ULTIMATE.start_main_~k~5 23), 48209#(<= ULTIMATE.start_main_~k~5 24), 48210#(<= ULTIMATE.start_main_~k~5 25), 48211#(<= ULTIMATE.start_main_~k~5 26), 48212#(<= ULTIMATE.start_main_~k~5 27), 48213#(<= ULTIMATE.start_main_~k~5 28), 48214#(<= ULTIMATE.start_main_~k~5 29), 48215#(<= ULTIMATE.start_main_~k~5 30), 48216#(<= ULTIMATE.start_main_~k~5 31), 48217#(<= ULTIMATE.start_main_~k~5 32), 48218#(<= ULTIMATE.start_main_~k~5 33), 48219#(<= ULTIMATE.start_main_~k~5 34), 48220#(<= ULTIMATE.start_main_~k~5 35), 48221#(<= ULTIMATE.start_main_~k~5 36), 48222#(<= ULTIMATE.start_main_~k~5 37), 48223#(<= ULTIMATE.start_main_~k~5 38), 48224#(<= ULTIMATE.start_main_~k~5 39), 48225#(<= ULTIMATE.start_main_~k~5 40), 48226#(<= ULTIMATE.start_main_~k~5 41), 48227#(<= ULTIMATE.start_main_~k~5 42), 48228#(<= ULTIMATE.start_main_~k~5 43), 48229#(<= ULTIMATE.start_main_~k~5 44), 48230#(<= ULTIMATE.start_main_~k~5 45), 48231#(<= ULTIMATE.start_main_~k~5 46), 48232#(<= ULTIMATE.start_main_~k~5 47), 48233#(<= ULTIMATE.start_main_~k~5 48), 48234#(<= ULTIMATE.start_main_~k~5 49), 48235#(<= ULTIMATE.start_main_~k~5 50), 48236#(<= ULTIMATE.start_main_~k~5 51), 48237#(<= ULTIMATE.start_main_~k~5 52), 48238#(<= ULTIMATE.start_main_~k~5 53), 48239#(<= ULTIMATE.start_main_~k~5 54), 48240#(<= ULTIMATE.start_main_~k~5 55), 48241#(<= ULTIMATE.start_main_~k~5 56), 48242#(<= ULTIMATE.start_main_~k~5 57), 48243#(<= ULTIMATE.start_main_~k~5 58), 48244#(<= ULTIMATE.start_main_~k~5 59), 48245#(<= ULTIMATE.start_main_~k~5 60), 48246#(<= ULTIMATE.start_main_~k~5 61), 48247#(<= ULTIMATE.start_main_~k~5 62), 48248#(<= ULTIMATE.start_main_~k~5 63), 48249#(<= ULTIMATE.start_main_~k~5 64), 48250#(<= ULTIMATE.start_main_~k~5 65), 48251#(<= ULTIMATE.start_main_~k~5 66), 48252#(<= ULTIMATE.start_main_~k~5 67), 48253#(<= ULTIMATE.start_main_~k~5 68), 48254#(<= ULTIMATE.start_main_~k~5 69), 48255#(<= ULTIMATE.start_main_~k~5 70), 48256#(<= ULTIMATE.start_main_~k~5 71), 48257#(<= ULTIMATE.start_main_~k~5 72), 48258#(<= ULTIMATE.start_main_~k~5 73), 48259#(<= ULTIMATE.start_main_~k~5 74), 48260#(<= ULTIMATE.start_main_~k~5 75), 48261#(<= ULTIMATE.start_main_~k~5 76), 48262#(<= ULTIMATE.start_main_~k~5 77), 48263#(<= ULTIMATE.start_main_~k~5 78), 48264#(<= ULTIMATE.start_main_~k~5 79), 48265#(<= ULTIMATE.start_main_~k~5 80), 48266#(<= ULTIMATE.start_main_~k~5 81), 48267#(<= ULTIMATE.start_main_~k~5 82), 48268#(<= ULTIMATE.start_main_~k~5 83), 48269#(<= ULTIMATE.start_main_~k~5 84), 48270#(<= ULTIMATE.start_main_~k~5 85), 48271#(<= ULTIMATE.start_main_~k~5 86), 48272#(<= ULTIMATE.start_main_~k~5 87), 48273#(<= ULTIMATE.start_main_~k~5 88), 48274#(<= ULTIMATE.start_main_~k~5 89), 48275#(<= ULTIMATE.start_main_~k~5 90), 48276#(<= ULTIMATE.start_main_~k~5 91), 48277#(<= ULTIMATE.start_main_~k~5 92), 48278#(<= ULTIMATE.start_main_~k~5 93), 48279#(<= ULTIMATE.start_main_~k~5 94), 48280#(<= ULTIMATE.start_main_~k~5 95), 48281#(<= ULTIMATE.start_main_~k~5 96), 48282#(<= ULTIMATE.start_main_~k~5 97), 48283#(<= ULTIMATE.start_main_~k~5 98), 48284#(<= ULTIMATE.start_main_~k~5 99), 48285#(<= ULTIMATE.start_main_~k~5 100), 48286#(<= ULTIMATE.start_main_~k~5 101), 48287#(<= ULTIMATE.start_main_~k~5 102), 48288#(<= ULTIMATE.start_main_~k~5 103), 48289#(<= ULTIMATE.start_main_~k~5 104), 48290#(<= ULTIMATE.start_main_~k~5 105), 48291#(<= ULTIMATE.start_main_~k~5 106), 48292#(<= ULTIMATE.start_main_~k~5 107), 48293#(<= ULTIMATE.start_main_~k~5 108), 48294#(<= ULTIMATE.start_main_~k~5 109), 48295#(<= ULTIMATE.start_main_~k~5 110), 48296#(<= ULTIMATE.start_main_~k~5 111), 48297#(<= ULTIMATE.start_main_~k~5 112), 48298#(<= ULTIMATE.start_main_~k~5 113), 48299#(<= ULTIMATE.start_main_~k~5 114), 48300#(<= ULTIMATE.start_main_~k~5 115), 48301#(<= ULTIMATE.start_main_~k~5 116), 48302#(<= ULTIMATE.start_main_~k~5 117), 48303#(<= ULTIMATE.start_main_~k~5 118), 48304#(<= ULTIMATE.start_main_~k~5 119), 48305#(<= ULTIMATE.start_main_~k~5 120), 48306#(<= ULTIMATE.start_main_~k~5 121), 48307#(<= ULTIMATE.start_main_~k~5 122), 48308#(<= ULTIMATE.start_main_~k~5 123), 48309#(<= ULTIMATE.start_main_~k~5 124), 48310#(<= ULTIMATE.start_main_~k~5 125), 48311#(<= ULTIMATE.start_main_~k~5 126), 48312#(<= ULTIMATE.start_main_~k~5 127), 48313#(<= ULTIMATE.start_main_~k~5 128), 48314#(<= ULTIMATE.start_main_~k~5 129), 48315#(<= ULTIMATE.start_main_~k~5 130), 48316#(<= ULTIMATE.start_main_~k~5 131), 48317#(<= ULTIMATE.start_main_~k~5 132), 48318#(<= ULTIMATE.start_main_~k~5 133), 48319#(<= ULTIMATE.start_main_~k~5 134)] [2018-07-23 13:41:24,211 INFO L134 CoverageAnalysis]: Checked inductivity of 9045 backedges. 0 proven. 9045 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2018-07-23 13:41:24,211 INFO L450 AbstractCegarLoop]: Interpolant automaton has 137 states [2018-07-23 13:41:24,213 INFO L132 InterpolantAutomaton]: Constructing interpolant automaton starting with 137 interpolants. [2018-07-23 13:41:24,214 INFO L133 InterpolantAutomaton]: CoverageRelationStatistics Valid=9316, Invalid=9316, Unknown=0, NotChecked=0, Total=18632 [2018-07-23 13:41:24,214 INFO L87 Difference]: Start difference. First operand 138 states and 138 transitions. Second operand 137 states. [2018-07-23 13:41:24,421 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2018-07-23 13:41:24,421 INFO L93 Difference]: Finished difference Result 141 states and 141 transitions. [2018-07-23 13:41:24,421 INFO L142 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 137 states. [2018-07-23 13:41:24,421 INFO L78 Accepts]: Start accepts. Automaton has 137 states. Word has length 137 [2018-07-23 13:41:24,421 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2018-07-23 13:41:24,422 INFO L225 Difference]: With dead ends: 141 [2018-07-23 13:41:24,422 INFO L226 Difference]: Without dead ends: 139 [2018-07-23 13:41:24,422 INFO L575 BasicCegarLoop]: 0 DeclaredPredicates, 136 GetRequests, 1 SyntacticMatches, 0 SemanticMatches, 135 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 0 ImplicationChecksByTransitivity, 0.3s TimeCoverageRelationStatistics Valid=9316, Invalid=9316, Unknown=0, NotChecked=0, Total=18632 [2018-07-23 13:41:24,423 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 139 states. [2018-07-23 13:41:24,424 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 139 to 139. [2018-07-23 13:41:24,424 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 139 states. [2018-07-23 13:41:24,424 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 139 states to 139 states and 139 transitions. [2018-07-23 13:41:24,425 INFO L78 Accepts]: Start accepts. Automaton has 139 states and 139 transitions. Word has length 137 [2018-07-23 13:41:24,425 INFO L84 Accepts]: Finished accepts. word is rejected. [2018-07-23 13:41:24,425 INFO L471 AbstractCegarLoop]: Abstraction has 139 states and 139 transitions. [2018-07-23 13:41:24,425 INFO L472 AbstractCegarLoop]: Interpolant automaton has 137 states. [2018-07-23 13:41:24,425 INFO L276 IsEmpty]: Start isEmpty. Operand 139 states and 139 transitions. [2018-07-23 13:41:24,425 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 139 [2018-07-23 13:41:24,425 INFO L349 BasicCegarLoop]: Found error trace [2018-07-23 13:41:24,425 INFO L357 BasicCegarLoop]: trace histogram [135, 1, 1, 1] [2018-07-23 13:41:24,425 INFO L414 AbstractCegarLoop]: === Iteration 136 === [ULTIMATE.startErr0AssertViolationASSERT]=== [2018-07-23 13:41:24,426 INFO L82 PathProgramCache]: Analyzing trace with hash 1816712, now seen corresponding path program 135 times [2018-07-23 13:41:24,426 INFO L69 tionRefinementEngine]: Using refinement strategy FixedRefinementStrategy [2018-07-23 13:41:24,476 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-07-23 13:41:24,900 INFO L134 CoverageAnalysis]: Checked inductivity of 9180 backedges. 0 proven. 9180 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2018-07-23 13:41:24,900 INFO L309 seRefinementStrategy]: Constructing automaton from 0 perfect and 1 imperfect interpolant sequences. [2018-07-23 13:41:24,900 INFO L324 seRefinementStrategy]: Number of different interpolants: perfect sequences [] imperfect sequences [137] total 137 [2018-07-23 13:41:24,901 INFO L142 lantAutomatonBuilder]: Constructing canonical interpolant automaton, with selfloop in false state [2018-07-23 13:41:24,901 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2018-07-23 13:41:24,901 INFO L185 omatonBuilderFactory]: Interpolants [48896#(<= ULTIMATE.start_main_~k~5 14), 48897#(<= ULTIMATE.start_main_~k~5 15), 48898#(<= ULTIMATE.start_main_~k~5 16), 48899#(<= ULTIMATE.start_main_~k~5 17), 48900#(<= ULTIMATE.start_main_~k~5 18), 48901#(<= ULTIMATE.start_main_~k~5 19), 48902#(<= ULTIMATE.start_main_~k~5 20), 48903#(<= ULTIMATE.start_main_~k~5 21), 48904#(<= ULTIMATE.start_main_~k~5 22), 48905#(<= ULTIMATE.start_main_~k~5 23), 48906#(<= ULTIMATE.start_main_~k~5 24), 48907#(<= ULTIMATE.start_main_~k~5 25), 48908#(<= ULTIMATE.start_main_~k~5 26), 48909#(<= ULTIMATE.start_main_~k~5 27), 48910#(<= ULTIMATE.start_main_~k~5 28), 48911#(<= ULTIMATE.start_main_~k~5 29), 48912#(<= ULTIMATE.start_main_~k~5 30), 48913#(<= ULTIMATE.start_main_~k~5 31), 48914#(<= ULTIMATE.start_main_~k~5 32), 48915#(<= ULTIMATE.start_main_~k~5 33), 48916#(<= ULTIMATE.start_main_~k~5 34), 48917#(<= ULTIMATE.start_main_~k~5 35), 48918#(<= ULTIMATE.start_main_~k~5 36), 48919#(<= ULTIMATE.start_main_~k~5 37), 48920#(<= ULTIMATE.start_main_~k~5 38), 48921#(<= ULTIMATE.start_main_~k~5 39), 48922#(<= ULTIMATE.start_main_~k~5 40), 48923#(<= ULTIMATE.start_main_~k~5 41), 48924#(<= ULTIMATE.start_main_~k~5 42), 48925#(<= ULTIMATE.start_main_~k~5 43), 48926#(<= ULTIMATE.start_main_~k~5 44), 48927#(<= ULTIMATE.start_main_~k~5 45), 48928#(<= ULTIMATE.start_main_~k~5 46), 48929#(<= ULTIMATE.start_main_~k~5 47), 48930#(<= ULTIMATE.start_main_~k~5 48), 48931#(<= ULTIMATE.start_main_~k~5 49), 48932#(<= ULTIMATE.start_main_~k~5 50), 48933#(<= ULTIMATE.start_main_~k~5 51), 48934#(<= ULTIMATE.start_main_~k~5 52), 48935#(<= ULTIMATE.start_main_~k~5 53), 48936#(<= ULTIMATE.start_main_~k~5 54), 48937#(<= ULTIMATE.start_main_~k~5 55), 48938#(<= ULTIMATE.start_main_~k~5 56), 48939#(<= ULTIMATE.start_main_~k~5 57), 48940#(<= ULTIMATE.start_main_~k~5 58), 48941#(<= ULTIMATE.start_main_~k~5 59), 48942#(<= ULTIMATE.start_main_~k~5 60), 48943#(<= ULTIMATE.start_main_~k~5 61), 48944#(<= ULTIMATE.start_main_~k~5 62), 48945#(<= ULTIMATE.start_main_~k~5 63), 48946#(<= ULTIMATE.start_main_~k~5 64), 48947#(<= ULTIMATE.start_main_~k~5 65), 48948#(<= ULTIMATE.start_main_~k~5 66), 48949#(<= ULTIMATE.start_main_~k~5 67), 48950#(<= ULTIMATE.start_main_~k~5 68), 48951#(<= ULTIMATE.start_main_~k~5 69), 48952#(<= ULTIMATE.start_main_~k~5 70), 48953#(<= ULTIMATE.start_main_~k~5 71), 48954#(<= ULTIMATE.start_main_~k~5 72), 48955#(<= ULTIMATE.start_main_~k~5 73), 48956#(<= ULTIMATE.start_main_~k~5 74), 48957#(<= ULTIMATE.start_main_~k~5 75), 48958#(<= ULTIMATE.start_main_~k~5 76), 48959#(<= ULTIMATE.start_main_~k~5 77), 48960#(<= ULTIMATE.start_main_~k~5 78), 48961#(<= ULTIMATE.start_main_~k~5 79), 48962#(<= ULTIMATE.start_main_~k~5 80), 48963#(<= ULTIMATE.start_main_~k~5 81), 48964#(<= ULTIMATE.start_main_~k~5 82), 48965#(<= ULTIMATE.start_main_~k~5 83), 48966#(<= ULTIMATE.start_main_~k~5 84), 48967#(<= ULTIMATE.start_main_~k~5 85), 48968#(<= ULTIMATE.start_main_~k~5 86), 48969#(<= ULTIMATE.start_main_~k~5 87), 48970#(<= ULTIMATE.start_main_~k~5 88), 48971#(<= ULTIMATE.start_main_~k~5 89), 48972#(<= ULTIMATE.start_main_~k~5 90), 48973#(<= ULTIMATE.start_main_~k~5 91), 48974#(<= ULTIMATE.start_main_~k~5 92), 48975#(<= ULTIMATE.start_main_~k~5 93), 48976#(<= ULTIMATE.start_main_~k~5 94), 48977#(<= ULTIMATE.start_main_~k~5 95), 48978#(<= ULTIMATE.start_main_~k~5 96), 48979#(<= ULTIMATE.start_main_~k~5 97), 48980#(<= ULTIMATE.start_main_~k~5 98), 48981#(<= ULTIMATE.start_main_~k~5 99), 48982#(<= ULTIMATE.start_main_~k~5 100), 48983#(<= ULTIMATE.start_main_~k~5 101), 48984#(<= ULTIMATE.start_main_~k~5 102), 48985#(<= ULTIMATE.start_main_~k~5 103), 48986#(<= ULTIMATE.start_main_~k~5 104), 48987#(<= ULTIMATE.start_main_~k~5 105), 48988#(<= ULTIMATE.start_main_~k~5 106), 48989#(<= ULTIMATE.start_main_~k~5 107), 48990#(<= ULTIMATE.start_main_~k~5 108), 48991#(<= ULTIMATE.start_main_~k~5 109), 48992#(<= ULTIMATE.start_main_~k~5 110), 48993#(<= ULTIMATE.start_main_~k~5 111), 48994#(<= ULTIMATE.start_main_~k~5 112), 48995#(<= ULTIMATE.start_main_~k~5 113), 48996#(<= ULTIMATE.start_main_~k~5 114), 48997#(<= ULTIMATE.start_main_~k~5 115), 48998#(<= ULTIMATE.start_main_~k~5 116), 48999#(<= ULTIMATE.start_main_~k~5 117), 49000#(<= ULTIMATE.start_main_~k~5 118), 49001#(<= ULTIMATE.start_main_~k~5 119), 49002#(<= ULTIMATE.start_main_~k~5 120), 49003#(<= ULTIMATE.start_main_~k~5 121), 49004#(<= ULTIMATE.start_main_~k~5 122), 49005#(<= ULTIMATE.start_main_~k~5 123), 49006#(<= ULTIMATE.start_main_~k~5 124), 49007#(<= ULTIMATE.start_main_~k~5 125), 49008#(<= ULTIMATE.start_main_~k~5 126), 49009#(<= ULTIMATE.start_main_~k~5 127), 49010#(<= ULTIMATE.start_main_~k~5 128), 49011#(<= ULTIMATE.start_main_~k~5 129), 49012#(<= ULTIMATE.start_main_~k~5 130), 49013#(<= ULTIMATE.start_main_~k~5 131), 49014#(<= ULTIMATE.start_main_~k~5 132), 49015#(<= ULTIMATE.start_main_~k~5 133), 49016#(<= ULTIMATE.start_main_~k~5 134), 49017#(<= ULTIMATE.start_main_~k~5 135), 48880#true, 48881#false, 48882#(<= ULTIMATE.start_main_~k~5 0), 48883#(<= ULTIMATE.start_main_~k~5 1), 48884#(<= ULTIMATE.start_main_~k~5 2), 48885#(<= ULTIMATE.start_main_~k~5 3), 48886#(<= ULTIMATE.start_main_~k~5 4), 48887#(<= ULTIMATE.start_main_~k~5 5), 48888#(<= ULTIMATE.start_main_~k~5 6), 48889#(<= ULTIMATE.start_main_~k~5 7), 48890#(<= ULTIMATE.start_main_~k~5 8), 48891#(<= ULTIMATE.start_main_~k~5 9), 48892#(<= ULTIMATE.start_main_~k~5 10), 48893#(<= ULTIMATE.start_main_~k~5 11), 48894#(<= ULTIMATE.start_main_~k~5 12), 48895#(<= ULTIMATE.start_main_~k~5 13)] [2018-07-23 13:41:24,902 INFO L134 CoverageAnalysis]: Checked inductivity of 9180 backedges. 0 proven. 9180 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2018-07-23 13:41:24,903 INFO L450 AbstractCegarLoop]: Interpolant automaton has 138 states [2018-07-23 13:41:24,904 INFO L132 InterpolantAutomaton]: Constructing interpolant automaton starting with 138 interpolants. [2018-07-23 13:41:24,905 INFO L133 InterpolantAutomaton]: CoverageRelationStatistics Valid=9453, Invalid=9453, Unknown=0, NotChecked=0, Total=18906 [2018-07-23 13:41:24,905 INFO L87 Difference]: Start difference. First operand 139 states and 139 transitions. Second operand 138 states. [2018-07-23 13:41:25,159 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2018-07-23 13:41:25,159 INFO L93 Difference]: Finished difference Result 142 states and 142 transitions. [2018-07-23 13:41:25,159 INFO L142 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 138 states. [2018-07-23 13:41:25,159 INFO L78 Accepts]: Start accepts. Automaton has 138 states. Word has length 138 [2018-07-23 13:41:25,160 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2018-07-23 13:41:25,160 INFO L225 Difference]: With dead ends: 142 [2018-07-23 13:41:25,160 INFO L226 Difference]: Without dead ends: 140 [2018-07-23 13:41:25,161 INFO L575 BasicCegarLoop]: 0 DeclaredPredicates, 137 GetRequests, 1 SyntacticMatches, 0 SemanticMatches, 136 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 0 ImplicationChecksByTransitivity, 0.3s TimeCoverageRelationStatistics Valid=9453, Invalid=9453, Unknown=0, NotChecked=0, Total=18906 [2018-07-23 13:41:25,161 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 140 states. [2018-07-23 13:41:25,164 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 140 to 140. [2018-07-23 13:41:25,164 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 140 states. [2018-07-23 13:41:25,164 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 140 states to 140 states and 140 transitions. [2018-07-23 13:41:25,164 INFO L78 Accepts]: Start accepts. Automaton has 140 states and 140 transitions. Word has length 138 [2018-07-23 13:41:25,164 INFO L84 Accepts]: Finished accepts. word is rejected. [2018-07-23 13:41:25,165 INFO L471 AbstractCegarLoop]: Abstraction has 140 states and 140 transitions. [2018-07-23 13:41:25,165 INFO L472 AbstractCegarLoop]: Interpolant automaton has 138 states. [2018-07-23 13:41:25,165 INFO L276 IsEmpty]: Start isEmpty. Operand 140 states and 140 transitions. [2018-07-23 13:41:25,165 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 140 [2018-07-23 13:41:25,165 INFO L349 BasicCegarLoop]: Found error trace [2018-07-23 13:41:25,165 INFO L357 BasicCegarLoop]: trace histogram [136, 1, 1, 1] [2018-07-23 13:41:25,166 INFO L414 AbstractCegarLoop]: === Iteration 137 === [ULTIMATE.startErr0AssertViolationASSERT]=== [2018-07-23 13:41:25,166 INFO L82 PathProgramCache]: Analyzing trace with hash 56316097, now seen corresponding path program 136 times [2018-07-23 13:41:25,166 INFO L69 tionRefinementEngine]: Using refinement strategy FixedRefinementStrategy [2018-07-23 13:41:25,225 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-07-23 13:41:25,667 INFO L134 CoverageAnalysis]: Checked inductivity of 9316 backedges. 0 proven. 9316 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2018-07-23 13:41:25,668 INFO L309 seRefinementStrategy]: Constructing automaton from 0 perfect and 1 imperfect interpolant sequences. [2018-07-23 13:41:25,668 INFO L324 seRefinementStrategy]: Number of different interpolants: perfect sequences [] imperfect sequences [138] total 138 [2018-07-23 13:41:25,668 INFO L142 lantAutomatonBuilder]: Constructing canonical interpolant automaton, with selfloop in false state [2018-07-23 13:41:25,668 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2018-07-23 13:41:25,669 INFO L185 omatonBuilderFactory]: Interpolants [49664#(<= ULTIMATE.start_main_~k~5 80), 49665#(<= ULTIMATE.start_main_~k~5 81), 49666#(<= ULTIMATE.start_main_~k~5 82), 49667#(<= ULTIMATE.start_main_~k~5 83), 49668#(<= ULTIMATE.start_main_~k~5 84), 49669#(<= ULTIMATE.start_main_~k~5 85), 49670#(<= ULTIMATE.start_main_~k~5 86), 49671#(<= ULTIMATE.start_main_~k~5 87), 49672#(<= ULTIMATE.start_main_~k~5 88), 49673#(<= ULTIMATE.start_main_~k~5 89), 49674#(<= ULTIMATE.start_main_~k~5 90), 49675#(<= ULTIMATE.start_main_~k~5 91), 49676#(<= ULTIMATE.start_main_~k~5 92), 49677#(<= ULTIMATE.start_main_~k~5 93), 49678#(<= ULTIMATE.start_main_~k~5 94), 49679#(<= ULTIMATE.start_main_~k~5 95), 49680#(<= ULTIMATE.start_main_~k~5 96), 49681#(<= ULTIMATE.start_main_~k~5 97), 49682#(<= ULTIMATE.start_main_~k~5 98), 49683#(<= ULTIMATE.start_main_~k~5 99), 49684#(<= ULTIMATE.start_main_~k~5 100), 49685#(<= ULTIMATE.start_main_~k~5 101), 49686#(<= ULTIMATE.start_main_~k~5 102), 49687#(<= ULTIMATE.start_main_~k~5 103), 49688#(<= ULTIMATE.start_main_~k~5 104), 49689#(<= ULTIMATE.start_main_~k~5 105), 49690#(<= ULTIMATE.start_main_~k~5 106), 49691#(<= ULTIMATE.start_main_~k~5 107), 49692#(<= ULTIMATE.start_main_~k~5 108), 49693#(<= ULTIMATE.start_main_~k~5 109), 49694#(<= ULTIMATE.start_main_~k~5 110), 49695#(<= ULTIMATE.start_main_~k~5 111), 49696#(<= ULTIMATE.start_main_~k~5 112), 49697#(<= ULTIMATE.start_main_~k~5 113), 49698#(<= ULTIMATE.start_main_~k~5 114), 49699#(<= ULTIMATE.start_main_~k~5 115), 49700#(<= ULTIMATE.start_main_~k~5 116), 49701#(<= ULTIMATE.start_main_~k~5 117), 49702#(<= ULTIMATE.start_main_~k~5 118), 49703#(<= ULTIMATE.start_main_~k~5 119), 49704#(<= ULTIMATE.start_main_~k~5 120), 49705#(<= ULTIMATE.start_main_~k~5 121), 49706#(<= ULTIMATE.start_main_~k~5 122), 49707#(<= ULTIMATE.start_main_~k~5 123), 49708#(<= ULTIMATE.start_main_~k~5 124), 49709#(<= ULTIMATE.start_main_~k~5 125), 49710#(<= ULTIMATE.start_main_~k~5 126), 49711#(<= ULTIMATE.start_main_~k~5 127), 49712#(<= ULTIMATE.start_main_~k~5 128), 49713#(<= ULTIMATE.start_main_~k~5 129), 49714#(<= ULTIMATE.start_main_~k~5 130), 49715#(<= ULTIMATE.start_main_~k~5 131), 49716#(<= ULTIMATE.start_main_~k~5 132), 49717#(<= ULTIMATE.start_main_~k~5 133), 49718#(<= ULTIMATE.start_main_~k~5 134), 49719#(<= ULTIMATE.start_main_~k~5 135), 49720#(<= ULTIMATE.start_main_~k~5 136), 49582#true, 49583#false, 49584#(<= ULTIMATE.start_main_~k~5 0), 49585#(<= ULTIMATE.start_main_~k~5 1), 49586#(<= ULTIMATE.start_main_~k~5 2), 49587#(<= ULTIMATE.start_main_~k~5 3), 49588#(<= ULTIMATE.start_main_~k~5 4), 49589#(<= ULTIMATE.start_main_~k~5 5), 49590#(<= ULTIMATE.start_main_~k~5 6), 49591#(<= ULTIMATE.start_main_~k~5 7), 49592#(<= ULTIMATE.start_main_~k~5 8), 49593#(<= ULTIMATE.start_main_~k~5 9), 49594#(<= ULTIMATE.start_main_~k~5 10), 49595#(<= ULTIMATE.start_main_~k~5 11), 49596#(<= ULTIMATE.start_main_~k~5 12), 49597#(<= ULTIMATE.start_main_~k~5 13), 49598#(<= ULTIMATE.start_main_~k~5 14), 49599#(<= ULTIMATE.start_main_~k~5 15), 49600#(<= ULTIMATE.start_main_~k~5 16), 49601#(<= ULTIMATE.start_main_~k~5 17), 49602#(<= ULTIMATE.start_main_~k~5 18), 49603#(<= ULTIMATE.start_main_~k~5 19), 49604#(<= ULTIMATE.start_main_~k~5 20), 49605#(<= ULTIMATE.start_main_~k~5 21), 49606#(<= ULTIMATE.start_main_~k~5 22), 49607#(<= ULTIMATE.start_main_~k~5 23), 49608#(<= ULTIMATE.start_main_~k~5 24), 49609#(<= ULTIMATE.start_main_~k~5 25), 49610#(<= ULTIMATE.start_main_~k~5 26), 49611#(<= ULTIMATE.start_main_~k~5 27), 49612#(<= ULTIMATE.start_main_~k~5 28), 49613#(<= ULTIMATE.start_main_~k~5 29), 49614#(<= ULTIMATE.start_main_~k~5 30), 49615#(<= ULTIMATE.start_main_~k~5 31), 49616#(<= ULTIMATE.start_main_~k~5 32), 49617#(<= ULTIMATE.start_main_~k~5 33), 49618#(<= ULTIMATE.start_main_~k~5 34), 49619#(<= ULTIMATE.start_main_~k~5 35), 49620#(<= ULTIMATE.start_main_~k~5 36), 49621#(<= ULTIMATE.start_main_~k~5 37), 49622#(<= ULTIMATE.start_main_~k~5 38), 49623#(<= ULTIMATE.start_main_~k~5 39), 49624#(<= ULTIMATE.start_main_~k~5 40), 49625#(<= ULTIMATE.start_main_~k~5 41), 49626#(<= ULTIMATE.start_main_~k~5 42), 49627#(<= ULTIMATE.start_main_~k~5 43), 49628#(<= ULTIMATE.start_main_~k~5 44), 49629#(<= ULTIMATE.start_main_~k~5 45), 49630#(<= ULTIMATE.start_main_~k~5 46), 49631#(<= ULTIMATE.start_main_~k~5 47), 49632#(<= ULTIMATE.start_main_~k~5 48), 49633#(<= ULTIMATE.start_main_~k~5 49), 49634#(<= ULTIMATE.start_main_~k~5 50), 49635#(<= ULTIMATE.start_main_~k~5 51), 49636#(<= ULTIMATE.start_main_~k~5 52), 49637#(<= ULTIMATE.start_main_~k~5 53), 49638#(<= ULTIMATE.start_main_~k~5 54), 49639#(<= ULTIMATE.start_main_~k~5 55), 49640#(<= ULTIMATE.start_main_~k~5 56), 49641#(<= ULTIMATE.start_main_~k~5 57), 49642#(<= ULTIMATE.start_main_~k~5 58), 49643#(<= ULTIMATE.start_main_~k~5 59), 49644#(<= ULTIMATE.start_main_~k~5 60), 49645#(<= ULTIMATE.start_main_~k~5 61), 49646#(<= ULTIMATE.start_main_~k~5 62), 49647#(<= ULTIMATE.start_main_~k~5 63), 49648#(<= ULTIMATE.start_main_~k~5 64), 49649#(<= ULTIMATE.start_main_~k~5 65), 49650#(<= ULTIMATE.start_main_~k~5 66), 49651#(<= ULTIMATE.start_main_~k~5 67), 49652#(<= ULTIMATE.start_main_~k~5 68), 49653#(<= ULTIMATE.start_main_~k~5 69), 49654#(<= ULTIMATE.start_main_~k~5 70), 49655#(<= ULTIMATE.start_main_~k~5 71), 49656#(<= ULTIMATE.start_main_~k~5 72), 49657#(<= ULTIMATE.start_main_~k~5 73), 49658#(<= ULTIMATE.start_main_~k~5 74), 49659#(<= ULTIMATE.start_main_~k~5 75), 49660#(<= ULTIMATE.start_main_~k~5 76), 49661#(<= ULTIMATE.start_main_~k~5 77), 49662#(<= ULTIMATE.start_main_~k~5 78), 49663#(<= ULTIMATE.start_main_~k~5 79)] [2018-07-23 13:41:25,669 INFO L134 CoverageAnalysis]: Checked inductivity of 9316 backedges. 0 proven. 9316 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2018-07-23 13:41:25,669 INFO L450 AbstractCegarLoop]: Interpolant automaton has 139 states [2018-07-23 13:41:25,671 INFO L132 InterpolantAutomaton]: Constructing interpolant automaton starting with 139 interpolants. [2018-07-23 13:41:25,672 INFO L133 InterpolantAutomaton]: CoverageRelationStatistics Valid=9591, Invalid=9591, Unknown=0, NotChecked=0, Total=19182 [2018-07-23 13:41:25,672 INFO L87 Difference]: Start difference. First operand 140 states and 140 transitions. Second operand 139 states. [2018-07-23 13:41:25,763 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2018-07-23 13:41:25,763 INFO L93 Difference]: Finished difference Result 143 states and 143 transitions. [2018-07-23 13:41:25,763 INFO L142 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 139 states. [2018-07-23 13:41:25,763 INFO L78 Accepts]: Start accepts. Automaton has 139 states. Word has length 139 [2018-07-23 13:41:25,763 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2018-07-23 13:41:25,764 INFO L225 Difference]: With dead ends: 143 [2018-07-23 13:41:25,764 INFO L226 Difference]: Without dead ends: 141 [2018-07-23 13:41:25,765 INFO L575 BasicCegarLoop]: 0 DeclaredPredicates, 138 GetRequests, 1 SyntacticMatches, 0 SemanticMatches, 137 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 0 ImplicationChecksByTransitivity, 0.3s TimeCoverageRelationStatistics Valid=9591, Invalid=9591, Unknown=0, NotChecked=0, Total=19182 [2018-07-23 13:41:25,765 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 141 states. [2018-07-23 13:41:25,768 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 141 to 141. [2018-07-23 13:41:25,768 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 141 states. [2018-07-23 13:41:25,768 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 141 states to 141 states and 141 transitions. [2018-07-23 13:41:25,768 INFO L78 Accepts]: Start accepts. Automaton has 141 states and 141 transitions. Word has length 139 [2018-07-23 13:41:25,769 INFO L84 Accepts]: Finished accepts. word is rejected. [2018-07-23 13:41:25,769 INFO L471 AbstractCegarLoop]: Abstraction has 141 states and 141 transitions. [2018-07-23 13:41:25,769 INFO L472 AbstractCegarLoop]: Interpolant automaton has 139 states. [2018-07-23 13:41:25,769 INFO L276 IsEmpty]: Start isEmpty. Operand 141 states and 141 transitions. [2018-07-23 13:41:25,769 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 141 [2018-07-23 13:41:25,769 INFO L349 BasicCegarLoop]: Found error trace [2018-07-23 13:41:25,770 INFO L357 BasicCegarLoop]: trace histogram [137, 1, 1, 1] [2018-07-23 13:41:25,770 INFO L414 AbstractCegarLoop]: === Iteration 138 === [ULTIMATE.startErr0AssertViolationASSERT]=== [2018-07-23 13:41:25,770 INFO L82 PathProgramCache]: Analyzing trace with hash 1745797032, now seen corresponding path program 137 times [2018-07-23 13:41:25,770 INFO L69 tionRefinementEngine]: Using refinement strategy FixedRefinementStrategy [2018-07-23 13:41:25,810 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-07-23 13:41:26,244 INFO L134 CoverageAnalysis]: Checked inductivity of 9453 backedges. 0 proven. 9453 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2018-07-23 13:41:26,244 INFO L309 seRefinementStrategy]: Constructing automaton from 0 perfect and 1 imperfect interpolant sequences. [2018-07-23 13:41:26,244 INFO L324 seRefinementStrategy]: Number of different interpolants: perfect sequences [] imperfect sequences [139] total 139 [2018-07-23 13:41:26,245 INFO L142 lantAutomatonBuilder]: Constructing canonical interpolant automaton, with selfloop in false state [2018-07-23 13:41:26,245 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2018-07-23 13:41:26,245 INFO L185 omatonBuilderFactory]: Interpolants [50289#true, 50290#false, 50291#(<= ULTIMATE.start_main_~k~5 0), 50292#(<= ULTIMATE.start_main_~k~5 1), 50293#(<= ULTIMATE.start_main_~k~5 2), 50294#(<= ULTIMATE.start_main_~k~5 3), 50295#(<= ULTIMATE.start_main_~k~5 4), 50296#(<= ULTIMATE.start_main_~k~5 5), 50297#(<= ULTIMATE.start_main_~k~5 6), 50298#(<= ULTIMATE.start_main_~k~5 7), 50299#(<= ULTIMATE.start_main_~k~5 8), 50300#(<= ULTIMATE.start_main_~k~5 9), 50301#(<= ULTIMATE.start_main_~k~5 10), 50302#(<= ULTIMATE.start_main_~k~5 11), 50303#(<= ULTIMATE.start_main_~k~5 12), 50304#(<= ULTIMATE.start_main_~k~5 13), 50305#(<= ULTIMATE.start_main_~k~5 14), 50306#(<= ULTIMATE.start_main_~k~5 15), 50307#(<= ULTIMATE.start_main_~k~5 16), 50308#(<= ULTIMATE.start_main_~k~5 17), 50309#(<= ULTIMATE.start_main_~k~5 18), 50310#(<= ULTIMATE.start_main_~k~5 19), 50311#(<= ULTIMATE.start_main_~k~5 20), 50312#(<= ULTIMATE.start_main_~k~5 21), 50313#(<= ULTIMATE.start_main_~k~5 22), 50314#(<= ULTIMATE.start_main_~k~5 23), 50315#(<= ULTIMATE.start_main_~k~5 24), 50316#(<= ULTIMATE.start_main_~k~5 25), 50317#(<= ULTIMATE.start_main_~k~5 26), 50318#(<= ULTIMATE.start_main_~k~5 27), 50319#(<= ULTIMATE.start_main_~k~5 28), 50320#(<= ULTIMATE.start_main_~k~5 29), 50321#(<= ULTIMATE.start_main_~k~5 30), 50322#(<= ULTIMATE.start_main_~k~5 31), 50323#(<= ULTIMATE.start_main_~k~5 32), 50324#(<= ULTIMATE.start_main_~k~5 33), 50325#(<= ULTIMATE.start_main_~k~5 34), 50326#(<= ULTIMATE.start_main_~k~5 35), 50327#(<= ULTIMATE.start_main_~k~5 36), 50328#(<= ULTIMATE.start_main_~k~5 37), 50329#(<= ULTIMATE.start_main_~k~5 38), 50330#(<= ULTIMATE.start_main_~k~5 39), 50331#(<= ULTIMATE.start_main_~k~5 40), 50332#(<= ULTIMATE.start_main_~k~5 41), 50333#(<= ULTIMATE.start_main_~k~5 42), 50334#(<= ULTIMATE.start_main_~k~5 43), 50335#(<= ULTIMATE.start_main_~k~5 44), 50336#(<= ULTIMATE.start_main_~k~5 45), 50337#(<= ULTIMATE.start_main_~k~5 46), 50338#(<= ULTIMATE.start_main_~k~5 47), 50339#(<= ULTIMATE.start_main_~k~5 48), 50340#(<= ULTIMATE.start_main_~k~5 49), 50341#(<= ULTIMATE.start_main_~k~5 50), 50342#(<= ULTIMATE.start_main_~k~5 51), 50343#(<= ULTIMATE.start_main_~k~5 52), 50344#(<= ULTIMATE.start_main_~k~5 53), 50345#(<= ULTIMATE.start_main_~k~5 54), 50346#(<= ULTIMATE.start_main_~k~5 55), 50347#(<= ULTIMATE.start_main_~k~5 56), 50348#(<= ULTIMATE.start_main_~k~5 57), 50349#(<= ULTIMATE.start_main_~k~5 58), 50350#(<= ULTIMATE.start_main_~k~5 59), 50351#(<= ULTIMATE.start_main_~k~5 60), 50352#(<= ULTIMATE.start_main_~k~5 61), 50353#(<= ULTIMATE.start_main_~k~5 62), 50354#(<= ULTIMATE.start_main_~k~5 63), 50355#(<= ULTIMATE.start_main_~k~5 64), 50356#(<= ULTIMATE.start_main_~k~5 65), 50357#(<= ULTIMATE.start_main_~k~5 66), 50358#(<= ULTIMATE.start_main_~k~5 67), 50359#(<= ULTIMATE.start_main_~k~5 68), 50360#(<= ULTIMATE.start_main_~k~5 69), 50361#(<= ULTIMATE.start_main_~k~5 70), 50362#(<= ULTIMATE.start_main_~k~5 71), 50363#(<= ULTIMATE.start_main_~k~5 72), 50364#(<= ULTIMATE.start_main_~k~5 73), 50365#(<= ULTIMATE.start_main_~k~5 74), 50366#(<= ULTIMATE.start_main_~k~5 75), 50367#(<= ULTIMATE.start_main_~k~5 76), 50368#(<= ULTIMATE.start_main_~k~5 77), 50369#(<= ULTIMATE.start_main_~k~5 78), 50370#(<= ULTIMATE.start_main_~k~5 79), 50371#(<= ULTIMATE.start_main_~k~5 80), 50372#(<= ULTIMATE.start_main_~k~5 81), 50373#(<= ULTIMATE.start_main_~k~5 82), 50374#(<= ULTIMATE.start_main_~k~5 83), 50375#(<= ULTIMATE.start_main_~k~5 84), 50376#(<= ULTIMATE.start_main_~k~5 85), 50377#(<= ULTIMATE.start_main_~k~5 86), 50378#(<= ULTIMATE.start_main_~k~5 87), 50379#(<= ULTIMATE.start_main_~k~5 88), 50380#(<= ULTIMATE.start_main_~k~5 89), 50381#(<= ULTIMATE.start_main_~k~5 90), 50382#(<= ULTIMATE.start_main_~k~5 91), 50383#(<= ULTIMATE.start_main_~k~5 92), 50384#(<= ULTIMATE.start_main_~k~5 93), 50385#(<= ULTIMATE.start_main_~k~5 94), 50386#(<= ULTIMATE.start_main_~k~5 95), 50387#(<= ULTIMATE.start_main_~k~5 96), 50388#(<= ULTIMATE.start_main_~k~5 97), 50389#(<= ULTIMATE.start_main_~k~5 98), 50390#(<= ULTIMATE.start_main_~k~5 99), 50391#(<= ULTIMATE.start_main_~k~5 100), 50392#(<= ULTIMATE.start_main_~k~5 101), 50393#(<= ULTIMATE.start_main_~k~5 102), 50394#(<= ULTIMATE.start_main_~k~5 103), 50395#(<= ULTIMATE.start_main_~k~5 104), 50396#(<= ULTIMATE.start_main_~k~5 105), 50397#(<= ULTIMATE.start_main_~k~5 106), 50398#(<= ULTIMATE.start_main_~k~5 107), 50399#(<= ULTIMATE.start_main_~k~5 108), 50400#(<= ULTIMATE.start_main_~k~5 109), 50401#(<= ULTIMATE.start_main_~k~5 110), 50402#(<= ULTIMATE.start_main_~k~5 111), 50403#(<= ULTIMATE.start_main_~k~5 112), 50404#(<= ULTIMATE.start_main_~k~5 113), 50405#(<= ULTIMATE.start_main_~k~5 114), 50406#(<= ULTIMATE.start_main_~k~5 115), 50407#(<= ULTIMATE.start_main_~k~5 116), 50408#(<= ULTIMATE.start_main_~k~5 117), 50409#(<= ULTIMATE.start_main_~k~5 118), 50410#(<= ULTIMATE.start_main_~k~5 119), 50411#(<= ULTIMATE.start_main_~k~5 120), 50412#(<= ULTIMATE.start_main_~k~5 121), 50413#(<= ULTIMATE.start_main_~k~5 122), 50414#(<= ULTIMATE.start_main_~k~5 123), 50415#(<= ULTIMATE.start_main_~k~5 124), 50416#(<= ULTIMATE.start_main_~k~5 125), 50417#(<= ULTIMATE.start_main_~k~5 126), 50418#(<= ULTIMATE.start_main_~k~5 127), 50419#(<= ULTIMATE.start_main_~k~5 128), 50420#(<= ULTIMATE.start_main_~k~5 129), 50421#(<= ULTIMATE.start_main_~k~5 130), 50422#(<= ULTIMATE.start_main_~k~5 131), 50423#(<= ULTIMATE.start_main_~k~5 132), 50424#(<= ULTIMATE.start_main_~k~5 133), 50425#(<= ULTIMATE.start_main_~k~5 134), 50426#(<= ULTIMATE.start_main_~k~5 135), 50427#(<= ULTIMATE.start_main_~k~5 136), 50428#(<= ULTIMATE.start_main_~k~5 137)] [2018-07-23 13:41:26,245 INFO L134 CoverageAnalysis]: Checked inductivity of 9453 backedges. 0 proven. 9453 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2018-07-23 13:41:26,246 INFO L450 AbstractCegarLoop]: Interpolant automaton has 140 states [2018-07-23 13:41:26,247 INFO L132 InterpolantAutomaton]: Constructing interpolant automaton starting with 140 interpolants. [2018-07-23 13:41:26,248 INFO L133 InterpolantAutomaton]: CoverageRelationStatistics Valid=9730, Invalid=9730, Unknown=0, NotChecked=0, Total=19460 [2018-07-23 13:41:26,248 INFO L87 Difference]: Start difference. First operand 141 states and 141 transitions. Second operand 140 states. [2018-07-23 13:41:26,493 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2018-07-23 13:41:26,493 INFO L93 Difference]: Finished difference Result 144 states and 144 transitions. [2018-07-23 13:41:26,493 INFO L142 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 140 states. [2018-07-23 13:41:26,493 INFO L78 Accepts]: Start accepts. Automaton has 140 states. Word has length 140 [2018-07-23 13:41:26,493 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2018-07-23 13:41:26,493 INFO L225 Difference]: With dead ends: 144 [2018-07-23 13:41:26,494 INFO L226 Difference]: Without dead ends: 142 [2018-07-23 13:41:26,494 INFO L575 BasicCegarLoop]: 0 DeclaredPredicates, 139 GetRequests, 1 SyntacticMatches, 0 SemanticMatches, 138 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 0 ImplicationChecksByTransitivity, 0.3s TimeCoverageRelationStatistics Valid=9730, Invalid=9730, Unknown=0, NotChecked=0, Total=19460 [2018-07-23 13:41:26,494 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 142 states. [2018-07-23 13:41:26,496 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 142 to 142. [2018-07-23 13:41:26,496 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 142 states. [2018-07-23 13:41:26,496 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 142 states to 142 states and 142 transitions. [2018-07-23 13:41:26,496 INFO L78 Accepts]: Start accepts. Automaton has 142 states and 142 transitions. Word has length 140 [2018-07-23 13:41:26,497 INFO L84 Accepts]: Finished accepts. word is rejected. [2018-07-23 13:41:26,497 INFO L471 AbstractCegarLoop]: Abstraction has 142 states and 142 transitions. [2018-07-23 13:41:26,497 INFO L472 AbstractCegarLoop]: Interpolant automaton has 140 states. [2018-07-23 13:41:26,497 INFO L276 IsEmpty]: Start isEmpty. Operand 142 states and 142 transitions. [2018-07-23 13:41:26,497 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 142 [2018-07-23 13:41:26,497 INFO L349 BasicCegarLoop]: Found error trace [2018-07-23 13:41:26,497 INFO L357 BasicCegarLoop]: trace histogram [138, 1, 1, 1] [2018-07-23 13:41:26,497 INFO L414 AbstractCegarLoop]: === Iteration 139 === [ULTIMATE.startErr0AssertViolationASSERT]=== [2018-07-23 13:41:26,497 INFO L82 PathProgramCache]: Analyzing trace with hash -1714868831, now seen corresponding path program 138 times [2018-07-23 13:41:26,498 INFO L69 tionRefinementEngine]: Using refinement strategy FixedRefinementStrategy [2018-07-23 13:41:26,539 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-07-23 13:41:27,042 INFO L134 CoverageAnalysis]: Checked inductivity of 9591 backedges. 0 proven. 9591 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2018-07-23 13:41:27,042 INFO L309 seRefinementStrategy]: Constructing automaton from 0 perfect and 1 imperfect interpolant sequences. [2018-07-23 13:41:27,042 INFO L324 seRefinementStrategy]: Number of different interpolants: perfect sequences [] imperfect sequences [140] total 140 [2018-07-23 13:41:27,042 INFO L142 lantAutomatonBuilder]: Constructing canonical interpolant automaton, with selfloop in false state [2018-07-23 13:41:27,043 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2018-07-23 13:41:27,043 INFO L185 omatonBuilderFactory]: Interpolants [51001#true, 51002#false, 51003#(<= ULTIMATE.start_main_~k~5 0), 51004#(<= ULTIMATE.start_main_~k~5 1), 51005#(<= ULTIMATE.start_main_~k~5 2), 51006#(<= ULTIMATE.start_main_~k~5 3), 51007#(<= ULTIMATE.start_main_~k~5 4), 51008#(<= ULTIMATE.start_main_~k~5 5), 51009#(<= ULTIMATE.start_main_~k~5 6), 51010#(<= ULTIMATE.start_main_~k~5 7), 51011#(<= ULTIMATE.start_main_~k~5 8), 51012#(<= ULTIMATE.start_main_~k~5 9), 51013#(<= ULTIMATE.start_main_~k~5 10), 51014#(<= ULTIMATE.start_main_~k~5 11), 51015#(<= ULTIMATE.start_main_~k~5 12), 51016#(<= ULTIMATE.start_main_~k~5 13), 51017#(<= ULTIMATE.start_main_~k~5 14), 51018#(<= ULTIMATE.start_main_~k~5 15), 51019#(<= ULTIMATE.start_main_~k~5 16), 51020#(<= ULTIMATE.start_main_~k~5 17), 51021#(<= ULTIMATE.start_main_~k~5 18), 51022#(<= ULTIMATE.start_main_~k~5 19), 51023#(<= ULTIMATE.start_main_~k~5 20), 51024#(<= ULTIMATE.start_main_~k~5 21), 51025#(<= ULTIMATE.start_main_~k~5 22), 51026#(<= ULTIMATE.start_main_~k~5 23), 51027#(<= ULTIMATE.start_main_~k~5 24), 51028#(<= ULTIMATE.start_main_~k~5 25), 51029#(<= ULTIMATE.start_main_~k~5 26), 51030#(<= ULTIMATE.start_main_~k~5 27), 51031#(<= ULTIMATE.start_main_~k~5 28), 51032#(<= ULTIMATE.start_main_~k~5 29), 51033#(<= ULTIMATE.start_main_~k~5 30), 51034#(<= ULTIMATE.start_main_~k~5 31), 51035#(<= ULTIMATE.start_main_~k~5 32), 51036#(<= ULTIMATE.start_main_~k~5 33), 51037#(<= ULTIMATE.start_main_~k~5 34), 51038#(<= ULTIMATE.start_main_~k~5 35), 51039#(<= ULTIMATE.start_main_~k~5 36), 51040#(<= ULTIMATE.start_main_~k~5 37), 51041#(<= ULTIMATE.start_main_~k~5 38), 51042#(<= ULTIMATE.start_main_~k~5 39), 51043#(<= ULTIMATE.start_main_~k~5 40), 51044#(<= ULTIMATE.start_main_~k~5 41), 51045#(<= ULTIMATE.start_main_~k~5 42), 51046#(<= ULTIMATE.start_main_~k~5 43), 51047#(<= ULTIMATE.start_main_~k~5 44), 51048#(<= ULTIMATE.start_main_~k~5 45), 51049#(<= ULTIMATE.start_main_~k~5 46), 51050#(<= ULTIMATE.start_main_~k~5 47), 51051#(<= ULTIMATE.start_main_~k~5 48), 51052#(<= ULTIMATE.start_main_~k~5 49), 51053#(<= ULTIMATE.start_main_~k~5 50), 51054#(<= ULTIMATE.start_main_~k~5 51), 51055#(<= ULTIMATE.start_main_~k~5 52), 51056#(<= ULTIMATE.start_main_~k~5 53), 51057#(<= ULTIMATE.start_main_~k~5 54), 51058#(<= ULTIMATE.start_main_~k~5 55), 51059#(<= ULTIMATE.start_main_~k~5 56), 51060#(<= ULTIMATE.start_main_~k~5 57), 51061#(<= ULTIMATE.start_main_~k~5 58), 51062#(<= ULTIMATE.start_main_~k~5 59), 51063#(<= ULTIMATE.start_main_~k~5 60), 51064#(<= ULTIMATE.start_main_~k~5 61), 51065#(<= ULTIMATE.start_main_~k~5 62), 51066#(<= ULTIMATE.start_main_~k~5 63), 51067#(<= ULTIMATE.start_main_~k~5 64), 51068#(<= ULTIMATE.start_main_~k~5 65), 51069#(<= ULTIMATE.start_main_~k~5 66), 51070#(<= ULTIMATE.start_main_~k~5 67), 51071#(<= ULTIMATE.start_main_~k~5 68), 51072#(<= ULTIMATE.start_main_~k~5 69), 51073#(<= ULTIMATE.start_main_~k~5 70), 51074#(<= ULTIMATE.start_main_~k~5 71), 51075#(<= ULTIMATE.start_main_~k~5 72), 51076#(<= ULTIMATE.start_main_~k~5 73), 51077#(<= ULTIMATE.start_main_~k~5 74), 51078#(<= ULTIMATE.start_main_~k~5 75), 51079#(<= ULTIMATE.start_main_~k~5 76), 51080#(<= ULTIMATE.start_main_~k~5 77), 51081#(<= ULTIMATE.start_main_~k~5 78), 51082#(<= ULTIMATE.start_main_~k~5 79), 51083#(<= ULTIMATE.start_main_~k~5 80), 51084#(<= ULTIMATE.start_main_~k~5 81), 51085#(<= ULTIMATE.start_main_~k~5 82), 51086#(<= ULTIMATE.start_main_~k~5 83), 51087#(<= ULTIMATE.start_main_~k~5 84), 51088#(<= ULTIMATE.start_main_~k~5 85), 51089#(<= ULTIMATE.start_main_~k~5 86), 51090#(<= ULTIMATE.start_main_~k~5 87), 51091#(<= ULTIMATE.start_main_~k~5 88), 51092#(<= ULTIMATE.start_main_~k~5 89), 51093#(<= ULTIMATE.start_main_~k~5 90), 51094#(<= ULTIMATE.start_main_~k~5 91), 51095#(<= ULTIMATE.start_main_~k~5 92), 51096#(<= ULTIMATE.start_main_~k~5 93), 51097#(<= ULTIMATE.start_main_~k~5 94), 51098#(<= ULTIMATE.start_main_~k~5 95), 51099#(<= ULTIMATE.start_main_~k~5 96), 51100#(<= ULTIMATE.start_main_~k~5 97), 51101#(<= ULTIMATE.start_main_~k~5 98), 51102#(<= ULTIMATE.start_main_~k~5 99), 51103#(<= ULTIMATE.start_main_~k~5 100), 51104#(<= ULTIMATE.start_main_~k~5 101), 51105#(<= ULTIMATE.start_main_~k~5 102), 51106#(<= ULTIMATE.start_main_~k~5 103), 51107#(<= ULTIMATE.start_main_~k~5 104), 51108#(<= ULTIMATE.start_main_~k~5 105), 51109#(<= ULTIMATE.start_main_~k~5 106), 51110#(<= ULTIMATE.start_main_~k~5 107), 51111#(<= ULTIMATE.start_main_~k~5 108), 51112#(<= ULTIMATE.start_main_~k~5 109), 51113#(<= ULTIMATE.start_main_~k~5 110), 51114#(<= ULTIMATE.start_main_~k~5 111), 51115#(<= ULTIMATE.start_main_~k~5 112), 51116#(<= ULTIMATE.start_main_~k~5 113), 51117#(<= ULTIMATE.start_main_~k~5 114), 51118#(<= ULTIMATE.start_main_~k~5 115), 51119#(<= ULTIMATE.start_main_~k~5 116), 51120#(<= ULTIMATE.start_main_~k~5 117), 51121#(<= ULTIMATE.start_main_~k~5 118), 51122#(<= ULTIMATE.start_main_~k~5 119), 51123#(<= ULTIMATE.start_main_~k~5 120), 51124#(<= ULTIMATE.start_main_~k~5 121), 51125#(<= ULTIMATE.start_main_~k~5 122), 51126#(<= ULTIMATE.start_main_~k~5 123), 51127#(<= ULTIMATE.start_main_~k~5 124), 51128#(<= ULTIMATE.start_main_~k~5 125), 51129#(<= ULTIMATE.start_main_~k~5 126), 51130#(<= ULTIMATE.start_main_~k~5 127), 51131#(<= ULTIMATE.start_main_~k~5 128), 51132#(<= ULTIMATE.start_main_~k~5 129), 51133#(<= ULTIMATE.start_main_~k~5 130), 51134#(<= ULTIMATE.start_main_~k~5 131), 51135#(<= ULTIMATE.start_main_~k~5 132), 51136#(<= ULTIMATE.start_main_~k~5 133), 51137#(<= ULTIMATE.start_main_~k~5 134), 51138#(<= ULTIMATE.start_main_~k~5 135), 51139#(<= ULTIMATE.start_main_~k~5 136), 51140#(<= ULTIMATE.start_main_~k~5 137), 51141#(<= ULTIMATE.start_main_~k~5 138)] [2018-07-23 13:41:27,044 INFO L134 CoverageAnalysis]: Checked inductivity of 9591 backedges. 0 proven. 9591 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2018-07-23 13:41:27,044 INFO L450 AbstractCegarLoop]: Interpolant automaton has 141 states [2018-07-23 13:41:27,045 INFO L132 InterpolantAutomaton]: Constructing interpolant automaton starting with 141 interpolants. [2018-07-23 13:41:27,046 INFO L133 InterpolantAutomaton]: CoverageRelationStatistics Valid=9870, Invalid=9870, Unknown=0, NotChecked=0, Total=19740 [2018-07-23 13:41:27,046 INFO L87 Difference]: Start difference. First operand 142 states and 142 transitions. Second operand 141 states. [2018-07-23 13:41:27,341 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2018-07-23 13:41:27,341 INFO L93 Difference]: Finished difference Result 145 states and 145 transitions. [2018-07-23 13:41:27,341 INFO L142 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 141 states. [2018-07-23 13:41:27,342 INFO L78 Accepts]: Start accepts. Automaton has 141 states. Word has length 141 [2018-07-23 13:41:27,342 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2018-07-23 13:41:27,342 INFO L225 Difference]: With dead ends: 145 [2018-07-23 13:41:27,342 INFO L226 Difference]: Without dead ends: 143 [2018-07-23 13:41:27,343 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 13:41:27,343 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 143 states. [2018-07-23 13:41:27,346 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 143 to 143. [2018-07-23 13:41:27,346 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 143 states. [2018-07-23 13:41:27,346 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 143 states to 143 states and 143 transitions. [2018-07-23 13:41:27,346 INFO L78 Accepts]: Start accepts. Automaton has 143 states and 143 transitions. Word has length 141 [2018-07-23 13:41:27,346 INFO L84 Accepts]: Finished accepts. word is rejected. [2018-07-23 13:41:27,346 INFO L471 AbstractCegarLoop]: Abstraction has 143 states and 143 transitions. [2018-07-23 13:41:27,346 INFO L472 AbstractCegarLoop]: Interpolant automaton has 141 states. [2018-07-23 13:41:27,347 INFO L276 IsEmpty]: Start isEmpty. Operand 143 states and 143 transitions. [2018-07-23 13:41:27,347 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 143 [2018-07-23 13:41:27,347 INFO L349 BasicCegarLoop]: Found error trace [2018-07-23 13:41:27,347 INFO L357 BasicCegarLoop]: trace histogram [139, 1, 1, 1] [2018-07-23 13:41:27,347 INFO L414 AbstractCegarLoop]: === Iteration 140 === [ULTIMATE.startErr0AssertViolationASSERT]=== [2018-07-23 13:41:27,347 INFO L82 PathProgramCache]: Analyzing trace with hash -1621328184, now seen corresponding path program 139 times [2018-07-23 13:41:27,348 INFO L69 tionRefinementEngine]: Using refinement strategy FixedRefinementStrategy [2018-07-23 13:41:27,419 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-07-23 13:41:28,048 INFO L134 CoverageAnalysis]: Checked inductivity of 9730 backedges. 0 proven. 9730 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2018-07-23 13:41:28,048 INFO L309 seRefinementStrategy]: Constructing automaton from 0 perfect and 1 imperfect interpolant sequences. [2018-07-23 13:41:28,049 INFO L324 seRefinementStrategy]: Number of different interpolants: perfect sequences [] imperfect sequences [141] total 141 [2018-07-23 13:41:28,049 INFO L142 lantAutomatonBuilder]: Constructing canonical interpolant automaton, with selfloop in false state [2018-07-23 13:41:28,049 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2018-07-23 13:41:28,049 INFO L185 omatonBuilderFactory]: Interpolants [51718#true, 51719#false, 51720#(<= ULTIMATE.start_main_~k~5 0), 51721#(<= ULTIMATE.start_main_~k~5 1), 51722#(<= ULTIMATE.start_main_~k~5 2), 51723#(<= ULTIMATE.start_main_~k~5 3), 51724#(<= ULTIMATE.start_main_~k~5 4), 51725#(<= ULTIMATE.start_main_~k~5 5), 51726#(<= ULTIMATE.start_main_~k~5 6), 51727#(<= ULTIMATE.start_main_~k~5 7), 51728#(<= ULTIMATE.start_main_~k~5 8), 51729#(<= ULTIMATE.start_main_~k~5 9), 51730#(<= ULTIMATE.start_main_~k~5 10), 51731#(<= ULTIMATE.start_main_~k~5 11), 51732#(<= ULTIMATE.start_main_~k~5 12), 51733#(<= ULTIMATE.start_main_~k~5 13), 51734#(<= ULTIMATE.start_main_~k~5 14), 51735#(<= ULTIMATE.start_main_~k~5 15), 51736#(<= ULTIMATE.start_main_~k~5 16), 51737#(<= ULTIMATE.start_main_~k~5 17), 51738#(<= ULTIMATE.start_main_~k~5 18), 51739#(<= ULTIMATE.start_main_~k~5 19), 51740#(<= ULTIMATE.start_main_~k~5 20), 51741#(<= ULTIMATE.start_main_~k~5 21), 51742#(<= ULTIMATE.start_main_~k~5 22), 51743#(<= ULTIMATE.start_main_~k~5 23), 51744#(<= ULTIMATE.start_main_~k~5 24), 51745#(<= ULTIMATE.start_main_~k~5 25), 51746#(<= ULTIMATE.start_main_~k~5 26), 51747#(<= ULTIMATE.start_main_~k~5 27), 51748#(<= ULTIMATE.start_main_~k~5 28), 51749#(<= ULTIMATE.start_main_~k~5 29), 51750#(<= ULTIMATE.start_main_~k~5 30), 51751#(<= ULTIMATE.start_main_~k~5 31), 51752#(<= ULTIMATE.start_main_~k~5 32), 51753#(<= ULTIMATE.start_main_~k~5 33), 51754#(<= ULTIMATE.start_main_~k~5 34), 51755#(<= ULTIMATE.start_main_~k~5 35), 51756#(<= ULTIMATE.start_main_~k~5 36), 51757#(<= ULTIMATE.start_main_~k~5 37), 51758#(<= ULTIMATE.start_main_~k~5 38), 51759#(<= ULTIMATE.start_main_~k~5 39), 51760#(<= ULTIMATE.start_main_~k~5 40), 51761#(<= ULTIMATE.start_main_~k~5 41), 51762#(<= ULTIMATE.start_main_~k~5 42), 51763#(<= ULTIMATE.start_main_~k~5 43), 51764#(<= ULTIMATE.start_main_~k~5 44), 51765#(<= ULTIMATE.start_main_~k~5 45), 51766#(<= ULTIMATE.start_main_~k~5 46), 51767#(<= ULTIMATE.start_main_~k~5 47), 51768#(<= ULTIMATE.start_main_~k~5 48), 51769#(<= ULTIMATE.start_main_~k~5 49), 51770#(<= ULTIMATE.start_main_~k~5 50), 51771#(<= ULTIMATE.start_main_~k~5 51), 51772#(<= ULTIMATE.start_main_~k~5 52), 51773#(<= ULTIMATE.start_main_~k~5 53), 51774#(<= ULTIMATE.start_main_~k~5 54), 51775#(<= ULTIMATE.start_main_~k~5 55), 51776#(<= ULTIMATE.start_main_~k~5 56), 51777#(<= ULTIMATE.start_main_~k~5 57), 51778#(<= ULTIMATE.start_main_~k~5 58), 51779#(<= ULTIMATE.start_main_~k~5 59), 51780#(<= ULTIMATE.start_main_~k~5 60), 51781#(<= ULTIMATE.start_main_~k~5 61), 51782#(<= ULTIMATE.start_main_~k~5 62), 51783#(<= ULTIMATE.start_main_~k~5 63), 51784#(<= ULTIMATE.start_main_~k~5 64), 51785#(<= ULTIMATE.start_main_~k~5 65), 51786#(<= ULTIMATE.start_main_~k~5 66), 51787#(<= ULTIMATE.start_main_~k~5 67), 51788#(<= ULTIMATE.start_main_~k~5 68), 51789#(<= ULTIMATE.start_main_~k~5 69), 51790#(<= ULTIMATE.start_main_~k~5 70), 51791#(<= ULTIMATE.start_main_~k~5 71), 51792#(<= ULTIMATE.start_main_~k~5 72), 51793#(<= ULTIMATE.start_main_~k~5 73), 51794#(<= ULTIMATE.start_main_~k~5 74), 51795#(<= ULTIMATE.start_main_~k~5 75), 51796#(<= ULTIMATE.start_main_~k~5 76), 51797#(<= ULTIMATE.start_main_~k~5 77), 51798#(<= ULTIMATE.start_main_~k~5 78), 51799#(<= ULTIMATE.start_main_~k~5 79), 51800#(<= ULTIMATE.start_main_~k~5 80), 51801#(<= ULTIMATE.start_main_~k~5 81), 51802#(<= ULTIMATE.start_main_~k~5 82), 51803#(<= ULTIMATE.start_main_~k~5 83), 51804#(<= ULTIMATE.start_main_~k~5 84), 51805#(<= ULTIMATE.start_main_~k~5 85), 51806#(<= ULTIMATE.start_main_~k~5 86), 51807#(<= ULTIMATE.start_main_~k~5 87), 51808#(<= ULTIMATE.start_main_~k~5 88), 51809#(<= ULTIMATE.start_main_~k~5 89), 51810#(<= ULTIMATE.start_main_~k~5 90), 51811#(<= ULTIMATE.start_main_~k~5 91), 51812#(<= ULTIMATE.start_main_~k~5 92), 51813#(<= ULTIMATE.start_main_~k~5 93), 51814#(<= ULTIMATE.start_main_~k~5 94), 51815#(<= ULTIMATE.start_main_~k~5 95), 51816#(<= ULTIMATE.start_main_~k~5 96), 51817#(<= ULTIMATE.start_main_~k~5 97), 51818#(<= ULTIMATE.start_main_~k~5 98), 51819#(<= ULTIMATE.start_main_~k~5 99), 51820#(<= ULTIMATE.start_main_~k~5 100), 51821#(<= ULTIMATE.start_main_~k~5 101), 51822#(<= ULTIMATE.start_main_~k~5 102), 51823#(<= ULTIMATE.start_main_~k~5 103), 51824#(<= ULTIMATE.start_main_~k~5 104), 51825#(<= ULTIMATE.start_main_~k~5 105), 51826#(<= ULTIMATE.start_main_~k~5 106), 51827#(<= ULTIMATE.start_main_~k~5 107), 51828#(<= ULTIMATE.start_main_~k~5 108), 51829#(<= ULTIMATE.start_main_~k~5 109), 51830#(<= ULTIMATE.start_main_~k~5 110), 51831#(<= ULTIMATE.start_main_~k~5 111), 51832#(<= ULTIMATE.start_main_~k~5 112), 51833#(<= ULTIMATE.start_main_~k~5 113), 51834#(<= ULTIMATE.start_main_~k~5 114), 51835#(<= ULTIMATE.start_main_~k~5 115), 51836#(<= ULTIMATE.start_main_~k~5 116), 51837#(<= ULTIMATE.start_main_~k~5 117), 51838#(<= ULTIMATE.start_main_~k~5 118), 51839#(<= ULTIMATE.start_main_~k~5 119), 51840#(<= ULTIMATE.start_main_~k~5 120), 51841#(<= ULTIMATE.start_main_~k~5 121), 51842#(<= ULTIMATE.start_main_~k~5 122), 51843#(<= ULTIMATE.start_main_~k~5 123), 51844#(<= ULTIMATE.start_main_~k~5 124), 51845#(<= ULTIMATE.start_main_~k~5 125), 51846#(<= ULTIMATE.start_main_~k~5 126), 51847#(<= ULTIMATE.start_main_~k~5 127), 51848#(<= ULTIMATE.start_main_~k~5 128), 51849#(<= ULTIMATE.start_main_~k~5 129), 51850#(<= ULTIMATE.start_main_~k~5 130), 51851#(<= ULTIMATE.start_main_~k~5 131), 51852#(<= ULTIMATE.start_main_~k~5 132), 51853#(<= ULTIMATE.start_main_~k~5 133), 51854#(<= ULTIMATE.start_main_~k~5 134), 51855#(<= ULTIMATE.start_main_~k~5 135), 51856#(<= ULTIMATE.start_main_~k~5 136), 51857#(<= ULTIMATE.start_main_~k~5 137), 51858#(<= ULTIMATE.start_main_~k~5 138), 51859#(<= ULTIMATE.start_main_~k~5 139)] [2018-07-23 13:41:28,050 INFO L134 CoverageAnalysis]: Checked inductivity of 9730 backedges. 0 proven. 9730 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2018-07-23 13:41:28,050 INFO L450 AbstractCegarLoop]: Interpolant automaton has 142 states [2018-07-23 13:41:28,051 INFO L132 InterpolantAutomaton]: Constructing interpolant automaton starting with 142 interpolants. [2018-07-23 13:41:28,051 INFO L133 InterpolantAutomaton]: CoverageRelationStatistics Valid=10011, Invalid=10011, Unknown=0, NotChecked=0, Total=20022 [2018-07-23 13:41:28,051 INFO L87 Difference]: Start difference. First operand 143 states and 143 transitions. Second operand 142 states. [2018-07-23 13:41:28,325 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2018-07-23 13:41:28,325 INFO L93 Difference]: Finished difference Result 146 states and 146 transitions. [2018-07-23 13:41:28,325 INFO L142 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 142 states. [2018-07-23 13:41:28,325 INFO L78 Accepts]: Start accepts. Automaton has 142 states. Word has length 142 [2018-07-23 13:41:28,326 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2018-07-23 13:41:28,326 INFO L225 Difference]: With dead ends: 146 [2018-07-23 13:41:28,326 INFO L226 Difference]: Without dead ends: 144 [2018-07-23 13:41:28,327 INFO L575 BasicCegarLoop]: 0 DeclaredPredicates, 141 GetRequests, 1 SyntacticMatches, 0 SemanticMatches, 140 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 0 ImplicationChecksByTransitivity, 0.5s TimeCoverageRelationStatistics Valid=10011, Invalid=10011, Unknown=0, NotChecked=0, Total=20022 [2018-07-23 13:41:28,327 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 144 states. [2018-07-23 13:41:28,328 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 144 to 144. [2018-07-23 13:41:28,329 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 144 states. [2018-07-23 13:41:28,329 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 144 states to 144 states and 144 transitions. [2018-07-23 13:41:28,329 INFO L78 Accepts]: Start accepts. Automaton has 144 states and 144 transitions. Word has length 142 [2018-07-23 13:41:28,329 INFO L84 Accepts]: Finished accepts. word is rejected. [2018-07-23 13:41:28,329 INFO L471 AbstractCegarLoop]: Abstraction has 144 states and 144 transitions. [2018-07-23 13:41:28,329 INFO L472 AbstractCegarLoop]: Interpolant automaton has 142 states. [2018-07-23 13:41:28,330 INFO L276 IsEmpty]: Start isEmpty. Operand 144 states and 144 transitions. [2018-07-23 13:41:28,330 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 144 [2018-07-23 13:41:28,330 INFO L349 BasicCegarLoop]: Found error trace [2018-07-23 13:41:28,330 INFO L357 BasicCegarLoop]: trace histogram [140, 1, 1, 1] [2018-07-23 13:41:28,330 INFO L414 AbstractCegarLoop]: === Iteration 141 === [ULTIMATE.startErr0AssertViolationASSERT]=== [2018-07-23 13:41:28,331 INFO L82 PathProgramCache]: Analyzing trace with hash 1278431873, now seen corresponding path program 140 times [2018-07-23 13:41:28,331 INFO L69 tionRefinementEngine]: Using refinement strategy FixedRefinementStrategy [2018-07-23 13:41:28,368 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-07-23 13:41:28,796 INFO L134 CoverageAnalysis]: Checked inductivity of 9870 backedges. 0 proven. 9870 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2018-07-23 13:41:28,796 INFO L309 seRefinementStrategy]: Constructing automaton from 0 perfect and 1 imperfect interpolant sequences. [2018-07-23 13:41:28,796 INFO L324 seRefinementStrategy]: Number of different interpolants: perfect sequences [] imperfect sequences [142] total 142 [2018-07-23 13:41:28,796 INFO L142 lantAutomatonBuilder]: Constructing canonical interpolant automaton, with selfloop in false state [2018-07-23 13:41:28,797 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2018-07-23 13:41:28,797 INFO L185 omatonBuilderFactory]: Interpolants [52480#(<= ULTIMATE.start_main_~k~5 38), 52481#(<= ULTIMATE.start_main_~k~5 39), 52482#(<= ULTIMATE.start_main_~k~5 40), 52483#(<= ULTIMATE.start_main_~k~5 41), 52484#(<= ULTIMATE.start_main_~k~5 42), 52485#(<= ULTIMATE.start_main_~k~5 43), 52486#(<= ULTIMATE.start_main_~k~5 44), 52487#(<= ULTIMATE.start_main_~k~5 45), 52488#(<= ULTIMATE.start_main_~k~5 46), 52489#(<= ULTIMATE.start_main_~k~5 47), 52490#(<= ULTIMATE.start_main_~k~5 48), 52491#(<= ULTIMATE.start_main_~k~5 49), 52492#(<= ULTIMATE.start_main_~k~5 50), 52493#(<= ULTIMATE.start_main_~k~5 51), 52494#(<= ULTIMATE.start_main_~k~5 52), 52495#(<= ULTIMATE.start_main_~k~5 53), 52496#(<= ULTIMATE.start_main_~k~5 54), 52497#(<= ULTIMATE.start_main_~k~5 55), 52498#(<= ULTIMATE.start_main_~k~5 56), 52499#(<= ULTIMATE.start_main_~k~5 57), 52500#(<= ULTIMATE.start_main_~k~5 58), 52501#(<= ULTIMATE.start_main_~k~5 59), 52502#(<= ULTIMATE.start_main_~k~5 60), 52503#(<= ULTIMATE.start_main_~k~5 61), 52504#(<= ULTIMATE.start_main_~k~5 62), 52505#(<= ULTIMATE.start_main_~k~5 63), 52506#(<= ULTIMATE.start_main_~k~5 64), 52507#(<= ULTIMATE.start_main_~k~5 65), 52508#(<= ULTIMATE.start_main_~k~5 66), 52509#(<= ULTIMATE.start_main_~k~5 67), 52510#(<= ULTIMATE.start_main_~k~5 68), 52511#(<= ULTIMATE.start_main_~k~5 69), 52512#(<= ULTIMATE.start_main_~k~5 70), 52513#(<= ULTIMATE.start_main_~k~5 71), 52514#(<= ULTIMATE.start_main_~k~5 72), 52515#(<= ULTIMATE.start_main_~k~5 73), 52516#(<= ULTIMATE.start_main_~k~5 74), 52517#(<= ULTIMATE.start_main_~k~5 75), 52518#(<= ULTIMATE.start_main_~k~5 76), 52519#(<= ULTIMATE.start_main_~k~5 77), 52520#(<= ULTIMATE.start_main_~k~5 78), 52521#(<= ULTIMATE.start_main_~k~5 79), 52522#(<= ULTIMATE.start_main_~k~5 80), 52523#(<= ULTIMATE.start_main_~k~5 81), 52524#(<= ULTIMATE.start_main_~k~5 82), 52525#(<= ULTIMATE.start_main_~k~5 83), 52526#(<= ULTIMATE.start_main_~k~5 84), 52527#(<= ULTIMATE.start_main_~k~5 85), 52528#(<= ULTIMATE.start_main_~k~5 86), 52529#(<= ULTIMATE.start_main_~k~5 87), 52530#(<= ULTIMATE.start_main_~k~5 88), 52531#(<= ULTIMATE.start_main_~k~5 89), 52532#(<= ULTIMATE.start_main_~k~5 90), 52533#(<= ULTIMATE.start_main_~k~5 91), 52534#(<= ULTIMATE.start_main_~k~5 92), 52535#(<= ULTIMATE.start_main_~k~5 93), 52536#(<= ULTIMATE.start_main_~k~5 94), 52537#(<= ULTIMATE.start_main_~k~5 95), 52538#(<= ULTIMATE.start_main_~k~5 96), 52539#(<= ULTIMATE.start_main_~k~5 97), 52540#(<= ULTIMATE.start_main_~k~5 98), 52541#(<= ULTIMATE.start_main_~k~5 99), 52542#(<= ULTIMATE.start_main_~k~5 100), 52543#(<= ULTIMATE.start_main_~k~5 101), 52544#(<= ULTIMATE.start_main_~k~5 102), 52545#(<= ULTIMATE.start_main_~k~5 103), 52546#(<= ULTIMATE.start_main_~k~5 104), 52547#(<= ULTIMATE.start_main_~k~5 105), 52548#(<= ULTIMATE.start_main_~k~5 106), 52549#(<= ULTIMATE.start_main_~k~5 107), 52550#(<= ULTIMATE.start_main_~k~5 108), 52551#(<= ULTIMATE.start_main_~k~5 109), 52552#(<= ULTIMATE.start_main_~k~5 110), 52553#(<= ULTIMATE.start_main_~k~5 111), 52554#(<= ULTIMATE.start_main_~k~5 112), 52555#(<= ULTIMATE.start_main_~k~5 113), 52556#(<= ULTIMATE.start_main_~k~5 114), 52557#(<= ULTIMATE.start_main_~k~5 115), 52558#(<= ULTIMATE.start_main_~k~5 116), 52559#(<= ULTIMATE.start_main_~k~5 117), 52560#(<= ULTIMATE.start_main_~k~5 118), 52561#(<= ULTIMATE.start_main_~k~5 119), 52562#(<= ULTIMATE.start_main_~k~5 120), 52563#(<= ULTIMATE.start_main_~k~5 121), 52564#(<= ULTIMATE.start_main_~k~5 122), 52565#(<= ULTIMATE.start_main_~k~5 123), 52566#(<= ULTIMATE.start_main_~k~5 124), 52567#(<= ULTIMATE.start_main_~k~5 125), 52568#(<= ULTIMATE.start_main_~k~5 126), 52569#(<= ULTIMATE.start_main_~k~5 127), 52570#(<= ULTIMATE.start_main_~k~5 128), 52571#(<= ULTIMATE.start_main_~k~5 129), 52572#(<= ULTIMATE.start_main_~k~5 130), 52573#(<= ULTIMATE.start_main_~k~5 131), 52574#(<= ULTIMATE.start_main_~k~5 132), 52575#(<= ULTIMATE.start_main_~k~5 133), 52576#(<= ULTIMATE.start_main_~k~5 134), 52577#(<= ULTIMATE.start_main_~k~5 135), 52578#(<= ULTIMATE.start_main_~k~5 136), 52579#(<= ULTIMATE.start_main_~k~5 137), 52580#(<= ULTIMATE.start_main_~k~5 138), 52581#(<= ULTIMATE.start_main_~k~5 139), 52582#(<= ULTIMATE.start_main_~k~5 140), 52440#true, 52441#false, 52442#(<= ULTIMATE.start_main_~k~5 0), 52443#(<= ULTIMATE.start_main_~k~5 1), 52444#(<= ULTIMATE.start_main_~k~5 2), 52445#(<= ULTIMATE.start_main_~k~5 3), 52446#(<= ULTIMATE.start_main_~k~5 4), 52447#(<= ULTIMATE.start_main_~k~5 5), 52448#(<= ULTIMATE.start_main_~k~5 6), 52449#(<= ULTIMATE.start_main_~k~5 7), 52450#(<= ULTIMATE.start_main_~k~5 8), 52451#(<= ULTIMATE.start_main_~k~5 9), 52452#(<= ULTIMATE.start_main_~k~5 10), 52453#(<= ULTIMATE.start_main_~k~5 11), 52454#(<= ULTIMATE.start_main_~k~5 12), 52455#(<= ULTIMATE.start_main_~k~5 13), 52456#(<= ULTIMATE.start_main_~k~5 14), 52457#(<= ULTIMATE.start_main_~k~5 15), 52458#(<= ULTIMATE.start_main_~k~5 16), 52459#(<= ULTIMATE.start_main_~k~5 17), 52460#(<= ULTIMATE.start_main_~k~5 18), 52461#(<= ULTIMATE.start_main_~k~5 19), 52462#(<= ULTIMATE.start_main_~k~5 20), 52463#(<= ULTIMATE.start_main_~k~5 21), 52464#(<= ULTIMATE.start_main_~k~5 22), 52465#(<= ULTIMATE.start_main_~k~5 23), 52466#(<= ULTIMATE.start_main_~k~5 24), 52467#(<= ULTIMATE.start_main_~k~5 25), 52468#(<= ULTIMATE.start_main_~k~5 26), 52469#(<= ULTIMATE.start_main_~k~5 27), 52470#(<= ULTIMATE.start_main_~k~5 28), 52471#(<= ULTIMATE.start_main_~k~5 29), 52472#(<= ULTIMATE.start_main_~k~5 30), 52473#(<= ULTIMATE.start_main_~k~5 31), 52474#(<= ULTIMATE.start_main_~k~5 32), 52475#(<= ULTIMATE.start_main_~k~5 33), 52476#(<= ULTIMATE.start_main_~k~5 34), 52477#(<= ULTIMATE.start_main_~k~5 35), 52478#(<= ULTIMATE.start_main_~k~5 36), 52479#(<= ULTIMATE.start_main_~k~5 37)] [2018-07-23 13:41:28,797 INFO L134 CoverageAnalysis]: Checked inductivity of 9870 backedges. 0 proven. 9870 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2018-07-23 13:41:28,798 INFO L450 AbstractCegarLoop]: Interpolant automaton has 143 states [2018-07-23 13:41:28,799 INFO L132 InterpolantAutomaton]: Constructing interpolant automaton starting with 143 interpolants. [2018-07-23 13:41:28,799 INFO L133 InterpolantAutomaton]: CoverageRelationStatistics Valid=10153, Invalid=10153, Unknown=0, NotChecked=0, Total=20306 [2018-07-23 13:41:28,799 INFO L87 Difference]: Start difference. First operand 144 states and 144 transitions. Second operand 143 states. [2018-07-23 13:41:28,977 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2018-07-23 13:41:28,977 INFO L93 Difference]: Finished difference Result 147 states and 147 transitions. [2018-07-23 13:41:28,977 INFO L142 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 143 states. [2018-07-23 13:41:28,977 INFO L78 Accepts]: Start accepts. Automaton has 143 states. Word has length 143 [2018-07-23 13:41:28,977 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2018-07-23 13:41:28,977 INFO L225 Difference]: With dead ends: 147 [2018-07-23 13:41:28,977 INFO L226 Difference]: Without dead ends: 145 [2018-07-23 13:41:28,978 INFO L575 BasicCegarLoop]: 0 DeclaredPredicates, 142 GetRequests, 1 SyntacticMatches, 0 SemanticMatches, 141 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 0 ImplicationChecksByTransitivity, 0.3s TimeCoverageRelationStatistics Valid=10153, Invalid=10153, Unknown=0, NotChecked=0, Total=20306 [2018-07-23 13:41:28,978 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 145 states. [2018-07-23 13:41:28,981 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 145 to 145. [2018-07-23 13:41:28,981 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 145 states. [2018-07-23 13:41:28,981 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 145 states to 145 states and 145 transitions. [2018-07-23 13:41:28,981 INFO L78 Accepts]: Start accepts. Automaton has 145 states and 145 transitions. Word has length 143 [2018-07-23 13:41:28,981 INFO L84 Accepts]: Finished accepts. word is rejected. [2018-07-23 13:41:28,982 INFO L471 AbstractCegarLoop]: Abstraction has 145 states and 145 transitions. [2018-07-23 13:41:28,982 INFO L472 AbstractCegarLoop]: Interpolant automaton has 143 states. [2018-07-23 13:41:28,982 INFO L276 IsEmpty]: Start isEmpty. Operand 145 states and 145 transitions. [2018-07-23 13:41:28,982 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 145 [2018-07-23 13:41:28,982 INFO L349 BasicCegarLoop]: Found error trace [2018-07-23 13:41:28,982 INFO L357 BasicCegarLoop]: trace histogram [141, 1, 1, 1] [2018-07-23 13:41:28,983 INFO L414 AbstractCegarLoop]: === Iteration 142 === [ULTIMATE.startErr0AssertViolationASSERT]=== [2018-07-23 13:41:28,983 INFO L82 PathProgramCache]: Analyzing trace with hash 976680424, now seen corresponding path program 141 times [2018-07-23 13:41:28,983 INFO L69 tionRefinementEngine]: Using refinement strategy FixedRefinementStrategy [2018-07-23 13:41:29,022 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-07-23 13:41:29,466 INFO L134 CoverageAnalysis]: Checked inductivity of 10011 backedges. 0 proven. 10011 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2018-07-23 13:41:29,467 INFO L309 seRefinementStrategy]: Constructing automaton from 0 perfect and 1 imperfect interpolant sequences. [2018-07-23 13:41:29,467 INFO L324 seRefinementStrategy]: Number of different interpolants: perfect sequences [] imperfect sequences [143] total 143 [2018-07-23 13:41:29,467 INFO L142 lantAutomatonBuilder]: Constructing canonical interpolant automaton, with selfloop in false state [2018-07-23 13:41:29,467 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2018-07-23 13:41:29,468 INFO L185 omatonBuilderFactory]: Interpolants [53248#(<= ULTIMATE.start_main_~k~5 79), 53249#(<= ULTIMATE.start_main_~k~5 80), 53250#(<= ULTIMATE.start_main_~k~5 81), 53251#(<= ULTIMATE.start_main_~k~5 82), 53252#(<= ULTIMATE.start_main_~k~5 83), 53253#(<= ULTIMATE.start_main_~k~5 84), 53254#(<= ULTIMATE.start_main_~k~5 85), 53255#(<= ULTIMATE.start_main_~k~5 86), 53256#(<= ULTIMATE.start_main_~k~5 87), 53257#(<= ULTIMATE.start_main_~k~5 88), 53258#(<= ULTIMATE.start_main_~k~5 89), 53259#(<= ULTIMATE.start_main_~k~5 90), 53260#(<= ULTIMATE.start_main_~k~5 91), 53261#(<= ULTIMATE.start_main_~k~5 92), 53262#(<= ULTIMATE.start_main_~k~5 93), 53263#(<= ULTIMATE.start_main_~k~5 94), 53264#(<= ULTIMATE.start_main_~k~5 95), 53265#(<= ULTIMATE.start_main_~k~5 96), 53266#(<= ULTIMATE.start_main_~k~5 97), 53267#(<= ULTIMATE.start_main_~k~5 98), 53268#(<= ULTIMATE.start_main_~k~5 99), 53269#(<= ULTIMATE.start_main_~k~5 100), 53270#(<= ULTIMATE.start_main_~k~5 101), 53271#(<= ULTIMATE.start_main_~k~5 102), 53272#(<= ULTIMATE.start_main_~k~5 103), 53273#(<= ULTIMATE.start_main_~k~5 104), 53274#(<= ULTIMATE.start_main_~k~5 105), 53275#(<= ULTIMATE.start_main_~k~5 106), 53276#(<= ULTIMATE.start_main_~k~5 107), 53277#(<= ULTIMATE.start_main_~k~5 108), 53278#(<= ULTIMATE.start_main_~k~5 109), 53279#(<= ULTIMATE.start_main_~k~5 110), 53280#(<= ULTIMATE.start_main_~k~5 111), 53281#(<= ULTIMATE.start_main_~k~5 112), 53282#(<= ULTIMATE.start_main_~k~5 113), 53283#(<= ULTIMATE.start_main_~k~5 114), 53284#(<= ULTIMATE.start_main_~k~5 115), 53285#(<= ULTIMATE.start_main_~k~5 116), 53286#(<= ULTIMATE.start_main_~k~5 117), 53287#(<= ULTIMATE.start_main_~k~5 118), 53288#(<= ULTIMATE.start_main_~k~5 119), 53289#(<= ULTIMATE.start_main_~k~5 120), 53290#(<= ULTIMATE.start_main_~k~5 121), 53291#(<= ULTIMATE.start_main_~k~5 122), 53292#(<= ULTIMATE.start_main_~k~5 123), 53293#(<= ULTIMATE.start_main_~k~5 124), 53294#(<= ULTIMATE.start_main_~k~5 125), 53295#(<= ULTIMATE.start_main_~k~5 126), 53296#(<= ULTIMATE.start_main_~k~5 127), 53297#(<= ULTIMATE.start_main_~k~5 128), 53298#(<= ULTIMATE.start_main_~k~5 129), 53299#(<= ULTIMATE.start_main_~k~5 130), 53300#(<= ULTIMATE.start_main_~k~5 131), 53301#(<= ULTIMATE.start_main_~k~5 132), 53302#(<= ULTIMATE.start_main_~k~5 133), 53303#(<= ULTIMATE.start_main_~k~5 134), 53304#(<= ULTIMATE.start_main_~k~5 135), 53305#(<= ULTIMATE.start_main_~k~5 136), 53306#(<= ULTIMATE.start_main_~k~5 137), 53307#(<= ULTIMATE.start_main_~k~5 138), 53308#(<= ULTIMATE.start_main_~k~5 139), 53309#(<= ULTIMATE.start_main_~k~5 140), 53310#(<= ULTIMATE.start_main_~k~5 141), 53167#true, 53168#false, 53169#(<= ULTIMATE.start_main_~k~5 0), 53170#(<= ULTIMATE.start_main_~k~5 1), 53171#(<= ULTIMATE.start_main_~k~5 2), 53172#(<= ULTIMATE.start_main_~k~5 3), 53173#(<= ULTIMATE.start_main_~k~5 4), 53174#(<= ULTIMATE.start_main_~k~5 5), 53175#(<= ULTIMATE.start_main_~k~5 6), 53176#(<= ULTIMATE.start_main_~k~5 7), 53177#(<= ULTIMATE.start_main_~k~5 8), 53178#(<= ULTIMATE.start_main_~k~5 9), 53179#(<= ULTIMATE.start_main_~k~5 10), 53180#(<= ULTIMATE.start_main_~k~5 11), 53181#(<= ULTIMATE.start_main_~k~5 12), 53182#(<= ULTIMATE.start_main_~k~5 13), 53183#(<= ULTIMATE.start_main_~k~5 14), 53184#(<= ULTIMATE.start_main_~k~5 15), 53185#(<= ULTIMATE.start_main_~k~5 16), 53186#(<= ULTIMATE.start_main_~k~5 17), 53187#(<= ULTIMATE.start_main_~k~5 18), 53188#(<= ULTIMATE.start_main_~k~5 19), 53189#(<= ULTIMATE.start_main_~k~5 20), 53190#(<= ULTIMATE.start_main_~k~5 21), 53191#(<= ULTIMATE.start_main_~k~5 22), 53192#(<= ULTIMATE.start_main_~k~5 23), 53193#(<= ULTIMATE.start_main_~k~5 24), 53194#(<= ULTIMATE.start_main_~k~5 25), 53195#(<= ULTIMATE.start_main_~k~5 26), 53196#(<= ULTIMATE.start_main_~k~5 27), 53197#(<= ULTIMATE.start_main_~k~5 28), 53198#(<= ULTIMATE.start_main_~k~5 29), 53199#(<= ULTIMATE.start_main_~k~5 30), 53200#(<= ULTIMATE.start_main_~k~5 31), 53201#(<= ULTIMATE.start_main_~k~5 32), 53202#(<= ULTIMATE.start_main_~k~5 33), 53203#(<= ULTIMATE.start_main_~k~5 34), 53204#(<= ULTIMATE.start_main_~k~5 35), 53205#(<= ULTIMATE.start_main_~k~5 36), 53206#(<= ULTIMATE.start_main_~k~5 37), 53207#(<= ULTIMATE.start_main_~k~5 38), 53208#(<= ULTIMATE.start_main_~k~5 39), 53209#(<= ULTIMATE.start_main_~k~5 40), 53210#(<= ULTIMATE.start_main_~k~5 41), 53211#(<= ULTIMATE.start_main_~k~5 42), 53212#(<= ULTIMATE.start_main_~k~5 43), 53213#(<= ULTIMATE.start_main_~k~5 44), 53214#(<= ULTIMATE.start_main_~k~5 45), 53215#(<= ULTIMATE.start_main_~k~5 46), 53216#(<= ULTIMATE.start_main_~k~5 47), 53217#(<= ULTIMATE.start_main_~k~5 48), 53218#(<= ULTIMATE.start_main_~k~5 49), 53219#(<= ULTIMATE.start_main_~k~5 50), 53220#(<= ULTIMATE.start_main_~k~5 51), 53221#(<= ULTIMATE.start_main_~k~5 52), 53222#(<= ULTIMATE.start_main_~k~5 53), 53223#(<= ULTIMATE.start_main_~k~5 54), 53224#(<= ULTIMATE.start_main_~k~5 55), 53225#(<= ULTIMATE.start_main_~k~5 56), 53226#(<= ULTIMATE.start_main_~k~5 57), 53227#(<= ULTIMATE.start_main_~k~5 58), 53228#(<= ULTIMATE.start_main_~k~5 59), 53229#(<= ULTIMATE.start_main_~k~5 60), 53230#(<= ULTIMATE.start_main_~k~5 61), 53231#(<= ULTIMATE.start_main_~k~5 62), 53232#(<= ULTIMATE.start_main_~k~5 63), 53233#(<= ULTIMATE.start_main_~k~5 64), 53234#(<= ULTIMATE.start_main_~k~5 65), 53235#(<= ULTIMATE.start_main_~k~5 66), 53236#(<= ULTIMATE.start_main_~k~5 67), 53237#(<= ULTIMATE.start_main_~k~5 68), 53238#(<= ULTIMATE.start_main_~k~5 69), 53239#(<= ULTIMATE.start_main_~k~5 70), 53240#(<= ULTIMATE.start_main_~k~5 71), 53241#(<= ULTIMATE.start_main_~k~5 72), 53242#(<= ULTIMATE.start_main_~k~5 73), 53243#(<= ULTIMATE.start_main_~k~5 74), 53244#(<= ULTIMATE.start_main_~k~5 75), 53245#(<= ULTIMATE.start_main_~k~5 76), 53246#(<= ULTIMATE.start_main_~k~5 77), 53247#(<= ULTIMATE.start_main_~k~5 78)] [2018-07-23 13:41:29,469 INFO L134 CoverageAnalysis]: Checked inductivity of 10011 backedges. 0 proven. 10011 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2018-07-23 13:41:29,469 INFO L450 AbstractCegarLoop]: Interpolant automaton has 144 states [2018-07-23 13:41:29,471 INFO L132 InterpolantAutomaton]: Constructing interpolant automaton starting with 144 interpolants. [2018-07-23 13:41:29,471 INFO L133 InterpolantAutomaton]: CoverageRelationStatistics Valid=10296, Invalid=10296, Unknown=0, NotChecked=0, Total=20592 [2018-07-23 13:41:29,472 INFO L87 Difference]: Start difference. First operand 145 states and 145 transitions. Second operand 144 states. [2018-07-23 13:41:29,588 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2018-07-23 13:41:29,588 INFO L93 Difference]: Finished difference Result 148 states and 148 transitions. [2018-07-23 13:41:29,589 INFO L142 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 144 states. [2018-07-23 13:41:29,589 INFO L78 Accepts]: Start accepts. Automaton has 144 states. Word has length 144 [2018-07-23 13:41:29,589 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2018-07-23 13:41:29,589 INFO L225 Difference]: With dead ends: 148 [2018-07-23 13:41:29,589 INFO L226 Difference]: Without dead ends: 146 [2018-07-23 13:41:29,590 INFO L575 BasicCegarLoop]: 0 DeclaredPredicates, 143 GetRequests, 1 SyntacticMatches, 0 SemanticMatches, 142 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 0 ImplicationChecksByTransitivity, 0.3s TimeCoverageRelationStatistics Valid=10296, Invalid=10296, Unknown=0, NotChecked=0, Total=20592 [2018-07-23 13:41:29,590 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 146 states. [2018-07-23 13:41:29,592 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 146 to 146. [2018-07-23 13:41:29,593 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 146 states. [2018-07-23 13:41:29,593 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 146 states to 146 states and 146 transitions. [2018-07-23 13:41:29,593 INFO L78 Accepts]: Start accepts. Automaton has 146 states and 146 transitions. Word has length 144 [2018-07-23 13:41:29,593 INFO L84 Accepts]: Finished accepts. word is rejected. [2018-07-23 13:41:29,593 INFO L471 AbstractCegarLoop]: Abstraction has 146 states and 146 transitions. [2018-07-23 13:41:29,593 INFO L472 AbstractCegarLoop]: Interpolant automaton has 144 states. [2018-07-23 13:41:29,594 INFO L276 IsEmpty]: Start isEmpty. Operand 146 states and 146 transitions. [2018-07-23 13:41:29,594 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 146 [2018-07-23 13:41:29,594 INFO L349 BasicCegarLoop]: Found error trace [2018-07-23 13:41:29,594 INFO L357 BasicCegarLoop]: trace histogram [142, 1, 1, 1] [2018-07-23 13:41:29,594 INFO L414 AbstractCegarLoop]: === Iteration 143 === [ULTIMATE.startErr0AssertViolationASSERT]=== [2018-07-23 13:41:29,595 INFO L82 PathProgramCache]: Analyzing trace with hash 212320097, now seen corresponding path program 142 times [2018-07-23 13:41:29,595 INFO L69 tionRefinementEngine]: Using refinement strategy FixedRefinementStrategy [2018-07-23 13:41:29,636 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-07-23 13:41:30,325 INFO L134 CoverageAnalysis]: Checked inductivity of 10153 backedges. 0 proven. 10153 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2018-07-23 13:41:30,326 INFO L309 seRefinementStrategy]: Constructing automaton from 0 perfect and 1 imperfect interpolant sequences. [2018-07-23 13:41:30,326 INFO L324 seRefinementStrategy]: Number of different interpolants: perfect sequences [] imperfect sequences [144] total 144 [2018-07-23 13:41:30,326 INFO L142 lantAutomatonBuilder]: Constructing canonical interpolant automaton, with selfloop in false state [2018-07-23 13:41:30,326 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2018-07-23 13:41:30,327 INFO L185 omatonBuilderFactory]: Interpolants [54016#(<= ULTIMATE.start_main_~k~5 115), 54017#(<= ULTIMATE.start_main_~k~5 116), 54018#(<= ULTIMATE.start_main_~k~5 117), 54019#(<= ULTIMATE.start_main_~k~5 118), 54020#(<= ULTIMATE.start_main_~k~5 119), 54021#(<= ULTIMATE.start_main_~k~5 120), 54022#(<= ULTIMATE.start_main_~k~5 121), 54023#(<= ULTIMATE.start_main_~k~5 122), 54024#(<= ULTIMATE.start_main_~k~5 123), 54025#(<= ULTIMATE.start_main_~k~5 124), 54026#(<= ULTIMATE.start_main_~k~5 125), 54027#(<= ULTIMATE.start_main_~k~5 126), 54028#(<= ULTIMATE.start_main_~k~5 127), 54029#(<= ULTIMATE.start_main_~k~5 128), 54030#(<= ULTIMATE.start_main_~k~5 129), 54031#(<= ULTIMATE.start_main_~k~5 130), 54032#(<= ULTIMATE.start_main_~k~5 131), 54033#(<= ULTIMATE.start_main_~k~5 132), 54034#(<= ULTIMATE.start_main_~k~5 133), 54035#(<= ULTIMATE.start_main_~k~5 134), 54036#(<= ULTIMATE.start_main_~k~5 135), 54037#(<= ULTIMATE.start_main_~k~5 136), 54038#(<= ULTIMATE.start_main_~k~5 137), 54039#(<= ULTIMATE.start_main_~k~5 138), 54040#(<= ULTIMATE.start_main_~k~5 139), 54041#(<= ULTIMATE.start_main_~k~5 140), 54042#(<= ULTIMATE.start_main_~k~5 141), 54043#(<= ULTIMATE.start_main_~k~5 142), 53899#true, 53900#false, 53901#(<= ULTIMATE.start_main_~k~5 0), 53902#(<= ULTIMATE.start_main_~k~5 1), 53903#(<= ULTIMATE.start_main_~k~5 2), 53904#(<= ULTIMATE.start_main_~k~5 3), 53905#(<= ULTIMATE.start_main_~k~5 4), 53906#(<= ULTIMATE.start_main_~k~5 5), 53907#(<= ULTIMATE.start_main_~k~5 6), 53908#(<= ULTIMATE.start_main_~k~5 7), 53909#(<= ULTIMATE.start_main_~k~5 8), 53910#(<= ULTIMATE.start_main_~k~5 9), 53911#(<= ULTIMATE.start_main_~k~5 10), 53912#(<= ULTIMATE.start_main_~k~5 11), 53913#(<= ULTIMATE.start_main_~k~5 12), 53914#(<= ULTIMATE.start_main_~k~5 13), 53915#(<= ULTIMATE.start_main_~k~5 14), 53916#(<= ULTIMATE.start_main_~k~5 15), 53917#(<= ULTIMATE.start_main_~k~5 16), 53918#(<= ULTIMATE.start_main_~k~5 17), 53919#(<= ULTIMATE.start_main_~k~5 18), 53920#(<= ULTIMATE.start_main_~k~5 19), 53921#(<= ULTIMATE.start_main_~k~5 20), 53922#(<= ULTIMATE.start_main_~k~5 21), 53923#(<= ULTIMATE.start_main_~k~5 22), 53924#(<= ULTIMATE.start_main_~k~5 23), 53925#(<= ULTIMATE.start_main_~k~5 24), 53926#(<= ULTIMATE.start_main_~k~5 25), 53927#(<= ULTIMATE.start_main_~k~5 26), 53928#(<= ULTIMATE.start_main_~k~5 27), 53929#(<= ULTIMATE.start_main_~k~5 28), 53930#(<= ULTIMATE.start_main_~k~5 29), 53931#(<= ULTIMATE.start_main_~k~5 30), 53932#(<= ULTIMATE.start_main_~k~5 31), 53933#(<= ULTIMATE.start_main_~k~5 32), 53934#(<= ULTIMATE.start_main_~k~5 33), 53935#(<= ULTIMATE.start_main_~k~5 34), 53936#(<= ULTIMATE.start_main_~k~5 35), 53937#(<= ULTIMATE.start_main_~k~5 36), 53938#(<= ULTIMATE.start_main_~k~5 37), 53939#(<= ULTIMATE.start_main_~k~5 38), 53940#(<= ULTIMATE.start_main_~k~5 39), 53941#(<= ULTIMATE.start_main_~k~5 40), 53942#(<= ULTIMATE.start_main_~k~5 41), 53943#(<= ULTIMATE.start_main_~k~5 42), 53944#(<= ULTIMATE.start_main_~k~5 43), 53945#(<= ULTIMATE.start_main_~k~5 44), 53946#(<= ULTIMATE.start_main_~k~5 45), 53947#(<= ULTIMATE.start_main_~k~5 46), 53948#(<= ULTIMATE.start_main_~k~5 47), 53949#(<= ULTIMATE.start_main_~k~5 48), 53950#(<= ULTIMATE.start_main_~k~5 49), 53951#(<= ULTIMATE.start_main_~k~5 50), 53952#(<= ULTIMATE.start_main_~k~5 51), 53953#(<= ULTIMATE.start_main_~k~5 52), 53954#(<= ULTIMATE.start_main_~k~5 53), 53955#(<= ULTIMATE.start_main_~k~5 54), 53956#(<= ULTIMATE.start_main_~k~5 55), 53957#(<= ULTIMATE.start_main_~k~5 56), 53958#(<= ULTIMATE.start_main_~k~5 57), 53959#(<= ULTIMATE.start_main_~k~5 58), 53960#(<= ULTIMATE.start_main_~k~5 59), 53961#(<= ULTIMATE.start_main_~k~5 60), 53962#(<= ULTIMATE.start_main_~k~5 61), 53963#(<= ULTIMATE.start_main_~k~5 62), 53964#(<= ULTIMATE.start_main_~k~5 63), 53965#(<= ULTIMATE.start_main_~k~5 64), 53966#(<= ULTIMATE.start_main_~k~5 65), 53967#(<= ULTIMATE.start_main_~k~5 66), 53968#(<= ULTIMATE.start_main_~k~5 67), 53969#(<= ULTIMATE.start_main_~k~5 68), 53970#(<= ULTIMATE.start_main_~k~5 69), 53971#(<= ULTIMATE.start_main_~k~5 70), 53972#(<= ULTIMATE.start_main_~k~5 71), 53973#(<= ULTIMATE.start_main_~k~5 72), 53974#(<= ULTIMATE.start_main_~k~5 73), 53975#(<= ULTIMATE.start_main_~k~5 74), 53976#(<= ULTIMATE.start_main_~k~5 75), 53977#(<= ULTIMATE.start_main_~k~5 76), 53978#(<= ULTIMATE.start_main_~k~5 77), 53979#(<= ULTIMATE.start_main_~k~5 78), 53980#(<= ULTIMATE.start_main_~k~5 79), 53981#(<= ULTIMATE.start_main_~k~5 80), 53982#(<= ULTIMATE.start_main_~k~5 81), 53983#(<= ULTIMATE.start_main_~k~5 82), 53984#(<= ULTIMATE.start_main_~k~5 83), 53985#(<= ULTIMATE.start_main_~k~5 84), 53986#(<= ULTIMATE.start_main_~k~5 85), 53987#(<= ULTIMATE.start_main_~k~5 86), 53988#(<= ULTIMATE.start_main_~k~5 87), 53989#(<= ULTIMATE.start_main_~k~5 88), 53990#(<= ULTIMATE.start_main_~k~5 89), 53991#(<= ULTIMATE.start_main_~k~5 90), 53992#(<= ULTIMATE.start_main_~k~5 91), 53993#(<= ULTIMATE.start_main_~k~5 92), 53994#(<= ULTIMATE.start_main_~k~5 93), 53995#(<= ULTIMATE.start_main_~k~5 94), 53996#(<= ULTIMATE.start_main_~k~5 95), 53997#(<= ULTIMATE.start_main_~k~5 96), 53998#(<= ULTIMATE.start_main_~k~5 97), 53999#(<= ULTIMATE.start_main_~k~5 98), 54000#(<= ULTIMATE.start_main_~k~5 99), 54001#(<= ULTIMATE.start_main_~k~5 100), 54002#(<= ULTIMATE.start_main_~k~5 101), 54003#(<= ULTIMATE.start_main_~k~5 102), 54004#(<= ULTIMATE.start_main_~k~5 103), 54005#(<= ULTIMATE.start_main_~k~5 104), 54006#(<= ULTIMATE.start_main_~k~5 105), 54007#(<= ULTIMATE.start_main_~k~5 106), 54008#(<= ULTIMATE.start_main_~k~5 107), 54009#(<= ULTIMATE.start_main_~k~5 108), 54010#(<= ULTIMATE.start_main_~k~5 109), 54011#(<= ULTIMATE.start_main_~k~5 110), 54012#(<= ULTIMATE.start_main_~k~5 111), 54013#(<= ULTIMATE.start_main_~k~5 112), 54014#(<= ULTIMATE.start_main_~k~5 113), 54015#(<= ULTIMATE.start_main_~k~5 114)] [2018-07-23 13:41:30,328 INFO L134 CoverageAnalysis]: Checked inductivity of 10153 backedges. 0 proven. 10153 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2018-07-23 13:41:30,328 INFO L450 AbstractCegarLoop]: Interpolant automaton has 145 states [2018-07-23 13:41:30,330 INFO L132 InterpolantAutomaton]: Constructing interpolant automaton starting with 145 interpolants. [2018-07-23 13:41:30,331 INFO L133 InterpolantAutomaton]: CoverageRelationStatistics Valid=10440, Invalid=10440, Unknown=0, NotChecked=0, Total=20880 [2018-07-23 13:41:30,331 INFO L87 Difference]: Start difference. First operand 146 states and 146 transitions. Second operand 145 states. [2018-07-23 13:41:30,530 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2018-07-23 13:41:30,530 INFO L93 Difference]: Finished difference Result 149 states and 149 transitions. [2018-07-23 13:41:30,530 INFO L142 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 145 states. [2018-07-23 13:41:30,530 INFO L78 Accepts]: Start accepts. Automaton has 145 states. Word has length 145 [2018-07-23 13:41:30,530 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2018-07-23 13:41:30,530 INFO L225 Difference]: With dead ends: 149 [2018-07-23 13:41:30,531 INFO L226 Difference]: Without dead ends: 147 [2018-07-23 13:41:30,532 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 13:41:30,532 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 147 states. [2018-07-23 13:41:30,534 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 147 to 147. [2018-07-23 13:41:30,534 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 147 states. [2018-07-23 13:41:30,535 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 147 states to 147 states and 147 transitions. [2018-07-23 13:41:30,535 INFO L78 Accepts]: Start accepts. Automaton has 147 states and 147 transitions. Word has length 145 [2018-07-23 13:41:30,535 INFO L84 Accepts]: Finished accepts. word is rejected. [2018-07-23 13:41:30,535 INFO L471 AbstractCegarLoop]: Abstraction has 147 states and 147 transitions. [2018-07-23 13:41:30,535 INFO L472 AbstractCegarLoop]: Interpolant automaton has 145 states. [2018-07-23 13:41:30,535 INFO L276 IsEmpty]: Start isEmpty. Operand 147 states and 147 transitions. [2018-07-23 13:41:30,536 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 147 [2018-07-23 13:41:30,536 INFO L349 BasicCegarLoop]: Found error trace [2018-07-23 13:41:30,536 INFO L357 BasicCegarLoop]: trace histogram [143, 1, 1, 1] [2018-07-23 13:41:30,536 INFO L414 AbstractCegarLoop]: === Iteration 144 === [ULTIMATE.startErr0AssertViolationASSERT]=== [2018-07-23 13:41:30,536 INFO L82 PathProgramCache]: Analyzing trace with hash -2008013560, now seen corresponding path program 143 times [2018-07-23 13:41:30,537 INFO L69 tionRefinementEngine]: Using refinement strategy FixedRefinementStrategy [2018-07-23 13:41:30,587 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-07-23 13:41:31,244 INFO L134 CoverageAnalysis]: Checked inductivity of 10296 backedges. 0 proven. 10296 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2018-07-23 13:41:31,244 INFO L309 seRefinementStrategy]: Constructing automaton from 0 perfect and 1 imperfect interpolant sequences. [2018-07-23 13:41:31,245 INFO L324 seRefinementStrategy]: Number of different interpolants: perfect sequences [] imperfect sequences [145] total 145 [2018-07-23 13:41:31,245 INFO L142 lantAutomatonBuilder]: Constructing canonical interpolant automaton, with selfloop in false state [2018-07-23 13:41:31,245 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2018-07-23 13:41:31,245 INFO L185 omatonBuilderFactory]: Interpolants [54636#true, 54637#false, 54638#(<= ULTIMATE.start_main_~k~5 0), 54639#(<= ULTIMATE.start_main_~k~5 1), 54640#(<= ULTIMATE.start_main_~k~5 2), 54641#(<= ULTIMATE.start_main_~k~5 3), 54642#(<= ULTIMATE.start_main_~k~5 4), 54643#(<= ULTIMATE.start_main_~k~5 5), 54644#(<= ULTIMATE.start_main_~k~5 6), 54645#(<= ULTIMATE.start_main_~k~5 7), 54646#(<= ULTIMATE.start_main_~k~5 8), 54647#(<= ULTIMATE.start_main_~k~5 9), 54648#(<= ULTIMATE.start_main_~k~5 10), 54649#(<= ULTIMATE.start_main_~k~5 11), 54650#(<= ULTIMATE.start_main_~k~5 12), 54651#(<= ULTIMATE.start_main_~k~5 13), 54652#(<= ULTIMATE.start_main_~k~5 14), 54653#(<= ULTIMATE.start_main_~k~5 15), 54654#(<= ULTIMATE.start_main_~k~5 16), 54655#(<= ULTIMATE.start_main_~k~5 17), 54656#(<= ULTIMATE.start_main_~k~5 18), 54657#(<= ULTIMATE.start_main_~k~5 19), 54658#(<= ULTIMATE.start_main_~k~5 20), 54659#(<= ULTIMATE.start_main_~k~5 21), 54660#(<= ULTIMATE.start_main_~k~5 22), 54661#(<= ULTIMATE.start_main_~k~5 23), 54662#(<= ULTIMATE.start_main_~k~5 24), 54663#(<= ULTIMATE.start_main_~k~5 25), 54664#(<= ULTIMATE.start_main_~k~5 26), 54665#(<= ULTIMATE.start_main_~k~5 27), 54666#(<= ULTIMATE.start_main_~k~5 28), 54667#(<= ULTIMATE.start_main_~k~5 29), 54668#(<= ULTIMATE.start_main_~k~5 30), 54669#(<= ULTIMATE.start_main_~k~5 31), 54670#(<= ULTIMATE.start_main_~k~5 32), 54671#(<= ULTIMATE.start_main_~k~5 33), 54672#(<= ULTIMATE.start_main_~k~5 34), 54673#(<= ULTIMATE.start_main_~k~5 35), 54674#(<= ULTIMATE.start_main_~k~5 36), 54675#(<= ULTIMATE.start_main_~k~5 37), 54676#(<= ULTIMATE.start_main_~k~5 38), 54677#(<= ULTIMATE.start_main_~k~5 39), 54678#(<= ULTIMATE.start_main_~k~5 40), 54679#(<= ULTIMATE.start_main_~k~5 41), 54680#(<= ULTIMATE.start_main_~k~5 42), 54681#(<= ULTIMATE.start_main_~k~5 43), 54682#(<= ULTIMATE.start_main_~k~5 44), 54683#(<= ULTIMATE.start_main_~k~5 45), 54684#(<= ULTIMATE.start_main_~k~5 46), 54685#(<= ULTIMATE.start_main_~k~5 47), 54686#(<= ULTIMATE.start_main_~k~5 48), 54687#(<= ULTIMATE.start_main_~k~5 49), 54688#(<= ULTIMATE.start_main_~k~5 50), 54689#(<= ULTIMATE.start_main_~k~5 51), 54690#(<= ULTIMATE.start_main_~k~5 52), 54691#(<= ULTIMATE.start_main_~k~5 53), 54692#(<= ULTIMATE.start_main_~k~5 54), 54693#(<= ULTIMATE.start_main_~k~5 55), 54694#(<= ULTIMATE.start_main_~k~5 56), 54695#(<= ULTIMATE.start_main_~k~5 57), 54696#(<= ULTIMATE.start_main_~k~5 58), 54697#(<= ULTIMATE.start_main_~k~5 59), 54698#(<= ULTIMATE.start_main_~k~5 60), 54699#(<= ULTIMATE.start_main_~k~5 61), 54700#(<= ULTIMATE.start_main_~k~5 62), 54701#(<= ULTIMATE.start_main_~k~5 63), 54702#(<= ULTIMATE.start_main_~k~5 64), 54703#(<= ULTIMATE.start_main_~k~5 65), 54704#(<= ULTIMATE.start_main_~k~5 66), 54705#(<= ULTIMATE.start_main_~k~5 67), 54706#(<= ULTIMATE.start_main_~k~5 68), 54707#(<= ULTIMATE.start_main_~k~5 69), 54708#(<= ULTIMATE.start_main_~k~5 70), 54709#(<= ULTIMATE.start_main_~k~5 71), 54710#(<= ULTIMATE.start_main_~k~5 72), 54711#(<= ULTIMATE.start_main_~k~5 73), 54712#(<= ULTIMATE.start_main_~k~5 74), 54713#(<= ULTIMATE.start_main_~k~5 75), 54714#(<= ULTIMATE.start_main_~k~5 76), 54715#(<= ULTIMATE.start_main_~k~5 77), 54716#(<= ULTIMATE.start_main_~k~5 78), 54717#(<= ULTIMATE.start_main_~k~5 79), 54718#(<= ULTIMATE.start_main_~k~5 80), 54719#(<= ULTIMATE.start_main_~k~5 81), 54720#(<= ULTIMATE.start_main_~k~5 82), 54721#(<= ULTIMATE.start_main_~k~5 83), 54722#(<= ULTIMATE.start_main_~k~5 84), 54723#(<= ULTIMATE.start_main_~k~5 85), 54724#(<= ULTIMATE.start_main_~k~5 86), 54725#(<= ULTIMATE.start_main_~k~5 87), 54726#(<= ULTIMATE.start_main_~k~5 88), 54727#(<= ULTIMATE.start_main_~k~5 89), 54728#(<= ULTIMATE.start_main_~k~5 90), 54729#(<= ULTIMATE.start_main_~k~5 91), 54730#(<= ULTIMATE.start_main_~k~5 92), 54731#(<= ULTIMATE.start_main_~k~5 93), 54732#(<= ULTIMATE.start_main_~k~5 94), 54733#(<= ULTIMATE.start_main_~k~5 95), 54734#(<= ULTIMATE.start_main_~k~5 96), 54735#(<= ULTIMATE.start_main_~k~5 97), 54736#(<= ULTIMATE.start_main_~k~5 98), 54737#(<= ULTIMATE.start_main_~k~5 99), 54738#(<= ULTIMATE.start_main_~k~5 100), 54739#(<= ULTIMATE.start_main_~k~5 101), 54740#(<= ULTIMATE.start_main_~k~5 102), 54741#(<= ULTIMATE.start_main_~k~5 103), 54742#(<= ULTIMATE.start_main_~k~5 104), 54743#(<= ULTIMATE.start_main_~k~5 105), 54744#(<= ULTIMATE.start_main_~k~5 106), 54745#(<= ULTIMATE.start_main_~k~5 107), 54746#(<= ULTIMATE.start_main_~k~5 108), 54747#(<= ULTIMATE.start_main_~k~5 109), 54748#(<= ULTIMATE.start_main_~k~5 110), 54749#(<= ULTIMATE.start_main_~k~5 111), 54750#(<= ULTIMATE.start_main_~k~5 112), 54751#(<= ULTIMATE.start_main_~k~5 113), 54752#(<= ULTIMATE.start_main_~k~5 114), 54753#(<= ULTIMATE.start_main_~k~5 115), 54754#(<= ULTIMATE.start_main_~k~5 116), 54755#(<= ULTIMATE.start_main_~k~5 117), 54756#(<= ULTIMATE.start_main_~k~5 118), 54757#(<= ULTIMATE.start_main_~k~5 119), 54758#(<= ULTIMATE.start_main_~k~5 120), 54759#(<= ULTIMATE.start_main_~k~5 121), 54760#(<= ULTIMATE.start_main_~k~5 122), 54761#(<= ULTIMATE.start_main_~k~5 123), 54762#(<= ULTIMATE.start_main_~k~5 124), 54763#(<= ULTIMATE.start_main_~k~5 125), 54764#(<= ULTIMATE.start_main_~k~5 126), 54765#(<= ULTIMATE.start_main_~k~5 127), 54766#(<= ULTIMATE.start_main_~k~5 128), 54767#(<= ULTIMATE.start_main_~k~5 129), 54768#(<= ULTIMATE.start_main_~k~5 130), 54769#(<= ULTIMATE.start_main_~k~5 131), 54770#(<= ULTIMATE.start_main_~k~5 132), 54771#(<= ULTIMATE.start_main_~k~5 133), 54772#(<= ULTIMATE.start_main_~k~5 134), 54773#(<= ULTIMATE.start_main_~k~5 135), 54774#(<= ULTIMATE.start_main_~k~5 136), 54775#(<= ULTIMATE.start_main_~k~5 137), 54776#(<= ULTIMATE.start_main_~k~5 138), 54777#(<= ULTIMATE.start_main_~k~5 139), 54778#(<= ULTIMATE.start_main_~k~5 140), 54779#(<= ULTIMATE.start_main_~k~5 141), 54780#(<= ULTIMATE.start_main_~k~5 142), 54781#(<= ULTIMATE.start_main_~k~5 143)] [2018-07-23 13:41:31,246 INFO L134 CoverageAnalysis]: Checked inductivity of 10296 backedges. 0 proven. 10296 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2018-07-23 13:41:31,246 INFO L450 AbstractCegarLoop]: Interpolant automaton has 146 states [2018-07-23 13:41:31,247 INFO L132 InterpolantAutomaton]: Constructing interpolant automaton starting with 146 interpolants. [2018-07-23 13:41:31,248 INFO L133 InterpolantAutomaton]: CoverageRelationStatistics Valid=10585, Invalid=10585, Unknown=0, NotChecked=0, Total=21170 [2018-07-23 13:41:31,248 INFO L87 Difference]: Start difference. First operand 147 states and 147 transitions. Second operand 146 states. [2018-07-23 13:41:31,556 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2018-07-23 13:41:31,557 INFO L93 Difference]: Finished difference Result 150 states and 150 transitions. [2018-07-23 13:41:31,557 INFO L142 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 146 states. [2018-07-23 13:41:31,557 INFO L78 Accepts]: Start accepts. Automaton has 146 states. Word has length 146 [2018-07-23 13:41:31,557 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2018-07-23 13:41:31,557 INFO L225 Difference]: With dead ends: 150 [2018-07-23 13:41:31,558 INFO L226 Difference]: Without dead ends: 148 [2018-07-23 13:41:31,559 INFO L575 BasicCegarLoop]: 0 DeclaredPredicates, 145 GetRequests, 1 SyntacticMatches, 0 SemanticMatches, 144 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 0 ImplicationChecksByTransitivity, 0.5s TimeCoverageRelationStatistics Valid=10585, Invalid=10585, Unknown=0, NotChecked=0, Total=21170 [2018-07-23 13:41:31,559 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 148 states. [2018-07-23 13:41:31,560 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 148 to 148. [2018-07-23 13:41:31,561 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 148 states. [2018-07-23 13:41:31,561 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 148 states to 148 states and 148 transitions. [2018-07-23 13:41:31,561 INFO L78 Accepts]: Start accepts. Automaton has 148 states and 148 transitions. Word has length 146 [2018-07-23 13:41:31,561 INFO L84 Accepts]: Finished accepts. word is rejected. [2018-07-23 13:41:31,561 INFO L471 AbstractCegarLoop]: Abstraction has 148 states and 148 transitions. [2018-07-23 13:41:31,561 INFO L472 AbstractCegarLoop]: Interpolant automaton has 146 states. [2018-07-23 13:41:31,561 INFO L276 IsEmpty]: Start isEmpty. Operand 148 states and 148 transitions. [2018-07-23 13:41:31,562 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 148 [2018-07-23 13:41:31,562 INFO L349 BasicCegarLoop]: Found error trace [2018-07-23 13:41:31,562 INFO L357 BasicCegarLoop]: trace histogram [144, 1, 1, 1] [2018-07-23 13:41:31,562 INFO L414 AbstractCegarLoop]: === Iteration 145 === [ULTIMATE.startErr0AssertViolationASSERT]=== [2018-07-23 13:41:31,562 INFO L82 PathProgramCache]: Analyzing trace with hash -2118880191, now seen corresponding path program 144 times [2018-07-23 13:41:31,562 INFO L69 tionRefinementEngine]: Using refinement strategy FixedRefinementStrategy [2018-07-23 13:41:31,607 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-07-23 13:41:32,153 INFO L134 CoverageAnalysis]: Checked inductivity of 10440 backedges. 0 proven. 10440 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2018-07-23 13:41:32,154 INFO L309 seRefinementStrategy]: Constructing automaton from 0 perfect and 1 imperfect interpolant sequences. [2018-07-23 13:41:32,154 INFO L324 seRefinementStrategy]: Number of different interpolants: perfect sequences [] imperfect sequences [146] total 146 [2018-07-23 13:41:32,154 INFO L142 lantAutomatonBuilder]: Constructing canonical interpolant automaton, with selfloop in false state [2018-07-23 13:41:32,154 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2018-07-23 13:41:32,155 INFO L185 omatonBuilderFactory]: Interpolants [55378#true, 55379#false, 55380#(<= ULTIMATE.start_main_~k~5 0), 55381#(<= ULTIMATE.start_main_~k~5 1), 55382#(<= ULTIMATE.start_main_~k~5 2), 55383#(<= ULTIMATE.start_main_~k~5 3), 55384#(<= ULTIMATE.start_main_~k~5 4), 55385#(<= ULTIMATE.start_main_~k~5 5), 55386#(<= ULTIMATE.start_main_~k~5 6), 55387#(<= ULTIMATE.start_main_~k~5 7), 55388#(<= ULTIMATE.start_main_~k~5 8), 55389#(<= ULTIMATE.start_main_~k~5 9), 55390#(<= ULTIMATE.start_main_~k~5 10), 55391#(<= ULTIMATE.start_main_~k~5 11), 55392#(<= ULTIMATE.start_main_~k~5 12), 55393#(<= ULTIMATE.start_main_~k~5 13), 55394#(<= ULTIMATE.start_main_~k~5 14), 55395#(<= ULTIMATE.start_main_~k~5 15), 55396#(<= ULTIMATE.start_main_~k~5 16), 55397#(<= ULTIMATE.start_main_~k~5 17), 55398#(<= ULTIMATE.start_main_~k~5 18), 55399#(<= ULTIMATE.start_main_~k~5 19), 55400#(<= ULTIMATE.start_main_~k~5 20), 55401#(<= ULTIMATE.start_main_~k~5 21), 55402#(<= ULTIMATE.start_main_~k~5 22), 55403#(<= ULTIMATE.start_main_~k~5 23), 55404#(<= ULTIMATE.start_main_~k~5 24), 55405#(<= ULTIMATE.start_main_~k~5 25), 55406#(<= ULTIMATE.start_main_~k~5 26), 55407#(<= ULTIMATE.start_main_~k~5 27), 55408#(<= ULTIMATE.start_main_~k~5 28), 55409#(<= ULTIMATE.start_main_~k~5 29), 55410#(<= ULTIMATE.start_main_~k~5 30), 55411#(<= ULTIMATE.start_main_~k~5 31), 55412#(<= ULTIMATE.start_main_~k~5 32), 55413#(<= ULTIMATE.start_main_~k~5 33), 55414#(<= ULTIMATE.start_main_~k~5 34), 55415#(<= ULTIMATE.start_main_~k~5 35), 55416#(<= ULTIMATE.start_main_~k~5 36), 55417#(<= ULTIMATE.start_main_~k~5 37), 55418#(<= ULTIMATE.start_main_~k~5 38), 55419#(<= ULTIMATE.start_main_~k~5 39), 55420#(<= ULTIMATE.start_main_~k~5 40), 55421#(<= ULTIMATE.start_main_~k~5 41), 55422#(<= ULTIMATE.start_main_~k~5 42), 55423#(<= ULTIMATE.start_main_~k~5 43), 55424#(<= ULTIMATE.start_main_~k~5 44), 55425#(<= ULTIMATE.start_main_~k~5 45), 55426#(<= ULTIMATE.start_main_~k~5 46), 55427#(<= ULTIMATE.start_main_~k~5 47), 55428#(<= ULTIMATE.start_main_~k~5 48), 55429#(<= ULTIMATE.start_main_~k~5 49), 55430#(<= ULTIMATE.start_main_~k~5 50), 55431#(<= ULTIMATE.start_main_~k~5 51), 55432#(<= ULTIMATE.start_main_~k~5 52), 55433#(<= ULTIMATE.start_main_~k~5 53), 55434#(<= ULTIMATE.start_main_~k~5 54), 55435#(<= ULTIMATE.start_main_~k~5 55), 55436#(<= ULTIMATE.start_main_~k~5 56), 55437#(<= ULTIMATE.start_main_~k~5 57), 55438#(<= ULTIMATE.start_main_~k~5 58), 55439#(<= ULTIMATE.start_main_~k~5 59), 55440#(<= ULTIMATE.start_main_~k~5 60), 55441#(<= ULTIMATE.start_main_~k~5 61), 55442#(<= ULTIMATE.start_main_~k~5 62), 55443#(<= ULTIMATE.start_main_~k~5 63), 55444#(<= ULTIMATE.start_main_~k~5 64), 55445#(<= ULTIMATE.start_main_~k~5 65), 55446#(<= ULTIMATE.start_main_~k~5 66), 55447#(<= ULTIMATE.start_main_~k~5 67), 55448#(<= ULTIMATE.start_main_~k~5 68), 55449#(<= ULTIMATE.start_main_~k~5 69), 55450#(<= ULTIMATE.start_main_~k~5 70), 55451#(<= ULTIMATE.start_main_~k~5 71), 55452#(<= ULTIMATE.start_main_~k~5 72), 55453#(<= ULTIMATE.start_main_~k~5 73), 55454#(<= ULTIMATE.start_main_~k~5 74), 55455#(<= ULTIMATE.start_main_~k~5 75), 55456#(<= ULTIMATE.start_main_~k~5 76), 55457#(<= ULTIMATE.start_main_~k~5 77), 55458#(<= ULTIMATE.start_main_~k~5 78), 55459#(<= ULTIMATE.start_main_~k~5 79), 55460#(<= ULTIMATE.start_main_~k~5 80), 55461#(<= ULTIMATE.start_main_~k~5 81), 55462#(<= ULTIMATE.start_main_~k~5 82), 55463#(<= ULTIMATE.start_main_~k~5 83), 55464#(<= ULTIMATE.start_main_~k~5 84), 55465#(<= ULTIMATE.start_main_~k~5 85), 55466#(<= ULTIMATE.start_main_~k~5 86), 55467#(<= ULTIMATE.start_main_~k~5 87), 55468#(<= ULTIMATE.start_main_~k~5 88), 55469#(<= ULTIMATE.start_main_~k~5 89), 55470#(<= ULTIMATE.start_main_~k~5 90), 55471#(<= ULTIMATE.start_main_~k~5 91), 55472#(<= ULTIMATE.start_main_~k~5 92), 55473#(<= ULTIMATE.start_main_~k~5 93), 55474#(<= ULTIMATE.start_main_~k~5 94), 55475#(<= ULTIMATE.start_main_~k~5 95), 55476#(<= ULTIMATE.start_main_~k~5 96), 55477#(<= ULTIMATE.start_main_~k~5 97), 55478#(<= ULTIMATE.start_main_~k~5 98), 55479#(<= ULTIMATE.start_main_~k~5 99), 55480#(<= ULTIMATE.start_main_~k~5 100), 55481#(<= ULTIMATE.start_main_~k~5 101), 55482#(<= ULTIMATE.start_main_~k~5 102), 55483#(<= ULTIMATE.start_main_~k~5 103), 55484#(<= ULTIMATE.start_main_~k~5 104), 55485#(<= ULTIMATE.start_main_~k~5 105), 55486#(<= ULTIMATE.start_main_~k~5 106), 55487#(<= ULTIMATE.start_main_~k~5 107), 55488#(<= ULTIMATE.start_main_~k~5 108), 55489#(<= ULTIMATE.start_main_~k~5 109), 55490#(<= ULTIMATE.start_main_~k~5 110), 55491#(<= ULTIMATE.start_main_~k~5 111), 55492#(<= ULTIMATE.start_main_~k~5 112), 55493#(<= ULTIMATE.start_main_~k~5 113), 55494#(<= ULTIMATE.start_main_~k~5 114), 55495#(<= ULTIMATE.start_main_~k~5 115), 55496#(<= ULTIMATE.start_main_~k~5 116), 55497#(<= ULTIMATE.start_main_~k~5 117), 55498#(<= ULTIMATE.start_main_~k~5 118), 55499#(<= ULTIMATE.start_main_~k~5 119), 55500#(<= ULTIMATE.start_main_~k~5 120), 55501#(<= ULTIMATE.start_main_~k~5 121), 55502#(<= ULTIMATE.start_main_~k~5 122), 55503#(<= ULTIMATE.start_main_~k~5 123), 55504#(<= ULTIMATE.start_main_~k~5 124), 55505#(<= ULTIMATE.start_main_~k~5 125), 55506#(<= ULTIMATE.start_main_~k~5 126), 55507#(<= ULTIMATE.start_main_~k~5 127), 55508#(<= ULTIMATE.start_main_~k~5 128), 55509#(<= ULTIMATE.start_main_~k~5 129), 55510#(<= ULTIMATE.start_main_~k~5 130), 55511#(<= ULTIMATE.start_main_~k~5 131), 55512#(<= ULTIMATE.start_main_~k~5 132), 55513#(<= ULTIMATE.start_main_~k~5 133), 55514#(<= ULTIMATE.start_main_~k~5 134), 55515#(<= ULTIMATE.start_main_~k~5 135), 55516#(<= ULTIMATE.start_main_~k~5 136), 55517#(<= ULTIMATE.start_main_~k~5 137), 55518#(<= ULTIMATE.start_main_~k~5 138), 55519#(<= ULTIMATE.start_main_~k~5 139), 55520#(<= ULTIMATE.start_main_~k~5 140), 55521#(<= ULTIMATE.start_main_~k~5 141), 55522#(<= ULTIMATE.start_main_~k~5 142), 55523#(<= ULTIMATE.start_main_~k~5 143), 55524#(<= ULTIMATE.start_main_~k~5 144)] [2018-07-23 13:41:32,155 INFO L134 CoverageAnalysis]: Checked inductivity of 10440 backedges. 0 proven. 10440 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2018-07-23 13:41:32,155 INFO L450 AbstractCegarLoop]: Interpolant automaton has 147 states [2018-07-23 13:41:32,156 INFO L132 InterpolantAutomaton]: Constructing interpolant automaton starting with 147 interpolants. [2018-07-23 13:41:32,157 INFO L133 InterpolantAutomaton]: CoverageRelationStatistics Valid=10731, Invalid=10731, Unknown=0, NotChecked=0, Total=21462 [2018-07-23 13:41:32,157 INFO L87 Difference]: Start difference. First operand 148 states and 148 transitions. Second operand 147 states. [2018-07-23 13:41:32,429 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2018-07-23 13:41:32,429 INFO L93 Difference]: Finished difference Result 151 states and 151 transitions. [2018-07-23 13:41:32,429 INFO L142 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 147 states. [2018-07-23 13:41:32,429 INFO L78 Accepts]: Start accepts. Automaton has 147 states. Word has length 147 [2018-07-23 13:41:32,429 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2018-07-23 13:41:32,430 INFO L225 Difference]: With dead ends: 151 [2018-07-23 13:41:32,430 INFO L226 Difference]: Without dead ends: 149 [2018-07-23 13:41:32,430 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 13:41:32,431 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 149 states. [2018-07-23 13:41:32,432 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 149 to 149. [2018-07-23 13:41:32,432 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 149 states. [2018-07-23 13:41:32,432 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 149 states to 149 states and 149 transitions. [2018-07-23 13:41:32,433 INFO L78 Accepts]: Start accepts. Automaton has 149 states and 149 transitions. Word has length 147 [2018-07-23 13:41:32,433 INFO L84 Accepts]: Finished accepts. word is rejected. [2018-07-23 13:41:32,433 INFO L471 AbstractCegarLoop]: Abstraction has 149 states and 149 transitions. [2018-07-23 13:41:32,433 INFO L472 AbstractCegarLoop]: Interpolant automaton has 147 states. [2018-07-23 13:41:32,433 INFO L276 IsEmpty]: Start isEmpty. Operand 149 states and 149 transitions. [2018-07-23 13:41:32,433 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 149 [2018-07-23 13:41:32,433 INFO L349 BasicCegarLoop]: Found error trace [2018-07-23 13:41:32,433 INFO L357 BasicCegarLoop]: trace histogram [145, 1, 1, 1] [2018-07-23 13:41:32,434 INFO L414 AbstractCegarLoop]: === Iteration 146 === [ULTIMATE.startErr0AssertViolationASSERT]=== [2018-07-23 13:41:32,434 INFO L82 PathProgramCache]: Analyzing trace with hash -1260778456, now seen corresponding path program 145 times [2018-07-23 13:41:32,434 INFO L69 tionRefinementEngine]: Using refinement strategy FixedRefinementStrategy [2018-07-23 13:41:32,481 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-07-23 13:41:32,955 INFO L134 CoverageAnalysis]: Checked inductivity of 10585 backedges. 0 proven. 10585 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2018-07-23 13:41:32,956 INFO L309 seRefinementStrategy]: Constructing automaton from 0 perfect and 1 imperfect interpolant sequences. [2018-07-23 13:41:32,956 INFO L324 seRefinementStrategy]: Number of different interpolants: perfect sequences [] imperfect sequences [147] total 147 [2018-07-23 13:41:32,956 INFO L142 lantAutomatonBuilder]: Constructing canonical interpolant automaton, with selfloop in false state [2018-07-23 13:41:32,956 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2018-07-23 13:41:32,957 INFO L185 omatonBuilderFactory]: Interpolants [56125#true, 56126#false, 56127#(<= ULTIMATE.start_main_~k~5 0), 56128#(<= ULTIMATE.start_main_~k~5 1), 56129#(<= ULTIMATE.start_main_~k~5 2), 56130#(<= ULTIMATE.start_main_~k~5 3), 56131#(<= ULTIMATE.start_main_~k~5 4), 56132#(<= ULTIMATE.start_main_~k~5 5), 56133#(<= ULTIMATE.start_main_~k~5 6), 56134#(<= ULTIMATE.start_main_~k~5 7), 56135#(<= ULTIMATE.start_main_~k~5 8), 56136#(<= ULTIMATE.start_main_~k~5 9), 56137#(<= ULTIMATE.start_main_~k~5 10), 56138#(<= ULTIMATE.start_main_~k~5 11), 56139#(<= ULTIMATE.start_main_~k~5 12), 56140#(<= ULTIMATE.start_main_~k~5 13), 56141#(<= ULTIMATE.start_main_~k~5 14), 56142#(<= ULTIMATE.start_main_~k~5 15), 56143#(<= ULTIMATE.start_main_~k~5 16), 56144#(<= ULTIMATE.start_main_~k~5 17), 56145#(<= ULTIMATE.start_main_~k~5 18), 56146#(<= ULTIMATE.start_main_~k~5 19), 56147#(<= ULTIMATE.start_main_~k~5 20), 56148#(<= ULTIMATE.start_main_~k~5 21), 56149#(<= ULTIMATE.start_main_~k~5 22), 56150#(<= ULTIMATE.start_main_~k~5 23), 56151#(<= ULTIMATE.start_main_~k~5 24), 56152#(<= ULTIMATE.start_main_~k~5 25), 56153#(<= ULTIMATE.start_main_~k~5 26), 56154#(<= ULTIMATE.start_main_~k~5 27), 56155#(<= ULTIMATE.start_main_~k~5 28), 56156#(<= ULTIMATE.start_main_~k~5 29), 56157#(<= ULTIMATE.start_main_~k~5 30), 56158#(<= ULTIMATE.start_main_~k~5 31), 56159#(<= ULTIMATE.start_main_~k~5 32), 56160#(<= ULTIMATE.start_main_~k~5 33), 56161#(<= ULTIMATE.start_main_~k~5 34), 56162#(<= ULTIMATE.start_main_~k~5 35), 56163#(<= ULTIMATE.start_main_~k~5 36), 56164#(<= ULTIMATE.start_main_~k~5 37), 56165#(<= ULTIMATE.start_main_~k~5 38), 56166#(<= ULTIMATE.start_main_~k~5 39), 56167#(<= ULTIMATE.start_main_~k~5 40), 56168#(<= ULTIMATE.start_main_~k~5 41), 56169#(<= ULTIMATE.start_main_~k~5 42), 56170#(<= ULTIMATE.start_main_~k~5 43), 56171#(<= ULTIMATE.start_main_~k~5 44), 56172#(<= ULTIMATE.start_main_~k~5 45), 56173#(<= ULTIMATE.start_main_~k~5 46), 56174#(<= ULTIMATE.start_main_~k~5 47), 56175#(<= ULTIMATE.start_main_~k~5 48), 56176#(<= ULTIMATE.start_main_~k~5 49), 56177#(<= ULTIMATE.start_main_~k~5 50), 56178#(<= ULTIMATE.start_main_~k~5 51), 56179#(<= ULTIMATE.start_main_~k~5 52), 56180#(<= ULTIMATE.start_main_~k~5 53), 56181#(<= ULTIMATE.start_main_~k~5 54), 56182#(<= ULTIMATE.start_main_~k~5 55), 56183#(<= ULTIMATE.start_main_~k~5 56), 56184#(<= ULTIMATE.start_main_~k~5 57), 56185#(<= ULTIMATE.start_main_~k~5 58), 56186#(<= ULTIMATE.start_main_~k~5 59), 56187#(<= ULTIMATE.start_main_~k~5 60), 56188#(<= ULTIMATE.start_main_~k~5 61), 56189#(<= ULTIMATE.start_main_~k~5 62), 56190#(<= ULTIMATE.start_main_~k~5 63), 56191#(<= ULTIMATE.start_main_~k~5 64), 56192#(<= ULTIMATE.start_main_~k~5 65), 56193#(<= ULTIMATE.start_main_~k~5 66), 56194#(<= ULTIMATE.start_main_~k~5 67), 56195#(<= ULTIMATE.start_main_~k~5 68), 56196#(<= ULTIMATE.start_main_~k~5 69), 56197#(<= ULTIMATE.start_main_~k~5 70), 56198#(<= ULTIMATE.start_main_~k~5 71), 56199#(<= ULTIMATE.start_main_~k~5 72), 56200#(<= ULTIMATE.start_main_~k~5 73), 56201#(<= ULTIMATE.start_main_~k~5 74), 56202#(<= ULTIMATE.start_main_~k~5 75), 56203#(<= ULTIMATE.start_main_~k~5 76), 56204#(<= ULTIMATE.start_main_~k~5 77), 56205#(<= ULTIMATE.start_main_~k~5 78), 56206#(<= ULTIMATE.start_main_~k~5 79), 56207#(<= ULTIMATE.start_main_~k~5 80), 56208#(<= ULTIMATE.start_main_~k~5 81), 56209#(<= ULTIMATE.start_main_~k~5 82), 56210#(<= ULTIMATE.start_main_~k~5 83), 56211#(<= ULTIMATE.start_main_~k~5 84), 56212#(<= ULTIMATE.start_main_~k~5 85), 56213#(<= ULTIMATE.start_main_~k~5 86), 56214#(<= ULTIMATE.start_main_~k~5 87), 56215#(<= ULTIMATE.start_main_~k~5 88), 56216#(<= ULTIMATE.start_main_~k~5 89), 56217#(<= ULTIMATE.start_main_~k~5 90), 56218#(<= ULTIMATE.start_main_~k~5 91), 56219#(<= ULTIMATE.start_main_~k~5 92), 56220#(<= ULTIMATE.start_main_~k~5 93), 56221#(<= ULTIMATE.start_main_~k~5 94), 56222#(<= ULTIMATE.start_main_~k~5 95), 56223#(<= ULTIMATE.start_main_~k~5 96), 56224#(<= ULTIMATE.start_main_~k~5 97), 56225#(<= ULTIMATE.start_main_~k~5 98), 56226#(<= ULTIMATE.start_main_~k~5 99), 56227#(<= ULTIMATE.start_main_~k~5 100), 56228#(<= ULTIMATE.start_main_~k~5 101), 56229#(<= ULTIMATE.start_main_~k~5 102), 56230#(<= ULTIMATE.start_main_~k~5 103), 56231#(<= ULTIMATE.start_main_~k~5 104), 56232#(<= ULTIMATE.start_main_~k~5 105), 56233#(<= ULTIMATE.start_main_~k~5 106), 56234#(<= ULTIMATE.start_main_~k~5 107), 56235#(<= ULTIMATE.start_main_~k~5 108), 56236#(<= ULTIMATE.start_main_~k~5 109), 56237#(<= ULTIMATE.start_main_~k~5 110), 56238#(<= ULTIMATE.start_main_~k~5 111), 56239#(<= ULTIMATE.start_main_~k~5 112), 56240#(<= ULTIMATE.start_main_~k~5 113), 56241#(<= ULTIMATE.start_main_~k~5 114), 56242#(<= ULTIMATE.start_main_~k~5 115), 56243#(<= ULTIMATE.start_main_~k~5 116), 56244#(<= ULTIMATE.start_main_~k~5 117), 56245#(<= ULTIMATE.start_main_~k~5 118), 56246#(<= ULTIMATE.start_main_~k~5 119), 56247#(<= ULTIMATE.start_main_~k~5 120), 56248#(<= ULTIMATE.start_main_~k~5 121), 56249#(<= ULTIMATE.start_main_~k~5 122), 56250#(<= ULTIMATE.start_main_~k~5 123), 56251#(<= ULTIMATE.start_main_~k~5 124), 56252#(<= ULTIMATE.start_main_~k~5 125), 56253#(<= ULTIMATE.start_main_~k~5 126), 56254#(<= ULTIMATE.start_main_~k~5 127), 56255#(<= ULTIMATE.start_main_~k~5 128), 56256#(<= ULTIMATE.start_main_~k~5 129), 56257#(<= ULTIMATE.start_main_~k~5 130), 56258#(<= ULTIMATE.start_main_~k~5 131), 56259#(<= ULTIMATE.start_main_~k~5 132), 56260#(<= ULTIMATE.start_main_~k~5 133), 56261#(<= ULTIMATE.start_main_~k~5 134), 56262#(<= ULTIMATE.start_main_~k~5 135), 56263#(<= ULTIMATE.start_main_~k~5 136), 56264#(<= ULTIMATE.start_main_~k~5 137), 56265#(<= ULTIMATE.start_main_~k~5 138), 56266#(<= ULTIMATE.start_main_~k~5 139), 56267#(<= ULTIMATE.start_main_~k~5 140), 56268#(<= ULTIMATE.start_main_~k~5 141), 56269#(<= ULTIMATE.start_main_~k~5 142), 56270#(<= ULTIMATE.start_main_~k~5 143), 56271#(<= ULTIMATE.start_main_~k~5 144), 56272#(<= ULTIMATE.start_main_~k~5 145)] [2018-07-23 13:41:32,957 INFO L134 CoverageAnalysis]: Checked inductivity of 10585 backedges. 0 proven. 10585 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2018-07-23 13:41:32,957 INFO L450 AbstractCegarLoop]: Interpolant automaton has 148 states [2018-07-23 13:41:32,959 INFO L132 InterpolantAutomaton]: Constructing interpolant automaton starting with 148 interpolants. [2018-07-23 13:41:32,959 INFO L133 InterpolantAutomaton]: CoverageRelationStatistics Valid=10878, Invalid=10878, Unknown=0, NotChecked=0, Total=21756 [2018-07-23 13:41:32,959 INFO L87 Difference]: Start difference. First operand 149 states and 149 transitions. Second operand 148 states. [2018-07-23 13:41:33,236 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2018-07-23 13:41:33,236 INFO L93 Difference]: Finished difference Result 152 states and 152 transitions. [2018-07-23 13:41:33,236 INFO L142 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 148 states. [2018-07-23 13:41:33,236 INFO L78 Accepts]: Start accepts. Automaton has 148 states. Word has length 148 [2018-07-23 13:41:33,237 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2018-07-23 13:41:33,237 INFO L225 Difference]: With dead ends: 152 [2018-07-23 13:41:33,237 INFO L226 Difference]: Without dead ends: 150 [2018-07-23 13:41:33,238 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 13:41:33,238 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 150 states. [2018-07-23 13:41:33,240 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 150 to 150. [2018-07-23 13:41:33,240 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 150 states. [2018-07-23 13:41:33,240 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 150 states to 150 states and 150 transitions. [2018-07-23 13:41:33,241 INFO L78 Accepts]: Start accepts. Automaton has 150 states and 150 transitions. Word has length 148 [2018-07-23 13:41:33,241 INFO L84 Accepts]: Finished accepts. word is rejected. [2018-07-23 13:41:33,241 INFO L471 AbstractCegarLoop]: Abstraction has 150 states and 150 transitions. [2018-07-23 13:41:33,241 INFO L472 AbstractCegarLoop]: Interpolant automaton has 148 states. [2018-07-23 13:41:33,241 INFO L276 IsEmpty]: Start isEmpty. Operand 150 states and 150 transitions. [2018-07-23 13:41:33,242 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 150 [2018-07-23 13:41:33,242 INFO L349 BasicCegarLoop]: Found error trace [2018-07-23 13:41:33,242 INFO L357 BasicCegarLoop]: trace histogram [146, 1, 1, 1] [2018-07-23 13:41:33,242 INFO L414 AbstractCegarLoop]: === Iteration 147 === [ULTIMATE.startErr0AssertViolationASSERT]=== [2018-07-23 13:41:33,242 INFO L82 PathProgramCache]: Analyzing trace with hash -429428447, now seen corresponding path program 146 times [2018-07-23 13:41:33,242 INFO L69 tionRefinementEngine]: Using refinement strategy FixedRefinementStrategy [2018-07-23 13:41:33,289 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-07-23 13:41:33,774 INFO L134 CoverageAnalysis]: Checked inductivity of 10731 backedges. 0 proven. 10731 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2018-07-23 13:41:33,775 INFO L309 seRefinementStrategy]: Constructing automaton from 0 perfect and 1 imperfect interpolant sequences. [2018-07-23 13:41:33,775 INFO L324 seRefinementStrategy]: Number of different interpolants: perfect sequences [] imperfect sequences [148] total 148 [2018-07-23 13:41:33,775 INFO L142 lantAutomatonBuilder]: Constructing canonical interpolant automaton, with selfloop in false state [2018-07-23 13:41:33,775 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2018-07-23 13:41:33,775 INFO L185 omatonBuilderFactory]: Interpolants [56877#true, 56878#false, 56879#(<= ULTIMATE.start_main_~k~5 0), 56880#(<= ULTIMATE.start_main_~k~5 1), 56881#(<= ULTIMATE.start_main_~k~5 2), 56882#(<= ULTIMATE.start_main_~k~5 3), 56883#(<= ULTIMATE.start_main_~k~5 4), 56884#(<= ULTIMATE.start_main_~k~5 5), 56885#(<= ULTIMATE.start_main_~k~5 6), 56886#(<= ULTIMATE.start_main_~k~5 7), 56887#(<= ULTIMATE.start_main_~k~5 8), 56888#(<= ULTIMATE.start_main_~k~5 9), 56889#(<= ULTIMATE.start_main_~k~5 10), 56890#(<= ULTIMATE.start_main_~k~5 11), 56891#(<= ULTIMATE.start_main_~k~5 12), 56892#(<= ULTIMATE.start_main_~k~5 13), 56893#(<= ULTIMATE.start_main_~k~5 14), 56894#(<= ULTIMATE.start_main_~k~5 15), 56895#(<= ULTIMATE.start_main_~k~5 16), 56896#(<= ULTIMATE.start_main_~k~5 17), 56897#(<= ULTIMATE.start_main_~k~5 18), 56898#(<= ULTIMATE.start_main_~k~5 19), 56899#(<= ULTIMATE.start_main_~k~5 20), 56900#(<= ULTIMATE.start_main_~k~5 21), 56901#(<= ULTIMATE.start_main_~k~5 22), 56902#(<= ULTIMATE.start_main_~k~5 23), 56903#(<= ULTIMATE.start_main_~k~5 24), 56904#(<= ULTIMATE.start_main_~k~5 25), 56905#(<= ULTIMATE.start_main_~k~5 26), 56906#(<= ULTIMATE.start_main_~k~5 27), 56907#(<= ULTIMATE.start_main_~k~5 28), 56908#(<= ULTIMATE.start_main_~k~5 29), 56909#(<= ULTIMATE.start_main_~k~5 30), 56910#(<= ULTIMATE.start_main_~k~5 31), 56911#(<= ULTIMATE.start_main_~k~5 32), 56912#(<= ULTIMATE.start_main_~k~5 33), 56913#(<= ULTIMATE.start_main_~k~5 34), 56914#(<= ULTIMATE.start_main_~k~5 35), 56915#(<= ULTIMATE.start_main_~k~5 36), 56916#(<= ULTIMATE.start_main_~k~5 37), 56917#(<= ULTIMATE.start_main_~k~5 38), 56918#(<= ULTIMATE.start_main_~k~5 39), 56919#(<= ULTIMATE.start_main_~k~5 40), 56920#(<= ULTIMATE.start_main_~k~5 41), 56921#(<= ULTIMATE.start_main_~k~5 42), 56922#(<= ULTIMATE.start_main_~k~5 43), 56923#(<= ULTIMATE.start_main_~k~5 44), 56924#(<= ULTIMATE.start_main_~k~5 45), 56925#(<= ULTIMATE.start_main_~k~5 46), 56926#(<= ULTIMATE.start_main_~k~5 47), 56927#(<= ULTIMATE.start_main_~k~5 48), 56928#(<= ULTIMATE.start_main_~k~5 49), 56929#(<= ULTIMATE.start_main_~k~5 50), 56930#(<= ULTIMATE.start_main_~k~5 51), 56931#(<= ULTIMATE.start_main_~k~5 52), 56932#(<= ULTIMATE.start_main_~k~5 53), 56933#(<= ULTIMATE.start_main_~k~5 54), 56934#(<= ULTIMATE.start_main_~k~5 55), 56935#(<= ULTIMATE.start_main_~k~5 56), 56936#(<= ULTIMATE.start_main_~k~5 57), 56937#(<= ULTIMATE.start_main_~k~5 58), 56938#(<= ULTIMATE.start_main_~k~5 59), 56939#(<= ULTIMATE.start_main_~k~5 60), 56940#(<= ULTIMATE.start_main_~k~5 61), 56941#(<= ULTIMATE.start_main_~k~5 62), 56942#(<= ULTIMATE.start_main_~k~5 63), 56943#(<= ULTIMATE.start_main_~k~5 64), 56944#(<= ULTIMATE.start_main_~k~5 65), 56945#(<= ULTIMATE.start_main_~k~5 66), 56946#(<= ULTIMATE.start_main_~k~5 67), 56947#(<= ULTIMATE.start_main_~k~5 68), 56948#(<= ULTIMATE.start_main_~k~5 69), 56949#(<= ULTIMATE.start_main_~k~5 70), 56950#(<= ULTIMATE.start_main_~k~5 71), 56951#(<= ULTIMATE.start_main_~k~5 72), 56952#(<= ULTIMATE.start_main_~k~5 73), 56953#(<= ULTIMATE.start_main_~k~5 74), 56954#(<= ULTIMATE.start_main_~k~5 75), 56955#(<= ULTIMATE.start_main_~k~5 76), 56956#(<= ULTIMATE.start_main_~k~5 77), 56957#(<= ULTIMATE.start_main_~k~5 78), 56958#(<= ULTIMATE.start_main_~k~5 79), 56959#(<= ULTIMATE.start_main_~k~5 80), 56960#(<= ULTIMATE.start_main_~k~5 81), 56961#(<= ULTIMATE.start_main_~k~5 82), 56962#(<= ULTIMATE.start_main_~k~5 83), 56963#(<= ULTIMATE.start_main_~k~5 84), 56964#(<= ULTIMATE.start_main_~k~5 85), 56965#(<= ULTIMATE.start_main_~k~5 86), 56966#(<= ULTIMATE.start_main_~k~5 87), 56967#(<= ULTIMATE.start_main_~k~5 88), 56968#(<= ULTIMATE.start_main_~k~5 89), 56969#(<= ULTIMATE.start_main_~k~5 90), 56970#(<= ULTIMATE.start_main_~k~5 91), 56971#(<= ULTIMATE.start_main_~k~5 92), 56972#(<= ULTIMATE.start_main_~k~5 93), 56973#(<= ULTIMATE.start_main_~k~5 94), 56974#(<= ULTIMATE.start_main_~k~5 95), 56975#(<= ULTIMATE.start_main_~k~5 96), 56976#(<= ULTIMATE.start_main_~k~5 97), 56977#(<= ULTIMATE.start_main_~k~5 98), 56978#(<= ULTIMATE.start_main_~k~5 99), 56979#(<= ULTIMATE.start_main_~k~5 100), 56980#(<= ULTIMATE.start_main_~k~5 101), 56981#(<= ULTIMATE.start_main_~k~5 102), 56982#(<= ULTIMATE.start_main_~k~5 103), 56983#(<= ULTIMATE.start_main_~k~5 104), 56984#(<= ULTIMATE.start_main_~k~5 105), 56985#(<= ULTIMATE.start_main_~k~5 106), 56986#(<= ULTIMATE.start_main_~k~5 107), 56987#(<= ULTIMATE.start_main_~k~5 108), 56988#(<= ULTIMATE.start_main_~k~5 109), 56989#(<= ULTIMATE.start_main_~k~5 110), 56990#(<= ULTIMATE.start_main_~k~5 111), 56991#(<= ULTIMATE.start_main_~k~5 112), 56992#(<= ULTIMATE.start_main_~k~5 113), 56993#(<= ULTIMATE.start_main_~k~5 114), 56994#(<= ULTIMATE.start_main_~k~5 115), 56995#(<= ULTIMATE.start_main_~k~5 116), 56996#(<= ULTIMATE.start_main_~k~5 117), 56997#(<= ULTIMATE.start_main_~k~5 118), 56998#(<= ULTIMATE.start_main_~k~5 119), 56999#(<= ULTIMATE.start_main_~k~5 120), 57000#(<= ULTIMATE.start_main_~k~5 121), 57001#(<= ULTIMATE.start_main_~k~5 122), 57002#(<= ULTIMATE.start_main_~k~5 123), 57003#(<= ULTIMATE.start_main_~k~5 124), 57004#(<= ULTIMATE.start_main_~k~5 125), 57005#(<= ULTIMATE.start_main_~k~5 126), 57006#(<= ULTIMATE.start_main_~k~5 127), 57007#(<= ULTIMATE.start_main_~k~5 128), 57008#(<= ULTIMATE.start_main_~k~5 129), 57009#(<= ULTIMATE.start_main_~k~5 130), 57010#(<= ULTIMATE.start_main_~k~5 131), 57011#(<= ULTIMATE.start_main_~k~5 132), 57012#(<= ULTIMATE.start_main_~k~5 133), 57013#(<= ULTIMATE.start_main_~k~5 134), 57014#(<= ULTIMATE.start_main_~k~5 135), 57015#(<= ULTIMATE.start_main_~k~5 136), 57016#(<= ULTIMATE.start_main_~k~5 137), 57017#(<= ULTIMATE.start_main_~k~5 138), 57018#(<= ULTIMATE.start_main_~k~5 139), 57019#(<= ULTIMATE.start_main_~k~5 140), 57020#(<= ULTIMATE.start_main_~k~5 141), 57021#(<= ULTIMATE.start_main_~k~5 142), 57022#(<= ULTIMATE.start_main_~k~5 143), 57023#(<= ULTIMATE.start_main_~k~5 144), 57024#(<= ULTIMATE.start_main_~k~5 145), 57025#(<= ULTIMATE.start_main_~k~5 146)] [2018-07-23 13:41:33,776 INFO L134 CoverageAnalysis]: Checked inductivity of 10731 backedges. 0 proven. 10731 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2018-07-23 13:41:33,776 INFO L450 AbstractCegarLoop]: Interpolant automaton has 149 states [2018-07-23 13:41:33,778 INFO L132 InterpolantAutomaton]: Constructing interpolant automaton starting with 149 interpolants. [2018-07-23 13:41:33,778 INFO L133 InterpolantAutomaton]: CoverageRelationStatistics Valid=11026, Invalid=11026, Unknown=0, NotChecked=0, Total=22052 [2018-07-23 13:41:33,779 INFO L87 Difference]: Start difference. First operand 150 states and 150 transitions. Second operand 149 states. [2018-07-23 13:41:34,078 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2018-07-23 13:41:34,078 INFO L93 Difference]: Finished difference Result 153 states and 153 transitions. [2018-07-23 13:41:34,078 INFO L142 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 149 states. [2018-07-23 13:41:34,078 INFO L78 Accepts]: Start accepts. Automaton has 149 states. Word has length 149 [2018-07-23 13:41:34,078 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2018-07-23 13:41:34,079 INFO L225 Difference]: With dead ends: 153 [2018-07-23 13:41:34,079 INFO L226 Difference]: Without dead ends: 151 [2018-07-23 13:41:34,080 INFO L575 BasicCegarLoop]: 0 DeclaredPredicates, 148 GetRequests, 1 SyntacticMatches, 0 SemanticMatches, 147 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 0 ImplicationChecksByTransitivity, 0.4s TimeCoverageRelationStatistics Valid=11026, Invalid=11026, Unknown=0, NotChecked=0, Total=22052 [2018-07-23 13:41:34,080 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 151 states. [2018-07-23 13:41:34,083 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 151 to 151. [2018-07-23 13:41:34,083 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 151 states. [2018-07-23 13:41:34,083 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 151 states to 151 states and 151 transitions. [2018-07-23 13:41:34,084 INFO L78 Accepts]: Start accepts. Automaton has 151 states and 151 transitions. Word has length 149 [2018-07-23 13:41:34,084 INFO L84 Accepts]: Finished accepts. word is rejected. [2018-07-23 13:41:34,084 INFO L471 AbstractCegarLoop]: Abstraction has 151 states and 151 transitions. [2018-07-23 13:41:34,084 INFO L472 AbstractCegarLoop]: Interpolant automaton has 149 states. [2018-07-23 13:41:34,084 INFO L276 IsEmpty]: Start isEmpty. Operand 151 states and 151 transitions. [2018-07-23 13:41:34,085 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 151 [2018-07-23 13:41:34,085 INFO L349 BasicCegarLoop]: Found error trace [2018-07-23 13:41:34,085 INFO L357 BasicCegarLoop]: trace histogram [147, 1, 1, 1] [2018-07-23 13:41:34,085 INFO L414 AbstractCegarLoop]: === Iteration 148 === [ULTIMATE.startErr0AssertViolationASSERT]=== [2018-07-23 13:41:34,085 INFO L82 PathProgramCache]: Analyzing trace with hash -427381944, now seen corresponding path program 147 times [2018-07-23 13:41:34,085 INFO L69 tionRefinementEngine]: Using refinement strategy FixedRefinementStrategy [2018-07-23 13:41:34,141 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-07-23 13:41:34,644 INFO L134 CoverageAnalysis]: Checked inductivity of 10878 backedges. 0 proven. 10878 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2018-07-23 13:41:34,644 INFO L309 seRefinementStrategy]: Constructing automaton from 0 perfect and 1 imperfect interpolant sequences. [2018-07-23 13:41:34,644 INFO L324 seRefinementStrategy]: Number of different interpolants: perfect sequences [] imperfect sequences [149] total 149 [2018-07-23 13:41:34,644 INFO L142 lantAutomatonBuilder]: Constructing canonical interpolant automaton, with selfloop in false state [2018-07-23 13:41:34,645 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 13:41:34,645 INFO L185 omatonBuilderFactory]: Interpolants [57634#true, 57635#false, 57636#(<= ULTIMATE.start_main_~k~5 0), 57637#(<= ULTIMATE.start_main_~k~5 1), 57638#(<= ULTIMATE.start_main_~k~5 2), 57639#(<= ULTIMATE.start_main_~k~5 3), 57640#(<= ULTIMATE.start_main_~k~5 4), 57641#(<= ULTIMATE.start_main_~k~5 5), 57642#(<= ULTIMATE.start_main_~k~5 6), 57643#(<= ULTIMATE.start_main_~k~5 7), 57644#(<= ULTIMATE.start_main_~k~5 8), 57645#(<= ULTIMATE.start_main_~k~5 9), 57646#(<= ULTIMATE.start_main_~k~5 10), 57647#(<= ULTIMATE.start_main_~k~5 11), 57648#(<= ULTIMATE.start_main_~k~5 12), 57649#(<= ULTIMATE.start_main_~k~5 13), 57650#(<= ULTIMATE.start_main_~k~5 14), 57651#(<= ULTIMATE.start_main_~k~5 15), 57652#(<= ULTIMATE.start_main_~k~5 16), 57653#(<= ULTIMATE.start_main_~k~5 17), 57654#(<= ULTIMATE.start_main_~k~5 18), 57655#(<= ULTIMATE.start_main_~k~5 19), 57656#(<= ULTIMATE.start_main_~k~5 20), 57657#(<= ULTIMATE.start_main_~k~5 21), 57658#(<= ULTIMATE.start_main_~k~5 22), 57659#(<= ULTIMATE.start_main_~k~5 23), 57660#(<= ULTIMATE.start_main_~k~5 24), 57661#(<= ULTIMATE.start_main_~k~5 25), 57662#(<= ULTIMATE.start_main_~k~5 26), 57663#(<= ULTIMATE.start_main_~k~5 27), 57664#(<= ULTIMATE.start_main_~k~5 28), 57665#(<= ULTIMATE.start_main_~k~5 29), 57666#(<= ULTIMATE.start_main_~k~5 30), 57667#(<= ULTIMATE.start_main_~k~5 31), 57668#(<= ULTIMATE.start_main_~k~5 32), 57669#(<= ULTIMATE.start_main_~k~5 33), 57670#(<= ULTIMATE.start_main_~k~5 34), 57671#(<= ULTIMATE.start_main_~k~5 35), 57672#(<= ULTIMATE.start_main_~k~5 36), 57673#(<= ULTIMATE.start_main_~k~5 37), 57674#(<= ULTIMATE.start_main_~k~5 38), 57675#(<= ULTIMATE.start_main_~k~5 39), 57676#(<= ULTIMATE.start_main_~k~5 40), 57677#(<= ULTIMATE.start_main_~k~5 41), 57678#(<= ULTIMATE.start_main_~k~5 42), 57679#(<= ULTIMATE.start_main_~k~5 43), 57680#(<= ULTIMATE.start_main_~k~5 44), 57681#(<= ULTIMATE.start_main_~k~5 45), 57682#(<= ULTIMATE.start_main_~k~5 46), 57683#(<= ULTIMATE.start_main_~k~5 47), 57684#(<= ULTIMATE.start_main_~k~5 48), 57685#(<= ULTIMATE.start_main_~k~5 49), 57686#(<= ULTIMATE.start_main_~k~5 50), 57687#(<= ULTIMATE.start_main_~k~5 51), 57688#(<= ULTIMATE.start_main_~k~5 52), 57689#(<= ULTIMATE.start_main_~k~5 53), 57690#(<= ULTIMATE.start_main_~k~5 54), 57691#(<= ULTIMATE.start_main_~k~5 55), 57692#(<= ULTIMATE.start_main_~k~5 56), 57693#(<= ULTIMATE.start_main_~k~5 57), 57694#(<= ULTIMATE.start_main_~k~5 58), 57695#(<= ULTIMATE.start_main_~k~5 59), 57696#(<= ULTIMATE.start_main_~k~5 60), 57697#(<= ULTIMATE.start_main_~k~5 61), 57698#(<= ULTIMATE.start_main_~k~5 62), 57699#(<= ULTIMATE.start_main_~k~5 63), 57700#(<= ULTIMATE.start_main_~k~5 64), 57701#(<= ULTIMATE.start_main_~k~5 65), 57702#(<= ULTIMATE.start_main_~k~5 66), 57703#(<= ULTIMATE.start_main_~k~5 67), 57704#(<= ULTIMATE.start_main_~k~5 68), 57705#(<= ULTIMATE.start_main_~k~5 69), 57706#(<= ULTIMATE.start_main_~k~5 70), 57707#(<= ULTIMATE.start_main_~k~5 71), 57708#(<= ULTIMATE.start_main_~k~5 72), 57709#(<= ULTIMATE.start_main_~k~5 73), 57710#(<= ULTIMATE.start_main_~k~5 74), 57711#(<= ULTIMATE.start_main_~k~5 75), 57712#(<= ULTIMATE.start_main_~k~5 76), 57713#(<= ULTIMATE.start_main_~k~5 77), 57714#(<= ULTIMATE.start_main_~k~5 78), 57715#(<= ULTIMATE.start_main_~k~5 79), 57716#(<= ULTIMATE.start_main_~k~5 80), 57717#(<= ULTIMATE.start_main_~k~5 81), 57718#(<= ULTIMATE.start_main_~k~5 82), 57719#(<= ULTIMATE.start_main_~k~5 83), 57720#(<= ULTIMATE.start_main_~k~5 84), 57721#(<= ULTIMATE.start_main_~k~5 85), 57722#(<= ULTIMATE.start_main_~k~5 86), 57723#(<= ULTIMATE.start_main_~k~5 87), 57724#(<= ULTIMATE.start_main_~k~5 88), 57725#(<= ULTIMATE.start_main_~k~5 89), 57726#(<= ULTIMATE.start_main_~k~5 90), 57727#(<= ULTIMATE.start_main_~k~5 91), 57728#(<= ULTIMATE.start_main_~k~5 92), 57729#(<= ULTIMATE.start_main_~k~5 93), 57730#(<= ULTIMATE.start_main_~k~5 94), 57731#(<= ULTIMATE.start_main_~k~5 95), 57732#(<= ULTIMATE.start_main_~k~5 96), 57733#(<= ULTIMATE.start_main_~k~5 97), 57734#(<= ULTIMATE.start_main_~k~5 98), 57735#(<= ULTIMATE.start_main_~k~5 99), 57736#(<= ULTIMATE.start_main_~k~5 100), 57737#(<= ULTIMATE.start_main_~k~5 101), 57738#(<= ULTIMATE.start_main_~k~5 102), 57739#(<= ULTIMATE.start_main_~k~5 103), 57740#(<= ULTIMATE.start_main_~k~5 104), 57741#(<= ULTIMATE.start_main_~k~5 105), 57742#(<= ULTIMATE.start_main_~k~5 106), 57743#(<= ULTIMATE.start_main_~k~5 107), 57744#(<= ULTIMATE.start_main_~k~5 108), 57745#(<= ULTIMATE.start_main_~k~5 109), 57746#(<= ULTIMATE.start_main_~k~5 110), 57747#(<= ULTIMATE.start_main_~k~5 111), 57748#(<= ULTIMATE.start_main_~k~5 112), 57749#(<= ULTIMATE.start_main_~k~5 113), 57750#(<= ULTIMATE.start_main_~k~5 114), 57751#(<= ULTIMATE.start_main_~k~5 115), 57752#(<= ULTIMATE.start_main_~k~5 116), 57753#(<= ULTIMATE.start_main_~k~5 117), 57754#(<= ULTIMATE.start_main_~k~5 118), 57755#(<= ULTIMATE.start_main_~k~5 119), 57756#(<= ULTIMATE.start_main_~k~5 120), 57757#(<= ULTIMATE.start_main_~k~5 121), 57758#(<= ULTIMATE.start_main_~k~5 122), 57759#(<= ULTIMATE.start_main_~k~5 123), 57760#(<= ULTIMATE.start_main_~k~5 124), 57761#(<= ULTIMATE.start_main_~k~5 125), 57762#(<= ULTIMATE.start_main_~k~5 126), 57763#(<= ULTIMATE.start_main_~k~5 127), 57764#(<= ULTIMATE.start_main_~k~5 128), 57765#(<= ULTIMATE.start_main_~k~5 129), 57766#(<= ULTIMATE.start_main_~k~5 130), 57767#(<= ULTIMATE.start_main_~k~5 131), 57768#(<= ULTIMATE.start_main_~k~5 132), 57769#(<= ULTIMATE.start_main_~k~5 133), 57770#(<= ULTIMATE.start_main_~k~5 134), 57771#(<= ULTIMATE.start_main_~k~5 135), 57772#(<= ULTIMATE.start_main_~k~5 136), 57773#(<= ULTIMATE.start_main_~k~5 137), 57774#(<= ULTIMATE.start_main_~k~5 138), 57775#(<= ULTIMATE.start_main_~k~5 139), 57776#(<= ULTIMATE.start_main_~k~5 140), 57777#(<= ULTIMATE.start_main_~k~5 141), 57778#(<= ULTIMATE.start_main_~k~5 142), 57779#(<= ULTIMATE.start_main_~k~5 143), 57780#(<= ULTIMATE.start_main_~k~5 144), 57781#(<= ULTIMATE.start_main_~k~5 145), 57782#(<= ULTIMATE.start_main_~k~5 146), 57783#(<= ULTIMATE.start_main_~k~5 147)] [2018-07-23 13:41:34,645 INFO L134 CoverageAnalysis]: Checked inductivity of 10878 backedges. 0 proven. 10878 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2018-07-23 13:41:34,645 INFO L450 AbstractCegarLoop]: Interpolant automaton has 150 states [2018-07-23 13:41:34,647 INFO L132 InterpolantAutomaton]: Constructing interpolant automaton starting with 150 interpolants. [2018-07-23 13:41:34,647 INFO L133 InterpolantAutomaton]: CoverageRelationStatistics Valid=11175, Invalid=11175, Unknown=0, NotChecked=0, Total=22350 [2018-07-23 13:41:34,648 INFO L87 Difference]: Start difference. First operand 151 states and 151 transitions. Second operand 150 states. [2018-07-23 13:41:34,974 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2018-07-23 13:41:34,974 INFO L93 Difference]: Finished difference Result 154 states and 154 transitions. [2018-07-23 13:41:34,974 INFO L142 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 150 states. [2018-07-23 13:41:34,974 INFO L78 Accepts]: Start accepts. Automaton has 150 states. Word has length 150 [2018-07-23 13:41:34,975 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2018-07-23 13:41:34,975 INFO L225 Difference]: With dead ends: 154 [2018-07-23 13:41:34,975 INFO L226 Difference]: Without dead ends: 152 [2018-07-23 13:41:34,977 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 13:41:34,977 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 152 states. [2018-07-23 13:41:34,979 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 152 to 152. [2018-07-23 13:41:34,980 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 152 states. [2018-07-23 13:41:34,980 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 152 states to 152 states and 152 transitions. [2018-07-23 13:41:34,980 INFO L78 Accepts]: Start accepts. Automaton has 152 states and 152 transitions. Word has length 150 [2018-07-23 13:41:34,980 INFO L84 Accepts]: Finished accepts. word is rejected. [2018-07-23 13:41:34,980 INFO L471 AbstractCegarLoop]: Abstraction has 152 states and 152 transitions. [2018-07-23 13:41:34,980 INFO L472 AbstractCegarLoop]: Interpolant automaton has 150 states. [2018-07-23 13:41:34,981 INFO L276 IsEmpty]: Start isEmpty. Operand 152 states and 152 transitions. [2018-07-23 13:41:34,981 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 152 [2018-07-23 13:41:34,981 INFO L349 BasicCegarLoop]: Found error trace [2018-07-23 13:41:34,981 INFO L357 BasicCegarLoop]: trace histogram [148, 1, 1, 1] [2018-07-23 13:41:34,981 INFO L414 AbstractCegarLoop]: === Iteration 149 === [ULTIMATE.startErr0AssertViolationASSERT]=== [2018-07-23 13:41:34,982 INFO L82 PathProgramCache]: Analyzing trace with hash -363940351, now seen corresponding path program 148 times [2018-07-23 13:41:34,982 INFO L69 tionRefinementEngine]: Using refinement strategy FixedRefinementStrategy [2018-07-23 13:41:35,032 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-07-23 13:41:35,601 INFO L134 CoverageAnalysis]: Checked inductivity of 11026 backedges. 0 proven. 11026 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2018-07-23 13:41:35,601 INFO L309 seRefinementStrategy]: Constructing automaton from 0 perfect and 1 imperfect interpolant sequences. [2018-07-23 13:41:35,601 INFO L324 seRefinementStrategy]: Number of different interpolants: perfect sequences [] imperfect sequences [150] total 150 [2018-07-23 13:41:35,602 INFO L142 lantAutomatonBuilder]: Constructing canonical interpolant automaton, with selfloop in false state [2018-07-23 13:41:35,602 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2018-07-23 13:41:35,602 INFO L185 omatonBuilderFactory]: Interpolants [58396#true, 58397#false, 58398#(<= ULTIMATE.start_main_~k~5 0), 58399#(<= ULTIMATE.start_main_~k~5 1), 58400#(<= ULTIMATE.start_main_~k~5 2), 58401#(<= ULTIMATE.start_main_~k~5 3), 58402#(<= ULTIMATE.start_main_~k~5 4), 58403#(<= ULTIMATE.start_main_~k~5 5), 58404#(<= ULTIMATE.start_main_~k~5 6), 58405#(<= ULTIMATE.start_main_~k~5 7), 58406#(<= ULTIMATE.start_main_~k~5 8), 58407#(<= ULTIMATE.start_main_~k~5 9), 58408#(<= ULTIMATE.start_main_~k~5 10), 58409#(<= ULTIMATE.start_main_~k~5 11), 58410#(<= ULTIMATE.start_main_~k~5 12), 58411#(<= ULTIMATE.start_main_~k~5 13), 58412#(<= ULTIMATE.start_main_~k~5 14), 58413#(<= ULTIMATE.start_main_~k~5 15), 58414#(<= ULTIMATE.start_main_~k~5 16), 58415#(<= ULTIMATE.start_main_~k~5 17), 58416#(<= ULTIMATE.start_main_~k~5 18), 58417#(<= ULTIMATE.start_main_~k~5 19), 58418#(<= ULTIMATE.start_main_~k~5 20), 58419#(<= ULTIMATE.start_main_~k~5 21), 58420#(<= ULTIMATE.start_main_~k~5 22), 58421#(<= ULTIMATE.start_main_~k~5 23), 58422#(<= ULTIMATE.start_main_~k~5 24), 58423#(<= ULTIMATE.start_main_~k~5 25), 58424#(<= ULTIMATE.start_main_~k~5 26), 58425#(<= ULTIMATE.start_main_~k~5 27), 58426#(<= ULTIMATE.start_main_~k~5 28), 58427#(<= ULTIMATE.start_main_~k~5 29), 58428#(<= ULTIMATE.start_main_~k~5 30), 58429#(<= ULTIMATE.start_main_~k~5 31), 58430#(<= ULTIMATE.start_main_~k~5 32), 58431#(<= ULTIMATE.start_main_~k~5 33), 58432#(<= ULTIMATE.start_main_~k~5 34), 58433#(<= ULTIMATE.start_main_~k~5 35), 58434#(<= ULTIMATE.start_main_~k~5 36), 58435#(<= ULTIMATE.start_main_~k~5 37), 58436#(<= ULTIMATE.start_main_~k~5 38), 58437#(<= ULTIMATE.start_main_~k~5 39), 58438#(<= ULTIMATE.start_main_~k~5 40), 58439#(<= ULTIMATE.start_main_~k~5 41), 58440#(<= ULTIMATE.start_main_~k~5 42), 58441#(<= ULTIMATE.start_main_~k~5 43), 58442#(<= ULTIMATE.start_main_~k~5 44), 58443#(<= ULTIMATE.start_main_~k~5 45), 58444#(<= ULTIMATE.start_main_~k~5 46), 58445#(<= ULTIMATE.start_main_~k~5 47), 58446#(<= ULTIMATE.start_main_~k~5 48), 58447#(<= ULTIMATE.start_main_~k~5 49), 58448#(<= ULTIMATE.start_main_~k~5 50), 58449#(<= ULTIMATE.start_main_~k~5 51), 58450#(<= ULTIMATE.start_main_~k~5 52), 58451#(<= ULTIMATE.start_main_~k~5 53), 58452#(<= ULTIMATE.start_main_~k~5 54), 58453#(<= ULTIMATE.start_main_~k~5 55), 58454#(<= ULTIMATE.start_main_~k~5 56), 58455#(<= ULTIMATE.start_main_~k~5 57), 58456#(<= ULTIMATE.start_main_~k~5 58), 58457#(<= ULTIMATE.start_main_~k~5 59), 58458#(<= ULTIMATE.start_main_~k~5 60), 58459#(<= ULTIMATE.start_main_~k~5 61), 58460#(<= ULTIMATE.start_main_~k~5 62), 58461#(<= ULTIMATE.start_main_~k~5 63), 58462#(<= ULTIMATE.start_main_~k~5 64), 58463#(<= ULTIMATE.start_main_~k~5 65), 58464#(<= ULTIMATE.start_main_~k~5 66), 58465#(<= ULTIMATE.start_main_~k~5 67), 58466#(<= ULTIMATE.start_main_~k~5 68), 58467#(<= ULTIMATE.start_main_~k~5 69), 58468#(<= ULTIMATE.start_main_~k~5 70), 58469#(<= ULTIMATE.start_main_~k~5 71), 58470#(<= ULTIMATE.start_main_~k~5 72), 58471#(<= ULTIMATE.start_main_~k~5 73), 58472#(<= ULTIMATE.start_main_~k~5 74), 58473#(<= ULTIMATE.start_main_~k~5 75), 58474#(<= ULTIMATE.start_main_~k~5 76), 58475#(<= ULTIMATE.start_main_~k~5 77), 58476#(<= ULTIMATE.start_main_~k~5 78), 58477#(<= ULTIMATE.start_main_~k~5 79), 58478#(<= ULTIMATE.start_main_~k~5 80), 58479#(<= ULTIMATE.start_main_~k~5 81), 58480#(<= ULTIMATE.start_main_~k~5 82), 58481#(<= ULTIMATE.start_main_~k~5 83), 58482#(<= ULTIMATE.start_main_~k~5 84), 58483#(<= ULTIMATE.start_main_~k~5 85), 58484#(<= ULTIMATE.start_main_~k~5 86), 58485#(<= ULTIMATE.start_main_~k~5 87), 58486#(<= ULTIMATE.start_main_~k~5 88), 58487#(<= ULTIMATE.start_main_~k~5 89), 58488#(<= ULTIMATE.start_main_~k~5 90), 58489#(<= ULTIMATE.start_main_~k~5 91), 58490#(<= ULTIMATE.start_main_~k~5 92), 58491#(<= ULTIMATE.start_main_~k~5 93), 58492#(<= ULTIMATE.start_main_~k~5 94), 58493#(<= ULTIMATE.start_main_~k~5 95), 58494#(<= ULTIMATE.start_main_~k~5 96), 58495#(<= ULTIMATE.start_main_~k~5 97), 58496#(<= ULTIMATE.start_main_~k~5 98), 58497#(<= ULTIMATE.start_main_~k~5 99), 58498#(<= ULTIMATE.start_main_~k~5 100), 58499#(<= ULTIMATE.start_main_~k~5 101), 58500#(<= ULTIMATE.start_main_~k~5 102), 58501#(<= ULTIMATE.start_main_~k~5 103), 58502#(<= ULTIMATE.start_main_~k~5 104), 58503#(<= ULTIMATE.start_main_~k~5 105), 58504#(<= ULTIMATE.start_main_~k~5 106), 58505#(<= ULTIMATE.start_main_~k~5 107), 58506#(<= ULTIMATE.start_main_~k~5 108), 58507#(<= ULTIMATE.start_main_~k~5 109), 58508#(<= ULTIMATE.start_main_~k~5 110), 58509#(<= ULTIMATE.start_main_~k~5 111), 58510#(<= ULTIMATE.start_main_~k~5 112), 58511#(<= ULTIMATE.start_main_~k~5 113), 58512#(<= ULTIMATE.start_main_~k~5 114), 58513#(<= ULTIMATE.start_main_~k~5 115), 58514#(<= ULTIMATE.start_main_~k~5 116), 58515#(<= ULTIMATE.start_main_~k~5 117), 58516#(<= ULTIMATE.start_main_~k~5 118), 58517#(<= ULTIMATE.start_main_~k~5 119), 58518#(<= ULTIMATE.start_main_~k~5 120), 58519#(<= ULTIMATE.start_main_~k~5 121), 58520#(<= ULTIMATE.start_main_~k~5 122), 58521#(<= ULTIMATE.start_main_~k~5 123), 58522#(<= ULTIMATE.start_main_~k~5 124), 58523#(<= ULTIMATE.start_main_~k~5 125), 58524#(<= ULTIMATE.start_main_~k~5 126), 58525#(<= ULTIMATE.start_main_~k~5 127), 58526#(<= ULTIMATE.start_main_~k~5 128), 58527#(<= ULTIMATE.start_main_~k~5 129), 58528#(<= ULTIMATE.start_main_~k~5 130), 58529#(<= ULTIMATE.start_main_~k~5 131), 58530#(<= ULTIMATE.start_main_~k~5 132), 58531#(<= ULTIMATE.start_main_~k~5 133), 58532#(<= ULTIMATE.start_main_~k~5 134), 58533#(<= ULTIMATE.start_main_~k~5 135), 58534#(<= ULTIMATE.start_main_~k~5 136), 58535#(<= ULTIMATE.start_main_~k~5 137), 58536#(<= ULTIMATE.start_main_~k~5 138), 58537#(<= ULTIMATE.start_main_~k~5 139), 58538#(<= ULTIMATE.start_main_~k~5 140), 58539#(<= ULTIMATE.start_main_~k~5 141), 58540#(<= ULTIMATE.start_main_~k~5 142), 58541#(<= ULTIMATE.start_main_~k~5 143), 58542#(<= ULTIMATE.start_main_~k~5 144), 58543#(<= ULTIMATE.start_main_~k~5 145), 58544#(<= ULTIMATE.start_main_~k~5 146), 58545#(<= ULTIMATE.start_main_~k~5 147), 58546#(<= ULTIMATE.start_main_~k~5 148)] [2018-07-23 13:41:35,603 INFO L134 CoverageAnalysis]: Checked inductivity of 11026 backedges. 0 proven. 11026 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2018-07-23 13:41:35,603 INFO L450 AbstractCegarLoop]: Interpolant automaton has 151 states [2018-07-23 13:41:35,605 INFO L132 InterpolantAutomaton]: Constructing interpolant automaton starting with 151 interpolants. [2018-07-23 13:41:35,606 INFO L133 InterpolantAutomaton]: CoverageRelationStatistics Valid=11325, Invalid=11325, Unknown=0, NotChecked=0, Total=22650 [2018-07-23 13:41:35,607 INFO L87 Difference]: Start difference. First operand 152 states and 152 transitions. Second operand 151 states. [2018-07-23 13:41:35,967 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2018-07-23 13:41:35,967 INFO L93 Difference]: Finished difference Result 155 states and 155 transitions. [2018-07-23 13:41:35,967 INFO L142 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 151 states. [2018-07-23 13:41:35,967 INFO L78 Accepts]: Start accepts. Automaton has 151 states. Word has length 151 [2018-07-23 13:41:35,967 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2018-07-23 13:41:35,968 INFO L225 Difference]: With dead ends: 155 [2018-07-23 13:41:35,968 INFO L226 Difference]: Without dead ends: 153 [2018-07-23 13:41:35,969 INFO L575 BasicCegarLoop]: 0 DeclaredPredicates, 150 GetRequests, 1 SyntacticMatches, 0 SemanticMatches, 149 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 0 ImplicationChecksByTransitivity, 0.4s TimeCoverageRelationStatistics Valid=11325, Invalid=11325, Unknown=0, NotChecked=0, Total=22650 [2018-07-23 13:41:35,969 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 153 states. [2018-07-23 13:41:35,972 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 153 to 153. [2018-07-23 13:41:35,972 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 153 states. [2018-07-23 13:41:35,972 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 153 states to 153 states and 153 transitions. [2018-07-23 13:41:35,972 INFO L78 Accepts]: Start accepts. Automaton has 153 states and 153 transitions. Word has length 151 [2018-07-23 13:41:35,972 INFO L84 Accepts]: Finished accepts. word is rejected. [2018-07-23 13:41:35,973 INFO L471 AbstractCegarLoop]: Abstraction has 153 states and 153 transitions. [2018-07-23 13:41:35,973 INFO L472 AbstractCegarLoop]: Interpolant automaton has 151 states. [2018-07-23 13:41:35,973 INFO L276 IsEmpty]: Start isEmpty. Operand 153 states and 153 transitions. [2018-07-23 13:41:35,973 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 153 [2018-07-23 13:41:35,973 INFO L349 BasicCegarLoop]: Found error trace [2018-07-23 13:41:35,974 INFO L357 BasicCegarLoop]: trace histogram [149, 1, 1, 1] [2018-07-23 13:41:35,974 INFO L414 AbstractCegarLoop]: === Iteration 150 === [ULTIMATE.startErr0AssertViolationASSERT]=== [2018-07-23 13:41:35,974 INFO L82 PathProgramCache]: Analyzing trace with hash 1602749032, now seen corresponding path program 149 times [2018-07-23 13:41:35,974 INFO L69 tionRefinementEngine]: Using refinement strategy FixedRefinementStrategy [2018-07-23 13:41:36,029 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-07-23 13:41:36,604 INFO L134 CoverageAnalysis]: Checked inductivity of 11175 backedges. 0 proven. 11175 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2018-07-23 13:41:36,604 INFO L309 seRefinementStrategy]: Constructing automaton from 0 perfect and 1 imperfect interpolant sequences. [2018-07-23 13:41:36,604 INFO L324 seRefinementStrategy]: Number of different interpolants: perfect sequences [] imperfect sequences [151] total 151 [2018-07-23 13:41:36,604 INFO L142 lantAutomatonBuilder]: Constructing canonical interpolant automaton, with selfloop in false state [2018-07-23 13:41:36,605 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2018-07-23 13:41:36,605 INFO L185 omatonBuilderFactory]: Interpolants [59163#true, 59164#false, 59165#(<= ULTIMATE.start_main_~k~5 0), 59166#(<= ULTIMATE.start_main_~k~5 1), 59167#(<= ULTIMATE.start_main_~k~5 2), 59168#(<= ULTIMATE.start_main_~k~5 3), 59169#(<= ULTIMATE.start_main_~k~5 4), 59170#(<= ULTIMATE.start_main_~k~5 5), 59171#(<= ULTIMATE.start_main_~k~5 6), 59172#(<= ULTIMATE.start_main_~k~5 7), 59173#(<= ULTIMATE.start_main_~k~5 8), 59174#(<= ULTIMATE.start_main_~k~5 9), 59175#(<= ULTIMATE.start_main_~k~5 10), 59176#(<= ULTIMATE.start_main_~k~5 11), 59177#(<= ULTIMATE.start_main_~k~5 12), 59178#(<= ULTIMATE.start_main_~k~5 13), 59179#(<= ULTIMATE.start_main_~k~5 14), 59180#(<= ULTIMATE.start_main_~k~5 15), 59181#(<= ULTIMATE.start_main_~k~5 16), 59182#(<= ULTIMATE.start_main_~k~5 17), 59183#(<= ULTIMATE.start_main_~k~5 18), 59184#(<= ULTIMATE.start_main_~k~5 19), 59185#(<= ULTIMATE.start_main_~k~5 20), 59186#(<= ULTIMATE.start_main_~k~5 21), 59187#(<= ULTIMATE.start_main_~k~5 22), 59188#(<= ULTIMATE.start_main_~k~5 23), 59189#(<= ULTIMATE.start_main_~k~5 24), 59190#(<= ULTIMATE.start_main_~k~5 25), 59191#(<= ULTIMATE.start_main_~k~5 26), 59192#(<= ULTIMATE.start_main_~k~5 27), 59193#(<= ULTIMATE.start_main_~k~5 28), 59194#(<= ULTIMATE.start_main_~k~5 29), 59195#(<= ULTIMATE.start_main_~k~5 30), 59196#(<= ULTIMATE.start_main_~k~5 31), 59197#(<= ULTIMATE.start_main_~k~5 32), 59198#(<= ULTIMATE.start_main_~k~5 33), 59199#(<= ULTIMATE.start_main_~k~5 34), 59200#(<= ULTIMATE.start_main_~k~5 35), 59201#(<= ULTIMATE.start_main_~k~5 36), 59202#(<= ULTIMATE.start_main_~k~5 37), 59203#(<= ULTIMATE.start_main_~k~5 38), 59204#(<= ULTIMATE.start_main_~k~5 39), 59205#(<= ULTIMATE.start_main_~k~5 40), 59206#(<= ULTIMATE.start_main_~k~5 41), 59207#(<= ULTIMATE.start_main_~k~5 42), 59208#(<= ULTIMATE.start_main_~k~5 43), 59209#(<= ULTIMATE.start_main_~k~5 44), 59210#(<= ULTIMATE.start_main_~k~5 45), 59211#(<= ULTIMATE.start_main_~k~5 46), 59212#(<= ULTIMATE.start_main_~k~5 47), 59213#(<= ULTIMATE.start_main_~k~5 48), 59214#(<= ULTIMATE.start_main_~k~5 49), 59215#(<= ULTIMATE.start_main_~k~5 50), 59216#(<= ULTIMATE.start_main_~k~5 51), 59217#(<= ULTIMATE.start_main_~k~5 52), 59218#(<= ULTIMATE.start_main_~k~5 53), 59219#(<= ULTIMATE.start_main_~k~5 54), 59220#(<= ULTIMATE.start_main_~k~5 55), 59221#(<= ULTIMATE.start_main_~k~5 56), 59222#(<= ULTIMATE.start_main_~k~5 57), 59223#(<= ULTIMATE.start_main_~k~5 58), 59224#(<= ULTIMATE.start_main_~k~5 59), 59225#(<= ULTIMATE.start_main_~k~5 60), 59226#(<= ULTIMATE.start_main_~k~5 61), 59227#(<= ULTIMATE.start_main_~k~5 62), 59228#(<= ULTIMATE.start_main_~k~5 63), 59229#(<= ULTIMATE.start_main_~k~5 64), 59230#(<= ULTIMATE.start_main_~k~5 65), 59231#(<= ULTIMATE.start_main_~k~5 66), 59232#(<= ULTIMATE.start_main_~k~5 67), 59233#(<= ULTIMATE.start_main_~k~5 68), 59234#(<= ULTIMATE.start_main_~k~5 69), 59235#(<= ULTIMATE.start_main_~k~5 70), 59236#(<= ULTIMATE.start_main_~k~5 71), 59237#(<= ULTIMATE.start_main_~k~5 72), 59238#(<= ULTIMATE.start_main_~k~5 73), 59239#(<= ULTIMATE.start_main_~k~5 74), 59240#(<= ULTIMATE.start_main_~k~5 75), 59241#(<= ULTIMATE.start_main_~k~5 76), 59242#(<= ULTIMATE.start_main_~k~5 77), 59243#(<= ULTIMATE.start_main_~k~5 78), 59244#(<= ULTIMATE.start_main_~k~5 79), 59245#(<= ULTIMATE.start_main_~k~5 80), 59246#(<= ULTIMATE.start_main_~k~5 81), 59247#(<= ULTIMATE.start_main_~k~5 82), 59248#(<= ULTIMATE.start_main_~k~5 83), 59249#(<= ULTIMATE.start_main_~k~5 84), 59250#(<= ULTIMATE.start_main_~k~5 85), 59251#(<= ULTIMATE.start_main_~k~5 86), 59252#(<= ULTIMATE.start_main_~k~5 87), 59253#(<= ULTIMATE.start_main_~k~5 88), 59254#(<= ULTIMATE.start_main_~k~5 89), 59255#(<= ULTIMATE.start_main_~k~5 90), 59256#(<= ULTIMATE.start_main_~k~5 91), 59257#(<= ULTIMATE.start_main_~k~5 92), 59258#(<= ULTIMATE.start_main_~k~5 93), 59259#(<= ULTIMATE.start_main_~k~5 94), 59260#(<= ULTIMATE.start_main_~k~5 95), 59261#(<= ULTIMATE.start_main_~k~5 96), 59262#(<= ULTIMATE.start_main_~k~5 97), 59263#(<= ULTIMATE.start_main_~k~5 98), 59264#(<= ULTIMATE.start_main_~k~5 99), 59265#(<= ULTIMATE.start_main_~k~5 100), 59266#(<= ULTIMATE.start_main_~k~5 101), 59267#(<= ULTIMATE.start_main_~k~5 102), 59268#(<= ULTIMATE.start_main_~k~5 103), 59269#(<= ULTIMATE.start_main_~k~5 104), 59270#(<= ULTIMATE.start_main_~k~5 105), 59271#(<= ULTIMATE.start_main_~k~5 106), 59272#(<= ULTIMATE.start_main_~k~5 107), 59273#(<= ULTIMATE.start_main_~k~5 108), 59274#(<= ULTIMATE.start_main_~k~5 109), 59275#(<= ULTIMATE.start_main_~k~5 110), 59276#(<= ULTIMATE.start_main_~k~5 111), 59277#(<= ULTIMATE.start_main_~k~5 112), 59278#(<= ULTIMATE.start_main_~k~5 113), 59279#(<= ULTIMATE.start_main_~k~5 114), 59280#(<= ULTIMATE.start_main_~k~5 115), 59281#(<= ULTIMATE.start_main_~k~5 116), 59282#(<= ULTIMATE.start_main_~k~5 117), 59283#(<= ULTIMATE.start_main_~k~5 118), 59284#(<= ULTIMATE.start_main_~k~5 119), 59285#(<= ULTIMATE.start_main_~k~5 120), 59286#(<= ULTIMATE.start_main_~k~5 121), 59287#(<= ULTIMATE.start_main_~k~5 122), 59288#(<= ULTIMATE.start_main_~k~5 123), 59289#(<= ULTIMATE.start_main_~k~5 124), 59290#(<= ULTIMATE.start_main_~k~5 125), 59291#(<= ULTIMATE.start_main_~k~5 126), 59292#(<= ULTIMATE.start_main_~k~5 127), 59293#(<= ULTIMATE.start_main_~k~5 128), 59294#(<= ULTIMATE.start_main_~k~5 129), 59295#(<= ULTIMATE.start_main_~k~5 130), 59296#(<= ULTIMATE.start_main_~k~5 131), 59297#(<= ULTIMATE.start_main_~k~5 132), 59298#(<= ULTIMATE.start_main_~k~5 133), 59299#(<= ULTIMATE.start_main_~k~5 134), 59300#(<= ULTIMATE.start_main_~k~5 135), 59301#(<= ULTIMATE.start_main_~k~5 136), 59302#(<= ULTIMATE.start_main_~k~5 137), 59303#(<= ULTIMATE.start_main_~k~5 138), 59304#(<= ULTIMATE.start_main_~k~5 139), 59305#(<= ULTIMATE.start_main_~k~5 140), 59306#(<= ULTIMATE.start_main_~k~5 141), 59307#(<= ULTIMATE.start_main_~k~5 142), 59308#(<= ULTIMATE.start_main_~k~5 143), 59309#(<= ULTIMATE.start_main_~k~5 144), 59310#(<= ULTIMATE.start_main_~k~5 145), 59311#(<= ULTIMATE.start_main_~k~5 146), 59312#(<= ULTIMATE.start_main_~k~5 147), 59313#(<= ULTIMATE.start_main_~k~5 148), 59314#(<= ULTIMATE.start_main_~k~5 149)] [2018-07-23 13:41:36,606 INFO L134 CoverageAnalysis]: Checked inductivity of 11175 backedges. 0 proven. 11175 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2018-07-23 13:41:36,606 INFO L450 AbstractCegarLoop]: Interpolant automaton has 152 states [2018-07-23 13:41:36,608 INFO L132 InterpolantAutomaton]: Constructing interpolant automaton starting with 152 interpolants. [2018-07-23 13:41:36,609 INFO L133 InterpolantAutomaton]: CoverageRelationStatistics Valid=11476, Invalid=11476, Unknown=0, NotChecked=0, Total=22952 [2018-07-23 13:41:36,609 INFO L87 Difference]: Start difference. First operand 153 states and 153 transitions. Second operand 152 states. [2018-07-23 13:41:37,024 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2018-07-23 13:41:37,024 INFO L93 Difference]: Finished difference Result 156 states and 156 transitions. [2018-07-23 13:41:37,024 INFO L142 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 152 states. [2018-07-23 13:41:37,025 INFO L78 Accepts]: Start accepts. Automaton has 152 states. Word has length 152 [2018-07-23 13:41:37,025 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2018-07-23 13:41:37,025 INFO L225 Difference]: With dead ends: 156 [2018-07-23 13:41:37,025 INFO L226 Difference]: Without dead ends: 154 [2018-07-23 13:41:37,026 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 13:41:37,026 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 154 states. [2018-07-23 13:41:37,028 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 154 to 154. [2018-07-23 13:41:37,028 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 154 states. [2018-07-23 13:41:37,028 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 154 states to 154 states and 154 transitions. [2018-07-23 13:41:37,028 INFO L78 Accepts]: Start accepts. Automaton has 154 states and 154 transitions. Word has length 152 [2018-07-23 13:41:37,029 INFO L84 Accepts]: Finished accepts. word is rejected. [2018-07-23 13:41:37,029 INFO L471 AbstractCegarLoop]: Abstraction has 154 states and 154 transitions. [2018-07-23 13:41:37,029 INFO L472 AbstractCegarLoop]: Interpolant automaton has 152 states. [2018-07-23 13:41:37,029 INFO L276 IsEmpty]: Start isEmpty. Operand 154 states and 154 transitions. [2018-07-23 13:41:37,029 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 154 [2018-07-23 13:41:37,029 INFO L349 BasicCegarLoop]: Found error trace [2018-07-23 13:41:37,029 INFO L357 BasicCegarLoop]: trace histogram [150, 1, 1, 1] [2018-07-23 13:41:37,029 INFO L414 AbstractCegarLoop]: === Iteration 151 === [ULTIMATE.startErr0AssertViolationASSERT]=== [2018-07-23 13:41:37,029 INFO L82 PathProgramCache]: Analyzing trace with hash -1854389535, now seen corresponding path program 150 times [2018-07-23 13:41:37,030 INFO L69 tionRefinementEngine]: Using refinement strategy FixedRefinementStrategy [2018-07-23 13:41:37,071 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-07-23 13:41:37,573 INFO L134 CoverageAnalysis]: Checked inductivity of 11325 backedges. 0 proven. 11325 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2018-07-23 13:41:37,573 INFO L309 seRefinementStrategy]: Constructing automaton from 0 perfect and 1 imperfect interpolant sequences. [2018-07-23 13:41:37,573 INFO L324 seRefinementStrategy]: Number of different interpolants: perfect sequences [] imperfect sequences [152] total 152 [2018-07-23 13:41:37,573 INFO L142 lantAutomatonBuilder]: Constructing canonical interpolant automaton, with selfloop in false state [2018-07-23 13:41:37,573 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 13:41:37,574 INFO L185 omatonBuilderFactory]: Interpolants [59935#true, 59936#false, 59937#(<= ULTIMATE.start_main_~k~5 0), 59938#(<= ULTIMATE.start_main_~k~5 1), 59939#(<= ULTIMATE.start_main_~k~5 2), 59940#(<= ULTIMATE.start_main_~k~5 3), 59941#(<= ULTIMATE.start_main_~k~5 4), 59942#(<= ULTIMATE.start_main_~k~5 5), 59943#(<= ULTIMATE.start_main_~k~5 6), 59944#(<= ULTIMATE.start_main_~k~5 7), 59945#(<= ULTIMATE.start_main_~k~5 8), 59946#(<= ULTIMATE.start_main_~k~5 9), 59947#(<= ULTIMATE.start_main_~k~5 10), 59948#(<= ULTIMATE.start_main_~k~5 11), 59949#(<= ULTIMATE.start_main_~k~5 12), 59950#(<= ULTIMATE.start_main_~k~5 13), 59951#(<= ULTIMATE.start_main_~k~5 14), 59952#(<= ULTIMATE.start_main_~k~5 15), 59953#(<= ULTIMATE.start_main_~k~5 16), 59954#(<= ULTIMATE.start_main_~k~5 17), 59955#(<= ULTIMATE.start_main_~k~5 18), 59956#(<= ULTIMATE.start_main_~k~5 19), 59957#(<= ULTIMATE.start_main_~k~5 20), 59958#(<= ULTIMATE.start_main_~k~5 21), 59959#(<= ULTIMATE.start_main_~k~5 22), 59960#(<= ULTIMATE.start_main_~k~5 23), 59961#(<= ULTIMATE.start_main_~k~5 24), 59962#(<= ULTIMATE.start_main_~k~5 25), 59963#(<= ULTIMATE.start_main_~k~5 26), 59964#(<= ULTIMATE.start_main_~k~5 27), 59965#(<= ULTIMATE.start_main_~k~5 28), 59966#(<= ULTIMATE.start_main_~k~5 29), 59967#(<= ULTIMATE.start_main_~k~5 30), 59968#(<= ULTIMATE.start_main_~k~5 31), 59969#(<= ULTIMATE.start_main_~k~5 32), 59970#(<= ULTIMATE.start_main_~k~5 33), 59971#(<= ULTIMATE.start_main_~k~5 34), 59972#(<= ULTIMATE.start_main_~k~5 35), 59973#(<= ULTIMATE.start_main_~k~5 36), 59974#(<= ULTIMATE.start_main_~k~5 37), 59975#(<= ULTIMATE.start_main_~k~5 38), 59976#(<= ULTIMATE.start_main_~k~5 39), 59977#(<= ULTIMATE.start_main_~k~5 40), 59978#(<= ULTIMATE.start_main_~k~5 41), 59979#(<= ULTIMATE.start_main_~k~5 42), 59980#(<= ULTIMATE.start_main_~k~5 43), 59981#(<= ULTIMATE.start_main_~k~5 44), 59982#(<= ULTIMATE.start_main_~k~5 45), 59983#(<= ULTIMATE.start_main_~k~5 46), 59984#(<= ULTIMATE.start_main_~k~5 47), 59985#(<= ULTIMATE.start_main_~k~5 48), 59986#(<= ULTIMATE.start_main_~k~5 49), 59987#(<= ULTIMATE.start_main_~k~5 50), 59988#(<= ULTIMATE.start_main_~k~5 51), 59989#(<= ULTIMATE.start_main_~k~5 52), 59990#(<= ULTIMATE.start_main_~k~5 53), 59991#(<= ULTIMATE.start_main_~k~5 54), 59992#(<= ULTIMATE.start_main_~k~5 55), 59993#(<= ULTIMATE.start_main_~k~5 56), 59994#(<= ULTIMATE.start_main_~k~5 57), 59995#(<= ULTIMATE.start_main_~k~5 58), 59996#(<= ULTIMATE.start_main_~k~5 59), 59997#(<= ULTIMATE.start_main_~k~5 60), 59998#(<= ULTIMATE.start_main_~k~5 61), 59999#(<= ULTIMATE.start_main_~k~5 62), 60000#(<= ULTIMATE.start_main_~k~5 63), 60001#(<= ULTIMATE.start_main_~k~5 64), 60002#(<= ULTIMATE.start_main_~k~5 65), 60003#(<= ULTIMATE.start_main_~k~5 66), 60004#(<= ULTIMATE.start_main_~k~5 67), 60005#(<= ULTIMATE.start_main_~k~5 68), 60006#(<= ULTIMATE.start_main_~k~5 69), 60007#(<= ULTIMATE.start_main_~k~5 70), 60008#(<= ULTIMATE.start_main_~k~5 71), 60009#(<= ULTIMATE.start_main_~k~5 72), 60010#(<= ULTIMATE.start_main_~k~5 73), 60011#(<= ULTIMATE.start_main_~k~5 74), 60012#(<= ULTIMATE.start_main_~k~5 75), 60013#(<= ULTIMATE.start_main_~k~5 76), 60014#(<= ULTIMATE.start_main_~k~5 77), 60015#(<= ULTIMATE.start_main_~k~5 78), 60016#(<= ULTIMATE.start_main_~k~5 79), 60017#(<= ULTIMATE.start_main_~k~5 80), 60018#(<= ULTIMATE.start_main_~k~5 81), 60019#(<= ULTIMATE.start_main_~k~5 82), 60020#(<= ULTIMATE.start_main_~k~5 83), 60021#(<= ULTIMATE.start_main_~k~5 84), 60022#(<= ULTIMATE.start_main_~k~5 85), 60023#(<= ULTIMATE.start_main_~k~5 86), 60024#(<= ULTIMATE.start_main_~k~5 87), 60025#(<= ULTIMATE.start_main_~k~5 88), 60026#(<= ULTIMATE.start_main_~k~5 89), 60027#(<= ULTIMATE.start_main_~k~5 90), 60028#(<= ULTIMATE.start_main_~k~5 91), 60029#(<= ULTIMATE.start_main_~k~5 92), 60030#(<= ULTIMATE.start_main_~k~5 93), 60031#(<= ULTIMATE.start_main_~k~5 94), 60032#(<= ULTIMATE.start_main_~k~5 95), 60033#(<= ULTIMATE.start_main_~k~5 96), 60034#(<= ULTIMATE.start_main_~k~5 97), 60035#(<= ULTIMATE.start_main_~k~5 98), 60036#(<= ULTIMATE.start_main_~k~5 99), 60037#(<= ULTIMATE.start_main_~k~5 100), 60038#(<= ULTIMATE.start_main_~k~5 101), 60039#(<= ULTIMATE.start_main_~k~5 102), 60040#(<= ULTIMATE.start_main_~k~5 103), 60041#(<= ULTIMATE.start_main_~k~5 104), 60042#(<= ULTIMATE.start_main_~k~5 105), 60043#(<= ULTIMATE.start_main_~k~5 106), 60044#(<= ULTIMATE.start_main_~k~5 107), 60045#(<= ULTIMATE.start_main_~k~5 108), 60046#(<= ULTIMATE.start_main_~k~5 109), 60047#(<= ULTIMATE.start_main_~k~5 110), 60048#(<= ULTIMATE.start_main_~k~5 111), 60049#(<= ULTIMATE.start_main_~k~5 112), 60050#(<= ULTIMATE.start_main_~k~5 113), 60051#(<= ULTIMATE.start_main_~k~5 114), 60052#(<= ULTIMATE.start_main_~k~5 115), 60053#(<= ULTIMATE.start_main_~k~5 116), 60054#(<= ULTIMATE.start_main_~k~5 117), 60055#(<= ULTIMATE.start_main_~k~5 118), 60056#(<= ULTIMATE.start_main_~k~5 119), 60057#(<= ULTIMATE.start_main_~k~5 120), 60058#(<= ULTIMATE.start_main_~k~5 121), 60059#(<= ULTIMATE.start_main_~k~5 122), 60060#(<= ULTIMATE.start_main_~k~5 123), 60061#(<= ULTIMATE.start_main_~k~5 124), 60062#(<= ULTIMATE.start_main_~k~5 125), 60063#(<= ULTIMATE.start_main_~k~5 126), 60064#(<= ULTIMATE.start_main_~k~5 127), 60065#(<= ULTIMATE.start_main_~k~5 128), 60066#(<= ULTIMATE.start_main_~k~5 129), 60067#(<= ULTIMATE.start_main_~k~5 130), 60068#(<= ULTIMATE.start_main_~k~5 131), 60069#(<= ULTIMATE.start_main_~k~5 132), 60070#(<= ULTIMATE.start_main_~k~5 133), 60071#(<= ULTIMATE.start_main_~k~5 134), 60072#(<= ULTIMATE.start_main_~k~5 135), 60073#(<= ULTIMATE.start_main_~k~5 136), 60074#(<= ULTIMATE.start_main_~k~5 137), 60075#(<= ULTIMATE.start_main_~k~5 138), 60076#(<= ULTIMATE.start_main_~k~5 139), 60077#(<= ULTIMATE.start_main_~k~5 140), 60078#(<= ULTIMATE.start_main_~k~5 141), 60079#(<= ULTIMATE.start_main_~k~5 142), 60080#(<= ULTIMATE.start_main_~k~5 143), 60081#(<= ULTIMATE.start_main_~k~5 144), 60082#(<= ULTIMATE.start_main_~k~5 145), 60083#(<= ULTIMATE.start_main_~k~5 146), 60084#(<= ULTIMATE.start_main_~k~5 147), 60085#(<= ULTIMATE.start_main_~k~5 148), 60086#(<= ULTIMATE.start_main_~k~5 149), 60087#(<= ULTIMATE.start_main_~k~5 150)] [2018-07-23 13:41:37,575 INFO L134 CoverageAnalysis]: Checked inductivity of 11325 backedges. 0 proven. 11325 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2018-07-23 13:41:37,575 INFO L450 AbstractCegarLoop]: Interpolant automaton has 153 states [2018-07-23 13:41:37,577 INFO L132 InterpolantAutomaton]: Constructing interpolant automaton starting with 153 interpolants. [2018-07-23 13:41:37,578 INFO L133 InterpolantAutomaton]: CoverageRelationStatistics Valid=11628, Invalid=11628, Unknown=0, NotChecked=0, Total=23256 [2018-07-23 13:41:37,578 INFO L87 Difference]: Start difference. First operand 154 states and 154 transitions. Second operand 153 states. [2018-07-23 13:41:37,964 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2018-07-23 13:41:37,964 INFO L93 Difference]: Finished difference Result 157 states and 157 transitions. [2018-07-23 13:41:37,965 INFO L142 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 153 states. [2018-07-23 13:41:37,965 INFO L78 Accepts]: Start accepts. Automaton has 153 states. Word has length 153 [2018-07-23 13:41:37,965 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2018-07-23 13:41:37,965 INFO L225 Difference]: With dead ends: 157 [2018-07-23 13:41:37,965 INFO L226 Difference]: Without dead ends: 155 [2018-07-23 13:41:37,966 INFO L575 BasicCegarLoop]: 0 DeclaredPredicates, 152 GetRequests, 1 SyntacticMatches, 0 SemanticMatches, 151 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 0 ImplicationChecksByTransitivity, 0.4s TimeCoverageRelationStatistics Valid=11628, Invalid=11628, Unknown=0, NotChecked=0, Total=23256 [2018-07-23 13:41:37,966 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 155 states. [2018-07-23 13:41:37,968 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 155 to 155. [2018-07-23 13:41:37,968 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 155 states. [2018-07-23 13:41:37,968 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 155 states to 155 states and 155 transitions. [2018-07-23 13:41:37,969 INFO L78 Accepts]: Start accepts. Automaton has 155 states and 155 transitions. Word has length 153 [2018-07-23 13:41:37,969 INFO L84 Accepts]: Finished accepts. word is rejected. [2018-07-23 13:41:37,969 INFO L471 AbstractCegarLoop]: Abstraction has 155 states and 155 transitions. [2018-07-23 13:41:37,969 INFO L472 AbstractCegarLoop]: Interpolant automaton has 153 states. [2018-07-23 13:41:37,969 INFO L276 IsEmpty]: Start isEmpty. Operand 155 states and 155 transitions. [2018-07-23 13:41:37,969 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 155 [2018-07-23 13:41:37,969 INFO L349 BasicCegarLoop]: Found error trace [2018-07-23 13:41:37,969 INFO L357 BasicCegarLoop]: trace histogram [151, 1, 1, 1] [2018-07-23 13:41:37,970 INFO L414 AbstractCegarLoop]: === Iteration 152 === [ULTIMATE.startErr0AssertViolationASSERT]=== [2018-07-23 13:41:37,970 INFO L82 PathProgramCache]: Analyzing trace with hash -1651502712, now seen corresponding path program 151 times [2018-07-23 13:41:37,970 INFO L69 tionRefinementEngine]: Using refinement strategy FixedRefinementStrategy [2018-07-23 13:41:38,040 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-07-23 13:41:38,567 INFO L134 CoverageAnalysis]: Checked inductivity of 11476 backedges. 0 proven. 11476 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2018-07-23 13:41:38,567 INFO L309 seRefinementStrategy]: Constructing automaton from 0 perfect and 1 imperfect interpolant sequences. [2018-07-23 13:41:38,567 INFO L324 seRefinementStrategy]: Number of different interpolants: perfect sequences [] imperfect sequences [153] total 153 [2018-07-23 13:41:38,567 INFO L142 lantAutomatonBuilder]: Constructing canonical interpolant automaton, with selfloop in false state [2018-07-23 13:41:38,567 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2018-07-23 13:41:38,568 INFO L185 omatonBuilderFactory]: Interpolants [60712#true, 60713#false, 60714#(<= ULTIMATE.start_main_~k~5 0), 60715#(<= ULTIMATE.start_main_~k~5 1), 60716#(<= ULTIMATE.start_main_~k~5 2), 60717#(<= ULTIMATE.start_main_~k~5 3), 60718#(<= ULTIMATE.start_main_~k~5 4), 60719#(<= ULTIMATE.start_main_~k~5 5), 60720#(<= ULTIMATE.start_main_~k~5 6), 60721#(<= ULTIMATE.start_main_~k~5 7), 60722#(<= ULTIMATE.start_main_~k~5 8), 60723#(<= ULTIMATE.start_main_~k~5 9), 60724#(<= ULTIMATE.start_main_~k~5 10), 60725#(<= ULTIMATE.start_main_~k~5 11), 60726#(<= ULTIMATE.start_main_~k~5 12), 60727#(<= ULTIMATE.start_main_~k~5 13), 60728#(<= ULTIMATE.start_main_~k~5 14), 60729#(<= ULTIMATE.start_main_~k~5 15), 60730#(<= ULTIMATE.start_main_~k~5 16), 60731#(<= ULTIMATE.start_main_~k~5 17), 60732#(<= ULTIMATE.start_main_~k~5 18), 60733#(<= ULTIMATE.start_main_~k~5 19), 60734#(<= ULTIMATE.start_main_~k~5 20), 60735#(<= ULTIMATE.start_main_~k~5 21), 60736#(<= ULTIMATE.start_main_~k~5 22), 60737#(<= ULTIMATE.start_main_~k~5 23), 60738#(<= ULTIMATE.start_main_~k~5 24), 60739#(<= ULTIMATE.start_main_~k~5 25), 60740#(<= ULTIMATE.start_main_~k~5 26), 60741#(<= ULTIMATE.start_main_~k~5 27), 60742#(<= ULTIMATE.start_main_~k~5 28), 60743#(<= ULTIMATE.start_main_~k~5 29), 60744#(<= ULTIMATE.start_main_~k~5 30), 60745#(<= ULTIMATE.start_main_~k~5 31), 60746#(<= ULTIMATE.start_main_~k~5 32), 60747#(<= ULTIMATE.start_main_~k~5 33), 60748#(<= ULTIMATE.start_main_~k~5 34), 60749#(<= ULTIMATE.start_main_~k~5 35), 60750#(<= ULTIMATE.start_main_~k~5 36), 60751#(<= ULTIMATE.start_main_~k~5 37), 60752#(<= ULTIMATE.start_main_~k~5 38), 60753#(<= ULTIMATE.start_main_~k~5 39), 60754#(<= ULTIMATE.start_main_~k~5 40), 60755#(<= ULTIMATE.start_main_~k~5 41), 60756#(<= ULTIMATE.start_main_~k~5 42), 60757#(<= ULTIMATE.start_main_~k~5 43), 60758#(<= ULTIMATE.start_main_~k~5 44), 60759#(<= ULTIMATE.start_main_~k~5 45), 60760#(<= ULTIMATE.start_main_~k~5 46), 60761#(<= ULTIMATE.start_main_~k~5 47), 60762#(<= ULTIMATE.start_main_~k~5 48), 60763#(<= ULTIMATE.start_main_~k~5 49), 60764#(<= ULTIMATE.start_main_~k~5 50), 60765#(<= ULTIMATE.start_main_~k~5 51), 60766#(<= ULTIMATE.start_main_~k~5 52), 60767#(<= ULTIMATE.start_main_~k~5 53), 60768#(<= ULTIMATE.start_main_~k~5 54), 60769#(<= ULTIMATE.start_main_~k~5 55), 60770#(<= ULTIMATE.start_main_~k~5 56), 60771#(<= ULTIMATE.start_main_~k~5 57), 60772#(<= ULTIMATE.start_main_~k~5 58), 60773#(<= ULTIMATE.start_main_~k~5 59), 60774#(<= ULTIMATE.start_main_~k~5 60), 60775#(<= ULTIMATE.start_main_~k~5 61), 60776#(<= ULTIMATE.start_main_~k~5 62), 60777#(<= ULTIMATE.start_main_~k~5 63), 60778#(<= ULTIMATE.start_main_~k~5 64), 60779#(<= ULTIMATE.start_main_~k~5 65), 60780#(<= ULTIMATE.start_main_~k~5 66), 60781#(<= ULTIMATE.start_main_~k~5 67), 60782#(<= ULTIMATE.start_main_~k~5 68), 60783#(<= ULTIMATE.start_main_~k~5 69), 60784#(<= ULTIMATE.start_main_~k~5 70), 60785#(<= ULTIMATE.start_main_~k~5 71), 60786#(<= ULTIMATE.start_main_~k~5 72), 60787#(<= ULTIMATE.start_main_~k~5 73), 60788#(<= ULTIMATE.start_main_~k~5 74), 60789#(<= ULTIMATE.start_main_~k~5 75), 60790#(<= ULTIMATE.start_main_~k~5 76), 60791#(<= ULTIMATE.start_main_~k~5 77), 60792#(<= ULTIMATE.start_main_~k~5 78), 60793#(<= ULTIMATE.start_main_~k~5 79), 60794#(<= ULTIMATE.start_main_~k~5 80), 60795#(<= ULTIMATE.start_main_~k~5 81), 60796#(<= ULTIMATE.start_main_~k~5 82), 60797#(<= ULTIMATE.start_main_~k~5 83), 60798#(<= ULTIMATE.start_main_~k~5 84), 60799#(<= ULTIMATE.start_main_~k~5 85), 60800#(<= ULTIMATE.start_main_~k~5 86), 60801#(<= ULTIMATE.start_main_~k~5 87), 60802#(<= ULTIMATE.start_main_~k~5 88), 60803#(<= ULTIMATE.start_main_~k~5 89), 60804#(<= ULTIMATE.start_main_~k~5 90), 60805#(<= ULTIMATE.start_main_~k~5 91), 60806#(<= ULTIMATE.start_main_~k~5 92), 60807#(<= ULTIMATE.start_main_~k~5 93), 60808#(<= ULTIMATE.start_main_~k~5 94), 60809#(<= ULTIMATE.start_main_~k~5 95), 60810#(<= ULTIMATE.start_main_~k~5 96), 60811#(<= ULTIMATE.start_main_~k~5 97), 60812#(<= ULTIMATE.start_main_~k~5 98), 60813#(<= ULTIMATE.start_main_~k~5 99), 60814#(<= ULTIMATE.start_main_~k~5 100), 60815#(<= ULTIMATE.start_main_~k~5 101), 60816#(<= ULTIMATE.start_main_~k~5 102), 60817#(<= ULTIMATE.start_main_~k~5 103), 60818#(<= ULTIMATE.start_main_~k~5 104), 60819#(<= ULTIMATE.start_main_~k~5 105), 60820#(<= ULTIMATE.start_main_~k~5 106), 60821#(<= ULTIMATE.start_main_~k~5 107), 60822#(<= ULTIMATE.start_main_~k~5 108), 60823#(<= ULTIMATE.start_main_~k~5 109), 60824#(<= ULTIMATE.start_main_~k~5 110), 60825#(<= ULTIMATE.start_main_~k~5 111), 60826#(<= ULTIMATE.start_main_~k~5 112), 60827#(<= ULTIMATE.start_main_~k~5 113), 60828#(<= ULTIMATE.start_main_~k~5 114), 60829#(<= ULTIMATE.start_main_~k~5 115), 60830#(<= ULTIMATE.start_main_~k~5 116), 60831#(<= ULTIMATE.start_main_~k~5 117), 60832#(<= ULTIMATE.start_main_~k~5 118), 60833#(<= ULTIMATE.start_main_~k~5 119), 60834#(<= ULTIMATE.start_main_~k~5 120), 60835#(<= ULTIMATE.start_main_~k~5 121), 60836#(<= ULTIMATE.start_main_~k~5 122), 60837#(<= ULTIMATE.start_main_~k~5 123), 60838#(<= ULTIMATE.start_main_~k~5 124), 60839#(<= ULTIMATE.start_main_~k~5 125), 60840#(<= ULTIMATE.start_main_~k~5 126), 60841#(<= ULTIMATE.start_main_~k~5 127), 60842#(<= ULTIMATE.start_main_~k~5 128), 60843#(<= ULTIMATE.start_main_~k~5 129), 60844#(<= ULTIMATE.start_main_~k~5 130), 60845#(<= ULTIMATE.start_main_~k~5 131), 60846#(<= ULTIMATE.start_main_~k~5 132), 60847#(<= ULTIMATE.start_main_~k~5 133), 60848#(<= ULTIMATE.start_main_~k~5 134), 60849#(<= ULTIMATE.start_main_~k~5 135), 60850#(<= ULTIMATE.start_main_~k~5 136), 60851#(<= ULTIMATE.start_main_~k~5 137), 60852#(<= ULTIMATE.start_main_~k~5 138), 60853#(<= ULTIMATE.start_main_~k~5 139), 60854#(<= ULTIMATE.start_main_~k~5 140), 60855#(<= ULTIMATE.start_main_~k~5 141), 60856#(<= ULTIMATE.start_main_~k~5 142), 60857#(<= ULTIMATE.start_main_~k~5 143), 60858#(<= ULTIMATE.start_main_~k~5 144), 60859#(<= ULTIMATE.start_main_~k~5 145), 60860#(<= ULTIMATE.start_main_~k~5 146), 60861#(<= ULTIMATE.start_main_~k~5 147), 60862#(<= ULTIMATE.start_main_~k~5 148), 60863#(<= ULTIMATE.start_main_~k~5 149), 60864#(<= ULTIMATE.start_main_~k~5 150), 60865#(<= ULTIMATE.start_main_~k~5 151)] [2018-07-23 13:41:38,568 INFO L134 CoverageAnalysis]: Checked inductivity of 11476 backedges. 0 proven. 11476 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2018-07-23 13:41:38,568 INFO L450 AbstractCegarLoop]: Interpolant automaton has 154 states [2018-07-23 13:41:38,570 INFO L132 InterpolantAutomaton]: Constructing interpolant automaton starting with 154 interpolants. [2018-07-23 13:41:38,571 INFO L133 InterpolantAutomaton]: CoverageRelationStatistics Valid=11781, Invalid=11781, Unknown=0, NotChecked=0, Total=23562 [2018-07-23 13:41:38,571 INFO L87 Difference]: Start difference. First operand 155 states and 155 transitions. Second operand 154 states. [2018-07-23 13:41:38,919 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2018-07-23 13:41:38,919 INFO L93 Difference]: Finished difference Result 158 states and 158 transitions. [2018-07-23 13:41:38,919 INFO L142 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 154 states. [2018-07-23 13:41:38,920 INFO L78 Accepts]: Start accepts. Automaton has 154 states. Word has length 154 [2018-07-23 13:41:38,920 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2018-07-23 13:41:38,920 INFO L225 Difference]: With dead ends: 158 [2018-07-23 13:41:38,920 INFO L226 Difference]: Without dead ends: 156 [2018-07-23 13:41:38,921 INFO L575 BasicCegarLoop]: 0 DeclaredPredicates, 153 GetRequests, 1 SyntacticMatches, 0 SemanticMatches, 152 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 0 ImplicationChecksByTransitivity, 0.4s TimeCoverageRelationStatistics Valid=11781, Invalid=11781, Unknown=0, NotChecked=0, Total=23562 [2018-07-23 13:41:38,921 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 156 states. [2018-07-23 13:41:38,923 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 156 to 156. [2018-07-23 13:41:38,923 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 156 states. [2018-07-23 13:41:38,923 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 156 states to 156 states and 156 transitions. [2018-07-23 13:41:38,923 INFO L78 Accepts]: Start accepts. Automaton has 156 states and 156 transitions. Word has length 154 [2018-07-23 13:41:38,923 INFO L84 Accepts]: Finished accepts. word is rejected. [2018-07-23 13:41:38,923 INFO L471 AbstractCegarLoop]: Abstraction has 156 states and 156 transitions. [2018-07-23 13:41:38,923 INFO L472 AbstractCegarLoop]: Interpolant automaton has 154 states. [2018-07-23 13:41:38,924 INFO L276 IsEmpty]: Start isEmpty. Operand 156 states and 156 transitions. [2018-07-23 13:41:38,924 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 156 [2018-07-23 13:41:38,924 INFO L349 BasicCegarLoop]: Found error trace [2018-07-23 13:41:38,924 INFO L357 BasicCegarLoop]: trace histogram [152, 1, 1, 1] [2018-07-23 13:41:38,924 INFO L414 AbstractCegarLoop]: === Iteration 153 === [ULTIMATE.startErr0AssertViolationASSERT]=== [2018-07-23 13:41:38,925 INFO L82 PathProgramCache]: Analyzing trace with hash 343021505, now seen corresponding path program 152 times [2018-07-23 13:41:38,925 INFO L69 tionRefinementEngine]: Using refinement strategy FixedRefinementStrategy [2018-07-23 13:41:38,992 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-07-23 13:41:39,522 INFO L134 CoverageAnalysis]: Checked inductivity of 11628 backedges. 0 proven. 11628 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2018-07-23 13:41:39,522 INFO L309 seRefinementStrategy]: Constructing automaton from 0 perfect and 1 imperfect interpolant sequences. [2018-07-23 13:41:39,522 INFO L324 seRefinementStrategy]: Number of different interpolants: perfect sequences [] imperfect sequences [154] total 154 [2018-07-23 13:41:39,522 INFO L142 lantAutomatonBuilder]: Constructing canonical interpolant automaton, with selfloop in false state [2018-07-23 13:41:39,523 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 13:41:39,523 INFO L185 omatonBuilderFactory]: Interpolants [61494#true, 61495#false, 61496#(<= ULTIMATE.start_main_~k~5 0), 61497#(<= ULTIMATE.start_main_~k~5 1), 61498#(<= ULTIMATE.start_main_~k~5 2), 61499#(<= ULTIMATE.start_main_~k~5 3), 61500#(<= ULTIMATE.start_main_~k~5 4), 61501#(<= ULTIMATE.start_main_~k~5 5), 61502#(<= ULTIMATE.start_main_~k~5 6), 61503#(<= ULTIMATE.start_main_~k~5 7), 61504#(<= ULTIMATE.start_main_~k~5 8), 61505#(<= ULTIMATE.start_main_~k~5 9), 61506#(<= ULTIMATE.start_main_~k~5 10), 61507#(<= ULTIMATE.start_main_~k~5 11), 61508#(<= ULTIMATE.start_main_~k~5 12), 61509#(<= ULTIMATE.start_main_~k~5 13), 61510#(<= ULTIMATE.start_main_~k~5 14), 61511#(<= ULTIMATE.start_main_~k~5 15), 61512#(<= ULTIMATE.start_main_~k~5 16), 61513#(<= ULTIMATE.start_main_~k~5 17), 61514#(<= ULTIMATE.start_main_~k~5 18), 61515#(<= ULTIMATE.start_main_~k~5 19), 61516#(<= ULTIMATE.start_main_~k~5 20), 61517#(<= ULTIMATE.start_main_~k~5 21), 61518#(<= ULTIMATE.start_main_~k~5 22), 61519#(<= ULTIMATE.start_main_~k~5 23), 61520#(<= ULTIMATE.start_main_~k~5 24), 61521#(<= ULTIMATE.start_main_~k~5 25), 61522#(<= ULTIMATE.start_main_~k~5 26), 61523#(<= ULTIMATE.start_main_~k~5 27), 61524#(<= ULTIMATE.start_main_~k~5 28), 61525#(<= ULTIMATE.start_main_~k~5 29), 61526#(<= ULTIMATE.start_main_~k~5 30), 61527#(<= ULTIMATE.start_main_~k~5 31), 61528#(<= ULTIMATE.start_main_~k~5 32), 61529#(<= ULTIMATE.start_main_~k~5 33), 61530#(<= ULTIMATE.start_main_~k~5 34), 61531#(<= ULTIMATE.start_main_~k~5 35), 61532#(<= ULTIMATE.start_main_~k~5 36), 61533#(<= ULTIMATE.start_main_~k~5 37), 61534#(<= ULTIMATE.start_main_~k~5 38), 61535#(<= ULTIMATE.start_main_~k~5 39), 61536#(<= ULTIMATE.start_main_~k~5 40), 61537#(<= ULTIMATE.start_main_~k~5 41), 61538#(<= ULTIMATE.start_main_~k~5 42), 61539#(<= ULTIMATE.start_main_~k~5 43), 61540#(<= ULTIMATE.start_main_~k~5 44), 61541#(<= ULTIMATE.start_main_~k~5 45), 61542#(<= ULTIMATE.start_main_~k~5 46), 61543#(<= ULTIMATE.start_main_~k~5 47), 61544#(<= ULTIMATE.start_main_~k~5 48), 61545#(<= ULTIMATE.start_main_~k~5 49), 61546#(<= ULTIMATE.start_main_~k~5 50), 61547#(<= ULTIMATE.start_main_~k~5 51), 61548#(<= ULTIMATE.start_main_~k~5 52), 61549#(<= ULTIMATE.start_main_~k~5 53), 61550#(<= ULTIMATE.start_main_~k~5 54), 61551#(<= ULTIMATE.start_main_~k~5 55), 61552#(<= ULTIMATE.start_main_~k~5 56), 61553#(<= ULTIMATE.start_main_~k~5 57), 61554#(<= ULTIMATE.start_main_~k~5 58), 61555#(<= ULTIMATE.start_main_~k~5 59), 61556#(<= ULTIMATE.start_main_~k~5 60), 61557#(<= ULTIMATE.start_main_~k~5 61), 61558#(<= ULTIMATE.start_main_~k~5 62), 61559#(<= ULTIMATE.start_main_~k~5 63), 61560#(<= ULTIMATE.start_main_~k~5 64), 61561#(<= ULTIMATE.start_main_~k~5 65), 61562#(<= ULTIMATE.start_main_~k~5 66), 61563#(<= ULTIMATE.start_main_~k~5 67), 61564#(<= ULTIMATE.start_main_~k~5 68), 61565#(<= ULTIMATE.start_main_~k~5 69), 61566#(<= ULTIMATE.start_main_~k~5 70), 61567#(<= ULTIMATE.start_main_~k~5 71), 61568#(<= ULTIMATE.start_main_~k~5 72), 61569#(<= ULTIMATE.start_main_~k~5 73), 61570#(<= ULTIMATE.start_main_~k~5 74), 61571#(<= ULTIMATE.start_main_~k~5 75), 61572#(<= ULTIMATE.start_main_~k~5 76), 61573#(<= ULTIMATE.start_main_~k~5 77), 61574#(<= ULTIMATE.start_main_~k~5 78), 61575#(<= ULTIMATE.start_main_~k~5 79), 61576#(<= ULTIMATE.start_main_~k~5 80), 61577#(<= ULTIMATE.start_main_~k~5 81), 61578#(<= ULTIMATE.start_main_~k~5 82), 61579#(<= ULTIMATE.start_main_~k~5 83), 61580#(<= ULTIMATE.start_main_~k~5 84), 61581#(<= ULTIMATE.start_main_~k~5 85), 61582#(<= ULTIMATE.start_main_~k~5 86), 61583#(<= ULTIMATE.start_main_~k~5 87), 61584#(<= ULTIMATE.start_main_~k~5 88), 61585#(<= ULTIMATE.start_main_~k~5 89), 61586#(<= ULTIMATE.start_main_~k~5 90), 61587#(<= ULTIMATE.start_main_~k~5 91), 61588#(<= ULTIMATE.start_main_~k~5 92), 61589#(<= ULTIMATE.start_main_~k~5 93), 61590#(<= ULTIMATE.start_main_~k~5 94), 61591#(<= ULTIMATE.start_main_~k~5 95), 61592#(<= ULTIMATE.start_main_~k~5 96), 61593#(<= ULTIMATE.start_main_~k~5 97), 61594#(<= ULTIMATE.start_main_~k~5 98), 61595#(<= ULTIMATE.start_main_~k~5 99), 61596#(<= ULTIMATE.start_main_~k~5 100), 61597#(<= ULTIMATE.start_main_~k~5 101), 61598#(<= ULTIMATE.start_main_~k~5 102), 61599#(<= ULTIMATE.start_main_~k~5 103), 61600#(<= ULTIMATE.start_main_~k~5 104), 61601#(<= ULTIMATE.start_main_~k~5 105), 61602#(<= ULTIMATE.start_main_~k~5 106), 61603#(<= ULTIMATE.start_main_~k~5 107), 61604#(<= ULTIMATE.start_main_~k~5 108), 61605#(<= ULTIMATE.start_main_~k~5 109), 61606#(<= ULTIMATE.start_main_~k~5 110), 61607#(<= ULTIMATE.start_main_~k~5 111), 61608#(<= ULTIMATE.start_main_~k~5 112), 61609#(<= ULTIMATE.start_main_~k~5 113), 61610#(<= ULTIMATE.start_main_~k~5 114), 61611#(<= ULTIMATE.start_main_~k~5 115), 61612#(<= ULTIMATE.start_main_~k~5 116), 61613#(<= ULTIMATE.start_main_~k~5 117), 61614#(<= ULTIMATE.start_main_~k~5 118), 61615#(<= ULTIMATE.start_main_~k~5 119), 61616#(<= ULTIMATE.start_main_~k~5 120), 61617#(<= ULTIMATE.start_main_~k~5 121), 61618#(<= ULTIMATE.start_main_~k~5 122), 61619#(<= ULTIMATE.start_main_~k~5 123), 61620#(<= ULTIMATE.start_main_~k~5 124), 61621#(<= ULTIMATE.start_main_~k~5 125), 61622#(<= ULTIMATE.start_main_~k~5 126), 61623#(<= ULTIMATE.start_main_~k~5 127), 61624#(<= ULTIMATE.start_main_~k~5 128), 61625#(<= ULTIMATE.start_main_~k~5 129), 61626#(<= ULTIMATE.start_main_~k~5 130), 61627#(<= ULTIMATE.start_main_~k~5 131), 61628#(<= ULTIMATE.start_main_~k~5 132), 61629#(<= ULTIMATE.start_main_~k~5 133), 61630#(<= ULTIMATE.start_main_~k~5 134), 61631#(<= ULTIMATE.start_main_~k~5 135), 61632#(<= ULTIMATE.start_main_~k~5 136), 61633#(<= ULTIMATE.start_main_~k~5 137), 61634#(<= ULTIMATE.start_main_~k~5 138), 61635#(<= ULTIMATE.start_main_~k~5 139), 61636#(<= ULTIMATE.start_main_~k~5 140), 61637#(<= ULTIMATE.start_main_~k~5 141), 61638#(<= ULTIMATE.start_main_~k~5 142), 61639#(<= ULTIMATE.start_main_~k~5 143), 61640#(<= ULTIMATE.start_main_~k~5 144), 61641#(<= ULTIMATE.start_main_~k~5 145), 61642#(<= ULTIMATE.start_main_~k~5 146), 61643#(<= ULTIMATE.start_main_~k~5 147), 61644#(<= ULTIMATE.start_main_~k~5 148), 61645#(<= ULTIMATE.start_main_~k~5 149), 61646#(<= ULTIMATE.start_main_~k~5 150), 61647#(<= ULTIMATE.start_main_~k~5 151), 61648#(<= ULTIMATE.start_main_~k~5 152)] [2018-07-23 13:41:39,524 INFO L134 CoverageAnalysis]: Checked inductivity of 11628 backedges. 0 proven. 11628 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2018-07-23 13:41:39,524 INFO L450 AbstractCegarLoop]: Interpolant automaton has 155 states [2018-07-23 13:41:39,525 INFO L132 InterpolantAutomaton]: Constructing interpolant automaton starting with 155 interpolants. [2018-07-23 13:41:39,526 INFO L133 InterpolantAutomaton]: CoverageRelationStatistics Valid=11935, Invalid=11935, Unknown=0, NotChecked=0, Total=23870 [2018-07-23 13:41:39,526 INFO L87 Difference]: Start difference. First operand 156 states and 156 transitions. Second operand 155 states. [2018-07-23 13:41:39,867 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2018-07-23 13:41:39,868 INFO L93 Difference]: Finished difference Result 159 states and 159 transitions. [2018-07-23 13:41:39,868 INFO L142 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 155 states. [2018-07-23 13:41:39,868 INFO L78 Accepts]: Start accepts. Automaton has 155 states. Word has length 155 [2018-07-23 13:41:39,868 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2018-07-23 13:41:39,868 INFO L225 Difference]: With dead ends: 159 [2018-07-23 13:41:39,868 INFO L226 Difference]: Without dead ends: 157 [2018-07-23 13:41:39,869 INFO L575 BasicCegarLoop]: 0 DeclaredPredicates, 154 GetRequests, 1 SyntacticMatches, 0 SemanticMatches, 153 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 0 ImplicationChecksByTransitivity, 0.4s TimeCoverageRelationStatistics Valid=11935, Invalid=11935, Unknown=0, NotChecked=0, Total=23870 [2018-07-23 13:41:39,869 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 157 states. [2018-07-23 13:41:39,872 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 157 to 157. [2018-07-23 13:41:39,872 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 157 states. [2018-07-23 13:41:39,872 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 157 states to 157 states and 157 transitions. [2018-07-23 13:41:39,872 INFO L78 Accepts]: Start accepts. Automaton has 157 states and 157 transitions. Word has length 155 [2018-07-23 13:41:39,873 INFO L84 Accepts]: Finished accepts. word is rejected. [2018-07-23 13:41:39,873 INFO L471 AbstractCegarLoop]: Abstraction has 157 states and 157 transitions. [2018-07-23 13:41:39,873 INFO L472 AbstractCegarLoop]: Interpolant automaton has 155 states. [2018-07-23 13:41:39,873 INFO L276 IsEmpty]: Start isEmpty. Operand 157 states and 157 transitions. [2018-07-23 13:41:39,873 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 157 [2018-07-23 13:41:39,874 INFO L349 BasicCegarLoop]: Found error trace [2018-07-23 13:41:39,874 INFO L357 BasicCegarLoop]: trace histogram [153, 1, 1, 1] [2018-07-23 13:41:39,874 INFO L414 AbstractCegarLoop]: === Iteration 154 === [ULTIMATE.startErr0AssertViolationASSERT]=== [2018-07-23 13:41:39,874 INFO L82 PathProgramCache]: Analyzing trace with hash 2043730088, now seen corresponding path program 153 times [2018-07-23 13:41:39,874 INFO L69 tionRefinementEngine]: Using refinement strategy FixedRefinementStrategy [2018-07-23 13:41:39,928 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-07-23 13:41:40,516 INFO L134 CoverageAnalysis]: Checked inductivity of 11781 backedges. 0 proven. 11781 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2018-07-23 13:41:40,517 INFO L309 seRefinementStrategy]: Constructing automaton from 0 perfect and 1 imperfect interpolant sequences. [2018-07-23 13:41:40,517 INFO L324 seRefinementStrategy]: Number of different interpolants: perfect sequences [] imperfect sequences [155] total 155 [2018-07-23 13:41:40,517 INFO L142 lantAutomatonBuilder]: Constructing canonical interpolant automaton, with selfloop in false state [2018-07-23 13:41:40,517 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2018-07-23 13:41:40,517 INFO L185 omatonBuilderFactory]: Interpolants [62281#true, 62282#false, 62283#(<= ULTIMATE.start_main_~k~5 0), 62284#(<= ULTIMATE.start_main_~k~5 1), 62285#(<= ULTIMATE.start_main_~k~5 2), 62286#(<= ULTIMATE.start_main_~k~5 3), 62287#(<= ULTIMATE.start_main_~k~5 4), 62288#(<= ULTIMATE.start_main_~k~5 5), 62289#(<= ULTIMATE.start_main_~k~5 6), 62290#(<= ULTIMATE.start_main_~k~5 7), 62291#(<= ULTIMATE.start_main_~k~5 8), 62292#(<= ULTIMATE.start_main_~k~5 9), 62293#(<= ULTIMATE.start_main_~k~5 10), 62294#(<= ULTIMATE.start_main_~k~5 11), 62295#(<= ULTIMATE.start_main_~k~5 12), 62296#(<= ULTIMATE.start_main_~k~5 13), 62297#(<= ULTIMATE.start_main_~k~5 14), 62298#(<= ULTIMATE.start_main_~k~5 15), 62299#(<= ULTIMATE.start_main_~k~5 16), 62300#(<= ULTIMATE.start_main_~k~5 17), 62301#(<= ULTIMATE.start_main_~k~5 18), 62302#(<= ULTIMATE.start_main_~k~5 19), 62303#(<= ULTIMATE.start_main_~k~5 20), 62304#(<= ULTIMATE.start_main_~k~5 21), 62305#(<= ULTIMATE.start_main_~k~5 22), 62306#(<= ULTIMATE.start_main_~k~5 23), 62307#(<= ULTIMATE.start_main_~k~5 24), 62308#(<= ULTIMATE.start_main_~k~5 25), 62309#(<= ULTIMATE.start_main_~k~5 26), 62310#(<= ULTIMATE.start_main_~k~5 27), 62311#(<= ULTIMATE.start_main_~k~5 28), 62312#(<= ULTIMATE.start_main_~k~5 29), 62313#(<= ULTIMATE.start_main_~k~5 30), 62314#(<= ULTIMATE.start_main_~k~5 31), 62315#(<= ULTIMATE.start_main_~k~5 32), 62316#(<= ULTIMATE.start_main_~k~5 33), 62317#(<= ULTIMATE.start_main_~k~5 34), 62318#(<= ULTIMATE.start_main_~k~5 35), 62319#(<= ULTIMATE.start_main_~k~5 36), 62320#(<= ULTIMATE.start_main_~k~5 37), 62321#(<= ULTIMATE.start_main_~k~5 38), 62322#(<= ULTIMATE.start_main_~k~5 39), 62323#(<= ULTIMATE.start_main_~k~5 40), 62324#(<= ULTIMATE.start_main_~k~5 41), 62325#(<= ULTIMATE.start_main_~k~5 42), 62326#(<= ULTIMATE.start_main_~k~5 43), 62327#(<= ULTIMATE.start_main_~k~5 44), 62328#(<= ULTIMATE.start_main_~k~5 45), 62329#(<= ULTIMATE.start_main_~k~5 46), 62330#(<= ULTIMATE.start_main_~k~5 47), 62331#(<= ULTIMATE.start_main_~k~5 48), 62332#(<= ULTIMATE.start_main_~k~5 49), 62333#(<= ULTIMATE.start_main_~k~5 50), 62334#(<= ULTIMATE.start_main_~k~5 51), 62335#(<= ULTIMATE.start_main_~k~5 52), 62336#(<= ULTIMATE.start_main_~k~5 53), 62337#(<= ULTIMATE.start_main_~k~5 54), 62338#(<= ULTIMATE.start_main_~k~5 55), 62339#(<= ULTIMATE.start_main_~k~5 56), 62340#(<= ULTIMATE.start_main_~k~5 57), 62341#(<= ULTIMATE.start_main_~k~5 58), 62342#(<= ULTIMATE.start_main_~k~5 59), 62343#(<= ULTIMATE.start_main_~k~5 60), 62344#(<= ULTIMATE.start_main_~k~5 61), 62345#(<= ULTIMATE.start_main_~k~5 62), 62346#(<= ULTIMATE.start_main_~k~5 63), 62347#(<= ULTIMATE.start_main_~k~5 64), 62348#(<= ULTIMATE.start_main_~k~5 65), 62349#(<= ULTIMATE.start_main_~k~5 66), 62350#(<= ULTIMATE.start_main_~k~5 67), 62351#(<= ULTIMATE.start_main_~k~5 68), 62352#(<= ULTIMATE.start_main_~k~5 69), 62353#(<= ULTIMATE.start_main_~k~5 70), 62354#(<= ULTIMATE.start_main_~k~5 71), 62355#(<= ULTIMATE.start_main_~k~5 72), 62356#(<= ULTIMATE.start_main_~k~5 73), 62357#(<= ULTIMATE.start_main_~k~5 74), 62358#(<= ULTIMATE.start_main_~k~5 75), 62359#(<= ULTIMATE.start_main_~k~5 76), 62360#(<= ULTIMATE.start_main_~k~5 77), 62361#(<= ULTIMATE.start_main_~k~5 78), 62362#(<= ULTIMATE.start_main_~k~5 79), 62363#(<= ULTIMATE.start_main_~k~5 80), 62364#(<= ULTIMATE.start_main_~k~5 81), 62365#(<= ULTIMATE.start_main_~k~5 82), 62366#(<= ULTIMATE.start_main_~k~5 83), 62367#(<= ULTIMATE.start_main_~k~5 84), 62368#(<= ULTIMATE.start_main_~k~5 85), 62369#(<= ULTIMATE.start_main_~k~5 86), 62370#(<= ULTIMATE.start_main_~k~5 87), 62371#(<= ULTIMATE.start_main_~k~5 88), 62372#(<= ULTIMATE.start_main_~k~5 89), 62373#(<= ULTIMATE.start_main_~k~5 90), 62374#(<= ULTIMATE.start_main_~k~5 91), 62375#(<= ULTIMATE.start_main_~k~5 92), 62376#(<= ULTIMATE.start_main_~k~5 93), 62377#(<= ULTIMATE.start_main_~k~5 94), 62378#(<= ULTIMATE.start_main_~k~5 95), 62379#(<= ULTIMATE.start_main_~k~5 96), 62380#(<= ULTIMATE.start_main_~k~5 97), 62381#(<= ULTIMATE.start_main_~k~5 98), 62382#(<= ULTIMATE.start_main_~k~5 99), 62383#(<= ULTIMATE.start_main_~k~5 100), 62384#(<= ULTIMATE.start_main_~k~5 101), 62385#(<= ULTIMATE.start_main_~k~5 102), 62386#(<= ULTIMATE.start_main_~k~5 103), 62387#(<= ULTIMATE.start_main_~k~5 104), 62388#(<= ULTIMATE.start_main_~k~5 105), 62389#(<= ULTIMATE.start_main_~k~5 106), 62390#(<= ULTIMATE.start_main_~k~5 107), 62391#(<= ULTIMATE.start_main_~k~5 108), 62392#(<= ULTIMATE.start_main_~k~5 109), 62393#(<= ULTIMATE.start_main_~k~5 110), 62394#(<= ULTIMATE.start_main_~k~5 111), 62395#(<= ULTIMATE.start_main_~k~5 112), 62396#(<= ULTIMATE.start_main_~k~5 113), 62397#(<= ULTIMATE.start_main_~k~5 114), 62398#(<= ULTIMATE.start_main_~k~5 115), 62399#(<= ULTIMATE.start_main_~k~5 116), 62400#(<= ULTIMATE.start_main_~k~5 117), 62401#(<= ULTIMATE.start_main_~k~5 118), 62402#(<= ULTIMATE.start_main_~k~5 119), 62403#(<= ULTIMATE.start_main_~k~5 120), 62404#(<= ULTIMATE.start_main_~k~5 121), 62405#(<= ULTIMATE.start_main_~k~5 122), 62406#(<= ULTIMATE.start_main_~k~5 123), 62407#(<= ULTIMATE.start_main_~k~5 124), 62408#(<= ULTIMATE.start_main_~k~5 125), 62409#(<= ULTIMATE.start_main_~k~5 126), 62410#(<= ULTIMATE.start_main_~k~5 127), 62411#(<= ULTIMATE.start_main_~k~5 128), 62412#(<= ULTIMATE.start_main_~k~5 129), 62413#(<= ULTIMATE.start_main_~k~5 130), 62414#(<= ULTIMATE.start_main_~k~5 131), 62415#(<= ULTIMATE.start_main_~k~5 132), 62416#(<= ULTIMATE.start_main_~k~5 133), 62417#(<= ULTIMATE.start_main_~k~5 134), 62418#(<= ULTIMATE.start_main_~k~5 135), 62419#(<= ULTIMATE.start_main_~k~5 136), 62420#(<= ULTIMATE.start_main_~k~5 137), 62421#(<= ULTIMATE.start_main_~k~5 138), 62422#(<= ULTIMATE.start_main_~k~5 139), 62423#(<= ULTIMATE.start_main_~k~5 140), 62424#(<= ULTIMATE.start_main_~k~5 141), 62425#(<= ULTIMATE.start_main_~k~5 142), 62426#(<= ULTIMATE.start_main_~k~5 143), 62427#(<= ULTIMATE.start_main_~k~5 144), 62428#(<= ULTIMATE.start_main_~k~5 145), 62429#(<= ULTIMATE.start_main_~k~5 146), 62430#(<= ULTIMATE.start_main_~k~5 147), 62431#(<= ULTIMATE.start_main_~k~5 148), 62432#(<= ULTIMATE.start_main_~k~5 149), 62433#(<= ULTIMATE.start_main_~k~5 150), 62434#(<= ULTIMATE.start_main_~k~5 151), 62435#(<= ULTIMATE.start_main_~k~5 152), 62436#(<= ULTIMATE.start_main_~k~5 153)] [2018-07-23 13:41:40,518 INFO L134 CoverageAnalysis]: Checked inductivity of 11781 backedges. 0 proven. 11781 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2018-07-23 13:41:40,518 INFO L450 AbstractCegarLoop]: Interpolant automaton has 156 states [2018-07-23 13:41:40,519 INFO L132 InterpolantAutomaton]: Constructing interpolant automaton starting with 156 interpolants. [2018-07-23 13:41:40,520 INFO L133 InterpolantAutomaton]: CoverageRelationStatistics Valid=12090, Invalid=12090, Unknown=0, NotChecked=0, Total=24180 [2018-07-23 13:41:40,520 INFO L87 Difference]: Start difference. First operand 157 states and 157 transitions. Second operand 156 states. [2018-07-23 13:41:40,863 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2018-07-23 13:41:40,864 INFO L93 Difference]: Finished difference Result 160 states and 160 transitions. [2018-07-23 13:41:40,864 INFO L142 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 156 states. [2018-07-23 13:41:40,864 INFO L78 Accepts]: Start accepts. Automaton has 156 states. Word has length 156 [2018-07-23 13:41:40,864 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2018-07-23 13:41:40,864 INFO L225 Difference]: With dead ends: 160 [2018-07-23 13:41:40,864 INFO L226 Difference]: Without dead ends: 158 [2018-07-23 13:41:40,865 INFO L575 BasicCegarLoop]: 0 DeclaredPredicates, 155 GetRequests, 1 SyntacticMatches, 0 SemanticMatches, 154 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 0 ImplicationChecksByTransitivity, 0.4s TimeCoverageRelationStatistics Valid=12090, Invalid=12090, Unknown=0, NotChecked=0, Total=24180 [2018-07-23 13:41:40,865 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 158 states. [2018-07-23 13:41:40,867 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 158 to 158. [2018-07-23 13:41:40,867 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 158 states. [2018-07-23 13:41:40,868 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 158 states to 158 states and 158 transitions. [2018-07-23 13:41:40,868 INFO L78 Accepts]: Start accepts. Automaton has 158 states and 158 transitions. Word has length 156 [2018-07-23 13:41:40,868 INFO L84 Accepts]: Finished accepts. word is rejected. [2018-07-23 13:41:40,868 INFO L471 AbstractCegarLoop]: Abstraction has 158 states and 158 transitions. [2018-07-23 13:41:40,868 INFO L472 AbstractCegarLoop]: Interpolant automaton has 156 states. [2018-07-23 13:41:40,868 INFO L276 IsEmpty]: Start isEmpty. Operand 158 states and 158 transitions. [2018-07-23 13:41:40,869 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 158 [2018-07-23 13:41:40,869 INFO L349 BasicCegarLoop]: Found error trace [2018-07-23 13:41:40,869 INFO L357 BasicCegarLoop]: trace histogram [154, 1, 1, 1] [2018-07-23 13:41:40,869 INFO L414 AbstractCegarLoop]: === Iteration 155 === [ULTIMATE.startErr0AssertViolationASSERT]=== [2018-07-23 13:41:40,869 INFO L82 PathProgramCache]: Analyzing trace with hash -1068878687, now seen corresponding path program 154 times [2018-07-23 13:41:40,870 INFO L69 tionRefinementEngine]: Using refinement strategy FixedRefinementStrategy [2018-07-23 13:41:40,933 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-07-23 13:41:41,452 INFO L134 CoverageAnalysis]: Checked inductivity of 11935 backedges. 0 proven. 11935 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2018-07-23 13:41:41,452 INFO L309 seRefinementStrategy]: Constructing automaton from 0 perfect and 1 imperfect interpolant sequences. [2018-07-23 13:41:41,452 INFO L324 seRefinementStrategy]: Number of different interpolants: perfect sequences [] imperfect sequences [156] total 156 [2018-07-23 13:41:41,452 INFO L142 lantAutomatonBuilder]: Constructing canonical interpolant automaton, with selfloop in false state [2018-07-23 13:41:41,452 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2018-07-23 13:41:41,453 INFO L185 omatonBuilderFactory]: Interpolants [63073#true, 63074#false, 63075#(<= ULTIMATE.start_main_~k~5 0), 63076#(<= ULTIMATE.start_main_~k~5 1), 63077#(<= ULTIMATE.start_main_~k~5 2), 63078#(<= ULTIMATE.start_main_~k~5 3), 63079#(<= ULTIMATE.start_main_~k~5 4), 63080#(<= ULTIMATE.start_main_~k~5 5), 63081#(<= ULTIMATE.start_main_~k~5 6), 63082#(<= ULTIMATE.start_main_~k~5 7), 63083#(<= ULTIMATE.start_main_~k~5 8), 63084#(<= ULTIMATE.start_main_~k~5 9), 63085#(<= ULTIMATE.start_main_~k~5 10), 63086#(<= ULTIMATE.start_main_~k~5 11), 63087#(<= ULTIMATE.start_main_~k~5 12), 63088#(<= ULTIMATE.start_main_~k~5 13), 63089#(<= ULTIMATE.start_main_~k~5 14), 63090#(<= ULTIMATE.start_main_~k~5 15), 63091#(<= ULTIMATE.start_main_~k~5 16), 63092#(<= ULTIMATE.start_main_~k~5 17), 63093#(<= ULTIMATE.start_main_~k~5 18), 63094#(<= ULTIMATE.start_main_~k~5 19), 63095#(<= ULTIMATE.start_main_~k~5 20), 63096#(<= ULTIMATE.start_main_~k~5 21), 63097#(<= ULTIMATE.start_main_~k~5 22), 63098#(<= ULTIMATE.start_main_~k~5 23), 63099#(<= ULTIMATE.start_main_~k~5 24), 63100#(<= ULTIMATE.start_main_~k~5 25), 63101#(<= ULTIMATE.start_main_~k~5 26), 63102#(<= ULTIMATE.start_main_~k~5 27), 63103#(<= ULTIMATE.start_main_~k~5 28), 63104#(<= ULTIMATE.start_main_~k~5 29), 63105#(<= ULTIMATE.start_main_~k~5 30), 63106#(<= ULTIMATE.start_main_~k~5 31), 63107#(<= ULTIMATE.start_main_~k~5 32), 63108#(<= ULTIMATE.start_main_~k~5 33), 63109#(<= ULTIMATE.start_main_~k~5 34), 63110#(<= ULTIMATE.start_main_~k~5 35), 63111#(<= ULTIMATE.start_main_~k~5 36), 63112#(<= ULTIMATE.start_main_~k~5 37), 63113#(<= ULTIMATE.start_main_~k~5 38), 63114#(<= ULTIMATE.start_main_~k~5 39), 63115#(<= ULTIMATE.start_main_~k~5 40), 63116#(<= ULTIMATE.start_main_~k~5 41), 63117#(<= ULTIMATE.start_main_~k~5 42), 63118#(<= ULTIMATE.start_main_~k~5 43), 63119#(<= ULTIMATE.start_main_~k~5 44), 63120#(<= ULTIMATE.start_main_~k~5 45), 63121#(<= ULTIMATE.start_main_~k~5 46), 63122#(<= ULTIMATE.start_main_~k~5 47), 63123#(<= ULTIMATE.start_main_~k~5 48), 63124#(<= ULTIMATE.start_main_~k~5 49), 63125#(<= ULTIMATE.start_main_~k~5 50), 63126#(<= ULTIMATE.start_main_~k~5 51), 63127#(<= ULTIMATE.start_main_~k~5 52), 63128#(<= ULTIMATE.start_main_~k~5 53), 63129#(<= ULTIMATE.start_main_~k~5 54), 63130#(<= ULTIMATE.start_main_~k~5 55), 63131#(<= ULTIMATE.start_main_~k~5 56), 63132#(<= ULTIMATE.start_main_~k~5 57), 63133#(<= ULTIMATE.start_main_~k~5 58), 63134#(<= ULTIMATE.start_main_~k~5 59), 63135#(<= ULTIMATE.start_main_~k~5 60), 63136#(<= ULTIMATE.start_main_~k~5 61), 63137#(<= ULTIMATE.start_main_~k~5 62), 63138#(<= ULTIMATE.start_main_~k~5 63), 63139#(<= ULTIMATE.start_main_~k~5 64), 63140#(<= ULTIMATE.start_main_~k~5 65), 63141#(<= ULTIMATE.start_main_~k~5 66), 63142#(<= ULTIMATE.start_main_~k~5 67), 63143#(<= ULTIMATE.start_main_~k~5 68), 63144#(<= ULTIMATE.start_main_~k~5 69), 63145#(<= ULTIMATE.start_main_~k~5 70), 63146#(<= ULTIMATE.start_main_~k~5 71), 63147#(<= ULTIMATE.start_main_~k~5 72), 63148#(<= ULTIMATE.start_main_~k~5 73), 63149#(<= ULTIMATE.start_main_~k~5 74), 63150#(<= ULTIMATE.start_main_~k~5 75), 63151#(<= ULTIMATE.start_main_~k~5 76), 63152#(<= ULTIMATE.start_main_~k~5 77), 63153#(<= ULTIMATE.start_main_~k~5 78), 63154#(<= ULTIMATE.start_main_~k~5 79), 63155#(<= ULTIMATE.start_main_~k~5 80), 63156#(<= ULTIMATE.start_main_~k~5 81), 63157#(<= ULTIMATE.start_main_~k~5 82), 63158#(<= ULTIMATE.start_main_~k~5 83), 63159#(<= ULTIMATE.start_main_~k~5 84), 63160#(<= ULTIMATE.start_main_~k~5 85), 63161#(<= ULTIMATE.start_main_~k~5 86), 63162#(<= ULTIMATE.start_main_~k~5 87), 63163#(<= ULTIMATE.start_main_~k~5 88), 63164#(<= ULTIMATE.start_main_~k~5 89), 63165#(<= ULTIMATE.start_main_~k~5 90), 63166#(<= ULTIMATE.start_main_~k~5 91), 63167#(<= ULTIMATE.start_main_~k~5 92), 63168#(<= ULTIMATE.start_main_~k~5 93), 63169#(<= ULTIMATE.start_main_~k~5 94), 63170#(<= ULTIMATE.start_main_~k~5 95), 63171#(<= ULTIMATE.start_main_~k~5 96), 63172#(<= ULTIMATE.start_main_~k~5 97), 63173#(<= ULTIMATE.start_main_~k~5 98), 63174#(<= ULTIMATE.start_main_~k~5 99), 63175#(<= ULTIMATE.start_main_~k~5 100), 63176#(<= ULTIMATE.start_main_~k~5 101), 63177#(<= ULTIMATE.start_main_~k~5 102), 63178#(<= ULTIMATE.start_main_~k~5 103), 63179#(<= ULTIMATE.start_main_~k~5 104), 63180#(<= ULTIMATE.start_main_~k~5 105), 63181#(<= ULTIMATE.start_main_~k~5 106), 63182#(<= ULTIMATE.start_main_~k~5 107), 63183#(<= ULTIMATE.start_main_~k~5 108), 63184#(<= ULTIMATE.start_main_~k~5 109), 63185#(<= ULTIMATE.start_main_~k~5 110), 63186#(<= ULTIMATE.start_main_~k~5 111), 63187#(<= ULTIMATE.start_main_~k~5 112), 63188#(<= ULTIMATE.start_main_~k~5 113), 63189#(<= ULTIMATE.start_main_~k~5 114), 63190#(<= ULTIMATE.start_main_~k~5 115), 63191#(<= ULTIMATE.start_main_~k~5 116), 63192#(<= ULTIMATE.start_main_~k~5 117), 63193#(<= ULTIMATE.start_main_~k~5 118), 63194#(<= ULTIMATE.start_main_~k~5 119), 63195#(<= ULTIMATE.start_main_~k~5 120), 63196#(<= ULTIMATE.start_main_~k~5 121), 63197#(<= ULTIMATE.start_main_~k~5 122), 63198#(<= ULTIMATE.start_main_~k~5 123), 63199#(<= ULTIMATE.start_main_~k~5 124), 63200#(<= ULTIMATE.start_main_~k~5 125), 63201#(<= ULTIMATE.start_main_~k~5 126), 63202#(<= ULTIMATE.start_main_~k~5 127), 63203#(<= ULTIMATE.start_main_~k~5 128), 63204#(<= ULTIMATE.start_main_~k~5 129), 63205#(<= ULTIMATE.start_main_~k~5 130), 63206#(<= ULTIMATE.start_main_~k~5 131), 63207#(<= ULTIMATE.start_main_~k~5 132), 63208#(<= ULTIMATE.start_main_~k~5 133), 63209#(<= ULTIMATE.start_main_~k~5 134), 63210#(<= ULTIMATE.start_main_~k~5 135), 63211#(<= ULTIMATE.start_main_~k~5 136), 63212#(<= ULTIMATE.start_main_~k~5 137), 63213#(<= ULTIMATE.start_main_~k~5 138), 63214#(<= ULTIMATE.start_main_~k~5 139), 63215#(<= ULTIMATE.start_main_~k~5 140), 63216#(<= ULTIMATE.start_main_~k~5 141), 63217#(<= ULTIMATE.start_main_~k~5 142), 63218#(<= ULTIMATE.start_main_~k~5 143), 63219#(<= ULTIMATE.start_main_~k~5 144), 63220#(<= ULTIMATE.start_main_~k~5 145), 63221#(<= ULTIMATE.start_main_~k~5 146), 63222#(<= ULTIMATE.start_main_~k~5 147), 63223#(<= ULTIMATE.start_main_~k~5 148), 63224#(<= ULTIMATE.start_main_~k~5 149), 63225#(<= ULTIMATE.start_main_~k~5 150), 63226#(<= ULTIMATE.start_main_~k~5 151), 63227#(<= ULTIMATE.start_main_~k~5 152), 63228#(<= ULTIMATE.start_main_~k~5 153), 63229#(<= ULTIMATE.start_main_~k~5 154)] [2018-07-23 13:41:41,453 INFO L134 CoverageAnalysis]: Checked inductivity of 11935 backedges. 0 proven. 11935 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2018-07-23 13:41:41,453 INFO L450 AbstractCegarLoop]: Interpolant automaton has 157 states [2018-07-23 13:41:41,455 INFO L132 InterpolantAutomaton]: Constructing interpolant automaton starting with 157 interpolants. [2018-07-23 13:41:41,455 INFO L133 InterpolantAutomaton]: CoverageRelationStatistics Valid=12246, Invalid=12246, Unknown=0, NotChecked=0, Total=24492 [2018-07-23 13:41:41,456 INFO L87 Difference]: Start difference. First operand 158 states and 158 transitions. Second operand 157 states. [2018-07-23 13:41:41,828 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2018-07-23 13:41:41,828 INFO L93 Difference]: Finished difference Result 161 states and 161 transitions. [2018-07-23 13:41:41,828 INFO L142 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 157 states. [2018-07-23 13:41:41,828 INFO L78 Accepts]: Start accepts. Automaton has 157 states. Word has length 157 [2018-07-23 13:41:41,829 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2018-07-23 13:41:41,829 INFO L225 Difference]: With dead ends: 161 [2018-07-23 13:41:41,829 INFO L226 Difference]: Without dead ends: 159 [2018-07-23 13:41:41,830 INFO L575 BasicCegarLoop]: 0 DeclaredPredicates, 156 GetRequests, 1 SyntacticMatches, 0 SemanticMatches, 155 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 0 ImplicationChecksByTransitivity, 0.4s TimeCoverageRelationStatistics Valid=12246, Invalid=12246, Unknown=0, NotChecked=0, Total=24492 [2018-07-23 13:41:41,830 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 159 states. [2018-07-23 13:41:41,832 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 159 to 159. [2018-07-23 13:41:41,832 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 159 states. [2018-07-23 13:41:41,832 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 159 states to 159 states and 159 transitions. [2018-07-23 13:41:41,832 INFO L78 Accepts]: Start accepts. Automaton has 159 states and 159 transitions. Word has length 157 [2018-07-23 13:41:41,832 INFO L84 Accepts]: Finished accepts. word is rejected. [2018-07-23 13:41:41,832 INFO L471 AbstractCegarLoop]: Abstraction has 159 states and 159 transitions. [2018-07-23 13:41:41,832 INFO L472 AbstractCegarLoop]: Interpolant automaton has 157 states. [2018-07-23 13:41:41,832 INFO L276 IsEmpty]: Start isEmpty. Operand 159 states and 159 transitions. [2018-07-23 13:41:41,833 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 159 [2018-07-23 13:41:41,833 INFO L349 BasicCegarLoop]: Found error trace [2018-07-23 13:41:41,833 INFO L357 BasicCegarLoop]: trace histogram [155, 1, 1, 1] [2018-07-23 13:41:41,833 INFO L414 AbstractCegarLoop]: === Iteration 156 === [ULTIMATE.startErr0AssertViolationASSERT]=== [2018-07-23 13:41:41,833 INFO L82 PathProgramCache]: Analyzing trace with hash 1224497096, now seen corresponding path program 155 times [2018-07-23 13:41:41,833 INFO L69 tionRefinementEngine]: Using refinement strategy FixedRefinementStrategy [2018-07-23 13:41:41,879 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-07-23 13:41:42,679 INFO L134 CoverageAnalysis]: Checked inductivity of 12090 backedges. 0 proven. 12090 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2018-07-23 13:41:42,680 INFO L309 seRefinementStrategy]: Constructing automaton from 0 perfect and 1 imperfect interpolant sequences. [2018-07-23 13:41:42,680 INFO L324 seRefinementStrategy]: Number of different interpolants: perfect sequences [] imperfect sequences [157] total 157 [2018-07-23 13:41:42,680 INFO L142 lantAutomatonBuilder]: Constructing canonical interpolant automaton, with selfloop in false state [2018-07-23 13:41:42,680 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2018-07-23 13:41:42,681 INFO L185 omatonBuilderFactory]: Interpolants [64000#(<= ULTIMATE.start_main_~k~5 128), 64001#(<= ULTIMATE.start_main_~k~5 129), 64002#(<= ULTIMATE.start_main_~k~5 130), 64003#(<= ULTIMATE.start_main_~k~5 131), 64004#(<= ULTIMATE.start_main_~k~5 132), 64005#(<= ULTIMATE.start_main_~k~5 133), 64006#(<= ULTIMATE.start_main_~k~5 134), 64007#(<= ULTIMATE.start_main_~k~5 135), 64008#(<= ULTIMATE.start_main_~k~5 136), 64009#(<= ULTIMATE.start_main_~k~5 137), 64010#(<= ULTIMATE.start_main_~k~5 138), 64011#(<= ULTIMATE.start_main_~k~5 139), 64012#(<= ULTIMATE.start_main_~k~5 140), 64013#(<= ULTIMATE.start_main_~k~5 141), 64014#(<= ULTIMATE.start_main_~k~5 142), 64015#(<= ULTIMATE.start_main_~k~5 143), 64016#(<= ULTIMATE.start_main_~k~5 144), 64017#(<= ULTIMATE.start_main_~k~5 145), 64018#(<= ULTIMATE.start_main_~k~5 146), 64019#(<= ULTIMATE.start_main_~k~5 147), 64020#(<= ULTIMATE.start_main_~k~5 148), 64021#(<= ULTIMATE.start_main_~k~5 149), 64022#(<= ULTIMATE.start_main_~k~5 150), 64023#(<= ULTIMATE.start_main_~k~5 151), 64024#(<= ULTIMATE.start_main_~k~5 152), 64025#(<= ULTIMATE.start_main_~k~5 153), 64026#(<= ULTIMATE.start_main_~k~5 154), 64027#(<= ULTIMATE.start_main_~k~5 155), 63870#true, 63871#false, 63872#(<= ULTIMATE.start_main_~k~5 0), 63873#(<= ULTIMATE.start_main_~k~5 1), 63874#(<= ULTIMATE.start_main_~k~5 2), 63875#(<= ULTIMATE.start_main_~k~5 3), 63876#(<= ULTIMATE.start_main_~k~5 4), 63877#(<= ULTIMATE.start_main_~k~5 5), 63878#(<= ULTIMATE.start_main_~k~5 6), 63879#(<= ULTIMATE.start_main_~k~5 7), 63880#(<= ULTIMATE.start_main_~k~5 8), 63881#(<= ULTIMATE.start_main_~k~5 9), 63882#(<= ULTIMATE.start_main_~k~5 10), 63883#(<= ULTIMATE.start_main_~k~5 11), 63884#(<= ULTIMATE.start_main_~k~5 12), 63885#(<= ULTIMATE.start_main_~k~5 13), 63886#(<= ULTIMATE.start_main_~k~5 14), 63887#(<= ULTIMATE.start_main_~k~5 15), 63888#(<= ULTIMATE.start_main_~k~5 16), 63889#(<= ULTIMATE.start_main_~k~5 17), 63890#(<= ULTIMATE.start_main_~k~5 18), 63891#(<= ULTIMATE.start_main_~k~5 19), 63892#(<= ULTIMATE.start_main_~k~5 20), 63893#(<= ULTIMATE.start_main_~k~5 21), 63894#(<= ULTIMATE.start_main_~k~5 22), 63895#(<= ULTIMATE.start_main_~k~5 23), 63896#(<= ULTIMATE.start_main_~k~5 24), 63897#(<= ULTIMATE.start_main_~k~5 25), 63898#(<= ULTIMATE.start_main_~k~5 26), 63899#(<= ULTIMATE.start_main_~k~5 27), 63900#(<= ULTIMATE.start_main_~k~5 28), 63901#(<= ULTIMATE.start_main_~k~5 29), 63902#(<= ULTIMATE.start_main_~k~5 30), 63903#(<= ULTIMATE.start_main_~k~5 31), 63904#(<= ULTIMATE.start_main_~k~5 32), 63905#(<= ULTIMATE.start_main_~k~5 33), 63906#(<= ULTIMATE.start_main_~k~5 34), 63907#(<= ULTIMATE.start_main_~k~5 35), 63908#(<= ULTIMATE.start_main_~k~5 36), 63909#(<= ULTIMATE.start_main_~k~5 37), 63910#(<= ULTIMATE.start_main_~k~5 38), 63911#(<= ULTIMATE.start_main_~k~5 39), 63912#(<= ULTIMATE.start_main_~k~5 40), 63913#(<= ULTIMATE.start_main_~k~5 41), 63914#(<= ULTIMATE.start_main_~k~5 42), 63915#(<= ULTIMATE.start_main_~k~5 43), 63916#(<= ULTIMATE.start_main_~k~5 44), 63917#(<= ULTIMATE.start_main_~k~5 45), 63918#(<= ULTIMATE.start_main_~k~5 46), 63919#(<= ULTIMATE.start_main_~k~5 47), 63920#(<= ULTIMATE.start_main_~k~5 48), 63921#(<= ULTIMATE.start_main_~k~5 49), 63922#(<= ULTIMATE.start_main_~k~5 50), 63923#(<= ULTIMATE.start_main_~k~5 51), 63924#(<= ULTIMATE.start_main_~k~5 52), 63925#(<= ULTIMATE.start_main_~k~5 53), 63926#(<= ULTIMATE.start_main_~k~5 54), 63927#(<= ULTIMATE.start_main_~k~5 55), 63928#(<= ULTIMATE.start_main_~k~5 56), 63929#(<= ULTIMATE.start_main_~k~5 57), 63930#(<= ULTIMATE.start_main_~k~5 58), 63931#(<= ULTIMATE.start_main_~k~5 59), 63932#(<= ULTIMATE.start_main_~k~5 60), 63933#(<= ULTIMATE.start_main_~k~5 61), 63934#(<= ULTIMATE.start_main_~k~5 62), 63935#(<= ULTIMATE.start_main_~k~5 63), 63936#(<= ULTIMATE.start_main_~k~5 64), 63937#(<= ULTIMATE.start_main_~k~5 65), 63938#(<= ULTIMATE.start_main_~k~5 66), 63939#(<= ULTIMATE.start_main_~k~5 67), 63940#(<= ULTIMATE.start_main_~k~5 68), 63941#(<= ULTIMATE.start_main_~k~5 69), 63942#(<= ULTIMATE.start_main_~k~5 70), 63943#(<= ULTIMATE.start_main_~k~5 71), 63944#(<= ULTIMATE.start_main_~k~5 72), 63945#(<= ULTIMATE.start_main_~k~5 73), 63946#(<= ULTIMATE.start_main_~k~5 74), 63947#(<= ULTIMATE.start_main_~k~5 75), 63948#(<= ULTIMATE.start_main_~k~5 76), 63949#(<= ULTIMATE.start_main_~k~5 77), 63950#(<= ULTIMATE.start_main_~k~5 78), 63951#(<= ULTIMATE.start_main_~k~5 79), 63952#(<= ULTIMATE.start_main_~k~5 80), 63953#(<= ULTIMATE.start_main_~k~5 81), 63954#(<= ULTIMATE.start_main_~k~5 82), 63955#(<= ULTIMATE.start_main_~k~5 83), 63956#(<= ULTIMATE.start_main_~k~5 84), 63957#(<= ULTIMATE.start_main_~k~5 85), 63958#(<= ULTIMATE.start_main_~k~5 86), 63959#(<= ULTIMATE.start_main_~k~5 87), 63960#(<= ULTIMATE.start_main_~k~5 88), 63961#(<= ULTIMATE.start_main_~k~5 89), 63962#(<= ULTIMATE.start_main_~k~5 90), 63963#(<= ULTIMATE.start_main_~k~5 91), 63964#(<= ULTIMATE.start_main_~k~5 92), 63965#(<= ULTIMATE.start_main_~k~5 93), 63966#(<= ULTIMATE.start_main_~k~5 94), 63967#(<= ULTIMATE.start_main_~k~5 95), 63968#(<= ULTIMATE.start_main_~k~5 96), 63969#(<= ULTIMATE.start_main_~k~5 97), 63970#(<= ULTIMATE.start_main_~k~5 98), 63971#(<= ULTIMATE.start_main_~k~5 99), 63972#(<= ULTIMATE.start_main_~k~5 100), 63973#(<= ULTIMATE.start_main_~k~5 101), 63974#(<= ULTIMATE.start_main_~k~5 102), 63975#(<= ULTIMATE.start_main_~k~5 103), 63976#(<= ULTIMATE.start_main_~k~5 104), 63977#(<= ULTIMATE.start_main_~k~5 105), 63978#(<= ULTIMATE.start_main_~k~5 106), 63979#(<= ULTIMATE.start_main_~k~5 107), 63980#(<= ULTIMATE.start_main_~k~5 108), 63981#(<= ULTIMATE.start_main_~k~5 109), 63982#(<= ULTIMATE.start_main_~k~5 110), 63983#(<= ULTIMATE.start_main_~k~5 111), 63984#(<= ULTIMATE.start_main_~k~5 112), 63985#(<= ULTIMATE.start_main_~k~5 113), 63986#(<= ULTIMATE.start_main_~k~5 114), 63987#(<= ULTIMATE.start_main_~k~5 115), 63988#(<= ULTIMATE.start_main_~k~5 116), 63989#(<= ULTIMATE.start_main_~k~5 117), 63990#(<= ULTIMATE.start_main_~k~5 118), 63991#(<= ULTIMATE.start_main_~k~5 119), 63992#(<= ULTIMATE.start_main_~k~5 120), 63993#(<= ULTIMATE.start_main_~k~5 121), 63994#(<= ULTIMATE.start_main_~k~5 122), 63995#(<= ULTIMATE.start_main_~k~5 123), 63996#(<= ULTIMATE.start_main_~k~5 124), 63997#(<= ULTIMATE.start_main_~k~5 125), 63998#(<= ULTIMATE.start_main_~k~5 126), 63999#(<= ULTIMATE.start_main_~k~5 127)] [2018-07-23 13:41:42,682 INFO L134 CoverageAnalysis]: Checked inductivity of 12090 backedges. 0 proven. 12090 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2018-07-23 13:41:42,682 INFO L450 AbstractCegarLoop]: Interpolant automaton has 158 states [2018-07-23 13:41:42,685 INFO L132 InterpolantAutomaton]: Constructing interpolant automaton starting with 158 interpolants. [2018-07-23 13:41:42,686 INFO L133 InterpolantAutomaton]: CoverageRelationStatistics Valid=12403, Invalid=12403, Unknown=0, NotChecked=0, Total=24806 [2018-07-23 13:41:42,686 INFO L87 Difference]: Start difference. First operand 159 states and 159 transitions. Second operand 158 states. [2018-07-23 13:41:42,929 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2018-07-23 13:41:42,929 INFO L93 Difference]: Finished difference Result 162 states and 162 transitions. [2018-07-23 13:41:42,929 INFO L142 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 158 states. [2018-07-23 13:41:42,929 INFO L78 Accepts]: Start accepts. Automaton has 158 states. Word has length 158 [2018-07-23 13:41:42,929 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2018-07-23 13:41:42,930 INFO L225 Difference]: With dead ends: 162 [2018-07-23 13:41:42,930 INFO L226 Difference]: Without dead ends: 160 [2018-07-23 13:41:42,931 INFO L575 BasicCegarLoop]: 0 DeclaredPredicates, 157 GetRequests, 1 SyntacticMatches, 0 SemanticMatches, 156 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 0 ImplicationChecksByTransitivity, 0.7s TimeCoverageRelationStatistics Valid=12403, Invalid=12403, Unknown=0, NotChecked=0, Total=24806 [2018-07-23 13:41:42,931 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 160 states. [2018-07-23 13:41:42,933 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 160 to 160. [2018-07-23 13:41:42,933 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 160 states. [2018-07-23 13:41:42,933 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 160 states to 160 states and 160 transitions. [2018-07-23 13:41:42,933 INFO L78 Accepts]: Start accepts. Automaton has 160 states and 160 transitions. Word has length 158 [2018-07-23 13:41:42,933 INFO L84 Accepts]: Finished accepts. word is rejected. [2018-07-23 13:41:42,933 INFO L471 AbstractCegarLoop]: Abstraction has 160 states and 160 transitions. [2018-07-23 13:41:42,933 INFO L472 AbstractCegarLoop]: Interpolant automaton has 158 states. [2018-07-23 13:41:42,933 INFO L276 IsEmpty]: Start isEmpty. Operand 160 states and 160 transitions. [2018-07-23 13:41:42,934 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 160 [2018-07-23 13:41:42,934 INFO L349 BasicCegarLoop]: Found error trace [2018-07-23 13:41:42,934 INFO L357 BasicCegarLoop]: trace histogram [156, 1, 1, 1] [2018-07-23 13:41:42,934 INFO L414 AbstractCegarLoop]: === Iteration 157 === [ULTIMATE.startErr0AssertViolationASSERT]=== [2018-07-23 13:41:42,934 INFO L82 PathProgramCache]: Analyzing trace with hash -695297663, now seen corresponding path program 156 times [2018-07-23 13:41:42,934 INFO L69 tionRefinementEngine]: Using refinement strategy FixedRefinementStrategy [2018-07-23 13:41:42,984 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-07-23 13:41:43,556 INFO L134 CoverageAnalysis]: Checked inductivity of 12246 backedges. 0 proven. 12246 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2018-07-23 13:41:43,556 INFO L309 seRefinementStrategy]: Constructing automaton from 0 perfect and 1 imperfect interpolant sequences. [2018-07-23 13:41:43,556 INFO L324 seRefinementStrategy]: Number of different interpolants: perfect sequences [] imperfect sequences [158] total 158 [2018-07-23 13:41:43,557 INFO L142 lantAutomatonBuilder]: Constructing canonical interpolant automaton, with selfloop in false state [2018-07-23 13:41:43,557 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2018-07-23 13:41:43,557 INFO L185 omatonBuilderFactory]: Interpolants [64768#(<= ULTIMATE.start_main_~k~5 94), 64769#(<= ULTIMATE.start_main_~k~5 95), 64770#(<= ULTIMATE.start_main_~k~5 96), 64771#(<= ULTIMATE.start_main_~k~5 97), 64772#(<= ULTIMATE.start_main_~k~5 98), 64773#(<= ULTIMATE.start_main_~k~5 99), 64774#(<= ULTIMATE.start_main_~k~5 100), 64775#(<= ULTIMATE.start_main_~k~5 101), 64776#(<= ULTIMATE.start_main_~k~5 102), 64777#(<= ULTIMATE.start_main_~k~5 103), 64778#(<= ULTIMATE.start_main_~k~5 104), 64779#(<= ULTIMATE.start_main_~k~5 105), 64780#(<= ULTIMATE.start_main_~k~5 106), 64781#(<= ULTIMATE.start_main_~k~5 107), 64782#(<= ULTIMATE.start_main_~k~5 108), 64783#(<= ULTIMATE.start_main_~k~5 109), 64784#(<= ULTIMATE.start_main_~k~5 110), 64785#(<= ULTIMATE.start_main_~k~5 111), 64786#(<= ULTIMATE.start_main_~k~5 112), 64787#(<= ULTIMATE.start_main_~k~5 113), 64788#(<= ULTIMATE.start_main_~k~5 114), 64789#(<= ULTIMATE.start_main_~k~5 115), 64790#(<= ULTIMATE.start_main_~k~5 116), 64791#(<= ULTIMATE.start_main_~k~5 117), 64792#(<= ULTIMATE.start_main_~k~5 118), 64793#(<= ULTIMATE.start_main_~k~5 119), 64794#(<= ULTIMATE.start_main_~k~5 120), 64795#(<= ULTIMATE.start_main_~k~5 121), 64796#(<= ULTIMATE.start_main_~k~5 122), 64797#(<= ULTIMATE.start_main_~k~5 123), 64798#(<= ULTIMATE.start_main_~k~5 124), 64799#(<= ULTIMATE.start_main_~k~5 125), 64800#(<= ULTIMATE.start_main_~k~5 126), 64801#(<= ULTIMATE.start_main_~k~5 127), 64802#(<= ULTIMATE.start_main_~k~5 128), 64803#(<= ULTIMATE.start_main_~k~5 129), 64804#(<= ULTIMATE.start_main_~k~5 130), 64805#(<= ULTIMATE.start_main_~k~5 131), 64806#(<= ULTIMATE.start_main_~k~5 132), 64807#(<= ULTIMATE.start_main_~k~5 133), 64808#(<= ULTIMATE.start_main_~k~5 134), 64809#(<= ULTIMATE.start_main_~k~5 135), 64810#(<= ULTIMATE.start_main_~k~5 136), 64811#(<= ULTIMATE.start_main_~k~5 137), 64812#(<= ULTIMATE.start_main_~k~5 138), 64813#(<= ULTIMATE.start_main_~k~5 139), 64814#(<= ULTIMATE.start_main_~k~5 140), 64815#(<= ULTIMATE.start_main_~k~5 141), 64816#(<= ULTIMATE.start_main_~k~5 142), 64817#(<= ULTIMATE.start_main_~k~5 143), 64818#(<= ULTIMATE.start_main_~k~5 144), 64819#(<= ULTIMATE.start_main_~k~5 145), 64820#(<= ULTIMATE.start_main_~k~5 146), 64821#(<= ULTIMATE.start_main_~k~5 147), 64822#(<= ULTIMATE.start_main_~k~5 148), 64823#(<= ULTIMATE.start_main_~k~5 149), 64824#(<= ULTIMATE.start_main_~k~5 150), 64825#(<= ULTIMATE.start_main_~k~5 151), 64826#(<= ULTIMATE.start_main_~k~5 152), 64827#(<= ULTIMATE.start_main_~k~5 153), 64828#(<= ULTIMATE.start_main_~k~5 154), 64829#(<= ULTIMATE.start_main_~k~5 155), 64830#(<= ULTIMATE.start_main_~k~5 156), 64672#true, 64673#false, 64674#(<= ULTIMATE.start_main_~k~5 0), 64675#(<= ULTIMATE.start_main_~k~5 1), 64676#(<= ULTIMATE.start_main_~k~5 2), 64677#(<= ULTIMATE.start_main_~k~5 3), 64678#(<= ULTIMATE.start_main_~k~5 4), 64679#(<= ULTIMATE.start_main_~k~5 5), 64680#(<= ULTIMATE.start_main_~k~5 6), 64681#(<= ULTIMATE.start_main_~k~5 7), 64682#(<= ULTIMATE.start_main_~k~5 8), 64683#(<= ULTIMATE.start_main_~k~5 9), 64684#(<= ULTIMATE.start_main_~k~5 10), 64685#(<= ULTIMATE.start_main_~k~5 11), 64686#(<= ULTIMATE.start_main_~k~5 12), 64687#(<= ULTIMATE.start_main_~k~5 13), 64688#(<= ULTIMATE.start_main_~k~5 14), 64689#(<= ULTIMATE.start_main_~k~5 15), 64690#(<= ULTIMATE.start_main_~k~5 16), 64691#(<= ULTIMATE.start_main_~k~5 17), 64692#(<= ULTIMATE.start_main_~k~5 18), 64693#(<= ULTIMATE.start_main_~k~5 19), 64694#(<= ULTIMATE.start_main_~k~5 20), 64695#(<= ULTIMATE.start_main_~k~5 21), 64696#(<= ULTIMATE.start_main_~k~5 22), 64697#(<= ULTIMATE.start_main_~k~5 23), 64698#(<= ULTIMATE.start_main_~k~5 24), 64699#(<= ULTIMATE.start_main_~k~5 25), 64700#(<= ULTIMATE.start_main_~k~5 26), 64701#(<= ULTIMATE.start_main_~k~5 27), 64702#(<= ULTIMATE.start_main_~k~5 28), 64703#(<= ULTIMATE.start_main_~k~5 29), 64704#(<= ULTIMATE.start_main_~k~5 30), 64705#(<= ULTIMATE.start_main_~k~5 31), 64706#(<= ULTIMATE.start_main_~k~5 32), 64707#(<= ULTIMATE.start_main_~k~5 33), 64708#(<= ULTIMATE.start_main_~k~5 34), 64709#(<= ULTIMATE.start_main_~k~5 35), 64710#(<= ULTIMATE.start_main_~k~5 36), 64711#(<= ULTIMATE.start_main_~k~5 37), 64712#(<= ULTIMATE.start_main_~k~5 38), 64713#(<= ULTIMATE.start_main_~k~5 39), 64714#(<= ULTIMATE.start_main_~k~5 40), 64715#(<= ULTIMATE.start_main_~k~5 41), 64716#(<= ULTIMATE.start_main_~k~5 42), 64717#(<= ULTIMATE.start_main_~k~5 43), 64718#(<= ULTIMATE.start_main_~k~5 44), 64719#(<= ULTIMATE.start_main_~k~5 45), 64720#(<= ULTIMATE.start_main_~k~5 46), 64721#(<= ULTIMATE.start_main_~k~5 47), 64722#(<= ULTIMATE.start_main_~k~5 48), 64723#(<= ULTIMATE.start_main_~k~5 49), 64724#(<= ULTIMATE.start_main_~k~5 50), 64725#(<= ULTIMATE.start_main_~k~5 51), 64726#(<= ULTIMATE.start_main_~k~5 52), 64727#(<= ULTIMATE.start_main_~k~5 53), 64728#(<= ULTIMATE.start_main_~k~5 54), 64729#(<= ULTIMATE.start_main_~k~5 55), 64730#(<= ULTIMATE.start_main_~k~5 56), 64731#(<= ULTIMATE.start_main_~k~5 57), 64732#(<= ULTIMATE.start_main_~k~5 58), 64733#(<= ULTIMATE.start_main_~k~5 59), 64734#(<= ULTIMATE.start_main_~k~5 60), 64735#(<= ULTIMATE.start_main_~k~5 61), 64736#(<= ULTIMATE.start_main_~k~5 62), 64737#(<= ULTIMATE.start_main_~k~5 63), 64738#(<= ULTIMATE.start_main_~k~5 64), 64739#(<= ULTIMATE.start_main_~k~5 65), 64740#(<= ULTIMATE.start_main_~k~5 66), 64741#(<= ULTIMATE.start_main_~k~5 67), 64742#(<= ULTIMATE.start_main_~k~5 68), 64743#(<= ULTIMATE.start_main_~k~5 69), 64744#(<= ULTIMATE.start_main_~k~5 70), 64745#(<= ULTIMATE.start_main_~k~5 71), 64746#(<= ULTIMATE.start_main_~k~5 72), 64747#(<= ULTIMATE.start_main_~k~5 73), 64748#(<= ULTIMATE.start_main_~k~5 74), 64749#(<= ULTIMATE.start_main_~k~5 75), 64750#(<= ULTIMATE.start_main_~k~5 76), 64751#(<= ULTIMATE.start_main_~k~5 77), 64752#(<= ULTIMATE.start_main_~k~5 78), 64753#(<= ULTIMATE.start_main_~k~5 79), 64754#(<= ULTIMATE.start_main_~k~5 80), 64755#(<= ULTIMATE.start_main_~k~5 81), 64756#(<= ULTIMATE.start_main_~k~5 82), 64757#(<= ULTIMATE.start_main_~k~5 83), 64758#(<= ULTIMATE.start_main_~k~5 84), 64759#(<= ULTIMATE.start_main_~k~5 85), 64760#(<= ULTIMATE.start_main_~k~5 86), 64761#(<= ULTIMATE.start_main_~k~5 87), 64762#(<= ULTIMATE.start_main_~k~5 88), 64763#(<= ULTIMATE.start_main_~k~5 89), 64764#(<= ULTIMATE.start_main_~k~5 90), 64765#(<= ULTIMATE.start_main_~k~5 91), 64766#(<= ULTIMATE.start_main_~k~5 92), 64767#(<= ULTIMATE.start_main_~k~5 93)] [2018-07-23 13:41:43,558 INFO L134 CoverageAnalysis]: Checked inductivity of 12246 backedges. 0 proven. 12246 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2018-07-23 13:41:43,558 INFO L450 AbstractCegarLoop]: Interpolant automaton has 159 states [2018-07-23 13:41:43,560 INFO L132 InterpolantAutomaton]: Constructing interpolant automaton starting with 159 interpolants. [2018-07-23 13:41:43,561 INFO L133 InterpolantAutomaton]: CoverageRelationStatistics Valid=12561, Invalid=12561, Unknown=0, NotChecked=0, Total=25122 [2018-07-23 13:41:43,561 INFO L87 Difference]: Start difference. First operand 160 states and 160 transitions. Second operand 159 states. [2018-07-23 13:41:43,696 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2018-07-23 13:41:43,696 INFO L93 Difference]: Finished difference Result 163 states and 163 transitions. [2018-07-23 13:41:43,696 INFO L142 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 159 states. [2018-07-23 13:41:43,696 INFO L78 Accepts]: Start accepts. Automaton has 159 states. Word has length 159 [2018-07-23 13:41:43,696 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2018-07-23 13:41:43,697 INFO L225 Difference]: With dead ends: 163 [2018-07-23 13:41:43,697 INFO L226 Difference]: Without dead ends: 161 [2018-07-23 13:41:43,698 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 13:41:43,698 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 161 states. [2018-07-23 13:41:43,700 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 161 to 161. [2018-07-23 13:41:43,700 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 161 states. [2018-07-23 13:41:43,700 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 161 states to 161 states and 161 transitions. [2018-07-23 13:41:43,700 INFO L78 Accepts]: Start accepts. Automaton has 161 states and 161 transitions. Word has length 159 [2018-07-23 13:41:43,700 INFO L84 Accepts]: Finished accepts. word is rejected. [2018-07-23 13:41:43,700 INFO L471 AbstractCegarLoop]: Abstraction has 161 states and 161 transitions. [2018-07-23 13:41:43,700 INFO L472 AbstractCegarLoop]: Interpolant automaton has 159 states. [2018-07-23 13:41:43,701 INFO L276 IsEmpty]: Start isEmpty. Operand 161 states and 161 transitions. [2018-07-23 13:41:43,701 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 161 [2018-07-23 13:41:43,701 INFO L349 BasicCegarLoop]: Found error trace [2018-07-23 13:41:43,701 INFO L357 BasicCegarLoop]: trace histogram [157, 1, 1, 1] [2018-07-23 13:41:43,701 INFO L414 AbstractCegarLoop]: === Iteration 158 === [ULTIMATE.startErr0AssertViolationASSERT]=== [2018-07-23 13:41:43,701 INFO L82 PathProgramCache]: Analyzing trace with hash -79393048, now seen corresponding path program 157 times [2018-07-23 13:41:43,701 INFO L69 tionRefinementEngine]: Using refinement strategy FixedRefinementStrategy [2018-07-23 13:41:43,752 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-07-23 13:41:44,347 INFO L134 CoverageAnalysis]: Checked inductivity of 12403 backedges. 0 proven. 12403 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2018-07-23 13:41:44,347 INFO L309 seRefinementStrategy]: Constructing automaton from 0 perfect and 1 imperfect interpolant sequences. [2018-07-23 13:41:44,347 INFO L324 seRefinementStrategy]: Number of different interpolants: perfect sequences [] imperfect sequences [159] total 159 [2018-07-23 13:41:44,347 INFO L142 lantAutomatonBuilder]: Constructing canonical interpolant automaton, with selfloop in false state [2018-07-23 13:41:44,348 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2018-07-23 13:41:44,348 INFO L185 omatonBuilderFactory]: Interpolants [65537#(<= ULTIMATE.start_main_~k~5 56), 65536#(<= ULTIMATE.start_main_~k~5 55), 65539#(<= ULTIMATE.start_main_~k~5 58), 65538#(<= ULTIMATE.start_main_~k~5 57), 65541#(<= ULTIMATE.start_main_~k~5 60), 65540#(<= ULTIMATE.start_main_~k~5 59), 65543#(<= ULTIMATE.start_main_~k~5 62), 65542#(<= ULTIMATE.start_main_~k~5 61), 65545#(<= ULTIMATE.start_main_~k~5 64), 65544#(<= ULTIMATE.start_main_~k~5 63), 65547#(<= ULTIMATE.start_main_~k~5 66), 65546#(<= ULTIMATE.start_main_~k~5 65), 65549#(<= ULTIMATE.start_main_~k~5 68), 65548#(<= ULTIMATE.start_main_~k~5 67), 65551#(<= ULTIMATE.start_main_~k~5 70), 65550#(<= ULTIMATE.start_main_~k~5 69), 65553#(<= ULTIMATE.start_main_~k~5 72), 65552#(<= ULTIMATE.start_main_~k~5 71), 65555#(<= ULTIMATE.start_main_~k~5 74), 65554#(<= ULTIMATE.start_main_~k~5 73), 65557#(<= ULTIMATE.start_main_~k~5 76), 65556#(<= ULTIMATE.start_main_~k~5 75), 65559#(<= ULTIMATE.start_main_~k~5 78), 65558#(<= ULTIMATE.start_main_~k~5 77), 65561#(<= ULTIMATE.start_main_~k~5 80), 65560#(<= ULTIMATE.start_main_~k~5 79), 65563#(<= ULTIMATE.start_main_~k~5 82), 65562#(<= ULTIMATE.start_main_~k~5 81), 65565#(<= ULTIMATE.start_main_~k~5 84), 65564#(<= ULTIMATE.start_main_~k~5 83), 65567#(<= ULTIMATE.start_main_~k~5 86), 65566#(<= ULTIMATE.start_main_~k~5 85), 65569#(<= ULTIMATE.start_main_~k~5 88), 65568#(<= ULTIMATE.start_main_~k~5 87), 65571#(<= ULTIMATE.start_main_~k~5 90), 65570#(<= ULTIMATE.start_main_~k~5 89), 65573#(<= ULTIMATE.start_main_~k~5 92), 65572#(<= ULTIMATE.start_main_~k~5 91), 65575#(<= ULTIMATE.start_main_~k~5 94), 65574#(<= ULTIMATE.start_main_~k~5 93), 65577#(<= ULTIMATE.start_main_~k~5 96), 65576#(<= ULTIMATE.start_main_~k~5 95), 65579#(<= ULTIMATE.start_main_~k~5 98), 65578#(<= ULTIMATE.start_main_~k~5 97), 65581#(<= ULTIMATE.start_main_~k~5 100), 65580#(<= ULTIMATE.start_main_~k~5 99), 65583#(<= ULTIMATE.start_main_~k~5 102), 65582#(<= ULTIMATE.start_main_~k~5 101), 65585#(<= ULTIMATE.start_main_~k~5 104), 65584#(<= ULTIMATE.start_main_~k~5 103), 65587#(<= ULTIMATE.start_main_~k~5 106), 65586#(<= ULTIMATE.start_main_~k~5 105), 65589#(<= ULTIMATE.start_main_~k~5 108), 65588#(<= ULTIMATE.start_main_~k~5 107), 65591#(<= ULTIMATE.start_main_~k~5 110), 65590#(<= ULTIMATE.start_main_~k~5 109), 65593#(<= ULTIMATE.start_main_~k~5 112), 65592#(<= ULTIMATE.start_main_~k~5 111), 65595#(<= ULTIMATE.start_main_~k~5 114), 65594#(<= ULTIMATE.start_main_~k~5 113), 65597#(<= ULTIMATE.start_main_~k~5 116), 65596#(<= ULTIMATE.start_main_~k~5 115), 65599#(<= ULTIMATE.start_main_~k~5 118), 65598#(<= ULTIMATE.start_main_~k~5 117), 65601#(<= ULTIMATE.start_main_~k~5 120), 65600#(<= ULTIMATE.start_main_~k~5 119), 65603#(<= ULTIMATE.start_main_~k~5 122), 65602#(<= ULTIMATE.start_main_~k~5 121), 65605#(<= ULTIMATE.start_main_~k~5 124), 65604#(<= ULTIMATE.start_main_~k~5 123), 65607#(<= ULTIMATE.start_main_~k~5 126), 65606#(<= ULTIMATE.start_main_~k~5 125), 65609#(<= ULTIMATE.start_main_~k~5 128), 65608#(<= ULTIMATE.start_main_~k~5 127), 65611#(<= ULTIMATE.start_main_~k~5 130), 65610#(<= ULTIMATE.start_main_~k~5 129), 65613#(<= ULTIMATE.start_main_~k~5 132), 65612#(<= ULTIMATE.start_main_~k~5 131), 65615#(<= ULTIMATE.start_main_~k~5 134), 65614#(<= ULTIMATE.start_main_~k~5 133), 65617#(<= ULTIMATE.start_main_~k~5 136), 65616#(<= ULTIMATE.start_main_~k~5 135), 65619#(<= ULTIMATE.start_main_~k~5 138), 65618#(<= ULTIMATE.start_main_~k~5 137), 65621#(<= ULTIMATE.start_main_~k~5 140), 65620#(<= ULTIMATE.start_main_~k~5 139), 65623#(<= ULTIMATE.start_main_~k~5 142), 65622#(<= ULTIMATE.start_main_~k~5 141), 65625#(<= ULTIMATE.start_main_~k~5 144), 65624#(<= ULTIMATE.start_main_~k~5 143), 65627#(<= ULTIMATE.start_main_~k~5 146), 65626#(<= ULTIMATE.start_main_~k~5 145), 65629#(<= ULTIMATE.start_main_~k~5 148), 65628#(<= ULTIMATE.start_main_~k~5 147), 65631#(<= ULTIMATE.start_main_~k~5 150), 65630#(<= ULTIMATE.start_main_~k~5 149), 65633#(<= ULTIMATE.start_main_~k~5 152), 65632#(<= ULTIMATE.start_main_~k~5 151), 65635#(<= ULTIMATE.start_main_~k~5 154), 65634#(<= ULTIMATE.start_main_~k~5 153), 65637#(<= ULTIMATE.start_main_~k~5 156), 65636#(<= ULTIMATE.start_main_~k~5 155), 65638#(<= ULTIMATE.start_main_~k~5 157), 65479#true, 65480#false, 65481#(<= ULTIMATE.start_main_~k~5 0), 65482#(<= ULTIMATE.start_main_~k~5 1), 65483#(<= ULTIMATE.start_main_~k~5 2), 65484#(<= ULTIMATE.start_main_~k~5 3), 65485#(<= ULTIMATE.start_main_~k~5 4), 65486#(<= ULTIMATE.start_main_~k~5 5), 65487#(<= ULTIMATE.start_main_~k~5 6), 65488#(<= ULTIMATE.start_main_~k~5 7), 65489#(<= ULTIMATE.start_main_~k~5 8), 65490#(<= ULTIMATE.start_main_~k~5 9), 65491#(<= ULTIMATE.start_main_~k~5 10), 65492#(<= ULTIMATE.start_main_~k~5 11), 65493#(<= ULTIMATE.start_main_~k~5 12), 65494#(<= ULTIMATE.start_main_~k~5 13), 65495#(<= ULTIMATE.start_main_~k~5 14), 65496#(<= ULTIMATE.start_main_~k~5 15), 65497#(<= ULTIMATE.start_main_~k~5 16), 65498#(<= ULTIMATE.start_main_~k~5 17), 65499#(<= ULTIMATE.start_main_~k~5 18), 65500#(<= ULTIMATE.start_main_~k~5 19), 65501#(<= ULTIMATE.start_main_~k~5 20), 65502#(<= ULTIMATE.start_main_~k~5 21), 65503#(<= ULTIMATE.start_main_~k~5 22), 65504#(<= ULTIMATE.start_main_~k~5 23), 65505#(<= ULTIMATE.start_main_~k~5 24), 65506#(<= ULTIMATE.start_main_~k~5 25), 65507#(<= ULTIMATE.start_main_~k~5 26), 65508#(<= ULTIMATE.start_main_~k~5 27), 65509#(<= ULTIMATE.start_main_~k~5 28), 65510#(<= ULTIMATE.start_main_~k~5 29), 65511#(<= ULTIMATE.start_main_~k~5 30), 65512#(<= ULTIMATE.start_main_~k~5 31), 65513#(<= ULTIMATE.start_main_~k~5 32), 65514#(<= ULTIMATE.start_main_~k~5 33), 65515#(<= ULTIMATE.start_main_~k~5 34), 65516#(<= ULTIMATE.start_main_~k~5 35), 65517#(<= ULTIMATE.start_main_~k~5 36), 65518#(<= ULTIMATE.start_main_~k~5 37), 65519#(<= ULTIMATE.start_main_~k~5 38), 65520#(<= ULTIMATE.start_main_~k~5 39), 65521#(<= ULTIMATE.start_main_~k~5 40), 65522#(<= ULTIMATE.start_main_~k~5 41), 65523#(<= ULTIMATE.start_main_~k~5 42), 65524#(<= ULTIMATE.start_main_~k~5 43), 65525#(<= ULTIMATE.start_main_~k~5 44), 65526#(<= ULTIMATE.start_main_~k~5 45), 65527#(<= ULTIMATE.start_main_~k~5 46), 65528#(<= ULTIMATE.start_main_~k~5 47), 65529#(<= ULTIMATE.start_main_~k~5 48), 65530#(<= ULTIMATE.start_main_~k~5 49), 65531#(<= ULTIMATE.start_main_~k~5 50), 65532#(<= ULTIMATE.start_main_~k~5 51), 65533#(<= ULTIMATE.start_main_~k~5 52), 65534#(<= ULTIMATE.start_main_~k~5 53), 65535#(<= ULTIMATE.start_main_~k~5 54)] [2018-07-23 13:41:44,349 INFO L134 CoverageAnalysis]: Checked inductivity of 12403 backedges. 0 proven. 12403 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2018-07-23 13:41:44,349 INFO L450 AbstractCegarLoop]: Interpolant automaton has 160 states [2018-07-23 13:41:44,350 INFO L132 InterpolantAutomaton]: Constructing interpolant automaton starting with 160 interpolants. [2018-07-23 13:41:44,351 INFO L133 InterpolantAutomaton]: CoverageRelationStatistics Valid=12720, Invalid=12720, Unknown=0, NotChecked=0, Total=25440 [2018-07-23 13:41:44,351 INFO L87 Difference]: Start difference. First operand 161 states and 161 transitions. Second operand 160 states. [2018-07-23 13:41:44,568 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2018-07-23 13:41:44,568 INFO L93 Difference]: Finished difference Result 164 states and 164 transitions. [2018-07-23 13:41:44,568 INFO L142 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 160 states. [2018-07-23 13:41:44,568 INFO L78 Accepts]: Start accepts. Automaton has 160 states. Word has length 160 [2018-07-23 13:41:44,568 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2018-07-23 13:41:44,569 INFO L225 Difference]: With dead ends: 164 [2018-07-23 13:41:44,569 INFO L226 Difference]: Without dead ends: 162 [2018-07-23 13:41:44,570 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 13:41:44,571 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 162 states. [2018-07-23 13:41:44,573 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 162 to 162. [2018-07-23 13:41:44,573 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 162 states. [2018-07-23 13:41:44,573 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 162 states to 162 states and 162 transitions. [2018-07-23 13:41:44,573 INFO L78 Accepts]: Start accepts. Automaton has 162 states and 162 transitions. Word has length 160 [2018-07-23 13:41:44,574 INFO L84 Accepts]: Finished accepts. word is rejected. [2018-07-23 13:41:44,574 INFO L471 AbstractCegarLoop]: Abstraction has 162 states and 162 transitions. [2018-07-23 13:41:44,574 INFO L472 AbstractCegarLoop]: Interpolant automaton has 160 states. [2018-07-23 13:41:44,574 INFO L276 IsEmpty]: Start isEmpty. Operand 162 states and 162 transitions. [2018-07-23 13:41:44,574 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 162 [2018-07-23 13:41:44,575 INFO L349 BasicCegarLoop]: Found error trace [2018-07-23 13:41:44,575 INFO L357 BasicCegarLoop]: trace histogram [158, 1, 1, 1] [2018-07-23 13:41:44,575 INFO L414 AbstractCegarLoop]: === Iteration 159 === [ULTIMATE.startErr0AssertViolationASSERT]=== [2018-07-23 13:41:44,575 INFO L82 PathProgramCache]: Analyzing trace with hash 1833780833, now seen corresponding path program 158 times [2018-07-23 13:41:44,575 INFO L69 tionRefinementEngine]: Using refinement strategy FixedRefinementStrategy [2018-07-23 13:41:44,630 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-07-23 13:41:45,228 INFO L134 CoverageAnalysis]: Checked inductivity of 12561 backedges. 0 proven. 12561 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2018-07-23 13:41:45,229 INFO L309 seRefinementStrategy]: Constructing automaton from 0 perfect and 1 imperfect interpolant sequences. [2018-07-23 13:41:45,229 INFO L324 seRefinementStrategy]: Number of different interpolants: perfect sequences [] imperfect sequences [160] total 160 [2018-07-23 13:41:45,229 INFO L142 lantAutomatonBuilder]: Constructing canonical interpolant automaton, with selfloop in false state [2018-07-23 13:41:45,229 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2018-07-23 13:41:45,229 INFO L185 omatonBuilderFactory]: Interpolants [66305#(<= ULTIMATE.start_main_~k~5 12), 66304#(<= ULTIMATE.start_main_~k~5 11), 66307#(<= ULTIMATE.start_main_~k~5 14), 66306#(<= ULTIMATE.start_main_~k~5 13), 66309#(<= ULTIMATE.start_main_~k~5 16), 66308#(<= ULTIMATE.start_main_~k~5 15), 66311#(<= ULTIMATE.start_main_~k~5 18), 66310#(<= ULTIMATE.start_main_~k~5 17), 66313#(<= ULTIMATE.start_main_~k~5 20), 66312#(<= ULTIMATE.start_main_~k~5 19), 66315#(<= ULTIMATE.start_main_~k~5 22), 66314#(<= ULTIMATE.start_main_~k~5 21), 66317#(<= ULTIMATE.start_main_~k~5 24), 66316#(<= ULTIMATE.start_main_~k~5 23), 66319#(<= ULTIMATE.start_main_~k~5 26), 66318#(<= ULTIMATE.start_main_~k~5 25), 66321#(<= ULTIMATE.start_main_~k~5 28), 66320#(<= ULTIMATE.start_main_~k~5 27), 66323#(<= ULTIMATE.start_main_~k~5 30), 66322#(<= ULTIMATE.start_main_~k~5 29), 66325#(<= ULTIMATE.start_main_~k~5 32), 66324#(<= ULTIMATE.start_main_~k~5 31), 66327#(<= ULTIMATE.start_main_~k~5 34), 66326#(<= ULTIMATE.start_main_~k~5 33), 66329#(<= ULTIMATE.start_main_~k~5 36), 66328#(<= ULTIMATE.start_main_~k~5 35), 66331#(<= ULTIMATE.start_main_~k~5 38), 66330#(<= ULTIMATE.start_main_~k~5 37), 66333#(<= ULTIMATE.start_main_~k~5 40), 66332#(<= ULTIMATE.start_main_~k~5 39), 66335#(<= ULTIMATE.start_main_~k~5 42), 66334#(<= ULTIMATE.start_main_~k~5 41), 66337#(<= ULTIMATE.start_main_~k~5 44), 66336#(<= ULTIMATE.start_main_~k~5 43), 66339#(<= ULTIMATE.start_main_~k~5 46), 66338#(<= ULTIMATE.start_main_~k~5 45), 66341#(<= ULTIMATE.start_main_~k~5 48), 66340#(<= ULTIMATE.start_main_~k~5 47), 66343#(<= ULTIMATE.start_main_~k~5 50), 66342#(<= ULTIMATE.start_main_~k~5 49), 66345#(<= ULTIMATE.start_main_~k~5 52), 66344#(<= ULTIMATE.start_main_~k~5 51), 66347#(<= ULTIMATE.start_main_~k~5 54), 66346#(<= ULTIMATE.start_main_~k~5 53), 66349#(<= ULTIMATE.start_main_~k~5 56), 66348#(<= ULTIMATE.start_main_~k~5 55), 66351#(<= ULTIMATE.start_main_~k~5 58), 66350#(<= ULTIMATE.start_main_~k~5 57), 66353#(<= ULTIMATE.start_main_~k~5 60), 66352#(<= ULTIMATE.start_main_~k~5 59), 66355#(<= ULTIMATE.start_main_~k~5 62), 66354#(<= ULTIMATE.start_main_~k~5 61), 66357#(<= ULTIMATE.start_main_~k~5 64), 66356#(<= ULTIMATE.start_main_~k~5 63), 66359#(<= ULTIMATE.start_main_~k~5 66), 66358#(<= ULTIMATE.start_main_~k~5 65), 66361#(<= ULTIMATE.start_main_~k~5 68), 66360#(<= ULTIMATE.start_main_~k~5 67), 66363#(<= ULTIMATE.start_main_~k~5 70), 66362#(<= ULTIMATE.start_main_~k~5 69), 66365#(<= ULTIMATE.start_main_~k~5 72), 66364#(<= ULTIMATE.start_main_~k~5 71), 66367#(<= ULTIMATE.start_main_~k~5 74), 66366#(<= ULTIMATE.start_main_~k~5 73), 66369#(<= ULTIMATE.start_main_~k~5 76), 66368#(<= ULTIMATE.start_main_~k~5 75), 66371#(<= ULTIMATE.start_main_~k~5 78), 66370#(<= ULTIMATE.start_main_~k~5 77), 66373#(<= ULTIMATE.start_main_~k~5 80), 66372#(<= ULTIMATE.start_main_~k~5 79), 66375#(<= ULTIMATE.start_main_~k~5 82), 66374#(<= ULTIMATE.start_main_~k~5 81), 66377#(<= ULTIMATE.start_main_~k~5 84), 66376#(<= ULTIMATE.start_main_~k~5 83), 66379#(<= ULTIMATE.start_main_~k~5 86), 66378#(<= ULTIMATE.start_main_~k~5 85), 66381#(<= ULTIMATE.start_main_~k~5 88), 66380#(<= ULTIMATE.start_main_~k~5 87), 66383#(<= ULTIMATE.start_main_~k~5 90), 66382#(<= ULTIMATE.start_main_~k~5 89), 66385#(<= ULTIMATE.start_main_~k~5 92), 66384#(<= ULTIMATE.start_main_~k~5 91), 66387#(<= ULTIMATE.start_main_~k~5 94), 66386#(<= ULTIMATE.start_main_~k~5 93), 66389#(<= ULTIMATE.start_main_~k~5 96), 66388#(<= ULTIMATE.start_main_~k~5 95), 66391#(<= ULTIMATE.start_main_~k~5 98), 66390#(<= ULTIMATE.start_main_~k~5 97), 66393#(<= ULTIMATE.start_main_~k~5 100), 66392#(<= ULTIMATE.start_main_~k~5 99), 66395#(<= ULTIMATE.start_main_~k~5 102), 66394#(<= ULTIMATE.start_main_~k~5 101), 66397#(<= ULTIMATE.start_main_~k~5 104), 66396#(<= ULTIMATE.start_main_~k~5 103), 66399#(<= ULTIMATE.start_main_~k~5 106), 66398#(<= ULTIMATE.start_main_~k~5 105), 66401#(<= ULTIMATE.start_main_~k~5 108), 66400#(<= ULTIMATE.start_main_~k~5 107), 66403#(<= ULTIMATE.start_main_~k~5 110), 66402#(<= ULTIMATE.start_main_~k~5 109), 66405#(<= ULTIMATE.start_main_~k~5 112), 66404#(<= ULTIMATE.start_main_~k~5 111), 66407#(<= ULTIMATE.start_main_~k~5 114), 66406#(<= ULTIMATE.start_main_~k~5 113), 66409#(<= ULTIMATE.start_main_~k~5 116), 66408#(<= ULTIMATE.start_main_~k~5 115), 66411#(<= ULTIMATE.start_main_~k~5 118), 66410#(<= ULTIMATE.start_main_~k~5 117), 66413#(<= ULTIMATE.start_main_~k~5 120), 66412#(<= ULTIMATE.start_main_~k~5 119), 66415#(<= ULTIMATE.start_main_~k~5 122), 66414#(<= ULTIMATE.start_main_~k~5 121), 66417#(<= ULTIMATE.start_main_~k~5 124), 66416#(<= ULTIMATE.start_main_~k~5 123), 66419#(<= ULTIMATE.start_main_~k~5 126), 66418#(<= ULTIMATE.start_main_~k~5 125), 66421#(<= ULTIMATE.start_main_~k~5 128), 66420#(<= ULTIMATE.start_main_~k~5 127), 66423#(<= ULTIMATE.start_main_~k~5 130), 66422#(<= ULTIMATE.start_main_~k~5 129), 66425#(<= ULTIMATE.start_main_~k~5 132), 66424#(<= ULTIMATE.start_main_~k~5 131), 66427#(<= ULTIMATE.start_main_~k~5 134), 66426#(<= ULTIMATE.start_main_~k~5 133), 66429#(<= ULTIMATE.start_main_~k~5 136), 66428#(<= ULTIMATE.start_main_~k~5 135), 66431#(<= ULTIMATE.start_main_~k~5 138), 66430#(<= ULTIMATE.start_main_~k~5 137), 66433#(<= ULTIMATE.start_main_~k~5 140), 66432#(<= ULTIMATE.start_main_~k~5 139), 66435#(<= ULTIMATE.start_main_~k~5 142), 66434#(<= ULTIMATE.start_main_~k~5 141), 66437#(<= ULTIMATE.start_main_~k~5 144), 66436#(<= ULTIMATE.start_main_~k~5 143), 66439#(<= ULTIMATE.start_main_~k~5 146), 66438#(<= ULTIMATE.start_main_~k~5 145), 66441#(<= ULTIMATE.start_main_~k~5 148), 66440#(<= ULTIMATE.start_main_~k~5 147), 66443#(<= ULTIMATE.start_main_~k~5 150), 66442#(<= ULTIMATE.start_main_~k~5 149), 66445#(<= ULTIMATE.start_main_~k~5 152), 66444#(<= ULTIMATE.start_main_~k~5 151), 66447#(<= ULTIMATE.start_main_~k~5 154), 66446#(<= ULTIMATE.start_main_~k~5 153), 66449#(<= ULTIMATE.start_main_~k~5 156), 66448#(<= ULTIMATE.start_main_~k~5 155), 66451#(<= ULTIMATE.start_main_~k~5 158), 66450#(<= ULTIMATE.start_main_~k~5 157), 66291#true, 66293#(<= ULTIMATE.start_main_~k~5 0), 66292#false, 66295#(<= ULTIMATE.start_main_~k~5 2), 66294#(<= ULTIMATE.start_main_~k~5 1), 66297#(<= ULTIMATE.start_main_~k~5 4), 66296#(<= ULTIMATE.start_main_~k~5 3), 66299#(<= ULTIMATE.start_main_~k~5 6), 66298#(<= ULTIMATE.start_main_~k~5 5), 66301#(<= ULTIMATE.start_main_~k~5 8), 66300#(<= ULTIMATE.start_main_~k~5 7), 66303#(<= ULTIMATE.start_main_~k~5 10), 66302#(<= ULTIMATE.start_main_~k~5 9)] [2018-07-23 13:41:45,230 INFO L134 CoverageAnalysis]: Checked inductivity of 12561 backedges. 0 proven. 12561 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2018-07-23 13:41:45,230 INFO L450 AbstractCegarLoop]: Interpolant automaton has 161 states [2018-07-23 13:41:45,231 INFO L132 InterpolantAutomaton]: Constructing interpolant automaton starting with 161 interpolants. [2018-07-23 13:41:45,232 INFO L133 InterpolantAutomaton]: CoverageRelationStatistics Valid=12880, Invalid=12880, Unknown=0, NotChecked=0, Total=25760 [2018-07-23 13:41:45,232 INFO L87 Difference]: Start difference. First operand 162 states and 162 transitions. Second operand 161 states. [2018-07-23 13:41:45,636 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2018-07-23 13:41:45,636 INFO L93 Difference]: Finished difference Result 165 states and 165 transitions. [2018-07-23 13:41:45,636 INFO L142 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 161 states. [2018-07-23 13:41:45,636 INFO L78 Accepts]: Start accepts. Automaton has 161 states. Word has length 161 [2018-07-23 13:41:45,637 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2018-07-23 13:41:45,637 INFO L225 Difference]: With dead ends: 165 [2018-07-23 13:41:45,637 INFO L226 Difference]: Without dead ends: 163 [2018-07-23 13:41:45,638 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 13:41:45,638 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 163 states. [2018-07-23 13:41:45,640 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 163 to 163. [2018-07-23 13:41:45,640 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 163 states. [2018-07-23 13:41:45,640 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 163 states to 163 states and 163 transitions. [2018-07-23 13:41:45,640 INFO L78 Accepts]: Start accepts. Automaton has 163 states and 163 transitions. Word has length 161 [2018-07-23 13:41:45,640 INFO L84 Accepts]: Finished accepts. word is rejected. [2018-07-23 13:41:45,640 INFO L471 AbstractCegarLoop]: Abstraction has 163 states and 163 transitions. [2018-07-23 13:41:45,640 INFO L472 AbstractCegarLoop]: Interpolant automaton has 161 states. [2018-07-23 13:41:45,640 INFO L276 IsEmpty]: Start isEmpty. Operand 163 states and 163 transitions. [2018-07-23 13:41:45,641 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 163 [2018-07-23 13:41:45,641 INFO L349 BasicCegarLoop]: Found error trace [2018-07-23 13:41:45,641 INFO L357 BasicCegarLoop]: trace histogram [159, 1, 1, 1] [2018-07-23 13:41:45,641 INFO L414 AbstractCegarLoop]: === Iteration 160 === [ULTIMATE.startErr0AssertViolationASSERT]=== [2018-07-23 13:41:45,641 INFO L82 PathProgramCache]: Analyzing trace with hash 1012629000, now seen corresponding path program 159 times [2018-07-23 13:41:45,641 INFO L69 tionRefinementEngine]: Using refinement strategy FixedRefinementStrategy [2018-07-23 13:41:45,692 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-07-23 13:41:46,253 INFO L134 CoverageAnalysis]: Checked inductivity of 12720 backedges. 0 proven. 12720 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2018-07-23 13:41:46,253 INFO L309 seRefinementStrategy]: Constructing automaton from 0 perfect and 1 imperfect interpolant sequences. [2018-07-23 13:41:46,253 INFO L324 seRefinementStrategy]: Number of different interpolants: perfect sequences [] imperfect sequences [161] total 161 [2018-07-23 13:41:46,254 INFO L142 lantAutomatonBuilder]: Constructing canonical interpolant automaton, with selfloop in false state [2018-07-23 13:41:46,254 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2018-07-23 13:41:46,254 INFO L185 omatonBuilderFactory]: Interpolants [67109#false, 67108#true, 67111#(<= ULTIMATE.start_main_~k~5 1), 67110#(<= ULTIMATE.start_main_~k~5 0), 67113#(<= ULTIMATE.start_main_~k~5 3), 67112#(<= ULTIMATE.start_main_~k~5 2), 67115#(<= ULTIMATE.start_main_~k~5 5), 67114#(<= ULTIMATE.start_main_~k~5 4), 67117#(<= ULTIMATE.start_main_~k~5 7), 67116#(<= ULTIMATE.start_main_~k~5 6), 67119#(<= ULTIMATE.start_main_~k~5 9), 67118#(<= ULTIMATE.start_main_~k~5 8), 67121#(<= ULTIMATE.start_main_~k~5 11), 67120#(<= ULTIMATE.start_main_~k~5 10), 67123#(<= ULTIMATE.start_main_~k~5 13), 67122#(<= ULTIMATE.start_main_~k~5 12), 67125#(<= ULTIMATE.start_main_~k~5 15), 67124#(<= ULTIMATE.start_main_~k~5 14), 67127#(<= ULTIMATE.start_main_~k~5 17), 67126#(<= ULTIMATE.start_main_~k~5 16), 67129#(<= ULTIMATE.start_main_~k~5 19), 67128#(<= ULTIMATE.start_main_~k~5 18), 67131#(<= ULTIMATE.start_main_~k~5 21), 67130#(<= ULTIMATE.start_main_~k~5 20), 67133#(<= ULTIMATE.start_main_~k~5 23), 67132#(<= ULTIMATE.start_main_~k~5 22), 67135#(<= ULTIMATE.start_main_~k~5 25), 67134#(<= ULTIMATE.start_main_~k~5 24), 67137#(<= ULTIMATE.start_main_~k~5 27), 67136#(<= ULTIMATE.start_main_~k~5 26), 67139#(<= ULTIMATE.start_main_~k~5 29), 67138#(<= ULTIMATE.start_main_~k~5 28), 67141#(<= ULTIMATE.start_main_~k~5 31), 67140#(<= ULTIMATE.start_main_~k~5 30), 67143#(<= ULTIMATE.start_main_~k~5 33), 67142#(<= ULTIMATE.start_main_~k~5 32), 67145#(<= ULTIMATE.start_main_~k~5 35), 67144#(<= ULTIMATE.start_main_~k~5 34), 67147#(<= ULTIMATE.start_main_~k~5 37), 67146#(<= ULTIMATE.start_main_~k~5 36), 67149#(<= ULTIMATE.start_main_~k~5 39), 67148#(<= ULTIMATE.start_main_~k~5 38), 67151#(<= ULTIMATE.start_main_~k~5 41), 67150#(<= ULTIMATE.start_main_~k~5 40), 67153#(<= ULTIMATE.start_main_~k~5 43), 67152#(<= ULTIMATE.start_main_~k~5 42), 67155#(<= ULTIMATE.start_main_~k~5 45), 67154#(<= ULTIMATE.start_main_~k~5 44), 67157#(<= ULTIMATE.start_main_~k~5 47), 67156#(<= ULTIMATE.start_main_~k~5 46), 67159#(<= ULTIMATE.start_main_~k~5 49), 67158#(<= ULTIMATE.start_main_~k~5 48), 67161#(<= ULTIMATE.start_main_~k~5 51), 67160#(<= ULTIMATE.start_main_~k~5 50), 67163#(<= ULTIMATE.start_main_~k~5 53), 67162#(<= ULTIMATE.start_main_~k~5 52), 67165#(<= ULTIMATE.start_main_~k~5 55), 67164#(<= ULTIMATE.start_main_~k~5 54), 67167#(<= ULTIMATE.start_main_~k~5 57), 67166#(<= ULTIMATE.start_main_~k~5 56), 67169#(<= ULTIMATE.start_main_~k~5 59), 67168#(<= ULTIMATE.start_main_~k~5 58), 67171#(<= ULTIMATE.start_main_~k~5 61), 67170#(<= ULTIMATE.start_main_~k~5 60), 67173#(<= ULTIMATE.start_main_~k~5 63), 67172#(<= ULTIMATE.start_main_~k~5 62), 67175#(<= ULTIMATE.start_main_~k~5 65), 67174#(<= ULTIMATE.start_main_~k~5 64), 67177#(<= ULTIMATE.start_main_~k~5 67), 67176#(<= ULTIMATE.start_main_~k~5 66), 67179#(<= ULTIMATE.start_main_~k~5 69), 67178#(<= ULTIMATE.start_main_~k~5 68), 67181#(<= ULTIMATE.start_main_~k~5 71), 67180#(<= ULTIMATE.start_main_~k~5 70), 67183#(<= ULTIMATE.start_main_~k~5 73), 67182#(<= ULTIMATE.start_main_~k~5 72), 67185#(<= ULTIMATE.start_main_~k~5 75), 67184#(<= ULTIMATE.start_main_~k~5 74), 67187#(<= ULTIMATE.start_main_~k~5 77), 67186#(<= ULTIMATE.start_main_~k~5 76), 67189#(<= ULTIMATE.start_main_~k~5 79), 67188#(<= ULTIMATE.start_main_~k~5 78), 67191#(<= ULTIMATE.start_main_~k~5 81), 67190#(<= ULTIMATE.start_main_~k~5 80), 67193#(<= ULTIMATE.start_main_~k~5 83), 67192#(<= ULTIMATE.start_main_~k~5 82), 67195#(<= ULTIMATE.start_main_~k~5 85), 67194#(<= ULTIMATE.start_main_~k~5 84), 67197#(<= ULTIMATE.start_main_~k~5 87), 67196#(<= ULTIMATE.start_main_~k~5 86), 67199#(<= ULTIMATE.start_main_~k~5 89), 67198#(<= ULTIMATE.start_main_~k~5 88), 67201#(<= ULTIMATE.start_main_~k~5 91), 67200#(<= ULTIMATE.start_main_~k~5 90), 67203#(<= ULTIMATE.start_main_~k~5 93), 67202#(<= ULTIMATE.start_main_~k~5 92), 67205#(<= ULTIMATE.start_main_~k~5 95), 67204#(<= ULTIMATE.start_main_~k~5 94), 67207#(<= ULTIMATE.start_main_~k~5 97), 67206#(<= ULTIMATE.start_main_~k~5 96), 67209#(<= ULTIMATE.start_main_~k~5 99), 67208#(<= ULTIMATE.start_main_~k~5 98), 67211#(<= ULTIMATE.start_main_~k~5 101), 67210#(<= ULTIMATE.start_main_~k~5 100), 67213#(<= ULTIMATE.start_main_~k~5 103), 67212#(<= ULTIMATE.start_main_~k~5 102), 67215#(<= ULTIMATE.start_main_~k~5 105), 67214#(<= ULTIMATE.start_main_~k~5 104), 67217#(<= ULTIMATE.start_main_~k~5 107), 67216#(<= ULTIMATE.start_main_~k~5 106), 67219#(<= ULTIMATE.start_main_~k~5 109), 67218#(<= ULTIMATE.start_main_~k~5 108), 67221#(<= ULTIMATE.start_main_~k~5 111), 67220#(<= ULTIMATE.start_main_~k~5 110), 67223#(<= ULTIMATE.start_main_~k~5 113), 67222#(<= ULTIMATE.start_main_~k~5 112), 67225#(<= ULTIMATE.start_main_~k~5 115), 67224#(<= ULTIMATE.start_main_~k~5 114), 67227#(<= ULTIMATE.start_main_~k~5 117), 67226#(<= ULTIMATE.start_main_~k~5 116), 67229#(<= ULTIMATE.start_main_~k~5 119), 67228#(<= ULTIMATE.start_main_~k~5 118), 67231#(<= ULTIMATE.start_main_~k~5 121), 67230#(<= ULTIMATE.start_main_~k~5 120), 67233#(<= ULTIMATE.start_main_~k~5 123), 67232#(<= ULTIMATE.start_main_~k~5 122), 67235#(<= ULTIMATE.start_main_~k~5 125), 67234#(<= ULTIMATE.start_main_~k~5 124), 67237#(<= ULTIMATE.start_main_~k~5 127), 67236#(<= ULTIMATE.start_main_~k~5 126), 67239#(<= ULTIMATE.start_main_~k~5 129), 67238#(<= ULTIMATE.start_main_~k~5 128), 67241#(<= ULTIMATE.start_main_~k~5 131), 67240#(<= ULTIMATE.start_main_~k~5 130), 67243#(<= ULTIMATE.start_main_~k~5 133), 67242#(<= ULTIMATE.start_main_~k~5 132), 67245#(<= ULTIMATE.start_main_~k~5 135), 67244#(<= ULTIMATE.start_main_~k~5 134), 67247#(<= ULTIMATE.start_main_~k~5 137), 67246#(<= ULTIMATE.start_main_~k~5 136), 67249#(<= ULTIMATE.start_main_~k~5 139), 67248#(<= ULTIMATE.start_main_~k~5 138), 67251#(<= ULTIMATE.start_main_~k~5 141), 67250#(<= ULTIMATE.start_main_~k~5 140), 67253#(<= ULTIMATE.start_main_~k~5 143), 67252#(<= ULTIMATE.start_main_~k~5 142), 67255#(<= ULTIMATE.start_main_~k~5 145), 67254#(<= ULTIMATE.start_main_~k~5 144), 67257#(<= ULTIMATE.start_main_~k~5 147), 67256#(<= ULTIMATE.start_main_~k~5 146), 67259#(<= ULTIMATE.start_main_~k~5 149), 67258#(<= ULTIMATE.start_main_~k~5 148), 67261#(<= ULTIMATE.start_main_~k~5 151), 67260#(<= ULTIMATE.start_main_~k~5 150), 67263#(<= ULTIMATE.start_main_~k~5 153), 67262#(<= ULTIMATE.start_main_~k~5 152), 67265#(<= ULTIMATE.start_main_~k~5 155), 67264#(<= ULTIMATE.start_main_~k~5 154), 67267#(<= ULTIMATE.start_main_~k~5 157), 67266#(<= ULTIMATE.start_main_~k~5 156), 67269#(<= ULTIMATE.start_main_~k~5 159), 67268#(<= ULTIMATE.start_main_~k~5 158)] [2018-07-23 13:41:46,255 INFO L134 CoverageAnalysis]: Checked inductivity of 12720 backedges. 0 proven. 12720 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2018-07-23 13:41:46,255 INFO L450 AbstractCegarLoop]: Interpolant automaton has 162 states [2018-07-23 13:41:46,256 INFO L132 InterpolantAutomaton]: Constructing interpolant automaton starting with 162 interpolants. [2018-07-23 13:41:46,257 INFO L133 InterpolantAutomaton]: CoverageRelationStatistics Valid=13041, Invalid=13041, Unknown=0, NotChecked=0, Total=26082 [2018-07-23 13:41:46,257 INFO L87 Difference]: Start difference. First operand 163 states and 163 transitions. Second operand 162 states. [2018-07-23 13:41:46,700 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2018-07-23 13:41:46,700 INFO L93 Difference]: Finished difference Result 166 states and 166 transitions. [2018-07-23 13:41:46,700 INFO L142 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 162 states. [2018-07-23 13:41:46,701 INFO L78 Accepts]: Start accepts. Automaton has 162 states. Word has length 162 [2018-07-23 13:41:46,701 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2018-07-23 13:41:46,701 INFO L225 Difference]: With dead ends: 166 [2018-07-23 13:41:46,701 INFO L226 Difference]: Without dead ends: 164 [2018-07-23 13:41:46,702 INFO L575 BasicCegarLoop]: 0 DeclaredPredicates, 161 GetRequests, 1 SyntacticMatches, 0 SemanticMatches, 160 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 0 ImplicationChecksByTransitivity, 0.4s TimeCoverageRelationStatistics Valid=13041, Invalid=13041, Unknown=0, NotChecked=0, Total=26082 [2018-07-23 13:41:46,702 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 164 states. [2018-07-23 13:41:46,705 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 164 to 164. [2018-07-23 13:41:46,705 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 164 states. [2018-07-23 13:41:46,705 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 164 states to 164 states and 164 transitions. [2018-07-23 13:41:46,705 INFO L78 Accepts]: Start accepts. Automaton has 164 states and 164 transitions. Word has length 162 [2018-07-23 13:41:46,705 INFO L84 Accepts]: Finished accepts. word is rejected. [2018-07-23 13:41:46,706 INFO L471 AbstractCegarLoop]: Abstraction has 164 states and 164 transitions. [2018-07-23 13:41:46,706 INFO L472 AbstractCegarLoop]: Interpolant automaton has 162 states. [2018-07-23 13:41:46,706 INFO L276 IsEmpty]: Start isEmpty. Operand 164 states and 164 transitions. [2018-07-23 13:41:46,706 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 164 [2018-07-23 13:41:46,706 INFO L349 BasicCegarLoop]: Found error trace [2018-07-23 13:41:46,707 INFO L357 BasicCegarLoop]: trace histogram [160, 1, 1, 1] [2018-07-23 13:41:46,707 INFO L414 AbstractCegarLoop]: === Iteration 161 === [ULTIMATE.startErr0AssertViolationASSERT]=== [2018-07-23 13:41:46,707 INFO L82 PathProgramCache]: Analyzing trace with hash 1326725953, now seen corresponding path program 160 times [2018-07-23 13:41:46,707 INFO L69 tionRefinementEngine]: Using refinement strategy FixedRefinementStrategy [2018-07-23 13:41:46,767 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-07-23 13:41:47,377 INFO L134 CoverageAnalysis]: Checked inductivity of 12880 backedges. 0 proven. 12880 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2018-07-23 13:41:47,377 INFO L309 seRefinementStrategy]: Constructing automaton from 0 perfect and 1 imperfect interpolant sequences. [2018-07-23 13:41:47,377 INFO L324 seRefinementStrategy]: Number of different interpolants: perfect sequences [] imperfect sequences [162] total 162 [2018-07-23 13:41:47,377 INFO L142 lantAutomatonBuilder]: Constructing canonical interpolant automaton, with selfloop in false state [2018-07-23 13:41:47,378 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 13:41:47,378 INFO L185 omatonBuilderFactory]: Interpolants [67931#false, 67930#true, 67933#(<= ULTIMATE.start_main_~k~5 1), 67932#(<= ULTIMATE.start_main_~k~5 0), 67935#(<= ULTIMATE.start_main_~k~5 3), 67934#(<= ULTIMATE.start_main_~k~5 2), 67937#(<= ULTIMATE.start_main_~k~5 5), 67936#(<= ULTIMATE.start_main_~k~5 4), 67939#(<= ULTIMATE.start_main_~k~5 7), 67938#(<= ULTIMATE.start_main_~k~5 6), 67941#(<= ULTIMATE.start_main_~k~5 9), 67940#(<= ULTIMATE.start_main_~k~5 8), 67943#(<= ULTIMATE.start_main_~k~5 11), 67942#(<= ULTIMATE.start_main_~k~5 10), 67945#(<= ULTIMATE.start_main_~k~5 13), 67944#(<= ULTIMATE.start_main_~k~5 12), 67947#(<= ULTIMATE.start_main_~k~5 15), 67946#(<= ULTIMATE.start_main_~k~5 14), 67949#(<= ULTIMATE.start_main_~k~5 17), 67948#(<= ULTIMATE.start_main_~k~5 16), 67951#(<= ULTIMATE.start_main_~k~5 19), 67950#(<= ULTIMATE.start_main_~k~5 18), 67953#(<= ULTIMATE.start_main_~k~5 21), 67952#(<= ULTIMATE.start_main_~k~5 20), 67955#(<= ULTIMATE.start_main_~k~5 23), 67954#(<= ULTIMATE.start_main_~k~5 22), 67957#(<= ULTIMATE.start_main_~k~5 25), 67956#(<= ULTIMATE.start_main_~k~5 24), 67959#(<= ULTIMATE.start_main_~k~5 27), 67958#(<= ULTIMATE.start_main_~k~5 26), 67961#(<= ULTIMATE.start_main_~k~5 29), 67960#(<= ULTIMATE.start_main_~k~5 28), 67963#(<= ULTIMATE.start_main_~k~5 31), 67962#(<= ULTIMATE.start_main_~k~5 30), 67965#(<= ULTIMATE.start_main_~k~5 33), 67964#(<= ULTIMATE.start_main_~k~5 32), 67967#(<= ULTIMATE.start_main_~k~5 35), 67966#(<= ULTIMATE.start_main_~k~5 34), 67969#(<= ULTIMATE.start_main_~k~5 37), 67968#(<= ULTIMATE.start_main_~k~5 36), 67971#(<= ULTIMATE.start_main_~k~5 39), 67970#(<= ULTIMATE.start_main_~k~5 38), 67973#(<= ULTIMATE.start_main_~k~5 41), 67972#(<= ULTIMATE.start_main_~k~5 40), 67975#(<= ULTIMATE.start_main_~k~5 43), 67974#(<= ULTIMATE.start_main_~k~5 42), 67977#(<= ULTIMATE.start_main_~k~5 45), 67976#(<= ULTIMATE.start_main_~k~5 44), 67979#(<= ULTIMATE.start_main_~k~5 47), 67978#(<= ULTIMATE.start_main_~k~5 46), 67981#(<= ULTIMATE.start_main_~k~5 49), 67980#(<= ULTIMATE.start_main_~k~5 48), 67983#(<= ULTIMATE.start_main_~k~5 51), 67982#(<= ULTIMATE.start_main_~k~5 50), 67985#(<= ULTIMATE.start_main_~k~5 53), 67984#(<= ULTIMATE.start_main_~k~5 52), 67987#(<= ULTIMATE.start_main_~k~5 55), 67986#(<= ULTIMATE.start_main_~k~5 54), 67989#(<= ULTIMATE.start_main_~k~5 57), 67988#(<= ULTIMATE.start_main_~k~5 56), 67991#(<= ULTIMATE.start_main_~k~5 59), 67990#(<= ULTIMATE.start_main_~k~5 58), 67993#(<= ULTIMATE.start_main_~k~5 61), 67992#(<= ULTIMATE.start_main_~k~5 60), 67995#(<= ULTIMATE.start_main_~k~5 63), 67994#(<= ULTIMATE.start_main_~k~5 62), 67997#(<= ULTIMATE.start_main_~k~5 65), 67996#(<= ULTIMATE.start_main_~k~5 64), 67999#(<= ULTIMATE.start_main_~k~5 67), 67998#(<= ULTIMATE.start_main_~k~5 66), 68001#(<= ULTIMATE.start_main_~k~5 69), 68000#(<= ULTIMATE.start_main_~k~5 68), 68003#(<= ULTIMATE.start_main_~k~5 71), 68002#(<= ULTIMATE.start_main_~k~5 70), 68005#(<= ULTIMATE.start_main_~k~5 73), 68004#(<= ULTIMATE.start_main_~k~5 72), 68007#(<= ULTIMATE.start_main_~k~5 75), 68006#(<= ULTIMATE.start_main_~k~5 74), 68009#(<= ULTIMATE.start_main_~k~5 77), 68008#(<= ULTIMATE.start_main_~k~5 76), 68011#(<= ULTIMATE.start_main_~k~5 79), 68010#(<= ULTIMATE.start_main_~k~5 78), 68013#(<= ULTIMATE.start_main_~k~5 81), 68012#(<= ULTIMATE.start_main_~k~5 80), 68015#(<= ULTIMATE.start_main_~k~5 83), 68014#(<= ULTIMATE.start_main_~k~5 82), 68017#(<= ULTIMATE.start_main_~k~5 85), 68016#(<= ULTIMATE.start_main_~k~5 84), 68019#(<= ULTIMATE.start_main_~k~5 87), 68018#(<= ULTIMATE.start_main_~k~5 86), 68021#(<= ULTIMATE.start_main_~k~5 89), 68020#(<= ULTIMATE.start_main_~k~5 88), 68023#(<= ULTIMATE.start_main_~k~5 91), 68022#(<= ULTIMATE.start_main_~k~5 90), 68025#(<= ULTIMATE.start_main_~k~5 93), 68024#(<= ULTIMATE.start_main_~k~5 92), 68027#(<= ULTIMATE.start_main_~k~5 95), 68026#(<= ULTIMATE.start_main_~k~5 94), 68029#(<= ULTIMATE.start_main_~k~5 97), 68028#(<= ULTIMATE.start_main_~k~5 96), 68031#(<= ULTIMATE.start_main_~k~5 99), 68030#(<= ULTIMATE.start_main_~k~5 98), 68033#(<= ULTIMATE.start_main_~k~5 101), 68032#(<= ULTIMATE.start_main_~k~5 100), 68035#(<= ULTIMATE.start_main_~k~5 103), 68034#(<= ULTIMATE.start_main_~k~5 102), 68037#(<= ULTIMATE.start_main_~k~5 105), 68036#(<= ULTIMATE.start_main_~k~5 104), 68039#(<= ULTIMATE.start_main_~k~5 107), 68038#(<= ULTIMATE.start_main_~k~5 106), 68041#(<= ULTIMATE.start_main_~k~5 109), 68040#(<= ULTIMATE.start_main_~k~5 108), 68043#(<= ULTIMATE.start_main_~k~5 111), 68042#(<= ULTIMATE.start_main_~k~5 110), 68045#(<= ULTIMATE.start_main_~k~5 113), 68044#(<= ULTIMATE.start_main_~k~5 112), 68047#(<= ULTIMATE.start_main_~k~5 115), 68046#(<= ULTIMATE.start_main_~k~5 114), 68049#(<= ULTIMATE.start_main_~k~5 117), 68048#(<= ULTIMATE.start_main_~k~5 116), 68051#(<= ULTIMATE.start_main_~k~5 119), 68050#(<= ULTIMATE.start_main_~k~5 118), 68053#(<= ULTIMATE.start_main_~k~5 121), 68052#(<= ULTIMATE.start_main_~k~5 120), 68055#(<= ULTIMATE.start_main_~k~5 123), 68054#(<= ULTIMATE.start_main_~k~5 122), 68057#(<= ULTIMATE.start_main_~k~5 125), 68056#(<= ULTIMATE.start_main_~k~5 124), 68059#(<= ULTIMATE.start_main_~k~5 127), 68058#(<= ULTIMATE.start_main_~k~5 126), 68061#(<= ULTIMATE.start_main_~k~5 129), 68060#(<= ULTIMATE.start_main_~k~5 128), 68063#(<= ULTIMATE.start_main_~k~5 131), 68062#(<= ULTIMATE.start_main_~k~5 130), 68065#(<= ULTIMATE.start_main_~k~5 133), 68064#(<= ULTIMATE.start_main_~k~5 132), 68067#(<= ULTIMATE.start_main_~k~5 135), 68066#(<= ULTIMATE.start_main_~k~5 134), 68069#(<= ULTIMATE.start_main_~k~5 137), 68068#(<= ULTIMATE.start_main_~k~5 136), 68071#(<= ULTIMATE.start_main_~k~5 139), 68070#(<= ULTIMATE.start_main_~k~5 138), 68073#(<= ULTIMATE.start_main_~k~5 141), 68072#(<= ULTIMATE.start_main_~k~5 140), 68075#(<= ULTIMATE.start_main_~k~5 143), 68074#(<= ULTIMATE.start_main_~k~5 142), 68077#(<= ULTIMATE.start_main_~k~5 145), 68076#(<= ULTIMATE.start_main_~k~5 144), 68079#(<= ULTIMATE.start_main_~k~5 147), 68078#(<= ULTIMATE.start_main_~k~5 146), 68081#(<= ULTIMATE.start_main_~k~5 149), 68080#(<= ULTIMATE.start_main_~k~5 148), 68083#(<= ULTIMATE.start_main_~k~5 151), 68082#(<= ULTIMATE.start_main_~k~5 150), 68085#(<= ULTIMATE.start_main_~k~5 153), 68084#(<= ULTIMATE.start_main_~k~5 152), 68087#(<= ULTIMATE.start_main_~k~5 155), 68086#(<= ULTIMATE.start_main_~k~5 154), 68089#(<= ULTIMATE.start_main_~k~5 157), 68088#(<= ULTIMATE.start_main_~k~5 156), 68091#(<= ULTIMATE.start_main_~k~5 159), 68090#(<= ULTIMATE.start_main_~k~5 158), 68092#(<= ULTIMATE.start_main_~k~5 160)] [2018-07-23 13:41:47,379 INFO L134 CoverageAnalysis]: Checked inductivity of 12880 backedges. 0 proven. 12880 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2018-07-23 13:41:47,379 INFO L450 AbstractCegarLoop]: Interpolant automaton has 163 states [2018-07-23 13:41:47,380 INFO L132 InterpolantAutomaton]: Constructing interpolant automaton starting with 163 interpolants. [2018-07-23 13:41:47,381 INFO L133 InterpolantAutomaton]: CoverageRelationStatistics Valid=13203, Invalid=13203, Unknown=0, NotChecked=0, Total=26406 [2018-07-23 13:41:47,381 INFO L87 Difference]: Start difference. First operand 164 states and 164 transitions. Second operand 163 states. [2018-07-23 13:41:47,805 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2018-07-23 13:41:47,805 INFO L93 Difference]: Finished difference Result 167 states and 167 transitions. [2018-07-23 13:41:47,805 INFO L142 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 163 states. [2018-07-23 13:41:47,805 INFO L78 Accepts]: Start accepts. Automaton has 163 states. Word has length 163 [2018-07-23 13:41:47,805 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2018-07-23 13:41:47,806 INFO L225 Difference]: With dead ends: 167 [2018-07-23 13:41:47,806 INFO L226 Difference]: Without dead ends: 165 [2018-07-23 13:41:47,807 INFO L575 BasicCegarLoop]: 0 DeclaredPredicates, 162 GetRequests, 1 SyntacticMatches, 0 SemanticMatches, 161 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 0 ImplicationChecksByTransitivity, 0.5s TimeCoverageRelationStatistics Valid=13203, Invalid=13203, Unknown=0, NotChecked=0, Total=26406 [2018-07-23 13:41:47,807 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 165 states. [2018-07-23 13:41:47,809 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 165 to 165. [2018-07-23 13:41:47,809 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 165 states. [2018-07-23 13:41:47,809 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 165 states to 165 states and 165 transitions. [2018-07-23 13:41:47,809 INFO L78 Accepts]: Start accepts. Automaton has 165 states and 165 transitions. Word has length 163 [2018-07-23 13:41:47,809 INFO L84 Accepts]: Finished accepts. word is rejected. [2018-07-23 13:41:47,809 INFO L471 AbstractCegarLoop]: Abstraction has 165 states and 165 transitions. [2018-07-23 13:41:47,809 INFO L472 AbstractCegarLoop]: Interpolant automaton has 163 states. [2018-07-23 13:41:47,809 INFO L276 IsEmpty]: Start isEmpty. Operand 165 states and 165 transitions. [2018-07-23 13:41:47,810 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 165 [2018-07-23 13:41:47,810 INFO L349 BasicCegarLoop]: Found error trace [2018-07-23 13:41:47,810 INFO L357 BasicCegarLoop]: trace histogram [161, 1, 1, 1] [2018-07-23 13:41:47,810 INFO L414 AbstractCegarLoop]: === Iteration 162 === [ULTIMATE.startErr0AssertViolationASSERT]=== [2018-07-23 13:41:47,810 INFO L82 PathProgramCache]: Analyzing trace with hash -1821170392, now seen corresponding path program 161 times [2018-07-23 13:41:47,811 INFO L69 tionRefinementEngine]: Using refinement strategy FixedRefinementStrategy [2018-07-23 13:41:47,895 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-07-23 13:41:48,593 INFO L134 CoverageAnalysis]: Checked inductivity of 13041 backedges. 0 proven. 13041 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2018-07-23 13:41:48,593 INFO L309 seRefinementStrategy]: Constructing automaton from 0 perfect and 1 imperfect interpolant sequences. [2018-07-23 13:41:48,593 INFO L324 seRefinementStrategy]: Number of different interpolants: perfect sequences [] imperfect sequences [163] total 163 [2018-07-23 13:41:48,593 INFO L142 lantAutomatonBuilder]: Constructing canonical interpolant automaton, with selfloop in false state [2018-07-23 13:41:48,594 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2018-07-23 13:41:48,594 INFO L185 omatonBuilderFactory]: Interpolants [68865#(<= ULTIMATE.start_main_~k~5 106), 68864#(<= ULTIMATE.start_main_~k~5 105), 68867#(<= ULTIMATE.start_main_~k~5 108), 68866#(<= ULTIMATE.start_main_~k~5 107), 68869#(<= ULTIMATE.start_main_~k~5 110), 68868#(<= ULTIMATE.start_main_~k~5 109), 68871#(<= ULTIMATE.start_main_~k~5 112), 68870#(<= ULTIMATE.start_main_~k~5 111), 68873#(<= ULTIMATE.start_main_~k~5 114), 68872#(<= ULTIMATE.start_main_~k~5 113), 68875#(<= ULTIMATE.start_main_~k~5 116), 68874#(<= ULTIMATE.start_main_~k~5 115), 68877#(<= ULTIMATE.start_main_~k~5 118), 68876#(<= ULTIMATE.start_main_~k~5 117), 68879#(<= ULTIMATE.start_main_~k~5 120), 68878#(<= ULTIMATE.start_main_~k~5 119), 68881#(<= ULTIMATE.start_main_~k~5 122), 68880#(<= ULTIMATE.start_main_~k~5 121), 68883#(<= ULTIMATE.start_main_~k~5 124), 68882#(<= ULTIMATE.start_main_~k~5 123), 68885#(<= ULTIMATE.start_main_~k~5 126), 68884#(<= ULTIMATE.start_main_~k~5 125), 68887#(<= ULTIMATE.start_main_~k~5 128), 68886#(<= ULTIMATE.start_main_~k~5 127), 68889#(<= ULTIMATE.start_main_~k~5 130), 68888#(<= ULTIMATE.start_main_~k~5 129), 68891#(<= ULTIMATE.start_main_~k~5 132), 68890#(<= ULTIMATE.start_main_~k~5 131), 68893#(<= ULTIMATE.start_main_~k~5 134), 68892#(<= ULTIMATE.start_main_~k~5 133), 68895#(<= ULTIMATE.start_main_~k~5 136), 68894#(<= ULTIMATE.start_main_~k~5 135), 68897#(<= ULTIMATE.start_main_~k~5 138), 68896#(<= ULTIMATE.start_main_~k~5 137), 68899#(<= ULTIMATE.start_main_~k~5 140), 68898#(<= ULTIMATE.start_main_~k~5 139), 68901#(<= ULTIMATE.start_main_~k~5 142), 68900#(<= ULTIMATE.start_main_~k~5 141), 68903#(<= ULTIMATE.start_main_~k~5 144), 68902#(<= ULTIMATE.start_main_~k~5 143), 68905#(<= ULTIMATE.start_main_~k~5 146), 68904#(<= ULTIMATE.start_main_~k~5 145), 68907#(<= ULTIMATE.start_main_~k~5 148), 68906#(<= ULTIMATE.start_main_~k~5 147), 68909#(<= ULTIMATE.start_main_~k~5 150), 68908#(<= ULTIMATE.start_main_~k~5 149), 68911#(<= ULTIMATE.start_main_~k~5 152), 68910#(<= ULTIMATE.start_main_~k~5 151), 68913#(<= ULTIMATE.start_main_~k~5 154), 68912#(<= ULTIMATE.start_main_~k~5 153), 68915#(<= ULTIMATE.start_main_~k~5 156), 68914#(<= ULTIMATE.start_main_~k~5 155), 68917#(<= ULTIMATE.start_main_~k~5 158), 68916#(<= ULTIMATE.start_main_~k~5 157), 68919#(<= ULTIMATE.start_main_~k~5 160), 68918#(<= ULTIMATE.start_main_~k~5 159), 68920#(<= ULTIMATE.start_main_~k~5 161), 68757#true, 68759#(<= ULTIMATE.start_main_~k~5 0), 68758#false, 68761#(<= ULTIMATE.start_main_~k~5 2), 68760#(<= ULTIMATE.start_main_~k~5 1), 68763#(<= ULTIMATE.start_main_~k~5 4), 68762#(<= ULTIMATE.start_main_~k~5 3), 68765#(<= ULTIMATE.start_main_~k~5 6), 68764#(<= ULTIMATE.start_main_~k~5 5), 68767#(<= ULTIMATE.start_main_~k~5 8), 68766#(<= ULTIMATE.start_main_~k~5 7), 68769#(<= ULTIMATE.start_main_~k~5 10), 68768#(<= ULTIMATE.start_main_~k~5 9), 68771#(<= ULTIMATE.start_main_~k~5 12), 68770#(<= ULTIMATE.start_main_~k~5 11), 68773#(<= ULTIMATE.start_main_~k~5 14), 68772#(<= ULTIMATE.start_main_~k~5 13), 68775#(<= ULTIMATE.start_main_~k~5 16), 68774#(<= ULTIMATE.start_main_~k~5 15), 68777#(<= ULTIMATE.start_main_~k~5 18), 68776#(<= ULTIMATE.start_main_~k~5 17), 68779#(<= ULTIMATE.start_main_~k~5 20), 68778#(<= ULTIMATE.start_main_~k~5 19), 68781#(<= ULTIMATE.start_main_~k~5 22), 68780#(<= ULTIMATE.start_main_~k~5 21), 68783#(<= ULTIMATE.start_main_~k~5 24), 68782#(<= ULTIMATE.start_main_~k~5 23), 68785#(<= ULTIMATE.start_main_~k~5 26), 68784#(<= ULTIMATE.start_main_~k~5 25), 68787#(<= ULTIMATE.start_main_~k~5 28), 68786#(<= ULTIMATE.start_main_~k~5 27), 68789#(<= ULTIMATE.start_main_~k~5 30), 68788#(<= ULTIMATE.start_main_~k~5 29), 68791#(<= ULTIMATE.start_main_~k~5 32), 68790#(<= ULTIMATE.start_main_~k~5 31), 68793#(<= ULTIMATE.start_main_~k~5 34), 68792#(<= ULTIMATE.start_main_~k~5 33), 68795#(<= ULTIMATE.start_main_~k~5 36), 68794#(<= ULTIMATE.start_main_~k~5 35), 68797#(<= ULTIMATE.start_main_~k~5 38), 68796#(<= ULTIMATE.start_main_~k~5 37), 68799#(<= ULTIMATE.start_main_~k~5 40), 68798#(<= ULTIMATE.start_main_~k~5 39), 68801#(<= ULTIMATE.start_main_~k~5 42), 68800#(<= ULTIMATE.start_main_~k~5 41), 68803#(<= ULTIMATE.start_main_~k~5 44), 68802#(<= ULTIMATE.start_main_~k~5 43), 68805#(<= ULTIMATE.start_main_~k~5 46), 68804#(<= ULTIMATE.start_main_~k~5 45), 68807#(<= ULTIMATE.start_main_~k~5 48), 68806#(<= ULTIMATE.start_main_~k~5 47), 68809#(<= ULTIMATE.start_main_~k~5 50), 68808#(<= ULTIMATE.start_main_~k~5 49), 68811#(<= ULTIMATE.start_main_~k~5 52), 68810#(<= ULTIMATE.start_main_~k~5 51), 68813#(<= ULTIMATE.start_main_~k~5 54), 68812#(<= ULTIMATE.start_main_~k~5 53), 68815#(<= ULTIMATE.start_main_~k~5 56), 68814#(<= ULTIMATE.start_main_~k~5 55), 68817#(<= ULTIMATE.start_main_~k~5 58), 68816#(<= ULTIMATE.start_main_~k~5 57), 68819#(<= ULTIMATE.start_main_~k~5 60), 68818#(<= ULTIMATE.start_main_~k~5 59), 68821#(<= ULTIMATE.start_main_~k~5 62), 68820#(<= ULTIMATE.start_main_~k~5 61), 68823#(<= ULTIMATE.start_main_~k~5 64), 68822#(<= ULTIMATE.start_main_~k~5 63), 68825#(<= ULTIMATE.start_main_~k~5 66), 68824#(<= ULTIMATE.start_main_~k~5 65), 68827#(<= ULTIMATE.start_main_~k~5 68), 68826#(<= ULTIMATE.start_main_~k~5 67), 68829#(<= ULTIMATE.start_main_~k~5 70), 68828#(<= ULTIMATE.start_main_~k~5 69), 68831#(<= ULTIMATE.start_main_~k~5 72), 68830#(<= ULTIMATE.start_main_~k~5 71), 68833#(<= ULTIMATE.start_main_~k~5 74), 68832#(<= ULTIMATE.start_main_~k~5 73), 68835#(<= ULTIMATE.start_main_~k~5 76), 68834#(<= ULTIMATE.start_main_~k~5 75), 68837#(<= ULTIMATE.start_main_~k~5 78), 68836#(<= ULTIMATE.start_main_~k~5 77), 68839#(<= ULTIMATE.start_main_~k~5 80), 68838#(<= ULTIMATE.start_main_~k~5 79), 68841#(<= ULTIMATE.start_main_~k~5 82), 68840#(<= ULTIMATE.start_main_~k~5 81), 68843#(<= ULTIMATE.start_main_~k~5 84), 68842#(<= ULTIMATE.start_main_~k~5 83), 68845#(<= ULTIMATE.start_main_~k~5 86), 68844#(<= ULTIMATE.start_main_~k~5 85), 68847#(<= ULTIMATE.start_main_~k~5 88), 68846#(<= ULTIMATE.start_main_~k~5 87), 68849#(<= ULTIMATE.start_main_~k~5 90), 68848#(<= ULTIMATE.start_main_~k~5 89), 68851#(<= ULTIMATE.start_main_~k~5 92), 68850#(<= ULTIMATE.start_main_~k~5 91), 68853#(<= ULTIMATE.start_main_~k~5 94), 68852#(<= ULTIMATE.start_main_~k~5 93), 68855#(<= ULTIMATE.start_main_~k~5 96), 68854#(<= ULTIMATE.start_main_~k~5 95), 68857#(<= ULTIMATE.start_main_~k~5 98), 68856#(<= ULTIMATE.start_main_~k~5 97), 68859#(<= ULTIMATE.start_main_~k~5 100), 68858#(<= ULTIMATE.start_main_~k~5 99), 68861#(<= ULTIMATE.start_main_~k~5 102), 68860#(<= ULTIMATE.start_main_~k~5 101), 68863#(<= ULTIMATE.start_main_~k~5 104), 68862#(<= ULTIMATE.start_main_~k~5 103)] [2018-07-23 13:41:48,595 INFO L134 CoverageAnalysis]: Checked inductivity of 13041 backedges. 0 proven. 13041 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2018-07-23 13:41:48,595 INFO L450 AbstractCegarLoop]: Interpolant automaton has 164 states [2018-07-23 13:41:48,596 INFO L132 InterpolantAutomaton]: Constructing interpolant automaton starting with 164 interpolants. [2018-07-23 13:41:48,598 INFO L133 InterpolantAutomaton]: CoverageRelationStatistics Valid=13366, Invalid=13366, Unknown=0, NotChecked=0, Total=26732 [2018-07-23 13:41:48,598 INFO L87 Difference]: Start difference. First operand 165 states and 165 transitions. Second operand 164 states. [2018-07-23 13:41:48,763 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2018-07-23 13:41:48,763 INFO L93 Difference]: Finished difference Result 168 states and 168 transitions. [2018-07-23 13:41:48,764 INFO L142 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 164 states. [2018-07-23 13:41:48,764 INFO L78 Accepts]: Start accepts. Automaton has 164 states. Word has length 164 [2018-07-23 13:41:48,764 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2018-07-23 13:41:48,764 INFO L225 Difference]: With dead ends: 168 [2018-07-23 13:41:48,764 INFO L226 Difference]: Without dead ends: 166 [2018-07-23 13:41:48,765 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 13:41:48,766 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 166 states. [2018-07-23 13:41:48,767 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 166 to 166. [2018-07-23 13:41:48,767 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 166 states. [2018-07-23 13:41:48,767 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 166 states to 166 states and 166 transitions. [2018-07-23 13:41:48,768 INFO L78 Accepts]: Start accepts. Automaton has 166 states and 166 transitions. Word has length 164 [2018-07-23 13:41:48,768 INFO L84 Accepts]: Finished accepts. word is rejected. [2018-07-23 13:41:48,768 INFO L471 AbstractCegarLoop]: Abstraction has 166 states and 166 transitions. [2018-07-23 13:41:48,768 INFO L472 AbstractCegarLoop]: Interpolant automaton has 164 states. [2018-07-23 13:41:48,768 INFO L276 IsEmpty]: Start isEmpty. Operand 166 states and 166 transitions. [2018-07-23 13:41:48,768 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 166 [2018-07-23 13:41:48,768 INFO L349 BasicCegarLoop]: Found error trace [2018-07-23 13:41:48,768 INFO L357 BasicCegarLoop]: trace histogram [162, 1, 1, 1] [2018-07-23 13:41:48,769 INFO L414 AbstractCegarLoop]: === Iteration 163 === [ULTIMATE.startErr0AssertViolationASSERT]=== [2018-07-23 13:41:48,769 INFO L82 PathProgramCache]: Analyzing trace with hash -621709279, now seen corresponding path program 162 times [2018-07-23 13:41:48,769 INFO L69 tionRefinementEngine]: Using refinement strategy FixedRefinementStrategy [2018-07-23 13:41:48,824 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-07-23 13:41:49,527 INFO L134 CoverageAnalysis]: Checked inductivity of 13203 backedges. 0 proven. 13203 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2018-07-23 13:41:49,527 INFO L309 seRefinementStrategy]: Constructing automaton from 0 perfect and 1 imperfect interpolant sequences. [2018-07-23 13:41:49,528 INFO L324 seRefinementStrategy]: Number of different interpolants: perfect sequences [] imperfect sequences [164] total 164 [2018-07-23 13:41:49,528 INFO L142 lantAutomatonBuilder]: Constructing canonical interpolant automaton, with selfloop in false state [2018-07-23 13:41:49,528 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2018-07-23 13:41:49,528 INFO L185 omatonBuilderFactory]: Interpolants [69633#(<= ULTIMATE.start_main_~k~5 42), 69632#(<= ULTIMATE.start_main_~k~5 41), 69635#(<= ULTIMATE.start_main_~k~5 44), 69634#(<= ULTIMATE.start_main_~k~5 43), 69637#(<= ULTIMATE.start_main_~k~5 46), 69636#(<= ULTIMATE.start_main_~k~5 45), 69639#(<= ULTIMATE.start_main_~k~5 48), 69638#(<= ULTIMATE.start_main_~k~5 47), 69641#(<= ULTIMATE.start_main_~k~5 50), 69640#(<= ULTIMATE.start_main_~k~5 49), 69643#(<= ULTIMATE.start_main_~k~5 52), 69642#(<= ULTIMATE.start_main_~k~5 51), 69645#(<= ULTIMATE.start_main_~k~5 54), 69644#(<= ULTIMATE.start_main_~k~5 53), 69647#(<= ULTIMATE.start_main_~k~5 56), 69646#(<= ULTIMATE.start_main_~k~5 55), 69649#(<= ULTIMATE.start_main_~k~5 58), 69648#(<= ULTIMATE.start_main_~k~5 57), 69651#(<= ULTIMATE.start_main_~k~5 60), 69650#(<= ULTIMATE.start_main_~k~5 59), 69653#(<= ULTIMATE.start_main_~k~5 62), 69652#(<= ULTIMATE.start_main_~k~5 61), 69655#(<= ULTIMATE.start_main_~k~5 64), 69654#(<= ULTIMATE.start_main_~k~5 63), 69657#(<= ULTIMATE.start_main_~k~5 66), 69656#(<= ULTIMATE.start_main_~k~5 65), 69659#(<= ULTIMATE.start_main_~k~5 68), 69658#(<= ULTIMATE.start_main_~k~5 67), 69661#(<= ULTIMATE.start_main_~k~5 70), 69660#(<= ULTIMATE.start_main_~k~5 69), 69663#(<= ULTIMATE.start_main_~k~5 72), 69662#(<= ULTIMATE.start_main_~k~5 71), 69665#(<= ULTIMATE.start_main_~k~5 74), 69664#(<= ULTIMATE.start_main_~k~5 73), 69667#(<= ULTIMATE.start_main_~k~5 76), 69666#(<= ULTIMATE.start_main_~k~5 75), 69669#(<= ULTIMATE.start_main_~k~5 78), 69668#(<= ULTIMATE.start_main_~k~5 77), 69671#(<= ULTIMATE.start_main_~k~5 80), 69670#(<= ULTIMATE.start_main_~k~5 79), 69673#(<= ULTIMATE.start_main_~k~5 82), 69672#(<= ULTIMATE.start_main_~k~5 81), 69675#(<= ULTIMATE.start_main_~k~5 84), 69674#(<= ULTIMATE.start_main_~k~5 83), 69677#(<= ULTIMATE.start_main_~k~5 86), 69676#(<= ULTIMATE.start_main_~k~5 85), 69679#(<= ULTIMATE.start_main_~k~5 88), 69678#(<= ULTIMATE.start_main_~k~5 87), 69681#(<= ULTIMATE.start_main_~k~5 90), 69680#(<= ULTIMATE.start_main_~k~5 89), 69683#(<= ULTIMATE.start_main_~k~5 92), 69682#(<= ULTIMATE.start_main_~k~5 91), 69685#(<= ULTIMATE.start_main_~k~5 94), 69684#(<= ULTIMATE.start_main_~k~5 93), 69687#(<= ULTIMATE.start_main_~k~5 96), 69686#(<= ULTIMATE.start_main_~k~5 95), 69689#(<= ULTIMATE.start_main_~k~5 98), 69688#(<= ULTIMATE.start_main_~k~5 97), 69691#(<= ULTIMATE.start_main_~k~5 100), 69690#(<= ULTIMATE.start_main_~k~5 99), 69693#(<= ULTIMATE.start_main_~k~5 102), 69692#(<= ULTIMATE.start_main_~k~5 101), 69695#(<= ULTIMATE.start_main_~k~5 104), 69694#(<= ULTIMATE.start_main_~k~5 103), 69697#(<= ULTIMATE.start_main_~k~5 106), 69696#(<= ULTIMATE.start_main_~k~5 105), 69699#(<= ULTIMATE.start_main_~k~5 108), 69698#(<= ULTIMATE.start_main_~k~5 107), 69701#(<= ULTIMATE.start_main_~k~5 110), 69700#(<= ULTIMATE.start_main_~k~5 109), 69703#(<= ULTIMATE.start_main_~k~5 112), 69702#(<= ULTIMATE.start_main_~k~5 111), 69705#(<= ULTIMATE.start_main_~k~5 114), 69704#(<= ULTIMATE.start_main_~k~5 113), 69707#(<= ULTIMATE.start_main_~k~5 116), 69706#(<= ULTIMATE.start_main_~k~5 115), 69709#(<= ULTIMATE.start_main_~k~5 118), 69708#(<= ULTIMATE.start_main_~k~5 117), 69711#(<= ULTIMATE.start_main_~k~5 120), 69710#(<= ULTIMATE.start_main_~k~5 119), 69713#(<= ULTIMATE.start_main_~k~5 122), 69712#(<= ULTIMATE.start_main_~k~5 121), 69715#(<= ULTIMATE.start_main_~k~5 124), 69714#(<= ULTIMATE.start_main_~k~5 123), 69717#(<= ULTIMATE.start_main_~k~5 126), 69716#(<= ULTIMATE.start_main_~k~5 125), 69719#(<= ULTIMATE.start_main_~k~5 128), 69718#(<= ULTIMATE.start_main_~k~5 127), 69721#(<= ULTIMATE.start_main_~k~5 130), 69720#(<= ULTIMATE.start_main_~k~5 129), 69723#(<= ULTIMATE.start_main_~k~5 132), 69722#(<= ULTIMATE.start_main_~k~5 131), 69725#(<= ULTIMATE.start_main_~k~5 134), 69724#(<= ULTIMATE.start_main_~k~5 133), 69727#(<= ULTIMATE.start_main_~k~5 136), 69726#(<= ULTIMATE.start_main_~k~5 135), 69729#(<= ULTIMATE.start_main_~k~5 138), 69728#(<= ULTIMATE.start_main_~k~5 137), 69731#(<= ULTIMATE.start_main_~k~5 140), 69730#(<= ULTIMATE.start_main_~k~5 139), 69733#(<= ULTIMATE.start_main_~k~5 142), 69732#(<= ULTIMATE.start_main_~k~5 141), 69735#(<= ULTIMATE.start_main_~k~5 144), 69734#(<= ULTIMATE.start_main_~k~5 143), 69737#(<= ULTIMATE.start_main_~k~5 146), 69736#(<= ULTIMATE.start_main_~k~5 145), 69739#(<= ULTIMATE.start_main_~k~5 148), 69738#(<= ULTIMATE.start_main_~k~5 147), 69741#(<= ULTIMATE.start_main_~k~5 150), 69740#(<= ULTIMATE.start_main_~k~5 149), 69743#(<= ULTIMATE.start_main_~k~5 152), 69742#(<= ULTIMATE.start_main_~k~5 151), 69745#(<= ULTIMATE.start_main_~k~5 154), 69744#(<= ULTIMATE.start_main_~k~5 153), 69747#(<= ULTIMATE.start_main_~k~5 156), 69746#(<= ULTIMATE.start_main_~k~5 155), 69749#(<= ULTIMATE.start_main_~k~5 158), 69748#(<= ULTIMATE.start_main_~k~5 157), 69751#(<= ULTIMATE.start_main_~k~5 160), 69750#(<= ULTIMATE.start_main_~k~5 159), 69753#(<= ULTIMATE.start_main_~k~5 162), 69752#(<= ULTIMATE.start_main_~k~5 161), 69589#true, 69591#(<= ULTIMATE.start_main_~k~5 0), 69590#false, 69593#(<= ULTIMATE.start_main_~k~5 2), 69592#(<= ULTIMATE.start_main_~k~5 1), 69595#(<= ULTIMATE.start_main_~k~5 4), 69594#(<= ULTIMATE.start_main_~k~5 3), 69597#(<= ULTIMATE.start_main_~k~5 6), 69596#(<= ULTIMATE.start_main_~k~5 5), 69599#(<= ULTIMATE.start_main_~k~5 8), 69598#(<= ULTIMATE.start_main_~k~5 7), 69601#(<= ULTIMATE.start_main_~k~5 10), 69600#(<= ULTIMATE.start_main_~k~5 9), 69603#(<= ULTIMATE.start_main_~k~5 12), 69602#(<= ULTIMATE.start_main_~k~5 11), 69605#(<= ULTIMATE.start_main_~k~5 14), 69604#(<= ULTIMATE.start_main_~k~5 13), 69607#(<= ULTIMATE.start_main_~k~5 16), 69606#(<= ULTIMATE.start_main_~k~5 15), 69609#(<= ULTIMATE.start_main_~k~5 18), 69608#(<= ULTIMATE.start_main_~k~5 17), 69611#(<= ULTIMATE.start_main_~k~5 20), 69610#(<= ULTIMATE.start_main_~k~5 19), 69613#(<= ULTIMATE.start_main_~k~5 22), 69612#(<= ULTIMATE.start_main_~k~5 21), 69615#(<= ULTIMATE.start_main_~k~5 24), 69614#(<= ULTIMATE.start_main_~k~5 23), 69617#(<= ULTIMATE.start_main_~k~5 26), 69616#(<= ULTIMATE.start_main_~k~5 25), 69619#(<= ULTIMATE.start_main_~k~5 28), 69618#(<= ULTIMATE.start_main_~k~5 27), 69621#(<= ULTIMATE.start_main_~k~5 30), 69620#(<= ULTIMATE.start_main_~k~5 29), 69623#(<= ULTIMATE.start_main_~k~5 32), 69622#(<= ULTIMATE.start_main_~k~5 31), 69625#(<= ULTIMATE.start_main_~k~5 34), 69624#(<= ULTIMATE.start_main_~k~5 33), 69627#(<= ULTIMATE.start_main_~k~5 36), 69626#(<= ULTIMATE.start_main_~k~5 35), 69629#(<= ULTIMATE.start_main_~k~5 38), 69628#(<= ULTIMATE.start_main_~k~5 37), 69631#(<= ULTIMATE.start_main_~k~5 40), 69630#(<= ULTIMATE.start_main_~k~5 39)] [2018-07-23 13:41:49,529 INFO L134 CoverageAnalysis]: Checked inductivity of 13203 backedges. 0 proven. 13203 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2018-07-23 13:41:49,529 INFO L450 AbstractCegarLoop]: Interpolant automaton has 165 states [2018-07-23 13:41:49,530 INFO L132 InterpolantAutomaton]: Constructing interpolant automaton starting with 165 interpolants. [2018-07-23 13:41:49,531 INFO L133 InterpolantAutomaton]: CoverageRelationStatistics Valid=13530, Invalid=13530, Unknown=0, NotChecked=0, Total=27060 [2018-07-23 13:41:49,531 INFO L87 Difference]: Start difference. First operand 166 states and 166 transitions. Second operand 165 states. [2018-07-23 13:41:49,847 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2018-07-23 13:41:49,848 INFO L93 Difference]: Finished difference Result 169 states and 169 transitions. [2018-07-23 13:41:49,848 INFO L142 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 165 states. [2018-07-23 13:41:49,848 INFO L78 Accepts]: Start accepts. Automaton has 165 states. Word has length 165 [2018-07-23 13:41:49,848 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2018-07-23 13:41:49,848 INFO L225 Difference]: With dead ends: 169 [2018-07-23 13:41:49,848 INFO L226 Difference]: Without dead ends: 167 [2018-07-23 13:41:49,849 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 13:41:49,849 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 167 states. [2018-07-23 13:41:49,851 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 167 to 167. [2018-07-23 13:41:49,851 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 167 states. [2018-07-23 13:41:49,851 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 167 states to 167 states and 167 transitions. [2018-07-23 13:41:49,851 INFO L78 Accepts]: Start accepts. Automaton has 167 states and 167 transitions. Word has length 165 [2018-07-23 13:41:49,852 INFO L84 Accepts]: Finished accepts. word is rejected. [2018-07-23 13:41:49,852 INFO L471 AbstractCegarLoop]: Abstraction has 167 states and 167 transitions. [2018-07-23 13:41:49,852 INFO L472 AbstractCegarLoop]: Interpolant automaton has 165 states. [2018-07-23 13:41:49,852 INFO L276 IsEmpty]: Start isEmpty. Operand 167 states and 167 transitions. [2018-07-23 13:41:49,852 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 167 [2018-07-23 13:41:49,852 INFO L349 BasicCegarLoop]: Found error trace [2018-07-23 13:41:49,852 INFO L357 BasicCegarLoop]: trace histogram [163, 1, 1, 1] [2018-07-23 13:41:49,852 INFO L414 AbstractCegarLoop]: === Iteration 164 === [ULTIMATE.startErr0AssertViolationASSERT]=== [2018-07-23 13:41:49,852 INFO L82 PathProgramCache]: Analyzing trace with hash -2093120440, now seen corresponding path program 163 times [2018-07-23 13:41:49,853 INFO L69 tionRefinementEngine]: Using refinement strategy FixedRefinementStrategy [2018-07-23 13:41:49,904 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-07-23 13:41:50,505 INFO L134 CoverageAnalysis]: Checked inductivity of 13366 backedges. 0 proven. 13366 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2018-07-23 13:41:50,506 INFO L309 seRefinementStrategy]: Constructing automaton from 0 perfect and 1 imperfect interpolant sequences. [2018-07-23 13:41:50,506 INFO L324 seRefinementStrategy]: Number of different interpolants: perfect sequences [] imperfect sequences [165] total 165 [2018-07-23 13:41:50,506 INFO L142 lantAutomatonBuilder]: Constructing canonical interpolant automaton, with selfloop in false state [2018-07-23 13:41:50,506 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2018-07-23 13:41:50,506 INFO L185 omatonBuilderFactory]: Interpolants [70427#false, 70426#true, 70429#(<= ULTIMATE.start_main_~k~5 1), 70428#(<= ULTIMATE.start_main_~k~5 0), 70431#(<= ULTIMATE.start_main_~k~5 3), 70430#(<= ULTIMATE.start_main_~k~5 2), 70433#(<= ULTIMATE.start_main_~k~5 5), 70432#(<= ULTIMATE.start_main_~k~5 4), 70435#(<= ULTIMATE.start_main_~k~5 7), 70434#(<= ULTIMATE.start_main_~k~5 6), 70437#(<= ULTIMATE.start_main_~k~5 9), 70436#(<= ULTIMATE.start_main_~k~5 8), 70439#(<= ULTIMATE.start_main_~k~5 11), 70438#(<= ULTIMATE.start_main_~k~5 10), 70441#(<= ULTIMATE.start_main_~k~5 13), 70440#(<= ULTIMATE.start_main_~k~5 12), 70443#(<= ULTIMATE.start_main_~k~5 15), 70442#(<= ULTIMATE.start_main_~k~5 14), 70445#(<= ULTIMATE.start_main_~k~5 17), 70444#(<= ULTIMATE.start_main_~k~5 16), 70447#(<= ULTIMATE.start_main_~k~5 19), 70446#(<= ULTIMATE.start_main_~k~5 18), 70449#(<= ULTIMATE.start_main_~k~5 21), 70448#(<= ULTIMATE.start_main_~k~5 20), 70451#(<= ULTIMATE.start_main_~k~5 23), 70450#(<= ULTIMATE.start_main_~k~5 22), 70453#(<= ULTIMATE.start_main_~k~5 25), 70452#(<= ULTIMATE.start_main_~k~5 24), 70455#(<= ULTIMATE.start_main_~k~5 27), 70454#(<= ULTIMATE.start_main_~k~5 26), 70457#(<= ULTIMATE.start_main_~k~5 29), 70456#(<= ULTIMATE.start_main_~k~5 28), 70459#(<= ULTIMATE.start_main_~k~5 31), 70458#(<= ULTIMATE.start_main_~k~5 30), 70461#(<= ULTIMATE.start_main_~k~5 33), 70460#(<= ULTIMATE.start_main_~k~5 32), 70463#(<= ULTIMATE.start_main_~k~5 35), 70462#(<= ULTIMATE.start_main_~k~5 34), 70465#(<= ULTIMATE.start_main_~k~5 37), 70464#(<= ULTIMATE.start_main_~k~5 36), 70467#(<= ULTIMATE.start_main_~k~5 39), 70466#(<= ULTIMATE.start_main_~k~5 38), 70469#(<= ULTIMATE.start_main_~k~5 41), 70468#(<= ULTIMATE.start_main_~k~5 40), 70471#(<= ULTIMATE.start_main_~k~5 43), 70470#(<= ULTIMATE.start_main_~k~5 42), 70473#(<= ULTIMATE.start_main_~k~5 45), 70472#(<= ULTIMATE.start_main_~k~5 44), 70475#(<= ULTIMATE.start_main_~k~5 47), 70474#(<= ULTIMATE.start_main_~k~5 46), 70477#(<= ULTIMATE.start_main_~k~5 49), 70476#(<= ULTIMATE.start_main_~k~5 48), 70479#(<= ULTIMATE.start_main_~k~5 51), 70478#(<= ULTIMATE.start_main_~k~5 50), 70481#(<= ULTIMATE.start_main_~k~5 53), 70480#(<= ULTIMATE.start_main_~k~5 52), 70483#(<= ULTIMATE.start_main_~k~5 55), 70482#(<= ULTIMATE.start_main_~k~5 54), 70485#(<= ULTIMATE.start_main_~k~5 57), 70484#(<= ULTIMATE.start_main_~k~5 56), 70487#(<= ULTIMATE.start_main_~k~5 59), 70486#(<= ULTIMATE.start_main_~k~5 58), 70489#(<= ULTIMATE.start_main_~k~5 61), 70488#(<= ULTIMATE.start_main_~k~5 60), 70491#(<= ULTIMATE.start_main_~k~5 63), 70490#(<= ULTIMATE.start_main_~k~5 62), 70493#(<= ULTIMATE.start_main_~k~5 65), 70492#(<= ULTIMATE.start_main_~k~5 64), 70495#(<= ULTIMATE.start_main_~k~5 67), 70494#(<= ULTIMATE.start_main_~k~5 66), 70497#(<= ULTIMATE.start_main_~k~5 69), 70496#(<= ULTIMATE.start_main_~k~5 68), 70499#(<= ULTIMATE.start_main_~k~5 71), 70498#(<= ULTIMATE.start_main_~k~5 70), 70501#(<= ULTIMATE.start_main_~k~5 73), 70500#(<= ULTIMATE.start_main_~k~5 72), 70503#(<= ULTIMATE.start_main_~k~5 75), 70502#(<= ULTIMATE.start_main_~k~5 74), 70505#(<= ULTIMATE.start_main_~k~5 77), 70504#(<= ULTIMATE.start_main_~k~5 76), 70507#(<= ULTIMATE.start_main_~k~5 79), 70506#(<= ULTIMATE.start_main_~k~5 78), 70509#(<= ULTIMATE.start_main_~k~5 81), 70508#(<= ULTIMATE.start_main_~k~5 80), 70511#(<= ULTIMATE.start_main_~k~5 83), 70510#(<= ULTIMATE.start_main_~k~5 82), 70513#(<= ULTIMATE.start_main_~k~5 85), 70512#(<= ULTIMATE.start_main_~k~5 84), 70515#(<= ULTIMATE.start_main_~k~5 87), 70514#(<= ULTIMATE.start_main_~k~5 86), 70517#(<= ULTIMATE.start_main_~k~5 89), 70516#(<= ULTIMATE.start_main_~k~5 88), 70519#(<= ULTIMATE.start_main_~k~5 91), 70518#(<= ULTIMATE.start_main_~k~5 90), 70521#(<= ULTIMATE.start_main_~k~5 93), 70520#(<= ULTIMATE.start_main_~k~5 92), 70523#(<= ULTIMATE.start_main_~k~5 95), 70522#(<= ULTIMATE.start_main_~k~5 94), 70525#(<= ULTIMATE.start_main_~k~5 97), 70524#(<= ULTIMATE.start_main_~k~5 96), 70527#(<= ULTIMATE.start_main_~k~5 99), 70526#(<= ULTIMATE.start_main_~k~5 98), 70529#(<= ULTIMATE.start_main_~k~5 101), 70528#(<= ULTIMATE.start_main_~k~5 100), 70531#(<= ULTIMATE.start_main_~k~5 103), 70530#(<= ULTIMATE.start_main_~k~5 102), 70533#(<= ULTIMATE.start_main_~k~5 105), 70532#(<= ULTIMATE.start_main_~k~5 104), 70535#(<= ULTIMATE.start_main_~k~5 107), 70534#(<= ULTIMATE.start_main_~k~5 106), 70537#(<= ULTIMATE.start_main_~k~5 109), 70536#(<= ULTIMATE.start_main_~k~5 108), 70539#(<= ULTIMATE.start_main_~k~5 111), 70538#(<= ULTIMATE.start_main_~k~5 110), 70541#(<= ULTIMATE.start_main_~k~5 113), 70540#(<= ULTIMATE.start_main_~k~5 112), 70543#(<= ULTIMATE.start_main_~k~5 115), 70542#(<= ULTIMATE.start_main_~k~5 114), 70545#(<= ULTIMATE.start_main_~k~5 117), 70544#(<= ULTIMATE.start_main_~k~5 116), 70547#(<= ULTIMATE.start_main_~k~5 119), 70546#(<= ULTIMATE.start_main_~k~5 118), 70549#(<= ULTIMATE.start_main_~k~5 121), 70548#(<= ULTIMATE.start_main_~k~5 120), 70551#(<= ULTIMATE.start_main_~k~5 123), 70550#(<= ULTIMATE.start_main_~k~5 122), 70553#(<= ULTIMATE.start_main_~k~5 125), 70552#(<= ULTIMATE.start_main_~k~5 124), 70555#(<= ULTIMATE.start_main_~k~5 127), 70554#(<= ULTIMATE.start_main_~k~5 126), 70557#(<= ULTIMATE.start_main_~k~5 129), 70556#(<= ULTIMATE.start_main_~k~5 128), 70559#(<= ULTIMATE.start_main_~k~5 131), 70558#(<= ULTIMATE.start_main_~k~5 130), 70561#(<= ULTIMATE.start_main_~k~5 133), 70560#(<= ULTIMATE.start_main_~k~5 132), 70563#(<= ULTIMATE.start_main_~k~5 135), 70562#(<= ULTIMATE.start_main_~k~5 134), 70565#(<= ULTIMATE.start_main_~k~5 137), 70564#(<= ULTIMATE.start_main_~k~5 136), 70567#(<= ULTIMATE.start_main_~k~5 139), 70566#(<= ULTIMATE.start_main_~k~5 138), 70569#(<= ULTIMATE.start_main_~k~5 141), 70568#(<= ULTIMATE.start_main_~k~5 140), 70571#(<= ULTIMATE.start_main_~k~5 143), 70570#(<= ULTIMATE.start_main_~k~5 142), 70573#(<= ULTIMATE.start_main_~k~5 145), 70572#(<= ULTIMATE.start_main_~k~5 144), 70575#(<= ULTIMATE.start_main_~k~5 147), 70574#(<= ULTIMATE.start_main_~k~5 146), 70577#(<= ULTIMATE.start_main_~k~5 149), 70576#(<= ULTIMATE.start_main_~k~5 148), 70579#(<= ULTIMATE.start_main_~k~5 151), 70578#(<= ULTIMATE.start_main_~k~5 150), 70581#(<= ULTIMATE.start_main_~k~5 153), 70580#(<= ULTIMATE.start_main_~k~5 152), 70583#(<= ULTIMATE.start_main_~k~5 155), 70582#(<= ULTIMATE.start_main_~k~5 154), 70585#(<= ULTIMATE.start_main_~k~5 157), 70584#(<= ULTIMATE.start_main_~k~5 156), 70587#(<= ULTIMATE.start_main_~k~5 159), 70586#(<= ULTIMATE.start_main_~k~5 158), 70589#(<= ULTIMATE.start_main_~k~5 161), 70588#(<= ULTIMATE.start_main_~k~5 160), 70591#(<= ULTIMATE.start_main_~k~5 163), 70590#(<= ULTIMATE.start_main_~k~5 162)] [2018-07-23 13:41:50,507 INFO L134 CoverageAnalysis]: Checked inductivity of 13366 backedges. 0 proven. 13366 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2018-07-23 13:41:50,507 INFO L450 AbstractCegarLoop]: Interpolant automaton has 166 states [2018-07-23 13:41:50,509 INFO L132 InterpolantAutomaton]: Constructing interpolant automaton starting with 166 interpolants. [2018-07-23 13:41:50,509 INFO L133 InterpolantAutomaton]: CoverageRelationStatistics Valid=13695, Invalid=13695, Unknown=0, NotChecked=0, Total=27390 [2018-07-23 13:41:50,510 INFO L87 Difference]: Start difference. First operand 167 states and 167 transitions. Second operand 166 states. [2018-07-23 13:41:51,017 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2018-07-23 13:41:51,017 INFO L93 Difference]: Finished difference Result 170 states and 170 transitions. [2018-07-23 13:41:51,017 INFO L142 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 166 states. [2018-07-23 13:41:51,017 INFO L78 Accepts]: Start accepts. Automaton has 166 states. Word has length 166 [2018-07-23 13:41:51,017 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2018-07-23 13:41:51,018 INFO L225 Difference]: With dead ends: 170 [2018-07-23 13:41:51,018 INFO L226 Difference]: Without dead ends: 168 [2018-07-23 13:41:51,019 INFO L575 BasicCegarLoop]: 0 DeclaredPredicates, 165 GetRequests, 1 SyntacticMatches, 0 SemanticMatches, 164 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 0 ImplicationChecksByTransitivity, 0.5s TimeCoverageRelationStatistics Valid=13695, Invalid=13695, Unknown=0, NotChecked=0, Total=27390 [2018-07-23 13:41:51,019 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 168 states. [2018-07-23 13:41:51,021 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 168 to 168. [2018-07-23 13:41:51,021 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 168 states. [2018-07-23 13:41:51,021 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 168 states to 168 states and 168 transitions. [2018-07-23 13:41:51,021 INFO L78 Accepts]: Start accepts. Automaton has 168 states and 168 transitions. Word has length 166 [2018-07-23 13:41:51,021 INFO L84 Accepts]: Finished accepts. word is rejected. [2018-07-23 13:41:51,021 INFO L471 AbstractCegarLoop]: Abstraction has 168 states and 168 transitions. [2018-07-23 13:41:51,022 INFO L472 AbstractCegarLoop]: Interpolant automaton has 166 states. [2018-07-23 13:41:51,022 INFO L276 IsEmpty]: Start isEmpty. Operand 168 states and 168 transitions. [2018-07-23 13:41:51,022 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 168 [2018-07-23 13:41:51,022 INFO L349 BasicCegarLoop]: Found error trace [2018-07-23 13:41:51,022 INFO L357 BasicCegarLoop]: trace histogram [164, 1, 1, 1] [2018-07-23 13:41:51,022 INFO L414 AbstractCegarLoop]: === Iteration 165 === [ULTIMATE.startErr0AssertViolationASSERT]=== [2018-07-23 13:41:51,022 INFO L82 PathProgramCache]: Analyzing trace with hash -462226175, now seen corresponding path program 164 times [2018-07-23 13:41:51,022 INFO L69 tionRefinementEngine]: Using refinement strategy FixedRefinementStrategy [2018-07-23 13:41:51,077 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-07-23 13:41:51,717 INFO L134 CoverageAnalysis]: Checked inductivity of 13530 backedges. 0 proven. 13530 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2018-07-23 13:41:51,717 INFO L309 seRefinementStrategy]: Constructing automaton from 0 perfect and 1 imperfect interpolant sequences. [2018-07-23 13:41:51,717 INFO L324 seRefinementStrategy]: Number of different interpolants: perfect sequences [] imperfect sequences [166] total 166 [2018-07-23 13:41:51,717 INFO L142 lantAutomatonBuilder]: Constructing canonical interpolant automaton, with selfloop in false state [2018-07-23 13:41:51,718 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2018-07-23 13:41:51,718 INFO L185 omatonBuilderFactory]: Interpolants [71425#(<= ULTIMATE.start_main_~k~5 155), 71424#(<= ULTIMATE.start_main_~k~5 154), 71427#(<= ULTIMATE.start_main_~k~5 157), 71426#(<= ULTIMATE.start_main_~k~5 156), 71429#(<= ULTIMATE.start_main_~k~5 159), 71428#(<= ULTIMATE.start_main_~k~5 158), 71431#(<= ULTIMATE.start_main_~k~5 161), 71430#(<= ULTIMATE.start_main_~k~5 160), 71433#(<= ULTIMATE.start_main_~k~5 163), 71432#(<= ULTIMATE.start_main_~k~5 162), 71434#(<= ULTIMATE.start_main_~k~5 164), 71269#false, 71268#true, 71271#(<= ULTIMATE.start_main_~k~5 1), 71270#(<= ULTIMATE.start_main_~k~5 0), 71273#(<= ULTIMATE.start_main_~k~5 3), 71272#(<= ULTIMATE.start_main_~k~5 2), 71275#(<= ULTIMATE.start_main_~k~5 5), 71274#(<= ULTIMATE.start_main_~k~5 4), 71277#(<= ULTIMATE.start_main_~k~5 7), 71276#(<= ULTIMATE.start_main_~k~5 6), 71279#(<= ULTIMATE.start_main_~k~5 9), 71278#(<= ULTIMATE.start_main_~k~5 8), 71281#(<= ULTIMATE.start_main_~k~5 11), 71280#(<= ULTIMATE.start_main_~k~5 10), 71283#(<= ULTIMATE.start_main_~k~5 13), 71282#(<= ULTIMATE.start_main_~k~5 12), 71285#(<= ULTIMATE.start_main_~k~5 15), 71284#(<= ULTIMATE.start_main_~k~5 14), 71287#(<= ULTIMATE.start_main_~k~5 17), 71286#(<= ULTIMATE.start_main_~k~5 16), 71289#(<= ULTIMATE.start_main_~k~5 19), 71288#(<= ULTIMATE.start_main_~k~5 18), 71291#(<= ULTIMATE.start_main_~k~5 21), 71290#(<= ULTIMATE.start_main_~k~5 20), 71293#(<= ULTIMATE.start_main_~k~5 23), 71292#(<= ULTIMATE.start_main_~k~5 22), 71295#(<= ULTIMATE.start_main_~k~5 25), 71294#(<= ULTIMATE.start_main_~k~5 24), 71297#(<= ULTIMATE.start_main_~k~5 27), 71296#(<= ULTIMATE.start_main_~k~5 26), 71299#(<= ULTIMATE.start_main_~k~5 29), 71298#(<= ULTIMATE.start_main_~k~5 28), 71301#(<= ULTIMATE.start_main_~k~5 31), 71300#(<= ULTIMATE.start_main_~k~5 30), 71303#(<= ULTIMATE.start_main_~k~5 33), 71302#(<= ULTIMATE.start_main_~k~5 32), 71305#(<= ULTIMATE.start_main_~k~5 35), 71304#(<= ULTIMATE.start_main_~k~5 34), 71307#(<= ULTIMATE.start_main_~k~5 37), 71306#(<= ULTIMATE.start_main_~k~5 36), 71309#(<= ULTIMATE.start_main_~k~5 39), 71308#(<= ULTIMATE.start_main_~k~5 38), 71311#(<= ULTIMATE.start_main_~k~5 41), 71310#(<= ULTIMATE.start_main_~k~5 40), 71313#(<= ULTIMATE.start_main_~k~5 43), 71312#(<= ULTIMATE.start_main_~k~5 42), 71315#(<= ULTIMATE.start_main_~k~5 45), 71314#(<= ULTIMATE.start_main_~k~5 44), 71317#(<= ULTIMATE.start_main_~k~5 47), 71316#(<= ULTIMATE.start_main_~k~5 46), 71319#(<= ULTIMATE.start_main_~k~5 49), 71318#(<= ULTIMATE.start_main_~k~5 48), 71321#(<= ULTIMATE.start_main_~k~5 51), 71320#(<= ULTIMATE.start_main_~k~5 50), 71323#(<= ULTIMATE.start_main_~k~5 53), 71322#(<= ULTIMATE.start_main_~k~5 52), 71325#(<= ULTIMATE.start_main_~k~5 55), 71324#(<= ULTIMATE.start_main_~k~5 54), 71327#(<= ULTIMATE.start_main_~k~5 57), 71326#(<= ULTIMATE.start_main_~k~5 56), 71329#(<= ULTIMATE.start_main_~k~5 59), 71328#(<= ULTIMATE.start_main_~k~5 58), 71331#(<= ULTIMATE.start_main_~k~5 61), 71330#(<= ULTIMATE.start_main_~k~5 60), 71333#(<= ULTIMATE.start_main_~k~5 63), 71332#(<= ULTIMATE.start_main_~k~5 62), 71335#(<= ULTIMATE.start_main_~k~5 65), 71334#(<= ULTIMATE.start_main_~k~5 64), 71337#(<= ULTIMATE.start_main_~k~5 67), 71336#(<= ULTIMATE.start_main_~k~5 66), 71339#(<= ULTIMATE.start_main_~k~5 69), 71338#(<= ULTIMATE.start_main_~k~5 68), 71341#(<= ULTIMATE.start_main_~k~5 71), 71340#(<= ULTIMATE.start_main_~k~5 70), 71343#(<= ULTIMATE.start_main_~k~5 73), 71342#(<= ULTIMATE.start_main_~k~5 72), 71345#(<= ULTIMATE.start_main_~k~5 75), 71344#(<= ULTIMATE.start_main_~k~5 74), 71347#(<= ULTIMATE.start_main_~k~5 77), 71346#(<= ULTIMATE.start_main_~k~5 76), 71349#(<= ULTIMATE.start_main_~k~5 79), 71348#(<= ULTIMATE.start_main_~k~5 78), 71351#(<= ULTIMATE.start_main_~k~5 81), 71350#(<= ULTIMATE.start_main_~k~5 80), 71353#(<= ULTIMATE.start_main_~k~5 83), 71352#(<= ULTIMATE.start_main_~k~5 82), 71355#(<= ULTIMATE.start_main_~k~5 85), 71354#(<= ULTIMATE.start_main_~k~5 84), 71357#(<= ULTIMATE.start_main_~k~5 87), 71356#(<= ULTIMATE.start_main_~k~5 86), 71359#(<= ULTIMATE.start_main_~k~5 89), 71358#(<= ULTIMATE.start_main_~k~5 88), 71361#(<= ULTIMATE.start_main_~k~5 91), 71360#(<= ULTIMATE.start_main_~k~5 90), 71363#(<= ULTIMATE.start_main_~k~5 93), 71362#(<= ULTIMATE.start_main_~k~5 92), 71365#(<= ULTIMATE.start_main_~k~5 95), 71364#(<= ULTIMATE.start_main_~k~5 94), 71367#(<= ULTIMATE.start_main_~k~5 97), 71366#(<= ULTIMATE.start_main_~k~5 96), 71369#(<= ULTIMATE.start_main_~k~5 99), 71368#(<= ULTIMATE.start_main_~k~5 98), 71371#(<= ULTIMATE.start_main_~k~5 101), 71370#(<= ULTIMATE.start_main_~k~5 100), 71373#(<= ULTIMATE.start_main_~k~5 103), 71372#(<= ULTIMATE.start_main_~k~5 102), 71375#(<= ULTIMATE.start_main_~k~5 105), 71374#(<= ULTIMATE.start_main_~k~5 104), 71377#(<= ULTIMATE.start_main_~k~5 107), 71376#(<= ULTIMATE.start_main_~k~5 106), 71379#(<= ULTIMATE.start_main_~k~5 109), 71378#(<= ULTIMATE.start_main_~k~5 108), 71381#(<= ULTIMATE.start_main_~k~5 111), 71380#(<= ULTIMATE.start_main_~k~5 110), 71383#(<= ULTIMATE.start_main_~k~5 113), 71382#(<= ULTIMATE.start_main_~k~5 112), 71385#(<= ULTIMATE.start_main_~k~5 115), 71384#(<= ULTIMATE.start_main_~k~5 114), 71387#(<= ULTIMATE.start_main_~k~5 117), 71386#(<= ULTIMATE.start_main_~k~5 116), 71389#(<= ULTIMATE.start_main_~k~5 119), 71388#(<= ULTIMATE.start_main_~k~5 118), 71391#(<= ULTIMATE.start_main_~k~5 121), 71390#(<= ULTIMATE.start_main_~k~5 120), 71393#(<= ULTIMATE.start_main_~k~5 123), 71392#(<= ULTIMATE.start_main_~k~5 122), 71395#(<= ULTIMATE.start_main_~k~5 125), 71394#(<= ULTIMATE.start_main_~k~5 124), 71397#(<= ULTIMATE.start_main_~k~5 127), 71396#(<= ULTIMATE.start_main_~k~5 126), 71399#(<= ULTIMATE.start_main_~k~5 129), 71398#(<= ULTIMATE.start_main_~k~5 128), 71401#(<= ULTIMATE.start_main_~k~5 131), 71400#(<= ULTIMATE.start_main_~k~5 130), 71403#(<= ULTIMATE.start_main_~k~5 133), 71402#(<= ULTIMATE.start_main_~k~5 132), 71405#(<= ULTIMATE.start_main_~k~5 135), 71404#(<= ULTIMATE.start_main_~k~5 134), 71407#(<= ULTIMATE.start_main_~k~5 137), 71406#(<= ULTIMATE.start_main_~k~5 136), 71409#(<= ULTIMATE.start_main_~k~5 139), 71408#(<= ULTIMATE.start_main_~k~5 138), 71411#(<= ULTIMATE.start_main_~k~5 141), 71410#(<= ULTIMATE.start_main_~k~5 140), 71413#(<= ULTIMATE.start_main_~k~5 143), 71412#(<= ULTIMATE.start_main_~k~5 142), 71415#(<= ULTIMATE.start_main_~k~5 145), 71414#(<= ULTIMATE.start_main_~k~5 144), 71417#(<= ULTIMATE.start_main_~k~5 147), 71416#(<= ULTIMATE.start_main_~k~5 146), 71419#(<= ULTIMATE.start_main_~k~5 149), 71418#(<= ULTIMATE.start_main_~k~5 148), 71421#(<= ULTIMATE.start_main_~k~5 151), 71420#(<= ULTIMATE.start_main_~k~5 150), 71423#(<= ULTIMATE.start_main_~k~5 153), 71422#(<= ULTIMATE.start_main_~k~5 152)] [2018-07-23 13:41:51,719 INFO L134 CoverageAnalysis]: Checked inductivity of 13530 backedges. 0 proven. 13530 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2018-07-23 13:41:51,719 INFO L450 AbstractCegarLoop]: Interpolant automaton has 167 states [2018-07-23 13:41:51,721 INFO L132 InterpolantAutomaton]: Constructing interpolant automaton starting with 167 interpolants. [2018-07-23 13:41:51,722 INFO L133 InterpolantAutomaton]: CoverageRelationStatistics Valid=13861, Invalid=13861, Unknown=0, NotChecked=0, Total=27722 [2018-07-23 13:41:51,722 INFO L87 Difference]: Start difference. First operand 168 states and 168 transitions. Second operand 167 states. [2018-07-23 13:41:52,125 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2018-07-23 13:41:52,125 INFO L93 Difference]: Finished difference Result 171 states and 171 transitions. [2018-07-23 13:41:52,125 INFO L142 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 167 states. [2018-07-23 13:41:52,125 INFO L78 Accepts]: Start accepts. Automaton has 167 states. Word has length 167 [2018-07-23 13:41:52,125 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2018-07-23 13:41:52,126 INFO L225 Difference]: With dead ends: 171 [2018-07-23 13:41:52,126 INFO L226 Difference]: Without dead ends: 169 [2018-07-23 13:41:52,127 INFO L575 BasicCegarLoop]: 0 DeclaredPredicates, 166 GetRequests, 1 SyntacticMatches, 0 SemanticMatches, 165 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 0 ImplicationChecksByTransitivity, 0.5s TimeCoverageRelationStatistics Valid=13861, Invalid=13861, Unknown=0, NotChecked=0, Total=27722 [2018-07-23 13:41:52,127 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 169 states. [2018-07-23 13:41:52,129 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 169 to 169. [2018-07-23 13:41:52,129 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 169 states. [2018-07-23 13:41:52,130 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 169 states to 169 states and 169 transitions. [2018-07-23 13:41:52,130 INFO L78 Accepts]: Start accepts. Automaton has 169 states and 169 transitions. Word has length 167 [2018-07-23 13:41:52,130 INFO L84 Accepts]: Finished accepts. word is rejected. [2018-07-23 13:41:52,130 INFO L471 AbstractCegarLoop]: Abstraction has 169 states and 169 transitions. [2018-07-23 13:41:52,130 INFO L472 AbstractCegarLoop]: Interpolant automaton has 167 states. [2018-07-23 13:41:52,130 INFO L276 IsEmpty]: Start isEmpty. Operand 169 states and 169 transitions. [2018-07-23 13:41:52,131 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 169 [2018-07-23 13:41:52,131 INFO L349 BasicCegarLoop]: Found error trace [2018-07-23 13:41:52,131 INFO L357 BasicCegarLoop]: trace histogram [165, 1, 1, 1] [2018-07-23 13:41:52,131 INFO L414 AbstractCegarLoop]: === Iteration 166 === [ULTIMATE.startErr0AssertViolationASSERT]=== [2018-07-23 13:41:52,131 INFO L82 PathProgramCache]: Analyzing trace with hash -1444111512, now seen corresponding path program 165 times [2018-07-23 13:41:52,131 INFO L69 tionRefinementEngine]: Using refinement strategy FixedRefinementStrategy [2018-07-23 13:41:52,187 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-07-23 13:41:52,865 INFO L134 CoverageAnalysis]: Checked inductivity of 13695 backedges. 0 proven. 13695 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2018-07-23 13:41:52,865 INFO L309 seRefinementStrategy]: Constructing automaton from 0 perfect and 1 imperfect interpolant sequences. [2018-07-23 13:41:52,865 INFO L324 seRefinementStrategy]: Number of different interpolants: perfect sequences [] imperfect sequences [167] total 167 [2018-07-23 13:41:52,865 INFO L142 lantAutomatonBuilder]: Constructing canonical interpolant automaton, with selfloop in false state [2018-07-23 13:41:52,866 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 13:41:52,866 INFO L185 omatonBuilderFactory]: Interpolants [72193#(<= ULTIMATE.start_main_~k~5 76), 72192#(<= ULTIMATE.start_main_~k~5 75), 72195#(<= ULTIMATE.start_main_~k~5 78), 72194#(<= ULTIMATE.start_main_~k~5 77), 72197#(<= ULTIMATE.start_main_~k~5 80), 72196#(<= ULTIMATE.start_main_~k~5 79), 72199#(<= ULTIMATE.start_main_~k~5 82), 72198#(<= ULTIMATE.start_main_~k~5 81), 72201#(<= ULTIMATE.start_main_~k~5 84), 72200#(<= ULTIMATE.start_main_~k~5 83), 72203#(<= ULTIMATE.start_main_~k~5 86), 72202#(<= ULTIMATE.start_main_~k~5 85), 72205#(<= ULTIMATE.start_main_~k~5 88), 72204#(<= ULTIMATE.start_main_~k~5 87), 72207#(<= ULTIMATE.start_main_~k~5 90), 72206#(<= ULTIMATE.start_main_~k~5 89), 72209#(<= ULTIMATE.start_main_~k~5 92), 72208#(<= ULTIMATE.start_main_~k~5 91), 72211#(<= ULTIMATE.start_main_~k~5 94), 72210#(<= ULTIMATE.start_main_~k~5 93), 72213#(<= ULTIMATE.start_main_~k~5 96), 72212#(<= ULTIMATE.start_main_~k~5 95), 72215#(<= ULTIMATE.start_main_~k~5 98), 72214#(<= ULTIMATE.start_main_~k~5 97), 72217#(<= ULTIMATE.start_main_~k~5 100), 72216#(<= ULTIMATE.start_main_~k~5 99), 72219#(<= ULTIMATE.start_main_~k~5 102), 72218#(<= ULTIMATE.start_main_~k~5 101), 72221#(<= ULTIMATE.start_main_~k~5 104), 72220#(<= ULTIMATE.start_main_~k~5 103), 72223#(<= ULTIMATE.start_main_~k~5 106), 72222#(<= ULTIMATE.start_main_~k~5 105), 72225#(<= ULTIMATE.start_main_~k~5 108), 72224#(<= ULTIMATE.start_main_~k~5 107), 72227#(<= ULTIMATE.start_main_~k~5 110), 72226#(<= ULTIMATE.start_main_~k~5 109), 72229#(<= ULTIMATE.start_main_~k~5 112), 72228#(<= ULTIMATE.start_main_~k~5 111), 72231#(<= ULTIMATE.start_main_~k~5 114), 72230#(<= ULTIMATE.start_main_~k~5 113), 72233#(<= ULTIMATE.start_main_~k~5 116), 72232#(<= ULTIMATE.start_main_~k~5 115), 72235#(<= ULTIMATE.start_main_~k~5 118), 72234#(<= ULTIMATE.start_main_~k~5 117), 72237#(<= ULTIMATE.start_main_~k~5 120), 72236#(<= ULTIMATE.start_main_~k~5 119), 72239#(<= ULTIMATE.start_main_~k~5 122), 72238#(<= ULTIMATE.start_main_~k~5 121), 72241#(<= ULTIMATE.start_main_~k~5 124), 72240#(<= ULTIMATE.start_main_~k~5 123), 72243#(<= ULTIMATE.start_main_~k~5 126), 72242#(<= ULTIMATE.start_main_~k~5 125), 72245#(<= ULTIMATE.start_main_~k~5 128), 72244#(<= ULTIMATE.start_main_~k~5 127), 72247#(<= ULTIMATE.start_main_~k~5 130), 72246#(<= ULTIMATE.start_main_~k~5 129), 72249#(<= ULTIMATE.start_main_~k~5 132), 72248#(<= ULTIMATE.start_main_~k~5 131), 72251#(<= ULTIMATE.start_main_~k~5 134), 72250#(<= ULTIMATE.start_main_~k~5 133), 72253#(<= ULTIMATE.start_main_~k~5 136), 72252#(<= ULTIMATE.start_main_~k~5 135), 72255#(<= ULTIMATE.start_main_~k~5 138), 72254#(<= ULTIMATE.start_main_~k~5 137), 72257#(<= ULTIMATE.start_main_~k~5 140), 72256#(<= ULTIMATE.start_main_~k~5 139), 72259#(<= ULTIMATE.start_main_~k~5 142), 72258#(<= ULTIMATE.start_main_~k~5 141), 72261#(<= ULTIMATE.start_main_~k~5 144), 72260#(<= ULTIMATE.start_main_~k~5 143), 72263#(<= ULTIMATE.start_main_~k~5 146), 72262#(<= ULTIMATE.start_main_~k~5 145), 72265#(<= ULTIMATE.start_main_~k~5 148), 72264#(<= ULTIMATE.start_main_~k~5 147), 72267#(<= ULTIMATE.start_main_~k~5 150), 72266#(<= ULTIMATE.start_main_~k~5 149), 72269#(<= ULTIMATE.start_main_~k~5 152), 72268#(<= ULTIMATE.start_main_~k~5 151), 72271#(<= ULTIMATE.start_main_~k~5 154), 72270#(<= ULTIMATE.start_main_~k~5 153), 72273#(<= ULTIMATE.start_main_~k~5 156), 72272#(<= ULTIMATE.start_main_~k~5 155), 72275#(<= ULTIMATE.start_main_~k~5 158), 72274#(<= ULTIMATE.start_main_~k~5 157), 72277#(<= ULTIMATE.start_main_~k~5 160), 72276#(<= ULTIMATE.start_main_~k~5 159), 72279#(<= ULTIMATE.start_main_~k~5 162), 72278#(<= ULTIMATE.start_main_~k~5 161), 72281#(<= ULTIMATE.start_main_~k~5 164), 72280#(<= ULTIMATE.start_main_~k~5 163), 72282#(<= ULTIMATE.start_main_~k~5 165), 72115#true, 72117#(<= ULTIMATE.start_main_~k~5 0), 72116#false, 72119#(<= ULTIMATE.start_main_~k~5 2), 72118#(<= ULTIMATE.start_main_~k~5 1), 72121#(<= ULTIMATE.start_main_~k~5 4), 72120#(<= ULTIMATE.start_main_~k~5 3), 72123#(<= ULTIMATE.start_main_~k~5 6), 72122#(<= ULTIMATE.start_main_~k~5 5), 72125#(<= ULTIMATE.start_main_~k~5 8), 72124#(<= ULTIMATE.start_main_~k~5 7), 72127#(<= ULTIMATE.start_main_~k~5 10), 72126#(<= ULTIMATE.start_main_~k~5 9), 72129#(<= ULTIMATE.start_main_~k~5 12), 72128#(<= ULTIMATE.start_main_~k~5 11), 72131#(<= ULTIMATE.start_main_~k~5 14), 72130#(<= ULTIMATE.start_main_~k~5 13), 72133#(<= ULTIMATE.start_main_~k~5 16), 72132#(<= ULTIMATE.start_main_~k~5 15), 72135#(<= ULTIMATE.start_main_~k~5 18), 72134#(<= ULTIMATE.start_main_~k~5 17), 72137#(<= ULTIMATE.start_main_~k~5 20), 72136#(<= ULTIMATE.start_main_~k~5 19), 72139#(<= ULTIMATE.start_main_~k~5 22), 72138#(<= ULTIMATE.start_main_~k~5 21), 72141#(<= ULTIMATE.start_main_~k~5 24), 72140#(<= ULTIMATE.start_main_~k~5 23), 72143#(<= ULTIMATE.start_main_~k~5 26), 72142#(<= ULTIMATE.start_main_~k~5 25), 72145#(<= ULTIMATE.start_main_~k~5 28), 72144#(<= ULTIMATE.start_main_~k~5 27), 72147#(<= ULTIMATE.start_main_~k~5 30), 72146#(<= ULTIMATE.start_main_~k~5 29), 72149#(<= ULTIMATE.start_main_~k~5 32), 72148#(<= ULTIMATE.start_main_~k~5 31), 72151#(<= ULTIMATE.start_main_~k~5 34), 72150#(<= ULTIMATE.start_main_~k~5 33), 72153#(<= ULTIMATE.start_main_~k~5 36), 72152#(<= ULTIMATE.start_main_~k~5 35), 72155#(<= ULTIMATE.start_main_~k~5 38), 72154#(<= ULTIMATE.start_main_~k~5 37), 72157#(<= ULTIMATE.start_main_~k~5 40), 72156#(<= ULTIMATE.start_main_~k~5 39), 72159#(<= ULTIMATE.start_main_~k~5 42), 72158#(<= ULTIMATE.start_main_~k~5 41), 72161#(<= ULTIMATE.start_main_~k~5 44), 72160#(<= ULTIMATE.start_main_~k~5 43), 72163#(<= ULTIMATE.start_main_~k~5 46), 72162#(<= ULTIMATE.start_main_~k~5 45), 72165#(<= ULTIMATE.start_main_~k~5 48), 72164#(<= ULTIMATE.start_main_~k~5 47), 72167#(<= ULTIMATE.start_main_~k~5 50), 72166#(<= ULTIMATE.start_main_~k~5 49), 72169#(<= ULTIMATE.start_main_~k~5 52), 72168#(<= ULTIMATE.start_main_~k~5 51), 72171#(<= ULTIMATE.start_main_~k~5 54), 72170#(<= ULTIMATE.start_main_~k~5 53), 72173#(<= ULTIMATE.start_main_~k~5 56), 72172#(<= ULTIMATE.start_main_~k~5 55), 72175#(<= ULTIMATE.start_main_~k~5 58), 72174#(<= ULTIMATE.start_main_~k~5 57), 72177#(<= ULTIMATE.start_main_~k~5 60), 72176#(<= ULTIMATE.start_main_~k~5 59), 72179#(<= ULTIMATE.start_main_~k~5 62), 72178#(<= ULTIMATE.start_main_~k~5 61), 72181#(<= ULTIMATE.start_main_~k~5 64), 72180#(<= ULTIMATE.start_main_~k~5 63), 72183#(<= ULTIMATE.start_main_~k~5 66), 72182#(<= ULTIMATE.start_main_~k~5 65), 72185#(<= ULTIMATE.start_main_~k~5 68), 72184#(<= ULTIMATE.start_main_~k~5 67), 72187#(<= ULTIMATE.start_main_~k~5 70), 72186#(<= ULTIMATE.start_main_~k~5 69), 72189#(<= ULTIMATE.start_main_~k~5 72), 72188#(<= ULTIMATE.start_main_~k~5 71), 72191#(<= ULTIMATE.start_main_~k~5 74), 72190#(<= ULTIMATE.start_main_~k~5 73)] [2018-07-23 13:41:52,867 INFO L134 CoverageAnalysis]: Checked inductivity of 13695 backedges. 0 proven. 13695 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2018-07-23 13:41:52,867 INFO L450 AbstractCegarLoop]: Interpolant automaton has 168 states [2018-07-23 13:41:52,869 INFO L132 InterpolantAutomaton]: Constructing interpolant automaton starting with 168 interpolants. [2018-07-23 13:41:52,870 INFO L133 InterpolantAutomaton]: CoverageRelationStatistics Valid=14028, Invalid=14028, Unknown=0, NotChecked=0, Total=28056 [2018-07-23 13:41:52,870 INFO L87 Difference]: Start difference. First operand 169 states and 169 transitions. Second operand 168 states. [2018-07-23 13:41:53,073 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2018-07-23 13:41:53,073 INFO L93 Difference]: Finished difference Result 172 states and 172 transitions. [2018-07-23 13:41:53,073 INFO L142 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 168 states. [2018-07-23 13:41:53,073 INFO L78 Accepts]: Start accepts. Automaton has 168 states. Word has length 168 [2018-07-23 13:41:53,074 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2018-07-23 13:41:53,074 INFO L225 Difference]: With dead ends: 172 [2018-07-23 13:41:53,074 INFO L226 Difference]: Without dead ends: 170 [2018-07-23 13:41:53,076 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 13:41:53,076 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 170 states. [2018-07-23 13:41:53,078 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 170 to 170. [2018-07-23 13:41:53,078 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 170 states. [2018-07-23 13:41:53,079 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 170 states to 170 states and 170 transitions. [2018-07-23 13:41:53,079 INFO L78 Accepts]: Start accepts. Automaton has 170 states and 170 transitions. Word has length 168 [2018-07-23 13:41:53,079 INFO L84 Accepts]: Finished accepts. word is rejected. [2018-07-23 13:41:53,079 INFO L471 AbstractCegarLoop]: Abstraction has 170 states and 170 transitions. [2018-07-23 13:41:53,079 INFO L472 AbstractCegarLoop]: Interpolant automaton has 168 states. [2018-07-23 13:41:53,079 INFO L276 IsEmpty]: Start isEmpty. Operand 170 states and 170 transitions. [2018-07-23 13:41:53,080 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 170 [2018-07-23 13:41:53,080 INFO L349 BasicCegarLoop]: Found error trace [2018-07-23 13:41:53,080 INFO L357 BasicCegarLoop]: trace histogram [166, 1, 1, 1] [2018-07-23 13:41:53,080 INFO L414 AbstractCegarLoop]: === Iteration 167 === [ULTIMATE.startErr0AssertViolationASSERT]=== [2018-07-23 13:41:53,080 INFO L82 PathProgramCache]: Analyzing trace with hash -1817785887, now seen corresponding path program 166 times [2018-07-23 13:41:53,081 INFO L69 tionRefinementEngine]: Using refinement strategy FixedRefinementStrategy [2018-07-23 13:41:53,147 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-07-23 13:41:53,880 INFO L134 CoverageAnalysis]: Checked inductivity of 13861 backedges. 0 proven. 13861 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2018-07-23 13:41:53,880 INFO L309 seRefinementStrategy]: Constructing automaton from 0 perfect and 1 imperfect interpolant sequences. [2018-07-23 13:41:53,880 INFO L324 seRefinementStrategy]: Number of different interpolants: perfect sequences [] imperfect sequences [168] total 168 [2018-07-23 13:41:53,880 INFO L142 lantAutomatonBuilder]: Constructing canonical interpolant automaton, with selfloop in false state [2018-07-23 13:41:53,880 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2018-07-23 13:41:53,881 INFO L185 omatonBuilderFactory]: Interpolants [72967#true, 72969#(<= ULTIMATE.start_main_~k~5 0), 72968#false, 72971#(<= ULTIMATE.start_main_~k~5 2), 72970#(<= ULTIMATE.start_main_~k~5 1), 72973#(<= ULTIMATE.start_main_~k~5 4), 72972#(<= ULTIMATE.start_main_~k~5 3), 72975#(<= ULTIMATE.start_main_~k~5 6), 72974#(<= ULTIMATE.start_main_~k~5 5), 72977#(<= ULTIMATE.start_main_~k~5 8), 72976#(<= ULTIMATE.start_main_~k~5 7), 72979#(<= ULTIMATE.start_main_~k~5 10), 72978#(<= ULTIMATE.start_main_~k~5 9), 72981#(<= ULTIMATE.start_main_~k~5 12), 72980#(<= ULTIMATE.start_main_~k~5 11), 72983#(<= ULTIMATE.start_main_~k~5 14), 72982#(<= ULTIMATE.start_main_~k~5 13), 72985#(<= ULTIMATE.start_main_~k~5 16), 72984#(<= ULTIMATE.start_main_~k~5 15), 72987#(<= ULTIMATE.start_main_~k~5 18), 72986#(<= ULTIMATE.start_main_~k~5 17), 72989#(<= ULTIMATE.start_main_~k~5 20), 72988#(<= ULTIMATE.start_main_~k~5 19), 72991#(<= ULTIMATE.start_main_~k~5 22), 72990#(<= ULTIMATE.start_main_~k~5 21), 72993#(<= ULTIMATE.start_main_~k~5 24), 72992#(<= ULTIMATE.start_main_~k~5 23), 72995#(<= ULTIMATE.start_main_~k~5 26), 72994#(<= ULTIMATE.start_main_~k~5 25), 72997#(<= ULTIMATE.start_main_~k~5 28), 72996#(<= ULTIMATE.start_main_~k~5 27), 72999#(<= ULTIMATE.start_main_~k~5 30), 72998#(<= ULTIMATE.start_main_~k~5 29), 73001#(<= ULTIMATE.start_main_~k~5 32), 73000#(<= ULTIMATE.start_main_~k~5 31), 73003#(<= ULTIMATE.start_main_~k~5 34), 73002#(<= ULTIMATE.start_main_~k~5 33), 73005#(<= ULTIMATE.start_main_~k~5 36), 73004#(<= ULTIMATE.start_main_~k~5 35), 73007#(<= ULTIMATE.start_main_~k~5 38), 73006#(<= ULTIMATE.start_main_~k~5 37), 73009#(<= ULTIMATE.start_main_~k~5 40), 73008#(<= ULTIMATE.start_main_~k~5 39), 73011#(<= ULTIMATE.start_main_~k~5 42), 73010#(<= ULTIMATE.start_main_~k~5 41), 73013#(<= ULTIMATE.start_main_~k~5 44), 73012#(<= ULTIMATE.start_main_~k~5 43), 73015#(<= ULTIMATE.start_main_~k~5 46), 73014#(<= ULTIMATE.start_main_~k~5 45), 73017#(<= ULTIMATE.start_main_~k~5 48), 73016#(<= ULTIMATE.start_main_~k~5 47), 73019#(<= ULTIMATE.start_main_~k~5 50), 73018#(<= ULTIMATE.start_main_~k~5 49), 73021#(<= ULTIMATE.start_main_~k~5 52), 73020#(<= ULTIMATE.start_main_~k~5 51), 73023#(<= ULTIMATE.start_main_~k~5 54), 73022#(<= ULTIMATE.start_main_~k~5 53), 73025#(<= ULTIMATE.start_main_~k~5 56), 73024#(<= ULTIMATE.start_main_~k~5 55), 73027#(<= ULTIMATE.start_main_~k~5 58), 73026#(<= ULTIMATE.start_main_~k~5 57), 73029#(<= ULTIMATE.start_main_~k~5 60), 73028#(<= ULTIMATE.start_main_~k~5 59), 73031#(<= ULTIMATE.start_main_~k~5 62), 73030#(<= ULTIMATE.start_main_~k~5 61), 73033#(<= ULTIMATE.start_main_~k~5 64), 73032#(<= ULTIMATE.start_main_~k~5 63), 73035#(<= ULTIMATE.start_main_~k~5 66), 73034#(<= ULTIMATE.start_main_~k~5 65), 73037#(<= ULTIMATE.start_main_~k~5 68), 73036#(<= ULTIMATE.start_main_~k~5 67), 73039#(<= ULTIMATE.start_main_~k~5 70), 73038#(<= ULTIMATE.start_main_~k~5 69), 73041#(<= ULTIMATE.start_main_~k~5 72), 73040#(<= ULTIMATE.start_main_~k~5 71), 73043#(<= ULTIMATE.start_main_~k~5 74), 73042#(<= ULTIMATE.start_main_~k~5 73), 73045#(<= ULTIMATE.start_main_~k~5 76), 73044#(<= ULTIMATE.start_main_~k~5 75), 73047#(<= ULTIMATE.start_main_~k~5 78), 73046#(<= ULTIMATE.start_main_~k~5 77), 73049#(<= ULTIMATE.start_main_~k~5 80), 73048#(<= ULTIMATE.start_main_~k~5 79), 73051#(<= ULTIMATE.start_main_~k~5 82), 73050#(<= ULTIMATE.start_main_~k~5 81), 73053#(<= ULTIMATE.start_main_~k~5 84), 73052#(<= ULTIMATE.start_main_~k~5 83), 73055#(<= ULTIMATE.start_main_~k~5 86), 73054#(<= ULTIMATE.start_main_~k~5 85), 73057#(<= ULTIMATE.start_main_~k~5 88), 73056#(<= ULTIMATE.start_main_~k~5 87), 73059#(<= ULTIMATE.start_main_~k~5 90), 73058#(<= ULTIMATE.start_main_~k~5 89), 73061#(<= ULTIMATE.start_main_~k~5 92), 73060#(<= ULTIMATE.start_main_~k~5 91), 73063#(<= ULTIMATE.start_main_~k~5 94), 73062#(<= ULTIMATE.start_main_~k~5 93), 73065#(<= ULTIMATE.start_main_~k~5 96), 73064#(<= ULTIMATE.start_main_~k~5 95), 73067#(<= ULTIMATE.start_main_~k~5 98), 73066#(<= ULTIMATE.start_main_~k~5 97), 73069#(<= ULTIMATE.start_main_~k~5 100), 73068#(<= ULTIMATE.start_main_~k~5 99), 73071#(<= ULTIMATE.start_main_~k~5 102), 73070#(<= ULTIMATE.start_main_~k~5 101), 73073#(<= ULTIMATE.start_main_~k~5 104), 73072#(<= ULTIMATE.start_main_~k~5 103), 73075#(<= ULTIMATE.start_main_~k~5 106), 73074#(<= ULTIMATE.start_main_~k~5 105), 73077#(<= ULTIMATE.start_main_~k~5 108), 73076#(<= ULTIMATE.start_main_~k~5 107), 73079#(<= ULTIMATE.start_main_~k~5 110), 73078#(<= ULTIMATE.start_main_~k~5 109), 73081#(<= ULTIMATE.start_main_~k~5 112), 73080#(<= ULTIMATE.start_main_~k~5 111), 73083#(<= ULTIMATE.start_main_~k~5 114), 73082#(<= ULTIMATE.start_main_~k~5 113), 73085#(<= ULTIMATE.start_main_~k~5 116), 73084#(<= ULTIMATE.start_main_~k~5 115), 73087#(<= ULTIMATE.start_main_~k~5 118), 73086#(<= ULTIMATE.start_main_~k~5 117), 73089#(<= ULTIMATE.start_main_~k~5 120), 73088#(<= ULTIMATE.start_main_~k~5 119), 73091#(<= ULTIMATE.start_main_~k~5 122), 73090#(<= ULTIMATE.start_main_~k~5 121), 73093#(<= ULTIMATE.start_main_~k~5 124), 73092#(<= ULTIMATE.start_main_~k~5 123), 73095#(<= ULTIMATE.start_main_~k~5 126), 73094#(<= ULTIMATE.start_main_~k~5 125), 73097#(<= ULTIMATE.start_main_~k~5 128), 73096#(<= ULTIMATE.start_main_~k~5 127), 73099#(<= ULTIMATE.start_main_~k~5 130), 73098#(<= ULTIMATE.start_main_~k~5 129), 73101#(<= ULTIMATE.start_main_~k~5 132), 73100#(<= ULTIMATE.start_main_~k~5 131), 73103#(<= ULTIMATE.start_main_~k~5 134), 73102#(<= ULTIMATE.start_main_~k~5 133), 73105#(<= ULTIMATE.start_main_~k~5 136), 73104#(<= ULTIMATE.start_main_~k~5 135), 73107#(<= ULTIMATE.start_main_~k~5 138), 73106#(<= ULTIMATE.start_main_~k~5 137), 73109#(<= ULTIMATE.start_main_~k~5 140), 73108#(<= ULTIMATE.start_main_~k~5 139), 73111#(<= ULTIMATE.start_main_~k~5 142), 73110#(<= ULTIMATE.start_main_~k~5 141), 73113#(<= ULTIMATE.start_main_~k~5 144), 73112#(<= ULTIMATE.start_main_~k~5 143), 73115#(<= ULTIMATE.start_main_~k~5 146), 73114#(<= ULTIMATE.start_main_~k~5 145), 73117#(<= ULTIMATE.start_main_~k~5 148), 73116#(<= ULTIMATE.start_main_~k~5 147), 73119#(<= ULTIMATE.start_main_~k~5 150), 73118#(<= ULTIMATE.start_main_~k~5 149), 73121#(<= ULTIMATE.start_main_~k~5 152), 73120#(<= ULTIMATE.start_main_~k~5 151), 73123#(<= ULTIMATE.start_main_~k~5 154), 73122#(<= ULTIMATE.start_main_~k~5 153), 73125#(<= ULTIMATE.start_main_~k~5 156), 73124#(<= ULTIMATE.start_main_~k~5 155), 73127#(<= ULTIMATE.start_main_~k~5 158), 73126#(<= ULTIMATE.start_main_~k~5 157), 73129#(<= ULTIMATE.start_main_~k~5 160), 73128#(<= ULTIMATE.start_main_~k~5 159), 73131#(<= ULTIMATE.start_main_~k~5 162), 73130#(<= ULTIMATE.start_main_~k~5 161), 73133#(<= ULTIMATE.start_main_~k~5 164), 73132#(<= ULTIMATE.start_main_~k~5 163), 73135#(<= ULTIMATE.start_main_~k~5 166), 73134#(<= ULTIMATE.start_main_~k~5 165)] [2018-07-23 13:41:53,881 INFO L134 CoverageAnalysis]: Checked inductivity of 13861 backedges. 0 proven. 13861 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2018-07-23 13:41:53,882 INFO L450 AbstractCegarLoop]: Interpolant automaton has 169 states [2018-07-23 13:41:53,883 INFO L132 InterpolantAutomaton]: Constructing interpolant automaton starting with 169 interpolants. [2018-07-23 13:41:53,884 INFO L133 InterpolantAutomaton]: CoverageRelationStatistics Valid=14196, Invalid=14196, Unknown=0, NotChecked=0, Total=28392 [2018-07-23 13:41:53,884 INFO L87 Difference]: Start difference. First operand 170 states and 170 transitions. Second operand 169 states. [2018-07-23 13:41:54,529 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2018-07-23 13:41:54,529 INFO L93 Difference]: Finished difference Result 173 states and 173 transitions. [2018-07-23 13:41:54,529 INFO L142 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 169 states. [2018-07-23 13:41:54,529 INFO L78 Accepts]: Start accepts. Automaton has 169 states. Word has length 169 [2018-07-23 13:41:54,529 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2018-07-23 13:41:54,530 INFO L225 Difference]: With dead ends: 173 [2018-07-23 13:41:54,530 INFO L226 Difference]: Without dead ends: 171 [2018-07-23 13:41:54,531 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 13:41:54,532 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 171 states. [2018-07-23 13:41:54,534 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 171 to 171. [2018-07-23 13:41:54,534 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 171 states. [2018-07-23 13:41:54,535 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 171 states to 171 states and 171 transitions. [2018-07-23 13:41:54,535 INFO L78 Accepts]: Start accepts. Automaton has 171 states and 171 transitions. Word has length 169 [2018-07-23 13:41:54,535 INFO L84 Accepts]: Finished accepts. word is rejected. [2018-07-23 13:41:54,535 INFO L471 AbstractCegarLoop]: Abstraction has 171 states and 171 transitions. [2018-07-23 13:41:54,535 INFO L472 AbstractCegarLoop]: Interpolant automaton has 169 states. [2018-07-23 13:41:54,535 INFO L276 IsEmpty]: Start isEmpty. Operand 171 states and 171 transitions. [2018-07-23 13:41:54,536 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 171 [2018-07-23 13:41:54,536 INFO L349 BasicCegarLoop]: Found error trace [2018-07-23 13:41:54,536 INFO L357 BasicCegarLoop]: trace histogram [167, 1, 1, 1] [2018-07-23 13:41:54,536 INFO L414 AbstractCegarLoop]: === Iteration 168 === [ULTIMATE.startErr0AssertViolationASSERT]=== [2018-07-23 13:41:54,537 INFO L82 PathProgramCache]: Analyzing trace with hash -516789624, now seen corresponding path program 167 times [2018-07-23 13:41:54,537 INFO L69 tionRefinementEngine]: Using refinement strategy FixedRefinementStrategy [2018-07-23 13:41:54,604 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-07-23 13:41:55,295 INFO L134 CoverageAnalysis]: Checked inductivity of 14028 backedges. 0 proven. 14028 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2018-07-23 13:41:55,295 INFO L309 seRefinementStrategy]: Constructing automaton from 0 perfect and 1 imperfect interpolant sequences. [2018-07-23 13:41:55,295 INFO L324 seRefinementStrategy]: Number of different interpolants: perfect sequences [] imperfect sequences [169] total 169 [2018-07-23 13:41:55,295 INFO L142 lantAutomatonBuilder]: Constructing canonical interpolant automaton, with selfloop in false state [2018-07-23 13:41:55,295 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2018-07-23 13:41:55,296 INFO L185 omatonBuilderFactory]: Interpolants [73985#(<= ULTIMATE.start_main_~k~5 159), 73984#(<= ULTIMATE.start_main_~k~5 158), 73987#(<= ULTIMATE.start_main_~k~5 161), 73986#(<= ULTIMATE.start_main_~k~5 160), 73989#(<= ULTIMATE.start_main_~k~5 163), 73988#(<= ULTIMATE.start_main_~k~5 162), 73991#(<= ULTIMATE.start_main_~k~5 165), 73990#(<= ULTIMATE.start_main_~k~5 164), 73993#(<= ULTIMATE.start_main_~k~5 167), 73992#(<= ULTIMATE.start_main_~k~5 166), 73825#false, 73824#true, 73827#(<= ULTIMATE.start_main_~k~5 1), 73826#(<= ULTIMATE.start_main_~k~5 0), 73829#(<= ULTIMATE.start_main_~k~5 3), 73828#(<= ULTIMATE.start_main_~k~5 2), 73831#(<= ULTIMATE.start_main_~k~5 5), 73830#(<= ULTIMATE.start_main_~k~5 4), 73833#(<= ULTIMATE.start_main_~k~5 7), 73832#(<= ULTIMATE.start_main_~k~5 6), 73835#(<= ULTIMATE.start_main_~k~5 9), 73834#(<= ULTIMATE.start_main_~k~5 8), 73837#(<= ULTIMATE.start_main_~k~5 11), 73836#(<= ULTIMATE.start_main_~k~5 10), 73839#(<= ULTIMATE.start_main_~k~5 13), 73838#(<= ULTIMATE.start_main_~k~5 12), 73841#(<= ULTIMATE.start_main_~k~5 15), 73840#(<= ULTIMATE.start_main_~k~5 14), 73843#(<= ULTIMATE.start_main_~k~5 17), 73842#(<= ULTIMATE.start_main_~k~5 16), 73845#(<= ULTIMATE.start_main_~k~5 19), 73844#(<= ULTIMATE.start_main_~k~5 18), 73847#(<= ULTIMATE.start_main_~k~5 21), 73846#(<= ULTIMATE.start_main_~k~5 20), 73849#(<= ULTIMATE.start_main_~k~5 23), 73848#(<= ULTIMATE.start_main_~k~5 22), 73851#(<= ULTIMATE.start_main_~k~5 25), 73850#(<= ULTIMATE.start_main_~k~5 24), 73853#(<= ULTIMATE.start_main_~k~5 27), 73852#(<= ULTIMATE.start_main_~k~5 26), 73855#(<= ULTIMATE.start_main_~k~5 29), 73854#(<= ULTIMATE.start_main_~k~5 28), 73857#(<= ULTIMATE.start_main_~k~5 31), 73856#(<= ULTIMATE.start_main_~k~5 30), 73859#(<= ULTIMATE.start_main_~k~5 33), 73858#(<= ULTIMATE.start_main_~k~5 32), 73861#(<= ULTIMATE.start_main_~k~5 35), 73860#(<= ULTIMATE.start_main_~k~5 34), 73863#(<= ULTIMATE.start_main_~k~5 37), 73862#(<= ULTIMATE.start_main_~k~5 36), 73865#(<= ULTIMATE.start_main_~k~5 39), 73864#(<= ULTIMATE.start_main_~k~5 38), 73867#(<= ULTIMATE.start_main_~k~5 41), 73866#(<= ULTIMATE.start_main_~k~5 40), 73869#(<= ULTIMATE.start_main_~k~5 43), 73868#(<= ULTIMATE.start_main_~k~5 42), 73871#(<= ULTIMATE.start_main_~k~5 45), 73870#(<= ULTIMATE.start_main_~k~5 44), 73873#(<= ULTIMATE.start_main_~k~5 47), 73872#(<= ULTIMATE.start_main_~k~5 46), 73875#(<= ULTIMATE.start_main_~k~5 49), 73874#(<= ULTIMATE.start_main_~k~5 48), 73877#(<= ULTIMATE.start_main_~k~5 51), 73876#(<= ULTIMATE.start_main_~k~5 50), 73879#(<= ULTIMATE.start_main_~k~5 53), 73878#(<= ULTIMATE.start_main_~k~5 52), 73881#(<= ULTIMATE.start_main_~k~5 55), 73880#(<= ULTIMATE.start_main_~k~5 54), 73883#(<= ULTIMATE.start_main_~k~5 57), 73882#(<= ULTIMATE.start_main_~k~5 56), 73885#(<= ULTIMATE.start_main_~k~5 59), 73884#(<= ULTIMATE.start_main_~k~5 58), 73887#(<= ULTIMATE.start_main_~k~5 61), 73886#(<= ULTIMATE.start_main_~k~5 60), 73889#(<= ULTIMATE.start_main_~k~5 63), 73888#(<= ULTIMATE.start_main_~k~5 62), 73891#(<= ULTIMATE.start_main_~k~5 65), 73890#(<= ULTIMATE.start_main_~k~5 64), 73893#(<= ULTIMATE.start_main_~k~5 67), 73892#(<= ULTIMATE.start_main_~k~5 66), 73895#(<= ULTIMATE.start_main_~k~5 69), 73894#(<= ULTIMATE.start_main_~k~5 68), 73897#(<= ULTIMATE.start_main_~k~5 71), 73896#(<= ULTIMATE.start_main_~k~5 70), 73899#(<= ULTIMATE.start_main_~k~5 73), 73898#(<= ULTIMATE.start_main_~k~5 72), 73901#(<= ULTIMATE.start_main_~k~5 75), 73900#(<= ULTIMATE.start_main_~k~5 74), 73903#(<= ULTIMATE.start_main_~k~5 77), 73902#(<= ULTIMATE.start_main_~k~5 76), 73905#(<= ULTIMATE.start_main_~k~5 79), 73904#(<= ULTIMATE.start_main_~k~5 78), 73907#(<= ULTIMATE.start_main_~k~5 81), 73906#(<= ULTIMATE.start_main_~k~5 80), 73909#(<= ULTIMATE.start_main_~k~5 83), 73908#(<= ULTIMATE.start_main_~k~5 82), 73911#(<= ULTIMATE.start_main_~k~5 85), 73910#(<= ULTIMATE.start_main_~k~5 84), 73913#(<= ULTIMATE.start_main_~k~5 87), 73912#(<= ULTIMATE.start_main_~k~5 86), 73915#(<= ULTIMATE.start_main_~k~5 89), 73914#(<= ULTIMATE.start_main_~k~5 88), 73917#(<= ULTIMATE.start_main_~k~5 91), 73916#(<= ULTIMATE.start_main_~k~5 90), 73919#(<= ULTIMATE.start_main_~k~5 93), 73918#(<= ULTIMATE.start_main_~k~5 92), 73921#(<= ULTIMATE.start_main_~k~5 95), 73920#(<= ULTIMATE.start_main_~k~5 94), 73923#(<= ULTIMATE.start_main_~k~5 97), 73922#(<= ULTIMATE.start_main_~k~5 96), 73925#(<= ULTIMATE.start_main_~k~5 99), 73924#(<= ULTIMATE.start_main_~k~5 98), 73927#(<= ULTIMATE.start_main_~k~5 101), 73926#(<= ULTIMATE.start_main_~k~5 100), 73929#(<= ULTIMATE.start_main_~k~5 103), 73928#(<= ULTIMATE.start_main_~k~5 102), 73931#(<= ULTIMATE.start_main_~k~5 105), 73930#(<= ULTIMATE.start_main_~k~5 104), 73933#(<= ULTIMATE.start_main_~k~5 107), 73932#(<= ULTIMATE.start_main_~k~5 106), 73935#(<= ULTIMATE.start_main_~k~5 109), 73934#(<= ULTIMATE.start_main_~k~5 108), 73937#(<= ULTIMATE.start_main_~k~5 111), 73936#(<= ULTIMATE.start_main_~k~5 110), 73939#(<= ULTIMATE.start_main_~k~5 113), 73938#(<= ULTIMATE.start_main_~k~5 112), 73941#(<= ULTIMATE.start_main_~k~5 115), 73940#(<= ULTIMATE.start_main_~k~5 114), 73943#(<= ULTIMATE.start_main_~k~5 117), 73942#(<= ULTIMATE.start_main_~k~5 116), 73945#(<= ULTIMATE.start_main_~k~5 119), 73944#(<= ULTIMATE.start_main_~k~5 118), 73947#(<= ULTIMATE.start_main_~k~5 121), 73946#(<= ULTIMATE.start_main_~k~5 120), 73949#(<= ULTIMATE.start_main_~k~5 123), 73948#(<= ULTIMATE.start_main_~k~5 122), 73951#(<= ULTIMATE.start_main_~k~5 125), 73950#(<= ULTIMATE.start_main_~k~5 124), 73953#(<= ULTIMATE.start_main_~k~5 127), 73952#(<= ULTIMATE.start_main_~k~5 126), 73955#(<= ULTIMATE.start_main_~k~5 129), 73954#(<= ULTIMATE.start_main_~k~5 128), 73957#(<= ULTIMATE.start_main_~k~5 131), 73956#(<= ULTIMATE.start_main_~k~5 130), 73959#(<= ULTIMATE.start_main_~k~5 133), 73958#(<= ULTIMATE.start_main_~k~5 132), 73961#(<= ULTIMATE.start_main_~k~5 135), 73960#(<= ULTIMATE.start_main_~k~5 134), 73963#(<= ULTIMATE.start_main_~k~5 137), 73962#(<= ULTIMATE.start_main_~k~5 136), 73965#(<= ULTIMATE.start_main_~k~5 139), 73964#(<= ULTIMATE.start_main_~k~5 138), 73967#(<= ULTIMATE.start_main_~k~5 141), 73966#(<= ULTIMATE.start_main_~k~5 140), 73969#(<= ULTIMATE.start_main_~k~5 143), 73968#(<= ULTIMATE.start_main_~k~5 142), 73971#(<= ULTIMATE.start_main_~k~5 145), 73970#(<= ULTIMATE.start_main_~k~5 144), 73973#(<= ULTIMATE.start_main_~k~5 147), 73972#(<= ULTIMATE.start_main_~k~5 146), 73975#(<= ULTIMATE.start_main_~k~5 149), 73974#(<= ULTIMATE.start_main_~k~5 148), 73977#(<= ULTIMATE.start_main_~k~5 151), 73976#(<= ULTIMATE.start_main_~k~5 150), 73979#(<= ULTIMATE.start_main_~k~5 153), 73978#(<= ULTIMATE.start_main_~k~5 152), 73981#(<= ULTIMATE.start_main_~k~5 155), 73980#(<= ULTIMATE.start_main_~k~5 154), 73983#(<= ULTIMATE.start_main_~k~5 157), 73982#(<= ULTIMATE.start_main_~k~5 156)] [2018-07-23 13:41:55,296 INFO L134 CoverageAnalysis]: Checked inductivity of 14028 backedges. 0 proven. 14028 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2018-07-23 13:41:55,297 INFO L450 AbstractCegarLoop]: Interpolant automaton has 170 states [2018-07-23 13:41:55,299 INFO L132 InterpolantAutomaton]: Constructing interpolant automaton starting with 170 interpolants. [2018-07-23 13:41:55,300 INFO L133 InterpolantAutomaton]: CoverageRelationStatistics Valid=14365, Invalid=14365, Unknown=0, NotChecked=0, Total=28730 [2018-07-23 13:41:55,301 INFO L87 Difference]: Start difference. First operand 171 states and 171 transitions. Second operand 170 states. [2018-07-23 13:41:55,739 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2018-07-23 13:41:55,739 INFO L93 Difference]: Finished difference Result 174 states and 174 transitions. [2018-07-23 13:41:55,739 INFO L142 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 170 states. [2018-07-23 13:41:55,739 INFO L78 Accepts]: Start accepts. Automaton has 170 states. Word has length 170 [2018-07-23 13:41:55,740 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2018-07-23 13:41:55,740 INFO L225 Difference]: With dead ends: 174 [2018-07-23 13:41:55,740 INFO L226 Difference]: Without dead ends: 172 [2018-07-23 13:41:55,741 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 13:41:55,742 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 172 states. [2018-07-23 13:41:55,744 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 172 to 172. [2018-07-23 13:41:55,744 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 172 states. [2018-07-23 13:41:55,744 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 172 states to 172 states and 172 transitions. [2018-07-23 13:41:55,744 INFO L78 Accepts]: Start accepts. Automaton has 172 states and 172 transitions. Word has length 170 [2018-07-23 13:41:55,744 INFO L84 Accepts]: Finished accepts. word is rejected. [2018-07-23 13:41:55,745 INFO L471 AbstractCegarLoop]: Abstraction has 172 states and 172 transitions. [2018-07-23 13:41:55,745 INFO L472 AbstractCegarLoop]: Interpolant automaton has 170 states. [2018-07-23 13:41:55,745 INFO L276 IsEmpty]: Start isEmpty. Operand 172 states and 172 transitions. [2018-07-23 13:41:55,745 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 172 [2018-07-23 13:41:55,745 INFO L349 BasicCegarLoop]: Found error trace [2018-07-23 13:41:55,746 INFO L357 BasicCegarLoop]: trace histogram [168, 1, 1, 1] [2018-07-23 13:41:55,746 INFO L414 AbstractCegarLoop]: === Iteration 169 === [ULTIMATE.startErr0AssertViolationASSERT]=== [2018-07-23 13:41:55,746 INFO L82 PathProgramCache]: Analyzing trace with hash 1159388865, now seen corresponding path program 168 times [2018-07-23 13:41:55,746 INFO L69 tionRefinementEngine]: Using refinement strategy FixedRefinementStrategy [2018-07-23 13:41:55,811 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-07-23 13:41:56,517 INFO L134 CoverageAnalysis]: Checked inductivity of 14196 backedges. 0 proven. 14196 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2018-07-23 13:41:56,518 INFO L309 seRefinementStrategy]: Constructing automaton from 0 perfect and 1 imperfect interpolant sequences. [2018-07-23 13:41:56,518 INFO L324 seRefinementStrategy]: Number of different interpolants: perfect sequences [] imperfect sequences [170] total 170 [2018-07-23 13:41:56,518 INFO L142 lantAutomatonBuilder]: Constructing canonical interpolant automaton, with selfloop in false state [2018-07-23 13:41:56,518 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2018-07-23 13:41:56,519 INFO L185 omatonBuilderFactory]: Interpolants [74753#(<= ULTIMATE.start_main_~k~5 65), 74752#(<= ULTIMATE.start_main_~k~5 64), 74755#(<= ULTIMATE.start_main_~k~5 67), 74754#(<= ULTIMATE.start_main_~k~5 66), 74757#(<= ULTIMATE.start_main_~k~5 69), 74756#(<= ULTIMATE.start_main_~k~5 68), 74759#(<= ULTIMATE.start_main_~k~5 71), 74758#(<= ULTIMATE.start_main_~k~5 70), 74761#(<= ULTIMATE.start_main_~k~5 73), 74760#(<= ULTIMATE.start_main_~k~5 72), 74763#(<= ULTIMATE.start_main_~k~5 75), 74762#(<= ULTIMATE.start_main_~k~5 74), 74765#(<= ULTIMATE.start_main_~k~5 77), 74764#(<= ULTIMATE.start_main_~k~5 76), 74767#(<= ULTIMATE.start_main_~k~5 79), 74766#(<= ULTIMATE.start_main_~k~5 78), 74769#(<= ULTIMATE.start_main_~k~5 81), 74768#(<= ULTIMATE.start_main_~k~5 80), 74771#(<= ULTIMATE.start_main_~k~5 83), 74770#(<= ULTIMATE.start_main_~k~5 82), 74773#(<= ULTIMATE.start_main_~k~5 85), 74772#(<= ULTIMATE.start_main_~k~5 84), 74775#(<= ULTIMATE.start_main_~k~5 87), 74774#(<= ULTIMATE.start_main_~k~5 86), 74777#(<= ULTIMATE.start_main_~k~5 89), 74776#(<= ULTIMATE.start_main_~k~5 88), 74779#(<= ULTIMATE.start_main_~k~5 91), 74778#(<= ULTIMATE.start_main_~k~5 90), 74781#(<= ULTIMATE.start_main_~k~5 93), 74780#(<= ULTIMATE.start_main_~k~5 92), 74783#(<= ULTIMATE.start_main_~k~5 95), 74782#(<= ULTIMATE.start_main_~k~5 94), 74785#(<= ULTIMATE.start_main_~k~5 97), 74784#(<= ULTIMATE.start_main_~k~5 96), 74787#(<= ULTIMATE.start_main_~k~5 99), 74786#(<= ULTIMATE.start_main_~k~5 98), 74789#(<= ULTIMATE.start_main_~k~5 101), 74788#(<= ULTIMATE.start_main_~k~5 100), 74791#(<= ULTIMATE.start_main_~k~5 103), 74790#(<= ULTIMATE.start_main_~k~5 102), 74793#(<= ULTIMATE.start_main_~k~5 105), 74792#(<= ULTIMATE.start_main_~k~5 104), 74795#(<= ULTIMATE.start_main_~k~5 107), 74794#(<= ULTIMATE.start_main_~k~5 106), 74797#(<= ULTIMATE.start_main_~k~5 109), 74796#(<= ULTIMATE.start_main_~k~5 108), 74799#(<= ULTIMATE.start_main_~k~5 111), 74798#(<= ULTIMATE.start_main_~k~5 110), 74801#(<= ULTIMATE.start_main_~k~5 113), 74800#(<= ULTIMATE.start_main_~k~5 112), 74803#(<= ULTIMATE.start_main_~k~5 115), 74802#(<= ULTIMATE.start_main_~k~5 114), 74805#(<= ULTIMATE.start_main_~k~5 117), 74804#(<= ULTIMATE.start_main_~k~5 116), 74807#(<= ULTIMATE.start_main_~k~5 119), 74806#(<= ULTIMATE.start_main_~k~5 118), 74809#(<= ULTIMATE.start_main_~k~5 121), 74808#(<= ULTIMATE.start_main_~k~5 120), 74811#(<= ULTIMATE.start_main_~k~5 123), 74810#(<= ULTIMATE.start_main_~k~5 122), 74813#(<= ULTIMATE.start_main_~k~5 125), 74812#(<= ULTIMATE.start_main_~k~5 124), 74815#(<= ULTIMATE.start_main_~k~5 127), 74814#(<= ULTIMATE.start_main_~k~5 126), 74817#(<= ULTIMATE.start_main_~k~5 129), 74816#(<= ULTIMATE.start_main_~k~5 128), 74819#(<= ULTIMATE.start_main_~k~5 131), 74818#(<= ULTIMATE.start_main_~k~5 130), 74821#(<= ULTIMATE.start_main_~k~5 133), 74820#(<= ULTIMATE.start_main_~k~5 132), 74823#(<= ULTIMATE.start_main_~k~5 135), 74822#(<= ULTIMATE.start_main_~k~5 134), 74825#(<= ULTIMATE.start_main_~k~5 137), 74824#(<= ULTIMATE.start_main_~k~5 136), 74827#(<= ULTIMATE.start_main_~k~5 139), 74826#(<= ULTIMATE.start_main_~k~5 138), 74829#(<= ULTIMATE.start_main_~k~5 141), 74828#(<= ULTIMATE.start_main_~k~5 140), 74831#(<= ULTIMATE.start_main_~k~5 143), 74830#(<= ULTIMATE.start_main_~k~5 142), 74833#(<= ULTIMATE.start_main_~k~5 145), 74832#(<= ULTIMATE.start_main_~k~5 144), 74835#(<= ULTIMATE.start_main_~k~5 147), 74834#(<= ULTIMATE.start_main_~k~5 146), 74837#(<= ULTIMATE.start_main_~k~5 149), 74836#(<= ULTIMATE.start_main_~k~5 148), 74839#(<= ULTIMATE.start_main_~k~5 151), 74838#(<= ULTIMATE.start_main_~k~5 150), 74841#(<= ULTIMATE.start_main_~k~5 153), 74840#(<= ULTIMATE.start_main_~k~5 152), 74843#(<= ULTIMATE.start_main_~k~5 155), 74842#(<= ULTIMATE.start_main_~k~5 154), 74845#(<= ULTIMATE.start_main_~k~5 157), 74844#(<= ULTIMATE.start_main_~k~5 156), 74847#(<= ULTIMATE.start_main_~k~5 159), 74846#(<= ULTIMATE.start_main_~k~5 158), 74849#(<= ULTIMATE.start_main_~k~5 161), 74848#(<= ULTIMATE.start_main_~k~5 160), 74851#(<= ULTIMATE.start_main_~k~5 163), 74850#(<= ULTIMATE.start_main_~k~5 162), 74853#(<= ULTIMATE.start_main_~k~5 165), 74852#(<= ULTIMATE.start_main_~k~5 164), 74855#(<= ULTIMATE.start_main_~k~5 167), 74854#(<= ULTIMATE.start_main_~k~5 166), 74856#(<= ULTIMATE.start_main_~k~5 168), 74687#false, 74686#true, 74689#(<= ULTIMATE.start_main_~k~5 1), 74688#(<= ULTIMATE.start_main_~k~5 0), 74691#(<= ULTIMATE.start_main_~k~5 3), 74690#(<= ULTIMATE.start_main_~k~5 2), 74693#(<= ULTIMATE.start_main_~k~5 5), 74692#(<= ULTIMATE.start_main_~k~5 4), 74695#(<= ULTIMATE.start_main_~k~5 7), 74694#(<= ULTIMATE.start_main_~k~5 6), 74697#(<= ULTIMATE.start_main_~k~5 9), 74696#(<= ULTIMATE.start_main_~k~5 8), 74699#(<= ULTIMATE.start_main_~k~5 11), 74698#(<= ULTIMATE.start_main_~k~5 10), 74701#(<= ULTIMATE.start_main_~k~5 13), 74700#(<= ULTIMATE.start_main_~k~5 12), 74703#(<= ULTIMATE.start_main_~k~5 15), 74702#(<= ULTIMATE.start_main_~k~5 14), 74705#(<= ULTIMATE.start_main_~k~5 17), 74704#(<= ULTIMATE.start_main_~k~5 16), 74707#(<= ULTIMATE.start_main_~k~5 19), 74706#(<= ULTIMATE.start_main_~k~5 18), 74709#(<= ULTIMATE.start_main_~k~5 21), 74708#(<= ULTIMATE.start_main_~k~5 20), 74711#(<= ULTIMATE.start_main_~k~5 23), 74710#(<= ULTIMATE.start_main_~k~5 22), 74713#(<= ULTIMATE.start_main_~k~5 25), 74712#(<= ULTIMATE.start_main_~k~5 24), 74715#(<= ULTIMATE.start_main_~k~5 27), 74714#(<= ULTIMATE.start_main_~k~5 26), 74717#(<= ULTIMATE.start_main_~k~5 29), 74716#(<= ULTIMATE.start_main_~k~5 28), 74719#(<= ULTIMATE.start_main_~k~5 31), 74718#(<= ULTIMATE.start_main_~k~5 30), 74721#(<= ULTIMATE.start_main_~k~5 33), 74720#(<= ULTIMATE.start_main_~k~5 32), 74723#(<= ULTIMATE.start_main_~k~5 35), 74722#(<= ULTIMATE.start_main_~k~5 34), 74725#(<= ULTIMATE.start_main_~k~5 37), 74724#(<= ULTIMATE.start_main_~k~5 36), 74727#(<= ULTIMATE.start_main_~k~5 39), 74726#(<= ULTIMATE.start_main_~k~5 38), 74729#(<= ULTIMATE.start_main_~k~5 41), 74728#(<= ULTIMATE.start_main_~k~5 40), 74731#(<= ULTIMATE.start_main_~k~5 43), 74730#(<= ULTIMATE.start_main_~k~5 42), 74733#(<= ULTIMATE.start_main_~k~5 45), 74732#(<= ULTIMATE.start_main_~k~5 44), 74735#(<= ULTIMATE.start_main_~k~5 47), 74734#(<= ULTIMATE.start_main_~k~5 46), 74737#(<= ULTIMATE.start_main_~k~5 49), 74736#(<= ULTIMATE.start_main_~k~5 48), 74739#(<= ULTIMATE.start_main_~k~5 51), 74738#(<= ULTIMATE.start_main_~k~5 50), 74741#(<= ULTIMATE.start_main_~k~5 53), 74740#(<= ULTIMATE.start_main_~k~5 52), 74743#(<= ULTIMATE.start_main_~k~5 55), 74742#(<= ULTIMATE.start_main_~k~5 54), 74745#(<= ULTIMATE.start_main_~k~5 57), 74744#(<= ULTIMATE.start_main_~k~5 56), 74747#(<= ULTIMATE.start_main_~k~5 59), 74746#(<= ULTIMATE.start_main_~k~5 58), 74749#(<= ULTIMATE.start_main_~k~5 61), 74748#(<= ULTIMATE.start_main_~k~5 60), 74751#(<= ULTIMATE.start_main_~k~5 63), 74750#(<= ULTIMATE.start_main_~k~5 62)] [2018-07-23 13:41:56,519 INFO L134 CoverageAnalysis]: Checked inductivity of 14196 backedges. 0 proven. 14196 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2018-07-23 13:41:56,520 INFO L450 AbstractCegarLoop]: Interpolant automaton has 171 states [2018-07-23 13:41:56,522 INFO L132 InterpolantAutomaton]: Constructing interpolant automaton starting with 171 interpolants. [2018-07-23 13:41:56,523 INFO L133 InterpolantAutomaton]: CoverageRelationStatistics Valid=14535, Invalid=14535, Unknown=0, NotChecked=0, Total=29070 [2018-07-23 13:41:56,523 INFO L87 Difference]: Start difference. First operand 172 states and 172 transitions. Second operand 171 states. [2018-07-23 13:41:56,786 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2018-07-23 13:41:56,786 INFO L93 Difference]: Finished difference Result 175 states and 175 transitions. [2018-07-23 13:41:56,787 INFO L142 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 171 states. [2018-07-23 13:41:56,787 INFO L78 Accepts]: Start accepts. Automaton has 171 states. Word has length 171 [2018-07-23 13:41:56,787 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2018-07-23 13:41:56,787 INFO L225 Difference]: With dead ends: 175 [2018-07-23 13:41:56,787 INFO L226 Difference]: Without dead ends: 173 [2018-07-23 13:41:56,789 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 13:41:56,789 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 173 states. [2018-07-23 13:41:56,790 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 173 to 173. [2018-07-23 13:41:56,790 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 173 states. [2018-07-23 13:41:56,791 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 173 states to 173 states and 173 transitions. [2018-07-23 13:41:56,791 INFO L78 Accepts]: Start accepts. Automaton has 173 states and 173 transitions. Word has length 171 [2018-07-23 13:41:56,791 INFO L84 Accepts]: Finished accepts. word is rejected. [2018-07-23 13:41:56,791 INFO L471 AbstractCegarLoop]: Abstraction has 173 states and 173 transitions. [2018-07-23 13:41:56,791 INFO L472 AbstractCegarLoop]: Interpolant automaton has 171 states. [2018-07-23 13:41:56,791 INFO L276 IsEmpty]: Start isEmpty. Operand 173 states and 173 transitions. [2018-07-23 13:41:56,791 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 173 [2018-07-23 13:41:56,792 INFO L349 BasicCegarLoop]: Found error trace [2018-07-23 13:41:56,792 INFO L357 BasicCegarLoop]: trace histogram [169, 1, 1, 1] [2018-07-23 13:41:56,792 INFO L414 AbstractCegarLoop]: === Iteration 170 === [ULTIMATE.startErr0AssertViolationASSERT]=== [2018-07-23 13:41:56,792 INFO L82 PathProgramCache]: Analyzing trace with hash 1581314472, now seen corresponding path program 169 times [2018-07-23 13:41:56,792 INFO L69 tionRefinementEngine]: Using refinement strategy FixedRefinementStrategy [2018-07-23 13:41:56,854 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-07-23 13:41:57,581 INFO L134 CoverageAnalysis]: Checked inductivity of 14365 backedges. 0 proven. 14365 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2018-07-23 13:41:57,582 INFO L309 seRefinementStrategy]: Constructing automaton from 0 perfect and 1 imperfect interpolant sequences. [2018-07-23 13:41:57,582 INFO L324 seRefinementStrategy]: Number of different interpolants: perfect sequences [] imperfect sequences [171] total 171 [2018-07-23 13:41:57,582 INFO L142 lantAutomatonBuilder]: Constructing canonical interpolant automaton, with selfloop in false state [2018-07-23 13:41:57,582 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2018-07-23 13:41:57,582 INFO L185 omatonBuilderFactory]: Interpolants [75553#true, 75555#(<= ULTIMATE.start_main_~k~5 0), 75554#false, 75557#(<= ULTIMATE.start_main_~k~5 2), 75556#(<= ULTIMATE.start_main_~k~5 1), 75559#(<= ULTIMATE.start_main_~k~5 4), 75558#(<= ULTIMATE.start_main_~k~5 3), 75561#(<= ULTIMATE.start_main_~k~5 6), 75560#(<= ULTIMATE.start_main_~k~5 5), 75563#(<= ULTIMATE.start_main_~k~5 8), 75562#(<= ULTIMATE.start_main_~k~5 7), 75565#(<= ULTIMATE.start_main_~k~5 10), 75564#(<= ULTIMATE.start_main_~k~5 9), 75567#(<= ULTIMATE.start_main_~k~5 12), 75566#(<= ULTIMATE.start_main_~k~5 11), 75569#(<= ULTIMATE.start_main_~k~5 14), 75568#(<= ULTIMATE.start_main_~k~5 13), 75571#(<= ULTIMATE.start_main_~k~5 16), 75570#(<= ULTIMATE.start_main_~k~5 15), 75573#(<= ULTIMATE.start_main_~k~5 18), 75572#(<= ULTIMATE.start_main_~k~5 17), 75575#(<= ULTIMATE.start_main_~k~5 20), 75574#(<= ULTIMATE.start_main_~k~5 19), 75577#(<= ULTIMATE.start_main_~k~5 22), 75576#(<= ULTIMATE.start_main_~k~5 21), 75579#(<= ULTIMATE.start_main_~k~5 24), 75578#(<= ULTIMATE.start_main_~k~5 23), 75581#(<= ULTIMATE.start_main_~k~5 26), 75580#(<= ULTIMATE.start_main_~k~5 25), 75583#(<= ULTIMATE.start_main_~k~5 28), 75582#(<= ULTIMATE.start_main_~k~5 27), 75585#(<= ULTIMATE.start_main_~k~5 30), 75584#(<= ULTIMATE.start_main_~k~5 29), 75587#(<= ULTIMATE.start_main_~k~5 32), 75586#(<= ULTIMATE.start_main_~k~5 31), 75589#(<= ULTIMATE.start_main_~k~5 34), 75588#(<= ULTIMATE.start_main_~k~5 33), 75591#(<= ULTIMATE.start_main_~k~5 36), 75590#(<= ULTIMATE.start_main_~k~5 35), 75593#(<= ULTIMATE.start_main_~k~5 38), 75592#(<= ULTIMATE.start_main_~k~5 37), 75595#(<= ULTIMATE.start_main_~k~5 40), 75594#(<= ULTIMATE.start_main_~k~5 39), 75597#(<= ULTIMATE.start_main_~k~5 42), 75596#(<= ULTIMATE.start_main_~k~5 41), 75599#(<= ULTIMATE.start_main_~k~5 44), 75598#(<= ULTIMATE.start_main_~k~5 43), 75601#(<= ULTIMATE.start_main_~k~5 46), 75600#(<= ULTIMATE.start_main_~k~5 45), 75603#(<= ULTIMATE.start_main_~k~5 48), 75602#(<= ULTIMATE.start_main_~k~5 47), 75605#(<= ULTIMATE.start_main_~k~5 50), 75604#(<= ULTIMATE.start_main_~k~5 49), 75607#(<= ULTIMATE.start_main_~k~5 52), 75606#(<= ULTIMATE.start_main_~k~5 51), 75609#(<= ULTIMATE.start_main_~k~5 54), 75608#(<= ULTIMATE.start_main_~k~5 53), 75611#(<= ULTIMATE.start_main_~k~5 56), 75610#(<= ULTIMATE.start_main_~k~5 55), 75613#(<= ULTIMATE.start_main_~k~5 58), 75612#(<= ULTIMATE.start_main_~k~5 57), 75615#(<= ULTIMATE.start_main_~k~5 60), 75614#(<= ULTIMATE.start_main_~k~5 59), 75617#(<= ULTIMATE.start_main_~k~5 62), 75616#(<= ULTIMATE.start_main_~k~5 61), 75619#(<= ULTIMATE.start_main_~k~5 64), 75618#(<= ULTIMATE.start_main_~k~5 63), 75621#(<= ULTIMATE.start_main_~k~5 66), 75620#(<= ULTIMATE.start_main_~k~5 65), 75623#(<= ULTIMATE.start_main_~k~5 68), 75622#(<= ULTIMATE.start_main_~k~5 67), 75625#(<= ULTIMATE.start_main_~k~5 70), 75624#(<= ULTIMATE.start_main_~k~5 69), 75627#(<= ULTIMATE.start_main_~k~5 72), 75626#(<= ULTIMATE.start_main_~k~5 71), 75629#(<= ULTIMATE.start_main_~k~5 74), 75628#(<= ULTIMATE.start_main_~k~5 73), 75631#(<= ULTIMATE.start_main_~k~5 76), 75630#(<= ULTIMATE.start_main_~k~5 75), 75633#(<= ULTIMATE.start_main_~k~5 78), 75632#(<= ULTIMATE.start_main_~k~5 77), 75635#(<= ULTIMATE.start_main_~k~5 80), 75634#(<= ULTIMATE.start_main_~k~5 79), 75637#(<= ULTIMATE.start_main_~k~5 82), 75636#(<= ULTIMATE.start_main_~k~5 81), 75639#(<= ULTIMATE.start_main_~k~5 84), 75638#(<= ULTIMATE.start_main_~k~5 83), 75641#(<= ULTIMATE.start_main_~k~5 86), 75640#(<= ULTIMATE.start_main_~k~5 85), 75643#(<= ULTIMATE.start_main_~k~5 88), 75642#(<= ULTIMATE.start_main_~k~5 87), 75645#(<= ULTIMATE.start_main_~k~5 90), 75644#(<= ULTIMATE.start_main_~k~5 89), 75647#(<= ULTIMATE.start_main_~k~5 92), 75646#(<= ULTIMATE.start_main_~k~5 91), 75649#(<= ULTIMATE.start_main_~k~5 94), 75648#(<= ULTIMATE.start_main_~k~5 93), 75651#(<= ULTIMATE.start_main_~k~5 96), 75650#(<= ULTIMATE.start_main_~k~5 95), 75653#(<= ULTIMATE.start_main_~k~5 98), 75652#(<= ULTIMATE.start_main_~k~5 97), 75655#(<= ULTIMATE.start_main_~k~5 100), 75654#(<= ULTIMATE.start_main_~k~5 99), 75657#(<= ULTIMATE.start_main_~k~5 102), 75656#(<= ULTIMATE.start_main_~k~5 101), 75659#(<= ULTIMATE.start_main_~k~5 104), 75658#(<= ULTIMATE.start_main_~k~5 103), 75661#(<= ULTIMATE.start_main_~k~5 106), 75660#(<= ULTIMATE.start_main_~k~5 105), 75663#(<= ULTIMATE.start_main_~k~5 108), 75662#(<= ULTIMATE.start_main_~k~5 107), 75665#(<= ULTIMATE.start_main_~k~5 110), 75664#(<= ULTIMATE.start_main_~k~5 109), 75667#(<= ULTIMATE.start_main_~k~5 112), 75666#(<= ULTIMATE.start_main_~k~5 111), 75669#(<= ULTIMATE.start_main_~k~5 114), 75668#(<= ULTIMATE.start_main_~k~5 113), 75671#(<= ULTIMATE.start_main_~k~5 116), 75670#(<= ULTIMATE.start_main_~k~5 115), 75673#(<= ULTIMATE.start_main_~k~5 118), 75672#(<= ULTIMATE.start_main_~k~5 117), 75675#(<= ULTIMATE.start_main_~k~5 120), 75674#(<= ULTIMATE.start_main_~k~5 119), 75677#(<= ULTIMATE.start_main_~k~5 122), 75676#(<= ULTIMATE.start_main_~k~5 121), 75679#(<= ULTIMATE.start_main_~k~5 124), 75678#(<= ULTIMATE.start_main_~k~5 123), 75681#(<= ULTIMATE.start_main_~k~5 126), 75680#(<= ULTIMATE.start_main_~k~5 125), 75683#(<= ULTIMATE.start_main_~k~5 128), 75682#(<= ULTIMATE.start_main_~k~5 127), 75685#(<= ULTIMATE.start_main_~k~5 130), 75684#(<= ULTIMATE.start_main_~k~5 129), 75687#(<= ULTIMATE.start_main_~k~5 132), 75686#(<= ULTIMATE.start_main_~k~5 131), 75689#(<= ULTIMATE.start_main_~k~5 134), 75688#(<= ULTIMATE.start_main_~k~5 133), 75691#(<= ULTIMATE.start_main_~k~5 136), 75690#(<= ULTIMATE.start_main_~k~5 135), 75693#(<= ULTIMATE.start_main_~k~5 138), 75692#(<= ULTIMATE.start_main_~k~5 137), 75695#(<= ULTIMATE.start_main_~k~5 140), 75694#(<= ULTIMATE.start_main_~k~5 139), 75697#(<= ULTIMATE.start_main_~k~5 142), 75696#(<= ULTIMATE.start_main_~k~5 141), 75699#(<= ULTIMATE.start_main_~k~5 144), 75698#(<= ULTIMATE.start_main_~k~5 143), 75701#(<= ULTIMATE.start_main_~k~5 146), 75700#(<= ULTIMATE.start_main_~k~5 145), 75703#(<= ULTIMATE.start_main_~k~5 148), 75702#(<= ULTIMATE.start_main_~k~5 147), 75705#(<= ULTIMATE.start_main_~k~5 150), 75704#(<= ULTIMATE.start_main_~k~5 149), 75707#(<= ULTIMATE.start_main_~k~5 152), 75706#(<= ULTIMATE.start_main_~k~5 151), 75709#(<= ULTIMATE.start_main_~k~5 154), 75708#(<= ULTIMATE.start_main_~k~5 153), 75711#(<= ULTIMATE.start_main_~k~5 156), 75710#(<= ULTIMATE.start_main_~k~5 155), 75713#(<= ULTIMATE.start_main_~k~5 158), 75712#(<= ULTIMATE.start_main_~k~5 157), 75715#(<= ULTIMATE.start_main_~k~5 160), 75714#(<= ULTIMATE.start_main_~k~5 159), 75717#(<= ULTIMATE.start_main_~k~5 162), 75716#(<= ULTIMATE.start_main_~k~5 161), 75719#(<= ULTIMATE.start_main_~k~5 164), 75718#(<= ULTIMATE.start_main_~k~5 163), 75721#(<= ULTIMATE.start_main_~k~5 166), 75720#(<= ULTIMATE.start_main_~k~5 165), 75723#(<= ULTIMATE.start_main_~k~5 168), 75722#(<= ULTIMATE.start_main_~k~5 167), 75724#(<= ULTIMATE.start_main_~k~5 169)] [2018-07-23 13:41:57,583 INFO L134 CoverageAnalysis]: Checked inductivity of 14365 backedges. 0 proven. 14365 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2018-07-23 13:41:57,583 INFO L450 AbstractCegarLoop]: Interpolant automaton has 172 states [2018-07-23 13:41:57,586 INFO L132 InterpolantAutomaton]: Constructing interpolant automaton starting with 172 interpolants. [2018-07-23 13:41:57,587 INFO L133 InterpolantAutomaton]: CoverageRelationStatistics Valid=14706, Invalid=14706, Unknown=0, NotChecked=0, Total=29412 [2018-07-23 13:41:57,587 INFO L87 Difference]: Start difference. First operand 173 states and 173 transitions. Second operand 172 states. [2018-07-23 13:41:58,199 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2018-07-23 13:41:58,199 INFO L93 Difference]: Finished difference Result 176 states and 176 transitions. [2018-07-23 13:41:58,199 INFO L142 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 172 states. [2018-07-23 13:41:58,199 INFO L78 Accepts]: Start accepts. Automaton has 172 states. Word has length 172 [2018-07-23 13:41:58,199 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2018-07-23 13:41:58,200 INFO L225 Difference]: With dead ends: 176 [2018-07-23 13:41:58,200 INFO L226 Difference]: Without dead ends: 174 [2018-07-23 13:41:58,201 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 13:41:58,201 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 174 states. [2018-07-23 13:41:58,203 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 174 to 174. [2018-07-23 13:41:58,203 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 174 states. [2018-07-23 13:41:58,203 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 174 states to 174 states and 174 transitions. [2018-07-23 13:41:58,204 INFO L78 Accepts]: Start accepts. Automaton has 174 states and 174 transitions. Word has length 172 [2018-07-23 13:41:58,204 INFO L84 Accepts]: Finished accepts. word is rejected. [2018-07-23 13:41:58,204 INFO L471 AbstractCegarLoop]: Abstraction has 174 states and 174 transitions. [2018-07-23 13:41:58,204 INFO L472 AbstractCegarLoop]: Interpolant automaton has 172 states. [2018-07-23 13:41:58,204 INFO L276 IsEmpty]: Start isEmpty. Operand 174 states and 174 transitions. [2018-07-23 13:41:58,204 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 174 [2018-07-23 13:41:58,204 INFO L349 BasicCegarLoop]: Found error trace [2018-07-23 13:41:58,204 INFO L357 BasicCegarLoop]: trace histogram [170, 1, 1, 1] [2018-07-23 13:41:58,204 INFO L414 AbstractCegarLoop]: === Iteration 171 === [ULTIMATE.startErr0AssertViolationASSERT]=== [2018-07-23 13:41:58,205 INFO L82 PathProgramCache]: Analyzing trace with hash 1776106401, now seen corresponding path program 170 times [2018-07-23 13:41:58,205 INFO L69 tionRefinementEngine]: Using refinement strategy FixedRefinementStrategy [2018-07-23 13:41:58,270 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-07-23 13:41:59,031 INFO L134 CoverageAnalysis]: Checked inductivity of 14535 backedges. 0 proven. 14535 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2018-07-23 13:41:59,031 INFO L309 seRefinementStrategy]: Constructing automaton from 0 perfect and 1 imperfect interpolant sequences. [2018-07-23 13:41:59,032 INFO L324 seRefinementStrategy]: Number of different interpolants: perfect sequences [] imperfect sequences [172] total 172 [2018-07-23 13:41:59,032 INFO L142 lantAutomatonBuilder]: Constructing canonical interpolant automaton, with selfloop in false state [2018-07-23 13:41:59,032 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 13:41:59,032 INFO L185 omatonBuilderFactory]: Interpolants [76545#(<= ULTIMATE.start_main_~k~5 118), 76544#(<= ULTIMATE.start_main_~k~5 117), 76547#(<= ULTIMATE.start_main_~k~5 120), 76546#(<= ULTIMATE.start_main_~k~5 119), 76549#(<= ULTIMATE.start_main_~k~5 122), 76548#(<= ULTIMATE.start_main_~k~5 121), 76551#(<= ULTIMATE.start_main_~k~5 124), 76550#(<= ULTIMATE.start_main_~k~5 123), 76553#(<= ULTIMATE.start_main_~k~5 126), 76552#(<= ULTIMATE.start_main_~k~5 125), 76555#(<= ULTIMATE.start_main_~k~5 128), 76554#(<= ULTIMATE.start_main_~k~5 127), 76557#(<= ULTIMATE.start_main_~k~5 130), 76556#(<= ULTIMATE.start_main_~k~5 129), 76559#(<= ULTIMATE.start_main_~k~5 132), 76558#(<= ULTIMATE.start_main_~k~5 131), 76561#(<= ULTIMATE.start_main_~k~5 134), 76560#(<= ULTIMATE.start_main_~k~5 133), 76563#(<= ULTIMATE.start_main_~k~5 136), 76562#(<= ULTIMATE.start_main_~k~5 135), 76565#(<= ULTIMATE.start_main_~k~5 138), 76564#(<= ULTIMATE.start_main_~k~5 137), 76567#(<= ULTIMATE.start_main_~k~5 140), 76566#(<= ULTIMATE.start_main_~k~5 139), 76569#(<= ULTIMATE.start_main_~k~5 142), 76568#(<= ULTIMATE.start_main_~k~5 141), 76571#(<= ULTIMATE.start_main_~k~5 144), 76570#(<= ULTIMATE.start_main_~k~5 143), 76573#(<= ULTIMATE.start_main_~k~5 146), 76572#(<= ULTIMATE.start_main_~k~5 145), 76575#(<= ULTIMATE.start_main_~k~5 148), 76574#(<= ULTIMATE.start_main_~k~5 147), 76577#(<= ULTIMATE.start_main_~k~5 150), 76576#(<= ULTIMATE.start_main_~k~5 149), 76579#(<= ULTIMATE.start_main_~k~5 152), 76578#(<= ULTIMATE.start_main_~k~5 151), 76581#(<= ULTIMATE.start_main_~k~5 154), 76580#(<= ULTIMATE.start_main_~k~5 153), 76583#(<= ULTIMATE.start_main_~k~5 156), 76582#(<= ULTIMATE.start_main_~k~5 155), 76585#(<= ULTIMATE.start_main_~k~5 158), 76584#(<= ULTIMATE.start_main_~k~5 157), 76587#(<= ULTIMATE.start_main_~k~5 160), 76586#(<= ULTIMATE.start_main_~k~5 159), 76589#(<= ULTIMATE.start_main_~k~5 162), 76588#(<= ULTIMATE.start_main_~k~5 161), 76591#(<= ULTIMATE.start_main_~k~5 164), 76590#(<= ULTIMATE.start_main_~k~5 163), 76593#(<= ULTIMATE.start_main_~k~5 166), 76592#(<= ULTIMATE.start_main_~k~5 165), 76595#(<= ULTIMATE.start_main_~k~5 168), 76594#(<= ULTIMATE.start_main_~k~5 167), 76597#(<= ULTIMATE.start_main_~k~5 170), 76596#(<= ULTIMATE.start_main_~k~5 169), 76425#true, 76427#(<= ULTIMATE.start_main_~k~5 0), 76426#false, 76429#(<= ULTIMATE.start_main_~k~5 2), 76428#(<= ULTIMATE.start_main_~k~5 1), 76431#(<= ULTIMATE.start_main_~k~5 4), 76430#(<= ULTIMATE.start_main_~k~5 3), 76433#(<= ULTIMATE.start_main_~k~5 6), 76432#(<= ULTIMATE.start_main_~k~5 5), 76435#(<= ULTIMATE.start_main_~k~5 8), 76434#(<= ULTIMATE.start_main_~k~5 7), 76437#(<= ULTIMATE.start_main_~k~5 10), 76436#(<= ULTIMATE.start_main_~k~5 9), 76439#(<= ULTIMATE.start_main_~k~5 12), 76438#(<= ULTIMATE.start_main_~k~5 11), 76441#(<= ULTIMATE.start_main_~k~5 14), 76440#(<= ULTIMATE.start_main_~k~5 13), 76443#(<= ULTIMATE.start_main_~k~5 16), 76442#(<= ULTIMATE.start_main_~k~5 15), 76445#(<= ULTIMATE.start_main_~k~5 18), 76444#(<= ULTIMATE.start_main_~k~5 17), 76447#(<= ULTIMATE.start_main_~k~5 20), 76446#(<= ULTIMATE.start_main_~k~5 19), 76449#(<= ULTIMATE.start_main_~k~5 22), 76448#(<= ULTIMATE.start_main_~k~5 21), 76451#(<= ULTIMATE.start_main_~k~5 24), 76450#(<= ULTIMATE.start_main_~k~5 23), 76453#(<= ULTIMATE.start_main_~k~5 26), 76452#(<= ULTIMATE.start_main_~k~5 25), 76455#(<= ULTIMATE.start_main_~k~5 28), 76454#(<= ULTIMATE.start_main_~k~5 27), 76457#(<= ULTIMATE.start_main_~k~5 30), 76456#(<= ULTIMATE.start_main_~k~5 29), 76459#(<= ULTIMATE.start_main_~k~5 32), 76458#(<= ULTIMATE.start_main_~k~5 31), 76461#(<= ULTIMATE.start_main_~k~5 34), 76460#(<= ULTIMATE.start_main_~k~5 33), 76463#(<= ULTIMATE.start_main_~k~5 36), 76462#(<= ULTIMATE.start_main_~k~5 35), 76465#(<= ULTIMATE.start_main_~k~5 38), 76464#(<= ULTIMATE.start_main_~k~5 37), 76467#(<= ULTIMATE.start_main_~k~5 40), 76466#(<= ULTIMATE.start_main_~k~5 39), 76469#(<= ULTIMATE.start_main_~k~5 42), 76468#(<= ULTIMATE.start_main_~k~5 41), 76471#(<= ULTIMATE.start_main_~k~5 44), 76470#(<= ULTIMATE.start_main_~k~5 43), 76473#(<= ULTIMATE.start_main_~k~5 46), 76472#(<= ULTIMATE.start_main_~k~5 45), 76475#(<= ULTIMATE.start_main_~k~5 48), 76474#(<= ULTIMATE.start_main_~k~5 47), 76477#(<= ULTIMATE.start_main_~k~5 50), 76476#(<= ULTIMATE.start_main_~k~5 49), 76479#(<= ULTIMATE.start_main_~k~5 52), 76478#(<= ULTIMATE.start_main_~k~5 51), 76481#(<= ULTIMATE.start_main_~k~5 54), 76480#(<= ULTIMATE.start_main_~k~5 53), 76483#(<= ULTIMATE.start_main_~k~5 56), 76482#(<= ULTIMATE.start_main_~k~5 55), 76485#(<= ULTIMATE.start_main_~k~5 58), 76484#(<= ULTIMATE.start_main_~k~5 57), 76487#(<= ULTIMATE.start_main_~k~5 60), 76486#(<= ULTIMATE.start_main_~k~5 59), 76489#(<= ULTIMATE.start_main_~k~5 62), 76488#(<= ULTIMATE.start_main_~k~5 61), 76491#(<= ULTIMATE.start_main_~k~5 64), 76490#(<= ULTIMATE.start_main_~k~5 63), 76493#(<= ULTIMATE.start_main_~k~5 66), 76492#(<= ULTIMATE.start_main_~k~5 65), 76495#(<= ULTIMATE.start_main_~k~5 68), 76494#(<= ULTIMATE.start_main_~k~5 67), 76497#(<= ULTIMATE.start_main_~k~5 70), 76496#(<= ULTIMATE.start_main_~k~5 69), 76499#(<= ULTIMATE.start_main_~k~5 72), 76498#(<= ULTIMATE.start_main_~k~5 71), 76501#(<= ULTIMATE.start_main_~k~5 74), 76500#(<= ULTIMATE.start_main_~k~5 73), 76503#(<= ULTIMATE.start_main_~k~5 76), 76502#(<= ULTIMATE.start_main_~k~5 75), 76505#(<= ULTIMATE.start_main_~k~5 78), 76504#(<= ULTIMATE.start_main_~k~5 77), 76507#(<= ULTIMATE.start_main_~k~5 80), 76506#(<= ULTIMATE.start_main_~k~5 79), 76509#(<= ULTIMATE.start_main_~k~5 82), 76508#(<= ULTIMATE.start_main_~k~5 81), 76511#(<= ULTIMATE.start_main_~k~5 84), 76510#(<= ULTIMATE.start_main_~k~5 83), 76513#(<= ULTIMATE.start_main_~k~5 86), 76512#(<= ULTIMATE.start_main_~k~5 85), 76515#(<= ULTIMATE.start_main_~k~5 88), 76514#(<= ULTIMATE.start_main_~k~5 87), 76517#(<= ULTIMATE.start_main_~k~5 90), 76516#(<= ULTIMATE.start_main_~k~5 89), 76519#(<= ULTIMATE.start_main_~k~5 92), 76518#(<= ULTIMATE.start_main_~k~5 91), 76521#(<= ULTIMATE.start_main_~k~5 94), 76520#(<= ULTIMATE.start_main_~k~5 93), 76523#(<= ULTIMATE.start_main_~k~5 96), 76522#(<= ULTIMATE.start_main_~k~5 95), 76525#(<= ULTIMATE.start_main_~k~5 98), 76524#(<= ULTIMATE.start_main_~k~5 97), 76527#(<= ULTIMATE.start_main_~k~5 100), 76526#(<= ULTIMATE.start_main_~k~5 99), 76529#(<= ULTIMATE.start_main_~k~5 102), 76528#(<= ULTIMATE.start_main_~k~5 101), 76531#(<= ULTIMATE.start_main_~k~5 104), 76530#(<= ULTIMATE.start_main_~k~5 103), 76533#(<= ULTIMATE.start_main_~k~5 106), 76532#(<= ULTIMATE.start_main_~k~5 105), 76535#(<= ULTIMATE.start_main_~k~5 108), 76534#(<= ULTIMATE.start_main_~k~5 107), 76537#(<= ULTIMATE.start_main_~k~5 110), 76536#(<= ULTIMATE.start_main_~k~5 109), 76539#(<= ULTIMATE.start_main_~k~5 112), 76538#(<= ULTIMATE.start_main_~k~5 111), 76541#(<= ULTIMATE.start_main_~k~5 114), 76540#(<= ULTIMATE.start_main_~k~5 113), 76543#(<= ULTIMATE.start_main_~k~5 116), 76542#(<= ULTIMATE.start_main_~k~5 115)] [2018-07-23 13:41:59,033 INFO L134 CoverageAnalysis]: Checked inductivity of 14535 backedges. 0 proven. 14535 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2018-07-23 13:41:59,034 INFO L450 AbstractCegarLoop]: Interpolant automaton has 173 states [2018-07-23 13:41:59,036 INFO L132 InterpolantAutomaton]: Constructing interpolant automaton starting with 173 interpolants. [2018-07-23 13:41:59,038 INFO L133 InterpolantAutomaton]: CoverageRelationStatistics Valid=14878, Invalid=14878, Unknown=0, NotChecked=0, Total=29756 [2018-07-23 13:41:59,038 INFO L87 Difference]: Start difference. First operand 174 states and 174 transitions. Second operand 173 states. [2018-07-23 13:41:59,281 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2018-07-23 13:41:59,281 INFO L93 Difference]: Finished difference Result 177 states and 177 transitions. [2018-07-23 13:41:59,281 INFO L142 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 173 states. [2018-07-23 13:41:59,281 INFO L78 Accepts]: Start accepts. Automaton has 173 states. Word has length 173 [2018-07-23 13:41:59,281 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2018-07-23 13:41:59,281 INFO L225 Difference]: With dead ends: 177 [2018-07-23 13:41:59,282 INFO L226 Difference]: Without dead ends: 175 [2018-07-23 13:41:59,283 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 13:41:59,283 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 175 states. [2018-07-23 13:41:59,285 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 175 to 175. [2018-07-23 13:41:59,285 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 175 states. [2018-07-23 13:41:59,285 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 175 states to 175 states and 175 transitions. [2018-07-23 13:41:59,285 INFO L78 Accepts]: Start accepts. Automaton has 175 states and 175 transitions. Word has length 173 [2018-07-23 13:41:59,286 INFO L84 Accepts]: Finished accepts. word is rejected. [2018-07-23 13:41:59,286 INFO L471 AbstractCegarLoop]: Abstraction has 175 states and 175 transitions. [2018-07-23 13:41:59,286 INFO L472 AbstractCegarLoop]: Interpolant automaton has 173 states. [2018-07-23 13:41:59,286 INFO L276 IsEmpty]: Start isEmpty. Operand 175 states and 175 transitions. [2018-07-23 13:41:59,286 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 175 [2018-07-23 13:41:59,287 INFO L349 BasicCegarLoop]: Found error trace [2018-07-23 13:41:59,287 INFO L357 BasicCegarLoop]: trace histogram [171, 1, 1, 1] [2018-07-23 13:41:59,287 INFO L414 AbstractCegarLoop]: === Iteration 172 === [ULTIMATE.startErr0AssertViolationASSERT]=== [2018-07-23 13:41:59,287 INFO L82 PathProgramCache]: Analyzing trace with hash -775278392, now seen corresponding path program 171 times [2018-07-23 13:41:59,287 INFO L69 tionRefinementEngine]: Using refinement strategy FixedRefinementStrategy [2018-07-23 13:41:59,351 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-07-23 13:42:00,099 INFO L134 CoverageAnalysis]: Checked inductivity of 14706 backedges. 0 proven. 14706 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2018-07-23 13:42:00,099 INFO L309 seRefinementStrategy]: Constructing automaton from 0 perfect and 1 imperfect interpolant sequences. [2018-07-23 13:42:00,099 INFO L324 seRefinementStrategy]: Number of different interpolants: perfect sequences [] imperfect sequences [173] total 173 [2018-07-23 13:42:00,099 INFO L142 lantAutomatonBuilder]: Constructing canonical interpolant automaton, with selfloop in false state [2018-07-23 13:42:00,100 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2018-07-23 13:42:00,100 INFO L185 omatonBuilderFactory]: Interpolants [77313#(<= ULTIMATE.start_main_~k~5 9), 77312#(<= ULTIMATE.start_main_~k~5 8), 77315#(<= ULTIMATE.start_main_~k~5 11), 77314#(<= ULTIMATE.start_main_~k~5 10), 77317#(<= ULTIMATE.start_main_~k~5 13), 77316#(<= ULTIMATE.start_main_~k~5 12), 77319#(<= ULTIMATE.start_main_~k~5 15), 77318#(<= ULTIMATE.start_main_~k~5 14), 77321#(<= ULTIMATE.start_main_~k~5 17), 77320#(<= ULTIMATE.start_main_~k~5 16), 77323#(<= ULTIMATE.start_main_~k~5 19), 77322#(<= ULTIMATE.start_main_~k~5 18), 77325#(<= ULTIMATE.start_main_~k~5 21), 77324#(<= ULTIMATE.start_main_~k~5 20), 77327#(<= ULTIMATE.start_main_~k~5 23), 77326#(<= ULTIMATE.start_main_~k~5 22), 77329#(<= ULTIMATE.start_main_~k~5 25), 77328#(<= ULTIMATE.start_main_~k~5 24), 77331#(<= ULTIMATE.start_main_~k~5 27), 77330#(<= ULTIMATE.start_main_~k~5 26), 77333#(<= ULTIMATE.start_main_~k~5 29), 77332#(<= ULTIMATE.start_main_~k~5 28), 77335#(<= ULTIMATE.start_main_~k~5 31), 77334#(<= ULTIMATE.start_main_~k~5 30), 77337#(<= ULTIMATE.start_main_~k~5 33), 77336#(<= ULTIMATE.start_main_~k~5 32), 77339#(<= ULTIMATE.start_main_~k~5 35), 77338#(<= ULTIMATE.start_main_~k~5 34), 77341#(<= ULTIMATE.start_main_~k~5 37), 77340#(<= ULTIMATE.start_main_~k~5 36), 77343#(<= ULTIMATE.start_main_~k~5 39), 77342#(<= ULTIMATE.start_main_~k~5 38), 77345#(<= ULTIMATE.start_main_~k~5 41), 77344#(<= ULTIMATE.start_main_~k~5 40), 77347#(<= ULTIMATE.start_main_~k~5 43), 77346#(<= ULTIMATE.start_main_~k~5 42), 77349#(<= ULTIMATE.start_main_~k~5 45), 77348#(<= ULTIMATE.start_main_~k~5 44), 77351#(<= ULTIMATE.start_main_~k~5 47), 77350#(<= ULTIMATE.start_main_~k~5 46), 77353#(<= ULTIMATE.start_main_~k~5 49), 77352#(<= ULTIMATE.start_main_~k~5 48), 77355#(<= ULTIMATE.start_main_~k~5 51), 77354#(<= ULTIMATE.start_main_~k~5 50), 77357#(<= ULTIMATE.start_main_~k~5 53), 77356#(<= ULTIMATE.start_main_~k~5 52), 77359#(<= ULTIMATE.start_main_~k~5 55), 77358#(<= ULTIMATE.start_main_~k~5 54), 77361#(<= ULTIMATE.start_main_~k~5 57), 77360#(<= ULTIMATE.start_main_~k~5 56), 77363#(<= ULTIMATE.start_main_~k~5 59), 77362#(<= ULTIMATE.start_main_~k~5 58), 77365#(<= ULTIMATE.start_main_~k~5 61), 77364#(<= ULTIMATE.start_main_~k~5 60), 77367#(<= ULTIMATE.start_main_~k~5 63), 77366#(<= ULTIMATE.start_main_~k~5 62), 77369#(<= ULTIMATE.start_main_~k~5 65), 77368#(<= ULTIMATE.start_main_~k~5 64), 77371#(<= ULTIMATE.start_main_~k~5 67), 77370#(<= ULTIMATE.start_main_~k~5 66), 77373#(<= ULTIMATE.start_main_~k~5 69), 77372#(<= ULTIMATE.start_main_~k~5 68), 77375#(<= ULTIMATE.start_main_~k~5 71), 77374#(<= ULTIMATE.start_main_~k~5 70), 77377#(<= ULTIMATE.start_main_~k~5 73), 77376#(<= ULTIMATE.start_main_~k~5 72), 77379#(<= ULTIMATE.start_main_~k~5 75), 77378#(<= ULTIMATE.start_main_~k~5 74), 77381#(<= ULTIMATE.start_main_~k~5 77), 77380#(<= ULTIMATE.start_main_~k~5 76), 77383#(<= ULTIMATE.start_main_~k~5 79), 77382#(<= ULTIMATE.start_main_~k~5 78), 77385#(<= ULTIMATE.start_main_~k~5 81), 77384#(<= ULTIMATE.start_main_~k~5 80), 77387#(<= ULTIMATE.start_main_~k~5 83), 77386#(<= ULTIMATE.start_main_~k~5 82), 77389#(<= ULTIMATE.start_main_~k~5 85), 77388#(<= ULTIMATE.start_main_~k~5 84), 77391#(<= ULTIMATE.start_main_~k~5 87), 77390#(<= ULTIMATE.start_main_~k~5 86), 77393#(<= ULTIMATE.start_main_~k~5 89), 77392#(<= ULTIMATE.start_main_~k~5 88), 77395#(<= ULTIMATE.start_main_~k~5 91), 77394#(<= ULTIMATE.start_main_~k~5 90), 77397#(<= ULTIMATE.start_main_~k~5 93), 77396#(<= ULTIMATE.start_main_~k~5 92), 77399#(<= ULTIMATE.start_main_~k~5 95), 77398#(<= ULTIMATE.start_main_~k~5 94), 77401#(<= ULTIMATE.start_main_~k~5 97), 77400#(<= ULTIMATE.start_main_~k~5 96), 77403#(<= ULTIMATE.start_main_~k~5 99), 77402#(<= ULTIMATE.start_main_~k~5 98), 77405#(<= ULTIMATE.start_main_~k~5 101), 77404#(<= ULTIMATE.start_main_~k~5 100), 77407#(<= ULTIMATE.start_main_~k~5 103), 77406#(<= ULTIMATE.start_main_~k~5 102), 77409#(<= ULTIMATE.start_main_~k~5 105), 77408#(<= ULTIMATE.start_main_~k~5 104), 77411#(<= ULTIMATE.start_main_~k~5 107), 77410#(<= ULTIMATE.start_main_~k~5 106), 77413#(<= ULTIMATE.start_main_~k~5 109), 77412#(<= ULTIMATE.start_main_~k~5 108), 77415#(<= ULTIMATE.start_main_~k~5 111), 77414#(<= ULTIMATE.start_main_~k~5 110), 77417#(<= ULTIMATE.start_main_~k~5 113), 77416#(<= ULTIMATE.start_main_~k~5 112), 77419#(<= ULTIMATE.start_main_~k~5 115), 77418#(<= ULTIMATE.start_main_~k~5 114), 77421#(<= ULTIMATE.start_main_~k~5 117), 77420#(<= ULTIMATE.start_main_~k~5 116), 77423#(<= ULTIMATE.start_main_~k~5 119), 77422#(<= ULTIMATE.start_main_~k~5 118), 77425#(<= ULTIMATE.start_main_~k~5 121), 77424#(<= ULTIMATE.start_main_~k~5 120), 77427#(<= ULTIMATE.start_main_~k~5 123), 77426#(<= ULTIMATE.start_main_~k~5 122), 77429#(<= ULTIMATE.start_main_~k~5 125), 77428#(<= ULTIMATE.start_main_~k~5 124), 77431#(<= ULTIMATE.start_main_~k~5 127), 77430#(<= ULTIMATE.start_main_~k~5 126), 77433#(<= ULTIMATE.start_main_~k~5 129), 77432#(<= ULTIMATE.start_main_~k~5 128), 77435#(<= ULTIMATE.start_main_~k~5 131), 77434#(<= ULTIMATE.start_main_~k~5 130), 77437#(<= ULTIMATE.start_main_~k~5 133), 77436#(<= ULTIMATE.start_main_~k~5 132), 77439#(<= ULTIMATE.start_main_~k~5 135), 77438#(<= ULTIMATE.start_main_~k~5 134), 77441#(<= ULTIMATE.start_main_~k~5 137), 77440#(<= ULTIMATE.start_main_~k~5 136), 77443#(<= ULTIMATE.start_main_~k~5 139), 77442#(<= ULTIMATE.start_main_~k~5 138), 77445#(<= ULTIMATE.start_main_~k~5 141), 77444#(<= ULTIMATE.start_main_~k~5 140), 77447#(<= ULTIMATE.start_main_~k~5 143), 77446#(<= ULTIMATE.start_main_~k~5 142), 77449#(<= ULTIMATE.start_main_~k~5 145), 77448#(<= ULTIMATE.start_main_~k~5 144), 77451#(<= ULTIMATE.start_main_~k~5 147), 77450#(<= ULTIMATE.start_main_~k~5 146), 77453#(<= ULTIMATE.start_main_~k~5 149), 77452#(<= ULTIMATE.start_main_~k~5 148), 77455#(<= ULTIMATE.start_main_~k~5 151), 77454#(<= ULTIMATE.start_main_~k~5 150), 77457#(<= ULTIMATE.start_main_~k~5 153), 77456#(<= ULTIMATE.start_main_~k~5 152), 77459#(<= ULTIMATE.start_main_~k~5 155), 77458#(<= ULTIMATE.start_main_~k~5 154), 77461#(<= ULTIMATE.start_main_~k~5 157), 77460#(<= ULTIMATE.start_main_~k~5 156), 77463#(<= ULTIMATE.start_main_~k~5 159), 77462#(<= ULTIMATE.start_main_~k~5 158), 77465#(<= ULTIMATE.start_main_~k~5 161), 77464#(<= ULTIMATE.start_main_~k~5 160), 77467#(<= ULTIMATE.start_main_~k~5 163), 77466#(<= ULTIMATE.start_main_~k~5 162), 77469#(<= ULTIMATE.start_main_~k~5 165), 77468#(<= ULTIMATE.start_main_~k~5 164), 77471#(<= ULTIMATE.start_main_~k~5 167), 77470#(<= ULTIMATE.start_main_~k~5 166), 77473#(<= ULTIMATE.start_main_~k~5 169), 77472#(<= ULTIMATE.start_main_~k~5 168), 77475#(<= ULTIMATE.start_main_~k~5 171), 77474#(<= ULTIMATE.start_main_~k~5 170), 77303#false, 77302#true, 77305#(<= ULTIMATE.start_main_~k~5 1), 77304#(<= ULTIMATE.start_main_~k~5 0), 77307#(<= ULTIMATE.start_main_~k~5 3), 77306#(<= ULTIMATE.start_main_~k~5 2), 77309#(<= ULTIMATE.start_main_~k~5 5), 77308#(<= ULTIMATE.start_main_~k~5 4), 77311#(<= ULTIMATE.start_main_~k~5 7), 77310#(<= ULTIMATE.start_main_~k~5 6)] [2018-07-23 13:42:00,101 INFO L134 CoverageAnalysis]: Checked inductivity of 14706 backedges. 0 proven. 14706 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2018-07-23 13:42:00,101 INFO L450 AbstractCegarLoop]: Interpolant automaton has 174 states [2018-07-23 13:42:00,103 INFO L132 InterpolantAutomaton]: Constructing interpolant automaton starting with 174 interpolants. [2018-07-23 13:42:00,105 INFO L133 InterpolantAutomaton]: CoverageRelationStatistics Valid=15051, Invalid=15051, Unknown=0, NotChecked=0, Total=30102 [2018-07-23 13:42:00,105 INFO L87 Difference]: Start difference. First operand 175 states and 175 transitions. Second operand 174 states. [2018-07-23 13:42:00,729 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2018-07-23 13:42:00,729 INFO L93 Difference]: Finished difference Result 178 states and 178 transitions. [2018-07-23 13:42:00,729 INFO L142 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 174 states. [2018-07-23 13:42:00,729 INFO L78 Accepts]: Start accepts. Automaton has 174 states. Word has length 174 [2018-07-23 13:42:00,729 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2018-07-23 13:42:00,730 INFO L225 Difference]: With dead ends: 178 [2018-07-23 13:42:00,730 INFO L226 Difference]: Without dead ends: 176 [2018-07-23 13:42:00,731 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 13:42:00,731 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 176 states. [2018-07-23 13:42:00,734 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 176 to 176. [2018-07-23 13:42:00,734 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 176 states. [2018-07-23 13:42:00,734 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 176 states to 176 states and 176 transitions. [2018-07-23 13:42:00,734 INFO L78 Accepts]: Start accepts. Automaton has 176 states and 176 transitions. Word has length 174 [2018-07-23 13:42:00,735 INFO L84 Accepts]: Finished accepts. word is rejected. [2018-07-23 13:42:00,735 INFO L471 AbstractCegarLoop]: Abstraction has 176 states and 176 transitions. [2018-07-23 13:42:00,735 INFO L472 AbstractCegarLoop]: Interpolant automaton has 174 states. [2018-07-23 13:42:00,735 INFO L276 IsEmpty]: Start isEmpty. Operand 176 states and 176 transitions. [2018-07-23 13:42:00,735 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 176 [2018-07-23 13:42:00,736 INFO L349 BasicCegarLoop]: Found error trace [2018-07-23 13:42:00,736 INFO L357 BasicCegarLoop]: trace histogram [172, 1, 1, 1] [2018-07-23 13:42:00,736 INFO L414 AbstractCegarLoop]: === Iteration 173 === [ULTIMATE.startErr0AssertViolationASSERT]=== [2018-07-23 13:42:00,736 INFO L82 PathProgramCache]: Analyzing trace with hash 1736171649, now seen corresponding path program 172 times [2018-07-23 13:42:00,736 INFO L69 tionRefinementEngine]: Using refinement strategy FixedRefinementStrategy [2018-07-23 13:42:00,806 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-07-23 13:42:01,589 INFO L134 CoverageAnalysis]: Checked inductivity of 14878 backedges. 0 proven. 14878 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2018-07-23 13:42:01,590 INFO L309 seRefinementStrategy]: Constructing automaton from 0 perfect and 1 imperfect interpolant sequences. [2018-07-23 13:42:01,590 INFO L324 seRefinementStrategy]: Number of different interpolants: perfect sequences [] imperfect sequences [174] total 174 [2018-07-23 13:42:01,590 INFO L142 lantAutomatonBuilder]: Constructing canonical interpolant automaton, with selfloop in false state [2018-07-23 13:42:01,590 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 13:42:01,590 INFO L185 omatonBuilderFactory]: Interpolants [78337#(<= ULTIMATE.start_main_~k~5 151), 78336#(<= ULTIMATE.start_main_~k~5 150), 78339#(<= ULTIMATE.start_main_~k~5 153), 78338#(<= ULTIMATE.start_main_~k~5 152), 78341#(<= ULTIMATE.start_main_~k~5 155), 78340#(<= ULTIMATE.start_main_~k~5 154), 78343#(<= ULTIMATE.start_main_~k~5 157), 78342#(<= ULTIMATE.start_main_~k~5 156), 78345#(<= ULTIMATE.start_main_~k~5 159), 78344#(<= ULTIMATE.start_main_~k~5 158), 78347#(<= ULTIMATE.start_main_~k~5 161), 78346#(<= ULTIMATE.start_main_~k~5 160), 78349#(<= ULTIMATE.start_main_~k~5 163), 78348#(<= ULTIMATE.start_main_~k~5 162), 78351#(<= ULTIMATE.start_main_~k~5 165), 78350#(<= ULTIMATE.start_main_~k~5 164), 78353#(<= ULTIMATE.start_main_~k~5 167), 78352#(<= ULTIMATE.start_main_~k~5 166), 78355#(<= ULTIMATE.start_main_~k~5 169), 78354#(<= ULTIMATE.start_main_~k~5 168), 78357#(<= ULTIMATE.start_main_~k~5 171), 78356#(<= ULTIMATE.start_main_~k~5 170), 78358#(<= ULTIMATE.start_main_~k~5 172), 78185#false, 78184#true, 78187#(<= ULTIMATE.start_main_~k~5 1), 78186#(<= ULTIMATE.start_main_~k~5 0), 78189#(<= ULTIMATE.start_main_~k~5 3), 78188#(<= ULTIMATE.start_main_~k~5 2), 78191#(<= ULTIMATE.start_main_~k~5 5), 78190#(<= ULTIMATE.start_main_~k~5 4), 78193#(<= ULTIMATE.start_main_~k~5 7), 78192#(<= ULTIMATE.start_main_~k~5 6), 78195#(<= ULTIMATE.start_main_~k~5 9), 78194#(<= ULTIMATE.start_main_~k~5 8), 78197#(<= ULTIMATE.start_main_~k~5 11), 78196#(<= ULTIMATE.start_main_~k~5 10), 78199#(<= ULTIMATE.start_main_~k~5 13), 78198#(<= ULTIMATE.start_main_~k~5 12), 78201#(<= ULTIMATE.start_main_~k~5 15), 78200#(<= ULTIMATE.start_main_~k~5 14), 78203#(<= ULTIMATE.start_main_~k~5 17), 78202#(<= ULTIMATE.start_main_~k~5 16), 78205#(<= ULTIMATE.start_main_~k~5 19), 78204#(<= ULTIMATE.start_main_~k~5 18), 78207#(<= ULTIMATE.start_main_~k~5 21), 78206#(<= ULTIMATE.start_main_~k~5 20), 78209#(<= ULTIMATE.start_main_~k~5 23), 78208#(<= ULTIMATE.start_main_~k~5 22), 78211#(<= ULTIMATE.start_main_~k~5 25), 78210#(<= ULTIMATE.start_main_~k~5 24), 78213#(<= ULTIMATE.start_main_~k~5 27), 78212#(<= ULTIMATE.start_main_~k~5 26), 78215#(<= ULTIMATE.start_main_~k~5 29), 78214#(<= ULTIMATE.start_main_~k~5 28), 78217#(<= ULTIMATE.start_main_~k~5 31), 78216#(<= ULTIMATE.start_main_~k~5 30), 78219#(<= ULTIMATE.start_main_~k~5 33), 78218#(<= ULTIMATE.start_main_~k~5 32), 78221#(<= ULTIMATE.start_main_~k~5 35), 78220#(<= ULTIMATE.start_main_~k~5 34), 78223#(<= ULTIMATE.start_main_~k~5 37), 78222#(<= ULTIMATE.start_main_~k~5 36), 78225#(<= ULTIMATE.start_main_~k~5 39), 78224#(<= ULTIMATE.start_main_~k~5 38), 78227#(<= ULTIMATE.start_main_~k~5 41), 78226#(<= ULTIMATE.start_main_~k~5 40), 78229#(<= ULTIMATE.start_main_~k~5 43), 78228#(<= ULTIMATE.start_main_~k~5 42), 78231#(<= ULTIMATE.start_main_~k~5 45), 78230#(<= ULTIMATE.start_main_~k~5 44), 78233#(<= ULTIMATE.start_main_~k~5 47), 78232#(<= ULTIMATE.start_main_~k~5 46), 78235#(<= ULTIMATE.start_main_~k~5 49), 78234#(<= ULTIMATE.start_main_~k~5 48), 78237#(<= ULTIMATE.start_main_~k~5 51), 78236#(<= ULTIMATE.start_main_~k~5 50), 78239#(<= ULTIMATE.start_main_~k~5 53), 78238#(<= ULTIMATE.start_main_~k~5 52), 78241#(<= ULTIMATE.start_main_~k~5 55), 78240#(<= ULTIMATE.start_main_~k~5 54), 78243#(<= ULTIMATE.start_main_~k~5 57), 78242#(<= ULTIMATE.start_main_~k~5 56), 78245#(<= ULTIMATE.start_main_~k~5 59), 78244#(<= ULTIMATE.start_main_~k~5 58), 78247#(<= ULTIMATE.start_main_~k~5 61), 78246#(<= ULTIMATE.start_main_~k~5 60), 78249#(<= ULTIMATE.start_main_~k~5 63), 78248#(<= ULTIMATE.start_main_~k~5 62), 78251#(<= ULTIMATE.start_main_~k~5 65), 78250#(<= ULTIMATE.start_main_~k~5 64), 78253#(<= ULTIMATE.start_main_~k~5 67), 78252#(<= ULTIMATE.start_main_~k~5 66), 78255#(<= ULTIMATE.start_main_~k~5 69), 78254#(<= ULTIMATE.start_main_~k~5 68), 78257#(<= ULTIMATE.start_main_~k~5 71), 78256#(<= ULTIMATE.start_main_~k~5 70), 78259#(<= ULTIMATE.start_main_~k~5 73), 78258#(<= ULTIMATE.start_main_~k~5 72), 78261#(<= ULTIMATE.start_main_~k~5 75), 78260#(<= ULTIMATE.start_main_~k~5 74), 78263#(<= ULTIMATE.start_main_~k~5 77), 78262#(<= ULTIMATE.start_main_~k~5 76), 78265#(<= ULTIMATE.start_main_~k~5 79), 78264#(<= ULTIMATE.start_main_~k~5 78), 78267#(<= ULTIMATE.start_main_~k~5 81), 78266#(<= ULTIMATE.start_main_~k~5 80), 78269#(<= ULTIMATE.start_main_~k~5 83), 78268#(<= ULTIMATE.start_main_~k~5 82), 78271#(<= ULTIMATE.start_main_~k~5 85), 78270#(<= ULTIMATE.start_main_~k~5 84), 78273#(<= ULTIMATE.start_main_~k~5 87), 78272#(<= ULTIMATE.start_main_~k~5 86), 78275#(<= ULTIMATE.start_main_~k~5 89), 78274#(<= ULTIMATE.start_main_~k~5 88), 78277#(<= ULTIMATE.start_main_~k~5 91), 78276#(<= ULTIMATE.start_main_~k~5 90), 78279#(<= ULTIMATE.start_main_~k~5 93), 78278#(<= ULTIMATE.start_main_~k~5 92), 78281#(<= ULTIMATE.start_main_~k~5 95), 78280#(<= ULTIMATE.start_main_~k~5 94), 78283#(<= ULTIMATE.start_main_~k~5 97), 78282#(<= ULTIMATE.start_main_~k~5 96), 78285#(<= ULTIMATE.start_main_~k~5 99), 78284#(<= ULTIMATE.start_main_~k~5 98), 78287#(<= ULTIMATE.start_main_~k~5 101), 78286#(<= ULTIMATE.start_main_~k~5 100), 78289#(<= ULTIMATE.start_main_~k~5 103), 78288#(<= ULTIMATE.start_main_~k~5 102), 78291#(<= ULTIMATE.start_main_~k~5 105), 78290#(<= ULTIMATE.start_main_~k~5 104), 78293#(<= ULTIMATE.start_main_~k~5 107), 78292#(<= ULTIMATE.start_main_~k~5 106), 78295#(<= ULTIMATE.start_main_~k~5 109), 78294#(<= ULTIMATE.start_main_~k~5 108), 78297#(<= ULTIMATE.start_main_~k~5 111), 78296#(<= ULTIMATE.start_main_~k~5 110), 78299#(<= ULTIMATE.start_main_~k~5 113), 78298#(<= ULTIMATE.start_main_~k~5 112), 78301#(<= ULTIMATE.start_main_~k~5 115), 78300#(<= ULTIMATE.start_main_~k~5 114), 78303#(<= ULTIMATE.start_main_~k~5 117), 78302#(<= ULTIMATE.start_main_~k~5 116), 78305#(<= ULTIMATE.start_main_~k~5 119), 78304#(<= ULTIMATE.start_main_~k~5 118), 78307#(<= ULTIMATE.start_main_~k~5 121), 78306#(<= ULTIMATE.start_main_~k~5 120), 78309#(<= ULTIMATE.start_main_~k~5 123), 78308#(<= ULTIMATE.start_main_~k~5 122), 78311#(<= ULTIMATE.start_main_~k~5 125), 78310#(<= ULTIMATE.start_main_~k~5 124), 78313#(<= ULTIMATE.start_main_~k~5 127), 78312#(<= ULTIMATE.start_main_~k~5 126), 78315#(<= ULTIMATE.start_main_~k~5 129), 78314#(<= ULTIMATE.start_main_~k~5 128), 78317#(<= ULTIMATE.start_main_~k~5 131), 78316#(<= ULTIMATE.start_main_~k~5 130), 78319#(<= ULTIMATE.start_main_~k~5 133), 78318#(<= ULTIMATE.start_main_~k~5 132), 78321#(<= ULTIMATE.start_main_~k~5 135), 78320#(<= ULTIMATE.start_main_~k~5 134), 78323#(<= ULTIMATE.start_main_~k~5 137), 78322#(<= ULTIMATE.start_main_~k~5 136), 78325#(<= ULTIMATE.start_main_~k~5 139), 78324#(<= ULTIMATE.start_main_~k~5 138), 78327#(<= ULTIMATE.start_main_~k~5 141), 78326#(<= ULTIMATE.start_main_~k~5 140), 78329#(<= ULTIMATE.start_main_~k~5 143), 78328#(<= ULTIMATE.start_main_~k~5 142), 78331#(<= ULTIMATE.start_main_~k~5 145), 78330#(<= ULTIMATE.start_main_~k~5 144), 78333#(<= ULTIMATE.start_main_~k~5 147), 78332#(<= ULTIMATE.start_main_~k~5 146), 78335#(<= ULTIMATE.start_main_~k~5 149), 78334#(<= ULTIMATE.start_main_~k~5 148)] [2018-07-23 13:42:01,591 INFO L134 CoverageAnalysis]: Checked inductivity of 14878 backedges. 0 proven. 14878 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2018-07-23 13:42:01,592 INFO L450 AbstractCegarLoop]: Interpolant automaton has 175 states [2018-07-23 13:42:01,594 INFO L132 InterpolantAutomaton]: Constructing interpolant automaton starting with 175 interpolants. [2018-07-23 13:42:01,595 INFO L133 InterpolantAutomaton]: CoverageRelationStatistics Valid=15225, Invalid=15225, Unknown=0, NotChecked=0, Total=30450 [2018-07-23 13:42:01,595 INFO L87 Difference]: Start difference. First operand 176 states and 176 transitions. Second operand 175 states. [2018-07-23 13:42:02,009 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2018-07-23 13:42:02,009 INFO L93 Difference]: Finished difference Result 179 states and 179 transitions. [2018-07-23 13:42:02,009 INFO L142 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 175 states. [2018-07-23 13:42:02,009 INFO L78 Accepts]: Start accepts. Automaton has 175 states. Word has length 175 [2018-07-23 13:42:02,010 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2018-07-23 13:42:02,010 INFO L225 Difference]: With dead ends: 179 [2018-07-23 13:42:02,010 INFO L226 Difference]: Without dead ends: 177 [2018-07-23 13:42:02,012 INFO L575 BasicCegarLoop]: 0 DeclaredPredicates, 174 GetRequests, 1 SyntacticMatches, 0 SemanticMatches, 173 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 0 ImplicationChecksByTransitivity, 0.6s TimeCoverageRelationStatistics Valid=15225, Invalid=15225, Unknown=0, NotChecked=0, Total=30450 [2018-07-23 13:42:02,012 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 177 states. [2018-07-23 13:42:02,014 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 177 to 177. [2018-07-23 13:42:02,014 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 177 states. [2018-07-23 13:42:02,015 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 177 states to 177 states and 177 transitions. [2018-07-23 13:42:02,015 INFO L78 Accepts]: Start accepts. Automaton has 177 states and 177 transitions. Word has length 175 [2018-07-23 13:42:02,015 INFO L84 Accepts]: Finished accepts. word is rejected. [2018-07-23 13:42:02,015 INFO L471 AbstractCegarLoop]: Abstraction has 177 states and 177 transitions. [2018-07-23 13:42:02,015 INFO L472 AbstractCegarLoop]: Interpolant automaton has 175 states. [2018-07-23 13:42:02,015 INFO L276 IsEmpty]: Start isEmpty. Operand 177 states and 177 transitions. [2018-07-23 13:42:02,016 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 177 [2018-07-23 13:42:02,016 INFO L349 BasicCegarLoop]: Found error trace [2018-07-23 13:42:02,016 INFO L357 BasicCegarLoop]: trace histogram [173, 1, 1, 1] [2018-07-23 13:42:02,016 INFO L414 AbstractCegarLoop]: === Iteration 174 === [ULTIMATE.startErr0AssertViolationASSERT]=== [2018-07-23 13:42:02,017 INFO L82 PathProgramCache]: Analyzing trace with hash -2013255704, now seen corresponding path program 173 times [2018-07-23 13:42:02,017 INFO L69 tionRefinementEngine]: Using refinement strategy FixedRefinementStrategy [2018-07-23 13:42:02,087 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-07-23 13:42:02,915 INFO L134 CoverageAnalysis]: Checked inductivity of 15051 backedges. 0 proven. 15051 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2018-07-23 13:42:02,915 INFO L309 seRefinementStrategy]: Constructing automaton from 0 perfect and 1 imperfect interpolant sequences. [2018-07-23 13:42:02,915 INFO L324 seRefinementStrategy]: Number of different interpolants: perfect sequences [] imperfect sequences [175] total 175 [2018-07-23 13:42:02,915 INFO L142 lantAutomatonBuilder]: Constructing canonical interpolant automaton, with selfloop in false state [2018-07-23 13:42:02,915 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 13:42:02,916 INFO L185 omatonBuilderFactory]: Interpolants [79105#(<= ULTIMATE.start_main_~k~5 32), 79104#(<= ULTIMATE.start_main_~k~5 31), 79107#(<= ULTIMATE.start_main_~k~5 34), 79106#(<= ULTIMATE.start_main_~k~5 33), 79109#(<= ULTIMATE.start_main_~k~5 36), 79108#(<= ULTIMATE.start_main_~k~5 35), 79111#(<= ULTIMATE.start_main_~k~5 38), 79110#(<= ULTIMATE.start_main_~k~5 37), 79113#(<= ULTIMATE.start_main_~k~5 40), 79112#(<= ULTIMATE.start_main_~k~5 39), 79115#(<= ULTIMATE.start_main_~k~5 42), 79114#(<= ULTIMATE.start_main_~k~5 41), 79117#(<= ULTIMATE.start_main_~k~5 44), 79116#(<= ULTIMATE.start_main_~k~5 43), 79119#(<= ULTIMATE.start_main_~k~5 46), 79118#(<= ULTIMATE.start_main_~k~5 45), 79121#(<= ULTIMATE.start_main_~k~5 48), 79120#(<= ULTIMATE.start_main_~k~5 47), 79123#(<= ULTIMATE.start_main_~k~5 50), 79122#(<= ULTIMATE.start_main_~k~5 49), 79125#(<= ULTIMATE.start_main_~k~5 52), 79124#(<= ULTIMATE.start_main_~k~5 51), 79127#(<= ULTIMATE.start_main_~k~5 54), 79126#(<= ULTIMATE.start_main_~k~5 53), 79129#(<= ULTIMATE.start_main_~k~5 56), 79128#(<= ULTIMATE.start_main_~k~5 55), 79131#(<= ULTIMATE.start_main_~k~5 58), 79130#(<= ULTIMATE.start_main_~k~5 57), 79133#(<= ULTIMATE.start_main_~k~5 60), 79132#(<= ULTIMATE.start_main_~k~5 59), 79135#(<= ULTIMATE.start_main_~k~5 62), 79134#(<= ULTIMATE.start_main_~k~5 61), 79137#(<= ULTIMATE.start_main_~k~5 64), 79136#(<= ULTIMATE.start_main_~k~5 63), 79139#(<= ULTIMATE.start_main_~k~5 66), 79138#(<= ULTIMATE.start_main_~k~5 65), 79141#(<= ULTIMATE.start_main_~k~5 68), 79140#(<= ULTIMATE.start_main_~k~5 67), 79143#(<= ULTIMATE.start_main_~k~5 70), 79142#(<= ULTIMATE.start_main_~k~5 69), 79145#(<= ULTIMATE.start_main_~k~5 72), 79144#(<= ULTIMATE.start_main_~k~5 71), 79147#(<= ULTIMATE.start_main_~k~5 74), 79146#(<= ULTIMATE.start_main_~k~5 73), 79149#(<= ULTIMATE.start_main_~k~5 76), 79148#(<= ULTIMATE.start_main_~k~5 75), 79151#(<= ULTIMATE.start_main_~k~5 78), 79150#(<= ULTIMATE.start_main_~k~5 77), 79153#(<= ULTIMATE.start_main_~k~5 80), 79152#(<= ULTIMATE.start_main_~k~5 79), 79155#(<= ULTIMATE.start_main_~k~5 82), 79154#(<= ULTIMATE.start_main_~k~5 81), 79157#(<= ULTIMATE.start_main_~k~5 84), 79156#(<= ULTIMATE.start_main_~k~5 83), 79159#(<= ULTIMATE.start_main_~k~5 86), 79158#(<= ULTIMATE.start_main_~k~5 85), 79161#(<= ULTIMATE.start_main_~k~5 88), 79160#(<= ULTIMATE.start_main_~k~5 87), 79163#(<= ULTIMATE.start_main_~k~5 90), 79162#(<= ULTIMATE.start_main_~k~5 89), 79165#(<= ULTIMATE.start_main_~k~5 92), 79164#(<= ULTIMATE.start_main_~k~5 91), 79167#(<= ULTIMATE.start_main_~k~5 94), 79166#(<= ULTIMATE.start_main_~k~5 93), 79169#(<= ULTIMATE.start_main_~k~5 96), 79168#(<= ULTIMATE.start_main_~k~5 95), 79171#(<= ULTIMATE.start_main_~k~5 98), 79170#(<= ULTIMATE.start_main_~k~5 97), 79173#(<= ULTIMATE.start_main_~k~5 100), 79172#(<= ULTIMATE.start_main_~k~5 99), 79175#(<= ULTIMATE.start_main_~k~5 102), 79174#(<= ULTIMATE.start_main_~k~5 101), 79177#(<= ULTIMATE.start_main_~k~5 104), 79176#(<= ULTIMATE.start_main_~k~5 103), 79179#(<= ULTIMATE.start_main_~k~5 106), 79178#(<= ULTIMATE.start_main_~k~5 105), 79181#(<= ULTIMATE.start_main_~k~5 108), 79180#(<= ULTIMATE.start_main_~k~5 107), 79183#(<= ULTIMATE.start_main_~k~5 110), 79182#(<= ULTIMATE.start_main_~k~5 109), 79185#(<= ULTIMATE.start_main_~k~5 112), 79184#(<= ULTIMATE.start_main_~k~5 111), 79187#(<= ULTIMATE.start_main_~k~5 114), 79186#(<= ULTIMATE.start_main_~k~5 113), 79189#(<= ULTIMATE.start_main_~k~5 116), 79188#(<= ULTIMATE.start_main_~k~5 115), 79191#(<= ULTIMATE.start_main_~k~5 118), 79190#(<= ULTIMATE.start_main_~k~5 117), 79193#(<= ULTIMATE.start_main_~k~5 120), 79192#(<= ULTIMATE.start_main_~k~5 119), 79195#(<= ULTIMATE.start_main_~k~5 122), 79194#(<= ULTIMATE.start_main_~k~5 121), 79197#(<= ULTIMATE.start_main_~k~5 124), 79196#(<= ULTIMATE.start_main_~k~5 123), 79199#(<= ULTIMATE.start_main_~k~5 126), 79198#(<= ULTIMATE.start_main_~k~5 125), 79201#(<= ULTIMATE.start_main_~k~5 128), 79200#(<= ULTIMATE.start_main_~k~5 127), 79203#(<= ULTIMATE.start_main_~k~5 130), 79202#(<= ULTIMATE.start_main_~k~5 129), 79205#(<= ULTIMATE.start_main_~k~5 132), 79204#(<= ULTIMATE.start_main_~k~5 131), 79207#(<= ULTIMATE.start_main_~k~5 134), 79206#(<= ULTIMATE.start_main_~k~5 133), 79209#(<= ULTIMATE.start_main_~k~5 136), 79208#(<= ULTIMATE.start_main_~k~5 135), 79211#(<= ULTIMATE.start_main_~k~5 138), 79210#(<= ULTIMATE.start_main_~k~5 137), 79213#(<= ULTIMATE.start_main_~k~5 140), 79212#(<= ULTIMATE.start_main_~k~5 139), 79215#(<= ULTIMATE.start_main_~k~5 142), 79214#(<= ULTIMATE.start_main_~k~5 141), 79217#(<= ULTIMATE.start_main_~k~5 144), 79216#(<= ULTIMATE.start_main_~k~5 143), 79219#(<= ULTIMATE.start_main_~k~5 146), 79218#(<= ULTIMATE.start_main_~k~5 145), 79221#(<= ULTIMATE.start_main_~k~5 148), 79220#(<= ULTIMATE.start_main_~k~5 147), 79223#(<= ULTIMATE.start_main_~k~5 150), 79222#(<= ULTIMATE.start_main_~k~5 149), 79225#(<= ULTIMATE.start_main_~k~5 152), 79224#(<= ULTIMATE.start_main_~k~5 151), 79227#(<= ULTIMATE.start_main_~k~5 154), 79226#(<= ULTIMATE.start_main_~k~5 153), 79229#(<= ULTIMATE.start_main_~k~5 156), 79228#(<= ULTIMATE.start_main_~k~5 155), 79231#(<= ULTIMATE.start_main_~k~5 158), 79230#(<= ULTIMATE.start_main_~k~5 157), 79233#(<= ULTIMATE.start_main_~k~5 160), 79232#(<= ULTIMATE.start_main_~k~5 159), 79235#(<= ULTIMATE.start_main_~k~5 162), 79234#(<= ULTIMATE.start_main_~k~5 161), 79237#(<= ULTIMATE.start_main_~k~5 164), 79236#(<= ULTIMATE.start_main_~k~5 163), 79239#(<= ULTIMATE.start_main_~k~5 166), 79238#(<= ULTIMATE.start_main_~k~5 165), 79241#(<= ULTIMATE.start_main_~k~5 168), 79240#(<= ULTIMATE.start_main_~k~5 167), 79243#(<= ULTIMATE.start_main_~k~5 170), 79242#(<= ULTIMATE.start_main_~k~5 169), 79245#(<= ULTIMATE.start_main_~k~5 172), 79244#(<= ULTIMATE.start_main_~k~5 171), 79246#(<= ULTIMATE.start_main_~k~5 173), 79071#true, 79073#(<= ULTIMATE.start_main_~k~5 0), 79072#false, 79075#(<= ULTIMATE.start_main_~k~5 2), 79074#(<= ULTIMATE.start_main_~k~5 1), 79077#(<= ULTIMATE.start_main_~k~5 4), 79076#(<= ULTIMATE.start_main_~k~5 3), 79079#(<= ULTIMATE.start_main_~k~5 6), 79078#(<= ULTIMATE.start_main_~k~5 5), 79081#(<= ULTIMATE.start_main_~k~5 8), 79080#(<= ULTIMATE.start_main_~k~5 7), 79083#(<= ULTIMATE.start_main_~k~5 10), 79082#(<= ULTIMATE.start_main_~k~5 9), 79085#(<= ULTIMATE.start_main_~k~5 12), 79084#(<= ULTIMATE.start_main_~k~5 11), 79087#(<= ULTIMATE.start_main_~k~5 14), 79086#(<= ULTIMATE.start_main_~k~5 13), 79089#(<= ULTIMATE.start_main_~k~5 16), 79088#(<= ULTIMATE.start_main_~k~5 15), 79091#(<= ULTIMATE.start_main_~k~5 18), 79090#(<= ULTIMATE.start_main_~k~5 17), 79093#(<= ULTIMATE.start_main_~k~5 20), 79092#(<= ULTIMATE.start_main_~k~5 19), 79095#(<= ULTIMATE.start_main_~k~5 22), 79094#(<= ULTIMATE.start_main_~k~5 21), 79097#(<= ULTIMATE.start_main_~k~5 24), 79096#(<= ULTIMATE.start_main_~k~5 23), 79099#(<= ULTIMATE.start_main_~k~5 26), 79098#(<= ULTIMATE.start_main_~k~5 25), 79101#(<= ULTIMATE.start_main_~k~5 28), 79100#(<= ULTIMATE.start_main_~k~5 27), 79103#(<= ULTIMATE.start_main_~k~5 30), 79102#(<= ULTIMATE.start_main_~k~5 29)] [2018-07-23 13:42:02,916 INFO L134 CoverageAnalysis]: Checked inductivity of 15051 backedges. 0 proven. 15051 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2018-07-23 13:42:02,917 INFO L450 AbstractCegarLoop]: Interpolant automaton has 176 states [2018-07-23 13:42:02,918 INFO L132 InterpolantAutomaton]: Constructing interpolant automaton starting with 176 interpolants. [2018-07-23 13:42:02,919 INFO L133 InterpolantAutomaton]: CoverageRelationStatistics Valid=15400, Invalid=15400, Unknown=0, NotChecked=0, Total=30800 [2018-07-23 13:42:02,919 INFO L87 Difference]: Start difference. First operand 177 states and 177 transitions. Second operand 176 states. [2018-07-23 13:42:03,514 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2018-07-23 13:42:03,514 INFO L93 Difference]: Finished difference Result 180 states and 180 transitions. [2018-07-23 13:42:03,515 INFO L142 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 176 states. [2018-07-23 13:42:03,515 INFO L78 Accepts]: Start accepts. Automaton has 176 states. Word has length 176 [2018-07-23 13:42:03,515 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2018-07-23 13:42:03,515 INFO L225 Difference]: With dead ends: 180 [2018-07-23 13:42:03,515 INFO L226 Difference]: Without dead ends: 178 [2018-07-23 13:42:03,516 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 13:42:03,516 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 178 states. [2018-07-23 13:42:03,518 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 178 to 178. [2018-07-23 13:42:03,518 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 178 states. [2018-07-23 13:42:03,518 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 178 states to 178 states and 178 transitions. [2018-07-23 13:42:03,518 INFO L78 Accepts]: Start accepts. Automaton has 178 states and 178 transitions. Word has length 176 [2018-07-23 13:42:03,518 INFO L84 Accepts]: Finished accepts. word is rejected. [2018-07-23 13:42:03,518 INFO L471 AbstractCegarLoop]: Abstraction has 178 states and 178 transitions. [2018-07-23 13:42:03,518 INFO L472 AbstractCegarLoop]: Interpolant automaton has 176 states. [2018-07-23 13:42:03,519 INFO L276 IsEmpty]: Start isEmpty. Operand 178 states and 178 transitions. [2018-07-23 13:42:03,519 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 178 [2018-07-23 13:42:03,519 INFO L349 BasicCegarLoop]: Found error trace [2018-07-23 13:42:03,519 INFO L357 BasicCegarLoop]: trace histogram [174, 1, 1, 1] [2018-07-23 13:42:03,519 INFO L414 AbstractCegarLoop]: === Iteration 175 === [ULTIMATE.startErr0AssertViolationASSERT]=== [2018-07-23 13:42:03,519 INFO L82 PathProgramCache]: Analyzing trace with hash 2013580641, now seen corresponding path program 174 times [2018-07-23 13:42:03,519 INFO L69 tionRefinementEngine]: Using refinement strategy FixedRefinementStrategy [2018-07-23 13:42:03,581 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-07-23 13:42:04,368 INFO L134 CoverageAnalysis]: Checked inductivity of 15225 backedges. 0 proven. 15225 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2018-07-23 13:42:04,368 INFO L309 seRefinementStrategy]: Constructing automaton from 0 perfect and 1 imperfect interpolant sequences. [2018-07-23 13:42:04,368 INFO L324 seRefinementStrategy]: Number of different interpolants: perfect sequences [] imperfect sequences [176] total 176 [2018-07-23 13:42:04,369 INFO L142 lantAutomatonBuilder]: Constructing canonical interpolant automaton, with selfloop in false state [2018-07-23 13:42:04,369 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2018-07-23 13:42:04,369 INFO L185 omatonBuilderFactory]: Interpolants [80129#(<= ULTIMATE.start_main_~k~5 164), 80128#(<= ULTIMATE.start_main_~k~5 163), 80131#(<= ULTIMATE.start_main_~k~5 166), 80130#(<= ULTIMATE.start_main_~k~5 165), 80133#(<= ULTIMATE.start_main_~k~5 168), 80132#(<= ULTIMATE.start_main_~k~5 167), 80135#(<= ULTIMATE.start_main_~k~5 170), 80134#(<= ULTIMATE.start_main_~k~5 169), 80137#(<= ULTIMATE.start_main_~k~5 172), 80136#(<= ULTIMATE.start_main_~k~5 171), 80139#(<= ULTIMATE.start_main_~k~5 174), 80138#(<= ULTIMATE.start_main_~k~5 173), 79963#true, 79965#(<= ULTIMATE.start_main_~k~5 0), 79964#false, 79967#(<= ULTIMATE.start_main_~k~5 2), 79966#(<= ULTIMATE.start_main_~k~5 1), 79969#(<= ULTIMATE.start_main_~k~5 4), 79968#(<= ULTIMATE.start_main_~k~5 3), 79971#(<= ULTIMATE.start_main_~k~5 6), 79970#(<= ULTIMATE.start_main_~k~5 5), 79973#(<= ULTIMATE.start_main_~k~5 8), 79972#(<= ULTIMATE.start_main_~k~5 7), 79975#(<= ULTIMATE.start_main_~k~5 10), 79974#(<= ULTIMATE.start_main_~k~5 9), 79977#(<= ULTIMATE.start_main_~k~5 12), 79976#(<= ULTIMATE.start_main_~k~5 11), 79979#(<= ULTIMATE.start_main_~k~5 14), 79978#(<= ULTIMATE.start_main_~k~5 13), 79981#(<= ULTIMATE.start_main_~k~5 16), 79980#(<= ULTIMATE.start_main_~k~5 15), 79983#(<= ULTIMATE.start_main_~k~5 18), 79982#(<= ULTIMATE.start_main_~k~5 17), 79985#(<= ULTIMATE.start_main_~k~5 20), 79984#(<= ULTIMATE.start_main_~k~5 19), 79987#(<= ULTIMATE.start_main_~k~5 22), 79986#(<= ULTIMATE.start_main_~k~5 21), 79989#(<= ULTIMATE.start_main_~k~5 24), 79988#(<= ULTIMATE.start_main_~k~5 23), 79991#(<= ULTIMATE.start_main_~k~5 26), 79990#(<= ULTIMATE.start_main_~k~5 25), 79993#(<= ULTIMATE.start_main_~k~5 28), 79992#(<= ULTIMATE.start_main_~k~5 27), 79995#(<= ULTIMATE.start_main_~k~5 30), 79994#(<= ULTIMATE.start_main_~k~5 29), 79997#(<= ULTIMATE.start_main_~k~5 32), 79996#(<= ULTIMATE.start_main_~k~5 31), 79999#(<= ULTIMATE.start_main_~k~5 34), 79998#(<= ULTIMATE.start_main_~k~5 33), 80001#(<= ULTIMATE.start_main_~k~5 36), 80000#(<= ULTIMATE.start_main_~k~5 35), 80003#(<= ULTIMATE.start_main_~k~5 38), 80002#(<= ULTIMATE.start_main_~k~5 37), 80005#(<= ULTIMATE.start_main_~k~5 40), 80004#(<= ULTIMATE.start_main_~k~5 39), 80007#(<= ULTIMATE.start_main_~k~5 42), 80006#(<= ULTIMATE.start_main_~k~5 41), 80009#(<= ULTIMATE.start_main_~k~5 44), 80008#(<= ULTIMATE.start_main_~k~5 43), 80011#(<= ULTIMATE.start_main_~k~5 46), 80010#(<= ULTIMATE.start_main_~k~5 45), 80013#(<= ULTIMATE.start_main_~k~5 48), 80012#(<= ULTIMATE.start_main_~k~5 47), 80015#(<= ULTIMATE.start_main_~k~5 50), 80014#(<= ULTIMATE.start_main_~k~5 49), 80017#(<= ULTIMATE.start_main_~k~5 52), 80016#(<= ULTIMATE.start_main_~k~5 51), 80019#(<= ULTIMATE.start_main_~k~5 54), 80018#(<= ULTIMATE.start_main_~k~5 53), 80021#(<= ULTIMATE.start_main_~k~5 56), 80020#(<= ULTIMATE.start_main_~k~5 55), 80023#(<= ULTIMATE.start_main_~k~5 58), 80022#(<= ULTIMATE.start_main_~k~5 57), 80025#(<= ULTIMATE.start_main_~k~5 60), 80024#(<= ULTIMATE.start_main_~k~5 59), 80027#(<= ULTIMATE.start_main_~k~5 62), 80026#(<= ULTIMATE.start_main_~k~5 61), 80029#(<= ULTIMATE.start_main_~k~5 64), 80028#(<= ULTIMATE.start_main_~k~5 63), 80031#(<= ULTIMATE.start_main_~k~5 66), 80030#(<= ULTIMATE.start_main_~k~5 65), 80033#(<= ULTIMATE.start_main_~k~5 68), 80032#(<= ULTIMATE.start_main_~k~5 67), 80035#(<= ULTIMATE.start_main_~k~5 70), 80034#(<= ULTIMATE.start_main_~k~5 69), 80037#(<= ULTIMATE.start_main_~k~5 72), 80036#(<= ULTIMATE.start_main_~k~5 71), 80039#(<= ULTIMATE.start_main_~k~5 74), 80038#(<= ULTIMATE.start_main_~k~5 73), 80041#(<= ULTIMATE.start_main_~k~5 76), 80040#(<= ULTIMATE.start_main_~k~5 75), 80043#(<= ULTIMATE.start_main_~k~5 78), 80042#(<= ULTIMATE.start_main_~k~5 77), 80045#(<= ULTIMATE.start_main_~k~5 80), 80044#(<= ULTIMATE.start_main_~k~5 79), 80047#(<= ULTIMATE.start_main_~k~5 82), 80046#(<= ULTIMATE.start_main_~k~5 81), 80049#(<= ULTIMATE.start_main_~k~5 84), 80048#(<= ULTIMATE.start_main_~k~5 83), 80051#(<= ULTIMATE.start_main_~k~5 86), 80050#(<= ULTIMATE.start_main_~k~5 85), 80053#(<= ULTIMATE.start_main_~k~5 88), 80052#(<= ULTIMATE.start_main_~k~5 87), 80055#(<= ULTIMATE.start_main_~k~5 90), 80054#(<= ULTIMATE.start_main_~k~5 89), 80057#(<= ULTIMATE.start_main_~k~5 92), 80056#(<= ULTIMATE.start_main_~k~5 91), 80059#(<= ULTIMATE.start_main_~k~5 94), 80058#(<= ULTIMATE.start_main_~k~5 93), 80061#(<= ULTIMATE.start_main_~k~5 96), 80060#(<= ULTIMATE.start_main_~k~5 95), 80063#(<= ULTIMATE.start_main_~k~5 98), 80062#(<= ULTIMATE.start_main_~k~5 97), 80065#(<= ULTIMATE.start_main_~k~5 100), 80064#(<= ULTIMATE.start_main_~k~5 99), 80067#(<= ULTIMATE.start_main_~k~5 102), 80066#(<= ULTIMATE.start_main_~k~5 101), 80069#(<= ULTIMATE.start_main_~k~5 104), 80068#(<= ULTIMATE.start_main_~k~5 103), 80071#(<= ULTIMATE.start_main_~k~5 106), 80070#(<= ULTIMATE.start_main_~k~5 105), 80073#(<= ULTIMATE.start_main_~k~5 108), 80072#(<= ULTIMATE.start_main_~k~5 107), 80075#(<= ULTIMATE.start_main_~k~5 110), 80074#(<= ULTIMATE.start_main_~k~5 109), 80077#(<= ULTIMATE.start_main_~k~5 112), 80076#(<= ULTIMATE.start_main_~k~5 111), 80079#(<= ULTIMATE.start_main_~k~5 114), 80078#(<= ULTIMATE.start_main_~k~5 113), 80081#(<= ULTIMATE.start_main_~k~5 116), 80080#(<= ULTIMATE.start_main_~k~5 115), 80083#(<= ULTIMATE.start_main_~k~5 118), 80082#(<= ULTIMATE.start_main_~k~5 117), 80085#(<= ULTIMATE.start_main_~k~5 120), 80084#(<= ULTIMATE.start_main_~k~5 119), 80087#(<= ULTIMATE.start_main_~k~5 122), 80086#(<= ULTIMATE.start_main_~k~5 121), 80089#(<= ULTIMATE.start_main_~k~5 124), 80088#(<= ULTIMATE.start_main_~k~5 123), 80091#(<= ULTIMATE.start_main_~k~5 126), 80090#(<= ULTIMATE.start_main_~k~5 125), 80093#(<= ULTIMATE.start_main_~k~5 128), 80092#(<= ULTIMATE.start_main_~k~5 127), 80095#(<= ULTIMATE.start_main_~k~5 130), 80094#(<= ULTIMATE.start_main_~k~5 129), 80097#(<= ULTIMATE.start_main_~k~5 132), 80096#(<= ULTIMATE.start_main_~k~5 131), 80099#(<= ULTIMATE.start_main_~k~5 134), 80098#(<= ULTIMATE.start_main_~k~5 133), 80101#(<= ULTIMATE.start_main_~k~5 136), 80100#(<= ULTIMATE.start_main_~k~5 135), 80103#(<= ULTIMATE.start_main_~k~5 138), 80102#(<= ULTIMATE.start_main_~k~5 137), 80105#(<= ULTIMATE.start_main_~k~5 140), 80104#(<= ULTIMATE.start_main_~k~5 139), 80107#(<= ULTIMATE.start_main_~k~5 142), 80106#(<= ULTIMATE.start_main_~k~5 141), 80109#(<= ULTIMATE.start_main_~k~5 144), 80108#(<= ULTIMATE.start_main_~k~5 143), 80111#(<= ULTIMATE.start_main_~k~5 146), 80110#(<= ULTIMATE.start_main_~k~5 145), 80113#(<= ULTIMATE.start_main_~k~5 148), 80112#(<= ULTIMATE.start_main_~k~5 147), 80115#(<= ULTIMATE.start_main_~k~5 150), 80114#(<= ULTIMATE.start_main_~k~5 149), 80117#(<= ULTIMATE.start_main_~k~5 152), 80116#(<= ULTIMATE.start_main_~k~5 151), 80119#(<= ULTIMATE.start_main_~k~5 154), 80118#(<= ULTIMATE.start_main_~k~5 153), 80121#(<= ULTIMATE.start_main_~k~5 156), 80120#(<= ULTIMATE.start_main_~k~5 155), 80123#(<= ULTIMATE.start_main_~k~5 158), 80122#(<= ULTIMATE.start_main_~k~5 157), 80125#(<= ULTIMATE.start_main_~k~5 160), 80124#(<= ULTIMATE.start_main_~k~5 159), 80127#(<= ULTIMATE.start_main_~k~5 162), 80126#(<= ULTIMATE.start_main_~k~5 161)] [2018-07-23 13:42:04,370 INFO L134 CoverageAnalysis]: Checked inductivity of 15225 backedges. 0 proven. 15225 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2018-07-23 13:42:04,371 INFO L450 AbstractCegarLoop]: Interpolant automaton has 177 states [2018-07-23 13:42:04,374 INFO L132 InterpolantAutomaton]: Constructing interpolant automaton starting with 177 interpolants. [2018-07-23 13:42:04,375 INFO L133 InterpolantAutomaton]: CoverageRelationStatistics Valid=15576, Invalid=15576, Unknown=0, NotChecked=0, Total=31152 [2018-07-23 13:42:04,375 INFO L87 Difference]: Start difference. First operand 178 states and 178 transitions. Second operand 177 states. [2018-07-23 13:42:05,017 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2018-07-23 13:42:05,017 INFO L93 Difference]: Finished difference Result 181 states and 181 transitions. [2018-07-23 13:42:05,017 INFO L142 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 177 states. [2018-07-23 13:42:05,018 INFO L78 Accepts]: Start accepts. Automaton has 177 states. Word has length 177 [2018-07-23 13:42:05,018 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2018-07-23 13:42:05,018 INFO L225 Difference]: With dead ends: 181 [2018-07-23 13:42:05,018 INFO L226 Difference]: Without dead ends: 179 [2018-07-23 13:42:05,020 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 13:42:05,020 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 179 states. [2018-07-23 13:42:05,022 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 179 to 179. [2018-07-23 13:42:05,022 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 179 states. [2018-07-23 13:42:05,023 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 179 states to 179 states and 179 transitions. [2018-07-23 13:42:05,023 INFO L78 Accepts]: Start accepts. Automaton has 179 states and 179 transitions. Word has length 177 [2018-07-23 13:42:05,023 INFO L84 Accepts]: Finished accepts. word is rejected. [2018-07-23 13:42:05,023 INFO L471 AbstractCegarLoop]: Abstraction has 179 states and 179 transitions. [2018-07-23 13:42:05,023 INFO L472 AbstractCegarLoop]: Interpolant automaton has 177 states. [2018-07-23 13:42:05,023 INFO L276 IsEmpty]: Start isEmpty. Operand 179 states and 179 transitions. [2018-07-23 13:42:05,023 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 179 [2018-07-23 13:42:05,023 INFO L349 BasicCegarLoop]: Found error trace [2018-07-23 13:42:05,024 INFO L357 BasicCegarLoop]: trace histogram [175, 1, 1, 1] [2018-07-23 13:42:05,024 INFO L414 AbstractCegarLoop]: === Iteration 176 === [ULTIMATE.startErr0AssertViolationASSERT]=== [2018-07-23 13:42:05,024 INFO L82 PathProgramCache]: Analyzing trace with hash -2003511544, now seen corresponding path program 175 times [2018-07-23 13:42:05,024 INFO L69 tionRefinementEngine]: Using refinement strategy FixedRefinementStrategy [2018-07-23 13:42:05,100 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-07-23 13:42:05,856 INFO L134 CoverageAnalysis]: Checked inductivity of 15400 backedges. 0 proven. 15400 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2018-07-23 13:42:05,857 INFO L309 seRefinementStrategy]: Constructing automaton from 0 perfect and 1 imperfect interpolant sequences. [2018-07-23 13:42:05,857 INFO L324 seRefinementStrategy]: Number of different interpolants: perfect sequences [] imperfect sequences [177] total 177 [2018-07-23 13:42:05,857 INFO L142 lantAutomatonBuilder]: Constructing canonical interpolant automaton, with selfloop in false state [2018-07-23 13:42:05,857 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 13:42:05,857 INFO L185 omatonBuilderFactory]: Interpolants [80897#(<= ULTIMATE.start_main_~k~5 35), 80896#(<= ULTIMATE.start_main_~k~5 34), 80899#(<= ULTIMATE.start_main_~k~5 37), 80898#(<= ULTIMATE.start_main_~k~5 36), 80901#(<= ULTIMATE.start_main_~k~5 39), 80900#(<= ULTIMATE.start_main_~k~5 38), 80903#(<= ULTIMATE.start_main_~k~5 41), 80902#(<= ULTIMATE.start_main_~k~5 40), 80905#(<= ULTIMATE.start_main_~k~5 43), 80904#(<= ULTIMATE.start_main_~k~5 42), 80907#(<= ULTIMATE.start_main_~k~5 45), 80906#(<= ULTIMATE.start_main_~k~5 44), 80909#(<= ULTIMATE.start_main_~k~5 47), 80908#(<= ULTIMATE.start_main_~k~5 46), 80911#(<= ULTIMATE.start_main_~k~5 49), 80910#(<= ULTIMATE.start_main_~k~5 48), 80913#(<= ULTIMATE.start_main_~k~5 51), 80912#(<= ULTIMATE.start_main_~k~5 50), 80915#(<= ULTIMATE.start_main_~k~5 53), 80914#(<= ULTIMATE.start_main_~k~5 52), 80917#(<= ULTIMATE.start_main_~k~5 55), 80916#(<= ULTIMATE.start_main_~k~5 54), 80919#(<= ULTIMATE.start_main_~k~5 57), 80918#(<= ULTIMATE.start_main_~k~5 56), 80921#(<= ULTIMATE.start_main_~k~5 59), 80920#(<= ULTIMATE.start_main_~k~5 58), 80923#(<= ULTIMATE.start_main_~k~5 61), 80922#(<= ULTIMATE.start_main_~k~5 60), 80925#(<= ULTIMATE.start_main_~k~5 63), 80924#(<= ULTIMATE.start_main_~k~5 62), 80927#(<= ULTIMATE.start_main_~k~5 65), 80926#(<= ULTIMATE.start_main_~k~5 64), 80929#(<= ULTIMATE.start_main_~k~5 67), 80928#(<= ULTIMATE.start_main_~k~5 66), 80931#(<= ULTIMATE.start_main_~k~5 69), 80930#(<= ULTIMATE.start_main_~k~5 68), 80933#(<= ULTIMATE.start_main_~k~5 71), 80932#(<= ULTIMATE.start_main_~k~5 70), 80935#(<= ULTIMATE.start_main_~k~5 73), 80934#(<= ULTIMATE.start_main_~k~5 72), 80937#(<= ULTIMATE.start_main_~k~5 75), 80936#(<= ULTIMATE.start_main_~k~5 74), 80939#(<= ULTIMATE.start_main_~k~5 77), 80938#(<= ULTIMATE.start_main_~k~5 76), 80941#(<= ULTIMATE.start_main_~k~5 79), 80940#(<= ULTIMATE.start_main_~k~5 78), 80943#(<= ULTIMATE.start_main_~k~5 81), 80942#(<= ULTIMATE.start_main_~k~5 80), 80945#(<= ULTIMATE.start_main_~k~5 83), 80944#(<= ULTIMATE.start_main_~k~5 82), 80947#(<= ULTIMATE.start_main_~k~5 85), 80946#(<= ULTIMATE.start_main_~k~5 84), 80949#(<= ULTIMATE.start_main_~k~5 87), 80948#(<= ULTIMATE.start_main_~k~5 86), 80951#(<= ULTIMATE.start_main_~k~5 89), 80950#(<= ULTIMATE.start_main_~k~5 88), 80953#(<= ULTIMATE.start_main_~k~5 91), 80952#(<= ULTIMATE.start_main_~k~5 90), 80955#(<= ULTIMATE.start_main_~k~5 93), 80954#(<= ULTIMATE.start_main_~k~5 92), 80957#(<= ULTIMATE.start_main_~k~5 95), 80956#(<= ULTIMATE.start_main_~k~5 94), 80959#(<= ULTIMATE.start_main_~k~5 97), 80958#(<= ULTIMATE.start_main_~k~5 96), 80961#(<= ULTIMATE.start_main_~k~5 99), 80960#(<= ULTIMATE.start_main_~k~5 98), 80963#(<= ULTIMATE.start_main_~k~5 101), 80962#(<= ULTIMATE.start_main_~k~5 100), 80965#(<= ULTIMATE.start_main_~k~5 103), 80964#(<= ULTIMATE.start_main_~k~5 102), 80967#(<= ULTIMATE.start_main_~k~5 105), 80966#(<= ULTIMATE.start_main_~k~5 104), 80969#(<= ULTIMATE.start_main_~k~5 107), 80968#(<= ULTIMATE.start_main_~k~5 106), 80971#(<= ULTIMATE.start_main_~k~5 109), 80970#(<= ULTIMATE.start_main_~k~5 108), 80973#(<= ULTIMATE.start_main_~k~5 111), 80972#(<= ULTIMATE.start_main_~k~5 110), 80975#(<= ULTIMATE.start_main_~k~5 113), 80974#(<= ULTIMATE.start_main_~k~5 112), 80977#(<= ULTIMATE.start_main_~k~5 115), 80976#(<= ULTIMATE.start_main_~k~5 114), 80979#(<= ULTIMATE.start_main_~k~5 117), 80978#(<= ULTIMATE.start_main_~k~5 116), 80981#(<= ULTIMATE.start_main_~k~5 119), 80980#(<= ULTIMATE.start_main_~k~5 118), 80983#(<= ULTIMATE.start_main_~k~5 121), 80982#(<= ULTIMATE.start_main_~k~5 120), 80985#(<= ULTIMATE.start_main_~k~5 123), 80984#(<= ULTIMATE.start_main_~k~5 122), 80987#(<= ULTIMATE.start_main_~k~5 125), 80986#(<= ULTIMATE.start_main_~k~5 124), 80989#(<= ULTIMATE.start_main_~k~5 127), 80988#(<= ULTIMATE.start_main_~k~5 126), 80991#(<= ULTIMATE.start_main_~k~5 129), 80990#(<= ULTIMATE.start_main_~k~5 128), 80993#(<= ULTIMATE.start_main_~k~5 131), 80992#(<= ULTIMATE.start_main_~k~5 130), 80995#(<= ULTIMATE.start_main_~k~5 133), 80994#(<= ULTIMATE.start_main_~k~5 132), 80997#(<= ULTIMATE.start_main_~k~5 135), 80996#(<= ULTIMATE.start_main_~k~5 134), 80999#(<= ULTIMATE.start_main_~k~5 137), 80998#(<= ULTIMATE.start_main_~k~5 136), 81001#(<= ULTIMATE.start_main_~k~5 139), 81000#(<= ULTIMATE.start_main_~k~5 138), 81003#(<= ULTIMATE.start_main_~k~5 141), 81002#(<= ULTIMATE.start_main_~k~5 140), 81005#(<= ULTIMATE.start_main_~k~5 143), 81004#(<= ULTIMATE.start_main_~k~5 142), 81007#(<= ULTIMATE.start_main_~k~5 145), 81006#(<= ULTIMATE.start_main_~k~5 144), 81009#(<= ULTIMATE.start_main_~k~5 147), 81008#(<= ULTIMATE.start_main_~k~5 146), 81011#(<= ULTIMATE.start_main_~k~5 149), 81010#(<= ULTIMATE.start_main_~k~5 148), 81013#(<= ULTIMATE.start_main_~k~5 151), 81012#(<= ULTIMATE.start_main_~k~5 150), 81015#(<= ULTIMATE.start_main_~k~5 153), 81014#(<= ULTIMATE.start_main_~k~5 152), 81017#(<= ULTIMATE.start_main_~k~5 155), 81016#(<= ULTIMATE.start_main_~k~5 154), 81019#(<= ULTIMATE.start_main_~k~5 157), 81018#(<= ULTIMATE.start_main_~k~5 156), 81021#(<= ULTIMATE.start_main_~k~5 159), 81020#(<= ULTIMATE.start_main_~k~5 158), 81023#(<= ULTIMATE.start_main_~k~5 161), 81022#(<= ULTIMATE.start_main_~k~5 160), 81025#(<= ULTIMATE.start_main_~k~5 163), 81024#(<= ULTIMATE.start_main_~k~5 162), 81027#(<= ULTIMATE.start_main_~k~5 165), 81026#(<= ULTIMATE.start_main_~k~5 164), 81029#(<= ULTIMATE.start_main_~k~5 167), 81028#(<= ULTIMATE.start_main_~k~5 166), 81031#(<= ULTIMATE.start_main_~k~5 169), 81030#(<= ULTIMATE.start_main_~k~5 168), 81033#(<= ULTIMATE.start_main_~k~5 171), 81032#(<= ULTIMATE.start_main_~k~5 170), 81035#(<= ULTIMATE.start_main_~k~5 173), 81034#(<= ULTIMATE.start_main_~k~5 172), 81037#(<= ULTIMATE.start_main_~k~5 175), 81036#(<= ULTIMATE.start_main_~k~5 174), 80861#false, 80860#true, 80863#(<= ULTIMATE.start_main_~k~5 1), 80862#(<= ULTIMATE.start_main_~k~5 0), 80865#(<= ULTIMATE.start_main_~k~5 3), 80864#(<= ULTIMATE.start_main_~k~5 2), 80867#(<= ULTIMATE.start_main_~k~5 5), 80866#(<= ULTIMATE.start_main_~k~5 4), 80869#(<= ULTIMATE.start_main_~k~5 7), 80868#(<= ULTIMATE.start_main_~k~5 6), 80871#(<= ULTIMATE.start_main_~k~5 9), 80870#(<= ULTIMATE.start_main_~k~5 8), 80873#(<= ULTIMATE.start_main_~k~5 11), 80872#(<= ULTIMATE.start_main_~k~5 10), 80875#(<= ULTIMATE.start_main_~k~5 13), 80874#(<= ULTIMATE.start_main_~k~5 12), 80877#(<= ULTIMATE.start_main_~k~5 15), 80876#(<= ULTIMATE.start_main_~k~5 14), 80879#(<= ULTIMATE.start_main_~k~5 17), 80878#(<= ULTIMATE.start_main_~k~5 16), 80881#(<= ULTIMATE.start_main_~k~5 19), 80880#(<= ULTIMATE.start_main_~k~5 18), 80883#(<= ULTIMATE.start_main_~k~5 21), 80882#(<= ULTIMATE.start_main_~k~5 20), 80885#(<= ULTIMATE.start_main_~k~5 23), 80884#(<= ULTIMATE.start_main_~k~5 22), 80887#(<= ULTIMATE.start_main_~k~5 25), 80886#(<= ULTIMATE.start_main_~k~5 24), 80889#(<= ULTIMATE.start_main_~k~5 27), 80888#(<= ULTIMATE.start_main_~k~5 26), 80891#(<= ULTIMATE.start_main_~k~5 29), 80890#(<= ULTIMATE.start_main_~k~5 28), 80893#(<= ULTIMATE.start_main_~k~5 31), 80892#(<= ULTIMATE.start_main_~k~5 30), 80895#(<= ULTIMATE.start_main_~k~5 33), 80894#(<= ULTIMATE.start_main_~k~5 32)] [2018-07-23 13:42:05,858 INFO L134 CoverageAnalysis]: Checked inductivity of 15400 backedges. 0 proven. 15400 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2018-07-23 13:42:05,858 INFO L450 AbstractCegarLoop]: Interpolant automaton has 178 states [2018-07-23 13:42:05,861 INFO L132 InterpolantAutomaton]: Constructing interpolant automaton starting with 178 interpolants. [2018-07-23 13:42:05,862 INFO L133 InterpolantAutomaton]: CoverageRelationStatistics Valid=15753, Invalid=15753, Unknown=0, NotChecked=0, Total=31506 [2018-07-23 13:42:05,862 INFO L87 Difference]: Start difference. First operand 179 states and 179 transitions. Second operand 178 states. [2018-07-23 13:42:06,386 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2018-07-23 13:42:06,386 INFO L93 Difference]: Finished difference Result 182 states and 182 transitions. [2018-07-23 13:42:06,386 INFO L142 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 178 states. [2018-07-23 13:42:06,386 INFO L78 Accepts]: Start accepts. Automaton has 178 states. Word has length 178 [2018-07-23 13:42:06,386 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2018-07-23 13:42:06,387 INFO L225 Difference]: With dead ends: 182 [2018-07-23 13:42:06,387 INFO L226 Difference]: Without dead ends: 180 [2018-07-23 13:42:06,389 INFO L575 BasicCegarLoop]: 0 DeclaredPredicates, 177 GetRequests, 1 SyntacticMatches, 0 SemanticMatches, 176 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 0 ImplicationChecksByTransitivity, 0.6s TimeCoverageRelationStatistics Valid=15753, Invalid=15753, Unknown=0, NotChecked=0, Total=31506 [2018-07-23 13:42:06,390 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 180 states. [2018-07-23 13:42:06,392 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 180 to 180. [2018-07-23 13:42:06,393 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 180 states. [2018-07-23 13:42:06,393 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 180 states to 180 states and 180 transitions. [2018-07-23 13:42:06,393 INFO L78 Accepts]: Start accepts. Automaton has 180 states and 180 transitions. Word has length 178 [2018-07-23 13:42:06,393 INFO L84 Accepts]: Finished accepts. word is rejected. [2018-07-23 13:42:06,393 INFO L471 AbstractCegarLoop]: Abstraction has 180 states and 180 transitions. [2018-07-23 13:42:06,394 INFO L472 AbstractCegarLoop]: Interpolant automaton has 178 states. [2018-07-23 13:42:06,394 INFO L276 IsEmpty]: Start isEmpty. Operand 180 states and 180 transitions. [2018-07-23 13:42:06,394 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 180 [2018-07-23 13:42:06,394 INFO L349 BasicCegarLoop]: Found error trace [2018-07-23 13:42:06,395 INFO L357 BasicCegarLoop]: trace histogram [176, 1, 1, 1] [2018-07-23 13:42:06,395 INFO L414 AbstractCegarLoop]: === Iteration 177 === [ULTIMATE.startErr0AssertViolationASSERT]=== [2018-07-23 13:42:06,395 INFO L82 PathProgramCache]: Analyzing trace with hash -1979317695, now seen corresponding path program 176 times [2018-07-23 13:42:06,395 INFO L69 tionRefinementEngine]: Using refinement strategy FixedRefinementStrategy [2018-07-23 13:42:06,529 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-07-23 13:42:07,363 INFO L134 CoverageAnalysis]: Checked inductivity of 15576 backedges. 0 proven. 15576 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2018-07-23 13:42:07,364 INFO L309 seRefinementStrategy]: Constructing automaton from 0 perfect and 1 imperfect interpolant sequences. [2018-07-23 13:42:07,364 INFO L324 seRefinementStrategy]: Number of different interpolants: perfect sequences [] imperfect sequences [178] total 178 [2018-07-23 13:42:07,364 INFO L142 lantAutomatonBuilder]: Constructing canonical interpolant automaton, with selfloop in false state [2018-07-23 13:42:07,364 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2018-07-23 13:42:07,365 INFO L185 omatonBuilderFactory]: Interpolants [81921#(<= ULTIMATE.start_main_~k~5 157), 81920#(<= ULTIMATE.start_main_~k~5 156), 81923#(<= ULTIMATE.start_main_~k~5 159), 81922#(<= ULTIMATE.start_main_~k~5 158), 81925#(<= ULTIMATE.start_main_~k~5 161), 81924#(<= ULTIMATE.start_main_~k~5 160), 81927#(<= ULTIMATE.start_main_~k~5 163), 81926#(<= ULTIMATE.start_main_~k~5 162), 81929#(<= ULTIMATE.start_main_~k~5 165), 81928#(<= ULTIMATE.start_main_~k~5 164), 81931#(<= ULTIMATE.start_main_~k~5 167), 81930#(<= ULTIMATE.start_main_~k~5 166), 81933#(<= ULTIMATE.start_main_~k~5 169), 81932#(<= ULTIMATE.start_main_~k~5 168), 81935#(<= ULTIMATE.start_main_~k~5 171), 81934#(<= ULTIMATE.start_main_~k~5 170), 81937#(<= ULTIMATE.start_main_~k~5 173), 81936#(<= ULTIMATE.start_main_~k~5 172), 81939#(<= ULTIMATE.start_main_~k~5 175), 81938#(<= ULTIMATE.start_main_~k~5 174), 81940#(<= ULTIMATE.start_main_~k~5 176), 81763#false, 81762#true, 81765#(<= ULTIMATE.start_main_~k~5 1), 81764#(<= ULTIMATE.start_main_~k~5 0), 81767#(<= ULTIMATE.start_main_~k~5 3), 81766#(<= ULTIMATE.start_main_~k~5 2), 81769#(<= ULTIMATE.start_main_~k~5 5), 81768#(<= ULTIMATE.start_main_~k~5 4), 81771#(<= ULTIMATE.start_main_~k~5 7), 81770#(<= ULTIMATE.start_main_~k~5 6), 81773#(<= ULTIMATE.start_main_~k~5 9), 81772#(<= ULTIMATE.start_main_~k~5 8), 81775#(<= ULTIMATE.start_main_~k~5 11), 81774#(<= ULTIMATE.start_main_~k~5 10), 81777#(<= ULTIMATE.start_main_~k~5 13), 81776#(<= ULTIMATE.start_main_~k~5 12), 81779#(<= ULTIMATE.start_main_~k~5 15), 81778#(<= ULTIMATE.start_main_~k~5 14), 81781#(<= ULTIMATE.start_main_~k~5 17), 81780#(<= ULTIMATE.start_main_~k~5 16), 81783#(<= ULTIMATE.start_main_~k~5 19), 81782#(<= ULTIMATE.start_main_~k~5 18), 81785#(<= ULTIMATE.start_main_~k~5 21), 81784#(<= ULTIMATE.start_main_~k~5 20), 81787#(<= ULTIMATE.start_main_~k~5 23), 81786#(<= ULTIMATE.start_main_~k~5 22), 81789#(<= ULTIMATE.start_main_~k~5 25), 81788#(<= ULTIMATE.start_main_~k~5 24), 81791#(<= ULTIMATE.start_main_~k~5 27), 81790#(<= ULTIMATE.start_main_~k~5 26), 81793#(<= ULTIMATE.start_main_~k~5 29), 81792#(<= ULTIMATE.start_main_~k~5 28), 81795#(<= ULTIMATE.start_main_~k~5 31), 81794#(<= ULTIMATE.start_main_~k~5 30), 81797#(<= ULTIMATE.start_main_~k~5 33), 81796#(<= ULTIMATE.start_main_~k~5 32), 81799#(<= ULTIMATE.start_main_~k~5 35), 81798#(<= ULTIMATE.start_main_~k~5 34), 81801#(<= ULTIMATE.start_main_~k~5 37), 81800#(<= ULTIMATE.start_main_~k~5 36), 81803#(<= ULTIMATE.start_main_~k~5 39), 81802#(<= ULTIMATE.start_main_~k~5 38), 81805#(<= ULTIMATE.start_main_~k~5 41), 81804#(<= ULTIMATE.start_main_~k~5 40), 81807#(<= ULTIMATE.start_main_~k~5 43), 81806#(<= ULTIMATE.start_main_~k~5 42), 81809#(<= ULTIMATE.start_main_~k~5 45), 81808#(<= ULTIMATE.start_main_~k~5 44), 81811#(<= ULTIMATE.start_main_~k~5 47), 81810#(<= ULTIMATE.start_main_~k~5 46), 81813#(<= ULTIMATE.start_main_~k~5 49), 81812#(<= ULTIMATE.start_main_~k~5 48), 81815#(<= ULTIMATE.start_main_~k~5 51), 81814#(<= ULTIMATE.start_main_~k~5 50), 81817#(<= ULTIMATE.start_main_~k~5 53), 81816#(<= ULTIMATE.start_main_~k~5 52), 81819#(<= ULTIMATE.start_main_~k~5 55), 81818#(<= ULTIMATE.start_main_~k~5 54), 81821#(<= ULTIMATE.start_main_~k~5 57), 81820#(<= ULTIMATE.start_main_~k~5 56), 81823#(<= ULTIMATE.start_main_~k~5 59), 81822#(<= ULTIMATE.start_main_~k~5 58), 81825#(<= ULTIMATE.start_main_~k~5 61), 81824#(<= ULTIMATE.start_main_~k~5 60), 81827#(<= ULTIMATE.start_main_~k~5 63), 81826#(<= ULTIMATE.start_main_~k~5 62), 81829#(<= ULTIMATE.start_main_~k~5 65), 81828#(<= ULTIMATE.start_main_~k~5 64), 81831#(<= ULTIMATE.start_main_~k~5 67), 81830#(<= ULTIMATE.start_main_~k~5 66), 81833#(<= ULTIMATE.start_main_~k~5 69), 81832#(<= ULTIMATE.start_main_~k~5 68), 81835#(<= ULTIMATE.start_main_~k~5 71), 81834#(<= ULTIMATE.start_main_~k~5 70), 81837#(<= ULTIMATE.start_main_~k~5 73), 81836#(<= ULTIMATE.start_main_~k~5 72), 81839#(<= ULTIMATE.start_main_~k~5 75), 81838#(<= ULTIMATE.start_main_~k~5 74), 81841#(<= ULTIMATE.start_main_~k~5 77), 81840#(<= ULTIMATE.start_main_~k~5 76), 81843#(<= ULTIMATE.start_main_~k~5 79), 81842#(<= ULTIMATE.start_main_~k~5 78), 81845#(<= ULTIMATE.start_main_~k~5 81), 81844#(<= ULTIMATE.start_main_~k~5 80), 81847#(<= ULTIMATE.start_main_~k~5 83), 81846#(<= ULTIMATE.start_main_~k~5 82), 81849#(<= ULTIMATE.start_main_~k~5 85), 81848#(<= ULTIMATE.start_main_~k~5 84), 81851#(<= ULTIMATE.start_main_~k~5 87), 81850#(<= ULTIMATE.start_main_~k~5 86), 81853#(<= ULTIMATE.start_main_~k~5 89), 81852#(<= ULTIMATE.start_main_~k~5 88), 81855#(<= ULTIMATE.start_main_~k~5 91), 81854#(<= ULTIMATE.start_main_~k~5 90), 81857#(<= ULTIMATE.start_main_~k~5 93), 81856#(<= ULTIMATE.start_main_~k~5 92), 81859#(<= ULTIMATE.start_main_~k~5 95), 81858#(<= ULTIMATE.start_main_~k~5 94), 81861#(<= ULTIMATE.start_main_~k~5 97), 81860#(<= ULTIMATE.start_main_~k~5 96), 81863#(<= ULTIMATE.start_main_~k~5 99), 81862#(<= ULTIMATE.start_main_~k~5 98), 81865#(<= ULTIMATE.start_main_~k~5 101), 81864#(<= ULTIMATE.start_main_~k~5 100), 81867#(<= ULTIMATE.start_main_~k~5 103), 81866#(<= ULTIMATE.start_main_~k~5 102), 81869#(<= ULTIMATE.start_main_~k~5 105), 81868#(<= ULTIMATE.start_main_~k~5 104), 81871#(<= ULTIMATE.start_main_~k~5 107), 81870#(<= ULTIMATE.start_main_~k~5 106), 81873#(<= ULTIMATE.start_main_~k~5 109), 81872#(<= ULTIMATE.start_main_~k~5 108), 81875#(<= ULTIMATE.start_main_~k~5 111), 81874#(<= ULTIMATE.start_main_~k~5 110), 81877#(<= ULTIMATE.start_main_~k~5 113), 81876#(<= ULTIMATE.start_main_~k~5 112), 81879#(<= ULTIMATE.start_main_~k~5 115), 81878#(<= ULTIMATE.start_main_~k~5 114), 81881#(<= ULTIMATE.start_main_~k~5 117), 81880#(<= ULTIMATE.start_main_~k~5 116), 81883#(<= ULTIMATE.start_main_~k~5 119), 81882#(<= ULTIMATE.start_main_~k~5 118), 81885#(<= ULTIMATE.start_main_~k~5 121), 81884#(<= ULTIMATE.start_main_~k~5 120), 81887#(<= ULTIMATE.start_main_~k~5 123), 81886#(<= ULTIMATE.start_main_~k~5 122), 81889#(<= ULTIMATE.start_main_~k~5 125), 81888#(<= ULTIMATE.start_main_~k~5 124), 81891#(<= ULTIMATE.start_main_~k~5 127), 81890#(<= ULTIMATE.start_main_~k~5 126), 81893#(<= ULTIMATE.start_main_~k~5 129), 81892#(<= ULTIMATE.start_main_~k~5 128), 81895#(<= ULTIMATE.start_main_~k~5 131), 81894#(<= ULTIMATE.start_main_~k~5 130), 81897#(<= ULTIMATE.start_main_~k~5 133), 81896#(<= ULTIMATE.start_main_~k~5 132), 81899#(<= ULTIMATE.start_main_~k~5 135), 81898#(<= ULTIMATE.start_main_~k~5 134), 81901#(<= ULTIMATE.start_main_~k~5 137), 81900#(<= ULTIMATE.start_main_~k~5 136), 81903#(<= ULTIMATE.start_main_~k~5 139), 81902#(<= ULTIMATE.start_main_~k~5 138), 81905#(<= ULTIMATE.start_main_~k~5 141), 81904#(<= ULTIMATE.start_main_~k~5 140), 81907#(<= ULTIMATE.start_main_~k~5 143), 81906#(<= ULTIMATE.start_main_~k~5 142), 81909#(<= ULTIMATE.start_main_~k~5 145), 81908#(<= ULTIMATE.start_main_~k~5 144), 81911#(<= ULTIMATE.start_main_~k~5 147), 81910#(<= ULTIMATE.start_main_~k~5 146), 81913#(<= ULTIMATE.start_main_~k~5 149), 81912#(<= ULTIMATE.start_main_~k~5 148), 81915#(<= ULTIMATE.start_main_~k~5 151), 81914#(<= ULTIMATE.start_main_~k~5 150), 81917#(<= ULTIMATE.start_main_~k~5 153), 81916#(<= ULTIMATE.start_main_~k~5 152), 81919#(<= ULTIMATE.start_main_~k~5 155), 81918#(<= ULTIMATE.start_main_~k~5 154)] [2018-07-23 13:42:07,366 INFO L134 CoverageAnalysis]: Checked inductivity of 15576 backedges. 0 proven. 15576 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2018-07-23 13:42:07,366 INFO L450 AbstractCegarLoop]: Interpolant automaton has 179 states [2018-07-23 13:42:07,368 INFO L132 InterpolantAutomaton]: Constructing interpolant automaton starting with 179 interpolants. [2018-07-23 13:42:07,369 INFO L133 InterpolantAutomaton]: CoverageRelationStatistics Valid=15931, Invalid=15931, Unknown=0, NotChecked=0, Total=31862 [2018-07-23 13:42:07,370 INFO L87 Difference]: Start difference. First operand 180 states and 180 transitions. Second operand 179 states. [2018-07-23 13:42:07,827 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2018-07-23 13:42:07,827 INFO L93 Difference]: Finished difference Result 183 states and 183 transitions. [2018-07-23 13:42:07,827 INFO L142 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 179 states. [2018-07-23 13:42:07,827 INFO L78 Accepts]: Start accepts. Automaton has 179 states. Word has length 179 [2018-07-23 13:42:07,827 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2018-07-23 13:42:07,828 INFO L225 Difference]: With dead ends: 183 [2018-07-23 13:42:07,828 INFO L226 Difference]: Without dead ends: 181 [2018-07-23 13:42:07,830 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 13:42:07,831 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 181 states. [2018-07-23 13:42:07,833 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 181 to 181. [2018-07-23 13:42:07,833 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 181 states. [2018-07-23 13:42:07,834 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 181 states to 181 states and 181 transitions. [2018-07-23 13:42:07,834 INFO L78 Accepts]: Start accepts. Automaton has 181 states and 181 transitions. Word has length 179 [2018-07-23 13:42:07,834 INFO L84 Accepts]: Finished accepts. word is rejected. [2018-07-23 13:42:07,834 INFO L471 AbstractCegarLoop]: Abstraction has 181 states and 181 transitions. [2018-07-23 13:42:07,834 INFO L472 AbstractCegarLoop]: Interpolant automaton has 179 states. [2018-07-23 13:42:07,834 INFO L276 IsEmpty]: Start isEmpty. Operand 181 states and 181 transitions. [2018-07-23 13:42:07,835 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 181 [2018-07-23 13:42:07,835 INFO L349 BasicCegarLoop]: Found error trace [2018-07-23 13:42:07,835 INFO L357 BasicCegarLoop]: trace histogram [177, 1, 1, 1] [2018-07-23 13:42:07,835 INFO L414 AbstractCegarLoop]: === Iteration 178 === [ULTIMATE.startErr0AssertViolationASSERT]=== [2018-07-23 13:42:07,836 INFO L82 PathProgramCache]: Analyzing trace with hash -1229308376, now seen corresponding path program 177 times [2018-07-23 13:42:07,836 INFO L69 tionRefinementEngine]: Using refinement strategy FixedRefinementStrategy [2018-07-23 13:42:07,907 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-07-23 13:42:08,748 INFO L134 CoverageAnalysis]: Checked inductivity of 15753 backedges. 0 proven. 15753 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2018-07-23 13:42:08,749 INFO L309 seRefinementStrategy]: Constructing automaton from 0 perfect and 1 imperfect interpolant sequences. [2018-07-23 13:42:08,749 INFO L324 seRefinementStrategy]: Number of different interpolants: perfect sequences [] imperfect sequences [179] total 179 [2018-07-23 13:42:08,749 INFO L142 lantAutomatonBuilder]: Constructing canonical interpolant automaton, with selfloop in false state [2018-07-23 13:42:08,749 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2018-07-23 13:42:08,750 INFO L185 omatonBuilderFactory]: Interpolants [82689#(<= ULTIMATE.start_main_~k~5 18), 82688#(<= ULTIMATE.start_main_~k~5 17), 82691#(<= ULTIMATE.start_main_~k~5 20), 82690#(<= ULTIMATE.start_main_~k~5 19), 82693#(<= ULTIMATE.start_main_~k~5 22), 82692#(<= ULTIMATE.start_main_~k~5 21), 82695#(<= ULTIMATE.start_main_~k~5 24), 82694#(<= ULTIMATE.start_main_~k~5 23), 82697#(<= ULTIMATE.start_main_~k~5 26), 82696#(<= ULTIMATE.start_main_~k~5 25), 82699#(<= ULTIMATE.start_main_~k~5 28), 82698#(<= ULTIMATE.start_main_~k~5 27), 82701#(<= ULTIMATE.start_main_~k~5 30), 82700#(<= ULTIMATE.start_main_~k~5 29), 82703#(<= ULTIMATE.start_main_~k~5 32), 82702#(<= ULTIMATE.start_main_~k~5 31), 82705#(<= ULTIMATE.start_main_~k~5 34), 82704#(<= ULTIMATE.start_main_~k~5 33), 82707#(<= ULTIMATE.start_main_~k~5 36), 82706#(<= ULTIMATE.start_main_~k~5 35), 82709#(<= ULTIMATE.start_main_~k~5 38), 82708#(<= ULTIMATE.start_main_~k~5 37), 82711#(<= ULTIMATE.start_main_~k~5 40), 82710#(<= ULTIMATE.start_main_~k~5 39), 82713#(<= ULTIMATE.start_main_~k~5 42), 82712#(<= ULTIMATE.start_main_~k~5 41), 82715#(<= ULTIMATE.start_main_~k~5 44), 82714#(<= ULTIMATE.start_main_~k~5 43), 82717#(<= ULTIMATE.start_main_~k~5 46), 82716#(<= ULTIMATE.start_main_~k~5 45), 82719#(<= ULTIMATE.start_main_~k~5 48), 82718#(<= ULTIMATE.start_main_~k~5 47), 82721#(<= ULTIMATE.start_main_~k~5 50), 82720#(<= ULTIMATE.start_main_~k~5 49), 82723#(<= ULTIMATE.start_main_~k~5 52), 82722#(<= ULTIMATE.start_main_~k~5 51), 82725#(<= ULTIMATE.start_main_~k~5 54), 82724#(<= ULTIMATE.start_main_~k~5 53), 82727#(<= ULTIMATE.start_main_~k~5 56), 82726#(<= ULTIMATE.start_main_~k~5 55), 82729#(<= ULTIMATE.start_main_~k~5 58), 82728#(<= ULTIMATE.start_main_~k~5 57), 82731#(<= ULTIMATE.start_main_~k~5 60), 82730#(<= ULTIMATE.start_main_~k~5 59), 82733#(<= ULTIMATE.start_main_~k~5 62), 82732#(<= ULTIMATE.start_main_~k~5 61), 82735#(<= ULTIMATE.start_main_~k~5 64), 82734#(<= ULTIMATE.start_main_~k~5 63), 82737#(<= ULTIMATE.start_main_~k~5 66), 82736#(<= ULTIMATE.start_main_~k~5 65), 82739#(<= ULTIMATE.start_main_~k~5 68), 82738#(<= ULTIMATE.start_main_~k~5 67), 82741#(<= ULTIMATE.start_main_~k~5 70), 82740#(<= ULTIMATE.start_main_~k~5 69), 82743#(<= ULTIMATE.start_main_~k~5 72), 82742#(<= ULTIMATE.start_main_~k~5 71), 82745#(<= ULTIMATE.start_main_~k~5 74), 82744#(<= ULTIMATE.start_main_~k~5 73), 82747#(<= ULTIMATE.start_main_~k~5 76), 82746#(<= ULTIMATE.start_main_~k~5 75), 82749#(<= ULTIMATE.start_main_~k~5 78), 82748#(<= ULTIMATE.start_main_~k~5 77), 82751#(<= ULTIMATE.start_main_~k~5 80), 82750#(<= ULTIMATE.start_main_~k~5 79), 82753#(<= ULTIMATE.start_main_~k~5 82), 82752#(<= ULTIMATE.start_main_~k~5 81), 82755#(<= ULTIMATE.start_main_~k~5 84), 82754#(<= ULTIMATE.start_main_~k~5 83), 82757#(<= ULTIMATE.start_main_~k~5 86), 82756#(<= ULTIMATE.start_main_~k~5 85), 82759#(<= ULTIMATE.start_main_~k~5 88), 82758#(<= ULTIMATE.start_main_~k~5 87), 82761#(<= ULTIMATE.start_main_~k~5 90), 82760#(<= ULTIMATE.start_main_~k~5 89), 82763#(<= ULTIMATE.start_main_~k~5 92), 82762#(<= ULTIMATE.start_main_~k~5 91), 82765#(<= ULTIMATE.start_main_~k~5 94), 82764#(<= ULTIMATE.start_main_~k~5 93), 82767#(<= ULTIMATE.start_main_~k~5 96), 82766#(<= ULTIMATE.start_main_~k~5 95), 82769#(<= ULTIMATE.start_main_~k~5 98), 82768#(<= ULTIMATE.start_main_~k~5 97), 82771#(<= ULTIMATE.start_main_~k~5 100), 82770#(<= ULTIMATE.start_main_~k~5 99), 82773#(<= ULTIMATE.start_main_~k~5 102), 82772#(<= ULTIMATE.start_main_~k~5 101), 82775#(<= ULTIMATE.start_main_~k~5 104), 82774#(<= ULTIMATE.start_main_~k~5 103), 82777#(<= ULTIMATE.start_main_~k~5 106), 82776#(<= ULTIMATE.start_main_~k~5 105), 82779#(<= ULTIMATE.start_main_~k~5 108), 82778#(<= ULTIMATE.start_main_~k~5 107), 82781#(<= ULTIMATE.start_main_~k~5 110), 82780#(<= ULTIMATE.start_main_~k~5 109), 82783#(<= ULTIMATE.start_main_~k~5 112), 82782#(<= ULTIMATE.start_main_~k~5 111), 82785#(<= ULTIMATE.start_main_~k~5 114), 82784#(<= ULTIMATE.start_main_~k~5 113), 82787#(<= ULTIMATE.start_main_~k~5 116), 82786#(<= ULTIMATE.start_main_~k~5 115), 82789#(<= ULTIMATE.start_main_~k~5 118), 82788#(<= ULTIMATE.start_main_~k~5 117), 82791#(<= ULTIMATE.start_main_~k~5 120), 82790#(<= ULTIMATE.start_main_~k~5 119), 82793#(<= ULTIMATE.start_main_~k~5 122), 82792#(<= ULTIMATE.start_main_~k~5 121), 82795#(<= ULTIMATE.start_main_~k~5 124), 82794#(<= ULTIMATE.start_main_~k~5 123), 82797#(<= ULTIMATE.start_main_~k~5 126), 82796#(<= ULTIMATE.start_main_~k~5 125), 82799#(<= ULTIMATE.start_main_~k~5 128), 82798#(<= ULTIMATE.start_main_~k~5 127), 82801#(<= ULTIMATE.start_main_~k~5 130), 82800#(<= ULTIMATE.start_main_~k~5 129), 82803#(<= ULTIMATE.start_main_~k~5 132), 82802#(<= ULTIMATE.start_main_~k~5 131), 82805#(<= ULTIMATE.start_main_~k~5 134), 82804#(<= ULTIMATE.start_main_~k~5 133), 82807#(<= ULTIMATE.start_main_~k~5 136), 82806#(<= ULTIMATE.start_main_~k~5 135), 82809#(<= ULTIMATE.start_main_~k~5 138), 82808#(<= ULTIMATE.start_main_~k~5 137), 82811#(<= ULTIMATE.start_main_~k~5 140), 82810#(<= ULTIMATE.start_main_~k~5 139), 82813#(<= ULTIMATE.start_main_~k~5 142), 82812#(<= ULTIMATE.start_main_~k~5 141), 82815#(<= ULTIMATE.start_main_~k~5 144), 82814#(<= ULTIMATE.start_main_~k~5 143), 82817#(<= ULTIMATE.start_main_~k~5 146), 82816#(<= ULTIMATE.start_main_~k~5 145), 82819#(<= ULTIMATE.start_main_~k~5 148), 82818#(<= ULTIMATE.start_main_~k~5 147), 82821#(<= ULTIMATE.start_main_~k~5 150), 82820#(<= ULTIMATE.start_main_~k~5 149), 82823#(<= ULTIMATE.start_main_~k~5 152), 82822#(<= ULTIMATE.start_main_~k~5 151), 82825#(<= ULTIMATE.start_main_~k~5 154), 82824#(<= ULTIMATE.start_main_~k~5 153), 82827#(<= ULTIMATE.start_main_~k~5 156), 82826#(<= ULTIMATE.start_main_~k~5 155), 82829#(<= ULTIMATE.start_main_~k~5 158), 82828#(<= ULTIMATE.start_main_~k~5 157), 82831#(<= ULTIMATE.start_main_~k~5 160), 82830#(<= ULTIMATE.start_main_~k~5 159), 82833#(<= ULTIMATE.start_main_~k~5 162), 82832#(<= ULTIMATE.start_main_~k~5 161), 82835#(<= ULTIMATE.start_main_~k~5 164), 82834#(<= ULTIMATE.start_main_~k~5 163), 82837#(<= ULTIMATE.start_main_~k~5 166), 82836#(<= ULTIMATE.start_main_~k~5 165), 82839#(<= ULTIMATE.start_main_~k~5 168), 82838#(<= ULTIMATE.start_main_~k~5 167), 82841#(<= ULTIMATE.start_main_~k~5 170), 82840#(<= ULTIMATE.start_main_~k~5 169), 82843#(<= ULTIMATE.start_main_~k~5 172), 82842#(<= ULTIMATE.start_main_~k~5 171), 82845#(<= ULTIMATE.start_main_~k~5 174), 82844#(<= ULTIMATE.start_main_~k~5 173), 82847#(<= ULTIMATE.start_main_~k~5 176), 82846#(<= ULTIMATE.start_main_~k~5 175), 82848#(<= ULTIMATE.start_main_~k~5 177), 82669#true, 82671#(<= ULTIMATE.start_main_~k~5 0), 82670#false, 82673#(<= ULTIMATE.start_main_~k~5 2), 82672#(<= ULTIMATE.start_main_~k~5 1), 82675#(<= ULTIMATE.start_main_~k~5 4), 82674#(<= ULTIMATE.start_main_~k~5 3), 82677#(<= ULTIMATE.start_main_~k~5 6), 82676#(<= ULTIMATE.start_main_~k~5 5), 82679#(<= ULTIMATE.start_main_~k~5 8), 82678#(<= ULTIMATE.start_main_~k~5 7), 82681#(<= ULTIMATE.start_main_~k~5 10), 82680#(<= ULTIMATE.start_main_~k~5 9), 82683#(<= ULTIMATE.start_main_~k~5 12), 82682#(<= ULTIMATE.start_main_~k~5 11), 82685#(<= ULTIMATE.start_main_~k~5 14), 82684#(<= ULTIMATE.start_main_~k~5 13), 82687#(<= ULTIMATE.start_main_~k~5 16), 82686#(<= ULTIMATE.start_main_~k~5 15)] [2018-07-23 13:42:08,751 INFO L134 CoverageAnalysis]: Checked inductivity of 15753 backedges. 0 proven. 15753 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2018-07-23 13:42:08,751 INFO L450 AbstractCegarLoop]: Interpolant automaton has 180 states [2018-07-23 13:42:08,754 INFO L132 InterpolantAutomaton]: Constructing interpolant automaton starting with 180 interpolants. [2018-07-23 13:42:08,756 INFO L133 InterpolantAutomaton]: CoverageRelationStatistics Valid=16110, Invalid=16110, Unknown=0, NotChecked=0, Total=32220 [2018-07-23 13:42:08,756 INFO L87 Difference]: Start difference. First operand 181 states and 181 transitions. Second operand 180 states. [2018-07-23 13:42:09,392 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2018-07-23 13:42:09,392 INFO L93 Difference]: Finished difference Result 184 states and 184 transitions. [2018-07-23 13:42:09,392 INFO L142 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 180 states. [2018-07-23 13:42:09,392 INFO L78 Accepts]: Start accepts. Automaton has 180 states. Word has length 180 [2018-07-23 13:42:09,392 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2018-07-23 13:42:09,393 INFO L225 Difference]: With dead ends: 184 [2018-07-23 13:42:09,393 INFO L226 Difference]: Without dead ends: 182 [2018-07-23 13:42:09,394 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 13:42:09,394 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 182 states. [2018-07-23 13:42:09,397 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 182 to 182. [2018-07-23 13:42:09,397 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 182 states. [2018-07-23 13:42:09,397 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 182 states to 182 states and 182 transitions. [2018-07-23 13:42:09,397 INFO L78 Accepts]: Start accepts. Automaton has 182 states and 182 transitions. Word has length 180 [2018-07-23 13:42:09,397 INFO L84 Accepts]: Finished accepts. word is rejected. [2018-07-23 13:42:09,397 INFO L471 AbstractCegarLoop]: Abstraction has 182 states and 182 transitions. [2018-07-23 13:42:09,397 INFO L472 AbstractCegarLoop]: Interpolant automaton has 180 states. [2018-07-23 13:42:09,397 INFO L276 IsEmpty]: Start isEmpty. Operand 182 states and 182 transitions. [2018-07-23 13:42:09,398 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 182 [2018-07-23 13:42:09,398 INFO L349 BasicCegarLoop]: Found error trace [2018-07-23 13:42:09,398 INFO L357 BasicCegarLoop]: trace histogram [178, 1, 1, 1] [2018-07-23 13:42:09,398 INFO L414 AbstractCegarLoop]: === Iteration 179 === [ULTIMATE.startErr0AssertViolationASSERT]=== [2018-07-23 13:42:09,398 INFO L82 PathProgramCache]: Analyzing trace with hash 546144033, now seen corresponding path program 178 times [2018-07-23 13:42:09,398 INFO L69 tionRefinementEngine]: Using refinement strategy FixedRefinementStrategy [2018-07-23 13:42:09,465 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-07-23 13:42:10,239 INFO L134 CoverageAnalysis]: Checked inductivity of 15931 backedges. 0 proven. 15931 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2018-07-23 13:42:10,239 INFO L309 seRefinementStrategy]: Constructing automaton from 0 perfect and 1 imperfect interpolant sequences. [2018-07-23 13:42:10,239 INFO L324 seRefinementStrategy]: Number of different interpolants: perfect sequences [] imperfect sequences [180] total 180 [2018-07-23 13:42:10,240 INFO L142 lantAutomatonBuilder]: Constructing canonical interpolant automaton, with selfloop in false state [2018-07-23 13:42:10,240 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2018-07-23 13:42:10,240 INFO L185 omatonBuilderFactory]: Interpolants [83713#(<= ULTIMATE.start_main_~k~5 130), 83712#(<= ULTIMATE.start_main_~k~5 129), 83715#(<= ULTIMATE.start_main_~k~5 132), 83714#(<= ULTIMATE.start_main_~k~5 131), 83717#(<= ULTIMATE.start_main_~k~5 134), 83716#(<= ULTIMATE.start_main_~k~5 133), 83719#(<= ULTIMATE.start_main_~k~5 136), 83718#(<= ULTIMATE.start_main_~k~5 135), 83721#(<= ULTIMATE.start_main_~k~5 138), 83720#(<= ULTIMATE.start_main_~k~5 137), 83723#(<= ULTIMATE.start_main_~k~5 140), 83722#(<= ULTIMATE.start_main_~k~5 139), 83725#(<= ULTIMATE.start_main_~k~5 142), 83724#(<= ULTIMATE.start_main_~k~5 141), 83727#(<= ULTIMATE.start_main_~k~5 144), 83726#(<= ULTIMATE.start_main_~k~5 143), 83729#(<= ULTIMATE.start_main_~k~5 146), 83728#(<= ULTIMATE.start_main_~k~5 145), 83731#(<= ULTIMATE.start_main_~k~5 148), 83730#(<= ULTIMATE.start_main_~k~5 147), 83733#(<= ULTIMATE.start_main_~k~5 150), 83732#(<= ULTIMATE.start_main_~k~5 149), 83735#(<= ULTIMATE.start_main_~k~5 152), 83734#(<= ULTIMATE.start_main_~k~5 151), 83737#(<= ULTIMATE.start_main_~k~5 154), 83736#(<= ULTIMATE.start_main_~k~5 153), 83739#(<= ULTIMATE.start_main_~k~5 156), 83738#(<= ULTIMATE.start_main_~k~5 155), 83741#(<= ULTIMATE.start_main_~k~5 158), 83740#(<= ULTIMATE.start_main_~k~5 157), 83743#(<= ULTIMATE.start_main_~k~5 160), 83742#(<= ULTIMATE.start_main_~k~5 159), 83745#(<= ULTIMATE.start_main_~k~5 162), 83744#(<= ULTIMATE.start_main_~k~5 161), 83747#(<= ULTIMATE.start_main_~k~5 164), 83746#(<= ULTIMATE.start_main_~k~5 163), 83749#(<= ULTIMATE.start_main_~k~5 166), 83748#(<= ULTIMATE.start_main_~k~5 165), 83751#(<= ULTIMATE.start_main_~k~5 168), 83750#(<= ULTIMATE.start_main_~k~5 167), 83753#(<= ULTIMATE.start_main_~k~5 170), 83752#(<= ULTIMATE.start_main_~k~5 169), 83755#(<= ULTIMATE.start_main_~k~5 172), 83754#(<= ULTIMATE.start_main_~k~5 171), 83757#(<= ULTIMATE.start_main_~k~5 174), 83756#(<= ULTIMATE.start_main_~k~5 173), 83759#(<= ULTIMATE.start_main_~k~5 176), 83758#(<= ULTIMATE.start_main_~k~5 175), 83761#(<= ULTIMATE.start_main_~k~5 178), 83760#(<= ULTIMATE.start_main_~k~5 177), 83581#true, 83583#(<= ULTIMATE.start_main_~k~5 0), 83582#false, 83585#(<= ULTIMATE.start_main_~k~5 2), 83584#(<= ULTIMATE.start_main_~k~5 1), 83587#(<= ULTIMATE.start_main_~k~5 4), 83586#(<= ULTIMATE.start_main_~k~5 3), 83589#(<= ULTIMATE.start_main_~k~5 6), 83588#(<= ULTIMATE.start_main_~k~5 5), 83591#(<= ULTIMATE.start_main_~k~5 8), 83590#(<= ULTIMATE.start_main_~k~5 7), 83593#(<= ULTIMATE.start_main_~k~5 10), 83592#(<= ULTIMATE.start_main_~k~5 9), 83595#(<= ULTIMATE.start_main_~k~5 12), 83594#(<= ULTIMATE.start_main_~k~5 11), 83597#(<= ULTIMATE.start_main_~k~5 14), 83596#(<= ULTIMATE.start_main_~k~5 13), 83599#(<= ULTIMATE.start_main_~k~5 16), 83598#(<= ULTIMATE.start_main_~k~5 15), 83601#(<= ULTIMATE.start_main_~k~5 18), 83600#(<= ULTIMATE.start_main_~k~5 17), 83603#(<= ULTIMATE.start_main_~k~5 20), 83602#(<= ULTIMATE.start_main_~k~5 19), 83605#(<= ULTIMATE.start_main_~k~5 22), 83604#(<= ULTIMATE.start_main_~k~5 21), 83607#(<= ULTIMATE.start_main_~k~5 24), 83606#(<= ULTIMATE.start_main_~k~5 23), 83609#(<= ULTIMATE.start_main_~k~5 26), 83608#(<= ULTIMATE.start_main_~k~5 25), 83611#(<= ULTIMATE.start_main_~k~5 28), 83610#(<= ULTIMATE.start_main_~k~5 27), 83613#(<= ULTIMATE.start_main_~k~5 30), 83612#(<= ULTIMATE.start_main_~k~5 29), 83615#(<= ULTIMATE.start_main_~k~5 32), 83614#(<= ULTIMATE.start_main_~k~5 31), 83617#(<= ULTIMATE.start_main_~k~5 34), 83616#(<= ULTIMATE.start_main_~k~5 33), 83619#(<= ULTIMATE.start_main_~k~5 36), 83618#(<= ULTIMATE.start_main_~k~5 35), 83621#(<= ULTIMATE.start_main_~k~5 38), 83620#(<= ULTIMATE.start_main_~k~5 37), 83623#(<= ULTIMATE.start_main_~k~5 40), 83622#(<= ULTIMATE.start_main_~k~5 39), 83625#(<= ULTIMATE.start_main_~k~5 42), 83624#(<= ULTIMATE.start_main_~k~5 41), 83627#(<= ULTIMATE.start_main_~k~5 44), 83626#(<= ULTIMATE.start_main_~k~5 43), 83629#(<= ULTIMATE.start_main_~k~5 46), 83628#(<= ULTIMATE.start_main_~k~5 45), 83631#(<= ULTIMATE.start_main_~k~5 48), 83630#(<= ULTIMATE.start_main_~k~5 47), 83633#(<= ULTIMATE.start_main_~k~5 50), 83632#(<= ULTIMATE.start_main_~k~5 49), 83635#(<= ULTIMATE.start_main_~k~5 52), 83634#(<= ULTIMATE.start_main_~k~5 51), 83637#(<= ULTIMATE.start_main_~k~5 54), 83636#(<= ULTIMATE.start_main_~k~5 53), 83639#(<= ULTIMATE.start_main_~k~5 56), 83638#(<= ULTIMATE.start_main_~k~5 55), 83641#(<= ULTIMATE.start_main_~k~5 58), 83640#(<= ULTIMATE.start_main_~k~5 57), 83643#(<= ULTIMATE.start_main_~k~5 60), 83642#(<= ULTIMATE.start_main_~k~5 59), 83645#(<= ULTIMATE.start_main_~k~5 62), 83644#(<= ULTIMATE.start_main_~k~5 61), 83647#(<= ULTIMATE.start_main_~k~5 64), 83646#(<= ULTIMATE.start_main_~k~5 63), 83649#(<= ULTIMATE.start_main_~k~5 66), 83648#(<= ULTIMATE.start_main_~k~5 65), 83651#(<= ULTIMATE.start_main_~k~5 68), 83650#(<= ULTIMATE.start_main_~k~5 67), 83653#(<= ULTIMATE.start_main_~k~5 70), 83652#(<= ULTIMATE.start_main_~k~5 69), 83655#(<= ULTIMATE.start_main_~k~5 72), 83654#(<= ULTIMATE.start_main_~k~5 71), 83657#(<= ULTIMATE.start_main_~k~5 74), 83656#(<= ULTIMATE.start_main_~k~5 73), 83659#(<= ULTIMATE.start_main_~k~5 76), 83658#(<= ULTIMATE.start_main_~k~5 75), 83661#(<= ULTIMATE.start_main_~k~5 78), 83660#(<= ULTIMATE.start_main_~k~5 77), 83663#(<= ULTIMATE.start_main_~k~5 80), 83662#(<= ULTIMATE.start_main_~k~5 79), 83665#(<= ULTIMATE.start_main_~k~5 82), 83664#(<= ULTIMATE.start_main_~k~5 81), 83667#(<= ULTIMATE.start_main_~k~5 84), 83666#(<= ULTIMATE.start_main_~k~5 83), 83669#(<= ULTIMATE.start_main_~k~5 86), 83668#(<= ULTIMATE.start_main_~k~5 85), 83671#(<= ULTIMATE.start_main_~k~5 88), 83670#(<= ULTIMATE.start_main_~k~5 87), 83673#(<= ULTIMATE.start_main_~k~5 90), 83672#(<= ULTIMATE.start_main_~k~5 89), 83675#(<= ULTIMATE.start_main_~k~5 92), 83674#(<= ULTIMATE.start_main_~k~5 91), 83677#(<= ULTIMATE.start_main_~k~5 94), 83676#(<= ULTIMATE.start_main_~k~5 93), 83679#(<= ULTIMATE.start_main_~k~5 96), 83678#(<= ULTIMATE.start_main_~k~5 95), 83681#(<= ULTIMATE.start_main_~k~5 98), 83680#(<= ULTIMATE.start_main_~k~5 97), 83683#(<= ULTIMATE.start_main_~k~5 100), 83682#(<= ULTIMATE.start_main_~k~5 99), 83685#(<= ULTIMATE.start_main_~k~5 102), 83684#(<= ULTIMATE.start_main_~k~5 101), 83687#(<= ULTIMATE.start_main_~k~5 104), 83686#(<= ULTIMATE.start_main_~k~5 103), 83689#(<= ULTIMATE.start_main_~k~5 106), 83688#(<= ULTIMATE.start_main_~k~5 105), 83691#(<= ULTIMATE.start_main_~k~5 108), 83690#(<= ULTIMATE.start_main_~k~5 107), 83693#(<= ULTIMATE.start_main_~k~5 110), 83692#(<= ULTIMATE.start_main_~k~5 109), 83695#(<= ULTIMATE.start_main_~k~5 112), 83694#(<= ULTIMATE.start_main_~k~5 111), 83697#(<= ULTIMATE.start_main_~k~5 114), 83696#(<= ULTIMATE.start_main_~k~5 113), 83699#(<= ULTIMATE.start_main_~k~5 116), 83698#(<= ULTIMATE.start_main_~k~5 115), 83701#(<= ULTIMATE.start_main_~k~5 118), 83700#(<= ULTIMATE.start_main_~k~5 117), 83703#(<= ULTIMATE.start_main_~k~5 120), 83702#(<= ULTIMATE.start_main_~k~5 119), 83705#(<= ULTIMATE.start_main_~k~5 122), 83704#(<= ULTIMATE.start_main_~k~5 121), 83707#(<= ULTIMATE.start_main_~k~5 124), 83706#(<= ULTIMATE.start_main_~k~5 123), 83709#(<= ULTIMATE.start_main_~k~5 126), 83708#(<= ULTIMATE.start_main_~k~5 125), 83711#(<= ULTIMATE.start_main_~k~5 128), 83710#(<= ULTIMATE.start_main_~k~5 127)] [2018-07-23 13:42:10,241 INFO L134 CoverageAnalysis]: Checked inductivity of 15931 backedges. 0 proven. 15931 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2018-07-23 13:42:10,241 INFO L450 AbstractCegarLoop]: Interpolant automaton has 181 states [2018-07-23 13:42:10,244 INFO L132 InterpolantAutomaton]: Constructing interpolant automaton starting with 181 interpolants. [2018-07-23 13:42:10,245 INFO L133 InterpolantAutomaton]: CoverageRelationStatistics Valid=16290, Invalid=16290, Unknown=0, NotChecked=0, Total=32580 [2018-07-23 13:42:10,245 INFO L87 Difference]: Start difference. First operand 182 states and 182 transitions. Second operand 181 states. [2018-07-23 13:42:10,566 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2018-07-23 13:42:10,567 INFO L93 Difference]: Finished difference Result 185 states and 185 transitions. [2018-07-23 13:42:10,567 INFO L142 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 181 states. [2018-07-23 13:42:10,567 INFO L78 Accepts]: Start accepts. Automaton has 181 states. Word has length 181 [2018-07-23 13:42:10,567 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2018-07-23 13:42:10,567 INFO L225 Difference]: With dead ends: 185 [2018-07-23 13:42:10,567 INFO L226 Difference]: Without dead ends: 183 [2018-07-23 13:42:10,570 INFO L575 BasicCegarLoop]: 0 DeclaredPredicates, 180 GetRequests, 1 SyntacticMatches, 0 SemanticMatches, 179 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 0 ImplicationChecksByTransitivity, 0.6s TimeCoverageRelationStatistics Valid=16290, Invalid=16290, Unknown=0, NotChecked=0, Total=32580 [2018-07-23 13:42:10,570 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 183 states. [2018-07-23 13:42:10,572 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 183 to 183. [2018-07-23 13:42:10,572 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 183 states. [2018-07-23 13:42:10,572 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 183 states to 183 states and 183 transitions. [2018-07-23 13:42:10,572 INFO L78 Accepts]: Start accepts. Automaton has 183 states and 183 transitions. Word has length 181 [2018-07-23 13:42:10,573 INFO L84 Accepts]: Finished accepts. word is rejected. [2018-07-23 13:42:10,573 INFO L471 AbstractCegarLoop]: Abstraction has 183 states and 183 transitions. [2018-07-23 13:42:10,573 INFO L472 AbstractCegarLoop]: Interpolant automaton has 181 states. [2018-07-23 13:42:10,573 INFO L276 IsEmpty]: Start isEmpty. Operand 183 states and 183 transitions. [2018-07-23 13:42:10,573 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 183 [2018-07-23 13:42:10,574 INFO L349 BasicCegarLoop]: Found error trace [2018-07-23 13:42:10,574 INFO L357 BasicCegarLoop]: trace histogram [179, 1, 1, 1] [2018-07-23 13:42:10,574 INFO L414 AbstractCegarLoop]: === Iteration 180 === [ULTIMATE.startErr0AssertViolationASSERT]=== [2018-07-23 13:42:10,574 INFO L82 PathProgramCache]: Analyzing trace with hash -249406136, now seen corresponding path program 179 times [2018-07-23 13:42:10,574 INFO L69 tionRefinementEngine]: Using refinement strategy FixedRefinementStrategy [2018-07-23 13:42:10,662 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-07-23 13:42:11,502 INFO L134 CoverageAnalysis]: Checked inductivity of 16110 backedges. 0 proven. 16110 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2018-07-23 13:42:11,502 INFO L309 seRefinementStrategy]: Constructing automaton from 0 perfect and 1 imperfect interpolant sequences. [2018-07-23 13:42:11,502 INFO L324 seRefinementStrategy]: Number of different interpolants: perfect sequences [] imperfect sequences [181] total 181 [2018-07-23 13:42:11,503 INFO L142 lantAutomatonBuilder]: Constructing canonical interpolant automaton, with selfloop in false state [2018-07-23 13:42:11,503 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2018-07-23 13:42:11,503 INFO L185 omatonBuilderFactory]: Interpolants [84499#false, 84498#true, 84501#(<= ULTIMATE.start_main_~k~5 1), 84500#(<= ULTIMATE.start_main_~k~5 0), 84503#(<= ULTIMATE.start_main_~k~5 3), 84502#(<= ULTIMATE.start_main_~k~5 2), 84505#(<= ULTIMATE.start_main_~k~5 5), 84504#(<= ULTIMATE.start_main_~k~5 4), 84507#(<= ULTIMATE.start_main_~k~5 7), 84506#(<= ULTIMATE.start_main_~k~5 6), 84509#(<= ULTIMATE.start_main_~k~5 9), 84508#(<= ULTIMATE.start_main_~k~5 8), 84511#(<= ULTIMATE.start_main_~k~5 11), 84510#(<= ULTIMATE.start_main_~k~5 10), 84513#(<= ULTIMATE.start_main_~k~5 13), 84512#(<= ULTIMATE.start_main_~k~5 12), 84515#(<= ULTIMATE.start_main_~k~5 15), 84514#(<= ULTIMATE.start_main_~k~5 14), 84517#(<= ULTIMATE.start_main_~k~5 17), 84516#(<= ULTIMATE.start_main_~k~5 16), 84519#(<= ULTIMATE.start_main_~k~5 19), 84518#(<= ULTIMATE.start_main_~k~5 18), 84521#(<= ULTIMATE.start_main_~k~5 21), 84520#(<= ULTIMATE.start_main_~k~5 20), 84523#(<= ULTIMATE.start_main_~k~5 23), 84522#(<= ULTIMATE.start_main_~k~5 22), 84525#(<= ULTIMATE.start_main_~k~5 25), 84524#(<= ULTIMATE.start_main_~k~5 24), 84527#(<= ULTIMATE.start_main_~k~5 27), 84526#(<= ULTIMATE.start_main_~k~5 26), 84529#(<= ULTIMATE.start_main_~k~5 29), 84528#(<= ULTIMATE.start_main_~k~5 28), 84531#(<= ULTIMATE.start_main_~k~5 31), 84530#(<= ULTIMATE.start_main_~k~5 30), 84533#(<= ULTIMATE.start_main_~k~5 33), 84532#(<= ULTIMATE.start_main_~k~5 32), 84535#(<= ULTIMATE.start_main_~k~5 35), 84534#(<= ULTIMATE.start_main_~k~5 34), 84537#(<= ULTIMATE.start_main_~k~5 37), 84536#(<= ULTIMATE.start_main_~k~5 36), 84539#(<= ULTIMATE.start_main_~k~5 39), 84538#(<= ULTIMATE.start_main_~k~5 38), 84541#(<= ULTIMATE.start_main_~k~5 41), 84540#(<= ULTIMATE.start_main_~k~5 40), 84543#(<= ULTIMATE.start_main_~k~5 43), 84542#(<= ULTIMATE.start_main_~k~5 42), 84545#(<= ULTIMATE.start_main_~k~5 45), 84544#(<= ULTIMATE.start_main_~k~5 44), 84547#(<= ULTIMATE.start_main_~k~5 47), 84546#(<= ULTIMATE.start_main_~k~5 46), 84549#(<= ULTIMATE.start_main_~k~5 49), 84548#(<= ULTIMATE.start_main_~k~5 48), 84551#(<= ULTIMATE.start_main_~k~5 51), 84550#(<= ULTIMATE.start_main_~k~5 50), 84553#(<= ULTIMATE.start_main_~k~5 53), 84552#(<= ULTIMATE.start_main_~k~5 52), 84555#(<= ULTIMATE.start_main_~k~5 55), 84554#(<= ULTIMATE.start_main_~k~5 54), 84557#(<= ULTIMATE.start_main_~k~5 57), 84556#(<= ULTIMATE.start_main_~k~5 56), 84559#(<= ULTIMATE.start_main_~k~5 59), 84558#(<= ULTIMATE.start_main_~k~5 58), 84561#(<= ULTIMATE.start_main_~k~5 61), 84560#(<= ULTIMATE.start_main_~k~5 60), 84563#(<= ULTIMATE.start_main_~k~5 63), 84562#(<= ULTIMATE.start_main_~k~5 62), 84565#(<= ULTIMATE.start_main_~k~5 65), 84564#(<= ULTIMATE.start_main_~k~5 64), 84567#(<= ULTIMATE.start_main_~k~5 67), 84566#(<= ULTIMATE.start_main_~k~5 66), 84569#(<= ULTIMATE.start_main_~k~5 69), 84568#(<= ULTIMATE.start_main_~k~5 68), 84571#(<= ULTIMATE.start_main_~k~5 71), 84570#(<= ULTIMATE.start_main_~k~5 70), 84573#(<= ULTIMATE.start_main_~k~5 73), 84572#(<= ULTIMATE.start_main_~k~5 72), 84575#(<= ULTIMATE.start_main_~k~5 75), 84574#(<= ULTIMATE.start_main_~k~5 74), 84577#(<= ULTIMATE.start_main_~k~5 77), 84576#(<= ULTIMATE.start_main_~k~5 76), 84579#(<= ULTIMATE.start_main_~k~5 79), 84578#(<= ULTIMATE.start_main_~k~5 78), 84581#(<= ULTIMATE.start_main_~k~5 81), 84580#(<= ULTIMATE.start_main_~k~5 80), 84583#(<= ULTIMATE.start_main_~k~5 83), 84582#(<= ULTIMATE.start_main_~k~5 82), 84585#(<= ULTIMATE.start_main_~k~5 85), 84584#(<= ULTIMATE.start_main_~k~5 84), 84587#(<= ULTIMATE.start_main_~k~5 87), 84586#(<= ULTIMATE.start_main_~k~5 86), 84589#(<= ULTIMATE.start_main_~k~5 89), 84588#(<= ULTIMATE.start_main_~k~5 88), 84591#(<= ULTIMATE.start_main_~k~5 91), 84590#(<= ULTIMATE.start_main_~k~5 90), 84593#(<= ULTIMATE.start_main_~k~5 93), 84592#(<= ULTIMATE.start_main_~k~5 92), 84595#(<= ULTIMATE.start_main_~k~5 95), 84594#(<= ULTIMATE.start_main_~k~5 94), 84597#(<= ULTIMATE.start_main_~k~5 97), 84596#(<= ULTIMATE.start_main_~k~5 96), 84599#(<= ULTIMATE.start_main_~k~5 99), 84598#(<= ULTIMATE.start_main_~k~5 98), 84601#(<= ULTIMATE.start_main_~k~5 101), 84600#(<= ULTIMATE.start_main_~k~5 100), 84603#(<= ULTIMATE.start_main_~k~5 103), 84602#(<= ULTIMATE.start_main_~k~5 102), 84605#(<= ULTIMATE.start_main_~k~5 105), 84604#(<= ULTIMATE.start_main_~k~5 104), 84607#(<= ULTIMATE.start_main_~k~5 107), 84606#(<= ULTIMATE.start_main_~k~5 106), 84609#(<= ULTIMATE.start_main_~k~5 109), 84608#(<= ULTIMATE.start_main_~k~5 108), 84611#(<= ULTIMATE.start_main_~k~5 111), 84610#(<= ULTIMATE.start_main_~k~5 110), 84613#(<= ULTIMATE.start_main_~k~5 113), 84612#(<= ULTIMATE.start_main_~k~5 112), 84615#(<= ULTIMATE.start_main_~k~5 115), 84614#(<= ULTIMATE.start_main_~k~5 114), 84617#(<= ULTIMATE.start_main_~k~5 117), 84616#(<= ULTIMATE.start_main_~k~5 116), 84619#(<= ULTIMATE.start_main_~k~5 119), 84618#(<= ULTIMATE.start_main_~k~5 118), 84621#(<= ULTIMATE.start_main_~k~5 121), 84620#(<= ULTIMATE.start_main_~k~5 120), 84623#(<= ULTIMATE.start_main_~k~5 123), 84622#(<= ULTIMATE.start_main_~k~5 122), 84625#(<= ULTIMATE.start_main_~k~5 125), 84624#(<= ULTIMATE.start_main_~k~5 124), 84627#(<= ULTIMATE.start_main_~k~5 127), 84626#(<= ULTIMATE.start_main_~k~5 126), 84629#(<= ULTIMATE.start_main_~k~5 129), 84628#(<= ULTIMATE.start_main_~k~5 128), 84631#(<= ULTIMATE.start_main_~k~5 131), 84630#(<= ULTIMATE.start_main_~k~5 130), 84633#(<= ULTIMATE.start_main_~k~5 133), 84632#(<= ULTIMATE.start_main_~k~5 132), 84635#(<= ULTIMATE.start_main_~k~5 135), 84634#(<= ULTIMATE.start_main_~k~5 134), 84637#(<= ULTIMATE.start_main_~k~5 137), 84636#(<= ULTIMATE.start_main_~k~5 136), 84639#(<= ULTIMATE.start_main_~k~5 139), 84638#(<= ULTIMATE.start_main_~k~5 138), 84641#(<= ULTIMATE.start_main_~k~5 141), 84640#(<= ULTIMATE.start_main_~k~5 140), 84643#(<= ULTIMATE.start_main_~k~5 143), 84642#(<= ULTIMATE.start_main_~k~5 142), 84645#(<= ULTIMATE.start_main_~k~5 145), 84644#(<= ULTIMATE.start_main_~k~5 144), 84647#(<= ULTIMATE.start_main_~k~5 147), 84646#(<= ULTIMATE.start_main_~k~5 146), 84649#(<= ULTIMATE.start_main_~k~5 149), 84648#(<= ULTIMATE.start_main_~k~5 148), 84651#(<= ULTIMATE.start_main_~k~5 151), 84650#(<= ULTIMATE.start_main_~k~5 150), 84653#(<= ULTIMATE.start_main_~k~5 153), 84652#(<= ULTIMATE.start_main_~k~5 152), 84655#(<= ULTIMATE.start_main_~k~5 155), 84654#(<= ULTIMATE.start_main_~k~5 154), 84657#(<= ULTIMATE.start_main_~k~5 157), 84656#(<= ULTIMATE.start_main_~k~5 156), 84659#(<= ULTIMATE.start_main_~k~5 159), 84658#(<= ULTIMATE.start_main_~k~5 158), 84661#(<= ULTIMATE.start_main_~k~5 161), 84660#(<= ULTIMATE.start_main_~k~5 160), 84663#(<= ULTIMATE.start_main_~k~5 163), 84662#(<= ULTIMATE.start_main_~k~5 162), 84665#(<= ULTIMATE.start_main_~k~5 165), 84664#(<= ULTIMATE.start_main_~k~5 164), 84667#(<= ULTIMATE.start_main_~k~5 167), 84666#(<= ULTIMATE.start_main_~k~5 166), 84669#(<= ULTIMATE.start_main_~k~5 169), 84668#(<= ULTIMATE.start_main_~k~5 168), 84671#(<= ULTIMATE.start_main_~k~5 171), 84670#(<= ULTIMATE.start_main_~k~5 170), 84673#(<= ULTIMATE.start_main_~k~5 173), 84672#(<= ULTIMATE.start_main_~k~5 172), 84675#(<= ULTIMATE.start_main_~k~5 175), 84674#(<= ULTIMATE.start_main_~k~5 174), 84677#(<= ULTIMATE.start_main_~k~5 177), 84676#(<= ULTIMATE.start_main_~k~5 176), 84679#(<= ULTIMATE.start_main_~k~5 179), 84678#(<= ULTIMATE.start_main_~k~5 178)] [2018-07-23 13:42:11,504 INFO L134 CoverageAnalysis]: Checked inductivity of 16110 backedges. 0 proven. 16110 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2018-07-23 13:42:11,504 INFO L450 AbstractCegarLoop]: Interpolant automaton has 182 states [2018-07-23 13:42:11,506 INFO L132 InterpolantAutomaton]: Constructing interpolant automaton starting with 182 interpolants. [2018-07-23 13:42:11,508 INFO L133 InterpolantAutomaton]: CoverageRelationStatistics Valid=16471, Invalid=16471, Unknown=0, NotChecked=0, Total=32942 [2018-07-23 13:42:11,508 INFO L87 Difference]: Start difference. First operand 183 states and 183 transitions. Second operand 182 states. [2018-07-23 13:42:12,267 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2018-07-23 13:42:12,268 INFO L93 Difference]: Finished difference Result 186 states and 186 transitions. [2018-07-23 13:42:12,268 INFO L142 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 182 states. [2018-07-23 13:42:12,268 INFO L78 Accepts]: Start accepts. Automaton has 182 states. Word has length 182 [2018-07-23 13:42:12,268 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2018-07-23 13:42:12,269 INFO L225 Difference]: With dead ends: 186 [2018-07-23 13:42:12,269 INFO L226 Difference]: Without dead ends: 184 [2018-07-23 13:42:12,271 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 13:42:12,271 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 184 states. [2018-07-23 13:42:12,273 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 184 to 184. [2018-07-23 13:42:12,274 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 184 states. [2018-07-23 13:42:12,274 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 184 states to 184 states and 184 transitions. [2018-07-23 13:42:12,274 INFO L78 Accepts]: Start accepts. Automaton has 184 states and 184 transitions. Word has length 182 [2018-07-23 13:42:12,274 INFO L84 Accepts]: Finished accepts. word is rejected. [2018-07-23 13:42:12,275 INFO L471 AbstractCegarLoop]: Abstraction has 184 states and 184 transitions. [2018-07-23 13:42:12,275 INFO L472 AbstractCegarLoop]: Interpolant automaton has 182 states. [2018-07-23 13:42:12,275 INFO L276 IsEmpty]: Start isEmpty. Operand 184 states and 184 transitions. [2018-07-23 13:42:12,275 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 184 [2018-07-23 13:42:12,275 INFO L349 BasicCegarLoop]: Found error trace [2018-07-23 13:42:12,275 INFO L357 BasicCegarLoop]: trace histogram [180, 1, 1, 1] [2018-07-23 13:42:12,276 INFO L414 AbstractCegarLoop]: === Iteration 181 === [ULTIMATE.startErr0AssertViolationASSERT]=== [2018-07-23 13:42:12,276 INFO L82 PathProgramCache]: Analyzing trace with hash 858342401, now seen corresponding path program 180 times [2018-07-23 13:42:12,276 INFO L69 tionRefinementEngine]: Using refinement strategy FixedRefinementStrategy [2018-07-23 13:42:12,345 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-07-23 13:42:13,166 INFO L134 CoverageAnalysis]: Checked inductivity of 16290 backedges. 0 proven. 16290 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2018-07-23 13:42:13,167 INFO L309 seRefinementStrategy]: Constructing automaton from 0 perfect and 1 imperfect interpolant sequences. [2018-07-23 13:42:13,167 INFO L324 seRefinementStrategy]: Number of different interpolants: perfect sequences [] imperfect sequences [182] total 182 [2018-07-23 13:42:13,167 INFO L142 lantAutomatonBuilder]: Constructing canonical interpolant automaton, with selfloop in false state [2018-07-23 13:42:13,167 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2018-07-23 13:42:13,168 INFO L185 omatonBuilderFactory]: Interpolants [85505#(<= ULTIMATE.start_main_~k~5 83), 85504#(<= ULTIMATE.start_main_~k~5 82), 85507#(<= ULTIMATE.start_main_~k~5 85), 85506#(<= ULTIMATE.start_main_~k~5 84), 85509#(<= ULTIMATE.start_main_~k~5 87), 85508#(<= ULTIMATE.start_main_~k~5 86), 85511#(<= ULTIMATE.start_main_~k~5 89), 85510#(<= ULTIMATE.start_main_~k~5 88), 85513#(<= ULTIMATE.start_main_~k~5 91), 85512#(<= ULTIMATE.start_main_~k~5 90), 85515#(<= ULTIMATE.start_main_~k~5 93), 85514#(<= ULTIMATE.start_main_~k~5 92), 85517#(<= ULTIMATE.start_main_~k~5 95), 85516#(<= ULTIMATE.start_main_~k~5 94), 85519#(<= ULTIMATE.start_main_~k~5 97), 85518#(<= ULTIMATE.start_main_~k~5 96), 85521#(<= ULTIMATE.start_main_~k~5 99), 85520#(<= ULTIMATE.start_main_~k~5 98), 85523#(<= ULTIMATE.start_main_~k~5 101), 85522#(<= ULTIMATE.start_main_~k~5 100), 85525#(<= ULTIMATE.start_main_~k~5 103), 85524#(<= ULTIMATE.start_main_~k~5 102), 85527#(<= ULTIMATE.start_main_~k~5 105), 85526#(<= ULTIMATE.start_main_~k~5 104), 85529#(<= ULTIMATE.start_main_~k~5 107), 85528#(<= ULTIMATE.start_main_~k~5 106), 85531#(<= ULTIMATE.start_main_~k~5 109), 85530#(<= ULTIMATE.start_main_~k~5 108), 85533#(<= ULTIMATE.start_main_~k~5 111), 85532#(<= ULTIMATE.start_main_~k~5 110), 85535#(<= ULTIMATE.start_main_~k~5 113), 85534#(<= ULTIMATE.start_main_~k~5 112), 85537#(<= ULTIMATE.start_main_~k~5 115), 85536#(<= ULTIMATE.start_main_~k~5 114), 85539#(<= ULTIMATE.start_main_~k~5 117), 85538#(<= ULTIMATE.start_main_~k~5 116), 85541#(<= ULTIMATE.start_main_~k~5 119), 85540#(<= ULTIMATE.start_main_~k~5 118), 85543#(<= ULTIMATE.start_main_~k~5 121), 85542#(<= ULTIMATE.start_main_~k~5 120), 85545#(<= ULTIMATE.start_main_~k~5 123), 85544#(<= ULTIMATE.start_main_~k~5 122), 85547#(<= ULTIMATE.start_main_~k~5 125), 85546#(<= ULTIMATE.start_main_~k~5 124), 85549#(<= ULTIMATE.start_main_~k~5 127), 85548#(<= ULTIMATE.start_main_~k~5 126), 85551#(<= ULTIMATE.start_main_~k~5 129), 85550#(<= ULTIMATE.start_main_~k~5 128), 85553#(<= ULTIMATE.start_main_~k~5 131), 85552#(<= ULTIMATE.start_main_~k~5 130), 85555#(<= ULTIMATE.start_main_~k~5 133), 85554#(<= ULTIMATE.start_main_~k~5 132), 85557#(<= ULTIMATE.start_main_~k~5 135), 85556#(<= ULTIMATE.start_main_~k~5 134), 85559#(<= ULTIMATE.start_main_~k~5 137), 85558#(<= ULTIMATE.start_main_~k~5 136), 85561#(<= ULTIMATE.start_main_~k~5 139), 85560#(<= ULTIMATE.start_main_~k~5 138), 85563#(<= ULTIMATE.start_main_~k~5 141), 85562#(<= ULTIMATE.start_main_~k~5 140), 85565#(<= ULTIMATE.start_main_~k~5 143), 85564#(<= ULTIMATE.start_main_~k~5 142), 85567#(<= ULTIMATE.start_main_~k~5 145), 85566#(<= ULTIMATE.start_main_~k~5 144), 85569#(<= ULTIMATE.start_main_~k~5 147), 85568#(<= ULTIMATE.start_main_~k~5 146), 85571#(<= ULTIMATE.start_main_~k~5 149), 85570#(<= ULTIMATE.start_main_~k~5 148), 85573#(<= ULTIMATE.start_main_~k~5 151), 85572#(<= ULTIMATE.start_main_~k~5 150), 85575#(<= ULTIMATE.start_main_~k~5 153), 85574#(<= ULTIMATE.start_main_~k~5 152), 85577#(<= ULTIMATE.start_main_~k~5 155), 85576#(<= ULTIMATE.start_main_~k~5 154), 85579#(<= ULTIMATE.start_main_~k~5 157), 85578#(<= ULTIMATE.start_main_~k~5 156), 85581#(<= ULTIMATE.start_main_~k~5 159), 85580#(<= ULTIMATE.start_main_~k~5 158), 85583#(<= ULTIMATE.start_main_~k~5 161), 85582#(<= ULTIMATE.start_main_~k~5 160), 85585#(<= ULTIMATE.start_main_~k~5 163), 85584#(<= ULTIMATE.start_main_~k~5 162), 85587#(<= ULTIMATE.start_main_~k~5 165), 85586#(<= ULTIMATE.start_main_~k~5 164), 85589#(<= ULTIMATE.start_main_~k~5 167), 85588#(<= ULTIMATE.start_main_~k~5 166), 85591#(<= ULTIMATE.start_main_~k~5 169), 85590#(<= ULTIMATE.start_main_~k~5 168), 85593#(<= ULTIMATE.start_main_~k~5 171), 85592#(<= ULTIMATE.start_main_~k~5 170), 85595#(<= ULTIMATE.start_main_~k~5 173), 85594#(<= ULTIMATE.start_main_~k~5 172), 85597#(<= ULTIMATE.start_main_~k~5 175), 85596#(<= ULTIMATE.start_main_~k~5 174), 85599#(<= ULTIMATE.start_main_~k~5 177), 85598#(<= ULTIMATE.start_main_~k~5 176), 85601#(<= ULTIMATE.start_main_~k~5 179), 85600#(<= ULTIMATE.start_main_~k~5 178), 85602#(<= ULTIMATE.start_main_~k~5 180), 85421#false, 85420#true, 85423#(<= ULTIMATE.start_main_~k~5 1), 85422#(<= ULTIMATE.start_main_~k~5 0), 85425#(<= ULTIMATE.start_main_~k~5 3), 85424#(<= ULTIMATE.start_main_~k~5 2), 85427#(<= ULTIMATE.start_main_~k~5 5), 85426#(<= ULTIMATE.start_main_~k~5 4), 85429#(<= ULTIMATE.start_main_~k~5 7), 85428#(<= ULTIMATE.start_main_~k~5 6), 85431#(<= ULTIMATE.start_main_~k~5 9), 85430#(<= ULTIMATE.start_main_~k~5 8), 85433#(<= ULTIMATE.start_main_~k~5 11), 85432#(<= ULTIMATE.start_main_~k~5 10), 85435#(<= ULTIMATE.start_main_~k~5 13), 85434#(<= ULTIMATE.start_main_~k~5 12), 85437#(<= ULTIMATE.start_main_~k~5 15), 85436#(<= ULTIMATE.start_main_~k~5 14), 85439#(<= ULTIMATE.start_main_~k~5 17), 85438#(<= ULTIMATE.start_main_~k~5 16), 85441#(<= ULTIMATE.start_main_~k~5 19), 85440#(<= ULTIMATE.start_main_~k~5 18), 85443#(<= ULTIMATE.start_main_~k~5 21), 85442#(<= ULTIMATE.start_main_~k~5 20), 85445#(<= ULTIMATE.start_main_~k~5 23), 85444#(<= ULTIMATE.start_main_~k~5 22), 85447#(<= ULTIMATE.start_main_~k~5 25), 85446#(<= ULTIMATE.start_main_~k~5 24), 85449#(<= ULTIMATE.start_main_~k~5 27), 85448#(<= ULTIMATE.start_main_~k~5 26), 85451#(<= ULTIMATE.start_main_~k~5 29), 85450#(<= ULTIMATE.start_main_~k~5 28), 85453#(<= ULTIMATE.start_main_~k~5 31), 85452#(<= ULTIMATE.start_main_~k~5 30), 85455#(<= ULTIMATE.start_main_~k~5 33), 85454#(<= ULTIMATE.start_main_~k~5 32), 85457#(<= ULTIMATE.start_main_~k~5 35), 85456#(<= ULTIMATE.start_main_~k~5 34), 85459#(<= ULTIMATE.start_main_~k~5 37), 85458#(<= ULTIMATE.start_main_~k~5 36), 85461#(<= ULTIMATE.start_main_~k~5 39), 85460#(<= ULTIMATE.start_main_~k~5 38), 85463#(<= ULTIMATE.start_main_~k~5 41), 85462#(<= ULTIMATE.start_main_~k~5 40), 85465#(<= ULTIMATE.start_main_~k~5 43), 85464#(<= ULTIMATE.start_main_~k~5 42), 85467#(<= ULTIMATE.start_main_~k~5 45), 85466#(<= ULTIMATE.start_main_~k~5 44), 85469#(<= ULTIMATE.start_main_~k~5 47), 85468#(<= ULTIMATE.start_main_~k~5 46), 85471#(<= ULTIMATE.start_main_~k~5 49), 85470#(<= ULTIMATE.start_main_~k~5 48), 85473#(<= ULTIMATE.start_main_~k~5 51), 85472#(<= ULTIMATE.start_main_~k~5 50), 85475#(<= ULTIMATE.start_main_~k~5 53), 85474#(<= ULTIMATE.start_main_~k~5 52), 85477#(<= ULTIMATE.start_main_~k~5 55), 85476#(<= ULTIMATE.start_main_~k~5 54), 85479#(<= ULTIMATE.start_main_~k~5 57), 85478#(<= ULTIMATE.start_main_~k~5 56), 85481#(<= ULTIMATE.start_main_~k~5 59), 85480#(<= ULTIMATE.start_main_~k~5 58), 85483#(<= ULTIMATE.start_main_~k~5 61), 85482#(<= ULTIMATE.start_main_~k~5 60), 85485#(<= ULTIMATE.start_main_~k~5 63), 85484#(<= ULTIMATE.start_main_~k~5 62), 85487#(<= ULTIMATE.start_main_~k~5 65), 85486#(<= ULTIMATE.start_main_~k~5 64), 85489#(<= ULTIMATE.start_main_~k~5 67), 85488#(<= ULTIMATE.start_main_~k~5 66), 85491#(<= ULTIMATE.start_main_~k~5 69), 85490#(<= ULTIMATE.start_main_~k~5 68), 85493#(<= ULTIMATE.start_main_~k~5 71), 85492#(<= ULTIMATE.start_main_~k~5 70), 85495#(<= ULTIMATE.start_main_~k~5 73), 85494#(<= ULTIMATE.start_main_~k~5 72), 85497#(<= ULTIMATE.start_main_~k~5 75), 85496#(<= ULTIMATE.start_main_~k~5 74), 85499#(<= ULTIMATE.start_main_~k~5 77), 85498#(<= ULTIMATE.start_main_~k~5 76), 85501#(<= ULTIMATE.start_main_~k~5 79), 85500#(<= ULTIMATE.start_main_~k~5 78), 85503#(<= ULTIMATE.start_main_~k~5 81), 85502#(<= ULTIMATE.start_main_~k~5 80)] [2018-07-23 13:42:13,169 INFO L134 CoverageAnalysis]: Checked inductivity of 16290 backedges. 0 proven. 16290 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2018-07-23 13:42:13,169 INFO L450 AbstractCegarLoop]: Interpolant automaton has 183 states [2018-07-23 13:42:13,171 INFO L132 InterpolantAutomaton]: Constructing interpolant automaton starting with 183 interpolants. [2018-07-23 13:42:13,172 INFO L133 InterpolantAutomaton]: CoverageRelationStatistics Valid=16653, Invalid=16653, Unknown=0, NotChecked=0, Total=33306 [2018-07-23 13:42:13,173 INFO L87 Difference]: Start difference. First operand 184 states and 184 transitions. Second operand 183 states. [2018-07-23 13:42:13,433 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2018-07-23 13:42:13,433 INFO L93 Difference]: Finished difference Result 187 states and 187 transitions. [2018-07-23 13:42:13,433 INFO L142 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 183 states. [2018-07-23 13:42:13,433 INFO L78 Accepts]: Start accepts. Automaton has 183 states. Word has length 183 [2018-07-23 13:42:13,433 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2018-07-23 13:42:13,433 INFO L225 Difference]: With dead ends: 187 [2018-07-23 13:42:13,434 INFO L226 Difference]: Without dead ends: 185 [2018-07-23 13:42:13,435 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 13:42:13,435 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 185 states. [2018-07-23 13:42:13,436 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 185 to 185. [2018-07-23 13:42:13,436 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 185 states. [2018-07-23 13:42:13,437 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 185 states to 185 states and 185 transitions. [2018-07-23 13:42:13,437 INFO L78 Accepts]: Start accepts. Automaton has 185 states and 185 transitions. Word has length 183 [2018-07-23 13:42:13,437 INFO L84 Accepts]: Finished accepts. word is rejected. [2018-07-23 13:42:13,437 INFO L471 AbstractCegarLoop]: Abstraction has 185 states and 185 transitions. [2018-07-23 13:42:13,437 INFO L472 AbstractCegarLoop]: Interpolant automaton has 183 states. [2018-07-23 13:42:13,437 INFO L276 IsEmpty]: Start isEmpty. Operand 185 states and 185 transitions. [2018-07-23 13:42:13,437 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 185 [2018-07-23 13:42:13,438 INFO L349 BasicCegarLoop]: Found error trace [2018-07-23 13:42:13,438 INFO L357 BasicCegarLoop]: trace histogram [181, 1, 1, 1] [2018-07-23 13:42:13,438 INFO L414 AbstractCegarLoop]: === Iteration 182 === [ULTIMATE.startErr0AssertViolationASSERT]=== [2018-07-23 13:42:13,438 INFO L82 PathProgramCache]: Analyzing trace with hash 838808680, now seen corresponding path program 181 times [2018-07-23 13:42:13,438 INFO L69 tionRefinementEngine]: Using refinement strategy FixedRefinementStrategy [2018-07-23 13:42:13,505 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-07-23 13:42:14,330 INFO L134 CoverageAnalysis]: Checked inductivity of 16471 backedges. 0 proven. 16471 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2018-07-23 13:42:14,331 INFO L309 seRefinementStrategy]: Constructing automaton from 0 perfect and 1 imperfect interpolant sequences. [2018-07-23 13:42:14,331 INFO L324 seRefinementStrategy]: Number of different interpolants: perfect sequences [] imperfect sequences [183] total 183 [2018-07-23 13:42:14,331 INFO L142 lantAutomatonBuilder]: Constructing canonical interpolant automaton, with selfloop in false state [2018-07-23 13:42:14,331 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 13:42:14,332 INFO L185 omatonBuilderFactory]: Interpolants [86529#(<= ULTIMATE.start_main_~k~5 180), 86528#(<= ULTIMATE.start_main_~k~5 179), 86530#(<= ULTIMATE.start_main_~k~5 181), 86347#true, 86349#(<= ULTIMATE.start_main_~k~5 0), 86348#false, 86351#(<= ULTIMATE.start_main_~k~5 2), 86350#(<= ULTIMATE.start_main_~k~5 1), 86353#(<= ULTIMATE.start_main_~k~5 4), 86352#(<= ULTIMATE.start_main_~k~5 3), 86355#(<= ULTIMATE.start_main_~k~5 6), 86354#(<= ULTIMATE.start_main_~k~5 5), 86357#(<= ULTIMATE.start_main_~k~5 8), 86356#(<= ULTIMATE.start_main_~k~5 7), 86359#(<= ULTIMATE.start_main_~k~5 10), 86358#(<= ULTIMATE.start_main_~k~5 9), 86361#(<= ULTIMATE.start_main_~k~5 12), 86360#(<= ULTIMATE.start_main_~k~5 11), 86363#(<= ULTIMATE.start_main_~k~5 14), 86362#(<= ULTIMATE.start_main_~k~5 13), 86365#(<= ULTIMATE.start_main_~k~5 16), 86364#(<= ULTIMATE.start_main_~k~5 15), 86367#(<= ULTIMATE.start_main_~k~5 18), 86366#(<= ULTIMATE.start_main_~k~5 17), 86369#(<= ULTIMATE.start_main_~k~5 20), 86368#(<= ULTIMATE.start_main_~k~5 19), 86371#(<= ULTIMATE.start_main_~k~5 22), 86370#(<= ULTIMATE.start_main_~k~5 21), 86373#(<= ULTIMATE.start_main_~k~5 24), 86372#(<= ULTIMATE.start_main_~k~5 23), 86375#(<= ULTIMATE.start_main_~k~5 26), 86374#(<= ULTIMATE.start_main_~k~5 25), 86377#(<= ULTIMATE.start_main_~k~5 28), 86376#(<= ULTIMATE.start_main_~k~5 27), 86379#(<= ULTIMATE.start_main_~k~5 30), 86378#(<= ULTIMATE.start_main_~k~5 29), 86381#(<= ULTIMATE.start_main_~k~5 32), 86380#(<= ULTIMATE.start_main_~k~5 31), 86383#(<= ULTIMATE.start_main_~k~5 34), 86382#(<= ULTIMATE.start_main_~k~5 33), 86385#(<= ULTIMATE.start_main_~k~5 36), 86384#(<= ULTIMATE.start_main_~k~5 35), 86387#(<= ULTIMATE.start_main_~k~5 38), 86386#(<= ULTIMATE.start_main_~k~5 37), 86389#(<= ULTIMATE.start_main_~k~5 40), 86388#(<= ULTIMATE.start_main_~k~5 39), 86391#(<= ULTIMATE.start_main_~k~5 42), 86390#(<= ULTIMATE.start_main_~k~5 41), 86393#(<= ULTIMATE.start_main_~k~5 44), 86392#(<= ULTIMATE.start_main_~k~5 43), 86395#(<= ULTIMATE.start_main_~k~5 46), 86394#(<= ULTIMATE.start_main_~k~5 45), 86397#(<= ULTIMATE.start_main_~k~5 48), 86396#(<= ULTIMATE.start_main_~k~5 47), 86399#(<= ULTIMATE.start_main_~k~5 50), 86398#(<= ULTIMATE.start_main_~k~5 49), 86401#(<= ULTIMATE.start_main_~k~5 52), 86400#(<= ULTIMATE.start_main_~k~5 51), 86403#(<= ULTIMATE.start_main_~k~5 54), 86402#(<= ULTIMATE.start_main_~k~5 53), 86405#(<= ULTIMATE.start_main_~k~5 56), 86404#(<= ULTIMATE.start_main_~k~5 55), 86407#(<= ULTIMATE.start_main_~k~5 58), 86406#(<= ULTIMATE.start_main_~k~5 57), 86409#(<= ULTIMATE.start_main_~k~5 60), 86408#(<= ULTIMATE.start_main_~k~5 59), 86411#(<= ULTIMATE.start_main_~k~5 62), 86410#(<= ULTIMATE.start_main_~k~5 61), 86413#(<= ULTIMATE.start_main_~k~5 64), 86412#(<= ULTIMATE.start_main_~k~5 63), 86415#(<= ULTIMATE.start_main_~k~5 66), 86414#(<= ULTIMATE.start_main_~k~5 65), 86417#(<= ULTIMATE.start_main_~k~5 68), 86416#(<= ULTIMATE.start_main_~k~5 67), 86419#(<= ULTIMATE.start_main_~k~5 70), 86418#(<= ULTIMATE.start_main_~k~5 69), 86421#(<= ULTIMATE.start_main_~k~5 72), 86420#(<= ULTIMATE.start_main_~k~5 71), 86423#(<= ULTIMATE.start_main_~k~5 74), 86422#(<= ULTIMATE.start_main_~k~5 73), 86425#(<= ULTIMATE.start_main_~k~5 76), 86424#(<= ULTIMATE.start_main_~k~5 75), 86427#(<= ULTIMATE.start_main_~k~5 78), 86426#(<= ULTIMATE.start_main_~k~5 77), 86429#(<= ULTIMATE.start_main_~k~5 80), 86428#(<= ULTIMATE.start_main_~k~5 79), 86431#(<= ULTIMATE.start_main_~k~5 82), 86430#(<= ULTIMATE.start_main_~k~5 81), 86433#(<= ULTIMATE.start_main_~k~5 84), 86432#(<= ULTIMATE.start_main_~k~5 83), 86435#(<= ULTIMATE.start_main_~k~5 86), 86434#(<= ULTIMATE.start_main_~k~5 85), 86437#(<= ULTIMATE.start_main_~k~5 88), 86436#(<= ULTIMATE.start_main_~k~5 87), 86439#(<= ULTIMATE.start_main_~k~5 90), 86438#(<= ULTIMATE.start_main_~k~5 89), 86441#(<= ULTIMATE.start_main_~k~5 92), 86440#(<= ULTIMATE.start_main_~k~5 91), 86443#(<= ULTIMATE.start_main_~k~5 94), 86442#(<= ULTIMATE.start_main_~k~5 93), 86445#(<= ULTIMATE.start_main_~k~5 96), 86444#(<= ULTIMATE.start_main_~k~5 95), 86447#(<= ULTIMATE.start_main_~k~5 98), 86446#(<= ULTIMATE.start_main_~k~5 97), 86449#(<= ULTIMATE.start_main_~k~5 100), 86448#(<= ULTIMATE.start_main_~k~5 99), 86451#(<= ULTIMATE.start_main_~k~5 102), 86450#(<= ULTIMATE.start_main_~k~5 101), 86453#(<= ULTIMATE.start_main_~k~5 104), 86452#(<= ULTIMATE.start_main_~k~5 103), 86455#(<= ULTIMATE.start_main_~k~5 106), 86454#(<= ULTIMATE.start_main_~k~5 105), 86457#(<= ULTIMATE.start_main_~k~5 108), 86456#(<= ULTIMATE.start_main_~k~5 107), 86459#(<= ULTIMATE.start_main_~k~5 110), 86458#(<= ULTIMATE.start_main_~k~5 109), 86461#(<= ULTIMATE.start_main_~k~5 112), 86460#(<= ULTIMATE.start_main_~k~5 111), 86463#(<= ULTIMATE.start_main_~k~5 114), 86462#(<= ULTIMATE.start_main_~k~5 113), 86465#(<= ULTIMATE.start_main_~k~5 116), 86464#(<= ULTIMATE.start_main_~k~5 115), 86467#(<= ULTIMATE.start_main_~k~5 118), 86466#(<= ULTIMATE.start_main_~k~5 117), 86469#(<= ULTIMATE.start_main_~k~5 120), 86468#(<= ULTIMATE.start_main_~k~5 119), 86471#(<= ULTIMATE.start_main_~k~5 122), 86470#(<= ULTIMATE.start_main_~k~5 121), 86473#(<= ULTIMATE.start_main_~k~5 124), 86472#(<= ULTIMATE.start_main_~k~5 123), 86475#(<= ULTIMATE.start_main_~k~5 126), 86474#(<= ULTIMATE.start_main_~k~5 125), 86477#(<= ULTIMATE.start_main_~k~5 128), 86476#(<= ULTIMATE.start_main_~k~5 127), 86479#(<= ULTIMATE.start_main_~k~5 130), 86478#(<= ULTIMATE.start_main_~k~5 129), 86481#(<= ULTIMATE.start_main_~k~5 132), 86480#(<= ULTIMATE.start_main_~k~5 131), 86483#(<= ULTIMATE.start_main_~k~5 134), 86482#(<= ULTIMATE.start_main_~k~5 133), 86485#(<= ULTIMATE.start_main_~k~5 136), 86484#(<= ULTIMATE.start_main_~k~5 135), 86487#(<= ULTIMATE.start_main_~k~5 138), 86486#(<= ULTIMATE.start_main_~k~5 137), 86489#(<= ULTIMATE.start_main_~k~5 140), 86488#(<= ULTIMATE.start_main_~k~5 139), 86491#(<= ULTIMATE.start_main_~k~5 142), 86490#(<= ULTIMATE.start_main_~k~5 141), 86493#(<= ULTIMATE.start_main_~k~5 144), 86492#(<= ULTIMATE.start_main_~k~5 143), 86495#(<= ULTIMATE.start_main_~k~5 146), 86494#(<= ULTIMATE.start_main_~k~5 145), 86497#(<= ULTIMATE.start_main_~k~5 148), 86496#(<= ULTIMATE.start_main_~k~5 147), 86499#(<= ULTIMATE.start_main_~k~5 150), 86498#(<= ULTIMATE.start_main_~k~5 149), 86501#(<= ULTIMATE.start_main_~k~5 152), 86500#(<= ULTIMATE.start_main_~k~5 151), 86503#(<= ULTIMATE.start_main_~k~5 154), 86502#(<= ULTIMATE.start_main_~k~5 153), 86505#(<= ULTIMATE.start_main_~k~5 156), 86504#(<= ULTIMATE.start_main_~k~5 155), 86507#(<= ULTIMATE.start_main_~k~5 158), 86506#(<= ULTIMATE.start_main_~k~5 157), 86509#(<= ULTIMATE.start_main_~k~5 160), 86508#(<= ULTIMATE.start_main_~k~5 159), 86511#(<= ULTIMATE.start_main_~k~5 162), 86510#(<= ULTIMATE.start_main_~k~5 161), 86513#(<= ULTIMATE.start_main_~k~5 164), 86512#(<= ULTIMATE.start_main_~k~5 163), 86515#(<= ULTIMATE.start_main_~k~5 166), 86514#(<= ULTIMATE.start_main_~k~5 165), 86517#(<= ULTIMATE.start_main_~k~5 168), 86516#(<= ULTIMATE.start_main_~k~5 167), 86519#(<= ULTIMATE.start_main_~k~5 170), 86518#(<= ULTIMATE.start_main_~k~5 169), 86521#(<= ULTIMATE.start_main_~k~5 172), 86520#(<= ULTIMATE.start_main_~k~5 171), 86523#(<= ULTIMATE.start_main_~k~5 174), 86522#(<= ULTIMATE.start_main_~k~5 173), 86525#(<= ULTIMATE.start_main_~k~5 176), 86524#(<= ULTIMATE.start_main_~k~5 175), 86527#(<= ULTIMATE.start_main_~k~5 178), 86526#(<= ULTIMATE.start_main_~k~5 177)] [2018-07-23 13:42:14,333 INFO L134 CoverageAnalysis]: Checked inductivity of 16471 backedges. 0 proven. 16471 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2018-07-23 13:42:14,333 INFO L450 AbstractCegarLoop]: Interpolant automaton has 184 states [2018-07-23 13:42:14,335 INFO L132 InterpolantAutomaton]: Constructing interpolant automaton starting with 184 interpolants. [2018-07-23 13:42:14,337 INFO L133 InterpolantAutomaton]: CoverageRelationStatistics Valid=16836, Invalid=16836, Unknown=0, NotChecked=0, Total=33672 [2018-07-23 13:42:14,337 INFO L87 Difference]: Start difference. First operand 185 states and 185 transitions. Second operand 184 states. [2018-07-23 13:42:15,022 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2018-07-23 13:42:15,022 INFO L93 Difference]: Finished difference Result 188 states and 188 transitions. [2018-07-23 13:42:15,022 INFO L142 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 184 states. [2018-07-23 13:42:15,022 INFO L78 Accepts]: Start accepts. Automaton has 184 states. Word has length 184 [2018-07-23 13:42:15,022 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2018-07-23 13:42:15,023 INFO L225 Difference]: With dead ends: 188 [2018-07-23 13:42:15,023 INFO L226 Difference]: Without dead ends: 186 [2018-07-23 13:42:15,024 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 13:42:15,025 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 186 states. [2018-07-23 13:42:15,026 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 186 to 186. [2018-07-23 13:42:15,026 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 186 states. [2018-07-23 13:42:15,027 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 186 states to 186 states and 186 transitions. [2018-07-23 13:42:15,027 INFO L78 Accepts]: Start accepts. Automaton has 186 states and 186 transitions. Word has length 184 [2018-07-23 13:42:15,027 INFO L84 Accepts]: Finished accepts. word is rejected. [2018-07-23 13:42:15,027 INFO L471 AbstractCegarLoop]: Abstraction has 186 states and 186 transitions. [2018-07-23 13:42:15,027 INFO L472 AbstractCegarLoop]: Interpolant automaton has 184 states. [2018-07-23 13:42:15,027 INFO L276 IsEmpty]: Start isEmpty. Operand 186 states and 186 transitions. [2018-07-23 13:42:15,028 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 186 [2018-07-23 13:42:15,028 INFO L349 BasicCegarLoop]: Found error trace [2018-07-23 13:42:15,028 INFO L357 BasicCegarLoop]: trace histogram [182, 1, 1, 1] [2018-07-23 13:42:15,028 INFO L414 AbstractCegarLoop]: === Iteration 183 === [ULTIMATE.startErr0AssertViolationASSERT]=== [2018-07-23 13:42:15,028 INFO L82 PathProgramCache]: Analyzing trace with hash 233263329, now seen corresponding path program 182 times [2018-07-23 13:42:15,028 INFO L69 tionRefinementEngine]: Using refinement strategy FixedRefinementStrategy [2018-07-23 13:42:15,099 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-07-23 13:42:15,923 INFO L134 CoverageAnalysis]: Checked inductivity of 16653 backedges. 0 proven. 16653 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2018-07-23 13:42:15,924 INFO L309 seRefinementStrategy]: Constructing automaton from 0 perfect and 1 imperfect interpolant sequences. [2018-07-23 13:42:15,924 INFO L324 seRefinementStrategy]: Number of different interpolants: perfect sequences [] imperfect sequences [184] total 184 [2018-07-23 13:42:15,924 INFO L142 lantAutomatonBuilder]: Constructing canonical interpolant automaton, with selfloop in false state [2018-07-23 13:42:15,924 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2018-07-23 13:42:15,925 INFO L185 omatonBuilderFactory]: Interpolants [87297#(<= ULTIMATE.start_main_~k~5 16), 87296#(<= ULTIMATE.start_main_~k~5 15), 87299#(<= ULTIMATE.start_main_~k~5 18), 87298#(<= ULTIMATE.start_main_~k~5 17), 87301#(<= ULTIMATE.start_main_~k~5 20), 87300#(<= ULTIMATE.start_main_~k~5 19), 87303#(<= ULTIMATE.start_main_~k~5 22), 87302#(<= ULTIMATE.start_main_~k~5 21), 87305#(<= ULTIMATE.start_main_~k~5 24), 87304#(<= ULTIMATE.start_main_~k~5 23), 87307#(<= ULTIMATE.start_main_~k~5 26), 87306#(<= ULTIMATE.start_main_~k~5 25), 87309#(<= ULTIMATE.start_main_~k~5 28), 87308#(<= ULTIMATE.start_main_~k~5 27), 87311#(<= ULTIMATE.start_main_~k~5 30), 87310#(<= ULTIMATE.start_main_~k~5 29), 87313#(<= ULTIMATE.start_main_~k~5 32), 87312#(<= ULTIMATE.start_main_~k~5 31), 87315#(<= ULTIMATE.start_main_~k~5 34), 87314#(<= ULTIMATE.start_main_~k~5 33), 87317#(<= ULTIMATE.start_main_~k~5 36), 87316#(<= ULTIMATE.start_main_~k~5 35), 87319#(<= ULTIMATE.start_main_~k~5 38), 87318#(<= ULTIMATE.start_main_~k~5 37), 87321#(<= ULTIMATE.start_main_~k~5 40), 87320#(<= ULTIMATE.start_main_~k~5 39), 87323#(<= ULTIMATE.start_main_~k~5 42), 87322#(<= ULTIMATE.start_main_~k~5 41), 87325#(<= ULTIMATE.start_main_~k~5 44), 87324#(<= ULTIMATE.start_main_~k~5 43), 87327#(<= ULTIMATE.start_main_~k~5 46), 87326#(<= ULTIMATE.start_main_~k~5 45), 87329#(<= ULTIMATE.start_main_~k~5 48), 87328#(<= ULTIMATE.start_main_~k~5 47), 87331#(<= ULTIMATE.start_main_~k~5 50), 87330#(<= ULTIMATE.start_main_~k~5 49), 87333#(<= ULTIMATE.start_main_~k~5 52), 87332#(<= ULTIMATE.start_main_~k~5 51), 87335#(<= ULTIMATE.start_main_~k~5 54), 87334#(<= ULTIMATE.start_main_~k~5 53), 87337#(<= ULTIMATE.start_main_~k~5 56), 87336#(<= ULTIMATE.start_main_~k~5 55), 87339#(<= ULTIMATE.start_main_~k~5 58), 87338#(<= ULTIMATE.start_main_~k~5 57), 87341#(<= ULTIMATE.start_main_~k~5 60), 87340#(<= ULTIMATE.start_main_~k~5 59), 87343#(<= ULTIMATE.start_main_~k~5 62), 87342#(<= ULTIMATE.start_main_~k~5 61), 87345#(<= ULTIMATE.start_main_~k~5 64), 87344#(<= ULTIMATE.start_main_~k~5 63), 87347#(<= ULTIMATE.start_main_~k~5 66), 87346#(<= ULTIMATE.start_main_~k~5 65), 87349#(<= ULTIMATE.start_main_~k~5 68), 87348#(<= ULTIMATE.start_main_~k~5 67), 87351#(<= ULTIMATE.start_main_~k~5 70), 87350#(<= ULTIMATE.start_main_~k~5 69), 87353#(<= ULTIMATE.start_main_~k~5 72), 87352#(<= ULTIMATE.start_main_~k~5 71), 87355#(<= ULTIMATE.start_main_~k~5 74), 87354#(<= ULTIMATE.start_main_~k~5 73), 87357#(<= ULTIMATE.start_main_~k~5 76), 87356#(<= ULTIMATE.start_main_~k~5 75), 87359#(<= ULTIMATE.start_main_~k~5 78), 87358#(<= ULTIMATE.start_main_~k~5 77), 87361#(<= ULTIMATE.start_main_~k~5 80), 87360#(<= ULTIMATE.start_main_~k~5 79), 87363#(<= ULTIMATE.start_main_~k~5 82), 87362#(<= ULTIMATE.start_main_~k~5 81), 87365#(<= ULTIMATE.start_main_~k~5 84), 87364#(<= ULTIMATE.start_main_~k~5 83), 87367#(<= ULTIMATE.start_main_~k~5 86), 87366#(<= ULTIMATE.start_main_~k~5 85), 87369#(<= ULTIMATE.start_main_~k~5 88), 87368#(<= ULTIMATE.start_main_~k~5 87), 87371#(<= ULTIMATE.start_main_~k~5 90), 87370#(<= ULTIMATE.start_main_~k~5 89), 87373#(<= ULTIMATE.start_main_~k~5 92), 87372#(<= ULTIMATE.start_main_~k~5 91), 87375#(<= ULTIMATE.start_main_~k~5 94), 87374#(<= ULTIMATE.start_main_~k~5 93), 87377#(<= ULTIMATE.start_main_~k~5 96), 87376#(<= ULTIMATE.start_main_~k~5 95), 87379#(<= ULTIMATE.start_main_~k~5 98), 87378#(<= ULTIMATE.start_main_~k~5 97), 87381#(<= ULTIMATE.start_main_~k~5 100), 87380#(<= ULTIMATE.start_main_~k~5 99), 87383#(<= ULTIMATE.start_main_~k~5 102), 87382#(<= ULTIMATE.start_main_~k~5 101), 87385#(<= ULTIMATE.start_main_~k~5 104), 87384#(<= ULTIMATE.start_main_~k~5 103), 87387#(<= ULTIMATE.start_main_~k~5 106), 87386#(<= ULTIMATE.start_main_~k~5 105), 87389#(<= ULTIMATE.start_main_~k~5 108), 87388#(<= ULTIMATE.start_main_~k~5 107), 87391#(<= ULTIMATE.start_main_~k~5 110), 87390#(<= ULTIMATE.start_main_~k~5 109), 87393#(<= ULTIMATE.start_main_~k~5 112), 87392#(<= ULTIMATE.start_main_~k~5 111), 87395#(<= ULTIMATE.start_main_~k~5 114), 87394#(<= ULTIMATE.start_main_~k~5 113), 87397#(<= ULTIMATE.start_main_~k~5 116), 87396#(<= ULTIMATE.start_main_~k~5 115), 87399#(<= ULTIMATE.start_main_~k~5 118), 87398#(<= ULTIMATE.start_main_~k~5 117), 87401#(<= ULTIMATE.start_main_~k~5 120), 87400#(<= ULTIMATE.start_main_~k~5 119), 87403#(<= ULTIMATE.start_main_~k~5 122), 87402#(<= ULTIMATE.start_main_~k~5 121), 87405#(<= ULTIMATE.start_main_~k~5 124), 87404#(<= ULTIMATE.start_main_~k~5 123), 87407#(<= ULTIMATE.start_main_~k~5 126), 87406#(<= ULTIMATE.start_main_~k~5 125), 87409#(<= ULTIMATE.start_main_~k~5 128), 87408#(<= ULTIMATE.start_main_~k~5 127), 87411#(<= ULTIMATE.start_main_~k~5 130), 87410#(<= ULTIMATE.start_main_~k~5 129), 87413#(<= ULTIMATE.start_main_~k~5 132), 87412#(<= ULTIMATE.start_main_~k~5 131), 87415#(<= ULTIMATE.start_main_~k~5 134), 87414#(<= ULTIMATE.start_main_~k~5 133), 87417#(<= ULTIMATE.start_main_~k~5 136), 87416#(<= ULTIMATE.start_main_~k~5 135), 87419#(<= ULTIMATE.start_main_~k~5 138), 87418#(<= ULTIMATE.start_main_~k~5 137), 87421#(<= ULTIMATE.start_main_~k~5 140), 87420#(<= ULTIMATE.start_main_~k~5 139), 87423#(<= ULTIMATE.start_main_~k~5 142), 87422#(<= ULTIMATE.start_main_~k~5 141), 87425#(<= ULTIMATE.start_main_~k~5 144), 87424#(<= ULTIMATE.start_main_~k~5 143), 87427#(<= ULTIMATE.start_main_~k~5 146), 87426#(<= ULTIMATE.start_main_~k~5 145), 87429#(<= ULTIMATE.start_main_~k~5 148), 87428#(<= ULTIMATE.start_main_~k~5 147), 87431#(<= ULTIMATE.start_main_~k~5 150), 87430#(<= ULTIMATE.start_main_~k~5 149), 87433#(<= ULTIMATE.start_main_~k~5 152), 87432#(<= ULTIMATE.start_main_~k~5 151), 87435#(<= ULTIMATE.start_main_~k~5 154), 87434#(<= ULTIMATE.start_main_~k~5 153), 87437#(<= ULTIMATE.start_main_~k~5 156), 87436#(<= ULTIMATE.start_main_~k~5 155), 87439#(<= ULTIMATE.start_main_~k~5 158), 87438#(<= ULTIMATE.start_main_~k~5 157), 87441#(<= ULTIMATE.start_main_~k~5 160), 87440#(<= ULTIMATE.start_main_~k~5 159), 87443#(<= ULTIMATE.start_main_~k~5 162), 87442#(<= ULTIMATE.start_main_~k~5 161), 87445#(<= ULTIMATE.start_main_~k~5 164), 87444#(<= ULTIMATE.start_main_~k~5 163), 87447#(<= ULTIMATE.start_main_~k~5 166), 87446#(<= ULTIMATE.start_main_~k~5 165), 87449#(<= ULTIMATE.start_main_~k~5 168), 87448#(<= ULTIMATE.start_main_~k~5 167), 87451#(<= ULTIMATE.start_main_~k~5 170), 87450#(<= ULTIMATE.start_main_~k~5 169), 87453#(<= ULTIMATE.start_main_~k~5 172), 87452#(<= ULTIMATE.start_main_~k~5 171), 87455#(<= ULTIMATE.start_main_~k~5 174), 87454#(<= ULTIMATE.start_main_~k~5 173), 87457#(<= ULTIMATE.start_main_~k~5 176), 87456#(<= ULTIMATE.start_main_~k~5 175), 87459#(<= ULTIMATE.start_main_~k~5 178), 87458#(<= ULTIMATE.start_main_~k~5 177), 87461#(<= ULTIMATE.start_main_~k~5 180), 87460#(<= ULTIMATE.start_main_~k~5 179), 87463#(<= ULTIMATE.start_main_~k~5 182), 87462#(<= ULTIMATE.start_main_~k~5 181), 87279#true, 87281#(<= ULTIMATE.start_main_~k~5 0), 87280#false, 87283#(<= ULTIMATE.start_main_~k~5 2), 87282#(<= ULTIMATE.start_main_~k~5 1), 87285#(<= ULTIMATE.start_main_~k~5 4), 87284#(<= ULTIMATE.start_main_~k~5 3), 87287#(<= ULTIMATE.start_main_~k~5 6), 87286#(<= ULTIMATE.start_main_~k~5 5), 87289#(<= ULTIMATE.start_main_~k~5 8), 87288#(<= ULTIMATE.start_main_~k~5 7), 87291#(<= ULTIMATE.start_main_~k~5 10), 87290#(<= ULTIMATE.start_main_~k~5 9), 87293#(<= ULTIMATE.start_main_~k~5 12), 87292#(<= ULTIMATE.start_main_~k~5 11), 87295#(<= ULTIMATE.start_main_~k~5 14), 87294#(<= ULTIMATE.start_main_~k~5 13)] [2018-07-23 13:42:15,926 INFO L134 CoverageAnalysis]: Checked inductivity of 16653 backedges. 0 proven. 16653 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2018-07-23 13:42:15,926 INFO L450 AbstractCegarLoop]: Interpolant automaton has 185 states [2018-07-23 13:42:15,928 INFO L132 InterpolantAutomaton]: Constructing interpolant automaton starting with 185 interpolants. [2018-07-23 13:42:15,930 INFO L133 InterpolantAutomaton]: CoverageRelationStatistics Valid=17020, Invalid=17020, Unknown=0, NotChecked=0, Total=34040 [2018-07-23 13:42:15,930 INFO L87 Difference]: Start difference. First operand 186 states and 186 transitions. Second operand 185 states. [2018-07-23 13:42:16,643 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2018-07-23 13:42:16,643 INFO L93 Difference]: Finished difference Result 189 states and 189 transitions. [2018-07-23 13:42:16,643 INFO L142 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 185 states. [2018-07-23 13:42:16,643 INFO L78 Accepts]: Start accepts. Automaton has 185 states. Word has length 185 [2018-07-23 13:42:16,644 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2018-07-23 13:42:16,644 INFO L225 Difference]: With dead ends: 189 [2018-07-23 13:42:16,644 INFO L226 Difference]: Without dead ends: 187 [2018-07-23 13:42:16,645 INFO L575 BasicCegarLoop]: 0 DeclaredPredicates, 184 GetRequests, 1 SyntacticMatches, 0 SemanticMatches, 183 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 0 ImplicationChecksByTransitivity, 0.7s TimeCoverageRelationStatistics Valid=17020, Invalid=17020, Unknown=0, NotChecked=0, Total=34040 [2018-07-23 13:42:16,646 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 187 states. [2018-07-23 13:42:16,648 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 187 to 187. [2018-07-23 13:42:16,648 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 187 states. [2018-07-23 13:42:16,649 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 187 states to 187 states and 187 transitions. [2018-07-23 13:42:16,649 INFO L78 Accepts]: Start accepts. Automaton has 187 states and 187 transitions. Word has length 185 [2018-07-23 13:42:16,649 INFO L84 Accepts]: Finished accepts. word is rejected. [2018-07-23 13:42:16,649 INFO L471 AbstractCegarLoop]: Abstraction has 187 states and 187 transitions. [2018-07-23 13:42:16,649 INFO L472 AbstractCegarLoop]: Interpolant automaton has 185 states. [2018-07-23 13:42:16,649 INFO L276 IsEmpty]: Start isEmpty. Operand 187 states and 187 transitions. [2018-07-23 13:42:16,650 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 187 [2018-07-23 13:42:16,650 INFO L349 BasicCegarLoop]: Found error trace [2018-07-23 13:42:16,650 INFO L357 BasicCegarLoop]: trace histogram [183, 1, 1, 1] [2018-07-23 13:42:16,650 INFO L414 AbstractCegarLoop]: === Iteration 184 === [ULTIMATE.startErr0AssertViolationASSERT]=== [2018-07-23 13:42:16,651 INFO L82 PathProgramCache]: Analyzing trace with hash -1358773368, now seen corresponding path program 183 times [2018-07-23 13:42:16,651 INFO L69 tionRefinementEngine]: Using refinement strategy FixedRefinementStrategy [2018-07-23 13:42:16,733 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-07-23 13:42:17,631 INFO L134 CoverageAnalysis]: Checked inductivity of 16836 backedges. 0 proven. 16836 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2018-07-23 13:42:17,632 INFO L309 seRefinementStrategy]: Constructing automaton from 0 perfect and 1 imperfect interpolant sequences. [2018-07-23 13:42:17,632 INFO L324 seRefinementStrategy]: Number of different interpolants: perfect sequences [] imperfect sequences [185] total 185 [2018-07-23 13:42:17,632 INFO L142 lantAutomatonBuilder]: Constructing canonical interpolant automaton, with selfloop in false state [2018-07-23 13:42:17,632 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 13:42:17,632 INFO L185 omatonBuilderFactory]: Interpolants [88321#(<= ULTIMATE.start_main_~k~5 103), 88320#(<= ULTIMATE.start_main_~k~5 102), 88323#(<= ULTIMATE.start_main_~k~5 105), 88322#(<= ULTIMATE.start_main_~k~5 104), 88325#(<= ULTIMATE.start_main_~k~5 107), 88324#(<= ULTIMATE.start_main_~k~5 106), 88327#(<= ULTIMATE.start_main_~k~5 109), 88326#(<= ULTIMATE.start_main_~k~5 108), 88329#(<= ULTIMATE.start_main_~k~5 111), 88328#(<= ULTIMATE.start_main_~k~5 110), 88331#(<= ULTIMATE.start_main_~k~5 113), 88330#(<= ULTIMATE.start_main_~k~5 112), 88333#(<= ULTIMATE.start_main_~k~5 115), 88332#(<= ULTIMATE.start_main_~k~5 114), 88335#(<= ULTIMATE.start_main_~k~5 117), 88334#(<= ULTIMATE.start_main_~k~5 116), 88337#(<= ULTIMATE.start_main_~k~5 119), 88336#(<= ULTIMATE.start_main_~k~5 118), 88339#(<= ULTIMATE.start_main_~k~5 121), 88338#(<= ULTIMATE.start_main_~k~5 120), 88341#(<= ULTIMATE.start_main_~k~5 123), 88340#(<= ULTIMATE.start_main_~k~5 122), 88343#(<= ULTIMATE.start_main_~k~5 125), 88342#(<= ULTIMATE.start_main_~k~5 124), 88345#(<= ULTIMATE.start_main_~k~5 127), 88344#(<= ULTIMATE.start_main_~k~5 126), 88347#(<= ULTIMATE.start_main_~k~5 129), 88346#(<= ULTIMATE.start_main_~k~5 128), 88349#(<= ULTIMATE.start_main_~k~5 131), 88348#(<= ULTIMATE.start_main_~k~5 130), 88351#(<= ULTIMATE.start_main_~k~5 133), 88350#(<= ULTIMATE.start_main_~k~5 132), 88353#(<= ULTIMATE.start_main_~k~5 135), 88352#(<= ULTIMATE.start_main_~k~5 134), 88355#(<= ULTIMATE.start_main_~k~5 137), 88354#(<= ULTIMATE.start_main_~k~5 136), 88357#(<= ULTIMATE.start_main_~k~5 139), 88356#(<= ULTIMATE.start_main_~k~5 138), 88359#(<= ULTIMATE.start_main_~k~5 141), 88358#(<= ULTIMATE.start_main_~k~5 140), 88361#(<= ULTIMATE.start_main_~k~5 143), 88360#(<= ULTIMATE.start_main_~k~5 142), 88363#(<= ULTIMATE.start_main_~k~5 145), 88362#(<= ULTIMATE.start_main_~k~5 144), 88365#(<= ULTIMATE.start_main_~k~5 147), 88364#(<= ULTIMATE.start_main_~k~5 146), 88367#(<= ULTIMATE.start_main_~k~5 149), 88366#(<= ULTIMATE.start_main_~k~5 148), 88369#(<= ULTIMATE.start_main_~k~5 151), 88368#(<= ULTIMATE.start_main_~k~5 150), 88371#(<= ULTIMATE.start_main_~k~5 153), 88370#(<= ULTIMATE.start_main_~k~5 152), 88373#(<= ULTIMATE.start_main_~k~5 155), 88372#(<= ULTIMATE.start_main_~k~5 154), 88375#(<= ULTIMATE.start_main_~k~5 157), 88374#(<= ULTIMATE.start_main_~k~5 156), 88377#(<= ULTIMATE.start_main_~k~5 159), 88376#(<= ULTIMATE.start_main_~k~5 158), 88379#(<= ULTIMATE.start_main_~k~5 161), 88378#(<= ULTIMATE.start_main_~k~5 160), 88381#(<= ULTIMATE.start_main_~k~5 163), 88380#(<= ULTIMATE.start_main_~k~5 162), 88383#(<= ULTIMATE.start_main_~k~5 165), 88382#(<= ULTIMATE.start_main_~k~5 164), 88385#(<= ULTIMATE.start_main_~k~5 167), 88384#(<= ULTIMATE.start_main_~k~5 166), 88387#(<= ULTIMATE.start_main_~k~5 169), 88386#(<= ULTIMATE.start_main_~k~5 168), 88389#(<= ULTIMATE.start_main_~k~5 171), 88388#(<= ULTIMATE.start_main_~k~5 170), 88391#(<= ULTIMATE.start_main_~k~5 173), 88390#(<= ULTIMATE.start_main_~k~5 172), 88393#(<= ULTIMATE.start_main_~k~5 175), 88392#(<= ULTIMATE.start_main_~k~5 174), 88395#(<= ULTIMATE.start_main_~k~5 177), 88394#(<= ULTIMATE.start_main_~k~5 176), 88397#(<= ULTIMATE.start_main_~k~5 179), 88396#(<= ULTIMATE.start_main_~k~5 178), 88399#(<= ULTIMATE.start_main_~k~5 181), 88398#(<= ULTIMATE.start_main_~k~5 180), 88401#(<= ULTIMATE.start_main_~k~5 183), 88400#(<= ULTIMATE.start_main_~k~5 182), 88217#false, 88216#true, 88219#(<= ULTIMATE.start_main_~k~5 1), 88218#(<= ULTIMATE.start_main_~k~5 0), 88221#(<= ULTIMATE.start_main_~k~5 3), 88220#(<= ULTIMATE.start_main_~k~5 2), 88223#(<= ULTIMATE.start_main_~k~5 5), 88222#(<= ULTIMATE.start_main_~k~5 4), 88225#(<= ULTIMATE.start_main_~k~5 7), 88224#(<= ULTIMATE.start_main_~k~5 6), 88227#(<= ULTIMATE.start_main_~k~5 9), 88226#(<= ULTIMATE.start_main_~k~5 8), 88229#(<= ULTIMATE.start_main_~k~5 11), 88228#(<= ULTIMATE.start_main_~k~5 10), 88231#(<= ULTIMATE.start_main_~k~5 13), 88230#(<= ULTIMATE.start_main_~k~5 12), 88233#(<= ULTIMATE.start_main_~k~5 15), 88232#(<= ULTIMATE.start_main_~k~5 14), 88235#(<= ULTIMATE.start_main_~k~5 17), 88234#(<= ULTIMATE.start_main_~k~5 16), 88237#(<= ULTIMATE.start_main_~k~5 19), 88236#(<= ULTIMATE.start_main_~k~5 18), 88239#(<= ULTIMATE.start_main_~k~5 21), 88238#(<= ULTIMATE.start_main_~k~5 20), 88241#(<= ULTIMATE.start_main_~k~5 23), 88240#(<= ULTIMATE.start_main_~k~5 22), 88243#(<= ULTIMATE.start_main_~k~5 25), 88242#(<= ULTIMATE.start_main_~k~5 24), 88245#(<= ULTIMATE.start_main_~k~5 27), 88244#(<= ULTIMATE.start_main_~k~5 26), 88247#(<= ULTIMATE.start_main_~k~5 29), 88246#(<= ULTIMATE.start_main_~k~5 28), 88249#(<= ULTIMATE.start_main_~k~5 31), 88248#(<= ULTIMATE.start_main_~k~5 30), 88251#(<= ULTIMATE.start_main_~k~5 33), 88250#(<= ULTIMATE.start_main_~k~5 32), 88253#(<= ULTIMATE.start_main_~k~5 35), 88252#(<= ULTIMATE.start_main_~k~5 34), 88255#(<= ULTIMATE.start_main_~k~5 37), 88254#(<= ULTIMATE.start_main_~k~5 36), 88257#(<= ULTIMATE.start_main_~k~5 39), 88256#(<= ULTIMATE.start_main_~k~5 38), 88259#(<= ULTIMATE.start_main_~k~5 41), 88258#(<= ULTIMATE.start_main_~k~5 40), 88261#(<= ULTIMATE.start_main_~k~5 43), 88260#(<= ULTIMATE.start_main_~k~5 42), 88263#(<= ULTIMATE.start_main_~k~5 45), 88262#(<= ULTIMATE.start_main_~k~5 44), 88265#(<= ULTIMATE.start_main_~k~5 47), 88264#(<= ULTIMATE.start_main_~k~5 46), 88267#(<= ULTIMATE.start_main_~k~5 49), 88266#(<= ULTIMATE.start_main_~k~5 48), 88269#(<= ULTIMATE.start_main_~k~5 51), 88268#(<= ULTIMATE.start_main_~k~5 50), 88271#(<= ULTIMATE.start_main_~k~5 53), 88270#(<= ULTIMATE.start_main_~k~5 52), 88273#(<= ULTIMATE.start_main_~k~5 55), 88272#(<= ULTIMATE.start_main_~k~5 54), 88275#(<= ULTIMATE.start_main_~k~5 57), 88274#(<= ULTIMATE.start_main_~k~5 56), 88277#(<= ULTIMATE.start_main_~k~5 59), 88276#(<= ULTIMATE.start_main_~k~5 58), 88279#(<= ULTIMATE.start_main_~k~5 61), 88278#(<= ULTIMATE.start_main_~k~5 60), 88281#(<= ULTIMATE.start_main_~k~5 63), 88280#(<= ULTIMATE.start_main_~k~5 62), 88283#(<= ULTIMATE.start_main_~k~5 65), 88282#(<= ULTIMATE.start_main_~k~5 64), 88285#(<= ULTIMATE.start_main_~k~5 67), 88284#(<= ULTIMATE.start_main_~k~5 66), 88287#(<= ULTIMATE.start_main_~k~5 69), 88286#(<= ULTIMATE.start_main_~k~5 68), 88289#(<= ULTIMATE.start_main_~k~5 71), 88288#(<= ULTIMATE.start_main_~k~5 70), 88291#(<= ULTIMATE.start_main_~k~5 73), 88290#(<= ULTIMATE.start_main_~k~5 72), 88293#(<= ULTIMATE.start_main_~k~5 75), 88292#(<= ULTIMATE.start_main_~k~5 74), 88295#(<= ULTIMATE.start_main_~k~5 77), 88294#(<= ULTIMATE.start_main_~k~5 76), 88297#(<= ULTIMATE.start_main_~k~5 79), 88296#(<= ULTIMATE.start_main_~k~5 78), 88299#(<= ULTIMATE.start_main_~k~5 81), 88298#(<= ULTIMATE.start_main_~k~5 80), 88301#(<= ULTIMATE.start_main_~k~5 83), 88300#(<= ULTIMATE.start_main_~k~5 82), 88303#(<= ULTIMATE.start_main_~k~5 85), 88302#(<= ULTIMATE.start_main_~k~5 84), 88305#(<= ULTIMATE.start_main_~k~5 87), 88304#(<= ULTIMATE.start_main_~k~5 86), 88307#(<= ULTIMATE.start_main_~k~5 89), 88306#(<= ULTIMATE.start_main_~k~5 88), 88309#(<= ULTIMATE.start_main_~k~5 91), 88308#(<= ULTIMATE.start_main_~k~5 90), 88311#(<= ULTIMATE.start_main_~k~5 93), 88310#(<= ULTIMATE.start_main_~k~5 92), 88313#(<= ULTIMATE.start_main_~k~5 95), 88312#(<= ULTIMATE.start_main_~k~5 94), 88315#(<= ULTIMATE.start_main_~k~5 97), 88314#(<= ULTIMATE.start_main_~k~5 96), 88317#(<= ULTIMATE.start_main_~k~5 99), 88316#(<= ULTIMATE.start_main_~k~5 98), 88319#(<= ULTIMATE.start_main_~k~5 101), 88318#(<= ULTIMATE.start_main_~k~5 100)] [2018-07-23 13:42:17,633 INFO L134 CoverageAnalysis]: Checked inductivity of 16836 backedges. 0 proven. 16836 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2018-07-23 13:42:17,633 INFO L450 AbstractCegarLoop]: Interpolant automaton has 186 states [2018-07-23 13:42:17,635 INFO L132 InterpolantAutomaton]: Constructing interpolant automaton starting with 186 interpolants. [2018-07-23 13:42:17,635 INFO L133 InterpolantAutomaton]: CoverageRelationStatistics Valid=17205, Invalid=17205, Unknown=0, NotChecked=0, Total=34410 [2018-07-23 13:42:17,635 INFO L87 Difference]: Start difference. First operand 187 states and 187 transitions. Second operand 186 states. [2018-07-23 13:42:17,848 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2018-07-23 13:42:17,849 INFO L93 Difference]: Finished difference Result 190 states and 190 transitions. [2018-07-23 13:42:17,849 INFO L142 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 186 states. [2018-07-23 13:42:17,849 INFO L78 Accepts]: Start accepts. Automaton has 186 states. Word has length 186 [2018-07-23 13:42:17,849 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2018-07-23 13:42:17,849 INFO L225 Difference]: With dead ends: 190 [2018-07-23 13:42:17,849 INFO L226 Difference]: Without dead ends: 188 [2018-07-23 13:42:17,850 INFO L575 BasicCegarLoop]: 0 DeclaredPredicates, 185 GetRequests, 1 SyntacticMatches, 0 SemanticMatches, 184 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 0 ImplicationChecksByTransitivity, 0.8s TimeCoverageRelationStatistics Valid=17205, Invalid=17205, Unknown=0, NotChecked=0, Total=34410 [2018-07-23 13:42:17,851 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 188 states. [2018-07-23 13:42:17,852 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 188 to 188. [2018-07-23 13:42:17,852 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 188 states. [2018-07-23 13:42:17,853 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 188 states to 188 states and 188 transitions. [2018-07-23 13:42:17,853 INFO L78 Accepts]: Start accepts. Automaton has 188 states and 188 transitions. Word has length 186 [2018-07-23 13:42:17,853 INFO L84 Accepts]: Finished accepts. word is rejected. [2018-07-23 13:42:17,853 INFO L471 AbstractCegarLoop]: Abstraction has 188 states and 188 transitions. [2018-07-23 13:42:17,853 INFO L472 AbstractCegarLoop]: Interpolant automaton has 186 states. [2018-07-23 13:42:17,853 INFO L276 IsEmpty]: Start isEmpty. Operand 188 states and 188 transitions. [2018-07-23 13:42:17,853 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 188 [2018-07-23 13:42:17,854 INFO L349 BasicCegarLoop]: Found error trace [2018-07-23 13:42:17,854 INFO L357 BasicCegarLoop]: trace histogram [184, 1, 1, 1] [2018-07-23 13:42:17,854 INFO L414 AbstractCegarLoop]: === Iteration 185 === [ULTIMATE.startErr0AssertViolationASSERT]=== [2018-07-23 13:42:17,854 INFO L82 PathProgramCache]: Analyzing trace with hash 827696577, now seen corresponding path program 184 times [2018-07-23 13:42:17,854 INFO L69 tionRefinementEngine]: Using refinement strategy FixedRefinementStrategy [2018-07-23 13:42:17,927 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-07-23 13:42:18,750 INFO L134 CoverageAnalysis]: Checked inductivity of 17020 backedges. 0 proven. 17020 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2018-07-23 13:42:18,750 INFO L309 seRefinementStrategy]: Constructing automaton from 0 perfect and 1 imperfect interpolant sequences. [2018-07-23 13:42:18,750 INFO L324 seRefinementStrategy]: Number of different interpolants: perfect sequences [] imperfect sequences [186] total 186 [2018-07-23 13:42:18,750 INFO L142 lantAutomatonBuilder]: Constructing canonical interpolant automaton, with selfloop in false state [2018-07-23 13:42:18,751 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2018-07-23 13:42:18,751 INFO L185 omatonBuilderFactory]: Interpolants [89344#(<= ULTIMATE.start_main_~k~5 184), 89159#false, 89158#true, 89161#(<= ULTIMATE.start_main_~k~5 1), 89160#(<= ULTIMATE.start_main_~k~5 0), 89163#(<= ULTIMATE.start_main_~k~5 3), 89162#(<= ULTIMATE.start_main_~k~5 2), 89165#(<= ULTIMATE.start_main_~k~5 5), 89164#(<= ULTIMATE.start_main_~k~5 4), 89167#(<= ULTIMATE.start_main_~k~5 7), 89166#(<= ULTIMATE.start_main_~k~5 6), 89169#(<= ULTIMATE.start_main_~k~5 9), 89168#(<= ULTIMATE.start_main_~k~5 8), 89171#(<= ULTIMATE.start_main_~k~5 11), 89170#(<= ULTIMATE.start_main_~k~5 10), 89173#(<= ULTIMATE.start_main_~k~5 13), 89172#(<= ULTIMATE.start_main_~k~5 12), 89175#(<= ULTIMATE.start_main_~k~5 15), 89174#(<= ULTIMATE.start_main_~k~5 14), 89177#(<= ULTIMATE.start_main_~k~5 17), 89176#(<= ULTIMATE.start_main_~k~5 16), 89179#(<= ULTIMATE.start_main_~k~5 19), 89178#(<= ULTIMATE.start_main_~k~5 18), 89181#(<= ULTIMATE.start_main_~k~5 21), 89180#(<= ULTIMATE.start_main_~k~5 20), 89183#(<= ULTIMATE.start_main_~k~5 23), 89182#(<= ULTIMATE.start_main_~k~5 22), 89185#(<= ULTIMATE.start_main_~k~5 25), 89184#(<= ULTIMATE.start_main_~k~5 24), 89187#(<= ULTIMATE.start_main_~k~5 27), 89186#(<= ULTIMATE.start_main_~k~5 26), 89189#(<= ULTIMATE.start_main_~k~5 29), 89188#(<= ULTIMATE.start_main_~k~5 28), 89191#(<= ULTIMATE.start_main_~k~5 31), 89190#(<= ULTIMATE.start_main_~k~5 30), 89193#(<= ULTIMATE.start_main_~k~5 33), 89192#(<= ULTIMATE.start_main_~k~5 32), 89195#(<= ULTIMATE.start_main_~k~5 35), 89194#(<= ULTIMATE.start_main_~k~5 34), 89197#(<= ULTIMATE.start_main_~k~5 37), 89196#(<= ULTIMATE.start_main_~k~5 36), 89199#(<= ULTIMATE.start_main_~k~5 39), 89198#(<= ULTIMATE.start_main_~k~5 38), 89201#(<= ULTIMATE.start_main_~k~5 41), 89200#(<= ULTIMATE.start_main_~k~5 40), 89203#(<= ULTIMATE.start_main_~k~5 43), 89202#(<= ULTIMATE.start_main_~k~5 42), 89205#(<= ULTIMATE.start_main_~k~5 45), 89204#(<= ULTIMATE.start_main_~k~5 44), 89207#(<= ULTIMATE.start_main_~k~5 47), 89206#(<= ULTIMATE.start_main_~k~5 46), 89209#(<= ULTIMATE.start_main_~k~5 49), 89208#(<= ULTIMATE.start_main_~k~5 48), 89211#(<= ULTIMATE.start_main_~k~5 51), 89210#(<= ULTIMATE.start_main_~k~5 50), 89213#(<= ULTIMATE.start_main_~k~5 53), 89212#(<= ULTIMATE.start_main_~k~5 52), 89215#(<= ULTIMATE.start_main_~k~5 55), 89214#(<= ULTIMATE.start_main_~k~5 54), 89217#(<= ULTIMATE.start_main_~k~5 57), 89216#(<= ULTIMATE.start_main_~k~5 56), 89219#(<= ULTIMATE.start_main_~k~5 59), 89218#(<= ULTIMATE.start_main_~k~5 58), 89221#(<= ULTIMATE.start_main_~k~5 61), 89220#(<= ULTIMATE.start_main_~k~5 60), 89223#(<= ULTIMATE.start_main_~k~5 63), 89222#(<= ULTIMATE.start_main_~k~5 62), 89225#(<= ULTIMATE.start_main_~k~5 65), 89224#(<= ULTIMATE.start_main_~k~5 64), 89227#(<= ULTIMATE.start_main_~k~5 67), 89226#(<= ULTIMATE.start_main_~k~5 66), 89229#(<= ULTIMATE.start_main_~k~5 69), 89228#(<= ULTIMATE.start_main_~k~5 68), 89231#(<= ULTIMATE.start_main_~k~5 71), 89230#(<= ULTIMATE.start_main_~k~5 70), 89233#(<= ULTIMATE.start_main_~k~5 73), 89232#(<= ULTIMATE.start_main_~k~5 72), 89235#(<= ULTIMATE.start_main_~k~5 75), 89234#(<= ULTIMATE.start_main_~k~5 74), 89237#(<= ULTIMATE.start_main_~k~5 77), 89236#(<= ULTIMATE.start_main_~k~5 76), 89239#(<= ULTIMATE.start_main_~k~5 79), 89238#(<= ULTIMATE.start_main_~k~5 78), 89241#(<= ULTIMATE.start_main_~k~5 81), 89240#(<= ULTIMATE.start_main_~k~5 80), 89243#(<= ULTIMATE.start_main_~k~5 83), 89242#(<= ULTIMATE.start_main_~k~5 82), 89245#(<= ULTIMATE.start_main_~k~5 85), 89244#(<= ULTIMATE.start_main_~k~5 84), 89247#(<= ULTIMATE.start_main_~k~5 87), 89246#(<= ULTIMATE.start_main_~k~5 86), 89249#(<= ULTIMATE.start_main_~k~5 89), 89248#(<= ULTIMATE.start_main_~k~5 88), 89251#(<= ULTIMATE.start_main_~k~5 91), 89250#(<= ULTIMATE.start_main_~k~5 90), 89253#(<= ULTIMATE.start_main_~k~5 93), 89252#(<= ULTIMATE.start_main_~k~5 92), 89255#(<= ULTIMATE.start_main_~k~5 95), 89254#(<= ULTIMATE.start_main_~k~5 94), 89257#(<= ULTIMATE.start_main_~k~5 97), 89256#(<= ULTIMATE.start_main_~k~5 96), 89259#(<= ULTIMATE.start_main_~k~5 99), 89258#(<= ULTIMATE.start_main_~k~5 98), 89261#(<= ULTIMATE.start_main_~k~5 101), 89260#(<= ULTIMATE.start_main_~k~5 100), 89263#(<= ULTIMATE.start_main_~k~5 103), 89262#(<= ULTIMATE.start_main_~k~5 102), 89265#(<= ULTIMATE.start_main_~k~5 105), 89264#(<= ULTIMATE.start_main_~k~5 104), 89267#(<= ULTIMATE.start_main_~k~5 107), 89266#(<= ULTIMATE.start_main_~k~5 106), 89269#(<= ULTIMATE.start_main_~k~5 109), 89268#(<= ULTIMATE.start_main_~k~5 108), 89271#(<= ULTIMATE.start_main_~k~5 111), 89270#(<= ULTIMATE.start_main_~k~5 110), 89273#(<= ULTIMATE.start_main_~k~5 113), 89272#(<= ULTIMATE.start_main_~k~5 112), 89275#(<= ULTIMATE.start_main_~k~5 115), 89274#(<= ULTIMATE.start_main_~k~5 114), 89277#(<= ULTIMATE.start_main_~k~5 117), 89276#(<= ULTIMATE.start_main_~k~5 116), 89279#(<= ULTIMATE.start_main_~k~5 119), 89278#(<= ULTIMATE.start_main_~k~5 118), 89281#(<= ULTIMATE.start_main_~k~5 121), 89280#(<= ULTIMATE.start_main_~k~5 120), 89283#(<= ULTIMATE.start_main_~k~5 123), 89282#(<= ULTIMATE.start_main_~k~5 122), 89285#(<= ULTIMATE.start_main_~k~5 125), 89284#(<= ULTIMATE.start_main_~k~5 124), 89287#(<= ULTIMATE.start_main_~k~5 127), 89286#(<= ULTIMATE.start_main_~k~5 126), 89289#(<= ULTIMATE.start_main_~k~5 129), 89288#(<= ULTIMATE.start_main_~k~5 128), 89291#(<= ULTIMATE.start_main_~k~5 131), 89290#(<= ULTIMATE.start_main_~k~5 130), 89293#(<= ULTIMATE.start_main_~k~5 133), 89292#(<= ULTIMATE.start_main_~k~5 132), 89295#(<= ULTIMATE.start_main_~k~5 135), 89294#(<= ULTIMATE.start_main_~k~5 134), 89297#(<= ULTIMATE.start_main_~k~5 137), 89296#(<= ULTIMATE.start_main_~k~5 136), 89299#(<= ULTIMATE.start_main_~k~5 139), 89298#(<= ULTIMATE.start_main_~k~5 138), 89301#(<= ULTIMATE.start_main_~k~5 141), 89300#(<= ULTIMATE.start_main_~k~5 140), 89303#(<= ULTIMATE.start_main_~k~5 143), 89302#(<= ULTIMATE.start_main_~k~5 142), 89305#(<= ULTIMATE.start_main_~k~5 145), 89304#(<= ULTIMATE.start_main_~k~5 144), 89307#(<= ULTIMATE.start_main_~k~5 147), 89306#(<= ULTIMATE.start_main_~k~5 146), 89309#(<= ULTIMATE.start_main_~k~5 149), 89308#(<= ULTIMATE.start_main_~k~5 148), 89311#(<= ULTIMATE.start_main_~k~5 151), 89310#(<= ULTIMATE.start_main_~k~5 150), 89313#(<= ULTIMATE.start_main_~k~5 153), 89312#(<= ULTIMATE.start_main_~k~5 152), 89315#(<= ULTIMATE.start_main_~k~5 155), 89314#(<= ULTIMATE.start_main_~k~5 154), 89317#(<= ULTIMATE.start_main_~k~5 157), 89316#(<= ULTIMATE.start_main_~k~5 156), 89319#(<= ULTIMATE.start_main_~k~5 159), 89318#(<= ULTIMATE.start_main_~k~5 158), 89321#(<= ULTIMATE.start_main_~k~5 161), 89320#(<= ULTIMATE.start_main_~k~5 160), 89323#(<= ULTIMATE.start_main_~k~5 163), 89322#(<= ULTIMATE.start_main_~k~5 162), 89325#(<= ULTIMATE.start_main_~k~5 165), 89324#(<= ULTIMATE.start_main_~k~5 164), 89327#(<= ULTIMATE.start_main_~k~5 167), 89326#(<= ULTIMATE.start_main_~k~5 166), 89329#(<= ULTIMATE.start_main_~k~5 169), 89328#(<= ULTIMATE.start_main_~k~5 168), 89331#(<= ULTIMATE.start_main_~k~5 171), 89330#(<= ULTIMATE.start_main_~k~5 170), 89333#(<= ULTIMATE.start_main_~k~5 173), 89332#(<= ULTIMATE.start_main_~k~5 172), 89335#(<= ULTIMATE.start_main_~k~5 175), 89334#(<= ULTIMATE.start_main_~k~5 174), 89337#(<= ULTIMATE.start_main_~k~5 177), 89336#(<= ULTIMATE.start_main_~k~5 176), 89339#(<= ULTIMATE.start_main_~k~5 179), 89338#(<= ULTIMATE.start_main_~k~5 178), 89341#(<= ULTIMATE.start_main_~k~5 181), 89340#(<= ULTIMATE.start_main_~k~5 180), 89343#(<= ULTIMATE.start_main_~k~5 183), 89342#(<= ULTIMATE.start_main_~k~5 182)] [2018-07-23 13:42:18,752 INFO L134 CoverageAnalysis]: Checked inductivity of 17020 backedges. 0 proven. 17020 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2018-07-23 13:42:18,752 INFO L450 AbstractCegarLoop]: Interpolant automaton has 187 states [2018-07-23 13:42:18,754 INFO L132 InterpolantAutomaton]: Constructing interpolant automaton starting with 187 interpolants. [2018-07-23 13:42:18,755 INFO L133 InterpolantAutomaton]: CoverageRelationStatistics Valid=17391, Invalid=17391, Unknown=0, NotChecked=0, Total=34782 [2018-07-23 13:42:18,755 INFO L87 Difference]: Start difference. First operand 188 states and 188 transitions. Second operand 187 states. [2018-07-23 13:42:19,462 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2018-07-23 13:42:19,463 INFO L93 Difference]: Finished difference Result 191 states and 191 transitions. [2018-07-23 13:42:19,463 INFO L142 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 187 states. [2018-07-23 13:42:19,463 INFO L78 Accepts]: Start accepts. Automaton has 187 states. Word has length 187 [2018-07-23 13:42:19,463 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2018-07-23 13:42:19,464 INFO L225 Difference]: With dead ends: 191 [2018-07-23 13:42:19,464 INFO L226 Difference]: Without dead ends: 189 [2018-07-23 13:42:19,466 INFO L575 BasicCegarLoop]: 0 DeclaredPredicates, 186 GetRequests, 1 SyntacticMatches, 0 SemanticMatches, 185 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 0 ImplicationChecksByTransitivity, 0.7s TimeCoverageRelationStatistics Valid=17391, Invalid=17391, Unknown=0, NotChecked=0, Total=34782 [2018-07-23 13:42:19,466 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 189 states. [2018-07-23 13:42:19,469 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 189 to 189. [2018-07-23 13:42:19,469 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 189 states. [2018-07-23 13:42:19,470 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 189 states to 189 states and 189 transitions. [2018-07-23 13:42:19,470 INFO L78 Accepts]: Start accepts. Automaton has 189 states and 189 transitions. Word has length 187 [2018-07-23 13:42:19,470 INFO L84 Accepts]: Finished accepts. word is rejected. [2018-07-23 13:42:19,470 INFO L471 AbstractCegarLoop]: Abstraction has 189 states and 189 transitions. [2018-07-23 13:42:19,470 INFO L472 AbstractCegarLoop]: Interpolant automaton has 187 states. [2018-07-23 13:42:19,470 INFO L276 IsEmpty]: Start isEmpty. Operand 189 states and 189 transitions. [2018-07-23 13:42:19,471 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 189 [2018-07-23 13:42:19,471 INFO L349 BasicCegarLoop]: Found error trace [2018-07-23 13:42:19,471 INFO L357 BasicCegarLoop]: trace histogram [185, 1, 1, 1] [2018-07-23 13:42:19,471 INFO L414 AbstractCegarLoop]: === Iteration 186 === [ULTIMATE.startErr0AssertViolationASSERT]=== [2018-07-23 13:42:19,472 INFO L82 PathProgramCache]: Analyzing trace with hash -111211864, now seen corresponding path program 185 times [2018-07-23 13:42:19,472 INFO L69 tionRefinementEngine]: Using refinement strategy FixedRefinementStrategy [2018-07-23 13:42:19,608 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-07-23 13:42:20,487 INFO L134 CoverageAnalysis]: Checked inductivity of 17205 backedges. 0 proven. 17205 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2018-07-23 13:42:20,488 INFO L309 seRefinementStrategy]: Constructing automaton from 0 perfect and 1 imperfect interpolant sequences. [2018-07-23 13:42:20,488 INFO L324 seRefinementStrategy]: Number of different interpolants: perfect sequences [] imperfect sequences [187] total 187 [2018-07-23 13:42:20,488 INFO L142 lantAutomatonBuilder]: Constructing canonical interpolant automaton, with selfloop in false state [2018-07-23 13:42:20,488 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2018-07-23 13:42:20,488 INFO L185 omatonBuilderFactory]: Interpolants [90113#(<= ULTIMATE.start_main_~k~5 6), 90112#(<= ULTIMATE.start_main_~k~5 5), 90115#(<= ULTIMATE.start_main_~k~5 8), 90114#(<= ULTIMATE.start_main_~k~5 7), 90117#(<= ULTIMATE.start_main_~k~5 10), 90116#(<= ULTIMATE.start_main_~k~5 9), 90119#(<= ULTIMATE.start_main_~k~5 12), 90118#(<= ULTIMATE.start_main_~k~5 11), 90121#(<= ULTIMATE.start_main_~k~5 14), 90120#(<= ULTIMATE.start_main_~k~5 13), 90123#(<= ULTIMATE.start_main_~k~5 16), 90122#(<= ULTIMATE.start_main_~k~5 15), 90125#(<= ULTIMATE.start_main_~k~5 18), 90124#(<= ULTIMATE.start_main_~k~5 17), 90127#(<= ULTIMATE.start_main_~k~5 20), 90126#(<= ULTIMATE.start_main_~k~5 19), 90129#(<= ULTIMATE.start_main_~k~5 22), 90128#(<= ULTIMATE.start_main_~k~5 21), 90131#(<= ULTIMATE.start_main_~k~5 24), 90130#(<= ULTIMATE.start_main_~k~5 23), 90133#(<= ULTIMATE.start_main_~k~5 26), 90132#(<= ULTIMATE.start_main_~k~5 25), 90135#(<= ULTIMATE.start_main_~k~5 28), 90134#(<= ULTIMATE.start_main_~k~5 27), 90137#(<= ULTIMATE.start_main_~k~5 30), 90136#(<= ULTIMATE.start_main_~k~5 29), 90139#(<= ULTIMATE.start_main_~k~5 32), 90138#(<= ULTIMATE.start_main_~k~5 31), 90141#(<= ULTIMATE.start_main_~k~5 34), 90140#(<= ULTIMATE.start_main_~k~5 33), 90143#(<= ULTIMATE.start_main_~k~5 36), 90142#(<= ULTIMATE.start_main_~k~5 35), 90145#(<= ULTIMATE.start_main_~k~5 38), 90144#(<= ULTIMATE.start_main_~k~5 37), 90147#(<= ULTIMATE.start_main_~k~5 40), 90146#(<= ULTIMATE.start_main_~k~5 39), 90149#(<= ULTIMATE.start_main_~k~5 42), 90148#(<= ULTIMATE.start_main_~k~5 41), 90151#(<= ULTIMATE.start_main_~k~5 44), 90150#(<= ULTIMATE.start_main_~k~5 43), 90153#(<= ULTIMATE.start_main_~k~5 46), 90152#(<= ULTIMATE.start_main_~k~5 45), 90155#(<= ULTIMATE.start_main_~k~5 48), 90154#(<= ULTIMATE.start_main_~k~5 47), 90157#(<= ULTIMATE.start_main_~k~5 50), 90156#(<= ULTIMATE.start_main_~k~5 49), 90159#(<= ULTIMATE.start_main_~k~5 52), 90158#(<= ULTIMATE.start_main_~k~5 51), 90161#(<= ULTIMATE.start_main_~k~5 54), 90160#(<= ULTIMATE.start_main_~k~5 53), 90163#(<= ULTIMATE.start_main_~k~5 56), 90162#(<= ULTIMATE.start_main_~k~5 55), 90165#(<= ULTIMATE.start_main_~k~5 58), 90164#(<= ULTIMATE.start_main_~k~5 57), 90167#(<= ULTIMATE.start_main_~k~5 60), 90166#(<= ULTIMATE.start_main_~k~5 59), 90169#(<= ULTIMATE.start_main_~k~5 62), 90168#(<= ULTIMATE.start_main_~k~5 61), 90171#(<= ULTIMATE.start_main_~k~5 64), 90170#(<= ULTIMATE.start_main_~k~5 63), 90173#(<= ULTIMATE.start_main_~k~5 66), 90172#(<= ULTIMATE.start_main_~k~5 65), 90175#(<= ULTIMATE.start_main_~k~5 68), 90174#(<= ULTIMATE.start_main_~k~5 67), 90177#(<= ULTIMATE.start_main_~k~5 70), 90176#(<= ULTIMATE.start_main_~k~5 69), 90179#(<= ULTIMATE.start_main_~k~5 72), 90178#(<= ULTIMATE.start_main_~k~5 71), 90181#(<= ULTIMATE.start_main_~k~5 74), 90180#(<= ULTIMATE.start_main_~k~5 73), 90183#(<= ULTIMATE.start_main_~k~5 76), 90182#(<= ULTIMATE.start_main_~k~5 75), 90185#(<= ULTIMATE.start_main_~k~5 78), 90184#(<= ULTIMATE.start_main_~k~5 77), 90187#(<= ULTIMATE.start_main_~k~5 80), 90186#(<= ULTIMATE.start_main_~k~5 79), 90189#(<= ULTIMATE.start_main_~k~5 82), 90188#(<= ULTIMATE.start_main_~k~5 81), 90191#(<= ULTIMATE.start_main_~k~5 84), 90190#(<= ULTIMATE.start_main_~k~5 83), 90193#(<= ULTIMATE.start_main_~k~5 86), 90192#(<= ULTIMATE.start_main_~k~5 85), 90195#(<= ULTIMATE.start_main_~k~5 88), 90194#(<= ULTIMATE.start_main_~k~5 87), 90197#(<= ULTIMATE.start_main_~k~5 90), 90196#(<= ULTIMATE.start_main_~k~5 89), 90199#(<= ULTIMATE.start_main_~k~5 92), 90198#(<= ULTIMATE.start_main_~k~5 91), 90201#(<= ULTIMATE.start_main_~k~5 94), 90200#(<= ULTIMATE.start_main_~k~5 93), 90203#(<= ULTIMATE.start_main_~k~5 96), 90202#(<= ULTIMATE.start_main_~k~5 95), 90205#(<= ULTIMATE.start_main_~k~5 98), 90204#(<= ULTIMATE.start_main_~k~5 97), 90207#(<= ULTIMATE.start_main_~k~5 100), 90206#(<= ULTIMATE.start_main_~k~5 99), 90209#(<= ULTIMATE.start_main_~k~5 102), 90208#(<= ULTIMATE.start_main_~k~5 101), 90211#(<= ULTIMATE.start_main_~k~5 104), 90210#(<= ULTIMATE.start_main_~k~5 103), 90213#(<= ULTIMATE.start_main_~k~5 106), 90212#(<= ULTIMATE.start_main_~k~5 105), 90215#(<= ULTIMATE.start_main_~k~5 108), 90214#(<= ULTIMATE.start_main_~k~5 107), 90217#(<= ULTIMATE.start_main_~k~5 110), 90216#(<= ULTIMATE.start_main_~k~5 109), 90219#(<= ULTIMATE.start_main_~k~5 112), 90218#(<= ULTIMATE.start_main_~k~5 111), 90221#(<= ULTIMATE.start_main_~k~5 114), 90220#(<= ULTIMATE.start_main_~k~5 113), 90223#(<= ULTIMATE.start_main_~k~5 116), 90222#(<= ULTIMATE.start_main_~k~5 115), 90225#(<= ULTIMATE.start_main_~k~5 118), 90224#(<= ULTIMATE.start_main_~k~5 117), 90227#(<= ULTIMATE.start_main_~k~5 120), 90226#(<= ULTIMATE.start_main_~k~5 119), 90229#(<= ULTIMATE.start_main_~k~5 122), 90228#(<= ULTIMATE.start_main_~k~5 121), 90231#(<= ULTIMATE.start_main_~k~5 124), 90230#(<= ULTIMATE.start_main_~k~5 123), 90233#(<= ULTIMATE.start_main_~k~5 126), 90232#(<= ULTIMATE.start_main_~k~5 125), 90235#(<= ULTIMATE.start_main_~k~5 128), 90234#(<= ULTIMATE.start_main_~k~5 127), 90237#(<= ULTIMATE.start_main_~k~5 130), 90236#(<= ULTIMATE.start_main_~k~5 129), 90239#(<= ULTIMATE.start_main_~k~5 132), 90238#(<= ULTIMATE.start_main_~k~5 131), 90241#(<= ULTIMATE.start_main_~k~5 134), 90240#(<= ULTIMATE.start_main_~k~5 133), 90243#(<= ULTIMATE.start_main_~k~5 136), 90242#(<= ULTIMATE.start_main_~k~5 135), 90245#(<= ULTIMATE.start_main_~k~5 138), 90244#(<= ULTIMATE.start_main_~k~5 137), 90247#(<= ULTIMATE.start_main_~k~5 140), 90246#(<= ULTIMATE.start_main_~k~5 139), 90249#(<= ULTIMATE.start_main_~k~5 142), 90248#(<= ULTIMATE.start_main_~k~5 141), 90251#(<= ULTIMATE.start_main_~k~5 144), 90250#(<= ULTIMATE.start_main_~k~5 143), 90253#(<= ULTIMATE.start_main_~k~5 146), 90252#(<= ULTIMATE.start_main_~k~5 145), 90255#(<= ULTIMATE.start_main_~k~5 148), 90254#(<= ULTIMATE.start_main_~k~5 147), 90257#(<= ULTIMATE.start_main_~k~5 150), 90256#(<= ULTIMATE.start_main_~k~5 149), 90259#(<= ULTIMATE.start_main_~k~5 152), 90258#(<= ULTIMATE.start_main_~k~5 151), 90261#(<= ULTIMATE.start_main_~k~5 154), 90260#(<= ULTIMATE.start_main_~k~5 153), 90263#(<= ULTIMATE.start_main_~k~5 156), 90262#(<= ULTIMATE.start_main_~k~5 155), 90265#(<= ULTIMATE.start_main_~k~5 158), 90264#(<= ULTIMATE.start_main_~k~5 157), 90267#(<= ULTIMATE.start_main_~k~5 160), 90266#(<= ULTIMATE.start_main_~k~5 159), 90269#(<= ULTIMATE.start_main_~k~5 162), 90268#(<= ULTIMATE.start_main_~k~5 161), 90271#(<= ULTIMATE.start_main_~k~5 164), 90270#(<= ULTIMATE.start_main_~k~5 163), 90273#(<= ULTIMATE.start_main_~k~5 166), 90272#(<= ULTIMATE.start_main_~k~5 165), 90275#(<= ULTIMATE.start_main_~k~5 168), 90274#(<= ULTIMATE.start_main_~k~5 167), 90277#(<= ULTIMATE.start_main_~k~5 170), 90276#(<= ULTIMATE.start_main_~k~5 169), 90279#(<= ULTIMATE.start_main_~k~5 172), 90278#(<= ULTIMATE.start_main_~k~5 171), 90281#(<= ULTIMATE.start_main_~k~5 174), 90280#(<= ULTIMATE.start_main_~k~5 173), 90283#(<= ULTIMATE.start_main_~k~5 176), 90282#(<= ULTIMATE.start_main_~k~5 175), 90285#(<= ULTIMATE.start_main_~k~5 178), 90284#(<= ULTIMATE.start_main_~k~5 177), 90287#(<= ULTIMATE.start_main_~k~5 180), 90286#(<= ULTIMATE.start_main_~k~5 179), 90289#(<= ULTIMATE.start_main_~k~5 182), 90288#(<= ULTIMATE.start_main_~k~5 181), 90291#(<= ULTIMATE.start_main_~k~5 184), 90290#(<= ULTIMATE.start_main_~k~5 183), 90292#(<= ULTIMATE.start_main_~k~5 185), 90105#true, 90107#(<= ULTIMATE.start_main_~k~5 0), 90106#false, 90109#(<= ULTIMATE.start_main_~k~5 2), 90108#(<= ULTIMATE.start_main_~k~5 1), 90111#(<= ULTIMATE.start_main_~k~5 4), 90110#(<= ULTIMATE.start_main_~k~5 3)] [2018-07-23 13:42:20,489 INFO L134 CoverageAnalysis]: Checked inductivity of 17205 backedges. 0 proven. 17205 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2018-07-23 13:42:20,489 INFO L450 AbstractCegarLoop]: Interpolant automaton has 188 states [2018-07-23 13:42:20,492 INFO L132 InterpolantAutomaton]: Constructing interpolant automaton starting with 188 interpolants. [2018-07-23 13:42:20,493 INFO L133 InterpolantAutomaton]: CoverageRelationStatistics Valid=17578, Invalid=17578, Unknown=0, NotChecked=0, Total=35156 [2018-07-23 13:42:20,493 INFO L87 Difference]: Start difference. First operand 189 states and 189 transitions. Second operand 188 states. [2018-07-23 13:42:21,335 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2018-07-23 13:42:21,335 INFO L93 Difference]: Finished difference Result 192 states and 192 transitions. [2018-07-23 13:42:21,335 INFO L142 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 188 states. [2018-07-23 13:42:21,335 INFO L78 Accepts]: Start accepts. Automaton has 188 states. Word has length 188 [2018-07-23 13:42:21,335 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2018-07-23 13:42:21,336 INFO L225 Difference]: With dead ends: 192 [2018-07-23 13:42:21,336 INFO L226 Difference]: Without dead ends: 190 [2018-07-23 13:42:21,337 INFO L575 BasicCegarLoop]: 0 DeclaredPredicates, 187 GetRequests, 1 SyntacticMatches, 0 SemanticMatches, 186 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 0 ImplicationChecksByTransitivity, 0.7s TimeCoverageRelationStatistics Valid=17578, Invalid=17578, Unknown=0, NotChecked=0, Total=35156 [2018-07-23 13:42:21,338 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 190 states. [2018-07-23 13:42:21,339 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 190 to 190. [2018-07-23 13:42:21,339 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 190 states. [2018-07-23 13:42:21,340 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 190 states to 190 states and 190 transitions. [2018-07-23 13:42:21,340 INFO L78 Accepts]: Start accepts. Automaton has 190 states and 190 transitions. Word has length 188 [2018-07-23 13:42:21,340 INFO L84 Accepts]: Finished accepts. word is rejected. [2018-07-23 13:42:21,340 INFO L471 AbstractCegarLoop]: Abstraction has 190 states and 190 transitions. [2018-07-23 13:42:21,340 INFO L472 AbstractCegarLoop]: Interpolant automaton has 188 states. [2018-07-23 13:42:21,340 INFO L276 IsEmpty]: Start isEmpty. Operand 190 states and 190 transitions. [2018-07-23 13:42:21,340 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 190 [2018-07-23 13:42:21,340 INFO L349 BasicCegarLoop]: Found error trace [2018-07-23 13:42:21,340 INFO L357 BasicCegarLoop]: trace histogram [186, 1, 1, 1] [2018-07-23 13:42:21,341 INFO L414 AbstractCegarLoop]: === Iteration 187 === [ULTIMATE.startErr0AssertViolationASSERT]=== [2018-07-23 13:42:21,341 INFO L82 PathProgramCache]: Analyzing trace with hash 847397537, now seen corresponding path program 186 times [2018-07-23 13:42:21,341 INFO L69 tionRefinementEngine]: Using refinement strategy FixedRefinementStrategy [2018-07-23 13:42:21,412 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-07-23 13:42:22,326 INFO L134 CoverageAnalysis]: Checked inductivity of 17391 backedges. 0 proven. 17391 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2018-07-23 13:42:22,327 INFO L309 seRefinementStrategy]: Constructing automaton from 0 perfect and 1 imperfect interpolant sequences. [2018-07-23 13:42:22,327 INFO L324 seRefinementStrategy]: Number of different interpolants: perfect sequences [] imperfect sequences [188] total 188 [2018-07-23 13:42:22,327 INFO L142 lantAutomatonBuilder]: Constructing canonical interpolant automaton, with selfloop in false state [2018-07-23 13:42:22,327 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 13:42:22,327 INFO L185 omatonBuilderFactory]: Interpolants [91137#(<= ULTIMATE.start_main_~k~5 78), 91136#(<= ULTIMATE.start_main_~k~5 77), 91139#(<= ULTIMATE.start_main_~k~5 80), 91138#(<= ULTIMATE.start_main_~k~5 79), 91141#(<= ULTIMATE.start_main_~k~5 82), 91140#(<= ULTIMATE.start_main_~k~5 81), 91143#(<= ULTIMATE.start_main_~k~5 84), 91142#(<= ULTIMATE.start_main_~k~5 83), 91145#(<= ULTIMATE.start_main_~k~5 86), 91144#(<= ULTIMATE.start_main_~k~5 85), 91147#(<= ULTIMATE.start_main_~k~5 88), 91146#(<= ULTIMATE.start_main_~k~5 87), 91149#(<= ULTIMATE.start_main_~k~5 90), 91148#(<= ULTIMATE.start_main_~k~5 89), 91151#(<= ULTIMATE.start_main_~k~5 92), 91150#(<= ULTIMATE.start_main_~k~5 91), 91153#(<= ULTIMATE.start_main_~k~5 94), 91152#(<= ULTIMATE.start_main_~k~5 93), 91155#(<= ULTIMATE.start_main_~k~5 96), 91154#(<= ULTIMATE.start_main_~k~5 95), 91157#(<= ULTIMATE.start_main_~k~5 98), 91156#(<= ULTIMATE.start_main_~k~5 97), 91159#(<= ULTIMATE.start_main_~k~5 100), 91158#(<= ULTIMATE.start_main_~k~5 99), 91161#(<= ULTIMATE.start_main_~k~5 102), 91160#(<= ULTIMATE.start_main_~k~5 101), 91163#(<= ULTIMATE.start_main_~k~5 104), 91162#(<= ULTIMATE.start_main_~k~5 103), 91165#(<= ULTIMATE.start_main_~k~5 106), 91164#(<= ULTIMATE.start_main_~k~5 105), 91167#(<= ULTIMATE.start_main_~k~5 108), 91166#(<= ULTIMATE.start_main_~k~5 107), 91169#(<= ULTIMATE.start_main_~k~5 110), 91168#(<= ULTIMATE.start_main_~k~5 109), 91171#(<= ULTIMATE.start_main_~k~5 112), 91170#(<= ULTIMATE.start_main_~k~5 111), 91173#(<= ULTIMATE.start_main_~k~5 114), 91172#(<= ULTIMATE.start_main_~k~5 113), 91175#(<= ULTIMATE.start_main_~k~5 116), 91174#(<= ULTIMATE.start_main_~k~5 115), 91177#(<= ULTIMATE.start_main_~k~5 118), 91176#(<= ULTIMATE.start_main_~k~5 117), 91179#(<= ULTIMATE.start_main_~k~5 120), 91178#(<= ULTIMATE.start_main_~k~5 119), 91181#(<= ULTIMATE.start_main_~k~5 122), 91180#(<= ULTIMATE.start_main_~k~5 121), 91183#(<= ULTIMATE.start_main_~k~5 124), 91182#(<= ULTIMATE.start_main_~k~5 123), 91185#(<= ULTIMATE.start_main_~k~5 126), 91184#(<= ULTIMATE.start_main_~k~5 125), 91187#(<= ULTIMATE.start_main_~k~5 128), 91186#(<= ULTIMATE.start_main_~k~5 127), 91189#(<= ULTIMATE.start_main_~k~5 130), 91188#(<= ULTIMATE.start_main_~k~5 129), 91191#(<= ULTIMATE.start_main_~k~5 132), 91190#(<= ULTIMATE.start_main_~k~5 131), 91193#(<= ULTIMATE.start_main_~k~5 134), 91192#(<= ULTIMATE.start_main_~k~5 133), 91195#(<= ULTIMATE.start_main_~k~5 136), 91194#(<= ULTIMATE.start_main_~k~5 135), 91197#(<= ULTIMATE.start_main_~k~5 138), 91196#(<= ULTIMATE.start_main_~k~5 137), 91199#(<= ULTIMATE.start_main_~k~5 140), 91198#(<= ULTIMATE.start_main_~k~5 139), 91201#(<= ULTIMATE.start_main_~k~5 142), 91200#(<= ULTIMATE.start_main_~k~5 141), 91203#(<= ULTIMATE.start_main_~k~5 144), 91202#(<= ULTIMATE.start_main_~k~5 143), 91205#(<= ULTIMATE.start_main_~k~5 146), 91204#(<= ULTIMATE.start_main_~k~5 145), 91207#(<= ULTIMATE.start_main_~k~5 148), 91206#(<= ULTIMATE.start_main_~k~5 147), 91209#(<= ULTIMATE.start_main_~k~5 150), 91208#(<= ULTIMATE.start_main_~k~5 149), 91211#(<= ULTIMATE.start_main_~k~5 152), 91210#(<= ULTIMATE.start_main_~k~5 151), 91213#(<= ULTIMATE.start_main_~k~5 154), 91212#(<= ULTIMATE.start_main_~k~5 153), 91215#(<= ULTIMATE.start_main_~k~5 156), 91214#(<= ULTIMATE.start_main_~k~5 155), 91217#(<= ULTIMATE.start_main_~k~5 158), 91216#(<= ULTIMATE.start_main_~k~5 157), 91219#(<= ULTIMATE.start_main_~k~5 160), 91218#(<= ULTIMATE.start_main_~k~5 159), 91221#(<= ULTIMATE.start_main_~k~5 162), 91220#(<= ULTIMATE.start_main_~k~5 161), 91223#(<= ULTIMATE.start_main_~k~5 164), 91222#(<= ULTIMATE.start_main_~k~5 163), 91225#(<= ULTIMATE.start_main_~k~5 166), 91224#(<= ULTIMATE.start_main_~k~5 165), 91227#(<= ULTIMATE.start_main_~k~5 168), 91226#(<= ULTIMATE.start_main_~k~5 167), 91229#(<= ULTIMATE.start_main_~k~5 170), 91228#(<= ULTIMATE.start_main_~k~5 169), 91231#(<= ULTIMATE.start_main_~k~5 172), 91230#(<= ULTIMATE.start_main_~k~5 171), 91233#(<= ULTIMATE.start_main_~k~5 174), 91232#(<= ULTIMATE.start_main_~k~5 173), 91235#(<= ULTIMATE.start_main_~k~5 176), 91234#(<= ULTIMATE.start_main_~k~5 175), 91237#(<= ULTIMATE.start_main_~k~5 178), 91236#(<= ULTIMATE.start_main_~k~5 177), 91239#(<= ULTIMATE.start_main_~k~5 180), 91238#(<= ULTIMATE.start_main_~k~5 179), 91241#(<= ULTIMATE.start_main_~k~5 182), 91240#(<= ULTIMATE.start_main_~k~5 181), 91243#(<= ULTIMATE.start_main_~k~5 184), 91242#(<= ULTIMATE.start_main_~k~5 183), 91245#(<= ULTIMATE.start_main_~k~5 186), 91244#(<= ULTIMATE.start_main_~k~5 185), 91057#true, 91059#(<= ULTIMATE.start_main_~k~5 0), 91058#false, 91061#(<= ULTIMATE.start_main_~k~5 2), 91060#(<= ULTIMATE.start_main_~k~5 1), 91063#(<= ULTIMATE.start_main_~k~5 4), 91062#(<= ULTIMATE.start_main_~k~5 3), 91065#(<= ULTIMATE.start_main_~k~5 6), 91064#(<= ULTIMATE.start_main_~k~5 5), 91067#(<= ULTIMATE.start_main_~k~5 8), 91066#(<= ULTIMATE.start_main_~k~5 7), 91069#(<= ULTIMATE.start_main_~k~5 10), 91068#(<= ULTIMATE.start_main_~k~5 9), 91071#(<= ULTIMATE.start_main_~k~5 12), 91070#(<= ULTIMATE.start_main_~k~5 11), 91073#(<= ULTIMATE.start_main_~k~5 14), 91072#(<= ULTIMATE.start_main_~k~5 13), 91075#(<= ULTIMATE.start_main_~k~5 16), 91074#(<= ULTIMATE.start_main_~k~5 15), 91077#(<= ULTIMATE.start_main_~k~5 18), 91076#(<= ULTIMATE.start_main_~k~5 17), 91079#(<= ULTIMATE.start_main_~k~5 20), 91078#(<= ULTIMATE.start_main_~k~5 19), 91081#(<= ULTIMATE.start_main_~k~5 22), 91080#(<= ULTIMATE.start_main_~k~5 21), 91083#(<= ULTIMATE.start_main_~k~5 24), 91082#(<= ULTIMATE.start_main_~k~5 23), 91085#(<= ULTIMATE.start_main_~k~5 26), 91084#(<= ULTIMATE.start_main_~k~5 25), 91087#(<= ULTIMATE.start_main_~k~5 28), 91086#(<= ULTIMATE.start_main_~k~5 27), 91089#(<= ULTIMATE.start_main_~k~5 30), 91088#(<= ULTIMATE.start_main_~k~5 29), 91091#(<= ULTIMATE.start_main_~k~5 32), 91090#(<= ULTIMATE.start_main_~k~5 31), 91093#(<= ULTIMATE.start_main_~k~5 34), 91092#(<= ULTIMATE.start_main_~k~5 33), 91095#(<= ULTIMATE.start_main_~k~5 36), 91094#(<= ULTIMATE.start_main_~k~5 35), 91097#(<= ULTIMATE.start_main_~k~5 38), 91096#(<= ULTIMATE.start_main_~k~5 37), 91099#(<= ULTIMATE.start_main_~k~5 40), 91098#(<= ULTIMATE.start_main_~k~5 39), 91101#(<= ULTIMATE.start_main_~k~5 42), 91100#(<= ULTIMATE.start_main_~k~5 41), 91103#(<= ULTIMATE.start_main_~k~5 44), 91102#(<= ULTIMATE.start_main_~k~5 43), 91105#(<= ULTIMATE.start_main_~k~5 46), 91104#(<= ULTIMATE.start_main_~k~5 45), 91107#(<= ULTIMATE.start_main_~k~5 48), 91106#(<= ULTIMATE.start_main_~k~5 47), 91109#(<= ULTIMATE.start_main_~k~5 50), 91108#(<= ULTIMATE.start_main_~k~5 49), 91111#(<= ULTIMATE.start_main_~k~5 52), 91110#(<= ULTIMATE.start_main_~k~5 51), 91113#(<= ULTIMATE.start_main_~k~5 54), 91112#(<= ULTIMATE.start_main_~k~5 53), 91115#(<= ULTIMATE.start_main_~k~5 56), 91114#(<= ULTIMATE.start_main_~k~5 55), 91117#(<= ULTIMATE.start_main_~k~5 58), 91116#(<= ULTIMATE.start_main_~k~5 57), 91119#(<= ULTIMATE.start_main_~k~5 60), 91118#(<= ULTIMATE.start_main_~k~5 59), 91121#(<= ULTIMATE.start_main_~k~5 62), 91120#(<= ULTIMATE.start_main_~k~5 61), 91123#(<= ULTIMATE.start_main_~k~5 64), 91122#(<= ULTIMATE.start_main_~k~5 63), 91125#(<= ULTIMATE.start_main_~k~5 66), 91124#(<= ULTIMATE.start_main_~k~5 65), 91127#(<= ULTIMATE.start_main_~k~5 68), 91126#(<= ULTIMATE.start_main_~k~5 67), 91129#(<= ULTIMATE.start_main_~k~5 70), 91128#(<= ULTIMATE.start_main_~k~5 69), 91131#(<= ULTIMATE.start_main_~k~5 72), 91130#(<= ULTIMATE.start_main_~k~5 71), 91133#(<= ULTIMATE.start_main_~k~5 74), 91132#(<= ULTIMATE.start_main_~k~5 73), 91135#(<= ULTIMATE.start_main_~k~5 76), 91134#(<= ULTIMATE.start_main_~k~5 75)] [2018-07-23 13:42:22,329 INFO L134 CoverageAnalysis]: Checked inductivity of 17391 backedges. 0 proven. 17391 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2018-07-23 13:42:22,329 INFO L450 AbstractCegarLoop]: Interpolant automaton has 189 states [2018-07-23 13:42:22,330 INFO L132 InterpolantAutomaton]: Constructing interpolant automaton starting with 189 interpolants. [2018-07-23 13:42:22,331 INFO L133 InterpolantAutomaton]: CoverageRelationStatistics Valid=17766, Invalid=17766, Unknown=0, NotChecked=0, Total=35532 [2018-07-23 13:42:22,331 INFO L87 Difference]: Start difference. First operand 190 states and 190 transitions. Second operand 189 states. [2018-07-23 13:42:22,625 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2018-07-23 13:42:22,626 INFO L93 Difference]: Finished difference Result 193 states and 193 transitions. [2018-07-23 13:42:22,626 INFO L142 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 189 states. [2018-07-23 13:42:22,626 INFO L78 Accepts]: Start accepts. Automaton has 189 states. Word has length 189 [2018-07-23 13:42:22,626 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2018-07-23 13:42:22,626 INFO L225 Difference]: With dead ends: 193 [2018-07-23 13:42:22,626 INFO L226 Difference]: Without dead ends: 191 [2018-07-23 13:42:22,627 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 13:42:22,627 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 191 states. [2018-07-23 13:42:22,629 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 191 to 191. [2018-07-23 13:42:22,629 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 191 states. [2018-07-23 13:42:22,629 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 191 states to 191 states and 191 transitions. [2018-07-23 13:42:22,629 INFO L78 Accepts]: Start accepts. Automaton has 191 states and 191 transitions. Word has length 189 [2018-07-23 13:42:22,630 INFO L84 Accepts]: Finished accepts. word is rejected. [2018-07-23 13:42:22,630 INFO L471 AbstractCegarLoop]: Abstraction has 191 states and 191 transitions. [2018-07-23 13:42:22,630 INFO L472 AbstractCegarLoop]: Interpolant automaton has 189 states. [2018-07-23 13:42:22,630 INFO L276 IsEmpty]: Start isEmpty. Operand 191 states and 191 transitions. [2018-07-23 13:42:22,630 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 191 [2018-07-23 13:42:22,630 INFO L349 BasicCegarLoop]: Found error trace [2018-07-23 13:42:22,630 INFO L357 BasicCegarLoop]: trace histogram [187, 1, 1, 1] [2018-07-23 13:42:22,630 INFO L414 AbstractCegarLoop]: === Iteration 188 === [ULTIMATE.startErr0AssertViolationASSERT]=== [2018-07-23 13:42:22,630 INFO L82 PathProgramCache]: Analyzing trace with hash 499517896, now seen corresponding path program 187 times [2018-07-23 13:42:22,631 INFO L69 tionRefinementEngine]: Using refinement strategy FixedRefinementStrategy [2018-07-23 13:42:22,703 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-07-23 13:42:23,528 INFO L134 CoverageAnalysis]: Checked inductivity of 17578 backedges. 0 proven. 17578 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2018-07-23 13:42:23,528 INFO L309 seRefinementStrategy]: Constructing automaton from 0 perfect and 1 imperfect interpolant sequences. [2018-07-23 13:42:23,528 INFO L324 seRefinementStrategy]: Number of different interpolants: perfect sequences [] imperfect sequences [189] total 189 [2018-07-23 13:42:23,528 INFO L142 lantAutomatonBuilder]: Constructing canonical interpolant automaton, with selfloop in false state [2018-07-23 13:42:23,529 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2018-07-23 13:42:23,529 INFO L185 omatonBuilderFactory]: Interpolants [92161#(<= ULTIMATE.start_main_~k~5 145), 92160#(<= ULTIMATE.start_main_~k~5 144), 92163#(<= ULTIMATE.start_main_~k~5 147), 92162#(<= ULTIMATE.start_main_~k~5 146), 92165#(<= ULTIMATE.start_main_~k~5 149), 92164#(<= ULTIMATE.start_main_~k~5 148), 92167#(<= ULTIMATE.start_main_~k~5 151), 92166#(<= ULTIMATE.start_main_~k~5 150), 92169#(<= ULTIMATE.start_main_~k~5 153), 92168#(<= ULTIMATE.start_main_~k~5 152), 92171#(<= ULTIMATE.start_main_~k~5 155), 92170#(<= ULTIMATE.start_main_~k~5 154), 92173#(<= ULTIMATE.start_main_~k~5 157), 92172#(<= ULTIMATE.start_main_~k~5 156), 92175#(<= ULTIMATE.start_main_~k~5 159), 92174#(<= ULTIMATE.start_main_~k~5 158), 92177#(<= ULTIMATE.start_main_~k~5 161), 92176#(<= ULTIMATE.start_main_~k~5 160), 92179#(<= ULTIMATE.start_main_~k~5 163), 92178#(<= ULTIMATE.start_main_~k~5 162), 92181#(<= ULTIMATE.start_main_~k~5 165), 92180#(<= ULTIMATE.start_main_~k~5 164), 92183#(<= ULTIMATE.start_main_~k~5 167), 92182#(<= ULTIMATE.start_main_~k~5 166), 92185#(<= ULTIMATE.start_main_~k~5 169), 92184#(<= ULTIMATE.start_main_~k~5 168), 92187#(<= ULTIMATE.start_main_~k~5 171), 92186#(<= ULTIMATE.start_main_~k~5 170), 92189#(<= ULTIMATE.start_main_~k~5 173), 92188#(<= ULTIMATE.start_main_~k~5 172), 92191#(<= ULTIMATE.start_main_~k~5 175), 92190#(<= ULTIMATE.start_main_~k~5 174), 92193#(<= ULTIMATE.start_main_~k~5 177), 92192#(<= ULTIMATE.start_main_~k~5 176), 92195#(<= ULTIMATE.start_main_~k~5 179), 92194#(<= ULTIMATE.start_main_~k~5 178), 92197#(<= ULTIMATE.start_main_~k~5 181), 92196#(<= ULTIMATE.start_main_~k~5 180), 92199#(<= ULTIMATE.start_main_~k~5 183), 92198#(<= ULTIMATE.start_main_~k~5 182), 92201#(<= ULTIMATE.start_main_~k~5 185), 92200#(<= ULTIMATE.start_main_~k~5 184), 92203#(<= ULTIMATE.start_main_~k~5 187), 92202#(<= ULTIMATE.start_main_~k~5 186), 92015#false, 92014#true, 92017#(<= ULTIMATE.start_main_~k~5 1), 92016#(<= ULTIMATE.start_main_~k~5 0), 92019#(<= ULTIMATE.start_main_~k~5 3), 92018#(<= ULTIMATE.start_main_~k~5 2), 92021#(<= ULTIMATE.start_main_~k~5 5), 92020#(<= ULTIMATE.start_main_~k~5 4), 92023#(<= ULTIMATE.start_main_~k~5 7), 92022#(<= ULTIMATE.start_main_~k~5 6), 92025#(<= ULTIMATE.start_main_~k~5 9), 92024#(<= ULTIMATE.start_main_~k~5 8), 92027#(<= ULTIMATE.start_main_~k~5 11), 92026#(<= ULTIMATE.start_main_~k~5 10), 92029#(<= ULTIMATE.start_main_~k~5 13), 92028#(<= ULTIMATE.start_main_~k~5 12), 92031#(<= ULTIMATE.start_main_~k~5 15), 92030#(<= ULTIMATE.start_main_~k~5 14), 92033#(<= ULTIMATE.start_main_~k~5 17), 92032#(<= ULTIMATE.start_main_~k~5 16), 92035#(<= ULTIMATE.start_main_~k~5 19), 92034#(<= ULTIMATE.start_main_~k~5 18), 92037#(<= ULTIMATE.start_main_~k~5 21), 92036#(<= ULTIMATE.start_main_~k~5 20), 92039#(<= ULTIMATE.start_main_~k~5 23), 92038#(<= ULTIMATE.start_main_~k~5 22), 92041#(<= ULTIMATE.start_main_~k~5 25), 92040#(<= ULTIMATE.start_main_~k~5 24), 92043#(<= ULTIMATE.start_main_~k~5 27), 92042#(<= ULTIMATE.start_main_~k~5 26), 92045#(<= ULTIMATE.start_main_~k~5 29), 92044#(<= ULTIMATE.start_main_~k~5 28), 92047#(<= ULTIMATE.start_main_~k~5 31), 92046#(<= ULTIMATE.start_main_~k~5 30), 92049#(<= ULTIMATE.start_main_~k~5 33), 92048#(<= ULTIMATE.start_main_~k~5 32), 92051#(<= ULTIMATE.start_main_~k~5 35), 92050#(<= ULTIMATE.start_main_~k~5 34), 92053#(<= ULTIMATE.start_main_~k~5 37), 92052#(<= ULTIMATE.start_main_~k~5 36), 92055#(<= ULTIMATE.start_main_~k~5 39), 92054#(<= ULTIMATE.start_main_~k~5 38), 92057#(<= ULTIMATE.start_main_~k~5 41), 92056#(<= ULTIMATE.start_main_~k~5 40), 92059#(<= ULTIMATE.start_main_~k~5 43), 92058#(<= ULTIMATE.start_main_~k~5 42), 92061#(<= ULTIMATE.start_main_~k~5 45), 92060#(<= ULTIMATE.start_main_~k~5 44), 92063#(<= ULTIMATE.start_main_~k~5 47), 92062#(<= ULTIMATE.start_main_~k~5 46), 92065#(<= ULTIMATE.start_main_~k~5 49), 92064#(<= ULTIMATE.start_main_~k~5 48), 92067#(<= ULTIMATE.start_main_~k~5 51), 92066#(<= ULTIMATE.start_main_~k~5 50), 92069#(<= ULTIMATE.start_main_~k~5 53), 92068#(<= ULTIMATE.start_main_~k~5 52), 92071#(<= ULTIMATE.start_main_~k~5 55), 92070#(<= ULTIMATE.start_main_~k~5 54), 92073#(<= ULTIMATE.start_main_~k~5 57), 92072#(<= ULTIMATE.start_main_~k~5 56), 92075#(<= ULTIMATE.start_main_~k~5 59), 92074#(<= ULTIMATE.start_main_~k~5 58), 92077#(<= ULTIMATE.start_main_~k~5 61), 92076#(<= ULTIMATE.start_main_~k~5 60), 92079#(<= ULTIMATE.start_main_~k~5 63), 92078#(<= ULTIMATE.start_main_~k~5 62), 92081#(<= ULTIMATE.start_main_~k~5 65), 92080#(<= ULTIMATE.start_main_~k~5 64), 92083#(<= ULTIMATE.start_main_~k~5 67), 92082#(<= ULTIMATE.start_main_~k~5 66), 92085#(<= ULTIMATE.start_main_~k~5 69), 92084#(<= ULTIMATE.start_main_~k~5 68), 92087#(<= ULTIMATE.start_main_~k~5 71), 92086#(<= ULTIMATE.start_main_~k~5 70), 92089#(<= ULTIMATE.start_main_~k~5 73), 92088#(<= ULTIMATE.start_main_~k~5 72), 92091#(<= ULTIMATE.start_main_~k~5 75), 92090#(<= ULTIMATE.start_main_~k~5 74), 92093#(<= ULTIMATE.start_main_~k~5 77), 92092#(<= ULTIMATE.start_main_~k~5 76), 92095#(<= ULTIMATE.start_main_~k~5 79), 92094#(<= ULTIMATE.start_main_~k~5 78), 92097#(<= ULTIMATE.start_main_~k~5 81), 92096#(<= ULTIMATE.start_main_~k~5 80), 92099#(<= ULTIMATE.start_main_~k~5 83), 92098#(<= ULTIMATE.start_main_~k~5 82), 92101#(<= ULTIMATE.start_main_~k~5 85), 92100#(<= ULTIMATE.start_main_~k~5 84), 92103#(<= ULTIMATE.start_main_~k~5 87), 92102#(<= ULTIMATE.start_main_~k~5 86), 92105#(<= ULTIMATE.start_main_~k~5 89), 92104#(<= ULTIMATE.start_main_~k~5 88), 92107#(<= ULTIMATE.start_main_~k~5 91), 92106#(<= ULTIMATE.start_main_~k~5 90), 92109#(<= ULTIMATE.start_main_~k~5 93), 92108#(<= ULTIMATE.start_main_~k~5 92), 92111#(<= ULTIMATE.start_main_~k~5 95), 92110#(<= ULTIMATE.start_main_~k~5 94), 92113#(<= ULTIMATE.start_main_~k~5 97), 92112#(<= ULTIMATE.start_main_~k~5 96), 92115#(<= ULTIMATE.start_main_~k~5 99), 92114#(<= ULTIMATE.start_main_~k~5 98), 92117#(<= ULTIMATE.start_main_~k~5 101), 92116#(<= ULTIMATE.start_main_~k~5 100), 92119#(<= ULTIMATE.start_main_~k~5 103), 92118#(<= ULTIMATE.start_main_~k~5 102), 92121#(<= ULTIMATE.start_main_~k~5 105), 92120#(<= ULTIMATE.start_main_~k~5 104), 92123#(<= ULTIMATE.start_main_~k~5 107), 92122#(<= ULTIMATE.start_main_~k~5 106), 92125#(<= ULTIMATE.start_main_~k~5 109), 92124#(<= ULTIMATE.start_main_~k~5 108), 92127#(<= ULTIMATE.start_main_~k~5 111), 92126#(<= ULTIMATE.start_main_~k~5 110), 92129#(<= ULTIMATE.start_main_~k~5 113), 92128#(<= ULTIMATE.start_main_~k~5 112), 92131#(<= ULTIMATE.start_main_~k~5 115), 92130#(<= ULTIMATE.start_main_~k~5 114), 92133#(<= ULTIMATE.start_main_~k~5 117), 92132#(<= ULTIMATE.start_main_~k~5 116), 92135#(<= ULTIMATE.start_main_~k~5 119), 92134#(<= ULTIMATE.start_main_~k~5 118), 92137#(<= ULTIMATE.start_main_~k~5 121), 92136#(<= ULTIMATE.start_main_~k~5 120), 92139#(<= ULTIMATE.start_main_~k~5 123), 92138#(<= ULTIMATE.start_main_~k~5 122), 92141#(<= ULTIMATE.start_main_~k~5 125), 92140#(<= ULTIMATE.start_main_~k~5 124), 92143#(<= ULTIMATE.start_main_~k~5 127), 92142#(<= ULTIMATE.start_main_~k~5 126), 92145#(<= ULTIMATE.start_main_~k~5 129), 92144#(<= ULTIMATE.start_main_~k~5 128), 92147#(<= ULTIMATE.start_main_~k~5 131), 92146#(<= ULTIMATE.start_main_~k~5 130), 92149#(<= ULTIMATE.start_main_~k~5 133), 92148#(<= ULTIMATE.start_main_~k~5 132), 92151#(<= ULTIMATE.start_main_~k~5 135), 92150#(<= ULTIMATE.start_main_~k~5 134), 92153#(<= ULTIMATE.start_main_~k~5 137), 92152#(<= ULTIMATE.start_main_~k~5 136), 92155#(<= ULTIMATE.start_main_~k~5 139), 92154#(<= ULTIMATE.start_main_~k~5 138), 92157#(<= ULTIMATE.start_main_~k~5 141), 92156#(<= ULTIMATE.start_main_~k~5 140), 92159#(<= ULTIMATE.start_main_~k~5 143), 92158#(<= ULTIMATE.start_main_~k~5 142)] [2018-07-23 13:42:23,530 INFO L134 CoverageAnalysis]: Checked inductivity of 17578 backedges. 0 proven. 17578 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2018-07-23 13:42:23,530 INFO L450 AbstractCegarLoop]: Interpolant automaton has 190 states [2018-07-23 13:42:23,533 INFO L132 InterpolantAutomaton]: Constructing interpolant automaton starting with 190 interpolants. [2018-07-23 13:42:23,534 INFO L133 InterpolantAutomaton]: CoverageRelationStatistics Valid=17955, Invalid=17955, Unknown=0, NotChecked=0, Total=35910 [2018-07-23 13:42:23,534 INFO L87 Difference]: Start difference. First operand 191 states and 191 transitions. Second operand 190 states. [2018-07-23 13:42:23,924 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2018-07-23 13:42:23,924 INFO L93 Difference]: Finished difference Result 194 states and 194 transitions. [2018-07-23 13:42:23,925 INFO L142 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 190 states. [2018-07-23 13:42:23,925 INFO L78 Accepts]: Start accepts. Automaton has 190 states. Word has length 190 [2018-07-23 13:42:23,925 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2018-07-23 13:42:23,926 INFO L225 Difference]: With dead ends: 194 [2018-07-23 13:42:23,926 INFO L226 Difference]: Without dead ends: 192 [2018-07-23 13:42:23,927 INFO L575 BasicCegarLoop]: 0 DeclaredPredicates, 189 GetRequests, 1 SyntacticMatches, 0 SemanticMatches, 188 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 0 ImplicationChecksByTransitivity, 0.7s TimeCoverageRelationStatistics Valid=17955, Invalid=17955, Unknown=0, NotChecked=0, Total=35910 [2018-07-23 13:42:23,927 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 192 states. [2018-07-23 13:42:23,929 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 192 to 192. [2018-07-23 13:42:23,929 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 192 states. [2018-07-23 13:42:23,929 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 192 states to 192 states and 192 transitions. [2018-07-23 13:42:23,930 INFO L78 Accepts]: Start accepts. Automaton has 192 states and 192 transitions. Word has length 190 [2018-07-23 13:42:23,930 INFO L84 Accepts]: Finished accepts. word is rejected. [2018-07-23 13:42:23,930 INFO L471 AbstractCegarLoop]: Abstraction has 192 states and 192 transitions. [2018-07-23 13:42:23,930 INFO L472 AbstractCegarLoop]: Interpolant automaton has 190 states. [2018-07-23 13:42:23,930 INFO L276 IsEmpty]: Start isEmpty. Operand 192 states and 192 transitions. [2018-07-23 13:42:23,930 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 192 [2018-07-23 13:42:23,930 INFO L349 BasicCegarLoop]: Found error trace [2018-07-23 13:42:23,930 INFO L357 BasicCegarLoop]: trace histogram [188, 1, 1, 1] [2018-07-23 13:42:23,930 INFO L414 AbstractCegarLoop]: === Iteration 189 === [ULTIMATE.startErr0AssertViolationASSERT]=== [2018-07-23 13:42:23,931 INFO L82 PathProgramCache]: Analyzing trace with hash -1694816383, now seen corresponding path program 188 times [2018-07-23 13:42:23,931 INFO L69 tionRefinementEngine]: Using refinement strategy FixedRefinementStrategy [2018-07-23 13:42:24,004 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-07-23 13:42:24,839 INFO L134 CoverageAnalysis]: Checked inductivity of 17766 backedges. 0 proven. 17766 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2018-07-23 13:42:24,840 INFO L309 seRefinementStrategy]: Constructing automaton from 0 perfect and 1 imperfect interpolant sequences. [2018-07-23 13:42:24,840 INFO L324 seRefinementStrategy]: Number of different interpolants: perfect sequences [] imperfect sequences [190] total 190 [2018-07-23 13:42:24,840 INFO L142 lantAutomatonBuilder]: Constructing canonical interpolant automaton, with selfloop in false state [2018-07-23 13:42:24,840 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 13:42:24,840 INFO L185 omatonBuilderFactory]: Interpolants [92977#false, 92976#true, 92979#(<= ULTIMATE.start_main_~k~5 1), 92978#(<= ULTIMATE.start_main_~k~5 0), 92981#(<= ULTIMATE.start_main_~k~5 3), 92980#(<= ULTIMATE.start_main_~k~5 2), 92983#(<= ULTIMATE.start_main_~k~5 5), 92982#(<= ULTIMATE.start_main_~k~5 4), 92985#(<= ULTIMATE.start_main_~k~5 7), 92984#(<= ULTIMATE.start_main_~k~5 6), 92987#(<= ULTIMATE.start_main_~k~5 9), 92986#(<= ULTIMATE.start_main_~k~5 8), 92989#(<= ULTIMATE.start_main_~k~5 11), 92988#(<= ULTIMATE.start_main_~k~5 10), 92991#(<= ULTIMATE.start_main_~k~5 13), 92990#(<= ULTIMATE.start_main_~k~5 12), 92993#(<= ULTIMATE.start_main_~k~5 15), 92992#(<= ULTIMATE.start_main_~k~5 14), 92995#(<= ULTIMATE.start_main_~k~5 17), 92994#(<= ULTIMATE.start_main_~k~5 16), 92997#(<= ULTIMATE.start_main_~k~5 19), 92996#(<= ULTIMATE.start_main_~k~5 18), 92999#(<= ULTIMATE.start_main_~k~5 21), 92998#(<= ULTIMATE.start_main_~k~5 20), 93001#(<= ULTIMATE.start_main_~k~5 23), 93000#(<= ULTIMATE.start_main_~k~5 22), 93003#(<= ULTIMATE.start_main_~k~5 25), 93002#(<= ULTIMATE.start_main_~k~5 24), 93005#(<= ULTIMATE.start_main_~k~5 27), 93004#(<= ULTIMATE.start_main_~k~5 26), 93007#(<= ULTIMATE.start_main_~k~5 29), 93006#(<= ULTIMATE.start_main_~k~5 28), 93009#(<= ULTIMATE.start_main_~k~5 31), 93008#(<= ULTIMATE.start_main_~k~5 30), 93011#(<= ULTIMATE.start_main_~k~5 33), 93010#(<= ULTIMATE.start_main_~k~5 32), 93013#(<= ULTIMATE.start_main_~k~5 35), 93012#(<= ULTIMATE.start_main_~k~5 34), 93015#(<= ULTIMATE.start_main_~k~5 37), 93014#(<= ULTIMATE.start_main_~k~5 36), 93017#(<= ULTIMATE.start_main_~k~5 39), 93016#(<= ULTIMATE.start_main_~k~5 38), 93019#(<= ULTIMATE.start_main_~k~5 41), 93018#(<= ULTIMATE.start_main_~k~5 40), 93021#(<= ULTIMATE.start_main_~k~5 43), 93020#(<= ULTIMATE.start_main_~k~5 42), 93023#(<= ULTIMATE.start_main_~k~5 45), 93022#(<= ULTIMATE.start_main_~k~5 44), 93025#(<= ULTIMATE.start_main_~k~5 47), 93024#(<= ULTIMATE.start_main_~k~5 46), 93027#(<= ULTIMATE.start_main_~k~5 49), 93026#(<= ULTIMATE.start_main_~k~5 48), 93029#(<= ULTIMATE.start_main_~k~5 51), 93028#(<= ULTIMATE.start_main_~k~5 50), 93031#(<= ULTIMATE.start_main_~k~5 53), 93030#(<= ULTIMATE.start_main_~k~5 52), 93033#(<= ULTIMATE.start_main_~k~5 55), 93032#(<= ULTIMATE.start_main_~k~5 54), 93035#(<= ULTIMATE.start_main_~k~5 57), 93034#(<= ULTIMATE.start_main_~k~5 56), 93037#(<= ULTIMATE.start_main_~k~5 59), 93036#(<= ULTIMATE.start_main_~k~5 58), 93039#(<= ULTIMATE.start_main_~k~5 61), 93038#(<= ULTIMATE.start_main_~k~5 60), 93041#(<= ULTIMATE.start_main_~k~5 63), 93040#(<= ULTIMATE.start_main_~k~5 62), 93043#(<= ULTIMATE.start_main_~k~5 65), 93042#(<= ULTIMATE.start_main_~k~5 64), 93045#(<= ULTIMATE.start_main_~k~5 67), 93044#(<= ULTIMATE.start_main_~k~5 66), 93047#(<= ULTIMATE.start_main_~k~5 69), 93046#(<= ULTIMATE.start_main_~k~5 68), 93049#(<= ULTIMATE.start_main_~k~5 71), 93048#(<= ULTIMATE.start_main_~k~5 70), 93051#(<= ULTIMATE.start_main_~k~5 73), 93050#(<= ULTIMATE.start_main_~k~5 72), 93053#(<= ULTIMATE.start_main_~k~5 75), 93052#(<= ULTIMATE.start_main_~k~5 74), 93055#(<= ULTIMATE.start_main_~k~5 77), 93054#(<= ULTIMATE.start_main_~k~5 76), 93057#(<= ULTIMATE.start_main_~k~5 79), 93056#(<= ULTIMATE.start_main_~k~5 78), 93059#(<= ULTIMATE.start_main_~k~5 81), 93058#(<= ULTIMATE.start_main_~k~5 80), 93061#(<= ULTIMATE.start_main_~k~5 83), 93060#(<= ULTIMATE.start_main_~k~5 82), 93063#(<= ULTIMATE.start_main_~k~5 85), 93062#(<= ULTIMATE.start_main_~k~5 84), 93065#(<= ULTIMATE.start_main_~k~5 87), 93064#(<= ULTIMATE.start_main_~k~5 86), 93067#(<= ULTIMATE.start_main_~k~5 89), 93066#(<= ULTIMATE.start_main_~k~5 88), 93069#(<= ULTIMATE.start_main_~k~5 91), 93068#(<= ULTIMATE.start_main_~k~5 90), 93071#(<= ULTIMATE.start_main_~k~5 93), 93070#(<= ULTIMATE.start_main_~k~5 92), 93073#(<= ULTIMATE.start_main_~k~5 95), 93072#(<= ULTIMATE.start_main_~k~5 94), 93075#(<= ULTIMATE.start_main_~k~5 97), 93074#(<= ULTIMATE.start_main_~k~5 96), 93077#(<= ULTIMATE.start_main_~k~5 99), 93076#(<= ULTIMATE.start_main_~k~5 98), 93079#(<= ULTIMATE.start_main_~k~5 101), 93078#(<= ULTIMATE.start_main_~k~5 100), 93081#(<= ULTIMATE.start_main_~k~5 103), 93080#(<= ULTIMATE.start_main_~k~5 102), 93083#(<= ULTIMATE.start_main_~k~5 105), 93082#(<= ULTIMATE.start_main_~k~5 104), 93085#(<= ULTIMATE.start_main_~k~5 107), 93084#(<= ULTIMATE.start_main_~k~5 106), 93087#(<= ULTIMATE.start_main_~k~5 109), 93086#(<= ULTIMATE.start_main_~k~5 108), 93089#(<= ULTIMATE.start_main_~k~5 111), 93088#(<= ULTIMATE.start_main_~k~5 110), 93091#(<= ULTIMATE.start_main_~k~5 113), 93090#(<= ULTIMATE.start_main_~k~5 112), 93093#(<= ULTIMATE.start_main_~k~5 115), 93092#(<= ULTIMATE.start_main_~k~5 114), 93095#(<= ULTIMATE.start_main_~k~5 117), 93094#(<= ULTIMATE.start_main_~k~5 116), 93097#(<= ULTIMATE.start_main_~k~5 119), 93096#(<= ULTIMATE.start_main_~k~5 118), 93099#(<= ULTIMATE.start_main_~k~5 121), 93098#(<= ULTIMATE.start_main_~k~5 120), 93101#(<= ULTIMATE.start_main_~k~5 123), 93100#(<= ULTIMATE.start_main_~k~5 122), 93103#(<= ULTIMATE.start_main_~k~5 125), 93102#(<= ULTIMATE.start_main_~k~5 124), 93105#(<= ULTIMATE.start_main_~k~5 127), 93104#(<= ULTIMATE.start_main_~k~5 126), 93107#(<= ULTIMATE.start_main_~k~5 129), 93106#(<= ULTIMATE.start_main_~k~5 128), 93109#(<= ULTIMATE.start_main_~k~5 131), 93108#(<= ULTIMATE.start_main_~k~5 130), 93111#(<= ULTIMATE.start_main_~k~5 133), 93110#(<= ULTIMATE.start_main_~k~5 132), 93113#(<= ULTIMATE.start_main_~k~5 135), 93112#(<= ULTIMATE.start_main_~k~5 134), 93115#(<= ULTIMATE.start_main_~k~5 137), 93114#(<= ULTIMATE.start_main_~k~5 136), 93117#(<= ULTIMATE.start_main_~k~5 139), 93116#(<= ULTIMATE.start_main_~k~5 138), 93119#(<= ULTIMATE.start_main_~k~5 141), 93118#(<= ULTIMATE.start_main_~k~5 140), 93121#(<= ULTIMATE.start_main_~k~5 143), 93120#(<= ULTIMATE.start_main_~k~5 142), 93123#(<= ULTIMATE.start_main_~k~5 145), 93122#(<= ULTIMATE.start_main_~k~5 144), 93125#(<= ULTIMATE.start_main_~k~5 147), 93124#(<= ULTIMATE.start_main_~k~5 146), 93127#(<= ULTIMATE.start_main_~k~5 149), 93126#(<= ULTIMATE.start_main_~k~5 148), 93129#(<= ULTIMATE.start_main_~k~5 151), 93128#(<= ULTIMATE.start_main_~k~5 150), 93131#(<= ULTIMATE.start_main_~k~5 153), 93130#(<= ULTIMATE.start_main_~k~5 152), 93133#(<= ULTIMATE.start_main_~k~5 155), 93132#(<= ULTIMATE.start_main_~k~5 154), 93135#(<= ULTIMATE.start_main_~k~5 157), 93134#(<= ULTIMATE.start_main_~k~5 156), 93137#(<= ULTIMATE.start_main_~k~5 159), 93136#(<= ULTIMATE.start_main_~k~5 158), 93139#(<= ULTIMATE.start_main_~k~5 161), 93138#(<= ULTIMATE.start_main_~k~5 160), 93141#(<= ULTIMATE.start_main_~k~5 163), 93140#(<= ULTIMATE.start_main_~k~5 162), 93143#(<= ULTIMATE.start_main_~k~5 165), 93142#(<= ULTIMATE.start_main_~k~5 164), 93145#(<= ULTIMATE.start_main_~k~5 167), 93144#(<= ULTIMATE.start_main_~k~5 166), 93147#(<= ULTIMATE.start_main_~k~5 169), 93146#(<= ULTIMATE.start_main_~k~5 168), 93149#(<= ULTIMATE.start_main_~k~5 171), 93148#(<= ULTIMATE.start_main_~k~5 170), 93151#(<= ULTIMATE.start_main_~k~5 173), 93150#(<= ULTIMATE.start_main_~k~5 172), 93153#(<= ULTIMATE.start_main_~k~5 175), 93152#(<= ULTIMATE.start_main_~k~5 174), 93155#(<= ULTIMATE.start_main_~k~5 177), 93154#(<= ULTIMATE.start_main_~k~5 176), 93157#(<= ULTIMATE.start_main_~k~5 179), 93156#(<= ULTIMATE.start_main_~k~5 178), 93159#(<= ULTIMATE.start_main_~k~5 181), 93158#(<= ULTIMATE.start_main_~k~5 180), 93161#(<= ULTIMATE.start_main_~k~5 183), 93160#(<= ULTIMATE.start_main_~k~5 182), 93163#(<= ULTIMATE.start_main_~k~5 185), 93162#(<= ULTIMATE.start_main_~k~5 184), 93165#(<= ULTIMATE.start_main_~k~5 187), 93164#(<= ULTIMATE.start_main_~k~5 186), 93166#(<= ULTIMATE.start_main_~k~5 188)] [2018-07-23 13:42:24,842 INFO L134 CoverageAnalysis]: Checked inductivity of 17766 backedges. 0 proven. 17766 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2018-07-23 13:42:24,842 INFO L450 AbstractCegarLoop]: Interpolant automaton has 191 states [2018-07-23 13:42:24,845 INFO L132 InterpolantAutomaton]: Constructing interpolant automaton starting with 191 interpolants. [2018-07-23 13:42:24,847 INFO L133 InterpolantAutomaton]: CoverageRelationStatistics Valid=18145, Invalid=18145, Unknown=0, NotChecked=0, Total=36290 [2018-07-23 13:42:24,847 INFO L87 Difference]: Start difference. First operand 192 states and 192 transitions. Second operand 191 states. [2018-07-23 13:42:25,659 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2018-07-23 13:42:25,659 INFO L93 Difference]: Finished difference Result 195 states and 195 transitions. [2018-07-23 13:42:25,660 INFO L142 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 191 states. [2018-07-23 13:42:25,660 INFO L78 Accepts]: Start accepts. Automaton has 191 states. Word has length 191 [2018-07-23 13:42:25,660 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2018-07-23 13:42:25,660 INFO L225 Difference]: With dead ends: 195 [2018-07-23 13:42:25,660 INFO L226 Difference]: Without dead ends: 193 [2018-07-23 13:42:25,662 INFO L575 BasicCegarLoop]: 0 DeclaredPredicates, 190 GetRequests, 1 SyntacticMatches, 0 SemanticMatches, 189 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 0 ImplicationChecksByTransitivity, 0.7s TimeCoverageRelationStatistics Valid=18145, Invalid=18145, Unknown=0, NotChecked=0, Total=36290 [2018-07-23 13:42:25,662 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 193 states. [2018-07-23 13:42:25,664 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 193 to 193. [2018-07-23 13:42:25,664 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 193 states. [2018-07-23 13:42:25,664 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 193 states to 193 states and 193 transitions. [2018-07-23 13:42:25,664 INFO L78 Accepts]: Start accepts. Automaton has 193 states and 193 transitions. Word has length 191 [2018-07-23 13:42:25,664 INFO L84 Accepts]: Finished accepts. word is rejected. [2018-07-23 13:42:25,664 INFO L471 AbstractCegarLoop]: Abstraction has 193 states and 193 transitions. [2018-07-23 13:42:25,665 INFO L472 AbstractCegarLoop]: Interpolant automaton has 191 states. [2018-07-23 13:42:25,665 INFO L276 IsEmpty]: Start isEmpty. Operand 193 states and 193 transitions. [2018-07-23 13:42:25,665 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 193 [2018-07-23 13:42:25,665 INFO L349 BasicCegarLoop]: Found error trace [2018-07-23 13:42:25,665 INFO L357 BasicCegarLoop]: trace histogram [189, 1, 1, 1] [2018-07-23 13:42:25,665 INFO L414 AbstractCegarLoop]: === Iteration 190 === [ULTIMATE.startErr0AssertViolationASSERT]=== [2018-07-23 13:42:25,665 INFO L82 PathProgramCache]: Analyzing trace with hash -999702296, now seen corresponding path program 189 times [2018-07-23 13:42:25,665 INFO L69 tionRefinementEngine]: Using refinement strategy FixedRefinementStrategy [2018-07-23 13:42:25,745 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-07-23 13:42:26,677 INFO L134 CoverageAnalysis]: Checked inductivity of 17955 backedges. 0 proven. 17955 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2018-07-23 13:42:26,677 INFO L309 seRefinementStrategy]: Constructing automaton from 0 perfect and 1 imperfect interpolant sequences. [2018-07-23 13:42:26,677 INFO L324 seRefinementStrategy]: Number of different interpolants: perfect sequences [] imperfect sequences [191] total 191 [2018-07-23 13:42:26,677 INFO L142 lantAutomatonBuilder]: Constructing canonical interpolant automaton, with selfloop in false state [2018-07-23 13:42:26,677 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2018-07-23 13:42:26,678 INFO L185 omatonBuilderFactory]: Interpolants [93953#(<= ULTIMATE.start_main_~k~5 8), 93952#(<= ULTIMATE.start_main_~k~5 7), 93955#(<= ULTIMATE.start_main_~k~5 10), 93954#(<= ULTIMATE.start_main_~k~5 9), 93957#(<= ULTIMATE.start_main_~k~5 12), 93956#(<= ULTIMATE.start_main_~k~5 11), 93959#(<= ULTIMATE.start_main_~k~5 14), 93958#(<= ULTIMATE.start_main_~k~5 13), 93961#(<= ULTIMATE.start_main_~k~5 16), 93960#(<= ULTIMATE.start_main_~k~5 15), 93963#(<= ULTIMATE.start_main_~k~5 18), 93962#(<= ULTIMATE.start_main_~k~5 17), 93965#(<= ULTIMATE.start_main_~k~5 20), 93964#(<= ULTIMATE.start_main_~k~5 19), 93967#(<= ULTIMATE.start_main_~k~5 22), 93966#(<= ULTIMATE.start_main_~k~5 21), 93969#(<= ULTIMATE.start_main_~k~5 24), 93968#(<= ULTIMATE.start_main_~k~5 23), 93971#(<= ULTIMATE.start_main_~k~5 26), 93970#(<= ULTIMATE.start_main_~k~5 25), 93973#(<= ULTIMATE.start_main_~k~5 28), 93972#(<= ULTIMATE.start_main_~k~5 27), 93975#(<= ULTIMATE.start_main_~k~5 30), 93974#(<= ULTIMATE.start_main_~k~5 29), 93977#(<= ULTIMATE.start_main_~k~5 32), 93976#(<= ULTIMATE.start_main_~k~5 31), 93979#(<= ULTIMATE.start_main_~k~5 34), 93978#(<= ULTIMATE.start_main_~k~5 33), 93981#(<= ULTIMATE.start_main_~k~5 36), 93980#(<= ULTIMATE.start_main_~k~5 35), 93983#(<= ULTIMATE.start_main_~k~5 38), 93982#(<= ULTIMATE.start_main_~k~5 37), 93985#(<= ULTIMATE.start_main_~k~5 40), 93984#(<= ULTIMATE.start_main_~k~5 39), 93987#(<= ULTIMATE.start_main_~k~5 42), 93986#(<= ULTIMATE.start_main_~k~5 41), 93989#(<= ULTIMATE.start_main_~k~5 44), 93988#(<= ULTIMATE.start_main_~k~5 43), 93991#(<= ULTIMATE.start_main_~k~5 46), 93990#(<= ULTIMATE.start_main_~k~5 45), 93993#(<= ULTIMATE.start_main_~k~5 48), 93992#(<= ULTIMATE.start_main_~k~5 47), 93995#(<= ULTIMATE.start_main_~k~5 50), 93994#(<= ULTIMATE.start_main_~k~5 49), 93997#(<= ULTIMATE.start_main_~k~5 52), 93996#(<= ULTIMATE.start_main_~k~5 51), 93999#(<= ULTIMATE.start_main_~k~5 54), 93998#(<= ULTIMATE.start_main_~k~5 53), 94001#(<= ULTIMATE.start_main_~k~5 56), 94000#(<= ULTIMATE.start_main_~k~5 55), 94003#(<= ULTIMATE.start_main_~k~5 58), 94002#(<= ULTIMATE.start_main_~k~5 57), 94005#(<= ULTIMATE.start_main_~k~5 60), 94004#(<= ULTIMATE.start_main_~k~5 59), 94007#(<= ULTIMATE.start_main_~k~5 62), 94006#(<= ULTIMATE.start_main_~k~5 61), 94009#(<= ULTIMATE.start_main_~k~5 64), 94008#(<= ULTIMATE.start_main_~k~5 63), 94011#(<= ULTIMATE.start_main_~k~5 66), 94010#(<= ULTIMATE.start_main_~k~5 65), 94013#(<= ULTIMATE.start_main_~k~5 68), 94012#(<= ULTIMATE.start_main_~k~5 67), 94015#(<= ULTIMATE.start_main_~k~5 70), 94014#(<= ULTIMATE.start_main_~k~5 69), 94017#(<= ULTIMATE.start_main_~k~5 72), 94016#(<= ULTIMATE.start_main_~k~5 71), 94019#(<= ULTIMATE.start_main_~k~5 74), 94018#(<= ULTIMATE.start_main_~k~5 73), 94021#(<= ULTIMATE.start_main_~k~5 76), 94020#(<= ULTIMATE.start_main_~k~5 75), 94023#(<= ULTIMATE.start_main_~k~5 78), 94022#(<= ULTIMATE.start_main_~k~5 77), 94025#(<= ULTIMATE.start_main_~k~5 80), 94024#(<= ULTIMATE.start_main_~k~5 79), 94027#(<= ULTIMATE.start_main_~k~5 82), 94026#(<= ULTIMATE.start_main_~k~5 81), 94029#(<= ULTIMATE.start_main_~k~5 84), 94028#(<= ULTIMATE.start_main_~k~5 83), 94031#(<= ULTIMATE.start_main_~k~5 86), 94030#(<= ULTIMATE.start_main_~k~5 85), 94033#(<= ULTIMATE.start_main_~k~5 88), 94032#(<= ULTIMATE.start_main_~k~5 87), 94035#(<= ULTIMATE.start_main_~k~5 90), 94034#(<= ULTIMATE.start_main_~k~5 89), 94037#(<= ULTIMATE.start_main_~k~5 92), 94036#(<= ULTIMATE.start_main_~k~5 91), 94039#(<= ULTIMATE.start_main_~k~5 94), 94038#(<= ULTIMATE.start_main_~k~5 93), 94041#(<= ULTIMATE.start_main_~k~5 96), 94040#(<= ULTIMATE.start_main_~k~5 95), 94043#(<= ULTIMATE.start_main_~k~5 98), 94042#(<= ULTIMATE.start_main_~k~5 97), 94045#(<= ULTIMATE.start_main_~k~5 100), 94044#(<= ULTIMATE.start_main_~k~5 99), 94047#(<= ULTIMATE.start_main_~k~5 102), 94046#(<= ULTIMATE.start_main_~k~5 101), 94049#(<= ULTIMATE.start_main_~k~5 104), 94048#(<= ULTIMATE.start_main_~k~5 103), 94051#(<= ULTIMATE.start_main_~k~5 106), 94050#(<= ULTIMATE.start_main_~k~5 105), 94053#(<= ULTIMATE.start_main_~k~5 108), 94052#(<= ULTIMATE.start_main_~k~5 107), 94055#(<= ULTIMATE.start_main_~k~5 110), 94054#(<= ULTIMATE.start_main_~k~5 109), 94057#(<= ULTIMATE.start_main_~k~5 112), 94056#(<= ULTIMATE.start_main_~k~5 111), 94059#(<= ULTIMATE.start_main_~k~5 114), 94058#(<= ULTIMATE.start_main_~k~5 113), 94061#(<= ULTIMATE.start_main_~k~5 116), 94060#(<= ULTIMATE.start_main_~k~5 115), 94063#(<= ULTIMATE.start_main_~k~5 118), 94062#(<= ULTIMATE.start_main_~k~5 117), 94065#(<= ULTIMATE.start_main_~k~5 120), 94064#(<= ULTIMATE.start_main_~k~5 119), 94067#(<= ULTIMATE.start_main_~k~5 122), 94066#(<= ULTIMATE.start_main_~k~5 121), 94069#(<= ULTIMATE.start_main_~k~5 124), 94068#(<= ULTIMATE.start_main_~k~5 123), 94071#(<= ULTIMATE.start_main_~k~5 126), 94070#(<= ULTIMATE.start_main_~k~5 125), 94073#(<= ULTIMATE.start_main_~k~5 128), 94072#(<= ULTIMATE.start_main_~k~5 127), 94075#(<= ULTIMATE.start_main_~k~5 130), 94074#(<= ULTIMATE.start_main_~k~5 129), 94077#(<= ULTIMATE.start_main_~k~5 132), 94076#(<= ULTIMATE.start_main_~k~5 131), 94079#(<= ULTIMATE.start_main_~k~5 134), 94078#(<= ULTIMATE.start_main_~k~5 133), 94081#(<= ULTIMATE.start_main_~k~5 136), 94080#(<= ULTIMATE.start_main_~k~5 135), 94083#(<= ULTIMATE.start_main_~k~5 138), 94082#(<= ULTIMATE.start_main_~k~5 137), 94085#(<= ULTIMATE.start_main_~k~5 140), 94084#(<= ULTIMATE.start_main_~k~5 139), 94087#(<= ULTIMATE.start_main_~k~5 142), 94086#(<= ULTIMATE.start_main_~k~5 141), 94089#(<= ULTIMATE.start_main_~k~5 144), 94088#(<= ULTIMATE.start_main_~k~5 143), 94091#(<= ULTIMATE.start_main_~k~5 146), 94090#(<= ULTIMATE.start_main_~k~5 145), 94093#(<= ULTIMATE.start_main_~k~5 148), 94092#(<= ULTIMATE.start_main_~k~5 147), 94095#(<= ULTIMATE.start_main_~k~5 150), 94094#(<= ULTIMATE.start_main_~k~5 149), 94097#(<= ULTIMATE.start_main_~k~5 152), 94096#(<= ULTIMATE.start_main_~k~5 151), 94099#(<= ULTIMATE.start_main_~k~5 154), 94098#(<= ULTIMATE.start_main_~k~5 153), 94101#(<= ULTIMATE.start_main_~k~5 156), 94100#(<= ULTIMATE.start_main_~k~5 155), 94103#(<= ULTIMATE.start_main_~k~5 158), 94102#(<= ULTIMATE.start_main_~k~5 157), 94105#(<= ULTIMATE.start_main_~k~5 160), 94104#(<= ULTIMATE.start_main_~k~5 159), 94107#(<= ULTIMATE.start_main_~k~5 162), 94106#(<= ULTIMATE.start_main_~k~5 161), 94109#(<= ULTIMATE.start_main_~k~5 164), 94108#(<= ULTIMATE.start_main_~k~5 163), 94111#(<= ULTIMATE.start_main_~k~5 166), 94110#(<= ULTIMATE.start_main_~k~5 165), 94113#(<= ULTIMATE.start_main_~k~5 168), 94112#(<= ULTIMATE.start_main_~k~5 167), 94115#(<= ULTIMATE.start_main_~k~5 170), 94114#(<= ULTIMATE.start_main_~k~5 169), 94117#(<= ULTIMATE.start_main_~k~5 172), 94116#(<= ULTIMATE.start_main_~k~5 171), 94119#(<= ULTIMATE.start_main_~k~5 174), 94118#(<= ULTIMATE.start_main_~k~5 173), 94121#(<= ULTIMATE.start_main_~k~5 176), 94120#(<= ULTIMATE.start_main_~k~5 175), 94123#(<= ULTIMATE.start_main_~k~5 178), 94122#(<= ULTIMATE.start_main_~k~5 177), 94125#(<= ULTIMATE.start_main_~k~5 180), 94124#(<= ULTIMATE.start_main_~k~5 179), 94127#(<= ULTIMATE.start_main_~k~5 182), 94126#(<= ULTIMATE.start_main_~k~5 181), 94129#(<= ULTIMATE.start_main_~k~5 184), 94128#(<= ULTIMATE.start_main_~k~5 183), 94131#(<= ULTIMATE.start_main_~k~5 186), 94130#(<= ULTIMATE.start_main_~k~5 185), 94133#(<= ULTIMATE.start_main_~k~5 188), 94132#(<= ULTIMATE.start_main_~k~5 187), 94134#(<= ULTIMATE.start_main_~k~5 189), 93943#true, 93945#(<= ULTIMATE.start_main_~k~5 0), 93944#false, 93947#(<= ULTIMATE.start_main_~k~5 2), 93946#(<= ULTIMATE.start_main_~k~5 1), 93949#(<= ULTIMATE.start_main_~k~5 4), 93948#(<= ULTIMATE.start_main_~k~5 3), 93951#(<= ULTIMATE.start_main_~k~5 6), 93950#(<= ULTIMATE.start_main_~k~5 5)] [2018-07-23 13:42:26,678 INFO L134 CoverageAnalysis]: Checked inductivity of 17955 backedges. 0 proven. 17955 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2018-07-23 13:42:26,678 INFO L450 AbstractCegarLoop]: Interpolant automaton has 192 states [2018-07-23 13:42:26,680 INFO L132 InterpolantAutomaton]: Constructing interpolant automaton starting with 192 interpolants. [2018-07-23 13:42:26,680 INFO L133 InterpolantAutomaton]: CoverageRelationStatistics Valid=18336, Invalid=18336, Unknown=0, NotChecked=0, Total=36672 [2018-07-23 13:42:26,680 INFO L87 Difference]: Start difference. First operand 193 states and 193 transitions. Second operand 192 states. [2018-07-23 13:42:27,485 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2018-07-23 13:42:27,486 INFO L93 Difference]: Finished difference Result 196 states and 196 transitions. [2018-07-23 13:42:27,486 INFO L142 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 192 states. [2018-07-23 13:42:27,486 INFO L78 Accepts]: Start accepts. Automaton has 192 states. Word has length 192 [2018-07-23 13:42:27,486 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2018-07-23 13:42:27,486 INFO L225 Difference]: With dead ends: 196 [2018-07-23 13:42:27,486 INFO L226 Difference]: Without dead ends: 194 [2018-07-23 13:42:27,487 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 13:42:27,487 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 194 states. [2018-07-23 13:42:27,490 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 194 to 194. [2018-07-23 13:42:27,490 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 194 states. [2018-07-23 13:42:27,490 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 194 states to 194 states and 194 transitions. [2018-07-23 13:42:27,491 INFO L78 Accepts]: Start accepts. Automaton has 194 states and 194 transitions. Word has length 192 [2018-07-23 13:42:27,491 INFO L84 Accepts]: Finished accepts. word is rejected. [2018-07-23 13:42:27,491 INFO L471 AbstractCegarLoop]: Abstraction has 194 states and 194 transitions. [2018-07-23 13:42:27,491 INFO L472 AbstractCegarLoop]: Interpolant automaton has 192 states. [2018-07-23 13:42:27,491 INFO L276 IsEmpty]: Start isEmpty. Operand 194 states and 194 transitions. [2018-07-23 13:42:27,492 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 194 [2018-07-23 13:42:27,492 INFO L349 BasicCegarLoop]: Found error trace [2018-07-23 13:42:27,492 INFO L357 BasicCegarLoop]: trace histogram [190, 1, 1, 1] [2018-07-23 13:42:27,492 INFO L414 AbstractCegarLoop]: === Iteration 191 === [ULTIMATE.startErr0AssertViolationASSERT]=== [2018-07-23 13:42:27,492 INFO L82 PathProgramCache]: Analyzing trace with hash -926002079, now seen corresponding path program 190 times [2018-07-23 13:42:27,492 INFO L69 tionRefinementEngine]: Using refinement strategy FixedRefinementStrategy [2018-07-23 13:42:27,568 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-07-23 13:42:28,406 INFO L134 CoverageAnalysis]: Checked inductivity of 18145 backedges. 0 proven. 18145 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2018-07-23 13:42:28,407 INFO L309 seRefinementStrategy]: Constructing automaton from 0 perfect and 1 imperfect interpolant sequences. [2018-07-23 13:42:28,407 INFO L324 seRefinementStrategy]: Number of different interpolants: perfect sequences [] imperfect sequences [192] total 192 [2018-07-23 13:42:28,407 INFO L142 lantAutomatonBuilder]: Constructing canonical interpolant automaton, with selfloop in false state [2018-07-23 13:42:28,407 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2018-07-23 13:42:28,408 INFO L185 omatonBuilderFactory]: Interpolants [94915#true, 94917#(<= ULTIMATE.start_main_~k~5 0), 94916#false, 94919#(<= ULTIMATE.start_main_~k~5 2), 94918#(<= ULTIMATE.start_main_~k~5 1), 94921#(<= ULTIMATE.start_main_~k~5 4), 94920#(<= ULTIMATE.start_main_~k~5 3), 94923#(<= ULTIMATE.start_main_~k~5 6), 94922#(<= ULTIMATE.start_main_~k~5 5), 94925#(<= ULTIMATE.start_main_~k~5 8), 94924#(<= ULTIMATE.start_main_~k~5 7), 94927#(<= ULTIMATE.start_main_~k~5 10), 94926#(<= ULTIMATE.start_main_~k~5 9), 94929#(<= ULTIMATE.start_main_~k~5 12), 94928#(<= ULTIMATE.start_main_~k~5 11), 94931#(<= ULTIMATE.start_main_~k~5 14), 94930#(<= ULTIMATE.start_main_~k~5 13), 94933#(<= ULTIMATE.start_main_~k~5 16), 94932#(<= ULTIMATE.start_main_~k~5 15), 94935#(<= ULTIMATE.start_main_~k~5 18), 94934#(<= ULTIMATE.start_main_~k~5 17), 94937#(<= ULTIMATE.start_main_~k~5 20), 94936#(<= ULTIMATE.start_main_~k~5 19), 94939#(<= ULTIMATE.start_main_~k~5 22), 94938#(<= ULTIMATE.start_main_~k~5 21), 94941#(<= ULTIMATE.start_main_~k~5 24), 94940#(<= ULTIMATE.start_main_~k~5 23), 94943#(<= ULTIMATE.start_main_~k~5 26), 94942#(<= ULTIMATE.start_main_~k~5 25), 94945#(<= ULTIMATE.start_main_~k~5 28), 94944#(<= ULTIMATE.start_main_~k~5 27), 94947#(<= ULTIMATE.start_main_~k~5 30), 94946#(<= ULTIMATE.start_main_~k~5 29), 94949#(<= ULTIMATE.start_main_~k~5 32), 94948#(<= ULTIMATE.start_main_~k~5 31), 94951#(<= ULTIMATE.start_main_~k~5 34), 94950#(<= ULTIMATE.start_main_~k~5 33), 94953#(<= ULTIMATE.start_main_~k~5 36), 94952#(<= ULTIMATE.start_main_~k~5 35), 94955#(<= ULTIMATE.start_main_~k~5 38), 94954#(<= ULTIMATE.start_main_~k~5 37), 94957#(<= ULTIMATE.start_main_~k~5 40), 94956#(<= ULTIMATE.start_main_~k~5 39), 94959#(<= ULTIMATE.start_main_~k~5 42), 94958#(<= ULTIMATE.start_main_~k~5 41), 94961#(<= ULTIMATE.start_main_~k~5 44), 94960#(<= ULTIMATE.start_main_~k~5 43), 94963#(<= ULTIMATE.start_main_~k~5 46), 94962#(<= ULTIMATE.start_main_~k~5 45), 94965#(<= ULTIMATE.start_main_~k~5 48), 94964#(<= ULTIMATE.start_main_~k~5 47), 94967#(<= ULTIMATE.start_main_~k~5 50), 94966#(<= ULTIMATE.start_main_~k~5 49), 94969#(<= ULTIMATE.start_main_~k~5 52), 94968#(<= ULTIMATE.start_main_~k~5 51), 94971#(<= ULTIMATE.start_main_~k~5 54), 94970#(<= ULTIMATE.start_main_~k~5 53), 94973#(<= ULTIMATE.start_main_~k~5 56), 94972#(<= ULTIMATE.start_main_~k~5 55), 94975#(<= ULTIMATE.start_main_~k~5 58), 94974#(<= ULTIMATE.start_main_~k~5 57), 94977#(<= ULTIMATE.start_main_~k~5 60), 94976#(<= ULTIMATE.start_main_~k~5 59), 94979#(<= ULTIMATE.start_main_~k~5 62), 94978#(<= ULTIMATE.start_main_~k~5 61), 94981#(<= ULTIMATE.start_main_~k~5 64), 94980#(<= ULTIMATE.start_main_~k~5 63), 94983#(<= ULTIMATE.start_main_~k~5 66), 94982#(<= ULTIMATE.start_main_~k~5 65), 94985#(<= ULTIMATE.start_main_~k~5 68), 94984#(<= ULTIMATE.start_main_~k~5 67), 94987#(<= ULTIMATE.start_main_~k~5 70), 94986#(<= ULTIMATE.start_main_~k~5 69), 94989#(<= ULTIMATE.start_main_~k~5 72), 94988#(<= ULTIMATE.start_main_~k~5 71), 94991#(<= ULTIMATE.start_main_~k~5 74), 94990#(<= ULTIMATE.start_main_~k~5 73), 94993#(<= ULTIMATE.start_main_~k~5 76), 94992#(<= ULTIMATE.start_main_~k~5 75), 94995#(<= ULTIMATE.start_main_~k~5 78), 94994#(<= ULTIMATE.start_main_~k~5 77), 94997#(<= ULTIMATE.start_main_~k~5 80), 94996#(<= ULTIMATE.start_main_~k~5 79), 94999#(<= ULTIMATE.start_main_~k~5 82), 94998#(<= ULTIMATE.start_main_~k~5 81), 95001#(<= ULTIMATE.start_main_~k~5 84), 95000#(<= ULTIMATE.start_main_~k~5 83), 95003#(<= ULTIMATE.start_main_~k~5 86), 95002#(<= ULTIMATE.start_main_~k~5 85), 95005#(<= ULTIMATE.start_main_~k~5 88), 95004#(<= ULTIMATE.start_main_~k~5 87), 95007#(<= ULTIMATE.start_main_~k~5 90), 95006#(<= ULTIMATE.start_main_~k~5 89), 95009#(<= ULTIMATE.start_main_~k~5 92), 95008#(<= ULTIMATE.start_main_~k~5 91), 95011#(<= ULTIMATE.start_main_~k~5 94), 95010#(<= ULTIMATE.start_main_~k~5 93), 95013#(<= ULTIMATE.start_main_~k~5 96), 95012#(<= ULTIMATE.start_main_~k~5 95), 95015#(<= ULTIMATE.start_main_~k~5 98), 95014#(<= ULTIMATE.start_main_~k~5 97), 95017#(<= ULTIMATE.start_main_~k~5 100), 95016#(<= ULTIMATE.start_main_~k~5 99), 95019#(<= ULTIMATE.start_main_~k~5 102), 95018#(<= ULTIMATE.start_main_~k~5 101), 95021#(<= ULTIMATE.start_main_~k~5 104), 95020#(<= ULTIMATE.start_main_~k~5 103), 95023#(<= ULTIMATE.start_main_~k~5 106), 95022#(<= ULTIMATE.start_main_~k~5 105), 95025#(<= ULTIMATE.start_main_~k~5 108), 95024#(<= ULTIMATE.start_main_~k~5 107), 95027#(<= ULTIMATE.start_main_~k~5 110), 95026#(<= ULTIMATE.start_main_~k~5 109), 95029#(<= ULTIMATE.start_main_~k~5 112), 95028#(<= ULTIMATE.start_main_~k~5 111), 95031#(<= ULTIMATE.start_main_~k~5 114), 95030#(<= ULTIMATE.start_main_~k~5 113), 95033#(<= ULTIMATE.start_main_~k~5 116), 95032#(<= ULTIMATE.start_main_~k~5 115), 95035#(<= ULTIMATE.start_main_~k~5 118), 95034#(<= ULTIMATE.start_main_~k~5 117), 95037#(<= ULTIMATE.start_main_~k~5 120), 95036#(<= ULTIMATE.start_main_~k~5 119), 95039#(<= ULTIMATE.start_main_~k~5 122), 95038#(<= ULTIMATE.start_main_~k~5 121), 95041#(<= ULTIMATE.start_main_~k~5 124), 95040#(<= ULTIMATE.start_main_~k~5 123), 95043#(<= ULTIMATE.start_main_~k~5 126), 95042#(<= ULTIMATE.start_main_~k~5 125), 95045#(<= ULTIMATE.start_main_~k~5 128), 95044#(<= ULTIMATE.start_main_~k~5 127), 95047#(<= ULTIMATE.start_main_~k~5 130), 95046#(<= ULTIMATE.start_main_~k~5 129), 95049#(<= ULTIMATE.start_main_~k~5 132), 95048#(<= ULTIMATE.start_main_~k~5 131), 95051#(<= ULTIMATE.start_main_~k~5 134), 95050#(<= ULTIMATE.start_main_~k~5 133), 95053#(<= ULTIMATE.start_main_~k~5 136), 95052#(<= ULTIMATE.start_main_~k~5 135), 95055#(<= ULTIMATE.start_main_~k~5 138), 95054#(<= ULTIMATE.start_main_~k~5 137), 95057#(<= ULTIMATE.start_main_~k~5 140), 95056#(<= ULTIMATE.start_main_~k~5 139), 95059#(<= ULTIMATE.start_main_~k~5 142), 95058#(<= ULTIMATE.start_main_~k~5 141), 95061#(<= ULTIMATE.start_main_~k~5 144), 95060#(<= ULTIMATE.start_main_~k~5 143), 95063#(<= ULTIMATE.start_main_~k~5 146), 95062#(<= ULTIMATE.start_main_~k~5 145), 95065#(<= ULTIMATE.start_main_~k~5 148), 95064#(<= ULTIMATE.start_main_~k~5 147), 95067#(<= ULTIMATE.start_main_~k~5 150), 95066#(<= ULTIMATE.start_main_~k~5 149), 95069#(<= ULTIMATE.start_main_~k~5 152), 95068#(<= ULTIMATE.start_main_~k~5 151), 95071#(<= ULTIMATE.start_main_~k~5 154), 95070#(<= ULTIMATE.start_main_~k~5 153), 95073#(<= ULTIMATE.start_main_~k~5 156), 95072#(<= ULTIMATE.start_main_~k~5 155), 95075#(<= ULTIMATE.start_main_~k~5 158), 95074#(<= ULTIMATE.start_main_~k~5 157), 95077#(<= ULTIMATE.start_main_~k~5 160), 95076#(<= ULTIMATE.start_main_~k~5 159), 95079#(<= ULTIMATE.start_main_~k~5 162), 95078#(<= ULTIMATE.start_main_~k~5 161), 95081#(<= ULTIMATE.start_main_~k~5 164), 95080#(<= ULTIMATE.start_main_~k~5 163), 95083#(<= ULTIMATE.start_main_~k~5 166), 95082#(<= ULTIMATE.start_main_~k~5 165), 95085#(<= ULTIMATE.start_main_~k~5 168), 95084#(<= ULTIMATE.start_main_~k~5 167), 95087#(<= ULTIMATE.start_main_~k~5 170), 95086#(<= ULTIMATE.start_main_~k~5 169), 95089#(<= ULTIMATE.start_main_~k~5 172), 95088#(<= ULTIMATE.start_main_~k~5 171), 95091#(<= ULTIMATE.start_main_~k~5 174), 95090#(<= ULTIMATE.start_main_~k~5 173), 95093#(<= ULTIMATE.start_main_~k~5 176), 95092#(<= ULTIMATE.start_main_~k~5 175), 95095#(<= ULTIMATE.start_main_~k~5 178), 95094#(<= ULTIMATE.start_main_~k~5 177), 95097#(<= ULTIMATE.start_main_~k~5 180), 95096#(<= ULTIMATE.start_main_~k~5 179), 95099#(<= ULTIMATE.start_main_~k~5 182), 95098#(<= ULTIMATE.start_main_~k~5 181), 95101#(<= ULTIMATE.start_main_~k~5 184), 95100#(<= ULTIMATE.start_main_~k~5 183), 95103#(<= ULTIMATE.start_main_~k~5 186), 95102#(<= ULTIMATE.start_main_~k~5 185), 95105#(<= ULTIMATE.start_main_~k~5 188), 95104#(<= ULTIMATE.start_main_~k~5 187), 95107#(<= ULTIMATE.start_main_~k~5 190), 95106#(<= ULTIMATE.start_main_~k~5 189)] [2018-07-23 13:42:28,409 INFO L134 CoverageAnalysis]: Checked inductivity of 18145 backedges. 0 proven. 18145 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2018-07-23 13:42:28,409 INFO L450 AbstractCegarLoop]: Interpolant automaton has 193 states [2018-07-23 13:42:28,412 INFO L132 InterpolantAutomaton]: Constructing interpolant automaton starting with 193 interpolants. [2018-07-23 13:42:28,413 INFO L133 InterpolantAutomaton]: CoverageRelationStatistics Valid=18528, Invalid=18528, Unknown=0, NotChecked=0, Total=37056 [2018-07-23 13:42:28,414 INFO L87 Difference]: Start difference. First operand 194 states and 194 transitions. Second operand 193 states. [2018-07-23 13:42:28,885 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2018-07-23 13:42:28,886 INFO L93 Difference]: Finished difference Result 197 states and 197 transitions. [2018-07-23 13:42:28,886 INFO L142 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 193 states. [2018-07-23 13:42:28,886 INFO L78 Accepts]: Start accepts. Automaton has 193 states. Word has length 193 [2018-07-23 13:42:28,886 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2018-07-23 13:42:28,886 INFO L225 Difference]: With dead ends: 197 [2018-07-23 13:42:28,886 INFO L226 Difference]: Without dead ends: 195 [2018-07-23 13:42:28,888 INFO L575 BasicCegarLoop]: 0 DeclaredPredicates, 192 GetRequests, 1 SyntacticMatches, 0 SemanticMatches, 191 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 0 ImplicationChecksByTransitivity, 0.7s TimeCoverageRelationStatistics Valid=18528, Invalid=18528, Unknown=0, NotChecked=0, Total=37056 [2018-07-23 13:42:28,888 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 195 states. [2018-07-23 13:42:28,890 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 195 to 195. [2018-07-23 13:42:28,890 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 195 states. [2018-07-23 13:42:28,890 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 195 states to 195 states and 195 transitions. [2018-07-23 13:42:28,890 INFO L78 Accepts]: Start accepts. Automaton has 195 states and 195 transitions. Word has length 193 [2018-07-23 13:42:28,891 INFO L84 Accepts]: Finished accepts. word is rejected. [2018-07-23 13:42:28,891 INFO L471 AbstractCegarLoop]: Abstraction has 195 states and 195 transitions. [2018-07-23 13:42:28,891 INFO L472 AbstractCegarLoop]: Interpolant automaton has 193 states. [2018-07-23 13:42:28,891 INFO L276 IsEmpty]: Start isEmpty. Operand 195 states and 195 transitions. [2018-07-23 13:42:28,891 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 195 [2018-07-23 13:42:28,891 INFO L349 BasicCegarLoop]: Found error trace [2018-07-23 13:42:28,891 INFO L357 BasicCegarLoop]: trace histogram [191, 1, 1, 1] [2018-07-23 13:42:28,891 INFO L414 AbstractCegarLoop]: === Iteration 192 === [ULTIMATE.startErr0AssertViolationASSERT]=== [2018-07-23 13:42:28,892 INFO L82 PathProgramCache]: Analyzing trace with hash 1358704648, now seen corresponding path program 191 times [2018-07-23 13:42:28,892 INFO L69 tionRefinementEngine]: Using refinement strategy FixedRefinementStrategy [2018-07-23 13:42:28,970 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-07-23 13:42:29,846 INFO L134 CoverageAnalysis]: Checked inductivity of 18336 backedges. 0 proven. 18336 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2018-07-23 13:42:29,847 INFO L309 seRefinementStrategy]: Constructing automaton from 0 perfect and 1 imperfect interpolant sequences. [2018-07-23 13:42:29,847 INFO L324 seRefinementStrategy]: Number of different interpolants: perfect sequences [] imperfect sequences [193] total 193 [2018-07-23 13:42:29,847 INFO L142 lantAutomatonBuilder]: Constructing canonical interpolant automaton, with selfloop in false state [2018-07-23 13:42:29,847 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2018-07-23 13:42:29,848 INFO L185 omatonBuilderFactory]: Interpolants [95893#false, 95892#true, 95895#(<= ULTIMATE.start_main_~k~5 1), 95894#(<= ULTIMATE.start_main_~k~5 0), 95897#(<= ULTIMATE.start_main_~k~5 3), 95896#(<= ULTIMATE.start_main_~k~5 2), 95899#(<= ULTIMATE.start_main_~k~5 5), 95898#(<= ULTIMATE.start_main_~k~5 4), 95901#(<= ULTIMATE.start_main_~k~5 7), 95900#(<= ULTIMATE.start_main_~k~5 6), 95903#(<= ULTIMATE.start_main_~k~5 9), 95902#(<= ULTIMATE.start_main_~k~5 8), 95905#(<= ULTIMATE.start_main_~k~5 11), 95904#(<= ULTIMATE.start_main_~k~5 10), 95907#(<= ULTIMATE.start_main_~k~5 13), 95906#(<= ULTIMATE.start_main_~k~5 12), 95909#(<= ULTIMATE.start_main_~k~5 15), 95908#(<= ULTIMATE.start_main_~k~5 14), 95911#(<= ULTIMATE.start_main_~k~5 17), 95910#(<= ULTIMATE.start_main_~k~5 16), 95913#(<= ULTIMATE.start_main_~k~5 19), 95912#(<= ULTIMATE.start_main_~k~5 18), 95915#(<= ULTIMATE.start_main_~k~5 21), 95914#(<= ULTIMATE.start_main_~k~5 20), 95917#(<= ULTIMATE.start_main_~k~5 23), 95916#(<= ULTIMATE.start_main_~k~5 22), 95919#(<= ULTIMATE.start_main_~k~5 25), 95918#(<= ULTIMATE.start_main_~k~5 24), 95921#(<= ULTIMATE.start_main_~k~5 27), 95920#(<= ULTIMATE.start_main_~k~5 26), 95923#(<= ULTIMATE.start_main_~k~5 29), 95922#(<= ULTIMATE.start_main_~k~5 28), 95925#(<= ULTIMATE.start_main_~k~5 31), 95924#(<= ULTIMATE.start_main_~k~5 30), 95927#(<= ULTIMATE.start_main_~k~5 33), 95926#(<= ULTIMATE.start_main_~k~5 32), 95929#(<= ULTIMATE.start_main_~k~5 35), 95928#(<= ULTIMATE.start_main_~k~5 34), 95931#(<= ULTIMATE.start_main_~k~5 37), 95930#(<= ULTIMATE.start_main_~k~5 36), 95933#(<= ULTIMATE.start_main_~k~5 39), 95932#(<= ULTIMATE.start_main_~k~5 38), 95935#(<= ULTIMATE.start_main_~k~5 41), 95934#(<= ULTIMATE.start_main_~k~5 40), 95937#(<= ULTIMATE.start_main_~k~5 43), 95936#(<= ULTIMATE.start_main_~k~5 42), 95939#(<= ULTIMATE.start_main_~k~5 45), 95938#(<= ULTIMATE.start_main_~k~5 44), 95941#(<= ULTIMATE.start_main_~k~5 47), 95940#(<= ULTIMATE.start_main_~k~5 46), 95943#(<= ULTIMATE.start_main_~k~5 49), 95942#(<= ULTIMATE.start_main_~k~5 48), 95945#(<= ULTIMATE.start_main_~k~5 51), 95944#(<= ULTIMATE.start_main_~k~5 50), 95947#(<= ULTIMATE.start_main_~k~5 53), 95946#(<= ULTIMATE.start_main_~k~5 52), 95949#(<= ULTIMATE.start_main_~k~5 55), 95948#(<= ULTIMATE.start_main_~k~5 54), 95951#(<= ULTIMATE.start_main_~k~5 57), 95950#(<= ULTIMATE.start_main_~k~5 56), 95953#(<= ULTIMATE.start_main_~k~5 59), 95952#(<= ULTIMATE.start_main_~k~5 58), 95955#(<= ULTIMATE.start_main_~k~5 61), 95954#(<= ULTIMATE.start_main_~k~5 60), 95957#(<= ULTIMATE.start_main_~k~5 63), 95956#(<= ULTIMATE.start_main_~k~5 62), 95959#(<= ULTIMATE.start_main_~k~5 65), 95958#(<= ULTIMATE.start_main_~k~5 64), 95961#(<= ULTIMATE.start_main_~k~5 67), 95960#(<= ULTIMATE.start_main_~k~5 66), 95963#(<= ULTIMATE.start_main_~k~5 69), 95962#(<= ULTIMATE.start_main_~k~5 68), 95965#(<= ULTIMATE.start_main_~k~5 71), 95964#(<= ULTIMATE.start_main_~k~5 70), 95967#(<= ULTIMATE.start_main_~k~5 73), 95966#(<= ULTIMATE.start_main_~k~5 72), 95969#(<= ULTIMATE.start_main_~k~5 75), 95968#(<= ULTIMATE.start_main_~k~5 74), 95971#(<= ULTIMATE.start_main_~k~5 77), 95970#(<= ULTIMATE.start_main_~k~5 76), 95973#(<= ULTIMATE.start_main_~k~5 79), 95972#(<= ULTIMATE.start_main_~k~5 78), 95975#(<= ULTIMATE.start_main_~k~5 81), 95974#(<= ULTIMATE.start_main_~k~5 80), 95977#(<= ULTIMATE.start_main_~k~5 83), 95976#(<= ULTIMATE.start_main_~k~5 82), 95979#(<= ULTIMATE.start_main_~k~5 85), 95978#(<= ULTIMATE.start_main_~k~5 84), 95981#(<= ULTIMATE.start_main_~k~5 87), 95980#(<= ULTIMATE.start_main_~k~5 86), 95983#(<= ULTIMATE.start_main_~k~5 89), 95982#(<= ULTIMATE.start_main_~k~5 88), 95985#(<= ULTIMATE.start_main_~k~5 91), 95984#(<= ULTIMATE.start_main_~k~5 90), 95987#(<= ULTIMATE.start_main_~k~5 93), 95986#(<= ULTIMATE.start_main_~k~5 92), 95989#(<= ULTIMATE.start_main_~k~5 95), 95988#(<= ULTIMATE.start_main_~k~5 94), 95991#(<= ULTIMATE.start_main_~k~5 97), 95990#(<= ULTIMATE.start_main_~k~5 96), 95993#(<= ULTIMATE.start_main_~k~5 99), 95992#(<= ULTIMATE.start_main_~k~5 98), 95995#(<= ULTIMATE.start_main_~k~5 101), 95994#(<= ULTIMATE.start_main_~k~5 100), 95997#(<= ULTIMATE.start_main_~k~5 103), 95996#(<= ULTIMATE.start_main_~k~5 102), 95999#(<= ULTIMATE.start_main_~k~5 105), 95998#(<= ULTIMATE.start_main_~k~5 104), 96001#(<= ULTIMATE.start_main_~k~5 107), 96000#(<= ULTIMATE.start_main_~k~5 106), 96003#(<= ULTIMATE.start_main_~k~5 109), 96002#(<= ULTIMATE.start_main_~k~5 108), 96005#(<= ULTIMATE.start_main_~k~5 111), 96004#(<= ULTIMATE.start_main_~k~5 110), 96007#(<= ULTIMATE.start_main_~k~5 113), 96006#(<= ULTIMATE.start_main_~k~5 112), 96009#(<= ULTIMATE.start_main_~k~5 115), 96008#(<= ULTIMATE.start_main_~k~5 114), 96011#(<= ULTIMATE.start_main_~k~5 117), 96010#(<= ULTIMATE.start_main_~k~5 116), 96013#(<= ULTIMATE.start_main_~k~5 119), 96012#(<= ULTIMATE.start_main_~k~5 118), 96015#(<= ULTIMATE.start_main_~k~5 121), 96014#(<= ULTIMATE.start_main_~k~5 120), 96017#(<= ULTIMATE.start_main_~k~5 123), 96016#(<= ULTIMATE.start_main_~k~5 122), 96019#(<= ULTIMATE.start_main_~k~5 125), 96018#(<= ULTIMATE.start_main_~k~5 124), 96021#(<= ULTIMATE.start_main_~k~5 127), 96020#(<= ULTIMATE.start_main_~k~5 126), 96023#(<= ULTIMATE.start_main_~k~5 129), 96022#(<= ULTIMATE.start_main_~k~5 128), 96025#(<= ULTIMATE.start_main_~k~5 131), 96024#(<= ULTIMATE.start_main_~k~5 130), 96027#(<= ULTIMATE.start_main_~k~5 133), 96026#(<= ULTIMATE.start_main_~k~5 132), 96029#(<= ULTIMATE.start_main_~k~5 135), 96028#(<= ULTIMATE.start_main_~k~5 134), 96031#(<= ULTIMATE.start_main_~k~5 137), 96030#(<= ULTIMATE.start_main_~k~5 136), 96033#(<= ULTIMATE.start_main_~k~5 139), 96032#(<= ULTIMATE.start_main_~k~5 138), 96035#(<= ULTIMATE.start_main_~k~5 141), 96034#(<= ULTIMATE.start_main_~k~5 140), 96037#(<= ULTIMATE.start_main_~k~5 143), 96036#(<= ULTIMATE.start_main_~k~5 142), 96039#(<= ULTIMATE.start_main_~k~5 145), 96038#(<= ULTIMATE.start_main_~k~5 144), 96041#(<= ULTIMATE.start_main_~k~5 147), 96040#(<= ULTIMATE.start_main_~k~5 146), 96043#(<= ULTIMATE.start_main_~k~5 149), 96042#(<= ULTIMATE.start_main_~k~5 148), 96045#(<= ULTIMATE.start_main_~k~5 151), 96044#(<= ULTIMATE.start_main_~k~5 150), 96047#(<= ULTIMATE.start_main_~k~5 153), 96046#(<= ULTIMATE.start_main_~k~5 152), 96049#(<= ULTIMATE.start_main_~k~5 155), 96048#(<= ULTIMATE.start_main_~k~5 154), 96051#(<= ULTIMATE.start_main_~k~5 157), 96050#(<= ULTIMATE.start_main_~k~5 156), 96053#(<= ULTIMATE.start_main_~k~5 159), 96052#(<= ULTIMATE.start_main_~k~5 158), 96055#(<= ULTIMATE.start_main_~k~5 161), 96054#(<= ULTIMATE.start_main_~k~5 160), 96057#(<= ULTIMATE.start_main_~k~5 163), 96056#(<= ULTIMATE.start_main_~k~5 162), 96059#(<= ULTIMATE.start_main_~k~5 165), 96058#(<= ULTIMATE.start_main_~k~5 164), 96061#(<= ULTIMATE.start_main_~k~5 167), 96060#(<= ULTIMATE.start_main_~k~5 166), 96063#(<= ULTIMATE.start_main_~k~5 169), 96062#(<= ULTIMATE.start_main_~k~5 168), 96065#(<= ULTIMATE.start_main_~k~5 171), 96064#(<= ULTIMATE.start_main_~k~5 170), 96067#(<= ULTIMATE.start_main_~k~5 173), 96066#(<= ULTIMATE.start_main_~k~5 172), 96069#(<= ULTIMATE.start_main_~k~5 175), 96068#(<= ULTIMATE.start_main_~k~5 174), 96071#(<= ULTIMATE.start_main_~k~5 177), 96070#(<= ULTIMATE.start_main_~k~5 176), 96073#(<= ULTIMATE.start_main_~k~5 179), 96072#(<= ULTIMATE.start_main_~k~5 178), 96075#(<= ULTIMATE.start_main_~k~5 181), 96074#(<= ULTIMATE.start_main_~k~5 180), 96077#(<= ULTIMATE.start_main_~k~5 183), 96076#(<= ULTIMATE.start_main_~k~5 182), 96079#(<= ULTIMATE.start_main_~k~5 185), 96078#(<= ULTIMATE.start_main_~k~5 184), 96081#(<= ULTIMATE.start_main_~k~5 187), 96080#(<= ULTIMATE.start_main_~k~5 186), 96083#(<= ULTIMATE.start_main_~k~5 189), 96082#(<= ULTIMATE.start_main_~k~5 188), 96085#(<= ULTIMATE.start_main_~k~5 191), 96084#(<= ULTIMATE.start_main_~k~5 190)] [2018-07-23 13:42:29,849 INFO L134 CoverageAnalysis]: Checked inductivity of 18336 backedges. 0 proven. 18336 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2018-07-23 13:42:29,850 INFO L450 AbstractCegarLoop]: Interpolant automaton has 194 states [2018-07-23 13:42:29,853 INFO L132 InterpolantAutomaton]: Constructing interpolant automaton starting with 194 interpolants. [2018-07-23 13:42:29,854 INFO L133 InterpolantAutomaton]: CoverageRelationStatistics Valid=18721, Invalid=18721, Unknown=0, NotChecked=0, Total=37442 [2018-07-23 13:42:29,855 INFO L87 Difference]: Start difference. First operand 195 states and 195 transitions. Second operand 194 states. [2018-07-23 13:42:30,169 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2018-07-23 13:42:30,169 INFO L93 Difference]: Finished difference Result 198 states and 198 transitions. [2018-07-23 13:42:30,170 INFO L142 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 194 states. [2018-07-23 13:42:30,170 INFO L78 Accepts]: Start accepts. Automaton has 194 states. Word has length 194 [2018-07-23 13:42:30,170 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2018-07-23 13:42:30,170 INFO L225 Difference]: With dead ends: 198 [2018-07-23 13:42:30,170 INFO L226 Difference]: Without dead ends: 196 [2018-07-23 13:42:30,173 INFO L575 BasicCegarLoop]: 0 DeclaredPredicates, 193 GetRequests, 1 SyntacticMatches, 0 SemanticMatches, 192 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 0 ImplicationChecksByTransitivity, 0.7s TimeCoverageRelationStatistics Valid=18721, Invalid=18721, Unknown=0, NotChecked=0, Total=37442 [2018-07-23 13:42:30,173 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 196 states. [2018-07-23 13:42:30,176 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 196 to 196. [2018-07-23 13:42:30,176 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 196 states. [2018-07-23 13:42:30,176 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 196 states to 196 states and 196 transitions. [2018-07-23 13:42:30,177 INFO L78 Accepts]: Start accepts. Automaton has 196 states and 196 transitions. Word has length 194 [2018-07-23 13:42:30,177 INFO L84 Accepts]: Finished accepts. word is rejected. [2018-07-23 13:42:30,177 INFO L471 AbstractCegarLoop]: Abstraction has 196 states and 196 transitions. [2018-07-23 13:42:30,177 INFO L472 AbstractCegarLoop]: Interpolant automaton has 194 states. [2018-07-23 13:42:30,177 INFO L276 IsEmpty]: Start isEmpty. Operand 196 states and 196 transitions. [2018-07-23 13:42:30,178 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 196 [2018-07-23 13:42:30,178 INFO L349 BasicCegarLoop]: Found error trace [2018-07-23 13:42:30,178 INFO L357 BasicCegarLoop]: trace histogram [192, 1, 1, 1] [2018-07-23 13:42:30,178 INFO L414 AbstractCegarLoop]: === Iteration 193 === [ULTIMATE.startErr0AssertViolationASSERT]=== [2018-07-23 13:42:30,178 INFO L82 PathProgramCache]: Analyzing trace with hash -829830847, now seen corresponding path program 192 times [2018-07-23 13:42:30,178 INFO L69 tionRefinementEngine]: Using refinement strategy FixedRefinementStrategy [2018-07-23 13:42:30,278 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-07-23 13:42:31,300 INFO L134 CoverageAnalysis]: Checked inductivity of 18528 backedges. 0 proven. 18528 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2018-07-23 13:42:31,301 INFO L309 seRefinementStrategy]: Constructing automaton from 0 perfect and 1 imperfect interpolant sequences. [2018-07-23 13:42:31,301 INFO L324 seRefinementStrategy]: Number of different interpolants: perfect sequences [] imperfect sequences [194] total 194 [2018-07-23 13:42:31,301 INFO L142 lantAutomatonBuilder]: Constructing canonical interpolant automaton, with selfloop in false state [2018-07-23 13:42:31,301 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 13:42:31,302 INFO L185 omatonBuilderFactory]: Interpolants [96875#false, 96874#true, 96877#(<= ULTIMATE.start_main_~k~5 1), 96876#(<= ULTIMATE.start_main_~k~5 0), 96879#(<= ULTIMATE.start_main_~k~5 3), 96878#(<= ULTIMATE.start_main_~k~5 2), 96881#(<= ULTIMATE.start_main_~k~5 5), 96880#(<= ULTIMATE.start_main_~k~5 4), 96883#(<= ULTIMATE.start_main_~k~5 7), 96882#(<= ULTIMATE.start_main_~k~5 6), 96885#(<= ULTIMATE.start_main_~k~5 9), 96884#(<= ULTIMATE.start_main_~k~5 8), 96887#(<= ULTIMATE.start_main_~k~5 11), 96886#(<= ULTIMATE.start_main_~k~5 10), 96889#(<= ULTIMATE.start_main_~k~5 13), 96888#(<= ULTIMATE.start_main_~k~5 12), 96891#(<= ULTIMATE.start_main_~k~5 15), 96890#(<= ULTIMATE.start_main_~k~5 14), 96893#(<= ULTIMATE.start_main_~k~5 17), 96892#(<= ULTIMATE.start_main_~k~5 16), 96895#(<= ULTIMATE.start_main_~k~5 19), 96894#(<= ULTIMATE.start_main_~k~5 18), 96897#(<= ULTIMATE.start_main_~k~5 21), 96896#(<= ULTIMATE.start_main_~k~5 20), 96899#(<= ULTIMATE.start_main_~k~5 23), 96898#(<= ULTIMATE.start_main_~k~5 22), 96901#(<= ULTIMATE.start_main_~k~5 25), 96900#(<= ULTIMATE.start_main_~k~5 24), 96903#(<= ULTIMATE.start_main_~k~5 27), 96902#(<= ULTIMATE.start_main_~k~5 26), 96905#(<= ULTIMATE.start_main_~k~5 29), 96904#(<= ULTIMATE.start_main_~k~5 28), 96907#(<= ULTIMATE.start_main_~k~5 31), 96906#(<= ULTIMATE.start_main_~k~5 30), 96909#(<= ULTIMATE.start_main_~k~5 33), 96908#(<= ULTIMATE.start_main_~k~5 32), 96911#(<= ULTIMATE.start_main_~k~5 35), 96910#(<= ULTIMATE.start_main_~k~5 34), 96913#(<= ULTIMATE.start_main_~k~5 37), 96912#(<= ULTIMATE.start_main_~k~5 36), 96915#(<= ULTIMATE.start_main_~k~5 39), 96914#(<= ULTIMATE.start_main_~k~5 38), 96917#(<= ULTIMATE.start_main_~k~5 41), 96916#(<= ULTIMATE.start_main_~k~5 40), 96919#(<= ULTIMATE.start_main_~k~5 43), 96918#(<= ULTIMATE.start_main_~k~5 42), 96921#(<= ULTIMATE.start_main_~k~5 45), 96920#(<= ULTIMATE.start_main_~k~5 44), 96923#(<= ULTIMATE.start_main_~k~5 47), 96922#(<= ULTIMATE.start_main_~k~5 46), 96925#(<= ULTIMATE.start_main_~k~5 49), 96924#(<= ULTIMATE.start_main_~k~5 48), 96927#(<= ULTIMATE.start_main_~k~5 51), 96926#(<= ULTIMATE.start_main_~k~5 50), 96929#(<= ULTIMATE.start_main_~k~5 53), 96928#(<= ULTIMATE.start_main_~k~5 52), 96931#(<= ULTIMATE.start_main_~k~5 55), 96930#(<= ULTIMATE.start_main_~k~5 54), 96933#(<= ULTIMATE.start_main_~k~5 57), 96932#(<= ULTIMATE.start_main_~k~5 56), 96935#(<= ULTIMATE.start_main_~k~5 59), 96934#(<= ULTIMATE.start_main_~k~5 58), 96937#(<= ULTIMATE.start_main_~k~5 61), 96936#(<= ULTIMATE.start_main_~k~5 60), 96939#(<= ULTIMATE.start_main_~k~5 63), 96938#(<= ULTIMATE.start_main_~k~5 62), 96941#(<= ULTIMATE.start_main_~k~5 65), 96940#(<= ULTIMATE.start_main_~k~5 64), 96943#(<= ULTIMATE.start_main_~k~5 67), 96942#(<= ULTIMATE.start_main_~k~5 66), 96945#(<= ULTIMATE.start_main_~k~5 69), 96944#(<= ULTIMATE.start_main_~k~5 68), 96947#(<= ULTIMATE.start_main_~k~5 71), 96946#(<= ULTIMATE.start_main_~k~5 70), 96949#(<= ULTIMATE.start_main_~k~5 73), 96948#(<= ULTIMATE.start_main_~k~5 72), 96951#(<= ULTIMATE.start_main_~k~5 75), 96950#(<= ULTIMATE.start_main_~k~5 74), 96953#(<= ULTIMATE.start_main_~k~5 77), 96952#(<= ULTIMATE.start_main_~k~5 76), 96955#(<= ULTIMATE.start_main_~k~5 79), 96954#(<= ULTIMATE.start_main_~k~5 78), 96957#(<= ULTIMATE.start_main_~k~5 81), 96956#(<= ULTIMATE.start_main_~k~5 80), 96959#(<= ULTIMATE.start_main_~k~5 83), 96958#(<= ULTIMATE.start_main_~k~5 82), 96961#(<= ULTIMATE.start_main_~k~5 85), 96960#(<= ULTIMATE.start_main_~k~5 84), 96963#(<= ULTIMATE.start_main_~k~5 87), 96962#(<= ULTIMATE.start_main_~k~5 86), 96965#(<= ULTIMATE.start_main_~k~5 89), 96964#(<= ULTIMATE.start_main_~k~5 88), 96967#(<= ULTIMATE.start_main_~k~5 91), 96966#(<= ULTIMATE.start_main_~k~5 90), 96969#(<= ULTIMATE.start_main_~k~5 93), 96968#(<= ULTIMATE.start_main_~k~5 92), 96971#(<= ULTIMATE.start_main_~k~5 95), 96970#(<= ULTIMATE.start_main_~k~5 94), 96973#(<= ULTIMATE.start_main_~k~5 97), 96972#(<= ULTIMATE.start_main_~k~5 96), 96975#(<= ULTIMATE.start_main_~k~5 99), 96974#(<= ULTIMATE.start_main_~k~5 98), 96977#(<= ULTIMATE.start_main_~k~5 101), 96976#(<= ULTIMATE.start_main_~k~5 100), 96979#(<= ULTIMATE.start_main_~k~5 103), 96978#(<= ULTIMATE.start_main_~k~5 102), 96981#(<= ULTIMATE.start_main_~k~5 105), 96980#(<= ULTIMATE.start_main_~k~5 104), 96983#(<= ULTIMATE.start_main_~k~5 107), 96982#(<= ULTIMATE.start_main_~k~5 106), 96985#(<= ULTIMATE.start_main_~k~5 109), 96984#(<= ULTIMATE.start_main_~k~5 108), 96987#(<= ULTIMATE.start_main_~k~5 111), 96986#(<= ULTIMATE.start_main_~k~5 110), 96989#(<= ULTIMATE.start_main_~k~5 113), 96988#(<= ULTIMATE.start_main_~k~5 112), 96991#(<= ULTIMATE.start_main_~k~5 115), 96990#(<= ULTIMATE.start_main_~k~5 114), 96993#(<= ULTIMATE.start_main_~k~5 117), 96992#(<= ULTIMATE.start_main_~k~5 116), 96995#(<= ULTIMATE.start_main_~k~5 119), 96994#(<= ULTIMATE.start_main_~k~5 118), 96997#(<= ULTIMATE.start_main_~k~5 121), 96996#(<= ULTIMATE.start_main_~k~5 120), 96999#(<= ULTIMATE.start_main_~k~5 123), 96998#(<= ULTIMATE.start_main_~k~5 122), 97001#(<= ULTIMATE.start_main_~k~5 125), 97000#(<= ULTIMATE.start_main_~k~5 124), 97003#(<= ULTIMATE.start_main_~k~5 127), 97002#(<= ULTIMATE.start_main_~k~5 126), 97005#(<= ULTIMATE.start_main_~k~5 129), 97004#(<= ULTIMATE.start_main_~k~5 128), 97007#(<= ULTIMATE.start_main_~k~5 131), 97006#(<= ULTIMATE.start_main_~k~5 130), 97009#(<= ULTIMATE.start_main_~k~5 133), 97008#(<= ULTIMATE.start_main_~k~5 132), 97011#(<= ULTIMATE.start_main_~k~5 135), 97010#(<= ULTIMATE.start_main_~k~5 134), 97013#(<= ULTIMATE.start_main_~k~5 137), 97012#(<= ULTIMATE.start_main_~k~5 136), 97015#(<= ULTIMATE.start_main_~k~5 139), 97014#(<= ULTIMATE.start_main_~k~5 138), 97017#(<= ULTIMATE.start_main_~k~5 141), 97016#(<= ULTIMATE.start_main_~k~5 140), 97019#(<= ULTIMATE.start_main_~k~5 143), 97018#(<= ULTIMATE.start_main_~k~5 142), 97021#(<= ULTIMATE.start_main_~k~5 145), 97020#(<= ULTIMATE.start_main_~k~5 144), 97023#(<= ULTIMATE.start_main_~k~5 147), 97022#(<= ULTIMATE.start_main_~k~5 146), 97025#(<= ULTIMATE.start_main_~k~5 149), 97024#(<= ULTIMATE.start_main_~k~5 148), 97027#(<= ULTIMATE.start_main_~k~5 151), 97026#(<= ULTIMATE.start_main_~k~5 150), 97029#(<= ULTIMATE.start_main_~k~5 153), 97028#(<= ULTIMATE.start_main_~k~5 152), 97031#(<= ULTIMATE.start_main_~k~5 155), 97030#(<= ULTIMATE.start_main_~k~5 154), 97033#(<= ULTIMATE.start_main_~k~5 157), 97032#(<= ULTIMATE.start_main_~k~5 156), 97035#(<= ULTIMATE.start_main_~k~5 159), 97034#(<= ULTIMATE.start_main_~k~5 158), 97037#(<= ULTIMATE.start_main_~k~5 161), 97036#(<= ULTIMATE.start_main_~k~5 160), 97039#(<= ULTIMATE.start_main_~k~5 163), 97038#(<= ULTIMATE.start_main_~k~5 162), 97041#(<= ULTIMATE.start_main_~k~5 165), 97040#(<= ULTIMATE.start_main_~k~5 164), 97043#(<= ULTIMATE.start_main_~k~5 167), 97042#(<= ULTIMATE.start_main_~k~5 166), 97045#(<= ULTIMATE.start_main_~k~5 169), 97044#(<= ULTIMATE.start_main_~k~5 168), 97047#(<= ULTIMATE.start_main_~k~5 171), 97046#(<= ULTIMATE.start_main_~k~5 170), 97049#(<= ULTIMATE.start_main_~k~5 173), 97048#(<= ULTIMATE.start_main_~k~5 172), 97051#(<= ULTIMATE.start_main_~k~5 175), 97050#(<= ULTIMATE.start_main_~k~5 174), 97053#(<= ULTIMATE.start_main_~k~5 177), 97052#(<= ULTIMATE.start_main_~k~5 176), 97055#(<= ULTIMATE.start_main_~k~5 179), 97054#(<= ULTIMATE.start_main_~k~5 178), 97057#(<= ULTIMATE.start_main_~k~5 181), 97056#(<= ULTIMATE.start_main_~k~5 180), 97059#(<= ULTIMATE.start_main_~k~5 183), 97058#(<= ULTIMATE.start_main_~k~5 182), 97061#(<= ULTIMATE.start_main_~k~5 185), 97060#(<= ULTIMATE.start_main_~k~5 184), 97063#(<= ULTIMATE.start_main_~k~5 187), 97062#(<= ULTIMATE.start_main_~k~5 186), 97065#(<= ULTIMATE.start_main_~k~5 189), 97064#(<= ULTIMATE.start_main_~k~5 188), 97067#(<= ULTIMATE.start_main_~k~5 191), 97066#(<= ULTIMATE.start_main_~k~5 190), 97068#(<= ULTIMATE.start_main_~k~5 192)] [2018-07-23 13:42:31,303 INFO L134 CoverageAnalysis]: Checked inductivity of 18528 backedges. 0 proven. 18528 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2018-07-23 13:42:31,303 INFO L450 AbstractCegarLoop]: Interpolant automaton has 195 states [2018-07-23 13:42:31,305 INFO L132 InterpolantAutomaton]: Constructing interpolant automaton starting with 195 interpolants. [2018-07-23 13:42:31,305 INFO L133 InterpolantAutomaton]: CoverageRelationStatistics Valid=18915, Invalid=18915, Unknown=0, NotChecked=0, Total=37830 [2018-07-23 13:42:31,306 INFO L87 Difference]: Start difference. First operand 196 states and 196 transitions. Second operand 195 states. [2018-07-23 13:42:31,824 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2018-07-23 13:42:31,824 INFO L93 Difference]: Finished difference Result 199 states and 199 transitions. [2018-07-23 13:42:31,824 INFO L142 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 195 states. [2018-07-23 13:42:31,824 INFO L78 Accepts]: Start accepts. Automaton has 195 states. Word has length 195 [2018-07-23 13:42:31,825 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2018-07-23 13:42:31,825 INFO L225 Difference]: With dead ends: 199 [2018-07-23 13:42:31,825 INFO L226 Difference]: Without dead ends: 197 [2018-07-23 13:42:31,827 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 13:42:31,827 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 197 states. [2018-07-23 13:42:31,830 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 197 to 197. [2018-07-23 13:42:31,830 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 197 states. [2018-07-23 13:42:31,830 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 197 states to 197 states and 197 transitions. [2018-07-23 13:42:31,830 INFO L78 Accepts]: Start accepts. Automaton has 197 states and 197 transitions. Word has length 195 [2018-07-23 13:42:31,831 INFO L84 Accepts]: Finished accepts. word is rejected. [2018-07-23 13:42:31,831 INFO L471 AbstractCegarLoop]: Abstraction has 197 states and 197 transitions. [2018-07-23 13:42:31,831 INFO L472 AbstractCegarLoop]: Interpolant automaton has 195 states. [2018-07-23 13:42:31,831 INFO L276 IsEmpty]: Start isEmpty. Operand 197 states and 197 transitions. [2018-07-23 13:42:31,832 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 197 [2018-07-23 13:42:31,832 INFO L349 BasicCegarLoop]: Found error trace [2018-07-23 13:42:31,832 INFO L357 BasicCegarLoop]: trace histogram [193, 1, 1, 1] [2018-07-23 13:42:31,832 INFO L414 AbstractCegarLoop]: === Iteration 194 === [ULTIMATE.startErr0AssertViolationASSERT]=== [2018-07-23 13:42:31,832 INFO L82 PathProgramCache]: Analyzing trace with hash 45045544, now seen corresponding path program 193 times [2018-07-23 13:42:31,832 INFO L69 tionRefinementEngine]: Using refinement strategy FixedRefinementStrategy [2018-07-23 13:42:31,970 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-07-23 13:42:32,910 INFO L134 CoverageAnalysis]: Checked inductivity of 18721 backedges. 0 proven. 18721 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2018-07-23 13:42:32,911 INFO L309 seRefinementStrategy]: Constructing automaton from 0 perfect and 1 imperfect interpolant sequences. [2018-07-23 13:42:32,911 INFO L324 seRefinementStrategy]: Number of different interpolants: perfect sequences [] imperfect sequences [195] total 195 [2018-07-23 13:42:32,911 INFO L142 lantAutomatonBuilder]: Constructing canonical interpolant automaton, with selfloop in false state [2018-07-23 13:42:32,911 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 13:42:32,911 INFO L185 omatonBuilderFactory]: Interpolants [97861#true, 97863#(<= ULTIMATE.start_main_~k~5 0), 97862#false, 97865#(<= ULTIMATE.start_main_~k~5 2), 97864#(<= ULTIMATE.start_main_~k~5 1), 97867#(<= ULTIMATE.start_main_~k~5 4), 97866#(<= ULTIMATE.start_main_~k~5 3), 97869#(<= ULTIMATE.start_main_~k~5 6), 97868#(<= ULTIMATE.start_main_~k~5 5), 97871#(<= ULTIMATE.start_main_~k~5 8), 97870#(<= ULTIMATE.start_main_~k~5 7), 97873#(<= ULTIMATE.start_main_~k~5 10), 97872#(<= ULTIMATE.start_main_~k~5 9), 97875#(<= ULTIMATE.start_main_~k~5 12), 97874#(<= ULTIMATE.start_main_~k~5 11), 97877#(<= ULTIMATE.start_main_~k~5 14), 97876#(<= ULTIMATE.start_main_~k~5 13), 97879#(<= ULTIMATE.start_main_~k~5 16), 97878#(<= ULTIMATE.start_main_~k~5 15), 97881#(<= ULTIMATE.start_main_~k~5 18), 97880#(<= ULTIMATE.start_main_~k~5 17), 97883#(<= ULTIMATE.start_main_~k~5 20), 97882#(<= ULTIMATE.start_main_~k~5 19), 97885#(<= ULTIMATE.start_main_~k~5 22), 97884#(<= ULTIMATE.start_main_~k~5 21), 97887#(<= ULTIMATE.start_main_~k~5 24), 97886#(<= ULTIMATE.start_main_~k~5 23), 97889#(<= ULTIMATE.start_main_~k~5 26), 97888#(<= ULTIMATE.start_main_~k~5 25), 97891#(<= ULTIMATE.start_main_~k~5 28), 97890#(<= ULTIMATE.start_main_~k~5 27), 97893#(<= ULTIMATE.start_main_~k~5 30), 97892#(<= ULTIMATE.start_main_~k~5 29), 97895#(<= ULTIMATE.start_main_~k~5 32), 97894#(<= ULTIMATE.start_main_~k~5 31), 97897#(<= ULTIMATE.start_main_~k~5 34), 97896#(<= ULTIMATE.start_main_~k~5 33), 97899#(<= ULTIMATE.start_main_~k~5 36), 97898#(<= ULTIMATE.start_main_~k~5 35), 97901#(<= ULTIMATE.start_main_~k~5 38), 97900#(<= ULTIMATE.start_main_~k~5 37), 97903#(<= ULTIMATE.start_main_~k~5 40), 97902#(<= ULTIMATE.start_main_~k~5 39), 97905#(<= ULTIMATE.start_main_~k~5 42), 97904#(<= ULTIMATE.start_main_~k~5 41), 97907#(<= ULTIMATE.start_main_~k~5 44), 97906#(<= ULTIMATE.start_main_~k~5 43), 97909#(<= ULTIMATE.start_main_~k~5 46), 97908#(<= ULTIMATE.start_main_~k~5 45), 97911#(<= ULTIMATE.start_main_~k~5 48), 97910#(<= ULTIMATE.start_main_~k~5 47), 97913#(<= ULTIMATE.start_main_~k~5 50), 97912#(<= ULTIMATE.start_main_~k~5 49), 97915#(<= ULTIMATE.start_main_~k~5 52), 97914#(<= ULTIMATE.start_main_~k~5 51), 97917#(<= ULTIMATE.start_main_~k~5 54), 97916#(<= ULTIMATE.start_main_~k~5 53), 97919#(<= ULTIMATE.start_main_~k~5 56), 97918#(<= ULTIMATE.start_main_~k~5 55), 97921#(<= ULTIMATE.start_main_~k~5 58), 97920#(<= ULTIMATE.start_main_~k~5 57), 97923#(<= ULTIMATE.start_main_~k~5 60), 97922#(<= ULTIMATE.start_main_~k~5 59), 97925#(<= ULTIMATE.start_main_~k~5 62), 97924#(<= ULTIMATE.start_main_~k~5 61), 97927#(<= ULTIMATE.start_main_~k~5 64), 97926#(<= ULTIMATE.start_main_~k~5 63), 97929#(<= ULTIMATE.start_main_~k~5 66), 97928#(<= ULTIMATE.start_main_~k~5 65), 97931#(<= ULTIMATE.start_main_~k~5 68), 97930#(<= ULTIMATE.start_main_~k~5 67), 97933#(<= ULTIMATE.start_main_~k~5 70), 97932#(<= ULTIMATE.start_main_~k~5 69), 97935#(<= ULTIMATE.start_main_~k~5 72), 97934#(<= ULTIMATE.start_main_~k~5 71), 97937#(<= ULTIMATE.start_main_~k~5 74), 97936#(<= ULTIMATE.start_main_~k~5 73), 97939#(<= ULTIMATE.start_main_~k~5 76), 97938#(<= ULTIMATE.start_main_~k~5 75), 97941#(<= ULTIMATE.start_main_~k~5 78), 97940#(<= ULTIMATE.start_main_~k~5 77), 97943#(<= ULTIMATE.start_main_~k~5 80), 97942#(<= ULTIMATE.start_main_~k~5 79), 97945#(<= ULTIMATE.start_main_~k~5 82), 97944#(<= ULTIMATE.start_main_~k~5 81), 97947#(<= ULTIMATE.start_main_~k~5 84), 97946#(<= ULTIMATE.start_main_~k~5 83), 97949#(<= ULTIMATE.start_main_~k~5 86), 97948#(<= ULTIMATE.start_main_~k~5 85), 97951#(<= ULTIMATE.start_main_~k~5 88), 97950#(<= ULTIMATE.start_main_~k~5 87), 97953#(<= ULTIMATE.start_main_~k~5 90), 97952#(<= ULTIMATE.start_main_~k~5 89), 97955#(<= ULTIMATE.start_main_~k~5 92), 97954#(<= ULTIMATE.start_main_~k~5 91), 97957#(<= ULTIMATE.start_main_~k~5 94), 97956#(<= ULTIMATE.start_main_~k~5 93), 97959#(<= ULTIMATE.start_main_~k~5 96), 97958#(<= ULTIMATE.start_main_~k~5 95), 97961#(<= ULTIMATE.start_main_~k~5 98), 97960#(<= ULTIMATE.start_main_~k~5 97), 97963#(<= ULTIMATE.start_main_~k~5 100), 97962#(<= ULTIMATE.start_main_~k~5 99), 97965#(<= ULTIMATE.start_main_~k~5 102), 97964#(<= ULTIMATE.start_main_~k~5 101), 97967#(<= ULTIMATE.start_main_~k~5 104), 97966#(<= ULTIMATE.start_main_~k~5 103), 97969#(<= ULTIMATE.start_main_~k~5 106), 97968#(<= ULTIMATE.start_main_~k~5 105), 97971#(<= ULTIMATE.start_main_~k~5 108), 97970#(<= ULTIMATE.start_main_~k~5 107), 97973#(<= ULTIMATE.start_main_~k~5 110), 97972#(<= ULTIMATE.start_main_~k~5 109), 97975#(<= ULTIMATE.start_main_~k~5 112), 97974#(<= ULTIMATE.start_main_~k~5 111), 97977#(<= ULTIMATE.start_main_~k~5 114), 97976#(<= ULTIMATE.start_main_~k~5 113), 97979#(<= ULTIMATE.start_main_~k~5 116), 97978#(<= ULTIMATE.start_main_~k~5 115), 97981#(<= ULTIMATE.start_main_~k~5 118), 97980#(<= ULTIMATE.start_main_~k~5 117), 97983#(<= ULTIMATE.start_main_~k~5 120), 97982#(<= ULTIMATE.start_main_~k~5 119), 97985#(<= ULTIMATE.start_main_~k~5 122), 97984#(<= ULTIMATE.start_main_~k~5 121), 97987#(<= ULTIMATE.start_main_~k~5 124), 97986#(<= ULTIMATE.start_main_~k~5 123), 97989#(<= ULTIMATE.start_main_~k~5 126), 97988#(<= ULTIMATE.start_main_~k~5 125), 97991#(<= ULTIMATE.start_main_~k~5 128), 97990#(<= ULTIMATE.start_main_~k~5 127), 97993#(<= ULTIMATE.start_main_~k~5 130), 97992#(<= ULTIMATE.start_main_~k~5 129), 97995#(<= ULTIMATE.start_main_~k~5 132), 97994#(<= ULTIMATE.start_main_~k~5 131), 97997#(<= ULTIMATE.start_main_~k~5 134), 97996#(<= ULTIMATE.start_main_~k~5 133), 97999#(<= ULTIMATE.start_main_~k~5 136), 97998#(<= ULTIMATE.start_main_~k~5 135), 98001#(<= ULTIMATE.start_main_~k~5 138), 98000#(<= ULTIMATE.start_main_~k~5 137), 98003#(<= ULTIMATE.start_main_~k~5 140), 98002#(<= ULTIMATE.start_main_~k~5 139), 98005#(<= ULTIMATE.start_main_~k~5 142), 98004#(<= ULTIMATE.start_main_~k~5 141), 98007#(<= ULTIMATE.start_main_~k~5 144), 98006#(<= ULTIMATE.start_main_~k~5 143), 98009#(<= ULTIMATE.start_main_~k~5 146), 98008#(<= ULTIMATE.start_main_~k~5 145), 98011#(<= ULTIMATE.start_main_~k~5 148), 98010#(<= ULTIMATE.start_main_~k~5 147), 98013#(<= ULTIMATE.start_main_~k~5 150), 98012#(<= ULTIMATE.start_main_~k~5 149), 98015#(<= ULTIMATE.start_main_~k~5 152), 98014#(<= ULTIMATE.start_main_~k~5 151), 98017#(<= ULTIMATE.start_main_~k~5 154), 98016#(<= ULTIMATE.start_main_~k~5 153), 98019#(<= ULTIMATE.start_main_~k~5 156), 98018#(<= ULTIMATE.start_main_~k~5 155), 98021#(<= ULTIMATE.start_main_~k~5 158), 98020#(<= ULTIMATE.start_main_~k~5 157), 98023#(<= ULTIMATE.start_main_~k~5 160), 98022#(<= ULTIMATE.start_main_~k~5 159), 98025#(<= ULTIMATE.start_main_~k~5 162), 98024#(<= ULTIMATE.start_main_~k~5 161), 98027#(<= ULTIMATE.start_main_~k~5 164), 98026#(<= ULTIMATE.start_main_~k~5 163), 98029#(<= ULTIMATE.start_main_~k~5 166), 98028#(<= ULTIMATE.start_main_~k~5 165), 98031#(<= ULTIMATE.start_main_~k~5 168), 98030#(<= ULTIMATE.start_main_~k~5 167), 98033#(<= ULTIMATE.start_main_~k~5 170), 98032#(<= ULTIMATE.start_main_~k~5 169), 98035#(<= ULTIMATE.start_main_~k~5 172), 98034#(<= ULTIMATE.start_main_~k~5 171), 98037#(<= ULTIMATE.start_main_~k~5 174), 98036#(<= ULTIMATE.start_main_~k~5 173), 98039#(<= ULTIMATE.start_main_~k~5 176), 98038#(<= ULTIMATE.start_main_~k~5 175), 98041#(<= ULTIMATE.start_main_~k~5 178), 98040#(<= ULTIMATE.start_main_~k~5 177), 98043#(<= ULTIMATE.start_main_~k~5 180), 98042#(<= ULTIMATE.start_main_~k~5 179), 98045#(<= ULTIMATE.start_main_~k~5 182), 98044#(<= ULTIMATE.start_main_~k~5 181), 98047#(<= ULTIMATE.start_main_~k~5 184), 98046#(<= ULTIMATE.start_main_~k~5 183), 98049#(<= ULTIMATE.start_main_~k~5 186), 98048#(<= ULTIMATE.start_main_~k~5 185), 98051#(<= ULTIMATE.start_main_~k~5 188), 98050#(<= ULTIMATE.start_main_~k~5 187), 98053#(<= ULTIMATE.start_main_~k~5 190), 98052#(<= ULTIMATE.start_main_~k~5 189), 98055#(<= ULTIMATE.start_main_~k~5 192), 98054#(<= ULTIMATE.start_main_~k~5 191), 98056#(<= ULTIMATE.start_main_~k~5 193)] [2018-07-23 13:42:32,912 INFO L134 CoverageAnalysis]: Checked inductivity of 18721 backedges. 0 proven. 18721 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2018-07-23 13:42:32,913 INFO L450 AbstractCegarLoop]: Interpolant automaton has 196 states [2018-07-23 13:42:32,915 INFO L132 InterpolantAutomaton]: Constructing interpolant automaton starting with 196 interpolants. [2018-07-23 13:42:32,916 INFO L133 InterpolantAutomaton]: CoverageRelationStatistics Valid=19110, Invalid=19110, Unknown=0, NotChecked=0, Total=38220 [2018-07-23 13:42:32,917 INFO L87 Difference]: Start difference. First operand 197 states and 197 transitions. Second operand 196 states. [2018-07-23 13:42:33,698 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2018-07-23 13:42:33,698 INFO L93 Difference]: Finished difference Result 200 states and 200 transitions. [2018-07-23 13:42:33,698 INFO L142 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 196 states. [2018-07-23 13:42:33,698 INFO L78 Accepts]: Start accepts. Automaton has 196 states. Word has length 196 [2018-07-23 13:42:33,699 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2018-07-23 13:42:33,699 INFO L225 Difference]: With dead ends: 200 [2018-07-23 13:42:33,699 INFO L226 Difference]: Without dead ends: 198 [2018-07-23 13:42:33,702 INFO L575 BasicCegarLoop]: 0 DeclaredPredicates, 195 GetRequests, 1 SyntacticMatches, 0 SemanticMatches, 194 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 0 ImplicationChecksByTransitivity, 0.8s TimeCoverageRelationStatistics Valid=19110, Invalid=19110, Unknown=0, NotChecked=0, Total=38220 [2018-07-23 13:42:33,702 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 198 states. [2018-07-23 13:42:33,705 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 198 to 198. [2018-07-23 13:42:33,705 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 198 states. [2018-07-23 13:42:33,706 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 198 states to 198 states and 198 transitions. [2018-07-23 13:42:33,706 INFO L78 Accepts]: Start accepts. Automaton has 198 states and 198 transitions. Word has length 196 [2018-07-23 13:42:33,706 INFO L84 Accepts]: Finished accepts. word is rejected. [2018-07-23 13:42:33,706 INFO L471 AbstractCegarLoop]: Abstraction has 198 states and 198 transitions. [2018-07-23 13:42:33,706 INFO L472 AbstractCegarLoop]: Interpolant automaton has 196 states. [2018-07-23 13:42:33,706 INFO L276 IsEmpty]: Start isEmpty. Operand 198 states and 198 transitions. [2018-07-23 13:42:33,707 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 198 [2018-07-23 13:42:33,707 INFO L349 BasicCegarLoop]: Found error trace [2018-07-23 13:42:33,707 INFO L357 BasicCegarLoop]: trace histogram [194, 1, 1, 1] [2018-07-23 13:42:33,707 INFO L414 AbstractCegarLoop]: === Iteration 195 === [ULTIMATE.startErr0AssertViolationASSERT]=== [2018-07-23 13:42:33,707 INFO L82 PathProgramCache]: Analyzing trace with hash 1396409889, now seen corresponding path program 194 times [2018-07-23 13:42:33,708 INFO L69 tionRefinementEngine]: Using refinement strategy FixedRefinementStrategy [2018-07-23 13:42:33,872 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-07-23 13:42:34,814 INFO L134 CoverageAnalysis]: Checked inductivity of 18915 backedges. 0 proven. 18915 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2018-07-23 13:42:34,814 INFO L309 seRefinementStrategy]: Constructing automaton from 0 perfect and 1 imperfect interpolant sequences. [2018-07-23 13:42:34,814 INFO L324 seRefinementStrategy]: Number of different interpolants: perfect sequences [] imperfect sequences [196] total 196 [2018-07-23 13:42:34,814 INFO L142 lantAutomatonBuilder]: Constructing canonical interpolant automaton, with selfloop in false state [2018-07-23 13:42:34,815 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2018-07-23 13:42:34,815 INFO L185 omatonBuilderFactory]: Interpolants [98853#true, 98855#(<= ULTIMATE.start_main_~k~5 0), 98854#false, 98857#(<= ULTIMATE.start_main_~k~5 2), 98856#(<= ULTIMATE.start_main_~k~5 1), 98859#(<= ULTIMATE.start_main_~k~5 4), 98858#(<= ULTIMATE.start_main_~k~5 3), 98861#(<= ULTIMATE.start_main_~k~5 6), 98860#(<= ULTIMATE.start_main_~k~5 5), 98863#(<= ULTIMATE.start_main_~k~5 8), 98862#(<= ULTIMATE.start_main_~k~5 7), 98865#(<= ULTIMATE.start_main_~k~5 10), 98864#(<= ULTIMATE.start_main_~k~5 9), 98867#(<= ULTIMATE.start_main_~k~5 12), 98866#(<= ULTIMATE.start_main_~k~5 11), 98869#(<= ULTIMATE.start_main_~k~5 14), 98868#(<= ULTIMATE.start_main_~k~5 13), 98871#(<= ULTIMATE.start_main_~k~5 16), 98870#(<= ULTIMATE.start_main_~k~5 15), 98873#(<= ULTIMATE.start_main_~k~5 18), 98872#(<= ULTIMATE.start_main_~k~5 17), 98875#(<= ULTIMATE.start_main_~k~5 20), 98874#(<= ULTIMATE.start_main_~k~5 19), 98877#(<= ULTIMATE.start_main_~k~5 22), 98876#(<= ULTIMATE.start_main_~k~5 21), 98879#(<= ULTIMATE.start_main_~k~5 24), 98878#(<= ULTIMATE.start_main_~k~5 23), 98881#(<= ULTIMATE.start_main_~k~5 26), 98880#(<= ULTIMATE.start_main_~k~5 25), 98883#(<= ULTIMATE.start_main_~k~5 28), 98882#(<= ULTIMATE.start_main_~k~5 27), 98885#(<= ULTIMATE.start_main_~k~5 30), 98884#(<= ULTIMATE.start_main_~k~5 29), 98887#(<= ULTIMATE.start_main_~k~5 32), 98886#(<= ULTIMATE.start_main_~k~5 31), 98889#(<= ULTIMATE.start_main_~k~5 34), 98888#(<= ULTIMATE.start_main_~k~5 33), 98891#(<= ULTIMATE.start_main_~k~5 36), 98890#(<= ULTIMATE.start_main_~k~5 35), 98893#(<= ULTIMATE.start_main_~k~5 38), 98892#(<= ULTIMATE.start_main_~k~5 37), 98895#(<= ULTIMATE.start_main_~k~5 40), 98894#(<= ULTIMATE.start_main_~k~5 39), 98897#(<= ULTIMATE.start_main_~k~5 42), 98896#(<= ULTIMATE.start_main_~k~5 41), 98899#(<= ULTIMATE.start_main_~k~5 44), 98898#(<= ULTIMATE.start_main_~k~5 43), 98901#(<= ULTIMATE.start_main_~k~5 46), 98900#(<= ULTIMATE.start_main_~k~5 45), 98903#(<= ULTIMATE.start_main_~k~5 48), 98902#(<= ULTIMATE.start_main_~k~5 47), 98905#(<= ULTIMATE.start_main_~k~5 50), 98904#(<= ULTIMATE.start_main_~k~5 49), 98907#(<= ULTIMATE.start_main_~k~5 52), 98906#(<= ULTIMATE.start_main_~k~5 51), 98909#(<= ULTIMATE.start_main_~k~5 54), 98908#(<= ULTIMATE.start_main_~k~5 53), 98911#(<= ULTIMATE.start_main_~k~5 56), 98910#(<= ULTIMATE.start_main_~k~5 55), 98913#(<= ULTIMATE.start_main_~k~5 58), 98912#(<= ULTIMATE.start_main_~k~5 57), 98915#(<= ULTIMATE.start_main_~k~5 60), 98914#(<= ULTIMATE.start_main_~k~5 59), 98917#(<= ULTIMATE.start_main_~k~5 62), 98916#(<= ULTIMATE.start_main_~k~5 61), 98919#(<= ULTIMATE.start_main_~k~5 64), 98918#(<= ULTIMATE.start_main_~k~5 63), 98921#(<= ULTIMATE.start_main_~k~5 66), 98920#(<= ULTIMATE.start_main_~k~5 65), 98923#(<= ULTIMATE.start_main_~k~5 68), 98922#(<= ULTIMATE.start_main_~k~5 67), 98925#(<= ULTIMATE.start_main_~k~5 70), 98924#(<= ULTIMATE.start_main_~k~5 69), 98927#(<= ULTIMATE.start_main_~k~5 72), 98926#(<= ULTIMATE.start_main_~k~5 71), 98929#(<= ULTIMATE.start_main_~k~5 74), 98928#(<= ULTIMATE.start_main_~k~5 73), 98931#(<= ULTIMATE.start_main_~k~5 76), 98930#(<= ULTIMATE.start_main_~k~5 75), 98933#(<= ULTIMATE.start_main_~k~5 78), 98932#(<= ULTIMATE.start_main_~k~5 77), 98935#(<= ULTIMATE.start_main_~k~5 80), 98934#(<= ULTIMATE.start_main_~k~5 79), 98937#(<= ULTIMATE.start_main_~k~5 82), 98936#(<= ULTIMATE.start_main_~k~5 81), 98939#(<= ULTIMATE.start_main_~k~5 84), 98938#(<= ULTIMATE.start_main_~k~5 83), 98941#(<= ULTIMATE.start_main_~k~5 86), 98940#(<= ULTIMATE.start_main_~k~5 85), 98943#(<= ULTIMATE.start_main_~k~5 88), 98942#(<= ULTIMATE.start_main_~k~5 87), 98945#(<= ULTIMATE.start_main_~k~5 90), 98944#(<= ULTIMATE.start_main_~k~5 89), 98947#(<= ULTIMATE.start_main_~k~5 92), 98946#(<= ULTIMATE.start_main_~k~5 91), 98949#(<= ULTIMATE.start_main_~k~5 94), 98948#(<= ULTIMATE.start_main_~k~5 93), 98951#(<= ULTIMATE.start_main_~k~5 96), 98950#(<= ULTIMATE.start_main_~k~5 95), 98953#(<= ULTIMATE.start_main_~k~5 98), 98952#(<= ULTIMATE.start_main_~k~5 97), 98955#(<= ULTIMATE.start_main_~k~5 100), 98954#(<= ULTIMATE.start_main_~k~5 99), 98957#(<= ULTIMATE.start_main_~k~5 102), 98956#(<= ULTIMATE.start_main_~k~5 101), 98959#(<= ULTIMATE.start_main_~k~5 104), 98958#(<= ULTIMATE.start_main_~k~5 103), 98961#(<= ULTIMATE.start_main_~k~5 106), 98960#(<= ULTIMATE.start_main_~k~5 105), 98963#(<= ULTIMATE.start_main_~k~5 108), 98962#(<= ULTIMATE.start_main_~k~5 107), 98965#(<= ULTIMATE.start_main_~k~5 110), 98964#(<= ULTIMATE.start_main_~k~5 109), 98967#(<= ULTIMATE.start_main_~k~5 112), 98966#(<= ULTIMATE.start_main_~k~5 111), 98969#(<= ULTIMATE.start_main_~k~5 114), 98968#(<= ULTIMATE.start_main_~k~5 113), 98971#(<= ULTIMATE.start_main_~k~5 116), 98970#(<= ULTIMATE.start_main_~k~5 115), 98973#(<= ULTIMATE.start_main_~k~5 118), 98972#(<= ULTIMATE.start_main_~k~5 117), 98975#(<= ULTIMATE.start_main_~k~5 120), 98974#(<= ULTIMATE.start_main_~k~5 119), 98977#(<= ULTIMATE.start_main_~k~5 122), 98976#(<= ULTIMATE.start_main_~k~5 121), 98979#(<= ULTIMATE.start_main_~k~5 124), 98978#(<= ULTIMATE.start_main_~k~5 123), 98981#(<= ULTIMATE.start_main_~k~5 126), 98980#(<= ULTIMATE.start_main_~k~5 125), 98983#(<= ULTIMATE.start_main_~k~5 128), 98982#(<= ULTIMATE.start_main_~k~5 127), 98985#(<= ULTIMATE.start_main_~k~5 130), 98984#(<= ULTIMATE.start_main_~k~5 129), 98987#(<= ULTIMATE.start_main_~k~5 132), 98986#(<= ULTIMATE.start_main_~k~5 131), 98989#(<= ULTIMATE.start_main_~k~5 134), 98988#(<= ULTIMATE.start_main_~k~5 133), 98991#(<= ULTIMATE.start_main_~k~5 136), 98990#(<= ULTIMATE.start_main_~k~5 135), 98993#(<= ULTIMATE.start_main_~k~5 138), 98992#(<= ULTIMATE.start_main_~k~5 137), 98995#(<= ULTIMATE.start_main_~k~5 140), 98994#(<= ULTIMATE.start_main_~k~5 139), 98997#(<= ULTIMATE.start_main_~k~5 142), 98996#(<= ULTIMATE.start_main_~k~5 141), 98999#(<= ULTIMATE.start_main_~k~5 144), 98998#(<= ULTIMATE.start_main_~k~5 143), 99001#(<= ULTIMATE.start_main_~k~5 146), 99000#(<= ULTIMATE.start_main_~k~5 145), 99003#(<= ULTIMATE.start_main_~k~5 148), 99002#(<= ULTIMATE.start_main_~k~5 147), 99005#(<= ULTIMATE.start_main_~k~5 150), 99004#(<= ULTIMATE.start_main_~k~5 149), 99007#(<= ULTIMATE.start_main_~k~5 152), 99006#(<= ULTIMATE.start_main_~k~5 151), 99009#(<= ULTIMATE.start_main_~k~5 154), 99008#(<= ULTIMATE.start_main_~k~5 153), 99011#(<= ULTIMATE.start_main_~k~5 156), 99010#(<= ULTIMATE.start_main_~k~5 155), 99013#(<= ULTIMATE.start_main_~k~5 158), 99012#(<= ULTIMATE.start_main_~k~5 157), 99015#(<= ULTIMATE.start_main_~k~5 160), 99014#(<= ULTIMATE.start_main_~k~5 159), 99017#(<= ULTIMATE.start_main_~k~5 162), 99016#(<= ULTIMATE.start_main_~k~5 161), 99019#(<= ULTIMATE.start_main_~k~5 164), 99018#(<= ULTIMATE.start_main_~k~5 163), 99021#(<= ULTIMATE.start_main_~k~5 166), 99020#(<= ULTIMATE.start_main_~k~5 165), 99023#(<= ULTIMATE.start_main_~k~5 168), 99022#(<= ULTIMATE.start_main_~k~5 167), 99025#(<= ULTIMATE.start_main_~k~5 170), 99024#(<= ULTIMATE.start_main_~k~5 169), 99027#(<= ULTIMATE.start_main_~k~5 172), 99026#(<= ULTIMATE.start_main_~k~5 171), 99029#(<= ULTIMATE.start_main_~k~5 174), 99028#(<= ULTIMATE.start_main_~k~5 173), 99031#(<= ULTIMATE.start_main_~k~5 176), 99030#(<= ULTIMATE.start_main_~k~5 175), 99033#(<= ULTIMATE.start_main_~k~5 178), 99032#(<= ULTIMATE.start_main_~k~5 177), 99035#(<= ULTIMATE.start_main_~k~5 180), 99034#(<= ULTIMATE.start_main_~k~5 179), 99037#(<= ULTIMATE.start_main_~k~5 182), 99036#(<= ULTIMATE.start_main_~k~5 181), 99039#(<= ULTIMATE.start_main_~k~5 184), 99038#(<= ULTIMATE.start_main_~k~5 183), 99041#(<= ULTIMATE.start_main_~k~5 186), 99040#(<= ULTIMATE.start_main_~k~5 185), 99043#(<= ULTIMATE.start_main_~k~5 188), 99042#(<= ULTIMATE.start_main_~k~5 187), 99045#(<= ULTIMATE.start_main_~k~5 190), 99044#(<= ULTIMATE.start_main_~k~5 189), 99047#(<= ULTIMATE.start_main_~k~5 192), 99046#(<= ULTIMATE.start_main_~k~5 191), 99049#(<= ULTIMATE.start_main_~k~5 194), 99048#(<= ULTIMATE.start_main_~k~5 193)] [2018-07-23 13:42:34,816 INFO L134 CoverageAnalysis]: Checked inductivity of 18915 backedges. 0 proven. 18915 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2018-07-23 13:42:34,816 INFO L450 AbstractCegarLoop]: Interpolant automaton has 197 states [2018-07-23 13:42:34,819 INFO L132 InterpolantAutomaton]: Constructing interpolant automaton starting with 197 interpolants. [2018-07-23 13:42:34,820 INFO L133 InterpolantAutomaton]: CoverageRelationStatistics Valid=19306, Invalid=19306, Unknown=0, NotChecked=0, Total=38612 [2018-07-23 13:42:34,820 INFO L87 Difference]: Start difference. First operand 198 states and 198 transitions. Second operand 197 states. [2018-07-23 13:42:35,706 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2018-07-23 13:42:35,706 INFO L93 Difference]: Finished difference Result 201 states and 201 transitions. [2018-07-23 13:42:35,706 INFO L142 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 197 states. [2018-07-23 13:42:35,707 INFO L78 Accepts]: Start accepts. Automaton has 197 states. Word has length 197 [2018-07-23 13:42:35,707 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2018-07-23 13:42:35,707 INFO L225 Difference]: With dead ends: 201 [2018-07-23 13:42:35,707 INFO L226 Difference]: Without dead ends: 199 [2018-07-23 13:42:35,710 INFO L575 BasicCegarLoop]: 0 DeclaredPredicates, 196 GetRequests, 1 SyntacticMatches, 0 SemanticMatches, 195 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 0 ImplicationChecksByTransitivity, 0.8s TimeCoverageRelationStatistics Valid=19306, Invalid=19306, Unknown=0, NotChecked=0, Total=38612 [2018-07-23 13:42:35,710 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 199 states. [2018-07-23 13:42:35,712 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 199 to 199. [2018-07-23 13:42:35,712 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 199 states. [2018-07-23 13:42:35,712 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 199 states to 199 states and 199 transitions. [2018-07-23 13:42:35,712 INFO L78 Accepts]: Start accepts. Automaton has 199 states and 199 transitions. Word has length 197 [2018-07-23 13:42:35,712 INFO L84 Accepts]: Finished accepts. word is rejected. [2018-07-23 13:42:35,712 INFO L471 AbstractCegarLoop]: Abstraction has 199 states and 199 transitions. [2018-07-23 13:42:35,712 INFO L472 AbstractCegarLoop]: Interpolant automaton has 197 states. [2018-07-23 13:42:35,712 INFO L276 IsEmpty]: Start isEmpty. Operand 199 states and 199 transitions. [2018-07-23 13:42:35,713 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 199 [2018-07-23 13:42:35,713 INFO L349 BasicCegarLoop]: Found error trace [2018-07-23 13:42:35,713 INFO L357 BasicCegarLoop]: trace histogram [195, 1, 1, 1] [2018-07-23 13:42:35,713 INFO L414 AbstractCegarLoop]: === Iteration 196 === [ULTIMATE.startErr0AssertViolationASSERT]=== [2018-07-23 13:42:35,713 INFO L82 PathProgramCache]: Analyzing trace with hash 339031624, now seen corresponding path program 195 times [2018-07-23 13:42:35,713 INFO L69 tionRefinementEngine]: Using refinement strategy FixedRefinementStrategy [2018-07-23 13:42:35,796 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-07-23 13:42:36,716 INFO L134 CoverageAnalysis]: Checked inductivity of 19110 backedges. 0 proven. 19110 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2018-07-23 13:42:36,716 INFO L309 seRefinementStrategy]: Constructing automaton from 0 perfect and 1 imperfect interpolant sequences. [2018-07-23 13:42:36,716 INFO L324 seRefinementStrategy]: Number of different interpolants: perfect sequences [] imperfect sequences [197] total 197 [2018-07-23 13:42:36,716 INFO L142 lantAutomatonBuilder]: Constructing canonical interpolant automaton, with selfloop in false state [2018-07-23 13:42:36,716 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2018-07-23 13:42:36,717 INFO L185 omatonBuilderFactory]: Interpolants [99851#false, 99850#true, 99853#(<= ULTIMATE.start_main_~k~5 1), 99852#(<= ULTIMATE.start_main_~k~5 0), 99855#(<= ULTIMATE.start_main_~k~5 3), 99854#(<= ULTIMATE.start_main_~k~5 2), 99857#(<= ULTIMATE.start_main_~k~5 5), 99856#(<= ULTIMATE.start_main_~k~5 4), 99859#(<= ULTIMATE.start_main_~k~5 7), 99858#(<= ULTIMATE.start_main_~k~5 6), 99861#(<= ULTIMATE.start_main_~k~5 9), 99860#(<= ULTIMATE.start_main_~k~5 8), 99863#(<= ULTIMATE.start_main_~k~5 11), 99862#(<= ULTIMATE.start_main_~k~5 10), 99865#(<= ULTIMATE.start_main_~k~5 13), 99864#(<= ULTIMATE.start_main_~k~5 12), 99867#(<= ULTIMATE.start_main_~k~5 15), 99866#(<= ULTIMATE.start_main_~k~5 14), 99869#(<= ULTIMATE.start_main_~k~5 17), 99868#(<= ULTIMATE.start_main_~k~5 16), 99871#(<= ULTIMATE.start_main_~k~5 19), 99870#(<= ULTIMATE.start_main_~k~5 18), 99873#(<= ULTIMATE.start_main_~k~5 21), 99872#(<= ULTIMATE.start_main_~k~5 20), 99875#(<= ULTIMATE.start_main_~k~5 23), 99874#(<= ULTIMATE.start_main_~k~5 22), 99877#(<= ULTIMATE.start_main_~k~5 25), 99876#(<= ULTIMATE.start_main_~k~5 24), 99879#(<= ULTIMATE.start_main_~k~5 27), 99878#(<= ULTIMATE.start_main_~k~5 26), 99881#(<= ULTIMATE.start_main_~k~5 29), 99880#(<= ULTIMATE.start_main_~k~5 28), 99883#(<= ULTIMATE.start_main_~k~5 31), 99882#(<= ULTIMATE.start_main_~k~5 30), 99885#(<= ULTIMATE.start_main_~k~5 33), 99884#(<= ULTIMATE.start_main_~k~5 32), 99887#(<= ULTIMATE.start_main_~k~5 35), 99886#(<= ULTIMATE.start_main_~k~5 34), 99889#(<= ULTIMATE.start_main_~k~5 37), 99888#(<= ULTIMATE.start_main_~k~5 36), 99891#(<= ULTIMATE.start_main_~k~5 39), 99890#(<= ULTIMATE.start_main_~k~5 38), 99893#(<= ULTIMATE.start_main_~k~5 41), 99892#(<= ULTIMATE.start_main_~k~5 40), 99895#(<= ULTIMATE.start_main_~k~5 43), 99894#(<= ULTIMATE.start_main_~k~5 42), 99897#(<= ULTIMATE.start_main_~k~5 45), 99896#(<= ULTIMATE.start_main_~k~5 44), 99899#(<= ULTIMATE.start_main_~k~5 47), 99898#(<= ULTIMATE.start_main_~k~5 46), 99901#(<= ULTIMATE.start_main_~k~5 49), 99900#(<= ULTIMATE.start_main_~k~5 48), 99903#(<= ULTIMATE.start_main_~k~5 51), 99902#(<= ULTIMATE.start_main_~k~5 50), 99905#(<= ULTIMATE.start_main_~k~5 53), 99904#(<= ULTIMATE.start_main_~k~5 52), 99907#(<= ULTIMATE.start_main_~k~5 55), 99906#(<= ULTIMATE.start_main_~k~5 54), 99909#(<= ULTIMATE.start_main_~k~5 57), 99908#(<= ULTIMATE.start_main_~k~5 56), 99911#(<= ULTIMATE.start_main_~k~5 59), 99910#(<= ULTIMATE.start_main_~k~5 58), 99913#(<= ULTIMATE.start_main_~k~5 61), 99912#(<= ULTIMATE.start_main_~k~5 60), 99915#(<= ULTIMATE.start_main_~k~5 63), 99914#(<= ULTIMATE.start_main_~k~5 62), 99917#(<= ULTIMATE.start_main_~k~5 65), 99916#(<= ULTIMATE.start_main_~k~5 64), 99919#(<= ULTIMATE.start_main_~k~5 67), 99918#(<= ULTIMATE.start_main_~k~5 66), 99921#(<= ULTIMATE.start_main_~k~5 69), 99920#(<= ULTIMATE.start_main_~k~5 68), 99923#(<= ULTIMATE.start_main_~k~5 71), 99922#(<= ULTIMATE.start_main_~k~5 70), 99925#(<= ULTIMATE.start_main_~k~5 73), 99924#(<= ULTIMATE.start_main_~k~5 72), 99927#(<= ULTIMATE.start_main_~k~5 75), 99926#(<= ULTIMATE.start_main_~k~5 74), 99929#(<= ULTIMATE.start_main_~k~5 77), 99928#(<= ULTIMATE.start_main_~k~5 76), 99931#(<= ULTIMATE.start_main_~k~5 79), 99930#(<= ULTIMATE.start_main_~k~5 78), 99933#(<= ULTIMATE.start_main_~k~5 81), 99932#(<= ULTIMATE.start_main_~k~5 80), 99935#(<= ULTIMATE.start_main_~k~5 83), 99934#(<= ULTIMATE.start_main_~k~5 82), 99937#(<= ULTIMATE.start_main_~k~5 85), 99936#(<= ULTIMATE.start_main_~k~5 84), 99939#(<= ULTIMATE.start_main_~k~5 87), 99938#(<= ULTIMATE.start_main_~k~5 86), 99941#(<= ULTIMATE.start_main_~k~5 89), 99940#(<= ULTIMATE.start_main_~k~5 88), 99943#(<= ULTIMATE.start_main_~k~5 91), 99942#(<= ULTIMATE.start_main_~k~5 90), 99945#(<= ULTIMATE.start_main_~k~5 93), 99944#(<= ULTIMATE.start_main_~k~5 92), 99947#(<= ULTIMATE.start_main_~k~5 95), 99946#(<= ULTIMATE.start_main_~k~5 94), 99949#(<= ULTIMATE.start_main_~k~5 97), 99948#(<= ULTIMATE.start_main_~k~5 96), 99951#(<= ULTIMATE.start_main_~k~5 99), 99950#(<= ULTIMATE.start_main_~k~5 98), 99953#(<= ULTIMATE.start_main_~k~5 101), 99952#(<= ULTIMATE.start_main_~k~5 100), 99955#(<= ULTIMATE.start_main_~k~5 103), 99954#(<= ULTIMATE.start_main_~k~5 102), 99957#(<= ULTIMATE.start_main_~k~5 105), 99956#(<= ULTIMATE.start_main_~k~5 104), 99959#(<= ULTIMATE.start_main_~k~5 107), 99958#(<= ULTIMATE.start_main_~k~5 106), 99961#(<= ULTIMATE.start_main_~k~5 109), 99960#(<= ULTIMATE.start_main_~k~5 108), 99963#(<= ULTIMATE.start_main_~k~5 111), 99962#(<= ULTIMATE.start_main_~k~5 110), 99965#(<= ULTIMATE.start_main_~k~5 113), 99964#(<= ULTIMATE.start_main_~k~5 112), 99967#(<= ULTIMATE.start_main_~k~5 115), 99966#(<= ULTIMATE.start_main_~k~5 114), 99969#(<= ULTIMATE.start_main_~k~5 117), 99968#(<= ULTIMATE.start_main_~k~5 116), 99971#(<= ULTIMATE.start_main_~k~5 119), 99970#(<= ULTIMATE.start_main_~k~5 118), 99973#(<= ULTIMATE.start_main_~k~5 121), 99972#(<= ULTIMATE.start_main_~k~5 120), 99975#(<= ULTIMATE.start_main_~k~5 123), 99974#(<= ULTIMATE.start_main_~k~5 122), 99977#(<= ULTIMATE.start_main_~k~5 125), 99976#(<= ULTIMATE.start_main_~k~5 124), 99979#(<= ULTIMATE.start_main_~k~5 127), 99978#(<= ULTIMATE.start_main_~k~5 126), 99981#(<= ULTIMATE.start_main_~k~5 129), 99980#(<= ULTIMATE.start_main_~k~5 128), 99983#(<= ULTIMATE.start_main_~k~5 131), 99982#(<= ULTIMATE.start_main_~k~5 130), 99985#(<= ULTIMATE.start_main_~k~5 133), 99984#(<= ULTIMATE.start_main_~k~5 132), 99987#(<= ULTIMATE.start_main_~k~5 135), 99986#(<= ULTIMATE.start_main_~k~5 134), 99989#(<= ULTIMATE.start_main_~k~5 137), 99988#(<= ULTIMATE.start_main_~k~5 136), 99991#(<= ULTIMATE.start_main_~k~5 139), 99990#(<= ULTIMATE.start_main_~k~5 138), 99993#(<= ULTIMATE.start_main_~k~5 141), 99992#(<= ULTIMATE.start_main_~k~5 140), 99995#(<= ULTIMATE.start_main_~k~5 143), 99994#(<= ULTIMATE.start_main_~k~5 142), 99997#(<= ULTIMATE.start_main_~k~5 145), 99996#(<= ULTIMATE.start_main_~k~5 144), 99999#(<= ULTIMATE.start_main_~k~5 147), 99998#(<= ULTIMATE.start_main_~k~5 146), 100001#(<= ULTIMATE.start_main_~k~5 149), 100000#(<= ULTIMATE.start_main_~k~5 148), 100003#(<= ULTIMATE.start_main_~k~5 151), 100002#(<= ULTIMATE.start_main_~k~5 150), 100005#(<= ULTIMATE.start_main_~k~5 153), 100004#(<= ULTIMATE.start_main_~k~5 152), 100007#(<= ULTIMATE.start_main_~k~5 155), 100006#(<= ULTIMATE.start_main_~k~5 154), 100009#(<= ULTIMATE.start_main_~k~5 157), 100008#(<= ULTIMATE.start_main_~k~5 156), 100011#(<= ULTIMATE.start_main_~k~5 159), 100010#(<= ULTIMATE.start_main_~k~5 158), 100013#(<= ULTIMATE.start_main_~k~5 161), 100012#(<= ULTIMATE.start_main_~k~5 160), 100015#(<= ULTIMATE.start_main_~k~5 163), 100014#(<= ULTIMATE.start_main_~k~5 162), 100017#(<= ULTIMATE.start_main_~k~5 165), 100016#(<= ULTIMATE.start_main_~k~5 164), 100019#(<= ULTIMATE.start_main_~k~5 167), 100018#(<= ULTIMATE.start_main_~k~5 166), 100021#(<= ULTIMATE.start_main_~k~5 169), 100020#(<= ULTIMATE.start_main_~k~5 168), 100023#(<= ULTIMATE.start_main_~k~5 171), 100022#(<= ULTIMATE.start_main_~k~5 170), 100025#(<= ULTIMATE.start_main_~k~5 173), 100024#(<= ULTIMATE.start_main_~k~5 172), 100027#(<= ULTIMATE.start_main_~k~5 175), 100026#(<= ULTIMATE.start_main_~k~5 174), 100029#(<= ULTIMATE.start_main_~k~5 177), 100028#(<= ULTIMATE.start_main_~k~5 176), 100031#(<= ULTIMATE.start_main_~k~5 179), 100030#(<= ULTIMATE.start_main_~k~5 178), 100033#(<= ULTIMATE.start_main_~k~5 181), 100032#(<= ULTIMATE.start_main_~k~5 180), 100035#(<= ULTIMATE.start_main_~k~5 183), 100034#(<= ULTIMATE.start_main_~k~5 182), 100037#(<= ULTIMATE.start_main_~k~5 185), 100036#(<= ULTIMATE.start_main_~k~5 184), 100039#(<= ULTIMATE.start_main_~k~5 187), 100038#(<= ULTIMATE.start_main_~k~5 186), 100041#(<= ULTIMATE.start_main_~k~5 189), 100040#(<= ULTIMATE.start_main_~k~5 188), 100043#(<= ULTIMATE.start_main_~k~5 191), 100042#(<= ULTIMATE.start_main_~k~5 190), 100045#(<= ULTIMATE.start_main_~k~5 193), 100044#(<= ULTIMATE.start_main_~k~5 192), 100047#(<= ULTIMATE.start_main_~k~5 195), 100046#(<= ULTIMATE.start_main_~k~5 194)] [2018-07-23 13:42:36,718 INFO L134 CoverageAnalysis]: Checked inductivity of 19110 backedges. 0 proven. 19110 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2018-07-23 13:42:36,718 INFO L450 AbstractCegarLoop]: Interpolant automaton has 198 states [2018-07-23 13:42:36,719 INFO L132 InterpolantAutomaton]: Constructing interpolant automaton starting with 198 interpolants. [2018-07-23 13:42:36,720 INFO L133 InterpolantAutomaton]: CoverageRelationStatistics Valid=19503, Invalid=19503, Unknown=0, NotChecked=0, Total=39006 [2018-07-23 13:42:36,720 INFO L87 Difference]: Start difference. First operand 199 states and 199 transitions. Second operand 198 states. [2018-07-23 13:42:37,671 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2018-07-23 13:42:37,672 INFO L93 Difference]: Finished difference Result 202 states and 202 transitions. [2018-07-23 13:42:37,672 INFO L142 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 198 states. [2018-07-23 13:42:37,672 INFO L78 Accepts]: Start accepts. Automaton has 198 states. Word has length 198 [2018-07-23 13:42:37,672 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2018-07-23 13:42:37,672 INFO L225 Difference]: With dead ends: 202 [2018-07-23 13:42:37,672 INFO L226 Difference]: Without dead ends: 200 [2018-07-23 13:42:37,674 INFO L575 BasicCegarLoop]: 0 DeclaredPredicates, 197 GetRequests, 1 SyntacticMatches, 0 SemanticMatches, 196 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 0 ImplicationChecksByTransitivity, 0.8s TimeCoverageRelationStatistics Valid=19503, Invalid=19503, Unknown=0, NotChecked=0, Total=39006 [2018-07-23 13:42:37,674 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 200 states. [2018-07-23 13:42:37,675 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 200 to 200. [2018-07-23 13:42:37,676 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 200 states. [2018-07-23 13:42:37,676 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 200 states to 200 states and 200 transitions. [2018-07-23 13:42:37,676 INFO L78 Accepts]: Start accepts. Automaton has 200 states and 200 transitions. Word has length 198 [2018-07-23 13:42:37,676 INFO L84 Accepts]: Finished accepts. word is rejected. [2018-07-23 13:42:37,676 INFO L471 AbstractCegarLoop]: Abstraction has 200 states and 200 transitions. [2018-07-23 13:42:37,676 INFO L472 AbstractCegarLoop]: Interpolant automaton has 198 states. [2018-07-23 13:42:37,676 INFO L276 IsEmpty]: Start isEmpty. Operand 200 states and 200 transitions. [2018-07-23 13:42:37,677 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 200 [2018-07-23 13:42:37,677 INFO L349 BasicCegarLoop]: Found error trace [2018-07-23 13:42:37,677 INFO L357 BasicCegarLoop]: trace histogram [196, 1, 1, 1] [2018-07-23 13:42:37,677 INFO L414 AbstractCegarLoop]: === Iteration 197 === [ULTIMATE.startErr0AssertViolationASSERT]=== [2018-07-23 13:42:37,677 INFO L82 PathProgramCache]: Analyzing trace with hash 1920043777, now seen corresponding path program 196 times [2018-07-23 13:42:37,677 INFO L69 tionRefinementEngine]: Using refinement strategy FixedRefinementStrategy [2018-07-23 13:42:37,758 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-07-23 13:42:38,659 INFO L134 CoverageAnalysis]: Checked inductivity of 19306 backedges. 0 proven. 19306 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2018-07-23 13:42:38,659 INFO L309 seRefinementStrategy]: Constructing automaton from 0 perfect and 1 imperfect interpolant sequences. [2018-07-23 13:42:38,659 INFO L324 seRefinementStrategy]: Number of different interpolants: perfect sequences [] imperfect sequences [198] total 198 [2018-07-23 13:42:38,660 INFO L142 lantAutomatonBuilder]: Constructing canonical interpolant automaton, with selfloop in false state [2018-07-23 13:42:38,660 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2018-07-23 13:42:38,660 INFO L185 omatonBuilderFactory]: Interpolants [100865#(<= ULTIMATE.start_main_~k~5 11), 100864#(<= ULTIMATE.start_main_~k~5 10), 100867#(<= ULTIMATE.start_main_~k~5 13), 100866#(<= ULTIMATE.start_main_~k~5 12), 100869#(<= ULTIMATE.start_main_~k~5 15), 100868#(<= ULTIMATE.start_main_~k~5 14), 100871#(<= ULTIMATE.start_main_~k~5 17), 100870#(<= ULTIMATE.start_main_~k~5 16), 100873#(<= ULTIMATE.start_main_~k~5 19), 100872#(<= ULTIMATE.start_main_~k~5 18), 100875#(<= ULTIMATE.start_main_~k~5 21), 100874#(<= ULTIMATE.start_main_~k~5 20), 100877#(<= ULTIMATE.start_main_~k~5 23), 100876#(<= ULTIMATE.start_main_~k~5 22), 100879#(<= ULTIMATE.start_main_~k~5 25), 100878#(<= ULTIMATE.start_main_~k~5 24), 100881#(<= ULTIMATE.start_main_~k~5 27), 100880#(<= ULTIMATE.start_main_~k~5 26), 100883#(<= ULTIMATE.start_main_~k~5 29), 100882#(<= ULTIMATE.start_main_~k~5 28), 100885#(<= ULTIMATE.start_main_~k~5 31), 100884#(<= ULTIMATE.start_main_~k~5 30), 100887#(<= ULTIMATE.start_main_~k~5 33), 100886#(<= ULTIMATE.start_main_~k~5 32), 100889#(<= ULTIMATE.start_main_~k~5 35), 100888#(<= ULTIMATE.start_main_~k~5 34), 100891#(<= ULTIMATE.start_main_~k~5 37), 100890#(<= ULTIMATE.start_main_~k~5 36), 100893#(<= ULTIMATE.start_main_~k~5 39), 100892#(<= ULTIMATE.start_main_~k~5 38), 100895#(<= ULTIMATE.start_main_~k~5 41), 100894#(<= ULTIMATE.start_main_~k~5 40), 100897#(<= ULTIMATE.start_main_~k~5 43), 100896#(<= ULTIMATE.start_main_~k~5 42), 100899#(<= ULTIMATE.start_main_~k~5 45), 100898#(<= ULTIMATE.start_main_~k~5 44), 100901#(<= ULTIMATE.start_main_~k~5 47), 100900#(<= ULTIMATE.start_main_~k~5 46), 100903#(<= ULTIMATE.start_main_~k~5 49), 100902#(<= ULTIMATE.start_main_~k~5 48), 100905#(<= ULTIMATE.start_main_~k~5 51), 100904#(<= ULTIMATE.start_main_~k~5 50), 100907#(<= ULTIMATE.start_main_~k~5 53), 100906#(<= ULTIMATE.start_main_~k~5 52), 100909#(<= ULTIMATE.start_main_~k~5 55), 100908#(<= ULTIMATE.start_main_~k~5 54), 100911#(<= ULTIMATE.start_main_~k~5 57), 100910#(<= ULTIMATE.start_main_~k~5 56), 100913#(<= ULTIMATE.start_main_~k~5 59), 100912#(<= ULTIMATE.start_main_~k~5 58), 100915#(<= ULTIMATE.start_main_~k~5 61), 100914#(<= ULTIMATE.start_main_~k~5 60), 100917#(<= ULTIMATE.start_main_~k~5 63), 100916#(<= ULTIMATE.start_main_~k~5 62), 100919#(<= ULTIMATE.start_main_~k~5 65), 100918#(<= ULTIMATE.start_main_~k~5 64), 100921#(<= ULTIMATE.start_main_~k~5 67), 100920#(<= ULTIMATE.start_main_~k~5 66), 100923#(<= ULTIMATE.start_main_~k~5 69), 100922#(<= ULTIMATE.start_main_~k~5 68), 100925#(<= ULTIMATE.start_main_~k~5 71), 100924#(<= ULTIMATE.start_main_~k~5 70), 100927#(<= ULTIMATE.start_main_~k~5 73), 100926#(<= ULTIMATE.start_main_~k~5 72), 100929#(<= ULTIMATE.start_main_~k~5 75), 100928#(<= ULTIMATE.start_main_~k~5 74), 100931#(<= ULTIMATE.start_main_~k~5 77), 100930#(<= ULTIMATE.start_main_~k~5 76), 100933#(<= ULTIMATE.start_main_~k~5 79), 100932#(<= ULTIMATE.start_main_~k~5 78), 100935#(<= ULTIMATE.start_main_~k~5 81), 100934#(<= ULTIMATE.start_main_~k~5 80), 100937#(<= ULTIMATE.start_main_~k~5 83), 100936#(<= ULTIMATE.start_main_~k~5 82), 100939#(<= ULTIMATE.start_main_~k~5 85), 100938#(<= ULTIMATE.start_main_~k~5 84), 100941#(<= ULTIMATE.start_main_~k~5 87), 100940#(<= ULTIMATE.start_main_~k~5 86), 100943#(<= ULTIMATE.start_main_~k~5 89), 100942#(<= ULTIMATE.start_main_~k~5 88), 100945#(<= ULTIMATE.start_main_~k~5 91), 100944#(<= ULTIMATE.start_main_~k~5 90), 100947#(<= ULTIMATE.start_main_~k~5 93), 100946#(<= ULTIMATE.start_main_~k~5 92), 100949#(<= ULTIMATE.start_main_~k~5 95), 100948#(<= ULTIMATE.start_main_~k~5 94), 100951#(<= ULTIMATE.start_main_~k~5 97), 100950#(<= ULTIMATE.start_main_~k~5 96), 100953#(<= ULTIMATE.start_main_~k~5 99), 100952#(<= ULTIMATE.start_main_~k~5 98), 100955#(<= ULTIMATE.start_main_~k~5 101), 100954#(<= ULTIMATE.start_main_~k~5 100), 100957#(<= ULTIMATE.start_main_~k~5 103), 100956#(<= ULTIMATE.start_main_~k~5 102), 100959#(<= ULTIMATE.start_main_~k~5 105), 100958#(<= ULTIMATE.start_main_~k~5 104), 100961#(<= ULTIMATE.start_main_~k~5 107), 100960#(<= ULTIMATE.start_main_~k~5 106), 100963#(<= ULTIMATE.start_main_~k~5 109), 100962#(<= ULTIMATE.start_main_~k~5 108), 100965#(<= ULTIMATE.start_main_~k~5 111), 100964#(<= ULTIMATE.start_main_~k~5 110), 100967#(<= ULTIMATE.start_main_~k~5 113), 100966#(<= ULTIMATE.start_main_~k~5 112), 100969#(<= ULTIMATE.start_main_~k~5 115), 100968#(<= ULTIMATE.start_main_~k~5 114), 100971#(<= ULTIMATE.start_main_~k~5 117), 100970#(<= ULTIMATE.start_main_~k~5 116), 100973#(<= ULTIMATE.start_main_~k~5 119), 100972#(<= ULTIMATE.start_main_~k~5 118), 100975#(<= ULTIMATE.start_main_~k~5 121), 100974#(<= ULTIMATE.start_main_~k~5 120), 100977#(<= ULTIMATE.start_main_~k~5 123), 100976#(<= ULTIMATE.start_main_~k~5 122), 100979#(<= ULTIMATE.start_main_~k~5 125), 100978#(<= ULTIMATE.start_main_~k~5 124), 100981#(<= ULTIMATE.start_main_~k~5 127), 100980#(<= ULTIMATE.start_main_~k~5 126), 100983#(<= ULTIMATE.start_main_~k~5 129), 100982#(<= ULTIMATE.start_main_~k~5 128), 100985#(<= ULTIMATE.start_main_~k~5 131), 100984#(<= ULTIMATE.start_main_~k~5 130), 100987#(<= ULTIMATE.start_main_~k~5 133), 100986#(<= ULTIMATE.start_main_~k~5 132), 100989#(<= ULTIMATE.start_main_~k~5 135), 100988#(<= ULTIMATE.start_main_~k~5 134), 100991#(<= ULTIMATE.start_main_~k~5 137), 100990#(<= ULTIMATE.start_main_~k~5 136), 100993#(<= ULTIMATE.start_main_~k~5 139), 100992#(<= ULTIMATE.start_main_~k~5 138), 100995#(<= ULTIMATE.start_main_~k~5 141), 100994#(<= ULTIMATE.start_main_~k~5 140), 100997#(<= ULTIMATE.start_main_~k~5 143), 100996#(<= ULTIMATE.start_main_~k~5 142), 100999#(<= ULTIMATE.start_main_~k~5 145), 100998#(<= ULTIMATE.start_main_~k~5 144), 101001#(<= ULTIMATE.start_main_~k~5 147), 101000#(<= ULTIMATE.start_main_~k~5 146), 101003#(<= ULTIMATE.start_main_~k~5 149), 101002#(<= ULTIMATE.start_main_~k~5 148), 101005#(<= ULTIMATE.start_main_~k~5 151), 101004#(<= ULTIMATE.start_main_~k~5 150), 101007#(<= ULTIMATE.start_main_~k~5 153), 101006#(<= ULTIMATE.start_main_~k~5 152), 101009#(<= ULTIMATE.start_main_~k~5 155), 101008#(<= ULTIMATE.start_main_~k~5 154), 101011#(<= ULTIMATE.start_main_~k~5 157), 101010#(<= ULTIMATE.start_main_~k~5 156), 101013#(<= ULTIMATE.start_main_~k~5 159), 101012#(<= ULTIMATE.start_main_~k~5 158), 101015#(<= ULTIMATE.start_main_~k~5 161), 101014#(<= ULTIMATE.start_main_~k~5 160), 101017#(<= ULTIMATE.start_main_~k~5 163), 101016#(<= ULTIMATE.start_main_~k~5 162), 101019#(<= ULTIMATE.start_main_~k~5 165), 101018#(<= ULTIMATE.start_main_~k~5 164), 101021#(<= ULTIMATE.start_main_~k~5 167), 101020#(<= ULTIMATE.start_main_~k~5 166), 101023#(<= ULTIMATE.start_main_~k~5 169), 101022#(<= ULTIMATE.start_main_~k~5 168), 101025#(<= ULTIMATE.start_main_~k~5 171), 101024#(<= ULTIMATE.start_main_~k~5 170), 101027#(<= ULTIMATE.start_main_~k~5 173), 101026#(<= ULTIMATE.start_main_~k~5 172), 101029#(<= ULTIMATE.start_main_~k~5 175), 101028#(<= ULTIMATE.start_main_~k~5 174), 101031#(<= ULTIMATE.start_main_~k~5 177), 101030#(<= ULTIMATE.start_main_~k~5 176), 101033#(<= ULTIMATE.start_main_~k~5 179), 101032#(<= ULTIMATE.start_main_~k~5 178), 101035#(<= ULTIMATE.start_main_~k~5 181), 101034#(<= ULTIMATE.start_main_~k~5 180), 101037#(<= ULTIMATE.start_main_~k~5 183), 101036#(<= ULTIMATE.start_main_~k~5 182), 101039#(<= ULTIMATE.start_main_~k~5 185), 101038#(<= ULTIMATE.start_main_~k~5 184), 101041#(<= ULTIMATE.start_main_~k~5 187), 101040#(<= ULTIMATE.start_main_~k~5 186), 101043#(<= ULTIMATE.start_main_~k~5 189), 101042#(<= ULTIMATE.start_main_~k~5 188), 101045#(<= ULTIMATE.start_main_~k~5 191), 101044#(<= ULTIMATE.start_main_~k~5 190), 101047#(<= ULTIMATE.start_main_~k~5 193), 101046#(<= ULTIMATE.start_main_~k~5 192), 101049#(<= ULTIMATE.start_main_~k~5 195), 101048#(<= ULTIMATE.start_main_~k~5 194), 101050#(<= ULTIMATE.start_main_~k~5 196), 100853#false, 100852#true, 100855#(<= ULTIMATE.start_main_~k~5 1), 100854#(<= ULTIMATE.start_main_~k~5 0), 100857#(<= ULTIMATE.start_main_~k~5 3), 100856#(<= ULTIMATE.start_main_~k~5 2), 100859#(<= ULTIMATE.start_main_~k~5 5), 100858#(<= ULTIMATE.start_main_~k~5 4), 100861#(<= ULTIMATE.start_main_~k~5 7), 100860#(<= ULTIMATE.start_main_~k~5 6), 100863#(<= ULTIMATE.start_main_~k~5 9), 100862#(<= ULTIMATE.start_main_~k~5 8)] [2018-07-23 13:42:38,661 INFO L134 CoverageAnalysis]: Checked inductivity of 19306 backedges. 0 proven. 19306 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2018-07-23 13:42:38,662 INFO L450 AbstractCegarLoop]: Interpolant automaton has 199 states [2018-07-23 13:42:38,665 INFO L132 InterpolantAutomaton]: Constructing interpolant automaton starting with 199 interpolants. [2018-07-23 13:42:38,667 INFO L133 InterpolantAutomaton]: CoverageRelationStatistics Valid=19701, Invalid=19701, Unknown=0, NotChecked=0, Total=39402 [2018-07-23 13:42:38,667 INFO L87 Difference]: Start difference. First operand 200 states and 200 transitions. Second operand 199 states. [2018-07-23 13:42:39,653 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2018-07-23 13:42:39,653 INFO L93 Difference]: Finished difference Result 203 states and 203 transitions. [2018-07-23 13:42:39,653 INFO L142 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 199 states. [2018-07-23 13:42:39,653 INFO L78 Accepts]: Start accepts. Automaton has 199 states. Word has length 199 [2018-07-23 13:42:39,653 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2018-07-23 13:42:39,654 INFO L225 Difference]: With dead ends: 203 [2018-07-23 13:42:39,654 INFO L226 Difference]: Without dead ends: 201 [2018-07-23 13:42:39,656 INFO L575 BasicCegarLoop]: 0 DeclaredPredicates, 198 GetRequests, 1 SyntacticMatches, 0 SemanticMatches, 197 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 0 ImplicationChecksByTransitivity, 0.8s TimeCoverageRelationStatistics Valid=19701, Invalid=19701, Unknown=0, NotChecked=0, Total=39402 [2018-07-23 13:42:39,656 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 201 states. [2018-07-23 13:42:39,658 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 201 to 201. [2018-07-23 13:42:39,658 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 201 states. [2018-07-23 13:42:39,658 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 201 states to 201 states and 201 transitions. [2018-07-23 13:42:39,658 INFO L78 Accepts]: Start accepts. Automaton has 201 states and 201 transitions. Word has length 199 [2018-07-23 13:42:39,659 INFO L84 Accepts]: Finished accepts. word is rejected. [2018-07-23 13:42:39,659 INFO L471 AbstractCegarLoop]: Abstraction has 201 states and 201 transitions. [2018-07-23 13:42:39,659 INFO L472 AbstractCegarLoop]: Interpolant automaton has 199 states. [2018-07-23 13:42:39,659 INFO L276 IsEmpty]: Start isEmpty. Operand 201 states and 201 transitions. [2018-07-23 13:42:39,659 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 201 [2018-07-23 13:42:39,659 INFO L349 BasicCegarLoop]: Found error trace [2018-07-23 13:42:39,659 INFO L357 BasicCegarLoop]: trace histogram [197, 1, 1, 1] [2018-07-23 13:42:39,660 INFO L414 AbstractCegarLoop]: === Iteration 198 === [ULTIMATE.startErr0AssertViolationASSERT]=== [2018-07-23 13:42:39,660 INFO L82 PathProgramCache]: Analyzing trace with hash -608187032, now seen corresponding path program 197 times [2018-07-23 13:42:39,660 INFO L69 tionRefinementEngine]: Using refinement strategy FixedRefinementStrategy [2018-07-23 13:42:39,747 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-07-23 13:42:40,681 INFO L134 CoverageAnalysis]: Checked inductivity of 19503 backedges. 0 proven. 19503 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2018-07-23 13:42:40,682 INFO L309 seRefinementStrategy]: Constructing automaton from 0 perfect and 1 imperfect interpolant sequences. [2018-07-23 13:42:40,682 INFO L324 seRefinementStrategy]: Number of different interpolants: perfect sequences [] imperfect sequences [199] total 199 [2018-07-23 13:42:40,682 INFO L142 lantAutomatonBuilder]: Constructing canonical interpolant automaton, with selfloop in false state [2018-07-23 13:42:40,682 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2018-07-23 13:42:40,682 INFO L185 omatonBuilderFactory]: Interpolants [101889#(<= ULTIMATE.start_main_~k~5 28), 101888#(<= ULTIMATE.start_main_~k~5 27), 101891#(<= ULTIMATE.start_main_~k~5 30), 101890#(<= ULTIMATE.start_main_~k~5 29), 101893#(<= ULTIMATE.start_main_~k~5 32), 101892#(<= ULTIMATE.start_main_~k~5 31), 101895#(<= ULTIMATE.start_main_~k~5 34), 101894#(<= ULTIMATE.start_main_~k~5 33), 101897#(<= ULTIMATE.start_main_~k~5 36), 101896#(<= ULTIMATE.start_main_~k~5 35), 101899#(<= ULTIMATE.start_main_~k~5 38), 101898#(<= ULTIMATE.start_main_~k~5 37), 101901#(<= ULTIMATE.start_main_~k~5 40), 101900#(<= ULTIMATE.start_main_~k~5 39), 101903#(<= ULTIMATE.start_main_~k~5 42), 101902#(<= ULTIMATE.start_main_~k~5 41), 101905#(<= ULTIMATE.start_main_~k~5 44), 101904#(<= ULTIMATE.start_main_~k~5 43), 101907#(<= ULTIMATE.start_main_~k~5 46), 101906#(<= ULTIMATE.start_main_~k~5 45), 101909#(<= ULTIMATE.start_main_~k~5 48), 101908#(<= ULTIMATE.start_main_~k~5 47), 101911#(<= ULTIMATE.start_main_~k~5 50), 101910#(<= ULTIMATE.start_main_~k~5 49), 101913#(<= ULTIMATE.start_main_~k~5 52), 101912#(<= ULTIMATE.start_main_~k~5 51), 101915#(<= ULTIMATE.start_main_~k~5 54), 101914#(<= ULTIMATE.start_main_~k~5 53), 101917#(<= ULTIMATE.start_main_~k~5 56), 101916#(<= ULTIMATE.start_main_~k~5 55), 101919#(<= ULTIMATE.start_main_~k~5 58), 101918#(<= ULTIMATE.start_main_~k~5 57), 101921#(<= ULTIMATE.start_main_~k~5 60), 101920#(<= ULTIMATE.start_main_~k~5 59), 101923#(<= ULTIMATE.start_main_~k~5 62), 101922#(<= ULTIMATE.start_main_~k~5 61), 101925#(<= ULTIMATE.start_main_~k~5 64), 101924#(<= ULTIMATE.start_main_~k~5 63), 101927#(<= ULTIMATE.start_main_~k~5 66), 101926#(<= ULTIMATE.start_main_~k~5 65), 101929#(<= ULTIMATE.start_main_~k~5 68), 101928#(<= ULTIMATE.start_main_~k~5 67), 101931#(<= ULTIMATE.start_main_~k~5 70), 101930#(<= ULTIMATE.start_main_~k~5 69), 101933#(<= ULTIMATE.start_main_~k~5 72), 101932#(<= ULTIMATE.start_main_~k~5 71), 101935#(<= ULTIMATE.start_main_~k~5 74), 101934#(<= ULTIMATE.start_main_~k~5 73), 101937#(<= ULTIMATE.start_main_~k~5 76), 101936#(<= ULTIMATE.start_main_~k~5 75), 101939#(<= ULTIMATE.start_main_~k~5 78), 101938#(<= ULTIMATE.start_main_~k~5 77), 101941#(<= ULTIMATE.start_main_~k~5 80), 101940#(<= ULTIMATE.start_main_~k~5 79), 101943#(<= ULTIMATE.start_main_~k~5 82), 101942#(<= ULTIMATE.start_main_~k~5 81), 101945#(<= ULTIMATE.start_main_~k~5 84), 101944#(<= ULTIMATE.start_main_~k~5 83), 101947#(<= ULTIMATE.start_main_~k~5 86), 101946#(<= ULTIMATE.start_main_~k~5 85), 101949#(<= ULTIMATE.start_main_~k~5 88), 101948#(<= ULTIMATE.start_main_~k~5 87), 101951#(<= ULTIMATE.start_main_~k~5 90), 101950#(<= ULTIMATE.start_main_~k~5 89), 101953#(<= ULTIMATE.start_main_~k~5 92), 101952#(<= ULTIMATE.start_main_~k~5 91), 101955#(<= ULTIMATE.start_main_~k~5 94), 101954#(<= ULTIMATE.start_main_~k~5 93), 101957#(<= ULTIMATE.start_main_~k~5 96), 101956#(<= ULTIMATE.start_main_~k~5 95), 101959#(<= ULTIMATE.start_main_~k~5 98), 101958#(<= ULTIMATE.start_main_~k~5 97), 101961#(<= ULTIMATE.start_main_~k~5 100), 101960#(<= ULTIMATE.start_main_~k~5 99), 101963#(<= ULTIMATE.start_main_~k~5 102), 101962#(<= ULTIMATE.start_main_~k~5 101), 101965#(<= ULTIMATE.start_main_~k~5 104), 101964#(<= ULTIMATE.start_main_~k~5 103), 101967#(<= ULTIMATE.start_main_~k~5 106), 101966#(<= ULTIMATE.start_main_~k~5 105), 101969#(<= ULTIMATE.start_main_~k~5 108), 101968#(<= ULTIMATE.start_main_~k~5 107), 101971#(<= ULTIMATE.start_main_~k~5 110), 101970#(<= ULTIMATE.start_main_~k~5 109), 101973#(<= ULTIMATE.start_main_~k~5 112), 101972#(<= ULTIMATE.start_main_~k~5 111), 101975#(<= ULTIMATE.start_main_~k~5 114), 101974#(<= ULTIMATE.start_main_~k~5 113), 101977#(<= ULTIMATE.start_main_~k~5 116), 101976#(<= ULTIMATE.start_main_~k~5 115), 101979#(<= ULTIMATE.start_main_~k~5 118), 101978#(<= ULTIMATE.start_main_~k~5 117), 101981#(<= ULTIMATE.start_main_~k~5 120), 101980#(<= ULTIMATE.start_main_~k~5 119), 101983#(<= ULTIMATE.start_main_~k~5 122), 101982#(<= ULTIMATE.start_main_~k~5 121), 101985#(<= ULTIMATE.start_main_~k~5 124), 101984#(<= ULTIMATE.start_main_~k~5 123), 101987#(<= ULTIMATE.start_main_~k~5 126), 101986#(<= ULTIMATE.start_main_~k~5 125), 101989#(<= ULTIMATE.start_main_~k~5 128), 101988#(<= ULTIMATE.start_main_~k~5 127), 101991#(<= ULTIMATE.start_main_~k~5 130), 101990#(<= ULTIMATE.start_main_~k~5 129), 101993#(<= ULTIMATE.start_main_~k~5 132), 101992#(<= ULTIMATE.start_main_~k~5 131), 101995#(<= ULTIMATE.start_main_~k~5 134), 101994#(<= ULTIMATE.start_main_~k~5 133), 101997#(<= ULTIMATE.start_main_~k~5 136), 101996#(<= ULTIMATE.start_main_~k~5 135), 101999#(<= ULTIMATE.start_main_~k~5 138), 101998#(<= ULTIMATE.start_main_~k~5 137), 102001#(<= ULTIMATE.start_main_~k~5 140), 102000#(<= ULTIMATE.start_main_~k~5 139), 102003#(<= ULTIMATE.start_main_~k~5 142), 102002#(<= ULTIMATE.start_main_~k~5 141), 102005#(<= ULTIMATE.start_main_~k~5 144), 102004#(<= ULTIMATE.start_main_~k~5 143), 102007#(<= ULTIMATE.start_main_~k~5 146), 102006#(<= ULTIMATE.start_main_~k~5 145), 102009#(<= ULTIMATE.start_main_~k~5 148), 102008#(<= ULTIMATE.start_main_~k~5 147), 102011#(<= ULTIMATE.start_main_~k~5 150), 102010#(<= ULTIMATE.start_main_~k~5 149), 102013#(<= ULTIMATE.start_main_~k~5 152), 102012#(<= ULTIMATE.start_main_~k~5 151), 102015#(<= ULTIMATE.start_main_~k~5 154), 102014#(<= ULTIMATE.start_main_~k~5 153), 102017#(<= ULTIMATE.start_main_~k~5 156), 102016#(<= ULTIMATE.start_main_~k~5 155), 102019#(<= ULTIMATE.start_main_~k~5 158), 102018#(<= ULTIMATE.start_main_~k~5 157), 102021#(<= ULTIMATE.start_main_~k~5 160), 102020#(<= ULTIMATE.start_main_~k~5 159), 102023#(<= ULTIMATE.start_main_~k~5 162), 102022#(<= ULTIMATE.start_main_~k~5 161), 102025#(<= ULTIMATE.start_main_~k~5 164), 102024#(<= ULTIMATE.start_main_~k~5 163), 102027#(<= ULTIMATE.start_main_~k~5 166), 102026#(<= ULTIMATE.start_main_~k~5 165), 102029#(<= ULTIMATE.start_main_~k~5 168), 102028#(<= ULTIMATE.start_main_~k~5 167), 102031#(<= ULTIMATE.start_main_~k~5 170), 102030#(<= ULTIMATE.start_main_~k~5 169), 102033#(<= ULTIMATE.start_main_~k~5 172), 102032#(<= ULTIMATE.start_main_~k~5 171), 102035#(<= ULTIMATE.start_main_~k~5 174), 102034#(<= ULTIMATE.start_main_~k~5 173), 102037#(<= ULTIMATE.start_main_~k~5 176), 102036#(<= ULTIMATE.start_main_~k~5 175), 102039#(<= ULTIMATE.start_main_~k~5 178), 102038#(<= ULTIMATE.start_main_~k~5 177), 102041#(<= ULTIMATE.start_main_~k~5 180), 102040#(<= ULTIMATE.start_main_~k~5 179), 102043#(<= ULTIMATE.start_main_~k~5 182), 102042#(<= ULTIMATE.start_main_~k~5 181), 102045#(<= ULTIMATE.start_main_~k~5 184), 102044#(<= ULTIMATE.start_main_~k~5 183), 102047#(<= ULTIMATE.start_main_~k~5 186), 102046#(<= ULTIMATE.start_main_~k~5 185), 102049#(<= ULTIMATE.start_main_~k~5 188), 102048#(<= ULTIMATE.start_main_~k~5 187), 102051#(<= ULTIMATE.start_main_~k~5 190), 102050#(<= ULTIMATE.start_main_~k~5 189), 102053#(<= ULTIMATE.start_main_~k~5 192), 102052#(<= ULTIMATE.start_main_~k~5 191), 102055#(<= ULTIMATE.start_main_~k~5 194), 102054#(<= ULTIMATE.start_main_~k~5 193), 102057#(<= ULTIMATE.start_main_~k~5 196), 102056#(<= ULTIMATE.start_main_~k~5 195), 102058#(<= ULTIMATE.start_main_~k~5 197), 101859#true, 101861#(<= ULTIMATE.start_main_~k~5 0), 101860#false, 101863#(<= ULTIMATE.start_main_~k~5 2), 101862#(<= ULTIMATE.start_main_~k~5 1), 101865#(<= ULTIMATE.start_main_~k~5 4), 101864#(<= ULTIMATE.start_main_~k~5 3), 101867#(<= ULTIMATE.start_main_~k~5 6), 101866#(<= ULTIMATE.start_main_~k~5 5), 101869#(<= ULTIMATE.start_main_~k~5 8), 101868#(<= ULTIMATE.start_main_~k~5 7), 101871#(<= ULTIMATE.start_main_~k~5 10), 101870#(<= ULTIMATE.start_main_~k~5 9), 101873#(<= ULTIMATE.start_main_~k~5 12), 101872#(<= ULTIMATE.start_main_~k~5 11), 101875#(<= ULTIMATE.start_main_~k~5 14), 101874#(<= ULTIMATE.start_main_~k~5 13), 101877#(<= ULTIMATE.start_main_~k~5 16), 101876#(<= ULTIMATE.start_main_~k~5 15), 101879#(<= ULTIMATE.start_main_~k~5 18), 101878#(<= ULTIMATE.start_main_~k~5 17), 101881#(<= ULTIMATE.start_main_~k~5 20), 101880#(<= ULTIMATE.start_main_~k~5 19), 101883#(<= ULTIMATE.start_main_~k~5 22), 101882#(<= ULTIMATE.start_main_~k~5 21), 101885#(<= ULTIMATE.start_main_~k~5 24), 101884#(<= ULTIMATE.start_main_~k~5 23), 101887#(<= ULTIMATE.start_main_~k~5 26), 101886#(<= ULTIMATE.start_main_~k~5 25)] [2018-07-23 13:42:40,684 INFO L134 CoverageAnalysis]: Checked inductivity of 19503 backedges. 0 proven. 19503 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2018-07-23 13:42:40,684 INFO L450 AbstractCegarLoop]: Interpolant automaton has 200 states [2018-07-23 13:42:40,686 INFO L132 InterpolantAutomaton]: Constructing interpolant automaton starting with 200 interpolants. [2018-07-23 13:42:40,688 INFO L133 InterpolantAutomaton]: CoverageRelationStatistics Valid=19900, Invalid=19900, Unknown=0, NotChecked=0, Total=39800 [2018-07-23 13:42:40,688 INFO L87 Difference]: Start difference. First operand 201 states and 201 transitions. Second operand 200 states. [2018-07-23 13:42:41,544 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2018-07-23 13:42:41,544 INFO L93 Difference]: Finished difference Result 204 states and 204 transitions. [2018-07-23 13:42:41,544 INFO L142 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 200 states. [2018-07-23 13:42:41,544 INFO L78 Accepts]: Start accepts. Automaton has 200 states. Word has length 200 [2018-07-23 13:42:41,544 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2018-07-23 13:42:41,545 INFO L225 Difference]: With dead ends: 204 [2018-07-23 13:42:41,545 INFO L226 Difference]: Without dead ends: 202 [2018-07-23 13:42:41,547 INFO L575 BasicCegarLoop]: 0 DeclaredPredicates, 199 GetRequests, 1 SyntacticMatches, 0 SemanticMatches, 198 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 0 ImplicationChecksByTransitivity, 0.8s TimeCoverageRelationStatistics Valid=19900, Invalid=19900, Unknown=0, NotChecked=0, Total=39800 [2018-07-23 13:42:41,547 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 202 states. [2018-07-23 13:42:41,549 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 202 to 202. [2018-07-23 13:42:41,549 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 202 states. [2018-07-23 13:42:41,549 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 202 states to 202 states and 202 transitions. [2018-07-23 13:42:41,549 INFO L78 Accepts]: Start accepts. Automaton has 202 states and 202 transitions. Word has length 200 [2018-07-23 13:42:41,550 INFO L84 Accepts]: Finished accepts. word is rejected. [2018-07-23 13:42:41,550 INFO L471 AbstractCegarLoop]: Abstraction has 202 states and 202 transitions. [2018-07-23 13:42:41,550 INFO L472 AbstractCegarLoop]: Interpolant automaton has 200 states. [2018-07-23 13:42:41,550 INFO L276 IsEmpty]: Start isEmpty. Operand 202 states and 202 transitions. [2018-07-23 13:42:41,550 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 202 [2018-07-23 13:42:41,550 INFO L349 BasicCegarLoop]: Found error trace [2018-07-23 13:42:41,550 INFO L357 BasicCegarLoop]: trace histogram [198, 1, 1, 1] [2018-07-23 13:42:41,551 INFO L414 AbstractCegarLoop]: === Iteration 199 === [ULTIMATE.startErr0AssertViolationASSERT]=== [2018-07-23 13:42:41,551 INFO L82 PathProgramCache]: Analyzing trace with hash -1673930783, now seen corresponding path program 198 times [2018-07-23 13:42:41,551 INFO L69 tionRefinementEngine]: Using refinement strategy FixedRefinementStrategy [2018-07-23 13:42:41,637 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-07-23 13:42:42,567 INFO L134 CoverageAnalysis]: Checked inductivity of 19701 backedges. 0 proven. 19701 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2018-07-23 13:42:42,567 INFO L309 seRefinementStrategy]: Constructing automaton from 0 perfect and 1 imperfect interpolant sequences. [2018-07-23 13:42:42,567 INFO L324 seRefinementStrategy]: Number of different interpolants: perfect sequences [] imperfect sequences [200] total 200 [2018-07-23 13:42:42,567 INFO L142 lantAutomatonBuilder]: Constructing canonical interpolant automaton, with selfloop in false state [2018-07-23 13:42:42,568 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2018-07-23 13:42:42,568 INFO L185 omatonBuilderFactory]: Interpolants [102913#(<= ULTIMATE.start_main_~k~5 40), 102912#(<= ULTIMATE.start_main_~k~5 39), 102915#(<= ULTIMATE.start_main_~k~5 42), 102914#(<= ULTIMATE.start_main_~k~5 41), 102917#(<= ULTIMATE.start_main_~k~5 44), 102916#(<= ULTIMATE.start_main_~k~5 43), 102919#(<= ULTIMATE.start_main_~k~5 46), 102918#(<= ULTIMATE.start_main_~k~5 45), 102921#(<= ULTIMATE.start_main_~k~5 48), 102920#(<= ULTIMATE.start_main_~k~5 47), 102923#(<= ULTIMATE.start_main_~k~5 50), 102922#(<= ULTIMATE.start_main_~k~5 49), 102925#(<= ULTIMATE.start_main_~k~5 52), 102924#(<= ULTIMATE.start_main_~k~5 51), 102927#(<= ULTIMATE.start_main_~k~5 54), 102926#(<= ULTIMATE.start_main_~k~5 53), 102929#(<= ULTIMATE.start_main_~k~5 56), 102928#(<= ULTIMATE.start_main_~k~5 55), 102931#(<= ULTIMATE.start_main_~k~5 58), 102930#(<= ULTIMATE.start_main_~k~5 57), 102933#(<= ULTIMATE.start_main_~k~5 60), 102932#(<= ULTIMATE.start_main_~k~5 59), 102935#(<= ULTIMATE.start_main_~k~5 62), 102934#(<= ULTIMATE.start_main_~k~5 61), 102937#(<= ULTIMATE.start_main_~k~5 64), 102936#(<= ULTIMATE.start_main_~k~5 63), 102939#(<= ULTIMATE.start_main_~k~5 66), 102938#(<= ULTIMATE.start_main_~k~5 65), 102941#(<= ULTIMATE.start_main_~k~5 68), 102940#(<= ULTIMATE.start_main_~k~5 67), 102943#(<= ULTIMATE.start_main_~k~5 70), 102942#(<= ULTIMATE.start_main_~k~5 69), 102945#(<= ULTIMATE.start_main_~k~5 72), 102944#(<= ULTIMATE.start_main_~k~5 71), 102947#(<= ULTIMATE.start_main_~k~5 74), 102946#(<= ULTIMATE.start_main_~k~5 73), 102949#(<= ULTIMATE.start_main_~k~5 76), 102948#(<= ULTIMATE.start_main_~k~5 75), 102951#(<= ULTIMATE.start_main_~k~5 78), 102950#(<= ULTIMATE.start_main_~k~5 77), 102953#(<= ULTIMATE.start_main_~k~5 80), 102952#(<= ULTIMATE.start_main_~k~5 79), 102955#(<= ULTIMATE.start_main_~k~5 82), 102954#(<= ULTIMATE.start_main_~k~5 81), 102957#(<= ULTIMATE.start_main_~k~5 84), 102956#(<= ULTIMATE.start_main_~k~5 83), 102959#(<= ULTIMATE.start_main_~k~5 86), 102958#(<= ULTIMATE.start_main_~k~5 85), 102961#(<= ULTIMATE.start_main_~k~5 88), 102960#(<= ULTIMATE.start_main_~k~5 87), 102963#(<= ULTIMATE.start_main_~k~5 90), 102962#(<= ULTIMATE.start_main_~k~5 89), 102965#(<= ULTIMATE.start_main_~k~5 92), 102964#(<= ULTIMATE.start_main_~k~5 91), 102967#(<= ULTIMATE.start_main_~k~5 94), 102966#(<= ULTIMATE.start_main_~k~5 93), 102969#(<= ULTIMATE.start_main_~k~5 96), 102968#(<= ULTIMATE.start_main_~k~5 95), 102971#(<= ULTIMATE.start_main_~k~5 98), 102970#(<= ULTIMATE.start_main_~k~5 97), 102973#(<= ULTIMATE.start_main_~k~5 100), 102972#(<= ULTIMATE.start_main_~k~5 99), 102975#(<= ULTIMATE.start_main_~k~5 102), 102974#(<= ULTIMATE.start_main_~k~5 101), 102977#(<= ULTIMATE.start_main_~k~5 104), 102976#(<= ULTIMATE.start_main_~k~5 103), 102979#(<= ULTIMATE.start_main_~k~5 106), 102978#(<= ULTIMATE.start_main_~k~5 105), 102981#(<= ULTIMATE.start_main_~k~5 108), 102980#(<= ULTIMATE.start_main_~k~5 107), 102983#(<= ULTIMATE.start_main_~k~5 110), 102982#(<= ULTIMATE.start_main_~k~5 109), 102985#(<= ULTIMATE.start_main_~k~5 112), 102984#(<= ULTIMATE.start_main_~k~5 111), 102987#(<= ULTIMATE.start_main_~k~5 114), 102986#(<= ULTIMATE.start_main_~k~5 113), 102989#(<= ULTIMATE.start_main_~k~5 116), 102988#(<= ULTIMATE.start_main_~k~5 115), 102991#(<= ULTIMATE.start_main_~k~5 118), 102990#(<= ULTIMATE.start_main_~k~5 117), 102993#(<= ULTIMATE.start_main_~k~5 120), 102992#(<= ULTIMATE.start_main_~k~5 119), 102995#(<= ULTIMATE.start_main_~k~5 122), 102994#(<= ULTIMATE.start_main_~k~5 121), 102997#(<= ULTIMATE.start_main_~k~5 124), 102996#(<= ULTIMATE.start_main_~k~5 123), 102999#(<= ULTIMATE.start_main_~k~5 126), 102998#(<= ULTIMATE.start_main_~k~5 125), 103001#(<= ULTIMATE.start_main_~k~5 128), 103000#(<= ULTIMATE.start_main_~k~5 127), 103003#(<= ULTIMATE.start_main_~k~5 130), 103002#(<= ULTIMATE.start_main_~k~5 129), 103005#(<= ULTIMATE.start_main_~k~5 132), 103004#(<= ULTIMATE.start_main_~k~5 131), 103007#(<= ULTIMATE.start_main_~k~5 134), 103006#(<= ULTIMATE.start_main_~k~5 133), 103009#(<= ULTIMATE.start_main_~k~5 136), 103008#(<= ULTIMATE.start_main_~k~5 135), 103011#(<= ULTIMATE.start_main_~k~5 138), 103010#(<= ULTIMATE.start_main_~k~5 137), 103013#(<= ULTIMATE.start_main_~k~5 140), 103012#(<= ULTIMATE.start_main_~k~5 139), 103015#(<= ULTIMATE.start_main_~k~5 142), 103014#(<= ULTIMATE.start_main_~k~5 141), 103017#(<= ULTIMATE.start_main_~k~5 144), 103016#(<= ULTIMATE.start_main_~k~5 143), 103019#(<= ULTIMATE.start_main_~k~5 146), 103018#(<= ULTIMATE.start_main_~k~5 145), 103021#(<= ULTIMATE.start_main_~k~5 148), 103020#(<= ULTIMATE.start_main_~k~5 147), 103023#(<= ULTIMATE.start_main_~k~5 150), 103022#(<= ULTIMATE.start_main_~k~5 149), 103025#(<= ULTIMATE.start_main_~k~5 152), 103024#(<= ULTIMATE.start_main_~k~5 151), 103027#(<= ULTIMATE.start_main_~k~5 154), 103026#(<= ULTIMATE.start_main_~k~5 153), 103029#(<= ULTIMATE.start_main_~k~5 156), 103028#(<= ULTIMATE.start_main_~k~5 155), 103031#(<= ULTIMATE.start_main_~k~5 158), 103030#(<= ULTIMATE.start_main_~k~5 157), 103033#(<= ULTIMATE.start_main_~k~5 160), 103032#(<= ULTIMATE.start_main_~k~5 159), 103035#(<= ULTIMATE.start_main_~k~5 162), 103034#(<= ULTIMATE.start_main_~k~5 161), 103037#(<= ULTIMATE.start_main_~k~5 164), 103036#(<= ULTIMATE.start_main_~k~5 163), 103039#(<= ULTIMATE.start_main_~k~5 166), 103038#(<= ULTIMATE.start_main_~k~5 165), 103041#(<= ULTIMATE.start_main_~k~5 168), 103040#(<= ULTIMATE.start_main_~k~5 167), 103043#(<= ULTIMATE.start_main_~k~5 170), 103042#(<= ULTIMATE.start_main_~k~5 169), 103045#(<= ULTIMATE.start_main_~k~5 172), 103044#(<= ULTIMATE.start_main_~k~5 171), 103047#(<= ULTIMATE.start_main_~k~5 174), 103046#(<= ULTIMATE.start_main_~k~5 173), 103049#(<= ULTIMATE.start_main_~k~5 176), 103048#(<= ULTIMATE.start_main_~k~5 175), 103051#(<= ULTIMATE.start_main_~k~5 178), 103050#(<= ULTIMATE.start_main_~k~5 177), 103053#(<= ULTIMATE.start_main_~k~5 180), 103052#(<= ULTIMATE.start_main_~k~5 179), 103055#(<= ULTIMATE.start_main_~k~5 182), 103054#(<= ULTIMATE.start_main_~k~5 181), 103057#(<= ULTIMATE.start_main_~k~5 184), 103056#(<= ULTIMATE.start_main_~k~5 183), 103059#(<= ULTIMATE.start_main_~k~5 186), 103058#(<= ULTIMATE.start_main_~k~5 185), 103061#(<= ULTIMATE.start_main_~k~5 188), 103060#(<= ULTIMATE.start_main_~k~5 187), 103063#(<= ULTIMATE.start_main_~k~5 190), 103062#(<= ULTIMATE.start_main_~k~5 189), 103065#(<= ULTIMATE.start_main_~k~5 192), 103064#(<= ULTIMATE.start_main_~k~5 191), 103067#(<= ULTIMATE.start_main_~k~5 194), 103066#(<= ULTIMATE.start_main_~k~5 193), 103069#(<= ULTIMATE.start_main_~k~5 196), 103068#(<= ULTIMATE.start_main_~k~5 195), 103071#(<= ULTIMATE.start_main_~k~5 198), 103070#(<= ULTIMATE.start_main_~k~5 197), 102871#true, 102873#(<= ULTIMATE.start_main_~k~5 0), 102872#false, 102875#(<= ULTIMATE.start_main_~k~5 2), 102874#(<= ULTIMATE.start_main_~k~5 1), 102877#(<= ULTIMATE.start_main_~k~5 4), 102876#(<= ULTIMATE.start_main_~k~5 3), 102879#(<= ULTIMATE.start_main_~k~5 6), 102878#(<= ULTIMATE.start_main_~k~5 5), 102881#(<= ULTIMATE.start_main_~k~5 8), 102880#(<= ULTIMATE.start_main_~k~5 7), 102883#(<= ULTIMATE.start_main_~k~5 10), 102882#(<= ULTIMATE.start_main_~k~5 9), 102885#(<= ULTIMATE.start_main_~k~5 12), 102884#(<= ULTIMATE.start_main_~k~5 11), 102887#(<= ULTIMATE.start_main_~k~5 14), 102886#(<= ULTIMATE.start_main_~k~5 13), 102889#(<= ULTIMATE.start_main_~k~5 16), 102888#(<= ULTIMATE.start_main_~k~5 15), 102891#(<= ULTIMATE.start_main_~k~5 18), 102890#(<= ULTIMATE.start_main_~k~5 17), 102893#(<= ULTIMATE.start_main_~k~5 20), 102892#(<= ULTIMATE.start_main_~k~5 19), 102895#(<= ULTIMATE.start_main_~k~5 22), 102894#(<= ULTIMATE.start_main_~k~5 21), 102897#(<= ULTIMATE.start_main_~k~5 24), 102896#(<= ULTIMATE.start_main_~k~5 23), 102899#(<= ULTIMATE.start_main_~k~5 26), 102898#(<= ULTIMATE.start_main_~k~5 25), 102901#(<= ULTIMATE.start_main_~k~5 28), 102900#(<= ULTIMATE.start_main_~k~5 27), 102903#(<= ULTIMATE.start_main_~k~5 30), 102902#(<= ULTIMATE.start_main_~k~5 29), 102905#(<= ULTIMATE.start_main_~k~5 32), 102904#(<= ULTIMATE.start_main_~k~5 31), 102907#(<= ULTIMATE.start_main_~k~5 34), 102906#(<= ULTIMATE.start_main_~k~5 33), 102909#(<= ULTIMATE.start_main_~k~5 36), 102908#(<= ULTIMATE.start_main_~k~5 35), 102911#(<= ULTIMATE.start_main_~k~5 38), 102910#(<= ULTIMATE.start_main_~k~5 37)] [2018-07-23 13:42:42,569 INFO L134 CoverageAnalysis]: Checked inductivity of 19701 backedges. 0 proven. 19701 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2018-07-23 13:42:42,569 INFO L450 AbstractCegarLoop]: Interpolant automaton has 201 states [2018-07-23 13:42:42,572 INFO L132 InterpolantAutomaton]: Constructing interpolant automaton starting with 201 interpolants. [2018-07-23 13:42:42,573 INFO L133 InterpolantAutomaton]: CoverageRelationStatistics Valid=20100, Invalid=20100, Unknown=0, NotChecked=0, Total=40200 [2018-07-23 13:42:42,573 INFO L87 Difference]: Start difference. First operand 202 states and 202 transitions. Second operand 201 states. [2018-07-23 13:42:43,287 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2018-07-23 13:42:43,287 INFO L93 Difference]: Finished difference Result 205 states and 205 transitions. [2018-07-23 13:42:43,287 INFO L142 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 201 states. [2018-07-23 13:42:43,287 INFO L78 Accepts]: Start accepts. Automaton has 201 states. Word has length 201 [2018-07-23 13:42:43,288 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2018-07-23 13:42:43,288 INFO L225 Difference]: With dead ends: 205 [2018-07-23 13:42:43,288 INFO L226 Difference]: Without dead ends: 203 [2018-07-23 13:42:43,290 INFO L575 BasicCegarLoop]: 0 DeclaredPredicates, 200 GetRequests, 1 SyntacticMatches, 0 SemanticMatches, 199 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 0 ImplicationChecksByTransitivity, 0.8s TimeCoverageRelationStatistics Valid=20100, Invalid=20100, Unknown=0, NotChecked=0, Total=40200 [2018-07-23 13:42:43,290 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 203 states. [2018-07-23 13:42:43,292 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 203 to 203. [2018-07-23 13:42:43,292 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 203 states. [2018-07-23 13:42:43,292 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 203 states to 203 states and 203 transitions. [2018-07-23 13:42:43,292 INFO L78 Accepts]: Start accepts. Automaton has 203 states and 203 transitions. Word has length 201 [2018-07-23 13:42:43,292 INFO L84 Accepts]: Finished accepts. word is rejected. [2018-07-23 13:42:43,292 INFO L471 AbstractCegarLoop]: Abstraction has 203 states and 203 transitions. [2018-07-23 13:42:43,292 INFO L472 AbstractCegarLoop]: Interpolant automaton has 201 states. [2018-07-23 13:42:43,292 INFO L276 IsEmpty]: Start isEmpty. Operand 203 states and 203 transitions. [2018-07-23 13:42:43,293 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 203 [2018-07-23 13:42:43,293 INFO L349 BasicCegarLoop]: Found error trace [2018-07-23 13:42:43,293 INFO L357 BasicCegarLoop]: trace histogram [199, 1, 1, 1] [2018-07-23 13:42:43,293 INFO L414 AbstractCegarLoop]: === Iteration 200 === [ULTIMATE.startErr0AssertViolationASSERT]=== [2018-07-23 13:42:43,293 INFO L82 PathProgramCache]: Analyzing trace with hash -352248696, now seen corresponding path program 199 times [2018-07-23 13:42:43,293 INFO L69 tionRefinementEngine]: Using refinement strategy FixedRefinementStrategy [2018-07-23 13:42:43,374 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-07-23 13:42:44,306 INFO L134 CoverageAnalysis]: Checked inductivity of 19900 backedges. 0 proven. 19900 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2018-07-23 13:42:44,306 INFO L309 seRefinementStrategy]: Constructing automaton from 0 perfect and 1 imperfect interpolant sequences. [2018-07-23 13:42:44,307 INFO L324 seRefinementStrategy]: Number of different interpolants: perfect sequences [] imperfect sequences [201] total 201 [2018-07-23 13:42:44,307 INFO L142 lantAutomatonBuilder]: Constructing canonical interpolant automaton, with selfloop in false state [2018-07-23 13:42:44,307 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2018-07-23 13:42:44,307 INFO L185 omatonBuilderFactory]: Interpolants [103937#(<= ULTIMATE.start_main_~k~5 47), 103936#(<= ULTIMATE.start_main_~k~5 46), 103939#(<= ULTIMATE.start_main_~k~5 49), 103938#(<= ULTIMATE.start_main_~k~5 48), 103941#(<= ULTIMATE.start_main_~k~5 51), 103940#(<= ULTIMATE.start_main_~k~5 50), 103943#(<= ULTIMATE.start_main_~k~5 53), 103942#(<= ULTIMATE.start_main_~k~5 52), 103945#(<= ULTIMATE.start_main_~k~5 55), 103944#(<= ULTIMATE.start_main_~k~5 54), 103947#(<= ULTIMATE.start_main_~k~5 57), 103946#(<= ULTIMATE.start_main_~k~5 56), 103949#(<= ULTIMATE.start_main_~k~5 59), 103948#(<= ULTIMATE.start_main_~k~5 58), 103951#(<= ULTIMATE.start_main_~k~5 61), 103950#(<= ULTIMATE.start_main_~k~5 60), 103953#(<= ULTIMATE.start_main_~k~5 63), 103952#(<= ULTIMATE.start_main_~k~5 62), 103955#(<= ULTIMATE.start_main_~k~5 65), 103954#(<= ULTIMATE.start_main_~k~5 64), 103957#(<= ULTIMATE.start_main_~k~5 67), 103956#(<= ULTIMATE.start_main_~k~5 66), 103959#(<= ULTIMATE.start_main_~k~5 69), 103958#(<= ULTIMATE.start_main_~k~5 68), 103961#(<= ULTIMATE.start_main_~k~5 71), 103960#(<= ULTIMATE.start_main_~k~5 70), 103963#(<= ULTIMATE.start_main_~k~5 73), 103962#(<= ULTIMATE.start_main_~k~5 72), 103965#(<= ULTIMATE.start_main_~k~5 75), 103964#(<= ULTIMATE.start_main_~k~5 74), 103967#(<= ULTIMATE.start_main_~k~5 77), 103966#(<= ULTIMATE.start_main_~k~5 76), 103969#(<= ULTIMATE.start_main_~k~5 79), 103968#(<= ULTIMATE.start_main_~k~5 78), 103971#(<= ULTIMATE.start_main_~k~5 81), 103970#(<= ULTIMATE.start_main_~k~5 80), 103973#(<= ULTIMATE.start_main_~k~5 83), 103972#(<= ULTIMATE.start_main_~k~5 82), 103975#(<= ULTIMATE.start_main_~k~5 85), 103974#(<= ULTIMATE.start_main_~k~5 84), 103977#(<= ULTIMATE.start_main_~k~5 87), 103976#(<= ULTIMATE.start_main_~k~5 86), 103979#(<= ULTIMATE.start_main_~k~5 89), 103978#(<= ULTIMATE.start_main_~k~5 88), 103981#(<= ULTIMATE.start_main_~k~5 91), 103980#(<= ULTIMATE.start_main_~k~5 90), 103983#(<= ULTIMATE.start_main_~k~5 93), 103982#(<= ULTIMATE.start_main_~k~5 92), 103985#(<= ULTIMATE.start_main_~k~5 95), 103984#(<= ULTIMATE.start_main_~k~5 94), 103987#(<= ULTIMATE.start_main_~k~5 97), 103986#(<= ULTIMATE.start_main_~k~5 96), 103989#(<= ULTIMATE.start_main_~k~5 99), 103988#(<= ULTIMATE.start_main_~k~5 98), 103991#(<= ULTIMATE.start_main_~k~5 101), 103990#(<= ULTIMATE.start_main_~k~5 100), 103993#(<= ULTIMATE.start_main_~k~5 103), 103992#(<= ULTIMATE.start_main_~k~5 102), 103995#(<= ULTIMATE.start_main_~k~5 105), 103994#(<= ULTIMATE.start_main_~k~5 104), 103997#(<= ULTIMATE.start_main_~k~5 107), 103996#(<= ULTIMATE.start_main_~k~5 106), 103999#(<= ULTIMATE.start_main_~k~5 109), 103998#(<= ULTIMATE.start_main_~k~5 108), 104001#(<= ULTIMATE.start_main_~k~5 111), 104000#(<= ULTIMATE.start_main_~k~5 110), 104003#(<= ULTIMATE.start_main_~k~5 113), 104002#(<= ULTIMATE.start_main_~k~5 112), 104005#(<= ULTIMATE.start_main_~k~5 115), 104004#(<= ULTIMATE.start_main_~k~5 114), 104007#(<= ULTIMATE.start_main_~k~5 117), 104006#(<= ULTIMATE.start_main_~k~5 116), 104009#(<= ULTIMATE.start_main_~k~5 119), 104008#(<= ULTIMATE.start_main_~k~5 118), 104011#(<= ULTIMATE.start_main_~k~5 121), 104010#(<= ULTIMATE.start_main_~k~5 120), 104013#(<= ULTIMATE.start_main_~k~5 123), 104012#(<= ULTIMATE.start_main_~k~5 122), 104015#(<= ULTIMATE.start_main_~k~5 125), 104014#(<= ULTIMATE.start_main_~k~5 124), 104017#(<= ULTIMATE.start_main_~k~5 127), 104016#(<= ULTIMATE.start_main_~k~5 126), 104019#(<= ULTIMATE.start_main_~k~5 129), 104018#(<= ULTIMATE.start_main_~k~5 128), 104021#(<= ULTIMATE.start_main_~k~5 131), 104020#(<= ULTIMATE.start_main_~k~5 130), 104023#(<= ULTIMATE.start_main_~k~5 133), 104022#(<= ULTIMATE.start_main_~k~5 132), 104025#(<= ULTIMATE.start_main_~k~5 135), 104024#(<= ULTIMATE.start_main_~k~5 134), 104027#(<= ULTIMATE.start_main_~k~5 137), 104026#(<= ULTIMATE.start_main_~k~5 136), 104029#(<= ULTIMATE.start_main_~k~5 139), 104028#(<= ULTIMATE.start_main_~k~5 138), 104031#(<= ULTIMATE.start_main_~k~5 141), 104030#(<= ULTIMATE.start_main_~k~5 140), 104033#(<= ULTIMATE.start_main_~k~5 143), 104032#(<= ULTIMATE.start_main_~k~5 142), 104035#(<= ULTIMATE.start_main_~k~5 145), 104034#(<= ULTIMATE.start_main_~k~5 144), 104037#(<= ULTIMATE.start_main_~k~5 147), 104036#(<= ULTIMATE.start_main_~k~5 146), 104039#(<= ULTIMATE.start_main_~k~5 149), 104038#(<= ULTIMATE.start_main_~k~5 148), 104041#(<= ULTIMATE.start_main_~k~5 151), 104040#(<= ULTIMATE.start_main_~k~5 150), 104043#(<= ULTIMATE.start_main_~k~5 153), 104042#(<= ULTIMATE.start_main_~k~5 152), 104045#(<= ULTIMATE.start_main_~k~5 155), 104044#(<= ULTIMATE.start_main_~k~5 154), 104047#(<= ULTIMATE.start_main_~k~5 157), 104046#(<= ULTIMATE.start_main_~k~5 156), 104049#(<= ULTIMATE.start_main_~k~5 159), 104048#(<= ULTIMATE.start_main_~k~5 158), 104051#(<= ULTIMATE.start_main_~k~5 161), 104050#(<= ULTIMATE.start_main_~k~5 160), 104053#(<= ULTIMATE.start_main_~k~5 163), 104052#(<= ULTIMATE.start_main_~k~5 162), 104055#(<= ULTIMATE.start_main_~k~5 165), 104054#(<= ULTIMATE.start_main_~k~5 164), 104057#(<= ULTIMATE.start_main_~k~5 167), 104056#(<= ULTIMATE.start_main_~k~5 166), 104059#(<= ULTIMATE.start_main_~k~5 169), 104058#(<= ULTIMATE.start_main_~k~5 168), 104061#(<= ULTIMATE.start_main_~k~5 171), 104060#(<= ULTIMATE.start_main_~k~5 170), 104063#(<= ULTIMATE.start_main_~k~5 173), 104062#(<= ULTIMATE.start_main_~k~5 172), 104065#(<= ULTIMATE.start_main_~k~5 175), 104064#(<= ULTIMATE.start_main_~k~5 174), 104067#(<= ULTIMATE.start_main_~k~5 177), 104066#(<= ULTIMATE.start_main_~k~5 176), 104069#(<= ULTIMATE.start_main_~k~5 179), 104068#(<= ULTIMATE.start_main_~k~5 178), 104071#(<= ULTIMATE.start_main_~k~5 181), 104070#(<= ULTIMATE.start_main_~k~5 180), 104073#(<= ULTIMATE.start_main_~k~5 183), 104072#(<= ULTIMATE.start_main_~k~5 182), 104075#(<= ULTIMATE.start_main_~k~5 185), 104074#(<= ULTIMATE.start_main_~k~5 184), 104077#(<= ULTIMATE.start_main_~k~5 187), 104076#(<= ULTIMATE.start_main_~k~5 186), 104079#(<= ULTIMATE.start_main_~k~5 189), 104078#(<= ULTIMATE.start_main_~k~5 188), 104081#(<= ULTIMATE.start_main_~k~5 191), 104080#(<= ULTIMATE.start_main_~k~5 190), 104083#(<= ULTIMATE.start_main_~k~5 193), 104082#(<= ULTIMATE.start_main_~k~5 192), 104085#(<= ULTIMATE.start_main_~k~5 195), 104084#(<= ULTIMATE.start_main_~k~5 194), 104087#(<= ULTIMATE.start_main_~k~5 197), 104086#(<= ULTIMATE.start_main_~k~5 196), 104089#(<= ULTIMATE.start_main_~k~5 199), 104088#(<= ULTIMATE.start_main_~k~5 198), 103889#false, 103888#true, 103891#(<= ULTIMATE.start_main_~k~5 1), 103890#(<= ULTIMATE.start_main_~k~5 0), 103893#(<= ULTIMATE.start_main_~k~5 3), 103892#(<= ULTIMATE.start_main_~k~5 2), 103895#(<= ULTIMATE.start_main_~k~5 5), 103894#(<= ULTIMATE.start_main_~k~5 4), 103897#(<= ULTIMATE.start_main_~k~5 7), 103896#(<= ULTIMATE.start_main_~k~5 6), 103899#(<= ULTIMATE.start_main_~k~5 9), 103898#(<= ULTIMATE.start_main_~k~5 8), 103901#(<= ULTIMATE.start_main_~k~5 11), 103900#(<= ULTIMATE.start_main_~k~5 10), 103903#(<= ULTIMATE.start_main_~k~5 13), 103902#(<= ULTIMATE.start_main_~k~5 12), 103905#(<= ULTIMATE.start_main_~k~5 15), 103904#(<= ULTIMATE.start_main_~k~5 14), 103907#(<= ULTIMATE.start_main_~k~5 17), 103906#(<= ULTIMATE.start_main_~k~5 16), 103909#(<= ULTIMATE.start_main_~k~5 19), 103908#(<= ULTIMATE.start_main_~k~5 18), 103911#(<= ULTIMATE.start_main_~k~5 21), 103910#(<= ULTIMATE.start_main_~k~5 20), 103913#(<= ULTIMATE.start_main_~k~5 23), 103912#(<= ULTIMATE.start_main_~k~5 22), 103915#(<= ULTIMATE.start_main_~k~5 25), 103914#(<= ULTIMATE.start_main_~k~5 24), 103917#(<= ULTIMATE.start_main_~k~5 27), 103916#(<= ULTIMATE.start_main_~k~5 26), 103919#(<= ULTIMATE.start_main_~k~5 29), 103918#(<= ULTIMATE.start_main_~k~5 28), 103921#(<= ULTIMATE.start_main_~k~5 31), 103920#(<= ULTIMATE.start_main_~k~5 30), 103923#(<= ULTIMATE.start_main_~k~5 33), 103922#(<= ULTIMATE.start_main_~k~5 32), 103925#(<= ULTIMATE.start_main_~k~5 35), 103924#(<= ULTIMATE.start_main_~k~5 34), 103927#(<= ULTIMATE.start_main_~k~5 37), 103926#(<= ULTIMATE.start_main_~k~5 36), 103929#(<= ULTIMATE.start_main_~k~5 39), 103928#(<= ULTIMATE.start_main_~k~5 38), 103931#(<= ULTIMATE.start_main_~k~5 41), 103930#(<= ULTIMATE.start_main_~k~5 40), 103933#(<= ULTIMATE.start_main_~k~5 43), 103932#(<= ULTIMATE.start_main_~k~5 42), 103935#(<= ULTIMATE.start_main_~k~5 45), 103934#(<= ULTIMATE.start_main_~k~5 44)] [2018-07-23 13:42:44,308 INFO L134 CoverageAnalysis]: Checked inductivity of 19900 backedges. 0 proven. 19900 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2018-07-23 13:42:44,308 INFO L450 AbstractCegarLoop]: Interpolant automaton has 202 states [2018-07-23 13:42:44,311 INFO L132 InterpolantAutomaton]: Constructing interpolant automaton starting with 202 interpolants. [2018-07-23 13:42:44,312 INFO L133 InterpolantAutomaton]: CoverageRelationStatistics Valid=20301, Invalid=20301, Unknown=0, NotChecked=0, Total=40602 [2018-07-23 13:42:44,313 INFO L87 Difference]: Start difference. First operand 203 states and 203 transitions. Second operand 202 states. [2018-07-23 13:42:45,016 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2018-07-23 13:42:45,016 INFO L93 Difference]: Finished difference Result 206 states and 206 transitions. [2018-07-23 13:42:45,016 INFO L142 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 202 states. [2018-07-23 13:42:45,016 INFO L78 Accepts]: Start accepts. Automaton has 202 states. Word has length 202 [2018-07-23 13:42:45,016 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2018-07-23 13:42:45,017 INFO L225 Difference]: With dead ends: 206 [2018-07-23 13:42:45,017 INFO L226 Difference]: Without dead ends: 204 [2018-07-23 13:42:45,019 INFO L575 BasicCegarLoop]: 0 DeclaredPredicates, 201 GetRequests, 1 SyntacticMatches, 0 SemanticMatches, 200 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 0 ImplicationChecksByTransitivity, 0.8s TimeCoverageRelationStatistics Valid=20301, Invalid=20301, Unknown=0, NotChecked=0, Total=40602 [2018-07-23 13:42:45,019 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 204 states. [2018-07-23 13:42:45,021 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 204 to 204. [2018-07-23 13:42:45,021 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 204 states. [2018-07-23 13:42:45,022 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 204 states to 204 states and 204 transitions. [2018-07-23 13:42:45,022 INFO L78 Accepts]: Start accepts. Automaton has 204 states and 204 transitions. Word has length 202 [2018-07-23 13:42:45,022 INFO L84 Accepts]: Finished accepts. word is rejected. [2018-07-23 13:42:45,022 INFO L471 AbstractCegarLoop]: Abstraction has 204 states and 204 transitions. [2018-07-23 13:42:45,022 INFO L472 AbstractCegarLoop]: Interpolant automaton has 202 states. [2018-07-23 13:42:45,022 INFO L276 IsEmpty]: Start isEmpty. Operand 204 states and 204 transitions. [2018-07-23 13:42:45,023 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 204 [2018-07-23 13:42:45,023 INFO L349 BasicCegarLoop]: Found error trace [2018-07-23 13:42:45,023 INFO L357 BasicCegarLoop]: trace histogram [200, 1, 1, 1] [2018-07-23 13:42:45,023 INFO L414 AbstractCegarLoop]: === Iteration 201 === [ULTIMATE.startErr0AssertViolationASSERT]=== [2018-07-23 13:42:45,023 INFO L82 PathProgramCache]: Analyzing trace with hash 1965190337, now seen corresponding path program 200 times [2018-07-23 13:42:45,023 INFO L69 tionRefinementEngine]: Using refinement strategy FixedRefinementStrategy [2018-07-23 13:42:45,114 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-07-23 13:42:46,101 INFO L134 CoverageAnalysis]: Checked inductivity of 20100 backedges. 0 proven. 20100 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2018-07-23 13:42:46,102 INFO L309 seRefinementStrategy]: Constructing automaton from 0 perfect and 1 imperfect interpolant sequences. [2018-07-23 13:42:46,102 INFO L324 seRefinementStrategy]: Number of different interpolants: perfect sequences [] imperfect sequences [202] total 202 [2018-07-23 13:42:46,102 INFO L142 lantAutomatonBuilder]: Constructing canonical interpolant automaton, with selfloop in false state [2018-07-23 13:42:46,102 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 13:42:46,102 INFO L185 omatonBuilderFactory]: Interpolants [104961#(<= ULTIMATE.start_main_~k~5 49), 104960#(<= ULTIMATE.start_main_~k~5 48), 104963#(<= ULTIMATE.start_main_~k~5 51), 104962#(<= ULTIMATE.start_main_~k~5 50), 104965#(<= ULTIMATE.start_main_~k~5 53), 104964#(<= ULTIMATE.start_main_~k~5 52), 104967#(<= ULTIMATE.start_main_~k~5 55), 104966#(<= ULTIMATE.start_main_~k~5 54), 104969#(<= ULTIMATE.start_main_~k~5 57), 104968#(<= ULTIMATE.start_main_~k~5 56), 104971#(<= ULTIMATE.start_main_~k~5 59), 104970#(<= ULTIMATE.start_main_~k~5 58), 104973#(<= ULTIMATE.start_main_~k~5 61), 104972#(<= ULTIMATE.start_main_~k~5 60), 104975#(<= ULTIMATE.start_main_~k~5 63), 104974#(<= ULTIMATE.start_main_~k~5 62), 104977#(<= ULTIMATE.start_main_~k~5 65), 104976#(<= ULTIMATE.start_main_~k~5 64), 104979#(<= ULTIMATE.start_main_~k~5 67), 104978#(<= ULTIMATE.start_main_~k~5 66), 104981#(<= ULTIMATE.start_main_~k~5 69), 104980#(<= ULTIMATE.start_main_~k~5 68), 104983#(<= ULTIMATE.start_main_~k~5 71), 104982#(<= ULTIMATE.start_main_~k~5 70), 104985#(<= ULTIMATE.start_main_~k~5 73), 104984#(<= ULTIMATE.start_main_~k~5 72), 104987#(<= ULTIMATE.start_main_~k~5 75), 104986#(<= ULTIMATE.start_main_~k~5 74), 104989#(<= ULTIMATE.start_main_~k~5 77), 104988#(<= ULTIMATE.start_main_~k~5 76), 104991#(<= ULTIMATE.start_main_~k~5 79), 104990#(<= ULTIMATE.start_main_~k~5 78), 104993#(<= ULTIMATE.start_main_~k~5 81), 104992#(<= ULTIMATE.start_main_~k~5 80), 104995#(<= ULTIMATE.start_main_~k~5 83), 104994#(<= ULTIMATE.start_main_~k~5 82), 104997#(<= ULTIMATE.start_main_~k~5 85), 104996#(<= ULTIMATE.start_main_~k~5 84), 104999#(<= ULTIMATE.start_main_~k~5 87), 104998#(<= ULTIMATE.start_main_~k~5 86), 105001#(<= ULTIMATE.start_main_~k~5 89), 105000#(<= ULTIMATE.start_main_~k~5 88), 105003#(<= ULTIMATE.start_main_~k~5 91), 105002#(<= ULTIMATE.start_main_~k~5 90), 105005#(<= ULTIMATE.start_main_~k~5 93), 105004#(<= ULTIMATE.start_main_~k~5 92), 105007#(<= ULTIMATE.start_main_~k~5 95), 105006#(<= ULTIMATE.start_main_~k~5 94), 105009#(<= ULTIMATE.start_main_~k~5 97), 105008#(<= ULTIMATE.start_main_~k~5 96), 105011#(<= ULTIMATE.start_main_~k~5 99), 105010#(<= ULTIMATE.start_main_~k~5 98), 105013#(<= ULTIMATE.start_main_~k~5 101), 105012#(<= ULTIMATE.start_main_~k~5 100), 105015#(<= ULTIMATE.start_main_~k~5 103), 105014#(<= ULTIMATE.start_main_~k~5 102), 105017#(<= ULTIMATE.start_main_~k~5 105), 105016#(<= ULTIMATE.start_main_~k~5 104), 105019#(<= ULTIMATE.start_main_~k~5 107), 105018#(<= ULTIMATE.start_main_~k~5 106), 105021#(<= ULTIMATE.start_main_~k~5 109), 105020#(<= ULTIMATE.start_main_~k~5 108), 105023#(<= ULTIMATE.start_main_~k~5 111), 105022#(<= ULTIMATE.start_main_~k~5 110), 105025#(<= ULTIMATE.start_main_~k~5 113), 105024#(<= ULTIMATE.start_main_~k~5 112), 105027#(<= ULTIMATE.start_main_~k~5 115), 105026#(<= ULTIMATE.start_main_~k~5 114), 105029#(<= ULTIMATE.start_main_~k~5 117), 105028#(<= ULTIMATE.start_main_~k~5 116), 105031#(<= ULTIMATE.start_main_~k~5 119), 105030#(<= ULTIMATE.start_main_~k~5 118), 105033#(<= ULTIMATE.start_main_~k~5 121), 105032#(<= ULTIMATE.start_main_~k~5 120), 105035#(<= ULTIMATE.start_main_~k~5 123), 105034#(<= ULTIMATE.start_main_~k~5 122), 105037#(<= ULTIMATE.start_main_~k~5 125), 105036#(<= ULTIMATE.start_main_~k~5 124), 105039#(<= ULTIMATE.start_main_~k~5 127), 105038#(<= ULTIMATE.start_main_~k~5 126), 105041#(<= ULTIMATE.start_main_~k~5 129), 105040#(<= ULTIMATE.start_main_~k~5 128), 105043#(<= ULTIMATE.start_main_~k~5 131), 105042#(<= ULTIMATE.start_main_~k~5 130), 105045#(<= ULTIMATE.start_main_~k~5 133), 105044#(<= ULTIMATE.start_main_~k~5 132), 105047#(<= ULTIMATE.start_main_~k~5 135), 105046#(<= ULTIMATE.start_main_~k~5 134), 105049#(<= ULTIMATE.start_main_~k~5 137), 105048#(<= ULTIMATE.start_main_~k~5 136), 105051#(<= ULTIMATE.start_main_~k~5 139), 105050#(<= ULTIMATE.start_main_~k~5 138), 105053#(<= ULTIMATE.start_main_~k~5 141), 105052#(<= ULTIMATE.start_main_~k~5 140), 105055#(<= ULTIMATE.start_main_~k~5 143), 105054#(<= ULTIMATE.start_main_~k~5 142), 105057#(<= ULTIMATE.start_main_~k~5 145), 105056#(<= ULTIMATE.start_main_~k~5 144), 105059#(<= ULTIMATE.start_main_~k~5 147), 105058#(<= ULTIMATE.start_main_~k~5 146), 105061#(<= ULTIMATE.start_main_~k~5 149), 105060#(<= ULTIMATE.start_main_~k~5 148), 105063#(<= ULTIMATE.start_main_~k~5 151), 105062#(<= ULTIMATE.start_main_~k~5 150), 105065#(<= ULTIMATE.start_main_~k~5 153), 105064#(<= ULTIMATE.start_main_~k~5 152), 105067#(<= ULTIMATE.start_main_~k~5 155), 105066#(<= ULTIMATE.start_main_~k~5 154), 105069#(<= ULTIMATE.start_main_~k~5 157), 105068#(<= ULTIMATE.start_main_~k~5 156), 105071#(<= ULTIMATE.start_main_~k~5 159), 105070#(<= ULTIMATE.start_main_~k~5 158), 105073#(<= ULTIMATE.start_main_~k~5 161), 105072#(<= ULTIMATE.start_main_~k~5 160), 105075#(<= ULTIMATE.start_main_~k~5 163), 105074#(<= ULTIMATE.start_main_~k~5 162), 105077#(<= ULTIMATE.start_main_~k~5 165), 105076#(<= ULTIMATE.start_main_~k~5 164), 105079#(<= ULTIMATE.start_main_~k~5 167), 105078#(<= ULTIMATE.start_main_~k~5 166), 105081#(<= ULTIMATE.start_main_~k~5 169), 105080#(<= ULTIMATE.start_main_~k~5 168), 105083#(<= ULTIMATE.start_main_~k~5 171), 105082#(<= ULTIMATE.start_main_~k~5 170), 105085#(<= ULTIMATE.start_main_~k~5 173), 105084#(<= ULTIMATE.start_main_~k~5 172), 105087#(<= ULTIMATE.start_main_~k~5 175), 105086#(<= ULTIMATE.start_main_~k~5 174), 105089#(<= ULTIMATE.start_main_~k~5 177), 105088#(<= ULTIMATE.start_main_~k~5 176), 105091#(<= ULTIMATE.start_main_~k~5 179), 105090#(<= ULTIMATE.start_main_~k~5 178), 105093#(<= ULTIMATE.start_main_~k~5 181), 105092#(<= ULTIMATE.start_main_~k~5 180), 105095#(<= ULTIMATE.start_main_~k~5 183), 105094#(<= ULTIMATE.start_main_~k~5 182), 105097#(<= ULTIMATE.start_main_~k~5 185), 105096#(<= ULTIMATE.start_main_~k~5 184), 105099#(<= ULTIMATE.start_main_~k~5 187), 105098#(<= ULTIMATE.start_main_~k~5 186), 105101#(<= ULTIMATE.start_main_~k~5 189), 105100#(<= ULTIMATE.start_main_~k~5 188), 105103#(<= ULTIMATE.start_main_~k~5 191), 105102#(<= ULTIMATE.start_main_~k~5 190), 105105#(<= ULTIMATE.start_main_~k~5 193), 105104#(<= ULTIMATE.start_main_~k~5 192), 105107#(<= ULTIMATE.start_main_~k~5 195), 105106#(<= ULTIMATE.start_main_~k~5 194), 105109#(<= ULTIMATE.start_main_~k~5 197), 105108#(<= ULTIMATE.start_main_~k~5 196), 105111#(<= ULTIMATE.start_main_~k~5 199), 105110#(<= ULTIMATE.start_main_~k~5 198), 105112#(<= ULTIMATE.start_main_~k~5 200), 104911#false, 104910#true, 104913#(<= ULTIMATE.start_main_~k~5 1), 104912#(<= ULTIMATE.start_main_~k~5 0), 104915#(<= ULTIMATE.start_main_~k~5 3), 104914#(<= ULTIMATE.start_main_~k~5 2), 104917#(<= ULTIMATE.start_main_~k~5 5), 104916#(<= ULTIMATE.start_main_~k~5 4), 104919#(<= ULTIMATE.start_main_~k~5 7), 104918#(<= ULTIMATE.start_main_~k~5 6), 104921#(<= ULTIMATE.start_main_~k~5 9), 104920#(<= ULTIMATE.start_main_~k~5 8), 104923#(<= ULTIMATE.start_main_~k~5 11), 104922#(<= ULTIMATE.start_main_~k~5 10), 104925#(<= ULTIMATE.start_main_~k~5 13), 104924#(<= ULTIMATE.start_main_~k~5 12), 104927#(<= ULTIMATE.start_main_~k~5 15), 104926#(<= ULTIMATE.start_main_~k~5 14), 104929#(<= ULTIMATE.start_main_~k~5 17), 104928#(<= ULTIMATE.start_main_~k~5 16), 104931#(<= ULTIMATE.start_main_~k~5 19), 104930#(<= ULTIMATE.start_main_~k~5 18), 104933#(<= ULTIMATE.start_main_~k~5 21), 104932#(<= ULTIMATE.start_main_~k~5 20), 104935#(<= ULTIMATE.start_main_~k~5 23), 104934#(<= ULTIMATE.start_main_~k~5 22), 104937#(<= ULTIMATE.start_main_~k~5 25), 104936#(<= ULTIMATE.start_main_~k~5 24), 104939#(<= ULTIMATE.start_main_~k~5 27), 104938#(<= ULTIMATE.start_main_~k~5 26), 104941#(<= ULTIMATE.start_main_~k~5 29), 104940#(<= ULTIMATE.start_main_~k~5 28), 104943#(<= ULTIMATE.start_main_~k~5 31), 104942#(<= ULTIMATE.start_main_~k~5 30), 104945#(<= ULTIMATE.start_main_~k~5 33), 104944#(<= ULTIMATE.start_main_~k~5 32), 104947#(<= ULTIMATE.start_main_~k~5 35), 104946#(<= ULTIMATE.start_main_~k~5 34), 104949#(<= ULTIMATE.start_main_~k~5 37), 104948#(<= ULTIMATE.start_main_~k~5 36), 104951#(<= ULTIMATE.start_main_~k~5 39), 104950#(<= ULTIMATE.start_main_~k~5 38), 104953#(<= ULTIMATE.start_main_~k~5 41), 104952#(<= ULTIMATE.start_main_~k~5 40), 104955#(<= ULTIMATE.start_main_~k~5 43), 104954#(<= ULTIMATE.start_main_~k~5 42), 104957#(<= ULTIMATE.start_main_~k~5 45), 104956#(<= ULTIMATE.start_main_~k~5 44), 104959#(<= ULTIMATE.start_main_~k~5 47), 104958#(<= ULTIMATE.start_main_~k~5 46)] [2018-07-23 13:42:46,103 INFO L134 CoverageAnalysis]: Checked inductivity of 20100 backedges. 0 proven. 20100 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2018-07-23 13:42:46,103 INFO L450 AbstractCegarLoop]: Interpolant automaton has 203 states [2018-07-23 13:42:46,105 INFO L132 InterpolantAutomaton]: Constructing interpolant automaton starting with 203 interpolants. [2018-07-23 13:42:46,106 INFO L133 InterpolantAutomaton]: CoverageRelationStatistics Valid=20503, Invalid=20503, Unknown=0, NotChecked=0, Total=41006 [2018-07-23 13:42:46,106 INFO L87 Difference]: Start difference. First operand 204 states and 204 transitions. Second operand 203 states. [2018-07-23 13:42:46,754 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2018-07-23 13:42:46,754 INFO L93 Difference]: Finished difference Result 207 states and 207 transitions. [2018-07-23 13:42:46,754 INFO L142 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 203 states. [2018-07-23 13:42:46,754 INFO L78 Accepts]: Start accepts. Automaton has 203 states. Word has length 203 [2018-07-23 13:42:46,755 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2018-07-23 13:42:46,755 INFO L225 Difference]: With dead ends: 207 [2018-07-23 13:42:46,755 INFO L226 Difference]: Without dead ends: 205 [2018-07-23 13:42:46,756 INFO L575 BasicCegarLoop]: 0 DeclaredPredicates, 202 GetRequests, 1 SyntacticMatches, 0 SemanticMatches, 201 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 0 ImplicationChecksByTransitivity, 0.8s TimeCoverageRelationStatistics Valid=20503, Invalid=20503, Unknown=0, NotChecked=0, Total=41006 [2018-07-23 13:42:46,756 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 205 states. [2018-07-23 13:42:46,758 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 205 to 205. [2018-07-23 13:42:46,758 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 205 states. [2018-07-23 13:42:46,758 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 205 states to 205 states and 205 transitions. [2018-07-23 13:42:46,758 INFO L78 Accepts]: Start accepts. Automaton has 205 states and 205 transitions. Word has length 203 [2018-07-23 13:42:46,758 INFO L84 Accepts]: Finished accepts. word is rejected. [2018-07-23 13:42:46,758 INFO L471 AbstractCegarLoop]: Abstraction has 205 states and 205 transitions. [2018-07-23 13:42:46,758 INFO L472 AbstractCegarLoop]: Interpolant automaton has 203 states. [2018-07-23 13:42:46,759 INFO L276 IsEmpty]: Start isEmpty. Operand 205 states and 205 transitions. [2018-07-23 13:42:46,759 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 205 [2018-07-23 13:42:46,759 INFO L349 BasicCegarLoop]: Found error trace [2018-07-23 13:42:46,759 INFO L357 BasicCegarLoop]: trace histogram [201, 1, 1, 1] [2018-07-23 13:42:46,759 INFO L414 AbstractCegarLoop]: === Iteration 202 === [ULTIMATE.startErr0AssertViolationASSERT]=== [2018-07-23 13:42:46,759 INFO L82 PathProgramCache]: Analyzing trace with hash 791356328, now seen corresponding path program 201 times [2018-07-23 13:42:46,759 INFO L69 tionRefinementEngine]: Using refinement strategy FixedRefinementStrategy [2018-07-23 13:42:46,844 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-07-23 13:42:47,792 INFO L134 CoverageAnalysis]: Checked inductivity of 20301 backedges. 0 proven. 20301 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2018-07-23 13:42:47,792 INFO L309 seRefinementStrategy]: Constructing automaton from 0 perfect and 1 imperfect interpolant sequences. [2018-07-23 13:42:47,793 INFO L324 seRefinementStrategy]: Number of different interpolants: perfect sequences [] imperfect sequences [203] total 203 [2018-07-23 13:42:47,793 INFO L142 lantAutomatonBuilder]: Constructing canonical interpolant automaton, with selfloop in false state [2018-07-23 13:42:47,793 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2018-07-23 13:42:47,793 INFO L185 omatonBuilderFactory]: Interpolants [105985#(<= ULTIMATE.start_main_~k~5 46), 105984#(<= ULTIMATE.start_main_~k~5 45), 105987#(<= ULTIMATE.start_main_~k~5 48), 105986#(<= ULTIMATE.start_main_~k~5 47), 105989#(<= ULTIMATE.start_main_~k~5 50), 105988#(<= ULTIMATE.start_main_~k~5 49), 105991#(<= ULTIMATE.start_main_~k~5 52), 105990#(<= ULTIMATE.start_main_~k~5 51), 105993#(<= ULTIMATE.start_main_~k~5 54), 105992#(<= ULTIMATE.start_main_~k~5 53), 105995#(<= ULTIMATE.start_main_~k~5 56), 105994#(<= ULTIMATE.start_main_~k~5 55), 105997#(<= ULTIMATE.start_main_~k~5 58), 105996#(<= ULTIMATE.start_main_~k~5 57), 105999#(<= ULTIMATE.start_main_~k~5 60), 105998#(<= ULTIMATE.start_main_~k~5 59), 106001#(<= ULTIMATE.start_main_~k~5 62), 106000#(<= ULTIMATE.start_main_~k~5 61), 106003#(<= ULTIMATE.start_main_~k~5 64), 106002#(<= ULTIMATE.start_main_~k~5 63), 106005#(<= ULTIMATE.start_main_~k~5 66), 106004#(<= ULTIMATE.start_main_~k~5 65), 106007#(<= ULTIMATE.start_main_~k~5 68), 106006#(<= ULTIMATE.start_main_~k~5 67), 106009#(<= ULTIMATE.start_main_~k~5 70), 106008#(<= ULTIMATE.start_main_~k~5 69), 106011#(<= ULTIMATE.start_main_~k~5 72), 106010#(<= ULTIMATE.start_main_~k~5 71), 106013#(<= ULTIMATE.start_main_~k~5 74), 106012#(<= ULTIMATE.start_main_~k~5 73), 106015#(<= ULTIMATE.start_main_~k~5 76), 106014#(<= ULTIMATE.start_main_~k~5 75), 106017#(<= ULTIMATE.start_main_~k~5 78), 106016#(<= ULTIMATE.start_main_~k~5 77), 106019#(<= ULTIMATE.start_main_~k~5 80), 106018#(<= ULTIMATE.start_main_~k~5 79), 106021#(<= ULTIMATE.start_main_~k~5 82), 106020#(<= ULTIMATE.start_main_~k~5 81), 106023#(<= ULTIMATE.start_main_~k~5 84), 106022#(<= ULTIMATE.start_main_~k~5 83), 106025#(<= ULTIMATE.start_main_~k~5 86), 106024#(<= ULTIMATE.start_main_~k~5 85), 106027#(<= ULTIMATE.start_main_~k~5 88), 106026#(<= ULTIMATE.start_main_~k~5 87), 106029#(<= ULTIMATE.start_main_~k~5 90), 106028#(<= ULTIMATE.start_main_~k~5 89), 106031#(<= ULTIMATE.start_main_~k~5 92), 106030#(<= ULTIMATE.start_main_~k~5 91), 106033#(<= ULTIMATE.start_main_~k~5 94), 106032#(<= ULTIMATE.start_main_~k~5 93), 106035#(<= ULTIMATE.start_main_~k~5 96), 106034#(<= ULTIMATE.start_main_~k~5 95), 106037#(<= ULTIMATE.start_main_~k~5 98), 106036#(<= ULTIMATE.start_main_~k~5 97), 106039#(<= ULTIMATE.start_main_~k~5 100), 106038#(<= ULTIMATE.start_main_~k~5 99), 106041#(<= ULTIMATE.start_main_~k~5 102), 106040#(<= ULTIMATE.start_main_~k~5 101), 106043#(<= ULTIMATE.start_main_~k~5 104), 106042#(<= ULTIMATE.start_main_~k~5 103), 106045#(<= ULTIMATE.start_main_~k~5 106), 106044#(<= ULTIMATE.start_main_~k~5 105), 106047#(<= ULTIMATE.start_main_~k~5 108), 106046#(<= ULTIMATE.start_main_~k~5 107), 106049#(<= ULTIMATE.start_main_~k~5 110), 106048#(<= ULTIMATE.start_main_~k~5 109), 106051#(<= ULTIMATE.start_main_~k~5 112), 106050#(<= ULTIMATE.start_main_~k~5 111), 106053#(<= ULTIMATE.start_main_~k~5 114), 106052#(<= ULTIMATE.start_main_~k~5 113), 106055#(<= ULTIMATE.start_main_~k~5 116), 106054#(<= ULTIMATE.start_main_~k~5 115), 106057#(<= ULTIMATE.start_main_~k~5 118), 106056#(<= ULTIMATE.start_main_~k~5 117), 106059#(<= ULTIMATE.start_main_~k~5 120), 106058#(<= ULTIMATE.start_main_~k~5 119), 106061#(<= ULTIMATE.start_main_~k~5 122), 106060#(<= ULTIMATE.start_main_~k~5 121), 106063#(<= ULTIMATE.start_main_~k~5 124), 106062#(<= ULTIMATE.start_main_~k~5 123), 106065#(<= ULTIMATE.start_main_~k~5 126), 106064#(<= ULTIMATE.start_main_~k~5 125), 106067#(<= ULTIMATE.start_main_~k~5 128), 106066#(<= ULTIMATE.start_main_~k~5 127), 106069#(<= ULTIMATE.start_main_~k~5 130), 106068#(<= ULTIMATE.start_main_~k~5 129), 106071#(<= ULTIMATE.start_main_~k~5 132), 106070#(<= ULTIMATE.start_main_~k~5 131), 106073#(<= ULTIMATE.start_main_~k~5 134), 106072#(<= ULTIMATE.start_main_~k~5 133), 106075#(<= ULTIMATE.start_main_~k~5 136), 106074#(<= ULTIMATE.start_main_~k~5 135), 106077#(<= ULTIMATE.start_main_~k~5 138), 106076#(<= ULTIMATE.start_main_~k~5 137), 106079#(<= ULTIMATE.start_main_~k~5 140), 106078#(<= ULTIMATE.start_main_~k~5 139), 106081#(<= ULTIMATE.start_main_~k~5 142), 106080#(<= ULTIMATE.start_main_~k~5 141), 106083#(<= ULTIMATE.start_main_~k~5 144), 106082#(<= ULTIMATE.start_main_~k~5 143), 106085#(<= ULTIMATE.start_main_~k~5 146), 106084#(<= ULTIMATE.start_main_~k~5 145), 106087#(<= ULTIMATE.start_main_~k~5 148), 106086#(<= ULTIMATE.start_main_~k~5 147), 106089#(<= ULTIMATE.start_main_~k~5 150), 106088#(<= ULTIMATE.start_main_~k~5 149), 106091#(<= ULTIMATE.start_main_~k~5 152), 106090#(<= ULTIMATE.start_main_~k~5 151), 106093#(<= ULTIMATE.start_main_~k~5 154), 106092#(<= ULTIMATE.start_main_~k~5 153), 106095#(<= ULTIMATE.start_main_~k~5 156), 106094#(<= ULTIMATE.start_main_~k~5 155), 106097#(<= ULTIMATE.start_main_~k~5 158), 106096#(<= ULTIMATE.start_main_~k~5 157), 106099#(<= ULTIMATE.start_main_~k~5 160), 106098#(<= ULTIMATE.start_main_~k~5 159), 106101#(<= ULTIMATE.start_main_~k~5 162), 106100#(<= ULTIMATE.start_main_~k~5 161), 106103#(<= ULTIMATE.start_main_~k~5 164), 106102#(<= ULTIMATE.start_main_~k~5 163), 106105#(<= ULTIMATE.start_main_~k~5 166), 106104#(<= ULTIMATE.start_main_~k~5 165), 106107#(<= ULTIMATE.start_main_~k~5 168), 106106#(<= ULTIMATE.start_main_~k~5 167), 106109#(<= ULTIMATE.start_main_~k~5 170), 106108#(<= ULTIMATE.start_main_~k~5 169), 106111#(<= ULTIMATE.start_main_~k~5 172), 106110#(<= ULTIMATE.start_main_~k~5 171), 106113#(<= ULTIMATE.start_main_~k~5 174), 106112#(<= ULTIMATE.start_main_~k~5 173), 106115#(<= ULTIMATE.start_main_~k~5 176), 106114#(<= ULTIMATE.start_main_~k~5 175), 106117#(<= ULTIMATE.start_main_~k~5 178), 106116#(<= ULTIMATE.start_main_~k~5 177), 106119#(<= ULTIMATE.start_main_~k~5 180), 106118#(<= ULTIMATE.start_main_~k~5 179), 106121#(<= ULTIMATE.start_main_~k~5 182), 106120#(<= ULTIMATE.start_main_~k~5 181), 106123#(<= ULTIMATE.start_main_~k~5 184), 106122#(<= ULTIMATE.start_main_~k~5 183), 106125#(<= ULTIMATE.start_main_~k~5 186), 106124#(<= ULTIMATE.start_main_~k~5 185), 106127#(<= ULTIMATE.start_main_~k~5 188), 106126#(<= ULTIMATE.start_main_~k~5 187), 106129#(<= ULTIMATE.start_main_~k~5 190), 106128#(<= ULTIMATE.start_main_~k~5 189), 106131#(<= ULTIMATE.start_main_~k~5 192), 106130#(<= ULTIMATE.start_main_~k~5 191), 106133#(<= ULTIMATE.start_main_~k~5 194), 106132#(<= ULTIMATE.start_main_~k~5 193), 106135#(<= ULTIMATE.start_main_~k~5 196), 106134#(<= ULTIMATE.start_main_~k~5 195), 106137#(<= ULTIMATE.start_main_~k~5 198), 106136#(<= ULTIMATE.start_main_~k~5 197), 106139#(<= ULTIMATE.start_main_~k~5 200), 106138#(<= ULTIMATE.start_main_~k~5 199), 106140#(<= ULTIMATE.start_main_~k~5 201), 105937#true, 105939#(<= ULTIMATE.start_main_~k~5 0), 105938#false, 105941#(<= ULTIMATE.start_main_~k~5 2), 105940#(<= ULTIMATE.start_main_~k~5 1), 105943#(<= ULTIMATE.start_main_~k~5 4), 105942#(<= ULTIMATE.start_main_~k~5 3), 105945#(<= ULTIMATE.start_main_~k~5 6), 105944#(<= ULTIMATE.start_main_~k~5 5), 105947#(<= ULTIMATE.start_main_~k~5 8), 105946#(<= ULTIMATE.start_main_~k~5 7), 105949#(<= ULTIMATE.start_main_~k~5 10), 105948#(<= ULTIMATE.start_main_~k~5 9), 105951#(<= ULTIMATE.start_main_~k~5 12), 105950#(<= ULTIMATE.start_main_~k~5 11), 105953#(<= ULTIMATE.start_main_~k~5 14), 105952#(<= ULTIMATE.start_main_~k~5 13), 105955#(<= ULTIMATE.start_main_~k~5 16), 105954#(<= ULTIMATE.start_main_~k~5 15), 105957#(<= ULTIMATE.start_main_~k~5 18), 105956#(<= ULTIMATE.start_main_~k~5 17), 105959#(<= ULTIMATE.start_main_~k~5 20), 105958#(<= ULTIMATE.start_main_~k~5 19), 105961#(<= ULTIMATE.start_main_~k~5 22), 105960#(<= ULTIMATE.start_main_~k~5 21), 105963#(<= ULTIMATE.start_main_~k~5 24), 105962#(<= ULTIMATE.start_main_~k~5 23), 105965#(<= ULTIMATE.start_main_~k~5 26), 105964#(<= ULTIMATE.start_main_~k~5 25), 105967#(<= ULTIMATE.start_main_~k~5 28), 105966#(<= ULTIMATE.start_main_~k~5 27), 105969#(<= ULTIMATE.start_main_~k~5 30), 105968#(<= ULTIMATE.start_main_~k~5 29), 105971#(<= ULTIMATE.start_main_~k~5 32), 105970#(<= ULTIMATE.start_main_~k~5 31), 105973#(<= ULTIMATE.start_main_~k~5 34), 105972#(<= ULTIMATE.start_main_~k~5 33), 105975#(<= ULTIMATE.start_main_~k~5 36), 105974#(<= ULTIMATE.start_main_~k~5 35), 105977#(<= ULTIMATE.start_main_~k~5 38), 105976#(<= ULTIMATE.start_main_~k~5 37), 105979#(<= ULTIMATE.start_main_~k~5 40), 105978#(<= ULTIMATE.start_main_~k~5 39), 105981#(<= ULTIMATE.start_main_~k~5 42), 105980#(<= ULTIMATE.start_main_~k~5 41), 105983#(<= ULTIMATE.start_main_~k~5 44), 105982#(<= ULTIMATE.start_main_~k~5 43)] [2018-07-23 13:42:47,795 INFO L134 CoverageAnalysis]: Checked inductivity of 20301 backedges. 0 proven. 20301 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2018-07-23 13:42:47,795 INFO L450 AbstractCegarLoop]: Interpolant automaton has 204 states [2018-07-23 13:42:47,799 INFO L132 InterpolantAutomaton]: Constructing interpolant automaton starting with 204 interpolants. [2018-07-23 13:42:47,801 INFO L133 InterpolantAutomaton]: CoverageRelationStatistics Valid=20706, Invalid=20706, Unknown=0, NotChecked=0, Total=41412 [2018-07-23 13:42:47,801 INFO L87 Difference]: Start difference. First operand 205 states and 205 transitions. Second operand 204 states. [2018-07-23 13:42:48,550 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2018-07-23 13:42:48,550 INFO L93 Difference]: Finished difference Result 208 states and 208 transitions. [2018-07-23 13:42:48,550 INFO L142 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 204 states. [2018-07-23 13:42:48,550 INFO L78 Accepts]: Start accepts. Automaton has 204 states. Word has length 204 [2018-07-23 13:42:48,551 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2018-07-23 13:42:48,551 INFO L225 Difference]: With dead ends: 208 [2018-07-23 13:42:48,551 INFO L226 Difference]: Without dead ends: 206 [2018-07-23 13:42:48,553 INFO L575 BasicCegarLoop]: 0 DeclaredPredicates, 203 GetRequests, 1 SyntacticMatches, 0 SemanticMatches, 202 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 0 ImplicationChecksByTransitivity, 0.8s TimeCoverageRelationStatistics Valid=20706, Invalid=20706, Unknown=0, NotChecked=0, Total=41412 [2018-07-23 13:42:48,553 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 206 states. [2018-07-23 13:42:48,555 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 206 to 206. [2018-07-23 13:42:48,555 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 206 states. [2018-07-23 13:42:48,555 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 206 states to 206 states and 206 transitions. [2018-07-23 13:42:48,555 INFO L78 Accepts]: Start accepts. Automaton has 206 states and 206 transitions. Word has length 204 [2018-07-23 13:42:48,555 INFO L84 Accepts]: Finished accepts. word is rejected. [2018-07-23 13:42:48,555 INFO L471 AbstractCegarLoop]: Abstraction has 206 states and 206 transitions. [2018-07-23 13:42:48,555 INFO L472 AbstractCegarLoop]: Interpolant automaton has 204 states. [2018-07-23 13:42:48,556 INFO L276 IsEmpty]: Start isEmpty. Operand 206 states and 206 transitions. [2018-07-23 13:42:48,556 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 206 [2018-07-23 13:42:48,556 INFO L349 BasicCegarLoop]: Found error trace [2018-07-23 13:42:48,556 INFO L357 BasicCegarLoop]: trace histogram [202, 1, 1, 1] [2018-07-23 13:42:48,556 INFO L414 AbstractCegarLoop]: === Iteration 203 === [ULTIMATE.startErr0AssertViolationASSERT]=== [2018-07-23 13:42:48,556 INFO L82 PathProgramCache]: Analyzing trace with hash -1237759583, now seen corresponding path program 202 times [2018-07-23 13:42:48,556 INFO L69 tionRefinementEngine]: Using refinement strategy FixedRefinementStrategy [2018-07-23 13:42:48,649 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-07-23 13:42:49,625 INFO L134 CoverageAnalysis]: Checked inductivity of 20503 backedges. 0 proven. 20503 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2018-07-23 13:42:49,625 INFO L309 seRefinementStrategy]: Constructing automaton from 0 perfect and 1 imperfect interpolant sequences. [2018-07-23 13:42:49,625 INFO L324 seRefinementStrategy]: Number of different interpolants: perfect sequences [] imperfect sequences [204] total 204 [2018-07-23 13:42:49,626 INFO L142 lantAutomatonBuilder]: Constructing canonical interpolant automaton, with selfloop in false state [2018-07-23 13:42:49,626 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2018-07-23 13:42:49,626 INFO L185 omatonBuilderFactory]: Interpolants [107009#(<= ULTIMATE.start_main_~k~5 38), 107008#(<= ULTIMATE.start_main_~k~5 37), 107011#(<= ULTIMATE.start_main_~k~5 40), 107010#(<= ULTIMATE.start_main_~k~5 39), 107013#(<= ULTIMATE.start_main_~k~5 42), 107012#(<= ULTIMATE.start_main_~k~5 41), 107015#(<= ULTIMATE.start_main_~k~5 44), 107014#(<= ULTIMATE.start_main_~k~5 43), 107017#(<= ULTIMATE.start_main_~k~5 46), 107016#(<= ULTIMATE.start_main_~k~5 45), 107019#(<= ULTIMATE.start_main_~k~5 48), 107018#(<= ULTIMATE.start_main_~k~5 47), 107021#(<= ULTIMATE.start_main_~k~5 50), 107020#(<= ULTIMATE.start_main_~k~5 49), 107023#(<= ULTIMATE.start_main_~k~5 52), 107022#(<= ULTIMATE.start_main_~k~5 51), 107025#(<= ULTIMATE.start_main_~k~5 54), 107024#(<= ULTIMATE.start_main_~k~5 53), 107027#(<= ULTIMATE.start_main_~k~5 56), 107026#(<= ULTIMATE.start_main_~k~5 55), 107029#(<= ULTIMATE.start_main_~k~5 58), 107028#(<= ULTIMATE.start_main_~k~5 57), 107031#(<= ULTIMATE.start_main_~k~5 60), 107030#(<= ULTIMATE.start_main_~k~5 59), 107033#(<= ULTIMATE.start_main_~k~5 62), 107032#(<= ULTIMATE.start_main_~k~5 61), 107035#(<= ULTIMATE.start_main_~k~5 64), 107034#(<= ULTIMATE.start_main_~k~5 63), 107037#(<= ULTIMATE.start_main_~k~5 66), 107036#(<= ULTIMATE.start_main_~k~5 65), 107039#(<= ULTIMATE.start_main_~k~5 68), 107038#(<= ULTIMATE.start_main_~k~5 67), 107041#(<= ULTIMATE.start_main_~k~5 70), 107040#(<= ULTIMATE.start_main_~k~5 69), 107043#(<= ULTIMATE.start_main_~k~5 72), 107042#(<= ULTIMATE.start_main_~k~5 71), 107045#(<= ULTIMATE.start_main_~k~5 74), 107044#(<= ULTIMATE.start_main_~k~5 73), 107047#(<= ULTIMATE.start_main_~k~5 76), 107046#(<= ULTIMATE.start_main_~k~5 75), 107049#(<= ULTIMATE.start_main_~k~5 78), 107048#(<= ULTIMATE.start_main_~k~5 77), 107051#(<= ULTIMATE.start_main_~k~5 80), 107050#(<= ULTIMATE.start_main_~k~5 79), 107053#(<= ULTIMATE.start_main_~k~5 82), 107052#(<= ULTIMATE.start_main_~k~5 81), 107055#(<= ULTIMATE.start_main_~k~5 84), 107054#(<= ULTIMATE.start_main_~k~5 83), 107057#(<= ULTIMATE.start_main_~k~5 86), 107056#(<= ULTIMATE.start_main_~k~5 85), 107059#(<= ULTIMATE.start_main_~k~5 88), 107058#(<= ULTIMATE.start_main_~k~5 87), 107061#(<= ULTIMATE.start_main_~k~5 90), 107060#(<= ULTIMATE.start_main_~k~5 89), 107063#(<= ULTIMATE.start_main_~k~5 92), 107062#(<= ULTIMATE.start_main_~k~5 91), 107065#(<= ULTIMATE.start_main_~k~5 94), 107064#(<= ULTIMATE.start_main_~k~5 93), 107067#(<= ULTIMATE.start_main_~k~5 96), 107066#(<= ULTIMATE.start_main_~k~5 95), 107069#(<= ULTIMATE.start_main_~k~5 98), 107068#(<= ULTIMATE.start_main_~k~5 97), 107071#(<= ULTIMATE.start_main_~k~5 100), 107070#(<= ULTIMATE.start_main_~k~5 99), 107073#(<= ULTIMATE.start_main_~k~5 102), 107072#(<= ULTIMATE.start_main_~k~5 101), 107075#(<= ULTIMATE.start_main_~k~5 104), 107074#(<= ULTIMATE.start_main_~k~5 103), 107077#(<= ULTIMATE.start_main_~k~5 106), 107076#(<= ULTIMATE.start_main_~k~5 105), 107079#(<= ULTIMATE.start_main_~k~5 108), 107078#(<= ULTIMATE.start_main_~k~5 107), 107081#(<= ULTIMATE.start_main_~k~5 110), 107080#(<= ULTIMATE.start_main_~k~5 109), 107083#(<= ULTIMATE.start_main_~k~5 112), 107082#(<= ULTIMATE.start_main_~k~5 111), 107085#(<= ULTIMATE.start_main_~k~5 114), 107084#(<= ULTIMATE.start_main_~k~5 113), 107087#(<= ULTIMATE.start_main_~k~5 116), 107086#(<= ULTIMATE.start_main_~k~5 115), 107089#(<= ULTIMATE.start_main_~k~5 118), 107088#(<= ULTIMATE.start_main_~k~5 117), 107091#(<= ULTIMATE.start_main_~k~5 120), 107090#(<= ULTIMATE.start_main_~k~5 119), 107093#(<= ULTIMATE.start_main_~k~5 122), 107092#(<= ULTIMATE.start_main_~k~5 121), 107095#(<= ULTIMATE.start_main_~k~5 124), 107094#(<= ULTIMATE.start_main_~k~5 123), 107097#(<= ULTIMATE.start_main_~k~5 126), 107096#(<= ULTIMATE.start_main_~k~5 125), 107099#(<= ULTIMATE.start_main_~k~5 128), 107098#(<= ULTIMATE.start_main_~k~5 127), 107101#(<= ULTIMATE.start_main_~k~5 130), 107100#(<= ULTIMATE.start_main_~k~5 129), 107103#(<= ULTIMATE.start_main_~k~5 132), 107102#(<= ULTIMATE.start_main_~k~5 131), 107105#(<= ULTIMATE.start_main_~k~5 134), 107104#(<= ULTIMATE.start_main_~k~5 133), 107107#(<= ULTIMATE.start_main_~k~5 136), 107106#(<= ULTIMATE.start_main_~k~5 135), 107109#(<= ULTIMATE.start_main_~k~5 138), 107108#(<= ULTIMATE.start_main_~k~5 137), 107111#(<= ULTIMATE.start_main_~k~5 140), 107110#(<= ULTIMATE.start_main_~k~5 139), 107113#(<= ULTIMATE.start_main_~k~5 142), 107112#(<= ULTIMATE.start_main_~k~5 141), 107115#(<= ULTIMATE.start_main_~k~5 144), 107114#(<= ULTIMATE.start_main_~k~5 143), 107117#(<= ULTIMATE.start_main_~k~5 146), 107116#(<= ULTIMATE.start_main_~k~5 145), 107119#(<= ULTIMATE.start_main_~k~5 148), 107118#(<= ULTIMATE.start_main_~k~5 147), 107121#(<= ULTIMATE.start_main_~k~5 150), 107120#(<= ULTIMATE.start_main_~k~5 149), 107123#(<= ULTIMATE.start_main_~k~5 152), 107122#(<= ULTIMATE.start_main_~k~5 151), 107125#(<= ULTIMATE.start_main_~k~5 154), 107124#(<= ULTIMATE.start_main_~k~5 153), 107127#(<= ULTIMATE.start_main_~k~5 156), 107126#(<= ULTIMATE.start_main_~k~5 155), 107129#(<= ULTIMATE.start_main_~k~5 158), 107128#(<= ULTIMATE.start_main_~k~5 157), 107131#(<= ULTIMATE.start_main_~k~5 160), 107130#(<= ULTIMATE.start_main_~k~5 159), 107133#(<= ULTIMATE.start_main_~k~5 162), 107132#(<= ULTIMATE.start_main_~k~5 161), 107135#(<= ULTIMATE.start_main_~k~5 164), 107134#(<= ULTIMATE.start_main_~k~5 163), 107137#(<= ULTIMATE.start_main_~k~5 166), 107136#(<= ULTIMATE.start_main_~k~5 165), 107139#(<= ULTIMATE.start_main_~k~5 168), 107138#(<= ULTIMATE.start_main_~k~5 167), 107141#(<= ULTIMATE.start_main_~k~5 170), 107140#(<= ULTIMATE.start_main_~k~5 169), 107143#(<= ULTIMATE.start_main_~k~5 172), 107142#(<= ULTIMATE.start_main_~k~5 171), 107145#(<= ULTIMATE.start_main_~k~5 174), 107144#(<= ULTIMATE.start_main_~k~5 173), 107147#(<= ULTIMATE.start_main_~k~5 176), 107146#(<= ULTIMATE.start_main_~k~5 175), 107149#(<= ULTIMATE.start_main_~k~5 178), 107148#(<= ULTIMATE.start_main_~k~5 177), 107151#(<= ULTIMATE.start_main_~k~5 180), 107150#(<= ULTIMATE.start_main_~k~5 179), 107153#(<= ULTIMATE.start_main_~k~5 182), 107152#(<= ULTIMATE.start_main_~k~5 181), 107155#(<= ULTIMATE.start_main_~k~5 184), 107154#(<= ULTIMATE.start_main_~k~5 183), 107157#(<= ULTIMATE.start_main_~k~5 186), 107156#(<= ULTIMATE.start_main_~k~5 185), 107159#(<= ULTIMATE.start_main_~k~5 188), 107158#(<= ULTIMATE.start_main_~k~5 187), 107161#(<= ULTIMATE.start_main_~k~5 190), 107160#(<= ULTIMATE.start_main_~k~5 189), 107163#(<= ULTIMATE.start_main_~k~5 192), 107162#(<= ULTIMATE.start_main_~k~5 191), 107165#(<= ULTIMATE.start_main_~k~5 194), 107164#(<= ULTIMATE.start_main_~k~5 193), 107167#(<= ULTIMATE.start_main_~k~5 196), 107166#(<= ULTIMATE.start_main_~k~5 195), 107169#(<= ULTIMATE.start_main_~k~5 198), 107168#(<= ULTIMATE.start_main_~k~5 197), 107171#(<= ULTIMATE.start_main_~k~5 200), 107170#(<= ULTIMATE.start_main_~k~5 199), 107173#(<= ULTIMATE.start_main_~k~5 202), 107172#(<= ULTIMATE.start_main_~k~5 201), 106969#true, 106971#(<= ULTIMATE.start_main_~k~5 0), 106970#false, 106973#(<= ULTIMATE.start_main_~k~5 2), 106972#(<= ULTIMATE.start_main_~k~5 1), 106975#(<= ULTIMATE.start_main_~k~5 4), 106974#(<= ULTIMATE.start_main_~k~5 3), 106977#(<= ULTIMATE.start_main_~k~5 6), 106976#(<= ULTIMATE.start_main_~k~5 5), 106979#(<= ULTIMATE.start_main_~k~5 8), 106978#(<= ULTIMATE.start_main_~k~5 7), 106981#(<= ULTIMATE.start_main_~k~5 10), 106980#(<= ULTIMATE.start_main_~k~5 9), 106983#(<= ULTIMATE.start_main_~k~5 12), 106982#(<= ULTIMATE.start_main_~k~5 11), 106985#(<= ULTIMATE.start_main_~k~5 14), 106984#(<= ULTIMATE.start_main_~k~5 13), 106987#(<= ULTIMATE.start_main_~k~5 16), 106986#(<= ULTIMATE.start_main_~k~5 15), 106989#(<= ULTIMATE.start_main_~k~5 18), 106988#(<= ULTIMATE.start_main_~k~5 17), 106991#(<= ULTIMATE.start_main_~k~5 20), 106990#(<= ULTIMATE.start_main_~k~5 19), 106993#(<= ULTIMATE.start_main_~k~5 22), 106992#(<= ULTIMATE.start_main_~k~5 21), 106995#(<= ULTIMATE.start_main_~k~5 24), 106994#(<= ULTIMATE.start_main_~k~5 23), 106997#(<= ULTIMATE.start_main_~k~5 26), 106996#(<= ULTIMATE.start_main_~k~5 25), 106999#(<= ULTIMATE.start_main_~k~5 28), 106998#(<= ULTIMATE.start_main_~k~5 27), 107001#(<= ULTIMATE.start_main_~k~5 30), 107000#(<= ULTIMATE.start_main_~k~5 29), 107003#(<= ULTIMATE.start_main_~k~5 32), 107002#(<= ULTIMATE.start_main_~k~5 31), 107005#(<= ULTIMATE.start_main_~k~5 34), 107004#(<= ULTIMATE.start_main_~k~5 33), 107007#(<= ULTIMATE.start_main_~k~5 36), 107006#(<= ULTIMATE.start_main_~k~5 35)] [2018-07-23 13:42:49,628 INFO L134 CoverageAnalysis]: Checked inductivity of 20503 backedges. 0 proven. 20503 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2018-07-23 13:42:49,628 INFO L450 AbstractCegarLoop]: Interpolant automaton has 205 states [2018-07-23 13:42:49,631 INFO L132 InterpolantAutomaton]: Constructing interpolant automaton starting with 205 interpolants. [2018-07-23 13:42:49,634 INFO L133 InterpolantAutomaton]: CoverageRelationStatistics Valid=20910, Invalid=20910, Unknown=0, NotChecked=0, Total=41820 [2018-07-23 13:42:49,634 INFO L87 Difference]: Start difference. First operand 206 states and 206 transitions. Second operand 205 states. [2018-07-23 13:42:50,488 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2018-07-23 13:42:50,488 INFO L93 Difference]: Finished difference Result 209 states and 209 transitions. [2018-07-23 13:42:50,488 INFO L142 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 205 states. [2018-07-23 13:42:50,489 INFO L78 Accepts]: Start accepts. Automaton has 205 states. Word has length 205 [2018-07-23 13:42:50,489 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2018-07-23 13:42:50,489 INFO L225 Difference]: With dead ends: 209 [2018-07-23 13:42:50,489 INFO L226 Difference]: Without dead ends: 207 [2018-07-23 13:42:50,491 INFO L575 BasicCegarLoop]: 0 DeclaredPredicates, 204 GetRequests, 1 SyntacticMatches, 0 SemanticMatches, 203 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 0 ImplicationChecksByTransitivity, 0.8s TimeCoverageRelationStatistics Valid=20910, Invalid=20910, Unknown=0, NotChecked=0, Total=41820 [2018-07-23 13:42:50,492 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 207 states. [2018-07-23 13:42:50,493 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 207 to 207. [2018-07-23 13:42:50,494 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 207 states. [2018-07-23 13:42:50,494 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 207 states to 207 states and 207 transitions. [2018-07-23 13:42:50,494 INFO L78 Accepts]: Start accepts. Automaton has 207 states and 207 transitions. Word has length 205 [2018-07-23 13:42:50,494 INFO L84 Accepts]: Finished accepts. word is rejected. [2018-07-23 13:42:50,494 INFO L471 AbstractCegarLoop]: Abstraction has 207 states and 207 transitions. [2018-07-23 13:42:50,494 INFO L472 AbstractCegarLoop]: Interpolant automaton has 205 states. [2018-07-23 13:42:50,494 INFO L276 IsEmpty]: Start isEmpty. Operand 207 states and 207 transitions. [2018-07-23 13:42:50,495 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 207 [2018-07-23 13:42:50,495 INFO L349 BasicCegarLoop]: Found error trace [2018-07-23 13:42:50,495 INFO L357 BasicCegarLoop]: trace histogram [203, 1, 1, 1] [2018-07-23 13:42:50,495 INFO L414 AbstractCegarLoop]: === Iteration 204 === [ULTIMATE.startErr0AssertViolationASSERT]=== [2018-07-23 13:42:50,495 INFO L82 PathProgramCache]: Analyzing trace with hash 284156616, now seen corresponding path program 203 times [2018-07-23 13:42:50,495 INFO L69 tionRefinementEngine]: Using refinement strategy FixedRefinementStrategy [2018-07-23 13:42:50,588 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-07-23 13:42:51,567 INFO L134 CoverageAnalysis]: Checked inductivity of 20706 backedges. 0 proven. 20706 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2018-07-23 13:42:51,567 INFO L309 seRefinementStrategy]: Constructing automaton from 0 perfect and 1 imperfect interpolant sequences. [2018-07-23 13:42:51,567 INFO L324 seRefinementStrategy]: Number of different interpolants: perfect sequences [] imperfect sequences [205] total 205 [2018-07-23 13:42:51,567 INFO L142 lantAutomatonBuilder]: Constructing canonical interpolant automaton, with selfloop in false state [2018-07-23 13:42:51,568 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2018-07-23 13:42:51,568 INFO L185 omatonBuilderFactory]: Interpolants [108033#(<= ULTIMATE.start_main_~k~5 25), 108032#(<= ULTIMATE.start_main_~k~5 24), 108035#(<= ULTIMATE.start_main_~k~5 27), 108034#(<= ULTIMATE.start_main_~k~5 26), 108037#(<= ULTIMATE.start_main_~k~5 29), 108036#(<= ULTIMATE.start_main_~k~5 28), 108039#(<= ULTIMATE.start_main_~k~5 31), 108038#(<= ULTIMATE.start_main_~k~5 30), 108041#(<= ULTIMATE.start_main_~k~5 33), 108040#(<= ULTIMATE.start_main_~k~5 32), 108043#(<= ULTIMATE.start_main_~k~5 35), 108042#(<= ULTIMATE.start_main_~k~5 34), 108045#(<= ULTIMATE.start_main_~k~5 37), 108044#(<= ULTIMATE.start_main_~k~5 36), 108047#(<= ULTIMATE.start_main_~k~5 39), 108046#(<= ULTIMATE.start_main_~k~5 38), 108049#(<= ULTIMATE.start_main_~k~5 41), 108048#(<= ULTIMATE.start_main_~k~5 40), 108051#(<= ULTIMATE.start_main_~k~5 43), 108050#(<= ULTIMATE.start_main_~k~5 42), 108053#(<= ULTIMATE.start_main_~k~5 45), 108052#(<= ULTIMATE.start_main_~k~5 44), 108055#(<= ULTIMATE.start_main_~k~5 47), 108054#(<= ULTIMATE.start_main_~k~5 46), 108057#(<= ULTIMATE.start_main_~k~5 49), 108056#(<= ULTIMATE.start_main_~k~5 48), 108059#(<= ULTIMATE.start_main_~k~5 51), 108058#(<= ULTIMATE.start_main_~k~5 50), 108061#(<= ULTIMATE.start_main_~k~5 53), 108060#(<= ULTIMATE.start_main_~k~5 52), 108063#(<= ULTIMATE.start_main_~k~5 55), 108062#(<= ULTIMATE.start_main_~k~5 54), 108065#(<= ULTIMATE.start_main_~k~5 57), 108064#(<= ULTIMATE.start_main_~k~5 56), 108067#(<= ULTIMATE.start_main_~k~5 59), 108066#(<= ULTIMATE.start_main_~k~5 58), 108069#(<= ULTIMATE.start_main_~k~5 61), 108068#(<= ULTIMATE.start_main_~k~5 60), 108071#(<= ULTIMATE.start_main_~k~5 63), 108070#(<= ULTIMATE.start_main_~k~5 62), 108073#(<= ULTIMATE.start_main_~k~5 65), 108072#(<= ULTIMATE.start_main_~k~5 64), 108075#(<= ULTIMATE.start_main_~k~5 67), 108074#(<= ULTIMATE.start_main_~k~5 66), 108077#(<= ULTIMATE.start_main_~k~5 69), 108076#(<= ULTIMATE.start_main_~k~5 68), 108079#(<= ULTIMATE.start_main_~k~5 71), 108078#(<= ULTIMATE.start_main_~k~5 70), 108081#(<= ULTIMATE.start_main_~k~5 73), 108080#(<= ULTIMATE.start_main_~k~5 72), 108083#(<= ULTIMATE.start_main_~k~5 75), 108082#(<= ULTIMATE.start_main_~k~5 74), 108085#(<= ULTIMATE.start_main_~k~5 77), 108084#(<= ULTIMATE.start_main_~k~5 76), 108087#(<= ULTIMATE.start_main_~k~5 79), 108086#(<= ULTIMATE.start_main_~k~5 78), 108089#(<= ULTIMATE.start_main_~k~5 81), 108088#(<= ULTIMATE.start_main_~k~5 80), 108091#(<= ULTIMATE.start_main_~k~5 83), 108090#(<= ULTIMATE.start_main_~k~5 82), 108093#(<= ULTIMATE.start_main_~k~5 85), 108092#(<= ULTIMATE.start_main_~k~5 84), 108095#(<= ULTIMATE.start_main_~k~5 87), 108094#(<= ULTIMATE.start_main_~k~5 86), 108097#(<= ULTIMATE.start_main_~k~5 89), 108096#(<= ULTIMATE.start_main_~k~5 88), 108099#(<= ULTIMATE.start_main_~k~5 91), 108098#(<= ULTIMATE.start_main_~k~5 90), 108101#(<= ULTIMATE.start_main_~k~5 93), 108100#(<= ULTIMATE.start_main_~k~5 92), 108103#(<= ULTIMATE.start_main_~k~5 95), 108102#(<= ULTIMATE.start_main_~k~5 94), 108105#(<= ULTIMATE.start_main_~k~5 97), 108104#(<= ULTIMATE.start_main_~k~5 96), 108107#(<= ULTIMATE.start_main_~k~5 99), 108106#(<= ULTIMATE.start_main_~k~5 98), 108109#(<= ULTIMATE.start_main_~k~5 101), 108108#(<= ULTIMATE.start_main_~k~5 100), 108111#(<= ULTIMATE.start_main_~k~5 103), 108110#(<= ULTIMATE.start_main_~k~5 102), 108113#(<= ULTIMATE.start_main_~k~5 105), 108112#(<= ULTIMATE.start_main_~k~5 104), 108115#(<= ULTIMATE.start_main_~k~5 107), 108114#(<= ULTIMATE.start_main_~k~5 106), 108117#(<= ULTIMATE.start_main_~k~5 109), 108116#(<= ULTIMATE.start_main_~k~5 108), 108119#(<= ULTIMATE.start_main_~k~5 111), 108118#(<= ULTIMATE.start_main_~k~5 110), 108121#(<= ULTIMATE.start_main_~k~5 113), 108120#(<= ULTIMATE.start_main_~k~5 112), 108123#(<= ULTIMATE.start_main_~k~5 115), 108122#(<= ULTIMATE.start_main_~k~5 114), 108125#(<= ULTIMATE.start_main_~k~5 117), 108124#(<= ULTIMATE.start_main_~k~5 116), 108127#(<= ULTIMATE.start_main_~k~5 119), 108126#(<= ULTIMATE.start_main_~k~5 118), 108129#(<= ULTIMATE.start_main_~k~5 121), 108128#(<= ULTIMATE.start_main_~k~5 120), 108131#(<= ULTIMATE.start_main_~k~5 123), 108130#(<= ULTIMATE.start_main_~k~5 122), 108133#(<= ULTIMATE.start_main_~k~5 125), 108132#(<= ULTIMATE.start_main_~k~5 124), 108135#(<= ULTIMATE.start_main_~k~5 127), 108134#(<= ULTIMATE.start_main_~k~5 126), 108137#(<= ULTIMATE.start_main_~k~5 129), 108136#(<= ULTIMATE.start_main_~k~5 128), 108139#(<= ULTIMATE.start_main_~k~5 131), 108138#(<= ULTIMATE.start_main_~k~5 130), 108141#(<= ULTIMATE.start_main_~k~5 133), 108140#(<= ULTIMATE.start_main_~k~5 132), 108143#(<= ULTIMATE.start_main_~k~5 135), 108142#(<= ULTIMATE.start_main_~k~5 134), 108145#(<= ULTIMATE.start_main_~k~5 137), 108144#(<= ULTIMATE.start_main_~k~5 136), 108147#(<= ULTIMATE.start_main_~k~5 139), 108146#(<= ULTIMATE.start_main_~k~5 138), 108149#(<= ULTIMATE.start_main_~k~5 141), 108148#(<= ULTIMATE.start_main_~k~5 140), 108151#(<= ULTIMATE.start_main_~k~5 143), 108150#(<= ULTIMATE.start_main_~k~5 142), 108153#(<= ULTIMATE.start_main_~k~5 145), 108152#(<= ULTIMATE.start_main_~k~5 144), 108155#(<= ULTIMATE.start_main_~k~5 147), 108154#(<= ULTIMATE.start_main_~k~5 146), 108157#(<= ULTIMATE.start_main_~k~5 149), 108156#(<= ULTIMATE.start_main_~k~5 148), 108159#(<= ULTIMATE.start_main_~k~5 151), 108158#(<= ULTIMATE.start_main_~k~5 150), 108161#(<= ULTIMATE.start_main_~k~5 153), 108160#(<= ULTIMATE.start_main_~k~5 152), 108163#(<= ULTIMATE.start_main_~k~5 155), 108162#(<= ULTIMATE.start_main_~k~5 154), 108165#(<= ULTIMATE.start_main_~k~5 157), 108164#(<= ULTIMATE.start_main_~k~5 156), 108167#(<= ULTIMATE.start_main_~k~5 159), 108166#(<= ULTIMATE.start_main_~k~5 158), 108169#(<= ULTIMATE.start_main_~k~5 161), 108168#(<= ULTIMATE.start_main_~k~5 160), 108171#(<= ULTIMATE.start_main_~k~5 163), 108170#(<= ULTIMATE.start_main_~k~5 162), 108173#(<= ULTIMATE.start_main_~k~5 165), 108172#(<= ULTIMATE.start_main_~k~5 164), 108175#(<= ULTIMATE.start_main_~k~5 167), 108174#(<= ULTIMATE.start_main_~k~5 166), 108177#(<= ULTIMATE.start_main_~k~5 169), 108176#(<= ULTIMATE.start_main_~k~5 168), 108179#(<= ULTIMATE.start_main_~k~5 171), 108178#(<= ULTIMATE.start_main_~k~5 170), 108181#(<= ULTIMATE.start_main_~k~5 173), 108180#(<= ULTIMATE.start_main_~k~5 172), 108183#(<= ULTIMATE.start_main_~k~5 175), 108182#(<= ULTIMATE.start_main_~k~5 174), 108185#(<= ULTIMATE.start_main_~k~5 177), 108184#(<= ULTIMATE.start_main_~k~5 176), 108187#(<= ULTIMATE.start_main_~k~5 179), 108186#(<= ULTIMATE.start_main_~k~5 178), 108189#(<= ULTIMATE.start_main_~k~5 181), 108188#(<= ULTIMATE.start_main_~k~5 180), 108191#(<= ULTIMATE.start_main_~k~5 183), 108190#(<= ULTIMATE.start_main_~k~5 182), 108193#(<= ULTIMATE.start_main_~k~5 185), 108192#(<= ULTIMATE.start_main_~k~5 184), 108195#(<= ULTIMATE.start_main_~k~5 187), 108194#(<= ULTIMATE.start_main_~k~5 186), 108197#(<= ULTIMATE.start_main_~k~5 189), 108196#(<= ULTIMATE.start_main_~k~5 188), 108199#(<= ULTIMATE.start_main_~k~5 191), 108198#(<= ULTIMATE.start_main_~k~5 190), 108201#(<= ULTIMATE.start_main_~k~5 193), 108200#(<= ULTIMATE.start_main_~k~5 192), 108203#(<= ULTIMATE.start_main_~k~5 195), 108202#(<= ULTIMATE.start_main_~k~5 194), 108205#(<= ULTIMATE.start_main_~k~5 197), 108204#(<= ULTIMATE.start_main_~k~5 196), 108207#(<= ULTIMATE.start_main_~k~5 199), 108206#(<= ULTIMATE.start_main_~k~5 198), 108209#(<= ULTIMATE.start_main_~k~5 201), 108208#(<= ULTIMATE.start_main_~k~5 200), 108211#(<= ULTIMATE.start_main_~k~5 203), 108210#(<= ULTIMATE.start_main_~k~5 202), 108007#false, 108006#true, 108009#(<= ULTIMATE.start_main_~k~5 1), 108008#(<= ULTIMATE.start_main_~k~5 0), 108011#(<= ULTIMATE.start_main_~k~5 3), 108010#(<= ULTIMATE.start_main_~k~5 2), 108013#(<= ULTIMATE.start_main_~k~5 5), 108012#(<= ULTIMATE.start_main_~k~5 4), 108015#(<= ULTIMATE.start_main_~k~5 7), 108014#(<= ULTIMATE.start_main_~k~5 6), 108017#(<= ULTIMATE.start_main_~k~5 9), 108016#(<= ULTIMATE.start_main_~k~5 8), 108019#(<= ULTIMATE.start_main_~k~5 11), 108018#(<= ULTIMATE.start_main_~k~5 10), 108021#(<= ULTIMATE.start_main_~k~5 13), 108020#(<= ULTIMATE.start_main_~k~5 12), 108023#(<= ULTIMATE.start_main_~k~5 15), 108022#(<= ULTIMATE.start_main_~k~5 14), 108025#(<= ULTIMATE.start_main_~k~5 17), 108024#(<= ULTIMATE.start_main_~k~5 16), 108027#(<= ULTIMATE.start_main_~k~5 19), 108026#(<= ULTIMATE.start_main_~k~5 18), 108029#(<= ULTIMATE.start_main_~k~5 21), 108028#(<= ULTIMATE.start_main_~k~5 20), 108031#(<= ULTIMATE.start_main_~k~5 23), 108030#(<= ULTIMATE.start_main_~k~5 22)] [2018-07-23 13:42:51,569 INFO L134 CoverageAnalysis]: Checked inductivity of 20706 backedges. 0 proven. 20706 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2018-07-23 13:42:51,569 INFO L450 AbstractCegarLoop]: Interpolant automaton has 206 states [2018-07-23 13:42:51,571 INFO L132 InterpolantAutomaton]: Constructing interpolant automaton starting with 206 interpolants. [2018-07-23 13:42:51,572 INFO L133 InterpolantAutomaton]: CoverageRelationStatistics Valid=21115, Invalid=21115, Unknown=0, NotChecked=0, Total=42230 [2018-07-23 13:42:51,572 INFO L87 Difference]: Start difference. First operand 207 states and 207 transitions. Second operand 206 states. [2018-07-23 13:42:52,514 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2018-07-23 13:42:52,514 INFO L93 Difference]: Finished difference Result 210 states and 210 transitions. [2018-07-23 13:42:52,515 INFO L142 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 206 states. [2018-07-23 13:42:52,515 INFO L78 Accepts]: Start accepts. Automaton has 206 states. Word has length 206 [2018-07-23 13:42:52,515 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2018-07-23 13:42:52,515 INFO L225 Difference]: With dead ends: 210 [2018-07-23 13:42:52,515 INFO L226 Difference]: Without dead ends: 208 [2018-07-23 13:42:52,516 INFO L575 BasicCegarLoop]: 0 DeclaredPredicates, 205 GetRequests, 1 SyntacticMatches, 0 SemanticMatches, 204 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 0 ImplicationChecksByTransitivity, 0.8s TimeCoverageRelationStatistics Valid=21115, Invalid=21115, Unknown=0, NotChecked=0, Total=42230 [2018-07-23 13:42:52,517 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 208 states. [2018-07-23 13:42:52,519 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 208 to 208. [2018-07-23 13:42:52,519 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 208 states. [2018-07-23 13:42:52,519 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 208 states to 208 states and 208 transitions. [2018-07-23 13:42:52,519 INFO L78 Accepts]: Start accepts. Automaton has 208 states and 208 transitions. Word has length 206 [2018-07-23 13:42:52,519 INFO L84 Accepts]: Finished accepts. word is rejected. [2018-07-23 13:42:52,519 INFO L471 AbstractCegarLoop]: Abstraction has 208 states and 208 transitions. [2018-07-23 13:42:52,520 INFO L472 AbstractCegarLoop]: Interpolant automaton has 206 states. [2018-07-23 13:42:52,520 INFO L276 IsEmpty]: Start isEmpty. Operand 208 states and 208 transitions. [2018-07-23 13:42:52,520 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 208 [2018-07-23 13:42:52,520 INFO L349 BasicCegarLoop]: Found error trace [2018-07-23 13:42:52,520 INFO L357 BasicCegarLoop]: trace histogram [204, 1, 1, 1] [2018-07-23 13:42:52,520 INFO L414 AbstractCegarLoop]: === Iteration 205 === [ULTIMATE.startErr0AssertViolationASSERT]=== [2018-07-23 13:42:52,520 INFO L82 PathProgramCache]: Analyzing trace with hash 218918529, now seen corresponding path program 204 times [2018-07-23 13:42:52,521 INFO L69 tionRefinementEngine]: Using refinement strategy FixedRefinementStrategy [2018-07-23 13:42:52,609 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-07-23 13:42:53,568 INFO L134 CoverageAnalysis]: Checked inductivity of 20910 backedges. 0 proven. 20910 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2018-07-23 13:42:53,568 INFO L309 seRefinementStrategy]: Constructing automaton from 0 perfect and 1 imperfect interpolant sequences. [2018-07-23 13:42:53,569 INFO L324 seRefinementStrategy]: Number of different interpolants: perfect sequences [] imperfect sequences [206] total 206 [2018-07-23 13:42:53,569 INFO L142 lantAutomatonBuilder]: Constructing canonical interpolant automaton, with selfloop in false state [2018-07-23 13:42:53,569 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2018-07-23 13:42:53,569 INFO L185 omatonBuilderFactory]: Interpolants [109057#(<= ULTIMATE.start_main_~k~5 7), 109056#(<= ULTIMATE.start_main_~k~5 6), 109059#(<= ULTIMATE.start_main_~k~5 9), 109058#(<= ULTIMATE.start_main_~k~5 8), 109061#(<= ULTIMATE.start_main_~k~5 11), 109060#(<= ULTIMATE.start_main_~k~5 10), 109063#(<= ULTIMATE.start_main_~k~5 13), 109062#(<= ULTIMATE.start_main_~k~5 12), 109065#(<= ULTIMATE.start_main_~k~5 15), 109064#(<= ULTIMATE.start_main_~k~5 14), 109067#(<= ULTIMATE.start_main_~k~5 17), 109066#(<= ULTIMATE.start_main_~k~5 16), 109069#(<= ULTIMATE.start_main_~k~5 19), 109068#(<= ULTIMATE.start_main_~k~5 18), 109071#(<= ULTIMATE.start_main_~k~5 21), 109070#(<= ULTIMATE.start_main_~k~5 20), 109073#(<= ULTIMATE.start_main_~k~5 23), 109072#(<= ULTIMATE.start_main_~k~5 22), 109075#(<= ULTIMATE.start_main_~k~5 25), 109074#(<= ULTIMATE.start_main_~k~5 24), 109077#(<= ULTIMATE.start_main_~k~5 27), 109076#(<= ULTIMATE.start_main_~k~5 26), 109079#(<= ULTIMATE.start_main_~k~5 29), 109078#(<= ULTIMATE.start_main_~k~5 28), 109081#(<= ULTIMATE.start_main_~k~5 31), 109080#(<= ULTIMATE.start_main_~k~5 30), 109083#(<= ULTIMATE.start_main_~k~5 33), 109082#(<= ULTIMATE.start_main_~k~5 32), 109085#(<= ULTIMATE.start_main_~k~5 35), 109084#(<= ULTIMATE.start_main_~k~5 34), 109087#(<= ULTIMATE.start_main_~k~5 37), 109086#(<= ULTIMATE.start_main_~k~5 36), 109089#(<= ULTIMATE.start_main_~k~5 39), 109088#(<= ULTIMATE.start_main_~k~5 38), 109091#(<= ULTIMATE.start_main_~k~5 41), 109090#(<= ULTIMATE.start_main_~k~5 40), 109093#(<= ULTIMATE.start_main_~k~5 43), 109092#(<= ULTIMATE.start_main_~k~5 42), 109095#(<= ULTIMATE.start_main_~k~5 45), 109094#(<= ULTIMATE.start_main_~k~5 44), 109097#(<= ULTIMATE.start_main_~k~5 47), 109096#(<= ULTIMATE.start_main_~k~5 46), 109099#(<= ULTIMATE.start_main_~k~5 49), 109098#(<= ULTIMATE.start_main_~k~5 48), 109101#(<= ULTIMATE.start_main_~k~5 51), 109100#(<= ULTIMATE.start_main_~k~5 50), 109103#(<= ULTIMATE.start_main_~k~5 53), 109102#(<= ULTIMATE.start_main_~k~5 52), 109105#(<= ULTIMATE.start_main_~k~5 55), 109104#(<= ULTIMATE.start_main_~k~5 54), 109107#(<= ULTIMATE.start_main_~k~5 57), 109106#(<= ULTIMATE.start_main_~k~5 56), 109109#(<= ULTIMATE.start_main_~k~5 59), 109108#(<= ULTIMATE.start_main_~k~5 58), 109111#(<= ULTIMATE.start_main_~k~5 61), 109110#(<= ULTIMATE.start_main_~k~5 60), 109113#(<= ULTIMATE.start_main_~k~5 63), 109112#(<= ULTIMATE.start_main_~k~5 62), 109115#(<= ULTIMATE.start_main_~k~5 65), 109114#(<= ULTIMATE.start_main_~k~5 64), 109117#(<= ULTIMATE.start_main_~k~5 67), 109116#(<= ULTIMATE.start_main_~k~5 66), 109119#(<= ULTIMATE.start_main_~k~5 69), 109118#(<= ULTIMATE.start_main_~k~5 68), 109121#(<= ULTIMATE.start_main_~k~5 71), 109120#(<= ULTIMATE.start_main_~k~5 70), 109123#(<= ULTIMATE.start_main_~k~5 73), 109122#(<= ULTIMATE.start_main_~k~5 72), 109125#(<= ULTIMATE.start_main_~k~5 75), 109124#(<= ULTIMATE.start_main_~k~5 74), 109127#(<= ULTIMATE.start_main_~k~5 77), 109126#(<= ULTIMATE.start_main_~k~5 76), 109129#(<= ULTIMATE.start_main_~k~5 79), 109128#(<= ULTIMATE.start_main_~k~5 78), 109131#(<= ULTIMATE.start_main_~k~5 81), 109130#(<= ULTIMATE.start_main_~k~5 80), 109133#(<= ULTIMATE.start_main_~k~5 83), 109132#(<= ULTIMATE.start_main_~k~5 82), 109135#(<= ULTIMATE.start_main_~k~5 85), 109134#(<= ULTIMATE.start_main_~k~5 84), 109137#(<= ULTIMATE.start_main_~k~5 87), 109136#(<= ULTIMATE.start_main_~k~5 86), 109139#(<= ULTIMATE.start_main_~k~5 89), 109138#(<= ULTIMATE.start_main_~k~5 88), 109141#(<= ULTIMATE.start_main_~k~5 91), 109140#(<= ULTIMATE.start_main_~k~5 90), 109143#(<= ULTIMATE.start_main_~k~5 93), 109142#(<= ULTIMATE.start_main_~k~5 92), 109145#(<= ULTIMATE.start_main_~k~5 95), 109144#(<= ULTIMATE.start_main_~k~5 94), 109147#(<= ULTIMATE.start_main_~k~5 97), 109146#(<= ULTIMATE.start_main_~k~5 96), 109149#(<= ULTIMATE.start_main_~k~5 99), 109148#(<= ULTIMATE.start_main_~k~5 98), 109151#(<= ULTIMATE.start_main_~k~5 101), 109150#(<= ULTIMATE.start_main_~k~5 100), 109153#(<= ULTIMATE.start_main_~k~5 103), 109152#(<= ULTIMATE.start_main_~k~5 102), 109155#(<= ULTIMATE.start_main_~k~5 105), 109154#(<= ULTIMATE.start_main_~k~5 104), 109157#(<= ULTIMATE.start_main_~k~5 107), 109156#(<= ULTIMATE.start_main_~k~5 106), 109159#(<= ULTIMATE.start_main_~k~5 109), 109158#(<= ULTIMATE.start_main_~k~5 108), 109161#(<= ULTIMATE.start_main_~k~5 111), 109160#(<= ULTIMATE.start_main_~k~5 110), 109163#(<= ULTIMATE.start_main_~k~5 113), 109162#(<= ULTIMATE.start_main_~k~5 112), 109165#(<= ULTIMATE.start_main_~k~5 115), 109164#(<= ULTIMATE.start_main_~k~5 114), 109167#(<= ULTIMATE.start_main_~k~5 117), 109166#(<= ULTIMATE.start_main_~k~5 116), 109169#(<= ULTIMATE.start_main_~k~5 119), 109168#(<= ULTIMATE.start_main_~k~5 118), 109171#(<= ULTIMATE.start_main_~k~5 121), 109170#(<= ULTIMATE.start_main_~k~5 120), 109173#(<= ULTIMATE.start_main_~k~5 123), 109172#(<= ULTIMATE.start_main_~k~5 122), 109175#(<= ULTIMATE.start_main_~k~5 125), 109174#(<= ULTIMATE.start_main_~k~5 124), 109177#(<= ULTIMATE.start_main_~k~5 127), 109176#(<= ULTIMATE.start_main_~k~5 126), 109179#(<= ULTIMATE.start_main_~k~5 129), 109178#(<= ULTIMATE.start_main_~k~5 128), 109181#(<= ULTIMATE.start_main_~k~5 131), 109180#(<= ULTIMATE.start_main_~k~5 130), 109183#(<= ULTIMATE.start_main_~k~5 133), 109182#(<= ULTIMATE.start_main_~k~5 132), 109185#(<= ULTIMATE.start_main_~k~5 135), 109184#(<= ULTIMATE.start_main_~k~5 134), 109187#(<= ULTIMATE.start_main_~k~5 137), 109186#(<= ULTIMATE.start_main_~k~5 136), 109189#(<= ULTIMATE.start_main_~k~5 139), 109188#(<= ULTIMATE.start_main_~k~5 138), 109191#(<= ULTIMATE.start_main_~k~5 141), 109190#(<= ULTIMATE.start_main_~k~5 140), 109193#(<= ULTIMATE.start_main_~k~5 143), 109192#(<= ULTIMATE.start_main_~k~5 142), 109195#(<= ULTIMATE.start_main_~k~5 145), 109194#(<= ULTIMATE.start_main_~k~5 144), 109197#(<= ULTIMATE.start_main_~k~5 147), 109196#(<= ULTIMATE.start_main_~k~5 146), 109199#(<= ULTIMATE.start_main_~k~5 149), 109198#(<= ULTIMATE.start_main_~k~5 148), 109201#(<= ULTIMATE.start_main_~k~5 151), 109200#(<= ULTIMATE.start_main_~k~5 150), 109203#(<= ULTIMATE.start_main_~k~5 153), 109202#(<= ULTIMATE.start_main_~k~5 152), 109205#(<= ULTIMATE.start_main_~k~5 155), 109204#(<= ULTIMATE.start_main_~k~5 154), 109207#(<= ULTIMATE.start_main_~k~5 157), 109206#(<= ULTIMATE.start_main_~k~5 156), 109209#(<= ULTIMATE.start_main_~k~5 159), 109208#(<= ULTIMATE.start_main_~k~5 158), 109211#(<= ULTIMATE.start_main_~k~5 161), 109210#(<= ULTIMATE.start_main_~k~5 160), 109213#(<= ULTIMATE.start_main_~k~5 163), 109212#(<= ULTIMATE.start_main_~k~5 162), 109215#(<= ULTIMATE.start_main_~k~5 165), 109214#(<= ULTIMATE.start_main_~k~5 164), 109217#(<= ULTIMATE.start_main_~k~5 167), 109216#(<= ULTIMATE.start_main_~k~5 166), 109219#(<= ULTIMATE.start_main_~k~5 169), 109218#(<= ULTIMATE.start_main_~k~5 168), 109221#(<= ULTIMATE.start_main_~k~5 171), 109220#(<= ULTIMATE.start_main_~k~5 170), 109223#(<= ULTIMATE.start_main_~k~5 173), 109222#(<= ULTIMATE.start_main_~k~5 172), 109225#(<= ULTIMATE.start_main_~k~5 175), 109224#(<= ULTIMATE.start_main_~k~5 174), 109227#(<= ULTIMATE.start_main_~k~5 177), 109226#(<= ULTIMATE.start_main_~k~5 176), 109229#(<= ULTIMATE.start_main_~k~5 179), 109228#(<= ULTIMATE.start_main_~k~5 178), 109231#(<= ULTIMATE.start_main_~k~5 181), 109230#(<= ULTIMATE.start_main_~k~5 180), 109233#(<= ULTIMATE.start_main_~k~5 183), 109232#(<= ULTIMATE.start_main_~k~5 182), 109235#(<= ULTIMATE.start_main_~k~5 185), 109234#(<= ULTIMATE.start_main_~k~5 184), 109237#(<= ULTIMATE.start_main_~k~5 187), 109236#(<= ULTIMATE.start_main_~k~5 186), 109239#(<= ULTIMATE.start_main_~k~5 189), 109238#(<= ULTIMATE.start_main_~k~5 188), 109241#(<= ULTIMATE.start_main_~k~5 191), 109240#(<= ULTIMATE.start_main_~k~5 190), 109243#(<= ULTIMATE.start_main_~k~5 193), 109242#(<= ULTIMATE.start_main_~k~5 192), 109245#(<= ULTIMATE.start_main_~k~5 195), 109244#(<= ULTIMATE.start_main_~k~5 194), 109247#(<= ULTIMATE.start_main_~k~5 197), 109246#(<= ULTIMATE.start_main_~k~5 196), 109249#(<= ULTIMATE.start_main_~k~5 199), 109248#(<= ULTIMATE.start_main_~k~5 198), 109251#(<= ULTIMATE.start_main_~k~5 201), 109250#(<= ULTIMATE.start_main_~k~5 200), 109253#(<= ULTIMATE.start_main_~k~5 203), 109252#(<= ULTIMATE.start_main_~k~5 202), 109254#(<= ULTIMATE.start_main_~k~5 204), 109049#false, 109048#true, 109051#(<= ULTIMATE.start_main_~k~5 1), 109050#(<= ULTIMATE.start_main_~k~5 0), 109053#(<= ULTIMATE.start_main_~k~5 3), 109052#(<= ULTIMATE.start_main_~k~5 2), 109055#(<= ULTIMATE.start_main_~k~5 5), 109054#(<= ULTIMATE.start_main_~k~5 4)] [2018-07-23 13:42:53,571 INFO L134 CoverageAnalysis]: Checked inductivity of 20910 backedges. 0 proven. 20910 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2018-07-23 13:42:53,571 INFO L450 AbstractCegarLoop]: Interpolant automaton has 207 states [2018-07-23 13:42:53,574 INFO L132 InterpolantAutomaton]: Constructing interpolant automaton starting with 207 interpolants. [2018-07-23 13:42:53,575 INFO L133 InterpolantAutomaton]: CoverageRelationStatistics Valid=21321, Invalid=21321, Unknown=0, NotChecked=0, Total=42642 [2018-07-23 13:42:53,575 INFO L87 Difference]: Start difference. First operand 208 states and 208 transitions. Second operand 207 states. [2018-07-23 13:42:54,754 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2018-07-23 13:42:54,754 INFO L93 Difference]: Finished difference Result 211 states and 211 transitions. [2018-07-23 13:42:54,754 INFO L142 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 207 states. [2018-07-23 13:42:54,754 INFO L78 Accepts]: Start accepts. Automaton has 207 states. Word has length 207 [2018-07-23 13:42:54,754 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2018-07-23 13:42:54,755 INFO L225 Difference]: With dead ends: 211 [2018-07-23 13:42:54,755 INFO L226 Difference]: Without dead ends: 209 [2018-07-23 13:42:54,757 INFO L575 BasicCegarLoop]: 0 DeclaredPredicates, 206 GetRequests, 1 SyntacticMatches, 0 SemanticMatches, 205 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 0 ImplicationChecksByTransitivity, 0.8s TimeCoverageRelationStatistics Valid=21321, Invalid=21321, Unknown=0, NotChecked=0, Total=42642 [2018-07-23 13:42:54,757 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 209 states. [2018-07-23 13:42:54,759 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 209 to 209. [2018-07-23 13:42:54,759 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 209 states. [2018-07-23 13:42:54,759 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 209 states to 209 states and 209 transitions. [2018-07-23 13:42:54,759 INFO L78 Accepts]: Start accepts. Automaton has 209 states and 209 transitions. Word has length 207 [2018-07-23 13:42:54,760 INFO L84 Accepts]: Finished accepts. word is rejected. [2018-07-23 13:42:54,760 INFO L471 AbstractCegarLoop]: Abstraction has 209 states and 209 transitions. [2018-07-23 13:42:54,760 INFO L472 AbstractCegarLoop]: Interpolant automaton has 207 states. [2018-07-23 13:42:54,760 INFO L276 IsEmpty]: Start isEmpty. Operand 209 states and 209 transitions. [2018-07-23 13:42:54,760 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 209 [2018-07-23 13:42:54,760 INFO L349 BasicCegarLoop]: Found error trace [2018-07-23 13:42:54,760 INFO L357 BasicCegarLoop]: trace histogram [205, 1, 1, 1] [2018-07-23 13:42:54,760 INFO L414 AbstractCegarLoop]: === Iteration 206 === [ULTIMATE.startErr0AssertViolationASSERT]=== [2018-07-23 13:42:54,761 INFO L82 PathProgramCache]: Analyzing trace with hash -1803462168, now seen corresponding path program 205 times [2018-07-23 13:42:54,761 INFO L69 tionRefinementEngine]: Using refinement strategy FixedRefinementStrategy [2018-07-23 13:42:54,849 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-07-23 13:42:55,848 INFO L134 CoverageAnalysis]: Checked inductivity of 21115 backedges. 0 proven. 21115 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2018-07-23 13:42:55,848 INFO L309 seRefinementStrategy]: Constructing automaton from 0 perfect and 1 imperfect interpolant sequences. [2018-07-23 13:42:55,848 INFO L324 seRefinementStrategy]: Number of different interpolants: perfect sequences [] imperfect sequences [207] total 207 [2018-07-23 13:42:55,849 INFO L142 lantAutomatonBuilder]: Constructing canonical interpolant automaton, with selfloop in false state [2018-07-23 13:42:55,849 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2018-07-23 13:42:55,849 INFO L185 omatonBuilderFactory]: Interpolants [110095#true, 110097#(<= ULTIMATE.start_main_~k~5 0), 110096#false, 110099#(<= ULTIMATE.start_main_~k~5 2), 110098#(<= ULTIMATE.start_main_~k~5 1), 110101#(<= ULTIMATE.start_main_~k~5 4), 110100#(<= ULTIMATE.start_main_~k~5 3), 110103#(<= ULTIMATE.start_main_~k~5 6), 110102#(<= ULTIMATE.start_main_~k~5 5), 110105#(<= ULTIMATE.start_main_~k~5 8), 110104#(<= ULTIMATE.start_main_~k~5 7), 110107#(<= ULTIMATE.start_main_~k~5 10), 110106#(<= ULTIMATE.start_main_~k~5 9), 110109#(<= ULTIMATE.start_main_~k~5 12), 110108#(<= ULTIMATE.start_main_~k~5 11), 110111#(<= ULTIMATE.start_main_~k~5 14), 110110#(<= ULTIMATE.start_main_~k~5 13), 110113#(<= ULTIMATE.start_main_~k~5 16), 110112#(<= ULTIMATE.start_main_~k~5 15), 110115#(<= ULTIMATE.start_main_~k~5 18), 110114#(<= ULTIMATE.start_main_~k~5 17), 110117#(<= ULTIMATE.start_main_~k~5 20), 110116#(<= ULTIMATE.start_main_~k~5 19), 110119#(<= ULTIMATE.start_main_~k~5 22), 110118#(<= ULTIMATE.start_main_~k~5 21), 110121#(<= ULTIMATE.start_main_~k~5 24), 110120#(<= ULTIMATE.start_main_~k~5 23), 110123#(<= ULTIMATE.start_main_~k~5 26), 110122#(<= ULTIMATE.start_main_~k~5 25), 110125#(<= ULTIMATE.start_main_~k~5 28), 110124#(<= ULTIMATE.start_main_~k~5 27), 110127#(<= ULTIMATE.start_main_~k~5 30), 110126#(<= ULTIMATE.start_main_~k~5 29), 110129#(<= ULTIMATE.start_main_~k~5 32), 110128#(<= ULTIMATE.start_main_~k~5 31), 110131#(<= ULTIMATE.start_main_~k~5 34), 110130#(<= ULTIMATE.start_main_~k~5 33), 110133#(<= ULTIMATE.start_main_~k~5 36), 110132#(<= ULTIMATE.start_main_~k~5 35), 110135#(<= ULTIMATE.start_main_~k~5 38), 110134#(<= ULTIMATE.start_main_~k~5 37), 110137#(<= ULTIMATE.start_main_~k~5 40), 110136#(<= ULTIMATE.start_main_~k~5 39), 110139#(<= ULTIMATE.start_main_~k~5 42), 110138#(<= ULTIMATE.start_main_~k~5 41), 110141#(<= ULTIMATE.start_main_~k~5 44), 110140#(<= ULTIMATE.start_main_~k~5 43), 110143#(<= ULTIMATE.start_main_~k~5 46), 110142#(<= ULTIMATE.start_main_~k~5 45), 110145#(<= ULTIMATE.start_main_~k~5 48), 110144#(<= ULTIMATE.start_main_~k~5 47), 110147#(<= ULTIMATE.start_main_~k~5 50), 110146#(<= ULTIMATE.start_main_~k~5 49), 110149#(<= ULTIMATE.start_main_~k~5 52), 110148#(<= ULTIMATE.start_main_~k~5 51), 110151#(<= ULTIMATE.start_main_~k~5 54), 110150#(<= ULTIMATE.start_main_~k~5 53), 110153#(<= ULTIMATE.start_main_~k~5 56), 110152#(<= ULTIMATE.start_main_~k~5 55), 110155#(<= ULTIMATE.start_main_~k~5 58), 110154#(<= ULTIMATE.start_main_~k~5 57), 110157#(<= ULTIMATE.start_main_~k~5 60), 110156#(<= ULTIMATE.start_main_~k~5 59), 110159#(<= ULTIMATE.start_main_~k~5 62), 110158#(<= ULTIMATE.start_main_~k~5 61), 110161#(<= ULTIMATE.start_main_~k~5 64), 110160#(<= ULTIMATE.start_main_~k~5 63), 110163#(<= ULTIMATE.start_main_~k~5 66), 110162#(<= ULTIMATE.start_main_~k~5 65), 110165#(<= ULTIMATE.start_main_~k~5 68), 110164#(<= ULTIMATE.start_main_~k~5 67), 110167#(<= ULTIMATE.start_main_~k~5 70), 110166#(<= ULTIMATE.start_main_~k~5 69), 110169#(<= ULTIMATE.start_main_~k~5 72), 110168#(<= ULTIMATE.start_main_~k~5 71), 110171#(<= ULTIMATE.start_main_~k~5 74), 110170#(<= ULTIMATE.start_main_~k~5 73), 110173#(<= ULTIMATE.start_main_~k~5 76), 110172#(<= ULTIMATE.start_main_~k~5 75), 110175#(<= ULTIMATE.start_main_~k~5 78), 110174#(<= ULTIMATE.start_main_~k~5 77), 110177#(<= ULTIMATE.start_main_~k~5 80), 110176#(<= ULTIMATE.start_main_~k~5 79), 110179#(<= ULTIMATE.start_main_~k~5 82), 110178#(<= ULTIMATE.start_main_~k~5 81), 110181#(<= ULTIMATE.start_main_~k~5 84), 110180#(<= ULTIMATE.start_main_~k~5 83), 110183#(<= ULTIMATE.start_main_~k~5 86), 110182#(<= ULTIMATE.start_main_~k~5 85), 110185#(<= ULTIMATE.start_main_~k~5 88), 110184#(<= ULTIMATE.start_main_~k~5 87), 110187#(<= ULTIMATE.start_main_~k~5 90), 110186#(<= ULTIMATE.start_main_~k~5 89), 110189#(<= ULTIMATE.start_main_~k~5 92), 110188#(<= ULTIMATE.start_main_~k~5 91), 110191#(<= ULTIMATE.start_main_~k~5 94), 110190#(<= ULTIMATE.start_main_~k~5 93), 110193#(<= ULTIMATE.start_main_~k~5 96), 110192#(<= ULTIMATE.start_main_~k~5 95), 110195#(<= ULTIMATE.start_main_~k~5 98), 110194#(<= ULTIMATE.start_main_~k~5 97), 110197#(<= ULTIMATE.start_main_~k~5 100), 110196#(<= ULTIMATE.start_main_~k~5 99), 110199#(<= ULTIMATE.start_main_~k~5 102), 110198#(<= ULTIMATE.start_main_~k~5 101), 110201#(<= ULTIMATE.start_main_~k~5 104), 110200#(<= ULTIMATE.start_main_~k~5 103), 110203#(<= ULTIMATE.start_main_~k~5 106), 110202#(<= ULTIMATE.start_main_~k~5 105), 110205#(<= ULTIMATE.start_main_~k~5 108), 110204#(<= ULTIMATE.start_main_~k~5 107), 110207#(<= ULTIMATE.start_main_~k~5 110), 110206#(<= ULTIMATE.start_main_~k~5 109), 110209#(<= ULTIMATE.start_main_~k~5 112), 110208#(<= ULTIMATE.start_main_~k~5 111), 110211#(<= ULTIMATE.start_main_~k~5 114), 110210#(<= ULTIMATE.start_main_~k~5 113), 110213#(<= ULTIMATE.start_main_~k~5 116), 110212#(<= ULTIMATE.start_main_~k~5 115), 110215#(<= ULTIMATE.start_main_~k~5 118), 110214#(<= ULTIMATE.start_main_~k~5 117), 110217#(<= ULTIMATE.start_main_~k~5 120), 110216#(<= ULTIMATE.start_main_~k~5 119), 110219#(<= ULTIMATE.start_main_~k~5 122), 110218#(<= ULTIMATE.start_main_~k~5 121), 110221#(<= ULTIMATE.start_main_~k~5 124), 110220#(<= ULTIMATE.start_main_~k~5 123), 110223#(<= ULTIMATE.start_main_~k~5 126), 110222#(<= ULTIMATE.start_main_~k~5 125), 110225#(<= ULTIMATE.start_main_~k~5 128), 110224#(<= ULTIMATE.start_main_~k~5 127), 110227#(<= ULTIMATE.start_main_~k~5 130), 110226#(<= ULTIMATE.start_main_~k~5 129), 110229#(<= ULTIMATE.start_main_~k~5 132), 110228#(<= ULTIMATE.start_main_~k~5 131), 110231#(<= ULTIMATE.start_main_~k~5 134), 110230#(<= ULTIMATE.start_main_~k~5 133), 110233#(<= ULTIMATE.start_main_~k~5 136), 110232#(<= ULTIMATE.start_main_~k~5 135), 110235#(<= ULTIMATE.start_main_~k~5 138), 110234#(<= ULTIMATE.start_main_~k~5 137), 110237#(<= ULTIMATE.start_main_~k~5 140), 110236#(<= ULTIMATE.start_main_~k~5 139), 110239#(<= ULTIMATE.start_main_~k~5 142), 110238#(<= ULTIMATE.start_main_~k~5 141), 110241#(<= ULTIMATE.start_main_~k~5 144), 110240#(<= ULTIMATE.start_main_~k~5 143), 110243#(<= ULTIMATE.start_main_~k~5 146), 110242#(<= ULTIMATE.start_main_~k~5 145), 110245#(<= ULTIMATE.start_main_~k~5 148), 110244#(<= ULTIMATE.start_main_~k~5 147), 110247#(<= ULTIMATE.start_main_~k~5 150), 110246#(<= ULTIMATE.start_main_~k~5 149), 110249#(<= ULTIMATE.start_main_~k~5 152), 110248#(<= ULTIMATE.start_main_~k~5 151), 110251#(<= ULTIMATE.start_main_~k~5 154), 110250#(<= ULTIMATE.start_main_~k~5 153), 110253#(<= ULTIMATE.start_main_~k~5 156), 110252#(<= ULTIMATE.start_main_~k~5 155), 110255#(<= ULTIMATE.start_main_~k~5 158), 110254#(<= ULTIMATE.start_main_~k~5 157), 110257#(<= ULTIMATE.start_main_~k~5 160), 110256#(<= ULTIMATE.start_main_~k~5 159), 110259#(<= ULTIMATE.start_main_~k~5 162), 110258#(<= ULTIMATE.start_main_~k~5 161), 110261#(<= ULTIMATE.start_main_~k~5 164), 110260#(<= ULTIMATE.start_main_~k~5 163), 110263#(<= ULTIMATE.start_main_~k~5 166), 110262#(<= ULTIMATE.start_main_~k~5 165), 110265#(<= ULTIMATE.start_main_~k~5 168), 110264#(<= ULTIMATE.start_main_~k~5 167), 110267#(<= ULTIMATE.start_main_~k~5 170), 110266#(<= ULTIMATE.start_main_~k~5 169), 110269#(<= ULTIMATE.start_main_~k~5 172), 110268#(<= ULTIMATE.start_main_~k~5 171), 110271#(<= ULTIMATE.start_main_~k~5 174), 110270#(<= ULTIMATE.start_main_~k~5 173), 110273#(<= ULTIMATE.start_main_~k~5 176), 110272#(<= ULTIMATE.start_main_~k~5 175), 110275#(<= ULTIMATE.start_main_~k~5 178), 110274#(<= ULTIMATE.start_main_~k~5 177), 110277#(<= ULTIMATE.start_main_~k~5 180), 110276#(<= ULTIMATE.start_main_~k~5 179), 110279#(<= ULTIMATE.start_main_~k~5 182), 110278#(<= ULTIMATE.start_main_~k~5 181), 110281#(<= ULTIMATE.start_main_~k~5 184), 110280#(<= ULTIMATE.start_main_~k~5 183), 110283#(<= ULTIMATE.start_main_~k~5 186), 110282#(<= ULTIMATE.start_main_~k~5 185), 110285#(<= ULTIMATE.start_main_~k~5 188), 110284#(<= ULTIMATE.start_main_~k~5 187), 110287#(<= ULTIMATE.start_main_~k~5 190), 110286#(<= ULTIMATE.start_main_~k~5 189), 110289#(<= ULTIMATE.start_main_~k~5 192), 110288#(<= ULTIMATE.start_main_~k~5 191), 110291#(<= ULTIMATE.start_main_~k~5 194), 110290#(<= ULTIMATE.start_main_~k~5 193), 110293#(<= ULTIMATE.start_main_~k~5 196), 110292#(<= ULTIMATE.start_main_~k~5 195), 110295#(<= ULTIMATE.start_main_~k~5 198), 110294#(<= ULTIMATE.start_main_~k~5 197), 110297#(<= ULTIMATE.start_main_~k~5 200), 110296#(<= ULTIMATE.start_main_~k~5 199), 110299#(<= ULTIMATE.start_main_~k~5 202), 110298#(<= ULTIMATE.start_main_~k~5 201), 110301#(<= ULTIMATE.start_main_~k~5 204), 110300#(<= ULTIMATE.start_main_~k~5 203), 110302#(<= ULTIMATE.start_main_~k~5 205)] [2018-07-23 13:42:55,850 INFO L134 CoverageAnalysis]: Checked inductivity of 21115 backedges. 0 proven. 21115 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2018-07-23 13:42:55,850 INFO L450 AbstractCegarLoop]: Interpolant automaton has 208 states [2018-07-23 13:42:55,854 INFO L132 InterpolantAutomaton]: Constructing interpolant automaton starting with 208 interpolants. [2018-07-23 13:42:55,856 INFO L133 InterpolantAutomaton]: CoverageRelationStatistics Valid=21528, Invalid=21528, Unknown=0, NotChecked=0, Total=43056 [2018-07-23 13:42:55,856 INFO L87 Difference]: Start difference. First operand 209 states and 209 transitions. Second operand 208 states. [2018-07-23 13:42:57,055 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2018-07-23 13:42:57,055 INFO L93 Difference]: Finished difference Result 212 states and 212 transitions. [2018-07-23 13:42:57,056 INFO L142 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 208 states. [2018-07-23 13:42:57,056 INFO L78 Accepts]: Start accepts. Automaton has 208 states. Word has length 208 [2018-07-23 13:42:57,056 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2018-07-23 13:42:57,056 INFO L225 Difference]: With dead ends: 212 [2018-07-23 13:42:57,056 INFO L226 Difference]: Without dead ends: 210 [2018-07-23 13:42:57,057 INFO L575 BasicCegarLoop]: 0 DeclaredPredicates, 207 GetRequests, 1 SyntacticMatches, 0 SemanticMatches, 206 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 0 ImplicationChecksByTransitivity, 0.8s TimeCoverageRelationStatistics Valid=21528, Invalid=21528, Unknown=0, NotChecked=0, Total=43056 [2018-07-23 13:42:57,057 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 210 states. [2018-07-23 13:42:57,059 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 210 to 210. [2018-07-23 13:42:57,059 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 210 states. [2018-07-23 13:42:57,059 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 210 states to 210 states and 210 transitions. [2018-07-23 13:42:57,059 INFO L78 Accepts]: Start accepts. Automaton has 210 states and 210 transitions. Word has length 208 [2018-07-23 13:42:57,060 INFO L84 Accepts]: Finished accepts. word is rejected. [2018-07-23 13:42:57,060 INFO L471 AbstractCegarLoop]: Abstraction has 210 states and 210 transitions. [2018-07-23 13:42:57,060 INFO L472 AbstractCegarLoop]: Interpolant automaton has 208 states. [2018-07-23 13:42:57,060 INFO L276 IsEmpty]: Start isEmpty. Operand 210 states and 210 transitions. [2018-07-23 13:42:57,060 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 210 [2018-07-23 13:42:57,060 INFO L349 BasicCegarLoop]: Found error trace [2018-07-23 13:42:57,060 INFO L357 BasicCegarLoop]: trace histogram [206, 1, 1, 1] [2018-07-23 13:42:57,060 INFO L414 AbstractCegarLoop]: === Iteration 207 === [ULTIMATE.startErr0AssertViolationASSERT]=== [2018-07-23 13:42:57,061 INFO L82 PathProgramCache]: Analyzing trace with hash -72754335, now seen corresponding path program 206 times [2018-07-23 13:42:57,061 INFO L69 tionRefinementEngine]: Using refinement strategy FixedRefinementStrategy [2018-07-23 13:42:57,156 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-07-23 13:42:58,167 INFO L134 CoverageAnalysis]: Checked inductivity of 21321 backedges. 0 proven. 21321 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2018-07-23 13:42:58,167 INFO L309 seRefinementStrategy]: Constructing automaton from 0 perfect and 1 imperfect interpolant sequences. [2018-07-23 13:42:58,167 INFO L324 seRefinementStrategy]: Number of different interpolants: perfect sequences [] imperfect sequences [208] total 208 [2018-07-23 13:42:58,168 INFO L142 lantAutomatonBuilder]: Constructing canonical interpolant automaton, with selfloop in false state [2018-07-23 13:42:58,168 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2018-07-23 13:42:58,168 INFO L185 omatonBuilderFactory]: Interpolants [111147#true, 111149#(<= ULTIMATE.start_main_~k~5 0), 111148#false, 111151#(<= ULTIMATE.start_main_~k~5 2), 111150#(<= ULTIMATE.start_main_~k~5 1), 111153#(<= ULTIMATE.start_main_~k~5 4), 111152#(<= ULTIMATE.start_main_~k~5 3), 111155#(<= ULTIMATE.start_main_~k~5 6), 111154#(<= ULTIMATE.start_main_~k~5 5), 111157#(<= ULTIMATE.start_main_~k~5 8), 111156#(<= ULTIMATE.start_main_~k~5 7), 111159#(<= ULTIMATE.start_main_~k~5 10), 111158#(<= ULTIMATE.start_main_~k~5 9), 111161#(<= ULTIMATE.start_main_~k~5 12), 111160#(<= ULTIMATE.start_main_~k~5 11), 111163#(<= ULTIMATE.start_main_~k~5 14), 111162#(<= ULTIMATE.start_main_~k~5 13), 111165#(<= ULTIMATE.start_main_~k~5 16), 111164#(<= ULTIMATE.start_main_~k~5 15), 111167#(<= ULTIMATE.start_main_~k~5 18), 111166#(<= ULTIMATE.start_main_~k~5 17), 111169#(<= ULTIMATE.start_main_~k~5 20), 111168#(<= ULTIMATE.start_main_~k~5 19), 111171#(<= ULTIMATE.start_main_~k~5 22), 111170#(<= ULTIMATE.start_main_~k~5 21), 111173#(<= ULTIMATE.start_main_~k~5 24), 111172#(<= ULTIMATE.start_main_~k~5 23), 111175#(<= ULTIMATE.start_main_~k~5 26), 111174#(<= ULTIMATE.start_main_~k~5 25), 111177#(<= ULTIMATE.start_main_~k~5 28), 111176#(<= ULTIMATE.start_main_~k~5 27), 111179#(<= ULTIMATE.start_main_~k~5 30), 111178#(<= ULTIMATE.start_main_~k~5 29), 111181#(<= ULTIMATE.start_main_~k~5 32), 111180#(<= ULTIMATE.start_main_~k~5 31), 111183#(<= ULTIMATE.start_main_~k~5 34), 111182#(<= ULTIMATE.start_main_~k~5 33), 111185#(<= ULTIMATE.start_main_~k~5 36), 111184#(<= ULTIMATE.start_main_~k~5 35), 111187#(<= ULTIMATE.start_main_~k~5 38), 111186#(<= ULTIMATE.start_main_~k~5 37), 111189#(<= ULTIMATE.start_main_~k~5 40), 111188#(<= ULTIMATE.start_main_~k~5 39), 111191#(<= ULTIMATE.start_main_~k~5 42), 111190#(<= ULTIMATE.start_main_~k~5 41), 111193#(<= ULTIMATE.start_main_~k~5 44), 111192#(<= ULTIMATE.start_main_~k~5 43), 111195#(<= ULTIMATE.start_main_~k~5 46), 111194#(<= ULTIMATE.start_main_~k~5 45), 111197#(<= ULTIMATE.start_main_~k~5 48), 111196#(<= ULTIMATE.start_main_~k~5 47), 111199#(<= ULTIMATE.start_main_~k~5 50), 111198#(<= ULTIMATE.start_main_~k~5 49), 111201#(<= ULTIMATE.start_main_~k~5 52), 111200#(<= ULTIMATE.start_main_~k~5 51), 111203#(<= ULTIMATE.start_main_~k~5 54), 111202#(<= ULTIMATE.start_main_~k~5 53), 111205#(<= ULTIMATE.start_main_~k~5 56), 111204#(<= ULTIMATE.start_main_~k~5 55), 111207#(<= ULTIMATE.start_main_~k~5 58), 111206#(<= ULTIMATE.start_main_~k~5 57), 111209#(<= ULTIMATE.start_main_~k~5 60), 111208#(<= ULTIMATE.start_main_~k~5 59), 111211#(<= ULTIMATE.start_main_~k~5 62), 111210#(<= ULTIMATE.start_main_~k~5 61), 111213#(<= ULTIMATE.start_main_~k~5 64), 111212#(<= ULTIMATE.start_main_~k~5 63), 111215#(<= ULTIMATE.start_main_~k~5 66), 111214#(<= ULTIMATE.start_main_~k~5 65), 111217#(<= ULTIMATE.start_main_~k~5 68), 111216#(<= ULTIMATE.start_main_~k~5 67), 111219#(<= ULTIMATE.start_main_~k~5 70), 111218#(<= ULTIMATE.start_main_~k~5 69), 111221#(<= ULTIMATE.start_main_~k~5 72), 111220#(<= ULTIMATE.start_main_~k~5 71), 111223#(<= ULTIMATE.start_main_~k~5 74), 111222#(<= ULTIMATE.start_main_~k~5 73), 111225#(<= ULTIMATE.start_main_~k~5 76), 111224#(<= ULTIMATE.start_main_~k~5 75), 111227#(<= ULTIMATE.start_main_~k~5 78), 111226#(<= ULTIMATE.start_main_~k~5 77), 111229#(<= ULTIMATE.start_main_~k~5 80), 111228#(<= ULTIMATE.start_main_~k~5 79), 111231#(<= ULTIMATE.start_main_~k~5 82), 111230#(<= ULTIMATE.start_main_~k~5 81), 111233#(<= ULTIMATE.start_main_~k~5 84), 111232#(<= ULTIMATE.start_main_~k~5 83), 111235#(<= ULTIMATE.start_main_~k~5 86), 111234#(<= ULTIMATE.start_main_~k~5 85), 111237#(<= ULTIMATE.start_main_~k~5 88), 111236#(<= ULTIMATE.start_main_~k~5 87), 111239#(<= ULTIMATE.start_main_~k~5 90), 111238#(<= ULTIMATE.start_main_~k~5 89), 111241#(<= ULTIMATE.start_main_~k~5 92), 111240#(<= ULTIMATE.start_main_~k~5 91), 111243#(<= ULTIMATE.start_main_~k~5 94), 111242#(<= ULTIMATE.start_main_~k~5 93), 111245#(<= ULTIMATE.start_main_~k~5 96), 111244#(<= ULTIMATE.start_main_~k~5 95), 111247#(<= ULTIMATE.start_main_~k~5 98), 111246#(<= ULTIMATE.start_main_~k~5 97), 111249#(<= ULTIMATE.start_main_~k~5 100), 111248#(<= ULTIMATE.start_main_~k~5 99), 111251#(<= ULTIMATE.start_main_~k~5 102), 111250#(<= ULTIMATE.start_main_~k~5 101), 111253#(<= ULTIMATE.start_main_~k~5 104), 111252#(<= ULTIMATE.start_main_~k~5 103), 111255#(<= ULTIMATE.start_main_~k~5 106), 111254#(<= ULTIMATE.start_main_~k~5 105), 111257#(<= ULTIMATE.start_main_~k~5 108), 111256#(<= ULTIMATE.start_main_~k~5 107), 111259#(<= ULTIMATE.start_main_~k~5 110), 111258#(<= ULTIMATE.start_main_~k~5 109), 111261#(<= ULTIMATE.start_main_~k~5 112), 111260#(<= ULTIMATE.start_main_~k~5 111), 111263#(<= ULTIMATE.start_main_~k~5 114), 111262#(<= ULTIMATE.start_main_~k~5 113), 111265#(<= ULTIMATE.start_main_~k~5 116), 111264#(<= ULTIMATE.start_main_~k~5 115), 111267#(<= ULTIMATE.start_main_~k~5 118), 111266#(<= ULTIMATE.start_main_~k~5 117), 111269#(<= ULTIMATE.start_main_~k~5 120), 111268#(<= ULTIMATE.start_main_~k~5 119), 111271#(<= ULTIMATE.start_main_~k~5 122), 111270#(<= ULTIMATE.start_main_~k~5 121), 111273#(<= ULTIMATE.start_main_~k~5 124), 111272#(<= ULTIMATE.start_main_~k~5 123), 111275#(<= ULTIMATE.start_main_~k~5 126), 111274#(<= ULTIMATE.start_main_~k~5 125), 111277#(<= ULTIMATE.start_main_~k~5 128), 111276#(<= ULTIMATE.start_main_~k~5 127), 111279#(<= ULTIMATE.start_main_~k~5 130), 111278#(<= ULTIMATE.start_main_~k~5 129), 111281#(<= ULTIMATE.start_main_~k~5 132), 111280#(<= ULTIMATE.start_main_~k~5 131), 111283#(<= ULTIMATE.start_main_~k~5 134), 111282#(<= ULTIMATE.start_main_~k~5 133), 111285#(<= ULTIMATE.start_main_~k~5 136), 111284#(<= ULTIMATE.start_main_~k~5 135), 111287#(<= ULTIMATE.start_main_~k~5 138), 111286#(<= ULTIMATE.start_main_~k~5 137), 111289#(<= ULTIMATE.start_main_~k~5 140), 111288#(<= ULTIMATE.start_main_~k~5 139), 111291#(<= ULTIMATE.start_main_~k~5 142), 111290#(<= ULTIMATE.start_main_~k~5 141), 111293#(<= ULTIMATE.start_main_~k~5 144), 111292#(<= ULTIMATE.start_main_~k~5 143), 111295#(<= ULTIMATE.start_main_~k~5 146), 111294#(<= ULTIMATE.start_main_~k~5 145), 111297#(<= ULTIMATE.start_main_~k~5 148), 111296#(<= ULTIMATE.start_main_~k~5 147), 111299#(<= ULTIMATE.start_main_~k~5 150), 111298#(<= ULTIMATE.start_main_~k~5 149), 111301#(<= ULTIMATE.start_main_~k~5 152), 111300#(<= ULTIMATE.start_main_~k~5 151), 111303#(<= ULTIMATE.start_main_~k~5 154), 111302#(<= ULTIMATE.start_main_~k~5 153), 111305#(<= ULTIMATE.start_main_~k~5 156), 111304#(<= ULTIMATE.start_main_~k~5 155), 111307#(<= ULTIMATE.start_main_~k~5 158), 111306#(<= ULTIMATE.start_main_~k~5 157), 111309#(<= ULTIMATE.start_main_~k~5 160), 111308#(<= ULTIMATE.start_main_~k~5 159), 111311#(<= ULTIMATE.start_main_~k~5 162), 111310#(<= ULTIMATE.start_main_~k~5 161), 111313#(<= ULTIMATE.start_main_~k~5 164), 111312#(<= ULTIMATE.start_main_~k~5 163), 111315#(<= ULTIMATE.start_main_~k~5 166), 111314#(<= ULTIMATE.start_main_~k~5 165), 111317#(<= ULTIMATE.start_main_~k~5 168), 111316#(<= ULTIMATE.start_main_~k~5 167), 111319#(<= ULTIMATE.start_main_~k~5 170), 111318#(<= ULTIMATE.start_main_~k~5 169), 111321#(<= ULTIMATE.start_main_~k~5 172), 111320#(<= ULTIMATE.start_main_~k~5 171), 111323#(<= ULTIMATE.start_main_~k~5 174), 111322#(<= ULTIMATE.start_main_~k~5 173), 111325#(<= ULTIMATE.start_main_~k~5 176), 111324#(<= ULTIMATE.start_main_~k~5 175), 111327#(<= ULTIMATE.start_main_~k~5 178), 111326#(<= ULTIMATE.start_main_~k~5 177), 111329#(<= ULTIMATE.start_main_~k~5 180), 111328#(<= ULTIMATE.start_main_~k~5 179), 111331#(<= ULTIMATE.start_main_~k~5 182), 111330#(<= ULTIMATE.start_main_~k~5 181), 111333#(<= ULTIMATE.start_main_~k~5 184), 111332#(<= ULTIMATE.start_main_~k~5 183), 111335#(<= ULTIMATE.start_main_~k~5 186), 111334#(<= ULTIMATE.start_main_~k~5 185), 111337#(<= ULTIMATE.start_main_~k~5 188), 111336#(<= ULTIMATE.start_main_~k~5 187), 111339#(<= ULTIMATE.start_main_~k~5 190), 111338#(<= ULTIMATE.start_main_~k~5 189), 111341#(<= ULTIMATE.start_main_~k~5 192), 111340#(<= ULTIMATE.start_main_~k~5 191), 111343#(<= ULTIMATE.start_main_~k~5 194), 111342#(<= ULTIMATE.start_main_~k~5 193), 111345#(<= ULTIMATE.start_main_~k~5 196), 111344#(<= ULTIMATE.start_main_~k~5 195), 111347#(<= ULTIMATE.start_main_~k~5 198), 111346#(<= ULTIMATE.start_main_~k~5 197), 111349#(<= ULTIMATE.start_main_~k~5 200), 111348#(<= ULTIMATE.start_main_~k~5 199), 111351#(<= ULTIMATE.start_main_~k~5 202), 111350#(<= ULTIMATE.start_main_~k~5 201), 111353#(<= ULTIMATE.start_main_~k~5 204), 111352#(<= ULTIMATE.start_main_~k~5 203), 111355#(<= ULTIMATE.start_main_~k~5 206), 111354#(<= ULTIMATE.start_main_~k~5 205)] [2018-07-23 13:42:58,169 INFO L134 CoverageAnalysis]: Checked inductivity of 21321 backedges. 0 proven. 21321 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2018-07-23 13:42:58,170 INFO L450 AbstractCegarLoop]: Interpolant automaton has 209 states [2018-07-23 13:42:58,173 INFO L132 InterpolantAutomaton]: Constructing interpolant automaton starting with 209 interpolants. [2018-07-23 13:42:58,174 INFO L133 InterpolantAutomaton]: CoverageRelationStatistics Valid=21736, Invalid=21736, Unknown=0, NotChecked=0, Total=43472 [2018-07-23 13:42:58,175 INFO L87 Difference]: Start difference. First operand 210 states and 210 transitions. Second operand 209 states. [2018-07-23 13:42:59,635 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2018-07-23 13:42:59,636 INFO L93 Difference]: Finished difference Result 213 states and 213 transitions. [2018-07-23 13:42:59,636 INFO L142 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 209 states. [2018-07-23 13:42:59,636 INFO L78 Accepts]: Start accepts. Automaton has 209 states. Word has length 209 [2018-07-23 13:42:59,636 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2018-07-23 13:42:59,636 INFO L225 Difference]: With dead ends: 213 [2018-07-23 13:42:59,637 INFO L226 Difference]: Without dead ends: 211 [2018-07-23 13:42:59,639 INFO L575 BasicCegarLoop]: 0 DeclaredPredicates, 208 GetRequests, 1 SyntacticMatches, 0 SemanticMatches, 207 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 0 ImplicationChecksByTransitivity, 0.9s TimeCoverageRelationStatistics Valid=21736, Invalid=21736, Unknown=0, NotChecked=0, Total=43472 [2018-07-23 13:42:59,639 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 211 states. [2018-07-23 13:42:59,641 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 211 to 211. [2018-07-23 13:42:59,641 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 211 states. [2018-07-23 13:42:59,641 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 211 states to 211 states and 211 transitions. [2018-07-23 13:42:59,642 INFO L78 Accepts]: Start accepts. Automaton has 211 states and 211 transitions. Word has length 209 [2018-07-23 13:42:59,642 INFO L84 Accepts]: Finished accepts. word is rejected. [2018-07-23 13:42:59,642 INFO L471 AbstractCegarLoop]: Abstraction has 211 states and 211 transitions. [2018-07-23 13:42:59,642 INFO L472 AbstractCegarLoop]: Interpolant automaton has 209 states. [2018-07-23 13:42:59,642 INFO L276 IsEmpty]: Start isEmpty. Operand 211 states and 211 transitions. [2018-07-23 13:42:59,642 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 211 [2018-07-23 13:42:59,642 INFO L349 BasicCegarLoop]: Found error trace [2018-07-23 13:42:59,642 INFO L357 BasicCegarLoop]: trace histogram [207, 1, 1, 1] [2018-07-23 13:42:59,643 INFO L414 AbstractCegarLoop]: === Iteration 208 === [ULTIMATE.startErr0AssertViolationASSERT]=== [2018-07-23 13:42:59,643 INFO L82 PathProgramCache]: Analyzing trace with hash 2039580936, now seen corresponding path program 207 times [2018-07-23 13:42:59,643 INFO L69 tionRefinementEngine]: Using refinement strategy FixedRefinementStrategy [2018-07-23 13:42:59,775 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-07-23 13:43:00,880 INFO L134 CoverageAnalysis]: Checked inductivity of 21528 backedges. 0 proven. 21528 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2018-07-23 13:43:00,880 INFO L309 seRefinementStrategy]: Constructing automaton from 0 perfect and 1 imperfect interpolant sequences. [2018-07-23 13:43:00,880 INFO L324 seRefinementStrategy]: Number of different interpolants: perfect sequences [] imperfect sequences [209] total 209 [2018-07-23 13:43:00,880 INFO L142 lantAutomatonBuilder]: Constructing canonical interpolant automaton, with selfloop in false state [2018-07-23 13:43:00,880 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2018-07-23 13:43:00,881 INFO L185 omatonBuilderFactory]: Interpolants [112205#false, 112204#true, 112207#(<= ULTIMATE.start_main_~k~5 1), 112206#(<= ULTIMATE.start_main_~k~5 0), 112209#(<= ULTIMATE.start_main_~k~5 3), 112208#(<= ULTIMATE.start_main_~k~5 2), 112211#(<= ULTIMATE.start_main_~k~5 5), 112210#(<= ULTIMATE.start_main_~k~5 4), 112213#(<= ULTIMATE.start_main_~k~5 7), 112212#(<= ULTIMATE.start_main_~k~5 6), 112215#(<= ULTIMATE.start_main_~k~5 9), 112214#(<= ULTIMATE.start_main_~k~5 8), 112217#(<= ULTIMATE.start_main_~k~5 11), 112216#(<= ULTIMATE.start_main_~k~5 10), 112219#(<= ULTIMATE.start_main_~k~5 13), 112218#(<= ULTIMATE.start_main_~k~5 12), 112221#(<= ULTIMATE.start_main_~k~5 15), 112220#(<= ULTIMATE.start_main_~k~5 14), 112223#(<= ULTIMATE.start_main_~k~5 17), 112222#(<= ULTIMATE.start_main_~k~5 16), 112225#(<= ULTIMATE.start_main_~k~5 19), 112224#(<= ULTIMATE.start_main_~k~5 18), 112227#(<= ULTIMATE.start_main_~k~5 21), 112226#(<= ULTIMATE.start_main_~k~5 20), 112229#(<= ULTIMATE.start_main_~k~5 23), 112228#(<= ULTIMATE.start_main_~k~5 22), 112231#(<= ULTIMATE.start_main_~k~5 25), 112230#(<= ULTIMATE.start_main_~k~5 24), 112233#(<= ULTIMATE.start_main_~k~5 27), 112232#(<= ULTIMATE.start_main_~k~5 26), 112235#(<= ULTIMATE.start_main_~k~5 29), 112234#(<= ULTIMATE.start_main_~k~5 28), 112237#(<= ULTIMATE.start_main_~k~5 31), 112236#(<= ULTIMATE.start_main_~k~5 30), 112239#(<= ULTIMATE.start_main_~k~5 33), 112238#(<= ULTIMATE.start_main_~k~5 32), 112241#(<= ULTIMATE.start_main_~k~5 35), 112240#(<= ULTIMATE.start_main_~k~5 34), 112243#(<= ULTIMATE.start_main_~k~5 37), 112242#(<= ULTIMATE.start_main_~k~5 36), 112245#(<= ULTIMATE.start_main_~k~5 39), 112244#(<= ULTIMATE.start_main_~k~5 38), 112247#(<= ULTIMATE.start_main_~k~5 41), 112246#(<= ULTIMATE.start_main_~k~5 40), 112249#(<= ULTIMATE.start_main_~k~5 43), 112248#(<= ULTIMATE.start_main_~k~5 42), 112251#(<= ULTIMATE.start_main_~k~5 45), 112250#(<= ULTIMATE.start_main_~k~5 44), 112253#(<= ULTIMATE.start_main_~k~5 47), 112252#(<= ULTIMATE.start_main_~k~5 46), 112255#(<= ULTIMATE.start_main_~k~5 49), 112254#(<= ULTIMATE.start_main_~k~5 48), 112257#(<= ULTIMATE.start_main_~k~5 51), 112256#(<= ULTIMATE.start_main_~k~5 50), 112259#(<= ULTIMATE.start_main_~k~5 53), 112258#(<= ULTIMATE.start_main_~k~5 52), 112261#(<= ULTIMATE.start_main_~k~5 55), 112260#(<= ULTIMATE.start_main_~k~5 54), 112263#(<= ULTIMATE.start_main_~k~5 57), 112262#(<= ULTIMATE.start_main_~k~5 56), 112265#(<= ULTIMATE.start_main_~k~5 59), 112264#(<= ULTIMATE.start_main_~k~5 58), 112267#(<= ULTIMATE.start_main_~k~5 61), 112266#(<= ULTIMATE.start_main_~k~5 60), 112269#(<= ULTIMATE.start_main_~k~5 63), 112268#(<= ULTIMATE.start_main_~k~5 62), 112271#(<= ULTIMATE.start_main_~k~5 65), 112270#(<= ULTIMATE.start_main_~k~5 64), 112273#(<= ULTIMATE.start_main_~k~5 67), 112272#(<= ULTIMATE.start_main_~k~5 66), 112275#(<= ULTIMATE.start_main_~k~5 69), 112274#(<= ULTIMATE.start_main_~k~5 68), 112277#(<= ULTIMATE.start_main_~k~5 71), 112276#(<= ULTIMATE.start_main_~k~5 70), 112279#(<= ULTIMATE.start_main_~k~5 73), 112278#(<= ULTIMATE.start_main_~k~5 72), 112281#(<= ULTIMATE.start_main_~k~5 75), 112280#(<= ULTIMATE.start_main_~k~5 74), 112283#(<= ULTIMATE.start_main_~k~5 77), 112282#(<= ULTIMATE.start_main_~k~5 76), 112285#(<= ULTIMATE.start_main_~k~5 79), 112284#(<= ULTIMATE.start_main_~k~5 78), 112287#(<= ULTIMATE.start_main_~k~5 81), 112286#(<= ULTIMATE.start_main_~k~5 80), 112289#(<= ULTIMATE.start_main_~k~5 83), 112288#(<= ULTIMATE.start_main_~k~5 82), 112291#(<= ULTIMATE.start_main_~k~5 85), 112290#(<= ULTIMATE.start_main_~k~5 84), 112293#(<= ULTIMATE.start_main_~k~5 87), 112292#(<= ULTIMATE.start_main_~k~5 86), 112295#(<= ULTIMATE.start_main_~k~5 89), 112294#(<= ULTIMATE.start_main_~k~5 88), 112297#(<= ULTIMATE.start_main_~k~5 91), 112296#(<= ULTIMATE.start_main_~k~5 90), 112299#(<= ULTIMATE.start_main_~k~5 93), 112298#(<= ULTIMATE.start_main_~k~5 92), 112301#(<= ULTIMATE.start_main_~k~5 95), 112300#(<= ULTIMATE.start_main_~k~5 94), 112303#(<= ULTIMATE.start_main_~k~5 97), 112302#(<= ULTIMATE.start_main_~k~5 96), 112305#(<= ULTIMATE.start_main_~k~5 99), 112304#(<= ULTIMATE.start_main_~k~5 98), 112307#(<= ULTIMATE.start_main_~k~5 101), 112306#(<= ULTIMATE.start_main_~k~5 100), 112309#(<= ULTIMATE.start_main_~k~5 103), 112308#(<= ULTIMATE.start_main_~k~5 102), 112311#(<= ULTIMATE.start_main_~k~5 105), 112310#(<= ULTIMATE.start_main_~k~5 104), 112313#(<= ULTIMATE.start_main_~k~5 107), 112312#(<= ULTIMATE.start_main_~k~5 106), 112315#(<= ULTIMATE.start_main_~k~5 109), 112314#(<= ULTIMATE.start_main_~k~5 108), 112317#(<= ULTIMATE.start_main_~k~5 111), 112316#(<= ULTIMATE.start_main_~k~5 110), 112319#(<= ULTIMATE.start_main_~k~5 113), 112318#(<= ULTIMATE.start_main_~k~5 112), 112321#(<= ULTIMATE.start_main_~k~5 115), 112320#(<= ULTIMATE.start_main_~k~5 114), 112323#(<= ULTIMATE.start_main_~k~5 117), 112322#(<= ULTIMATE.start_main_~k~5 116), 112325#(<= ULTIMATE.start_main_~k~5 119), 112324#(<= ULTIMATE.start_main_~k~5 118), 112327#(<= ULTIMATE.start_main_~k~5 121), 112326#(<= ULTIMATE.start_main_~k~5 120), 112329#(<= ULTIMATE.start_main_~k~5 123), 112328#(<= ULTIMATE.start_main_~k~5 122), 112331#(<= ULTIMATE.start_main_~k~5 125), 112330#(<= ULTIMATE.start_main_~k~5 124), 112333#(<= ULTIMATE.start_main_~k~5 127), 112332#(<= ULTIMATE.start_main_~k~5 126), 112335#(<= ULTIMATE.start_main_~k~5 129), 112334#(<= ULTIMATE.start_main_~k~5 128), 112337#(<= ULTIMATE.start_main_~k~5 131), 112336#(<= ULTIMATE.start_main_~k~5 130), 112339#(<= ULTIMATE.start_main_~k~5 133), 112338#(<= ULTIMATE.start_main_~k~5 132), 112341#(<= ULTIMATE.start_main_~k~5 135), 112340#(<= ULTIMATE.start_main_~k~5 134), 112343#(<= ULTIMATE.start_main_~k~5 137), 112342#(<= ULTIMATE.start_main_~k~5 136), 112345#(<= ULTIMATE.start_main_~k~5 139), 112344#(<= ULTIMATE.start_main_~k~5 138), 112347#(<= ULTIMATE.start_main_~k~5 141), 112346#(<= ULTIMATE.start_main_~k~5 140), 112349#(<= ULTIMATE.start_main_~k~5 143), 112348#(<= ULTIMATE.start_main_~k~5 142), 112351#(<= ULTIMATE.start_main_~k~5 145), 112350#(<= ULTIMATE.start_main_~k~5 144), 112353#(<= ULTIMATE.start_main_~k~5 147), 112352#(<= ULTIMATE.start_main_~k~5 146), 112355#(<= ULTIMATE.start_main_~k~5 149), 112354#(<= ULTIMATE.start_main_~k~5 148), 112357#(<= ULTIMATE.start_main_~k~5 151), 112356#(<= ULTIMATE.start_main_~k~5 150), 112359#(<= ULTIMATE.start_main_~k~5 153), 112358#(<= ULTIMATE.start_main_~k~5 152), 112361#(<= ULTIMATE.start_main_~k~5 155), 112360#(<= ULTIMATE.start_main_~k~5 154), 112363#(<= ULTIMATE.start_main_~k~5 157), 112362#(<= ULTIMATE.start_main_~k~5 156), 112365#(<= ULTIMATE.start_main_~k~5 159), 112364#(<= ULTIMATE.start_main_~k~5 158), 112367#(<= ULTIMATE.start_main_~k~5 161), 112366#(<= ULTIMATE.start_main_~k~5 160), 112369#(<= ULTIMATE.start_main_~k~5 163), 112368#(<= ULTIMATE.start_main_~k~5 162), 112371#(<= ULTIMATE.start_main_~k~5 165), 112370#(<= ULTIMATE.start_main_~k~5 164), 112373#(<= ULTIMATE.start_main_~k~5 167), 112372#(<= ULTIMATE.start_main_~k~5 166), 112375#(<= ULTIMATE.start_main_~k~5 169), 112374#(<= ULTIMATE.start_main_~k~5 168), 112377#(<= ULTIMATE.start_main_~k~5 171), 112376#(<= ULTIMATE.start_main_~k~5 170), 112379#(<= ULTIMATE.start_main_~k~5 173), 112378#(<= ULTIMATE.start_main_~k~5 172), 112381#(<= ULTIMATE.start_main_~k~5 175), 112380#(<= ULTIMATE.start_main_~k~5 174), 112383#(<= ULTIMATE.start_main_~k~5 177), 112382#(<= ULTIMATE.start_main_~k~5 176), 112385#(<= ULTIMATE.start_main_~k~5 179), 112384#(<= ULTIMATE.start_main_~k~5 178), 112387#(<= ULTIMATE.start_main_~k~5 181), 112386#(<= ULTIMATE.start_main_~k~5 180), 112389#(<= ULTIMATE.start_main_~k~5 183), 112388#(<= ULTIMATE.start_main_~k~5 182), 112391#(<= ULTIMATE.start_main_~k~5 185), 112390#(<= ULTIMATE.start_main_~k~5 184), 112393#(<= ULTIMATE.start_main_~k~5 187), 112392#(<= ULTIMATE.start_main_~k~5 186), 112395#(<= ULTIMATE.start_main_~k~5 189), 112394#(<= ULTIMATE.start_main_~k~5 188), 112397#(<= ULTIMATE.start_main_~k~5 191), 112396#(<= ULTIMATE.start_main_~k~5 190), 112399#(<= ULTIMATE.start_main_~k~5 193), 112398#(<= ULTIMATE.start_main_~k~5 192), 112401#(<= ULTIMATE.start_main_~k~5 195), 112400#(<= ULTIMATE.start_main_~k~5 194), 112403#(<= ULTIMATE.start_main_~k~5 197), 112402#(<= ULTIMATE.start_main_~k~5 196), 112405#(<= ULTIMATE.start_main_~k~5 199), 112404#(<= ULTIMATE.start_main_~k~5 198), 112407#(<= ULTIMATE.start_main_~k~5 201), 112406#(<= ULTIMATE.start_main_~k~5 200), 112409#(<= ULTIMATE.start_main_~k~5 203), 112408#(<= ULTIMATE.start_main_~k~5 202), 112411#(<= ULTIMATE.start_main_~k~5 205), 112410#(<= ULTIMATE.start_main_~k~5 204), 112413#(<= ULTIMATE.start_main_~k~5 207), 112412#(<= ULTIMATE.start_main_~k~5 206)] [2018-07-23 13:43:00,882 INFO L134 CoverageAnalysis]: Checked inductivity of 21528 backedges. 0 proven. 21528 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2018-07-23 13:43:00,882 INFO L450 AbstractCegarLoop]: Interpolant automaton has 210 states [2018-07-23 13:43:00,885 INFO L132 InterpolantAutomaton]: Constructing interpolant automaton starting with 210 interpolants. [2018-07-23 13:43:00,887 INFO L133 InterpolantAutomaton]: CoverageRelationStatistics Valid=21945, Invalid=21945, Unknown=0, NotChecked=0, Total=43890 [2018-07-23 13:43:00,887 INFO L87 Difference]: Start difference. First operand 211 states and 211 transitions. Second operand 210 states. [2018-07-23 13:43:02,137 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2018-07-23 13:43:02,137 INFO L93 Difference]: Finished difference Result 214 states and 214 transitions. [2018-07-23 13:43:02,137 INFO L142 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 210 states. [2018-07-23 13:43:02,137 INFO L78 Accepts]: Start accepts. Automaton has 210 states. Word has length 210 [2018-07-23 13:43:02,138 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2018-07-23 13:43:02,138 INFO L225 Difference]: With dead ends: 214 [2018-07-23 13:43:02,138 INFO L226 Difference]: Without dead ends: 212 [2018-07-23 13:43:02,141 INFO L575 BasicCegarLoop]: 0 DeclaredPredicates, 209 GetRequests, 1 SyntacticMatches, 0 SemanticMatches, 208 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 0 ImplicationChecksByTransitivity, 0.9s TimeCoverageRelationStatistics Valid=21945, Invalid=21945, Unknown=0, NotChecked=0, Total=43890 [2018-07-23 13:43:02,141 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 212 states. [2018-07-23 13:43:02,144 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 212 to 212. [2018-07-23 13:43:02,145 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 212 states. [2018-07-23 13:43:02,145 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 212 states to 212 states and 212 transitions. [2018-07-23 13:43:02,145 INFO L78 Accepts]: Start accepts. Automaton has 212 states and 212 transitions. Word has length 210 [2018-07-23 13:43:02,145 INFO L84 Accepts]: Finished accepts. word is rejected. [2018-07-23 13:43:02,146 INFO L471 AbstractCegarLoop]: Abstraction has 212 states and 212 transitions. [2018-07-23 13:43:02,146 INFO L472 AbstractCegarLoop]: Interpolant automaton has 210 states. [2018-07-23 13:43:02,146 INFO L276 IsEmpty]: Start isEmpty. Operand 212 states and 212 transitions. [2018-07-23 13:43:02,146 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 212 [2018-07-23 13:43:02,147 INFO L349 BasicCegarLoop]: Found error trace [2018-07-23 13:43:02,147 INFO L357 BasicCegarLoop]: trace histogram [208, 1, 1, 1] [2018-07-23 13:43:02,147 INFO L414 AbstractCegarLoop]: === Iteration 209 === [ULTIMATE.startErr0AssertViolationASSERT]=== [2018-07-23 13:43:02,147 INFO L82 PathProgramCache]: Analyzing trace with hash -1197502399, now seen corresponding path program 208 times [2018-07-23 13:43:02,147 INFO L69 tionRefinementEngine]: Using refinement strategy FixedRefinementStrategy [2018-07-23 13:43:02,325 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-07-23 13:43:03,602 INFO L134 CoverageAnalysis]: Checked inductivity of 21736 backedges. 0 proven. 21736 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2018-07-23 13:43:03,603 INFO L309 seRefinementStrategy]: Constructing automaton from 0 perfect and 1 imperfect interpolant sequences. [2018-07-23 13:43:03,603 INFO L324 seRefinementStrategy]: Number of different interpolants: perfect sequences [] imperfect sequences [210] total 210 [2018-07-23 13:43:03,603 INFO L142 lantAutomatonBuilder]: Constructing canonical interpolant automaton, with selfloop in false state [2018-07-23 13:43:03,603 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2018-07-23 13:43:03,604 INFO L185 omatonBuilderFactory]: Interpolants [113267#false, 113266#true, 113269#(<= ULTIMATE.start_main_~k~5 1), 113268#(<= ULTIMATE.start_main_~k~5 0), 113271#(<= ULTIMATE.start_main_~k~5 3), 113270#(<= ULTIMATE.start_main_~k~5 2), 113273#(<= ULTIMATE.start_main_~k~5 5), 113272#(<= ULTIMATE.start_main_~k~5 4), 113275#(<= ULTIMATE.start_main_~k~5 7), 113274#(<= ULTIMATE.start_main_~k~5 6), 113277#(<= ULTIMATE.start_main_~k~5 9), 113276#(<= ULTIMATE.start_main_~k~5 8), 113279#(<= ULTIMATE.start_main_~k~5 11), 113278#(<= ULTIMATE.start_main_~k~5 10), 113281#(<= ULTIMATE.start_main_~k~5 13), 113280#(<= ULTIMATE.start_main_~k~5 12), 113283#(<= ULTIMATE.start_main_~k~5 15), 113282#(<= ULTIMATE.start_main_~k~5 14), 113285#(<= ULTIMATE.start_main_~k~5 17), 113284#(<= ULTIMATE.start_main_~k~5 16), 113287#(<= ULTIMATE.start_main_~k~5 19), 113286#(<= ULTIMATE.start_main_~k~5 18), 113289#(<= ULTIMATE.start_main_~k~5 21), 113288#(<= ULTIMATE.start_main_~k~5 20), 113291#(<= ULTIMATE.start_main_~k~5 23), 113290#(<= ULTIMATE.start_main_~k~5 22), 113293#(<= ULTIMATE.start_main_~k~5 25), 113292#(<= ULTIMATE.start_main_~k~5 24), 113295#(<= ULTIMATE.start_main_~k~5 27), 113294#(<= ULTIMATE.start_main_~k~5 26), 113297#(<= ULTIMATE.start_main_~k~5 29), 113296#(<= ULTIMATE.start_main_~k~5 28), 113299#(<= ULTIMATE.start_main_~k~5 31), 113298#(<= ULTIMATE.start_main_~k~5 30), 113301#(<= ULTIMATE.start_main_~k~5 33), 113300#(<= ULTIMATE.start_main_~k~5 32), 113303#(<= ULTIMATE.start_main_~k~5 35), 113302#(<= ULTIMATE.start_main_~k~5 34), 113305#(<= ULTIMATE.start_main_~k~5 37), 113304#(<= ULTIMATE.start_main_~k~5 36), 113307#(<= ULTIMATE.start_main_~k~5 39), 113306#(<= ULTIMATE.start_main_~k~5 38), 113309#(<= ULTIMATE.start_main_~k~5 41), 113308#(<= ULTIMATE.start_main_~k~5 40), 113311#(<= ULTIMATE.start_main_~k~5 43), 113310#(<= ULTIMATE.start_main_~k~5 42), 113313#(<= ULTIMATE.start_main_~k~5 45), 113312#(<= ULTIMATE.start_main_~k~5 44), 113315#(<= ULTIMATE.start_main_~k~5 47), 113314#(<= ULTIMATE.start_main_~k~5 46), 113317#(<= ULTIMATE.start_main_~k~5 49), 113316#(<= ULTIMATE.start_main_~k~5 48), 113319#(<= ULTIMATE.start_main_~k~5 51), 113318#(<= ULTIMATE.start_main_~k~5 50), 113321#(<= ULTIMATE.start_main_~k~5 53), 113320#(<= ULTIMATE.start_main_~k~5 52), 113323#(<= ULTIMATE.start_main_~k~5 55), 113322#(<= ULTIMATE.start_main_~k~5 54), 113325#(<= ULTIMATE.start_main_~k~5 57), 113324#(<= ULTIMATE.start_main_~k~5 56), 113327#(<= ULTIMATE.start_main_~k~5 59), 113326#(<= ULTIMATE.start_main_~k~5 58), 113329#(<= ULTIMATE.start_main_~k~5 61), 113328#(<= ULTIMATE.start_main_~k~5 60), 113331#(<= ULTIMATE.start_main_~k~5 63), 113330#(<= ULTIMATE.start_main_~k~5 62), 113333#(<= ULTIMATE.start_main_~k~5 65), 113332#(<= ULTIMATE.start_main_~k~5 64), 113335#(<= ULTIMATE.start_main_~k~5 67), 113334#(<= ULTIMATE.start_main_~k~5 66), 113337#(<= ULTIMATE.start_main_~k~5 69), 113336#(<= ULTIMATE.start_main_~k~5 68), 113339#(<= ULTIMATE.start_main_~k~5 71), 113338#(<= ULTIMATE.start_main_~k~5 70), 113341#(<= ULTIMATE.start_main_~k~5 73), 113340#(<= ULTIMATE.start_main_~k~5 72), 113343#(<= ULTIMATE.start_main_~k~5 75), 113342#(<= ULTIMATE.start_main_~k~5 74), 113345#(<= ULTIMATE.start_main_~k~5 77), 113344#(<= ULTIMATE.start_main_~k~5 76), 113347#(<= ULTIMATE.start_main_~k~5 79), 113346#(<= ULTIMATE.start_main_~k~5 78), 113349#(<= ULTIMATE.start_main_~k~5 81), 113348#(<= ULTIMATE.start_main_~k~5 80), 113351#(<= ULTIMATE.start_main_~k~5 83), 113350#(<= ULTIMATE.start_main_~k~5 82), 113353#(<= ULTIMATE.start_main_~k~5 85), 113352#(<= ULTIMATE.start_main_~k~5 84), 113355#(<= ULTIMATE.start_main_~k~5 87), 113354#(<= ULTIMATE.start_main_~k~5 86), 113357#(<= ULTIMATE.start_main_~k~5 89), 113356#(<= ULTIMATE.start_main_~k~5 88), 113359#(<= ULTIMATE.start_main_~k~5 91), 113358#(<= ULTIMATE.start_main_~k~5 90), 113361#(<= ULTIMATE.start_main_~k~5 93), 113360#(<= ULTIMATE.start_main_~k~5 92), 113363#(<= ULTIMATE.start_main_~k~5 95), 113362#(<= ULTIMATE.start_main_~k~5 94), 113365#(<= ULTIMATE.start_main_~k~5 97), 113364#(<= ULTIMATE.start_main_~k~5 96), 113367#(<= ULTIMATE.start_main_~k~5 99), 113366#(<= ULTIMATE.start_main_~k~5 98), 113369#(<= ULTIMATE.start_main_~k~5 101), 113368#(<= ULTIMATE.start_main_~k~5 100), 113371#(<= ULTIMATE.start_main_~k~5 103), 113370#(<= ULTIMATE.start_main_~k~5 102), 113373#(<= ULTIMATE.start_main_~k~5 105), 113372#(<= ULTIMATE.start_main_~k~5 104), 113375#(<= ULTIMATE.start_main_~k~5 107), 113374#(<= ULTIMATE.start_main_~k~5 106), 113377#(<= ULTIMATE.start_main_~k~5 109), 113376#(<= ULTIMATE.start_main_~k~5 108), 113379#(<= ULTIMATE.start_main_~k~5 111), 113378#(<= ULTIMATE.start_main_~k~5 110), 113381#(<= ULTIMATE.start_main_~k~5 113), 113380#(<= ULTIMATE.start_main_~k~5 112), 113383#(<= ULTIMATE.start_main_~k~5 115), 113382#(<= ULTIMATE.start_main_~k~5 114), 113385#(<= ULTIMATE.start_main_~k~5 117), 113384#(<= ULTIMATE.start_main_~k~5 116), 113387#(<= ULTIMATE.start_main_~k~5 119), 113386#(<= ULTIMATE.start_main_~k~5 118), 113389#(<= ULTIMATE.start_main_~k~5 121), 113388#(<= ULTIMATE.start_main_~k~5 120), 113391#(<= ULTIMATE.start_main_~k~5 123), 113390#(<= ULTIMATE.start_main_~k~5 122), 113393#(<= ULTIMATE.start_main_~k~5 125), 113392#(<= ULTIMATE.start_main_~k~5 124), 113395#(<= ULTIMATE.start_main_~k~5 127), 113394#(<= ULTIMATE.start_main_~k~5 126), 113397#(<= ULTIMATE.start_main_~k~5 129), 113396#(<= ULTIMATE.start_main_~k~5 128), 113399#(<= ULTIMATE.start_main_~k~5 131), 113398#(<= ULTIMATE.start_main_~k~5 130), 113401#(<= ULTIMATE.start_main_~k~5 133), 113400#(<= ULTIMATE.start_main_~k~5 132), 113403#(<= ULTIMATE.start_main_~k~5 135), 113402#(<= ULTIMATE.start_main_~k~5 134), 113405#(<= ULTIMATE.start_main_~k~5 137), 113404#(<= ULTIMATE.start_main_~k~5 136), 113407#(<= ULTIMATE.start_main_~k~5 139), 113406#(<= ULTIMATE.start_main_~k~5 138), 113409#(<= ULTIMATE.start_main_~k~5 141), 113408#(<= ULTIMATE.start_main_~k~5 140), 113411#(<= ULTIMATE.start_main_~k~5 143), 113410#(<= ULTIMATE.start_main_~k~5 142), 113413#(<= ULTIMATE.start_main_~k~5 145), 113412#(<= ULTIMATE.start_main_~k~5 144), 113415#(<= ULTIMATE.start_main_~k~5 147), 113414#(<= ULTIMATE.start_main_~k~5 146), 113417#(<= ULTIMATE.start_main_~k~5 149), 113416#(<= ULTIMATE.start_main_~k~5 148), 113419#(<= ULTIMATE.start_main_~k~5 151), 113418#(<= ULTIMATE.start_main_~k~5 150), 113421#(<= ULTIMATE.start_main_~k~5 153), 113420#(<= ULTIMATE.start_main_~k~5 152), 113423#(<= ULTIMATE.start_main_~k~5 155), 113422#(<= ULTIMATE.start_main_~k~5 154), 113425#(<= ULTIMATE.start_main_~k~5 157), 113424#(<= ULTIMATE.start_main_~k~5 156), 113427#(<= ULTIMATE.start_main_~k~5 159), 113426#(<= ULTIMATE.start_main_~k~5 158), 113429#(<= ULTIMATE.start_main_~k~5 161), 113428#(<= ULTIMATE.start_main_~k~5 160), 113431#(<= ULTIMATE.start_main_~k~5 163), 113430#(<= ULTIMATE.start_main_~k~5 162), 113433#(<= ULTIMATE.start_main_~k~5 165), 113432#(<= ULTIMATE.start_main_~k~5 164), 113435#(<= ULTIMATE.start_main_~k~5 167), 113434#(<= ULTIMATE.start_main_~k~5 166), 113437#(<= ULTIMATE.start_main_~k~5 169), 113436#(<= ULTIMATE.start_main_~k~5 168), 113439#(<= ULTIMATE.start_main_~k~5 171), 113438#(<= ULTIMATE.start_main_~k~5 170), 113441#(<= ULTIMATE.start_main_~k~5 173), 113440#(<= ULTIMATE.start_main_~k~5 172), 113443#(<= ULTIMATE.start_main_~k~5 175), 113442#(<= ULTIMATE.start_main_~k~5 174), 113445#(<= ULTIMATE.start_main_~k~5 177), 113444#(<= ULTIMATE.start_main_~k~5 176), 113447#(<= ULTIMATE.start_main_~k~5 179), 113446#(<= ULTIMATE.start_main_~k~5 178), 113449#(<= ULTIMATE.start_main_~k~5 181), 113448#(<= ULTIMATE.start_main_~k~5 180), 113451#(<= ULTIMATE.start_main_~k~5 183), 113450#(<= ULTIMATE.start_main_~k~5 182), 113453#(<= ULTIMATE.start_main_~k~5 185), 113452#(<= ULTIMATE.start_main_~k~5 184), 113455#(<= ULTIMATE.start_main_~k~5 187), 113454#(<= ULTIMATE.start_main_~k~5 186), 113457#(<= ULTIMATE.start_main_~k~5 189), 113456#(<= ULTIMATE.start_main_~k~5 188), 113459#(<= ULTIMATE.start_main_~k~5 191), 113458#(<= ULTIMATE.start_main_~k~5 190), 113461#(<= ULTIMATE.start_main_~k~5 193), 113460#(<= ULTIMATE.start_main_~k~5 192), 113463#(<= ULTIMATE.start_main_~k~5 195), 113462#(<= ULTIMATE.start_main_~k~5 194), 113465#(<= ULTIMATE.start_main_~k~5 197), 113464#(<= ULTIMATE.start_main_~k~5 196), 113467#(<= ULTIMATE.start_main_~k~5 199), 113466#(<= ULTIMATE.start_main_~k~5 198), 113469#(<= ULTIMATE.start_main_~k~5 201), 113468#(<= ULTIMATE.start_main_~k~5 200), 113471#(<= ULTIMATE.start_main_~k~5 203), 113470#(<= ULTIMATE.start_main_~k~5 202), 113473#(<= ULTIMATE.start_main_~k~5 205), 113472#(<= ULTIMATE.start_main_~k~5 204), 113475#(<= ULTIMATE.start_main_~k~5 207), 113474#(<= ULTIMATE.start_main_~k~5 206), 113476#(<= ULTIMATE.start_main_~k~5 208)] [2018-07-23 13:43:03,605 INFO L134 CoverageAnalysis]: Checked inductivity of 21736 backedges. 0 proven. 21736 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2018-07-23 13:43:03,605 INFO L450 AbstractCegarLoop]: Interpolant automaton has 211 states [2018-07-23 13:43:03,608 INFO L132 InterpolantAutomaton]: Constructing interpolant automaton starting with 211 interpolants. [2018-07-23 13:43:03,609 INFO L133 InterpolantAutomaton]: CoverageRelationStatistics Valid=22155, Invalid=22155, Unknown=0, NotChecked=0, Total=44310 [2018-07-23 13:43:03,610 INFO L87 Difference]: Start difference. First operand 212 states and 212 transitions. Second operand 211 states. [2018-07-23 13:43:04,293 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2018-07-23 13:43:04,294 INFO L93 Difference]: Finished difference Result 215 states and 215 transitions. [2018-07-23 13:43:04,294 INFO L142 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 211 states. [2018-07-23 13:43:04,294 INFO L78 Accepts]: Start accepts. Automaton has 211 states. Word has length 211 [2018-07-23 13:43:04,294 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2018-07-23 13:43:04,294 INFO L225 Difference]: With dead ends: 215 [2018-07-23 13:43:04,294 INFO L226 Difference]: Without dead ends: 213 [2018-07-23 13:43:04,296 INFO L575 BasicCegarLoop]: 0 DeclaredPredicates, 210 GetRequests, 1 SyntacticMatches, 0 SemanticMatches, 209 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 0 ImplicationChecksByTransitivity, 1.1s TimeCoverageRelationStatistics Valid=22155, Invalid=22155, Unknown=0, NotChecked=0, Total=44310 [2018-07-23 13:43:04,296 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 213 states. [2018-07-23 13:43:04,298 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 213 to 213. [2018-07-23 13:43:04,298 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 213 states. [2018-07-23 13:43:04,298 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 213 states to 213 states and 213 transitions. [2018-07-23 13:43:04,298 INFO L78 Accepts]: Start accepts. Automaton has 213 states and 213 transitions. Word has length 211 [2018-07-23 13:43:04,299 INFO L84 Accepts]: Finished accepts. word is rejected. [2018-07-23 13:43:04,299 INFO L471 AbstractCegarLoop]: Abstraction has 213 states and 213 transitions. [2018-07-23 13:43:04,299 INFO L472 AbstractCegarLoop]: Interpolant automaton has 211 states. [2018-07-23 13:43:04,299 INFO L276 IsEmpty]: Start isEmpty. Operand 213 states and 213 transitions. [2018-07-23 13:43:04,299 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 213 [2018-07-23 13:43:04,299 INFO L349 BasicCegarLoop]: Found error trace [2018-07-23 13:43:04,299 INFO L357 BasicCegarLoop]: trace histogram [209, 1, 1, 1] [2018-07-23 13:43:04,299 INFO L414 AbstractCegarLoop]: === Iteration 210 === [ULTIMATE.startErr0AssertViolationASSERT]=== [2018-07-23 13:43:04,300 INFO L82 PathProgramCache]: Analyzing trace with hash 1532129320, now seen corresponding path program 209 times [2018-07-23 13:43:04,300 INFO L69 tionRefinementEngine]: Using refinement strategy FixedRefinementStrategy [2018-07-23 13:43:04,389 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-07-23 13:43:05,427 INFO L134 CoverageAnalysis]: Checked inductivity of 21945 backedges. 0 proven. 21945 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2018-07-23 13:43:05,427 INFO L309 seRefinementStrategy]: Constructing automaton from 0 perfect and 1 imperfect interpolant sequences. [2018-07-23 13:43:05,427 INFO L324 seRefinementStrategy]: Number of different interpolants: perfect sequences [] imperfect sequences [211] total 211 [2018-07-23 13:43:05,427 INFO L142 lantAutomatonBuilder]: Constructing canonical interpolant automaton, with selfloop in false state [2018-07-23 13:43:05,427 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2018-07-23 13:43:05,428 INFO L185 omatonBuilderFactory]: Interpolants [114333#true, 114335#(<= ULTIMATE.start_main_~k~5 0), 114334#false, 114337#(<= ULTIMATE.start_main_~k~5 2), 114336#(<= ULTIMATE.start_main_~k~5 1), 114339#(<= ULTIMATE.start_main_~k~5 4), 114338#(<= ULTIMATE.start_main_~k~5 3), 114341#(<= ULTIMATE.start_main_~k~5 6), 114340#(<= ULTIMATE.start_main_~k~5 5), 114343#(<= ULTIMATE.start_main_~k~5 8), 114342#(<= ULTIMATE.start_main_~k~5 7), 114345#(<= ULTIMATE.start_main_~k~5 10), 114344#(<= ULTIMATE.start_main_~k~5 9), 114347#(<= ULTIMATE.start_main_~k~5 12), 114346#(<= ULTIMATE.start_main_~k~5 11), 114349#(<= ULTIMATE.start_main_~k~5 14), 114348#(<= ULTIMATE.start_main_~k~5 13), 114351#(<= ULTIMATE.start_main_~k~5 16), 114350#(<= ULTIMATE.start_main_~k~5 15), 114353#(<= ULTIMATE.start_main_~k~5 18), 114352#(<= ULTIMATE.start_main_~k~5 17), 114355#(<= ULTIMATE.start_main_~k~5 20), 114354#(<= ULTIMATE.start_main_~k~5 19), 114357#(<= ULTIMATE.start_main_~k~5 22), 114356#(<= ULTIMATE.start_main_~k~5 21), 114359#(<= ULTIMATE.start_main_~k~5 24), 114358#(<= ULTIMATE.start_main_~k~5 23), 114361#(<= ULTIMATE.start_main_~k~5 26), 114360#(<= ULTIMATE.start_main_~k~5 25), 114363#(<= ULTIMATE.start_main_~k~5 28), 114362#(<= ULTIMATE.start_main_~k~5 27), 114365#(<= ULTIMATE.start_main_~k~5 30), 114364#(<= ULTIMATE.start_main_~k~5 29), 114367#(<= ULTIMATE.start_main_~k~5 32), 114366#(<= ULTIMATE.start_main_~k~5 31), 114369#(<= ULTIMATE.start_main_~k~5 34), 114368#(<= ULTIMATE.start_main_~k~5 33), 114371#(<= ULTIMATE.start_main_~k~5 36), 114370#(<= ULTIMATE.start_main_~k~5 35), 114373#(<= ULTIMATE.start_main_~k~5 38), 114372#(<= ULTIMATE.start_main_~k~5 37), 114375#(<= ULTIMATE.start_main_~k~5 40), 114374#(<= ULTIMATE.start_main_~k~5 39), 114377#(<= ULTIMATE.start_main_~k~5 42), 114376#(<= ULTIMATE.start_main_~k~5 41), 114379#(<= ULTIMATE.start_main_~k~5 44), 114378#(<= ULTIMATE.start_main_~k~5 43), 114381#(<= ULTIMATE.start_main_~k~5 46), 114380#(<= ULTIMATE.start_main_~k~5 45), 114383#(<= ULTIMATE.start_main_~k~5 48), 114382#(<= ULTIMATE.start_main_~k~5 47), 114385#(<= ULTIMATE.start_main_~k~5 50), 114384#(<= ULTIMATE.start_main_~k~5 49), 114387#(<= ULTIMATE.start_main_~k~5 52), 114386#(<= ULTIMATE.start_main_~k~5 51), 114389#(<= ULTIMATE.start_main_~k~5 54), 114388#(<= ULTIMATE.start_main_~k~5 53), 114391#(<= ULTIMATE.start_main_~k~5 56), 114390#(<= ULTIMATE.start_main_~k~5 55), 114393#(<= ULTIMATE.start_main_~k~5 58), 114392#(<= ULTIMATE.start_main_~k~5 57), 114395#(<= ULTIMATE.start_main_~k~5 60), 114394#(<= ULTIMATE.start_main_~k~5 59), 114397#(<= ULTIMATE.start_main_~k~5 62), 114396#(<= ULTIMATE.start_main_~k~5 61), 114399#(<= ULTIMATE.start_main_~k~5 64), 114398#(<= ULTIMATE.start_main_~k~5 63), 114401#(<= ULTIMATE.start_main_~k~5 66), 114400#(<= ULTIMATE.start_main_~k~5 65), 114403#(<= ULTIMATE.start_main_~k~5 68), 114402#(<= ULTIMATE.start_main_~k~5 67), 114405#(<= ULTIMATE.start_main_~k~5 70), 114404#(<= ULTIMATE.start_main_~k~5 69), 114407#(<= ULTIMATE.start_main_~k~5 72), 114406#(<= ULTIMATE.start_main_~k~5 71), 114409#(<= ULTIMATE.start_main_~k~5 74), 114408#(<= ULTIMATE.start_main_~k~5 73), 114411#(<= ULTIMATE.start_main_~k~5 76), 114410#(<= ULTIMATE.start_main_~k~5 75), 114413#(<= ULTIMATE.start_main_~k~5 78), 114412#(<= ULTIMATE.start_main_~k~5 77), 114415#(<= ULTIMATE.start_main_~k~5 80), 114414#(<= ULTIMATE.start_main_~k~5 79), 114417#(<= ULTIMATE.start_main_~k~5 82), 114416#(<= ULTIMATE.start_main_~k~5 81), 114419#(<= ULTIMATE.start_main_~k~5 84), 114418#(<= ULTIMATE.start_main_~k~5 83), 114421#(<= ULTIMATE.start_main_~k~5 86), 114420#(<= ULTIMATE.start_main_~k~5 85), 114423#(<= ULTIMATE.start_main_~k~5 88), 114422#(<= ULTIMATE.start_main_~k~5 87), 114425#(<= ULTIMATE.start_main_~k~5 90), 114424#(<= ULTIMATE.start_main_~k~5 89), 114427#(<= ULTIMATE.start_main_~k~5 92), 114426#(<= ULTIMATE.start_main_~k~5 91), 114429#(<= ULTIMATE.start_main_~k~5 94), 114428#(<= ULTIMATE.start_main_~k~5 93), 114431#(<= ULTIMATE.start_main_~k~5 96), 114430#(<= ULTIMATE.start_main_~k~5 95), 114433#(<= ULTIMATE.start_main_~k~5 98), 114432#(<= ULTIMATE.start_main_~k~5 97), 114435#(<= ULTIMATE.start_main_~k~5 100), 114434#(<= ULTIMATE.start_main_~k~5 99), 114437#(<= ULTIMATE.start_main_~k~5 102), 114436#(<= ULTIMATE.start_main_~k~5 101), 114439#(<= ULTIMATE.start_main_~k~5 104), 114438#(<= ULTIMATE.start_main_~k~5 103), 114441#(<= ULTIMATE.start_main_~k~5 106), 114440#(<= ULTIMATE.start_main_~k~5 105), 114443#(<= ULTIMATE.start_main_~k~5 108), 114442#(<= ULTIMATE.start_main_~k~5 107), 114445#(<= ULTIMATE.start_main_~k~5 110), 114444#(<= ULTIMATE.start_main_~k~5 109), 114447#(<= ULTIMATE.start_main_~k~5 112), 114446#(<= ULTIMATE.start_main_~k~5 111), 114449#(<= ULTIMATE.start_main_~k~5 114), 114448#(<= ULTIMATE.start_main_~k~5 113), 114451#(<= ULTIMATE.start_main_~k~5 116), 114450#(<= ULTIMATE.start_main_~k~5 115), 114453#(<= ULTIMATE.start_main_~k~5 118), 114452#(<= ULTIMATE.start_main_~k~5 117), 114455#(<= ULTIMATE.start_main_~k~5 120), 114454#(<= ULTIMATE.start_main_~k~5 119), 114457#(<= ULTIMATE.start_main_~k~5 122), 114456#(<= ULTIMATE.start_main_~k~5 121), 114459#(<= ULTIMATE.start_main_~k~5 124), 114458#(<= ULTIMATE.start_main_~k~5 123), 114461#(<= ULTIMATE.start_main_~k~5 126), 114460#(<= ULTIMATE.start_main_~k~5 125), 114463#(<= ULTIMATE.start_main_~k~5 128), 114462#(<= ULTIMATE.start_main_~k~5 127), 114465#(<= ULTIMATE.start_main_~k~5 130), 114464#(<= ULTIMATE.start_main_~k~5 129), 114467#(<= ULTIMATE.start_main_~k~5 132), 114466#(<= ULTIMATE.start_main_~k~5 131), 114469#(<= ULTIMATE.start_main_~k~5 134), 114468#(<= ULTIMATE.start_main_~k~5 133), 114471#(<= ULTIMATE.start_main_~k~5 136), 114470#(<= ULTIMATE.start_main_~k~5 135), 114473#(<= ULTIMATE.start_main_~k~5 138), 114472#(<= ULTIMATE.start_main_~k~5 137), 114475#(<= ULTIMATE.start_main_~k~5 140), 114474#(<= ULTIMATE.start_main_~k~5 139), 114477#(<= ULTIMATE.start_main_~k~5 142), 114476#(<= ULTIMATE.start_main_~k~5 141), 114479#(<= ULTIMATE.start_main_~k~5 144), 114478#(<= ULTIMATE.start_main_~k~5 143), 114481#(<= ULTIMATE.start_main_~k~5 146), 114480#(<= ULTIMATE.start_main_~k~5 145), 114483#(<= ULTIMATE.start_main_~k~5 148), 114482#(<= ULTIMATE.start_main_~k~5 147), 114485#(<= ULTIMATE.start_main_~k~5 150), 114484#(<= ULTIMATE.start_main_~k~5 149), 114487#(<= ULTIMATE.start_main_~k~5 152), 114486#(<= ULTIMATE.start_main_~k~5 151), 114489#(<= ULTIMATE.start_main_~k~5 154), 114488#(<= ULTIMATE.start_main_~k~5 153), 114491#(<= ULTIMATE.start_main_~k~5 156), 114490#(<= ULTIMATE.start_main_~k~5 155), 114493#(<= ULTIMATE.start_main_~k~5 158), 114492#(<= ULTIMATE.start_main_~k~5 157), 114495#(<= ULTIMATE.start_main_~k~5 160), 114494#(<= ULTIMATE.start_main_~k~5 159), 114497#(<= ULTIMATE.start_main_~k~5 162), 114496#(<= ULTIMATE.start_main_~k~5 161), 114499#(<= ULTIMATE.start_main_~k~5 164), 114498#(<= ULTIMATE.start_main_~k~5 163), 114501#(<= ULTIMATE.start_main_~k~5 166), 114500#(<= ULTIMATE.start_main_~k~5 165), 114503#(<= ULTIMATE.start_main_~k~5 168), 114502#(<= ULTIMATE.start_main_~k~5 167), 114505#(<= ULTIMATE.start_main_~k~5 170), 114504#(<= ULTIMATE.start_main_~k~5 169), 114507#(<= ULTIMATE.start_main_~k~5 172), 114506#(<= ULTIMATE.start_main_~k~5 171), 114509#(<= ULTIMATE.start_main_~k~5 174), 114508#(<= ULTIMATE.start_main_~k~5 173), 114511#(<= ULTIMATE.start_main_~k~5 176), 114510#(<= ULTIMATE.start_main_~k~5 175), 114513#(<= ULTIMATE.start_main_~k~5 178), 114512#(<= ULTIMATE.start_main_~k~5 177), 114515#(<= ULTIMATE.start_main_~k~5 180), 114514#(<= ULTIMATE.start_main_~k~5 179), 114517#(<= ULTIMATE.start_main_~k~5 182), 114516#(<= ULTIMATE.start_main_~k~5 181), 114519#(<= ULTIMATE.start_main_~k~5 184), 114518#(<= ULTIMATE.start_main_~k~5 183), 114521#(<= ULTIMATE.start_main_~k~5 186), 114520#(<= ULTIMATE.start_main_~k~5 185), 114523#(<= ULTIMATE.start_main_~k~5 188), 114522#(<= ULTIMATE.start_main_~k~5 187), 114525#(<= ULTIMATE.start_main_~k~5 190), 114524#(<= ULTIMATE.start_main_~k~5 189), 114527#(<= ULTIMATE.start_main_~k~5 192), 114526#(<= ULTIMATE.start_main_~k~5 191), 114529#(<= ULTIMATE.start_main_~k~5 194), 114528#(<= ULTIMATE.start_main_~k~5 193), 114531#(<= ULTIMATE.start_main_~k~5 196), 114530#(<= ULTIMATE.start_main_~k~5 195), 114533#(<= ULTIMATE.start_main_~k~5 198), 114532#(<= ULTIMATE.start_main_~k~5 197), 114535#(<= ULTIMATE.start_main_~k~5 200), 114534#(<= ULTIMATE.start_main_~k~5 199), 114537#(<= ULTIMATE.start_main_~k~5 202), 114536#(<= ULTIMATE.start_main_~k~5 201), 114539#(<= ULTIMATE.start_main_~k~5 204), 114538#(<= ULTIMATE.start_main_~k~5 203), 114541#(<= ULTIMATE.start_main_~k~5 206), 114540#(<= ULTIMATE.start_main_~k~5 205), 114543#(<= ULTIMATE.start_main_~k~5 208), 114542#(<= ULTIMATE.start_main_~k~5 207), 114544#(<= ULTIMATE.start_main_~k~5 209)] [2018-07-23 13:43:05,429 INFO L134 CoverageAnalysis]: Checked inductivity of 21945 backedges. 0 proven. 21945 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2018-07-23 13:43:05,429 INFO L450 AbstractCegarLoop]: Interpolant automaton has 212 states [2018-07-23 13:43:05,433 INFO L132 InterpolantAutomaton]: Constructing interpolant automaton starting with 212 interpolants. [2018-07-23 13:43:05,434 INFO L133 InterpolantAutomaton]: CoverageRelationStatistics Valid=22366, Invalid=22366, Unknown=0, NotChecked=0, Total=44732 [2018-07-23 13:43:05,435 INFO L87 Difference]: Start difference. First operand 213 states and 213 transitions. Second operand 212 states. [2018-07-23 13:43:06,036 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2018-07-23 13:43:06,036 INFO L93 Difference]: Finished difference Result 216 states and 216 transitions. [2018-07-23 13:43:06,036 INFO L142 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 212 states. [2018-07-23 13:43:06,036 INFO L78 Accepts]: Start accepts. Automaton has 212 states. Word has length 212 [2018-07-23 13:43:06,036 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2018-07-23 13:43:06,037 INFO L225 Difference]: With dead ends: 216 [2018-07-23 13:43:06,037 INFO L226 Difference]: Without dead ends: 214 [2018-07-23 13:43:06,039 INFO L575 BasicCegarLoop]: 0 DeclaredPredicates, 211 GetRequests, 1 SyntacticMatches, 0 SemanticMatches, 210 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 0 ImplicationChecksByTransitivity, 0.9s TimeCoverageRelationStatistics Valid=22366, Invalid=22366, Unknown=0, NotChecked=0, Total=44732 [2018-07-23 13:43:06,039 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 214 states. [2018-07-23 13:43:06,041 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 214 to 214. [2018-07-23 13:43:06,041 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 214 states. [2018-07-23 13:43:06,041 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 214 states to 214 states and 214 transitions. [2018-07-23 13:43:06,041 INFO L78 Accepts]: Start accepts. Automaton has 214 states and 214 transitions. Word has length 212 [2018-07-23 13:43:06,041 INFO L84 Accepts]: Finished accepts. word is rejected. [2018-07-23 13:43:06,041 INFO L471 AbstractCegarLoop]: Abstraction has 214 states and 214 transitions. [2018-07-23 13:43:06,041 INFO L472 AbstractCegarLoop]: Interpolant automaton has 212 states. [2018-07-23 13:43:06,041 INFO L276 IsEmpty]: Start isEmpty. Operand 214 states and 214 transitions. [2018-07-23 13:43:06,042 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 214 [2018-07-23 13:43:06,042 INFO L349 BasicCegarLoop]: Found error trace [2018-07-23 13:43:06,042 INFO L357 BasicCegarLoop]: trace histogram [210, 1, 1, 1] [2018-07-23 13:43:06,042 INFO L414 AbstractCegarLoop]: === Iteration 211 === [ULTIMATE.startErr0AssertViolationASSERT]=== [2018-07-23 13:43:06,042 INFO L82 PathProgramCache]: Analyzing trace with hash 251366689, now seen corresponding path program 210 times [2018-07-23 13:43:06,042 INFO L69 tionRefinementEngine]: Using refinement strategy FixedRefinementStrategy [2018-07-23 13:43:06,136 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-07-23 13:43:07,211 INFO L134 CoverageAnalysis]: Checked inductivity of 22155 backedges. 0 proven. 22155 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2018-07-23 13:43:07,211 INFO L309 seRefinementStrategy]: Constructing automaton from 0 perfect and 1 imperfect interpolant sequences. [2018-07-23 13:43:07,211 INFO L324 seRefinementStrategy]: Number of different interpolants: perfect sequences [] imperfect sequences [212] total 212 [2018-07-23 13:43:07,211 INFO L142 lantAutomatonBuilder]: Constructing canonical interpolant automaton, with selfloop in false state [2018-07-23 13:43:07,212 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2018-07-23 13:43:07,212 INFO L185 omatonBuilderFactory]: Interpolants [115405#true, 115407#(<= ULTIMATE.start_main_~k~5 0), 115406#false, 115409#(<= ULTIMATE.start_main_~k~5 2), 115408#(<= ULTIMATE.start_main_~k~5 1), 115411#(<= ULTIMATE.start_main_~k~5 4), 115410#(<= ULTIMATE.start_main_~k~5 3), 115413#(<= ULTIMATE.start_main_~k~5 6), 115412#(<= ULTIMATE.start_main_~k~5 5), 115415#(<= ULTIMATE.start_main_~k~5 8), 115414#(<= ULTIMATE.start_main_~k~5 7), 115417#(<= ULTIMATE.start_main_~k~5 10), 115416#(<= ULTIMATE.start_main_~k~5 9), 115419#(<= ULTIMATE.start_main_~k~5 12), 115418#(<= ULTIMATE.start_main_~k~5 11), 115421#(<= ULTIMATE.start_main_~k~5 14), 115420#(<= ULTIMATE.start_main_~k~5 13), 115423#(<= ULTIMATE.start_main_~k~5 16), 115422#(<= ULTIMATE.start_main_~k~5 15), 115425#(<= ULTIMATE.start_main_~k~5 18), 115424#(<= ULTIMATE.start_main_~k~5 17), 115427#(<= ULTIMATE.start_main_~k~5 20), 115426#(<= ULTIMATE.start_main_~k~5 19), 115429#(<= ULTIMATE.start_main_~k~5 22), 115428#(<= ULTIMATE.start_main_~k~5 21), 115431#(<= ULTIMATE.start_main_~k~5 24), 115430#(<= ULTIMATE.start_main_~k~5 23), 115433#(<= ULTIMATE.start_main_~k~5 26), 115432#(<= ULTIMATE.start_main_~k~5 25), 115435#(<= ULTIMATE.start_main_~k~5 28), 115434#(<= ULTIMATE.start_main_~k~5 27), 115437#(<= ULTIMATE.start_main_~k~5 30), 115436#(<= ULTIMATE.start_main_~k~5 29), 115439#(<= ULTIMATE.start_main_~k~5 32), 115438#(<= ULTIMATE.start_main_~k~5 31), 115441#(<= ULTIMATE.start_main_~k~5 34), 115440#(<= ULTIMATE.start_main_~k~5 33), 115443#(<= ULTIMATE.start_main_~k~5 36), 115442#(<= ULTIMATE.start_main_~k~5 35), 115445#(<= ULTIMATE.start_main_~k~5 38), 115444#(<= ULTIMATE.start_main_~k~5 37), 115447#(<= ULTIMATE.start_main_~k~5 40), 115446#(<= ULTIMATE.start_main_~k~5 39), 115449#(<= ULTIMATE.start_main_~k~5 42), 115448#(<= ULTIMATE.start_main_~k~5 41), 115451#(<= ULTIMATE.start_main_~k~5 44), 115450#(<= ULTIMATE.start_main_~k~5 43), 115453#(<= ULTIMATE.start_main_~k~5 46), 115452#(<= ULTIMATE.start_main_~k~5 45), 115455#(<= ULTIMATE.start_main_~k~5 48), 115454#(<= ULTIMATE.start_main_~k~5 47), 115457#(<= ULTIMATE.start_main_~k~5 50), 115456#(<= ULTIMATE.start_main_~k~5 49), 115459#(<= ULTIMATE.start_main_~k~5 52), 115458#(<= ULTIMATE.start_main_~k~5 51), 115461#(<= ULTIMATE.start_main_~k~5 54), 115460#(<= ULTIMATE.start_main_~k~5 53), 115463#(<= ULTIMATE.start_main_~k~5 56), 115462#(<= ULTIMATE.start_main_~k~5 55), 115465#(<= ULTIMATE.start_main_~k~5 58), 115464#(<= ULTIMATE.start_main_~k~5 57), 115467#(<= ULTIMATE.start_main_~k~5 60), 115466#(<= ULTIMATE.start_main_~k~5 59), 115469#(<= ULTIMATE.start_main_~k~5 62), 115468#(<= ULTIMATE.start_main_~k~5 61), 115471#(<= ULTIMATE.start_main_~k~5 64), 115470#(<= ULTIMATE.start_main_~k~5 63), 115473#(<= ULTIMATE.start_main_~k~5 66), 115472#(<= ULTIMATE.start_main_~k~5 65), 115475#(<= ULTIMATE.start_main_~k~5 68), 115474#(<= ULTIMATE.start_main_~k~5 67), 115477#(<= ULTIMATE.start_main_~k~5 70), 115476#(<= ULTIMATE.start_main_~k~5 69), 115479#(<= ULTIMATE.start_main_~k~5 72), 115478#(<= ULTIMATE.start_main_~k~5 71), 115481#(<= ULTIMATE.start_main_~k~5 74), 115480#(<= ULTIMATE.start_main_~k~5 73), 115483#(<= ULTIMATE.start_main_~k~5 76), 115482#(<= ULTIMATE.start_main_~k~5 75), 115485#(<= ULTIMATE.start_main_~k~5 78), 115484#(<= ULTIMATE.start_main_~k~5 77), 115487#(<= ULTIMATE.start_main_~k~5 80), 115486#(<= ULTIMATE.start_main_~k~5 79), 115489#(<= ULTIMATE.start_main_~k~5 82), 115488#(<= ULTIMATE.start_main_~k~5 81), 115491#(<= ULTIMATE.start_main_~k~5 84), 115490#(<= ULTIMATE.start_main_~k~5 83), 115493#(<= ULTIMATE.start_main_~k~5 86), 115492#(<= ULTIMATE.start_main_~k~5 85), 115495#(<= ULTIMATE.start_main_~k~5 88), 115494#(<= ULTIMATE.start_main_~k~5 87), 115497#(<= ULTIMATE.start_main_~k~5 90), 115496#(<= ULTIMATE.start_main_~k~5 89), 115499#(<= ULTIMATE.start_main_~k~5 92), 115498#(<= ULTIMATE.start_main_~k~5 91), 115501#(<= ULTIMATE.start_main_~k~5 94), 115500#(<= ULTIMATE.start_main_~k~5 93), 115503#(<= ULTIMATE.start_main_~k~5 96), 115502#(<= ULTIMATE.start_main_~k~5 95), 115505#(<= ULTIMATE.start_main_~k~5 98), 115504#(<= ULTIMATE.start_main_~k~5 97), 115507#(<= ULTIMATE.start_main_~k~5 100), 115506#(<= ULTIMATE.start_main_~k~5 99), 115509#(<= ULTIMATE.start_main_~k~5 102), 115508#(<= ULTIMATE.start_main_~k~5 101), 115511#(<= ULTIMATE.start_main_~k~5 104), 115510#(<= ULTIMATE.start_main_~k~5 103), 115513#(<= ULTIMATE.start_main_~k~5 106), 115512#(<= ULTIMATE.start_main_~k~5 105), 115515#(<= ULTIMATE.start_main_~k~5 108), 115514#(<= ULTIMATE.start_main_~k~5 107), 115517#(<= ULTIMATE.start_main_~k~5 110), 115516#(<= ULTIMATE.start_main_~k~5 109), 115519#(<= ULTIMATE.start_main_~k~5 112), 115518#(<= ULTIMATE.start_main_~k~5 111), 115521#(<= ULTIMATE.start_main_~k~5 114), 115520#(<= ULTIMATE.start_main_~k~5 113), 115523#(<= ULTIMATE.start_main_~k~5 116), 115522#(<= ULTIMATE.start_main_~k~5 115), 115525#(<= ULTIMATE.start_main_~k~5 118), 115524#(<= ULTIMATE.start_main_~k~5 117), 115527#(<= ULTIMATE.start_main_~k~5 120), 115526#(<= ULTIMATE.start_main_~k~5 119), 115529#(<= ULTIMATE.start_main_~k~5 122), 115528#(<= ULTIMATE.start_main_~k~5 121), 115531#(<= ULTIMATE.start_main_~k~5 124), 115530#(<= ULTIMATE.start_main_~k~5 123), 115533#(<= ULTIMATE.start_main_~k~5 126), 115532#(<= ULTIMATE.start_main_~k~5 125), 115535#(<= ULTIMATE.start_main_~k~5 128), 115534#(<= ULTIMATE.start_main_~k~5 127), 115537#(<= ULTIMATE.start_main_~k~5 130), 115536#(<= ULTIMATE.start_main_~k~5 129), 115539#(<= ULTIMATE.start_main_~k~5 132), 115538#(<= ULTIMATE.start_main_~k~5 131), 115541#(<= ULTIMATE.start_main_~k~5 134), 115540#(<= ULTIMATE.start_main_~k~5 133), 115543#(<= ULTIMATE.start_main_~k~5 136), 115542#(<= ULTIMATE.start_main_~k~5 135), 115545#(<= ULTIMATE.start_main_~k~5 138), 115544#(<= ULTIMATE.start_main_~k~5 137), 115547#(<= ULTIMATE.start_main_~k~5 140), 115546#(<= ULTIMATE.start_main_~k~5 139), 115549#(<= ULTIMATE.start_main_~k~5 142), 115548#(<= ULTIMATE.start_main_~k~5 141), 115551#(<= ULTIMATE.start_main_~k~5 144), 115550#(<= ULTIMATE.start_main_~k~5 143), 115553#(<= ULTIMATE.start_main_~k~5 146), 115552#(<= ULTIMATE.start_main_~k~5 145), 115555#(<= ULTIMATE.start_main_~k~5 148), 115554#(<= ULTIMATE.start_main_~k~5 147), 115557#(<= ULTIMATE.start_main_~k~5 150), 115556#(<= ULTIMATE.start_main_~k~5 149), 115559#(<= ULTIMATE.start_main_~k~5 152), 115558#(<= ULTIMATE.start_main_~k~5 151), 115561#(<= ULTIMATE.start_main_~k~5 154), 115560#(<= ULTIMATE.start_main_~k~5 153), 115563#(<= ULTIMATE.start_main_~k~5 156), 115562#(<= ULTIMATE.start_main_~k~5 155), 115565#(<= ULTIMATE.start_main_~k~5 158), 115564#(<= ULTIMATE.start_main_~k~5 157), 115567#(<= ULTIMATE.start_main_~k~5 160), 115566#(<= ULTIMATE.start_main_~k~5 159), 115569#(<= ULTIMATE.start_main_~k~5 162), 115568#(<= ULTIMATE.start_main_~k~5 161), 115571#(<= ULTIMATE.start_main_~k~5 164), 115570#(<= ULTIMATE.start_main_~k~5 163), 115573#(<= ULTIMATE.start_main_~k~5 166), 115572#(<= ULTIMATE.start_main_~k~5 165), 115575#(<= ULTIMATE.start_main_~k~5 168), 115574#(<= ULTIMATE.start_main_~k~5 167), 115577#(<= ULTIMATE.start_main_~k~5 170), 115576#(<= ULTIMATE.start_main_~k~5 169), 115579#(<= ULTIMATE.start_main_~k~5 172), 115578#(<= ULTIMATE.start_main_~k~5 171), 115581#(<= ULTIMATE.start_main_~k~5 174), 115580#(<= ULTIMATE.start_main_~k~5 173), 115583#(<= ULTIMATE.start_main_~k~5 176), 115582#(<= ULTIMATE.start_main_~k~5 175), 115585#(<= ULTIMATE.start_main_~k~5 178), 115584#(<= ULTIMATE.start_main_~k~5 177), 115587#(<= ULTIMATE.start_main_~k~5 180), 115586#(<= ULTIMATE.start_main_~k~5 179), 115589#(<= ULTIMATE.start_main_~k~5 182), 115588#(<= ULTIMATE.start_main_~k~5 181), 115591#(<= ULTIMATE.start_main_~k~5 184), 115590#(<= ULTIMATE.start_main_~k~5 183), 115593#(<= ULTIMATE.start_main_~k~5 186), 115592#(<= ULTIMATE.start_main_~k~5 185), 115595#(<= ULTIMATE.start_main_~k~5 188), 115594#(<= ULTIMATE.start_main_~k~5 187), 115597#(<= ULTIMATE.start_main_~k~5 190), 115596#(<= ULTIMATE.start_main_~k~5 189), 115599#(<= ULTIMATE.start_main_~k~5 192), 115598#(<= ULTIMATE.start_main_~k~5 191), 115601#(<= ULTIMATE.start_main_~k~5 194), 115600#(<= ULTIMATE.start_main_~k~5 193), 115603#(<= ULTIMATE.start_main_~k~5 196), 115602#(<= ULTIMATE.start_main_~k~5 195), 115605#(<= ULTIMATE.start_main_~k~5 198), 115604#(<= ULTIMATE.start_main_~k~5 197), 115607#(<= ULTIMATE.start_main_~k~5 200), 115606#(<= ULTIMATE.start_main_~k~5 199), 115609#(<= ULTIMATE.start_main_~k~5 202), 115608#(<= ULTIMATE.start_main_~k~5 201), 115611#(<= ULTIMATE.start_main_~k~5 204), 115610#(<= ULTIMATE.start_main_~k~5 203), 115613#(<= ULTIMATE.start_main_~k~5 206), 115612#(<= ULTIMATE.start_main_~k~5 205), 115615#(<= ULTIMATE.start_main_~k~5 208), 115614#(<= ULTIMATE.start_main_~k~5 207), 115617#(<= ULTIMATE.start_main_~k~5 210), 115616#(<= ULTIMATE.start_main_~k~5 209)] [2018-07-23 13:43:07,213 INFO L134 CoverageAnalysis]: Checked inductivity of 22155 backedges. 0 proven. 22155 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2018-07-23 13:43:07,213 INFO L450 AbstractCegarLoop]: Interpolant automaton has 213 states [2018-07-23 13:43:07,214 INFO L132 InterpolantAutomaton]: Constructing interpolant automaton starting with 213 interpolants. [2018-07-23 13:43:07,215 INFO L133 InterpolantAutomaton]: CoverageRelationStatistics Valid=22578, Invalid=22578, Unknown=0, NotChecked=0, Total=45156 [2018-07-23 13:43:07,215 INFO L87 Difference]: Start difference. First operand 214 states and 214 transitions. Second operand 213 states. [2018-07-23 13:43:08,071 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2018-07-23 13:43:08,071 INFO L93 Difference]: Finished difference Result 217 states and 217 transitions. [2018-07-23 13:43:08,072 INFO L142 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 213 states. [2018-07-23 13:43:08,072 INFO L78 Accepts]: Start accepts. Automaton has 213 states. Word has length 213 [2018-07-23 13:43:08,072 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2018-07-23 13:43:08,072 INFO L225 Difference]: With dead ends: 217 [2018-07-23 13:43:08,072 INFO L226 Difference]: Without dead ends: 215 [2018-07-23 13:43:08,073 INFO L575 BasicCegarLoop]: 0 DeclaredPredicates, 212 GetRequests, 1 SyntacticMatches, 0 SemanticMatches, 211 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 0 ImplicationChecksByTransitivity, 0.9s TimeCoverageRelationStatistics Valid=22578, Invalid=22578, Unknown=0, NotChecked=0, Total=45156 [2018-07-23 13:43:08,073 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 215 states. [2018-07-23 13:43:08,075 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 215 to 215. [2018-07-23 13:43:08,075 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 215 states. [2018-07-23 13:43:08,075 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 215 states to 215 states and 215 transitions. [2018-07-23 13:43:08,076 INFO L78 Accepts]: Start accepts. Automaton has 215 states and 215 transitions. Word has length 213 [2018-07-23 13:43:08,076 INFO L84 Accepts]: Finished accepts. word is rejected. [2018-07-23 13:43:08,076 INFO L471 AbstractCegarLoop]: Abstraction has 215 states and 215 transitions. [2018-07-23 13:43:08,076 INFO L472 AbstractCegarLoop]: Interpolant automaton has 213 states. [2018-07-23 13:43:08,076 INFO L276 IsEmpty]: Start isEmpty. Operand 215 states and 215 transitions. [2018-07-23 13:43:08,076 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 215 [2018-07-23 13:43:08,076 INFO L349 BasicCegarLoop]: Found error trace [2018-07-23 13:43:08,076 INFO L357 BasicCegarLoop]: trace histogram [211, 1, 1, 1] [2018-07-23 13:43:08,077 INFO L414 AbstractCegarLoop]: === Iteration 212 === [ULTIMATE.startErr0AssertViolationASSERT]=== [2018-07-23 13:43:08,077 INFO L82 PathProgramCache]: Analyzing trace with hash -797569208, now seen corresponding path program 211 times [2018-07-23 13:43:08,077 INFO L69 tionRefinementEngine]: Using refinement strategy FixedRefinementStrategy [2018-07-23 13:43:08,176 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-07-23 13:43:09,179 INFO L134 CoverageAnalysis]: Checked inductivity of 22366 backedges. 0 proven. 22366 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2018-07-23 13:43:09,180 INFO L309 seRefinementStrategy]: Constructing automaton from 0 perfect and 1 imperfect interpolant sequences. [2018-07-23 13:43:09,180 INFO L324 seRefinementStrategy]: Number of different interpolants: perfect sequences [] imperfect sequences [213] total 213 [2018-07-23 13:43:09,180 INFO L142 lantAutomatonBuilder]: Constructing canonical interpolant automaton, with selfloop in false state [2018-07-23 13:43:09,180 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2018-07-23 13:43:09,180 INFO L185 omatonBuilderFactory]: Interpolants [116483#false, 116482#true, 116485#(<= ULTIMATE.start_main_~k~5 1), 116484#(<= ULTIMATE.start_main_~k~5 0), 116487#(<= ULTIMATE.start_main_~k~5 3), 116486#(<= ULTIMATE.start_main_~k~5 2), 116489#(<= ULTIMATE.start_main_~k~5 5), 116488#(<= ULTIMATE.start_main_~k~5 4), 116491#(<= ULTIMATE.start_main_~k~5 7), 116490#(<= ULTIMATE.start_main_~k~5 6), 116493#(<= ULTIMATE.start_main_~k~5 9), 116492#(<= ULTIMATE.start_main_~k~5 8), 116495#(<= ULTIMATE.start_main_~k~5 11), 116494#(<= ULTIMATE.start_main_~k~5 10), 116497#(<= ULTIMATE.start_main_~k~5 13), 116496#(<= ULTIMATE.start_main_~k~5 12), 116499#(<= ULTIMATE.start_main_~k~5 15), 116498#(<= ULTIMATE.start_main_~k~5 14), 116501#(<= ULTIMATE.start_main_~k~5 17), 116500#(<= ULTIMATE.start_main_~k~5 16), 116503#(<= ULTIMATE.start_main_~k~5 19), 116502#(<= ULTIMATE.start_main_~k~5 18), 116505#(<= ULTIMATE.start_main_~k~5 21), 116504#(<= ULTIMATE.start_main_~k~5 20), 116507#(<= ULTIMATE.start_main_~k~5 23), 116506#(<= ULTIMATE.start_main_~k~5 22), 116509#(<= ULTIMATE.start_main_~k~5 25), 116508#(<= ULTIMATE.start_main_~k~5 24), 116511#(<= ULTIMATE.start_main_~k~5 27), 116510#(<= ULTIMATE.start_main_~k~5 26), 116513#(<= ULTIMATE.start_main_~k~5 29), 116512#(<= ULTIMATE.start_main_~k~5 28), 116515#(<= ULTIMATE.start_main_~k~5 31), 116514#(<= ULTIMATE.start_main_~k~5 30), 116517#(<= ULTIMATE.start_main_~k~5 33), 116516#(<= ULTIMATE.start_main_~k~5 32), 116519#(<= ULTIMATE.start_main_~k~5 35), 116518#(<= ULTIMATE.start_main_~k~5 34), 116521#(<= ULTIMATE.start_main_~k~5 37), 116520#(<= ULTIMATE.start_main_~k~5 36), 116523#(<= ULTIMATE.start_main_~k~5 39), 116522#(<= ULTIMATE.start_main_~k~5 38), 116525#(<= ULTIMATE.start_main_~k~5 41), 116524#(<= ULTIMATE.start_main_~k~5 40), 116527#(<= ULTIMATE.start_main_~k~5 43), 116526#(<= ULTIMATE.start_main_~k~5 42), 116529#(<= ULTIMATE.start_main_~k~5 45), 116528#(<= ULTIMATE.start_main_~k~5 44), 116531#(<= ULTIMATE.start_main_~k~5 47), 116530#(<= ULTIMATE.start_main_~k~5 46), 116533#(<= ULTIMATE.start_main_~k~5 49), 116532#(<= ULTIMATE.start_main_~k~5 48), 116535#(<= ULTIMATE.start_main_~k~5 51), 116534#(<= ULTIMATE.start_main_~k~5 50), 116537#(<= ULTIMATE.start_main_~k~5 53), 116536#(<= ULTIMATE.start_main_~k~5 52), 116539#(<= ULTIMATE.start_main_~k~5 55), 116538#(<= ULTIMATE.start_main_~k~5 54), 116541#(<= ULTIMATE.start_main_~k~5 57), 116540#(<= ULTIMATE.start_main_~k~5 56), 116543#(<= ULTIMATE.start_main_~k~5 59), 116542#(<= ULTIMATE.start_main_~k~5 58), 116545#(<= ULTIMATE.start_main_~k~5 61), 116544#(<= ULTIMATE.start_main_~k~5 60), 116547#(<= ULTIMATE.start_main_~k~5 63), 116546#(<= ULTIMATE.start_main_~k~5 62), 116549#(<= ULTIMATE.start_main_~k~5 65), 116548#(<= ULTIMATE.start_main_~k~5 64), 116551#(<= ULTIMATE.start_main_~k~5 67), 116550#(<= ULTIMATE.start_main_~k~5 66), 116553#(<= ULTIMATE.start_main_~k~5 69), 116552#(<= ULTIMATE.start_main_~k~5 68), 116555#(<= ULTIMATE.start_main_~k~5 71), 116554#(<= ULTIMATE.start_main_~k~5 70), 116557#(<= ULTIMATE.start_main_~k~5 73), 116556#(<= ULTIMATE.start_main_~k~5 72), 116559#(<= ULTIMATE.start_main_~k~5 75), 116558#(<= ULTIMATE.start_main_~k~5 74), 116561#(<= ULTIMATE.start_main_~k~5 77), 116560#(<= ULTIMATE.start_main_~k~5 76), 116563#(<= ULTIMATE.start_main_~k~5 79), 116562#(<= ULTIMATE.start_main_~k~5 78), 116565#(<= ULTIMATE.start_main_~k~5 81), 116564#(<= ULTIMATE.start_main_~k~5 80), 116567#(<= ULTIMATE.start_main_~k~5 83), 116566#(<= ULTIMATE.start_main_~k~5 82), 116569#(<= ULTIMATE.start_main_~k~5 85), 116568#(<= ULTIMATE.start_main_~k~5 84), 116571#(<= ULTIMATE.start_main_~k~5 87), 116570#(<= ULTIMATE.start_main_~k~5 86), 116573#(<= ULTIMATE.start_main_~k~5 89), 116572#(<= ULTIMATE.start_main_~k~5 88), 116575#(<= ULTIMATE.start_main_~k~5 91), 116574#(<= ULTIMATE.start_main_~k~5 90), 116577#(<= ULTIMATE.start_main_~k~5 93), 116576#(<= ULTIMATE.start_main_~k~5 92), 116579#(<= ULTIMATE.start_main_~k~5 95), 116578#(<= ULTIMATE.start_main_~k~5 94), 116581#(<= ULTIMATE.start_main_~k~5 97), 116580#(<= ULTIMATE.start_main_~k~5 96), 116583#(<= ULTIMATE.start_main_~k~5 99), 116582#(<= ULTIMATE.start_main_~k~5 98), 116585#(<= ULTIMATE.start_main_~k~5 101), 116584#(<= ULTIMATE.start_main_~k~5 100), 116587#(<= ULTIMATE.start_main_~k~5 103), 116586#(<= ULTIMATE.start_main_~k~5 102), 116589#(<= ULTIMATE.start_main_~k~5 105), 116588#(<= ULTIMATE.start_main_~k~5 104), 116591#(<= ULTIMATE.start_main_~k~5 107), 116590#(<= ULTIMATE.start_main_~k~5 106), 116593#(<= ULTIMATE.start_main_~k~5 109), 116592#(<= ULTIMATE.start_main_~k~5 108), 116595#(<= ULTIMATE.start_main_~k~5 111), 116594#(<= ULTIMATE.start_main_~k~5 110), 116597#(<= ULTIMATE.start_main_~k~5 113), 116596#(<= ULTIMATE.start_main_~k~5 112), 116599#(<= ULTIMATE.start_main_~k~5 115), 116598#(<= ULTIMATE.start_main_~k~5 114), 116601#(<= ULTIMATE.start_main_~k~5 117), 116600#(<= ULTIMATE.start_main_~k~5 116), 116603#(<= ULTIMATE.start_main_~k~5 119), 116602#(<= ULTIMATE.start_main_~k~5 118), 116605#(<= ULTIMATE.start_main_~k~5 121), 116604#(<= ULTIMATE.start_main_~k~5 120), 116607#(<= ULTIMATE.start_main_~k~5 123), 116606#(<= ULTIMATE.start_main_~k~5 122), 116609#(<= ULTIMATE.start_main_~k~5 125), 116608#(<= ULTIMATE.start_main_~k~5 124), 116611#(<= ULTIMATE.start_main_~k~5 127), 116610#(<= ULTIMATE.start_main_~k~5 126), 116613#(<= ULTIMATE.start_main_~k~5 129), 116612#(<= ULTIMATE.start_main_~k~5 128), 116615#(<= ULTIMATE.start_main_~k~5 131), 116614#(<= ULTIMATE.start_main_~k~5 130), 116617#(<= ULTIMATE.start_main_~k~5 133), 116616#(<= ULTIMATE.start_main_~k~5 132), 116619#(<= ULTIMATE.start_main_~k~5 135), 116618#(<= ULTIMATE.start_main_~k~5 134), 116621#(<= ULTIMATE.start_main_~k~5 137), 116620#(<= ULTIMATE.start_main_~k~5 136), 116623#(<= ULTIMATE.start_main_~k~5 139), 116622#(<= ULTIMATE.start_main_~k~5 138), 116625#(<= ULTIMATE.start_main_~k~5 141), 116624#(<= ULTIMATE.start_main_~k~5 140), 116627#(<= ULTIMATE.start_main_~k~5 143), 116626#(<= ULTIMATE.start_main_~k~5 142), 116629#(<= ULTIMATE.start_main_~k~5 145), 116628#(<= ULTIMATE.start_main_~k~5 144), 116631#(<= ULTIMATE.start_main_~k~5 147), 116630#(<= ULTIMATE.start_main_~k~5 146), 116633#(<= ULTIMATE.start_main_~k~5 149), 116632#(<= ULTIMATE.start_main_~k~5 148), 116635#(<= ULTIMATE.start_main_~k~5 151), 116634#(<= ULTIMATE.start_main_~k~5 150), 116637#(<= ULTIMATE.start_main_~k~5 153), 116636#(<= ULTIMATE.start_main_~k~5 152), 116639#(<= ULTIMATE.start_main_~k~5 155), 116638#(<= ULTIMATE.start_main_~k~5 154), 116641#(<= ULTIMATE.start_main_~k~5 157), 116640#(<= ULTIMATE.start_main_~k~5 156), 116643#(<= ULTIMATE.start_main_~k~5 159), 116642#(<= ULTIMATE.start_main_~k~5 158), 116645#(<= ULTIMATE.start_main_~k~5 161), 116644#(<= ULTIMATE.start_main_~k~5 160), 116647#(<= ULTIMATE.start_main_~k~5 163), 116646#(<= ULTIMATE.start_main_~k~5 162), 116649#(<= ULTIMATE.start_main_~k~5 165), 116648#(<= ULTIMATE.start_main_~k~5 164), 116651#(<= ULTIMATE.start_main_~k~5 167), 116650#(<= ULTIMATE.start_main_~k~5 166), 116653#(<= ULTIMATE.start_main_~k~5 169), 116652#(<= ULTIMATE.start_main_~k~5 168), 116655#(<= ULTIMATE.start_main_~k~5 171), 116654#(<= ULTIMATE.start_main_~k~5 170), 116657#(<= ULTIMATE.start_main_~k~5 173), 116656#(<= ULTIMATE.start_main_~k~5 172), 116659#(<= ULTIMATE.start_main_~k~5 175), 116658#(<= ULTIMATE.start_main_~k~5 174), 116661#(<= ULTIMATE.start_main_~k~5 177), 116660#(<= ULTIMATE.start_main_~k~5 176), 116663#(<= ULTIMATE.start_main_~k~5 179), 116662#(<= ULTIMATE.start_main_~k~5 178), 116665#(<= ULTIMATE.start_main_~k~5 181), 116664#(<= ULTIMATE.start_main_~k~5 180), 116667#(<= ULTIMATE.start_main_~k~5 183), 116666#(<= ULTIMATE.start_main_~k~5 182), 116669#(<= ULTIMATE.start_main_~k~5 185), 116668#(<= ULTIMATE.start_main_~k~5 184), 116671#(<= ULTIMATE.start_main_~k~5 187), 116670#(<= ULTIMATE.start_main_~k~5 186), 116673#(<= ULTIMATE.start_main_~k~5 189), 116672#(<= ULTIMATE.start_main_~k~5 188), 116675#(<= ULTIMATE.start_main_~k~5 191), 116674#(<= ULTIMATE.start_main_~k~5 190), 116677#(<= ULTIMATE.start_main_~k~5 193), 116676#(<= ULTIMATE.start_main_~k~5 192), 116679#(<= ULTIMATE.start_main_~k~5 195), 116678#(<= ULTIMATE.start_main_~k~5 194), 116681#(<= ULTIMATE.start_main_~k~5 197), 116680#(<= ULTIMATE.start_main_~k~5 196), 116683#(<= ULTIMATE.start_main_~k~5 199), 116682#(<= ULTIMATE.start_main_~k~5 198), 116685#(<= ULTIMATE.start_main_~k~5 201), 116684#(<= ULTIMATE.start_main_~k~5 200), 116687#(<= ULTIMATE.start_main_~k~5 203), 116686#(<= ULTIMATE.start_main_~k~5 202), 116689#(<= ULTIMATE.start_main_~k~5 205), 116688#(<= ULTIMATE.start_main_~k~5 204), 116691#(<= ULTIMATE.start_main_~k~5 207), 116690#(<= ULTIMATE.start_main_~k~5 206), 116693#(<= ULTIMATE.start_main_~k~5 209), 116692#(<= ULTIMATE.start_main_~k~5 208), 116695#(<= ULTIMATE.start_main_~k~5 211), 116694#(<= ULTIMATE.start_main_~k~5 210)] [2018-07-23 13:43:09,182 INFO L134 CoverageAnalysis]: Checked inductivity of 22366 backedges. 0 proven. 22366 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2018-07-23 13:43:09,182 INFO L450 AbstractCegarLoop]: Interpolant automaton has 214 states [2018-07-23 13:43:09,185 INFO L132 InterpolantAutomaton]: Constructing interpolant automaton starting with 214 interpolants. [2018-07-23 13:43:09,186 INFO L133 InterpolantAutomaton]: CoverageRelationStatistics Valid=22791, Invalid=22791, Unknown=0, NotChecked=0, Total=45582 [2018-07-23 13:43:09,186 INFO L87 Difference]: Start difference. First operand 215 states and 215 transitions. Second operand 214 states. [2018-07-23 13:43:10,528 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2018-07-23 13:43:10,528 INFO L93 Difference]: Finished difference Result 218 states and 218 transitions. [2018-07-23 13:43:10,528 INFO L142 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 214 states. [2018-07-23 13:43:10,528 INFO L78 Accepts]: Start accepts. Automaton has 214 states. Word has length 214 [2018-07-23 13:43:10,529 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2018-07-23 13:43:10,529 INFO L225 Difference]: With dead ends: 218 [2018-07-23 13:43:10,529 INFO L226 Difference]: Without dead ends: 216 [2018-07-23 13:43:10,531 INFO L575 BasicCegarLoop]: 0 DeclaredPredicates, 213 GetRequests, 1 SyntacticMatches, 0 SemanticMatches, 212 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 0 ImplicationChecksByTransitivity, 0.9s TimeCoverageRelationStatistics Valid=22791, Invalid=22791, Unknown=0, NotChecked=0, Total=45582 [2018-07-23 13:43:10,531 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 216 states. [2018-07-23 13:43:10,533 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 216 to 216. [2018-07-23 13:43:10,533 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 216 states. [2018-07-23 13:43:10,533 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 216 states to 216 states and 216 transitions. [2018-07-23 13:43:10,533 INFO L78 Accepts]: Start accepts. Automaton has 216 states and 216 transitions. Word has length 214 [2018-07-23 13:43:10,534 INFO L84 Accepts]: Finished accepts. word is rejected. [2018-07-23 13:43:10,534 INFO L471 AbstractCegarLoop]: Abstraction has 216 states and 216 transitions. [2018-07-23 13:43:10,534 INFO L472 AbstractCegarLoop]: Interpolant automaton has 214 states. [2018-07-23 13:43:10,534 INFO L276 IsEmpty]: Start isEmpty. Operand 216 states and 216 transitions. [2018-07-23 13:43:10,534 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 216 [2018-07-23 13:43:10,534 INFO L349 BasicCegarLoop]: Found error trace [2018-07-23 13:43:10,534 INFO L357 BasicCegarLoop]: trace histogram [212, 1, 1, 1] [2018-07-23 13:43:10,534 INFO L414 AbstractCegarLoop]: === Iteration 213 === [ULTIMATE.startErr0AssertViolationASSERT]=== [2018-07-23 13:43:10,535 INFO L82 PathProgramCache]: Analyzing trace with hash 1045156353, now seen corresponding path program 212 times [2018-07-23 13:43:10,535 INFO L69 tionRefinementEngine]: Using refinement strategy FixedRefinementStrategy [2018-07-23 13:43:10,639 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-07-23 13:43:11,693 INFO L134 CoverageAnalysis]: Checked inductivity of 22578 backedges. 0 proven. 22578 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2018-07-23 13:43:11,693 INFO L309 seRefinementStrategy]: Constructing automaton from 0 perfect and 1 imperfect interpolant sequences. [2018-07-23 13:43:11,694 INFO L324 seRefinementStrategy]: Number of different interpolants: perfect sequences [] imperfect sequences [214] total 214 [2018-07-23 13:43:11,694 INFO L142 lantAutomatonBuilder]: Constructing canonical interpolant automaton, with selfloop in false state [2018-07-23 13:43:11,694 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2018-07-23 13:43:11,694 INFO L185 omatonBuilderFactory]: Interpolants [117761#(<= ULTIMATE.start_main_~k~5 195), 117760#(<= ULTIMATE.start_main_~k~5 194), 117763#(<= ULTIMATE.start_main_~k~5 197), 117762#(<= ULTIMATE.start_main_~k~5 196), 117765#(<= ULTIMATE.start_main_~k~5 199), 117764#(<= ULTIMATE.start_main_~k~5 198), 117767#(<= ULTIMATE.start_main_~k~5 201), 117766#(<= ULTIMATE.start_main_~k~5 200), 117769#(<= ULTIMATE.start_main_~k~5 203), 117768#(<= ULTIMATE.start_main_~k~5 202), 117771#(<= ULTIMATE.start_main_~k~5 205), 117770#(<= ULTIMATE.start_main_~k~5 204), 117773#(<= ULTIMATE.start_main_~k~5 207), 117772#(<= ULTIMATE.start_main_~k~5 206), 117775#(<= ULTIMATE.start_main_~k~5 209), 117774#(<= ULTIMATE.start_main_~k~5 208), 117777#(<= ULTIMATE.start_main_~k~5 211), 117776#(<= ULTIMATE.start_main_~k~5 210), 117778#(<= ULTIMATE.start_main_~k~5 212), 117565#false, 117564#true, 117567#(<= ULTIMATE.start_main_~k~5 1), 117566#(<= ULTIMATE.start_main_~k~5 0), 117569#(<= ULTIMATE.start_main_~k~5 3), 117568#(<= ULTIMATE.start_main_~k~5 2), 117571#(<= ULTIMATE.start_main_~k~5 5), 117570#(<= ULTIMATE.start_main_~k~5 4), 117573#(<= ULTIMATE.start_main_~k~5 7), 117572#(<= ULTIMATE.start_main_~k~5 6), 117575#(<= ULTIMATE.start_main_~k~5 9), 117574#(<= ULTIMATE.start_main_~k~5 8), 117577#(<= ULTIMATE.start_main_~k~5 11), 117576#(<= ULTIMATE.start_main_~k~5 10), 117579#(<= ULTIMATE.start_main_~k~5 13), 117578#(<= ULTIMATE.start_main_~k~5 12), 117581#(<= ULTIMATE.start_main_~k~5 15), 117580#(<= ULTIMATE.start_main_~k~5 14), 117583#(<= ULTIMATE.start_main_~k~5 17), 117582#(<= ULTIMATE.start_main_~k~5 16), 117585#(<= ULTIMATE.start_main_~k~5 19), 117584#(<= ULTIMATE.start_main_~k~5 18), 117587#(<= ULTIMATE.start_main_~k~5 21), 117586#(<= ULTIMATE.start_main_~k~5 20), 117589#(<= ULTIMATE.start_main_~k~5 23), 117588#(<= ULTIMATE.start_main_~k~5 22), 117591#(<= ULTIMATE.start_main_~k~5 25), 117590#(<= ULTIMATE.start_main_~k~5 24), 117593#(<= ULTIMATE.start_main_~k~5 27), 117592#(<= ULTIMATE.start_main_~k~5 26), 117595#(<= ULTIMATE.start_main_~k~5 29), 117594#(<= ULTIMATE.start_main_~k~5 28), 117597#(<= ULTIMATE.start_main_~k~5 31), 117596#(<= ULTIMATE.start_main_~k~5 30), 117599#(<= ULTIMATE.start_main_~k~5 33), 117598#(<= ULTIMATE.start_main_~k~5 32), 117601#(<= ULTIMATE.start_main_~k~5 35), 117600#(<= ULTIMATE.start_main_~k~5 34), 117603#(<= ULTIMATE.start_main_~k~5 37), 117602#(<= ULTIMATE.start_main_~k~5 36), 117605#(<= ULTIMATE.start_main_~k~5 39), 117604#(<= ULTIMATE.start_main_~k~5 38), 117607#(<= ULTIMATE.start_main_~k~5 41), 117606#(<= ULTIMATE.start_main_~k~5 40), 117609#(<= ULTIMATE.start_main_~k~5 43), 117608#(<= ULTIMATE.start_main_~k~5 42), 117611#(<= ULTIMATE.start_main_~k~5 45), 117610#(<= ULTIMATE.start_main_~k~5 44), 117613#(<= ULTIMATE.start_main_~k~5 47), 117612#(<= ULTIMATE.start_main_~k~5 46), 117615#(<= ULTIMATE.start_main_~k~5 49), 117614#(<= ULTIMATE.start_main_~k~5 48), 117617#(<= ULTIMATE.start_main_~k~5 51), 117616#(<= ULTIMATE.start_main_~k~5 50), 117619#(<= ULTIMATE.start_main_~k~5 53), 117618#(<= ULTIMATE.start_main_~k~5 52), 117621#(<= ULTIMATE.start_main_~k~5 55), 117620#(<= ULTIMATE.start_main_~k~5 54), 117623#(<= ULTIMATE.start_main_~k~5 57), 117622#(<= ULTIMATE.start_main_~k~5 56), 117625#(<= ULTIMATE.start_main_~k~5 59), 117624#(<= ULTIMATE.start_main_~k~5 58), 117627#(<= ULTIMATE.start_main_~k~5 61), 117626#(<= ULTIMATE.start_main_~k~5 60), 117629#(<= ULTIMATE.start_main_~k~5 63), 117628#(<= ULTIMATE.start_main_~k~5 62), 117631#(<= ULTIMATE.start_main_~k~5 65), 117630#(<= ULTIMATE.start_main_~k~5 64), 117633#(<= ULTIMATE.start_main_~k~5 67), 117632#(<= ULTIMATE.start_main_~k~5 66), 117635#(<= ULTIMATE.start_main_~k~5 69), 117634#(<= ULTIMATE.start_main_~k~5 68), 117637#(<= ULTIMATE.start_main_~k~5 71), 117636#(<= ULTIMATE.start_main_~k~5 70), 117639#(<= ULTIMATE.start_main_~k~5 73), 117638#(<= ULTIMATE.start_main_~k~5 72), 117641#(<= ULTIMATE.start_main_~k~5 75), 117640#(<= ULTIMATE.start_main_~k~5 74), 117643#(<= ULTIMATE.start_main_~k~5 77), 117642#(<= ULTIMATE.start_main_~k~5 76), 117645#(<= ULTIMATE.start_main_~k~5 79), 117644#(<= ULTIMATE.start_main_~k~5 78), 117647#(<= ULTIMATE.start_main_~k~5 81), 117646#(<= ULTIMATE.start_main_~k~5 80), 117649#(<= ULTIMATE.start_main_~k~5 83), 117648#(<= ULTIMATE.start_main_~k~5 82), 117651#(<= ULTIMATE.start_main_~k~5 85), 117650#(<= ULTIMATE.start_main_~k~5 84), 117653#(<= ULTIMATE.start_main_~k~5 87), 117652#(<= ULTIMATE.start_main_~k~5 86), 117655#(<= ULTIMATE.start_main_~k~5 89), 117654#(<= ULTIMATE.start_main_~k~5 88), 117657#(<= ULTIMATE.start_main_~k~5 91), 117656#(<= ULTIMATE.start_main_~k~5 90), 117659#(<= ULTIMATE.start_main_~k~5 93), 117658#(<= ULTIMATE.start_main_~k~5 92), 117661#(<= ULTIMATE.start_main_~k~5 95), 117660#(<= ULTIMATE.start_main_~k~5 94), 117663#(<= ULTIMATE.start_main_~k~5 97), 117662#(<= ULTIMATE.start_main_~k~5 96), 117665#(<= ULTIMATE.start_main_~k~5 99), 117664#(<= ULTIMATE.start_main_~k~5 98), 117667#(<= ULTIMATE.start_main_~k~5 101), 117666#(<= ULTIMATE.start_main_~k~5 100), 117669#(<= ULTIMATE.start_main_~k~5 103), 117668#(<= ULTIMATE.start_main_~k~5 102), 117671#(<= ULTIMATE.start_main_~k~5 105), 117670#(<= ULTIMATE.start_main_~k~5 104), 117673#(<= ULTIMATE.start_main_~k~5 107), 117672#(<= ULTIMATE.start_main_~k~5 106), 117675#(<= ULTIMATE.start_main_~k~5 109), 117674#(<= ULTIMATE.start_main_~k~5 108), 117677#(<= ULTIMATE.start_main_~k~5 111), 117676#(<= ULTIMATE.start_main_~k~5 110), 117679#(<= ULTIMATE.start_main_~k~5 113), 117678#(<= ULTIMATE.start_main_~k~5 112), 117681#(<= ULTIMATE.start_main_~k~5 115), 117680#(<= ULTIMATE.start_main_~k~5 114), 117683#(<= ULTIMATE.start_main_~k~5 117), 117682#(<= ULTIMATE.start_main_~k~5 116), 117685#(<= ULTIMATE.start_main_~k~5 119), 117684#(<= ULTIMATE.start_main_~k~5 118), 117687#(<= ULTIMATE.start_main_~k~5 121), 117686#(<= ULTIMATE.start_main_~k~5 120), 117689#(<= ULTIMATE.start_main_~k~5 123), 117688#(<= ULTIMATE.start_main_~k~5 122), 117691#(<= ULTIMATE.start_main_~k~5 125), 117690#(<= ULTIMATE.start_main_~k~5 124), 117693#(<= ULTIMATE.start_main_~k~5 127), 117692#(<= ULTIMATE.start_main_~k~5 126), 117695#(<= ULTIMATE.start_main_~k~5 129), 117694#(<= ULTIMATE.start_main_~k~5 128), 117697#(<= ULTIMATE.start_main_~k~5 131), 117696#(<= ULTIMATE.start_main_~k~5 130), 117699#(<= ULTIMATE.start_main_~k~5 133), 117698#(<= ULTIMATE.start_main_~k~5 132), 117701#(<= ULTIMATE.start_main_~k~5 135), 117700#(<= ULTIMATE.start_main_~k~5 134), 117703#(<= ULTIMATE.start_main_~k~5 137), 117702#(<= ULTIMATE.start_main_~k~5 136), 117705#(<= ULTIMATE.start_main_~k~5 139), 117704#(<= ULTIMATE.start_main_~k~5 138), 117707#(<= ULTIMATE.start_main_~k~5 141), 117706#(<= ULTIMATE.start_main_~k~5 140), 117709#(<= ULTIMATE.start_main_~k~5 143), 117708#(<= ULTIMATE.start_main_~k~5 142), 117711#(<= ULTIMATE.start_main_~k~5 145), 117710#(<= ULTIMATE.start_main_~k~5 144), 117713#(<= ULTIMATE.start_main_~k~5 147), 117712#(<= ULTIMATE.start_main_~k~5 146), 117715#(<= ULTIMATE.start_main_~k~5 149), 117714#(<= ULTIMATE.start_main_~k~5 148), 117717#(<= ULTIMATE.start_main_~k~5 151), 117716#(<= ULTIMATE.start_main_~k~5 150), 117719#(<= ULTIMATE.start_main_~k~5 153), 117718#(<= ULTIMATE.start_main_~k~5 152), 117721#(<= ULTIMATE.start_main_~k~5 155), 117720#(<= ULTIMATE.start_main_~k~5 154), 117723#(<= ULTIMATE.start_main_~k~5 157), 117722#(<= ULTIMATE.start_main_~k~5 156), 117725#(<= ULTIMATE.start_main_~k~5 159), 117724#(<= ULTIMATE.start_main_~k~5 158), 117727#(<= ULTIMATE.start_main_~k~5 161), 117726#(<= ULTIMATE.start_main_~k~5 160), 117729#(<= ULTIMATE.start_main_~k~5 163), 117728#(<= ULTIMATE.start_main_~k~5 162), 117731#(<= ULTIMATE.start_main_~k~5 165), 117730#(<= ULTIMATE.start_main_~k~5 164), 117733#(<= ULTIMATE.start_main_~k~5 167), 117732#(<= ULTIMATE.start_main_~k~5 166), 117735#(<= ULTIMATE.start_main_~k~5 169), 117734#(<= ULTIMATE.start_main_~k~5 168), 117737#(<= ULTIMATE.start_main_~k~5 171), 117736#(<= ULTIMATE.start_main_~k~5 170), 117739#(<= ULTIMATE.start_main_~k~5 173), 117738#(<= ULTIMATE.start_main_~k~5 172), 117741#(<= ULTIMATE.start_main_~k~5 175), 117740#(<= ULTIMATE.start_main_~k~5 174), 117743#(<= ULTIMATE.start_main_~k~5 177), 117742#(<= ULTIMATE.start_main_~k~5 176), 117745#(<= ULTIMATE.start_main_~k~5 179), 117744#(<= ULTIMATE.start_main_~k~5 178), 117747#(<= ULTIMATE.start_main_~k~5 181), 117746#(<= ULTIMATE.start_main_~k~5 180), 117749#(<= ULTIMATE.start_main_~k~5 183), 117748#(<= ULTIMATE.start_main_~k~5 182), 117751#(<= ULTIMATE.start_main_~k~5 185), 117750#(<= ULTIMATE.start_main_~k~5 184), 117753#(<= ULTIMATE.start_main_~k~5 187), 117752#(<= ULTIMATE.start_main_~k~5 186), 117755#(<= ULTIMATE.start_main_~k~5 189), 117754#(<= ULTIMATE.start_main_~k~5 188), 117757#(<= ULTIMATE.start_main_~k~5 191), 117756#(<= ULTIMATE.start_main_~k~5 190), 117759#(<= ULTIMATE.start_main_~k~5 193), 117758#(<= ULTIMATE.start_main_~k~5 192)] [2018-07-23 13:43:11,695 INFO L134 CoverageAnalysis]: Checked inductivity of 22578 backedges. 0 proven. 22578 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2018-07-23 13:43:11,695 INFO L450 AbstractCegarLoop]: Interpolant automaton has 215 states [2018-07-23 13:43:11,698 INFO L132 InterpolantAutomaton]: Constructing interpolant automaton starting with 215 interpolants. [2018-07-23 13:43:11,700 INFO L133 InterpolantAutomaton]: CoverageRelationStatistics Valid=23005, Invalid=23005, Unknown=0, NotChecked=0, Total=46010 [2018-07-23 13:43:11,700 INFO L87 Difference]: Start difference. First operand 216 states and 216 transitions. Second operand 215 states. [2018-07-23 13:43:12,643 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2018-07-23 13:43:12,643 INFO L93 Difference]: Finished difference Result 219 states and 219 transitions. [2018-07-23 13:43:12,643 INFO L142 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 215 states. [2018-07-23 13:43:12,643 INFO L78 Accepts]: Start accepts. Automaton has 215 states. Word has length 215 [2018-07-23 13:43:12,644 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2018-07-23 13:43:12,644 INFO L225 Difference]: With dead ends: 219 [2018-07-23 13:43:12,644 INFO L226 Difference]: Without dead ends: 217 [2018-07-23 13:43:12,646 INFO L575 BasicCegarLoop]: 0 DeclaredPredicates, 214 GetRequests, 1 SyntacticMatches, 0 SemanticMatches, 213 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 0 ImplicationChecksByTransitivity, 0.9s TimeCoverageRelationStatistics Valid=23005, Invalid=23005, Unknown=0, NotChecked=0, Total=46010 [2018-07-23 13:43:12,646 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 217 states. [2018-07-23 13:43:12,648 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 217 to 217. [2018-07-23 13:43:12,648 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 217 states. [2018-07-23 13:43:12,649 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 217 states to 217 states and 217 transitions. [2018-07-23 13:43:12,649 INFO L78 Accepts]: Start accepts. Automaton has 217 states and 217 transitions. Word has length 215 [2018-07-23 13:43:12,649 INFO L84 Accepts]: Finished accepts. word is rejected. [2018-07-23 13:43:12,649 INFO L471 AbstractCegarLoop]: Abstraction has 217 states and 217 transitions. [2018-07-23 13:43:12,649 INFO L472 AbstractCegarLoop]: Interpolant automaton has 215 states. [2018-07-23 13:43:12,649 INFO L276 IsEmpty]: Start isEmpty. Operand 217 states and 217 transitions. [2018-07-23 13:43:12,650 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 217 [2018-07-23 13:43:12,650 INFO L349 BasicCegarLoop]: Found error trace [2018-07-23 13:43:12,650 INFO L357 BasicCegarLoop]: trace histogram [213, 1, 1, 1] [2018-07-23 13:43:12,650 INFO L414 AbstractCegarLoop]: === Iteration 214 === [ULTIMATE.startErr0AssertViolationASSERT]=== [2018-07-23 13:43:12,651 INFO L82 PathProgramCache]: Analyzing trace with hash -1959893400, now seen corresponding path program 213 times [2018-07-23 13:43:12,651 INFO L69 tionRefinementEngine]: Using refinement strategy FixedRefinementStrategy [2018-07-23 13:43:12,754 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-07-23 13:43:13,874 INFO L134 CoverageAnalysis]: Checked inductivity of 22791 backedges. 0 proven. 22791 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2018-07-23 13:43:13,874 INFO L309 seRefinementStrategy]: Constructing automaton from 0 perfect and 1 imperfect interpolant sequences. [2018-07-23 13:43:13,874 INFO L324 seRefinementStrategy]: Number of different interpolants: perfect sequences [] imperfect sequences [215] total 215 [2018-07-23 13:43:13,874 INFO L142 lantAutomatonBuilder]: Constructing canonical interpolant automaton, with selfloop in false state [2018-07-23 13:43:13,874 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2018-07-23 13:43:13,875 INFO L185 omatonBuilderFactory]: Interpolants [118785#(<= ULTIMATE.start_main_~k~5 132), 118784#(<= ULTIMATE.start_main_~k~5 131), 118787#(<= ULTIMATE.start_main_~k~5 134), 118786#(<= ULTIMATE.start_main_~k~5 133), 118789#(<= ULTIMATE.start_main_~k~5 136), 118788#(<= ULTIMATE.start_main_~k~5 135), 118791#(<= ULTIMATE.start_main_~k~5 138), 118790#(<= ULTIMATE.start_main_~k~5 137), 118793#(<= ULTIMATE.start_main_~k~5 140), 118792#(<= ULTIMATE.start_main_~k~5 139), 118795#(<= ULTIMATE.start_main_~k~5 142), 118794#(<= ULTIMATE.start_main_~k~5 141), 118797#(<= ULTIMATE.start_main_~k~5 144), 118796#(<= ULTIMATE.start_main_~k~5 143), 118799#(<= ULTIMATE.start_main_~k~5 146), 118798#(<= ULTIMATE.start_main_~k~5 145), 118801#(<= ULTIMATE.start_main_~k~5 148), 118800#(<= ULTIMATE.start_main_~k~5 147), 118803#(<= ULTIMATE.start_main_~k~5 150), 118802#(<= ULTIMATE.start_main_~k~5 149), 118805#(<= ULTIMATE.start_main_~k~5 152), 118804#(<= ULTIMATE.start_main_~k~5 151), 118807#(<= ULTIMATE.start_main_~k~5 154), 118806#(<= ULTIMATE.start_main_~k~5 153), 118809#(<= ULTIMATE.start_main_~k~5 156), 118808#(<= ULTIMATE.start_main_~k~5 155), 118811#(<= ULTIMATE.start_main_~k~5 158), 118810#(<= ULTIMATE.start_main_~k~5 157), 118813#(<= ULTIMATE.start_main_~k~5 160), 118812#(<= ULTIMATE.start_main_~k~5 159), 118815#(<= ULTIMATE.start_main_~k~5 162), 118814#(<= ULTIMATE.start_main_~k~5 161), 118817#(<= ULTIMATE.start_main_~k~5 164), 118816#(<= ULTIMATE.start_main_~k~5 163), 118819#(<= ULTIMATE.start_main_~k~5 166), 118818#(<= ULTIMATE.start_main_~k~5 165), 118821#(<= ULTIMATE.start_main_~k~5 168), 118820#(<= ULTIMATE.start_main_~k~5 167), 118823#(<= ULTIMATE.start_main_~k~5 170), 118822#(<= ULTIMATE.start_main_~k~5 169), 118825#(<= ULTIMATE.start_main_~k~5 172), 118824#(<= ULTIMATE.start_main_~k~5 171), 118827#(<= ULTIMATE.start_main_~k~5 174), 118826#(<= ULTIMATE.start_main_~k~5 173), 118829#(<= ULTIMATE.start_main_~k~5 176), 118828#(<= ULTIMATE.start_main_~k~5 175), 118831#(<= ULTIMATE.start_main_~k~5 178), 118830#(<= ULTIMATE.start_main_~k~5 177), 118833#(<= ULTIMATE.start_main_~k~5 180), 118832#(<= ULTIMATE.start_main_~k~5 179), 118835#(<= ULTIMATE.start_main_~k~5 182), 118834#(<= ULTIMATE.start_main_~k~5 181), 118837#(<= ULTIMATE.start_main_~k~5 184), 118836#(<= ULTIMATE.start_main_~k~5 183), 118839#(<= ULTIMATE.start_main_~k~5 186), 118838#(<= ULTIMATE.start_main_~k~5 185), 118841#(<= ULTIMATE.start_main_~k~5 188), 118840#(<= ULTIMATE.start_main_~k~5 187), 118843#(<= ULTIMATE.start_main_~k~5 190), 118842#(<= ULTIMATE.start_main_~k~5 189), 118845#(<= ULTIMATE.start_main_~k~5 192), 118844#(<= ULTIMATE.start_main_~k~5 191), 118847#(<= ULTIMATE.start_main_~k~5 194), 118846#(<= ULTIMATE.start_main_~k~5 193), 118849#(<= ULTIMATE.start_main_~k~5 196), 118848#(<= ULTIMATE.start_main_~k~5 195), 118851#(<= ULTIMATE.start_main_~k~5 198), 118850#(<= ULTIMATE.start_main_~k~5 197), 118853#(<= ULTIMATE.start_main_~k~5 200), 118852#(<= ULTIMATE.start_main_~k~5 199), 118855#(<= ULTIMATE.start_main_~k~5 202), 118854#(<= ULTIMATE.start_main_~k~5 201), 118857#(<= ULTIMATE.start_main_~k~5 204), 118856#(<= ULTIMATE.start_main_~k~5 203), 118859#(<= ULTIMATE.start_main_~k~5 206), 118858#(<= ULTIMATE.start_main_~k~5 205), 118861#(<= ULTIMATE.start_main_~k~5 208), 118860#(<= ULTIMATE.start_main_~k~5 207), 118863#(<= ULTIMATE.start_main_~k~5 210), 118862#(<= ULTIMATE.start_main_~k~5 209), 118865#(<= ULTIMATE.start_main_~k~5 212), 118864#(<= ULTIMATE.start_main_~k~5 211), 118866#(<= ULTIMATE.start_main_~k~5 213), 118651#true, 118653#(<= ULTIMATE.start_main_~k~5 0), 118652#false, 118655#(<= ULTIMATE.start_main_~k~5 2), 118654#(<= ULTIMATE.start_main_~k~5 1), 118657#(<= ULTIMATE.start_main_~k~5 4), 118656#(<= ULTIMATE.start_main_~k~5 3), 118659#(<= ULTIMATE.start_main_~k~5 6), 118658#(<= ULTIMATE.start_main_~k~5 5), 118661#(<= ULTIMATE.start_main_~k~5 8), 118660#(<= ULTIMATE.start_main_~k~5 7), 118663#(<= ULTIMATE.start_main_~k~5 10), 118662#(<= ULTIMATE.start_main_~k~5 9), 118665#(<= ULTIMATE.start_main_~k~5 12), 118664#(<= ULTIMATE.start_main_~k~5 11), 118667#(<= ULTIMATE.start_main_~k~5 14), 118666#(<= ULTIMATE.start_main_~k~5 13), 118669#(<= ULTIMATE.start_main_~k~5 16), 118668#(<= ULTIMATE.start_main_~k~5 15), 118671#(<= ULTIMATE.start_main_~k~5 18), 118670#(<= ULTIMATE.start_main_~k~5 17), 118673#(<= ULTIMATE.start_main_~k~5 20), 118672#(<= ULTIMATE.start_main_~k~5 19), 118675#(<= ULTIMATE.start_main_~k~5 22), 118674#(<= ULTIMATE.start_main_~k~5 21), 118677#(<= ULTIMATE.start_main_~k~5 24), 118676#(<= ULTIMATE.start_main_~k~5 23), 118679#(<= ULTIMATE.start_main_~k~5 26), 118678#(<= ULTIMATE.start_main_~k~5 25), 118681#(<= ULTIMATE.start_main_~k~5 28), 118680#(<= ULTIMATE.start_main_~k~5 27), 118683#(<= ULTIMATE.start_main_~k~5 30), 118682#(<= ULTIMATE.start_main_~k~5 29), 118685#(<= ULTIMATE.start_main_~k~5 32), 118684#(<= ULTIMATE.start_main_~k~5 31), 118687#(<= ULTIMATE.start_main_~k~5 34), 118686#(<= ULTIMATE.start_main_~k~5 33), 118689#(<= ULTIMATE.start_main_~k~5 36), 118688#(<= ULTIMATE.start_main_~k~5 35), 118691#(<= ULTIMATE.start_main_~k~5 38), 118690#(<= ULTIMATE.start_main_~k~5 37), 118693#(<= ULTIMATE.start_main_~k~5 40), 118692#(<= ULTIMATE.start_main_~k~5 39), 118695#(<= ULTIMATE.start_main_~k~5 42), 118694#(<= ULTIMATE.start_main_~k~5 41), 118697#(<= ULTIMATE.start_main_~k~5 44), 118696#(<= ULTIMATE.start_main_~k~5 43), 118699#(<= ULTIMATE.start_main_~k~5 46), 118698#(<= ULTIMATE.start_main_~k~5 45), 118701#(<= ULTIMATE.start_main_~k~5 48), 118700#(<= ULTIMATE.start_main_~k~5 47), 118703#(<= ULTIMATE.start_main_~k~5 50), 118702#(<= ULTIMATE.start_main_~k~5 49), 118705#(<= ULTIMATE.start_main_~k~5 52), 118704#(<= ULTIMATE.start_main_~k~5 51), 118707#(<= ULTIMATE.start_main_~k~5 54), 118706#(<= ULTIMATE.start_main_~k~5 53), 118709#(<= ULTIMATE.start_main_~k~5 56), 118708#(<= ULTIMATE.start_main_~k~5 55), 118711#(<= ULTIMATE.start_main_~k~5 58), 118710#(<= ULTIMATE.start_main_~k~5 57), 118713#(<= ULTIMATE.start_main_~k~5 60), 118712#(<= ULTIMATE.start_main_~k~5 59), 118715#(<= ULTIMATE.start_main_~k~5 62), 118714#(<= ULTIMATE.start_main_~k~5 61), 118717#(<= ULTIMATE.start_main_~k~5 64), 118716#(<= ULTIMATE.start_main_~k~5 63), 118719#(<= ULTIMATE.start_main_~k~5 66), 118718#(<= ULTIMATE.start_main_~k~5 65), 118721#(<= ULTIMATE.start_main_~k~5 68), 118720#(<= ULTIMATE.start_main_~k~5 67), 118723#(<= ULTIMATE.start_main_~k~5 70), 118722#(<= ULTIMATE.start_main_~k~5 69), 118725#(<= ULTIMATE.start_main_~k~5 72), 118724#(<= ULTIMATE.start_main_~k~5 71), 118727#(<= ULTIMATE.start_main_~k~5 74), 118726#(<= ULTIMATE.start_main_~k~5 73), 118729#(<= ULTIMATE.start_main_~k~5 76), 118728#(<= ULTIMATE.start_main_~k~5 75), 118731#(<= ULTIMATE.start_main_~k~5 78), 118730#(<= ULTIMATE.start_main_~k~5 77), 118733#(<= ULTIMATE.start_main_~k~5 80), 118732#(<= ULTIMATE.start_main_~k~5 79), 118735#(<= ULTIMATE.start_main_~k~5 82), 118734#(<= ULTIMATE.start_main_~k~5 81), 118737#(<= ULTIMATE.start_main_~k~5 84), 118736#(<= ULTIMATE.start_main_~k~5 83), 118739#(<= ULTIMATE.start_main_~k~5 86), 118738#(<= ULTIMATE.start_main_~k~5 85), 118741#(<= ULTIMATE.start_main_~k~5 88), 118740#(<= ULTIMATE.start_main_~k~5 87), 118743#(<= ULTIMATE.start_main_~k~5 90), 118742#(<= ULTIMATE.start_main_~k~5 89), 118745#(<= ULTIMATE.start_main_~k~5 92), 118744#(<= ULTIMATE.start_main_~k~5 91), 118747#(<= ULTIMATE.start_main_~k~5 94), 118746#(<= ULTIMATE.start_main_~k~5 93), 118749#(<= ULTIMATE.start_main_~k~5 96), 118748#(<= ULTIMATE.start_main_~k~5 95), 118751#(<= ULTIMATE.start_main_~k~5 98), 118750#(<= ULTIMATE.start_main_~k~5 97), 118753#(<= ULTIMATE.start_main_~k~5 100), 118752#(<= ULTIMATE.start_main_~k~5 99), 118755#(<= ULTIMATE.start_main_~k~5 102), 118754#(<= ULTIMATE.start_main_~k~5 101), 118757#(<= ULTIMATE.start_main_~k~5 104), 118756#(<= ULTIMATE.start_main_~k~5 103), 118759#(<= ULTIMATE.start_main_~k~5 106), 118758#(<= ULTIMATE.start_main_~k~5 105), 118761#(<= ULTIMATE.start_main_~k~5 108), 118760#(<= ULTIMATE.start_main_~k~5 107), 118763#(<= ULTIMATE.start_main_~k~5 110), 118762#(<= ULTIMATE.start_main_~k~5 109), 118765#(<= ULTIMATE.start_main_~k~5 112), 118764#(<= ULTIMATE.start_main_~k~5 111), 118767#(<= ULTIMATE.start_main_~k~5 114), 118766#(<= ULTIMATE.start_main_~k~5 113), 118769#(<= ULTIMATE.start_main_~k~5 116), 118768#(<= ULTIMATE.start_main_~k~5 115), 118771#(<= ULTIMATE.start_main_~k~5 118), 118770#(<= ULTIMATE.start_main_~k~5 117), 118773#(<= ULTIMATE.start_main_~k~5 120), 118772#(<= ULTIMATE.start_main_~k~5 119), 118775#(<= ULTIMATE.start_main_~k~5 122), 118774#(<= ULTIMATE.start_main_~k~5 121), 118777#(<= ULTIMATE.start_main_~k~5 124), 118776#(<= ULTIMATE.start_main_~k~5 123), 118779#(<= ULTIMATE.start_main_~k~5 126), 118778#(<= ULTIMATE.start_main_~k~5 125), 118781#(<= ULTIMATE.start_main_~k~5 128), 118780#(<= ULTIMATE.start_main_~k~5 127), 118783#(<= ULTIMATE.start_main_~k~5 130), 118782#(<= ULTIMATE.start_main_~k~5 129)] [2018-07-23 13:43:13,876 INFO L134 CoverageAnalysis]: Checked inductivity of 22791 backedges. 0 proven. 22791 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2018-07-23 13:43:13,876 INFO L450 AbstractCegarLoop]: Interpolant automaton has 216 states [2018-07-23 13:43:13,879 INFO L132 InterpolantAutomaton]: Constructing interpolant automaton starting with 216 interpolants. [2018-07-23 13:43:13,880 INFO L133 InterpolantAutomaton]: CoverageRelationStatistics Valid=23220, Invalid=23220, Unknown=0, NotChecked=0, Total=46440 [2018-07-23 13:43:13,880 INFO L87 Difference]: Start difference. First operand 217 states and 217 transitions. Second operand 216 states. [2018-07-23 13:43:14,261 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2018-07-23 13:43:14,261 INFO L93 Difference]: Finished difference Result 220 states and 220 transitions. [2018-07-23 13:43:14,261 INFO L142 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 216 states. [2018-07-23 13:43:14,261 INFO L78 Accepts]: Start accepts. Automaton has 216 states. Word has length 216 [2018-07-23 13:43:14,262 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2018-07-23 13:43:14,262 INFO L225 Difference]: With dead ends: 220 [2018-07-23 13:43:14,262 INFO L226 Difference]: Without dead ends: 218 [2018-07-23 13:43:14,264 INFO L575 BasicCegarLoop]: 0 DeclaredPredicates, 215 GetRequests, 1 SyntacticMatches, 0 SemanticMatches, 214 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 0 ImplicationChecksByTransitivity, 0.9s TimeCoverageRelationStatistics Valid=23220, Invalid=23220, Unknown=0, NotChecked=0, Total=46440 [2018-07-23 13:43:14,264 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 218 states. [2018-07-23 13:43:14,266 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 218 to 218. [2018-07-23 13:43:14,266 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 218 states. [2018-07-23 13:43:14,266 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 218 states to 218 states and 218 transitions. [2018-07-23 13:43:14,267 INFO L78 Accepts]: Start accepts. Automaton has 218 states and 218 transitions. Word has length 216 [2018-07-23 13:43:14,267 INFO L84 Accepts]: Finished accepts. word is rejected. [2018-07-23 13:43:14,267 INFO L471 AbstractCegarLoop]: Abstraction has 218 states and 218 transitions. [2018-07-23 13:43:14,267 INFO L472 AbstractCegarLoop]: Interpolant automaton has 216 states. [2018-07-23 13:43:14,267 INFO L276 IsEmpty]: Start isEmpty. Operand 218 states and 218 transitions. [2018-07-23 13:43:14,267 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 218 [2018-07-23 13:43:14,267 INFO L349 BasicCegarLoop]: Found error trace [2018-07-23 13:43:14,267 INFO L357 BasicCegarLoop]: trace histogram [214, 1, 1, 1] [2018-07-23 13:43:14,268 INFO L414 AbstractCegarLoop]: === Iteration 215 === [ULTIMATE.startErr0AssertViolationASSERT]=== [2018-07-23 13:43:14,268 INFO L82 PathProgramCache]: Analyzing trace with hash -627155231, now seen corresponding path program 214 times [2018-07-23 13:43:14,268 INFO L69 tionRefinementEngine]: Using refinement strategy FixedRefinementStrategy [2018-07-23 13:43:14,370 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-07-23 13:43:15,488 INFO L134 CoverageAnalysis]: Checked inductivity of 23005 backedges. 0 proven. 23005 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2018-07-23 13:43:15,488 INFO L309 seRefinementStrategy]: Constructing automaton from 0 perfect and 1 imperfect interpolant sequences. [2018-07-23 13:43:15,488 INFO L324 seRefinementStrategy]: Number of different interpolants: perfect sequences [] imperfect sequences [216] total 216 [2018-07-23 13:43:15,488 INFO L142 lantAutomatonBuilder]: Constructing canonical interpolant automaton, with selfloop in false state [2018-07-23 13:43:15,489 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2018-07-23 13:43:15,489 INFO L185 omatonBuilderFactory]: Interpolants [119809#(<= ULTIMATE.start_main_~k~5 64), 119808#(<= ULTIMATE.start_main_~k~5 63), 119811#(<= ULTIMATE.start_main_~k~5 66), 119810#(<= ULTIMATE.start_main_~k~5 65), 119813#(<= ULTIMATE.start_main_~k~5 68), 119812#(<= ULTIMATE.start_main_~k~5 67), 119815#(<= ULTIMATE.start_main_~k~5 70), 119814#(<= ULTIMATE.start_main_~k~5 69), 119817#(<= ULTIMATE.start_main_~k~5 72), 119816#(<= ULTIMATE.start_main_~k~5 71), 119819#(<= ULTIMATE.start_main_~k~5 74), 119818#(<= ULTIMATE.start_main_~k~5 73), 119821#(<= ULTIMATE.start_main_~k~5 76), 119820#(<= ULTIMATE.start_main_~k~5 75), 119823#(<= ULTIMATE.start_main_~k~5 78), 119822#(<= ULTIMATE.start_main_~k~5 77), 119825#(<= ULTIMATE.start_main_~k~5 80), 119824#(<= ULTIMATE.start_main_~k~5 79), 119827#(<= ULTIMATE.start_main_~k~5 82), 119826#(<= ULTIMATE.start_main_~k~5 81), 119829#(<= ULTIMATE.start_main_~k~5 84), 119828#(<= ULTIMATE.start_main_~k~5 83), 119831#(<= ULTIMATE.start_main_~k~5 86), 119830#(<= ULTIMATE.start_main_~k~5 85), 119833#(<= ULTIMATE.start_main_~k~5 88), 119832#(<= ULTIMATE.start_main_~k~5 87), 119835#(<= ULTIMATE.start_main_~k~5 90), 119834#(<= ULTIMATE.start_main_~k~5 89), 119837#(<= ULTIMATE.start_main_~k~5 92), 119836#(<= ULTIMATE.start_main_~k~5 91), 119839#(<= ULTIMATE.start_main_~k~5 94), 119838#(<= ULTIMATE.start_main_~k~5 93), 119841#(<= ULTIMATE.start_main_~k~5 96), 119840#(<= ULTIMATE.start_main_~k~5 95), 119843#(<= ULTIMATE.start_main_~k~5 98), 119842#(<= ULTIMATE.start_main_~k~5 97), 119845#(<= ULTIMATE.start_main_~k~5 100), 119844#(<= ULTIMATE.start_main_~k~5 99), 119847#(<= ULTIMATE.start_main_~k~5 102), 119846#(<= ULTIMATE.start_main_~k~5 101), 119849#(<= ULTIMATE.start_main_~k~5 104), 119848#(<= ULTIMATE.start_main_~k~5 103), 119851#(<= ULTIMATE.start_main_~k~5 106), 119850#(<= ULTIMATE.start_main_~k~5 105), 119853#(<= ULTIMATE.start_main_~k~5 108), 119852#(<= ULTIMATE.start_main_~k~5 107), 119855#(<= ULTIMATE.start_main_~k~5 110), 119854#(<= ULTIMATE.start_main_~k~5 109), 119857#(<= ULTIMATE.start_main_~k~5 112), 119856#(<= ULTIMATE.start_main_~k~5 111), 119859#(<= ULTIMATE.start_main_~k~5 114), 119858#(<= ULTIMATE.start_main_~k~5 113), 119861#(<= ULTIMATE.start_main_~k~5 116), 119860#(<= ULTIMATE.start_main_~k~5 115), 119863#(<= ULTIMATE.start_main_~k~5 118), 119862#(<= ULTIMATE.start_main_~k~5 117), 119865#(<= ULTIMATE.start_main_~k~5 120), 119864#(<= ULTIMATE.start_main_~k~5 119), 119867#(<= ULTIMATE.start_main_~k~5 122), 119866#(<= ULTIMATE.start_main_~k~5 121), 119869#(<= ULTIMATE.start_main_~k~5 124), 119868#(<= ULTIMATE.start_main_~k~5 123), 119871#(<= ULTIMATE.start_main_~k~5 126), 119870#(<= ULTIMATE.start_main_~k~5 125), 119873#(<= ULTIMATE.start_main_~k~5 128), 119872#(<= ULTIMATE.start_main_~k~5 127), 119875#(<= ULTIMATE.start_main_~k~5 130), 119874#(<= ULTIMATE.start_main_~k~5 129), 119877#(<= ULTIMATE.start_main_~k~5 132), 119876#(<= ULTIMATE.start_main_~k~5 131), 119879#(<= ULTIMATE.start_main_~k~5 134), 119878#(<= ULTIMATE.start_main_~k~5 133), 119881#(<= ULTIMATE.start_main_~k~5 136), 119880#(<= ULTIMATE.start_main_~k~5 135), 119883#(<= ULTIMATE.start_main_~k~5 138), 119882#(<= ULTIMATE.start_main_~k~5 137), 119885#(<= ULTIMATE.start_main_~k~5 140), 119884#(<= ULTIMATE.start_main_~k~5 139), 119887#(<= ULTIMATE.start_main_~k~5 142), 119886#(<= ULTIMATE.start_main_~k~5 141), 119889#(<= ULTIMATE.start_main_~k~5 144), 119888#(<= ULTIMATE.start_main_~k~5 143), 119891#(<= ULTIMATE.start_main_~k~5 146), 119890#(<= ULTIMATE.start_main_~k~5 145), 119893#(<= ULTIMATE.start_main_~k~5 148), 119892#(<= ULTIMATE.start_main_~k~5 147), 119895#(<= ULTIMATE.start_main_~k~5 150), 119894#(<= ULTIMATE.start_main_~k~5 149), 119897#(<= ULTIMATE.start_main_~k~5 152), 119896#(<= ULTIMATE.start_main_~k~5 151), 119899#(<= ULTIMATE.start_main_~k~5 154), 119898#(<= ULTIMATE.start_main_~k~5 153), 119901#(<= ULTIMATE.start_main_~k~5 156), 119900#(<= ULTIMATE.start_main_~k~5 155), 119903#(<= ULTIMATE.start_main_~k~5 158), 119902#(<= ULTIMATE.start_main_~k~5 157), 119905#(<= ULTIMATE.start_main_~k~5 160), 119904#(<= ULTIMATE.start_main_~k~5 159), 119907#(<= ULTIMATE.start_main_~k~5 162), 119906#(<= ULTIMATE.start_main_~k~5 161), 119909#(<= ULTIMATE.start_main_~k~5 164), 119908#(<= ULTIMATE.start_main_~k~5 163), 119911#(<= ULTIMATE.start_main_~k~5 166), 119910#(<= ULTIMATE.start_main_~k~5 165), 119913#(<= ULTIMATE.start_main_~k~5 168), 119912#(<= ULTIMATE.start_main_~k~5 167), 119915#(<= ULTIMATE.start_main_~k~5 170), 119914#(<= ULTIMATE.start_main_~k~5 169), 119917#(<= ULTIMATE.start_main_~k~5 172), 119916#(<= ULTIMATE.start_main_~k~5 171), 119919#(<= ULTIMATE.start_main_~k~5 174), 119918#(<= ULTIMATE.start_main_~k~5 173), 119921#(<= ULTIMATE.start_main_~k~5 176), 119920#(<= ULTIMATE.start_main_~k~5 175), 119923#(<= ULTIMATE.start_main_~k~5 178), 119922#(<= ULTIMATE.start_main_~k~5 177), 119925#(<= ULTIMATE.start_main_~k~5 180), 119924#(<= ULTIMATE.start_main_~k~5 179), 119927#(<= ULTIMATE.start_main_~k~5 182), 119926#(<= ULTIMATE.start_main_~k~5 181), 119929#(<= ULTIMATE.start_main_~k~5 184), 119928#(<= ULTIMATE.start_main_~k~5 183), 119931#(<= ULTIMATE.start_main_~k~5 186), 119930#(<= ULTIMATE.start_main_~k~5 185), 119933#(<= ULTIMATE.start_main_~k~5 188), 119932#(<= ULTIMATE.start_main_~k~5 187), 119935#(<= ULTIMATE.start_main_~k~5 190), 119934#(<= ULTIMATE.start_main_~k~5 189), 119937#(<= ULTIMATE.start_main_~k~5 192), 119936#(<= ULTIMATE.start_main_~k~5 191), 119939#(<= ULTIMATE.start_main_~k~5 194), 119938#(<= ULTIMATE.start_main_~k~5 193), 119941#(<= ULTIMATE.start_main_~k~5 196), 119940#(<= ULTIMATE.start_main_~k~5 195), 119943#(<= ULTIMATE.start_main_~k~5 198), 119942#(<= ULTIMATE.start_main_~k~5 197), 119945#(<= ULTIMATE.start_main_~k~5 200), 119944#(<= ULTIMATE.start_main_~k~5 199), 119947#(<= ULTIMATE.start_main_~k~5 202), 119946#(<= ULTIMATE.start_main_~k~5 201), 119949#(<= ULTIMATE.start_main_~k~5 204), 119948#(<= ULTIMATE.start_main_~k~5 203), 119951#(<= ULTIMATE.start_main_~k~5 206), 119950#(<= ULTIMATE.start_main_~k~5 205), 119953#(<= ULTIMATE.start_main_~k~5 208), 119952#(<= ULTIMATE.start_main_~k~5 207), 119955#(<= ULTIMATE.start_main_~k~5 210), 119954#(<= ULTIMATE.start_main_~k~5 209), 119957#(<= ULTIMATE.start_main_~k~5 212), 119956#(<= ULTIMATE.start_main_~k~5 211), 119959#(<= ULTIMATE.start_main_~k~5 214), 119958#(<= ULTIMATE.start_main_~k~5 213), 119743#true, 119745#(<= ULTIMATE.start_main_~k~5 0), 119744#false, 119747#(<= ULTIMATE.start_main_~k~5 2), 119746#(<= ULTIMATE.start_main_~k~5 1), 119749#(<= ULTIMATE.start_main_~k~5 4), 119748#(<= ULTIMATE.start_main_~k~5 3), 119751#(<= ULTIMATE.start_main_~k~5 6), 119750#(<= ULTIMATE.start_main_~k~5 5), 119753#(<= ULTIMATE.start_main_~k~5 8), 119752#(<= ULTIMATE.start_main_~k~5 7), 119755#(<= ULTIMATE.start_main_~k~5 10), 119754#(<= ULTIMATE.start_main_~k~5 9), 119757#(<= ULTIMATE.start_main_~k~5 12), 119756#(<= ULTIMATE.start_main_~k~5 11), 119759#(<= ULTIMATE.start_main_~k~5 14), 119758#(<= ULTIMATE.start_main_~k~5 13), 119761#(<= ULTIMATE.start_main_~k~5 16), 119760#(<= ULTIMATE.start_main_~k~5 15), 119763#(<= ULTIMATE.start_main_~k~5 18), 119762#(<= ULTIMATE.start_main_~k~5 17), 119765#(<= ULTIMATE.start_main_~k~5 20), 119764#(<= ULTIMATE.start_main_~k~5 19), 119767#(<= ULTIMATE.start_main_~k~5 22), 119766#(<= ULTIMATE.start_main_~k~5 21), 119769#(<= ULTIMATE.start_main_~k~5 24), 119768#(<= ULTIMATE.start_main_~k~5 23), 119771#(<= ULTIMATE.start_main_~k~5 26), 119770#(<= ULTIMATE.start_main_~k~5 25), 119773#(<= ULTIMATE.start_main_~k~5 28), 119772#(<= ULTIMATE.start_main_~k~5 27), 119775#(<= ULTIMATE.start_main_~k~5 30), 119774#(<= ULTIMATE.start_main_~k~5 29), 119777#(<= ULTIMATE.start_main_~k~5 32), 119776#(<= ULTIMATE.start_main_~k~5 31), 119779#(<= ULTIMATE.start_main_~k~5 34), 119778#(<= ULTIMATE.start_main_~k~5 33), 119781#(<= ULTIMATE.start_main_~k~5 36), 119780#(<= ULTIMATE.start_main_~k~5 35), 119783#(<= ULTIMATE.start_main_~k~5 38), 119782#(<= ULTIMATE.start_main_~k~5 37), 119785#(<= ULTIMATE.start_main_~k~5 40), 119784#(<= ULTIMATE.start_main_~k~5 39), 119787#(<= ULTIMATE.start_main_~k~5 42), 119786#(<= ULTIMATE.start_main_~k~5 41), 119789#(<= ULTIMATE.start_main_~k~5 44), 119788#(<= ULTIMATE.start_main_~k~5 43), 119791#(<= ULTIMATE.start_main_~k~5 46), 119790#(<= ULTIMATE.start_main_~k~5 45), 119793#(<= ULTIMATE.start_main_~k~5 48), 119792#(<= ULTIMATE.start_main_~k~5 47), 119795#(<= ULTIMATE.start_main_~k~5 50), 119794#(<= ULTIMATE.start_main_~k~5 49), 119797#(<= ULTIMATE.start_main_~k~5 52), 119796#(<= ULTIMATE.start_main_~k~5 51), 119799#(<= ULTIMATE.start_main_~k~5 54), 119798#(<= ULTIMATE.start_main_~k~5 53), 119801#(<= ULTIMATE.start_main_~k~5 56), 119800#(<= ULTIMATE.start_main_~k~5 55), 119803#(<= ULTIMATE.start_main_~k~5 58), 119802#(<= ULTIMATE.start_main_~k~5 57), 119805#(<= ULTIMATE.start_main_~k~5 60), 119804#(<= ULTIMATE.start_main_~k~5 59), 119807#(<= ULTIMATE.start_main_~k~5 62), 119806#(<= ULTIMATE.start_main_~k~5 61)] [2018-07-23 13:43:15,490 INFO L134 CoverageAnalysis]: Checked inductivity of 23005 backedges. 0 proven. 23005 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2018-07-23 13:43:15,490 INFO L450 AbstractCegarLoop]: Interpolant automaton has 217 states [2018-07-23 13:43:15,493 INFO L132 InterpolantAutomaton]: Constructing interpolant automaton starting with 217 interpolants. [2018-07-23 13:43:15,495 INFO L133 InterpolantAutomaton]: CoverageRelationStatistics Valid=23436, Invalid=23436, Unknown=0, NotChecked=0, Total=46872 [2018-07-23 13:43:15,495 INFO L87 Difference]: Start difference. First operand 218 states and 218 transitions. Second operand 217 states. [2018-07-23 13:43:16,232 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2018-07-23 13:43:16,232 INFO L93 Difference]: Finished difference Result 221 states and 221 transitions. [2018-07-23 13:43:16,232 INFO L142 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 217 states. [2018-07-23 13:43:16,232 INFO L78 Accepts]: Start accepts. Automaton has 217 states. Word has length 217 [2018-07-23 13:43:16,233 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2018-07-23 13:43:16,233 INFO L225 Difference]: With dead ends: 221 [2018-07-23 13:43:16,233 INFO L226 Difference]: Without dead ends: 219 [2018-07-23 13:43:16,235 INFO L575 BasicCegarLoop]: 0 DeclaredPredicates, 216 GetRequests, 1 SyntacticMatches, 0 SemanticMatches, 215 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 0 ImplicationChecksByTransitivity, 1.0s TimeCoverageRelationStatistics Valid=23436, Invalid=23436, Unknown=0, NotChecked=0, Total=46872 [2018-07-23 13:43:16,235 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 219 states. [2018-07-23 13:43:16,237 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 219 to 219. [2018-07-23 13:43:16,237 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 219 states. [2018-07-23 13:43:16,238 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 219 states to 219 states and 219 transitions. [2018-07-23 13:43:16,238 INFO L78 Accepts]: Start accepts. Automaton has 219 states and 219 transitions. Word has length 217 [2018-07-23 13:43:16,238 INFO L84 Accepts]: Finished accepts. word is rejected. [2018-07-23 13:43:16,238 INFO L471 AbstractCegarLoop]: Abstraction has 219 states and 219 transitions. [2018-07-23 13:43:16,238 INFO L472 AbstractCegarLoop]: Interpolant automaton has 217 states. [2018-07-23 13:43:16,238 INFO L276 IsEmpty]: Start isEmpty. Operand 219 states and 219 transitions. [2018-07-23 13:43:16,239 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 219 [2018-07-23 13:43:16,239 INFO L349 BasicCegarLoop]: Found error trace [2018-07-23 13:43:16,239 INFO L357 BasicCegarLoop]: trace histogram [215, 1, 1, 1] [2018-07-23 13:43:16,239 INFO L414 AbstractCegarLoop]: === Iteration 216 === [ULTIMATE.startErr0AssertViolationASSERT]=== [2018-07-23 13:43:16,239 INFO L82 PathProgramCache]: Analyzing trace with hash 2033022344, now seen corresponding path program 215 times [2018-07-23 13:43:16,239 INFO L69 tionRefinementEngine]: Using refinement strategy FixedRefinementStrategy [2018-07-23 13:43:16,346 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-07-23 13:43:17,449 INFO L134 CoverageAnalysis]: Checked inductivity of 23220 backedges. 0 proven. 23220 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2018-07-23 13:43:17,449 INFO L309 seRefinementStrategy]: Constructing automaton from 0 perfect and 1 imperfect interpolant sequences. [2018-07-23 13:43:17,449 INFO L324 seRefinementStrategy]: Number of different interpolants: perfect sequences [] imperfect sequences [217] total 217 [2018-07-23 13:43:17,450 INFO L142 lantAutomatonBuilder]: Constructing canonical interpolant automaton, with selfloop in false state [2018-07-23 13:43:17,450 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2018-07-23 13:43:17,450 INFO L185 omatonBuilderFactory]: Interpolants [120841#false, 120840#true, 120843#(<= ULTIMATE.start_main_~k~5 1), 120842#(<= ULTIMATE.start_main_~k~5 0), 120845#(<= ULTIMATE.start_main_~k~5 3), 120844#(<= ULTIMATE.start_main_~k~5 2), 120847#(<= ULTIMATE.start_main_~k~5 5), 120846#(<= ULTIMATE.start_main_~k~5 4), 120849#(<= ULTIMATE.start_main_~k~5 7), 120848#(<= ULTIMATE.start_main_~k~5 6), 120851#(<= ULTIMATE.start_main_~k~5 9), 120850#(<= ULTIMATE.start_main_~k~5 8), 120853#(<= ULTIMATE.start_main_~k~5 11), 120852#(<= ULTIMATE.start_main_~k~5 10), 120855#(<= ULTIMATE.start_main_~k~5 13), 120854#(<= ULTIMATE.start_main_~k~5 12), 120857#(<= ULTIMATE.start_main_~k~5 15), 120856#(<= ULTIMATE.start_main_~k~5 14), 120859#(<= ULTIMATE.start_main_~k~5 17), 120858#(<= ULTIMATE.start_main_~k~5 16), 120861#(<= ULTIMATE.start_main_~k~5 19), 120860#(<= ULTIMATE.start_main_~k~5 18), 120863#(<= ULTIMATE.start_main_~k~5 21), 120862#(<= ULTIMATE.start_main_~k~5 20), 120865#(<= ULTIMATE.start_main_~k~5 23), 120864#(<= ULTIMATE.start_main_~k~5 22), 120867#(<= ULTIMATE.start_main_~k~5 25), 120866#(<= ULTIMATE.start_main_~k~5 24), 120869#(<= ULTIMATE.start_main_~k~5 27), 120868#(<= ULTIMATE.start_main_~k~5 26), 120871#(<= ULTIMATE.start_main_~k~5 29), 120870#(<= ULTIMATE.start_main_~k~5 28), 120873#(<= ULTIMATE.start_main_~k~5 31), 120872#(<= ULTIMATE.start_main_~k~5 30), 120875#(<= ULTIMATE.start_main_~k~5 33), 120874#(<= ULTIMATE.start_main_~k~5 32), 120877#(<= ULTIMATE.start_main_~k~5 35), 120876#(<= ULTIMATE.start_main_~k~5 34), 120879#(<= ULTIMATE.start_main_~k~5 37), 120878#(<= ULTIMATE.start_main_~k~5 36), 120881#(<= ULTIMATE.start_main_~k~5 39), 120880#(<= ULTIMATE.start_main_~k~5 38), 120883#(<= ULTIMATE.start_main_~k~5 41), 120882#(<= ULTIMATE.start_main_~k~5 40), 120885#(<= ULTIMATE.start_main_~k~5 43), 120884#(<= ULTIMATE.start_main_~k~5 42), 120887#(<= ULTIMATE.start_main_~k~5 45), 120886#(<= ULTIMATE.start_main_~k~5 44), 120889#(<= ULTIMATE.start_main_~k~5 47), 120888#(<= ULTIMATE.start_main_~k~5 46), 120891#(<= ULTIMATE.start_main_~k~5 49), 120890#(<= ULTIMATE.start_main_~k~5 48), 120893#(<= ULTIMATE.start_main_~k~5 51), 120892#(<= ULTIMATE.start_main_~k~5 50), 120895#(<= ULTIMATE.start_main_~k~5 53), 120894#(<= ULTIMATE.start_main_~k~5 52), 120897#(<= ULTIMATE.start_main_~k~5 55), 120896#(<= ULTIMATE.start_main_~k~5 54), 120899#(<= ULTIMATE.start_main_~k~5 57), 120898#(<= ULTIMATE.start_main_~k~5 56), 120901#(<= ULTIMATE.start_main_~k~5 59), 120900#(<= ULTIMATE.start_main_~k~5 58), 120903#(<= ULTIMATE.start_main_~k~5 61), 120902#(<= ULTIMATE.start_main_~k~5 60), 120905#(<= ULTIMATE.start_main_~k~5 63), 120904#(<= ULTIMATE.start_main_~k~5 62), 120907#(<= ULTIMATE.start_main_~k~5 65), 120906#(<= ULTIMATE.start_main_~k~5 64), 120909#(<= ULTIMATE.start_main_~k~5 67), 120908#(<= ULTIMATE.start_main_~k~5 66), 120911#(<= ULTIMATE.start_main_~k~5 69), 120910#(<= ULTIMATE.start_main_~k~5 68), 120913#(<= ULTIMATE.start_main_~k~5 71), 120912#(<= ULTIMATE.start_main_~k~5 70), 120915#(<= ULTIMATE.start_main_~k~5 73), 120914#(<= ULTIMATE.start_main_~k~5 72), 120917#(<= ULTIMATE.start_main_~k~5 75), 120916#(<= ULTIMATE.start_main_~k~5 74), 120919#(<= ULTIMATE.start_main_~k~5 77), 120918#(<= ULTIMATE.start_main_~k~5 76), 120921#(<= ULTIMATE.start_main_~k~5 79), 120920#(<= ULTIMATE.start_main_~k~5 78), 120923#(<= ULTIMATE.start_main_~k~5 81), 120922#(<= ULTIMATE.start_main_~k~5 80), 120925#(<= ULTIMATE.start_main_~k~5 83), 120924#(<= ULTIMATE.start_main_~k~5 82), 120927#(<= ULTIMATE.start_main_~k~5 85), 120926#(<= ULTIMATE.start_main_~k~5 84), 120929#(<= ULTIMATE.start_main_~k~5 87), 120928#(<= ULTIMATE.start_main_~k~5 86), 120931#(<= ULTIMATE.start_main_~k~5 89), 120930#(<= ULTIMATE.start_main_~k~5 88), 120933#(<= ULTIMATE.start_main_~k~5 91), 120932#(<= ULTIMATE.start_main_~k~5 90), 120935#(<= ULTIMATE.start_main_~k~5 93), 120934#(<= ULTIMATE.start_main_~k~5 92), 120937#(<= ULTIMATE.start_main_~k~5 95), 120936#(<= ULTIMATE.start_main_~k~5 94), 120939#(<= ULTIMATE.start_main_~k~5 97), 120938#(<= ULTIMATE.start_main_~k~5 96), 120941#(<= ULTIMATE.start_main_~k~5 99), 120940#(<= ULTIMATE.start_main_~k~5 98), 120943#(<= ULTIMATE.start_main_~k~5 101), 120942#(<= ULTIMATE.start_main_~k~5 100), 120945#(<= ULTIMATE.start_main_~k~5 103), 120944#(<= ULTIMATE.start_main_~k~5 102), 120947#(<= ULTIMATE.start_main_~k~5 105), 120946#(<= ULTIMATE.start_main_~k~5 104), 120949#(<= ULTIMATE.start_main_~k~5 107), 120948#(<= ULTIMATE.start_main_~k~5 106), 120951#(<= ULTIMATE.start_main_~k~5 109), 120950#(<= ULTIMATE.start_main_~k~5 108), 120953#(<= ULTIMATE.start_main_~k~5 111), 120952#(<= ULTIMATE.start_main_~k~5 110), 120955#(<= ULTIMATE.start_main_~k~5 113), 120954#(<= ULTIMATE.start_main_~k~5 112), 120957#(<= ULTIMATE.start_main_~k~5 115), 120956#(<= ULTIMATE.start_main_~k~5 114), 120959#(<= ULTIMATE.start_main_~k~5 117), 120958#(<= ULTIMATE.start_main_~k~5 116), 120961#(<= ULTIMATE.start_main_~k~5 119), 120960#(<= ULTIMATE.start_main_~k~5 118), 120963#(<= ULTIMATE.start_main_~k~5 121), 120962#(<= ULTIMATE.start_main_~k~5 120), 120965#(<= ULTIMATE.start_main_~k~5 123), 120964#(<= ULTIMATE.start_main_~k~5 122), 120967#(<= ULTIMATE.start_main_~k~5 125), 120966#(<= ULTIMATE.start_main_~k~5 124), 120969#(<= ULTIMATE.start_main_~k~5 127), 120968#(<= ULTIMATE.start_main_~k~5 126), 120971#(<= ULTIMATE.start_main_~k~5 129), 120970#(<= ULTIMATE.start_main_~k~5 128), 120973#(<= ULTIMATE.start_main_~k~5 131), 120972#(<= ULTIMATE.start_main_~k~5 130), 120975#(<= ULTIMATE.start_main_~k~5 133), 120974#(<= ULTIMATE.start_main_~k~5 132), 120977#(<= ULTIMATE.start_main_~k~5 135), 120976#(<= ULTIMATE.start_main_~k~5 134), 120979#(<= ULTIMATE.start_main_~k~5 137), 120978#(<= ULTIMATE.start_main_~k~5 136), 120981#(<= ULTIMATE.start_main_~k~5 139), 120980#(<= ULTIMATE.start_main_~k~5 138), 120983#(<= ULTIMATE.start_main_~k~5 141), 120982#(<= ULTIMATE.start_main_~k~5 140), 120985#(<= ULTIMATE.start_main_~k~5 143), 120984#(<= ULTIMATE.start_main_~k~5 142), 120987#(<= ULTIMATE.start_main_~k~5 145), 120986#(<= ULTIMATE.start_main_~k~5 144), 120989#(<= ULTIMATE.start_main_~k~5 147), 120988#(<= ULTIMATE.start_main_~k~5 146), 120991#(<= ULTIMATE.start_main_~k~5 149), 120990#(<= ULTIMATE.start_main_~k~5 148), 120993#(<= ULTIMATE.start_main_~k~5 151), 120992#(<= ULTIMATE.start_main_~k~5 150), 120995#(<= ULTIMATE.start_main_~k~5 153), 120994#(<= ULTIMATE.start_main_~k~5 152), 120997#(<= ULTIMATE.start_main_~k~5 155), 120996#(<= ULTIMATE.start_main_~k~5 154), 120999#(<= ULTIMATE.start_main_~k~5 157), 120998#(<= ULTIMATE.start_main_~k~5 156), 121001#(<= ULTIMATE.start_main_~k~5 159), 121000#(<= ULTIMATE.start_main_~k~5 158), 121003#(<= ULTIMATE.start_main_~k~5 161), 121002#(<= ULTIMATE.start_main_~k~5 160), 121005#(<= ULTIMATE.start_main_~k~5 163), 121004#(<= ULTIMATE.start_main_~k~5 162), 121007#(<= ULTIMATE.start_main_~k~5 165), 121006#(<= ULTIMATE.start_main_~k~5 164), 121009#(<= ULTIMATE.start_main_~k~5 167), 121008#(<= ULTIMATE.start_main_~k~5 166), 121011#(<= ULTIMATE.start_main_~k~5 169), 121010#(<= ULTIMATE.start_main_~k~5 168), 121013#(<= ULTIMATE.start_main_~k~5 171), 121012#(<= ULTIMATE.start_main_~k~5 170), 121015#(<= ULTIMATE.start_main_~k~5 173), 121014#(<= ULTIMATE.start_main_~k~5 172), 121017#(<= ULTIMATE.start_main_~k~5 175), 121016#(<= ULTIMATE.start_main_~k~5 174), 121019#(<= ULTIMATE.start_main_~k~5 177), 121018#(<= ULTIMATE.start_main_~k~5 176), 121021#(<= ULTIMATE.start_main_~k~5 179), 121020#(<= ULTIMATE.start_main_~k~5 178), 121023#(<= ULTIMATE.start_main_~k~5 181), 121022#(<= ULTIMATE.start_main_~k~5 180), 121025#(<= ULTIMATE.start_main_~k~5 183), 121024#(<= ULTIMATE.start_main_~k~5 182), 121027#(<= ULTIMATE.start_main_~k~5 185), 121026#(<= ULTIMATE.start_main_~k~5 184), 121029#(<= ULTIMATE.start_main_~k~5 187), 121028#(<= ULTIMATE.start_main_~k~5 186), 121031#(<= ULTIMATE.start_main_~k~5 189), 121030#(<= ULTIMATE.start_main_~k~5 188), 121033#(<= ULTIMATE.start_main_~k~5 191), 121032#(<= ULTIMATE.start_main_~k~5 190), 121035#(<= ULTIMATE.start_main_~k~5 193), 121034#(<= ULTIMATE.start_main_~k~5 192), 121037#(<= ULTIMATE.start_main_~k~5 195), 121036#(<= ULTIMATE.start_main_~k~5 194), 121039#(<= ULTIMATE.start_main_~k~5 197), 121038#(<= ULTIMATE.start_main_~k~5 196), 121041#(<= ULTIMATE.start_main_~k~5 199), 121040#(<= ULTIMATE.start_main_~k~5 198), 121043#(<= ULTIMATE.start_main_~k~5 201), 121042#(<= ULTIMATE.start_main_~k~5 200), 121045#(<= ULTIMATE.start_main_~k~5 203), 121044#(<= ULTIMATE.start_main_~k~5 202), 121047#(<= ULTIMATE.start_main_~k~5 205), 121046#(<= ULTIMATE.start_main_~k~5 204), 121049#(<= ULTIMATE.start_main_~k~5 207), 121048#(<= ULTIMATE.start_main_~k~5 206), 121051#(<= ULTIMATE.start_main_~k~5 209), 121050#(<= ULTIMATE.start_main_~k~5 208), 121053#(<= ULTIMATE.start_main_~k~5 211), 121052#(<= ULTIMATE.start_main_~k~5 210), 121055#(<= ULTIMATE.start_main_~k~5 213), 121054#(<= ULTIMATE.start_main_~k~5 212), 121057#(<= ULTIMATE.start_main_~k~5 215), 121056#(<= ULTIMATE.start_main_~k~5 214)] [2018-07-23 13:43:17,452 INFO L134 CoverageAnalysis]: Checked inductivity of 23220 backedges. 0 proven. 23220 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2018-07-23 13:43:17,452 INFO L450 AbstractCegarLoop]: Interpolant automaton has 218 states [2018-07-23 13:43:17,455 INFO L132 InterpolantAutomaton]: Constructing interpolant automaton starting with 218 interpolants. [2018-07-23 13:43:17,456 INFO L133 InterpolantAutomaton]: CoverageRelationStatistics Valid=23653, Invalid=23653, Unknown=0, NotChecked=0, Total=47306 [2018-07-23 13:43:17,456 INFO L87 Difference]: Start difference. First operand 219 states and 219 transitions. Second operand 218 states. [2018-07-23 13:43:18,832 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2018-07-23 13:43:18,832 INFO L93 Difference]: Finished difference Result 222 states and 222 transitions. [2018-07-23 13:43:18,832 INFO L142 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 218 states. [2018-07-23 13:43:18,832 INFO L78 Accepts]: Start accepts. Automaton has 218 states. Word has length 218 [2018-07-23 13:43:18,833 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2018-07-23 13:43:18,833 INFO L225 Difference]: With dead ends: 222 [2018-07-23 13:43:18,833 INFO L226 Difference]: Without dead ends: 220 [2018-07-23 13:43:18,834 INFO L575 BasicCegarLoop]: 0 DeclaredPredicates, 217 GetRequests, 1 SyntacticMatches, 0 SemanticMatches, 216 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 0 ImplicationChecksByTransitivity, 0.9s TimeCoverageRelationStatistics Valid=23653, Invalid=23653, Unknown=0, NotChecked=0, Total=47306 [2018-07-23 13:43:18,834 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 220 states. [2018-07-23 13:43:18,836 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 220 to 220. [2018-07-23 13:43:18,836 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 220 states. [2018-07-23 13:43:18,837 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 220 states to 220 states and 220 transitions. [2018-07-23 13:43:18,837 INFO L78 Accepts]: Start accepts. Automaton has 220 states and 220 transitions. Word has length 218 [2018-07-23 13:43:18,837 INFO L84 Accepts]: Finished accepts. word is rejected. [2018-07-23 13:43:18,837 INFO L471 AbstractCegarLoop]: Abstraction has 220 states and 220 transitions. [2018-07-23 13:43:18,837 INFO L472 AbstractCegarLoop]: Interpolant automaton has 218 states. [2018-07-23 13:43:18,837 INFO L276 IsEmpty]: Start isEmpty. Operand 220 states and 220 transitions. [2018-07-23 13:43:18,838 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 220 [2018-07-23 13:43:18,838 INFO L349 BasicCegarLoop]: Found error trace [2018-07-23 13:43:18,838 INFO L357 BasicCegarLoop]: trace histogram [216, 1, 1, 1] [2018-07-23 13:43:18,838 INFO L414 AbstractCegarLoop]: === Iteration 217 === [ULTIMATE.startErr0AssertViolationASSERT]=== [2018-07-23 13:43:18,838 INFO L82 PathProgramCache]: Analyzing trace with hash -1400818751, now seen corresponding path program 216 times [2018-07-23 13:43:18,838 INFO L69 tionRefinementEngine]: Using refinement strategy FixedRefinementStrategy [2018-07-23 13:43:18,937 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-07-23 13:43:20,070 INFO L134 CoverageAnalysis]: Checked inductivity of 23436 backedges. 0 proven. 23436 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2018-07-23 13:43:20,071 INFO L309 seRefinementStrategy]: Constructing automaton from 0 perfect and 1 imperfect interpolant sequences. [2018-07-23 13:43:20,071 INFO L324 seRefinementStrategy]: Number of different interpolants: perfect sequences [] imperfect sequences [218] total 218 [2018-07-23 13:43:20,071 INFO L142 lantAutomatonBuilder]: Constructing canonical interpolant automaton, with selfloop in false state [2018-07-23 13:43:20,071 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2018-07-23 13:43:20,071 INFO L185 omatonBuilderFactory]: Interpolants [121943#false, 121942#true, 121945#(<= ULTIMATE.start_main_~k~5 1), 121944#(<= ULTIMATE.start_main_~k~5 0), 121947#(<= ULTIMATE.start_main_~k~5 3), 121946#(<= ULTIMATE.start_main_~k~5 2), 121949#(<= ULTIMATE.start_main_~k~5 5), 121948#(<= ULTIMATE.start_main_~k~5 4), 121951#(<= ULTIMATE.start_main_~k~5 7), 121950#(<= ULTIMATE.start_main_~k~5 6), 121953#(<= ULTIMATE.start_main_~k~5 9), 121952#(<= ULTIMATE.start_main_~k~5 8), 121955#(<= ULTIMATE.start_main_~k~5 11), 121954#(<= ULTIMATE.start_main_~k~5 10), 121957#(<= ULTIMATE.start_main_~k~5 13), 121956#(<= ULTIMATE.start_main_~k~5 12), 121959#(<= ULTIMATE.start_main_~k~5 15), 121958#(<= ULTIMATE.start_main_~k~5 14), 121961#(<= ULTIMATE.start_main_~k~5 17), 121960#(<= ULTIMATE.start_main_~k~5 16), 121963#(<= ULTIMATE.start_main_~k~5 19), 121962#(<= ULTIMATE.start_main_~k~5 18), 121965#(<= ULTIMATE.start_main_~k~5 21), 121964#(<= ULTIMATE.start_main_~k~5 20), 121967#(<= ULTIMATE.start_main_~k~5 23), 121966#(<= ULTIMATE.start_main_~k~5 22), 121969#(<= ULTIMATE.start_main_~k~5 25), 121968#(<= ULTIMATE.start_main_~k~5 24), 121971#(<= ULTIMATE.start_main_~k~5 27), 121970#(<= ULTIMATE.start_main_~k~5 26), 121973#(<= ULTIMATE.start_main_~k~5 29), 121972#(<= ULTIMATE.start_main_~k~5 28), 121975#(<= ULTIMATE.start_main_~k~5 31), 121974#(<= ULTIMATE.start_main_~k~5 30), 121977#(<= ULTIMATE.start_main_~k~5 33), 121976#(<= ULTIMATE.start_main_~k~5 32), 121979#(<= ULTIMATE.start_main_~k~5 35), 121978#(<= ULTIMATE.start_main_~k~5 34), 121981#(<= ULTIMATE.start_main_~k~5 37), 121980#(<= ULTIMATE.start_main_~k~5 36), 121983#(<= ULTIMATE.start_main_~k~5 39), 121982#(<= ULTIMATE.start_main_~k~5 38), 121985#(<= ULTIMATE.start_main_~k~5 41), 121984#(<= ULTIMATE.start_main_~k~5 40), 121987#(<= ULTIMATE.start_main_~k~5 43), 121986#(<= ULTIMATE.start_main_~k~5 42), 121989#(<= ULTIMATE.start_main_~k~5 45), 121988#(<= ULTIMATE.start_main_~k~5 44), 121991#(<= ULTIMATE.start_main_~k~5 47), 121990#(<= ULTIMATE.start_main_~k~5 46), 121993#(<= ULTIMATE.start_main_~k~5 49), 121992#(<= ULTIMATE.start_main_~k~5 48), 121995#(<= ULTIMATE.start_main_~k~5 51), 121994#(<= ULTIMATE.start_main_~k~5 50), 121997#(<= ULTIMATE.start_main_~k~5 53), 121996#(<= ULTIMATE.start_main_~k~5 52), 121999#(<= ULTIMATE.start_main_~k~5 55), 121998#(<= ULTIMATE.start_main_~k~5 54), 122001#(<= ULTIMATE.start_main_~k~5 57), 122000#(<= ULTIMATE.start_main_~k~5 56), 122003#(<= ULTIMATE.start_main_~k~5 59), 122002#(<= ULTIMATE.start_main_~k~5 58), 122005#(<= ULTIMATE.start_main_~k~5 61), 122004#(<= ULTIMATE.start_main_~k~5 60), 122007#(<= ULTIMATE.start_main_~k~5 63), 122006#(<= ULTIMATE.start_main_~k~5 62), 122009#(<= ULTIMATE.start_main_~k~5 65), 122008#(<= ULTIMATE.start_main_~k~5 64), 122011#(<= ULTIMATE.start_main_~k~5 67), 122010#(<= ULTIMATE.start_main_~k~5 66), 122013#(<= ULTIMATE.start_main_~k~5 69), 122012#(<= ULTIMATE.start_main_~k~5 68), 122015#(<= ULTIMATE.start_main_~k~5 71), 122014#(<= ULTIMATE.start_main_~k~5 70), 122017#(<= ULTIMATE.start_main_~k~5 73), 122016#(<= ULTIMATE.start_main_~k~5 72), 122019#(<= ULTIMATE.start_main_~k~5 75), 122018#(<= ULTIMATE.start_main_~k~5 74), 122021#(<= ULTIMATE.start_main_~k~5 77), 122020#(<= ULTIMATE.start_main_~k~5 76), 122023#(<= ULTIMATE.start_main_~k~5 79), 122022#(<= ULTIMATE.start_main_~k~5 78), 122025#(<= ULTIMATE.start_main_~k~5 81), 122024#(<= ULTIMATE.start_main_~k~5 80), 122027#(<= ULTIMATE.start_main_~k~5 83), 122026#(<= ULTIMATE.start_main_~k~5 82), 122029#(<= ULTIMATE.start_main_~k~5 85), 122028#(<= ULTIMATE.start_main_~k~5 84), 122031#(<= ULTIMATE.start_main_~k~5 87), 122030#(<= ULTIMATE.start_main_~k~5 86), 122033#(<= ULTIMATE.start_main_~k~5 89), 122032#(<= ULTIMATE.start_main_~k~5 88), 122035#(<= ULTIMATE.start_main_~k~5 91), 122034#(<= ULTIMATE.start_main_~k~5 90), 122037#(<= ULTIMATE.start_main_~k~5 93), 122036#(<= ULTIMATE.start_main_~k~5 92), 122039#(<= ULTIMATE.start_main_~k~5 95), 122038#(<= ULTIMATE.start_main_~k~5 94), 122041#(<= ULTIMATE.start_main_~k~5 97), 122040#(<= ULTIMATE.start_main_~k~5 96), 122043#(<= ULTIMATE.start_main_~k~5 99), 122042#(<= ULTIMATE.start_main_~k~5 98), 122045#(<= ULTIMATE.start_main_~k~5 101), 122044#(<= ULTIMATE.start_main_~k~5 100), 122047#(<= ULTIMATE.start_main_~k~5 103), 122046#(<= ULTIMATE.start_main_~k~5 102), 122049#(<= ULTIMATE.start_main_~k~5 105), 122048#(<= ULTIMATE.start_main_~k~5 104), 122051#(<= ULTIMATE.start_main_~k~5 107), 122050#(<= ULTIMATE.start_main_~k~5 106), 122053#(<= ULTIMATE.start_main_~k~5 109), 122052#(<= ULTIMATE.start_main_~k~5 108), 122055#(<= ULTIMATE.start_main_~k~5 111), 122054#(<= ULTIMATE.start_main_~k~5 110), 122057#(<= ULTIMATE.start_main_~k~5 113), 122056#(<= ULTIMATE.start_main_~k~5 112), 122059#(<= ULTIMATE.start_main_~k~5 115), 122058#(<= ULTIMATE.start_main_~k~5 114), 122061#(<= ULTIMATE.start_main_~k~5 117), 122060#(<= ULTIMATE.start_main_~k~5 116), 122063#(<= ULTIMATE.start_main_~k~5 119), 122062#(<= ULTIMATE.start_main_~k~5 118), 122065#(<= ULTIMATE.start_main_~k~5 121), 122064#(<= ULTIMATE.start_main_~k~5 120), 122067#(<= ULTIMATE.start_main_~k~5 123), 122066#(<= ULTIMATE.start_main_~k~5 122), 122069#(<= ULTIMATE.start_main_~k~5 125), 122068#(<= ULTIMATE.start_main_~k~5 124), 122071#(<= ULTIMATE.start_main_~k~5 127), 122070#(<= ULTIMATE.start_main_~k~5 126), 122073#(<= ULTIMATE.start_main_~k~5 129), 122072#(<= ULTIMATE.start_main_~k~5 128), 122075#(<= ULTIMATE.start_main_~k~5 131), 122074#(<= ULTIMATE.start_main_~k~5 130), 122077#(<= ULTIMATE.start_main_~k~5 133), 122076#(<= ULTIMATE.start_main_~k~5 132), 122079#(<= ULTIMATE.start_main_~k~5 135), 122078#(<= ULTIMATE.start_main_~k~5 134), 122081#(<= ULTIMATE.start_main_~k~5 137), 122080#(<= ULTIMATE.start_main_~k~5 136), 122083#(<= ULTIMATE.start_main_~k~5 139), 122082#(<= ULTIMATE.start_main_~k~5 138), 122085#(<= ULTIMATE.start_main_~k~5 141), 122084#(<= ULTIMATE.start_main_~k~5 140), 122087#(<= ULTIMATE.start_main_~k~5 143), 122086#(<= ULTIMATE.start_main_~k~5 142), 122089#(<= ULTIMATE.start_main_~k~5 145), 122088#(<= ULTIMATE.start_main_~k~5 144), 122091#(<= ULTIMATE.start_main_~k~5 147), 122090#(<= ULTIMATE.start_main_~k~5 146), 122093#(<= ULTIMATE.start_main_~k~5 149), 122092#(<= ULTIMATE.start_main_~k~5 148), 122095#(<= ULTIMATE.start_main_~k~5 151), 122094#(<= ULTIMATE.start_main_~k~5 150), 122097#(<= ULTIMATE.start_main_~k~5 153), 122096#(<= ULTIMATE.start_main_~k~5 152), 122099#(<= ULTIMATE.start_main_~k~5 155), 122098#(<= ULTIMATE.start_main_~k~5 154), 122101#(<= ULTIMATE.start_main_~k~5 157), 122100#(<= ULTIMATE.start_main_~k~5 156), 122103#(<= ULTIMATE.start_main_~k~5 159), 122102#(<= ULTIMATE.start_main_~k~5 158), 122105#(<= ULTIMATE.start_main_~k~5 161), 122104#(<= ULTIMATE.start_main_~k~5 160), 122107#(<= ULTIMATE.start_main_~k~5 163), 122106#(<= ULTIMATE.start_main_~k~5 162), 122109#(<= ULTIMATE.start_main_~k~5 165), 122108#(<= ULTIMATE.start_main_~k~5 164), 122111#(<= ULTIMATE.start_main_~k~5 167), 122110#(<= ULTIMATE.start_main_~k~5 166), 122113#(<= ULTIMATE.start_main_~k~5 169), 122112#(<= ULTIMATE.start_main_~k~5 168), 122115#(<= ULTIMATE.start_main_~k~5 171), 122114#(<= ULTIMATE.start_main_~k~5 170), 122117#(<= ULTIMATE.start_main_~k~5 173), 122116#(<= ULTIMATE.start_main_~k~5 172), 122119#(<= ULTIMATE.start_main_~k~5 175), 122118#(<= ULTIMATE.start_main_~k~5 174), 122121#(<= ULTIMATE.start_main_~k~5 177), 122120#(<= ULTIMATE.start_main_~k~5 176), 122123#(<= ULTIMATE.start_main_~k~5 179), 122122#(<= ULTIMATE.start_main_~k~5 178), 122125#(<= ULTIMATE.start_main_~k~5 181), 122124#(<= ULTIMATE.start_main_~k~5 180), 122127#(<= ULTIMATE.start_main_~k~5 183), 122126#(<= ULTIMATE.start_main_~k~5 182), 122129#(<= ULTIMATE.start_main_~k~5 185), 122128#(<= ULTIMATE.start_main_~k~5 184), 122131#(<= ULTIMATE.start_main_~k~5 187), 122130#(<= ULTIMATE.start_main_~k~5 186), 122133#(<= ULTIMATE.start_main_~k~5 189), 122132#(<= ULTIMATE.start_main_~k~5 188), 122135#(<= ULTIMATE.start_main_~k~5 191), 122134#(<= ULTIMATE.start_main_~k~5 190), 122137#(<= ULTIMATE.start_main_~k~5 193), 122136#(<= ULTIMATE.start_main_~k~5 192), 122139#(<= ULTIMATE.start_main_~k~5 195), 122138#(<= ULTIMATE.start_main_~k~5 194), 122141#(<= ULTIMATE.start_main_~k~5 197), 122140#(<= ULTIMATE.start_main_~k~5 196), 122143#(<= ULTIMATE.start_main_~k~5 199), 122142#(<= ULTIMATE.start_main_~k~5 198), 122145#(<= ULTIMATE.start_main_~k~5 201), 122144#(<= ULTIMATE.start_main_~k~5 200), 122147#(<= ULTIMATE.start_main_~k~5 203), 122146#(<= ULTIMATE.start_main_~k~5 202), 122149#(<= ULTIMATE.start_main_~k~5 205), 122148#(<= ULTIMATE.start_main_~k~5 204), 122151#(<= ULTIMATE.start_main_~k~5 207), 122150#(<= ULTIMATE.start_main_~k~5 206), 122153#(<= ULTIMATE.start_main_~k~5 209), 122152#(<= ULTIMATE.start_main_~k~5 208), 122155#(<= ULTIMATE.start_main_~k~5 211), 122154#(<= ULTIMATE.start_main_~k~5 210), 122157#(<= ULTIMATE.start_main_~k~5 213), 122156#(<= ULTIMATE.start_main_~k~5 212), 122159#(<= ULTIMATE.start_main_~k~5 215), 122158#(<= ULTIMATE.start_main_~k~5 214), 122160#(<= ULTIMATE.start_main_~k~5 216)] [2018-07-23 13:43:20,073 INFO L134 CoverageAnalysis]: Checked inductivity of 23436 backedges. 0 proven. 23436 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2018-07-23 13:43:20,073 INFO L450 AbstractCegarLoop]: Interpolant automaton has 219 states [2018-07-23 13:43:20,076 INFO L132 InterpolantAutomaton]: Constructing interpolant automaton starting with 219 interpolants. [2018-07-23 13:43:20,078 INFO L133 InterpolantAutomaton]: CoverageRelationStatistics Valid=23871, Invalid=23871, Unknown=0, NotChecked=0, Total=47742 [2018-07-23 13:43:20,078 INFO L87 Difference]: Start difference. First operand 220 states and 220 transitions. Second operand 219 states. [2018-07-23 13:43:21,125 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2018-07-23 13:43:21,125 INFO L93 Difference]: Finished difference Result 223 states and 223 transitions. [2018-07-23 13:43:21,126 INFO L142 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 219 states. [2018-07-23 13:43:21,126 INFO L78 Accepts]: Start accepts. Automaton has 219 states. Word has length 219 [2018-07-23 13:43:21,126 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2018-07-23 13:43:21,126 INFO L225 Difference]: With dead ends: 223 [2018-07-23 13:43:21,126 INFO L226 Difference]: Without dead ends: 221 [2018-07-23 13:43:21,128 INFO L575 BasicCegarLoop]: 0 DeclaredPredicates, 218 GetRequests, 1 SyntacticMatches, 0 SemanticMatches, 217 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 0 ImplicationChecksByTransitivity, 1.0s TimeCoverageRelationStatistics Valid=23871, Invalid=23871, Unknown=0, NotChecked=0, Total=47742 [2018-07-23 13:43:21,129 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 221 states. [2018-07-23 13:43:21,131 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 221 to 221. [2018-07-23 13:43:21,131 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 221 states. [2018-07-23 13:43:21,131 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 221 states to 221 states and 221 transitions. [2018-07-23 13:43:21,131 INFO L78 Accepts]: Start accepts. Automaton has 221 states and 221 transitions. Word has length 219 [2018-07-23 13:43:21,131 INFO L84 Accepts]: Finished accepts. word is rejected. [2018-07-23 13:43:21,131 INFO L471 AbstractCegarLoop]: Abstraction has 221 states and 221 transitions. [2018-07-23 13:43:21,131 INFO L472 AbstractCegarLoop]: Interpolant automaton has 219 states. [2018-07-23 13:43:21,131 INFO L276 IsEmpty]: Start isEmpty. Operand 221 states and 221 transitions. [2018-07-23 13:43:21,132 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 221 [2018-07-23 13:43:21,132 INFO L349 BasicCegarLoop]: Found error trace [2018-07-23 13:43:21,132 INFO L357 BasicCegarLoop]: trace histogram [217, 1, 1, 1] [2018-07-23 13:43:21,132 INFO L414 AbstractCegarLoop]: === Iteration 218 === [ULTIMATE.startErr0AssertViolationASSERT]=== [2018-07-23 13:43:21,132 INFO L82 PathProgramCache]: Analyzing trace with hash -475710296, now seen corresponding path program 217 times [2018-07-23 13:43:21,132 INFO L69 tionRefinementEngine]: Using refinement strategy FixedRefinementStrategy [2018-07-23 13:43:21,243 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-07-23 13:43:22,412 INFO L134 CoverageAnalysis]: Checked inductivity of 23653 backedges. 0 proven. 23653 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2018-07-23 13:43:22,413 INFO L309 seRefinementStrategy]: Constructing automaton from 0 perfect and 1 imperfect interpolant sequences. [2018-07-23 13:43:22,413 INFO L324 seRefinementStrategy]: Number of different interpolants: perfect sequences [] imperfect sequences [219] total 219 [2018-07-23 13:43:22,413 INFO L142 lantAutomatonBuilder]: Constructing canonical interpolant automaton, with selfloop in false state [2018-07-23 13:43:22,413 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2018-07-23 13:43:22,414 INFO L185 omatonBuilderFactory]: Interpolants [123049#true, 123051#(<= ULTIMATE.start_main_~k~5 0), 123050#false, 123053#(<= ULTIMATE.start_main_~k~5 2), 123052#(<= ULTIMATE.start_main_~k~5 1), 123055#(<= ULTIMATE.start_main_~k~5 4), 123054#(<= ULTIMATE.start_main_~k~5 3), 123057#(<= ULTIMATE.start_main_~k~5 6), 123056#(<= ULTIMATE.start_main_~k~5 5), 123059#(<= ULTIMATE.start_main_~k~5 8), 123058#(<= ULTIMATE.start_main_~k~5 7), 123061#(<= ULTIMATE.start_main_~k~5 10), 123060#(<= ULTIMATE.start_main_~k~5 9), 123063#(<= ULTIMATE.start_main_~k~5 12), 123062#(<= ULTIMATE.start_main_~k~5 11), 123065#(<= ULTIMATE.start_main_~k~5 14), 123064#(<= ULTIMATE.start_main_~k~5 13), 123067#(<= ULTIMATE.start_main_~k~5 16), 123066#(<= ULTIMATE.start_main_~k~5 15), 123069#(<= ULTIMATE.start_main_~k~5 18), 123068#(<= ULTIMATE.start_main_~k~5 17), 123071#(<= ULTIMATE.start_main_~k~5 20), 123070#(<= ULTIMATE.start_main_~k~5 19), 123073#(<= ULTIMATE.start_main_~k~5 22), 123072#(<= ULTIMATE.start_main_~k~5 21), 123075#(<= ULTIMATE.start_main_~k~5 24), 123074#(<= ULTIMATE.start_main_~k~5 23), 123077#(<= ULTIMATE.start_main_~k~5 26), 123076#(<= ULTIMATE.start_main_~k~5 25), 123079#(<= ULTIMATE.start_main_~k~5 28), 123078#(<= ULTIMATE.start_main_~k~5 27), 123081#(<= ULTIMATE.start_main_~k~5 30), 123080#(<= ULTIMATE.start_main_~k~5 29), 123083#(<= ULTIMATE.start_main_~k~5 32), 123082#(<= ULTIMATE.start_main_~k~5 31), 123085#(<= ULTIMATE.start_main_~k~5 34), 123084#(<= ULTIMATE.start_main_~k~5 33), 123087#(<= ULTIMATE.start_main_~k~5 36), 123086#(<= ULTIMATE.start_main_~k~5 35), 123089#(<= ULTIMATE.start_main_~k~5 38), 123088#(<= ULTIMATE.start_main_~k~5 37), 123091#(<= ULTIMATE.start_main_~k~5 40), 123090#(<= ULTIMATE.start_main_~k~5 39), 123093#(<= ULTIMATE.start_main_~k~5 42), 123092#(<= ULTIMATE.start_main_~k~5 41), 123095#(<= ULTIMATE.start_main_~k~5 44), 123094#(<= ULTIMATE.start_main_~k~5 43), 123097#(<= ULTIMATE.start_main_~k~5 46), 123096#(<= ULTIMATE.start_main_~k~5 45), 123099#(<= ULTIMATE.start_main_~k~5 48), 123098#(<= ULTIMATE.start_main_~k~5 47), 123101#(<= ULTIMATE.start_main_~k~5 50), 123100#(<= ULTIMATE.start_main_~k~5 49), 123103#(<= ULTIMATE.start_main_~k~5 52), 123102#(<= ULTIMATE.start_main_~k~5 51), 123105#(<= ULTIMATE.start_main_~k~5 54), 123104#(<= ULTIMATE.start_main_~k~5 53), 123107#(<= ULTIMATE.start_main_~k~5 56), 123106#(<= ULTIMATE.start_main_~k~5 55), 123109#(<= ULTIMATE.start_main_~k~5 58), 123108#(<= ULTIMATE.start_main_~k~5 57), 123111#(<= ULTIMATE.start_main_~k~5 60), 123110#(<= ULTIMATE.start_main_~k~5 59), 123113#(<= ULTIMATE.start_main_~k~5 62), 123112#(<= ULTIMATE.start_main_~k~5 61), 123115#(<= ULTIMATE.start_main_~k~5 64), 123114#(<= ULTIMATE.start_main_~k~5 63), 123117#(<= ULTIMATE.start_main_~k~5 66), 123116#(<= ULTIMATE.start_main_~k~5 65), 123119#(<= ULTIMATE.start_main_~k~5 68), 123118#(<= ULTIMATE.start_main_~k~5 67), 123121#(<= ULTIMATE.start_main_~k~5 70), 123120#(<= ULTIMATE.start_main_~k~5 69), 123123#(<= ULTIMATE.start_main_~k~5 72), 123122#(<= ULTIMATE.start_main_~k~5 71), 123125#(<= ULTIMATE.start_main_~k~5 74), 123124#(<= ULTIMATE.start_main_~k~5 73), 123127#(<= ULTIMATE.start_main_~k~5 76), 123126#(<= ULTIMATE.start_main_~k~5 75), 123129#(<= ULTIMATE.start_main_~k~5 78), 123128#(<= ULTIMATE.start_main_~k~5 77), 123131#(<= ULTIMATE.start_main_~k~5 80), 123130#(<= ULTIMATE.start_main_~k~5 79), 123133#(<= ULTIMATE.start_main_~k~5 82), 123132#(<= ULTIMATE.start_main_~k~5 81), 123135#(<= ULTIMATE.start_main_~k~5 84), 123134#(<= ULTIMATE.start_main_~k~5 83), 123137#(<= ULTIMATE.start_main_~k~5 86), 123136#(<= ULTIMATE.start_main_~k~5 85), 123139#(<= ULTIMATE.start_main_~k~5 88), 123138#(<= ULTIMATE.start_main_~k~5 87), 123141#(<= ULTIMATE.start_main_~k~5 90), 123140#(<= ULTIMATE.start_main_~k~5 89), 123143#(<= ULTIMATE.start_main_~k~5 92), 123142#(<= ULTIMATE.start_main_~k~5 91), 123145#(<= ULTIMATE.start_main_~k~5 94), 123144#(<= ULTIMATE.start_main_~k~5 93), 123147#(<= ULTIMATE.start_main_~k~5 96), 123146#(<= ULTIMATE.start_main_~k~5 95), 123149#(<= ULTIMATE.start_main_~k~5 98), 123148#(<= ULTIMATE.start_main_~k~5 97), 123151#(<= ULTIMATE.start_main_~k~5 100), 123150#(<= ULTIMATE.start_main_~k~5 99), 123153#(<= ULTIMATE.start_main_~k~5 102), 123152#(<= ULTIMATE.start_main_~k~5 101), 123155#(<= ULTIMATE.start_main_~k~5 104), 123154#(<= ULTIMATE.start_main_~k~5 103), 123157#(<= ULTIMATE.start_main_~k~5 106), 123156#(<= ULTIMATE.start_main_~k~5 105), 123159#(<= ULTIMATE.start_main_~k~5 108), 123158#(<= ULTIMATE.start_main_~k~5 107), 123161#(<= ULTIMATE.start_main_~k~5 110), 123160#(<= ULTIMATE.start_main_~k~5 109), 123163#(<= ULTIMATE.start_main_~k~5 112), 123162#(<= ULTIMATE.start_main_~k~5 111), 123165#(<= ULTIMATE.start_main_~k~5 114), 123164#(<= ULTIMATE.start_main_~k~5 113), 123167#(<= ULTIMATE.start_main_~k~5 116), 123166#(<= ULTIMATE.start_main_~k~5 115), 123169#(<= ULTIMATE.start_main_~k~5 118), 123168#(<= ULTIMATE.start_main_~k~5 117), 123171#(<= ULTIMATE.start_main_~k~5 120), 123170#(<= ULTIMATE.start_main_~k~5 119), 123173#(<= ULTIMATE.start_main_~k~5 122), 123172#(<= ULTIMATE.start_main_~k~5 121), 123175#(<= ULTIMATE.start_main_~k~5 124), 123174#(<= ULTIMATE.start_main_~k~5 123), 123177#(<= ULTIMATE.start_main_~k~5 126), 123176#(<= ULTIMATE.start_main_~k~5 125), 123179#(<= ULTIMATE.start_main_~k~5 128), 123178#(<= ULTIMATE.start_main_~k~5 127), 123181#(<= ULTIMATE.start_main_~k~5 130), 123180#(<= ULTIMATE.start_main_~k~5 129), 123183#(<= ULTIMATE.start_main_~k~5 132), 123182#(<= ULTIMATE.start_main_~k~5 131), 123185#(<= ULTIMATE.start_main_~k~5 134), 123184#(<= ULTIMATE.start_main_~k~5 133), 123187#(<= ULTIMATE.start_main_~k~5 136), 123186#(<= ULTIMATE.start_main_~k~5 135), 123189#(<= ULTIMATE.start_main_~k~5 138), 123188#(<= ULTIMATE.start_main_~k~5 137), 123191#(<= ULTIMATE.start_main_~k~5 140), 123190#(<= ULTIMATE.start_main_~k~5 139), 123193#(<= ULTIMATE.start_main_~k~5 142), 123192#(<= ULTIMATE.start_main_~k~5 141), 123195#(<= ULTIMATE.start_main_~k~5 144), 123194#(<= ULTIMATE.start_main_~k~5 143), 123197#(<= ULTIMATE.start_main_~k~5 146), 123196#(<= ULTIMATE.start_main_~k~5 145), 123199#(<= ULTIMATE.start_main_~k~5 148), 123198#(<= ULTIMATE.start_main_~k~5 147), 123201#(<= ULTIMATE.start_main_~k~5 150), 123200#(<= ULTIMATE.start_main_~k~5 149), 123203#(<= ULTIMATE.start_main_~k~5 152), 123202#(<= ULTIMATE.start_main_~k~5 151), 123205#(<= ULTIMATE.start_main_~k~5 154), 123204#(<= ULTIMATE.start_main_~k~5 153), 123207#(<= ULTIMATE.start_main_~k~5 156), 123206#(<= ULTIMATE.start_main_~k~5 155), 123209#(<= ULTIMATE.start_main_~k~5 158), 123208#(<= ULTIMATE.start_main_~k~5 157), 123211#(<= ULTIMATE.start_main_~k~5 160), 123210#(<= ULTIMATE.start_main_~k~5 159), 123213#(<= ULTIMATE.start_main_~k~5 162), 123212#(<= ULTIMATE.start_main_~k~5 161), 123215#(<= ULTIMATE.start_main_~k~5 164), 123214#(<= ULTIMATE.start_main_~k~5 163), 123217#(<= ULTIMATE.start_main_~k~5 166), 123216#(<= ULTIMATE.start_main_~k~5 165), 123219#(<= ULTIMATE.start_main_~k~5 168), 123218#(<= ULTIMATE.start_main_~k~5 167), 123221#(<= ULTIMATE.start_main_~k~5 170), 123220#(<= ULTIMATE.start_main_~k~5 169), 123223#(<= ULTIMATE.start_main_~k~5 172), 123222#(<= ULTIMATE.start_main_~k~5 171), 123225#(<= ULTIMATE.start_main_~k~5 174), 123224#(<= ULTIMATE.start_main_~k~5 173), 123227#(<= ULTIMATE.start_main_~k~5 176), 123226#(<= ULTIMATE.start_main_~k~5 175), 123229#(<= ULTIMATE.start_main_~k~5 178), 123228#(<= ULTIMATE.start_main_~k~5 177), 123231#(<= ULTIMATE.start_main_~k~5 180), 123230#(<= ULTIMATE.start_main_~k~5 179), 123233#(<= ULTIMATE.start_main_~k~5 182), 123232#(<= ULTIMATE.start_main_~k~5 181), 123235#(<= ULTIMATE.start_main_~k~5 184), 123234#(<= ULTIMATE.start_main_~k~5 183), 123237#(<= ULTIMATE.start_main_~k~5 186), 123236#(<= ULTIMATE.start_main_~k~5 185), 123239#(<= ULTIMATE.start_main_~k~5 188), 123238#(<= ULTIMATE.start_main_~k~5 187), 123241#(<= ULTIMATE.start_main_~k~5 190), 123240#(<= ULTIMATE.start_main_~k~5 189), 123243#(<= ULTIMATE.start_main_~k~5 192), 123242#(<= ULTIMATE.start_main_~k~5 191), 123245#(<= ULTIMATE.start_main_~k~5 194), 123244#(<= ULTIMATE.start_main_~k~5 193), 123247#(<= ULTIMATE.start_main_~k~5 196), 123246#(<= ULTIMATE.start_main_~k~5 195), 123249#(<= ULTIMATE.start_main_~k~5 198), 123248#(<= ULTIMATE.start_main_~k~5 197), 123251#(<= ULTIMATE.start_main_~k~5 200), 123250#(<= ULTIMATE.start_main_~k~5 199), 123253#(<= ULTIMATE.start_main_~k~5 202), 123252#(<= ULTIMATE.start_main_~k~5 201), 123255#(<= ULTIMATE.start_main_~k~5 204), 123254#(<= ULTIMATE.start_main_~k~5 203), 123257#(<= ULTIMATE.start_main_~k~5 206), 123256#(<= ULTIMATE.start_main_~k~5 205), 123259#(<= ULTIMATE.start_main_~k~5 208), 123258#(<= ULTIMATE.start_main_~k~5 207), 123261#(<= ULTIMATE.start_main_~k~5 210), 123260#(<= ULTIMATE.start_main_~k~5 209), 123263#(<= ULTIMATE.start_main_~k~5 212), 123262#(<= ULTIMATE.start_main_~k~5 211), 123265#(<= ULTIMATE.start_main_~k~5 214), 123264#(<= ULTIMATE.start_main_~k~5 213), 123267#(<= ULTIMATE.start_main_~k~5 216), 123266#(<= ULTIMATE.start_main_~k~5 215), 123268#(<= ULTIMATE.start_main_~k~5 217)] [2018-07-23 13:43:22,415 INFO L134 CoverageAnalysis]: Checked inductivity of 23653 backedges. 0 proven. 23653 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2018-07-23 13:43:22,415 INFO L450 AbstractCegarLoop]: Interpolant automaton has 220 states [2018-07-23 13:43:22,417 INFO L132 InterpolantAutomaton]: Constructing interpolant automaton starting with 220 interpolants. [2018-07-23 13:43:22,418 INFO L133 InterpolantAutomaton]: CoverageRelationStatistics Valid=24090, Invalid=24090, Unknown=0, NotChecked=0, Total=48180 [2018-07-23 13:43:22,419 INFO L87 Difference]: Start difference. First operand 221 states and 221 transitions. Second operand 220 states. [2018-07-23 13:43:23,202 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2018-07-23 13:43:23,203 INFO L93 Difference]: Finished difference Result 224 states and 224 transitions. [2018-07-23 13:43:23,203 INFO L142 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 220 states. [2018-07-23 13:43:23,203 INFO L78 Accepts]: Start accepts. Automaton has 220 states. Word has length 220 [2018-07-23 13:43:23,203 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2018-07-23 13:43:23,203 INFO L225 Difference]: With dead ends: 224 [2018-07-23 13:43:23,203 INFO L226 Difference]: Without dead ends: 222 [2018-07-23 13:43:23,205 INFO L575 BasicCegarLoop]: 0 DeclaredPredicates, 219 GetRequests, 1 SyntacticMatches, 0 SemanticMatches, 218 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 0 ImplicationChecksByTransitivity, 1.0s TimeCoverageRelationStatistics Valid=24090, Invalid=24090, Unknown=0, NotChecked=0, Total=48180 [2018-07-23 13:43:23,205 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 222 states. [2018-07-23 13:43:23,207 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 222 to 222. [2018-07-23 13:43:23,207 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 222 states. [2018-07-23 13:43:23,207 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 222 states to 222 states and 222 transitions. [2018-07-23 13:43:23,207 INFO L78 Accepts]: Start accepts. Automaton has 222 states and 222 transitions. Word has length 220 [2018-07-23 13:43:23,208 INFO L84 Accepts]: Finished accepts. word is rejected. [2018-07-23 13:43:23,208 INFO L471 AbstractCegarLoop]: Abstraction has 222 states and 222 transitions. [2018-07-23 13:43:23,208 INFO L472 AbstractCegarLoop]: Interpolant automaton has 220 states. [2018-07-23 13:43:23,208 INFO L276 IsEmpty]: Start isEmpty. Operand 222 states and 222 transitions. [2018-07-23 13:43:23,208 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 222 [2018-07-23 13:43:23,208 INFO L349 BasicCegarLoop]: Found error trace [2018-07-23 13:43:23,208 INFO L357 BasicCegarLoop]: trace histogram [218, 1, 1, 1] [2018-07-23 13:43:23,208 INFO L414 AbstractCegarLoop]: === Iteration 219 === [ULTIMATE.startErr0AssertViolationASSERT]=== [2018-07-23 13:43:23,209 INFO L82 PathProgramCache]: Analyzing trace with hash -1862119263, now seen corresponding path program 218 times [2018-07-23 13:43:23,209 INFO L69 tionRefinementEngine]: Using refinement strategy FixedRefinementStrategy [2018-07-23 13:43:23,320 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-07-23 13:43:24,430 INFO L134 CoverageAnalysis]: Checked inductivity of 23871 backedges. 0 proven. 23871 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2018-07-23 13:43:24,430 INFO L309 seRefinementStrategy]: Constructing automaton from 0 perfect and 1 imperfect interpolant sequences. [2018-07-23 13:43:24,430 INFO L324 seRefinementStrategy]: Number of different interpolants: perfect sequences [] imperfect sequences [220] total 220 [2018-07-23 13:43:24,430 INFO L142 lantAutomatonBuilder]: Constructing canonical interpolant automaton, with selfloop in false state [2018-07-23 13:43:24,431 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2018-07-23 13:43:24,431 INFO L185 omatonBuilderFactory]: Interpolants [124161#true, 124163#(<= ULTIMATE.start_main_~k~5 0), 124162#false, 124165#(<= ULTIMATE.start_main_~k~5 2), 124164#(<= ULTIMATE.start_main_~k~5 1), 124167#(<= ULTIMATE.start_main_~k~5 4), 124166#(<= ULTIMATE.start_main_~k~5 3), 124169#(<= ULTIMATE.start_main_~k~5 6), 124168#(<= ULTIMATE.start_main_~k~5 5), 124171#(<= ULTIMATE.start_main_~k~5 8), 124170#(<= ULTIMATE.start_main_~k~5 7), 124173#(<= ULTIMATE.start_main_~k~5 10), 124172#(<= ULTIMATE.start_main_~k~5 9), 124175#(<= ULTIMATE.start_main_~k~5 12), 124174#(<= ULTIMATE.start_main_~k~5 11), 124177#(<= ULTIMATE.start_main_~k~5 14), 124176#(<= ULTIMATE.start_main_~k~5 13), 124179#(<= ULTIMATE.start_main_~k~5 16), 124178#(<= ULTIMATE.start_main_~k~5 15), 124181#(<= ULTIMATE.start_main_~k~5 18), 124180#(<= ULTIMATE.start_main_~k~5 17), 124183#(<= ULTIMATE.start_main_~k~5 20), 124182#(<= ULTIMATE.start_main_~k~5 19), 124185#(<= ULTIMATE.start_main_~k~5 22), 124184#(<= ULTIMATE.start_main_~k~5 21), 124187#(<= ULTIMATE.start_main_~k~5 24), 124186#(<= ULTIMATE.start_main_~k~5 23), 124189#(<= ULTIMATE.start_main_~k~5 26), 124188#(<= ULTIMATE.start_main_~k~5 25), 124191#(<= ULTIMATE.start_main_~k~5 28), 124190#(<= ULTIMATE.start_main_~k~5 27), 124193#(<= ULTIMATE.start_main_~k~5 30), 124192#(<= ULTIMATE.start_main_~k~5 29), 124195#(<= ULTIMATE.start_main_~k~5 32), 124194#(<= ULTIMATE.start_main_~k~5 31), 124197#(<= ULTIMATE.start_main_~k~5 34), 124196#(<= ULTIMATE.start_main_~k~5 33), 124199#(<= ULTIMATE.start_main_~k~5 36), 124198#(<= ULTIMATE.start_main_~k~5 35), 124201#(<= ULTIMATE.start_main_~k~5 38), 124200#(<= ULTIMATE.start_main_~k~5 37), 124203#(<= ULTIMATE.start_main_~k~5 40), 124202#(<= ULTIMATE.start_main_~k~5 39), 124205#(<= ULTIMATE.start_main_~k~5 42), 124204#(<= ULTIMATE.start_main_~k~5 41), 124207#(<= ULTIMATE.start_main_~k~5 44), 124206#(<= ULTIMATE.start_main_~k~5 43), 124209#(<= ULTIMATE.start_main_~k~5 46), 124208#(<= ULTIMATE.start_main_~k~5 45), 124211#(<= ULTIMATE.start_main_~k~5 48), 124210#(<= ULTIMATE.start_main_~k~5 47), 124213#(<= ULTIMATE.start_main_~k~5 50), 124212#(<= ULTIMATE.start_main_~k~5 49), 124215#(<= ULTIMATE.start_main_~k~5 52), 124214#(<= ULTIMATE.start_main_~k~5 51), 124217#(<= ULTIMATE.start_main_~k~5 54), 124216#(<= ULTIMATE.start_main_~k~5 53), 124219#(<= ULTIMATE.start_main_~k~5 56), 124218#(<= ULTIMATE.start_main_~k~5 55), 124221#(<= ULTIMATE.start_main_~k~5 58), 124220#(<= ULTIMATE.start_main_~k~5 57), 124223#(<= ULTIMATE.start_main_~k~5 60), 124222#(<= ULTIMATE.start_main_~k~5 59), 124225#(<= ULTIMATE.start_main_~k~5 62), 124224#(<= ULTIMATE.start_main_~k~5 61), 124227#(<= ULTIMATE.start_main_~k~5 64), 124226#(<= ULTIMATE.start_main_~k~5 63), 124229#(<= ULTIMATE.start_main_~k~5 66), 124228#(<= ULTIMATE.start_main_~k~5 65), 124231#(<= ULTIMATE.start_main_~k~5 68), 124230#(<= ULTIMATE.start_main_~k~5 67), 124233#(<= ULTIMATE.start_main_~k~5 70), 124232#(<= ULTIMATE.start_main_~k~5 69), 124235#(<= ULTIMATE.start_main_~k~5 72), 124234#(<= ULTIMATE.start_main_~k~5 71), 124237#(<= ULTIMATE.start_main_~k~5 74), 124236#(<= ULTIMATE.start_main_~k~5 73), 124239#(<= ULTIMATE.start_main_~k~5 76), 124238#(<= ULTIMATE.start_main_~k~5 75), 124241#(<= ULTIMATE.start_main_~k~5 78), 124240#(<= ULTIMATE.start_main_~k~5 77), 124243#(<= ULTIMATE.start_main_~k~5 80), 124242#(<= ULTIMATE.start_main_~k~5 79), 124245#(<= ULTIMATE.start_main_~k~5 82), 124244#(<= ULTIMATE.start_main_~k~5 81), 124247#(<= ULTIMATE.start_main_~k~5 84), 124246#(<= ULTIMATE.start_main_~k~5 83), 124249#(<= ULTIMATE.start_main_~k~5 86), 124248#(<= ULTIMATE.start_main_~k~5 85), 124251#(<= ULTIMATE.start_main_~k~5 88), 124250#(<= ULTIMATE.start_main_~k~5 87), 124253#(<= ULTIMATE.start_main_~k~5 90), 124252#(<= ULTIMATE.start_main_~k~5 89), 124255#(<= ULTIMATE.start_main_~k~5 92), 124254#(<= ULTIMATE.start_main_~k~5 91), 124257#(<= ULTIMATE.start_main_~k~5 94), 124256#(<= ULTIMATE.start_main_~k~5 93), 124259#(<= ULTIMATE.start_main_~k~5 96), 124258#(<= ULTIMATE.start_main_~k~5 95), 124261#(<= ULTIMATE.start_main_~k~5 98), 124260#(<= ULTIMATE.start_main_~k~5 97), 124263#(<= ULTIMATE.start_main_~k~5 100), 124262#(<= ULTIMATE.start_main_~k~5 99), 124265#(<= ULTIMATE.start_main_~k~5 102), 124264#(<= ULTIMATE.start_main_~k~5 101), 124267#(<= ULTIMATE.start_main_~k~5 104), 124266#(<= ULTIMATE.start_main_~k~5 103), 124269#(<= ULTIMATE.start_main_~k~5 106), 124268#(<= ULTIMATE.start_main_~k~5 105), 124271#(<= ULTIMATE.start_main_~k~5 108), 124270#(<= ULTIMATE.start_main_~k~5 107), 124273#(<= ULTIMATE.start_main_~k~5 110), 124272#(<= ULTIMATE.start_main_~k~5 109), 124275#(<= ULTIMATE.start_main_~k~5 112), 124274#(<= ULTIMATE.start_main_~k~5 111), 124277#(<= ULTIMATE.start_main_~k~5 114), 124276#(<= ULTIMATE.start_main_~k~5 113), 124279#(<= ULTIMATE.start_main_~k~5 116), 124278#(<= ULTIMATE.start_main_~k~5 115), 124281#(<= ULTIMATE.start_main_~k~5 118), 124280#(<= ULTIMATE.start_main_~k~5 117), 124283#(<= ULTIMATE.start_main_~k~5 120), 124282#(<= ULTIMATE.start_main_~k~5 119), 124285#(<= ULTIMATE.start_main_~k~5 122), 124284#(<= ULTIMATE.start_main_~k~5 121), 124287#(<= ULTIMATE.start_main_~k~5 124), 124286#(<= ULTIMATE.start_main_~k~5 123), 124289#(<= ULTIMATE.start_main_~k~5 126), 124288#(<= ULTIMATE.start_main_~k~5 125), 124291#(<= ULTIMATE.start_main_~k~5 128), 124290#(<= ULTIMATE.start_main_~k~5 127), 124293#(<= ULTIMATE.start_main_~k~5 130), 124292#(<= ULTIMATE.start_main_~k~5 129), 124295#(<= ULTIMATE.start_main_~k~5 132), 124294#(<= ULTIMATE.start_main_~k~5 131), 124297#(<= ULTIMATE.start_main_~k~5 134), 124296#(<= ULTIMATE.start_main_~k~5 133), 124299#(<= ULTIMATE.start_main_~k~5 136), 124298#(<= ULTIMATE.start_main_~k~5 135), 124301#(<= ULTIMATE.start_main_~k~5 138), 124300#(<= ULTIMATE.start_main_~k~5 137), 124303#(<= ULTIMATE.start_main_~k~5 140), 124302#(<= ULTIMATE.start_main_~k~5 139), 124305#(<= ULTIMATE.start_main_~k~5 142), 124304#(<= ULTIMATE.start_main_~k~5 141), 124307#(<= ULTIMATE.start_main_~k~5 144), 124306#(<= ULTIMATE.start_main_~k~5 143), 124309#(<= ULTIMATE.start_main_~k~5 146), 124308#(<= ULTIMATE.start_main_~k~5 145), 124311#(<= ULTIMATE.start_main_~k~5 148), 124310#(<= ULTIMATE.start_main_~k~5 147), 124313#(<= ULTIMATE.start_main_~k~5 150), 124312#(<= ULTIMATE.start_main_~k~5 149), 124315#(<= ULTIMATE.start_main_~k~5 152), 124314#(<= ULTIMATE.start_main_~k~5 151), 124317#(<= ULTIMATE.start_main_~k~5 154), 124316#(<= ULTIMATE.start_main_~k~5 153), 124319#(<= ULTIMATE.start_main_~k~5 156), 124318#(<= ULTIMATE.start_main_~k~5 155), 124321#(<= ULTIMATE.start_main_~k~5 158), 124320#(<= ULTIMATE.start_main_~k~5 157), 124323#(<= ULTIMATE.start_main_~k~5 160), 124322#(<= ULTIMATE.start_main_~k~5 159), 124325#(<= ULTIMATE.start_main_~k~5 162), 124324#(<= ULTIMATE.start_main_~k~5 161), 124327#(<= ULTIMATE.start_main_~k~5 164), 124326#(<= ULTIMATE.start_main_~k~5 163), 124329#(<= ULTIMATE.start_main_~k~5 166), 124328#(<= ULTIMATE.start_main_~k~5 165), 124331#(<= ULTIMATE.start_main_~k~5 168), 124330#(<= ULTIMATE.start_main_~k~5 167), 124333#(<= ULTIMATE.start_main_~k~5 170), 124332#(<= ULTIMATE.start_main_~k~5 169), 124335#(<= ULTIMATE.start_main_~k~5 172), 124334#(<= ULTIMATE.start_main_~k~5 171), 124337#(<= ULTIMATE.start_main_~k~5 174), 124336#(<= ULTIMATE.start_main_~k~5 173), 124339#(<= ULTIMATE.start_main_~k~5 176), 124338#(<= ULTIMATE.start_main_~k~5 175), 124341#(<= ULTIMATE.start_main_~k~5 178), 124340#(<= ULTIMATE.start_main_~k~5 177), 124343#(<= ULTIMATE.start_main_~k~5 180), 124342#(<= ULTIMATE.start_main_~k~5 179), 124345#(<= ULTIMATE.start_main_~k~5 182), 124344#(<= ULTIMATE.start_main_~k~5 181), 124347#(<= ULTIMATE.start_main_~k~5 184), 124346#(<= ULTIMATE.start_main_~k~5 183), 124349#(<= ULTIMATE.start_main_~k~5 186), 124348#(<= ULTIMATE.start_main_~k~5 185), 124351#(<= ULTIMATE.start_main_~k~5 188), 124350#(<= ULTIMATE.start_main_~k~5 187), 124353#(<= ULTIMATE.start_main_~k~5 190), 124352#(<= ULTIMATE.start_main_~k~5 189), 124355#(<= ULTIMATE.start_main_~k~5 192), 124354#(<= ULTIMATE.start_main_~k~5 191), 124357#(<= ULTIMATE.start_main_~k~5 194), 124356#(<= ULTIMATE.start_main_~k~5 193), 124359#(<= ULTIMATE.start_main_~k~5 196), 124358#(<= ULTIMATE.start_main_~k~5 195), 124361#(<= ULTIMATE.start_main_~k~5 198), 124360#(<= ULTIMATE.start_main_~k~5 197), 124363#(<= ULTIMATE.start_main_~k~5 200), 124362#(<= ULTIMATE.start_main_~k~5 199), 124365#(<= ULTIMATE.start_main_~k~5 202), 124364#(<= ULTIMATE.start_main_~k~5 201), 124367#(<= ULTIMATE.start_main_~k~5 204), 124366#(<= ULTIMATE.start_main_~k~5 203), 124369#(<= ULTIMATE.start_main_~k~5 206), 124368#(<= ULTIMATE.start_main_~k~5 205), 124371#(<= ULTIMATE.start_main_~k~5 208), 124370#(<= ULTIMATE.start_main_~k~5 207), 124373#(<= ULTIMATE.start_main_~k~5 210), 124372#(<= ULTIMATE.start_main_~k~5 209), 124375#(<= ULTIMATE.start_main_~k~5 212), 124374#(<= ULTIMATE.start_main_~k~5 211), 124377#(<= ULTIMATE.start_main_~k~5 214), 124376#(<= ULTIMATE.start_main_~k~5 213), 124379#(<= ULTIMATE.start_main_~k~5 216), 124378#(<= ULTIMATE.start_main_~k~5 215), 124381#(<= ULTIMATE.start_main_~k~5 218), 124380#(<= ULTIMATE.start_main_~k~5 217)] [2018-07-23 13:43:24,432 INFO L134 CoverageAnalysis]: Checked inductivity of 23871 backedges. 0 proven. 23871 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2018-07-23 13:43:24,432 INFO L450 AbstractCegarLoop]: Interpolant automaton has 221 states [2018-07-23 13:43:24,436 INFO L132 InterpolantAutomaton]: Constructing interpolant automaton starting with 221 interpolants. [2018-07-23 13:43:24,437 INFO L133 InterpolantAutomaton]: CoverageRelationStatistics Valid=24310, Invalid=24310, Unknown=0, NotChecked=0, Total=48620 [2018-07-23 13:43:24,437 INFO L87 Difference]: Start difference. First operand 222 states and 222 transitions. Second operand 221 states. [2018-07-23 13:43:25,948 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2018-07-23 13:43:25,948 INFO L93 Difference]: Finished difference Result 225 states and 225 transitions. [2018-07-23 13:43:25,948 INFO L142 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 221 states. [2018-07-23 13:43:25,949 INFO L78 Accepts]: Start accepts. Automaton has 221 states. Word has length 221 [2018-07-23 13:43:25,949 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2018-07-23 13:43:25,949 INFO L225 Difference]: With dead ends: 225 [2018-07-23 13:43:25,949 INFO L226 Difference]: Without dead ends: 223 [2018-07-23 13:43:25,952 INFO L575 BasicCegarLoop]: 0 DeclaredPredicates, 220 GetRequests, 1 SyntacticMatches, 0 SemanticMatches, 219 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 0 ImplicationChecksByTransitivity, 0.9s TimeCoverageRelationStatistics Valid=24310, Invalid=24310, Unknown=0, NotChecked=0, Total=48620 [2018-07-23 13:43:25,952 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 223 states. [2018-07-23 13:43:25,954 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 223 to 223. [2018-07-23 13:43:25,954 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 223 states. [2018-07-23 13:43:25,954 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 223 states to 223 states and 223 transitions. [2018-07-23 13:43:25,954 INFO L78 Accepts]: Start accepts. Automaton has 223 states and 223 transitions. Word has length 221 [2018-07-23 13:43:25,955 INFO L84 Accepts]: Finished accepts. word is rejected. [2018-07-23 13:43:25,955 INFO L471 AbstractCegarLoop]: Abstraction has 223 states and 223 transitions. [2018-07-23 13:43:25,955 INFO L472 AbstractCegarLoop]: Interpolant automaton has 221 states. [2018-07-23 13:43:25,955 INFO L276 IsEmpty]: Start isEmpty. Operand 223 states and 223 transitions. [2018-07-23 13:43:25,955 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 223 [2018-07-23 13:43:25,955 INFO L349 BasicCegarLoop]: Found error trace [2018-07-23 13:43:25,955 INFO L357 BasicCegarLoop]: trace histogram [219, 1, 1, 1] [2018-07-23 13:43:25,955 INFO L414 AbstractCegarLoop]: === Iteration 220 === [ULTIMATE.startErr0AssertViolationASSERT]=== [2018-07-23 13:43:25,956 INFO L82 PathProgramCache]: Analyzing trace with hash -1891124280, now seen corresponding path program 219 times [2018-07-23 13:43:25,956 INFO L69 tionRefinementEngine]: Using refinement strategy FixedRefinementStrategy [2018-07-23 13:43:26,073 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-07-23 13:43:27,291 INFO L134 CoverageAnalysis]: Checked inductivity of 24090 backedges. 0 proven. 24090 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2018-07-23 13:43:27,292 INFO L309 seRefinementStrategy]: Constructing automaton from 0 perfect and 1 imperfect interpolant sequences. [2018-07-23 13:43:27,292 INFO L324 seRefinementStrategy]: Number of different interpolants: perfect sequences [] imperfect sequences [221] total 221 [2018-07-23 13:43:27,292 INFO L142 lantAutomatonBuilder]: Constructing canonical interpolant automaton, with selfloop in false state [2018-07-23 13:43:27,292 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2018-07-23 13:43:27,293 INFO L185 omatonBuilderFactory]: Interpolants [125441#(<= ULTIMATE.start_main_~k~5 161), 125440#(<= ULTIMATE.start_main_~k~5 160), 125443#(<= ULTIMATE.start_main_~k~5 163), 125442#(<= ULTIMATE.start_main_~k~5 162), 125445#(<= ULTIMATE.start_main_~k~5 165), 125444#(<= ULTIMATE.start_main_~k~5 164), 125447#(<= ULTIMATE.start_main_~k~5 167), 125446#(<= ULTIMATE.start_main_~k~5 166), 125449#(<= ULTIMATE.start_main_~k~5 169), 125448#(<= ULTIMATE.start_main_~k~5 168), 125451#(<= ULTIMATE.start_main_~k~5 171), 125450#(<= ULTIMATE.start_main_~k~5 170), 125453#(<= ULTIMATE.start_main_~k~5 173), 125452#(<= ULTIMATE.start_main_~k~5 172), 125455#(<= ULTIMATE.start_main_~k~5 175), 125454#(<= ULTIMATE.start_main_~k~5 174), 125457#(<= ULTIMATE.start_main_~k~5 177), 125456#(<= ULTIMATE.start_main_~k~5 176), 125459#(<= ULTIMATE.start_main_~k~5 179), 125458#(<= ULTIMATE.start_main_~k~5 178), 125461#(<= ULTIMATE.start_main_~k~5 181), 125460#(<= ULTIMATE.start_main_~k~5 180), 125463#(<= ULTIMATE.start_main_~k~5 183), 125462#(<= ULTIMATE.start_main_~k~5 182), 125465#(<= ULTIMATE.start_main_~k~5 185), 125464#(<= ULTIMATE.start_main_~k~5 184), 125467#(<= ULTIMATE.start_main_~k~5 187), 125466#(<= ULTIMATE.start_main_~k~5 186), 125469#(<= ULTIMATE.start_main_~k~5 189), 125468#(<= ULTIMATE.start_main_~k~5 188), 125471#(<= ULTIMATE.start_main_~k~5 191), 125470#(<= ULTIMATE.start_main_~k~5 190), 125473#(<= ULTIMATE.start_main_~k~5 193), 125472#(<= ULTIMATE.start_main_~k~5 192), 125475#(<= ULTIMATE.start_main_~k~5 195), 125474#(<= ULTIMATE.start_main_~k~5 194), 125477#(<= ULTIMATE.start_main_~k~5 197), 125476#(<= ULTIMATE.start_main_~k~5 196), 125479#(<= ULTIMATE.start_main_~k~5 199), 125478#(<= ULTIMATE.start_main_~k~5 198), 125481#(<= ULTIMATE.start_main_~k~5 201), 125480#(<= ULTIMATE.start_main_~k~5 200), 125483#(<= ULTIMATE.start_main_~k~5 203), 125482#(<= ULTIMATE.start_main_~k~5 202), 125485#(<= ULTIMATE.start_main_~k~5 205), 125484#(<= ULTIMATE.start_main_~k~5 204), 125487#(<= ULTIMATE.start_main_~k~5 207), 125486#(<= ULTIMATE.start_main_~k~5 206), 125489#(<= ULTIMATE.start_main_~k~5 209), 125488#(<= ULTIMATE.start_main_~k~5 208), 125491#(<= ULTIMATE.start_main_~k~5 211), 125490#(<= ULTIMATE.start_main_~k~5 210), 125493#(<= ULTIMATE.start_main_~k~5 213), 125492#(<= ULTIMATE.start_main_~k~5 212), 125495#(<= ULTIMATE.start_main_~k~5 215), 125494#(<= ULTIMATE.start_main_~k~5 214), 125497#(<= ULTIMATE.start_main_~k~5 217), 125496#(<= ULTIMATE.start_main_~k~5 216), 125499#(<= ULTIMATE.start_main_~k~5 219), 125498#(<= ULTIMATE.start_main_~k~5 218), 125279#false, 125278#true, 125281#(<= ULTIMATE.start_main_~k~5 1), 125280#(<= ULTIMATE.start_main_~k~5 0), 125283#(<= ULTIMATE.start_main_~k~5 3), 125282#(<= ULTIMATE.start_main_~k~5 2), 125285#(<= ULTIMATE.start_main_~k~5 5), 125284#(<= ULTIMATE.start_main_~k~5 4), 125287#(<= ULTIMATE.start_main_~k~5 7), 125286#(<= ULTIMATE.start_main_~k~5 6), 125289#(<= ULTIMATE.start_main_~k~5 9), 125288#(<= ULTIMATE.start_main_~k~5 8), 125291#(<= ULTIMATE.start_main_~k~5 11), 125290#(<= ULTIMATE.start_main_~k~5 10), 125293#(<= ULTIMATE.start_main_~k~5 13), 125292#(<= ULTIMATE.start_main_~k~5 12), 125295#(<= ULTIMATE.start_main_~k~5 15), 125294#(<= ULTIMATE.start_main_~k~5 14), 125297#(<= ULTIMATE.start_main_~k~5 17), 125296#(<= ULTIMATE.start_main_~k~5 16), 125299#(<= ULTIMATE.start_main_~k~5 19), 125298#(<= ULTIMATE.start_main_~k~5 18), 125301#(<= ULTIMATE.start_main_~k~5 21), 125300#(<= ULTIMATE.start_main_~k~5 20), 125303#(<= ULTIMATE.start_main_~k~5 23), 125302#(<= ULTIMATE.start_main_~k~5 22), 125305#(<= ULTIMATE.start_main_~k~5 25), 125304#(<= ULTIMATE.start_main_~k~5 24), 125307#(<= ULTIMATE.start_main_~k~5 27), 125306#(<= ULTIMATE.start_main_~k~5 26), 125309#(<= ULTIMATE.start_main_~k~5 29), 125308#(<= ULTIMATE.start_main_~k~5 28), 125311#(<= ULTIMATE.start_main_~k~5 31), 125310#(<= ULTIMATE.start_main_~k~5 30), 125313#(<= ULTIMATE.start_main_~k~5 33), 125312#(<= ULTIMATE.start_main_~k~5 32), 125315#(<= ULTIMATE.start_main_~k~5 35), 125314#(<= ULTIMATE.start_main_~k~5 34), 125317#(<= ULTIMATE.start_main_~k~5 37), 125316#(<= ULTIMATE.start_main_~k~5 36), 125319#(<= ULTIMATE.start_main_~k~5 39), 125318#(<= ULTIMATE.start_main_~k~5 38), 125321#(<= ULTIMATE.start_main_~k~5 41), 125320#(<= ULTIMATE.start_main_~k~5 40), 125323#(<= ULTIMATE.start_main_~k~5 43), 125322#(<= ULTIMATE.start_main_~k~5 42), 125325#(<= ULTIMATE.start_main_~k~5 45), 125324#(<= ULTIMATE.start_main_~k~5 44), 125327#(<= ULTIMATE.start_main_~k~5 47), 125326#(<= ULTIMATE.start_main_~k~5 46), 125329#(<= ULTIMATE.start_main_~k~5 49), 125328#(<= ULTIMATE.start_main_~k~5 48), 125331#(<= ULTIMATE.start_main_~k~5 51), 125330#(<= ULTIMATE.start_main_~k~5 50), 125333#(<= ULTIMATE.start_main_~k~5 53), 125332#(<= ULTIMATE.start_main_~k~5 52), 125335#(<= ULTIMATE.start_main_~k~5 55), 125334#(<= ULTIMATE.start_main_~k~5 54), 125337#(<= ULTIMATE.start_main_~k~5 57), 125336#(<= ULTIMATE.start_main_~k~5 56), 125339#(<= ULTIMATE.start_main_~k~5 59), 125338#(<= ULTIMATE.start_main_~k~5 58), 125341#(<= ULTIMATE.start_main_~k~5 61), 125340#(<= ULTIMATE.start_main_~k~5 60), 125343#(<= ULTIMATE.start_main_~k~5 63), 125342#(<= ULTIMATE.start_main_~k~5 62), 125345#(<= ULTIMATE.start_main_~k~5 65), 125344#(<= ULTIMATE.start_main_~k~5 64), 125347#(<= ULTIMATE.start_main_~k~5 67), 125346#(<= ULTIMATE.start_main_~k~5 66), 125349#(<= ULTIMATE.start_main_~k~5 69), 125348#(<= ULTIMATE.start_main_~k~5 68), 125351#(<= ULTIMATE.start_main_~k~5 71), 125350#(<= ULTIMATE.start_main_~k~5 70), 125353#(<= ULTIMATE.start_main_~k~5 73), 125352#(<= ULTIMATE.start_main_~k~5 72), 125355#(<= ULTIMATE.start_main_~k~5 75), 125354#(<= ULTIMATE.start_main_~k~5 74), 125357#(<= ULTIMATE.start_main_~k~5 77), 125356#(<= ULTIMATE.start_main_~k~5 76), 125359#(<= ULTIMATE.start_main_~k~5 79), 125358#(<= ULTIMATE.start_main_~k~5 78), 125361#(<= ULTIMATE.start_main_~k~5 81), 125360#(<= ULTIMATE.start_main_~k~5 80), 125363#(<= ULTIMATE.start_main_~k~5 83), 125362#(<= ULTIMATE.start_main_~k~5 82), 125365#(<= ULTIMATE.start_main_~k~5 85), 125364#(<= ULTIMATE.start_main_~k~5 84), 125367#(<= ULTIMATE.start_main_~k~5 87), 125366#(<= ULTIMATE.start_main_~k~5 86), 125369#(<= ULTIMATE.start_main_~k~5 89), 125368#(<= ULTIMATE.start_main_~k~5 88), 125371#(<= ULTIMATE.start_main_~k~5 91), 125370#(<= ULTIMATE.start_main_~k~5 90), 125373#(<= ULTIMATE.start_main_~k~5 93), 125372#(<= ULTIMATE.start_main_~k~5 92), 125375#(<= ULTIMATE.start_main_~k~5 95), 125374#(<= ULTIMATE.start_main_~k~5 94), 125377#(<= ULTIMATE.start_main_~k~5 97), 125376#(<= ULTIMATE.start_main_~k~5 96), 125379#(<= ULTIMATE.start_main_~k~5 99), 125378#(<= ULTIMATE.start_main_~k~5 98), 125381#(<= ULTIMATE.start_main_~k~5 101), 125380#(<= ULTIMATE.start_main_~k~5 100), 125383#(<= ULTIMATE.start_main_~k~5 103), 125382#(<= ULTIMATE.start_main_~k~5 102), 125385#(<= ULTIMATE.start_main_~k~5 105), 125384#(<= ULTIMATE.start_main_~k~5 104), 125387#(<= ULTIMATE.start_main_~k~5 107), 125386#(<= ULTIMATE.start_main_~k~5 106), 125389#(<= ULTIMATE.start_main_~k~5 109), 125388#(<= ULTIMATE.start_main_~k~5 108), 125391#(<= ULTIMATE.start_main_~k~5 111), 125390#(<= ULTIMATE.start_main_~k~5 110), 125393#(<= ULTIMATE.start_main_~k~5 113), 125392#(<= ULTIMATE.start_main_~k~5 112), 125395#(<= ULTIMATE.start_main_~k~5 115), 125394#(<= ULTIMATE.start_main_~k~5 114), 125397#(<= ULTIMATE.start_main_~k~5 117), 125396#(<= ULTIMATE.start_main_~k~5 116), 125399#(<= ULTIMATE.start_main_~k~5 119), 125398#(<= ULTIMATE.start_main_~k~5 118), 125401#(<= ULTIMATE.start_main_~k~5 121), 125400#(<= ULTIMATE.start_main_~k~5 120), 125403#(<= ULTIMATE.start_main_~k~5 123), 125402#(<= ULTIMATE.start_main_~k~5 122), 125405#(<= ULTIMATE.start_main_~k~5 125), 125404#(<= ULTIMATE.start_main_~k~5 124), 125407#(<= ULTIMATE.start_main_~k~5 127), 125406#(<= ULTIMATE.start_main_~k~5 126), 125409#(<= ULTIMATE.start_main_~k~5 129), 125408#(<= ULTIMATE.start_main_~k~5 128), 125411#(<= ULTIMATE.start_main_~k~5 131), 125410#(<= ULTIMATE.start_main_~k~5 130), 125413#(<= ULTIMATE.start_main_~k~5 133), 125412#(<= ULTIMATE.start_main_~k~5 132), 125415#(<= ULTIMATE.start_main_~k~5 135), 125414#(<= ULTIMATE.start_main_~k~5 134), 125417#(<= ULTIMATE.start_main_~k~5 137), 125416#(<= ULTIMATE.start_main_~k~5 136), 125419#(<= ULTIMATE.start_main_~k~5 139), 125418#(<= ULTIMATE.start_main_~k~5 138), 125421#(<= ULTIMATE.start_main_~k~5 141), 125420#(<= ULTIMATE.start_main_~k~5 140), 125423#(<= ULTIMATE.start_main_~k~5 143), 125422#(<= ULTIMATE.start_main_~k~5 142), 125425#(<= ULTIMATE.start_main_~k~5 145), 125424#(<= ULTIMATE.start_main_~k~5 144), 125427#(<= ULTIMATE.start_main_~k~5 147), 125426#(<= ULTIMATE.start_main_~k~5 146), 125429#(<= ULTIMATE.start_main_~k~5 149), 125428#(<= ULTIMATE.start_main_~k~5 148), 125431#(<= ULTIMATE.start_main_~k~5 151), 125430#(<= ULTIMATE.start_main_~k~5 150), 125433#(<= ULTIMATE.start_main_~k~5 153), 125432#(<= ULTIMATE.start_main_~k~5 152), 125435#(<= ULTIMATE.start_main_~k~5 155), 125434#(<= ULTIMATE.start_main_~k~5 154), 125437#(<= ULTIMATE.start_main_~k~5 157), 125436#(<= ULTIMATE.start_main_~k~5 156), 125439#(<= ULTIMATE.start_main_~k~5 159), 125438#(<= ULTIMATE.start_main_~k~5 158)] [2018-07-23 13:43:27,294 INFO L134 CoverageAnalysis]: Checked inductivity of 24090 backedges. 0 proven. 24090 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2018-07-23 13:43:27,294 INFO L450 AbstractCegarLoop]: Interpolant automaton has 222 states [2018-07-23 13:43:27,296 INFO L132 InterpolantAutomaton]: Constructing interpolant automaton starting with 222 interpolants. [2018-07-23 13:43:27,297 INFO L133 InterpolantAutomaton]: CoverageRelationStatistics Valid=24531, Invalid=24531, Unknown=0, NotChecked=0, Total=49062 [2018-07-23 13:43:27,297 INFO L87 Difference]: Start difference. First operand 223 states and 223 transitions. Second operand 222 states. [2018-07-23 13:43:27,832 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2018-07-23 13:43:27,833 INFO L93 Difference]: Finished difference Result 226 states and 226 transitions. [2018-07-23 13:43:27,833 INFO L142 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 222 states. [2018-07-23 13:43:27,833 INFO L78 Accepts]: Start accepts. Automaton has 222 states. Word has length 222 [2018-07-23 13:43:27,833 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2018-07-23 13:43:27,833 INFO L225 Difference]: With dead ends: 226 [2018-07-23 13:43:27,833 INFO L226 Difference]: Without dead ends: 224 [2018-07-23 13:43:27,834 INFO L575 BasicCegarLoop]: 0 DeclaredPredicates, 221 GetRequests, 1 SyntacticMatches, 0 SemanticMatches, 220 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 0 ImplicationChecksByTransitivity, 1.0s TimeCoverageRelationStatistics Valid=24531, Invalid=24531, Unknown=0, NotChecked=0, Total=49062 [2018-07-23 13:43:27,835 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 224 states. [2018-07-23 13:43:27,838 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 224 to 224. [2018-07-23 13:43:27,838 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 224 states. [2018-07-23 13:43:27,838 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 224 states to 224 states and 224 transitions. [2018-07-23 13:43:27,838 INFO L78 Accepts]: Start accepts. Automaton has 224 states and 224 transitions. Word has length 222 [2018-07-23 13:43:27,839 INFO L84 Accepts]: Finished accepts. word is rejected. [2018-07-23 13:43:27,839 INFO L471 AbstractCegarLoop]: Abstraction has 224 states and 224 transitions. [2018-07-23 13:43:27,839 INFO L472 AbstractCegarLoop]: Interpolant automaton has 222 states. [2018-07-23 13:43:27,839 INFO L276 IsEmpty]: Start isEmpty. Operand 224 states and 224 transitions. [2018-07-23 13:43:27,840 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 224 [2018-07-23 13:43:27,840 INFO L349 BasicCegarLoop]: Found error trace [2018-07-23 13:43:27,840 INFO L357 BasicCegarLoop]: trace histogram [220, 1, 1, 1] [2018-07-23 13:43:27,840 INFO L414 AbstractCegarLoop]: === Iteration 221 === [ULTIMATE.startErr0AssertViolationASSERT]=== [2018-07-23 13:43:27,840 INFO L82 PathProgramCache]: Analyzing trace with hash 1504687489, now seen corresponding path program 220 times [2018-07-23 13:43:27,840 INFO L69 tionRefinementEngine]: Using refinement strategy FixedRefinementStrategy [2018-07-23 13:43:28,054 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-07-23 13:43:29,201 INFO L134 CoverageAnalysis]: Checked inductivity of 24310 backedges. 0 proven. 24310 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2018-07-23 13:43:29,201 INFO L309 seRefinementStrategy]: Constructing automaton from 0 perfect and 1 imperfect interpolant sequences. [2018-07-23 13:43:29,201 INFO L324 seRefinementStrategy]: Number of different interpolants: perfect sequences [] imperfect sequences [222] total 222 [2018-07-23 13:43:29,201 INFO L142 lantAutomatonBuilder]: Constructing canonical interpolant automaton, with selfloop in false state [2018-07-23 13:43:29,202 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2018-07-23 13:43:29,202 INFO L185 omatonBuilderFactory]: Interpolants [126465#(<= ULTIMATE.start_main_~k~5 63), 126464#(<= ULTIMATE.start_main_~k~5 62), 126467#(<= ULTIMATE.start_main_~k~5 65), 126466#(<= ULTIMATE.start_main_~k~5 64), 126469#(<= ULTIMATE.start_main_~k~5 67), 126468#(<= ULTIMATE.start_main_~k~5 66), 126471#(<= ULTIMATE.start_main_~k~5 69), 126470#(<= ULTIMATE.start_main_~k~5 68), 126473#(<= ULTIMATE.start_main_~k~5 71), 126472#(<= ULTIMATE.start_main_~k~5 70), 126475#(<= ULTIMATE.start_main_~k~5 73), 126474#(<= ULTIMATE.start_main_~k~5 72), 126477#(<= ULTIMATE.start_main_~k~5 75), 126476#(<= ULTIMATE.start_main_~k~5 74), 126479#(<= ULTIMATE.start_main_~k~5 77), 126478#(<= ULTIMATE.start_main_~k~5 76), 126481#(<= ULTIMATE.start_main_~k~5 79), 126480#(<= ULTIMATE.start_main_~k~5 78), 126483#(<= ULTIMATE.start_main_~k~5 81), 126482#(<= ULTIMATE.start_main_~k~5 80), 126485#(<= ULTIMATE.start_main_~k~5 83), 126484#(<= ULTIMATE.start_main_~k~5 82), 126487#(<= ULTIMATE.start_main_~k~5 85), 126486#(<= ULTIMATE.start_main_~k~5 84), 126489#(<= ULTIMATE.start_main_~k~5 87), 126488#(<= ULTIMATE.start_main_~k~5 86), 126491#(<= ULTIMATE.start_main_~k~5 89), 126490#(<= ULTIMATE.start_main_~k~5 88), 126493#(<= ULTIMATE.start_main_~k~5 91), 126492#(<= ULTIMATE.start_main_~k~5 90), 126495#(<= ULTIMATE.start_main_~k~5 93), 126494#(<= ULTIMATE.start_main_~k~5 92), 126497#(<= ULTIMATE.start_main_~k~5 95), 126496#(<= ULTIMATE.start_main_~k~5 94), 126499#(<= ULTIMATE.start_main_~k~5 97), 126498#(<= ULTIMATE.start_main_~k~5 96), 126501#(<= ULTIMATE.start_main_~k~5 99), 126500#(<= ULTIMATE.start_main_~k~5 98), 126503#(<= ULTIMATE.start_main_~k~5 101), 126502#(<= ULTIMATE.start_main_~k~5 100), 126505#(<= ULTIMATE.start_main_~k~5 103), 126504#(<= ULTIMATE.start_main_~k~5 102), 126507#(<= ULTIMATE.start_main_~k~5 105), 126506#(<= ULTIMATE.start_main_~k~5 104), 126509#(<= ULTIMATE.start_main_~k~5 107), 126508#(<= ULTIMATE.start_main_~k~5 106), 126511#(<= ULTIMATE.start_main_~k~5 109), 126510#(<= ULTIMATE.start_main_~k~5 108), 126513#(<= ULTIMATE.start_main_~k~5 111), 126512#(<= ULTIMATE.start_main_~k~5 110), 126515#(<= ULTIMATE.start_main_~k~5 113), 126514#(<= ULTIMATE.start_main_~k~5 112), 126517#(<= ULTIMATE.start_main_~k~5 115), 126516#(<= ULTIMATE.start_main_~k~5 114), 126519#(<= ULTIMATE.start_main_~k~5 117), 126518#(<= ULTIMATE.start_main_~k~5 116), 126521#(<= ULTIMATE.start_main_~k~5 119), 126520#(<= ULTIMATE.start_main_~k~5 118), 126523#(<= ULTIMATE.start_main_~k~5 121), 126522#(<= ULTIMATE.start_main_~k~5 120), 126525#(<= ULTIMATE.start_main_~k~5 123), 126524#(<= ULTIMATE.start_main_~k~5 122), 126527#(<= ULTIMATE.start_main_~k~5 125), 126526#(<= ULTIMATE.start_main_~k~5 124), 126529#(<= ULTIMATE.start_main_~k~5 127), 126528#(<= ULTIMATE.start_main_~k~5 126), 126531#(<= ULTIMATE.start_main_~k~5 129), 126530#(<= ULTIMATE.start_main_~k~5 128), 126533#(<= ULTIMATE.start_main_~k~5 131), 126532#(<= ULTIMATE.start_main_~k~5 130), 126535#(<= ULTIMATE.start_main_~k~5 133), 126534#(<= ULTIMATE.start_main_~k~5 132), 126537#(<= ULTIMATE.start_main_~k~5 135), 126536#(<= ULTIMATE.start_main_~k~5 134), 126539#(<= ULTIMATE.start_main_~k~5 137), 126538#(<= ULTIMATE.start_main_~k~5 136), 126541#(<= ULTIMATE.start_main_~k~5 139), 126540#(<= ULTIMATE.start_main_~k~5 138), 126543#(<= ULTIMATE.start_main_~k~5 141), 126542#(<= ULTIMATE.start_main_~k~5 140), 126545#(<= ULTIMATE.start_main_~k~5 143), 126544#(<= ULTIMATE.start_main_~k~5 142), 126547#(<= ULTIMATE.start_main_~k~5 145), 126546#(<= ULTIMATE.start_main_~k~5 144), 126549#(<= ULTIMATE.start_main_~k~5 147), 126548#(<= ULTIMATE.start_main_~k~5 146), 126551#(<= ULTIMATE.start_main_~k~5 149), 126550#(<= ULTIMATE.start_main_~k~5 148), 126553#(<= ULTIMATE.start_main_~k~5 151), 126552#(<= ULTIMATE.start_main_~k~5 150), 126555#(<= ULTIMATE.start_main_~k~5 153), 126554#(<= ULTIMATE.start_main_~k~5 152), 126557#(<= ULTIMATE.start_main_~k~5 155), 126556#(<= ULTIMATE.start_main_~k~5 154), 126559#(<= ULTIMATE.start_main_~k~5 157), 126558#(<= ULTIMATE.start_main_~k~5 156), 126561#(<= ULTIMATE.start_main_~k~5 159), 126560#(<= ULTIMATE.start_main_~k~5 158), 126563#(<= ULTIMATE.start_main_~k~5 161), 126562#(<= ULTIMATE.start_main_~k~5 160), 126565#(<= ULTIMATE.start_main_~k~5 163), 126564#(<= ULTIMATE.start_main_~k~5 162), 126567#(<= ULTIMATE.start_main_~k~5 165), 126566#(<= ULTIMATE.start_main_~k~5 164), 126569#(<= ULTIMATE.start_main_~k~5 167), 126568#(<= ULTIMATE.start_main_~k~5 166), 126571#(<= ULTIMATE.start_main_~k~5 169), 126570#(<= ULTIMATE.start_main_~k~5 168), 126573#(<= ULTIMATE.start_main_~k~5 171), 126572#(<= ULTIMATE.start_main_~k~5 170), 126575#(<= ULTIMATE.start_main_~k~5 173), 126574#(<= ULTIMATE.start_main_~k~5 172), 126577#(<= ULTIMATE.start_main_~k~5 175), 126576#(<= ULTIMATE.start_main_~k~5 174), 126579#(<= ULTIMATE.start_main_~k~5 177), 126578#(<= ULTIMATE.start_main_~k~5 176), 126581#(<= ULTIMATE.start_main_~k~5 179), 126580#(<= ULTIMATE.start_main_~k~5 178), 126583#(<= ULTIMATE.start_main_~k~5 181), 126582#(<= ULTIMATE.start_main_~k~5 180), 126585#(<= ULTIMATE.start_main_~k~5 183), 126584#(<= ULTIMATE.start_main_~k~5 182), 126587#(<= ULTIMATE.start_main_~k~5 185), 126586#(<= ULTIMATE.start_main_~k~5 184), 126589#(<= ULTIMATE.start_main_~k~5 187), 126588#(<= ULTIMATE.start_main_~k~5 186), 126591#(<= ULTIMATE.start_main_~k~5 189), 126590#(<= ULTIMATE.start_main_~k~5 188), 126593#(<= ULTIMATE.start_main_~k~5 191), 126592#(<= ULTIMATE.start_main_~k~5 190), 126595#(<= ULTIMATE.start_main_~k~5 193), 126594#(<= ULTIMATE.start_main_~k~5 192), 126597#(<= ULTIMATE.start_main_~k~5 195), 126596#(<= ULTIMATE.start_main_~k~5 194), 126599#(<= ULTIMATE.start_main_~k~5 197), 126598#(<= ULTIMATE.start_main_~k~5 196), 126601#(<= ULTIMATE.start_main_~k~5 199), 126600#(<= ULTIMATE.start_main_~k~5 198), 126603#(<= ULTIMATE.start_main_~k~5 201), 126602#(<= ULTIMATE.start_main_~k~5 200), 126605#(<= ULTIMATE.start_main_~k~5 203), 126604#(<= ULTIMATE.start_main_~k~5 202), 126607#(<= ULTIMATE.start_main_~k~5 205), 126606#(<= ULTIMATE.start_main_~k~5 204), 126609#(<= ULTIMATE.start_main_~k~5 207), 126608#(<= ULTIMATE.start_main_~k~5 206), 126611#(<= ULTIMATE.start_main_~k~5 209), 126610#(<= ULTIMATE.start_main_~k~5 208), 126613#(<= ULTIMATE.start_main_~k~5 211), 126612#(<= ULTIMATE.start_main_~k~5 210), 126615#(<= ULTIMATE.start_main_~k~5 213), 126614#(<= ULTIMATE.start_main_~k~5 212), 126617#(<= ULTIMATE.start_main_~k~5 215), 126616#(<= ULTIMATE.start_main_~k~5 214), 126619#(<= ULTIMATE.start_main_~k~5 217), 126618#(<= ULTIMATE.start_main_~k~5 216), 126621#(<= ULTIMATE.start_main_~k~5 219), 126620#(<= ULTIMATE.start_main_~k~5 218), 126622#(<= ULTIMATE.start_main_~k~5 220), 126401#false, 126400#true, 126403#(<= ULTIMATE.start_main_~k~5 1), 126402#(<= ULTIMATE.start_main_~k~5 0), 126405#(<= ULTIMATE.start_main_~k~5 3), 126404#(<= ULTIMATE.start_main_~k~5 2), 126407#(<= ULTIMATE.start_main_~k~5 5), 126406#(<= ULTIMATE.start_main_~k~5 4), 126409#(<= ULTIMATE.start_main_~k~5 7), 126408#(<= ULTIMATE.start_main_~k~5 6), 126411#(<= ULTIMATE.start_main_~k~5 9), 126410#(<= ULTIMATE.start_main_~k~5 8), 126413#(<= ULTIMATE.start_main_~k~5 11), 126412#(<= ULTIMATE.start_main_~k~5 10), 126415#(<= ULTIMATE.start_main_~k~5 13), 126414#(<= ULTIMATE.start_main_~k~5 12), 126417#(<= ULTIMATE.start_main_~k~5 15), 126416#(<= ULTIMATE.start_main_~k~5 14), 126419#(<= ULTIMATE.start_main_~k~5 17), 126418#(<= ULTIMATE.start_main_~k~5 16), 126421#(<= ULTIMATE.start_main_~k~5 19), 126420#(<= ULTIMATE.start_main_~k~5 18), 126423#(<= ULTIMATE.start_main_~k~5 21), 126422#(<= ULTIMATE.start_main_~k~5 20), 126425#(<= ULTIMATE.start_main_~k~5 23), 126424#(<= ULTIMATE.start_main_~k~5 22), 126427#(<= ULTIMATE.start_main_~k~5 25), 126426#(<= ULTIMATE.start_main_~k~5 24), 126429#(<= ULTIMATE.start_main_~k~5 27), 126428#(<= ULTIMATE.start_main_~k~5 26), 126431#(<= ULTIMATE.start_main_~k~5 29), 126430#(<= ULTIMATE.start_main_~k~5 28), 126433#(<= ULTIMATE.start_main_~k~5 31), 126432#(<= ULTIMATE.start_main_~k~5 30), 126435#(<= ULTIMATE.start_main_~k~5 33), 126434#(<= ULTIMATE.start_main_~k~5 32), 126437#(<= ULTIMATE.start_main_~k~5 35), 126436#(<= ULTIMATE.start_main_~k~5 34), 126439#(<= ULTIMATE.start_main_~k~5 37), 126438#(<= ULTIMATE.start_main_~k~5 36), 126441#(<= ULTIMATE.start_main_~k~5 39), 126440#(<= ULTIMATE.start_main_~k~5 38), 126443#(<= ULTIMATE.start_main_~k~5 41), 126442#(<= ULTIMATE.start_main_~k~5 40), 126445#(<= ULTIMATE.start_main_~k~5 43), 126444#(<= ULTIMATE.start_main_~k~5 42), 126447#(<= ULTIMATE.start_main_~k~5 45), 126446#(<= ULTIMATE.start_main_~k~5 44), 126449#(<= ULTIMATE.start_main_~k~5 47), 126448#(<= ULTIMATE.start_main_~k~5 46), 126451#(<= ULTIMATE.start_main_~k~5 49), 126450#(<= ULTIMATE.start_main_~k~5 48), 126453#(<= ULTIMATE.start_main_~k~5 51), 126452#(<= ULTIMATE.start_main_~k~5 50), 126455#(<= ULTIMATE.start_main_~k~5 53), 126454#(<= ULTIMATE.start_main_~k~5 52), 126457#(<= ULTIMATE.start_main_~k~5 55), 126456#(<= ULTIMATE.start_main_~k~5 54), 126459#(<= ULTIMATE.start_main_~k~5 57), 126458#(<= ULTIMATE.start_main_~k~5 56), 126461#(<= ULTIMATE.start_main_~k~5 59), 126460#(<= ULTIMATE.start_main_~k~5 58), 126463#(<= ULTIMATE.start_main_~k~5 61), 126462#(<= ULTIMATE.start_main_~k~5 60)] [2018-07-23 13:43:29,203 INFO L134 CoverageAnalysis]: Checked inductivity of 24310 backedges. 0 proven. 24310 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2018-07-23 13:43:29,203 INFO L450 AbstractCegarLoop]: Interpolant automaton has 223 states [2018-07-23 13:43:29,206 INFO L132 InterpolantAutomaton]: Constructing interpolant automaton starting with 223 interpolants. [2018-07-23 13:43:29,208 INFO L133 InterpolantAutomaton]: CoverageRelationStatistics Valid=24753, Invalid=24753, Unknown=0, NotChecked=0, Total=49506 [2018-07-23 13:43:29,208 INFO L87 Difference]: Start difference. First operand 224 states and 224 transitions. Second operand 223 states. [2018-07-23 13:43:30,155 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2018-07-23 13:43:30,155 INFO L93 Difference]: Finished difference Result 227 states and 227 transitions. [2018-07-23 13:43:30,155 INFO L142 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 223 states. [2018-07-23 13:43:30,155 INFO L78 Accepts]: Start accepts. Automaton has 223 states. Word has length 223 [2018-07-23 13:43:30,155 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2018-07-23 13:43:30,156 INFO L225 Difference]: With dead ends: 227 [2018-07-23 13:43:30,156 INFO L226 Difference]: Without dead ends: 225 [2018-07-23 13:43:30,159 INFO L575 BasicCegarLoop]: 0 DeclaredPredicates, 222 GetRequests, 1 SyntacticMatches, 0 SemanticMatches, 221 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 0 ImplicationChecksByTransitivity, 1.0s TimeCoverageRelationStatistics Valid=24753, Invalid=24753, Unknown=0, NotChecked=0, Total=49506 [2018-07-23 13:43:30,159 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 225 states. [2018-07-23 13:43:30,162 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 225 to 225. [2018-07-23 13:43:30,162 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 225 states. [2018-07-23 13:43:30,162 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 225 states to 225 states and 225 transitions. [2018-07-23 13:43:30,162 INFO L78 Accepts]: Start accepts. Automaton has 225 states and 225 transitions. Word has length 223 [2018-07-23 13:43:30,163 INFO L84 Accepts]: Finished accepts. word is rejected. [2018-07-23 13:43:30,163 INFO L471 AbstractCegarLoop]: Abstraction has 225 states and 225 transitions. [2018-07-23 13:43:30,163 INFO L472 AbstractCegarLoop]: Interpolant automaton has 223 states. [2018-07-23 13:43:30,163 INFO L276 IsEmpty]: Start isEmpty. Operand 225 states and 225 transitions. [2018-07-23 13:43:30,163 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 225 [2018-07-23 13:43:30,163 INFO L349 BasicCegarLoop]: Found error trace [2018-07-23 13:43:30,163 INFO L357 BasicCegarLoop]: trace histogram [221, 1, 1, 1] [2018-07-23 13:43:30,164 INFO L414 AbstractCegarLoop]: === Iteration 222 === [ULTIMATE.startErr0AssertViolationASSERT]=== [2018-07-23 13:43:30,164 INFO L82 PathProgramCache]: Analyzing trace with hash -599330072, now seen corresponding path program 221 times [2018-07-23 13:43:30,164 INFO L69 tionRefinementEngine]: Using refinement strategy FixedRefinementStrategy [2018-07-23 13:43:30,284 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-07-23 13:43:31,507 INFO L134 CoverageAnalysis]: Checked inductivity of 24531 backedges. 0 proven. 24531 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2018-07-23 13:43:31,507 INFO L309 seRefinementStrategy]: Constructing automaton from 0 perfect and 1 imperfect interpolant sequences. [2018-07-23 13:43:31,507 INFO L324 seRefinementStrategy]: Number of different interpolants: perfect sequences [] imperfect sequences [223] total 223 [2018-07-23 13:43:31,507 INFO L142 lantAutomatonBuilder]: Constructing canonical interpolant automaton, with selfloop in false state [2018-07-23 13:43:31,508 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2018-07-23 13:43:31,508 INFO L185 omatonBuilderFactory]: Interpolants [127527#true, 127529#(<= ULTIMATE.start_main_~k~5 0), 127528#false, 127531#(<= ULTIMATE.start_main_~k~5 2), 127530#(<= ULTIMATE.start_main_~k~5 1), 127533#(<= ULTIMATE.start_main_~k~5 4), 127532#(<= ULTIMATE.start_main_~k~5 3), 127535#(<= ULTIMATE.start_main_~k~5 6), 127534#(<= ULTIMATE.start_main_~k~5 5), 127537#(<= ULTIMATE.start_main_~k~5 8), 127536#(<= ULTIMATE.start_main_~k~5 7), 127539#(<= ULTIMATE.start_main_~k~5 10), 127538#(<= ULTIMATE.start_main_~k~5 9), 127541#(<= ULTIMATE.start_main_~k~5 12), 127540#(<= ULTIMATE.start_main_~k~5 11), 127543#(<= ULTIMATE.start_main_~k~5 14), 127542#(<= ULTIMATE.start_main_~k~5 13), 127545#(<= ULTIMATE.start_main_~k~5 16), 127544#(<= ULTIMATE.start_main_~k~5 15), 127547#(<= ULTIMATE.start_main_~k~5 18), 127546#(<= ULTIMATE.start_main_~k~5 17), 127549#(<= ULTIMATE.start_main_~k~5 20), 127548#(<= ULTIMATE.start_main_~k~5 19), 127551#(<= ULTIMATE.start_main_~k~5 22), 127550#(<= ULTIMATE.start_main_~k~5 21), 127553#(<= ULTIMATE.start_main_~k~5 24), 127552#(<= ULTIMATE.start_main_~k~5 23), 127555#(<= ULTIMATE.start_main_~k~5 26), 127554#(<= ULTIMATE.start_main_~k~5 25), 127557#(<= ULTIMATE.start_main_~k~5 28), 127556#(<= ULTIMATE.start_main_~k~5 27), 127559#(<= ULTIMATE.start_main_~k~5 30), 127558#(<= ULTIMATE.start_main_~k~5 29), 127561#(<= ULTIMATE.start_main_~k~5 32), 127560#(<= ULTIMATE.start_main_~k~5 31), 127563#(<= ULTIMATE.start_main_~k~5 34), 127562#(<= ULTIMATE.start_main_~k~5 33), 127565#(<= ULTIMATE.start_main_~k~5 36), 127564#(<= ULTIMATE.start_main_~k~5 35), 127567#(<= ULTIMATE.start_main_~k~5 38), 127566#(<= ULTIMATE.start_main_~k~5 37), 127569#(<= ULTIMATE.start_main_~k~5 40), 127568#(<= ULTIMATE.start_main_~k~5 39), 127571#(<= ULTIMATE.start_main_~k~5 42), 127570#(<= ULTIMATE.start_main_~k~5 41), 127573#(<= ULTIMATE.start_main_~k~5 44), 127572#(<= ULTIMATE.start_main_~k~5 43), 127575#(<= ULTIMATE.start_main_~k~5 46), 127574#(<= ULTIMATE.start_main_~k~5 45), 127577#(<= ULTIMATE.start_main_~k~5 48), 127576#(<= ULTIMATE.start_main_~k~5 47), 127579#(<= ULTIMATE.start_main_~k~5 50), 127578#(<= ULTIMATE.start_main_~k~5 49), 127581#(<= ULTIMATE.start_main_~k~5 52), 127580#(<= ULTIMATE.start_main_~k~5 51), 127583#(<= ULTIMATE.start_main_~k~5 54), 127582#(<= ULTIMATE.start_main_~k~5 53), 127585#(<= ULTIMATE.start_main_~k~5 56), 127584#(<= ULTIMATE.start_main_~k~5 55), 127587#(<= ULTIMATE.start_main_~k~5 58), 127586#(<= ULTIMATE.start_main_~k~5 57), 127589#(<= ULTIMATE.start_main_~k~5 60), 127588#(<= ULTIMATE.start_main_~k~5 59), 127591#(<= ULTIMATE.start_main_~k~5 62), 127590#(<= ULTIMATE.start_main_~k~5 61), 127593#(<= ULTIMATE.start_main_~k~5 64), 127592#(<= ULTIMATE.start_main_~k~5 63), 127595#(<= ULTIMATE.start_main_~k~5 66), 127594#(<= ULTIMATE.start_main_~k~5 65), 127597#(<= ULTIMATE.start_main_~k~5 68), 127596#(<= ULTIMATE.start_main_~k~5 67), 127599#(<= ULTIMATE.start_main_~k~5 70), 127598#(<= ULTIMATE.start_main_~k~5 69), 127601#(<= ULTIMATE.start_main_~k~5 72), 127600#(<= ULTIMATE.start_main_~k~5 71), 127603#(<= ULTIMATE.start_main_~k~5 74), 127602#(<= ULTIMATE.start_main_~k~5 73), 127605#(<= ULTIMATE.start_main_~k~5 76), 127604#(<= ULTIMATE.start_main_~k~5 75), 127607#(<= ULTIMATE.start_main_~k~5 78), 127606#(<= ULTIMATE.start_main_~k~5 77), 127609#(<= ULTIMATE.start_main_~k~5 80), 127608#(<= ULTIMATE.start_main_~k~5 79), 127611#(<= ULTIMATE.start_main_~k~5 82), 127610#(<= ULTIMATE.start_main_~k~5 81), 127613#(<= ULTIMATE.start_main_~k~5 84), 127612#(<= ULTIMATE.start_main_~k~5 83), 127615#(<= ULTIMATE.start_main_~k~5 86), 127614#(<= ULTIMATE.start_main_~k~5 85), 127617#(<= ULTIMATE.start_main_~k~5 88), 127616#(<= ULTIMATE.start_main_~k~5 87), 127619#(<= ULTIMATE.start_main_~k~5 90), 127618#(<= ULTIMATE.start_main_~k~5 89), 127621#(<= ULTIMATE.start_main_~k~5 92), 127620#(<= ULTIMATE.start_main_~k~5 91), 127623#(<= ULTIMATE.start_main_~k~5 94), 127622#(<= ULTIMATE.start_main_~k~5 93), 127625#(<= ULTIMATE.start_main_~k~5 96), 127624#(<= ULTIMATE.start_main_~k~5 95), 127627#(<= ULTIMATE.start_main_~k~5 98), 127626#(<= ULTIMATE.start_main_~k~5 97), 127629#(<= ULTIMATE.start_main_~k~5 100), 127628#(<= ULTIMATE.start_main_~k~5 99), 127631#(<= ULTIMATE.start_main_~k~5 102), 127630#(<= ULTIMATE.start_main_~k~5 101), 127633#(<= ULTIMATE.start_main_~k~5 104), 127632#(<= ULTIMATE.start_main_~k~5 103), 127635#(<= ULTIMATE.start_main_~k~5 106), 127634#(<= ULTIMATE.start_main_~k~5 105), 127637#(<= ULTIMATE.start_main_~k~5 108), 127636#(<= ULTIMATE.start_main_~k~5 107), 127639#(<= ULTIMATE.start_main_~k~5 110), 127638#(<= ULTIMATE.start_main_~k~5 109), 127641#(<= ULTIMATE.start_main_~k~5 112), 127640#(<= ULTIMATE.start_main_~k~5 111), 127643#(<= ULTIMATE.start_main_~k~5 114), 127642#(<= ULTIMATE.start_main_~k~5 113), 127645#(<= ULTIMATE.start_main_~k~5 116), 127644#(<= ULTIMATE.start_main_~k~5 115), 127647#(<= ULTIMATE.start_main_~k~5 118), 127646#(<= ULTIMATE.start_main_~k~5 117), 127649#(<= ULTIMATE.start_main_~k~5 120), 127648#(<= ULTIMATE.start_main_~k~5 119), 127651#(<= ULTIMATE.start_main_~k~5 122), 127650#(<= ULTIMATE.start_main_~k~5 121), 127653#(<= ULTIMATE.start_main_~k~5 124), 127652#(<= ULTIMATE.start_main_~k~5 123), 127655#(<= ULTIMATE.start_main_~k~5 126), 127654#(<= ULTIMATE.start_main_~k~5 125), 127657#(<= ULTIMATE.start_main_~k~5 128), 127656#(<= ULTIMATE.start_main_~k~5 127), 127659#(<= ULTIMATE.start_main_~k~5 130), 127658#(<= ULTIMATE.start_main_~k~5 129), 127661#(<= ULTIMATE.start_main_~k~5 132), 127660#(<= ULTIMATE.start_main_~k~5 131), 127663#(<= ULTIMATE.start_main_~k~5 134), 127662#(<= ULTIMATE.start_main_~k~5 133), 127665#(<= ULTIMATE.start_main_~k~5 136), 127664#(<= ULTIMATE.start_main_~k~5 135), 127667#(<= ULTIMATE.start_main_~k~5 138), 127666#(<= ULTIMATE.start_main_~k~5 137), 127669#(<= ULTIMATE.start_main_~k~5 140), 127668#(<= ULTIMATE.start_main_~k~5 139), 127671#(<= ULTIMATE.start_main_~k~5 142), 127670#(<= ULTIMATE.start_main_~k~5 141), 127673#(<= ULTIMATE.start_main_~k~5 144), 127672#(<= ULTIMATE.start_main_~k~5 143), 127675#(<= ULTIMATE.start_main_~k~5 146), 127674#(<= ULTIMATE.start_main_~k~5 145), 127677#(<= ULTIMATE.start_main_~k~5 148), 127676#(<= ULTIMATE.start_main_~k~5 147), 127679#(<= ULTIMATE.start_main_~k~5 150), 127678#(<= ULTIMATE.start_main_~k~5 149), 127681#(<= ULTIMATE.start_main_~k~5 152), 127680#(<= ULTIMATE.start_main_~k~5 151), 127683#(<= ULTIMATE.start_main_~k~5 154), 127682#(<= ULTIMATE.start_main_~k~5 153), 127685#(<= ULTIMATE.start_main_~k~5 156), 127684#(<= ULTIMATE.start_main_~k~5 155), 127687#(<= ULTIMATE.start_main_~k~5 158), 127686#(<= ULTIMATE.start_main_~k~5 157), 127689#(<= ULTIMATE.start_main_~k~5 160), 127688#(<= ULTIMATE.start_main_~k~5 159), 127691#(<= ULTIMATE.start_main_~k~5 162), 127690#(<= ULTIMATE.start_main_~k~5 161), 127693#(<= ULTIMATE.start_main_~k~5 164), 127692#(<= ULTIMATE.start_main_~k~5 163), 127695#(<= ULTIMATE.start_main_~k~5 166), 127694#(<= ULTIMATE.start_main_~k~5 165), 127697#(<= ULTIMATE.start_main_~k~5 168), 127696#(<= ULTIMATE.start_main_~k~5 167), 127699#(<= ULTIMATE.start_main_~k~5 170), 127698#(<= ULTIMATE.start_main_~k~5 169), 127701#(<= ULTIMATE.start_main_~k~5 172), 127700#(<= ULTIMATE.start_main_~k~5 171), 127703#(<= ULTIMATE.start_main_~k~5 174), 127702#(<= ULTIMATE.start_main_~k~5 173), 127705#(<= ULTIMATE.start_main_~k~5 176), 127704#(<= ULTIMATE.start_main_~k~5 175), 127707#(<= ULTIMATE.start_main_~k~5 178), 127706#(<= ULTIMATE.start_main_~k~5 177), 127709#(<= ULTIMATE.start_main_~k~5 180), 127708#(<= ULTIMATE.start_main_~k~5 179), 127711#(<= ULTIMATE.start_main_~k~5 182), 127710#(<= ULTIMATE.start_main_~k~5 181), 127713#(<= ULTIMATE.start_main_~k~5 184), 127712#(<= ULTIMATE.start_main_~k~5 183), 127715#(<= ULTIMATE.start_main_~k~5 186), 127714#(<= ULTIMATE.start_main_~k~5 185), 127717#(<= ULTIMATE.start_main_~k~5 188), 127716#(<= ULTIMATE.start_main_~k~5 187), 127719#(<= ULTIMATE.start_main_~k~5 190), 127718#(<= ULTIMATE.start_main_~k~5 189), 127721#(<= ULTIMATE.start_main_~k~5 192), 127720#(<= ULTIMATE.start_main_~k~5 191), 127723#(<= ULTIMATE.start_main_~k~5 194), 127722#(<= ULTIMATE.start_main_~k~5 193), 127725#(<= ULTIMATE.start_main_~k~5 196), 127724#(<= ULTIMATE.start_main_~k~5 195), 127727#(<= ULTIMATE.start_main_~k~5 198), 127726#(<= ULTIMATE.start_main_~k~5 197), 127729#(<= ULTIMATE.start_main_~k~5 200), 127728#(<= ULTIMATE.start_main_~k~5 199), 127731#(<= ULTIMATE.start_main_~k~5 202), 127730#(<= ULTIMATE.start_main_~k~5 201), 127733#(<= ULTIMATE.start_main_~k~5 204), 127732#(<= ULTIMATE.start_main_~k~5 203), 127735#(<= ULTIMATE.start_main_~k~5 206), 127734#(<= ULTIMATE.start_main_~k~5 205), 127737#(<= ULTIMATE.start_main_~k~5 208), 127736#(<= ULTIMATE.start_main_~k~5 207), 127739#(<= ULTIMATE.start_main_~k~5 210), 127738#(<= ULTIMATE.start_main_~k~5 209), 127741#(<= ULTIMATE.start_main_~k~5 212), 127740#(<= ULTIMATE.start_main_~k~5 211), 127743#(<= ULTIMATE.start_main_~k~5 214), 127742#(<= ULTIMATE.start_main_~k~5 213), 127745#(<= ULTIMATE.start_main_~k~5 216), 127744#(<= ULTIMATE.start_main_~k~5 215), 127747#(<= ULTIMATE.start_main_~k~5 218), 127746#(<= ULTIMATE.start_main_~k~5 217), 127749#(<= ULTIMATE.start_main_~k~5 220), 127748#(<= ULTIMATE.start_main_~k~5 219), 127750#(<= ULTIMATE.start_main_~k~5 221)] [2018-07-23 13:43:31,509 INFO L134 CoverageAnalysis]: Checked inductivity of 24531 backedges. 0 proven. 24531 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2018-07-23 13:43:31,510 INFO L450 AbstractCegarLoop]: Interpolant automaton has 224 states [2018-07-23 13:43:31,513 INFO L132 InterpolantAutomaton]: Constructing interpolant automaton starting with 224 interpolants. [2018-07-23 13:43:31,515 INFO L133 InterpolantAutomaton]: CoverageRelationStatistics Valid=24976, Invalid=24976, Unknown=0, NotChecked=0, Total=49952 [2018-07-23 13:43:31,515 INFO L87 Difference]: Start difference. First operand 225 states and 225 transitions. Second operand 224 states. [2018-07-23 13:43:33,031 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2018-07-23 13:43:33,031 INFO L93 Difference]: Finished difference Result 228 states and 228 transitions. [2018-07-23 13:43:33,031 INFO L142 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 224 states. [2018-07-23 13:43:33,031 INFO L78 Accepts]: Start accepts. Automaton has 224 states. Word has length 224 [2018-07-23 13:43:33,032 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2018-07-23 13:43:33,032 INFO L225 Difference]: With dead ends: 228 [2018-07-23 13:43:33,032 INFO L226 Difference]: Without dead ends: 226 [2018-07-23 13:43:33,035 INFO L575 BasicCegarLoop]: 0 DeclaredPredicates, 223 GetRequests, 1 SyntacticMatches, 0 SemanticMatches, 222 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 0 ImplicationChecksByTransitivity, 1.1s TimeCoverageRelationStatistics Valid=24976, Invalid=24976, Unknown=0, NotChecked=0, Total=49952 [2018-07-23 13:43:33,035 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 226 states. [2018-07-23 13:43:33,037 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 226 to 226. [2018-07-23 13:43:33,037 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 226 states. [2018-07-23 13:43:33,037 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 226 states to 226 states and 226 transitions. [2018-07-23 13:43:33,038 INFO L78 Accepts]: Start accepts. Automaton has 226 states and 226 transitions. Word has length 224 [2018-07-23 13:43:33,038 INFO L84 Accepts]: Finished accepts. word is rejected. [2018-07-23 13:43:33,038 INFO L471 AbstractCegarLoop]: Abstraction has 226 states and 226 transitions. [2018-07-23 13:43:33,038 INFO L472 AbstractCegarLoop]: Interpolant automaton has 224 states. [2018-07-23 13:43:33,038 INFO L276 IsEmpty]: Start isEmpty. Operand 226 states and 226 transitions. [2018-07-23 13:43:33,038 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 226 [2018-07-23 13:43:33,039 INFO L349 BasicCegarLoop]: Found error trace [2018-07-23 13:43:33,039 INFO L357 BasicCegarLoop]: trace histogram [222, 1, 1, 1] [2018-07-23 13:43:33,039 INFO L414 AbstractCegarLoop]: === Iteration 223 === [ULTIMATE.startErr0AssertViolationASSERT]=== [2018-07-23 13:43:33,039 INFO L82 PathProgramCache]: Analyzing trace with hash -1399365023, now seen corresponding path program 222 times [2018-07-23 13:43:33,039 INFO L69 tionRefinementEngine]: Using refinement strategy FixedRefinementStrategy [2018-07-23 13:43:33,209 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-07-23 13:43:34,394 INFO L134 CoverageAnalysis]: Checked inductivity of 24753 backedges. 0 proven. 24753 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2018-07-23 13:43:34,394 INFO L309 seRefinementStrategy]: Constructing automaton from 0 perfect and 1 imperfect interpolant sequences. [2018-07-23 13:43:34,395 INFO L324 seRefinementStrategy]: Number of different interpolants: perfect sequences [] imperfect sequences [224] total 224 [2018-07-23 13:43:34,395 INFO L142 lantAutomatonBuilder]: Constructing canonical interpolant automaton, with selfloop in false state [2018-07-23 13:43:34,395 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2018-07-23 13:43:34,395 INFO L185 omatonBuilderFactory]: Interpolants [128659#true, 128661#(<= ULTIMATE.start_main_~k~5 0), 128660#false, 128663#(<= ULTIMATE.start_main_~k~5 2), 128662#(<= ULTIMATE.start_main_~k~5 1), 128665#(<= ULTIMATE.start_main_~k~5 4), 128664#(<= ULTIMATE.start_main_~k~5 3), 128667#(<= ULTIMATE.start_main_~k~5 6), 128666#(<= ULTIMATE.start_main_~k~5 5), 128669#(<= ULTIMATE.start_main_~k~5 8), 128668#(<= ULTIMATE.start_main_~k~5 7), 128671#(<= ULTIMATE.start_main_~k~5 10), 128670#(<= ULTIMATE.start_main_~k~5 9), 128673#(<= ULTIMATE.start_main_~k~5 12), 128672#(<= ULTIMATE.start_main_~k~5 11), 128675#(<= ULTIMATE.start_main_~k~5 14), 128674#(<= ULTIMATE.start_main_~k~5 13), 128677#(<= ULTIMATE.start_main_~k~5 16), 128676#(<= ULTIMATE.start_main_~k~5 15), 128679#(<= ULTIMATE.start_main_~k~5 18), 128678#(<= ULTIMATE.start_main_~k~5 17), 128681#(<= ULTIMATE.start_main_~k~5 20), 128680#(<= ULTIMATE.start_main_~k~5 19), 128683#(<= ULTIMATE.start_main_~k~5 22), 128682#(<= ULTIMATE.start_main_~k~5 21), 128685#(<= ULTIMATE.start_main_~k~5 24), 128684#(<= ULTIMATE.start_main_~k~5 23), 128687#(<= ULTIMATE.start_main_~k~5 26), 128686#(<= ULTIMATE.start_main_~k~5 25), 128689#(<= ULTIMATE.start_main_~k~5 28), 128688#(<= ULTIMATE.start_main_~k~5 27), 128691#(<= ULTIMATE.start_main_~k~5 30), 128690#(<= ULTIMATE.start_main_~k~5 29), 128693#(<= ULTIMATE.start_main_~k~5 32), 128692#(<= ULTIMATE.start_main_~k~5 31), 128695#(<= ULTIMATE.start_main_~k~5 34), 128694#(<= ULTIMATE.start_main_~k~5 33), 128697#(<= ULTIMATE.start_main_~k~5 36), 128696#(<= ULTIMATE.start_main_~k~5 35), 128699#(<= ULTIMATE.start_main_~k~5 38), 128698#(<= ULTIMATE.start_main_~k~5 37), 128701#(<= ULTIMATE.start_main_~k~5 40), 128700#(<= ULTIMATE.start_main_~k~5 39), 128703#(<= ULTIMATE.start_main_~k~5 42), 128702#(<= ULTIMATE.start_main_~k~5 41), 128705#(<= ULTIMATE.start_main_~k~5 44), 128704#(<= ULTIMATE.start_main_~k~5 43), 128707#(<= ULTIMATE.start_main_~k~5 46), 128706#(<= ULTIMATE.start_main_~k~5 45), 128709#(<= ULTIMATE.start_main_~k~5 48), 128708#(<= ULTIMATE.start_main_~k~5 47), 128711#(<= ULTIMATE.start_main_~k~5 50), 128710#(<= ULTIMATE.start_main_~k~5 49), 128713#(<= ULTIMATE.start_main_~k~5 52), 128712#(<= ULTIMATE.start_main_~k~5 51), 128715#(<= ULTIMATE.start_main_~k~5 54), 128714#(<= ULTIMATE.start_main_~k~5 53), 128717#(<= ULTIMATE.start_main_~k~5 56), 128716#(<= ULTIMATE.start_main_~k~5 55), 128719#(<= ULTIMATE.start_main_~k~5 58), 128718#(<= ULTIMATE.start_main_~k~5 57), 128721#(<= ULTIMATE.start_main_~k~5 60), 128720#(<= ULTIMATE.start_main_~k~5 59), 128723#(<= ULTIMATE.start_main_~k~5 62), 128722#(<= ULTIMATE.start_main_~k~5 61), 128725#(<= ULTIMATE.start_main_~k~5 64), 128724#(<= ULTIMATE.start_main_~k~5 63), 128727#(<= ULTIMATE.start_main_~k~5 66), 128726#(<= ULTIMATE.start_main_~k~5 65), 128729#(<= ULTIMATE.start_main_~k~5 68), 128728#(<= ULTIMATE.start_main_~k~5 67), 128731#(<= ULTIMATE.start_main_~k~5 70), 128730#(<= ULTIMATE.start_main_~k~5 69), 128733#(<= ULTIMATE.start_main_~k~5 72), 128732#(<= ULTIMATE.start_main_~k~5 71), 128735#(<= ULTIMATE.start_main_~k~5 74), 128734#(<= ULTIMATE.start_main_~k~5 73), 128737#(<= ULTIMATE.start_main_~k~5 76), 128736#(<= ULTIMATE.start_main_~k~5 75), 128739#(<= ULTIMATE.start_main_~k~5 78), 128738#(<= ULTIMATE.start_main_~k~5 77), 128741#(<= ULTIMATE.start_main_~k~5 80), 128740#(<= ULTIMATE.start_main_~k~5 79), 128743#(<= ULTIMATE.start_main_~k~5 82), 128742#(<= ULTIMATE.start_main_~k~5 81), 128745#(<= ULTIMATE.start_main_~k~5 84), 128744#(<= ULTIMATE.start_main_~k~5 83), 128747#(<= ULTIMATE.start_main_~k~5 86), 128746#(<= ULTIMATE.start_main_~k~5 85), 128749#(<= ULTIMATE.start_main_~k~5 88), 128748#(<= ULTIMATE.start_main_~k~5 87), 128751#(<= ULTIMATE.start_main_~k~5 90), 128750#(<= ULTIMATE.start_main_~k~5 89), 128753#(<= ULTIMATE.start_main_~k~5 92), 128752#(<= ULTIMATE.start_main_~k~5 91), 128755#(<= ULTIMATE.start_main_~k~5 94), 128754#(<= ULTIMATE.start_main_~k~5 93), 128757#(<= ULTIMATE.start_main_~k~5 96), 128756#(<= ULTIMATE.start_main_~k~5 95), 128759#(<= ULTIMATE.start_main_~k~5 98), 128758#(<= ULTIMATE.start_main_~k~5 97), 128761#(<= ULTIMATE.start_main_~k~5 100), 128760#(<= ULTIMATE.start_main_~k~5 99), 128763#(<= ULTIMATE.start_main_~k~5 102), 128762#(<= ULTIMATE.start_main_~k~5 101), 128765#(<= ULTIMATE.start_main_~k~5 104), 128764#(<= ULTIMATE.start_main_~k~5 103), 128767#(<= ULTIMATE.start_main_~k~5 106), 128766#(<= ULTIMATE.start_main_~k~5 105), 128769#(<= ULTIMATE.start_main_~k~5 108), 128768#(<= ULTIMATE.start_main_~k~5 107), 128771#(<= ULTIMATE.start_main_~k~5 110), 128770#(<= ULTIMATE.start_main_~k~5 109), 128773#(<= ULTIMATE.start_main_~k~5 112), 128772#(<= ULTIMATE.start_main_~k~5 111), 128775#(<= ULTIMATE.start_main_~k~5 114), 128774#(<= ULTIMATE.start_main_~k~5 113), 128777#(<= ULTIMATE.start_main_~k~5 116), 128776#(<= ULTIMATE.start_main_~k~5 115), 128779#(<= ULTIMATE.start_main_~k~5 118), 128778#(<= ULTIMATE.start_main_~k~5 117), 128781#(<= ULTIMATE.start_main_~k~5 120), 128780#(<= ULTIMATE.start_main_~k~5 119), 128783#(<= ULTIMATE.start_main_~k~5 122), 128782#(<= ULTIMATE.start_main_~k~5 121), 128785#(<= ULTIMATE.start_main_~k~5 124), 128784#(<= ULTIMATE.start_main_~k~5 123), 128787#(<= ULTIMATE.start_main_~k~5 126), 128786#(<= ULTIMATE.start_main_~k~5 125), 128789#(<= ULTIMATE.start_main_~k~5 128), 128788#(<= ULTIMATE.start_main_~k~5 127), 128791#(<= ULTIMATE.start_main_~k~5 130), 128790#(<= ULTIMATE.start_main_~k~5 129), 128793#(<= ULTIMATE.start_main_~k~5 132), 128792#(<= ULTIMATE.start_main_~k~5 131), 128795#(<= ULTIMATE.start_main_~k~5 134), 128794#(<= ULTIMATE.start_main_~k~5 133), 128797#(<= ULTIMATE.start_main_~k~5 136), 128796#(<= ULTIMATE.start_main_~k~5 135), 128799#(<= ULTIMATE.start_main_~k~5 138), 128798#(<= ULTIMATE.start_main_~k~5 137), 128801#(<= ULTIMATE.start_main_~k~5 140), 128800#(<= ULTIMATE.start_main_~k~5 139), 128803#(<= ULTIMATE.start_main_~k~5 142), 128802#(<= ULTIMATE.start_main_~k~5 141), 128805#(<= ULTIMATE.start_main_~k~5 144), 128804#(<= ULTIMATE.start_main_~k~5 143), 128807#(<= ULTIMATE.start_main_~k~5 146), 128806#(<= ULTIMATE.start_main_~k~5 145), 128809#(<= ULTIMATE.start_main_~k~5 148), 128808#(<= ULTIMATE.start_main_~k~5 147), 128811#(<= ULTIMATE.start_main_~k~5 150), 128810#(<= ULTIMATE.start_main_~k~5 149), 128813#(<= ULTIMATE.start_main_~k~5 152), 128812#(<= ULTIMATE.start_main_~k~5 151), 128815#(<= ULTIMATE.start_main_~k~5 154), 128814#(<= ULTIMATE.start_main_~k~5 153), 128817#(<= ULTIMATE.start_main_~k~5 156), 128816#(<= ULTIMATE.start_main_~k~5 155), 128819#(<= ULTIMATE.start_main_~k~5 158), 128818#(<= ULTIMATE.start_main_~k~5 157), 128821#(<= ULTIMATE.start_main_~k~5 160), 128820#(<= ULTIMATE.start_main_~k~5 159), 128823#(<= ULTIMATE.start_main_~k~5 162), 128822#(<= ULTIMATE.start_main_~k~5 161), 128825#(<= ULTIMATE.start_main_~k~5 164), 128824#(<= ULTIMATE.start_main_~k~5 163), 128827#(<= ULTIMATE.start_main_~k~5 166), 128826#(<= ULTIMATE.start_main_~k~5 165), 128829#(<= ULTIMATE.start_main_~k~5 168), 128828#(<= ULTIMATE.start_main_~k~5 167), 128831#(<= ULTIMATE.start_main_~k~5 170), 128830#(<= ULTIMATE.start_main_~k~5 169), 128833#(<= ULTIMATE.start_main_~k~5 172), 128832#(<= ULTIMATE.start_main_~k~5 171), 128835#(<= ULTIMATE.start_main_~k~5 174), 128834#(<= ULTIMATE.start_main_~k~5 173), 128837#(<= ULTIMATE.start_main_~k~5 176), 128836#(<= ULTIMATE.start_main_~k~5 175), 128839#(<= ULTIMATE.start_main_~k~5 178), 128838#(<= ULTIMATE.start_main_~k~5 177), 128841#(<= ULTIMATE.start_main_~k~5 180), 128840#(<= ULTIMATE.start_main_~k~5 179), 128843#(<= ULTIMATE.start_main_~k~5 182), 128842#(<= ULTIMATE.start_main_~k~5 181), 128845#(<= ULTIMATE.start_main_~k~5 184), 128844#(<= ULTIMATE.start_main_~k~5 183), 128847#(<= ULTIMATE.start_main_~k~5 186), 128846#(<= ULTIMATE.start_main_~k~5 185), 128849#(<= ULTIMATE.start_main_~k~5 188), 128848#(<= ULTIMATE.start_main_~k~5 187), 128851#(<= ULTIMATE.start_main_~k~5 190), 128850#(<= ULTIMATE.start_main_~k~5 189), 128853#(<= ULTIMATE.start_main_~k~5 192), 128852#(<= ULTIMATE.start_main_~k~5 191), 128855#(<= ULTIMATE.start_main_~k~5 194), 128854#(<= ULTIMATE.start_main_~k~5 193), 128857#(<= ULTIMATE.start_main_~k~5 196), 128856#(<= ULTIMATE.start_main_~k~5 195), 128859#(<= ULTIMATE.start_main_~k~5 198), 128858#(<= ULTIMATE.start_main_~k~5 197), 128861#(<= ULTIMATE.start_main_~k~5 200), 128860#(<= ULTIMATE.start_main_~k~5 199), 128863#(<= ULTIMATE.start_main_~k~5 202), 128862#(<= ULTIMATE.start_main_~k~5 201), 128865#(<= ULTIMATE.start_main_~k~5 204), 128864#(<= ULTIMATE.start_main_~k~5 203), 128867#(<= ULTIMATE.start_main_~k~5 206), 128866#(<= ULTIMATE.start_main_~k~5 205), 128869#(<= ULTIMATE.start_main_~k~5 208), 128868#(<= ULTIMATE.start_main_~k~5 207), 128871#(<= ULTIMATE.start_main_~k~5 210), 128870#(<= ULTIMATE.start_main_~k~5 209), 128873#(<= ULTIMATE.start_main_~k~5 212), 128872#(<= ULTIMATE.start_main_~k~5 211), 128875#(<= ULTIMATE.start_main_~k~5 214), 128874#(<= ULTIMATE.start_main_~k~5 213), 128877#(<= ULTIMATE.start_main_~k~5 216), 128876#(<= ULTIMATE.start_main_~k~5 215), 128879#(<= ULTIMATE.start_main_~k~5 218), 128878#(<= ULTIMATE.start_main_~k~5 217), 128881#(<= ULTIMATE.start_main_~k~5 220), 128880#(<= ULTIMATE.start_main_~k~5 219), 128883#(<= ULTIMATE.start_main_~k~5 222), 128882#(<= ULTIMATE.start_main_~k~5 221)] [2018-07-23 13:43:34,397 INFO L134 CoverageAnalysis]: Checked inductivity of 24753 backedges. 0 proven. 24753 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2018-07-23 13:43:34,397 INFO L450 AbstractCegarLoop]: Interpolant automaton has 225 states [2018-07-23 13:43:34,400 INFO L132 InterpolantAutomaton]: Constructing interpolant automaton starting with 225 interpolants. [2018-07-23 13:43:34,402 INFO L133 InterpolantAutomaton]: CoverageRelationStatistics Valid=25200, Invalid=25200, Unknown=0, NotChecked=0, Total=50400 [2018-07-23 13:43:34,402 INFO L87 Difference]: Start difference. First operand 226 states and 226 transitions. Second operand 225 states. [2018-07-23 13:43:35,306 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2018-07-23 13:43:35,306 INFO L93 Difference]: Finished difference Result 229 states and 229 transitions. [2018-07-23 13:43:35,306 INFO L142 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 225 states. [2018-07-23 13:43:35,306 INFO L78 Accepts]: Start accepts. Automaton has 225 states. Word has length 225 [2018-07-23 13:43:35,307 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2018-07-23 13:43:35,307 INFO L225 Difference]: With dead ends: 229 [2018-07-23 13:43:35,307 INFO L226 Difference]: Without dead ends: 227 [2018-07-23 13:43:35,310 INFO L575 BasicCegarLoop]: 0 DeclaredPredicates, 224 GetRequests, 1 SyntacticMatches, 0 SemanticMatches, 223 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 0 ImplicationChecksByTransitivity, 1.0s TimeCoverageRelationStatistics Valid=25200, Invalid=25200, Unknown=0, NotChecked=0, Total=50400 [2018-07-23 13:43:35,310 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 227 states. [2018-07-23 13:43:35,312 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 227 to 227. [2018-07-23 13:43:35,312 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 227 states. [2018-07-23 13:43:35,312 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 227 states to 227 states and 227 transitions. [2018-07-23 13:43:35,312 INFO L78 Accepts]: Start accepts. Automaton has 227 states and 227 transitions. Word has length 225 [2018-07-23 13:43:35,312 INFO L84 Accepts]: Finished accepts. word is rejected. [2018-07-23 13:43:35,313 INFO L471 AbstractCegarLoop]: Abstraction has 227 states and 227 transitions. [2018-07-23 13:43:35,313 INFO L472 AbstractCegarLoop]: Interpolant automaton has 225 states. [2018-07-23 13:43:35,313 INFO L276 IsEmpty]: Start isEmpty. Operand 227 states and 227 transitions. [2018-07-23 13:43:35,313 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 227 [2018-07-23 13:43:35,313 INFO L349 BasicCegarLoop]: Found error trace [2018-07-23 13:43:35,313 INFO L357 BasicCegarLoop]: trace histogram [223, 1, 1, 1] [2018-07-23 13:43:35,313 INFO L414 AbstractCegarLoop]: === Iteration 224 === [ULTIMATE.startErr0AssertViolationASSERT]=== [2018-07-23 13:43:35,314 INFO L82 PathProgramCache]: Analyzing trace with hash -430644728, now seen corresponding path program 223 times [2018-07-23 13:43:35,314 INFO L69 tionRefinementEngine]: Using refinement strategy FixedRefinementStrategy [2018-07-23 13:43:35,429 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-07-23 13:43:36,670 INFO L134 CoverageAnalysis]: Checked inductivity of 24976 backedges. 0 proven. 24976 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2018-07-23 13:43:36,670 INFO L309 seRefinementStrategy]: Constructing automaton from 0 perfect and 1 imperfect interpolant sequences. [2018-07-23 13:43:36,670 INFO L324 seRefinementStrategy]: Number of different interpolants: perfect sequences [] imperfect sequences [225] total 225 [2018-07-23 13:43:36,670 INFO L142 lantAutomatonBuilder]: Constructing canonical interpolant automaton, with selfloop in false state [2018-07-23 13:43:36,671 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2018-07-23 13:43:36,671 INFO L185 omatonBuilderFactory]: Interpolants [129797#false, 129796#true, 129799#(<= ULTIMATE.start_main_~k~5 1), 129798#(<= ULTIMATE.start_main_~k~5 0), 129801#(<= ULTIMATE.start_main_~k~5 3), 129800#(<= ULTIMATE.start_main_~k~5 2), 129803#(<= ULTIMATE.start_main_~k~5 5), 129802#(<= ULTIMATE.start_main_~k~5 4), 129805#(<= ULTIMATE.start_main_~k~5 7), 129804#(<= ULTIMATE.start_main_~k~5 6), 129807#(<= ULTIMATE.start_main_~k~5 9), 129806#(<= ULTIMATE.start_main_~k~5 8), 129809#(<= ULTIMATE.start_main_~k~5 11), 129808#(<= ULTIMATE.start_main_~k~5 10), 129811#(<= ULTIMATE.start_main_~k~5 13), 129810#(<= ULTIMATE.start_main_~k~5 12), 129813#(<= ULTIMATE.start_main_~k~5 15), 129812#(<= ULTIMATE.start_main_~k~5 14), 129815#(<= ULTIMATE.start_main_~k~5 17), 129814#(<= ULTIMATE.start_main_~k~5 16), 129817#(<= ULTIMATE.start_main_~k~5 19), 129816#(<= ULTIMATE.start_main_~k~5 18), 129819#(<= ULTIMATE.start_main_~k~5 21), 129818#(<= ULTIMATE.start_main_~k~5 20), 129821#(<= ULTIMATE.start_main_~k~5 23), 129820#(<= ULTIMATE.start_main_~k~5 22), 129823#(<= ULTIMATE.start_main_~k~5 25), 129822#(<= ULTIMATE.start_main_~k~5 24), 129825#(<= ULTIMATE.start_main_~k~5 27), 129824#(<= ULTIMATE.start_main_~k~5 26), 129827#(<= ULTIMATE.start_main_~k~5 29), 129826#(<= ULTIMATE.start_main_~k~5 28), 129829#(<= ULTIMATE.start_main_~k~5 31), 129828#(<= ULTIMATE.start_main_~k~5 30), 129831#(<= ULTIMATE.start_main_~k~5 33), 129830#(<= ULTIMATE.start_main_~k~5 32), 129833#(<= ULTIMATE.start_main_~k~5 35), 129832#(<= ULTIMATE.start_main_~k~5 34), 129835#(<= ULTIMATE.start_main_~k~5 37), 129834#(<= ULTIMATE.start_main_~k~5 36), 129837#(<= ULTIMATE.start_main_~k~5 39), 129836#(<= ULTIMATE.start_main_~k~5 38), 129839#(<= ULTIMATE.start_main_~k~5 41), 129838#(<= ULTIMATE.start_main_~k~5 40), 129841#(<= ULTIMATE.start_main_~k~5 43), 129840#(<= ULTIMATE.start_main_~k~5 42), 129843#(<= ULTIMATE.start_main_~k~5 45), 129842#(<= ULTIMATE.start_main_~k~5 44), 129845#(<= ULTIMATE.start_main_~k~5 47), 129844#(<= ULTIMATE.start_main_~k~5 46), 129847#(<= ULTIMATE.start_main_~k~5 49), 129846#(<= ULTIMATE.start_main_~k~5 48), 129849#(<= ULTIMATE.start_main_~k~5 51), 129848#(<= ULTIMATE.start_main_~k~5 50), 129851#(<= ULTIMATE.start_main_~k~5 53), 129850#(<= ULTIMATE.start_main_~k~5 52), 129853#(<= ULTIMATE.start_main_~k~5 55), 129852#(<= ULTIMATE.start_main_~k~5 54), 129855#(<= ULTIMATE.start_main_~k~5 57), 129854#(<= ULTIMATE.start_main_~k~5 56), 129857#(<= ULTIMATE.start_main_~k~5 59), 129856#(<= ULTIMATE.start_main_~k~5 58), 129859#(<= ULTIMATE.start_main_~k~5 61), 129858#(<= ULTIMATE.start_main_~k~5 60), 129861#(<= ULTIMATE.start_main_~k~5 63), 129860#(<= ULTIMATE.start_main_~k~5 62), 129863#(<= ULTIMATE.start_main_~k~5 65), 129862#(<= ULTIMATE.start_main_~k~5 64), 129865#(<= ULTIMATE.start_main_~k~5 67), 129864#(<= ULTIMATE.start_main_~k~5 66), 129867#(<= ULTIMATE.start_main_~k~5 69), 129866#(<= ULTIMATE.start_main_~k~5 68), 129869#(<= ULTIMATE.start_main_~k~5 71), 129868#(<= ULTIMATE.start_main_~k~5 70), 129871#(<= ULTIMATE.start_main_~k~5 73), 129870#(<= ULTIMATE.start_main_~k~5 72), 129873#(<= ULTIMATE.start_main_~k~5 75), 129872#(<= ULTIMATE.start_main_~k~5 74), 129875#(<= ULTIMATE.start_main_~k~5 77), 129874#(<= ULTIMATE.start_main_~k~5 76), 129877#(<= ULTIMATE.start_main_~k~5 79), 129876#(<= ULTIMATE.start_main_~k~5 78), 129879#(<= ULTIMATE.start_main_~k~5 81), 129878#(<= ULTIMATE.start_main_~k~5 80), 129881#(<= ULTIMATE.start_main_~k~5 83), 129880#(<= ULTIMATE.start_main_~k~5 82), 129883#(<= ULTIMATE.start_main_~k~5 85), 129882#(<= ULTIMATE.start_main_~k~5 84), 129885#(<= ULTIMATE.start_main_~k~5 87), 129884#(<= ULTIMATE.start_main_~k~5 86), 129887#(<= ULTIMATE.start_main_~k~5 89), 129886#(<= ULTIMATE.start_main_~k~5 88), 129889#(<= ULTIMATE.start_main_~k~5 91), 129888#(<= ULTIMATE.start_main_~k~5 90), 129891#(<= ULTIMATE.start_main_~k~5 93), 129890#(<= ULTIMATE.start_main_~k~5 92), 129893#(<= ULTIMATE.start_main_~k~5 95), 129892#(<= ULTIMATE.start_main_~k~5 94), 129895#(<= ULTIMATE.start_main_~k~5 97), 129894#(<= ULTIMATE.start_main_~k~5 96), 129897#(<= ULTIMATE.start_main_~k~5 99), 129896#(<= ULTIMATE.start_main_~k~5 98), 129899#(<= ULTIMATE.start_main_~k~5 101), 129898#(<= ULTIMATE.start_main_~k~5 100), 129901#(<= ULTIMATE.start_main_~k~5 103), 129900#(<= ULTIMATE.start_main_~k~5 102), 129903#(<= ULTIMATE.start_main_~k~5 105), 129902#(<= ULTIMATE.start_main_~k~5 104), 129905#(<= ULTIMATE.start_main_~k~5 107), 129904#(<= ULTIMATE.start_main_~k~5 106), 129907#(<= ULTIMATE.start_main_~k~5 109), 129906#(<= ULTIMATE.start_main_~k~5 108), 129909#(<= ULTIMATE.start_main_~k~5 111), 129908#(<= ULTIMATE.start_main_~k~5 110), 129911#(<= ULTIMATE.start_main_~k~5 113), 129910#(<= ULTIMATE.start_main_~k~5 112), 129913#(<= ULTIMATE.start_main_~k~5 115), 129912#(<= ULTIMATE.start_main_~k~5 114), 129915#(<= ULTIMATE.start_main_~k~5 117), 129914#(<= ULTIMATE.start_main_~k~5 116), 129917#(<= ULTIMATE.start_main_~k~5 119), 129916#(<= ULTIMATE.start_main_~k~5 118), 129919#(<= ULTIMATE.start_main_~k~5 121), 129918#(<= ULTIMATE.start_main_~k~5 120), 129921#(<= ULTIMATE.start_main_~k~5 123), 129920#(<= ULTIMATE.start_main_~k~5 122), 129923#(<= ULTIMATE.start_main_~k~5 125), 129922#(<= ULTIMATE.start_main_~k~5 124), 129925#(<= ULTIMATE.start_main_~k~5 127), 129924#(<= ULTIMATE.start_main_~k~5 126), 129927#(<= ULTIMATE.start_main_~k~5 129), 129926#(<= ULTIMATE.start_main_~k~5 128), 129929#(<= ULTIMATE.start_main_~k~5 131), 129928#(<= ULTIMATE.start_main_~k~5 130), 129931#(<= ULTIMATE.start_main_~k~5 133), 129930#(<= ULTIMATE.start_main_~k~5 132), 129933#(<= ULTIMATE.start_main_~k~5 135), 129932#(<= ULTIMATE.start_main_~k~5 134), 129935#(<= ULTIMATE.start_main_~k~5 137), 129934#(<= ULTIMATE.start_main_~k~5 136), 129937#(<= ULTIMATE.start_main_~k~5 139), 129936#(<= ULTIMATE.start_main_~k~5 138), 129939#(<= ULTIMATE.start_main_~k~5 141), 129938#(<= ULTIMATE.start_main_~k~5 140), 129941#(<= ULTIMATE.start_main_~k~5 143), 129940#(<= ULTIMATE.start_main_~k~5 142), 129943#(<= ULTIMATE.start_main_~k~5 145), 129942#(<= ULTIMATE.start_main_~k~5 144), 129945#(<= ULTIMATE.start_main_~k~5 147), 129944#(<= ULTIMATE.start_main_~k~5 146), 129947#(<= ULTIMATE.start_main_~k~5 149), 129946#(<= ULTIMATE.start_main_~k~5 148), 129949#(<= ULTIMATE.start_main_~k~5 151), 129948#(<= ULTIMATE.start_main_~k~5 150), 129951#(<= ULTIMATE.start_main_~k~5 153), 129950#(<= ULTIMATE.start_main_~k~5 152), 129953#(<= ULTIMATE.start_main_~k~5 155), 129952#(<= ULTIMATE.start_main_~k~5 154), 129955#(<= ULTIMATE.start_main_~k~5 157), 129954#(<= ULTIMATE.start_main_~k~5 156), 129957#(<= ULTIMATE.start_main_~k~5 159), 129956#(<= ULTIMATE.start_main_~k~5 158), 129959#(<= ULTIMATE.start_main_~k~5 161), 129958#(<= ULTIMATE.start_main_~k~5 160), 129961#(<= ULTIMATE.start_main_~k~5 163), 129960#(<= ULTIMATE.start_main_~k~5 162), 129963#(<= ULTIMATE.start_main_~k~5 165), 129962#(<= ULTIMATE.start_main_~k~5 164), 129965#(<= ULTIMATE.start_main_~k~5 167), 129964#(<= ULTIMATE.start_main_~k~5 166), 129967#(<= ULTIMATE.start_main_~k~5 169), 129966#(<= ULTIMATE.start_main_~k~5 168), 129969#(<= ULTIMATE.start_main_~k~5 171), 129968#(<= ULTIMATE.start_main_~k~5 170), 129971#(<= ULTIMATE.start_main_~k~5 173), 129970#(<= ULTIMATE.start_main_~k~5 172), 129973#(<= ULTIMATE.start_main_~k~5 175), 129972#(<= ULTIMATE.start_main_~k~5 174), 129975#(<= ULTIMATE.start_main_~k~5 177), 129974#(<= ULTIMATE.start_main_~k~5 176), 129977#(<= ULTIMATE.start_main_~k~5 179), 129976#(<= ULTIMATE.start_main_~k~5 178), 129979#(<= ULTIMATE.start_main_~k~5 181), 129978#(<= ULTIMATE.start_main_~k~5 180), 129981#(<= ULTIMATE.start_main_~k~5 183), 129980#(<= ULTIMATE.start_main_~k~5 182), 129983#(<= ULTIMATE.start_main_~k~5 185), 129982#(<= ULTIMATE.start_main_~k~5 184), 129985#(<= ULTIMATE.start_main_~k~5 187), 129984#(<= ULTIMATE.start_main_~k~5 186), 129987#(<= ULTIMATE.start_main_~k~5 189), 129986#(<= ULTIMATE.start_main_~k~5 188), 129989#(<= ULTIMATE.start_main_~k~5 191), 129988#(<= ULTIMATE.start_main_~k~5 190), 129991#(<= ULTIMATE.start_main_~k~5 193), 129990#(<= ULTIMATE.start_main_~k~5 192), 129993#(<= ULTIMATE.start_main_~k~5 195), 129992#(<= ULTIMATE.start_main_~k~5 194), 129995#(<= ULTIMATE.start_main_~k~5 197), 129994#(<= ULTIMATE.start_main_~k~5 196), 129997#(<= ULTIMATE.start_main_~k~5 199), 129996#(<= ULTIMATE.start_main_~k~5 198), 129999#(<= ULTIMATE.start_main_~k~5 201), 129998#(<= ULTIMATE.start_main_~k~5 200), 130001#(<= ULTIMATE.start_main_~k~5 203), 130000#(<= ULTIMATE.start_main_~k~5 202), 130003#(<= ULTIMATE.start_main_~k~5 205), 130002#(<= ULTIMATE.start_main_~k~5 204), 130005#(<= ULTIMATE.start_main_~k~5 207), 130004#(<= ULTIMATE.start_main_~k~5 206), 130007#(<= ULTIMATE.start_main_~k~5 209), 130006#(<= ULTIMATE.start_main_~k~5 208), 130009#(<= ULTIMATE.start_main_~k~5 211), 130008#(<= ULTIMATE.start_main_~k~5 210), 130011#(<= ULTIMATE.start_main_~k~5 213), 130010#(<= ULTIMATE.start_main_~k~5 212), 130013#(<= ULTIMATE.start_main_~k~5 215), 130012#(<= ULTIMATE.start_main_~k~5 214), 130015#(<= ULTIMATE.start_main_~k~5 217), 130014#(<= ULTIMATE.start_main_~k~5 216), 130017#(<= ULTIMATE.start_main_~k~5 219), 130016#(<= ULTIMATE.start_main_~k~5 218), 130019#(<= ULTIMATE.start_main_~k~5 221), 130018#(<= ULTIMATE.start_main_~k~5 220), 130021#(<= ULTIMATE.start_main_~k~5 223), 130020#(<= ULTIMATE.start_main_~k~5 222)] [2018-07-23 13:43:36,672 INFO L134 CoverageAnalysis]: Checked inductivity of 24976 backedges. 0 proven. 24976 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2018-07-23 13:43:36,672 INFO L450 AbstractCegarLoop]: Interpolant automaton has 226 states [2018-07-23 13:43:36,676 INFO L132 InterpolantAutomaton]: Constructing interpolant automaton starting with 226 interpolants. [2018-07-23 13:43:36,678 INFO L133 InterpolantAutomaton]: CoverageRelationStatistics Valid=25425, Invalid=25425, Unknown=0, NotChecked=0, Total=50850 [2018-07-23 13:43:36,679 INFO L87 Difference]: Start difference. First operand 227 states and 227 transitions. Second operand 226 states. [2018-07-23 13:43:38,290 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2018-07-23 13:43:38,290 INFO L93 Difference]: Finished difference Result 230 states and 230 transitions. [2018-07-23 13:43:38,290 INFO L142 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 226 states. [2018-07-23 13:43:38,290 INFO L78 Accepts]: Start accepts. Automaton has 226 states. Word has length 226 [2018-07-23 13:43:38,291 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2018-07-23 13:43:38,291 INFO L225 Difference]: With dead ends: 230 [2018-07-23 13:43:38,291 INFO L226 Difference]: Without dead ends: 228 [2018-07-23 13:43:38,293 INFO L575 BasicCegarLoop]: 0 DeclaredPredicates, 225 GetRequests, 1 SyntacticMatches, 0 SemanticMatches, 224 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 0 ImplicationChecksByTransitivity, 1.1s TimeCoverageRelationStatistics Valid=25425, Invalid=25425, Unknown=0, NotChecked=0, Total=50850 [2018-07-23 13:43:38,293 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 228 states. [2018-07-23 13:43:38,295 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 228 to 228. [2018-07-23 13:43:38,295 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 228 states. [2018-07-23 13:43:38,296 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 228 states to 228 states and 228 transitions. [2018-07-23 13:43:38,296 INFO L78 Accepts]: Start accepts. Automaton has 228 states and 228 transitions. Word has length 226 [2018-07-23 13:43:38,296 INFO L84 Accepts]: Finished accepts. word is rejected. [2018-07-23 13:43:38,296 INFO L471 AbstractCegarLoop]: Abstraction has 228 states and 228 transitions. [2018-07-23 13:43:38,296 INFO L472 AbstractCegarLoop]: Interpolant automaton has 226 states. [2018-07-23 13:43:38,296 INFO L276 IsEmpty]: Start isEmpty. Operand 228 states and 228 transitions. [2018-07-23 13:43:38,296 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 228 [2018-07-23 13:43:38,297 INFO L349 BasicCegarLoop]: Found error trace [2018-07-23 13:43:38,297 INFO L357 BasicCegarLoop]: trace histogram [224, 1, 1, 1] [2018-07-23 13:43:38,297 INFO L414 AbstractCegarLoop]: === Iteration 225 === [ULTIMATE.startErr0AssertViolationASSERT]=== [2018-07-23 13:43:38,297 INFO L82 PathProgramCache]: Analyzing trace with hash -465086655, now seen corresponding path program 224 times [2018-07-23 13:43:38,297 INFO L69 tionRefinementEngine]: Using refinement strategy FixedRefinementStrategy [2018-07-23 13:43:38,466 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-07-23 13:43:39,652 INFO L134 CoverageAnalysis]: Checked inductivity of 25200 backedges. 0 proven. 25200 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2018-07-23 13:43:39,653 INFO L309 seRefinementStrategy]: Constructing automaton from 0 perfect and 1 imperfect interpolant sequences. [2018-07-23 13:43:39,653 INFO L324 seRefinementStrategy]: Number of different interpolants: perfect sequences [] imperfect sequences [226] total 226 [2018-07-23 13:43:39,653 INFO L142 lantAutomatonBuilder]: Constructing canonical interpolant automaton, with selfloop in false state [2018-07-23 13:43:39,653 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2018-07-23 13:43:39,654 INFO L185 omatonBuilderFactory]: Interpolants [131074#(<= ULTIMATE.start_main_~k~5 134), 131075#(<= ULTIMATE.start_main_~k~5 135), 131072#(<= ULTIMATE.start_main_~k~5 132), 131073#(<= ULTIMATE.start_main_~k~5 133), 131078#(<= ULTIMATE.start_main_~k~5 138), 131079#(<= ULTIMATE.start_main_~k~5 139), 131076#(<= ULTIMATE.start_main_~k~5 136), 131077#(<= ULTIMATE.start_main_~k~5 137), 131082#(<= ULTIMATE.start_main_~k~5 142), 131083#(<= ULTIMATE.start_main_~k~5 143), 131080#(<= ULTIMATE.start_main_~k~5 140), 131081#(<= ULTIMATE.start_main_~k~5 141), 131086#(<= ULTIMATE.start_main_~k~5 146), 131087#(<= ULTIMATE.start_main_~k~5 147), 131084#(<= ULTIMATE.start_main_~k~5 144), 131085#(<= ULTIMATE.start_main_~k~5 145), 131090#(<= ULTIMATE.start_main_~k~5 150), 131091#(<= ULTIMATE.start_main_~k~5 151), 131088#(<= ULTIMATE.start_main_~k~5 148), 131089#(<= ULTIMATE.start_main_~k~5 149), 131094#(<= ULTIMATE.start_main_~k~5 154), 131095#(<= ULTIMATE.start_main_~k~5 155), 131092#(<= ULTIMATE.start_main_~k~5 152), 131093#(<= ULTIMATE.start_main_~k~5 153), 131098#(<= ULTIMATE.start_main_~k~5 158), 131099#(<= ULTIMATE.start_main_~k~5 159), 131096#(<= ULTIMATE.start_main_~k~5 156), 131097#(<= ULTIMATE.start_main_~k~5 157), 131102#(<= ULTIMATE.start_main_~k~5 162), 131103#(<= ULTIMATE.start_main_~k~5 163), 131100#(<= ULTIMATE.start_main_~k~5 160), 131101#(<= ULTIMATE.start_main_~k~5 161), 131106#(<= ULTIMATE.start_main_~k~5 166), 131107#(<= ULTIMATE.start_main_~k~5 167), 131104#(<= ULTIMATE.start_main_~k~5 164), 131105#(<= ULTIMATE.start_main_~k~5 165), 131110#(<= ULTIMATE.start_main_~k~5 170), 131111#(<= ULTIMATE.start_main_~k~5 171), 131108#(<= ULTIMATE.start_main_~k~5 168), 131109#(<= ULTIMATE.start_main_~k~5 169), 131114#(<= ULTIMATE.start_main_~k~5 174), 131115#(<= ULTIMATE.start_main_~k~5 175), 131112#(<= ULTIMATE.start_main_~k~5 172), 131113#(<= ULTIMATE.start_main_~k~5 173), 131118#(<= ULTIMATE.start_main_~k~5 178), 131119#(<= ULTIMATE.start_main_~k~5 179), 131116#(<= ULTIMATE.start_main_~k~5 176), 131117#(<= ULTIMATE.start_main_~k~5 177), 131122#(<= ULTIMATE.start_main_~k~5 182), 131123#(<= ULTIMATE.start_main_~k~5 183), 131120#(<= ULTIMATE.start_main_~k~5 180), 131121#(<= ULTIMATE.start_main_~k~5 181), 131126#(<= ULTIMATE.start_main_~k~5 186), 131127#(<= ULTIMATE.start_main_~k~5 187), 131124#(<= ULTIMATE.start_main_~k~5 184), 131125#(<= ULTIMATE.start_main_~k~5 185), 131130#(<= ULTIMATE.start_main_~k~5 190), 131131#(<= ULTIMATE.start_main_~k~5 191), 131128#(<= ULTIMATE.start_main_~k~5 188), 131129#(<= ULTIMATE.start_main_~k~5 189), 131134#(<= ULTIMATE.start_main_~k~5 194), 131135#(<= ULTIMATE.start_main_~k~5 195), 131132#(<= ULTIMATE.start_main_~k~5 192), 131133#(<= ULTIMATE.start_main_~k~5 193), 131138#(<= ULTIMATE.start_main_~k~5 198), 131139#(<= ULTIMATE.start_main_~k~5 199), 131136#(<= ULTIMATE.start_main_~k~5 196), 131137#(<= ULTIMATE.start_main_~k~5 197), 131142#(<= ULTIMATE.start_main_~k~5 202), 131143#(<= ULTIMATE.start_main_~k~5 203), 131140#(<= ULTIMATE.start_main_~k~5 200), 131141#(<= ULTIMATE.start_main_~k~5 201), 131146#(<= ULTIMATE.start_main_~k~5 206), 131147#(<= ULTIMATE.start_main_~k~5 207), 131144#(<= ULTIMATE.start_main_~k~5 204), 131145#(<= ULTIMATE.start_main_~k~5 205), 131150#(<= ULTIMATE.start_main_~k~5 210), 131151#(<= ULTIMATE.start_main_~k~5 211), 131148#(<= ULTIMATE.start_main_~k~5 208), 131149#(<= ULTIMATE.start_main_~k~5 209), 131154#(<= ULTIMATE.start_main_~k~5 214), 131155#(<= ULTIMATE.start_main_~k~5 215), 131152#(<= ULTIMATE.start_main_~k~5 212), 131153#(<= ULTIMATE.start_main_~k~5 213), 131158#(<= ULTIMATE.start_main_~k~5 218), 131159#(<= ULTIMATE.start_main_~k~5 219), 131156#(<= ULTIMATE.start_main_~k~5 216), 131157#(<= ULTIMATE.start_main_~k~5 217), 131162#(<= ULTIMATE.start_main_~k~5 222), 131163#(<= ULTIMATE.start_main_~k~5 223), 131160#(<= ULTIMATE.start_main_~k~5 220), 131161#(<= ULTIMATE.start_main_~k~5 221), 131164#(<= ULTIMATE.start_main_~k~5 224), 130939#false, 130938#true, 130941#(<= ULTIMATE.start_main_~k~5 1), 130940#(<= ULTIMATE.start_main_~k~5 0), 130943#(<= ULTIMATE.start_main_~k~5 3), 130942#(<= ULTIMATE.start_main_~k~5 2), 130945#(<= ULTIMATE.start_main_~k~5 5), 130944#(<= ULTIMATE.start_main_~k~5 4), 130947#(<= ULTIMATE.start_main_~k~5 7), 130946#(<= ULTIMATE.start_main_~k~5 6), 130949#(<= ULTIMATE.start_main_~k~5 9), 130948#(<= ULTIMATE.start_main_~k~5 8), 130951#(<= ULTIMATE.start_main_~k~5 11), 130950#(<= ULTIMATE.start_main_~k~5 10), 130953#(<= ULTIMATE.start_main_~k~5 13), 130952#(<= ULTIMATE.start_main_~k~5 12), 130955#(<= ULTIMATE.start_main_~k~5 15), 130954#(<= ULTIMATE.start_main_~k~5 14), 130957#(<= ULTIMATE.start_main_~k~5 17), 130956#(<= ULTIMATE.start_main_~k~5 16), 130959#(<= ULTIMATE.start_main_~k~5 19), 130958#(<= ULTIMATE.start_main_~k~5 18), 130961#(<= ULTIMATE.start_main_~k~5 21), 130960#(<= ULTIMATE.start_main_~k~5 20), 130963#(<= ULTIMATE.start_main_~k~5 23), 130962#(<= ULTIMATE.start_main_~k~5 22), 130965#(<= ULTIMATE.start_main_~k~5 25), 130964#(<= ULTIMATE.start_main_~k~5 24), 130967#(<= ULTIMATE.start_main_~k~5 27), 130966#(<= ULTIMATE.start_main_~k~5 26), 130969#(<= ULTIMATE.start_main_~k~5 29), 130968#(<= ULTIMATE.start_main_~k~5 28), 130971#(<= ULTIMATE.start_main_~k~5 31), 130970#(<= ULTIMATE.start_main_~k~5 30), 130973#(<= ULTIMATE.start_main_~k~5 33), 130972#(<= ULTIMATE.start_main_~k~5 32), 130975#(<= ULTIMATE.start_main_~k~5 35), 130974#(<= ULTIMATE.start_main_~k~5 34), 130977#(<= ULTIMATE.start_main_~k~5 37), 130976#(<= ULTIMATE.start_main_~k~5 36), 130979#(<= ULTIMATE.start_main_~k~5 39), 130978#(<= ULTIMATE.start_main_~k~5 38), 130981#(<= ULTIMATE.start_main_~k~5 41), 130980#(<= ULTIMATE.start_main_~k~5 40), 130983#(<= ULTIMATE.start_main_~k~5 43), 130982#(<= ULTIMATE.start_main_~k~5 42), 130985#(<= ULTIMATE.start_main_~k~5 45), 130984#(<= ULTIMATE.start_main_~k~5 44), 130987#(<= ULTIMATE.start_main_~k~5 47), 130986#(<= ULTIMATE.start_main_~k~5 46), 130989#(<= ULTIMATE.start_main_~k~5 49), 130988#(<= ULTIMATE.start_main_~k~5 48), 130991#(<= ULTIMATE.start_main_~k~5 51), 130990#(<= ULTIMATE.start_main_~k~5 50), 130993#(<= ULTIMATE.start_main_~k~5 53), 130992#(<= ULTIMATE.start_main_~k~5 52), 130995#(<= ULTIMATE.start_main_~k~5 55), 130994#(<= ULTIMATE.start_main_~k~5 54), 130997#(<= ULTIMATE.start_main_~k~5 57), 130996#(<= ULTIMATE.start_main_~k~5 56), 130999#(<= ULTIMATE.start_main_~k~5 59), 130998#(<= ULTIMATE.start_main_~k~5 58), 131001#(<= ULTIMATE.start_main_~k~5 61), 131000#(<= ULTIMATE.start_main_~k~5 60), 131003#(<= ULTIMATE.start_main_~k~5 63), 131002#(<= ULTIMATE.start_main_~k~5 62), 131005#(<= ULTIMATE.start_main_~k~5 65), 131004#(<= ULTIMATE.start_main_~k~5 64), 131007#(<= ULTIMATE.start_main_~k~5 67), 131006#(<= ULTIMATE.start_main_~k~5 66), 131009#(<= ULTIMATE.start_main_~k~5 69), 131008#(<= ULTIMATE.start_main_~k~5 68), 131011#(<= ULTIMATE.start_main_~k~5 71), 131010#(<= ULTIMATE.start_main_~k~5 70), 131013#(<= ULTIMATE.start_main_~k~5 73), 131012#(<= ULTIMATE.start_main_~k~5 72), 131015#(<= ULTIMATE.start_main_~k~5 75), 131014#(<= ULTIMATE.start_main_~k~5 74), 131017#(<= ULTIMATE.start_main_~k~5 77), 131016#(<= ULTIMATE.start_main_~k~5 76), 131019#(<= ULTIMATE.start_main_~k~5 79), 131018#(<= ULTIMATE.start_main_~k~5 78), 131021#(<= ULTIMATE.start_main_~k~5 81), 131020#(<= ULTIMATE.start_main_~k~5 80), 131023#(<= ULTIMATE.start_main_~k~5 83), 131022#(<= ULTIMATE.start_main_~k~5 82), 131025#(<= ULTIMATE.start_main_~k~5 85), 131024#(<= ULTIMATE.start_main_~k~5 84), 131027#(<= ULTIMATE.start_main_~k~5 87), 131026#(<= ULTIMATE.start_main_~k~5 86), 131029#(<= ULTIMATE.start_main_~k~5 89), 131028#(<= ULTIMATE.start_main_~k~5 88), 131031#(<= ULTIMATE.start_main_~k~5 91), 131030#(<= ULTIMATE.start_main_~k~5 90), 131033#(<= ULTIMATE.start_main_~k~5 93), 131032#(<= ULTIMATE.start_main_~k~5 92), 131035#(<= ULTIMATE.start_main_~k~5 95), 131034#(<= ULTIMATE.start_main_~k~5 94), 131037#(<= ULTIMATE.start_main_~k~5 97), 131036#(<= ULTIMATE.start_main_~k~5 96), 131039#(<= ULTIMATE.start_main_~k~5 99), 131038#(<= ULTIMATE.start_main_~k~5 98), 131041#(<= ULTIMATE.start_main_~k~5 101), 131040#(<= ULTIMATE.start_main_~k~5 100), 131043#(<= ULTIMATE.start_main_~k~5 103), 131042#(<= ULTIMATE.start_main_~k~5 102), 131045#(<= ULTIMATE.start_main_~k~5 105), 131044#(<= ULTIMATE.start_main_~k~5 104), 131047#(<= ULTIMATE.start_main_~k~5 107), 131046#(<= ULTIMATE.start_main_~k~5 106), 131049#(<= ULTIMATE.start_main_~k~5 109), 131048#(<= ULTIMATE.start_main_~k~5 108), 131051#(<= ULTIMATE.start_main_~k~5 111), 131050#(<= ULTIMATE.start_main_~k~5 110), 131053#(<= ULTIMATE.start_main_~k~5 113), 131052#(<= ULTIMATE.start_main_~k~5 112), 131055#(<= ULTIMATE.start_main_~k~5 115), 131054#(<= ULTIMATE.start_main_~k~5 114), 131057#(<= ULTIMATE.start_main_~k~5 117), 131056#(<= ULTIMATE.start_main_~k~5 116), 131059#(<= ULTIMATE.start_main_~k~5 119), 131058#(<= ULTIMATE.start_main_~k~5 118), 131061#(<= ULTIMATE.start_main_~k~5 121), 131060#(<= ULTIMATE.start_main_~k~5 120), 131063#(<= ULTIMATE.start_main_~k~5 123), 131062#(<= ULTIMATE.start_main_~k~5 122), 131065#(<= ULTIMATE.start_main_~k~5 125), 131064#(<= ULTIMATE.start_main_~k~5 124), 131067#(<= ULTIMATE.start_main_~k~5 127), 131066#(<= ULTIMATE.start_main_~k~5 126), 131069#(<= ULTIMATE.start_main_~k~5 129), 131068#(<= ULTIMATE.start_main_~k~5 128), 131071#(<= ULTIMATE.start_main_~k~5 131), 131070#(<= ULTIMATE.start_main_~k~5 130)] [2018-07-23 13:43:39,656 INFO L134 CoverageAnalysis]: Checked inductivity of 25200 backedges. 0 proven. 25200 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2018-07-23 13:43:39,656 INFO L450 AbstractCegarLoop]: Interpolant automaton has 227 states [2018-07-23 13:43:39,659 INFO L132 InterpolantAutomaton]: Constructing interpolant automaton starting with 227 interpolants. [2018-07-23 13:43:39,661 INFO L133 InterpolantAutomaton]: CoverageRelationStatistics Valid=25651, Invalid=25651, Unknown=0, NotChecked=0, Total=51302 [2018-07-23 13:43:39,661 INFO L87 Difference]: Start difference. First operand 228 states and 228 transitions. Second operand 227 states. [2018-07-23 13:43:40,109 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2018-07-23 13:43:40,109 INFO L93 Difference]: Finished difference Result 231 states and 231 transitions. [2018-07-23 13:43:40,109 INFO L142 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 227 states. [2018-07-23 13:43:40,109 INFO L78 Accepts]: Start accepts. Automaton has 227 states. Word has length 227 [2018-07-23 13:43:40,109 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2018-07-23 13:43:40,110 INFO L225 Difference]: With dead ends: 231 [2018-07-23 13:43:40,110 INFO L226 Difference]: Without dead ends: 229 [2018-07-23 13:43:40,112 INFO L575 BasicCegarLoop]: 0 DeclaredPredicates, 226 GetRequests, 1 SyntacticMatches, 0 SemanticMatches, 225 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 0 ImplicationChecksByTransitivity, 1.0s TimeCoverageRelationStatistics Valid=25651, Invalid=25651, Unknown=0, NotChecked=0, Total=51302 [2018-07-23 13:43:40,112 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 229 states. [2018-07-23 13:43:40,114 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 229 to 229. [2018-07-23 13:43:40,114 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 229 states. [2018-07-23 13:43:40,115 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 229 states to 229 states and 229 transitions. [2018-07-23 13:43:40,115 INFO L78 Accepts]: Start accepts. Automaton has 229 states and 229 transitions. Word has length 227 [2018-07-23 13:43:40,115 INFO L84 Accepts]: Finished accepts. word is rejected. [2018-07-23 13:43:40,115 INFO L471 AbstractCegarLoop]: Abstraction has 229 states and 229 transitions. [2018-07-23 13:43:40,115 INFO L472 AbstractCegarLoop]: Interpolant automaton has 227 states. [2018-07-23 13:43:40,115 INFO L276 IsEmpty]: Start isEmpty. Operand 229 states and 229 transitions. [2018-07-23 13:43:40,116 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 229 [2018-07-23 13:43:40,116 INFO L349 BasicCegarLoop]: Found error trace [2018-07-23 13:43:40,116 INFO L357 BasicCegarLoop]: trace histogram [225, 1, 1, 1] [2018-07-23 13:43:40,116 INFO L414 AbstractCegarLoop]: === Iteration 226 === [ULTIMATE.startErr0AssertViolationASSERT]=== [2018-07-23 13:43:40,116 INFO L82 PathProgramCache]: Analyzing trace with hash -1532786392, now seen corresponding path program 225 times [2018-07-23 13:43:40,116 INFO L69 tionRefinementEngine]: Using refinement strategy FixedRefinementStrategy [2018-07-23 13:43:40,241 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-07-23 13:43:41,519 INFO L134 CoverageAnalysis]: Checked inductivity of 25425 backedges. 0 proven. 25425 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2018-07-23 13:43:41,520 INFO L309 seRefinementStrategy]: Constructing automaton from 0 perfect and 1 imperfect interpolant sequences. [2018-07-23 13:43:41,520 INFO L324 seRefinementStrategy]: Number of different interpolants: perfect sequences [] imperfect sequences [227] total 227 [2018-07-23 13:43:41,520 INFO L142 lantAutomatonBuilder]: Constructing canonical interpolant automaton, with selfloop in false state [2018-07-23 13:43:41,520 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2018-07-23 13:43:41,520 INFO L185 omatonBuilderFactory]: Interpolants [132098#(<= ULTIMATE.start_main_~k~5 11), 132099#(<= ULTIMATE.start_main_~k~5 12), 132096#(<= ULTIMATE.start_main_~k~5 9), 132097#(<= ULTIMATE.start_main_~k~5 10), 132102#(<= ULTIMATE.start_main_~k~5 15), 132103#(<= ULTIMATE.start_main_~k~5 16), 132100#(<= ULTIMATE.start_main_~k~5 13), 132101#(<= ULTIMATE.start_main_~k~5 14), 132106#(<= ULTIMATE.start_main_~k~5 19), 132107#(<= ULTIMATE.start_main_~k~5 20), 132104#(<= ULTIMATE.start_main_~k~5 17), 132105#(<= ULTIMATE.start_main_~k~5 18), 132110#(<= ULTIMATE.start_main_~k~5 23), 132111#(<= ULTIMATE.start_main_~k~5 24), 132108#(<= ULTIMATE.start_main_~k~5 21), 132109#(<= ULTIMATE.start_main_~k~5 22), 132114#(<= ULTIMATE.start_main_~k~5 27), 132115#(<= ULTIMATE.start_main_~k~5 28), 132112#(<= ULTIMATE.start_main_~k~5 25), 132113#(<= ULTIMATE.start_main_~k~5 26), 132118#(<= ULTIMATE.start_main_~k~5 31), 132119#(<= ULTIMATE.start_main_~k~5 32), 132116#(<= ULTIMATE.start_main_~k~5 29), 132117#(<= ULTIMATE.start_main_~k~5 30), 132122#(<= ULTIMATE.start_main_~k~5 35), 132123#(<= ULTIMATE.start_main_~k~5 36), 132120#(<= ULTIMATE.start_main_~k~5 33), 132121#(<= ULTIMATE.start_main_~k~5 34), 132126#(<= ULTIMATE.start_main_~k~5 39), 132127#(<= ULTIMATE.start_main_~k~5 40), 132124#(<= ULTIMATE.start_main_~k~5 37), 132125#(<= ULTIMATE.start_main_~k~5 38), 132130#(<= ULTIMATE.start_main_~k~5 43), 132131#(<= ULTIMATE.start_main_~k~5 44), 132128#(<= ULTIMATE.start_main_~k~5 41), 132129#(<= ULTIMATE.start_main_~k~5 42), 132134#(<= ULTIMATE.start_main_~k~5 47), 132135#(<= ULTIMATE.start_main_~k~5 48), 132132#(<= ULTIMATE.start_main_~k~5 45), 132133#(<= ULTIMATE.start_main_~k~5 46), 132138#(<= ULTIMATE.start_main_~k~5 51), 132139#(<= ULTIMATE.start_main_~k~5 52), 132136#(<= ULTIMATE.start_main_~k~5 49), 132137#(<= ULTIMATE.start_main_~k~5 50), 132142#(<= ULTIMATE.start_main_~k~5 55), 132143#(<= ULTIMATE.start_main_~k~5 56), 132140#(<= ULTIMATE.start_main_~k~5 53), 132141#(<= ULTIMATE.start_main_~k~5 54), 132146#(<= ULTIMATE.start_main_~k~5 59), 132147#(<= ULTIMATE.start_main_~k~5 60), 132144#(<= ULTIMATE.start_main_~k~5 57), 132145#(<= ULTIMATE.start_main_~k~5 58), 132150#(<= ULTIMATE.start_main_~k~5 63), 132151#(<= ULTIMATE.start_main_~k~5 64), 132148#(<= ULTIMATE.start_main_~k~5 61), 132149#(<= ULTIMATE.start_main_~k~5 62), 132154#(<= ULTIMATE.start_main_~k~5 67), 132155#(<= ULTIMATE.start_main_~k~5 68), 132152#(<= ULTIMATE.start_main_~k~5 65), 132153#(<= ULTIMATE.start_main_~k~5 66), 132158#(<= ULTIMATE.start_main_~k~5 71), 132159#(<= ULTIMATE.start_main_~k~5 72), 132156#(<= ULTIMATE.start_main_~k~5 69), 132157#(<= ULTIMATE.start_main_~k~5 70), 132162#(<= ULTIMATE.start_main_~k~5 75), 132163#(<= ULTIMATE.start_main_~k~5 76), 132160#(<= ULTIMATE.start_main_~k~5 73), 132161#(<= ULTIMATE.start_main_~k~5 74), 132166#(<= ULTIMATE.start_main_~k~5 79), 132167#(<= ULTIMATE.start_main_~k~5 80), 132164#(<= ULTIMATE.start_main_~k~5 77), 132165#(<= ULTIMATE.start_main_~k~5 78), 132170#(<= ULTIMATE.start_main_~k~5 83), 132171#(<= ULTIMATE.start_main_~k~5 84), 132168#(<= ULTIMATE.start_main_~k~5 81), 132169#(<= ULTIMATE.start_main_~k~5 82), 132174#(<= ULTIMATE.start_main_~k~5 87), 132175#(<= ULTIMATE.start_main_~k~5 88), 132172#(<= ULTIMATE.start_main_~k~5 85), 132173#(<= ULTIMATE.start_main_~k~5 86), 132178#(<= ULTIMATE.start_main_~k~5 91), 132179#(<= ULTIMATE.start_main_~k~5 92), 132176#(<= ULTIMATE.start_main_~k~5 89), 132177#(<= ULTIMATE.start_main_~k~5 90), 132182#(<= ULTIMATE.start_main_~k~5 95), 132183#(<= ULTIMATE.start_main_~k~5 96), 132180#(<= ULTIMATE.start_main_~k~5 93), 132181#(<= ULTIMATE.start_main_~k~5 94), 132186#(<= ULTIMATE.start_main_~k~5 99), 132187#(<= ULTIMATE.start_main_~k~5 100), 132184#(<= ULTIMATE.start_main_~k~5 97), 132185#(<= ULTIMATE.start_main_~k~5 98), 132190#(<= ULTIMATE.start_main_~k~5 103), 132191#(<= ULTIMATE.start_main_~k~5 104), 132188#(<= ULTIMATE.start_main_~k~5 101), 132189#(<= ULTIMATE.start_main_~k~5 102), 132194#(<= ULTIMATE.start_main_~k~5 107), 132195#(<= ULTIMATE.start_main_~k~5 108), 132192#(<= ULTIMATE.start_main_~k~5 105), 132193#(<= ULTIMATE.start_main_~k~5 106), 132198#(<= ULTIMATE.start_main_~k~5 111), 132199#(<= ULTIMATE.start_main_~k~5 112), 132196#(<= ULTIMATE.start_main_~k~5 109), 132197#(<= ULTIMATE.start_main_~k~5 110), 132202#(<= ULTIMATE.start_main_~k~5 115), 132203#(<= ULTIMATE.start_main_~k~5 116), 132200#(<= ULTIMATE.start_main_~k~5 113), 132201#(<= ULTIMATE.start_main_~k~5 114), 132206#(<= ULTIMATE.start_main_~k~5 119), 132207#(<= ULTIMATE.start_main_~k~5 120), 132204#(<= ULTIMATE.start_main_~k~5 117), 132205#(<= ULTIMATE.start_main_~k~5 118), 132210#(<= ULTIMATE.start_main_~k~5 123), 132211#(<= ULTIMATE.start_main_~k~5 124), 132208#(<= ULTIMATE.start_main_~k~5 121), 132209#(<= ULTIMATE.start_main_~k~5 122), 132214#(<= ULTIMATE.start_main_~k~5 127), 132215#(<= ULTIMATE.start_main_~k~5 128), 132212#(<= ULTIMATE.start_main_~k~5 125), 132213#(<= ULTIMATE.start_main_~k~5 126), 132218#(<= ULTIMATE.start_main_~k~5 131), 132219#(<= ULTIMATE.start_main_~k~5 132), 132216#(<= ULTIMATE.start_main_~k~5 129), 132217#(<= ULTIMATE.start_main_~k~5 130), 132222#(<= ULTIMATE.start_main_~k~5 135), 132223#(<= ULTIMATE.start_main_~k~5 136), 132220#(<= ULTIMATE.start_main_~k~5 133), 132221#(<= ULTIMATE.start_main_~k~5 134), 132226#(<= ULTIMATE.start_main_~k~5 139), 132227#(<= ULTIMATE.start_main_~k~5 140), 132224#(<= ULTIMATE.start_main_~k~5 137), 132225#(<= ULTIMATE.start_main_~k~5 138), 132230#(<= ULTIMATE.start_main_~k~5 143), 132231#(<= ULTIMATE.start_main_~k~5 144), 132228#(<= ULTIMATE.start_main_~k~5 141), 132229#(<= ULTIMATE.start_main_~k~5 142), 132234#(<= ULTIMATE.start_main_~k~5 147), 132235#(<= ULTIMATE.start_main_~k~5 148), 132232#(<= ULTIMATE.start_main_~k~5 145), 132233#(<= ULTIMATE.start_main_~k~5 146), 132238#(<= ULTIMATE.start_main_~k~5 151), 132239#(<= ULTIMATE.start_main_~k~5 152), 132236#(<= ULTIMATE.start_main_~k~5 149), 132237#(<= ULTIMATE.start_main_~k~5 150), 132242#(<= ULTIMATE.start_main_~k~5 155), 132243#(<= ULTIMATE.start_main_~k~5 156), 132240#(<= ULTIMATE.start_main_~k~5 153), 132241#(<= ULTIMATE.start_main_~k~5 154), 132246#(<= ULTIMATE.start_main_~k~5 159), 132247#(<= ULTIMATE.start_main_~k~5 160), 132244#(<= ULTIMATE.start_main_~k~5 157), 132245#(<= ULTIMATE.start_main_~k~5 158), 132250#(<= ULTIMATE.start_main_~k~5 163), 132251#(<= ULTIMATE.start_main_~k~5 164), 132248#(<= ULTIMATE.start_main_~k~5 161), 132249#(<= ULTIMATE.start_main_~k~5 162), 132254#(<= ULTIMATE.start_main_~k~5 167), 132255#(<= ULTIMATE.start_main_~k~5 168), 132252#(<= ULTIMATE.start_main_~k~5 165), 132253#(<= ULTIMATE.start_main_~k~5 166), 132258#(<= ULTIMATE.start_main_~k~5 171), 132259#(<= ULTIMATE.start_main_~k~5 172), 132256#(<= ULTIMATE.start_main_~k~5 169), 132257#(<= ULTIMATE.start_main_~k~5 170), 132262#(<= ULTIMATE.start_main_~k~5 175), 132263#(<= ULTIMATE.start_main_~k~5 176), 132260#(<= ULTIMATE.start_main_~k~5 173), 132261#(<= ULTIMATE.start_main_~k~5 174), 132266#(<= ULTIMATE.start_main_~k~5 179), 132267#(<= ULTIMATE.start_main_~k~5 180), 132264#(<= ULTIMATE.start_main_~k~5 177), 132265#(<= ULTIMATE.start_main_~k~5 178), 132270#(<= ULTIMATE.start_main_~k~5 183), 132271#(<= ULTIMATE.start_main_~k~5 184), 132268#(<= ULTIMATE.start_main_~k~5 181), 132269#(<= ULTIMATE.start_main_~k~5 182), 132274#(<= ULTIMATE.start_main_~k~5 187), 132275#(<= ULTIMATE.start_main_~k~5 188), 132272#(<= ULTIMATE.start_main_~k~5 185), 132273#(<= ULTIMATE.start_main_~k~5 186), 132278#(<= ULTIMATE.start_main_~k~5 191), 132279#(<= ULTIMATE.start_main_~k~5 192), 132276#(<= ULTIMATE.start_main_~k~5 189), 132277#(<= ULTIMATE.start_main_~k~5 190), 132282#(<= ULTIMATE.start_main_~k~5 195), 132283#(<= ULTIMATE.start_main_~k~5 196), 132280#(<= ULTIMATE.start_main_~k~5 193), 132281#(<= ULTIMATE.start_main_~k~5 194), 132286#(<= ULTIMATE.start_main_~k~5 199), 132287#(<= ULTIMATE.start_main_~k~5 200), 132284#(<= ULTIMATE.start_main_~k~5 197), 132285#(<= ULTIMATE.start_main_~k~5 198), 132290#(<= ULTIMATE.start_main_~k~5 203), 132291#(<= ULTIMATE.start_main_~k~5 204), 132288#(<= ULTIMATE.start_main_~k~5 201), 132289#(<= ULTIMATE.start_main_~k~5 202), 132294#(<= ULTIMATE.start_main_~k~5 207), 132295#(<= ULTIMATE.start_main_~k~5 208), 132292#(<= ULTIMATE.start_main_~k~5 205), 132293#(<= ULTIMATE.start_main_~k~5 206), 132298#(<= ULTIMATE.start_main_~k~5 211), 132299#(<= ULTIMATE.start_main_~k~5 212), 132296#(<= ULTIMATE.start_main_~k~5 209), 132297#(<= ULTIMATE.start_main_~k~5 210), 132302#(<= ULTIMATE.start_main_~k~5 215), 132303#(<= ULTIMATE.start_main_~k~5 216), 132300#(<= ULTIMATE.start_main_~k~5 213), 132301#(<= ULTIMATE.start_main_~k~5 214), 132306#(<= ULTIMATE.start_main_~k~5 219), 132307#(<= ULTIMATE.start_main_~k~5 220), 132304#(<= ULTIMATE.start_main_~k~5 217), 132305#(<= ULTIMATE.start_main_~k~5 218), 132310#(<= ULTIMATE.start_main_~k~5 223), 132311#(<= ULTIMATE.start_main_~k~5 224), 132308#(<= ULTIMATE.start_main_~k~5 221), 132309#(<= ULTIMATE.start_main_~k~5 222), 132312#(<= ULTIMATE.start_main_~k~5 225), 132086#false, 132087#(<= ULTIMATE.start_main_~k~5 0), 132085#true, 132090#(<= ULTIMATE.start_main_~k~5 3), 132091#(<= ULTIMATE.start_main_~k~5 4), 132088#(<= ULTIMATE.start_main_~k~5 1), 132089#(<= ULTIMATE.start_main_~k~5 2), 132094#(<= ULTIMATE.start_main_~k~5 7), 132095#(<= ULTIMATE.start_main_~k~5 8), 132092#(<= ULTIMATE.start_main_~k~5 5), 132093#(<= ULTIMATE.start_main_~k~5 6)] [2018-07-23 13:43:41,522 INFO L134 CoverageAnalysis]: Checked inductivity of 25425 backedges. 0 proven. 25425 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2018-07-23 13:43:41,522 INFO L450 AbstractCegarLoop]: Interpolant automaton has 228 states [2018-07-23 13:43:41,526 INFO L132 InterpolantAutomaton]: Constructing interpolant automaton starting with 228 interpolants. [2018-07-23 13:43:41,528 INFO L133 InterpolantAutomaton]: CoverageRelationStatistics Valid=25878, Invalid=25878, Unknown=0, NotChecked=0, Total=51756 [2018-07-23 13:43:41,528 INFO L87 Difference]: Start difference. First operand 229 states and 229 transitions. Second operand 228 states. [2018-07-23 13:43:43,248 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2018-07-23 13:43:43,249 INFO L93 Difference]: Finished difference Result 232 states and 232 transitions. [2018-07-23 13:43:43,249 INFO L142 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 228 states. [2018-07-23 13:43:43,249 INFO L78 Accepts]: Start accepts. Automaton has 228 states. Word has length 228 [2018-07-23 13:43:43,249 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2018-07-23 13:43:43,249 INFO L225 Difference]: With dead ends: 232 [2018-07-23 13:43:43,249 INFO L226 Difference]: Without dead ends: 230 [2018-07-23 13:43:43,252 INFO L575 BasicCegarLoop]: 0 DeclaredPredicates, 227 GetRequests, 1 SyntacticMatches, 0 SemanticMatches, 226 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 0 ImplicationChecksByTransitivity, 1.1s TimeCoverageRelationStatistics Valid=25878, Invalid=25878, Unknown=0, NotChecked=0, Total=51756 [2018-07-23 13:43:43,252 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 230 states. [2018-07-23 13:43:43,255 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 230 to 230. [2018-07-23 13:43:43,255 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 230 states. [2018-07-23 13:43:43,255 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 230 states to 230 states and 230 transitions. [2018-07-23 13:43:43,255 INFO L78 Accepts]: Start accepts. Automaton has 230 states and 230 transitions. Word has length 228 [2018-07-23 13:43:43,255 INFO L84 Accepts]: Finished accepts. word is rejected. [2018-07-23 13:43:43,255 INFO L471 AbstractCegarLoop]: Abstraction has 230 states and 230 transitions. [2018-07-23 13:43:43,256 INFO L472 AbstractCegarLoop]: Interpolant automaton has 228 states. [2018-07-23 13:43:43,256 INFO L276 IsEmpty]: Start isEmpty. Operand 230 states and 230 transitions. [2018-07-23 13:43:43,256 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 230 [2018-07-23 13:43:43,256 INFO L349 BasicCegarLoop]: Found error trace [2018-07-23 13:43:43,256 INFO L357 BasicCegarLoop]: trace histogram [226, 1, 1, 1] [2018-07-23 13:43:43,256 INFO L414 AbstractCegarLoop]: === Iteration 227 === [ULTIMATE.startErr0AssertViolationASSERT]=== [2018-07-23 13:43:43,256 INFO L82 PathProgramCache]: Analyzing trace with hash -271739871, now seen corresponding path program 226 times [2018-07-23 13:43:43,257 INFO L69 tionRefinementEngine]: Using refinement strategy FixedRefinementStrategy [2018-07-23 13:43:43,381 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-07-23 13:43:44,678 INFO L134 CoverageAnalysis]: Checked inductivity of 25651 backedges. 0 proven. 25651 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2018-07-23 13:43:44,679 INFO L309 seRefinementStrategy]: Constructing automaton from 0 perfect and 1 imperfect interpolant sequences. [2018-07-23 13:43:44,679 INFO L324 seRefinementStrategy]: Number of different interpolants: perfect sequences [] imperfect sequences [228] total 228 [2018-07-23 13:43:44,679 INFO L142 lantAutomatonBuilder]: Constructing canonical interpolant automaton, with selfloop in false state [2018-07-23 13:43:44,679 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2018-07-23 13:43:44,679 INFO L185 omatonBuilderFactory]: Interpolants [133238#false, 133239#(<= ULTIMATE.start_main_~k~5 0), 133237#true, 133242#(<= ULTIMATE.start_main_~k~5 3), 133243#(<= ULTIMATE.start_main_~k~5 4), 133240#(<= ULTIMATE.start_main_~k~5 1), 133241#(<= ULTIMATE.start_main_~k~5 2), 133246#(<= ULTIMATE.start_main_~k~5 7), 133247#(<= ULTIMATE.start_main_~k~5 8), 133244#(<= ULTIMATE.start_main_~k~5 5), 133245#(<= ULTIMATE.start_main_~k~5 6), 133250#(<= ULTIMATE.start_main_~k~5 11), 133251#(<= ULTIMATE.start_main_~k~5 12), 133248#(<= ULTIMATE.start_main_~k~5 9), 133249#(<= ULTIMATE.start_main_~k~5 10), 133254#(<= ULTIMATE.start_main_~k~5 15), 133255#(<= ULTIMATE.start_main_~k~5 16), 133252#(<= ULTIMATE.start_main_~k~5 13), 133253#(<= ULTIMATE.start_main_~k~5 14), 133258#(<= ULTIMATE.start_main_~k~5 19), 133259#(<= ULTIMATE.start_main_~k~5 20), 133256#(<= ULTIMATE.start_main_~k~5 17), 133257#(<= ULTIMATE.start_main_~k~5 18), 133262#(<= ULTIMATE.start_main_~k~5 23), 133263#(<= ULTIMATE.start_main_~k~5 24), 133260#(<= ULTIMATE.start_main_~k~5 21), 133261#(<= ULTIMATE.start_main_~k~5 22), 133266#(<= ULTIMATE.start_main_~k~5 27), 133267#(<= ULTIMATE.start_main_~k~5 28), 133264#(<= ULTIMATE.start_main_~k~5 25), 133265#(<= ULTIMATE.start_main_~k~5 26), 133270#(<= ULTIMATE.start_main_~k~5 31), 133271#(<= ULTIMATE.start_main_~k~5 32), 133268#(<= ULTIMATE.start_main_~k~5 29), 133269#(<= ULTIMATE.start_main_~k~5 30), 133274#(<= ULTIMATE.start_main_~k~5 35), 133275#(<= ULTIMATE.start_main_~k~5 36), 133272#(<= ULTIMATE.start_main_~k~5 33), 133273#(<= ULTIMATE.start_main_~k~5 34), 133278#(<= ULTIMATE.start_main_~k~5 39), 133279#(<= ULTIMATE.start_main_~k~5 40), 133276#(<= ULTIMATE.start_main_~k~5 37), 133277#(<= ULTIMATE.start_main_~k~5 38), 133282#(<= ULTIMATE.start_main_~k~5 43), 133283#(<= ULTIMATE.start_main_~k~5 44), 133280#(<= ULTIMATE.start_main_~k~5 41), 133281#(<= ULTIMATE.start_main_~k~5 42), 133286#(<= ULTIMATE.start_main_~k~5 47), 133287#(<= ULTIMATE.start_main_~k~5 48), 133284#(<= ULTIMATE.start_main_~k~5 45), 133285#(<= ULTIMATE.start_main_~k~5 46), 133290#(<= ULTIMATE.start_main_~k~5 51), 133291#(<= ULTIMATE.start_main_~k~5 52), 133288#(<= ULTIMATE.start_main_~k~5 49), 133289#(<= ULTIMATE.start_main_~k~5 50), 133294#(<= ULTIMATE.start_main_~k~5 55), 133295#(<= ULTIMATE.start_main_~k~5 56), 133292#(<= ULTIMATE.start_main_~k~5 53), 133293#(<= ULTIMATE.start_main_~k~5 54), 133298#(<= ULTIMATE.start_main_~k~5 59), 133299#(<= ULTIMATE.start_main_~k~5 60), 133296#(<= ULTIMATE.start_main_~k~5 57), 133297#(<= ULTIMATE.start_main_~k~5 58), 133302#(<= ULTIMATE.start_main_~k~5 63), 133303#(<= ULTIMATE.start_main_~k~5 64), 133300#(<= ULTIMATE.start_main_~k~5 61), 133301#(<= ULTIMATE.start_main_~k~5 62), 133306#(<= ULTIMATE.start_main_~k~5 67), 133307#(<= ULTIMATE.start_main_~k~5 68), 133304#(<= ULTIMATE.start_main_~k~5 65), 133305#(<= ULTIMATE.start_main_~k~5 66), 133310#(<= ULTIMATE.start_main_~k~5 71), 133311#(<= ULTIMATE.start_main_~k~5 72), 133308#(<= ULTIMATE.start_main_~k~5 69), 133309#(<= ULTIMATE.start_main_~k~5 70), 133314#(<= ULTIMATE.start_main_~k~5 75), 133315#(<= ULTIMATE.start_main_~k~5 76), 133312#(<= ULTIMATE.start_main_~k~5 73), 133313#(<= ULTIMATE.start_main_~k~5 74), 133318#(<= ULTIMATE.start_main_~k~5 79), 133319#(<= ULTIMATE.start_main_~k~5 80), 133316#(<= ULTIMATE.start_main_~k~5 77), 133317#(<= ULTIMATE.start_main_~k~5 78), 133322#(<= ULTIMATE.start_main_~k~5 83), 133323#(<= ULTIMATE.start_main_~k~5 84), 133320#(<= ULTIMATE.start_main_~k~5 81), 133321#(<= ULTIMATE.start_main_~k~5 82), 133326#(<= ULTIMATE.start_main_~k~5 87), 133327#(<= ULTIMATE.start_main_~k~5 88), 133324#(<= ULTIMATE.start_main_~k~5 85), 133325#(<= ULTIMATE.start_main_~k~5 86), 133330#(<= ULTIMATE.start_main_~k~5 91), 133331#(<= ULTIMATE.start_main_~k~5 92), 133328#(<= ULTIMATE.start_main_~k~5 89), 133329#(<= ULTIMATE.start_main_~k~5 90), 133334#(<= ULTIMATE.start_main_~k~5 95), 133335#(<= ULTIMATE.start_main_~k~5 96), 133332#(<= ULTIMATE.start_main_~k~5 93), 133333#(<= ULTIMATE.start_main_~k~5 94), 133338#(<= ULTIMATE.start_main_~k~5 99), 133339#(<= ULTIMATE.start_main_~k~5 100), 133336#(<= ULTIMATE.start_main_~k~5 97), 133337#(<= ULTIMATE.start_main_~k~5 98), 133342#(<= ULTIMATE.start_main_~k~5 103), 133343#(<= ULTIMATE.start_main_~k~5 104), 133340#(<= ULTIMATE.start_main_~k~5 101), 133341#(<= ULTIMATE.start_main_~k~5 102), 133346#(<= ULTIMATE.start_main_~k~5 107), 133347#(<= ULTIMATE.start_main_~k~5 108), 133344#(<= ULTIMATE.start_main_~k~5 105), 133345#(<= ULTIMATE.start_main_~k~5 106), 133350#(<= ULTIMATE.start_main_~k~5 111), 133351#(<= ULTIMATE.start_main_~k~5 112), 133348#(<= ULTIMATE.start_main_~k~5 109), 133349#(<= ULTIMATE.start_main_~k~5 110), 133354#(<= ULTIMATE.start_main_~k~5 115), 133355#(<= ULTIMATE.start_main_~k~5 116), 133352#(<= ULTIMATE.start_main_~k~5 113), 133353#(<= ULTIMATE.start_main_~k~5 114), 133358#(<= ULTIMATE.start_main_~k~5 119), 133359#(<= ULTIMATE.start_main_~k~5 120), 133356#(<= ULTIMATE.start_main_~k~5 117), 133357#(<= ULTIMATE.start_main_~k~5 118), 133362#(<= ULTIMATE.start_main_~k~5 123), 133363#(<= ULTIMATE.start_main_~k~5 124), 133360#(<= ULTIMATE.start_main_~k~5 121), 133361#(<= ULTIMATE.start_main_~k~5 122), 133366#(<= ULTIMATE.start_main_~k~5 127), 133367#(<= ULTIMATE.start_main_~k~5 128), 133364#(<= ULTIMATE.start_main_~k~5 125), 133365#(<= ULTIMATE.start_main_~k~5 126), 133370#(<= ULTIMATE.start_main_~k~5 131), 133371#(<= ULTIMATE.start_main_~k~5 132), 133368#(<= ULTIMATE.start_main_~k~5 129), 133369#(<= ULTIMATE.start_main_~k~5 130), 133374#(<= ULTIMATE.start_main_~k~5 135), 133375#(<= ULTIMATE.start_main_~k~5 136), 133372#(<= ULTIMATE.start_main_~k~5 133), 133373#(<= ULTIMATE.start_main_~k~5 134), 133378#(<= ULTIMATE.start_main_~k~5 139), 133379#(<= ULTIMATE.start_main_~k~5 140), 133376#(<= ULTIMATE.start_main_~k~5 137), 133377#(<= ULTIMATE.start_main_~k~5 138), 133382#(<= ULTIMATE.start_main_~k~5 143), 133383#(<= ULTIMATE.start_main_~k~5 144), 133380#(<= ULTIMATE.start_main_~k~5 141), 133381#(<= ULTIMATE.start_main_~k~5 142), 133386#(<= ULTIMATE.start_main_~k~5 147), 133387#(<= ULTIMATE.start_main_~k~5 148), 133384#(<= ULTIMATE.start_main_~k~5 145), 133385#(<= ULTIMATE.start_main_~k~5 146), 133390#(<= ULTIMATE.start_main_~k~5 151), 133391#(<= ULTIMATE.start_main_~k~5 152), 133388#(<= ULTIMATE.start_main_~k~5 149), 133389#(<= ULTIMATE.start_main_~k~5 150), 133394#(<= ULTIMATE.start_main_~k~5 155), 133395#(<= ULTIMATE.start_main_~k~5 156), 133392#(<= ULTIMATE.start_main_~k~5 153), 133393#(<= ULTIMATE.start_main_~k~5 154), 133398#(<= ULTIMATE.start_main_~k~5 159), 133399#(<= ULTIMATE.start_main_~k~5 160), 133396#(<= ULTIMATE.start_main_~k~5 157), 133397#(<= ULTIMATE.start_main_~k~5 158), 133402#(<= ULTIMATE.start_main_~k~5 163), 133403#(<= ULTIMATE.start_main_~k~5 164), 133400#(<= ULTIMATE.start_main_~k~5 161), 133401#(<= ULTIMATE.start_main_~k~5 162), 133406#(<= ULTIMATE.start_main_~k~5 167), 133407#(<= ULTIMATE.start_main_~k~5 168), 133404#(<= ULTIMATE.start_main_~k~5 165), 133405#(<= ULTIMATE.start_main_~k~5 166), 133410#(<= ULTIMATE.start_main_~k~5 171), 133411#(<= ULTIMATE.start_main_~k~5 172), 133408#(<= ULTIMATE.start_main_~k~5 169), 133409#(<= ULTIMATE.start_main_~k~5 170), 133414#(<= ULTIMATE.start_main_~k~5 175), 133415#(<= ULTIMATE.start_main_~k~5 176), 133412#(<= ULTIMATE.start_main_~k~5 173), 133413#(<= ULTIMATE.start_main_~k~5 174), 133418#(<= ULTIMATE.start_main_~k~5 179), 133419#(<= ULTIMATE.start_main_~k~5 180), 133416#(<= ULTIMATE.start_main_~k~5 177), 133417#(<= ULTIMATE.start_main_~k~5 178), 133422#(<= ULTIMATE.start_main_~k~5 183), 133423#(<= ULTIMATE.start_main_~k~5 184), 133420#(<= ULTIMATE.start_main_~k~5 181), 133421#(<= ULTIMATE.start_main_~k~5 182), 133426#(<= ULTIMATE.start_main_~k~5 187), 133427#(<= ULTIMATE.start_main_~k~5 188), 133424#(<= ULTIMATE.start_main_~k~5 185), 133425#(<= ULTIMATE.start_main_~k~5 186), 133430#(<= ULTIMATE.start_main_~k~5 191), 133431#(<= ULTIMATE.start_main_~k~5 192), 133428#(<= ULTIMATE.start_main_~k~5 189), 133429#(<= ULTIMATE.start_main_~k~5 190), 133434#(<= ULTIMATE.start_main_~k~5 195), 133435#(<= ULTIMATE.start_main_~k~5 196), 133432#(<= ULTIMATE.start_main_~k~5 193), 133433#(<= ULTIMATE.start_main_~k~5 194), 133438#(<= ULTIMATE.start_main_~k~5 199), 133439#(<= ULTIMATE.start_main_~k~5 200), 133436#(<= ULTIMATE.start_main_~k~5 197), 133437#(<= ULTIMATE.start_main_~k~5 198), 133442#(<= ULTIMATE.start_main_~k~5 203), 133443#(<= ULTIMATE.start_main_~k~5 204), 133440#(<= ULTIMATE.start_main_~k~5 201), 133441#(<= ULTIMATE.start_main_~k~5 202), 133446#(<= ULTIMATE.start_main_~k~5 207), 133447#(<= ULTIMATE.start_main_~k~5 208), 133444#(<= ULTIMATE.start_main_~k~5 205), 133445#(<= ULTIMATE.start_main_~k~5 206), 133450#(<= ULTIMATE.start_main_~k~5 211), 133451#(<= ULTIMATE.start_main_~k~5 212), 133448#(<= ULTIMATE.start_main_~k~5 209), 133449#(<= ULTIMATE.start_main_~k~5 210), 133454#(<= ULTIMATE.start_main_~k~5 215), 133455#(<= ULTIMATE.start_main_~k~5 216), 133452#(<= ULTIMATE.start_main_~k~5 213), 133453#(<= ULTIMATE.start_main_~k~5 214), 133458#(<= ULTIMATE.start_main_~k~5 219), 133459#(<= ULTIMATE.start_main_~k~5 220), 133456#(<= ULTIMATE.start_main_~k~5 217), 133457#(<= ULTIMATE.start_main_~k~5 218), 133462#(<= ULTIMATE.start_main_~k~5 223), 133463#(<= ULTIMATE.start_main_~k~5 224), 133460#(<= ULTIMATE.start_main_~k~5 221), 133461#(<= ULTIMATE.start_main_~k~5 222), 133464#(<= ULTIMATE.start_main_~k~5 225), 133465#(<= ULTIMATE.start_main_~k~5 226)] [2018-07-23 13:43:44,681 INFO L134 CoverageAnalysis]: Checked inductivity of 25651 backedges. 0 proven. 25651 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2018-07-23 13:43:44,681 INFO L450 AbstractCegarLoop]: Interpolant automaton has 229 states [2018-07-23 13:43:44,685 INFO L132 InterpolantAutomaton]: Constructing interpolant automaton starting with 229 interpolants. [2018-07-23 13:43:44,687 INFO L133 InterpolantAutomaton]: CoverageRelationStatistics Valid=26106, Invalid=26106, Unknown=0, NotChecked=0, Total=52212 [2018-07-23 13:43:44,687 INFO L87 Difference]: Start difference. First operand 230 states and 230 transitions. Second operand 229 states. [2018-07-23 13:43:45,753 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2018-07-23 13:43:45,753 INFO L93 Difference]: Finished difference Result 233 states and 233 transitions. [2018-07-23 13:43:45,754 INFO L142 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 229 states. [2018-07-23 13:43:45,754 INFO L78 Accepts]: Start accepts. Automaton has 229 states. Word has length 229 [2018-07-23 13:43:45,754 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2018-07-23 13:43:45,754 INFO L225 Difference]: With dead ends: 233 [2018-07-23 13:43:45,754 INFO L226 Difference]: Without dead ends: 231 [2018-07-23 13:43:45,758 INFO L575 BasicCegarLoop]: 0 DeclaredPredicates, 228 GetRequests, 1 SyntacticMatches, 0 SemanticMatches, 227 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 0 ImplicationChecksByTransitivity, 1.1s TimeCoverageRelationStatistics Valid=26106, Invalid=26106, Unknown=0, NotChecked=0, Total=52212 [2018-07-23 13:43:45,758 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 231 states. [2018-07-23 13:43:45,760 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 231 to 231. [2018-07-23 13:43:45,761 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 231 states. [2018-07-23 13:43:45,761 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 231 states to 231 states and 231 transitions. [2018-07-23 13:43:45,761 INFO L78 Accepts]: Start accepts. Automaton has 231 states and 231 transitions. Word has length 229 [2018-07-23 13:43:45,761 INFO L84 Accepts]: Finished accepts. word is rejected. [2018-07-23 13:43:45,761 INFO L471 AbstractCegarLoop]: Abstraction has 231 states and 231 transitions. [2018-07-23 13:43:45,761 INFO L472 AbstractCegarLoop]: Interpolant automaton has 229 states. [2018-07-23 13:43:45,761 INFO L276 IsEmpty]: Start isEmpty. Operand 231 states and 231 transitions. [2018-07-23 13:43:45,762 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 231 [2018-07-23 13:43:45,762 INFO L349 BasicCegarLoop]: Found error trace [2018-07-23 13:43:45,762 INFO L357 BasicCegarLoop]: trace histogram [227, 1, 1, 1] [2018-07-23 13:43:45,762 INFO L414 AbstractCegarLoop]: === Iteration 228 === [ULTIMATE.startErr0AssertViolationASSERT]=== [2018-07-23 13:43:45,762 INFO L82 PathProgramCache]: Analyzing trace with hash 165996616, now seen corresponding path program 227 times [2018-07-23 13:43:45,762 INFO L69 tionRefinementEngine]: Using refinement strategy FixedRefinementStrategy [2018-07-23 13:43:45,949 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-07-23 13:43:47,263 INFO L134 CoverageAnalysis]: Checked inductivity of 25878 backedges. 0 proven. 25878 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2018-07-23 13:43:47,263 INFO L309 seRefinementStrategy]: Constructing automaton from 0 perfect and 1 imperfect interpolant sequences. [2018-07-23 13:43:47,263 INFO L324 seRefinementStrategy]: Number of different interpolants: perfect sequences [] imperfect sequences [229] total 229 [2018-07-23 13:43:47,263 INFO L142 lantAutomatonBuilder]: Constructing canonical interpolant automaton, with selfloop in false state [2018-07-23 13:43:47,263 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2018-07-23 13:43:47,264 INFO L185 omatonBuilderFactory]: Interpolants [134394#true, 134395#false, 134398#(<= ULTIMATE.start_main_~k~5 2), 134399#(<= ULTIMATE.start_main_~k~5 3), 134396#(<= ULTIMATE.start_main_~k~5 0), 134397#(<= ULTIMATE.start_main_~k~5 1), 134402#(<= ULTIMATE.start_main_~k~5 6), 134403#(<= ULTIMATE.start_main_~k~5 7), 134400#(<= ULTIMATE.start_main_~k~5 4), 134401#(<= ULTIMATE.start_main_~k~5 5), 134406#(<= ULTIMATE.start_main_~k~5 10), 134407#(<= ULTIMATE.start_main_~k~5 11), 134404#(<= ULTIMATE.start_main_~k~5 8), 134405#(<= ULTIMATE.start_main_~k~5 9), 134410#(<= ULTIMATE.start_main_~k~5 14), 134411#(<= ULTIMATE.start_main_~k~5 15), 134408#(<= ULTIMATE.start_main_~k~5 12), 134409#(<= ULTIMATE.start_main_~k~5 13), 134414#(<= ULTIMATE.start_main_~k~5 18), 134415#(<= ULTIMATE.start_main_~k~5 19), 134412#(<= ULTIMATE.start_main_~k~5 16), 134413#(<= ULTIMATE.start_main_~k~5 17), 134418#(<= ULTIMATE.start_main_~k~5 22), 134419#(<= ULTIMATE.start_main_~k~5 23), 134416#(<= ULTIMATE.start_main_~k~5 20), 134417#(<= ULTIMATE.start_main_~k~5 21), 134422#(<= ULTIMATE.start_main_~k~5 26), 134423#(<= ULTIMATE.start_main_~k~5 27), 134420#(<= ULTIMATE.start_main_~k~5 24), 134421#(<= ULTIMATE.start_main_~k~5 25), 134426#(<= ULTIMATE.start_main_~k~5 30), 134427#(<= ULTIMATE.start_main_~k~5 31), 134424#(<= ULTIMATE.start_main_~k~5 28), 134425#(<= ULTIMATE.start_main_~k~5 29), 134430#(<= ULTIMATE.start_main_~k~5 34), 134431#(<= ULTIMATE.start_main_~k~5 35), 134428#(<= ULTIMATE.start_main_~k~5 32), 134429#(<= ULTIMATE.start_main_~k~5 33), 134434#(<= ULTIMATE.start_main_~k~5 38), 134435#(<= ULTIMATE.start_main_~k~5 39), 134432#(<= ULTIMATE.start_main_~k~5 36), 134433#(<= ULTIMATE.start_main_~k~5 37), 134438#(<= ULTIMATE.start_main_~k~5 42), 134439#(<= ULTIMATE.start_main_~k~5 43), 134436#(<= ULTIMATE.start_main_~k~5 40), 134437#(<= ULTIMATE.start_main_~k~5 41), 134442#(<= ULTIMATE.start_main_~k~5 46), 134443#(<= ULTIMATE.start_main_~k~5 47), 134440#(<= ULTIMATE.start_main_~k~5 44), 134441#(<= ULTIMATE.start_main_~k~5 45), 134446#(<= ULTIMATE.start_main_~k~5 50), 134447#(<= ULTIMATE.start_main_~k~5 51), 134444#(<= ULTIMATE.start_main_~k~5 48), 134445#(<= ULTIMATE.start_main_~k~5 49), 134450#(<= ULTIMATE.start_main_~k~5 54), 134451#(<= ULTIMATE.start_main_~k~5 55), 134448#(<= ULTIMATE.start_main_~k~5 52), 134449#(<= ULTIMATE.start_main_~k~5 53), 134454#(<= ULTIMATE.start_main_~k~5 58), 134455#(<= ULTIMATE.start_main_~k~5 59), 134452#(<= ULTIMATE.start_main_~k~5 56), 134453#(<= ULTIMATE.start_main_~k~5 57), 134458#(<= ULTIMATE.start_main_~k~5 62), 134459#(<= ULTIMATE.start_main_~k~5 63), 134456#(<= ULTIMATE.start_main_~k~5 60), 134457#(<= ULTIMATE.start_main_~k~5 61), 134462#(<= ULTIMATE.start_main_~k~5 66), 134463#(<= ULTIMATE.start_main_~k~5 67), 134460#(<= ULTIMATE.start_main_~k~5 64), 134461#(<= ULTIMATE.start_main_~k~5 65), 134466#(<= ULTIMATE.start_main_~k~5 70), 134467#(<= ULTIMATE.start_main_~k~5 71), 134464#(<= ULTIMATE.start_main_~k~5 68), 134465#(<= ULTIMATE.start_main_~k~5 69), 134470#(<= ULTIMATE.start_main_~k~5 74), 134471#(<= ULTIMATE.start_main_~k~5 75), 134468#(<= ULTIMATE.start_main_~k~5 72), 134469#(<= ULTIMATE.start_main_~k~5 73), 134474#(<= ULTIMATE.start_main_~k~5 78), 134475#(<= ULTIMATE.start_main_~k~5 79), 134472#(<= ULTIMATE.start_main_~k~5 76), 134473#(<= ULTIMATE.start_main_~k~5 77), 134478#(<= ULTIMATE.start_main_~k~5 82), 134479#(<= ULTIMATE.start_main_~k~5 83), 134476#(<= ULTIMATE.start_main_~k~5 80), 134477#(<= ULTIMATE.start_main_~k~5 81), 134482#(<= ULTIMATE.start_main_~k~5 86), 134483#(<= ULTIMATE.start_main_~k~5 87), 134480#(<= ULTIMATE.start_main_~k~5 84), 134481#(<= ULTIMATE.start_main_~k~5 85), 134486#(<= ULTIMATE.start_main_~k~5 90), 134487#(<= ULTIMATE.start_main_~k~5 91), 134484#(<= ULTIMATE.start_main_~k~5 88), 134485#(<= ULTIMATE.start_main_~k~5 89), 134490#(<= ULTIMATE.start_main_~k~5 94), 134491#(<= ULTIMATE.start_main_~k~5 95), 134488#(<= ULTIMATE.start_main_~k~5 92), 134489#(<= ULTIMATE.start_main_~k~5 93), 134494#(<= ULTIMATE.start_main_~k~5 98), 134495#(<= ULTIMATE.start_main_~k~5 99), 134492#(<= ULTIMATE.start_main_~k~5 96), 134493#(<= ULTIMATE.start_main_~k~5 97), 134498#(<= ULTIMATE.start_main_~k~5 102), 134499#(<= ULTIMATE.start_main_~k~5 103), 134496#(<= ULTIMATE.start_main_~k~5 100), 134497#(<= ULTIMATE.start_main_~k~5 101), 134502#(<= ULTIMATE.start_main_~k~5 106), 134503#(<= ULTIMATE.start_main_~k~5 107), 134500#(<= ULTIMATE.start_main_~k~5 104), 134501#(<= ULTIMATE.start_main_~k~5 105), 134506#(<= ULTIMATE.start_main_~k~5 110), 134507#(<= ULTIMATE.start_main_~k~5 111), 134504#(<= ULTIMATE.start_main_~k~5 108), 134505#(<= ULTIMATE.start_main_~k~5 109), 134510#(<= ULTIMATE.start_main_~k~5 114), 134511#(<= ULTIMATE.start_main_~k~5 115), 134508#(<= ULTIMATE.start_main_~k~5 112), 134509#(<= ULTIMATE.start_main_~k~5 113), 134514#(<= ULTIMATE.start_main_~k~5 118), 134515#(<= ULTIMATE.start_main_~k~5 119), 134512#(<= ULTIMATE.start_main_~k~5 116), 134513#(<= ULTIMATE.start_main_~k~5 117), 134518#(<= ULTIMATE.start_main_~k~5 122), 134519#(<= ULTIMATE.start_main_~k~5 123), 134516#(<= ULTIMATE.start_main_~k~5 120), 134517#(<= ULTIMATE.start_main_~k~5 121), 134522#(<= ULTIMATE.start_main_~k~5 126), 134523#(<= ULTIMATE.start_main_~k~5 127), 134520#(<= ULTIMATE.start_main_~k~5 124), 134521#(<= ULTIMATE.start_main_~k~5 125), 134526#(<= ULTIMATE.start_main_~k~5 130), 134527#(<= ULTIMATE.start_main_~k~5 131), 134524#(<= ULTIMATE.start_main_~k~5 128), 134525#(<= ULTIMATE.start_main_~k~5 129), 134530#(<= ULTIMATE.start_main_~k~5 134), 134531#(<= ULTIMATE.start_main_~k~5 135), 134528#(<= ULTIMATE.start_main_~k~5 132), 134529#(<= ULTIMATE.start_main_~k~5 133), 134534#(<= ULTIMATE.start_main_~k~5 138), 134535#(<= ULTIMATE.start_main_~k~5 139), 134532#(<= ULTIMATE.start_main_~k~5 136), 134533#(<= ULTIMATE.start_main_~k~5 137), 134538#(<= ULTIMATE.start_main_~k~5 142), 134539#(<= ULTIMATE.start_main_~k~5 143), 134536#(<= ULTIMATE.start_main_~k~5 140), 134537#(<= ULTIMATE.start_main_~k~5 141), 134542#(<= ULTIMATE.start_main_~k~5 146), 134543#(<= ULTIMATE.start_main_~k~5 147), 134540#(<= ULTIMATE.start_main_~k~5 144), 134541#(<= ULTIMATE.start_main_~k~5 145), 134546#(<= ULTIMATE.start_main_~k~5 150), 134547#(<= ULTIMATE.start_main_~k~5 151), 134544#(<= ULTIMATE.start_main_~k~5 148), 134545#(<= ULTIMATE.start_main_~k~5 149), 134550#(<= ULTIMATE.start_main_~k~5 154), 134551#(<= ULTIMATE.start_main_~k~5 155), 134548#(<= ULTIMATE.start_main_~k~5 152), 134549#(<= ULTIMATE.start_main_~k~5 153), 134554#(<= ULTIMATE.start_main_~k~5 158), 134555#(<= ULTIMATE.start_main_~k~5 159), 134552#(<= ULTIMATE.start_main_~k~5 156), 134553#(<= ULTIMATE.start_main_~k~5 157), 134558#(<= ULTIMATE.start_main_~k~5 162), 134559#(<= ULTIMATE.start_main_~k~5 163), 134556#(<= ULTIMATE.start_main_~k~5 160), 134557#(<= ULTIMATE.start_main_~k~5 161), 134562#(<= ULTIMATE.start_main_~k~5 166), 134563#(<= ULTIMATE.start_main_~k~5 167), 134560#(<= ULTIMATE.start_main_~k~5 164), 134561#(<= ULTIMATE.start_main_~k~5 165), 134566#(<= ULTIMATE.start_main_~k~5 170), 134567#(<= ULTIMATE.start_main_~k~5 171), 134564#(<= ULTIMATE.start_main_~k~5 168), 134565#(<= ULTIMATE.start_main_~k~5 169), 134570#(<= ULTIMATE.start_main_~k~5 174), 134571#(<= ULTIMATE.start_main_~k~5 175), 134568#(<= ULTIMATE.start_main_~k~5 172), 134569#(<= ULTIMATE.start_main_~k~5 173), 134574#(<= ULTIMATE.start_main_~k~5 178), 134575#(<= ULTIMATE.start_main_~k~5 179), 134572#(<= ULTIMATE.start_main_~k~5 176), 134573#(<= ULTIMATE.start_main_~k~5 177), 134578#(<= ULTIMATE.start_main_~k~5 182), 134579#(<= ULTIMATE.start_main_~k~5 183), 134576#(<= ULTIMATE.start_main_~k~5 180), 134577#(<= ULTIMATE.start_main_~k~5 181), 134582#(<= ULTIMATE.start_main_~k~5 186), 134583#(<= ULTIMATE.start_main_~k~5 187), 134580#(<= ULTIMATE.start_main_~k~5 184), 134581#(<= ULTIMATE.start_main_~k~5 185), 134586#(<= ULTIMATE.start_main_~k~5 190), 134587#(<= ULTIMATE.start_main_~k~5 191), 134584#(<= ULTIMATE.start_main_~k~5 188), 134585#(<= ULTIMATE.start_main_~k~5 189), 134590#(<= ULTIMATE.start_main_~k~5 194), 134591#(<= ULTIMATE.start_main_~k~5 195), 134588#(<= ULTIMATE.start_main_~k~5 192), 134589#(<= ULTIMATE.start_main_~k~5 193), 134594#(<= ULTIMATE.start_main_~k~5 198), 134595#(<= ULTIMATE.start_main_~k~5 199), 134592#(<= ULTIMATE.start_main_~k~5 196), 134593#(<= ULTIMATE.start_main_~k~5 197), 134598#(<= ULTIMATE.start_main_~k~5 202), 134599#(<= ULTIMATE.start_main_~k~5 203), 134596#(<= ULTIMATE.start_main_~k~5 200), 134597#(<= ULTIMATE.start_main_~k~5 201), 134602#(<= ULTIMATE.start_main_~k~5 206), 134603#(<= ULTIMATE.start_main_~k~5 207), 134600#(<= ULTIMATE.start_main_~k~5 204), 134601#(<= ULTIMATE.start_main_~k~5 205), 134606#(<= ULTIMATE.start_main_~k~5 210), 134607#(<= ULTIMATE.start_main_~k~5 211), 134604#(<= ULTIMATE.start_main_~k~5 208), 134605#(<= ULTIMATE.start_main_~k~5 209), 134610#(<= ULTIMATE.start_main_~k~5 214), 134611#(<= ULTIMATE.start_main_~k~5 215), 134608#(<= ULTIMATE.start_main_~k~5 212), 134609#(<= ULTIMATE.start_main_~k~5 213), 134614#(<= ULTIMATE.start_main_~k~5 218), 134615#(<= ULTIMATE.start_main_~k~5 219), 134612#(<= ULTIMATE.start_main_~k~5 216), 134613#(<= ULTIMATE.start_main_~k~5 217), 134618#(<= ULTIMATE.start_main_~k~5 222), 134619#(<= ULTIMATE.start_main_~k~5 223), 134616#(<= ULTIMATE.start_main_~k~5 220), 134617#(<= ULTIMATE.start_main_~k~5 221), 134622#(<= ULTIMATE.start_main_~k~5 226), 134623#(<= ULTIMATE.start_main_~k~5 227), 134620#(<= ULTIMATE.start_main_~k~5 224), 134621#(<= ULTIMATE.start_main_~k~5 225)] [2018-07-23 13:43:47,265 INFO L134 CoverageAnalysis]: Checked inductivity of 25878 backedges. 0 proven. 25878 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2018-07-23 13:43:47,265 INFO L450 AbstractCegarLoop]: Interpolant automaton has 230 states [2018-07-23 13:43:47,269 INFO L132 InterpolantAutomaton]: Constructing interpolant automaton starting with 230 interpolants. [2018-07-23 13:43:47,271 INFO L133 InterpolantAutomaton]: CoverageRelationStatistics Valid=26335, Invalid=26335, Unknown=0, NotChecked=0, Total=52670 [2018-07-23 13:43:47,271 INFO L87 Difference]: Start difference. First operand 231 states and 231 transitions. Second operand 230 states. [2018-07-23 13:43:48,989 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2018-07-23 13:43:48,989 INFO L93 Difference]: Finished difference Result 234 states and 234 transitions. [2018-07-23 13:43:48,989 INFO L142 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 230 states. [2018-07-23 13:43:48,989 INFO L78 Accepts]: Start accepts. Automaton has 230 states. Word has length 230 [2018-07-23 13:43:48,989 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2018-07-23 13:43:48,989 INFO L225 Difference]: With dead ends: 234 [2018-07-23 13:43:48,990 INFO L226 Difference]: Without dead ends: 232 [2018-07-23 13:43:48,993 INFO L575 BasicCegarLoop]: 0 DeclaredPredicates, 229 GetRequests, 1 SyntacticMatches, 0 SemanticMatches, 228 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 0 ImplicationChecksByTransitivity, 1.1s TimeCoverageRelationStatistics Valid=26335, Invalid=26335, Unknown=0, NotChecked=0, Total=52670 [2018-07-23 13:43:48,993 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 232 states. [2018-07-23 13:43:48,996 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 232 to 232. [2018-07-23 13:43:48,996 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 232 states. [2018-07-23 13:43:48,996 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 232 states to 232 states and 232 transitions. [2018-07-23 13:43:48,996 INFO L78 Accepts]: Start accepts. Automaton has 232 states and 232 transitions. Word has length 230 [2018-07-23 13:43:48,996 INFO L84 Accepts]: Finished accepts. word is rejected. [2018-07-23 13:43:48,996 INFO L471 AbstractCegarLoop]: Abstraction has 232 states and 232 transitions. [2018-07-23 13:43:48,996 INFO L472 AbstractCegarLoop]: Interpolant automaton has 230 states. [2018-07-23 13:43:48,996 INFO L276 IsEmpty]: Start isEmpty. Operand 232 states and 232 transitions. [2018-07-23 13:43:48,997 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 232 [2018-07-23 13:43:48,997 INFO L349 BasicCegarLoop]: Found error trace [2018-07-23 13:43:48,997 INFO L357 BasicCegarLoop]: trace histogram [228, 1, 1, 1] [2018-07-23 13:43:48,997 INFO L414 AbstractCegarLoop]: === Iteration 229 === [ULTIMATE.startErr0AssertViolationASSERT]=== [2018-07-23 13:43:48,997 INFO L82 PathProgramCache]: Analyzing trace with hash 850925825, now seen corresponding path program 228 times [2018-07-23 13:43:48,997 INFO L69 tionRefinementEngine]: Using refinement strategy FixedRefinementStrategy [2018-07-23 13:43:49,147 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-07-23 13:43:50,469 INFO L134 CoverageAnalysis]: Checked inductivity of 26106 backedges. 0 proven. 26106 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2018-07-23 13:43:50,469 INFO L309 seRefinementStrategy]: Constructing automaton from 0 perfect and 1 imperfect interpolant sequences. [2018-07-23 13:43:50,469 INFO L324 seRefinementStrategy]: Number of different interpolants: perfect sequences [] imperfect sequences [230] total 230 [2018-07-23 13:43:50,469 INFO L142 lantAutomatonBuilder]: Constructing canonical interpolant automaton, with selfloop in false state [2018-07-23 13:43:50,469 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2018-07-23 13:43:50,470 INFO L185 omatonBuilderFactory]: Interpolants [135682#(<= ULTIMATE.start_main_~k~5 124), 135683#(<= ULTIMATE.start_main_~k~5 125), 135680#(<= ULTIMATE.start_main_~k~5 122), 135681#(<= ULTIMATE.start_main_~k~5 123), 135686#(<= ULTIMATE.start_main_~k~5 128), 135687#(<= ULTIMATE.start_main_~k~5 129), 135684#(<= ULTIMATE.start_main_~k~5 126), 135685#(<= ULTIMATE.start_main_~k~5 127), 135690#(<= ULTIMATE.start_main_~k~5 132), 135691#(<= ULTIMATE.start_main_~k~5 133), 135688#(<= ULTIMATE.start_main_~k~5 130), 135689#(<= ULTIMATE.start_main_~k~5 131), 135694#(<= ULTIMATE.start_main_~k~5 136), 135695#(<= ULTIMATE.start_main_~k~5 137), 135692#(<= ULTIMATE.start_main_~k~5 134), 135693#(<= ULTIMATE.start_main_~k~5 135), 135698#(<= ULTIMATE.start_main_~k~5 140), 135699#(<= ULTIMATE.start_main_~k~5 141), 135696#(<= ULTIMATE.start_main_~k~5 138), 135697#(<= ULTIMATE.start_main_~k~5 139), 135702#(<= ULTIMATE.start_main_~k~5 144), 135703#(<= ULTIMATE.start_main_~k~5 145), 135700#(<= ULTIMATE.start_main_~k~5 142), 135701#(<= ULTIMATE.start_main_~k~5 143), 135706#(<= ULTIMATE.start_main_~k~5 148), 135707#(<= ULTIMATE.start_main_~k~5 149), 135704#(<= ULTIMATE.start_main_~k~5 146), 135705#(<= ULTIMATE.start_main_~k~5 147), 135710#(<= ULTIMATE.start_main_~k~5 152), 135711#(<= ULTIMATE.start_main_~k~5 153), 135708#(<= ULTIMATE.start_main_~k~5 150), 135709#(<= ULTIMATE.start_main_~k~5 151), 135714#(<= ULTIMATE.start_main_~k~5 156), 135715#(<= ULTIMATE.start_main_~k~5 157), 135712#(<= ULTIMATE.start_main_~k~5 154), 135713#(<= ULTIMATE.start_main_~k~5 155), 135718#(<= ULTIMATE.start_main_~k~5 160), 135719#(<= ULTIMATE.start_main_~k~5 161), 135716#(<= ULTIMATE.start_main_~k~5 158), 135717#(<= ULTIMATE.start_main_~k~5 159), 135722#(<= ULTIMATE.start_main_~k~5 164), 135723#(<= ULTIMATE.start_main_~k~5 165), 135720#(<= ULTIMATE.start_main_~k~5 162), 135721#(<= ULTIMATE.start_main_~k~5 163), 135726#(<= ULTIMATE.start_main_~k~5 168), 135727#(<= ULTIMATE.start_main_~k~5 169), 135724#(<= ULTIMATE.start_main_~k~5 166), 135725#(<= ULTIMATE.start_main_~k~5 167), 135730#(<= ULTIMATE.start_main_~k~5 172), 135731#(<= ULTIMATE.start_main_~k~5 173), 135728#(<= ULTIMATE.start_main_~k~5 170), 135729#(<= ULTIMATE.start_main_~k~5 171), 135734#(<= ULTIMATE.start_main_~k~5 176), 135735#(<= ULTIMATE.start_main_~k~5 177), 135732#(<= ULTIMATE.start_main_~k~5 174), 135733#(<= ULTIMATE.start_main_~k~5 175), 135738#(<= ULTIMATE.start_main_~k~5 180), 135739#(<= ULTIMATE.start_main_~k~5 181), 135736#(<= ULTIMATE.start_main_~k~5 178), 135737#(<= ULTIMATE.start_main_~k~5 179), 135742#(<= ULTIMATE.start_main_~k~5 184), 135743#(<= ULTIMATE.start_main_~k~5 185), 135740#(<= ULTIMATE.start_main_~k~5 182), 135741#(<= ULTIMATE.start_main_~k~5 183), 135746#(<= ULTIMATE.start_main_~k~5 188), 135747#(<= ULTIMATE.start_main_~k~5 189), 135744#(<= ULTIMATE.start_main_~k~5 186), 135745#(<= ULTIMATE.start_main_~k~5 187), 135750#(<= ULTIMATE.start_main_~k~5 192), 135751#(<= ULTIMATE.start_main_~k~5 193), 135748#(<= ULTIMATE.start_main_~k~5 190), 135749#(<= ULTIMATE.start_main_~k~5 191), 135754#(<= ULTIMATE.start_main_~k~5 196), 135755#(<= ULTIMATE.start_main_~k~5 197), 135752#(<= ULTIMATE.start_main_~k~5 194), 135753#(<= ULTIMATE.start_main_~k~5 195), 135758#(<= ULTIMATE.start_main_~k~5 200), 135759#(<= ULTIMATE.start_main_~k~5 201), 135756#(<= ULTIMATE.start_main_~k~5 198), 135757#(<= ULTIMATE.start_main_~k~5 199), 135762#(<= ULTIMATE.start_main_~k~5 204), 135763#(<= ULTIMATE.start_main_~k~5 205), 135760#(<= ULTIMATE.start_main_~k~5 202), 135761#(<= ULTIMATE.start_main_~k~5 203), 135766#(<= ULTIMATE.start_main_~k~5 208), 135767#(<= ULTIMATE.start_main_~k~5 209), 135764#(<= ULTIMATE.start_main_~k~5 206), 135765#(<= ULTIMATE.start_main_~k~5 207), 135770#(<= ULTIMATE.start_main_~k~5 212), 135771#(<= ULTIMATE.start_main_~k~5 213), 135768#(<= ULTIMATE.start_main_~k~5 210), 135769#(<= ULTIMATE.start_main_~k~5 211), 135774#(<= ULTIMATE.start_main_~k~5 216), 135775#(<= ULTIMATE.start_main_~k~5 217), 135772#(<= ULTIMATE.start_main_~k~5 214), 135773#(<= ULTIMATE.start_main_~k~5 215), 135778#(<= ULTIMATE.start_main_~k~5 220), 135779#(<= ULTIMATE.start_main_~k~5 221), 135776#(<= ULTIMATE.start_main_~k~5 218), 135777#(<= ULTIMATE.start_main_~k~5 219), 135782#(<= ULTIMATE.start_main_~k~5 224), 135783#(<= ULTIMATE.start_main_~k~5 225), 135780#(<= ULTIMATE.start_main_~k~5 222), 135781#(<= ULTIMATE.start_main_~k~5 223), 135786#(<= ULTIMATE.start_main_~k~5 228), 135784#(<= ULTIMATE.start_main_~k~5 226), 135785#(<= ULTIMATE.start_main_~k~5 227), 135558#(<= ULTIMATE.start_main_~k~5 0), 135559#(<= ULTIMATE.start_main_~k~5 1), 135556#true, 135557#false, 135562#(<= ULTIMATE.start_main_~k~5 4), 135563#(<= ULTIMATE.start_main_~k~5 5), 135560#(<= ULTIMATE.start_main_~k~5 2), 135561#(<= ULTIMATE.start_main_~k~5 3), 135566#(<= ULTIMATE.start_main_~k~5 8), 135567#(<= ULTIMATE.start_main_~k~5 9), 135564#(<= ULTIMATE.start_main_~k~5 6), 135565#(<= ULTIMATE.start_main_~k~5 7), 135570#(<= ULTIMATE.start_main_~k~5 12), 135571#(<= ULTIMATE.start_main_~k~5 13), 135568#(<= ULTIMATE.start_main_~k~5 10), 135569#(<= ULTIMATE.start_main_~k~5 11), 135574#(<= ULTIMATE.start_main_~k~5 16), 135575#(<= ULTIMATE.start_main_~k~5 17), 135572#(<= ULTIMATE.start_main_~k~5 14), 135573#(<= ULTIMATE.start_main_~k~5 15), 135578#(<= ULTIMATE.start_main_~k~5 20), 135579#(<= ULTIMATE.start_main_~k~5 21), 135576#(<= ULTIMATE.start_main_~k~5 18), 135577#(<= ULTIMATE.start_main_~k~5 19), 135582#(<= ULTIMATE.start_main_~k~5 24), 135583#(<= ULTIMATE.start_main_~k~5 25), 135580#(<= ULTIMATE.start_main_~k~5 22), 135581#(<= ULTIMATE.start_main_~k~5 23), 135586#(<= ULTIMATE.start_main_~k~5 28), 135587#(<= ULTIMATE.start_main_~k~5 29), 135584#(<= ULTIMATE.start_main_~k~5 26), 135585#(<= ULTIMATE.start_main_~k~5 27), 135590#(<= ULTIMATE.start_main_~k~5 32), 135591#(<= ULTIMATE.start_main_~k~5 33), 135588#(<= ULTIMATE.start_main_~k~5 30), 135589#(<= ULTIMATE.start_main_~k~5 31), 135594#(<= ULTIMATE.start_main_~k~5 36), 135595#(<= ULTIMATE.start_main_~k~5 37), 135592#(<= ULTIMATE.start_main_~k~5 34), 135593#(<= ULTIMATE.start_main_~k~5 35), 135598#(<= ULTIMATE.start_main_~k~5 40), 135599#(<= ULTIMATE.start_main_~k~5 41), 135596#(<= ULTIMATE.start_main_~k~5 38), 135597#(<= ULTIMATE.start_main_~k~5 39), 135602#(<= ULTIMATE.start_main_~k~5 44), 135603#(<= ULTIMATE.start_main_~k~5 45), 135600#(<= ULTIMATE.start_main_~k~5 42), 135601#(<= ULTIMATE.start_main_~k~5 43), 135606#(<= ULTIMATE.start_main_~k~5 48), 135607#(<= ULTIMATE.start_main_~k~5 49), 135604#(<= ULTIMATE.start_main_~k~5 46), 135605#(<= ULTIMATE.start_main_~k~5 47), 135610#(<= ULTIMATE.start_main_~k~5 52), 135611#(<= ULTIMATE.start_main_~k~5 53), 135608#(<= ULTIMATE.start_main_~k~5 50), 135609#(<= ULTIMATE.start_main_~k~5 51), 135614#(<= ULTIMATE.start_main_~k~5 56), 135615#(<= ULTIMATE.start_main_~k~5 57), 135612#(<= ULTIMATE.start_main_~k~5 54), 135613#(<= ULTIMATE.start_main_~k~5 55), 135618#(<= ULTIMATE.start_main_~k~5 60), 135619#(<= ULTIMATE.start_main_~k~5 61), 135616#(<= ULTIMATE.start_main_~k~5 58), 135617#(<= ULTIMATE.start_main_~k~5 59), 135622#(<= ULTIMATE.start_main_~k~5 64), 135623#(<= ULTIMATE.start_main_~k~5 65), 135620#(<= ULTIMATE.start_main_~k~5 62), 135621#(<= ULTIMATE.start_main_~k~5 63), 135626#(<= ULTIMATE.start_main_~k~5 68), 135627#(<= ULTIMATE.start_main_~k~5 69), 135624#(<= ULTIMATE.start_main_~k~5 66), 135625#(<= ULTIMATE.start_main_~k~5 67), 135630#(<= ULTIMATE.start_main_~k~5 72), 135631#(<= ULTIMATE.start_main_~k~5 73), 135628#(<= ULTIMATE.start_main_~k~5 70), 135629#(<= ULTIMATE.start_main_~k~5 71), 135634#(<= ULTIMATE.start_main_~k~5 76), 135635#(<= ULTIMATE.start_main_~k~5 77), 135632#(<= ULTIMATE.start_main_~k~5 74), 135633#(<= ULTIMATE.start_main_~k~5 75), 135638#(<= ULTIMATE.start_main_~k~5 80), 135639#(<= ULTIMATE.start_main_~k~5 81), 135636#(<= ULTIMATE.start_main_~k~5 78), 135637#(<= ULTIMATE.start_main_~k~5 79), 135642#(<= ULTIMATE.start_main_~k~5 84), 135643#(<= ULTIMATE.start_main_~k~5 85), 135640#(<= ULTIMATE.start_main_~k~5 82), 135641#(<= ULTIMATE.start_main_~k~5 83), 135646#(<= ULTIMATE.start_main_~k~5 88), 135647#(<= ULTIMATE.start_main_~k~5 89), 135644#(<= ULTIMATE.start_main_~k~5 86), 135645#(<= ULTIMATE.start_main_~k~5 87), 135650#(<= ULTIMATE.start_main_~k~5 92), 135651#(<= ULTIMATE.start_main_~k~5 93), 135648#(<= ULTIMATE.start_main_~k~5 90), 135649#(<= ULTIMATE.start_main_~k~5 91), 135654#(<= ULTIMATE.start_main_~k~5 96), 135655#(<= ULTIMATE.start_main_~k~5 97), 135652#(<= ULTIMATE.start_main_~k~5 94), 135653#(<= ULTIMATE.start_main_~k~5 95), 135658#(<= ULTIMATE.start_main_~k~5 100), 135659#(<= ULTIMATE.start_main_~k~5 101), 135656#(<= ULTIMATE.start_main_~k~5 98), 135657#(<= ULTIMATE.start_main_~k~5 99), 135662#(<= ULTIMATE.start_main_~k~5 104), 135663#(<= ULTIMATE.start_main_~k~5 105), 135660#(<= ULTIMATE.start_main_~k~5 102), 135661#(<= ULTIMATE.start_main_~k~5 103), 135666#(<= ULTIMATE.start_main_~k~5 108), 135667#(<= ULTIMATE.start_main_~k~5 109), 135664#(<= ULTIMATE.start_main_~k~5 106), 135665#(<= ULTIMATE.start_main_~k~5 107), 135670#(<= ULTIMATE.start_main_~k~5 112), 135671#(<= ULTIMATE.start_main_~k~5 113), 135668#(<= ULTIMATE.start_main_~k~5 110), 135669#(<= ULTIMATE.start_main_~k~5 111), 135674#(<= ULTIMATE.start_main_~k~5 116), 135675#(<= ULTIMATE.start_main_~k~5 117), 135672#(<= ULTIMATE.start_main_~k~5 114), 135673#(<= ULTIMATE.start_main_~k~5 115), 135678#(<= ULTIMATE.start_main_~k~5 120), 135679#(<= ULTIMATE.start_main_~k~5 121), 135676#(<= ULTIMATE.start_main_~k~5 118), 135677#(<= ULTIMATE.start_main_~k~5 119)] [2018-07-23 13:43:50,471 INFO L134 CoverageAnalysis]: Checked inductivity of 26106 backedges. 0 proven. 26106 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2018-07-23 13:43:50,471 INFO L450 AbstractCegarLoop]: Interpolant automaton has 231 states [2018-07-23 13:43:50,475 INFO L132 InterpolantAutomaton]: Constructing interpolant automaton starting with 231 interpolants. [2018-07-23 13:43:50,477 INFO L133 InterpolantAutomaton]: CoverageRelationStatistics Valid=26565, Invalid=26565, Unknown=0, NotChecked=0, Total=53130 [2018-07-23 13:43:50,477 INFO L87 Difference]: Start difference. First operand 232 states and 232 transitions. Second operand 231 states. [2018-07-23 13:43:50,983 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2018-07-23 13:43:50,984 INFO L93 Difference]: Finished difference Result 235 states and 235 transitions. [2018-07-23 13:43:50,984 INFO L142 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 231 states. [2018-07-23 13:43:50,984 INFO L78 Accepts]: Start accepts. Automaton has 231 states. Word has length 231 [2018-07-23 13:43:50,984 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2018-07-23 13:43:50,984 INFO L225 Difference]: With dead ends: 235 [2018-07-23 13:43:50,984 INFO L226 Difference]: Without dead ends: 233 [2018-07-23 13:43:50,988 INFO L575 BasicCegarLoop]: 0 DeclaredPredicates, 230 GetRequests, 1 SyntacticMatches, 0 SemanticMatches, 229 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 0 ImplicationChecksByTransitivity, 1.1s TimeCoverageRelationStatistics Valid=26565, Invalid=26565, Unknown=0, NotChecked=0, Total=53130 [2018-07-23 13:43:50,988 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 233 states. [2018-07-23 13:43:50,990 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 233 to 233. [2018-07-23 13:43:50,990 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 233 states. [2018-07-23 13:43:50,990 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 233 states to 233 states and 233 transitions. [2018-07-23 13:43:50,990 INFO L78 Accepts]: Start accepts. Automaton has 233 states and 233 transitions. Word has length 231 [2018-07-23 13:43:50,990 INFO L84 Accepts]: Finished accepts. word is rejected. [2018-07-23 13:43:50,990 INFO L471 AbstractCegarLoop]: Abstraction has 233 states and 233 transitions. [2018-07-23 13:43:50,990 INFO L472 AbstractCegarLoop]: Interpolant automaton has 231 states. [2018-07-23 13:43:50,991 INFO L276 IsEmpty]: Start isEmpty. Operand 233 states and 233 transitions. [2018-07-23 13:43:50,991 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 233 [2018-07-23 13:43:50,991 INFO L349 BasicCegarLoop]: Found error trace [2018-07-23 13:43:50,991 INFO L357 BasicCegarLoop]: trace histogram [229, 1, 1, 1] [2018-07-23 13:43:50,991 INFO L414 AbstractCegarLoop]: === Iteration 230 === [ULTIMATE.startErr0AssertViolationASSERT]=== [2018-07-23 13:43:50,991 INFO L82 PathProgramCache]: Analyzing trace with hash 608894824, now seen corresponding path program 229 times [2018-07-23 13:43:50,992 INFO L69 tionRefinementEngine]: Using refinement strategy FixedRefinementStrategy [2018-07-23 13:43:51,114 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-07-23 13:43:52,374 INFO L134 CoverageAnalysis]: Checked inductivity of 26335 backedges. 0 proven. 26335 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2018-07-23 13:43:52,374 INFO L309 seRefinementStrategy]: Constructing automaton from 0 perfect and 1 imperfect interpolant sequences. [2018-07-23 13:43:52,374 INFO L324 seRefinementStrategy]: Number of different interpolants: perfect sequences [] imperfect sequences [231] total 231 [2018-07-23 13:43:52,375 INFO L142 lantAutomatonBuilder]: Constructing canonical interpolant automaton, with selfloop in false state [2018-07-23 13:43:52,375 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2018-07-23 13:43:52,375 INFO L185 omatonBuilderFactory]: Interpolants [136723#true, 136726#(<= ULTIMATE.start_main_~k~5 1), 136727#(<= ULTIMATE.start_main_~k~5 2), 136724#false, 136725#(<= ULTIMATE.start_main_~k~5 0), 136730#(<= ULTIMATE.start_main_~k~5 5), 136731#(<= ULTIMATE.start_main_~k~5 6), 136728#(<= ULTIMATE.start_main_~k~5 3), 136729#(<= ULTIMATE.start_main_~k~5 4), 136734#(<= ULTIMATE.start_main_~k~5 9), 136735#(<= ULTIMATE.start_main_~k~5 10), 136732#(<= ULTIMATE.start_main_~k~5 7), 136733#(<= ULTIMATE.start_main_~k~5 8), 136738#(<= ULTIMATE.start_main_~k~5 13), 136739#(<= ULTIMATE.start_main_~k~5 14), 136736#(<= ULTIMATE.start_main_~k~5 11), 136737#(<= ULTIMATE.start_main_~k~5 12), 136742#(<= ULTIMATE.start_main_~k~5 17), 136743#(<= ULTIMATE.start_main_~k~5 18), 136740#(<= ULTIMATE.start_main_~k~5 15), 136741#(<= ULTIMATE.start_main_~k~5 16), 136746#(<= ULTIMATE.start_main_~k~5 21), 136747#(<= ULTIMATE.start_main_~k~5 22), 136744#(<= ULTIMATE.start_main_~k~5 19), 136745#(<= ULTIMATE.start_main_~k~5 20), 136750#(<= ULTIMATE.start_main_~k~5 25), 136751#(<= ULTIMATE.start_main_~k~5 26), 136748#(<= ULTIMATE.start_main_~k~5 23), 136749#(<= ULTIMATE.start_main_~k~5 24), 136754#(<= ULTIMATE.start_main_~k~5 29), 136755#(<= ULTIMATE.start_main_~k~5 30), 136752#(<= ULTIMATE.start_main_~k~5 27), 136753#(<= ULTIMATE.start_main_~k~5 28), 136758#(<= ULTIMATE.start_main_~k~5 33), 136759#(<= ULTIMATE.start_main_~k~5 34), 136756#(<= ULTIMATE.start_main_~k~5 31), 136757#(<= ULTIMATE.start_main_~k~5 32), 136762#(<= ULTIMATE.start_main_~k~5 37), 136763#(<= ULTIMATE.start_main_~k~5 38), 136760#(<= ULTIMATE.start_main_~k~5 35), 136761#(<= ULTIMATE.start_main_~k~5 36), 136766#(<= ULTIMATE.start_main_~k~5 41), 136767#(<= ULTIMATE.start_main_~k~5 42), 136764#(<= ULTIMATE.start_main_~k~5 39), 136765#(<= ULTIMATE.start_main_~k~5 40), 136770#(<= ULTIMATE.start_main_~k~5 45), 136771#(<= ULTIMATE.start_main_~k~5 46), 136768#(<= ULTIMATE.start_main_~k~5 43), 136769#(<= ULTIMATE.start_main_~k~5 44), 136774#(<= ULTIMATE.start_main_~k~5 49), 136775#(<= ULTIMATE.start_main_~k~5 50), 136772#(<= ULTIMATE.start_main_~k~5 47), 136773#(<= ULTIMATE.start_main_~k~5 48), 136778#(<= ULTIMATE.start_main_~k~5 53), 136779#(<= ULTIMATE.start_main_~k~5 54), 136776#(<= ULTIMATE.start_main_~k~5 51), 136777#(<= ULTIMATE.start_main_~k~5 52), 136782#(<= ULTIMATE.start_main_~k~5 57), 136783#(<= ULTIMATE.start_main_~k~5 58), 136780#(<= ULTIMATE.start_main_~k~5 55), 136781#(<= ULTIMATE.start_main_~k~5 56), 136786#(<= ULTIMATE.start_main_~k~5 61), 136787#(<= ULTIMATE.start_main_~k~5 62), 136784#(<= ULTIMATE.start_main_~k~5 59), 136785#(<= ULTIMATE.start_main_~k~5 60), 136790#(<= ULTIMATE.start_main_~k~5 65), 136791#(<= ULTIMATE.start_main_~k~5 66), 136788#(<= ULTIMATE.start_main_~k~5 63), 136789#(<= ULTIMATE.start_main_~k~5 64), 136794#(<= ULTIMATE.start_main_~k~5 69), 136795#(<= ULTIMATE.start_main_~k~5 70), 136792#(<= ULTIMATE.start_main_~k~5 67), 136793#(<= ULTIMATE.start_main_~k~5 68), 136798#(<= ULTIMATE.start_main_~k~5 73), 136799#(<= ULTIMATE.start_main_~k~5 74), 136796#(<= ULTIMATE.start_main_~k~5 71), 136797#(<= ULTIMATE.start_main_~k~5 72), 136802#(<= ULTIMATE.start_main_~k~5 77), 136803#(<= ULTIMATE.start_main_~k~5 78), 136800#(<= ULTIMATE.start_main_~k~5 75), 136801#(<= ULTIMATE.start_main_~k~5 76), 136806#(<= ULTIMATE.start_main_~k~5 81), 136807#(<= ULTIMATE.start_main_~k~5 82), 136804#(<= ULTIMATE.start_main_~k~5 79), 136805#(<= ULTIMATE.start_main_~k~5 80), 136810#(<= ULTIMATE.start_main_~k~5 85), 136811#(<= ULTIMATE.start_main_~k~5 86), 136808#(<= ULTIMATE.start_main_~k~5 83), 136809#(<= ULTIMATE.start_main_~k~5 84), 136814#(<= ULTIMATE.start_main_~k~5 89), 136815#(<= ULTIMATE.start_main_~k~5 90), 136812#(<= ULTIMATE.start_main_~k~5 87), 136813#(<= ULTIMATE.start_main_~k~5 88), 136818#(<= ULTIMATE.start_main_~k~5 93), 136819#(<= ULTIMATE.start_main_~k~5 94), 136816#(<= ULTIMATE.start_main_~k~5 91), 136817#(<= ULTIMATE.start_main_~k~5 92), 136822#(<= ULTIMATE.start_main_~k~5 97), 136823#(<= ULTIMATE.start_main_~k~5 98), 136820#(<= ULTIMATE.start_main_~k~5 95), 136821#(<= ULTIMATE.start_main_~k~5 96), 136826#(<= ULTIMATE.start_main_~k~5 101), 136827#(<= ULTIMATE.start_main_~k~5 102), 136824#(<= ULTIMATE.start_main_~k~5 99), 136825#(<= ULTIMATE.start_main_~k~5 100), 136830#(<= ULTIMATE.start_main_~k~5 105), 136831#(<= ULTIMATE.start_main_~k~5 106), 136828#(<= ULTIMATE.start_main_~k~5 103), 136829#(<= ULTIMATE.start_main_~k~5 104), 136834#(<= ULTIMATE.start_main_~k~5 109), 136835#(<= ULTIMATE.start_main_~k~5 110), 136832#(<= ULTIMATE.start_main_~k~5 107), 136833#(<= ULTIMATE.start_main_~k~5 108), 136838#(<= ULTIMATE.start_main_~k~5 113), 136839#(<= ULTIMATE.start_main_~k~5 114), 136836#(<= ULTIMATE.start_main_~k~5 111), 136837#(<= ULTIMATE.start_main_~k~5 112), 136842#(<= ULTIMATE.start_main_~k~5 117), 136843#(<= ULTIMATE.start_main_~k~5 118), 136840#(<= ULTIMATE.start_main_~k~5 115), 136841#(<= ULTIMATE.start_main_~k~5 116), 136846#(<= ULTIMATE.start_main_~k~5 121), 136847#(<= ULTIMATE.start_main_~k~5 122), 136844#(<= ULTIMATE.start_main_~k~5 119), 136845#(<= ULTIMATE.start_main_~k~5 120), 136850#(<= ULTIMATE.start_main_~k~5 125), 136851#(<= ULTIMATE.start_main_~k~5 126), 136848#(<= ULTIMATE.start_main_~k~5 123), 136849#(<= ULTIMATE.start_main_~k~5 124), 136854#(<= ULTIMATE.start_main_~k~5 129), 136855#(<= ULTIMATE.start_main_~k~5 130), 136852#(<= ULTIMATE.start_main_~k~5 127), 136853#(<= ULTIMATE.start_main_~k~5 128), 136858#(<= ULTIMATE.start_main_~k~5 133), 136859#(<= ULTIMATE.start_main_~k~5 134), 136856#(<= ULTIMATE.start_main_~k~5 131), 136857#(<= ULTIMATE.start_main_~k~5 132), 136862#(<= ULTIMATE.start_main_~k~5 137), 136863#(<= ULTIMATE.start_main_~k~5 138), 136860#(<= ULTIMATE.start_main_~k~5 135), 136861#(<= ULTIMATE.start_main_~k~5 136), 136866#(<= ULTIMATE.start_main_~k~5 141), 136867#(<= ULTIMATE.start_main_~k~5 142), 136864#(<= ULTIMATE.start_main_~k~5 139), 136865#(<= ULTIMATE.start_main_~k~5 140), 136870#(<= ULTIMATE.start_main_~k~5 145), 136871#(<= ULTIMATE.start_main_~k~5 146), 136868#(<= ULTIMATE.start_main_~k~5 143), 136869#(<= ULTIMATE.start_main_~k~5 144), 136874#(<= ULTIMATE.start_main_~k~5 149), 136875#(<= ULTIMATE.start_main_~k~5 150), 136872#(<= ULTIMATE.start_main_~k~5 147), 136873#(<= ULTIMATE.start_main_~k~5 148), 136878#(<= ULTIMATE.start_main_~k~5 153), 136879#(<= ULTIMATE.start_main_~k~5 154), 136876#(<= ULTIMATE.start_main_~k~5 151), 136877#(<= ULTIMATE.start_main_~k~5 152), 136882#(<= ULTIMATE.start_main_~k~5 157), 136883#(<= ULTIMATE.start_main_~k~5 158), 136880#(<= ULTIMATE.start_main_~k~5 155), 136881#(<= ULTIMATE.start_main_~k~5 156), 136886#(<= ULTIMATE.start_main_~k~5 161), 136887#(<= ULTIMATE.start_main_~k~5 162), 136884#(<= ULTIMATE.start_main_~k~5 159), 136885#(<= ULTIMATE.start_main_~k~5 160), 136890#(<= ULTIMATE.start_main_~k~5 165), 136891#(<= ULTIMATE.start_main_~k~5 166), 136888#(<= ULTIMATE.start_main_~k~5 163), 136889#(<= ULTIMATE.start_main_~k~5 164), 136894#(<= ULTIMATE.start_main_~k~5 169), 136895#(<= ULTIMATE.start_main_~k~5 170), 136892#(<= ULTIMATE.start_main_~k~5 167), 136893#(<= ULTIMATE.start_main_~k~5 168), 136898#(<= ULTIMATE.start_main_~k~5 173), 136899#(<= ULTIMATE.start_main_~k~5 174), 136896#(<= ULTIMATE.start_main_~k~5 171), 136897#(<= ULTIMATE.start_main_~k~5 172), 136902#(<= ULTIMATE.start_main_~k~5 177), 136903#(<= ULTIMATE.start_main_~k~5 178), 136900#(<= ULTIMATE.start_main_~k~5 175), 136901#(<= ULTIMATE.start_main_~k~5 176), 136906#(<= ULTIMATE.start_main_~k~5 181), 136907#(<= ULTIMATE.start_main_~k~5 182), 136904#(<= ULTIMATE.start_main_~k~5 179), 136905#(<= ULTIMATE.start_main_~k~5 180), 136910#(<= ULTIMATE.start_main_~k~5 185), 136911#(<= ULTIMATE.start_main_~k~5 186), 136908#(<= ULTIMATE.start_main_~k~5 183), 136909#(<= ULTIMATE.start_main_~k~5 184), 136914#(<= ULTIMATE.start_main_~k~5 189), 136915#(<= ULTIMATE.start_main_~k~5 190), 136912#(<= ULTIMATE.start_main_~k~5 187), 136913#(<= ULTIMATE.start_main_~k~5 188), 136918#(<= ULTIMATE.start_main_~k~5 193), 136919#(<= ULTIMATE.start_main_~k~5 194), 136916#(<= ULTIMATE.start_main_~k~5 191), 136917#(<= ULTIMATE.start_main_~k~5 192), 136922#(<= ULTIMATE.start_main_~k~5 197), 136923#(<= ULTIMATE.start_main_~k~5 198), 136920#(<= ULTIMATE.start_main_~k~5 195), 136921#(<= ULTIMATE.start_main_~k~5 196), 136926#(<= ULTIMATE.start_main_~k~5 201), 136927#(<= ULTIMATE.start_main_~k~5 202), 136924#(<= ULTIMATE.start_main_~k~5 199), 136925#(<= ULTIMATE.start_main_~k~5 200), 136930#(<= ULTIMATE.start_main_~k~5 205), 136931#(<= ULTIMATE.start_main_~k~5 206), 136928#(<= ULTIMATE.start_main_~k~5 203), 136929#(<= ULTIMATE.start_main_~k~5 204), 136934#(<= ULTIMATE.start_main_~k~5 209), 136935#(<= ULTIMATE.start_main_~k~5 210), 136932#(<= ULTIMATE.start_main_~k~5 207), 136933#(<= ULTIMATE.start_main_~k~5 208), 136938#(<= ULTIMATE.start_main_~k~5 213), 136939#(<= ULTIMATE.start_main_~k~5 214), 136936#(<= ULTIMATE.start_main_~k~5 211), 136937#(<= ULTIMATE.start_main_~k~5 212), 136942#(<= ULTIMATE.start_main_~k~5 217), 136943#(<= ULTIMATE.start_main_~k~5 218), 136940#(<= ULTIMATE.start_main_~k~5 215), 136941#(<= ULTIMATE.start_main_~k~5 216), 136946#(<= ULTIMATE.start_main_~k~5 221), 136947#(<= ULTIMATE.start_main_~k~5 222), 136944#(<= ULTIMATE.start_main_~k~5 219), 136945#(<= ULTIMATE.start_main_~k~5 220), 136950#(<= ULTIMATE.start_main_~k~5 225), 136951#(<= ULTIMATE.start_main_~k~5 226), 136948#(<= ULTIMATE.start_main_~k~5 223), 136949#(<= ULTIMATE.start_main_~k~5 224), 136954#(<= ULTIMATE.start_main_~k~5 229), 136952#(<= ULTIMATE.start_main_~k~5 227), 136953#(<= ULTIMATE.start_main_~k~5 228)] [2018-07-23 13:43:52,376 INFO L134 CoverageAnalysis]: Checked inductivity of 26335 backedges. 0 proven. 26335 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2018-07-23 13:43:52,377 INFO L450 AbstractCegarLoop]: Interpolant automaton has 232 states [2018-07-23 13:43:52,380 INFO L132 InterpolantAutomaton]: Constructing interpolant automaton starting with 232 interpolants. [2018-07-23 13:43:52,382 INFO L133 InterpolantAutomaton]: CoverageRelationStatistics Valid=26796, Invalid=26796, Unknown=0, NotChecked=0, Total=53592 [2018-07-23 13:43:52,382 INFO L87 Difference]: Start difference. First operand 233 states and 233 transitions. Second operand 232 states. [2018-07-23 13:43:54,156 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2018-07-23 13:43:54,157 INFO L93 Difference]: Finished difference Result 236 states and 236 transitions. [2018-07-23 13:43:54,157 INFO L142 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 232 states. [2018-07-23 13:43:54,157 INFO L78 Accepts]: Start accepts. Automaton has 232 states. Word has length 232 [2018-07-23 13:43:54,157 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2018-07-23 13:43:54,157 INFO L225 Difference]: With dead ends: 236 [2018-07-23 13:43:54,157 INFO L226 Difference]: Without dead ends: 234 [2018-07-23 13:43:54,161 INFO L575 BasicCegarLoop]: 0 DeclaredPredicates, 231 GetRequests, 1 SyntacticMatches, 0 SemanticMatches, 230 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 0 ImplicationChecksByTransitivity, 1.1s TimeCoverageRelationStatistics Valid=26796, Invalid=26796, Unknown=0, NotChecked=0, Total=53592 [2018-07-23 13:43:54,161 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 234 states. [2018-07-23 13:43:54,163 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 234 to 234. [2018-07-23 13:43:54,163 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 234 states. [2018-07-23 13:43:54,163 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 234 states to 234 states and 234 transitions. [2018-07-23 13:43:54,163 INFO L78 Accepts]: Start accepts. Automaton has 234 states and 234 transitions. Word has length 232 [2018-07-23 13:43:54,163 INFO L84 Accepts]: Finished accepts. word is rejected. [2018-07-23 13:43:54,164 INFO L471 AbstractCegarLoop]: Abstraction has 234 states and 234 transitions. [2018-07-23 13:43:54,164 INFO L472 AbstractCegarLoop]: Interpolant automaton has 232 states. [2018-07-23 13:43:54,164 INFO L276 IsEmpty]: Start isEmpty. Operand 234 states and 234 transitions. [2018-07-23 13:43:54,164 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 234 [2018-07-23 13:43:54,164 INFO L349 BasicCegarLoop]: Found error trace [2018-07-23 13:43:54,164 INFO L357 BasicCegarLoop]: trace histogram [230, 1, 1, 1] [2018-07-23 13:43:54,164 INFO L414 AbstractCegarLoop]: === Iteration 231 === [ULTIMATE.startErr0AssertViolationASSERT]=== [2018-07-23 13:43:54,165 INFO L82 PathProgramCache]: Analyzing trace with hash 1695868385, now seen corresponding path program 230 times [2018-07-23 13:43:54,165 INFO L69 tionRefinementEngine]: Using refinement strategy FixedRefinementStrategy [2018-07-23 13:43:54,319 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-07-23 13:43:55,656 INFO L134 CoverageAnalysis]: Checked inductivity of 26565 backedges. 0 proven. 26565 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2018-07-23 13:43:55,656 INFO L309 seRefinementStrategy]: Constructing automaton from 0 perfect and 1 imperfect interpolant sequences. [2018-07-23 13:43:55,656 INFO L324 seRefinementStrategy]: Number of different interpolants: perfect sequences [] imperfect sequences [232] total 232 [2018-07-23 13:43:55,656 INFO L142 lantAutomatonBuilder]: Constructing canonical interpolant automaton, with selfloop in false state [2018-07-23 13:43:55,657 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2018-07-23 13:43:55,657 INFO L185 omatonBuilderFactory]: Interpolants [137895#true, 137898#(<= ULTIMATE.start_main_~k~5 1), 137899#(<= ULTIMATE.start_main_~k~5 2), 137896#false, 137897#(<= ULTIMATE.start_main_~k~5 0), 137902#(<= ULTIMATE.start_main_~k~5 5), 137903#(<= ULTIMATE.start_main_~k~5 6), 137900#(<= ULTIMATE.start_main_~k~5 3), 137901#(<= ULTIMATE.start_main_~k~5 4), 137906#(<= ULTIMATE.start_main_~k~5 9), 137907#(<= ULTIMATE.start_main_~k~5 10), 137904#(<= ULTIMATE.start_main_~k~5 7), 137905#(<= ULTIMATE.start_main_~k~5 8), 137910#(<= ULTIMATE.start_main_~k~5 13), 137911#(<= ULTIMATE.start_main_~k~5 14), 137908#(<= ULTIMATE.start_main_~k~5 11), 137909#(<= ULTIMATE.start_main_~k~5 12), 137914#(<= ULTIMATE.start_main_~k~5 17), 137915#(<= ULTIMATE.start_main_~k~5 18), 137912#(<= ULTIMATE.start_main_~k~5 15), 137913#(<= ULTIMATE.start_main_~k~5 16), 137918#(<= ULTIMATE.start_main_~k~5 21), 137919#(<= ULTIMATE.start_main_~k~5 22), 137916#(<= ULTIMATE.start_main_~k~5 19), 137917#(<= ULTIMATE.start_main_~k~5 20), 137922#(<= ULTIMATE.start_main_~k~5 25), 137923#(<= ULTIMATE.start_main_~k~5 26), 137920#(<= ULTIMATE.start_main_~k~5 23), 137921#(<= ULTIMATE.start_main_~k~5 24), 137926#(<= ULTIMATE.start_main_~k~5 29), 137927#(<= ULTIMATE.start_main_~k~5 30), 137924#(<= ULTIMATE.start_main_~k~5 27), 137925#(<= ULTIMATE.start_main_~k~5 28), 137930#(<= ULTIMATE.start_main_~k~5 33), 137931#(<= ULTIMATE.start_main_~k~5 34), 137928#(<= ULTIMATE.start_main_~k~5 31), 137929#(<= ULTIMATE.start_main_~k~5 32), 137934#(<= ULTIMATE.start_main_~k~5 37), 137935#(<= ULTIMATE.start_main_~k~5 38), 137932#(<= ULTIMATE.start_main_~k~5 35), 137933#(<= ULTIMATE.start_main_~k~5 36), 137938#(<= ULTIMATE.start_main_~k~5 41), 137939#(<= ULTIMATE.start_main_~k~5 42), 137936#(<= ULTIMATE.start_main_~k~5 39), 137937#(<= ULTIMATE.start_main_~k~5 40), 137942#(<= ULTIMATE.start_main_~k~5 45), 137943#(<= ULTIMATE.start_main_~k~5 46), 137940#(<= ULTIMATE.start_main_~k~5 43), 137941#(<= ULTIMATE.start_main_~k~5 44), 137946#(<= ULTIMATE.start_main_~k~5 49), 137947#(<= ULTIMATE.start_main_~k~5 50), 137944#(<= ULTIMATE.start_main_~k~5 47), 137945#(<= ULTIMATE.start_main_~k~5 48), 137950#(<= ULTIMATE.start_main_~k~5 53), 137951#(<= ULTIMATE.start_main_~k~5 54), 137948#(<= ULTIMATE.start_main_~k~5 51), 137949#(<= ULTIMATE.start_main_~k~5 52), 137954#(<= ULTIMATE.start_main_~k~5 57), 137955#(<= ULTIMATE.start_main_~k~5 58), 137952#(<= ULTIMATE.start_main_~k~5 55), 137953#(<= ULTIMATE.start_main_~k~5 56), 137958#(<= ULTIMATE.start_main_~k~5 61), 137959#(<= ULTIMATE.start_main_~k~5 62), 137956#(<= ULTIMATE.start_main_~k~5 59), 137957#(<= ULTIMATE.start_main_~k~5 60), 137962#(<= ULTIMATE.start_main_~k~5 65), 137963#(<= ULTIMATE.start_main_~k~5 66), 137960#(<= ULTIMATE.start_main_~k~5 63), 137961#(<= ULTIMATE.start_main_~k~5 64), 137966#(<= ULTIMATE.start_main_~k~5 69), 137967#(<= ULTIMATE.start_main_~k~5 70), 137964#(<= ULTIMATE.start_main_~k~5 67), 137965#(<= ULTIMATE.start_main_~k~5 68), 137970#(<= ULTIMATE.start_main_~k~5 73), 137971#(<= ULTIMATE.start_main_~k~5 74), 137968#(<= ULTIMATE.start_main_~k~5 71), 137969#(<= ULTIMATE.start_main_~k~5 72), 137974#(<= ULTIMATE.start_main_~k~5 77), 137975#(<= ULTIMATE.start_main_~k~5 78), 137972#(<= ULTIMATE.start_main_~k~5 75), 137973#(<= ULTIMATE.start_main_~k~5 76), 137978#(<= ULTIMATE.start_main_~k~5 81), 137979#(<= ULTIMATE.start_main_~k~5 82), 137976#(<= ULTIMATE.start_main_~k~5 79), 137977#(<= ULTIMATE.start_main_~k~5 80), 137982#(<= ULTIMATE.start_main_~k~5 85), 137983#(<= ULTIMATE.start_main_~k~5 86), 137980#(<= ULTIMATE.start_main_~k~5 83), 137981#(<= ULTIMATE.start_main_~k~5 84), 137986#(<= ULTIMATE.start_main_~k~5 89), 137987#(<= ULTIMATE.start_main_~k~5 90), 137984#(<= ULTIMATE.start_main_~k~5 87), 137985#(<= ULTIMATE.start_main_~k~5 88), 137990#(<= ULTIMATE.start_main_~k~5 93), 137991#(<= ULTIMATE.start_main_~k~5 94), 137988#(<= ULTIMATE.start_main_~k~5 91), 137989#(<= ULTIMATE.start_main_~k~5 92), 137994#(<= ULTIMATE.start_main_~k~5 97), 137995#(<= ULTIMATE.start_main_~k~5 98), 137992#(<= ULTIMATE.start_main_~k~5 95), 137993#(<= ULTIMATE.start_main_~k~5 96), 137998#(<= ULTIMATE.start_main_~k~5 101), 137999#(<= ULTIMATE.start_main_~k~5 102), 137996#(<= ULTIMATE.start_main_~k~5 99), 137997#(<= ULTIMATE.start_main_~k~5 100), 138002#(<= ULTIMATE.start_main_~k~5 105), 138003#(<= ULTIMATE.start_main_~k~5 106), 138000#(<= ULTIMATE.start_main_~k~5 103), 138001#(<= ULTIMATE.start_main_~k~5 104), 138006#(<= ULTIMATE.start_main_~k~5 109), 138007#(<= ULTIMATE.start_main_~k~5 110), 138004#(<= ULTIMATE.start_main_~k~5 107), 138005#(<= ULTIMATE.start_main_~k~5 108), 138010#(<= ULTIMATE.start_main_~k~5 113), 138011#(<= ULTIMATE.start_main_~k~5 114), 138008#(<= ULTIMATE.start_main_~k~5 111), 138009#(<= ULTIMATE.start_main_~k~5 112), 138014#(<= ULTIMATE.start_main_~k~5 117), 138015#(<= ULTIMATE.start_main_~k~5 118), 138012#(<= ULTIMATE.start_main_~k~5 115), 138013#(<= ULTIMATE.start_main_~k~5 116), 138018#(<= ULTIMATE.start_main_~k~5 121), 138019#(<= ULTIMATE.start_main_~k~5 122), 138016#(<= ULTIMATE.start_main_~k~5 119), 138017#(<= ULTIMATE.start_main_~k~5 120), 138022#(<= ULTIMATE.start_main_~k~5 125), 138023#(<= ULTIMATE.start_main_~k~5 126), 138020#(<= ULTIMATE.start_main_~k~5 123), 138021#(<= ULTIMATE.start_main_~k~5 124), 138026#(<= ULTIMATE.start_main_~k~5 129), 138027#(<= ULTIMATE.start_main_~k~5 130), 138024#(<= ULTIMATE.start_main_~k~5 127), 138025#(<= ULTIMATE.start_main_~k~5 128), 138030#(<= ULTIMATE.start_main_~k~5 133), 138031#(<= ULTIMATE.start_main_~k~5 134), 138028#(<= ULTIMATE.start_main_~k~5 131), 138029#(<= ULTIMATE.start_main_~k~5 132), 138034#(<= ULTIMATE.start_main_~k~5 137), 138035#(<= ULTIMATE.start_main_~k~5 138), 138032#(<= ULTIMATE.start_main_~k~5 135), 138033#(<= ULTIMATE.start_main_~k~5 136), 138038#(<= ULTIMATE.start_main_~k~5 141), 138039#(<= ULTIMATE.start_main_~k~5 142), 138036#(<= ULTIMATE.start_main_~k~5 139), 138037#(<= ULTIMATE.start_main_~k~5 140), 138042#(<= ULTIMATE.start_main_~k~5 145), 138043#(<= ULTIMATE.start_main_~k~5 146), 138040#(<= ULTIMATE.start_main_~k~5 143), 138041#(<= ULTIMATE.start_main_~k~5 144), 138046#(<= ULTIMATE.start_main_~k~5 149), 138047#(<= ULTIMATE.start_main_~k~5 150), 138044#(<= ULTIMATE.start_main_~k~5 147), 138045#(<= ULTIMATE.start_main_~k~5 148), 138050#(<= ULTIMATE.start_main_~k~5 153), 138051#(<= ULTIMATE.start_main_~k~5 154), 138048#(<= ULTIMATE.start_main_~k~5 151), 138049#(<= ULTIMATE.start_main_~k~5 152), 138054#(<= ULTIMATE.start_main_~k~5 157), 138055#(<= ULTIMATE.start_main_~k~5 158), 138052#(<= ULTIMATE.start_main_~k~5 155), 138053#(<= ULTIMATE.start_main_~k~5 156), 138058#(<= ULTIMATE.start_main_~k~5 161), 138059#(<= ULTIMATE.start_main_~k~5 162), 138056#(<= ULTIMATE.start_main_~k~5 159), 138057#(<= ULTIMATE.start_main_~k~5 160), 138062#(<= ULTIMATE.start_main_~k~5 165), 138063#(<= ULTIMATE.start_main_~k~5 166), 138060#(<= ULTIMATE.start_main_~k~5 163), 138061#(<= ULTIMATE.start_main_~k~5 164), 138066#(<= ULTIMATE.start_main_~k~5 169), 138067#(<= ULTIMATE.start_main_~k~5 170), 138064#(<= ULTIMATE.start_main_~k~5 167), 138065#(<= ULTIMATE.start_main_~k~5 168), 138070#(<= ULTIMATE.start_main_~k~5 173), 138071#(<= ULTIMATE.start_main_~k~5 174), 138068#(<= ULTIMATE.start_main_~k~5 171), 138069#(<= ULTIMATE.start_main_~k~5 172), 138074#(<= ULTIMATE.start_main_~k~5 177), 138075#(<= ULTIMATE.start_main_~k~5 178), 138072#(<= ULTIMATE.start_main_~k~5 175), 138073#(<= ULTIMATE.start_main_~k~5 176), 138078#(<= ULTIMATE.start_main_~k~5 181), 138079#(<= ULTIMATE.start_main_~k~5 182), 138076#(<= ULTIMATE.start_main_~k~5 179), 138077#(<= ULTIMATE.start_main_~k~5 180), 138082#(<= ULTIMATE.start_main_~k~5 185), 138083#(<= ULTIMATE.start_main_~k~5 186), 138080#(<= ULTIMATE.start_main_~k~5 183), 138081#(<= ULTIMATE.start_main_~k~5 184), 138086#(<= ULTIMATE.start_main_~k~5 189), 138087#(<= ULTIMATE.start_main_~k~5 190), 138084#(<= ULTIMATE.start_main_~k~5 187), 138085#(<= ULTIMATE.start_main_~k~5 188), 138090#(<= ULTIMATE.start_main_~k~5 193), 138091#(<= ULTIMATE.start_main_~k~5 194), 138088#(<= ULTIMATE.start_main_~k~5 191), 138089#(<= ULTIMATE.start_main_~k~5 192), 138094#(<= ULTIMATE.start_main_~k~5 197), 138095#(<= ULTIMATE.start_main_~k~5 198), 138092#(<= ULTIMATE.start_main_~k~5 195), 138093#(<= ULTIMATE.start_main_~k~5 196), 138098#(<= ULTIMATE.start_main_~k~5 201), 138099#(<= ULTIMATE.start_main_~k~5 202), 138096#(<= ULTIMATE.start_main_~k~5 199), 138097#(<= ULTIMATE.start_main_~k~5 200), 138102#(<= ULTIMATE.start_main_~k~5 205), 138103#(<= ULTIMATE.start_main_~k~5 206), 138100#(<= ULTIMATE.start_main_~k~5 203), 138101#(<= ULTIMATE.start_main_~k~5 204), 138106#(<= ULTIMATE.start_main_~k~5 209), 138107#(<= ULTIMATE.start_main_~k~5 210), 138104#(<= ULTIMATE.start_main_~k~5 207), 138105#(<= ULTIMATE.start_main_~k~5 208), 138110#(<= ULTIMATE.start_main_~k~5 213), 138111#(<= ULTIMATE.start_main_~k~5 214), 138108#(<= ULTIMATE.start_main_~k~5 211), 138109#(<= ULTIMATE.start_main_~k~5 212), 138114#(<= ULTIMATE.start_main_~k~5 217), 138115#(<= ULTIMATE.start_main_~k~5 218), 138112#(<= ULTIMATE.start_main_~k~5 215), 138113#(<= ULTIMATE.start_main_~k~5 216), 138118#(<= ULTIMATE.start_main_~k~5 221), 138119#(<= ULTIMATE.start_main_~k~5 222), 138116#(<= ULTIMATE.start_main_~k~5 219), 138117#(<= ULTIMATE.start_main_~k~5 220), 138122#(<= ULTIMATE.start_main_~k~5 225), 138123#(<= ULTIMATE.start_main_~k~5 226), 138120#(<= ULTIMATE.start_main_~k~5 223), 138121#(<= ULTIMATE.start_main_~k~5 224), 138126#(<= ULTIMATE.start_main_~k~5 229), 138127#(<= ULTIMATE.start_main_~k~5 230), 138124#(<= ULTIMATE.start_main_~k~5 227), 138125#(<= ULTIMATE.start_main_~k~5 228)] [2018-07-23 13:43:55,658 INFO L134 CoverageAnalysis]: Checked inductivity of 26565 backedges. 0 proven. 26565 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2018-07-23 13:43:55,658 INFO L450 AbstractCegarLoop]: Interpolant automaton has 233 states [2018-07-23 13:43:55,662 INFO L132 InterpolantAutomaton]: Constructing interpolant automaton starting with 233 interpolants. [2018-07-23 13:43:55,664 INFO L133 InterpolantAutomaton]: CoverageRelationStatistics Valid=27028, Invalid=27028, Unknown=0, NotChecked=0, Total=54056 [2018-07-23 13:43:55,664 INFO L87 Difference]: Start difference. First operand 234 states and 234 transitions. Second operand 233 states. [2018-07-23 13:43:56,815 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2018-07-23 13:43:56,815 INFO L93 Difference]: Finished difference Result 237 states and 237 transitions. [2018-07-23 13:43:56,815 INFO L142 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 233 states. [2018-07-23 13:43:56,815 INFO L78 Accepts]: Start accepts. Automaton has 233 states. Word has length 233 [2018-07-23 13:43:56,815 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2018-07-23 13:43:56,816 INFO L225 Difference]: With dead ends: 237 [2018-07-23 13:43:56,816 INFO L226 Difference]: Without dead ends: 235 [2018-07-23 13:43:56,818 INFO L575 BasicCegarLoop]: 0 DeclaredPredicates, 232 GetRequests, 1 SyntacticMatches, 0 SemanticMatches, 231 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 0 ImplicationChecksByTransitivity, 1.2s TimeCoverageRelationStatistics Valid=27028, Invalid=27028, Unknown=0, NotChecked=0, Total=54056 [2018-07-23 13:43:56,818 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 235 states. [2018-07-23 13:43:56,820 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 235 to 235. [2018-07-23 13:43:56,820 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 235 states. [2018-07-23 13:43:56,820 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 235 states to 235 states and 235 transitions. [2018-07-23 13:43:56,820 INFO L78 Accepts]: Start accepts. Automaton has 235 states and 235 transitions. Word has length 233 [2018-07-23 13:43:56,821 INFO L84 Accepts]: Finished accepts. word is rejected. [2018-07-23 13:43:56,821 INFO L471 AbstractCegarLoop]: Abstraction has 235 states and 235 transitions. [2018-07-23 13:43:56,821 INFO L472 AbstractCegarLoop]: Interpolant automaton has 233 states. [2018-07-23 13:43:56,821 INFO L276 IsEmpty]: Start isEmpty. Operand 235 states and 235 transitions. [2018-07-23 13:43:56,821 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 235 [2018-07-23 13:43:56,821 INFO L349 BasicCegarLoop]: Found error trace [2018-07-23 13:43:56,821 INFO L357 BasicCegarLoop]: trace histogram [231, 1, 1, 1] [2018-07-23 13:43:56,821 INFO L414 AbstractCegarLoop]: === Iteration 232 === [ULTIMATE.startErr0AssertViolationASSERT]=== [2018-07-23 13:43:56,822 INFO L82 PathProgramCache]: Analyzing trace with hash 1032310408, now seen corresponding path program 231 times [2018-07-23 13:43:56,822 INFO L69 tionRefinementEngine]: Using refinement strategy FixedRefinementStrategy [2018-07-23 13:43:56,952 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-07-23 13:43:58,295 INFO L134 CoverageAnalysis]: Checked inductivity of 26796 backedges. 0 proven. 26796 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2018-07-23 13:43:58,296 INFO L309 seRefinementStrategy]: Constructing automaton from 0 perfect and 1 imperfect interpolant sequences. [2018-07-23 13:43:58,296 INFO L324 seRefinementStrategy]: Number of different interpolants: perfect sequences [] imperfect sequences [233] total 233 [2018-07-23 13:43:58,296 INFO L142 lantAutomatonBuilder]: Constructing canonical interpolant automaton, with selfloop in false state [2018-07-23 13:43:58,296 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2018-07-23 13:43:58,297 INFO L185 omatonBuilderFactory]: Interpolants [139266#(<= ULTIMATE.start_main_~k~5 192), 139267#(<= ULTIMATE.start_main_~k~5 193), 139264#(<= ULTIMATE.start_main_~k~5 190), 139265#(<= ULTIMATE.start_main_~k~5 191), 139270#(<= ULTIMATE.start_main_~k~5 196), 139271#(<= ULTIMATE.start_main_~k~5 197), 139268#(<= ULTIMATE.start_main_~k~5 194), 139269#(<= ULTIMATE.start_main_~k~5 195), 139274#(<= ULTIMATE.start_main_~k~5 200), 139275#(<= ULTIMATE.start_main_~k~5 201), 139272#(<= ULTIMATE.start_main_~k~5 198), 139273#(<= ULTIMATE.start_main_~k~5 199), 139278#(<= ULTIMATE.start_main_~k~5 204), 139279#(<= ULTIMATE.start_main_~k~5 205), 139276#(<= ULTIMATE.start_main_~k~5 202), 139277#(<= ULTIMATE.start_main_~k~5 203), 139282#(<= ULTIMATE.start_main_~k~5 208), 139283#(<= ULTIMATE.start_main_~k~5 209), 139280#(<= ULTIMATE.start_main_~k~5 206), 139281#(<= ULTIMATE.start_main_~k~5 207), 139286#(<= ULTIMATE.start_main_~k~5 212), 139287#(<= ULTIMATE.start_main_~k~5 213), 139284#(<= ULTIMATE.start_main_~k~5 210), 139285#(<= ULTIMATE.start_main_~k~5 211), 139290#(<= ULTIMATE.start_main_~k~5 216), 139291#(<= ULTIMATE.start_main_~k~5 217), 139288#(<= ULTIMATE.start_main_~k~5 214), 139289#(<= ULTIMATE.start_main_~k~5 215), 139294#(<= ULTIMATE.start_main_~k~5 220), 139295#(<= ULTIMATE.start_main_~k~5 221), 139292#(<= ULTIMATE.start_main_~k~5 218), 139293#(<= ULTIMATE.start_main_~k~5 219), 139298#(<= ULTIMATE.start_main_~k~5 224), 139299#(<= ULTIMATE.start_main_~k~5 225), 139296#(<= ULTIMATE.start_main_~k~5 222), 139297#(<= ULTIMATE.start_main_~k~5 223), 139302#(<= ULTIMATE.start_main_~k~5 228), 139303#(<= ULTIMATE.start_main_~k~5 229), 139300#(<= ULTIMATE.start_main_~k~5 226), 139301#(<= ULTIMATE.start_main_~k~5 227), 139304#(<= ULTIMATE.start_main_~k~5 230), 139305#(<= ULTIMATE.start_main_~k~5 231), 139074#(<= ULTIMATE.start_main_~k~5 0), 139075#(<= ULTIMATE.start_main_~k~5 1), 139072#true, 139073#false, 139078#(<= ULTIMATE.start_main_~k~5 4), 139079#(<= ULTIMATE.start_main_~k~5 5), 139076#(<= ULTIMATE.start_main_~k~5 2), 139077#(<= ULTIMATE.start_main_~k~5 3), 139082#(<= ULTIMATE.start_main_~k~5 8), 139083#(<= ULTIMATE.start_main_~k~5 9), 139080#(<= ULTIMATE.start_main_~k~5 6), 139081#(<= ULTIMATE.start_main_~k~5 7), 139086#(<= ULTIMATE.start_main_~k~5 12), 139087#(<= ULTIMATE.start_main_~k~5 13), 139084#(<= ULTIMATE.start_main_~k~5 10), 139085#(<= ULTIMATE.start_main_~k~5 11), 139090#(<= ULTIMATE.start_main_~k~5 16), 139091#(<= ULTIMATE.start_main_~k~5 17), 139088#(<= ULTIMATE.start_main_~k~5 14), 139089#(<= ULTIMATE.start_main_~k~5 15), 139094#(<= ULTIMATE.start_main_~k~5 20), 139095#(<= ULTIMATE.start_main_~k~5 21), 139092#(<= ULTIMATE.start_main_~k~5 18), 139093#(<= ULTIMATE.start_main_~k~5 19), 139098#(<= ULTIMATE.start_main_~k~5 24), 139099#(<= ULTIMATE.start_main_~k~5 25), 139096#(<= ULTIMATE.start_main_~k~5 22), 139097#(<= ULTIMATE.start_main_~k~5 23), 139102#(<= ULTIMATE.start_main_~k~5 28), 139103#(<= ULTIMATE.start_main_~k~5 29), 139100#(<= ULTIMATE.start_main_~k~5 26), 139101#(<= ULTIMATE.start_main_~k~5 27), 139106#(<= ULTIMATE.start_main_~k~5 32), 139107#(<= ULTIMATE.start_main_~k~5 33), 139104#(<= ULTIMATE.start_main_~k~5 30), 139105#(<= ULTIMATE.start_main_~k~5 31), 139110#(<= ULTIMATE.start_main_~k~5 36), 139111#(<= ULTIMATE.start_main_~k~5 37), 139108#(<= ULTIMATE.start_main_~k~5 34), 139109#(<= ULTIMATE.start_main_~k~5 35), 139114#(<= ULTIMATE.start_main_~k~5 40), 139115#(<= ULTIMATE.start_main_~k~5 41), 139112#(<= ULTIMATE.start_main_~k~5 38), 139113#(<= ULTIMATE.start_main_~k~5 39), 139118#(<= ULTIMATE.start_main_~k~5 44), 139119#(<= ULTIMATE.start_main_~k~5 45), 139116#(<= ULTIMATE.start_main_~k~5 42), 139117#(<= ULTIMATE.start_main_~k~5 43), 139122#(<= ULTIMATE.start_main_~k~5 48), 139123#(<= ULTIMATE.start_main_~k~5 49), 139120#(<= ULTIMATE.start_main_~k~5 46), 139121#(<= ULTIMATE.start_main_~k~5 47), 139126#(<= ULTIMATE.start_main_~k~5 52), 139127#(<= ULTIMATE.start_main_~k~5 53), 139124#(<= ULTIMATE.start_main_~k~5 50), 139125#(<= ULTIMATE.start_main_~k~5 51), 139130#(<= ULTIMATE.start_main_~k~5 56), 139131#(<= ULTIMATE.start_main_~k~5 57), 139128#(<= ULTIMATE.start_main_~k~5 54), 139129#(<= ULTIMATE.start_main_~k~5 55), 139134#(<= ULTIMATE.start_main_~k~5 60), 139135#(<= ULTIMATE.start_main_~k~5 61), 139132#(<= ULTIMATE.start_main_~k~5 58), 139133#(<= ULTIMATE.start_main_~k~5 59), 139138#(<= ULTIMATE.start_main_~k~5 64), 139139#(<= ULTIMATE.start_main_~k~5 65), 139136#(<= ULTIMATE.start_main_~k~5 62), 139137#(<= ULTIMATE.start_main_~k~5 63), 139142#(<= ULTIMATE.start_main_~k~5 68), 139143#(<= ULTIMATE.start_main_~k~5 69), 139140#(<= ULTIMATE.start_main_~k~5 66), 139141#(<= ULTIMATE.start_main_~k~5 67), 139146#(<= ULTIMATE.start_main_~k~5 72), 139147#(<= ULTIMATE.start_main_~k~5 73), 139144#(<= ULTIMATE.start_main_~k~5 70), 139145#(<= ULTIMATE.start_main_~k~5 71), 139150#(<= ULTIMATE.start_main_~k~5 76), 139151#(<= ULTIMATE.start_main_~k~5 77), 139148#(<= ULTIMATE.start_main_~k~5 74), 139149#(<= ULTIMATE.start_main_~k~5 75), 139154#(<= ULTIMATE.start_main_~k~5 80), 139155#(<= ULTIMATE.start_main_~k~5 81), 139152#(<= ULTIMATE.start_main_~k~5 78), 139153#(<= ULTIMATE.start_main_~k~5 79), 139158#(<= ULTIMATE.start_main_~k~5 84), 139159#(<= ULTIMATE.start_main_~k~5 85), 139156#(<= ULTIMATE.start_main_~k~5 82), 139157#(<= ULTIMATE.start_main_~k~5 83), 139162#(<= ULTIMATE.start_main_~k~5 88), 139163#(<= ULTIMATE.start_main_~k~5 89), 139160#(<= ULTIMATE.start_main_~k~5 86), 139161#(<= ULTIMATE.start_main_~k~5 87), 139166#(<= ULTIMATE.start_main_~k~5 92), 139167#(<= ULTIMATE.start_main_~k~5 93), 139164#(<= ULTIMATE.start_main_~k~5 90), 139165#(<= ULTIMATE.start_main_~k~5 91), 139170#(<= ULTIMATE.start_main_~k~5 96), 139171#(<= ULTIMATE.start_main_~k~5 97), 139168#(<= ULTIMATE.start_main_~k~5 94), 139169#(<= ULTIMATE.start_main_~k~5 95), 139174#(<= ULTIMATE.start_main_~k~5 100), 139175#(<= ULTIMATE.start_main_~k~5 101), 139172#(<= ULTIMATE.start_main_~k~5 98), 139173#(<= ULTIMATE.start_main_~k~5 99), 139178#(<= ULTIMATE.start_main_~k~5 104), 139179#(<= ULTIMATE.start_main_~k~5 105), 139176#(<= ULTIMATE.start_main_~k~5 102), 139177#(<= ULTIMATE.start_main_~k~5 103), 139182#(<= ULTIMATE.start_main_~k~5 108), 139183#(<= ULTIMATE.start_main_~k~5 109), 139180#(<= ULTIMATE.start_main_~k~5 106), 139181#(<= ULTIMATE.start_main_~k~5 107), 139186#(<= ULTIMATE.start_main_~k~5 112), 139187#(<= ULTIMATE.start_main_~k~5 113), 139184#(<= ULTIMATE.start_main_~k~5 110), 139185#(<= ULTIMATE.start_main_~k~5 111), 139190#(<= ULTIMATE.start_main_~k~5 116), 139191#(<= ULTIMATE.start_main_~k~5 117), 139188#(<= ULTIMATE.start_main_~k~5 114), 139189#(<= ULTIMATE.start_main_~k~5 115), 139194#(<= ULTIMATE.start_main_~k~5 120), 139195#(<= ULTIMATE.start_main_~k~5 121), 139192#(<= ULTIMATE.start_main_~k~5 118), 139193#(<= ULTIMATE.start_main_~k~5 119), 139198#(<= ULTIMATE.start_main_~k~5 124), 139199#(<= ULTIMATE.start_main_~k~5 125), 139196#(<= ULTIMATE.start_main_~k~5 122), 139197#(<= ULTIMATE.start_main_~k~5 123), 139202#(<= ULTIMATE.start_main_~k~5 128), 139203#(<= ULTIMATE.start_main_~k~5 129), 139200#(<= ULTIMATE.start_main_~k~5 126), 139201#(<= ULTIMATE.start_main_~k~5 127), 139206#(<= ULTIMATE.start_main_~k~5 132), 139207#(<= ULTIMATE.start_main_~k~5 133), 139204#(<= ULTIMATE.start_main_~k~5 130), 139205#(<= ULTIMATE.start_main_~k~5 131), 139210#(<= ULTIMATE.start_main_~k~5 136), 139211#(<= ULTIMATE.start_main_~k~5 137), 139208#(<= ULTIMATE.start_main_~k~5 134), 139209#(<= ULTIMATE.start_main_~k~5 135), 139214#(<= ULTIMATE.start_main_~k~5 140), 139215#(<= ULTIMATE.start_main_~k~5 141), 139212#(<= ULTIMATE.start_main_~k~5 138), 139213#(<= ULTIMATE.start_main_~k~5 139), 139218#(<= ULTIMATE.start_main_~k~5 144), 139219#(<= ULTIMATE.start_main_~k~5 145), 139216#(<= ULTIMATE.start_main_~k~5 142), 139217#(<= ULTIMATE.start_main_~k~5 143), 139222#(<= ULTIMATE.start_main_~k~5 148), 139223#(<= ULTIMATE.start_main_~k~5 149), 139220#(<= ULTIMATE.start_main_~k~5 146), 139221#(<= ULTIMATE.start_main_~k~5 147), 139226#(<= ULTIMATE.start_main_~k~5 152), 139227#(<= ULTIMATE.start_main_~k~5 153), 139224#(<= ULTIMATE.start_main_~k~5 150), 139225#(<= ULTIMATE.start_main_~k~5 151), 139230#(<= ULTIMATE.start_main_~k~5 156), 139231#(<= ULTIMATE.start_main_~k~5 157), 139228#(<= ULTIMATE.start_main_~k~5 154), 139229#(<= ULTIMATE.start_main_~k~5 155), 139234#(<= ULTIMATE.start_main_~k~5 160), 139235#(<= ULTIMATE.start_main_~k~5 161), 139232#(<= ULTIMATE.start_main_~k~5 158), 139233#(<= ULTIMATE.start_main_~k~5 159), 139238#(<= ULTIMATE.start_main_~k~5 164), 139239#(<= ULTIMATE.start_main_~k~5 165), 139236#(<= ULTIMATE.start_main_~k~5 162), 139237#(<= ULTIMATE.start_main_~k~5 163), 139242#(<= ULTIMATE.start_main_~k~5 168), 139243#(<= ULTIMATE.start_main_~k~5 169), 139240#(<= ULTIMATE.start_main_~k~5 166), 139241#(<= ULTIMATE.start_main_~k~5 167), 139246#(<= ULTIMATE.start_main_~k~5 172), 139247#(<= ULTIMATE.start_main_~k~5 173), 139244#(<= ULTIMATE.start_main_~k~5 170), 139245#(<= ULTIMATE.start_main_~k~5 171), 139250#(<= ULTIMATE.start_main_~k~5 176), 139251#(<= ULTIMATE.start_main_~k~5 177), 139248#(<= ULTIMATE.start_main_~k~5 174), 139249#(<= ULTIMATE.start_main_~k~5 175), 139254#(<= ULTIMATE.start_main_~k~5 180), 139255#(<= ULTIMATE.start_main_~k~5 181), 139252#(<= ULTIMATE.start_main_~k~5 178), 139253#(<= ULTIMATE.start_main_~k~5 179), 139258#(<= ULTIMATE.start_main_~k~5 184), 139259#(<= ULTIMATE.start_main_~k~5 185), 139256#(<= ULTIMATE.start_main_~k~5 182), 139257#(<= ULTIMATE.start_main_~k~5 183), 139262#(<= ULTIMATE.start_main_~k~5 188), 139263#(<= ULTIMATE.start_main_~k~5 189), 139260#(<= ULTIMATE.start_main_~k~5 186), 139261#(<= ULTIMATE.start_main_~k~5 187)] [2018-07-23 13:43:58,298 INFO L134 CoverageAnalysis]: Checked inductivity of 26796 backedges. 0 proven. 26796 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2018-07-23 13:43:58,298 INFO L450 AbstractCegarLoop]: Interpolant automaton has 234 states [2018-07-23 13:43:58,302 INFO L132 InterpolantAutomaton]: Constructing interpolant automaton starting with 234 interpolants. [2018-07-23 13:43:58,304 INFO L133 InterpolantAutomaton]: CoverageRelationStatistics Valid=27261, Invalid=27261, Unknown=0, NotChecked=0, Total=54522 [2018-07-23 13:43:58,304 INFO L87 Difference]: Start difference. First operand 235 states and 235 transitions. Second operand 234 states. [2018-07-23 13:43:59,255 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2018-07-23 13:43:59,256 INFO L93 Difference]: Finished difference Result 238 states and 238 transitions. [2018-07-23 13:43:59,256 INFO L142 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 234 states. [2018-07-23 13:43:59,256 INFO L78 Accepts]: Start accepts. Automaton has 234 states. Word has length 234 [2018-07-23 13:43:59,256 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2018-07-23 13:43:59,257 INFO L225 Difference]: With dead ends: 238 [2018-07-23 13:43:59,257 INFO L226 Difference]: Without dead ends: 236 [2018-07-23 13:43:59,261 INFO L575 BasicCegarLoop]: 0 DeclaredPredicates, 233 GetRequests, 1 SyntacticMatches, 0 SemanticMatches, 232 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 0 ImplicationChecksByTransitivity, 1.2s TimeCoverageRelationStatistics Valid=27261, Invalid=27261, Unknown=0, NotChecked=0, Total=54522 [2018-07-23 13:43:59,262 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 236 states. [2018-07-23 13:43:59,265 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 236 to 236. [2018-07-23 13:43:59,265 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 236 states. [2018-07-23 13:43:59,265 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 236 states to 236 states and 236 transitions. [2018-07-23 13:43:59,265 INFO L78 Accepts]: Start accepts. Automaton has 236 states and 236 transitions. Word has length 234 [2018-07-23 13:43:59,266 INFO L84 Accepts]: Finished accepts. word is rejected. [2018-07-23 13:43:59,266 INFO L471 AbstractCegarLoop]: Abstraction has 236 states and 236 transitions. [2018-07-23 13:43:59,266 INFO L472 AbstractCegarLoop]: Interpolant automaton has 234 states. [2018-07-23 13:43:59,266 INFO L276 IsEmpty]: Start isEmpty. Operand 236 states and 236 transitions. [2018-07-23 13:43:59,267 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 236 [2018-07-23 13:43:59,267 INFO L349 BasicCegarLoop]: Found error trace [2018-07-23 13:43:59,267 INFO L357 BasicCegarLoop]: trace histogram [232, 1, 1, 1] [2018-07-23 13:43:59,267 INFO L414 AbstractCegarLoop]: === Iteration 233 === [ULTIMATE.startErr0AssertViolationASSERT]=== [2018-07-23 13:43:59,267 INFO L82 PathProgramCache]: Analyzing trace with hash 1936849601, now seen corresponding path program 232 times [2018-07-23 13:43:59,267 INFO L69 tionRefinementEngine]: Using refinement strategy FixedRefinementStrategy [2018-07-23 13:43:59,398 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-07-23 13:44:00,726 INFO L134 CoverageAnalysis]: Checked inductivity of 27028 backedges. 0 proven. 27028 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2018-07-23 13:44:00,726 INFO L309 seRefinementStrategy]: Constructing automaton from 0 perfect and 1 imperfect interpolant sequences. [2018-07-23 13:44:00,727 INFO L324 seRefinementStrategy]: Number of different interpolants: perfect sequences [] imperfect sequences [234] total 234 [2018-07-23 13:44:00,727 INFO L142 lantAutomatonBuilder]: Constructing canonical interpolant automaton, with selfloop in false state [2018-07-23 13:44:00,727 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2018-07-23 13:44:00,727 INFO L185 omatonBuilderFactory]: Interpolants [140290#(<= ULTIMATE.start_main_~k~5 34), 140291#(<= ULTIMATE.start_main_~k~5 35), 140288#(<= ULTIMATE.start_main_~k~5 32), 140289#(<= ULTIMATE.start_main_~k~5 33), 140294#(<= ULTIMATE.start_main_~k~5 38), 140295#(<= ULTIMATE.start_main_~k~5 39), 140292#(<= ULTIMATE.start_main_~k~5 36), 140293#(<= ULTIMATE.start_main_~k~5 37), 140298#(<= ULTIMATE.start_main_~k~5 42), 140299#(<= ULTIMATE.start_main_~k~5 43), 140296#(<= ULTIMATE.start_main_~k~5 40), 140297#(<= ULTIMATE.start_main_~k~5 41), 140302#(<= ULTIMATE.start_main_~k~5 46), 140303#(<= ULTIMATE.start_main_~k~5 47), 140300#(<= ULTIMATE.start_main_~k~5 44), 140301#(<= ULTIMATE.start_main_~k~5 45), 140306#(<= ULTIMATE.start_main_~k~5 50), 140307#(<= ULTIMATE.start_main_~k~5 51), 140304#(<= ULTIMATE.start_main_~k~5 48), 140305#(<= ULTIMATE.start_main_~k~5 49), 140310#(<= ULTIMATE.start_main_~k~5 54), 140311#(<= ULTIMATE.start_main_~k~5 55), 140308#(<= ULTIMATE.start_main_~k~5 52), 140309#(<= ULTIMATE.start_main_~k~5 53), 140314#(<= ULTIMATE.start_main_~k~5 58), 140315#(<= ULTIMATE.start_main_~k~5 59), 140312#(<= ULTIMATE.start_main_~k~5 56), 140313#(<= ULTIMATE.start_main_~k~5 57), 140318#(<= ULTIMATE.start_main_~k~5 62), 140319#(<= ULTIMATE.start_main_~k~5 63), 140316#(<= ULTIMATE.start_main_~k~5 60), 140317#(<= ULTIMATE.start_main_~k~5 61), 140322#(<= ULTIMATE.start_main_~k~5 66), 140323#(<= ULTIMATE.start_main_~k~5 67), 140320#(<= ULTIMATE.start_main_~k~5 64), 140321#(<= ULTIMATE.start_main_~k~5 65), 140326#(<= ULTIMATE.start_main_~k~5 70), 140327#(<= ULTIMATE.start_main_~k~5 71), 140324#(<= ULTIMATE.start_main_~k~5 68), 140325#(<= ULTIMATE.start_main_~k~5 69), 140330#(<= ULTIMATE.start_main_~k~5 74), 140331#(<= ULTIMATE.start_main_~k~5 75), 140328#(<= ULTIMATE.start_main_~k~5 72), 140329#(<= ULTIMATE.start_main_~k~5 73), 140334#(<= ULTIMATE.start_main_~k~5 78), 140335#(<= ULTIMATE.start_main_~k~5 79), 140332#(<= ULTIMATE.start_main_~k~5 76), 140333#(<= ULTIMATE.start_main_~k~5 77), 140338#(<= ULTIMATE.start_main_~k~5 82), 140339#(<= ULTIMATE.start_main_~k~5 83), 140336#(<= ULTIMATE.start_main_~k~5 80), 140337#(<= ULTIMATE.start_main_~k~5 81), 140342#(<= ULTIMATE.start_main_~k~5 86), 140343#(<= ULTIMATE.start_main_~k~5 87), 140340#(<= ULTIMATE.start_main_~k~5 84), 140341#(<= ULTIMATE.start_main_~k~5 85), 140346#(<= ULTIMATE.start_main_~k~5 90), 140347#(<= ULTIMATE.start_main_~k~5 91), 140344#(<= ULTIMATE.start_main_~k~5 88), 140345#(<= ULTIMATE.start_main_~k~5 89), 140350#(<= ULTIMATE.start_main_~k~5 94), 140351#(<= ULTIMATE.start_main_~k~5 95), 140348#(<= ULTIMATE.start_main_~k~5 92), 140349#(<= ULTIMATE.start_main_~k~5 93), 140354#(<= ULTIMATE.start_main_~k~5 98), 140355#(<= ULTIMATE.start_main_~k~5 99), 140352#(<= ULTIMATE.start_main_~k~5 96), 140353#(<= ULTIMATE.start_main_~k~5 97), 140358#(<= ULTIMATE.start_main_~k~5 102), 140359#(<= ULTIMATE.start_main_~k~5 103), 140356#(<= ULTIMATE.start_main_~k~5 100), 140357#(<= ULTIMATE.start_main_~k~5 101), 140362#(<= ULTIMATE.start_main_~k~5 106), 140363#(<= ULTIMATE.start_main_~k~5 107), 140360#(<= ULTIMATE.start_main_~k~5 104), 140361#(<= ULTIMATE.start_main_~k~5 105), 140366#(<= ULTIMATE.start_main_~k~5 110), 140367#(<= ULTIMATE.start_main_~k~5 111), 140364#(<= ULTIMATE.start_main_~k~5 108), 140365#(<= ULTIMATE.start_main_~k~5 109), 140370#(<= ULTIMATE.start_main_~k~5 114), 140371#(<= ULTIMATE.start_main_~k~5 115), 140368#(<= ULTIMATE.start_main_~k~5 112), 140369#(<= ULTIMATE.start_main_~k~5 113), 140374#(<= ULTIMATE.start_main_~k~5 118), 140375#(<= ULTIMATE.start_main_~k~5 119), 140372#(<= ULTIMATE.start_main_~k~5 116), 140373#(<= ULTIMATE.start_main_~k~5 117), 140378#(<= ULTIMATE.start_main_~k~5 122), 140379#(<= ULTIMATE.start_main_~k~5 123), 140376#(<= ULTIMATE.start_main_~k~5 120), 140377#(<= ULTIMATE.start_main_~k~5 121), 140382#(<= ULTIMATE.start_main_~k~5 126), 140383#(<= ULTIMATE.start_main_~k~5 127), 140380#(<= ULTIMATE.start_main_~k~5 124), 140381#(<= ULTIMATE.start_main_~k~5 125), 140386#(<= ULTIMATE.start_main_~k~5 130), 140387#(<= ULTIMATE.start_main_~k~5 131), 140384#(<= ULTIMATE.start_main_~k~5 128), 140385#(<= ULTIMATE.start_main_~k~5 129), 140390#(<= ULTIMATE.start_main_~k~5 134), 140391#(<= ULTIMATE.start_main_~k~5 135), 140388#(<= ULTIMATE.start_main_~k~5 132), 140389#(<= ULTIMATE.start_main_~k~5 133), 140394#(<= ULTIMATE.start_main_~k~5 138), 140395#(<= ULTIMATE.start_main_~k~5 139), 140392#(<= ULTIMATE.start_main_~k~5 136), 140393#(<= ULTIMATE.start_main_~k~5 137), 140398#(<= ULTIMATE.start_main_~k~5 142), 140399#(<= ULTIMATE.start_main_~k~5 143), 140396#(<= ULTIMATE.start_main_~k~5 140), 140397#(<= ULTIMATE.start_main_~k~5 141), 140402#(<= ULTIMATE.start_main_~k~5 146), 140403#(<= ULTIMATE.start_main_~k~5 147), 140400#(<= ULTIMATE.start_main_~k~5 144), 140401#(<= ULTIMATE.start_main_~k~5 145), 140406#(<= ULTIMATE.start_main_~k~5 150), 140407#(<= ULTIMATE.start_main_~k~5 151), 140404#(<= ULTIMATE.start_main_~k~5 148), 140405#(<= ULTIMATE.start_main_~k~5 149), 140410#(<= ULTIMATE.start_main_~k~5 154), 140411#(<= ULTIMATE.start_main_~k~5 155), 140408#(<= ULTIMATE.start_main_~k~5 152), 140409#(<= ULTIMATE.start_main_~k~5 153), 140414#(<= ULTIMATE.start_main_~k~5 158), 140415#(<= ULTIMATE.start_main_~k~5 159), 140412#(<= ULTIMATE.start_main_~k~5 156), 140413#(<= ULTIMATE.start_main_~k~5 157), 140418#(<= ULTIMATE.start_main_~k~5 162), 140419#(<= ULTIMATE.start_main_~k~5 163), 140416#(<= ULTIMATE.start_main_~k~5 160), 140417#(<= ULTIMATE.start_main_~k~5 161), 140422#(<= ULTIMATE.start_main_~k~5 166), 140423#(<= ULTIMATE.start_main_~k~5 167), 140420#(<= ULTIMATE.start_main_~k~5 164), 140421#(<= ULTIMATE.start_main_~k~5 165), 140426#(<= ULTIMATE.start_main_~k~5 170), 140427#(<= ULTIMATE.start_main_~k~5 171), 140424#(<= ULTIMATE.start_main_~k~5 168), 140425#(<= ULTIMATE.start_main_~k~5 169), 140430#(<= ULTIMATE.start_main_~k~5 174), 140431#(<= ULTIMATE.start_main_~k~5 175), 140428#(<= ULTIMATE.start_main_~k~5 172), 140429#(<= ULTIMATE.start_main_~k~5 173), 140434#(<= ULTIMATE.start_main_~k~5 178), 140435#(<= ULTIMATE.start_main_~k~5 179), 140432#(<= ULTIMATE.start_main_~k~5 176), 140433#(<= ULTIMATE.start_main_~k~5 177), 140438#(<= ULTIMATE.start_main_~k~5 182), 140439#(<= ULTIMATE.start_main_~k~5 183), 140436#(<= ULTIMATE.start_main_~k~5 180), 140437#(<= ULTIMATE.start_main_~k~5 181), 140442#(<= ULTIMATE.start_main_~k~5 186), 140443#(<= ULTIMATE.start_main_~k~5 187), 140440#(<= ULTIMATE.start_main_~k~5 184), 140441#(<= ULTIMATE.start_main_~k~5 185), 140446#(<= ULTIMATE.start_main_~k~5 190), 140447#(<= ULTIMATE.start_main_~k~5 191), 140444#(<= ULTIMATE.start_main_~k~5 188), 140445#(<= ULTIMATE.start_main_~k~5 189), 140450#(<= ULTIMATE.start_main_~k~5 194), 140451#(<= ULTIMATE.start_main_~k~5 195), 140448#(<= ULTIMATE.start_main_~k~5 192), 140449#(<= ULTIMATE.start_main_~k~5 193), 140454#(<= ULTIMATE.start_main_~k~5 198), 140455#(<= ULTIMATE.start_main_~k~5 199), 140452#(<= ULTIMATE.start_main_~k~5 196), 140453#(<= ULTIMATE.start_main_~k~5 197), 140458#(<= ULTIMATE.start_main_~k~5 202), 140459#(<= ULTIMATE.start_main_~k~5 203), 140456#(<= ULTIMATE.start_main_~k~5 200), 140457#(<= ULTIMATE.start_main_~k~5 201), 140462#(<= ULTIMATE.start_main_~k~5 206), 140463#(<= ULTIMATE.start_main_~k~5 207), 140460#(<= ULTIMATE.start_main_~k~5 204), 140461#(<= ULTIMATE.start_main_~k~5 205), 140466#(<= ULTIMATE.start_main_~k~5 210), 140467#(<= ULTIMATE.start_main_~k~5 211), 140464#(<= ULTIMATE.start_main_~k~5 208), 140465#(<= ULTIMATE.start_main_~k~5 209), 140470#(<= ULTIMATE.start_main_~k~5 214), 140471#(<= ULTIMATE.start_main_~k~5 215), 140468#(<= ULTIMATE.start_main_~k~5 212), 140469#(<= ULTIMATE.start_main_~k~5 213), 140474#(<= ULTIMATE.start_main_~k~5 218), 140475#(<= ULTIMATE.start_main_~k~5 219), 140472#(<= ULTIMATE.start_main_~k~5 216), 140473#(<= ULTIMATE.start_main_~k~5 217), 140478#(<= ULTIMATE.start_main_~k~5 222), 140479#(<= ULTIMATE.start_main_~k~5 223), 140476#(<= ULTIMATE.start_main_~k~5 220), 140477#(<= ULTIMATE.start_main_~k~5 221), 140482#(<= ULTIMATE.start_main_~k~5 226), 140483#(<= ULTIMATE.start_main_~k~5 227), 140480#(<= ULTIMATE.start_main_~k~5 224), 140481#(<= ULTIMATE.start_main_~k~5 225), 140486#(<= ULTIMATE.start_main_~k~5 230), 140487#(<= ULTIMATE.start_main_~k~5 231), 140484#(<= ULTIMATE.start_main_~k~5 228), 140485#(<= ULTIMATE.start_main_~k~5 229), 140488#(<= ULTIMATE.start_main_~k~5 232), 140254#true, 140255#false, 140258#(<= ULTIMATE.start_main_~k~5 2), 140259#(<= ULTIMATE.start_main_~k~5 3), 140256#(<= ULTIMATE.start_main_~k~5 0), 140257#(<= ULTIMATE.start_main_~k~5 1), 140262#(<= ULTIMATE.start_main_~k~5 6), 140263#(<= ULTIMATE.start_main_~k~5 7), 140260#(<= ULTIMATE.start_main_~k~5 4), 140261#(<= ULTIMATE.start_main_~k~5 5), 140266#(<= ULTIMATE.start_main_~k~5 10), 140267#(<= ULTIMATE.start_main_~k~5 11), 140264#(<= ULTIMATE.start_main_~k~5 8), 140265#(<= ULTIMATE.start_main_~k~5 9), 140270#(<= ULTIMATE.start_main_~k~5 14), 140271#(<= ULTIMATE.start_main_~k~5 15), 140268#(<= ULTIMATE.start_main_~k~5 12), 140269#(<= ULTIMATE.start_main_~k~5 13), 140274#(<= ULTIMATE.start_main_~k~5 18), 140275#(<= ULTIMATE.start_main_~k~5 19), 140272#(<= ULTIMATE.start_main_~k~5 16), 140273#(<= ULTIMATE.start_main_~k~5 17), 140278#(<= ULTIMATE.start_main_~k~5 22), 140279#(<= ULTIMATE.start_main_~k~5 23), 140276#(<= ULTIMATE.start_main_~k~5 20), 140277#(<= ULTIMATE.start_main_~k~5 21), 140282#(<= ULTIMATE.start_main_~k~5 26), 140283#(<= ULTIMATE.start_main_~k~5 27), 140280#(<= ULTIMATE.start_main_~k~5 24), 140281#(<= ULTIMATE.start_main_~k~5 25), 140286#(<= ULTIMATE.start_main_~k~5 30), 140287#(<= ULTIMATE.start_main_~k~5 31), 140284#(<= ULTIMATE.start_main_~k~5 28), 140285#(<= ULTIMATE.start_main_~k~5 29)] [2018-07-23 13:44:00,729 INFO L134 CoverageAnalysis]: Checked inductivity of 27028 backedges. 0 proven. 27028 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2018-07-23 13:44:00,729 INFO L450 AbstractCegarLoop]: Interpolant automaton has 235 states [2018-07-23 13:44:00,732 INFO L132 InterpolantAutomaton]: Constructing interpolant automaton starting with 235 interpolants. [2018-07-23 13:44:00,734 INFO L133 InterpolantAutomaton]: CoverageRelationStatistics Valid=27495, Invalid=27495, Unknown=0, NotChecked=0, Total=54990 [2018-07-23 13:44:00,734 INFO L87 Difference]: Start difference. First operand 236 states and 236 transitions. Second operand 235 states. [2018-07-23 13:44:02,234 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2018-07-23 13:44:02,235 INFO L93 Difference]: Finished difference Result 239 states and 239 transitions. [2018-07-23 13:44:02,235 INFO L142 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 235 states. [2018-07-23 13:44:02,235 INFO L78 Accepts]: Start accepts. Automaton has 235 states. Word has length 235 [2018-07-23 13:44:02,235 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2018-07-23 13:44:02,235 INFO L225 Difference]: With dead ends: 239 [2018-07-23 13:44:02,235 INFO L226 Difference]: Without dead ends: 237 [2018-07-23 13:44:02,237 INFO L575 BasicCegarLoop]: 0 DeclaredPredicates, 234 GetRequests, 1 SyntacticMatches, 0 SemanticMatches, 233 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 0 ImplicationChecksByTransitivity, 1.1s TimeCoverageRelationStatistics Valid=27495, Invalid=27495, Unknown=0, NotChecked=0, Total=54990 [2018-07-23 13:44:02,238 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 237 states. [2018-07-23 13:44:02,240 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 237 to 237. [2018-07-23 13:44:02,240 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 237 states. [2018-07-23 13:44:02,240 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 237 states to 237 states and 237 transitions. [2018-07-23 13:44:02,240 INFO L78 Accepts]: Start accepts. Automaton has 237 states and 237 transitions. Word has length 235 [2018-07-23 13:44:02,240 INFO L84 Accepts]: Finished accepts. word is rejected. [2018-07-23 13:44:02,240 INFO L471 AbstractCegarLoop]: Abstraction has 237 states and 237 transitions. [2018-07-23 13:44:02,240 INFO L472 AbstractCegarLoop]: Interpolant automaton has 235 states. [2018-07-23 13:44:02,240 INFO L276 IsEmpty]: Start isEmpty. Operand 237 states and 237 transitions. [2018-07-23 13:44:02,241 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 237 [2018-07-23 13:44:02,241 INFO L349 BasicCegarLoop]: Found error trace [2018-07-23 13:44:02,241 INFO L357 BasicCegarLoop]: trace histogram [233, 1, 1, 1] [2018-07-23 13:44:02,241 INFO L414 AbstractCegarLoop]: === Iteration 234 === [ULTIMATE.startErr0AssertViolationASSERT]=== [2018-07-23 13:44:02,241 INFO L82 PathProgramCache]: Analyzing trace with hash -87206488, now seen corresponding path program 233 times [2018-07-23 13:44:02,241 INFO L69 tionRefinementEngine]: Using refinement strategy FixedRefinementStrategy [2018-07-23 13:44:02,366 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-07-23 13:44:03,718 INFO L134 CoverageAnalysis]: Checked inductivity of 27261 backedges. 0 proven. 27261 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2018-07-23 13:44:03,719 INFO L309 seRefinementStrategy]: Constructing automaton from 0 perfect and 1 imperfect interpolant sequences. [2018-07-23 13:44:03,719 INFO L324 seRefinementStrategy]: Number of different interpolants: perfect sequences [] imperfect sequences [235] total 235 [2018-07-23 13:44:03,719 INFO L142 lantAutomatonBuilder]: Constructing canonical interpolant automaton, with selfloop in false state [2018-07-23 13:44:03,719 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2018-07-23 13:44:03,719 INFO L185 omatonBuilderFactory]: Interpolants [141442#false, 141443#(<= ULTIMATE.start_main_~k~5 0), 141441#true, 141446#(<= ULTIMATE.start_main_~k~5 3), 141447#(<= ULTIMATE.start_main_~k~5 4), 141444#(<= ULTIMATE.start_main_~k~5 1), 141445#(<= ULTIMATE.start_main_~k~5 2), 141450#(<= ULTIMATE.start_main_~k~5 7), 141451#(<= ULTIMATE.start_main_~k~5 8), 141448#(<= ULTIMATE.start_main_~k~5 5), 141449#(<= ULTIMATE.start_main_~k~5 6), 141454#(<= ULTIMATE.start_main_~k~5 11), 141455#(<= ULTIMATE.start_main_~k~5 12), 141452#(<= ULTIMATE.start_main_~k~5 9), 141453#(<= ULTIMATE.start_main_~k~5 10), 141458#(<= ULTIMATE.start_main_~k~5 15), 141459#(<= ULTIMATE.start_main_~k~5 16), 141456#(<= ULTIMATE.start_main_~k~5 13), 141457#(<= ULTIMATE.start_main_~k~5 14), 141462#(<= ULTIMATE.start_main_~k~5 19), 141463#(<= ULTIMATE.start_main_~k~5 20), 141460#(<= ULTIMATE.start_main_~k~5 17), 141461#(<= ULTIMATE.start_main_~k~5 18), 141466#(<= ULTIMATE.start_main_~k~5 23), 141467#(<= ULTIMATE.start_main_~k~5 24), 141464#(<= ULTIMATE.start_main_~k~5 21), 141465#(<= ULTIMATE.start_main_~k~5 22), 141470#(<= ULTIMATE.start_main_~k~5 27), 141471#(<= ULTIMATE.start_main_~k~5 28), 141468#(<= ULTIMATE.start_main_~k~5 25), 141469#(<= ULTIMATE.start_main_~k~5 26), 141474#(<= ULTIMATE.start_main_~k~5 31), 141475#(<= ULTIMATE.start_main_~k~5 32), 141472#(<= ULTIMATE.start_main_~k~5 29), 141473#(<= ULTIMATE.start_main_~k~5 30), 141478#(<= ULTIMATE.start_main_~k~5 35), 141479#(<= ULTIMATE.start_main_~k~5 36), 141476#(<= ULTIMATE.start_main_~k~5 33), 141477#(<= ULTIMATE.start_main_~k~5 34), 141482#(<= ULTIMATE.start_main_~k~5 39), 141483#(<= ULTIMATE.start_main_~k~5 40), 141480#(<= ULTIMATE.start_main_~k~5 37), 141481#(<= ULTIMATE.start_main_~k~5 38), 141486#(<= ULTIMATE.start_main_~k~5 43), 141487#(<= ULTIMATE.start_main_~k~5 44), 141484#(<= ULTIMATE.start_main_~k~5 41), 141485#(<= ULTIMATE.start_main_~k~5 42), 141490#(<= ULTIMATE.start_main_~k~5 47), 141491#(<= ULTIMATE.start_main_~k~5 48), 141488#(<= ULTIMATE.start_main_~k~5 45), 141489#(<= ULTIMATE.start_main_~k~5 46), 141494#(<= ULTIMATE.start_main_~k~5 51), 141495#(<= ULTIMATE.start_main_~k~5 52), 141492#(<= ULTIMATE.start_main_~k~5 49), 141493#(<= ULTIMATE.start_main_~k~5 50), 141498#(<= ULTIMATE.start_main_~k~5 55), 141499#(<= ULTIMATE.start_main_~k~5 56), 141496#(<= ULTIMATE.start_main_~k~5 53), 141497#(<= ULTIMATE.start_main_~k~5 54), 141502#(<= ULTIMATE.start_main_~k~5 59), 141503#(<= ULTIMATE.start_main_~k~5 60), 141500#(<= ULTIMATE.start_main_~k~5 57), 141501#(<= ULTIMATE.start_main_~k~5 58), 141506#(<= ULTIMATE.start_main_~k~5 63), 141507#(<= ULTIMATE.start_main_~k~5 64), 141504#(<= ULTIMATE.start_main_~k~5 61), 141505#(<= ULTIMATE.start_main_~k~5 62), 141510#(<= ULTIMATE.start_main_~k~5 67), 141511#(<= ULTIMATE.start_main_~k~5 68), 141508#(<= ULTIMATE.start_main_~k~5 65), 141509#(<= ULTIMATE.start_main_~k~5 66), 141514#(<= ULTIMATE.start_main_~k~5 71), 141515#(<= ULTIMATE.start_main_~k~5 72), 141512#(<= ULTIMATE.start_main_~k~5 69), 141513#(<= ULTIMATE.start_main_~k~5 70), 141518#(<= ULTIMATE.start_main_~k~5 75), 141519#(<= ULTIMATE.start_main_~k~5 76), 141516#(<= ULTIMATE.start_main_~k~5 73), 141517#(<= ULTIMATE.start_main_~k~5 74), 141522#(<= ULTIMATE.start_main_~k~5 79), 141523#(<= ULTIMATE.start_main_~k~5 80), 141520#(<= ULTIMATE.start_main_~k~5 77), 141521#(<= ULTIMATE.start_main_~k~5 78), 141526#(<= ULTIMATE.start_main_~k~5 83), 141527#(<= ULTIMATE.start_main_~k~5 84), 141524#(<= ULTIMATE.start_main_~k~5 81), 141525#(<= ULTIMATE.start_main_~k~5 82), 141530#(<= ULTIMATE.start_main_~k~5 87), 141531#(<= ULTIMATE.start_main_~k~5 88), 141528#(<= ULTIMATE.start_main_~k~5 85), 141529#(<= ULTIMATE.start_main_~k~5 86), 141534#(<= ULTIMATE.start_main_~k~5 91), 141535#(<= ULTIMATE.start_main_~k~5 92), 141532#(<= ULTIMATE.start_main_~k~5 89), 141533#(<= ULTIMATE.start_main_~k~5 90), 141538#(<= ULTIMATE.start_main_~k~5 95), 141539#(<= ULTIMATE.start_main_~k~5 96), 141536#(<= ULTIMATE.start_main_~k~5 93), 141537#(<= ULTIMATE.start_main_~k~5 94), 141542#(<= ULTIMATE.start_main_~k~5 99), 141543#(<= ULTIMATE.start_main_~k~5 100), 141540#(<= ULTIMATE.start_main_~k~5 97), 141541#(<= ULTIMATE.start_main_~k~5 98), 141546#(<= ULTIMATE.start_main_~k~5 103), 141547#(<= ULTIMATE.start_main_~k~5 104), 141544#(<= ULTIMATE.start_main_~k~5 101), 141545#(<= ULTIMATE.start_main_~k~5 102), 141550#(<= ULTIMATE.start_main_~k~5 107), 141551#(<= ULTIMATE.start_main_~k~5 108), 141548#(<= ULTIMATE.start_main_~k~5 105), 141549#(<= ULTIMATE.start_main_~k~5 106), 141554#(<= ULTIMATE.start_main_~k~5 111), 141555#(<= ULTIMATE.start_main_~k~5 112), 141552#(<= ULTIMATE.start_main_~k~5 109), 141553#(<= ULTIMATE.start_main_~k~5 110), 141558#(<= ULTIMATE.start_main_~k~5 115), 141559#(<= ULTIMATE.start_main_~k~5 116), 141556#(<= ULTIMATE.start_main_~k~5 113), 141557#(<= ULTIMATE.start_main_~k~5 114), 141562#(<= ULTIMATE.start_main_~k~5 119), 141563#(<= ULTIMATE.start_main_~k~5 120), 141560#(<= ULTIMATE.start_main_~k~5 117), 141561#(<= ULTIMATE.start_main_~k~5 118), 141566#(<= ULTIMATE.start_main_~k~5 123), 141567#(<= ULTIMATE.start_main_~k~5 124), 141564#(<= ULTIMATE.start_main_~k~5 121), 141565#(<= ULTIMATE.start_main_~k~5 122), 141570#(<= ULTIMATE.start_main_~k~5 127), 141571#(<= ULTIMATE.start_main_~k~5 128), 141568#(<= ULTIMATE.start_main_~k~5 125), 141569#(<= ULTIMATE.start_main_~k~5 126), 141574#(<= ULTIMATE.start_main_~k~5 131), 141575#(<= ULTIMATE.start_main_~k~5 132), 141572#(<= ULTIMATE.start_main_~k~5 129), 141573#(<= ULTIMATE.start_main_~k~5 130), 141578#(<= ULTIMATE.start_main_~k~5 135), 141579#(<= ULTIMATE.start_main_~k~5 136), 141576#(<= ULTIMATE.start_main_~k~5 133), 141577#(<= ULTIMATE.start_main_~k~5 134), 141582#(<= ULTIMATE.start_main_~k~5 139), 141583#(<= ULTIMATE.start_main_~k~5 140), 141580#(<= ULTIMATE.start_main_~k~5 137), 141581#(<= ULTIMATE.start_main_~k~5 138), 141586#(<= ULTIMATE.start_main_~k~5 143), 141587#(<= ULTIMATE.start_main_~k~5 144), 141584#(<= ULTIMATE.start_main_~k~5 141), 141585#(<= ULTIMATE.start_main_~k~5 142), 141590#(<= ULTIMATE.start_main_~k~5 147), 141591#(<= ULTIMATE.start_main_~k~5 148), 141588#(<= ULTIMATE.start_main_~k~5 145), 141589#(<= ULTIMATE.start_main_~k~5 146), 141594#(<= ULTIMATE.start_main_~k~5 151), 141595#(<= ULTIMATE.start_main_~k~5 152), 141592#(<= ULTIMATE.start_main_~k~5 149), 141593#(<= ULTIMATE.start_main_~k~5 150), 141598#(<= ULTIMATE.start_main_~k~5 155), 141599#(<= ULTIMATE.start_main_~k~5 156), 141596#(<= ULTIMATE.start_main_~k~5 153), 141597#(<= ULTIMATE.start_main_~k~5 154), 141602#(<= ULTIMATE.start_main_~k~5 159), 141603#(<= ULTIMATE.start_main_~k~5 160), 141600#(<= ULTIMATE.start_main_~k~5 157), 141601#(<= ULTIMATE.start_main_~k~5 158), 141606#(<= ULTIMATE.start_main_~k~5 163), 141607#(<= ULTIMATE.start_main_~k~5 164), 141604#(<= ULTIMATE.start_main_~k~5 161), 141605#(<= ULTIMATE.start_main_~k~5 162), 141610#(<= ULTIMATE.start_main_~k~5 167), 141611#(<= ULTIMATE.start_main_~k~5 168), 141608#(<= ULTIMATE.start_main_~k~5 165), 141609#(<= ULTIMATE.start_main_~k~5 166), 141614#(<= ULTIMATE.start_main_~k~5 171), 141615#(<= ULTIMATE.start_main_~k~5 172), 141612#(<= ULTIMATE.start_main_~k~5 169), 141613#(<= ULTIMATE.start_main_~k~5 170), 141618#(<= ULTIMATE.start_main_~k~5 175), 141619#(<= ULTIMATE.start_main_~k~5 176), 141616#(<= ULTIMATE.start_main_~k~5 173), 141617#(<= ULTIMATE.start_main_~k~5 174), 141622#(<= ULTIMATE.start_main_~k~5 179), 141623#(<= ULTIMATE.start_main_~k~5 180), 141620#(<= ULTIMATE.start_main_~k~5 177), 141621#(<= ULTIMATE.start_main_~k~5 178), 141626#(<= ULTIMATE.start_main_~k~5 183), 141627#(<= ULTIMATE.start_main_~k~5 184), 141624#(<= ULTIMATE.start_main_~k~5 181), 141625#(<= ULTIMATE.start_main_~k~5 182), 141630#(<= ULTIMATE.start_main_~k~5 187), 141631#(<= ULTIMATE.start_main_~k~5 188), 141628#(<= ULTIMATE.start_main_~k~5 185), 141629#(<= ULTIMATE.start_main_~k~5 186), 141634#(<= ULTIMATE.start_main_~k~5 191), 141635#(<= ULTIMATE.start_main_~k~5 192), 141632#(<= ULTIMATE.start_main_~k~5 189), 141633#(<= ULTIMATE.start_main_~k~5 190), 141638#(<= ULTIMATE.start_main_~k~5 195), 141639#(<= ULTIMATE.start_main_~k~5 196), 141636#(<= ULTIMATE.start_main_~k~5 193), 141637#(<= ULTIMATE.start_main_~k~5 194), 141642#(<= ULTIMATE.start_main_~k~5 199), 141643#(<= ULTIMATE.start_main_~k~5 200), 141640#(<= ULTIMATE.start_main_~k~5 197), 141641#(<= ULTIMATE.start_main_~k~5 198), 141646#(<= ULTIMATE.start_main_~k~5 203), 141647#(<= ULTIMATE.start_main_~k~5 204), 141644#(<= ULTIMATE.start_main_~k~5 201), 141645#(<= ULTIMATE.start_main_~k~5 202), 141650#(<= ULTIMATE.start_main_~k~5 207), 141651#(<= ULTIMATE.start_main_~k~5 208), 141648#(<= ULTIMATE.start_main_~k~5 205), 141649#(<= ULTIMATE.start_main_~k~5 206), 141654#(<= ULTIMATE.start_main_~k~5 211), 141655#(<= ULTIMATE.start_main_~k~5 212), 141652#(<= ULTIMATE.start_main_~k~5 209), 141653#(<= ULTIMATE.start_main_~k~5 210), 141658#(<= ULTIMATE.start_main_~k~5 215), 141659#(<= ULTIMATE.start_main_~k~5 216), 141656#(<= ULTIMATE.start_main_~k~5 213), 141657#(<= ULTIMATE.start_main_~k~5 214), 141662#(<= ULTIMATE.start_main_~k~5 219), 141663#(<= ULTIMATE.start_main_~k~5 220), 141660#(<= ULTIMATE.start_main_~k~5 217), 141661#(<= ULTIMATE.start_main_~k~5 218), 141666#(<= ULTIMATE.start_main_~k~5 223), 141667#(<= ULTIMATE.start_main_~k~5 224), 141664#(<= ULTIMATE.start_main_~k~5 221), 141665#(<= ULTIMATE.start_main_~k~5 222), 141670#(<= ULTIMATE.start_main_~k~5 227), 141671#(<= ULTIMATE.start_main_~k~5 228), 141668#(<= ULTIMATE.start_main_~k~5 225), 141669#(<= ULTIMATE.start_main_~k~5 226), 141674#(<= ULTIMATE.start_main_~k~5 231), 141675#(<= ULTIMATE.start_main_~k~5 232), 141672#(<= ULTIMATE.start_main_~k~5 229), 141673#(<= ULTIMATE.start_main_~k~5 230), 141676#(<= ULTIMATE.start_main_~k~5 233)] [2018-07-23 13:44:03,721 INFO L134 CoverageAnalysis]: Checked inductivity of 27261 backedges. 0 proven. 27261 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2018-07-23 13:44:03,721 INFO L450 AbstractCegarLoop]: Interpolant automaton has 236 states [2018-07-23 13:44:03,724 INFO L132 InterpolantAutomaton]: Constructing interpolant automaton starting with 236 interpolants. [2018-07-23 13:44:03,726 INFO L133 InterpolantAutomaton]: CoverageRelationStatistics Valid=27730, Invalid=27730, Unknown=0, NotChecked=0, Total=55460 [2018-07-23 13:44:03,726 INFO L87 Difference]: Start difference. First operand 237 states and 237 transitions. Second operand 236 states. [2018-07-23 13:44:04,906 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2018-07-23 13:44:04,906 INFO L93 Difference]: Finished difference Result 240 states and 240 transitions. [2018-07-23 13:44:04,907 INFO L142 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 236 states. [2018-07-23 13:44:04,907 INFO L78 Accepts]: Start accepts. Automaton has 236 states. Word has length 236 [2018-07-23 13:44:04,907 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2018-07-23 13:44:04,907 INFO L225 Difference]: With dead ends: 240 [2018-07-23 13:44:04,907 INFO L226 Difference]: Without dead ends: 238 [2018-07-23 13:44:04,910 INFO L575 BasicCegarLoop]: 0 DeclaredPredicates, 235 GetRequests, 1 SyntacticMatches, 0 SemanticMatches, 234 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 0 ImplicationChecksByTransitivity, 1.2s TimeCoverageRelationStatistics Valid=27730, Invalid=27730, Unknown=0, NotChecked=0, Total=55460 [2018-07-23 13:44:04,910 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 238 states. [2018-07-23 13:44:04,913 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 238 to 238. [2018-07-23 13:44:04,913 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 238 states. [2018-07-23 13:44:04,913 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 238 states to 238 states and 238 transitions. [2018-07-23 13:44:04,913 INFO L78 Accepts]: Start accepts. Automaton has 238 states and 238 transitions. Word has length 236 [2018-07-23 13:44:04,913 INFO L84 Accepts]: Finished accepts. word is rejected. [2018-07-23 13:44:04,913 INFO L471 AbstractCegarLoop]: Abstraction has 238 states and 238 transitions. [2018-07-23 13:44:04,913 INFO L472 AbstractCegarLoop]: Interpolant automaton has 236 states. [2018-07-23 13:44:04,914 INFO L276 IsEmpty]: Start isEmpty. Operand 238 states and 238 transitions. [2018-07-23 13:44:04,914 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 238 [2018-07-23 13:44:04,914 INFO L349 BasicCegarLoop]: Found error trace [2018-07-23 13:44:04,914 INFO L357 BasicCegarLoop]: trace histogram [234, 1, 1, 1] [2018-07-23 13:44:04,914 INFO L414 AbstractCegarLoop]: === Iteration 235 === [ULTIMATE.startErr0AssertViolationASSERT]=== [2018-07-23 13:44:04,914 INFO L82 PathProgramCache]: Analyzing trace with hash 1591564193, now seen corresponding path program 234 times [2018-07-23 13:44:04,915 INFO L69 tionRefinementEngine]: Using refinement strategy FixedRefinementStrategy [2018-07-23 13:44:05,099 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-07-23 13:44:06,411 INFO L134 CoverageAnalysis]: Checked inductivity of 27495 backedges. 0 proven. 27495 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2018-07-23 13:44:06,411 INFO L309 seRefinementStrategy]: Constructing automaton from 0 perfect and 1 imperfect interpolant sequences. [2018-07-23 13:44:06,411 INFO L324 seRefinementStrategy]: Number of different interpolants: perfect sequences [] imperfect sequences [236] total 236 [2018-07-23 13:44:06,411 INFO L142 lantAutomatonBuilder]: Constructing canonical interpolant automaton, with selfloop in false state [2018-07-23 13:44:06,411 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2018-07-23 13:44:06,412 INFO L185 omatonBuilderFactory]: Interpolants [142850#(<= ULTIMATE.start_main_~k~5 215), 142851#(<= ULTIMATE.start_main_~k~5 216), 142848#(<= ULTIMATE.start_main_~k~5 213), 142849#(<= ULTIMATE.start_main_~k~5 214), 142854#(<= ULTIMATE.start_main_~k~5 219), 142855#(<= ULTIMATE.start_main_~k~5 220), 142852#(<= ULTIMATE.start_main_~k~5 217), 142853#(<= ULTIMATE.start_main_~k~5 218), 142858#(<= ULTIMATE.start_main_~k~5 223), 142859#(<= ULTIMATE.start_main_~k~5 224), 142856#(<= ULTIMATE.start_main_~k~5 221), 142857#(<= ULTIMATE.start_main_~k~5 222), 142862#(<= ULTIMATE.start_main_~k~5 227), 142863#(<= ULTIMATE.start_main_~k~5 228), 142860#(<= ULTIMATE.start_main_~k~5 225), 142861#(<= ULTIMATE.start_main_~k~5 226), 142866#(<= ULTIMATE.start_main_~k~5 231), 142867#(<= ULTIMATE.start_main_~k~5 232), 142864#(<= ULTIMATE.start_main_~k~5 229), 142865#(<= ULTIMATE.start_main_~k~5 230), 142868#(<= ULTIMATE.start_main_~k~5 233), 142869#(<= ULTIMATE.start_main_~k~5 234), 142634#false, 142635#(<= ULTIMATE.start_main_~k~5 0), 142633#true, 142638#(<= ULTIMATE.start_main_~k~5 3), 142639#(<= ULTIMATE.start_main_~k~5 4), 142636#(<= ULTIMATE.start_main_~k~5 1), 142637#(<= ULTIMATE.start_main_~k~5 2), 142642#(<= ULTIMATE.start_main_~k~5 7), 142643#(<= ULTIMATE.start_main_~k~5 8), 142640#(<= ULTIMATE.start_main_~k~5 5), 142641#(<= ULTIMATE.start_main_~k~5 6), 142646#(<= ULTIMATE.start_main_~k~5 11), 142647#(<= ULTIMATE.start_main_~k~5 12), 142644#(<= ULTIMATE.start_main_~k~5 9), 142645#(<= ULTIMATE.start_main_~k~5 10), 142650#(<= ULTIMATE.start_main_~k~5 15), 142651#(<= ULTIMATE.start_main_~k~5 16), 142648#(<= ULTIMATE.start_main_~k~5 13), 142649#(<= ULTIMATE.start_main_~k~5 14), 142654#(<= ULTIMATE.start_main_~k~5 19), 142655#(<= ULTIMATE.start_main_~k~5 20), 142652#(<= ULTIMATE.start_main_~k~5 17), 142653#(<= ULTIMATE.start_main_~k~5 18), 142658#(<= ULTIMATE.start_main_~k~5 23), 142659#(<= ULTIMATE.start_main_~k~5 24), 142656#(<= ULTIMATE.start_main_~k~5 21), 142657#(<= ULTIMATE.start_main_~k~5 22), 142662#(<= ULTIMATE.start_main_~k~5 27), 142663#(<= ULTIMATE.start_main_~k~5 28), 142660#(<= ULTIMATE.start_main_~k~5 25), 142661#(<= ULTIMATE.start_main_~k~5 26), 142666#(<= ULTIMATE.start_main_~k~5 31), 142667#(<= ULTIMATE.start_main_~k~5 32), 142664#(<= ULTIMATE.start_main_~k~5 29), 142665#(<= ULTIMATE.start_main_~k~5 30), 142670#(<= ULTIMATE.start_main_~k~5 35), 142671#(<= ULTIMATE.start_main_~k~5 36), 142668#(<= ULTIMATE.start_main_~k~5 33), 142669#(<= ULTIMATE.start_main_~k~5 34), 142674#(<= ULTIMATE.start_main_~k~5 39), 142675#(<= ULTIMATE.start_main_~k~5 40), 142672#(<= ULTIMATE.start_main_~k~5 37), 142673#(<= ULTIMATE.start_main_~k~5 38), 142678#(<= ULTIMATE.start_main_~k~5 43), 142679#(<= ULTIMATE.start_main_~k~5 44), 142676#(<= ULTIMATE.start_main_~k~5 41), 142677#(<= ULTIMATE.start_main_~k~5 42), 142682#(<= ULTIMATE.start_main_~k~5 47), 142683#(<= ULTIMATE.start_main_~k~5 48), 142680#(<= ULTIMATE.start_main_~k~5 45), 142681#(<= ULTIMATE.start_main_~k~5 46), 142686#(<= ULTIMATE.start_main_~k~5 51), 142687#(<= ULTIMATE.start_main_~k~5 52), 142684#(<= ULTIMATE.start_main_~k~5 49), 142685#(<= ULTIMATE.start_main_~k~5 50), 142690#(<= ULTIMATE.start_main_~k~5 55), 142691#(<= ULTIMATE.start_main_~k~5 56), 142688#(<= ULTIMATE.start_main_~k~5 53), 142689#(<= ULTIMATE.start_main_~k~5 54), 142694#(<= ULTIMATE.start_main_~k~5 59), 142695#(<= ULTIMATE.start_main_~k~5 60), 142692#(<= ULTIMATE.start_main_~k~5 57), 142693#(<= ULTIMATE.start_main_~k~5 58), 142698#(<= ULTIMATE.start_main_~k~5 63), 142699#(<= ULTIMATE.start_main_~k~5 64), 142696#(<= ULTIMATE.start_main_~k~5 61), 142697#(<= ULTIMATE.start_main_~k~5 62), 142702#(<= ULTIMATE.start_main_~k~5 67), 142703#(<= ULTIMATE.start_main_~k~5 68), 142700#(<= ULTIMATE.start_main_~k~5 65), 142701#(<= ULTIMATE.start_main_~k~5 66), 142706#(<= ULTIMATE.start_main_~k~5 71), 142707#(<= ULTIMATE.start_main_~k~5 72), 142704#(<= ULTIMATE.start_main_~k~5 69), 142705#(<= ULTIMATE.start_main_~k~5 70), 142710#(<= ULTIMATE.start_main_~k~5 75), 142711#(<= ULTIMATE.start_main_~k~5 76), 142708#(<= ULTIMATE.start_main_~k~5 73), 142709#(<= ULTIMATE.start_main_~k~5 74), 142714#(<= ULTIMATE.start_main_~k~5 79), 142715#(<= ULTIMATE.start_main_~k~5 80), 142712#(<= ULTIMATE.start_main_~k~5 77), 142713#(<= ULTIMATE.start_main_~k~5 78), 142718#(<= ULTIMATE.start_main_~k~5 83), 142719#(<= ULTIMATE.start_main_~k~5 84), 142716#(<= ULTIMATE.start_main_~k~5 81), 142717#(<= ULTIMATE.start_main_~k~5 82), 142722#(<= ULTIMATE.start_main_~k~5 87), 142723#(<= ULTIMATE.start_main_~k~5 88), 142720#(<= ULTIMATE.start_main_~k~5 85), 142721#(<= ULTIMATE.start_main_~k~5 86), 142726#(<= ULTIMATE.start_main_~k~5 91), 142727#(<= ULTIMATE.start_main_~k~5 92), 142724#(<= ULTIMATE.start_main_~k~5 89), 142725#(<= ULTIMATE.start_main_~k~5 90), 142730#(<= ULTIMATE.start_main_~k~5 95), 142731#(<= ULTIMATE.start_main_~k~5 96), 142728#(<= ULTIMATE.start_main_~k~5 93), 142729#(<= ULTIMATE.start_main_~k~5 94), 142734#(<= ULTIMATE.start_main_~k~5 99), 142735#(<= ULTIMATE.start_main_~k~5 100), 142732#(<= ULTIMATE.start_main_~k~5 97), 142733#(<= ULTIMATE.start_main_~k~5 98), 142738#(<= ULTIMATE.start_main_~k~5 103), 142739#(<= ULTIMATE.start_main_~k~5 104), 142736#(<= ULTIMATE.start_main_~k~5 101), 142737#(<= ULTIMATE.start_main_~k~5 102), 142742#(<= ULTIMATE.start_main_~k~5 107), 142743#(<= ULTIMATE.start_main_~k~5 108), 142740#(<= ULTIMATE.start_main_~k~5 105), 142741#(<= ULTIMATE.start_main_~k~5 106), 142746#(<= ULTIMATE.start_main_~k~5 111), 142747#(<= ULTIMATE.start_main_~k~5 112), 142744#(<= ULTIMATE.start_main_~k~5 109), 142745#(<= ULTIMATE.start_main_~k~5 110), 142750#(<= ULTIMATE.start_main_~k~5 115), 142751#(<= ULTIMATE.start_main_~k~5 116), 142748#(<= ULTIMATE.start_main_~k~5 113), 142749#(<= ULTIMATE.start_main_~k~5 114), 142754#(<= ULTIMATE.start_main_~k~5 119), 142755#(<= ULTIMATE.start_main_~k~5 120), 142752#(<= ULTIMATE.start_main_~k~5 117), 142753#(<= ULTIMATE.start_main_~k~5 118), 142758#(<= ULTIMATE.start_main_~k~5 123), 142759#(<= ULTIMATE.start_main_~k~5 124), 142756#(<= ULTIMATE.start_main_~k~5 121), 142757#(<= ULTIMATE.start_main_~k~5 122), 142762#(<= ULTIMATE.start_main_~k~5 127), 142763#(<= ULTIMATE.start_main_~k~5 128), 142760#(<= ULTIMATE.start_main_~k~5 125), 142761#(<= ULTIMATE.start_main_~k~5 126), 142766#(<= ULTIMATE.start_main_~k~5 131), 142767#(<= ULTIMATE.start_main_~k~5 132), 142764#(<= ULTIMATE.start_main_~k~5 129), 142765#(<= ULTIMATE.start_main_~k~5 130), 142770#(<= ULTIMATE.start_main_~k~5 135), 142771#(<= ULTIMATE.start_main_~k~5 136), 142768#(<= ULTIMATE.start_main_~k~5 133), 142769#(<= ULTIMATE.start_main_~k~5 134), 142774#(<= ULTIMATE.start_main_~k~5 139), 142775#(<= ULTIMATE.start_main_~k~5 140), 142772#(<= ULTIMATE.start_main_~k~5 137), 142773#(<= ULTIMATE.start_main_~k~5 138), 142778#(<= ULTIMATE.start_main_~k~5 143), 142779#(<= ULTIMATE.start_main_~k~5 144), 142776#(<= ULTIMATE.start_main_~k~5 141), 142777#(<= ULTIMATE.start_main_~k~5 142), 142782#(<= ULTIMATE.start_main_~k~5 147), 142783#(<= ULTIMATE.start_main_~k~5 148), 142780#(<= ULTIMATE.start_main_~k~5 145), 142781#(<= ULTIMATE.start_main_~k~5 146), 142786#(<= ULTIMATE.start_main_~k~5 151), 142787#(<= ULTIMATE.start_main_~k~5 152), 142784#(<= ULTIMATE.start_main_~k~5 149), 142785#(<= ULTIMATE.start_main_~k~5 150), 142790#(<= ULTIMATE.start_main_~k~5 155), 142791#(<= ULTIMATE.start_main_~k~5 156), 142788#(<= ULTIMATE.start_main_~k~5 153), 142789#(<= ULTIMATE.start_main_~k~5 154), 142794#(<= ULTIMATE.start_main_~k~5 159), 142795#(<= ULTIMATE.start_main_~k~5 160), 142792#(<= ULTIMATE.start_main_~k~5 157), 142793#(<= ULTIMATE.start_main_~k~5 158), 142798#(<= ULTIMATE.start_main_~k~5 163), 142799#(<= ULTIMATE.start_main_~k~5 164), 142796#(<= ULTIMATE.start_main_~k~5 161), 142797#(<= ULTIMATE.start_main_~k~5 162), 142802#(<= ULTIMATE.start_main_~k~5 167), 142803#(<= ULTIMATE.start_main_~k~5 168), 142800#(<= ULTIMATE.start_main_~k~5 165), 142801#(<= ULTIMATE.start_main_~k~5 166), 142806#(<= ULTIMATE.start_main_~k~5 171), 142807#(<= ULTIMATE.start_main_~k~5 172), 142804#(<= ULTIMATE.start_main_~k~5 169), 142805#(<= ULTIMATE.start_main_~k~5 170), 142810#(<= ULTIMATE.start_main_~k~5 175), 142811#(<= ULTIMATE.start_main_~k~5 176), 142808#(<= ULTIMATE.start_main_~k~5 173), 142809#(<= ULTIMATE.start_main_~k~5 174), 142814#(<= ULTIMATE.start_main_~k~5 179), 142815#(<= ULTIMATE.start_main_~k~5 180), 142812#(<= ULTIMATE.start_main_~k~5 177), 142813#(<= ULTIMATE.start_main_~k~5 178), 142818#(<= ULTIMATE.start_main_~k~5 183), 142819#(<= ULTIMATE.start_main_~k~5 184), 142816#(<= ULTIMATE.start_main_~k~5 181), 142817#(<= ULTIMATE.start_main_~k~5 182), 142822#(<= ULTIMATE.start_main_~k~5 187), 142823#(<= ULTIMATE.start_main_~k~5 188), 142820#(<= ULTIMATE.start_main_~k~5 185), 142821#(<= ULTIMATE.start_main_~k~5 186), 142826#(<= ULTIMATE.start_main_~k~5 191), 142827#(<= ULTIMATE.start_main_~k~5 192), 142824#(<= ULTIMATE.start_main_~k~5 189), 142825#(<= ULTIMATE.start_main_~k~5 190), 142830#(<= ULTIMATE.start_main_~k~5 195), 142831#(<= ULTIMATE.start_main_~k~5 196), 142828#(<= ULTIMATE.start_main_~k~5 193), 142829#(<= ULTIMATE.start_main_~k~5 194), 142834#(<= ULTIMATE.start_main_~k~5 199), 142835#(<= ULTIMATE.start_main_~k~5 200), 142832#(<= ULTIMATE.start_main_~k~5 197), 142833#(<= ULTIMATE.start_main_~k~5 198), 142838#(<= ULTIMATE.start_main_~k~5 203), 142839#(<= ULTIMATE.start_main_~k~5 204), 142836#(<= ULTIMATE.start_main_~k~5 201), 142837#(<= ULTIMATE.start_main_~k~5 202), 142842#(<= ULTIMATE.start_main_~k~5 207), 142843#(<= ULTIMATE.start_main_~k~5 208), 142840#(<= ULTIMATE.start_main_~k~5 205), 142841#(<= ULTIMATE.start_main_~k~5 206), 142846#(<= ULTIMATE.start_main_~k~5 211), 142847#(<= ULTIMATE.start_main_~k~5 212), 142844#(<= ULTIMATE.start_main_~k~5 209), 142845#(<= ULTIMATE.start_main_~k~5 210)] [2018-07-23 13:44:06,413 INFO L134 CoverageAnalysis]: Checked inductivity of 27495 backedges. 0 proven. 27495 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2018-07-23 13:44:06,413 INFO L450 AbstractCegarLoop]: Interpolant automaton has 237 states [2018-07-23 13:44:06,417 INFO L132 InterpolantAutomaton]: Constructing interpolant automaton starting with 237 interpolants. [2018-07-23 13:44:06,419 INFO L133 InterpolantAutomaton]: CoverageRelationStatistics Valid=27966, Invalid=27966, Unknown=0, NotChecked=0, Total=55932 [2018-07-23 13:44:06,419 INFO L87 Difference]: Start difference. First operand 238 states and 238 transitions. Second operand 237 states. [2018-07-23 13:44:07,843 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2018-07-23 13:44:07,843 INFO L93 Difference]: Finished difference Result 241 states and 241 transitions. [2018-07-23 13:44:07,843 INFO L142 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 237 states. [2018-07-23 13:44:07,843 INFO L78 Accepts]: Start accepts. Automaton has 237 states. Word has length 237 [2018-07-23 13:44:07,843 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2018-07-23 13:44:07,843 INFO L225 Difference]: With dead ends: 241 [2018-07-23 13:44:07,844 INFO L226 Difference]: Without dead ends: 239 [2018-07-23 13:44:07,846 INFO L575 BasicCegarLoop]: 0 DeclaredPredicates, 236 GetRequests, 1 SyntacticMatches, 0 SemanticMatches, 235 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 0 ImplicationChecksByTransitivity, 1.1s TimeCoverageRelationStatistics Valid=27966, Invalid=27966, Unknown=0, NotChecked=0, Total=55932 [2018-07-23 13:44:07,846 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 239 states. [2018-07-23 13:44:07,848 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 239 to 239. [2018-07-23 13:44:07,848 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 239 states. [2018-07-23 13:44:07,849 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 239 states to 239 states and 239 transitions. [2018-07-23 13:44:07,849 INFO L78 Accepts]: Start accepts. Automaton has 239 states and 239 transitions. Word has length 237 [2018-07-23 13:44:07,849 INFO L84 Accepts]: Finished accepts. word is rejected. [2018-07-23 13:44:07,849 INFO L471 AbstractCegarLoop]: Abstraction has 239 states and 239 transitions. [2018-07-23 13:44:07,849 INFO L472 AbstractCegarLoop]: Interpolant automaton has 237 states. [2018-07-23 13:44:07,849 INFO L276 IsEmpty]: Start isEmpty. Operand 239 states and 239 transitions. [2018-07-23 13:44:07,850 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 239 [2018-07-23 13:44:07,850 INFO L349 BasicCegarLoop]: Found error trace [2018-07-23 13:44:07,850 INFO L357 BasicCegarLoop]: trace histogram [235, 1, 1, 1] [2018-07-23 13:44:07,850 INFO L414 AbstractCegarLoop]: === Iteration 236 === [ULTIMATE.startErr0AssertViolationASSERT]=== [2018-07-23 13:44:07,850 INFO L82 PathProgramCache]: Analyzing trace with hash 2093847752, now seen corresponding path program 235 times [2018-07-23 13:44:07,850 INFO L69 tionRefinementEngine]: Using refinement strategy FixedRefinementStrategy [2018-07-23 13:44:07,985 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-07-23 13:44:09,352 INFO L134 CoverageAnalysis]: Checked inductivity of 27730 backedges. 0 proven. 27730 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2018-07-23 13:44:09,352 INFO L309 seRefinementStrategy]: Constructing automaton from 0 perfect and 1 imperfect interpolant sequences. [2018-07-23 13:44:09,352 INFO L324 seRefinementStrategy]: Number of different interpolants: perfect sequences [] imperfect sequences [237] total 237 [2018-07-23 13:44:09,352 INFO L142 lantAutomatonBuilder]: Constructing canonical interpolant automaton, with selfloop in false state [2018-07-23 13:44:09,353 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2018-07-23 13:44:09,353 INFO L185 omatonBuilderFactory]: Interpolants [143874#(<= ULTIMATE.start_main_~k~5 42), 143875#(<= ULTIMATE.start_main_~k~5 43), 143872#(<= ULTIMATE.start_main_~k~5 40), 143873#(<= ULTIMATE.start_main_~k~5 41), 143878#(<= ULTIMATE.start_main_~k~5 46), 143879#(<= ULTIMATE.start_main_~k~5 47), 143876#(<= ULTIMATE.start_main_~k~5 44), 143877#(<= ULTIMATE.start_main_~k~5 45), 143882#(<= ULTIMATE.start_main_~k~5 50), 143883#(<= ULTIMATE.start_main_~k~5 51), 143880#(<= ULTIMATE.start_main_~k~5 48), 143881#(<= ULTIMATE.start_main_~k~5 49), 143886#(<= ULTIMATE.start_main_~k~5 54), 143887#(<= ULTIMATE.start_main_~k~5 55), 143884#(<= ULTIMATE.start_main_~k~5 52), 143885#(<= ULTIMATE.start_main_~k~5 53), 143890#(<= ULTIMATE.start_main_~k~5 58), 143891#(<= ULTIMATE.start_main_~k~5 59), 143888#(<= ULTIMATE.start_main_~k~5 56), 143889#(<= ULTIMATE.start_main_~k~5 57), 143894#(<= ULTIMATE.start_main_~k~5 62), 143895#(<= ULTIMATE.start_main_~k~5 63), 143892#(<= ULTIMATE.start_main_~k~5 60), 143893#(<= ULTIMATE.start_main_~k~5 61), 143898#(<= ULTIMATE.start_main_~k~5 66), 143899#(<= ULTIMATE.start_main_~k~5 67), 143896#(<= ULTIMATE.start_main_~k~5 64), 143897#(<= ULTIMATE.start_main_~k~5 65), 143902#(<= ULTIMATE.start_main_~k~5 70), 143903#(<= ULTIMATE.start_main_~k~5 71), 143900#(<= ULTIMATE.start_main_~k~5 68), 143901#(<= ULTIMATE.start_main_~k~5 69), 143906#(<= ULTIMATE.start_main_~k~5 74), 143907#(<= ULTIMATE.start_main_~k~5 75), 143904#(<= ULTIMATE.start_main_~k~5 72), 143905#(<= ULTIMATE.start_main_~k~5 73), 143910#(<= ULTIMATE.start_main_~k~5 78), 143911#(<= ULTIMATE.start_main_~k~5 79), 143908#(<= ULTIMATE.start_main_~k~5 76), 143909#(<= ULTIMATE.start_main_~k~5 77), 143914#(<= ULTIMATE.start_main_~k~5 82), 143915#(<= ULTIMATE.start_main_~k~5 83), 143912#(<= ULTIMATE.start_main_~k~5 80), 143913#(<= ULTIMATE.start_main_~k~5 81), 143918#(<= ULTIMATE.start_main_~k~5 86), 143919#(<= ULTIMATE.start_main_~k~5 87), 143916#(<= ULTIMATE.start_main_~k~5 84), 143917#(<= ULTIMATE.start_main_~k~5 85), 143922#(<= ULTIMATE.start_main_~k~5 90), 143923#(<= ULTIMATE.start_main_~k~5 91), 143920#(<= ULTIMATE.start_main_~k~5 88), 143921#(<= ULTIMATE.start_main_~k~5 89), 143926#(<= ULTIMATE.start_main_~k~5 94), 143927#(<= ULTIMATE.start_main_~k~5 95), 143924#(<= ULTIMATE.start_main_~k~5 92), 143925#(<= ULTIMATE.start_main_~k~5 93), 143930#(<= ULTIMATE.start_main_~k~5 98), 143931#(<= ULTIMATE.start_main_~k~5 99), 143928#(<= ULTIMATE.start_main_~k~5 96), 143929#(<= ULTIMATE.start_main_~k~5 97), 143934#(<= ULTIMATE.start_main_~k~5 102), 143935#(<= ULTIMATE.start_main_~k~5 103), 143932#(<= ULTIMATE.start_main_~k~5 100), 143933#(<= ULTIMATE.start_main_~k~5 101), 143938#(<= ULTIMATE.start_main_~k~5 106), 143939#(<= ULTIMATE.start_main_~k~5 107), 143936#(<= ULTIMATE.start_main_~k~5 104), 143937#(<= ULTIMATE.start_main_~k~5 105), 143942#(<= ULTIMATE.start_main_~k~5 110), 143943#(<= ULTIMATE.start_main_~k~5 111), 143940#(<= ULTIMATE.start_main_~k~5 108), 143941#(<= ULTIMATE.start_main_~k~5 109), 143946#(<= ULTIMATE.start_main_~k~5 114), 143947#(<= ULTIMATE.start_main_~k~5 115), 143944#(<= ULTIMATE.start_main_~k~5 112), 143945#(<= ULTIMATE.start_main_~k~5 113), 143950#(<= ULTIMATE.start_main_~k~5 118), 143951#(<= ULTIMATE.start_main_~k~5 119), 143948#(<= ULTIMATE.start_main_~k~5 116), 143949#(<= ULTIMATE.start_main_~k~5 117), 143954#(<= ULTIMATE.start_main_~k~5 122), 143955#(<= ULTIMATE.start_main_~k~5 123), 143952#(<= ULTIMATE.start_main_~k~5 120), 143953#(<= ULTIMATE.start_main_~k~5 121), 143958#(<= ULTIMATE.start_main_~k~5 126), 143959#(<= ULTIMATE.start_main_~k~5 127), 143956#(<= ULTIMATE.start_main_~k~5 124), 143957#(<= ULTIMATE.start_main_~k~5 125), 143962#(<= ULTIMATE.start_main_~k~5 130), 143963#(<= ULTIMATE.start_main_~k~5 131), 143960#(<= ULTIMATE.start_main_~k~5 128), 143961#(<= ULTIMATE.start_main_~k~5 129), 143966#(<= ULTIMATE.start_main_~k~5 134), 143967#(<= ULTIMATE.start_main_~k~5 135), 143964#(<= ULTIMATE.start_main_~k~5 132), 143965#(<= ULTIMATE.start_main_~k~5 133), 143970#(<= ULTIMATE.start_main_~k~5 138), 143971#(<= ULTIMATE.start_main_~k~5 139), 143968#(<= ULTIMATE.start_main_~k~5 136), 143969#(<= ULTIMATE.start_main_~k~5 137), 143974#(<= ULTIMATE.start_main_~k~5 142), 143975#(<= ULTIMATE.start_main_~k~5 143), 143972#(<= ULTIMATE.start_main_~k~5 140), 143973#(<= ULTIMATE.start_main_~k~5 141), 143978#(<= ULTIMATE.start_main_~k~5 146), 143979#(<= ULTIMATE.start_main_~k~5 147), 143976#(<= ULTIMATE.start_main_~k~5 144), 143977#(<= ULTIMATE.start_main_~k~5 145), 143982#(<= ULTIMATE.start_main_~k~5 150), 143983#(<= ULTIMATE.start_main_~k~5 151), 143980#(<= ULTIMATE.start_main_~k~5 148), 143981#(<= ULTIMATE.start_main_~k~5 149), 143986#(<= ULTIMATE.start_main_~k~5 154), 143987#(<= ULTIMATE.start_main_~k~5 155), 143984#(<= ULTIMATE.start_main_~k~5 152), 143985#(<= ULTIMATE.start_main_~k~5 153), 143990#(<= ULTIMATE.start_main_~k~5 158), 143991#(<= ULTIMATE.start_main_~k~5 159), 143988#(<= ULTIMATE.start_main_~k~5 156), 143989#(<= ULTIMATE.start_main_~k~5 157), 143994#(<= ULTIMATE.start_main_~k~5 162), 143995#(<= ULTIMATE.start_main_~k~5 163), 143992#(<= ULTIMATE.start_main_~k~5 160), 143993#(<= ULTIMATE.start_main_~k~5 161), 143998#(<= ULTIMATE.start_main_~k~5 166), 143999#(<= ULTIMATE.start_main_~k~5 167), 143996#(<= ULTIMATE.start_main_~k~5 164), 143997#(<= ULTIMATE.start_main_~k~5 165), 144002#(<= ULTIMATE.start_main_~k~5 170), 144003#(<= ULTIMATE.start_main_~k~5 171), 144000#(<= ULTIMATE.start_main_~k~5 168), 144001#(<= ULTIMATE.start_main_~k~5 169), 144006#(<= ULTIMATE.start_main_~k~5 174), 144007#(<= ULTIMATE.start_main_~k~5 175), 144004#(<= ULTIMATE.start_main_~k~5 172), 144005#(<= ULTIMATE.start_main_~k~5 173), 144010#(<= ULTIMATE.start_main_~k~5 178), 144011#(<= ULTIMATE.start_main_~k~5 179), 144008#(<= ULTIMATE.start_main_~k~5 176), 144009#(<= ULTIMATE.start_main_~k~5 177), 144014#(<= ULTIMATE.start_main_~k~5 182), 144015#(<= ULTIMATE.start_main_~k~5 183), 144012#(<= ULTIMATE.start_main_~k~5 180), 144013#(<= ULTIMATE.start_main_~k~5 181), 144018#(<= ULTIMATE.start_main_~k~5 186), 144019#(<= ULTIMATE.start_main_~k~5 187), 144016#(<= ULTIMATE.start_main_~k~5 184), 144017#(<= ULTIMATE.start_main_~k~5 185), 144022#(<= ULTIMATE.start_main_~k~5 190), 144023#(<= ULTIMATE.start_main_~k~5 191), 144020#(<= ULTIMATE.start_main_~k~5 188), 144021#(<= ULTIMATE.start_main_~k~5 189), 144026#(<= ULTIMATE.start_main_~k~5 194), 144027#(<= ULTIMATE.start_main_~k~5 195), 144024#(<= ULTIMATE.start_main_~k~5 192), 144025#(<= ULTIMATE.start_main_~k~5 193), 144030#(<= ULTIMATE.start_main_~k~5 198), 144031#(<= ULTIMATE.start_main_~k~5 199), 144028#(<= ULTIMATE.start_main_~k~5 196), 144029#(<= ULTIMATE.start_main_~k~5 197), 144034#(<= ULTIMATE.start_main_~k~5 202), 144035#(<= ULTIMATE.start_main_~k~5 203), 144032#(<= ULTIMATE.start_main_~k~5 200), 144033#(<= ULTIMATE.start_main_~k~5 201), 144038#(<= ULTIMATE.start_main_~k~5 206), 144039#(<= ULTIMATE.start_main_~k~5 207), 144036#(<= ULTIMATE.start_main_~k~5 204), 144037#(<= ULTIMATE.start_main_~k~5 205), 144042#(<= ULTIMATE.start_main_~k~5 210), 144043#(<= ULTIMATE.start_main_~k~5 211), 144040#(<= ULTIMATE.start_main_~k~5 208), 144041#(<= ULTIMATE.start_main_~k~5 209), 144046#(<= ULTIMATE.start_main_~k~5 214), 144047#(<= ULTIMATE.start_main_~k~5 215), 144044#(<= ULTIMATE.start_main_~k~5 212), 144045#(<= ULTIMATE.start_main_~k~5 213), 144050#(<= ULTIMATE.start_main_~k~5 218), 144051#(<= ULTIMATE.start_main_~k~5 219), 144048#(<= ULTIMATE.start_main_~k~5 216), 144049#(<= ULTIMATE.start_main_~k~5 217), 144054#(<= ULTIMATE.start_main_~k~5 222), 144055#(<= ULTIMATE.start_main_~k~5 223), 144052#(<= ULTIMATE.start_main_~k~5 220), 144053#(<= ULTIMATE.start_main_~k~5 221), 144058#(<= ULTIMATE.start_main_~k~5 226), 144059#(<= ULTIMATE.start_main_~k~5 227), 144056#(<= ULTIMATE.start_main_~k~5 224), 144057#(<= ULTIMATE.start_main_~k~5 225), 144062#(<= ULTIMATE.start_main_~k~5 230), 144063#(<= ULTIMATE.start_main_~k~5 231), 144060#(<= ULTIMATE.start_main_~k~5 228), 144061#(<= ULTIMATE.start_main_~k~5 229), 144066#(<= ULTIMATE.start_main_~k~5 234), 144067#(<= ULTIMATE.start_main_~k~5 235), 144064#(<= ULTIMATE.start_main_~k~5 232), 144065#(<= ULTIMATE.start_main_~k~5 233), 143830#true, 143831#false, 143834#(<= ULTIMATE.start_main_~k~5 2), 143835#(<= ULTIMATE.start_main_~k~5 3), 143832#(<= ULTIMATE.start_main_~k~5 0), 143833#(<= ULTIMATE.start_main_~k~5 1), 143838#(<= ULTIMATE.start_main_~k~5 6), 143839#(<= ULTIMATE.start_main_~k~5 7), 143836#(<= ULTIMATE.start_main_~k~5 4), 143837#(<= ULTIMATE.start_main_~k~5 5), 143842#(<= ULTIMATE.start_main_~k~5 10), 143843#(<= ULTIMATE.start_main_~k~5 11), 143840#(<= ULTIMATE.start_main_~k~5 8), 143841#(<= ULTIMATE.start_main_~k~5 9), 143846#(<= ULTIMATE.start_main_~k~5 14), 143847#(<= ULTIMATE.start_main_~k~5 15), 143844#(<= ULTIMATE.start_main_~k~5 12), 143845#(<= ULTIMATE.start_main_~k~5 13), 143850#(<= ULTIMATE.start_main_~k~5 18), 143851#(<= ULTIMATE.start_main_~k~5 19), 143848#(<= ULTIMATE.start_main_~k~5 16), 143849#(<= ULTIMATE.start_main_~k~5 17), 143854#(<= ULTIMATE.start_main_~k~5 22), 143855#(<= ULTIMATE.start_main_~k~5 23), 143852#(<= ULTIMATE.start_main_~k~5 20), 143853#(<= ULTIMATE.start_main_~k~5 21), 143858#(<= ULTIMATE.start_main_~k~5 26), 143859#(<= ULTIMATE.start_main_~k~5 27), 143856#(<= ULTIMATE.start_main_~k~5 24), 143857#(<= ULTIMATE.start_main_~k~5 25), 143862#(<= ULTIMATE.start_main_~k~5 30), 143863#(<= ULTIMATE.start_main_~k~5 31), 143860#(<= ULTIMATE.start_main_~k~5 28), 143861#(<= ULTIMATE.start_main_~k~5 29), 143866#(<= ULTIMATE.start_main_~k~5 34), 143867#(<= ULTIMATE.start_main_~k~5 35), 143864#(<= ULTIMATE.start_main_~k~5 32), 143865#(<= ULTIMATE.start_main_~k~5 33), 143870#(<= ULTIMATE.start_main_~k~5 38), 143871#(<= ULTIMATE.start_main_~k~5 39), 143868#(<= ULTIMATE.start_main_~k~5 36), 143869#(<= ULTIMATE.start_main_~k~5 37)] [2018-07-23 13:44:09,355 INFO L134 CoverageAnalysis]: Checked inductivity of 27730 backedges. 0 proven. 27730 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2018-07-23 13:44:09,355 INFO L450 AbstractCegarLoop]: Interpolant automaton has 238 states [2018-07-23 13:44:09,359 INFO L132 InterpolantAutomaton]: Constructing interpolant automaton starting with 238 interpolants. [2018-07-23 13:44:09,362 INFO L133 InterpolantAutomaton]: CoverageRelationStatistics Valid=28203, Invalid=28203, Unknown=0, NotChecked=0, Total=56406 [2018-07-23 13:44:09,362 INFO L87 Difference]: Start difference. First operand 239 states and 239 transitions. Second operand 238 states. [2018-07-23 13:44:10,643 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2018-07-23 13:44:10,643 INFO L93 Difference]: Finished difference Result 242 states and 242 transitions. [2018-07-23 13:44:10,643 INFO L142 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 238 states. [2018-07-23 13:44:10,643 INFO L78 Accepts]: Start accepts. Automaton has 238 states. Word has length 238 [2018-07-23 13:44:10,644 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2018-07-23 13:44:10,644 INFO L225 Difference]: With dead ends: 242 [2018-07-23 13:44:10,644 INFO L226 Difference]: Without dead ends: 240 [2018-07-23 13:44:10,645 INFO L575 BasicCegarLoop]: 0 DeclaredPredicates, 237 GetRequests, 1 SyntacticMatches, 0 SemanticMatches, 236 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 0 ImplicationChecksByTransitivity, 1.2s TimeCoverageRelationStatistics Valid=28203, Invalid=28203, Unknown=0, NotChecked=0, Total=56406 [2018-07-23 13:44:10,645 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 240 states. [2018-07-23 13:44:10,647 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 240 to 240. [2018-07-23 13:44:10,647 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 240 states. [2018-07-23 13:44:10,647 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 240 states to 240 states and 240 transitions. [2018-07-23 13:44:10,648 INFO L78 Accepts]: Start accepts. Automaton has 240 states and 240 transitions. Word has length 238 [2018-07-23 13:44:10,648 INFO L84 Accepts]: Finished accepts. word is rejected. [2018-07-23 13:44:10,648 INFO L471 AbstractCegarLoop]: Abstraction has 240 states and 240 transitions. [2018-07-23 13:44:10,648 INFO L472 AbstractCegarLoop]: Interpolant automaton has 238 states. [2018-07-23 13:44:10,648 INFO L276 IsEmpty]: Start isEmpty. Operand 240 states and 240 transitions. [2018-07-23 13:44:10,648 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 240 [2018-07-23 13:44:10,648 INFO L349 BasicCegarLoop]: Found error trace [2018-07-23 13:44:10,649 INFO L357 BasicCegarLoop]: trace histogram [236, 1, 1, 1] [2018-07-23 13:44:10,649 INFO L414 AbstractCegarLoop]: === Iteration 237 === [ULTIMATE.startErr0AssertViolationASSERT]=== [2018-07-23 13:44:10,649 INFO L82 PathProgramCache]: Analyzing trace with hash 484768897, now seen corresponding path program 236 times [2018-07-23 13:44:10,649 INFO L69 tionRefinementEngine]: Using refinement strategy FixedRefinementStrategy [2018-07-23 13:44:10,798 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-07-23 13:44:12,151 INFO L134 CoverageAnalysis]: Checked inductivity of 27966 backedges. 0 proven. 27966 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2018-07-23 13:44:12,152 INFO L309 seRefinementStrategy]: Constructing automaton from 0 perfect and 1 imperfect interpolant sequences. [2018-07-23 13:44:12,152 INFO L324 seRefinementStrategy]: Number of different interpolants: perfect sequences [] imperfect sequences [238] total 238 [2018-07-23 13:44:12,152 INFO L142 lantAutomatonBuilder]: Constructing canonical interpolant automaton, with selfloop in false state [2018-07-23 13:44:12,152 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2018-07-23 13:44:12,152 INFO L185 omatonBuilderFactory]: Interpolants [145034#(<= ULTIMATE.start_main_~k~5 0), 145035#(<= ULTIMATE.start_main_~k~5 1), 145032#true, 145033#false, 145038#(<= ULTIMATE.start_main_~k~5 4), 145039#(<= ULTIMATE.start_main_~k~5 5), 145036#(<= ULTIMATE.start_main_~k~5 2), 145037#(<= ULTIMATE.start_main_~k~5 3), 145042#(<= ULTIMATE.start_main_~k~5 8), 145043#(<= ULTIMATE.start_main_~k~5 9), 145040#(<= ULTIMATE.start_main_~k~5 6), 145041#(<= ULTIMATE.start_main_~k~5 7), 145046#(<= ULTIMATE.start_main_~k~5 12), 145047#(<= ULTIMATE.start_main_~k~5 13), 145044#(<= ULTIMATE.start_main_~k~5 10), 145045#(<= ULTIMATE.start_main_~k~5 11), 145050#(<= ULTIMATE.start_main_~k~5 16), 145051#(<= ULTIMATE.start_main_~k~5 17), 145048#(<= ULTIMATE.start_main_~k~5 14), 145049#(<= ULTIMATE.start_main_~k~5 15), 145054#(<= ULTIMATE.start_main_~k~5 20), 145055#(<= ULTIMATE.start_main_~k~5 21), 145052#(<= ULTIMATE.start_main_~k~5 18), 145053#(<= ULTIMATE.start_main_~k~5 19), 145058#(<= ULTIMATE.start_main_~k~5 24), 145059#(<= ULTIMATE.start_main_~k~5 25), 145056#(<= ULTIMATE.start_main_~k~5 22), 145057#(<= ULTIMATE.start_main_~k~5 23), 145062#(<= ULTIMATE.start_main_~k~5 28), 145063#(<= ULTIMATE.start_main_~k~5 29), 145060#(<= ULTIMATE.start_main_~k~5 26), 145061#(<= ULTIMATE.start_main_~k~5 27), 145066#(<= ULTIMATE.start_main_~k~5 32), 145067#(<= ULTIMATE.start_main_~k~5 33), 145064#(<= ULTIMATE.start_main_~k~5 30), 145065#(<= ULTIMATE.start_main_~k~5 31), 145070#(<= ULTIMATE.start_main_~k~5 36), 145071#(<= ULTIMATE.start_main_~k~5 37), 145068#(<= ULTIMATE.start_main_~k~5 34), 145069#(<= ULTIMATE.start_main_~k~5 35), 145074#(<= ULTIMATE.start_main_~k~5 40), 145075#(<= ULTIMATE.start_main_~k~5 41), 145072#(<= ULTIMATE.start_main_~k~5 38), 145073#(<= ULTIMATE.start_main_~k~5 39), 145078#(<= ULTIMATE.start_main_~k~5 44), 145079#(<= ULTIMATE.start_main_~k~5 45), 145076#(<= ULTIMATE.start_main_~k~5 42), 145077#(<= ULTIMATE.start_main_~k~5 43), 145082#(<= ULTIMATE.start_main_~k~5 48), 145083#(<= ULTIMATE.start_main_~k~5 49), 145080#(<= ULTIMATE.start_main_~k~5 46), 145081#(<= ULTIMATE.start_main_~k~5 47), 145086#(<= ULTIMATE.start_main_~k~5 52), 145087#(<= ULTIMATE.start_main_~k~5 53), 145084#(<= ULTIMATE.start_main_~k~5 50), 145085#(<= ULTIMATE.start_main_~k~5 51), 145090#(<= ULTIMATE.start_main_~k~5 56), 145091#(<= ULTIMATE.start_main_~k~5 57), 145088#(<= ULTIMATE.start_main_~k~5 54), 145089#(<= ULTIMATE.start_main_~k~5 55), 145094#(<= ULTIMATE.start_main_~k~5 60), 145095#(<= ULTIMATE.start_main_~k~5 61), 145092#(<= ULTIMATE.start_main_~k~5 58), 145093#(<= ULTIMATE.start_main_~k~5 59), 145098#(<= ULTIMATE.start_main_~k~5 64), 145099#(<= ULTIMATE.start_main_~k~5 65), 145096#(<= ULTIMATE.start_main_~k~5 62), 145097#(<= ULTIMATE.start_main_~k~5 63), 145102#(<= ULTIMATE.start_main_~k~5 68), 145103#(<= ULTIMATE.start_main_~k~5 69), 145100#(<= ULTIMATE.start_main_~k~5 66), 145101#(<= ULTIMATE.start_main_~k~5 67), 145106#(<= ULTIMATE.start_main_~k~5 72), 145107#(<= ULTIMATE.start_main_~k~5 73), 145104#(<= ULTIMATE.start_main_~k~5 70), 145105#(<= ULTIMATE.start_main_~k~5 71), 145110#(<= ULTIMATE.start_main_~k~5 76), 145111#(<= ULTIMATE.start_main_~k~5 77), 145108#(<= ULTIMATE.start_main_~k~5 74), 145109#(<= ULTIMATE.start_main_~k~5 75), 145114#(<= ULTIMATE.start_main_~k~5 80), 145115#(<= ULTIMATE.start_main_~k~5 81), 145112#(<= ULTIMATE.start_main_~k~5 78), 145113#(<= ULTIMATE.start_main_~k~5 79), 145118#(<= ULTIMATE.start_main_~k~5 84), 145119#(<= ULTIMATE.start_main_~k~5 85), 145116#(<= ULTIMATE.start_main_~k~5 82), 145117#(<= ULTIMATE.start_main_~k~5 83), 145122#(<= ULTIMATE.start_main_~k~5 88), 145123#(<= ULTIMATE.start_main_~k~5 89), 145120#(<= ULTIMATE.start_main_~k~5 86), 145121#(<= ULTIMATE.start_main_~k~5 87), 145126#(<= ULTIMATE.start_main_~k~5 92), 145127#(<= ULTIMATE.start_main_~k~5 93), 145124#(<= ULTIMATE.start_main_~k~5 90), 145125#(<= ULTIMATE.start_main_~k~5 91), 145130#(<= ULTIMATE.start_main_~k~5 96), 145131#(<= ULTIMATE.start_main_~k~5 97), 145128#(<= ULTIMATE.start_main_~k~5 94), 145129#(<= ULTIMATE.start_main_~k~5 95), 145134#(<= ULTIMATE.start_main_~k~5 100), 145135#(<= ULTIMATE.start_main_~k~5 101), 145132#(<= ULTIMATE.start_main_~k~5 98), 145133#(<= ULTIMATE.start_main_~k~5 99), 145138#(<= ULTIMATE.start_main_~k~5 104), 145139#(<= ULTIMATE.start_main_~k~5 105), 145136#(<= ULTIMATE.start_main_~k~5 102), 145137#(<= ULTIMATE.start_main_~k~5 103), 145142#(<= ULTIMATE.start_main_~k~5 108), 145143#(<= ULTIMATE.start_main_~k~5 109), 145140#(<= ULTIMATE.start_main_~k~5 106), 145141#(<= ULTIMATE.start_main_~k~5 107), 145146#(<= ULTIMATE.start_main_~k~5 112), 145147#(<= ULTIMATE.start_main_~k~5 113), 145144#(<= ULTIMATE.start_main_~k~5 110), 145145#(<= ULTIMATE.start_main_~k~5 111), 145150#(<= ULTIMATE.start_main_~k~5 116), 145151#(<= ULTIMATE.start_main_~k~5 117), 145148#(<= ULTIMATE.start_main_~k~5 114), 145149#(<= ULTIMATE.start_main_~k~5 115), 145154#(<= ULTIMATE.start_main_~k~5 120), 145155#(<= ULTIMATE.start_main_~k~5 121), 145152#(<= ULTIMATE.start_main_~k~5 118), 145153#(<= ULTIMATE.start_main_~k~5 119), 145158#(<= ULTIMATE.start_main_~k~5 124), 145159#(<= ULTIMATE.start_main_~k~5 125), 145156#(<= ULTIMATE.start_main_~k~5 122), 145157#(<= ULTIMATE.start_main_~k~5 123), 145162#(<= ULTIMATE.start_main_~k~5 128), 145163#(<= ULTIMATE.start_main_~k~5 129), 145160#(<= ULTIMATE.start_main_~k~5 126), 145161#(<= ULTIMATE.start_main_~k~5 127), 145166#(<= ULTIMATE.start_main_~k~5 132), 145167#(<= ULTIMATE.start_main_~k~5 133), 145164#(<= ULTIMATE.start_main_~k~5 130), 145165#(<= ULTIMATE.start_main_~k~5 131), 145170#(<= ULTIMATE.start_main_~k~5 136), 145171#(<= ULTIMATE.start_main_~k~5 137), 145168#(<= ULTIMATE.start_main_~k~5 134), 145169#(<= ULTIMATE.start_main_~k~5 135), 145174#(<= ULTIMATE.start_main_~k~5 140), 145175#(<= ULTIMATE.start_main_~k~5 141), 145172#(<= ULTIMATE.start_main_~k~5 138), 145173#(<= ULTIMATE.start_main_~k~5 139), 145178#(<= ULTIMATE.start_main_~k~5 144), 145179#(<= ULTIMATE.start_main_~k~5 145), 145176#(<= ULTIMATE.start_main_~k~5 142), 145177#(<= ULTIMATE.start_main_~k~5 143), 145182#(<= ULTIMATE.start_main_~k~5 148), 145183#(<= ULTIMATE.start_main_~k~5 149), 145180#(<= ULTIMATE.start_main_~k~5 146), 145181#(<= ULTIMATE.start_main_~k~5 147), 145186#(<= ULTIMATE.start_main_~k~5 152), 145187#(<= ULTIMATE.start_main_~k~5 153), 145184#(<= ULTIMATE.start_main_~k~5 150), 145185#(<= ULTIMATE.start_main_~k~5 151), 145190#(<= ULTIMATE.start_main_~k~5 156), 145191#(<= ULTIMATE.start_main_~k~5 157), 145188#(<= ULTIMATE.start_main_~k~5 154), 145189#(<= ULTIMATE.start_main_~k~5 155), 145194#(<= ULTIMATE.start_main_~k~5 160), 145195#(<= ULTIMATE.start_main_~k~5 161), 145192#(<= ULTIMATE.start_main_~k~5 158), 145193#(<= ULTIMATE.start_main_~k~5 159), 145198#(<= ULTIMATE.start_main_~k~5 164), 145199#(<= ULTIMATE.start_main_~k~5 165), 145196#(<= ULTIMATE.start_main_~k~5 162), 145197#(<= ULTIMATE.start_main_~k~5 163), 145202#(<= ULTIMATE.start_main_~k~5 168), 145203#(<= ULTIMATE.start_main_~k~5 169), 145200#(<= ULTIMATE.start_main_~k~5 166), 145201#(<= ULTIMATE.start_main_~k~5 167), 145206#(<= ULTIMATE.start_main_~k~5 172), 145207#(<= ULTIMATE.start_main_~k~5 173), 145204#(<= ULTIMATE.start_main_~k~5 170), 145205#(<= ULTIMATE.start_main_~k~5 171), 145210#(<= ULTIMATE.start_main_~k~5 176), 145211#(<= ULTIMATE.start_main_~k~5 177), 145208#(<= ULTIMATE.start_main_~k~5 174), 145209#(<= ULTIMATE.start_main_~k~5 175), 145214#(<= ULTIMATE.start_main_~k~5 180), 145215#(<= ULTIMATE.start_main_~k~5 181), 145212#(<= ULTIMATE.start_main_~k~5 178), 145213#(<= ULTIMATE.start_main_~k~5 179), 145218#(<= ULTIMATE.start_main_~k~5 184), 145219#(<= ULTIMATE.start_main_~k~5 185), 145216#(<= ULTIMATE.start_main_~k~5 182), 145217#(<= ULTIMATE.start_main_~k~5 183), 145222#(<= ULTIMATE.start_main_~k~5 188), 145223#(<= ULTIMATE.start_main_~k~5 189), 145220#(<= ULTIMATE.start_main_~k~5 186), 145221#(<= ULTIMATE.start_main_~k~5 187), 145226#(<= ULTIMATE.start_main_~k~5 192), 145227#(<= ULTIMATE.start_main_~k~5 193), 145224#(<= ULTIMATE.start_main_~k~5 190), 145225#(<= ULTIMATE.start_main_~k~5 191), 145230#(<= ULTIMATE.start_main_~k~5 196), 145231#(<= ULTIMATE.start_main_~k~5 197), 145228#(<= ULTIMATE.start_main_~k~5 194), 145229#(<= ULTIMATE.start_main_~k~5 195), 145234#(<= ULTIMATE.start_main_~k~5 200), 145235#(<= ULTIMATE.start_main_~k~5 201), 145232#(<= ULTIMATE.start_main_~k~5 198), 145233#(<= ULTIMATE.start_main_~k~5 199), 145238#(<= ULTIMATE.start_main_~k~5 204), 145239#(<= ULTIMATE.start_main_~k~5 205), 145236#(<= ULTIMATE.start_main_~k~5 202), 145237#(<= ULTIMATE.start_main_~k~5 203), 145242#(<= ULTIMATE.start_main_~k~5 208), 145243#(<= ULTIMATE.start_main_~k~5 209), 145240#(<= ULTIMATE.start_main_~k~5 206), 145241#(<= ULTIMATE.start_main_~k~5 207), 145246#(<= ULTIMATE.start_main_~k~5 212), 145247#(<= ULTIMATE.start_main_~k~5 213), 145244#(<= ULTIMATE.start_main_~k~5 210), 145245#(<= ULTIMATE.start_main_~k~5 211), 145250#(<= ULTIMATE.start_main_~k~5 216), 145251#(<= ULTIMATE.start_main_~k~5 217), 145248#(<= ULTIMATE.start_main_~k~5 214), 145249#(<= ULTIMATE.start_main_~k~5 215), 145254#(<= ULTIMATE.start_main_~k~5 220), 145255#(<= ULTIMATE.start_main_~k~5 221), 145252#(<= ULTIMATE.start_main_~k~5 218), 145253#(<= ULTIMATE.start_main_~k~5 219), 145258#(<= ULTIMATE.start_main_~k~5 224), 145259#(<= ULTIMATE.start_main_~k~5 225), 145256#(<= ULTIMATE.start_main_~k~5 222), 145257#(<= ULTIMATE.start_main_~k~5 223), 145262#(<= ULTIMATE.start_main_~k~5 228), 145263#(<= ULTIMATE.start_main_~k~5 229), 145260#(<= ULTIMATE.start_main_~k~5 226), 145261#(<= ULTIMATE.start_main_~k~5 227), 145266#(<= ULTIMATE.start_main_~k~5 232), 145267#(<= ULTIMATE.start_main_~k~5 233), 145264#(<= ULTIMATE.start_main_~k~5 230), 145265#(<= ULTIMATE.start_main_~k~5 231), 145270#(<= ULTIMATE.start_main_~k~5 236), 145268#(<= ULTIMATE.start_main_~k~5 234), 145269#(<= ULTIMATE.start_main_~k~5 235)] [2018-07-23 13:44:12,154 INFO L134 CoverageAnalysis]: Checked inductivity of 27966 backedges. 0 proven. 27966 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2018-07-23 13:44:12,154 INFO L450 AbstractCegarLoop]: Interpolant automaton has 239 states [2018-07-23 13:44:12,158 INFO L132 InterpolantAutomaton]: Constructing interpolant automaton starting with 239 interpolants. [2018-07-23 13:44:12,160 INFO L133 InterpolantAutomaton]: CoverageRelationStatistics Valid=28441, Invalid=28441, Unknown=0, NotChecked=0, Total=56882 [2018-07-23 13:44:12,160 INFO L87 Difference]: Start difference. First operand 240 states and 240 transitions. Second operand 239 states. [2018-07-23 13:44:13,400 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2018-07-23 13:44:13,400 INFO L93 Difference]: Finished difference Result 243 states and 243 transitions. [2018-07-23 13:44:13,400 INFO L142 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 239 states. [2018-07-23 13:44:13,400 INFO L78 Accepts]: Start accepts. Automaton has 239 states. Word has length 239 [2018-07-23 13:44:13,400 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2018-07-23 13:44:13,400 INFO L225 Difference]: With dead ends: 243 [2018-07-23 13:44:13,401 INFO L226 Difference]: Without dead ends: 241 [2018-07-23 13:44:13,403 INFO L575 BasicCegarLoop]: 0 DeclaredPredicates, 238 GetRequests, 1 SyntacticMatches, 0 SemanticMatches, 237 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 0 ImplicationChecksByTransitivity, 1.2s TimeCoverageRelationStatistics Valid=28441, Invalid=28441, Unknown=0, NotChecked=0, Total=56882 [2018-07-23 13:44:13,403 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 241 states. [2018-07-23 13:44:13,405 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 241 to 241. [2018-07-23 13:44:13,405 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 241 states. [2018-07-23 13:44:13,405 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 241 states to 241 states and 241 transitions. [2018-07-23 13:44:13,406 INFO L78 Accepts]: Start accepts. Automaton has 241 states and 241 transitions. Word has length 239 [2018-07-23 13:44:13,406 INFO L84 Accepts]: Finished accepts. word is rejected. [2018-07-23 13:44:13,406 INFO L471 AbstractCegarLoop]: Abstraction has 241 states and 241 transitions. [2018-07-23 13:44:13,406 INFO L472 AbstractCegarLoop]: Interpolant automaton has 239 states. [2018-07-23 13:44:13,406 INFO L276 IsEmpty]: Start isEmpty. Operand 241 states and 241 transitions. [2018-07-23 13:44:13,406 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 241 [2018-07-23 13:44:13,406 INFO L349 BasicCegarLoop]: Found error trace [2018-07-23 13:44:13,407 INFO L357 BasicCegarLoop]: trace histogram [237, 1, 1, 1] [2018-07-23 13:44:13,407 INFO L414 AbstractCegarLoop]: === Iteration 238 === [ULTIMATE.startErr0AssertViolationASSERT]=== [2018-07-23 13:44:13,407 INFO L82 PathProgramCache]: Analyzing trace with hash 2142931944, now seen corresponding path program 237 times [2018-07-23 13:44:13,407 INFO L69 tionRefinementEngine]: Using refinement strategy FixedRefinementStrategy [2018-07-23 13:44:13,542 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-07-23 13:44:14,929 INFO L134 CoverageAnalysis]: Checked inductivity of 28203 backedges. 0 proven. 28203 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2018-07-23 13:44:14,929 INFO L309 seRefinementStrategy]: Constructing automaton from 0 perfect and 1 imperfect interpolant sequences. [2018-07-23 13:44:14,929 INFO L324 seRefinementStrategy]: Number of different interpolants: perfect sequences [] imperfect sequences [239] total 239 [2018-07-23 13:44:14,929 INFO L142 lantAutomatonBuilder]: Constructing canonical interpolant automaton, with selfloop in false state [2018-07-23 13:44:14,930 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 13:44:14,930 INFO L185 omatonBuilderFactory]: Interpolants [146434#(<= ULTIMATE.start_main_~k~5 193), 146435#(<= ULTIMATE.start_main_~k~5 194), 146432#(<= ULTIMATE.start_main_~k~5 191), 146433#(<= ULTIMATE.start_main_~k~5 192), 146438#(<= ULTIMATE.start_main_~k~5 197), 146439#(<= ULTIMATE.start_main_~k~5 198), 146436#(<= ULTIMATE.start_main_~k~5 195), 146437#(<= ULTIMATE.start_main_~k~5 196), 146442#(<= ULTIMATE.start_main_~k~5 201), 146443#(<= ULTIMATE.start_main_~k~5 202), 146440#(<= ULTIMATE.start_main_~k~5 199), 146441#(<= ULTIMATE.start_main_~k~5 200), 146446#(<= ULTIMATE.start_main_~k~5 205), 146447#(<= ULTIMATE.start_main_~k~5 206), 146444#(<= ULTIMATE.start_main_~k~5 203), 146445#(<= ULTIMATE.start_main_~k~5 204), 146450#(<= ULTIMATE.start_main_~k~5 209), 146451#(<= ULTIMATE.start_main_~k~5 210), 146448#(<= ULTIMATE.start_main_~k~5 207), 146449#(<= ULTIMATE.start_main_~k~5 208), 146454#(<= ULTIMATE.start_main_~k~5 213), 146455#(<= ULTIMATE.start_main_~k~5 214), 146452#(<= ULTIMATE.start_main_~k~5 211), 146453#(<= ULTIMATE.start_main_~k~5 212), 146458#(<= ULTIMATE.start_main_~k~5 217), 146459#(<= ULTIMATE.start_main_~k~5 218), 146456#(<= ULTIMATE.start_main_~k~5 215), 146457#(<= ULTIMATE.start_main_~k~5 216), 146462#(<= ULTIMATE.start_main_~k~5 221), 146463#(<= ULTIMATE.start_main_~k~5 222), 146460#(<= ULTIMATE.start_main_~k~5 219), 146461#(<= ULTIMATE.start_main_~k~5 220), 146466#(<= ULTIMATE.start_main_~k~5 225), 146467#(<= ULTIMATE.start_main_~k~5 226), 146464#(<= ULTIMATE.start_main_~k~5 223), 146465#(<= ULTIMATE.start_main_~k~5 224), 146470#(<= ULTIMATE.start_main_~k~5 229), 146471#(<= ULTIMATE.start_main_~k~5 230), 146468#(<= ULTIMATE.start_main_~k~5 227), 146469#(<= ULTIMATE.start_main_~k~5 228), 146474#(<= ULTIMATE.start_main_~k~5 233), 146475#(<= ULTIMATE.start_main_~k~5 234), 146472#(<= ULTIMATE.start_main_~k~5 231), 146473#(<= ULTIMATE.start_main_~k~5 232), 146478#(<= ULTIMATE.start_main_~k~5 237), 146476#(<= ULTIMATE.start_main_~k~5 235), 146477#(<= ULTIMATE.start_main_~k~5 236), 146239#true, 146242#(<= ULTIMATE.start_main_~k~5 1), 146243#(<= ULTIMATE.start_main_~k~5 2), 146240#false, 146241#(<= ULTIMATE.start_main_~k~5 0), 146246#(<= ULTIMATE.start_main_~k~5 5), 146247#(<= ULTIMATE.start_main_~k~5 6), 146244#(<= ULTIMATE.start_main_~k~5 3), 146245#(<= ULTIMATE.start_main_~k~5 4), 146250#(<= ULTIMATE.start_main_~k~5 9), 146251#(<= ULTIMATE.start_main_~k~5 10), 146248#(<= ULTIMATE.start_main_~k~5 7), 146249#(<= ULTIMATE.start_main_~k~5 8), 146254#(<= ULTIMATE.start_main_~k~5 13), 146255#(<= ULTIMATE.start_main_~k~5 14), 146252#(<= ULTIMATE.start_main_~k~5 11), 146253#(<= ULTIMATE.start_main_~k~5 12), 146258#(<= ULTIMATE.start_main_~k~5 17), 146259#(<= ULTIMATE.start_main_~k~5 18), 146256#(<= ULTIMATE.start_main_~k~5 15), 146257#(<= ULTIMATE.start_main_~k~5 16), 146262#(<= ULTIMATE.start_main_~k~5 21), 146263#(<= ULTIMATE.start_main_~k~5 22), 146260#(<= ULTIMATE.start_main_~k~5 19), 146261#(<= ULTIMATE.start_main_~k~5 20), 146266#(<= ULTIMATE.start_main_~k~5 25), 146267#(<= ULTIMATE.start_main_~k~5 26), 146264#(<= ULTIMATE.start_main_~k~5 23), 146265#(<= ULTIMATE.start_main_~k~5 24), 146270#(<= ULTIMATE.start_main_~k~5 29), 146271#(<= ULTIMATE.start_main_~k~5 30), 146268#(<= ULTIMATE.start_main_~k~5 27), 146269#(<= ULTIMATE.start_main_~k~5 28), 146274#(<= ULTIMATE.start_main_~k~5 33), 146275#(<= ULTIMATE.start_main_~k~5 34), 146272#(<= ULTIMATE.start_main_~k~5 31), 146273#(<= ULTIMATE.start_main_~k~5 32), 146278#(<= ULTIMATE.start_main_~k~5 37), 146279#(<= ULTIMATE.start_main_~k~5 38), 146276#(<= ULTIMATE.start_main_~k~5 35), 146277#(<= ULTIMATE.start_main_~k~5 36), 146282#(<= ULTIMATE.start_main_~k~5 41), 146283#(<= ULTIMATE.start_main_~k~5 42), 146280#(<= ULTIMATE.start_main_~k~5 39), 146281#(<= ULTIMATE.start_main_~k~5 40), 146286#(<= ULTIMATE.start_main_~k~5 45), 146287#(<= ULTIMATE.start_main_~k~5 46), 146284#(<= ULTIMATE.start_main_~k~5 43), 146285#(<= ULTIMATE.start_main_~k~5 44), 146290#(<= ULTIMATE.start_main_~k~5 49), 146291#(<= ULTIMATE.start_main_~k~5 50), 146288#(<= ULTIMATE.start_main_~k~5 47), 146289#(<= ULTIMATE.start_main_~k~5 48), 146294#(<= ULTIMATE.start_main_~k~5 53), 146295#(<= ULTIMATE.start_main_~k~5 54), 146292#(<= ULTIMATE.start_main_~k~5 51), 146293#(<= ULTIMATE.start_main_~k~5 52), 146298#(<= ULTIMATE.start_main_~k~5 57), 146299#(<= ULTIMATE.start_main_~k~5 58), 146296#(<= ULTIMATE.start_main_~k~5 55), 146297#(<= ULTIMATE.start_main_~k~5 56), 146302#(<= ULTIMATE.start_main_~k~5 61), 146303#(<= ULTIMATE.start_main_~k~5 62), 146300#(<= ULTIMATE.start_main_~k~5 59), 146301#(<= ULTIMATE.start_main_~k~5 60), 146306#(<= ULTIMATE.start_main_~k~5 65), 146307#(<= ULTIMATE.start_main_~k~5 66), 146304#(<= ULTIMATE.start_main_~k~5 63), 146305#(<= ULTIMATE.start_main_~k~5 64), 146310#(<= ULTIMATE.start_main_~k~5 69), 146311#(<= ULTIMATE.start_main_~k~5 70), 146308#(<= ULTIMATE.start_main_~k~5 67), 146309#(<= ULTIMATE.start_main_~k~5 68), 146314#(<= ULTIMATE.start_main_~k~5 73), 146315#(<= ULTIMATE.start_main_~k~5 74), 146312#(<= ULTIMATE.start_main_~k~5 71), 146313#(<= ULTIMATE.start_main_~k~5 72), 146318#(<= ULTIMATE.start_main_~k~5 77), 146319#(<= ULTIMATE.start_main_~k~5 78), 146316#(<= ULTIMATE.start_main_~k~5 75), 146317#(<= ULTIMATE.start_main_~k~5 76), 146322#(<= ULTIMATE.start_main_~k~5 81), 146323#(<= ULTIMATE.start_main_~k~5 82), 146320#(<= ULTIMATE.start_main_~k~5 79), 146321#(<= ULTIMATE.start_main_~k~5 80), 146326#(<= ULTIMATE.start_main_~k~5 85), 146327#(<= ULTIMATE.start_main_~k~5 86), 146324#(<= ULTIMATE.start_main_~k~5 83), 146325#(<= ULTIMATE.start_main_~k~5 84), 146330#(<= ULTIMATE.start_main_~k~5 89), 146331#(<= ULTIMATE.start_main_~k~5 90), 146328#(<= ULTIMATE.start_main_~k~5 87), 146329#(<= ULTIMATE.start_main_~k~5 88), 146334#(<= ULTIMATE.start_main_~k~5 93), 146335#(<= ULTIMATE.start_main_~k~5 94), 146332#(<= ULTIMATE.start_main_~k~5 91), 146333#(<= ULTIMATE.start_main_~k~5 92), 146338#(<= ULTIMATE.start_main_~k~5 97), 146339#(<= ULTIMATE.start_main_~k~5 98), 146336#(<= ULTIMATE.start_main_~k~5 95), 146337#(<= ULTIMATE.start_main_~k~5 96), 146342#(<= ULTIMATE.start_main_~k~5 101), 146343#(<= ULTIMATE.start_main_~k~5 102), 146340#(<= ULTIMATE.start_main_~k~5 99), 146341#(<= ULTIMATE.start_main_~k~5 100), 146346#(<= ULTIMATE.start_main_~k~5 105), 146347#(<= ULTIMATE.start_main_~k~5 106), 146344#(<= ULTIMATE.start_main_~k~5 103), 146345#(<= ULTIMATE.start_main_~k~5 104), 146350#(<= ULTIMATE.start_main_~k~5 109), 146351#(<= ULTIMATE.start_main_~k~5 110), 146348#(<= ULTIMATE.start_main_~k~5 107), 146349#(<= ULTIMATE.start_main_~k~5 108), 146354#(<= ULTIMATE.start_main_~k~5 113), 146355#(<= ULTIMATE.start_main_~k~5 114), 146352#(<= ULTIMATE.start_main_~k~5 111), 146353#(<= ULTIMATE.start_main_~k~5 112), 146358#(<= ULTIMATE.start_main_~k~5 117), 146359#(<= ULTIMATE.start_main_~k~5 118), 146356#(<= ULTIMATE.start_main_~k~5 115), 146357#(<= ULTIMATE.start_main_~k~5 116), 146362#(<= ULTIMATE.start_main_~k~5 121), 146363#(<= ULTIMATE.start_main_~k~5 122), 146360#(<= ULTIMATE.start_main_~k~5 119), 146361#(<= ULTIMATE.start_main_~k~5 120), 146366#(<= ULTIMATE.start_main_~k~5 125), 146367#(<= ULTIMATE.start_main_~k~5 126), 146364#(<= ULTIMATE.start_main_~k~5 123), 146365#(<= ULTIMATE.start_main_~k~5 124), 146370#(<= ULTIMATE.start_main_~k~5 129), 146371#(<= ULTIMATE.start_main_~k~5 130), 146368#(<= ULTIMATE.start_main_~k~5 127), 146369#(<= ULTIMATE.start_main_~k~5 128), 146374#(<= ULTIMATE.start_main_~k~5 133), 146375#(<= ULTIMATE.start_main_~k~5 134), 146372#(<= ULTIMATE.start_main_~k~5 131), 146373#(<= ULTIMATE.start_main_~k~5 132), 146378#(<= ULTIMATE.start_main_~k~5 137), 146379#(<= ULTIMATE.start_main_~k~5 138), 146376#(<= ULTIMATE.start_main_~k~5 135), 146377#(<= ULTIMATE.start_main_~k~5 136), 146382#(<= ULTIMATE.start_main_~k~5 141), 146383#(<= ULTIMATE.start_main_~k~5 142), 146380#(<= ULTIMATE.start_main_~k~5 139), 146381#(<= ULTIMATE.start_main_~k~5 140), 146386#(<= ULTIMATE.start_main_~k~5 145), 146387#(<= ULTIMATE.start_main_~k~5 146), 146384#(<= ULTIMATE.start_main_~k~5 143), 146385#(<= ULTIMATE.start_main_~k~5 144), 146390#(<= ULTIMATE.start_main_~k~5 149), 146391#(<= ULTIMATE.start_main_~k~5 150), 146388#(<= ULTIMATE.start_main_~k~5 147), 146389#(<= ULTIMATE.start_main_~k~5 148), 146394#(<= ULTIMATE.start_main_~k~5 153), 146395#(<= ULTIMATE.start_main_~k~5 154), 146392#(<= ULTIMATE.start_main_~k~5 151), 146393#(<= ULTIMATE.start_main_~k~5 152), 146398#(<= ULTIMATE.start_main_~k~5 157), 146399#(<= ULTIMATE.start_main_~k~5 158), 146396#(<= ULTIMATE.start_main_~k~5 155), 146397#(<= ULTIMATE.start_main_~k~5 156), 146402#(<= ULTIMATE.start_main_~k~5 161), 146403#(<= ULTIMATE.start_main_~k~5 162), 146400#(<= ULTIMATE.start_main_~k~5 159), 146401#(<= ULTIMATE.start_main_~k~5 160), 146406#(<= ULTIMATE.start_main_~k~5 165), 146407#(<= ULTIMATE.start_main_~k~5 166), 146404#(<= ULTIMATE.start_main_~k~5 163), 146405#(<= ULTIMATE.start_main_~k~5 164), 146410#(<= ULTIMATE.start_main_~k~5 169), 146411#(<= ULTIMATE.start_main_~k~5 170), 146408#(<= ULTIMATE.start_main_~k~5 167), 146409#(<= ULTIMATE.start_main_~k~5 168), 146414#(<= ULTIMATE.start_main_~k~5 173), 146415#(<= ULTIMATE.start_main_~k~5 174), 146412#(<= ULTIMATE.start_main_~k~5 171), 146413#(<= ULTIMATE.start_main_~k~5 172), 146418#(<= ULTIMATE.start_main_~k~5 177), 146419#(<= ULTIMATE.start_main_~k~5 178), 146416#(<= ULTIMATE.start_main_~k~5 175), 146417#(<= ULTIMATE.start_main_~k~5 176), 146422#(<= ULTIMATE.start_main_~k~5 181), 146423#(<= ULTIMATE.start_main_~k~5 182), 146420#(<= ULTIMATE.start_main_~k~5 179), 146421#(<= ULTIMATE.start_main_~k~5 180), 146426#(<= ULTIMATE.start_main_~k~5 185), 146427#(<= ULTIMATE.start_main_~k~5 186), 146424#(<= ULTIMATE.start_main_~k~5 183), 146425#(<= ULTIMATE.start_main_~k~5 184), 146430#(<= ULTIMATE.start_main_~k~5 189), 146431#(<= ULTIMATE.start_main_~k~5 190), 146428#(<= ULTIMATE.start_main_~k~5 187), 146429#(<= ULTIMATE.start_main_~k~5 188)] [2018-07-23 13:44:14,931 INFO L134 CoverageAnalysis]: Checked inductivity of 28203 backedges. 0 proven. 28203 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2018-07-23 13:44:14,931 INFO L450 AbstractCegarLoop]: Interpolant automaton has 240 states [2018-07-23 13:44:14,933 INFO L132 InterpolantAutomaton]: Constructing interpolant automaton starting with 240 interpolants. [2018-07-23 13:44:14,934 INFO L133 InterpolantAutomaton]: CoverageRelationStatistics Valid=28680, Invalid=28680, Unknown=0, NotChecked=0, Total=57360 [2018-07-23 13:44:14,934 INFO L87 Difference]: Start difference. First operand 241 states and 241 transitions. Second operand 240 states. [2018-07-23 13:44:15,856 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2018-07-23 13:44:15,856 INFO L93 Difference]: Finished difference Result 244 states and 244 transitions. [2018-07-23 13:44:15,856 INFO L142 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 240 states. [2018-07-23 13:44:15,856 INFO L78 Accepts]: Start accepts. Automaton has 240 states. Word has length 240 [2018-07-23 13:44:15,856 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2018-07-23 13:44:15,857 INFO L225 Difference]: With dead ends: 244 [2018-07-23 13:44:15,857 INFO L226 Difference]: Without dead ends: 242 [2018-07-23 13:44:15,858 INFO L575 BasicCegarLoop]: 0 DeclaredPredicates, 239 GetRequests, 1 SyntacticMatches, 0 SemanticMatches, 238 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 0 ImplicationChecksByTransitivity, 1.2s TimeCoverageRelationStatistics Valid=28680, Invalid=28680, Unknown=0, NotChecked=0, Total=57360 [2018-07-23 13:44:15,858 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 242 states. [2018-07-23 13:44:15,860 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 242 to 242. [2018-07-23 13:44:15,860 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 242 states. [2018-07-23 13:44:15,860 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 242 states to 242 states and 242 transitions. [2018-07-23 13:44:15,860 INFO L78 Accepts]: Start accepts. Automaton has 242 states and 242 transitions. Word has length 240 [2018-07-23 13:44:15,861 INFO L84 Accepts]: Finished accepts. word is rejected. [2018-07-23 13:44:15,861 INFO L471 AbstractCegarLoop]: Abstraction has 242 states and 242 transitions. [2018-07-23 13:44:15,861 INFO L472 AbstractCegarLoop]: Interpolant automaton has 240 states. [2018-07-23 13:44:15,861 INFO L276 IsEmpty]: Start isEmpty. Operand 242 states and 242 transitions. [2018-07-23 13:44:15,861 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 242 [2018-07-23 13:44:15,861 INFO L349 BasicCegarLoop]: Found error trace [2018-07-23 13:44:15,862 INFO L357 BasicCegarLoop]: trace histogram [238, 1, 1, 1] [2018-07-23 13:44:15,862 INFO L414 AbstractCegarLoop]: === Iteration 239 === [ULTIMATE.startErr0AssertViolationASSERT]=== [2018-07-23 13:44:15,862 INFO L82 PathProgramCache]: Analyzing trace with hash 2006378849, now seen corresponding path program 238 times [2018-07-23 13:44:15,862 INFO L69 tionRefinementEngine]: Using refinement strategy FixedRefinementStrategy [2018-07-23 13:44:16,007 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-07-23 13:44:17,361 INFO L134 CoverageAnalysis]: Checked inductivity of 28441 backedges. 0 proven. 28441 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2018-07-23 13:44:17,361 INFO L309 seRefinementStrategy]: Constructing automaton from 0 perfect and 1 imperfect interpolant sequences. [2018-07-23 13:44:17,361 INFO L324 seRefinementStrategy]: Number of different interpolants: perfect sequences [] imperfect sequences [240] total 240 [2018-07-23 13:44:17,361 INFO L142 lantAutomatonBuilder]: Constructing canonical interpolant automaton, with selfloop in false state [2018-07-23 13:44:17,361 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2018-07-23 13:44:17,362 INFO L185 omatonBuilderFactory]: Interpolants [147458#(<= ULTIMATE.start_main_~k~5 5), 147459#(<= ULTIMATE.start_main_~k~5 6), 147456#(<= ULTIMATE.start_main_~k~5 3), 147457#(<= ULTIMATE.start_main_~k~5 4), 147462#(<= ULTIMATE.start_main_~k~5 9), 147463#(<= ULTIMATE.start_main_~k~5 10), 147460#(<= ULTIMATE.start_main_~k~5 7), 147461#(<= ULTIMATE.start_main_~k~5 8), 147466#(<= ULTIMATE.start_main_~k~5 13), 147467#(<= ULTIMATE.start_main_~k~5 14), 147464#(<= ULTIMATE.start_main_~k~5 11), 147465#(<= ULTIMATE.start_main_~k~5 12), 147470#(<= ULTIMATE.start_main_~k~5 17), 147471#(<= ULTIMATE.start_main_~k~5 18), 147468#(<= ULTIMATE.start_main_~k~5 15), 147469#(<= ULTIMATE.start_main_~k~5 16), 147474#(<= ULTIMATE.start_main_~k~5 21), 147475#(<= ULTIMATE.start_main_~k~5 22), 147472#(<= ULTIMATE.start_main_~k~5 19), 147473#(<= ULTIMATE.start_main_~k~5 20), 147478#(<= ULTIMATE.start_main_~k~5 25), 147479#(<= ULTIMATE.start_main_~k~5 26), 147476#(<= ULTIMATE.start_main_~k~5 23), 147477#(<= ULTIMATE.start_main_~k~5 24), 147482#(<= ULTIMATE.start_main_~k~5 29), 147483#(<= ULTIMATE.start_main_~k~5 30), 147480#(<= ULTIMATE.start_main_~k~5 27), 147481#(<= ULTIMATE.start_main_~k~5 28), 147486#(<= ULTIMATE.start_main_~k~5 33), 147487#(<= ULTIMATE.start_main_~k~5 34), 147484#(<= ULTIMATE.start_main_~k~5 31), 147485#(<= ULTIMATE.start_main_~k~5 32), 147490#(<= ULTIMATE.start_main_~k~5 37), 147491#(<= ULTIMATE.start_main_~k~5 38), 147488#(<= ULTIMATE.start_main_~k~5 35), 147489#(<= ULTIMATE.start_main_~k~5 36), 147494#(<= ULTIMATE.start_main_~k~5 41), 147495#(<= ULTIMATE.start_main_~k~5 42), 147492#(<= ULTIMATE.start_main_~k~5 39), 147493#(<= ULTIMATE.start_main_~k~5 40), 147498#(<= ULTIMATE.start_main_~k~5 45), 147499#(<= ULTIMATE.start_main_~k~5 46), 147496#(<= ULTIMATE.start_main_~k~5 43), 147497#(<= ULTIMATE.start_main_~k~5 44), 147502#(<= ULTIMATE.start_main_~k~5 49), 147503#(<= ULTIMATE.start_main_~k~5 50), 147500#(<= ULTIMATE.start_main_~k~5 47), 147501#(<= ULTIMATE.start_main_~k~5 48), 147506#(<= ULTIMATE.start_main_~k~5 53), 147507#(<= ULTIMATE.start_main_~k~5 54), 147504#(<= ULTIMATE.start_main_~k~5 51), 147505#(<= ULTIMATE.start_main_~k~5 52), 147510#(<= ULTIMATE.start_main_~k~5 57), 147511#(<= ULTIMATE.start_main_~k~5 58), 147508#(<= ULTIMATE.start_main_~k~5 55), 147509#(<= ULTIMATE.start_main_~k~5 56), 147514#(<= ULTIMATE.start_main_~k~5 61), 147515#(<= ULTIMATE.start_main_~k~5 62), 147512#(<= ULTIMATE.start_main_~k~5 59), 147513#(<= ULTIMATE.start_main_~k~5 60), 147518#(<= ULTIMATE.start_main_~k~5 65), 147519#(<= ULTIMATE.start_main_~k~5 66), 147516#(<= ULTIMATE.start_main_~k~5 63), 147517#(<= ULTIMATE.start_main_~k~5 64), 147522#(<= ULTIMATE.start_main_~k~5 69), 147523#(<= ULTIMATE.start_main_~k~5 70), 147520#(<= ULTIMATE.start_main_~k~5 67), 147521#(<= ULTIMATE.start_main_~k~5 68), 147526#(<= ULTIMATE.start_main_~k~5 73), 147527#(<= ULTIMATE.start_main_~k~5 74), 147524#(<= ULTIMATE.start_main_~k~5 71), 147525#(<= ULTIMATE.start_main_~k~5 72), 147530#(<= ULTIMATE.start_main_~k~5 77), 147531#(<= ULTIMATE.start_main_~k~5 78), 147528#(<= ULTIMATE.start_main_~k~5 75), 147529#(<= ULTIMATE.start_main_~k~5 76), 147534#(<= ULTIMATE.start_main_~k~5 81), 147535#(<= ULTIMATE.start_main_~k~5 82), 147532#(<= ULTIMATE.start_main_~k~5 79), 147533#(<= ULTIMATE.start_main_~k~5 80), 147538#(<= ULTIMATE.start_main_~k~5 85), 147539#(<= ULTIMATE.start_main_~k~5 86), 147536#(<= ULTIMATE.start_main_~k~5 83), 147537#(<= ULTIMATE.start_main_~k~5 84), 147542#(<= ULTIMATE.start_main_~k~5 89), 147543#(<= ULTIMATE.start_main_~k~5 90), 147540#(<= ULTIMATE.start_main_~k~5 87), 147541#(<= ULTIMATE.start_main_~k~5 88), 147546#(<= ULTIMATE.start_main_~k~5 93), 147547#(<= ULTIMATE.start_main_~k~5 94), 147544#(<= ULTIMATE.start_main_~k~5 91), 147545#(<= ULTIMATE.start_main_~k~5 92), 147550#(<= ULTIMATE.start_main_~k~5 97), 147551#(<= ULTIMATE.start_main_~k~5 98), 147548#(<= ULTIMATE.start_main_~k~5 95), 147549#(<= ULTIMATE.start_main_~k~5 96), 147554#(<= ULTIMATE.start_main_~k~5 101), 147555#(<= ULTIMATE.start_main_~k~5 102), 147552#(<= ULTIMATE.start_main_~k~5 99), 147553#(<= ULTIMATE.start_main_~k~5 100), 147558#(<= ULTIMATE.start_main_~k~5 105), 147559#(<= ULTIMATE.start_main_~k~5 106), 147556#(<= ULTIMATE.start_main_~k~5 103), 147557#(<= ULTIMATE.start_main_~k~5 104), 147562#(<= ULTIMATE.start_main_~k~5 109), 147563#(<= ULTIMATE.start_main_~k~5 110), 147560#(<= ULTIMATE.start_main_~k~5 107), 147561#(<= ULTIMATE.start_main_~k~5 108), 147566#(<= ULTIMATE.start_main_~k~5 113), 147567#(<= ULTIMATE.start_main_~k~5 114), 147564#(<= ULTIMATE.start_main_~k~5 111), 147565#(<= ULTIMATE.start_main_~k~5 112), 147570#(<= ULTIMATE.start_main_~k~5 117), 147571#(<= ULTIMATE.start_main_~k~5 118), 147568#(<= ULTIMATE.start_main_~k~5 115), 147569#(<= ULTIMATE.start_main_~k~5 116), 147574#(<= ULTIMATE.start_main_~k~5 121), 147575#(<= ULTIMATE.start_main_~k~5 122), 147572#(<= ULTIMATE.start_main_~k~5 119), 147573#(<= ULTIMATE.start_main_~k~5 120), 147578#(<= ULTIMATE.start_main_~k~5 125), 147579#(<= ULTIMATE.start_main_~k~5 126), 147576#(<= ULTIMATE.start_main_~k~5 123), 147577#(<= ULTIMATE.start_main_~k~5 124), 147582#(<= ULTIMATE.start_main_~k~5 129), 147583#(<= ULTIMATE.start_main_~k~5 130), 147580#(<= ULTIMATE.start_main_~k~5 127), 147581#(<= ULTIMATE.start_main_~k~5 128), 147586#(<= ULTIMATE.start_main_~k~5 133), 147587#(<= ULTIMATE.start_main_~k~5 134), 147584#(<= ULTIMATE.start_main_~k~5 131), 147585#(<= ULTIMATE.start_main_~k~5 132), 147590#(<= ULTIMATE.start_main_~k~5 137), 147591#(<= ULTIMATE.start_main_~k~5 138), 147588#(<= ULTIMATE.start_main_~k~5 135), 147589#(<= ULTIMATE.start_main_~k~5 136), 147594#(<= ULTIMATE.start_main_~k~5 141), 147595#(<= ULTIMATE.start_main_~k~5 142), 147592#(<= ULTIMATE.start_main_~k~5 139), 147593#(<= ULTIMATE.start_main_~k~5 140), 147598#(<= ULTIMATE.start_main_~k~5 145), 147599#(<= ULTIMATE.start_main_~k~5 146), 147596#(<= ULTIMATE.start_main_~k~5 143), 147597#(<= ULTIMATE.start_main_~k~5 144), 147602#(<= ULTIMATE.start_main_~k~5 149), 147603#(<= ULTIMATE.start_main_~k~5 150), 147600#(<= ULTIMATE.start_main_~k~5 147), 147601#(<= ULTIMATE.start_main_~k~5 148), 147606#(<= ULTIMATE.start_main_~k~5 153), 147607#(<= ULTIMATE.start_main_~k~5 154), 147604#(<= ULTIMATE.start_main_~k~5 151), 147605#(<= ULTIMATE.start_main_~k~5 152), 147610#(<= ULTIMATE.start_main_~k~5 157), 147611#(<= ULTIMATE.start_main_~k~5 158), 147608#(<= ULTIMATE.start_main_~k~5 155), 147609#(<= ULTIMATE.start_main_~k~5 156), 147614#(<= ULTIMATE.start_main_~k~5 161), 147615#(<= ULTIMATE.start_main_~k~5 162), 147612#(<= ULTIMATE.start_main_~k~5 159), 147613#(<= ULTIMATE.start_main_~k~5 160), 147618#(<= ULTIMATE.start_main_~k~5 165), 147619#(<= ULTIMATE.start_main_~k~5 166), 147616#(<= ULTIMATE.start_main_~k~5 163), 147617#(<= ULTIMATE.start_main_~k~5 164), 147622#(<= ULTIMATE.start_main_~k~5 169), 147623#(<= ULTIMATE.start_main_~k~5 170), 147620#(<= ULTIMATE.start_main_~k~5 167), 147621#(<= ULTIMATE.start_main_~k~5 168), 147626#(<= ULTIMATE.start_main_~k~5 173), 147627#(<= ULTIMATE.start_main_~k~5 174), 147624#(<= ULTIMATE.start_main_~k~5 171), 147625#(<= ULTIMATE.start_main_~k~5 172), 147630#(<= ULTIMATE.start_main_~k~5 177), 147631#(<= ULTIMATE.start_main_~k~5 178), 147628#(<= ULTIMATE.start_main_~k~5 175), 147629#(<= ULTIMATE.start_main_~k~5 176), 147634#(<= ULTIMATE.start_main_~k~5 181), 147635#(<= ULTIMATE.start_main_~k~5 182), 147632#(<= ULTIMATE.start_main_~k~5 179), 147633#(<= ULTIMATE.start_main_~k~5 180), 147638#(<= ULTIMATE.start_main_~k~5 185), 147639#(<= ULTIMATE.start_main_~k~5 186), 147636#(<= ULTIMATE.start_main_~k~5 183), 147637#(<= ULTIMATE.start_main_~k~5 184), 147642#(<= ULTIMATE.start_main_~k~5 189), 147643#(<= ULTIMATE.start_main_~k~5 190), 147640#(<= ULTIMATE.start_main_~k~5 187), 147641#(<= ULTIMATE.start_main_~k~5 188), 147646#(<= ULTIMATE.start_main_~k~5 193), 147647#(<= ULTIMATE.start_main_~k~5 194), 147644#(<= ULTIMATE.start_main_~k~5 191), 147645#(<= ULTIMATE.start_main_~k~5 192), 147650#(<= ULTIMATE.start_main_~k~5 197), 147651#(<= ULTIMATE.start_main_~k~5 198), 147648#(<= ULTIMATE.start_main_~k~5 195), 147649#(<= ULTIMATE.start_main_~k~5 196), 147654#(<= ULTIMATE.start_main_~k~5 201), 147655#(<= ULTIMATE.start_main_~k~5 202), 147652#(<= ULTIMATE.start_main_~k~5 199), 147653#(<= ULTIMATE.start_main_~k~5 200), 147658#(<= ULTIMATE.start_main_~k~5 205), 147659#(<= ULTIMATE.start_main_~k~5 206), 147656#(<= ULTIMATE.start_main_~k~5 203), 147657#(<= ULTIMATE.start_main_~k~5 204), 147662#(<= ULTIMATE.start_main_~k~5 209), 147663#(<= ULTIMATE.start_main_~k~5 210), 147660#(<= ULTIMATE.start_main_~k~5 207), 147661#(<= ULTIMATE.start_main_~k~5 208), 147666#(<= ULTIMATE.start_main_~k~5 213), 147667#(<= ULTIMATE.start_main_~k~5 214), 147664#(<= ULTIMATE.start_main_~k~5 211), 147665#(<= ULTIMATE.start_main_~k~5 212), 147670#(<= ULTIMATE.start_main_~k~5 217), 147671#(<= ULTIMATE.start_main_~k~5 218), 147668#(<= ULTIMATE.start_main_~k~5 215), 147669#(<= ULTIMATE.start_main_~k~5 216), 147674#(<= ULTIMATE.start_main_~k~5 221), 147675#(<= ULTIMATE.start_main_~k~5 222), 147672#(<= ULTIMATE.start_main_~k~5 219), 147673#(<= ULTIMATE.start_main_~k~5 220), 147678#(<= ULTIMATE.start_main_~k~5 225), 147679#(<= ULTIMATE.start_main_~k~5 226), 147676#(<= ULTIMATE.start_main_~k~5 223), 147677#(<= ULTIMATE.start_main_~k~5 224), 147682#(<= ULTIMATE.start_main_~k~5 229), 147683#(<= ULTIMATE.start_main_~k~5 230), 147680#(<= ULTIMATE.start_main_~k~5 227), 147681#(<= ULTIMATE.start_main_~k~5 228), 147686#(<= ULTIMATE.start_main_~k~5 233), 147687#(<= ULTIMATE.start_main_~k~5 234), 147684#(<= ULTIMATE.start_main_~k~5 231), 147685#(<= ULTIMATE.start_main_~k~5 232), 147690#(<= ULTIMATE.start_main_~k~5 237), 147691#(<= ULTIMATE.start_main_~k~5 238), 147688#(<= ULTIMATE.start_main_~k~5 235), 147689#(<= ULTIMATE.start_main_~k~5 236), 147451#true, 147454#(<= ULTIMATE.start_main_~k~5 1), 147455#(<= ULTIMATE.start_main_~k~5 2), 147452#false, 147453#(<= ULTIMATE.start_main_~k~5 0)] [2018-07-23 13:44:17,363 INFO L134 CoverageAnalysis]: Checked inductivity of 28441 backedges. 0 proven. 28441 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2018-07-23 13:44:17,363 INFO L450 AbstractCegarLoop]: Interpolant automaton has 241 states [2018-07-23 13:44:17,367 INFO L132 InterpolantAutomaton]: Constructing interpolant automaton starting with 241 interpolants. [2018-07-23 13:44:17,369 INFO L133 InterpolantAutomaton]: CoverageRelationStatistics Valid=28920, Invalid=28920, Unknown=0, NotChecked=0, Total=57840 [2018-07-23 13:44:17,369 INFO L87 Difference]: Start difference. First operand 242 states and 242 transitions. Second operand 241 states. [2018-07-23 13:44:19,408 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2018-07-23 13:44:19,409 INFO L93 Difference]: Finished difference Result 245 states and 245 transitions. [2018-07-23 13:44:19,409 INFO L142 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 241 states. [2018-07-23 13:44:19,409 INFO L78 Accepts]: Start accepts. Automaton has 241 states. Word has length 241 [2018-07-23 13:44:19,409 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2018-07-23 13:44:19,410 INFO L225 Difference]: With dead ends: 245 [2018-07-23 13:44:19,410 INFO L226 Difference]: Without dead ends: 243 [2018-07-23 13:44:19,414 INFO L575 BasicCegarLoop]: 0 DeclaredPredicates, 240 GetRequests, 1 SyntacticMatches, 0 SemanticMatches, 239 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 0 ImplicationChecksByTransitivity, 1.2s TimeCoverageRelationStatistics Valid=28920, Invalid=28920, Unknown=0, NotChecked=0, Total=57840 [2018-07-23 13:44:19,414 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 243 states. [2018-07-23 13:44:19,417 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 243 to 243. [2018-07-23 13:44:19,418 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 243 states. [2018-07-23 13:44:19,418 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 243 states to 243 states and 243 transitions. [2018-07-23 13:44:19,418 INFO L78 Accepts]: Start accepts. Automaton has 243 states and 243 transitions. Word has length 241 [2018-07-23 13:44:19,418 INFO L84 Accepts]: Finished accepts. word is rejected. [2018-07-23 13:44:19,419 INFO L471 AbstractCegarLoop]: Abstraction has 243 states and 243 transitions. [2018-07-23 13:44:19,419 INFO L472 AbstractCegarLoop]: Interpolant automaton has 241 states. [2018-07-23 13:44:19,419 INFO L276 IsEmpty]: Start isEmpty. Operand 243 states and 243 transitions. [2018-07-23 13:44:19,420 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 243 [2018-07-23 13:44:19,420 INFO L349 BasicCegarLoop]: Found error trace [2018-07-23 13:44:19,420 INFO L357 BasicCegarLoop]: trace histogram [239, 1, 1, 1] [2018-07-23 13:44:19,420 INFO L414 AbstractCegarLoop]: === Iteration 240 === [ULTIMATE.startErr0AssertViolationASSERT]=== [2018-07-23 13:44:19,420 INFO L82 PathProgramCache]: Analyzing trace with hash 2068200200, now seen corresponding path program 239 times [2018-07-23 13:44:19,420 INFO L69 tionRefinementEngine]: Using refinement strategy FixedRefinementStrategy [2018-07-23 13:44:19,579 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-07-23 13:44:20,978 INFO L134 CoverageAnalysis]: Checked inductivity of 28680 backedges. 0 proven. 28680 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2018-07-23 13:44:20,978 INFO L309 seRefinementStrategy]: Constructing automaton from 0 perfect and 1 imperfect interpolant sequences. [2018-07-23 13:44:20,978 INFO L324 seRefinementStrategy]: Number of different interpolants: perfect sequences [] imperfect sequences [241] total 241 [2018-07-23 13:44:20,979 INFO L142 lantAutomatonBuilder]: Constructing canonical interpolant automaton, with selfloop in false state [2018-07-23 13:44:20,979 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2018-07-23 13:44:20,979 INFO L185 omatonBuilderFactory]: Interpolants [148670#(<= ULTIMATE.start_main_~k~5 0), 148671#(<= ULTIMATE.start_main_~k~5 1), 148668#true, 148669#false, 148674#(<= ULTIMATE.start_main_~k~5 4), 148675#(<= ULTIMATE.start_main_~k~5 5), 148672#(<= ULTIMATE.start_main_~k~5 2), 148673#(<= ULTIMATE.start_main_~k~5 3), 148678#(<= ULTIMATE.start_main_~k~5 8), 148679#(<= ULTIMATE.start_main_~k~5 9), 148676#(<= ULTIMATE.start_main_~k~5 6), 148677#(<= ULTIMATE.start_main_~k~5 7), 148682#(<= ULTIMATE.start_main_~k~5 12), 148683#(<= ULTIMATE.start_main_~k~5 13), 148680#(<= ULTIMATE.start_main_~k~5 10), 148681#(<= ULTIMATE.start_main_~k~5 11), 148686#(<= ULTIMATE.start_main_~k~5 16), 148687#(<= ULTIMATE.start_main_~k~5 17), 148684#(<= ULTIMATE.start_main_~k~5 14), 148685#(<= ULTIMATE.start_main_~k~5 15), 148690#(<= ULTIMATE.start_main_~k~5 20), 148691#(<= ULTIMATE.start_main_~k~5 21), 148688#(<= ULTIMATE.start_main_~k~5 18), 148689#(<= ULTIMATE.start_main_~k~5 19), 148694#(<= ULTIMATE.start_main_~k~5 24), 148695#(<= ULTIMATE.start_main_~k~5 25), 148692#(<= ULTIMATE.start_main_~k~5 22), 148693#(<= ULTIMATE.start_main_~k~5 23), 148698#(<= ULTIMATE.start_main_~k~5 28), 148699#(<= ULTIMATE.start_main_~k~5 29), 148696#(<= ULTIMATE.start_main_~k~5 26), 148697#(<= ULTIMATE.start_main_~k~5 27), 148702#(<= ULTIMATE.start_main_~k~5 32), 148703#(<= ULTIMATE.start_main_~k~5 33), 148700#(<= ULTIMATE.start_main_~k~5 30), 148701#(<= ULTIMATE.start_main_~k~5 31), 148706#(<= ULTIMATE.start_main_~k~5 36), 148707#(<= ULTIMATE.start_main_~k~5 37), 148704#(<= ULTIMATE.start_main_~k~5 34), 148705#(<= ULTIMATE.start_main_~k~5 35), 148710#(<= ULTIMATE.start_main_~k~5 40), 148711#(<= ULTIMATE.start_main_~k~5 41), 148708#(<= ULTIMATE.start_main_~k~5 38), 148709#(<= ULTIMATE.start_main_~k~5 39), 148714#(<= ULTIMATE.start_main_~k~5 44), 148715#(<= ULTIMATE.start_main_~k~5 45), 148712#(<= ULTIMATE.start_main_~k~5 42), 148713#(<= ULTIMATE.start_main_~k~5 43), 148718#(<= ULTIMATE.start_main_~k~5 48), 148719#(<= ULTIMATE.start_main_~k~5 49), 148716#(<= ULTIMATE.start_main_~k~5 46), 148717#(<= ULTIMATE.start_main_~k~5 47), 148722#(<= ULTIMATE.start_main_~k~5 52), 148723#(<= ULTIMATE.start_main_~k~5 53), 148720#(<= ULTIMATE.start_main_~k~5 50), 148721#(<= ULTIMATE.start_main_~k~5 51), 148726#(<= ULTIMATE.start_main_~k~5 56), 148727#(<= ULTIMATE.start_main_~k~5 57), 148724#(<= ULTIMATE.start_main_~k~5 54), 148725#(<= ULTIMATE.start_main_~k~5 55), 148730#(<= ULTIMATE.start_main_~k~5 60), 148731#(<= ULTIMATE.start_main_~k~5 61), 148728#(<= ULTIMATE.start_main_~k~5 58), 148729#(<= ULTIMATE.start_main_~k~5 59), 148734#(<= ULTIMATE.start_main_~k~5 64), 148735#(<= ULTIMATE.start_main_~k~5 65), 148732#(<= ULTIMATE.start_main_~k~5 62), 148733#(<= ULTIMATE.start_main_~k~5 63), 148738#(<= ULTIMATE.start_main_~k~5 68), 148739#(<= ULTIMATE.start_main_~k~5 69), 148736#(<= ULTIMATE.start_main_~k~5 66), 148737#(<= ULTIMATE.start_main_~k~5 67), 148742#(<= ULTIMATE.start_main_~k~5 72), 148743#(<= ULTIMATE.start_main_~k~5 73), 148740#(<= ULTIMATE.start_main_~k~5 70), 148741#(<= ULTIMATE.start_main_~k~5 71), 148746#(<= ULTIMATE.start_main_~k~5 76), 148747#(<= ULTIMATE.start_main_~k~5 77), 148744#(<= ULTIMATE.start_main_~k~5 74), 148745#(<= ULTIMATE.start_main_~k~5 75), 148750#(<= ULTIMATE.start_main_~k~5 80), 148751#(<= ULTIMATE.start_main_~k~5 81), 148748#(<= ULTIMATE.start_main_~k~5 78), 148749#(<= ULTIMATE.start_main_~k~5 79), 148754#(<= ULTIMATE.start_main_~k~5 84), 148755#(<= ULTIMATE.start_main_~k~5 85), 148752#(<= ULTIMATE.start_main_~k~5 82), 148753#(<= ULTIMATE.start_main_~k~5 83), 148758#(<= ULTIMATE.start_main_~k~5 88), 148759#(<= ULTIMATE.start_main_~k~5 89), 148756#(<= ULTIMATE.start_main_~k~5 86), 148757#(<= ULTIMATE.start_main_~k~5 87), 148762#(<= ULTIMATE.start_main_~k~5 92), 148763#(<= ULTIMATE.start_main_~k~5 93), 148760#(<= ULTIMATE.start_main_~k~5 90), 148761#(<= ULTIMATE.start_main_~k~5 91), 148766#(<= ULTIMATE.start_main_~k~5 96), 148767#(<= ULTIMATE.start_main_~k~5 97), 148764#(<= ULTIMATE.start_main_~k~5 94), 148765#(<= ULTIMATE.start_main_~k~5 95), 148770#(<= ULTIMATE.start_main_~k~5 100), 148771#(<= ULTIMATE.start_main_~k~5 101), 148768#(<= ULTIMATE.start_main_~k~5 98), 148769#(<= ULTIMATE.start_main_~k~5 99), 148774#(<= ULTIMATE.start_main_~k~5 104), 148775#(<= ULTIMATE.start_main_~k~5 105), 148772#(<= ULTIMATE.start_main_~k~5 102), 148773#(<= ULTIMATE.start_main_~k~5 103), 148778#(<= ULTIMATE.start_main_~k~5 108), 148779#(<= ULTIMATE.start_main_~k~5 109), 148776#(<= ULTIMATE.start_main_~k~5 106), 148777#(<= ULTIMATE.start_main_~k~5 107), 148782#(<= ULTIMATE.start_main_~k~5 112), 148783#(<= ULTIMATE.start_main_~k~5 113), 148780#(<= ULTIMATE.start_main_~k~5 110), 148781#(<= ULTIMATE.start_main_~k~5 111), 148786#(<= ULTIMATE.start_main_~k~5 116), 148787#(<= ULTIMATE.start_main_~k~5 117), 148784#(<= ULTIMATE.start_main_~k~5 114), 148785#(<= ULTIMATE.start_main_~k~5 115), 148790#(<= ULTIMATE.start_main_~k~5 120), 148791#(<= ULTIMATE.start_main_~k~5 121), 148788#(<= ULTIMATE.start_main_~k~5 118), 148789#(<= ULTIMATE.start_main_~k~5 119), 148794#(<= ULTIMATE.start_main_~k~5 124), 148795#(<= ULTIMATE.start_main_~k~5 125), 148792#(<= ULTIMATE.start_main_~k~5 122), 148793#(<= ULTIMATE.start_main_~k~5 123), 148798#(<= ULTIMATE.start_main_~k~5 128), 148799#(<= ULTIMATE.start_main_~k~5 129), 148796#(<= ULTIMATE.start_main_~k~5 126), 148797#(<= ULTIMATE.start_main_~k~5 127), 148802#(<= ULTIMATE.start_main_~k~5 132), 148803#(<= ULTIMATE.start_main_~k~5 133), 148800#(<= ULTIMATE.start_main_~k~5 130), 148801#(<= ULTIMATE.start_main_~k~5 131), 148806#(<= ULTIMATE.start_main_~k~5 136), 148807#(<= ULTIMATE.start_main_~k~5 137), 148804#(<= ULTIMATE.start_main_~k~5 134), 148805#(<= ULTIMATE.start_main_~k~5 135), 148810#(<= ULTIMATE.start_main_~k~5 140), 148811#(<= ULTIMATE.start_main_~k~5 141), 148808#(<= ULTIMATE.start_main_~k~5 138), 148809#(<= ULTIMATE.start_main_~k~5 139), 148814#(<= ULTIMATE.start_main_~k~5 144), 148815#(<= ULTIMATE.start_main_~k~5 145), 148812#(<= ULTIMATE.start_main_~k~5 142), 148813#(<= ULTIMATE.start_main_~k~5 143), 148818#(<= ULTIMATE.start_main_~k~5 148), 148819#(<= ULTIMATE.start_main_~k~5 149), 148816#(<= ULTIMATE.start_main_~k~5 146), 148817#(<= ULTIMATE.start_main_~k~5 147), 148822#(<= ULTIMATE.start_main_~k~5 152), 148823#(<= ULTIMATE.start_main_~k~5 153), 148820#(<= ULTIMATE.start_main_~k~5 150), 148821#(<= ULTIMATE.start_main_~k~5 151), 148826#(<= ULTIMATE.start_main_~k~5 156), 148827#(<= ULTIMATE.start_main_~k~5 157), 148824#(<= ULTIMATE.start_main_~k~5 154), 148825#(<= ULTIMATE.start_main_~k~5 155), 148830#(<= ULTIMATE.start_main_~k~5 160), 148831#(<= ULTIMATE.start_main_~k~5 161), 148828#(<= ULTIMATE.start_main_~k~5 158), 148829#(<= ULTIMATE.start_main_~k~5 159), 148834#(<= ULTIMATE.start_main_~k~5 164), 148835#(<= ULTIMATE.start_main_~k~5 165), 148832#(<= ULTIMATE.start_main_~k~5 162), 148833#(<= ULTIMATE.start_main_~k~5 163), 148838#(<= ULTIMATE.start_main_~k~5 168), 148839#(<= ULTIMATE.start_main_~k~5 169), 148836#(<= ULTIMATE.start_main_~k~5 166), 148837#(<= ULTIMATE.start_main_~k~5 167), 148842#(<= ULTIMATE.start_main_~k~5 172), 148843#(<= ULTIMATE.start_main_~k~5 173), 148840#(<= ULTIMATE.start_main_~k~5 170), 148841#(<= ULTIMATE.start_main_~k~5 171), 148846#(<= ULTIMATE.start_main_~k~5 176), 148847#(<= ULTIMATE.start_main_~k~5 177), 148844#(<= ULTIMATE.start_main_~k~5 174), 148845#(<= ULTIMATE.start_main_~k~5 175), 148850#(<= ULTIMATE.start_main_~k~5 180), 148851#(<= ULTIMATE.start_main_~k~5 181), 148848#(<= ULTIMATE.start_main_~k~5 178), 148849#(<= ULTIMATE.start_main_~k~5 179), 148854#(<= ULTIMATE.start_main_~k~5 184), 148855#(<= ULTIMATE.start_main_~k~5 185), 148852#(<= ULTIMATE.start_main_~k~5 182), 148853#(<= ULTIMATE.start_main_~k~5 183), 148858#(<= ULTIMATE.start_main_~k~5 188), 148859#(<= ULTIMATE.start_main_~k~5 189), 148856#(<= ULTIMATE.start_main_~k~5 186), 148857#(<= ULTIMATE.start_main_~k~5 187), 148862#(<= ULTIMATE.start_main_~k~5 192), 148863#(<= ULTIMATE.start_main_~k~5 193), 148860#(<= ULTIMATE.start_main_~k~5 190), 148861#(<= ULTIMATE.start_main_~k~5 191), 148866#(<= ULTIMATE.start_main_~k~5 196), 148867#(<= ULTIMATE.start_main_~k~5 197), 148864#(<= ULTIMATE.start_main_~k~5 194), 148865#(<= ULTIMATE.start_main_~k~5 195), 148870#(<= ULTIMATE.start_main_~k~5 200), 148871#(<= ULTIMATE.start_main_~k~5 201), 148868#(<= ULTIMATE.start_main_~k~5 198), 148869#(<= ULTIMATE.start_main_~k~5 199), 148874#(<= ULTIMATE.start_main_~k~5 204), 148875#(<= ULTIMATE.start_main_~k~5 205), 148872#(<= ULTIMATE.start_main_~k~5 202), 148873#(<= ULTIMATE.start_main_~k~5 203), 148878#(<= ULTIMATE.start_main_~k~5 208), 148879#(<= ULTIMATE.start_main_~k~5 209), 148876#(<= ULTIMATE.start_main_~k~5 206), 148877#(<= ULTIMATE.start_main_~k~5 207), 148882#(<= ULTIMATE.start_main_~k~5 212), 148883#(<= ULTIMATE.start_main_~k~5 213), 148880#(<= ULTIMATE.start_main_~k~5 210), 148881#(<= ULTIMATE.start_main_~k~5 211), 148886#(<= ULTIMATE.start_main_~k~5 216), 148887#(<= ULTIMATE.start_main_~k~5 217), 148884#(<= ULTIMATE.start_main_~k~5 214), 148885#(<= ULTIMATE.start_main_~k~5 215), 148890#(<= ULTIMATE.start_main_~k~5 220), 148891#(<= ULTIMATE.start_main_~k~5 221), 148888#(<= ULTIMATE.start_main_~k~5 218), 148889#(<= ULTIMATE.start_main_~k~5 219), 148894#(<= ULTIMATE.start_main_~k~5 224), 148895#(<= ULTIMATE.start_main_~k~5 225), 148892#(<= ULTIMATE.start_main_~k~5 222), 148893#(<= ULTIMATE.start_main_~k~5 223), 148898#(<= ULTIMATE.start_main_~k~5 228), 148899#(<= ULTIMATE.start_main_~k~5 229), 148896#(<= ULTIMATE.start_main_~k~5 226), 148897#(<= ULTIMATE.start_main_~k~5 227), 148902#(<= ULTIMATE.start_main_~k~5 232), 148903#(<= ULTIMATE.start_main_~k~5 233), 148900#(<= ULTIMATE.start_main_~k~5 230), 148901#(<= ULTIMATE.start_main_~k~5 231), 148906#(<= ULTIMATE.start_main_~k~5 236), 148907#(<= ULTIMATE.start_main_~k~5 237), 148904#(<= ULTIMATE.start_main_~k~5 234), 148905#(<= ULTIMATE.start_main_~k~5 235), 148908#(<= ULTIMATE.start_main_~k~5 238), 148909#(<= ULTIMATE.start_main_~k~5 239)] [2018-07-23 13:44:20,980 INFO L134 CoverageAnalysis]: Checked inductivity of 28680 backedges. 0 proven. 28680 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2018-07-23 13:44:20,980 INFO L450 AbstractCegarLoop]: Interpolant automaton has 242 states [2018-07-23 13:44:20,983 INFO L132 InterpolantAutomaton]: Constructing interpolant automaton starting with 242 interpolants. [2018-07-23 13:44:20,985 INFO L133 InterpolantAutomaton]: CoverageRelationStatistics Valid=29161, Invalid=29161, Unknown=0, NotChecked=0, Total=58322 [2018-07-23 13:44:20,985 INFO L87 Difference]: Start difference. First operand 243 states and 243 transitions. Second operand 242 states. [2018-07-23 13:44:22,454 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2018-07-23 13:44:22,454 INFO L93 Difference]: Finished difference Result 246 states and 246 transitions. [2018-07-23 13:44:22,454 INFO L142 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 242 states. [2018-07-23 13:44:22,454 INFO L78 Accepts]: Start accepts. Automaton has 242 states. Word has length 242 [2018-07-23 13:44:22,454 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2018-07-23 13:44:22,455 INFO L225 Difference]: With dead ends: 246 [2018-07-23 13:44:22,455 INFO L226 Difference]: Without dead ends: 244 [2018-07-23 13:44:22,456 INFO L575 BasicCegarLoop]: 0 DeclaredPredicates, 241 GetRequests, 1 SyntacticMatches, 0 SemanticMatches, 240 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 0 ImplicationChecksByTransitivity, 1.2s TimeCoverageRelationStatistics Valid=29161, Invalid=29161, Unknown=0, NotChecked=0, Total=58322 [2018-07-23 13:44:22,457 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 244 states. [2018-07-23 13:44:22,459 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 244 to 244. [2018-07-23 13:44:22,459 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 244 states. [2018-07-23 13:44:22,459 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 244 states to 244 states and 244 transitions. [2018-07-23 13:44:22,459 INFO L78 Accepts]: Start accepts. Automaton has 244 states and 244 transitions. Word has length 242 [2018-07-23 13:44:22,459 INFO L84 Accepts]: Finished accepts. word is rejected. [2018-07-23 13:44:22,459 INFO L471 AbstractCegarLoop]: Abstraction has 244 states and 244 transitions. [2018-07-23 13:44:22,459 INFO L472 AbstractCegarLoop]: Interpolant automaton has 242 states. [2018-07-23 13:44:22,459 INFO L276 IsEmpty]: Start isEmpty. Operand 244 states and 244 transitions. [2018-07-23 13:44:22,460 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 244 [2018-07-23 13:44:22,460 INFO L349 BasicCegarLoop]: Found error trace [2018-07-23 13:44:22,460 INFO L357 BasicCegarLoop]: trace histogram [240, 1, 1, 1] [2018-07-23 13:44:22,460 INFO L414 AbstractCegarLoop]: === Iteration 241 === [ULTIMATE.startErr0AssertViolationASSERT]=== [2018-07-23 13:44:22,460 INFO L82 PathProgramCache]: Analyzing trace with hash -310305215, now seen corresponding path program 240 times [2018-07-23 13:44:22,460 INFO L69 tionRefinementEngine]: Using refinement strategy FixedRefinementStrategy [2018-07-23 13:44:22,603 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-07-23 13:44:23,999 INFO L134 CoverageAnalysis]: Checked inductivity of 28920 backedges. 0 proven. 28920 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2018-07-23 13:44:23,999 INFO L309 seRefinementStrategy]: Constructing automaton from 0 perfect and 1 imperfect interpolant sequences. [2018-07-23 13:44:23,999 INFO L324 seRefinementStrategy]: Number of different interpolants: perfect sequences [] imperfect sequences [242] total 242 [2018-07-23 13:44:23,999 INFO L142 lantAutomatonBuilder]: Constructing canonical interpolant automaton, with selfloop in false state [2018-07-23 13:44:23,999 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2018-07-23 13:44:24,000 INFO L185 omatonBuilderFactory]: Interpolants [150018#(<= ULTIMATE.start_main_~k~5 126), 150019#(<= ULTIMATE.start_main_~k~5 127), 150016#(<= ULTIMATE.start_main_~k~5 124), 150017#(<= ULTIMATE.start_main_~k~5 125), 150022#(<= ULTIMATE.start_main_~k~5 130), 150023#(<= ULTIMATE.start_main_~k~5 131), 150020#(<= ULTIMATE.start_main_~k~5 128), 150021#(<= ULTIMATE.start_main_~k~5 129), 150026#(<= ULTIMATE.start_main_~k~5 134), 150027#(<= ULTIMATE.start_main_~k~5 135), 150024#(<= ULTIMATE.start_main_~k~5 132), 150025#(<= ULTIMATE.start_main_~k~5 133), 150030#(<= ULTIMATE.start_main_~k~5 138), 150031#(<= ULTIMATE.start_main_~k~5 139), 150028#(<= ULTIMATE.start_main_~k~5 136), 150029#(<= ULTIMATE.start_main_~k~5 137), 150034#(<= ULTIMATE.start_main_~k~5 142), 150035#(<= ULTIMATE.start_main_~k~5 143), 150032#(<= ULTIMATE.start_main_~k~5 140), 150033#(<= ULTIMATE.start_main_~k~5 141), 150038#(<= ULTIMATE.start_main_~k~5 146), 150039#(<= ULTIMATE.start_main_~k~5 147), 150036#(<= ULTIMATE.start_main_~k~5 144), 150037#(<= ULTIMATE.start_main_~k~5 145), 150042#(<= ULTIMATE.start_main_~k~5 150), 150043#(<= ULTIMATE.start_main_~k~5 151), 150040#(<= ULTIMATE.start_main_~k~5 148), 150041#(<= ULTIMATE.start_main_~k~5 149), 150046#(<= ULTIMATE.start_main_~k~5 154), 150047#(<= ULTIMATE.start_main_~k~5 155), 150044#(<= ULTIMATE.start_main_~k~5 152), 150045#(<= ULTIMATE.start_main_~k~5 153), 150050#(<= ULTIMATE.start_main_~k~5 158), 150051#(<= ULTIMATE.start_main_~k~5 159), 150048#(<= ULTIMATE.start_main_~k~5 156), 150049#(<= ULTIMATE.start_main_~k~5 157), 150054#(<= ULTIMATE.start_main_~k~5 162), 150055#(<= ULTIMATE.start_main_~k~5 163), 150052#(<= ULTIMATE.start_main_~k~5 160), 150053#(<= ULTIMATE.start_main_~k~5 161), 150058#(<= ULTIMATE.start_main_~k~5 166), 150059#(<= ULTIMATE.start_main_~k~5 167), 150056#(<= ULTIMATE.start_main_~k~5 164), 150057#(<= ULTIMATE.start_main_~k~5 165), 150062#(<= ULTIMATE.start_main_~k~5 170), 150063#(<= ULTIMATE.start_main_~k~5 171), 150060#(<= ULTIMATE.start_main_~k~5 168), 150061#(<= ULTIMATE.start_main_~k~5 169), 150066#(<= ULTIMATE.start_main_~k~5 174), 150067#(<= ULTIMATE.start_main_~k~5 175), 150064#(<= ULTIMATE.start_main_~k~5 172), 150065#(<= ULTIMATE.start_main_~k~5 173), 150070#(<= ULTIMATE.start_main_~k~5 178), 150071#(<= ULTIMATE.start_main_~k~5 179), 150068#(<= ULTIMATE.start_main_~k~5 176), 150069#(<= ULTIMATE.start_main_~k~5 177), 150074#(<= ULTIMATE.start_main_~k~5 182), 150075#(<= ULTIMATE.start_main_~k~5 183), 150072#(<= ULTIMATE.start_main_~k~5 180), 150073#(<= ULTIMATE.start_main_~k~5 181), 150078#(<= ULTIMATE.start_main_~k~5 186), 150079#(<= ULTIMATE.start_main_~k~5 187), 150076#(<= ULTIMATE.start_main_~k~5 184), 150077#(<= ULTIMATE.start_main_~k~5 185), 150082#(<= ULTIMATE.start_main_~k~5 190), 150083#(<= ULTIMATE.start_main_~k~5 191), 150080#(<= ULTIMATE.start_main_~k~5 188), 150081#(<= ULTIMATE.start_main_~k~5 189), 150086#(<= ULTIMATE.start_main_~k~5 194), 150087#(<= ULTIMATE.start_main_~k~5 195), 150084#(<= ULTIMATE.start_main_~k~5 192), 150085#(<= ULTIMATE.start_main_~k~5 193), 150090#(<= ULTIMATE.start_main_~k~5 198), 150091#(<= ULTIMATE.start_main_~k~5 199), 150088#(<= ULTIMATE.start_main_~k~5 196), 150089#(<= ULTIMATE.start_main_~k~5 197), 150094#(<= ULTIMATE.start_main_~k~5 202), 150095#(<= ULTIMATE.start_main_~k~5 203), 150092#(<= ULTIMATE.start_main_~k~5 200), 150093#(<= ULTIMATE.start_main_~k~5 201), 150098#(<= ULTIMATE.start_main_~k~5 206), 150099#(<= ULTIMATE.start_main_~k~5 207), 150096#(<= ULTIMATE.start_main_~k~5 204), 150097#(<= ULTIMATE.start_main_~k~5 205), 150102#(<= ULTIMATE.start_main_~k~5 210), 150103#(<= ULTIMATE.start_main_~k~5 211), 150100#(<= ULTIMATE.start_main_~k~5 208), 150101#(<= ULTIMATE.start_main_~k~5 209), 150106#(<= ULTIMATE.start_main_~k~5 214), 150107#(<= ULTIMATE.start_main_~k~5 215), 150104#(<= ULTIMATE.start_main_~k~5 212), 150105#(<= ULTIMATE.start_main_~k~5 213), 150110#(<= ULTIMATE.start_main_~k~5 218), 150111#(<= ULTIMATE.start_main_~k~5 219), 150108#(<= ULTIMATE.start_main_~k~5 216), 150109#(<= ULTIMATE.start_main_~k~5 217), 150114#(<= ULTIMATE.start_main_~k~5 222), 150115#(<= ULTIMATE.start_main_~k~5 223), 150112#(<= ULTIMATE.start_main_~k~5 220), 150113#(<= ULTIMATE.start_main_~k~5 221), 150118#(<= ULTIMATE.start_main_~k~5 226), 150119#(<= ULTIMATE.start_main_~k~5 227), 150116#(<= ULTIMATE.start_main_~k~5 224), 150117#(<= ULTIMATE.start_main_~k~5 225), 150122#(<= ULTIMATE.start_main_~k~5 230), 150123#(<= ULTIMATE.start_main_~k~5 231), 150120#(<= ULTIMATE.start_main_~k~5 228), 150121#(<= ULTIMATE.start_main_~k~5 229), 150126#(<= ULTIMATE.start_main_~k~5 234), 150127#(<= ULTIMATE.start_main_~k~5 235), 150124#(<= ULTIMATE.start_main_~k~5 232), 150125#(<= ULTIMATE.start_main_~k~5 233), 150130#(<= ULTIMATE.start_main_~k~5 238), 150131#(<= ULTIMATE.start_main_~k~5 239), 150128#(<= ULTIMATE.start_main_~k~5 236), 150129#(<= ULTIMATE.start_main_~k~5 237), 150132#(<= ULTIMATE.start_main_~k~5 240), 149890#true, 149891#false, 149894#(<= ULTIMATE.start_main_~k~5 2), 149895#(<= ULTIMATE.start_main_~k~5 3), 149892#(<= ULTIMATE.start_main_~k~5 0), 149893#(<= ULTIMATE.start_main_~k~5 1), 149898#(<= ULTIMATE.start_main_~k~5 6), 149899#(<= ULTIMATE.start_main_~k~5 7), 149896#(<= ULTIMATE.start_main_~k~5 4), 149897#(<= ULTIMATE.start_main_~k~5 5), 149902#(<= ULTIMATE.start_main_~k~5 10), 149903#(<= ULTIMATE.start_main_~k~5 11), 149900#(<= ULTIMATE.start_main_~k~5 8), 149901#(<= ULTIMATE.start_main_~k~5 9), 149906#(<= ULTIMATE.start_main_~k~5 14), 149907#(<= ULTIMATE.start_main_~k~5 15), 149904#(<= ULTIMATE.start_main_~k~5 12), 149905#(<= ULTIMATE.start_main_~k~5 13), 149910#(<= ULTIMATE.start_main_~k~5 18), 149911#(<= ULTIMATE.start_main_~k~5 19), 149908#(<= ULTIMATE.start_main_~k~5 16), 149909#(<= ULTIMATE.start_main_~k~5 17), 149914#(<= ULTIMATE.start_main_~k~5 22), 149915#(<= ULTIMATE.start_main_~k~5 23), 149912#(<= ULTIMATE.start_main_~k~5 20), 149913#(<= ULTIMATE.start_main_~k~5 21), 149918#(<= ULTIMATE.start_main_~k~5 26), 149919#(<= ULTIMATE.start_main_~k~5 27), 149916#(<= ULTIMATE.start_main_~k~5 24), 149917#(<= ULTIMATE.start_main_~k~5 25), 149922#(<= ULTIMATE.start_main_~k~5 30), 149923#(<= ULTIMATE.start_main_~k~5 31), 149920#(<= ULTIMATE.start_main_~k~5 28), 149921#(<= ULTIMATE.start_main_~k~5 29), 149926#(<= ULTIMATE.start_main_~k~5 34), 149927#(<= ULTIMATE.start_main_~k~5 35), 149924#(<= ULTIMATE.start_main_~k~5 32), 149925#(<= ULTIMATE.start_main_~k~5 33), 149930#(<= ULTIMATE.start_main_~k~5 38), 149931#(<= ULTIMATE.start_main_~k~5 39), 149928#(<= ULTIMATE.start_main_~k~5 36), 149929#(<= ULTIMATE.start_main_~k~5 37), 149934#(<= ULTIMATE.start_main_~k~5 42), 149935#(<= ULTIMATE.start_main_~k~5 43), 149932#(<= ULTIMATE.start_main_~k~5 40), 149933#(<= ULTIMATE.start_main_~k~5 41), 149938#(<= ULTIMATE.start_main_~k~5 46), 149939#(<= ULTIMATE.start_main_~k~5 47), 149936#(<= ULTIMATE.start_main_~k~5 44), 149937#(<= ULTIMATE.start_main_~k~5 45), 149942#(<= ULTIMATE.start_main_~k~5 50), 149943#(<= ULTIMATE.start_main_~k~5 51), 149940#(<= ULTIMATE.start_main_~k~5 48), 149941#(<= ULTIMATE.start_main_~k~5 49), 149946#(<= ULTIMATE.start_main_~k~5 54), 149947#(<= ULTIMATE.start_main_~k~5 55), 149944#(<= ULTIMATE.start_main_~k~5 52), 149945#(<= ULTIMATE.start_main_~k~5 53), 149950#(<= ULTIMATE.start_main_~k~5 58), 149951#(<= ULTIMATE.start_main_~k~5 59), 149948#(<= ULTIMATE.start_main_~k~5 56), 149949#(<= ULTIMATE.start_main_~k~5 57), 149954#(<= ULTIMATE.start_main_~k~5 62), 149955#(<= ULTIMATE.start_main_~k~5 63), 149952#(<= ULTIMATE.start_main_~k~5 60), 149953#(<= ULTIMATE.start_main_~k~5 61), 149958#(<= ULTIMATE.start_main_~k~5 66), 149959#(<= ULTIMATE.start_main_~k~5 67), 149956#(<= ULTIMATE.start_main_~k~5 64), 149957#(<= ULTIMATE.start_main_~k~5 65), 149962#(<= ULTIMATE.start_main_~k~5 70), 149963#(<= ULTIMATE.start_main_~k~5 71), 149960#(<= ULTIMATE.start_main_~k~5 68), 149961#(<= ULTIMATE.start_main_~k~5 69), 149966#(<= ULTIMATE.start_main_~k~5 74), 149967#(<= ULTIMATE.start_main_~k~5 75), 149964#(<= ULTIMATE.start_main_~k~5 72), 149965#(<= ULTIMATE.start_main_~k~5 73), 149970#(<= ULTIMATE.start_main_~k~5 78), 149971#(<= ULTIMATE.start_main_~k~5 79), 149968#(<= ULTIMATE.start_main_~k~5 76), 149969#(<= ULTIMATE.start_main_~k~5 77), 149974#(<= ULTIMATE.start_main_~k~5 82), 149975#(<= ULTIMATE.start_main_~k~5 83), 149972#(<= ULTIMATE.start_main_~k~5 80), 149973#(<= ULTIMATE.start_main_~k~5 81), 149978#(<= ULTIMATE.start_main_~k~5 86), 149979#(<= ULTIMATE.start_main_~k~5 87), 149976#(<= ULTIMATE.start_main_~k~5 84), 149977#(<= ULTIMATE.start_main_~k~5 85), 149982#(<= ULTIMATE.start_main_~k~5 90), 149983#(<= ULTIMATE.start_main_~k~5 91), 149980#(<= ULTIMATE.start_main_~k~5 88), 149981#(<= ULTIMATE.start_main_~k~5 89), 149986#(<= ULTIMATE.start_main_~k~5 94), 149987#(<= ULTIMATE.start_main_~k~5 95), 149984#(<= ULTIMATE.start_main_~k~5 92), 149985#(<= ULTIMATE.start_main_~k~5 93), 149990#(<= ULTIMATE.start_main_~k~5 98), 149991#(<= ULTIMATE.start_main_~k~5 99), 149988#(<= ULTIMATE.start_main_~k~5 96), 149989#(<= ULTIMATE.start_main_~k~5 97), 149994#(<= ULTIMATE.start_main_~k~5 102), 149995#(<= ULTIMATE.start_main_~k~5 103), 149992#(<= ULTIMATE.start_main_~k~5 100), 149993#(<= ULTIMATE.start_main_~k~5 101), 149998#(<= ULTIMATE.start_main_~k~5 106), 149999#(<= ULTIMATE.start_main_~k~5 107), 149996#(<= ULTIMATE.start_main_~k~5 104), 149997#(<= ULTIMATE.start_main_~k~5 105), 150002#(<= ULTIMATE.start_main_~k~5 110), 150003#(<= ULTIMATE.start_main_~k~5 111), 150000#(<= ULTIMATE.start_main_~k~5 108), 150001#(<= ULTIMATE.start_main_~k~5 109), 150006#(<= ULTIMATE.start_main_~k~5 114), 150007#(<= ULTIMATE.start_main_~k~5 115), 150004#(<= ULTIMATE.start_main_~k~5 112), 150005#(<= ULTIMATE.start_main_~k~5 113), 150010#(<= ULTIMATE.start_main_~k~5 118), 150011#(<= ULTIMATE.start_main_~k~5 119), 150008#(<= ULTIMATE.start_main_~k~5 116), 150009#(<= ULTIMATE.start_main_~k~5 117), 150014#(<= ULTIMATE.start_main_~k~5 122), 150015#(<= ULTIMATE.start_main_~k~5 123), 150012#(<= ULTIMATE.start_main_~k~5 120), 150013#(<= ULTIMATE.start_main_~k~5 121)] [2018-07-23 13:44:24,001 INFO L134 CoverageAnalysis]: Checked inductivity of 28920 backedges. 0 proven. 28920 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2018-07-23 13:44:24,002 INFO L450 AbstractCegarLoop]: Interpolant automaton has 243 states [2018-07-23 13:44:24,006 INFO L132 InterpolantAutomaton]: Constructing interpolant automaton starting with 243 interpolants. [2018-07-23 13:44:24,008 INFO L133 InterpolantAutomaton]: CoverageRelationStatistics Valid=29403, Invalid=29403, Unknown=0, NotChecked=0, Total=58806 [2018-07-23 13:44:24,009 INFO L87 Difference]: Start difference. First operand 244 states and 244 transitions. Second operand 243 states. [2018-07-23 13:44:24,584 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2018-07-23 13:44:24,584 INFO L93 Difference]: Finished difference Result 247 states and 247 transitions. [2018-07-23 13:44:24,584 INFO L142 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 243 states. [2018-07-23 13:44:24,584 INFO L78 Accepts]: Start accepts. Automaton has 243 states. Word has length 243 [2018-07-23 13:44:24,585 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2018-07-23 13:44:24,585 INFO L225 Difference]: With dead ends: 247 [2018-07-23 13:44:24,585 INFO L226 Difference]: Without dead ends: 245 [2018-07-23 13:44:24,588 INFO L575 BasicCegarLoop]: 0 DeclaredPredicates, 242 GetRequests, 1 SyntacticMatches, 0 SemanticMatches, 241 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 0 ImplicationChecksByTransitivity, 1.2s TimeCoverageRelationStatistics Valid=29403, Invalid=29403, Unknown=0, NotChecked=0, Total=58806 [2018-07-23 13:44:24,588 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 245 states. [2018-07-23 13:44:24,590 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 245 to 245. [2018-07-23 13:44:24,590 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 245 states. [2018-07-23 13:44:24,591 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 245 states to 245 states and 245 transitions. [2018-07-23 13:44:24,591 INFO L78 Accepts]: Start accepts. Automaton has 245 states and 245 transitions. Word has length 243 [2018-07-23 13:44:24,591 INFO L84 Accepts]: Finished accepts. word is rejected. [2018-07-23 13:44:24,591 INFO L471 AbstractCegarLoop]: Abstraction has 245 states and 245 transitions. [2018-07-23 13:44:24,591 INFO L472 AbstractCegarLoop]: Interpolant automaton has 243 states. [2018-07-23 13:44:24,591 INFO L276 IsEmpty]: Start isEmpty. Operand 245 states and 245 transitions. [2018-07-23 13:44:24,592 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 245 [2018-07-23 13:44:24,592 INFO L349 BasicCegarLoop]: Found error trace [2018-07-23 13:44:24,592 INFO L357 BasicCegarLoop]: trace histogram [241, 1, 1, 1] [2018-07-23 13:44:24,592 INFO L414 AbstractCegarLoop]: === Iteration 242 === [ULTIMATE.startErr0AssertViolationASSERT]=== [2018-07-23 13:44:24,592 INFO L82 PathProgramCache]: Analyzing trace with hash -1029529048, now seen corresponding path program 241 times [2018-07-23 13:44:24,592 INFO L69 tionRefinementEngine]: Using refinement strategy FixedRefinementStrategy [2018-07-23 13:44:24,754 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-07-23 13:44:26,126 INFO L134 CoverageAnalysis]: Checked inductivity of 29161 backedges. 0 proven. 29161 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2018-07-23 13:44:26,126 INFO L309 seRefinementStrategy]: Constructing automaton from 0 perfect and 1 imperfect interpolant sequences. [2018-07-23 13:44:26,127 INFO L324 seRefinementStrategy]: Number of different interpolants: perfect sequences [] imperfect sequences [243] total 243 [2018-07-23 13:44:26,127 INFO L142 lantAutomatonBuilder]: Constructing canonical interpolant automaton, with selfloop in false state [2018-07-23 13:44:26,127 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2018-07-23 13:44:26,127 INFO L185 omatonBuilderFactory]: Interpolants [151118#false, 151119#(<= ULTIMATE.start_main_~k~5 0), 151117#true, 151122#(<= ULTIMATE.start_main_~k~5 3), 151123#(<= ULTIMATE.start_main_~k~5 4), 151120#(<= ULTIMATE.start_main_~k~5 1), 151121#(<= ULTIMATE.start_main_~k~5 2), 151126#(<= ULTIMATE.start_main_~k~5 7), 151127#(<= ULTIMATE.start_main_~k~5 8), 151124#(<= ULTIMATE.start_main_~k~5 5), 151125#(<= ULTIMATE.start_main_~k~5 6), 151130#(<= ULTIMATE.start_main_~k~5 11), 151131#(<= ULTIMATE.start_main_~k~5 12), 151128#(<= ULTIMATE.start_main_~k~5 9), 151129#(<= ULTIMATE.start_main_~k~5 10), 151134#(<= ULTIMATE.start_main_~k~5 15), 151135#(<= ULTIMATE.start_main_~k~5 16), 151132#(<= ULTIMATE.start_main_~k~5 13), 151133#(<= ULTIMATE.start_main_~k~5 14), 151138#(<= ULTIMATE.start_main_~k~5 19), 151139#(<= ULTIMATE.start_main_~k~5 20), 151136#(<= ULTIMATE.start_main_~k~5 17), 151137#(<= ULTIMATE.start_main_~k~5 18), 151142#(<= ULTIMATE.start_main_~k~5 23), 151143#(<= ULTIMATE.start_main_~k~5 24), 151140#(<= ULTIMATE.start_main_~k~5 21), 151141#(<= ULTIMATE.start_main_~k~5 22), 151146#(<= ULTIMATE.start_main_~k~5 27), 151147#(<= ULTIMATE.start_main_~k~5 28), 151144#(<= ULTIMATE.start_main_~k~5 25), 151145#(<= ULTIMATE.start_main_~k~5 26), 151150#(<= ULTIMATE.start_main_~k~5 31), 151151#(<= ULTIMATE.start_main_~k~5 32), 151148#(<= ULTIMATE.start_main_~k~5 29), 151149#(<= ULTIMATE.start_main_~k~5 30), 151154#(<= ULTIMATE.start_main_~k~5 35), 151155#(<= ULTIMATE.start_main_~k~5 36), 151152#(<= ULTIMATE.start_main_~k~5 33), 151153#(<= ULTIMATE.start_main_~k~5 34), 151158#(<= ULTIMATE.start_main_~k~5 39), 151159#(<= ULTIMATE.start_main_~k~5 40), 151156#(<= ULTIMATE.start_main_~k~5 37), 151157#(<= ULTIMATE.start_main_~k~5 38), 151162#(<= ULTIMATE.start_main_~k~5 43), 151163#(<= ULTIMATE.start_main_~k~5 44), 151160#(<= ULTIMATE.start_main_~k~5 41), 151161#(<= ULTIMATE.start_main_~k~5 42), 151166#(<= ULTIMATE.start_main_~k~5 47), 151167#(<= ULTIMATE.start_main_~k~5 48), 151164#(<= ULTIMATE.start_main_~k~5 45), 151165#(<= ULTIMATE.start_main_~k~5 46), 151170#(<= ULTIMATE.start_main_~k~5 51), 151171#(<= ULTIMATE.start_main_~k~5 52), 151168#(<= ULTIMATE.start_main_~k~5 49), 151169#(<= ULTIMATE.start_main_~k~5 50), 151174#(<= ULTIMATE.start_main_~k~5 55), 151175#(<= ULTIMATE.start_main_~k~5 56), 151172#(<= ULTIMATE.start_main_~k~5 53), 151173#(<= ULTIMATE.start_main_~k~5 54), 151178#(<= ULTIMATE.start_main_~k~5 59), 151179#(<= ULTIMATE.start_main_~k~5 60), 151176#(<= ULTIMATE.start_main_~k~5 57), 151177#(<= ULTIMATE.start_main_~k~5 58), 151182#(<= ULTIMATE.start_main_~k~5 63), 151183#(<= ULTIMATE.start_main_~k~5 64), 151180#(<= ULTIMATE.start_main_~k~5 61), 151181#(<= ULTIMATE.start_main_~k~5 62), 151186#(<= ULTIMATE.start_main_~k~5 67), 151187#(<= ULTIMATE.start_main_~k~5 68), 151184#(<= ULTIMATE.start_main_~k~5 65), 151185#(<= ULTIMATE.start_main_~k~5 66), 151190#(<= ULTIMATE.start_main_~k~5 71), 151191#(<= ULTIMATE.start_main_~k~5 72), 151188#(<= ULTIMATE.start_main_~k~5 69), 151189#(<= ULTIMATE.start_main_~k~5 70), 151194#(<= ULTIMATE.start_main_~k~5 75), 151195#(<= ULTIMATE.start_main_~k~5 76), 151192#(<= ULTIMATE.start_main_~k~5 73), 151193#(<= ULTIMATE.start_main_~k~5 74), 151198#(<= ULTIMATE.start_main_~k~5 79), 151199#(<= ULTIMATE.start_main_~k~5 80), 151196#(<= ULTIMATE.start_main_~k~5 77), 151197#(<= ULTIMATE.start_main_~k~5 78), 151202#(<= ULTIMATE.start_main_~k~5 83), 151203#(<= ULTIMATE.start_main_~k~5 84), 151200#(<= ULTIMATE.start_main_~k~5 81), 151201#(<= ULTIMATE.start_main_~k~5 82), 151206#(<= ULTIMATE.start_main_~k~5 87), 151207#(<= ULTIMATE.start_main_~k~5 88), 151204#(<= ULTIMATE.start_main_~k~5 85), 151205#(<= ULTIMATE.start_main_~k~5 86), 151210#(<= ULTIMATE.start_main_~k~5 91), 151211#(<= ULTIMATE.start_main_~k~5 92), 151208#(<= ULTIMATE.start_main_~k~5 89), 151209#(<= ULTIMATE.start_main_~k~5 90), 151214#(<= ULTIMATE.start_main_~k~5 95), 151215#(<= ULTIMATE.start_main_~k~5 96), 151212#(<= ULTIMATE.start_main_~k~5 93), 151213#(<= ULTIMATE.start_main_~k~5 94), 151218#(<= ULTIMATE.start_main_~k~5 99), 151219#(<= ULTIMATE.start_main_~k~5 100), 151216#(<= ULTIMATE.start_main_~k~5 97), 151217#(<= ULTIMATE.start_main_~k~5 98), 151222#(<= ULTIMATE.start_main_~k~5 103), 151223#(<= ULTIMATE.start_main_~k~5 104), 151220#(<= ULTIMATE.start_main_~k~5 101), 151221#(<= ULTIMATE.start_main_~k~5 102), 151226#(<= ULTIMATE.start_main_~k~5 107), 151227#(<= ULTIMATE.start_main_~k~5 108), 151224#(<= ULTIMATE.start_main_~k~5 105), 151225#(<= ULTIMATE.start_main_~k~5 106), 151230#(<= ULTIMATE.start_main_~k~5 111), 151231#(<= ULTIMATE.start_main_~k~5 112), 151228#(<= ULTIMATE.start_main_~k~5 109), 151229#(<= ULTIMATE.start_main_~k~5 110), 151234#(<= ULTIMATE.start_main_~k~5 115), 151235#(<= ULTIMATE.start_main_~k~5 116), 151232#(<= ULTIMATE.start_main_~k~5 113), 151233#(<= ULTIMATE.start_main_~k~5 114), 151238#(<= ULTIMATE.start_main_~k~5 119), 151239#(<= ULTIMATE.start_main_~k~5 120), 151236#(<= ULTIMATE.start_main_~k~5 117), 151237#(<= ULTIMATE.start_main_~k~5 118), 151242#(<= ULTIMATE.start_main_~k~5 123), 151243#(<= ULTIMATE.start_main_~k~5 124), 151240#(<= ULTIMATE.start_main_~k~5 121), 151241#(<= ULTIMATE.start_main_~k~5 122), 151246#(<= ULTIMATE.start_main_~k~5 127), 151247#(<= ULTIMATE.start_main_~k~5 128), 151244#(<= ULTIMATE.start_main_~k~5 125), 151245#(<= ULTIMATE.start_main_~k~5 126), 151250#(<= ULTIMATE.start_main_~k~5 131), 151251#(<= ULTIMATE.start_main_~k~5 132), 151248#(<= ULTIMATE.start_main_~k~5 129), 151249#(<= ULTIMATE.start_main_~k~5 130), 151254#(<= ULTIMATE.start_main_~k~5 135), 151255#(<= ULTIMATE.start_main_~k~5 136), 151252#(<= ULTIMATE.start_main_~k~5 133), 151253#(<= ULTIMATE.start_main_~k~5 134), 151258#(<= ULTIMATE.start_main_~k~5 139), 151259#(<= ULTIMATE.start_main_~k~5 140), 151256#(<= ULTIMATE.start_main_~k~5 137), 151257#(<= ULTIMATE.start_main_~k~5 138), 151262#(<= ULTIMATE.start_main_~k~5 143), 151263#(<= ULTIMATE.start_main_~k~5 144), 151260#(<= ULTIMATE.start_main_~k~5 141), 151261#(<= ULTIMATE.start_main_~k~5 142), 151266#(<= ULTIMATE.start_main_~k~5 147), 151267#(<= ULTIMATE.start_main_~k~5 148), 151264#(<= ULTIMATE.start_main_~k~5 145), 151265#(<= ULTIMATE.start_main_~k~5 146), 151270#(<= ULTIMATE.start_main_~k~5 151), 151271#(<= ULTIMATE.start_main_~k~5 152), 151268#(<= ULTIMATE.start_main_~k~5 149), 151269#(<= ULTIMATE.start_main_~k~5 150), 151274#(<= ULTIMATE.start_main_~k~5 155), 151275#(<= ULTIMATE.start_main_~k~5 156), 151272#(<= ULTIMATE.start_main_~k~5 153), 151273#(<= ULTIMATE.start_main_~k~5 154), 151278#(<= ULTIMATE.start_main_~k~5 159), 151279#(<= ULTIMATE.start_main_~k~5 160), 151276#(<= ULTIMATE.start_main_~k~5 157), 151277#(<= ULTIMATE.start_main_~k~5 158), 151282#(<= ULTIMATE.start_main_~k~5 163), 151283#(<= ULTIMATE.start_main_~k~5 164), 151280#(<= ULTIMATE.start_main_~k~5 161), 151281#(<= ULTIMATE.start_main_~k~5 162), 151286#(<= ULTIMATE.start_main_~k~5 167), 151287#(<= ULTIMATE.start_main_~k~5 168), 151284#(<= ULTIMATE.start_main_~k~5 165), 151285#(<= ULTIMATE.start_main_~k~5 166), 151290#(<= ULTIMATE.start_main_~k~5 171), 151291#(<= ULTIMATE.start_main_~k~5 172), 151288#(<= ULTIMATE.start_main_~k~5 169), 151289#(<= ULTIMATE.start_main_~k~5 170), 151294#(<= ULTIMATE.start_main_~k~5 175), 151295#(<= ULTIMATE.start_main_~k~5 176), 151292#(<= ULTIMATE.start_main_~k~5 173), 151293#(<= ULTIMATE.start_main_~k~5 174), 151298#(<= ULTIMATE.start_main_~k~5 179), 151299#(<= ULTIMATE.start_main_~k~5 180), 151296#(<= ULTIMATE.start_main_~k~5 177), 151297#(<= ULTIMATE.start_main_~k~5 178), 151302#(<= ULTIMATE.start_main_~k~5 183), 151303#(<= ULTIMATE.start_main_~k~5 184), 151300#(<= ULTIMATE.start_main_~k~5 181), 151301#(<= ULTIMATE.start_main_~k~5 182), 151306#(<= ULTIMATE.start_main_~k~5 187), 151307#(<= ULTIMATE.start_main_~k~5 188), 151304#(<= ULTIMATE.start_main_~k~5 185), 151305#(<= ULTIMATE.start_main_~k~5 186), 151310#(<= ULTIMATE.start_main_~k~5 191), 151311#(<= ULTIMATE.start_main_~k~5 192), 151308#(<= ULTIMATE.start_main_~k~5 189), 151309#(<= ULTIMATE.start_main_~k~5 190), 151314#(<= ULTIMATE.start_main_~k~5 195), 151315#(<= ULTIMATE.start_main_~k~5 196), 151312#(<= ULTIMATE.start_main_~k~5 193), 151313#(<= ULTIMATE.start_main_~k~5 194), 151318#(<= ULTIMATE.start_main_~k~5 199), 151319#(<= ULTIMATE.start_main_~k~5 200), 151316#(<= ULTIMATE.start_main_~k~5 197), 151317#(<= ULTIMATE.start_main_~k~5 198), 151322#(<= ULTIMATE.start_main_~k~5 203), 151323#(<= ULTIMATE.start_main_~k~5 204), 151320#(<= ULTIMATE.start_main_~k~5 201), 151321#(<= ULTIMATE.start_main_~k~5 202), 151326#(<= ULTIMATE.start_main_~k~5 207), 151327#(<= ULTIMATE.start_main_~k~5 208), 151324#(<= ULTIMATE.start_main_~k~5 205), 151325#(<= ULTIMATE.start_main_~k~5 206), 151330#(<= ULTIMATE.start_main_~k~5 211), 151331#(<= ULTIMATE.start_main_~k~5 212), 151328#(<= ULTIMATE.start_main_~k~5 209), 151329#(<= ULTIMATE.start_main_~k~5 210), 151334#(<= ULTIMATE.start_main_~k~5 215), 151335#(<= ULTIMATE.start_main_~k~5 216), 151332#(<= ULTIMATE.start_main_~k~5 213), 151333#(<= ULTIMATE.start_main_~k~5 214), 151338#(<= ULTIMATE.start_main_~k~5 219), 151339#(<= ULTIMATE.start_main_~k~5 220), 151336#(<= ULTIMATE.start_main_~k~5 217), 151337#(<= ULTIMATE.start_main_~k~5 218), 151342#(<= ULTIMATE.start_main_~k~5 223), 151343#(<= ULTIMATE.start_main_~k~5 224), 151340#(<= ULTIMATE.start_main_~k~5 221), 151341#(<= ULTIMATE.start_main_~k~5 222), 151346#(<= ULTIMATE.start_main_~k~5 227), 151347#(<= ULTIMATE.start_main_~k~5 228), 151344#(<= ULTIMATE.start_main_~k~5 225), 151345#(<= ULTIMATE.start_main_~k~5 226), 151350#(<= ULTIMATE.start_main_~k~5 231), 151351#(<= ULTIMATE.start_main_~k~5 232), 151348#(<= ULTIMATE.start_main_~k~5 229), 151349#(<= ULTIMATE.start_main_~k~5 230), 151354#(<= ULTIMATE.start_main_~k~5 235), 151355#(<= ULTIMATE.start_main_~k~5 236), 151352#(<= ULTIMATE.start_main_~k~5 233), 151353#(<= ULTIMATE.start_main_~k~5 234), 151358#(<= ULTIMATE.start_main_~k~5 239), 151359#(<= ULTIMATE.start_main_~k~5 240), 151356#(<= ULTIMATE.start_main_~k~5 237), 151357#(<= ULTIMATE.start_main_~k~5 238), 151360#(<= ULTIMATE.start_main_~k~5 241)] [2018-07-23 13:44:26,129 INFO L134 CoverageAnalysis]: Checked inductivity of 29161 backedges. 0 proven. 29161 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2018-07-23 13:44:26,129 INFO L450 AbstractCegarLoop]: Interpolant automaton has 244 states [2018-07-23 13:44:26,132 INFO L132 InterpolantAutomaton]: Constructing interpolant automaton starting with 244 interpolants. [2018-07-23 13:44:26,133 INFO L133 InterpolantAutomaton]: CoverageRelationStatistics Valid=29646, Invalid=29646, Unknown=0, NotChecked=0, Total=59292 [2018-07-23 13:44:26,133 INFO L87 Difference]: Start difference. First operand 245 states and 245 transitions. Second operand 244 states. [2018-07-23 13:44:27,897 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2018-07-23 13:44:27,897 INFO L93 Difference]: Finished difference Result 248 states and 248 transitions. [2018-07-23 13:44:27,897 INFO L142 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 244 states. [2018-07-23 13:44:27,897 INFO L78 Accepts]: Start accepts. Automaton has 244 states. Word has length 244 [2018-07-23 13:44:27,897 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2018-07-23 13:44:27,898 INFO L225 Difference]: With dead ends: 248 [2018-07-23 13:44:27,898 INFO L226 Difference]: Without dead ends: 246 [2018-07-23 13:44:27,900 INFO L575 BasicCegarLoop]: 0 DeclaredPredicates, 243 GetRequests, 1 SyntacticMatches, 0 SemanticMatches, 242 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 0 ImplicationChecksByTransitivity, 1.2s TimeCoverageRelationStatistics Valid=29646, Invalid=29646, Unknown=0, NotChecked=0, Total=59292 [2018-07-23 13:44:27,900 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 246 states. [2018-07-23 13:44:27,903 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 246 to 246. [2018-07-23 13:44:27,903 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 246 states. [2018-07-23 13:44:27,904 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 246 states to 246 states and 246 transitions. [2018-07-23 13:44:27,904 INFO L78 Accepts]: Start accepts. Automaton has 246 states and 246 transitions. Word has length 244 [2018-07-23 13:44:27,904 INFO L84 Accepts]: Finished accepts. word is rejected. [2018-07-23 13:44:27,904 INFO L471 AbstractCegarLoop]: Abstraction has 246 states and 246 transitions. [2018-07-23 13:44:27,904 INFO L472 AbstractCegarLoop]: Interpolant automaton has 244 states. [2018-07-23 13:44:27,904 INFO L276 IsEmpty]: Start isEmpty. Operand 246 states and 246 transitions. [2018-07-23 13:44:27,905 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 246 [2018-07-23 13:44:27,905 INFO L349 BasicCegarLoop]: Found error trace [2018-07-23 13:44:27,905 INFO L357 BasicCegarLoop]: trace histogram [242, 1, 1, 1] [2018-07-23 13:44:27,905 INFO L414 AbstractCegarLoop]: === Iteration 243 === [ULTIMATE.startErr0AssertViolationASSERT]=== [2018-07-23 13:44:27,905 INFO L82 PathProgramCache]: Analyzing trace with hash -1850631391, now seen corresponding path program 242 times [2018-07-23 13:44:27,905 INFO L69 tionRefinementEngine]: Using refinement strategy FixedRefinementStrategy [2018-07-23 13:44:28,066 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-07-23 13:44:29,491 INFO L134 CoverageAnalysis]: Checked inductivity of 29403 backedges. 0 proven. 29403 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2018-07-23 13:44:29,492 INFO L309 seRefinementStrategy]: Constructing automaton from 0 perfect and 1 imperfect interpolant sequences. [2018-07-23 13:44:29,492 INFO L324 seRefinementStrategy]: Number of different interpolants: perfect sequences [] imperfect sequences [244] total 244 [2018-07-23 13:44:29,492 INFO L142 lantAutomatonBuilder]: Constructing canonical interpolant automaton, with selfloop in false state [2018-07-23 13:44:29,492 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2018-07-23 13:44:29,492 INFO L185 omatonBuilderFactory]: Interpolants [152578#(<= ULTIMATE.start_main_~k~5 227), 152579#(<= ULTIMATE.start_main_~k~5 228), 152576#(<= ULTIMATE.start_main_~k~5 225), 152577#(<= ULTIMATE.start_main_~k~5 226), 152582#(<= ULTIMATE.start_main_~k~5 231), 152583#(<= ULTIMATE.start_main_~k~5 232), 152580#(<= ULTIMATE.start_main_~k~5 229), 152581#(<= ULTIMATE.start_main_~k~5 230), 152586#(<= ULTIMATE.start_main_~k~5 235), 152587#(<= ULTIMATE.start_main_~k~5 236), 152584#(<= ULTIMATE.start_main_~k~5 233), 152585#(<= ULTIMATE.start_main_~k~5 234), 152590#(<= ULTIMATE.start_main_~k~5 239), 152591#(<= ULTIMATE.start_main_~k~5 240), 152588#(<= ULTIMATE.start_main_~k~5 237), 152589#(<= ULTIMATE.start_main_~k~5 238), 152592#(<= ULTIMATE.start_main_~k~5 241), 152593#(<= ULTIMATE.start_main_~k~5 242), 152350#false, 152351#(<= ULTIMATE.start_main_~k~5 0), 152349#true, 152354#(<= ULTIMATE.start_main_~k~5 3), 152355#(<= ULTIMATE.start_main_~k~5 4), 152352#(<= ULTIMATE.start_main_~k~5 1), 152353#(<= ULTIMATE.start_main_~k~5 2), 152358#(<= ULTIMATE.start_main_~k~5 7), 152359#(<= ULTIMATE.start_main_~k~5 8), 152356#(<= ULTIMATE.start_main_~k~5 5), 152357#(<= ULTIMATE.start_main_~k~5 6), 152362#(<= ULTIMATE.start_main_~k~5 11), 152363#(<= ULTIMATE.start_main_~k~5 12), 152360#(<= ULTIMATE.start_main_~k~5 9), 152361#(<= ULTIMATE.start_main_~k~5 10), 152366#(<= ULTIMATE.start_main_~k~5 15), 152367#(<= ULTIMATE.start_main_~k~5 16), 152364#(<= ULTIMATE.start_main_~k~5 13), 152365#(<= ULTIMATE.start_main_~k~5 14), 152370#(<= ULTIMATE.start_main_~k~5 19), 152371#(<= ULTIMATE.start_main_~k~5 20), 152368#(<= ULTIMATE.start_main_~k~5 17), 152369#(<= ULTIMATE.start_main_~k~5 18), 152374#(<= ULTIMATE.start_main_~k~5 23), 152375#(<= ULTIMATE.start_main_~k~5 24), 152372#(<= ULTIMATE.start_main_~k~5 21), 152373#(<= ULTIMATE.start_main_~k~5 22), 152378#(<= ULTIMATE.start_main_~k~5 27), 152379#(<= ULTIMATE.start_main_~k~5 28), 152376#(<= ULTIMATE.start_main_~k~5 25), 152377#(<= ULTIMATE.start_main_~k~5 26), 152382#(<= ULTIMATE.start_main_~k~5 31), 152383#(<= ULTIMATE.start_main_~k~5 32), 152380#(<= ULTIMATE.start_main_~k~5 29), 152381#(<= ULTIMATE.start_main_~k~5 30), 152386#(<= ULTIMATE.start_main_~k~5 35), 152387#(<= ULTIMATE.start_main_~k~5 36), 152384#(<= ULTIMATE.start_main_~k~5 33), 152385#(<= ULTIMATE.start_main_~k~5 34), 152390#(<= ULTIMATE.start_main_~k~5 39), 152391#(<= ULTIMATE.start_main_~k~5 40), 152388#(<= ULTIMATE.start_main_~k~5 37), 152389#(<= ULTIMATE.start_main_~k~5 38), 152394#(<= ULTIMATE.start_main_~k~5 43), 152395#(<= ULTIMATE.start_main_~k~5 44), 152392#(<= ULTIMATE.start_main_~k~5 41), 152393#(<= ULTIMATE.start_main_~k~5 42), 152398#(<= ULTIMATE.start_main_~k~5 47), 152399#(<= ULTIMATE.start_main_~k~5 48), 152396#(<= ULTIMATE.start_main_~k~5 45), 152397#(<= ULTIMATE.start_main_~k~5 46), 152402#(<= ULTIMATE.start_main_~k~5 51), 152403#(<= ULTIMATE.start_main_~k~5 52), 152400#(<= ULTIMATE.start_main_~k~5 49), 152401#(<= ULTIMATE.start_main_~k~5 50), 152406#(<= ULTIMATE.start_main_~k~5 55), 152407#(<= ULTIMATE.start_main_~k~5 56), 152404#(<= ULTIMATE.start_main_~k~5 53), 152405#(<= ULTIMATE.start_main_~k~5 54), 152410#(<= ULTIMATE.start_main_~k~5 59), 152411#(<= ULTIMATE.start_main_~k~5 60), 152408#(<= ULTIMATE.start_main_~k~5 57), 152409#(<= ULTIMATE.start_main_~k~5 58), 152414#(<= ULTIMATE.start_main_~k~5 63), 152415#(<= ULTIMATE.start_main_~k~5 64), 152412#(<= ULTIMATE.start_main_~k~5 61), 152413#(<= ULTIMATE.start_main_~k~5 62), 152418#(<= ULTIMATE.start_main_~k~5 67), 152419#(<= ULTIMATE.start_main_~k~5 68), 152416#(<= ULTIMATE.start_main_~k~5 65), 152417#(<= ULTIMATE.start_main_~k~5 66), 152422#(<= ULTIMATE.start_main_~k~5 71), 152423#(<= ULTIMATE.start_main_~k~5 72), 152420#(<= ULTIMATE.start_main_~k~5 69), 152421#(<= ULTIMATE.start_main_~k~5 70), 152426#(<= ULTIMATE.start_main_~k~5 75), 152427#(<= ULTIMATE.start_main_~k~5 76), 152424#(<= ULTIMATE.start_main_~k~5 73), 152425#(<= ULTIMATE.start_main_~k~5 74), 152430#(<= ULTIMATE.start_main_~k~5 79), 152431#(<= ULTIMATE.start_main_~k~5 80), 152428#(<= ULTIMATE.start_main_~k~5 77), 152429#(<= ULTIMATE.start_main_~k~5 78), 152434#(<= ULTIMATE.start_main_~k~5 83), 152435#(<= ULTIMATE.start_main_~k~5 84), 152432#(<= ULTIMATE.start_main_~k~5 81), 152433#(<= ULTIMATE.start_main_~k~5 82), 152438#(<= ULTIMATE.start_main_~k~5 87), 152439#(<= ULTIMATE.start_main_~k~5 88), 152436#(<= ULTIMATE.start_main_~k~5 85), 152437#(<= ULTIMATE.start_main_~k~5 86), 152442#(<= ULTIMATE.start_main_~k~5 91), 152443#(<= ULTIMATE.start_main_~k~5 92), 152440#(<= ULTIMATE.start_main_~k~5 89), 152441#(<= ULTIMATE.start_main_~k~5 90), 152446#(<= ULTIMATE.start_main_~k~5 95), 152447#(<= ULTIMATE.start_main_~k~5 96), 152444#(<= ULTIMATE.start_main_~k~5 93), 152445#(<= ULTIMATE.start_main_~k~5 94), 152450#(<= ULTIMATE.start_main_~k~5 99), 152451#(<= ULTIMATE.start_main_~k~5 100), 152448#(<= ULTIMATE.start_main_~k~5 97), 152449#(<= ULTIMATE.start_main_~k~5 98), 152454#(<= ULTIMATE.start_main_~k~5 103), 152455#(<= ULTIMATE.start_main_~k~5 104), 152452#(<= ULTIMATE.start_main_~k~5 101), 152453#(<= ULTIMATE.start_main_~k~5 102), 152458#(<= ULTIMATE.start_main_~k~5 107), 152459#(<= ULTIMATE.start_main_~k~5 108), 152456#(<= ULTIMATE.start_main_~k~5 105), 152457#(<= ULTIMATE.start_main_~k~5 106), 152462#(<= ULTIMATE.start_main_~k~5 111), 152463#(<= ULTIMATE.start_main_~k~5 112), 152460#(<= ULTIMATE.start_main_~k~5 109), 152461#(<= ULTIMATE.start_main_~k~5 110), 152466#(<= ULTIMATE.start_main_~k~5 115), 152467#(<= ULTIMATE.start_main_~k~5 116), 152464#(<= ULTIMATE.start_main_~k~5 113), 152465#(<= ULTIMATE.start_main_~k~5 114), 152470#(<= ULTIMATE.start_main_~k~5 119), 152471#(<= ULTIMATE.start_main_~k~5 120), 152468#(<= ULTIMATE.start_main_~k~5 117), 152469#(<= ULTIMATE.start_main_~k~5 118), 152474#(<= ULTIMATE.start_main_~k~5 123), 152475#(<= ULTIMATE.start_main_~k~5 124), 152472#(<= ULTIMATE.start_main_~k~5 121), 152473#(<= ULTIMATE.start_main_~k~5 122), 152478#(<= ULTIMATE.start_main_~k~5 127), 152479#(<= ULTIMATE.start_main_~k~5 128), 152476#(<= ULTIMATE.start_main_~k~5 125), 152477#(<= ULTIMATE.start_main_~k~5 126), 152482#(<= ULTIMATE.start_main_~k~5 131), 152483#(<= ULTIMATE.start_main_~k~5 132), 152480#(<= ULTIMATE.start_main_~k~5 129), 152481#(<= ULTIMATE.start_main_~k~5 130), 152486#(<= ULTIMATE.start_main_~k~5 135), 152487#(<= ULTIMATE.start_main_~k~5 136), 152484#(<= ULTIMATE.start_main_~k~5 133), 152485#(<= ULTIMATE.start_main_~k~5 134), 152490#(<= ULTIMATE.start_main_~k~5 139), 152491#(<= ULTIMATE.start_main_~k~5 140), 152488#(<= ULTIMATE.start_main_~k~5 137), 152489#(<= ULTIMATE.start_main_~k~5 138), 152494#(<= ULTIMATE.start_main_~k~5 143), 152495#(<= ULTIMATE.start_main_~k~5 144), 152492#(<= ULTIMATE.start_main_~k~5 141), 152493#(<= ULTIMATE.start_main_~k~5 142), 152498#(<= ULTIMATE.start_main_~k~5 147), 152499#(<= ULTIMATE.start_main_~k~5 148), 152496#(<= ULTIMATE.start_main_~k~5 145), 152497#(<= ULTIMATE.start_main_~k~5 146), 152502#(<= ULTIMATE.start_main_~k~5 151), 152503#(<= ULTIMATE.start_main_~k~5 152), 152500#(<= ULTIMATE.start_main_~k~5 149), 152501#(<= ULTIMATE.start_main_~k~5 150), 152506#(<= ULTIMATE.start_main_~k~5 155), 152507#(<= ULTIMATE.start_main_~k~5 156), 152504#(<= ULTIMATE.start_main_~k~5 153), 152505#(<= ULTIMATE.start_main_~k~5 154), 152510#(<= ULTIMATE.start_main_~k~5 159), 152511#(<= ULTIMATE.start_main_~k~5 160), 152508#(<= ULTIMATE.start_main_~k~5 157), 152509#(<= ULTIMATE.start_main_~k~5 158), 152514#(<= ULTIMATE.start_main_~k~5 163), 152515#(<= ULTIMATE.start_main_~k~5 164), 152512#(<= ULTIMATE.start_main_~k~5 161), 152513#(<= ULTIMATE.start_main_~k~5 162), 152518#(<= ULTIMATE.start_main_~k~5 167), 152519#(<= ULTIMATE.start_main_~k~5 168), 152516#(<= ULTIMATE.start_main_~k~5 165), 152517#(<= ULTIMATE.start_main_~k~5 166), 152522#(<= ULTIMATE.start_main_~k~5 171), 152523#(<= ULTIMATE.start_main_~k~5 172), 152520#(<= ULTIMATE.start_main_~k~5 169), 152521#(<= ULTIMATE.start_main_~k~5 170), 152526#(<= ULTIMATE.start_main_~k~5 175), 152527#(<= ULTIMATE.start_main_~k~5 176), 152524#(<= ULTIMATE.start_main_~k~5 173), 152525#(<= ULTIMATE.start_main_~k~5 174), 152530#(<= ULTIMATE.start_main_~k~5 179), 152531#(<= ULTIMATE.start_main_~k~5 180), 152528#(<= ULTIMATE.start_main_~k~5 177), 152529#(<= ULTIMATE.start_main_~k~5 178), 152534#(<= ULTIMATE.start_main_~k~5 183), 152535#(<= ULTIMATE.start_main_~k~5 184), 152532#(<= ULTIMATE.start_main_~k~5 181), 152533#(<= ULTIMATE.start_main_~k~5 182), 152538#(<= ULTIMATE.start_main_~k~5 187), 152539#(<= ULTIMATE.start_main_~k~5 188), 152536#(<= ULTIMATE.start_main_~k~5 185), 152537#(<= ULTIMATE.start_main_~k~5 186), 152542#(<= ULTIMATE.start_main_~k~5 191), 152543#(<= ULTIMATE.start_main_~k~5 192), 152540#(<= ULTIMATE.start_main_~k~5 189), 152541#(<= ULTIMATE.start_main_~k~5 190), 152546#(<= ULTIMATE.start_main_~k~5 195), 152547#(<= ULTIMATE.start_main_~k~5 196), 152544#(<= ULTIMATE.start_main_~k~5 193), 152545#(<= ULTIMATE.start_main_~k~5 194), 152550#(<= ULTIMATE.start_main_~k~5 199), 152551#(<= ULTIMATE.start_main_~k~5 200), 152548#(<= ULTIMATE.start_main_~k~5 197), 152549#(<= ULTIMATE.start_main_~k~5 198), 152554#(<= ULTIMATE.start_main_~k~5 203), 152555#(<= ULTIMATE.start_main_~k~5 204), 152552#(<= ULTIMATE.start_main_~k~5 201), 152553#(<= ULTIMATE.start_main_~k~5 202), 152558#(<= ULTIMATE.start_main_~k~5 207), 152559#(<= ULTIMATE.start_main_~k~5 208), 152556#(<= ULTIMATE.start_main_~k~5 205), 152557#(<= ULTIMATE.start_main_~k~5 206), 152562#(<= ULTIMATE.start_main_~k~5 211), 152563#(<= ULTIMATE.start_main_~k~5 212), 152560#(<= ULTIMATE.start_main_~k~5 209), 152561#(<= ULTIMATE.start_main_~k~5 210), 152566#(<= ULTIMATE.start_main_~k~5 215), 152567#(<= ULTIMATE.start_main_~k~5 216), 152564#(<= ULTIMATE.start_main_~k~5 213), 152565#(<= ULTIMATE.start_main_~k~5 214), 152570#(<= ULTIMATE.start_main_~k~5 219), 152571#(<= ULTIMATE.start_main_~k~5 220), 152568#(<= ULTIMATE.start_main_~k~5 217), 152569#(<= ULTIMATE.start_main_~k~5 218), 152574#(<= ULTIMATE.start_main_~k~5 223), 152575#(<= ULTIMATE.start_main_~k~5 224), 152572#(<= ULTIMATE.start_main_~k~5 221), 152573#(<= ULTIMATE.start_main_~k~5 222)] [2018-07-23 13:44:29,494 INFO L134 CoverageAnalysis]: Checked inductivity of 29403 backedges. 0 proven. 29403 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2018-07-23 13:44:29,494 INFO L450 AbstractCegarLoop]: Interpolant automaton has 245 states [2018-07-23 13:44:29,498 INFO L132 InterpolantAutomaton]: Constructing interpolant automaton starting with 245 interpolants. [2018-07-23 13:44:29,501 INFO L133 InterpolantAutomaton]: CoverageRelationStatistics Valid=29890, Invalid=29890, Unknown=0, NotChecked=0, Total=59780 [2018-07-23 13:44:29,501 INFO L87 Difference]: Start difference. First operand 246 states and 246 transitions. Second operand 245 states. [2018-07-23 13:44:31,257 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2018-07-23 13:44:31,257 INFO L93 Difference]: Finished difference Result 249 states and 249 transitions. [2018-07-23 13:44:31,257 INFO L142 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 245 states. [2018-07-23 13:44:31,257 INFO L78 Accepts]: Start accepts. Automaton has 245 states. Word has length 245 [2018-07-23 13:44:31,258 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2018-07-23 13:44:31,258 INFO L225 Difference]: With dead ends: 249 [2018-07-23 13:44:31,258 INFO L226 Difference]: Without dead ends: 247 [2018-07-23 13:44:31,261 INFO L575 BasicCegarLoop]: 0 DeclaredPredicates, 244 GetRequests, 1 SyntacticMatches, 0 SemanticMatches, 243 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 0 ImplicationChecksByTransitivity, 1.2s TimeCoverageRelationStatistics Valid=29890, Invalid=29890, Unknown=0, NotChecked=0, Total=59780 [2018-07-23 13:44:31,261 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 247 states. [2018-07-23 13:44:31,263 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 247 to 247. [2018-07-23 13:44:31,263 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 247 states. [2018-07-23 13:44:31,264 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 247 states to 247 states and 247 transitions. [2018-07-23 13:44:31,264 INFO L78 Accepts]: Start accepts. Automaton has 247 states and 247 transitions. Word has length 245 [2018-07-23 13:44:31,264 INFO L84 Accepts]: Finished accepts. word is rejected. [2018-07-23 13:44:31,264 INFO L471 AbstractCegarLoop]: Abstraction has 247 states and 247 transitions. [2018-07-23 13:44:31,264 INFO L472 AbstractCegarLoop]: Interpolant automaton has 245 states. [2018-07-23 13:44:31,264 INFO L276 IsEmpty]: Start isEmpty. Operand 247 states and 247 transitions. [2018-07-23 13:44:31,265 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 247 [2018-07-23 13:44:31,265 INFO L349 BasicCegarLoop]: Found error trace [2018-07-23 13:44:31,265 INFO L357 BasicCegarLoop]: trace histogram [243, 1, 1, 1] [2018-07-23 13:44:31,265 INFO L414 AbstractCegarLoop]: === Iteration 244 === [ULTIMATE.startErr0AssertViolationASSERT]=== [2018-07-23 13:44:31,265 INFO L82 PathProgramCache]: Analyzing trace with hash -1535000248, now seen corresponding path program 243 times [2018-07-23 13:44:31,265 INFO L69 tionRefinementEngine]: Using refinement strategy FixedRefinementStrategy [2018-07-23 13:44:31,412 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-07-23 13:44:33,013 INFO L134 CoverageAnalysis]: Checked inductivity of 29646 backedges. 0 proven. 29646 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2018-07-23 13:44:33,014 INFO L309 seRefinementStrategy]: Constructing automaton from 0 perfect and 1 imperfect interpolant sequences. [2018-07-23 13:44:33,014 INFO L324 seRefinementStrategy]: Number of different interpolants: perfect sequences [] imperfect sequences [245] total 245 [2018-07-23 13:44:33,014 INFO L142 lantAutomatonBuilder]: Constructing canonical interpolant automaton, with selfloop in false state [2018-07-23 13:44:33,014 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2018-07-23 13:44:33,015 INFO L185 omatonBuilderFactory]: Interpolants [153602#(<= ULTIMATE.start_main_~k~5 14), 153603#(<= ULTIMATE.start_main_~k~5 15), 153600#(<= ULTIMATE.start_main_~k~5 12), 153601#(<= ULTIMATE.start_main_~k~5 13), 153606#(<= ULTIMATE.start_main_~k~5 18), 153607#(<= ULTIMATE.start_main_~k~5 19), 153604#(<= ULTIMATE.start_main_~k~5 16), 153605#(<= ULTIMATE.start_main_~k~5 17), 153610#(<= ULTIMATE.start_main_~k~5 22), 153611#(<= ULTIMATE.start_main_~k~5 23), 153608#(<= ULTIMATE.start_main_~k~5 20), 153609#(<= ULTIMATE.start_main_~k~5 21), 153614#(<= ULTIMATE.start_main_~k~5 26), 153615#(<= ULTIMATE.start_main_~k~5 27), 153612#(<= ULTIMATE.start_main_~k~5 24), 153613#(<= ULTIMATE.start_main_~k~5 25), 153618#(<= ULTIMATE.start_main_~k~5 30), 153619#(<= ULTIMATE.start_main_~k~5 31), 153616#(<= ULTIMATE.start_main_~k~5 28), 153617#(<= ULTIMATE.start_main_~k~5 29), 153622#(<= ULTIMATE.start_main_~k~5 34), 153623#(<= ULTIMATE.start_main_~k~5 35), 153620#(<= ULTIMATE.start_main_~k~5 32), 153621#(<= ULTIMATE.start_main_~k~5 33), 153626#(<= ULTIMATE.start_main_~k~5 38), 153627#(<= ULTIMATE.start_main_~k~5 39), 153624#(<= ULTIMATE.start_main_~k~5 36), 153625#(<= ULTIMATE.start_main_~k~5 37), 153630#(<= ULTIMATE.start_main_~k~5 42), 153631#(<= ULTIMATE.start_main_~k~5 43), 153628#(<= ULTIMATE.start_main_~k~5 40), 153629#(<= ULTIMATE.start_main_~k~5 41), 153634#(<= ULTIMATE.start_main_~k~5 46), 153635#(<= ULTIMATE.start_main_~k~5 47), 153632#(<= ULTIMATE.start_main_~k~5 44), 153633#(<= ULTIMATE.start_main_~k~5 45), 153638#(<= ULTIMATE.start_main_~k~5 50), 153639#(<= ULTIMATE.start_main_~k~5 51), 153636#(<= ULTIMATE.start_main_~k~5 48), 153637#(<= ULTIMATE.start_main_~k~5 49), 153642#(<= ULTIMATE.start_main_~k~5 54), 153643#(<= ULTIMATE.start_main_~k~5 55), 153640#(<= ULTIMATE.start_main_~k~5 52), 153641#(<= ULTIMATE.start_main_~k~5 53), 153646#(<= ULTIMATE.start_main_~k~5 58), 153647#(<= ULTIMATE.start_main_~k~5 59), 153644#(<= ULTIMATE.start_main_~k~5 56), 153645#(<= ULTIMATE.start_main_~k~5 57), 153650#(<= ULTIMATE.start_main_~k~5 62), 153651#(<= ULTIMATE.start_main_~k~5 63), 153648#(<= ULTIMATE.start_main_~k~5 60), 153649#(<= ULTIMATE.start_main_~k~5 61), 153654#(<= ULTIMATE.start_main_~k~5 66), 153655#(<= ULTIMATE.start_main_~k~5 67), 153652#(<= ULTIMATE.start_main_~k~5 64), 153653#(<= ULTIMATE.start_main_~k~5 65), 153658#(<= ULTIMATE.start_main_~k~5 70), 153659#(<= ULTIMATE.start_main_~k~5 71), 153656#(<= ULTIMATE.start_main_~k~5 68), 153657#(<= ULTIMATE.start_main_~k~5 69), 153662#(<= ULTIMATE.start_main_~k~5 74), 153663#(<= ULTIMATE.start_main_~k~5 75), 153660#(<= ULTIMATE.start_main_~k~5 72), 153661#(<= ULTIMATE.start_main_~k~5 73), 153666#(<= ULTIMATE.start_main_~k~5 78), 153667#(<= ULTIMATE.start_main_~k~5 79), 153664#(<= ULTIMATE.start_main_~k~5 76), 153665#(<= ULTIMATE.start_main_~k~5 77), 153670#(<= ULTIMATE.start_main_~k~5 82), 153671#(<= ULTIMATE.start_main_~k~5 83), 153668#(<= ULTIMATE.start_main_~k~5 80), 153669#(<= ULTIMATE.start_main_~k~5 81), 153674#(<= ULTIMATE.start_main_~k~5 86), 153675#(<= ULTIMATE.start_main_~k~5 87), 153672#(<= ULTIMATE.start_main_~k~5 84), 153673#(<= ULTIMATE.start_main_~k~5 85), 153678#(<= ULTIMATE.start_main_~k~5 90), 153679#(<= ULTIMATE.start_main_~k~5 91), 153676#(<= ULTIMATE.start_main_~k~5 88), 153677#(<= ULTIMATE.start_main_~k~5 89), 153682#(<= ULTIMATE.start_main_~k~5 94), 153683#(<= ULTIMATE.start_main_~k~5 95), 153680#(<= ULTIMATE.start_main_~k~5 92), 153681#(<= ULTIMATE.start_main_~k~5 93), 153686#(<= ULTIMATE.start_main_~k~5 98), 153687#(<= ULTIMATE.start_main_~k~5 99), 153684#(<= ULTIMATE.start_main_~k~5 96), 153685#(<= ULTIMATE.start_main_~k~5 97), 153690#(<= ULTIMATE.start_main_~k~5 102), 153691#(<= ULTIMATE.start_main_~k~5 103), 153688#(<= ULTIMATE.start_main_~k~5 100), 153689#(<= ULTIMATE.start_main_~k~5 101), 153694#(<= ULTIMATE.start_main_~k~5 106), 153695#(<= ULTIMATE.start_main_~k~5 107), 153692#(<= ULTIMATE.start_main_~k~5 104), 153693#(<= ULTIMATE.start_main_~k~5 105), 153698#(<= ULTIMATE.start_main_~k~5 110), 153699#(<= ULTIMATE.start_main_~k~5 111), 153696#(<= ULTIMATE.start_main_~k~5 108), 153697#(<= ULTIMATE.start_main_~k~5 109), 153702#(<= ULTIMATE.start_main_~k~5 114), 153703#(<= ULTIMATE.start_main_~k~5 115), 153700#(<= ULTIMATE.start_main_~k~5 112), 153701#(<= ULTIMATE.start_main_~k~5 113), 153706#(<= ULTIMATE.start_main_~k~5 118), 153707#(<= ULTIMATE.start_main_~k~5 119), 153704#(<= ULTIMATE.start_main_~k~5 116), 153705#(<= ULTIMATE.start_main_~k~5 117), 153710#(<= ULTIMATE.start_main_~k~5 122), 153711#(<= ULTIMATE.start_main_~k~5 123), 153708#(<= ULTIMATE.start_main_~k~5 120), 153709#(<= ULTIMATE.start_main_~k~5 121), 153714#(<= ULTIMATE.start_main_~k~5 126), 153715#(<= ULTIMATE.start_main_~k~5 127), 153712#(<= ULTIMATE.start_main_~k~5 124), 153713#(<= ULTIMATE.start_main_~k~5 125), 153718#(<= ULTIMATE.start_main_~k~5 130), 153719#(<= ULTIMATE.start_main_~k~5 131), 153716#(<= ULTIMATE.start_main_~k~5 128), 153717#(<= ULTIMATE.start_main_~k~5 129), 153722#(<= ULTIMATE.start_main_~k~5 134), 153723#(<= ULTIMATE.start_main_~k~5 135), 153720#(<= ULTIMATE.start_main_~k~5 132), 153721#(<= ULTIMATE.start_main_~k~5 133), 153726#(<= ULTIMATE.start_main_~k~5 138), 153727#(<= ULTIMATE.start_main_~k~5 139), 153724#(<= ULTIMATE.start_main_~k~5 136), 153725#(<= ULTIMATE.start_main_~k~5 137), 153730#(<= ULTIMATE.start_main_~k~5 142), 153731#(<= ULTIMATE.start_main_~k~5 143), 153728#(<= ULTIMATE.start_main_~k~5 140), 153729#(<= ULTIMATE.start_main_~k~5 141), 153734#(<= ULTIMATE.start_main_~k~5 146), 153735#(<= ULTIMATE.start_main_~k~5 147), 153732#(<= ULTIMATE.start_main_~k~5 144), 153733#(<= ULTIMATE.start_main_~k~5 145), 153738#(<= ULTIMATE.start_main_~k~5 150), 153739#(<= ULTIMATE.start_main_~k~5 151), 153736#(<= ULTIMATE.start_main_~k~5 148), 153737#(<= ULTIMATE.start_main_~k~5 149), 153742#(<= ULTIMATE.start_main_~k~5 154), 153743#(<= ULTIMATE.start_main_~k~5 155), 153740#(<= ULTIMATE.start_main_~k~5 152), 153741#(<= ULTIMATE.start_main_~k~5 153), 153746#(<= ULTIMATE.start_main_~k~5 158), 153747#(<= ULTIMATE.start_main_~k~5 159), 153744#(<= ULTIMATE.start_main_~k~5 156), 153745#(<= ULTIMATE.start_main_~k~5 157), 153750#(<= ULTIMATE.start_main_~k~5 162), 153751#(<= ULTIMATE.start_main_~k~5 163), 153748#(<= ULTIMATE.start_main_~k~5 160), 153749#(<= ULTIMATE.start_main_~k~5 161), 153754#(<= ULTIMATE.start_main_~k~5 166), 153755#(<= ULTIMATE.start_main_~k~5 167), 153752#(<= ULTIMATE.start_main_~k~5 164), 153753#(<= ULTIMATE.start_main_~k~5 165), 153758#(<= ULTIMATE.start_main_~k~5 170), 153759#(<= ULTIMATE.start_main_~k~5 171), 153756#(<= ULTIMATE.start_main_~k~5 168), 153757#(<= ULTIMATE.start_main_~k~5 169), 153762#(<= ULTIMATE.start_main_~k~5 174), 153763#(<= ULTIMATE.start_main_~k~5 175), 153760#(<= ULTIMATE.start_main_~k~5 172), 153761#(<= ULTIMATE.start_main_~k~5 173), 153766#(<= ULTIMATE.start_main_~k~5 178), 153767#(<= ULTIMATE.start_main_~k~5 179), 153764#(<= ULTIMATE.start_main_~k~5 176), 153765#(<= ULTIMATE.start_main_~k~5 177), 153770#(<= ULTIMATE.start_main_~k~5 182), 153771#(<= ULTIMATE.start_main_~k~5 183), 153768#(<= ULTIMATE.start_main_~k~5 180), 153769#(<= ULTIMATE.start_main_~k~5 181), 153774#(<= ULTIMATE.start_main_~k~5 186), 153775#(<= ULTIMATE.start_main_~k~5 187), 153772#(<= ULTIMATE.start_main_~k~5 184), 153773#(<= ULTIMATE.start_main_~k~5 185), 153778#(<= ULTIMATE.start_main_~k~5 190), 153779#(<= ULTIMATE.start_main_~k~5 191), 153776#(<= ULTIMATE.start_main_~k~5 188), 153777#(<= ULTIMATE.start_main_~k~5 189), 153782#(<= ULTIMATE.start_main_~k~5 194), 153783#(<= ULTIMATE.start_main_~k~5 195), 153780#(<= ULTIMATE.start_main_~k~5 192), 153781#(<= ULTIMATE.start_main_~k~5 193), 153786#(<= ULTIMATE.start_main_~k~5 198), 153787#(<= ULTIMATE.start_main_~k~5 199), 153784#(<= ULTIMATE.start_main_~k~5 196), 153785#(<= ULTIMATE.start_main_~k~5 197), 153790#(<= ULTIMATE.start_main_~k~5 202), 153791#(<= ULTIMATE.start_main_~k~5 203), 153788#(<= ULTIMATE.start_main_~k~5 200), 153789#(<= ULTIMATE.start_main_~k~5 201), 153794#(<= ULTIMATE.start_main_~k~5 206), 153795#(<= ULTIMATE.start_main_~k~5 207), 153792#(<= ULTIMATE.start_main_~k~5 204), 153793#(<= ULTIMATE.start_main_~k~5 205), 153798#(<= ULTIMATE.start_main_~k~5 210), 153799#(<= ULTIMATE.start_main_~k~5 211), 153796#(<= ULTIMATE.start_main_~k~5 208), 153797#(<= ULTIMATE.start_main_~k~5 209), 153802#(<= ULTIMATE.start_main_~k~5 214), 153803#(<= ULTIMATE.start_main_~k~5 215), 153800#(<= ULTIMATE.start_main_~k~5 212), 153801#(<= ULTIMATE.start_main_~k~5 213), 153806#(<= ULTIMATE.start_main_~k~5 218), 153807#(<= ULTIMATE.start_main_~k~5 219), 153804#(<= ULTIMATE.start_main_~k~5 216), 153805#(<= ULTIMATE.start_main_~k~5 217), 153810#(<= ULTIMATE.start_main_~k~5 222), 153811#(<= ULTIMATE.start_main_~k~5 223), 153808#(<= ULTIMATE.start_main_~k~5 220), 153809#(<= ULTIMATE.start_main_~k~5 221), 153814#(<= ULTIMATE.start_main_~k~5 226), 153815#(<= ULTIMATE.start_main_~k~5 227), 153812#(<= ULTIMATE.start_main_~k~5 224), 153813#(<= ULTIMATE.start_main_~k~5 225), 153818#(<= ULTIMATE.start_main_~k~5 230), 153819#(<= ULTIMATE.start_main_~k~5 231), 153816#(<= ULTIMATE.start_main_~k~5 228), 153817#(<= ULTIMATE.start_main_~k~5 229), 153822#(<= ULTIMATE.start_main_~k~5 234), 153823#(<= ULTIMATE.start_main_~k~5 235), 153820#(<= ULTIMATE.start_main_~k~5 232), 153821#(<= ULTIMATE.start_main_~k~5 233), 153826#(<= ULTIMATE.start_main_~k~5 238), 153827#(<= ULTIMATE.start_main_~k~5 239), 153824#(<= ULTIMATE.start_main_~k~5 236), 153825#(<= ULTIMATE.start_main_~k~5 237), 153830#(<= ULTIMATE.start_main_~k~5 242), 153831#(<= ULTIMATE.start_main_~k~5 243), 153828#(<= ULTIMATE.start_main_~k~5 240), 153829#(<= ULTIMATE.start_main_~k~5 241), 153586#true, 153587#false, 153590#(<= ULTIMATE.start_main_~k~5 2), 153591#(<= ULTIMATE.start_main_~k~5 3), 153588#(<= ULTIMATE.start_main_~k~5 0), 153589#(<= ULTIMATE.start_main_~k~5 1), 153594#(<= ULTIMATE.start_main_~k~5 6), 153595#(<= ULTIMATE.start_main_~k~5 7), 153592#(<= ULTIMATE.start_main_~k~5 4), 153593#(<= ULTIMATE.start_main_~k~5 5), 153598#(<= ULTIMATE.start_main_~k~5 10), 153599#(<= ULTIMATE.start_main_~k~5 11), 153596#(<= ULTIMATE.start_main_~k~5 8), 153597#(<= ULTIMATE.start_main_~k~5 9)] [2018-07-23 13:44:33,016 INFO L134 CoverageAnalysis]: Checked inductivity of 29646 backedges. 0 proven. 29646 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2018-07-23 13:44:33,016 INFO L450 AbstractCegarLoop]: Interpolant automaton has 246 states [2018-07-23 13:44:33,020 INFO L132 InterpolantAutomaton]: Constructing interpolant automaton starting with 246 interpolants. [2018-07-23 13:44:33,023 INFO L133 InterpolantAutomaton]: CoverageRelationStatistics Valid=30135, Invalid=30135, Unknown=0, NotChecked=0, Total=60270 [2018-07-23 13:44:33,023 INFO L87 Difference]: Start difference. First operand 247 states and 247 transitions. Second operand 246 states. [2018-07-23 13:44:35,140 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2018-07-23 13:44:35,141 INFO L93 Difference]: Finished difference Result 250 states and 250 transitions. [2018-07-23 13:44:35,141 INFO L142 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 246 states. [2018-07-23 13:44:35,141 INFO L78 Accepts]: Start accepts. Automaton has 246 states. Word has length 246 [2018-07-23 13:44:35,141 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2018-07-23 13:44:35,141 INFO L225 Difference]: With dead ends: 250 [2018-07-23 13:44:35,141 INFO L226 Difference]: Without dead ends: 248 [2018-07-23 13:44:35,144 INFO L575 BasicCegarLoop]: 0 DeclaredPredicates, 245 GetRequests, 1 SyntacticMatches, 0 SemanticMatches, 244 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 0 ImplicationChecksByTransitivity, 1.4s TimeCoverageRelationStatistics Valid=30135, Invalid=30135, Unknown=0, NotChecked=0, Total=60270 [2018-07-23 13:44:35,145 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 248 states. [2018-07-23 13:44:35,147 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 248 to 248. [2018-07-23 13:44:35,147 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 248 states. [2018-07-23 13:44:35,147 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 248 states to 248 states and 248 transitions. [2018-07-23 13:44:35,147 INFO L78 Accepts]: Start accepts. Automaton has 248 states and 248 transitions. Word has length 246 [2018-07-23 13:44:35,148 INFO L84 Accepts]: Finished accepts. word is rejected. [2018-07-23 13:44:35,148 INFO L471 AbstractCegarLoop]: Abstraction has 248 states and 248 transitions. [2018-07-23 13:44:35,148 INFO L472 AbstractCegarLoop]: Interpolant automaton has 246 states. [2018-07-23 13:44:35,148 INFO L276 IsEmpty]: Start isEmpty. Operand 248 states and 248 transitions. [2018-07-23 13:44:35,148 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 248 [2018-07-23 13:44:35,148 INFO L349 BasicCegarLoop]: Found error trace [2018-07-23 13:44:35,148 INFO L357 BasicCegarLoop]: trace histogram [244, 1, 1, 1] [2018-07-23 13:44:35,149 INFO L414 AbstractCegarLoop]: === Iteration 245 === [ULTIMATE.startErr0AssertViolationASSERT]=== [2018-07-23 13:44:35,149 INFO L82 PathProgramCache]: Analyzing trace with hash -340369407, now seen corresponding path program 244 times [2018-07-23 13:44:35,149 INFO L69 tionRefinementEngine]: Using refinement strategy FixedRefinementStrategy [2018-07-23 13:44:35,328 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-07-23 13:44:36,841 INFO L134 CoverageAnalysis]: Checked inductivity of 29890 backedges. 0 proven. 29890 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2018-07-23 13:44:36,841 INFO L309 seRefinementStrategy]: Constructing automaton from 0 perfect and 1 imperfect interpolant sequences. [2018-07-23 13:44:36,841 INFO L324 seRefinementStrategy]: Number of different interpolants: perfect sequences [] imperfect sequences [246] total 246 [2018-07-23 13:44:36,841 INFO L142 lantAutomatonBuilder]: Constructing canonical interpolant automaton, with selfloop in false state [2018-07-23 13:44:36,842 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2018-07-23 13:44:36,842 INFO L185 omatonBuilderFactory]: Interpolants [154830#(<= ULTIMATE.start_main_~k~5 0), 154831#(<= ULTIMATE.start_main_~k~5 1), 154828#true, 154829#false, 154834#(<= ULTIMATE.start_main_~k~5 4), 154835#(<= ULTIMATE.start_main_~k~5 5), 154832#(<= ULTIMATE.start_main_~k~5 2), 154833#(<= ULTIMATE.start_main_~k~5 3), 154838#(<= ULTIMATE.start_main_~k~5 8), 154839#(<= ULTIMATE.start_main_~k~5 9), 154836#(<= ULTIMATE.start_main_~k~5 6), 154837#(<= ULTIMATE.start_main_~k~5 7), 154842#(<= ULTIMATE.start_main_~k~5 12), 154843#(<= ULTIMATE.start_main_~k~5 13), 154840#(<= ULTIMATE.start_main_~k~5 10), 154841#(<= ULTIMATE.start_main_~k~5 11), 154846#(<= ULTIMATE.start_main_~k~5 16), 154847#(<= ULTIMATE.start_main_~k~5 17), 154844#(<= ULTIMATE.start_main_~k~5 14), 154845#(<= ULTIMATE.start_main_~k~5 15), 154850#(<= ULTIMATE.start_main_~k~5 20), 154851#(<= ULTIMATE.start_main_~k~5 21), 154848#(<= ULTIMATE.start_main_~k~5 18), 154849#(<= ULTIMATE.start_main_~k~5 19), 154854#(<= ULTIMATE.start_main_~k~5 24), 154855#(<= ULTIMATE.start_main_~k~5 25), 154852#(<= ULTIMATE.start_main_~k~5 22), 154853#(<= ULTIMATE.start_main_~k~5 23), 154858#(<= ULTIMATE.start_main_~k~5 28), 154859#(<= ULTIMATE.start_main_~k~5 29), 154856#(<= ULTIMATE.start_main_~k~5 26), 154857#(<= ULTIMATE.start_main_~k~5 27), 154862#(<= ULTIMATE.start_main_~k~5 32), 154863#(<= ULTIMATE.start_main_~k~5 33), 154860#(<= ULTIMATE.start_main_~k~5 30), 154861#(<= ULTIMATE.start_main_~k~5 31), 154866#(<= ULTIMATE.start_main_~k~5 36), 154867#(<= ULTIMATE.start_main_~k~5 37), 154864#(<= ULTIMATE.start_main_~k~5 34), 154865#(<= ULTIMATE.start_main_~k~5 35), 154870#(<= ULTIMATE.start_main_~k~5 40), 154871#(<= ULTIMATE.start_main_~k~5 41), 154868#(<= ULTIMATE.start_main_~k~5 38), 154869#(<= ULTIMATE.start_main_~k~5 39), 154874#(<= ULTIMATE.start_main_~k~5 44), 154875#(<= ULTIMATE.start_main_~k~5 45), 154872#(<= ULTIMATE.start_main_~k~5 42), 154873#(<= ULTIMATE.start_main_~k~5 43), 154878#(<= ULTIMATE.start_main_~k~5 48), 154879#(<= ULTIMATE.start_main_~k~5 49), 154876#(<= ULTIMATE.start_main_~k~5 46), 154877#(<= ULTIMATE.start_main_~k~5 47), 154882#(<= ULTIMATE.start_main_~k~5 52), 154883#(<= ULTIMATE.start_main_~k~5 53), 154880#(<= ULTIMATE.start_main_~k~5 50), 154881#(<= ULTIMATE.start_main_~k~5 51), 154886#(<= ULTIMATE.start_main_~k~5 56), 154887#(<= ULTIMATE.start_main_~k~5 57), 154884#(<= ULTIMATE.start_main_~k~5 54), 154885#(<= ULTIMATE.start_main_~k~5 55), 154890#(<= ULTIMATE.start_main_~k~5 60), 154891#(<= ULTIMATE.start_main_~k~5 61), 154888#(<= ULTIMATE.start_main_~k~5 58), 154889#(<= ULTIMATE.start_main_~k~5 59), 154894#(<= ULTIMATE.start_main_~k~5 64), 154895#(<= ULTIMATE.start_main_~k~5 65), 154892#(<= ULTIMATE.start_main_~k~5 62), 154893#(<= ULTIMATE.start_main_~k~5 63), 154898#(<= ULTIMATE.start_main_~k~5 68), 154899#(<= ULTIMATE.start_main_~k~5 69), 154896#(<= ULTIMATE.start_main_~k~5 66), 154897#(<= ULTIMATE.start_main_~k~5 67), 154902#(<= ULTIMATE.start_main_~k~5 72), 154903#(<= ULTIMATE.start_main_~k~5 73), 154900#(<= ULTIMATE.start_main_~k~5 70), 154901#(<= ULTIMATE.start_main_~k~5 71), 154906#(<= ULTIMATE.start_main_~k~5 76), 154907#(<= ULTIMATE.start_main_~k~5 77), 154904#(<= ULTIMATE.start_main_~k~5 74), 154905#(<= ULTIMATE.start_main_~k~5 75), 154910#(<= ULTIMATE.start_main_~k~5 80), 154911#(<= ULTIMATE.start_main_~k~5 81), 154908#(<= ULTIMATE.start_main_~k~5 78), 154909#(<= ULTIMATE.start_main_~k~5 79), 154914#(<= ULTIMATE.start_main_~k~5 84), 154915#(<= ULTIMATE.start_main_~k~5 85), 154912#(<= ULTIMATE.start_main_~k~5 82), 154913#(<= ULTIMATE.start_main_~k~5 83), 154918#(<= ULTIMATE.start_main_~k~5 88), 154919#(<= ULTIMATE.start_main_~k~5 89), 154916#(<= ULTIMATE.start_main_~k~5 86), 154917#(<= ULTIMATE.start_main_~k~5 87), 154922#(<= ULTIMATE.start_main_~k~5 92), 154923#(<= ULTIMATE.start_main_~k~5 93), 154920#(<= ULTIMATE.start_main_~k~5 90), 154921#(<= ULTIMATE.start_main_~k~5 91), 154926#(<= ULTIMATE.start_main_~k~5 96), 154927#(<= ULTIMATE.start_main_~k~5 97), 154924#(<= ULTIMATE.start_main_~k~5 94), 154925#(<= ULTIMATE.start_main_~k~5 95), 154930#(<= ULTIMATE.start_main_~k~5 100), 154931#(<= ULTIMATE.start_main_~k~5 101), 154928#(<= ULTIMATE.start_main_~k~5 98), 154929#(<= ULTIMATE.start_main_~k~5 99), 154934#(<= ULTIMATE.start_main_~k~5 104), 154935#(<= ULTIMATE.start_main_~k~5 105), 154932#(<= ULTIMATE.start_main_~k~5 102), 154933#(<= ULTIMATE.start_main_~k~5 103), 154938#(<= ULTIMATE.start_main_~k~5 108), 154939#(<= ULTIMATE.start_main_~k~5 109), 154936#(<= ULTIMATE.start_main_~k~5 106), 154937#(<= ULTIMATE.start_main_~k~5 107), 154942#(<= ULTIMATE.start_main_~k~5 112), 154943#(<= ULTIMATE.start_main_~k~5 113), 154940#(<= ULTIMATE.start_main_~k~5 110), 154941#(<= ULTIMATE.start_main_~k~5 111), 154946#(<= ULTIMATE.start_main_~k~5 116), 154947#(<= ULTIMATE.start_main_~k~5 117), 154944#(<= ULTIMATE.start_main_~k~5 114), 154945#(<= ULTIMATE.start_main_~k~5 115), 154950#(<= ULTIMATE.start_main_~k~5 120), 154951#(<= ULTIMATE.start_main_~k~5 121), 154948#(<= ULTIMATE.start_main_~k~5 118), 154949#(<= ULTIMATE.start_main_~k~5 119), 154954#(<= ULTIMATE.start_main_~k~5 124), 154955#(<= ULTIMATE.start_main_~k~5 125), 154952#(<= ULTIMATE.start_main_~k~5 122), 154953#(<= ULTIMATE.start_main_~k~5 123), 154958#(<= ULTIMATE.start_main_~k~5 128), 154959#(<= ULTIMATE.start_main_~k~5 129), 154956#(<= ULTIMATE.start_main_~k~5 126), 154957#(<= ULTIMATE.start_main_~k~5 127), 154962#(<= ULTIMATE.start_main_~k~5 132), 154963#(<= ULTIMATE.start_main_~k~5 133), 154960#(<= ULTIMATE.start_main_~k~5 130), 154961#(<= ULTIMATE.start_main_~k~5 131), 154966#(<= ULTIMATE.start_main_~k~5 136), 154967#(<= ULTIMATE.start_main_~k~5 137), 154964#(<= ULTIMATE.start_main_~k~5 134), 154965#(<= ULTIMATE.start_main_~k~5 135), 154970#(<= ULTIMATE.start_main_~k~5 140), 154971#(<= ULTIMATE.start_main_~k~5 141), 154968#(<= ULTIMATE.start_main_~k~5 138), 154969#(<= ULTIMATE.start_main_~k~5 139), 154974#(<= ULTIMATE.start_main_~k~5 144), 154975#(<= ULTIMATE.start_main_~k~5 145), 154972#(<= ULTIMATE.start_main_~k~5 142), 154973#(<= ULTIMATE.start_main_~k~5 143), 154978#(<= ULTIMATE.start_main_~k~5 148), 154979#(<= ULTIMATE.start_main_~k~5 149), 154976#(<= ULTIMATE.start_main_~k~5 146), 154977#(<= ULTIMATE.start_main_~k~5 147), 154982#(<= ULTIMATE.start_main_~k~5 152), 154983#(<= ULTIMATE.start_main_~k~5 153), 154980#(<= ULTIMATE.start_main_~k~5 150), 154981#(<= ULTIMATE.start_main_~k~5 151), 154986#(<= ULTIMATE.start_main_~k~5 156), 154987#(<= ULTIMATE.start_main_~k~5 157), 154984#(<= ULTIMATE.start_main_~k~5 154), 154985#(<= ULTIMATE.start_main_~k~5 155), 154990#(<= ULTIMATE.start_main_~k~5 160), 154991#(<= ULTIMATE.start_main_~k~5 161), 154988#(<= ULTIMATE.start_main_~k~5 158), 154989#(<= ULTIMATE.start_main_~k~5 159), 154994#(<= ULTIMATE.start_main_~k~5 164), 154995#(<= ULTIMATE.start_main_~k~5 165), 154992#(<= ULTIMATE.start_main_~k~5 162), 154993#(<= ULTIMATE.start_main_~k~5 163), 154998#(<= ULTIMATE.start_main_~k~5 168), 154999#(<= ULTIMATE.start_main_~k~5 169), 154996#(<= ULTIMATE.start_main_~k~5 166), 154997#(<= ULTIMATE.start_main_~k~5 167), 155002#(<= ULTIMATE.start_main_~k~5 172), 155003#(<= ULTIMATE.start_main_~k~5 173), 155000#(<= ULTIMATE.start_main_~k~5 170), 155001#(<= ULTIMATE.start_main_~k~5 171), 155006#(<= ULTIMATE.start_main_~k~5 176), 155007#(<= ULTIMATE.start_main_~k~5 177), 155004#(<= ULTIMATE.start_main_~k~5 174), 155005#(<= ULTIMATE.start_main_~k~5 175), 155010#(<= ULTIMATE.start_main_~k~5 180), 155011#(<= ULTIMATE.start_main_~k~5 181), 155008#(<= ULTIMATE.start_main_~k~5 178), 155009#(<= ULTIMATE.start_main_~k~5 179), 155014#(<= ULTIMATE.start_main_~k~5 184), 155015#(<= ULTIMATE.start_main_~k~5 185), 155012#(<= ULTIMATE.start_main_~k~5 182), 155013#(<= ULTIMATE.start_main_~k~5 183), 155018#(<= ULTIMATE.start_main_~k~5 188), 155019#(<= ULTIMATE.start_main_~k~5 189), 155016#(<= ULTIMATE.start_main_~k~5 186), 155017#(<= ULTIMATE.start_main_~k~5 187), 155022#(<= ULTIMATE.start_main_~k~5 192), 155023#(<= ULTIMATE.start_main_~k~5 193), 155020#(<= ULTIMATE.start_main_~k~5 190), 155021#(<= ULTIMATE.start_main_~k~5 191), 155026#(<= ULTIMATE.start_main_~k~5 196), 155027#(<= ULTIMATE.start_main_~k~5 197), 155024#(<= ULTIMATE.start_main_~k~5 194), 155025#(<= ULTIMATE.start_main_~k~5 195), 155030#(<= ULTIMATE.start_main_~k~5 200), 155031#(<= ULTIMATE.start_main_~k~5 201), 155028#(<= ULTIMATE.start_main_~k~5 198), 155029#(<= ULTIMATE.start_main_~k~5 199), 155034#(<= ULTIMATE.start_main_~k~5 204), 155035#(<= ULTIMATE.start_main_~k~5 205), 155032#(<= ULTIMATE.start_main_~k~5 202), 155033#(<= ULTIMATE.start_main_~k~5 203), 155038#(<= ULTIMATE.start_main_~k~5 208), 155039#(<= ULTIMATE.start_main_~k~5 209), 155036#(<= ULTIMATE.start_main_~k~5 206), 155037#(<= ULTIMATE.start_main_~k~5 207), 155042#(<= ULTIMATE.start_main_~k~5 212), 155043#(<= ULTIMATE.start_main_~k~5 213), 155040#(<= ULTIMATE.start_main_~k~5 210), 155041#(<= ULTIMATE.start_main_~k~5 211), 155046#(<= ULTIMATE.start_main_~k~5 216), 155047#(<= ULTIMATE.start_main_~k~5 217), 155044#(<= ULTIMATE.start_main_~k~5 214), 155045#(<= ULTIMATE.start_main_~k~5 215), 155050#(<= ULTIMATE.start_main_~k~5 220), 155051#(<= ULTIMATE.start_main_~k~5 221), 155048#(<= ULTIMATE.start_main_~k~5 218), 155049#(<= ULTIMATE.start_main_~k~5 219), 155054#(<= ULTIMATE.start_main_~k~5 224), 155055#(<= ULTIMATE.start_main_~k~5 225), 155052#(<= ULTIMATE.start_main_~k~5 222), 155053#(<= ULTIMATE.start_main_~k~5 223), 155058#(<= ULTIMATE.start_main_~k~5 228), 155059#(<= ULTIMATE.start_main_~k~5 229), 155056#(<= ULTIMATE.start_main_~k~5 226), 155057#(<= ULTIMATE.start_main_~k~5 227), 155062#(<= ULTIMATE.start_main_~k~5 232), 155063#(<= ULTIMATE.start_main_~k~5 233), 155060#(<= ULTIMATE.start_main_~k~5 230), 155061#(<= ULTIMATE.start_main_~k~5 231), 155066#(<= ULTIMATE.start_main_~k~5 236), 155067#(<= ULTIMATE.start_main_~k~5 237), 155064#(<= ULTIMATE.start_main_~k~5 234), 155065#(<= ULTIMATE.start_main_~k~5 235), 155070#(<= ULTIMATE.start_main_~k~5 240), 155071#(<= ULTIMATE.start_main_~k~5 241), 155068#(<= ULTIMATE.start_main_~k~5 238), 155069#(<= ULTIMATE.start_main_~k~5 239), 155074#(<= ULTIMATE.start_main_~k~5 244), 155072#(<= ULTIMATE.start_main_~k~5 242), 155073#(<= ULTIMATE.start_main_~k~5 243)] [2018-07-23 13:44:36,843 INFO L134 CoverageAnalysis]: Checked inductivity of 29890 backedges. 0 proven. 29890 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2018-07-23 13:44:36,843 INFO L450 AbstractCegarLoop]: Interpolant automaton has 247 states [2018-07-23 13:44:36,845 INFO L132 InterpolantAutomaton]: Constructing interpolant automaton starting with 247 interpolants. [2018-07-23 13:44:36,846 INFO L133 InterpolantAutomaton]: CoverageRelationStatistics Valid=30381, Invalid=30381, Unknown=0, NotChecked=0, Total=60762 [2018-07-23 13:44:36,846 INFO L87 Difference]: Start difference. First operand 248 states and 248 transitions. Second operand 247 states. [2018-07-23 13:44:38,486 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2018-07-23 13:44:38,486 INFO L93 Difference]: Finished difference Result 251 states and 251 transitions. [2018-07-23 13:44:38,486 INFO L142 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 247 states. [2018-07-23 13:44:38,486 INFO L78 Accepts]: Start accepts. Automaton has 247 states. Word has length 247 [2018-07-23 13:44:38,487 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2018-07-23 13:44:38,487 INFO L225 Difference]: With dead ends: 251 [2018-07-23 13:44:38,487 INFO L226 Difference]: Without dead ends: 249 [2018-07-23 13:44:38,488 INFO L575 BasicCegarLoop]: 0 DeclaredPredicates, 246 GetRequests, 1 SyntacticMatches, 0 SemanticMatches, 245 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 0 ImplicationChecksByTransitivity, 1.3s TimeCoverageRelationStatistics Valid=30381, Invalid=30381, Unknown=0, NotChecked=0, Total=60762 [2018-07-23 13:44:38,489 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 249 states. [2018-07-23 13:44:38,492 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 249 to 249. [2018-07-23 13:44:38,492 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 249 states. [2018-07-23 13:44:38,492 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 249 states to 249 states and 249 transitions. [2018-07-23 13:44:38,492 INFO L78 Accepts]: Start accepts. Automaton has 249 states and 249 transitions. Word has length 247 [2018-07-23 13:44:38,493 INFO L84 Accepts]: Finished accepts. word is rejected. [2018-07-23 13:44:38,493 INFO L471 AbstractCegarLoop]: Abstraction has 249 states and 249 transitions. [2018-07-23 13:44:38,493 INFO L472 AbstractCegarLoop]: Interpolant automaton has 247 states. [2018-07-23 13:44:38,493 INFO L276 IsEmpty]: Start isEmpty. Operand 249 states and 249 transitions. [2018-07-23 13:44:38,494 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 249 [2018-07-23 13:44:38,494 INFO L349 BasicCegarLoop]: Found error trace [2018-07-23 13:44:38,494 INFO L357 BasicCegarLoop]: trace histogram [245, 1, 1, 1] [2018-07-23 13:44:38,494 INFO L414 AbstractCegarLoop]: === Iteration 246 === [ULTIMATE.startErr0AssertViolationASSERT]=== [2018-07-23 13:44:38,494 INFO L82 PathProgramCache]: Analyzing trace with hash -1961519000, now seen corresponding path program 245 times [2018-07-23 13:44:38,495 INFO L69 tionRefinementEngine]: Using refinement strategy FixedRefinementStrategy [2018-07-23 13:44:38,675 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-07-23 13:44:40,125 INFO L134 CoverageAnalysis]: Checked inductivity of 30135 backedges. 0 proven. 30135 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2018-07-23 13:44:40,125 INFO L309 seRefinementStrategy]: Constructing automaton from 0 perfect and 1 imperfect interpolant sequences. [2018-07-23 13:44:40,125 INFO L324 seRefinementStrategy]: Number of different interpolants: perfect sequences [] imperfect sequences [247] total 247 [2018-07-23 13:44:40,125 INFO L142 lantAutomatonBuilder]: Constructing canonical interpolant automaton, with selfloop in false state [2018-07-23 13:44:40,125 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 13:44:40,126 INFO L185 omatonBuilderFactory]: Interpolants [156162#(<= ULTIMATE.start_main_~k~5 85), 156163#(<= ULTIMATE.start_main_~k~5 86), 156160#(<= ULTIMATE.start_main_~k~5 83), 156161#(<= ULTIMATE.start_main_~k~5 84), 156166#(<= ULTIMATE.start_main_~k~5 89), 156167#(<= ULTIMATE.start_main_~k~5 90), 156164#(<= ULTIMATE.start_main_~k~5 87), 156165#(<= ULTIMATE.start_main_~k~5 88), 156170#(<= ULTIMATE.start_main_~k~5 93), 156171#(<= ULTIMATE.start_main_~k~5 94), 156168#(<= ULTIMATE.start_main_~k~5 91), 156169#(<= ULTIMATE.start_main_~k~5 92), 156174#(<= ULTIMATE.start_main_~k~5 97), 156175#(<= ULTIMATE.start_main_~k~5 98), 156172#(<= ULTIMATE.start_main_~k~5 95), 156173#(<= ULTIMATE.start_main_~k~5 96), 156178#(<= ULTIMATE.start_main_~k~5 101), 156179#(<= ULTIMATE.start_main_~k~5 102), 156176#(<= ULTIMATE.start_main_~k~5 99), 156177#(<= ULTIMATE.start_main_~k~5 100), 156182#(<= ULTIMATE.start_main_~k~5 105), 156183#(<= ULTIMATE.start_main_~k~5 106), 156180#(<= ULTIMATE.start_main_~k~5 103), 156181#(<= ULTIMATE.start_main_~k~5 104), 156186#(<= ULTIMATE.start_main_~k~5 109), 156187#(<= ULTIMATE.start_main_~k~5 110), 156184#(<= ULTIMATE.start_main_~k~5 107), 156185#(<= ULTIMATE.start_main_~k~5 108), 156190#(<= ULTIMATE.start_main_~k~5 113), 156191#(<= ULTIMATE.start_main_~k~5 114), 156188#(<= ULTIMATE.start_main_~k~5 111), 156189#(<= ULTIMATE.start_main_~k~5 112), 156194#(<= ULTIMATE.start_main_~k~5 117), 156195#(<= ULTIMATE.start_main_~k~5 118), 156192#(<= ULTIMATE.start_main_~k~5 115), 156193#(<= ULTIMATE.start_main_~k~5 116), 156198#(<= ULTIMATE.start_main_~k~5 121), 156199#(<= ULTIMATE.start_main_~k~5 122), 156196#(<= ULTIMATE.start_main_~k~5 119), 156197#(<= ULTIMATE.start_main_~k~5 120), 156202#(<= ULTIMATE.start_main_~k~5 125), 156203#(<= ULTIMATE.start_main_~k~5 126), 156200#(<= ULTIMATE.start_main_~k~5 123), 156201#(<= ULTIMATE.start_main_~k~5 124), 156206#(<= ULTIMATE.start_main_~k~5 129), 156207#(<= ULTIMATE.start_main_~k~5 130), 156204#(<= ULTIMATE.start_main_~k~5 127), 156205#(<= ULTIMATE.start_main_~k~5 128), 156210#(<= ULTIMATE.start_main_~k~5 133), 156211#(<= ULTIMATE.start_main_~k~5 134), 156208#(<= ULTIMATE.start_main_~k~5 131), 156209#(<= ULTIMATE.start_main_~k~5 132), 156214#(<= ULTIMATE.start_main_~k~5 137), 156215#(<= ULTIMATE.start_main_~k~5 138), 156212#(<= ULTIMATE.start_main_~k~5 135), 156213#(<= ULTIMATE.start_main_~k~5 136), 156218#(<= ULTIMATE.start_main_~k~5 141), 156219#(<= ULTIMATE.start_main_~k~5 142), 156216#(<= ULTIMATE.start_main_~k~5 139), 156217#(<= ULTIMATE.start_main_~k~5 140), 156222#(<= ULTIMATE.start_main_~k~5 145), 156223#(<= ULTIMATE.start_main_~k~5 146), 156220#(<= ULTIMATE.start_main_~k~5 143), 156221#(<= ULTIMATE.start_main_~k~5 144), 156226#(<= ULTIMATE.start_main_~k~5 149), 156227#(<= ULTIMATE.start_main_~k~5 150), 156224#(<= ULTIMATE.start_main_~k~5 147), 156225#(<= ULTIMATE.start_main_~k~5 148), 156230#(<= ULTIMATE.start_main_~k~5 153), 156231#(<= ULTIMATE.start_main_~k~5 154), 156228#(<= ULTIMATE.start_main_~k~5 151), 156229#(<= ULTIMATE.start_main_~k~5 152), 156234#(<= ULTIMATE.start_main_~k~5 157), 156235#(<= ULTIMATE.start_main_~k~5 158), 156232#(<= ULTIMATE.start_main_~k~5 155), 156233#(<= ULTIMATE.start_main_~k~5 156), 156238#(<= ULTIMATE.start_main_~k~5 161), 156239#(<= ULTIMATE.start_main_~k~5 162), 156236#(<= ULTIMATE.start_main_~k~5 159), 156237#(<= ULTIMATE.start_main_~k~5 160), 156242#(<= ULTIMATE.start_main_~k~5 165), 156243#(<= ULTIMATE.start_main_~k~5 166), 156240#(<= ULTIMATE.start_main_~k~5 163), 156241#(<= ULTIMATE.start_main_~k~5 164), 156246#(<= ULTIMATE.start_main_~k~5 169), 156247#(<= ULTIMATE.start_main_~k~5 170), 156244#(<= ULTIMATE.start_main_~k~5 167), 156245#(<= ULTIMATE.start_main_~k~5 168), 156250#(<= ULTIMATE.start_main_~k~5 173), 156251#(<= ULTIMATE.start_main_~k~5 174), 156248#(<= ULTIMATE.start_main_~k~5 171), 156249#(<= ULTIMATE.start_main_~k~5 172), 156254#(<= ULTIMATE.start_main_~k~5 177), 156255#(<= ULTIMATE.start_main_~k~5 178), 156252#(<= ULTIMATE.start_main_~k~5 175), 156253#(<= ULTIMATE.start_main_~k~5 176), 156258#(<= ULTIMATE.start_main_~k~5 181), 156259#(<= ULTIMATE.start_main_~k~5 182), 156256#(<= ULTIMATE.start_main_~k~5 179), 156257#(<= ULTIMATE.start_main_~k~5 180), 156262#(<= ULTIMATE.start_main_~k~5 185), 156263#(<= ULTIMATE.start_main_~k~5 186), 156260#(<= ULTIMATE.start_main_~k~5 183), 156261#(<= ULTIMATE.start_main_~k~5 184), 156266#(<= ULTIMATE.start_main_~k~5 189), 156267#(<= ULTIMATE.start_main_~k~5 190), 156264#(<= ULTIMATE.start_main_~k~5 187), 156265#(<= ULTIMATE.start_main_~k~5 188), 156270#(<= ULTIMATE.start_main_~k~5 193), 156271#(<= ULTIMATE.start_main_~k~5 194), 156268#(<= ULTIMATE.start_main_~k~5 191), 156269#(<= ULTIMATE.start_main_~k~5 192), 156274#(<= ULTIMATE.start_main_~k~5 197), 156275#(<= ULTIMATE.start_main_~k~5 198), 156272#(<= ULTIMATE.start_main_~k~5 195), 156273#(<= ULTIMATE.start_main_~k~5 196), 156278#(<= ULTIMATE.start_main_~k~5 201), 156279#(<= ULTIMATE.start_main_~k~5 202), 156276#(<= ULTIMATE.start_main_~k~5 199), 156277#(<= ULTIMATE.start_main_~k~5 200), 156282#(<= ULTIMATE.start_main_~k~5 205), 156283#(<= ULTIMATE.start_main_~k~5 206), 156280#(<= ULTIMATE.start_main_~k~5 203), 156281#(<= ULTIMATE.start_main_~k~5 204), 156286#(<= ULTIMATE.start_main_~k~5 209), 156287#(<= ULTIMATE.start_main_~k~5 210), 156284#(<= ULTIMATE.start_main_~k~5 207), 156285#(<= ULTIMATE.start_main_~k~5 208), 156290#(<= ULTIMATE.start_main_~k~5 213), 156291#(<= ULTIMATE.start_main_~k~5 214), 156288#(<= ULTIMATE.start_main_~k~5 211), 156289#(<= ULTIMATE.start_main_~k~5 212), 156294#(<= ULTIMATE.start_main_~k~5 217), 156295#(<= ULTIMATE.start_main_~k~5 218), 156292#(<= ULTIMATE.start_main_~k~5 215), 156293#(<= ULTIMATE.start_main_~k~5 216), 156298#(<= ULTIMATE.start_main_~k~5 221), 156299#(<= ULTIMATE.start_main_~k~5 222), 156296#(<= ULTIMATE.start_main_~k~5 219), 156297#(<= ULTIMATE.start_main_~k~5 220), 156302#(<= ULTIMATE.start_main_~k~5 225), 156303#(<= ULTIMATE.start_main_~k~5 226), 156300#(<= ULTIMATE.start_main_~k~5 223), 156301#(<= ULTIMATE.start_main_~k~5 224), 156306#(<= ULTIMATE.start_main_~k~5 229), 156307#(<= ULTIMATE.start_main_~k~5 230), 156304#(<= ULTIMATE.start_main_~k~5 227), 156305#(<= ULTIMATE.start_main_~k~5 228), 156310#(<= ULTIMATE.start_main_~k~5 233), 156311#(<= ULTIMATE.start_main_~k~5 234), 156308#(<= ULTIMATE.start_main_~k~5 231), 156309#(<= ULTIMATE.start_main_~k~5 232), 156314#(<= ULTIMATE.start_main_~k~5 237), 156315#(<= ULTIMATE.start_main_~k~5 238), 156312#(<= ULTIMATE.start_main_~k~5 235), 156313#(<= ULTIMATE.start_main_~k~5 236), 156318#(<= ULTIMATE.start_main_~k~5 241), 156319#(<= ULTIMATE.start_main_~k~5 242), 156316#(<= ULTIMATE.start_main_~k~5 239), 156317#(<= ULTIMATE.start_main_~k~5 240), 156322#(<= ULTIMATE.start_main_~k~5 245), 156320#(<= ULTIMATE.start_main_~k~5 243), 156321#(<= ULTIMATE.start_main_~k~5 244), 156075#true, 156078#(<= ULTIMATE.start_main_~k~5 1), 156079#(<= ULTIMATE.start_main_~k~5 2), 156076#false, 156077#(<= ULTIMATE.start_main_~k~5 0), 156082#(<= ULTIMATE.start_main_~k~5 5), 156083#(<= ULTIMATE.start_main_~k~5 6), 156080#(<= ULTIMATE.start_main_~k~5 3), 156081#(<= ULTIMATE.start_main_~k~5 4), 156086#(<= ULTIMATE.start_main_~k~5 9), 156087#(<= ULTIMATE.start_main_~k~5 10), 156084#(<= ULTIMATE.start_main_~k~5 7), 156085#(<= ULTIMATE.start_main_~k~5 8), 156090#(<= ULTIMATE.start_main_~k~5 13), 156091#(<= ULTIMATE.start_main_~k~5 14), 156088#(<= ULTIMATE.start_main_~k~5 11), 156089#(<= ULTIMATE.start_main_~k~5 12), 156094#(<= ULTIMATE.start_main_~k~5 17), 156095#(<= ULTIMATE.start_main_~k~5 18), 156092#(<= ULTIMATE.start_main_~k~5 15), 156093#(<= ULTIMATE.start_main_~k~5 16), 156098#(<= ULTIMATE.start_main_~k~5 21), 156099#(<= ULTIMATE.start_main_~k~5 22), 156096#(<= ULTIMATE.start_main_~k~5 19), 156097#(<= ULTIMATE.start_main_~k~5 20), 156102#(<= ULTIMATE.start_main_~k~5 25), 156103#(<= ULTIMATE.start_main_~k~5 26), 156100#(<= ULTIMATE.start_main_~k~5 23), 156101#(<= ULTIMATE.start_main_~k~5 24), 156106#(<= ULTIMATE.start_main_~k~5 29), 156107#(<= ULTIMATE.start_main_~k~5 30), 156104#(<= ULTIMATE.start_main_~k~5 27), 156105#(<= ULTIMATE.start_main_~k~5 28), 156110#(<= ULTIMATE.start_main_~k~5 33), 156111#(<= ULTIMATE.start_main_~k~5 34), 156108#(<= ULTIMATE.start_main_~k~5 31), 156109#(<= ULTIMATE.start_main_~k~5 32), 156114#(<= ULTIMATE.start_main_~k~5 37), 156115#(<= ULTIMATE.start_main_~k~5 38), 156112#(<= ULTIMATE.start_main_~k~5 35), 156113#(<= ULTIMATE.start_main_~k~5 36), 156118#(<= ULTIMATE.start_main_~k~5 41), 156119#(<= ULTIMATE.start_main_~k~5 42), 156116#(<= ULTIMATE.start_main_~k~5 39), 156117#(<= ULTIMATE.start_main_~k~5 40), 156122#(<= ULTIMATE.start_main_~k~5 45), 156123#(<= ULTIMATE.start_main_~k~5 46), 156120#(<= ULTIMATE.start_main_~k~5 43), 156121#(<= ULTIMATE.start_main_~k~5 44), 156126#(<= ULTIMATE.start_main_~k~5 49), 156127#(<= ULTIMATE.start_main_~k~5 50), 156124#(<= ULTIMATE.start_main_~k~5 47), 156125#(<= ULTIMATE.start_main_~k~5 48), 156130#(<= ULTIMATE.start_main_~k~5 53), 156131#(<= ULTIMATE.start_main_~k~5 54), 156128#(<= ULTIMATE.start_main_~k~5 51), 156129#(<= ULTIMATE.start_main_~k~5 52), 156134#(<= ULTIMATE.start_main_~k~5 57), 156135#(<= ULTIMATE.start_main_~k~5 58), 156132#(<= ULTIMATE.start_main_~k~5 55), 156133#(<= ULTIMATE.start_main_~k~5 56), 156138#(<= ULTIMATE.start_main_~k~5 61), 156139#(<= ULTIMATE.start_main_~k~5 62), 156136#(<= ULTIMATE.start_main_~k~5 59), 156137#(<= ULTIMATE.start_main_~k~5 60), 156142#(<= ULTIMATE.start_main_~k~5 65), 156143#(<= ULTIMATE.start_main_~k~5 66), 156140#(<= ULTIMATE.start_main_~k~5 63), 156141#(<= ULTIMATE.start_main_~k~5 64), 156146#(<= ULTIMATE.start_main_~k~5 69), 156147#(<= ULTIMATE.start_main_~k~5 70), 156144#(<= ULTIMATE.start_main_~k~5 67), 156145#(<= ULTIMATE.start_main_~k~5 68), 156150#(<= ULTIMATE.start_main_~k~5 73), 156151#(<= ULTIMATE.start_main_~k~5 74), 156148#(<= ULTIMATE.start_main_~k~5 71), 156149#(<= ULTIMATE.start_main_~k~5 72), 156154#(<= ULTIMATE.start_main_~k~5 77), 156155#(<= ULTIMATE.start_main_~k~5 78), 156152#(<= ULTIMATE.start_main_~k~5 75), 156153#(<= ULTIMATE.start_main_~k~5 76), 156158#(<= ULTIMATE.start_main_~k~5 81), 156159#(<= ULTIMATE.start_main_~k~5 82), 156156#(<= ULTIMATE.start_main_~k~5 79), 156157#(<= ULTIMATE.start_main_~k~5 80)] [2018-07-23 13:44:40,127 INFO L134 CoverageAnalysis]: Checked inductivity of 30135 backedges. 0 proven. 30135 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2018-07-23 13:44:40,127 INFO L450 AbstractCegarLoop]: Interpolant automaton has 248 states [2018-07-23 13:44:40,132 INFO L132 InterpolantAutomaton]: Constructing interpolant automaton starting with 248 interpolants. [2018-07-23 13:44:40,135 INFO L133 InterpolantAutomaton]: CoverageRelationStatistics Valid=30628, Invalid=30628, Unknown=0, NotChecked=0, Total=61256 [2018-07-23 13:44:40,135 INFO L87 Difference]: Start difference. First operand 249 states and 249 transitions. Second operand 248 states. [2018-07-23 13:44:41,187 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2018-07-23 13:44:41,188 INFO L93 Difference]: Finished difference Result 252 states and 252 transitions. [2018-07-23 13:44:41,188 INFO L142 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 248 states. [2018-07-23 13:44:41,188 INFO L78 Accepts]: Start accepts. Automaton has 248 states. Word has length 248 [2018-07-23 13:44:41,188 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2018-07-23 13:44:41,188 INFO L225 Difference]: With dead ends: 252 [2018-07-23 13:44:41,188 INFO L226 Difference]: Without dead ends: 250 [2018-07-23 13:44:41,191 INFO L575 BasicCegarLoop]: 0 DeclaredPredicates, 247 GetRequests, 1 SyntacticMatches, 0 SemanticMatches, 246 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 0 ImplicationChecksByTransitivity, 1.3s TimeCoverageRelationStatistics Valid=30628, Invalid=30628, Unknown=0, NotChecked=0, Total=61256 [2018-07-23 13:44:41,191 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 250 states. [2018-07-23 13:44:41,193 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 250 to 250. [2018-07-23 13:44:41,193 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 250 states. [2018-07-23 13:44:41,194 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 250 states to 250 states and 250 transitions. [2018-07-23 13:44:41,194 INFO L78 Accepts]: Start accepts. Automaton has 250 states and 250 transitions. Word has length 248 [2018-07-23 13:44:41,194 INFO L84 Accepts]: Finished accepts. word is rejected. [2018-07-23 13:44:41,194 INFO L471 AbstractCegarLoop]: Abstraction has 250 states and 250 transitions. [2018-07-23 13:44:41,194 INFO L472 AbstractCegarLoop]: Interpolant automaton has 248 states. [2018-07-23 13:44:41,194 INFO L276 IsEmpty]: Start isEmpty. Operand 250 states and 250 transitions. [2018-07-23 13:44:41,194 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 250 [2018-07-23 13:44:41,195 INFO L349 BasicCegarLoop]: Found error trace [2018-07-23 13:44:41,195 INFO L357 BasicCegarLoop]: trace histogram [246, 1, 1, 1] [2018-07-23 13:44:41,195 INFO L414 AbstractCegarLoop]: === Iteration 247 === [ULTIMATE.startErr0AssertViolationASSERT]=== [2018-07-23 13:44:41,195 INFO L82 PathProgramCache]: Analyzing trace with hash -677548831, now seen corresponding path program 246 times [2018-07-23 13:44:41,195 INFO L69 tionRefinementEngine]: Using refinement strategy FixedRefinementStrategy [2018-07-23 13:44:41,350 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-07-23 13:44:42,821 INFO L134 CoverageAnalysis]: Checked inductivity of 30381 backedges. 0 proven. 30381 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2018-07-23 13:44:42,821 INFO L309 seRefinementStrategy]: Constructing automaton from 0 perfect and 1 imperfect interpolant sequences. [2018-07-23 13:44:42,821 INFO L324 seRefinementStrategy]: Number of different interpolants: perfect sequences [] imperfect sequences [248] total 248 [2018-07-23 13:44:42,821 INFO L142 lantAutomatonBuilder]: Constructing canonical interpolant automaton, with selfloop in false state [2018-07-23 13:44:42,821 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2018-07-23 13:44:42,822 INFO L185 omatonBuilderFactory]: Interpolants [157327#true, 157330#(<= ULTIMATE.start_main_~k~5 1), 157331#(<= ULTIMATE.start_main_~k~5 2), 157328#false, 157329#(<= ULTIMATE.start_main_~k~5 0), 157334#(<= ULTIMATE.start_main_~k~5 5), 157335#(<= ULTIMATE.start_main_~k~5 6), 157332#(<= ULTIMATE.start_main_~k~5 3), 157333#(<= ULTIMATE.start_main_~k~5 4), 157338#(<= ULTIMATE.start_main_~k~5 9), 157339#(<= ULTIMATE.start_main_~k~5 10), 157336#(<= ULTIMATE.start_main_~k~5 7), 157337#(<= ULTIMATE.start_main_~k~5 8), 157342#(<= ULTIMATE.start_main_~k~5 13), 157343#(<= ULTIMATE.start_main_~k~5 14), 157340#(<= ULTIMATE.start_main_~k~5 11), 157341#(<= ULTIMATE.start_main_~k~5 12), 157346#(<= ULTIMATE.start_main_~k~5 17), 157347#(<= ULTIMATE.start_main_~k~5 18), 157344#(<= ULTIMATE.start_main_~k~5 15), 157345#(<= ULTIMATE.start_main_~k~5 16), 157350#(<= ULTIMATE.start_main_~k~5 21), 157351#(<= ULTIMATE.start_main_~k~5 22), 157348#(<= ULTIMATE.start_main_~k~5 19), 157349#(<= ULTIMATE.start_main_~k~5 20), 157354#(<= ULTIMATE.start_main_~k~5 25), 157355#(<= ULTIMATE.start_main_~k~5 26), 157352#(<= ULTIMATE.start_main_~k~5 23), 157353#(<= ULTIMATE.start_main_~k~5 24), 157358#(<= ULTIMATE.start_main_~k~5 29), 157359#(<= ULTIMATE.start_main_~k~5 30), 157356#(<= ULTIMATE.start_main_~k~5 27), 157357#(<= ULTIMATE.start_main_~k~5 28), 157362#(<= ULTIMATE.start_main_~k~5 33), 157363#(<= ULTIMATE.start_main_~k~5 34), 157360#(<= ULTIMATE.start_main_~k~5 31), 157361#(<= ULTIMATE.start_main_~k~5 32), 157366#(<= ULTIMATE.start_main_~k~5 37), 157367#(<= ULTIMATE.start_main_~k~5 38), 157364#(<= ULTIMATE.start_main_~k~5 35), 157365#(<= ULTIMATE.start_main_~k~5 36), 157370#(<= ULTIMATE.start_main_~k~5 41), 157371#(<= ULTIMATE.start_main_~k~5 42), 157368#(<= ULTIMATE.start_main_~k~5 39), 157369#(<= ULTIMATE.start_main_~k~5 40), 157374#(<= ULTIMATE.start_main_~k~5 45), 157375#(<= ULTIMATE.start_main_~k~5 46), 157372#(<= ULTIMATE.start_main_~k~5 43), 157373#(<= ULTIMATE.start_main_~k~5 44), 157378#(<= ULTIMATE.start_main_~k~5 49), 157379#(<= ULTIMATE.start_main_~k~5 50), 157376#(<= ULTIMATE.start_main_~k~5 47), 157377#(<= ULTIMATE.start_main_~k~5 48), 157382#(<= ULTIMATE.start_main_~k~5 53), 157383#(<= ULTIMATE.start_main_~k~5 54), 157380#(<= ULTIMATE.start_main_~k~5 51), 157381#(<= ULTIMATE.start_main_~k~5 52), 157386#(<= ULTIMATE.start_main_~k~5 57), 157387#(<= ULTIMATE.start_main_~k~5 58), 157384#(<= ULTIMATE.start_main_~k~5 55), 157385#(<= ULTIMATE.start_main_~k~5 56), 157390#(<= ULTIMATE.start_main_~k~5 61), 157391#(<= ULTIMATE.start_main_~k~5 62), 157388#(<= ULTIMATE.start_main_~k~5 59), 157389#(<= ULTIMATE.start_main_~k~5 60), 157394#(<= ULTIMATE.start_main_~k~5 65), 157395#(<= ULTIMATE.start_main_~k~5 66), 157392#(<= ULTIMATE.start_main_~k~5 63), 157393#(<= ULTIMATE.start_main_~k~5 64), 157398#(<= ULTIMATE.start_main_~k~5 69), 157399#(<= ULTIMATE.start_main_~k~5 70), 157396#(<= ULTIMATE.start_main_~k~5 67), 157397#(<= ULTIMATE.start_main_~k~5 68), 157402#(<= ULTIMATE.start_main_~k~5 73), 157403#(<= ULTIMATE.start_main_~k~5 74), 157400#(<= ULTIMATE.start_main_~k~5 71), 157401#(<= ULTIMATE.start_main_~k~5 72), 157406#(<= ULTIMATE.start_main_~k~5 77), 157407#(<= ULTIMATE.start_main_~k~5 78), 157404#(<= ULTIMATE.start_main_~k~5 75), 157405#(<= ULTIMATE.start_main_~k~5 76), 157410#(<= ULTIMATE.start_main_~k~5 81), 157411#(<= ULTIMATE.start_main_~k~5 82), 157408#(<= ULTIMATE.start_main_~k~5 79), 157409#(<= ULTIMATE.start_main_~k~5 80), 157414#(<= ULTIMATE.start_main_~k~5 85), 157415#(<= ULTIMATE.start_main_~k~5 86), 157412#(<= ULTIMATE.start_main_~k~5 83), 157413#(<= ULTIMATE.start_main_~k~5 84), 157418#(<= ULTIMATE.start_main_~k~5 89), 157419#(<= ULTIMATE.start_main_~k~5 90), 157416#(<= ULTIMATE.start_main_~k~5 87), 157417#(<= ULTIMATE.start_main_~k~5 88), 157422#(<= ULTIMATE.start_main_~k~5 93), 157423#(<= ULTIMATE.start_main_~k~5 94), 157420#(<= ULTIMATE.start_main_~k~5 91), 157421#(<= ULTIMATE.start_main_~k~5 92), 157426#(<= ULTIMATE.start_main_~k~5 97), 157427#(<= ULTIMATE.start_main_~k~5 98), 157424#(<= ULTIMATE.start_main_~k~5 95), 157425#(<= ULTIMATE.start_main_~k~5 96), 157430#(<= ULTIMATE.start_main_~k~5 101), 157431#(<= ULTIMATE.start_main_~k~5 102), 157428#(<= ULTIMATE.start_main_~k~5 99), 157429#(<= ULTIMATE.start_main_~k~5 100), 157434#(<= ULTIMATE.start_main_~k~5 105), 157435#(<= ULTIMATE.start_main_~k~5 106), 157432#(<= ULTIMATE.start_main_~k~5 103), 157433#(<= ULTIMATE.start_main_~k~5 104), 157438#(<= ULTIMATE.start_main_~k~5 109), 157439#(<= ULTIMATE.start_main_~k~5 110), 157436#(<= ULTIMATE.start_main_~k~5 107), 157437#(<= ULTIMATE.start_main_~k~5 108), 157442#(<= ULTIMATE.start_main_~k~5 113), 157443#(<= ULTIMATE.start_main_~k~5 114), 157440#(<= ULTIMATE.start_main_~k~5 111), 157441#(<= ULTIMATE.start_main_~k~5 112), 157446#(<= ULTIMATE.start_main_~k~5 117), 157447#(<= ULTIMATE.start_main_~k~5 118), 157444#(<= ULTIMATE.start_main_~k~5 115), 157445#(<= ULTIMATE.start_main_~k~5 116), 157450#(<= ULTIMATE.start_main_~k~5 121), 157451#(<= ULTIMATE.start_main_~k~5 122), 157448#(<= ULTIMATE.start_main_~k~5 119), 157449#(<= ULTIMATE.start_main_~k~5 120), 157454#(<= ULTIMATE.start_main_~k~5 125), 157455#(<= ULTIMATE.start_main_~k~5 126), 157452#(<= ULTIMATE.start_main_~k~5 123), 157453#(<= ULTIMATE.start_main_~k~5 124), 157458#(<= ULTIMATE.start_main_~k~5 129), 157459#(<= ULTIMATE.start_main_~k~5 130), 157456#(<= ULTIMATE.start_main_~k~5 127), 157457#(<= ULTIMATE.start_main_~k~5 128), 157462#(<= ULTIMATE.start_main_~k~5 133), 157463#(<= ULTIMATE.start_main_~k~5 134), 157460#(<= ULTIMATE.start_main_~k~5 131), 157461#(<= ULTIMATE.start_main_~k~5 132), 157466#(<= ULTIMATE.start_main_~k~5 137), 157467#(<= ULTIMATE.start_main_~k~5 138), 157464#(<= ULTIMATE.start_main_~k~5 135), 157465#(<= ULTIMATE.start_main_~k~5 136), 157470#(<= ULTIMATE.start_main_~k~5 141), 157471#(<= ULTIMATE.start_main_~k~5 142), 157468#(<= ULTIMATE.start_main_~k~5 139), 157469#(<= ULTIMATE.start_main_~k~5 140), 157474#(<= ULTIMATE.start_main_~k~5 145), 157475#(<= ULTIMATE.start_main_~k~5 146), 157472#(<= ULTIMATE.start_main_~k~5 143), 157473#(<= ULTIMATE.start_main_~k~5 144), 157478#(<= ULTIMATE.start_main_~k~5 149), 157479#(<= ULTIMATE.start_main_~k~5 150), 157476#(<= ULTIMATE.start_main_~k~5 147), 157477#(<= ULTIMATE.start_main_~k~5 148), 157482#(<= ULTIMATE.start_main_~k~5 153), 157483#(<= ULTIMATE.start_main_~k~5 154), 157480#(<= ULTIMATE.start_main_~k~5 151), 157481#(<= ULTIMATE.start_main_~k~5 152), 157486#(<= ULTIMATE.start_main_~k~5 157), 157487#(<= ULTIMATE.start_main_~k~5 158), 157484#(<= ULTIMATE.start_main_~k~5 155), 157485#(<= ULTIMATE.start_main_~k~5 156), 157490#(<= ULTIMATE.start_main_~k~5 161), 157491#(<= ULTIMATE.start_main_~k~5 162), 157488#(<= ULTIMATE.start_main_~k~5 159), 157489#(<= ULTIMATE.start_main_~k~5 160), 157494#(<= ULTIMATE.start_main_~k~5 165), 157495#(<= ULTIMATE.start_main_~k~5 166), 157492#(<= ULTIMATE.start_main_~k~5 163), 157493#(<= ULTIMATE.start_main_~k~5 164), 157498#(<= ULTIMATE.start_main_~k~5 169), 157499#(<= ULTIMATE.start_main_~k~5 170), 157496#(<= ULTIMATE.start_main_~k~5 167), 157497#(<= ULTIMATE.start_main_~k~5 168), 157502#(<= ULTIMATE.start_main_~k~5 173), 157503#(<= ULTIMATE.start_main_~k~5 174), 157500#(<= ULTIMATE.start_main_~k~5 171), 157501#(<= ULTIMATE.start_main_~k~5 172), 157506#(<= ULTIMATE.start_main_~k~5 177), 157507#(<= ULTIMATE.start_main_~k~5 178), 157504#(<= ULTIMATE.start_main_~k~5 175), 157505#(<= ULTIMATE.start_main_~k~5 176), 157510#(<= ULTIMATE.start_main_~k~5 181), 157511#(<= ULTIMATE.start_main_~k~5 182), 157508#(<= ULTIMATE.start_main_~k~5 179), 157509#(<= ULTIMATE.start_main_~k~5 180), 157514#(<= ULTIMATE.start_main_~k~5 185), 157515#(<= ULTIMATE.start_main_~k~5 186), 157512#(<= ULTIMATE.start_main_~k~5 183), 157513#(<= ULTIMATE.start_main_~k~5 184), 157518#(<= ULTIMATE.start_main_~k~5 189), 157519#(<= ULTIMATE.start_main_~k~5 190), 157516#(<= ULTIMATE.start_main_~k~5 187), 157517#(<= ULTIMATE.start_main_~k~5 188), 157522#(<= ULTIMATE.start_main_~k~5 193), 157523#(<= ULTIMATE.start_main_~k~5 194), 157520#(<= ULTIMATE.start_main_~k~5 191), 157521#(<= ULTIMATE.start_main_~k~5 192), 157526#(<= ULTIMATE.start_main_~k~5 197), 157527#(<= ULTIMATE.start_main_~k~5 198), 157524#(<= ULTIMATE.start_main_~k~5 195), 157525#(<= ULTIMATE.start_main_~k~5 196), 157530#(<= ULTIMATE.start_main_~k~5 201), 157531#(<= ULTIMATE.start_main_~k~5 202), 157528#(<= ULTIMATE.start_main_~k~5 199), 157529#(<= ULTIMATE.start_main_~k~5 200), 157534#(<= ULTIMATE.start_main_~k~5 205), 157535#(<= ULTIMATE.start_main_~k~5 206), 157532#(<= ULTIMATE.start_main_~k~5 203), 157533#(<= ULTIMATE.start_main_~k~5 204), 157538#(<= ULTIMATE.start_main_~k~5 209), 157539#(<= ULTIMATE.start_main_~k~5 210), 157536#(<= ULTIMATE.start_main_~k~5 207), 157537#(<= ULTIMATE.start_main_~k~5 208), 157542#(<= ULTIMATE.start_main_~k~5 213), 157543#(<= ULTIMATE.start_main_~k~5 214), 157540#(<= ULTIMATE.start_main_~k~5 211), 157541#(<= ULTIMATE.start_main_~k~5 212), 157546#(<= ULTIMATE.start_main_~k~5 217), 157547#(<= ULTIMATE.start_main_~k~5 218), 157544#(<= ULTIMATE.start_main_~k~5 215), 157545#(<= ULTIMATE.start_main_~k~5 216), 157550#(<= ULTIMATE.start_main_~k~5 221), 157551#(<= ULTIMATE.start_main_~k~5 222), 157548#(<= ULTIMATE.start_main_~k~5 219), 157549#(<= ULTIMATE.start_main_~k~5 220), 157554#(<= ULTIMATE.start_main_~k~5 225), 157555#(<= ULTIMATE.start_main_~k~5 226), 157552#(<= ULTIMATE.start_main_~k~5 223), 157553#(<= ULTIMATE.start_main_~k~5 224), 157558#(<= ULTIMATE.start_main_~k~5 229), 157559#(<= ULTIMATE.start_main_~k~5 230), 157556#(<= ULTIMATE.start_main_~k~5 227), 157557#(<= ULTIMATE.start_main_~k~5 228), 157562#(<= ULTIMATE.start_main_~k~5 233), 157563#(<= ULTIMATE.start_main_~k~5 234), 157560#(<= ULTIMATE.start_main_~k~5 231), 157561#(<= ULTIMATE.start_main_~k~5 232), 157566#(<= ULTIMATE.start_main_~k~5 237), 157567#(<= ULTIMATE.start_main_~k~5 238), 157564#(<= ULTIMATE.start_main_~k~5 235), 157565#(<= ULTIMATE.start_main_~k~5 236), 157570#(<= ULTIMATE.start_main_~k~5 241), 157571#(<= ULTIMATE.start_main_~k~5 242), 157568#(<= ULTIMATE.start_main_~k~5 239), 157569#(<= ULTIMATE.start_main_~k~5 240), 157574#(<= ULTIMATE.start_main_~k~5 245), 157575#(<= ULTIMATE.start_main_~k~5 246), 157572#(<= ULTIMATE.start_main_~k~5 243), 157573#(<= ULTIMATE.start_main_~k~5 244)] [2018-07-23 13:44:42,823 INFO L134 CoverageAnalysis]: Checked inductivity of 30381 backedges. 0 proven. 30381 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2018-07-23 13:44:42,823 INFO L450 AbstractCegarLoop]: Interpolant automaton has 249 states [2018-07-23 13:44:42,826 INFO L132 InterpolantAutomaton]: Constructing interpolant automaton starting with 249 interpolants. [2018-07-23 13:44:42,827 INFO L133 InterpolantAutomaton]: CoverageRelationStatistics Valid=30876, Invalid=30876, Unknown=0, NotChecked=0, Total=61752 [2018-07-23 13:44:42,827 INFO L87 Difference]: Start difference. First operand 250 states and 250 transitions. Second operand 249 states. [2018-07-23 13:44:44,398 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2018-07-23 13:44:44,399 INFO L93 Difference]: Finished difference Result 253 states and 253 transitions. [2018-07-23 13:44:44,399 INFO L142 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 249 states. [2018-07-23 13:44:44,399 INFO L78 Accepts]: Start accepts. Automaton has 249 states. Word has length 249 [2018-07-23 13:44:44,399 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2018-07-23 13:44:44,400 INFO L225 Difference]: With dead ends: 253 [2018-07-23 13:44:44,400 INFO L226 Difference]: Without dead ends: 251 [2018-07-23 13:44:44,402 INFO L575 BasicCegarLoop]: 0 DeclaredPredicates, 248 GetRequests, 1 SyntacticMatches, 0 SemanticMatches, 247 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 0 ImplicationChecksByTransitivity, 1.3s TimeCoverageRelationStatistics Valid=30876, Invalid=30876, Unknown=0, NotChecked=0, Total=61752 [2018-07-23 13:44:44,402 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 251 states. [2018-07-23 13:44:44,405 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 251 to 251. [2018-07-23 13:44:44,405 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 251 states. [2018-07-23 13:44:44,405 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 251 states to 251 states and 251 transitions. [2018-07-23 13:44:44,405 INFO L78 Accepts]: Start accepts. Automaton has 251 states and 251 transitions. Word has length 249 [2018-07-23 13:44:44,405 INFO L84 Accepts]: Finished accepts. word is rejected. [2018-07-23 13:44:44,405 INFO L471 AbstractCegarLoop]: Abstraction has 251 states and 251 transitions. [2018-07-23 13:44:44,405 INFO L472 AbstractCegarLoop]: Interpolant automaton has 249 states. [2018-07-23 13:44:44,405 INFO L276 IsEmpty]: Start isEmpty. Operand 251 states and 251 transitions. [2018-07-23 13:44:44,406 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 251 [2018-07-23 13:44:44,406 INFO L349 BasicCegarLoop]: Found error trace [2018-07-23 13:44:44,406 INFO L357 BasicCegarLoop]: trace histogram [247, 1, 1, 1] [2018-07-23 13:44:44,406 INFO L414 AbstractCegarLoop]: === Iteration 248 === [ULTIMATE.startErr0AssertViolationASSERT]=== [2018-07-23 13:44:44,406 INFO L82 PathProgramCache]: Analyzing trace with hash 470820744, now seen corresponding path program 247 times [2018-07-23 13:44:44,407 INFO L69 tionRefinementEngine]: Using refinement strategy FixedRefinementStrategy [2018-07-23 13:44:44,593 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat Received shutdown request... [2018-07-23 13:44:45,277 WARN L540 AbstractCegarLoop]: Verification canceled [2018-07-23 13:44:45,287 WARN L202 ceAbstractionStarter]: Timeout [2018-07-23 13:44:45,288 INFO L202 PluginConnector]: Adding new model count_by_nondet.i_3.bplTransformedIcfg_BEv2_3.bpl de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction CFG 23.07 01:44:45 BoogieIcfgContainer [2018-07-23 13:44:45,288 INFO L132 PluginConnector]: ------------------------ END TraceAbstraction---------------------------- [2018-07-23 13:44:45,289 INFO L168 Benchmark]: Toolchain (without parser) took 252217.25 ms. Allocated memory was 1.5 GB in the beginning and 3.5 GB in the end (delta: 2.0 GB). Free memory was 1.5 GB in the beginning and 1.9 GB in the end (delta: -410.1 MB). Peak memory consumption was 1.6 GB. Max. memory is 7.1 GB. [2018-07-23 13:44:45,290 INFO L168 Benchmark]: Boogie PL CUP Parser took 0.22 ms. Allocated memory is still 1.5 GB. Free memory is still 1.5 GB. There was no memory consumed. Max. memory is 7.1 GB. [2018-07-23 13:44:45,291 INFO L168 Benchmark]: Boogie Preprocessor took 49.07 ms. Allocated memory is still 1.5 GB. Free memory is still 1.5 GB. There was no memory consumed. Max. memory is 7.1 GB. [2018-07-23 13:44:45,291 INFO L168 Benchmark]: RCFGBuilder took 230.09 ms. Allocated memory is still 1.5 GB. Free memory was 1.5 GB in the beginning and 1.4 GB in the end (delta: 10.6 MB). Peak memory consumption was 10.6 MB. Max. memory is 7.1 GB. [2018-07-23 13:44:45,291 INFO L168 Benchmark]: TraceAbstraction took 251933.75 ms. Allocated memory was 1.5 GB in the beginning and 3.5 GB in the end (delta: 2.0 GB). Free memory was 1.4 GB in the beginning and 1.9 GB in the end (delta: -420.7 MB). Peak memory consumption was 1.6 GB. Max. memory is 7.1 GB. [2018-07-23 13:44:45,293 INFO L336 ainManager$Toolchain]: ####################### End [Toolchain 1] ####################### --- Results --- * Results from de.uni_freiburg.informatik.ultimate.core: - StatisticsResult: Toolchain Benchmarks Benchmark results are: * Boogie PL CUP Parser took 0.22 ms. Allocated memory is still 1.5 GB. Free memory is still 1.5 GB. There was no memory consumed. Max. memory is 7.1 GB. * Boogie Preprocessor took 49.07 ms. Allocated memory is still 1.5 GB. Free memory is still 1.5 GB. There was no memory consumed. Max. memory is 7.1 GB. * RCFGBuilder took 230.09 ms. Allocated memory is still 1.5 GB. Free memory was 1.5 GB in the beginning and 1.4 GB in the end (delta: 10.6 MB). Peak memory consumption was 10.6 MB. Max. memory is 7.1 GB. * TraceAbstraction took 251933.75 ms. Allocated memory was 1.5 GB in the beginning and 3.5 GB in the end (delta: 2.0 GB). Free memory was 1.4 GB in the beginning and 1.9 GB in the end (delta: -420.7 MB). Peak memory consumption was 1.6 GB. Max. memory is 7.1 GB. * Results from de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction: - TimeoutResultAtElement [Line: 43]: Timeout (TraceAbstraction) Unable to prove that assertion always holds (line 43). Cancelled while BasicCegarLoop was analyzing trace of length 251 with TraceHistMax 247, while InterpolatingTraceCheckCraig was constructing Craig interpolants, while PredicateComparison was comparing new predicate (quantifier-free) to 176 known predicates. - StatisticsResult: Ultimate Automizer benchmark data CFG has 1 procedures, 6 locations, 1 error locations. TIMEOUT Result, 251.8s OverallTime, 248 OverallIterations, 247 TraceHistogramMax, 95.1s AutomataDifference, 0.0s DeadEndRemovalTime, 0.0s HoareAnnotationTime, HoareTripleCheckerStatistics: 741 SDtfs, 0 SDslu, 16129 SDs, 0 SdLazy, 47004 SolverSat, 466 SolverUnsat, 0 SolverUnknown, 0 SolverNotchecked, 4.1s Time, PredicateUnifierStatistics: 0 DeclaredPredicates, 30875 GetRequests, 247 SyntacticMatches, 0 SemanticMatches, 30628 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 0 ImplicationChecksByTransitivity, 121.7s Time, 0.4s BasicInterpolantAutomatonTime, BiggestAbstraction: size=251occurred in iteration=247, traceCheckStatistics: No data available, InterpolantConsolidationStatistics: No data available, PathInvariantsStatistics: No data available, 0/2511496 InterpolantCoveringCapability, TotalInterpolationStatistics: No data available, 0.0s AbstIntTime, 0 AbstIntIterations, 0 AbstIntStrong, NaN AbsIntWeakeningRatio, NaN AbsIntAvgWeakeningVarsNumRemoved, NaN AbsIntAvgWeakenedConjuncts, 0.0s DumpTime, AutomataMinimizationStatistics: 0.8s AutomataMinimizationTime, 247 MinimizatonAttempts, 0 StatesRemovedByMinimization, 0 NontrivialMinimizations, HoareAnnotationStatistics: No data available, RefinementEngineStatistics: TraceCheckStatistics: 0.7s SsaConstructionTime, 13.4s SatisfiabilityAnalysisTime, 135.5s InterpolantComputationTime, 31122 NumberOfCodeBlocks, 31122 NumberOfCodeBlocksAsserted, 247 NumberOfCheckSat, 30875 ConstructedInterpolants, 0 QuantifiedInterpolants, 15283619 SizeOfPredicates, 0 NumberOfNonLiveVariables, 0 ConjunctsInSsa, 0 ConjunctsInUnsatCore, 247 InterpolantComputations, 1 PerfectInterpolantSequences, 0/2511496 InterpolantCoveringCapability, InvariantSynthesisStatistics: No data available, InterpolantConsolidationStatistics: No data available, ReuseStatistics: No data available RESULT: Ultimate could not prove your program: Timeout Written .csv to /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/csv/count_by_nondet.i_3.bplTransformedIcfg_BEv2_3.bpl_AutomizerBpl-nestedInterpolants.epf_AutomizerBpl.xml/Csv-Benchmark-0-2018-07-23_13-44-45-303.csv Written .csv to /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/csv/count_by_nondet.i_3.bplTransformedIcfg_BEv2_3.bpl_AutomizerBpl-nestedInterpolants.epf_AutomizerBpl.xml/Csv-TraceAbstractionBenchmarks-0-2018-07-23_13-44-45-303.csv Completed graceful shutdown