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/overflow1.i_3.bplTransformedIcfg_BEv2_4.bpl -------------------------------------------------------------------------------- This is Ultimate 0.1.23-935f392 [2018-07-23 13:41:27,999 INFO L170 SettingsManager]: Resetting all preferences to default values... [2018-07-23 13:41:28,001 INFO L174 SettingsManager]: Resetting UltimateCore preferences to default values [2018-07-23 13:41:28,013 INFO L177 SettingsManager]: Ultimate Commandline Interface provides no preferences, ignoring... [2018-07-23 13:41:28,014 INFO L174 SettingsManager]: Resetting Boogie Preprocessor preferences to default values [2018-07-23 13:41:28,015 INFO L174 SettingsManager]: Resetting Boogie Procedure Inliner preferences to default values [2018-07-23 13:41:28,016 INFO L174 SettingsManager]: Resetting Abstract Interpretation preferences to default values [2018-07-23 13:41:28,018 INFO L174 SettingsManager]: Resetting LassoRanker preferences to default values [2018-07-23 13:41:28,020 INFO L174 SettingsManager]: Resetting Reaching Definitions preferences to default values [2018-07-23 13:41:28,020 INFO L174 SettingsManager]: Resetting SyntaxChecker preferences to default values [2018-07-23 13:41:28,021 INFO L177 SettingsManager]: Büchi Program Product provides no preferences, ignoring... [2018-07-23 13:41:28,022 INFO L174 SettingsManager]: Resetting LTL2Aut preferences to default values [2018-07-23 13:41:28,022 INFO L174 SettingsManager]: Resetting PEA to Boogie preferences to default values [2018-07-23 13:41:28,023 INFO L174 SettingsManager]: Resetting BlockEncodingV2 preferences to default values [2018-07-23 13:41:28,025 INFO L174 SettingsManager]: Resetting ChcToBoogie preferences to default values [2018-07-23 13:41:28,025 INFO L174 SettingsManager]: Resetting AutomataScriptInterpreter preferences to default values [2018-07-23 13:41:28,026 INFO L174 SettingsManager]: Resetting BuchiAutomizer preferences to default values [2018-07-23 13:41:28,028 INFO L174 SettingsManager]: Resetting CACSL2BoogieTranslator preferences to default values [2018-07-23 13:41:28,030 INFO L174 SettingsManager]: Resetting CodeCheck preferences to default values [2018-07-23 13:41:28,032 INFO L174 SettingsManager]: Resetting InvariantSynthesis preferences to default values [2018-07-23 13:41:28,033 INFO L174 SettingsManager]: Resetting RCFGBuilder preferences to default values [2018-07-23 13:41:28,034 INFO L174 SettingsManager]: Resetting TraceAbstraction preferences to default values [2018-07-23 13:41:28,037 INFO L177 SettingsManager]: TraceAbstractionConcurrent provides no preferences, ignoring... [2018-07-23 13:41:28,037 INFO L177 SettingsManager]: TraceAbstractionWithAFAs provides no preferences, ignoring... [2018-07-23 13:41:28,037 INFO L174 SettingsManager]: Resetting TreeAutomizer preferences to default values [2018-07-23 13:41:28,038 INFO L174 SettingsManager]: Resetting IcfgTransformer preferences to default values [2018-07-23 13:41:28,039 INFO L174 SettingsManager]: Resetting Boogie Printer preferences to default values [2018-07-23 13:41:28,040 INFO L174 SettingsManager]: Resetting ReqPrinter preferences to default values [2018-07-23 13:41:28,041 INFO L174 SettingsManager]: Resetting Witness Printer preferences to default values [2018-07-23 13:41:28,042 INFO L177 SettingsManager]: Boogie PL CUP Parser provides no preferences, ignoring... [2018-07-23 13:41:28,042 INFO L174 SettingsManager]: Resetting CDTParser preferences to default values [2018-07-23 13:41:28,043 INFO L177 SettingsManager]: AutomataScriptParser provides no preferences, ignoring... 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[2018-07-23 13:41:28,046 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 13:41:28,068 INFO L110 SettingsManager]: Loading preferences was successful [2018-07-23 13:41:28,068 INFO L112 SettingsManager]: Preferences different from defaults after loading the file: [2018-07-23 13:41:28,070 INFO L131 SettingsManager]: Preferences of RCFGBuilder differ from their defaults: [2018-07-23 13:41:28,070 INFO L133 SettingsManager]: * SMT solver=Internal_SMTInterpol [2018-07-23 13:41:28,070 INFO L131 SettingsManager]: Preferences of TraceAbstraction differ from their defaults: [2018-07-23 13:41:28,070 INFO L133 SettingsManager]: * Compute Interpolants along a Counterexample=Craig_NestedInterpolation [2018-07-23 13:41:28,070 INFO L133 SettingsManager]: * Use separate solver for trace checks=false [2018-07-23 13:41:28,071 INFO L133 SettingsManager]: * Compute Hoare Annotation of negated interpolant automaton, abstraction and CFG=true [2018-07-23 13:41:28,115 INFO L81 nceAwareModelManager]: Repository-Root is: /tmp [2018-07-23 13:41:28,130 INFO L258 ainManager$Toolchain]: [Toolchain 1]: Applicable parser(s) successfully (re)initialized [2018-07-23 13:41:28,137 INFO L214 ainManager$Toolchain]: [Toolchain 1]: Toolchain selected. [2018-07-23 13:41:28,140 INFO L271 PluginConnector]: Initializing Boogie PL CUP Parser... [2018-07-23 13:41:28,140 INFO L276 PluginConnector]: Boogie PL CUP Parser initialized [2018-07-23 13:41:28,141 INFO L418 ainManager$Toolchain]: [Toolchain 1]: Parsing single file: /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/../../../trunk/examples/programs/20170319-ConjunctivePathPrograms/overflow1.i_3.bplTransformedIcfg_BEv2_4.bpl [2018-07-23 13:41:28,142 INFO L111 BoogieParser]: Parsing: '/storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/../../../trunk/examples/programs/20170319-ConjunctivePathPrograms/overflow1.i_3.bplTransformedIcfg_BEv2_4.bpl' [2018-07-23 13:41:28,205 INFO L296 ainManager$Toolchain]: ####################### [Toolchain 1] ####################### [2018-07-23 13:41:28,207 INFO L131 ToolchainWalker]: Walking toolchain with 3 elements. [2018-07-23 13:41:28,208 INFO L113 PluginConnector]: ------------------------Boogie Preprocessor---------------------------- [2018-07-23 13:41:28,208 INFO L271 PluginConnector]: Initializing Boogie Preprocessor... [2018-07-23 13:41:28,208 INFO L276 PluginConnector]: Boogie Preprocessor initialized [2018-07-23 13:41:28,236 INFO L185 PluginConnector]: Executing the observer EnsureBoogieModelObserver from plugin Boogie Preprocessor for "overflow1.i_3.bplTransformedIcfg_BEv2_4.bpl de.uni_freiburg.informatik.ultimate.boogie.parser AST 23.07 01:41:28" (1/1) ... [2018-07-23 13:41:28,238 INFO L185 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Preprocessor for "overflow1.i_3.bplTransformedIcfg_BEv2_4.bpl de.uni_freiburg.informatik.ultimate.boogie.parser AST 23.07 01:41:28" (1/1) ... [2018-07-23 13:41:28,248 INFO L185 PluginConnector]: Executing the observer ConstExpander from plugin Boogie Preprocessor for "overflow1.i_3.bplTransformedIcfg_BEv2_4.bpl de.uni_freiburg.informatik.ultimate.boogie.parser AST 23.07 01:41:28" (1/1) ... [2018-07-23 13:41:28,249 INFO L185 PluginConnector]: Executing the observer StructExpander from plugin Boogie Preprocessor for "overflow1.i_3.bplTransformedIcfg_BEv2_4.bpl de.uni_freiburg.informatik.ultimate.boogie.parser AST 23.07 01:41:28" (1/1) ... [2018-07-23 13:41:28,252 INFO L185 PluginConnector]: Executing the observer UnstructureCode from plugin Boogie Preprocessor for "overflow1.i_3.bplTransformedIcfg_BEv2_4.bpl de.uni_freiburg.informatik.ultimate.boogie.parser AST 23.07 01:41:28" (1/1) ... [2018-07-23 13:41:28,255 INFO L185 PluginConnector]: Executing the observer FunctionInliner from plugin Boogie Preprocessor for "overflow1.i_3.bplTransformedIcfg_BEv2_4.bpl de.uni_freiburg.informatik.ultimate.boogie.parser AST 23.07 01:41:28" (1/1) ... [2018-07-23 13:41:28,256 INFO L185 PluginConnector]: Executing the observer BoogieSymbolTableConstructor from plugin Boogie Preprocessor for "overflow1.i_3.bplTransformedIcfg_BEv2_4.bpl de.uni_freiburg.informatik.ultimate.boogie.parser AST 23.07 01:41:28" (1/1) ... [2018-07-23 13:41:28,259 INFO L132 PluginConnector]: ------------------------ END Boogie Preprocessor---------------------------- [2018-07-23 13:41:28,260 INFO L113 PluginConnector]: ------------------------RCFGBuilder---------------------------- [2018-07-23 13:41:28,260 INFO L271 PluginConnector]: Initializing RCFGBuilder... [2018-07-23 13:41:28,260 INFO L276 PluginConnector]: RCFGBuilder initialized [2018-07-23 13:41:28,262 INFO L185 PluginConnector]: Executing the observer RCFGBuilderObserver from plugin RCFGBuilder for "overflow1.i_3.bplTransformedIcfg_BEv2_4.bpl de.uni_freiburg.informatik.ultimate.boogie.parser AST 23.07 01:41:28" (1/1) ... [2018-07-23 13:41:28,340 INFO L124 BoogieDeclarations]: Specification and implementation of procedure ULTIMATE.start given in one single declaration [2018-07-23 13:41:28,340 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.start [2018-07-23 13:41:28,340 INFO L138 BoogieDeclarations]: Found implementation of procedure ULTIMATE.start [2018-07-23 13:41:28,468 INFO L261 CfgBuilder]: Using the 1 location(s) as analysis (start of procedure ULTIMATE.start) [2018-07-23 13:41:28,469 INFO L202 PluginConnector]: Adding new model overflow1.i_3.bplTransformedIcfg_BEv2_4.bpl de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 23.07 01:41:28 BoogieIcfgContainer [2018-07-23 13:41:28,469 INFO L132 PluginConnector]: ------------------------ END RCFGBuilder---------------------------- [2018-07-23 13:41:28,470 INFO L113 PluginConnector]: ------------------------TraceAbstraction---------------------------- [2018-07-23 13:41:28,471 INFO L271 PluginConnector]: Initializing TraceAbstraction... [2018-07-23 13:41:28,474 INFO L276 PluginConnector]: TraceAbstraction initialized [2018-07-23 13:41:28,475 INFO L185 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "overflow1.i_3.bplTransformedIcfg_BEv2_4.bpl de.uni_freiburg.informatik.ultimate.boogie.parser AST 23.07 01:41:28" (1/2) ... [2018-07-23 13:41:28,477 INFO L205 PluginConnector]: Invalid model from TraceAbstraction for observer de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.TraceAbstractionObserver@1bbb6496 and model type overflow1.i_3.bplTransformedIcfg_BEv2_4.bpl de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction AST 23.07 01:41:28, skipping insertion in model container [2018-07-23 13:41:28,477 INFO L185 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "overflow1.i_3.bplTransformedIcfg_BEv2_4.bpl de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 23.07 01:41:28" (2/2) ... [2018-07-23 13:41:28,480 INFO L112 eAbstractionObserver]: Analyzing ICFG overflow1.i_3.bplTransformedIcfg_BEv2_4.bpl [2018-07-23 13:41:28,492 INFO L132 ceAbstractionStarter]: Automizer settings: Hoare:true NWA Interpolation:Craig_NestedInterpolation Determinization: PREDICATE_ABSTRACTION [2018-07-23 13:41:28,501 INFO L144 ceAbstractionStarter]: Appying trace abstraction to program that has 1 error locations. [2018-07-23 13:41:28,555 INFO L128 ementStrategyFactory]: Using default assertion order modulation [2018-07-23 13:41:28,556 INFO L373 AbstractCegarLoop]: Interprodecural is true [2018-07-23 13:41:28,556 INFO L374 AbstractCegarLoop]: Hoare is true [2018-07-23 13:41:28,556 INFO L375 AbstractCegarLoop]: Compute interpolants for Craig_NestedInterpolation [2018-07-23 13:41:28,556 INFO L376 AbstractCegarLoop]: Backedges is CANONICAL [2018-07-23 13:41:28,557 INFO L377 AbstractCegarLoop]: Determinization is PREDICATE_ABSTRACTION [2018-07-23 13:41:28,557 INFO L378 AbstractCegarLoop]: Difference is false [2018-07-23 13:41:28,557 INFO L379 AbstractCegarLoop]: Minimize is MINIMIZE_SEVPA [2018-07-23 13:41:28,557 INFO L384 AbstractCegarLoop]: ======== Iteration 0==of CEGAR loop == AllErrorsAtOnce======== [2018-07-23 13:41:28,574 INFO L276 IsEmpty]: Start isEmpty. Operand 5 states. [2018-07-23 13:41:28,586 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 4 [2018-07-23 13:41:28,586 INFO L349 BasicCegarLoop]: Found error trace [2018-07-23 13:41:28,588 INFO L357 BasicCegarLoop]: trace histogram [1, 1, 1] [2018-07-23 13:41:28,588 INFO L414 AbstractCegarLoop]: === Iteration 1 === [ULTIMATE.startErr0AssertViolationASSERT]=== [2018-07-23 13:41:28,596 INFO L82 PathProgramCache]: Analyzing trace with hash 30017, now seen corresponding path program 1 times [2018-07-23 13:41:28,604 INFO L69 tionRefinementEngine]: Using refinement strategy FixedRefinementStrategy [2018-07-23 13:41:28,629 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-07-23 13:41:28,702 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2018-07-23 13:41:28,705 INFO L309 seRefinementStrategy]: Constructing automaton from 1 perfect and 0 imperfect interpolant sequences. [2018-07-23 13:41:28,706 INFO L324 seRefinementStrategy]: Number of different interpolants: perfect sequences [2] imperfect sequences [] total 2 [2018-07-23 13:41:28,708 INFO L142 lantAutomatonBuilder]: Constructing canonical interpolant automaton, with selfloop in false state [2018-07-23 13:41:28,708 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2018-07-23 13:41:28,709 INFO L185 omatonBuilderFactory]: Interpolants [8#true, 9#false, 10#(<= ULTIMATE.start_main_~x~4 10)] [2018-07-23 13:41:28,709 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2018-07-23 13:41:28,710 INFO L450 AbstractCegarLoop]: Interpolant automaton has 3 states [2018-07-23 13:41:28,726 INFO L132 InterpolantAutomaton]: Constructing interpolant automaton starting with 3 interpolants. [2018-07-23 13:41:28,727 INFO L133 InterpolantAutomaton]: CoverageRelationStatistics Valid=3, Invalid=3, Unknown=0, NotChecked=0, Total=6 [2018-07-23 13:41:28,729 INFO L87 Difference]: Start difference. First operand 5 states. Second operand 3 states. [2018-07-23 13:41:28,759 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2018-07-23 13:41:28,760 INFO L93 Difference]: Finished difference Result 8 states and 9 transitions. [2018-07-23 13:41:28,761 INFO L142 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 3 states. [2018-07-23 13:41:28,762 INFO L78 Accepts]: Start accepts. Automaton has 3 states. Word has length 3 [2018-07-23 13:41:28,762 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2018-07-23 13:41:28,773 INFO L225 Difference]: With dead ends: 8 [2018-07-23 13:41:28,773 INFO L226 Difference]: Without dead ends: 5 [2018-07-23 13:41:28,779 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 13:41:28,802 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 5 states. [2018-07-23 13:41:28,818 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 5 to 5. [2018-07-23 13:41:28,820 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 5 states. [2018-07-23 13:41:28,821 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 5 states to 5 states and 5 transitions. [2018-07-23 13:41:28,823 INFO L78 Accepts]: Start accepts. Automaton has 5 states and 5 transitions. Word has length 3 [2018-07-23 13:41:28,823 INFO L84 Accepts]: Finished accepts. word is rejected. [2018-07-23 13:41:28,823 INFO L471 AbstractCegarLoop]: Abstraction has 5 states and 5 transitions. [2018-07-23 13:41:28,823 INFO L472 AbstractCegarLoop]: Interpolant automaton has 3 states. [2018-07-23 13:41:28,824 INFO L276 IsEmpty]: Start isEmpty. Operand 5 states and 5 transitions. [2018-07-23 13:41:28,824 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 5 [2018-07-23 13:41:28,825 INFO L349 BasicCegarLoop]: Found error trace [2018-07-23 13:41:28,825 INFO L357 BasicCegarLoop]: trace histogram [1, 1, 1, 1] [2018-07-23 13:41:28,826 INFO L414 AbstractCegarLoop]: === Iteration 2 === [ULTIMATE.startErr0AssertViolationASSERT]=== [2018-07-23 13:41:28,826 INFO L82 PathProgramCache]: Analyzing trace with hash 928552, now seen corresponding path program 1 times [2018-07-23 13:41:28,826 INFO L69 tionRefinementEngine]: Using refinement strategy FixedRefinementStrategy [2018-07-23 13:41:28,838 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-07-23 13:41:28,873 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 13:41:28,874 INFO L309 seRefinementStrategy]: Constructing automaton from 0 perfect and 1 imperfect interpolant sequences. [2018-07-23 13:41:28,874 INFO L324 seRefinementStrategy]: Number of different interpolants: perfect sequences [] imperfect sequences [3] total 3 [2018-07-23 13:41:28,875 INFO L142 lantAutomatonBuilder]: Constructing canonical interpolant automaton, with selfloop in false state [2018-07-23 13:41:28,875 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2018-07-23 13:41:28,875 INFO L185 omatonBuilderFactory]: Interpolants [37#true, 38#false, 39#(<= ULTIMATE.start_main_~x~4 10), 40#(<= ULTIMATE.start_main_~x~4 12)] [2018-07-23 13:41:28,875 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 13:41:28,879 INFO L450 AbstractCegarLoop]: Interpolant automaton has 4 states [2018-07-23 13:41:28,879 INFO L132 InterpolantAutomaton]: Constructing interpolant automaton starting with 4 interpolants. [2018-07-23 13:41:28,879 INFO L133 InterpolantAutomaton]: CoverageRelationStatistics Valid=6, Invalid=6, Unknown=0, NotChecked=0, Total=12 [2018-07-23 13:41:28,880 INFO L87 Difference]: Start difference. First operand 5 states and 5 transitions. Second operand 4 states. [2018-07-23 13:41:28,898 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2018-07-23 13:41:28,899 INFO L93 Difference]: Finished difference Result 8 states and 8 transitions. [2018-07-23 13:41:28,899 INFO L142 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 4 states. [2018-07-23 13:41:28,900 INFO L78 Accepts]: Start accepts. Automaton has 4 states. Word has length 4 [2018-07-23 13:41:28,900 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2018-07-23 13:41:28,900 INFO L225 Difference]: With dead ends: 8 [2018-07-23 13:41:28,900 INFO L226 Difference]: Without dead ends: 6 [2018-07-23 13:41:28,902 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 13:41:28,902 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 6 states. [2018-07-23 13:41:28,904 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 6 to 6. [2018-07-23 13:41:28,904 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 6 states. [2018-07-23 13:41:28,904 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 6 states to 6 states and 6 transitions. [2018-07-23 13:41:28,905 INFO L78 Accepts]: Start accepts. Automaton has 6 states and 6 transitions. Word has length 4 [2018-07-23 13:41:28,905 INFO L84 Accepts]: Finished accepts. word is rejected. [2018-07-23 13:41:28,905 INFO L471 AbstractCegarLoop]: Abstraction has 6 states and 6 transitions. [2018-07-23 13:41:28,905 INFO L472 AbstractCegarLoop]: Interpolant automaton has 4 states. [2018-07-23 13:41:28,906 INFO L276 IsEmpty]: Start isEmpty. Operand 6 states and 6 transitions. [2018-07-23 13:41:28,906 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 6 [2018-07-23 13:41:28,906 INFO L349 BasicCegarLoop]: Found error trace [2018-07-23 13:41:28,906 INFO L357 BasicCegarLoop]: trace histogram [2, 1, 1, 1] [2018-07-23 13:41:28,907 INFO L414 AbstractCegarLoop]: === Iteration 3 === [ULTIMATE.startErr0AssertViolationASSERT]=== [2018-07-23 13:41:28,907 INFO L82 PathProgramCache]: Analyzing trace with hash 28783137, now seen corresponding path program 2 times [2018-07-23 13:41:28,907 INFO L69 tionRefinementEngine]: Using refinement strategy FixedRefinementStrategy [2018-07-23 13:41:28,914 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-07-23 13:41:28,941 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 13:41:28,942 INFO L309 seRefinementStrategy]: Constructing automaton from 0 perfect and 1 imperfect interpolant sequences. [2018-07-23 13:41:28,942 INFO L324 seRefinementStrategy]: Number of different interpolants: perfect sequences [] imperfect sequences [4] total 4 [2018-07-23 13:41:28,942 INFO L142 lantAutomatonBuilder]: Constructing canonical interpolant automaton, with selfloop in false state [2018-07-23 13:41:28,942 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 13:41:28,943 INFO L185 omatonBuilderFactory]: Interpolants [69#true, 70#false, 71#(<= ULTIMATE.start_main_~x~4 10), 72#(<= ULTIMATE.start_main_~x~4 12), 73#(<= ULTIMATE.start_main_~x~4 14)] [2018-07-23 13:41:28,943 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 13:41:28,943 INFO L450 AbstractCegarLoop]: Interpolant automaton has 5 states [2018-07-23 13:41:28,944 INFO L132 InterpolantAutomaton]: Constructing interpolant automaton starting with 5 interpolants. [2018-07-23 13:41:28,944 INFO L133 InterpolantAutomaton]: CoverageRelationStatistics Valid=10, Invalid=10, Unknown=0, NotChecked=0, Total=20 [2018-07-23 13:41:28,944 INFO L87 Difference]: Start difference. First operand 6 states and 6 transitions. Second operand 5 states. [2018-07-23 13:41:28,960 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2018-07-23 13:41:28,960 INFO L93 Difference]: Finished difference Result 9 states and 9 transitions. [2018-07-23 13:41:28,961 INFO L142 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 5 states. [2018-07-23 13:41:28,961 INFO L78 Accepts]: Start accepts. Automaton has 5 states. Word has length 5 [2018-07-23 13:41:28,961 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2018-07-23 13:41:28,962 INFO L225 Difference]: With dead ends: 9 [2018-07-23 13:41:28,962 INFO L226 Difference]: Without dead ends: 7 [2018-07-23 13:41:28,963 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 13:41:28,963 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 7 states. [2018-07-23 13:41:28,965 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 7 to 7. [2018-07-23 13:41:28,965 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 7 states. [2018-07-23 13:41:28,965 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 7 states to 7 states and 7 transitions. [2018-07-23 13:41:28,966 INFO L78 Accepts]: Start accepts. Automaton has 7 states and 7 transitions. Word has length 5 [2018-07-23 13:41:28,966 INFO L84 Accepts]: Finished accepts. word is rejected. [2018-07-23 13:41:28,966 INFO L471 AbstractCegarLoop]: Abstraction has 7 states and 7 transitions. [2018-07-23 13:41:28,966 INFO L472 AbstractCegarLoop]: Interpolant automaton has 5 states. [2018-07-23 13:41:28,966 INFO L276 IsEmpty]: Start isEmpty. Operand 7 states and 7 transitions. [2018-07-23 13:41:28,967 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 7 [2018-07-23 13:41:28,967 INFO L349 BasicCegarLoop]: Found error trace [2018-07-23 13:41:28,967 INFO L357 BasicCegarLoop]: trace histogram [3, 1, 1, 1] [2018-07-23 13:41:28,967 INFO L414 AbstractCegarLoop]: === Iteration 4 === [ULTIMATE.startErr0AssertViolationASSERT]=== [2018-07-23 13:41:28,968 INFO L82 PathProgramCache]: Analyzing trace with hash 892275272, now seen corresponding path program 3 times [2018-07-23 13:41:28,968 INFO L69 tionRefinementEngine]: Using refinement strategy FixedRefinementStrategy [2018-07-23 13:41:28,975 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-07-23 13:41:29,002 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 13:41:29,003 INFO L309 seRefinementStrategy]: Constructing automaton from 0 perfect and 1 imperfect interpolant sequences. [2018-07-23 13:41:29,003 INFO L324 seRefinementStrategy]: Number of different interpolants: perfect sequences [] imperfect sequences [5] total 5 [2018-07-23 13:41:29,003 INFO L142 lantAutomatonBuilder]: Constructing canonical interpolant automaton, with selfloop in false state [2018-07-23 13:41:29,004 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2018-07-23 13:41:29,004 INFO L185 omatonBuilderFactory]: Interpolants [106#true, 107#false, 108#(<= ULTIMATE.start_main_~x~4 10), 109#(<= ULTIMATE.start_main_~x~4 12), 110#(<= ULTIMATE.start_main_~x~4 14), 111#(<= ULTIMATE.start_main_~x~4 16)] [2018-07-23 13:41:29,004 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 13:41:29,004 INFO L450 AbstractCegarLoop]: Interpolant automaton has 6 states [2018-07-23 13:41:29,005 INFO L132 InterpolantAutomaton]: Constructing interpolant automaton starting with 6 interpolants. [2018-07-23 13:41:29,005 INFO L133 InterpolantAutomaton]: CoverageRelationStatistics Valid=15, Invalid=15, Unknown=0, NotChecked=0, Total=30 [2018-07-23 13:41:29,006 INFO L87 Difference]: Start difference. First operand 7 states and 7 transitions. Second operand 6 states. [2018-07-23 13:41:29,031 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2018-07-23 13:41:29,031 INFO L93 Difference]: Finished difference Result 10 states and 10 transitions. [2018-07-23 13:41:29,032 INFO L142 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 6 states. [2018-07-23 13:41:29,032 INFO L78 Accepts]: Start accepts. Automaton has 6 states. Word has length 6 [2018-07-23 13:41:29,032 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2018-07-23 13:41:29,033 INFO L225 Difference]: With dead ends: 10 [2018-07-23 13:41:29,033 INFO L226 Difference]: Without dead ends: 8 [2018-07-23 13:41:29,035 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 13:41:29,036 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 8 states. [2018-07-23 13:41:29,039 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 8 to 8. [2018-07-23 13:41:29,039 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 8 states. [2018-07-23 13:41:29,042 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 8 states to 8 states and 8 transitions. [2018-07-23 13:41:29,042 INFO L78 Accepts]: Start accepts. Automaton has 8 states and 8 transitions. Word has length 6 [2018-07-23 13:41:29,042 INFO L84 Accepts]: Finished accepts. word is rejected. [2018-07-23 13:41:29,042 INFO L471 AbstractCegarLoop]: Abstraction has 8 states and 8 transitions. [2018-07-23 13:41:29,042 INFO L472 AbstractCegarLoop]: Interpolant automaton has 6 states. [2018-07-23 13:41:29,043 INFO L276 IsEmpty]: Start isEmpty. Operand 8 states and 8 transitions. [2018-07-23 13:41:29,043 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 8 [2018-07-23 13:41:29,043 INFO L349 BasicCegarLoop]: Found error trace [2018-07-23 13:41:29,044 INFO L357 BasicCegarLoop]: trace histogram [4, 1, 1, 1] [2018-07-23 13:41:29,044 INFO L414 AbstractCegarLoop]: === Iteration 5 === [ULTIMATE.startErr0AssertViolationASSERT]=== [2018-07-23 13:41:29,045 INFO L82 PathProgramCache]: Analyzing trace with hash 1890727681, now seen corresponding path program 4 times [2018-07-23 13:41:29,045 INFO L69 tionRefinementEngine]: Using refinement strategy FixedRefinementStrategy [2018-07-23 13:41:29,064 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-07-23 13:41:29,126 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 13:41:29,130 INFO L309 seRefinementStrategy]: Constructing automaton from 0 perfect and 1 imperfect interpolant sequences. [2018-07-23 13:41:29,130 INFO L324 seRefinementStrategy]: Number of different interpolants: perfect sequences [] imperfect sequences [6] total 6 [2018-07-23 13:41:29,130 INFO L142 lantAutomatonBuilder]: Constructing canonical interpolant automaton, with selfloop in false state [2018-07-23 13:41:29,130 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 13:41:29,131 INFO L185 omatonBuilderFactory]: Interpolants [148#true, 149#false, 150#(<= ULTIMATE.start_main_~x~4 10), 151#(<= ULTIMATE.start_main_~x~4 12), 152#(<= ULTIMATE.start_main_~x~4 14), 153#(<= ULTIMATE.start_main_~x~4 16), 154#(<= ULTIMATE.start_main_~x~4 18)] [2018-07-23 13:41:29,131 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 13:41:29,131 INFO L450 AbstractCegarLoop]: Interpolant automaton has 7 states [2018-07-23 13:41:29,132 INFO L132 InterpolantAutomaton]: Constructing interpolant automaton starting with 7 interpolants. [2018-07-23 13:41:29,132 INFO L133 InterpolantAutomaton]: CoverageRelationStatistics Valid=21, Invalid=21, Unknown=0, NotChecked=0, Total=42 [2018-07-23 13:41:29,134 INFO L87 Difference]: Start difference. First operand 8 states and 8 transitions. Second operand 7 states. [2018-07-23 13:41:29,157 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2018-07-23 13:41:29,157 INFO L93 Difference]: Finished difference Result 11 states and 11 transitions. [2018-07-23 13:41:29,158 INFO L142 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 7 states. [2018-07-23 13:41:29,158 INFO L78 Accepts]: Start accepts. Automaton has 7 states. Word has length 7 [2018-07-23 13:41:29,159 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2018-07-23 13:41:29,159 INFO L225 Difference]: With dead ends: 11 [2018-07-23 13:41:29,159 INFO L226 Difference]: Without dead ends: 9 [2018-07-23 13:41:29,160 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 13:41:29,160 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 9 states. [2018-07-23 13:41:29,162 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 9 to 9. [2018-07-23 13:41:29,162 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 9 states. [2018-07-23 13:41:29,163 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 9 states to 9 states and 9 transitions. [2018-07-23 13:41:29,163 INFO L78 Accepts]: Start accepts. Automaton has 9 states and 9 transitions. Word has length 7 [2018-07-23 13:41:29,163 INFO L84 Accepts]: Finished accepts. word is rejected. [2018-07-23 13:41:29,163 INFO L471 AbstractCegarLoop]: Abstraction has 9 states and 9 transitions. [2018-07-23 13:41:29,164 INFO L472 AbstractCegarLoop]: Interpolant automaton has 7 states. [2018-07-23 13:41:29,164 INFO L276 IsEmpty]: Start isEmpty. Operand 9 states and 9 transitions. [2018-07-23 13:41:29,164 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 9 [2018-07-23 13:41:29,164 INFO L349 BasicCegarLoop]: Found error trace [2018-07-23 13:41:29,164 INFO L357 BasicCegarLoop]: trace histogram [5, 1, 1, 1] [2018-07-23 13:41:29,165 INFO L414 AbstractCegarLoop]: === Iteration 6 === [ULTIMATE.startErr0AssertViolationASSERT]=== [2018-07-23 13:41:29,165 INFO L82 PathProgramCache]: Analyzing trace with hash -1516986008, now seen corresponding path program 5 times [2018-07-23 13:41:29,165 INFO L69 tionRefinementEngine]: Using refinement strategy FixedRefinementStrategy [2018-07-23 13:41:29,172 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-07-23 13:41:29,209 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 13:41:29,209 INFO L309 seRefinementStrategy]: Constructing automaton from 0 perfect and 1 imperfect interpolant sequences. [2018-07-23 13:41:29,209 INFO L324 seRefinementStrategy]: Number of different interpolants: perfect sequences [] imperfect sequences [7] total 7 [2018-07-23 13:41:29,210 INFO L142 lantAutomatonBuilder]: Constructing canonical interpolant automaton, with selfloop in false state [2018-07-23 13:41:29,210 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 13:41:29,213 INFO L185 omatonBuilderFactory]: Interpolants [195#true, 196#false, 197#(<= ULTIMATE.start_main_~x~4 10), 198#(<= ULTIMATE.start_main_~x~4 12), 199#(<= ULTIMATE.start_main_~x~4 14), 200#(<= ULTIMATE.start_main_~x~4 16), 201#(<= ULTIMATE.start_main_~x~4 18), 202#(<= ULTIMATE.start_main_~x~4 20)] [2018-07-23 13:41:29,213 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 13:41:29,213 INFO L450 AbstractCegarLoop]: Interpolant automaton has 8 states [2018-07-23 13:41:29,214 INFO L132 InterpolantAutomaton]: Constructing interpolant automaton starting with 8 interpolants. [2018-07-23 13:41:29,214 INFO L133 InterpolantAutomaton]: CoverageRelationStatistics Valid=28, Invalid=28, Unknown=0, NotChecked=0, Total=56 [2018-07-23 13:41:29,215 INFO L87 Difference]: Start difference. First operand 9 states and 9 transitions. Second operand 8 states. [2018-07-23 13:41:29,256 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2018-07-23 13:41:29,256 INFO L93 Difference]: Finished difference Result 12 states and 12 transitions. [2018-07-23 13:41:29,259 INFO L142 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 8 states. [2018-07-23 13:41:29,260 INFO L78 Accepts]: Start accepts. Automaton has 8 states. Word has length 8 [2018-07-23 13:41:29,260 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2018-07-23 13:41:29,261 INFO L225 Difference]: With dead ends: 12 [2018-07-23 13:41:29,261 INFO L226 Difference]: Without dead ends: 10 [2018-07-23 13:41:29,261 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 13:41:29,262 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 10 states. [2018-07-23 13:41:29,267 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 10 to 10. [2018-07-23 13:41:29,267 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 10 states. [2018-07-23 13:41:29,267 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 10 states to 10 states and 10 transitions. [2018-07-23 13:41:29,268 INFO L78 Accepts]: Start accepts. Automaton has 10 states and 10 transitions. Word has length 8 [2018-07-23 13:41:29,268 INFO L84 Accepts]: Finished accepts. word is rejected. [2018-07-23 13:41:29,268 INFO L471 AbstractCegarLoop]: Abstraction has 10 states and 10 transitions. [2018-07-23 13:41:29,270 INFO L472 AbstractCegarLoop]: Interpolant automaton has 8 states. [2018-07-23 13:41:29,270 INFO L276 IsEmpty]: Start isEmpty. Operand 10 states and 10 transitions. [2018-07-23 13:41:29,271 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 10 [2018-07-23 13:41:29,271 INFO L349 BasicCegarLoop]: Found error trace [2018-07-23 13:41:29,271 INFO L357 BasicCegarLoop]: trace histogram [6, 1, 1, 1] [2018-07-23 13:41:29,271 INFO L414 AbstractCegarLoop]: === Iteration 7 === [ULTIMATE.startErr0AssertViolationASSERT]=== [2018-07-23 13:41:29,272 INFO L82 PathProgramCache]: Analyzing trace with hash 218072033, now seen corresponding path program 6 times [2018-07-23 13:41:29,272 INFO L69 tionRefinementEngine]: Using refinement strategy FixedRefinementStrategy [2018-07-23 13:41:29,290 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-07-23 13:41:29,357 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 13:41:29,358 INFO L309 seRefinementStrategy]: Constructing automaton from 0 perfect and 1 imperfect interpolant sequences. [2018-07-23 13:41:29,358 INFO L324 seRefinementStrategy]: Number of different interpolants: perfect sequences [] imperfect sequences [8] total 8 [2018-07-23 13:41:29,358 INFO L142 lantAutomatonBuilder]: Constructing canonical interpolant automaton, with selfloop in false state [2018-07-23 13:41:29,359 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2018-07-23 13:41:29,359 INFO L185 omatonBuilderFactory]: Interpolants [247#true, 248#false, 249#(<= ULTIMATE.start_main_~x~4 10), 250#(<= ULTIMATE.start_main_~x~4 12), 251#(<= ULTIMATE.start_main_~x~4 14), 252#(<= ULTIMATE.start_main_~x~4 16), 253#(<= ULTIMATE.start_main_~x~4 18), 254#(<= ULTIMATE.start_main_~x~4 20), 255#(<= ULTIMATE.start_main_~x~4 22)] [2018-07-23 13:41:29,359 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 13:41:29,360 INFO L450 AbstractCegarLoop]: Interpolant automaton has 9 states [2018-07-23 13:41:29,360 INFO L132 InterpolantAutomaton]: Constructing interpolant automaton starting with 9 interpolants. [2018-07-23 13:41:29,360 INFO L133 InterpolantAutomaton]: CoverageRelationStatistics Valid=36, Invalid=36, Unknown=0, NotChecked=0, Total=72 [2018-07-23 13:41:29,361 INFO L87 Difference]: Start difference. First operand 10 states and 10 transitions. Second operand 9 states. [2018-07-23 13:41:29,377 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2018-07-23 13:41:29,377 INFO L93 Difference]: Finished difference Result 13 states and 13 transitions. [2018-07-23 13:41:29,378 INFO L142 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 9 states. [2018-07-23 13:41:29,378 INFO L78 Accepts]: Start accepts. Automaton has 9 states. Word has length 9 [2018-07-23 13:41:29,378 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2018-07-23 13:41:29,379 INFO L225 Difference]: With dead ends: 13 [2018-07-23 13:41:29,379 INFO L226 Difference]: Without dead ends: 11 [2018-07-23 13:41:29,380 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 13:41:29,380 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 11 states. [2018-07-23 13:41:29,382 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 11 to 11. [2018-07-23 13:41:29,383 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 11 states. [2018-07-23 13:41:29,383 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 11 states to 11 states and 11 transitions. [2018-07-23 13:41:29,383 INFO L78 Accepts]: Start accepts. Automaton has 11 states and 11 transitions. Word has length 9 [2018-07-23 13:41:29,384 INFO L84 Accepts]: Finished accepts. word is rejected. [2018-07-23 13:41:29,384 INFO L471 AbstractCegarLoop]: Abstraction has 11 states and 11 transitions. [2018-07-23 13:41:29,384 INFO L472 AbstractCegarLoop]: Interpolant automaton has 9 states. [2018-07-23 13:41:29,384 INFO L276 IsEmpty]: Start isEmpty. Operand 11 states and 11 transitions. [2018-07-23 13:41:29,385 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 11 [2018-07-23 13:41:29,385 INFO L349 BasicCegarLoop]: Found error trace [2018-07-23 13:41:29,385 INFO L357 BasicCegarLoop]: trace histogram [7, 1, 1, 1] [2018-07-23 13:41:29,385 INFO L414 AbstractCegarLoop]: === Iteration 8 === [ULTIMATE.startErr0AssertViolationASSERT]=== [2018-07-23 13:41:29,386 INFO L82 PathProgramCache]: Analyzing trace with hash -1829703544, now seen corresponding path program 7 times [2018-07-23 13:41:29,386 INFO L69 tionRefinementEngine]: Using refinement strategy FixedRefinementStrategy [2018-07-23 13:41:29,392 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-07-23 13:41:29,426 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 13:41:29,426 INFO L309 seRefinementStrategy]: Constructing automaton from 0 perfect and 1 imperfect interpolant sequences. [2018-07-23 13:41:29,427 INFO L324 seRefinementStrategy]: Number of different interpolants: perfect sequences [] imperfect sequences [9] total 9 [2018-07-23 13:41:29,427 INFO L142 lantAutomatonBuilder]: Constructing canonical interpolant automaton, with selfloop in false state [2018-07-23 13:41:29,427 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 13:41:29,428 INFO L185 omatonBuilderFactory]: Interpolants [304#true, 305#false, 306#(<= ULTIMATE.start_main_~x~4 10), 307#(<= ULTIMATE.start_main_~x~4 12), 308#(<= ULTIMATE.start_main_~x~4 14), 309#(<= ULTIMATE.start_main_~x~4 16), 310#(<= ULTIMATE.start_main_~x~4 18), 311#(<= ULTIMATE.start_main_~x~4 20), 312#(<= ULTIMATE.start_main_~x~4 22), 313#(<= ULTIMATE.start_main_~x~4 24)] [2018-07-23 13:41:29,428 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 13:41:29,428 INFO L450 AbstractCegarLoop]: Interpolant automaton has 10 states [2018-07-23 13:41:29,429 INFO L132 InterpolantAutomaton]: Constructing interpolant automaton starting with 10 interpolants. [2018-07-23 13:41:29,429 INFO L133 InterpolantAutomaton]: CoverageRelationStatistics Valid=45, Invalid=45, Unknown=0, NotChecked=0, Total=90 [2018-07-23 13:41:29,429 INFO L87 Difference]: Start difference. First operand 11 states and 11 transitions. Second operand 10 states. [2018-07-23 13:41:29,446 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2018-07-23 13:41:29,447 INFO L93 Difference]: Finished difference Result 14 states and 14 transitions. [2018-07-23 13:41:29,447 INFO L142 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 10 states. [2018-07-23 13:41:29,447 INFO L78 Accepts]: Start accepts. Automaton has 10 states. Word has length 10 [2018-07-23 13:41:29,448 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2018-07-23 13:41:29,448 INFO L225 Difference]: With dead ends: 14 [2018-07-23 13:41:29,448 INFO L226 Difference]: Without dead ends: 12 [2018-07-23 13:41:29,449 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 13:41:29,449 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 12 states. [2018-07-23 13:41:29,452 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 12 to 12. [2018-07-23 13:41:29,452 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 12 states. [2018-07-23 13:41:29,453 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 12 states to 12 states and 12 transitions. [2018-07-23 13:41:29,453 INFO L78 Accepts]: Start accepts. Automaton has 12 states and 12 transitions. Word has length 10 [2018-07-23 13:41:29,454 INFO L84 Accepts]: Finished accepts. word is rejected. [2018-07-23 13:41:29,454 INFO L471 AbstractCegarLoop]: Abstraction has 12 states and 12 transitions. [2018-07-23 13:41:29,454 INFO L472 AbstractCegarLoop]: Interpolant automaton has 10 states. [2018-07-23 13:41:29,454 INFO L276 IsEmpty]: Start isEmpty. Operand 12 states and 12 transitions. [2018-07-23 13:41:29,455 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 12 [2018-07-23 13:41:29,455 INFO L349 BasicCegarLoop]: Found error trace [2018-07-23 13:41:29,455 INFO L357 BasicCegarLoop]: trace histogram [8, 1, 1, 1] [2018-07-23 13:41:29,455 INFO L414 AbstractCegarLoop]: === Iteration 9 === [ULTIMATE.startErr0AssertViolationASSERT]=== [2018-07-23 13:41:29,456 INFO L82 PathProgramCache]: Analyzing trace with hash -886236991, now seen corresponding path program 8 times [2018-07-23 13:41:29,456 INFO L69 tionRefinementEngine]: Using refinement strategy FixedRefinementStrategy [2018-07-23 13:41:29,461 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-07-23 13:41:29,508 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 13:41:29,508 INFO L309 seRefinementStrategy]: Constructing automaton from 0 perfect and 1 imperfect interpolant sequences. [2018-07-23 13:41:29,508 INFO L324 seRefinementStrategy]: Number of different interpolants: perfect sequences [] imperfect sequences [10] total 10 [2018-07-23 13:41:29,509 INFO L142 lantAutomatonBuilder]: Constructing canonical interpolant automaton, with selfloop in false state [2018-07-23 13:41:29,509 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2018-07-23 13:41:29,509 INFO L185 omatonBuilderFactory]: Interpolants [368#(<= ULTIMATE.start_main_~x~4 10), 369#(<= ULTIMATE.start_main_~x~4 12), 370#(<= ULTIMATE.start_main_~x~4 14), 371#(<= ULTIMATE.start_main_~x~4 16), 372#(<= ULTIMATE.start_main_~x~4 18), 373#(<= ULTIMATE.start_main_~x~4 20), 374#(<= ULTIMATE.start_main_~x~4 22), 375#(<= ULTIMATE.start_main_~x~4 24), 376#(<= ULTIMATE.start_main_~x~4 26), 366#true, 367#false] [2018-07-23 13:41:29,510 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 13:41:29,510 INFO L450 AbstractCegarLoop]: Interpolant automaton has 11 states [2018-07-23 13:41:29,516 INFO L132 InterpolantAutomaton]: Constructing interpolant automaton starting with 11 interpolants. [2018-07-23 13:41:29,516 INFO L133 InterpolantAutomaton]: CoverageRelationStatistics Valid=55, Invalid=55, Unknown=0, NotChecked=0, Total=110 [2018-07-23 13:41:29,517 INFO L87 Difference]: Start difference. First operand 12 states and 12 transitions. Second operand 11 states. [2018-07-23 13:41:29,544 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2018-07-23 13:41:29,546 INFO L93 Difference]: Finished difference Result 15 states and 15 transitions. [2018-07-23 13:41:29,546 INFO L142 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 11 states. [2018-07-23 13:41:29,546 INFO L78 Accepts]: Start accepts. Automaton has 11 states. Word has length 11 [2018-07-23 13:41:29,547 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2018-07-23 13:41:29,548 INFO L225 Difference]: With dead ends: 15 [2018-07-23 13:41:29,548 INFO L226 Difference]: Without dead ends: 13 [2018-07-23 13:41:29,549 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 13:41:29,549 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 13 states. [2018-07-23 13:41:29,552 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 13 to 13. [2018-07-23 13:41:29,552 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 13 states. [2018-07-23 13:41:29,552 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 13 states to 13 states and 13 transitions. [2018-07-23 13:41:29,553 INFO L78 Accepts]: Start accepts. Automaton has 13 states and 13 transitions. Word has length 11 [2018-07-23 13:41:29,553 INFO L84 Accepts]: Finished accepts. word is rejected. [2018-07-23 13:41:29,553 INFO L471 AbstractCegarLoop]: Abstraction has 13 states and 13 transitions. [2018-07-23 13:41:29,553 INFO L472 AbstractCegarLoop]: Interpolant automaton has 11 states. [2018-07-23 13:41:29,554 INFO L276 IsEmpty]: Start isEmpty. Operand 13 states and 13 transitions. [2018-07-23 13:41:29,554 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 13 [2018-07-23 13:41:29,554 INFO L349 BasicCegarLoop]: Found error trace [2018-07-23 13:41:29,555 INFO L357 BasicCegarLoop]: trace histogram [9, 1, 1, 1] [2018-07-23 13:41:29,555 INFO L414 AbstractCegarLoop]: === Iteration 10 === [ULTIMATE.startErr0AssertViolationASSERT]=== [2018-07-23 13:41:29,555 INFO L82 PathProgramCache]: Analyzing trace with hash -1703544920, now seen corresponding path program 9 times [2018-07-23 13:41:29,556 INFO L69 tionRefinementEngine]: Using refinement strategy FixedRefinementStrategy [2018-07-23 13:41:29,562 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-07-23 13:41:29,637 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 13:41:29,637 INFO L309 seRefinementStrategy]: Constructing automaton from 0 perfect and 1 imperfect interpolant sequences. [2018-07-23 13:41:29,637 INFO L324 seRefinementStrategy]: Number of different interpolants: perfect sequences [] imperfect sequences [11] total 11 [2018-07-23 13:41:29,638 INFO L142 lantAutomatonBuilder]: Constructing canonical interpolant automaton, with selfloop in false state [2018-07-23 13:41:29,638 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2018-07-23 13:41:29,640 INFO L185 omatonBuilderFactory]: Interpolants [433#true, 434#false, 435#(<= ULTIMATE.start_main_~x~4 10), 436#(<= ULTIMATE.start_main_~x~4 12), 437#(<= ULTIMATE.start_main_~x~4 14), 438#(<= ULTIMATE.start_main_~x~4 16), 439#(<= ULTIMATE.start_main_~x~4 18), 440#(<= ULTIMATE.start_main_~x~4 20), 441#(<= ULTIMATE.start_main_~x~4 22), 442#(<= ULTIMATE.start_main_~x~4 24), 443#(<= ULTIMATE.start_main_~x~4 26), 444#(<= ULTIMATE.start_main_~x~4 28)] [2018-07-23 13:41:29,640 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 13:41:29,641 INFO L450 AbstractCegarLoop]: Interpolant automaton has 12 states [2018-07-23 13:41:29,641 INFO L132 InterpolantAutomaton]: Constructing interpolant automaton starting with 12 interpolants. [2018-07-23 13:41:29,641 INFO L133 InterpolantAutomaton]: CoverageRelationStatistics Valid=66, Invalid=66, Unknown=0, NotChecked=0, Total=132 [2018-07-23 13:41:29,642 INFO L87 Difference]: Start difference. First operand 13 states and 13 transitions. Second operand 12 states. [2018-07-23 13:41:29,666 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2018-07-23 13:41:29,666 INFO L93 Difference]: Finished difference Result 16 states and 16 transitions. [2018-07-23 13:41:29,667 INFO L142 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 12 states. [2018-07-23 13:41:29,667 INFO L78 Accepts]: Start accepts. Automaton has 12 states. Word has length 12 [2018-07-23 13:41:29,668 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2018-07-23 13:41:29,668 INFO L225 Difference]: With dead ends: 16 [2018-07-23 13:41:29,668 INFO L226 Difference]: Without dead ends: 14 [2018-07-23 13:41:29,669 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 13:41:29,673 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 14 states. [2018-07-23 13:41:29,677 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 14 to 14. [2018-07-23 13:41:29,678 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 14 states. [2018-07-23 13:41:29,678 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 14 states to 14 states and 14 transitions. [2018-07-23 13:41:29,678 INFO L78 Accepts]: Start accepts. Automaton has 14 states and 14 transitions. Word has length 12 [2018-07-23 13:41:29,679 INFO L84 Accepts]: Finished accepts. word is rejected. [2018-07-23 13:41:29,679 INFO L471 AbstractCegarLoop]: Abstraction has 14 states and 14 transitions. [2018-07-23 13:41:29,679 INFO L472 AbstractCegarLoop]: Interpolant automaton has 12 states. [2018-07-23 13:41:29,679 INFO L276 IsEmpty]: Start isEmpty. Operand 14 states and 14 transitions. [2018-07-23 13:41:29,680 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 14 [2018-07-23 13:41:29,680 INFO L349 BasicCegarLoop]: Found error trace [2018-07-23 13:41:29,680 INFO L357 BasicCegarLoop]: trace histogram [10, 1, 1, 1] [2018-07-23 13:41:29,680 INFO L414 AbstractCegarLoop]: === Iteration 11 === [ULTIMATE.startErr0AssertViolationASSERT]=== [2018-07-23 13:41:29,681 INFO L82 PathProgramCache]: Analyzing trace with hash -1270286943, now seen corresponding path program 10 times [2018-07-23 13:41:29,681 INFO L69 tionRefinementEngine]: Using refinement strategy FixedRefinementStrategy [2018-07-23 13:41:29,688 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-07-23 13:41:29,758 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 13:41:29,758 INFO L309 seRefinementStrategy]: Constructing automaton from 0 perfect and 1 imperfect interpolant sequences. [2018-07-23 13:41:29,759 INFO L324 seRefinementStrategy]: Number of different interpolants: perfect sequences [] imperfect sequences [12] total 12 [2018-07-23 13:41:29,759 INFO L142 lantAutomatonBuilder]: Constructing canonical interpolant automaton, with selfloop in false state [2018-07-23 13:41:29,764 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2018-07-23 13:41:29,764 INFO L185 omatonBuilderFactory]: Interpolants [512#(<= ULTIMATE.start_main_~x~4 20), 513#(<= ULTIMATE.start_main_~x~4 22), 514#(<= ULTIMATE.start_main_~x~4 24), 515#(<= ULTIMATE.start_main_~x~4 26), 516#(<= ULTIMATE.start_main_~x~4 28), 517#(<= ULTIMATE.start_main_~x~4 30), 505#true, 506#false, 507#(<= ULTIMATE.start_main_~x~4 10), 508#(<= ULTIMATE.start_main_~x~4 12), 509#(<= ULTIMATE.start_main_~x~4 14), 510#(<= ULTIMATE.start_main_~x~4 16), 511#(<= ULTIMATE.start_main_~x~4 18)] [2018-07-23 13:41:29,765 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 13:41:29,765 INFO L450 AbstractCegarLoop]: Interpolant automaton has 13 states [2018-07-23 13:41:29,765 INFO L132 InterpolantAutomaton]: Constructing interpolant automaton starting with 13 interpolants. [2018-07-23 13:41:29,766 INFO L133 InterpolantAutomaton]: CoverageRelationStatistics Valid=78, Invalid=78, Unknown=0, NotChecked=0, Total=156 [2018-07-23 13:41:29,766 INFO L87 Difference]: Start difference. First operand 14 states and 14 transitions. Second operand 13 states. [2018-07-23 13:41:29,782 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2018-07-23 13:41:29,783 INFO L93 Difference]: Finished difference Result 17 states and 17 transitions. [2018-07-23 13:41:29,783 INFO L142 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 13 states. [2018-07-23 13:41:29,783 INFO L78 Accepts]: Start accepts. Automaton has 13 states. Word has length 13 [2018-07-23 13:41:29,784 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2018-07-23 13:41:29,784 INFO L225 Difference]: With dead ends: 17 [2018-07-23 13:41:29,784 INFO L226 Difference]: Without dead ends: 15 [2018-07-23 13:41:29,785 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 13:41:29,785 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 15 states. [2018-07-23 13:41:29,788 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 15 to 15. [2018-07-23 13:41:29,788 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 15 states. [2018-07-23 13:41:29,789 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 15 states to 15 states and 15 transitions. [2018-07-23 13:41:29,789 INFO L78 Accepts]: Start accepts. Automaton has 15 states and 15 transitions. Word has length 13 [2018-07-23 13:41:29,790 INFO L84 Accepts]: Finished accepts. word is rejected. [2018-07-23 13:41:29,790 INFO L471 AbstractCegarLoop]: Abstraction has 15 states and 15 transitions. [2018-07-23 13:41:29,790 INFO L472 AbstractCegarLoop]: Interpolant automaton has 13 states. [2018-07-23 13:41:29,790 INFO L276 IsEmpty]: Start isEmpty. Operand 15 states and 15 transitions. [2018-07-23 13:41:29,791 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 15 [2018-07-23 13:41:29,791 INFO L349 BasicCegarLoop]: Found error trace [2018-07-23 13:41:29,791 INFO L357 BasicCegarLoop]: trace histogram [11, 1, 1, 1] [2018-07-23 13:41:29,791 INFO L414 AbstractCegarLoop]: === Iteration 12 === [ULTIMATE.startErr0AssertViolationASSERT]=== [2018-07-23 13:41:29,792 INFO L82 PathProgramCache]: Analyzing trace with hash -724191544, now seen corresponding path program 11 times [2018-07-23 13:41:29,792 INFO L69 tionRefinementEngine]: Using refinement strategy FixedRefinementStrategy [2018-07-23 13:41:29,797 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-07-23 13:41:29,836 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 13:41:29,836 INFO L309 seRefinementStrategy]: Constructing automaton from 0 perfect and 1 imperfect interpolant sequences. [2018-07-23 13:41:29,836 INFO L324 seRefinementStrategy]: Number of different interpolants: perfect sequences [] imperfect sequences [13] total 13 [2018-07-23 13:41:29,837 INFO L142 lantAutomatonBuilder]: Constructing canonical interpolant automaton, with selfloop in false state [2018-07-23 13:41:29,837 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2018-07-23 13:41:29,838 INFO L185 omatonBuilderFactory]: Interpolants [582#true, 583#false, 584#(<= ULTIMATE.start_main_~x~4 10), 585#(<= ULTIMATE.start_main_~x~4 12), 586#(<= ULTIMATE.start_main_~x~4 14), 587#(<= ULTIMATE.start_main_~x~4 16), 588#(<= ULTIMATE.start_main_~x~4 18), 589#(<= ULTIMATE.start_main_~x~4 20), 590#(<= ULTIMATE.start_main_~x~4 22), 591#(<= ULTIMATE.start_main_~x~4 24), 592#(<= ULTIMATE.start_main_~x~4 26), 593#(<= ULTIMATE.start_main_~x~4 28), 594#(<= ULTIMATE.start_main_~x~4 30), 595#(<= ULTIMATE.start_main_~x~4 32)] [2018-07-23 13:41:29,838 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 13:41:29,838 INFO L450 AbstractCegarLoop]: Interpolant automaton has 14 states [2018-07-23 13:41:29,839 INFO L132 InterpolantAutomaton]: Constructing interpolant automaton starting with 14 interpolants. [2018-07-23 13:41:29,839 INFO L133 InterpolantAutomaton]: CoverageRelationStatistics Valid=91, Invalid=91, Unknown=0, NotChecked=0, Total=182 [2018-07-23 13:41:29,839 INFO L87 Difference]: Start difference. First operand 15 states and 15 transitions. Second operand 14 states. [2018-07-23 13:41:29,856 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2018-07-23 13:41:29,856 INFO L93 Difference]: Finished difference Result 18 states and 18 transitions. [2018-07-23 13:41:29,856 INFO L142 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 14 states. [2018-07-23 13:41:29,857 INFO L78 Accepts]: Start accepts. Automaton has 14 states. Word has length 14 [2018-07-23 13:41:29,857 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2018-07-23 13:41:29,860 INFO L225 Difference]: With dead ends: 18 [2018-07-23 13:41:29,861 INFO L226 Difference]: Without dead ends: 16 [2018-07-23 13:41:29,861 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 13:41:29,862 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 16 states. [2018-07-23 13:41:29,865 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 16 to 16. [2018-07-23 13:41:29,866 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 16 states. [2018-07-23 13:41:29,867 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 16 states to 16 states and 16 transitions. [2018-07-23 13:41:29,867 INFO L78 Accepts]: Start accepts. Automaton has 16 states and 16 transitions. Word has length 14 [2018-07-23 13:41:29,867 INFO L84 Accepts]: Finished accepts. word is rejected. [2018-07-23 13:41:29,867 INFO L471 AbstractCegarLoop]: Abstraction has 16 states and 16 transitions. [2018-07-23 13:41:29,867 INFO L472 AbstractCegarLoop]: Interpolant automaton has 14 states. [2018-07-23 13:41:29,868 INFO L276 IsEmpty]: Start isEmpty. Operand 16 states and 16 transitions. [2018-07-23 13:41:29,868 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 16 [2018-07-23 13:41:29,871 INFO L349 BasicCegarLoop]: Found error trace [2018-07-23 13:41:29,872 INFO L357 BasicCegarLoop]: trace histogram [12, 1, 1, 1] [2018-07-23 13:41:29,872 INFO L414 AbstractCegarLoop]: === Iteration 13 === [ULTIMATE.startErr0AssertViolationASSERT]=== [2018-07-23 13:41:29,872 INFO L82 PathProgramCache]: Analyzing trace with hash -975103359, now seen corresponding path program 12 times [2018-07-23 13:41:29,872 INFO L69 tionRefinementEngine]: Using refinement strategy FixedRefinementStrategy [2018-07-23 13:41:29,885 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-07-23 13:41:29,940 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 13:41:29,941 INFO L309 seRefinementStrategy]: Constructing automaton from 0 perfect and 1 imperfect interpolant sequences. [2018-07-23 13:41:29,941 INFO L324 seRefinementStrategy]: Number of different interpolants: perfect sequences [] imperfect sequences [14] total 14 [2018-07-23 13:41:29,941 INFO L142 lantAutomatonBuilder]: Constructing canonical interpolant automaton, with selfloop in false state [2018-07-23 13:41:29,942 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 13:41:29,942 INFO L185 omatonBuilderFactory]: Interpolants [672#(<= ULTIMATE.start_main_~x~4 22), 673#(<= ULTIMATE.start_main_~x~4 24), 674#(<= ULTIMATE.start_main_~x~4 26), 675#(<= ULTIMATE.start_main_~x~4 28), 676#(<= ULTIMATE.start_main_~x~4 30), 677#(<= ULTIMATE.start_main_~x~4 32), 678#(<= ULTIMATE.start_main_~x~4 34), 664#true, 665#false, 666#(<= ULTIMATE.start_main_~x~4 10), 667#(<= ULTIMATE.start_main_~x~4 12), 668#(<= ULTIMATE.start_main_~x~4 14), 669#(<= ULTIMATE.start_main_~x~4 16), 670#(<= ULTIMATE.start_main_~x~4 18), 671#(<= ULTIMATE.start_main_~x~4 20)] [2018-07-23 13:41:29,942 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 13:41:29,943 INFO L450 AbstractCegarLoop]: Interpolant automaton has 15 states [2018-07-23 13:41:29,943 INFO L132 InterpolantAutomaton]: Constructing interpolant automaton starting with 15 interpolants. [2018-07-23 13:41:29,944 INFO L133 InterpolantAutomaton]: CoverageRelationStatistics Valid=105, Invalid=105, Unknown=0, NotChecked=0, Total=210 [2018-07-23 13:41:29,944 INFO L87 Difference]: Start difference. First operand 16 states and 16 transitions. Second operand 15 states. [2018-07-23 13:41:29,970 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2018-07-23 13:41:29,970 INFO L93 Difference]: Finished difference Result 19 states and 19 transitions. [2018-07-23 13:41:29,971 INFO L142 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 15 states. [2018-07-23 13:41:29,971 INFO L78 Accepts]: Start accepts. Automaton has 15 states. Word has length 15 [2018-07-23 13:41:29,971 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2018-07-23 13:41:29,972 INFO L225 Difference]: With dead ends: 19 [2018-07-23 13:41:29,972 INFO L226 Difference]: Without dead ends: 17 [2018-07-23 13:41:29,973 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 13:41:29,973 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 17 states. [2018-07-23 13:41:29,978 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 17 to 17. [2018-07-23 13:41:29,979 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 17 states. [2018-07-23 13:41:29,979 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 17 states to 17 states and 17 transitions. [2018-07-23 13:41:29,980 INFO L78 Accepts]: Start accepts. Automaton has 17 states and 17 transitions. Word has length 15 [2018-07-23 13:41:29,980 INFO L84 Accepts]: Finished accepts. word is rejected. [2018-07-23 13:41:29,980 INFO L471 AbstractCegarLoop]: Abstraction has 17 states and 17 transitions. [2018-07-23 13:41:29,981 INFO L472 AbstractCegarLoop]: Interpolant automaton has 15 states. [2018-07-23 13:41:29,982 INFO L276 IsEmpty]: Start isEmpty. Operand 17 states and 17 transitions. [2018-07-23 13:41:29,982 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 17 [2018-07-23 13:41:29,982 INFO L349 BasicCegarLoop]: Found error trace [2018-07-23 13:41:29,983 INFO L357 BasicCegarLoop]: trace histogram [13, 1, 1, 1] [2018-07-23 13:41:29,983 INFO L414 AbstractCegarLoop]: === Iteration 14 === [ULTIMATE.startErr0AssertViolationASSERT]=== [2018-07-23 13:41:29,983 INFO L82 PathProgramCache]: Analyzing trace with hash -163435032, now seen corresponding path program 13 times [2018-07-23 13:41:29,984 INFO L69 tionRefinementEngine]: Using refinement strategy FixedRefinementStrategy [2018-07-23 13:41:29,992 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-07-23 13:41:30,054 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 13:41:30,054 INFO L309 seRefinementStrategy]: Constructing automaton from 0 perfect and 1 imperfect interpolant sequences. [2018-07-23 13:41:30,055 INFO L324 seRefinementStrategy]: Number of different interpolants: perfect sequences [] imperfect sequences [15] total 15 [2018-07-23 13:41:30,055 INFO L142 lantAutomatonBuilder]: Constructing canonical interpolant automaton, with selfloop in false state [2018-07-23 13:41:30,062 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2018-07-23 13:41:30,063 INFO L185 omatonBuilderFactory]: Interpolants [751#true, 752#false, 753#(<= ULTIMATE.start_main_~x~4 10), 754#(<= ULTIMATE.start_main_~x~4 12), 755#(<= ULTIMATE.start_main_~x~4 14), 756#(<= ULTIMATE.start_main_~x~4 16), 757#(<= ULTIMATE.start_main_~x~4 18), 758#(<= ULTIMATE.start_main_~x~4 20), 759#(<= ULTIMATE.start_main_~x~4 22), 760#(<= ULTIMATE.start_main_~x~4 24), 761#(<= ULTIMATE.start_main_~x~4 26), 762#(<= ULTIMATE.start_main_~x~4 28), 763#(<= ULTIMATE.start_main_~x~4 30), 764#(<= ULTIMATE.start_main_~x~4 32), 765#(<= ULTIMATE.start_main_~x~4 34), 766#(<= ULTIMATE.start_main_~x~4 36)] [2018-07-23 13:41:30,064 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 13:41:30,064 INFO L450 AbstractCegarLoop]: Interpolant automaton has 16 states [2018-07-23 13:41:30,065 INFO L132 InterpolantAutomaton]: Constructing interpolant automaton starting with 16 interpolants. [2018-07-23 13:41:30,065 INFO L133 InterpolantAutomaton]: CoverageRelationStatistics Valid=120, Invalid=120, Unknown=0, NotChecked=0, Total=240 [2018-07-23 13:41:30,066 INFO L87 Difference]: Start difference. First operand 17 states and 17 transitions. Second operand 16 states. [2018-07-23 13:41:30,101 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2018-07-23 13:41:30,101 INFO L93 Difference]: Finished difference Result 20 states and 20 transitions. [2018-07-23 13:41:30,101 INFO L142 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 16 states. [2018-07-23 13:41:30,102 INFO L78 Accepts]: Start accepts. Automaton has 16 states. Word has length 16 [2018-07-23 13:41:30,102 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2018-07-23 13:41:30,102 INFO L225 Difference]: With dead ends: 20 [2018-07-23 13:41:30,103 INFO L226 Difference]: Without dead ends: 18 [2018-07-23 13:41:30,103 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 13:41:30,104 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 18 states. [2018-07-23 13:41:30,108 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 18 to 18. [2018-07-23 13:41:30,108 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 18 states. [2018-07-23 13:41:30,109 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 18 states to 18 states and 18 transitions. [2018-07-23 13:41:30,109 INFO L78 Accepts]: Start accepts. Automaton has 18 states and 18 transitions. Word has length 16 [2018-07-23 13:41:30,109 INFO L84 Accepts]: Finished accepts. word is rejected. [2018-07-23 13:41:30,109 INFO L471 AbstractCegarLoop]: Abstraction has 18 states and 18 transitions. [2018-07-23 13:41:30,110 INFO L472 AbstractCegarLoop]: Interpolant automaton has 16 states. [2018-07-23 13:41:30,110 INFO L276 IsEmpty]: Start isEmpty. Operand 18 states and 18 transitions. [2018-07-23 13:41:30,112 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 18 [2018-07-23 13:41:30,112 INFO L349 BasicCegarLoop]: Found error trace [2018-07-23 13:41:30,112 INFO L357 BasicCegarLoop]: trace histogram [14, 1, 1, 1] [2018-07-23 13:41:30,112 INFO L414 AbstractCegarLoop]: === Iteration 15 === [ULTIMATE.startErr0AssertViolationASSERT]=== [2018-07-23 13:41:30,113 INFO L82 PathProgramCache]: Analyzing trace with hash -771520671, now seen corresponding path program 14 times [2018-07-23 13:41:30,113 INFO L69 tionRefinementEngine]: Using refinement strategy FixedRefinementStrategy [2018-07-23 13:41:30,122 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-07-23 13:41:30,184 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 13:41:30,185 INFO L309 seRefinementStrategy]: Constructing automaton from 0 perfect and 1 imperfect interpolant sequences. [2018-07-23 13:41:30,185 INFO L324 seRefinementStrategy]: Number of different interpolants: perfect sequences [] imperfect sequences [16] total 16 [2018-07-23 13:41:30,185 INFO L142 lantAutomatonBuilder]: Constructing canonical interpolant automaton, with selfloop in false state [2018-07-23 13:41:30,185 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2018-07-23 13:41:30,186 INFO L185 omatonBuilderFactory]: Interpolants [843#true, 844#false, 845#(<= ULTIMATE.start_main_~x~4 10), 846#(<= ULTIMATE.start_main_~x~4 12), 847#(<= ULTIMATE.start_main_~x~4 14), 848#(<= ULTIMATE.start_main_~x~4 16), 849#(<= ULTIMATE.start_main_~x~4 18), 850#(<= ULTIMATE.start_main_~x~4 20), 851#(<= ULTIMATE.start_main_~x~4 22), 852#(<= ULTIMATE.start_main_~x~4 24), 853#(<= ULTIMATE.start_main_~x~4 26), 854#(<= ULTIMATE.start_main_~x~4 28), 855#(<= ULTIMATE.start_main_~x~4 30), 856#(<= ULTIMATE.start_main_~x~4 32), 857#(<= ULTIMATE.start_main_~x~4 34), 858#(<= ULTIMATE.start_main_~x~4 36), 859#(<= ULTIMATE.start_main_~x~4 38)] [2018-07-23 13:41:30,186 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 13:41:30,187 INFO L450 AbstractCegarLoop]: Interpolant automaton has 17 states [2018-07-23 13:41:30,188 INFO L132 InterpolantAutomaton]: Constructing interpolant automaton starting with 17 interpolants. [2018-07-23 13:41:30,188 INFO L133 InterpolantAutomaton]: CoverageRelationStatistics Valid=136, Invalid=136, Unknown=0, NotChecked=0, Total=272 [2018-07-23 13:41:30,189 INFO L87 Difference]: Start difference. First operand 18 states and 18 transitions. Second operand 17 states. [2018-07-23 13:41:30,206 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2018-07-23 13:41:30,207 INFO L93 Difference]: Finished difference Result 21 states and 21 transitions. [2018-07-23 13:41:30,207 INFO L142 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 17 states. [2018-07-23 13:41:30,207 INFO L78 Accepts]: Start accepts. Automaton has 17 states. Word has length 17 [2018-07-23 13:41:30,208 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2018-07-23 13:41:30,208 INFO L225 Difference]: With dead ends: 21 [2018-07-23 13:41:30,209 INFO L226 Difference]: Without dead ends: 19 [2018-07-23 13:41:30,209 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 13:41:30,211 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 19 states. [2018-07-23 13:41:30,215 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 19 to 19. [2018-07-23 13:41:30,215 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 19 states. [2018-07-23 13:41:30,218 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 19 states to 19 states and 19 transitions. [2018-07-23 13:41:30,218 INFO L78 Accepts]: Start accepts. Automaton has 19 states and 19 transitions. Word has length 17 [2018-07-23 13:41:30,218 INFO L84 Accepts]: Finished accepts. word is rejected. [2018-07-23 13:41:30,218 INFO L471 AbstractCegarLoop]: Abstraction has 19 states and 19 transitions. [2018-07-23 13:41:30,219 INFO L472 AbstractCegarLoop]: Interpolant automaton has 17 states. [2018-07-23 13:41:30,219 INFO L276 IsEmpty]: Start isEmpty. Operand 19 states and 19 transitions. [2018-07-23 13:41:30,219 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 19 [2018-07-23 13:41:30,219 INFO L349 BasicCegarLoop]: Found error trace [2018-07-23 13:41:30,220 INFO L357 BasicCegarLoop]: trace histogram [15, 1, 1, 1] [2018-07-23 13:41:30,220 INFO L414 AbstractCegarLoop]: === Iteration 16 === [ULTIMATE.startErr0AssertViolationASSERT]=== [2018-07-23 13:41:30,220 INFO L82 PathProgramCache]: Analyzing trace with hash 1852661000, now seen corresponding path program 15 times [2018-07-23 13:41:30,222 INFO L69 tionRefinementEngine]: Using refinement strategy FixedRefinementStrategy [2018-07-23 13:41:30,233 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-07-23 13:41:30,294 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 13:41:30,295 INFO L309 seRefinementStrategy]: Constructing automaton from 0 perfect and 1 imperfect interpolant sequences. [2018-07-23 13:41:30,295 INFO L324 seRefinementStrategy]: Number of different interpolants: perfect sequences [] imperfect sequences [17] total 17 [2018-07-23 13:41:30,297 INFO L142 lantAutomatonBuilder]: Constructing canonical interpolant automaton, with selfloop in false state [2018-07-23 13:41:30,297 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2018-07-23 13:41:30,297 INFO L185 omatonBuilderFactory]: Interpolants [940#true, 941#false, 942#(<= ULTIMATE.start_main_~x~4 10), 943#(<= ULTIMATE.start_main_~x~4 12), 944#(<= ULTIMATE.start_main_~x~4 14), 945#(<= ULTIMATE.start_main_~x~4 16), 946#(<= ULTIMATE.start_main_~x~4 18), 947#(<= ULTIMATE.start_main_~x~4 20), 948#(<= ULTIMATE.start_main_~x~4 22), 949#(<= ULTIMATE.start_main_~x~4 24), 950#(<= ULTIMATE.start_main_~x~4 26), 951#(<= ULTIMATE.start_main_~x~4 28), 952#(<= ULTIMATE.start_main_~x~4 30), 953#(<= ULTIMATE.start_main_~x~4 32), 954#(<= ULTIMATE.start_main_~x~4 34), 955#(<= ULTIMATE.start_main_~x~4 36), 956#(<= ULTIMATE.start_main_~x~4 38), 957#(<= ULTIMATE.start_main_~x~4 40)] [2018-07-23 13:41:30,298 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 13:41:30,298 INFO L450 AbstractCegarLoop]: Interpolant automaton has 18 states [2018-07-23 13:41:30,299 INFO L132 InterpolantAutomaton]: Constructing interpolant automaton starting with 18 interpolants. [2018-07-23 13:41:30,299 INFO L133 InterpolantAutomaton]: CoverageRelationStatistics Valid=153, Invalid=153, Unknown=0, NotChecked=0, Total=306 [2018-07-23 13:41:30,299 INFO L87 Difference]: Start difference. First operand 19 states and 19 transitions. Second operand 18 states. [2018-07-23 13:41:30,320 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2018-07-23 13:41:30,322 INFO L93 Difference]: Finished difference Result 22 states and 22 transitions. [2018-07-23 13:41:30,322 INFO L142 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 18 states. [2018-07-23 13:41:30,322 INFO L78 Accepts]: Start accepts. Automaton has 18 states. Word has length 18 [2018-07-23 13:41:30,323 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2018-07-23 13:41:30,323 INFO L225 Difference]: With dead ends: 22 [2018-07-23 13:41:30,329 INFO L226 Difference]: Without dead ends: 20 [2018-07-23 13:41:30,329 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 13:41:30,330 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 20 states. [2018-07-23 13:41:30,332 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 20 to 20. [2018-07-23 13:41:30,332 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 20 states. [2018-07-23 13:41:30,334 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 20 states to 20 states and 20 transitions. [2018-07-23 13:41:30,335 INFO L78 Accepts]: Start accepts. Automaton has 20 states and 20 transitions. Word has length 18 [2018-07-23 13:41:30,335 INFO L84 Accepts]: Finished accepts. word is rejected. [2018-07-23 13:41:30,335 INFO L471 AbstractCegarLoop]: Abstraction has 20 states and 20 transitions. [2018-07-23 13:41:30,335 INFO L472 AbstractCegarLoop]: Interpolant automaton has 18 states. [2018-07-23 13:41:30,335 INFO L276 IsEmpty]: Start isEmpty. Operand 20 states and 20 transitions. [2018-07-23 13:41:30,336 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 20 [2018-07-23 13:41:30,336 INFO L349 BasicCegarLoop]: Found error trace [2018-07-23 13:41:30,336 INFO L357 BasicCegarLoop]: trace histogram [16, 1, 1, 1] [2018-07-23 13:41:30,336 INFO L414 AbstractCegarLoop]: === Iteration 17 === [ULTIMATE.startErr0AssertViolationASSERT]=== [2018-07-23 13:41:30,337 INFO L82 PathProgramCache]: Analyzing trace with hash 1597914177, now seen corresponding path program 16 times [2018-07-23 13:41:30,337 INFO L69 tionRefinementEngine]: Using refinement strategy FixedRefinementStrategy [2018-07-23 13:41:30,343 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-07-23 13:41:30,397 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 13:41:30,397 INFO L309 seRefinementStrategy]: Constructing automaton from 0 perfect and 1 imperfect interpolant sequences. [2018-07-23 13:41:30,397 INFO L324 seRefinementStrategy]: Number of different interpolants: perfect sequences [] imperfect sequences [18] total 18 [2018-07-23 13:41:30,398 INFO L142 lantAutomatonBuilder]: Constructing canonical interpolant automaton, with selfloop in false state [2018-07-23 13:41:30,398 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2018-07-23 13:41:30,399 INFO L185 omatonBuilderFactory]: Interpolants [1056#(<= ULTIMATE.start_main_~x~4 34), 1057#(<= ULTIMATE.start_main_~x~4 36), 1058#(<= ULTIMATE.start_main_~x~4 38), 1059#(<= ULTIMATE.start_main_~x~4 40), 1060#(<= ULTIMATE.start_main_~x~4 42), 1042#true, 1043#false, 1044#(<= ULTIMATE.start_main_~x~4 10), 1045#(<= ULTIMATE.start_main_~x~4 12), 1046#(<= ULTIMATE.start_main_~x~4 14), 1047#(<= ULTIMATE.start_main_~x~4 16), 1048#(<= ULTIMATE.start_main_~x~4 18), 1049#(<= ULTIMATE.start_main_~x~4 20), 1050#(<= ULTIMATE.start_main_~x~4 22), 1051#(<= ULTIMATE.start_main_~x~4 24), 1052#(<= ULTIMATE.start_main_~x~4 26), 1053#(<= ULTIMATE.start_main_~x~4 28), 1054#(<= ULTIMATE.start_main_~x~4 30), 1055#(<= ULTIMATE.start_main_~x~4 32)] [2018-07-23 13:41:30,399 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 13:41:30,401 INFO L450 AbstractCegarLoop]: Interpolant automaton has 19 states [2018-07-23 13:41:30,401 INFO L132 InterpolantAutomaton]: Constructing interpolant automaton starting with 19 interpolants. [2018-07-23 13:41:30,402 INFO L133 InterpolantAutomaton]: CoverageRelationStatistics Valid=171, Invalid=171, Unknown=0, NotChecked=0, Total=342 [2018-07-23 13:41:30,402 INFO L87 Difference]: Start difference. First operand 20 states and 20 transitions. Second operand 19 states. [2018-07-23 13:41:30,418 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2018-07-23 13:41:30,419 INFO L93 Difference]: Finished difference Result 23 states and 23 transitions. [2018-07-23 13:41:30,419 INFO L142 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 19 states. [2018-07-23 13:41:30,420 INFO L78 Accepts]: Start accepts. Automaton has 19 states. Word has length 19 [2018-07-23 13:41:30,420 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2018-07-23 13:41:30,420 INFO L225 Difference]: With dead ends: 23 [2018-07-23 13:41:30,421 INFO L226 Difference]: Without dead ends: 21 [2018-07-23 13:41:30,421 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 13:41:30,422 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 21 states. [2018-07-23 13:41:30,425 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 21 to 21. [2018-07-23 13:41:30,425 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 21 states. [2018-07-23 13:41:30,426 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 21 states to 21 states and 21 transitions. [2018-07-23 13:41:30,426 INFO L78 Accepts]: Start accepts. Automaton has 21 states and 21 transitions. Word has length 19 [2018-07-23 13:41:30,426 INFO L84 Accepts]: Finished accepts. word is rejected. [2018-07-23 13:41:30,427 INFO L471 AbstractCegarLoop]: Abstraction has 21 states and 21 transitions. [2018-07-23 13:41:30,427 INFO L472 AbstractCegarLoop]: Interpolant automaton has 19 states. [2018-07-23 13:41:30,427 INFO L276 IsEmpty]: Start isEmpty. Operand 21 states and 21 transitions. [2018-07-23 13:41:30,427 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 21 [2018-07-23 13:41:30,428 INFO L349 BasicCegarLoop]: Found error trace [2018-07-23 13:41:30,428 INFO L357 BasicCegarLoop]: trace histogram [17, 1, 1, 1] [2018-07-23 13:41:30,428 INFO L414 AbstractCegarLoop]: === Iteration 18 === [ULTIMATE.startErr0AssertViolationASSERT]=== [2018-07-23 13:41:30,429 INFO L82 PathProgramCache]: Analyzing trace with hash -2004270040, now seen corresponding path program 17 times [2018-07-23 13:41:30,429 INFO L69 tionRefinementEngine]: Using refinement strategy FixedRefinementStrategy [2018-07-23 13:41:30,437 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-07-23 13:41:30,507 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 13:41:30,507 INFO L309 seRefinementStrategy]: Constructing automaton from 0 perfect and 1 imperfect interpolant sequences. [2018-07-23 13:41:30,507 INFO L324 seRefinementStrategy]: Number of different interpolants: perfect sequences [] imperfect sequences [19] total 19 [2018-07-23 13:41:30,508 INFO L142 lantAutomatonBuilder]: Constructing canonical interpolant automaton, with selfloop in false state [2018-07-23 13:41:30,508 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 13:41:30,508 INFO L185 omatonBuilderFactory]: Interpolants [1152#(<= ULTIMATE.start_main_~x~4 12), 1153#(<= ULTIMATE.start_main_~x~4 14), 1154#(<= ULTIMATE.start_main_~x~4 16), 1155#(<= ULTIMATE.start_main_~x~4 18), 1156#(<= ULTIMATE.start_main_~x~4 20), 1157#(<= ULTIMATE.start_main_~x~4 22), 1158#(<= ULTIMATE.start_main_~x~4 24), 1159#(<= ULTIMATE.start_main_~x~4 26), 1160#(<= ULTIMATE.start_main_~x~4 28), 1161#(<= ULTIMATE.start_main_~x~4 30), 1162#(<= ULTIMATE.start_main_~x~4 32), 1163#(<= ULTIMATE.start_main_~x~4 34), 1164#(<= ULTIMATE.start_main_~x~4 36), 1165#(<= ULTIMATE.start_main_~x~4 38), 1166#(<= ULTIMATE.start_main_~x~4 40), 1167#(<= ULTIMATE.start_main_~x~4 42), 1168#(<= ULTIMATE.start_main_~x~4 44), 1149#true, 1150#false, 1151#(<= ULTIMATE.start_main_~x~4 10)] [2018-07-23 13:41:30,509 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 13:41:30,509 INFO L450 AbstractCegarLoop]: Interpolant automaton has 20 states [2018-07-23 13:41:30,510 INFO L132 InterpolantAutomaton]: Constructing interpolant automaton starting with 20 interpolants. [2018-07-23 13:41:30,510 INFO L133 InterpolantAutomaton]: CoverageRelationStatistics Valid=190, Invalid=190, Unknown=0, NotChecked=0, Total=380 [2018-07-23 13:41:30,510 INFO L87 Difference]: Start difference. First operand 21 states and 21 transitions. Second operand 20 states. [2018-07-23 13:41:30,530 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2018-07-23 13:41:30,531 INFO L93 Difference]: Finished difference Result 24 states and 24 transitions. [2018-07-23 13:41:30,531 INFO L142 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 20 states. [2018-07-23 13:41:30,531 INFO L78 Accepts]: Start accepts. Automaton has 20 states. Word has length 20 [2018-07-23 13:41:30,531 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2018-07-23 13:41:30,532 INFO L225 Difference]: With dead ends: 24 [2018-07-23 13:41:30,532 INFO L226 Difference]: Without dead ends: 22 [2018-07-23 13:41:30,533 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 13:41:30,533 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 22 states. [2018-07-23 13:41:30,536 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 22 to 22. [2018-07-23 13:41:30,536 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 22 states. [2018-07-23 13:41:30,536 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 22 states to 22 states and 22 transitions. [2018-07-23 13:41:30,537 INFO L78 Accepts]: Start accepts. Automaton has 22 states and 22 transitions. Word has length 20 [2018-07-23 13:41:30,537 INFO L84 Accepts]: Finished accepts. word is rejected. [2018-07-23 13:41:30,537 INFO L471 AbstractCegarLoop]: Abstraction has 22 states and 22 transitions. [2018-07-23 13:41:30,537 INFO L472 AbstractCegarLoop]: Interpolant automaton has 20 states. [2018-07-23 13:41:30,537 INFO L276 IsEmpty]: Start isEmpty. Operand 22 states and 22 transitions. [2018-07-23 13:41:30,538 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 22 [2018-07-23 13:41:30,538 INFO L349 BasicCegarLoop]: Found error trace [2018-07-23 13:41:30,538 INFO L357 BasicCegarLoop]: trace histogram [18, 1, 1, 1] [2018-07-23 13:41:30,539 INFO L414 AbstractCegarLoop]: === Iteration 19 === [ULTIMATE.startErr0AssertViolationASSERT]=== [2018-07-23 13:41:30,539 INFO L82 PathProgramCache]: Analyzing trace with hash -2002831071, now seen corresponding path program 18 times [2018-07-23 13:41:30,539 INFO L69 tionRefinementEngine]: Using refinement strategy FixedRefinementStrategy [2018-07-23 13:41:30,546 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-07-23 13:41:30,616 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 13:41:30,616 INFO L309 seRefinementStrategy]: Constructing automaton from 0 perfect and 1 imperfect interpolant sequences. [2018-07-23 13:41:30,616 INFO L324 seRefinementStrategy]: Number of different interpolants: perfect sequences [] imperfect sequences [20] total 20 [2018-07-23 13:41:30,616 INFO L142 lantAutomatonBuilder]: Constructing canonical interpolant automaton, with selfloop in false state [2018-07-23 13:41:30,617 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2018-07-23 13:41:30,617 INFO L185 omatonBuilderFactory]: Interpolants [1280#(<= ULTIMATE.start_main_~x~4 44), 1281#(<= ULTIMATE.start_main_~x~4 46), 1261#true, 1262#false, 1263#(<= ULTIMATE.start_main_~x~4 10), 1264#(<= ULTIMATE.start_main_~x~4 12), 1265#(<= ULTIMATE.start_main_~x~4 14), 1266#(<= ULTIMATE.start_main_~x~4 16), 1267#(<= ULTIMATE.start_main_~x~4 18), 1268#(<= ULTIMATE.start_main_~x~4 20), 1269#(<= ULTIMATE.start_main_~x~4 22), 1270#(<= ULTIMATE.start_main_~x~4 24), 1271#(<= ULTIMATE.start_main_~x~4 26), 1272#(<= ULTIMATE.start_main_~x~4 28), 1273#(<= ULTIMATE.start_main_~x~4 30), 1274#(<= ULTIMATE.start_main_~x~4 32), 1275#(<= ULTIMATE.start_main_~x~4 34), 1276#(<= ULTIMATE.start_main_~x~4 36), 1277#(<= ULTIMATE.start_main_~x~4 38), 1278#(<= ULTIMATE.start_main_~x~4 40), 1279#(<= ULTIMATE.start_main_~x~4 42)] [2018-07-23 13:41:30,618 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 13:41:30,618 INFO L450 AbstractCegarLoop]: Interpolant automaton has 21 states [2018-07-23 13:41:30,618 INFO L132 InterpolantAutomaton]: Constructing interpolant automaton starting with 21 interpolants. [2018-07-23 13:41:30,619 INFO L133 InterpolantAutomaton]: CoverageRelationStatistics Valid=210, Invalid=210, Unknown=0, NotChecked=0, Total=420 [2018-07-23 13:41:30,619 INFO L87 Difference]: Start difference. First operand 22 states and 22 transitions. Second operand 21 states. [2018-07-23 13:41:30,635 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2018-07-23 13:41:30,636 INFO L93 Difference]: Finished difference Result 25 states and 25 transitions. [2018-07-23 13:41:30,636 INFO L142 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 21 states. [2018-07-23 13:41:30,636 INFO L78 Accepts]: Start accepts. Automaton has 21 states. Word has length 21 [2018-07-23 13:41:30,637 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2018-07-23 13:41:30,637 INFO L225 Difference]: With dead ends: 25 [2018-07-23 13:41:30,637 INFO L226 Difference]: Without dead ends: 23 [2018-07-23 13:41:30,641 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 13:41:30,642 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 23 states. [2018-07-23 13:41:30,646 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 23 to 23. [2018-07-23 13:41:30,647 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 23 states. [2018-07-23 13:41:30,647 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 23 states to 23 states and 23 transitions. [2018-07-23 13:41:30,648 INFO L78 Accepts]: Start accepts. Automaton has 23 states and 23 transitions. Word has length 21 [2018-07-23 13:41:30,648 INFO L84 Accepts]: Finished accepts. word is rejected. [2018-07-23 13:41:30,648 INFO L471 AbstractCegarLoop]: Abstraction has 23 states and 23 transitions. [2018-07-23 13:41:30,648 INFO L472 AbstractCegarLoop]: Interpolant automaton has 21 states. [2018-07-23 13:41:30,648 INFO L276 IsEmpty]: Start isEmpty. Operand 23 states and 23 transitions. [2018-07-23 13:41:30,649 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 23 [2018-07-23 13:41:30,649 INFO L349 BasicCegarLoop]: Found error trace [2018-07-23 13:41:30,651 INFO L357 BasicCegarLoop]: trace histogram [19, 1, 1, 1] [2018-07-23 13:41:30,652 INFO L414 AbstractCegarLoop]: === Iteration 20 === [ULTIMATE.startErr0AssertViolationASSERT]=== [2018-07-23 13:41:30,652 INFO L82 PathProgramCache]: Analyzing trace with hash -1958223032, now seen corresponding path program 19 times [2018-07-23 13:41:30,652 INFO L69 tionRefinementEngine]: Using refinement strategy FixedRefinementStrategy [2018-07-23 13:41:30,659 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-07-23 13:41:30,744 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 13:41:30,745 INFO L309 seRefinementStrategy]: Constructing automaton from 0 perfect and 1 imperfect interpolant sequences. [2018-07-23 13:41:30,745 INFO L324 seRefinementStrategy]: Number of different interpolants: perfect sequences [] imperfect sequences [21] total 21 [2018-07-23 13:41:30,752 INFO L142 lantAutomatonBuilder]: Constructing canonical interpolant automaton, with selfloop in false state [2018-07-23 13:41:30,753 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2018-07-23 13:41:30,753 INFO L185 omatonBuilderFactory]: Interpolants [1378#true, 1379#false, 1380#(<= ULTIMATE.start_main_~x~4 10), 1381#(<= ULTIMATE.start_main_~x~4 12), 1382#(<= ULTIMATE.start_main_~x~4 14), 1383#(<= ULTIMATE.start_main_~x~4 16), 1384#(<= ULTIMATE.start_main_~x~4 18), 1385#(<= ULTIMATE.start_main_~x~4 20), 1386#(<= ULTIMATE.start_main_~x~4 22), 1387#(<= ULTIMATE.start_main_~x~4 24), 1388#(<= ULTIMATE.start_main_~x~4 26), 1389#(<= ULTIMATE.start_main_~x~4 28), 1390#(<= ULTIMATE.start_main_~x~4 30), 1391#(<= ULTIMATE.start_main_~x~4 32), 1392#(<= ULTIMATE.start_main_~x~4 34), 1393#(<= ULTIMATE.start_main_~x~4 36), 1394#(<= ULTIMATE.start_main_~x~4 38), 1395#(<= ULTIMATE.start_main_~x~4 40), 1396#(<= ULTIMATE.start_main_~x~4 42), 1397#(<= ULTIMATE.start_main_~x~4 44), 1398#(<= ULTIMATE.start_main_~x~4 46), 1399#(<= ULTIMATE.start_main_~x~4 48)] [2018-07-23 13:41:30,754 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 13:41:30,754 INFO L450 AbstractCegarLoop]: Interpolant automaton has 22 states [2018-07-23 13:41:30,754 INFO L132 InterpolantAutomaton]: Constructing interpolant automaton starting with 22 interpolants. [2018-07-23 13:41:30,755 INFO L133 InterpolantAutomaton]: CoverageRelationStatistics Valid=231, Invalid=231, Unknown=0, NotChecked=0, Total=462 [2018-07-23 13:41:30,757 INFO L87 Difference]: Start difference. First operand 23 states and 23 transitions. Second operand 22 states. [2018-07-23 13:41:30,787 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2018-07-23 13:41:30,788 INFO L93 Difference]: Finished difference Result 26 states and 26 transitions. [2018-07-23 13:41:30,788 INFO L142 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 22 states. [2018-07-23 13:41:30,788 INFO L78 Accepts]: Start accepts. Automaton has 22 states. Word has length 22 [2018-07-23 13:41:30,789 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2018-07-23 13:41:30,789 INFO L225 Difference]: With dead ends: 26 [2018-07-23 13:41:30,789 INFO L226 Difference]: Without dead ends: 24 [2018-07-23 13:41:30,791 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 13:41:30,791 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 24 states. [2018-07-23 13:41:30,795 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 24 to 24. [2018-07-23 13:41:30,796 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 24 states. [2018-07-23 13:41:30,797 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 24 states to 24 states and 24 transitions. [2018-07-23 13:41:30,797 INFO L78 Accepts]: Start accepts. Automaton has 24 states and 24 transitions. Word has length 22 [2018-07-23 13:41:30,797 INFO L84 Accepts]: Finished accepts. word is rejected. [2018-07-23 13:41:30,797 INFO L471 AbstractCegarLoop]: Abstraction has 24 states and 24 transitions. [2018-07-23 13:41:30,798 INFO L472 AbstractCegarLoop]: Interpolant automaton has 22 states. [2018-07-23 13:41:30,798 INFO L276 IsEmpty]: Start isEmpty. Operand 24 states and 24 transitions. [2018-07-23 13:41:30,798 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 24 [2018-07-23 13:41:30,799 INFO L349 BasicCegarLoop]: Found error trace [2018-07-23 13:41:30,799 INFO L357 BasicCegarLoop]: trace histogram [20, 1, 1, 1] [2018-07-23 13:41:30,799 INFO L414 AbstractCegarLoop]: === Iteration 21 === [ULTIMATE.startErr0AssertViolationASSERT]=== [2018-07-23 13:41:30,801 INFO L82 PathProgramCache]: Analyzing trace with hash -575373823, now seen corresponding path program 20 times [2018-07-23 13:41:30,801 INFO L69 tionRefinementEngine]: Using refinement strategy FixedRefinementStrategy [2018-07-23 13:41:30,810 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-07-23 13:41:30,900 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 13:41:30,901 INFO L309 seRefinementStrategy]: Constructing automaton from 0 perfect and 1 imperfect interpolant sequences. [2018-07-23 13:41:30,901 INFO L324 seRefinementStrategy]: Number of different interpolants: perfect sequences [] imperfect sequences [22] total 22 [2018-07-23 13:41:30,901 INFO L142 lantAutomatonBuilder]: Constructing canonical interpolant automaton, with selfloop in false state [2018-07-23 13:41:30,902 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2018-07-23 13:41:30,902 INFO L185 omatonBuilderFactory]: Interpolants [1504#(<= ULTIMATE.start_main_~x~4 14), 1505#(<= ULTIMATE.start_main_~x~4 16), 1506#(<= ULTIMATE.start_main_~x~4 18), 1507#(<= ULTIMATE.start_main_~x~4 20), 1508#(<= ULTIMATE.start_main_~x~4 22), 1509#(<= ULTIMATE.start_main_~x~4 24), 1510#(<= ULTIMATE.start_main_~x~4 26), 1511#(<= ULTIMATE.start_main_~x~4 28), 1512#(<= ULTIMATE.start_main_~x~4 30), 1513#(<= ULTIMATE.start_main_~x~4 32), 1514#(<= ULTIMATE.start_main_~x~4 34), 1515#(<= ULTIMATE.start_main_~x~4 36), 1516#(<= ULTIMATE.start_main_~x~4 38), 1517#(<= ULTIMATE.start_main_~x~4 40), 1518#(<= ULTIMATE.start_main_~x~4 42), 1519#(<= ULTIMATE.start_main_~x~4 44), 1520#(<= ULTIMATE.start_main_~x~4 46), 1521#(<= ULTIMATE.start_main_~x~4 48), 1522#(<= ULTIMATE.start_main_~x~4 50), 1500#true, 1501#false, 1502#(<= ULTIMATE.start_main_~x~4 10), 1503#(<= ULTIMATE.start_main_~x~4 12)] [2018-07-23 13:41:30,905 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 13:41:30,905 INFO L450 AbstractCegarLoop]: Interpolant automaton has 23 states [2018-07-23 13:41:30,906 INFO L132 InterpolantAutomaton]: Constructing interpolant automaton starting with 23 interpolants. [2018-07-23 13:41:30,906 INFO L133 InterpolantAutomaton]: CoverageRelationStatistics Valid=253, Invalid=253, Unknown=0, NotChecked=0, Total=506 [2018-07-23 13:41:30,906 INFO L87 Difference]: Start difference. First operand 24 states and 24 transitions. Second operand 23 states. [2018-07-23 13:41:30,930 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2018-07-23 13:41:30,931 INFO L93 Difference]: Finished difference Result 27 states and 27 transitions. [2018-07-23 13:41:30,931 INFO L142 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 23 states. [2018-07-23 13:41:30,931 INFO L78 Accepts]: Start accepts. Automaton has 23 states. Word has length 23 [2018-07-23 13:41:30,932 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2018-07-23 13:41:30,932 INFO L225 Difference]: With dead ends: 27 [2018-07-23 13:41:30,932 INFO L226 Difference]: Without dead ends: 25 [2018-07-23 13:41:30,933 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 13:41:30,935 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 25 states. [2018-07-23 13:41:30,938 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 25 to 25. [2018-07-23 13:41:30,939 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 25 states. [2018-07-23 13:41:30,939 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 25 states to 25 states and 25 transitions. [2018-07-23 13:41:30,940 INFO L78 Accepts]: Start accepts. Automaton has 25 states and 25 transitions. Word has length 23 [2018-07-23 13:41:30,940 INFO L84 Accepts]: Finished accepts. word is rejected. [2018-07-23 13:41:30,940 INFO L471 AbstractCegarLoop]: Abstraction has 25 states and 25 transitions. [2018-07-23 13:41:30,940 INFO L472 AbstractCegarLoop]: Interpolant automaton has 23 states. [2018-07-23 13:41:30,941 INFO L276 IsEmpty]: Start isEmpty. Operand 25 states and 25 transitions. [2018-07-23 13:41:30,944 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 25 [2018-07-23 13:41:30,944 INFO L349 BasicCegarLoop]: Found error trace [2018-07-23 13:41:30,945 INFO L357 BasicCegarLoop]: trace histogram [21, 1, 1, 1] [2018-07-23 13:41:30,945 INFO L414 AbstractCegarLoop]: === Iteration 22 === [ULTIMATE.startErr0AssertViolationASSERT]=== [2018-07-23 13:41:30,945 INFO L82 PathProgramCache]: Analyzing trace with hash -656721304, now seen corresponding path program 21 times [2018-07-23 13:41:30,945 INFO L69 tionRefinementEngine]: Using refinement strategy FixedRefinementStrategy [2018-07-23 13:41:30,954 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-07-23 13:41:31,059 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 13:41:31,060 INFO L309 seRefinementStrategy]: Constructing automaton from 0 perfect and 1 imperfect interpolant sequences. [2018-07-23 13:41:31,060 INFO L324 seRefinementStrategy]: Number of different interpolants: perfect sequences [] imperfect sequences [23] total 23 [2018-07-23 13:41:31,060 INFO L142 lantAutomatonBuilder]: Constructing canonical interpolant automaton, with selfloop in false state [2018-07-23 13:41:31,061 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2018-07-23 13:41:31,061 INFO L185 omatonBuilderFactory]: Interpolants [1632#(<= ULTIMATE.start_main_~x~4 16), 1633#(<= ULTIMATE.start_main_~x~4 18), 1634#(<= ULTIMATE.start_main_~x~4 20), 1635#(<= ULTIMATE.start_main_~x~4 22), 1636#(<= ULTIMATE.start_main_~x~4 24), 1637#(<= ULTIMATE.start_main_~x~4 26), 1638#(<= ULTIMATE.start_main_~x~4 28), 1639#(<= ULTIMATE.start_main_~x~4 30), 1640#(<= ULTIMATE.start_main_~x~4 32), 1641#(<= ULTIMATE.start_main_~x~4 34), 1642#(<= ULTIMATE.start_main_~x~4 36), 1643#(<= ULTIMATE.start_main_~x~4 38), 1644#(<= ULTIMATE.start_main_~x~4 40), 1645#(<= ULTIMATE.start_main_~x~4 42), 1646#(<= ULTIMATE.start_main_~x~4 44), 1647#(<= ULTIMATE.start_main_~x~4 46), 1648#(<= ULTIMATE.start_main_~x~4 48), 1649#(<= ULTIMATE.start_main_~x~4 50), 1650#(<= ULTIMATE.start_main_~x~4 52), 1627#true, 1628#false, 1629#(<= ULTIMATE.start_main_~x~4 10), 1630#(<= ULTIMATE.start_main_~x~4 12), 1631#(<= ULTIMATE.start_main_~x~4 14)] [2018-07-23 13:41:31,062 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 13:41:31,062 INFO L450 AbstractCegarLoop]: Interpolant automaton has 24 states [2018-07-23 13:41:31,062 INFO L132 InterpolantAutomaton]: Constructing interpolant automaton starting with 24 interpolants. [2018-07-23 13:41:31,063 INFO L133 InterpolantAutomaton]: CoverageRelationStatistics Valid=276, Invalid=276, Unknown=0, NotChecked=0, Total=552 [2018-07-23 13:41:31,063 INFO L87 Difference]: Start difference. First operand 25 states and 25 transitions. Second operand 24 states. [2018-07-23 13:41:31,089 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2018-07-23 13:41:31,092 INFO L93 Difference]: Finished difference Result 28 states and 28 transitions. [2018-07-23 13:41:31,093 INFO L142 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 24 states. [2018-07-23 13:41:31,093 INFO L78 Accepts]: Start accepts. Automaton has 24 states. Word has length 24 [2018-07-23 13:41:31,095 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2018-07-23 13:41:31,095 INFO L225 Difference]: With dead ends: 28 [2018-07-23 13:41:31,095 INFO L226 Difference]: Without dead ends: 26 [2018-07-23 13:41:31,099 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 13:41:31,099 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 26 states. [2018-07-23 13:41:31,101 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 26 to 26. [2018-07-23 13:41:31,102 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 26 states. [2018-07-23 13:41:31,102 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 26 states to 26 states and 26 transitions. [2018-07-23 13:41:31,102 INFO L78 Accepts]: Start accepts. Automaton has 26 states and 26 transitions. Word has length 24 [2018-07-23 13:41:31,103 INFO L84 Accepts]: Finished accepts. word is rejected. [2018-07-23 13:41:31,103 INFO L471 AbstractCegarLoop]: Abstraction has 26 states and 26 transitions. [2018-07-23 13:41:31,103 INFO L472 AbstractCegarLoop]: Interpolant automaton has 24 states. [2018-07-23 13:41:31,103 INFO L276 IsEmpty]: Start isEmpty. Operand 26 states and 26 transitions. [2018-07-23 13:41:31,106 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 26 [2018-07-23 13:41:31,106 INFO L349 BasicCegarLoop]: Found error trace [2018-07-23 13:41:31,106 INFO L357 BasicCegarLoop]: trace histogram [22, 1, 1, 1] [2018-07-23 13:41:31,107 INFO L414 AbstractCegarLoop]: === Iteration 23 === [ULTIMATE.startErr0AssertViolationASSERT]=== [2018-07-23 13:41:31,107 INFO L82 PathProgramCache]: Analyzing trace with hash 1116474081, now seen corresponding path program 22 times [2018-07-23 13:41:31,107 INFO L69 tionRefinementEngine]: Using refinement strategy FixedRefinementStrategy [2018-07-23 13:41:31,116 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-07-23 13:41:31,228 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 13:41:31,229 INFO L309 seRefinementStrategy]: Constructing automaton from 0 perfect and 1 imperfect interpolant sequences. [2018-07-23 13:41:31,229 INFO L324 seRefinementStrategy]: Number of different interpolants: perfect sequences [] imperfect sequences [24] total 24 [2018-07-23 13:41:31,230 INFO L142 lantAutomatonBuilder]: Constructing canonical interpolant automaton, with selfloop in false state [2018-07-23 13:41:31,230 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2018-07-23 13:41:31,230 INFO L185 omatonBuilderFactory]: Interpolants [1759#true, 1760#false, 1761#(<= ULTIMATE.start_main_~x~4 10), 1762#(<= ULTIMATE.start_main_~x~4 12), 1763#(<= ULTIMATE.start_main_~x~4 14), 1764#(<= ULTIMATE.start_main_~x~4 16), 1765#(<= ULTIMATE.start_main_~x~4 18), 1766#(<= ULTIMATE.start_main_~x~4 20), 1767#(<= ULTIMATE.start_main_~x~4 22), 1768#(<= ULTIMATE.start_main_~x~4 24), 1769#(<= ULTIMATE.start_main_~x~4 26), 1770#(<= ULTIMATE.start_main_~x~4 28), 1771#(<= ULTIMATE.start_main_~x~4 30), 1772#(<= ULTIMATE.start_main_~x~4 32), 1773#(<= ULTIMATE.start_main_~x~4 34), 1774#(<= ULTIMATE.start_main_~x~4 36), 1775#(<= ULTIMATE.start_main_~x~4 38), 1776#(<= ULTIMATE.start_main_~x~4 40), 1777#(<= ULTIMATE.start_main_~x~4 42), 1778#(<= ULTIMATE.start_main_~x~4 44), 1779#(<= ULTIMATE.start_main_~x~4 46), 1780#(<= ULTIMATE.start_main_~x~4 48), 1781#(<= ULTIMATE.start_main_~x~4 50), 1782#(<= ULTIMATE.start_main_~x~4 52), 1783#(<= ULTIMATE.start_main_~x~4 54)] [2018-07-23 13:41:31,231 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 13:41:31,231 INFO L450 AbstractCegarLoop]: Interpolant automaton has 25 states [2018-07-23 13:41:31,232 INFO L132 InterpolantAutomaton]: Constructing interpolant automaton starting with 25 interpolants. [2018-07-23 13:41:31,232 INFO L133 InterpolantAutomaton]: CoverageRelationStatistics Valid=300, Invalid=300, Unknown=0, NotChecked=0, Total=600 [2018-07-23 13:41:31,233 INFO L87 Difference]: Start difference. First operand 26 states and 26 transitions. Second operand 25 states. [2018-07-23 13:41:31,259 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2018-07-23 13:41:31,259 INFO L93 Difference]: Finished difference Result 29 states and 29 transitions. [2018-07-23 13:41:31,260 INFO L142 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 25 states. [2018-07-23 13:41:31,260 INFO L78 Accepts]: Start accepts. Automaton has 25 states. Word has length 25 [2018-07-23 13:41:31,261 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2018-07-23 13:41:31,262 INFO L225 Difference]: With dead ends: 29 [2018-07-23 13:41:31,262 INFO L226 Difference]: Without dead ends: 27 [2018-07-23 13:41:31,263 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 13:41:31,263 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 27 states. [2018-07-23 13:41:31,268 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 27 to 27. [2018-07-23 13:41:31,268 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 27 states. [2018-07-23 13:41:31,269 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 27 states to 27 states and 27 transitions. [2018-07-23 13:41:31,269 INFO L78 Accepts]: Start accepts. Automaton has 27 states and 27 transitions. Word has length 25 [2018-07-23 13:41:31,269 INFO L84 Accepts]: Finished accepts. word is rejected. [2018-07-23 13:41:31,269 INFO L471 AbstractCegarLoop]: Abstraction has 27 states and 27 transitions. [2018-07-23 13:41:31,269 INFO L472 AbstractCegarLoop]: Interpolant automaton has 25 states. [2018-07-23 13:41:31,270 INFO L276 IsEmpty]: Start isEmpty. Operand 27 states and 27 transitions. [2018-07-23 13:41:31,272 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 27 [2018-07-23 13:41:31,273 INFO L349 BasicCegarLoop]: Found error trace [2018-07-23 13:41:31,273 INFO L357 BasicCegarLoop]: trace histogram [23, 1, 1, 1] [2018-07-23 13:41:31,273 INFO L414 AbstractCegarLoop]: === Iteration 24 === [ULTIMATE.startErr0AssertViolationASSERT]=== [2018-07-23 13:41:31,273 INFO L82 PathProgramCache]: Analyzing trace with hash 250956168, now seen corresponding path program 23 times [2018-07-23 13:41:31,274 INFO L69 tionRefinementEngine]: Using refinement strategy FixedRefinementStrategy [2018-07-23 13:41:31,284 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-07-23 13:41:31,399 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 13:41:31,400 INFO L309 seRefinementStrategy]: Constructing automaton from 0 perfect and 1 imperfect interpolant sequences. [2018-07-23 13:41:31,400 INFO L324 seRefinementStrategy]: Number of different interpolants: perfect sequences [] imperfect sequences [25] total 25 [2018-07-23 13:41:31,400 INFO L142 lantAutomatonBuilder]: Constructing canonical interpolant automaton, with selfloop in false state [2018-07-23 13:41:31,401 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2018-07-23 13:41:31,401 INFO L185 omatonBuilderFactory]: Interpolants [1920#(<= ULTIMATE.start_main_~x~4 54), 1921#(<= ULTIMATE.start_main_~x~4 56), 1896#true, 1897#false, 1898#(<= ULTIMATE.start_main_~x~4 10), 1899#(<= ULTIMATE.start_main_~x~4 12), 1900#(<= ULTIMATE.start_main_~x~4 14), 1901#(<= ULTIMATE.start_main_~x~4 16), 1902#(<= ULTIMATE.start_main_~x~4 18), 1903#(<= ULTIMATE.start_main_~x~4 20), 1904#(<= ULTIMATE.start_main_~x~4 22), 1905#(<= ULTIMATE.start_main_~x~4 24), 1906#(<= ULTIMATE.start_main_~x~4 26), 1907#(<= ULTIMATE.start_main_~x~4 28), 1908#(<= ULTIMATE.start_main_~x~4 30), 1909#(<= ULTIMATE.start_main_~x~4 32), 1910#(<= ULTIMATE.start_main_~x~4 34), 1911#(<= ULTIMATE.start_main_~x~4 36), 1912#(<= ULTIMATE.start_main_~x~4 38), 1913#(<= ULTIMATE.start_main_~x~4 40), 1914#(<= ULTIMATE.start_main_~x~4 42), 1915#(<= ULTIMATE.start_main_~x~4 44), 1916#(<= ULTIMATE.start_main_~x~4 46), 1917#(<= ULTIMATE.start_main_~x~4 48), 1918#(<= ULTIMATE.start_main_~x~4 50), 1919#(<= ULTIMATE.start_main_~x~4 52)] [2018-07-23 13:41:31,402 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 13:41:31,402 INFO L450 AbstractCegarLoop]: Interpolant automaton has 26 states [2018-07-23 13:41:31,402 INFO L132 InterpolantAutomaton]: Constructing interpolant automaton starting with 26 interpolants. [2018-07-23 13:41:31,403 INFO L133 InterpolantAutomaton]: CoverageRelationStatistics Valid=325, Invalid=325, Unknown=0, NotChecked=0, Total=650 [2018-07-23 13:41:31,403 INFO L87 Difference]: Start difference. First operand 27 states and 27 transitions. Second operand 26 states. [2018-07-23 13:41:31,417 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2018-07-23 13:41:31,417 INFO L93 Difference]: Finished difference Result 30 states and 30 transitions. [2018-07-23 13:41:31,418 INFO L142 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 26 states. [2018-07-23 13:41:31,418 INFO L78 Accepts]: Start accepts. Automaton has 26 states. Word has length 26 [2018-07-23 13:41:31,418 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2018-07-23 13:41:31,418 INFO L225 Difference]: With dead ends: 30 [2018-07-23 13:41:31,419 INFO L226 Difference]: Without dead ends: 28 [2018-07-23 13:41:31,419 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 13:41:31,420 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 28 states. [2018-07-23 13:41:31,422 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 28 to 28. [2018-07-23 13:41:31,423 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 28 states. [2018-07-23 13:41:31,423 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 28 states to 28 states and 28 transitions. [2018-07-23 13:41:31,423 INFO L78 Accepts]: Start accepts. Automaton has 28 states and 28 transitions. Word has length 26 [2018-07-23 13:41:31,424 INFO L84 Accepts]: Finished accepts. word is rejected. [2018-07-23 13:41:31,424 INFO L471 AbstractCegarLoop]: Abstraction has 28 states and 28 transitions. [2018-07-23 13:41:31,424 INFO L472 AbstractCegarLoop]: Interpolant automaton has 26 states. [2018-07-23 13:41:31,424 INFO L276 IsEmpty]: Start isEmpty. Operand 28 states and 28 transitions. [2018-07-23 13:41:31,425 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 28 [2018-07-23 13:41:31,425 INFO L349 BasicCegarLoop]: Found error trace [2018-07-23 13:41:31,425 INFO L357 BasicCegarLoop]: trace histogram [24, 1, 1, 1] [2018-07-23 13:41:31,425 INFO L414 AbstractCegarLoop]: === Iteration 25 === [ULTIMATE.startErr0AssertViolationASSERT]=== [2018-07-23 13:41:31,425 INFO L82 PathProgramCache]: Analyzing trace with hash -810295359, now seen corresponding path program 24 times [2018-07-23 13:41:31,426 INFO L69 tionRefinementEngine]: Using refinement strategy FixedRefinementStrategy [2018-07-23 13:41:31,434 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-07-23 13:41:31,540 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 13:41:31,541 INFO L309 seRefinementStrategy]: Constructing automaton from 0 perfect and 1 imperfect interpolant sequences. [2018-07-23 13:41:31,542 INFO L324 seRefinementStrategy]: Number of different interpolants: perfect sequences [] imperfect sequences [26] total 26 [2018-07-23 13:41:31,542 INFO L142 lantAutomatonBuilder]: Constructing canonical interpolant automaton, with selfloop in false state [2018-07-23 13:41:31,542 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2018-07-23 13:41:31,543 INFO L185 omatonBuilderFactory]: Interpolants [2048#(<= ULTIMATE.start_main_~x~4 26), 2049#(<= ULTIMATE.start_main_~x~4 28), 2050#(<= ULTIMATE.start_main_~x~4 30), 2051#(<= ULTIMATE.start_main_~x~4 32), 2052#(<= ULTIMATE.start_main_~x~4 34), 2053#(<= ULTIMATE.start_main_~x~4 36), 2054#(<= ULTIMATE.start_main_~x~4 38), 2055#(<= ULTIMATE.start_main_~x~4 40), 2056#(<= ULTIMATE.start_main_~x~4 42), 2057#(<= ULTIMATE.start_main_~x~4 44), 2058#(<= ULTIMATE.start_main_~x~4 46), 2059#(<= ULTIMATE.start_main_~x~4 48), 2060#(<= ULTIMATE.start_main_~x~4 50), 2061#(<= ULTIMATE.start_main_~x~4 52), 2062#(<= ULTIMATE.start_main_~x~4 54), 2063#(<= ULTIMATE.start_main_~x~4 56), 2064#(<= ULTIMATE.start_main_~x~4 58), 2038#true, 2039#false, 2040#(<= ULTIMATE.start_main_~x~4 10), 2041#(<= ULTIMATE.start_main_~x~4 12), 2042#(<= ULTIMATE.start_main_~x~4 14), 2043#(<= ULTIMATE.start_main_~x~4 16), 2044#(<= ULTIMATE.start_main_~x~4 18), 2045#(<= ULTIMATE.start_main_~x~4 20), 2046#(<= ULTIMATE.start_main_~x~4 22), 2047#(<= ULTIMATE.start_main_~x~4 24)] [2018-07-23 13:41:31,543 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 13:41:31,543 INFO L450 AbstractCegarLoop]: Interpolant automaton has 27 states [2018-07-23 13:41:31,544 INFO L132 InterpolantAutomaton]: Constructing interpolant automaton starting with 27 interpolants. [2018-07-23 13:41:31,544 INFO L133 InterpolantAutomaton]: CoverageRelationStatistics Valid=351, Invalid=351, Unknown=0, NotChecked=0, Total=702 [2018-07-23 13:41:31,544 INFO L87 Difference]: Start difference. First operand 28 states and 28 transitions. Second operand 27 states. [2018-07-23 13:41:31,566 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2018-07-23 13:41:31,566 INFO L93 Difference]: Finished difference Result 31 states and 31 transitions. [2018-07-23 13:41:31,566 INFO L142 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 27 states. [2018-07-23 13:41:31,566 INFO L78 Accepts]: Start accepts. Automaton has 27 states. Word has length 27 [2018-07-23 13:41:31,567 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2018-07-23 13:41:31,567 INFO L225 Difference]: With dead ends: 31 [2018-07-23 13:41:31,567 INFO L226 Difference]: Without dead ends: 29 [2018-07-23 13:41:31,568 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 13:41:31,568 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 29 states. [2018-07-23 13:41:31,572 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 29 to 29. [2018-07-23 13:41:31,573 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 29 states. [2018-07-23 13:41:31,573 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 29 states to 29 states and 29 transitions. [2018-07-23 13:41:31,574 INFO L78 Accepts]: Start accepts. Automaton has 29 states and 29 transitions. Word has length 27 [2018-07-23 13:41:31,574 INFO L84 Accepts]: Finished accepts. word is rejected. [2018-07-23 13:41:31,574 INFO L471 AbstractCegarLoop]: Abstraction has 29 states and 29 transitions. [2018-07-23 13:41:31,574 INFO L472 AbstractCegarLoop]: Interpolant automaton has 27 states. [2018-07-23 13:41:31,574 INFO L276 IsEmpty]: Start isEmpty. Operand 29 states and 29 transitions. [2018-07-23 13:41:31,575 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 29 [2018-07-23 13:41:31,575 INFO L349 BasicCegarLoop]: Found error trace [2018-07-23 13:41:31,575 INFO L357 BasicCegarLoop]: trace histogram [25, 1, 1, 1] [2018-07-23 13:41:31,576 INFO L414 AbstractCegarLoop]: === Iteration 26 === [ULTIMATE.startErr0AssertViolationASSERT]=== [2018-07-23 13:41:31,576 INFO L82 PathProgramCache]: Analyzing trace with hash 650645672, now seen corresponding path program 25 times [2018-07-23 13:41:31,576 INFO L69 tionRefinementEngine]: Using refinement strategy FixedRefinementStrategy [2018-07-23 13:41:31,593 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-07-23 13:41:31,704 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 13:41:31,705 INFO L309 seRefinementStrategy]: Constructing automaton from 0 perfect and 1 imperfect interpolant sequences. [2018-07-23 13:41:31,705 INFO L324 seRefinementStrategy]: Number of different interpolants: perfect sequences [] imperfect sequences [27] total 27 [2018-07-23 13:41:31,705 INFO L142 lantAutomatonBuilder]: Constructing canonical interpolant automaton, with selfloop in false state [2018-07-23 13:41:31,705 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2018-07-23 13:41:31,706 INFO L185 omatonBuilderFactory]: Interpolants [2185#true, 2186#false, 2187#(<= ULTIMATE.start_main_~x~4 10), 2188#(<= ULTIMATE.start_main_~x~4 12), 2189#(<= ULTIMATE.start_main_~x~4 14), 2190#(<= ULTIMATE.start_main_~x~4 16), 2191#(<= ULTIMATE.start_main_~x~4 18), 2192#(<= ULTIMATE.start_main_~x~4 20), 2193#(<= ULTIMATE.start_main_~x~4 22), 2194#(<= ULTIMATE.start_main_~x~4 24), 2195#(<= ULTIMATE.start_main_~x~4 26), 2196#(<= ULTIMATE.start_main_~x~4 28), 2197#(<= ULTIMATE.start_main_~x~4 30), 2198#(<= ULTIMATE.start_main_~x~4 32), 2199#(<= ULTIMATE.start_main_~x~4 34), 2200#(<= ULTIMATE.start_main_~x~4 36), 2201#(<= ULTIMATE.start_main_~x~4 38), 2202#(<= ULTIMATE.start_main_~x~4 40), 2203#(<= ULTIMATE.start_main_~x~4 42), 2204#(<= ULTIMATE.start_main_~x~4 44), 2205#(<= ULTIMATE.start_main_~x~4 46), 2206#(<= ULTIMATE.start_main_~x~4 48), 2207#(<= ULTIMATE.start_main_~x~4 50), 2208#(<= ULTIMATE.start_main_~x~4 52), 2209#(<= ULTIMATE.start_main_~x~4 54), 2210#(<= ULTIMATE.start_main_~x~4 56), 2211#(<= ULTIMATE.start_main_~x~4 58), 2212#(<= ULTIMATE.start_main_~x~4 60)] [2018-07-23 13:41:31,707 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 13:41:31,707 INFO L450 AbstractCegarLoop]: Interpolant automaton has 28 states [2018-07-23 13:41:31,707 INFO L132 InterpolantAutomaton]: Constructing interpolant automaton starting with 28 interpolants. [2018-07-23 13:41:31,708 INFO L133 InterpolantAutomaton]: CoverageRelationStatistics Valid=378, Invalid=378, Unknown=0, NotChecked=0, Total=756 [2018-07-23 13:41:31,711 INFO L87 Difference]: Start difference. First operand 29 states and 29 transitions. Second operand 28 states. [2018-07-23 13:41:31,736 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2018-07-23 13:41:31,737 INFO L93 Difference]: Finished difference Result 32 states and 32 transitions. [2018-07-23 13:41:31,737 INFO L142 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 28 states. [2018-07-23 13:41:31,739 INFO L78 Accepts]: Start accepts. Automaton has 28 states. Word has length 28 [2018-07-23 13:41:31,739 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2018-07-23 13:41:31,740 INFO L225 Difference]: With dead ends: 32 [2018-07-23 13:41:31,740 INFO L226 Difference]: Without dead ends: 30 [2018-07-23 13:41:31,741 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 13:41:31,741 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 30 states. [2018-07-23 13:41:31,744 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 30 to 30. [2018-07-23 13:41:31,744 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 30 states. [2018-07-23 13:41:31,744 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 30 states to 30 states and 30 transitions. [2018-07-23 13:41:31,744 INFO L78 Accepts]: Start accepts. Automaton has 30 states and 30 transitions. Word has length 28 [2018-07-23 13:41:31,745 INFO L84 Accepts]: Finished accepts. word is rejected. [2018-07-23 13:41:31,745 INFO L471 AbstractCegarLoop]: Abstraction has 30 states and 30 transitions. [2018-07-23 13:41:31,745 INFO L472 AbstractCegarLoop]: Interpolant automaton has 28 states. [2018-07-23 13:41:31,745 INFO L276 IsEmpty]: Start isEmpty. Operand 30 states and 30 transitions. [2018-07-23 13:41:31,746 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 30 [2018-07-23 13:41:31,747 INFO L349 BasicCegarLoop]: Found error trace [2018-07-23 13:41:31,747 INFO L357 BasicCegarLoop]: trace histogram [26, 1, 1, 1] [2018-07-23 13:41:31,747 INFO L414 AbstractCegarLoop]: === Iteration 27 === [ULTIMATE.startErr0AssertViolationASSERT]=== [2018-07-23 13:41:31,747 INFO L82 PathProgramCache]: Analyzing trace with hash -1304822623, now seen corresponding path program 26 times [2018-07-23 13:41:31,749 INFO L69 tionRefinementEngine]: Using refinement strategy FixedRefinementStrategy [2018-07-23 13:41:31,756 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-07-23 13:41:31,881 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 13:41:31,881 INFO L309 seRefinementStrategy]: Constructing automaton from 0 perfect and 1 imperfect interpolant sequences. [2018-07-23 13:41:31,881 INFO L324 seRefinementStrategy]: Number of different interpolants: perfect sequences [] imperfect sequences [28] total 28 [2018-07-23 13:41:31,881 INFO L142 lantAutomatonBuilder]: Constructing canonical interpolant automaton, with selfloop in false state [2018-07-23 13:41:31,882 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2018-07-23 13:41:31,882 INFO L185 omatonBuilderFactory]: Interpolants [2337#true, 2338#false, 2339#(<= ULTIMATE.start_main_~x~4 10), 2340#(<= ULTIMATE.start_main_~x~4 12), 2341#(<= ULTIMATE.start_main_~x~4 14), 2342#(<= ULTIMATE.start_main_~x~4 16), 2343#(<= ULTIMATE.start_main_~x~4 18), 2344#(<= ULTIMATE.start_main_~x~4 20), 2345#(<= ULTIMATE.start_main_~x~4 22), 2346#(<= ULTIMATE.start_main_~x~4 24), 2347#(<= ULTIMATE.start_main_~x~4 26), 2348#(<= ULTIMATE.start_main_~x~4 28), 2349#(<= ULTIMATE.start_main_~x~4 30), 2350#(<= ULTIMATE.start_main_~x~4 32), 2351#(<= ULTIMATE.start_main_~x~4 34), 2352#(<= ULTIMATE.start_main_~x~4 36), 2353#(<= ULTIMATE.start_main_~x~4 38), 2354#(<= ULTIMATE.start_main_~x~4 40), 2355#(<= ULTIMATE.start_main_~x~4 42), 2356#(<= ULTIMATE.start_main_~x~4 44), 2357#(<= ULTIMATE.start_main_~x~4 46), 2358#(<= ULTIMATE.start_main_~x~4 48), 2359#(<= ULTIMATE.start_main_~x~4 50), 2360#(<= ULTIMATE.start_main_~x~4 52), 2361#(<= ULTIMATE.start_main_~x~4 54), 2362#(<= ULTIMATE.start_main_~x~4 56), 2363#(<= ULTIMATE.start_main_~x~4 58), 2364#(<= ULTIMATE.start_main_~x~4 60), 2365#(<= ULTIMATE.start_main_~x~4 62)] [2018-07-23 13:41:31,883 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 13:41:31,883 INFO L450 AbstractCegarLoop]: Interpolant automaton has 29 states [2018-07-23 13:41:31,883 INFO L132 InterpolantAutomaton]: Constructing interpolant automaton starting with 29 interpolants. [2018-07-23 13:41:31,884 INFO L133 InterpolantAutomaton]: CoverageRelationStatistics Valid=406, Invalid=406, Unknown=0, NotChecked=0, Total=812 [2018-07-23 13:41:31,884 INFO L87 Difference]: Start difference. First operand 30 states and 30 transitions. Second operand 29 states. [2018-07-23 13:41:31,915 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2018-07-23 13:41:31,915 INFO L93 Difference]: Finished difference Result 33 states and 33 transitions. [2018-07-23 13:41:31,915 INFO L142 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 29 states. [2018-07-23 13:41:31,916 INFO L78 Accepts]: Start accepts. Automaton has 29 states. Word has length 29 [2018-07-23 13:41:31,916 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2018-07-23 13:41:31,916 INFO L225 Difference]: With dead ends: 33 [2018-07-23 13:41:31,916 INFO L226 Difference]: Without dead ends: 31 [2018-07-23 13:41:31,917 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 13:41:31,917 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 31 states. [2018-07-23 13:41:31,920 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 31 to 31. [2018-07-23 13:41:31,920 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 31 states. [2018-07-23 13:41:31,922 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 31 states to 31 states and 31 transitions. [2018-07-23 13:41:31,922 INFO L78 Accepts]: Start accepts. Automaton has 31 states and 31 transitions. Word has length 29 [2018-07-23 13:41:31,922 INFO L84 Accepts]: Finished accepts. word is rejected. [2018-07-23 13:41:31,922 INFO L471 AbstractCegarLoop]: Abstraction has 31 states and 31 transitions. [2018-07-23 13:41:31,922 INFO L472 AbstractCegarLoop]: Interpolant automaton has 29 states. [2018-07-23 13:41:31,923 INFO L276 IsEmpty]: Start isEmpty. Operand 31 states and 31 transitions. [2018-07-23 13:41:31,923 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 31 [2018-07-23 13:41:31,923 INFO L349 BasicCegarLoop]: Found error trace [2018-07-23 13:41:31,925 INFO L357 BasicCegarLoop]: trace histogram [27, 1, 1, 1] [2018-07-23 13:41:31,926 INFO L414 AbstractCegarLoop]: === Iteration 28 === [ULTIMATE.startErr0AssertViolationASSERT]=== [2018-07-23 13:41:31,926 INFO L82 PathProgramCache]: Analyzing trace with hash -1794797624, now seen corresponding path program 27 times [2018-07-23 13:41:31,926 INFO L69 tionRefinementEngine]: Using refinement strategy FixedRefinementStrategy [2018-07-23 13:41:31,934 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-07-23 13:41:32,064 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 13:41:32,065 INFO L309 seRefinementStrategy]: Constructing automaton from 0 perfect and 1 imperfect interpolant sequences. [2018-07-23 13:41:32,066 INFO L324 seRefinementStrategy]: Number of different interpolants: perfect sequences [] imperfect sequences [29] total 29 [2018-07-23 13:41:32,066 INFO L142 lantAutomatonBuilder]: Constructing canonical interpolant automaton, with selfloop in false state [2018-07-23 13:41:32,066 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2018-07-23 13:41:32,066 INFO L185 omatonBuilderFactory]: Interpolants [2496#(<= ULTIMATE.start_main_~x~4 10), 2497#(<= ULTIMATE.start_main_~x~4 12), 2498#(<= ULTIMATE.start_main_~x~4 14), 2499#(<= ULTIMATE.start_main_~x~4 16), 2500#(<= ULTIMATE.start_main_~x~4 18), 2501#(<= ULTIMATE.start_main_~x~4 20), 2502#(<= ULTIMATE.start_main_~x~4 22), 2503#(<= ULTIMATE.start_main_~x~4 24), 2504#(<= ULTIMATE.start_main_~x~4 26), 2505#(<= ULTIMATE.start_main_~x~4 28), 2506#(<= ULTIMATE.start_main_~x~4 30), 2507#(<= ULTIMATE.start_main_~x~4 32), 2508#(<= ULTIMATE.start_main_~x~4 34), 2509#(<= ULTIMATE.start_main_~x~4 36), 2510#(<= ULTIMATE.start_main_~x~4 38), 2511#(<= ULTIMATE.start_main_~x~4 40), 2512#(<= ULTIMATE.start_main_~x~4 42), 2513#(<= ULTIMATE.start_main_~x~4 44), 2514#(<= ULTIMATE.start_main_~x~4 46), 2515#(<= ULTIMATE.start_main_~x~4 48), 2516#(<= ULTIMATE.start_main_~x~4 50), 2517#(<= ULTIMATE.start_main_~x~4 52), 2518#(<= ULTIMATE.start_main_~x~4 54), 2519#(<= ULTIMATE.start_main_~x~4 56), 2520#(<= ULTIMATE.start_main_~x~4 58), 2521#(<= ULTIMATE.start_main_~x~4 60), 2522#(<= ULTIMATE.start_main_~x~4 62), 2523#(<= ULTIMATE.start_main_~x~4 64), 2494#true, 2495#false] [2018-07-23 13:41:32,072 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 13:41:32,072 INFO L450 AbstractCegarLoop]: Interpolant automaton has 30 states [2018-07-23 13:41:32,073 INFO L132 InterpolantAutomaton]: Constructing interpolant automaton starting with 30 interpolants. [2018-07-23 13:41:32,073 INFO L133 InterpolantAutomaton]: CoverageRelationStatistics Valid=435, Invalid=435, Unknown=0, NotChecked=0, Total=870 [2018-07-23 13:41:32,074 INFO L87 Difference]: Start difference. First operand 31 states and 31 transitions. Second operand 30 states. [2018-07-23 13:41:32,099 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2018-07-23 13:41:32,100 INFO L93 Difference]: Finished difference Result 34 states and 34 transitions. [2018-07-23 13:41:32,100 INFO L142 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 30 states. [2018-07-23 13:41:32,100 INFO L78 Accepts]: Start accepts. Automaton has 30 states. Word has length 30 [2018-07-23 13:41:32,100 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2018-07-23 13:41:32,101 INFO L225 Difference]: With dead ends: 34 [2018-07-23 13:41:32,101 INFO L226 Difference]: Without dead ends: 32 [2018-07-23 13:41:32,102 INFO L575 BasicCegarLoop]: 0 DeclaredPredicates, 29 GetRequests, 1 SyntacticMatches, 0 SemanticMatches, 28 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 0 ImplicationChecksByTransitivity, 0.1s TimeCoverageRelationStatistics Valid=435, Invalid=435, Unknown=0, NotChecked=0, Total=870 [2018-07-23 13:41:32,102 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 32 states. [2018-07-23 13:41:32,108 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 32 to 32. [2018-07-23 13:41:32,108 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 32 states. [2018-07-23 13:41:32,109 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 32 states to 32 states and 32 transitions. [2018-07-23 13:41:32,109 INFO L78 Accepts]: Start accepts. Automaton has 32 states and 32 transitions. Word has length 30 [2018-07-23 13:41:32,112 INFO L84 Accepts]: Finished accepts. word is rejected. [2018-07-23 13:41:32,113 INFO L471 AbstractCegarLoop]: Abstraction has 32 states and 32 transitions. [2018-07-23 13:41:32,113 INFO L472 AbstractCegarLoop]: Interpolant automaton has 30 states. [2018-07-23 13:41:32,113 INFO L276 IsEmpty]: Start isEmpty. Operand 32 states and 32 transitions. [2018-07-23 13:41:32,113 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 32 [2018-07-23 13:41:32,113 INFO L349 BasicCegarLoop]: Found error trace [2018-07-23 13:41:32,114 INFO L357 BasicCegarLoop]: trace histogram [28, 1, 1, 1] [2018-07-23 13:41:32,114 INFO L414 AbstractCegarLoop]: === Iteration 29 === [ULTIMATE.startErr0AssertViolationASSERT]=== [2018-07-23 13:41:32,114 INFO L82 PathProgramCache]: Analyzing trace with hash 195846529, now seen corresponding path program 28 times [2018-07-23 13:41:32,116 INFO L69 tionRefinementEngine]: Using refinement strategy FixedRefinementStrategy [2018-07-23 13:41:32,125 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-07-23 13:41:32,254 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 13:41:32,254 INFO L309 seRefinementStrategy]: Constructing automaton from 0 perfect and 1 imperfect interpolant sequences. [2018-07-23 13:41:32,255 INFO L324 seRefinementStrategy]: Number of different interpolants: perfect sequences [] imperfect sequences [30] total 30 [2018-07-23 13:41:32,255 INFO L142 lantAutomatonBuilder]: Constructing canonical interpolant automaton, with selfloop in false state [2018-07-23 13:41:32,255 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2018-07-23 13:41:32,255 INFO L185 omatonBuilderFactory]: Interpolants [2656#true, 2657#false, 2658#(<= ULTIMATE.start_main_~x~4 10), 2659#(<= ULTIMATE.start_main_~x~4 12), 2660#(<= ULTIMATE.start_main_~x~4 14), 2661#(<= ULTIMATE.start_main_~x~4 16), 2662#(<= ULTIMATE.start_main_~x~4 18), 2663#(<= ULTIMATE.start_main_~x~4 20), 2664#(<= ULTIMATE.start_main_~x~4 22), 2665#(<= ULTIMATE.start_main_~x~4 24), 2666#(<= ULTIMATE.start_main_~x~4 26), 2667#(<= ULTIMATE.start_main_~x~4 28), 2668#(<= ULTIMATE.start_main_~x~4 30), 2669#(<= ULTIMATE.start_main_~x~4 32), 2670#(<= ULTIMATE.start_main_~x~4 34), 2671#(<= ULTIMATE.start_main_~x~4 36), 2672#(<= ULTIMATE.start_main_~x~4 38), 2673#(<= ULTIMATE.start_main_~x~4 40), 2674#(<= ULTIMATE.start_main_~x~4 42), 2675#(<= ULTIMATE.start_main_~x~4 44), 2676#(<= ULTIMATE.start_main_~x~4 46), 2677#(<= ULTIMATE.start_main_~x~4 48), 2678#(<= ULTIMATE.start_main_~x~4 50), 2679#(<= ULTIMATE.start_main_~x~4 52), 2680#(<= ULTIMATE.start_main_~x~4 54), 2681#(<= ULTIMATE.start_main_~x~4 56), 2682#(<= ULTIMATE.start_main_~x~4 58), 2683#(<= ULTIMATE.start_main_~x~4 60), 2684#(<= ULTIMATE.start_main_~x~4 62), 2685#(<= ULTIMATE.start_main_~x~4 64), 2686#(<= ULTIMATE.start_main_~x~4 66)] [2018-07-23 13:41:32,256 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 13:41:32,256 INFO L450 AbstractCegarLoop]: Interpolant automaton has 31 states [2018-07-23 13:41:32,257 INFO L132 InterpolantAutomaton]: Constructing interpolant automaton starting with 31 interpolants. [2018-07-23 13:41:32,257 INFO L133 InterpolantAutomaton]: CoverageRelationStatistics Valid=465, Invalid=465, Unknown=0, NotChecked=0, Total=930 [2018-07-23 13:41:32,258 INFO L87 Difference]: Start difference. First operand 32 states and 32 transitions. Second operand 31 states. [2018-07-23 13:41:32,282 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2018-07-23 13:41:32,282 INFO L93 Difference]: Finished difference Result 35 states and 35 transitions. [2018-07-23 13:41:32,283 INFO L142 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 31 states. [2018-07-23 13:41:32,283 INFO L78 Accepts]: Start accepts. Automaton has 31 states. Word has length 31 [2018-07-23 13:41:32,283 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2018-07-23 13:41:32,283 INFO L225 Difference]: With dead ends: 35 [2018-07-23 13:41:32,284 INFO L226 Difference]: Without dead ends: 33 [2018-07-23 13:41:32,286 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 13:41:32,286 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 33 states. [2018-07-23 13:41:32,289 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 33 to 33. [2018-07-23 13:41:32,289 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 33 states. [2018-07-23 13:41:32,290 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 33 states to 33 states and 33 transitions. [2018-07-23 13:41:32,290 INFO L78 Accepts]: Start accepts. Automaton has 33 states and 33 transitions. Word has length 31 [2018-07-23 13:41:32,293 INFO L84 Accepts]: Finished accepts. word is rejected. [2018-07-23 13:41:32,294 INFO L471 AbstractCegarLoop]: Abstraction has 33 states and 33 transitions. [2018-07-23 13:41:32,294 INFO L472 AbstractCegarLoop]: Interpolant automaton has 31 states. [2018-07-23 13:41:32,294 INFO L276 IsEmpty]: Start isEmpty. Operand 33 states and 33 transitions. [2018-07-23 13:41:32,294 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 33 [2018-07-23 13:41:32,295 INFO L349 BasicCegarLoop]: Found error trace [2018-07-23 13:41:32,295 INFO L357 BasicCegarLoop]: trace histogram [29, 1, 1, 1] [2018-07-23 13:41:32,295 INFO L414 AbstractCegarLoop]: === Iteration 30 === [ULTIMATE.startErr0AssertViolationASSERT]=== [2018-07-23 13:41:32,295 INFO L82 PathProgramCache]: Analyzing trace with hash 1776273128, now seen corresponding path program 29 times [2018-07-23 13:41:32,295 INFO L69 tionRefinementEngine]: Using refinement strategy FixedRefinementStrategy [2018-07-23 13:41:32,308 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-07-23 13:41:32,446 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 13:41:32,446 INFO L309 seRefinementStrategy]: Constructing automaton from 0 perfect and 1 imperfect interpolant sequences. [2018-07-23 13:41:32,447 INFO L324 seRefinementStrategy]: Number of different interpolants: perfect sequences [] imperfect sequences [31] total 31 [2018-07-23 13:41:32,447 INFO L142 lantAutomatonBuilder]: Constructing canonical interpolant automaton, with selfloop in false state [2018-07-23 13:41:32,447 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2018-07-23 13:41:32,448 INFO L185 omatonBuilderFactory]: Interpolants [2823#true, 2824#false, 2825#(<= ULTIMATE.start_main_~x~4 10), 2826#(<= ULTIMATE.start_main_~x~4 12), 2827#(<= ULTIMATE.start_main_~x~4 14), 2828#(<= ULTIMATE.start_main_~x~4 16), 2829#(<= ULTIMATE.start_main_~x~4 18), 2830#(<= ULTIMATE.start_main_~x~4 20), 2831#(<= ULTIMATE.start_main_~x~4 22), 2832#(<= ULTIMATE.start_main_~x~4 24), 2833#(<= ULTIMATE.start_main_~x~4 26), 2834#(<= ULTIMATE.start_main_~x~4 28), 2835#(<= ULTIMATE.start_main_~x~4 30), 2836#(<= ULTIMATE.start_main_~x~4 32), 2837#(<= ULTIMATE.start_main_~x~4 34), 2838#(<= ULTIMATE.start_main_~x~4 36), 2839#(<= ULTIMATE.start_main_~x~4 38), 2840#(<= ULTIMATE.start_main_~x~4 40), 2841#(<= ULTIMATE.start_main_~x~4 42), 2842#(<= ULTIMATE.start_main_~x~4 44), 2843#(<= ULTIMATE.start_main_~x~4 46), 2844#(<= ULTIMATE.start_main_~x~4 48), 2845#(<= ULTIMATE.start_main_~x~4 50), 2846#(<= ULTIMATE.start_main_~x~4 52), 2847#(<= ULTIMATE.start_main_~x~4 54), 2848#(<= ULTIMATE.start_main_~x~4 56), 2849#(<= ULTIMATE.start_main_~x~4 58), 2850#(<= ULTIMATE.start_main_~x~4 60), 2851#(<= ULTIMATE.start_main_~x~4 62), 2852#(<= ULTIMATE.start_main_~x~4 64), 2853#(<= ULTIMATE.start_main_~x~4 66), 2854#(<= ULTIMATE.start_main_~x~4 68)] [2018-07-23 13:41:32,448 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 13:41:32,449 INFO L450 AbstractCegarLoop]: Interpolant automaton has 32 states [2018-07-23 13:41:32,449 INFO L132 InterpolantAutomaton]: Constructing interpolant automaton starting with 32 interpolants. [2018-07-23 13:41:32,450 INFO L133 InterpolantAutomaton]: CoverageRelationStatistics Valid=496, Invalid=496, Unknown=0, NotChecked=0, Total=992 [2018-07-23 13:41:32,451 INFO L87 Difference]: Start difference. First operand 33 states and 33 transitions. Second operand 32 states. [2018-07-23 13:41:32,476 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2018-07-23 13:41:32,477 INFO L93 Difference]: Finished difference Result 36 states and 36 transitions. [2018-07-23 13:41:32,477 INFO L142 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 32 states. [2018-07-23 13:41:32,477 INFO L78 Accepts]: Start accepts. Automaton has 32 states. Word has length 32 [2018-07-23 13:41:32,477 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2018-07-23 13:41:32,478 INFO L225 Difference]: With dead ends: 36 [2018-07-23 13:41:32,478 INFO L226 Difference]: Without dead ends: 34 [2018-07-23 13:41:32,479 INFO L575 BasicCegarLoop]: 0 DeclaredPredicates, 31 GetRequests, 1 SyntacticMatches, 0 SemanticMatches, 30 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 0 ImplicationChecksByTransitivity, 0.1s TimeCoverageRelationStatistics Valid=496, Invalid=496, Unknown=0, NotChecked=0, Total=992 [2018-07-23 13:41:32,479 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 34 states. [2018-07-23 13:41:32,482 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 34 to 34. [2018-07-23 13:41:32,483 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 34 states. [2018-07-23 13:41:32,483 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 34 states to 34 states and 34 transitions. [2018-07-23 13:41:32,483 INFO L78 Accepts]: Start accepts. Automaton has 34 states and 34 transitions. Word has length 32 [2018-07-23 13:41:32,483 INFO L84 Accepts]: Finished accepts. word is rejected. [2018-07-23 13:41:32,484 INFO L471 AbstractCegarLoop]: Abstraction has 34 states and 34 transitions. [2018-07-23 13:41:32,484 INFO L472 AbstractCegarLoop]: Interpolant automaton has 32 states. [2018-07-23 13:41:32,484 INFO L276 IsEmpty]: Start isEmpty. Operand 34 states and 34 transitions. [2018-07-23 13:41:32,484 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 34 [2018-07-23 13:41:32,484 INFO L349 BasicCegarLoop]: Found error trace [2018-07-23 13:41:32,485 INFO L357 BasicCegarLoop]: trace histogram [30, 1, 1, 1] [2018-07-23 13:41:32,485 INFO L414 AbstractCegarLoop]: === Iteration 31 === [ULTIMATE.startErr0AssertViolationASSERT]=== [2018-07-23 13:41:32,485 INFO L82 PathProgramCache]: Analyzing trace with hash -770109855, now seen corresponding path program 30 times [2018-07-23 13:41:32,485 INFO L69 tionRefinementEngine]: Using refinement strategy FixedRefinementStrategy [2018-07-23 13:41:32,495 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-07-23 13:41:32,647 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 13:41:32,648 INFO L309 seRefinementStrategy]: Constructing automaton from 0 perfect and 1 imperfect interpolant sequences. [2018-07-23 13:41:32,648 INFO L324 seRefinementStrategy]: Number of different interpolants: perfect sequences [] imperfect sequences [32] total 32 [2018-07-23 13:41:32,648 INFO L142 lantAutomatonBuilder]: Constructing canonical interpolant automaton, with selfloop in false state [2018-07-23 13:41:32,649 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 13:41:32,649 INFO L185 omatonBuilderFactory]: Interpolants [3008#(<= ULTIMATE.start_main_~x~4 32), 3009#(<= ULTIMATE.start_main_~x~4 34), 3010#(<= ULTIMATE.start_main_~x~4 36), 3011#(<= ULTIMATE.start_main_~x~4 38), 3012#(<= ULTIMATE.start_main_~x~4 40), 3013#(<= ULTIMATE.start_main_~x~4 42), 3014#(<= ULTIMATE.start_main_~x~4 44), 3015#(<= ULTIMATE.start_main_~x~4 46), 3016#(<= ULTIMATE.start_main_~x~4 48), 3017#(<= ULTIMATE.start_main_~x~4 50), 3018#(<= ULTIMATE.start_main_~x~4 52), 3019#(<= ULTIMATE.start_main_~x~4 54), 3020#(<= ULTIMATE.start_main_~x~4 56), 3021#(<= ULTIMATE.start_main_~x~4 58), 3022#(<= ULTIMATE.start_main_~x~4 60), 3023#(<= ULTIMATE.start_main_~x~4 62), 3024#(<= ULTIMATE.start_main_~x~4 64), 3025#(<= ULTIMATE.start_main_~x~4 66), 3026#(<= ULTIMATE.start_main_~x~4 68), 3027#(<= ULTIMATE.start_main_~x~4 70), 2995#true, 2996#false, 2997#(<= ULTIMATE.start_main_~x~4 10), 2998#(<= ULTIMATE.start_main_~x~4 12), 2999#(<= ULTIMATE.start_main_~x~4 14), 3000#(<= ULTIMATE.start_main_~x~4 16), 3001#(<= ULTIMATE.start_main_~x~4 18), 3002#(<= ULTIMATE.start_main_~x~4 20), 3003#(<= ULTIMATE.start_main_~x~4 22), 3004#(<= ULTIMATE.start_main_~x~4 24), 3005#(<= ULTIMATE.start_main_~x~4 26), 3006#(<= ULTIMATE.start_main_~x~4 28), 3007#(<= ULTIMATE.start_main_~x~4 30)] [2018-07-23 13:41:32,650 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 13:41:32,650 INFO L450 AbstractCegarLoop]: Interpolant automaton has 33 states [2018-07-23 13:41:32,650 INFO L132 InterpolantAutomaton]: Constructing interpolant automaton starting with 33 interpolants. [2018-07-23 13:41:32,651 INFO L133 InterpolantAutomaton]: CoverageRelationStatistics Valid=528, Invalid=528, Unknown=0, NotChecked=0, Total=1056 [2018-07-23 13:41:32,651 INFO L87 Difference]: Start difference. First operand 34 states and 34 transitions. Second operand 33 states. [2018-07-23 13:41:32,676 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2018-07-23 13:41:32,676 INFO L93 Difference]: Finished difference Result 37 states and 37 transitions. [2018-07-23 13:41:32,677 INFO L142 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 33 states. [2018-07-23 13:41:32,677 INFO L78 Accepts]: Start accepts. Automaton has 33 states. Word has length 33 [2018-07-23 13:41:32,677 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2018-07-23 13:41:32,678 INFO L225 Difference]: With dead ends: 37 [2018-07-23 13:41:32,678 INFO L226 Difference]: Without dead ends: 35 [2018-07-23 13:41:32,679 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 13:41:32,680 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 35 states. [2018-07-23 13:41:32,682 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 35 to 35. [2018-07-23 13:41:32,683 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 35 states. [2018-07-23 13:41:32,683 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 35 states to 35 states and 35 transitions. [2018-07-23 13:41:32,683 INFO L78 Accepts]: Start accepts. Automaton has 35 states and 35 transitions. Word has length 33 [2018-07-23 13:41:32,684 INFO L84 Accepts]: Finished accepts. word is rejected. [2018-07-23 13:41:32,684 INFO L471 AbstractCegarLoop]: Abstraction has 35 states and 35 transitions. [2018-07-23 13:41:32,684 INFO L472 AbstractCegarLoop]: Interpolant automaton has 33 states. [2018-07-23 13:41:32,684 INFO L276 IsEmpty]: Start isEmpty. Operand 35 states and 35 transitions. [2018-07-23 13:41:32,685 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 35 [2018-07-23 13:41:32,685 INFO L349 BasicCegarLoop]: Found error trace [2018-07-23 13:41:32,685 INFO L357 BasicCegarLoop]: trace histogram [31, 1, 1, 1] [2018-07-23 13:41:32,685 INFO L414 AbstractCegarLoop]: === Iteration 32 === [ULTIMATE.startErr0AssertViolationASSERT]=== [2018-07-23 13:41:32,686 INFO L82 PathProgramCache]: Analyzing trace with hash 1896396296, now seen corresponding path program 31 times [2018-07-23 13:41:32,686 INFO L69 tionRefinementEngine]: Using refinement strategy FixedRefinementStrategy [2018-07-23 13:41:32,697 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-07-23 13:41:32,915 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 13:41:32,916 INFO L309 seRefinementStrategy]: Constructing automaton from 0 perfect and 1 imperfect interpolant sequences. [2018-07-23 13:41:32,916 INFO L324 seRefinementStrategy]: Number of different interpolants: perfect sequences [] imperfect sequences [33] total 33 [2018-07-23 13:41:32,916 INFO L142 lantAutomatonBuilder]: Constructing canonical interpolant automaton, with selfloop in false state [2018-07-23 13:41:32,917 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2018-07-23 13:41:32,917 INFO L185 omatonBuilderFactory]: Interpolants [3200#(<= ULTIMATE.start_main_~x~4 62), 3201#(<= ULTIMATE.start_main_~x~4 64), 3202#(<= ULTIMATE.start_main_~x~4 66), 3203#(<= ULTIMATE.start_main_~x~4 68), 3204#(<= ULTIMATE.start_main_~x~4 70), 3205#(<= ULTIMATE.start_main_~x~4 72), 3172#true, 3173#false, 3174#(<= ULTIMATE.start_main_~x~4 10), 3175#(<= ULTIMATE.start_main_~x~4 12), 3176#(<= ULTIMATE.start_main_~x~4 14), 3177#(<= ULTIMATE.start_main_~x~4 16), 3178#(<= ULTIMATE.start_main_~x~4 18), 3179#(<= ULTIMATE.start_main_~x~4 20), 3180#(<= ULTIMATE.start_main_~x~4 22), 3181#(<= ULTIMATE.start_main_~x~4 24), 3182#(<= ULTIMATE.start_main_~x~4 26), 3183#(<= ULTIMATE.start_main_~x~4 28), 3184#(<= ULTIMATE.start_main_~x~4 30), 3185#(<= ULTIMATE.start_main_~x~4 32), 3186#(<= ULTIMATE.start_main_~x~4 34), 3187#(<= ULTIMATE.start_main_~x~4 36), 3188#(<= ULTIMATE.start_main_~x~4 38), 3189#(<= ULTIMATE.start_main_~x~4 40), 3190#(<= ULTIMATE.start_main_~x~4 42), 3191#(<= ULTIMATE.start_main_~x~4 44), 3192#(<= ULTIMATE.start_main_~x~4 46), 3193#(<= ULTIMATE.start_main_~x~4 48), 3194#(<= ULTIMATE.start_main_~x~4 50), 3195#(<= ULTIMATE.start_main_~x~4 52), 3196#(<= ULTIMATE.start_main_~x~4 54), 3197#(<= ULTIMATE.start_main_~x~4 56), 3198#(<= ULTIMATE.start_main_~x~4 58), 3199#(<= ULTIMATE.start_main_~x~4 60)] [2018-07-23 13:41:32,918 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 13:41:32,918 INFO L450 AbstractCegarLoop]: Interpolant automaton has 34 states [2018-07-23 13:41:32,919 INFO L132 InterpolantAutomaton]: Constructing interpolant automaton starting with 34 interpolants. [2018-07-23 13:41:32,920 INFO L133 InterpolantAutomaton]: CoverageRelationStatistics Valid=561, Invalid=561, Unknown=0, NotChecked=0, Total=1122 [2018-07-23 13:41:32,920 INFO L87 Difference]: Start difference. First operand 35 states and 35 transitions. Second operand 34 states. [2018-07-23 13:41:32,939 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2018-07-23 13:41:32,940 INFO L93 Difference]: Finished difference Result 38 states and 38 transitions. [2018-07-23 13:41:32,940 INFO L142 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 34 states. [2018-07-23 13:41:32,940 INFO L78 Accepts]: Start accepts. Automaton has 34 states. Word has length 34 [2018-07-23 13:41:32,940 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2018-07-23 13:41:32,941 INFO L225 Difference]: With dead ends: 38 [2018-07-23 13:41:32,941 INFO L226 Difference]: Without dead ends: 36 [2018-07-23 13:41:32,942 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 13:41:32,942 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 36 states. [2018-07-23 13:41:32,949 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 36 to 36. [2018-07-23 13:41:32,949 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 36 states. [2018-07-23 13:41:32,949 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 36 states to 36 states and 36 transitions. [2018-07-23 13:41:32,950 INFO L78 Accepts]: Start accepts. Automaton has 36 states and 36 transitions. Word has length 34 [2018-07-23 13:41:32,950 INFO L84 Accepts]: Finished accepts. word is rejected. [2018-07-23 13:41:32,950 INFO L471 AbstractCegarLoop]: Abstraction has 36 states and 36 transitions. [2018-07-23 13:41:32,950 INFO L472 AbstractCegarLoop]: Interpolant automaton has 34 states. [2018-07-23 13:41:32,955 INFO L276 IsEmpty]: Start isEmpty. Operand 36 states and 36 transitions. [2018-07-23 13:41:32,956 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 36 [2018-07-23 13:41:32,956 INFO L349 BasicCegarLoop]: Found error trace [2018-07-23 13:41:32,956 INFO L357 BasicCegarLoop]: trace histogram [32, 1, 1, 1] [2018-07-23 13:41:32,956 INFO L414 AbstractCegarLoop]: === Iteration 33 === [ULTIMATE.startErr0AssertViolationASSERT]=== [2018-07-23 13:41:32,957 INFO L82 PathProgramCache]: Analyzing trace with hash -1341258943, now seen corresponding path program 32 times [2018-07-23 13:41:32,957 INFO L69 tionRefinementEngine]: Using refinement strategy FixedRefinementStrategy [2018-07-23 13:41:32,966 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-07-23 13:41:33,116 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 13:41:33,116 INFO L309 seRefinementStrategy]: Constructing automaton from 0 perfect and 1 imperfect interpolant sequences. [2018-07-23 13:41:33,116 INFO L324 seRefinementStrategy]: Number of different interpolants: perfect sequences [] imperfect sequences [34] total 34 [2018-07-23 13:41:33,117 INFO L142 lantAutomatonBuilder]: Constructing canonical interpolant automaton, with selfloop in false state [2018-07-23 13:41:33,117 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2018-07-23 13:41:33,117 INFO L185 omatonBuilderFactory]: Interpolants [3354#true, 3355#false, 3356#(<= ULTIMATE.start_main_~x~4 10), 3357#(<= ULTIMATE.start_main_~x~4 12), 3358#(<= ULTIMATE.start_main_~x~4 14), 3359#(<= ULTIMATE.start_main_~x~4 16), 3360#(<= ULTIMATE.start_main_~x~4 18), 3361#(<= ULTIMATE.start_main_~x~4 20), 3362#(<= ULTIMATE.start_main_~x~4 22), 3363#(<= ULTIMATE.start_main_~x~4 24), 3364#(<= ULTIMATE.start_main_~x~4 26), 3365#(<= ULTIMATE.start_main_~x~4 28), 3366#(<= ULTIMATE.start_main_~x~4 30), 3367#(<= ULTIMATE.start_main_~x~4 32), 3368#(<= ULTIMATE.start_main_~x~4 34), 3369#(<= ULTIMATE.start_main_~x~4 36), 3370#(<= ULTIMATE.start_main_~x~4 38), 3371#(<= ULTIMATE.start_main_~x~4 40), 3372#(<= ULTIMATE.start_main_~x~4 42), 3373#(<= ULTIMATE.start_main_~x~4 44), 3374#(<= ULTIMATE.start_main_~x~4 46), 3375#(<= ULTIMATE.start_main_~x~4 48), 3376#(<= ULTIMATE.start_main_~x~4 50), 3377#(<= ULTIMATE.start_main_~x~4 52), 3378#(<= ULTIMATE.start_main_~x~4 54), 3379#(<= ULTIMATE.start_main_~x~4 56), 3380#(<= ULTIMATE.start_main_~x~4 58), 3381#(<= ULTIMATE.start_main_~x~4 60), 3382#(<= ULTIMATE.start_main_~x~4 62), 3383#(<= ULTIMATE.start_main_~x~4 64), 3384#(<= ULTIMATE.start_main_~x~4 66), 3385#(<= ULTIMATE.start_main_~x~4 68), 3386#(<= ULTIMATE.start_main_~x~4 70), 3387#(<= ULTIMATE.start_main_~x~4 72), 3388#(<= ULTIMATE.start_main_~x~4 74)] [2018-07-23 13:41:33,118 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 13:41:33,118 INFO L450 AbstractCegarLoop]: Interpolant automaton has 35 states [2018-07-23 13:41:33,121 INFO L132 InterpolantAutomaton]: Constructing interpolant automaton starting with 35 interpolants. [2018-07-23 13:41:33,121 INFO L133 InterpolantAutomaton]: CoverageRelationStatistics Valid=595, Invalid=595, Unknown=0, NotChecked=0, Total=1190 [2018-07-23 13:41:33,122 INFO L87 Difference]: Start difference. First operand 36 states and 36 transitions. Second operand 35 states. [2018-07-23 13:41:33,147 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2018-07-23 13:41:33,147 INFO L93 Difference]: Finished difference Result 39 states and 39 transitions. [2018-07-23 13:41:33,147 INFO L142 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 35 states. [2018-07-23 13:41:33,148 INFO L78 Accepts]: Start accepts. Automaton has 35 states. Word has length 35 [2018-07-23 13:41:33,148 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2018-07-23 13:41:33,148 INFO L225 Difference]: With dead ends: 39 [2018-07-23 13:41:33,148 INFO L226 Difference]: Without dead ends: 37 [2018-07-23 13:41:33,150 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 13:41:33,150 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 37 states. [2018-07-23 13:41:33,156 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 37 to 37. [2018-07-23 13:41:33,156 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 37 states. [2018-07-23 13:41:33,156 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 37 states to 37 states and 37 transitions. [2018-07-23 13:41:33,156 INFO L78 Accepts]: Start accepts. Automaton has 37 states and 37 transitions. Word has length 35 [2018-07-23 13:41:33,157 INFO L84 Accepts]: Finished accepts. word is rejected. [2018-07-23 13:41:33,157 INFO L471 AbstractCegarLoop]: Abstraction has 37 states and 37 transitions. [2018-07-23 13:41:33,157 INFO L472 AbstractCegarLoop]: Interpolant automaton has 35 states. [2018-07-23 13:41:33,157 INFO L276 IsEmpty]: Start isEmpty. Operand 37 states and 37 transitions. [2018-07-23 13:41:33,157 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 37 [2018-07-23 13:41:33,157 INFO L349 BasicCegarLoop]: Found error trace [2018-07-23 13:41:33,158 INFO L357 BasicCegarLoop]: trace histogram [33, 1, 1, 1] [2018-07-23 13:41:33,158 INFO L414 AbstractCegarLoop]: === Iteration 34 === [ULTIMATE.startErr0AssertViolationASSERT]=== [2018-07-23 13:41:33,158 INFO L82 PathProgramCache]: Analyzing trace with hash 1370643752, now seen corresponding path program 33 times [2018-07-23 13:41:33,158 INFO L69 tionRefinementEngine]: Using refinement strategy FixedRefinementStrategy [2018-07-23 13:41:33,166 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-07-23 13:41:33,305 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 13:41:33,305 INFO L309 seRefinementStrategy]: Constructing automaton from 0 perfect and 1 imperfect interpolant sequences. [2018-07-23 13:41:33,306 INFO L324 seRefinementStrategy]: Number of different interpolants: perfect sequences [] imperfect sequences [35] total 35 [2018-07-23 13:41:33,306 INFO L142 lantAutomatonBuilder]: Constructing canonical interpolant automaton, with selfloop in false state [2018-07-23 13:41:33,306 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2018-07-23 13:41:33,306 INFO L185 omatonBuilderFactory]: Interpolants [3541#true, 3542#false, 3543#(<= ULTIMATE.start_main_~x~4 10), 3544#(<= ULTIMATE.start_main_~x~4 12), 3545#(<= ULTIMATE.start_main_~x~4 14), 3546#(<= ULTIMATE.start_main_~x~4 16), 3547#(<= ULTIMATE.start_main_~x~4 18), 3548#(<= ULTIMATE.start_main_~x~4 20), 3549#(<= ULTIMATE.start_main_~x~4 22), 3550#(<= ULTIMATE.start_main_~x~4 24), 3551#(<= ULTIMATE.start_main_~x~4 26), 3552#(<= ULTIMATE.start_main_~x~4 28), 3553#(<= ULTIMATE.start_main_~x~4 30), 3554#(<= ULTIMATE.start_main_~x~4 32), 3555#(<= ULTIMATE.start_main_~x~4 34), 3556#(<= ULTIMATE.start_main_~x~4 36), 3557#(<= ULTIMATE.start_main_~x~4 38), 3558#(<= ULTIMATE.start_main_~x~4 40), 3559#(<= ULTIMATE.start_main_~x~4 42), 3560#(<= ULTIMATE.start_main_~x~4 44), 3561#(<= ULTIMATE.start_main_~x~4 46), 3562#(<= ULTIMATE.start_main_~x~4 48), 3563#(<= ULTIMATE.start_main_~x~4 50), 3564#(<= ULTIMATE.start_main_~x~4 52), 3565#(<= ULTIMATE.start_main_~x~4 54), 3566#(<= ULTIMATE.start_main_~x~4 56), 3567#(<= ULTIMATE.start_main_~x~4 58), 3568#(<= ULTIMATE.start_main_~x~4 60), 3569#(<= ULTIMATE.start_main_~x~4 62), 3570#(<= ULTIMATE.start_main_~x~4 64), 3571#(<= ULTIMATE.start_main_~x~4 66), 3572#(<= ULTIMATE.start_main_~x~4 68), 3573#(<= ULTIMATE.start_main_~x~4 70), 3574#(<= ULTIMATE.start_main_~x~4 72), 3575#(<= ULTIMATE.start_main_~x~4 74), 3576#(<= ULTIMATE.start_main_~x~4 76)] [2018-07-23 13:41:33,307 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 13:41:33,307 INFO L450 AbstractCegarLoop]: Interpolant automaton has 36 states [2018-07-23 13:41:33,308 INFO L132 InterpolantAutomaton]: Constructing interpolant automaton starting with 36 interpolants. [2018-07-23 13:41:33,308 INFO L133 InterpolantAutomaton]: CoverageRelationStatistics Valid=630, Invalid=630, Unknown=0, NotChecked=0, Total=1260 [2018-07-23 13:41:33,309 INFO L87 Difference]: Start difference. First operand 37 states and 37 transitions. Second operand 36 states. [2018-07-23 13:41:33,335 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2018-07-23 13:41:33,336 INFO L93 Difference]: Finished difference Result 40 states and 40 transitions. [2018-07-23 13:41:33,336 INFO L142 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 36 states. [2018-07-23 13:41:33,336 INFO L78 Accepts]: Start accepts. Automaton has 36 states. Word has length 36 [2018-07-23 13:41:33,336 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2018-07-23 13:41:33,337 INFO L225 Difference]: With dead ends: 40 [2018-07-23 13:41:33,337 INFO L226 Difference]: Without dead ends: 38 [2018-07-23 13:41:33,338 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 13:41:33,338 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 38 states. [2018-07-23 13:41:33,340 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 38 to 38. [2018-07-23 13:41:33,340 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 38 states. [2018-07-23 13:41:33,341 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 38 states to 38 states and 38 transitions. [2018-07-23 13:41:33,341 INFO L78 Accepts]: Start accepts. Automaton has 38 states and 38 transitions. Word has length 36 [2018-07-23 13:41:33,341 INFO L84 Accepts]: Finished accepts. word is rejected. [2018-07-23 13:41:33,341 INFO L471 AbstractCegarLoop]: Abstraction has 38 states and 38 transitions. [2018-07-23 13:41:33,342 INFO L472 AbstractCegarLoop]: Interpolant automaton has 36 states. [2018-07-23 13:41:33,342 INFO L276 IsEmpty]: Start isEmpty. Operand 38 states and 38 transitions. [2018-07-23 13:41:33,342 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 38 [2018-07-23 13:41:33,342 INFO L349 BasicCegarLoop]: Found error trace [2018-07-23 13:41:33,342 INFO L357 BasicCegarLoop]: trace histogram [34, 1, 1, 1] [2018-07-23 13:41:33,342 INFO L414 AbstractCegarLoop]: === Iteration 35 === [ULTIMATE.startErr0AssertViolationASSERT]=== [2018-07-23 13:41:33,343 INFO L82 PathProgramCache]: Analyzing trace with hash -459718623, now seen corresponding path program 34 times [2018-07-23 13:41:33,343 INFO L69 tionRefinementEngine]: Using refinement strategy FixedRefinementStrategy [2018-07-23 13:41:33,351 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-07-23 13:41:33,516 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 13:41:33,517 INFO L309 seRefinementStrategy]: Constructing automaton from 0 perfect and 1 imperfect interpolant sequences. [2018-07-23 13:41:33,517 INFO L324 seRefinementStrategy]: Number of different interpolants: perfect sequences [] imperfect sequences [36] total 36 [2018-07-23 13:41:33,518 INFO L142 lantAutomatonBuilder]: Constructing canonical interpolant automaton, with selfloop in false state [2018-07-23 13:41:33,518 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 13:41:33,518 INFO L185 omatonBuilderFactory]: Interpolants [3733#true, 3734#false, 3735#(<= ULTIMATE.start_main_~x~4 10), 3736#(<= ULTIMATE.start_main_~x~4 12), 3737#(<= ULTIMATE.start_main_~x~4 14), 3738#(<= ULTIMATE.start_main_~x~4 16), 3739#(<= ULTIMATE.start_main_~x~4 18), 3740#(<= ULTIMATE.start_main_~x~4 20), 3741#(<= ULTIMATE.start_main_~x~4 22), 3742#(<= ULTIMATE.start_main_~x~4 24), 3743#(<= ULTIMATE.start_main_~x~4 26), 3744#(<= ULTIMATE.start_main_~x~4 28), 3745#(<= ULTIMATE.start_main_~x~4 30), 3746#(<= ULTIMATE.start_main_~x~4 32), 3747#(<= ULTIMATE.start_main_~x~4 34), 3748#(<= ULTIMATE.start_main_~x~4 36), 3749#(<= ULTIMATE.start_main_~x~4 38), 3750#(<= ULTIMATE.start_main_~x~4 40), 3751#(<= ULTIMATE.start_main_~x~4 42), 3752#(<= ULTIMATE.start_main_~x~4 44), 3753#(<= ULTIMATE.start_main_~x~4 46), 3754#(<= ULTIMATE.start_main_~x~4 48), 3755#(<= ULTIMATE.start_main_~x~4 50), 3756#(<= ULTIMATE.start_main_~x~4 52), 3757#(<= ULTIMATE.start_main_~x~4 54), 3758#(<= ULTIMATE.start_main_~x~4 56), 3759#(<= ULTIMATE.start_main_~x~4 58), 3760#(<= ULTIMATE.start_main_~x~4 60), 3761#(<= ULTIMATE.start_main_~x~4 62), 3762#(<= ULTIMATE.start_main_~x~4 64), 3763#(<= ULTIMATE.start_main_~x~4 66), 3764#(<= ULTIMATE.start_main_~x~4 68), 3765#(<= ULTIMATE.start_main_~x~4 70), 3766#(<= ULTIMATE.start_main_~x~4 72), 3767#(<= ULTIMATE.start_main_~x~4 74), 3768#(<= ULTIMATE.start_main_~x~4 76), 3769#(<= ULTIMATE.start_main_~x~4 78)] [2018-07-23 13:41:33,519 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 13:41:33,519 INFO L450 AbstractCegarLoop]: Interpolant automaton has 37 states [2018-07-23 13:41:33,519 INFO L132 InterpolantAutomaton]: Constructing interpolant automaton starting with 37 interpolants. [2018-07-23 13:41:33,520 INFO L133 InterpolantAutomaton]: CoverageRelationStatistics Valid=666, Invalid=666, Unknown=0, NotChecked=0, Total=1332 [2018-07-23 13:41:33,521 INFO L87 Difference]: Start difference. First operand 38 states and 38 transitions. Second operand 37 states. [2018-07-23 13:41:33,546 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2018-07-23 13:41:33,547 INFO L93 Difference]: Finished difference Result 41 states and 41 transitions. [2018-07-23 13:41:33,547 INFO L142 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 37 states. [2018-07-23 13:41:33,547 INFO L78 Accepts]: Start accepts. Automaton has 37 states. Word has length 37 [2018-07-23 13:41:33,547 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2018-07-23 13:41:33,548 INFO L225 Difference]: With dead ends: 41 [2018-07-23 13:41:33,548 INFO L226 Difference]: Without dead ends: 39 [2018-07-23 13:41:33,549 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 13:41:33,549 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 39 states. [2018-07-23 13:41:33,551 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 39 to 39. [2018-07-23 13:41:33,551 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 39 states. [2018-07-23 13:41:33,551 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 39 states to 39 states and 39 transitions. [2018-07-23 13:41:33,551 INFO L78 Accepts]: Start accepts. Automaton has 39 states and 39 transitions. Word has length 37 [2018-07-23 13:41:33,552 INFO L84 Accepts]: Finished accepts. word is rejected. [2018-07-23 13:41:33,552 INFO L471 AbstractCegarLoop]: Abstraction has 39 states and 39 transitions. [2018-07-23 13:41:33,552 INFO L472 AbstractCegarLoop]: Interpolant automaton has 37 states. [2018-07-23 13:41:33,552 INFO L276 IsEmpty]: Start isEmpty. Operand 39 states and 39 transitions. [2018-07-23 13:41:33,559 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 39 [2018-07-23 13:41:33,559 INFO L349 BasicCegarLoop]: Found error trace [2018-07-23 13:41:33,560 INFO L357 BasicCegarLoop]: trace histogram [35, 1, 1, 1] [2018-07-23 13:41:33,560 INFO L414 AbstractCegarLoop]: === Iteration 36 === [ULTIMATE.startErr0AssertViolationASSERT]=== [2018-07-23 13:41:33,560 INFO L82 PathProgramCache]: Analyzing trace with hash -1366377400, now seen corresponding path program 35 times [2018-07-23 13:41:33,560 INFO L69 tionRefinementEngine]: Using refinement strategy FixedRefinementStrategy [2018-07-23 13:41:33,570 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-07-23 13:41:33,739 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 13:41:33,740 INFO L309 seRefinementStrategy]: Constructing automaton from 0 perfect and 1 imperfect interpolant sequences. [2018-07-23 13:41:33,740 INFO L324 seRefinementStrategy]: Number of different interpolants: perfect sequences [] imperfect sequences [37] total 37 [2018-07-23 13:41:33,740 INFO L142 lantAutomatonBuilder]: Constructing canonical interpolant automaton, with selfloop in false state [2018-07-23 13:41:33,743 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2018-07-23 13:41:33,743 INFO L185 omatonBuilderFactory]: Interpolants [3930#true, 3931#false, 3932#(<= ULTIMATE.start_main_~x~4 10), 3933#(<= ULTIMATE.start_main_~x~4 12), 3934#(<= ULTIMATE.start_main_~x~4 14), 3935#(<= ULTIMATE.start_main_~x~4 16), 3936#(<= ULTIMATE.start_main_~x~4 18), 3937#(<= ULTIMATE.start_main_~x~4 20), 3938#(<= ULTIMATE.start_main_~x~4 22), 3939#(<= ULTIMATE.start_main_~x~4 24), 3940#(<= ULTIMATE.start_main_~x~4 26), 3941#(<= ULTIMATE.start_main_~x~4 28), 3942#(<= ULTIMATE.start_main_~x~4 30), 3943#(<= ULTIMATE.start_main_~x~4 32), 3944#(<= ULTIMATE.start_main_~x~4 34), 3945#(<= ULTIMATE.start_main_~x~4 36), 3946#(<= ULTIMATE.start_main_~x~4 38), 3947#(<= ULTIMATE.start_main_~x~4 40), 3948#(<= ULTIMATE.start_main_~x~4 42), 3949#(<= ULTIMATE.start_main_~x~4 44), 3950#(<= ULTIMATE.start_main_~x~4 46), 3951#(<= ULTIMATE.start_main_~x~4 48), 3952#(<= ULTIMATE.start_main_~x~4 50), 3953#(<= ULTIMATE.start_main_~x~4 52), 3954#(<= ULTIMATE.start_main_~x~4 54), 3955#(<= ULTIMATE.start_main_~x~4 56), 3956#(<= ULTIMATE.start_main_~x~4 58), 3957#(<= ULTIMATE.start_main_~x~4 60), 3958#(<= ULTIMATE.start_main_~x~4 62), 3959#(<= ULTIMATE.start_main_~x~4 64), 3960#(<= ULTIMATE.start_main_~x~4 66), 3961#(<= ULTIMATE.start_main_~x~4 68), 3962#(<= ULTIMATE.start_main_~x~4 70), 3963#(<= ULTIMATE.start_main_~x~4 72), 3964#(<= ULTIMATE.start_main_~x~4 74), 3965#(<= ULTIMATE.start_main_~x~4 76), 3966#(<= ULTIMATE.start_main_~x~4 78), 3967#(<= ULTIMATE.start_main_~x~4 80)] [2018-07-23 13:41:33,744 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 13:41:33,744 INFO L450 AbstractCegarLoop]: Interpolant automaton has 38 states [2018-07-23 13:41:33,744 INFO L132 InterpolantAutomaton]: Constructing interpolant automaton starting with 38 interpolants. [2018-07-23 13:41:33,745 INFO L133 InterpolantAutomaton]: CoverageRelationStatistics Valid=703, Invalid=703, Unknown=0, NotChecked=0, Total=1406 [2018-07-23 13:41:33,745 INFO L87 Difference]: Start difference. First operand 39 states and 39 transitions. Second operand 38 states. [2018-07-23 13:41:33,775 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2018-07-23 13:41:33,776 INFO L93 Difference]: Finished difference Result 42 states and 42 transitions. [2018-07-23 13:41:33,776 INFO L142 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 38 states. [2018-07-23 13:41:33,776 INFO L78 Accepts]: Start accepts. Automaton has 38 states. Word has length 38 [2018-07-23 13:41:33,776 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2018-07-23 13:41:33,777 INFO L225 Difference]: With dead ends: 42 [2018-07-23 13:41:33,777 INFO L226 Difference]: Without dead ends: 40 [2018-07-23 13:41:33,778 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 13:41:33,778 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 40 states. [2018-07-23 13:41:33,780 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 40 to 40. [2018-07-23 13:41:33,780 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 40 states. [2018-07-23 13:41:33,780 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 40 states to 40 states and 40 transitions. [2018-07-23 13:41:33,780 INFO L78 Accepts]: Start accepts. Automaton has 40 states and 40 transitions. Word has length 38 [2018-07-23 13:41:33,781 INFO L84 Accepts]: Finished accepts. word is rejected. [2018-07-23 13:41:33,781 INFO L471 AbstractCegarLoop]: Abstraction has 40 states and 40 transitions. [2018-07-23 13:41:33,781 INFO L472 AbstractCegarLoop]: Interpolant automaton has 38 states. [2018-07-23 13:41:33,781 INFO L276 IsEmpty]: Start isEmpty. Operand 40 states and 40 transitions. [2018-07-23 13:41:33,782 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 40 [2018-07-23 13:41:33,783 INFO L349 BasicCegarLoop]: Found error trace [2018-07-23 13:41:33,783 INFO L357 BasicCegarLoop]: trace histogram [36, 1, 1, 1] [2018-07-23 13:41:33,783 INFO L414 AbstractCegarLoop]: === Iteration 37 === [ULTIMATE.startErr0AssertViolationASSERT]=== [2018-07-23 13:41:33,783 INFO L82 PathProgramCache]: Analyzing trace with hash 591971585, now seen corresponding path program 36 times [2018-07-23 13:41:33,783 INFO L69 tionRefinementEngine]: Using refinement strategy FixedRefinementStrategy [2018-07-23 13:41:33,793 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-07-23 13:41:33,957 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 13:41:33,957 INFO L309 seRefinementStrategy]: Constructing automaton from 0 perfect and 1 imperfect interpolant sequences. [2018-07-23 13:41:33,958 INFO L324 seRefinementStrategy]: Number of different interpolants: perfect sequences [] imperfect sequences [38] total 38 [2018-07-23 13:41:33,958 INFO L142 lantAutomatonBuilder]: Constructing canonical interpolant automaton, with selfloop in false state [2018-07-23 13:41:33,958 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2018-07-23 13:41:33,958 INFO L185 omatonBuilderFactory]: Interpolants [4160#(<= ULTIMATE.start_main_~x~4 62), 4161#(<= ULTIMATE.start_main_~x~4 64), 4162#(<= ULTIMATE.start_main_~x~4 66), 4163#(<= ULTIMATE.start_main_~x~4 68), 4164#(<= ULTIMATE.start_main_~x~4 70), 4165#(<= ULTIMATE.start_main_~x~4 72), 4166#(<= ULTIMATE.start_main_~x~4 74), 4167#(<= ULTIMATE.start_main_~x~4 76), 4168#(<= ULTIMATE.start_main_~x~4 78), 4169#(<= ULTIMATE.start_main_~x~4 80), 4170#(<= ULTIMATE.start_main_~x~4 82), 4132#true, 4133#false, 4134#(<= ULTIMATE.start_main_~x~4 10), 4135#(<= ULTIMATE.start_main_~x~4 12), 4136#(<= ULTIMATE.start_main_~x~4 14), 4137#(<= ULTIMATE.start_main_~x~4 16), 4138#(<= ULTIMATE.start_main_~x~4 18), 4139#(<= ULTIMATE.start_main_~x~4 20), 4140#(<= ULTIMATE.start_main_~x~4 22), 4141#(<= ULTIMATE.start_main_~x~4 24), 4142#(<= ULTIMATE.start_main_~x~4 26), 4143#(<= ULTIMATE.start_main_~x~4 28), 4144#(<= ULTIMATE.start_main_~x~4 30), 4145#(<= ULTIMATE.start_main_~x~4 32), 4146#(<= ULTIMATE.start_main_~x~4 34), 4147#(<= ULTIMATE.start_main_~x~4 36), 4148#(<= ULTIMATE.start_main_~x~4 38), 4149#(<= ULTIMATE.start_main_~x~4 40), 4150#(<= ULTIMATE.start_main_~x~4 42), 4151#(<= ULTIMATE.start_main_~x~4 44), 4152#(<= ULTIMATE.start_main_~x~4 46), 4153#(<= ULTIMATE.start_main_~x~4 48), 4154#(<= ULTIMATE.start_main_~x~4 50), 4155#(<= ULTIMATE.start_main_~x~4 52), 4156#(<= ULTIMATE.start_main_~x~4 54), 4157#(<= ULTIMATE.start_main_~x~4 56), 4158#(<= ULTIMATE.start_main_~x~4 58), 4159#(<= ULTIMATE.start_main_~x~4 60)] [2018-07-23 13:41:33,959 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 13:41:33,959 INFO L450 AbstractCegarLoop]: Interpolant automaton has 39 states [2018-07-23 13:41:33,959 INFO L132 InterpolantAutomaton]: Constructing interpolant automaton starting with 39 interpolants. [2018-07-23 13:41:33,960 INFO L133 InterpolantAutomaton]: CoverageRelationStatistics Valid=741, Invalid=741, Unknown=0, NotChecked=0, Total=1482 [2018-07-23 13:41:33,961 INFO L87 Difference]: Start difference. First operand 40 states and 40 transitions. Second operand 39 states. [2018-07-23 13:41:33,982 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2018-07-23 13:41:33,982 INFO L93 Difference]: Finished difference Result 43 states and 43 transitions. [2018-07-23 13:41:33,982 INFO L142 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 39 states. [2018-07-23 13:41:33,982 INFO L78 Accepts]: Start accepts. Automaton has 39 states. Word has length 39 [2018-07-23 13:41:33,983 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2018-07-23 13:41:33,983 INFO L225 Difference]: With dead ends: 43 [2018-07-23 13:41:33,983 INFO L226 Difference]: Without dead ends: 41 [2018-07-23 13:41:33,985 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 13:41:33,985 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 41 states. [2018-07-23 13:41:33,987 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 41 to 41. [2018-07-23 13:41:33,987 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 41 states. [2018-07-23 13:41:33,988 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 41 states to 41 states and 41 transitions. [2018-07-23 13:41:33,988 INFO L78 Accepts]: Start accepts. Automaton has 41 states and 41 transitions. Word has length 39 [2018-07-23 13:41:33,988 INFO L84 Accepts]: Finished accepts. word is rejected. [2018-07-23 13:41:33,988 INFO L471 AbstractCegarLoop]: Abstraction has 41 states and 41 transitions. [2018-07-23 13:41:33,988 INFO L472 AbstractCegarLoop]: Interpolant automaton has 39 states. [2018-07-23 13:41:33,989 INFO L276 IsEmpty]: Start isEmpty. Operand 41 states and 41 transitions. [2018-07-23 13:41:33,989 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 41 [2018-07-23 13:41:33,989 INFO L349 BasicCegarLoop]: Found error trace [2018-07-23 13:41:33,989 INFO L357 BasicCegarLoop]: trace histogram [37, 1, 1, 1] [2018-07-23 13:41:33,989 INFO L414 AbstractCegarLoop]: === Iteration 38 === [ULTIMATE.startErr0AssertViolationASSERT]=== [2018-07-23 13:41:33,990 INFO L82 PathProgramCache]: Analyzing trace with hash 1171247976, now seen corresponding path program 37 times [2018-07-23 13:41:33,990 INFO L69 tionRefinementEngine]: Using refinement strategy FixedRefinementStrategy [2018-07-23 13:41:34,001 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-07-23 13:41:34,169 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 13:41:34,169 INFO L309 seRefinementStrategy]: Constructing automaton from 0 perfect and 1 imperfect interpolant sequences. [2018-07-23 13:41:34,169 INFO L324 seRefinementStrategy]: Number of different interpolants: perfect sequences [] imperfect sequences [39] total 39 [2018-07-23 13:41:34,169 INFO L142 lantAutomatonBuilder]: Constructing canonical interpolant automaton, with selfloop in false state [2018-07-23 13:41:34,170 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 13:41:34,170 INFO L185 omatonBuilderFactory]: Interpolants [4352#(<= ULTIMATE.start_main_~x~4 32), 4353#(<= ULTIMATE.start_main_~x~4 34), 4354#(<= ULTIMATE.start_main_~x~4 36), 4355#(<= ULTIMATE.start_main_~x~4 38), 4356#(<= ULTIMATE.start_main_~x~4 40), 4357#(<= ULTIMATE.start_main_~x~4 42), 4358#(<= ULTIMATE.start_main_~x~4 44), 4359#(<= ULTIMATE.start_main_~x~4 46), 4360#(<= ULTIMATE.start_main_~x~4 48), 4361#(<= ULTIMATE.start_main_~x~4 50), 4362#(<= ULTIMATE.start_main_~x~4 52), 4363#(<= ULTIMATE.start_main_~x~4 54), 4364#(<= ULTIMATE.start_main_~x~4 56), 4365#(<= ULTIMATE.start_main_~x~4 58), 4366#(<= ULTIMATE.start_main_~x~4 60), 4367#(<= ULTIMATE.start_main_~x~4 62), 4368#(<= ULTIMATE.start_main_~x~4 64), 4369#(<= ULTIMATE.start_main_~x~4 66), 4370#(<= ULTIMATE.start_main_~x~4 68), 4371#(<= ULTIMATE.start_main_~x~4 70), 4372#(<= ULTIMATE.start_main_~x~4 72), 4373#(<= ULTIMATE.start_main_~x~4 74), 4374#(<= ULTIMATE.start_main_~x~4 76), 4375#(<= ULTIMATE.start_main_~x~4 78), 4376#(<= ULTIMATE.start_main_~x~4 80), 4377#(<= ULTIMATE.start_main_~x~4 82), 4378#(<= ULTIMATE.start_main_~x~4 84), 4339#true, 4340#false, 4341#(<= ULTIMATE.start_main_~x~4 10), 4342#(<= ULTIMATE.start_main_~x~4 12), 4343#(<= ULTIMATE.start_main_~x~4 14), 4344#(<= ULTIMATE.start_main_~x~4 16), 4345#(<= ULTIMATE.start_main_~x~4 18), 4346#(<= ULTIMATE.start_main_~x~4 20), 4347#(<= ULTIMATE.start_main_~x~4 22), 4348#(<= ULTIMATE.start_main_~x~4 24), 4349#(<= ULTIMATE.start_main_~x~4 26), 4350#(<= ULTIMATE.start_main_~x~4 28), 4351#(<= ULTIMATE.start_main_~x~4 30)] [2018-07-23 13:41:34,170 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 13:41:34,170 INFO L450 AbstractCegarLoop]: Interpolant automaton has 40 states [2018-07-23 13:41:34,171 INFO L132 InterpolantAutomaton]: Constructing interpolant automaton starting with 40 interpolants. [2018-07-23 13:41:34,171 INFO L133 InterpolantAutomaton]: CoverageRelationStatistics Valid=780, Invalid=780, Unknown=0, NotChecked=0, Total=1560 [2018-07-23 13:41:34,172 INFO L87 Difference]: Start difference. First operand 41 states and 41 transitions. Second operand 40 states. [2018-07-23 13:41:34,195 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2018-07-23 13:41:34,196 INFO L93 Difference]: Finished difference Result 44 states and 44 transitions. [2018-07-23 13:41:34,196 INFO L142 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 40 states. [2018-07-23 13:41:34,196 INFO L78 Accepts]: Start accepts. Automaton has 40 states. Word has length 40 [2018-07-23 13:41:34,196 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2018-07-23 13:41:34,197 INFO L225 Difference]: With dead ends: 44 [2018-07-23 13:41:34,197 INFO L226 Difference]: Without dead ends: 42 [2018-07-23 13:41:34,198 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 13:41:34,198 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 42 states. [2018-07-23 13:41:34,199 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 42 to 42. [2018-07-23 13:41:34,200 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 42 states. [2018-07-23 13:41:34,200 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 42 states to 42 states and 42 transitions. [2018-07-23 13:41:34,200 INFO L78 Accepts]: Start accepts. Automaton has 42 states and 42 transitions. Word has length 40 [2018-07-23 13:41:34,200 INFO L84 Accepts]: Finished accepts. word is rejected. [2018-07-23 13:41:34,203 INFO L471 AbstractCegarLoop]: Abstraction has 42 states and 42 transitions. [2018-07-23 13:41:34,203 INFO L472 AbstractCegarLoop]: Interpolant automaton has 40 states. [2018-07-23 13:41:34,203 INFO L276 IsEmpty]: Start isEmpty. Operand 42 states and 42 transitions. [2018-07-23 13:41:34,203 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 42 [2018-07-23 13:41:34,203 INFO L349 BasicCegarLoop]: Found error trace [2018-07-23 13:41:34,204 INFO L357 BasicCegarLoop]: trace histogram [38, 1, 1, 1] [2018-07-23 13:41:34,204 INFO L414 AbstractCegarLoop]: === Iteration 39 === [ULTIMATE.startErr0AssertViolationASSERT]=== [2018-07-23 13:41:34,204 INFO L82 PathProgramCache]: Analyzing trace with hash 1948946913, now seen corresponding path program 38 times [2018-07-23 13:41:34,204 INFO L69 tionRefinementEngine]: Using refinement strategy FixedRefinementStrategy [2018-07-23 13:41:34,212 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-07-23 13:41:34,367 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 13:41:34,367 INFO L309 seRefinementStrategy]: Constructing automaton from 0 perfect and 1 imperfect interpolant sequences. [2018-07-23 13:41:34,367 INFO L324 seRefinementStrategy]: Number of different interpolants: perfect sequences [] imperfect sequences [40] total 40 [2018-07-23 13:41:34,368 INFO L142 lantAutomatonBuilder]: Constructing canonical interpolant automaton, with selfloop in false state [2018-07-23 13:41:34,368 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2018-07-23 13:41:34,368 INFO L185 omatonBuilderFactory]: Interpolants [4551#true, 4552#false, 4553#(<= ULTIMATE.start_main_~x~4 10), 4554#(<= ULTIMATE.start_main_~x~4 12), 4555#(<= ULTIMATE.start_main_~x~4 14), 4556#(<= ULTIMATE.start_main_~x~4 16), 4557#(<= ULTIMATE.start_main_~x~4 18), 4558#(<= ULTIMATE.start_main_~x~4 20), 4559#(<= ULTIMATE.start_main_~x~4 22), 4560#(<= ULTIMATE.start_main_~x~4 24), 4561#(<= ULTIMATE.start_main_~x~4 26), 4562#(<= ULTIMATE.start_main_~x~4 28), 4563#(<= ULTIMATE.start_main_~x~4 30), 4564#(<= ULTIMATE.start_main_~x~4 32), 4565#(<= ULTIMATE.start_main_~x~4 34), 4566#(<= ULTIMATE.start_main_~x~4 36), 4567#(<= ULTIMATE.start_main_~x~4 38), 4568#(<= ULTIMATE.start_main_~x~4 40), 4569#(<= ULTIMATE.start_main_~x~4 42), 4570#(<= ULTIMATE.start_main_~x~4 44), 4571#(<= ULTIMATE.start_main_~x~4 46), 4572#(<= ULTIMATE.start_main_~x~4 48), 4573#(<= ULTIMATE.start_main_~x~4 50), 4574#(<= ULTIMATE.start_main_~x~4 52), 4575#(<= ULTIMATE.start_main_~x~4 54), 4576#(<= ULTIMATE.start_main_~x~4 56), 4577#(<= ULTIMATE.start_main_~x~4 58), 4578#(<= ULTIMATE.start_main_~x~4 60), 4579#(<= ULTIMATE.start_main_~x~4 62), 4580#(<= ULTIMATE.start_main_~x~4 64), 4581#(<= ULTIMATE.start_main_~x~4 66), 4582#(<= ULTIMATE.start_main_~x~4 68), 4583#(<= ULTIMATE.start_main_~x~4 70), 4584#(<= ULTIMATE.start_main_~x~4 72), 4585#(<= ULTIMATE.start_main_~x~4 74), 4586#(<= ULTIMATE.start_main_~x~4 76), 4587#(<= ULTIMATE.start_main_~x~4 78), 4588#(<= ULTIMATE.start_main_~x~4 80), 4589#(<= ULTIMATE.start_main_~x~4 82), 4590#(<= ULTIMATE.start_main_~x~4 84), 4591#(<= ULTIMATE.start_main_~x~4 86)] [2018-07-23 13:41:34,368 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 13:41:34,369 INFO L450 AbstractCegarLoop]: Interpolant automaton has 41 states [2018-07-23 13:41:34,369 INFO L132 InterpolantAutomaton]: Constructing interpolant automaton starting with 41 interpolants. [2018-07-23 13:41:34,370 INFO L133 InterpolantAutomaton]: CoverageRelationStatistics Valid=820, Invalid=820, Unknown=0, NotChecked=0, Total=1640 [2018-07-23 13:41:34,370 INFO L87 Difference]: Start difference. First operand 42 states and 42 transitions. Second operand 41 states. [2018-07-23 13:41:34,397 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2018-07-23 13:41:34,398 INFO L93 Difference]: Finished difference Result 45 states and 45 transitions. [2018-07-23 13:41:34,398 INFO L142 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 41 states. [2018-07-23 13:41:34,398 INFO L78 Accepts]: Start accepts. Automaton has 41 states. Word has length 41 [2018-07-23 13:41:34,398 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2018-07-23 13:41:34,399 INFO L225 Difference]: With dead ends: 45 [2018-07-23 13:41:34,399 INFO L226 Difference]: Without dead ends: 43 [2018-07-23 13:41:34,400 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 13:41:34,400 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 43 states. [2018-07-23 13:41:34,401 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 43 to 43. [2018-07-23 13:41:34,401 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 43 states. [2018-07-23 13:41:34,402 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 43 states to 43 states and 43 transitions. [2018-07-23 13:41:34,402 INFO L78 Accepts]: Start accepts. Automaton has 43 states and 43 transitions. Word has length 41 [2018-07-23 13:41:34,402 INFO L84 Accepts]: Finished accepts. word is rejected. [2018-07-23 13:41:34,402 INFO L471 AbstractCegarLoop]: Abstraction has 43 states and 43 transitions. [2018-07-23 13:41:34,402 INFO L472 AbstractCegarLoop]: Interpolant automaton has 41 states. [2018-07-23 13:41:34,403 INFO L276 IsEmpty]: Start isEmpty. Operand 43 states and 43 transitions. [2018-07-23 13:41:34,403 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 43 [2018-07-23 13:41:34,403 INFO L349 BasicCegarLoop]: Found error trace [2018-07-23 13:41:34,403 INFO L357 BasicCegarLoop]: trace histogram [39, 1, 1, 1] [2018-07-23 13:41:34,403 INFO L414 AbstractCegarLoop]: === Iteration 40 === [ULTIMATE.startErr0AssertViolationASSERT]=== [2018-07-23 13:41:34,403 INFO L82 PathProgramCache]: Analyzing trace with hash 287810184, now seen corresponding path program 39 times [2018-07-23 13:41:34,404 INFO L69 tionRefinementEngine]: Using refinement strategy FixedRefinementStrategy [2018-07-23 13:41:34,412 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-07-23 13:41:34,574 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 13:41:34,575 INFO L309 seRefinementStrategy]: Constructing automaton from 0 perfect and 1 imperfect interpolant sequences. [2018-07-23 13:41:34,575 INFO L324 seRefinementStrategy]: Number of different interpolants: perfect sequences [] imperfect sequences [41] total 41 [2018-07-23 13:41:34,575 INFO L142 lantAutomatonBuilder]: Constructing canonical interpolant automaton, with selfloop in false state [2018-07-23 13:41:34,575 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2018-07-23 13:41:34,576 INFO L185 omatonBuilderFactory]: Interpolants [4800#(<= ULTIMATE.start_main_~x~4 70), 4801#(<= ULTIMATE.start_main_~x~4 72), 4802#(<= ULTIMATE.start_main_~x~4 74), 4803#(<= ULTIMATE.start_main_~x~4 76), 4804#(<= ULTIMATE.start_main_~x~4 78), 4805#(<= ULTIMATE.start_main_~x~4 80), 4806#(<= ULTIMATE.start_main_~x~4 82), 4807#(<= ULTIMATE.start_main_~x~4 84), 4808#(<= ULTIMATE.start_main_~x~4 86), 4809#(<= ULTIMATE.start_main_~x~4 88), 4768#true, 4769#false, 4770#(<= ULTIMATE.start_main_~x~4 10), 4771#(<= ULTIMATE.start_main_~x~4 12), 4772#(<= ULTIMATE.start_main_~x~4 14), 4773#(<= ULTIMATE.start_main_~x~4 16), 4774#(<= ULTIMATE.start_main_~x~4 18), 4775#(<= ULTIMATE.start_main_~x~4 20), 4776#(<= ULTIMATE.start_main_~x~4 22), 4777#(<= ULTIMATE.start_main_~x~4 24), 4778#(<= ULTIMATE.start_main_~x~4 26), 4779#(<= ULTIMATE.start_main_~x~4 28), 4780#(<= ULTIMATE.start_main_~x~4 30), 4781#(<= ULTIMATE.start_main_~x~4 32), 4782#(<= ULTIMATE.start_main_~x~4 34), 4783#(<= ULTIMATE.start_main_~x~4 36), 4784#(<= ULTIMATE.start_main_~x~4 38), 4785#(<= ULTIMATE.start_main_~x~4 40), 4786#(<= ULTIMATE.start_main_~x~4 42), 4787#(<= ULTIMATE.start_main_~x~4 44), 4788#(<= ULTIMATE.start_main_~x~4 46), 4789#(<= ULTIMATE.start_main_~x~4 48), 4790#(<= ULTIMATE.start_main_~x~4 50), 4791#(<= ULTIMATE.start_main_~x~4 52), 4792#(<= ULTIMATE.start_main_~x~4 54), 4793#(<= ULTIMATE.start_main_~x~4 56), 4794#(<= ULTIMATE.start_main_~x~4 58), 4795#(<= ULTIMATE.start_main_~x~4 60), 4796#(<= ULTIMATE.start_main_~x~4 62), 4797#(<= ULTIMATE.start_main_~x~4 64), 4798#(<= ULTIMATE.start_main_~x~4 66), 4799#(<= ULTIMATE.start_main_~x~4 68)] [2018-07-23 13:41:34,576 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 13:41:34,576 INFO L450 AbstractCegarLoop]: Interpolant automaton has 42 states [2018-07-23 13:41:34,577 INFO L132 InterpolantAutomaton]: Constructing interpolant automaton starting with 42 interpolants. [2018-07-23 13:41:34,578 INFO L133 InterpolantAutomaton]: CoverageRelationStatistics Valid=861, Invalid=861, Unknown=0, NotChecked=0, Total=1722 [2018-07-23 13:41:34,578 INFO L87 Difference]: Start difference. First operand 43 states and 43 transitions. Second operand 42 states. [2018-07-23 13:41:34,597 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2018-07-23 13:41:34,598 INFO L93 Difference]: Finished difference Result 46 states and 46 transitions. [2018-07-23 13:41:34,598 INFO L142 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 42 states. [2018-07-23 13:41:34,598 INFO L78 Accepts]: Start accepts. Automaton has 42 states. Word has length 42 [2018-07-23 13:41:34,598 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2018-07-23 13:41:34,599 INFO L225 Difference]: With dead ends: 46 [2018-07-23 13:41:34,599 INFO L226 Difference]: Without dead ends: 44 [2018-07-23 13:41:34,600 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 13:41:34,600 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 44 states. [2018-07-23 13:41:34,601 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 44 to 44. [2018-07-23 13:41:34,602 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 44 states. [2018-07-23 13:41:34,602 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 44 states to 44 states and 44 transitions. [2018-07-23 13:41:34,602 INFO L78 Accepts]: Start accepts. Automaton has 44 states and 44 transitions. Word has length 42 [2018-07-23 13:41:34,602 INFO L84 Accepts]: Finished accepts. word is rejected. [2018-07-23 13:41:34,602 INFO L471 AbstractCegarLoop]: Abstraction has 44 states and 44 transitions. [2018-07-23 13:41:34,602 INFO L472 AbstractCegarLoop]: Interpolant automaton has 42 states. [2018-07-23 13:41:34,603 INFO L276 IsEmpty]: Start isEmpty. Operand 44 states and 44 transitions. [2018-07-23 13:41:34,603 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 44 [2018-07-23 13:41:34,603 INFO L349 BasicCegarLoop]: Found error trace [2018-07-23 13:41:34,603 INFO L357 BasicCegarLoop]: trace histogram [40, 1, 1, 1] [2018-07-23 13:41:34,603 INFO L414 AbstractCegarLoop]: === Iteration 41 === [ULTIMATE.startErr0AssertViolationASSERT]=== [2018-07-23 13:41:34,604 INFO L82 PathProgramCache]: Analyzing trace with hash 332179137, now seen corresponding path program 40 times [2018-07-23 13:41:34,604 INFO L69 tionRefinementEngine]: Using refinement strategy FixedRefinementStrategy [2018-07-23 13:41:34,613 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-07-23 13:41:34,768 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 13:41:34,769 INFO L309 seRefinementStrategy]: Constructing automaton from 0 perfect and 1 imperfect interpolant sequences. [2018-07-23 13:41:34,769 INFO L324 seRefinementStrategy]: Number of different interpolants: perfect sequences [] imperfect sequences [42] total 42 [2018-07-23 13:41:34,769 INFO L142 lantAutomatonBuilder]: Constructing canonical interpolant automaton, with selfloop in false state [2018-07-23 13:41:34,769 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2018-07-23 13:41:34,770 INFO L185 omatonBuilderFactory]: Interpolants [4992#(<= ULTIMATE.start_main_~x~4 10), 4993#(<= ULTIMATE.start_main_~x~4 12), 4994#(<= ULTIMATE.start_main_~x~4 14), 4995#(<= ULTIMATE.start_main_~x~4 16), 4996#(<= ULTIMATE.start_main_~x~4 18), 4997#(<= ULTIMATE.start_main_~x~4 20), 4998#(<= ULTIMATE.start_main_~x~4 22), 4999#(<= ULTIMATE.start_main_~x~4 24), 5000#(<= ULTIMATE.start_main_~x~4 26), 5001#(<= ULTIMATE.start_main_~x~4 28), 5002#(<= ULTIMATE.start_main_~x~4 30), 5003#(<= ULTIMATE.start_main_~x~4 32), 5004#(<= ULTIMATE.start_main_~x~4 34), 5005#(<= ULTIMATE.start_main_~x~4 36), 5006#(<= ULTIMATE.start_main_~x~4 38), 5007#(<= ULTIMATE.start_main_~x~4 40), 5008#(<= ULTIMATE.start_main_~x~4 42), 5009#(<= ULTIMATE.start_main_~x~4 44), 5010#(<= ULTIMATE.start_main_~x~4 46), 5011#(<= ULTIMATE.start_main_~x~4 48), 5012#(<= ULTIMATE.start_main_~x~4 50), 5013#(<= ULTIMATE.start_main_~x~4 52), 5014#(<= ULTIMATE.start_main_~x~4 54), 5015#(<= ULTIMATE.start_main_~x~4 56), 5016#(<= ULTIMATE.start_main_~x~4 58), 5017#(<= ULTIMATE.start_main_~x~4 60), 5018#(<= ULTIMATE.start_main_~x~4 62), 5019#(<= ULTIMATE.start_main_~x~4 64), 5020#(<= ULTIMATE.start_main_~x~4 66), 5021#(<= ULTIMATE.start_main_~x~4 68), 5022#(<= ULTIMATE.start_main_~x~4 70), 5023#(<= ULTIMATE.start_main_~x~4 72), 5024#(<= ULTIMATE.start_main_~x~4 74), 5025#(<= ULTIMATE.start_main_~x~4 76), 5026#(<= ULTIMATE.start_main_~x~4 78), 5027#(<= ULTIMATE.start_main_~x~4 80), 5028#(<= ULTIMATE.start_main_~x~4 82), 5029#(<= ULTIMATE.start_main_~x~4 84), 5030#(<= ULTIMATE.start_main_~x~4 86), 5031#(<= ULTIMATE.start_main_~x~4 88), 5032#(<= ULTIMATE.start_main_~x~4 90), 4990#true, 4991#false] [2018-07-23 13:41:34,770 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 13:41:34,770 INFO L450 AbstractCegarLoop]: Interpolant automaton has 43 states [2018-07-23 13:41:34,771 INFO L132 InterpolantAutomaton]: Constructing interpolant automaton starting with 43 interpolants. [2018-07-23 13:41:34,771 INFO L133 InterpolantAutomaton]: CoverageRelationStatistics Valid=903, Invalid=903, Unknown=0, NotChecked=0, Total=1806 [2018-07-23 13:41:34,772 INFO L87 Difference]: Start difference. First operand 44 states and 44 transitions. Second operand 43 states. [2018-07-23 13:41:34,801 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2018-07-23 13:41:34,802 INFO L93 Difference]: Finished difference Result 47 states and 47 transitions. [2018-07-23 13:41:34,802 INFO L142 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 43 states. [2018-07-23 13:41:34,802 INFO L78 Accepts]: Start accepts. Automaton has 43 states. Word has length 43 [2018-07-23 13:41:34,802 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2018-07-23 13:41:34,803 INFO L225 Difference]: With dead ends: 47 [2018-07-23 13:41:34,803 INFO L226 Difference]: Without dead ends: 45 [2018-07-23 13:41:34,804 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 13:41:34,804 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 45 states. [2018-07-23 13:41:34,806 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 45 to 45. [2018-07-23 13:41:34,806 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 45 states. [2018-07-23 13:41:34,806 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 45 states to 45 states and 45 transitions. [2018-07-23 13:41:34,807 INFO L78 Accepts]: Start accepts. Automaton has 45 states and 45 transitions. Word has length 43 [2018-07-23 13:41:34,807 INFO L84 Accepts]: Finished accepts. word is rejected. [2018-07-23 13:41:34,807 INFO L471 AbstractCegarLoop]: Abstraction has 45 states and 45 transitions. [2018-07-23 13:41:34,807 INFO L472 AbstractCegarLoop]: Interpolant automaton has 43 states. [2018-07-23 13:41:34,807 INFO L276 IsEmpty]: Start isEmpty. Operand 45 states and 45 transitions. [2018-07-23 13:41:34,807 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 45 [2018-07-23 13:41:34,808 INFO L349 BasicCegarLoop]: Found error trace [2018-07-23 13:41:34,808 INFO L357 BasicCegarLoop]: trace histogram [41, 1, 1, 1] [2018-07-23 13:41:34,808 INFO L414 AbstractCegarLoop]: === Iteration 42 === [ULTIMATE.startErr0AssertViolationASSERT]=== [2018-07-23 13:41:34,808 INFO L82 PathProgramCache]: Analyzing trace with hash 1707616680, now seen corresponding path program 41 times [2018-07-23 13:41:34,808 INFO L69 tionRefinementEngine]: Using refinement strategy FixedRefinementStrategy [2018-07-23 13:41:34,818 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-07-23 13:41:34,989 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 13:41:34,989 INFO L309 seRefinementStrategy]: Constructing automaton from 0 perfect and 1 imperfect interpolant sequences. [2018-07-23 13:41:34,989 INFO L324 seRefinementStrategy]: Number of different interpolants: perfect sequences [] imperfect sequences [43] total 43 [2018-07-23 13:41:34,990 INFO L142 lantAutomatonBuilder]: Constructing canonical interpolant automaton, with selfloop in false state [2018-07-23 13:41:34,990 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2018-07-23 13:41:34,990 INFO L185 omatonBuilderFactory]: Interpolants [5248#(<= ULTIMATE.start_main_~x~4 68), 5249#(<= ULTIMATE.start_main_~x~4 70), 5250#(<= ULTIMATE.start_main_~x~4 72), 5251#(<= ULTIMATE.start_main_~x~4 74), 5252#(<= ULTIMATE.start_main_~x~4 76), 5253#(<= ULTIMATE.start_main_~x~4 78), 5254#(<= ULTIMATE.start_main_~x~4 80), 5255#(<= ULTIMATE.start_main_~x~4 82), 5256#(<= ULTIMATE.start_main_~x~4 84), 5257#(<= ULTIMATE.start_main_~x~4 86), 5258#(<= ULTIMATE.start_main_~x~4 88), 5259#(<= ULTIMATE.start_main_~x~4 90), 5260#(<= ULTIMATE.start_main_~x~4 92), 5217#true, 5218#false, 5219#(<= ULTIMATE.start_main_~x~4 10), 5220#(<= ULTIMATE.start_main_~x~4 12), 5221#(<= ULTIMATE.start_main_~x~4 14), 5222#(<= ULTIMATE.start_main_~x~4 16), 5223#(<= ULTIMATE.start_main_~x~4 18), 5224#(<= ULTIMATE.start_main_~x~4 20), 5225#(<= ULTIMATE.start_main_~x~4 22), 5226#(<= ULTIMATE.start_main_~x~4 24), 5227#(<= ULTIMATE.start_main_~x~4 26), 5228#(<= ULTIMATE.start_main_~x~4 28), 5229#(<= ULTIMATE.start_main_~x~4 30), 5230#(<= ULTIMATE.start_main_~x~4 32), 5231#(<= ULTIMATE.start_main_~x~4 34), 5232#(<= ULTIMATE.start_main_~x~4 36), 5233#(<= ULTIMATE.start_main_~x~4 38), 5234#(<= ULTIMATE.start_main_~x~4 40), 5235#(<= ULTIMATE.start_main_~x~4 42), 5236#(<= ULTIMATE.start_main_~x~4 44), 5237#(<= ULTIMATE.start_main_~x~4 46), 5238#(<= ULTIMATE.start_main_~x~4 48), 5239#(<= ULTIMATE.start_main_~x~4 50), 5240#(<= ULTIMATE.start_main_~x~4 52), 5241#(<= ULTIMATE.start_main_~x~4 54), 5242#(<= ULTIMATE.start_main_~x~4 56), 5243#(<= ULTIMATE.start_main_~x~4 58), 5244#(<= ULTIMATE.start_main_~x~4 60), 5245#(<= ULTIMATE.start_main_~x~4 62), 5246#(<= ULTIMATE.start_main_~x~4 64), 5247#(<= ULTIMATE.start_main_~x~4 66)] [2018-07-23 13:41:34,990 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 13:41:34,991 INFO L450 AbstractCegarLoop]: Interpolant automaton has 44 states [2018-07-23 13:41:34,991 INFO L132 InterpolantAutomaton]: Constructing interpolant automaton starting with 44 interpolants. [2018-07-23 13:41:34,992 INFO L133 InterpolantAutomaton]: CoverageRelationStatistics Valid=946, Invalid=946, Unknown=0, NotChecked=0, Total=1892 [2018-07-23 13:41:34,992 INFO L87 Difference]: Start difference. First operand 45 states and 45 transitions. Second operand 44 states. [2018-07-23 13:41:35,014 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2018-07-23 13:41:35,014 INFO L93 Difference]: Finished difference Result 48 states and 48 transitions. [2018-07-23 13:41:35,015 INFO L142 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 44 states. [2018-07-23 13:41:35,015 INFO L78 Accepts]: Start accepts. Automaton has 44 states. Word has length 44 [2018-07-23 13:41:35,015 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2018-07-23 13:41:35,015 INFO L225 Difference]: With dead ends: 48 [2018-07-23 13:41:35,015 INFO L226 Difference]: Without dead ends: 46 [2018-07-23 13:41:35,017 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 13:41:35,017 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 46 states. [2018-07-23 13:41:35,019 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 46 to 46. [2018-07-23 13:41:35,019 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 46 states. [2018-07-23 13:41:35,019 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 46 states to 46 states and 46 transitions. [2018-07-23 13:41:35,020 INFO L78 Accepts]: Start accepts. Automaton has 46 states and 46 transitions. Word has length 44 [2018-07-23 13:41:35,020 INFO L84 Accepts]: Finished accepts. word is rejected. [2018-07-23 13:41:35,020 INFO L471 AbstractCegarLoop]: Abstraction has 46 states and 46 transitions. [2018-07-23 13:41:35,020 INFO L472 AbstractCegarLoop]: Interpolant automaton has 44 states. [2018-07-23 13:41:35,020 INFO L276 IsEmpty]: Start isEmpty. Operand 46 states and 46 transitions. [2018-07-23 13:41:35,021 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 46 [2018-07-23 13:41:35,021 INFO L349 BasicCegarLoop]: Found error trace [2018-07-23 13:41:35,021 INFO L357 BasicCegarLoop]: trace histogram [42, 1, 1, 1] [2018-07-23 13:41:35,021 INFO L414 AbstractCegarLoop]: === Iteration 43 === [ULTIMATE.startErr0AssertViolationASSERT]=== [2018-07-23 13:41:35,021 INFO L82 PathProgramCache]: Analyzing trace with hash 1396507553, now seen corresponding path program 42 times [2018-07-23 13:41:35,022 INFO L69 tionRefinementEngine]: Using refinement strategy FixedRefinementStrategy [2018-07-23 13:41:35,031 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-07-23 13:41:35,215 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 13:41:35,216 INFO L309 seRefinementStrategy]: Constructing automaton from 0 perfect and 1 imperfect interpolant sequences. [2018-07-23 13:41:35,216 INFO L324 seRefinementStrategy]: Number of different interpolants: perfect sequences [] imperfect sequences [44] total 44 [2018-07-23 13:41:35,216 INFO L142 lantAutomatonBuilder]: Constructing canonical interpolant automaton, with selfloop in false state [2018-07-23 13:41:35,216 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2018-07-23 13:41:35,217 INFO L185 omatonBuilderFactory]: Interpolants [5449#true, 5450#false, 5451#(<= ULTIMATE.start_main_~x~4 10), 5452#(<= ULTIMATE.start_main_~x~4 12), 5453#(<= ULTIMATE.start_main_~x~4 14), 5454#(<= ULTIMATE.start_main_~x~4 16), 5455#(<= ULTIMATE.start_main_~x~4 18), 5456#(<= ULTIMATE.start_main_~x~4 20), 5457#(<= ULTIMATE.start_main_~x~4 22), 5458#(<= ULTIMATE.start_main_~x~4 24), 5459#(<= ULTIMATE.start_main_~x~4 26), 5460#(<= ULTIMATE.start_main_~x~4 28), 5461#(<= ULTIMATE.start_main_~x~4 30), 5462#(<= ULTIMATE.start_main_~x~4 32), 5463#(<= ULTIMATE.start_main_~x~4 34), 5464#(<= ULTIMATE.start_main_~x~4 36), 5465#(<= ULTIMATE.start_main_~x~4 38), 5466#(<= ULTIMATE.start_main_~x~4 40), 5467#(<= ULTIMATE.start_main_~x~4 42), 5468#(<= ULTIMATE.start_main_~x~4 44), 5469#(<= ULTIMATE.start_main_~x~4 46), 5470#(<= ULTIMATE.start_main_~x~4 48), 5471#(<= ULTIMATE.start_main_~x~4 50), 5472#(<= ULTIMATE.start_main_~x~4 52), 5473#(<= ULTIMATE.start_main_~x~4 54), 5474#(<= ULTIMATE.start_main_~x~4 56), 5475#(<= ULTIMATE.start_main_~x~4 58), 5476#(<= ULTIMATE.start_main_~x~4 60), 5477#(<= ULTIMATE.start_main_~x~4 62), 5478#(<= ULTIMATE.start_main_~x~4 64), 5479#(<= ULTIMATE.start_main_~x~4 66), 5480#(<= ULTIMATE.start_main_~x~4 68), 5481#(<= ULTIMATE.start_main_~x~4 70), 5482#(<= ULTIMATE.start_main_~x~4 72), 5483#(<= ULTIMATE.start_main_~x~4 74), 5484#(<= ULTIMATE.start_main_~x~4 76), 5485#(<= ULTIMATE.start_main_~x~4 78), 5486#(<= ULTIMATE.start_main_~x~4 80), 5487#(<= ULTIMATE.start_main_~x~4 82), 5488#(<= ULTIMATE.start_main_~x~4 84), 5489#(<= ULTIMATE.start_main_~x~4 86), 5490#(<= ULTIMATE.start_main_~x~4 88), 5491#(<= ULTIMATE.start_main_~x~4 90), 5492#(<= ULTIMATE.start_main_~x~4 92), 5493#(<= ULTIMATE.start_main_~x~4 94)] [2018-07-23 13:41:35,217 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 13:41:35,217 INFO L450 AbstractCegarLoop]: Interpolant automaton has 45 states [2018-07-23 13:41:35,218 INFO L132 InterpolantAutomaton]: Constructing interpolant automaton starting with 45 interpolants. [2018-07-23 13:41:35,219 INFO L133 InterpolantAutomaton]: CoverageRelationStatistics Valid=990, Invalid=990, Unknown=0, NotChecked=0, Total=1980 [2018-07-23 13:41:35,220 INFO L87 Difference]: Start difference. First operand 46 states and 46 transitions. Second operand 45 states. [2018-07-23 13:41:35,251 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2018-07-23 13:41:35,252 INFO L93 Difference]: Finished difference Result 49 states and 49 transitions. [2018-07-23 13:41:35,252 INFO L142 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 45 states. [2018-07-23 13:41:35,252 INFO L78 Accepts]: Start accepts. Automaton has 45 states. Word has length 45 [2018-07-23 13:41:35,252 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2018-07-23 13:41:35,253 INFO L225 Difference]: With dead ends: 49 [2018-07-23 13:41:35,253 INFO L226 Difference]: Without dead ends: 47 [2018-07-23 13:41:35,254 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 13:41:35,254 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 47 states. [2018-07-23 13:41:35,258 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 47 to 47. [2018-07-23 13:41:35,258 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 47 states. [2018-07-23 13:41:35,258 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 47 states to 47 states and 47 transitions. [2018-07-23 13:41:35,259 INFO L78 Accepts]: Start accepts. Automaton has 47 states and 47 transitions. Word has length 45 [2018-07-23 13:41:35,259 INFO L84 Accepts]: Finished accepts. word is rejected. [2018-07-23 13:41:35,259 INFO L471 AbstractCegarLoop]: Abstraction has 47 states and 47 transitions. [2018-07-23 13:41:35,259 INFO L472 AbstractCegarLoop]: Interpolant automaton has 45 states. [2018-07-23 13:41:35,259 INFO L276 IsEmpty]: Start isEmpty. Operand 47 states and 47 transitions. [2018-07-23 13:41:35,260 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 47 [2018-07-23 13:41:35,260 INFO L349 BasicCegarLoop]: Found error trace [2018-07-23 13:41:35,260 INFO L357 BasicCegarLoop]: trace histogram [43, 1, 1, 1] [2018-07-23 13:41:35,260 INFO L414 AbstractCegarLoop]: === Iteration 44 === [ULTIMATE.startErr0AssertViolationASSERT]=== [2018-07-23 13:41:35,260 INFO L82 PathProgramCache]: Analyzing trace with hash 342059208, now seen corresponding path program 43 times [2018-07-23 13:41:35,261 INFO L69 tionRefinementEngine]: Using refinement strategy FixedRefinementStrategy [2018-07-23 13:41:35,274 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-07-23 13:41:35,479 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 13:41:35,480 INFO L309 seRefinementStrategy]: Constructing automaton from 0 perfect and 1 imperfect interpolant sequences. [2018-07-23 13:41:35,480 INFO L324 seRefinementStrategy]: Number of different interpolants: perfect sequences [] imperfect sequences [45] total 45 [2018-07-23 13:41:35,480 INFO L142 lantAutomatonBuilder]: Constructing canonical interpolant automaton, with selfloop in false state [2018-07-23 13:41:35,481 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2018-07-23 13:41:35,481 INFO L185 omatonBuilderFactory]: Interpolants [5696#(<= ULTIMATE.start_main_~x~4 26), 5697#(<= ULTIMATE.start_main_~x~4 28), 5698#(<= ULTIMATE.start_main_~x~4 30), 5699#(<= ULTIMATE.start_main_~x~4 32), 5700#(<= ULTIMATE.start_main_~x~4 34), 5701#(<= ULTIMATE.start_main_~x~4 36), 5702#(<= ULTIMATE.start_main_~x~4 38), 5703#(<= ULTIMATE.start_main_~x~4 40), 5704#(<= ULTIMATE.start_main_~x~4 42), 5705#(<= ULTIMATE.start_main_~x~4 44), 5706#(<= ULTIMATE.start_main_~x~4 46), 5707#(<= ULTIMATE.start_main_~x~4 48), 5708#(<= ULTIMATE.start_main_~x~4 50), 5709#(<= ULTIMATE.start_main_~x~4 52), 5710#(<= ULTIMATE.start_main_~x~4 54), 5711#(<= ULTIMATE.start_main_~x~4 56), 5712#(<= ULTIMATE.start_main_~x~4 58), 5713#(<= ULTIMATE.start_main_~x~4 60), 5714#(<= ULTIMATE.start_main_~x~4 62), 5715#(<= ULTIMATE.start_main_~x~4 64), 5716#(<= ULTIMATE.start_main_~x~4 66), 5717#(<= ULTIMATE.start_main_~x~4 68), 5718#(<= ULTIMATE.start_main_~x~4 70), 5719#(<= ULTIMATE.start_main_~x~4 72), 5720#(<= ULTIMATE.start_main_~x~4 74), 5721#(<= ULTIMATE.start_main_~x~4 76), 5722#(<= ULTIMATE.start_main_~x~4 78), 5723#(<= ULTIMATE.start_main_~x~4 80), 5724#(<= ULTIMATE.start_main_~x~4 82), 5725#(<= ULTIMATE.start_main_~x~4 84), 5726#(<= ULTIMATE.start_main_~x~4 86), 5727#(<= ULTIMATE.start_main_~x~4 88), 5728#(<= ULTIMATE.start_main_~x~4 90), 5729#(<= ULTIMATE.start_main_~x~4 92), 5730#(<= ULTIMATE.start_main_~x~4 94), 5731#(<= ULTIMATE.start_main_~x~4 96), 5686#true, 5687#false, 5688#(<= ULTIMATE.start_main_~x~4 10), 5689#(<= ULTIMATE.start_main_~x~4 12), 5690#(<= ULTIMATE.start_main_~x~4 14), 5691#(<= ULTIMATE.start_main_~x~4 16), 5692#(<= ULTIMATE.start_main_~x~4 18), 5693#(<= ULTIMATE.start_main_~x~4 20), 5694#(<= ULTIMATE.start_main_~x~4 22), 5695#(<= ULTIMATE.start_main_~x~4 24)] [2018-07-23 13:41:35,481 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 13:41:35,482 INFO L450 AbstractCegarLoop]: Interpolant automaton has 46 states [2018-07-23 13:41:35,483 INFO L132 InterpolantAutomaton]: Constructing interpolant automaton starting with 46 interpolants. [2018-07-23 13:41:35,484 INFO L133 InterpolantAutomaton]: CoverageRelationStatistics Valid=1035, Invalid=1035, Unknown=0, NotChecked=0, Total=2070 [2018-07-23 13:41:35,484 INFO L87 Difference]: Start difference. First operand 47 states and 47 transitions. Second operand 46 states. [2018-07-23 13:41:35,520 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2018-07-23 13:41:35,520 INFO L93 Difference]: Finished difference Result 50 states and 50 transitions. [2018-07-23 13:41:35,521 INFO L142 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 46 states. [2018-07-23 13:41:35,521 INFO L78 Accepts]: Start accepts. Automaton has 46 states. Word has length 46 [2018-07-23 13:41:35,521 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2018-07-23 13:41:35,522 INFO L225 Difference]: With dead ends: 50 [2018-07-23 13:41:35,522 INFO L226 Difference]: Without dead ends: 48 [2018-07-23 13:41:35,524 INFO L575 BasicCegarLoop]: 0 DeclaredPredicates, 45 GetRequests, 1 SyntacticMatches, 0 SemanticMatches, 44 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 0 ImplicationChecksByTransitivity, 0.1s TimeCoverageRelationStatistics Valid=1035, Invalid=1035, Unknown=0, NotChecked=0, Total=2070 [2018-07-23 13:41:35,525 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 48 states. [2018-07-23 13:41:35,527 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 48 to 48. [2018-07-23 13:41:35,527 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 48 states. [2018-07-23 13:41:35,527 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 48 states to 48 states and 48 transitions. [2018-07-23 13:41:35,528 INFO L78 Accepts]: Start accepts. Automaton has 48 states and 48 transitions. Word has length 46 [2018-07-23 13:41:35,528 INFO L84 Accepts]: Finished accepts. word is rejected. [2018-07-23 13:41:35,528 INFO L471 AbstractCegarLoop]: Abstraction has 48 states and 48 transitions. [2018-07-23 13:41:35,528 INFO L472 AbstractCegarLoop]: Interpolant automaton has 46 states. [2018-07-23 13:41:35,528 INFO L276 IsEmpty]: Start isEmpty. Operand 48 states and 48 transitions. [2018-07-23 13:41:35,529 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 48 [2018-07-23 13:41:35,529 INFO L349 BasicCegarLoop]: Found error trace [2018-07-23 13:41:35,529 INFO L357 BasicCegarLoop]: trace histogram [44, 1, 1, 1] [2018-07-23 13:41:35,529 INFO L414 AbstractCegarLoop]: === Iteration 45 === [ULTIMATE.startErr0AssertViolationASSERT]=== [2018-07-23 13:41:35,530 INFO L82 PathProgramCache]: Analyzing trace with hash 2013898881, now seen corresponding path program 44 times [2018-07-23 13:41:35,530 INFO L69 tionRefinementEngine]: Using refinement strategy FixedRefinementStrategy [2018-07-23 13:41:35,544 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-07-23 13:41:35,762 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 13:41:35,762 INFO L309 seRefinementStrategy]: Constructing automaton from 0 perfect and 1 imperfect interpolant sequences. [2018-07-23 13:41:35,762 INFO L324 seRefinementStrategy]: Number of different interpolants: perfect sequences [] imperfect sequences [46] total 46 [2018-07-23 13:41:35,763 INFO L142 lantAutomatonBuilder]: Constructing canonical interpolant automaton, with selfloop in false state [2018-07-23 13:41:35,763 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2018-07-23 13:41:35,763 INFO L185 omatonBuilderFactory]: Interpolants [5952#(<= ULTIMATE.start_main_~x~4 54), 5953#(<= ULTIMATE.start_main_~x~4 56), 5954#(<= ULTIMATE.start_main_~x~4 58), 5955#(<= ULTIMATE.start_main_~x~4 60), 5956#(<= ULTIMATE.start_main_~x~4 62), 5957#(<= ULTIMATE.start_main_~x~4 64), 5958#(<= ULTIMATE.start_main_~x~4 66), 5959#(<= ULTIMATE.start_main_~x~4 68), 5960#(<= ULTIMATE.start_main_~x~4 70), 5961#(<= ULTIMATE.start_main_~x~4 72), 5962#(<= ULTIMATE.start_main_~x~4 74), 5963#(<= ULTIMATE.start_main_~x~4 76), 5964#(<= ULTIMATE.start_main_~x~4 78), 5965#(<= ULTIMATE.start_main_~x~4 80), 5966#(<= ULTIMATE.start_main_~x~4 82), 5967#(<= ULTIMATE.start_main_~x~4 84), 5968#(<= ULTIMATE.start_main_~x~4 86), 5969#(<= ULTIMATE.start_main_~x~4 88), 5970#(<= ULTIMATE.start_main_~x~4 90), 5971#(<= ULTIMATE.start_main_~x~4 92), 5972#(<= ULTIMATE.start_main_~x~4 94), 5973#(<= ULTIMATE.start_main_~x~4 96), 5974#(<= ULTIMATE.start_main_~x~4 98), 5928#true, 5929#false, 5930#(<= ULTIMATE.start_main_~x~4 10), 5931#(<= ULTIMATE.start_main_~x~4 12), 5932#(<= ULTIMATE.start_main_~x~4 14), 5933#(<= ULTIMATE.start_main_~x~4 16), 5934#(<= ULTIMATE.start_main_~x~4 18), 5935#(<= ULTIMATE.start_main_~x~4 20), 5936#(<= ULTIMATE.start_main_~x~4 22), 5937#(<= ULTIMATE.start_main_~x~4 24), 5938#(<= ULTIMATE.start_main_~x~4 26), 5939#(<= ULTIMATE.start_main_~x~4 28), 5940#(<= ULTIMATE.start_main_~x~4 30), 5941#(<= ULTIMATE.start_main_~x~4 32), 5942#(<= ULTIMATE.start_main_~x~4 34), 5943#(<= ULTIMATE.start_main_~x~4 36), 5944#(<= ULTIMATE.start_main_~x~4 38), 5945#(<= ULTIMATE.start_main_~x~4 40), 5946#(<= ULTIMATE.start_main_~x~4 42), 5947#(<= ULTIMATE.start_main_~x~4 44), 5948#(<= ULTIMATE.start_main_~x~4 46), 5949#(<= ULTIMATE.start_main_~x~4 48), 5950#(<= ULTIMATE.start_main_~x~4 50), 5951#(<= ULTIMATE.start_main_~x~4 52)] [2018-07-23 13:41:35,764 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 13:41:35,764 INFO L450 AbstractCegarLoop]: Interpolant automaton has 47 states [2018-07-23 13:41:35,765 INFO L132 InterpolantAutomaton]: Constructing interpolant automaton starting with 47 interpolants. [2018-07-23 13:41:35,769 INFO L133 InterpolantAutomaton]: CoverageRelationStatistics Valid=1081, Invalid=1081, Unknown=0, NotChecked=0, Total=2162 [2018-07-23 13:41:35,769 INFO L87 Difference]: Start difference. First operand 48 states and 48 transitions. Second operand 47 states. [2018-07-23 13:41:35,797 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2018-07-23 13:41:35,798 INFO L93 Difference]: Finished difference Result 51 states and 51 transitions. [2018-07-23 13:41:35,798 INFO L142 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 47 states. [2018-07-23 13:41:35,798 INFO L78 Accepts]: Start accepts. Automaton has 47 states. Word has length 47 [2018-07-23 13:41:35,798 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2018-07-23 13:41:35,799 INFO L225 Difference]: With dead ends: 51 [2018-07-23 13:41:35,799 INFO L226 Difference]: Without dead ends: 49 [2018-07-23 13:41:35,800 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 13:41:35,800 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 49 states. [2018-07-23 13:41:35,802 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 49 to 49. [2018-07-23 13:41:35,803 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 49 states. [2018-07-23 13:41:35,803 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 49 states to 49 states and 49 transitions. [2018-07-23 13:41:35,803 INFO L78 Accepts]: Start accepts. Automaton has 49 states and 49 transitions. Word has length 47 [2018-07-23 13:41:35,803 INFO L84 Accepts]: Finished accepts. word is rejected. [2018-07-23 13:41:35,803 INFO L471 AbstractCegarLoop]: Abstraction has 49 states and 49 transitions. [2018-07-23 13:41:35,804 INFO L472 AbstractCegarLoop]: Interpolant automaton has 47 states. [2018-07-23 13:41:35,804 INFO L276 IsEmpty]: Start isEmpty. Operand 49 states and 49 transitions. [2018-07-23 13:41:35,804 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 49 [2018-07-23 13:41:35,804 INFO L349 BasicCegarLoop]: Found error trace [2018-07-23 13:41:35,804 INFO L357 BasicCegarLoop]: trace histogram [45, 1, 1, 1] [2018-07-23 13:41:35,805 INFO L414 AbstractCegarLoop]: === Iteration 46 === [ULTIMATE.startErr0AssertViolationASSERT]=== [2018-07-23 13:41:35,805 INFO L82 PathProgramCache]: Analyzing trace with hash -1993646104, now seen corresponding path program 45 times [2018-07-23 13:41:35,805 INFO L69 tionRefinementEngine]: Using refinement strategy FixedRefinementStrategy [2018-07-23 13:41:35,817 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-07-23 13:41:36,140 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 13:41:36,140 INFO L309 seRefinementStrategy]: Constructing automaton from 0 perfect and 1 imperfect interpolant sequences. [2018-07-23 13:41:36,140 INFO L324 seRefinementStrategy]: Number of different interpolants: perfect sequences [] imperfect sequences [47] total 47 [2018-07-23 13:41:36,141 INFO L142 lantAutomatonBuilder]: Constructing canonical interpolant automaton, with selfloop in false state [2018-07-23 13:41:36,141 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2018-07-23 13:41:36,141 INFO L185 omatonBuilderFactory]: Interpolants [6208#(<= ULTIMATE.start_main_~x~4 72), 6209#(<= ULTIMATE.start_main_~x~4 74), 6210#(<= ULTIMATE.start_main_~x~4 76), 6211#(<= ULTIMATE.start_main_~x~4 78), 6212#(<= ULTIMATE.start_main_~x~4 80), 6213#(<= ULTIMATE.start_main_~x~4 82), 6214#(<= ULTIMATE.start_main_~x~4 84), 6215#(<= ULTIMATE.start_main_~x~4 86), 6216#(<= ULTIMATE.start_main_~x~4 88), 6217#(<= ULTIMATE.start_main_~x~4 90), 6218#(<= ULTIMATE.start_main_~x~4 92), 6219#(<= ULTIMATE.start_main_~x~4 94), 6220#(<= ULTIMATE.start_main_~x~4 96), 6221#(<= ULTIMATE.start_main_~x~4 98), 6222#(<= ULTIMATE.start_main_~x~4 100), 6175#true, 6176#false, 6177#(<= ULTIMATE.start_main_~x~4 10), 6178#(<= ULTIMATE.start_main_~x~4 12), 6179#(<= ULTIMATE.start_main_~x~4 14), 6180#(<= ULTIMATE.start_main_~x~4 16), 6181#(<= ULTIMATE.start_main_~x~4 18), 6182#(<= ULTIMATE.start_main_~x~4 20), 6183#(<= ULTIMATE.start_main_~x~4 22), 6184#(<= ULTIMATE.start_main_~x~4 24), 6185#(<= ULTIMATE.start_main_~x~4 26), 6186#(<= ULTIMATE.start_main_~x~4 28), 6187#(<= ULTIMATE.start_main_~x~4 30), 6188#(<= ULTIMATE.start_main_~x~4 32), 6189#(<= ULTIMATE.start_main_~x~4 34), 6190#(<= ULTIMATE.start_main_~x~4 36), 6191#(<= ULTIMATE.start_main_~x~4 38), 6192#(<= ULTIMATE.start_main_~x~4 40), 6193#(<= ULTIMATE.start_main_~x~4 42), 6194#(<= ULTIMATE.start_main_~x~4 44), 6195#(<= ULTIMATE.start_main_~x~4 46), 6196#(<= ULTIMATE.start_main_~x~4 48), 6197#(<= ULTIMATE.start_main_~x~4 50), 6198#(<= ULTIMATE.start_main_~x~4 52), 6199#(<= ULTIMATE.start_main_~x~4 54), 6200#(<= ULTIMATE.start_main_~x~4 56), 6201#(<= ULTIMATE.start_main_~x~4 58), 6202#(<= ULTIMATE.start_main_~x~4 60), 6203#(<= ULTIMATE.start_main_~x~4 62), 6204#(<= ULTIMATE.start_main_~x~4 64), 6205#(<= ULTIMATE.start_main_~x~4 66), 6206#(<= ULTIMATE.start_main_~x~4 68), 6207#(<= ULTIMATE.start_main_~x~4 70)] [2018-07-23 13:41:36,142 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 13:41:36,142 INFO L450 AbstractCegarLoop]: Interpolant automaton has 48 states [2018-07-23 13:41:36,142 INFO L132 InterpolantAutomaton]: Constructing interpolant automaton starting with 48 interpolants. [2018-07-23 13:41:36,143 INFO L133 InterpolantAutomaton]: CoverageRelationStatistics Valid=1128, Invalid=1128, Unknown=0, NotChecked=0, Total=2256 [2018-07-23 13:41:36,143 INFO L87 Difference]: Start difference. First operand 49 states and 49 transitions. Second operand 48 states. [2018-07-23 13:41:36,167 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2018-07-23 13:41:36,167 INFO L93 Difference]: Finished difference Result 52 states and 52 transitions. [2018-07-23 13:41:36,167 INFO L142 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 48 states. [2018-07-23 13:41:36,167 INFO L78 Accepts]: Start accepts. Automaton has 48 states. Word has length 48 [2018-07-23 13:41:36,168 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2018-07-23 13:41:36,168 INFO L225 Difference]: With dead ends: 52 [2018-07-23 13:41:36,168 INFO L226 Difference]: Without dead ends: 50 [2018-07-23 13:41:36,169 INFO L575 BasicCegarLoop]: 0 DeclaredPredicates, 47 GetRequests, 1 SyntacticMatches, 0 SemanticMatches, 46 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 0 ImplicationChecksByTransitivity, 0.2s TimeCoverageRelationStatistics Valid=1128, Invalid=1128, Unknown=0, NotChecked=0, Total=2256 [2018-07-23 13:41:36,169 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 50 states. [2018-07-23 13:41:36,171 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 50 to 50. [2018-07-23 13:41:36,171 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 50 states. [2018-07-23 13:41:36,171 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 50 states to 50 states and 50 transitions. [2018-07-23 13:41:36,171 INFO L78 Accepts]: Start accepts. Automaton has 50 states and 50 transitions. Word has length 48 [2018-07-23 13:41:36,172 INFO L84 Accepts]: Finished accepts. word is rejected. [2018-07-23 13:41:36,172 INFO L471 AbstractCegarLoop]: Abstraction has 50 states and 50 transitions. [2018-07-23 13:41:36,172 INFO L472 AbstractCegarLoop]: Interpolant automaton has 48 states. [2018-07-23 13:41:36,172 INFO L276 IsEmpty]: Start isEmpty. Operand 50 states and 50 transitions. [2018-07-23 13:41:36,172 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 50 [2018-07-23 13:41:36,172 INFO L349 BasicCegarLoop]: Found error trace [2018-07-23 13:41:36,173 INFO L357 BasicCegarLoop]: trace histogram [46, 1, 1, 1] [2018-07-23 13:41:36,173 INFO L414 AbstractCegarLoop]: === Iteration 47 === [ULTIMATE.startErr0AssertViolationASSERT]=== [2018-07-23 13:41:36,173 INFO L82 PathProgramCache]: Analyzing trace with hash -1673489055, now seen corresponding path program 46 times [2018-07-23 13:41:36,173 INFO L69 tionRefinementEngine]: Using refinement strategy FixedRefinementStrategy [2018-07-23 13:41:36,182 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-07-23 13:41:36,358 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 13:41:36,358 INFO L309 seRefinementStrategy]: Constructing automaton from 0 perfect and 1 imperfect interpolant sequences. [2018-07-23 13:41:36,358 INFO L324 seRefinementStrategy]: Number of different interpolants: perfect sequences [] imperfect sequences [48] total 48 [2018-07-23 13:41:36,358 INFO L142 lantAutomatonBuilder]: Constructing canonical interpolant automaton, with selfloop in false state [2018-07-23 13:41:36,359 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2018-07-23 13:41:36,359 INFO L185 omatonBuilderFactory]: Interpolants [6427#true, 6428#false, 6429#(<= ULTIMATE.start_main_~x~4 10), 6430#(<= ULTIMATE.start_main_~x~4 12), 6431#(<= ULTIMATE.start_main_~x~4 14), 6432#(<= ULTIMATE.start_main_~x~4 16), 6433#(<= ULTIMATE.start_main_~x~4 18), 6434#(<= ULTIMATE.start_main_~x~4 20), 6435#(<= ULTIMATE.start_main_~x~4 22), 6436#(<= ULTIMATE.start_main_~x~4 24), 6437#(<= ULTIMATE.start_main_~x~4 26), 6438#(<= ULTIMATE.start_main_~x~4 28), 6439#(<= ULTIMATE.start_main_~x~4 30), 6440#(<= ULTIMATE.start_main_~x~4 32), 6441#(<= ULTIMATE.start_main_~x~4 34), 6442#(<= ULTIMATE.start_main_~x~4 36), 6443#(<= ULTIMATE.start_main_~x~4 38), 6444#(<= ULTIMATE.start_main_~x~4 40), 6445#(<= ULTIMATE.start_main_~x~4 42), 6446#(<= ULTIMATE.start_main_~x~4 44), 6447#(<= ULTIMATE.start_main_~x~4 46), 6448#(<= ULTIMATE.start_main_~x~4 48), 6449#(<= ULTIMATE.start_main_~x~4 50), 6450#(<= ULTIMATE.start_main_~x~4 52), 6451#(<= ULTIMATE.start_main_~x~4 54), 6452#(<= ULTIMATE.start_main_~x~4 56), 6453#(<= ULTIMATE.start_main_~x~4 58), 6454#(<= ULTIMATE.start_main_~x~4 60), 6455#(<= ULTIMATE.start_main_~x~4 62), 6456#(<= ULTIMATE.start_main_~x~4 64), 6457#(<= ULTIMATE.start_main_~x~4 66), 6458#(<= ULTIMATE.start_main_~x~4 68), 6459#(<= ULTIMATE.start_main_~x~4 70), 6460#(<= ULTIMATE.start_main_~x~4 72), 6461#(<= ULTIMATE.start_main_~x~4 74), 6462#(<= ULTIMATE.start_main_~x~4 76), 6463#(<= ULTIMATE.start_main_~x~4 78), 6464#(<= ULTIMATE.start_main_~x~4 80), 6465#(<= ULTIMATE.start_main_~x~4 82), 6466#(<= ULTIMATE.start_main_~x~4 84), 6467#(<= ULTIMATE.start_main_~x~4 86), 6468#(<= ULTIMATE.start_main_~x~4 88), 6469#(<= ULTIMATE.start_main_~x~4 90), 6470#(<= ULTIMATE.start_main_~x~4 92), 6471#(<= ULTIMATE.start_main_~x~4 94), 6472#(<= ULTIMATE.start_main_~x~4 96), 6473#(<= ULTIMATE.start_main_~x~4 98), 6474#(<= ULTIMATE.start_main_~x~4 100), 6475#(<= ULTIMATE.start_main_~x~4 102)] [2018-07-23 13:41:36,359 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 13:41:36,360 INFO L450 AbstractCegarLoop]: Interpolant automaton has 49 states [2018-07-23 13:41:36,360 INFO L132 InterpolantAutomaton]: Constructing interpolant automaton starting with 49 interpolants. [2018-07-23 13:41:36,361 INFO L133 InterpolantAutomaton]: CoverageRelationStatistics Valid=1176, Invalid=1176, Unknown=0, NotChecked=0, Total=2352 [2018-07-23 13:41:36,361 INFO L87 Difference]: Start difference. First operand 50 states and 50 transitions. Second operand 49 states. [2018-07-23 13:41:36,384 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2018-07-23 13:41:36,384 INFO L93 Difference]: Finished difference Result 53 states and 53 transitions. [2018-07-23 13:41:36,385 INFO L142 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 49 states. [2018-07-23 13:41:36,385 INFO L78 Accepts]: Start accepts. Automaton has 49 states. Word has length 49 [2018-07-23 13:41:36,385 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2018-07-23 13:41:36,386 INFO L225 Difference]: With dead ends: 53 [2018-07-23 13:41:36,386 INFO L226 Difference]: Without dead ends: 51 [2018-07-23 13:41:36,387 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 13:41:36,387 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 51 states. [2018-07-23 13:41:36,389 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 51 to 51. [2018-07-23 13:41:36,390 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 51 states. [2018-07-23 13:41:36,390 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 51 states to 51 states and 51 transitions. [2018-07-23 13:41:36,390 INFO L78 Accepts]: Start accepts. Automaton has 51 states and 51 transitions. Word has length 49 [2018-07-23 13:41:36,390 INFO L84 Accepts]: Finished accepts. word is rejected. [2018-07-23 13:41:36,390 INFO L471 AbstractCegarLoop]: Abstraction has 51 states and 51 transitions. [2018-07-23 13:41:36,391 INFO L472 AbstractCegarLoop]: Interpolant automaton has 49 states. [2018-07-23 13:41:36,391 INFO L276 IsEmpty]: Start isEmpty. Operand 51 states and 51 transitions. [2018-07-23 13:41:36,391 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 51 [2018-07-23 13:41:36,391 INFO L349 BasicCegarLoop]: Found error trace [2018-07-23 13:41:36,391 INFO L357 BasicCegarLoop]: trace histogram [47, 1, 1, 1] [2018-07-23 13:41:36,392 INFO L414 AbstractCegarLoop]: === Iteration 48 === [ULTIMATE.startErr0AssertViolationASSERT]=== [2018-07-23 13:41:36,392 INFO L82 PathProgramCache]: Analyzing trace with hash -338555128, now seen corresponding path program 47 times [2018-07-23 13:41:36,392 INFO L69 tionRefinementEngine]: Using refinement strategy FixedRefinementStrategy [2018-07-23 13:41:36,400 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-07-23 13:41:36,577 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 13:41:36,578 INFO L309 seRefinementStrategy]: Constructing automaton from 0 perfect and 1 imperfect interpolant sequences. [2018-07-23 13:41:36,578 INFO L324 seRefinementStrategy]: Number of different interpolants: perfect sequences [] imperfect sequences [49] total 49 [2018-07-23 13:41:36,578 INFO L142 lantAutomatonBuilder]: Constructing canonical interpolant automaton, with selfloop in false state [2018-07-23 13:41:36,579 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2018-07-23 13:41:36,579 INFO L185 omatonBuilderFactory]: Interpolants [6684#true, 6685#false, 6686#(<= ULTIMATE.start_main_~x~4 10), 6687#(<= ULTIMATE.start_main_~x~4 12), 6688#(<= ULTIMATE.start_main_~x~4 14), 6689#(<= ULTIMATE.start_main_~x~4 16), 6690#(<= ULTIMATE.start_main_~x~4 18), 6691#(<= ULTIMATE.start_main_~x~4 20), 6692#(<= ULTIMATE.start_main_~x~4 22), 6693#(<= ULTIMATE.start_main_~x~4 24), 6694#(<= ULTIMATE.start_main_~x~4 26), 6695#(<= ULTIMATE.start_main_~x~4 28), 6696#(<= ULTIMATE.start_main_~x~4 30), 6697#(<= ULTIMATE.start_main_~x~4 32), 6698#(<= ULTIMATE.start_main_~x~4 34), 6699#(<= ULTIMATE.start_main_~x~4 36), 6700#(<= ULTIMATE.start_main_~x~4 38), 6701#(<= ULTIMATE.start_main_~x~4 40), 6702#(<= ULTIMATE.start_main_~x~4 42), 6703#(<= ULTIMATE.start_main_~x~4 44), 6704#(<= ULTIMATE.start_main_~x~4 46), 6705#(<= ULTIMATE.start_main_~x~4 48), 6706#(<= ULTIMATE.start_main_~x~4 50), 6707#(<= ULTIMATE.start_main_~x~4 52), 6708#(<= ULTIMATE.start_main_~x~4 54), 6709#(<= ULTIMATE.start_main_~x~4 56), 6710#(<= ULTIMATE.start_main_~x~4 58), 6711#(<= ULTIMATE.start_main_~x~4 60), 6712#(<= ULTIMATE.start_main_~x~4 62), 6713#(<= ULTIMATE.start_main_~x~4 64), 6714#(<= ULTIMATE.start_main_~x~4 66), 6715#(<= ULTIMATE.start_main_~x~4 68), 6716#(<= ULTIMATE.start_main_~x~4 70), 6717#(<= ULTIMATE.start_main_~x~4 72), 6718#(<= ULTIMATE.start_main_~x~4 74), 6719#(<= ULTIMATE.start_main_~x~4 76), 6720#(<= ULTIMATE.start_main_~x~4 78), 6721#(<= ULTIMATE.start_main_~x~4 80), 6722#(<= ULTIMATE.start_main_~x~4 82), 6723#(<= ULTIMATE.start_main_~x~4 84), 6724#(<= ULTIMATE.start_main_~x~4 86), 6725#(<= ULTIMATE.start_main_~x~4 88), 6726#(<= ULTIMATE.start_main_~x~4 90), 6727#(<= ULTIMATE.start_main_~x~4 92), 6728#(<= ULTIMATE.start_main_~x~4 94), 6729#(<= ULTIMATE.start_main_~x~4 96), 6730#(<= ULTIMATE.start_main_~x~4 98), 6731#(<= ULTIMATE.start_main_~x~4 100), 6732#(<= ULTIMATE.start_main_~x~4 102), 6733#(<= ULTIMATE.start_main_~x~4 104)] [2018-07-23 13:41:36,580 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 13:41:36,580 INFO L450 AbstractCegarLoop]: Interpolant automaton has 50 states [2018-07-23 13:41:36,581 INFO L132 InterpolantAutomaton]: Constructing interpolant automaton starting with 50 interpolants. [2018-07-23 13:41:36,582 INFO L133 InterpolantAutomaton]: CoverageRelationStatistics Valid=1225, Invalid=1225, Unknown=0, NotChecked=0, Total=2450 [2018-07-23 13:41:36,582 INFO L87 Difference]: Start difference. First operand 51 states and 51 transitions. Second operand 50 states. [2018-07-23 13:41:36,606 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2018-07-23 13:41:36,606 INFO L93 Difference]: Finished difference Result 54 states and 54 transitions. [2018-07-23 13:41:36,606 INFO L142 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 50 states. [2018-07-23 13:41:36,607 INFO L78 Accepts]: Start accepts. Automaton has 50 states. Word has length 50 [2018-07-23 13:41:36,607 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2018-07-23 13:41:36,607 INFO L225 Difference]: With dead ends: 54 [2018-07-23 13:41:36,607 INFO L226 Difference]: Without dead ends: 52 [2018-07-23 13:41:36,608 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 13:41:36,609 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 52 states. [2018-07-23 13:41:36,612 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 52 to 52. [2018-07-23 13:41:36,612 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 52 states. [2018-07-23 13:41:36,612 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 52 states to 52 states and 52 transitions. [2018-07-23 13:41:36,613 INFO L78 Accepts]: Start accepts. Automaton has 52 states and 52 transitions. Word has length 50 [2018-07-23 13:41:36,613 INFO L84 Accepts]: Finished accepts. word is rejected. [2018-07-23 13:41:36,613 INFO L471 AbstractCegarLoop]: Abstraction has 52 states and 52 transitions. [2018-07-23 13:41:36,613 INFO L472 AbstractCegarLoop]: Interpolant automaton has 50 states. [2018-07-23 13:41:36,613 INFO L276 IsEmpty]: Start isEmpty. Operand 52 states and 52 transitions. [2018-07-23 13:41:36,614 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 52 [2018-07-23 13:41:36,614 INFO L349 BasicCegarLoop]: Found error trace [2018-07-23 13:41:36,614 INFO L357 BasicCegarLoop]: trace histogram [48, 1, 1, 1] [2018-07-23 13:41:36,615 INFO L414 AbstractCegarLoop]: === Iteration 49 === [ULTIMATE.startErr0AssertViolationASSERT]=== [2018-07-23 13:41:36,615 INFO L82 PathProgramCache]: Analyzing trace with hash -1905276351, now seen corresponding path program 48 times [2018-07-23 13:41:36,615 INFO L69 tionRefinementEngine]: Using refinement strategy FixedRefinementStrategy [2018-07-23 13:41:36,625 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-07-23 13:41:36,809 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 13:41:36,810 INFO L309 seRefinementStrategy]: Constructing automaton from 0 perfect and 1 imperfect interpolant sequences. [2018-07-23 13:41:36,810 INFO L324 seRefinementStrategy]: Number of different interpolants: perfect sequences [] imperfect sequences [50] total 50 [2018-07-23 13:41:36,810 INFO L142 lantAutomatonBuilder]: Constructing canonical interpolant automaton, with selfloop in false state [2018-07-23 13:41:36,810 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2018-07-23 13:41:36,811 INFO L185 omatonBuilderFactory]: Interpolants [6946#true, 6947#false, 6948#(<= ULTIMATE.start_main_~x~4 10), 6949#(<= ULTIMATE.start_main_~x~4 12), 6950#(<= ULTIMATE.start_main_~x~4 14), 6951#(<= ULTIMATE.start_main_~x~4 16), 6952#(<= ULTIMATE.start_main_~x~4 18), 6953#(<= ULTIMATE.start_main_~x~4 20), 6954#(<= ULTIMATE.start_main_~x~4 22), 6955#(<= ULTIMATE.start_main_~x~4 24), 6956#(<= ULTIMATE.start_main_~x~4 26), 6957#(<= ULTIMATE.start_main_~x~4 28), 6958#(<= ULTIMATE.start_main_~x~4 30), 6959#(<= ULTIMATE.start_main_~x~4 32), 6960#(<= ULTIMATE.start_main_~x~4 34), 6961#(<= ULTIMATE.start_main_~x~4 36), 6962#(<= ULTIMATE.start_main_~x~4 38), 6963#(<= ULTIMATE.start_main_~x~4 40), 6964#(<= ULTIMATE.start_main_~x~4 42), 6965#(<= ULTIMATE.start_main_~x~4 44), 6966#(<= ULTIMATE.start_main_~x~4 46), 6967#(<= ULTIMATE.start_main_~x~4 48), 6968#(<= ULTIMATE.start_main_~x~4 50), 6969#(<= ULTIMATE.start_main_~x~4 52), 6970#(<= ULTIMATE.start_main_~x~4 54), 6971#(<= ULTIMATE.start_main_~x~4 56), 6972#(<= ULTIMATE.start_main_~x~4 58), 6973#(<= ULTIMATE.start_main_~x~4 60), 6974#(<= ULTIMATE.start_main_~x~4 62), 6975#(<= ULTIMATE.start_main_~x~4 64), 6976#(<= ULTIMATE.start_main_~x~4 66), 6977#(<= ULTIMATE.start_main_~x~4 68), 6978#(<= ULTIMATE.start_main_~x~4 70), 6979#(<= ULTIMATE.start_main_~x~4 72), 6980#(<= ULTIMATE.start_main_~x~4 74), 6981#(<= ULTIMATE.start_main_~x~4 76), 6982#(<= ULTIMATE.start_main_~x~4 78), 6983#(<= ULTIMATE.start_main_~x~4 80), 6984#(<= ULTIMATE.start_main_~x~4 82), 6985#(<= ULTIMATE.start_main_~x~4 84), 6986#(<= ULTIMATE.start_main_~x~4 86), 6987#(<= ULTIMATE.start_main_~x~4 88), 6988#(<= ULTIMATE.start_main_~x~4 90), 6989#(<= ULTIMATE.start_main_~x~4 92), 6990#(<= ULTIMATE.start_main_~x~4 94), 6991#(<= ULTIMATE.start_main_~x~4 96), 6992#(<= ULTIMATE.start_main_~x~4 98), 6993#(<= ULTIMATE.start_main_~x~4 100), 6994#(<= ULTIMATE.start_main_~x~4 102), 6995#(<= ULTIMATE.start_main_~x~4 104), 6996#(<= ULTIMATE.start_main_~x~4 106)] [2018-07-23 13:41:36,811 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 13:41:36,811 INFO L450 AbstractCegarLoop]: Interpolant automaton has 51 states [2018-07-23 13:41:36,812 INFO L132 InterpolantAutomaton]: Constructing interpolant automaton starting with 51 interpolants. [2018-07-23 13:41:36,812 INFO L133 InterpolantAutomaton]: CoverageRelationStatistics Valid=1275, Invalid=1275, Unknown=0, NotChecked=0, Total=2550 [2018-07-23 13:41:36,813 INFO L87 Difference]: Start difference. First operand 52 states and 52 transitions. Second operand 51 states. [2018-07-23 13:41:36,845 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2018-07-23 13:41:36,846 INFO L93 Difference]: Finished difference Result 55 states and 55 transitions. [2018-07-23 13:41:36,846 INFO L142 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 51 states. [2018-07-23 13:41:36,846 INFO L78 Accepts]: Start accepts. Automaton has 51 states. Word has length 51 [2018-07-23 13:41:36,846 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2018-07-23 13:41:36,847 INFO L225 Difference]: With dead ends: 55 [2018-07-23 13:41:36,847 INFO L226 Difference]: Without dead ends: 53 [2018-07-23 13:41:36,848 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 13:41:36,849 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 53 states. [2018-07-23 13:41:36,851 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 53 to 53. [2018-07-23 13:41:36,851 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 53 states. [2018-07-23 13:41:36,852 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 53 states to 53 states and 53 transitions. [2018-07-23 13:41:36,852 INFO L78 Accepts]: Start accepts. Automaton has 53 states and 53 transitions. Word has length 51 [2018-07-23 13:41:36,852 INFO L84 Accepts]: Finished accepts. word is rejected. [2018-07-23 13:41:36,852 INFO L471 AbstractCegarLoop]: Abstraction has 53 states and 53 transitions. [2018-07-23 13:41:36,852 INFO L472 AbstractCegarLoop]: Interpolant automaton has 51 states. [2018-07-23 13:41:36,852 INFO L276 IsEmpty]: Start isEmpty. Operand 53 states and 53 transitions. [2018-07-23 13:41:36,853 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 53 [2018-07-23 13:41:36,853 INFO L349 BasicCegarLoop]: Found error trace [2018-07-23 13:41:36,853 INFO L357 BasicCegarLoop]: trace histogram [49, 1, 1, 1] [2018-07-23 13:41:36,853 INFO L414 AbstractCegarLoop]: === Iteration 50 === [ULTIMATE.startErr0AssertViolationASSERT]=== [2018-07-23 13:41:36,854 INFO L82 PathProgramCache]: Analyzing trace with hash 1065973288, now seen corresponding path program 49 times [2018-07-23 13:41:36,854 INFO L69 tionRefinementEngine]: Using refinement strategy FixedRefinementStrategy [2018-07-23 13:41:36,867 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-07-23 13:41:37,061 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 13:41:37,062 INFO L309 seRefinementStrategy]: Constructing automaton from 0 perfect and 1 imperfect interpolant sequences. [2018-07-23 13:41:37,062 INFO L324 seRefinementStrategy]: Number of different interpolants: perfect sequences [] imperfect sequences [51] total 51 [2018-07-23 13:41:37,062 INFO L142 lantAutomatonBuilder]: Constructing canonical interpolant automaton, with selfloop in false state [2018-07-23 13:41:37,063 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2018-07-23 13:41:37,063 INFO L185 omatonBuilderFactory]: Interpolants [7213#true, 7214#false, 7215#(<= ULTIMATE.start_main_~x~4 10), 7216#(<= ULTIMATE.start_main_~x~4 12), 7217#(<= ULTIMATE.start_main_~x~4 14), 7218#(<= ULTIMATE.start_main_~x~4 16), 7219#(<= ULTIMATE.start_main_~x~4 18), 7220#(<= ULTIMATE.start_main_~x~4 20), 7221#(<= ULTIMATE.start_main_~x~4 22), 7222#(<= ULTIMATE.start_main_~x~4 24), 7223#(<= ULTIMATE.start_main_~x~4 26), 7224#(<= ULTIMATE.start_main_~x~4 28), 7225#(<= ULTIMATE.start_main_~x~4 30), 7226#(<= ULTIMATE.start_main_~x~4 32), 7227#(<= ULTIMATE.start_main_~x~4 34), 7228#(<= ULTIMATE.start_main_~x~4 36), 7229#(<= ULTIMATE.start_main_~x~4 38), 7230#(<= ULTIMATE.start_main_~x~4 40), 7231#(<= ULTIMATE.start_main_~x~4 42), 7232#(<= ULTIMATE.start_main_~x~4 44), 7233#(<= ULTIMATE.start_main_~x~4 46), 7234#(<= ULTIMATE.start_main_~x~4 48), 7235#(<= ULTIMATE.start_main_~x~4 50), 7236#(<= ULTIMATE.start_main_~x~4 52), 7237#(<= ULTIMATE.start_main_~x~4 54), 7238#(<= ULTIMATE.start_main_~x~4 56), 7239#(<= ULTIMATE.start_main_~x~4 58), 7240#(<= ULTIMATE.start_main_~x~4 60), 7241#(<= ULTIMATE.start_main_~x~4 62), 7242#(<= ULTIMATE.start_main_~x~4 64), 7243#(<= ULTIMATE.start_main_~x~4 66), 7244#(<= ULTIMATE.start_main_~x~4 68), 7245#(<= ULTIMATE.start_main_~x~4 70), 7246#(<= ULTIMATE.start_main_~x~4 72), 7247#(<= ULTIMATE.start_main_~x~4 74), 7248#(<= ULTIMATE.start_main_~x~4 76), 7249#(<= ULTIMATE.start_main_~x~4 78), 7250#(<= ULTIMATE.start_main_~x~4 80), 7251#(<= ULTIMATE.start_main_~x~4 82), 7252#(<= ULTIMATE.start_main_~x~4 84), 7253#(<= ULTIMATE.start_main_~x~4 86), 7254#(<= ULTIMATE.start_main_~x~4 88), 7255#(<= ULTIMATE.start_main_~x~4 90), 7256#(<= ULTIMATE.start_main_~x~4 92), 7257#(<= ULTIMATE.start_main_~x~4 94), 7258#(<= ULTIMATE.start_main_~x~4 96), 7259#(<= ULTIMATE.start_main_~x~4 98), 7260#(<= ULTIMATE.start_main_~x~4 100), 7261#(<= ULTIMATE.start_main_~x~4 102), 7262#(<= ULTIMATE.start_main_~x~4 104), 7263#(<= ULTIMATE.start_main_~x~4 106), 7264#(<= ULTIMATE.start_main_~x~4 108)] [2018-07-23 13:41:37,064 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 13:41:37,064 INFO L450 AbstractCegarLoop]: Interpolant automaton has 52 states [2018-07-23 13:41:37,065 INFO L132 InterpolantAutomaton]: Constructing interpolant automaton starting with 52 interpolants. [2018-07-23 13:41:37,065 INFO L133 InterpolantAutomaton]: CoverageRelationStatistics Valid=1326, Invalid=1326, Unknown=0, NotChecked=0, Total=2652 [2018-07-23 13:41:37,066 INFO L87 Difference]: Start difference. First operand 53 states and 53 transitions. Second operand 52 states. [2018-07-23 13:41:37,100 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2018-07-23 13:41:37,100 INFO L93 Difference]: Finished difference Result 56 states and 56 transitions. [2018-07-23 13:41:37,100 INFO L142 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 52 states. [2018-07-23 13:41:37,101 INFO L78 Accepts]: Start accepts. Automaton has 52 states. Word has length 52 [2018-07-23 13:41:37,101 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2018-07-23 13:41:37,101 INFO L225 Difference]: With dead ends: 56 [2018-07-23 13:41:37,101 INFO L226 Difference]: Without dead ends: 54 [2018-07-23 13:41:37,103 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 13:41:37,103 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 54 states. [2018-07-23 13:41:37,105 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 54 to 54. [2018-07-23 13:41:37,105 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 54 states. [2018-07-23 13:41:37,105 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 54 states to 54 states and 54 transitions. [2018-07-23 13:41:37,106 INFO L78 Accepts]: Start accepts. Automaton has 54 states and 54 transitions. Word has length 52 [2018-07-23 13:41:37,106 INFO L84 Accepts]: Finished accepts. word is rejected. [2018-07-23 13:41:37,106 INFO L471 AbstractCegarLoop]: Abstraction has 54 states and 54 transitions. [2018-07-23 13:41:37,106 INFO L472 AbstractCegarLoop]: Interpolant automaton has 52 states. [2018-07-23 13:41:37,106 INFO L276 IsEmpty]: Start isEmpty. Operand 54 states and 54 transitions. [2018-07-23 13:41:37,107 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 54 [2018-07-23 13:41:37,107 INFO L349 BasicCegarLoop]: Found error trace [2018-07-23 13:41:37,107 INFO L357 BasicCegarLoop]: trace histogram [50, 1, 1, 1] [2018-07-23 13:41:37,108 INFO L414 AbstractCegarLoop]: === Iteration 51 === [ULTIMATE.startErr0AssertViolationASSERT]=== [2018-07-23 13:41:37,108 INFO L82 PathProgramCache]: Analyzing trace with hash -1314568415, now seen corresponding path program 50 times [2018-07-23 13:41:37,108 INFO L69 tionRefinementEngine]: Using refinement strategy FixedRefinementStrategy [2018-07-23 13:41:37,120 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-07-23 13:41:37,309 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 13:41:37,309 INFO L309 seRefinementStrategy]: Constructing automaton from 0 perfect and 1 imperfect interpolant sequences. [2018-07-23 13:41:37,309 INFO L324 seRefinementStrategy]: Number of different interpolants: perfect sequences [] imperfect sequences [52] total 52 [2018-07-23 13:41:37,310 INFO L142 lantAutomatonBuilder]: Constructing canonical interpolant automaton, with selfloop in false state [2018-07-23 13:41:37,310 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 13:41:37,310 INFO L185 omatonBuilderFactory]: Interpolants [7485#true, 7486#false, 7487#(<= ULTIMATE.start_main_~x~4 10), 7488#(<= ULTIMATE.start_main_~x~4 12), 7489#(<= ULTIMATE.start_main_~x~4 14), 7490#(<= ULTIMATE.start_main_~x~4 16), 7491#(<= ULTIMATE.start_main_~x~4 18), 7492#(<= ULTIMATE.start_main_~x~4 20), 7493#(<= ULTIMATE.start_main_~x~4 22), 7494#(<= ULTIMATE.start_main_~x~4 24), 7495#(<= ULTIMATE.start_main_~x~4 26), 7496#(<= ULTIMATE.start_main_~x~4 28), 7497#(<= ULTIMATE.start_main_~x~4 30), 7498#(<= ULTIMATE.start_main_~x~4 32), 7499#(<= ULTIMATE.start_main_~x~4 34), 7500#(<= ULTIMATE.start_main_~x~4 36), 7501#(<= ULTIMATE.start_main_~x~4 38), 7502#(<= ULTIMATE.start_main_~x~4 40), 7503#(<= ULTIMATE.start_main_~x~4 42), 7504#(<= ULTIMATE.start_main_~x~4 44), 7505#(<= ULTIMATE.start_main_~x~4 46), 7506#(<= ULTIMATE.start_main_~x~4 48), 7507#(<= ULTIMATE.start_main_~x~4 50), 7508#(<= ULTIMATE.start_main_~x~4 52), 7509#(<= ULTIMATE.start_main_~x~4 54), 7510#(<= ULTIMATE.start_main_~x~4 56), 7511#(<= ULTIMATE.start_main_~x~4 58), 7512#(<= ULTIMATE.start_main_~x~4 60), 7513#(<= ULTIMATE.start_main_~x~4 62), 7514#(<= ULTIMATE.start_main_~x~4 64), 7515#(<= ULTIMATE.start_main_~x~4 66), 7516#(<= ULTIMATE.start_main_~x~4 68), 7517#(<= ULTIMATE.start_main_~x~4 70), 7518#(<= ULTIMATE.start_main_~x~4 72), 7519#(<= ULTIMATE.start_main_~x~4 74), 7520#(<= ULTIMATE.start_main_~x~4 76), 7521#(<= ULTIMATE.start_main_~x~4 78), 7522#(<= ULTIMATE.start_main_~x~4 80), 7523#(<= ULTIMATE.start_main_~x~4 82), 7524#(<= ULTIMATE.start_main_~x~4 84), 7525#(<= ULTIMATE.start_main_~x~4 86), 7526#(<= ULTIMATE.start_main_~x~4 88), 7527#(<= ULTIMATE.start_main_~x~4 90), 7528#(<= ULTIMATE.start_main_~x~4 92), 7529#(<= ULTIMATE.start_main_~x~4 94), 7530#(<= ULTIMATE.start_main_~x~4 96), 7531#(<= ULTIMATE.start_main_~x~4 98), 7532#(<= ULTIMATE.start_main_~x~4 100), 7533#(<= ULTIMATE.start_main_~x~4 102), 7534#(<= ULTIMATE.start_main_~x~4 104), 7535#(<= ULTIMATE.start_main_~x~4 106), 7536#(<= ULTIMATE.start_main_~x~4 108), 7537#(<= ULTIMATE.start_main_~x~4 110)] [2018-07-23 13:41:37,311 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 13:41:37,311 INFO L450 AbstractCegarLoop]: Interpolant automaton has 53 states [2018-07-23 13:41:37,312 INFO L132 InterpolantAutomaton]: Constructing interpolant automaton starting with 53 interpolants. [2018-07-23 13:41:37,312 INFO L133 InterpolantAutomaton]: CoverageRelationStatistics Valid=1378, Invalid=1378, Unknown=0, NotChecked=0, Total=2756 [2018-07-23 13:41:37,313 INFO L87 Difference]: Start difference. First operand 54 states and 54 transitions. Second operand 53 states. [2018-07-23 13:41:37,357 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2018-07-23 13:41:37,357 INFO L93 Difference]: Finished difference Result 57 states and 57 transitions. [2018-07-23 13:41:37,358 INFO L142 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 53 states. [2018-07-23 13:41:37,358 INFO L78 Accepts]: Start accepts. Automaton has 53 states. Word has length 53 [2018-07-23 13:41:37,358 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2018-07-23 13:41:37,359 INFO L225 Difference]: With dead ends: 57 [2018-07-23 13:41:37,359 INFO L226 Difference]: Without dead ends: 55 [2018-07-23 13:41:37,360 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 13:41:37,360 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 55 states. [2018-07-23 13:41:37,365 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 55 to 55. [2018-07-23 13:41:37,366 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 55 states. [2018-07-23 13:41:37,366 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 55 states to 55 states and 55 transitions. [2018-07-23 13:41:37,369 INFO L78 Accepts]: Start accepts. Automaton has 55 states and 55 transitions. Word has length 53 [2018-07-23 13:41:37,369 INFO L84 Accepts]: Finished accepts. word is rejected. [2018-07-23 13:41:37,369 INFO L471 AbstractCegarLoop]: Abstraction has 55 states and 55 transitions. [2018-07-23 13:41:37,369 INFO L472 AbstractCegarLoop]: Interpolant automaton has 53 states. [2018-07-23 13:41:37,369 INFO L276 IsEmpty]: Start isEmpty. Operand 55 states and 55 transitions. [2018-07-23 13:41:37,369 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 55 [2018-07-23 13:41:37,370 INFO L349 BasicCegarLoop]: Found error trace [2018-07-23 13:41:37,370 INFO L357 BasicCegarLoop]: trace histogram [51, 1, 1, 1] [2018-07-23 13:41:37,370 INFO L414 AbstractCegarLoop]: === Iteration 52 === [ULTIMATE.startErr0AssertViolationASSERT]=== [2018-07-23 13:41:37,370 INFO L82 PathProgramCache]: Analyzing trace with hash -2096917176, now seen corresponding path program 51 times [2018-07-23 13:41:37,370 INFO L69 tionRefinementEngine]: Using refinement strategy FixedRefinementStrategy [2018-07-23 13:41:37,381 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-07-23 13:41:37,576 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 13:41:37,576 INFO L309 seRefinementStrategy]: Constructing automaton from 0 perfect and 1 imperfect interpolant sequences. [2018-07-23 13:41:37,576 INFO L324 seRefinementStrategy]: Number of different interpolants: perfect sequences [] imperfect sequences [53] total 53 [2018-07-23 13:41:37,577 INFO L142 lantAutomatonBuilder]: Constructing canonical interpolant automaton, with selfloop in false state [2018-07-23 13:41:37,577 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2018-07-23 13:41:37,577 INFO L185 omatonBuilderFactory]: Interpolants [7808#(<= ULTIMATE.start_main_~x~4 98), 7809#(<= ULTIMATE.start_main_~x~4 100), 7810#(<= ULTIMATE.start_main_~x~4 102), 7811#(<= ULTIMATE.start_main_~x~4 104), 7812#(<= ULTIMATE.start_main_~x~4 106), 7813#(<= ULTIMATE.start_main_~x~4 108), 7814#(<= ULTIMATE.start_main_~x~4 110), 7815#(<= ULTIMATE.start_main_~x~4 112), 7762#true, 7763#false, 7764#(<= ULTIMATE.start_main_~x~4 10), 7765#(<= ULTIMATE.start_main_~x~4 12), 7766#(<= ULTIMATE.start_main_~x~4 14), 7767#(<= ULTIMATE.start_main_~x~4 16), 7768#(<= ULTIMATE.start_main_~x~4 18), 7769#(<= ULTIMATE.start_main_~x~4 20), 7770#(<= ULTIMATE.start_main_~x~4 22), 7771#(<= ULTIMATE.start_main_~x~4 24), 7772#(<= ULTIMATE.start_main_~x~4 26), 7773#(<= ULTIMATE.start_main_~x~4 28), 7774#(<= ULTIMATE.start_main_~x~4 30), 7775#(<= ULTIMATE.start_main_~x~4 32), 7776#(<= ULTIMATE.start_main_~x~4 34), 7777#(<= ULTIMATE.start_main_~x~4 36), 7778#(<= ULTIMATE.start_main_~x~4 38), 7779#(<= ULTIMATE.start_main_~x~4 40), 7780#(<= ULTIMATE.start_main_~x~4 42), 7781#(<= ULTIMATE.start_main_~x~4 44), 7782#(<= ULTIMATE.start_main_~x~4 46), 7783#(<= ULTIMATE.start_main_~x~4 48), 7784#(<= ULTIMATE.start_main_~x~4 50), 7785#(<= ULTIMATE.start_main_~x~4 52), 7786#(<= ULTIMATE.start_main_~x~4 54), 7787#(<= ULTIMATE.start_main_~x~4 56), 7788#(<= ULTIMATE.start_main_~x~4 58), 7789#(<= ULTIMATE.start_main_~x~4 60), 7790#(<= ULTIMATE.start_main_~x~4 62), 7791#(<= ULTIMATE.start_main_~x~4 64), 7792#(<= ULTIMATE.start_main_~x~4 66), 7793#(<= ULTIMATE.start_main_~x~4 68), 7794#(<= ULTIMATE.start_main_~x~4 70), 7795#(<= ULTIMATE.start_main_~x~4 72), 7796#(<= ULTIMATE.start_main_~x~4 74), 7797#(<= ULTIMATE.start_main_~x~4 76), 7798#(<= ULTIMATE.start_main_~x~4 78), 7799#(<= ULTIMATE.start_main_~x~4 80), 7800#(<= ULTIMATE.start_main_~x~4 82), 7801#(<= ULTIMATE.start_main_~x~4 84), 7802#(<= ULTIMATE.start_main_~x~4 86), 7803#(<= ULTIMATE.start_main_~x~4 88), 7804#(<= ULTIMATE.start_main_~x~4 90), 7805#(<= ULTIMATE.start_main_~x~4 92), 7806#(<= ULTIMATE.start_main_~x~4 94), 7807#(<= ULTIMATE.start_main_~x~4 96)] [2018-07-23 13:41:37,578 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 13:41:37,578 INFO L450 AbstractCegarLoop]: Interpolant automaton has 54 states [2018-07-23 13:41:37,579 INFO L132 InterpolantAutomaton]: Constructing interpolant automaton starting with 54 interpolants. [2018-07-23 13:41:37,580 INFO L133 InterpolantAutomaton]: CoverageRelationStatistics Valid=1431, Invalid=1431, Unknown=0, NotChecked=0, Total=2862 [2018-07-23 13:41:37,580 INFO L87 Difference]: Start difference. First operand 55 states and 55 transitions. Second operand 54 states. [2018-07-23 13:41:37,611 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2018-07-23 13:41:37,611 INFO L93 Difference]: Finished difference Result 58 states and 58 transitions. [2018-07-23 13:41:37,611 INFO L142 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 54 states. [2018-07-23 13:41:37,612 INFO L78 Accepts]: Start accepts. Automaton has 54 states. Word has length 54 [2018-07-23 13:41:37,612 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2018-07-23 13:41:37,612 INFO L225 Difference]: With dead ends: 58 [2018-07-23 13:41:37,612 INFO L226 Difference]: Without dead ends: 56 [2018-07-23 13:41:37,613 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 13:41:37,613 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 56 states. [2018-07-23 13:41:37,616 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 56 to 56. [2018-07-23 13:41:37,616 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 56 states. [2018-07-23 13:41:37,616 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 56 states to 56 states and 56 transitions. [2018-07-23 13:41:37,616 INFO L78 Accepts]: Start accepts. Automaton has 56 states and 56 transitions. Word has length 54 [2018-07-23 13:41:37,616 INFO L84 Accepts]: Finished accepts. word is rejected. [2018-07-23 13:41:37,617 INFO L471 AbstractCegarLoop]: Abstraction has 56 states and 56 transitions. [2018-07-23 13:41:37,617 INFO L472 AbstractCegarLoop]: Interpolant automaton has 54 states. [2018-07-23 13:41:37,617 INFO L276 IsEmpty]: Start isEmpty. Operand 56 states and 56 transitions. [2018-07-23 13:41:37,617 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 56 [2018-07-23 13:41:37,617 INFO L349 BasicCegarLoop]: Found error trace [2018-07-23 13:41:37,617 INFO L357 BasicCegarLoop]: trace histogram [52, 1, 1, 1] [2018-07-23 13:41:37,618 INFO L414 AbstractCegarLoop]: === Iteration 53 === [ULTIMATE.startErr0AssertViolationASSERT]=== [2018-07-23 13:41:37,618 INFO L82 PathProgramCache]: Analyzing trace with hash -579924991, now seen corresponding path program 52 times [2018-07-23 13:41:37,618 INFO L69 tionRefinementEngine]: Using refinement strategy FixedRefinementStrategy [2018-07-23 13:41:37,629 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-07-23 13:41:37,837 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 13:41:37,838 INFO L309 seRefinementStrategy]: Constructing automaton from 0 perfect and 1 imperfect interpolant sequences. [2018-07-23 13:41:37,838 INFO L324 seRefinementStrategy]: Number of different interpolants: perfect sequences [] imperfect sequences [54] total 54 [2018-07-23 13:41:37,838 INFO L142 lantAutomatonBuilder]: Constructing canonical interpolant automaton, with selfloop in false state [2018-07-23 13:41:37,838 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2018-07-23 13:41:37,839 INFO L185 omatonBuilderFactory]: Interpolants [8064#(<= ULTIMATE.start_main_~x~4 46), 8065#(<= ULTIMATE.start_main_~x~4 48), 8066#(<= ULTIMATE.start_main_~x~4 50), 8067#(<= ULTIMATE.start_main_~x~4 52), 8068#(<= ULTIMATE.start_main_~x~4 54), 8069#(<= ULTIMATE.start_main_~x~4 56), 8070#(<= ULTIMATE.start_main_~x~4 58), 8071#(<= ULTIMATE.start_main_~x~4 60), 8072#(<= ULTIMATE.start_main_~x~4 62), 8073#(<= ULTIMATE.start_main_~x~4 64), 8074#(<= ULTIMATE.start_main_~x~4 66), 8075#(<= ULTIMATE.start_main_~x~4 68), 8076#(<= ULTIMATE.start_main_~x~4 70), 8077#(<= ULTIMATE.start_main_~x~4 72), 8078#(<= ULTIMATE.start_main_~x~4 74), 8079#(<= ULTIMATE.start_main_~x~4 76), 8080#(<= ULTIMATE.start_main_~x~4 78), 8081#(<= ULTIMATE.start_main_~x~4 80), 8082#(<= ULTIMATE.start_main_~x~4 82), 8083#(<= ULTIMATE.start_main_~x~4 84), 8084#(<= ULTIMATE.start_main_~x~4 86), 8085#(<= ULTIMATE.start_main_~x~4 88), 8086#(<= ULTIMATE.start_main_~x~4 90), 8087#(<= ULTIMATE.start_main_~x~4 92), 8088#(<= ULTIMATE.start_main_~x~4 94), 8089#(<= ULTIMATE.start_main_~x~4 96), 8090#(<= ULTIMATE.start_main_~x~4 98), 8091#(<= ULTIMATE.start_main_~x~4 100), 8092#(<= ULTIMATE.start_main_~x~4 102), 8093#(<= ULTIMATE.start_main_~x~4 104), 8094#(<= ULTIMATE.start_main_~x~4 106), 8095#(<= ULTIMATE.start_main_~x~4 108), 8096#(<= ULTIMATE.start_main_~x~4 110), 8097#(<= ULTIMATE.start_main_~x~4 112), 8098#(<= ULTIMATE.start_main_~x~4 114), 8044#true, 8045#false, 8046#(<= ULTIMATE.start_main_~x~4 10), 8047#(<= ULTIMATE.start_main_~x~4 12), 8048#(<= ULTIMATE.start_main_~x~4 14), 8049#(<= ULTIMATE.start_main_~x~4 16), 8050#(<= ULTIMATE.start_main_~x~4 18), 8051#(<= ULTIMATE.start_main_~x~4 20), 8052#(<= ULTIMATE.start_main_~x~4 22), 8053#(<= ULTIMATE.start_main_~x~4 24), 8054#(<= ULTIMATE.start_main_~x~4 26), 8055#(<= ULTIMATE.start_main_~x~4 28), 8056#(<= ULTIMATE.start_main_~x~4 30), 8057#(<= ULTIMATE.start_main_~x~4 32), 8058#(<= ULTIMATE.start_main_~x~4 34), 8059#(<= ULTIMATE.start_main_~x~4 36), 8060#(<= ULTIMATE.start_main_~x~4 38), 8061#(<= ULTIMATE.start_main_~x~4 40), 8062#(<= ULTIMATE.start_main_~x~4 42), 8063#(<= ULTIMATE.start_main_~x~4 44)] [2018-07-23 13:41:37,839 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 13:41:37,839 INFO L450 AbstractCegarLoop]: Interpolant automaton has 55 states [2018-07-23 13:41:37,840 INFO L132 InterpolantAutomaton]: Constructing interpolant automaton starting with 55 interpolants. [2018-07-23 13:41:37,843 INFO L133 InterpolantAutomaton]: CoverageRelationStatistics Valid=1485, Invalid=1485, Unknown=0, NotChecked=0, Total=2970 [2018-07-23 13:41:37,843 INFO L87 Difference]: Start difference. First operand 56 states and 56 transitions. Second operand 55 states. [2018-07-23 13:41:37,873 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2018-07-23 13:41:37,873 INFO L93 Difference]: Finished difference Result 59 states and 59 transitions. [2018-07-23 13:41:37,874 INFO L142 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 55 states. [2018-07-23 13:41:37,874 INFO L78 Accepts]: Start accepts. Automaton has 55 states. Word has length 55 [2018-07-23 13:41:37,874 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2018-07-23 13:41:37,875 INFO L225 Difference]: With dead ends: 59 [2018-07-23 13:41:37,875 INFO L226 Difference]: Without dead ends: 57 [2018-07-23 13:41:37,876 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 13:41:37,876 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 57 states. [2018-07-23 13:41:37,878 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 57 to 57. [2018-07-23 13:41:37,878 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 57 states. [2018-07-23 13:41:37,878 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 57 states to 57 states and 57 transitions. [2018-07-23 13:41:37,879 INFO L78 Accepts]: Start accepts. Automaton has 57 states and 57 transitions. Word has length 55 [2018-07-23 13:41:37,879 INFO L84 Accepts]: Finished accepts. word is rejected. [2018-07-23 13:41:37,879 INFO L471 AbstractCegarLoop]: Abstraction has 57 states and 57 transitions. [2018-07-23 13:41:37,879 INFO L472 AbstractCegarLoop]: Interpolant automaton has 55 states. [2018-07-23 13:41:37,879 INFO L276 IsEmpty]: Start isEmpty. Operand 57 states and 57 transitions. [2018-07-23 13:41:37,879 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 57 [2018-07-23 13:41:37,880 INFO L349 BasicCegarLoop]: Found error trace [2018-07-23 13:41:37,880 INFO L357 BasicCegarLoop]: trace histogram [53, 1, 1, 1] [2018-07-23 13:41:37,880 INFO L414 AbstractCegarLoop]: === Iteration 54 === [ULTIMATE.startErr0AssertViolationASSERT]=== [2018-07-23 13:41:37,880 INFO L82 PathProgramCache]: Analyzing trace with hash -797807512, now seen corresponding path program 53 times [2018-07-23 13:41:37,880 INFO L69 tionRefinementEngine]: Using refinement strategy FixedRefinementStrategy [2018-07-23 13:41:37,891 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-07-23 13:41:38,098 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 13:41:38,098 INFO L309 seRefinementStrategy]: Constructing automaton from 0 perfect and 1 imperfect interpolant sequences. [2018-07-23 13:41:38,098 INFO L324 seRefinementStrategy]: Number of different interpolants: perfect sequences [] imperfect sequences [55] total 55 [2018-07-23 13:41:38,099 INFO L142 lantAutomatonBuilder]: Constructing canonical interpolant automaton, with selfloop in false state [2018-07-23 13:41:38,099 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2018-07-23 13:41:38,099 INFO L185 omatonBuilderFactory]: Interpolants [8331#true, 8332#false, 8333#(<= ULTIMATE.start_main_~x~4 10), 8334#(<= ULTIMATE.start_main_~x~4 12), 8335#(<= ULTIMATE.start_main_~x~4 14), 8336#(<= ULTIMATE.start_main_~x~4 16), 8337#(<= ULTIMATE.start_main_~x~4 18), 8338#(<= ULTIMATE.start_main_~x~4 20), 8339#(<= ULTIMATE.start_main_~x~4 22), 8340#(<= ULTIMATE.start_main_~x~4 24), 8341#(<= ULTIMATE.start_main_~x~4 26), 8342#(<= ULTIMATE.start_main_~x~4 28), 8343#(<= ULTIMATE.start_main_~x~4 30), 8344#(<= ULTIMATE.start_main_~x~4 32), 8345#(<= ULTIMATE.start_main_~x~4 34), 8346#(<= ULTIMATE.start_main_~x~4 36), 8347#(<= ULTIMATE.start_main_~x~4 38), 8348#(<= ULTIMATE.start_main_~x~4 40), 8349#(<= ULTIMATE.start_main_~x~4 42), 8350#(<= ULTIMATE.start_main_~x~4 44), 8351#(<= ULTIMATE.start_main_~x~4 46), 8352#(<= ULTIMATE.start_main_~x~4 48), 8353#(<= ULTIMATE.start_main_~x~4 50), 8354#(<= ULTIMATE.start_main_~x~4 52), 8355#(<= ULTIMATE.start_main_~x~4 54), 8356#(<= ULTIMATE.start_main_~x~4 56), 8357#(<= ULTIMATE.start_main_~x~4 58), 8358#(<= ULTIMATE.start_main_~x~4 60), 8359#(<= ULTIMATE.start_main_~x~4 62), 8360#(<= ULTIMATE.start_main_~x~4 64), 8361#(<= ULTIMATE.start_main_~x~4 66), 8362#(<= ULTIMATE.start_main_~x~4 68), 8363#(<= ULTIMATE.start_main_~x~4 70), 8364#(<= ULTIMATE.start_main_~x~4 72), 8365#(<= ULTIMATE.start_main_~x~4 74), 8366#(<= ULTIMATE.start_main_~x~4 76), 8367#(<= ULTIMATE.start_main_~x~4 78), 8368#(<= ULTIMATE.start_main_~x~4 80), 8369#(<= ULTIMATE.start_main_~x~4 82), 8370#(<= ULTIMATE.start_main_~x~4 84), 8371#(<= ULTIMATE.start_main_~x~4 86), 8372#(<= ULTIMATE.start_main_~x~4 88), 8373#(<= ULTIMATE.start_main_~x~4 90), 8374#(<= ULTIMATE.start_main_~x~4 92), 8375#(<= ULTIMATE.start_main_~x~4 94), 8376#(<= ULTIMATE.start_main_~x~4 96), 8377#(<= ULTIMATE.start_main_~x~4 98), 8378#(<= ULTIMATE.start_main_~x~4 100), 8379#(<= ULTIMATE.start_main_~x~4 102), 8380#(<= ULTIMATE.start_main_~x~4 104), 8381#(<= ULTIMATE.start_main_~x~4 106), 8382#(<= ULTIMATE.start_main_~x~4 108), 8383#(<= ULTIMATE.start_main_~x~4 110), 8384#(<= ULTIMATE.start_main_~x~4 112), 8385#(<= ULTIMATE.start_main_~x~4 114), 8386#(<= ULTIMATE.start_main_~x~4 116)] [2018-07-23 13:41:38,100 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 13:41:38,100 INFO L450 AbstractCegarLoop]: Interpolant automaton has 56 states [2018-07-23 13:41:38,100 INFO L132 InterpolantAutomaton]: Constructing interpolant automaton starting with 56 interpolants. [2018-07-23 13:41:38,101 INFO L133 InterpolantAutomaton]: CoverageRelationStatistics Valid=1540, Invalid=1540, Unknown=0, NotChecked=0, Total=3080 [2018-07-23 13:41:38,101 INFO L87 Difference]: Start difference. First operand 57 states and 57 transitions. Second operand 56 states. [2018-07-23 13:41:38,139 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2018-07-23 13:41:38,139 INFO L93 Difference]: Finished difference Result 60 states and 60 transitions. [2018-07-23 13:41:38,140 INFO L142 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 56 states. [2018-07-23 13:41:38,140 INFO L78 Accepts]: Start accepts. Automaton has 56 states. Word has length 56 [2018-07-23 13:41:38,140 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2018-07-23 13:41:38,140 INFO L225 Difference]: With dead ends: 60 [2018-07-23 13:41:38,141 INFO L226 Difference]: Without dead ends: 58 [2018-07-23 13:41:38,143 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 13:41:38,143 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 58 states. [2018-07-23 13:41:38,144 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 58 to 58. [2018-07-23 13:41:38,145 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 58 states. [2018-07-23 13:41:38,145 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 58 states to 58 states and 58 transitions. [2018-07-23 13:41:38,145 INFO L78 Accepts]: Start accepts. Automaton has 58 states and 58 transitions. Word has length 56 [2018-07-23 13:41:38,145 INFO L84 Accepts]: Finished accepts. word is rejected. [2018-07-23 13:41:38,145 INFO L471 AbstractCegarLoop]: Abstraction has 58 states and 58 transitions. [2018-07-23 13:41:38,146 INFO L472 AbstractCegarLoop]: Interpolant automaton has 56 states. [2018-07-23 13:41:38,146 INFO L276 IsEmpty]: Start isEmpty. Operand 58 states and 58 transitions. [2018-07-23 13:41:38,146 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 58 [2018-07-23 13:41:38,146 INFO L349 BasicCegarLoop]: Found error trace [2018-07-23 13:41:38,146 INFO L357 BasicCegarLoop]: trace histogram [54, 1, 1, 1] [2018-07-23 13:41:38,146 INFO L414 AbstractCegarLoop]: === Iteration 55 === [ULTIMATE.startErr0AssertViolationASSERT]=== [2018-07-23 13:41:38,147 INFO L82 PathProgramCache]: Analyzing trace with hash 1037768929, now seen corresponding path program 54 times [2018-07-23 13:41:38,147 INFO L69 tionRefinementEngine]: Using refinement strategy FixedRefinementStrategy [2018-07-23 13:41:38,159 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-07-23 13:41:38,370 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 13:41:38,371 INFO L309 seRefinementStrategy]: Constructing automaton from 0 perfect and 1 imperfect interpolant sequences. [2018-07-23 13:41:38,371 INFO L324 seRefinementStrategy]: Number of different interpolants: perfect sequences [] imperfect sequences [56] total 56 [2018-07-23 13:41:38,371 INFO L142 lantAutomatonBuilder]: Constructing canonical interpolant automaton, with selfloop in false state [2018-07-23 13:41:38,372 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2018-07-23 13:41:38,372 INFO L185 omatonBuilderFactory]: Interpolants [8623#true, 8624#false, 8625#(<= ULTIMATE.start_main_~x~4 10), 8626#(<= ULTIMATE.start_main_~x~4 12), 8627#(<= ULTIMATE.start_main_~x~4 14), 8628#(<= ULTIMATE.start_main_~x~4 16), 8629#(<= ULTIMATE.start_main_~x~4 18), 8630#(<= ULTIMATE.start_main_~x~4 20), 8631#(<= ULTIMATE.start_main_~x~4 22), 8632#(<= ULTIMATE.start_main_~x~4 24), 8633#(<= ULTIMATE.start_main_~x~4 26), 8634#(<= ULTIMATE.start_main_~x~4 28), 8635#(<= ULTIMATE.start_main_~x~4 30), 8636#(<= ULTIMATE.start_main_~x~4 32), 8637#(<= ULTIMATE.start_main_~x~4 34), 8638#(<= ULTIMATE.start_main_~x~4 36), 8639#(<= ULTIMATE.start_main_~x~4 38), 8640#(<= ULTIMATE.start_main_~x~4 40), 8641#(<= ULTIMATE.start_main_~x~4 42), 8642#(<= ULTIMATE.start_main_~x~4 44), 8643#(<= ULTIMATE.start_main_~x~4 46), 8644#(<= ULTIMATE.start_main_~x~4 48), 8645#(<= ULTIMATE.start_main_~x~4 50), 8646#(<= ULTIMATE.start_main_~x~4 52), 8647#(<= ULTIMATE.start_main_~x~4 54), 8648#(<= ULTIMATE.start_main_~x~4 56), 8649#(<= ULTIMATE.start_main_~x~4 58), 8650#(<= ULTIMATE.start_main_~x~4 60), 8651#(<= ULTIMATE.start_main_~x~4 62), 8652#(<= ULTIMATE.start_main_~x~4 64), 8653#(<= ULTIMATE.start_main_~x~4 66), 8654#(<= ULTIMATE.start_main_~x~4 68), 8655#(<= ULTIMATE.start_main_~x~4 70), 8656#(<= ULTIMATE.start_main_~x~4 72), 8657#(<= ULTIMATE.start_main_~x~4 74), 8658#(<= ULTIMATE.start_main_~x~4 76), 8659#(<= ULTIMATE.start_main_~x~4 78), 8660#(<= ULTIMATE.start_main_~x~4 80), 8661#(<= ULTIMATE.start_main_~x~4 82), 8662#(<= ULTIMATE.start_main_~x~4 84), 8663#(<= ULTIMATE.start_main_~x~4 86), 8664#(<= ULTIMATE.start_main_~x~4 88), 8665#(<= ULTIMATE.start_main_~x~4 90), 8666#(<= ULTIMATE.start_main_~x~4 92), 8667#(<= ULTIMATE.start_main_~x~4 94), 8668#(<= ULTIMATE.start_main_~x~4 96), 8669#(<= ULTIMATE.start_main_~x~4 98), 8670#(<= ULTIMATE.start_main_~x~4 100), 8671#(<= ULTIMATE.start_main_~x~4 102), 8672#(<= ULTIMATE.start_main_~x~4 104), 8673#(<= ULTIMATE.start_main_~x~4 106), 8674#(<= ULTIMATE.start_main_~x~4 108), 8675#(<= ULTIMATE.start_main_~x~4 110), 8676#(<= ULTIMATE.start_main_~x~4 112), 8677#(<= ULTIMATE.start_main_~x~4 114), 8678#(<= ULTIMATE.start_main_~x~4 116), 8679#(<= ULTIMATE.start_main_~x~4 118)] [2018-07-23 13:41:38,373 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 13:41:38,373 INFO L450 AbstractCegarLoop]: Interpolant automaton has 57 states [2018-07-23 13:41:38,373 INFO L132 InterpolantAutomaton]: Constructing interpolant automaton starting with 57 interpolants. [2018-07-23 13:41:38,374 INFO L133 InterpolantAutomaton]: CoverageRelationStatistics Valid=1596, Invalid=1596, Unknown=0, NotChecked=0, Total=3192 [2018-07-23 13:41:38,375 INFO L87 Difference]: Start difference. First operand 58 states and 58 transitions. Second operand 57 states. [2018-07-23 13:41:38,416 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2018-07-23 13:41:38,416 INFO L93 Difference]: Finished difference Result 61 states and 61 transitions. [2018-07-23 13:41:38,417 INFO L142 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 57 states. [2018-07-23 13:41:38,417 INFO L78 Accepts]: Start accepts. Automaton has 57 states. Word has length 57 [2018-07-23 13:41:38,417 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2018-07-23 13:41:38,418 INFO L225 Difference]: With dead ends: 61 [2018-07-23 13:41:38,418 INFO L226 Difference]: Without dead ends: 59 [2018-07-23 13:41:38,419 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 13:41:38,419 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 59 states. [2018-07-23 13:41:38,422 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 59 to 59. [2018-07-23 13:41:38,422 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 59 states. [2018-07-23 13:41:38,422 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 59 states to 59 states and 59 transitions. [2018-07-23 13:41:38,422 INFO L78 Accepts]: Start accepts. Automaton has 59 states and 59 transitions. Word has length 57 [2018-07-23 13:41:38,423 INFO L84 Accepts]: Finished accepts. word is rejected. [2018-07-23 13:41:38,423 INFO L471 AbstractCegarLoop]: Abstraction has 59 states and 59 transitions. [2018-07-23 13:41:38,423 INFO L472 AbstractCegarLoop]: Interpolant automaton has 57 states. [2018-07-23 13:41:38,423 INFO L276 IsEmpty]: Start isEmpty. Operand 59 states and 59 transitions. [2018-07-23 13:41:38,423 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 59 [2018-07-23 13:41:38,424 INFO L349 BasicCegarLoop]: Found error trace [2018-07-23 13:41:38,424 INFO L357 BasicCegarLoop]: trace histogram [55, 1, 1, 1] [2018-07-23 13:41:38,424 INFO L414 AbstractCegarLoop]: === Iteration 56 === [ULTIMATE.startErr0AssertViolationASSERT]=== [2018-07-23 13:41:38,424 INFO L82 PathProgramCache]: Analyzing trace with hash 2106063752, now seen corresponding path program 55 times [2018-07-23 13:41:38,424 INFO L69 tionRefinementEngine]: Using refinement strategy FixedRefinementStrategy [2018-07-23 13:41:38,436 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-07-23 13:41:38,700 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 13:41:38,700 INFO L309 seRefinementStrategy]: Constructing automaton from 0 perfect and 1 imperfect interpolant sequences. [2018-07-23 13:41:38,700 INFO L324 seRefinementStrategy]: Number of different interpolants: perfect sequences [] imperfect sequences [57] total 57 [2018-07-23 13:41:38,701 INFO L142 lantAutomatonBuilder]: Constructing canonical interpolant automaton, with selfloop in false state [2018-07-23 13:41:38,701 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2018-07-23 13:41:38,702 INFO L185 omatonBuilderFactory]: Interpolants [8960#(<= ULTIMATE.start_main_~x~4 86), 8961#(<= ULTIMATE.start_main_~x~4 88), 8962#(<= ULTIMATE.start_main_~x~4 90), 8963#(<= ULTIMATE.start_main_~x~4 92), 8964#(<= ULTIMATE.start_main_~x~4 94), 8965#(<= ULTIMATE.start_main_~x~4 96), 8966#(<= ULTIMATE.start_main_~x~4 98), 8967#(<= ULTIMATE.start_main_~x~4 100), 8968#(<= ULTIMATE.start_main_~x~4 102), 8969#(<= ULTIMATE.start_main_~x~4 104), 8970#(<= ULTIMATE.start_main_~x~4 106), 8971#(<= ULTIMATE.start_main_~x~4 108), 8972#(<= ULTIMATE.start_main_~x~4 110), 8973#(<= ULTIMATE.start_main_~x~4 112), 8974#(<= ULTIMATE.start_main_~x~4 114), 8975#(<= ULTIMATE.start_main_~x~4 116), 8976#(<= ULTIMATE.start_main_~x~4 118), 8977#(<= ULTIMATE.start_main_~x~4 120), 8920#true, 8921#false, 8922#(<= ULTIMATE.start_main_~x~4 10), 8923#(<= ULTIMATE.start_main_~x~4 12), 8924#(<= ULTIMATE.start_main_~x~4 14), 8925#(<= ULTIMATE.start_main_~x~4 16), 8926#(<= ULTIMATE.start_main_~x~4 18), 8927#(<= ULTIMATE.start_main_~x~4 20), 8928#(<= ULTIMATE.start_main_~x~4 22), 8929#(<= ULTIMATE.start_main_~x~4 24), 8930#(<= ULTIMATE.start_main_~x~4 26), 8931#(<= ULTIMATE.start_main_~x~4 28), 8932#(<= ULTIMATE.start_main_~x~4 30), 8933#(<= ULTIMATE.start_main_~x~4 32), 8934#(<= ULTIMATE.start_main_~x~4 34), 8935#(<= ULTIMATE.start_main_~x~4 36), 8936#(<= ULTIMATE.start_main_~x~4 38), 8937#(<= ULTIMATE.start_main_~x~4 40), 8938#(<= ULTIMATE.start_main_~x~4 42), 8939#(<= ULTIMATE.start_main_~x~4 44), 8940#(<= ULTIMATE.start_main_~x~4 46), 8941#(<= ULTIMATE.start_main_~x~4 48), 8942#(<= ULTIMATE.start_main_~x~4 50), 8943#(<= ULTIMATE.start_main_~x~4 52), 8944#(<= ULTIMATE.start_main_~x~4 54), 8945#(<= ULTIMATE.start_main_~x~4 56), 8946#(<= ULTIMATE.start_main_~x~4 58), 8947#(<= ULTIMATE.start_main_~x~4 60), 8948#(<= ULTIMATE.start_main_~x~4 62), 8949#(<= ULTIMATE.start_main_~x~4 64), 8950#(<= ULTIMATE.start_main_~x~4 66), 8951#(<= ULTIMATE.start_main_~x~4 68), 8952#(<= ULTIMATE.start_main_~x~4 70), 8953#(<= ULTIMATE.start_main_~x~4 72), 8954#(<= ULTIMATE.start_main_~x~4 74), 8955#(<= ULTIMATE.start_main_~x~4 76), 8956#(<= ULTIMATE.start_main_~x~4 78), 8957#(<= ULTIMATE.start_main_~x~4 80), 8958#(<= ULTIMATE.start_main_~x~4 82), 8959#(<= ULTIMATE.start_main_~x~4 84)] [2018-07-23 13:41:38,702 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 13:41:38,702 INFO L450 AbstractCegarLoop]: Interpolant automaton has 58 states [2018-07-23 13:41:38,703 INFO L132 InterpolantAutomaton]: Constructing interpolant automaton starting with 58 interpolants. [2018-07-23 13:41:38,704 INFO L133 InterpolantAutomaton]: CoverageRelationStatistics Valid=1653, Invalid=1653, Unknown=0, NotChecked=0, Total=3306 [2018-07-23 13:41:38,704 INFO L87 Difference]: Start difference. First operand 59 states and 59 transitions. Second operand 58 states. [2018-07-23 13:41:38,739 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2018-07-23 13:41:38,740 INFO L93 Difference]: Finished difference Result 62 states and 62 transitions. [2018-07-23 13:41:38,740 INFO L142 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 58 states. [2018-07-23 13:41:38,740 INFO L78 Accepts]: Start accepts. Automaton has 58 states. Word has length 58 [2018-07-23 13:41:38,740 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2018-07-23 13:41:38,741 INFO L225 Difference]: With dead ends: 62 [2018-07-23 13:41:38,741 INFO L226 Difference]: Without dead ends: 60 [2018-07-23 13:41:38,742 INFO L575 BasicCegarLoop]: 0 DeclaredPredicates, 57 GetRequests, 1 SyntacticMatches, 0 SemanticMatches, 56 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 0 ImplicationChecksByTransitivity, 0.2s TimeCoverageRelationStatistics Valid=1653, Invalid=1653, Unknown=0, NotChecked=0, Total=3306 [2018-07-23 13:41:38,743 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 60 states. [2018-07-23 13:41:38,745 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 60 to 60. [2018-07-23 13:41:38,745 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 60 states. [2018-07-23 13:41:38,746 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 60 states to 60 states and 60 transitions. [2018-07-23 13:41:38,746 INFO L78 Accepts]: Start accepts. Automaton has 60 states and 60 transitions. Word has length 58 [2018-07-23 13:41:38,746 INFO L84 Accepts]: Finished accepts. word is rejected. [2018-07-23 13:41:38,746 INFO L471 AbstractCegarLoop]: Abstraction has 60 states and 60 transitions. [2018-07-23 13:41:38,747 INFO L472 AbstractCegarLoop]: Interpolant automaton has 58 states. [2018-07-23 13:41:38,747 INFO L276 IsEmpty]: Start isEmpty. Operand 60 states and 60 transitions. [2018-07-23 13:41:38,747 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 60 [2018-07-23 13:41:38,748 INFO L349 BasicCegarLoop]: Found error trace [2018-07-23 13:41:38,748 INFO L357 BasicCegarLoop]: trace histogram [56, 1, 1, 1] [2018-07-23 13:41:38,748 INFO L414 AbstractCegarLoop]: === Iteration 57 === [ULTIMATE.startErr0AssertViolationASSERT]=== [2018-07-23 13:41:38,748 INFO L82 PathProgramCache]: Analyzing trace with hash 863464897, now seen corresponding path program 56 times [2018-07-23 13:41:38,749 INFO L69 tionRefinementEngine]: Using refinement strategy FixedRefinementStrategy [2018-07-23 13:41:38,761 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-07-23 13:41:39,068 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 13:41:39,068 INFO L309 seRefinementStrategy]: Constructing automaton from 0 perfect and 1 imperfect interpolant sequences. [2018-07-23 13:41:39,069 INFO L324 seRefinementStrategy]: Number of different interpolants: perfect sequences [] imperfect sequences [58] total 58 [2018-07-23 13:41:39,069 INFO L142 lantAutomatonBuilder]: Constructing canonical interpolant automaton, with selfloop in false state [2018-07-23 13:41:39,069 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2018-07-23 13:41:39,070 INFO L185 omatonBuilderFactory]: Interpolants [9222#true, 9223#false, 9224#(<= ULTIMATE.start_main_~x~4 10), 9225#(<= ULTIMATE.start_main_~x~4 12), 9226#(<= ULTIMATE.start_main_~x~4 14), 9227#(<= ULTIMATE.start_main_~x~4 16), 9228#(<= ULTIMATE.start_main_~x~4 18), 9229#(<= ULTIMATE.start_main_~x~4 20), 9230#(<= ULTIMATE.start_main_~x~4 22), 9231#(<= ULTIMATE.start_main_~x~4 24), 9232#(<= ULTIMATE.start_main_~x~4 26), 9233#(<= ULTIMATE.start_main_~x~4 28), 9234#(<= ULTIMATE.start_main_~x~4 30), 9235#(<= ULTIMATE.start_main_~x~4 32), 9236#(<= ULTIMATE.start_main_~x~4 34), 9237#(<= ULTIMATE.start_main_~x~4 36), 9238#(<= ULTIMATE.start_main_~x~4 38), 9239#(<= ULTIMATE.start_main_~x~4 40), 9240#(<= ULTIMATE.start_main_~x~4 42), 9241#(<= ULTIMATE.start_main_~x~4 44), 9242#(<= ULTIMATE.start_main_~x~4 46), 9243#(<= ULTIMATE.start_main_~x~4 48), 9244#(<= ULTIMATE.start_main_~x~4 50), 9245#(<= ULTIMATE.start_main_~x~4 52), 9246#(<= ULTIMATE.start_main_~x~4 54), 9247#(<= ULTIMATE.start_main_~x~4 56), 9248#(<= ULTIMATE.start_main_~x~4 58), 9249#(<= ULTIMATE.start_main_~x~4 60), 9250#(<= ULTIMATE.start_main_~x~4 62), 9251#(<= ULTIMATE.start_main_~x~4 64), 9252#(<= ULTIMATE.start_main_~x~4 66), 9253#(<= ULTIMATE.start_main_~x~4 68), 9254#(<= ULTIMATE.start_main_~x~4 70), 9255#(<= ULTIMATE.start_main_~x~4 72), 9256#(<= ULTIMATE.start_main_~x~4 74), 9257#(<= ULTIMATE.start_main_~x~4 76), 9258#(<= ULTIMATE.start_main_~x~4 78), 9259#(<= ULTIMATE.start_main_~x~4 80), 9260#(<= ULTIMATE.start_main_~x~4 82), 9261#(<= ULTIMATE.start_main_~x~4 84), 9262#(<= ULTIMATE.start_main_~x~4 86), 9263#(<= ULTIMATE.start_main_~x~4 88), 9264#(<= ULTIMATE.start_main_~x~4 90), 9265#(<= ULTIMATE.start_main_~x~4 92), 9266#(<= ULTIMATE.start_main_~x~4 94), 9267#(<= ULTIMATE.start_main_~x~4 96), 9268#(<= ULTIMATE.start_main_~x~4 98), 9269#(<= ULTIMATE.start_main_~x~4 100), 9270#(<= ULTIMATE.start_main_~x~4 102), 9271#(<= ULTIMATE.start_main_~x~4 104), 9272#(<= ULTIMATE.start_main_~x~4 106), 9273#(<= ULTIMATE.start_main_~x~4 108), 9274#(<= ULTIMATE.start_main_~x~4 110), 9275#(<= ULTIMATE.start_main_~x~4 112), 9276#(<= ULTIMATE.start_main_~x~4 114), 9277#(<= ULTIMATE.start_main_~x~4 116), 9278#(<= ULTIMATE.start_main_~x~4 118), 9279#(<= ULTIMATE.start_main_~x~4 120), 9280#(<= ULTIMATE.start_main_~x~4 122)] [2018-07-23 13:41:39,070 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 13:41:39,071 INFO L450 AbstractCegarLoop]: Interpolant automaton has 59 states [2018-07-23 13:41:39,071 INFO L132 InterpolantAutomaton]: Constructing interpolant automaton starting with 59 interpolants. [2018-07-23 13:41:39,072 INFO L133 InterpolantAutomaton]: CoverageRelationStatistics Valid=1711, Invalid=1711, Unknown=0, NotChecked=0, Total=3422 [2018-07-23 13:41:39,072 INFO L87 Difference]: Start difference. First operand 60 states and 60 transitions. Second operand 59 states. [2018-07-23 13:41:39,117 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2018-07-23 13:41:39,117 INFO L93 Difference]: Finished difference Result 63 states and 63 transitions. [2018-07-23 13:41:39,117 INFO L142 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 59 states. [2018-07-23 13:41:39,117 INFO L78 Accepts]: Start accepts. Automaton has 59 states. Word has length 59 [2018-07-23 13:41:39,117 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2018-07-23 13:41:39,118 INFO L225 Difference]: With dead ends: 63 [2018-07-23 13:41:39,118 INFO L226 Difference]: Without dead ends: 61 [2018-07-23 13:41:39,119 INFO L575 BasicCegarLoop]: 0 DeclaredPredicates, 58 GetRequests, 1 SyntacticMatches, 0 SemanticMatches, 57 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 0 ImplicationChecksByTransitivity, 0.2s TimeCoverageRelationStatistics Valid=1711, Invalid=1711, Unknown=0, NotChecked=0, Total=3422 [2018-07-23 13:41:39,119 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 61 states. [2018-07-23 13:41:39,121 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 61 to 61. [2018-07-23 13:41:39,121 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 61 states. [2018-07-23 13:41:39,122 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 61 states to 61 states and 61 transitions. [2018-07-23 13:41:39,122 INFO L78 Accepts]: Start accepts. Automaton has 61 states and 61 transitions. Word has length 59 [2018-07-23 13:41:39,122 INFO L84 Accepts]: Finished accepts. word is rejected. [2018-07-23 13:41:39,122 INFO L471 AbstractCegarLoop]: Abstraction has 61 states and 61 transitions. [2018-07-23 13:41:39,122 INFO L472 AbstractCegarLoop]: Interpolant automaton has 59 states. [2018-07-23 13:41:39,122 INFO L276 IsEmpty]: Start isEmpty. Operand 61 states and 61 transitions. [2018-07-23 13:41:39,123 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 61 [2018-07-23 13:41:39,123 INFO L349 BasicCegarLoop]: Found error trace [2018-07-23 13:41:39,123 INFO L357 BasicCegarLoop]: trace histogram [57, 1, 1, 1] [2018-07-23 13:41:39,123 INFO L414 AbstractCegarLoop]: === Iteration 58 === [ULTIMATE.startErr0AssertViolationASSERT]=== [2018-07-23 13:41:39,124 INFO L82 PathProgramCache]: Analyzing trace with hash 997606056, now seen corresponding path program 57 times [2018-07-23 13:41:39,124 INFO L69 tionRefinementEngine]: Using refinement strategy FixedRefinementStrategy [2018-07-23 13:41:39,131 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-07-23 13:41:39,343 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 13:41:39,344 INFO L309 seRefinementStrategy]: Constructing automaton from 0 perfect and 1 imperfect interpolant sequences. [2018-07-23 13:41:39,344 INFO L324 seRefinementStrategy]: Number of different interpolants: perfect sequences [] imperfect sequences [59] total 59 [2018-07-23 13:41:39,344 INFO L142 lantAutomatonBuilder]: Constructing canonical interpolant automaton, with selfloop in false state [2018-07-23 13:41:39,344 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2018-07-23 13:41:39,345 INFO L185 omatonBuilderFactory]: Interpolants [9529#true, 9530#false, 9531#(<= ULTIMATE.start_main_~x~4 10), 9532#(<= ULTIMATE.start_main_~x~4 12), 9533#(<= ULTIMATE.start_main_~x~4 14), 9534#(<= ULTIMATE.start_main_~x~4 16), 9535#(<= ULTIMATE.start_main_~x~4 18), 9536#(<= ULTIMATE.start_main_~x~4 20), 9537#(<= ULTIMATE.start_main_~x~4 22), 9538#(<= ULTIMATE.start_main_~x~4 24), 9539#(<= ULTIMATE.start_main_~x~4 26), 9540#(<= ULTIMATE.start_main_~x~4 28), 9541#(<= ULTIMATE.start_main_~x~4 30), 9542#(<= ULTIMATE.start_main_~x~4 32), 9543#(<= ULTIMATE.start_main_~x~4 34), 9544#(<= ULTIMATE.start_main_~x~4 36), 9545#(<= ULTIMATE.start_main_~x~4 38), 9546#(<= ULTIMATE.start_main_~x~4 40), 9547#(<= ULTIMATE.start_main_~x~4 42), 9548#(<= ULTIMATE.start_main_~x~4 44), 9549#(<= ULTIMATE.start_main_~x~4 46), 9550#(<= ULTIMATE.start_main_~x~4 48), 9551#(<= ULTIMATE.start_main_~x~4 50), 9552#(<= ULTIMATE.start_main_~x~4 52), 9553#(<= ULTIMATE.start_main_~x~4 54), 9554#(<= ULTIMATE.start_main_~x~4 56), 9555#(<= ULTIMATE.start_main_~x~4 58), 9556#(<= ULTIMATE.start_main_~x~4 60), 9557#(<= ULTIMATE.start_main_~x~4 62), 9558#(<= ULTIMATE.start_main_~x~4 64), 9559#(<= ULTIMATE.start_main_~x~4 66), 9560#(<= ULTIMATE.start_main_~x~4 68), 9561#(<= ULTIMATE.start_main_~x~4 70), 9562#(<= ULTIMATE.start_main_~x~4 72), 9563#(<= ULTIMATE.start_main_~x~4 74), 9564#(<= ULTIMATE.start_main_~x~4 76), 9565#(<= ULTIMATE.start_main_~x~4 78), 9566#(<= ULTIMATE.start_main_~x~4 80), 9567#(<= ULTIMATE.start_main_~x~4 82), 9568#(<= ULTIMATE.start_main_~x~4 84), 9569#(<= ULTIMATE.start_main_~x~4 86), 9570#(<= ULTIMATE.start_main_~x~4 88), 9571#(<= ULTIMATE.start_main_~x~4 90), 9572#(<= ULTIMATE.start_main_~x~4 92), 9573#(<= ULTIMATE.start_main_~x~4 94), 9574#(<= ULTIMATE.start_main_~x~4 96), 9575#(<= ULTIMATE.start_main_~x~4 98), 9576#(<= ULTIMATE.start_main_~x~4 100), 9577#(<= ULTIMATE.start_main_~x~4 102), 9578#(<= ULTIMATE.start_main_~x~4 104), 9579#(<= ULTIMATE.start_main_~x~4 106), 9580#(<= ULTIMATE.start_main_~x~4 108), 9581#(<= ULTIMATE.start_main_~x~4 110), 9582#(<= ULTIMATE.start_main_~x~4 112), 9583#(<= ULTIMATE.start_main_~x~4 114), 9584#(<= ULTIMATE.start_main_~x~4 116), 9585#(<= ULTIMATE.start_main_~x~4 118), 9586#(<= ULTIMATE.start_main_~x~4 120), 9587#(<= ULTIMATE.start_main_~x~4 122), 9588#(<= ULTIMATE.start_main_~x~4 124)] [2018-07-23 13:41:39,345 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 13:41:39,345 INFO L450 AbstractCegarLoop]: Interpolant automaton has 60 states [2018-07-23 13:41:39,346 INFO L132 InterpolantAutomaton]: Constructing interpolant automaton starting with 60 interpolants. [2018-07-23 13:41:39,347 INFO L133 InterpolantAutomaton]: CoverageRelationStatistics Valid=1770, Invalid=1770, Unknown=0, NotChecked=0, Total=3540 [2018-07-23 13:41:39,347 INFO L87 Difference]: Start difference. First operand 61 states and 61 transitions. Second operand 60 states. [2018-07-23 13:41:39,395 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2018-07-23 13:41:39,395 INFO L93 Difference]: Finished difference Result 64 states and 64 transitions. [2018-07-23 13:41:39,395 INFO L142 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 60 states. [2018-07-23 13:41:39,395 INFO L78 Accepts]: Start accepts. Automaton has 60 states. Word has length 60 [2018-07-23 13:41:39,396 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2018-07-23 13:41:39,396 INFO L225 Difference]: With dead ends: 64 [2018-07-23 13:41:39,396 INFO L226 Difference]: Without dead ends: 62 [2018-07-23 13:41:39,397 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 13:41:39,398 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 62 states. [2018-07-23 13:41:39,400 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 62 to 62. [2018-07-23 13:41:39,400 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 62 states. [2018-07-23 13:41:39,400 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 62 states to 62 states and 62 transitions. [2018-07-23 13:41:39,400 INFO L78 Accepts]: Start accepts. Automaton has 62 states and 62 transitions. Word has length 60 [2018-07-23 13:41:39,401 INFO L84 Accepts]: Finished accepts. word is rejected. [2018-07-23 13:41:39,401 INFO L471 AbstractCegarLoop]: Abstraction has 62 states and 62 transitions. [2018-07-23 13:41:39,401 INFO L472 AbstractCegarLoop]: Interpolant automaton has 60 states. [2018-07-23 13:41:39,401 INFO L276 IsEmpty]: Start isEmpty. Operand 62 states and 62 transitions. [2018-07-23 13:41:39,401 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 62 [2018-07-23 13:41:39,402 INFO L349 BasicCegarLoop]: Found error trace [2018-07-23 13:41:39,402 INFO L357 BasicCegarLoop]: trace histogram [58, 1, 1, 1] [2018-07-23 13:41:39,402 INFO L414 AbstractCegarLoop]: === Iteration 59 === [ULTIMATE.startErr0AssertViolationASSERT]=== [2018-07-23 13:41:39,402 INFO L82 PathProgramCache]: Analyzing trace with hash 861014689, now seen corresponding path program 58 times [2018-07-23 13:41:39,402 INFO L69 tionRefinementEngine]: Using refinement strategy FixedRefinementStrategy [2018-07-23 13:41:39,411 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-07-23 13:41:39,625 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 13:41:39,625 INFO L309 seRefinementStrategy]: Constructing automaton from 0 perfect and 1 imperfect interpolant sequences. [2018-07-23 13:41:39,625 INFO L324 seRefinementStrategy]: Number of different interpolants: perfect sequences [] imperfect sequences [60] total 60 [2018-07-23 13:41:39,626 INFO L142 lantAutomatonBuilder]: Constructing canonical interpolant automaton, with selfloop in false state [2018-07-23 13:41:39,626 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 13:41:39,626 INFO L185 omatonBuilderFactory]: Interpolants [9856#(<= ULTIMATE.start_main_~x~4 36), 9857#(<= ULTIMATE.start_main_~x~4 38), 9858#(<= ULTIMATE.start_main_~x~4 40), 9859#(<= ULTIMATE.start_main_~x~4 42), 9860#(<= ULTIMATE.start_main_~x~4 44), 9861#(<= ULTIMATE.start_main_~x~4 46), 9862#(<= ULTIMATE.start_main_~x~4 48), 9863#(<= ULTIMATE.start_main_~x~4 50), 9864#(<= ULTIMATE.start_main_~x~4 52), 9865#(<= ULTIMATE.start_main_~x~4 54), 9866#(<= ULTIMATE.start_main_~x~4 56), 9867#(<= ULTIMATE.start_main_~x~4 58), 9868#(<= ULTIMATE.start_main_~x~4 60), 9869#(<= ULTIMATE.start_main_~x~4 62), 9870#(<= ULTIMATE.start_main_~x~4 64), 9871#(<= ULTIMATE.start_main_~x~4 66), 9872#(<= ULTIMATE.start_main_~x~4 68), 9873#(<= ULTIMATE.start_main_~x~4 70), 9874#(<= ULTIMATE.start_main_~x~4 72), 9875#(<= ULTIMATE.start_main_~x~4 74), 9876#(<= ULTIMATE.start_main_~x~4 76), 9877#(<= ULTIMATE.start_main_~x~4 78), 9878#(<= ULTIMATE.start_main_~x~4 80), 9879#(<= ULTIMATE.start_main_~x~4 82), 9880#(<= ULTIMATE.start_main_~x~4 84), 9881#(<= ULTIMATE.start_main_~x~4 86), 9882#(<= ULTIMATE.start_main_~x~4 88), 9883#(<= ULTIMATE.start_main_~x~4 90), 9884#(<= ULTIMATE.start_main_~x~4 92), 9885#(<= ULTIMATE.start_main_~x~4 94), 9886#(<= ULTIMATE.start_main_~x~4 96), 9887#(<= ULTIMATE.start_main_~x~4 98), 9888#(<= ULTIMATE.start_main_~x~4 100), 9889#(<= ULTIMATE.start_main_~x~4 102), 9890#(<= ULTIMATE.start_main_~x~4 104), 9891#(<= ULTIMATE.start_main_~x~4 106), 9892#(<= ULTIMATE.start_main_~x~4 108), 9893#(<= ULTIMATE.start_main_~x~4 110), 9894#(<= ULTIMATE.start_main_~x~4 112), 9895#(<= ULTIMATE.start_main_~x~4 114), 9896#(<= ULTIMATE.start_main_~x~4 116), 9897#(<= ULTIMATE.start_main_~x~4 118), 9898#(<= ULTIMATE.start_main_~x~4 120), 9899#(<= ULTIMATE.start_main_~x~4 122), 9900#(<= ULTIMATE.start_main_~x~4 124), 9901#(<= ULTIMATE.start_main_~x~4 126), 9841#true, 9842#false, 9843#(<= ULTIMATE.start_main_~x~4 10), 9844#(<= ULTIMATE.start_main_~x~4 12), 9845#(<= ULTIMATE.start_main_~x~4 14), 9846#(<= ULTIMATE.start_main_~x~4 16), 9847#(<= ULTIMATE.start_main_~x~4 18), 9848#(<= ULTIMATE.start_main_~x~4 20), 9849#(<= ULTIMATE.start_main_~x~4 22), 9850#(<= ULTIMATE.start_main_~x~4 24), 9851#(<= ULTIMATE.start_main_~x~4 26), 9852#(<= ULTIMATE.start_main_~x~4 28), 9853#(<= ULTIMATE.start_main_~x~4 30), 9854#(<= ULTIMATE.start_main_~x~4 32), 9855#(<= ULTIMATE.start_main_~x~4 34)] [2018-07-23 13:41:39,627 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 13:41:39,627 INFO L450 AbstractCegarLoop]: Interpolant automaton has 61 states [2018-07-23 13:41:39,628 INFO L132 InterpolantAutomaton]: Constructing interpolant automaton starting with 61 interpolants. [2018-07-23 13:41:39,629 INFO L133 InterpolantAutomaton]: CoverageRelationStatistics Valid=1830, Invalid=1830, Unknown=0, NotChecked=0, Total=3660 [2018-07-23 13:41:39,629 INFO L87 Difference]: Start difference. First operand 62 states and 62 transitions. Second operand 61 states. [2018-07-23 13:41:39,669 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2018-07-23 13:41:39,669 INFO L93 Difference]: Finished difference Result 65 states and 65 transitions. [2018-07-23 13:41:39,669 INFO L142 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 61 states. [2018-07-23 13:41:39,669 INFO L78 Accepts]: Start accepts. Automaton has 61 states. Word has length 61 [2018-07-23 13:41:39,669 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2018-07-23 13:41:39,670 INFO L225 Difference]: With dead ends: 65 [2018-07-23 13:41:39,670 INFO L226 Difference]: Without dead ends: 63 [2018-07-23 13:41:39,671 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 13:41:39,671 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 63 states. [2018-07-23 13:41:39,673 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 63 to 63. [2018-07-23 13:41:39,674 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 63 states. [2018-07-23 13:41:39,674 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 63 states to 63 states and 63 transitions. [2018-07-23 13:41:39,674 INFO L78 Accepts]: Start accepts. Automaton has 63 states and 63 transitions. Word has length 61 [2018-07-23 13:41:39,674 INFO L84 Accepts]: Finished accepts. word is rejected. [2018-07-23 13:41:39,674 INFO L471 AbstractCegarLoop]: Abstraction has 63 states and 63 transitions. [2018-07-23 13:41:39,675 INFO L472 AbstractCegarLoop]: Interpolant automaton has 61 states. [2018-07-23 13:41:39,675 INFO L276 IsEmpty]: Start isEmpty. Operand 63 states and 63 transitions. [2018-07-23 13:41:39,675 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 63 [2018-07-23 13:41:39,675 INFO L349 BasicCegarLoop]: Found error trace [2018-07-23 13:41:39,675 INFO L357 BasicCegarLoop]: trace histogram [59, 1, 1, 1] [2018-07-23 13:41:39,676 INFO L414 AbstractCegarLoop]: === Iteration 60 === [ULTIMATE.startErr0AssertViolationASSERT]=== [2018-07-23 13:41:39,676 INFO L82 PathProgramCache]: Analyzing trace with hash 921649608, now seen corresponding path program 59 times [2018-07-23 13:41:39,676 INFO L69 tionRefinementEngine]: Using refinement strategy FixedRefinementStrategy [2018-07-23 13:41:39,685 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-07-23 13:41:39,895 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 13:41:39,896 INFO L309 seRefinementStrategy]: Constructing automaton from 0 perfect and 1 imperfect interpolant sequences. [2018-07-23 13:41:39,896 INFO L324 seRefinementStrategy]: Number of different interpolants: perfect sequences [] imperfect sequences [61] total 61 [2018-07-23 13:41:39,896 INFO L142 lantAutomatonBuilder]: Constructing canonical interpolant automaton, with selfloop in false state [2018-07-23 13:41:39,897 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2018-07-23 13:41:39,897 INFO L185 omatonBuilderFactory]: Interpolants [10158#true, 10159#false, 10160#(<= ULTIMATE.start_main_~x~4 10), 10161#(<= ULTIMATE.start_main_~x~4 12), 10162#(<= ULTIMATE.start_main_~x~4 14), 10163#(<= ULTIMATE.start_main_~x~4 16), 10164#(<= ULTIMATE.start_main_~x~4 18), 10165#(<= ULTIMATE.start_main_~x~4 20), 10166#(<= ULTIMATE.start_main_~x~4 22), 10167#(<= ULTIMATE.start_main_~x~4 24), 10168#(<= ULTIMATE.start_main_~x~4 26), 10169#(<= ULTIMATE.start_main_~x~4 28), 10170#(<= ULTIMATE.start_main_~x~4 30), 10171#(<= ULTIMATE.start_main_~x~4 32), 10172#(<= ULTIMATE.start_main_~x~4 34), 10173#(<= ULTIMATE.start_main_~x~4 36), 10174#(<= ULTIMATE.start_main_~x~4 38), 10175#(<= ULTIMATE.start_main_~x~4 40), 10176#(<= ULTIMATE.start_main_~x~4 42), 10177#(<= ULTIMATE.start_main_~x~4 44), 10178#(<= ULTIMATE.start_main_~x~4 46), 10179#(<= ULTIMATE.start_main_~x~4 48), 10180#(<= ULTIMATE.start_main_~x~4 50), 10181#(<= ULTIMATE.start_main_~x~4 52), 10182#(<= ULTIMATE.start_main_~x~4 54), 10183#(<= ULTIMATE.start_main_~x~4 56), 10184#(<= ULTIMATE.start_main_~x~4 58), 10185#(<= ULTIMATE.start_main_~x~4 60), 10186#(<= ULTIMATE.start_main_~x~4 62), 10187#(<= ULTIMATE.start_main_~x~4 64), 10188#(<= ULTIMATE.start_main_~x~4 66), 10189#(<= ULTIMATE.start_main_~x~4 68), 10190#(<= ULTIMATE.start_main_~x~4 70), 10191#(<= ULTIMATE.start_main_~x~4 72), 10192#(<= ULTIMATE.start_main_~x~4 74), 10193#(<= ULTIMATE.start_main_~x~4 76), 10194#(<= ULTIMATE.start_main_~x~4 78), 10195#(<= ULTIMATE.start_main_~x~4 80), 10196#(<= ULTIMATE.start_main_~x~4 82), 10197#(<= ULTIMATE.start_main_~x~4 84), 10198#(<= ULTIMATE.start_main_~x~4 86), 10199#(<= ULTIMATE.start_main_~x~4 88), 10200#(<= ULTIMATE.start_main_~x~4 90), 10201#(<= ULTIMATE.start_main_~x~4 92), 10202#(<= ULTIMATE.start_main_~x~4 94), 10203#(<= ULTIMATE.start_main_~x~4 96), 10204#(<= ULTIMATE.start_main_~x~4 98), 10205#(<= ULTIMATE.start_main_~x~4 100), 10206#(<= ULTIMATE.start_main_~x~4 102), 10207#(<= ULTIMATE.start_main_~x~4 104), 10208#(<= ULTIMATE.start_main_~x~4 106), 10209#(<= ULTIMATE.start_main_~x~4 108), 10210#(<= ULTIMATE.start_main_~x~4 110), 10211#(<= ULTIMATE.start_main_~x~4 112), 10212#(<= ULTIMATE.start_main_~x~4 114), 10213#(<= ULTIMATE.start_main_~x~4 116), 10214#(<= ULTIMATE.start_main_~x~4 118), 10215#(<= ULTIMATE.start_main_~x~4 120), 10216#(<= ULTIMATE.start_main_~x~4 122), 10217#(<= ULTIMATE.start_main_~x~4 124), 10218#(<= ULTIMATE.start_main_~x~4 126), 10219#(<= ULTIMATE.start_main_~x~4 128)] [2018-07-23 13:41:39,898 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 13:41:39,898 INFO L450 AbstractCegarLoop]: Interpolant automaton has 62 states [2018-07-23 13:41:39,899 INFO L132 InterpolantAutomaton]: Constructing interpolant automaton starting with 62 interpolants. [2018-07-23 13:41:39,900 INFO L133 InterpolantAutomaton]: CoverageRelationStatistics Valid=1891, Invalid=1891, Unknown=0, NotChecked=0, Total=3782 [2018-07-23 13:41:39,900 INFO L87 Difference]: Start difference. First operand 63 states and 63 transitions. Second operand 62 states. [2018-07-23 13:41:39,945 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2018-07-23 13:41:39,945 INFO L93 Difference]: Finished difference Result 66 states and 66 transitions. [2018-07-23 13:41:39,946 INFO L142 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 62 states. [2018-07-23 13:41:39,946 INFO L78 Accepts]: Start accepts. Automaton has 62 states. Word has length 62 [2018-07-23 13:41:39,946 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2018-07-23 13:41:39,946 INFO L225 Difference]: With dead ends: 66 [2018-07-23 13:41:39,947 INFO L226 Difference]: Without dead ends: 64 [2018-07-23 13:41:39,948 INFO L575 BasicCegarLoop]: 0 DeclaredPredicates, 61 GetRequests, 1 SyntacticMatches, 0 SemanticMatches, 60 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 0 ImplicationChecksByTransitivity, 0.1s TimeCoverageRelationStatistics Valid=1891, Invalid=1891, Unknown=0, NotChecked=0, Total=3782 [2018-07-23 13:41:39,948 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 64 states. [2018-07-23 13:41:39,950 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 64 to 64. [2018-07-23 13:41:39,950 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 64 states. [2018-07-23 13:41:39,950 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 64 states to 64 states and 64 transitions. [2018-07-23 13:41:39,951 INFO L78 Accepts]: Start accepts. Automaton has 64 states and 64 transitions. Word has length 62 [2018-07-23 13:41:39,951 INFO L84 Accepts]: Finished accepts. word is rejected. [2018-07-23 13:41:39,951 INFO L471 AbstractCegarLoop]: Abstraction has 64 states and 64 transitions. [2018-07-23 13:41:39,951 INFO L472 AbstractCegarLoop]: Interpolant automaton has 62 states. [2018-07-23 13:41:39,951 INFO L276 IsEmpty]: Start isEmpty. Operand 64 states and 64 transitions. [2018-07-23 13:41:39,952 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 64 [2018-07-23 13:41:39,952 INFO L349 BasicCegarLoop]: Found error trace [2018-07-23 13:41:39,952 INFO L357 BasicCegarLoop]: trace histogram [60, 1, 1, 1] [2018-07-23 13:41:39,952 INFO L414 AbstractCegarLoop]: === Iteration 61 === [ULTIMATE.startErr0AssertViolationASSERT]=== [2018-07-23 13:41:39,952 INFO L82 PathProgramCache]: Analyzing trace with hash -1493635199, now seen corresponding path program 60 times [2018-07-23 13:41:39,952 INFO L69 tionRefinementEngine]: Using refinement strategy FixedRefinementStrategy [2018-07-23 13:41:39,962 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-07-23 13:41:40,174 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 13:41:40,174 INFO L309 seRefinementStrategy]: Constructing automaton from 0 perfect and 1 imperfect interpolant sequences. [2018-07-23 13:41:40,174 INFO L324 seRefinementStrategy]: Number of different interpolants: perfect sequences [] imperfect sequences [62] total 62 [2018-07-23 13:41:40,174 INFO L142 lantAutomatonBuilder]: Constructing canonical interpolant automaton, with selfloop in false state [2018-07-23 13:41:40,175 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2018-07-23 13:41:40,175 INFO L185 omatonBuilderFactory]: Interpolants [10496#(<= ULTIMATE.start_main_~x~4 38), 10497#(<= ULTIMATE.start_main_~x~4 40), 10498#(<= ULTIMATE.start_main_~x~4 42), 10499#(<= ULTIMATE.start_main_~x~4 44), 10500#(<= ULTIMATE.start_main_~x~4 46), 10501#(<= ULTIMATE.start_main_~x~4 48), 10502#(<= ULTIMATE.start_main_~x~4 50), 10503#(<= ULTIMATE.start_main_~x~4 52), 10504#(<= ULTIMATE.start_main_~x~4 54), 10505#(<= ULTIMATE.start_main_~x~4 56), 10506#(<= ULTIMATE.start_main_~x~4 58), 10507#(<= ULTIMATE.start_main_~x~4 60), 10508#(<= ULTIMATE.start_main_~x~4 62), 10509#(<= ULTIMATE.start_main_~x~4 64), 10510#(<= ULTIMATE.start_main_~x~4 66), 10511#(<= ULTIMATE.start_main_~x~4 68), 10512#(<= ULTIMATE.start_main_~x~4 70), 10513#(<= ULTIMATE.start_main_~x~4 72), 10514#(<= ULTIMATE.start_main_~x~4 74), 10515#(<= ULTIMATE.start_main_~x~4 76), 10516#(<= ULTIMATE.start_main_~x~4 78), 10517#(<= ULTIMATE.start_main_~x~4 80), 10518#(<= ULTIMATE.start_main_~x~4 82), 10519#(<= ULTIMATE.start_main_~x~4 84), 10520#(<= ULTIMATE.start_main_~x~4 86), 10521#(<= ULTIMATE.start_main_~x~4 88), 10522#(<= ULTIMATE.start_main_~x~4 90), 10523#(<= ULTIMATE.start_main_~x~4 92), 10524#(<= ULTIMATE.start_main_~x~4 94), 10525#(<= ULTIMATE.start_main_~x~4 96), 10526#(<= ULTIMATE.start_main_~x~4 98), 10527#(<= ULTIMATE.start_main_~x~4 100), 10528#(<= ULTIMATE.start_main_~x~4 102), 10529#(<= ULTIMATE.start_main_~x~4 104), 10530#(<= ULTIMATE.start_main_~x~4 106), 10531#(<= ULTIMATE.start_main_~x~4 108), 10532#(<= ULTIMATE.start_main_~x~4 110), 10533#(<= ULTIMATE.start_main_~x~4 112), 10534#(<= ULTIMATE.start_main_~x~4 114), 10535#(<= ULTIMATE.start_main_~x~4 116), 10536#(<= ULTIMATE.start_main_~x~4 118), 10537#(<= ULTIMATE.start_main_~x~4 120), 10538#(<= ULTIMATE.start_main_~x~4 122), 10539#(<= ULTIMATE.start_main_~x~4 124), 10540#(<= ULTIMATE.start_main_~x~4 126), 10541#(<= ULTIMATE.start_main_~x~4 128), 10542#(<= ULTIMATE.start_main_~x~4 130), 10480#true, 10481#false, 10482#(<= ULTIMATE.start_main_~x~4 10), 10483#(<= ULTIMATE.start_main_~x~4 12), 10484#(<= ULTIMATE.start_main_~x~4 14), 10485#(<= ULTIMATE.start_main_~x~4 16), 10486#(<= ULTIMATE.start_main_~x~4 18), 10487#(<= ULTIMATE.start_main_~x~4 20), 10488#(<= ULTIMATE.start_main_~x~4 22), 10489#(<= ULTIMATE.start_main_~x~4 24), 10490#(<= ULTIMATE.start_main_~x~4 26), 10491#(<= ULTIMATE.start_main_~x~4 28), 10492#(<= ULTIMATE.start_main_~x~4 30), 10493#(<= ULTIMATE.start_main_~x~4 32), 10494#(<= ULTIMATE.start_main_~x~4 34), 10495#(<= ULTIMATE.start_main_~x~4 36)] [2018-07-23 13:41:40,176 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 13:41:40,176 INFO L450 AbstractCegarLoop]: Interpolant automaton has 63 states [2018-07-23 13:41:40,177 INFO L132 InterpolantAutomaton]: Constructing interpolant automaton starting with 63 interpolants. [2018-07-23 13:41:40,177 INFO L133 InterpolantAutomaton]: CoverageRelationStatistics Valid=1953, Invalid=1953, Unknown=0, NotChecked=0, Total=3906 [2018-07-23 13:41:40,178 INFO L87 Difference]: Start difference. First operand 64 states and 64 transitions. Second operand 63 states. [2018-07-23 13:41:40,222 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2018-07-23 13:41:40,222 INFO L93 Difference]: Finished difference Result 67 states and 67 transitions. [2018-07-23 13:41:40,223 INFO L142 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 63 states. [2018-07-23 13:41:40,223 INFO L78 Accepts]: Start accepts. Automaton has 63 states. Word has length 63 [2018-07-23 13:41:40,223 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2018-07-23 13:41:40,224 INFO L225 Difference]: With dead ends: 67 [2018-07-23 13:41:40,224 INFO L226 Difference]: Without dead ends: 65 [2018-07-23 13:41:40,225 INFO L575 BasicCegarLoop]: 0 DeclaredPredicates, 62 GetRequests, 1 SyntacticMatches, 0 SemanticMatches, 61 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 0 ImplicationChecksByTransitivity, 0.1s TimeCoverageRelationStatistics Valid=1953, Invalid=1953, Unknown=0, NotChecked=0, Total=3906 [2018-07-23 13:41:40,225 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 65 states. [2018-07-23 13:41:40,227 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 65 to 65. [2018-07-23 13:41:40,227 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 65 states. [2018-07-23 13:41:40,228 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 65 states to 65 states and 65 transitions. [2018-07-23 13:41:40,228 INFO L78 Accepts]: Start accepts. Automaton has 65 states and 65 transitions. Word has length 63 [2018-07-23 13:41:40,228 INFO L84 Accepts]: Finished accepts. word is rejected. [2018-07-23 13:41:40,228 INFO L471 AbstractCegarLoop]: Abstraction has 65 states and 65 transitions. [2018-07-23 13:41:40,228 INFO L472 AbstractCegarLoop]: Interpolant automaton has 63 states. [2018-07-23 13:41:40,228 INFO L276 IsEmpty]: Start isEmpty. Operand 65 states and 65 transitions. [2018-07-23 13:41:40,229 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 65 [2018-07-23 13:41:40,229 INFO L349 BasicCegarLoop]: Found error trace [2018-07-23 13:41:40,229 INFO L357 BasicCegarLoop]: trace histogram [61, 1, 1, 1] [2018-07-23 13:41:40,229 INFO L414 AbstractCegarLoop]: === Iteration 62 === [ULTIMATE.startErr0AssertViolationASSERT]=== [2018-07-23 13:41:40,230 INFO L82 PathProgramCache]: Analyzing trace with hash 941947112, now seen corresponding path program 61 times [2018-07-23 13:41:40,230 INFO L69 tionRefinementEngine]: Using refinement strategy FixedRefinementStrategy [2018-07-23 13:41:40,239 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-07-23 13:41:40,457 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 13:41:40,457 INFO L309 seRefinementStrategy]: Constructing automaton from 0 perfect and 1 imperfect interpolant sequences. [2018-07-23 13:41:40,458 INFO L324 seRefinementStrategy]: Number of different interpolants: perfect sequences [] imperfect sequences [63] total 63 [2018-07-23 13:41:40,458 INFO L142 lantAutomatonBuilder]: Constructing canonical interpolant automaton, with selfloop in false state [2018-07-23 13:41:40,458 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2018-07-23 13:41:40,459 INFO L185 omatonBuilderFactory]: Interpolants [10807#true, 10808#false, 10809#(<= ULTIMATE.start_main_~x~4 10), 10810#(<= ULTIMATE.start_main_~x~4 12), 10811#(<= ULTIMATE.start_main_~x~4 14), 10812#(<= ULTIMATE.start_main_~x~4 16), 10813#(<= ULTIMATE.start_main_~x~4 18), 10814#(<= ULTIMATE.start_main_~x~4 20), 10815#(<= ULTIMATE.start_main_~x~4 22), 10816#(<= ULTIMATE.start_main_~x~4 24), 10817#(<= ULTIMATE.start_main_~x~4 26), 10818#(<= ULTIMATE.start_main_~x~4 28), 10819#(<= ULTIMATE.start_main_~x~4 30), 10820#(<= ULTIMATE.start_main_~x~4 32), 10821#(<= ULTIMATE.start_main_~x~4 34), 10822#(<= ULTIMATE.start_main_~x~4 36), 10823#(<= ULTIMATE.start_main_~x~4 38), 10824#(<= ULTIMATE.start_main_~x~4 40), 10825#(<= ULTIMATE.start_main_~x~4 42), 10826#(<= ULTIMATE.start_main_~x~4 44), 10827#(<= ULTIMATE.start_main_~x~4 46), 10828#(<= ULTIMATE.start_main_~x~4 48), 10829#(<= ULTIMATE.start_main_~x~4 50), 10830#(<= ULTIMATE.start_main_~x~4 52), 10831#(<= ULTIMATE.start_main_~x~4 54), 10832#(<= ULTIMATE.start_main_~x~4 56), 10833#(<= ULTIMATE.start_main_~x~4 58), 10834#(<= ULTIMATE.start_main_~x~4 60), 10835#(<= ULTIMATE.start_main_~x~4 62), 10836#(<= ULTIMATE.start_main_~x~4 64), 10837#(<= ULTIMATE.start_main_~x~4 66), 10838#(<= ULTIMATE.start_main_~x~4 68), 10839#(<= ULTIMATE.start_main_~x~4 70), 10840#(<= ULTIMATE.start_main_~x~4 72), 10841#(<= ULTIMATE.start_main_~x~4 74), 10842#(<= ULTIMATE.start_main_~x~4 76), 10843#(<= ULTIMATE.start_main_~x~4 78), 10844#(<= ULTIMATE.start_main_~x~4 80), 10845#(<= ULTIMATE.start_main_~x~4 82), 10846#(<= ULTIMATE.start_main_~x~4 84), 10847#(<= ULTIMATE.start_main_~x~4 86), 10848#(<= ULTIMATE.start_main_~x~4 88), 10849#(<= ULTIMATE.start_main_~x~4 90), 10850#(<= ULTIMATE.start_main_~x~4 92), 10851#(<= ULTIMATE.start_main_~x~4 94), 10852#(<= ULTIMATE.start_main_~x~4 96), 10853#(<= ULTIMATE.start_main_~x~4 98), 10854#(<= ULTIMATE.start_main_~x~4 100), 10855#(<= ULTIMATE.start_main_~x~4 102), 10856#(<= ULTIMATE.start_main_~x~4 104), 10857#(<= ULTIMATE.start_main_~x~4 106), 10858#(<= ULTIMATE.start_main_~x~4 108), 10859#(<= ULTIMATE.start_main_~x~4 110), 10860#(<= ULTIMATE.start_main_~x~4 112), 10861#(<= ULTIMATE.start_main_~x~4 114), 10862#(<= ULTIMATE.start_main_~x~4 116), 10863#(<= ULTIMATE.start_main_~x~4 118), 10864#(<= ULTIMATE.start_main_~x~4 120), 10865#(<= ULTIMATE.start_main_~x~4 122), 10866#(<= ULTIMATE.start_main_~x~4 124), 10867#(<= ULTIMATE.start_main_~x~4 126), 10868#(<= ULTIMATE.start_main_~x~4 128), 10869#(<= ULTIMATE.start_main_~x~4 130), 10870#(<= ULTIMATE.start_main_~x~4 132)] [2018-07-23 13:41:40,459 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 13:41:40,459 INFO L450 AbstractCegarLoop]: Interpolant automaton has 64 states [2018-07-23 13:41:40,460 INFO L132 InterpolantAutomaton]: Constructing interpolant automaton starting with 64 interpolants. [2018-07-23 13:41:40,461 INFO L133 InterpolantAutomaton]: CoverageRelationStatistics Valid=2016, Invalid=2016, Unknown=0, NotChecked=0, Total=4032 [2018-07-23 13:41:40,462 INFO L87 Difference]: Start difference. First operand 65 states and 65 transitions. Second operand 64 states. [2018-07-23 13:41:40,515 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2018-07-23 13:41:40,515 INFO L93 Difference]: Finished difference Result 68 states and 68 transitions. [2018-07-23 13:41:40,515 INFO L142 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 64 states. [2018-07-23 13:41:40,516 INFO L78 Accepts]: Start accepts. Automaton has 64 states. Word has length 64 [2018-07-23 13:41:40,516 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2018-07-23 13:41:40,516 INFO L225 Difference]: With dead ends: 68 [2018-07-23 13:41:40,517 INFO L226 Difference]: Without dead ends: 66 [2018-07-23 13:41:40,518 INFO L575 BasicCegarLoop]: 0 DeclaredPredicates, 63 GetRequests, 1 SyntacticMatches, 0 SemanticMatches, 62 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 0 ImplicationChecksByTransitivity, 0.1s TimeCoverageRelationStatistics Valid=2016, Invalid=2016, Unknown=0, NotChecked=0, Total=4032 [2018-07-23 13:41:40,518 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 66 states. [2018-07-23 13:41:40,520 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 66 to 66. [2018-07-23 13:41:40,520 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 66 states. [2018-07-23 13:41:40,521 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 66 states to 66 states and 66 transitions. [2018-07-23 13:41:40,521 INFO L78 Accepts]: Start accepts. Automaton has 66 states and 66 transitions. Word has length 64 [2018-07-23 13:41:40,521 INFO L84 Accepts]: Finished accepts. word is rejected. [2018-07-23 13:41:40,521 INFO L471 AbstractCegarLoop]: Abstraction has 66 states and 66 transitions. [2018-07-23 13:41:40,521 INFO L472 AbstractCegarLoop]: Interpolant automaton has 64 states. [2018-07-23 13:41:40,522 INFO L276 IsEmpty]: Start isEmpty. Operand 66 states and 66 transitions. [2018-07-23 13:41:40,522 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 66 [2018-07-23 13:41:40,522 INFO L349 BasicCegarLoop]: Found error trace [2018-07-23 13:41:40,522 INFO L357 BasicCegarLoop]: trace histogram [62, 1, 1, 1] [2018-07-23 13:41:40,523 INFO L414 AbstractCegarLoop]: === Iteration 63 === [ULTIMATE.startErr0AssertViolationASSERT]=== [2018-07-23 13:41:40,523 INFO L82 PathProgramCache]: Analyzing trace with hash -864412575, now seen corresponding path program 62 times [2018-07-23 13:41:40,523 INFO L69 tionRefinementEngine]: Using refinement strategy FixedRefinementStrategy [2018-07-23 13:41:40,533 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-07-23 13:41:40,759 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 13:41:40,759 INFO L309 seRefinementStrategy]: Constructing automaton from 0 perfect and 1 imperfect interpolant sequences. [2018-07-23 13:41:40,759 INFO L324 seRefinementStrategy]: Number of different interpolants: perfect sequences [] imperfect sequences [64] total 64 [2018-07-23 13:41:40,760 INFO L142 lantAutomatonBuilder]: Constructing canonical interpolant automaton, with selfloop in false state [2018-07-23 13:41:40,760 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2018-07-23 13:41:40,760 INFO L185 omatonBuilderFactory]: Interpolants [11139#true, 11140#false, 11141#(<= ULTIMATE.start_main_~x~4 10), 11142#(<= ULTIMATE.start_main_~x~4 12), 11143#(<= ULTIMATE.start_main_~x~4 14), 11144#(<= ULTIMATE.start_main_~x~4 16), 11145#(<= ULTIMATE.start_main_~x~4 18), 11146#(<= ULTIMATE.start_main_~x~4 20), 11147#(<= ULTIMATE.start_main_~x~4 22), 11148#(<= ULTIMATE.start_main_~x~4 24), 11149#(<= ULTIMATE.start_main_~x~4 26), 11150#(<= ULTIMATE.start_main_~x~4 28), 11151#(<= ULTIMATE.start_main_~x~4 30), 11152#(<= ULTIMATE.start_main_~x~4 32), 11153#(<= ULTIMATE.start_main_~x~4 34), 11154#(<= ULTIMATE.start_main_~x~4 36), 11155#(<= ULTIMATE.start_main_~x~4 38), 11156#(<= ULTIMATE.start_main_~x~4 40), 11157#(<= ULTIMATE.start_main_~x~4 42), 11158#(<= ULTIMATE.start_main_~x~4 44), 11159#(<= ULTIMATE.start_main_~x~4 46), 11160#(<= ULTIMATE.start_main_~x~4 48), 11161#(<= ULTIMATE.start_main_~x~4 50), 11162#(<= ULTIMATE.start_main_~x~4 52), 11163#(<= ULTIMATE.start_main_~x~4 54), 11164#(<= ULTIMATE.start_main_~x~4 56), 11165#(<= ULTIMATE.start_main_~x~4 58), 11166#(<= ULTIMATE.start_main_~x~4 60), 11167#(<= ULTIMATE.start_main_~x~4 62), 11168#(<= ULTIMATE.start_main_~x~4 64), 11169#(<= ULTIMATE.start_main_~x~4 66), 11170#(<= ULTIMATE.start_main_~x~4 68), 11171#(<= ULTIMATE.start_main_~x~4 70), 11172#(<= ULTIMATE.start_main_~x~4 72), 11173#(<= ULTIMATE.start_main_~x~4 74), 11174#(<= ULTIMATE.start_main_~x~4 76), 11175#(<= ULTIMATE.start_main_~x~4 78), 11176#(<= ULTIMATE.start_main_~x~4 80), 11177#(<= ULTIMATE.start_main_~x~4 82), 11178#(<= ULTIMATE.start_main_~x~4 84), 11179#(<= ULTIMATE.start_main_~x~4 86), 11180#(<= ULTIMATE.start_main_~x~4 88), 11181#(<= ULTIMATE.start_main_~x~4 90), 11182#(<= ULTIMATE.start_main_~x~4 92), 11183#(<= ULTIMATE.start_main_~x~4 94), 11184#(<= ULTIMATE.start_main_~x~4 96), 11185#(<= ULTIMATE.start_main_~x~4 98), 11186#(<= ULTIMATE.start_main_~x~4 100), 11187#(<= ULTIMATE.start_main_~x~4 102), 11188#(<= ULTIMATE.start_main_~x~4 104), 11189#(<= ULTIMATE.start_main_~x~4 106), 11190#(<= ULTIMATE.start_main_~x~4 108), 11191#(<= ULTIMATE.start_main_~x~4 110), 11192#(<= ULTIMATE.start_main_~x~4 112), 11193#(<= ULTIMATE.start_main_~x~4 114), 11194#(<= ULTIMATE.start_main_~x~4 116), 11195#(<= ULTIMATE.start_main_~x~4 118), 11196#(<= ULTIMATE.start_main_~x~4 120), 11197#(<= ULTIMATE.start_main_~x~4 122), 11198#(<= ULTIMATE.start_main_~x~4 124), 11199#(<= ULTIMATE.start_main_~x~4 126), 11200#(<= ULTIMATE.start_main_~x~4 128), 11201#(<= ULTIMATE.start_main_~x~4 130), 11202#(<= ULTIMATE.start_main_~x~4 132), 11203#(<= ULTIMATE.start_main_~x~4 134)] [2018-07-23 13:41:40,761 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 13:41:40,761 INFO L450 AbstractCegarLoop]: Interpolant automaton has 65 states [2018-07-23 13:41:40,762 INFO L132 InterpolantAutomaton]: Constructing interpolant automaton starting with 65 interpolants. [2018-07-23 13:41:40,763 INFO L133 InterpolantAutomaton]: CoverageRelationStatistics Valid=2080, Invalid=2080, Unknown=0, NotChecked=0, Total=4160 [2018-07-23 13:41:40,763 INFO L87 Difference]: Start difference. First operand 66 states and 66 transitions. Second operand 65 states. [2018-07-23 13:41:40,820 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2018-07-23 13:41:40,820 INFO L93 Difference]: Finished difference Result 69 states and 69 transitions. [2018-07-23 13:41:40,820 INFO L142 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 65 states. [2018-07-23 13:41:40,821 INFO L78 Accepts]: Start accepts. Automaton has 65 states. Word has length 65 [2018-07-23 13:41:40,821 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2018-07-23 13:41:40,821 INFO L225 Difference]: With dead ends: 69 [2018-07-23 13:41:40,821 INFO L226 Difference]: Without dead ends: 67 [2018-07-23 13:41:40,823 INFO L575 BasicCegarLoop]: 0 DeclaredPredicates, 64 GetRequests, 1 SyntacticMatches, 0 SemanticMatches, 63 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 0 ImplicationChecksByTransitivity, 0.1s TimeCoverageRelationStatistics Valid=2080, Invalid=2080, Unknown=0, NotChecked=0, Total=4160 [2018-07-23 13:41:40,823 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 67 states. [2018-07-23 13:41:40,825 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 67 to 67. [2018-07-23 13:41:40,825 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 67 states. [2018-07-23 13:41:40,826 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 67 states to 67 states and 67 transitions. [2018-07-23 13:41:40,826 INFO L78 Accepts]: Start accepts. Automaton has 67 states and 67 transitions. Word has length 65 [2018-07-23 13:41:40,826 INFO L84 Accepts]: Finished accepts. word is rejected. [2018-07-23 13:41:40,826 INFO L471 AbstractCegarLoop]: Abstraction has 67 states and 67 transitions. [2018-07-23 13:41:40,826 INFO L472 AbstractCegarLoop]: Interpolant automaton has 65 states. [2018-07-23 13:41:40,827 INFO L276 IsEmpty]: Start isEmpty. Operand 67 states and 67 transitions. [2018-07-23 13:41:40,827 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 67 [2018-07-23 13:41:40,827 INFO L349 BasicCegarLoop]: Found error trace [2018-07-23 13:41:40,827 INFO L357 BasicCegarLoop]: trace histogram [63, 1, 1, 1] [2018-07-23 13:41:40,828 INFO L414 AbstractCegarLoop]: === Iteration 64 === [ULTIMATE.startErr0AssertViolationASSERT]=== [2018-07-23 13:41:40,828 INFO L82 PathProgramCache]: Analyzing trace with hash -1026988024, now seen corresponding path program 63 times [2018-07-23 13:41:40,828 INFO L69 tionRefinementEngine]: Using refinement strategy FixedRefinementStrategy [2018-07-23 13:41:40,839 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-07-23 13:41:41,075 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 13:41:41,075 INFO L309 seRefinementStrategy]: Constructing automaton from 0 perfect and 1 imperfect interpolant sequences. [2018-07-23 13:41:41,076 INFO L324 seRefinementStrategy]: Number of different interpolants: perfect sequences [] imperfect sequences [65] total 65 [2018-07-23 13:41:41,076 INFO L142 lantAutomatonBuilder]: Constructing canonical interpolant automaton, with selfloop in false state [2018-07-23 13:41:41,076 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2018-07-23 13:41:41,076 INFO L185 omatonBuilderFactory]: Interpolants [11520#(<= ULTIMATE.start_main_~x~4 94), 11521#(<= ULTIMATE.start_main_~x~4 96), 11522#(<= ULTIMATE.start_main_~x~4 98), 11523#(<= ULTIMATE.start_main_~x~4 100), 11524#(<= ULTIMATE.start_main_~x~4 102), 11525#(<= ULTIMATE.start_main_~x~4 104), 11526#(<= ULTIMATE.start_main_~x~4 106), 11527#(<= ULTIMATE.start_main_~x~4 108), 11528#(<= ULTIMATE.start_main_~x~4 110), 11529#(<= ULTIMATE.start_main_~x~4 112), 11530#(<= ULTIMATE.start_main_~x~4 114), 11531#(<= ULTIMATE.start_main_~x~4 116), 11532#(<= ULTIMATE.start_main_~x~4 118), 11533#(<= ULTIMATE.start_main_~x~4 120), 11534#(<= ULTIMATE.start_main_~x~4 122), 11535#(<= ULTIMATE.start_main_~x~4 124), 11536#(<= ULTIMATE.start_main_~x~4 126), 11537#(<= ULTIMATE.start_main_~x~4 128), 11538#(<= ULTIMATE.start_main_~x~4 130), 11539#(<= ULTIMATE.start_main_~x~4 132), 11540#(<= ULTIMATE.start_main_~x~4 134), 11541#(<= ULTIMATE.start_main_~x~4 136), 11476#true, 11477#false, 11478#(<= ULTIMATE.start_main_~x~4 10), 11479#(<= ULTIMATE.start_main_~x~4 12), 11480#(<= ULTIMATE.start_main_~x~4 14), 11481#(<= ULTIMATE.start_main_~x~4 16), 11482#(<= ULTIMATE.start_main_~x~4 18), 11483#(<= ULTIMATE.start_main_~x~4 20), 11484#(<= ULTIMATE.start_main_~x~4 22), 11485#(<= ULTIMATE.start_main_~x~4 24), 11486#(<= ULTIMATE.start_main_~x~4 26), 11487#(<= ULTIMATE.start_main_~x~4 28), 11488#(<= ULTIMATE.start_main_~x~4 30), 11489#(<= ULTIMATE.start_main_~x~4 32), 11490#(<= ULTIMATE.start_main_~x~4 34), 11491#(<= ULTIMATE.start_main_~x~4 36), 11492#(<= ULTIMATE.start_main_~x~4 38), 11493#(<= ULTIMATE.start_main_~x~4 40), 11494#(<= ULTIMATE.start_main_~x~4 42), 11495#(<= ULTIMATE.start_main_~x~4 44), 11496#(<= ULTIMATE.start_main_~x~4 46), 11497#(<= ULTIMATE.start_main_~x~4 48), 11498#(<= ULTIMATE.start_main_~x~4 50), 11499#(<= ULTIMATE.start_main_~x~4 52), 11500#(<= ULTIMATE.start_main_~x~4 54), 11501#(<= ULTIMATE.start_main_~x~4 56), 11502#(<= ULTIMATE.start_main_~x~4 58), 11503#(<= ULTIMATE.start_main_~x~4 60), 11504#(<= ULTIMATE.start_main_~x~4 62), 11505#(<= ULTIMATE.start_main_~x~4 64), 11506#(<= ULTIMATE.start_main_~x~4 66), 11507#(<= ULTIMATE.start_main_~x~4 68), 11508#(<= ULTIMATE.start_main_~x~4 70), 11509#(<= ULTIMATE.start_main_~x~4 72), 11510#(<= ULTIMATE.start_main_~x~4 74), 11511#(<= ULTIMATE.start_main_~x~4 76), 11512#(<= ULTIMATE.start_main_~x~4 78), 11513#(<= ULTIMATE.start_main_~x~4 80), 11514#(<= ULTIMATE.start_main_~x~4 82), 11515#(<= ULTIMATE.start_main_~x~4 84), 11516#(<= ULTIMATE.start_main_~x~4 86), 11517#(<= ULTIMATE.start_main_~x~4 88), 11518#(<= ULTIMATE.start_main_~x~4 90), 11519#(<= ULTIMATE.start_main_~x~4 92)] [2018-07-23 13:41:41,077 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 13:41:41,077 INFO L450 AbstractCegarLoop]: Interpolant automaton has 66 states [2018-07-23 13:41:41,078 INFO L132 InterpolantAutomaton]: Constructing interpolant automaton starting with 66 interpolants. [2018-07-23 13:41:41,079 INFO L133 InterpolantAutomaton]: CoverageRelationStatistics Valid=2145, Invalid=2145, Unknown=0, NotChecked=0, Total=4290 [2018-07-23 13:41:41,079 INFO L87 Difference]: Start difference. First operand 67 states and 67 transitions. Second operand 66 states. [2018-07-23 13:41:41,116 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2018-07-23 13:41:41,116 INFO L93 Difference]: Finished difference Result 70 states and 70 transitions. [2018-07-23 13:41:41,117 INFO L142 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 66 states. [2018-07-23 13:41:41,117 INFO L78 Accepts]: Start accepts. Automaton has 66 states. Word has length 66 [2018-07-23 13:41:41,117 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2018-07-23 13:41:41,118 INFO L225 Difference]: With dead ends: 70 [2018-07-23 13:41:41,118 INFO L226 Difference]: Without dead ends: 68 [2018-07-23 13:41:41,119 INFO L575 BasicCegarLoop]: 0 DeclaredPredicates, 65 GetRequests, 1 SyntacticMatches, 0 SemanticMatches, 64 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 0 ImplicationChecksByTransitivity, 0.2s TimeCoverageRelationStatistics Valid=2145, Invalid=2145, Unknown=0, NotChecked=0, Total=4290 [2018-07-23 13:41:41,119 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 68 states. [2018-07-23 13:41:41,121 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 68 to 68. [2018-07-23 13:41:41,121 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 68 states. [2018-07-23 13:41:41,122 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 68 states to 68 states and 68 transitions. [2018-07-23 13:41:41,122 INFO L78 Accepts]: Start accepts. Automaton has 68 states and 68 transitions. Word has length 66 [2018-07-23 13:41:41,122 INFO L84 Accepts]: Finished accepts. word is rejected. [2018-07-23 13:41:41,122 INFO L471 AbstractCegarLoop]: Abstraction has 68 states and 68 transitions. [2018-07-23 13:41:41,122 INFO L472 AbstractCegarLoop]: Interpolant automaton has 66 states. [2018-07-23 13:41:41,123 INFO L276 IsEmpty]: Start isEmpty. Operand 68 states and 68 transitions. [2018-07-23 13:41:41,123 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 68 [2018-07-23 13:41:41,123 INFO L349 BasicCegarLoop]: Found error trace [2018-07-23 13:41:41,123 INFO L357 BasicCegarLoop]: trace histogram [64, 1, 1, 1] [2018-07-23 13:41:41,124 INFO L414 AbstractCegarLoop]: === Iteration 65 === [ULTIMATE.startErr0AssertViolationASSERT]=== [2018-07-23 13:41:41,124 INFO L82 PathProgramCache]: Analyzing trace with hash -1771859647, now seen corresponding path program 64 times [2018-07-23 13:41:41,124 INFO L69 tionRefinementEngine]: Using refinement strategy FixedRefinementStrategy [2018-07-23 13:41:41,135 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-07-23 13:41:41,366 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 13:41:41,366 INFO L309 seRefinementStrategy]: Constructing automaton from 0 perfect and 1 imperfect interpolant sequences. [2018-07-23 13:41:41,366 INFO L324 seRefinementStrategy]: Number of different interpolants: perfect sequences [] imperfect sequences [66] total 66 [2018-07-23 13:41:41,366 INFO L142 lantAutomatonBuilder]: Constructing canonical interpolant automaton, with selfloop in false state [2018-07-23 13:41:41,367 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 13:41:41,367 INFO L185 omatonBuilderFactory]: Interpolants [11818#true, 11819#false, 11820#(<= ULTIMATE.start_main_~x~4 10), 11821#(<= ULTIMATE.start_main_~x~4 12), 11822#(<= ULTIMATE.start_main_~x~4 14), 11823#(<= ULTIMATE.start_main_~x~4 16), 11824#(<= ULTIMATE.start_main_~x~4 18), 11825#(<= ULTIMATE.start_main_~x~4 20), 11826#(<= ULTIMATE.start_main_~x~4 22), 11827#(<= ULTIMATE.start_main_~x~4 24), 11828#(<= ULTIMATE.start_main_~x~4 26), 11829#(<= ULTIMATE.start_main_~x~4 28), 11830#(<= ULTIMATE.start_main_~x~4 30), 11831#(<= ULTIMATE.start_main_~x~4 32), 11832#(<= ULTIMATE.start_main_~x~4 34), 11833#(<= ULTIMATE.start_main_~x~4 36), 11834#(<= ULTIMATE.start_main_~x~4 38), 11835#(<= ULTIMATE.start_main_~x~4 40), 11836#(<= ULTIMATE.start_main_~x~4 42), 11837#(<= ULTIMATE.start_main_~x~4 44), 11838#(<= ULTIMATE.start_main_~x~4 46), 11839#(<= ULTIMATE.start_main_~x~4 48), 11840#(<= ULTIMATE.start_main_~x~4 50), 11841#(<= ULTIMATE.start_main_~x~4 52), 11842#(<= ULTIMATE.start_main_~x~4 54), 11843#(<= ULTIMATE.start_main_~x~4 56), 11844#(<= ULTIMATE.start_main_~x~4 58), 11845#(<= ULTIMATE.start_main_~x~4 60), 11846#(<= ULTIMATE.start_main_~x~4 62), 11847#(<= ULTIMATE.start_main_~x~4 64), 11848#(<= ULTIMATE.start_main_~x~4 66), 11849#(<= ULTIMATE.start_main_~x~4 68), 11850#(<= ULTIMATE.start_main_~x~4 70), 11851#(<= ULTIMATE.start_main_~x~4 72), 11852#(<= ULTIMATE.start_main_~x~4 74), 11853#(<= ULTIMATE.start_main_~x~4 76), 11854#(<= ULTIMATE.start_main_~x~4 78), 11855#(<= ULTIMATE.start_main_~x~4 80), 11856#(<= ULTIMATE.start_main_~x~4 82), 11857#(<= ULTIMATE.start_main_~x~4 84), 11858#(<= ULTIMATE.start_main_~x~4 86), 11859#(<= ULTIMATE.start_main_~x~4 88), 11860#(<= ULTIMATE.start_main_~x~4 90), 11861#(<= ULTIMATE.start_main_~x~4 92), 11862#(<= ULTIMATE.start_main_~x~4 94), 11863#(<= ULTIMATE.start_main_~x~4 96), 11864#(<= ULTIMATE.start_main_~x~4 98), 11865#(<= ULTIMATE.start_main_~x~4 100), 11866#(<= ULTIMATE.start_main_~x~4 102), 11867#(<= ULTIMATE.start_main_~x~4 104), 11868#(<= ULTIMATE.start_main_~x~4 106), 11869#(<= ULTIMATE.start_main_~x~4 108), 11870#(<= ULTIMATE.start_main_~x~4 110), 11871#(<= ULTIMATE.start_main_~x~4 112), 11872#(<= ULTIMATE.start_main_~x~4 114), 11873#(<= ULTIMATE.start_main_~x~4 116), 11874#(<= ULTIMATE.start_main_~x~4 118), 11875#(<= ULTIMATE.start_main_~x~4 120), 11876#(<= ULTIMATE.start_main_~x~4 122), 11877#(<= ULTIMATE.start_main_~x~4 124), 11878#(<= ULTIMATE.start_main_~x~4 126), 11879#(<= ULTIMATE.start_main_~x~4 128), 11880#(<= ULTIMATE.start_main_~x~4 130), 11881#(<= ULTIMATE.start_main_~x~4 132), 11882#(<= ULTIMATE.start_main_~x~4 134), 11883#(<= ULTIMATE.start_main_~x~4 136), 11884#(<= ULTIMATE.start_main_~x~4 138)] [2018-07-23 13:41:41,368 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 13:41:41,368 INFO L450 AbstractCegarLoop]: Interpolant automaton has 67 states [2018-07-23 13:41:41,369 INFO L132 InterpolantAutomaton]: Constructing interpolant automaton starting with 67 interpolants. [2018-07-23 13:41:41,369 INFO L133 InterpolantAutomaton]: CoverageRelationStatistics Valid=2211, Invalid=2211, Unknown=0, NotChecked=0, Total=4422 [2018-07-23 13:41:41,370 INFO L87 Difference]: Start difference. First operand 68 states and 68 transitions. Second operand 67 states. [2018-07-23 13:41:41,420 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2018-07-23 13:41:41,420 INFO L93 Difference]: Finished difference Result 71 states and 71 transitions. [2018-07-23 13:41:41,420 INFO L142 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 67 states. [2018-07-23 13:41:41,420 INFO L78 Accepts]: Start accepts. Automaton has 67 states. Word has length 67 [2018-07-23 13:41:41,421 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2018-07-23 13:41:41,421 INFO L225 Difference]: With dead ends: 71 [2018-07-23 13:41:41,421 INFO L226 Difference]: Without dead ends: 69 [2018-07-23 13:41:41,423 INFO L575 BasicCegarLoop]: 0 DeclaredPredicates, 66 GetRequests, 1 SyntacticMatches, 0 SemanticMatches, 65 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 0 ImplicationChecksByTransitivity, 0.1s TimeCoverageRelationStatistics Valid=2211, Invalid=2211, Unknown=0, NotChecked=0, Total=4422 [2018-07-23 13:41:41,423 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 69 states. [2018-07-23 13:41:41,425 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 69 to 69. [2018-07-23 13:41:41,425 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 69 states. [2018-07-23 13:41:41,425 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 69 states to 69 states and 69 transitions. [2018-07-23 13:41:41,426 INFO L78 Accepts]: Start accepts. Automaton has 69 states and 69 transitions. Word has length 67 [2018-07-23 13:41:41,426 INFO L84 Accepts]: Finished accepts. word is rejected. [2018-07-23 13:41:41,426 INFO L471 AbstractCegarLoop]: Abstraction has 69 states and 69 transitions. [2018-07-23 13:41:41,426 INFO L472 AbstractCegarLoop]: Interpolant automaton has 67 states. [2018-07-23 13:41:41,426 INFO L276 IsEmpty]: Start isEmpty. Operand 69 states and 69 transitions. [2018-07-23 13:41:41,427 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 69 [2018-07-23 13:41:41,427 INFO L349 BasicCegarLoop]: Found error trace [2018-07-23 13:41:41,427 INFO L357 BasicCegarLoop]: trace histogram [65, 1, 1, 1] [2018-07-23 13:41:41,427 INFO L414 AbstractCegarLoop]: === Iteration 66 === [ULTIMATE.startErr0AssertViolationASSERT]=== [2018-07-23 13:41:41,427 INFO L82 PathProgramCache]: Analyzing trace with hash 906923816, now seen corresponding path program 65 times [2018-07-23 13:41:41,427 INFO L69 tionRefinementEngine]: Using refinement strategy FixedRefinementStrategy [2018-07-23 13:41:41,439 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-07-23 13:41:41,704 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 13:41:41,705 INFO L309 seRefinementStrategy]: Constructing automaton from 0 perfect and 1 imperfect interpolant sequences. [2018-07-23 13:41:41,705 INFO L324 seRefinementStrategy]: Number of different interpolants: perfect sequences [] imperfect sequences [67] total 67 [2018-07-23 13:41:41,705 INFO L142 lantAutomatonBuilder]: Constructing canonical interpolant automaton, with selfloop in false state [2018-07-23 13:41:41,705 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2018-07-23 13:41:41,706 INFO L185 omatonBuilderFactory]: Interpolants [12165#true, 12166#false, 12167#(<= ULTIMATE.start_main_~x~4 10), 12168#(<= ULTIMATE.start_main_~x~4 12), 12169#(<= ULTIMATE.start_main_~x~4 14), 12170#(<= ULTIMATE.start_main_~x~4 16), 12171#(<= ULTIMATE.start_main_~x~4 18), 12172#(<= ULTIMATE.start_main_~x~4 20), 12173#(<= ULTIMATE.start_main_~x~4 22), 12174#(<= ULTIMATE.start_main_~x~4 24), 12175#(<= ULTIMATE.start_main_~x~4 26), 12176#(<= ULTIMATE.start_main_~x~4 28), 12177#(<= ULTIMATE.start_main_~x~4 30), 12178#(<= ULTIMATE.start_main_~x~4 32), 12179#(<= ULTIMATE.start_main_~x~4 34), 12180#(<= ULTIMATE.start_main_~x~4 36), 12181#(<= ULTIMATE.start_main_~x~4 38), 12182#(<= ULTIMATE.start_main_~x~4 40), 12183#(<= ULTIMATE.start_main_~x~4 42), 12184#(<= ULTIMATE.start_main_~x~4 44), 12185#(<= ULTIMATE.start_main_~x~4 46), 12186#(<= ULTIMATE.start_main_~x~4 48), 12187#(<= ULTIMATE.start_main_~x~4 50), 12188#(<= ULTIMATE.start_main_~x~4 52), 12189#(<= ULTIMATE.start_main_~x~4 54), 12190#(<= ULTIMATE.start_main_~x~4 56), 12191#(<= ULTIMATE.start_main_~x~4 58), 12192#(<= ULTIMATE.start_main_~x~4 60), 12193#(<= ULTIMATE.start_main_~x~4 62), 12194#(<= ULTIMATE.start_main_~x~4 64), 12195#(<= ULTIMATE.start_main_~x~4 66), 12196#(<= ULTIMATE.start_main_~x~4 68), 12197#(<= ULTIMATE.start_main_~x~4 70), 12198#(<= ULTIMATE.start_main_~x~4 72), 12199#(<= ULTIMATE.start_main_~x~4 74), 12200#(<= ULTIMATE.start_main_~x~4 76), 12201#(<= ULTIMATE.start_main_~x~4 78), 12202#(<= ULTIMATE.start_main_~x~4 80), 12203#(<= ULTIMATE.start_main_~x~4 82), 12204#(<= ULTIMATE.start_main_~x~4 84), 12205#(<= ULTIMATE.start_main_~x~4 86), 12206#(<= ULTIMATE.start_main_~x~4 88), 12207#(<= ULTIMATE.start_main_~x~4 90), 12208#(<= ULTIMATE.start_main_~x~4 92), 12209#(<= ULTIMATE.start_main_~x~4 94), 12210#(<= ULTIMATE.start_main_~x~4 96), 12211#(<= ULTIMATE.start_main_~x~4 98), 12212#(<= ULTIMATE.start_main_~x~4 100), 12213#(<= ULTIMATE.start_main_~x~4 102), 12214#(<= ULTIMATE.start_main_~x~4 104), 12215#(<= ULTIMATE.start_main_~x~4 106), 12216#(<= ULTIMATE.start_main_~x~4 108), 12217#(<= ULTIMATE.start_main_~x~4 110), 12218#(<= ULTIMATE.start_main_~x~4 112), 12219#(<= ULTIMATE.start_main_~x~4 114), 12220#(<= ULTIMATE.start_main_~x~4 116), 12221#(<= ULTIMATE.start_main_~x~4 118), 12222#(<= ULTIMATE.start_main_~x~4 120), 12223#(<= ULTIMATE.start_main_~x~4 122), 12224#(<= ULTIMATE.start_main_~x~4 124), 12225#(<= ULTIMATE.start_main_~x~4 126), 12226#(<= ULTIMATE.start_main_~x~4 128), 12227#(<= ULTIMATE.start_main_~x~4 130), 12228#(<= ULTIMATE.start_main_~x~4 132), 12229#(<= ULTIMATE.start_main_~x~4 134), 12230#(<= ULTIMATE.start_main_~x~4 136), 12231#(<= ULTIMATE.start_main_~x~4 138), 12232#(<= ULTIMATE.start_main_~x~4 140)] [2018-07-23 13:41:41,706 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 13:41:41,707 INFO L450 AbstractCegarLoop]: Interpolant automaton has 68 states [2018-07-23 13:41:41,707 INFO L132 InterpolantAutomaton]: Constructing interpolant automaton starting with 68 interpolants. [2018-07-23 13:41:41,708 INFO L133 InterpolantAutomaton]: CoverageRelationStatistics Valid=2278, Invalid=2278, Unknown=0, NotChecked=0, Total=4556 [2018-07-23 13:41:41,708 INFO L87 Difference]: Start difference. First operand 69 states and 69 transitions. Second operand 68 states. [2018-07-23 13:41:41,771 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2018-07-23 13:41:41,771 INFO L93 Difference]: Finished difference Result 72 states and 72 transitions. [2018-07-23 13:41:41,771 INFO L142 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 68 states. [2018-07-23 13:41:41,771 INFO L78 Accepts]: Start accepts. Automaton has 68 states. Word has length 68 [2018-07-23 13:41:41,772 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2018-07-23 13:41:41,772 INFO L225 Difference]: With dead ends: 72 [2018-07-23 13:41:41,772 INFO L226 Difference]: Without dead ends: 70 [2018-07-23 13:41:41,773 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 13:41:41,774 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 70 states. [2018-07-23 13:41:41,776 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 70 to 70. [2018-07-23 13:41:41,777 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 70 states. [2018-07-23 13:41:41,777 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 70 states to 70 states and 70 transitions. [2018-07-23 13:41:41,777 INFO L78 Accepts]: Start accepts. Automaton has 70 states and 70 transitions. Word has length 68 [2018-07-23 13:41:41,778 INFO L84 Accepts]: Finished accepts. word is rejected. [2018-07-23 13:41:41,778 INFO L471 AbstractCegarLoop]: Abstraction has 70 states and 70 transitions. [2018-07-23 13:41:41,778 INFO L472 AbstractCegarLoop]: Interpolant automaton has 68 states. [2018-07-23 13:41:41,778 INFO L276 IsEmpty]: Start isEmpty. Operand 70 states and 70 transitions. [2018-07-23 13:41:41,779 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 70 [2018-07-23 13:41:41,779 INFO L349 BasicCegarLoop]: Found error trace [2018-07-23 13:41:41,779 INFO L357 BasicCegarLoop]: trace histogram [66, 1, 1, 1] [2018-07-23 13:41:41,779 INFO L414 AbstractCegarLoop]: === Iteration 67 === [ULTIMATE.startErr0AssertViolationASSERT]=== [2018-07-23 13:41:41,779 INFO L82 PathProgramCache]: Analyzing trace with hash -1950134751, now seen corresponding path program 66 times [2018-07-23 13:41:41,780 INFO L69 tionRefinementEngine]: Using refinement strategy FixedRefinementStrategy [2018-07-23 13:41:41,800 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-07-23 13:41:42,094 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 13:41:42,095 INFO L309 seRefinementStrategy]: Constructing automaton from 0 perfect and 1 imperfect interpolant sequences. [2018-07-23 13:41:42,095 INFO L324 seRefinementStrategy]: Number of different interpolants: perfect sequences [] imperfect sequences [68] total 68 [2018-07-23 13:41:42,095 INFO L142 lantAutomatonBuilder]: Constructing canonical interpolant automaton, with selfloop in false state [2018-07-23 13:41:42,096 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2018-07-23 13:41:42,096 INFO L185 omatonBuilderFactory]: Interpolants [12544#(<= ULTIMATE.start_main_~x~4 60), 12545#(<= ULTIMATE.start_main_~x~4 62), 12546#(<= ULTIMATE.start_main_~x~4 64), 12547#(<= ULTIMATE.start_main_~x~4 66), 12548#(<= ULTIMATE.start_main_~x~4 68), 12549#(<= ULTIMATE.start_main_~x~4 70), 12550#(<= ULTIMATE.start_main_~x~4 72), 12551#(<= ULTIMATE.start_main_~x~4 74), 12552#(<= ULTIMATE.start_main_~x~4 76), 12553#(<= ULTIMATE.start_main_~x~4 78), 12554#(<= ULTIMATE.start_main_~x~4 80), 12555#(<= ULTIMATE.start_main_~x~4 82), 12556#(<= ULTIMATE.start_main_~x~4 84), 12557#(<= ULTIMATE.start_main_~x~4 86), 12558#(<= ULTIMATE.start_main_~x~4 88), 12559#(<= ULTIMATE.start_main_~x~4 90), 12560#(<= ULTIMATE.start_main_~x~4 92), 12561#(<= ULTIMATE.start_main_~x~4 94), 12562#(<= ULTIMATE.start_main_~x~4 96), 12563#(<= ULTIMATE.start_main_~x~4 98), 12564#(<= ULTIMATE.start_main_~x~4 100), 12565#(<= ULTIMATE.start_main_~x~4 102), 12566#(<= ULTIMATE.start_main_~x~4 104), 12567#(<= ULTIMATE.start_main_~x~4 106), 12568#(<= ULTIMATE.start_main_~x~4 108), 12569#(<= ULTIMATE.start_main_~x~4 110), 12570#(<= ULTIMATE.start_main_~x~4 112), 12571#(<= ULTIMATE.start_main_~x~4 114), 12572#(<= ULTIMATE.start_main_~x~4 116), 12573#(<= ULTIMATE.start_main_~x~4 118), 12574#(<= ULTIMATE.start_main_~x~4 120), 12575#(<= ULTIMATE.start_main_~x~4 122), 12576#(<= ULTIMATE.start_main_~x~4 124), 12577#(<= ULTIMATE.start_main_~x~4 126), 12578#(<= ULTIMATE.start_main_~x~4 128), 12579#(<= ULTIMATE.start_main_~x~4 130), 12580#(<= ULTIMATE.start_main_~x~4 132), 12581#(<= ULTIMATE.start_main_~x~4 134), 12582#(<= ULTIMATE.start_main_~x~4 136), 12583#(<= ULTIMATE.start_main_~x~4 138), 12584#(<= ULTIMATE.start_main_~x~4 140), 12585#(<= ULTIMATE.start_main_~x~4 142), 12517#true, 12518#false, 12519#(<= ULTIMATE.start_main_~x~4 10), 12520#(<= ULTIMATE.start_main_~x~4 12), 12521#(<= ULTIMATE.start_main_~x~4 14), 12522#(<= ULTIMATE.start_main_~x~4 16), 12523#(<= ULTIMATE.start_main_~x~4 18), 12524#(<= ULTIMATE.start_main_~x~4 20), 12525#(<= ULTIMATE.start_main_~x~4 22), 12526#(<= ULTIMATE.start_main_~x~4 24), 12527#(<= ULTIMATE.start_main_~x~4 26), 12528#(<= ULTIMATE.start_main_~x~4 28), 12529#(<= ULTIMATE.start_main_~x~4 30), 12530#(<= ULTIMATE.start_main_~x~4 32), 12531#(<= ULTIMATE.start_main_~x~4 34), 12532#(<= ULTIMATE.start_main_~x~4 36), 12533#(<= ULTIMATE.start_main_~x~4 38), 12534#(<= ULTIMATE.start_main_~x~4 40), 12535#(<= ULTIMATE.start_main_~x~4 42), 12536#(<= ULTIMATE.start_main_~x~4 44), 12537#(<= ULTIMATE.start_main_~x~4 46), 12538#(<= ULTIMATE.start_main_~x~4 48), 12539#(<= ULTIMATE.start_main_~x~4 50), 12540#(<= ULTIMATE.start_main_~x~4 52), 12541#(<= ULTIMATE.start_main_~x~4 54), 12542#(<= ULTIMATE.start_main_~x~4 56), 12543#(<= ULTIMATE.start_main_~x~4 58)] [2018-07-23 13:41:42,097 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 13:41:42,097 INFO L450 AbstractCegarLoop]: Interpolant automaton has 69 states [2018-07-23 13:41:42,098 INFO L132 InterpolantAutomaton]: Constructing interpolant automaton starting with 69 interpolants. [2018-07-23 13:41:42,098 INFO L133 InterpolantAutomaton]: CoverageRelationStatistics Valid=2346, Invalid=2346, Unknown=0, NotChecked=0, Total=4692 [2018-07-23 13:41:42,099 INFO L87 Difference]: Start difference. First operand 70 states and 70 transitions. Second operand 69 states. [2018-07-23 13:41:42,140 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2018-07-23 13:41:42,141 INFO L93 Difference]: Finished difference Result 73 states and 73 transitions. [2018-07-23 13:41:42,141 INFO L142 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 69 states. [2018-07-23 13:41:42,141 INFO L78 Accepts]: Start accepts. Automaton has 69 states. Word has length 69 [2018-07-23 13:41:42,141 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2018-07-23 13:41:42,142 INFO L225 Difference]: With dead ends: 73 [2018-07-23 13:41:42,142 INFO L226 Difference]: Without dead ends: 71 [2018-07-23 13:41:42,143 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 13:41:42,143 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 71 states. [2018-07-23 13:41:42,145 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 71 to 71. [2018-07-23 13:41:42,145 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 71 states. [2018-07-23 13:41:42,145 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 71 states to 71 states and 71 transitions. [2018-07-23 13:41:42,146 INFO L78 Accepts]: Start accepts. Automaton has 71 states and 71 transitions. Word has length 69 [2018-07-23 13:41:42,146 INFO L84 Accepts]: Finished accepts. word is rejected. [2018-07-23 13:41:42,146 INFO L471 AbstractCegarLoop]: Abstraction has 71 states and 71 transitions. [2018-07-23 13:41:42,146 INFO L472 AbstractCegarLoop]: Interpolant automaton has 69 states. [2018-07-23 13:41:42,146 INFO L276 IsEmpty]: Start isEmpty. Operand 71 states and 71 transitions. [2018-07-23 13:41:42,147 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 71 [2018-07-23 13:41:42,147 INFO L349 BasicCegarLoop]: Found error trace [2018-07-23 13:41:42,147 INFO L357 BasicCegarLoop]: trace histogram [67, 1, 1, 1] [2018-07-23 13:41:42,147 INFO L414 AbstractCegarLoop]: === Iteration 68 === [ULTIMATE.startErr0AssertViolationASSERT]=== [2018-07-23 13:41:42,147 INFO L82 PathProgramCache]: Analyzing trace with hash -324637112, now seen corresponding path program 67 times [2018-07-23 13:41:42,147 INFO L69 tionRefinementEngine]: Using refinement strategy FixedRefinementStrategy [2018-07-23 13:41:42,156 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-07-23 13:41:42,359 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 13:41:42,360 INFO L309 seRefinementStrategy]: Constructing automaton from 0 perfect and 1 imperfect interpolant sequences. [2018-07-23 13:41:42,360 INFO L324 seRefinementStrategy]: Number of different interpolants: perfect sequences [] imperfect sequences [69] total 69 [2018-07-23 13:41:42,360 INFO L142 lantAutomatonBuilder]: Constructing canonical interpolant automaton, with selfloop in false state [2018-07-23 13:41:42,360 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2018-07-23 13:41:42,361 INFO L185 omatonBuilderFactory]: Interpolants [12928#(<= ULTIMATE.start_main_~x~4 114), 12929#(<= ULTIMATE.start_main_~x~4 116), 12930#(<= ULTIMATE.start_main_~x~4 118), 12931#(<= ULTIMATE.start_main_~x~4 120), 12932#(<= ULTIMATE.start_main_~x~4 122), 12933#(<= ULTIMATE.start_main_~x~4 124), 12934#(<= ULTIMATE.start_main_~x~4 126), 12935#(<= ULTIMATE.start_main_~x~4 128), 12936#(<= ULTIMATE.start_main_~x~4 130), 12937#(<= ULTIMATE.start_main_~x~4 132), 12938#(<= ULTIMATE.start_main_~x~4 134), 12939#(<= ULTIMATE.start_main_~x~4 136), 12940#(<= ULTIMATE.start_main_~x~4 138), 12941#(<= ULTIMATE.start_main_~x~4 140), 12942#(<= ULTIMATE.start_main_~x~4 142), 12943#(<= ULTIMATE.start_main_~x~4 144), 12874#true, 12875#false, 12876#(<= ULTIMATE.start_main_~x~4 10), 12877#(<= ULTIMATE.start_main_~x~4 12), 12878#(<= ULTIMATE.start_main_~x~4 14), 12879#(<= ULTIMATE.start_main_~x~4 16), 12880#(<= ULTIMATE.start_main_~x~4 18), 12881#(<= ULTIMATE.start_main_~x~4 20), 12882#(<= ULTIMATE.start_main_~x~4 22), 12883#(<= ULTIMATE.start_main_~x~4 24), 12884#(<= ULTIMATE.start_main_~x~4 26), 12885#(<= ULTIMATE.start_main_~x~4 28), 12886#(<= ULTIMATE.start_main_~x~4 30), 12887#(<= ULTIMATE.start_main_~x~4 32), 12888#(<= ULTIMATE.start_main_~x~4 34), 12889#(<= ULTIMATE.start_main_~x~4 36), 12890#(<= ULTIMATE.start_main_~x~4 38), 12891#(<= ULTIMATE.start_main_~x~4 40), 12892#(<= ULTIMATE.start_main_~x~4 42), 12893#(<= ULTIMATE.start_main_~x~4 44), 12894#(<= ULTIMATE.start_main_~x~4 46), 12895#(<= ULTIMATE.start_main_~x~4 48), 12896#(<= ULTIMATE.start_main_~x~4 50), 12897#(<= ULTIMATE.start_main_~x~4 52), 12898#(<= ULTIMATE.start_main_~x~4 54), 12899#(<= ULTIMATE.start_main_~x~4 56), 12900#(<= ULTIMATE.start_main_~x~4 58), 12901#(<= ULTIMATE.start_main_~x~4 60), 12902#(<= ULTIMATE.start_main_~x~4 62), 12903#(<= ULTIMATE.start_main_~x~4 64), 12904#(<= ULTIMATE.start_main_~x~4 66), 12905#(<= ULTIMATE.start_main_~x~4 68), 12906#(<= ULTIMATE.start_main_~x~4 70), 12907#(<= ULTIMATE.start_main_~x~4 72), 12908#(<= ULTIMATE.start_main_~x~4 74), 12909#(<= ULTIMATE.start_main_~x~4 76), 12910#(<= ULTIMATE.start_main_~x~4 78), 12911#(<= ULTIMATE.start_main_~x~4 80), 12912#(<= ULTIMATE.start_main_~x~4 82), 12913#(<= ULTIMATE.start_main_~x~4 84), 12914#(<= ULTIMATE.start_main_~x~4 86), 12915#(<= ULTIMATE.start_main_~x~4 88), 12916#(<= ULTIMATE.start_main_~x~4 90), 12917#(<= ULTIMATE.start_main_~x~4 92), 12918#(<= ULTIMATE.start_main_~x~4 94), 12919#(<= ULTIMATE.start_main_~x~4 96), 12920#(<= ULTIMATE.start_main_~x~4 98), 12921#(<= ULTIMATE.start_main_~x~4 100), 12922#(<= ULTIMATE.start_main_~x~4 102), 12923#(<= ULTIMATE.start_main_~x~4 104), 12924#(<= ULTIMATE.start_main_~x~4 106), 12925#(<= ULTIMATE.start_main_~x~4 108), 12926#(<= ULTIMATE.start_main_~x~4 110), 12927#(<= ULTIMATE.start_main_~x~4 112)] [2018-07-23 13:41:42,361 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 13:41:42,362 INFO L450 AbstractCegarLoop]: Interpolant automaton has 70 states [2018-07-23 13:41:42,362 INFO L132 InterpolantAutomaton]: Constructing interpolant automaton starting with 70 interpolants. [2018-07-23 13:41:42,363 INFO L133 InterpolantAutomaton]: CoverageRelationStatistics Valid=2415, Invalid=2415, Unknown=0, NotChecked=0, Total=4830 [2018-07-23 13:41:42,363 INFO L87 Difference]: Start difference. First operand 71 states and 71 transitions. Second operand 70 states. [2018-07-23 13:41:42,403 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2018-07-23 13:41:42,403 INFO L93 Difference]: Finished difference Result 74 states and 74 transitions. [2018-07-23 13:41:42,403 INFO L142 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 70 states. [2018-07-23 13:41:42,403 INFO L78 Accepts]: Start accepts. Automaton has 70 states. Word has length 70 [2018-07-23 13:41:42,404 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2018-07-23 13:41:42,404 INFO L225 Difference]: With dead ends: 74 [2018-07-23 13:41:42,404 INFO L226 Difference]: Without dead ends: 72 [2018-07-23 13:41:42,405 INFO L575 BasicCegarLoop]: 0 DeclaredPredicates, 69 GetRequests, 1 SyntacticMatches, 0 SemanticMatches, 68 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 0 ImplicationChecksByTransitivity, 0.1s TimeCoverageRelationStatistics Valid=2415, Invalid=2415, Unknown=0, NotChecked=0, Total=4830 [2018-07-23 13:41:42,405 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 72 states. [2018-07-23 13:41:42,407 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 72 to 72. [2018-07-23 13:41:42,408 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 72 states. [2018-07-23 13:41:42,408 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 72 states to 72 states and 72 transitions. [2018-07-23 13:41:42,408 INFO L78 Accepts]: Start accepts. Automaton has 72 states and 72 transitions. Word has length 70 [2018-07-23 13:41:42,408 INFO L84 Accepts]: Finished accepts. word is rejected. [2018-07-23 13:41:42,408 INFO L471 AbstractCegarLoop]: Abstraction has 72 states and 72 transitions. [2018-07-23 13:41:42,408 INFO L472 AbstractCegarLoop]: Interpolant automaton has 70 states. [2018-07-23 13:41:42,409 INFO L276 IsEmpty]: Start isEmpty. Operand 72 states and 72 transitions. [2018-07-23 13:41:42,409 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 72 [2018-07-23 13:41:42,409 INFO L349 BasicCegarLoop]: Found error trace [2018-07-23 13:41:42,409 INFO L357 BasicCegarLoop]: trace histogram [68, 1, 1, 1] [2018-07-23 13:41:42,410 INFO L414 AbstractCegarLoop]: === Iteration 69 === [ULTIMATE.startErr0AssertViolationASSERT]=== [2018-07-23 13:41:42,410 INFO L82 PathProgramCache]: Analyzing trace with hash -1473817855, now seen corresponding path program 68 times [2018-07-23 13:41:42,410 INFO L69 tionRefinementEngine]: Using refinement strategy FixedRefinementStrategy [2018-07-23 13:41:42,419 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-07-23 13:41:42,630 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 13:41:42,630 INFO L309 seRefinementStrategy]: Constructing automaton from 0 perfect and 1 imperfect interpolant sequences. [2018-07-23 13:41:42,630 INFO L324 seRefinementStrategy]: Number of different interpolants: perfect sequences [] imperfect sequences [70] total 70 [2018-07-23 13:41:42,630 INFO L142 lantAutomatonBuilder]: Constructing canonical interpolant automaton, with selfloop in false state [2018-07-23 13:41:42,631 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 13:41:42,631 INFO L185 omatonBuilderFactory]: Interpolants [13236#true, 13237#false, 13238#(<= ULTIMATE.start_main_~x~4 10), 13239#(<= ULTIMATE.start_main_~x~4 12), 13240#(<= ULTIMATE.start_main_~x~4 14), 13241#(<= ULTIMATE.start_main_~x~4 16), 13242#(<= ULTIMATE.start_main_~x~4 18), 13243#(<= ULTIMATE.start_main_~x~4 20), 13244#(<= ULTIMATE.start_main_~x~4 22), 13245#(<= ULTIMATE.start_main_~x~4 24), 13246#(<= ULTIMATE.start_main_~x~4 26), 13247#(<= ULTIMATE.start_main_~x~4 28), 13248#(<= ULTIMATE.start_main_~x~4 30), 13249#(<= ULTIMATE.start_main_~x~4 32), 13250#(<= ULTIMATE.start_main_~x~4 34), 13251#(<= ULTIMATE.start_main_~x~4 36), 13252#(<= ULTIMATE.start_main_~x~4 38), 13253#(<= ULTIMATE.start_main_~x~4 40), 13254#(<= ULTIMATE.start_main_~x~4 42), 13255#(<= ULTIMATE.start_main_~x~4 44), 13256#(<= ULTIMATE.start_main_~x~4 46), 13257#(<= ULTIMATE.start_main_~x~4 48), 13258#(<= ULTIMATE.start_main_~x~4 50), 13259#(<= ULTIMATE.start_main_~x~4 52), 13260#(<= ULTIMATE.start_main_~x~4 54), 13261#(<= ULTIMATE.start_main_~x~4 56), 13262#(<= ULTIMATE.start_main_~x~4 58), 13263#(<= ULTIMATE.start_main_~x~4 60), 13264#(<= ULTIMATE.start_main_~x~4 62), 13265#(<= ULTIMATE.start_main_~x~4 64), 13266#(<= ULTIMATE.start_main_~x~4 66), 13267#(<= ULTIMATE.start_main_~x~4 68), 13268#(<= ULTIMATE.start_main_~x~4 70), 13269#(<= ULTIMATE.start_main_~x~4 72), 13270#(<= ULTIMATE.start_main_~x~4 74), 13271#(<= ULTIMATE.start_main_~x~4 76), 13272#(<= ULTIMATE.start_main_~x~4 78), 13273#(<= ULTIMATE.start_main_~x~4 80), 13274#(<= ULTIMATE.start_main_~x~4 82), 13275#(<= ULTIMATE.start_main_~x~4 84), 13276#(<= ULTIMATE.start_main_~x~4 86), 13277#(<= ULTIMATE.start_main_~x~4 88), 13278#(<= ULTIMATE.start_main_~x~4 90), 13279#(<= ULTIMATE.start_main_~x~4 92), 13280#(<= ULTIMATE.start_main_~x~4 94), 13281#(<= ULTIMATE.start_main_~x~4 96), 13282#(<= ULTIMATE.start_main_~x~4 98), 13283#(<= ULTIMATE.start_main_~x~4 100), 13284#(<= ULTIMATE.start_main_~x~4 102), 13285#(<= ULTIMATE.start_main_~x~4 104), 13286#(<= ULTIMATE.start_main_~x~4 106), 13287#(<= ULTIMATE.start_main_~x~4 108), 13288#(<= ULTIMATE.start_main_~x~4 110), 13289#(<= ULTIMATE.start_main_~x~4 112), 13290#(<= ULTIMATE.start_main_~x~4 114), 13291#(<= ULTIMATE.start_main_~x~4 116), 13292#(<= ULTIMATE.start_main_~x~4 118), 13293#(<= ULTIMATE.start_main_~x~4 120), 13294#(<= ULTIMATE.start_main_~x~4 122), 13295#(<= ULTIMATE.start_main_~x~4 124), 13296#(<= ULTIMATE.start_main_~x~4 126), 13297#(<= ULTIMATE.start_main_~x~4 128), 13298#(<= ULTIMATE.start_main_~x~4 130), 13299#(<= ULTIMATE.start_main_~x~4 132), 13300#(<= ULTIMATE.start_main_~x~4 134), 13301#(<= ULTIMATE.start_main_~x~4 136), 13302#(<= ULTIMATE.start_main_~x~4 138), 13303#(<= ULTIMATE.start_main_~x~4 140), 13304#(<= ULTIMATE.start_main_~x~4 142), 13305#(<= ULTIMATE.start_main_~x~4 144), 13306#(<= ULTIMATE.start_main_~x~4 146)] [2018-07-23 13:41:42,631 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 13:41:42,632 INFO L450 AbstractCegarLoop]: Interpolant automaton has 71 states [2018-07-23 13:41:42,632 INFO L132 InterpolantAutomaton]: Constructing interpolant automaton starting with 71 interpolants. [2018-07-23 13:41:42,633 INFO L133 InterpolantAutomaton]: CoverageRelationStatistics Valid=2485, Invalid=2485, Unknown=0, NotChecked=0, Total=4970 [2018-07-23 13:41:42,633 INFO L87 Difference]: Start difference. First operand 72 states and 72 transitions. Second operand 71 states. [2018-07-23 13:41:42,696 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2018-07-23 13:41:42,696 INFO L93 Difference]: Finished difference Result 75 states and 75 transitions. [2018-07-23 13:41:42,697 INFO L142 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 71 states. [2018-07-23 13:41:42,697 INFO L78 Accepts]: Start accepts. Automaton has 71 states. Word has length 71 [2018-07-23 13:41:42,697 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2018-07-23 13:41:42,697 INFO L225 Difference]: With dead ends: 75 [2018-07-23 13:41:42,698 INFO L226 Difference]: Without dead ends: 73 [2018-07-23 13:41:42,699 INFO L575 BasicCegarLoop]: 0 DeclaredPredicates, 70 GetRequests, 1 SyntacticMatches, 0 SemanticMatches, 69 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 0 ImplicationChecksByTransitivity, 0.1s TimeCoverageRelationStatistics Valid=2485, Invalid=2485, Unknown=0, NotChecked=0, Total=4970 [2018-07-23 13:41:42,699 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 73 states. [2018-07-23 13:41:42,701 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 73 to 73. [2018-07-23 13:41:42,701 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 73 states. [2018-07-23 13:41:42,701 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 73 states to 73 states and 73 transitions. [2018-07-23 13:41:42,702 INFO L78 Accepts]: Start accepts. Automaton has 73 states and 73 transitions. Word has length 71 [2018-07-23 13:41:42,702 INFO L84 Accepts]: Finished accepts. word is rejected. [2018-07-23 13:41:42,702 INFO L471 AbstractCegarLoop]: Abstraction has 73 states and 73 transitions. [2018-07-23 13:41:42,702 INFO L472 AbstractCegarLoop]: Interpolant automaton has 71 states. [2018-07-23 13:41:42,702 INFO L276 IsEmpty]: Start isEmpty. Operand 73 states and 73 transitions. [2018-07-23 13:41:42,703 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 73 [2018-07-23 13:41:42,703 INFO L349 BasicCegarLoop]: Found error trace [2018-07-23 13:41:42,703 INFO L357 BasicCegarLoop]: trace histogram [69, 1, 1, 1] [2018-07-23 13:41:42,703 INFO L414 AbstractCegarLoop]: === Iteration 70 === [ULTIMATE.startErr0AssertViolationASSERT]=== [2018-07-23 13:41:42,703 INFO L82 PathProgramCache]: Analyzing trace with hash 1556284776, now seen corresponding path program 69 times [2018-07-23 13:41:42,704 INFO L69 tionRefinementEngine]: Using refinement strategy FixedRefinementStrategy [2018-07-23 13:41:42,714 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-07-23 13:41:42,928 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 13:41:42,928 INFO L309 seRefinementStrategy]: Constructing automaton from 0 perfect and 1 imperfect interpolant sequences. [2018-07-23 13:41:42,928 INFO L324 seRefinementStrategy]: Number of different interpolants: perfect sequences [] imperfect sequences [71] total 71 [2018-07-23 13:41:42,928 INFO L142 lantAutomatonBuilder]: Constructing canonical interpolant automaton, with selfloop in false state [2018-07-23 13:41:42,929 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 13:41:42,929 INFO L185 omatonBuilderFactory]: Interpolants [13603#true, 13604#false, 13605#(<= ULTIMATE.start_main_~x~4 10), 13606#(<= ULTIMATE.start_main_~x~4 12), 13607#(<= ULTIMATE.start_main_~x~4 14), 13608#(<= ULTIMATE.start_main_~x~4 16), 13609#(<= ULTIMATE.start_main_~x~4 18), 13610#(<= ULTIMATE.start_main_~x~4 20), 13611#(<= ULTIMATE.start_main_~x~4 22), 13612#(<= ULTIMATE.start_main_~x~4 24), 13613#(<= ULTIMATE.start_main_~x~4 26), 13614#(<= ULTIMATE.start_main_~x~4 28), 13615#(<= ULTIMATE.start_main_~x~4 30), 13616#(<= ULTIMATE.start_main_~x~4 32), 13617#(<= ULTIMATE.start_main_~x~4 34), 13618#(<= ULTIMATE.start_main_~x~4 36), 13619#(<= ULTIMATE.start_main_~x~4 38), 13620#(<= ULTIMATE.start_main_~x~4 40), 13621#(<= ULTIMATE.start_main_~x~4 42), 13622#(<= ULTIMATE.start_main_~x~4 44), 13623#(<= ULTIMATE.start_main_~x~4 46), 13624#(<= ULTIMATE.start_main_~x~4 48), 13625#(<= ULTIMATE.start_main_~x~4 50), 13626#(<= ULTIMATE.start_main_~x~4 52), 13627#(<= ULTIMATE.start_main_~x~4 54), 13628#(<= ULTIMATE.start_main_~x~4 56), 13629#(<= ULTIMATE.start_main_~x~4 58), 13630#(<= ULTIMATE.start_main_~x~4 60), 13631#(<= ULTIMATE.start_main_~x~4 62), 13632#(<= ULTIMATE.start_main_~x~4 64), 13633#(<= ULTIMATE.start_main_~x~4 66), 13634#(<= ULTIMATE.start_main_~x~4 68), 13635#(<= ULTIMATE.start_main_~x~4 70), 13636#(<= ULTIMATE.start_main_~x~4 72), 13637#(<= ULTIMATE.start_main_~x~4 74), 13638#(<= ULTIMATE.start_main_~x~4 76), 13639#(<= ULTIMATE.start_main_~x~4 78), 13640#(<= ULTIMATE.start_main_~x~4 80), 13641#(<= ULTIMATE.start_main_~x~4 82), 13642#(<= ULTIMATE.start_main_~x~4 84), 13643#(<= ULTIMATE.start_main_~x~4 86), 13644#(<= ULTIMATE.start_main_~x~4 88), 13645#(<= ULTIMATE.start_main_~x~4 90), 13646#(<= ULTIMATE.start_main_~x~4 92), 13647#(<= ULTIMATE.start_main_~x~4 94), 13648#(<= ULTIMATE.start_main_~x~4 96), 13649#(<= ULTIMATE.start_main_~x~4 98), 13650#(<= ULTIMATE.start_main_~x~4 100), 13651#(<= ULTIMATE.start_main_~x~4 102), 13652#(<= ULTIMATE.start_main_~x~4 104), 13653#(<= ULTIMATE.start_main_~x~4 106), 13654#(<= ULTIMATE.start_main_~x~4 108), 13655#(<= ULTIMATE.start_main_~x~4 110), 13656#(<= ULTIMATE.start_main_~x~4 112), 13657#(<= ULTIMATE.start_main_~x~4 114), 13658#(<= ULTIMATE.start_main_~x~4 116), 13659#(<= ULTIMATE.start_main_~x~4 118), 13660#(<= ULTIMATE.start_main_~x~4 120), 13661#(<= ULTIMATE.start_main_~x~4 122), 13662#(<= ULTIMATE.start_main_~x~4 124), 13663#(<= ULTIMATE.start_main_~x~4 126), 13664#(<= ULTIMATE.start_main_~x~4 128), 13665#(<= ULTIMATE.start_main_~x~4 130), 13666#(<= ULTIMATE.start_main_~x~4 132), 13667#(<= ULTIMATE.start_main_~x~4 134), 13668#(<= ULTIMATE.start_main_~x~4 136), 13669#(<= ULTIMATE.start_main_~x~4 138), 13670#(<= ULTIMATE.start_main_~x~4 140), 13671#(<= ULTIMATE.start_main_~x~4 142), 13672#(<= ULTIMATE.start_main_~x~4 144), 13673#(<= ULTIMATE.start_main_~x~4 146), 13674#(<= ULTIMATE.start_main_~x~4 148)] [2018-07-23 13:41:42,930 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 13:41:42,930 INFO L450 AbstractCegarLoop]: Interpolant automaton has 72 states [2018-07-23 13:41:42,931 INFO L132 InterpolantAutomaton]: Constructing interpolant automaton starting with 72 interpolants. [2018-07-23 13:41:42,931 INFO L133 InterpolantAutomaton]: CoverageRelationStatistics Valid=2556, Invalid=2556, Unknown=0, NotChecked=0, Total=5112 [2018-07-23 13:41:42,932 INFO L87 Difference]: Start difference. First operand 73 states and 73 transitions. Second operand 72 states. [2018-07-23 13:41:42,995 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2018-07-23 13:41:42,995 INFO L93 Difference]: Finished difference Result 76 states and 76 transitions. [2018-07-23 13:41:42,995 INFO L142 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 72 states. [2018-07-23 13:41:42,996 INFO L78 Accepts]: Start accepts. Automaton has 72 states. Word has length 72 [2018-07-23 13:41:42,996 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2018-07-23 13:41:42,996 INFO L225 Difference]: With dead ends: 76 [2018-07-23 13:41:42,996 INFO L226 Difference]: Without dead ends: 74 [2018-07-23 13:41:42,997 INFO L575 BasicCegarLoop]: 0 DeclaredPredicates, 71 GetRequests, 1 SyntacticMatches, 0 SemanticMatches, 70 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 0 ImplicationChecksByTransitivity, 0.1s TimeCoverageRelationStatistics Valid=2556, Invalid=2556, Unknown=0, NotChecked=0, Total=5112 [2018-07-23 13:41:42,997 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 74 states. [2018-07-23 13:41:42,999 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 74 to 74. [2018-07-23 13:41:43,000 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 74 states. [2018-07-23 13:41:43,000 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 74 states to 74 states and 74 transitions. [2018-07-23 13:41:43,000 INFO L78 Accepts]: Start accepts. Automaton has 74 states and 74 transitions. Word has length 72 [2018-07-23 13:41:43,000 INFO L84 Accepts]: Finished accepts. word is rejected. [2018-07-23 13:41:43,000 INFO L471 AbstractCegarLoop]: Abstraction has 74 states and 74 transitions. [2018-07-23 13:41:43,000 INFO L472 AbstractCegarLoop]: Interpolant automaton has 72 states. [2018-07-23 13:41:43,001 INFO L276 IsEmpty]: Start isEmpty. Operand 74 states and 74 transitions. [2018-07-23 13:41:43,001 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 74 [2018-07-23 13:41:43,001 INFO L349 BasicCegarLoop]: Found error trace [2018-07-23 13:41:43,001 INFO L357 BasicCegarLoop]: trace histogram [70, 1, 1, 1] [2018-07-23 13:41:43,002 INFO L414 AbstractCegarLoop]: === Iteration 71 === [ULTIMATE.startErr0AssertViolationASSERT]=== [2018-07-23 13:41:43,002 INFO L82 PathProgramCache]: Analyzing trace with hash 1000185825, now seen corresponding path program 70 times [2018-07-23 13:41:43,002 INFO L69 tionRefinementEngine]: Using refinement strategy FixedRefinementStrategy [2018-07-23 13:41:43,012 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-07-23 13:41:43,222 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 13:41:43,223 INFO L309 seRefinementStrategy]: Constructing automaton from 0 perfect and 1 imperfect interpolant sequences. [2018-07-23 13:41:43,223 INFO L324 seRefinementStrategy]: Number of different interpolants: perfect sequences [] imperfect sequences [72] total 72 [2018-07-23 13:41:43,223 INFO L142 lantAutomatonBuilder]: Constructing canonical interpolant automaton, with selfloop in false state [2018-07-23 13:41:43,223 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2018-07-23 13:41:43,224 INFO L185 omatonBuilderFactory]: Interpolants [13975#true, 13976#false, 13977#(<= ULTIMATE.start_main_~x~4 10), 13978#(<= ULTIMATE.start_main_~x~4 12), 13979#(<= ULTIMATE.start_main_~x~4 14), 13980#(<= ULTIMATE.start_main_~x~4 16), 13981#(<= ULTIMATE.start_main_~x~4 18), 13982#(<= ULTIMATE.start_main_~x~4 20), 13983#(<= ULTIMATE.start_main_~x~4 22), 13984#(<= ULTIMATE.start_main_~x~4 24), 13985#(<= ULTIMATE.start_main_~x~4 26), 13986#(<= ULTIMATE.start_main_~x~4 28), 13987#(<= ULTIMATE.start_main_~x~4 30), 13988#(<= ULTIMATE.start_main_~x~4 32), 13989#(<= ULTIMATE.start_main_~x~4 34), 13990#(<= ULTIMATE.start_main_~x~4 36), 13991#(<= ULTIMATE.start_main_~x~4 38), 13992#(<= ULTIMATE.start_main_~x~4 40), 13993#(<= ULTIMATE.start_main_~x~4 42), 13994#(<= ULTIMATE.start_main_~x~4 44), 13995#(<= ULTIMATE.start_main_~x~4 46), 13996#(<= ULTIMATE.start_main_~x~4 48), 13997#(<= ULTIMATE.start_main_~x~4 50), 13998#(<= ULTIMATE.start_main_~x~4 52), 13999#(<= ULTIMATE.start_main_~x~4 54), 14000#(<= ULTIMATE.start_main_~x~4 56), 14001#(<= ULTIMATE.start_main_~x~4 58), 14002#(<= ULTIMATE.start_main_~x~4 60), 14003#(<= ULTIMATE.start_main_~x~4 62), 14004#(<= ULTIMATE.start_main_~x~4 64), 14005#(<= ULTIMATE.start_main_~x~4 66), 14006#(<= ULTIMATE.start_main_~x~4 68), 14007#(<= ULTIMATE.start_main_~x~4 70), 14008#(<= ULTIMATE.start_main_~x~4 72), 14009#(<= ULTIMATE.start_main_~x~4 74), 14010#(<= ULTIMATE.start_main_~x~4 76), 14011#(<= ULTIMATE.start_main_~x~4 78), 14012#(<= ULTIMATE.start_main_~x~4 80), 14013#(<= ULTIMATE.start_main_~x~4 82), 14014#(<= ULTIMATE.start_main_~x~4 84), 14015#(<= ULTIMATE.start_main_~x~4 86), 14016#(<= ULTIMATE.start_main_~x~4 88), 14017#(<= ULTIMATE.start_main_~x~4 90), 14018#(<= ULTIMATE.start_main_~x~4 92), 14019#(<= ULTIMATE.start_main_~x~4 94), 14020#(<= ULTIMATE.start_main_~x~4 96), 14021#(<= ULTIMATE.start_main_~x~4 98), 14022#(<= ULTIMATE.start_main_~x~4 100), 14023#(<= ULTIMATE.start_main_~x~4 102), 14024#(<= ULTIMATE.start_main_~x~4 104), 14025#(<= ULTIMATE.start_main_~x~4 106), 14026#(<= ULTIMATE.start_main_~x~4 108), 14027#(<= ULTIMATE.start_main_~x~4 110), 14028#(<= ULTIMATE.start_main_~x~4 112), 14029#(<= ULTIMATE.start_main_~x~4 114), 14030#(<= ULTIMATE.start_main_~x~4 116), 14031#(<= ULTIMATE.start_main_~x~4 118), 14032#(<= ULTIMATE.start_main_~x~4 120), 14033#(<= ULTIMATE.start_main_~x~4 122), 14034#(<= ULTIMATE.start_main_~x~4 124), 14035#(<= ULTIMATE.start_main_~x~4 126), 14036#(<= ULTIMATE.start_main_~x~4 128), 14037#(<= ULTIMATE.start_main_~x~4 130), 14038#(<= ULTIMATE.start_main_~x~4 132), 14039#(<= ULTIMATE.start_main_~x~4 134), 14040#(<= ULTIMATE.start_main_~x~4 136), 14041#(<= ULTIMATE.start_main_~x~4 138), 14042#(<= ULTIMATE.start_main_~x~4 140), 14043#(<= ULTIMATE.start_main_~x~4 142), 14044#(<= ULTIMATE.start_main_~x~4 144), 14045#(<= ULTIMATE.start_main_~x~4 146), 14046#(<= ULTIMATE.start_main_~x~4 148), 14047#(<= ULTIMATE.start_main_~x~4 150)] [2018-07-23 13:41:43,224 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 13:41:43,224 INFO L450 AbstractCegarLoop]: Interpolant automaton has 73 states [2018-07-23 13:41:43,225 INFO L132 InterpolantAutomaton]: Constructing interpolant automaton starting with 73 interpolants. [2018-07-23 13:41:43,226 INFO L133 InterpolantAutomaton]: CoverageRelationStatistics Valid=2628, Invalid=2628, Unknown=0, NotChecked=0, Total=5256 [2018-07-23 13:41:43,226 INFO L87 Difference]: Start difference. First operand 74 states and 74 transitions. Second operand 73 states. [2018-07-23 13:41:43,289 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2018-07-23 13:41:43,289 INFO L93 Difference]: Finished difference Result 77 states and 77 transitions. [2018-07-23 13:41:43,289 INFO L142 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 73 states. [2018-07-23 13:41:43,289 INFO L78 Accepts]: Start accepts. Automaton has 73 states. Word has length 73 [2018-07-23 13:41:43,290 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2018-07-23 13:41:43,290 INFO L225 Difference]: With dead ends: 77 [2018-07-23 13:41:43,290 INFO L226 Difference]: Without dead ends: 75 [2018-07-23 13:41:43,291 INFO L575 BasicCegarLoop]: 0 DeclaredPredicates, 72 GetRequests, 1 SyntacticMatches, 0 SemanticMatches, 71 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 0 ImplicationChecksByTransitivity, 0.1s TimeCoverageRelationStatistics Valid=2628, Invalid=2628, Unknown=0, NotChecked=0, Total=5256 [2018-07-23 13:41:43,291 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 75 states. [2018-07-23 13:41:43,293 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 75 to 75. [2018-07-23 13:41:43,294 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 75 states. [2018-07-23 13:41:43,294 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 75 states to 75 states and 75 transitions. [2018-07-23 13:41:43,294 INFO L78 Accepts]: Start accepts. Automaton has 75 states and 75 transitions. Word has length 73 [2018-07-23 13:41:43,294 INFO L84 Accepts]: Finished accepts. word is rejected. [2018-07-23 13:41:43,294 INFO L471 AbstractCegarLoop]: Abstraction has 75 states and 75 transitions. [2018-07-23 13:41:43,295 INFO L472 AbstractCegarLoop]: Interpolant automaton has 73 states. [2018-07-23 13:41:43,295 INFO L276 IsEmpty]: Start isEmpty. Operand 75 states and 75 transitions. [2018-07-23 13:41:43,295 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 75 [2018-07-23 13:41:43,295 INFO L349 BasicCegarLoop]: Found error trace [2018-07-23 13:41:43,295 INFO L357 BasicCegarLoop]: trace histogram [71, 1, 1, 1] [2018-07-23 13:41:43,296 INFO L414 AbstractCegarLoop]: === Iteration 72 === [ULTIMATE.startErr0AssertViolationASSERT]=== [2018-07-23 13:41:43,296 INFO L82 PathProgramCache]: Analyzing trace with hash 940987528, now seen corresponding path program 71 times [2018-07-23 13:41:43,296 INFO L69 tionRefinementEngine]: Using refinement strategy FixedRefinementStrategy [2018-07-23 13:41:43,306 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-07-23 13:41:43,531 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 13:41:43,532 INFO L309 seRefinementStrategy]: Constructing automaton from 0 perfect and 1 imperfect interpolant sequences. [2018-07-23 13:41:43,532 INFO L324 seRefinementStrategy]: Number of different interpolants: perfect sequences [] imperfect sequences [73] total 73 [2018-07-23 13:41:43,532 INFO L142 lantAutomatonBuilder]: Constructing canonical interpolant automaton, with selfloop in false state [2018-07-23 13:41:43,533 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2018-07-23 13:41:43,533 INFO L185 omatonBuilderFactory]: Interpolants [14352#true, 14353#false, 14354#(<= ULTIMATE.start_main_~x~4 10), 14355#(<= ULTIMATE.start_main_~x~4 12), 14356#(<= ULTIMATE.start_main_~x~4 14), 14357#(<= ULTIMATE.start_main_~x~4 16), 14358#(<= ULTIMATE.start_main_~x~4 18), 14359#(<= ULTIMATE.start_main_~x~4 20), 14360#(<= ULTIMATE.start_main_~x~4 22), 14361#(<= ULTIMATE.start_main_~x~4 24), 14362#(<= ULTIMATE.start_main_~x~4 26), 14363#(<= ULTIMATE.start_main_~x~4 28), 14364#(<= ULTIMATE.start_main_~x~4 30), 14365#(<= ULTIMATE.start_main_~x~4 32), 14366#(<= ULTIMATE.start_main_~x~4 34), 14367#(<= ULTIMATE.start_main_~x~4 36), 14368#(<= ULTIMATE.start_main_~x~4 38), 14369#(<= ULTIMATE.start_main_~x~4 40), 14370#(<= ULTIMATE.start_main_~x~4 42), 14371#(<= ULTIMATE.start_main_~x~4 44), 14372#(<= ULTIMATE.start_main_~x~4 46), 14373#(<= ULTIMATE.start_main_~x~4 48), 14374#(<= ULTIMATE.start_main_~x~4 50), 14375#(<= ULTIMATE.start_main_~x~4 52), 14376#(<= ULTIMATE.start_main_~x~4 54), 14377#(<= ULTIMATE.start_main_~x~4 56), 14378#(<= ULTIMATE.start_main_~x~4 58), 14379#(<= ULTIMATE.start_main_~x~4 60), 14380#(<= ULTIMATE.start_main_~x~4 62), 14381#(<= ULTIMATE.start_main_~x~4 64), 14382#(<= ULTIMATE.start_main_~x~4 66), 14383#(<= ULTIMATE.start_main_~x~4 68), 14384#(<= ULTIMATE.start_main_~x~4 70), 14385#(<= ULTIMATE.start_main_~x~4 72), 14386#(<= ULTIMATE.start_main_~x~4 74), 14387#(<= ULTIMATE.start_main_~x~4 76), 14388#(<= ULTIMATE.start_main_~x~4 78), 14389#(<= ULTIMATE.start_main_~x~4 80), 14390#(<= ULTIMATE.start_main_~x~4 82), 14391#(<= ULTIMATE.start_main_~x~4 84), 14392#(<= ULTIMATE.start_main_~x~4 86), 14393#(<= ULTIMATE.start_main_~x~4 88), 14394#(<= ULTIMATE.start_main_~x~4 90), 14395#(<= ULTIMATE.start_main_~x~4 92), 14396#(<= ULTIMATE.start_main_~x~4 94), 14397#(<= ULTIMATE.start_main_~x~4 96), 14398#(<= ULTIMATE.start_main_~x~4 98), 14399#(<= ULTIMATE.start_main_~x~4 100), 14400#(<= ULTIMATE.start_main_~x~4 102), 14401#(<= ULTIMATE.start_main_~x~4 104), 14402#(<= ULTIMATE.start_main_~x~4 106), 14403#(<= ULTIMATE.start_main_~x~4 108), 14404#(<= ULTIMATE.start_main_~x~4 110), 14405#(<= ULTIMATE.start_main_~x~4 112), 14406#(<= ULTIMATE.start_main_~x~4 114), 14407#(<= ULTIMATE.start_main_~x~4 116), 14408#(<= ULTIMATE.start_main_~x~4 118), 14409#(<= ULTIMATE.start_main_~x~4 120), 14410#(<= ULTIMATE.start_main_~x~4 122), 14411#(<= ULTIMATE.start_main_~x~4 124), 14412#(<= ULTIMATE.start_main_~x~4 126), 14413#(<= ULTIMATE.start_main_~x~4 128), 14414#(<= ULTIMATE.start_main_~x~4 130), 14415#(<= ULTIMATE.start_main_~x~4 132), 14416#(<= ULTIMATE.start_main_~x~4 134), 14417#(<= ULTIMATE.start_main_~x~4 136), 14418#(<= ULTIMATE.start_main_~x~4 138), 14419#(<= ULTIMATE.start_main_~x~4 140), 14420#(<= ULTIMATE.start_main_~x~4 142), 14421#(<= ULTIMATE.start_main_~x~4 144), 14422#(<= ULTIMATE.start_main_~x~4 146), 14423#(<= ULTIMATE.start_main_~x~4 148), 14424#(<= ULTIMATE.start_main_~x~4 150), 14425#(<= ULTIMATE.start_main_~x~4 152)] [2018-07-23 13:41:43,533 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 13:41:43,534 INFO L450 AbstractCegarLoop]: Interpolant automaton has 74 states [2018-07-23 13:41:43,535 INFO L132 InterpolantAutomaton]: Constructing interpolant automaton starting with 74 interpolants. [2018-07-23 13:41:43,535 INFO L133 InterpolantAutomaton]: CoverageRelationStatistics Valid=2701, Invalid=2701, Unknown=0, NotChecked=0, Total=5402 [2018-07-23 13:41:43,535 INFO L87 Difference]: Start difference. First operand 75 states and 75 transitions. Second operand 74 states. [2018-07-23 13:41:43,604 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2018-07-23 13:41:43,604 INFO L93 Difference]: Finished difference Result 78 states and 78 transitions. [2018-07-23 13:41:43,604 INFO L142 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 74 states. [2018-07-23 13:41:43,604 INFO L78 Accepts]: Start accepts. Automaton has 74 states. Word has length 74 [2018-07-23 13:41:43,604 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2018-07-23 13:41:43,605 INFO L225 Difference]: With dead ends: 78 [2018-07-23 13:41:43,605 INFO L226 Difference]: Without dead ends: 76 [2018-07-23 13:41:43,606 INFO L575 BasicCegarLoop]: 0 DeclaredPredicates, 73 GetRequests, 1 SyntacticMatches, 0 SemanticMatches, 72 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 0 ImplicationChecksByTransitivity, 0.1s TimeCoverageRelationStatistics Valid=2701, Invalid=2701, Unknown=0, NotChecked=0, Total=5402 [2018-07-23 13:41:43,606 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 76 states. [2018-07-23 13:41:43,608 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 76 to 76. [2018-07-23 13:41:43,609 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 76 states. [2018-07-23 13:41:43,609 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 76 states to 76 states and 76 transitions. [2018-07-23 13:41:43,609 INFO L78 Accepts]: Start accepts. Automaton has 76 states and 76 transitions. Word has length 74 [2018-07-23 13:41:43,609 INFO L84 Accepts]: Finished accepts. word is rejected. [2018-07-23 13:41:43,610 INFO L471 AbstractCegarLoop]: Abstraction has 76 states and 76 transitions. [2018-07-23 13:41:43,610 INFO L472 AbstractCegarLoop]: Interpolant automaton has 74 states. [2018-07-23 13:41:43,610 INFO L276 IsEmpty]: Start isEmpty. Operand 76 states and 76 transitions. [2018-07-23 13:41:43,610 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 76 [2018-07-23 13:41:43,610 INFO L349 BasicCegarLoop]: Found error trace [2018-07-23 13:41:43,611 INFO L357 BasicCegarLoop]: trace histogram [72, 1, 1, 1] [2018-07-23 13:41:43,611 INFO L414 AbstractCegarLoop]: === Iteration 73 === [ULTIMATE.startErr0AssertViolationASSERT]=== [2018-07-23 13:41:43,611 INFO L82 PathProgramCache]: Analyzing trace with hash -894159679, now seen corresponding path program 72 times [2018-07-23 13:41:43,611 INFO L69 tionRefinementEngine]: Using refinement strategy FixedRefinementStrategy [2018-07-23 13:41:43,622 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-07-23 13:41:43,844 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 13:41:43,845 INFO L309 seRefinementStrategy]: Constructing automaton from 0 perfect and 1 imperfect interpolant sequences. [2018-07-23 13:41:43,845 INFO L324 seRefinementStrategy]: Number of different interpolants: perfect sequences [] imperfect sequences [74] total 74 [2018-07-23 13:41:43,845 INFO L142 lantAutomatonBuilder]: Constructing canonical interpolant automaton, with selfloop in false state [2018-07-23 13:41:43,845 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2018-07-23 13:41:43,846 INFO L185 omatonBuilderFactory]: Interpolants [14734#true, 14735#false, 14736#(<= ULTIMATE.start_main_~x~4 10), 14737#(<= ULTIMATE.start_main_~x~4 12), 14738#(<= ULTIMATE.start_main_~x~4 14), 14739#(<= ULTIMATE.start_main_~x~4 16), 14740#(<= ULTIMATE.start_main_~x~4 18), 14741#(<= ULTIMATE.start_main_~x~4 20), 14742#(<= ULTIMATE.start_main_~x~4 22), 14743#(<= ULTIMATE.start_main_~x~4 24), 14744#(<= ULTIMATE.start_main_~x~4 26), 14745#(<= ULTIMATE.start_main_~x~4 28), 14746#(<= ULTIMATE.start_main_~x~4 30), 14747#(<= ULTIMATE.start_main_~x~4 32), 14748#(<= ULTIMATE.start_main_~x~4 34), 14749#(<= ULTIMATE.start_main_~x~4 36), 14750#(<= ULTIMATE.start_main_~x~4 38), 14751#(<= ULTIMATE.start_main_~x~4 40), 14752#(<= ULTIMATE.start_main_~x~4 42), 14753#(<= ULTIMATE.start_main_~x~4 44), 14754#(<= ULTIMATE.start_main_~x~4 46), 14755#(<= ULTIMATE.start_main_~x~4 48), 14756#(<= ULTIMATE.start_main_~x~4 50), 14757#(<= ULTIMATE.start_main_~x~4 52), 14758#(<= ULTIMATE.start_main_~x~4 54), 14759#(<= ULTIMATE.start_main_~x~4 56), 14760#(<= ULTIMATE.start_main_~x~4 58), 14761#(<= ULTIMATE.start_main_~x~4 60), 14762#(<= ULTIMATE.start_main_~x~4 62), 14763#(<= ULTIMATE.start_main_~x~4 64), 14764#(<= ULTIMATE.start_main_~x~4 66), 14765#(<= ULTIMATE.start_main_~x~4 68), 14766#(<= ULTIMATE.start_main_~x~4 70), 14767#(<= ULTIMATE.start_main_~x~4 72), 14768#(<= ULTIMATE.start_main_~x~4 74), 14769#(<= ULTIMATE.start_main_~x~4 76), 14770#(<= ULTIMATE.start_main_~x~4 78), 14771#(<= ULTIMATE.start_main_~x~4 80), 14772#(<= ULTIMATE.start_main_~x~4 82), 14773#(<= ULTIMATE.start_main_~x~4 84), 14774#(<= ULTIMATE.start_main_~x~4 86), 14775#(<= ULTIMATE.start_main_~x~4 88), 14776#(<= ULTIMATE.start_main_~x~4 90), 14777#(<= ULTIMATE.start_main_~x~4 92), 14778#(<= ULTIMATE.start_main_~x~4 94), 14779#(<= ULTIMATE.start_main_~x~4 96), 14780#(<= ULTIMATE.start_main_~x~4 98), 14781#(<= ULTIMATE.start_main_~x~4 100), 14782#(<= ULTIMATE.start_main_~x~4 102), 14783#(<= ULTIMATE.start_main_~x~4 104), 14784#(<= ULTIMATE.start_main_~x~4 106), 14785#(<= ULTIMATE.start_main_~x~4 108), 14786#(<= ULTIMATE.start_main_~x~4 110), 14787#(<= ULTIMATE.start_main_~x~4 112), 14788#(<= ULTIMATE.start_main_~x~4 114), 14789#(<= ULTIMATE.start_main_~x~4 116), 14790#(<= ULTIMATE.start_main_~x~4 118), 14791#(<= ULTIMATE.start_main_~x~4 120), 14792#(<= ULTIMATE.start_main_~x~4 122), 14793#(<= ULTIMATE.start_main_~x~4 124), 14794#(<= ULTIMATE.start_main_~x~4 126), 14795#(<= ULTIMATE.start_main_~x~4 128), 14796#(<= ULTIMATE.start_main_~x~4 130), 14797#(<= ULTIMATE.start_main_~x~4 132), 14798#(<= ULTIMATE.start_main_~x~4 134), 14799#(<= ULTIMATE.start_main_~x~4 136), 14800#(<= ULTIMATE.start_main_~x~4 138), 14801#(<= ULTIMATE.start_main_~x~4 140), 14802#(<= ULTIMATE.start_main_~x~4 142), 14803#(<= ULTIMATE.start_main_~x~4 144), 14804#(<= ULTIMATE.start_main_~x~4 146), 14805#(<= ULTIMATE.start_main_~x~4 148), 14806#(<= ULTIMATE.start_main_~x~4 150), 14807#(<= ULTIMATE.start_main_~x~4 152), 14808#(<= ULTIMATE.start_main_~x~4 154)] [2018-07-23 13:41:43,846 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 13:41:43,846 INFO L450 AbstractCegarLoop]: Interpolant automaton has 75 states [2018-07-23 13:41:43,847 INFO L132 InterpolantAutomaton]: Constructing interpolant automaton starting with 75 interpolants. [2018-07-23 13:41:43,848 INFO L133 InterpolantAutomaton]: CoverageRelationStatistics Valid=2775, Invalid=2775, Unknown=0, NotChecked=0, Total=5550 [2018-07-23 13:41:43,848 INFO L87 Difference]: Start difference. First operand 76 states and 76 transitions. Second operand 75 states. [2018-07-23 13:41:43,920 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2018-07-23 13:41:43,921 INFO L93 Difference]: Finished difference Result 79 states and 79 transitions. [2018-07-23 13:41:43,921 INFO L142 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 75 states. [2018-07-23 13:41:43,921 INFO L78 Accepts]: Start accepts. Automaton has 75 states. Word has length 75 [2018-07-23 13:41:43,921 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2018-07-23 13:41:43,922 INFO L225 Difference]: With dead ends: 79 [2018-07-23 13:41:43,922 INFO L226 Difference]: Without dead ends: 77 [2018-07-23 13:41:43,923 INFO L575 BasicCegarLoop]: 0 DeclaredPredicates, 74 GetRequests, 1 SyntacticMatches, 0 SemanticMatches, 73 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 0 ImplicationChecksByTransitivity, 0.1s TimeCoverageRelationStatistics Valid=2775, Invalid=2775, Unknown=0, NotChecked=0, Total=5550 [2018-07-23 13:41:43,923 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 77 states. [2018-07-23 13:41:43,925 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 77 to 77. [2018-07-23 13:41:43,926 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 77 states. [2018-07-23 13:41:43,926 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 77 states to 77 states and 77 transitions. [2018-07-23 13:41:43,926 INFO L78 Accepts]: Start accepts. Automaton has 77 states and 77 transitions. Word has length 75 [2018-07-23 13:41:43,926 INFO L84 Accepts]: Finished accepts. word is rejected. [2018-07-23 13:41:43,926 INFO L471 AbstractCegarLoop]: Abstraction has 77 states and 77 transitions. [2018-07-23 13:41:43,926 INFO L472 AbstractCegarLoop]: Interpolant automaton has 75 states. [2018-07-23 13:41:43,927 INFO L276 IsEmpty]: Start isEmpty. Operand 77 states and 77 transitions. [2018-07-23 13:41:43,927 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 77 [2018-07-23 13:41:43,927 INFO L349 BasicCegarLoop]: Found error trace [2018-07-23 13:41:43,927 INFO L357 BasicCegarLoop]: trace histogram [73, 1, 1, 1] [2018-07-23 13:41:43,928 INFO L414 AbstractCegarLoop]: === Iteration 74 === [ULTIMATE.startErr0AssertViolationASSERT]=== [2018-07-23 13:41:43,928 INFO L82 PathProgramCache]: Analyzing trace with hash -1949148248, now seen corresponding path program 73 times [2018-07-23 13:41:43,928 INFO L69 tionRefinementEngine]: Using refinement strategy FixedRefinementStrategy [2018-07-23 13:41:43,942 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-07-23 13:41:44,183 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 13:41:44,184 INFO L309 seRefinementStrategy]: Constructing automaton from 0 perfect and 1 imperfect interpolant sequences. [2018-07-23 13:41:44,184 INFO L324 seRefinementStrategy]: Number of different interpolants: perfect sequences [] imperfect sequences [75] total 75 [2018-07-23 13:41:44,184 INFO L142 lantAutomatonBuilder]: Constructing canonical interpolant automaton, with selfloop in false state [2018-07-23 13:41:44,184 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2018-07-23 13:41:44,185 INFO L185 omatonBuilderFactory]: Interpolants [15121#true, 15122#false, 15123#(<= ULTIMATE.start_main_~x~4 10), 15124#(<= ULTIMATE.start_main_~x~4 12), 15125#(<= ULTIMATE.start_main_~x~4 14), 15126#(<= ULTIMATE.start_main_~x~4 16), 15127#(<= ULTIMATE.start_main_~x~4 18), 15128#(<= ULTIMATE.start_main_~x~4 20), 15129#(<= ULTIMATE.start_main_~x~4 22), 15130#(<= ULTIMATE.start_main_~x~4 24), 15131#(<= ULTIMATE.start_main_~x~4 26), 15132#(<= ULTIMATE.start_main_~x~4 28), 15133#(<= ULTIMATE.start_main_~x~4 30), 15134#(<= ULTIMATE.start_main_~x~4 32), 15135#(<= ULTIMATE.start_main_~x~4 34), 15136#(<= ULTIMATE.start_main_~x~4 36), 15137#(<= ULTIMATE.start_main_~x~4 38), 15138#(<= ULTIMATE.start_main_~x~4 40), 15139#(<= ULTIMATE.start_main_~x~4 42), 15140#(<= ULTIMATE.start_main_~x~4 44), 15141#(<= ULTIMATE.start_main_~x~4 46), 15142#(<= ULTIMATE.start_main_~x~4 48), 15143#(<= ULTIMATE.start_main_~x~4 50), 15144#(<= ULTIMATE.start_main_~x~4 52), 15145#(<= ULTIMATE.start_main_~x~4 54), 15146#(<= ULTIMATE.start_main_~x~4 56), 15147#(<= ULTIMATE.start_main_~x~4 58), 15148#(<= ULTIMATE.start_main_~x~4 60), 15149#(<= ULTIMATE.start_main_~x~4 62), 15150#(<= ULTIMATE.start_main_~x~4 64), 15151#(<= ULTIMATE.start_main_~x~4 66), 15152#(<= ULTIMATE.start_main_~x~4 68), 15153#(<= ULTIMATE.start_main_~x~4 70), 15154#(<= ULTIMATE.start_main_~x~4 72), 15155#(<= ULTIMATE.start_main_~x~4 74), 15156#(<= ULTIMATE.start_main_~x~4 76), 15157#(<= ULTIMATE.start_main_~x~4 78), 15158#(<= ULTIMATE.start_main_~x~4 80), 15159#(<= ULTIMATE.start_main_~x~4 82), 15160#(<= ULTIMATE.start_main_~x~4 84), 15161#(<= ULTIMATE.start_main_~x~4 86), 15162#(<= ULTIMATE.start_main_~x~4 88), 15163#(<= ULTIMATE.start_main_~x~4 90), 15164#(<= ULTIMATE.start_main_~x~4 92), 15165#(<= ULTIMATE.start_main_~x~4 94), 15166#(<= ULTIMATE.start_main_~x~4 96), 15167#(<= ULTIMATE.start_main_~x~4 98), 15168#(<= ULTIMATE.start_main_~x~4 100), 15169#(<= ULTIMATE.start_main_~x~4 102), 15170#(<= ULTIMATE.start_main_~x~4 104), 15171#(<= ULTIMATE.start_main_~x~4 106), 15172#(<= ULTIMATE.start_main_~x~4 108), 15173#(<= ULTIMATE.start_main_~x~4 110), 15174#(<= ULTIMATE.start_main_~x~4 112), 15175#(<= ULTIMATE.start_main_~x~4 114), 15176#(<= ULTIMATE.start_main_~x~4 116), 15177#(<= ULTIMATE.start_main_~x~4 118), 15178#(<= ULTIMATE.start_main_~x~4 120), 15179#(<= ULTIMATE.start_main_~x~4 122), 15180#(<= ULTIMATE.start_main_~x~4 124), 15181#(<= ULTIMATE.start_main_~x~4 126), 15182#(<= ULTIMATE.start_main_~x~4 128), 15183#(<= ULTIMATE.start_main_~x~4 130), 15184#(<= ULTIMATE.start_main_~x~4 132), 15185#(<= ULTIMATE.start_main_~x~4 134), 15186#(<= ULTIMATE.start_main_~x~4 136), 15187#(<= ULTIMATE.start_main_~x~4 138), 15188#(<= ULTIMATE.start_main_~x~4 140), 15189#(<= ULTIMATE.start_main_~x~4 142), 15190#(<= ULTIMATE.start_main_~x~4 144), 15191#(<= ULTIMATE.start_main_~x~4 146), 15192#(<= ULTIMATE.start_main_~x~4 148), 15193#(<= ULTIMATE.start_main_~x~4 150), 15194#(<= ULTIMATE.start_main_~x~4 152), 15195#(<= ULTIMATE.start_main_~x~4 154), 15196#(<= ULTIMATE.start_main_~x~4 156)] [2018-07-23 13:41:44,185 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 13:41:44,186 INFO L450 AbstractCegarLoop]: Interpolant automaton has 76 states [2018-07-23 13:41:44,187 INFO L132 InterpolantAutomaton]: Constructing interpolant automaton starting with 76 interpolants. [2018-07-23 13:41:44,187 INFO L133 InterpolantAutomaton]: CoverageRelationStatistics Valid=2850, Invalid=2850, Unknown=0, NotChecked=0, Total=5700 [2018-07-23 13:41:44,187 INFO L87 Difference]: Start difference. First operand 77 states and 77 transitions. Second operand 76 states. [2018-07-23 13:41:44,259 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2018-07-23 13:41:44,259 INFO L93 Difference]: Finished difference Result 80 states and 80 transitions. [2018-07-23 13:41:44,259 INFO L142 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 76 states. [2018-07-23 13:41:44,259 INFO L78 Accepts]: Start accepts. Automaton has 76 states. Word has length 76 [2018-07-23 13:41:44,259 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2018-07-23 13:41:44,260 INFO L225 Difference]: With dead ends: 80 [2018-07-23 13:41:44,260 INFO L226 Difference]: Without dead ends: 78 [2018-07-23 13:41:44,261 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 13:41:44,261 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 78 states. [2018-07-23 13:41:44,264 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 78 to 78. [2018-07-23 13:41:44,264 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 78 states. [2018-07-23 13:41:44,264 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 78 states to 78 states and 78 transitions. [2018-07-23 13:41:44,264 INFO L78 Accepts]: Start accepts. Automaton has 78 states and 78 transitions. Word has length 76 [2018-07-23 13:41:44,265 INFO L84 Accepts]: Finished accepts. word is rejected. [2018-07-23 13:41:44,265 INFO L471 AbstractCegarLoop]: Abstraction has 78 states and 78 transitions. [2018-07-23 13:41:44,265 INFO L472 AbstractCegarLoop]: Interpolant automaton has 76 states. [2018-07-23 13:41:44,265 INFO L276 IsEmpty]: Start isEmpty. Operand 78 states and 78 transitions. [2018-07-23 13:41:44,265 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 78 [2018-07-23 13:41:44,266 INFO L349 BasicCegarLoop]: Found error trace [2018-07-23 13:41:44,266 INFO L357 BasicCegarLoop]: trace histogram [74, 1, 1, 1] [2018-07-23 13:41:44,266 INFO L414 AbstractCegarLoop]: === Iteration 75 === [ULTIMATE.startErr0AssertViolationASSERT]=== [2018-07-23 13:41:44,266 INFO L82 PathProgramCache]: Analyzing trace with hash -294055519, now seen corresponding path program 74 times [2018-07-23 13:41:44,266 INFO L69 tionRefinementEngine]: Using refinement strategy FixedRefinementStrategy [2018-07-23 13:41:44,278 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-07-23 13:41:44,551 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 13:41:44,552 INFO L309 seRefinementStrategy]: Constructing automaton from 0 perfect and 1 imperfect interpolant sequences. [2018-07-23 13:41:44,552 INFO L324 seRefinementStrategy]: Number of different interpolants: perfect sequences [] imperfect sequences [76] total 76 [2018-07-23 13:41:44,552 INFO L142 lantAutomatonBuilder]: Constructing canonical interpolant automaton, with selfloop in false state [2018-07-23 13:41:44,552 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 13:41:44,552 INFO L185 omatonBuilderFactory]: Interpolants [15513#true, 15514#false, 15515#(<= ULTIMATE.start_main_~x~4 10), 15516#(<= ULTIMATE.start_main_~x~4 12), 15517#(<= ULTIMATE.start_main_~x~4 14), 15518#(<= ULTIMATE.start_main_~x~4 16), 15519#(<= ULTIMATE.start_main_~x~4 18), 15520#(<= ULTIMATE.start_main_~x~4 20), 15521#(<= ULTIMATE.start_main_~x~4 22), 15522#(<= ULTIMATE.start_main_~x~4 24), 15523#(<= ULTIMATE.start_main_~x~4 26), 15524#(<= ULTIMATE.start_main_~x~4 28), 15525#(<= ULTIMATE.start_main_~x~4 30), 15526#(<= ULTIMATE.start_main_~x~4 32), 15527#(<= ULTIMATE.start_main_~x~4 34), 15528#(<= ULTIMATE.start_main_~x~4 36), 15529#(<= ULTIMATE.start_main_~x~4 38), 15530#(<= ULTIMATE.start_main_~x~4 40), 15531#(<= ULTIMATE.start_main_~x~4 42), 15532#(<= ULTIMATE.start_main_~x~4 44), 15533#(<= ULTIMATE.start_main_~x~4 46), 15534#(<= ULTIMATE.start_main_~x~4 48), 15535#(<= ULTIMATE.start_main_~x~4 50), 15536#(<= ULTIMATE.start_main_~x~4 52), 15537#(<= ULTIMATE.start_main_~x~4 54), 15538#(<= ULTIMATE.start_main_~x~4 56), 15539#(<= ULTIMATE.start_main_~x~4 58), 15540#(<= ULTIMATE.start_main_~x~4 60), 15541#(<= ULTIMATE.start_main_~x~4 62), 15542#(<= ULTIMATE.start_main_~x~4 64), 15543#(<= ULTIMATE.start_main_~x~4 66), 15544#(<= ULTIMATE.start_main_~x~4 68), 15545#(<= ULTIMATE.start_main_~x~4 70), 15546#(<= ULTIMATE.start_main_~x~4 72), 15547#(<= ULTIMATE.start_main_~x~4 74), 15548#(<= ULTIMATE.start_main_~x~4 76), 15549#(<= ULTIMATE.start_main_~x~4 78), 15550#(<= ULTIMATE.start_main_~x~4 80), 15551#(<= ULTIMATE.start_main_~x~4 82), 15552#(<= ULTIMATE.start_main_~x~4 84), 15553#(<= ULTIMATE.start_main_~x~4 86), 15554#(<= ULTIMATE.start_main_~x~4 88), 15555#(<= ULTIMATE.start_main_~x~4 90), 15556#(<= ULTIMATE.start_main_~x~4 92), 15557#(<= ULTIMATE.start_main_~x~4 94), 15558#(<= ULTIMATE.start_main_~x~4 96), 15559#(<= ULTIMATE.start_main_~x~4 98), 15560#(<= ULTIMATE.start_main_~x~4 100), 15561#(<= ULTIMATE.start_main_~x~4 102), 15562#(<= ULTIMATE.start_main_~x~4 104), 15563#(<= ULTIMATE.start_main_~x~4 106), 15564#(<= ULTIMATE.start_main_~x~4 108), 15565#(<= ULTIMATE.start_main_~x~4 110), 15566#(<= ULTIMATE.start_main_~x~4 112), 15567#(<= ULTIMATE.start_main_~x~4 114), 15568#(<= ULTIMATE.start_main_~x~4 116), 15569#(<= ULTIMATE.start_main_~x~4 118), 15570#(<= ULTIMATE.start_main_~x~4 120), 15571#(<= ULTIMATE.start_main_~x~4 122), 15572#(<= ULTIMATE.start_main_~x~4 124), 15573#(<= ULTIMATE.start_main_~x~4 126), 15574#(<= ULTIMATE.start_main_~x~4 128), 15575#(<= ULTIMATE.start_main_~x~4 130), 15576#(<= ULTIMATE.start_main_~x~4 132), 15577#(<= ULTIMATE.start_main_~x~4 134), 15578#(<= ULTIMATE.start_main_~x~4 136), 15579#(<= ULTIMATE.start_main_~x~4 138), 15580#(<= ULTIMATE.start_main_~x~4 140), 15581#(<= ULTIMATE.start_main_~x~4 142), 15582#(<= ULTIMATE.start_main_~x~4 144), 15583#(<= ULTIMATE.start_main_~x~4 146), 15584#(<= ULTIMATE.start_main_~x~4 148), 15585#(<= ULTIMATE.start_main_~x~4 150), 15586#(<= ULTIMATE.start_main_~x~4 152), 15587#(<= ULTIMATE.start_main_~x~4 154), 15588#(<= ULTIMATE.start_main_~x~4 156), 15589#(<= ULTIMATE.start_main_~x~4 158)] [2018-07-23 13:41:44,553 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 13:41:44,553 INFO L450 AbstractCegarLoop]: Interpolant automaton has 77 states [2018-07-23 13:41:44,554 INFO L132 InterpolantAutomaton]: Constructing interpolant automaton starting with 77 interpolants. [2018-07-23 13:41:44,555 INFO L133 InterpolantAutomaton]: CoverageRelationStatistics Valid=2926, Invalid=2926, Unknown=0, NotChecked=0, Total=5852 [2018-07-23 13:41:44,555 INFO L87 Difference]: Start difference. First operand 78 states and 78 transitions. Second operand 77 states. [2018-07-23 13:41:44,632 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2018-07-23 13:41:44,632 INFO L93 Difference]: Finished difference Result 81 states and 81 transitions. [2018-07-23 13:41:44,632 INFO L142 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 77 states. [2018-07-23 13:41:44,633 INFO L78 Accepts]: Start accepts. Automaton has 77 states. Word has length 77 [2018-07-23 13:41:44,633 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2018-07-23 13:41:44,633 INFO L225 Difference]: With dead ends: 81 [2018-07-23 13:41:44,633 INFO L226 Difference]: Without dead ends: 79 [2018-07-23 13:41:44,635 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 13:41:44,635 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 79 states. [2018-07-23 13:41:44,637 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 79 to 79. [2018-07-23 13:41:44,637 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 79 states. [2018-07-23 13:41:44,638 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 79 states to 79 states and 79 transitions. [2018-07-23 13:41:44,638 INFO L78 Accepts]: Start accepts. Automaton has 79 states and 79 transitions. Word has length 77 [2018-07-23 13:41:44,638 INFO L84 Accepts]: Finished accepts. word is rejected. [2018-07-23 13:41:44,638 INFO L471 AbstractCegarLoop]: Abstraction has 79 states and 79 transitions. [2018-07-23 13:41:44,638 INFO L472 AbstractCegarLoop]: Interpolant automaton has 77 states. [2018-07-23 13:41:44,638 INFO L276 IsEmpty]: Start isEmpty. Operand 79 states and 79 transitions. [2018-07-23 13:41:44,639 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 79 [2018-07-23 13:41:44,639 INFO L349 BasicCegarLoop]: Found error trace [2018-07-23 13:41:44,639 INFO L357 BasicCegarLoop]: trace histogram [75, 1, 1, 1] [2018-07-23 13:41:44,639 INFO L414 AbstractCegarLoop]: === Iteration 76 === [ULTIMATE.startErr0AssertViolationASSERT]=== [2018-07-23 13:41:44,640 INFO L82 PathProgramCache]: Analyzing trace with hash -525788472, now seen corresponding path program 75 times [2018-07-23 13:41:44,640 INFO L69 tionRefinementEngine]: Using refinement strategy FixedRefinementStrategy [2018-07-23 13:41:44,648 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-07-23 13:41:44,872 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 13:41:44,872 INFO L309 seRefinementStrategy]: Constructing automaton from 0 perfect and 1 imperfect interpolant sequences. [2018-07-23 13:41:44,872 INFO L324 seRefinementStrategy]: Number of different interpolants: perfect sequences [] imperfect sequences [77] total 77 [2018-07-23 13:41:44,872 INFO L142 lantAutomatonBuilder]: Constructing canonical interpolant automaton, with selfloop in false state [2018-07-23 13:41:44,873 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 13:41:44,873 INFO L185 omatonBuilderFactory]: Interpolants [15910#true, 15911#false, 15912#(<= ULTIMATE.start_main_~x~4 10), 15913#(<= ULTIMATE.start_main_~x~4 12), 15914#(<= ULTIMATE.start_main_~x~4 14), 15915#(<= ULTIMATE.start_main_~x~4 16), 15916#(<= ULTIMATE.start_main_~x~4 18), 15917#(<= ULTIMATE.start_main_~x~4 20), 15918#(<= ULTIMATE.start_main_~x~4 22), 15919#(<= ULTIMATE.start_main_~x~4 24), 15920#(<= ULTIMATE.start_main_~x~4 26), 15921#(<= ULTIMATE.start_main_~x~4 28), 15922#(<= ULTIMATE.start_main_~x~4 30), 15923#(<= ULTIMATE.start_main_~x~4 32), 15924#(<= ULTIMATE.start_main_~x~4 34), 15925#(<= ULTIMATE.start_main_~x~4 36), 15926#(<= ULTIMATE.start_main_~x~4 38), 15927#(<= ULTIMATE.start_main_~x~4 40), 15928#(<= ULTIMATE.start_main_~x~4 42), 15929#(<= ULTIMATE.start_main_~x~4 44), 15930#(<= ULTIMATE.start_main_~x~4 46), 15931#(<= ULTIMATE.start_main_~x~4 48), 15932#(<= ULTIMATE.start_main_~x~4 50), 15933#(<= ULTIMATE.start_main_~x~4 52), 15934#(<= ULTIMATE.start_main_~x~4 54), 15935#(<= ULTIMATE.start_main_~x~4 56), 15936#(<= ULTIMATE.start_main_~x~4 58), 15937#(<= ULTIMATE.start_main_~x~4 60), 15938#(<= ULTIMATE.start_main_~x~4 62), 15939#(<= ULTIMATE.start_main_~x~4 64), 15940#(<= ULTIMATE.start_main_~x~4 66), 15941#(<= ULTIMATE.start_main_~x~4 68), 15942#(<= ULTIMATE.start_main_~x~4 70), 15943#(<= ULTIMATE.start_main_~x~4 72), 15944#(<= ULTIMATE.start_main_~x~4 74), 15945#(<= ULTIMATE.start_main_~x~4 76), 15946#(<= ULTIMATE.start_main_~x~4 78), 15947#(<= ULTIMATE.start_main_~x~4 80), 15948#(<= ULTIMATE.start_main_~x~4 82), 15949#(<= ULTIMATE.start_main_~x~4 84), 15950#(<= ULTIMATE.start_main_~x~4 86), 15951#(<= ULTIMATE.start_main_~x~4 88), 15952#(<= ULTIMATE.start_main_~x~4 90), 15953#(<= ULTIMATE.start_main_~x~4 92), 15954#(<= ULTIMATE.start_main_~x~4 94), 15955#(<= ULTIMATE.start_main_~x~4 96), 15956#(<= ULTIMATE.start_main_~x~4 98), 15957#(<= ULTIMATE.start_main_~x~4 100), 15958#(<= ULTIMATE.start_main_~x~4 102), 15959#(<= ULTIMATE.start_main_~x~4 104), 15960#(<= ULTIMATE.start_main_~x~4 106), 15961#(<= ULTIMATE.start_main_~x~4 108), 15962#(<= ULTIMATE.start_main_~x~4 110), 15963#(<= ULTIMATE.start_main_~x~4 112), 15964#(<= ULTIMATE.start_main_~x~4 114), 15965#(<= ULTIMATE.start_main_~x~4 116), 15966#(<= ULTIMATE.start_main_~x~4 118), 15967#(<= ULTIMATE.start_main_~x~4 120), 15968#(<= ULTIMATE.start_main_~x~4 122), 15969#(<= ULTIMATE.start_main_~x~4 124), 15970#(<= ULTIMATE.start_main_~x~4 126), 15971#(<= ULTIMATE.start_main_~x~4 128), 15972#(<= ULTIMATE.start_main_~x~4 130), 15973#(<= ULTIMATE.start_main_~x~4 132), 15974#(<= ULTIMATE.start_main_~x~4 134), 15975#(<= ULTIMATE.start_main_~x~4 136), 15976#(<= ULTIMATE.start_main_~x~4 138), 15977#(<= ULTIMATE.start_main_~x~4 140), 15978#(<= ULTIMATE.start_main_~x~4 142), 15979#(<= ULTIMATE.start_main_~x~4 144), 15980#(<= ULTIMATE.start_main_~x~4 146), 15981#(<= ULTIMATE.start_main_~x~4 148), 15982#(<= ULTIMATE.start_main_~x~4 150), 15983#(<= ULTIMATE.start_main_~x~4 152), 15984#(<= ULTIMATE.start_main_~x~4 154), 15985#(<= ULTIMATE.start_main_~x~4 156), 15986#(<= ULTIMATE.start_main_~x~4 158), 15987#(<= ULTIMATE.start_main_~x~4 160)] [2018-07-23 13:41:44,874 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 13:41:44,874 INFO L450 AbstractCegarLoop]: Interpolant automaton has 78 states [2018-07-23 13:41:44,875 INFO L132 InterpolantAutomaton]: Constructing interpolant automaton starting with 78 interpolants. [2018-07-23 13:41:44,875 INFO L133 InterpolantAutomaton]: CoverageRelationStatistics Valid=3003, Invalid=3003, Unknown=0, NotChecked=0, Total=6006 [2018-07-23 13:41:44,876 INFO L87 Difference]: Start difference. First operand 79 states and 79 transitions. Second operand 78 states. [2018-07-23 13:41:44,945 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2018-07-23 13:41:44,945 INFO L93 Difference]: Finished difference Result 82 states and 82 transitions. [2018-07-23 13:41:44,946 INFO L142 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 78 states. [2018-07-23 13:41:44,946 INFO L78 Accepts]: Start accepts. Automaton has 78 states. Word has length 78 [2018-07-23 13:41:44,946 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2018-07-23 13:41:44,946 INFO L225 Difference]: With dead ends: 82 [2018-07-23 13:41:44,947 INFO L226 Difference]: Without dead ends: 80 [2018-07-23 13:41:44,948 INFO L575 BasicCegarLoop]: 0 DeclaredPredicates, 77 GetRequests, 1 SyntacticMatches, 0 SemanticMatches, 76 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 0 ImplicationChecksByTransitivity, 0.1s TimeCoverageRelationStatistics Valid=3003, Invalid=3003, Unknown=0, NotChecked=0, Total=6006 [2018-07-23 13:41:44,948 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 80 states. [2018-07-23 13:41:44,950 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 80 to 80. [2018-07-23 13:41:44,951 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 80 states. [2018-07-23 13:41:44,951 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 80 states to 80 states and 80 transitions. [2018-07-23 13:41:44,951 INFO L78 Accepts]: Start accepts. Automaton has 80 states and 80 transitions. Word has length 78 [2018-07-23 13:41:44,952 INFO L84 Accepts]: Finished accepts. word is rejected. [2018-07-23 13:41:44,952 INFO L471 AbstractCegarLoop]: Abstraction has 80 states and 80 transitions. [2018-07-23 13:41:44,952 INFO L472 AbstractCegarLoop]: Interpolant automaton has 78 states. [2018-07-23 13:41:44,952 INFO L276 IsEmpty]: Start isEmpty. Operand 80 states and 80 transitions. [2018-07-23 13:41:44,952 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 80 [2018-07-23 13:41:44,953 INFO L349 BasicCegarLoop]: Found error trace [2018-07-23 13:41:44,953 INFO L357 BasicCegarLoop]: trace histogram [76, 1, 1, 1] [2018-07-23 13:41:44,953 INFO L414 AbstractCegarLoop]: === Iteration 77 === [ULTIMATE.startErr0AssertViolationASSERT]=== [2018-07-23 13:41:44,953 INFO L82 PathProgramCache]: Analyzing trace with hash 880424577, now seen corresponding path program 76 times [2018-07-23 13:41:44,953 INFO L69 tionRefinementEngine]: Using refinement strategy FixedRefinementStrategy [2018-07-23 13:41:44,962 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-07-23 13:41:45,188 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 13:41:45,188 INFO L309 seRefinementStrategy]: Constructing automaton from 0 perfect and 1 imperfect interpolant sequences. [2018-07-23 13:41:45,188 INFO L324 seRefinementStrategy]: Number of different interpolants: perfect sequences [] imperfect sequences [78] total 78 [2018-07-23 13:41:45,189 INFO L142 lantAutomatonBuilder]: Constructing canonical interpolant automaton, with selfloop in false state [2018-07-23 13:41:45,189 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2018-07-23 13:41:45,189 INFO L185 omatonBuilderFactory]: Interpolants [16384#(<= ULTIMATE.start_main_~x~4 150), 16385#(<= ULTIMATE.start_main_~x~4 152), 16386#(<= ULTIMATE.start_main_~x~4 154), 16387#(<= ULTIMATE.start_main_~x~4 156), 16388#(<= ULTIMATE.start_main_~x~4 158), 16389#(<= ULTIMATE.start_main_~x~4 160), 16390#(<= ULTIMATE.start_main_~x~4 162), 16312#true, 16313#false, 16314#(<= ULTIMATE.start_main_~x~4 10), 16315#(<= ULTIMATE.start_main_~x~4 12), 16316#(<= ULTIMATE.start_main_~x~4 14), 16317#(<= ULTIMATE.start_main_~x~4 16), 16318#(<= ULTIMATE.start_main_~x~4 18), 16319#(<= ULTIMATE.start_main_~x~4 20), 16320#(<= ULTIMATE.start_main_~x~4 22), 16321#(<= ULTIMATE.start_main_~x~4 24), 16322#(<= ULTIMATE.start_main_~x~4 26), 16323#(<= ULTIMATE.start_main_~x~4 28), 16324#(<= ULTIMATE.start_main_~x~4 30), 16325#(<= ULTIMATE.start_main_~x~4 32), 16326#(<= ULTIMATE.start_main_~x~4 34), 16327#(<= ULTIMATE.start_main_~x~4 36), 16328#(<= ULTIMATE.start_main_~x~4 38), 16329#(<= ULTIMATE.start_main_~x~4 40), 16330#(<= ULTIMATE.start_main_~x~4 42), 16331#(<= ULTIMATE.start_main_~x~4 44), 16332#(<= ULTIMATE.start_main_~x~4 46), 16333#(<= ULTIMATE.start_main_~x~4 48), 16334#(<= ULTIMATE.start_main_~x~4 50), 16335#(<= ULTIMATE.start_main_~x~4 52), 16336#(<= ULTIMATE.start_main_~x~4 54), 16337#(<= ULTIMATE.start_main_~x~4 56), 16338#(<= ULTIMATE.start_main_~x~4 58), 16339#(<= ULTIMATE.start_main_~x~4 60), 16340#(<= ULTIMATE.start_main_~x~4 62), 16341#(<= ULTIMATE.start_main_~x~4 64), 16342#(<= ULTIMATE.start_main_~x~4 66), 16343#(<= ULTIMATE.start_main_~x~4 68), 16344#(<= ULTIMATE.start_main_~x~4 70), 16345#(<= ULTIMATE.start_main_~x~4 72), 16346#(<= ULTIMATE.start_main_~x~4 74), 16347#(<= ULTIMATE.start_main_~x~4 76), 16348#(<= ULTIMATE.start_main_~x~4 78), 16349#(<= ULTIMATE.start_main_~x~4 80), 16350#(<= ULTIMATE.start_main_~x~4 82), 16351#(<= ULTIMATE.start_main_~x~4 84), 16352#(<= ULTIMATE.start_main_~x~4 86), 16353#(<= ULTIMATE.start_main_~x~4 88), 16354#(<= ULTIMATE.start_main_~x~4 90), 16355#(<= ULTIMATE.start_main_~x~4 92), 16356#(<= ULTIMATE.start_main_~x~4 94), 16357#(<= ULTIMATE.start_main_~x~4 96), 16358#(<= ULTIMATE.start_main_~x~4 98), 16359#(<= ULTIMATE.start_main_~x~4 100), 16360#(<= ULTIMATE.start_main_~x~4 102), 16361#(<= ULTIMATE.start_main_~x~4 104), 16362#(<= ULTIMATE.start_main_~x~4 106), 16363#(<= ULTIMATE.start_main_~x~4 108), 16364#(<= ULTIMATE.start_main_~x~4 110), 16365#(<= ULTIMATE.start_main_~x~4 112), 16366#(<= ULTIMATE.start_main_~x~4 114), 16367#(<= ULTIMATE.start_main_~x~4 116), 16368#(<= ULTIMATE.start_main_~x~4 118), 16369#(<= ULTIMATE.start_main_~x~4 120), 16370#(<= ULTIMATE.start_main_~x~4 122), 16371#(<= ULTIMATE.start_main_~x~4 124), 16372#(<= ULTIMATE.start_main_~x~4 126), 16373#(<= ULTIMATE.start_main_~x~4 128), 16374#(<= ULTIMATE.start_main_~x~4 130), 16375#(<= ULTIMATE.start_main_~x~4 132), 16376#(<= ULTIMATE.start_main_~x~4 134), 16377#(<= ULTIMATE.start_main_~x~4 136), 16378#(<= ULTIMATE.start_main_~x~4 138), 16379#(<= ULTIMATE.start_main_~x~4 140), 16380#(<= ULTIMATE.start_main_~x~4 142), 16381#(<= ULTIMATE.start_main_~x~4 144), 16382#(<= ULTIMATE.start_main_~x~4 146), 16383#(<= ULTIMATE.start_main_~x~4 148)] [2018-07-23 13:41:45,190 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 13:41:45,190 INFO L450 AbstractCegarLoop]: Interpolant automaton has 79 states [2018-07-23 13:41:45,191 INFO L132 InterpolantAutomaton]: Constructing interpolant automaton starting with 79 interpolants. [2018-07-23 13:41:45,192 INFO L133 InterpolantAutomaton]: CoverageRelationStatistics Valid=3081, Invalid=3081, Unknown=0, NotChecked=0, Total=6162 [2018-07-23 13:41:45,192 INFO L87 Difference]: Start difference. First operand 80 states and 80 transitions. Second operand 79 states. [2018-07-23 13:41:45,253 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2018-07-23 13:41:45,253 INFO L93 Difference]: Finished difference Result 83 states and 83 transitions. [2018-07-23 13:41:45,253 INFO L142 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 79 states. [2018-07-23 13:41:45,253 INFO L78 Accepts]: Start accepts. Automaton has 79 states. Word has length 79 [2018-07-23 13:41:45,254 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2018-07-23 13:41:45,254 INFO L225 Difference]: With dead ends: 83 [2018-07-23 13:41:45,254 INFO L226 Difference]: Without dead ends: 81 [2018-07-23 13:41:45,255 INFO L575 BasicCegarLoop]: 0 DeclaredPredicates, 78 GetRequests, 1 SyntacticMatches, 0 SemanticMatches, 77 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 0 ImplicationChecksByTransitivity, 0.1s TimeCoverageRelationStatistics Valid=3081, Invalid=3081, Unknown=0, NotChecked=0, Total=6162 [2018-07-23 13:41:45,255 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 81 states. [2018-07-23 13:41:45,257 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 81 to 81. [2018-07-23 13:41:45,258 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 81 states. [2018-07-23 13:41:45,258 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 81 states to 81 states and 81 transitions. [2018-07-23 13:41:45,258 INFO L78 Accepts]: Start accepts. Automaton has 81 states and 81 transitions. Word has length 79 [2018-07-23 13:41:45,258 INFO L84 Accepts]: Finished accepts. word is rejected. [2018-07-23 13:41:45,258 INFO L471 AbstractCegarLoop]: Abstraction has 81 states and 81 transitions. [2018-07-23 13:41:45,259 INFO L472 AbstractCegarLoop]: Interpolant automaton has 79 states. [2018-07-23 13:41:45,259 INFO L276 IsEmpty]: Start isEmpty. Operand 81 states and 81 transitions. [2018-07-23 13:41:45,259 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 81 [2018-07-23 13:41:45,259 INFO L349 BasicCegarLoop]: Found error trace [2018-07-23 13:41:45,259 INFO L357 BasicCegarLoop]: trace histogram [77, 1, 1, 1] [2018-07-23 13:41:45,260 INFO L414 AbstractCegarLoop]: === Iteration 78 === [ULTIMATE.startErr0AssertViolationASSERT]=== [2018-07-23 13:41:45,260 INFO L82 PathProgramCache]: Analyzing trace with hash 1523356136, now seen corresponding path program 77 times [2018-07-23 13:41:45,260 INFO L69 tionRefinementEngine]: Using refinement strategy FixedRefinementStrategy [2018-07-23 13:41:45,269 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-07-23 13:41:45,502 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 13:41:45,502 INFO L309 seRefinementStrategy]: Constructing automaton from 0 perfect and 1 imperfect interpolant sequences. [2018-07-23 13:41:45,502 INFO L324 seRefinementStrategy]: Number of different interpolants: perfect sequences [] imperfect sequences [79] total 79 [2018-07-23 13:41:45,503 INFO L142 lantAutomatonBuilder]: Constructing canonical interpolant automaton, with selfloop in false state [2018-07-23 13:41:45,503 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 13:41:45,503 INFO L185 omatonBuilderFactory]: Interpolants [16768#(<= ULTIMATE.start_main_~x~4 104), 16769#(<= ULTIMATE.start_main_~x~4 106), 16770#(<= ULTIMATE.start_main_~x~4 108), 16771#(<= ULTIMATE.start_main_~x~4 110), 16772#(<= ULTIMATE.start_main_~x~4 112), 16773#(<= ULTIMATE.start_main_~x~4 114), 16774#(<= ULTIMATE.start_main_~x~4 116), 16775#(<= ULTIMATE.start_main_~x~4 118), 16776#(<= ULTIMATE.start_main_~x~4 120), 16777#(<= ULTIMATE.start_main_~x~4 122), 16778#(<= ULTIMATE.start_main_~x~4 124), 16779#(<= ULTIMATE.start_main_~x~4 126), 16780#(<= ULTIMATE.start_main_~x~4 128), 16781#(<= ULTIMATE.start_main_~x~4 130), 16782#(<= ULTIMATE.start_main_~x~4 132), 16783#(<= ULTIMATE.start_main_~x~4 134), 16784#(<= ULTIMATE.start_main_~x~4 136), 16785#(<= ULTIMATE.start_main_~x~4 138), 16786#(<= ULTIMATE.start_main_~x~4 140), 16787#(<= ULTIMATE.start_main_~x~4 142), 16788#(<= ULTIMATE.start_main_~x~4 144), 16789#(<= ULTIMATE.start_main_~x~4 146), 16790#(<= ULTIMATE.start_main_~x~4 148), 16791#(<= ULTIMATE.start_main_~x~4 150), 16792#(<= ULTIMATE.start_main_~x~4 152), 16793#(<= ULTIMATE.start_main_~x~4 154), 16794#(<= ULTIMATE.start_main_~x~4 156), 16795#(<= ULTIMATE.start_main_~x~4 158), 16796#(<= ULTIMATE.start_main_~x~4 160), 16797#(<= ULTIMATE.start_main_~x~4 162), 16798#(<= ULTIMATE.start_main_~x~4 164), 16719#true, 16720#false, 16721#(<= ULTIMATE.start_main_~x~4 10), 16722#(<= ULTIMATE.start_main_~x~4 12), 16723#(<= ULTIMATE.start_main_~x~4 14), 16724#(<= ULTIMATE.start_main_~x~4 16), 16725#(<= ULTIMATE.start_main_~x~4 18), 16726#(<= ULTIMATE.start_main_~x~4 20), 16727#(<= ULTIMATE.start_main_~x~4 22), 16728#(<= ULTIMATE.start_main_~x~4 24), 16729#(<= ULTIMATE.start_main_~x~4 26), 16730#(<= ULTIMATE.start_main_~x~4 28), 16731#(<= ULTIMATE.start_main_~x~4 30), 16732#(<= ULTIMATE.start_main_~x~4 32), 16733#(<= ULTIMATE.start_main_~x~4 34), 16734#(<= ULTIMATE.start_main_~x~4 36), 16735#(<= ULTIMATE.start_main_~x~4 38), 16736#(<= ULTIMATE.start_main_~x~4 40), 16737#(<= ULTIMATE.start_main_~x~4 42), 16738#(<= ULTIMATE.start_main_~x~4 44), 16739#(<= ULTIMATE.start_main_~x~4 46), 16740#(<= ULTIMATE.start_main_~x~4 48), 16741#(<= ULTIMATE.start_main_~x~4 50), 16742#(<= ULTIMATE.start_main_~x~4 52), 16743#(<= ULTIMATE.start_main_~x~4 54), 16744#(<= ULTIMATE.start_main_~x~4 56), 16745#(<= ULTIMATE.start_main_~x~4 58), 16746#(<= ULTIMATE.start_main_~x~4 60), 16747#(<= ULTIMATE.start_main_~x~4 62), 16748#(<= ULTIMATE.start_main_~x~4 64), 16749#(<= ULTIMATE.start_main_~x~4 66), 16750#(<= ULTIMATE.start_main_~x~4 68), 16751#(<= ULTIMATE.start_main_~x~4 70), 16752#(<= ULTIMATE.start_main_~x~4 72), 16753#(<= ULTIMATE.start_main_~x~4 74), 16754#(<= ULTIMATE.start_main_~x~4 76), 16755#(<= ULTIMATE.start_main_~x~4 78), 16756#(<= ULTIMATE.start_main_~x~4 80), 16757#(<= ULTIMATE.start_main_~x~4 82), 16758#(<= ULTIMATE.start_main_~x~4 84), 16759#(<= ULTIMATE.start_main_~x~4 86), 16760#(<= ULTIMATE.start_main_~x~4 88), 16761#(<= ULTIMATE.start_main_~x~4 90), 16762#(<= ULTIMATE.start_main_~x~4 92), 16763#(<= ULTIMATE.start_main_~x~4 94), 16764#(<= ULTIMATE.start_main_~x~4 96), 16765#(<= ULTIMATE.start_main_~x~4 98), 16766#(<= ULTIMATE.start_main_~x~4 100), 16767#(<= ULTIMATE.start_main_~x~4 102)] [2018-07-23 13:41:45,505 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 13:41:45,505 INFO L450 AbstractCegarLoop]: Interpolant automaton has 80 states [2018-07-23 13:41:45,506 INFO L132 InterpolantAutomaton]: Constructing interpolant automaton starting with 80 interpolants. [2018-07-23 13:41:45,506 INFO L133 InterpolantAutomaton]: CoverageRelationStatistics Valid=3160, Invalid=3160, Unknown=0, NotChecked=0, Total=6320 [2018-07-23 13:41:45,507 INFO L87 Difference]: Start difference. First operand 81 states and 81 transitions. Second operand 80 states. [2018-07-23 13:41:45,547 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2018-07-23 13:41:45,547 INFO L93 Difference]: Finished difference Result 84 states and 84 transitions. [2018-07-23 13:41:45,548 INFO L142 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 80 states. [2018-07-23 13:41:45,548 INFO L78 Accepts]: Start accepts. Automaton has 80 states. Word has length 80 [2018-07-23 13:41:45,548 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2018-07-23 13:41:45,549 INFO L225 Difference]: With dead ends: 84 [2018-07-23 13:41:45,549 INFO L226 Difference]: Without dead ends: 82 [2018-07-23 13:41:45,549 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 13:41:45,550 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 82 states. [2018-07-23 13:41:45,552 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 82 to 82. [2018-07-23 13:41:45,552 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 82 states. [2018-07-23 13:41:45,552 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 82 states to 82 states and 82 transitions. [2018-07-23 13:41:45,552 INFO L78 Accepts]: Start accepts. Automaton has 82 states and 82 transitions. Word has length 80 [2018-07-23 13:41:45,553 INFO L84 Accepts]: Finished accepts. word is rejected. [2018-07-23 13:41:45,553 INFO L471 AbstractCegarLoop]: Abstraction has 82 states and 82 transitions. [2018-07-23 13:41:45,553 INFO L472 AbstractCegarLoop]: Interpolant automaton has 80 states. [2018-07-23 13:41:45,553 INFO L276 IsEmpty]: Start isEmpty. Operand 82 states and 82 transitions. [2018-07-23 13:41:45,554 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 82 [2018-07-23 13:41:45,554 INFO L349 BasicCegarLoop]: Found error trace [2018-07-23 13:41:45,554 INFO L357 BasicCegarLoop]: trace histogram [78, 1, 1, 1] [2018-07-23 13:41:45,554 INFO L414 AbstractCegarLoop]: === Iteration 79 === [ULTIMATE.startErr0AssertViolationASSERT]=== [2018-07-23 13:41:45,554 INFO L82 PathProgramCache]: Analyzing trace with hash -20602015, now seen corresponding path program 78 times [2018-07-23 13:41:45,554 INFO L69 tionRefinementEngine]: Using refinement strategy FixedRefinementStrategy [2018-07-23 13:41:45,564 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-07-23 13:41:45,820 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 13:41:45,820 INFO L309 seRefinementStrategy]: Constructing automaton from 0 perfect and 1 imperfect interpolant sequences. [2018-07-23 13:41:45,820 INFO L324 seRefinementStrategy]: Number of different interpolants: perfect sequences [] imperfect sequences [80] total 80 [2018-07-23 13:41:45,821 INFO L142 lantAutomatonBuilder]: Constructing canonical interpolant automaton, with selfloop in false state [2018-07-23 13:41:45,821 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 13:41:45,821 INFO L185 omatonBuilderFactory]: Interpolants [17152#(<= ULTIMATE.start_main_~x~4 48), 17153#(<= ULTIMATE.start_main_~x~4 50), 17154#(<= ULTIMATE.start_main_~x~4 52), 17155#(<= ULTIMATE.start_main_~x~4 54), 17156#(<= ULTIMATE.start_main_~x~4 56), 17157#(<= ULTIMATE.start_main_~x~4 58), 17158#(<= ULTIMATE.start_main_~x~4 60), 17159#(<= ULTIMATE.start_main_~x~4 62), 17160#(<= ULTIMATE.start_main_~x~4 64), 17161#(<= ULTIMATE.start_main_~x~4 66), 17162#(<= ULTIMATE.start_main_~x~4 68), 17163#(<= ULTIMATE.start_main_~x~4 70), 17164#(<= ULTIMATE.start_main_~x~4 72), 17165#(<= ULTIMATE.start_main_~x~4 74), 17166#(<= ULTIMATE.start_main_~x~4 76), 17167#(<= ULTIMATE.start_main_~x~4 78), 17168#(<= ULTIMATE.start_main_~x~4 80), 17169#(<= ULTIMATE.start_main_~x~4 82), 17170#(<= ULTIMATE.start_main_~x~4 84), 17171#(<= ULTIMATE.start_main_~x~4 86), 17172#(<= ULTIMATE.start_main_~x~4 88), 17173#(<= ULTIMATE.start_main_~x~4 90), 17174#(<= ULTIMATE.start_main_~x~4 92), 17175#(<= ULTIMATE.start_main_~x~4 94), 17176#(<= ULTIMATE.start_main_~x~4 96), 17177#(<= ULTIMATE.start_main_~x~4 98), 17178#(<= ULTIMATE.start_main_~x~4 100), 17179#(<= ULTIMATE.start_main_~x~4 102), 17180#(<= ULTIMATE.start_main_~x~4 104), 17181#(<= ULTIMATE.start_main_~x~4 106), 17182#(<= ULTIMATE.start_main_~x~4 108), 17183#(<= ULTIMATE.start_main_~x~4 110), 17184#(<= ULTIMATE.start_main_~x~4 112), 17185#(<= ULTIMATE.start_main_~x~4 114), 17186#(<= ULTIMATE.start_main_~x~4 116), 17187#(<= ULTIMATE.start_main_~x~4 118), 17188#(<= ULTIMATE.start_main_~x~4 120), 17189#(<= ULTIMATE.start_main_~x~4 122), 17190#(<= ULTIMATE.start_main_~x~4 124), 17191#(<= ULTIMATE.start_main_~x~4 126), 17192#(<= ULTIMATE.start_main_~x~4 128), 17193#(<= ULTIMATE.start_main_~x~4 130), 17194#(<= ULTIMATE.start_main_~x~4 132), 17195#(<= ULTIMATE.start_main_~x~4 134), 17196#(<= ULTIMATE.start_main_~x~4 136), 17197#(<= ULTIMATE.start_main_~x~4 138), 17198#(<= ULTIMATE.start_main_~x~4 140), 17199#(<= ULTIMATE.start_main_~x~4 142), 17200#(<= ULTIMATE.start_main_~x~4 144), 17201#(<= ULTIMATE.start_main_~x~4 146), 17202#(<= ULTIMATE.start_main_~x~4 148), 17203#(<= ULTIMATE.start_main_~x~4 150), 17204#(<= ULTIMATE.start_main_~x~4 152), 17205#(<= ULTIMATE.start_main_~x~4 154), 17206#(<= ULTIMATE.start_main_~x~4 156), 17207#(<= ULTIMATE.start_main_~x~4 158), 17208#(<= ULTIMATE.start_main_~x~4 160), 17209#(<= ULTIMATE.start_main_~x~4 162), 17210#(<= ULTIMATE.start_main_~x~4 164), 17211#(<= ULTIMATE.start_main_~x~4 166), 17131#true, 17132#false, 17133#(<= ULTIMATE.start_main_~x~4 10), 17134#(<= ULTIMATE.start_main_~x~4 12), 17135#(<= ULTIMATE.start_main_~x~4 14), 17136#(<= ULTIMATE.start_main_~x~4 16), 17137#(<= ULTIMATE.start_main_~x~4 18), 17138#(<= ULTIMATE.start_main_~x~4 20), 17139#(<= ULTIMATE.start_main_~x~4 22), 17140#(<= ULTIMATE.start_main_~x~4 24), 17141#(<= ULTIMATE.start_main_~x~4 26), 17142#(<= ULTIMATE.start_main_~x~4 28), 17143#(<= ULTIMATE.start_main_~x~4 30), 17144#(<= ULTIMATE.start_main_~x~4 32), 17145#(<= ULTIMATE.start_main_~x~4 34), 17146#(<= ULTIMATE.start_main_~x~4 36), 17147#(<= ULTIMATE.start_main_~x~4 38), 17148#(<= ULTIMATE.start_main_~x~4 40), 17149#(<= ULTIMATE.start_main_~x~4 42), 17150#(<= ULTIMATE.start_main_~x~4 44), 17151#(<= ULTIMATE.start_main_~x~4 46)] [2018-07-23 13:41:45,822 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 13:41:45,822 INFO L450 AbstractCegarLoop]: Interpolant automaton has 81 states [2018-07-23 13:41:45,823 INFO L132 InterpolantAutomaton]: Constructing interpolant automaton starting with 81 interpolants. [2018-07-23 13:41:45,824 INFO L133 InterpolantAutomaton]: CoverageRelationStatistics Valid=3240, Invalid=3240, Unknown=0, NotChecked=0, Total=6480 [2018-07-23 13:41:45,824 INFO L87 Difference]: Start difference. First operand 82 states and 82 transitions. Second operand 81 states. [2018-07-23 13:41:45,897 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2018-07-23 13:41:45,897 INFO L93 Difference]: Finished difference Result 85 states and 85 transitions. [2018-07-23 13:41:45,897 INFO L142 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 81 states. [2018-07-23 13:41:45,898 INFO L78 Accepts]: Start accepts. Automaton has 81 states. Word has length 81 [2018-07-23 13:41:45,898 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2018-07-23 13:41:45,899 INFO L225 Difference]: With dead ends: 85 [2018-07-23 13:41:45,899 INFO L226 Difference]: Without dead ends: 83 [2018-07-23 13:41:45,900 INFO L575 BasicCegarLoop]: 0 DeclaredPredicates, 80 GetRequests, 1 SyntacticMatches, 0 SemanticMatches, 79 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 0 ImplicationChecksByTransitivity, 0.2s TimeCoverageRelationStatistics Valid=3240, Invalid=3240, Unknown=0, NotChecked=0, Total=6480 [2018-07-23 13:41:45,900 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 83 states. [2018-07-23 13:41:45,902 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 83 to 83. [2018-07-23 13:41:45,902 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 83 states. [2018-07-23 13:41:45,903 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 83 states to 83 states and 83 transitions. [2018-07-23 13:41:45,903 INFO L78 Accepts]: Start accepts. Automaton has 83 states and 83 transitions. Word has length 81 [2018-07-23 13:41:45,903 INFO L84 Accepts]: Finished accepts. word is rejected. [2018-07-23 13:41:45,903 INFO L471 AbstractCegarLoop]: Abstraction has 83 states and 83 transitions. [2018-07-23 13:41:45,903 INFO L472 AbstractCegarLoop]: Interpolant automaton has 81 states. [2018-07-23 13:41:45,904 INFO L276 IsEmpty]: Start isEmpty. Operand 83 states and 83 transitions. [2018-07-23 13:41:45,904 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 83 [2018-07-23 13:41:45,904 INFO L349 BasicCegarLoop]: Found error trace [2018-07-23 13:41:45,904 INFO L357 BasicCegarLoop]: trace histogram [79, 1, 1, 1] [2018-07-23 13:41:45,905 INFO L414 AbstractCegarLoop]: === Iteration 80 === [ULTIMATE.startErr0AssertViolationASSERT]=== [2018-07-23 13:41:45,905 INFO L82 PathProgramCache]: Analyzing trace with hash -638664440, now seen corresponding path program 79 times [2018-07-23 13:41:45,905 INFO L69 tionRefinementEngine]: Using refinement strategy FixedRefinementStrategy [2018-07-23 13:41:45,916 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-07-23 13:41:46,171 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 13:41:46,171 INFO L309 seRefinementStrategy]: Constructing automaton from 0 perfect and 1 imperfect interpolant sequences. [2018-07-23 13:41:46,171 INFO L324 seRefinementStrategy]: Number of different interpolants: perfect sequences [] imperfect sequences [81] total 81 [2018-07-23 13:41:46,171 INFO L142 lantAutomatonBuilder]: Constructing canonical interpolant automaton, with selfloop in false state [2018-07-23 13:41:46,172 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2018-07-23 13:41:46,172 INFO L185 omatonBuilderFactory]: Interpolants [17548#true, 17549#false, 17550#(<= ULTIMATE.start_main_~x~4 10), 17551#(<= ULTIMATE.start_main_~x~4 12), 17552#(<= ULTIMATE.start_main_~x~4 14), 17553#(<= ULTIMATE.start_main_~x~4 16), 17554#(<= ULTIMATE.start_main_~x~4 18), 17555#(<= ULTIMATE.start_main_~x~4 20), 17556#(<= ULTIMATE.start_main_~x~4 22), 17557#(<= ULTIMATE.start_main_~x~4 24), 17558#(<= ULTIMATE.start_main_~x~4 26), 17559#(<= ULTIMATE.start_main_~x~4 28), 17560#(<= ULTIMATE.start_main_~x~4 30), 17561#(<= ULTIMATE.start_main_~x~4 32), 17562#(<= ULTIMATE.start_main_~x~4 34), 17563#(<= ULTIMATE.start_main_~x~4 36), 17564#(<= ULTIMATE.start_main_~x~4 38), 17565#(<= ULTIMATE.start_main_~x~4 40), 17566#(<= ULTIMATE.start_main_~x~4 42), 17567#(<= ULTIMATE.start_main_~x~4 44), 17568#(<= ULTIMATE.start_main_~x~4 46), 17569#(<= ULTIMATE.start_main_~x~4 48), 17570#(<= ULTIMATE.start_main_~x~4 50), 17571#(<= ULTIMATE.start_main_~x~4 52), 17572#(<= ULTIMATE.start_main_~x~4 54), 17573#(<= ULTIMATE.start_main_~x~4 56), 17574#(<= ULTIMATE.start_main_~x~4 58), 17575#(<= ULTIMATE.start_main_~x~4 60), 17576#(<= ULTIMATE.start_main_~x~4 62), 17577#(<= ULTIMATE.start_main_~x~4 64), 17578#(<= ULTIMATE.start_main_~x~4 66), 17579#(<= ULTIMATE.start_main_~x~4 68), 17580#(<= ULTIMATE.start_main_~x~4 70), 17581#(<= ULTIMATE.start_main_~x~4 72), 17582#(<= ULTIMATE.start_main_~x~4 74), 17583#(<= ULTIMATE.start_main_~x~4 76), 17584#(<= ULTIMATE.start_main_~x~4 78), 17585#(<= ULTIMATE.start_main_~x~4 80), 17586#(<= ULTIMATE.start_main_~x~4 82), 17587#(<= ULTIMATE.start_main_~x~4 84), 17588#(<= ULTIMATE.start_main_~x~4 86), 17589#(<= ULTIMATE.start_main_~x~4 88), 17590#(<= ULTIMATE.start_main_~x~4 90), 17591#(<= ULTIMATE.start_main_~x~4 92), 17592#(<= ULTIMATE.start_main_~x~4 94), 17593#(<= ULTIMATE.start_main_~x~4 96), 17594#(<= ULTIMATE.start_main_~x~4 98), 17595#(<= ULTIMATE.start_main_~x~4 100), 17596#(<= ULTIMATE.start_main_~x~4 102), 17597#(<= ULTIMATE.start_main_~x~4 104), 17598#(<= ULTIMATE.start_main_~x~4 106), 17599#(<= ULTIMATE.start_main_~x~4 108), 17600#(<= ULTIMATE.start_main_~x~4 110), 17601#(<= ULTIMATE.start_main_~x~4 112), 17602#(<= ULTIMATE.start_main_~x~4 114), 17603#(<= ULTIMATE.start_main_~x~4 116), 17604#(<= ULTIMATE.start_main_~x~4 118), 17605#(<= ULTIMATE.start_main_~x~4 120), 17606#(<= ULTIMATE.start_main_~x~4 122), 17607#(<= ULTIMATE.start_main_~x~4 124), 17608#(<= ULTIMATE.start_main_~x~4 126), 17609#(<= ULTIMATE.start_main_~x~4 128), 17610#(<= ULTIMATE.start_main_~x~4 130), 17611#(<= ULTIMATE.start_main_~x~4 132), 17612#(<= ULTIMATE.start_main_~x~4 134), 17613#(<= ULTIMATE.start_main_~x~4 136), 17614#(<= ULTIMATE.start_main_~x~4 138), 17615#(<= ULTIMATE.start_main_~x~4 140), 17616#(<= ULTIMATE.start_main_~x~4 142), 17617#(<= ULTIMATE.start_main_~x~4 144), 17618#(<= ULTIMATE.start_main_~x~4 146), 17619#(<= ULTIMATE.start_main_~x~4 148), 17620#(<= ULTIMATE.start_main_~x~4 150), 17621#(<= ULTIMATE.start_main_~x~4 152), 17622#(<= ULTIMATE.start_main_~x~4 154), 17623#(<= ULTIMATE.start_main_~x~4 156), 17624#(<= ULTIMATE.start_main_~x~4 158), 17625#(<= ULTIMATE.start_main_~x~4 160), 17626#(<= ULTIMATE.start_main_~x~4 162), 17627#(<= ULTIMATE.start_main_~x~4 164), 17628#(<= ULTIMATE.start_main_~x~4 166), 17629#(<= ULTIMATE.start_main_~x~4 168)] [2018-07-23 13:41:46,173 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 13:41:46,173 INFO L450 AbstractCegarLoop]: Interpolant automaton has 82 states [2018-07-23 13:41:46,174 INFO L132 InterpolantAutomaton]: Constructing interpolant automaton starting with 82 interpolants. [2018-07-23 13:41:46,174 INFO L133 InterpolantAutomaton]: CoverageRelationStatistics Valid=3321, Invalid=3321, Unknown=0, NotChecked=0, Total=6642 [2018-07-23 13:41:46,174 INFO L87 Difference]: Start difference. First operand 83 states and 83 transitions. Second operand 82 states. [2018-07-23 13:41:46,262 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2018-07-23 13:41:46,262 INFO L93 Difference]: Finished difference Result 86 states and 86 transitions. [2018-07-23 13:41:46,262 INFO L142 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 82 states. [2018-07-23 13:41:46,262 INFO L78 Accepts]: Start accepts. Automaton has 82 states. Word has length 82 [2018-07-23 13:41:46,263 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2018-07-23 13:41:46,263 INFO L225 Difference]: With dead ends: 86 [2018-07-23 13:41:46,263 INFO L226 Difference]: Without dead ends: 84 [2018-07-23 13:41:46,264 INFO L575 BasicCegarLoop]: 0 DeclaredPredicates, 81 GetRequests, 1 SyntacticMatches, 0 SemanticMatches, 80 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 0 ImplicationChecksByTransitivity, 0.2s TimeCoverageRelationStatistics Valid=3321, Invalid=3321, Unknown=0, NotChecked=0, Total=6642 [2018-07-23 13:41:46,264 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 84 states. [2018-07-23 13:41:46,266 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 84 to 84. [2018-07-23 13:41:46,266 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 84 states. [2018-07-23 13:41:46,267 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 84 states to 84 states and 84 transitions. [2018-07-23 13:41:46,267 INFO L78 Accepts]: Start accepts. Automaton has 84 states and 84 transitions. Word has length 82 [2018-07-23 13:41:46,267 INFO L84 Accepts]: Finished accepts. word is rejected. [2018-07-23 13:41:46,267 INFO L471 AbstractCegarLoop]: Abstraction has 84 states and 84 transitions. [2018-07-23 13:41:46,267 INFO L472 AbstractCegarLoop]: Interpolant automaton has 82 states. [2018-07-23 13:41:46,267 INFO L276 IsEmpty]: Start isEmpty. Operand 84 states and 84 transitions. [2018-07-23 13:41:46,268 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 84 [2018-07-23 13:41:46,268 INFO L349 BasicCegarLoop]: Found error trace [2018-07-23 13:41:46,268 INFO L357 BasicCegarLoop]: trace histogram [80, 1, 1, 1] [2018-07-23 13:41:46,268 INFO L414 AbstractCegarLoop]: === Iteration 81 === [ULTIMATE.startErr0AssertViolationASSERT]=== [2018-07-23 13:41:46,269 INFO L82 PathProgramCache]: Analyzing trace with hash 1676236865, now seen corresponding path program 80 times [2018-07-23 13:41:46,269 INFO L69 tionRefinementEngine]: Using refinement strategy FixedRefinementStrategy [2018-07-23 13:41:46,280 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-07-23 13:41:46,525 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 13:41:46,525 INFO L309 seRefinementStrategy]: Constructing automaton from 0 perfect and 1 imperfect interpolant sequences. [2018-07-23 13:41:46,525 INFO L324 seRefinementStrategy]: Number of different interpolants: perfect sequences [] imperfect sequences [82] total 82 [2018-07-23 13:41:46,525 INFO L142 lantAutomatonBuilder]: Constructing canonical interpolant automaton, with selfloop in false state [2018-07-23 13:41:46,526 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2018-07-23 13:41:46,526 INFO L185 omatonBuilderFactory]: Interpolants [18048#(<= ULTIMATE.start_main_~x~4 162), 18049#(<= ULTIMATE.start_main_~x~4 164), 18050#(<= ULTIMATE.start_main_~x~4 166), 18051#(<= ULTIMATE.start_main_~x~4 168), 18052#(<= ULTIMATE.start_main_~x~4 170), 17970#true, 17971#false, 17972#(<= ULTIMATE.start_main_~x~4 10), 17973#(<= ULTIMATE.start_main_~x~4 12), 17974#(<= ULTIMATE.start_main_~x~4 14), 17975#(<= ULTIMATE.start_main_~x~4 16), 17976#(<= ULTIMATE.start_main_~x~4 18), 17977#(<= ULTIMATE.start_main_~x~4 20), 17978#(<= ULTIMATE.start_main_~x~4 22), 17979#(<= ULTIMATE.start_main_~x~4 24), 17980#(<= ULTIMATE.start_main_~x~4 26), 17981#(<= ULTIMATE.start_main_~x~4 28), 17982#(<= ULTIMATE.start_main_~x~4 30), 17983#(<= ULTIMATE.start_main_~x~4 32), 17984#(<= ULTIMATE.start_main_~x~4 34), 17985#(<= ULTIMATE.start_main_~x~4 36), 17986#(<= ULTIMATE.start_main_~x~4 38), 17987#(<= ULTIMATE.start_main_~x~4 40), 17988#(<= ULTIMATE.start_main_~x~4 42), 17989#(<= ULTIMATE.start_main_~x~4 44), 17990#(<= ULTIMATE.start_main_~x~4 46), 17991#(<= ULTIMATE.start_main_~x~4 48), 17992#(<= ULTIMATE.start_main_~x~4 50), 17993#(<= ULTIMATE.start_main_~x~4 52), 17994#(<= ULTIMATE.start_main_~x~4 54), 17995#(<= ULTIMATE.start_main_~x~4 56), 17996#(<= ULTIMATE.start_main_~x~4 58), 17997#(<= ULTIMATE.start_main_~x~4 60), 17998#(<= ULTIMATE.start_main_~x~4 62), 17999#(<= ULTIMATE.start_main_~x~4 64), 18000#(<= ULTIMATE.start_main_~x~4 66), 18001#(<= ULTIMATE.start_main_~x~4 68), 18002#(<= ULTIMATE.start_main_~x~4 70), 18003#(<= ULTIMATE.start_main_~x~4 72), 18004#(<= ULTIMATE.start_main_~x~4 74), 18005#(<= ULTIMATE.start_main_~x~4 76), 18006#(<= ULTIMATE.start_main_~x~4 78), 18007#(<= ULTIMATE.start_main_~x~4 80), 18008#(<= ULTIMATE.start_main_~x~4 82), 18009#(<= ULTIMATE.start_main_~x~4 84), 18010#(<= ULTIMATE.start_main_~x~4 86), 18011#(<= ULTIMATE.start_main_~x~4 88), 18012#(<= ULTIMATE.start_main_~x~4 90), 18013#(<= ULTIMATE.start_main_~x~4 92), 18014#(<= ULTIMATE.start_main_~x~4 94), 18015#(<= ULTIMATE.start_main_~x~4 96), 18016#(<= ULTIMATE.start_main_~x~4 98), 18017#(<= ULTIMATE.start_main_~x~4 100), 18018#(<= ULTIMATE.start_main_~x~4 102), 18019#(<= ULTIMATE.start_main_~x~4 104), 18020#(<= ULTIMATE.start_main_~x~4 106), 18021#(<= ULTIMATE.start_main_~x~4 108), 18022#(<= ULTIMATE.start_main_~x~4 110), 18023#(<= ULTIMATE.start_main_~x~4 112), 18024#(<= ULTIMATE.start_main_~x~4 114), 18025#(<= ULTIMATE.start_main_~x~4 116), 18026#(<= ULTIMATE.start_main_~x~4 118), 18027#(<= ULTIMATE.start_main_~x~4 120), 18028#(<= ULTIMATE.start_main_~x~4 122), 18029#(<= ULTIMATE.start_main_~x~4 124), 18030#(<= ULTIMATE.start_main_~x~4 126), 18031#(<= ULTIMATE.start_main_~x~4 128), 18032#(<= ULTIMATE.start_main_~x~4 130), 18033#(<= ULTIMATE.start_main_~x~4 132), 18034#(<= ULTIMATE.start_main_~x~4 134), 18035#(<= ULTIMATE.start_main_~x~4 136), 18036#(<= ULTIMATE.start_main_~x~4 138), 18037#(<= ULTIMATE.start_main_~x~4 140), 18038#(<= ULTIMATE.start_main_~x~4 142), 18039#(<= ULTIMATE.start_main_~x~4 144), 18040#(<= ULTIMATE.start_main_~x~4 146), 18041#(<= ULTIMATE.start_main_~x~4 148), 18042#(<= ULTIMATE.start_main_~x~4 150), 18043#(<= ULTIMATE.start_main_~x~4 152), 18044#(<= ULTIMATE.start_main_~x~4 154), 18045#(<= ULTIMATE.start_main_~x~4 156), 18046#(<= ULTIMATE.start_main_~x~4 158), 18047#(<= ULTIMATE.start_main_~x~4 160)] [2018-07-23 13:41:46,526 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 13:41:46,526 INFO L450 AbstractCegarLoop]: Interpolant automaton has 83 states [2018-07-23 13:41:46,527 INFO L132 InterpolantAutomaton]: Constructing interpolant automaton starting with 83 interpolants. [2018-07-23 13:41:46,527 INFO L133 InterpolantAutomaton]: CoverageRelationStatistics Valid=3403, Invalid=3403, Unknown=0, NotChecked=0, Total=6806 [2018-07-23 13:41:46,528 INFO L87 Difference]: Start difference. First operand 84 states and 84 transitions. Second operand 83 states. [2018-07-23 13:41:46,596 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2018-07-23 13:41:46,596 INFO L93 Difference]: Finished difference Result 87 states and 87 transitions. [2018-07-23 13:41:46,596 INFO L142 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 83 states. [2018-07-23 13:41:46,597 INFO L78 Accepts]: Start accepts. Automaton has 83 states. Word has length 83 [2018-07-23 13:41:46,597 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2018-07-23 13:41:46,598 INFO L225 Difference]: With dead ends: 87 [2018-07-23 13:41:46,598 INFO L226 Difference]: Without dead ends: 85 [2018-07-23 13:41:46,599 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 13:41:46,599 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 85 states. [2018-07-23 13:41:46,602 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 85 to 85. [2018-07-23 13:41:46,602 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 85 states. [2018-07-23 13:41:46,602 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 85 states to 85 states and 85 transitions. [2018-07-23 13:41:46,602 INFO L78 Accepts]: Start accepts. Automaton has 85 states and 85 transitions. Word has length 83 [2018-07-23 13:41:46,603 INFO L84 Accepts]: Finished accepts. word is rejected. [2018-07-23 13:41:46,603 INFO L471 AbstractCegarLoop]: Abstraction has 85 states and 85 transitions. [2018-07-23 13:41:46,603 INFO L472 AbstractCegarLoop]: Interpolant automaton has 83 states. [2018-07-23 13:41:46,603 INFO L276 IsEmpty]: Start isEmpty. Operand 85 states and 85 transitions. [2018-07-23 13:41:46,604 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 85 [2018-07-23 13:41:46,604 INFO L349 BasicCegarLoop]: Found error trace [2018-07-23 13:41:46,604 INFO L357 BasicCegarLoop]: trace histogram [81, 1, 1, 1] [2018-07-23 13:41:46,604 INFO L414 AbstractCegarLoop]: === Iteration 82 === [ULTIMATE.startErr0AssertViolationASSERT]=== [2018-07-23 13:41:46,605 INFO L82 PathProgramCache]: Analyzing trace with hash 423733288, now seen corresponding path program 81 times [2018-07-23 13:41:46,605 INFO L69 tionRefinementEngine]: Using refinement strategy FixedRefinementStrategy [2018-07-23 13:41:46,617 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-07-23 13:41:46,971 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 13:41:46,972 INFO L309 seRefinementStrategy]: Constructing automaton from 0 perfect and 1 imperfect interpolant sequences. [2018-07-23 13:41:46,972 INFO L324 seRefinementStrategy]: Number of different interpolants: perfect sequences [] imperfect sequences [83] total 83 [2018-07-23 13:41:46,972 INFO L142 lantAutomatonBuilder]: Constructing canonical interpolant automaton, with selfloop in false state [2018-07-23 13:41:46,973 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2018-07-23 13:41:46,973 INFO L185 omatonBuilderFactory]: Interpolants [18432#(<= ULTIMATE.start_main_~x~4 76), 18433#(<= ULTIMATE.start_main_~x~4 78), 18434#(<= ULTIMATE.start_main_~x~4 80), 18435#(<= ULTIMATE.start_main_~x~4 82), 18436#(<= ULTIMATE.start_main_~x~4 84), 18437#(<= ULTIMATE.start_main_~x~4 86), 18438#(<= ULTIMATE.start_main_~x~4 88), 18439#(<= ULTIMATE.start_main_~x~4 90), 18440#(<= ULTIMATE.start_main_~x~4 92), 18441#(<= ULTIMATE.start_main_~x~4 94), 18442#(<= ULTIMATE.start_main_~x~4 96), 18443#(<= ULTIMATE.start_main_~x~4 98), 18444#(<= ULTIMATE.start_main_~x~4 100), 18445#(<= ULTIMATE.start_main_~x~4 102), 18446#(<= ULTIMATE.start_main_~x~4 104), 18447#(<= ULTIMATE.start_main_~x~4 106), 18448#(<= ULTIMATE.start_main_~x~4 108), 18449#(<= ULTIMATE.start_main_~x~4 110), 18450#(<= ULTIMATE.start_main_~x~4 112), 18451#(<= ULTIMATE.start_main_~x~4 114), 18452#(<= ULTIMATE.start_main_~x~4 116), 18453#(<= ULTIMATE.start_main_~x~4 118), 18454#(<= ULTIMATE.start_main_~x~4 120), 18455#(<= ULTIMATE.start_main_~x~4 122), 18456#(<= ULTIMATE.start_main_~x~4 124), 18457#(<= ULTIMATE.start_main_~x~4 126), 18458#(<= ULTIMATE.start_main_~x~4 128), 18459#(<= ULTIMATE.start_main_~x~4 130), 18460#(<= ULTIMATE.start_main_~x~4 132), 18461#(<= ULTIMATE.start_main_~x~4 134), 18462#(<= ULTIMATE.start_main_~x~4 136), 18463#(<= ULTIMATE.start_main_~x~4 138), 18464#(<= ULTIMATE.start_main_~x~4 140), 18465#(<= ULTIMATE.start_main_~x~4 142), 18466#(<= ULTIMATE.start_main_~x~4 144), 18467#(<= ULTIMATE.start_main_~x~4 146), 18468#(<= ULTIMATE.start_main_~x~4 148), 18469#(<= ULTIMATE.start_main_~x~4 150), 18470#(<= ULTIMATE.start_main_~x~4 152), 18471#(<= ULTIMATE.start_main_~x~4 154), 18472#(<= ULTIMATE.start_main_~x~4 156), 18473#(<= ULTIMATE.start_main_~x~4 158), 18474#(<= ULTIMATE.start_main_~x~4 160), 18475#(<= ULTIMATE.start_main_~x~4 162), 18476#(<= ULTIMATE.start_main_~x~4 164), 18477#(<= ULTIMATE.start_main_~x~4 166), 18478#(<= ULTIMATE.start_main_~x~4 168), 18479#(<= ULTIMATE.start_main_~x~4 170), 18480#(<= ULTIMATE.start_main_~x~4 172), 18397#true, 18398#false, 18399#(<= ULTIMATE.start_main_~x~4 10), 18400#(<= ULTIMATE.start_main_~x~4 12), 18401#(<= ULTIMATE.start_main_~x~4 14), 18402#(<= ULTIMATE.start_main_~x~4 16), 18403#(<= ULTIMATE.start_main_~x~4 18), 18404#(<= ULTIMATE.start_main_~x~4 20), 18405#(<= ULTIMATE.start_main_~x~4 22), 18406#(<= ULTIMATE.start_main_~x~4 24), 18407#(<= ULTIMATE.start_main_~x~4 26), 18408#(<= ULTIMATE.start_main_~x~4 28), 18409#(<= ULTIMATE.start_main_~x~4 30), 18410#(<= ULTIMATE.start_main_~x~4 32), 18411#(<= ULTIMATE.start_main_~x~4 34), 18412#(<= ULTIMATE.start_main_~x~4 36), 18413#(<= ULTIMATE.start_main_~x~4 38), 18414#(<= ULTIMATE.start_main_~x~4 40), 18415#(<= ULTIMATE.start_main_~x~4 42), 18416#(<= ULTIMATE.start_main_~x~4 44), 18417#(<= ULTIMATE.start_main_~x~4 46), 18418#(<= ULTIMATE.start_main_~x~4 48), 18419#(<= ULTIMATE.start_main_~x~4 50), 18420#(<= ULTIMATE.start_main_~x~4 52), 18421#(<= ULTIMATE.start_main_~x~4 54), 18422#(<= ULTIMATE.start_main_~x~4 56), 18423#(<= ULTIMATE.start_main_~x~4 58), 18424#(<= ULTIMATE.start_main_~x~4 60), 18425#(<= ULTIMATE.start_main_~x~4 62), 18426#(<= ULTIMATE.start_main_~x~4 64), 18427#(<= ULTIMATE.start_main_~x~4 66), 18428#(<= ULTIMATE.start_main_~x~4 68), 18429#(<= ULTIMATE.start_main_~x~4 70), 18430#(<= ULTIMATE.start_main_~x~4 72), 18431#(<= ULTIMATE.start_main_~x~4 74)] [2018-07-23 13:41:46,974 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 13:41:46,974 INFO L450 AbstractCegarLoop]: Interpolant automaton has 84 states [2018-07-23 13:41:46,975 INFO L132 InterpolantAutomaton]: Constructing interpolant automaton starting with 84 interpolants. [2018-07-23 13:41:46,975 INFO L133 InterpolantAutomaton]: CoverageRelationStatistics Valid=3486, Invalid=3486, Unknown=0, NotChecked=0, Total=6972 [2018-07-23 13:41:46,976 INFO L87 Difference]: Start difference. First operand 85 states and 85 transitions. Second operand 84 states. [2018-07-23 13:41:47,034 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2018-07-23 13:41:47,035 INFO L93 Difference]: Finished difference Result 88 states and 88 transitions. [2018-07-23 13:41:47,035 INFO L142 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 84 states. [2018-07-23 13:41:47,035 INFO L78 Accepts]: Start accepts. Automaton has 84 states. Word has length 84 [2018-07-23 13:41:47,035 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2018-07-23 13:41:47,036 INFO L225 Difference]: With dead ends: 88 [2018-07-23 13:41:47,036 INFO L226 Difference]: Without dead ends: 86 [2018-07-23 13:41:47,037 INFO L575 BasicCegarLoop]: 0 DeclaredPredicates, 83 GetRequests, 1 SyntacticMatches, 0 SemanticMatches, 82 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 0 ImplicationChecksByTransitivity, 0.3s TimeCoverageRelationStatistics Valid=3486, Invalid=3486, Unknown=0, NotChecked=0, Total=6972 [2018-07-23 13:41:47,037 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 86 states. [2018-07-23 13:41:47,040 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 86 to 86. [2018-07-23 13:41:47,040 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 86 states. [2018-07-23 13:41:47,041 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 86 states to 86 states and 86 transitions. [2018-07-23 13:41:47,041 INFO L78 Accepts]: Start accepts. Automaton has 86 states and 86 transitions. Word has length 84 [2018-07-23 13:41:47,041 INFO L84 Accepts]: Finished accepts. word is rejected. [2018-07-23 13:41:47,041 INFO L471 AbstractCegarLoop]: Abstraction has 86 states and 86 transitions. [2018-07-23 13:41:47,042 INFO L472 AbstractCegarLoop]: Interpolant automaton has 84 states. [2018-07-23 13:41:47,042 INFO L276 IsEmpty]: Start isEmpty. Operand 86 states and 86 transitions. [2018-07-23 13:41:47,042 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 86 [2018-07-23 13:41:47,042 INFO L349 BasicCegarLoop]: Found error trace [2018-07-23 13:41:47,043 INFO L357 BasicCegarLoop]: trace histogram [82, 1, 1, 1] [2018-07-23 13:41:47,043 INFO L414 AbstractCegarLoop]: === Iteration 83 === [ULTIMATE.startErr0AssertViolationASSERT]=== [2018-07-23 13:41:47,043 INFO L82 PathProgramCache]: Analyzing trace with hash 250828065, now seen corresponding path program 82 times [2018-07-23 13:41:47,043 INFO L69 tionRefinementEngine]: Using refinement strategy FixedRefinementStrategy [2018-07-23 13:41:47,058 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-07-23 13:41:47,360 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 13:41:47,361 INFO L309 seRefinementStrategy]: Constructing automaton from 0 perfect and 1 imperfect interpolant sequences. [2018-07-23 13:41:47,361 INFO L324 seRefinementStrategy]: Number of different interpolants: perfect sequences [] imperfect sequences [84] total 84 [2018-07-23 13:41:47,361 INFO L142 lantAutomatonBuilder]: Constructing canonical interpolant automaton, with selfloop in false state [2018-07-23 13:41:47,361 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 13:41:47,362 INFO L185 omatonBuilderFactory]: Interpolants [18829#true, 18830#false, 18831#(<= ULTIMATE.start_main_~x~4 10), 18832#(<= ULTIMATE.start_main_~x~4 12), 18833#(<= ULTIMATE.start_main_~x~4 14), 18834#(<= ULTIMATE.start_main_~x~4 16), 18835#(<= ULTIMATE.start_main_~x~4 18), 18836#(<= ULTIMATE.start_main_~x~4 20), 18837#(<= ULTIMATE.start_main_~x~4 22), 18838#(<= ULTIMATE.start_main_~x~4 24), 18839#(<= ULTIMATE.start_main_~x~4 26), 18840#(<= ULTIMATE.start_main_~x~4 28), 18841#(<= ULTIMATE.start_main_~x~4 30), 18842#(<= ULTIMATE.start_main_~x~4 32), 18843#(<= ULTIMATE.start_main_~x~4 34), 18844#(<= ULTIMATE.start_main_~x~4 36), 18845#(<= ULTIMATE.start_main_~x~4 38), 18846#(<= ULTIMATE.start_main_~x~4 40), 18847#(<= ULTIMATE.start_main_~x~4 42), 18848#(<= ULTIMATE.start_main_~x~4 44), 18849#(<= ULTIMATE.start_main_~x~4 46), 18850#(<= ULTIMATE.start_main_~x~4 48), 18851#(<= ULTIMATE.start_main_~x~4 50), 18852#(<= ULTIMATE.start_main_~x~4 52), 18853#(<= ULTIMATE.start_main_~x~4 54), 18854#(<= ULTIMATE.start_main_~x~4 56), 18855#(<= ULTIMATE.start_main_~x~4 58), 18856#(<= ULTIMATE.start_main_~x~4 60), 18857#(<= ULTIMATE.start_main_~x~4 62), 18858#(<= ULTIMATE.start_main_~x~4 64), 18859#(<= ULTIMATE.start_main_~x~4 66), 18860#(<= ULTIMATE.start_main_~x~4 68), 18861#(<= ULTIMATE.start_main_~x~4 70), 18862#(<= ULTIMATE.start_main_~x~4 72), 18863#(<= ULTIMATE.start_main_~x~4 74), 18864#(<= ULTIMATE.start_main_~x~4 76), 18865#(<= ULTIMATE.start_main_~x~4 78), 18866#(<= ULTIMATE.start_main_~x~4 80), 18867#(<= ULTIMATE.start_main_~x~4 82), 18868#(<= ULTIMATE.start_main_~x~4 84), 18869#(<= ULTIMATE.start_main_~x~4 86), 18870#(<= ULTIMATE.start_main_~x~4 88), 18871#(<= ULTIMATE.start_main_~x~4 90), 18872#(<= ULTIMATE.start_main_~x~4 92), 18873#(<= ULTIMATE.start_main_~x~4 94), 18874#(<= ULTIMATE.start_main_~x~4 96), 18875#(<= ULTIMATE.start_main_~x~4 98), 18876#(<= ULTIMATE.start_main_~x~4 100), 18877#(<= ULTIMATE.start_main_~x~4 102), 18878#(<= ULTIMATE.start_main_~x~4 104), 18879#(<= ULTIMATE.start_main_~x~4 106), 18880#(<= ULTIMATE.start_main_~x~4 108), 18881#(<= ULTIMATE.start_main_~x~4 110), 18882#(<= ULTIMATE.start_main_~x~4 112), 18883#(<= ULTIMATE.start_main_~x~4 114), 18884#(<= ULTIMATE.start_main_~x~4 116), 18885#(<= ULTIMATE.start_main_~x~4 118), 18886#(<= ULTIMATE.start_main_~x~4 120), 18887#(<= ULTIMATE.start_main_~x~4 122), 18888#(<= ULTIMATE.start_main_~x~4 124), 18889#(<= ULTIMATE.start_main_~x~4 126), 18890#(<= ULTIMATE.start_main_~x~4 128), 18891#(<= ULTIMATE.start_main_~x~4 130), 18892#(<= ULTIMATE.start_main_~x~4 132), 18893#(<= ULTIMATE.start_main_~x~4 134), 18894#(<= ULTIMATE.start_main_~x~4 136), 18895#(<= ULTIMATE.start_main_~x~4 138), 18896#(<= ULTIMATE.start_main_~x~4 140), 18897#(<= ULTIMATE.start_main_~x~4 142), 18898#(<= ULTIMATE.start_main_~x~4 144), 18899#(<= ULTIMATE.start_main_~x~4 146), 18900#(<= ULTIMATE.start_main_~x~4 148), 18901#(<= ULTIMATE.start_main_~x~4 150), 18902#(<= ULTIMATE.start_main_~x~4 152), 18903#(<= ULTIMATE.start_main_~x~4 154), 18904#(<= ULTIMATE.start_main_~x~4 156), 18905#(<= ULTIMATE.start_main_~x~4 158), 18906#(<= ULTIMATE.start_main_~x~4 160), 18907#(<= ULTIMATE.start_main_~x~4 162), 18908#(<= ULTIMATE.start_main_~x~4 164), 18909#(<= ULTIMATE.start_main_~x~4 166), 18910#(<= ULTIMATE.start_main_~x~4 168), 18911#(<= ULTIMATE.start_main_~x~4 170), 18912#(<= ULTIMATE.start_main_~x~4 172), 18913#(<= ULTIMATE.start_main_~x~4 174)] [2018-07-23 13:41:47,362 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 13:41:47,362 INFO L450 AbstractCegarLoop]: Interpolant automaton has 85 states [2018-07-23 13:41:47,363 INFO L132 InterpolantAutomaton]: Constructing interpolant automaton starting with 85 interpolants. [2018-07-23 13:41:47,363 INFO L133 InterpolantAutomaton]: CoverageRelationStatistics Valid=3570, Invalid=3570, Unknown=0, NotChecked=0, Total=7140 [2018-07-23 13:41:47,364 INFO L87 Difference]: Start difference. First operand 86 states and 86 transitions. Second operand 85 states. [2018-07-23 13:41:47,459 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2018-07-23 13:41:47,460 INFO L93 Difference]: Finished difference Result 89 states and 89 transitions. [2018-07-23 13:41:47,460 INFO L142 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 85 states. [2018-07-23 13:41:47,460 INFO L78 Accepts]: Start accepts. Automaton has 85 states. Word has length 85 [2018-07-23 13:41:47,460 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2018-07-23 13:41:47,461 INFO L225 Difference]: With dead ends: 89 [2018-07-23 13:41:47,461 INFO L226 Difference]: Without dead ends: 87 [2018-07-23 13:41:47,462 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 13:41:47,462 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 87 states. [2018-07-23 13:41:47,464 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 87 to 87. [2018-07-23 13:41:47,464 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 87 states. [2018-07-23 13:41:47,464 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 87 states to 87 states and 87 transitions. [2018-07-23 13:41:47,465 INFO L78 Accepts]: Start accepts. Automaton has 87 states and 87 transitions. Word has length 85 [2018-07-23 13:41:47,465 INFO L84 Accepts]: Finished accepts. word is rejected. [2018-07-23 13:41:47,465 INFO L471 AbstractCegarLoop]: Abstraction has 87 states and 87 transitions. [2018-07-23 13:41:47,465 INFO L472 AbstractCegarLoop]: Interpolant automaton has 85 states. [2018-07-23 13:41:47,465 INFO L276 IsEmpty]: Start isEmpty. Operand 87 states and 87 transitions. [2018-07-23 13:41:47,466 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 87 [2018-07-23 13:41:47,466 INFO L349 BasicCegarLoop]: Found error trace [2018-07-23 13:41:47,466 INFO L357 BasicCegarLoop]: trace histogram [83, 1, 1, 1] [2018-07-23 13:41:47,466 INFO L414 AbstractCegarLoop]: === Iteration 84 === [ULTIMATE.startErr0AssertViolationASSERT]=== [2018-07-23 13:41:47,466 INFO L82 PathProgramCache]: Analyzing trace with hash -814266552, now seen corresponding path program 83 times [2018-07-23 13:41:47,466 INFO L69 tionRefinementEngine]: Using refinement strategy FixedRefinementStrategy [2018-07-23 13:41:47,475 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-07-23 13:41:47,663 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 13:41:47,664 INFO L309 seRefinementStrategy]: Constructing automaton from 0 perfect and 1 imperfect interpolant sequences. [2018-07-23 13:41:47,664 INFO L324 seRefinementStrategy]: Number of different interpolants: perfect sequences [] imperfect sequences [85] total 85 [2018-07-23 13:41:47,664 INFO L142 lantAutomatonBuilder]: Constructing canonical interpolant automaton, with selfloop in false state [2018-07-23 13:41:47,664 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2018-07-23 13:41:47,664 INFO L185 omatonBuilderFactory]: Interpolants [19328#(<= ULTIMATE.start_main_~x~4 130), 19329#(<= ULTIMATE.start_main_~x~4 132), 19330#(<= ULTIMATE.start_main_~x~4 134), 19331#(<= ULTIMATE.start_main_~x~4 136), 19332#(<= ULTIMATE.start_main_~x~4 138), 19333#(<= ULTIMATE.start_main_~x~4 140), 19334#(<= ULTIMATE.start_main_~x~4 142), 19335#(<= ULTIMATE.start_main_~x~4 144), 19336#(<= ULTIMATE.start_main_~x~4 146), 19337#(<= ULTIMATE.start_main_~x~4 148), 19338#(<= ULTIMATE.start_main_~x~4 150), 19339#(<= ULTIMATE.start_main_~x~4 152), 19340#(<= ULTIMATE.start_main_~x~4 154), 19341#(<= ULTIMATE.start_main_~x~4 156), 19342#(<= ULTIMATE.start_main_~x~4 158), 19343#(<= ULTIMATE.start_main_~x~4 160), 19344#(<= ULTIMATE.start_main_~x~4 162), 19345#(<= ULTIMATE.start_main_~x~4 164), 19346#(<= ULTIMATE.start_main_~x~4 166), 19347#(<= ULTIMATE.start_main_~x~4 168), 19348#(<= ULTIMATE.start_main_~x~4 170), 19349#(<= ULTIMATE.start_main_~x~4 172), 19350#(<= ULTIMATE.start_main_~x~4 174), 19351#(<= ULTIMATE.start_main_~x~4 176), 19266#true, 19267#false, 19268#(<= ULTIMATE.start_main_~x~4 10), 19269#(<= ULTIMATE.start_main_~x~4 12), 19270#(<= ULTIMATE.start_main_~x~4 14), 19271#(<= ULTIMATE.start_main_~x~4 16), 19272#(<= ULTIMATE.start_main_~x~4 18), 19273#(<= ULTIMATE.start_main_~x~4 20), 19274#(<= ULTIMATE.start_main_~x~4 22), 19275#(<= ULTIMATE.start_main_~x~4 24), 19276#(<= ULTIMATE.start_main_~x~4 26), 19277#(<= ULTIMATE.start_main_~x~4 28), 19278#(<= ULTIMATE.start_main_~x~4 30), 19279#(<= ULTIMATE.start_main_~x~4 32), 19280#(<= ULTIMATE.start_main_~x~4 34), 19281#(<= ULTIMATE.start_main_~x~4 36), 19282#(<= ULTIMATE.start_main_~x~4 38), 19283#(<= ULTIMATE.start_main_~x~4 40), 19284#(<= ULTIMATE.start_main_~x~4 42), 19285#(<= ULTIMATE.start_main_~x~4 44), 19286#(<= ULTIMATE.start_main_~x~4 46), 19287#(<= ULTIMATE.start_main_~x~4 48), 19288#(<= ULTIMATE.start_main_~x~4 50), 19289#(<= ULTIMATE.start_main_~x~4 52), 19290#(<= ULTIMATE.start_main_~x~4 54), 19291#(<= ULTIMATE.start_main_~x~4 56), 19292#(<= ULTIMATE.start_main_~x~4 58), 19293#(<= ULTIMATE.start_main_~x~4 60), 19294#(<= ULTIMATE.start_main_~x~4 62), 19295#(<= ULTIMATE.start_main_~x~4 64), 19296#(<= ULTIMATE.start_main_~x~4 66), 19297#(<= ULTIMATE.start_main_~x~4 68), 19298#(<= ULTIMATE.start_main_~x~4 70), 19299#(<= ULTIMATE.start_main_~x~4 72), 19300#(<= ULTIMATE.start_main_~x~4 74), 19301#(<= ULTIMATE.start_main_~x~4 76), 19302#(<= ULTIMATE.start_main_~x~4 78), 19303#(<= ULTIMATE.start_main_~x~4 80), 19304#(<= ULTIMATE.start_main_~x~4 82), 19305#(<= ULTIMATE.start_main_~x~4 84), 19306#(<= ULTIMATE.start_main_~x~4 86), 19307#(<= ULTIMATE.start_main_~x~4 88), 19308#(<= ULTIMATE.start_main_~x~4 90), 19309#(<= ULTIMATE.start_main_~x~4 92), 19310#(<= ULTIMATE.start_main_~x~4 94), 19311#(<= ULTIMATE.start_main_~x~4 96), 19312#(<= ULTIMATE.start_main_~x~4 98), 19313#(<= ULTIMATE.start_main_~x~4 100), 19314#(<= ULTIMATE.start_main_~x~4 102), 19315#(<= ULTIMATE.start_main_~x~4 104), 19316#(<= ULTIMATE.start_main_~x~4 106), 19317#(<= ULTIMATE.start_main_~x~4 108), 19318#(<= ULTIMATE.start_main_~x~4 110), 19319#(<= ULTIMATE.start_main_~x~4 112), 19320#(<= ULTIMATE.start_main_~x~4 114), 19321#(<= ULTIMATE.start_main_~x~4 116), 19322#(<= ULTIMATE.start_main_~x~4 118), 19323#(<= ULTIMATE.start_main_~x~4 120), 19324#(<= ULTIMATE.start_main_~x~4 122), 19325#(<= ULTIMATE.start_main_~x~4 124), 19326#(<= ULTIMATE.start_main_~x~4 126), 19327#(<= ULTIMATE.start_main_~x~4 128)] [2018-07-23 13:41:47,665 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 13:41:47,665 INFO L450 AbstractCegarLoop]: Interpolant automaton has 86 states [2018-07-23 13:41:47,666 INFO L132 InterpolantAutomaton]: Constructing interpolant automaton starting with 86 interpolants. [2018-07-23 13:41:47,666 INFO L133 InterpolantAutomaton]: CoverageRelationStatistics Valid=3655, Invalid=3655, Unknown=0, NotChecked=0, Total=7310 [2018-07-23 13:41:47,666 INFO L87 Difference]: Start difference. First operand 87 states and 87 transitions. Second operand 86 states. [2018-07-23 13:41:47,718 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2018-07-23 13:41:47,718 INFO L93 Difference]: Finished difference Result 90 states and 90 transitions. [2018-07-23 13:41:47,718 INFO L142 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 86 states. [2018-07-23 13:41:47,718 INFO L78 Accepts]: Start accepts. Automaton has 86 states. Word has length 86 [2018-07-23 13:41:47,719 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2018-07-23 13:41:47,719 INFO L225 Difference]: With dead ends: 90 [2018-07-23 13:41:47,719 INFO L226 Difference]: Without dead ends: 88 [2018-07-23 13:41:47,720 INFO L575 BasicCegarLoop]: 0 DeclaredPredicates, 85 GetRequests, 1 SyntacticMatches, 0 SemanticMatches, 84 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 0 ImplicationChecksByTransitivity, 0.1s TimeCoverageRelationStatistics Valid=3655, Invalid=3655, Unknown=0, NotChecked=0, Total=7310 [2018-07-23 13:41:47,720 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 88 states. [2018-07-23 13:41:47,723 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 88 to 88. [2018-07-23 13:41:47,723 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 88 states. [2018-07-23 13:41:47,723 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 88 states to 88 states and 88 transitions. [2018-07-23 13:41:47,724 INFO L78 Accepts]: Start accepts. Automaton has 88 states and 88 transitions. Word has length 86 [2018-07-23 13:41:47,724 INFO L84 Accepts]: Finished accepts. word is rejected. [2018-07-23 13:41:47,724 INFO L471 AbstractCegarLoop]: Abstraction has 88 states and 88 transitions. [2018-07-23 13:41:47,724 INFO L472 AbstractCegarLoop]: Interpolant automaton has 86 states. [2018-07-23 13:41:47,724 INFO L276 IsEmpty]: Start isEmpty. Operand 88 states and 88 transitions. [2018-07-23 13:41:47,725 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 88 [2018-07-23 13:41:47,725 INFO L349 BasicCegarLoop]: Found error trace [2018-07-23 13:41:47,725 INFO L357 BasicCegarLoop]: trace histogram [84, 1, 1, 1] [2018-07-23 13:41:47,725 INFO L414 AbstractCegarLoop]: === Iteration 85 === [ULTIMATE.startErr0AssertViolationASSERT]=== [2018-07-23 13:41:47,725 INFO L82 PathProgramCache]: Analyzing trace with hash 527538689, now seen corresponding path program 84 times [2018-07-23 13:41:47,725 INFO L69 tionRefinementEngine]: Using refinement strategy FixedRefinementStrategy [2018-07-23 13:41:47,735 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-07-23 13:41:47,981 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 13:41:47,981 INFO L309 seRefinementStrategy]: Constructing automaton from 0 perfect and 1 imperfect interpolant sequences. [2018-07-23 13:41:47,981 INFO L324 seRefinementStrategy]: Number of different interpolants: perfect sequences [] imperfect sequences [86] total 86 [2018-07-23 13:41:47,982 INFO L142 lantAutomatonBuilder]: Constructing canonical interpolant automaton, with selfloop in false state [2018-07-23 13:41:47,982 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2018-07-23 13:41:47,982 INFO L185 omatonBuilderFactory]: Interpolants [19712#(<= ULTIMATE.start_main_~x~4 14), 19713#(<= ULTIMATE.start_main_~x~4 16), 19714#(<= ULTIMATE.start_main_~x~4 18), 19715#(<= ULTIMATE.start_main_~x~4 20), 19716#(<= ULTIMATE.start_main_~x~4 22), 19717#(<= ULTIMATE.start_main_~x~4 24), 19718#(<= ULTIMATE.start_main_~x~4 26), 19719#(<= ULTIMATE.start_main_~x~4 28), 19720#(<= ULTIMATE.start_main_~x~4 30), 19721#(<= ULTIMATE.start_main_~x~4 32), 19722#(<= ULTIMATE.start_main_~x~4 34), 19723#(<= ULTIMATE.start_main_~x~4 36), 19724#(<= ULTIMATE.start_main_~x~4 38), 19725#(<= ULTIMATE.start_main_~x~4 40), 19726#(<= ULTIMATE.start_main_~x~4 42), 19727#(<= ULTIMATE.start_main_~x~4 44), 19728#(<= ULTIMATE.start_main_~x~4 46), 19729#(<= ULTIMATE.start_main_~x~4 48), 19730#(<= ULTIMATE.start_main_~x~4 50), 19731#(<= ULTIMATE.start_main_~x~4 52), 19732#(<= ULTIMATE.start_main_~x~4 54), 19733#(<= ULTIMATE.start_main_~x~4 56), 19734#(<= ULTIMATE.start_main_~x~4 58), 19735#(<= ULTIMATE.start_main_~x~4 60), 19736#(<= ULTIMATE.start_main_~x~4 62), 19737#(<= ULTIMATE.start_main_~x~4 64), 19738#(<= ULTIMATE.start_main_~x~4 66), 19739#(<= ULTIMATE.start_main_~x~4 68), 19740#(<= ULTIMATE.start_main_~x~4 70), 19741#(<= ULTIMATE.start_main_~x~4 72), 19742#(<= ULTIMATE.start_main_~x~4 74), 19743#(<= ULTIMATE.start_main_~x~4 76), 19744#(<= ULTIMATE.start_main_~x~4 78), 19745#(<= ULTIMATE.start_main_~x~4 80), 19746#(<= ULTIMATE.start_main_~x~4 82), 19747#(<= ULTIMATE.start_main_~x~4 84), 19748#(<= ULTIMATE.start_main_~x~4 86), 19749#(<= ULTIMATE.start_main_~x~4 88), 19750#(<= ULTIMATE.start_main_~x~4 90), 19751#(<= ULTIMATE.start_main_~x~4 92), 19752#(<= ULTIMATE.start_main_~x~4 94), 19753#(<= ULTIMATE.start_main_~x~4 96), 19754#(<= ULTIMATE.start_main_~x~4 98), 19755#(<= ULTIMATE.start_main_~x~4 100), 19756#(<= ULTIMATE.start_main_~x~4 102), 19757#(<= ULTIMATE.start_main_~x~4 104), 19758#(<= ULTIMATE.start_main_~x~4 106), 19759#(<= ULTIMATE.start_main_~x~4 108), 19760#(<= ULTIMATE.start_main_~x~4 110), 19761#(<= ULTIMATE.start_main_~x~4 112), 19762#(<= ULTIMATE.start_main_~x~4 114), 19763#(<= ULTIMATE.start_main_~x~4 116), 19764#(<= ULTIMATE.start_main_~x~4 118), 19765#(<= ULTIMATE.start_main_~x~4 120), 19766#(<= ULTIMATE.start_main_~x~4 122), 19767#(<= ULTIMATE.start_main_~x~4 124), 19768#(<= ULTIMATE.start_main_~x~4 126), 19769#(<= ULTIMATE.start_main_~x~4 128), 19770#(<= ULTIMATE.start_main_~x~4 130), 19771#(<= ULTIMATE.start_main_~x~4 132), 19772#(<= ULTIMATE.start_main_~x~4 134), 19773#(<= ULTIMATE.start_main_~x~4 136), 19774#(<= ULTIMATE.start_main_~x~4 138), 19775#(<= ULTIMATE.start_main_~x~4 140), 19776#(<= ULTIMATE.start_main_~x~4 142), 19777#(<= ULTIMATE.start_main_~x~4 144), 19778#(<= ULTIMATE.start_main_~x~4 146), 19779#(<= ULTIMATE.start_main_~x~4 148), 19780#(<= ULTIMATE.start_main_~x~4 150), 19781#(<= ULTIMATE.start_main_~x~4 152), 19782#(<= ULTIMATE.start_main_~x~4 154), 19783#(<= ULTIMATE.start_main_~x~4 156), 19784#(<= ULTIMATE.start_main_~x~4 158), 19785#(<= ULTIMATE.start_main_~x~4 160), 19786#(<= ULTIMATE.start_main_~x~4 162), 19787#(<= ULTIMATE.start_main_~x~4 164), 19788#(<= ULTIMATE.start_main_~x~4 166), 19789#(<= ULTIMATE.start_main_~x~4 168), 19790#(<= ULTIMATE.start_main_~x~4 170), 19791#(<= ULTIMATE.start_main_~x~4 172), 19792#(<= ULTIMATE.start_main_~x~4 174), 19793#(<= ULTIMATE.start_main_~x~4 176), 19794#(<= ULTIMATE.start_main_~x~4 178), 19708#true, 19709#false, 19710#(<= ULTIMATE.start_main_~x~4 10), 19711#(<= ULTIMATE.start_main_~x~4 12)] [2018-07-23 13:41:47,982 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 13:41:47,983 INFO L450 AbstractCegarLoop]: Interpolant automaton has 87 states [2018-07-23 13:41:47,984 INFO L132 InterpolantAutomaton]: Constructing interpolant automaton starting with 87 interpolants. [2018-07-23 13:41:47,985 INFO L133 InterpolantAutomaton]: CoverageRelationStatistics Valid=3741, Invalid=3741, Unknown=0, NotChecked=0, Total=7482 [2018-07-23 13:41:47,985 INFO L87 Difference]: Start difference. First operand 88 states and 88 transitions. Second operand 87 states. [2018-07-23 13:41:48,087 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2018-07-23 13:41:48,087 INFO L93 Difference]: Finished difference Result 91 states and 91 transitions. [2018-07-23 13:41:48,087 INFO L142 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 87 states. [2018-07-23 13:41:48,087 INFO L78 Accepts]: Start accepts. Automaton has 87 states. Word has length 87 [2018-07-23 13:41:48,088 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2018-07-23 13:41:48,088 INFO L225 Difference]: With dead ends: 91 [2018-07-23 13:41:48,088 INFO L226 Difference]: Without dead ends: 89 [2018-07-23 13:41:48,089 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 13:41:48,089 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 89 states. [2018-07-23 13:41:48,091 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 89 to 89. [2018-07-23 13:41:48,091 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 89 states. [2018-07-23 13:41:48,091 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 89 states to 89 states and 89 transitions. [2018-07-23 13:41:48,092 INFO L78 Accepts]: Start accepts. Automaton has 89 states and 89 transitions. Word has length 87 [2018-07-23 13:41:48,092 INFO L84 Accepts]: Finished accepts. word is rejected. [2018-07-23 13:41:48,092 INFO L471 AbstractCegarLoop]: Abstraction has 89 states and 89 transitions. [2018-07-23 13:41:48,092 INFO L472 AbstractCegarLoop]: Interpolant automaton has 87 states. [2018-07-23 13:41:48,092 INFO L276 IsEmpty]: Start isEmpty. Operand 89 states and 89 transitions. [2018-07-23 13:41:48,093 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 89 [2018-07-23 13:41:48,093 INFO L349 BasicCegarLoop]: Found error trace [2018-07-23 13:41:48,093 INFO L357 BasicCegarLoop]: trace histogram [85, 1, 1, 1] [2018-07-23 13:41:48,093 INFO L414 AbstractCegarLoop]: === Iteration 86 === [ULTIMATE.startErr0AssertViolationASSERT]=== [2018-07-23 13:41:48,093 INFO L82 PathProgramCache]: Analyzing trace with hash -826171800, now seen corresponding path program 85 times [2018-07-23 13:41:48,093 INFO L69 tionRefinementEngine]: Using refinement strategy FixedRefinementStrategy [2018-07-23 13:41:48,104 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-07-23 13:41:48,352 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 13:41:48,352 INFO L309 seRefinementStrategy]: Constructing automaton from 0 perfect and 1 imperfect interpolant sequences. [2018-07-23 13:41:48,353 INFO L324 seRefinementStrategy]: Number of different interpolants: perfect sequences [] imperfect sequences [87] total 87 [2018-07-23 13:41:48,353 INFO L142 lantAutomatonBuilder]: Constructing canonical interpolant automaton, with selfloop in false state [2018-07-23 13:41:48,353 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 13:41:48,353 INFO L185 omatonBuilderFactory]: Interpolants [20224#(<= ULTIMATE.start_main_~x~4 144), 20225#(<= ULTIMATE.start_main_~x~4 146), 20226#(<= ULTIMATE.start_main_~x~4 148), 20227#(<= ULTIMATE.start_main_~x~4 150), 20228#(<= ULTIMATE.start_main_~x~4 152), 20229#(<= ULTIMATE.start_main_~x~4 154), 20230#(<= ULTIMATE.start_main_~x~4 156), 20231#(<= ULTIMATE.start_main_~x~4 158), 20232#(<= ULTIMATE.start_main_~x~4 160), 20233#(<= ULTIMATE.start_main_~x~4 162), 20234#(<= ULTIMATE.start_main_~x~4 164), 20235#(<= ULTIMATE.start_main_~x~4 166), 20236#(<= ULTIMATE.start_main_~x~4 168), 20237#(<= ULTIMATE.start_main_~x~4 170), 20238#(<= ULTIMATE.start_main_~x~4 172), 20239#(<= ULTIMATE.start_main_~x~4 174), 20240#(<= ULTIMATE.start_main_~x~4 176), 20241#(<= ULTIMATE.start_main_~x~4 178), 20242#(<= ULTIMATE.start_main_~x~4 180), 20155#true, 20156#false, 20157#(<= ULTIMATE.start_main_~x~4 10), 20158#(<= ULTIMATE.start_main_~x~4 12), 20159#(<= ULTIMATE.start_main_~x~4 14), 20160#(<= ULTIMATE.start_main_~x~4 16), 20161#(<= ULTIMATE.start_main_~x~4 18), 20162#(<= ULTIMATE.start_main_~x~4 20), 20163#(<= ULTIMATE.start_main_~x~4 22), 20164#(<= ULTIMATE.start_main_~x~4 24), 20165#(<= ULTIMATE.start_main_~x~4 26), 20166#(<= ULTIMATE.start_main_~x~4 28), 20167#(<= ULTIMATE.start_main_~x~4 30), 20168#(<= ULTIMATE.start_main_~x~4 32), 20169#(<= ULTIMATE.start_main_~x~4 34), 20170#(<= ULTIMATE.start_main_~x~4 36), 20171#(<= ULTIMATE.start_main_~x~4 38), 20172#(<= ULTIMATE.start_main_~x~4 40), 20173#(<= ULTIMATE.start_main_~x~4 42), 20174#(<= ULTIMATE.start_main_~x~4 44), 20175#(<= ULTIMATE.start_main_~x~4 46), 20176#(<= ULTIMATE.start_main_~x~4 48), 20177#(<= ULTIMATE.start_main_~x~4 50), 20178#(<= ULTIMATE.start_main_~x~4 52), 20179#(<= ULTIMATE.start_main_~x~4 54), 20180#(<= ULTIMATE.start_main_~x~4 56), 20181#(<= ULTIMATE.start_main_~x~4 58), 20182#(<= ULTIMATE.start_main_~x~4 60), 20183#(<= ULTIMATE.start_main_~x~4 62), 20184#(<= ULTIMATE.start_main_~x~4 64), 20185#(<= ULTIMATE.start_main_~x~4 66), 20186#(<= ULTIMATE.start_main_~x~4 68), 20187#(<= ULTIMATE.start_main_~x~4 70), 20188#(<= ULTIMATE.start_main_~x~4 72), 20189#(<= ULTIMATE.start_main_~x~4 74), 20190#(<= ULTIMATE.start_main_~x~4 76), 20191#(<= ULTIMATE.start_main_~x~4 78), 20192#(<= ULTIMATE.start_main_~x~4 80), 20193#(<= ULTIMATE.start_main_~x~4 82), 20194#(<= ULTIMATE.start_main_~x~4 84), 20195#(<= ULTIMATE.start_main_~x~4 86), 20196#(<= ULTIMATE.start_main_~x~4 88), 20197#(<= ULTIMATE.start_main_~x~4 90), 20198#(<= ULTIMATE.start_main_~x~4 92), 20199#(<= ULTIMATE.start_main_~x~4 94), 20200#(<= ULTIMATE.start_main_~x~4 96), 20201#(<= ULTIMATE.start_main_~x~4 98), 20202#(<= ULTIMATE.start_main_~x~4 100), 20203#(<= ULTIMATE.start_main_~x~4 102), 20204#(<= ULTIMATE.start_main_~x~4 104), 20205#(<= ULTIMATE.start_main_~x~4 106), 20206#(<= ULTIMATE.start_main_~x~4 108), 20207#(<= ULTIMATE.start_main_~x~4 110), 20208#(<= ULTIMATE.start_main_~x~4 112), 20209#(<= ULTIMATE.start_main_~x~4 114), 20210#(<= ULTIMATE.start_main_~x~4 116), 20211#(<= ULTIMATE.start_main_~x~4 118), 20212#(<= ULTIMATE.start_main_~x~4 120), 20213#(<= ULTIMATE.start_main_~x~4 122), 20214#(<= ULTIMATE.start_main_~x~4 124), 20215#(<= ULTIMATE.start_main_~x~4 126), 20216#(<= ULTIMATE.start_main_~x~4 128), 20217#(<= ULTIMATE.start_main_~x~4 130), 20218#(<= ULTIMATE.start_main_~x~4 132), 20219#(<= ULTIMATE.start_main_~x~4 134), 20220#(<= ULTIMATE.start_main_~x~4 136), 20221#(<= ULTIMATE.start_main_~x~4 138), 20222#(<= ULTIMATE.start_main_~x~4 140), 20223#(<= ULTIMATE.start_main_~x~4 142)] [2018-07-23 13:41:48,354 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 13:41:48,354 INFO L450 AbstractCegarLoop]: Interpolant automaton has 88 states [2018-07-23 13:41:48,355 INFO L132 InterpolantAutomaton]: Constructing interpolant automaton starting with 88 interpolants. [2018-07-23 13:41:48,355 INFO L133 InterpolantAutomaton]: CoverageRelationStatistics Valid=3828, Invalid=3828, Unknown=0, NotChecked=0, Total=7656 [2018-07-23 13:41:48,356 INFO L87 Difference]: Start difference. First operand 89 states and 89 transitions. Second operand 88 states. [2018-07-23 13:41:48,417 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2018-07-23 13:41:48,417 INFO L93 Difference]: Finished difference Result 92 states and 92 transitions. [2018-07-23 13:41:48,418 INFO L142 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 88 states. [2018-07-23 13:41:48,418 INFO L78 Accepts]: Start accepts. Automaton has 88 states. Word has length 88 [2018-07-23 13:41:48,418 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2018-07-23 13:41:48,419 INFO L225 Difference]: With dead ends: 92 [2018-07-23 13:41:48,419 INFO L226 Difference]: Without dead ends: 90 [2018-07-23 13:41:48,420 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 13:41:48,420 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 90 states. [2018-07-23 13:41:48,422 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 90 to 90. [2018-07-23 13:41:48,422 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 90 states. [2018-07-23 13:41:48,423 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 90 states to 90 states and 90 transitions. [2018-07-23 13:41:48,423 INFO L78 Accepts]: Start accepts. Automaton has 90 states and 90 transitions. Word has length 88 [2018-07-23 13:41:48,423 INFO L84 Accepts]: Finished accepts. word is rejected. [2018-07-23 13:41:48,423 INFO L471 AbstractCegarLoop]: Abstraction has 90 states and 90 transitions. [2018-07-23 13:41:48,423 INFO L472 AbstractCegarLoop]: Interpolant automaton has 88 states. [2018-07-23 13:41:48,423 INFO L276 IsEmpty]: Start isEmpty. Operand 90 states and 90 transitions. [2018-07-23 13:41:48,424 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 90 [2018-07-23 13:41:48,424 INFO L349 BasicCegarLoop]: Found error trace [2018-07-23 13:41:48,424 INFO L357 BasicCegarLoop]: trace histogram [86, 1, 1, 1] [2018-07-23 13:41:48,424 INFO L414 AbstractCegarLoop]: === Iteration 87 === [ULTIMATE.startErr0AssertViolationASSERT]=== [2018-07-23 13:41:48,425 INFO L82 PathProgramCache]: Analyzing trace with hash 158476001, now seen corresponding path program 86 times [2018-07-23 13:41:48,425 INFO L69 tionRefinementEngine]: Using refinement strategy FixedRefinementStrategy [2018-07-23 13:41:48,436 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-07-23 13:41:48,725 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 13:41:48,726 INFO L309 seRefinementStrategy]: Constructing automaton from 0 perfect and 1 imperfect interpolant sequences. [2018-07-23 13:41:48,726 INFO L324 seRefinementStrategy]: Number of different interpolants: perfect sequences [] imperfect sequences [88] total 88 [2018-07-23 13:41:48,726 INFO L142 lantAutomatonBuilder]: Constructing canonical interpolant automaton, with selfloop in false state [2018-07-23 13:41:48,726 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2018-07-23 13:41:48,727 INFO L185 omatonBuilderFactory]: Interpolants [20608#false, 20609#(<= ULTIMATE.start_main_~x~4 10), 20610#(<= ULTIMATE.start_main_~x~4 12), 20611#(<= ULTIMATE.start_main_~x~4 14), 20612#(<= ULTIMATE.start_main_~x~4 16), 20613#(<= ULTIMATE.start_main_~x~4 18), 20614#(<= ULTIMATE.start_main_~x~4 20), 20615#(<= ULTIMATE.start_main_~x~4 22), 20616#(<= ULTIMATE.start_main_~x~4 24), 20617#(<= ULTIMATE.start_main_~x~4 26), 20618#(<= ULTIMATE.start_main_~x~4 28), 20619#(<= ULTIMATE.start_main_~x~4 30), 20620#(<= ULTIMATE.start_main_~x~4 32), 20621#(<= ULTIMATE.start_main_~x~4 34), 20622#(<= ULTIMATE.start_main_~x~4 36), 20623#(<= ULTIMATE.start_main_~x~4 38), 20624#(<= ULTIMATE.start_main_~x~4 40), 20625#(<= ULTIMATE.start_main_~x~4 42), 20626#(<= ULTIMATE.start_main_~x~4 44), 20627#(<= ULTIMATE.start_main_~x~4 46), 20628#(<= ULTIMATE.start_main_~x~4 48), 20629#(<= ULTIMATE.start_main_~x~4 50), 20630#(<= ULTIMATE.start_main_~x~4 52), 20631#(<= ULTIMATE.start_main_~x~4 54), 20632#(<= ULTIMATE.start_main_~x~4 56), 20633#(<= ULTIMATE.start_main_~x~4 58), 20634#(<= ULTIMATE.start_main_~x~4 60), 20635#(<= ULTIMATE.start_main_~x~4 62), 20636#(<= ULTIMATE.start_main_~x~4 64), 20637#(<= ULTIMATE.start_main_~x~4 66), 20638#(<= ULTIMATE.start_main_~x~4 68), 20639#(<= ULTIMATE.start_main_~x~4 70), 20640#(<= ULTIMATE.start_main_~x~4 72), 20641#(<= ULTIMATE.start_main_~x~4 74), 20642#(<= ULTIMATE.start_main_~x~4 76), 20643#(<= ULTIMATE.start_main_~x~4 78), 20644#(<= ULTIMATE.start_main_~x~4 80), 20645#(<= ULTIMATE.start_main_~x~4 82), 20646#(<= ULTIMATE.start_main_~x~4 84), 20647#(<= ULTIMATE.start_main_~x~4 86), 20648#(<= ULTIMATE.start_main_~x~4 88), 20649#(<= ULTIMATE.start_main_~x~4 90), 20650#(<= ULTIMATE.start_main_~x~4 92), 20651#(<= ULTIMATE.start_main_~x~4 94), 20652#(<= ULTIMATE.start_main_~x~4 96), 20653#(<= ULTIMATE.start_main_~x~4 98), 20654#(<= ULTIMATE.start_main_~x~4 100), 20655#(<= ULTIMATE.start_main_~x~4 102), 20656#(<= ULTIMATE.start_main_~x~4 104), 20657#(<= ULTIMATE.start_main_~x~4 106), 20658#(<= ULTIMATE.start_main_~x~4 108), 20659#(<= ULTIMATE.start_main_~x~4 110), 20660#(<= ULTIMATE.start_main_~x~4 112), 20661#(<= ULTIMATE.start_main_~x~4 114), 20662#(<= ULTIMATE.start_main_~x~4 116), 20663#(<= ULTIMATE.start_main_~x~4 118), 20664#(<= ULTIMATE.start_main_~x~4 120), 20665#(<= ULTIMATE.start_main_~x~4 122), 20666#(<= ULTIMATE.start_main_~x~4 124), 20667#(<= ULTIMATE.start_main_~x~4 126), 20668#(<= ULTIMATE.start_main_~x~4 128), 20669#(<= ULTIMATE.start_main_~x~4 130), 20670#(<= ULTIMATE.start_main_~x~4 132), 20671#(<= ULTIMATE.start_main_~x~4 134), 20672#(<= ULTIMATE.start_main_~x~4 136), 20673#(<= ULTIMATE.start_main_~x~4 138), 20674#(<= ULTIMATE.start_main_~x~4 140), 20675#(<= ULTIMATE.start_main_~x~4 142), 20676#(<= ULTIMATE.start_main_~x~4 144), 20677#(<= ULTIMATE.start_main_~x~4 146), 20678#(<= ULTIMATE.start_main_~x~4 148), 20679#(<= ULTIMATE.start_main_~x~4 150), 20680#(<= ULTIMATE.start_main_~x~4 152), 20681#(<= ULTIMATE.start_main_~x~4 154), 20682#(<= ULTIMATE.start_main_~x~4 156), 20683#(<= ULTIMATE.start_main_~x~4 158), 20684#(<= ULTIMATE.start_main_~x~4 160), 20685#(<= ULTIMATE.start_main_~x~4 162), 20686#(<= ULTIMATE.start_main_~x~4 164), 20687#(<= ULTIMATE.start_main_~x~4 166), 20688#(<= ULTIMATE.start_main_~x~4 168), 20689#(<= ULTIMATE.start_main_~x~4 170), 20690#(<= ULTIMATE.start_main_~x~4 172), 20691#(<= ULTIMATE.start_main_~x~4 174), 20692#(<= ULTIMATE.start_main_~x~4 176), 20693#(<= ULTIMATE.start_main_~x~4 178), 20694#(<= ULTIMATE.start_main_~x~4 180), 20695#(<= ULTIMATE.start_main_~x~4 182), 20607#true] [2018-07-23 13:41:48,727 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 13:41:48,727 INFO L450 AbstractCegarLoop]: Interpolant automaton has 89 states [2018-07-23 13:41:48,728 INFO L132 InterpolantAutomaton]: Constructing interpolant automaton starting with 89 interpolants. [2018-07-23 13:41:48,729 INFO L133 InterpolantAutomaton]: CoverageRelationStatistics Valid=3916, Invalid=3916, Unknown=0, NotChecked=0, Total=7832 [2018-07-23 13:41:48,729 INFO L87 Difference]: Start difference. First operand 90 states and 90 transitions. Second operand 89 states. [2018-07-23 13:41:48,838 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2018-07-23 13:41:48,838 INFO L93 Difference]: Finished difference Result 93 states and 93 transitions. [2018-07-23 13:41:48,838 INFO L142 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 89 states. [2018-07-23 13:41:48,839 INFO L78 Accepts]: Start accepts. Automaton has 89 states. Word has length 89 [2018-07-23 13:41:48,839 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2018-07-23 13:41:48,839 INFO L225 Difference]: With dead ends: 93 [2018-07-23 13:41:48,840 INFO L226 Difference]: Without dead ends: 91 [2018-07-23 13:41:48,840 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 13:41:48,841 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 91 states. [2018-07-23 13:41:48,843 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 91 to 91. [2018-07-23 13:41:48,843 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 91 states. [2018-07-23 13:41:48,843 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 91 states to 91 states and 91 transitions. [2018-07-23 13:41:48,843 INFO L78 Accepts]: Start accepts. Automaton has 91 states and 91 transitions. Word has length 89 [2018-07-23 13:41:48,844 INFO L84 Accepts]: Finished accepts. word is rejected. [2018-07-23 13:41:48,844 INFO L471 AbstractCegarLoop]: Abstraction has 91 states and 91 transitions. [2018-07-23 13:41:48,844 INFO L472 AbstractCegarLoop]: Interpolant automaton has 89 states. [2018-07-23 13:41:48,844 INFO L276 IsEmpty]: Start isEmpty. Operand 91 states and 91 transitions. [2018-07-23 13:41:48,844 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 91 [2018-07-23 13:41:48,844 INFO L349 BasicCegarLoop]: Found error trace [2018-07-23 13:41:48,845 INFO L357 BasicCegarLoop]: trace histogram [87, 1, 1, 1] [2018-07-23 13:41:48,845 INFO L414 AbstractCegarLoop]: === Iteration 88 === [ULTIMATE.startErr0AssertViolationASSERT]=== [2018-07-23 13:41:48,845 INFO L82 PathProgramCache]: Analyzing trace with hash 617786760, now seen corresponding path program 87 times [2018-07-23 13:41:48,845 INFO L69 tionRefinementEngine]: Using refinement strategy FixedRefinementStrategy [2018-07-23 13:41:48,856 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-07-23 13:41:49,100 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 13:41:49,101 INFO L309 seRefinementStrategy]: Constructing automaton from 0 perfect and 1 imperfect interpolant sequences. [2018-07-23 13:41:49,101 INFO L324 seRefinementStrategy]: Number of different interpolants: perfect sequences [] imperfect sequences [89] total 89 [2018-07-23 13:41:49,101 INFO L142 lantAutomatonBuilder]: Constructing canonical interpolant automaton, with selfloop in false state [2018-07-23 13:41:49,101 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2018-07-23 13:41:49,101 INFO L185 omatonBuilderFactory]: Interpolants [21120#(<= ULTIMATE.start_main_~x~4 118), 21121#(<= ULTIMATE.start_main_~x~4 120), 21122#(<= ULTIMATE.start_main_~x~4 122), 21123#(<= ULTIMATE.start_main_~x~4 124), 21124#(<= ULTIMATE.start_main_~x~4 126), 21125#(<= ULTIMATE.start_main_~x~4 128), 21126#(<= ULTIMATE.start_main_~x~4 130), 21127#(<= ULTIMATE.start_main_~x~4 132), 21128#(<= ULTIMATE.start_main_~x~4 134), 21129#(<= ULTIMATE.start_main_~x~4 136), 21130#(<= ULTIMATE.start_main_~x~4 138), 21131#(<= ULTIMATE.start_main_~x~4 140), 21132#(<= ULTIMATE.start_main_~x~4 142), 21133#(<= ULTIMATE.start_main_~x~4 144), 21134#(<= ULTIMATE.start_main_~x~4 146), 21135#(<= ULTIMATE.start_main_~x~4 148), 21136#(<= ULTIMATE.start_main_~x~4 150), 21137#(<= ULTIMATE.start_main_~x~4 152), 21138#(<= ULTIMATE.start_main_~x~4 154), 21139#(<= ULTIMATE.start_main_~x~4 156), 21140#(<= ULTIMATE.start_main_~x~4 158), 21141#(<= ULTIMATE.start_main_~x~4 160), 21142#(<= ULTIMATE.start_main_~x~4 162), 21143#(<= ULTIMATE.start_main_~x~4 164), 21144#(<= ULTIMATE.start_main_~x~4 166), 21145#(<= ULTIMATE.start_main_~x~4 168), 21146#(<= ULTIMATE.start_main_~x~4 170), 21147#(<= ULTIMATE.start_main_~x~4 172), 21148#(<= ULTIMATE.start_main_~x~4 174), 21149#(<= ULTIMATE.start_main_~x~4 176), 21150#(<= ULTIMATE.start_main_~x~4 178), 21151#(<= ULTIMATE.start_main_~x~4 180), 21152#(<= ULTIMATE.start_main_~x~4 182), 21153#(<= ULTIMATE.start_main_~x~4 184), 21064#true, 21065#false, 21066#(<= ULTIMATE.start_main_~x~4 10), 21067#(<= ULTIMATE.start_main_~x~4 12), 21068#(<= ULTIMATE.start_main_~x~4 14), 21069#(<= ULTIMATE.start_main_~x~4 16), 21070#(<= ULTIMATE.start_main_~x~4 18), 21071#(<= ULTIMATE.start_main_~x~4 20), 21072#(<= ULTIMATE.start_main_~x~4 22), 21073#(<= ULTIMATE.start_main_~x~4 24), 21074#(<= ULTIMATE.start_main_~x~4 26), 21075#(<= ULTIMATE.start_main_~x~4 28), 21076#(<= ULTIMATE.start_main_~x~4 30), 21077#(<= ULTIMATE.start_main_~x~4 32), 21078#(<= ULTIMATE.start_main_~x~4 34), 21079#(<= ULTIMATE.start_main_~x~4 36), 21080#(<= ULTIMATE.start_main_~x~4 38), 21081#(<= ULTIMATE.start_main_~x~4 40), 21082#(<= ULTIMATE.start_main_~x~4 42), 21083#(<= ULTIMATE.start_main_~x~4 44), 21084#(<= ULTIMATE.start_main_~x~4 46), 21085#(<= ULTIMATE.start_main_~x~4 48), 21086#(<= ULTIMATE.start_main_~x~4 50), 21087#(<= ULTIMATE.start_main_~x~4 52), 21088#(<= ULTIMATE.start_main_~x~4 54), 21089#(<= ULTIMATE.start_main_~x~4 56), 21090#(<= ULTIMATE.start_main_~x~4 58), 21091#(<= ULTIMATE.start_main_~x~4 60), 21092#(<= ULTIMATE.start_main_~x~4 62), 21093#(<= ULTIMATE.start_main_~x~4 64), 21094#(<= ULTIMATE.start_main_~x~4 66), 21095#(<= ULTIMATE.start_main_~x~4 68), 21096#(<= ULTIMATE.start_main_~x~4 70), 21097#(<= ULTIMATE.start_main_~x~4 72), 21098#(<= ULTIMATE.start_main_~x~4 74), 21099#(<= ULTIMATE.start_main_~x~4 76), 21100#(<= ULTIMATE.start_main_~x~4 78), 21101#(<= ULTIMATE.start_main_~x~4 80), 21102#(<= ULTIMATE.start_main_~x~4 82), 21103#(<= ULTIMATE.start_main_~x~4 84), 21104#(<= ULTIMATE.start_main_~x~4 86), 21105#(<= ULTIMATE.start_main_~x~4 88), 21106#(<= ULTIMATE.start_main_~x~4 90), 21107#(<= ULTIMATE.start_main_~x~4 92), 21108#(<= ULTIMATE.start_main_~x~4 94), 21109#(<= ULTIMATE.start_main_~x~4 96), 21110#(<= ULTIMATE.start_main_~x~4 98), 21111#(<= ULTIMATE.start_main_~x~4 100), 21112#(<= ULTIMATE.start_main_~x~4 102), 21113#(<= ULTIMATE.start_main_~x~4 104), 21114#(<= ULTIMATE.start_main_~x~4 106), 21115#(<= ULTIMATE.start_main_~x~4 108), 21116#(<= ULTIMATE.start_main_~x~4 110), 21117#(<= ULTIMATE.start_main_~x~4 112), 21118#(<= ULTIMATE.start_main_~x~4 114), 21119#(<= ULTIMATE.start_main_~x~4 116)] [2018-07-23 13:41:49,102 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 13:41:49,102 INFO L450 AbstractCegarLoop]: Interpolant automaton has 90 states [2018-07-23 13:41:49,103 INFO L132 InterpolantAutomaton]: Constructing interpolant automaton starting with 90 interpolants. [2018-07-23 13:41:49,103 INFO L133 InterpolantAutomaton]: CoverageRelationStatistics Valid=4005, Invalid=4005, Unknown=0, NotChecked=0, Total=8010 [2018-07-23 13:41:49,103 INFO L87 Difference]: Start difference. First operand 91 states and 91 transitions. Second operand 90 states. [2018-07-23 13:41:49,149 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2018-07-23 13:41:49,149 INFO L93 Difference]: Finished difference Result 94 states and 94 transitions. [2018-07-23 13:41:49,150 INFO L142 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 90 states. [2018-07-23 13:41:49,150 INFO L78 Accepts]: Start accepts. Automaton has 90 states. Word has length 90 [2018-07-23 13:41:49,150 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2018-07-23 13:41:49,151 INFO L225 Difference]: With dead ends: 94 [2018-07-23 13:41:49,151 INFO L226 Difference]: Without dead ends: 92 [2018-07-23 13:41:49,152 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 13:41:49,152 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 92 states. [2018-07-23 13:41:49,154 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 92 to 92. [2018-07-23 13:41:49,154 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 92 states. [2018-07-23 13:41:49,154 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 92 states to 92 states and 92 transitions. [2018-07-23 13:41:49,154 INFO L78 Accepts]: Start accepts. Automaton has 92 states and 92 transitions. Word has length 90 [2018-07-23 13:41:49,155 INFO L84 Accepts]: Finished accepts. word is rejected. [2018-07-23 13:41:49,155 INFO L471 AbstractCegarLoop]: Abstraction has 92 states and 92 transitions. [2018-07-23 13:41:49,155 INFO L472 AbstractCegarLoop]: Interpolant automaton has 90 states. [2018-07-23 13:41:49,155 INFO L276 IsEmpty]: Start isEmpty. Operand 92 states and 92 transitions. [2018-07-23 13:41:49,155 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 92 [2018-07-23 13:41:49,155 INFO L349 BasicCegarLoop]: Found error trace [2018-07-23 13:41:49,156 INFO L357 BasicCegarLoop]: trace histogram [88, 1, 1, 1] [2018-07-23 13:41:49,156 INFO L414 AbstractCegarLoop]: === Iteration 89 === [ULTIMATE.startErr0AssertViolationASSERT]=== [2018-07-23 13:41:49,156 INFO L82 PathProgramCache]: Analyzing trace with hash 1971518401, now seen corresponding path program 88 times [2018-07-23 13:41:49,156 INFO L69 tionRefinementEngine]: Using refinement strategy FixedRefinementStrategy [2018-07-23 13:41:49,167 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-07-23 13:41:49,467 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 13:41:49,467 INFO L309 seRefinementStrategy]: Constructing automaton from 0 perfect and 1 imperfect interpolant sequences. [2018-07-23 13:41:49,467 INFO L324 seRefinementStrategy]: Number of different interpolants: perfect sequences [] imperfect sequences [90] total 90 [2018-07-23 13:41:49,468 INFO L142 lantAutomatonBuilder]: Constructing canonical interpolant automaton, with selfloop in false state [2018-07-23 13:41:49,468 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2018-07-23 13:41:49,468 INFO L185 omatonBuilderFactory]: Interpolants [21526#true, 21527#false, 21528#(<= ULTIMATE.start_main_~x~4 10), 21529#(<= ULTIMATE.start_main_~x~4 12), 21530#(<= ULTIMATE.start_main_~x~4 14), 21531#(<= ULTIMATE.start_main_~x~4 16), 21532#(<= ULTIMATE.start_main_~x~4 18), 21533#(<= ULTIMATE.start_main_~x~4 20), 21534#(<= ULTIMATE.start_main_~x~4 22), 21535#(<= ULTIMATE.start_main_~x~4 24), 21536#(<= ULTIMATE.start_main_~x~4 26), 21537#(<= ULTIMATE.start_main_~x~4 28), 21538#(<= ULTIMATE.start_main_~x~4 30), 21539#(<= ULTIMATE.start_main_~x~4 32), 21540#(<= ULTIMATE.start_main_~x~4 34), 21541#(<= ULTIMATE.start_main_~x~4 36), 21542#(<= ULTIMATE.start_main_~x~4 38), 21543#(<= ULTIMATE.start_main_~x~4 40), 21544#(<= ULTIMATE.start_main_~x~4 42), 21545#(<= ULTIMATE.start_main_~x~4 44), 21546#(<= ULTIMATE.start_main_~x~4 46), 21547#(<= ULTIMATE.start_main_~x~4 48), 21548#(<= ULTIMATE.start_main_~x~4 50), 21549#(<= ULTIMATE.start_main_~x~4 52), 21550#(<= ULTIMATE.start_main_~x~4 54), 21551#(<= ULTIMATE.start_main_~x~4 56), 21552#(<= ULTIMATE.start_main_~x~4 58), 21553#(<= ULTIMATE.start_main_~x~4 60), 21554#(<= ULTIMATE.start_main_~x~4 62), 21555#(<= ULTIMATE.start_main_~x~4 64), 21556#(<= ULTIMATE.start_main_~x~4 66), 21557#(<= ULTIMATE.start_main_~x~4 68), 21558#(<= ULTIMATE.start_main_~x~4 70), 21559#(<= ULTIMATE.start_main_~x~4 72), 21560#(<= ULTIMATE.start_main_~x~4 74), 21561#(<= ULTIMATE.start_main_~x~4 76), 21562#(<= ULTIMATE.start_main_~x~4 78), 21563#(<= ULTIMATE.start_main_~x~4 80), 21564#(<= ULTIMATE.start_main_~x~4 82), 21565#(<= ULTIMATE.start_main_~x~4 84), 21566#(<= ULTIMATE.start_main_~x~4 86), 21567#(<= ULTIMATE.start_main_~x~4 88), 21568#(<= ULTIMATE.start_main_~x~4 90), 21569#(<= ULTIMATE.start_main_~x~4 92), 21570#(<= ULTIMATE.start_main_~x~4 94), 21571#(<= ULTIMATE.start_main_~x~4 96), 21572#(<= ULTIMATE.start_main_~x~4 98), 21573#(<= ULTIMATE.start_main_~x~4 100), 21574#(<= ULTIMATE.start_main_~x~4 102), 21575#(<= ULTIMATE.start_main_~x~4 104), 21576#(<= ULTIMATE.start_main_~x~4 106), 21577#(<= ULTIMATE.start_main_~x~4 108), 21578#(<= ULTIMATE.start_main_~x~4 110), 21579#(<= ULTIMATE.start_main_~x~4 112), 21580#(<= ULTIMATE.start_main_~x~4 114), 21581#(<= ULTIMATE.start_main_~x~4 116), 21582#(<= ULTIMATE.start_main_~x~4 118), 21583#(<= ULTIMATE.start_main_~x~4 120), 21584#(<= ULTIMATE.start_main_~x~4 122), 21585#(<= ULTIMATE.start_main_~x~4 124), 21586#(<= ULTIMATE.start_main_~x~4 126), 21587#(<= ULTIMATE.start_main_~x~4 128), 21588#(<= ULTIMATE.start_main_~x~4 130), 21589#(<= ULTIMATE.start_main_~x~4 132), 21590#(<= ULTIMATE.start_main_~x~4 134), 21591#(<= ULTIMATE.start_main_~x~4 136), 21592#(<= ULTIMATE.start_main_~x~4 138), 21593#(<= ULTIMATE.start_main_~x~4 140), 21594#(<= ULTIMATE.start_main_~x~4 142), 21595#(<= ULTIMATE.start_main_~x~4 144), 21596#(<= ULTIMATE.start_main_~x~4 146), 21597#(<= ULTIMATE.start_main_~x~4 148), 21598#(<= ULTIMATE.start_main_~x~4 150), 21599#(<= ULTIMATE.start_main_~x~4 152), 21600#(<= ULTIMATE.start_main_~x~4 154), 21601#(<= ULTIMATE.start_main_~x~4 156), 21602#(<= ULTIMATE.start_main_~x~4 158), 21603#(<= ULTIMATE.start_main_~x~4 160), 21604#(<= ULTIMATE.start_main_~x~4 162), 21605#(<= ULTIMATE.start_main_~x~4 164), 21606#(<= ULTIMATE.start_main_~x~4 166), 21607#(<= ULTIMATE.start_main_~x~4 168), 21608#(<= ULTIMATE.start_main_~x~4 170), 21609#(<= ULTIMATE.start_main_~x~4 172), 21610#(<= ULTIMATE.start_main_~x~4 174), 21611#(<= ULTIMATE.start_main_~x~4 176), 21612#(<= ULTIMATE.start_main_~x~4 178), 21613#(<= ULTIMATE.start_main_~x~4 180), 21614#(<= ULTIMATE.start_main_~x~4 182), 21615#(<= ULTIMATE.start_main_~x~4 184), 21616#(<= ULTIMATE.start_main_~x~4 186)] [2018-07-23 13:41:49,469 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 13:41:49,469 INFO L450 AbstractCegarLoop]: Interpolant automaton has 91 states [2018-07-23 13:41:49,470 INFO L132 InterpolantAutomaton]: Constructing interpolant automaton starting with 91 interpolants. [2018-07-23 13:41:49,471 INFO L133 InterpolantAutomaton]: CoverageRelationStatistics Valid=4095, Invalid=4095, Unknown=0, NotChecked=0, Total=8190 [2018-07-23 13:41:49,471 INFO L87 Difference]: Start difference. First operand 92 states and 92 transitions. Second operand 91 states. [2018-07-23 13:41:49,567 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2018-07-23 13:41:49,568 INFO L93 Difference]: Finished difference Result 95 states and 95 transitions. [2018-07-23 13:41:49,568 INFO L142 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 91 states. [2018-07-23 13:41:49,568 INFO L78 Accepts]: Start accepts. Automaton has 91 states. Word has length 91 [2018-07-23 13:41:49,568 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2018-07-23 13:41:49,569 INFO L225 Difference]: With dead ends: 95 [2018-07-23 13:41:49,569 INFO L226 Difference]: Without dead ends: 93 [2018-07-23 13:41:49,570 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 13:41:49,571 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 93 states. [2018-07-23 13:41:49,573 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 93 to 93. [2018-07-23 13:41:49,573 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 93 states. [2018-07-23 13:41:49,573 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 93 states to 93 states and 93 transitions. [2018-07-23 13:41:49,574 INFO L78 Accepts]: Start accepts. Automaton has 93 states and 93 transitions. Word has length 91 [2018-07-23 13:41:49,574 INFO L84 Accepts]: Finished accepts. word is rejected. [2018-07-23 13:41:49,574 INFO L471 AbstractCegarLoop]: Abstraction has 93 states and 93 transitions. [2018-07-23 13:41:49,574 INFO L472 AbstractCegarLoop]: Interpolant automaton has 91 states. [2018-07-23 13:41:49,574 INFO L276 IsEmpty]: Start isEmpty. Operand 93 states and 93 transitions. [2018-07-23 13:41:49,575 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 93 [2018-07-23 13:41:49,575 INFO L349 BasicCegarLoop]: Found error trace [2018-07-23 13:41:49,575 INFO L357 BasicCegarLoop]: trace histogram [89, 1, 1, 1] [2018-07-23 13:41:49,575 INFO L414 AbstractCegarLoop]: === Iteration 90 === [ULTIMATE.startErr0AssertViolationASSERT]=== [2018-07-23 13:41:49,575 INFO L82 PathProgramCache]: Analyzing trace with hash 987526312, now seen corresponding path program 89 times [2018-07-23 13:41:49,575 INFO L69 tionRefinementEngine]: Using refinement strategy FixedRefinementStrategy [2018-07-23 13:41:49,590 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-07-23 13:41:49,922 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 13:41:49,922 INFO L309 seRefinementStrategy]: Constructing automaton from 0 perfect and 1 imperfect interpolant sequences. [2018-07-23 13:41:49,923 INFO L324 seRefinementStrategy]: Number of different interpolants: perfect sequences [] imperfect sequences [91] total 91 [2018-07-23 13:41:49,923 INFO L142 lantAutomatonBuilder]: Constructing canonical interpolant automaton, with selfloop in false state [2018-07-23 13:41:49,923 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2018-07-23 13:41:49,924 INFO L185 omatonBuilderFactory]: Interpolants [22016#(<= ULTIMATE.start_main_~x~4 52), 22017#(<= ULTIMATE.start_main_~x~4 54), 22018#(<= ULTIMATE.start_main_~x~4 56), 22019#(<= ULTIMATE.start_main_~x~4 58), 22020#(<= ULTIMATE.start_main_~x~4 60), 22021#(<= ULTIMATE.start_main_~x~4 62), 22022#(<= ULTIMATE.start_main_~x~4 64), 22023#(<= ULTIMATE.start_main_~x~4 66), 22024#(<= ULTIMATE.start_main_~x~4 68), 22025#(<= ULTIMATE.start_main_~x~4 70), 22026#(<= ULTIMATE.start_main_~x~4 72), 22027#(<= ULTIMATE.start_main_~x~4 74), 22028#(<= ULTIMATE.start_main_~x~4 76), 22029#(<= ULTIMATE.start_main_~x~4 78), 22030#(<= ULTIMATE.start_main_~x~4 80), 22031#(<= ULTIMATE.start_main_~x~4 82), 22032#(<= ULTIMATE.start_main_~x~4 84), 22033#(<= ULTIMATE.start_main_~x~4 86), 22034#(<= ULTIMATE.start_main_~x~4 88), 22035#(<= ULTIMATE.start_main_~x~4 90), 22036#(<= ULTIMATE.start_main_~x~4 92), 22037#(<= ULTIMATE.start_main_~x~4 94), 22038#(<= ULTIMATE.start_main_~x~4 96), 22039#(<= ULTIMATE.start_main_~x~4 98), 22040#(<= ULTIMATE.start_main_~x~4 100), 22041#(<= ULTIMATE.start_main_~x~4 102), 22042#(<= ULTIMATE.start_main_~x~4 104), 22043#(<= ULTIMATE.start_main_~x~4 106), 22044#(<= ULTIMATE.start_main_~x~4 108), 22045#(<= ULTIMATE.start_main_~x~4 110), 22046#(<= ULTIMATE.start_main_~x~4 112), 22047#(<= ULTIMATE.start_main_~x~4 114), 22048#(<= ULTIMATE.start_main_~x~4 116), 22049#(<= ULTIMATE.start_main_~x~4 118), 22050#(<= ULTIMATE.start_main_~x~4 120), 22051#(<= ULTIMATE.start_main_~x~4 122), 22052#(<= ULTIMATE.start_main_~x~4 124), 22053#(<= ULTIMATE.start_main_~x~4 126), 22054#(<= ULTIMATE.start_main_~x~4 128), 22055#(<= ULTIMATE.start_main_~x~4 130), 22056#(<= ULTIMATE.start_main_~x~4 132), 22057#(<= ULTIMATE.start_main_~x~4 134), 22058#(<= ULTIMATE.start_main_~x~4 136), 22059#(<= ULTIMATE.start_main_~x~4 138), 22060#(<= ULTIMATE.start_main_~x~4 140), 22061#(<= ULTIMATE.start_main_~x~4 142), 22062#(<= ULTIMATE.start_main_~x~4 144), 22063#(<= ULTIMATE.start_main_~x~4 146), 22064#(<= ULTIMATE.start_main_~x~4 148), 22065#(<= ULTIMATE.start_main_~x~4 150), 22066#(<= ULTIMATE.start_main_~x~4 152), 22067#(<= ULTIMATE.start_main_~x~4 154), 22068#(<= ULTIMATE.start_main_~x~4 156), 22069#(<= ULTIMATE.start_main_~x~4 158), 22070#(<= ULTIMATE.start_main_~x~4 160), 22071#(<= ULTIMATE.start_main_~x~4 162), 22072#(<= ULTIMATE.start_main_~x~4 164), 22073#(<= ULTIMATE.start_main_~x~4 166), 22074#(<= ULTIMATE.start_main_~x~4 168), 22075#(<= ULTIMATE.start_main_~x~4 170), 22076#(<= ULTIMATE.start_main_~x~4 172), 22077#(<= ULTIMATE.start_main_~x~4 174), 22078#(<= ULTIMATE.start_main_~x~4 176), 22079#(<= ULTIMATE.start_main_~x~4 178), 22080#(<= ULTIMATE.start_main_~x~4 180), 22081#(<= ULTIMATE.start_main_~x~4 182), 22082#(<= ULTIMATE.start_main_~x~4 184), 22083#(<= ULTIMATE.start_main_~x~4 186), 22084#(<= ULTIMATE.start_main_~x~4 188), 21993#true, 21994#false, 21995#(<= ULTIMATE.start_main_~x~4 10), 21996#(<= ULTIMATE.start_main_~x~4 12), 21997#(<= ULTIMATE.start_main_~x~4 14), 21998#(<= ULTIMATE.start_main_~x~4 16), 21999#(<= ULTIMATE.start_main_~x~4 18), 22000#(<= ULTIMATE.start_main_~x~4 20), 22001#(<= ULTIMATE.start_main_~x~4 22), 22002#(<= ULTIMATE.start_main_~x~4 24), 22003#(<= ULTIMATE.start_main_~x~4 26), 22004#(<= ULTIMATE.start_main_~x~4 28), 22005#(<= ULTIMATE.start_main_~x~4 30), 22006#(<= ULTIMATE.start_main_~x~4 32), 22007#(<= ULTIMATE.start_main_~x~4 34), 22008#(<= ULTIMATE.start_main_~x~4 36), 22009#(<= ULTIMATE.start_main_~x~4 38), 22010#(<= ULTIMATE.start_main_~x~4 40), 22011#(<= ULTIMATE.start_main_~x~4 42), 22012#(<= ULTIMATE.start_main_~x~4 44), 22013#(<= ULTIMATE.start_main_~x~4 46), 22014#(<= ULTIMATE.start_main_~x~4 48), 22015#(<= ULTIMATE.start_main_~x~4 50)] [2018-07-23 13:41:49,924 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 13:41:49,924 INFO L450 AbstractCegarLoop]: Interpolant automaton has 92 states [2018-07-23 13:41:49,925 INFO L132 InterpolantAutomaton]: Constructing interpolant automaton starting with 92 interpolants. [2018-07-23 13:41:49,926 INFO L133 InterpolantAutomaton]: CoverageRelationStatistics Valid=4186, Invalid=4186, Unknown=0, NotChecked=0, Total=8372 [2018-07-23 13:41:49,926 INFO L87 Difference]: Start difference. First operand 93 states and 93 transitions. Second operand 92 states. [2018-07-23 13:41:50,034 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2018-07-23 13:41:50,034 INFO L93 Difference]: Finished difference Result 96 states and 96 transitions. [2018-07-23 13:41:50,035 INFO L142 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 92 states. [2018-07-23 13:41:50,035 INFO L78 Accepts]: Start accepts. Automaton has 92 states. Word has length 92 [2018-07-23 13:41:50,035 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2018-07-23 13:41:50,036 INFO L225 Difference]: With dead ends: 96 [2018-07-23 13:41:50,036 INFO L226 Difference]: Without dead ends: 94 [2018-07-23 13:41:50,037 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 13:41:50,037 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 94 states. [2018-07-23 13:41:50,040 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 94 to 94. [2018-07-23 13:41:50,040 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 94 states. [2018-07-23 13:41:50,041 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 94 states to 94 states and 94 transitions. [2018-07-23 13:41:50,041 INFO L78 Accepts]: Start accepts. Automaton has 94 states and 94 transitions. Word has length 92 [2018-07-23 13:41:50,041 INFO L84 Accepts]: Finished accepts. word is rejected. [2018-07-23 13:41:50,041 INFO L471 AbstractCegarLoop]: Abstraction has 94 states and 94 transitions. [2018-07-23 13:41:50,042 INFO L472 AbstractCegarLoop]: Interpolant automaton has 92 states. [2018-07-23 13:41:50,042 INFO L276 IsEmpty]: Start isEmpty. Operand 94 states and 94 transitions. [2018-07-23 13:41:50,042 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 94 [2018-07-23 13:41:50,042 INFO L349 BasicCegarLoop]: Found error trace [2018-07-23 13:41:50,043 INFO L357 BasicCegarLoop]: trace histogram [90, 1, 1, 1] [2018-07-23 13:41:50,043 INFO L414 AbstractCegarLoop]: === Iteration 91 === [ULTIMATE.startErr0AssertViolationASSERT]=== [2018-07-23 13:41:50,043 INFO L82 PathProgramCache]: Analyzing trace with hash 548542625, now seen corresponding path program 90 times [2018-07-23 13:41:50,043 INFO L69 tionRefinementEngine]: Using refinement strategy FixedRefinementStrategy [2018-07-23 13:41:50,054 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-07-23 13:41:50,375 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 13:41:50,375 INFO L309 seRefinementStrategy]: Constructing automaton from 0 perfect and 1 imperfect interpolant sequences. [2018-07-23 13:41:50,376 INFO L324 seRefinementStrategy]: Number of different interpolants: perfect sequences [] imperfect sequences [92] total 92 [2018-07-23 13:41:50,376 INFO L142 lantAutomatonBuilder]: Constructing canonical interpolant automaton, with selfloop in false state [2018-07-23 13:41:50,376 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2018-07-23 13:41:50,376 INFO L185 omatonBuilderFactory]: Interpolants [22528#(<= ULTIMATE.start_main_~x~4 132), 22529#(<= ULTIMATE.start_main_~x~4 134), 22530#(<= ULTIMATE.start_main_~x~4 136), 22531#(<= ULTIMATE.start_main_~x~4 138), 22532#(<= ULTIMATE.start_main_~x~4 140), 22533#(<= ULTIMATE.start_main_~x~4 142), 22534#(<= ULTIMATE.start_main_~x~4 144), 22535#(<= ULTIMATE.start_main_~x~4 146), 22536#(<= ULTIMATE.start_main_~x~4 148), 22537#(<= ULTIMATE.start_main_~x~4 150), 22538#(<= ULTIMATE.start_main_~x~4 152), 22539#(<= ULTIMATE.start_main_~x~4 154), 22540#(<= ULTIMATE.start_main_~x~4 156), 22541#(<= ULTIMATE.start_main_~x~4 158), 22542#(<= ULTIMATE.start_main_~x~4 160), 22543#(<= ULTIMATE.start_main_~x~4 162), 22544#(<= ULTIMATE.start_main_~x~4 164), 22545#(<= ULTIMATE.start_main_~x~4 166), 22546#(<= ULTIMATE.start_main_~x~4 168), 22547#(<= ULTIMATE.start_main_~x~4 170), 22548#(<= ULTIMATE.start_main_~x~4 172), 22549#(<= ULTIMATE.start_main_~x~4 174), 22550#(<= ULTIMATE.start_main_~x~4 176), 22551#(<= ULTIMATE.start_main_~x~4 178), 22552#(<= ULTIMATE.start_main_~x~4 180), 22553#(<= ULTIMATE.start_main_~x~4 182), 22554#(<= ULTIMATE.start_main_~x~4 184), 22555#(<= ULTIMATE.start_main_~x~4 186), 22556#(<= ULTIMATE.start_main_~x~4 188), 22557#(<= ULTIMATE.start_main_~x~4 190), 22465#true, 22466#false, 22467#(<= ULTIMATE.start_main_~x~4 10), 22468#(<= ULTIMATE.start_main_~x~4 12), 22469#(<= ULTIMATE.start_main_~x~4 14), 22470#(<= ULTIMATE.start_main_~x~4 16), 22471#(<= ULTIMATE.start_main_~x~4 18), 22472#(<= ULTIMATE.start_main_~x~4 20), 22473#(<= ULTIMATE.start_main_~x~4 22), 22474#(<= ULTIMATE.start_main_~x~4 24), 22475#(<= ULTIMATE.start_main_~x~4 26), 22476#(<= ULTIMATE.start_main_~x~4 28), 22477#(<= ULTIMATE.start_main_~x~4 30), 22478#(<= ULTIMATE.start_main_~x~4 32), 22479#(<= ULTIMATE.start_main_~x~4 34), 22480#(<= ULTIMATE.start_main_~x~4 36), 22481#(<= ULTIMATE.start_main_~x~4 38), 22482#(<= ULTIMATE.start_main_~x~4 40), 22483#(<= ULTIMATE.start_main_~x~4 42), 22484#(<= ULTIMATE.start_main_~x~4 44), 22485#(<= ULTIMATE.start_main_~x~4 46), 22486#(<= ULTIMATE.start_main_~x~4 48), 22487#(<= ULTIMATE.start_main_~x~4 50), 22488#(<= ULTIMATE.start_main_~x~4 52), 22489#(<= ULTIMATE.start_main_~x~4 54), 22490#(<= ULTIMATE.start_main_~x~4 56), 22491#(<= ULTIMATE.start_main_~x~4 58), 22492#(<= ULTIMATE.start_main_~x~4 60), 22493#(<= ULTIMATE.start_main_~x~4 62), 22494#(<= ULTIMATE.start_main_~x~4 64), 22495#(<= ULTIMATE.start_main_~x~4 66), 22496#(<= ULTIMATE.start_main_~x~4 68), 22497#(<= ULTIMATE.start_main_~x~4 70), 22498#(<= ULTIMATE.start_main_~x~4 72), 22499#(<= ULTIMATE.start_main_~x~4 74), 22500#(<= ULTIMATE.start_main_~x~4 76), 22501#(<= ULTIMATE.start_main_~x~4 78), 22502#(<= ULTIMATE.start_main_~x~4 80), 22503#(<= ULTIMATE.start_main_~x~4 82), 22504#(<= ULTIMATE.start_main_~x~4 84), 22505#(<= ULTIMATE.start_main_~x~4 86), 22506#(<= ULTIMATE.start_main_~x~4 88), 22507#(<= ULTIMATE.start_main_~x~4 90), 22508#(<= ULTIMATE.start_main_~x~4 92), 22509#(<= ULTIMATE.start_main_~x~4 94), 22510#(<= ULTIMATE.start_main_~x~4 96), 22511#(<= ULTIMATE.start_main_~x~4 98), 22512#(<= ULTIMATE.start_main_~x~4 100), 22513#(<= ULTIMATE.start_main_~x~4 102), 22514#(<= ULTIMATE.start_main_~x~4 104), 22515#(<= ULTIMATE.start_main_~x~4 106), 22516#(<= ULTIMATE.start_main_~x~4 108), 22517#(<= ULTIMATE.start_main_~x~4 110), 22518#(<= ULTIMATE.start_main_~x~4 112), 22519#(<= ULTIMATE.start_main_~x~4 114), 22520#(<= ULTIMATE.start_main_~x~4 116), 22521#(<= ULTIMATE.start_main_~x~4 118), 22522#(<= ULTIMATE.start_main_~x~4 120), 22523#(<= ULTIMATE.start_main_~x~4 122), 22524#(<= ULTIMATE.start_main_~x~4 124), 22525#(<= ULTIMATE.start_main_~x~4 126), 22526#(<= ULTIMATE.start_main_~x~4 128), 22527#(<= ULTIMATE.start_main_~x~4 130)] [2018-07-23 13:41:50,377 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 13:41:50,377 INFO L450 AbstractCegarLoop]: Interpolant automaton has 93 states [2018-07-23 13:41:50,378 INFO L132 InterpolantAutomaton]: Constructing interpolant automaton starting with 93 interpolants. [2018-07-23 13:41:50,378 INFO L133 InterpolantAutomaton]: CoverageRelationStatistics Valid=4278, Invalid=4278, Unknown=0, NotChecked=0, Total=8556 [2018-07-23 13:41:50,379 INFO L87 Difference]: Start difference. First operand 94 states and 94 transitions. Second operand 93 states. [2018-07-23 13:41:50,448 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2018-07-23 13:41:50,449 INFO L93 Difference]: Finished difference Result 97 states and 97 transitions. [2018-07-23 13:41:50,449 INFO L142 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 93 states. [2018-07-23 13:41:50,449 INFO L78 Accepts]: Start accepts. Automaton has 93 states. Word has length 93 [2018-07-23 13:41:50,449 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2018-07-23 13:41:50,450 INFO L225 Difference]: With dead ends: 97 [2018-07-23 13:41:50,450 INFO L226 Difference]: Without dead ends: 95 [2018-07-23 13:41:50,451 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 13:41:50,451 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 95 states. [2018-07-23 13:41:50,453 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 95 to 95. [2018-07-23 13:41:50,453 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 95 states. [2018-07-23 13:41:50,454 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 95 states to 95 states and 95 transitions. [2018-07-23 13:41:50,454 INFO L78 Accepts]: Start accepts. Automaton has 95 states and 95 transitions. Word has length 93 [2018-07-23 13:41:50,454 INFO L84 Accepts]: Finished accepts. word is rejected. [2018-07-23 13:41:50,454 INFO L471 AbstractCegarLoop]: Abstraction has 95 states and 95 transitions. [2018-07-23 13:41:50,454 INFO L472 AbstractCegarLoop]: Interpolant automaton has 93 states. [2018-07-23 13:41:50,454 INFO L276 IsEmpty]: Start isEmpty. Operand 95 states and 95 transitions. [2018-07-23 13:41:50,455 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 95 [2018-07-23 13:41:50,455 INFO L349 BasicCegarLoop]: Found error trace [2018-07-23 13:41:50,455 INFO L357 BasicCegarLoop]: trace histogram [91, 1, 1, 1] [2018-07-23 13:41:50,455 INFO L414 AbstractCegarLoop]: === Iteration 92 === [ULTIMATE.startErr0AssertViolationASSERT]=== [2018-07-23 13:41:50,456 INFO L82 PathProgramCache]: Analyzing trace with hash -175049784, now seen corresponding path program 91 times [2018-07-23 13:41:50,456 INFO L69 tionRefinementEngine]: Using refinement strategy FixedRefinementStrategy [2018-07-23 13:41:50,466 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-07-23 13:41:50,748 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 13:41:50,748 INFO L309 seRefinementStrategy]: Constructing automaton from 0 perfect and 1 imperfect interpolant sequences. [2018-07-23 13:41:50,749 INFO L324 seRefinementStrategy]: Number of different interpolants: perfect sequences [] imperfect sequences [93] total 93 [2018-07-23 13:41:50,749 INFO L142 lantAutomatonBuilder]: Constructing canonical interpolant automaton, with selfloop in false state [2018-07-23 13:41:50,749 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 13:41:50,749 INFO L185 omatonBuilderFactory]: Interpolants [22942#true, 22943#false, 22944#(<= ULTIMATE.start_main_~x~4 10), 22945#(<= ULTIMATE.start_main_~x~4 12), 22946#(<= ULTIMATE.start_main_~x~4 14), 22947#(<= ULTIMATE.start_main_~x~4 16), 22948#(<= ULTIMATE.start_main_~x~4 18), 22949#(<= ULTIMATE.start_main_~x~4 20), 22950#(<= ULTIMATE.start_main_~x~4 22), 22951#(<= ULTIMATE.start_main_~x~4 24), 22952#(<= ULTIMATE.start_main_~x~4 26), 22953#(<= ULTIMATE.start_main_~x~4 28), 22954#(<= ULTIMATE.start_main_~x~4 30), 22955#(<= ULTIMATE.start_main_~x~4 32), 22956#(<= ULTIMATE.start_main_~x~4 34), 22957#(<= ULTIMATE.start_main_~x~4 36), 22958#(<= ULTIMATE.start_main_~x~4 38), 22959#(<= ULTIMATE.start_main_~x~4 40), 22960#(<= ULTIMATE.start_main_~x~4 42), 22961#(<= ULTIMATE.start_main_~x~4 44), 22962#(<= ULTIMATE.start_main_~x~4 46), 22963#(<= ULTIMATE.start_main_~x~4 48), 22964#(<= ULTIMATE.start_main_~x~4 50), 22965#(<= ULTIMATE.start_main_~x~4 52), 22966#(<= ULTIMATE.start_main_~x~4 54), 22967#(<= ULTIMATE.start_main_~x~4 56), 22968#(<= ULTIMATE.start_main_~x~4 58), 22969#(<= ULTIMATE.start_main_~x~4 60), 22970#(<= ULTIMATE.start_main_~x~4 62), 22971#(<= ULTIMATE.start_main_~x~4 64), 22972#(<= ULTIMATE.start_main_~x~4 66), 22973#(<= ULTIMATE.start_main_~x~4 68), 22974#(<= ULTIMATE.start_main_~x~4 70), 22975#(<= ULTIMATE.start_main_~x~4 72), 22976#(<= ULTIMATE.start_main_~x~4 74), 22977#(<= ULTIMATE.start_main_~x~4 76), 22978#(<= ULTIMATE.start_main_~x~4 78), 22979#(<= ULTIMATE.start_main_~x~4 80), 22980#(<= ULTIMATE.start_main_~x~4 82), 22981#(<= ULTIMATE.start_main_~x~4 84), 22982#(<= ULTIMATE.start_main_~x~4 86), 22983#(<= ULTIMATE.start_main_~x~4 88), 22984#(<= ULTIMATE.start_main_~x~4 90), 22985#(<= ULTIMATE.start_main_~x~4 92), 22986#(<= ULTIMATE.start_main_~x~4 94), 22987#(<= ULTIMATE.start_main_~x~4 96), 22988#(<= ULTIMATE.start_main_~x~4 98), 22989#(<= ULTIMATE.start_main_~x~4 100), 22990#(<= ULTIMATE.start_main_~x~4 102), 22991#(<= ULTIMATE.start_main_~x~4 104), 22992#(<= ULTIMATE.start_main_~x~4 106), 22993#(<= ULTIMATE.start_main_~x~4 108), 22994#(<= ULTIMATE.start_main_~x~4 110), 22995#(<= ULTIMATE.start_main_~x~4 112), 22996#(<= ULTIMATE.start_main_~x~4 114), 22997#(<= ULTIMATE.start_main_~x~4 116), 22998#(<= ULTIMATE.start_main_~x~4 118), 22999#(<= ULTIMATE.start_main_~x~4 120), 23000#(<= ULTIMATE.start_main_~x~4 122), 23001#(<= ULTIMATE.start_main_~x~4 124), 23002#(<= ULTIMATE.start_main_~x~4 126), 23003#(<= ULTIMATE.start_main_~x~4 128), 23004#(<= ULTIMATE.start_main_~x~4 130), 23005#(<= ULTIMATE.start_main_~x~4 132), 23006#(<= ULTIMATE.start_main_~x~4 134), 23007#(<= ULTIMATE.start_main_~x~4 136), 23008#(<= ULTIMATE.start_main_~x~4 138), 23009#(<= ULTIMATE.start_main_~x~4 140), 23010#(<= ULTIMATE.start_main_~x~4 142), 23011#(<= ULTIMATE.start_main_~x~4 144), 23012#(<= ULTIMATE.start_main_~x~4 146), 23013#(<= ULTIMATE.start_main_~x~4 148), 23014#(<= ULTIMATE.start_main_~x~4 150), 23015#(<= ULTIMATE.start_main_~x~4 152), 23016#(<= ULTIMATE.start_main_~x~4 154), 23017#(<= ULTIMATE.start_main_~x~4 156), 23018#(<= ULTIMATE.start_main_~x~4 158), 23019#(<= ULTIMATE.start_main_~x~4 160), 23020#(<= ULTIMATE.start_main_~x~4 162), 23021#(<= ULTIMATE.start_main_~x~4 164), 23022#(<= ULTIMATE.start_main_~x~4 166), 23023#(<= ULTIMATE.start_main_~x~4 168), 23024#(<= ULTIMATE.start_main_~x~4 170), 23025#(<= ULTIMATE.start_main_~x~4 172), 23026#(<= ULTIMATE.start_main_~x~4 174), 23027#(<= ULTIMATE.start_main_~x~4 176), 23028#(<= ULTIMATE.start_main_~x~4 178), 23029#(<= ULTIMATE.start_main_~x~4 180), 23030#(<= ULTIMATE.start_main_~x~4 182), 23031#(<= ULTIMATE.start_main_~x~4 184), 23032#(<= ULTIMATE.start_main_~x~4 186), 23033#(<= ULTIMATE.start_main_~x~4 188), 23034#(<= ULTIMATE.start_main_~x~4 190), 23035#(<= ULTIMATE.start_main_~x~4 192)] [2018-07-23 13:41:50,750 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 13:41:50,750 INFO L450 AbstractCegarLoop]: Interpolant automaton has 94 states [2018-07-23 13:41:50,751 INFO L132 InterpolantAutomaton]: Constructing interpolant automaton starting with 94 interpolants. [2018-07-23 13:41:50,752 INFO L133 InterpolantAutomaton]: CoverageRelationStatistics Valid=4371, Invalid=4371, Unknown=0, NotChecked=0, Total=8742 [2018-07-23 13:41:50,752 INFO L87 Difference]: Start difference. First operand 95 states and 95 transitions. Second operand 94 states. [2018-07-23 13:41:50,845 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2018-07-23 13:41:50,845 INFO L93 Difference]: Finished difference Result 98 states and 98 transitions. [2018-07-23 13:41:50,845 INFO L142 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 94 states. [2018-07-23 13:41:50,846 INFO L78 Accepts]: Start accepts. Automaton has 94 states. Word has length 94 [2018-07-23 13:41:50,846 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2018-07-23 13:41:50,847 INFO L225 Difference]: With dead ends: 98 [2018-07-23 13:41:50,847 INFO L226 Difference]: Without dead ends: 96 [2018-07-23 13:41:50,848 INFO L575 BasicCegarLoop]: 0 DeclaredPredicates, 93 GetRequests, 1 SyntacticMatches, 0 SemanticMatches, 92 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 0 ImplicationChecksByTransitivity, 0.2s TimeCoverageRelationStatistics Valid=4371, Invalid=4371, Unknown=0, NotChecked=0, Total=8742 [2018-07-23 13:41:50,848 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 96 states. [2018-07-23 13:41:50,850 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 96 to 96. [2018-07-23 13:41:50,850 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 96 states. [2018-07-23 13:41:50,851 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 96 states to 96 states and 96 transitions. [2018-07-23 13:41:50,851 INFO L78 Accepts]: Start accepts. Automaton has 96 states and 96 transitions. Word has length 94 [2018-07-23 13:41:50,851 INFO L84 Accepts]: Finished accepts. word is rejected. [2018-07-23 13:41:50,851 INFO L471 AbstractCegarLoop]: Abstraction has 96 states and 96 transitions. [2018-07-23 13:41:50,851 INFO L472 AbstractCegarLoop]: Interpolant automaton has 94 states. [2018-07-23 13:41:50,851 INFO L276 IsEmpty]: Start isEmpty. Operand 96 states and 96 transitions. [2018-07-23 13:41:50,852 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 96 [2018-07-23 13:41:50,852 INFO L349 BasicCegarLoop]: Found error trace [2018-07-23 13:41:50,852 INFO L357 BasicCegarLoop]: trace histogram [92, 1, 1, 1] [2018-07-23 13:41:50,852 INFO L414 AbstractCegarLoop]: === Iteration 93 === [ULTIMATE.startErr0AssertViolationASSERT]=== [2018-07-23 13:41:50,852 INFO L82 PathProgramCache]: Analyzing trace with hash -1131577983, now seen corresponding path program 92 times [2018-07-23 13:41:50,852 INFO L69 tionRefinementEngine]: Using refinement strategy FixedRefinementStrategy [2018-07-23 13:41:50,861 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-07-23 13:41:51,119 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 13:41:51,119 INFO L309 seRefinementStrategy]: Constructing automaton from 0 perfect and 1 imperfect interpolant sequences. [2018-07-23 13:41:51,120 INFO L324 seRefinementStrategy]: Number of different interpolants: perfect sequences [] imperfect sequences [94] total 94 [2018-07-23 13:41:51,120 INFO L142 lantAutomatonBuilder]: Constructing canonical interpolant automaton, with selfloop in false state [2018-07-23 13:41:51,120 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2018-07-23 13:41:51,120 INFO L185 omatonBuilderFactory]: Interpolants [23424#true, 23425#false, 23426#(<= ULTIMATE.start_main_~x~4 10), 23427#(<= ULTIMATE.start_main_~x~4 12), 23428#(<= ULTIMATE.start_main_~x~4 14), 23429#(<= ULTIMATE.start_main_~x~4 16), 23430#(<= ULTIMATE.start_main_~x~4 18), 23431#(<= ULTIMATE.start_main_~x~4 20), 23432#(<= ULTIMATE.start_main_~x~4 22), 23433#(<= ULTIMATE.start_main_~x~4 24), 23434#(<= ULTIMATE.start_main_~x~4 26), 23435#(<= ULTIMATE.start_main_~x~4 28), 23436#(<= ULTIMATE.start_main_~x~4 30), 23437#(<= ULTIMATE.start_main_~x~4 32), 23438#(<= ULTIMATE.start_main_~x~4 34), 23439#(<= ULTIMATE.start_main_~x~4 36), 23440#(<= ULTIMATE.start_main_~x~4 38), 23441#(<= ULTIMATE.start_main_~x~4 40), 23442#(<= ULTIMATE.start_main_~x~4 42), 23443#(<= ULTIMATE.start_main_~x~4 44), 23444#(<= ULTIMATE.start_main_~x~4 46), 23445#(<= ULTIMATE.start_main_~x~4 48), 23446#(<= ULTIMATE.start_main_~x~4 50), 23447#(<= ULTIMATE.start_main_~x~4 52), 23448#(<= ULTIMATE.start_main_~x~4 54), 23449#(<= ULTIMATE.start_main_~x~4 56), 23450#(<= ULTIMATE.start_main_~x~4 58), 23451#(<= ULTIMATE.start_main_~x~4 60), 23452#(<= ULTIMATE.start_main_~x~4 62), 23453#(<= ULTIMATE.start_main_~x~4 64), 23454#(<= ULTIMATE.start_main_~x~4 66), 23455#(<= ULTIMATE.start_main_~x~4 68), 23456#(<= ULTIMATE.start_main_~x~4 70), 23457#(<= ULTIMATE.start_main_~x~4 72), 23458#(<= ULTIMATE.start_main_~x~4 74), 23459#(<= ULTIMATE.start_main_~x~4 76), 23460#(<= ULTIMATE.start_main_~x~4 78), 23461#(<= ULTIMATE.start_main_~x~4 80), 23462#(<= ULTIMATE.start_main_~x~4 82), 23463#(<= ULTIMATE.start_main_~x~4 84), 23464#(<= ULTIMATE.start_main_~x~4 86), 23465#(<= ULTIMATE.start_main_~x~4 88), 23466#(<= ULTIMATE.start_main_~x~4 90), 23467#(<= ULTIMATE.start_main_~x~4 92), 23468#(<= ULTIMATE.start_main_~x~4 94), 23469#(<= ULTIMATE.start_main_~x~4 96), 23470#(<= ULTIMATE.start_main_~x~4 98), 23471#(<= ULTIMATE.start_main_~x~4 100), 23472#(<= ULTIMATE.start_main_~x~4 102), 23473#(<= ULTIMATE.start_main_~x~4 104), 23474#(<= ULTIMATE.start_main_~x~4 106), 23475#(<= ULTIMATE.start_main_~x~4 108), 23476#(<= ULTIMATE.start_main_~x~4 110), 23477#(<= ULTIMATE.start_main_~x~4 112), 23478#(<= ULTIMATE.start_main_~x~4 114), 23479#(<= ULTIMATE.start_main_~x~4 116), 23480#(<= ULTIMATE.start_main_~x~4 118), 23481#(<= ULTIMATE.start_main_~x~4 120), 23482#(<= ULTIMATE.start_main_~x~4 122), 23483#(<= ULTIMATE.start_main_~x~4 124), 23484#(<= ULTIMATE.start_main_~x~4 126), 23485#(<= ULTIMATE.start_main_~x~4 128), 23486#(<= ULTIMATE.start_main_~x~4 130), 23487#(<= ULTIMATE.start_main_~x~4 132), 23488#(<= ULTIMATE.start_main_~x~4 134), 23489#(<= ULTIMATE.start_main_~x~4 136), 23490#(<= ULTIMATE.start_main_~x~4 138), 23491#(<= ULTIMATE.start_main_~x~4 140), 23492#(<= ULTIMATE.start_main_~x~4 142), 23493#(<= ULTIMATE.start_main_~x~4 144), 23494#(<= ULTIMATE.start_main_~x~4 146), 23495#(<= ULTIMATE.start_main_~x~4 148), 23496#(<= ULTIMATE.start_main_~x~4 150), 23497#(<= ULTIMATE.start_main_~x~4 152), 23498#(<= ULTIMATE.start_main_~x~4 154), 23499#(<= ULTIMATE.start_main_~x~4 156), 23500#(<= ULTIMATE.start_main_~x~4 158), 23501#(<= ULTIMATE.start_main_~x~4 160), 23502#(<= ULTIMATE.start_main_~x~4 162), 23503#(<= ULTIMATE.start_main_~x~4 164), 23504#(<= ULTIMATE.start_main_~x~4 166), 23505#(<= ULTIMATE.start_main_~x~4 168), 23506#(<= ULTIMATE.start_main_~x~4 170), 23507#(<= ULTIMATE.start_main_~x~4 172), 23508#(<= ULTIMATE.start_main_~x~4 174), 23509#(<= ULTIMATE.start_main_~x~4 176), 23510#(<= ULTIMATE.start_main_~x~4 178), 23511#(<= ULTIMATE.start_main_~x~4 180), 23512#(<= ULTIMATE.start_main_~x~4 182), 23513#(<= ULTIMATE.start_main_~x~4 184), 23514#(<= ULTIMATE.start_main_~x~4 186), 23515#(<= ULTIMATE.start_main_~x~4 188), 23516#(<= ULTIMATE.start_main_~x~4 190), 23517#(<= ULTIMATE.start_main_~x~4 192), 23518#(<= ULTIMATE.start_main_~x~4 194)] [2018-07-23 13:41:51,121 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 13:41:51,121 INFO L450 AbstractCegarLoop]: Interpolant automaton has 95 states [2018-07-23 13:41:51,122 INFO L132 InterpolantAutomaton]: Constructing interpolant automaton starting with 95 interpolants. [2018-07-23 13:41:51,122 INFO L133 InterpolantAutomaton]: CoverageRelationStatistics Valid=4465, Invalid=4465, Unknown=0, NotChecked=0, Total=8930 [2018-07-23 13:41:51,122 INFO L87 Difference]: Start difference. First operand 96 states and 96 transitions. Second operand 95 states. [2018-07-23 13:41:51,217 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2018-07-23 13:41:51,217 INFO L93 Difference]: Finished difference Result 99 states and 99 transitions. [2018-07-23 13:41:51,217 INFO L142 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 95 states. [2018-07-23 13:41:51,217 INFO L78 Accepts]: Start accepts. Automaton has 95 states. Word has length 95 [2018-07-23 13:41:51,218 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2018-07-23 13:41:51,218 INFO L225 Difference]: With dead ends: 99 [2018-07-23 13:41:51,218 INFO L226 Difference]: Without dead ends: 97 [2018-07-23 13:41:51,219 INFO L575 BasicCegarLoop]: 0 DeclaredPredicates, 94 GetRequests, 1 SyntacticMatches, 0 SemanticMatches, 93 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 0 ImplicationChecksByTransitivity, 0.2s TimeCoverageRelationStatistics Valid=4465, Invalid=4465, Unknown=0, NotChecked=0, Total=8930 [2018-07-23 13:41:51,220 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 97 states. [2018-07-23 13:41:51,225 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 97 to 97. [2018-07-23 13:41:51,225 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 97 states. [2018-07-23 13:41:51,226 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 97 states to 97 states and 97 transitions. [2018-07-23 13:41:51,226 INFO L78 Accepts]: Start accepts. Automaton has 97 states and 97 transitions. Word has length 95 [2018-07-23 13:41:51,226 INFO L84 Accepts]: Finished accepts. word is rejected. [2018-07-23 13:41:51,226 INFO L471 AbstractCegarLoop]: Abstraction has 97 states and 97 transitions. [2018-07-23 13:41:51,226 INFO L472 AbstractCegarLoop]: Interpolant automaton has 95 states. [2018-07-23 13:41:51,227 INFO L276 IsEmpty]: Start isEmpty. Operand 97 states and 97 transitions. [2018-07-23 13:41:51,227 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 97 [2018-07-23 13:41:51,227 INFO L349 BasicCegarLoop]: Found error trace [2018-07-23 13:41:51,227 INFO L357 BasicCegarLoop]: trace histogram [93, 1, 1, 1] [2018-07-23 13:41:51,227 INFO L414 AbstractCegarLoop]: === Iteration 94 === [ULTIMATE.startErr0AssertViolationASSERT]=== [2018-07-23 13:41:51,228 INFO L82 PathProgramCache]: Analyzing trace with hash -719181080, now seen corresponding path program 93 times [2018-07-23 13:41:51,228 INFO L69 tionRefinementEngine]: Using refinement strategy FixedRefinementStrategy [2018-07-23 13:41:51,242 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-07-23 13:41:51,540 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 13:41:51,541 INFO L309 seRefinementStrategy]: Constructing automaton from 0 perfect and 1 imperfect interpolant sequences. [2018-07-23 13:41:51,541 INFO L324 seRefinementStrategy]: Number of different interpolants: perfect sequences [] imperfect sequences [95] total 95 [2018-07-23 13:41:51,541 INFO L142 lantAutomatonBuilder]: Constructing canonical interpolant automaton, with selfloop in false state [2018-07-23 13:41:51,541 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2018-07-23 13:41:51,541 INFO L185 omatonBuilderFactory]: Interpolants [23936#(<= ULTIMATE.start_main_~x~4 56), 23937#(<= ULTIMATE.start_main_~x~4 58), 23938#(<= ULTIMATE.start_main_~x~4 60), 23939#(<= ULTIMATE.start_main_~x~4 62), 23940#(<= ULTIMATE.start_main_~x~4 64), 23941#(<= ULTIMATE.start_main_~x~4 66), 23942#(<= ULTIMATE.start_main_~x~4 68), 23943#(<= ULTIMATE.start_main_~x~4 70), 23944#(<= ULTIMATE.start_main_~x~4 72), 23945#(<= ULTIMATE.start_main_~x~4 74), 23946#(<= ULTIMATE.start_main_~x~4 76), 23947#(<= ULTIMATE.start_main_~x~4 78), 23948#(<= ULTIMATE.start_main_~x~4 80), 23949#(<= ULTIMATE.start_main_~x~4 82), 23950#(<= ULTIMATE.start_main_~x~4 84), 23951#(<= ULTIMATE.start_main_~x~4 86), 23952#(<= ULTIMATE.start_main_~x~4 88), 23953#(<= ULTIMATE.start_main_~x~4 90), 23954#(<= ULTIMATE.start_main_~x~4 92), 23955#(<= ULTIMATE.start_main_~x~4 94), 23956#(<= ULTIMATE.start_main_~x~4 96), 23957#(<= ULTIMATE.start_main_~x~4 98), 23958#(<= ULTIMATE.start_main_~x~4 100), 23959#(<= ULTIMATE.start_main_~x~4 102), 23960#(<= ULTIMATE.start_main_~x~4 104), 23961#(<= ULTIMATE.start_main_~x~4 106), 23962#(<= ULTIMATE.start_main_~x~4 108), 23963#(<= ULTIMATE.start_main_~x~4 110), 23964#(<= ULTIMATE.start_main_~x~4 112), 23965#(<= ULTIMATE.start_main_~x~4 114), 23966#(<= ULTIMATE.start_main_~x~4 116), 23967#(<= ULTIMATE.start_main_~x~4 118), 23968#(<= ULTIMATE.start_main_~x~4 120), 23969#(<= ULTIMATE.start_main_~x~4 122), 23970#(<= ULTIMATE.start_main_~x~4 124), 23971#(<= ULTIMATE.start_main_~x~4 126), 23972#(<= ULTIMATE.start_main_~x~4 128), 23973#(<= ULTIMATE.start_main_~x~4 130), 23974#(<= ULTIMATE.start_main_~x~4 132), 23975#(<= ULTIMATE.start_main_~x~4 134), 23976#(<= ULTIMATE.start_main_~x~4 136), 23977#(<= ULTIMATE.start_main_~x~4 138), 23978#(<= ULTIMATE.start_main_~x~4 140), 23979#(<= ULTIMATE.start_main_~x~4 142), 23980#(<= ULTIMATE.start_main_~x~4 144), 23981#(<= ULTIMATE.start_main_~x~4 146), 23982#(<= ULTIMATE.start_main_~x~4 148), 23983#(<= ULTIMATE.start_main_~x~4 150), 23984#(<= ULTIMATE.start_main_~x~4 152), 23985#(<= ULTIMATE.start_main_~x~4 154), 23986#(<= ULTIMATE.start_main_~x~4 156), 23987#(<= ULTIMATE.start_main_~x~4 158), 23988#(<= ULTIMATE.start_main_~x~4 160), 23989#(<= ULTIMATE.start_main_~x~4 162), 23990#(<= ULTIMATE.start_main_~x~4 164), 23991#(<= ULTIMATE.start_main_~x~4 166), 23992#(<= ULTIMATE.start_main_~x~4 168), 23993#(<= ULTIMATE.start_main_~x~4 170), 23994#(<= ULTIMATE.start_main_~x~4 172), 23995#(<= ULTIMATE.start_main_~x~4 174), 23996#(<= ULTIMATE.start_main_~x~4 176), 23997#(<= ULTIMATE.start_main_~x~4 178), 23998#(<= ULTIMATE.start_main_~x~4 180), 23999#(<= ULTIMATE.start_main_~x~4 182), 24000#(<= ULTIMATE.start_main_~x~4 184), 24001#(<= ULTIMATE.start_main_~x~4 186), 24002#(<= ULTIMATE.start_main_~x~4 188), 24003#(<= ULTIMATE.start_main_~x~4 190), 24004#(<= ULTIMATE.start_main_~x~4 192), 24005#(<= ULTIMATE.start_main_~x~4 194), 24006#(<= ULTIMATE.start_main_~x~4 196), 23911#true, 23912#false, 23913#(<= ULTIMATE.start_main_~x~4 10), 23914#(<= ULTIMATE.start_main_~x~4 12), 23915#(<= ULTIMATE.start_main_~x~4 14), 23916#(<= ULTIMATE.start_main_~x~4 16), 23917#(<= ULTIMATE.start_main_~x~4 18), 23918#(<= ULTIMATE.start_main_~x~4 20), 23919#(<= ULTIMATE.start_main_~x~4 22), 23920#(<= ULTIMATE.start_main_~x~4 24), 23921#(<= ULTIMATE.start_main_~x~4 26), 23922#(<= ULTIMATE.start_main_~x~4 28), 23923#(<= ULTIMATE.start_main_~x~4 30), 23924#(<= ULTIMATE.start_main_~x~4 32), 23925#(<= ULTIMATE.start_main_~x~4 34), 23926#(<= ULTIMATE.start_main_~x~4 36), 23927#(<= ULTIMATE.start_main_~x~4 38), 23928#(<= ULTIMATE.start_main_~x~4 40), 23929#(<= ULTIMATE.start_main_~x~4 42), 23930#(<= ULTIMATE.start_main_~x~4 44), 23931#(<= ULTIMATE.start_main_~x~4 46), 23932#(<= ULTIMATE.start_main_~x~4 48), 23933#(<= ULTIMATE.start_main_~x~4 50), 23934#(<= ULTIMATE.start_main_~x~4 52), 23935#(<= ULTIMATE.start_main_~x~4 54)] [2018-07-23 13:41:51,542 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 13:41:51,542 INFO L450 AbstractCegarLoop]: Interpolant automaton has 96 states [2018-07-23 13:41:51,542 INFO L132 InterpolantAutomaton]: Constructing interpolant automaton starting with 96 interpolants. [2018-07-23 13:41:51,543 INFO L133 InterpolantAutomaton]: CoverageRelationStatistics Valid=4560, Invalid=4560, Unknown=0, NotChecked=0, Total=9120 [2018-07-23 13:41:51,543 INFO L87 Difference]: Start difference. First operand 97 states and 97 transitions. Second operand 96 states. [2018-07-23 13:41:51,612 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2018-07-23 13:41:51,612 INFO L93 Difference]: Finished difference Result 100 states and 100 transitions. [2018-07-23 13:41:51,613 INFO L142 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 96 states. [2018-07-23 13:41:51,613 INFO L78 Accepts]: Start accepts. Automaton has 96 states. Word has length 96 [2018-07-23 13:41:51,613 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2018-07-23 13:41:51,613 INFO L225 Difference]: With dead ends: 100 [2018-07-23 13:41:51,613 INFO L226 Difference]: Without dead ends: 98 [2018-07-23 13:41:51,614 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 13:41:51,614 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 98 states. [2018-07-23 13:41:51,617 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 98 to 98. [2018-07-23 13:41:51,617 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 98 states. [2018-07-23 13:41:51,617 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 98 states to 98 states and 98 transitions. [2018-07-23 13:41:51,617 INFO L78 Accepts]: Start accepts. Automaton has 98 states and 98 transitions. Word has length 96 [2018-07-23 13:41:51,617 INFO L84 Accepts]: Finished accepts. word is rejected. [2018-07-23 13:41:51,617 INFO L471 AbstractCegarLoop]: Abstraction has 98 states and 98 transitions. [2018-07-23 13:41:51,618 INFO L472 AbstractCegarLoop]: Interpolant automaton has 96 states. [2018-07-23 13:41:51,618 INFO L276 IsEmpty]: Start isEmpty. Operand 98 states and 98 transitions. [2018-07-23 13:41:51,618 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 98 [2018-07-23 13:41:51,618 INFO L349 BasicCegarLoop]: Found error trace [2018-07-23 13:41:51,618 INFO L357 BasicCegarLoop]: trace histogram [94, 1, 1, 1] [2018-07-23 13:41:51,619 INFO L414 AbstractCegarLoop]: === Iteration 95 === [ULTIMATE.startErr0AssertViolationASSERT]=== [2018-07-23 13:41:51,619 INFO L82 PathProgramCache]: Analyzing trace with hash -819778975, now seen corresponding path program 94 times [2018-07-23 13:41:51,619 INFO L69 tionRefinementEngine]: Using refinement strategy FixedRefinementStrategy [2018-07-23 13:41:51,630 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-07-23 13:41:51,886 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 13:41:51,886 INFO L309 seRefinementStrategy]: Constructing automaton from 0 perfect and 1 imperfect interpolant sequences. [2018-07-23 13:41:51,886 INFO L324 seRefinementStrategy]: Number of different interpolants: perfect sequences [] imperfect sequences [96] total 96 [2018-07-23 13:41:51,887 INFO L142 lantAutomatonBuilder]: Constructing canonical interpolant automaton, with selfloop in false state [2018-07-23 13:41:51,887 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2018-07-23 13:41:51,887 INFO L185 omatonBuilderFactory]: Interpolants [24403#true, 24404#false, 24405#(<= ULTIMATE.start_main_~x~4 10), 24406#(<= ULTIMATE.start_main_~x~4 12), 24407#(<= ULTIMATE.start_main_~x~4 14), 24408#(<= ULTIMATE.start_main_~x~4 16), 24409#(<= ULTIMATE.start_main_~x~4 18), 24410#(<= ULTIMATE.start_main_~x~4 20), 24411#(<= ULTIMATE.start_main_~x~4 22), 24412#(<= ULTIMATE.start_main_~x~4 24), 24413#(<= ULTIMATE.start_main_~x~4 26), 24414#(<= ULTIMATE.start_main_~x~4 28), 24415#(<= ULTIMATE.start_main_~x~4 30), 24416#(<= ULTIMATE.start_main_~x~4 32), 24417#(<= ULTIMATE.start_main_~x~4 34), 24418#(<= ULTIMATE.start_main_~x~4 36), 24419#(<= ULTIMATE.start_main_~x~4 38), 24420#(<= ULTIMATE.start_main_~x~4 40), 24421#(<= ULTIMATE.start_main_~x~4 42), 24422#(<= ULTIMATE.start_main_~x~4 44), 24423#(<= ULTIMATE.start_main_~x~4 46), 24424#(<= ULTIMATE.start_main_~x~4 48), 24425#(<= ULTIMATE.start_main_~x~4 50), 24426#(<= ULTIMATE.start_main_~x~4 52), 24427#(<= ULTIMATE.start_main_~x~4 54), 24428#(<= ULTIMATE.start_main_~x~4 56), 24429#(<= ULTIMATE.start_main_~x~4 58), 24430#(<= ULTIMATE.start_main_~x~4 60), 24431#(<= ULTIMATE.start_main_~x~4 62), 24432#(<= ULTIMATE.start_main_~x~4 64), 24433#(<= ULTIMATE.start_main_~x~4 66), 24434#(<= ULTIMATE.start_main_~x~4 68), 24435#(<= ULTIMATE.start_main_~x~4 70), 24436#(<= ULTIMATE.start_main_~x~4 72), 24437#(<= ULTIMATE.start_main_~x~4 74), 24438#(<= ULTIMATE.start_main_~x~4 76), 24439#(<= ULTIMATE.start_main_~x~4 78), 24440#(<= ULTIMATE.start_main_~x~4 80), 24441#(<= ULTIMATE.start_main_~x~4 82), 24442#(<= ULTIMATE.start_main_~x~4 84), 24443#(<= ULTIMATE.start_main_~x~4 86), 24444#(<= ULTIMATE.start_main_~x~4 88), 24445#(<= ULTIMATE.start_main_~x~4 90), 24446#(<= ULTIMATE.start_main_~x~4 92), 24447#(<= ULTIMATE.start_main_~x~4 94), 24448#(<= ULTIMATE.start_main_~x~4 96), 24449#(<= ULTIMATE.start_main_~x~4 98), 24450#(<= ULTIMATE.start_main_~x~4 100), 24451#(<= ULTIMATE.start_main_~x~4 102), 24452#(<= ULTIMATE.start_main_~x~4 104), 24453#(<= ULTIMATE.start_main_~x~4 106), 24454#(<= ULTIMATE.start_main_~x~4 108), 24455#(<= ULTIMATE.start_main_~x~4 110), 24456#(<= ULTIMATE.start_main_~x~4 112), 24457#(<= ULTIMATE.start_main_~x~4 114), 24458#(<= ULTIMATE.start_main_~x~4 116), 24459#(<= ULTIMATE.start_main_~x~4 118), 24460#(<= ULTIMATE.start_main_~x~4 120), 24461#(<= ULTIMATE.start_main_~x~4 122), 24462#(<= ULTIMATE.start_main_~x~4 124), 24463#(<= ULTIMATE.start_main_~x~4 126), 24464#(<= ULTIMATE.start_main_~x~4 128), 24465#(<= ULTIMATE.start_main_~x~4 130), 24466#(<= ULTIMATE.start_main_~x~4 132), 24467#(<= ULTIMATE.start_main_~x~4 134), 24468#(<= ULTIMATE.start_main_~x~4 136), 24469#(<= ULTIMATE.start_main_~x~4 138), 24470#(<= ULTIMATE.start_main_~x~4 140), 24471#(<= ULTIMATE.start_main_~x~4 142), 24472#(<= ULTIMATE.start_main_~x~4 144), 24473#(<= ULTIMATE.start_main_~x~4 146), 24474#(<= ULTIMATE.start_main_~x~4 148), 24475#(<= ULTIMATE.start_main_~x~4 150), 24476#(<= ULTIMATE.start_main_~x~4 152), 24477#(<= ULTIMATE.start_main_~x~4 154), 24478#(<= ULTIMATE.start_main_~x~4 156), 24479#(<= ULTIMATE.start_main_~x~4 158), 24480#(<= ULTIMATE.start_main_~x~4 160), 24481#(<= ULTIMATE.start_main_~x~4 162), 24482#(<= ULTIMATE.start_main_~x~4 164), 24483#(<= ULTIMATE.start_main_~x~4 166), 24484#(<= ULTIMATE.start_main_~x~4 168), 24485#(<= ULTIMATE.start_main_~x~4 170), 24486#(<= ULTIMATE.start_main_~x~4 172), 24487#(<= ULTIMATE.start_main_~x~4 174), 24488#(<= ULTIMATE.start_main_~x~4 176), 24489#(<= ULTIMATE.start_main_~x~4 178), 24490#(<= ULTIMATE.start_main_~x~4 180), 24491#(<= ULTIMATE.start_main_~x~4 182), 24492#(<= ULTIMATE.start_main_~x~4 184), 24493#(<= ULTIMATE.start_main_~x~4 186), 24494#(<= ULTIMATE.start_main_~x~4 188), 24495#(<= ULTIMATE.start_main_~x~4 190), 24496#(<= ULTIMATE.start_main_~x~4 192), 24497#(<= ULTIMATE.start_main_~x~4 194), 24498#(<= ULTIMATE.start_main_~x~4 196), 24499#(<= ULTIMATE.start_main_~x~4 198)] [2018-07-23 13:41:51,887 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 13:41:51,887 INFO L450 AbstractCegarLoop]: Interpolant automaton has 97 states [2018-07-23 13:41:51,888 INFO L132 InterpolantAutomaton]: Constructing interpolant automaton starting with 97 interpolants. [2018-07-23 13:41:51,889 INFO L133 InterpolantAutomaton]: CoverageRelationStatistics Valid=4656, Invalid=4656, Unknown=0, NotChecked=0, Total=9312 [2018-07-23 13:41:51,889 INFO L87 Difference]: Start difference. First operand 98 states and 98 transitions. Second operand 97 states. [2018-07-23 13:41:51,942 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2018-07-23 13:41:51,942 INFO L93 Difference]: Finished difference Result 101 states and 101 transitions. [2018-07-23 13:41:51,942 INFO L142 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 97 states. [2018-07-23 13:41:51,942 INFO L78 Accepts]: Start accepts. Automaton has 97 states. Word has length 97 [2018-07-23 13:41:51,943 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2018-07-23 13:41:51,943 INFO L225 Difference]: With dead ends: 101 [2018-07-23 13:41:51,944 INFO L226 Difference]: Without dead ends: 99 [2018-07-23 13:41:51,945 INFO L575 BasicCegarLoop]: 0 DeclaredPredicates, 96 GetRequests, 1 SyntacticMatches, 0 SemanticMatches, 95 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 0 ImplicationChecksByTransitivity, 0.2s TimeCoverageRelationStatistics Valid=4656, Invalid=4656, Unknown=0, NotChecked=0, Total=9312 [2018-07-23 13:41:51,945 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 99 states. [2018-07-23 13:41:51,948 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 99 to 99. [2018-07-23 13:41:51,948 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 99 states. [2018-07-23 13:41:51,948 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 99 states to 99 states and 99 transitions. [2018-07-23 13:41:51,948 INFO L78 Accepts]: Start accepts. Automaton has 99 states and 99 transitions. Word has length 97 [2018-07-23 13:41:51,949 INFO L84 Accepts]: Finished accepts. word is rejected. [2018-07-23 13:41:51,949 INFO L471 AbstractCegarLoop]: Abstraction has 99 states and 99 transitions. [2018-07-23 13:41:51,949 INFO L472 AbstractCegarLoop]: Interpolant automaton has 97 states. [2018-07-23 13:41:51,949 INFO L276 IsEmpty]: Start isEmpty. Operand 99 states and 99 transitions. [2018-07-23 13:41:51,949 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 99 [2018-07-23 13:41:51,950 INFO L349 BasicCegarLoop]: Found error trace [2018-07-23 13:41:51,950 INFO L357 BasicCegarLoop]: trace histogram [95, 1, 1, 1] [2018-07-23 13:41:51,950 INFO L414 AbstractCegarLoop]: === Iteration 96 === [ULTIMATE.startErr0AssertViolationASSERT]=== [2018-07-23 13:41:51,950 INFO L82 PathProgramCache]: Analyzing trace with hash 356653576, now seen corresponding path program 95 times [2018-07-23 13:41:51,950 INFO L69 tionRefinementEngine]: Using refinement strategy FixedRefinementStrategy [2018-07-23 13:41:51,964 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-07-23 13:41:52,318 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 13:41:52,319 INFO L309 seRefinementStrategy]: Constructing automaton from 0 perfect and 1 imperfect interpolant sequences. [2018-07-23 13:41:52,319 INFO L324 seRefinementStrategy]: Number of different interpolants: perfect sequences [] imperfect sequences [97] total 97 [2018-07-23 13:41:52,319 INFO L142 lantAutomatonBuilder]: Constructing canonical interpolant automaton, with selfloop in false state [2018-07-23 13:41:52,320 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2018-07-23 13:41:52,320 INFO L185 omatonBuilderFactory]: Interpolants [24900#true, 24901#false, 24902#(<= ULTIMATE.start_main_~x~4 10), 24903#(<= ULTIMATE.start_main_~x~4 12), 24904#(<= ULTIMATE.start_main_~x~4 14), 24905#(<= ULTIMATE.start_main_~x~4 16), 24906#(<= ULTIMATE.start_main_~x~4 18), 24907#(<= ULTIMATE.start_main_~x~4 20), 24908#(<= ULTIMATE.start_main_~x~4 22), 24909#(<= ULTIMATE.start_main_~x~4 24), 24910#(<= ULTIMATE.start_main_~x~4 26), 24911#(<= ULTIMATE.start_main_~x~4 28), 24912#(<= ULTIMATE.start_main_~x~4 30), 24913#(<= ULTIMATE.start_main_~x~4 32), 24914#(<= ULTIMATE.start_main_~x~4 34), 24915#(<= ULTIMATE.start_main_~x~4 36), 24916#(<= ULTIMATE.start_main_~x~4 38), 24917#(<= ULTIMATE.start_main_~x~4 40), 24918#(<= ULTIMATE.start_main_~x~4 42), 24919#(<= ULTIMATE.start_main_~x~4 44), 24920#(<= ULTIMATE.start_main_~x~4 46), 24921#(<= ULTIMATE.start_main_~x~4 48), 24922#(<= ULTIMATE.start_main_~x~4 50), 24923#(<= ULTIMATE.start_main_~x~4 52), 24924#(<= ULTIMATE.start_main_~x~4 54), 24925#(<= ULTIMATE.start_main_~x~4 56), 24926#(<= ULTIMATE.start_main_~x~4 58), 24927#(<= ULTIMATE.start_main_~x~4 60), 24928#(<= ULTIMATE.start_main_~x~4 62), 24929#(<= ULTIMATE.start_main_~x~4 64), 24930#(<= ULTIMATE.start_main_~x~4 66), 24931#(<= ULTIMATE.start_main_~x~4 68), 24932#(<= ULTIMATE.start_main_~x~4 70), 24933#(<= ULTIMATE.start_main_~x~4 72), 24934#(<= ULTIMATE.start_main_~x~4 74), 24935#(<= ULTIMATE.start_main_~x~4 76), 24936#(<= ULTIMATE.start_main_~x~4 78), 24937#(<= ULTIMATE.start_main_~x~4 80), 24938#(<= ULTIMATE.start_main_~x~4 82), 24939#(<= ULTIMATE.start_main_~x~4 84), 24940#(<= ULTIMATE.start_main_~x~4 86), 24941#(<= ULTIMATE.start_main_~x~4 88), 24942#(<= ULTIMATE.start_main_~x~4 90), 24943#(<= ULTIMATE.start_main_~x~4 92), 24944#(<= ULTIMATE.start_main_~x~4 94), 24945#(<= ULTIMATE.start_main_~x~4 96), 24946#(<= ULTIMATE.start_main_~x~4 98), 24947#(<= ULTIMATE.start_main_~x~4 100), 24948#(<= ULTIMATE.start_main_~x~4 102), 24949#(<= ULTIMATE.start_main_~x~4 104), 24950#(<= ULTIMATE.start_main_~x~4 106), 24951#(<= ULTIMATE.start_main_~x~4 108), 24952#(<= ULTIMATE.start_main_~x~4 110), 24953#(<= ULTIMATE.start_main_~x~4 112), 24954#(<= ULTIMATE.start_main_~x~4 114), 24955#(<= ULTIMATE.start_main_~x~4 116), 24956#(<= ULTIMATE.start_main_~x~4 118), 24957#(<= ULTIMATE.start_main_~x~4 120), 24958#(<= ULTIMATE.start_main_~x~4 122), 24959#(<= ULTIMATE.start_main_~x~4 124), 24960#(<= ULTIMATE.start_main_~x~4 126), 24961#(<= ULTIMATE.start_main_~x~4 128), 24962#(<= ULTIMATE.start_main_~x~4 130), 24963#(<= ULTIMATE.start_main_~x~4 132), 24964#(<= ULTIMATE.start_main_~x~4 134), 24965#(<= ULTIMATE.start_main_~x~4 136), 24966#(<= ULTIMATE.start_main_~x~4 138), 24967#(<= ULTIMATE.start_main_~x~4 140), 24968#(<= ULTIMATE.start_main_~x~4 142), 24969#(<= ULTIMATE.start_main_~x~4 144), 24970#(<= ULTIMATE.start_main_~x~4 146), 24971#(<= ULTIMATE.start_main_~x~4 148), 24972#(<= ULTIMATE.start_main_~x~4 150), 24973#(<= ULTIMATE.start_main_~x~4 152), 24974#(<= ULTIMATE.start_main_~x~4 154), 24975#(<= ULTIMATE.start_main_~x~4 156), 24976#(<= ULTIMATE.start_main_~x~4 158), 24977#(<= ULTIMATE.start_main_~x~4 160), 24978#(<= ULTIMATE.start_main_~x~4 162), 24979#(<= ULTIMATE.start_main_~x~4 164), 24980#(<= ULTIMATE.start_main_~x~4 166), 24981#(<= ULTIMATE.start_main_~x~4 168), 24982#(<= ULTIMATE.start_main_~x~4 170), 24983#(<= ULTIMATE.start_main_~x~4 172), 24984#(<= ULTIMATE.start_main_~x~4 174), 24985#(<= ULTIMATE.start_main_~x~4 176), 24986#(<= ULTIMATE.start_main_~x~4 178), 24987#(<= ULTIMATE.start_main_~x~4 180), 24988#(<= ULTIMATE.start_main_~x~4 182), 24989#(<= ULTIMATE.start_main_~x~4 184), 24990#(<= ULTIMATE.start_main_~x~4 186), 24991#(<= ULTIMATE.start_main_~x~4 188), 24992#(<= ULTIMATE.start_main_~x~4 190), 24993#(<= ULTIMATE.start_main_~x~4 192), 24994#(<= ULTIMATE.start_main_~x~4 194), 24995#(<= ULTIMATE.start_main_~x~4 196), 24996#(<= ULTIMATE.start_main_~x~4 198), 24997#(<= ULTIMATE.start_main_~x~4 200)] [2018-07-23 13:41:52,321 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 13:41:52,321 INFO L450 AbstractCegarLoop]: Interpolant automaton has 98 states [2018-07-23 13:41:52,322 INFO L132 InterpolantAutomaton]: Constructing interpolant automaton starting with 98 interpolants. [2018-07-23 13:41:52,322 INFO L133 InterpolantAutomaton]: CoverageRelationStatistics Valid=4753, Invalid=4753, Unknown=0, NotChecked=0, Total=9506 [2018-07-23 13:41:52,323 INFO L87 Difference]: Start difference. First operand 99 states and 99 transitions. Second operand 98 states. [2018-07-23 13:41:52,377 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2018-07-23 13:41:52,377 INFO L93 Difference]: Finished difference Result 102 states and 102 transitions. [2018-07-23 13:41:52,378 INFO L142 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 98 states. [2018-07-23 13:41:52,378 INFO L78 Accepts]: Start accepts. Automaton has 98 states. Word has length 98 [2018-07-23 13:41:52,378 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2018-07-23 13:41:52,379 INFO L225 Difference]: With dead ends: 102 [2018-07-23 13:41:52,379 INFO L226 Difference]: Without dead ends: 100 [2018-07-23 13:41:52,380 INFO L575 BasicCegarLoop]: 0 DeclaredPredicates, 97 GetRequests, 1 SyntacticMatches, 0 SemanticMatches, 96 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 0 ImplicationChecksByTransitivity, 0.3s TimeCoverageRelationStatistics Valid=4753, Invalid=4753, Unknown=0, NotChecked=0, Total=9506 [2018-07-23 13:41:52,380 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 100 states. [2018-07-23 13:41:52,383 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 100 to 100. [2018-07-23 13:41:52,383 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 100 states. [2018-07-23 13:41:52,384 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 100 states to 100 states and 100 transitions. [2018-07-23 13:41:52,384 INFO L78 Accepts]: Start accepts. Automaton has 100 states and 100 transitions. Word has length 98 [2018-07-23 13:41:52,384 INFO L84 Accepts]: Finished accepts. word is rejected. [2018-07-23 13:41:52,384 INFO L471 AbstractCegarLoop]: Abstraction has 100 states and 100 transitions. [2018-07-23 13:41:52,384 INFO L472 AbstractCegarLoop]: Interpolant automaton has 98 states. [2018-07-23 13:41:52,385 INFO L276 IsEmpty]: Start isEmpty. Operand 100 states and 100 transitions. [2018-07-23 13:41:52,385 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 100 [2018-07-23 13:41:52,385 INFO L349 BasicCegarLoop]: Found error trace [2018-07-23 13:41:52,386 INFO L357 BasicCegarLoop]: trace histogram [96, 1, 1, 1] [2018-07-23 13:41:52,386 INFO L414 AbstractCegarLoop]: === Iteration 97 === [ULTIMATE.startErr0AssertViolationASSERT]=== [2018-07-23 13:41:52,386 INFO L82 PathProgramCache]: Analyzing trace with hash -1828643007, now seen corresponding path program 96 times [2018-07-23 13:41:52,386 INFO L69 tionRefinementEngine]: Using refinement strategy FixedRefinementStrategy [2018-07-23 13:41:52,400 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-07-23 13:41:52,692 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 13:41:52,693 INFO L309 seRefinementStrategy]: Constructing automaton from 0 perfect and 1 imperfect interpolant sequences. [2018-07-23 13:41:52,693 INFO L324 seRefinementStrategy]: Number of different interpolants: perfect sequences [] imperfect sequences [98] total 98 [2018-07-23 13:41:52,693 INFO L142 lantAutomatonBuilder]: Constructing canonical interpolant automaton, with selfloop in false state [2018-07-23 13:41:52,693 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 13:41:52,693 INFO L185 omatonBuilderFactory]: Interpolants [25402#true, 25403#false, 25404#(<= ULTIMATE.start_main_~x~4 10), 25405#(<= ULTIMATE.start_main_~x~4 12), 25406#(<= ULTIMATE.start_main_~x~4 14), 25407#(<= ULTIMATE.start_main_~x~4 16), 25408#(<= ULTIMATE.start_main_~x~4 18), 25409#(<= ULTIMATE.start_main_~x~4 20), 25410#(<= ULTIMATE.start_main_~x~4 22), 25411#(<= ULTIMATE.start_main_~x~4 24), 25412#(<= ULTIMATE.start_main_~x~4 26), 25413#(<= ULTIMATE.start_main_~x~4 28), 25414#(<= ULTIMATE.start_main_~x~4 30), 25415#(<= ULTIMATE.start_main_~x~4 32), 25416#(<= ULTIMATE.start_main_~x~4 34), 25417#(<= ULTIMATE.start_main_~x~4 36), 25418#(<= ULTIMATE.start_main_~x~4 38), 25419#(<= ULTIMATE.start_main_~x~4 40), 25420#(<= ULTIMATE.start_main_~x~4 42), 25421#(<= ULTIMATE.start_main_~x~4 44), 25422#(<= ULTIMATE.start_main_~x~4 46), 25423#(<= ULTIMATE.start_main_~x~4 48), 25424#(<= ULTIMATE.start_main_~x~4 50), 25425#(<= ULTIMATE.start_main_~x~4 52), 25426#(<= ULTIMATE.start_main_~x~4 54), 25427#(<= ULTIMATE.start_main_~x~4 56), 25428#(<= ULTIMATE.start_main_~x~4 58), 25429#(<= ULTIMATE.start_main_~x~4 60), 25430#(<= ULTIMATE.start_main_~x~4 62), 25431#(<= ULTIMATE.start_main_~x~4 64), 25432#(<= ULTIMATE.start_main_~x~4 66), 25433#(<= ULTIMATE.start_main_~x~4 68), 25434#(<= ULTIMATE.start_main_~x~4 70), 25435#(<= ULTIMATE.start_main_~x~4 72), 25436#(<= ULTIMATE.start_main_~x~4 74), 25437#(<= ULTIMATE.start_main_~x~4 76), 25438#(<= ULTIMATE.start_main_~x~4 78), 25439#(<= ULTIMATE.start_main_~x~4 80), 25440#(<= ULTIMATE.start_main_~x~4 82), 25441#(<= ULTIMATE.start_main_~x~4 84), 25442#(<= ULTIMATE.start_main_~x~4 86), 25443#(<= ULTIMATE.start_main_~x~4 88), 25444#(<= ULTIMATE.start_main_~x~4 90), 25445#(<= ULTIMATE.start_main_~x~4 92), 25446#(<= ULTIMATE.start_main_~x~4 94), 25447#(<= ULTIMATE.start_main_~x~4 96), 25448#(<= ULTIMATE.start_main_~x~4 98), 25449#(<= ULTIMATE.start_main_~x~4 100), 25450#(<= ULTIMATE.start_main_~x~4 102), 25451#(<= ULTIMATE.start_main_~x~4 104), 25452#(<= ULTIMATE.start_main_~x~4 106), 25453#(<= ULTIMATE.start_main_~x~4 108), 25454#(<= ULTIMATE.start_main_~x~4 110), 25455#(<= ULTIMATE.start_main_~x~4 112), 25456#(<= ULTIMATE.start_main_~x~4 114), 25457#(<= ULTIMATE.start_main_~x~4 116), 25458#(<= ULTIMATE.start_main_~x~4 118), 25459#(<= ULTIMATE.start_main_~x~4 120), 25460#(<= ULTIMATE.start_main_~x~4 122), 25461#(<= ULTIMATE.start_main_~x~4 124), 25462#(<= ULTIMATE.start_main_~x~4 126), 25463#(<= ULTIMATE.start_main_~x~4 128), 25464#(<= ULTIMATE.start_main_~x~4 130), 25465#(<= ULTIMATE.start_main_~x~4 132), 25466#(<= ULTIMATE.start_main_~x~4 134), 25467#(<= ULTIMATE.start_main_~x~4 136), 25468#(<= ULTIMATE.start_main_~x~4 138), 25469#(<= ULTIMATE.start_main_~x~4 140), 25470#(<= ULTIMATE.start_main_~x~4 142), 25471#(<= ULTIMATE.start_main_~x~4 144), 25472#(<= ULTIMATE.start_main_~x~4 146), 25473#(<= ULTIMATE.start_main_~x~4 148), 25474#(<= ULTIMATE.start_main_~x~4 150), 25475#(<= ULTIMATE.start_main_~x~4 152), 25476#(<= ULTIMATE.start_main_~x~4 154), 25477#(<= ULTIMATE.start_main_~x~4 156), 25478#(<= ULTIMATE.start_main_~x~4 158), 25479#(<= ULTIMATE.start_main_~x~4 160), 25480#(<= ULTIMATE.start_main_~x~4 162), 25481#(<= ULTIMATE.start_main_~x~4 164), 25482#(<= ULTIMATE.start_main_~x~4 166), 25483#(<= ULTIMATE.start_main_~x~4 168), 25484#(<= ULTIMATE.start_main_~x~4 170), 25485#(<= ULTIMATE.start_main_~x~4 172), 25486#(<= ULTIMATE.start_main_~x~4 174), 25487#(<= ULTIMATE.start_main_~x~4 176), 25488#(<= ULTIMATE.start_main_~x~4 178), 25489#(<= ULTIMATE.start_main_~x~4 180), 25490#(<= ULTIMATE.start_main_~x~4 182), 25491#(<= ULTIMATE.start_main_~x~4 184), 25492#(<= ULTIMATE.start_main_~x~4 186), 25493#(<= ULTIMATE.start_main_~x~4 188), 25494#(<= ULTIMATE.start_main_~x~4 190), 25495#(<= ULTIMATE.start_main_~x~4 192), 25496#(<= ULTIMATE.start_main_~x~4 194), 25497#(<= ULTIMATE.start_main_~x~4 196), 25498#(<= ULTIMATE.start_main_~x~4 198), 25499#(<= ULTIMATE.start_main_~x~4 200), 25500#(<= ULTIMATE.start_main_~x~4 202)] [2018-07-23 13:41:52,694 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 13:41:52,694 INFO L450 AbstractCegarLoop]: Interpolant automaton has 99 states [2018-07-23 13:41:52,695 INFO L132 InterpolantAutomaton]: Constructing interpolant automaton starting with 99 interpolants. [2018-07-23 13:41:52,695 INFO L133 InterpolantAutomaton]: CoverageRelationStatistics Valid=4851, Invalid=4851, Unknown=0, NotChecked=0, Total=9702 [2018-07-23 13:41:52,695 INFO L87 Difference]: Start difference. First operand 100 states and 100 transitions. Second operand 99 states. [2018-07-23 13:41:52,747 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2018-07-23 13:41:52,747 INFO L93 Difference]: Finished difference Result 103 states and 103 transitions. [2018-07-23 13:41:52,747 INFO L142 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 99 states. [2018-07-23 13:41:52,747 INFO L78 Accepts]: Start accepts. Automaton has 99 states. Word has length 99 [2018-07-23 13:41:52,748 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2018-07-23 13:41:52,748 INFO L225 Difference]: With dead ends: 103 [2018-07-23 13:41:52,748 INFO L226 Difference]: Without dead ends: 101 [2018-07-23 13:41:52,749 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 13:41:52,749 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 101 states. [2018-07-23 13:41:52,752 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 101 to 101. [2018-07-23 13:41:52,752 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 101 states. [2018-07-23 13:41:52,752 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 101 states to 101 states and 101 transitions. [2018-07-23 13:41:52,752 INFO L78 Accepts]: Start accepts. Automaton has 101 states and 101 transitions. Word has length 99 [2018-07-23 13:41:52,753 INFO L84 Accepts]: Finished accepts. word is rejected. [2018-07-23 13:41:52,753 INFO L471 AbstractCegarLoop]: Abstraction has 101 states and 101 transitions. [2018-07-23 13:41:52,753 INFO L472 AbstractCegarLoop]: Interpolant automaton has 99 states. [2018-07-23 13:41:52,753 INFO L276 IsEmpty]: Start isEmpty. Operand 101 states and 101 transitions. [2018-07-23 13:41:52,753 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 101 [2018-07-23 13:41:52,754 INFO L349 BasicCegarLoop]: Found error trace [2018-07-23 13:41:52,754 INFO L357 BasicCegarLoop]: trace histogram [97, 1, 1, 1] [2018-07-23 13:41:52,754 INFO L414 AbstractCegarLoop]: === Iteration 98 === [ULTIMATE.startErr0AssertViolationASSERT]=== [2018-07-23 13:41:52,754 INFO L82 PathProgramCache]: Analyzing trace with hash -853360344, now seen corresponding path program 97 times [2018-07-23 13:41:52,754 INFO L69 tionRefinementEngine]: Using refinement strategy FixedRefinementStrategy [2018-07-23 13:41:52,763 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-07-23 13:41:52,993 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 13:41:52,994 INFO L309 seRefinementStrategy]: Constructing automaton from 0 perfect and 1 imperfect interpolant sequences. [2018-07-23 13:41:52,994 INFO L324 seRefinementStrategy]: Number of different interpolants: perfect sequences [] imperfect sequences [99] total 99 [2018-07-23 13:41:52,994 INFO L142 lantAutomatonBuilder]: Constructing canonical interpolant automaton, with selfloop in false state [2018-07-23 13:41:52,994 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2018-07-23 13:41:52,995 INFO L185 omatonBuilderFactory]: Interpolants [25909#true, 25910#false, 25911#(<= ULTIMATE.start_main_~x~4 10), 25912#(<= ULTIMATE.start_main_~x~4 12), 25913#(<= ULTIMATE.start_main_~x~4 14), 25914#(<= ULTIMATE.start_main_~x~4 16), 25915#(<= ULTIMATE.start_main_~x~4 18), 25916#(<= ULTIMATE.start_main_~x~4 20), 25917#(<= ULTIMATE.start_main_~x~4 22), 25918#(<= ULTIMATE.start_main_~x~4 24), 25919#(<= ULTIMATE.start_main_~x~4 26), 25920#(<= ULTIMATE.start_main_~x~4 28), 25921#(<= ULTIMATE.start_main_~x~4 30), 25922#(<= ULTIMATE.start_main_~x~4 32), 25923#(<= ULTIMATE.start_main_~x~4 34), 25924#(<= ULTIMATE.start_main_~x~4 36), 25925#(<= ULTIMATE.start_main_~x~4 38), 25926#(<= ULTIMATE.start_main_~x~4 40), 25927#(<= ULTIMATE.start_main_~x~4 42), 25928#(<= ULTIMATE.start_main_~x~4 44), 25929#(<= ULTIMATE.start_main_~x~4 46), 25930#(<= ULTIMATE.start_main_~x~4 48), 25931#(<= ULTIMATE.start_main_~x~4 50), 25932#(<= ULTIMATE.start_main_~x~4 52), 25933#(<= ULTIMATE.start_main_~x~4 54), 25934#(<= ULTIMATE.start_main_~x~4 56), 25935#(<= ULTIMATE.start_main_~x~4 58), 25936#(<= ULTIMATE.start_main_~x~4 60), 25937#(<= ULTIMATE.start_main_~x~4 62), 25938#(<= ULTIMATE.start_main_~x~4 64), 25939#(<= ULTIMATE.start_main_~x~4 66), 25940#(<= ULTIMATE.start_main_~x~4 68), 25941#(<= ULTIMATE.start_main_~x~4 70), 25942#(<= ULTIMATE.start_main_~x~4 72), 25943#(<= ULTIMATE.start_main_~x~4 74), 25944#(<= ULTIMATE.start_main_~x~4 76), 25945#(<= ULTIMATE.start_main_~x~4 78), 25946#(<= ULTIMATE.start_main_~x~4 80), 25947#(<= ULTIMATE.start_main_~x~4 82), 25948#(<= ULTIMATE.start_main_~x~4 84), 25949#(<= ULTIMATE.start_main_~x~4 86), 25950#(<= ULTIMATE.start_main_~x~4 88), 25951#(<= ULTIMATE.start_main_~x~4 90), 25952#(<= ULTIMATE.start_main_~x~4 92), 25953#(<= ULTIMATE.start_main_~x~4 94), 25954#(<= ULTIMATE.start_main_~x~4 96), 25955#(<= ULTIMATE.start_main_~x~4 98), 25956#(<= ULTIMATE.start_main_~x~4 100), 25957#(<= ULTIMATE.start_main_~x~4 102), 25958#(<= ULTIMATE.start_main_~x~4 104), 25959#(<= ULTIMATE.start_main_~x~4 106), 25960#(<= ULTIMATE.start_main_~x~4 108), 25961#(<= ULTIMATE.start_main_~x~4 110), 25962#(<= ULTIMATE.start_main_~x~4 112), 25963#(<= ULTIMATE.start_main_~x~4 114), 25964#(<= ULTIMATE.start_main_~x~4 116), 25965#(<= ULTIMATE.start_main_~x~4 118), 25966#(<= ULTIMATE.start_main_~x~4 120), 25967#(<= ULTIMATE.start_main_~x~4 122), 25968#(<= ULTIMATE.start_main_~x~4 124), 25969#(<= ULTIMATE.start_main_~x~4 126), 25970#(<= ULTIMATE.start_main_~x~4 128), 25971#(<= ULTIMATE.start_main_~x~4 130), 25972#(<= ULTIMATE.start_main_~x~4 132), 25973#(<= ULTIMATE.start_main_~x~4 134), 25974#(<= ULTIMATE.start_main_~x~4 136), 25975#(<= ULTIMATE.start_main_~x~4 138), 25976#(<= ULTIMATE.start_main_~x~4 140), 25977#(<= ULTIMATE.start_main_~x~4 142), 25978#(<= ULTIMATE.start_main_~x~4 144), 25979#(<= ULTIMATE.start_main_~x~4 146), 25980#(<= ULTIMATE.start_main_~x~4 148), 25981#(<= ULTIMATE.start_main_~x~4 150), 25982#(<= ULTIMATE.start_main_~x~4 152), 25983#(<= ULTIMATE.start_main_~x~4 154), 25984#(<= ULTIMATE.start_main_~x~4 156), 25985#(<= ULTIMATE.start_main_~x~4 158), 25986#(<= ULTIMATE.start_main_~x~4 160), 25987#(<= ULTIMATE.start_main_~x~4 162), 25988#(<= ULTIMATE.start_main_~x~4 164), 25989#(<= ULTIMATE.start_main_~x~4 166), 25990#(<= ULTIMATE.start_main_~x~4 168), 25991#(<= ULTIMATE.start_main_~x~4 170), 25992#(<= ULTIMATE.start_main_~x~4 172), 25993#(<= ULTIMATE.start_main_~x~4 174), 25994#(<= ULTIMATE.start_main_~x~4 176), 25995#(<= ULTIMATE.start_main_~x~4 178), 25996#(<= ULTIMATE.start_main_~x~4 180), 25997#(<= ULTIMATE.start_main_~x~4 182), 25998#(<= ULTIMATE.start_main_~x~4 184), 25999#(<= ULTIMATE.start_main_~x~4 186), 26000#(<= ULTIMATE.start_main_~x~4 188), 26001#(<= ULTIMATE.start_main_~x~4 190), 26002#(<= ULTIMATE.start_main_~x~4 192), 26003#(<= ULTIMATE.start_main_~x~4 194), 26004#(<= ULTIMATE.start_main_~x~4 196), 26005#(<= ULTIMATE.start_main_~x~4 198), 26006#(<= ULTIMATE.start_main_~x~4 200), 26007#(<= ULTIMATE.start_main_~x~4 202), 26008#(<= ULTIMATE.start_main_~x~4 204)] [2018-07-23 13:41:52,995 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 13:41:52,995 INFO L450 AbstractCegarLoop]: Interpolant automaton has 100 states [2018-07-23 13:41:52,996 INFO L132 InterpolantAutomaton]: Constructing interpolant automaton starting with 100 interpolants. [2018-07-23 13:41:52,996 INFO L133 InterpolantAutomaton]: CoverageRelationStatistics Valid=4950, Invalid=4950, Unknown=0, NotChecked=0, Total=9900 [2018-07-23 13:41:52,997 INFO L87 Difference]: Start difference. First operand 101 states and 101 transitions. Second operand 100 states. [2018-07-23 13:41:53,062 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2018-07-23 13:41:53,062 INFO L93 Difference]: Finished difference Result 104 states and 104 transitions. [2018-07-23 13:41:53,062 INFO L142 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 100 states. [2018-07-23 13:41:53,063 INFO L78 Accepts]: Start accepts. Automaton has 100 states. Word has length 100 [2018-07-23 13:41:53,063 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2018-07-23 13:41:53,063 INFO L225 Difference]: With dead ends: 104 [2018-07-23 13:41:53,064 INFO L226 Difference]: Without dead ends: 102 [2018-07-23 13:41:53,065 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 13:41:53,065 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 102 states. [2018-07-23 13:41:53,067 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 102 to 102. [2018-07-23 13:41:53,067 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 102 states. [2018-07-23 13:41:53,067 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 102 states to 102 states and 102 transitions. [2018-07-23 13:41:53,068 INFO L78 Accepts]: Start accepts. Automaton has 102 states and 102 transitions. Word has length 100 [2018-07-23 13:41:53,068 INFO L84 Accepts]: Finished accepts. word is rejected. [2018-07-23 13:41:53,068 INFO L471 AbstractCegarLoop]: Abstraction has 102 states and 102 transitions. [2018-07-23 13:41:53,068 INFO L472 AbstractCegarLoop]: Interpolant automaton has 100 states. [2018-07-23 13:41:53,068 INFO L276 IsEmpty]: Start isEmpty. Operand 102 states and 102 transitions. [2018-07-23 13:41:53,068 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 102 [2018-07-23 13:41:53,069 INFO L349 BasicCegarLoop]: Found error trace [2018-07-23 13:41:53,069 INFO L357 BasicCegarLoop]: trace histogram [98, 1, 1, 1] [2018-07-23 13:41:53,069 INFO L414 AbstractCegarLoop]: === Iteration 99 === [ULTIMATE.startErr0AssertViolationASSERT]=== [2018-07-23 13:41:53,069 INFO L82 PathProgramCache]: Analyzing trace with hash -684368863, now seen corresponding path program 98 times [2018-07-23 13:41:53,069 INFO L69 tionRefinementEngine]: Using refinement strategy FixedRefinementStrategy [2018-07-23 13:41:53,080 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-07-23 13:41:53,315 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 13:41:53,315 INFO L309 seRefinementStrategy]: Constructing automaton from 0 perfect and 1 imperfect interpolant sequences. [2018-07-23 13:41:53,315 INFO L324 seRefinementStrategy]: Number of different interpolants: perfect sequences [] imperfect sequences [100] total 100 [2018-07-23 13:41:53,316 INFO L142 lantAutomatonBuilder]: Constructing canonical interpolant automaton, with selfloop in false state [2018-07-23 13:41:53,316 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2018-07-23 13:41:53,316 INFO L185 omatonBuilderFactory]: Interpolants [26421#true, 26422#false, 26423#(<= ULTIMATE.start_main_~x~4 10), 26424#(<= ULTIMATE.start_main_~x~4 12), 26425#(<= ULTIMATE.start_main_~x~4 14), 26426#(<= ULTIMATE.start_main_~x~4 16), 26427#(<= ULTIMATE.start_main_~x~4 18), 26428#(<= ULTIMATE.start_main_~x~4 20), 26429#(<= ULTIMATE.start_main_~x~4 22), 26430#(<= ULTIMATE.start_main_~x~4 24), 26431#(<= ULTIMATE.start_main_~x~4 26), 26432#(<= ULTIMATE.start_main_~x~4 28), 26433#(<= ULTIMATE.start_main_~x~4 30), 26434#(<= ULTIMATE.start_main_~x~4 32), 26435#(<= ULTIMATE.start_main_~x~4 34), 26436#(<= ULTIMATE.start_main_~x~4 36), 26437#(<= ULTIMATE.start_main_~x~4 38), 26438#(<= ULTIMATE.start_main_~x~4 40), 26439#(<= ULTIMATE.start_main_~x~4 42), 26440#(<= ULTIMATE.start_main_~x~4 44), 26441#(<= ULTIMATE.start_main_~x~4 46), 26442#(<= ULTIMATE.start_main_~x~4 48), 26443#(<= ULTIMATE.start_main_~x~4 50), 26444#(<= ULTIMATE.start_main_~x~4 52), 26445#(<= ULTIMATE.start_main_~x~4 54), 26446#(<= ULTIMATE.start_main_~x~4 56), 26447#(<= ULTIMATE.start_main_~x~4 58), 26448#(<= ULTIMATE.start_main_~x~4 60), 26449#(<= ULTIMATE.start_main_~x~4 62), 26450#(<= ULTIMATE.start_main_~x~4 64), 26451#(<= ULTIMATE.start_main_~x~4 66), 26452#(<= ULTIMATE.start_main_~x~4 68), 26453#(<= ULTIMATE.start_main_~x~4 70), 26454#(<= ULTIMATE.start_main_~x~4 72), 26455#(<= ULTIMATE.start_main_~x~4 74), 26456#(<= ULTIMATE.start_main_~x~4 76), 26457#(<= ULTIMATE.start_main_~x~4 78), 26458#(<= ULTIMATE.start_main_~x~4 80), 26459#(<= ULTIMATE.start_main_~x~4 82), 26460#(<= ULTIMATE.start_main_~x~4 84), 26461#(<= ULTIMATE.start_main_~x~4 86), 26462#(<= ULTIMATE.start_main_~x~4 88), 26463#(<= ULTIMATE.start_main_~x~4 90), 26464#(<= ULTIMATE.start_main_~x~4 92), 26465#(<= ULTIMATE.start_main_~x~4 94), 26466#(<= ULTIMATE.start_main_~x~4 96), 26467#(<= ULTIMATE.start_main_~x~4 98), 26468#(<= ULTIMATE.start_main_~x~4 100), 26469#(<= ULTIMATE.start_main_~x~4 102), 26470#(<= ULTIMATE.start_main_~x~4 104), 26471#(<= ULTIMATE.start_main_~x~4 106), 26472#(<= ULTIMATE.start_main_~x~4 108), 26473#(<= ULTIMATE.start_main_~x~4 110), 26474#(<= ULTIMATE.start_main_~x~4 112), 26475#(<= ULTIMATE.start_main_~x~4 114), 26476#(<= ULTIMATE.start_main_~x~4 116), 26477#(<= ULTIMATE.start_main_~x~4 118), 26478#(<= ULTIMATE.start_main_~x~4 120), 26479#(<= ULTIMATE.start_main_~x~4 122), 26480#(<= ULTIMATE.start_main_~x~4 124), 26481#(<= ULTIMATE.start_main_~x~4 126), 26482#(<= ULTIMATE.start_main_~x~4 128), 26483#(<= ULTIMATE.start_main_~x~4 130), 26484#(<= ULTIMATE.start_main_~x~4 132), 26485#(<= ULTIMATE.start_main_~x~4 134), 26486#(<= ULTIMATE.start_main_~x~4 136), 26487#(<= ULTIMATE.start_main_~x~4 138), 26488#(<= ULTIMATE.start_main_~x~4 140), 26489#(<= ULTIMATE.start_main_~x~4 142), 26490#(<= ULTIMATE.start_main_~x~4 144), 26491#(<= ULTIMATE.start_main_~x~4 146), 26492#(<= ULTIMATE.start_main_~x~4 148), 26493#(<= ULTIMATE.start_main_~x~4 150), 26494#(<= ULTIMATE.start_main_~x~4 152), 26495#(<= ULTIMATE.start_main_~x~4 154), 26496#(<= ULTIMATE.start_main_~x~4 156), 26497#(<= ULTIMATE.start_main_~x~4 158), 26498#(<= ULTIMATE.start_main_~x~4 160), 26499#(<= ULTIMATE.start_main_~x~4 162), 26500#(<= ULTIMATE.start_main_~x~4 164), 26501#(<= ULTIMATE.start_main_~x~4 166), 26502#(<= ULTIMATE.start_main_~x~4 168), 26503#(<= ULTIMATE.start_main_~x~4 170), 26504#(<= ULTIMATE.start_main_~x~4 172), 26505#(<= ULTIMATE.start_main_~x~4 174), 26506#(<= ULTIMATE.start_main_~x~4 176), 26507#(<= ULTIMATE.start_main_~x~4 178), 26508#(<= ULTIMATE.start_main_~x~4 180), 26509#(<= ULTIMATE.start_main_~x~4 182), 26510#(<= ULTIMATE.start_main_~x~4 184), 26511#(<= ULTIMATE.start_main_~x~4 186), 26512#(<= ULTIMATE.start_main_~x~4 188), 26513#(<= ULTIMATE.start_main_~x~4 190), 26514#(<= ULTIMATE.start_main_~x~4 192), 26515#(<= ULTIMATE.start_main_~x~4 194), 26516#(<= ULTIMATE.start_main_~x~4 196), 26517#(<= ULTIMATE.start_main_~x~4 198), 26518#(<= ULTIMATE.start_main_~x~4 200), 26519#(<= ULTIMATE.start_main_~x~4 202), 26520#(<= ULTIMATE.start_main_~x~4 204), 26521#(<= ULTIMATE.start_main_~x~4 206)] [2018-07-23 13:41:53,317 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 13:41:53,317 INFO L450 AbstractCegarLoop]: Interpolant automaton has 101 states [2018-07-23 13:41:53,318 INFO L132 InterpolantAutomaton]: Constructing interpolant automaton starting with 101 interpolants. [2018-07-23 13:41:53,318 INFO L133 InterpolantAutomaton]: CoverageRelationStatistics Valid=5050, Invalid=5050, Unknown=0, NotChecked=0, Total=10100 [2018-07-23 13:41:53,318 INFO L87 Difference]: Start difference. First operand 102 states and 102 transitions. Second operand 101 states. [2018-07-23 13:41:53,390 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2018-07-23 13:41:53,390 INFO L93 Difference]: Finished difference Result 105 states and 105 transitions. [2018-07-23 13:41:53,390 INFO L142 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 101 states. [2018-07-23 13:41:53,390 INFO L78 Accepts]: Start accepts. Automaton has 101 states. Word has length 101 [2018-07-23 13:41:53,391 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2018-07-23 13:41:53,391 INFO L225 Difference]: With dead ends: 105 [2018-07-23 13:41:53,391 INFO L226 Difference]: Without dead ends: 103 [2018-07-23 13:41:53,392 INFO L575 BasicCegarLoop]: 0 DeclaredPredicates, 100 GetRequests, 1 SyntacticMatches, 0 SemanticMatches, 99 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 0 ImplicationChecksByTransitivity, 0.2s TimeCoverageRelationStatistics Valid=5050, Invalid=5050, Unknown=0, NotChecked=0, Total=10100 [2018-07-23 13:41:53,393 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 103 states. [2018-07-23 13:41:53,395 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 103 to 103. [2018-07-23 13:41:53,395 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 103 states. [2018-07-23 13:41:53,395 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 103 states to 103 states and 103 transitions. [2018-07-23 13:41:53,396 INFO L78 Accepts]: Start accepts. Automaton has 103 states and 103 transitions. Word has length 101 [2018-07-23 13:41:53,396 INFO L84 Accepts]: Finished accepts. word is rejected. [2018-07-23 13:41:53,396 INFO L471 AbstractCegarLoop]: Abstraction has 103 states and 103 transitions. [2018-07-23 13:41:53,396 INFO L472 AbstractCegarLoop]: Interpolant automaton has 101 states. [2018-07-23 13:41:53,396 INFO L276 IsEmpty]: Start isEmpty. Operand 103 states and 103 transitions. [2018-07-23 13:41:53,397 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 103 [2018-07-23 13:41:53,397 INFO L349 BasicCegarLoop]: Found error trace [2018-07-23 13:41:53,397 INFO L357 BasicCegarLoop]: trace histogram [99, 1, 1, 1] [2018-07-23 13:41:53,397 INFO L414 AbstractCegarLoop]: === Iteration 100 === [ULTIMATE.startErr0AssertViolationASSERT]=== [2018-07-23 13:41:53,397 INFO L82 PathProgramCache]: Analyzing trace with hash 259399752, now seen corresponding path program 99 times [2018-07-23 13:41:53,397 INFO L69 tionRefinementEngine]: Using refinement strategy FixedRefinementStrategy [2018-07-23 13:41:53,408 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-07-23 13:41:53,661 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 13:41:53,661 INFO L309 seRefinementStrategy]: Constructing automaton from 0 perfect and 1 imperfect interpolant sequences. [2018-07-23 13:41:53,661 INFO L324 seRefinementStrategy]: Number of different interpolants: perfect sequences [] imperfect sequences [101] total 101 [2018-07-23 13:41:53,661 INFO L142 lantAutomatonBuilder]: Constructing canonical interpolant automaton, with selfloop in false state [2018-07-23 13:41:53,662 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2018-07-23 13:41:53,662 INFO L185 omatonBuilderFactory]: Interpolants [26938#true, 26939#false, 26940#(<= ULTIMATE.start_main_~x~4 10), 26941#(<= ULTIMATE.start_main_~x~4 12), 26942#(<= ULTIMATE.start_main_~x~4 14), 26943#(<= ULTIMATE.start_main_~x~4 16), 26944#(<= ULTIMATE.start_main_~x~4 18), 26945#(<= ULTIMATE.start_main_~x~4 20), 26946#(<= ULTIMATE.start_main_~x~4 22), 26947#(<= ULTIMATE.start_main_~x~4 24), 26948#(<= ULTIMATE.start_main_~x~4 26), 26949#(<= ULTIMATE.start_main_~x~4 28), 26950#(<= ULTIMATE.start_main_~x~4 30), 26951#(<= ULTIMATE.start_main_~x~4 32), 26952#(<= ULTIMATE.start_main_~x~4 34), 26953#(<= ULTIMATE.start_main_~x~4 36), 26954#(<= ULTIMATE.start_main_~x~4 38), 26955#(<= ULTIMATE.start_main_~x~4 40), 26956#(<= ULTIMATE.start_main_~x~4 42), 26957#(<= ULTIMATE.start_main_~x~4 44), 26958#(<= ULTIMATE.start_main_~x~4 46), 26959#(<= ULTIMATE.start_main_~x~4 48), 26960#(<= ULTIMATE.start_main_~x~4 50), 26961#(<= ULTIMATE.start_main_~x~4 52), 26962#(<= ULTIMATE.start_main_~x~4 54), 26963#(<= ULTIMATE.start_main_~x~4 56), 26964#(<= ULTIMATE.start_main_~x~4 58), 26965#(<= ULTIMATE.start_main_~x~4 60), 26966#(<= ULTIMATE.start_main_~x~4 62), 26967#(<= ULTIMATE.start_main_~x~4 64), 26968#(<= ULTIMATE.start_main_~x~4 66), 26969#(<= ULTIMATE.start_main_~x~4 68), 26970#(<= ULTIMATE.start_main_~x~4 70), 26971#(<= ULTIMATE.start_main_~x~4 72), 26972#(<= ULTIMATE.start_main_~x~4 74), 26973#(<= ULTIMATE.start_main_~x~4 76), 26974#(<= ULTIMATE.start_main_~x~4 78), 26975#(<= ULTIMATE.start_main_~x~4 80), 26976#(<= ULTIMATE.start_main_~x~4 82), 26977#(<= ULTIMATE.start_main_~x~4 84), 26978#(<= ULTIMATE.start_main_~x~4 86), 26979#(<= ULTIMATE.start_main_~x~4 88), 26980#(<= ULTIMATE.start_main_~x~4 90), 26981#(<= ULTIMATE.start_main_~x~4 92), 26982#(<= ULTIMATE.start_main_~x~4 94), 26983#(<= ULTIMATE.start_main_~x~4 96), 26984#(<= ULTIMATE.start_main_~x~4 98), 26985#(<= ULTIMATE.start_main_~x~4 100), 26986#(<= ULTIMATE.start_main_~x~4 102), 26987#(<= ULTIMATE.start_main_~x~4 104), 26988#(<= ULTIMATE.start_main_~x~4 106), 26989#(<= ULTIMATE.start_main_~x~4 108), 26990#(<= ULTIMATE.start_main_~x~4 110), 26991#(<= ULTIMATE.start_main_~x~4 112), 26992#(<= ULTIMATE.start_main_~x~4 114), 26993#(<= ULTIMATE.start_main_~x~4 116), 26994#(<= ULTIMATE.start_main_~x~4 118), 26995#(<= ULTIMATE.start_main_~x~4 120), 26996#(<= ULTIMATE.start_main_~x~4 122), 26997#(<= ULTIMATE.start_main_~x~4 124), 26998#(<= ULTIMATE.start_main_~x~4 126), 26999#(<= ULTIMATE.start_main_~x~4 128), 27000#(<= ULTIMATE.start_main_~x~4 130), 27001#(<= ULTIMATE.start_main_~x~4 132), 27002#(<= ULTIMATE.start_main_~x~4 134), 27003#(<= ULTIMATE.start_main_~x~4 136), 27004#(<= ULTIMATE.start_main_~x~4 138), 27005#(<= ULTIMATE.start_main_~x~4 140), 27006#(<= ULTIMATE.start_main_~x~4 142), 27007#(<= ULTIMATE.start_main_~x~4 144), 27008#(<= ULTIMATE.start_main_~x~4 146), 27009#(<= ULTIMATE.start_main_~x~4 148), 27010#(<= ULTIMATE.start_main_~x~4 150), 27011#(<= ULTIMATE.start_main_~x~4 152), 27012#(<= ULTIMATE.start_main_~x~4 154), 27013#(<= ULTIMATE.start_main_~x~4 156), 27014#(<= ULTIMATE.start_main_~x~4 158), 27015#(<= ULTIMATE.start_main_~x~4 160), 27016#(<= ULTIMATE.start_main_~x~4 162), 27017#(<= ULTIMATE.start_main_~x~4 164), 27018#(<= ULTIMATE.start_main_~x~4 166), 27019#(<= ULTIMATE.start_main_~x~4 168), 27020#(<= ULTIMATE.start_main_~x~4 170), 27021#(<= ULTIMATE.start_main_~x~4 172), 27022#(<= ULTIMATE.start_main_~x~4 174), 27023#(<= ULTIMATE.start_main_~x~4 176), 27024#(<= ULTIMATE.start_main_~x~4 178), 27025#(<= ULTIMATE.start_main_~x~4 180), 27026#(<= ULTIMATE.start_main_~x~4 182), 27027#(<= ULTIMATE.start_main_~x~4 184), 27028#(<= ULTIMATE.start_main_~x~4 186), 27029#(<= ULTIMATE.start_main_~x~4 188), 27030#(<= ULTIMATE.start_main_~x~4 190), 27031#(<= ULTIMATE.start_main_~x~4 192), 27032#(<= ULTIMATE.start_main_~x~4 194), 27033#(<= ULTIMATE.start_main_~x~4 196), 27034#(<= ULTIMATE.start_main_~x~4 198), 27035#(<= ULTIMATE.start_main_~x~4 200), 27036#(<= ULTIMATE.start_main_~x~4 202), 27037#(<= ULTIMATE.start_main_~x~4 204), 27038#(<= ULTIMATE.start_main_~x~4 206), 27039#(<= ULTIMATE.start_main_~x~4 208)] [2018-07-23 13:41:53,662 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 13:41:53,663 INFO L450 AbstractCegarLoop]: Interpolant automaton has 102 states [2018-07-23 13:41:53,663 INFO L132 InterpolantAutomaton]: Constructing interpolant automaton starting with 102 interpolants. [2018-07-23 13:41:53,664 INFO L133 InterpolantAutomaton]: CoverageRelationStatistics Valid=5151, Invalid=5151, Unknown=0, NotChecked=0, Total=10302 [2018-07-23 13:41:53,664 INFO L87 Difference]: Start difference. First operand 103 states and 103 transitions. Second operand 102 states. [2018-07-23 13:41:53,737 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2018-07-23 13:41:53,737 INFO L93 Difference]: Finished difference Result 106 states and 106 transitions. [2018-07-23 13:41:53,737 INFO L142 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 102 states. [2018-07-23 13:41:53,738 INFO L78 Accepts]: Start accepts. Automaton has 102 states. Word has length 102 [2018-07-23 13:41:53,738 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2018-07-23 13:41:53,738 INFO L225 Difference]: With dead ends: 106 [2018-07-23 13:41:53,738 INFO L226 Difference]: Without dead ends: 104 [2018-07-23 13:41:53,739 INFO L575 BasicCegarLoop]: 0 DeclaredPredicates, 101 GetRequests, 1 SyntacticMatches, 0 SemanticMatches, 100 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 0 ImplicationChecksByTransitivity, 0.2s TimeCoverageRelationStatistics Valid=5151, Invalid=5151, Unknown=0, NotChecked=0, Total=10302 [2018-07-23 13:41:53,739 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 104 states. [2018-07-23 13:41:53,741 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 104 to 104. [2018-07-23 13:41:53,741 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 104 states. [2018-07-23 13:41:53,741 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 104 states to 104 states and 104 transitions. [2018-07-23 13:41:53,742 INFO L78 Accepts]: Start accepts. Automaton has 104 states and 104 transitions. Word has length 102 [2018-07-23 13:41:53,742 INFO L84 Accepts]: Finished accepts. word is rejected. [2018-07-23 13:41:53,742 INFO L471 AbstractCegarLoop]: Abstraction has 104 states and 104 transitions. [2018-07-23 13:41:53,742 INFO L472 AbstractCegarLoop]: Interpolant automaton has 102 states. [2018-07-23 13:41:53,742 INFO L276 IsEmpty]: Start isEmpty. Operand 104 states and 104 transitions. [2018-07-23 13:41:53,742 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 104 [2018-07-23 13:41:53,743 INFO L349 BasicCegarLoop]: Found error trace [2018-07-23 13:41:53,743 INFO L357 BasicCegarLoop]: trace histogram [100, 1, 1, 1] [2018-07-23 13:41:53,743 INFO L414 AbstractCegarLoop]: === Iteration 101 === [ULTIMATE.startErr0AssertViolationASSERT]=== [2018-07-23 13:41:53,743 INFO L82 PathProgramCache]: Analyzing trace with hash -548544255, now seen corresponding path program 100 times [2018-07-23 13:41:53,743 INFO L69 tionRefinementEngine]: Using refinement strategy FixedRefinementStrategy [2018-07-23 13:41:53,754 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-07-23 13:41:53,996 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 13:41:53,997 INFO L309 seRefinementStrategy]: Constructing automaton from 0 perfect and 1 imperfect interpolant sequences. [2018-07-23 13:41:53,997 INFO L324 seRefinementStrategy]: Number of different interpolants: perfect sequences [] imperfect sequences [102] total 102 [2018-07-23 13:41:53,997 INFO L142 lantAutomatonBuilder]: Constructing canonical interpolant automaton, with selfloop in false state [2018-07-23 13:41:53,997 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2018-07-23 13:41:53,998 INFO L185 omatonBuilderFactory]: Interpolants [27460#true, 27461#false, 27462#(<= ULTIMATE.start_main_~x~4 10), 27463#(<= ULTIMATE.start_main_~x~4 12), 27464#(<= ULTIMATE.start_main_~x~4 14), 27465#(<= ULTIMATE.start_main_~x~4 16), 27466#(<= ULTIMATE.start_main_~x~4 18), 27467#(<= ULTIMATE.start_main_~x~4 20), 27468#(<= ULTIMATE.start_main_~x~4 22), 27469#(<= ULTIMATE.start_main_~x~4 24), 27470#(<= ULTIMATE.start_main_~x~4 26), 27471#(<= ULTIMATE.start_main_~x~4 28), 27472#(<= ULTIMATE.start_main_~x~4 30), 27473#(<= ULTIMATE.start_main_~x~4 32), 27474#(<= ULTIMATE.start_main_~x~4 34), 27475#(<= ULTIMATE.start_main_~x~4 36), 27476#(<= ULTIMATE.start_main_~x~4 38), 27477#(<= ULTIMATE.start_main_~x~4 40), 27478#(<= ULTIMATE.start_main_~x~4 42), 27479#(<= ULTIMATE.start_main_~x~4 44), 27480#(<= ULTIMATE.start_main_~x~4 46), 27481#(<= ULTIMATE.start_main_~x~4 48), 27482#(<= ULTIMATE.start_main_~x~4 50), 27483#(<= ULTIMATE.start_main_~x~4 52), 27484#(<= ULTIMATE.start_main_~x~4 54), 27485#(<= ULTIMATE.start_main_~x~4 56), 27486#(<= ULTIMATE.start_main_~x~4 58), 27487#(<= ULTIMATE.start_main_~x~4 60), 27488#(<= ULTIMATE.start_main_~x~4 62), 27489#(<= ULTIMATE.start_main_~x~4 64), 27490#(<= ULTIMATE.start_main_~x~4 66), 27491#(<= ULTIMATE.start_main_~x~4 68), 27492#(<= ULTIMATE.start_main_~x~4 70), 27493#(<= ULTIMATE.start_main_~x~4 72), 27494#(<= ULTIMATE.start_main_~x~4 74), 27495#(<= ULTIMATE.start_main_~x~4 76), 27496#(<= ULTIMATE.start_main_~x~4 78), 27497#(<= ULTIMATE.start_main_~x~4 80), 27498#(<= ULTIMATE.start_main_~x~4 82), 27499#(<= ULTIMATE.start_main_~x~4 84), 27500#(<= ULTIMATE.start_main_~x~4 86), 27501#(<= ULTIMATE.start_main_~x~4 88), 27502#(<= ULTIMATE.start_main_~x~4 90), 27503#(<= ULTIMATE.start_main_~x~4 92), 27504#(<= ULTIMATE.start_main_~x~4 94), 27505#(<= ULTIMATE.start_main_~x~4 96), 27506#(<= ULTIMATE.start_main_~x~4 98), 27507#(<= ULTIMATE.start_main_~x~4 100), 27508#(<= ULTIMATE.start_main_~x~4 102), 27509#(<= ULTIMATE.start_main_~x~4 104), 27510#(<= ULTIMATE.start_main_~x~4 106), 27511#(<= ULTIMATE.start_main_~x~4 108), 27512#(<= ULTIMATE.start_main_~x~4 110), 27513#(<= ULTIMATE.start_main_~x~4 112), 27514#(<= ULTIMATE.start_main_~x~4 114), 27515#(<= ULTIMATE.start_main_~x~4 116), 27516#(<= ULTIMATE.start_main_~x~4 118), 27517#(<= ULTIMATE.start_main_~x~4 120), 27518#(<= ULTIMATE.start_main_~x~4 122), 27519#(<= ULTIMATE.start_main_~x~4 124), 27520#(<= ULTIMATE.start_main_~x~4 126), 27521#(<= ULTIMATE.start_main_~x~4 128), 27522#(<= ULTIMATE.start_main_~x~4 130), 27523#(<= ULTIMATE.start_main_~x~4 132), 27524#(<= ULTIMATE.start_main_~x~4 134), 27525#(<= ULTIMATE.start_main_~x~4 136), 27526#(<= ULTIMATE.start_main_~x~4 138), 27527#(<= ULTIMATE.start_main_~x~4 140), 27528#(<= ULTIMATE.start_main_~x~4 142), 27529#(<= ULTIMATE.start_main_~x~4 144), 27530#(<= ULTIMATE.start_main_~x~4 146), 27531#(<= ULTIMATE.start_main_~x~4 148), 27532#(<= ULTIMATE.start_main_~x~4 150), 27533#(<= ULTIMATE.start_main_~x~4 152), 27534#(<= ULTIMATE.start_main_~x~4 154), 27535#(<= ULTIMATE.start_main_~x~4 156), 27536#(<= ULTIMATE.start_main_~x~4 158), 27537#(<= ULTIMATE.start_main_~x~4 160), 27538#(<= ULTIMATE.start_main_~x~4 162), 27539#(<= ULTIMATE.start_main_~x~4 164), 27540#(<= ULTIMATE.start_main_~x~4 166), 27541#(<= ULTIMATE.start_main_~x~4 168), 27542#(<= ULTIMATE.start_main_~x~4 170), 27543#(<= ULTIMATE.start_main_~x~4 172), 27544#(<= ULTIMATE.start_main_~x~4 174), 27545#(<= ULTIMATE.start_main_~x~4 176), 27546#(<= ULTIMATE.start_main_~x~4 178), 27547#(<= ULTIMATE.start_main_~x~4 180), 27548#(<= ULTIMATE.start_main_~x~4 182), 27549#(<= ULTIMATE.start_main_~x~4 184), 27550#(<= ULTIMATE.start_main_~x~4 186), 27551#(<= ULTIMATE.start_main_~x~4 188), 27552#(<= ULTIMATE.start_main_~x~4 190), 27553#(<= ULTIMATE.start_main_~x~4 192), 27554#(<= ULTIMATE.start_main_~x~4 194), 27555#(<= ULTIMATE.start_main_~x~4 196), 27556#(<= ULTIMATE.start_main_~x~4 198), 27557#(<= ULTIMATE.start_main_~x~4 200), 27558#(<= ULTIMATE.start_main_~x~4 202), 27559#(<= ULTIMATE.start_main_~x~4 204), 27560#(<= ULTIMATE.start_main_~x~4 206), 27561#(<= ULTIMATE.start_main_~x~4 208), 27562#(<= ULTIMATE.start_main_~x~4 210)] [2018-07-23 13:41:53,998 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 13:41:53,998 INFO L450 AbstractCegarLoop]: Interpolant automaton has 103 states [2018-07-23 13:41:53,999 INFO L132 InterpolantAutomaton]: Constructing interpolant automaton starting with 103 interpolants. [2018-07-23 13:41:54,000 INFO L133 InterpolantAutomaton]: CoverageRelationStatistics Valid=5253, Invalid=5253, Unknown=0, NotChecked=0, Total=10506 [2018-07-23 13:41:54,000 INFO L87 Difference]: Start difference. First operand 104 states and 104 transitions. Second operand 103 states. [2018-07-23 13:41:54,057 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2018-07-23 13:41:54,057 INFO L93 Difference]: Finished difference Result 107 states and 107 transitions. [2018-07-23 13:41:54,057 INFO L142 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 103 states. [2018-07-23 13:41:54,057 INFO L78 Accepts]: Start accepts. Automaton has 103 states. Word has length 103 [2018-07-23 13:41:54,058 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2018-07-23 13:41:54,058 INFO L225 Difference]: With dead ends: 107 [2018-07-23 13:41:54,058 INFO L226 Difference]: Without dead ends: 105 [2018-07-23 13:41:54,060 INFO L575 BasicCegarLoop]: 0 DeclaredPredicates, 102 GetRequests, 1 SyntacticMatches, 0 SemanticMatches, 101 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 0 ImplicationChecksByTransitivity, 0.2s TimeCoverageRelationStatistics Valid=5253, Invalid=5253, Unknown=0, NotChecked=0, Total=10506 [2018-07-23 13:41:54,060 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 105 states. [2018-07-23 13:41:54,062 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 105 to 105. [2018-07-23 13:41:54,062 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 105 states. [2018-07-23 13:41:54,063 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 105 states to 105 states and 105 transitions. [2018-07-23 13:41:54,063 INFO L78 Accepts]: Start accepts. Automaton has 105 states and 105 transitions. Word has length 103 [2018-07-23 13:41:54,063 INFO L84 Accepts]: Finished accepts. word is rejected. [2018-07-23 13:41:54,063 INFO L471 AbstractCegarLoop]: Abstraction has 105 states and 105 transitions. [2018-07-23 13:41:54,063 INFO L472 AbstractCegarLoop]: Interpolant automaton has 103 states. [2018-07-23 13:41:54,063 INFO L276 IsEmpty]: Start isEmpty. Operand 105 states and 105 transitions. [2018-07-23 13:41:54,064 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 105 [2018-07-23 13:41:54,064 INFO L349 BasicCegarLoop]: Found error trace [2018-07-23 13:41:54,064 INFO L357 BasicCegarLoop]: trace histogram [101, 1, 1, 1] [2018-07-23 13:41:54,064 INFO L414 AbstractCegarLoop]: === Iteration 102 === [ULTIMATE.startErr0AssertViolationASSERT]=== [2018-07-23 13:41:54,064 INFO L82 PathProgramCache]: Analyzing trace with hash 174995304, now seen corresponding path program 101 times [2018-07-23 13:41:54,065 INFO L69 tionRefinementEngine]: Using refinement strategy FixedRefinementStrategy [2018-07-23 13:41:54,074 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-07-23 13:41:54,334 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 13:41:54,334 INFO L309 seRefinementStrategy]: Constructing automaton from 0 perfect and 1 imperfect interpolant sequences. [2018-07-23 13:41:54,334 INFO L324 seRefinementStrategy]: Number of different interpolants: perfect sequences [] imperfect sequences [103] total 103 [2018-07-23 13:41:54,335 INFO L142 lantAutomatonBuilder]: Constructing canonical interpolant automaton, with selfloop in false state [2018-07-23 13:41:54,335 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2018-07-23 13:41:54,335 INFO L185 omatonBuilderFactory]: Interpolants [27987#true, 27988#false, 27989#(<= ULTIMATE.start_main_~x~4 10), 27990#(<= ULTIMATE.start_main_~x~4 12), 27991#(<= ULTIMATE.start_main_~x~4 14), 27992#(<= ULTIMATE.start_main_~x~4 16), 27993#(<= ULTIMATE.start_main_~x~4 18), 27994#(<= ULTIMATE.start_main_~x~4 20), 27995#(<= ULTIMATE.start_main_~x~4 22), 27996#(<= ULTIMATE.start_main_~x~4 24), 27997#(<= ULTIMATE.start_main_~x~4 26), 27998#(<= ULTIMATE.start_main_~x~4 28), 27999#(<= ULTIMATE.start_main_~x~4 30), 28000#(<= ULTIMATE.start_main_~x~4 32), 28001#(<= ULTIMATE.start_main_~x~4 34), 28002#(<= ULTIMATE.start_main_~x~4 36), 28003#(<= ULTIMATE.start_main_~x~4 38), 28004#(<= ULTIMATE.start_main_~x~4 40), 28005#(<= ULTIMATE.start_main_~x~4 42), 28006#(<= ULTIMATE.start_main_~x~4 44), 28007#(<= ULTIMATE.start_main_~x~4 46), 28008#(<= ULTIMATE.start_main_~x~4 48), 28009#(<= ULTIMATE.start_main_~x~4 50), 28010#(<= ULTIMATE.start_main_~x~4 52), 28011#(<= ULTIMATE.start_main_~x~4 54), 28012#(<= ULTIMATE.start_main_~x~4 56), 28013#(<= ULTIMATE.start_main_~x~4 58), 28014#(<= ULTIMATE.start_main_~x~4 60), 28015#(<= ULTIMATE.start_main_~x~4 62), 28016#(<= ULTIMATE.start_main_~x~4 64), 28017#(<= ULTIMATE.start_main_~x~4 66), 28018#(<= ULTIMATE.start_main_~x~4 68), 28019#(<= ULTIMATE.start_main_~x~4 70), 28020#(<= ULTIMATE.start_main_~x~4 72), 28021#(<= ULTIMATE.start_main_~x~4 74), 28022#(<= ULTIMATE.start_main_~x~4 76), 28023#(<= ULTIMATE.start_main_~x~4 78), 28024#(<= ULTIMATE.start_main_~x~4 80), 28025#(<= ULTIMATE.start_main_~x~4 82), 28026#(<= ULTIMATE.start_main_~x~4 84), 28027#(<= ULTIMATE.start_main_~x~4 86), 28028#(<= ULTIMATE.start_main_~x~4 88), 28029#(<= ULTIMATE.start_main_~x~4 90), 28030#(<= ULTIMATE.start_main_~x~4 92), 28031#(<= ULTIMATE.start_main_~x~4 94), 28032#(<= ULTIMATE.start_main_~x~4 96), 28033#(<= ULTIMATE.start_main_~x~4 98), 28034#(<= ULTIMATE.start_main_~x~4 100), 28035#(<= ULTIMATE.start_main_~x~4 102), 28036#(<= ULTIMATE.start_main_~x~4 104), 28037#(<= ULTIMATE.start_main_~x~4 106), 28038#(<= ULTIMATE.start_main_~x~4 108), 28039#(<= ULTIMATE.start_main_~x~4 110), 28040#(<= ULTIMATE.start_main_~x~4 112), 28041#(<= ULTIMATE.start_main_~x~4 114), 28042#(<= ULTIMATE.start_main_~x~4 116), 28043#(<= ULTIMATE.start_main_~x~4 118), 28044#(<= ULTIMATE.start_main_~x~4 120), 28045#(<= ULTIMATE.start_main_~x~4 122), 28046#(<= ULTIMATE.start_main_~x~4 124), 28047#(<= ULTIMATE.start_main_~x~4 126), 28048#(<= ULTIMATE.start_main_~x~4 128), 28049#(<= ULTIMATE.start_main_~x~4 130), 28050#(<= ULTIMATE.start_main_~x~4 132), 28051#(<= ULTIMATE.start_main_~x~4 134), 28052#(<= ULTIMATE.start_main_~x~4 136), 28053#(<= ULTIMATE.start_main_~x~4 138), 28054#(<= ULTIMATE.start_main_~x~4 140), 28055#(<= ULTIMATE.start_main_~x~4 142), 28056#(<= ULTIMATE.start_main_~x~4 144), 28057#(<= ULTIMATE.start_main_~x~4 146), 28058#(<= ULTIMATE.start_main_~x~4 148), 28059#(<= ULTIMATE.start_main_~x~4 150), 28060#(<= ULTIMATE.start_main_~x~4 152), 28061#(<= ULTIMATE.start_main_~x~4 154), 28062#(<= ULTIMATE.start_main_~x~4 156), 28063#(<= ULTIMATE.start_main_~x~4 158), 28064#(<= ULTIMATE.start_main_~x~4 160), 28065#(<= ULTIMATE.start_main_~x~4 162), 28066#(<= ULTIMATE.start_main_~x~4 164), 28067#(<= ULTIMATE.start_main_~x~4 166), 28068#(<= ULTIMATE.start_main_~x~4 168), 28069#(<= ULTIMATE.start_main_~x~4 170), 28070#(<= ULTIMATE.start_main_~x~4 172), 28071#(<= ULTIMATE.start_main_~x~4 174), 28072#(<= ULTIMATE.start_main_~x~4 176), 28073#(<= ULTIMATE.start_main_~x~4 178), 28074#(<= ULTIMATE.start_main_~x~4 180), 28075#(<= ULTIMATE.start_main_~x~4 182), 28076#(<= ULTIMATE.start_main_~x~4 184), 28077#(<= ULTIMATE.start_main_~x~4 186), 28078#(<= ULTIMATE.start_main_~x~4 188), 28079#(<= ULTIMATE.start_main_~x~4 190), 28080#(<= ULTIMATE.start_main_~x~4 192), 28081#(<= ULTIMATE.start_main_~x~4 194), 28082#(<= ULTIMATE.start_main_~x~4 196), 28083#(<= ULTIMATE.start_main_~x~4 198), 28084#(<= ULTIMATE.start_main_~x~4 200), 28085#(<= ULTIMATE.start_main_~x~4 202), 28086#(<= ULTIMATE.start_main_~x~4 204), 28087#(<= ULTIMATE.start_main_~x~4 206), 28088#(<= ULTIMATE.start_main_~x~4 208), 28089#(<= ULTIMATE.start_main_~x~4 210), 28090#(<= ULTIMATE.start_main_~x~4 212)] [2018-07-23 13:41:54,335 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 13:41:54,336 INFO L450 AbstractCegarLoop]: Interpolant automaton has 104 states [2018-07-23 13:41:54,336 INFO L132 InterpolantAutomaton]: Constructing interpolant automaton starting with 104 interpolants. [2018-07-23 13:41:54,337 INFO L133 InterpolantAutomaton]: CoverageRelationStatistics Valid=5356, Invalid=5356, Unknown=0, NotChecked=0, Total=10712 [2018-07-23 13:41:54,337 INFO L87 Difference]: Start difference. First operand 105 states and 105 transitions. Second operand 104 states. [2018-07-23 13:41:54,413 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2018-07-23 13:41:54,413 INFO L93 Difference]: Finished difference Result 108 states and 108 transitions. [2018-07-23 13:41:54,413 INFO L142 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 104 states. [2018-07-23 13:41:54,413 INFO L78 Accepts]: Start accepts. Automaton has 104 states. Word has length 104 [2018-07-23 13:41:54,414 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2018-07-23 13:41:54,414 INFO L225 Difference]: With dead ends: 108 [2018-07-23 13:41:54,414 INFO L226 Difference]: Without dead ends: 106 [2018-07-23 13:41:54,416 INFO L575 BasicCegarLoop]: 0 DeclaredPredicates, 103 GetRequests, 1 SyntacticMatches, 0 SemanticMatches, 102 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 0 ImplicationChecksByTransitivity, 0.2s TimeCoverageRelationStatistics Valid=5356, Invalid=5356, Unknown=0, NotChecked=0, Total=10712 [2018-07-23 13:41:54,416 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 106 states. [2018-07-23 13:41:54,418 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 106 to 106. [2018-07-23 13:41:54,418 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 106 states. [2018-07-23 13:41:54,419 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 106 states to 106 states and 106 transitions. [2018-07-23 13:41:54,419 INFO L78 Accepts]: Start accepts. Automaton has 106 states and 106 transitions. Word has length 104 [2018-07-23 13:41:54,420 INFO L84 Accepts]: Finished accepts. word is rejected. [2018-07-23 13:41:54,420 INFO L471 AbstractCegarLoop]: Abstraction has 106 states and 106 transitions. [2018-07-23 13:41:54,420 INFO L472 AbstractCegarLoop]: Interpolant automaton has 104 states. [2018-07-23 13:41:54,420 INFO L276 IsEmpty]: Start isEmpty. Operand 106 states and 106 transitions. [2018-07-23 13:41:54,421 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 106 [2018-07-23 13:41:54,421 INFO L349 BasicCegarLoop]: Found error trace [2018-07-23 13:41:54,421 INFO L357 BasicCegarLoop]: trace histogram [102, 1, 1, 1] [2018-07-23 13:41:54,421 INFO L414 AbstractCegarLoop]: === Iteration 103 === [ULTIMATE.startErr0AssertViolationASSERT]=== [2018-07-23 13:41:54,421 INFO L82 PathProgramCache]: Analyzing trace with hash 1129885153, now seen corresponding path program 102 times [2018-07-23 13:41:54,421 INFO L69 tionRefinementEngine]: Using refinement strategy FixedRefinementStrategy [2018-07-23 13:41:54,433 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-07-23 13:41:54,727 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 13:41:54,728 INFO L309 seRefinementStrategy]: Constructing automaton from 0 perfect and 1 imperfect interpolant sequences. [2018-07-23 13:41:54,728 INFO L324 seRefinementStrategy]: Number of different interpolants: perfect sequences [] imperfect sequences [104] total 104 [2018-07-23 13:41:54,728 INFO L142 lantAutomatonBuilder]: Constructing canonical interpolant automaton, with selfloop in false state [2018-07-23 13:41:54,728 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2018-07-23 13:41:54,728 INFO L185 omatonBuilderFactory]: Interpolants [28519#true, 28520#false, 28521#(<= ULTIMATE.start_main_~x~4 10), 28522#(<= ULTIMATE.start_main_~x~4 12), 28523#(<= ULTIMATE.start_main_~x~4 14), 28524#(<= ULTIMATE.start_main_~x~4 16), 28525#(<= ULTIMATE.start_main_~x~4 18), 28526#(<= ULTIMATE.start_main_~x~4 20), 28527#(<= ULTIMATE.start_main_~x~4 22), 28528#(<= ULTIMATE.start_main_~x~4 24), 28529#(<= ULTIMATE.start_main_~x~4 26), 28530#(<= ULTIMATE.start_main_~x~4 28), 28531#(<= ULTIMATE.start_main_~x~4 30), 28532#(<= ULTIMATE.start_main_~x~4 32), 28533#(<= ULTIMATE.start_main_~x~4 34), 28534#(<= ULTIMATE.start_main_~x~4 36), 28535#(<= ULTIMATE.start_main_~x~4 38), 28536#(<= ULTIMATE.start_main_~x~4 40), 28537#(<= ULTIMATE.start_main_~x~4 42), 28538#(<= ULTIMATE.start_main_~x~4 44), 28539#(<= ULTIMATE.start_main_~x~4 46), 28540#(<= ULTIMATE.start_main_~x~4 48), 28541#(<= ULTIMATE.start_main_~x~4 50), 28542#(<= ULTIMATE.start_main_~x~4 52), 28543#(<= ULTIMATE.start_main_~x~4 54), 28544#(<= ULTIMATE.start_main_~x~4 56), 28545#(<= ULTIMATE.start_main_~x~4 58), 28546#(<= ULTIMATE.start_main_~x~4 60), 28547#(<= ULTIMATE.start_main_~x~4 62), 28548#(<= ULTIMATE.start_main_~x~4 64), 28549#(<= ULTIMATE.start_main_~x~4 66), 28550#(<= ULTIMATE.start_main_~x~4 68), 28551#(<= ULTIMATE.start_main_~x~4 70), 28552#(<= ULTIMATE.start_main_~x~4 72), 28553#(<= ULTIMATE.start_main_~x~4 74), 28554#(<= ULTIMATE.start_main_~x~4 76), 28555#(<= ULTIMATE.start_main_~x~4 78), 28556#(<= ULTIMATE.start_main_~x~4 80), 28557#(<= ULTIMATE.start_main_~x~4 82), 28558#(<= ULTIMATE.start_main_~x~4 84), 28559#(<= ULTIMATE.start_main_~x~4 86), 28560#(<= ULTIMATE.start_main_~x~4 88), 28561#(<= ULTIMATE.start_main_~x~4 90), 28562#(<= ULTIMATE.start_main_~x~4 92), 28563#(<= ULTIMATE.start_main_~x~4 94), 28564#(<= ULTIMATE.start_main_~x~4 96), 28565#(<= ULTIMATE.start_main_~x~4 98), 28566#(<= ULTIMATE.start_main_~x~4 100), 28567#(<= ULTIMATE.start_main_~x~4 102), 28568#(<= ULTIMATE.start_main_~x~4 104), 28569#(<= ULTIMATE.start_main_~x~4 106), 28570#(<= ULTIMATE.start_main_~x~4 108), 28571#(<= ULTIMATE.start_main_~x~4 110), 28572#(<= ULTIMATE.start_main_~x~4 112), 28573#(<= ULTIMATE.start_main_~x~4 114), 28574#(<= ULTIMATE.start_main_~x~4 116), 28575#(<= ULTIMATE.start_main_~x~4 118), 28576#(<= ULTIMATE.start_main_~x~4 120), 28577#(<= ULTIMATE.start_main_~x~4 122), 28578#(<= ULTIMATE.start_main_~x~4 124), 28579#(<= ULTIMATE.start_main_~x~4 126), 28580#(<= ULTIMATE.start_main_~x~4 128), 28581#(<= ULTIMATE.start_main_~x~4 130), 28582#(<= ULTIMATE.start_main_~x~4 132), 28583#(<= ULTIMATE.start_main_~x~4 134), 28584#(<= ULTIMATE.start_main_~x~4 136), 28585#(<= ULTIMATE.start_main_~x~4 138), 28586#(<= ULTIMATE.start_main_~x~4 140), 28587#(<= ULTIMATE.start_main_~x~4 142), 28588#(<= ULTIMATE.start_main_~x~4 144), 28589#(<= ULTIMATE.start_main_~x~4 146), 28590#(<= ULTIMATE.start_main_~x~4 148), 28591#(<= ULTIMATE.start_main_~x~4 150), 28592#(<= ULTIMATE.start_main_~x~4 152), 28593#(<= ULTIMATE.start_main_~x~4 154), 28594#(<= ULTIMATE.start_main_~x~4 156), 28595#(<= ULTIMATE.start_main_~x~4 158), 28596#(<= ULTIMATE.start_main_~x~4 160), 28597#(<= ULTIMATE.start_main_~x~4 162), 28598#(<= ULTIMATE.start_main_~x~4 164), 28599#(<= ULTIMATE.start_main_~x~4 166), 28600#(<= ULTIMATE.start_main_~x~4 168), 28601#(<= ULTIMATE.start_main_~x~4 170), 28602#(<= ULTIMATE.start_main_~x~4 172), 28603#(<= ULTIMATE.start_main_~x~4 174), 28604#(<= ULTIMATE.start_main_~x~4 176), 28605#(<= ULTIMATE.start_main_~x~4 178), 28606#(<= ULTIMATE.start_main_~x~4 180), 28607#(<= ULTIMATE.start_main_~x~4 182), 28608#(<= ULTIMATE.start_main_~x~4 184), 28609#(<= ULTIMATE.start_main_~x~4 186), 28610#(<= ULTIMATE.start_main_~x~4 188), 28611#(<= ULTIMATE.start_main_~x~4 190), 28612#(<= ULTIMATE.start_main_~x~4 192), 28613#(<= ULTIMATE.start_main_~x~4 194), 28614#(<= ULTIMATE.start_main_~x~4 196), 28615#(<= ULTIMATE.start_main_~x~4 198), 28616#(<= ULTIMATE.start_main_~x~4 200), 28617#(<= ULTIMATE.start_main_~x~4 202), 28618#(<= ULTIMATE.start_main_~x~4 204), 28619#(<= ULTIMATE.start_main_~x~4 206), 28620#(<= ULTIMATE.start_main_~x~4 208), 28621#(<= ULTIMATE.start_main_~x~4 210), 28622#(<= ULTIMATE.start_main_~x~4 212), 28623#(<= ULTIMATE.start_main_~x~4 214)] [2018-07-23 13:41:54,729 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 13:41:54,729 INFO L450 AbstractCegarLoop]: Interpolant automaton has 105 states [2018-07-23 13:41:54,730 INFO L132 InterpolantAutomaton]: Constructing interpolant automaton starting with 105 interpolants. [2018-07-23 13:41:54,730 INFO L133 InterpolantAutomaton]: CoverageRelationStatistics Valid=5460, Invalid=5460, Unknown=0, NotChecked=0, Total=10920 [2018-07-23 13:41:54,730 INFO L87 Difference]: Start difference. First operand 106 states and 106 transitions. Second operand 105 states. [2018-07-23 13:41:54,822 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2018-07-23 13:41:54,822 INFO L93 Difference]: Finished difference Result 109 states and 109 transitions. [2018-07-23 13:41:54,823 INFO L142 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 105 states. [2018-07-23 13:41:54,823 INFO L78 Accepts]: Start accepts. Automaton has 105 states. Word has length 105 [2018-07-23 13:41:54,823 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2018-07-23 13:41:54,823 INFO L225 Difference]: With dead ends: 109 [2018-07-23 13:41:54,823 INFO L226 Difference]: Without dead ends: 107 [2018-07-23 13:41:54,824 INFO L575 BasicCegarLoop]: 0 DeclaredPredicates, 104 GetRequests, 1 SyntacticMatches, 0 SemanticMatches, 103 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 0 ImplicationChecksByTransitivity, 0.2s TimeCoverageRelationStatistics Valid=5460, Invalid=5460, Unknown=0, NotChecked=0, Total=10920 [2018-07-23 13:41:54,824 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 107 states. [2018-07-23 13:41:54,827 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 107 to 107. [2018-07-23 13:41:54,827 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 107 states. [2018-07-23 13:41:54,827 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 107 states to 107 states and 107 transitions. [2018-07-23 13:41:54,828 INFO L78 Accepts]: Start accepts. Automaton has 107 states and 107 transitions. Word has length 105 [2018-07-23 13:41:54,828 INFO L84 Accepts]: Finished accepts. word is rejected. [2018-07-23 13:41:54,828 INFO L471 AbstractCegarLoop]: Abstraction has 107 states and 107 transitions. [2018-07-23 13:41:54,828 INFO L472 AbstractCegarLoop]: Interpolant automaton has 105 states. [2018-07-23 13:41:54,828 INFO L276 IsEmpty]: Start isEmpty. Operand 107 states and 107 transitions. [2018-07-23 13:41:54,828 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 107 [2018-07-23 13:41:54,828 INFO L349 BasicCegarLoop]: Found error trace [2018-07-23 13:41:54,829 INFO L357 BasicCegarLoop]: trace histogram [103, 1, 1, 1] [2018-07-23 13:41:54,829 INFO L414 AbstractCegarLoop]: === Iteration 104 === [ULTIMATE.startErr0AssertViolationASSERT]=== [2018-07-23 13:41:54,829 INFO L82 PathProgramCache]: Analyzing trace with hash 666699400, now seen corresponding path program 103 times [2018-07-23 13:41:54,829 INFO L69 tionRefinementEngine]: Using refinement strategy FixedRefinementStrategy [2018-07-23 13:41:54,839 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-07-23 13:41:55,068 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 13:41:55,068 INFO L309 seRefinementStrategy]: Constructing automaton from 0 perfect and 1 imperfect interpolant sequences. [2018-07-23 13:41:55,068 INFO L324 seRefinementStrategy]: Number of different interpolants: perfect sequences [] imperfect sequences [105] total 105 [2018-07-23 13:41:55,068 INFO L142 lantAutomatonBuilder]: Constructing canonical interpolant automaton, with selfloop in false state [2018-07-23 13:41:55,069 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2018-07-23 13:41:55,069 INFO L185 omatonBuilderFactory]: Interpolants [29056#true, 29057#false, 29058#(<= ULTIMATE.start_main_~x~4 10), 29059#(<= ULTIMATE.start_main_~x~4 12), 29060#(<= ULTIMATE.start_main_~x~4 14), 29061#(<= ULTIMATE.start_main_~x~4 16), 29062#(<= ULTIMATE.start_main_~x~4 18), 29063#(<= ULTIMATE.start_main_~x~4 20), 29064#(<= ULTIMATE.start_main_~x~4 22), 29065#(<= ULTIMATE.start_main_~x~4 24), 29066#(<= ULTIMATE.start_main_~x~4 26), 29067#(<= ULTIMATE.start_main_~x~4 28), 29068#(<= ULTIMATE.start_main_~x~4 30), 29069#(<= ULTIMATE.start_main_~x~4 32), 29070#(<= ULTIMATE.start_main_~x~4 34), 29071#(<= ULTIMATE.start_main_~x~4 36), 29072#(<= ULTIMATE.start_main_~x~4 38), 29073#(<= ULTIMATE.start_main_~x~4 40), 29074#(<= ULTIMATE.start_main_~x~4 42), 29075#(<= ULTIMATE.start_main_~x~4 44), 29076#(<= ULTIMATE.start_main_~x~4 46), 29077#(<= ULTIMATE.start_main_~x~4 48), 29078#(<= ULTIMATE.start_main_~x~4 50), 29079#(<= ULTIMATE.start_main_~x~4 52), 29080#(<= ULTIMATE.start_main_~x~4 54), 29081#(<= ULTIMATE.start_main_~x~4 56), 29082#(<= ULTIMATE.start_main_~x~4 58), 29083#(<= ULTIMATE.start_main_~x~4 60), 29084#(<= ULTIMATE.start_main_~x~4 62), 29085#(<= ULTIMATE.start_main_~x~4 64), 29086#(<= ULTIMATE.start_main_~x~4 66), 29087#(<= ULTIMATE.start_main_~x~4 68), 29088#(<= ULTIMATE.start_main_~x~4 70), 29089#(<= ULTIMATE.start_main_~x~4 72), 29090#(<= ULTIMATE.start_main_~x~4 74), 29091#(<= ULTIMATE.start_main_~x~4 76), 29092#(<= ULTIMATE.start_main_~x~4 78), 29093#(<= ULTIMATE.start_main_~x~4 80), 29094#(<= ULTIMATE.start_main_~x~4 82), 29095#(<= ULTIMATE.start_main_~x~4 84), 29096#(<= ULTIMATE.start_main_~x~4 86), 29097#(<= ULTIMATE.start_main_~x~4 88), 29098#(<= ULTIMATE.start_main_~x~4 90), 29099#(<= ULTIMATE.start_main_~x~4 92), 29100#(<= ULTIMATE.start_main_~x~4 94), 29101#(<= ULTIMATE.start_main_~x~4 96), 29102#(<= ULTIMATE.start_main_~x~4 98), 29103#(<= ULTIMATE.start_main_~x~4 100), 29104#(<= ULTIMATE.start_main_~x~4 102), 29105#(<= ULTIMATE.start_main_~x~4 104), 29106#(<= ULTIMATE.start_main_~x~4 106), 29107#(<= ULTIMATE.start_main_~x~4 108), 29108#(<= ULTIMATE.start_main_~x~4 110), 29109#(<= ULTIMATE.start_main_~x~4 112), 29110#(<= ULTIMATE.start_main_~x~4 114), 29111#(<= ULTIMATE.start_main_~x~4 116), 29112#(<= ULTIMATE.start_main_~x~4 118), 29113#(<= ULTIMATE.start_main_~x~4 120), 29114#(<= ULTIMATE.start_main_~x~4 122), 29115#(<= ULTIMATE.start_main_~x~4 124), 29116#(<= ULTIMATE.start_main_~x~4 126), 29117#(<= ULTIMATE.start_main_~x~4 128), 29118#(<= ULTIMATE.start_main_~x~4 130), 29119#(<= ULTIMATE.start_main_~x~4 132), 29120#(<= ULTIMATE.start_main_~x~4 134), 29121#(<= ULTIMATE.start_main_~x~4 136), 29122#(<= ULTIMATE.start_main_~x~4 138), 29123#(<= ULTIMATE.start_main_~x~4 140), 29124#(<= ULTIMATE.start_main_~x~4 142), 29125#(<= ULTIMATE.start_main_~x~4 144), 29126#(<= ULTIMATE.start_main_~x~4 146), 29127#(<= ULTIMATE.start_main_~x~4 148), 29128#(<= ULTIMATE.start_main_~x~4 150), 29129#(<= ULTIMATE.start_main_~x~4 152), 29130#(<= ULTIMATE.start_main_~x~4 154), 29131#(<= ULTIMATE.start_main_~x~4 156), 29132#(<= ULTIMATE.start_main_~x~4 158), 29133#(<= ULTIMATE.start_main_~x~4 160), 29134#(<= ULTIMATE.start_main_~x~4 162), 29135#(<= ULTIMATE.start_main_~x~4 164), 29136#(<= ULTIMATE.start_main_~x~4 166), 29137#(<= ULTIMATE.start_main_~x~4 168), 29138#(<= ULTIMATE.start_main_~x~4 170), 29139#(<= ULTIMATE.start_main_~x~4 172), 29140#(<= ULTIMATE.start_main_~x~4 174), 29141#(<= ULTIMATE.start_main_~x~4 176), 29142#(<= ULTIMATE.start_main_~x~4 178), 29143#(<= ULTIMATE.start_main_~x~4 180), 29144#(<= ULTIMATE.start_main_~x~4 182), 29145#(<= ULTIMATE.start_main_~x~4 184), 29146#(<= ULTIMATE.start_main_~x~4 186), 29147#(<= ULTIMATE.start_main_~x~4 188), 29148#(<= ULTIMATE.start_main_~x~4 190), 29149#(<= ULTIMATE.start_main_~x~4 192), 29150#(<= ULTIMATE.start_main_~x~4 194), 29151#(<= ULTIMATE.start_main_~x~4 196), 29152#(<= ULTIMATE.start_main_~x~4 198), 29153#(<= ULTIMATE.start_main_~x~4 200), 29154#(<= ULTIMATE.start_main_~x~4 202), 29155#(<= ULTIMATE.start_main_~x~4 204), 29156#(<= ULTIMATE.start_main_~x~4 206), 29157#(<= ULTIMATE.start_main_~x~4 208), 29158#(<= ULTIMATE.start_main_~x~4 210), 29159#(<= ULTIMATE.start_main_~x~4 212), 29160#(<= ULTIMATE.start_main_~x~4 214), 29161#(<= ULTIMATE.start_main_~x~4 216)] [2018-07-23 13:41:55,069 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 13:41:55,069 INFO L450 AbstractCegarLoop]: Interpolant automaton has 106 states [2018-07-23 13:41:55,070 INFO L132 InterpolantAutomaton]: Constructing interpolant automaton starting with 106 interpolants. [2018-07-23 13:41:55,071 INFO L133 InterpolantAutomaton]: CoverageRelationStatistics Valid=5565, Invalid=5565, Unknown=0, NotChecked=0, Total=11130 [2018-07-23 13:41:55,071 INFO L87 Difference]: Start difference. First operand 107 states and 107 transitions. Second operand 106 states. [2018-07-23 13:41:55,175 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2018-07-23 13:41:55,175 INFO L93 Difference]: Finished difference Result 110 states and 110 transitions. [2018-07-23 13:41:55,175 INFO L142 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 106 states. [2018-07-23 13:41:55,175 INFO L78 Accepts]: Start accepts. Automaton has 106 states. Word has length 106 [2018-07-23 13:41:55,175 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2018-07-23 13:41:55,176 INFO L225 Difference]: With dead ends: 110 [2018-07-23 13:41:55,176 INFO L226 Difference]: Without dead ends: 108 [2018-07-23 13:41:55,177 INFO L575 BasicCegarLoop]: 0 DeclaredPredicates, 105 GetRequests, 1 SyntacticMatches, 0 SemanticMatches, 104 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 0 ImplicationChecksByTransitivity, 0.1s TimeCoverageRelationStatistics Valid=5565, Invalid=5565, Unknown=0, NotChecked=0, Total=11130 [2018-07-23 13:41:55,177 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 108 states. [2018-07-23 13:41:55,180 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 108 to 108. [2018-07-23 13:41:55,180 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 108 states. [2018-07-23 13:41:55,180 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 108 states to 108 states and 108 transitions. [2018-07-23 13:41:55,181 INFO L78 Accepts]: Start accepts. Automaton has 108 states and 108 transitions. Word has length 106 [2018-07-23 13:41:55,181 INFO L84 Accepts]: Finished accepts. word is rejected. [2018-07-23 13:41:55,181 INFO L471 AbstractCegarLoop]: Abstraction has 108 states and 108 transitions. [2018-07-23 13:41:55,181 INFO L472 AbstractCegarLoop]: Interpolant automaton has 106 states. [2018-07-23 13:41:55,181 INFO L276 IsEmpty]: Start isEmpty. Operand 108 states and 108 transitions. [2018-07-23 13:41:55,181 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 108 [2018-07-23 13:41:55,182 INFO L349 BasicCegarLoop]: Found error trace [2018-07-23 13:41:55,182 INFO L357 BasicCegarLoop]: trace histogram [104, 1, 1, 1] [2018-07-23 13:41:55,182 INFO L414 AbstractCegarLoop]: === Iteration 105 === [ULTIMATE.startErr0AssertViolationASSERT]=== [2018-07-23 13:41:55,182 INFO L82 PathProgramCache]: Analyzing trace with hash -807157055, now seen corresponding path program 104 times [2018-07-23 13:41:55,182 INFO L69 tionRefinementEngine]: Using refinement strategy FixedRefinementStrategy [2018-07-23 13:41:55,193 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-07-23 13:41:55,423 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 13:41:55,423 INFO L309 seRefinementStrategy]: Constructing automaton from 0 perfect and 1 imperfect interpolant sequences. [2018-07-23 13:41:55,423 INFO L324 seRefinementStrategy]: Number of different interpolants: perfect sequences [] imperfect sequences [106] total 106 [2018-07-23 13:41:55,423 INFO L142 lantAutomatonBuilder]: Constructing canonical interpolant automaton, with selfloop in false state [2018-07-23 13:41:55,423 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2018-07-23 13:41:55,424 INFO L185 omatonBuilderFactory]: Interpolants [29696#(<= ULTIMATE.start_main_~x~4 202), 29697#(<= ULTIMATE.start_main_~x~4 204), 29698#(<= ULTIMATE.start_main_~x~4 206), 29699#(<= ULTIMATE.start_main_~x~4 208), 29700#(<= ULTIMATE.start_main_~x~4 210), 29701#(<= ULTIMATE.start_main_~x~4 212), 29702#(<= ULTIMATE.start_main_~x~4 214), 29703#(<= ULTIMATE.start_main_~x~4 216), 29704#(<= ULTIMATE.start_main_~x~4 218), 29598#true, 29599#false, 29600#(<= ULTIMATE.start_main_~x~4 10), 29601#(<= ULTIMATE.start_main_~x~4 12), 29602#(<= ULTIMATE.start_main_~x~4 14), 29603#(<= ULTIMATE.start_main_~x~4 16), 29604#(<= ULTIMATE.start_main_~x~4 18), 29605#(<= ULTIMATE.start_main_~x~4 20), 29606#(<= ULTIMATE.start_main_~x~4 22), 29607#(<= ULTIMATE.start_main_~x~4 24), 29608#(<= ULTIMATE.start_main_~x~4 26), 29609#(<= ULTIMATE.start_main_~x~4 28), 29610#(<= ULTIMATE.start_main_~x~4 30), 29611#(<= ULTIMATE.start_main_~x~4 32), 29612#(<= ULTIMATE.start_main_~x~4 34), 29613#(<= ULTIMATE.start_main_~x~4 36), 29614#(<= ULTIMATE.start_main_~x~4 38), 29615#(<= ULTIMATE.start_main_~x~4 40), 29616#(<= ULTIMATE.start_main_~x~4 42), 29617#(<= ULTIMATE.start_main_~x~4 44), 29618#(<= ULTIMATE.start_main_~x~4 46), 29619#(<= ULTIMATE.start_main_~x~4 48), 29620#(<= ULTIMATE.start_main_~x~4 50), 29621#(<= ULTIMATE.start_main_~x~4 52), 29622#(<= ULTIMATE.start_main_~x~4 54), 29623#(<= ULTIMATE.start_main_~x~4 56), 29624#(<= ULTIMATE.start_main_~x~4 58), 29625#(<= ULTIMATE.start_main_~x~4 60), 29626#(<= ULTIMATE.start_main_~x~4 62), 29627#(<= ULTIMATE.start_main_~x~4 64), 29628#(<= ULTIMATE.start_main_~x~4 66), 29629#(<= ULTIMATE.start_main_~x~4 68), 29630#(<= ULTIMATE.start_main_~x~4 70), 29631#(<= ULTIMATE.start_main_~x~4 72), 29632#(<= ULTIMATE.start_main_~x~4 74), 29633#(<= ULTIMATE.start_main_~x~4 76), 29634#(<= ULTIMATE.start_main_~x~4 78), 29635#(<= ULTIMATE.start_main_~x~4 80), 29636#(<= ULTIMATE.start_main_~x~4 82), 29637#(<= ULTIMATE.start_main_~x~4 84), 29638#(<= ULTIMATE.start_main_~x~4 86), 29639#(<= ULTIMATE.start_main_~x~4 88), 29640#(<= ULTIMATE.start_main_~x~4 90), 29641#(<= ULTIMATE.start_main_~x~4 92), 29642#(<= ULTIMATE.start_main_~x~4 94), 29643#(<= ULTIMATE.start_main_~x~4 96), 29644#(<= ULTIMATE.start_main_~x~4 98), 29645#(<= ULTIMATE.start_main_~x~4 100), 29646#(<= ULTIMATE.start_main_~x~4 102), 29647#(<= ULTIMATE.start_main_~x~4 104), 29648#(<= ULTIMATE.start_main_~x~4 106), 29649#(<= ULTIMATE.start_main_~x~4 108), 29650#(<= ULTIMATE.start_main_~x~4 110), 29651#(<= ULTIMATE.start_main_~x~4 112), 29652#(<= ULTIMATE.start_main_~x~4 114), 29653#(<= ULTIMATE.start_main_~x~4 116), 29654#(<= ULTIMATE.start_main_~x~4 118), 29655#(<= ULTIMATE.start_main_~x~4 120), 29656#(<= ULTIMATE.start_main_~x~4 122), 29657#(<= ULTIMATE.start_main_~x~4 124), 29658#(<= ULTIMATE.start_main_~x~4 126), 29659#(<= ULTIMATE.start_main_~x~4 128), 29660#(<= ULTIMATE.start_main_~x~4 130), 29661#(<= ULTIMATE.start_main_~x~4 132), 29662#(<= ULTIMATE.start_main_~x~4 134), 29663#(<= ULTIMATE.start_main_~x~4 136), 29664#(<= ULTIMATE.start_main_~x~4 138), 29665#(<= ULTIMATE.start_main_~x~4 140), 29666#(<= ULTIMATE.start_main_~x~4 142), 29667#(<= ULTIMATE.start_main_~x~4 144), 29668#(<= ULTIMATE.start_main_~x~4 146), 29669#(<= ULTIMATE.start_main_~x~4 148), 29670#(<= ULTIMATE.start_main_~x~4 150), 29671#(<= ULTIMATE.start_main_~x~4 152), 29672#(<= ULTIMATE.start_main_~x~4 154), 29673#(<= ULTIMATE.start_main_~x~4 156), 29674#(<= ULTIMATE.start_main_~x~4 158), 29675#(<= ULTIMATE.start_main_~x~4 160), 29676#(<= ULTIMATE.start_main_~x~4 162), 29677#(<= ULTIMATE.start_main_~x~4 164), 29678#(<= ULTIMATE.start_main_~x~4 166), 29679#(<= ULTIMATE.start_main_~x~4 168), 29680#(<= ULTIMATE.start_main_~x~4 170), 29681#(<= ULTIMATE.start_main_~x~4 172), 29682#(<= ULTIMATE.start_main_~x~4 174), 29683#(<= ULTIMATE.start_main_~x~4 176), 29684#(<= ULTIMATE.start_main_~x~4 178), 29685#(<= ULTIMATE.start_main_~x~4 180), 29686#(<= ULTIMATE.start_main_~x~4 182), 29687#(<= ULTIMATE.start_main_~x~4 184), 29688#(<= ULTIMATE.start_main_~x~4 186), 29689#(<= ULTIMATE.start_main_~x~4 188), 29690#(<= ULTIMATE.start_main_~x~4 190), 29691#(<= ULTIMATE.start_main_~x~4 192), 29692#(<= ULTIMATE.start_main_~x~4 194), 29693#(<= ULTIMATE.start_main_~x~4 196), 29694#(<= ULTIMATE.start_main_~x~4 198), 29695#(<= ULTIMATE.start_main_~x~4 200)] [2018-07-23 13:41:55,424 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 13:41:55,424 INFO L450 AbstractCegarLoop]: Interpolant automaton has 107 states [2018-07-23 13:41:55,425 INFO L132 InterpolantAutomaton]: Constructing interpolant automaton starting with 107 interpolants. [2018-07-23 13:41:55,426 INFO L133 InterpolantAutomaton]: CoverageRelationStatistics Valid=5671, Invalid=5671, Unknown=0, NotChecked=0, Total=11342 [2018-07-23 13:41:55,426 INFO L87 Difference]: Start difference. First operand 108 states and 108 transitions. Second operand 107 states. [2018-07-23 13:41:55,519 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2018-07-23 13:41:55,520 INFO L93 Difference]: Finished difference Result 111 states and 111 transitions. [2018-07-23 13:41:55,520 INFO L142 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 107 states. [2018-07-23 13:41:55,520 INFO L78 Accepts]: Start accepts. Automaton has 107 states. Word has length 107 [2018-07-23 13:41:55,520 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2018-07-23 13:41:55,521 INFO L225 Difference]: With dead ends: 111 [2018-07-23 13:41:55,521 INFO L226 Difference]: Without dead ends: 109 [2018-07-23 13:41:55,522 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 13:41:55,523 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 109 states. [2018-07-23 13:41:55,525 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 109 to 109. [2018-07-23 13:41:55,525 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 109 states. [2018-07-23 13:41:55,526 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 109 states to 109 states and 109 transitions. [2018-07-23 13:41:55,526 INFO L78 Accepts]: Start accepts. Automaton has 109 states and 109 transitions. Word has length 107 [2018-07-23 13:41:55,526 INFO L84 Accepts]: Finished accepts. word is rejected. [2018-07-23 13:41:55,526 INFO L471 AbstractCegarLoop]: Abstraction has 109 states and 109 transitions. [2018-07-23 13:41:55,526 INFO L472 AbstractCegarLoop]: Interpolant automaton has 107 states. [2018-07-23 13:41:55,526 INFO L276 IsEmpty]: Start isEmpty. Operand 109 states and 109 transitions. [2018-07-23 13:41:55,527 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 109 [2018-07-23 13:41:55,527 INFO L349 BasicCegarLoop]: Found error trace [2018-07-23 13:41:55,527 INFO L357 BasicCegarLoop]: trace histogram [105, 1, 1, 1] [2018-07-23 13:41:55,527 INFO L414 AbstractCegarLoop]: === Iteration 106 === [ULTIMATE.startErr0AssertViolationASSERT]=== [2018-07-23 13:41:55,528 INFO L82 PathProgramCache]: Analyzing trace with hash 747933096, now seen corresponding path program 105 times [2018-07-23 13:41:55,528 INFO L69 tionRefinementEngine]: Using refinement strategy FixedRefinementStrategy [2018-07-23 13:41:55,540 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-07-23 13:41:55,813 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 13:41:55,814 INFO L309 seRefinementStrategy]: Constructing automaton from 0 perfect and 1 imperfect interpolant sequences. [2018-07-23 13:41:55,814 INFO L324 seRefinementStrategy]: Number of different interpolants: perfect sequences [] imperfect sequences [107] total 107 [2018-07-23 13:41:55,814 INFO L142 lantAutomatonBuilder]: Constructing canonical interpolant automaton, with selfloop in false state [2018-07-23 13:41:55,814 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2018-07-23 13:41:55,814 INFO L185 omatonBuilderFactory]: Interpolants [30208#(<= ULTIMATE.start_main_~x~4 132), 30209#(<= ULTIMATE.start_main_~x~4 134), 30210#(<= ULTIMATE.start_main_~x~4 136), 30211#(<= ULTIMATE.start_main_~x~4 138), 30212#(<= ULTIMATE.start_main_~x~4 140), 30213#(<= ULTIMATE.start_main_~x~4 142), 30214#(<= ULTIMATE.start_main_~x~4 144), 30215#(<= ULTIMATE.start_main_~x~4 146), 30216#(<= ULTIMATE.start_main_~x~4 148), 30217#(<= ULTIMATE.start_main_~x~4 150), 30218#(<= ULTIMATE.start_main_~x~4 152), 30219#(<= ULTIMATE.start_main_~x~4 154), 30220#(<= ULTIMATE.start_main_~x~4 156), 30221#(<= ULTIMATE.start_main_~x~4 158), 30222#(<= ULTIMATE.start_main_~x~4 160), 30223#(<= ULTIMATE.start_main_~x~4 162), 30224#(<= ULTIMATE.start_main_~x~4 164), 30225#(<= ULTIMATE.start_main_~x~4 166), 30226#(<= ULTIMATE.start_main_~x~4 168), 30227#(<= ULTIMATE.start_main_~x~4 170), 30228#(<= ULTIMATE.start_main_~x~4 172), 30229#(<= ULTIMATE.start_main_~x~4 174), 30230#(<= ULTIMATE.start_main_~x~4 176), 30231#(<= ULTIMATE.start_main_~x~4 178), 30232#(<= ULTIMATE.start_main_~x~4 180), 30233#(<= ULTIMATE.start_main_~x~4 182), 30234#(<= ULTIMATE.start_main_~x~4 184), 30235#(<= ULTIMATE.start_main_~x~4 186), 30236#(<= ULTIMATE.start_main_~x~4 188), 30237#(<= ULTIMATE.start_main_~x~4 190), 30238#(<= ULTIMATE.start_main_~x~4 192), 30239#(<= ULTIMATE.start_main_~x~4 194), 30240#(<= ULTIMATE.start_main_~x~4 196), 30241#(<= ULTIMATE.start_main_~x~4 198), 30242#(<= ULTIMATE.start_main_~x~4 200), 30243#(<= ULTIMATE.start_main_~x~4 202), 30244#(<= ULTIMATE.start_main_~x~4 204), 30245#(<= ULTIMATE.start_main_~x~4 206), 30246#(<= ULTIMATE.start_main_~x~4 208), 30247#(<= ULTIMATE.start_main_~x~4 210), 30248#(<= ULTIMATE.start_main_~x~4 212), 30249#(<= ULTIMATE.start_main_~x~4 214), 30250#(<= ULTIMATE.start_main_~x~4 216), 30251#(<= ULTIMATE.start_main_~x~4 218), 30252#(<= ULTIMATE.start_main_~x~4 220), 30145#true, 30146#false, 30147#(<= ULTIMATE.start_main_~x~4 10), 30148#(<= ULTIMATE.start_main_~x~4 12), 30149#(<= ULTIMATE.start_main_~x~4 14), 30150#(<= ULTIMATE.start_main_~x~4 16), 30151#(<= ULTIMATE.start_main_~x~4 18), 30152#(<= ULTIMATE.start_main_~x~4 20), 30153#(<= ULTIMATE.start_main_~x~4 22), 30154#(<= ULTIMATE.start_main_~x~4 24), 30155#(<= ULTIMATE.start_main_~x~4 26), 30156#(<= ULTIMATE.start_main_~x~4 28), 30157#(<= ULTIMATE.start_main_~x~4 30), 30158#(<= ULTIMATE.start_main_~x~4 32), 30159#(<= ULTIMATE.start_main_~x~4 34), 30160#(<= ULTIMATE.start_main_~x~4 36), 30161#(<= ULTIMATE.start_main_~x~4 38), 30162#(<= ULTIMATE.start_main_~x~4 40), 30163#(<= ULTIMATE.start_main_~x~4 42), 30164#(<= ULTIMATE.start_main_~x~4 44), 30165#(<= ULTIMATE.start_main_~x~4 46), 30166#(<= ULTIMATE.start_main_~x~4 48), 30167#(<= ULTIMATE.start_main_~x~4 50), 30168#(<= ULTIMATE.start_main_~x~4 52), 30169#(<= ULTIMATE.start_main_~x~4 54), 30170#(<= ULTIMATE.start_main_~x~4 56), 30171#(<= ULTIMATE.start_main_~x~4 58), 30172#(<= ULTIMATE.start_main_~x~4 60), 30173#(<= ULTIMATE.start_main_~x~4 62), 30174#(<= ULTIMATE.start_main_~x~4 64), 30175#(<= ULTIMATE.start_main_~x~4 66), 30176#(<= ULTIMATE.start_main_~x~4 68), 30177#(<= ULTIMATE.start_main_~x~4 70), 30178#(<= ULTIMATE.start_main_~x~4 72), 30179#(<= ULTIMATE.start_main_~x~4 74), 30180#(<= ULTIMATE.start_main_~x~4 76), 30181#(<= ULTIMATE.start_main_~x~4 78), 30182#(<= ULTIMATE.start_main_~x~4 80), 30183#(<= ULTIMATE.start_main_~x~4 82), 30184#(<= ULTIMATE.start_main_~x~4 84), 30185#(<= ULTIMATE.start_main_~x~4 86), 30186#(<= ULTIMATE.start_main_~x~4 88), 30187#(<= ULTIMATE.start_main_~x~4 90), 30188#(<= ULTIMATE.start_main_~x~4 92), 30189#(<= ULTIMATE.start_main_~x~4 94), 30190#(<= ULTIMATE.start_main_~x~4 96), 30191#(<= ULTIMATE.start_main_~x~4 98), 30192#(<= ULTIMATE.start_main_~x~4 100), 30193#(<= ULTIMATE.start_main_~x~4 102), 30194#(<= ULTIMATE.start_main_~x~4 104), 30195#(<= ULTIMATE.start_main_~x~4 106), 30196#(<= ULTIMATE.start_main_~x~4 108), 30197#(<= ULTIMATE.start_main_~x~4 110), 30198#(<= ULTIMATE.start_main_~x~4 112), 30199#(<= ULTIMATE.start_main_~x~4 114), 30200#(<= ULTIMATE.start_main_~x~4 116), 30201#(<= ULTIMATE.start_main_~x~4 118), 30202#(<= ULTIMATE.start_main_~x~4 120), 30203#(<= ULTIMATE.start_main_~x~4 122), 30204#(<= ULTIMATE.start_main_~x~4 124), 30205#(<= ULTIMATE.start_main_~x~4 126), 30206#(<= ULTIMATE.start_main_~x~4 128), 30207#(<= ULTIMATE.start_main_~x~4 130)] [2018-07-23 13:41:55,815 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 13:41:55,815 INFO L450 AbstractCegarLoop]: Interpolant automaton has 108 states [2018-07-23 13:41:55,816 INFO L132 InterpolantAutomaton]: Constructing interpolant automaton starting with 108 interpolants. [2018-07-23 13:41:55,817 INFO L133 InterpolantAutomaton]: CoverageRelationStatistics Valid=5778, Invalid=5778, Unknown=0, NotChecked=0, Total=11556 [2018-07-23 13:41:55,817 INFO L87 Difference]: Start difference. First operand 109 states and 109 transitions. Second operand 108 states. [2018-07-23 13:41:55,891 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2018-07-23 13:41:55,892 INFO L93 Difference]: Finished difference Result 112 states and 112 transitions. [2018-07-23 13:41:55,892 INFO L142 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 108 states. [2018-07-23 13:41:55,892 INFO L78 Accepts]: Start accepts. Automaton has 108 states. Word has length 108 [2018-07-23 13:41:55,892 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2018-07-23 13:41:55,893 INFO L225 Difference]: With dead ends: 112 [2018-07-23 13:41:55,893 INFO L226 Difference]: Without dead ends: 110 [2018-07-23 13:41:55,894 INFO L575 BasicCegarLoop]: 0 DeclaredPredicates, 107 GetRequests, 1 SyntacticMatches, 0 SemanticMatches, 106 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 0 ImplicationChecksByTransitivity, 0.2s TimeCoverageRelationStatistics Valid=5778, Invalid=5778, Unknown=0, NotChecked=0, Total=11556 [2018-07-23 13:41:55,894 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 110 states. [2018-07-23 13:41:55,896 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 110 to 110. [2018-07-23 13:41:55,896 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 110 states. [2018-07-23 13:41:55,897 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 110 states to 110 states and 110 transitions. [2018-07-23 13:41:55,897 INFO L78 Accepts]: Start accepts. Automaton has 110 states and 110 transitions. Word has length 108 [2018-07-23 13:41:55,897 INFO L84 Accepts]: Finished accepts. word is rejected. [2018-07-23 13:41:55,897 INFO L471 AbstractCegarLoop]: Abstraction has 110 states and 110 transitions. [2018-07-23 13:41:55,897 INFO L472 AbstractCegarLoop]: Interpolant automaton has 108 states. [2018-07-23 13:41:55,898 INFO L276 IsEmpty]: Start isEmpty. Operand 110 states and 110 transitions. [2018-07-23 13:41:55,898 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 110 [2018-07-23 13:41:55,898 INFO L349 BasicCegarLoop]: Found error trace [2018-07-23 13:41:55,898 INFO L357 BasicCegarLoop]: trace histogram [106, 1, 1, 1] [2018-07-23 13:41:55,898 INFO L414 AbstractCegarLoop]: === Iteration 107 === [ULTIMATE.startErr0AssertViolationASSERT]=== [2018-07-23 13:41:55,899 INFO L82 PathProgramCache]: Analyzing trace with hash 1711087521, now seen corresponding path program 106 times [2018-07-23 13:41:55,899 INFO L69 tionRefinementEngine]: Using refinement strategy FixedRefinementStrategy [2018-07-23 13:41:55,911 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-07-23 13:41:56,165 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 13:41:56,166 INFO L309 seRefinementStrategy]: Constructing automaton from 0 perfect and 1 imperfect interpolant sequences. [2018-07-23 13:41:56,166 INFO L324 seRefinementStrategy]: Number of different interpolants: perfect sequences [] imperfect sequences [108] total 108 [2018-07-23 13:41:56,166 INFO L142 lantAutomatonBuilder]: Constructing canonical interpolant automaton, with selfloop in false state [2018-07-23 13:41:56,166 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2018-07-23 13:41:56,166 INFO L185 omatonBuilderFactory]: Interpolants [30720#(<= ULTIMATE.start_main_~x~4 52), 30721#(<= ULTIMATE.start_main_~x~4 54), 30722#(<= ULTIMATE.start_main_~x~4 56), 30723#(<= ULTIMATE.start_main_~x~4 58), 30724#(<= ULTIMATE.start_main_~x~4 60), 30725#(<= ULTIMATE.start_main_~x~4 62), 30726#(<= ULTIMATE.start_main_~x~4 64), 30727#(<= ULTIMATE.start_main_~x~4 66), 30728#(<= ULTIMATE.start_main_~x~4 68), 30729#(<= ULTIMATE.start_main_~x~4 70), 30730#(<= ULTIMATE.start_main_~x~4 72), 30731#(<= ULTIMATE.start_main_~x~4 74), 30732#(<= ULTIMATE.start_main_~x~4 76), 30733#(<= ULTIMATE.start_main_~x~4 78), 30734#(<= ULTIMATE.start_main_~x~4 80), 30735#(<= ULTIMATE.start_main_~x~4 82), 30736#(<= ULTIMATE.start_main_~x~4 84), 30737#(<= ULTIMATE.start_main_~x~4 86), 30738#(<= ULTIMATE.start_main_~x~4 88), 30739#(<= ULTIMATE.start_main_~x~4 90), 30740#(<= ULTIMATE.start_main_~x~4 92), 30741#(<= ULTIMATE.start_main_~x~4 94), 30742#(<= ULTIMATE.start_main_~x~4 96), 30743#(<= ULTIMATE.start_main_~x~4 98), 30744#(<= ULTIMATE.start_main_~x~4 100), 30745#(<= ULTIMATE.start_main_~x~4 102), 30746#(<= ULTIMATE.start_main_~x~4 104), 30747#(<= ULTIMATE.start_main_~x~4 106), 30748#(<= ULTIMATE.start_main_~x~4 108), 30749#(<= ULTIMATE.start_main_~x~4 110), 30750#(<= ULTIMATE.start_main_~x~4 112), 30751#(<= ULTIMATE.start_main_~x~4 114), 30752#(<= ULTIMATE.start_main_~x~4 116), 30753#(<= ULTIMATE.start_main_~x~4 118), 30754#(<= ULTIMATE.start_main_~x~4 120), 30755#(<= ULTIMATE.start_main_~x~4 122), 30756#(<= ULTIMATE.start_main_~x~4 124), 30757#(<= ULTIMATE.start_main_~x~4 126), 30758#(<= ULTIMATE.start_main_~x~4 128), 30759#(<= ULTIMATE.start_main_~x~4 130), 30760#(<= ULTIMATE.start_main_~x~4 132), 30761#(<= ULTIMATE.start_main_~x~4 134), 30762#(<= ULTIMATE.start_main_~x~4 136), 30763#(<= ULTIMATE.start_main_~x~4 138), 30764#(<= ULTIMATE.start_main_~x~4 140), 30765#(<= ULTIMATE.start_main_~x~4 142), 30766#(<= ULTIMATE.start_main_~x~4 144), 30767#(<= ULTIMATE.start_main_~x~4 146), 30768#(<= ULTIMATE.start_main_~x~4 148), 30769#(<= ULTIMATE.start_main_~x~4 150), 30770#(<= ULTIMATE.start_main_~x~4 152), 30771#(<= ULTIMATE.start_main_~x~4 154), 30772#(<= ULTIMATE.start_main_~x~4 156), 30773#(<= ULTIMATE.start_main_~x~4 158), 30774#(<= ULTIMATE.start_main_~x~4 160), 30775#(<= ULTIMATE.start_main_~x~4 162), 30776#(<= ULTIMATE.start_main_~x~4 164), 30777#(<= ULTIMATE.start_main_~x~4 166), 30778#(<= ULTIMATE.start_main_~x~4 168), 30779#(<= ULTIMATE.start_main_~x~4 170), 30780#(<= ULTIMATE.start_main_~x~4 172), 30781#(<= ULTIMATE.start_main_~x~4 174), 30782#(<= ULTIMATE.start_main_~x~4 176), 30783#(<= ULTIMATE.start_main_~x~4 178), 30784#(<= ULTIMATE.start_main_~x~4 180), 30785#(<= ULTIMATE.start_main_~x~4 182), 30786#(<= ULTIMATE.start_main_~x~4 184), 30787#(<= ULTIMATE.start_main_~x~4 186), 30788#(<= ULTIMATE.start_main_~x~4 188), 30789#(<= ULTIMATE.start_main_~x~4 190), 30790#(<= ULTIMATE.start_main_~x~4 192), 30791#(<= ULTIMATE.start_main_~x~4 194), 30792#(<= ULTIMATE.start_main_~x~4 196), 30793#(<= ULTIMATE.start_main_~x~4 198), 30794#(<= ULTIMATE.start_main_~x~4 200), 30795#(<= ULTIMATE.start_main_~x~4 202), 30796#(<= ULTIMATE.start_main_~x~4 204), 30797#(<= ULTIMATE.start_main_~x~4 206), 30798#(<= ULTIMATE.start_main_~x~4 208), 30799#(<= ULTIMATE.start_main_~x~4 210), 30800#(<= ULTIMATE.start_main_~x~4 212), 30801#(<= ULTIMATE.start_main_~x~4 214), 30802#(<= ULTIMATE.start_main_~x~4 216), 30803#(<= ULTIMATE.start_main_~x~4 218), 30804#(<= ULTIMATE.start_main_~x~4 220), 30805#(<= ULTIMATE.start_main_~x~4 222), 30697#true, 30698#false, 30699#(<= ULTIMATE.start_main_~x~4 10), 30700#(<= ULTIMATE.start_main_~x~4 12), 30701#(<= ULTIMATE.start_main_~x~4 14), 30702#(<= ULTIMATE.start_main_~x~4 16), 30703#(<= ULTIMATE.start_main_~x~4 18), 30704#(<= ULTIMATE.start_main_~x~4 20), 30705#(<= ULTIMATE.start_main_~x~4 22), 30706#(<= ULTIMATE.start_main_~x~4 24), 30707#(<= ULTIMATE.start_main_~x~4 26), 30708#(<= ULTIMATE.start_main_~x~4 28), 30709#(<= ULTIMATE.start_main_~x~4 30), 30710#(<= ULTIMATE.start_main_~x~4 32), 30711#(<= ULTIMATE.start_main_~x~4 34), 30712#(<= ULTIMATE.start_main_~x~4 36), 30713#(<= ULTIMATE.start_main_~x~4 38), 30714#(<= ULTIMATE.start_main_~x~4 40), 30715#(<= ULTIMATE.start_main_~x~4 42), 30716#(<= ULTIMATE.start_main_~x~4 44), 30717#(<= ULTIMATE.start_main_~x~4 46), 30718#(<= ULTIMATE.start_main_~x~4 48), 30719#(<= ULTIMATE.start_main_~x~4 50)] [2018-07-23 13:41:56,167 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 13:41:56,167 INFO L450 AbstractCegarLoop]: Interpolant automaton has 109 states [2018-07-23 13:41:56,168 INFO L132 InterpolantAutomaton]: Constructing interpolant automaton starting with 109 interpolants. [2018-07-23 13:41:56,168 INFO L133 InterpolantAutomaton]: CoverageRelationStatistics Valid=5886, Invalid=5886, Unknown=0, NotChecked=0, Total=11772 [2018-07-23 13:41:56,169 INFO L87 Difference]: Start difference. First operand 110 states and 110 transitions. Second operand 109 states. [2018-07-23 13:41:56,266 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2018-07-23 13:41:56,267 INFO L93 Difference]: Finished difference Result 113 states and 113 transitions. [2018-07-23 13:41:56,267 INFO L142 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 109 states. [2018-07-23 13:41:56,267 INFO L78 Accepts]: Start accepts. Automaton has 109 states. Word has length 109 [2018-07-23 13:41:56,267 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2018-07-23 13:41:56,267 INFO L225 Difference]: With dead ends: 113 [2018-07-23 13:41:56,268 INFO L226 Difference]: Without dead ends: 111 [2018-07-23 13:41:56,269 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 13:41:56,269 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 111 states. [2018-07-23 13:41:56,272 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 111 to 111. [2018-07-23 13:41:56,272 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 111 states. [2018-07-23 13:41:56,273 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 111 states to 111 states and 111 transitions. [2018-07-23 13:41:56,273 INFO L78 Accepts]: Start accepts. Automaton has 111 states and 111 transitions. Word has length 109 [2018-07-23 13:41:56,273 INFO L84 Accepts]: Finished accepts. word is rejected. [2018-07-23 13:41:56,273 INFO L471 AbstractCegarLoop]: Abstraction has 111 states and 111 transitions. [2018-07-23 13:41:56,273 INFO L472 AbstractCegarLoop]: Interpolant automaton has 109 states. [2018-07-23 13:41:56,273 INFO L276 IsEmpty]: Start isEmpty. Operand 111 states and 111 transitions. [2018-07-23 13:41:56,274 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 111 [2018-07-23 13:41:56,274 INFO L349 BasicCegarLoop]: Found error trace [2018-07-23 13:41:56,274 INFO L357 BasicCegarLoop]: trace histogram [107, 1, 1, 1] [2018-07-23 13:41:56,274 INFO L414 AbstractCegarLoop]: === Iteration 108 === [ULTIMATE.startErr0AssertViolationASSERT]=== [2018-07-23 13:41:56,275 INFO L82 PathProgramCache]: Analyzing trace with hash 1504103624, now seen corresponding path program 107 times [2018-07-23 13:41:56,275 INFO L69 tionRefinementEngine]: Using refinement strategy FixedRefinementStrategy [2018-07-23 13:41:56,290 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-07-23 13:41:56,565 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 13:41:56,566 INFO L309 seRefinementStrategy]: Constructing automaton from 0 perfect and 1 imperfect interpolant sequences. [2018-07-23 13:41:56,566 INFO L324 seRefinementStrategy]: Number of different interpolants: perfect sequences [] imperfect sequences [109] total 109 [2018-07-23 13:41:56,566 INFO L142 lantAutomatonBuilder]: Constructing canonical interpolant automaton, with selfloop in false state [2018-07-23 13:41:56,566 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2018-07-23 13:41:56,566 INFO L185 omatonBuilderFactory]: Interpolants [31254#true, 31255#false, 31256#(<= ULTIMATE.start_main_~x~4 10), 31257#(<= ULTIMATE.start_main_~x~4 12), 31258#(<= ULTIMATE.start_main_~x~4 14), 31259#(<= ULTIMATE.start_main_~x~4 16), 31260#(<= ULTIMATE.start_main_~x~4 18), 31261#(<= ULTIMATE.start_main_~x~4 20), 31262#(<= ULTIMATE.start_main_~x~4 22), 31263#(<= ULTIMATE.start_main_~x~4 24), 31264#(<= ULTIMATE.start_main_~x~4 26), 31265#(<= ULTIMATE.start_main_~x~4 28), 31266#(<= ULTIMATE.start_main_~x~4 30), 31267#(<= ULTIMATE.start_main_~x~4 32), 31268#(<= ULTIMATE.start_main_~x~4 34), 31269#(<= ULTIMATE.start_main_~x~4 36), 31270#(<= ULTIMATE.start_main_~x~4 38), 31271#(<= ULTIMATE.start_main_~x~4 40), 31272#(<= ULTIMATE.start_main_~x~4 42), 31273#(<= ULTIMATE.start_main_~x~4 44), 31274#(<= ULTIMATE.start_main_~x~4 46), 31275#(<= ULTIMATE.start_main_~x~4 48), 31276#(<= ULTIMATE.start_main_~x~4 50), 31277#(<= ULTIMATE.start_main_~x~4 52), 31278#(<= ULTIMATE.start_main_~x~4 54), 31279#(<= ULTIMATE.start_main_~x~4 56), 31280#(<= ULTIMATE.start_main_~x~4 58), 31281#(<= ULTIMATE.start_main_~x~4 60), 31282#(<= ULTIMATE.start_main_~x~4 62), 31283#(<= ULTIMATE.start_main_~x~4 64), 31284#(<= ULTIMATE.start_main_~x~4 66), 31285#(<= ULTIMATE.start_main_~x~4 68), 31286#(<= ULTIMATE.start_main_~x~4 70), 31287#(<= ULTIMATE.start_main_~x~4 72), 31288#(<= ULTIMATE.start_main_~x~4 74), 31289#(<= ULTIMATE.start_main_~x~4 76), 31290#(<= ULTIMATE.start_main_~x~4 78), 31291#(<= ULTIMATE.start_main_~x~4 80), 31292#(<= ULTIMATE.start_main_~x~4 82), 31293#(<= ULTIMATE.start_main_~x~4 84), 31294#(<= ULTIMATE.start_main_~x~4 86), 31295#(<= ULTIMATE.start_main_~x~4 88), 31296#(<= ULTIMATE.start_main_~x~4 90), 31297#(<= ULTIMATE.start_main_~x~4 92), 31298#(<= ULTIMATE.start_main_~x~4 94), 31299#(<= ULTIMATE.start_main_~x~4 96), 31300#(<= ULTIMATE.start_main_~x~4 98), 31301#(<= ULTIMATE.start_main_~x~4 100), 31302#(<= ULTIMATE.start_main_~x~4 102), 31303#(<= ULTIMATE.start_main_~x~4 104), 31304#(<= ULTIMATE.start_main_~x~4 106), 31305#(<= ULTIMATE.start_main_~x~4 108), 31306#(<= ULTIMATE.start_main_~x~4 110), 31307#(<= ULTIMATE.start_main_~x~4 112), 31308#(<= ULTIMATE.start_main_~x~4 114), 31309#(<= ULTIMATE.start_main_~x~4 116), 31310#(<= ULTIMATE.start_main_~x~4 118), 31311#(<= ULTIMATE.start_main_~x~4 120), 31312#(<= ULTIMATE.start_main_~x~4 122), 31313#(<= ULTIMATE.start_main_~x~4 124), 31314#(<= ULTIMATE.start_main_~x~4 126), 31315#(<= ULTIMATE.start_main_~x~4 128), 31316#(<= ULTIMATE.start_main_~x~4 130), 31317#(<= ULTIMATE.start_main_~x~4 132), 31318#(<= ULTIMATE.start_main_~x~4 134), 31319#(<= ULTIMATE.start_main_~x~4 136), 31320#(<= ULTIMATE.start_main_~x~4 138), 31321#(<= ULTIMATE.start_main_~x~4 140), 31322#(<= ULTIMATE.start_main_~x~4 142), 31323#(<= ULTIMATE.start_main_~x~4 144), 31324#(<= ULTIMATE.start_main_~x~4 146), 31325#(<= ULTIMATE.start_main_~x~4 148), 31326#(<= ULTIMATE.start_main_~x~4 150), 31327#(<= ULTIMATE.start_main_~x~4 152), 31328#(<= ULTIMATE.start_main_~x~4 154), 31329#(<= ULTIMATE.start_main_~x~4 156), 31330#(<= ULTIMATE.start_main_~x~4 158), 31331#(<= ULTIMATE.start_main_~x~4 160), 31332#(<= ULTIMATE.start_main_~x~4 162), 31333#(<= ULTIMATE.start_main_~x~4 164), 31334#(<= ULTIMATE.start_main_~x~4 166), 31335#(<= ULTIMATE.start_main_~x~4 168), 31336#(<= ULTIMATE.start_main_~x~4 170), 31337#(<= ULTIMATE.start_main_~x~4 172), 31338#(<= ULTIMATE.start_main_~x~4 174), 31339#(<= ULTIMATE.start_main_~x~4 176), 31340#(<= ULTIMATE.start_main_~x~4 178), 31341#(<= ULTIMATE.start_main_~x~4 180), 31342#(<= ULTIMATE.start_main_~x~4 182), 31343#(<= ULTIMATE.start_main_~x~4 184), 31344#(<= ULTIMATE.start_main_~x~4 186), 31345#(<= ULTIMATE.start_main_~x~4 188), 31346#(<= ULTIMATE.start_main_~x~4 190), 31347#(<= ULTIMATE.start_main_~x~4 192), 31348#(<= ULTIMATE.start_main_~x~4 194), 31349#(<= ULTIMATE.start_main_~x~4 196), 31350#(<= ULTIMATE.start_main_~x~4 198), 31351#(<= ULTIMATE.start_main_~x~4 200), 31352#(<= ULTIMATE.start_main_~x~4 202), 31353#(<= ULTIMATE.start_main_~x~4 204), 31354#(<= ULTIMATE.start_main_~x~4 206), 31355#(<= ULTIMATE.start_main_~x~4 208), 31356#(<= ULTIMATE.start_main_~x~4 210), 31357#(<= ULTIMATE.start_main_~x~4 212), 31358#(<= ULTIMATE.start_main_~x~4 214), 31359#(<= ULTIMATE.start_main_~x~4 216), 31360#(<= ULTIMATE.start_main_~x~4 218), 31361#(<= ULTIMATE.start_main_~x~4 220), 31362#(<= ULTIMATE.start_main_~x~4 222), 31363#(<= ULTIMATE.start_main_~x~4 224)] [2018-07-23 13:41:56,567 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 13:41:56,567 INFO L450 AbstractCegarLoop]: Interpolant automaton has 110 states [2018-07-23 13:41:56,568 INFO L132 InterpolantAutomaton]: Constructing interpolant automaton starting with 110 interpolants. [2018-07-23 13:41:56,568 INFO L133 InterpolantAutomaton]: CoverageRelationStatistics Valid=5995, Invalid=5995, Unknown=0, NotChecked=0, Total=11990 [2018-07-23 13:41:56,569 INFO L87 Difference]: Start difference. First operand 111 states and 111 transitions. Second operand 110 states. [2018-07-23 13:41:56,686 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2018-07-23 13:41:56,687 INFO L93 Difference]: Finished difference Result 114 states and 114 transitions. [2018-07-23 13:41:56,687 INFO L142 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 110 states. [2018-07-23 13:41:56,687 INFO L78 Accepts]: Start accepts. Automaton has 110 states. Word has length 110 [2018-07-23 13:41:56,687 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2018-07-23 13:41:56,688 INFO L225 Difference]: With dead ends: 114 [2018-07-23 13:41:56,688 INFO L226 Difference]: Without dead ends: 112 [2018-07-23 13:41:56,689 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 13:41:56,690 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 112 states. [2018-07-23 13:41:56,693 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 112 to 112. [2018-07-23 13:41:56,693 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 112 states. [2018-07-23 13:41:56,694 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 112 states to 112 states and 112 transitions. [2018-07-23 13:41:56,694 INFO L78 Accepts]: Start accepts. Automaton has 112 states and 112 transitions. Word has length 110 [2018-07-23 13:41:56,694 INFO L84 Accepts]: Finished accepts. word is rejected. [2018-07-23 13:41:56,694 INFO L471 AbstractCegarLoop]: Abstraction has 112 states and 112 transitions. [2018-07-23 13:41:56,694 INFO L472 AbstractCegarLoop]: Interpolant automaton has 110 states. [2018-07-23 13:41:56,694 INFO L276 IsEmpty]: Start isEmpty. Operand 112 states and 112 transitions. [2018-07-23 13:41:56,695 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 112 [2018-07-23 13:41:56,695 INFO L349 BasicCegarLoop]: Found error trace [2018-07-23 13:41:56,695 INFO L357 BasicCegarLoop]: trace histogram [108, 1, 1, 1] [2018-07-23 13:41:56,695 INFO L414 AbstractCegarLoop]: === Iteration 109 === [ULTIMATE.startErr0AssertViolationASSERT]=== [2018-07-23 13:41:56,696 INFO L82 PathProgramCache]: Analyzing trace with hash -617429887, now seen corresponding path program 108 times [2018-07-23 13:41:56,696 INFO L69 tionRefinementEngine]: Using refinement strategy FixedRefinementStrategy [2018-07-23 13:41:56,723 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-07-23 13:41:57,095 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 13:41:57,096 INFO L309 seRefinementStrategy]: Constructing automaton from 0 perfect and 1 imperfect interpolant sequences. [2018-07-23 13:41:57,096 INFO L324 seRefinementStrategy]: Number of different interpolants: perfect sequences [] imperfect sequences [110] total 110 [2018-07-23 13:41:57,096 INFO L142 lantAutomatonBuilder]: Constructing canonical interpolant automaton, with selfloop in false state [2018-07-23 13:41:57,096 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2018-07-23 13:41:57,097 INFO L185 omatonBuilderFactory]: Interpolants [31816#true, 31817#false, 31818#(<= ULTIMATE.start_main_~x~4 10), 31819#(<= ULTIMATE.start_main_~x~4 12), 31820#(<= ULTIMATE.start_main_~x~4 14), 31821#(<= ULTIMATE.start_main_~x~4 16), 31822#(<= ULTIMATE.start_main_~x~4 18), 31823#(<= ULTIMATE.start_main_~x~4 20), 31824#(<= ULTIMATE.start_main_~x~4 22), 31825#(<= ULTIMATE.start_main_~x~4 24), 31826#(<= ULTIMATE.start_main_~x~4 26), 31827#(<= ULTIMATE.start_main_~x~4 28), 31828#(<= ULTIMATE.start_main_~x~4 30), 31829#(<= ULTIMATE.start_main_~x~4 32), 31830#(<= ULTIMATE.start_main_~x~4 34), 31831#(<= ULTIMATE.start_main_~x~4 36), 31832#(<= ULTIMATE.start_main_~x~4 38), 31833#(<= ULTIMATE.start_main_~x~4 40), 31834#(<= ULTIMATE.start_main_~x~4 42), 31835#(<= ULTIMATE.start_main_~x~4 44), 31836#(<= ULTIMATE.start_main_~x~4 46), 31837#(<= ULTIMATE.start_main_~x~4 48), 31838#(<= ULTIMATE.start_main_~x~4 50), 31839#(<= ULTIMATE.start_main_~x~4 52), 31840#(<= ULTIMATE.start_main_~x~4 54), 31841#(<= ULTIMATE.start_main_~x~4 56), 31842#(<= ULTIMATE.start_main_~x~4 58), 31843#(<= ULTIMATE.start_main_~x~4 60), 31844#(<= ULTIMATE.start_main_~x~4 62), 31845#(<= ULTIMATE.start_main_~x~4 64), 31846#(<= ULTIMATE.start_main_~x~4 66), 31847#(<= ULTIMATE.start_main_~x~4 68), 31848#(<= ULTIMATE.start_main_~x~4 70), 31849#(<= ULTIMATE.start_main_~x~4 72), 31850#(<= ULTIMATE.start_main_~x~4 74), 31851#(<= ULTIMATE.start_main_~x~4 76), 31852#(<= ULTIMATE.start_main_~x~4 78), 31853#(<= ULTIMATE.start_main_~x~4 80), 31854#(<= ULTIMATE.start_main_~x~4 82), 31855#(<= ULTIMATE.start_main_~x~4 84), 31856#(<= ULTIMATE.start_main_~x~4 86), 31857#(<= ULTIMATE.start_main_~x~4 88), 31858#(<= ULTIMATE.start_main_~x~4 90), 31859#(<= ULTIMATE.start_main_~x~4 92), 31860#(<= ULTIMATE.start_main_~x~4 94), 31861#(<= ULTIMATE.start_main_~x~4 96), 31862#(<= ULTIMATE.start_main_~x~4 98), 31863#(<= ULTIMATE.start_main_~x~4 100), 31864#(<= ULTIMATE.start_main_~x~4 102), 31865#(<= ULTIMATE.start_main_~x~4 104), 31866#(<= ULTIMATE.start_main_~x~4 106), 31867#(<= ULTIMATE.start_main_~x~4 108), 31868#(<= ULTIMATE.start_main_~x~4 110), 31869#(<= ULTIMATE.start_main_~x~4 112), 31870#(<= ULTIMATE.start_main_~x~4 114), 31871#(<= ULTIMATE.start_main_~x~4 116), 31872#(<= ULTIMATE.start_main_~x~4 118), 31873#(<= ULTIMATE.start_main_~x~4 120), 31874#(<= ULTIMATE.start_main_~x~4 122), 31875#(<= ULTIMATE.start_main_~x~4 124), 31876#(<= ULTIMATE.start_main_~x~4 126), 31877#(<= ULTIMATE.start_main_~x~4 128), 31878#(<= ULTIMATE.start_main_~x~4 130), 31879#(<= ULTIMATE.start_main_~x~4 132), 31880#(<= ULTIMATE.start_main_~x~4 134), 31881#(<= ULTIMATE.start_main_~x~4 136), 31882#(<= ULTIMATE.start_main_~x~4 138), 31883#(<= ULTIMATE.start_main_~x~4 140), 31884#(<= ULTIMATE.start_main_~x~4 142), 31885#(<= ULTIMATE.start_main_~x~4 144), 31886#(<= ULTIMATE.start_main_~x~4 146), 31887#(<= ULTIMATE.start_main_~x~4 148), 31888#(<= ULTIMATE.start_main_~x~4 150), 31889#(<= ULTIMATE.start_main_~x~4 152), 31890#(<= ULTIMATE.start_main_~x~4 154), 31891#(<= ULTIMATE.start_main_~x~4 156), 31892#(<= ULTIMATE.start_main_~x~4 158), 31893#(<= ULTIMATE.start_main_~x~4 160), 31894#(<= ULTIMATE.start_main_~x~4 162), 31895#(<= ULTIMATE.start_main_~x~4 164), 31896#(<= ULTIMATE.start_main_~x~4 166), 31897#(<= ULTIMATE.start_main_~x~4 168), 31898#(<= ULTIMATE.start_main_~x~4 170), 31899#(<= ULTIMATE.start_main_~x~4 172), 31900#(<= ULTIMATE.start_main_~x~4 174), 31901#(<= ULTIMATE.start_main_~x~4 176), 31902#(<= ULTIMATE.start_main_~x~4 178), 31903#(<= ULTIMATE.start_main_~x~4 180), 31904#(<= ULTIMATE.start_main_~x~4 182), 31905#(<= ULTIMATE.start_main_~x~4 184), 31906#(<= ULTIMATE.start_main_~x~4 186), 31907#(<= ULTIMATE.start_main_~x~4 188), 31908#(<= ULTIMATE.start_main_~x~4 190), 31909#(<= ULTIMATE.start_main_~x~4 192), 31910#(<= ULTIMATE.start_main_~x~4 194), 31911#(<= ULTIMATE.start_main_~x~4 196), 31912#(<= ULTIMATE.start_main_~x~4 198), 31913#(<= ULTIMATE.start_main_~x~4 200), 31914#(<= ULTIMATE.start_main_~x~4 202), 31915#(<= ULTIMATE.start_main_~x~4 204), 31916#(<= ULTIMATE.start_main_~x~4 206), 31917#(<= ULTIMATE.start_main_~x~4 208), 31918#(<= ULTIMATE.start_main_~x~4 210), 31919#(<= ULTIMATE.start_main_~x~4 212), 31920#(<= ULTIMATE.start_main_~x~4 214), 31921#(<= ULTIMATE.start_main_~x~4 216), 31922#(<= ULTIMATE.start_main_~x~4 218), 31923#(<= ULTIMATE.start_main_~x~4 220), 31924#(<= ULTIMATE.start_main_~x~4 222), 31925#(<= ULTIMATE.start_main_~x~4 224), 31926#(<= ULTIMATE.start_main_~x~4 226)] [2018-07-23 13:41:57,098 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 13:41:57,098 INFO L450 AbstractCegarLoop]: Interpolant automaton has 111 states [2018-07-23 13:41:57,099 INFO L132 InterpolantAutomaton]: Constructing interpolant automaton starting with 111 interpolants. [2018-07-23 13:41:57,100 INFO L133 InterpolantAutomaton]: CoverageRelationStatistics Valid=6105, Invalid=6105, Unknown=0, NotChecked=0, Total=12210 [2018-07-23 13:41:57,101 INFO L87 Difference]: Start difference. First operand 112 states and 112 transitions. Second operand 111 states. [2018-07-23 13:41:57,201 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2018-07-23 13:41:57,201 INFO L93 Difference]: Finished difference Result 115 states and 115 transitions. [2018-07-23 13:41:57,201 INFO L142 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 111 states. [2018-07-23 13:41:57,201 INFO L78 Accepts]: Start accepts. Automaton has 111 states. Word has length 111 [2018-07-23 13:41:57,202 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2018-07-23 13:41:57,202 INFO L225 Difference]: With dead ends: 115 [2018-07-23 13:41:57,202 INFO L226 Difference]: Without dead ends: 113 [2018-07-23 13:41:57,203 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 13:41:57,203 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 113 states. [2018-07-23 13:41:57,206 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 113 to 113. [2018-07-23 13:41:57,206 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 113 states. [2018-07-23 13:41:57,207 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 113 states to 113 states and 113 transitions. [2018-07-23 13:41:57,207 INFO L78 Accepts]: Start accepts. Automaton has 113 states and 113 transitions. Word has length 111 [2018-07-23 13:41:57,207 INFO L84 Accepts]: Finished accepts. word is rejected. [2018-07-23 13:41:57,208 INFO L471 AbstractCegarLoop]: Abstraction has 113 states and 113 transitions. [2018-07-23 13:41:57,208 INFO L472 AbstractCegarLoop]: Interpolant automaton has 111 states. [2018-07-23 13:41:57,208 INFO L276 IsEmpty]: Start isEmpty. Operand 113 states and 113 transitions. [2018-07-23 13:41:57,208 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 113 [2018-07-23 13:41:57,209 INFO L349 BasicCegarLoop]: Found error trace [2018-07-23 13:41:57,209 INFO L357 BasicCegarLoop]: trace histogram [109, 1, 1, 1] [2018-07-23 13:41:57,209 INFO L414 AbstractCegarLoop]: === Iteration 110 === [ULTIMATE.startErr0AssertViolationASSERT]=== [2018-07-23 13:41:57,209 INFO L82 PathProgramCache]: Analyzing trace with hash -1960459288, now seen corresponding path program 109 times [2018-07-23 13:41:57,209 INFO L69 tionRefinementEngine]: Using refinement strategy FixedRefinementStrategy [2018-07-23 13:41:57,223 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-07-23 13:41:57,540 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 13:41:57,541 INFO L309 seRefinementStrategy]: Constructing automaton from 0 perfect and 1 imperfect interpolant sequences. [2018-07-23 13:41:57,541 INFO L324 seRefinementStrategy]: Number of different interpolants: perfect sequences [] imperfect sequences [111] total 111 [2018-07-23 13:41:57,541 INFO L142 lantAutomatonBuilder]: Constructing canonical interpolant automaton, with selfloop in false state [2018-07-23 13:41:57,541 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2018-07-23 13:41:57,541 INFO L185 omatonBuilderFactory]: Interpolants [32383#true, 32384#false, 32385#(<= ULTIMATE.start_main_~x~4 10), 32386#(<= ULTIMATE.start_main_~x~4 12), 32387#(<= ULTIMATE.start_main_~x~4 14), 32388#(<= ULTIMATE.start_main_~x~4 16), 32389#(<= ULTIMATE.start_main_~x~4 18), 32390#(<= ULTIMATE.start_main_~x~4 20), 32391#(<= ULTIMATE.start_main_~x~4 22), 32392#(<= ULTIMATE.start_main_~x~4 24), 32393#(<= ULTIMATE.start_main_~x~4 26), 32394#(<= ULTIMATE.start_main_~x~4 28), 32395#(<= ULTIMATE.start_main_~x~4 30), 32396#(<= ULTIMATE.start_main_~x~4 32), 32397#(<= ULTIMATE.start_main_~x~4 34), 32398#(<= ULTIMATE.start_main_~x~4 36), 32399#(<= ULTIMATE.start_main_~x~4 38), 32400#(<= ULTIMATE.start_main_~x~4 40), 32401#(<= ULTIMATE.start_main_~x~4 42), 32402#(<= ULTIMATE.start_main_~x~4 44), 32403#(<= ULTIMATE.start_main_~x~4 46), 32404#(<= ULTIMATE.start_main_~x~4 48), 32405#(<= ULTIMATE.start_main_~x~4 50), 32406#(<= ULTIMATE.start_main_~x~4 52), 32407#(<= ULTIMATE.start_main_~x~4 54), 32408#(<= ULTIMATE.start_main_~x~4 56), 32409#(<= ULTIMATE.start_main_~x~4 58), 32410#(<= ULTIMATE.start_main_~x~4 60), 32411#(<= ULTIMATE.start_main_~x~4 62), 32412#(<= ULTIMATE.start_main_~x~4 64), 32413#(<= ULTIMATE.start_main_~x~4 66), 32414#(<= ULTIMATE.start_main_~x~4 68), 32415#(<= ULTIMATE.start_main_~x~4 70), 32416#(<= ULTIMATE.start_main_~x~4 72), 32417#(<= ULTIMATE.start_main_~x~4 74), 32418#(<= ULTIMATE.start_main_~x~4 76), 32419#(<= ULTIMATE.start_main_~x~4 78), 32420#(<= ULTIMATE.start_main_~x~4 80), 32421#(<= ULTIMATE.start_main_~x~4 82), 32422#(<= ULTIMATE.start_main_~x~4 84), 32423#(<= ULTIMATE.start_main_~x~4 86), 32424#(<= ULTIMATE.start_main_~x~4 88), 32425#(<= ULTIMATE.start_main_~x~4 90), 32426#(<= ULTIMATE.start_main_~x~4 92), 32427#(<= ULTIMATE.start_main_~x~4 94), 32428#(<= ULTIMATE.start_main_~x~4 96), 32429#(<= ULTIMATE.start_main_~x~4 98), 32430#(<= ULTIMATE.start_main_~x~4 100), 32431#(<= ULTIMATE.start_main_~x~4 102), 32432#(<= ULTIMATE.start_main_~x~4 104), 32433#(<= ULTIMATE.start_main_~x~4 106), 32434#(<= ULTIMATE.start_main_~x~4 108), 32435#(<= ULTIMATE.start_main_~x~4 110), 32436#(<= ULTIMATE.start_main_~x~4 112), 32437#(<= ULTIMATE.start_main_~x~4 114), 32438#(<= ULTIMATE.start_main_~x~4 116), 32439#(<= ULTIMATE.start_main_~x~4 118), 32440#(<= ULTIMATE.start_main_~x~4 120), 32441#(<= ULTIMATE.start_main_~x~4 122), 32442#(<= ULTIMATE.start_main_~x~4 124), 32443#(<= ULTIMATE.start_main_~x~4 126), 32444#(<= ULTIMATE.start_main_~x~4 128), 32445#(<= ULTIMATE.start_main_~x~4 130), 32446#(<= ULTIMATE.start_main_~x~4 132), 32447#(<= ULTIMATE.start_main_~x~4 134), 32448#(<= ULTIMATE.start_main_~x~4 136), 32449#(<= ULTIMATE.start_main_~x~4 138), 32450#(<= ULTIMATE.start_main_~x~4 140), 32451#(<= ULTIMATE.start_main_~x~4 142), 32452#(<= ULTIMATE.start_main_~x~4 144), 32453#(<= ULTIMATE.start_main_~x~4 146), 32454#(<= ULTIMATE.start_main_~x~4 148), 32455#(<= ULTIMATE.start_main_~x~4 150), 32456#(<= ULTIMATE.start_main_~x~4 152), 32457#(<= ULTIMATE.start_main_~x~4 154), 32458#(<= ULTIMATE.start_main_~x~4 156), 32459#(<= ULTIMATE.start_main_~x~4 158), 32460#(<= ULTIMATE.start_main_~x~4 160), 32461#(<= ULTIMATE.start_main_~x~4 162), 32462#(<= ULTIMATE.start_main_~x~4 164), 32463#(<= ULTIMATE.start_main_~x~4 166), 32464#(<= ULTIMATE.start_main_~x~4 168), 32465#(<= ULTIMATE.start_main_~x~4 170), 32466#(<= ULTIMATE.start_main_~x~4 172), 32467#(<= ULTIMATE.start_main_~x~4 174), 32468#(<= ULTIMATE.start_main_~x~4 176), 32469#(<= ULTIMATE.start_main_~x~4 178), 32470#(<= ULTIMATE.start_main_~x~4 180), 32471#(<= ULTIMATE.start_main_~x~4 182), 32472#(<= ULTIMATE.start_main_~x~4 184), 32473#(<= ULTIMATE.start_main_~x~4 186), 32474#(<= ULTIMATE.start_main_~x~4 188), 32475#(<= ULTIMATE.start_main_~x~4 190), 32476#(<= ULTIMATE.start_main_~x~4 192), 32477#(<= ULTIMATE.start_main_~x~4 194), 32478#(<= ULTIMATE.start_main_~x~4 196), 32479#(<= ULTIMATE.start_main_~x~4 198), 32480#(<= ULTIMATE.start_main_~x~4 200), 32481#(<= ULTIMATE.start_main_~x~4 202), 32482#(<= ULTIMATE.start_main_~x~4 204), 32483#(<= ULTIMATE.start_main_~x~4 206), 32484#(<= ULTIMATE.start_main_~x~4 208), 32485#(<= ULTIMATE.start_main_~x~4 210), 32486#(<= ULTIMATE.start_main_~x~4 212), 32487#(<= ULTIMATE.start_main_~x~4 214), 32488#(<= ULTIMATE.start_main_~x~4 216), 32489#(<= ULTIMATE.start_main_~x~4 218), 32490#(<= ULTIMATE.start_main_~x~4 220), 32491#(<= ULTIMATE.start_main_~x~4 222), 32492#(<= ULTIMATE.start_main_~x~4 224), 32493#(<= ULTIMATE.start_main_~x~4 226), 32494#(<= ULTIMATE.start_main_~x~4 228)] [2018-07-23 13:41:57,542 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 13:41:57,542 INFO L450 AbstractCegarLoop]: Interpolant automaton has 112 states [2018-07-23 13:41:57,543 INFO L132 InterpolantAutomaton]: Constructing interpolant automaton starting with 112 interpolants. [2018-07-23 13:41:57,544 INFO L133 InterpolantAutomaton]: CoverageRelationStatistics Valid=6216, Invalid=6216, Unknown=0, NotChecked=0, Total=12432 [2018-07-23 13:41:57,544 INFO L87 Difference]: Start difference. First operand 113 states and 113 transitions. Second operand 112 states. [2018-07-23 13:41:57,700 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2018-07-23 13:41:57,700 INFO L93 Difference]: Finished difference Result 116 states and 116 transitions. [2018-07-23 13:41:57,700 INFO L142 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 112 states. [2018-07-23 13:41:57,700 INFO L78 Accepts]: Start accepts. Automaton has 112 states. Word has length 112 [2018-07-23 13:41:57,701 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2018-07-23 13:41:57,701 INFO L225 Difference]: With dead ends: 116 [2018-07-23 13:41:57,701 INFO L226 Difference]: Without dead ends: 114 [2018-07-23 13:41:57,703 INFO L575 BasicCegarLoop]: 0 DeclaredPredicates, 111 GetRequests, 1 SyntacticMatches, 0 SemanticMatches, 110 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 0 ImplicationChecksByTransitivity, 0.2s TimeCoverageRelationStatistics Valid=6216, Invalid=6216, Unknown=0, NotChecked=0, Total=12432 [2018-07-23 13:41:57,704 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 114 states. [2018-07-23 13:41:57,706 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 114 to 114. [2018-07-23 13:41:57,706 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 114 states. [2018-07-23 13:41:57,707 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 114 states to 114 states and 114 transitions. [2018-07-23 13:41:57,707 INFO L78 Accepts]: Start accepts. Automaton has 114 states and 114 transitions. Word has length 112 [2018-07-23 13:41:57,707 INFO L84 Accepts]: Finished accepts. word is rejected. [2018-07-23 13:41:57,708 INFO L471 AbstractCegarLoop]: Abstraction has 114 states and 114 transitions. [2018-07-23 13:41:57,708 INFO L472 AbstractCegarLoop]: Interpolant automaton has 112 states. [2018-07-23 13:41:57,708 INFO L276 IsEmpty]: Start isEmpty. Operand 114 states and 114 transitions. [2018-07-23 13:41:57,708 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 114 [2018-07-23 13:41:57,708 INFO L349 BasicCegarLoop]: Found error trace [2018-07-23 13:41:57,709 INFO L357 BasicCegarLoop]: trace histogram [110, 1, 1, 1] [2018-07-23 13:41:57,709 INFO L414 AbstractCegarLoop]: === Iteration 111 === [ULTIMATE.startErr0AssertViolationASSERT]=== [2018-07-23 13:41:57,709 INFO L82 PathProgramCache]: Analyzing trace with hash -644697759, now seen corresponding path program 110 times [2018-07-23 13:41:57,709 INFO L69 tionRefinementEngine]: Using refinement strategy FixedRefinementStrategy [2018-07-23 13:41:57,722 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-07-23 13:41:58,149 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 13:41:58,150 INFO L309 seRefinementStrategy]: Constructing automaton from 0 perfect and 1 imperfect interpolant sequences. [2018-07-23 13:41:58,150 INFO L324 seRefinementStrategy]: Number of different interpolants: perfect sequences [] imperfect sequences [112] total 112 [2018-07-23 13:41:58,150 INFO L142 lantAutomatonBuilder]: Constructing canonical interpolant automaton, with selfloop in false state [2018-07-23 13:41:58,150 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2018-07-23 13:41:58,151 INFO L185 omatonBuilderFactory]: Interpolants [33024#(<= ULTIMATE.start_main_~x~4 144), 33025#(<= ULTIMATE.start_main_~x~4 146), 33026#(<= ULTIMATE.start_main_~x~4 148), 33027#(<= ULTIMATE.start_main_~x~4 150), 33028#(<= ULTIMATE.start_main_~x~4 152), 33029#(<= ULTIMATE.start_main_~x~4 154), 33030#(<= ULTIMATE.start_main_~x~4 156), 33031#(<= ULTIMATE.start_main_~x~4 158), 33032#(<= ULTIMATE.start_main_~x~4 160), 33033#(<= ULTIMATE.start_main_~x~4 162), 33034#(<= ULTIMATE.start_main_~x~4 164), 33035#(<= ULTIMATE.start_main_~x~4 166), 33036#(<= ULTIMATE.start_main_~x~4 168), 33037#(<= ULTIMATE.start_main_~x~4 170), 33038#(<= ULTIMATE.start_main_~x~4 172), 33039#(<= ULTIMATE.start_main_~x~4 174), 33040#(<= ULTIMATE.start_main_~x~4 176), 33041#(<= ULTIMATE.start_main_~x~4 178), 33042#(<= ULTIMATE.start_main_~x~4 180), 33043#(<= ULTIMATE.start_main_~x~4 182), 33044#(<= ULTIMATE.start_main_~x~4 184), 33045#(<= ULTIMATE.start_main_~x~4 186), 33046#(<= ULTIMATE.start_main_~x~4 188), 33047#(<= ULTIMATE.start_main_~x~4 190), 33048#(<= ULTIMATE.start_main_~x~4 192), 33049#(<= ULTIMATE.start_main_~x~4 194), 33050#(<= ULTIMATE.start_main_~x~4 196), 33051#(<= ULTIMATE.start_main_~x~4 198), 33052#(<= ULTIMATE.start_main_~x~4 200), 33053#(<= ULTIMATE.start_main_~x~4 202), 33054#(<= ULTIMATE.start_main_~x~4 204), 33055#(<= ULTIMATE.start_main_~x~4 206), 33056#(<= ULTIMATE.start_main_~x~4 208), 33057#(<= ULTIMATE.start_main_~x~4 210), 33058#(<= ULTIMATE.start_main_~x~4 212), 33059#(<= ULTIMATE.start_main_~x~4 214), 33060#(<= ULTIMATE.start_main_~x~4 216), 33061#(<= ULTIMATE.start_main_~x~4 218), 33062#(<= ULTIMATE.start_main_~x~4 220), 33063#(<= ULTIMATE.start_main_~x~4 222), 33064#(<= ULTIMATE.start_main_~x~4 224), 33065#(<= ULTIMATE.start_main_~x~4 226), 33066#(<= ULTIMATE.start_main_~x~4 228), 33067#(<= ULTIMATE.start_main_~x~4 230), 32955#true, 32956#false, 32957#(<= ULTIMATE.start_main_~x~4 10), 32958#(<= ULTIMATE.start_main_~x~4 12), 32959#(<= ULTIMATE.start_main_~x~4 14), 32960#(<= ULTIMATE.start_main_~x~4 16), 32961#(<= ULTIMATE.start_main_~x~4 18), 32962#(<= ULTIMATE.start_main_~x~4 20), 32963#(<= ULTIMATE.start_main_~x~4 22), 32964#(<= ULTIMATE.start_main_~x~4 24), 32965#(<= ULTIMATE.start_main_~x~4 26), 32966#(<= ULTIMATE.start_main_~x~4 28), 32967#(<= ULTIMATE.start_main_~x~4 30), 32968#(<= ULTIMATE.start_main_~x~4 32), 32969#(<= ULTIMATE.start_main_~x~4 34), 32970#(<= ULTIMATE.start_main_~x~4 36), 32971#(<= ULTIMATE.start_main_~x~4 38), 32972#(<= ULTIMATE.start_main_~x~4 40), 32973#(<= ULTIMATE.start_main_~x~4 42), 32974#(<= ULTIMATE.start_main_~x~4 44), 32975#(<= ULTIMATE.start_main_~x~4 46), 32976#(<= ULTIMATE.start_main_~x~4 48), 32977#(<= ULTIMATE.start_main_~x~4 50), 32978#(<= ULTIMATE.start_main_~x~4 52), 32979#(<= ULTIMATE.start_main_~x~4 54), 32980#(<= ULTIMATE.start_main_~x~4 56), 32981#(<= ULTIMATE.start_main_~x~4 58), 32982#(<= ULTIMATE.start_main_~x~4 60), 32983#(<= ULTIMATE.start_main_~x~4 62), 32984#(<= ULTIMATE.start_main_~x~4 64), 32985#(<= ULTIMATE.start_main_~x~4 66), 32986#(<= ULTIMATE.start_main_~x~4 68), 32987#(<= ULTIMATE.start_main_~x~4 70), 32988#(<= ULTIMATE.start_main_~x~4 72), 32989#(<= ULTIMATE.start_main_~x~4 74), 32990#(<= ULTIMATE.start_main_~x~4 76), 32991#(<= ULTIMATE.start_main_~x~4 78), 32992#(<= ULTIMATE.start_main_~x~4 80), 32993#(<= ULTIMATE.start_main_~x~4 82), 32994#(<= ULTIMATE.start_main_~x~4 84), 32995#(<= ULTIMATE.start_main_~x~4 86), 32996#(<= ULTIMATE.start_main_~x~4 88), 32997#(<= ULTIMATE.start_main_~x~4 90), 32998#(<= ULTIMATE.start_main_~x~4 92), 32999#(<= ULTIMATE.start_main_~x~4 94), 33000#(<= ULTIMATE.start_main_~x~4 96), 33001#(<= ULTIMATE.start_main_~x~4 98), 33002#(<= ULTIMATE.start_main_~x~4 100), 33003#(<= ULTIMATE.start_main_~x~4 102), 33004#(<= ULTIMATE.start_main_~x~4 104), 33005#(<= ULTIMATE.start_main_~x~4 106), 33006#(<= ULTIMATE.start_main_~x~4 108), 33007#(<= ULTIMATE.start_main_~x~4 110), 33008#(<= ULTIMATE.start_main_~x~4 112), 33009#(<= ULTIMATE.start_main_~x~4 114), 33010#(<= ULTIMATE.start_main_~x~4 116), 33011#(<= ULTIMATE.start_main_~x~4 118), 33012#(<= ULTIMATE.start_main_~x~4 120), 33013#(<= ULTIMATE.start_main_~x~4 122), 33014#(<= ULTIMATE.start_main_~x~4 124), 33015#(<= ULTIMATE.start_main_~x~4 126), 33016#(<= ULTIMATE.start_main_~x~4 128), 33017#(<= ULTIMATE.start_main_~x~4 130), 33018#(<= ULTIMATE.start_main_~x~4 132), 33019#(<= ULTIMATE.start_main_~x~4 134), 33020#(<= ULTIMATE.start_main_~x~4 136), 33021#(<= ULTIMATE.start_main_~x~4 138), 33022#(<= ULTIMATE.start_main_~x~4 140), 33023#(<= ULTIMATE.start_main_~x~4 142)] [2018-07-23 13:41:58,151 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 13:41:58,151 INFO L450 AbstractCegarLoop]: Interpolant automaton has 113 states [2018-07-23 13:41:58,153 INFO L132 InterpolantAutomaton]: Constructing interpolant automaton starting with 113 interpolants. [2018-07-23 13:41:58,154 INFO L133 InterpolantAutomaton]: CoverageRelationStatistics Valid=6328, Invalid=6328, Unknown=0, NotChecked=0, Total=12656 [2018-07-23 13:41:58,154 INFO L87 Difference]: Start difference. First operand 114 states and 114 transitions. Second operand 113 states. [2018-07-23 13:41:58,213 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2018-07-23 13:41:58,213 INFO L93 Difference]: Finished difference Result 117 states and 117 transitions. [2018-07-23 13:41:58,213 INFO L142 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 113 states. [2018-07-23 13:41:58,213 INFO L78 Accepts]: Start accepts. Automaton has 113 states. Word has length 113 [2018-07-23 13:41:58,213 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2018-07-23 13:41:58,214 INFO L225 Difference]: With dead ends: 117 [2018-07-23 13:41:58,214 INFO L226 Difference]: Without dead ends: 115 [2018-07-23 13:41:58,215 INFO L575 BasicCegarLoop]: 0 DeclaredPredicates, 112 GetRequests, 1 SyntacticMatches, 0 SemanticMatches, 111 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 0 ImplicationChecksByTransitivity, 0.3s TimeCoverageRelationStatistics Valid=6328, Invalid=6328, Unknown=0, NotChecked=0, Total=12656 [2018-07-23 13:41:58,216 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 115 states. [2018-07-23 13:41:58,218 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 115 to 115. [2018-07-23 13:41:58,218 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 115 states. [2018-07-23 13:41:58,219 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 115 states to 115 states and 115 transitions. [2018-07-23 13:41:58,219 INFO L78 Accepts]: Start accepts. Automaton has 115 states and 115 transitions. Word has length 113 [2018-07-23 13:41:58,219 INFO L84 Accepts]: Finished accepts. word is rejected. [2018-07-23 13:41:58,220 INFO L471 AbstractCegarLoop]: Abstraction has 115 states and 115 transitions. [2018-07-23 13:41:58,220 INFO L472 AbstractCegarLoop]: Interpolant automaton has 113 states. [2018-07-23 13:41:58,220 INFO L276 IsEmpty]: Start isEmpty. Operand 115 states and 115 transitions. [2018-07-23 13:41:58,220 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 115 [2018-07-23 13:41:58,220 INFO L349 BasicCegarLoop]: Found error trace [2018-07-23 13:41:58,221 INFO L357 BasicCegarLoop]: trace histogram [111, 1, 1, 1] [2018-07-23 13:41:58,221 INFO L414 AbstractCegarLoop]: === Iteration 112 === [ULTIMATE.startErr0AssertViolationASSERT]=== [2018-07-23 13:41:58,221 INFO L82 PathProgramCache]: Analyzing trace with hash 1489203976, now seen corresponding path program 111 times [2018-07-23 13:41:58,221 INFO L69 tionRefinementEngine]: Using refinement strategy FixedRefinementStrategy [2018-07-23 13:41:58,234 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-07-23 13:41:58,525 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 13:41:58,525 INFO L309 seRefinementStrategy]: Constructing automaton from 0 perfect and 1 imperfect interpolant sequences. [2018-07-23 13:41:58,525 INFO L324 seRefinementStrategy]: Number of different interpolants: perfect sequences [] imperfect sequences [113] total 113 [2018-07-23 13:41:58,525 INFO L142 lantAutomatonBuilder]: Constructing canonical interpolant automaton, with selfloop in false state [2018-07-23 13:41:58,526 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2018-07-23 13:41:58,526 INFO L185 omatonBuilderFactory]: Interpolants [33536#(<= ULTIMATE.start_main_~x~4 14), 33537#(<= ULTIMATE.start_main_~x~4 16), 33538#(<= ULTIMATE.start_main_~x~4 18), 33539#(<= ULTIMATE.start_main_~x~4 20), 33540#(<= ULTIMATE.start_main_~x~4 22), 33541#(<= ULTIMATE.start_main_~x~4 24), 33542#(<= ULTIMATE.start_main_~x~4 26), 33543#(<= ULTIMATE.start_main_~x~4 28), 33544#(<= ULTIMATE.start_main_~x~4 30), 33545#(<= ULTIMATE.start_main_~x~4 32), 33546#(<= ULTIMATE.start_main_~x~4 34), 33547#(<= ULTIMATE.start_main_~x~4 36), 33548#(<= ULTIMATE.start_main_~x~4 38), 33549#(<= ULTIMATE.start_main_~x~4 40), 33550#(<= ULTIMATE.start_main_~x~4 42), 33551#(<= ULTIMATE.start_main_~x~4 44), 33552#(<= ULTIMATE.start_main_~x~4 46), 33553#(<= ULTIMATE.start_main_~x~4 48), 33554#(<= ULTIMATE.start_main_~x~4 50), 33555#(<= ULTIMATE.start_main_~x~4 52), 33556#(<= ULTIMATE.start_main_~x~4 54), 33557#(<= ULTIMATE.start_main_~x~4 56), 33558#(<= ULTIMATE.start_main_~x~4 58), 33559#(<= ULTIMATE.start_main_~x~4 60), 33560#(<= ULTIMATE.start_main_~x~4 62), 33561#(<= ULTIMATE.start_main_~x~4 64), 33562#(<= ULTIMATE.start_main_~x~4 66), 33563#(<= ULTIMATE.start_main_~x~4 68), 33564#(<= ULTIMATE.start_main_~x~4 70), 33565#(<= ULTIMATE.start_main_~x~4 72), 33566#(<= ULTIMATE.start_main_~x~4 74), 33567#(<= ULTIMATE.start_main_~x~4 76), 33568#(<= ULTIMATE.start_main_~x~4 78), 33569#(<= ULTIMATE.start_main_~x~4 80), 33570#(<= ULTIMATE.start_main_~x~4 82), 33571#(<= ULTIMATE.start_main_~x~4 84), 33572#(<= ULTIMATE.start_main_~x~4 86), 33573#(<= ULTIMATE.start_main_~x~4 88), 33574#(<= ULTIMATE.start_main_~x~4 90), 33575#(<= ULTIMATE.start_main_~x~4 92), 33576#(<= ULTIMATE.start_main_~x~4 94), 33577#(<= ULTIMATE.start_main_~x~4 96), 33578#(<= ULTIMATE.start_main_~x~4 98), 33579#(<= ULTIMATE.start_main_~x~4 100), 33580#(<= ULTIMATE.start_main_~x~4 102), 33581#(<= ULTIMATE.start_main_~x~4 104), 33582#(<= ULTIMATE.start_main_~x~4 106), 33583#(<= ULTIMATE.start_main_~x~4 108), 33584#(<= ULTIMATE.start_main_~x~4 110), 33585#(<= ULTIMATE.start_main_~x~4 112), 33586#(<= ULTIMATE.start_main_~x~4 114), 33587#(<= ULTIMATE.start_main_~x~4 116), 33588#(<= ULTIMATE.start_main_~x~4 118), 33589#(<= ULTIMATE.start_main_~x~4 120), 33590#(<= ULTIMATE.start_main_~x~4 122), 33591#(<= ULTIMATE.start_main_~x~4 124), 33592#(<= ULTIMATE.start_main_~x~4 126), 33593#(<= ULTIMATE.start_main_~x~4 128), 33594#(<= ULTIMATE.start_main_~x~4 130), 33595#(<= ULTIMATE.start_main_~x~4 132), 33596#(<= ULTIMATE.start_main_~x~4 134), 33597#(<= ULTIMATE.start_main_~x~4 136), 33598#(<= ULTIMATE.start_main_~x~4 138), 33599#(<= ULTIMATE.start_main_~x~4 140), 33600#(<= ULTIMATE.start_main_~x~4 142), 33601#(<= ULTIMATE.start_main_~x~4 144), 33602#(<= ULTIMATE.start_main_~x~4 146), 33603#(<= ULTIMATE.start_main_~x~4 148), 33604#(<= ULTIMATE.start_main_~x~4 150), 33605#(<= ULTIMATE.start_main_~x~4 152), 33606#(<= ULTIMATE.start_main_~x~4 154), 33607#(<= ULTIMATE.start_main_~x~4 156), 33608#(<= ULTIMATE.start_main_~x~4 158), 33609#(<= ULTIMATE.start_main_~x~4 160), 33610#(<= ULTIMATE.start_main_~x~4 162), 33611#(<= ULTIMATE.start_main_~x~4 164), 33612#(<= ULTIMATE.start_main_~x~4 166), 33613#(<= ULTIMATE.start_main_~x~4 168), 33614#(<= ULTIMATE.start_main_~x~4 170), 33615#(<= ULTIMATE.start_main_~x~4 172), 33616#(<= ULTIMATE.start_main_~x~4 174), 33617#(<= ULTIMATE.start_main_~x~4 176), 33618#(<= ULTIMATE.start_main_~x~4 178), 33619#(<= ULTIMATE.start_main_~x~4 180), 33620#(<= ULTIMATE.start_main_~x~4 182), 33621#(<= ULTIMATE.start_main_~x~4 184), 33622#(<= ULTIMATE.start_main_~x~4 186), 33623#(<= ULTIMATE.start_main_~x~4 188), 33624#(<= ULTIMATE.start_main_~x~4 190), 33625#(<= ULTIMATE.start_main_~x~4 192), 33626#(<= ULTIMATE.start_main_~x~4 194), 33627#(<= ULTIMATE.start_main_~x~4 196), 33628#(<= ULTIMATE.start_main_~x~4 198), 33629#(<= ULTIMATE.start_main_~x~4 200), 33630#(<= ULTIMATE.start_main_~x~4 202), 33631#(<= ULTIMATE.start_main_~x~4 204), 33632#(<= ULTIMATE.start_main_~x~4 206), 33633#(<= ULTIMATE.start_main_~x~4 208), 33634#(<= ULTIMATE.start_main_~x~4 210), 33635#(<= ULTIMATE.start_main_~x~4 212), 33636#(<= ULTIMATE.start_main_~x~4 214), 33637#(<= ULTIMATE.start_main_~x~4 216), 33638#(<= ULTIMATE.start_main_~x~4 218), 33639#(<= ULTIMATE.start_main_~x~4 220), 33640#(<= ULTIMATE.start_main_~x~4 222), 33641#(<= ULTIMATE.start_main_~x~4 224), 33642#(<= ULTIMATE.start_main_~x~4 226), 33643#(<= ULTIMATE.start_main_~x~4 228), 33644#(<= ULTIMATE.start_main_~x~4 230), 33645#(<= ULTIMATE.start_main_~x~4 232), 33532#true, 33533#false, 33534#(<= ULTIMATE.start_main_~x~4 10), 33535#(<= ULTIMATE.start_main_~x~4 12)] [2018-07-23 13:41:58,526 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 13:41:58,527 INFO L450 AbstractCegarLoop]: Interpolant automaton has 114 states [2018-07-23 13:41:58,528 INFO L132 InterpolantAutomaton]: Constructing interpolant automaton starting with 114 interpolants. [2018-07-23 13:41:58,528 INFO L133 InterpolantAutomaton]: CoverageRelationStatistics Valid=6441, Invalid=6441, Unknown=0, NotChecked=0, Total=12882 [2018-07-23 13:41:58,529 INFO L87 Difference]: Start difference. First operand 115 states and 115 transitions. Second operand 114 states. [2018-07-23 13:41:58,771 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2018-07-23 13:41:58,772 INFO L93 Difference]: Finished difference Result 118 states and 118 transitions. [2018-07-23 13:41:58,772 INFO L142 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 114 states. [2018-07-23 13:41:58,772 INFO L78 Accepts]: Start accepts. Automaton has 114 states. Word has length 114 [2018-07-23 13:41:58,772 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2018-07-23 13:41:58,773 INFO L225 Difference]: With dead ends: 118 [2018-07-23 13:41:58,773 INFO L226 Difference]: Without dead ends: 116 [2018-07-23 13:41:58,775 INFO L575 BasicCegarLoop]: 0 DeclaredPredicates, 113 GetRequests, 1 SyntacticMatches, 0 SemanticMatches, 112 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 0 ImplicationChecksByTransitivity, 0.2s TimeCoverageRelationStatistics Valid=6441, Invalid=6441, Unknown=0, NotChecked=0, Total=12882 [2018-07-23 13:41:58,775 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 116 states. [2018-07-23 13:41:58,778 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 116 to 116. [2018-07-23 13:41:58,778 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 116 states. [2018-07-23 13:41:58,779 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 116 states to 116 states and 116 transitions. [2018-07-23 13:41:58,779 INFO L78 Accepts]: Start accepts. Automaton has 116 states and 116 transitions. Word has length 114 [2018-07-23 13:41:58,779 INFO L84 Accepts]: Finished accepts. word is rejected. [2018-07-23 13:41:58,779 INFO L471 AbstractCegarLoop]: Abstraction has 116 states and 116 transitions. [2018-07-23 13:41:58,779 INFO L472 AbstractCegarLoop]: Interpolant automaton has 114 states. [2018-07-23 13:41:58,779 INFO L276 IsEmpty]: Start isEmpty. Operand 116 states and 116 transitions. [2018-07-23 13:41:58,780 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 116 [2018-07-23 13:41:58,780 INFO L349 BasicCegarLoop]: Found error trace [2018-07-23 13:41:58,780 INFO L357 BasicCegarLoop]: trace histogram [112, 1, 1, 1] [2018-07-23 13:41:58,780 INFO L414 AbstractCegarLoop]: === Iteration 113 === [ULTIMATE.startErr0AssertViolationASSERT]=== [2018-07-23 13:41:58,781 INFO L82 PathProgramCache]: Analyzing trace with hash -1079318975, now seen corresponding path program 112 times [2018-07-23 13:41:58,781 INFO L69 tionRefinementEngine]: Using refinement strategy FixedRefinementStrategy [2018-07-23 13:41:58,796 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-07-23 13:41:59,306 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 13:41:59,307 INFO L309 seRefinementStrategy]: Constructing automaton from 0 perfect and 1 imperfect interpolant sequences. [2018-07-23 13:41:59,307 INFO L324 seRefinementStrategy]: Number of different interpolants: perfect sequences [] imperfect sequences [114] total 114 [2018-07-23 13:41:59,307 INFO L142 lantAutomatonBuilder]: Constructing canonical interpolant automaton, with selfloop in false state [2018-07-23 13:41:59,307 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 13:41:59,308 INFO L185 omatonBuilderFactory]: Interpolants [34114#true, 34115#false, 34116#(<= ULTIMATE.start_main_~x~4 10), 34117#(<= ULTIMATE.start_main_~x~4 12), 34118#(<= ULTIMATE.start_main_~x~4 14), 34119#(<= ULTIMATE.start_main_~x~4 16), 34120#(<= ULTIMATE.start_main_~x~4 18), 34121#(<= ULTIMATE.start_main_~x~4 20), 34122#(<= ULTIMATE.start_main_~x~4 22), 34123#(<= ULTIMATE.start_main_~x~4 24), 34124#(<= ULTIMATE.start_main_~x~4 26), 34125#(<= ULTIMATE.start_main_~x~4 28), 34126#(<= ULTIMATE.start_main_~x~4 30), 34127#(<= ULTIMATE.start_main_~x~4 32), 34128#(<= ULTIMATE.start_main_~x~4 34), 34129#(<= ULTIMATE.start_main_~x~4 36), 34130#(<= ULTIMATE.start_main_~x~4 38), 34131#(<= ULTIMATE.start_main_~x~4 40), 34132#(<= ULTIMATE.start_main_~x~4 42), 34133#(<= ULTIMATE.start_main_~x~4 44), 34134#(<= ULTIMATE.start_main_~x~4 46), 34135#(<= ULTIMATE.start_main_~x~4 48), 34136#(<= ULTIMATE.start_main_~x~4 50), 34137#(<= ULTIMATE.start_main_~x~4 52), 34138#(<= ULTIMATE.start_main_~x~4 54), 34139#(<= ULTIMATE.start_main_~x~4 56), 34140#(<= ULTIMATE.start_main_~x~4 58), 34141#(<= ULTIMATE.start_main_~x~4 60), 34142#(<= ULTIMATE.start_main_~x~4 62), 34143#(<= ULTIMATE.start_main_~x~4 64), 34144#(<= ULTIMATE.start_main_~x~4 66), 34145#(<= ULTIMATE.start_main_~x~4 68), 34146#(<= ULTIMATE.start_main_~x~4 70), 34147#(<= ULTIMATE.start_main_~x~4 72), 34148#(<= ULTIMATE.start_main_~x~4 74), 34149#(<= ULTIMATE.start_main_~x~4 76), 34150#(<= ULTIMATE.start_main_~x~4 78), 34151#(<= ULTIMATE.start_main_~x~4 80), 34152#(<= ULTIMATE.start_main_~x~4 82), 34153#(<= ULTIMATE.start_main_~x~4 84), 34154#(<= ULTIMATE.start_main_~x~4 86), 34155#(<= ULTIMATE.start_main_~x~4 88), 34156#(<= ULTIMATE.start_main_~x~4 90), 34157#(<= ULTIMATE.start_main_~x~4 92), 34158#(<= ULTIMATE.start_main_~x~4 94), 34159#(<= ULTIMATE.start_main_~x~4 96), 34160#(<= ULTIMATE.start_main_~x~4 98), 34161#(<= ULTIMATE.start_main_~x~4 100), 34162#(<= ULTIMATE.start_main_~x~4 102), 34163#(<= ULTIMATE.start_main_~x~4 104), 34164#(<= ULTIMATE.start_main_~x~4 106), 34165#(<= ULTIMATE.start_main_~x~4 108), 34166#(<= ULTIMATE.start_main_~x~4 110), 34167#(<= ULTIMATE.start_main_~x~4 112), 34168#(<= ULTIMATE.start_main_~x~4 114), 34169#(<= ULTIMATE.start_main_~x~4 116), 34170#(<= ULTIMATE.start_main_~x~4 118), 34171#(<= ULTIMATE.start_main_~x~4 120), 34172#(<= ULTIMATE.start_main_~x~4 122), 34173#(<= ULTIMATE.start_main_~x~4 124), 34174#(<= ULTIMATE.start_main_~x~4 126), 34175#(<= ULTIMATE.start_main_~x~4 128), 34176#(<= ULTIMATE.start_main_~x~4 130), 34177#(<= ULTIMATE.start_main_~x~4 132), 34178#(<= ULTIMATE.start_main_~x~4 134), 34179#(<= ULTIMATE.start_main_~x~4 136), 34180#(<= ULTIMATE.start_main_~x~4 138), 34181#(<= ULTIMATE.start_main_~x~4 140), 34182#(<= ULTIMATE.start_main_~x~4 142), 34183#(<= ULTIMATE.start_main_~x~4 144), 34184#(<= ULTIMATE.start_main_~x~4 146), 34185#(<= ULTIMATE.start_main_~x~4 148), 34186#(<= ULTIMATE.start_main_~x~4 150), 34187#(<= ULTIMATE.start_main_~x~4 152), 34188#(<= ULTIMATE.start_main_~x~4 154), 34189#(<= ULTIMATE.start_main_~x~4 156), 34190#(<= ULTIMATE.start_main_~x~4 158), 34191#(<= ULTIMATE.start_main_~x~4 160), 34192#(<= ULTIMATE.start_main_~x~4 162), 34193#(<= ULTIMATE.start_main_~x~4 164), 34194#(<= ULTIMATE.start_main_~x~4 166), 34195#(<= ULTIMATE.start_main_~x~4 168), 34196#(<= ULTIMATE.start_main_~x~4 170), 34197#(<= ULTIMATE.start_main_~x~4 172), 34198#(<= ULTIMATE.start_main_~x~4 174), 34199#(<= ULTIMATE.start_main_~x~4 176), 34200#(<= ULTIMATE.start_main_~x~4 178), 34201#(<= ULTIMATE.start_main_~x~4 180), 34202#(<= ULTIMATE.start_main_~x~4 182), 34203#(<= ULTIMATE.start_main_~x~4 184), 34204#(<= ULTIMATE.start_main_~x~4 186), 34205#(<= ULTIMATE.start_main_~x~4 188), 34206#(<= ULTIMATE.start_main_~x~4 190), 34207#(<= ULTIMATE.start_main_~x~4 192), 34208#(<= ULTIMATE.start_main_~x~4 194), 34209#(<= ULTIMATE.start_main_~x~4 196), 34210#(<= ULTIMATE.start_main_~x~4 198), 34211#(<= ULTIMATE.start_main_~x~4 200), 34212#(<= ULTIMATE.start_main_~x~4 202), 34213#(<= ULTIMATE.start_main_~x~4 204), 34214#(<= ULTIMATE.start_main_~x~4 206), 34215#(<= ULTIMATE.start_main_~x~4 208), 34216#(<= ULTIMATE.start_main_~x~4 210), 34217#(<= ULTIMATE.start_main_~x~4 212), 34218#(<= ULTIMATE.start_main_~x~4 214), 34219#(<= ULTIMATE.start_main_~x~4 216), 34220#(<= ULTIMATE.start_main_~x~4 218), 34221#(<= ULTIMATE.start_main_~x~4 220), 34222#(<= ULTIMATE.start_main_~x~4 222), 34223#(<= ULTIMATE.start_main_~x~4 224), 34224#(<= ULTIMATE.start_main_~x~4 226), 34225#(<= ULTIMATE.start_main_~x~4 228), 34226#(<= ULTIMATE.start_main_~x~4 230), 34227#(<= ULTIMATE.start_main_~x~4 232), 34228#(<= ULTIMATE.start_main_~x~4 234)] [2018-07-23 13:41:59,309 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 13:41:59,309 INFO L450 AbstractCegarLoop]: Interpolant automaton has 115 states [2018-07-23 13:41:59,310 INFO L132 InterpolantAutomaton]: Constructing interpolant automaton starting with 115 interpolants. [2018-07-23 13:41:59,312 INFO L133 InterpolantAutomaton]: CoverageRelationStatistics Valid=6555, Invalid=6555, Unknown=0, NotChecked=0, Total=13110 [2018-07-23 13:41:59,312 INFO L87 Difference]: Start difference. First operand 116 states and 116 transitions. Second operand 115 states. [2018-07-23 13:41:59,484 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2018-07-23 13:41:59,484 INFO L93 Difference]: Finished difference Result 119 states and 119 transitions. [2018-07-23 13:41:59,484 INFO L142 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 115 states. [2018-07-23 13:41:59,484 INFO L78 Accepts]: Start accepts. Automaton has 115 states. Word has length 115 [2018-07-23 13:41:59,485 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2018-07-23 13:41:59,485 INFO L225 Difference]: With dead ends: 119 [2018-07-23 13:41:59,485 INFO L226 Difference]: Without dead ends: 117 [2018-07-23 13:41:59,486 INFO L575 BasicCegarLoop]: 0 DeclaredPredicates, 114 GetRequests, 1 SyntacticMatches, 0 SemanticMatches, 113 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 0 ImplicationChecksByTransitivity, 0.4s TimeCoverageRelationStatistics Valid=6555, Invalid=6555, Unknown=0, NotChecked=0, Total=13110 [2018-07-23 13:41:59,487 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 117 states. [2018-07-23 13:41:59,488 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 117 to 117. [2018-07-23 13:41:59,489 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 117 states. [2018-07-23 13:41:59,489 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 117 states to 117 states and 117 transitions. [2018-07-23 13:41:59,489 INFO L78 Accepts]: Start accepts. Automaton has 117 states and 117 transitions. Word has length 115 [2018-07-23 13:41:59,489 INFO L84 Accepts]: Finished accepts. word is rejected. [2018-07-23 13:41:59,489 INFO L471 AbstractCegarLoop]: Abstraction has 117 states and 117 transitions. [2018-07-23 13:41:59,489 INFO L472 AbstractCegarLoop]: Interpolant automaton has 115 states. [2018-07-23 13:41:59,489 INFO L276 IsEmpty]: Start isEmpty. Operand 117 states and 117 transitions. [2018-07-23 13:41:59,490 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 117 [2018-07-23 13:41:59,490 INFO L349 BasicCegarLoop]: Found error trace [2018-07-23 13:41:59,490 INFO L357 BasicCegarLoop]: trace histogram [113, 1, 1, 1] [2018-07-23 13:41:59,490 INFO L414 AbstractCegarLoop]: === Iteration 114 === [ULTIMATE.startErr0AssertViolationASSERT]=== [2018-07-23 13:41:59,490 INFO L82 PathProgramCache]: Analyzing trace with hash 900848168, now seen corresponding path program 113 times [2018-07-23 13:41:59,490 INFO L69 tionRefinementEngine]: Using refinement strategy FixedRefinementStrategy [2018-07-23 13:41:59,501 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-07-23 13:41:59,821 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 13:41:59,821 INFO L309 seRefinementStrategy]: Constructing automaton from 0 perfect and 1 imperfect interpolant sequences. [2018-07-23 13:41:59,821 INFO L324 seRefinementStrategy]: Number of different interpolants: perfect sequences [] imperfect sequences [115] total 115 [2018-07-23 13:41:59,821 INFO L142 lantAutomatonBuilder]: Constructing canonical interpolant automaton, with selfloop in false state [2018-07-23 13:41:59,822 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2018-07-23 13:41:59,822 INFO L185 omatonBuilderFactory]: Interpolants [34816#(<= ULTIMATE.start_main_~x~4 236), 34701#true, 34702#false, 34703#(<= ULTIMATE.start_main_~x~4 10), 34704#(<= ULTIMATE.start_main_~x~4 12), 34705#(<= ULTIMATE.start_main_~x~4 14), 34706#(<= ULTIMATE.start_main_~x~4 16), 34707#(<= ULTIMATE.start_main_~x~4 18), 34708#(<= ULTIMATE.start_main_~x~4 20), 34709#(<= ULTIMATE.start_main_~x~4 22), 34710#(<= ULTIMATE.start_main_~x~4 24), 34711#(<= ULTIMATE.start_main_~x~4 26), 34712#(<= ULTIMATE.start_main_~x~4 28), 34713#(<= ULTIMATE.start_main_~x~4 30), 34714#(<= ULTIMATE.start_main_~x~4 32), 34715#(<= ULTIMATE.start_main_~x~4 34), 34716#(<= ULTIMATE.start_main_~x~4 36), 34717#(<= ULTIMATE.start_main_~x~4 38), 34718#(<= ULTIMATE.start_main_~x~4 40), 34719#(<= ULTIMATE.start_main_~x~4 42), 34720#(<= ULTIMATE.start_main_~x~4 44), 34721#(<= ULTIMATE.start_main_~x~4 46), 34722#(<= ULTIMATE.start_main_~x~4 48), 34723#(<= ULTIMATE.start_main_~x~4 50), 34724#(<= ULTIMATE.start_main_~x~4 52), 34725#(<= ULTIMATE.start_main_~x~4 54), 34726#(<= ULTIMATE.start_main_~x~4 56), 34727#(<= ULTIMATE.start_main_~x~4 58), 34728#(<= ULTIMATE.start_main_~x~4 60), 34729#(<= ULTIMATE.start_main_~x~4 62), 34730#(<= ULTIMATE.start_main_~x~4 64), 34731#(<= ULTIMATE.start_main_~x~4 66), 34732#(<= ULTIMATE.start_main_~x~4 68), 34733#(<= ULTIMATE.start_main_~x~4 70), 34734#(<= ULTIMATE.start_main_~x~4 72), 34735#(<= ULTIMATE.start_main_~x~4 74), 34736#(<= ULTIMATE.start_main_~x~4 76), 34737#(<= ULTIMATE.start_main_~x~4 78), 34738#(<= ULTIMATE.start_main_~x~4 80), 34739#(<= ULTIMATE.start_main_~x~4 82), 34740#(<= ULTIMATE.start_main_~x~4 84), 34741#(<= ULTIMATE.start_main_~x~4 86), 34742#(<= ULTIMATE.start_main_~x~4 88), 34743#(<= ULTIMATE.start_main_~x~4 90), 34744#(<= ULTIMATE.start_main_~x~4 92), 34745#(<= ULTIMATE.start_main_~x~4 94), 34746#(<= ULTIMATE.start_main_~x~4 96), 34747#(<= ULTIMATE.start_main_~x~4 98), 34748#(<= ULTIMATE.start_main_~x~4 100), 34749#(<= ULTIMATE.start_main_~x~4 102), 34750#(<= ULTIMATE.start_main_~x~4 104), 34751#(<= ULTIMATE.start_main_~x~4 106), 34752#(<= ULTIMATE.start_main_~x~4 108), 34753#(<= ULTIMATE.start_main_~x~4 110), 34754#(<= ULTIMATE.start_main_~x~4 112), 34755#(<= ULTIMATE.start_main_~x~4 114), 34756#(<= ULTIMATE.start_main_~x~4 116), 34757#(<= ULTIMATE.start_main_~x~4 118), 34758#(<= ULTIMATE.start_main_~x~4 120), 34759#(<= ULTIMATE.start_main_~x~4 122), 34760#(<= ULTIMATE.start_main_~x~4 124), 34761#(<= ULTIMATE.start_main_~x~4 126), 34762#(<= ULTIMATE.start_main_~x~4 128), 34763#(<= ULTIMATE.start_main_~x~4 130), 34764#(<= ULTIMATE.start_main_~x~4 132), 34765#(<= ULTIMATE.start_main_~x~4 134), 34766#(<= ULTIMATE.start_main_~x~4 136), 34767#(<= ULTIMATE.start_main_~x~4 138), 34768#(<= ULTIMATE.start_main_~x~4 140), 34769#(<= ULTIMATE.start_main_~x~4 142), 34770#(<= ULTIMATE.start_main_~x~4 144), 34771#(<= ULTIMATE.start_main_~x~4 146), 34772#(<= ULTIMATE.start_main_~x~4 148), 34773#(<= ULTIMATE.start_main_~x~4 150), 34774#(<= ULTIMATE.start_main_~x~4 152), 34775#(<= ULTIMATE.start_main_~x~4 154), 34776#(<= ULTIMATE.start_main_~x~4 156), 34777#(<= ULTIMATE.start_main_~x~4 158), 34778#(<= ULTIMATE.start_main_~x~4 160), 34779#(<= ULTIMATE.start_main_~x~4 162), 34780#(<= ULTIMATE.start_main_~x~4 164), 34781#(<= ULTIMATE.start_main_~x~4 166), 34782#(<= ULTIMATE.start_main_~x~4 168), 34783#(<= ULTIMATE.start_main_~x~4 170), 34784#(<= ULTIMATE.start_main_~x~4 172), 34785#(<= ULTIMATE.start_main_~x~4 174), 34786#(<= ULTIMATE.start_main_~x~4 176), 34787#(<= ULTIMATE.start_main_~x~4 178), 34788#(<= ULTIMATE.start_main_~x~4 180), 34789#(<= ULTIMATE.start_main_~x~4 182), 34790#(<= ULTIMATE.start_main_~x~4 184), 34791#(<= ULTIMATE.start_main_~x~4 186), 34792#(<= ULTIMATE.start_main_~x~4 188), 34793#(<= ULTIMATE.start_main_~x~4 190), 34794#(<= ULTIMATE.start_main_~x~4 192), 34795#(<= ULTIMATE.start_main_~x~4 194), 34796#(<= ULTIMATE.start_main_~x~4 196), 34797#(<= ULTIMATE.start_main_~x~4 198), 34798#(<= ULTIMATE.start_main_~x~4 200), 34799#(<= ULTIMATE.start_main_~x~4 202), 34800#(<= ULTIMATE.start_main_~x~4 204), 34801#(<= ULTIMATE.start_main_~x~4 206), 34802#(<= ULTIMATE.start_main_~x~4 208), 34803#(<= ULTIMATE.start_main_~x~4 210), 34804#(<= ULTIMATE.start_main_~x~4 212), 34805#(<= ULTIMATE.start_main_~x~4 214), 34806#(<= ULTIMATE.start_main_~x~4 216), 34807#(<= ULTIMATE.start_main_~x~4 218), 34808#(<= ULTIMATE.start_main_~x~4 220), 34809#(<= ULTIMATE.start_main_~x~4 222), 34810#(<= ULTIMATE.start_main_~x~4 224), 34811#(<= ULTIMATE.start_main_~x~4 226), 34812#(<= ULTIMATE.start_main_~x~4 228), 34813#(<= ULTIMATE.start_main_~x~4 230), 34814#(<= ULTIMATE.start_main_~x~4 232), 34815#(<= ULTIMATE.start_main_~x~4 234)] [2018-07-23 13:41:59,822 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 13:41:59,822 INFO L450 AbstractCegarLoop]: Interpolant automaton has 116 states [2018-07-23 13:41:59,823 INFO L132 InterpolantAutomaton]: Constructing interpolant automaton starting with 116 interpolants. [2018-07-23 13:41:59,824 INFO L133 InterpolantAutomaton]: CoverageRelationStatistics Valid=6670, Invalid=6670, Unknown=0, NotChecked=0, Total=13340 [2018-07-23 13:41:59,825 INFO L87 Difference]: Start difference. First operand 117 states and 117 transitions. Second operand 116 states. [2018-07-23 13:41:59,946 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2018-07-23 13:41:59,946 INFO L93 Difference]: Finished difference Result 120 states and 120 transitions. [2018-07-23 13:41:59,947 INFO L142 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 116 states. [2018-07-23 13:41:59,947 INFO L78 Accepts]: Start accepts. Automaton has 116 states. Word has length 116 [2018-07-23 13:41:59,947 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2018-07-23 13:41:59,948 INFO L225 Difference]: With dead ends: 120 [2018-07-23 13:41:59,948 INFO L226 Difference]: Without dead ends: 118 [2018-07-23 13:41:59,949 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 13:41:59,950 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 118 states. [2018-07-23 13:41:59,952 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 118 to 118. [2018-07-23 13:41:59,952 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 118 states. [2018-07-23 13:41:59,953 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 118 states to 118 states and 118 transitions. [2018-07-23 13:41:59,953 INFO L78 Accepts]: Start accepts. Automaton has 118 states and 118 transitions. Word has length 116 [2018-07-23 13:41:59,953 INFO L84 Accepts]: Finished accepts. word is rejected. [2018-07-23 13:41:59,953 INFO L471 AbstractCegarLoop]: Abstraction has 118 states and 118 transitions. [2018-07-23 13:41:59,953 INFO L472 AbstractCegarLoop]: Interpolant automaton has 116 states. [2018-07-23 13:41:59,954 INFO L276 IsEmpty]: Start isEmpty. Operand 118 states and 118 transitions. [2018-07-23 13:41:59,954 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 118 [2018-07-23 13:41:59,954 INFO L349 BasicCegarLoop]: Found error trace [2018-07-23 13:41:59,954 INFO L357 BasicCegarLoop]: trace histogram [114, 1, 1, 1] [2018-07-23 13:41:59,954 INFO L414 AbstractCegarLoop]: === Iteration 115 === [ULTIMATE.startErr0AssertViolationASSERT]=== [2018-07-23 13:41:59,955 INFO L82 PathProgramCache]: Analyzing trace with hash -2138479839, now seen corresponding path program 114 times [2018-07-23 13:41:59,955 INFO L69 tionRefinementEngine]: Using refinement strategy FixedRefinementStrategy [2018-07-23 13:41:59,970 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-07-23 13:42:00,305 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 13:42:00,306 INFO L309 seRefinementStrategy]: Constructing automaton from 0 perfect and 1 imperfect interpolant sequences. [2018-07-23 13:42:00,306 INFO L324 seRefinementStrategy]: Number of different interpolants: perfect sequences [] imperfect sequences [116] total 116 [2018-07-23 13:42:00,306 INFO L142 lantAutomatonBuilder]: Constructing canonical interpolant automaton, with selfloop in false state [2018-07-23 13:42:00,306 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2018-07-23 13:42:00,307 INFO L185 omatonBuilderFactory]: Interpolants [35328#(<= ULTIMATE.start_main_~x~4 76), 35329#(<= ULTIMATE.start_main_~x~4 78), 35330#(<= ULTIMATE.start_main_~x~4 80), 35331#(<= ULTIMATE.start_main_~x~4 82), 35332#(<= ULTIMATE.start_main_~x~4 84), 35333#(<= ULTIMATE.start_main_~x~4 86), 35334#(<= ULTIMATE.start_main_~x~4 88), 35335#(<= ULTIMATE.start_main_~x~4 90), 35336#(<= ULTIMATE.start_main_~x~4 92), 35337#(<= ULTIMATE.start_main_~x~4 94), 35338#(<= ULTIMATE.start_main_~x~4 96), 35339#(<= ULTIMATE.start_main_~x~4 98), 35340#(<= ULTIMATE.start_main_~x~4 100), 35341#(<= ULTIMATE.start_main_~x~4 102), 35342#(<= ULTIMATE.start_main_~x~4 104), 35343#(<= ULTIMATE.start_main_~x~4 106), 35344#(<= ULTIMATE.start_main_~x~4 108), 35345#(<= ULTIMATE.start_main_~x~4 110), 35346#(<= ULTIMATE.start_main_~x~4 112), 35347#(<= ULTIMATE.start_main_~x~4 114), 35348#(<= ULTIMATE.start_main_~x~4 116), 35349#(<= ULTIMATE.start_main_~x~4 118), 35350#(<= ULTIMATE.start_main_~x~4 120), 35351#(<= ULTIMATE.start_main_~x~4 122), 35352#(<= ULTIMATE.start_main_~x~4 124), 35353#(<= ULTIMATE.start_main_~x~4 126), 35354#(<= ULTIMATE.start_main_~x~4 128), 35355#(<= ULTIMATE.start_main_~x~4 130), 35356#(<= ULTIMATE.start_main_~x~4 132), 35357#(<= ULTIMATE.start_main_~x~4 134), 35358#(<= ULTIMATE.start_main_~x~4 136), 35359#(<= ULTIMATE.start_main_~x~4 138), 35360#(<= ULTIMATE.start_main_~x~4 140), 35361#(<= ULTIMATE.start_main_~x~4 142), 35362#(<= ULTIMATE.start_main_~x~4 144), 35363#(<= ULTIMATE.start_main_~x~4 146), 35364#(<= ULTIMATE.start_main_~x~4 148), 35365#(<= ULTIMATE.start_main_~x~4 150), 35366#(<= ULTIMATE.start_main_~x~4 152), 35367#(<= ULTIMATE.start_main_~x~4 154), 35368#(<= ULTIMATE.start_main_~x~4 156), 35369#(<= ULTIMATE.start_main_~x~4 158), 35370#(<= ULTIMATE.start_main_~x~4 160), 35371#(<= ULTIMATE.start_main_~x~4 162), 35372#(<= ULTIMATE.start_main_~x~4 164), 35373#(<= ULTIMATE.start_main_~x~4 166), 35374#(<= ULTIMATE.start_main_~x~4 168), 35375#(<= ULTIMATE.start_main_~x~4 170), 35376#(<= ULTIMATE.start_main_~x~4 172), 35377#(<= ULTIMATE.start_main_~x~4 174), 35378#(<= ULTIMATE.start_main_~x~4 176), 35379#(<= ULTIMATE.start_main_~x~4 178), 35380#(<= ULTIMATE.start_main_~x~4 180), 35381#(<= ULTIMATE.start_main_~x~4 182), 35382#(<= ULTIMATE.start_main_~x~4 184), 35383#(<= ULTIMATE.start_main_~x~4 186), 35384#(<= ULTIMATE.start_main_~x~4 188), 35385#(<= ULTIMATE.start_main_~x~4 190), 35386#(<= ULTIMATE.start_main_~x~4 192), 35387#(<= ULTIMATE.start_main_~x~4 194), 35388#(<= ULTIMATE.start_main_~x~4 196), 35389#(<= ULTIMATE.start_main_~x~4 198), 35390#(<= ULTIMATE.start_main_~x~4 200), 35391#(<= ULTIMATE.start_main_~x~4 202), 35392#(<= ULTIMATE.start_main_~x~4 204), 35393#(<= ULTIMATE.start_main_~x~4 206), 35394#(<= ULTIMATE.start_main_~x~4 208), 35395#(<= ULTIMATE.start_main_~x~4 210), 35396#(<= ULTIMATE.start_main_~x~4 212), 35397#(<= ULTIMATE.start_main_~x~4 214), 35398#(<= ULTIMATE.start_main_~x~4 216), 35399#(<= ULTIMATE.start_main_~x~4 218), 35400#(<= ULTIMATE.start_main_~x~4 220), 35401#(<= ULTIMATE.start_main_~x~4 222), 35402#(<= ULTIMATE.start_main_~x~4 224), 35403#(<= ULTIMATE.start_main_~x~4 226), 35404#(<= ULTIMATE.start_main_~x~4 228), 35405#(<= ULTIMATE.start_main_~x~4 230), 35406#(<= ULTIMATE.start_main_~x~4 232), 35407#(<= ULTIMATE.start_main_~x~4 234), 35408#(<= ULTIMATE.start_main_~x~4 236), 35409#(<= ULTIMATE.start_main_~x~4 238), 35293#true, 35294#false, 35295#(<= ULTIMATE.start_main_~x~4 10), 35296#(<= ULTIMATE.start_main_~x~4 12), 35297#(<= ULTIMATE.start_main_~x~4 14), 35298#(<= ULTIMATE.start_main_~x~4 16), 35299#(<= ULTIMATE.start_main_~x~4 18), 35300#(<= ULTIMATE.start_main_~x~4 20), 35301#(<= ULTIMATE.start_main_~x~4 22), 35302#(<= ULTIMATE.start_main_~x~4 24), 35303#(<= ULTIMATE.start_main_~x~4 26), 35304#(<= ULTIMATE.start_main_~x~4 28), 35305#(<= ULTIMATE.start_main_~x~4 30), 35306#(<= ULTIMATE.start_main_~x~4 32), 35307#(<= ULTIMATE.start_main_~x~4 34), 35308#(<= ULTIMATE.start_main_~x~4 36), 35309#(<= ULTIMATE.start_main_~x~4 38), 35310#(<= ULTIMATE.start_main_~x~4 40), 35311#(<= ULTIMATE.start_main_~x~4 42), 35312#(<= ULTIMATE.start_main_~x~4 44), 35313#(<= ULTIMATE.start_main_~x~4 46), 35314#(<= ULTIMATE.start_main_~x~4 48), 35315#(<= ULTIMATE.start_main_~x~4 50), 35316#(<= ULTIMATE.start_main_~x~4 52), 35317#(<= ULTIMATE.start_main_~x~4 54), 35318#(<= ULTIMATE.start_main_~x~4 56), 35319#(<= ULTIMATE.start_main_~x~4 58), 35320#(<= ULTIMATE.start_main_~x~4 60), 35321#(<= ULTIMATE.start_main_~x~4 62), 35322#(<= ULTIMATE.start_main_~x~4 64), 35323#(<= ULTIMATE.start_main_~x~4 66), 35324#(<= ULTIMATE.start_main_~x~4 68), 35325#(<= ULTIMATE.start_main_~x~4 70), 35326#(<= ULTIMATE.start_main_~x~4 72), 35327#(<= ULTIMATE.start_main_~x~4 74)] [2018-07-23 13:42:00,307 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 13:42:00,308 INFO L450 AbstractCegarLoop]: Interpolant automaton has 117 states [2018-07-23 13:42:00,308 INFO L132 InterpolantAutomaton]: Constructing interpolant automaton starting with 117 interpolants. [2018-07-23 13:42:00,309 INFO L133 InterpolantAutomaton]: CoverageRelationStatistics Valid=6786, Invalid=6786, Unknown=0, NotChecked=0, Total=13572 [2018-07-23 13:42:00,309 INFO L87 Difference]: Start difference. First operand 118 states and 118 transitions. Second operand 117 states. [2018-07-23 13:42:00,402 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2018-07-23 13:42:00,402 INFO L93 Difference]: Finished difference Result 121 states and 121 transitions. [2018-07-23 13:42:00,403 INFO L142 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 117 states. [2018-07-23 13:42:00,403 INFO L78 Accepts]: Start accepts. Automaton has 117 states. Word has length 117 [2018-07-23 13:42:00,403 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2018-07-23 13:42:00,403 INFO L225 Difference]: With dead ends: 121 [2018-07-23 13:42:00,403 INFO L226 Difference]: Without dead ends: 119 [2018-07-23 13:42:00,404 INFO L575 BasicCegarLoop]: 0 DeclaredPredicates, 116 GetRequests, 1 SyntacticMatches, 0 SemanticMatches, 115 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 0 ImplicationChecksByTransitivity, 0.2s TimeCoverageRelationStatistics Valid=6786, Invalid=6786, Unknown=0, NotChecked=0, Total=13572 [2018-07-23 13:42:00,404 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 119 states. [2018-07-23 13:42:00,406 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 119 to 119. [2018-07-23 13:42:00,406 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 119 states. [2018-07-23 13:42:00,407 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 119 states to 119 states and 119 transitions. [2018-07-23 13:42:00,407 INFO L78 Accepts]: Start accepts. Automaton has 119 states and 119 transitions. Word has length 117 [2018-07-23 13:42:00,407 INFO L84 Accepts]: Finished accepts. word is rejected. [2018-07-23 13:42:00,407 INFO L471 AbstractCegarLoop]: Abstraction has 119 states and 119 transitions. [2018-07-23 13:42:00,407 INFO L472 AbstractCegarLoop]: Interpolant automaton has 117 states. [2018-07-23 13:42:00,407 INFO L276 IsEmpty]: Start isEmpty. Operand 119 states and 119 transitions. [2018-07-23 13:42:00,408 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 119 [2018-07-23 13:42:00,408 INFO L349 BasicCegarLoop]: Found error trace [2018-07-23 13:42:00,408 INFO L357 BasicCegarLoop]: trace histogram [115, 1, 1, 1] [2018-07-23 13:42:00,408 INFO L414 AbstractCegarLoop]: === Iteration 116 === [ULTIMATE.startErr0AssertViolationASSERT]=== [2018-07-23 13:42:00,409 INFO L82 PathProgramCache]: Analyzing trace with hash -1868367544, now seen corresponding path program 115 times [2018-07-23 13:42:00,409 INFO L69 tionRefinementEngine]: Using refinement strategy FixedRefinementStrategy [2018-07-23 13:42:00,421 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-07-23 13:42:00,698 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 13:42:00,699 INFO L309 seRefinementStrategy]: Constructing automaton from 0 perfect and 1 imperfect interpolant sequences. [2018-07-23 13:42:00,699 INFO L324 seRefinementStrategy]: Number of different interpolants: perfect sequences [] imperfect sequences [117] total 117 [2018-07-23 13:42:00,699 INFO L142 lantAutomatonBuilder]: Constructing canonical interpolant automaton, with selfloop in false state [2018-07-23 13:42:00,699 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2018-07-23 13:42:00,699 INFO L185 omatonBuilderFactory]: Interpolants [35890#true, 35891#false, 35892#(<= ULTIMATE.start_main_~x~4 10), 35893#(<= ULTIMATE.start_main_~x~4 12), 35894#(<= ULTIMATE.start_main_~x~4 14), 35895#(<= ULTIMATE.start_main_~x~4 16), 35896#(<= ULTIMATE.start_main_~x~4 18), 35897#(<= ULTIMATE.start_main_~x~4 20), 35898#(<= ULTIMATE.start_main_~x~4 22), 35899#(<= ULTIMATE.start_main_~x~4 24), 35900#(<= ULTIMATE.start_main_~x~4 26), 35901#(<= ULTIMATE.start_main_~x~4 28), 35902#(<= ULTIMATE.start_main_~x~4 30), 35903#(<= ULTIMATE.start_main_~x~4 32), 35904#(<= ULTIMATE.start_main_~x~4 34), 35905#(<= ULTIMATE.start_main_~x~4 36), 35906#(<= ULTIMATE.start_main_~x~4 38), 35907#(<= ULTIMATE.start_main_~x~4 40), 35908#(<= ULTIMATE.start_main_~x~4 42), 35909#(<= ULTIMATE.start_main_~x~4 44), 35910#(<= ULTIMATE.start_main_~x~4 46), 35911#(<= ULTIMATE.start_main_~x~4 48), 35912#(<= ULTIMATE.start_main_~x~4 50), 35913#(<= ULTIMATE.start_main_~x~4 52), 35914#(<= ULTIMATE.start_main_~x~4 54), 35915#(<= ULTIMATE.start_main_~x~4 56), 35916#(<= ULTIMATE.start_main_~x~4 58), 35917#(<= ULTIMATE.start_main_~x~4 60), 35918#(<= ULTIMATE.start_main_~x~4 62), 35919#(<= ULTIMATE.start_main_~x~4 64), 35920#(<= ULTIMATE.start_main_~x~4 66), 35921#(<= ULTIMATE.start_main_~x~4 68), 35922#(<= ULTIMATE.start_main_~x~4 70), 35923#(<= ULTIMATE.start_main_~x~4 72), 35924#(<= ULTIMATE.start_main_~x~4 74), 35925#(<= ULTIMATE.start_main_~x~4 76), 35926#(<= ULTIMATE.start_main_~x~4 78), 35927#(<= ULTIMATE.start_main_~x~4 80), 35928#(<= ULTIMATE.start_main_~x~4 82), 35929#(<= ULTIMATE.start_main_~x~4 84), 35930#(<= ULTIMATE.start_main_~x~4 86), 35931#(<= ULTIMATE.start_main_~x~4 88), 35932#(<= ULTIMATE.start_main_~x~4 90), 35933#(<= ULTIMATE.start_main_~x~4 92), 35934#(<= ULTIMATE.start_main_~x~4 94), 35935#(<= ULTIMATE.start_main_~x~4 96), 35936#(<= ULTIMATE.start_main_~x~4 98), 35937#(<= ULTIMATE.start_main_~x~4 100), 35938#(<= ULTIMATE.start_main_~x~4 102), 35939#(<= ULTIMATE.start_main_~x~4 104), 35940#(<= ULTIMATE.start_main_~x~4 106), 35941#(<= ULTIMATE.start_main_~x~4 108), 35942#(<= ULTIMATE.start_main_~x~4 110), 35943#(<= ULTIMATE.start_main_~x~4 112), 35944#(<= ULTIMATE.start_main_~x~4 114), 35945#(<= ULTIMATE.start_main_~x~4 116), 35946#(<= ULTIMATE.start_main_~x~4 118), 35947#(<= ULTIMATE.start_main_~x~4 120), 35948#(<= ULTIMATE.start_main_~x~4 122), 35949#(<= ULTIMATE.start_main_~x~4 124), 35950#(<= ULTIMATE.start_main_~x~4 126), 35951#(<= ULTIMATE.start_main_~x~4 128), 35952#(<= ULTIMATE.start_main_~x~4 130), 35953#(<= ULTIMATE.start_main_~x~4 132), 35954#(<= ULTIMATE.start_main_~x~4 134), 35955#(<= ULTIMATE.start_main_~x~4 136), 35956#(<= ULTIMATE.start_main_~x~4 138), 35957#(<= ULTIMATE.start_main_~x~4 140), 35958#(<= ULTIMATE.start_main_~x~4 142), 35959#(<= ULTIMATE.start_main_~x~4 144), 35960#(<= ULTIMATE.start_main_~x~4 146), 35961#(<= ULTIMATE.start_main_~x~4 148), 35962#(<= ULTIMATE.start_main_~x~4 150), 35963#(<= ULTIMATE.start_main_~x~4 152), 35964#(<= ULTIMATE.start_main_~x~4 154), 35965#(<= ULTIMATE.start_main_~x~4 156), 35966#(<= ULTIMATE.start_main_~x~4 158), 35967#(<= ULTIMATE.start_main_~x~4 160), 35968#(<= ULTIMATE.start_main_~x~4 162), 35969#(<= ULTIMATE.start_main_~x~4 164), 35970#(<= ULTIMATE.start_main_~x~4 166), 35971#(<= ULTIMATE.start_main_~x~4 168), 35972#(<= ULTIMATE.start_main_~x~4 170), 35973#(<= ULTIMATE.start_main_~x~4 172), 35974#(<= ULTIMATE.start_main_~x~4 174), 35975#(<= ULTIMATE.start_main_~x~4 176), 35976#(<= ULTIMATE.start_main_~x~4 178), 35977#(<= ULTIMATE.start_main_~x~4 180), 35978#(<= ULTIMATE.start_main_~x~4 182), 35979#(<= ULTIMATE.start_main_~x~4 184), 35980#(<= ULTIMATE.start_main_~x~4 186), 35981#(<= ULTIMATE.start_main_~x~4 188), 35982#(<= ULTIMATE.start_main_~x~4 190), 35983#(<= ULTIMATE.start_main_~x~4 192), 35984#(<= ULTIMATE.start_main_~x~4 194), 35985#(<= ULTIMATE.start_main_~x~4 196), 35986#(<= ULTIMATE.start_main_~x~4 198), 35987#(<= ULTIMATE.start_main_~x~4 200), 35988#(<= ULTIMATE.start_main_~x~4 202), 35989#(<= ULTIMATE.start_main_~x~4 204), 35990#(<= ULTIMATE.start_main_~x~4 206), 35991#(<= ULTIMATE.start_main_~x~4 208), 35992#(<= ULTIMATE.start_main_~x~4 210), 35993#(<= ULTIMATE.start_main_~x~4 212), 35994#(<= ULTIMATE.start_main_~x~4 214), 35995#(<= ULTIMATE.start_main_~x~4 216), 35996#(<= ULTIMATE.start_main_~x~4 218), 35997#(<= ULTIMATE.start_main_~x~4 220), 35998#(<= ULTIMATE.start_main_~x~4 222), 35999#(<= ULTIMATE.start_main_~x~4 224), 36000#(<= ULTIMATE.start_main_~x~4 226), 36001#(<= ULTIMATE.start_main_~x~4 228), 36002#(<= ULTIMATE.start_main_~x~4 230), 36003#(<= ULTIMATE.start_main_~x~4 232), 36004#(<= ULTIMATE.start_main_~x~4 234), 36005#(<= ULTIMATE.start_main_~x~4 236), 36006#(<= ULTIMATE.start_main_~x~4 238), 36007#(<= ULTIMATE.start_main_~x~4 240)] [2018-07-23 13:42:00,700 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 13:42:00,700 INFO L450 AbstractCegarLoop]: Interpolant automaton has 118 states [2018-07-23 13:42:00,701 INFO L132 InterpolantAutomaton]: Constructing interpolant automaton starting with 118 interpolants. [2018-07-23 13:42:00,702 INFO L133 InterpolantAutomaton]: CoverageRelationStatistics Valid=6903, Invalid=6903, Unknown=0, NotChecked=0, Total=13806 [2018-07-23 13:42:00,702 INFO L87 Difference]: Start difference. First operand 119 states and 119 transitions. Second operand 118 states. [2018-07-23 13:42:00,895 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2018-07-23 13:42:00,895 INFO L93 Difference]: Finished difference Result 122 states and 122 transitions. [2018-07-23 13:42:00,895 INFO L142 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 118 states. [2018-07-23 13:42:00,895 INFO L78 Accepts]: Start accepts. Automaton has 118 states. Word has length 118 [2018-07-23 13:42:00,896 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2018-07-23 13:42:00,896 INFO L225 Difference]: With dead ends: 122 [2018-07-23 13:42:00,896 INFO L226 Difference]: Without dead ends: 120 [2018-07-23 13:42:00,898 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 13:42:00,898 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 120 states. [2018-07-23 13:42:00,901 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 120 to 120. [2018-07-23 13:42:00,901 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 120 states. [2018-07-23 13:42:00,901 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 120 states to 120 states and 120 transitions. [2018-07-23 13:42:00,902 INFO L78 Accepts]: Start accepts. Automaton has 120 states and 120 transitions. Word has length 118 [2018-07-23 13:42:00,902 INFO L84 Accepts]: Finished accepts. word is rejected. [2018-07-23 13:42:00,902 INFO L471 AbstractCegarLoop]: Abstraction has 120 states and 120 transitions. [2018-07-23 13:42:00,902 INFO L472 AbstractCegarLoop]: Interpolant automaton has 118 states. [2018-07-23 13:42:00,902 INFO L276 IsEmpty]: Start isEmpty. Operand 120 states and 120 transitions. [2018-07-23 13:42:00,903 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 120 [2018-07-23 13:42:00,903 INFO L349 BasicCegarLoop]: Found error trace [2018-07-23 13:42:00,903 INFO L357 BasicCegarLoop]: trace histogram [116, 1, 1, 1] [2018-07-23 13:42:00,903 INFO L414 AbstractCegarLoop]: === Iteration 117 === [ULTIMATE.startErr0AssertViolationASSERT]=== [2018-07-23 13:42:00,904 INFO L82 PathProgramCache]: Analyzing trace with hash -2084820991, now seen corresponding path program 116 times [2018-07-23 13:42:00,904 INFO L69 tionRefinementEngine]: Using refinement strategy FixedRefinementStrategy [2018-07-23 13:42:00,917 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-07-23 13:42:01,261 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 13:42:01,261 INFO L309 seRefinementStrategy]: Constructing automaton from 0 perfect and 1 imperfect interpolant sequences. [2018-07-23 13:42:01,261 INFO L324 seRefinementStrategy]: Number of different interpolants: perfect sequences [] imperfect sequences [118] total 118 [2018-07-23 13:42:01,261 INFO L142 lantAutomatonBuilder]: Constructing canonical interpolant automaton, with selfloop in false state [2018-07-23 13:42:01,262 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2018-07-23 13:42:01,262 INFO L185 omatonBuilderFactory]: Interpolants [36608#(<= ULTIMATE.start_main_~x~4 238), 36609#(<= ULTIMATE.start_main_~x~4 240), 36610#(<= ULTIMATE.start_main_~x~4 242), 36492#true, 36493#false, 36494#(<= ULTIMATE.start_main_~x~4 10), 36495#(<= ULTIMATE.start_main_~x~4 12), 36496#(<= ULTIMATE.start_main_~x~4 14), 36497#(<= ULTIMATE.start_main_~x~4 16), 36498#(<= ULTIMATE.start_main_~x~4 18), 36499#(<= ULTIMATE.start_main_~x~4 20), 36500#(<= ULTIMATE.start_main_~x~4 22), 36501#(<= ULTIMATE.start_main_~x~4 24), 36502#(<= ULTIMATE.start_main_~x~4 26), 36503#(<= ULTIMATE.start_main_~x~4 28), 36504#(<= ULTIMATE.start_main_~x~4 30), 36505#(<= ULTIMATE.start_main_~x~4 32), 36506#(<= ULTIMATE.start_main_~x~4 34), 36507#(<= ULTIMATE.start_main_~x~4 36), 36508#(<= ULTIMATE.start_main_~x~4 38), 36509#(<= ULTIMATE.start_main_~x~4 40), 36510#(<= ULTIMATE.start_main_~x~4 42), 36511#(<= ULTIMATE.start_main_~x~4 44), 36512#(<= ULTIMATE.start_main_~x~4 46), 36513#(<= ULTIMATE.start_main_~x~4 48), 36514#(<= ULTIMATE.start_main_~x~4 50), 36515#(<= ULTIMATE.start_main_~x~4 52), 36516#(<= ULTIMATE.start_main_~x~4 54), 36517#(<= ULTIMATE.start_main_~x~4 56), 36518#(<= ULTIMATE.start_main_~x~4 58), 36519#(<= ULTIMATE.start_main_~x~4 60), 36520#(<= ULTIMATE.start_main_~x~4 62), 36521#(<= ULTIMATE.start_main_~x~4 64), 36522#(<= ULTIMATE.start_main_~x~4 66), 36523#(<= ULTIMATE.start_main_~x~4 68), 36524#(<= ULTIMATE.start_main_~x~4 70), 36525#(<= ULTIMATE.start_main_~x~4 72), 36526#(<= ULTIMATE.start_main_~x~4 74), 36527#(<= ULTIMATE.start_main_~x~4 76), 36528#(<= ULTIMATE.start_main_~x~4 78), 36529#(<= ULTIMATE.start_main_~x~4 80), 36530#(<= ULTIMATE.start_main_~x~4 82), 36531#(<= ULTIMATE.start_main_~x~4 84), 36532#(<= ULTIMATE.start_main_~x~4 86), 36533#(<= ULTIMATE.start_main_~x~4 88), 36534#(<= ULTIMATE.start_main_~x~4 90), 36535#(<= ULTIMATE.start_main_~x~4 92), 36536#(<= ULTIMATE.start_main_~x~4 94), 36537#(<= ULTIMATE.start_main_~x~4 96), 36538#(<= ULTIMATE.start_main_~x~4 98), 36539#(<= ULTIMATE.start_main_~x~4 100), 36540#(<= ULTIMATE.start_main_~x~4 102), 36541#(<= ULTIMATE.start_main_~x~4 104), 36542#(<= ULTIMATE.start_main_~x~4 106), 36543#(<= ULTIMATE.start_main_~x~4 108), 36544#(<= ULTIMATE.start_main_~x~4 110), 36545#(<= ULTIMATE.start_main_~x~4 112), 36546#(<= ULTIMATE.start_main_~x~4 114), 36547#(<= ULTIMATE.start_main_~x~4 116), 36548#(<= ULTIMATE.start_main_~x~4 118), 36549#(<= ULTIMATE.start_main_~x~4 120), 36550#(<= ULTIMATE.start_main_~x~4 122), 36551#(<= ULTIMATE.start_main_~x~4 124), 36552#(<= ULTIMATE.start_main_~x~4 126), 36553#(<= ULTIMATE.start_main_~x~4 128), 36554#(<= ULTIMATE.start_main_~x~4 130), 36555#(<= ULTIMATE.start_main_~x~4 132), 36556#(<= ULTIMATE.start_main_~x~4 134), 36557#(<= ULTIMATE.start_main_~x~4 136), 36558#(<= ULTIMATE.start_main_~x~4 138), 36559#(<= ULTIMATE.start_main_~x~4 140), 36560#(<= ULTIMATE.start_main_~x~4 142), 36561#(<= ULTIMATE.start_main_~x~4 144), 36562#(<= ULTIMATE.start_main_~x~4 146), 36563#(<= ULTIMATE.start_main_~x~4 148), 36564#(<= ULTIMATE.start_main_~x~4 150), 36565#(<= ULTIMATE.start_main_~x~4 152), 36566#(<= ULTIMATE.start_main_~x~4 154), 36567#(<= ULTIMATE.start_main_~x~4 156), 36568#(<= ULTIMATE.start_main_~x~4 158), 36569#(<= ULTIMATE.start_main_~x~4 160), 36570#(<= ULTIMATE.start_main_~x~4 162), 36571#(<= ULTIMATE.start_main_~x~4 164), 36572#(<= ULTIMATE.start_main_~x~4 166), 36573#(<= ULTIMATE.start_main_~x~4 168), 36574#(<= ULTIMATE.start_main_~x~4 170), 36575#(<= ULTIMATE.start_main_~x~4 172), 36576#(<= ULTIMATE.start_main_~x~4 174), 36577#(<= ULTIMATE.start_main_~x~4 176), 36578#(<= ULTIMATE.start_main_~x~4 178), 36579#(<= ULTIMATE.start_main_~x~4 180), 36580#(<= ULTIMATE.start_main_~x~4 182), 36581#(<= ULTIMATE.start_main_~x~4 184), 36582#(<= ULTIMATE.start_main_~x~4 186), 36583#(<= ULTIMATE.start_main_~x~4 188), 36584#(<= ULTIMATE.start_main_~x~4 190), 36585#(<= ULTIMATE.start_main_~x~4 192), 36586#(<= ULTIMATE.start_main_~x~4 194), 36587#(<= ULTIMATE.start_main_~x~4 196), 36588#(<= ULTIMATE.start_main_~x~4 198), 36589#(<= ULTIMATE.start_main_~x~4 200), 36590#(<= ULTIMATE.start_main_~x~4 202), 36591#(<= ULTIMATE.start_main_~x~4 204), 36592#(<= ULTIMATE.start_main_~x~4 206), 36593#(<= ULTIMATE.start_main_~x~4 208), 36594#(<= ULTIMATE.start_main_~x~4 210), 36595#(<= ULTIMATE.start_main_~x~4 212), 36596#(<= ULTIMATE.start_main_~x~4 214), 36597#(<= ULTIMATE.start_main_~x~4 216), 36598#(<= ULTIMATE.start_main_~x~4 218), 36599#(<= ULTIMATE.start_main_~x~4 220), 36600#(<= ULTIMATE.start_main_~x~4 222), 36601#(<= ULTIMATE.start_main_~x~4 224), 36602#(<= ULTIMATE.start_main_~x~4 226), 36603#(<= ULTIMATE.start_main_~x~4 228), 36604#(<= ULTIMATE.start_main_~x~4 230), 36605#(<= ULTIMATE.start_main_~x~4 232), 36606#(<= ULTIMATE.start_main_~x~4 234), 36607#(<= ULTIMATE.start_main_~x~4 236)] [2018-07-23 13:42:01,262 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 13:42:01,263 INFO L450 AbstractCegarLoop]: Interpolant automaton has 119 states [2018-07-23 13:42:01,264 INFO L132 InterpolantAutomaton]: Constructing interpolant automaton starting with 119 interpolants. [2018-07-23 13:42:01,265 INFO L133 InterpolantAutomaton]: CoverageRelationStatistics Valid=7021, Invalid=7021, Unknown=0, NotChecked=0, Total=14042 [2018-07-23 13:42:01,265 INFO L87 Difference]: Start difference. First operand 120 states and 120 transitions. Second operand 119 states. [2018-07-23 13:42:01,423 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2018-07-23 13:42:01,423 INFO L93 Difference]: Finished difference Result 123 states and 123 transitions. [2018-07-23 13:42:01,423 INFO L142 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 119 states. [2018-07-23 13:42:01,424 INFO L78 Accepts]: Start accepts. Automaton has 119 states. Word has length 119 [2018-07-23 13:42:01,424 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2018-07-23 13:42:01,424 INFO L225 Difference]: With dead ends: 123 [2018-07-23 13:42:01,424 INFO L226 Difference]: Without dead ends: 121 [2018-07-23 13:42:01,425 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 13:42:01,425 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 121 states. [2018-07-23 13:42:01,428 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 121 to 121. [2018-07-23 13:42:01,428 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 121 states. [2018-07-23 13:42:01,428 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 121 states to 121 states and 121 transitions. [2018-07-23 13:42:01,428 INFO L78 Accepts]: Start accepts. Automaton has 121 states and 121 transitions. Word has length 119 [2018-07-23 13:42:01,429 INFO L84 Accepts]: Finished accepts. word is rejected. [2018-07-23 13:42:01,429 INFO L471 AbstractCegarLoop]: Abstraction has 121 states and 121 transitions. [2018-07-23 13:42:01,429 INFO L472 AbstractCegarLoop]: Interpolant automaton has 119 states. [2018-07-23 13:42:01,429 INFO L276 IsEmpty]: Start isEmpty. Operand 121 states and 121 transitions. [2018-07-23 13:42:01,429 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 121 [2018-07-23 13:42:01,429 INFO L349 BasicCegarLoop]: Found error trace [2018-07-23 13:42:01,430 INFO L357 BasicCegarLoop]: trace histogram [117, 1, 1, 1] [2018-07-23 13:42:01,430 INFO L414 AbstractCegarLoop]: === Iteration 118 === [ULTIMATE.startErr0AssertViolationASSERT]=== [2018-07-23 13:42:01,430 INFO L82 PathProgramCache]: Analyzing trace with hash -204943256, now seen corresponding path program 117 times [2018-07-23 13:42:01,430 INFO L69 tionRefinementEngine]: Using refinement strategy FixedRefinementStrategy [2018-07-23 13:42:01,444 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-07-23 13:42:01,738 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 13:42:01,739 INFO L309 seRefinementStrategy]: Constructing automaton from 0 perfect and 1 imperfect interpolant sequences. [2018-07-23 13:42:01,739 INFO L324 seRefinementStrategy]: Number of different interpolants: perfect sequences [] imperfect sequences [119] total 119 [2018-07-23 13:42:01,739 INFO L142 lantAutomatonBuilder]: Constructing canonical interpolant automaton, with selfloop in false state [2018-07-23 13:42:01,739 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2018-07-23 13:42:01,740 INFO L185 omatonBuilderFactory]: Interpolants [37120#(<= ULTIMATE.start_main_~x~4 48), 37121#(<= ULTIMATE.start_main_~x~4 50), 37122#(<= ULTIMATE.start_main_~x~4 52), 37123#(<= ULTIMATE.start_main_~x~4 54), 37124#(<= ULTIMATE.start_main_~x~4 56), 37125#(<= ULTIMATE.start_main_~x~4 58), 37126#(<= ULTIMATE.start_main_~x~4 60), 37127#(<= ULTIMATE.start_main_~x~4 62), 37128#(<= ULTIMATE.start_main_~x~4 64), 37129#(<= ULTIMATE.start_main_~x~4 66), 37130#(<= ULTIMATE.start_main_~x~4 68), 37131#(<= ULTIMATE.start_main_~x~4 70), 37132#(<= ULTIMATE.start_main_~x~4 72), 37133#(<= ULTIMATE.start_main_~x~4 74), 37134#(<= ULTIMATE.start_main_~x~4 76), 37135#(<= ULTIMATE.start_main_~x~4 78), 37136#(<= ULTIMATE.start_main_~x~4 80), 37137#(<= ULTIMATE.start_main_~x~4 82), 37138#(<= ULTIMATE.start_main_~x~4 84), 37139#(<= ULTIMATE.start_main_~x~4 86), 37140#(<= ULTIMATE.start_main_~x~4 88), 37141#(<= ULTIMATE.start_main_~x~4 90), 37142#(<= ULTIMATE.start_main_~x~4 92), 37143#(<= ULTIMATE.start_main_~x~4 94), 37144#(<= ULTIMATE.start_main_~x~4 96), 37145#(<= ULTIMATE.start_main_~x~4 98), 37146#(<= ULTIMATE.start_main_~x~4 100), 37147#(<= ULTIMATE.start_main_~x~4 102), 37148#(<= ULTIMATE.start_main_~x~4 104), 37149#(<= ULTIMATE.start_main_~x~4 106), 37150#(<= ULTIMATE.start_main_~x~4 108), 37151#(<= ULTIMATE.start_main_~x~4 110), 37152#(<= ULTIMATE.start_main_~x~4 112), 37153#(<= ULTIMATE.start_main_~x~4 114), 37154#(<= ULTIMATE.start_main_~x~4 116), 37155#(<= ULTIMATE.start_main_~x~4 118), 37156#(<= ULTIMATE.start_main_~x~4 120), 37157#(<= ULTIMATE.start_main_~x~4 122), 37158#(<= ULTIMATE.start_main_~x~4 124), 37159#(<= ULTIMATE.start_main_~x~4 126), 37160#(<= ULTIMATE.start_main_~x~4 128), 37161#(<= ULTIMATE.start_main_~x~4 130), 37162#(<= ULTIMATE.start_main_~x~4 132), 37163#(<= ULTIMATE.start_main_~x~4 134), 37164#(<= ULTIMATE.start_main_~x~4 136), 37165#(<= ULTIMATE.start_main_~x~4 138), 37166#(<= ULTIMATE.start_main_~x~4 140), 37167#(<= ULTIMATE.start_main_~x~4 142), 37168#(<= ULTIMATE.start_main_~x~4 144), 37169#(<= ULTIMATE.start_main_~x~4 146), 37170#(<= ULTIMATE.start_main_~x~4 148), 37171#(<= ULTIMATE.start_main_~x~4 150), 37172#(<= ULTIMATE.start_main_~x~4 152), 37173#(<= ULTIMATE.start_main_~x~4 154), 37174#(<= ULTIMATE.start_main_~x~4 156), 37175#(<= ULTIMATE.start_main_~x~4 158), 37176#(<= ULTIMATE.start_main_~x~4 160), 37177#(<= ULTIMATE.start_main_~x~4 162), 37178#(<= ULTIMATE.start_main_~x~4 164), 37179#(<= ULTIMATE.start_main_~x~4 166), 37180#(<= ULTIMATE.start_main_~x~4 168), 37181#(<= ULTIMATE.start_main_~x~4 170), 37182#(<= ULTIMATE.start_main_~x~4 172), 37183#(<= ULTIMATE.start_main_~x~4 174), 37184#(<= ULTIMATE.start_main_~x~4 176), 37185#(<= ULTIMATE.start_main_~x~4 178), 37186#(<= ULTIMATE.start_main_~x~4 180), 37187#(<= ULTIMATE.start_main_~x~4 182), 37188#(<= ULTIMATE.start_main_~x~4 184), 37189#(<= ULTIMATE.start_main_~x~4 186), 37190#(<= ULTIMATE.start_main_~x~4 188), 37191#(<= ULTIMATE.start_main_~x~4 190), 37192#(<= ULTIMATE.start_main_~x~4 192), 37193#(<= ULTIMATE.start_main_~x~4 194), 37194#(<= ULTIMATE.start_main_~x~4 196), 37195#(<= ULTIMATE.start_main_~x~4 198), 37196#(<= ULTIMATE.start_main_~x~4 200), 37197#(<= ULTIMATE.start_main_~x~4 202), 37198#(<= ULTIMATE.start_main_~x~4 204), 37199#(<= ULTIMATE.start_main_~x~4 206), 37200#(<= ULTIMATE.start_main_~x~4 208), 37201#(<= ULTIMATE.start_main_~x~4 210), 37202#(<= ULTIMATE.start_main_~x~4 212), 37203#(<= ULTIMATE.start_main_~x~4 214), 37204#(<= ULTIMATE.start_main_~x~4 216), 37205#(<= ULTIMATE.start_main_~x~4 218), 37206#(<= ULTIMATE.start_main_~x~4 220), 37207#(<= ULTIMATE.start_main_~x~4 222), 37208#(<= ULTIMATE.start_main_~x~4 224), 37209#(<= ULTIMATE.start_main_~x~4 226), 37210#(<= ULTIMATE.start_main_~x~4 228), 37211#(<= ULTIMATE.start_main_~x~4 230), 37212#(<= ULTIMATE.start_main_~x~4 232), 37213#(<= ULTIMATE.start_main_~x~4 234), 37214#(<= ULTIMATE.start_main_~x~4 236), 37215#(<= ULTIMATE.start_main_~x~4 238), 37216#(<= ULTIMATE.start_main_~x~4 240), 37217#(<= ULTIMATE.start_main_~x~4 242), 37218#(<= ULTIMATE.start_main_~x~4 244), 37099#true, 37100#false, 37101#(<= ULTIMATE.start_main_~x~4 10), 37102#(<= ULTIMATE.start_main_~x~4 12), 37103#(<= ULTIMATE.start_main_~x~4 14), 37104#(<= ULTIMATE.start_main_~x~4 16), 37105#(<= ULTIMATE.start_main_~x~4 18), 37106#(<= ULTIMATE.start_main_~x~4 20), 37107#(<= ULTIMATE.start_main_~x~4 22), 37108#(<= ULTIMATE.start_main_~x~4 24), 37109#(<= ULTIMATE.start_main_~x~4 26), 37110#(<= ULTIMATE.start_main_~x~4 28), 37111#(<= ULTIMATE.start_main_~x~4 30), 37112#(<= ULTIMATE.start_main_~x~4 32), 37113#(<= ULTIMATE.start_main_~x~4 34), 37114#(<= ULTIMATE.start_main_~x~4 36), 37115#(<= ULTIMATE.start_main_~x~4 38), 37116#(<= ULTIMATE.start_main_~x~4 40), 37117#(<= ULTIMATE.start_main_~x~4 42), 37118#(<= ULTIMATE.start_main_~x~4 44), 37119#(<= ULTIMATE.start_main_~x~4 46)] [2018-07-23 13:42:01,740 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 13:42:01,741 INFO L450 AbstractCegarLoop]: Interpolant automaton has 120 states [2018-07-23 13:42:01,742 INFO L132 InterpolantAutomaton]: Constructing interpolant automaton starting with 120 interpolants. [2018-07-23 13:42:01,743 INFO L133 InterpolantAutomaton]: CoverageRelationStatistics Valid=7140, Invalid=7140, Unknown=0, NotChecked=0, Total=14280 [2018-07-23 13:42:01,743 INFO L87 Difference]: Start difference. First operand 121 states and 121 transitions. Second operand 120 states. [2018-07-23 13:42:01,862 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2018-07-23 13:42:01,863 INFO L93 Difference]: Finished difference Result 124 states and 124 transitions. [2018-07-23 13:42:01,863 INFO L142 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 120 states. [2018-07-23 13:42:01,863 INFO L78 Accepts]: Start accepts. Automaton has 120 states. Word has length 120 [2018-07-23 13:42:01,863 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2018-07-23 13:42:01,864 INFO L225 Difference]: With dead ends: 124 [2018-07-23 13:42:01,864 INFO L226 Difference]: Without dead ends: 122 [2018-07-23 13:42:01,865 INFO L575 BasicCegarLoop]: 0 DeclaredPredicates, 119 GetRequests, 1 SyntacticMatches, 0 SemanticMatches, 118 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 0 ImplicationChecksByTransitivity, 0.2s TimeCoverageRelationStatistics Valid=7140, Invalid=7140, Unknown=0, NotChecked=0, Total=14280 [2018-07-23 13:42:01,866 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 122 states. [2018-07-23 13:42:01,868 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 122 to 122. [2018-07-23 13:42:01,868 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 122 states. [2018-07-23 13:42:01,869 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 122 states to 122 states and 122 transitions. [2018-07-23 13:42:01,869 INFO L78 Accepts]: Start accepts. Automaton has 122 states and 122 transitions. Word has length 120 [2018-07-23 13:42:01,869 INFO L84 Accepts]: Finished accepts. word is rejected. [2018-07-23 13:42:01,869 INFO L471 AbstractCegarLoop]: Abstraction has 122 states and 122 transitions. [2018-07-23 13:42:01,869 INFO L472 AbstractCegarLoop]: Interpolant automaton has 120 states. [2018-07-23 13:42:01,869 INFO L276 IsEmpty]: Start isEmpty. Operand 122 states and 122 transitions. [2018-07-23 13:42:01,870 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 122 [2018-07-23 13:42:01,870 INFO L349 BasicCegarLoop]: Found error trace [2018-07-23 13:42:01,870 INFO L357 BasicCegarLoop]: trace histogram [118, 1, 1, 1] [2018-07-23 13:42:01,870 INFO L414 AbstractCegarLoop]: === Iteration 119 === [ULTIMATE.startErr0AssertViolationASSERT]=== [2018-07-23 13:42:01,871 INFO L82 PathProgramCache]: Analyzing trace with hash -2058275615, now seen corresponding path program 118 times [2018-07-23 13:42:01,871 INFO L69 tionRefinementEngine]: Using refinement strategy FixedRefinementStrategy [2018-07-23 13:42:01,883 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-07-23 13:42:02,188 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 13:42:02,188 INFO L309 seRefinementStrategy]: Constructing automaton from 0 perfect and 1 imperfect interpolant sequences. [2018-07-23 13:42:02,188 INFO L324 seRefinementStrategy]: Number of different interpolants: perfect sequences [] imperfect sequences [120] total 120 [2018-07-23 13:42:02,189 INFO L142 lantAutomatonBuilder]: Constructing canonical interpolant automaton, with selfloop in false state [2018-07-23 13:42:02,189 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2018-07-23 13:42:02,189 INFO L185 omatonBuilderFactory]: Interpolants [37711#true, 37712#false, 37713#(<= ULTIMATE.start_main_~x~4 10), 37714#(<= ULTIMATE.start_main_~x~4 12), 37715#(<= ULTIMATE.start_main_~x~4 14), 37716#(<= ULTIMATE.start_main_~x~4 16), 37717#(<= ULTIMATE.start_main_~x~4 18), 37718#(<= ULTIMATE.start_main_~x~4 20), 37719#(<= ULTIMATE.start_main_~x~4 22), 37720#(<= ULTIMATE.start_main_~x~4 24), 37721#(<= ULTIMATE.start_main_~x~4 26), 37722#(<= ULTIMATE.start_main_~x~4 28), 37723#(<= ULTIMATE.start_main_~x~4 30), 37724#(<= ULTIMATE.start_main_~x~4 32), 37725#(<= ULTIMATE.start_main_~x~4 34), 37726#(<= ULTIMATE.start_main_~x~4 36), 37727#(<= ULTIMATE.start_main_~x~4 38), 37728#(<= ULTIMATE.start_main_~x~4 40), 37729#(<= ULTIMATE.start_main_~x~4 42), 37730#(<= ULTIMATE.start_main_~x~4 44), 37731#(<= ULTIMATE.start_main_~x~4 46), 37732#(<= ULTIMATE.start_main_~x~4 48), 37733#(<= ULTIMATE.start_main_~x~4 50), 37734#(<= ULTIMATE.start_main_~x~4 52), 37735#(<= ULTIMATE.start_main_~x~4 54), 37736#(<= ULTIMATE.start_main_~x~4 56), 37737#(<= ULTIMATE.start_main_~x~4 58), 37738#(<= ULTIMATE.start_main_~x~4 60), 37739#(<= ULTIMATE.start_main_~x~4 62), 37740#(<= ULTIMATE.start_main_~x~4 64), 37741#(<= ULTIMATE.start_main_~x~4 66), 37742#(<= ULTIMATE.start_main_~x~4 68), 37743#(<= ULTIMATE.start_main_~x~4 70), 37744#(<= ULTIMATE.start_main_~x~4 72), 37745#(<= ULTIMATE.start_main_~x~4 74), 37746#(<= ULTIMATE.start_main_~x~4 76), 37747#(<= ULTIMATE.start_main_~x~4 78), 37748#(<= ULTIMATE.start_main_~x~4 80), 37749#(<= ULTIMATE.start_main_~x~4 82), 37750#(<= ULTIMATE.start_main_~x~4 84), 37751#(<= ULTIMATE.start_main_~x~4 86), 37752#(<= ULTIMATE.start_main_~x~4 88), 37753#(<= ULTIMATE.start_main_~x~4 90), 37754#(<= ULTIMATE.start_main_~x~4 92), 37755#(<= ULTIMATE.start_main_~x~4 94), 37756#(<= ULTIMATE.start_main_~x~4 96), 37757#(<= ULTIMATE.start_main_~x~4 98), 37758#(<= ULTIMATE.start_main_~x~4 100), 37759#(<= ULTIMATE.start_main_~x~4 102), 37760#(<= ULTIMATE.start_main_~x~4 104), 37761#(<= ULTIMATE.start_main_~x~4 106), 37762#(<= ULTIMATE.start_main_~x~4 108), 37763#(<= ULTIMATE.start_main_~x~4 110), 37764#(<= ULTIMATE.start_main_~x~4 112), 37765#(<= ULTIMATE.start_main_~x~4 114), 37766#(<= ULTIMATE.start_main_~x~4 116), 37767#(<= ULTIMATE.start_main_~x~4 118), 37768#(<= ULTIMATE.start_main_~x~4 120), 37769#(<= ULTIMATE.start_main_~x~4 122), 37770#(<= ULTIMATE.start_main_~x~4 124), 37771#(<= ULTIMATE.start_main_~x~4 126), 37772#(<= ULTIMATE.start_main_~x~4 128), 37773#(<= ULTIMATE.start_main_~x~4 130), 37774#(<= ULTIMATE.start_main_~x~4 132), 37775#(<= ULTIMATE.start_main_~x~4 134), 37776#(<= ULTIMATE.start_main_~x~4 136), 37777#(<= ULTIMATE.start_main_~x~4 138), 37778#(<= ULTIMATE.start_main_~x~4 140), 37779#(<= ULTIMATE.start_main_~x~4 142), 37780#(<= ULTIMATE.start_main_~x~4 144), 37781#(<= ULTIMATE.start_main_~x~4 146), 37782#(<= ULTIMATE.start_main_~x~4 148), 37783#(<= ULTIMATE.start_main_~x~4 150), 37784#(<= ULTIMATE.start_main_~x~4 152), 37785#(<= ULTIMATE.start_main_~x~4 154), 37786#(<= ULTIMATE.start_main_~x~4 156), 37787#(<= ULTIMATE.start_main_~x~4 158), 37788#(<= ULTIMATE.start_main_~x~4 160), 37789#(<= ULTIMATE.start_main_~x~4 162), 37790#(<= ULTIMATE.start_main_~x~4 164), 37791#(<= ULTIMATE.start_main_~x~4 166), 37792#(<= ULTIMATE.start_main_~x~4 168), 37793#(<= ULTIMATE.start_main_~x~4 170), 37794#(<= ULTIMATE.start_main_~x~4 172), 37795#(<= ULTIMATE.start_main_~x~4 174), 37796#(<= ULTIMATE.start_main_~x~4 176), 37797#(<= ULTIMATE.start_main_~x~4 178), 37798#(<= ULTIMATE.start_main_~x~4 180), 37799#(<= ULTIMATE.start_main_~x~4 182), 37800#(<= ULTIMATE.start_main_~x~4 184), 37801#(<= ULTIMATE.start_main_~x~4 186), 37802#(<= ULTIMATE.start_main_~x~4 188), 37803#(<= ULTIMATE.start_main_~x~4 190), 37804#(<= ULTIMATE.start_main_~x~4 192), 37805#(<= ULTIMATE.start_main_~x~4 194), 37806#(<= ULTIMATE.start_main_~x~4 196), 37807#(<= ULTIMATE.start_main_~x~4 198), 37808#(<= ULTIMATE.start_main_~x~4 200), 37809#(<= ULTIMATE.start_main_~x~4 202), 37810#(<= ULTIMATE.start_main_~x~4 204), 37811#(<= ULTIMATE.start_main_~x~4 206), 37812#(<= ULTIMATE.start_main_~x~4 208), 37813#(<= ULTIMATE.start_main_~x~4 210), 37814#(<= ULTIMATE.start_main_~x~4 212), 37815#(<= ULTIMATE.start_main_~x~4 214), 37816#(<= ULTIMATE.start_main_~x~4 216), 37817#(<= ULTIMATE.start_main_~x~4 218), 37818#(<= ULTIMATE.start_main_~x~4 220), 37819#(<= ULTIMATE.start_main_~x~4 222), 37820#(<= ULTIMATE.start_main_~x~4 224), 37821#(<= ULTIMATE.start_main_~x~4 226), 37822#(<= ULTIMATE.start_main_~x~4 228), 37823#(<= ULTIMATE.start_main_~x~4 230), 37824#(<= ULTIMATE.start_main_~x~4 232), 37825#(<= ULTIMATE.start_main_~x~4 234), 37826#(<= ULTIMATE.start_main_~x~4 236), 37827#(<= ULTIMATE.start_main_~x~4 238), 37828#(<= ULTIMATE.start_main_~x~4 240), 37829#(<= ULTIMATE.start_main_~x~4 242), 37830#(<= ULTIMATE.start_main_~x~4 244), 37831#(<= ULTIMATE.start_main_~x~4 246)] [2018-07-23 13:42:02,190 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 13:42:02,190 INFO L450 AbstractCegarLoop]: Interpolant automaton has 121 states [2018-07-23 13:42:02,192 INFO L132 InterpolantAutomaton]: Constructing interpolant automaton starting with 121 interpolants. [2018-07-23 13:42:02,193 INFO L133 InterpolantAutomaton]: CoverageRelationStatistics Valid=7260, Invalid=7260, Unknown=0, NotChecked=0, Total=14520 [2018-07-23 13:42:02,193 INFO L87 Difference]: Start difference. First operand 122 states and 122 transitions. Second operand 121 states. [2018-07-23 13:42:02,324 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2018-07-23 13:42:02,324 INFO L93 Difference]: Finished difference Result 125 states and 125 transitions. [2018-07-23 13:42:02,324 INFO L142 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 121 states. [2018-07-23 13:42:02,324 INFO L78 Accepts]: Start accepts. Automaton has 121 states. Word has length 121 [2018-07-23 13:42:02,324 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2018-07-23 13:42:02,325 INFO L225 Difference]: With dead ends: 125 [2018-07-23 13:42:02,325 INFO L226 Difference]: Without dead ends: 123 [2018-07-23 13:42:02,327 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 13:42:02,327 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 123 states. [2018-07-23 13:42:02,329 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 123 to 123. [2018-07-23 13:42:02,330 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 123 states. [2018-07-23 13:42:02,330 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 123 states to 123 states and 123 transitions. [2018-07-23 13:42:02,330 INFO L78 Accepts]: Start accepts. Automaton has 123 states and 123 transitions. Word has length 121 [2018-07-23 13:42:02,331 INFO L84 Accepts]: Finished accepts. word is rejected. [2018-07-23 13:42:02,331 INFO L471 AbstractCegarLoop]: Abstraction has 123 states and 123 transitions. [2018-07-23 13:42:02,331 INFO L472 AbstractCegarLoop]: Interpolant automaton has 121 states. [2018-07-23 13:42:02,331 INFO L276 IsEmpty]: Start isEmpty. Operand 123 states and 123 transitions. [2018-07-23 13:42:02,331 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 123 [2018-07-23 13:42:02,332 INFO L349 BasicCegarLoop]: Found error trace [2018-07-23 13:42:02,332 INFO L357 BasicCegarLoop]: trace histogram [119, 1, 1, 1] [2018-07-23 13:42:02,332 INFO L414 AbstractCegarLoop]: === Iteration 120 === [ULTIMATE.startErr0AssertViolationASSERT]=== [2018-07-23 13:42:02,332 INFO L82 PathProgramCache]: Analyzing trace with hash 617963400, now seen corresponding path program 119 times [2018-07-23 13:42:02,332 INFO L69 tionRefinementEngine]: Using refinement strategy FixedRefinementStrategy [2018-07-23 13:42:02,349 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-07-23 13:42:02,781 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 13:42:02,781 INFO L309 seRefinementStrategy]: Constructing automaton from 0 perfect and 1 imperfect interpolant sequences. [2018-07-23 13:42:02,781 INFO L324 seRefinementStrategy]: Number of different interpolants: perfect sequences [] imperfect sequences [121] total 121 [2018-07-23 13:42:02,781 INFO L142 lantAutomatonBuilder]: Constructing canonical interpolant automaton, with selfloop in false state [2018-07-23 13:42:02,781 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2018-07-23 13:42:02,782 INFO L185 omatonBuilderFactory]: Interpolants [38400#(<= ULTIMATE.start_main_~x~4 150), 38401#(<= ULTIMATE.start_main_~x~4 152), 38402#(<= ULTIMATE.start_main_~x~4 154), 38403#(<= ULTIMATE.start_main_~x~4 156), 38404#(<= ULTIMATE.start_main_~x~4 158), 38405#(<= ULTIMATE.start_main_~x~4 160), 38406#(<= ULTIMATE.start_main_~x~4 162), 38407#(<= ULTIMATE.start_main_~x~4 164), 38408#(<= ULTIMATE.start_main_~x~4 166), 38409#(<= ULTIMATE.start_main_~x~4 168), 38410#(<= ULTIMATE.start_main_~x~4 170), 38411#(<= ULTIMATE.start_main_~x~4 172), 38412#(<= ULTIMATE.start_main_~x~4 174), 38413#(<= ULTIMATE.start_main_~x~4 176), 38414#(<= ULTIMATE.start_main_~x~4 178), 38415#(<= ULTIMATE.start_main_~x~4 180), 38416#(<= ULTIMATE.start_main_~x~4 182), 38417#(<= ULTIMATE.start_main_~x~4 184), 38418#(<= ULTIMATE.start_main_~x~4 186), 38419#(<= ULTIMATE.start_main_~x~4 188), 38420#(<= ULTIMATE.start_main_~x~4 190), 38421#(<= ULTIMATE.start_main_~x~4 192), 38422#(<= ULTIMATE.start_main_~x~4 194), 38423#(<= ULTIMATE.start_main_~x~4 196), 38424#(<= ULTIMATE.start_main_~x~4 198), 38425#(<= ULTIMATE.start_main_~x~4 200), 38426#(<= ULTIMATE.start_main_~x~4 202), 38427#(<= ULTIMATE.start_main_~x~4 204), 38428#(<= ULTIMATE.start_main_~x~4 206), 38429#(<= ULTIMATE.start_main_~x~4 208), 38430#(<= ULTIMATE.start_main_~x~4 210), 38431#(<= ULTIMATE.start_main_~x~4 212), 38432#(<= ULTIMATE.start_main_~x~4 214), 38433#(<= ULTIMATE.start_main_~x~4 216), 38434#(<= ULTIMATE.start_main_~x~4 218), 38435#(<= ULTIMATE.start_main_~x~4 220), 38436#(<= ULTIMATE.start_main_~x~4 222), 38437#(<= ULTIMATE.start_main_~x~4 224), 38438#(<= ULTIMATE.start_main_~x~4 226), 38439#(<= ULTIMATE.start_main_~x~4 228), 38440#(<= ULTIMATE.start_main_~x~4 230), 38441#(<= ULTIMATE.start_main_~x~4 232), 38442#(<= ULTIMATE.start_main_~x~4 234), 38443#(<= ULTIMATE.start_main_~x~4 236), 38444#(<= ULTIMATE.start_main_~x~4 238), 38445#(<= ULTIMATE.start_main_~x~4 240), 38446#(<= ULTIMATE.start_main_~x~4 242), 38447#(<= ULTIMATE.start_main_~x~4 244), 38448#(<= ULTIMATE.start_main_~x~4 246), 38449#(<= ULTIMATE.start_main_~x~4 248), 38328#true, 38329#false, 38330#(<= ULTIMATE.start_main_~x~4 10), 38331#(<= ULTIMATE.start_main_~x~4 12), 38332#(<= ULTIMATE.start_main_~x~4 14), 38333#(<= ULTIMATE.start_main_~x~4 16), 38334#(<= ULTIMATE.start_main_~x~4 18), 38335#(<= ULTIMATE.start_main_~x~4 20), 38336#(<= ULTIMATE.start_main_~x~4 22), 38337#(<= ULTIMATE.start_main_~x~4 24), 38338#(<= ULTIMATE.start_main_~x~4 26), 38339#(<= ULTIMATE.start_main_~x~4 28), 38340#(<= ULTIMATE.start_main_~x~4 30), 38341#(<= ULTIMATE.start_main_~x~4 32), 38342#(<= ULTIMATE.start_main_~x~4 34), 38343#(<= ULTIMATE.start_main_~x~4 36), 38344#(<= ULTIMATE.start_main_~x~4 38), 38345#(<= ULTIMATE.start_main_~x~4 40), 38346#(<= ULTIMATE.start_main_~x~4 42), 38347#(<= ULTIMATE.start_main_~x~4 44), 38348#(<= ULTIMATE.start_main_~x~4 46), 38349#(<= ULTIMATE.start_main_~x~4 48), 38350#(<= ULTIMATE.start_main_~x~4 50), 38351#(<= ULTIMATE.start_main_~x~4 52), 38352#(<= ULTIMATE.start_main_~x~4 54), 38353#(<= ULTIMATE.start_main_~x~4 56), 38354#(<= ULTIMATE.start_main_~x~4 58), 38355#(<= ULTIMATE.start_main_~x~4 60), 38356#(<= ULTIMATE.start_main_~x~4 62), 38357#(<= ULTIMATE.start_main_~x~4 64), 38358#(<= ULTIMATE.start_main_~x~4 66), 38359#(<= ULTIMATE.start_main_~x~4 68), 38360#(<= ULTIMATE.start_main_~x~4 70), 38361#(<= ULTIMATE.start_main_~x~4 72), 38362#(<= ULTIMATE.start_main_~x~4 74), 38363#(<= ULTIMATE.start_main_~x~4 76), 38364#(<= ULTIMATE.start_main_~x~4 78), 38365#(<= ULTIMATE.start_main_~x~4 80), 38366#(<= ULTIMATE.start_main_~x~4 82), 38367#(<= ULTIMATE.start_main_~x~4 84), 38368#(<= ULTIMATE.start_main_~x~4 86), 38369#(<= ULTIMATE.start_main_~x~4 88), 38370#(<= ULTIMATE.start_main_~x~4 90), 38371#(<= ULTIMATE.start_main_~x~4 92), 38372#(<= ULTIMATE.start_main_~x~4 94), 38373#(<= ULTIMATE.start_main_~x~4 96), 38374#(<= ULTIMATE.start_main_~x~4 98), 38375#(<= ULTIMATE.start_main_~x~4 100), 38376#(<= ULTIMATE.start_main_~x~4 102), 38377#(<= ULTIMATE.start_main_~x~4 104), 38378#(<= ULTIMATE.start_main_~x~4 106), 38379#(<= ULTIMATE.start_main_~x~4 108), 38380#(<= ULTIMATE.start_main_~x~4 110), 38381#(<= ULTIMATE.start_main_~x~4 112), 38382#(<= ULTIMATE.start_main_~x~4 114), 38383#(<= ULTIMATE.start_main_~x~4 116), 38384#(<= ULTIMATE.start_main_~x~4 118), 38385#(<= ULTIMATE.start_main_~x~4 120), 38386#(<= ULTIMATE.start_main_~x~4 122), 38387#(<= ULTIMATE.start_main_~x~4 124), 38388#(<= ULTIMATE.start_main_~x~4 126), 38389#(<= ULTIMATE.start_main_~x~4 128), 38390#(<= ULTIMATE.start_main_~x~4 130), 38391#(<= ULTIMATE.start_main_~x~4 132), 38392#(<= ULTIMATE.start_main_~x~4 134), 38393#(<= ULTIMATE.start_main_~x~4 136), 38394#(<= ULTIMATE.start_main_~x~4 138), 38395#(<= ULTIMATE.start_main_~x~4 140), 38396#(<= ULTIMATE.start_main_~x~4 142), 38397#(<= ULTIMATE.start_main_~x~4 144), 38398#(<= ULTIMATE.start_main_~x~4 146), 38399#(<= ULTIMATE.start_main_~x~4 148)] [2018-07-23 13:42:02,782 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 13:42:02,783 INFO L450 AbstractCegarLoop]: Interpolant automaton has 122 states [2018-07-23 13:42:02,784 INFO L132 InterpolantAutomaton]: Constructing interpolant automaton starting with 122 interpolants. [2018-07-23 13:42:02,785 INFO L133 InterpolantAutomaton]: CoverageRelationStatistics Valid=7381, Invalid=7381, Unknown=0, NotChecked=0, Total=14762 [2018-07-23 13:42:02,785 INFO L87 Difference]: Start difference. First operand 123 states and 123 transitions. Second operand 122 states. [2018-07-23 13:42:02,859 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2018-07-23 13:42:02,859 INFO L93 Difference]: Finished difference Result 126 states and 126 transitions. [2018-07-23 13:42:02,859 INFO L142 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 122 states. [2018-07-23 13:42:02,859 INFO L78 Accepts]: Start accepts. Automaton has 122 states. Word has length 122 [2018-07-23 13:42:02,860 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2018-07-23 13:42:02,860 INFO L225 Difference]: With dead ends: 126 [2018-07-23 13:42:02,860 INFO L226 Difference]: Without dead ends: 124 [2018-07-23 13:42:02,862 INFO L575 BasicCegarLoop]: 0 DeclaredPredicates, 121 GetRequests, 1 SyntacticMatches, 0 SemanticMatches, 120 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 0 ImplicationChecksByTransitivity, 0.3s TimeCoverageRelationStatistics Valid=7381, Invalid=7381, Unknown=0, NotChecked=0, Total=14762 [2018-07-23 13:42:02,862 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 124 states. [2018-07-23 13:42:02,864 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 124 to 124. [2018-07-23 13:42:02,864 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 124 states. [2018-07-23 13:42:02,865 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 124 states to 124 states and 124 transitions. [2018-07-23 13:42:02,865 INFO L78 Accepts]: Start accepts. Automaton has 124 states and 124 transitions. Word has length 122 [2018-07-23 13:42:02,865 INFO L84 Accepts]: Finished accepts. word is rejected. [2018-07-23 13:42:02,865 INFO L471 AbstractCegarLoop]: Abstraction has 124 states and 124 transitions. [2018-07-23 13:42:02,866 INFO L472 AbstractCegarLoop]: Interpolant automaton has 122 states. [2018-07-23 13:42:02,866 INFO L276 IsEmpty]: Start isEmpty. Operand 124 states and 124 transitions. [2018-07-23 13:42:02,866 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 124 [2018-07-23 13:42:02,866 INFO L349 BasicCegarLoop]: Found error trace [2018-07-23 13:42:02,866 INFO L357 BasicCegarLoop]: trace histogram [120, 1, 1, 1] [2018-07-23 13:42:02,867 INFO L414 AbstractCegarLoop]: === Iteration 121 === [ULTIMATE.startErr0AssertViolationASSERT]=== [2018-07-23 13:42:02,867 INFO L82 PathProgramCache]: Analyzing trace with hash 1976994241, now seen corresponding path program 120 times [2018-07-23 13:42:02,867 INFO L69 tionRefinementEngine]: Using refinement strategy FixedRefinementStrategy [2018-07-23 13:42:02,885 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-07-23 13:42:03,636 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 13:42:03,636 INFO L309 seRefinementStrategy]: Constructing automaton from 0 perfect and 1 imperfect interpolant sequences. [2018-07-23 13:42:03,636 INFO L324 seRefinementStrategy]: Number of different interpolants: perfect sequences [] imperfect sequences [122] total 122 [2018-07-23 13:42:03,637 INFO L142 lantAutomatonBuilder]: Constructing canonical interpolant automaton, with selfloop in false state [2018-07-23 13:42:03,637 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2018-07-23 13:42:03,637 INFO L185 omatonBuilderFactory]: Interpolants [38950#true, 38951#false, 38952#(<= ULTIMATE.start_main_~x~4 10), 38953#(<= ULTIMATE.start_main_~x~4 12), 38954#(<= ULTIMATE.start_main_~x~4 14), 38955#(<= ULTIMATE.start_main_~x~4 16), 38956#(<= ULTIMATE.start_main_~x~4 18), 38957#(<= ULTIMATE.start_main_~x~4 20), 38958#(<= ULTIMATE.start_main_~x~4 22), 38959#(<= ULTIMATE.start_main_~x~4 24), 38960#(<= ULTIMATE.start_main_~x~4 26), 38961#(<= ULTIMATE.start_main_~x~4 28), 38962#(<= ULTIMATE.start_main_~x~4 30), 38963#(<= ULTIMATE.start_main_~x~4 32), 38964#(<= ULTIMATE.start_main_~x~4 34), 38965#(<= ULTIMATE.start_main_~x~4 36), 38966#(<= ULTIMATE.start_main_~x~4 38), 38967#(<= ULTIMATE.start_main_~x~4 40), 38968#(<= ULTIMATE.start_main_~x~4 42), 38969#(<= ULTIMATE.start_main_~x~4 44), 38970#(<= ULTIMATE.start_main_~x~4 46), 38971#(<= ULTIMATE.start_main_~x~4 48), 38972#(<= ULTIMATE.start_main_~x~4 50), 38973#(<= ULTIMATE.start_main_~x~4 52), 38974#(<= ULTIMATE.start_main_~x~4 54), 38975#(<= ULTIMATE.start_main_~x~4 56), 38976#(<= ULTIMATE.start_main_~x~4 58), 38977#(<= ULTIMATE.start_main_~x~4 60), 38978#(<= ULTIMATE.start_main_~x~4 62), 38979#(<= ULTIMATE.start_main_~x~4 64), 38980#(<= ULTIMATE.start_main_~x~4 66), 38981#(<= ULTIMATE.start_main_~x~4 68), 38982#(<= ULTIMATE.start_main_~x~4 70), 38983#(<= ULTIMATE.start_main_~x~4 72), 38984#(<= ULTIMATE.start_main_~x~4 74), 38985#(<= ULTIMATE.start_main_~x~4 76), 38986#(<= ULTIMATE.start_main_~x~4 78), 38987#(<= ULTIMATE.start_main_~x~4 80), 38988#(<= ULTIMATE.start_main_~x~4 82), 38989#(<= ULTIMATE.start_main_~x~4 84), 38990#(<= ULTIMATE.start_main_~x~4 86), 38991#(<= ULTIMATE.start_main_~x~4 88), 38992#(<= ULTIMATE.start_main_~x~4 90), 38993#(<= ULTIMATE.start_main_~x~4 92), 38994#(<= ULTIMATE.start_main_~x~4 94), 38995#(<= ULTIMATE.start_main_~x~4 96), 38996#(<= ULTIMATE.start_main_~x~4 98), 38997#(<= ULTIMATE.start_main_~x~4 100), 38998#(<= ULTIMATE.start_main_~x~4 102), 38999#(<= ULTIMATE.start_main_~x~4 104), 39000#(<= ULTIMATE.start_main_~x~4 106), 39001#(<= ULTIMATE.start_main_~x~4 108), 39002#(<= ULTIMATE.start_main_~x~4 110), 39003#(<= ULTIMATE.start_main_~x~4 112), 39004#(<= ULTIMATE.start_main_~x~4 114), 39005#(<= ULTIMATE.start_main_~x~4 116), 39006#(<= ULTIMATE.start_main_~x~4 118), 39007#(<= ULTIMATE.start_main_~x~4 120), 39008#(<= ULTIMATE.start_main_~x~4 122), 39009#(<= ULTIMATE.start_main_~x~4 124), 39010#(<= ULTIMATE.start_main_~x~4 126), 39011#(<= ULTIMATE.start_main_~x~4 128), 39012#(<= ULTIMATE.start_main_~x~4 130), 39013#(<= ULTIMATE.start_main_~x~4 132), 39014#(<= ULTIMATE.start_main_~x~4 134), 39015#(<= ULTIMATE.start_main_~x~4 136), 39016#(<= ULTIMATE.start_main_~x~4 138), 39017#(<= ULTIMATE.start_main_~x~4 140), 39018#(<= ULTIMATE.start_main_~x~4 142), 39019#(<= ULTIMATE.start_main_~x~4 144), 39020#(<= ULTIMATE.start_main_~x~4 146), 39021#(<= ULTIMATE.start_main_~x~4 148), 39022#(<= ULTIMATE.start_main_~x~4 150), 39023#(<= ULTIMATE.start_main_~x~4 152), 39024#(<= ULTIMATE.start_main_~x~4 154), 39025#(<= ULTIMATE.start_main_~x~4 156), 39026#(<= ULTIMATE.start_main_~x~4 158), 39027#(<= ULTIMATE.start_main_~x~4 160), 39028#(<= ULTIMATE.start_main_~x~4 162), 39029#(<= ULTIMATE.start_main_~x~4 164), 39030#(<= ULTIMATE.start_main_~x~4 166), 39031#(<= ULTIMATE.start_main_~x~4 168), 39032#(<= ULTIMATE.start_main_~x~4 170), 39033#(<= ULTIMATE.start_main_~x~4 172), 39034#(<= ULTIMATE.start_main_~x~4 174), 39035#(<= ULTIMATE.start_main_~x~4 176), 39036#(<= ULTIMATE.start_main_~x~4 178), 39037#(<= ULTIMATE.start_main_~x~4 180), 39038#(<= ULTIMATE.start_main_~x~4 182), 39039#(<= ULTIMATE.start_main_~x~4 184), 39040#(<= ULTIMATE.start_main_~x~4 186), 39041#(<= ULTIMATE.start_main_~x~4 188), 39042#(<= ULTIMATE.start_main_~x~4 190), 39043#(<= ULTIMATE.start_main_~x~4 192), 39044#(<= ULTIMATE.start_main_~x~4 194), 39045#(<= ULTIMATE.start_main_~x~4 196), 39046#(<= ULTIMATE.start_main_~x~4 198), 39047#(<= ULTIMATE.start_main_~x~4 200), 39048#(<= ULTIMATE.start_main_~x~4 202), 39049#(<= ULTIMATE.start_main_~x~4 204), 39050#(<= ULTIMATE.start_main_~x~4 206), 39051#(<= ULTIMATE.start_main_~x~4 208), 39052#(<= ULTIMATE.start_main_~x~4 210), 39053#(<= ULTIMATE.start_main_~x~4 212), 39054#(<= ULTIMATE.start_main_~x~4 214), 39055#(<= ULTIMATE.start_main_~x~4 216), 39056#(<= ULTIMATE.start_main_~x~4 218), 39057#(<= ULTIMATE.start_main_~x~4 220), 39058#(<= ULTIMATE.start_main_~x~4 222), 39059#(<= ULTIMATE.start_main_~x~4 224), 39060#(<= ULTIMATE.start_main_~x~4 226), 39061#(<= ULTIMATE.start_main_~x~4 228), 39062#(<= ULTIMATE.start_main_~x~4 230), 39063#(<= ULTIMATE.start_main_~x~4 232), 39064#(<= ULTIMATE.start_main_~x~4 234), 39065#(<= ULTIMATE.start_main_~x~4 236), 39066#(<= ULTIMATE.start_main_~x~4 238), 39067#(<= ULTIMATE.start_main_~x~4 240), 39068#(<= ULTIMATE.start_main_~x~4 242), 39069#(<= ULTIMATE.start_main_~x~4 244), 39070#(<= ULTIMATE.start_main_~x~4 246), 39071#(<= ULTIMATE.start_main_~x~4 248), 39072#(<= ULTIMATE.start_main_~x~4 250)] [2018-07-23 13:42:03,637 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 13:42:03,637 INFO L450 AbstractCegarLoop]: Interpolant automaton has 123 states [2018-07-23 13:42:03,638 INFO L132 InterpolantAutomaton]: Constructing interpolant automaton starting with 123 interpolants. [2018-07-23 13:42:03,639 INFO L133 InterpolantAutomaton]: CoverageRelationStatistics Valid=7503, Invalid=7503, Unknown=0, NotChecked=0, Total=15006 [2018-07-23 13:42:03,639 INFO L87 Difference]: Start difference. First operand 124 states and 124 transitions. Second operand 123 states. [2018-07-23 13:42:03,796 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2018-07-23 13:42:03,796 INFO L93 Difference]: Finished difference Result 127 states and 127 transitions. [2018-07-23 13:42:03,796 INFO L142 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 123 states. [2018-07-23 13:42:03,797 INFO L78 Accepts]: Start accepts. Automaton has 123 states. Word has length 123 [2018-07-23 13:42:03,797 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2018-07-23 13:42:03,797 INFO L225 Difference]: With dead ends: 127 [2018-07-23 13:42:03,797 INFO L226 Difference]: Without dead ends: 125 [2018-07-23 13:42:03,798 INFO L575 BasicCegarLoop]: 0 DeclaredPredicates, 122 GetRequests, 1 SyntacticMatches, 0 SemanticMatches, 121 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 0 ImplicationChecksByTransitivity, 0.6s TimeCoverageRelationStatistics Valid=7503, Invalid=7503, Unknown=0, NotChecked=0, Total=15006 [2018-07-23 13:42:03,798 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 125 states. [2018-07-23 13:42:03,801 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 125 to 125. [2018-07-23 13:42:03,801 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 125 states. [2018-07-23 13:42:03,801 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 125 states to 125 states and 125 transitions. [2018-07-23 13:42:03,802 INFO L78 Accepts]: Start accepts. Automaton has 125 states and 125 transitions. Word has length 123 [2018-07-23 13:42:03,802 INFO L84 Accepts]: Finished accepts. word is rejected. [2018-07-23 13:42:03,802 INFO L471 AbstractCegarLoop]: Abstraction has 125 states and 125 transitions. [2018-07-23 13:42:03,802 INFO L472 AbstractCegarLoop]: Interpolant automaton has 123 states. [2018-07-23 13:42:03,802 INFO L276 IsEmpty]: Start isEmpty. Operand 125 states and 125 transitions. [2018-07-23 13:42:03,802 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 125 [2018-07-23 13:42:03,803 INFO L349 BasicCegarLoop]: Found error trace [2018-07-23 13:42:03,803 INFO L357 BasicCegarLoop]: trace histogram [121, 1, 1, 1] [2018-07-23 13:42:03,803 INFO L414 AbstractCegarLoop]: === Iteration 122 === [ULTIMATE.startErr0AssertViolationASSERT]=== [2018-07-23 13:42:03,803 INFO L82 PathProgramCache]: Analyzing trace with hash 1157277352, now seen corresponding path program 121 times [2018-07-23 13:42:03,803 INFO L69 tionRefinementEngine]: Using refinement strategy FixedRefinementStrategy [2018-07-23 13:42:03,815 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-07-23 13:42:04,123 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 13:42:04,124 INFO L309 seRefinementStrategy]: Constructing automaton from 0 perfect and 1 imperfect interpolant sequences. [2018-07-23 13:42:04,124 INFO L324 seRefinementStrategy]: Number of different interpolants: perfect sequences [] imperfect sequences [123] total 123 [2018-07-23 13:42:04,124 INFO L142 lantAutomatonBuilder]: Constructing canonical interpolant automaton, with selfloop in false state [2018-07-23 13:42:04,124 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2018-07-23 13:42:04,125 INFO L185 omatonBuilderFactory]: Interpolants [39680#(<= ULTIMATE.start_main_~x~4 212), 39681#(<= ULTIMATE.start_main_~x~4 214), 39682#(<= ULTIMATE.start_main_~x~4 216), 39683#(<= ULTIMATE.start_main_~x~4 218), 39684#(<= ULTIMATE.start_main_~x~4 220), 39685#(<= ULTIMATE.start_main_~x~4 222), 39686#(<= ULTIMATE.start_main_~x~4 224), 39687#(<= ULTIMATE.start_main_~x~4 226), 39688#(<= ULTIMATE.start_main_~x~4 228), 39689#(<= ULTIMATE.start_main_~x~4 230), 39690#(<= ULTIMATE.start_main_~x~4 232), 39691#(<= ULTIMATE.start_main_~x~4 234), 39692#(<= ULTIMATE.start_main_~x~4 236), 39693#(<= ULTIMATE.start_main_~x~4 238), 39694#(<= ULTIMATE.start_main_~x~4 240), 39695#(<= ULTIMATE.start_main_~x~4 242), 39696#(<= ULTIMATE.start_main_~x~4 244), 39697#(<= ULTIMATE.start_main_~x~4 246), 39698#(<= ULTIMATE.start_main_~x~4 248), 39699#(<= ULTIMATE.start_main_~x~4 250), 39700#(<= ULTIMATE.start_main_~x~4 252), 39577#true, 39578#false, 39579#(<= ULTIMATE.start_main_~x~4 10), 39580#(<= ULTIMATE.start_main_~x~4 12), 39581#(<= ULTIMATE.start_main_~x~4 14), 39582#(<= ULTIMATE.start_main_~x~4 16), 39583#(<= ULTIMATE.start_main_~x~4 18), 39584#(<= ULTIMATE.start_main_~x~4 20), 39585#(<= ULTIMATE.start_main_~x~4 22), 39586#(<= ULTIMATE.start_main_~x~4 24), 39587#(<= ULTIMATE.start_main_~x~4 26), 39588#(<= ULTIMATE.start_main_~x~4 28), 39589#(<= ULTIMATE.start_main_~x~4 30), 39590#(<= ULTIMATE.start_main_~x~4 32), 39591#(<= ULTIMATE.start_main_~x~4 34), 39592#(<= ULTIMATE.start_main_~x~4 36), 39593#(<= ULTIMATE.start_main_~x~4 38), 39594#(<= ULTIMATE.start_main_~x~4 40), 39595#(<= ULTIMATE.start_main_~x~4 42), 39596#(<= ULTIMATE.start_main_~x~4 44), 39597#(<= ULTIMATE.start_main_~x~4 46), 39598#(<= ULTIMATE.start_main_~x~4 48), 39599#(<= ULTIMATE.start_main_~x~4 50), 39600#(<= ULTIMATE.start_main_~x~4 52), 39601#(<= ULTIMATE.start_main_~x~4 54), 39602#(<= ULTIMATE.start_main_~x~4 56), 39603#(<= ULTIMATE.start_main_~x~4 58), 39604#(<= ULTIMATE.start_main_~x~4 60), 39605#(<= ULTIMATE.start_main_~x~4 62), 39606#(<= ULTIMATE.start_main_~x~4 64), 39607#(<= ULTIMATE.start_main_~x~4 66), 39608#(<= ULTIMATE.start_main_~x~4 68), 39609#(<= ULTIMATE.start_main_~x~4 70), 39610#(<= ULTIMATE.start_main_~x~4 72), 39611#(<= ULTIMATE.start_main_~x~4 74), 39612#(<= ULTIMATE.start_main_~x~4 76), 39613#(<= ULTIMATE.start_main_~x~4 78), 39614#(<= ULTIMATE.start_main_~x~4 80), 39615#(<= ULTIMATE.start_main_~x~4 82), 39616#(<= ULTIMATE.start_main_~x~4 84), 39617#(<= ULTIMATE.start_main_~x~4 86), 39618#(<= ULTIMATE.start_main_~x~4 88), 39619#(<= ULTIMATE.start_main_~x~4 90), 39620#(<= ULTIMATE.start_main_~x~4 92), 39621#(<= ULTIMATE.start_main_~x~4 94), 39622#(<= ULTIMATE.start_main_~x~4 96), 39623#(<= ULTIMATE.start_main_~x~4 98), 39624#(<= ULTIMATE.start_main_~x~4 100), 39625#(<= ULTIMATE.start_main_~x~4 102), 39626#(<= ULTIMATE.start_main_~x~4 104), 39627#(<= ULTIMATE.start_main_~x~4 106), 39628#(<= ULTIMATE.start_main_~x~4 108), 39629#(<= ULTIMATE.start_main_~x~4 110), 39630#(<= ULTIMATE.start_main_~x~4 112), 39631#(<= ULTIMATE.start_main_~x~4 114), 39632#(<= ULTIMATE.start_main_~x~4 116), 39633#(<= ULTIMATE.start_main_~x~4 118), 39634#(<= ULTIMATE.start_main_~x~4 120), 39635#(<= ULTIMATE.start_main_~x~4 122), 39636#(<= ULTIMATE.start_main_~x~4 124), 39637#(<= ULTIMATE.start_main_~x~4 126), 39638#(<= ULTIMATE.start_main_~x~4 128), 39639#(<= ULTIMATE.start_main_~x~4 130), 39640#(<= ULTIMATE.start_main_~x~4 132), 39641#(<= ULTIMATE.start_main_~x~4 134), 39642#(<= ULTIMATE.start_main_~x~4 136), 39643#(<= ULTIMATE.start_main_~x~4 138), 39644#(<= ULTIMATE.start_main_~x~4 140), 39645#(<= ULTIMATE.start_main_~x~4 142), 39646#(<= ULTIMATE.start_main_~x~4 144), 39647#(<= ULTIMATE.start_main_~x~4 146), 39648#(<= ULTIMATE.start_main_~x~4 148), 39649#(<= ULTIMATE.start_main_~x~4 150), 39650#(<= ULTIMATE.start_main_~x~4 152), 39651#(<= ULTIMATE.start_main_~x~4 154), 39652#(<= ULTIMATE.start_main_~x~4 156), 39653#(<= ULTIMATE.start_main_~x~4 158), 39654#(<= ULTIMATE.start_main_~x~4 160), 39655#(<= ULTIMATE.start_main_~x~4 162), 39656#(<= ULTIMATE.start_main_~x~4 164), 39657#(<= ULTIMATE.start_main_~x~4 166), 39658#(<= ULTIMATE.start_main_~x~4 168), 39659#(<= ULTIMATE.start_main_~x~4 170), 39660#(<= ULTIMATE.start_main_~x~4 172), 39661#(<= ULTIMATE.start_main_~x~4 174), 39662#(<= ULTIMATE.start_main_~x~4 176), 39663#(<= ULTIMATE.start_main_~x~4 178), 39664#(<= ULTIMATE.start_main_~x~4 180), 39665#(<= ULTIMATE.start_main_~x~4 182), 39666#(<= ULTIMATE.start_main_~x~4 184), 39667#(<= ULTIMATE.start_main_~x~4 186), 39668#(<= ULTIMATE.start_main_~x~4 188), 39669#(<= ULTIMATE.start_main_~x~4 190), 39670#(<= ULTIMATE.start_main_~x~4 192), 39671#(<= ULTIMATE.start_main_~x~4 194), 39672#(<= ULTIMATE.start_main_~x~4 196), 39673#(<= ULTIMATE.start_main_~x~4 198), 39674#(<= ULTIMATE.start_main_~x~4 200), 39675#(<= ULTIMATE.start_main_~x~4 202), 39676#(<= ULTIMATE.start_main_~x~4 204), 39677#(<= ULTIMATE.start_main_~x~4 206), 39678#(<= ULTIMATE.start_main_~x~4 208), 39679#(<= ULTIMATE.start_main_~x~4 210)] [2018-07-23 13:42:04,125 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 13:42:04,125 INFO L450 AbstractCegarLoop]: Interpolant automaton has 124 states [2018-07-23 13:42:04,126 INFO L132 InterpolantAutomaton]: Constructing interpolant automaton starting with 124 interpolants. [2018-07-23 13:42:04,127 INFO L133 InterpolantAutomaton]: CoverageRelationStatistics Valid=7626, Invalid=7626, Unknown=0, NotChecked=0, Total=15252 [2018-07-23 13:42:04,127 INFO L87 Difference]: Start difference. First operand 125 states and 125 transitions. Second operand 124 states. [2018-07-23 13:42:04,235 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2018-07-23 13:42:04,236 INFO L93 Difference]: Finished difference Result 128 states and 128 transitions. [2018-07-23 13:42:04,236 INFO L142 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 124 states. [2018-07-23 13:42:04,236 INFO L78 Accepts]: Start accepts. Automaton has 124 states. Word has length 124 [2018-07-23 13:42:04,236 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2018-07-23 13:42:04,236 INFO L225 Difference]: With dead ends: 128 [2018-07-23 13:42:04,237 INFO L226 Difference]: Without dead ends: 126 [2018-07-23 13:42:04,238 INFO L575 BasicCegarLoop]: 0 DeclaredPredicates, 123 GetRequests, 1 SyntacticMatches, 0 SemanticMatches, 122 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 0 ImplicationChecksByTransitivity, 0.2s TimeCoverageRelationStatistics Valid=7626, Invalid=7626, Unknown=0, NotChecked=0, Total=15252 [2018-07-23 13:42:04,238 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 126 states. [2018-07-23 13:42:04,240 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 126 to 126. [2018-07-23 13:42:04,240 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 126 states. [2018-07-23 13:42:04,241 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 126 states to 126 states and 126 transitions. [2018-07-23 13:42:04,241 INFO L78 Accepts]: Start accepts. Automaton has 126 states and 126 transitions. Word has length 124 [2018-07-23 13:42:04,241 INFO L84 Accepts]: Finished accepts. word is rejected. [2018-07-23 13:42:04,241 INFO L471 AbstractCegarLoop]: Abstraction has 126 states and 126 transitions. [2018-07-23 13:42:04,241 INFO L472 AbstractCegarLoop]: Interpolant automaton has 124 states. [2018-07-23 13:42:04,241 INFO L276 IsEmpty]: Start isEmpty. Operand 126 states and 126 transitions. [2018-07-23 13:42:04,242 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 126 [2018-07-23 13:42:04,242 INFO L349 BasicCegarLoop]: Found error trace [2018-07-23 13:42:04,242 INFO L357 BasicCegarLoop]: trace histogram [122, 1, 1, 1] [2018-07-23 13:42:04,242 INFO L414 AbstractCegarLoop]: === Iteration 123 === [ULTIMATE.startErr0AssertViolationASSERT]=== [2018-07-23 13:42:04,242 INFO L82 PathProgramCache]: Analyzing trace with hash 1515857569, now seen corresponding path program 122 times [2018-07-23 13:42:04,243 INFO L69 tionRefinementEngine]: Using refinement strategy FixedRefinementStrategy [2018-07-23 13:42:04,256 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-07-23 13:42:04,584 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 13:42:04,584 INFO L309 seRefinementStrategy]: Constructing automaton from 0 perfect and 1 imperfect interpolant sequences. [2018-07-23 13:42:04,584 INFO L324 seRefinementStrategy]: Number of different interpolants: perfect sequences [] imperfect sequences [124] total 124 [2018-07-23 13:42:04,584 INFO L142 lantAutomatonBuilder]: Constructing canonical interpolant automaton, with selfloop in false state [2018-07-23 13:42:04,585 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2018-07-23 13:42:04,585 INFO L185 omatonBuilderFactory]: Interpolants [40209#true, 40210#false, 40211#(<= ULTIMATE.start_main_~x~4 10), 40212#(<= ULTIMATE.start_main_~x~4 12), 40213#(<= ULTIMATE.start_main_~x~4 14), 40214#(<= ULTIMATE.start_main_~x~4 16), 40215#(<= ULTIMATE.start_main_~x~4 18), 40216#(<= ULTIMATE.start_main_~x~4 20), 40217#(<= ULTIMATE.start_main_~x~4 22), 40218#(<= ULTIMATE.start_main_~x~4 24), 40219#(<= ULTIMATE.start_main_~x~4 26), 40220#(<= ULTIMATE.start_main_~x~4 28), 40221#(<= ULTIMATE.start_main_~x~4 30), 40222#(<= ULTIMATE.start_main_~x~4 32), 40223#(<= ULTIMATE.start_main_~x~4 34), 40224#(<= ULTIMATE.start_main_~x~4 36), 40225#(<= ULTIMATE.start_main_~x~4 38), 40226#(<= ULTIMATE.start_main_~x~4 40), 40227#(<= ULTIMATE.start_main_~x~4 42), 40228#(<= ULTIMATE.start_main_~x~4 44), 40229#(<= ULTIMATE.start_main_~x~4 46), 40230#(<= ULTIMATE.start_main_~x~4 48), 40231#(<= ULTIMATE.start_main_~x~4 50), 40232#(<= ULTIMATE.start_main_~x~4 52), 40233#(<= ULTIMATE.start_main_~x~4 54), 40234#(<= ULTIMATE.start_main_~x~4 56), 40235#(<= ULTIMATE.start_main_~x~4 58), 40236#(<= ULTIMATE.start_main_~x~4 60), 40237#(<= ULTIMATE.start_main_~x~4 62), 40238#(<= ULTIMATE.start_main_~x~4 64), 40239#(<= ULTIMATE.start_main_~x~4 66), 40240#(<= ULTIMATE.start_main_~x~4 68), 40241#(<= ULTIMATE.start_main_~x~4 70), 40242#(<= ULTIMATE.start_main_~x~4 72), 40243#(<= ULTIMATE.start_main_~x~4 74), 40244#(<= ULTIMATE.start_main_~x~4 76), 40245#(<= ULTIMATE.start_main_~x~4 78), 40246#(<= ULTIMATE.start_main_~x~4 80), 40247#(<= ULTIMATE.start_main_~x~4 82), 40248#(<= ULTIMATE.start_main_~x~4 84), 40249#(<= ULTIMATE.start_main_~x~4 86), 40250#(<= ULTIMATE.start_main_~x~4 88), 40251#(<= ULTIMATE.start_main_~x~4 90), 40252#(<= ULTIMATE.start_main_~x~4 92), 40253#(<= ULTIMATE.start_main_~x~4 94), 40254#(<= ULTIMATE.start_main_~x~4 96), 40255#(<= ULTIMATE.start_main_~x~4 98), 40256#(<= ULTIMATE.start_main_~x~4 100), 40257#(<= ULTIMATE.start_main_~x~4 102), 40258#(<= ULTIMATE.start_main_~x~4 104), 40259#(<= ULTIMATE.start_main_~x~4 106), 40260#(<= ULTIMATE.start_main_~x~4 108), 40261#(<= ULTIMATE.start_main_~x~4 110), 40262#(<= ULTIMATE.start_main_~x~4 112), 40263#(<= ULTIMATE.start_main_~x~4 114), 40264#(<= ULTIMATE.start_main_~x~4 116), 40265#(<= ULTIMATE.start_main_~x~4 118), 40266#(<= ULTIMATE.start_main_~x~4 120), 40267#(<= ULTIMATE.start_main_~x~4 122), 40268#(<= ULTIMATE.start_main_~x~4 124), 40269#(<= ULTIMATE.start_main_~x~4 126), 40270#(<= ULTIMATE.start_main_~x~4 128), 40271#(<= ULTIMATE.start_main_~x~4 130), 40272#(<= ULTIMATE.start_main_~x~4 132), 40273#(<= ULTIMATE.start_main_~x~4 134), 40274#(<= ULTIMATE.start_main_~x~4 136), 40275#(<= ULTIMATE.start_main_~x~4 138), 40276#(<= ULTIMATE.start_main_~x~4 140), 40277#(<= ULTIMATE.start_main_~x~4 142), 40278#(<= ULTIMATE.start_main_~x~4 144), 40279#(<= ULTIMATE.start_main_~x~4 146), 40280#(<= ULTIMATE.start_main_~x~4 148), 40281#(<= ULTIMATE.start_main_~x~4 150), 40282#(<= ULTIMATE.start_main_~x~4 152), 40283#(<= ULTIMATE.start_main_~x~4 154), 40284#(<= ULTIMATE.start_main_~x~4 156), 40285#(<= ULTIMATE.start_main_~x~4 158), 40286#(<= ULTIMATE.start_main_~x~4 160), 40287#(<= ULTIMATE.start_main_~x~4 162), 40288#(<= ULTIMATE.start_main_~x~4 164), 40289#(<= ULTIMATE.start_main_~x~4 166), 40290#(<= ULTIMATE.start_main_~x~4 168), 40291#(<= ULTIMATE.start_main_~x~4 170), 40292#(<= ULTIMATE.start_main_~x~4 172), 40293#(<= ULTIMATE.start_main_~x~4 174), 40294#(<= ULTIMATE.start_main_~x~4 176), 40295#(<= ULTIMATE.start_main_~x~4 178), 40296#(<= ULTIMATE.start_main_~x~4 180), 40297#(<= ULTIMATE.start_main_~x~4 182), 40298#(<= ULTIMATE.start_main_~x~4 184), 40299#(<= ULTIMATE.start_main_~x~4 186), 40300#(<= ULTIMATE.start_main_~x~4 188), 40301#(<= ULTIMATE.start_main_~x~4 190), 40302#(<= ULTIMATE.start_main_~x~4 192), 40303#(<= ULTIMATE.start_main_~x~4 194), 40304#(<= ULTIMATE.start_main_~x~4 196), 40305#(<= ULTIMATE.start_main_~x~4 198), 40306#(<= ULTIMATE.start_main_~x~4 200), 40307#(<= ULTIMATE.start_main_~x~4 202), 40308#(<= ULTIMATE.start_main_~x~4 204), 40309#(<= ULTIMATE.start_main_~x~4 206), 40310#(<= ULTIMATE.start_main_~x~4 208), 40311#(<= ULTIMATE.start_main_~x~4 210), 40312#(<= ULTIMATE.start_main_~x~4 212), 40313#(<= ULTIMATE.start_main_~x~4 214), 40314#(<= ULTIMATE.start_main_~x~4 216), 40315#(<= ULTIMATE.start_main_~x~4 218), 40316#(<= ULTIMATE.start_main_~x~4 220), 40317#(<= ULTIMATE.start_main_~x~4 222), 40318#(<= ULTIMATE.start_main_~x~4 224), 40319#(<= ULTIMATE.start_main_~x~4 226), 40320#(<= ULTIMATE.start_main_~x~4 228), 40321#(<= ULTIMATE.start_main_~x~4 230), 40322#(<= ULTIMATE.start_main_~x~4 232), 40323#(<= ULTIMATE.start_main_~x~4 234), 40324#(<= ULTIMATE.start_main_~x~4 236), 40325#(<= ULTIMATE.start_main_~x~4 238), 40326#(<= ULTIMATE.start_main_~x~4 240), 40327#(<= ULTIMATE.start_main_~x~4 242), 40328#(<= ULTIMATE.start_main_~x~4 244), 40329#(<= ULTIMATE.start_main_~x~4 246), 40330#(<= ULTIMATE.start_main_~x~4 248), 40331#(<= ULTIMATE.start_main_~x~4 250), 40332#(<= ULTIMATE.start_main_~x~4 252), 40333#(<= ULTIMATE.start_main_~x~4 254)] [2018-07-23 13:42:04,586 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 13:42:04,586 INFO L450 AbstractCegarLoop]: Interpolant automaton has 125 states [2018-07-23 13:42:04,588 INFO L132 InterpolantAutomaton]: Constructing interpolant automaton starting with 125 interpolants. [2018-07-23 13:42:04,589 INFO L133 InterpolantAutomaton]: CoverageRelationStatistics Valid=7750, Invalid=7750, Unknown=0, NotChecked=0, Total=15500 [2018-07-23 13:42:04,589 INFO L87 Difference]: Start difference. First operand 126 states and 126 transitions. Second operand 125 states. [2018-07-23 13:42:04,761 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2018-07-23 13:42:04,761 INFO L93 Difference]: Finished difference Result 129 states and 129 transitions. [2018-07-23 13:42:04,762 INFO L142 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 125 states. [2018-07-23 13:42:04,762 INFO L78 Accepts]: Start accepts. Automaton has 125 states. Word has length 125 [2018-07-23 13:42:04,762 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2018-07-23 13:42:04,762 INFO L225 Difference]: With dead ends: 129 [2018-07-23 13:42:04,762 INFO L226 Difference]: Without dead ends: 127 [2018-07-23 13:42:04,764 INFO L575 BasicCegarLoop]: 0 DeclaredPredicates, 124 GetRequests, 1 SyntacticMatches, 0 SemanticMatches, 123 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 0 ImplicationChecksByTransitivity, 0.2s TimeCoverageRelationStatistics Valid=7750, Invalid=7750, Unknown=0, NotChecked=0, Total=15500 [2018-07-23 13:42:04,764 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 127 states. [2018-07-23 13:42:04,765 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 127 to 127. [2018-07-23 13:42:04,765 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 127 states. [2018-07-23 13:42:04,766 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 127 states to 127 states and 127 transitions. [2018-07-23 13:42:04,766 INFO L78 Accepts]: Start accepts. Automaton has 127 states and 127 transitions. Word has length 125 [2018-07-23 13:42:04,766 INFO L84 Accepts]: Finished accepts. word is rejected. [2018-07-23 13:42:04,766 INFO L471 AbstractCegarLoop]: Abstraction has 127 states and 127 transitions. [2018-07-23 13:42:04,767 INFO L472 AbstractCegarLoop]: Interpolant automaton has 125 states. [2018-07-23 13:42:04,767 INFO L276 IsEmpty]: Start isEmpty. Operand 127 states and 127 transitions. [2018-07-23 13:42:04,767 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 127 [2018-07-23 13:42:04,767 INFO L349 BasicCegarLoop]: Found error trace [2018-07-23 13:42:04,767 INFO L357 BasicCegarLoop]: trace histogram [123, 1, 1, 1] [2018-07-23 13:42:04,768 INFO L414 AbstractCegarLoop]: === Iteration 124 === [ULTIMATE.startErr0AssertViolationASSERT]=== [2018-07-23 13:42:04,768 INFO L82 PathProgramCache]: Analyzing trace with hash -253057592, now seen corresponding path program 123 times [2018-07-23 13:42:04,768 INFO L69 tionRefinementEngine]: Using refinement strategy FixedRefinementStrategy [2018-07-23 13:42:04,783 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-07-23 13:42:05,157 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 13:42:05,157 INFO L309 seRefinementStrategy]: Constructing automaton from 0 perfect and 1 imperfect interpolant sequences. [2018-07-23 13:42:05,158 INFO L324 seRefinementStrategy]: Number of different interpolants: perfect sequences [] imperfect sequences [125] total 125 [2018-07-23 13:42:05,158 INFO L142 lantAutomatonBuilder]: Constructing canonical interpolant automaton, with selfloop in false state [2018-07-23 13:42:05,158 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 13:42:05,158 INFO L185 omatonBuilderFactory]: Interpolants [40960#(<= ULTIMATE.start_main_~x~4 234), 40961#(<= ULTIMATE.start_main_~x~4 236), 40962#(<= ULTIMATE.start_main_~x~4 238), 40963#(<= ULTIMATE.start_main_~x~4 240), 40964#(<= ULTIMATE.start_main_~x~4 242), 40965#(<= ULTIMATE.start_main_~x~4 244), 40966#(<= ULTIMATE.start_main_~x~4 246), 40967#(<= ULTIMATE.start_main_~x~4 248), 40968#(<= ULTIMATE.start_main_~x~4 250), 40969#(<= ULTIMATE.start_main_~x~4 252), 40970#(<= ULTIMATE.start_main_~x~4 254), 40971#(<= ULTIMATE.start_main_~x~4 256), 40846#true, 40847#false, 40848#(<= ULTIMATE.start_main_~x~4 10), 40849#(<= ULTIMATE.start_main_~x~4 12), 40850#(<= ULTIMATE.start_main_~x~4 14), 40851#(<= ULTIMATE.start_main_~x~4 16), 40852#(<= ULTIMATE.start_main_~x~4 18), 40853#(<= ULTIMATE.start_main_~x~4 20), 40854#(<= ULTIMATE.start_main_~x~4 22), 40855#(<= ULTIMATE.start_main_~x~4 24), 40856#(<= ULTIMATE.start_main_~x~4 26), 40857#(<= ULTIMATE.start_main_~x~4 28), 40858#(<= ULTIMATE.start_main_~x~4 30), 40859#(<= ULTIMATE.start_main_~x~4 32), 40860#(<= ULTIMATE.start_main_~x~4 34), 40861#(<= ULTIMATE.start_main_~x~4 36), 40862#(<= ULTIMATE.start_main_~x~4 38), 40863#(<= ULTIMATE.start_main_~x~4 40), 40864#(<= ULTIMATE.start_main_~x~4 42), 40865#(<= ULTIMATE.start_main_~x~4 44), 40866#(<= ULTIMATE.start_main_~x~4 46), 40867#(<= ULTIMATE.start_main_~x~4 48), 40868#(<= ULTIMATE.start_main_~x~4 50), 40869#(<= ULTIMATE.start_main_~x~4 52), 40870#(<= ULTIMATE.start_main_~x~4 54), 40871#(<= ULTIMATE.start_main_~x~4 56), 40872#(<= ULTIMATE.start_main_~x~4 58), 40873#(<= ULTIMATE.start_main_~x~4 60), 40874#(<= ULTIMATE.start_main_~x~4 62), 40875#(<= ULTIMATE.start_main_~x~4 64), 40876#(<= ULTIMATE.start_main_~x~4 66), 40877#(<= ULTIMATE.start_main_~x~4 68), 40878#(<= ULTIMATE.start_main_~x~4 70), 40879#(<= ULTIMATE.start_main_~x~4 72), 40880#(<= ULTIMATE.start_main_~x~4 74), 40881#(<= ULTIMATE.start_main_~x~4 76), 40882#(<= ULTIMATE.start_main_~x~4 78), 40883#(<= ULTIMATE.start_main_~x~4 80), 40884#(<= ULTIMATE.start_main_~x~4 82), 40885#(<= ULTIMATE.start_main_~x~4 84), 40886#(<= ULTIMATE.start_main_~x~4 86), 40887#(<= ULTIMATE.start_main_~x~4 88), 40888#(<= ULTIMATE.start_main_~x~4 90), 40889#(<= ULTIMATE.start_main_~x~4 92), 40890#(<= ULTIMATE.start_main_~x~4 94), 40891#(<= ULTIMATE.start_main_~x~4 96), 40892#(<= ULTIMATE.start_main_~x~4 98), 40893#(<= ULTIMATE.start_main_~x~4 100), 40894#(<= ULTIMATE.start_main_~x~4 102), 40895#(<= ULTIMATE.start_main_~x~4 104), 40896#(<= ULTIMATE.start_main_~x~4 106), 40897#(<= ULTIMATE.start_main_~x~4 108), 40898#(<= ULTIMATE.start_main_~x~4 110), 40899#(<= ULTIMATE.start_main_~x~4 112), 40900#(<= ULTIMATE.start_main_~x~4 114), 40901#(<= ULTIMATE.start_main_~x~4 116), 40902#(<= ULTIMATE.start_main_~x~4 118), 40903#(<= ULTIMATE.start_main_~x~4 120), 40904#(<= ULTIMATE.start_main_~x~4 122), 40905#(<= ULTIMATE.start_main_~x~4 124), 40906#(<= ULTIMATE.start_main_~x~4 126), 40907#(<= ULTIMATE.start_main_~x~4 128), 40908#(<= ULTIMATE.start_main_~x~4 130), 40909#(<= ULTIMATE.start_main_~x~4 132), 40910#(<= ULTIMATE.start_main_~x~4 134), 40911#(<= ULTIMATE.start_main_~x~4 136), 40912#(<= ULTIMATE.start_main_~x~4 138), 40913#(<= ULTIMATE.start_main_~x~4 140), 40914#(<= ULTIMATE.start_main_~x~4 142), 40915#(<= ULTIMATE.start_main_~x~4 144), 40916#(<= ULTIMATE.start_main_~x~4 146), 40917#(<= ULTIMATE.start_main_~x~4 148), 40918#(<= ULTIMATE.start_main_~x~4 150), 40919#(<= ULTIMATE.start_main_~x~4 152), 40920#(<= ULTIMATE.start_main_~x~4 154), 40921#(<= ULTIMATE.start_main_~x~4 156), 40922#(<= ULTIMATE.start_main_~x~4 158), 40923#(<= ULTIMATE.start_main_~x~4 160), 40924#(<= ULTIMATE.start_main_~x~4 162), 40925#(<= ULTIMATE.start_main_~x~4 164), 40926#(<= ULTIMATE.start_main_~x~4 166), 40927#(<= ULTIMATE.start_main_~x~4 168), 40928#(<= ULTIMATE.start_main_~x~4 170), 40929#(<= ULTIMATE.start_main_~x~4 172), 40930#(<= ULTIMATE.start_main_~x~4 174), 40931#(<= ULTIMATE.start_main_~x~4 176), 40932#(<= ULTIMATE.start_main_~x~4 178), 40933#(<= ULTIMATE.start_main_~x~4 180), 40934#(<= ULTIMATE.start_main_~x~4 182), 40935#(<= ULTIMATE.start_main_~x~4 184), 40936#(<= ULTIMATE.start_main_~x~4 186), 40937#(<= ULTIMATE.start_main_~x~4 188), 40938#(<= ULTIMATE.start_main_~x~4 190), 40939#(<= ULTIMATE.start_main_~x~4 192), 40940#(<= ULTIMATE.start_main_~x~4 194), 40941#(<= ULTIMATE.start_main_~x~4 196), 40942#(<= ULTIMATE.start_main_~x~4 198), 40943#(<= ULTIMATE.start_main_~x~4 200), 40944#(<= ULTIMATE.start_main_~x~4 202), 40945#(<= ULTIMATE.start_main_~x~4 204), 40946#(<= ULTIMATE.start_main_~x~4 206), 40947#(<= ULTIMATE.start_main_~x~4 208), 40948#(<= ULTIMATE.start_main_~x~4 210), 40949#(<= ULTIMATE.start_main_~x~4 212), 40950#(<= ULTIMATE.start_main_~x~4 214), 40951#(<= ULTIMATE.start_main_~x~4 216), 40952#(<= ULTIMATE.start_main_~x~4 218), 40953#(<= ULTIMATE.start_main_~x~4 220), 40954#(<= ULTIMATE.start_main_~x~4 222), 40955#(<= ULTIMATE.start_main_~x~4 224), 40956#(<= ULTIMATE.start_main_~x~4 226), 40957#(<= ULTIMATE.start_main_~x~4 228), 40958#(<= ULTIMATE.start_main_~x~4 230), 40959#(<= ULTIMATE.start_main_~x~4 232)] [2018-07-23 13:42:05,159 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 13:42:05,159 INFO L450 AbstractCegarLoop]: Interpolant automaton has 126 states [2018-07-23 13:42:05,160 INFO L132 InterpolantAutomaton]: Constructing interpolant automaton starting with 126 interpolants. [2018-07-23 13:42:05,161 INFO L133 InterpolantAutomaton]: CoverageRelationStatistics Valid=7875, Invalid=7875, Unknown=0, NotChecked=0, Total=15750 [2018-07-23 13:42:05,161 INFO L87 Difference]: Start difference. First operand 127 states and 127 transitions. Second operand 126 states. [2018-07-23 13:42:05,294 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2018-07-23 13:42:05,294 INFO L93 Difference]: Finished difference Result 130 states and 130 transitions. [2018-07-23 13:42:05,294 INFO L142 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 126 states. [2018-07-23 13:42:05,295 INFO L78 Accepts]: Start accepts. Automaton has 126 states. Word has length 126 [2018-07-23 13:42:05,295 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2018-07-23 13:42:05,295 INFO L225 Difference]: With dead ends: 130 [2018-07-23 13:42:05,295 INFO L226 Difference]: Without dead ends: 128 [2018-07-23 13:42:05,296 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 13:42:05,296 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 128 states. [2018-07-23 13:42:05,299 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 128 to 128. [2018-07-23 13:42:05,299 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 128 states. [2018-07-23 13:42:05,299 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 128 states to 128 states and 128 transitions. [2018-07-23 13:42:05,300 INFO L78 Accepts]: Start accepts. Automaton has 128 states and 128 transitions. Word has length 126 [2018-07-23 13:42:05,300 INFO L84 Accepts]: Finished accepts. word is rejected. [2018-07-23 13:42:05,300 INFO L471 AbstractCegarLoop]: Abstraction has 128 states and 128 transitions. [2018-07-23 13:42:05,300 INFO L472 AbstractCegarLoop]: Interpolant automaton has 126 states. [2018-07-23 13:42:05,300 INFO L276 IsEmpty]: Start isEmpty. Operand 128 states and 128 transitions. [2018-07-23 13:42:05,301 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 128 [2018-07-23 13:42:05,301 INFO L349 BasicCegarLoop]: Found error trace [2018-07-23 13:42:05,301 INFO L357 BasicCegarLoop]: trace histogram [124, 1, 1, 1] [2018-07-23 13:42:05,301 INFO L414 AbstractCegarLoop]: === Iteration 125 === [ULTIMATE.startErr0AssertViolationASSERT]=== [2018-07-23 13:42:05,301 INFO L82 PathProgramCache]: Analyzing trace with hash 745147265, now seen corresponding path program 124 times [2018-07-23 13:42:05,301 INFO L69 tionRefinementEngine]: Using refinement strategy FixedRefinementStrategy [2018-07-23 13:42:05,318 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-07-23 13:42:05,693 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 13:42:05,693 INFO L309 seRefinementStrategy]: Constructing automaton from 0 perfect and 1 imperfect interpolant sequences. [2018-07-23 13:42:05,693 INFO L324 seRefinementStrategy]: Number of different interpolants: perfect sequences [] imperfect sequences [126] total 126 [2018-07-23 13:42:05,694 INFO L142 lantAutomatonBuilder]: Constructing canonical interpolant automaton, with selfloop in false state [2018-07-23 13:42:05,694 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 13:42:05,694 INFO L185 omatonBuilderFactory]: Interpolants [41488#true, 41489#false, 41490#(<= ULTIMATE.start_main_~x~4 10), 41491#(<= ULTIMATE.start_main_~x~4 12), 41492#(<= ULTIMATE.start_main_~x~4 14), 41493#(<= ULTIMATE.start_main_~x~4 16), 41494#(<= ULTIMATE.start_main_~x~4 18), 41495#(<= ULTIMATE.start_main_~x~4 20), 41496#(<= ULTIMATE.start_main_~x~4 22), 41497#(<= ULTIMATE.start_main_~x~4 24), 41498#(<= ULTIMATE.start_main_~x~4 26), 41499#(<= ULTIMATE.start_main_~x~4 28), 41500#(<= ULTIMATE.start_main_~x~4 30), 41501#(<= ULTIMATE.start_main_~x~4 32), 41502#(<= ULTIMATE.start_main_~x~4 34), 41503#(<= ULTIMATE.start_main_~x~4 36), 41504#(<= ULTIMATE.start_main_~x~4 38), 41505#(<= ULTIMATE.start_main_~x~4 40), 41506#(<= ULTIMATE.start_main_~x~4 42), 41507#(<= ULTIMATE.start_main_~x~4 44), 41508#(<= ULTIMATE.start_main_~x~4 46), 41509#(<= ULTIMATE.start_main_~x~4 48), 41510#(<= ULTIMATE.start_main_~x~4 50), 41511#(<= ULTIMATE.start_main_~x~4 52), 41512#(<= ULTIMATE.start_main_~x~4 54), 41513#(<= ULTIMATE.start_main_~x~4 56), 41514#(<= ULTIMATE.start_main_~x~4 58), 41515#(<= ULTIMATE.start_main_~x~4 60), 41516#(<= ULTIMATE.start_main_~x~4 62), 41517#(<= ULTIMATE.start_main_~x~4 64), 41518#(<= ULTIMATE.start_main_~x~4 66), 41519#(<= ULTIMATE.start_main_~x~4 68), 41520#(<= ULTIMATE.start_main_~x~4 70), 41521#(<= ULTIMATE.start_main_~x~4 72), 41522#(<= ULTIMATE.start_main_~x~4 74), 41523#(<= ULTIMATE.start_main_~x~4 76), 41524#(<= ULTIMATE.start_main_~x~4 78), 41525#(<= ULTIMATE.start_main_~x~4 80), 41526#(<= ULTIMATE.start_main_~x~4 82), 41527#(<= ULTIMATE.start_main_~x~4 84), 41528#(<= ULTIMATE.start_main_~x~4 86), 41529#(<= ULTIMATE.start_main_~x~4 88), 41530#(<= ULTIMATE.start_main_~x~4 90), 41531#(<= ULTIMATE.start_main_~x~4 92), 41532#(<= ULTIMATE.start_main_~x~4 94), 41533#(<= ULTIMATE.start_main_~x~4 96), 41534#(<= ULTIMATE.start_main_~x~4 98), 41535#(<= ULTIMATE.start_main_~x~4 100), 41536#(<= ULTIMATE.start_main_~x~4 102), 41537#(<= ULTIMATE.start_main_~x~4 104), 41538#(<= ULTIMATE.start_main_~x~4 106), 41539#(<= ULTIMATE.start_main_~x~4 108), 41540#(<= ULTIMATE.start_main_~x~4 110), 41541#(<= ULTIMATE.start_main_~x~4 112), 41542#(<= ULTIMATE.start_main_~x~4 114), 41543#(<= ULTIMATE.start_main_~x~4 116), 41544#(<= ULTIMATE.start_main_~x~4 118), 41545#(<= ULTIMATE.start_main_~x~4 120), 41546#(<= ULTIMATE.start_main_~x~4 122), 41547#(<= ULTIMATE.start_main_~x~4 124), 41548#(<= ULTIMATE.start_main_~x~4 126), 41549#(<= ULTIMATE.start_main_~x~4 128), 41550#(<= ULTIMATE.start_main_~x~4 130), 41551#(<= ULTIMATE.start_main_~x~4 132), 41552#(<= ULTIMATE.start_main_~x~4 134), 41553#(<= ULTIMATE.start_main_~x~4 136), 41554#(<= ULTIMATE.start_main_~x~4 138), 41555#(<= ULTIMATE.start_main_~x~4 140), 41556#(<= ULTIMATE.start_main_~x~4 142), 41557#(<= ULTIMATE.start_main_~x~4 144), 41558#(<= ULTIMATE.start_main_~x~4 146), 41559#(<= ULTIMATE.start_main_~x~4 148), 41560#(<= ULTIMATE.start_main_~x~4 150), 41561#(<= ULTIMATE.start_main_~x~4 152), 41562#(<= ULTIMATE.start_main_~x~4 154), 41563#(<= ULTIMATE.start_main_~x~4 156), 41564#(<= ULTIMATE.start_main_~x~4 158), 41565#(<= ULTIMATE.start_main_~x~4 160), 41566#(<= ULTIMATE.start_main_~x~4 162), 41567#(<= ULTIMATE.start_main_~x~4 164), 41568#(<= ULTIMATE.start_main_~x~4 166), 41569#(<= ULTIMATE.start_main_~x~4 168), 41570#(<= ULTIMATE.start_main_~x~4 170), 41571#(<= ULTIMATE.start_main_~x~4 172), 41572#(<= ULTIMATE.start_main_~x~4 174), 41573#(<= ULTIMATE.start_main_~x~4 176), 41574#(<= ULTIMATE.start_main_~x~4 178), 41575#(<= ULTIMATE.start_main_~x~4 180), 41576#(<= ULTIMATE.start_main_~x~4 182), 41577#(<= ULTIMATE.start_main_~x~4 184), 41578#(<= ULTIMATE.start_main_~x~4 186), 41579#(<= ULTIMATE.start_main_~x~4 188), 41580#(<= ULTIMATE.start_main_~x~4 190), 41581#(<= ULTIMATE.start_main_~x~4 192), 41582#(<= ULTIMATE.start_main_~x~4 194), 41583#(<= ULTIMATE.start_main_~x~4 196), 41584#(<= ULTIMATE.start_main_~x~4 198), 41585#(<= ULTIMATE.start_main_~x~4 200), 41586#(<= ULTIMATE.start_main_~x~4 202), 41587#(<= ULTIMATE.start_main_~x~4 204), 41588#(<= ULTIMATE.start_main_~x~4 206), 41589#(<= ULTIMATE.start_main_~x~4 208), 41590#(<= ULTIMATE.start_main_~x~4 210), 41591#(<= ULTIMATE.start_main_~x~4 212), 41592#(<= ULTIMATE.start_main_~x~4 214), 41593#(<= ULTIMATE.start_main_~x~4 216), 41594#(<= ULTIMATE.start_main_~x~4 218), 41595#(<= ULTIMATE.start_main_~x~4 220), 41596#(<= ULTIMATE.start_main_~x~4 222), 41597#(<= ULTIMATE.start_main_~x~4 224), 41598#(<= ULTIMATE.start_main_~x~4 226), 41599#(<= ULTIMATE.start_main_~x~4 228), 41600#(<= ULTIMATE.start_main_~x~4 230), 41601#(<= ULTIMATE.start_main_~x~4 232), 41602#(<= ULTIMATE.start_main_~x~4 234), 41603#(<= ULTIMATE.start_main_~x~4 236), 41604#(<= ULTIMATE.start_main_~x~4 238), 41605#(<= ULTIMATE.start_main_~x~4 240), 41606#(<= ULTIMATE.start_main_~x~4 242), 41607#(<= ULTIMATE.start_main_~x~4 244), 41608#(<= ULTIMATE.start_main_~x~4 246), 41609#(<= ULTIMATE.start_main_~x~4 248), 41610#(<= ULTIMATE.start_main_~x~4 250), 41611#(<= ULTIMATE.start_main_~x~4 252), 41612#(<= ULTIMATE.start_main_~x~4 254), 41613#(<= ULTIMATE.start_main_~x~4 256), 41614#(<= ULTIMATE.start_main_~x~4 258)] [2018-07-23 13:42:05,695 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 13:42:05,695 INFO L450 AbstractCegarLoop]: Interpolant automaton has 127 states [2018-07-23 13:42:05,696 INFO L132 InterpolantAutomaton]: Constructing interpolant automaton starting with 127 interpolants. [2018-07-23 13:42:05,697 INFO L133 InterpolantAutomaton]: CoverageRelationStatistics Valid=8001, Invalid=8001, Unknown=0, NotChecked=0, Total=16002 [2018-07-23 13:42:05,698 INFO L87 Difference]: Start difference. First operand 128 states and 128 transitions. Second operand 127 states. [2018-07-23 13:42:05,905 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2018-07-23 13:42:05,905 INFO L93 Difference]: Finished difference Result 131 states and 131 transitions. [2018-07-23 13:42:05,905 INFO L142 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 127 states. [2018-07-23 13:42:05,906 INFO L78 Accepts]: Start accepts. Automaton has 127 states. Word has length 127 [2018-07-23 13:42:05,906 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2018-07-23 13:42:05,906 INFO L225 Difference]: With dead ends: 131 [2018-07-23 13:42:05,906 INFO L226 Difference]: Without dead ends: 129 [2018-07-23 13:42:05,907 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 13:42:05,907 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 129 states. [2018-07-23 13:42:05,910 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 129 to 129. [2018-07-23 13:42:05,910 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 129 states. [2018-07-23 13:42:05,910 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 129 states to 129 states and 129 transitions. [2018-07-23 13:42:05,911 INFO L78 Accepts]: Start accepts. Automaton has 129 states and 129 transitions. Word has length 127 [2018-07-23 13:42:05,911 INFO L84 Accepts]: Finished accepts. word is rejected. [2018-07-23 13:42:05,911 INFO L471 AbstractCegarLoop]: Abstraction has 129 states and 129 transitions. [2018-07-23 13:42:05,911 INFO L472 AbstractCegarLoop]: Interpolant automaton has 127 states. [2018-07-23 13:42:05,911 INFO L276 IsEmpty]: Start isEmpty. Operand 129 states and 129 transitions. [2018-07-23 13:42:05,912 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 129 [2018-07-23 13:42:05,912 INFO L349 BasicCegarLoop]: Found error trace [2018-07-23 13:42:05,912 INFO L357 BasicCegarLoop]: trace histogram [125, 1, 1, 1] [2018-07-23 13:42:05,912 INFO L414 AbstractCegarLoop]: === Iteration 126 === [ULTIMATE.startErr0AssertViolationASSERT]=== [2018-07-23 13:42:05,912 INFO L82 PathProgramCache]: Analyzing trace with hash 1624726760, now seen corresponding path program 125 times [2018-07-23 13:42:05,913 INFO L69 tionRefinementEngine]: Using refinement strategy FixedRefinementStrategy [2018-07-23 13:42:05,930 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-07-23 13:42:06,279 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 13:42:06,279 INFO L309 seRefinementStrategy]: Constructing automaton from 0 perfect and 1 imperfect interpolant sequences. [2018-07-23 13:42:06,279 INFO L324 seRefinementStrategy]: Number of different interpolants: perfect sequences [] imperfect sequences [127] total 127 [2018-07-23 13:42:06,279 INFO L142 lantAutomatonBuilder]: Constructing canonical interpolant automaton, with selfloop in false state [2018-07-23 13:42:06,279 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 13:42:06,280 INFO L185 omatonBuilderFactory]: Interpolants [42240#(<= ULTIMATE.start_main_~x~4 216), 42241#(<= ULTIMATE.start_main_~x~4 218), 42242#(<= ULTIMATE.start_main_~x~4 220), 42243#(<= ULTIMATE.start_main_~x~4 222), 42244#(<= ULTIMATE.start_main_~x~4 224), 42245#(<= ULTIMATE.start_main_~x~4 226), 42246#(<= ULTIMATE.start_main_~x~4 228), 42247#(<= ULTIMATE.start_main_~x~4 230), 42248#(<= ULTIMATE.start_main_~x~4 232), 42249#(<= ULTIMATE.start_main_~x~4 234), 42250#(<= ULTIMATE.start_main_~x~4 236), 42251#(<= ULTIMATE.start_main_~x~4 238), 42252#(<= ULTIMATE.start_main_~x~4 240), 42253#(<= ULTIMATE.start_main_~x~4 242), 42254#(<= ULTIMATE.start_main_~x~4 244), 42255#(<= ULTIMATE.start_main_~x~4 246), 42256#(<= ULTIMATE.start_main_~x~4 248), 42257#(<= ULTIMATE.start_main_~x~4 250), 42258#(<= ULTIMATE.start_main_~x~4 252), 42259#(<= ULTIMATE.start_main_~x~4 254), 42260#(<= ULTIMATE.start_main_~x~4 256), 42261#(<= ULTIMATE.start_main_~x~4 258), 42262#(<= ULTIMATE.start_main_~x~4 260), 42135#true, 42136#false, 42137#(<= ULTIMATE.start_main_~x~4 10), 42138#(<= ULTIMATE.start_main_~x~4 12), 42139#(<= ULTIMATE.start_main_~x~4 14), 42140#(<= ULTIMATE.start_main_~x~4 16), 42141#(<= ULTIMATE.start_main_~x~4 18), 42142#(<= ULTIMATE.start_main_~x~4 20), 42143#(<= ULTIMATE.start_main_~x~4 22), 42144#(<= ULTIMATE.start_main_~x~4 24), 42145#(<= ULTIMATE.start_main_~x~4 26), 42146#(<= ULTIMATE.start_main_~x~4 28), 42147#(<= ULTIMATE.start_main_~x~4 30), 42148#(<= ULTIMATE.start_main_~x~4 32), 42149#(<= ULTIMATE.start_main_~x~4 34), 42150#(<= ULTIMATE.start_main_~x~4 36), 42151#(<= ULTIMATE.start_main_~x~4 38), 42152#(<= ULTIMATE.start_main_~x~4 40), 42153#(<= ULTIMATE.start_main_~x~4 42), 42154#(<= ULTIMATE.start_main_~x~4 44), 42155#(<= ULTIMATE.start_main_~x~4 46), 42156#(<= ULTIMATE.start_main_~x~4 48), 42157#(<= ULTIMATE.start_main_~x~4 50), 42158#(<= ULTIMATE.start_main_~x~4 52), 42159#(<= ULTIMATE.start_main_~x~4 54), 42160#(<= ULTIMATE.start_main_~x~4 56), 42161#(<= ULTIMATE.start_main_~x~4 58), 42162#(<= ULTIMATE.start_main_~x~4 60), 42163#(<= ULTIMATE.start_main_~x~4 62), 42164#(<= ULTIMATE.start_main_~x~4 64), 42165#(<= ULTIMATE.start_main_~x~4 66), 42166#(<= ULTIMATE.start_main_~x~4 68), 42167#(<= ULTIMATE.start_main_~x~4 70), 42168#(<= ULTIMATE.start_main_~x~4 72), 42169#(<= ULTIMATE.start_main_~x~4 74), 42170#(<= ULTIMATE.start_main_~x~4 76), 42171#(<= ULTIMATE.start_main_~x~4 78), 42172#(<= ULTIMATE.start_main_~x~4 80), 42173#(<= ULTIMATE.start_main_~x~4 82), 42174#(<= ULTIMATE.start_main_~x~4 84), 42175#(<= ULTIMATE.start_main_~x~4 86), 42176#(<= ULTIMATE.start_main_~x~4 88), 42177#(<= ULTIMATE.start_main_~x~4 90), 42178#(<= ULTIMATE.start_main_~x~4 92), 42179#(<= ULTIMATE.start_main_~x~4 94), 42180#(<= ULTIMATE.start_main_~x~4 96), 42181#(<= ULTIMATE.start_main_~x~4 98), 42182#(<= ULTIMATE.start_main_~x~4 100), 42183#(<= ULTIMATE.start_main_~x~4 102), 42184#(<= ULTIMATE.start_main_~x~4 104), 42185#(<= ULTIMATE.start_main_~x~4 106), 42186#(<= ULTIMATE.start_main_~x~4 108), 42187#(<= ULTIMATE.start_main_~x~4 110), 42188#(<= ULTIMATE.start_main_~x~4 112), 42189#(<= ULTIMATE.start_main_~x~4 114), 42190#(<= ULTIMATE.start_main_~x~4 116), 42191#(<= ULTIMATE.start_main_~x~4 118), 42192#(<= ULTIMATE.start_main_~x~4 120), 42193#(<= ULTIMATE.start_main_~x~4 122), 42194#(<= ULTIMATE.start_main_~x~4 124), 42195#(<= ULTIMATE.start_main_~x~4 126), 42196#(<= ULTIMATE.start_main_~x~4 128), 42197#(<= ULTIMATE.start_main_~x~4 130), 42198#(<= ULTIMATE.start_main_~x~4 132), 42199#(<= ULTIMATE.start_main_~x~4 134), 42200#(<= ULTIMATE.start_main_~x~4 136), 42201#(<= ULTIMATE.start_main_~x~4 138), 42202#(<= ULTIMATE.start_main_~x~4 140), 42203#(<= ULTIMATE.start_main_~x~4 142), 42204#(<= ULTIMATE.start_main_~x~4 144), 42205#(<= ULTIMATE.start_main_~x~4 146), 42206#(<= ULTIMATE.start_main_~x~4 148), 42207#(<= ULTIMATE.start_main_~x~4 150), 42208#(<= ULTIMATE.start_main_~x~4 152), 42209#(<= ULTIMATE.start_main_~x~4 154), 42210#(<= ULTIMATE.start_main_~x~4 156), 42211#(<= ULTIMATE.start_main_~x~4 158), 42212#(<= ULTIMATE.start_main_~x~4 160), 42213#(<= ULTIMATE.start_main_~x~4 162), 42214#(<= ULTIMATE.start_main_~x~4 164), 42215#(<= ULTIMATE.start_main_~x~4 166), 42216#(<= ULTIMATE.start_main_~x~4 168), 42217#(<= ULTIMATE.start_main_~x~4 170), 42218#(<= ULTIMATE.start_main_~x~4 172), 42219#(<= ULTIMATE.start_main_~x~4 174), 42220#(<= ULTIMATE.start_main_~x~4 176), 42221#(<= ULTIMATE.start_main_~x~4 178), 42222#(<= ULTIMATE.start_main_~x~4 180), 42223#(<= ULTIMATE.start_main_~x~4 182), 42224#(<= ULTIMATE.start_main_~x~4 184), 42225#(<= ULTIMATE.start_main_~x~4 186), 42226#(<= ULTIMATE.start_main_~x~4 188), 42227#(<= ULTIMATE.start_main_~x~4 190), 42228#(<= ULTIMATE.start_main_~x~4 192), 42229#(<= ULTIMATE.start_main_~x~4 194), 42230#(<= ULTIMATE.start_main_~x~4 196), 42231#(<= ULTIMATE.start_main_~x~4 198), 42232#(<= ULTIMATE.start_main_~x~4 200), 42233#(<= ULTIMATE.start_main_~x~4 202), 42234#(<= ULTIMATE.start_main_~x~4 204), 42235#(<= ULTIMATE.start_main_~x~4 206), 42236#(<= ULTIMATE.start_main_~x~4 208), 42237#(<= ULTIMATE.start_main_~x~4 210), 42238#(<= ULTIMATE.start_main_~x~4 212), 42239#(<= ULTIMATE.start_main_~x~4 214)] [2018-07-23 13:42:06,280 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 13:42:06,280 INFO L450 AbstractCegarLoop]: Interpolant automaton has 128 states [2018-07-23 13:42:06,282 INFO L132 InterpolantAutomaton]: Constructing interpolant automaton starting with 128 interpolants. [2018-07-23 13:42:06,283 INFO L133 InterpolantAutomaton]: CoverageRelationStatistics Valid=8128, Invalid=8128, Unknown=0, NotChecked=0, Total=16256 [2018-07-23 13:42:06,283 INFO L87 Difference]: Start difference. First operand 129 states and 129 transitions. Second operand 128 states. [2018-07-23 13:42:06,393 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2018-07-23 13:42:06,393 INFO L93 Difference]: Finished difference Result 132 states and 132 transitions. [2018-07-23 13:42:06,393 INFO L142 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 128 states. [2018-07-23 13:42:06,393 INFO L78 Accepts]: Start accepts. Automaton has 128 states. Word has length 128 [2018-07-23 13:42:06,393 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2018-07-23 13:42:06,393 INFO L225 Difference]: With dead ends: 132 [2018-07-23 13:42:06,394 INFO L226 Difference]: Without dead ends: 130 [2018-07-23 13:42:06,395 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 13:42:06,395 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 130 states. [2018-07-23 13:42:06,397 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 130 to 130. [2018-07-23 13:42:06,397 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 130 states. [2018-07-23 13:42:06,398 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 130 states to 130 states and 130 transitions. [2018-07-23 13:42:06,398 INFO L78 Accepts]: Start accepts. Automaton has 130 states and 130 transitions. Word has length 128 [2018-07-23 13:42:06,398 INFO L84 Accepts]: Finished accepts. word is rejected. [2018-07-23 13:42:06,398 INFO L471 AbstractCegarLoop]: Abstraction has 130 states and 130 transitions. [2018-07-23 13:42:06,398 INFO L472 AbstractCegarLoop]: Interpolant automaton has 128 states. [2018-07-23 13:42:06,398 INFO L276 IsEmpty]: Start isEmpty. Operand 130 states and 130 transitions. [2018-07-23 13:42:06,399 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 130 [2018-07-23 13:42:06,399 INFO L349 BasicCegarLoop]: Found error trace [2018-07-23 13:42:06,399 INFO L357 BasicCegarLoop]: trace histogram [126, 1, 1, 1] [2018-07-23 13:42:06,399 INFO L414 AbstractCegarLoop]: === Iteration 127 === [ULTIMATE.startErr0AssertViolationASSERT]=== [2018-07-23 13:42:06,399 INFO L82 PathProgramCache]: Analyzing trace with hash -1173079967, now seen corresponding path program 126 times [2018-07-23 13:42:06,399 INFO L69 tionRefinementEngine]: Using refinement strategy FixedRefinementStrategy [2018-07-23 13:42:06,416 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-07-23 13:42:07,033 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 13:42:07,034 INFO L309 seRefinementStrategy]: Constructing automaton from 0 perfect and 1 imperfect interpolant sequences. [2018-07-23 13:42:07,034 INFO L324 seRefinementStrategy]: Number of different interpolants: perfect sequences [] imperfect sequences [128] total 128 [2018-07-23 13:42:07,034 INFO L142 lantAutomatonBuilder]: Constructing canonical interpolant automaton, with selfloop in false state [2018-07-23 13:42:07,034 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2018-07-23 13:42:07,034 INFO L185 omatonBuilderFactory]: Interpolants [42787#true, 42788#false, 42789#(<= ULTIMATE.start_main_~x~4 10), 42790#(<= ULTIMATE.start_main_~x~4 12), 42791#(<= ULTIMATE.start_main_~x~4 14), 42792#(<= ULTIMATE.start_main_~x~4 16), 42793#(<= ULTIMATE.start_main_~x~4 18), 42794#(<= ULTIMATE.start_main_~x~4 20), 42795#(<= ULTIMATE.start_main_~x~4 22), 42796#(<= ULTIMATE.start_main_~x~4 24), 42797#(<= ULTIMATE.start_main_~x~4 26), 42798#(<= ULTIMATE.start_main_~x~4 28), 42799#(<= ULTIMATE.start_main_~x~4 30), 42800#(<= ULTIMATE.start_main_~x~4 32), 42801#(<= ULTIMATE.start_main_~x~4 34), 42802#(<= ULTIMATE.start_main_~x~4 36), 42803#(<= ULTIMATE.start_main_~x~4 38), 42804#(<= ULTIMATE.start_main_~x~4 40), 42805#(<= ULTIMATE.start_main_~x~4 42), 42806#(<= ULTIMATE.start_main_~x~4 44), 42807#(<= ULTIMATE.start_main_~x~4 46), 42808#(<= ULTIMATE.start_main_~x~4 48), 42809#(<= ULTIMATE.start_main_~x~4 50), 42810#(<= ULTIMATE.start_main_~x~4 52), 42811#(<= ULTIMATE.start_main_~x~4 54), 42812#(<= ULTIMATE.start_main_~x~4 56), 42813#(<= ULTIMATE.start_main_~x~4 58), 42814#(<= ULTIMATE.start_main_~x~4 60), 42815#(<= ULTIMATE.start_main_~x~4 62), 42816#(<= ULTIMATE.start_main_~x~4 64), 42817#(<= ULTIMATE.start_main_~x~4 66), 42818#(<= ULTIMATE.start_main_~x~4 68), 42819#(<= ULTIMATE.start_main_~x~4 70), 42820#(<= ULTIMATE.start_main_~x~4 72), 42821#(<= ULTIMATE.start_main_~x~4 74), 42822#(<= ULTIMATE.start_main_~x~4 76), 42823#(<= ULTIMATE.start_main_~x~4 78), 42824#(<= ULTIMATE.start_main_~x~4 80), 42825#(<= ULTIMATE.start_main_~x~4 82), 42826#(<= ULTIMATE.start_main_~x~4 84), 42827#(<= ULTIMATE.start_main_~x~4 86), 42828#(<= ULTIMATE.start_main_~x~4 88), 42829#(<= ULTIMATE.start_main_~x~4 90), 42830#(<= ULTIMATE.start_main_~x~4 92), 42831#(<= ULTIMATE.start_main_~x~4 94), 42832#(<= ULTIMATE.start_main_~x~4 96), 42833#(<= ULTIMATE.start_main_~x~4 98), 42834#(<= ULTIMATE.start_main_~x~4 100), 42835#(<= ULTIMATE.start_main_~x~4 102), 42836#(<= ULTIMATE.start_main_~x~4 104), 42837#(<= ULTIMATE.start_main_~x~4 106), 42838#(<= ULTIMATE.start_main_~x~4 108), 42839#(<= ULTIMATE.start_main_~x~4 110), 42840#(<= ULTIMATE.start_main_~x~4 112), 42841#(<= ULTIMATE.start_main_~x~4 114), 42842#(<= ULTIMATE.start_main_~x~4 116), 42843#(<= ULTIMATE.start_main_~x~4 118), 42844#(<= ULTIMATE.start_main_~x~4 120), 42845#(<= ULTIMATE.start_main_~x~4 122), 42846#(<= ULTIMATE.start_main_~x~4 124), 42847#(<= ULTIMATE.start_main_~x~4 126), 42848#(<= ULTIMATE.start_main_~x~4 128), 42849#(<= ULTIMATE.start_main_~x~4 130), 42850#(<= ULTIMATE.start_main_~x~4 132), 42851#(<= ULTIMATE.start_main_~x~4 134), 42852#(<= ULTIMATE.start_main_~x~4 136), 42853#(<= ULTIMATE.start_main_~x~4 138), 42854#(<= ULTIMATE.start_main_~x~4 140), 42855#(<= ULTIMATE.start_main_~x~4 142), 42856#(<= ULTIMATE.start_main_~x~4 144), 42857#(<= ULTIMATE.start_main_~x~4 146), 42858#(<= ULTIMATE.start_main_~x~4 148), 42859#(<= ULTIMATE.start_main_~x~4 150), 42860#(<= ULTIMATE.start_main_~x~4 152), 42861#(<= ULTIMATE.start_main_~x~4 154), 42862#(<= ULTIMATE.start_main_~x~4 156), 42863#(<= ULTIMATE.start_main_~x~4 158), 42864#(<= ULTIMATE.start_main_~x~4 160), 42865#(<= ULTIMATE.start_main_~x~4 162), 42866#(<= ULTIMATE.start_main_~x~4 164), 42867#(<= ULTIMATE.start_main_~x~4 166), 42868#(<= ULTIMATE.start_main_~x~4 168), 42869#(<= ULTIMATE.start_main_~x~4 170), 42870#(<= ULTIMATE.start_main_~x~4 172), 42871#(<= ULTIMATE.start_main_~x~4 174), 42872#(<= ULTIMATE.start_main_~x~4 176), 42873#(<= ULTIMATE.start_main_~x~4 178), 42874#(<= ULTIMATE.start_main_~x~4 180), 42875#(<= ULTIMATE.start_main_~x~4 182), 42876#(<= ULTIMATE.start_main_~x~4 184), 42877#(<= ULTIMATE.start_main_~x~4 186), 42878#(<= ULTIMATE.start_main_~x~4 188), 42879#(<= ULTIMATE.start_main_~x~4 190), 42880#(<= ULTIMATE.start_main_~x~4 192), 42881#(<= ULTIMATE.start_main_~x~4 194), 42882#(<= ULTIMATE.start_main_~x~4 196), 42883#(<= ULTIMATE.start_main_~x~4 198), 42884#(<= ULTIMATE.start_main_~x~4 200), 42885#(<= ULTIMATE.start_main_~x~4 202), 42886#(<= ULTIMATE.start_main_~x~4 204), 42887#(<= ULTIMATE.start_main_~x~4 206), 42888#(<= ULTIMATE.start_main_~x~4 208), 42889#(<= ULTIMATE.start_main_~x~4 210), 42890#(<= ULTIMATE.start_main_~x~4 212), 42891#(<= ULTIMATE.start_main_~x~4 214), 42892#(<= ULTIMATE.start_main_~x~4 216), 42893#(<= ULTIMATE.start_main_~x~4 218), 42894#(<= ULTIMATE.start_main_~x~4 220), 42895#(<= ULTIMATE.start_main_~x~4 222), 42896#(<= ULTIMATE.start_main_~x~4 224), 42897#(<= ULTIMATE.start_main_~x~4 226), 42898#(<= ULTIMATE.start_main_~x~4 228), 42899#(<= ULTIMATE.start_main_~x~4 230), 42900#(<= ULTIMATE.start_main_~x~4 232), 42901#(<= ULTIMATE.start_main_~x~4 234), 42902#(<= ULTIMATE.start_main_~x~4 236), 42903#(<= ULTIMATE.start_main_~x~4 238), 42904#(<= ULTIMATE.start_main_~x~4 240), 42905#(<= ULTIMATE.start_main_~x~4 242), 42906#(<= ULTIMATE.start_main_~x~4 244), 42907#(<= ULTIMATE.start_main_~x~4 246), 42908#(<= ULTIMATE.start_main_~x~4 248), 42909#(<= ULTIMATE.start_main_~x~4 250), 42910#(<= ULTIMATE.start_main_~x~4 252), 42911#(<= ULTIMATE.start_main_~x~4 254), 42912#(<= ULTIMATE.start_main_~x~4 256), 42913#(<= ULTIMATE.start_main_~x~4 258), 42914#(<= ULTIMATE.start_main_~x~4 260), 42915#(<= ULTIMATE.start_main_~x~4 262)] [2018-07-23 13:42:07,035 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 13:42:07,035 INFO L450 AbstractCegarLoop]: Interpolant automaton has 129 states [2018-07-23 13:42:07,037 INFO L132 InterpolantAutomaton]: Constructing interpolant automaton starting with 129 interpolants. [2018-07-23 13:42:07,038 INFO L133 InterpolantAutomaton]: CoverageRelationStatistics Valid=8256, Invalid=8256, Unknown=0, NotChecked=0, Total=16512 [2018-07-23 13:42:07,039 INFO L87 Difference]: Start difference. First operand 130 states and 130 transitions. Second operand 129 states. [2018-07-23 13:42:07,231 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2018-07-23 13:42:07,232 INFO L93 Difference]: Finished difference Result 133 states and 133 transitions. [2018-07-23 13:42:07,232 INFO L142 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 129 states. [2018-07-23 13:42:07,232 INFO L78 Accepts]: Start accepts. Automaton has 129 states. Word has length 129 [2018-07-23 13:42:07,232 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2018-07-23 13:42:07,232 INFO L225 Difference]: With dead ends: 133 [2018-07-23 13:42:07,232 INFO L226 Difference]: Without dead ends: 131 [2018-07-23 13:42:07,234 INFO L575 BasicCegarLoop]: 0 DeclaredPredicates, 128 GetRequests, 1 SyntacticMatches, 0 SemanticMatches, 127 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 0 ImplicationChecksByTransitivity, 0.5s TimeCoverageRelationStatistics Valid=8256, Invalid=8256, Unknown=0, NotChecked=0, Total=16512 [2018-07-23 13:42:07,234 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 131 states. [2018-07-23 13:42:07,236 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 131 to 131. [2018-07-23 13:42:07,236 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 131 states. [2018-07-23 13:42:07,237 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 131 states to 131 states and 131 transitions. [2018-07-23 13:42:07,237 INFO L78 Accepts]: Start accepts. Automaton has 131 states and 131 transitions. Word has length 129 [2018-07-23 13:42:07,237 INFO L84 Accepts]: Finished accepts. word is rejected. [2018-07-23 13:42:07,237 INFO L471 AbstractCegarLoop]: Abstraction has 131 states and 131 transitions. [2018-07-23 13:42:07,237 INFO L472 AbstractCegarLoop]: Interpolant automaton has 129 states. [2018-07-23 13:42:07,237 INFO L276 IsEmpty]: Start isEmpty. Operand 131 states and 131 transitions. [2018-07-23 13:42:07,238 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 131 [2018-07-23 13:42:07,238 INFO L349 BasicCegarLoop]: Found error trace [2018-07-23 13:42:07,238 INFO L357 BasicCegarLoop]: trace histogram [127, 1, 1, 1] [2018-07-23 13:42:07,238 INFO L414 AbstractCegarLoop]: === Iteration 128 === [ULTIMATE.startErr0AssertViolationASSERT]=== [2018-07-23 13:42:07,238 INFO L82 PathProgramCache]: Analyzing trace with hash -2005742584, now seen corresponding path program 127 times [2018-07-23 13:42:07,239 INFO L69 tionRefinementEngine]: Using refinement strategy FixedRefinementStrategy [2018-07-23 13:42:07,254 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-07-23 13:42:07,829 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 13:42:07,829 INFO L309 seRefinementStrategy]: Constructing automaton from 0 perfect and 1 imperfect interpolant sequences. [2018-07-23 13:42:07,829 INFO L324 seRefinementStrategy]: Number of different interpolants: perfect sequences [] imperfect sequences [129] total 129 [2018-07-23 13:42:07,829 INFO L142 lantAutomatonBuilder]: Constructing canonical interpolant automaton, with selfloop in false state [2018-07-23 13:42:07,830 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2018-07-23 13:42:07,830 INFO L185 omatonBuilderFactory]: Interpolants [43520#(<= ULTIMATE.start_main_~x~4 158), 43521#(<= ULTIMATE.start_main_~x~4 160), 43522#(<= ULTIMATE.start_main_~x~4 162), 43523#(<= ULTIMATE.start_main_~x~4 164), 43524#(<= ULTIMATE.start_main_~x~4 166), 43525#(<= ULTIMATE.start_main_~x~4 168), 43526#(<= ULTIMATE.start_main_~x~4 170), 43527#(<= ULTIMATE.start_main_~x~4 172), 43528#(<= ULTIMATE.start_main_~x~4 174), 43529#(<= ULTIMATE.start_main_~x~4 176), 43530#(<= ULTIMATE.start_main_~x~4 178), 43531#(<= ULTIMATE.start_main_~x~4 180), 43532#(<= ULTIMATE.start_main_~x~4 182), 43533#(<= ULTIMATE.start_main_~x~4 184), 43534#(<= ULTIMATE.start_main_~x~4 186), 43535#(<= ULTIMATE.start_main_~x~4 188), 43536#(<= ULTIMATE.start_main_~x~4 190), 43537#(<= ULTIMATE.start_main_~x~4 192), 43538#(<= ULTIMATE.start_main_~x~4 194), 43539#(<= ULTIMATE.start_main_~x~4 196), 43540#(<= ULTIMATE.start_main_~x~4 198), 43541#(<= ULTIMATE.start_main_~x~4 200), 43542#(<= ULTIMATE.start_main_~x~4 202), 43543#(<= ULTIMATE.start_main_~x~4 204), 43544#(<= ULTIMATE.start_main_~x~4 206), 43545#(<= ULTIMATE.start_main_~x~4 208), 43546#(<= ULTIMATE.start_main_~x~4 210), 43547#(<= ULTIMATE.start_main_~x~4 212), 43548#(<= ULTIMATE.start_main_~x~4 214), 43549#(<= ULTIMATE.start_main_~x~4 216), 43550#(<= ULTIMATE.start_main_~x~4 218), 43551#(<= ULTIMATE.start_main_~x~4 220), 43552#(<= ULTIMATE.start_main_~x~4 222), 43553#(<= ULTIMATE.start_main_~x~4 224), 43554#(<= ULTIMATE.start_main_~x~4 226), 43555#(<= ULTIMATE.start_main_~x~4 228), 43556#(<= ULTIMATE.start_main_~x~4 230), 43557#(<= ULTIMATE.start_main_~x~4 232), 43558#(<= ULTIMATE.start_main_~x~4 234), 43559#(<= ULTIMATE.start_main_~x~4 236), 43560#(<= ULTIMATE.start_main_~x~4 238), 43561#(<= ULTIMATE.start_main_~x~4 240), 43562#(<= ULTIMATE.start_main_~x~4 242), 43563#(<= ULTIMATE.start_main_~x~4 244), 43564#(<= ULTIMATE.start_main_~x~4 246), 43565#(<= ULTIMATE.start_main_~x~4 248), 43566#(<= ULTIMATE.start_main_~x~4 250), 43567#(<= ULTIMATE.start_main_~x~4 252), 43568#(<= ULTIMATE.start_main_~x~4 254), 43569#(<= ULTIMATE.start_main_~x~4 256), 43570#(<= ULTIMATE.start_main_~x~4 258), 43571#(<= ULTIMATE.start_main_~x~4 260), 43572#(<= ULTIMATE.start_main_~x~4 262), 43573#(<= ULTIMATE.start_main_~x~4 264), 43444#true, 43445#false, 43446#(<= ULTIMATE.start_main_~x~4 10), 43447#(<= ULTIMATE.start_main_~x~4 12), 43448#(<= ULTIMATE.start_main_~x~4 14), 43449#(<= ULTIMATE.start_main_~x~4 16), 43450#(<= ULTIMATE.start_main_~x~4 18), 43451#(<= ULTIMATE.start_main_~x~4 20), 43452#(<= ULTIMATE.start_main_~x~4 22), 43453#(<= ULTIMATE.start_main_~x~4 24), 43454#(<= ULTIMATE.start_main_~x~4 26), 43455#(<= ULTIMATE.start_main_~x~4 28), 43456#(<= ULTIMATE.start_main_~x~4 30), 43457#(<= ULTIMATE.start_main_~x~4 32), 43458#(<= ULTIMATE.start_main_~x~4 34), 43459#(<= ULTIMATE.start_main_~x~4 36), 43460#(<= ULTIMATE.start_main_~x~4 38), 43461#(<= ULTIMATE.start_main_~x~4 40), 43462#(<= ULTIMATE.start_main_~x~4 42), 43463#(<= ULTIMATE.start_main_~x~4 44), 43464#(<= ULTIMATE.start_main_~x~4 46), 43465#(<= ULTIMATE.start_main_~x~4 48), 43466#(<= ULTIMATE.start_main_~x~4 50), 43467#(<= ULTIMATE.start_main_~x~4 52), 43468#(<= ULTIMATE.start_main_~x~4 54), 43469#(<= ULTIMATE.start_main_~x~4 56), 43470#(<= ULTIMATE.start_main_~x~4 58), 43471#(<= ULTIMATE.start_main_~x~4 60), 43472#(<= ULTIMATE.start_main_~x~4 62), 43473#(<= ULTIMATE.start_main_~x~4 64), 43474#(<= ULTIMATE.start_main_~x~4 66), 43475#(<= ULTIMATE.start_main_~x~4 68), 43476#(<= ULTIMATE.start_main_~x~4 70), 43477#(<= ULTIMATE.start_main_~x~4 72), 43478#(<= ULTIMATE.start_main_~x~4 74), 43479#(<= ULTIMATE.start_main_~x~4 76), 43480#(<= ULTIMATE.start_main_~x~4 78), 43481#(<= ULTIMATE.start_main_~x~4 80), 43482#(<= ULTIMATE.start_main_~x~4 82), 43483#(<= ULTIMATE.start_main_~x~4 84), 43484#(<= ULTIMATE.start_main_~x~4 86), 43485#(<= ULTIMATE.start_main_~x~4 88), 43486#(<= ULTIMATE.start_main_~x~4 90), 43487#(<= ULTIMATE.start_main_~x~4 92), 43488#(<= ULTIMATE.start_main_~x~4 94), 43489#(<= ULTIMATE.start_main_~x~4 96), 43490#(<= ULTIMATE.start_main_~x~4 98), 43491#(<= ULTIMATE.start_main_~x~4 100), 43492#(<= ULTIMATE.start_main_~x~4 102), 43493#(<= ULTIMATE.start_main_~x~4 104), 43494#(<= ULTIMATE.start_main_~x~4 106), 43495#(<= ULTIMATE.start_main_~x~4 108), 43496#(<= ULTIMATE.start_main_~x~4 110), 43497#(<= ULTIMATE.start_main_~x~4 112), 43498#(<= ULTIMATE.start_main_~x~4 114), 43499#(<= ULTIMATE.start_main_~x~4 116), 43500#(<= ULTIMATE.start_main_~x~4 118), 43501#(<= ULTIMATE.start_main_~x~4 120), 43502#(<= ULTIMATE.start_main_~x~4 122), 43503#(<= ULTIMATE.start_main_~x~4 124), 43504#(<= ULTIMATE.start_main_~x~4 126), 43505#(<= ULTIMATE.start_main_~x~4 128), 43506#(<= ULTIMATE.start_main_~x~4 130), 43507#(<= ULTIMATE.start_main_~x~4 132), 43508#(<= ULTIMATE.start_main_~x~4 134), 43509#(<= ULTIMATE.start_main_~x~4 136), 43510#(<= ULTIMATE.start_main_~x~4 138), 43511#(<= ULTIMATE.start_main_~x~4 140), 43512#(<= ULTIMATE.start_main_~x~4 142), 43513#(<= ULTIMATE.start_main_~x~4 144), 43514#(<= ULTIMATE.start_main_~x~4 146), 43515#(<= ULTIMATE.start_main_~x~4 148), 43516#(<= ULTIMATE.start_main_~x~4 150), 43517#(<= ULTIMATE.start_main_~x~4 152), 43518#(<= ULTIMATE.start_main_~x~4 154), 43519#(<= ULTIMATE.start_main_~x~4 156)] [2018-07-23 13:42:07,831 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 13:42:07,831 INFO L450 AbstractCegarLoop]: Interpolant automaton has 130 states [2018-07-23 13:42:07,833 INFO L132 InterpolantAutomaton]: Constructing interpolant automaton starting with 130 interpolants. [2018-07-23 13:42:07,834 INFO L133 InterpolantAutomaton]: CoverageRelationStatistics Valid=8385, Invalid=8385, Unknown=0, NotChecked=0, Total=16770 [2018-07-23 13:42:07,834 INFO L87 Difference]: Start difference. First operand 131 states and 131 transitions. Second operand 130 states. [2018-07-23 13:42:07,905 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2018-07-23 13:42:07,905 INFO L93 Difference]: Finished difference Result 134 states and 134 transitions. [2018-07-23 13:42:07,905 INFO L142 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 130 states. [2018-07-23 13:42:07,905 INFO L78 Accepts]: Start accepts. Automaton has 130 states. Word has length 130 [2018-07-23 13:42:07,906 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2018-07-23 13:42:07,906 INFO L225 Difference]: With dead ends: 134 [2018-07-23 13:42:07,906 INFO L226 Difference]: Without dead ends: 132 [2018-07-23 13:42:07,908 INFO L575 BasicCegarLoop]: 0 DeclaredPredicates, 129 GetRequests, 1 SyntacticMatches, 0 SemanticMatches, 128 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 0 ImplicationChecksByTransitivity, 0.5s TimeCoverageRelationStatistics Valid=8385, Invalid=8385, Unknown=0, NotChecked=0, Total=16770 [2018-07-23 13:42:07,908 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 132 states. [2018-07-23 13:42:07,910 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 132 to 132. [2018-07-23 13:42:07,910 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 132 states. [2018-07-23 13:42:07,911 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 132 states to 132 states and 132 transitions. [2018-07-23 13:42:07,911 INFO L78 Accepts]: Start accepts. Automaton has 132 states and 132 transitions. Word has length 130 [2018-07-23 13:42:07,911 INFO L84 Accepts]: Finished accepts. word is rejected. [2018-07-23 13:42:07,912 INFO L471 AbstractCegarLoop]: Abstraction has 132 states and 132 transitions. [2018-07-23 13:42:07,912 INFO L472 AbstractCegarLoop]: Interpolant automaton has 130 states. [2018-07-23 13:42:07,912 INFO L276 IsEmpty]: Start isEmpty. Operand 132 states and 132 transitions. [2018-07-23 13:42:07,912 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 132 [2018-07-23 13:42:07,912 INFO L349 BasicCegarLoop]: Found error trace [2018-07-23 13:42:07,913 INFO L357 BasicCegarLoop]: trace histogram [128, 1, 1, 1] [2018-07-23 13:42:07,913 INFO L414 AbstractCegarLoop]: === Iteration 129 === [ULTIMATE.startErr0AssertViolationASSERT]=== [2018-07-23 13:42:07,913 INFO L82 PathProgramCache]: Analyzing trace with hash -2048479935, now seen corresponding path program 128 times [2018-07-23 13:42:07,913 INFO L69 tionRefinementEngine]: Using refinement strategy FixedRefinementStrategy [2018-07-23 13:42:07,929 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-07-23 13:42:08,321 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 13:42:08,321 INFO L309 seRefinementStrategy]: Constructing automaton from 0 perfect and 1 imperfect interpolant sequences. [2018-07-23 13:42:08,322 INFO L324 seRefinementStrategy]: Number of different interpolants: perfect sequences [] imperfect sequences [130] total 130 [2018-07-23 13:42:08,322 INFO L142 lantAutomatonBuilder]: Constructing canonical interpolant automaton, with selfloop in false state [2018-07-23 13:42:08,322 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 13:42:08,322 INFO L185 omatonBuilderFactory]: Interpolants [44106#true, 44107#false, 44108#(<= ULTIMATE.start_main_~x~4 10), 44109#(<= ULTIMATE.start_main_~x~4 12), 44110#(<= ULTIMATE.start_main_~x~4 14), 44111#(<= ULTIMATE.start_main_~x~4 16), 44112#(<= ULTIMATE.start_main_~x~4 18), 44113#(<= ULTIMATE.start_main_~x~4 20), 44114#(<= ULTIMATE.start_main_~x~4 22), 44115#(<= ULTIMATE.start_main_~x~4 24), 44116#(<= ULTIMATE.start_main_~x~4 26), 44117#(<= ULTIMATE.start_main_~x~4 28), 44118#(<= ULTIMATE.start_main_~x~4 30), 44119#(<= ULTIMATE.start_main_~x~4 32), 44120#(<= ULTIMATE.start_main_~x~4 34), 44121#(<= ULTIMATE.start_main_~x~4 36), 44122#(<= ULTIMATE.start_main_~x~4 38), 44123#(<= ULTIMATE.start_main_~x~4 40), 44124#(<= ULTIMATE.start_main_~x~4 42), 44125#(<= ULTIMATE.start_main_~x~4 44), 44126#(<= ULTIMATE.start_main_~x~4 46), 44127#(<= ULTIMATE.start_main_~x~4 48), 44128#(<= ULTIMATE.start_main_~x~4 50), 44129#(<= ULTIMATE.start_main_~x~4 52), 44130#(<= ULTIMATE.start_main_~x~4 54), 44131#(<= ULTIMATE.start_main_~x~4 56), 44132#(<= ULTIMATE.start_main_~x~4 58), 44133#(<= ULTIMATE.start_main_~x~4 60), 44134#(<= ULTIMATE.start_main_~x~4 62), 44135#(<= ULTIMATE.start_main_~x~4 64), 44136#(<= ULTIMATE.start_main_~x~4 66), 44137#(<= ULTIMATE.start_main_~x~4 68), 44138#(<= ULTIMATE.start_main_~x~4 70), 44139#(<= ULTIMATE.start_main_~x~4 72), 44140#(<= ULTIMATE.start_main_~x~4 74), 44141#(<= ULTIMATE.start_main_~x~4 76), 44142#(<= ULTIMATE.start_main_~x~4 78), 44143#(<= ULTIMATE.start_main_~x~4 80), 44144#(<= ULTIMATE.start_main_~x~4 82), 44145#(<= ULTIMATE.start_main_~x~4 84), 44146#(<= ULTIMATE.start_main_~x~4 86), 44147#(<= ULTIMATE.start_main_~x~4 88), 44148#(<= ULTIMATE.start_main_~x~4 90), 44149#(<= ULTIMATE.start_main_~x~4 92), 44150#(<= ULTIMATE.start_main_~x~4 94), 44151#(<= ULTIMATE.start_main_~x~4 96), 44152#(<= ULTIMATE.start_main_~x~4 98), 44153#(<= ULTIMATE.start_main_~x~4 100), 44154#(<= ULTIMATE.start_main_~x~4 102), 44155#(<= ULTIMATE.start_main_~x~4 104), 44156#(<= ULTIMATE.start_main_~x~4 106), 44157#(<= ULTIMATE.start_main_~x~4 108), 44158#(<= ULTIMATE.start_main_~x~4 110), 44159#(<= ULTIMATE.start_main_~x~4 112), 44160#(<= ULTIMATE.start_main_~x~4 114), 44161#(<= ULTIMATE.start_main_~x~4 116), 44162#(<= ULTIMATE.start_main_~x~4 118), 44163#(<= ULTIMATE.start_main_~x~4 120), 44164#(<= ULTIMATE.start_main_~x~4 122), 44165#(<= ULTIMATE.start_main_~x~4 124), 44166#(<= ULTIMATE.start_main_~x~4 126), 44167#(<= ULTIMATE.start_main_~x~4 128), 44168#(<= ULTIMATE.start_main_~x~4 130), 44169#(<= ULTIMATE.start_main_~x~4 132), 44170#(<= ULTIMATE.start_main_~x~4 134), 44171#(<= ULTIMATE.start_main_~x~4 136), 44172#(<= ULTIMATE.start_main_~x~4 138), 44173#(<= ULTIMATE.start_main_~x~4 140), 44174#(<= ULTIMATE.start_main_~x~4 142), 44175#(<= ULTIMATE.start_main_~x~4 144), 44176#(<= ULTIMATE.start_main_~x~4 146), 44177#(<= ULTIMATE.start_main_~x~4 148), 44178#(<= ULTIMATE.start_main_~x~4 150), 44179#(<= ULTIMATE.start_main_~x~4 152), 44180#(<= ULTIMATE.start_main_~x~4 154), 44181#(<= ULTIMATE.start_main_~x~4 156), 44182#(<= ULTIMATE.start_main_~x~4 158), 44183#(<= ULTIMATE.start_main_~x~4 160), 44184#(<= ULTIMATE.start_main_~x~4 162), 44185#(<= ULTIMATE.start_main_~x~4 164), 44186#(<= ULTIMATE.start_main_~x~4 166), 44187#(<= ULTIMATE.start_main_~x~4 168), 44188#(<= ULTIMATE.start_main_~x~4 170), 44189#(<= ULTIMATE.start_main_~x~4 172), 44190#(<= ULTIMATE.start_main_~x~4 174), 44191#(<= ULTIMATE.start_main_~x~4 176), 44192#(<= ULTIMATE.start_main_~x~4 178), 44193#(<= ULTIMATE.start_main_~x~4 180), 44194#(<= ULTIMATE.start_main_~x~4 182), 44195#(<= ULTIMATE.start_main_~x~4 184), 44196#(<= ULTIMATE.start_main_~x~4 186), 44197#(<= ULTIMATE.start_main_~x~4 188), 44198#(<= ULTIMATE.start_main_~x~4 190), 44199#(<= ULTIMATE.start_main_~x~4 192), 44200#(<= ULTIMATE.start_main_~x~4 194), 44201#(<= ULTIMATE.start_main_~x~4 196), 44202#(<= ULTIMATE.start_main_~x~4 198), 44203#(<= ULTIMATE.start_main_~x~4 200), 44204#(<= ULTIMATE.start_main_~x~4 202), 44205#(<= ULTIMATE.start_main_~x~4 204), 44206#(<= ULTIMATE.start_main_~x~4 206), 44207#(<= ULTIMATE.start_main_~x~4 208), 44208#(<= ULTIMATE.start_main_~x~4 210), 44209#(<= ULTIMATE.start_main_~x~4 212), 44210#(<= ULTIMATE.start_main_~x~4 214), 44211#(<= ULTIMATE.start_main_~x~4 216), 44212#(<= ULTIMATE.start_main_~x~4 218), 44213#(<= ULTIMATE.start_main_~x~4 220), 44214#(<= ULTIMATE.start_main_~x~4 222), 44215#(<= ULTIMATE.start_main_~x~4 224), 44216#(<= ULTIMATE.start_main_~x~4 226), 44217#(<= ULTIMATE.start_main_~x~4 228), 44218#(<= ULTIMATE.start_main_~x~4 230), 44219#(<= ULTIMATE.start_main_~x~4 232), 44220#(<= ULTIMATE.start_main_~x~4 234), 44221#(<= ULTIMATE.start_main_~x~4 236), 44222#(<= ULTIMATE.start_main_~x~4 238), 44223#(<= ULTIMATE.start_main_~x~4 240), 44224#(<= ULTIMATE.start_main_~x~4 242), 44225#(<= ULTIMATE.start_main_~x~4 244), 44226#(<= ULTIMATE.start_main_~x~4 246), 44227#(<= ULTIMATE.start_main_~x~4 248), 44228#(<= ULTIMATE.start_main_~x~4 250), 44229#(<= ULTIMATE.start_main_~x~4 252), 44230#(<= ULTIMATE.start_main_~x~4 254), 44231#(<= ULTIMATE.start_main_~x~4 256), 44232#(<= ULTIMATE.start_main_~x~4 258), 44233#(<= ULTIMATE.start_main_~x~4 260), 44234#(<= ULTIMATE.start_main_~x~4 262), 44235#(<= ULTIMATE.start_main_~x~4 264), 44236#(<= ULTIMATE.start_main_~x~4 266)] [2018-07-23 13:42:08,323 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 13:42:08,323 INFO L450 AbstractCegarLoop]: Interpolant automaton has 131 states [2018-07-23 13:42:08,325 INFO L132 InterpolantAutomaton]: Constructing interpolant automaton starting with 131 interpolants. [2018-07-23 13:42:08,326 INFO L133 InterpolantAutomaton]: CoverageRelationStatistics Valid=8515, Invalid=8515, Unknown=0, NotChecked=0, Total=17030 [2018-07-23 13:42:08,326 INFO L87 Difference]: Start difference. First operand 132 states and 132 transitions. Second operand 131 states. [2018-07-23 13:42:08,490 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2018-07-23 13:42:08,491 INFO L93 Difference]: Finished difference Result 135 states and 135 transitions. [2018-07-23 13:42:08,491 INFO L142 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 131 states. [2018-07-23 13:42:08,491 INFO L78 Accepts]: Start accepts. Automaton has 131 states. Word has length 131 [2018-07-23 13:42:08,491 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2018-07-23 13:42:08,491 INFO L225 Difference]: With dead ends: 135 [2018-07-23 13:42:08,492 INFO L226 Difference]: Without dead ends: 133 [2018-07-23 13:42:08,493 INFO L575 BasicCegarLoop]: 0 DeclaredPredicates, 130 GetRequests, 1 SyntacticMatches, 0 SemanticMatches, 129 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 0 ImplicationChecksByTransitivity, 0.3s TimeCoverageRelationStatistics Valid=8515, Invalid=8515, Unknown=0, NotChecked=0, Total=17030 [2018-07-23 13:42:08,493 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 133 states. [2018-07-23 13:42:08,495 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 133 to 133. [2018-07-23 13:42:08,495 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 133 states. [2018-07-23 13:42:08,496 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 133 states to 133 states and 133 transitions. [2018-07-23 13:42:08,496 INFO L78 Accepts]: Start accepts. Automaton has 133 states and 133 transitions. Word has length 131 [2018-07-23 13:42:08,496 INFO L84 Accepts]: Finished accepts. word is rejected. [2018-07-23 13:42:08,496 INFO L471 AbstractCegarLoop]: Abstraction has 133 states and 133 transitions. [2018-07-23 13:42:08,496 INFO L472 AbstractCegarLoop]: Interpolant automaton has 131 states. [2018-07-23 13:42:08,496 INFO L276 IsEmpty]: Start isEmpty. Operand 133 states and 133 transitions. [2018-07-23 13:42:08,497 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 133 [2018-07-23 13:42:08,497 INFO L349 BasicCegarLoop]: Found error trace [2018-07-23 13:42:08,497 INFO L357 BasicCegarLoop]: trace histogram [129, 1, 1, 1] [2018-07-23 13:42:08,497 INFO L414 AbstractCegarLoop]: === Iteration 130 === [ULTIMATE.startErr0AssertViolationASSERT]=== [2018-07-23 13:42:08,497 INFO L82 PathProgramCache]: Analyzing trace with hash 921629480, now seen corresponding path program 129 times [2018-07-23 13:42:08,497 INFO L69 tionRefinementEngine]: Using refinement strategy FixedRefinementStrategy [2018-07-23 13:42:08,510 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-07-23 13:42:08,900 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 13:42:08,900 INFO L309 seRefinementStrategy]: Constructing automaton from 0 perfect and 1 imperfect interpolant sequences. [2018-07-23 13:42:08,900 INFO L324 seRefinementStrategy]: Number of different interpolants: perfect sequences [] imperfect sequences [131] total 131 [2018-07-23 13:42:08,900 INFO L142 lantAutomatonBuilder]: Constructing canonical interpolant automaton, with selfloop in false state [2018-07-23 13:42:08,900 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 13:42:08,901 INFO L185 omatonBuilderFactory]: Interpolants [44800#(<= ULTIMATE.start_main_~x~4 60), 44801#(<= ULTIMATE.start_main_~x~4 62), 44802#(<= ULTIMATE.start_main_~x~4 64), 44803#(<= ULTIMATE.start_main_~x~4 66), 44804#(<= ULTIMATE.start_main_~x~4 68), 44805#(<= ULTIMATE.start_main_~x~4 70), 44806#(<= ULTIMATE.start_main_~x~4 72), 44807#(<= ULTIMATE.start_main_~x~4 74), 44808#(<= ULTIMATE.start_main_~x~4 76), 44809#(<= ULTIMATE.start_main_~x~4 78), 44810#(<= ULTIMATE.start_main_~x~4 80), 44811#(<= ULTIMATE.start_main_~x~4 82), 44812#(<= ULTIMATE.start_main_~x~4 84), 44813#(<= ULTIMATE.start_main_~x~4 86), 44814#(<= ULTIMATE.start_main_~x~4 88), 44815#(<= ULTIMATE.start_main_~x~4 90), 44816#(<= ULTIMATE.start_main_~x~4 92), 44817#(<= ULTIMATE.start_main_~x~4 94), 44818#(<= ULTIMATE.start_main_~x~4 96), 44819#(<= ULTIMATE.start_main_~x~4 98), 44820#(<= ULTIMATE.start_main_~x~4 100), 44821#(<= ULTIMATE.start_main_~x~4 102), 44822#(<= ULTIMATE.start_main_~x~4 104), 44823#(<= ULTIMATE.start_main_~x~4 106), 44824#(<= ULTIMATE.start_main_~x~4 108), 44825#(<= ULTIMATE.start_main_~x~4 110), 44826#(<= ULTIMATE.start_main_~x~4 112), 44827#(<= ULTIMATE.start_main_~x~4 114), 44828#(<= ULTIMATE.start_main_~x~4 116), 44829#(<= ULTIMATE.start_main_~x~4 118), 44830#(<= ULTIMATE.start_main_~x~4 120), 44831#(<= ULTIMATE.start_main_~x~4 122), 44832#(<= ULTIMATE.start_main_~x~4 124), 44833#(<= ULTIMATE.start_main_~x~4 126), 44834#(<= ULTIMATE.start_main_~x~4 128), 44835#(<= ULTIMATE.start_main_~x~4 130), 44836#(<= ULTIMATE.start_main_~x~4 132), 44837#(<= ULTIMATE.start_main_~x~4 134), 44838#(<= ULTIMATE.start_main_~x~4 136), 44839#(<= ULTIMATE.start_main_~x~4 138), 44840#(<= ULTIMATE.start_main_~x~4 140), 44841#(<= ULTIMATE.start_main_~x~4 142), 44842#(<= ULTIMATE.start_main_~x~4 144), 44843#(<= ULTIMATE.start_main_~x~4 146), 44844#(<= ULTIMATE.start_main_~x~4 148), 44845#(<= ULTIMATE.start_main_~x~4 150), 44846#(<= ULTIMATE.start_main_~x~4 152), 44847#(<= ULTIMATE.start_main_~x~4 154), 44848#(<= ULTIMATE.start_main_~x~4 156), 44849#(<= ULTIMATE.start_main_~x~4 158), 44850#(<= ULTIMATE.start_main_~x~4 160), 44851#(<= ULTIMATE.start_main_~x~4 162), 44852#(<= ULTIMATE.start_main_~x~4 164), 44853#(<= ULTIMATE.start_main_~x~4 166), 44854#(<= ULTIMATE.start_main_~x~4 168), 44855#(<= ULTIMATE.start_main_~x~4 170), 44856#(<= ULTIMATE.start_main_~x~4 172), 44857#(<= ULTIMATE.start_main_~x~4 174), 44858#(<= ULTIMATE.start_main_~x~4 176), 44859#(<= ULTIMATE.start_main_~x~4 178), 44860#(<= ULTIMATE.start_main_~x~4 180), 44861#(<= ULTIMATE.start_main_~x~4 182), 44862#(<= ULTIMATE.start_main_~x~4 184), 44863#(<= ULTIMATE.start_main_~x~4 186), 44864#(<= ULTIMATE.start_main_~x~4 188), 44865#(<= ULTIMATE.start_main_~x~4 190), 44866#(<= ULTIMATE.start_main_~x~4 192), 44867#(<= ULTIMATE.start_main_~x~4 194), 44868#(<= ULTIMATE.start_main_~x~4 196), 44869#(<= ULTIMATE.start_main_~x~4 198), 44870#(<= ULTIMATE.start_main_~x~4 200), 44871#(<= ULTIMATE.start_main_~x~4 202), 44872#(<= ULTIMATE.start_main_~x~4 204), 44873#(<= ULTIMATE.start_main_~x~4 206), 44874#(<= ULTIMATE.start_main_~x~4 208), 44875#(<= ULTIMATE.start_main_~x~4 210), 44876#(<= ULTIMATE.start_main_~x~4 212), 44877#(<= ULTIMATE.start_main_~x~4 214), 44878#(<= ULTIMATE.start_main_~x~4 216), 44879#(<= ULTIMATE.start_main_~x~4 218), 44880#(<= ULTIMATE.start_main_~x~4 220), 44881#(<= ULTIMATE.start_main_~x~4 222), 44882#(<= ULTIMATE.start_main_~x~4 224), 44883#(<= ULTIMATE.start_main_~x~4 226), 44884#(<= ULTIMATE.start_main_~x~4 228), 44885#(<= ULTIMATE.start_main_~x~4 230), 44886#(<= ULTIMATE.start_main_~x~4 232), 44887#(<= ULTIMATE.start_main_~x~4 234), 44888#(<= ULTIMATE.start_main_~x~4 236), 44889#(<= ULTIMATE.start_main_~x~4 238), 44890#(<= ULTIMATE.start_main_~x~4 240), 44891#(<= ULTIMATE.start_main_~x~4 242), 44892#(<= ULTIMATE.start_main_~x~4 244), 44893#(<= ULTIMATE.start_main_~x~4 246), 44894#(<= ULTIMATE.start_main_~x~4 248), 44895#(<= ULTIMATE.start_main_~x~4 250), 44896#(<= ULTIMATE.start_main_~x~4 252), 44897#(<= ULTIMATE.start_main_~x~4 254), 44898#(<= ULTIMATE.start_main_~x~4 256), 44899#(<= ULTIMATE.start_main_~x~4 258), 44900#(<= ULTIMATE.start_main_~x~4 260), 44901#(<= ULTIMATE.start_main_~x~4 262), 44902#(<= ULTIMATE.start_main_~x~4 264), 44903#(<= ULTIMATE.start_main_~x~4 266), 44904#(<= ULTIMATE.start_main_~x~4 268), 44773#true, 44774#false, 44775#(<= ULTIMATE.start_main_~x~4 10), 44776#(<= ULTIMATE.start_main_~x~4 12), 44777#(<= ULTIMATE.start_main_~x~4 14), 44778#(<= ULTIMATE.start_main_~x~4 16), 44779#(<= ULTIMATE.start_main_~x~4 18), 44780#(<= ULTIMATE.start_main_~x~4 20), 44781#(<= ULTIMATE.start_main_~x~4 22), 44782#(<= ULTIMATE.start_main_~x~4 24), 44783#(<= ULTIMATE.start_main_~x~4 26), 44784#(<= ULTIMATE.start_main_~x~4 28), 44785#(<= ULTIMATE.start_main_~x~4 30), 44786#(<= ULTIMATE.start_main_~x~4 32), 44787#(<= ULTIMATE.start_main_~x~4 34), 44788#(<= ULTIMATE.start_main_~x~4 36), 44789#(<= ULTIMATE.start_main_~x~4 38), 44790#(<= ULTIMATE.start_main_~x~4 40), 44791#(<= ULTIMATE.start_main_~x~4 42), 44792#(<= ULTIMATE.start_main_~x~4 44), 44793#(<= ULTIMATE.start_main_~x~4 46), 44794#(<= ULTIMATE.start_main_~x~4 48), 44795#(<= ULTIMATE.start_main_~x~4 50), 44796#(<= ULTIMATE.start_main_~x~4 52), 44797#(<= ULTIMATE.start_main_~x~4 54), 44798#(<= ULTIMATE.start_main_~x~4 56), 44799#(<= ULTIMATE.start_main_~x~4 58)] [2018-07-23 13:42:08,901 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 13:42:08,901 INFO L450 AbstractCegarLoop]: Interpolant automaton has 132 states [2018-07-23 13:42:08,903 INFO L132 InterpolantAutomaton]: Constructing interpolant automaton starting with 132 interpolants. [2018-07-23 13:42:08,903 INFO L133 InterpolantAutomaton]: CoverageRelationStatistics Valid=8646, Invalid=8646, Unknown=0, NotChecked=0, Total=17292 [2018-07-23 13:42:08,904 INFO L87 Difference]: Start difference. First operand 133 states and 133 transitions. Second operand 132 states. [2018-07-23 13:42:09,064 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2018-07-23 13:42:09,065 INFO L93 Difference]: Finished difference Result 136 states and 136 transitions. [2018-07-23 13:42:09,065 INFO L142 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 132 states. [2018-07-23 13:42:09,065 INFO L78 Accepts]: Start accepts. Automaton has 132 states. Word has length 132 [2018-07-23 13:42:09,065 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2018-07-23 13:42:09,065 INFO L225 Difference]: With dead ends: 136 [2018-07-23 13:42:09,065 INFO L226 Difference]: Without dead ends: 134 [2018-07-23 13:42:09,067 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 13:42:09,067 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 134 states. [2018-07-23 13:42:09,068 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 134 to 134. [2018-07-23 13:42:09,069 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 134 states. [2018-07-23 13:42:09,069 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 134 states to 134 states and 134 transitions. [2018-07-23 13:42:09,069 INFO L78 Accepts]: Start accepts. Automaton has 134 states and 134 transitions. Word has length 132 [2018-07-23 13:42:09,069 INFO L84 Accepts]: Finished accepts. word is rejected. [2018-07-23 13:42:09,069 INFO L471 AbstractCegarLoop]: Abstraction has 134 states and 134 transitions. [2018-07-23 13:42:09,069 INFO L472 AbstractCegarLoop]: Interpolant automaton has 132 states. [2018-07-23 13:42:09,069 INFO L276 IsEmpty]: Start isEmpty. Operand 134 states and 134 transitions. [2018-07-23 13:42:09,070 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 134 [2018-07-23 13:42:09,070 INFO L349 BasicCegarLoop]: Found error trace [2018-07-23 13:42:09,070 INFO L357 BasicCegarLoop]: trace histogram [130, 1, 1, 1] [2018-07-23 13:42:09,070 INFO L414 AbstractCegarLoop]: === Iteration 131 === [ULTIMATE.startErr0AssertViolationASSERT]=== [2018-07-23 13:42:09,070 INFO L82 PathProgramCache]: Analyzing trace with hash -1494259167, now seen corresponding path program 130 times [2018-07-23 13:42:09,070 INFO L69 tionRefinementEngine]: Using refinement strategy FixedRefinementStrategy [2018-07-23 13:42:09,082 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-07-23 13:42:09,442 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 13:42:09,442 INFO L309 seRefinementStrategy]: Constructing automaton from 0 perfect and 1 imperfect interpolant sequences. [2018-07-23 13:42:09,442 INFO L324 seRefinementStrategy]: Number of different interpolants: perfect sequences [] imperfect sequences [132] total 132 [2018-07-23 13:42:09,442 INFO L142 lantAutomatonBuilder]: Constructing canonical interpolant automaton, with selfloop in false state [2018-07-23 13:42:09,442 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2018-07-23 13:42:09,443 INFO L185 omatonBuilderFactory]: Interpolants [45568#(<= ULTIMATE.start_main_~x~4 252), 45569#(<= ULTIMATE.start_main_~x~4 254), 45570#(<= ULTIMATE.start_main_~x~4 256), 45571#(<= ULTIMATE.start_main_~x~4 258), 45572#(<= ULTIMATE.start_main_~x~4 260), 45573#(<= ULTIMATE.start_main_~x~4 262), 45574#(<= ULTIMATE.start_main_~x~4 264), 45575#(<= ULTIMATE.start_main_~x~4 266), 45576#(<= ULTIMATE.start_main_~x~4 268), 45577#(<= ULTIMATE.start_main_~x~4 270), 45445#true, 45446#false, 45447#(<= ULTIMATE.start_main_~x~4 10), 45448#(<= ULTIMATE.start_main_~x~4 12), 45449#(<= ULTIMATE.start_main_~x~4 14), 45450#(<= ULTIMATE.start_main_~x~4 16), 45451#(<= ULTIMATE.start_main_~x~4 18), 45452#(<= ULTIMATE.start_main_~x~4 20), 45453#(<= ULTIMATE.start_main_~x~4 22), 45454#(<= ULTIMATE.start_main_~x~4 24), 45455#(<= ULTIMATE.start_main_~x~4 26), 45456#(<= ULTIMATE.start_main_~x~4 28), 45457#(<= ULTIMATE.start_main_~x~4 30), 45458#(<= ULTIMATE.start_main_~x~4 32), 45459#(<= ULTIMATE.start_main_~x~4 34), 45460#(<= ULTIMATE.start_main_~x~4 36), 45461#(<= ULTIMATE.start_main_~x~4 38), 45462#(<= ULTIMATE.start_main_~x~4 40), 45463#(<= ULTIMATE.start_main_~x~4 42), 45464#(<= ULTIMATE.start_main_~x~4 44), 45465#(<= ULTIMATE.start_main_~x~4 46), 45466#(<= ULTIMATE.start_main_~x~4 48), 45467#(<= ULTIMATE.start_main_~x~4 50), 45468#(<= ULTIMATE.start_main_~x~4 52), 45469#(<= ULTIMATE.start_main_~x~4 54), 45470#(<= ULTIMATE.start_main_~x~4 56), 45471#(<= ULTIMATE.start_main_~x~4 58), 45472#(<= ULTIMATE.start_main_~x~4 60), 45473#(<= ULTIMATE.start_main_~x~4 62), 45474#(<= ULTIMATE.start_main_~x~4 64), 45475#(<= ULTIMATE.start_main_~x~4 66), 45476#(<= ULTIMATE.start_main_~x~4 68), 45477#(<= ULTIMATE.start_main_~x~4 70), 45478#(<= ULTIMATE.start_main_~x~4 72), 45479#(<= ULTIMATE.start_main_~x~4 74), 45480#(<= ULTIMATE.start_main_~x~4 76), 45481#(<= ULTIMATE.start_main_~x~4 78), 45482#(<= ULTIMATE.start_main_~x~4 80), 45483#(<= ULTIMATE.start_main_~x~4 82), 45484#(<= ULTIMATE.start_main_~x~4 84), 45485#(<= ULTIMATE.start_main_~x~4 86), 45486#(<= ULTIMATE.start_main_~x~4 88), 45487#(<= ULTIMATE.start_main_~x~4 90), 45488#(<= ULTIMATE.start_main_~x~4 92), 45489#(<= ULTIMATE.start_main_~x~4 94), 45490#(<= ULTIMATE.start_main_~x~4 96), 45491#(<= ULTIMATE.start_main_~x~4 98), 45492#(<= ULTIMATE.start_main_~x~4 100), 45493#(<= ULTIMATE.start_main_~x~4 102), 45494#(<= ULTIMATE.start_main_~x~4 104), 45495#(<= ULTIMATE.start_main_~x~4 106), 45496#(<= ULTIMATE.start_main_~x~4 108), 45497#(<= ULTIMATE.start_main_~x~4 110), 45498#(<= ULTIMATE.start_main_~x~4 112), 45499#(<= ULTIMATE.start_main_~x~4 114), 45500#(<= ULTIMATE.start_main_~x~4 116), 45501#(<= ULTIMATE.start_main_~x~4 118), 45502#(<= ULTIMATE.start_main_~x~4 120), 45503#(<= ULTIMATE.start_main_~x~4 122), 45504#(<= ULTIMATE.start_main_~x~4 124), 45505#(<= ULTIMATE.start_main_~x~4 126), 45506#(<= ULTIMATE.start_main_~x~4 128), 45507#(<= ULTIMATE.start_main_~x~4 130), 45508#(<= ULTIMATE.start_main_~x~4 132), 45509#(<= ULTIMATE.start_main_~x~4 134), 45510#(<= ULTIMATE.start_main_~x~4 136), 45511#(<= ULTIMATE.start_main_~x~4 138), 45512#(<= ULTIMATE.start_main_~x~4 140), 45513#(<= ULTIMATE.start_main_~x~4 142), 45514#(<= ULTIMATE.start_main_~x~4 144), 45515#(<= ULTIMATE.start_main_~x~4 146), 45516#(<= ULTIMATE.start_main_~x~4 148), 45517#(<= ULTIMATE.start_main_~x~4 150), 45518#(<= ULTIMATE.start_main_~x~4 152), 45519#(<= ULTIMATE.start_main_~x~4 154), 45520#(<= ULTIMATE.start_main_~x~4 156), 45521#(<= ULTIMATE.start_main_~x~4 158), 45522#(<= ULTIMATE.start_main_~x~4 160), 45523#(<= ULTIMATE.start_main_~x~4 162), 45524#(<= ULTIMATE.start_main_~x~4 164), 45525#(<= ULTIMATE.start_main_~x~4 166), 45526#(<= ULTIMATE.start_main_~x~4 168), 45527#(<= ULTIMATE.start_main_~x~4 170), 45528#(<= ULTIMATE.start_main_~x~4 172), 45529#(<= ULTIMATE.start_main_~x~4 174), 45530#(<= ULTIMATE.start_main_~x~4 176), 45531#(<= ULTIMATE.start_main_~x~4 178), 45532#(<= ULTIMATE.start_main_~x~4 180), 45533#(<= ULTIMATE.start_main_~x~4 182), 45534#(<= ULTIMATE.start_main_~x~4 184), 45535#(<= ULTIMATE.start_main_~x~4 186), 45536#(<= ULTIMATE.start_main_~x~4 188), 45537#(<= ULTIMATE.start_main_~x~4 190), 45538#(<= ULTIMATE.start_main_~x~4 192), 45539#(<= ULTIMATE.start_main_~x~4 194), 45540#(<= ULTIMATE.start_main_~x~4 196), 45541#(<= ULTIMATE.start_main_~x~4 198), 45542#(<= ULTIMATE.start_main_~x~4 200), 45543#(<= ULTIMATE.start_main_~x~4 202), 45544#(<= ULTIMATE.start_main_~x~4 204), 45545#(<= ULTIMATE.start_main_~x~4 206), 45546#(<= ULTIMATE.start_main_~x~4 208), 45547#(<= ULTIMATE.start_main_~x~4 210), 45548#(<= ULTIMATE.start_main_~x~4 212), 45549#(<= ULTIMATE.start_main_~x~4 214), 45550#(<= ULTIMATE.start_main_~x~4 216), 45551#(<= ULTIMATE.start_main_~x~4 218), 45552#(<= ULTIMATE.start_main_~x~4 220), 45553#(<= ULTIMATE.start_main_~x~4 222), 45554#(<= ULTIMATE.start_main_~x~4 224), 45555#(<= ULTIMATE.start_main_~x~4 226), 45556#(<= ULTIMATE.start_main_~x~4 228), 45557#(<= ULTIMATE.start_main_~x~4 230), 45558#(<= ULTIMATE.start_main_~x~4 232), 45559#(<= ULTIMATE.start_main_~x~4 234), 45560#(<= ULTIMATE.start_main_~x~4 236), 45561#(<= ULTIMATE.start_main_~x~4 238), 45562#(<= ULTIMATE.start_main_~x~4 240), 45563#(<= ULTIMATE.start_main_~x~4 242), 45564#(<= ULTIMATE.start_main_~x~4 244), 45565#(<= ULTIMATE.start_main_~x~4 246), 45566#(<= ULTIMATE.start_main_~x~4 248), 45567#(<= ULTIMATE.start_main_~x~4 250)] [2018-07-23 13:42:09,443 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 13:42:09,443 INFO L450 AbstractCegarLoop]: Interpolant automaton has 133 states [2018-07-23 13:42:09,444 INFO L132 InterpolantAutomaton]: Constructing interpolant automaton starting with 133 interpolants. [2018-07-23 13:42:09,445 INFO L133 InterpolantAutomaton]: CoverageRelationStatistics Valid=8778, Invalid=8778, Unknown=0, NotChecked=0, Total=17556 [2018-07-23 13:42:09,445 INFO L87 Difference]: Start difference. First operand 134 states and 134 transitions. Second operand 133 states. [2018-07-23 13:42:09,616 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2018-07-23 13:42:09,616 INFO L93 Difference]: Finished difference Result 137 states and 137 transitions. [2018-07-23 13:42:09,616 INFO L142 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 133 states. [2018-07-23 13:42:09,617 INFO L78 Accepts]: Start accepts. Automaton has 133 states. Word has length 133 [2018-07-23 13:42:09,617 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2018-07-23 13:42:09,617 INFO L225 Difference]: With dead ends: 137 [2018-07-23 13:42:09,617 INFO L226 Difference]: Without dead ends: 135 [2018-07-23 13:42:09,619 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 13:42:09,620 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 135 states. [2018-07-23 13:42:09,622 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 135 to 135. [2018-07-23 13:42:09,622 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 135 states. [2018-07-23 13:42:09,622 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 135 states to 135 states and 135 transitions. [2018-07-23 13:42:09,623 INFO L78 Accepts]: Start accepts. Automaton has 135 states and 135 transitions. Word has length 133 [2018-07-23 13:42:09,623 INFO L84 Accepts]: Finished accepts. word is rejected. [2018-07-23 13:42:09,623 INFO L471 AbstractCegarLoop]: Abstraction has 135 states and 135 transitions. [2018-07-23 13:42:09,623 INFO L472 AbstractCegarLoop]: Interpolant automaton has 133 states. [2018-07-23 13:42:09,623 INFO L276 IsEmpty]: Start isEmpty. Operand 135 states and 135 transitions. [2018-07-23 13:42:09,624 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 135 [2018-07-23 13:42:09,624 INFO L349 BasicCegarLoop]: Found error trace [2018-07-23 13:42:09,624 INFO L357 BasicCegarLoop]: trace histogram [131, 1, 1, 1] [2018-07-23 13:42:09,624 INFO L414 AbstractCegarLoop]: === Iteration 132 === [ULTIMATE.startErr0AssertViolationASSERT]=== [2018-07-23 13:42:09,624 INFO L82 PathProgramCache]: Analyzing trace with hash 922604104, now seen corresponding path program 131 times [2018-07-23 13:42:09,624 INFO L69 tionRefinementEngine]: Using refinement strategy FixedRefinementStrategy [2018-07-23 13:42:09,642 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-07-23 13:42:10,148 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 13:42:10,149 INFO L309 seRefinementStrategy]: Constructing automaton from 0 perfect and 1 imperfect interpolant sequences. [2018-07-23 13:42:10,149 INFO L324 seRefinementStrategy]: Number of different interpolants: perfect sequences [] imperfect sequences [133] total 133 [2018-07-23 13:42:10,149 INFO L142 lantAutomatonBuilder]: Constructing canonical interpolant automaton, with selfloop in false state [2018-07-23 13:42:10,149 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2018-07-23 13:42:10,150 INFO L185 omatonBuilderFactory]: Interpolants [46122#true, 46123#false, 46124#(<= ULTIMATE.start_main_~x~4 10), 46125#(<= ULTIMATE.start_main_~x~4 12), 46126#(<= ULTIMATE.start_main_~x~4 14), 46127#(<= ULTIMATE.start_main_~x~4 16), 46128#(<= ULTIMATE.start_main_~x~4 18), 46129#(<= ULTIMATE.start_main_~x~4 20), 46130#(<= ULTIMATE.start_main_~x~4 22), 46131#(<= ULTIMATE.start_main_~x~4 24), 46132#(<= ULTIMATE.start_main_~x~4 26), 46133#(<= ULTIMATE.start_main_~x~4 28), 46134#(<= ULTIMATE.start_main_~x~4 30), 46135#(<= ULTIMATE.start_main_~x~4 32), 46136#(<= ULTIMATE.start_main_~x~4 34), 46137#(<= ULTIMATE.start_main_~x~4 36), 46138#(<= ULTIMATE.start_main_~x~4 38), 46139#(<= ULTIMATE.start_main_~x~4 40), 46140#(<= ULTIMATE.start_main_~x~4 42), 46141#(<= ULTIMATE.start_main_~x~4 44), 46142#(<= ULTIMATE.start_main_~x~4 46), 46143#(<= ULTIMATE.start_main_~x~4 48), 46144#(<= ULTIMATE.start_main_~x~4 50), 46145#(<= ULTIMATE.start_main_~x~4 52), 46146#(<= ULTIMATE.start_main_~x~4 54), 46147#(<= ULTIMATE.start_main_~x~4 56), 46148#(<= ULTIMATE.start_main_~x~4 58), 46149#(<= ULTIMATE.start_main_~x~4 60), 46150#(<= ULTIMATE.start_main_~x~4 62), 46151#(<= ULTIMATE.start_main_~x~4 64), 46152#(<= ULTIMATE.start_main_~x~4 66), 46153#(<= ULTIMATE.start_main_~x~4 68), 46154#(<= ULTIMATE.start_main_~x~4 70), 46155#(<= ULTIMATE.start_main_~x~4 72), 46156#(<= ULTIMATE.start_main_~x~4 74), 46157#(<= ULTIMATE.start_main_~x~4 76), 46158#(<= ULTIMATE.start_main_~x~4 78), 46159#(<= ULTIMATE.start_main_~x~4 80), 46160#(<= ULTIMATE.start_main_~x~4 82), 46161#(<= ULTIMATE.start_main_~x~4 84), 46162#(<= ULTIMATE.start_main_~x~4 86), 46163#(<= ULTIMATE.start_main_~x~4 88), 46164#(<= ULTIMATE.start_main_~x~4 90), 46165#(<= ULTIMATE.start_main_~x~4 92), 46166#(<= ULTIMATE.start_main_~x~4 94), 46167#(<= ULTIMATE.start_main_~x~4 96), 46168#(<= ULTIMATE.start_main_~x~4 98), 46169#(<= ULTIMATE.start_main_~x~4 100), 46170#(<= ULTIMATE.start_main_~x~4 102), 46171#(<= ULTIMATE.start_main_~x~4 104), 46172#(<= ULTIMATE.start_main_~x~4 106), 46173#(<= ULTIMATE.start_main_~x~4 108), 46174#(<= ULTIMATE.start_main_~x~4 110), 46175#(<= ULTIMATE.start_main_~x~4 112), 46176#(<= ULTIMATE.start_main_~x~4 114), 46177#(<= ULTIMATE.start_main_~x~4 116), 46178#(<= ULTIMATE.start_main_~x~4 118), 46179#(<= ULTIMATE.start_main_~x~4 120), 46180#(<= ULTIMATE.start_main_~x~4 122), 46181#(<= ULTIMATE.start_main_~x~4 124), 46182#(<= ULTIMATE.start_main_~x~4 126), 46183#(<= ULTIMATE.start_main_~x~4 128), 46184#(<= ULTIMATE.start_main_~x~4 130), 46185#(<= ULTIMATE.start_main_~x~4 132), 46186#(<= ULTIMATE.start_main_~x~4 134), 46187#(<= ULTIMATE.start_main_~x~4 136), 46188#(<= ULTIMATE.start_main_~x~4 138), 46189#(<= ULTIMATE.start_main_~x~4 140), 46190#(<= ULTIMATE.start_main_~x~4 142), 46191#(<= ULTIMATE.start_main_~x~4 144), 46192#(<= ULTIMATE.start_main_~x~4 146), 46193#(<= ULTIMATE.start_main_~x~4 148), 46194#(<= ULTIMATE.start_main_~x~4 150), 46195#(<= ULTIMATE.start_main_~x~4 152), 46196#(<= ULTIMATE.start_main_~x~4 154), 46197#(<= ULTIMATE.start_main_~x~4 156), 46198#(<= ULTIMATE.start_main_~x~4 158), 46199#(<= ULTIMATE.start_main_~x~4 160), 46200#(<= ULTIMATE.start_main_~x~4 162), 46201#(<= ULTIMATE.start_main_~x~4 164), 46202#(<= ULTIMATE.start_main_~x~4 166), 46203#(<= ULTIMATE.start_main_~x~4 168), 46204#(<= ULTIMATE.start_main_~x~4 170), 46205#(<= ULTIMATE.start_main_~x~4 172), 46206#(<= ULTIMATE.start_main_~x~4 174), 46207#(<= ULTIMATE.start_main_~x~4 176), 46208#(<= ULTIMATE.start_main_~x~4 178), 46209#(<= ULTIMATE.start_main_~x~4 180), 46210#(<= ULTIMATE.start_main_~x~4 182), 46211#(<= ULTIMATE.start_main_~x~4 184), 46212#(<= ULTIMATE.start_main_~x~4 186), 46213#(<= ULTIMATE.start_main_~x~4 188), 46214#(<= ULTIMATE.start_main_~x~4 190), 46215#(<= ULTIMATE.start_main_~x~4 192), 46216#(<= ULTIMATE.start_main_~x~4 194), 46217#(<= ULTIMATE.start_main_~x~4 196), 46218#(<= ULTIMATE.start_main_~x~4 198), 46219#(<= ULTIMATE.start_main_~x~4 200), 46220#(<= ULTIMATE.start_main_~x~4 202), 46221#(<= ULTIMATE.start_main_~x~4 204), 46222#(<= ULTIMATE.start_main_~x~4 206), 46223#(<= ULTIMATE.start_main_~x~4 208), 46224#(<= ULTIMATE.start_main_~x~4 210), 46225#(<= ULTIMATE.start_main_~x~4 212), 46226#(<= ULTIMATE.start_main_~x~4 214), 46227#(<= ULTIMATE.start_main_~x~4 216), 46228#(<= ULTIMATE.start_main_~x~4 218), 46229#(<= ULTIMATE.start_main_~x~4 220), 46230#(<= ULTIMATE.start_main_~x~4 222), 46231#(<= ULTIMATE.start_main_~x~4 224), 46232#(<= ULTIMATE.start_main_~x~4 226), 46233#(<= ULTIMATE.start_main_~x~4 228), 46234#(<= ULTIMATE.start_main_~x~4 230), 46235#(<= ULTIMATE.start_main_~x~4 232), 46236#(<= ULTIMATE.start_main_~x~4 234), 46237#(<= ULTIMATE.start_main_~x~4 236), 46238#(<= ULTIMATE.start_main_~x~4 238), 46239#(<= ULTIMATE.start_main_~x~4 240), 46240#(<= ULTIMATE.start_main_~x~4 242), 46241#(<= ULTIMATE.start_main_~x~4 244), 46242#(<= ULTIMATE.start_main_~x~4 246), 46243#(<= ULTIMATE.start_main_~x~4 248), 46244#(<= ULTIMATE.start_main_~x~4 250), 46245#(<= ULTIMATE.start_main_~x~4 252), 46246#(<= ULTIMATE.start_main_~x~4 254), 46247#(<= ULTIMATE.start_main_~x~4 256), 46248#(<= ULTIMATE.start_main_~x~4 258), 46249#(<= ULTIMATE.start_main_~x~4 260), 46250#(<= ULTIMATE.start_main_~x~4 262), 46251#(<= ULTIMATE.start_main_~x~4 264), 46252#(<= ULTIMATE.start_main_~x~4 266), 46253#(<= ULTIMATE.start_main_~x~4 268), 46254#(<= ULTIMATE.start_main_~x~4 270), 46255#(<= ULTIMATE.start_main_~x~4 272)] [2018-07-23 13:42:10,151 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 13:42:10,151 INFO L450 AbstractCegarLoop]: Interpolant automaton has 134 states [2018-07-23 13:42:10,153 INFO L132 InterpolantAutomaton]: Constructing interpolant automaton starting with 134 interpolants. [2018-07-23 13:42:10,155 INFO L133 InterpolantAutomaton]: CoverageRelationStatistics Valid=8911, Invalid=8911, Unknown=0, NotChecked=0, Total=17822 [2018-07-23 13:42:10,155 INFO L87 Difference]: Start difference. First operand 135 states and 135 transitions. Second operand 134 states. [2018-07-23 13:42:10,390 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2018-07-23 13:42:10,390 INFO L93 Difference]: Finished difference Result 138 states and 138 transitions. [2018-07-23 13:42:10,391 INFO L142 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 134 states. [2018-07-23 13:42:10,391 INFO L78 Accepts]: Start accepts. Automaton has 134 states. Word has length 134 [2018-07-23 13:42:10,391 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2018-07-23 13:42:10,391 INFO L225 Difference]: With dead ends: 138 [2018-07-23 13:42:10,391 INFO L226 Difference]: Without dead ends: 136 [2018-07-23 13:42:10,392 INFO L575 BasicCegarLoop]: 0 DeclaredPredicates, 133 GetRequests, 1 SyntacticMatches, 0 SemanticMatches, 132 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 0 ImplicationChecksByTransitivity, 0.4s TimeCoverageRelationStatistics Valid=8911, Invalid=8911, Unknown=0, NotChecked=0, Total=17822 [2018-07-23 13:42:10,392 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 136 states. [2018-07-23 13:42:10,394 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 136 to 136. [2018-07-23 13:42:10,394 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 136 states. [2018-07-23 13:42:10,394 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 136 states to 136 states and 136 transitions. [2018-07-23 13:42:10,395 INFO L78 Accepts]: Start accepts. Automaton has 136 states and 136 transitions. Word has length 134 [2018-07-23 13:42:10,395 INFO L84 Accepts]: Finished accepts. word is rejected. [2018-07-23 13:42:10,395 INFO L471 AbstractCegarLoop]: Abstraction has 136 states and 136 transitions. [2018-07-23 13:42:10,395 INFO L472 AbstractCegarLoop]: Interpolant automaton has 134 states. [2018-07-23 13:42:10,395 INFO L276 IsEmpty]: Start isEmpty. Operand 136 states and 136 transitions. [2018-07-23 13:42:10,395 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 136 [2018-07-23 13:42:10,396 INFO L349 BasicCegarLoop]: Found error trace [2018-07-23 13:42:10,396 INFO L357 BasicCegarLoop]: trace histogram [132, 1, 1, 1] [2018-07-23 13:42:10,396 INFO L414 AbstractCegarLoop]: === Iteration 133 === [ULTIMATE.startErr0AssertViolationASSERT]=== [2018-07-23 13:42:10,396 INFO L82 PathProgramCache]: Analyzing trace with hash -1464045823, now seen corresponding path program 132 times [2018-07-23 13:42:10,396 INFO L69 tionRefinementEngine]: Using refinement strategy FixedRefinementStrategy [2018-07-23 13:42:10,409 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-07-23 13:42:10,761 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 13:42:10,762 INFO L309 seRefinementStrategy]: Constructing automaton from 0 perfect and 1 imperfect interpolant sequences. [2018-07-23 13:42:10,762 INFO L324 seRefinementStrategy]: Number of different interpolants: perfect sequences [] imperfect sequences [134] total 134 [2018-07-23 13:42:10,762 INFO L142 lantAutomatonBuilder]: Constructing canonical interpolant automaton, with selfloop in false state [2018-07-23 13:42:10,762 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 13:42:10,762 INFO L185 omatonBuilderFactory]: Interpolants [46848#(<= ULTIMATE.start_main_~x~4 94), 46849#(<= ULTIMATE.start_main_~x~4 96), 46850#(<= ULTIMATE.start_main_~x~4 98), 46851#(<= ULTIMATE.start_main_~x~4 100), 46852#(<= ULTIMATE.start_main_~x~4 102), 46853#(<= ULTIMATE.start_main_~x~4 104), 46854#(<= ULTIMATE.start_main_~x~4 106), 46855#(<= ULTIMATE.start_main_~x~4 108), 46856#(<= ULTIMATE.start_main_~x~4 110), 46857#(<= ULTIMATE.start_main_~x~4 112), 46858#(<= ULTIMATE.start_main_~x~4 114), 46859#(<= ULTIMATE.start_main_~x~4 116), 46860#(<= ULTIMATE.start_main_~x~4 118), 46861#(<= ULTIMATE.start_main_~x~4 120), 46862#(<= ULTIMATE.start_main_~x~4 122), 46863#(<= ULTIMATE.start_main_~x~4 124), 46864#(<= ULTIMATE.start_main_~x~4 126), 46865#(<= ULTIMATE.start_main_~x~4 128), 46866#(<= ULTIMATE.start_main_~x~4 130), 46867#(<= ULTIMATE.start_main_~x~4 132), 46868#(<= ULTIMATE.start_main_~x~4 134), 46869#(<= ULTIMATE.start_main_~x~4 136), 46870#(<= ULTIMATE.start_main_~x~4 138), 46871#(<= ULTIMATE.start_main_~x~4 140), 46872#(<= ULTIMATE.start_main_~x~4 142), 46873#(<= ULTIMATE.start_main_~x~4 144), 46874#(<= ULTIMATE.start_main_~x~4 146), 46875#(<= ULTIMATE.start_main_~x~4 148), 46876#(<= ULTIMATE.start_main_~x~4 150), 46877#(<= ULTIMATE.start_main_~x~4 152), 46878#(<= ULTIMATE.start_main_~x~4 154), 46879#(<= ULTIMATE.start_main_~x~4 156), 46880#(<= ULTIMATE.start_main_~x~4 158), 46881#(<= ULTIMATE.start_main_~x~4 160), 46882#(<= ULTIMATE.start_main_~x~4 162), 46883#(<= ULTIMATE.start_main_~x~4 164), 46884#(<= ULTIMATE.start_main_~x~4 166), 46885#(<= ULTIMATE.start_main_~x~4 168), 46886#(<= ULTIMATE.start_main_~x~4 170), 46887#(<= ULTIMATE.start_main_~x~4 172), 46888#(<= ULTIMATE.start_main_~x~4 174), 46889#(<= ULTIMATE.start_main_~x~4 176), 46890#(<= ULTIMATE.start_main_~x~4 178), 46891#(<= ULTIMATE.start_main_~x~4 180), 46892#(<= ULTIMATE.start_main_~x~4 182), 46893#(<= ULTIMATE.start_main_~x~4 184), 46894#(<= ULTIMATE.start_main_~x~4 186), 46895#(<= ULTIMATE.start_main_~x~4 188), 46896#(<= ULTIMATE.start_main_~x~4 190), 46897#(<= ULTIMATE.start_main_~x~4 192), 46898#(<= ULTIMATE.start_main_~x~4 194), 46899#(<= ULTIMATE.start_main_~x~4 196), 46900#(<= ULTIMATE.start_main_~x~4 198), 46901#(<= ULTIMATE.start_main_~x~4 200), 46902#(<= ULTIMATE.start_main_~x~4 202), 46903#(<= ULTIMATE.start_main_~x~4 204), 46904#(<= ULTIMATE.start_main_~x~4 206), 46905#(<= ULTIMATE.start_main_~x~4 208), 46906#(<= ULTIMATE.start_main_~x~4 210), 46907#(<= ULTIMATE.start_main_~x~4 212), 46908#(<= ULTIMATE.start_main_~x~4 214), 46909#(<= ULTIMATE.start_main_~x~4 216), 46910#(<= ULTIMATE.start_main_~x~4 218), 46911#(<= ULTIMATE.start_main_~x~4 220), 46912#(<= ULTIMATE.start_main_~x~4 222), 46913#(<= ULTIMATE.start_main_~x~4 224), 46914#(<= ULTIMATE.start_main_~x~4 226), 46915#(<= ULTIMATE.start_main_~x~4 228), 46916#(<= ULTIMATE.start_main_~x~4 230), 46917#(<= ULTIMATE.start_main_~x~4 232), 46918#(<= ULTIMATE.start_main_~x~4 234), 46919#(<= ULTIMATE.start_main_~x~4 236), 46920#(<= ULTIMATE.start_main_~x~4 238), 46921#(<= ULTIMATE.start_main_~x~4 240), 46922#(<= ULTIMATE.start_main_~x~4 242), 46923#(<= ULTIMATE.start_main_~x~4 244), 46924#(<= ULTIMATE.start_main_~x~4 246), 46925#(<= ULTIMATE.start_main_~x~4 248), 46926#(<= ULTIMATE.start_main_~x~4 250), 46927#(<= ULTIMATE.start_main_~x~4 252), 46928#(<= ULTIMATE.start_main_~x~4 254), 46929#(<= ULTIMATE.start_main_~x~4 256), 46930#(<= ULTIMATE.start_main_~x~4 258), 46931#(<= ULTIMATE.start_main_~x~4 260), 46932#(<= ULTIMATE.start_main_~x~4 262), 46933#(<= ULTIMATE.start_main_~x~4 264), 46934#(<= ULTIMATE.start_main_~x~4 266), 46935#(<= ULTIMATE.start_main_~x~4 268), 46936#(<= ULTIMATE.start_main_~x~4 270), 46937#(<= ULTIMATE.start_main_~x~4 272), 46938#(<= ULTIMATE.start_main_~x~4 274), 46804#true, 46805#false, 46806#(<= ULTIMATE.start_main_~x~4 10), 46807#(<= ULTIMATE.start_main_~x~4 12), 46808#(<= ULTIMATE.start_main_~x~4 14), 46809#(<= ULTIMATE.start_main_~x~4 16), 46810#(<= ULTIMATE.start_main_~x~4 18), 46811#(<= ULTIMATE.start_main_~x~4 20), 46812#(<= ULTIMATE.start_main_~x~4 22), 46813#(<= ULTIMATE.start_main_~x~4 24), 46814#(<= ULTIMATE.start_main_~x~4 26), 46815#(<= ULTIMATE.start_main_~x~4 28), 46816#(<= ULTIMATE.start_main_~x~4 30), 46817#(<= ULTIMATE.start_main_~x~4 32), 46818#(<= ULTIMATE.start_main_~x~4 34), 46819#(<= ULTIMATE.start_main_~x~4 36), 46820#(<= ULTIMATE.start_main_~x~4 38), 46821#(<= ULTIMATE.start_main_~x~4 40), 46822#(<= ULTIMATE.start_main_~x~4 42), 46823#(<= ULTIMATE.start_main_~x~4 44), 46824#(<= ULTIMATE.start_main_~x~4 46), 46825#(<= ULTIMATE.start_main_~x~4 48), 46826#(<= ULTIMATE.start_main_~x~4 50), 46827#(<= ULTIMATE.start_main_~x~4 52), 46828#(<= ULTIMATE.start_main_~x~4 54), 46829#(<= ULTIMATE.start_main_~x~4 56), 46830#(<= ULTIMATE.start_main_~x~4 58), 46831#(<= ULTIMATE.start_main_~x~4 60), 46832#(<= ULTIMATE.start_main_~x~4 62), 46833#(<= ULTIMATE.start_main_~x~4 64), 46834#(<= ULTIMATE.start_main_~x~4 66), 46835#(<= ULTIMATE.start_main_~x~4 68), 46836#(<= ULTIMATE.start_main_~x~4 70), 46837#(<= ULTIMATE.start_main_~x~4 72), 46838#(<= ULTIMATE.start_main_~x~4 74), 46839#(<= ULTIMATE.start_main_~x~4 76), 46840#(<= ULTIMATE.start_main_~x~4 78), 46841#(<= ULTIMATE.start_main_~x~4 80), 46842#(<= ULTIMATE.start_main_~x~4 82), 46843#(<= ULTIMATE.start_main_~x~4 84), 46844#(<= ULTIMATE.start_main_~x~4 86), 46845#(<= ULTIMATE.start_main_~x~4 88), 46846#(<= ULTIMATE.start_main_~x~4 90), 46847#(<= ULTIMATE.start_main_~x~4 92)] [2018-07-23 13:42:10,763 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 13:42:10,763 INFO L450 AbstractCegarLoop]: Interpolant automaton has 135 states [2018-07-23 13:42:10,764 INFO L132 InterpolantAutomaton]: Constructing interpolant automaton starting with 135 interpolants. [2018-07-23 13:42:10,765 INFO L133 InterpolantAutomaton]: CoverageRelationStatistics Valid=9045, Invalid=9045, Unknown=0, NotChecked=0, Total=18090 [2018-07-23 13:42:10,765 INFO L87 Difference]: Start difference. First operand 136 states and 136 transitions. Second operand 135 states. [2018-07-23 13:42:10,899 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2018-07-23 13:42:10,900 INFO L93 Difference]: Finished difference Result 139 states and 139 transitions. [2018-07-23 13:42:10,900 INFO L142 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 135 states. [2018-07-23 13:42:10,900 INFO L78 Accepts]: Start accepts. Automaton has 135 states. Word has length 135 [2018-07-23 13:42:10,900 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2018-07-23 13:42:10,900 INFO L225 Difference]: With dead ends: 139 [2018-07-23 13:42:10,901 INFO L226 Difference]: Without dead ends: 137 [2018-07-23 13:42:10,902 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 13:42:10,902 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 137 states. [2018-07-23 13:42:10,905 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 137 to 137. [2018-07-23 13:42:10,905 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 137 states. [2018-07-23 13:42:10,905 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 137 states to 137 states and 137 transitions. [2018-07-23 13:42:10,905 INFO L78 Accepts]: Start accepts. Automaton has 137 states and 137 transitions. Word has length 135 [2018-07-23 13:42:10,905 INFO L84 Accepts]: Finished accepts. word is rejected. [2018-07-23 13:42:10,906 INFO L471 AbstractCegarLoop]: Abstraction has 137 states and 137 transitions. [2018-07-23 13:42:10,906 INFO L472 AbstractCegarLoop]: Interpolant automaton has 135 states. [2018-07-23 13:42:10,906 INFO L276 IsEmpty]: Start isEmpty. Operand 137 states and 137 transitions. [2018-07-23 13:42:10,906 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 137 [2018-07-23 13:42:10,906 INFO L349 BasicCegarLoop]: Found error trace [2018-07-23 13:42:10,906 INFO L357 BasicCegarLoop]: trace histogram [133, 1, 1, 1] [2018-07-23 13:42:10,907 INFO L414 AbstractCegarLoop]: === Iteration 134 === [ULTIMATE.startErr0AssertViolationASSERT]=== [2018-07-23 13:42:10,907 INFO L82 PathProgramCache]: Analyzing trace with hash 1859217768, now seen corresponding path program 133 times [2018-07-23 13:42:10,907 INFO L69 tionRefinementEngine]: Using refinement strategy FixedRefinementStrategy [2018-07-23 13:42:10,919 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-07-23 13:42:11,317 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 13:42:11,317 INFO L309 seRefinementStrategy]: Constructing automaton from 0 perfect and 1 imperfect interpolant sequences. [2018-07-23 13:42:11,317 INFO L324 seRefinementStrategy]: Number of different interpolants: perfect sequences [] imperfect sequences [135] total 135 [2018-07-23 13:42:11,317 INFO L142 lantAutomatonBuilder]: Constructing canonical interpolant automaton, with selfloop in false state [2018-07-23 13:42:11,317 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2018-07-23 13:42:11,318 INFO L185 omatonBuilderFactory]: Interpolants [47616#(<= ULTIMATE.start_main_~x~4 256), 47617#(<= ULTIMATE.start_main_~x~4 258), 47618#(<= ULTIMATE.start_main_~x~4 260), 47619#(<= ULTIMATE.start_main_~x~4 262), 47620#(<= ULTIMATE.start_main_~x~4 264), 47621#(<= ULTIMATE.start_main_~x~4 266), 47622#(<= ULTIMATE.start_main_~x~4 268), 47623#(<= ULTIMATE.start_main_~x~4 270), 47624#(<= ULTIMATE.start_main_~x~4 272), 47625#(<= ULTIMATE.start_main_~x~4 274), 47626#(<= ULTIMATE.start_main_~x~4 276), 47491#true, 47492#false, 47493#(<= ULTIMATE.start_main_~x~4 10), 47494#(<= ULTIMATE.start_main_~x~4 12), 47495#(<= ULTIMATE.start_main_~x~4 14), 47496#(<= ULTIMATE.start_main_~x~4 16), 47497#(<= ULTIMATE.start_main_~x~4 18), 47498#(<= ULTIMATE.start_main_~x~4 20), 47499#(<= ULTIMATE.start_main_~x~4 22), 47500#(<= ULTIMATE.start_main_~x~4 24), 47501#(<= ULTIMATE.start_main_~x~4 26), 47502#(<= ULTIMATE.start_main_~x~4 28), 47503#(<= ULTIMATE.start_main_~x~4 30), 47504#(<= ULTIMATE.start_main_~x~4 32), 47505#(<= ULTIMATE.start_main_~x~4 34), 47506#(<= ULTIMATE.start_main_~x~4 36), 47507#(<= ULTIMATE.start_main_~x~4 38), 47508#(<= ULTIMATE.start_main_~x~4 40), 47509#(<= ULTIMATE.start_main_~x~4 42), 47510#(<= ULTIMATE.start_main_~x~4 44), 47511#(<= ULTIMATE.start_main_~x~4 46), 47512#(<= ULTIMATE.start_main_~x~4 48), 47513#(<= ULTIMATE.start_main_~x~4 50), 47514#(<= ULTIMATE.start_main_~x~4 52), 47515#(<= ULTIMATE.start_main_~x~4 54), 47516#(<= ULTIMATE.start_main_~x~4 56), 47517#(<= ULTIMATE.start_main_~x~4 58), 47518#(<= ULTIMATE.start_main_~x~4 60), 47519#(<= ULTIMATE.start_main_~x~4 62), 47520#(<= ULTIMATE.start_main_~x~4 64), 47521#(<= ULTIMATE.start_main_~x~4 66), 47522#(<= ULTIMATE.start_main_~x~4 68), 47523#(<= ULTIMATE.start_main_~x~4 70), 47524#(<= ULTIMATE.start_main_~x~4 72), 47525#(<= ULTIMATE.start_main_~x~4 74), 47526#(<= ULTIMATE.start_main_~x~4 76), 47527#(<= ULTIMATE.start_main_~x~4 78), 47528#(<= ULTIMATE.start_main_~x~4 80), 47529#(<= ULTIMATE.start_main_~x~4 82), 47530#(<= ULTIMATE.start_main_~x~4 84), 47531#(<= ULTIMATE.start_main_~x~4 86), 47532#(<= ULTIMATE.start_main_~x~4 88), 47533#(<= ULTIMATE.start_main_~x~4 90), 47534#(<= ULTIMATE.start_main_~x~4 92), 47535#(<= ULTIMATE.start_main_~x~4 94), 47536#(<= ULTIMATE.start_main_~x~4 96), 47537#(<= ULTIMATE.start_main_~x~4 98), 47538#(<= ULTIMATE.start_main_~x~4 100), 47539#(<= ULTIMATE.start_main_~x~4 102), 47540#(<= ULTIMATE.start_main_~x~4 104), 47541#(<= ULTIMATE.start_main_~x~4 106), 47542#(<= ULTIMATE.start_main_~x~4 108), 47543#(<= ULTIMATE.start_main_~x~4 110), 47544#(<= ULTIMATE.start_main_~x~4 112), 47545#(<= ULTIMATE.start_main_~x~4 114), 47546#(<= ULTIMATE.start_main_~x~4 116), 47547#(<= ULTIMATE.start_main_~x~4 118), 47548#(<= ULTIMATE.start_main_~x~4 120), 47549#(<= ULTIMATE.start_main_~x~4 122), 47550#(<= ULTIMATE.start_main_~x~4 124), 47551#(<= ULTIMATE.start_main_~x~4 126), 47552#(<= ULTIMATE.start_main_~x~4 128), 47553#(<= ULTIMATE.start_main_~x~4 130), 47554#(<= ULTIMATE.start_main_~x~4 132), 47555#(<= ULTIMATE.start_main_~x~4 134), 47556#(<= ULTIMATE.start_main_~x~4 136), 47557#(<= ULTIMATE.start_main_~x~4 138), 47558#(<= ULTIMATE.start_main_~x~4 140), 47559#(<= ULTIMATE.start_main_~x~4 142), 47560#(<= ULTIMATE.start_main_~x~4 144), 47561#(<= ULTIMATE.start_main_~x~4 146), 47562#(<= ULTIMATE.start_main_~x~4 148), 47563#(<= ULTIMATE.start_main_~x~4 150), 47564#(<= ULTIMATE.start_main_~x~4 152), 47565#(<= ULTIMATE.start_main_~x~4 154), 47566#(<= ULTIMATE.start_main_~x~4 156), 47567#(<= ULTIMATE.start_main_~x~4 158), 47568#(<= ULTIMATE.start_main_~x~4 160), 47569#(<= ULTIMATE.start_main_~x~4 162), 47570#(<= ULTIMATE.start_main_~x~4 164), 47571#(<= ULTIMATE.start_main_~x~4 166), 47572#(<= ULTIMATE.start_main_~x~4 168), 47573#(<= ULTIMATE.start_main_~x~4 170), 47574#(<= ULTIMATE.start_main_~x~4 172), 47575#(<= ULTIMATE.start_main_~x~4 174), 47576#(<= ULTIMATE.start_main_~x~4 176), 47577#(<= ULTIMATE.start_main_~x~4 178), 47578#(<= ULTIMATE.start_main_~x~4 180), 47579#(<= ULTIMATE.start_main_~x~4 182), 47580#(<= ULTIMATE.start_main_~x~4 184), 47581#(<= ULTIMATE.start_main_~x~4 186), 47582#(<= ULTIMATE.start_main_~x~4 188), 47583#(<= ULTIMATE.start_main_~x~4 190), 47584#(<= ULTIMATE.start_main_~x~4 192), 47585#(<= ULTIMATE.start_main_~x~4 194), 47586#(<= ULTIMATE.start_main_~x~4 196), 47587#(<= ULTIMATE.start_main_~x~4 198), 47588#(<= ULTIMATE.start_main_~x~4 200), 47589#(<= ULTIMATE.start_main_~x~4 202), 47590#(<= ULTIMATE.start_main_~x~4 204), 47591#(<= ULTIMATE.start_main_~x~4 206), 47592#(<= ULTIMATE.start_main_~x~4 208), 47593#(<= ULTIMATE.start_main_~x~4 210), 47594#(<= ULTIMATE.start_main_~x~4 212), 47595#(<= ULTIMATE.start_main_~x~4 214), 47596#(<= ULTIMATE.start_main_~x~4 216), 47597#(<= ULTIMATE.start_main_~x~4 218), 47598#(<= ULTIMATE.start_main_~x~4 220), 47599#(<= ULTIMATE.start_main_~x~4 222), 47600#(<= ULTIMATE.start_main_~x~4 224), 47601#(<= ULTIMATE.start_main_~x~4 226), 47602#(<= ULTIMATE.start_main_~x~4 228), 47603#(<= ULTIMATE.start_main_~x~4 230), 47604#(<= ULTIMATE.start_main_~x~4 232), 47605#(<= ULTIMATE.start_main_~x~4 234), 47606#(<= ULTIMATE.start_main_~x~4 236), 47607#(<= ULTIMATE.start_main_~x~4 238), 47608#(<= ULTIMATE.start_main_~x~4 240), 47609#(<= ULTIMATE.start_main_~x~4 242), 47610#(<= ULTIMATE.start_main_~x~4 244), 47611#(<= ULTIMATE.start_main_~x~4 246), 47612#(<= ULTIMATE.start_main_~x~4 248), 47613#(<= ULTIMATE.start_main_~x~4 250), 47614#(<= ULTIMATE.start_main_~x~4 252), 47615#(<= ULTIMATE.start_main_~x~4 254)] [2018-07-23 13:42:11,319 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 13:42:11,319 INFO L450 AbstractCegarLoop]: Interpolant automaton has 136 states [2018-07-23 13:42:11,321 INFO L132 InterpolantAutomaton]: Constructing interpolant automaton starting with 136 interpolants. [2018-07-23 13:42:11,322 INFO L133 InterpolantAutomaton]: CoverageRelationStatistics Valid=9180, Invalid=9180, Unknown=0, NotChecked=0, Total=18360 [2018-07-23 13:42:11,323 INFO L87 Difference]: Start difference. First operand 137 states and 137 transitions. Second operand 136 states. [2018-07-23 13:42:11,543 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2018-07-23 13:42:11,543 INFO L93 Difference]: Finished difference Result 140 states and 140 transitions. [2018-07-23 13:42:11,543 INFO L142 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 136 states. [2018-07-23 13:42:11,543 INFO L78 Accepts]: Start accepts. Automaton has 136 states. Word has length 136 [2018-07-23 13:42:11,544 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2018-07-23 13:42:11,544 INFO L225 Difference]: With dead ends: 140 [2018-07-23 13:42:11,544 INFO L226 Difference]: Without dead ends: 138 [2018-07-23 13:42:11,546 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 13:42:11,546 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 138 states. [2018-07-23 13:42:11,549 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 138 to 138. [2018-07-23 13:42:11,549 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 138 states. [2018-07-23 13:42:11,549 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 138 states to 138 states and 138 transitions. [2018-07-23 13:42:11,549 INFO L78 Accepts]: Start accepts. Automaton has 138 states and 138 transitions. Word has length 136 [2018-07-23 13:42:11,550 INFO L84 Accepts]: Finished accepts. word is rejected. [2018-07-23 13:42:11,550 INFO L471 AbstractCegarLoop]: Abstraction has 138 states and 138 transitions. [2018-07-23 13:42:11,550 INFO L472 AbstractCegarLoop]: Interpolant automaton has 136 states. [2018-07-23 13:42:11,550 INFO L276 IsEmpty]: Start isEmpty. Operand 138 states and 138 transitions. [2018-07-23 13:42:11,550 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 138 [2018-07-23 13:42:11,550 INFO L349 BasicCegarLoop]: Found error trace [2018-07-23 13:42:11,551 INFO L357 BasicCegarLoop]: trace histogram [134, 1, 1, 1] [2018-07-23 13:42:11,551 INFO L414 AbstractCegarLoop]: === Iteration 135 === [ULTIMATE.startErr0AssertViolationASSERT]=== [2018-07-23 13:42:11,551 INFO L82 PathProgramCache]: Analyzing trace with hash 1801173985, now seen corresponding path program 134 times [2018-07-23 13:42:11,551 INFO L69 tionRefinementEngine]: Using refinement strategy FixedRefinementStrategy [2018-07-23 13:42:11,567 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-07-23 13:42:11,962 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 13:42:11,962 INFO L309 seRefinementStrategy]: Constructing automaton from 0 perfect and 1 imperfect interpolant sequences. [2018-07-23 13:42:11,962 INFO L324 seRefinementStrategy]: Number of different interpolants: perfect sequences [] imperfect sequences [136] total 136 [2018-07-23 13:42:11,962 INFO L142 lantAutomatonBuilder]: Constructing canonical interpolant automaton, with selfloop in false state [2018-07-23 13:42:11,962 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2018-07-23 13:42:11,963 INFO L185 omatonBuilderFactory]: Interpolants [48183#true, 48184#false, 48185#(<= ULTIMATE.start_main_~x~4 10), 48186#(<= ULTIMATE.start_main_~x~4 12), 48187#(<= ULTIMATE.start_main_~x~4 14), 48188#(<= ULTIMATE.start_main_~x~4 16), 48189#(<= ULTIMATE.start_main_~x~4 18), 48190#(<= ULTIMATE.start_main_~x~4 20), 48191#(<= ULTIMATE.start_main_~x~4 22), 48192#(<= ULTIMATE.start_main_~x~4 24), 48193#(<= ULTIMATE.start_main_~x~4 26), 48194#(<= ULTIMATE.start_main_~x~4 28), 48195#(<= ULTIMATE.start_main_~x~4 30), 48196#(<= ULTIMATE.start_main_~x~4 32), 48197#(<= ULTIMATE.start_main_~x~4 34), 48198#(<= ULTIMATE.start_main_~x~4 36), 48199#(<= ULTIMATE.start_main_~x~4 38), 48200#(<= ULTIMATE.start_main_~x~4 40), 48201#(<= ULTIMATE.start_main_~x~4 42), 48202#(<= ULTIMATE.start_main_~x~4 44), 48203#(<= ULTIMATE.start_main_~x~4 46), 48204#(<= ULTIMATE.start_main_~x~4 48), 48205#(<= ULTIMATE.start_main_~x~4 50), 48206#(<= ULTIMATE.start_main_~x~4 52), 48207#(<= ULTIMATE.start_main_~x~4 54), 48208#(<= ULTIMATE.start_main_~x~4 56), 48209#(<= ULTIMATE.start_main_~x~4 58), 48210#(<= ULTIMATE.start_main_~x~4 60), 48211#(<= ULTIMATE.start_main_~x~4 62), 48212#(<= ULTIMATE.start_main_~x~4 64), 48213#(<= ULTIMATE.start_main_~x~4 66), 48214#(<= ULTIMATE.start_main_~x~4 68), 48215#(<= ULTIMATE.start_main_~x~4 70), 48216#(<= ULTIMATE.start_main_~x~4 72), 48217#(<= ULTIMATE.start_main_~x~4 74), 48218#(<= ULTIMATE.start_main_~x~4 76), 48219#(<= ULTIMATE.start_main_~x~4 78), 48220#(<= ULTIMATE.start_main_~x~4 80), 48221#(<= ULTIMATE.start_main_~x~4 82), 48222#(<= ULTIMATE.start_main_~x~4 84), 48223#(<= ULTIMATE.start_main_~x~4 86), 48224#(<= ULTIMATE.start_main_~x~4 88), 48225#(<= ULTIMATE.start_main_~x~4 90), 48226#(<= ULTIMATE.start_main_~x~4 92), 48227#(<= ULTIMATE.start_main_~x~4 94), 48228#(<= ULTIMATE.start_main_~x~4 96), 48229#(<= ULTIMATE.start_main_~x~4 98), 48230#(<= ULTIMATE.start_main_~x~4 100), 48231#(<= ULTIMATE.start_main_~x~4 102), 48232#(<= ULTIMATE.start_main_~x~4 104), 48233#(<= ULTIMATE.start_main_~x~4 106), 48234#(<= ULTIMATE.start_main_~x~4 108), 48235#(<= ULTIMATE.start_main_~x~4 110), 48236#(<= ULTIMATE.start_main_~x~4 112), 48237#(<= ULTIMATE.start_main_~x~4 114), 48238#(<= ULTIMATE.start_main_~x~4 116), 48239#(<= ULTIMATE.start_main_~x~4 118), 48240#(<= ULTIMATE.start_main_~x~4 120), 48241#(<= ULTIMATE.start_main_~x~4 122), 48242#(<= ULTIMATE.start_main_~x~4 124), 48243#(<= ULTIMATE.start_main_~x~4 126), 48244#(<= ULTIMATE.start_main_~x~4 128), 48245#(<= ULTIMATE.start_main_~x~4 130), 48246#(<= ULTIMATE.start_main_~x~4 132), 48247#(<= ULTIMATE.start_main_~x~4 134), 48248#(<= ULTIMATE.start_main_~x~4 136), 48249#(<= ULTIMATE.start_main_~x~4 138), 48250#(<= ULTIMATE.start_main_~x~4 140), 48251#(<= ULTIMATE.start_main_~x~4 142), 48252#(<= ULTIMATE.start_main_~x~4 144), 48253#(<= ULTIMATE.start_main_~x~4 146), 48254#(<= ULTIMATE.start_main_~x~4 148), 48255#(<= ULTIMATE.start_main_~x~4 150), 48256#(<= ULTIMATE.start_main_~x~4 152), 48257#(<= ULTIMATE.start_main_~x~4 154), 48258#(<= ULTIMATE.start_main_~x~4 156), 48259#(<= ULTIMATE.start_main_~x~4 158), 48260#(<= ULTIMATE.start_main_~x~4 160), 48261#(<= ULTIMATE.start_main_~x~4 162), 48262#(<= ULTIMATE.start_main_~x~4 164), 48263#(<= ULTIMATE.start_main_~x~4 166), 48264#(<= ULTIMATE.start_main_~x~4 168), 48265#(<= ULTIMATE.start_main_~x~4 170), 48266#(<= ULTIMATE.start_main_~x~4 172), 48267#(<= ULTIMATE.start_main_~x~4 174), 48268#(<= ULTIMATE.start_main_~x~4 176), 48269#(<= ULTIMATE.start_main_~x~4 178), 48270#(<= ULTIMATE.start_main_~x~4 180), 48271#(<= ULTIMATE.start_main_~x~4 182), 48272#(<= ULTIMATE.start_main_~x~4 184), 48273#(<= ULTIMATE.start_main_~x~4 186), 48274#(<= ULTIMATE.start_main_~x~4 188), 48275#(<= ULTIMATE.start_main_~x~4 190), 48276#(<= ULTIMATE.start_main_~x~4 192), 48277#(<= ULTIMATE.start_main_~x~4 194), 48278#(<= ULTIMATE.start_main_~x~4 196), 48279#(<= ULTIMATE.start_main_~x~4 198), 48280#(<= ULTIMATE.start_main_~x~4 200), 48281#(<= ULTIMATE.start_main_~x~4 202), 48282#(<= ULTIMATE.start_main_~x~4 204), 48283#(<= ULTIMATE.start_main_~x~4 206), 48284#(<= ULTIMATE.start_main_~x~4 208), 48285#(<= ULTIMATE.start_main_~x~4 210), 48286#(<= ULTIMATE.start_main_~x~4 212), 48287#(<= ULTIMATE.start_main_~x~4 214), 48288#(<= ULTIMATE.start_main_~x~4 216), 48289#(<= ULTIMATE.start_main_~x~4 218), 48290#(<= ULTIMATE.start_main_~x~4 220), 48291#(<= ULTIMATE.start_main_~x~4 222), 48292#(<= ULTIMATE.start_main_~x~4 224), 48293#(<= ULTIMATE.start_main_~x~4 226), 48294#(<= ULTIMATE.start_main_~x~4 228), 48295#(<= ULTIMATE.start_main_~x~4 230), 48296#(<= ULTIMATE.start_main_~x~4 232), 48297#(<= ULTIMATE.start_main_~x~4 234), 48298#(<= ULTIMATE.start_main_~x~4 236), 48299#(<= ULTIMATE.start_main_~x~4 238), 48300#(<= ULTIMATE.start_main_~x~4 240), 48301#(<= ULTIMATE.start_main_~x~4 242), 48302#(<= ULTIMATE.start_main_~x~4 244), 48303#(<= ULTIMATE.start_main_~x~4 246), 48304#(<= ULTIMATE.start_main_~x~4 248), 48305#(<= ULTIMATE.start_main_~x~4 250), 48306#(<= ULTIMATE.start_main_~x~4 252), 48307#(<= ULTIMATE.start_main_~x~4 254), 48308#(<= ULTIMATE.start_main_~x~4 256), 48309#(<= ULTIMATE.start_main_~x~4 258), 48310#(<= ULTIMATE.start_main_~x~4 260), 48311#(<= ULTIMATE.start_main_~x~4 262), 48312#(<= ULTIMATE.start_main_~x~4 264), 48313#(<= ULTIMATE.start_main_~x~4 266), 48314#(<= ULTIMATE.start_main_~x~4 268), 48315#(<= ULTIMATE.start_main_~x~4 270), 48316#(<= ULTIMATE.start_main_~x~4 272), 48317#(<= ULTIMATE.start_main_~x~4 274), 48318#(<= ULTIMATE.start_main_~x~4 276), 48319#(<= ULTIMATE.start_main_~x~4 278)] [2018-07-23 13:42:11,964 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 13:42:11,964 INFO L450 AbstractCegarLoop]: Interpolant automaton has 137 states [2018-07-23 13:42:11,966 INFO L132 InterpolantAutomaton]: Constructing interpolant automaton starting with 137 interpolants. [2018-07-23 13:42:11,967 INFO L133 InterpolantAutomaton]: CoverageRelationStatistics Valid=9316, Invalid=9316, Unknown=0, NotChecked=0, Total=18632 [2018-07-23 13:42:11,967 INFO L87 Difference]: Start difference. First operand 138 states and 138 transitions. Second operand 137 states. [2018-07-23 13:42:12,174 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2018-07-23 13:42:12,175 INFO L93 Difference]: Finished difference Result 141 states and 141 transitions. [2018-07-23 13:42:12,175 INFO L142 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 137 states. [2018-07-23 13:42:12,175 INFO L78 Accepts]: Start accepts. Automaton has 137 states. Word has length 137 [2018-07-23 13:42:12,175 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2018-07-23 13:42:12,175 INFO L225 Difference]: With dead ends: 141 [2018-07-23 13:42:12,175 INFO L226 Difference]: Without dead ends: 139 [2018-07-23 13:42:12,177 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 13:42:12,177 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 139 states. [2018-07-23 13:42:12,178 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 139 to 139. [2018-07-23 13:42:12,178 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 139 states. [2018-07-23 13:42:12,179 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 139 states to 139 states and 139 transitions. [2018-07-23 13:42:12,179 INFO L78 Accepts]: Start accepts. Automaton has 139 states and 139 transitions. Word has length 137 [2018-07-23 13:42:12,179 INFO L84 Accepts]: Finished accepts. word is rejected. [2018-07-23 13:42:12,179 INFO L471 AbstractCegarLoop]: Abstraction has 139 states and 139 transitions. [2018-07-23 13:42:12,179 INFO L472 AbstractCegarLoop]: Interpolant automaton has 137 states. [2018-07-23 13:42:12,179 INFO L276 IsEmpty]: Start isEmpty. Operand 139 states and 139 transitions. [2018-07-23 13:42:12,179 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 139 [2018-07-23 13:42:12,179 INFO L349 BasicCegarLoop]: Found error trace [2018-07-23 13:42:12,179 INFO L357 BasicCegarLoop]: trace histogram [135, 1, 1, 1] [2018-07-23 13:42:12,180 INFO L414 AbstractCegarLoop]: === Iteration 136 === [ULTIMATE.startErr0AssertViolationASSERT]=== [2018-07-23 13:42:12,180 INFO L82 PathProgramCache]: Analyzing trace with hash 1816712, now seen corresponding path program 135 times [2018-07-23 13:42:12,180 INFO L69 tionRefinementEngine]: Using refinement strategy FixedRefinementStrategy [2018-07-23 13:42:12,191 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-07-23 13:42:12,593 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 13:42:12,593 INFO L309 seRefinementStrategy]: Constructing automaton from 0 perfect and 1 imperfect interpolant sequences. [2018-07-23 13:42:12,593 INFO L324 seRefinementStrategy]: Number of different interpolants: perfect sequences [] imperfect sequences [137] total 137 [2018-07-23 13:42:12,593 INFO L142 lantAutomatonBuilder]: Constructing canonical interpolant automaton, with selfloop in false state [2018-07-23 13:42:12,593 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2018-07-23 13:42:12,594 INFO L185 omatonBuilderFactory]: Interpolants [48896#(<= ULTIMATE.start_main_~x~4 38), 48897#(<= ULTIMATE.start_main_~x~4 40), 48898#(<= ULTIMATE.start_main_~x~4 42), 48899#(<= ULTIMATE.start_main_~x~4 44), 48900#(<= ULTIMATE.start_main_~x~4 46), 48901#(<= ULTIMATE.start_main_~x~4 48), 48902#(<= ULTIMATE.start_main_~x~4 50), 48903#(<= ULTIMATE.start_main_~x~4 52), 48904#(<= ULTIMATE.start_main_~x~4 54), 48905#(<= ULTIMATE.start_main_~x~4 56), 48906#(<= ULTIMATE.start_main_~x~4 58), 48907#(<= ULTIMATE.start_main_~x~4 60), 48908#(<= ULTIMATE.start_main_~x~4 62), 48909#(<= ULTIMATE.start_main_~x~4 64), 48910#(<= ULTIMATE.start_main_~x~4 66), 48911#(<= ULTIMATE.start_main_~x~4 68), 48912#(<= ULTIMATE.start_main_~x~4 70), 48913#(<= ULTIMATE.start_main_~x~4 72), 48914#(<= ULTIMATE.start_main_~x~4 74), 48915#(<= ULTIMATE.start_main_~x~4 76), 48916#(<= ULTIMATE.start_main_~x~4 78), 48917#(<= ULTIMATE.start_main_~x~4 80), 48918#(<= ULTIMATE.start_main_~x~4 82), 48919#(<= ULTIMATE.start_main_~x~4 84), 48920#(<= ULTIMATE.start_main_~x~4 86), 48921#(<= ULTIMATE.start_main_~x~4 88), 48922#(<= ULTIMATE.start_main_~x~4 90), 48923#(<= ULTIMATE.start_main_~x~4 92), 48924#(<= ULTIMATE.start_main_~x~4 94), 48925#(<= ULTIMATE.start_main_~x~4 96), 48926#(<= ULTIMATE.start_main_~x~4 98), 48927#(<= ULTIMATE.start_main_~x~4 100), 48928#(<= ULTIMATE.start_main_~x~4 102), 48929#(<= ULTIMATE.start_main_~x~4 104), 48930#(<= ULTIMATE.start_main_~x~4 106), 48931#(<= ULTIMATE.start_main_~x~4 108), 48932#(<= ULTIMATE.start_main_~x~4 110), 48933#(<= ULTIMATE.start_main_~x~4 112), 48934#(<= ULTIMATE.start_main_~x~4 114), 48935#(<= ULTIMATE.start_main_~x~4 116), 48936#(<= ULTIMATE.start_main_~x~4 118), 48937#(<= ULTIMATE.start_main_~x~4 120), 48938#(<= ULTIMATE.start_main_~x~4 122), 48939#(<= ULTIMATE.start_main_~x~4 124), 48940#(<= ULTIMATE.start_main_~x~4 126), 48941#(<= ULTIMATE.start_main_~x~4 128), 48942#(<= ULTIMATE.start_main_~x~4 130), 48943#(<= ULTIMATE.start_main_~x~4 132), 48944#(<= ULTIMATE.start_main_~x~4 134), 48945#(<= ULTIMATE.start_main_~x~4 136), 48946#(<= ULTIMATE.start_main_~x~4 138), 48947#(<= ULTIMATE.start_main_~x~4 140), 48948#(<= ULTIMATE.start_main_~x~4 142), 48949#(<= ULTIMATE.start_main_~x~4 144), 48950#(<= ULTIMATE.start_main_~x~4 146), 48951#(<= ULTIMATE.start_main_~x~4 148), 48952#(<= ULTIMATE.start_main_~x~4 150), 48953#(<= ULTIMATE.start_main_~x~4 152), 48954#(<= ULTIMATE.start_main_~x~4 154), 48955#(<= ULTIMATE.start_main_~x~4 156), 48956#(<= ULTIMATE.start_main_~x~4 158), 48957#(<= ULTIMATE.start_main_~x~4 160), 48958#(<= ULTIMATE.start_main_~x~4 162), 48959#(<= ULTIMATE.start_main_~x~4 164), 48960#(<= ULTIMATE.start_main_~x~4 166), 48961#(<= ULTIMATE.start_main_~x~4 168), 48962#(<= ULTIMATE.start_main_~x~4 170), 48963#(<= ULTIMATE.start_main_~x~4 172), 48964#(<= ULTIMATE.start_main_~x~4 174), 48965#(<= ULTIMATE.start_main_~x~4 176), 48966#(<= ULTIMATE.start_main_~x~4 178), 48967#(<= ULTIMATE.start_main_~x~4 180), 48968#(<= ULTIMATE.start_main_~x~4 182), 48969#(<= ULTIMATE.start_main_~x~4 184), 48970#(<= ULTIMATE.start_main_~x~4 186), 48971#(<= ULTIMATE.start_main_~x~4 188), 48972#(<= ULTIMATE.start_main_~x~4 190), 48973#(<= ULTIMATE.start_main_~x~4 192), 48974#(<= ULTIMATE.start_main_~x~4 194), 48975#(<= ULTIMATE.start_main_~x~4 196), 48976#(<= ULTIMATE.start_main_~x~4 198), 48977#(<= ULTIMATE.start_main_~x~4 200), 48978#(<= ULTIMATE.start_main_~x~4 202), 48979#(<= ULTIMATE.start_main_~x~4 204), 48980#(<= ULTIMATE.start_main_~x~4 206), 48981#(<= ULTIMATE.start_main_~x~4 208), 48982#(<= ULTIMATE.start_main_~x~4 210), 48983#(<= ULTIMATE.start_main_~x~4 212), 48984#(<= ULTIMATE.start_main_~x~4 214), 48985#(<= ULTIMATE.start_main_~x~4 216), 48986#(<= ULTIMATE.start_main_~x~4 218), 48987#(<= ULTIMATE.start_main_~x~4 220), 48988#(<= ULTIMATE.start_main_~x~4 222), 48989#(<= ULTIMATE.start_main_~x~4 224), 48990#(<= ULTIMATE.start_main_~x~4 226), 48991#(<= ULTIMATE.start_main_~x~4 228), 48992#(<= ULTIMATE.start_main_~x~4 230), 48993#(<= ULTIMATE.start_main_~x~4 232), 48994#(<= ULTIMATE.start_main_~x~4 234), 48995#(<= ULTIMATE.start_main_~x~4 236), 48996#(<= ULTIMATE.start_main_~x~4 238), 48997#(<= ULTIMATE.start_main_~x~4 240), 48998#(<= ULTIMATE.start_main_~x~4 242), 48999#(<= ULTIMATE.start_main_~x~4 244), 49000#(<= ULTIMATE.start_main_~x~4 246), 49001#(<= ULTIMATE.start_main_~x~4 248), 49002#(<= ULTIMATE.start_main_~x~4 250), 49003#(<= ULTIMATE.start_main_~x~4 252), 49004#(<= ULTIMATE.start_main_~x~4 254), 49005#(<= ULTIMATE.start_main_~x~4 256), 49006#(<= ULTIMATE.start_main_~x~4 258), 49007#(<= ULTIMATE.start_main_~x~4 260), 49008#(<= ULTIMATE.start_main_~x~4 262), 49009#(<= ULTIMATE.start_main_~x~4 264), 49010#(<= ULTIMATE.start_main_~x~4 266), 49011#(<= ULTIMATE.start_main_~x~4 268), 49012#(<= ULTIMATE.start_main_~x~4 270), 49013#(<= ULTIMATE.start_main_~x~4 272), 49014#(<= ULTIMATE.start_main_~x~4 274), 49015#(<= ULTIMATE.start_main_~x~4 276), 49016#(<= ULTIMATE.start_main_~x~4 278), 49017#(<= ULTIMATE.start_main_~x~4 280), 48880#true, 48881#false, 48882#(<= ULTIMATE.start_main_~x~4 10), 48883#(<= ULTIMATE.start_main_~x~4 12), 48884#(<= ULTIMATE.start_main_~x~4 14), 48885#(<= ULTIMATE.start_main_~x~4 16), 48886#(<= ULTIMATE.start_main_~x~4 18), 48887#(<= ULTIMATE.start_main_~x~4 20), 48888#(<= ULTIMATE.start_main_~x~4 22), 48889#(<= ULTIMATE.start_main_~x~4 24), 48890#(<= ULTIMATE.start_main_~x~4 26), 48891#(<= ULTIMATE.start_main_~x~4 28), 48892#(<= ULTIMATE.start_main_~x~4 30), 48893#(<= ULTIMATE.start_main_~x~4 32), 48894#(<= ULTIMATE.start_main_~x~4 34), 48895#(<= ULTIMATE.start_main_~x~4 36)] [2018-07-23 13:42:12,595 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 13:42:12,595 INFO L450 AbstractCegarLoop]: Interpolant automaton has 138 states [2018-07-23 13:42:12,597 INFO L132 InterpolantAutomaton]: Constructing interpolant automaton starting with 138 interpolants. [2018-07-23 13:42:12,598 INFO L133 InterpolantAutomaton]: CoverageRelationStatistics Valid=9453, Invalid=9453, Unknown=0, NotChecked=0, Total=18906 [2018-07-23 13:42:12,598 INFO L87 Difference]: Start difference. First operand 139 states and 139 transitions. Second operand 138 states. [2018-07-23 13:42:12,825 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2018-07-23 13:42:12,825 INFO L93 Difference]: Finished difference Result 142 states and 142 transitions. [2018-07-23 13:42:12,825 INFO L142 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 138 states. [2018-07-23 13:42:12,825 INFO L78 Accepts]: Start accepts. Automaton has 138 states. Word has length 138 [2018-07-23 13:42:12,826 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2018-07-23 13:42:12,826 INFO L225 Difference]: With dead ends: 142 [2018-07-23 13:42:12,826 INFO L226 Difference]: Without dead ends: 140 [2018-07-23 13:42:12,827 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 13:42:12,828 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 140 states. [2018-07-23 13:42:12,829 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 140 to 140. [2018-07-23 13:42:12,830 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 140 states. [2018-07-23 13:42:12,830 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 140 states to 140 states and 140 transitions. [2018-07-23 13:42:12,830 INFO L78 Accepts]: Start accepts. Automaton has 140 states and 140 transitions. Word has length 138 [2018-07-23 13:42:12,830 INFO L84 Accepts]: Finished accepts. word is rejected. [2018-07-23 13:42:12,830 INFO L471 AbstractCegarLoop]: Abstraction has 140 states and 140 transitions. [2018-07-23 13:42:12,830 INFO L472 AbstractCegarLoop]: Interpolant automaton has 138 states. [2018-07-23 13:42:12,830 INFO L276 IsEmpty]: Start isEmpty. Operand 140 states and 140 transitions. [2018-07-23 13:42:12,831 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 140 [2018-07-23 13:42:12,831 INFO L349 BasicCegarLoop]: Found error trace [2018-07-23 13:42:12,831 INFO L357 BasicCegarLoop]: trace histogram [136, 1, 1, 1] [2018-07-23 13:42:12,831 INFO L414 AbstractCegarLoop]: === Iteration 137 === [ULTIMATE.startErr0AssertViolationASSERT]=== [2018-07-23 13:42:12,831 INFO L82 PathProgramCache]: Analyzing trace with hash 56316097, now seen corresponding path program 136 times [2018-07-23 13:42:12,831 INFO L69 tionRefinementEngine]: Using refinement strategy FixedRefinementStrategy [2018-07-23 13:42:12,844 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-07-23 13:42:13,256 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 13:42:13,257 INFO L309 seRefinementStrategy]: Constructing automaton from 0 perfect and 1 imperfect interpolant sequences. [2018-07-23 13:42:13,257 INFO L324 seRefinementStrategy]: Number of different interpolants: perfect sequences [] imperfect sequences [138] total 138 [2018-07-23 13:42:13,257 INFO L142 lantAutomatonBuilder]: Constructing canonical interpolant automaton, with selfloop in false state [2018-07-23 13:42:13,257 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2018-07-23 13:42:13,258 INFO L185 omatonBuilderFactory]: Interpolants [49664#(<= ULTIMATE.start_main_~x~4 170), 49665#(<= ULTIMATE.start_main_~x~4 172), 49666#(<= ULTIMATE.start_main_~x~4 174), 49667#(<= ULTIMATE.start_main_~x~4 176), 49668#(<= ULTIMATE.start_main_~x~4 178), 49669#(<= ULTIMATE.start_main_~x~4 180), 49670#(<= ULTIMATE.start_main_~x~4 182), 49671#(<= ULTIMATE.start_main_~x~4 184), 49672#(<= ULTIMATE.start_main_~x~4 186), 49673#(<= ULTIMATE.start_main_~x~4 188), 49674#(<= ULTIMATE.start_main_~x~4 190), 49675#(<= ULTIMATE.start_main_~x~4 192), 49676#(<= ULTIMATE.start_main_~x~4 194), 49677#(<= ULTIMATE.start_main_~x~4 196), 49678#(<= ULTIMATE.start_main_~x~4 198), 49679#(<= ULTIMATE.start_main_~x~4 200), 49680#(<= ULTIMATE.start_main_~x~4 202), 49681#(<= ULTIMATE.start_main_~x~4 204), 49682#(<= ULTIMATE.start_main_~x~4 206), 49683#(<= ULTIMATE.start_main_~x~4 208), 49684#(<= ULTIMATE.start_main_~x~4 210), 49685#(<= ULTIMATE.start_main_~x~4 212), 49686#(<= ULTIMATE.start_main_~x~4 214), 49687#(<= ULTIMATE.start_main_~x~4 216), 49688#(<= ULTIMATE.start_main_~x~4 218), 49689#(<= ULTIMATE.start_main_~x~4 220), 49690#(<= ULTIMATE.start_main_~x~4 222), 49691#(<= ULTIMATE.start_main_~x~4 224), 49692#(<= ULTIMATE.start_main_~x~4 226), 49693#(<= ULTIMATE.start_main_~x~4 228), 49694#(<= ULTIMATE.start_main_~x~4 230), 49695#(<= ULTIMATE.start_main_~x~4 232), 49696#(<= ULTIMATE.start_main_~x~4 234), 49697#(<= ULTIMATE.start_main_~x~4 236), 49698#(<= ULTIMATE.start_main_~x~4 238), 49699#(<= ULTIMATE.start_main_~x~4 240), 49700#(<= ULTIMATE.start_main_~x~4 242), 49701#(<= ULTIMATE.start_main_~x~4 244), 49702#(<= ULTIMATE.start_main_~x~4 246), 49703#(<= ULTIMATE.start_main_~x~4 248), 49704#(<= ULTIMATE.start_main_~x~4 250), 49705#(<= ULTIMATE.start_main_~x~4 252), 49706#(<= ULTIMATE.start_main_~x~4 254), 49707#(<= ULTIMATE.start_main_~x~4 256), 49708#(<= ULTIMATE.start_main_~x~4 258), 49709#(<= ULTIMATE.start_main_~x~4 260), 49710#(<= ULTIMATE.start_main_~x~4 262), 49711#(<= ULTIMATE.start_main_~x~4 264), 49712#(<= ULTIMATE.start_main_~x~4 266), 49713#(<= ULTIMATE.start_main_~x~4 268), 49714#(<= ULTIMATE.start_main_~x~4 270), 49715#(<= ULTIMATE.start_main_~x~4 272), 49716#(<= ULTIMATE.start_main_~x~4 274), 49717#(<= ULTIMATE.start_main_~x~4 276), 49718#(<= ULTIMATE.start_main_~x~4 278), 49719#(<= ULTIMATE.start_main_~x~4 280), 49720#(<= ULTIMATE.start_main_~x~4 282), 49582#true, 49583#false, 49584#(<= ULTIMATE.start_main_~x~4 10), 49585#(<= ULTIMATE.start_main_~x~4 12), 49586#(<= ULTIMATE.start_main_~x~4 14), 49587#(<= ULTIMATE.start_main_~x~4 16), 49588#(<= ULTIMATE.start_main_~x~4 18), 49589#(<= ULTIMATE.start_main_~x~4 20), 49590#(<= ULTIMATE.start_main_~x~4 22), 49591#(<= ULTIMATE.start_main_~x~4 24), 49592#(<= ULTIMATE.start_main_~x~4 26), 49593#(<= ULTIMATE.start_main_~x~4 28), 49594#(<= ULTIMATE.start_main_~x~4 30), 49595#(<= ULTIMATE.start_main_~x~4 32), 49596#(<= ULTIMATE.start_main_~x~4 34), 49597#(<= ULTIMATE.start_main_~x~4 36), 49598#(<= ULTIMATE.start_main_~x~4 38), 49599#(<= ULTIMATE.start_main_~x~4 40), 49600#(<= ULTIMATE.start_main_~x~4 42), 49601#(<= ULTIMATE.start_main_~x~4 44), 49602#(<= ULTIMATE.start_main_~x~4 46), 49603#(<= ULTIMATE.start_main_~x~4 48), 49604#(<= ULTIMATE.start_main_~x~4 50), 49605#(<= ULTIMATE.start_main_~x~4 52), 49606#(<= ULTIMATE.start_main_~x~4 54), 49607#(<= ULTIMATE.start_main_~x~4 56), 49608#(<= ULTIMATE.start_main_~x~4 58), 49609#(<= ULTIMATE.start_main_~x~4 60), 49610#(<= ULTIMATE.start_main_~x~4 62), 49611#(<= ULTIMATE.start_main_~x~4 64), 49612#(<= ULTIMATE.start_main_~x~4 66), 49613#(<= ULTIMATE.start_main_~x~4 68), 49614#(<= ULTIMATE.start_main_~x~4 70), 49615#(<= ULTIMATE.start_main_~x~4 72), 49616#(<= ULTIMATE.start_main_~x~4 74), 49617#(<= ULTIMATE.start_main_~x~4 76), 49618#(<= ULTIMATE.start_main_~x~4 78), 49619#(<= ULTIMATE.start_main_~x~4 80), 49620#(<= ULTIMATE.start_main_~x~4 82), 49621#(<= ULTIMATE.start_main_~x~4 84), 49622#(<= ULTIMATE.start_main_~x~4 86), 49623#(<= ULTIMATE.start_main_~x~4 88), 49624#(<= ULTIMATE.start_main_~x~4 90), 49625#(<= ULTIMATE.start_main_~x~4 92), 49626#(<= ULTIMATE.start_main_~x~4 94), 49627#(<= ULTIMATE.start_main_~x~4 96), 49628#(<= ULTIMATE.start_main_~x~4 98), 49629#(<= ULTIMATE.start_main_~x~4 100), 49630#(<= ULTIMATE.start_main_~x~4 102), 49631#(<= ULTIMATE.start_main_~x~4 104), 49632#(<= ULTIMATE.start_main_~x~4 106), 49633#(<= ULTIMATE.start_main_~x~4 108), 49634#(<= ULTIMATE.start_main_~x~4 110), 49635#(<= ULTIMATE.start_main_~x~4 112), 49636#(<= ULTIMATE.start_main_~x~4 114), 49637#(<= ULTIMATE.start_main_~x~4 116), 49638#(<= ULTIMATE.start_main_~x~4 118), 49639#(<= ULTIMATE.start_main_~x~4 120), 49640#(<= ULTIMATE.start_main_~x~4 122), 49641#(<= ULTIMATE.start_main_~x~4 124), 49642#(<= ULTIMATE.start_main_~x~4 126), 49643#(<= ULTIMATE.start_main_~x~4 128), 49644#(<= ULTIMATE.start_main_~x~4 130), 49645#(<= ULTIMATE.start_main_~x~4 132), 49646#(<= ULTIMATE.start_main_~x~4 134), 49647#(<= ULTIMATE.start_main_~x~4 136), 49648#(<= ULTIMATE.start_main_~x~4 138), 49649#(<= ULTIMATE.start_main_~x~4 140), 49650#(<= ULTIMATE.start_main_~x~4 142), 49651#(<= ULTIMATE.start_main_~x~4 144), 49652#(<= ULTIMATE.start_main_~x~4 146), 49653#(<= ULTIMATE.start_main_~x~4 148), 49654#(<= ULTIMATE.start_main_~x~4 150), 49655#(<= ULTIMATE.start_main_~x~4 152), 49656#(<= ULTIMATE.start_main_~x~4 154), 49657#(<= ULTIMATE.start_main_~x~4 156), 49658#(<= ULTIMATE.start_main_~x~4 158), 49659#(<= ULTIMATE.start_main_~x~4 160), 49660#(<= ULTIMATE.start_main_~x~4 162), 49661#(<= ULTIMATE.start_main_~x~4 164), 49662#(<= ULTIMATE.start_main_~x~4 166), 49663#(<= ULTIMATE.start_main_~x~4 168)] [2018-07-23 13:42:13,258 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 13:42:13,258 INFO L450 AbstractCegarLoop]: Interpolant automaton has 139 states [2018-07-23 13:42:13,259 INFO L132 InterpolantAutomaton]: Constructing interpolant automaton starting with 139 interpolants. [2018-07-23 13:42:13,260 INFO L133 InterpolantAutomaton]: CoverageRelationStatistics Valid=9591, Invalid=9591, Unknown=0, NotChecked=0, Total=19182 [2018-07-23 13:42:13,260 INFO L87 Difference]: Start difference. First operand 140 states and 140 transitions. Second operand 139 states. [2018-07-23 13:42:13,350 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2018-07-23 13:42:13,350 INFO L93 Difference]: Finished difference Result 143 states and 143 transitions. [2018-07-23 13:42:13,350 INFO L142 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 139 states. [2018-07-23 13:42:13,350 INFO L78 Accepts]: Start accepts. Automaton has 139 states. Word has length 139 [2018-07-23 13:42:13,350 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2018-07-23 13:42:13,351 INFO L225 Difference]: With dead ends: 143 [2018-07-23 13:42:13,351 INFO L226 Difference]: Without dead ends: 141 [2018-07-23 13:42:13,353 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 13:42:13,353 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 141 states. [2018-07-23 13:42:13,355 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 141 to 141. [2018-07-23 13:42:13,355 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 141 states. [2018-07-23 13:42:13,355 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 141 states to 141 states and 141 transitions. [2018-07-23 13:42:13,356 INFO L78 Accepts]: Start accepts. Automaton has 141 states and 141 transitions. Word has length 139 [2018-07-23 13:42:13,356 INFO L84 Accepts]: Finished accepts. word is rejected. [2018-07-23 13:42:13,356 INFO L471 AbstractCegarLoop]: Abstraction has 141 states and 141 transitions. [2018-07-23 13:42:13,356 INFO L472 AbstractCegarLoop]: Interpolant automaton has 139 states. [2018-07-23 13:42:13,356 INFO L276 IsEmpty]: Start isEmpty. Operand 141 states and 141 transitions. [2018-07-23 13:42:13,356 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 141 [2018-07-23 13:42:13,356 INFO L349 BasicCegarLoop]: Found error trace [2018-07-23 13:42:13,356 INFO L357 BasicCegarLoop]: trace histogram [137, 1, 1, 1] [2018-07-23 13:42:13,357 INFO L414 AbstractCegarLoop]: === Iteration 138 === [ULTIMATE.startErr0AssertViolationASSERT]=== [2018-07-23 13:42:13,357 INFO L82 PathProgramCache]: Analyzing trace with hash 1745797032, now seen corresponding path program 137 times [2018-07-23 13:42:13,357 INFO L69 tionRefinementEngine]: Using refinement strategy FixedRefinementStrategy [2018-07-23 13:42:13,373 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-07-23 13:42:13,810 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 13:42:13,811 INFO L309 seRefinementStrategy]: Constructing automaton from 0 perfect and 1 imperfect interpolant sequences. [2018-07-23 13:42:13,811 INFO L324 seRefinementStrategy]: Number of different interpolants: perfect sequences [] imperfect sequences [139] total 139 [2018-07-23 13:42:13,811 INFO L142 lantAutomatonBuilder]: Constructing canonical interpolant automaton, with selfloop in false state [2018-07-23 13:42:13,811 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2018-07-23 13:42:13,811 INFO L185 omatonBuilderFactory]: Interpolants [50289#true, 50290#false, 50291#(<= ULTIMATE.start_main_~x~4 10), 50292#(<= ULTIMATE.start_main_~x~4 12), 50293#(<= ULTIMATE.start_main_~x~4 14), 50294#(<= ULTIMATE.start_main_~x~4 16), 50295#(<= ULTIMATE.start_main_~x~4 18), 50296#(<= ULTIMATE.start_main_~x~4 20), 50297#(<= ULTIMATE.start_main_~x~4 22), 50298#(<= ULTIMATE.start_main_~x~4 24), 50299#(<= ULTIMATE.start_main_~x~4 26), 50300#(<= ULTIMATE.start_main_~x~4 28), 50301#(<= ULTIMATE.start_main_~x~4 30), 50302#(<= ULTIMATE.start_main_~x~4 32), 50303#(<= ULTIMATE.start_main_~x~4 34), 50304#(<= ULTIMATE.start_main_~x~4 36), 50305#(<= ULTIMATE.start_main_~x~4 38), 50306#(<= ULTIMATE.start_main_~x~4 40), 50307#(<= ULTIMATE.start_main_~x~4 42), 50308#(<= ULTIMATE.start_main_~x~4 44), 50309#(<= ULTIMATE.start_main_~x~4 46), 50310#(<= ULTIMATE.start_main_~x~4 48), 50311#(<= ULTIMATE.start_main_~x~4 50), 50312#(<= ULTIMATE.start_main_~x~4 52), 50313#(<= ULTIMATE.start_main_~x~4 54), 50314#(<= ULTIMATE.start_main_~x~4 56), 50315#(<= ULTIMATE.start_main_~x~4 58), 50316#(<= ULTIMATE.start_main_~x~4 60), 50317#(<= ULTIMATE.start_main_~x~4 62), 50318#(<= ULTIMATE.start_main_~x~4 64), 50319#(<= ULTIMATE.start_main_~x~4 66), 50320#(<= ULTIMATE.start_main_~x~4 68), 50321#(<= ULTIMATE.start_main_~x~4 70), 50322#(<= ULTIMATE.start_main_~x~4 72), 50323#(<= ULTIMATE.start_main_~x~4 74), 50324#(<= ULTIMATE.start_main_~x~4 76), 50325#(<= ULTIMATE.start_main_~x~4 78), 50326#(<= ULTIMATE.start_main_~x~4 80), 50327#(<= ULTIMATE.start_main_~x~4 82), 50328#(<= ULTIMATE.start_main_~x~4 84), 50329#(<= ULTIMATE.start_main_~x~4 86), 50330#(<= ULTIMATE.start_main_~x~4 88), 50331#(<= ULTIMATE.start_main_~x~4 90), 50332#(<= ULTIMATE.start_main_~x~4 92), 50333#(<= ULTIMATE.start_main_~x~4 94), 50334#(<= ULTIMATE.start_main_~x~4 96), 50335#(<= ULTIMATE.start_main_~x~4 98), 50336#(<= ULTIMATE.start_main_~x~4 100), 50337#(<= ULTIMATE.start_main_~x~4 102), 50338#(<= ULTIMATE.start_main_~x~4 104), 50339#(<= ULTIMATE.start_main_~x~4 106), 50340#(<= ULTIMATE.start_main_~x~4 108), 50341#(<= ULTIMATE.start_main_~x~4 110), 50342#(<= ULTIMATE.start_main_~x~4 112), 50343#(<= ULTIMATE.start_main_~x~4 114), 50344#(<= ULTIMATE.start_main_~x~4 116), 50345#(<= ULTIMATE.start_main_~x~4 118), 50346#(<= ULTIMATE.start_main_~x~4 120), 50347#(<= ULTIMATE.start_main_~x~4 122), 50348#(<= ULTIMATE.start_main_~x~4 124), 50349#(<= ULTIMATE.start_main_~x~4 126), 50350#(<= ULTIMATE.start_main_~x~4 128), 50351#(<= ULTIMATE.start_main_~x~4 130), 50352#(<= ULTIMATE.start_main_~x~4 132), 50353#(<= ULTIMATE.start_main_~x~4 134), 50354#(<= ULTIMATE.start_main_~x~4 136), 50355#(<= ULTIMATE.start_main_~x~4 138), 50356#(<= ULTIMATE.start_main_~x~4 140), 50357#(<= ULTIMATE.start_main_~x~4 142), 50358#(<= ULTIMATE.start_main_~x~4 144), 50359#(<= ULTIMATE.start_main_~x~4 146), 50360#(<= ULTIMATE.start_main_~x~4 148), 50361#(<= ULTIMATE.start_main_~x~4 150), 50362#(<= ULTIMATE.start_main_~x~4 152), 50363#(<= ULTIMATE.start_main_~x~4 154), 50364#(<= ULTIMATE.start_main_~x~4 156), 50365#(<= ULTIMATE.start_main_~x~4 158), 50366#(<= ULTIMATE.start_main_~x~4 160), 50367#(<= ULTIMATE.start_main_~x~4 162), 50368#(<= ULTIMATE.start_main_~x~4 164), 50369#(<= ULTIMATE.start_main_~x~4 166), 50370#(<= ULTIMATE.start_main_~x~4 168), 50371#(<= ULTIMATE.start_main_~x~4 170), 50372#(<= ULTIMATE.start_main_~x~4 172), 50373#(<= ULTIMATE.start_main_~x~4 174), 50374#(<= ULTIMATE.start_main_~x~4 176), 50375#(<= ULTIMATE.start_main_~x~4 178), 50376#(<= ULTIMATE.start_main_~x~4 180), 50377#(<= ULTIMATE.start_main_~x~4 182), 50378#(<= ULTIMATE.start_main_~x~4 184), 50379#(<= ULTIMATE.start_main_~x~4 186), 50380#(<= ULTIMATE.start_main_~x~4 188), 50381#(<= ULTIMATE.start_main_~x~4 190), 50382#(<= ULTIMATE.start_main_~x~4 192), 50383#(<= ULTIMATE.start_main_~x~4 194), 50384#(<= ULTIMATE.start_main_~x~4 196), 50385#(<= ULTIMATE.start_main_~x~4 198), 50386#(<= ULTIMATE.start_main_~x~4 200), 50387#(<= ULTIMATE.start_main_~x~4 202), 50388#(<= ULTIMATE.start_main_~x~4 204), 50389#(<= ULTIMATE.start_main_~x~4 206), 50390#(<= ULTIMATE.start_main_~x~4 208), 50391#(<= ULTIMATE.start_main_~x~4 210), 50392#(<= ULTIMATE.start_main_~x~4 212), 50393#(<= ULTIMATE.start_main_~x~4 214), 50394#(<= ULTIMATE.start_main_~x~4 216), 50395#(<= ULTIMATE.start_main_~x~4 218), 50396#(<= ULTIMATE.start_main_~x~4 220), 50397#(<= ULTIMATE.start_main_~x~4 222), 50398#(<= ULTIMATE.start_main_~x~4 224), 50399#(<= ULTIMATE.start_main_~x~4 226), 50400#(<= ULTIMATE.start_main_~x~4 228), 50401#(<= ULTIMATE.start_main_~x~4 230), 50402#(<= ULTIMATE.start_main_~x~4 232), 50403#(<= ULTIMATE.start_main_~x~4 234), 50404#(<= ULTIMATE.start_main_~x~4 236), 50405#(<= ULTIMATE.start_main_~x~4 238), 50406#(<= ULTIMATE.start_main_~x~4 240), 50407#(<= ULTIMATE.start_main_~x~4 242), 50408#(<= ULTIMATE.start_main_~x~4 244), 50409#(<= ULTIMATE.start_main_~x~4 246), 50410#(<= ULTIMATE.start_main_~x~4 248), 50411#(<= ULTIMATE.start_main_~x~4 250), 50412#(<= ULTIMATE.start_main_~x~4 252), 50413#(<= ULTIMATE.start_main_~x~4 254), 50414#(<= ULTIMATE.start_main_~x~4 256), 50415#(<= ULTIMATE.start_main_~x~4 258), 50416#(<= ULTIMATE.start_main_~x~4 260), 50417#(<= ULTIMATE.start_main_~x~4 262), 50418#(<= ULTIMATE.start_main_~x~4 264), 50419#(<= ULTIMATE.start_main_~x~4 266), 50420#(<= ULTIMATE.start_main_~x~4 268), 50421#(<= ULTIMATE.start_main_~x~4 270), 50422#(<= ULTIMATE.start_main_~x~4 272), 50423#(<= ULTIMATE.start_main_~x~4 274), 50424#(<= ULTIMATE.start_main_~x~4 276), 50425#(<= ULTIMATE.start_main_~x~4 278), 50426#(<= ULTIMATE.start_main_~x~4 280), 50427#(<= ULTIMATE.start_main_~x~4 282), 50428#(<= ULTIMATE.start_main_~x~4 284)] [2018-07-23 13:42:13,812 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 13:42:13,812 INFO L450 AbstractCegarLoop]: Interpolant automaton has 140 states [2018-07-23 13:42:13,814 INFO L132 InterpolantAutomaton]: Constructing interpolant automaton starting with 140 interpolants. [2018-07-23 13:42:13,815 INFO L133 InterpolantAutomaton]: CoverageRelationStatistics Valid=9730, Invalid=9730, Unknown=0, NotChecked=0, Total=19460 [2018-07-23 13:42:13,815 INFO L87 Difference]: Start difference. First operand 141 states and 141 transitions. Second operand 140 states. [2018-07-23 13:42:14,063 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2018-07-23 13:42:14,064 INFO L93 Difference]: Finished difference Result 144 states and 144 transitions. [2018-07-23 13:42:14,064 INFO L142 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 140 states. [2018-07-23 13:42:14,064 INFO L78 Accepts]: Start accepts. Automaton has 140 states. Word has length 140 [2018-07-23 13:42:14,064 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2018-07-23 13:42:14,064 INFO L225 Difference]: With dead ends: 144 [2018-07-23 13:42:14,064 INFO L226 Difference]: Without dead ends: 142 [2018-07-23 13:42:14,065 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 13:42:14,066 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 142 states. [2018-07-23 13:42:14,067 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 142 to 142. [2018-07-23 13:42:14,068 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 142 states. [2018-07-23 13:42:14,068 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 142 states to 142 states and 142 transitions. [2018-07-23 13:42:14,068 INFO L78 Accepts]: Start accepts. Automaton has 142 states and 142 transitions. Word has length 140 [2018-07-23 13:42:14,068 INFO L84 Accepts]: Finished accepts. word is rejected. [2018-07-23 13:42:14,068 INFO L471 AbstractCegarLoop]: Abstraction has 142 states and 142 transitions. [2018-07-23 13:42:14,068 INFO L472 AbstractCegarLoop]: Interpolant automaton has 140 states. [2018-07-23 13:42:14,068 INFO L276 IsEmpty]: Start isEmpty. Operand 142 states and 142 transitions. [2018-07-23 13:42:14,069 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 142 [2018-07-23 13:42:14,069 INFO L349 BasicCegarLoop]: Found error trace [2018-07-23 13:42:14,069 INFO L357 BasicCegarLoop]: trace histogram [138, 1, 1, 1] [2018-07-23 13:42:14,069 INFO L414 AbstractCegarLoop]: === Iteration 139 === [ULTIMATE.startErr0AssertViolationASSERT]=== [2018-07-23 13:42:14,069 INFO L82 PathProgramCache]: Analyzing trace with hash -1714868831, now seen corresponding path program 138 times [2018-07-23 13:42:14,069 INFO L69 tionRefinementEngine]: Using refinement strategy FixedRefinementStrategy [2018-07-23 13:42:14,079 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-07-23 13:42:14,467 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 13:42:14,467 INFO L309 seRefinementStrategy]: Constructing automaton from 0 perfect and 1 imperfect interpolant sequences. [2018-07-23 13:42:14,468 INFO L324 seRefinementStrategy]: Number of different interpolants: perfect sequences [] imperfect sequences [140] total 140 [2018-07-23 13:42:14,468 INFO L142 lantAutomatonBuilder]: Constructing canonical interpolant automaton, with selfloop in false state [2018-07-23 13:42:14,468 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2018-07-23 13:42:14,468 INFO L185 omatonBuilderFactory]: Interpolants [51001#true, 51002#false, 51003#(<= ULTIMATE.start_main_~x~4 10), 51004#(<= ULTIMATE.start_main_~x~4 12), 51005#(<= ULTIMATE.start_main_~x~4 14), 51006#(<= ULTIMATE.start_main_~x~4 16), 51007#(<= ULTIMATE.start_main_~x~4 18), 51008#(<= ULTIMATE.start_main_~x~4 20), 51009#(<= ULTIMATE.start_main_~x~4 22), 51010#(<= ULTIMATE.start_main_~x~4 24), 51011#(<= ULTIMATE.start_main_~x~4 26), 51012#(<= ULTIMATE.start_main_~x~4 28), 51013#(<= ULTIMATE.start_main_~x~4 30), 51014#(<= ULTIMATE.start_main_~x~4 32), 51015#(<= ULTIMATE.start_main_~x~4 34), 51016#(<= ULTIMATE.start_main_~x~4 36), 51017#(<= ULTIMATE.start_main_~x~4 38), 51018#(<= ULTIMATE.start_main_~x~4 40), 51019#(<= ULTIMATE.start_main_~x~4 42), 51020#(<= ULTIMATE.start_main_~x~4 44), 51021#(<= ULTIMATE.start_main_~x~4 46), 51022#(<= ULTIMATE.start_main_~x~4 48), 51023#(<= ULTIMATE.start_main_~x~4 50), 51024#(<= ULTIMATE.start_main_~x~4 52), 51025#(<= ULTIMATE.start_main_~x~4 54), 51026#(<= ULTIMATE.start_main_~x~4 56), 51027#(<= ULTIMATE.start_main_~x~4 58), 51028#(<= ULTIMATE.start_main_~x~4 60), 51029#(<= ULTIMATE.start_main_~x~4 62), 51030#(<= ULTIMATE.start_main_~x~4 64), 51031#(<= ULTIMATE.start_main_~x~4 66), 51032#(<= ULTIMATE.start_main_~x~4 68), 51033#(<= ULTIMATE.start_main_~x~4 70), 51034#(<= ULTIMATE.start_main_~x~4 72), 51035#(<= ULTIMATE.start_main_~x~4 74), 51036#(<= ULTIMATE.start_main_~x~4 76), 51037#(<= ULTIMATE.start_main_~x~4 78), 51038#(<= ULTIMATE.start_main_~x~4 80), 51039#(<= ULTIMATE.start_main_~x~4 82), 51040#(<= ULTIMATE.start_main_~x~4 84), 51041#(<= ULTIMATE.start_main_~x~4 86), 51042#(<= ULTIMATE.start_main_~x~4 88), 51043#(<= ULTIMATE.start_main_~x~4 90), 51044#(<= ULTIMATE.start_main_~x~4 92), 51045#(<= ULTIMATE.start_main_~x~4 94), 51046#(<= ULTIMATE.start_main_~x~4 96), 51047#(<= ULTIMATE.start_main_~x~4 98), 51048#(<= ULTIMATE.start_main_~x~4 100), 51049#(<= ULTIMATE.start_main_~x~4 102), 51050#(<= ULTIMATE.start_main_~x~4 104), 51051#(<= ULTIMATE.start_main_~x~4 106), 51052#(<= ULTIMATE.start_main_~x~4 108), 51053#(<= ULTIMATE.start_main_~x~4 110), 51054#(<= ULTIMATE.start_main_~x~4 112), 51055#(<= ULTIMATE.start_main_~x~4 114), 51056#(<= ULTIMATE.start_main_~x~4 116), 51057#(<= ULTIMATE.start_main_~x~4 118), 51058#(<= ULTIMATE.start_main_~x~4 120), 51059#(<= ULTIMATE.start_main_~x~4 122), 51060#(<= ULTIMATE.start_main_~x~4 124), 51061#(<= ULTIMATE.start_main_~x~4 126), 51062#(<= ULTIMATE.start_main_~x~4 128), 51063#(<= ULTIMATE.start_main_~x~4 130), 51064#(<= ULTIMATE.start_main_~x~4 132), 51065#(<= ULTIMATE.start_main_~x~4 134), 51066#(<= ULTIMATE.start_main_~x~4 136), 51067#(<= ULTIMATE.start_main_~x~4 138), 51068#(<= ULTIMATE.start_main_~x~4 140), 51069#(<= ULTIMATE.start_main_~x~4 142), 51070#(<= ULTIMATE.start_main_~x~4 144), 51071#(<= ULTIMATE.start_main_~x~4 146), 51072#(<= ULTIMATE.start_main_~x~4 148), 51073#(<= ULTIMATE.start_main_~x~4 150), 51074#(<= ULTIMATE.start_main_~x~4 152), 51075#(<= ULTIMATE.start_main_~x~4 154), 51076#(<= ULTIMATE.start_main_~x~4 156), 51077#(<= ULTIMATE.start_main_~x~4 158), 51078#(<= ULTIMATE.start_main_~x~4 160), 51079#(<= ULTIMATE.start_main_~x~4 162), 51080#(<= ULTIMATE.start_main_~x~4 164), 51081#(<= ULTIMATE.start_main_~x~4 166), 51082#(<= ULTIMATE.start_main_~x~4 168), 51083#(<= ULTIMATE.start_main_~x~4 170), 51084#(<= ULTIMATE.start_main_~x~4 172), 51085#(<= ULTIMATE.start_main_~x~4 174), 51086#(<= ULTIMATE.start_main_~x~4 176), 51087#(<= ULTIMATE.start_main_~x~4 178), 51088#(<= ULTIMATE.start_main_~x~4 180), 51089#(<= ULTIMATE.start_main_~x~4 182), 51090#(<= ULTIMATE.start_main_~x~4 184), 51091#(<= ULTIMATE.start_main_~x~4 186), 51092#(<= ULTIMATE.start_main_~x~4 188), 51093#(<= ULTIMATE.start_main_~x~4 190), 51094#(<= ULTIMATE.start_main_~x~4 192), 51095#(<= ULTIMATE.start_main_~x~4 194), 51096#(<= ULTIMATE.start_main_~x~4 196), 51097#(<= ULTIMATE.start_main_~x~4 198), 51098#(<= ULTIMATE.start_main_~x~4 200), 51099#(<= ULTIMATE.start_main_~x~4 202), 51100#(<= ULTIMATE.start_main_~x~4 204), 51101#(<= ULTIMATE.start_main_~x~4 206), 51102#(<= ULTIMATE.start_main_~x~4 208), 51103#(<= ULTIMATE.start_main_~x~4 210), 51104#(<= ULTIMATE.start_main_~x~4 212), 51105#(<= ULTIMATE.start_main_~x~4 214), 51106#(<= ULTIMATE.start_main_~x~4 216), 51107#(<= ULTIMATE.start_main_~x~4 218), 51108#(<= ULTIMATE.start_main_~x~4 220), 51109#(<= ULTIMATE.start_main_~x~4 222), 51110#(<= ULTIMATE.start_main_~x~4 224), 51111#(<= ULTIMATE.start_main_~x~4 226), 51112#(<= ULTIMATE.start_main_~x~4 228), 51113#(<= ULTIMATE.start_main_~x~4 230), 51114#(<= ULTIMATE.start_main_~x~4 232), 51115#(<= ULTIMATE.start_main_~x~4 234), 51116#(<= ULTIMATE.start_main_~x~4 236), 51117#(<= ULTIMATE.start_main_~x~4 238), 51118#(<= ULTIMATE.start_main_~x~4 240), 51119#(<= ULTIMATE.start_main_~x~4 242), 51120#(<= ULTIMATE.start_main_~x~4 244), 51121#(<= ULTIMATE.start_main_~x~4 246), 51122#(<= ULTIMATE.start_main_~x~4 248), 51123#(<= ULTIMATE.start_main_~x~4 250), 51124#(<= ULTIMATE.start_main_~x~4 252), 51125#(<= ULTIMATE.start_main_~x~4 254), 51126#(<= ULTIMATE.start_main_~x~4 256), 51127#(<= ULTIMATE.start_main_~x~4 258), 51128#(<= ULTIMATE.start_main_~x~4 260), 51129#(<= ULTIMATE.start_main_~x~4 262), 51130#(<= ULTIMATE.start_main_~x~4 264), 51131#(<= ULTIMATE.start_main_~x~4 266), 51132#(<= ULTIMATE.start_main_~x~4 268), 51133#(<= ULTIMATE.start_main_~x~4 270), 51134#(<= ULTIMATE.start_main_~x~4 272), 51135#(<= ULTIMATE.start_main_~x~4 274), 51136#(<= ULTIMATE.start_main_~x~4 276), 51137#(<= ULTIMATE.start_main_~x~4 278), 51138#(<= ULTIMATE.start_main_~x~4 280), 51139#(<= ULTIMATE.start_main_~x~4 282), 51140#(<= ULTIMATE.start_main_~x~4 284), 51141#(<= ULTIMATE.start_main_~x~4 286)] [2018-07-23 13:42:14,469 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 13:42:14,469 INFO L450 AbstractCegarLoop]: Interpolant automaton has 141 states [2018-07-23 13:42:14,470 INFO L132 InterpolantAutomaton]: Constructing interpolant automaton starting with 141 interpolants. [2018-07-23 13:42:14,471 INFO L133 InterpolantAutomaton]: CoverageRelationStatistics Valid=9870, Invalid=9870, Unknown=0, NotChecked=0, Total=19740 [2018-07-23 13:42:14,472 INFO L87 Difference]: Start difference. First operand 142 states and 142 transitions. Second operand 141 states. [2018-07-23 13:42:14,705 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2018-07-23 13:42:14,705 INFO L93 Difference]: Finished difference Result 145 states and 145 transitions. [2018-07-23 13:42:14,705 INFO L142 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 141 states. [2018-07-23 13:42:14,705 INFO L78 Accepts]: Start accepts. Automaton has 141 states. Word has length 141 [2018-07-23 13:42:14,705 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2018-07-23 13:42:14,706 INFO L225 Difference]: With dead ends: 145 [2018-07-23 13:42:14,706 INFO L226 Difference]: Without dead ends: 143 [2018-07-23 13:42:14,707 INFO L575 BasicCegarLoop]: 0 DeclaredPredicates, 140 GetRequests, 1 SyntacticMatches, 0 SemanticMatches, 139 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 0 ImplicationChecksByTransitivity, 0.3s TimeCoverageRelationStatistics Valid=9870, Invalid=9870, Unknown=0, NotChecked=0, Total=19740 [2018-07-23 13:42:14,707 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 143 states. [2018-07-23 13:42:14,709 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 143 to 143. [2018-07-23 13:42:14,709 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 143 states. [2018-07-23 13:42:14,709 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 143 states to 143 states and 143 transitions. [2018-07-23 13:42:14,709 INFO L78 Accepts]: Start accepts. Automaton has 143 states and 143 transitions. Word has length 141 [2018-07-23 13:42:14,709 INFO L84 Accepts]: Finished accepts. word is rejected. [2018-07-23 13:42:14,709 INFO L471 AbstractCegarLoop]: Abstraction has 143 states and 143 transitions. [2018-07-23 13:42:14,709 INFO L472 AbstractCegarLoop]: Interpolant automaton has 141 states. [2018-07-23 13:42:14,710 INFO L276 IsEmpty]: Start isEmpty. Operand 143 states and 143 transitions. [2018-07-23 13:42:14,710 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 143 [2018-07-23 13:42:14,710 INFO L349 BasicCegarLoop]: Found error trace [2018-07-23 13:42:14,710 INFO L357 BasicCegarLoop]: trace histogram [139, 1, 1, 1] [2018-07-23 13:42:14,710 INFO L414 AbstractCegarLoop]: === Iteration 140 === [ULTIMATE.startErr0AssertViolationASSERT]=== [2018-07-23 13:42:14,710 INFO L82 PathProgramCache]: Analyzing trace with hash -1621328184, now seen corresponding path program 139 times [2018-07-23 13:42:14,710 INFO L69 tionRefinementEngine]: Using refinement strategy FixedRefinementStrategy [2018-07-23 13:42:14,721 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-07-23 13:42:15,129 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 13:42:15,129 INFO L309 seRefinementStrategy]: Constructing automaton from 0 perfect and 1 imperfect interpolant sequences. [2018-07-23 13:42:15,130 INFO L324 seRefinementStrategy]: Number of different interpolants: perfect sequences [] imperfect sequences [141] total 141 [2018-07-23 13:42:15,130 INFO L142 lantAutomatonBuilder]: Constructing canonical interpolant automaton, with selfloop in false state [2018-07-23 13:42:15,130 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 13:42:15,130 INFO L185 omatonBuilderFactory]: Interpolants [51718#true, 51719#false, 51720#(<= ULTIMATE.start_main_~x~4 10), 51721#(<= ULTIMATE.start_main_~x~4 12), 51722#(<= ULTIMATE.start_main_~x~4 14), 51723#(<= ULTIMATE.start_main_~x~4 16), 51724#(<= ULTIMATE.start_main_~x~4 18), 51725#(<= ULTIMATE.start_main_~x~4 20), 51726#(<= ULTIMATE.start_main_~x~4 22), 51727#(<= ULTIMATE.start_main_~x~4 24), 51728#(<= ULTIMATE.start_main_~x~4 26), 51729#(<= ULTIMATE.start_main_~x~4 28), 51730#(<= ULTIMATE.start_main_~x~4 30), 51731#(<= ULTIMATE.start_main_~x~4 32), 51732#(<= ULTIMATE.start_main_~x~4 34), 51733#(<= ULTIMATE.start_main_~x~4 36), 51734#(<= ULTIMATE.start_main_~x~4 38), 51735#(<= ULTIMATE.start_main_~x~4 40), 51736#(<= ULTIMATE.start_main_~x~4 42), 51737#(<= ULTIMATE.start_main_~x~4 44), 51738#(<= ULTIMATE.start_main_~x~4 46), 51739#(<= ULTIMATE.start_main_~x~4 48), 51740#(<= ULTIMATE.start_main_~x~4 50), 51741#(<= ULTIMATE.start_main_~x~4 52), 51742#(<= ULTIMATE.start_main_~x~4 54), 51743#(<= ULTIMATE.start_main_~x~4 56), 51744#(<= ULTIMATE.start_main_~x~4 58), 51745#(<= ULTIMATE.start_main_~x~4 60), 51746#(<= ULTIMATE.start_main_~x~4 62), 51747#(<= ULTIMATE.start_main_~x~4 64), 51748#(<= ULTIMATE.start_main_~x~4 66), 51749#(<= ULTIMATE.start_main_~x~4 68), 51750#(<= ULTIMATE.start_main_~x~4 70), 51751#(<= ULTIMATE.start_main_~x~4 72), 51752#(<= ULTIMATE.start_main_~x~4 74), 51753#(<= ULTIMATE.start_main_~x~4 76), 51754#(<= ULTIMATE.start_main_~x~4 78), 51755#(<= ULTIMATE.start_main_~x~4 80), 51756#(<= ULTIMATE.start_main_~x~4 82), 51757#(<= ULTIMATE.start_main_~x~4 84), 51758#(<= ULTIMATE.start_main_~x~4 86), 51759#(<= ULTIMATE.start_main_~x~4 88), 51760#(<= ULTIMATE.start_main_~x~4 90), 51761#(<= ULTIMATE.start_main_~x~4 92), 51762#(<= ULTIMATE.start_main_~x~4 94), 51763#(<= ULTIMATE.start_main_~x~4 96), 51764#(<= ULTIMATE.start_main_~x~4 98), 51765#(<= ULTIMATE.start_main_~x~4 100), 51766#(<= ULTIMATE.start_main_~x~4 102), 51767#(<= ULTIMATE.start_main_~x~4 104), 51768#(<= ULTIMATE.start_main_~x~4 106), 51769#(<= ULTIMATE.start_main_~x~4 108), 51770#(<= ULTIMATE.start_main_~x~4 110), 51771#(<= ULTIMATE.start_main_~x~4 112), 51772#(<= ULTIMATE.start_main_~x~4 114), 51773#(<= ULTIMATE.start_main_~x~4 116), 51774#(<= ULTIMATE.start_main_~x~4 118), 51775#(<= ULTIMATE.start_main_~x~4 120), 51776#(<= ULTIMATE.start_main_~x~4 122), 51777#(<= ULTIMATE.start_main_~x~4 124), 51778#(<= ULTIMATE.start_main_~x~4 126), 51779#(<= ULTIMATE.start_main_~x~4 128), 51780#(<= ULTIMATE.start_main_~x~4 130), 51781#(<= ULTIMATE.start_main_~x~4 132), 51782#(<= ULTIMATE.start_main_~x~4 134), 51783#(<= ULTIMATE.start_main_~x~4 136), 51784#(<= ULTIMATE.start_main_~x~4 138), 51785#(<= ULTIMATE.start_main_~x~4 140), 51786#(<= ULTIMATE.start_main_~x~4 142), 51787#(<= ULTIMATE.start_main_~x~4 144), 51788#(<= ULTIMATE.start_main_~x~4 146), 51789#(<= ULTIMATE.start_main_~x~4 148), 51790#(<= ULTIMATE.start_main_~x~4 150), 51791#(<= ULTIMATE.start_main_~x~4 152), 51792#(<= ULTIMATE.start_main_~x~4 154), 51793#(<= ULTIMATE.start_main_~x~4 156), 51794#(<= ULTIMATE.start_main_~x~4 158), 51795#(<= ULTIMATE.start_main_~x~4 160), 51796#(<= ULTIMATE.start_main_~x~4 162), 51797#(<= ULTIMATE.start_main_~x~4 164), 51798#(<= ULTIMATE.start_main_~x~4 166), 51799#(<= ULTIMATE.start_main_~x~4 168), 51800#(<= ULTIMATE.start_main_~x~4 170), 51801#(<= ULTIMATE.start_main_~x~4 172), 51802#(<= ULTIMATE.start_main_~x~4 174), 51803#(<= ULTIMATE.start_main_~x~4 176), 51804#(<= ULTIMATE.start_main_~x~4 178), 51805#(<= ULTIMATE.start_main_~x~4 180), 51806#(<= ULTIMATE.start_main_~x~4 182), 51807#(<= ULTIMATE.start_main_~x~4 184), 51808#(<= ULTIMATE.start_main_~x~4 186), 51809#(<= ULTIMATE.start_main_~x~4 188), 51810#(<= ULTIMATE.start_main_~x~4 190), 51811#(<= ULTIMATE.start_main_~x~4 192), 51812#(<= ULTIMATE.start_main_~x~4 194), 51813#(<= ULTIMATE.start_main_~x~4 196), 51814#(<= ULTIMATE.start_main_~x~4 198), 51815#(<= ULTIMATE.start_main_~x~4 200), 51816#(<= ULTIMATE.start_main_~x~4 202), 51817#(<= ULTIMATE.start_main_~x~4 204), 51818#(<= ULTIMATE.start_main_~x~4 206), 51819#(<= ULTIMATE.start_main_~x~4 208), 51820#(<= ULTIMATE.start_main_~x~4 210), 51821#(<= ULTIMATE.start_main_~x~4 212), 51822#(<= ULTIMATE.start_main_~x~4 214), 51823#(<= ULTIMATE.start_main_~x~4 216), 51824#(<= ULTIMATE.start_main_~x~4 218), 51825#(<= ULTIMATE.start_main_~x~4 220), 51826#(<= ULTIMATE.start_main_~x~4 222), 51827#(<= ULTIMATE.start_main_~x~4 224), 51828#(<= ULTIMATE.start_main_~x~4 226), 51829#(<= ULTIMATE.start_main_~x~4 228), 51830#(<= ULTIMATE.start_main_~x~4 230), 51831#(<= ULTIMATE.start_main_~x~4 232), 51832#(<= ULTIMATE.start_main_~x~4 234), 51833#(<= ULTIMATE.start_main_~x~4 236), 51834#(<= ULTIMATE.start_main_~x~4 238), 51835#(<= ULTIMATE.start_main_~x~4 240), 51836#(<= ULTIMATE.start_main_~x~4 242), 51837#(<= ULTIMATE.start_main_~x~4 244), 51838#(<= ULTIMATE.start_main_~x~4 246), 51839#(<= ULTIMATE.start_main_~x~4 248), 51840#(<= ULTIMATE.start_main_~x~4 250), 51841#(<= ULTIMATE.start_main_~x~4 252), 51842#(<= ULTIMATE.start_main_~x~4 254), 51843#(<= ULTIMATE.start_main_~x~4 256), 51844#(<= ULTIMATE.start_main_~x~4 258), 51845#(<= ULTIMATE.start_main_~x~4 260), 51846#(<= ULTIMATE.start_main_~x~4 262), 51847#(<= ULTIMATE.start_main_~x~4 264), 51848#(<= ULTIMATE.start_main_~x~4 266), 51849#(<= ULTIMATE.start_main_~x~4 268), 51850#(<= ULTIMATE.start_main_~x~4 270), 51851#(<= ULTIMATE.start_main_~x~4 272), 51852#(<= ULTIMATE.start_main_~x~4 274), 51853#(<= ULTIMATE.start_main_~x~4 276), 51854#(<= ULTIMATE.start_main_~x~4 278), 51855#(<= ULTIMATE.start_main_~x~4 280), 51856#(<= ULTIMATE.start_main_~x~4 282), 51857#(<= ULTIMATE.start_main_~x~4 284), 51858#(<= ULTIMATE.start_main_~x~4 286), 51859#(<= ULTIMATE.start_main_~x~4 288)] [2018-07-23 13:42:15,131 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 13:42:15,131 INFO L450 AbstractCegarLoop]: Interpolant automaton has 142 states [2018-07-23 13:42:15,133 INFO L132 InterpolantAutomaton]: Constructing interpolant automaton starting with 142 interpolants. [2018-07-23 13:42:15,134 INFO L133 InterpolantAutomaton]: CoverageRelationStatistics Valid=10011, Invalid=10011, Unknown=0, NotChecked=0, Total=20022 [2018-07-23 13:42:15,134 INFO L87 Difference]: Start difference. First operand 143 states and 143 transitions. Second operand 142 states. [2018-07-23 13:42:15,421 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2018-07-23 13:42:15,421 INFO L93 Difference]: Finished difference Result 146 states and 146 transitions. [2018-07-23 13:42:15,421 INFO L142 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 142 states. [2018-07-23 13:42:15,421 INFO L78 Accepts]: Start accepts. Automaton has 142 states. Word has length 142 [2018-07-23 13:42:15,421 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2018-07-23 13:42:15,422 INFO L225 Difference]: With dead ends: 146 [2018-07-23 13:42:15,422 INFO L226 Difference]: Without dead ends: 144 [2018-07-23 13:42:15,423 INFO L575 BasicCegarLoop]: 0 DeclaredPredicates, 141 GetRequests, 1 SyntacticMatches, 0 SemanticMatches, 140 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 0 ImplicationChecksByTransitivity, 0.3s TimeCoverageRelationStatistics Valid=10011, Invalid=10011, Unknown=0, NotChecked=0, Total=20022 [2018-07-23 13:42:15,423 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 144 states. [2018-07-23 13:42:15,425 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 144 to 144. [2018-07-23 13:42:15,425 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 144 states. [2018-07-23 13:42:15,425 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 144 states to 144 states and 144 transitions. [2018-07-23 13:42:15,425 INFO L78 Accepts]: Start accepts. Automaton has 144 states and 144 transitions. Word has length 142 [2018-07-23 13:42:15,425 INFO L84 Accepts]: Finished accepts. word is rejected. [2018-07-23 13:42:15,425 INFO L471 AbstractCegarLoop]: Abstraction has 144 states and 144 transitions. [2018-07-23 13:42:15,425 INFO L472 AbstractCegarLoop]: Interpolant automaton has 142 states. [2018-07-23 13:42:15,425 INFO L276 IsEmpty]: Start isEmpty. Operand 144 states and 144 transitions. [2018-07-23 13:42:15,426 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 144 [2018-07-23 13:42:15,426 INFO L349 BasicCegarLoop]: Found error trace [2018-07-23 13:42:15,426 INFO L357 BasicCegarLoop]: trace histogram [140, 1, 1, 1] [2018-07-23 13:42:15,426 INFO L414 AbstractCegarLoop]: === Iteration 141 === [ULTIMATE.startErr0AssertViolationASSERT]=== [2018-07-23 13:42:15,426 INFO L82 PathProgramCache]: Analyzing trace with hash 1278431873, now seen corresponding path program 140 times [2018-07-23 13:42:15,426 INFO L69 tionRefinementEngine]: Using refinement strategy FixedRefinementStrategy [2018-07-23 13:42:15,437 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-07-23 13:42:15,863 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 13:42:15,864 INFO L309 seRefinementStrategy]: Constructing automaton from 0 perfect and 1 imperfect interpolant sequences. [2018-07-23 13:42:15,864 INFO L324 seRefinementStrategy]: Number of different interpolants: perfect sequences [] imperfect sequences [142] total 142 [2018-07-23 13:42:15,864 INFO L142 lantAutomatonBuilder]: Constructing canonical interpolant automaton, with selfloop in false state [2018-07-23 13:42:15,864 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2018-07-23 13:42:15,864 INFO L185 omatonBuilderFactory]: Interpolants [52480#(<= ULTIMATE.start_main_~x~4 86), 52481#(<= ULTIMATE.start_main_~x~4 88), 52482#(<= ULTIMATE.start_main_~x~4 90), 52483#(<= ULTIMATE.start_main_~x~4 92), 52484#(<= ULTIMATE.start_main_~x~4 94), 52485#(<= ULTIMATE.start_main_~x~4 96), 52486#(<= ULTIMATE.start_main_~x~4 98), 52487#(<= ULTIMATE.start_main_~x~4 100), 52488#(<= ULTIMATE.start_main_~x~4 102), 52489#(<= ULTIMATE.start_main_~x~4 104), 52490#(<= ULTIMATE.start_main_~x~4 106), 52491#(<= ULTIMATE.start_main_~x~4 108), 52492#(<= ULTIMATE.start_main_~x~4 110), 52493#(<= ULTIMATE.start_main_~x~4 112), 52494#(<= ULTIMATE.start_main_~x~4 114), 52495#(<= ULTIMATE.start_main_~x~4 116), 52496#(<= ULTIMATE.start_main_~x~4 118), 52497#(<= ULTIMATE.start_main_~x~4 120), 52498#(<= ULTIMATE.start_main_~x~4 122), 52499#(<= ULTIMATE.start_main_~x~4 124), 52500#(<= ULTIMATE.start_main_~x~4 126), 52501#(<= ULTIMATE.start_main_~x~4 128), 52502#(<= ULTIMATE.start_main_~x~4 130), 52503#(<= ULTIMATE.start_main_~x~4 132), 52504#(<= ULTIMATE.start_main_~x~4 134), 52505#(<= ULTIMATE.start_main_~x~4 136), 52506#(<= ULTIMATE.start_main_~x~4 138), 52507#(<= ULTIMATE.start_main_~x~4 140), 52508#(<= ULTIMATE.start_main_~x~4 142), 52509#(<= ULTIMATE.start_main_~x~4 144), 52510#(<= ULTIMATE.start_main_~x~4 146), 52511#(<= ULTIMATE.start_main_~x~4 148), 52512#(<= ULTIMATE.start_main_~x~4 150), 52513#(<= ULTIMATE.start_main_~x~4 152), 52514#(<= ULTIMATE.start_main_~x~4 154), 52515#(<= ULTIMATE.start_main_~x~4 156), 52516#(<= ULTIMATE.start_main_~x~4 158), 52517#(<= ULTIMATE.start_main_~x~4 160), 52518#(<= ULTIMATE.start_main_~x~4 162), 52519#(<= ULTIMATE.start_main_~x~4 164), 52520#(<= ULTIMATE.start_main_~x~4 166), 52521#(<= ULTIMATE.start_main_~x~4 168), 52522#(<= ULTIMATE.start_main_~x~4 170), 52523#(<= ULTIMATE.start_main_~x~4 172), 52524#(<= ULTIMATE.start_main_~x~4 174), 52525#(<= ULTIMATE.start_main_~x~4 176), 52526#(<= ULTIMATE.start_main_~x~4 178), 52527#(<= ULTIMATE.start_main_~x~4 180), 52528#(<= ULTIMATE.start_main_~x~4 182), 52529#(<= ULTIMATE.start_main_~x~4 184), 52530#(<= ULTIMATE.start_main_~x~4 186), 52531#(<= ULTIMATE.start_main_~x~4 188), 52532#(<= ULTIMATE.start_main_~x~4 190), 52533#(<= ULTIMATE.start_main_~x~4 192), 52534#(<= ULTIMATE.start_main_~x~4 194), 52535#(<= ULTIMATE.start_main_~x~4 196), 52536#(<= ULTIMATE.start_main_~x~4 198), 52537#(<= ULTIMATE.start_main_~x~4 200), 52538#(<= ULTIMATE.start_main_~x~4 202), 52539#(<= ULTIMATE.start_main_~x~4 204), 52540#(<= ULTIMATE.start_main_~x~4 206), 52541#(<= ULTIMATE.start_main_~x~4 208), 52542#(<= ULTIMATE.start_main_~x~4 210), 52543#(<= ULTIMATE.start_main_~x~4 212), 52544#(<= ULTIMATE.start_main_~x~4 214), 52545#(<= ULTIMATE.start_main_~x~4 216), 52546#(<= ULTIMATE.start_main_~x~4 218), 52547#(<= ULTIMATE.start_main_~x~4 220), 52548#(<= ULTIMATE.start_main_~x~4 222), 52549#(<= ULTIMATE.start_main_~x~4 224), 52550#(<= ULTIMATE.start_main_~x~4 226), 52551#(<= ULTIMATE.start_main_~x~4 228), 52552#(<= ULTIMATE.start_main_~x~4 230), 52553#(<= ULTIMATE.start_main_~x~4 232), 52554#(<= ULTIMATE.start_main_~x~4 234), 52555#(<= ULTIMATE.start_main_~x~4 236), 52556#(<= ULTIMATE.start_main_~x~4 238), 52557#(<= ULTIMATE.start_main_~x~4 240), 52558#(<= ULTIMATE.start_main_~x~4 242), 52559#(<= ULTIMATE.start_main_~x~4 244), 52560#(<= ULTIMATE.start_main_~x~4 246), 52561#(<= ULTIMATE.start_main_~x~4 248), 52562#(<= ULTIMATE.start_main_~x~4 250), 52563#(<= ULTIMATE.start_main_~x~4 252), 52564#(<= ULTIMATE.start_main_~x~4 254), 52565#(<= ULTIMATE.start_main_~x~4 256), 52566#(<= ULTIMATE.start_main_~x~4 258), 52567#(<= ULTIMATE.start_main_~x~4 260), 52568#(<= ULTIMATE.start_main_~x~4 262), 52569#(<= ULTIMATE.start_main_~x~4 264), 52570#(<= ULTIMATE.start_main_~x~4 266), 52571#(<= ULTIMATE.start_main_~x~4 268), 52572#(<= ULTIMATE.start_main_~x~4 270), 52573#(<= ULTIMATE.start_main_~x~4 272), 52574#(<= ULTIMATE.start_main_~x~4 274), 52575#(<= ULTIMATE.start_main_~x~4 276), 52576#(<= ULTIMATE.start_main_~x~4 278), 52577#(<= ULTIMATE.start_main_~x~4 280), 52578#(<= ULTIMATE.start_main_~x~4 282), 52579#(<= ULTIMATE.start_main_~x~4 284), 52580#(<= ULTIMATE.start_main_~x~4 286), 52581#(<= ULTIMATE.start_main_~x~4 288), 52582#(<= ULTIMATE.start_main_~x~4 290), 52440#true, 52441#false, 52442#(<= ULTIMATE.start_main_~x~4 10), 52443#(<= ULTIMATE.start_main_~x~4 12), 52444#(<= ULTIMATE.start_main_~x~4 14), 52445#(<= ULTIMATE.start_main_~x~4 16), 52446#(<= ULTIMATE.start_main_~x~4 18), 52447#(<= ULTIMATE.start_main_~x~4 20), 52448#(<= ULTIMATE.start_main_~x~4 22), 52449#(<= ULTIMATE.start_main_~x~4 24), 52450#(<= ULTIMATE.start_main_~x~4 26), 52451#(<= ULTIMATE.start_main_~x~4 28), 52452#(<= ULTIMATE.start_main_~x~4 30), 52453#(<= ULTIMATE.start_main_~x~4 32), 52454#(<= ULTIMATE.start_main_~x~4 34), 52455#(<= ULTIMATE.start_main_~x~4 36), 52456#(<= ULTIMATE.start_main_~x~4 38), 52457#(<= ULTIMATE.start_main_~x~4 40), 52458#(<= ULTIMATE.start_main_~x~4 42), 52459#(<= ULTIMATE.start_main_~x~4 44), 52460#(<= ULTIMATE.start_main_~x~4 46), 52461#(<= ULTIMATE.start_main_~x~4 48), 52462#(<= ULTIMATE.start_main_~x~4 50), 52463#(<= ULTIMATE.start_main_~x~4 52), 52464#(<= ULTIMATE.start_main_~x~4 54), 52465#(<= ULTIMATE.start_main_~x~4 56), 52466#(<= ULTIMATE.start_main_~x~4 58), 52467#(<= ULTIMATE.start_main_~x~4 60), 52468#(<= ULTIMATE.start_main_~x~4 62), 52469#(<= ULTIMATE.start_main_~x~4 64), 52470#(<= ULTIMATE.start_main_~x~4 66), 52471#(<= ULTIMATE.start_main_~x~4 68), 52472#(<= ULTIMATE.start_main_~x~4 70), 52473#(<= ULTIMATE.start_main_~x~4 72), 52474#(<= ULTIMATE.start_main_~x~4 74), 52475#(<= ULTIMATE.start_main_~x~4 76), 52476#(<= ULTIMATE.start_main_~x~4 78), 52477#(<= ULTIMATE.start_main_~x~4 80), 52478#(<= ULTIMATE.start_main_~x~4 82), 52479#(<= ULTIMATE.start_main_~x~4 84)] [2018-07-23 13:42:15,865 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 13:42:15,865 INFO L450 AbstractCegarLoop]: Interpolant automaton has 143 states [2018-07-23 13:42:15,867 INFO L132 InterpolantAutomaton]: Constructing interpolant automaton starting with 143 interpolants. [2018-07-23 13:42:15,867 INFO L133 InterpolantAutomaton]: CoverageRelationStatistics Valid=10153, Invalid=10153, Unknown=0, NotChecked=0, Total=20306 [2018-07-23 13:42:15,868 INFO L87 Difference]: Start difference. First operand 144 states and 144 transitions. Second operand 143 states. [2018-07-23 13:42:16,057 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2018-07-23 13:42:16,058 INFO L93 Difference]: Finished difference Result 147 states and 147 transitions. [2018-07-23 13:42:16,058 INFO L142 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 143 states. [2018-07-23 13:42:16,058 INFO L78 Accepts]: Start accepts. Automaton has 143 states. Word has length 143 [2018-07-23 13:42:16,058 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2018-07-23 13:42:16,058 INFO L225 Difference]: With dead ends: 147 [2018-07-23 13:42:16,058 INFO L226 Difference]: Without dead ends: 145 [2018-07-23 13:42:16,060 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 13:42:16,060 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 145 states. [2018-07-23 13:42:16,061 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 145 to 145. [2018-07-23 13:42:16,061 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 145 states. [2018-07-23 13:42:16,062 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 145 states to 145 states and 145 transitions. [2018-07-23 13:42:16,062 INFO L78 Accepts]: Start accepts. Automaton has 145 states and 145 transitions. Word has length 143 [2018-07-23 13:42:16,062 INFO L84 Accepts]: Finished accepts. word is rejected. [2018-07-23 13:42:16,062 INFO L471 AbstractCegarLoop]: Abstraction has 145 states and 145 transitions. [2018-07-23 13:42:16,062 INFO L472 AbstractCegarLoop]: Interpolant automaton has 143 states. [2018-07-23 13:42:16,062 INFO L276 IsEmpty]: Start isEmpty. Operand 145 states and 145 transitions. [2018-07-23 13:42:16,062 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 145 [2018-07-23 13:42:16,063 INFO L349 BasicCegarLoop]: Found error trace [2018-07-23 13:42:16,063 INFO L357 BasicCegarLoop]: trace histogram [141, 1, 1, 1] [2018-07-23 13:42:16,063 INFO L414 AbstractCegarLoop]: === Iteration 142 === [ULTIMATE.startErr0AssertViolationASSERT]=== [2018-07-23 13:42:16,063 INFO L82 PathProgramCache]: Analyzing trace with hash 976680424, now seen corresponding path program 141 times [2018-07-23 13:42:16,063 INFO L69 tionRefinementEngine]: Using refinement strategy FixedRefinementStrategy [2018-07-23 13:42:16,075 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-07-23 13:42:16,513 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 13:42:16,514 INFO L309 seRefinementStrategy]: Constructing automaton from 0 perfect and 1 imperfect interpolant sequences. [2018-07-23 13:42:16,514 INFO L324 seRefinementStrategy]: Number of different interpolants: perfect sequences [] imperfect sequences [143] total 143 [2018-07-23 13:42:16,514 INFO L142 lantAutomatonBuilder]: Constructing canonical interpolant automaton, with selfloop in false state [2018-07-23 13:42:16,514 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2018-07-23 13:42:16,514 INFO L185 omatonBuilderFactory]: Interpolants [53248#(<= ULTIMATE.start_main_~x~4 168), 53249#(<= ULTIMATE.start_main_~x~4 170), 53250#(<= ULTIMATE.start_main_~x~4 172), 53251#(<= ULTIMATE.start_main_~x~4 174), 53252#(<= ULTIMATE.start_main_~x~4 176), 53253#(<= ULTIMATE.start_main_~x~4 178), 53254#(<= ULTIMATE.start_main_~x~4 180), 53255#(<= ULTIMATE.start_main_~x~4 182), 53256#(<= ULTIMATE.start_main_~x~4 184), 53257#(<= ULTIMATE.start_main_~x~4 186), 53258#(<= ULTIMATE.start_main_~x~4 188), 53259#(<= ULTIMATE.start_main_~x~4 190), 53260#(<= ULTIMATE.start_main_~x~4 192), 53261#(<= ULTIMATE.start_main_~x~4 194), 53262#(<= ULTIMATE.start_main_~x~4 196), 53263#(<= ULTIMATE.start_main_~x~4 198), 53264#(<= ULTIMATE.start_main_~x~4 200), 53265#(<= ULTIMATE.start_main_~x~4 202), 53266#(<= ULTIMATE.start_main_~x~4 204), 53267#(<= ULTIMATE.start_main_~x~4 206), 53268#(<= ULTIMATE.start_main_~x~4 208), 53269#(<= ULTIMATE.start_main_~x~4 210), 53270#(<= ULTIMATE.start_main_~x~4 212), 53271#(<= ULTIMATE.start_main_~x~4 214), 53272#(<= ULTIMATE.start_main_~x~4 216), 53273#(<= ULTIMATE.start_main_~x~4 218), 53274#(<= ULTIMATE.start_main_~x~4 220), 53275#(<= ULTIMATE.start_main_~x~4 222), 53276#(<= ULTIMATE.start_main_~x~4 224), 53277#(<= ULTIMATE.start_main_~x~4 226), 53278#(<= ULTIMATE.start_main_~x~4 228), 53279#(<= ULTIMATE.start_main_~x~4 230), 53280#(<= ULTIMATE.start_main_~x~4 232), 53281#(<= ULTIMATE.start_main_~x~4 234), 53282#(<= ULTIMATE.start_main_~x~4 236), 53283#(<= ULTIMATE.start_main_~x~4 238), 53284#(<= ULTIMATE.start_main_~x~4 240), 53285#(<= ULTIMATE.start_main_~x~4 242), 53286#(<= ULTIMATE.start_main_~x~4 244), 53287#(<= ULTIMATE.start_main_~x~4 246), 53288#(<= ULTIMATE.start_main_~x~4 248), 53289#(<= ULTIMATE.start_main_~x~4 250), 53290#(<= ULTIMATE.start_main_~x~4 252), 53291#(<= ULTIMATE.start_main_~x~4 254), 53292#(<= ULTIMATE.start_main_~x~4 256), 53293#(<= ULTIMATE.start_main_~x~4 258), 53294#(<= ULTIMATE.start_main_~x~4 260), 53295#(<= ULTIMATE.start_main_~x~4 262), 53296#(<= ULTIMATE.start_main_~x~4 264), 53297#(<= ULTIMATE.start_main_~x~4 266), 53298#(<= ULTIMATE.start_main_~x~4 268), 53299#(<= ULTIMATE.start_main_~x~4 270), 53300#(<= ULTIMATE.start_main_~x~4 272), 53301#(<= ULTIMATE.start_main_~x~4 274), 53302#(<= ULTIMATE.start_main_~x~4 276), 53303#(<= ULTIMATE.start_main_~x~4 278), 53304#(<= ULTIMATE.start_main_~x~4 280), 53305#(<= ULTIMATE.start_main_~x~4 282), 53306#(<= ULTIMATE.start_main_~x~4 284), 53307#(<= ULTIMATE.start_main_~x~4 286), 53308#(<= ULTIMATE.start_main_~x~4 288), 53309#(<= ULTIMATE.start_main_~x~4 290), 53310#(<= ULTIMATE.start_main_~x~4 292), 53167#true, 53168#false, 53169#(<= ULTIMATE.start_main_~x~4 10), 53170#(<= ULTIMATE.start_main_~x~4 12), 53171#(<= ULTIMATE.start_main_~x~4 14), 53172#(<= ULTIMATE.start_main_~x~4 16), 53173#(<= ULTIMATE.start_main_~x~4 18), 53174#(<= ULTIMATE.start_main_~x~4 20), 53175#(<= ULTIMATE.start_main_~x~4 22), 53176#(<= ULTIMATE.start_main_~x~4 24), 53177#(<= ULTIMATE.start_main_~x~4 26), 53178#(<= ULTIMATE.start_main_~x~4 28), 53179#(<= ULTIMATE.start_main_~x~4 30), 53180#(<= ULTIMATE.start_main_~x~4 32), 53181#(<= ULTIMATE.start_main_~x~4 34), 53182#(<= ULTIMATE.start_main_~x~4 36), 53183#(<= ULTIMATE.start_main_~x~4 38), 53184#(<= ULTIMATE.start_main_~x~4 40), 53185#(<= ULTIMATE.start_main_~x~4 42), 53186#(<= ULTIMATE.start_main_~x~4 44), 53187#(<= ULTIMATE.start_main_~x~4 46), 53188#(<= ULTIMATE.start_main_~x~4 48), 53189#(<= ULTIMATE.start_main_~x~4 50), 53190#(<= ULTIMATE.start_main_~x~4 52), 53191#(<= ULTIMATE.start_main_~x~4 54), 53192#(<= ULTIMATE.start_main_~x~4 56), 53193#(<= ULTIMATE.start_main_~x~4 58), 53194#(<= ULTIMATE.start_main_~x~4 60), 53195#(<= ULTIMATE.start_main_~x~4 62), 53196#(<= ULTIMATE.start_main_~x~4 64), 53197#(<= ULTIMATE.start_main_~x~4 66), 53198#(<= ULTIMATE.start_main_~x~4 68), 53199#(<= ULTIMATE.start_main_~x~4 70), 53200#(<= ULTIMATE.start_main_~x~4 72), 53201#(<= ULTIMATE.start_main_~x~4 74), 53202#(<= ULTIMATE.start_main_~x~4 76), 53203#(<= ULTIMATE.start_main_~x~4 78), 53204#(<= ULTIMATE.start_main_~x~4 80), 53205#(<= ULTIMATE.start_main_~x~4 82), 53206#(<= ULTIMATE.start_main_~x~4 84), 53207#(<= ULTIMATE.start_main_~x~4 86), 53208#(<= ULTIMATE.start_main_~x~4 88), 53209#(<= ULTIMATE.start_main_~x~4 90), 53210#(<= ULTIMATE.start_main_~x~4 92), 53211#(<= ULTIMATE.start_main_~x~4 94), 53212#(<= ULTIMATE.start_main_~x~4 96), 53213#(<= ULTIMATE.start_main_~x~4 98), 53214#(<= ULTIMATE.start_main_~x~4 100), 53215#(<= ULTIMATE.start_main_~x~4 102), 53216#(<= ULTIMATE.start_main_~x~4 104), 53217#(<= ULTIMATE.start_main_~x~4 106), 53218#(<= ULTIMATE.start_main_~x~4 108), 53219#(<= ULTIMATE.start_main_~x~4 110), 53220#(<= ULTIMATE.start_main_~x~4 112), 53221#(<= ULTIMATE.start_main_~x~4 114), 53222#(<= ULTIMATE.start_main_~x~4 116), 53223#(<= ULTIMATE.start_main_~x~4 118), 53224#(<= ULTIMATE.start_main_~x~4 120), 53225#(<= ULTIMATE.start_main_~x~4 122), 53226#(<= ULTIMATE.start_main_~x~4 124), 53227#(<= ULTIMATE.start_main_~x~4 126), 53228#(<= ULTIMATE.start_main_~x~4 128), 53229#(<= ULTIMATE.start_main_~x~4 130), 53230#(<= ULTIMATE.start_main_~x~4 132), 53231#(<= ULTIMATE.start_main_~x~4 134), 53232#(<= ULTIMATE.start_main_~x~4 136), 53233#(<= ULTIMATE.start_main_~x~4 138), 53234#(<= ULTIMATE.start_main_~x~4 140), 53235#(<= ULTIMATE.start_main_~x~4 142), 53236#(<= ULTIMATE.start_main_~x~4 144), 53237#(<= ULTIMATE.start_main_~x~4 146), 53238#(<= ULTIMATE.start_main_~x~4 148), 53239#(<= ULTIMATE.start_main_~x~4 150), 53240#(<= ULTIMATE.start_main_~x~4 152), 53241#(<= ULTIMATE.start_main_~x~4 154), 53242#(<= ULTIMATE.start_main_~x~4 156), 53243#(<= ULTIMATE.start_main_~x~4 158), 53244#(<= ULTIMATE.start_main_~x~4 160), 53245#(<= ULTIMATE.start_main_~x~4 162), 53246#(<= ULTIMATE.start_main_~x~4 164), 53247#(<= ULTIMATE.start_main_~x~4 166)] [2018-07-23 13:42:16,515 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 13:42:16,515 INFO L450 AbstractCegarLoop]: Interpolant automaton has 144 states [2018-07-23 13:42:16,517 INFO L132 InterpolantAutomaton]: Constructing interpolant automaton starting with 144 interpolants. [2018-07-23 13:42:16,518 INFO L133 InterpolantAutomaton]: CoverageRelationStatistics Valid=10296, Invalid=10296, Unknown=0, NotChecked=0, Total=20592 [2018-07-23 13:42:16,518 INFO L87 Difference]: Start difference. First operand 145 states and 145 transitions. Second operand 144 states. [2018-07-23 13:42:16,613 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2018-07-23 13:42:16,613 INFO L93 Difference]: Finished difference Result 148 states and 148 transitions. [2018-07-23 13:42:16,613 INFO L142 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 144 states. [2018-07-23 13:42:16,614 INFO L78 Accepts]: Start accepts. Automaton has 144 states. Word has length 144 [2018-07-23 13:42:16,614 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2018-07-23 13:42:16,614 INFO L225 Difference]: With dead ends: 148 [2018-07-23 13:42:16,614 INFO L226 Difference]: Without dead ends: 146 [2018-07-23 13:42:16,615 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 13:42:16,616 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 146 states. [2018-07-23 13:42:16,618 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 146 to 146. [2018-07-23 13:42:16,618 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 146 states. [2018-07-23 13:42:16,618 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 146 states to 146 states and 146 transitions. [2018-07-23 13:42:16,619 INFO L78 Accepts]: Start accepts. Automaton has 146 states and 146 transitions. Word has length 144 [2018-07-23 13:42:16,619 INFO L84 Accepts]: Finished accepts. word is rejected. [2018-07-23 13:42:16,619 INFO L471 AbstractCegarLoop]: Abstraction has 146 states and 146 transitions. [2018-07-23 13:42:16,619 INFO L472 AbstractCegarLoop]: Interpolant automaton has 144 states. [2018-07-23 13:42:16,619 INFO L276 IsEmpty]: Start isEmpty. Operand 146 states and 146 transitions. [2018-07-23 13:42:16,619 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 146 [2018-07-23 13:42:16,619 INFO L349 BasicCegarLoop]: Found error trace [2018-07-23 13:42:16,620 INFO L357 BasicCegarLoop]: trace histogram [142, 1, 1, 1] [2018-07-23 13:42:16,620 INFO L414 AbstractCegarLoop]: === Iteration 143 === [ULTIMATE.startErr0AssertViolationASSERT]=== [2018-07-23 13:42:16,620 INFO L82 PathProgramCache]: Analyzing trace with hash 212320097, now seen corresponding path program 142 times [2018-07-23 13:42:16,620 INFO L69 tionRefinementEngine]: Using refinement strategy FixedRefinementStrategy [2018-07-23 13:42:16,633 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-07-23 13:42:17,529 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 13:42:17,529 INFO L309 seRefinementStrategy]: Constructing automaton from 0 perfect and 1 imperfect interpolant sequences. [2018-07-23 13:42:17,529 INFO L324 seRefinementStrategy]: Number of different interpolants: perfect sequences [] imperfect sequences [144] total 144 [2018-07-23 13:42:17,529 INFO L142 lantAutomatonBuilder]: Constructing canonical interpolant automaton, with selfloop in false state [2018-07-23 13:42:17,530 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2018-07-23 13:42:17,530 INFO L185 omatonBuilderFactory]: Interpolants [54016#(<= ULTIMATE.start_main_~x~4 240), 54017#(<= ULTIMATE.start_main_~x~4 242), 54018#(<= ULTIMATE.start_main_~x~4 244), 54019#(<= ULTIMATE.start_main_~x~4 246), 54020#(<= ULTIMATE.start_main_~x~4 248), 54021#(<= ULTIMATE.start_main_~x~4 250), 54022#(<= ULTIMATE.start_main_~x~4 252), 54023#(<= ULTIMATE.start_main_~x~4 254), 54024#(<= ULTIMATE.start_main_~x~4 256), 54025#(<= ULTIMATE.start_main_~x~4 258), 54026#(<= ULTIMATE.start_main_~x~4 260), 54027#(<= ULTIMATE.start_main_~x~4 262), 54028#(<= ULTIMATE.start_main_~x~4 264), 54029#(<= ULTIMATE.start_main_~x~4 266), 54030#(<= ULTIMATE.start_main_~x~4 268), 54031#(<= ULTIMATE.start_main_~x~4 270), 54032#(<= ULTIMATE.start_main_~x~4 272), 54033#(<= ULTIMATE.start_main_~x~4 274), 54034#(<= ULTIMATE.start_main_~x~4 276), 54035#(<= ULTIMATE.start_main_~x~4 278), 54036#(<= ULTIMATE.start_main_~x~4 280), 54037#(<= ULTIMATE.start_main_~x~4 282), 54038#(<= ULTIMATE.start_main_~x~4 284), 54039#(<= ULTIMATE.start_main_~x~4 286), 54040#(<= ULTIMATE.start_main_~x~4 288), 54041#(<= ULTIMATE.start_main_~x~4 290), 54042#(<= ULTIMATE.start_main_~x~4 292), 54043#(<= ULTIMATE.start_main_~x~4 294), 53899#true, 53900#false, 53901#(<= ULTIMATE.start_main_~x~4 10), 53902#(<= ULTIMATE.start_main_~x~4 12), 53903#(<= ULTIMATE.start_main_~x~4 14), 53904#(<= ULTIMATE.start_main_~x~4 16), 53905#(<= ULTIMATE.start_main_~x~4 18), 53906#(<= ULTIMATE.start_main_~x~4 20), 53907#(<= ULTIMATE.start_main_~x~4 22), 53908#(<= ULTIMATE.start_main_~x~4 24), 53909#(<= ULTIMATE.start_main_~x~4 26), 53910#(<= ULTIMATE.start_main_~x~4 28), 53911#(<= ULTIMATE.start_main_~x~4 30), 53912#(<= ULTIMATE.start_main_~x~4 32), 53913#(<= ULTIMATE.start_main_~x~4 34), 53914#(<= ULTIMATE.start_main_~x~4 36), 53915#(<= ULTIMATE.start_main_~x~4 38), 53916#(<= ULTIMATE.start_main_~x~4 40), 53917#(<= ULTIMATE.start_main_~x~4 42), 53918#(<= ULTIMATE.start_main_~x~4 44), 53919#(<= ULTIMATE.start_main_~x~4 46), 53920#(<= ULTIMATE.start_main_~x~4 48), 53921#(<= ULTIMATE.start_main_~x~4 50), 53922#(<= ULTIMATE.start_main_~x~4 52), 53923#(<= ULTIMATE.start_main_~x~4 54), 53924#(<= ULTIMATE.start_main_~x~4 56), 53925#(<= ULTIMATE.start_main_~x~4 58), 53926#(<= ULTIMATE.start_main_~x~4 60), 53927#(<= ULTIMATE.start_main_~x~4 62), 53928#(<= ULTIMATE.start_main_~x~4 64), 53929#(<= ULTIMATE.start_main_~x~4 66), 53930#(<= ULTIMATE.start_main_~x~4 68), 53931#(<= ULTIMATE.start_main_~x~4 70), 53932#(<= ULTIMATE.start_main_~x~4 72), 53933#(<= ULTIMATE.start_main_~x~4 74), 53934#(<= ULTIMATE.start_main_~x~4 76), 53935#(<= ULTIMATE.start_main_~x~4 78), 53936#(<= ULTIMATE.start_main_~x~4 80), 53937#(<= ULTIMATE.start_main_~x~4 82), 53938#(<= ULTIMATE.start_main_~x~4 84), 53939#(<= ULTIMATE.start_main_~x~4 86), 53940#(<= ULTIMATE.start_main_~x~4 88), 53941#(<= ULTIMATE.start_main_~x~4 90), 53942#(<= ULTIMATE.start_main_~x~4 92), 53943#(<= ULTIMATE.start_main_~x~4 94), 53944#(<= ULTIMATE.start_main_~x~4 96), 53945#(<= ULTIMATE.start_main_~x~4 98), 53946#(<= ULTIMATE.start_main_~x~4 100), 53947#(<= ULTIMATE.start_main_~x~4 102), 53948#(<= ULTIMATE.start_main_~x~4 104), 53949#(<= ULTIMATE.start_main_~x~4 106), 53950#(<= ULTIMATE.start_main_~x~4 108), 53951#(<= ULTIMATE.start_main_~x~4 110), 53952#(<= ULTIMATE.start_main_~x~4 112), 53953#(<= ULTIMATE.start_main_~x~4 114), 53954#(<= ULTIMATE.start_main_~x~4 116), 53955#(<= ULTIMATE.start_main_~x~4 118), 53956#(<= ULTIMATE.start_main_~x~4 120), 53957#(<= ULTIMATE.start_main_~x~4 122), 53958#(<= ULTIMATE.start_main_~x~4 124), 53959#(<= ULTIMATE.start_main_~x~4 126), 53960#(<= ULTIMATE.start_main_~x~4 128), 53961#(<= ULTIMATE.start_main_~x~4 130), 53962#(<= ULTIMATE.start_main_~x~4 132), 53963#(<= ULTIMATE.start_main_~x~4 134), 53964#(<= ULTIMATE.start_main_~x~4 136), 53965#(<= ULTIMATE.start_main_~x~4 138), 53966#(<= ULTIMATE.start_main_~x~4 140), 53967#(<= ULTIMATE.start_main_~x~4 142), 53968#(<= ULTIMATE.start_main_~x~4 144), 53969#(<= ULTIMATE.start_main_~x~4 146), 53970#(<= ULTIMATE.start_main_~x~4 148), 53971#(<= ULTIMATE.start_main_~x~4 150), 53972#(<= ULTIMATE.start_main_~x~4 152), 53973#(<= ULTIMATE.start_main_~x~4 154), 53974#(<= ULTIMATE.start_main_~x~4 156), 53975#(<= ULTIMATE.start_main_~x~4 158), 53976#(<= ULTIMATE.start_main_~x~4 160), 53977#(<= ULTIMATE.start_main_~x~4 162), 53978#(<= ULTIMATE.start_main_~x~4 164), 53979#(<= ULTIMATE.start_main_~x~4 166), 53980#(<= ULTIMATE.start_main_~x~4 168), 53981#(<= ULTIMATE.start_main_~x~4 170), 53982#(<= ULTIMATE.start_main_~x~4 172), 53983#(<= ULTIMATE.start_main_~x~4 174), 53984#(<= ULTIMATE.start_main_~x~4 176), 53985#(<= ULTIMATE.start_main_~x~4 178), 53986#(<= ULTIMATE.start_main_~x~4 180), 53987#(<= ULTIMATE.start_main_~x~4 182), 53988#(<= ULTIMATE.start_main_~x~4 184), 53989#(<= ULTIMATE.start_main_~x~4 186), 53990#(<= ULTIMATE.start_main_~x~4 188), 53991#(<= ULTIMATE.start_main_~x~4 190), 53992#(<= ULTIMATE.start_main_~x~4 192), 53993#(<= ULTIMATE.start_main_~x~4 194), 53994#(<= ULTIMATE.start_main_~x~4 196), 53995#(<= ULTIMATE.start_main_~x~4 198), 53996#(<= ULTIMATE.start_main_~x~4 200), 53997#(<= ULTIMATE.start_main_~x~4 202), 53998#(<= ULTIMATE.start_main_~x~4 204), 53999#(<= ULTIMATE.start_main_~x~4 206), 54000#(<= ULTIMATE.start_main_~x~4 208), 54001#(<= ULTIMATE.start_main_~x~4 210), 54002#(<= ULTIMATE.start_main_~x~4 212), 54003#(<= ULTIMATE.start_main_~x~4 214), 54004#(<= ULTIMATE.start_main_~x~4 216), 54005#(<= ULTIMATE.start_main_~x~4 218), 54006#(<= ULTIMATE.start_main_~x~4 220), 54007#(<= ULTIMATE.start_main_~x~4 222), 54008#(<= ULTIMATE.start_main_~x~4 224), 54009#(<= ULTIMATE.start_main_~x~4 226), 54010#(<= ULTIMATE.start_main_~x~4 228), 54011#(<= ULTIMATE.start_main_~x~4 230), 54012#(<= ULTIMATE.start_main_~x~4 232), 54013#(<= ULTIMATE.start_main_~x~4 234), 54014#(<= ULTIMATE.start_main_~x~4 236), 54015#(<= ULTIMATE.start_main_~x~4 238)] [2018-07-23 13:42:17,531 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 13:42:17,531 INFO L450 AbstractCegarLoop]: Interpolant automaton has 145 states [2018-07-23 13:42:17,532 INFO L132 InterpolantAutomaton]: Constructing interpolant automaton starting with 145 interpolants. [2018-07-23 13:42:17,534 INFO L133 InterpolantAutomaton]: CoverageRelationStatistics Valid=10440, Invalid=10440, Unknown=0, NotChecked=0, Total=20880 [2018-07-23 13:42:17,534 INFO L87 Difference]: Start difference. First operand 146 states and 146 transitions. Second operand 145 states. [2018-07-23 13:42:17,801 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2018-07-23 13:42:17,801 INFO L93 Difference]: Finished difference Result 149 states and 149 transitions. [2018-07-23 13:42:17,802 INFO L142 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 145 states. [2018-07-23 13:42:17,802 INFO L78 Accepts]: Start accepts. Automaton has 145 states. Word has length 145 [2018-07-23 13:42:17,802 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2018-07-23 13:42:17,802 INFO L225 Difference]: With dead ends: 149 [2018-07-23 13:42:17,802 INFO L226 Difference]: Without dead ends: 147 [2018-07-23 13:42:17,803 INFO L575 BasicCegarLoop]: 0 DeclaredPredicates, 144 GetRequests, 1 SyntacticMatches, 0 SemanticMatches, 143 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 0 ImplicationChecksByTransitivity, 0.8s TimeCoverageRelationStatistics Valid=10440, Invalid=10440, Unknown=0, NotChecked=0, Total=20880 [2018-07-23 13:42:17,804 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 147 states. [2018-07-23 13:42:17,806 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 147 to 147. [2018-07-23 13:42:17,806 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 147 states. [2018-07-23 13:42:17,806 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 147 states to 147 states and 147 transitions. [2018-07-23 13:42:17,806 INFO L78 Accepts]: Start accepts. Automaton has 147 states and 147 transitions. Word has length 145 [2018-07-23 13:42:17,807 INFO L84 Accepts]: Finished accepts. word is rejected. [2018-07-23 13:42:17,807 INFO L471 AbstractCegarLoop]: Abstraction has 147 states and 147 transitions. [2018-07-23 13:42:17,807 INFO L472 AbstractCegarLoop]: Interpolant automaton has 145 states. [2018-07-23 13:42:17,807 INFO L276 IsEmpty]: Start isEmpty. Operand 147 states and 147 transitions. [2018-07-23 13:42:17,807 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 147 [2018-07-23 13:42:17,808 INFO L349 BasicCegarLoop]: Found error trace [2018-07-23 13:42:17,808 INFO L357 BasicCegarLoop]: trace histogram [143, 1, 1, 1] [2018-07-23 13:42:17,808 INFO L414 AbstractCegarLoop]: === Iteration 144 === [ULTIMATE.startErr0AssertViolationASSERT]=== [2018-07-23 13:42:17,808 INFO L82 PathProgramCache]: Analyzing trace with hash -2008013560, now seen corresponding path program 143 times [2018-07-23 13:42:17,808 INFO L69 tionRefinementEngine]: Using refinement strategy FixedRefinementStrategy [2018-07-23 13:42:17,821 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-07-23 13:42:18,235 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 13:42:18,235 INFO L309 seRefinementStrategy]: Constructing automaton from 0 perfect and 1 imperfect interpolant sequences. [2018-07-23 13:42:18,235 INFO L324 seRefinementStrategy]: Number of different interpolants: perfect sequences [] imperfect sequences [145] total 145 [2018-07-23 13:42:18,235 INFO L142 lantAutomatonBuilder]: Constructing canonical interpolant automaton, with selfloop in false state [2018-07-23 13:42:18,236 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 13:42:18,236 INFO L185 omatonBuilderFactory]: Interpolants [54636#true, 54637#false, 54638#(<= ULTIMATE.start_main_~x~4 10), 54639#(<= ULTIMATE.start_main_~x~4 12), 54640#(<= ULTIMATE.start_main_~x~4 14), 54641#(<= ULTIMATE.start_main_~x~4 16), 54642#(<= ULTIMATE.start_main_~x~4 18), 54643#(<= ULTIMATE.start_main_~x~4 20), 54644#(<= ULTIMATE.start_main_~x~4 22), 54645#(<= ULTIMATE.start_main_~x~4 24), 54646#(<= ULTIMATE.start_main_~x~4 26), 54647#(<= ULTIMATE.start_main_~x~4 28), 54648#(<= ULTIMATE.start_main_~x~4 30), 54649#(<= ULTIMATE.start_main_~x~4 32), 54650#(<= ULTIMATE.start_main_~x~4 34), 54651#(<= ULTIMATE.start_main_~x~4 36), 54652#(<= ULTIMATE.start_main_~x~4 38), 54653#(<= ULTIMATE.start_main_~x~4 40), 54654#(<= ULTIMATE.start_main_~x~4 42), 54655#(<= ULTIMATE.start_main_~x~4 44), 54656#(<= ULTIMATE.start_main_~x~4 46), 54657#(<= ULTIMATE.start_main_~x~4 48), 54658#(<= ULTIMATE.start_main_~x~4 50), 54659#(<= ULTIMATE.start_main_~x~4 52), 54660#(<= ULTIMATE.start_main_~x~4 54), 54661#(<= ULTIMATE.start_main_~x~4 56), 54662#(<= ULTIMATE.start_main_~x~4 58), 54663#(<= ULTIMATE.start_main_~x~4 60), 54664#(<= ULTIMATE.start_main_~x~4 62), 54665#(<= ULTIMATE.start_main_~x~4 64), 54666#(<= ULTIMATE.start_main_~x~4 66), 54667#(<= ULTIMATE.start_main_~x~4 68), 54668#(<= ULTIMATE.start_main_~x~4 70), 54669#(<= ULTIMATE.start_main_~x~4 72), 54670#(<= ULTIMATE.start_main_~x~4 74), 54671#(<= ULTIMATE.start_main_~x~4 76), 54672#(<= ULTIMATE.start_main_~x~4 78), 54673#(<= ULTIMATE.start_main_~x~4 80), 54674#(<= ULTIMATE.start_main_~x~4 82), 54675#(<= ULTIMATE.start_main_~x~4 84), 54676#(<= ULTIMATE.start_main_~x~4 86), 54677#(<= ULTIMATE.start_main_~x~4 88), 54678#(<= ULTIMATE.start_main_~x~4 90), 54679#(<= ULTIMATE.start_main_~x~4 92), 54680#(<= ULTIMATE.start_main_~x~4 94), 54681#(<= ULTIMATE.start_main_~x~4 96), 54682#(<= ULTIMATE.start_main_~x~4 98), 54683#(<= ULTIMATE.start_main_~x~4 100), 54684#(<= ULTIMATE.start_main_~x~4 102), 54685#(<= ULTIMATE.start_main_~x~4 104), 54686#(<= ULTIMATE.start_main_~x~4 106), 54687#(<= ULTIMATE.start_main_~x~4 108), 54688#(<= ULTIMATE.start_main_~x~4 110), 54689#(<= ULTIMATE.start_main_~x~4 112), 54690#(<= ULTIMATE.start_main_~x~4 114), 54691#(<= ULTIMATE.start_main_~x~4 116), 54692#(<= ULTIMATE.start_main_~x~4 118), 54693#(<= ULTIMATE.start_main_~x~4 120), 54694#(<= ULTIMATE.start_main_~x~4 122), 54695#(<= ULTIMATE.start_main_~x~4 124), 54696#(<= ULTIMATE.start_main_~x~4 126), 54697#(<= ULTIMATE.start_main_~x~4 128), 54698#(<= ULTIMATE.start_main_~x~4 130), 54699#(<= ULTIMATE.start_main_~x~4 132), 54700#(<= ULTIMATE.start_main_~x~4 134), 54701#(<= ULTIMATE.start_main_~x~4 136), 54702#(<= ULTIMATE.start_main_~x~4 138), 54703#(<= ULTIMATE.start_main_~x~4 140), 54704#(<= ULTIMATE.start_main_~x~4 142), 54705#(<= ULTIMATE.start_main_~x~4 144), 54706#(<= ULTIMATE.start_main_~x~4 146), 54707#(<= ULTIMATE.start_main_~x~4 148), 54708#(<= ULTIMATE.start_main_~x~4 150), 54709#(<= ULTIMATE.start_main_~x~4 152), 54710#(<= ULTIMATE.start_main_~x~4 154), 54711#(<= ULTIMATE.start_main_~x~4 156), 54712#(<= ULTIMATE.start_main_~x~4 158), 54713#(<= ULTIMATE.start_main_~x~4 160), 54714#(<= ULTIMATE.start_main_~x~4 162), 54715#(<= ULTIMATE.start_main_~x~4 164), 54716#(<= ULTIMATE.start_main_~x~4 166), 54717#(<= ULTIMATE.start_main_~x~4 168), 54718#(<= ULTIMATE.start_main_~x~4 170), 54719#(<= ULTIMATE.start_main_~x~4 172), 54720#(<= ULTIMATE.start_main_~x~4 174), 54721#(<= ULTIMATE.start_main_~x~4 176), 54722#(<= ULTIMATE.start_main_~x~4 178), 54723#(<= ULTIMATE.start_main_~x~4 180), 54724#(<= ULTIMATE.start_main_~x~4 182), 54725#(<= ULTIMATE.start_main_~x~4 184), 54726#(<= ULTIMATE.start_main_~x~4 186), 54727#(<= ULTIMATE.start_main_~x~4 188), 54728#(<= ULTIMATE.start_main_~x~4 190), 54729#(<= ULTIMATE.start_main_~x~4 192), 54730#(<= ULTIMATE.start_main_~x~4 194), 54731#(<= ULTIMATE.start_main_~x~4 196), 54732#(<= ULTIMATE.start_main_~x~4 198), 54733#(<= ULTIMATE.start_main_~x~4 200), 54734#(<= ULTIMATE.start_main_~x~4 202), 54735#(<= ULTIMATE.start_main_~x~4 204), 54736#(<= ULTIMATE.start_main_~x~4 206), 54737#(<= ULTIMATE.start_main_~x~4 208), 54738#(<= ULTIMATE.start_main_~x~4 210), 54739#(<= ULTIMATE.start_main_~x~4 212), 54740#(<= ULTIMATE.start_main_~x~4 214), 54741#(<= ULTIMATE.start_main_~x~4 216), 54742#(<= ULTIMATE.start_main_~x~4 218), 54743#(<= ULTIMATE.start_main_~x~4 220), 54744#(<= ULTIMATE.start_main_~x~4 222), 54745#(<= ULTIMATE.start_main_~x~4 224), 54746#(<= ULTIMATE.start_main_~x~4 226), 54747#(<= ULTIMATE.start_main_~x~4 228), 54748#(<= ULTIMATE.start_main_~x~4 230), 54749#(<= ULTIMATE.start_main_~x~4 232), 54750#(<= ULTIMATE.start_main_~x~4 234), 54751#(<= ULTIMATE.start_main_~x~4 236), 54752#(<= ULTIMATE.start_main_~x~4 238), 54753#(<= ULTIMATE.start_main_~x~4 240), 54754#(<= ULTIMATE.start_main_~x~4 242), 54755#(<= ULTIMATE.start_main_~x~4 244), 54756#(<= ULTIMATE.start_main_~x~4 246), 54757#(<= ULTIMATE.start_main_~x~4 248), 54758#(<= ULTIMATE.start_main_~x~4 250), 54759#(<= ULTIMATE.start_main_~x~4 252), 54760#(<= ULTIMATE.start_main_~x~4 254), 54761#(<= ULTIMATE.start_main_~x~4 256), 54762#(<= ULTIMATE.start_main_~x~4 258), 54763#(<= ULTIMATE.start_main_~x~4 260), 54764#(<= ULTIMATE.start_main_~x~4 262), 54765#(<= ULTIMATE.start_main_~x~4 264), 54766#(<= ULTIMATE.start_main_~x~4 266), 54767#(<= ULTIMATE.start_main_~x~4 268), 54768#(<= ULTIMATE.start_main_~x~4 270), 54769#(<= ULTIMATE.start_main_~x~4 272), 54770#(<= ULTIMATE.start_main_~x~4 274), 54771#(<= ULTIMATE.start_main_~x~4 276), 54772#(<= ULTIMATE.start_main_~x~4 278), 54773#(<= ULTIMATE.start_main_~x~4 280), 54774#(<= ULTIMATE.start_main_~x~4 282), 54775#(<= ULTIMATE.start_main_~x~4 284), 54776#(<= ULTIMATE.start_main_~x~4 286), 54777#(<= ULTIMATE.start_main_~x~4 288), 54778#(<= ULTIMATE.start_main_~x~4 290), 54779#(<= ULTIMATE.start_main_~x~4 292), 54780#(<= ULTIMATE.start_main_~x~4 294), 54781#(<= ULTIMATE.start_main_~x~4 296)] [2018-07-23 13:42:18,236 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 13:42:18,237 INFO L450 AbstractCegarLoop]: Interpolant automaton has 146 states [2018-07-23 13:42:18,238 INFO L132 InterpolantAutomaton]: Constructing interpolant automaton starting with 146 interpolants. [2018-07-23 13:42:18,239 INFO L133 InterpolantAutomaton]: CoverageRelationStatistics Valid=10585, Invalid=10585, Unknown=0, NotChecked=0, Total=21170 [2018-07-23 13:42:18,239 INFO L87 Difference]: Start difference. First operand 147 states and 147 transitions. Second operand 146 states. [2018-07-23 13:42:18,535 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2018-07-23 13:42:18,536 INFO L93 Difference]: Finished difference Result 150 states and 150 transitions. [2018-07-23 13:42:18,536 INFO L142 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 146 states. [2018-07-23 13:42:18,536 INFO L78 Accepts]: Start accepts. Automaton has 146 states. Word has length 146 [2018-07-23 13:42:18,536 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2018-07-23 13:42:18,536 INFO L225 Difference]: With dead ends: 150 [2018-07-23 13:42:18,537 INFO L226 Difference]: Without dead ends: 148 [2018-07-23 13:42:18,538 INFO L575 BasicCegarLoop]: 0 DeclaredPredicates, 145 GetRequests, 1 SyntacticMatches, 0 SemanticMatches, 144 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 0 ImplicationChecksByTransitivity, 0.3s TimeCoverageRelationStatistics Valid=10585, Invalid=10585, Unknown=0, NotChecked=0, Total=21170 [2018-07-23 13:42:18,538 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 148 states. [2018-07-23 13:42:18,540 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 148 to 148. [2018-07-23 13:42:18,540 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 148 states. [2018-07-23 13:42:18,540 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 148 states to 148 states and 148 transitions. [2018-07-23 13:42:18,540 INFO L78 Accepts]: Start accepts. Automaton has 148 states and 148 transitions. Word has length 146 [2018-07-23 13:42:18,540 INFO L84 Accepts]: Finished accepts. word is rejected. [2018-07-23 13:42:18,540 INFO L471 AbstractCegarLoop]: Abstraction has 148 states and 148 transitions. [2018-07-23 13:42:18,540 INFO L472 AbstractCegarLoop]: Interpolant automaton has 146 states. [2018-07-23 13:42:18,541 INFO L276 IsEmpty]: Start isEmpty. Operand 148 states and 148 transitions. [2018-07-23 13:42:18,541 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 148 [2018-07-23 13:42:18,541 INFO L349 BasicCegarLoop]: Found error trace [2018-07-23 13:42:18,541 INFO L357 BasicCegarLoop]: trace histogram [144, 1, 1, 1] [2018-07-23 13:42:18,541 INFO L414 AbstractCegarLoop]: === Iteration 145 === [ULTIMATE.startErr0AssertViolationASSERT]=== [2018-07-23 13:42:18,541 INFO L82 PathProgramCache]: Analyzing trace with hash -2118880191, now seen corresponding path program 144 times [2018-07-23 13:42:18,541 INFO L69 tionRefinementEngine]: Using refinement strategy FixedRefinementStrategy [2018-07-23 13:42:18,554 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-07-23 13:42:18,978 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 13:42:18,978 INFO L309 seRefinementStrategy]: Constructing automaton from 0 perfect and 1 imperfect interpolant sequences. [2018-07-23 13:42:18,978 INFO L324 seRefinementStrategy]: Number of different interpolants: perfect sequences [] imperfect sequences [146] total 146 [2018-07-23 13:42:18,978 INFO L142 lantAutomatonBuilder]: Constructing canonical interpolant automaton, with selfloop in false state [2018-07-23 13:42:18,979 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 13:42:18,979 INFO L185 omatonBuilderFactory]: Interpolants [55378#true, 55379#false, 55380#(<= ULTIMATE.start_main_~x~4 10), 55381#(<= ULTIMATE.start_main_~x~4 12), 55382#(<= ULTIMATE.start_main_~x~4 14), 55383#(<= ULTIMATE.start_main_~x~4 16), 55384#(<= ULTIMATE.start_main_~x~4 18), 55385#(<= ULTIMATE.start_main_~x~4 20), 55386#(<= ULTIMATE.start_main_~x~4 22), 55387#(<= ULTIMATE.start_main_~x~4 24), 55388#(<= ULTIMATE.start_main_~x~4 26), 55389#(<= ULTIMATE.start_main_~x~4 28), 55390#(<= ULTIMATE.start_main_~x~4 30), 55391#(<= ULTIMATE.start_main_~x~4 32), 55392#(<= ULTIMATE.start_main_~x~4 34), 55393#(<= ULTIMATE.start_main_~x~4 36), 55394#(<= ULTIMATE.start_main_~x~4 38), 55395#(<= ULTIMATE.start_main_~x~4 40), 55396#(<= ULTIMATE.start_main_~x~4 42), 55397#(<= ULTIMATE.start_main_~x~4 44), 55398#(<= ULTIMATE.start_main_~x~4 46), 55399#(<= ULTIMATE.start_main_~x~4 48), 55400#(<= ULTIMATE.start_main_~x~4 50), 55401#(<= ULTIMATE.start_main_~x~4 52), 55402#(<= ULTIMATE.start_main_~x~4 54), 55403#(<= ULTIMATE.start_main_~x~4 56), 55404#(<= ULTIMATE.start_main_~x~4 58), 55405#(<= ULTIMATE.start_main_~x~4 60), 55406#(<= ULTIMATE.start_main_~x~4 62), 55407#(<= ULTIMATE.start_main_~x~4 64), 55408#(<= ULTIMATE.start_main_~x~4 66), 55409#(<= ULTIMATE.start_main_~x~4 68), 55410#(<= ULTIMATE.start_main_~x~4 70), 55411#(<= ULTIMATE.start_main_~x~4 72), 55412#(<= ULTIMATE.start_main_~x~4 74), 55413#(<= ULTIMATE.start_main_~x~4 76), 55414#(<= ULTIMATE.start_main_~x~4 78), 55415#(<= ULTIMATE.start_main_~x~4 80), 55416#(<= ULTIMATE.start_main_~x~4 82), 55417#(<= ULTIMATE.start_main_~x~4 84), 55418#(<= ULTIMATE.start_main_~x~4 86), 55419#(<= ULTIMATE.start_main_~x~4 88), 55420#(<= ULTIMATE.start_main_~x~4 90), 55421#(<= ULTIMATE.start_main_~x~4 92), 55422#(<= ULTIMATE.start_main_~x~4 94), 55423#(<= ULTIMATE.start_main_~x~4 96), 55424#(<= ULTIMATE.start_main_~x~4 98), 55425#(<= ULTIMATE.start_main_~x~4 100), 55426#(<= ULTIMATE.start_main_~x~4 102), 55427#(<= ULTIMATE.start_main_~x~4 104), 55428#(<= ULTIMATE.start_main_~x~4 106), 55429#(<= ULTIMATE.start_main_~x~4 108), 55430#(<= ULTIMATE.start_main_~x~4 110), 55431#(<= ULTIMATE.start_main_~x~4 112), 55432#(<= ULTIMATE.start_main_~x~4 114), 55433#(<= ULTIMATE.start_main_~x~4 116), 55434#(<= ULTIMATE.start_main_~x~4 118), 55435#(<= ULTIMATE.start_main_~x~4 120), 55436#(<= ULTIMATE.start_main_~x~4 122), 55437#(<= ULTIMATE.start_main_~x~4 124), 55438#(<= ULTIMATE.start_main_~x~4 126), 55439#(<= ULTIMATE.start_main_~x~4 128), 55440#(<= ULTIMATE.start_main_~x~4 130), 55441#(<= ULTIMATE.start_main_~x~4 132), 55442#(<= ULTIMATE.start_main_~x~4 134), 55443#(<= ULTIMATE.start_main_~x~4 136), 55444#(<= ULTIMATE.start_main_~x~4 138), 55445#(<= ULTIMATE.start_main_~x~4 140), 55446#(<= ULTIMATE.start_main_~x~4 142), 55447#(<= ULTIMATE.start_main_~x~4 144), 55448#(<= ULTIMATE.start_main_~x~4 146), 55449#(<= ULTIMATE.start_main_~x~4 148), 55450#(<= ULTIMATE.start_main_~x~4 150), 55451#(<= ULTIMATE.start_main_~x~4 152), 55452#(<= ULTIMATE.start_main_~x~4 154), 55453#(<= ULTIMATE.start_main_~x~4 156), 55454#(<= ULTIMATE.start_main_~x~4 158), 55455#(<= ULTIMATE.start_main_~x~4 160), 55456#(<= ULTIMATE.start_main_~x~4 162), 55457#(<= ULTIMATE.start_main_~x~4 164), 55458#(<= ULTIMATE.start_main_~x~4 166), 55459#(<= ULTIMATE.start_main_~x~4 168), 55460#(<= ULTIMATE.start_main_~x~4 170), 55461#(<= ULTIMATE.start_main_~x~4 172), 55462#(<= ULTIMATE.start_main_~x~4 174), 55463#(<= ULTIMATE.start_main_~x~4 176), 55464#(<= ULTIMATE.start_main_~x~4 178), 55465#(<= ULTIMATE.start_main_~x~4 180), 55466#(<= ULTIMATE.start_main_~x~4 182), 55467#(<= ULTIMATE.start_main_~x~4 184), 55468#(<= ULTIMATE.start_main_~x~4 186), 55469#(<= ULTIMATE.start_main_~x~4 188), 55470#(<= ULTIMATE.start_main_~x~4 190), 55471#(<= ULTIMATE.start_main_~x~4 192), 55472#(<= ULTIMATE.start_main_~x~4 194), 55473#(<= ULTIMATE.start_main_~x~4 196), 55474#(<= ULTIMATE.start_main_~x~4 198), 55475#(<= ULTIMATE.start_main_~x~4 200), 55476#(<= ULTIMATE.start_main_~x~4 202), 55477#(<= ULTIMATE.start_main_~x~4 204), 55478#(<= ULTIMATE.start_main_~x~4 206), 55479#(<= ULTIMATE.start_main_~x~4 208), 55480#(<= ULTIMATE.start_main_~x~4 210), 55481#(<= ULTIMATE.start_main_~x~4 212), 55482#(<= ULTIMATE.start_main_~x~4 214), 55483#(<= ULTIMATE.start_main_~x~4 216), 55484#(<= ULTIMATE.start_main_~x~4 218), 55485#(<= ULTIMATE.start_main_~x~4 220), 55486#(<= ULTIMATE.start_main_~x~4 222), 55487#(<= ULTIMATE.start_main_~x~4 224), 55488#(<= ULTIMATE.start_main_~x~4 226), 55489#(<= ULTIMATE.start_main_~x~4 228), 55490#(<= ULTIMATE.start_main_~x~4 230), 55491#(<= ULTIMATE.start_main_~x~4 232), 55492#(<= ULTIMATE.start_main_~x~4 234), 55493#(<= ULTIMATE.start_main_~x~4 236), 55494#(<= ULTIMATE.start_main_~x~4 238), 55495#(<= ULTIMATE.start_main_~x~4 240), 55496#(<= ULTIMATE.start_main_~x~4 242), 55497#(<= ULTIMATE.start_main_~x~4 244), 55498#(<= ULTIMATE.start_main_~x~4 246), 55499#(<= ULTIMATE.start_main_~x~4 248), 55500#(<= ULTIMATE.start_main_~x~4 250), 55501#(<= ULTIMATE.start_main_~x~4 252), 55502#(<= ULTIMATE.start_main_~x~4 254), 55503#(<= ULTIMATE.start_main_~x~4 256), 55504#(<= ULTIMATE.start_main_~x~4 258), 55505#(<= ULTIMATE.start_main_~x~4 260), 55506#(<= ULTIMATE.start_main_~x~4 262), 55507#(<= ULTIMATE.start_main_~x~4 264), 55508#(<= ULTIMATE.start_main_~x~4 266), 55509#(<= ULTIMATE.start_main_~x~4 268), 55510#(<= ULTIMATE.start_main_~x~4 270), 55511#(<= ULTIMATE.start_main_~x~4 272), 55512#(<= ULTIMATE.start_main_~x~4 274), 55513#(<= ULTIMATE.start_main_~x~4 276), 55514#(<= ULTIMATE.start_main_~x~4 278), 55515#(<= ULTIMATE.start_main_~x~4 280), 55516#(<= ULTIMATE.start_main_~x~4 282), 55517#(<= ULTIMATE.start_main_~x~4 284), 55518#(<= ULTIMATE.start_main_~x~4 286), 55519#(<= ULTIMATE.start_main_~x~4 288), 55520#(<= ULTIMATE.start_main_~x~4 290), 55521#(<= ULTIMATE.start_main_~x~4 292), 55522#(<= ULTIMATE.start_main_~x~4 294), 55523#(<= ULTIMATE.start_main_~x~4 296), 55524#(<= ULTIMATE.start_main_~x~4 298)] [2018-07-23 13:42:18,979 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 13:42:18,980 INFO L450 AbstractCegarLoop]: Interpolant automaton has 147 states [2018-07-23 13:42:18,981 INFO L132 InterpolantAutomaton]: Constructing interpolant automaton starting with 147 interpolants. [2018-07-23 13:42:18,982 INFO L133 InterpolantAutomaton]: CoverageRelationStatistics Valid=10731, Invalid=10731, Unknown=0, NotChecked=0, Total=21462 [2018-07-23 13:42:18,983 INFO L87 Difference]: Start difference. First operand 148 states and 148 transitions. Second operand 147 states. [2018-07-23 13:42:19,263 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2018-07-23 13:42:19,264 INFO L93 Difference]: Finished difference Result 151 states and 151 transitions. [2018-07-23 13:42:19,264 INFO L142 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 147 states. [2018-07-23 13:42:19,264 INFO L78 Accepts]: Start accepts. Automaton has 147 states. Word has length 147 [2018-07-23 13:42:19,264 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2018-07-23 13:42:19,264 INFO L225 Difference]: With dead ends: 151 [2018-07-23 13:42:19,265 INFO L226 Difference]: Without dead ends: 149 [2018-07-23 13:42:19,266 INFO L575 BasicCegarLoop]: 0 DeclaredPredicates, 146 GetRequests, 1 SyntacticMatches, 0 SemanticMatches, 145 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 0 ImplicationChecksByTransitivity, 0.3s TimeCoverageRelationStatistics Valid=10731, Invalid=10731, Unknown=0, NotChecked=0, Total=21462 [2018-07-23 13:42:19,266 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 149 states. [2018-07-23 13:42:19,267 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 149 to 149. [2018-07-23 13:42:19,268 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 149 states. [2018-07-23 13:42:19,268 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 149 states to 149 states and 149 transitions. [2018-07-23 13:42:19,268 INFO L78 Accepts]: Start accepts. Automaton has 149 states and 149 transitions. Word has length 147 [2018-07-23 13:42:19,268 INFO L84 Accepts]: Finished accepts. word is rejected. [2018-07-23 13:42:19,268 INFO L471 AbstractCegarLoop]: Abstraction has 149 states and 149 transitions. [2018-07-23 13:42:19,268 INFO L472 AbstractCegarLoop]: Interpolant automaton has 147 states. [2018-07-23 13:42:19,268 INFO L276 IsEmpty]: Start isEmpty. Operand 149 states and 149 transitions. [2018-07-23 13:42:19,268 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 149 [2018-07-23 13:42:19,269 INFO L349 BasicCegarLoop]: Found error trace [2018-07-23 13:42:19,269 INFO L357 BasicCegarLoop]: trace histogram [145, 1, 1, 1] [2018-07-23 13:42:19,269 INFO L414 AbstractCegarLoop]: === Iteration 146 === [ULTIMATE.startErr0AssertViolationASSERT]=== [2018-07-23 13:42:19,269 INFO L82 PathProgramCache]: Analyzing trace with hash -1260778456, now seen corresponding path program 145 times [2018-07-23 13:42:19,269 INFO L69 tionRefinementEngine]: Using refinement strategy FixedRefinementStrategy [2018-07-23 13:42:19,283 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-07-23 13:42:19,727 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 13:42:19,727 INFO L309 seRefinementStrategy]: Constructing automaton from 0 perfect and 1 imperfect interpolant sequences. [2018-07-23 13:42:19,727 INFO L324 seRefinementStrategy]: Number of different interpolants: perfect sequences [] imperfect sequences [147] total 147 [2018-07-23 13:42:19,728 INFO L142 lantAutomatonBuilder]: Constructing canonical interpolant automaton, with selfloop in false state [2018-07-23 13:42:19,728 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2018-07-23 13:42:19,728 INFO L185 omatonBuilderFactory]: Interpolants [56125#true, 56126#false, 56127#(<= ULTIMATE.start_main_~x~4 10), 56128#(<= ULTIMATE.start_main_~x~4 12), 56129#(<= ULTIMATE.start_main_~x~4 14), 56130#(<= ULTIMATE.start_main_~x~4 16), 56131#(<= ULTIMATE.start_main_~x~4 18), 56132#(<= ULTIMATE.start_main_~x~4 20), 56133#(<= ULTIMATE.start_main_~x~4 22), 56134#(<= ULTIMATE.start_main_~x~4 24), 56135#(<= ULTIMATE.start_main_~x~4 26), 56136#(<= ULTIMATE.start_main_~x~4 28), 56137#(<= ULTIMATE.start_main_~x~4 30), 56138#(<= ULTIMATE.start_main_~x~4 32), 56139#(<= ULTIMATE.start_main_~x~4 34), 56140#(<= ULTIMATE.start_main_~x~4 36), 56141#(<= ULTIMATE.start_main_~x~4 38), 56142#(<= ULTIMATE.start_main_~x~4 40), 56143#(<= ULTIMATE.start_main_~x~4 42), 56144#(<= ULTIMATE.start_main_~x~4 44), 56145#(<= ULTIMATE.start_main_~x~4 46), 56146#(<= ULTIMATE.start_main_~x~4 48), 56147#(<= ULTIMATE.start_main_~x~4 50), 56148#(<= ULTIMATE.start_main_~x~4 52), 56149#(<= ULTIMATE.start_main_~x~4 54), 56150#(<= ULTIMATE.start_main_~x~4 56), 56151#(<= ULTIMATE.start_main_~x~4 58), 56152#(<= ULTIMATE.start_main_~x~4 60), 56153#(<= ULTIMATE.start_main_~x~4 62), 56154#(<= ULTIMATE.start_main_~x~4 64), 56155#(<= ULTIMATE.start_main_~x~4 66), 56156#(<= ULTIMATE.start_main_~x~4 68), 56157#(<= ULTIMATE.start_main_~x~4 70), 56158#(<= ULTIMATE.start_main_~x~4 72), 56159#(<= ULTIMATE.start_main_~x~4 74), 56160#(<= ULTIMATE.start_main_~x~4 76), 56161#(<= ULTIMATE.start_main_~x~4 78), 56162#(<= ULTIMATE.start_main_~x~4 80), 56163#(<= ULTIMATE.start_main_~x~4 82), 56164#(<= ULTIMATE.start_main_~x~4 84), 56165#(<= ULTIMATE.start_main_~x~4 86), 56166#(<= ULTIMATE.start_main_~x~4 88), 56167#(<= ULTIMATE.start_main_~x~4 90), 56168#(<= ULTIMATE.start_main_~x~4 92), 56169#(<= ULTIMATE.start_main_~x~4 94), 56170#(<= ULTIMATE.start_main_~x~4 96), 56171#(<= ULTIMATE.start_main_~x~4 98), 56172#(<= ULTIMATE.start_main_~x~4 100), 56173#(<= ULTIMATE.start_main_~x~4 102), 56174#(<= ULTIMATE.start_main_~x~4 104), 56175#(<= ULTIMATE.start_main_~x~4 106), 56176#(<= ULTIMATE.start_main_~x~4 108), 56177#(<= ULTIMATE.start_main_~x~4 110), 56178#(<= ULTIMATE.start_main_~x~4 112), 56179#(<= ULTIMATE.start_main_~x~4 114), 56180#(<= ULTIMATE.start_main_~x~4 116), 56181#(<= ULTIMATE.start_main_~x~4 118), 56182#(<= ULTIMATE.start_main_~x~4 120), 56183#(<= ULTIMATE.start_main_~x~4 122), 56184#(<= ULTIMATE.start_main_~x~4 124), 56185#(<= ULTIMATE.start_main_~x~4 126), 56186#(<= ULTIMATE.start_main_~x~4 128), 56187#(<= ULTIMATE.start_main_~x~4 130), 56188#(<= ULTIMATE.start_main_~x~4 132), 56189#(<= ULTIMATE.start_main_~x~4 134), 56190#(<= ULTIMATE.start_main_~x~4 136), 56191#(<= ULTIMATE.start_main_~x~4 138), 56192#(<= ULTIMATE.start_main_~x~4 140), 56193#(<= ULTIMATE.start_main_~x~4 142), 56194#(<= ULTIMATE.start_main_~x~4 144), 56195#(<= ULTIMATE.start_main_~x~4 146), 56196#(<= ULTIMATE.start_main_~x~4 148), 56197#(<= ULTIMATE.start_main_~x~4 150), 56198#(<= ULTIMATE.start_main_~x~4 152), 56199#(<= ULTIMATE.start_main_~x~4 154), 56200#(<= ULTIMATE.start_main_~x~4 156), 56201#(<= ULTIMATE.start_main_~x~4 158), 56202#(<= ULTIMATE.start_main_~x~4 160), 56203#(<= ULTIMATE.start_main_~x~4 162), 56204#(<= ULTIMATE.start_main_~x~4 164), 56205#(<= ULTIMATE.start_main_~x~4 166), 56206#(<= ULTIMATE.start_main_~x~4 168), 56207#(<= ULTIMATE.start_main_~x~4 170), 56208#(<= ULTIMATE.start_main_~x~4 172), 56209#(<= ULTIMATE.start_main_~x~4 174), 56210#(<= ULTIMATE.start_main_~x~4 176), 56211#(<= ULTIMATE.start_main_~x~4 178), 56212#(<= ULTIMATE.start_main_~x~4 180), 56213#(<= ULTIMATE.start_main_~x~4 182), 56214#(<= ULTIMATE.start_main_~x~4 184), 56215#(<= ULTIMATE.start_main_~x~4 186), 56216#(<= ULTIMATE.start_main_~x~4 188), 56217#(<= ULTIMATE.start_main_~x~4 190), 56218#(<= ULTIMATE.start_main_~x~4 192), 56219#(<= ULTIMATE.start_main_~x~4 194), 56220#(<= ULTIMATE.start_main_~x~4 196), 56221#(<= ULTIMATE.start_main_~x~4 198), 56222#(<= ULTIMATE.start_main_~x~4 200), 56223#(<= ULTIMATE.start_main_~x~4 202), 56224#(<= ULTIMATE.start_main_~x~4 204), 56225#(<= ULTIMATE.start_main_~x~4 206), 56226#(<= ULTIMATE.start_main_~x~4 208), 56227#(<= ULTIMATE.start_main_~x~4 210), 56228#(<= ULTIMATE.start_main_~x~4 212), 56229#(<= ULTIMATE.start_main_~x~4 214), 56230#(<= ULTIMATE.start_main_~x~4 216), 56231#(<= ULTIMATE.start_main_~x~4 218), 56232#(<= ULTIMATE.start_main_~x~4 220), 56233#(<= ULTIMATE.start_main_~x~4 222), 56234#(<= ULTIMATE.start_main_~x~4 224), 56235#(<= ULTIMATE.start_main_~x~4 226), 56236#(<= ULTIMATE.start_main_~x~4 228), 56237#(<= ULTIMATE.start_main_~x~4 230), 56238#(<= ULTIMATE.start_main_~x~4 232), 56239#(<= ULTIMATE.start_main_~x~4 234), 56240#(<= ULTIMATE.start_main_~x~4 236), 56241#(<= ULTIMATE.start_main_~x~4 238), 56242#(<= ULTIMATE.start_main_~x~4 240), 56243#(<= ULTIMATE.start_main_~x~4 242), 56244#(<= ULTIMATE.start_main_~x~4 244), 56245#(<= ULTIMATE.start_main_~x~4 246), 56246#(<= ULTIMATE.start_main_~x~4 248), 56247#(<= ULTIMATE.start_main_~x~4 250), 56248#(<= ULTIMATE.start_main_~x~4 252), 56249#(<= ULTIMATE.start_main_~x~4 254), 56250#(<= ULTIMATE.start_main_~x~4 256), 56251#(<= ULTIMATE.start_main_~x~4 258), 56252#(<= ULTIMATE.start_main_~x~4 260), 56253#(<= ULTIMATE.start_main_~x~4 262), 56254#(<= ULTIMATE.start_main_~x~4 264), 56255#(<= ULTIMATE.start_main_~x~4 266), 56256#(<= ULTIMATE.start_main_~x~4 268), 56257#(<= ULTIMATE.start_main_~x~4 270), 56258#(<= ULTIMATE.start_main_~x~4 272), 56259#(<= ULTIMATE.start_main_~x~4 274), 56260#(<= ULTIMATE.start_main_~x~4 276), 56261#(<= ULTIMATE.start_main_~x~4 278), 56262#(<= ULTIMATE.start_main_~x~4 280), 56263#(<= ULTIMATE.start_main_~x~4 282), 56264#(<= ULTIMATE.start_main_~x~4 284), 56265#(<= ULTIMATE.start_main_~x~4 286), 56266#(<= ULTIMATE.start_main_~x~4 288), 56267#(<= ULTIMATE.start_main_~x~4 290), 56268#(<= ULTIMATE.start_main_~x~4 292), 56269#(<= ULTIMATE.start_main_~x~4 294), 56270#(<= ULTIMATE.start_main_~x~4 296), 56271#(<= ULTIMATE.start_main_~x~4 298), 56272#(<= ULTIMATE.start_main_~x~4 300)] [2018-07-23 13:42:19,729 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 13:42:19,729 INFO L450 AbstractCegarLoop]: Interpolant automaton has 148 states [2018-07-23 13:42:19,730 INFO L132 InterpolantAutomaton]: Constructing interpolant automaton starting with 148 interpolants. [2018-07-23 13:42:19,731 INFO L133 InterpolantAutomaton]: CoverageRelationStatistics Valid=10878, Invalid=10878, Unknown=0, NotChecked=0, Total=21756 [2018-07-23 13:42:19,732 INFO L87 Difference]: Start difference. First operand 149 states and 149 transitions. Second operand 148 states. [2018-07-23 13:42:20,014 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2018-07-23 13:42:20,014 INFO L93 Difference]: Finished difference Result 152 states and 152 transitions. [2018-07-23 13:42:20,014 INFO L142 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 148 states. [2018-07-23 13:42:20,014 INFO L78 Accepts]: Start accepts. Automaton has 148 states. Word has length 148 [2018-07-23 13:42:20,014 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2018-07-23 13:42:20,015 INFO L225 Difference]: With dead ends: 152 [2018-07-23 13:42:20,015 INFO L226 Difference]: Without dead ends: 150 [2018-07-23 13:42:20,017 INFO L575 BasicCegarLoop]: 0 DeclaredPredicates, 147 GetRequests, 1 SyntacticMatches, 0 SemanticMatches, 146 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 0 ImplicationChecksByTransitivity, 0.3s TimeCoverageRelationStatistics Valid=10878, Invalid=10878, Unknown=0, NotChecked=0, Total=21756 [2018-07-23 13:42:20,017 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 150 states. [2018-07-23 13:42:20,019 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 150 to 150. [2018-07-23 13:42:20,019 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 150 states. [2018-07-23 13:42:20,020 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 150 states to 150 states and 150 transitions. [2018-07-23 13:42:20,020 INFO L78 Accepts]: Start accepts. Automaton has 150 states and 150 transitions. Word has length 148 [2018-07-23 13:42:20,020 INFO L84 Accepts]: Finished accepts. word is rejected. [2018-07-23 13:42:20,020 INFO L471 AbstractCegarLoop]: Abstraction has 150 states and 150 transitions. [2018-07-23 13:42:20,020 INFO L472 AbstractCegarLoop]: Interpolant automaton has 148 states. [2018-07-23 13:42:20,021 INFO L276 IsEmpty]: Start isEmpty. Operand 150 states and 150 transitions. [2018-07-23 13:42:20,021 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 150 [2018-07-23 13:42:20,021 INFO L349 BasicCegarLoop]: Found error trace [2018-07-23 13:42:20,021 INFO L357 BasicCegarLoop]: trace histogram [146, 1, 1, 1] [2018-07-23 13:42:20,021 INFO L414 AbstractCegarLoop]: === Iteration 147 === [ULTIMATE.startErr0AssertViolationASSERT]=== [2018-07-23 13:42:20,022 INFO L82 PathProgramCache]: Analyzing trace with hash -429428447, now seen corresponding path program 146 times [2018-07-23 13:42:20,022 INFO L69 tionRefinementEngine]: Using refinement strategy FixedRefinementStrategy [2018-07-23 13:42:20,040 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-07-23 13:42:20,509 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 13:42:20,509 INFO L309 seRefinementStrategy]: Constructing automaton from 0 perfect and 1 imperfect interpolant sequences. [2018-07-23 13:42:20,509 INFO L324 seRefinementStrategy]: Number of different interpolants: perfect sequences [] imperfect sequences [148] total 148 [2018-07-23 13:42:20,509 INFO L142 lantAutomatonBuilder]: Constructing canonical interpolant automaton, with selfloop in false state [2018-07-23 13:42:20,510 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 13:42:20,510 INFO L185 omatonBuilderFactory]: Interpolants [56877#true, 56878#false, 56879#(<= ULTIMATE.start_main_~x~4 10), 56880#(<= ULTIMATE.start_main_~x~4 12), 56881#(<= ULTIMATE.start_main_~x~4 14), 56882#(<= ULTIMATE.start_main_~x~4 16), 56883#(<= ULTIMATE.start_main_~x~4 18), 56884#(<= ULTIMATE.start_main_~x~4 20), 56885#(<= ULTIMATE.start_main_~x~4 22), 56886#(<= ULTIMATE.start_main_~x~4 24), 56887#(<= ULTIMATE.start_main_~x~4 26), 56888#(<= ULTIMATE.start_main_~x~4 28), 56889#(<= ULTIMATE.start_main_~x~4 30), 56890#(<= ULTIMATE.start_main_~x~4 32), 56891#(<= ULTIMATE.start_main_~x~4 34), 56892#(<= ULTIMATE.start_main_~x~4 36), 56893#(<= ULTIMATE.start_main_~x~4 38), 56894#(<= ULTIMATE.start_main_~x~4 40), 56895#(<= ULTIMATE.start_main_~x~4 42), 56896#(<= ULTIMATE.start_main_~x~4 44), 56897#(<= ULTIMATE.start_main_~x~4 46), 56898#(<= ULTIMATE.start_main_~x~4 48), 56899#(<= ULTIMATE.start_main_~x~4 50), 56900#(<= ULTIMATE.start_main_~x~4 52), 56901#(<= ULTIMATE.start_main_~x~4 54), 56902#(<= ULTIMATE.start_main_~x~4 56), 56903#(<= ULTIMATE.start_main_~x~4 58), 56904#(<= ULTIMATE.start_main_~x~4 60), 56905#(<= ULTIMATE.start_main_~x~4 62), 56906#(<= ULTIMATE.start_main_~x~4 64), 56907#(<= ULTIMATE.start_main_~x~4 66), 56908#(<= ULTIMATE.start_main_~x~4 68), 56909#(<= ULTIMATE.start_main_~x~4 70), 56910#(<= ULTIMATE.start_main_~x~4 72), 56911#(<= ULTIMATE.start_main_~x~4 74), 56912#(<= ULTIMATE.start_main_~x~4 76), 56913#(<= ULTIMATE.start_main_~x~4 78), 56914#(<= ULTIMATE.start_main_~x~4 80), 56915#(<= ULTIMATE.start_main_~x~4 82), 56916#(<= ULTIMATE.start_main_~x~4 84), 56917#(<= ULTIMATE.start_main_~x~4 86), 56918#(<= ULTIMATE.start_main_~x~4 88), 56919#(<= ULTIMATE.start_main_~x~4 90), 56920#(<= ULTIMATE.start_main_~x~4 92), 56921#(<= ULTIMATE.start_main_~x~4 94), 56922#(<= ULTIMATE.start_main_~x~4 96), 56923#(<= ULTIMATE.start_main_~x~4 98), 56924#(<= ULTIMATE.start_main_~x~4 100), 56925#(<= ULTIMATE.start_main_~x~4 102), 56926#(<= ULTIMATE.start_main_~x~4 104), 56927#(<= ULTIMATE.start_main_~x~4 106), 56928#(<= ULTIMATE.start_main_~x~4 108), 56929#(<= ULTIMATE.start_main_~x~4 110), 56930#(<= ULTIMATE.start_main_~x~4 112), 56931#(<= ULTIMATE.start_main_~x~4 114), 56932#(<= ULTIMATE.start_main_~x~4 116), 56933#(<= ULTIMATE.start_main_~x~4 118), 56934#(<= ULTIMATE.start_main_~x~4 120), 56935#(<= ULTIMATE.start_main_~x~4 122), 56936#(<= ULTIMATE.start_main_~x~4 124), 56937#(<= ULTIMATE.start_main_~x~4 126), 56938#(<= ULTIMATE.start_main_~x~4 128), 56939#(<= ULTIMATE.start_main_~x~4 130), 56940#(<= ULTIMATE.start_main_~x~4 132), 56941#(<= ULTIMATE.start_main_~x~4 134), 56942#(<= ULTIMATE.start_main_~x~4 136), 56943#(<= ULTIMATE.start_main_~x~4 138), 56944#(<= ULTIMATE.start_main_~x~4 140), 56945#(<= ULTIMATE.start_main_~x~4 142), 56946#(<= ULTIMATE.start_main_~x~4 144), 56947#(<= ULTIMATE.start_main_~x~4 146), 56948#(<= ULTIMATE.start_main_~x~4 148), 56949#(<= ULTIMATE.start_main_~x~4 150), 56950#(<= ULTIMATE.start_main_~x~4 152), 56951#(<= ULTIMATE.start_main_~x~4 154), 56952#(<= ULTIMATE.start_main_~x~4 156), 56953#(<= ULTIMATE.start_main_~x~4 158), 56954#(<= ULTIMATE.start_main_~x~4 160), 56955#(<= ULTIMATE.start_main_~x~4 162), 56956#(<= ULTIMATE.start_main_~x~4 164), 56957#(<= ULTIMATE.start_main_~x~4 166), 56958#(<= ULTIMATE.start_main_~x~4 168), 56959#(<= ULTIMATE.start_main_~x~4 170), 56960#(<= ULTIMATE.start_main_~x~4 172), 56961#(<= ULTIMATE.start_main_~x~4 174), 56962#(<= ULTIMATE.start_main_~x~4 176), 56963#(<= ULTIMATE.start_main_~x~4 178), 56964#(<= ULTIMATE.start_main_~x~4 180), 56965#(<= ULTIMATE.start_main_~x~4 182), 56966#(<= ULTIMATE.start_main_~x~4 184), 56967#(<= ULTIMATE.start_main_~x~4 186), 56968#(<= ULTIMATE.start_main_~x~4 188), 56969#(<= ULTIMATE.start_main_~x~4 190), 56970#(<= ULTIMATE.start_main_~x~4 192), 56971#(<= ULTIMATE.start_main_~x~4 194), 56972#(<= ULTIMATE.start_main_~x~4 196), 56973#(<= ULTIMATE.start_main_~x~4 198), 56974#(<= ULTIMATE.start_main_~x~4 200), 56975#(<= ULTIMATE.start_main_~x~4 202), 56976#(<= ULTIMATE.start_main_~x~4 204), 56977#(<= ULTIMATE.start_main_~x~4 206), 56978#(<= ULTIMATE.start_main_~x~4 208), 56979#(<= ULTIMATE.start_main_~x~4 210), 56980#(<= ULTIMATE.start_main_~x~4 212), 56981#(<= ULTIMATE.start_main_~x~4 214), 56982#(<= ULTIMATE.start_main_~x~4 216), 56983#(<= ULTIMATE.start_main_~x~4 218), 56984#(<= ULTIMATE.start_main_~x~4 220), 56985#(<= ULTIMATE.start_main_~x~4 222), 56986#(<= ULTIMATE.start_main_~x~4 224), 56987#(<= ULTIMATE.start_main_~x~4 226), 56988#(<= ULTIMATE.start_main_~x~4 228), 56989#(<= ULTIMATE.start_main_~x~4 230), 56990#(<= ULTIMATE.start_main_~x~4 232), 56991#(<= ULTIMATE.start_main_~x~4 234), 56992#(<= ULTIMATE.start_main_~x~4 236), 56993#(<= ULTIMATE.start_main_~x~4 238), 56994#(<= ULTIMATE.start_main_~x~4 240), 56995#(<= ULTIMATE.start_main_~x~4 242), 56996#(<= ULTIMATE.start_main_~x~4 244), 56997#(<= ULTIMATE.start_main_~x~4 246), 56998#(<= ULTIMATE.start_main_~x~4 248), 56999#(<= ULTIMATE.start_main_~x~4 250), 57000#(<= ULTIMATE.start_main_~x~4 252), 57001#(<= ULTIMATE.start_main_~x~4 254), 57002#(<= ULTIMATE.start_main_~x~4 256), 57003#(<= ULTIMATE.start_main_~x~4 258), 57004#(<= ULTIMATE.start_main_~x~4 260), 57005#(<= ULTIMATE.start_main_~x~4 262), 57006#(<= ULTIMATE.start_main_~x~4 264), 57007#(<= ULTIMATE.start_main_~x~4 266), 57008#(<= ULTIMATE.start_main_~x~4 268), 57009#(<= ULTIMATE.start_main_~x~4 270), 57010#(<= ULTIMATE.start_main_~x~4 272), 57011#(<= ULTIMATE.start_main_~x~4 274), 57012#(<= ULTIMATE.start_main_~x~4 276), 57013#(<= ULTIMATE.start_main_~x~4 278), 57014#(<= ULTIMATE.start_main_~x~4 280), 57015#(<= ULTIMATE.start_main_~x~4 282), 57016#(<= ULTIMATE.start_main_~x~4 284), 57017#(<= ULTIMATE.start_main_~x~4 286), 57018#(<= ULTIMATE.start_main_~x~4 288), 57019#(<= ULTIMATE.start_main_~x~4 290), 57020#(<= ULTIMATE.start_main_~x~4 292), 57021#(<= ULTIMATE.start_main_~x~4 294), 57022#(<= ULTIMATE.start_main_~x~4 296), 57023#(<= ULTIMATE.start_main_~x~4 298), 57024#(<= ULTIMATE.start_main_~x~4 300), 57025#(<= ULTIMATE.start_main_~x~4 302)] [2018-07-23 13:42:20,511 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 13:42:20,511 INFO L450 AbstractCegarLoop]: Interpolant automaton has 149 states [2018-07-23 13:42:20,512 INFO L132 InterpolantAutomaton]: Constructing interpolant automaton starting with 149 interpolants. [2018-07-23 13:42:20,513 INFO L133 InterpolantAutomaton]: CoverageRelationStatistics Valid=11026, Invalid=11026, Unknown=0, NotChecked=0, Total=22052 [2018-07-23 13:42:20,514 INFO L87 Difference]: Start difference. First operand 150 states and 150 transitions. Second operand 149 states. [2018-07-23 13:42:20,826 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2018-07-23 13:42:20,826 INFO L93 Difference]: Finished difference Result 153 states and 153 transitions. [2018-07-23 13:42:20,826 INFO L142 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 149 states. [2018-07-23 13:42:20,826 INFO L78 Accepts]: Start accepts. Automaton has 149 states. Word has length 149 [2018-07-23 13:42:20,827 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2018-07-23 13:42:20,827 INFO L225 Difference]: With dead ends: 153 [2018-07-23 13:42:20,827 INFO L226 Difference]: Without dead ends: 151 [2018-07-23 13:42:20,829 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 13:42:20,829 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 151 states. [2018-07-23 13:42:20,832 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 151 to 151. [2018-07-23 13:42:20,832 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 151 states. [2018-07-23 13:42:20,832 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 151 states to 151 states and 151 transitions. [2018-07-23 13:42:20,833 INFO L78 Accepts]: Start accepts. Automaton has 151 states and 151 transitions. Word has length 149 [2018-07-23 13:42:20,833 INFO L84 Accepts]: Finished accepts. word is rejected. [2018-07-23 13:42:20,833 INFO L471 AbstractCegarLoop]: Abstraction has 151 states and 151 transitions. [2018-07-23 13:42:20,833 INFO L472 AbstractCegarLoop]: Interpolant automaton has 149 states. [2018-07-23 13:42:20,833 INFO L276 IsEmpty]: Start isEmpty. Operand 151 states and 151 transitions. [2018-07-23 13:42:20,834 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 151 [2018-07-23 13:42:20,834 INFO L349 BasicCegarLoop]: Found error trace [2018-07-23 13:42:20,834 INFO L357 BasicCegarLoop]: trace histogram [147, 1, 1, 1] [2018-07-23 13:42:20,834 INFO L414 AbstractCegarLoop]: === Iteration 148 === [ULTIMATE.startErr0AssertViolationASSERT]=== [2018-07-23 13:42:20,834 INFO L82 PathProgramCache]: Analyzing trace with hash -427381944, now seen corresponding path program 147 times [2018-07-23 13:42:20,834 INFO L69 tionRefinementEngine]: Using refinement strategy FixedRefinementStrategy [2018-07-23 13:42:20,852 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-07-23 13:42:21,372 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 13:42:21,372 INFO L309 seRefinementStrategy]: Constructing automaton from 0 perfect and 1 imperfect interpolant sequences. [2018-07-23 13:42:21,372 INFO L324 seRefinementStrategy]: Number of different interpolants: perfect sequences [] imperfect sequences [149] total 149 [2018-07-23 13:42:21,372 INFO L142 lantAutomatonBuilder]: Constructing canonical interpolant automaton, with selfloop in false state [2018-07-23 13:42:21,372 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2018-07-23 13:42:21,373 INFO L185 omatonBuilderFactory]: Interpolants [57634#true, 57635#false, 57636#(<= ULTIMATE.start_main_~x~4 10), 57637#(<= ULTIMATE.start_main_~x~4 12), 57638#(<= ULTIMATE.start_main_~x~4 14), 57639#(<= ULTIMATE.start_main_~x~4 16), 57640#(<= ULTIMATE.start_main_~x~4 18), 57641#(<= ULTIMATE.start_main_~x~4 20), 57642#(<= ULTIMATE.start_main_~x~4 22), 57643#(<= ULTIMATE.start_main_~x~4 24), 57644#(<= ULTIMATE.start_main_~x~4 26), 57645#(<= ULTIMATE.start_main_~x~4 28), 57646#(<= ULTIMATE.start_main_~x~4 30), 57647#(<= ULTIMATE.start_main_~x~4 32), 57648#(<= ULTIMATE.start_main_~x~4 34), 57649#(<= ULTIMATE.start_main_~x~4 36), 57650#(<= ULTIMATE.start_main_~x~4 38), 57651#(<= ULTIMATE.start_main_~x~4 40), 57652#(<= ULTIMATE.start_main_~x~4 42), 57653#(<= ULTIMATE.start_main_~x~4 44), 57654#(<= ULTIMATE.start_main_~x~4 46), 57655#(<= ULTIMATE.start_main_~x~4 48), 57656#(<= ULTIMATE.start_main_~x~4 50), 57657#(<= ULTIMATE.start_main_~x~4 52), 57658#(<= ULTIMATE.start_main_~x~4 54), 57659#(<= ULTIMATE.start_main_~x~4 56), 57660#(<= ULTIMATE.start_main_~x~4 58), 57661#(<= ULTIMATE.start_main_~x~4 60), 57662#(<= ULTIMATE.start_main_~x~4 62), 57663#(<= ULTIMATE.start_main_~x~4 64), 57664#(<= ULTIMATE.start_main_~x~4 66), 57665#(<= ULTIMATE.start_main_~x~4 68), 57666#(<= ULTIMATE.start_main_~x~4 70), 57667#(<= ULTIMATE.start_main_~x~4 72), 57668#(<= ULTIMATE.start_main_~x~4 74), 57669#(<= ULTIMATE.start_main_~x~4 76), 57670#(<= ULTIMATE.start_main_~x~4 78), 57671#(<= ULTIMATE.start_main_~x~4 80), 57672#(<= ULTIMATE.start_main_~x~4 82), 57673#(<= ULTIMATE.start_main_~x~4 84), 57674#(<= ULTIMATE.start_main_~x~4 86), 57675#(<= ULTIMATE.start_main_~x~4 88), 57676#(<= ULTIMATE.start_main_~x~4 90), 57677#(<= ULTIMATE.start_main_~x~4 92), 57678#(<= ULTIMATE.start_main_~x~4 94), 57679#(<= ULTIMATE.start_main_~x~4 96), 57680#(<= ULTIMATE.start_main_~x~4 98), 57681#(<= ULTIMATE.start_main_~x~4 100), 57682#(<= ULTIMATE.start_main_~x~4 102), 57683#(<= ULTIMATE.start_main_~x~4 104), 57684#(<= ULTIMATE.start_main_~x~4 106), 57685#(<= ULTIMATE.start_main_~x~4 108), 57686#(<= ULTIMATE.start_main_~x~4 110), 57687#(<= ULTIMATE.start_main_~x~4 112), 57688#(<= ULTIMATE.start_main_~x~4 114), 57689#(<= ULTIMATE.start_main_~x~4 116), 57690#(<= ULTIMATE.start_main_~x~4 118), 57691#(<= ULTIMATE.start_main_~x~4 120), 57692#(<= ULTIMATE.start_main_~x~4 122), 57693#(<= ULTIMATE.start_main_~x~4 124), 57694#(<= ULTIMATE.start_main_~x~4 126), 57695#(<= ULTIMATE.start_main_~x~4 128), 57696#(<= ULTIMATE.start_main_~x~4 130), 57697#(<= ULTIMATE.start_main_~x~4 132), 57698#(<= ULTIMATE.start_main_~x~4 134), 57699#(<= ULTIMATE.start_main_~x~4 136), 57700#(<= ULTIMATE.start_main_~x~4 138), 57701#(<= ULTIMATE.start_main_~x~4 140), 57702#(<= ULTIMATE.start_main_~x~4 142), 57703#(<= ULTIMATE.start_main_~x~4 144), 57704#(<= ULTIMATE.start_main_~x~4 146), 57705#(<= ULTIMATE.start_main_~x~4 148), 57706#(<= ULTIMATE.start_main_~x~4 150), 57707#(<= ULTIMATE.start_main_~x~4 152), 57708#(<= ULTIMATE.start_main_~x~4 154), 57709#(<= ULTIMATE.start_main_~x~4 156), 57710#(<= ULTIMATE.start_main_~x~4 158), 57711#(<= ULTIMATE.start_main_~x~4 160), 57712#(<= ULTIMATE.start_main_~x~4 162), 57713#(<= ULTIMATE.start_main_~x~4 164), 57714#(<= ULTIMATE.start_main_~x~4 166), 57715#(<= ULTIMATE.start_main_~x~4 168), 57716#(<= ULTIMATE.start_main_~x~4 170), 57717#(<= ULTIMATE.start_main_~x~4 172), 57718#(<= ULTIMATE.start_main_~x~4 174), 57719#(<= ULTIMATE.start_main_~x~4 176), 57720#(<= ULTIMATE.start_main_~x~4 178), 57721#(<= ULTIMATE.start_main_~x~4 180), 57722#(<= ULTIMATE.start_main_~x~4 182), 57723#(<= ULTIMATE.start_main_~x~4 184), 57724#(<= ULTIMATE.start_main_~x~4 186), 57725#(<= ULTIMATE.start_main_~x~4 188), 57726#(<= ULTIMATE.start_main_~x~4 190), 57727#(<= ULTIMATE.start_main_~x~4 192), 57728#(<= ULTIMATE.start_main_~x~4 194), 57729#(<= ULTIMATE.start_main_~x~4 196), 57730#(<= ULTIMATE.start_main_~x~4 198), 57731#(<= ULTIMATE.start_main_~x~4 200), 57732#(<= ULTIMATE.start_main_~x~4 202), 57733#(<= ULTIMATE.start_main_~x~4 204), 57734#(<= ULTIMATE.start_main_~x~4 206), 57735#(<= ULTIMATE.start_main_~x~4 208), 57736#(<= ULTIMATE.start_main_~x~4 210), 57737#(<= ULTIMATE.start_main_~x~4 212), 57738#(<= ULTIMATE.start_main_~x~4 214), 57739#(<= ULTIMATE.start_main_~x~4 216), 57740#(<= ULTIMATE.start_main_~x~4 218), 57741#(<= ULTIMATE.start_main_~x~4 220), 57742#(<= ULTIMATE.start_main_~x~4 222), 57743#(<= ULTIMATE.start_main_~x~4 224), 57744#(<= ULTIMATE.start_main_~x~4 226), 57745#(<= ULTIMATE.start_main_~x~4 228), 57746#(<= ULTIMATE.start_main_~x~4 230), 57747#(<= ULTIMATE.start_main_~x~4 232), 57748#(<= ULTIMATE.start_main_~x~4 234), 57749#(<= ULTIMATE.start_main_~x~4 236), 57750#(<= ULTIMATE.start_main_~x~4 238), 57751#(<= ULTIMATE.start_main_~x~4 240), 57752#(<= ULTIMATE.start_main_~x~4 242), 57753#(<= ULTIMATE.start_main_~x~4 244), 57754#(<= ULTIMATE.start_main_~x~4 246), 57755#(<= ULTIMATE.start_main_~x~4 248), 57756#(<= ULTIMATE.start_main_~x~4 250), 57757#(<= ULTIMATE.start_main_~x~4 252), 57758#(<= ULTIMATE.start_main_~x~4 254), 57759#(<= ULTIMATE.start_main_~x~4 256), 57760#(<= ULTIMATE.start_main_~x~4 258), 57761#(<= ULTIMATE.start_main_~x~4 260), 57762#(<= ULTIMATE.start_main_~x~4 262), 57763#(<= ULTIMATE.start_main_~x~4 264), 57764#(<= ULTIMATE.start_main_~x~4 266), 57765#(<= ULTIMATE.start_main_~x~4 268), 57766#(<= ULTIMATE.start_main_~x~4 270), 57767#(<= ULTIMATE.start_main_~x~4 272), 57768#(<= ULTIMATE.start_main_~x~4 274), 57769#(<= ULTIMATE.start_main_~x~4 276), 57770#(<= ULTIMATE.start_main_~x~4 278), 57771#(<= ULTIMATE.start_main_~x~4 280), 57772#(<= ULTIMATE.start_main_~x~4 282), 57773#(<= ULTIMATE.start_main_~x~4 284), 57774#(<= ULTIMATE.start_main_~x~4 286), 57775#(<= ULTIMATE.start_main_~x~4 288), 57776#(<= ULTIMATE.start_main_~x~4 290), 57777#(<= ULTIMATE.start_main_~x~4 292), 57778#(<= ULTIMATE.start_main_~x~4 294), 57779#(<= ULTIMATE.start_main_~x~4 296), 57780#(<= ULTIMATE.start_main_~x~4 298), 57781#(<= ULTIMATE.start_main_~x~4 300), 57782#(<= ULTIMATE.start_main_~x~4 302), 57783#(<= ULTIMATE.start_main_~x~4 304)] [2018-07-23 13:42:21,373 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 13:42:21,373 INFO L450 AbstractCegarLoop]: Interpolant automaton has 150 states [2018-07-23 13:42:21,374 INFO L132 InterpolantAutomaton]: Constructing interpolant automaton starting with 150 interpolants. [2018-07-23 13:42:21,375 INFO L133 InterpolantAutomaton]: CoverageRelationStatistics Valid=11175, Invalid=11175, Unknown=0, NotChecked=0, Total=22350 [2018-07-23 13:42:21,375 INFO L87 Difference]: Start difference. First operand 151 states and 151 transitions. Second operand 150 states. [2018-07-23 13:42:21,684 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2018-07-23 13:42:21,685 INFO L93 Difference]: Finished difference Result 154 states and 154 transitions. [2018-07-23 13:42:21,685 INFO L142 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 150 states. [2018-07-23 13:42:21,685 INFO L78 Accepts]: Start accepts. Automaton has 150 states. Word has length 150 [2018-07-23 13:42:21,685 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2018-07-23 13:42:21,685 INFO L225 Difference]: With dead ends: 154 [2018-07-23 13:42:21,686 INFO L226 Difference]: Without dead ends: 152 [2018-07-23 13:42:21,686 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 13:42:21,687 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 152 states. [2018-07-23 13:42:21,689 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 152 to 152. [2018-07-23 13:42:21,689 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 152 states. [2018-07-23 13:42:21,690 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 152 states to 152 states and 152 transitions. [2018-07-23 13:42:21,690 INFO L78 Accepts]: Start accepts. Automaton has 152 states and 152 transitions. Word has length 150 [2018-07-23 13:42:21,690 INFO L84 Accepts]: Finished accepts. word is rejected. [2018-07-23 13:42:21,690 INFO L471 AbstractCegarLoop]: Abstraction has 152 states and 152 transitions. [2018-07-23 13:42:21,690 INFO L472 AbstractCegarLoop]: Interpolant automaton has 150 states. [2018-07-23 13:42:21,690 INFO L276 IsEmpty]: Start isEmpty. Operand 152 states and 152 transitions. [2018-07-23 13:42:21,691 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 152 [2018-07-23 13:42:21,691 INFO L349 BasicCegarLoop]: Found error trace [2018-07-23 13:42:21,691 INFO L357 BasicCegarLoop]: trace histogram [148, 1, 1, 1] [2018-07-23 13:42:21,691 INFO L414 AbstractCegarLoop]: === Iteration 149 === [ULTIMATE.startErr0AssertViolationASSERT]=== [2018-07-23 13:42:21,691 INFO L82 PathProgramCache]: Analyzing trace with hash -363940351, now seen corresponding path program 148 times [2018-07-23 13:42:21,692 INFO L69 tionRefinementEngine]: Using refinement strategy FixedRefinementStrategy [2018-07-23 13:42:21,706 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-07-23 13:42:22,218 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 13:42:22,218 INFO L309 seRefinementStrategy]: Constructing automaton from 0 perfect and 1 imperfect interpolant sequences. [2018-07-23 13:42:22,218 INFO L324 seRefinementStrategy]: Number of different interpolants: perfect sequences [] imperfect sequences [150] total 150 [2018-07-23 13:42:22,218 INFO L142 lantAutomatonBuilder]: Constructing canonical interpolant automaton, with selfloop in false state [2018-07-23 13:42:22,218 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2018-07-23 13:42:22,219 INFO L185 omatonBuilderFactory]: Interpolants [58396#true, 58397#false, 58398#(<= ULTIMATE.start_main_~x~4 10), 58399#(<= ULTIMATE.start_main_~x~4 12), 58400#(<= ULTIMATE.start_main_~x~4 14), 58401#(<= ULTIMATE.start_main_~x~4 16), 58402#(<= ULTIMATE.start_main_~x~4 18), 58403#(<= ULTIMATE.start_main_~x~4 20), 58404#(<= ULTIMATE.start_main_~x~4 22), 58405#(<= ULTIMATE.start_main_~x~4 24), 58406#(<= ULTIMATE.start_main_~x~4 26), 58407#(<= ULTIMATE.start_main_~x~4 28), 58408#(<= ULTIMATE.start_main_~x~4 30), 58409#(<= ULTIMATE.start_main_~x~4 32), 58410#(<= ULTIMATE.start_main_~x~4 34), 58411#(<= ULTIMATE.start_main_~x~4 36), 58412#(<= ULTIMATE.start_main_~x~4 38), 58413#(<= ULTIMATE.start_main_~x~4 40), 58414#(<= ULTIMATE.start_main_~x~4 42), 58415#(<= ULTIMATE.start_main_~x~4 44), 58416#(<= ULTIMATE.start_main_~x~4 46), 58417#(<= ULTIMATE.start_main_~x~4 48), 58418#(<= ULTIMATE.start_main_~x~4 50), 58419#(<= ULTIMATE.start_main_~x~4 52), 58420#(<= ULTIMATE.start_main_~x~4 54), 58421#(<= ULTIMATE.start_main_~x~4 56), 58422#(<= ULTIMATE.start_main_~x~4 58), 58423#(<= ULTIMATE.start_main_~x~4 60), 58424#(<= ULTIMATE.start_main_~x~4 62), 58425#(<= ULTIMATE.start_main_~x~4 64), 58426#(<= ULTIMATE.start_main_~x~4 66), 58427#(<= ULTIMATE.start_main_~x~4 68), 58428#(<= ULTIMATE.start_main_~x~4 70), 58429#(<= ULTIMATE.start_main_~x~4 72), 58430#(<= ULTIMATE.start_main_~x~4 74), 58431#(<= ULTIMATE.start_main_~x~4 76), 58432#(<= ULTIMATE.start_main_~x~4 78), 58433#(<= ULTIMATE.start_main_~x~4 80), 58434#(<= ULTIMATE.start_main_~x~4 82), 58435#(<= ULTIMATE.start_main_~x~4 84), 58436#(<= ULTIMATE.start_main_~x~4 86), 58437#(<= ULTIMATE.start_main_~x~4 88), 58438#(<= ULTIMATE.start_main_~x~4 90), 58439#(<= ULTIMATE.start_main_~x~4 92), 58440#(<= ULTIMATE.start_main_~x~4 94), 58441#(<= ULTIMATE.start_main_~x~4 96), 58442#(<= ULTIMATE.start_main_~x~4 98), 58443#(<= ULTIMATE.start_main_~x~4 100), 58444#(<= ULTIMATE.start_main_~x~4 102), 58445#(<= ULTIMATE.start_main_~x~4 104), 58446#(<= ULTIMATE.start_main_~x~4 106), 58447#(<= ULTIMATE.start_main_~x~4 108), 58448#(<= ULTIMATE.start_main_~x~4 110), 58449#(<= ULTIMATE.start_main_~x~4 112), 58450#(<= ULTIMATE.start_main_~x~4 114), 58451#(<= ULTIMATE.start_main_~x~4 116), 58452#(<= ULTIMATE.start_main_~x~4 118), 58453#(<= ULTIMATE.start_main_~x~4 120), 58454#(<= ULTIMATE.start_main_~x~4 122), 58455#(<= ULTIMATE.start_main_~x~4 124), 58456#(<= ULTIMATE.start_main_~x~4 126), 58457#(<= ULTIMATE.start_main_~x~4 128), 58458#(<= ULTIMATE.start_main_~x~4 130), 58459#(<= ULTIMATE.start_main_~x~4 132), 58460#(<= ULTIMATE.start_main_~x~4 134), 58461#(<= ULTIMATE.start_main_~x~4 136), 58462#(<= ULTIMATE.start_main_~x~4 138), 58463#(<= ULTIMATE.start_main_~x~4 140), 58464#(<= ULTIMATE.start_main_~x~4 142), 58465#(<= ULTIMATE.start_main_~x~4 144), 58466#(<= ULTIMATE.start_main_~x~4 146), 58467#(<= ULTIMATE.start_main_~x~4 148), 58468#(<= ULTIMATE.start_main_~x~4 150), 58469#(<= ULTIMATE.start_main_~x~4 152), 58470#(<= ULTIMATE.start_main_~x~4 154), 58471#(<= ULTIMATE.start_main_~x~4 156), 58472#(<= ULTIMATE.start_main_~x~4 158), 58473#(<= ULTIMATE.start_main_~x~4 160), 58474#(<= ULTIMATE.start_main_~x~4 162), 58475#(<= ULTIMATE.start_main_~x~4 164), 58476#(<= ULTIMATE.start_main_~x~4 166), 58477#(<= ULTIMATE.start_main_~x~4 168), 58478#(<= ULTIMATE.start_main_~x~4 170), 58479#(<= ULTIMATE.start_main_~x~4 172), 58480#(<= ULTIMATE.start_main_~x~4 174), 58481#(<= ULTIMATE.start_main_~x~4 176), 58482#(<= ULTIMATE.start_main_~x~4 178), 58483#(<= ULTIMATE.start_main_~x~4 180), 58484#(<= ULTIMATE.start_main_~x~4 182), 58485#(<= ULTIMATE.start_main_~x~4 184), 58486#(<= ULTIMATE.start_main_~x~4 186), 58487#(<= ULTIMATE.start_main_~x~4 188), 58488#(<= ULTIMATE.start_main_~x~4 190), 58489#(<= ULTIMATE.start_main_~x~4 192), 58490#(<= ULTIMATE.start_main_~x~4 194), 58491#(<= ULTIMATE.start_main_~x~4 196), 58492#(<= ULTIMATE.start_main_~x~4 198), 58493#(<= ULTIMATE.start_main_~x~4 200), 58494#(<= ULTIMATE.start_main_~x~4 202), 58495#(<= ULTIMATE.start_main_~x~4 204), 58496#(<= ULTIMATE.start_main_~x~4 206), 58497#(<= ULTIMATE.start_main_~x~4 208), 58498#(<= ULTIMATE.start_main_~x~4 210), 58499#(<= ULTIMATE.start_main_~x~4 212), 58500#(<= ULTIMATE.start_main_~x~4 214), 58501#(<= ULTIMATE.start_main_~x~4 216), 58502#(<= ULTIMATE.start_main_~x~4 218), 58503#(<= ULTIMATE.start_main_~x~4 220), 58504#(<= ULTIMATE.start_main_~x~4 222), 58505#(<= ULTIMATE.start_main_~x~4 224), 58506#(<= ULTIMATE.start_main_~x~4 226), 58507#(<= ULTIMATE.start_main_~x~4 228), 58508#(<= ULTIMATE.start_main_~x~4 230), 58509#(<= ULTIMATE.start_main_~x~4 232), 58510#(<= ULTIMATE.start_main_~x~4 234), 58511#(<= ULTIMATE.start_main_~x~4 236), 58512#(<= ULTIMATE.start_main_~x~4 238), 58513#(<= ULTIMATE.start_main_~x~4 240), 58514#(<= ULTIMATE.start_main_~x~4 242), 58515#(<= ULTIMATE.start_main_~x~4 244), 58516#(<= ULTIMATE.start_main_~x~4 246), 58517#(<= ULTIMATE.start_main_~x~4 248), 58518#(<= ULTIMATE.start_main_~x~4 250), 58519#(<= ULTIMATE.start_main_~x~4 252), 58520#(<= ULTIMATE.start_main_~x~4 254), 58521#(<= ULTIMATE.start_main_~x~4 256), 58522#(<= ULTIMATE.start_main_~x~4 258), 58523#(<= ULTIMATE.start_main_~x~4 260), 58524#(<= ULTIMATE.start_main_~x~4 262), 58525#(<= ULTIMATE.start_main_~x~4 264), 58526#(<= ULTIMATE.start_main_~x~4 266), 58527#(<= ULTIMATE.start_main_~x~4 268), 58528#(<= ULTIMATE.start_main_~x~4 270), 58529#(<= ULTIMATE.start_main_~x~4 272), 58530#(<= ULTIMATE.start_main_~x~4 274), 58531#(<= ULTIMATE.start_main_~x~4 276), 58532#(<= ULTIMATE.start_main_~x~4 278), 58533#(<= ULTIMATE.start_main_~x~4 280), 58534#(<= ULTIMATE.start_main_~x~4 282), 58535#(<= ULTIMATE.start_main_~x~4 284), 58536#(<= ULTIMATE.start_main_~x~4 286), 58537#(<= ULTIMATE.start_main_~x~4 288), 58538#(<= ULTIMATE.start_main_~x~4 290), 58539#(<= ULTIMATE.start_main_~x~4 292), 58540#(<= ULTIMATE.start_main_~x~4 294), 58541#(<= ULTIMATE.start_main_~x~4 296), 58542#(<= ULTIMATE.start_main_~x~4 298), 58543#(<= ULTIMATE.start_main_~x~4 300), 58544#(<= ULTIMATE.start_main_~x~4 302), 58545#(<= ULTIMATE.start_main_~x~4 304), 58546#(<= ULTIMATE.start_main_~x~4 306)] [2018-07-23 13:42:22,219 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 13:42:22,219 INFO L450 AbstractCegarLoop]: Interpolant automaton has 151 states [2018-07-23 13:42:22,221 INFO L132 InterpolantAutomaton]: Constructing interpolant automaton starting with 151 interpolants. [2018-07-23 13:42:22,222 INFO L133 InterpolantAutomaton]: CoverageRelationStatistics Valid=11325, Invalid=11325, Unknown=0, NotChecked=0, Total=22650 [2018-07-23 13:42:22,222 INFO L87 Difference]: Start difference. First operand 152 states and 152 transitions. Second operand 151 states. [2018-07-23 13:42:22,556 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2018-07-23 13:42:22,556 INFO L93 Difference]: Finished difference Result 155 states and 155 transitions. [2018-07-23 13:42:22,557 INFO L142 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 151 states. [2018-07-23 13:42:22,557 INFO L78 Accepts]: Start accepts. Automaton has 151 states. Word has length 151 [2018-07-23 13:42:22,557 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2018-07-23 13:42:22,557 INFO L225 Difference]: With dead ends: 155 [2018-07-23 13:42:22,557 INFO L226 Difference]: Without dead ends: 153 [2018-07-23 13:42:22,559 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 13:42:22,559 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 153 states. [2018-07-23 13:42:22,561 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 153 to 153. [2018-07-23 13:42:22,561 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 153 states. [2018-07-23 13:42:22,561 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 153 states to 153 states and 153 transitions. [2018-07-23 13:42:22,561 INFO L78 Accepts]: Start accepts. Automaton has 153 states and 153 transitions. Word has length 151 [2018-07-23 13:42:22,561 INFO L84 Accepts]: Finished accepts. word is rejected. [2018-07-23 13:42:22,561 INFO L471 AbstractCegarLoop]: Abstraction has 153 states and 153 transitions. [2018-07-23 13:42:22,561 INFO L472 AbstractCegarLoop]: Interpolant automaton has 151 states. [2018-07-23 13:42:22,561 INFO L276 IsEmpty]: Start isEmpty. Operand 153 states and 153 transitions. [2018-07-23 13:42:22,562 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 153 [2018-07-23 13:42:22,562 INFO L349 BasicCegarLoop]: Found error trace [2018-07-23 13:42:22,562 INFO L357 BasicCegarLoop]: trace histogram [149, 1, 1, 1] [2018-07-23 13:42:22,562 INFO L414 AbstractCegarLoop]: === Iteration 150 === [ULTIMATE.startErr0AssertViolationASSERT]=== [2018-07-23 13:42:22,562 INFO L82 PathProgramCache]: Analyzing trace with hash 1602749032, now seen corresponding path program 149 times [2018-07-23 13:42:22,562 INFO L69 tionRefinementEngine]: Using refinement strategy FixedRefinementStrategy [2018-07-23 13:42:22,573 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-07-23 13:42:23,106 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 13:42:23,106 INFO L309 seRefinementStrategy]: Constructing automaton from 0 perfect and 1 imperfect interpolant sequences. [2018-07-23 13:42:23,106 INFO L324 seRefinementStrategy]: Number of different interpolants: perfect sequences [] imperfect sequences [151] total 151 [2018-07-23 13:42:23,106 INFO L142 lantAutomatonBuilder]: Constructing canonical interpolant automaton, with selfloop in false state [2018-07-23 13:42:23,107 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2018-07-23 13:42:23,107 INFO L185 omatonBuilderFactory]: Interpolants [59163#true, 59164#false, 59165#(<= ULTIMATE.start_main_~x~4 10), 59166#(<= ULTIMATE.start_main_~x~4 12), 59167#(<= ULTIMATE.start_main_~x~4 14), 59168#(<= ULTIMATE.start_main_~x~4 16), 59169#(<= ULTIMATE.start_main_~x~4 18), 59170#(<= ULTIMATE.start_main_~x~4 20), 59171#(<= ULTIMATE.start_main_~x~4 22), 59172#(<= ULTIMATE.start_main_~x~4 24), 59173#(<= ULTIMATE.start_main_~x~4 26), 59174#(<= ULTIMATE.start_main_~x~4 28), 59175#(<= ULTIMATE.start_main_~x~4 30), 59176#(<= ULTIMATE.start_main_~x~4 32), 59177#(<= ULTIMATE.start_main_~x~4 34), 59178#(<= ULTIMATE.start_main_~x~4 36), 59179#(<= ULTIMATE.start_main_~x~4 38), 59180#(<= ULTIMATE.start_main_~x~4 40), 59181#(<= ULTIMATE.start_main_~x~4 42), 59182#(<= ULTIMATE.start_main_~x~4 44), 59183#(<= ULTIMATE.start_main_~x~4 46), 59184#(<= ULTIMATE.start_main_~x~4 48), 59185#(<= ULTIMATE.start_main_~x~4 50), 59186#(<= ULTIMATE.start_main_~x~4 52), 59187#(<= ULTIMATE.start_main_~x~4 54), 59188#(<= ULTIMATE.start_main_~x~4 56), 59189#(<= ULTIMATE.start_main_~x~4 58), 59190#(<= ULTIMATE.start_main_~x~4 60), 59191#(<= ULTIMATE.start_main_~x~4 62), 59192#(<= ULTIMATE.start_main_~x~4 64), 59193#(<= ULTIMATE.start_main_~x~4 66), 59194#(<= ULTIMATE.start_main_~x~4 68), 59195#(<= ULTIMATE.start_main_~x~4 70), 59196#(<= ULTIMATE.start_main_~x~4 72), 59197#(<= ULTIMATE.start_main_~x~4 74), 59198#(<= ULTIMATE.start_main_~x~4 76), 59199#(<= ULTIMATE.start_main_~x~4 78), 59200#(<= ULTIMATE.start_main_~x~4 80), 59201#(<= ULTIMATE.start_main_~x~4 82), 59202#(<= ULTIMATE.start_main_~x~4 84), 59203#(<= ULTIMATE.start_main_~x~4 86), 59204#(<= ULTIMATE.start_main_~x~4 88), 59205#(<= ULTIMATE.start_main_~x~4 90), 59206#(<= ULTIMATE.start_main_~x~4 92), 59207#(<= ULTIMATE.start_main_~x~4 94), 59208#(<= ULTIMATE.start_main_~x~4 96), 59209#(<= ULTIMATE.start_main_~x~4 98), 59210#(<= ULTIMATE.start_main_~x~4 100), 59211#(<= ULTIMATE.start_main_~x~4 102), 59212#(<= ULTIMATE.start_main_~x~4 104), 59213#(<= ULTIMATE.start_main_~x~4 106), 59214#(<= ULTIMATE.start_main_~x~4 108), 59215#(<= ULTIMATE.start_main_~x~4 110), 59216#(<= ULTIMATE.start_main_~x~4 112), 59217#(<= ULTIMATE.start_main_~x~4 114), 59218#(<= ULTIMATE.start_main_~x~4 116), 59219#(<= ULTIMATE.start_main_~x~4 118), 59220#(<= ULTIMATE.start_main_~x~4 120), 59221#(<= ULTIMATE.start_main_~x~4 122), 59222#(<= ULTIMATE.start_main_~x~4 124), 59223#(<= ULTIMATE.start_main_~x~4 126), 59224#(<= ULTIMATE.start_main_~x~4 128), 59225#(<= ULTIMATE.start_main_~x~4 130), 59226#(<= ULTIMATE.start_main_~x~4 132), 59227#(<= ULTIMATE.start_main_~x~4 134), 59228#(<= ULTIMATE.start_main_~x~4 136), 59229#(<= ULTIMATE.start_main_~x~4 138), 59230#(<= ULTIMATE.start_main_~x~4 140), 59231#(<= ULTIMATE.start_main_~x~4 142), 59232#(<= ULTIMATE.start_main_~x~4 144), 59233#(<= ULTIMATE.start_main_~x~4 146), 59234#(<= ULTIMATE.start_main_~x~4 148), 59235#(<= ULTIMATE.start_main_~x~4 150), 59236#(<= ULTIMATE.start_main_~x~4 152), 59237#(<= ULTIMATE.start_main_~x~4 154), 59238#(<= ULTIMATE.start_main_~x~4 156), 59239#(<= ULTIMATE.start_main_~x~4 158), 59240#(<= ULTIMATE.start_main_~x~4 160), 59241#(<= ULTIMATE.start_main_~x~4 162), 59242#(<= ULTIMATE.start_main_~x~4 164), 59243#(<= ULTIMATE.start_main_~x~4 166), 59244#(<= ULTIMATE.start_main_~x~4 168), 59245#(<= ULTIMATE.start_main_~x~4 170), 59246#(<= ULTIMATE.start_main_~x~4 172), 59247#(<= ULTIMATE.start_main_~x~4 174), 59248#(<= ULTIMATE.start_main_~x~4 176), 59249#(<= ULTIMATE.start_main_~x~4 178), 59250#(<= ULTIMATE.start_main_~x~4 180), 59251#(<= ULTIMATE.start_main_~x~4 182), 59252#(<= ULTIMATE.start_main_~x~4 184), 59253#(<= ULTIMATE.start_main_~x~4 186), 59254#(<= ULTIMATE.start_main_~x~4 188), 59255#(<= ULTIMATE.start_main_~x~4 190), 59256#(<= ULTIMATE.start_main_~x~4 192), 59257#(<= ULTIMATE.start_main_~x~4 194), 59258#(<= ULTIMATE.start_main_~x~4 196), 59259#(<= ULTIMATE.start_main_~x~4 198), 59260#(<= ULTIMATE.start_main_~x~4 200), 59261#(<= ULTIMATE.start_main_~x~4 202), 59262#(<= ULTIMATE.start_main_~x~4 204), 59263#(<= ULTIMATE.start_main_~x~4 206), 59264#(<= ULTIMATE.start_main_~x~4 208), 59265#(<= ULTIMATE.start_main_~x~4 210), 59266#(<= ULTIMATE.start_main_~x~4 212), 59267#(<= ULTIMATE.start_main_~x~4 214), 59268#(<= ULTIMATE.start_main_~x~4 216), 59269#(<= ULTIMATE.start_main_~x~4 218), 59270#(<= ULTIMATE.start_main_~x~4 220), 59271#(<= ULTIMATE.start_main_~x~4 222), 59272#(<= ULTIMATE.start_main_~x~4 224), 59273#(<= ULTIMATE.start_main_~x~4 226), 59274#(<= ULTIMATE.start_main_~x~4 228), 59275#(<= ULTIMATE.start_main_~x~4 230), 59276#(<= ULTIMATE.start_main_~x~4 232), 59277#(<= ULTIMATE.start_main_~x~4 234), 59278#(<= ULTIMATE.start_main_~x~4 236), 59279#(<= ULTIMATE.start_main_~x~4 238), 59280#(<= ULTIMATE.start_main_~x~4 240), 59281#(<= ULTIMATE.start_main_~x~4 242), 59282#(<= ULTIMATE.start_main_~x~4 244), 59283#(<= ULTIMATE.start_main_~x~4 246), 59284#(<= ULTIMATE.start_main_~x~4 248), 59285#(<= ULTIMATE.start_main_~x~4 250), 59286#(<= ULTIMATE.start_main_~x~4 252), 59287#(<= ULTIMATE.start_main_~x~4 254), 59288#(<= ULTIMATE.start_main_~x~4 256), 59289#(<= ULTIMATE.start_main_~x~4 258), 59290#(<= ULTIMATE.start_main_~x~4 260), 59291#(<= ULTIMATE.start_main_~x~4 262), 59292#(<= ULTIMATE.start_main_~x~4 264), 59293#(<= ULTIMATE.start_main_~x~4 266), 59294#(<= ULTIMATE.start_main_~x~4 268), 59295#(<= ULTIMATE.start_main_~x~4 270), 59296#(<= ULTIMATE.start_main_~x~4 272), 59297#(<= ULTIMATE.start_main_~x~4 274), 59298#(<= ULTIMATE.start_main_~x~4 276), 59299#(<= ULTIMATE.start_main_~x~4 278), 59300#(<= ULTIMATE.start_main_~x~4 280), 59301#(<= ULTIMATE.start_main_~x~4 282), 59302#(<= ULTIMATE.start_main_~x~4 284), 59303#(<= ULTIMATE.start_main_~x~4 286), 59304#(<= ULTIMATE.start_main_~x~4 288), 59305#(<= ULTIMATE.start_main_~x~4 290), 59306#(<= ULTIMATE.start_main_~x~4 292), 59307#(<= ULTIMATE.start_main_~x~4 294), 59308#(<= ULTIMATE.start_main_~x~4 296), 59309#(<= ULTIMATE.start_main_~x~4 298), 59310#(<= ULTIMATE.start_main_~x~4 300), 59311#(<= ULTIMATE.start_main_~x~4 302), 59312#(<= ULTIMATE.start_main_~x~4 304), 59313#(<= ULTIMATE.start_main_~x~4 306), 59314#(<= ULTIMATE.start_main_~x~4 308)] [2018-07-23 13:42:23,108 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 13:42:23,108 INFO L450 AbstractCegarLoop]: Interpolant automaton has 152 states [2018-07-23 13:42:23,109 INFO L132 InterpolantAutomaton]: Constructing interpolant automaton starting with 152 interpolants. [2018-07-23 13:42:23,111 INFO L133 InterpolantAutomaton]: CoverageRelationStatistics Valid=11476, Invalid=11476, Unknown=0, NotChecked=0, Total=22952 [2018-07-23 13:42:23,111 INFO L87 Difference]: Start difference. First operand 153 states and 153 transitions. Second operand 152 states. [2018-07-23 13:42:23,556 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2018-07-23 13:42:23,557 INFO L93 Difference]: Finished difference Result 156 states and 156 transitions. [2018-07-23 13:42:23,557 INFO L142 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 152 states. [2018-07-23 13:42:23,557 INFO L78 Accepts]: Start accepts. Automaton has 152 states. Word has length 152 [2018-07-23 13:42:23,557 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2018-07-23 13:42:23,558 INFO L225 Difference]: With dead ends: 156 [2018-07-23 13:42:23,558 INFO L226 Difference]: Without dead ends: 154 [2018-07-23 13:42:23,560 INFO L575 BasicCegarLoop]: 0 DeclaredPredicates, 151 GetRequests, 1 SyntacticMatches, 0 SemanticMatches, 150 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 0 ImplicationChecksByTransitivity, 0.4s TimeCoverageRelationStatistics Valid=11476, Invalid=11476, Unknown=0, NotChecked=0, Total=22952 [2018-07-23 13:42:23,560 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 154 states. [2018-07-23 13:42:23,562 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 154 to 154. [2018-07-23 13:42:23,562 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 154 states. [2018-07-23 13:42:23,562 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 154 states to 154 states and 154 transitions. [2018-07-23 13:42:23,562 INFO L78 Accepts]: Start accepts. Automaton has 154 states and 154 transitions. Word has length 152 [2018-07-23 13:42:23,563 INFO L84 Accepts]: Finished accepts. word is rejected. [2018-07-23 13:42:23,563 INFO L471 AbstractCegarLoop]: Abstraction has 154 states and 154 transitions. [2018-07-23 13:42:23,563 INFO L472 AbstractCegarLoop]: Interpolant automaton has 152 states. [2018-07-23 13:42:23,563 INFO L276 IsEmpty]: Start isEmpty. Operand 154 states and 154 transitions. [2018-07-23 13:42:23,563 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 154 [2018-07-23 13:42:23,563 INFO L349 BasicCegarLoop]: Found error trace [2018-07-23 13:42:23,563 INFO L357 BasicCegarLoop]: trace histogram [150, 1, 1, 1] [2018-07-23 13:42:23,564 INFO L414 AbstractCegarLoop]: === Iteration 151 === [ULTIMATE.startErr0AssertViolationASSERT]=== [2018-07-23 13:42:23,564 INFO L82 PathProgramCache]: Analyzing trace with hash -1854389535, now seen corresponding path program 150 times [2018-07-23 13:42:23,564 INFO L69 tionRefinementEngine]: Using refinement strategy FixedRefinementStrategy [2018-07-23 13:42:23,580 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-07-23 13:42:24,083 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 13:42:24,083 INFO L309 seRefinementStrategy]: Constructing automaton from 0 perfect and 1 imperfect interpolant sequences. [2018-07-23 13:42:24,083 INFO L324 seRefinementStrategy]: Number of different interpolants: perfect sequences [] imperfect sequences [152] total 152 [2018-07-23 13:42:24,083 INFO L142 lantAutomatonBuilder]: Constructing canonical interpolant automaton, with selfloop in false state [2018-07-23 13:42:24,083 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2018-07-23 13:42:24,084 INFO L185 omatonBuilderFactory]: Interpolants [59935#true, 59936#false, 59937#(<= ULTIMATE.start_main_~x~4 10), 59938#(<= ULTIMATE.start_main_~x~4 12), 59939#(<= ULTIMATE.start_main_~x~4 14), 59940#(<= ULTIMATE.start_main_~x~4 16), 59941#(<= ULTIMATE.start_main_~x~4 18), 59942#(<= ULTIMATE.start_main_~x~4 20), 59943#(<= ULTIMATE.start_main_~x~4 22), 59944#(<= ULTIMATE.start_main_~x~4 24), 59945#(<= ULTIMATE.start_main_~x~4 26), 59946#(<= ULTIMATE.start_main_~x~4 28), 59947#(<= ULTIMATE.start_main_~x~4 30), 59948#(<= ULTIMATE.start_main_~x~4 32), 59949#(<= ULTIMATE.start_main_~x~4 34), 59950#(<= ULTIMATE.start_main_~x~4 36), 59951#(<= ULTIMATE.start_main_~x~4 38), 59952#(<= ULTIMATE.start_main_~x~4 40), 59953#(<= ULTIMATE.start_main_~x~4 42), 59954#(<= ULTIMATE.start_main_~x~4 44), 59955#(<= ULTIMATE.start_main_~x~4 46), 59956#(<= ULTIMATE.start_main_~x~4 48), 59957#(<= ULTIMATE.start_main_~x~4 50), 59958#(<= ULTIMATE.start_main_~x~4 52), 59959#(<= ULTIMATE.start_main_~x~4 54), 59960#(<= ULTIMATE.start_main_~x~4 56), 59961#(<= ULTIMATE.start_main_~x~4 58), 59962#(<= ULTIMATE.start_main_~x~4 60), 59963#(<= ULTIMATE.start_main_~x~4 62), 59964#(<= ULTIMATE.start_main_~x~4 64), 59965#(<= ULTIMATE.start_main_~x~4 66), 59966#(<= ULTIMATE.start_main_~x~4 68), 59967#(<= ULTIMATE.start_main_~x~4 70), 59968#(<= ULTIMATE.start_main_~x~4 72), 59969#(<= ULTIMATE.start_main_~x~4 74), 59970#(<= ULTIMATE.start_main_~x~4 76), 59971#(<= ULTIMATE.start_main_~x~4 78), 59972#(<= ULTIMATE.start_main_~x~4 80), 59973#(<= ULTIMATE.start_main_~x~4 82), 59974#(<= ULTIMATE.start_main_~x~4 84), 59975#(<= ULTIMATE.start_main_~x~4 86), 59976#(<= ULTIMATE.start_main_~x~4 88), 59977#(<= ULTIMATE.start_main_~x~4 90), 59978#(<= ULTIMATE.start_main_~x~4 92), 59979#(<= ULTIMATE.start_main_~x~4 94), 59980#(<= ULTIMATE.start_main_~x~4 96), 59981#(<= ULTIMATE.start_main_~x~4 98), 59982#(<= ULTIMATE.start_main_~x~4 100), 59983#(<= ULTIMATE.start_main_~x~4 102), 59984#(<= ULTIMATE.start_main_~x~4 104), 59985#(<= ULTIMATE.start_main_~x~4 106), 59986#(<= ULTIMATE.start_main_~x~4 108), 59987#(<= ULTIMATE.start_main_~x~4 110), 59988#(<= ULTIMATE.start_main_~x~4 112), 59989#(<= ULTIMATE.start_main_~x~4 114), 59990#(<= ULTIMATE.start_main_~x~4 116), 59991#(<= ULTIMATE.start_main_~x~4 118), 59992#(<= ULTIMATE.start_main_~x~4 120), 59993#(<= ULTIMATE.start_main_~x~4 122), 59994#(<= ULTIMATE.start_main_~x~4 124), 59995#(<= ULTIMATE.start_main_~x~4 126), 59996#(<= ULTIMATE.start_main_~x~4 128), 59997#(<= ULTIMATE.start_main_~x~4 130), 59998#(<= ULTIMATE.start_main_~x~4 132), 59999#(<= ULTIMATE.start_main_~x~4 134), 60000#(<= ULTIMATE.start_main_~x~4 136), 60001#(<= ULTIMATE.start_main_~x~4 138), 60002#(<= ULTIMATE.start_main_~x~4 140), 60003#(<= ULTIMATE.start_main_~x~4 142), 60004#(<= ULTIMATE.start_main_~x~4 144), 60005#(<= ULTIMATE.start_main_~x~4 146), 60006#(<= ULTIMATE.start_main_~x~4 148), 60007#(<= ULTIMATE.start_main_~x~4 150), 60008#(<= ULTIMATE.start_main_~x~4 152), 60009#(<= ULTIMATE.start_main_~x~4 154), 60010#(<= ULTIMATE.start_main_~x~4 156), 60011#(<= ULTIMATE.start_main_~x~4 158), 60012#(<= ULTIMATE.start_main_~x~4 160), 60013#(<= ULTIMATE.start_main_~x~4 162), 60014#(<= ULTIMATE.start_main_~x~4 164), 60015#(<= ULTIMATE.start_main_~x~4 166), 60016#(<= ULTIMATE.start_main_~x~4 168), 60017#(<= ULTIMATE.start_main_~x~4 170), 60018#(<= ULTIMATE.start_main_~x~4 172), 60019#(<= ULTIMATE.start_main_~x~4 174), 60020#(<= ULTIMATE.start_main_~x~4 176), 60021#(<= ULTIMATE.start_main_~x~4 178), 60022#(<= ULTIMATE.start_main_~x~4 180), 60023#(<= ULTIMATE.start_main_~x~4 182), 60024#(<= ULTIMATE.start_main_~x~4 184), 60025#(<= ULTIMATE.start_main_~x~4 186), 60026#(<= ULTIMATE.start_main_~x~4 188), 60027#(<= ULTIMATE.start_main_~x~4 190), 60028#(<= ULTIMATE.start_main_~x~4 192), 60029#(<= ULTIMATE.start_main_~x~4 194), 60030#(<= ULTIMATE.start_main_~x~4 196), 60031#(<= ULTIMATE.start_main_~x~4 198), 60032#(<= ULTIMATE.start_main_~x~4 200), 60033#(<= ULTIMATE.start_main_~x~4 202), 60034#(<= ULTIMATE.start_main_~x~4 204), 60035#(<= ULTIMATE.start_main_~x~4 206), 60036#(<= ULTIMATE.start_main_~x~4 208), 60037#(<= ULTIMATE.start_main_~x~4 210), 60038#(<= ULTIMATE.start_main_~x~4 212), 60039#(<= ULTIMATE.start_main_~x~4 214), 60040#(<= ULTIMATE.start_main_~x~4 216), 60041#(<= ULTIMATE.start_main_~x~4 218), 60042#(<= ULTIMATE.start_main_~x~4 220), 60043#(<= ULTIMATE.start_main_~x~4 222), 60044#(<= ULTIMATE.start_main_~x~4 224), 60045#(<= ULTIMATE.start_main_~x~4 226), 60046#(<= ULTIMATE.start_main_~x~4 228), 60047#(<= ULTIMATE.start_main_~x~4 230), 60048#(<= ULTIMATE.start_main_~x~4 232), 60049#(<= ULTIMATE.start_main_~x~4 234), 60050#(<= ULTIMATE.start_main_~x~4 236), 60051#(<= ULTIMATE.start_main_~x~4 238), 60052#(<= ULTIMATE.start_main_~x~4 240), 60053#(<= ULTIMATE.start_main_~x~4 242), 60054#(<= ULTIMATE.start_main_~x~4 244), 60055#(<= ULTIMATE.start_main_~x~4 246), 60056#(<= ULTIMATE.start_main_~x~4 248), 60057#(<= ULTIMATE.start_main_~x~4 250), 60058#(<= ULTIMATE.start_main_~x~4 252), 60059#(<= ULTIMATE.start_main_~x~4 254), 60060#(<= ULTIMATE.start_main_~x~4 256), 60061#(<= ULTIMATE.start_main_~x~4 258), 60062#(<= ULTIMATE.start_main_~x~4 260), 60063#(<= ULTIMATE.start_main_~x~4 262), 60064#(<= ULTIMATE.start_main_~x~4 264), 60065#(<= ULTIMATE.start_main_~x~4 266), 60066#(<= ULTIMATE.start_main_~x~4 268), 60067#(<= ULTIMATE.start_main_~x~4 270), 60068#(<= ULTIMATE.start_main_~x~4 272), 60069#(<= ULTIMATE.start_main_~x~4 274), 60070#(<= ULTIMATE.start_main_~x~4 276), 60071#(<= ULTIMATE.start_main_~x~4 278), 60072#(<= ULTIMATE.start_main_~x~4 280), 60073#(<= ULTIMATE.start_main_~x~4 282), 60074#(<= ULTIMATE.start_main_~x~4 284), 60075#(<= ULTIMATE.start_main_~x~4 286), 60076#(<= ULTIMATE.start_main_~x~4 288), 60077#(<= ULTIMATE.start_main_~x~4 290), 60078#(<= ULTIMATE.start_main_~x~4 292), 60079#(<= ULTIMATE.start_main_~x~4 294), 60080#(<= ULTIMATE.start_main_~x~4 296), 60081#(<= ULTIMATE.start_main_~x~4 298), 60082#(<= ULTIMATE.start_main_~x~4 300), 60083#(<= ULTIMATE.start_main_~x~4 302), 60084#(<= ULTIMATE.start_main_~x~4 304), 60085#(<= ULTIMATE.start_main_~x~4 306), 60086#(<= ULTIMATE.start_main_~x~4 308), 60087#(<= ULTIMATE.start_main_~x~4 310)] [2018-07-23 13:42:24,085 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 13:42:24,085 INFO L450 AbstractCegarLoop]: Interpolant automaton has 153 states [2018-07-23 13:42:24,087 INFO L132 InterpolantAutomaton]: Constructing interpolant automaton starting with 153 interpolants. [2018-07-23 13:42:24,088 INFO L133 InterpolantAutomaton]: CoverageRelationStatistics Valid=11628, Invalid=11628, Unknown=0, NotChecked=0, Total=23256 [2018-07-23 13:42:24,089 INFO L87 Difference]: Start difference. First operand 154 states and 154 transitions. Second operand 153 states. [2018-07-23 13:42:24,465 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2018-07-23 13:42:24,465 INFO L93 Difference]: Finished difference Result 157 states and 157 transitions. [2018-07-23 13:42:24,465 INFO L142 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 153 states. [2018-07-23 13:42:24,465 INFO L78 Accepts]: Start accepts. Automaton has 153 states. Word has length 153 [2018-07-23 13:42:24,466 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2018-07-23 13:42:24,466 INFO L225 Difference]: With dead ends: 157 [2018-07-23 13:42:24,466 INFO L226 Difference]: Without dead ends: 155 [2018-07-23 13:42:24,467 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 13:42:24,467 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 155 states. [2018-07-23 13:42:24,470 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 155 to 155. [2018-07-23 13:42:24,470 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 155 states. [2018-07-23 13:42:24,470 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 155 states to 155 states and 155 transitions. [2018-07-23 13:42:24,470 INFO L78 Accepts]: Start accepts. Automaton has 155 states and 155 transitions. Word has length 153 [2018-07-23 13:42:24,470 INFO L84 Accepts]: Finished accepts. word is rejected. [2018-07-23 13:42:24,470 INFO L471 AbstractCegarLoop]: Abstraction has 155 states and 155 transitions. [2018-07-23 13:42:24,471 INFO L472 AbstractCegarLoop]: Interpolant automaton has 153 states. [2018-07-23 13:42:24,471 INFO L276 IsEmpty]: Start isEmpty. Operand 155 states and 155 transitions. [2018-07-23 13:42:24,471 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 155 [2018-07-23 13:42:24,471 INFO L349 BasicCegarLoop]: Found error trace [2018-07-23 13:42:24,471 INFO L357 BasicCegarLoop]: trace histogram [151, 1, 1, 1] [2018-07-23 13:42:24,471 INFO L414 AbstractCegarLoop]: === Iteration 152 === [ULTIMATE.startErr0AssertViolationASSERT]=== [2018-07-23 13:42:24,472 INFO L82 PathProgramCache]: Analyzing trace with hash -1651502712, now seen corresponding path program 151 times [2018-07-23 13:42:24,472 INFO L69 tionRefinementEngine]: Using refinement strategy FixedRefinementStrategy [2018-07-23 13:42:24,484 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-07-23 13:42:25,001 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 13:42:25,001 INFO L309 seRefinementStrategy]: Constructing automaton from 0 perfect and 1 imperfect interpolant sequences. [2018-07-23 13:42:25,001 INFO L324 seRefinementStrategy]: Number of different interpolants: perfect sequences [] imperfect sequences [153] total 153 [2018-07-23 13:42:25,001 INFO L142 lantAutomatonBuilder]: Constructing canonical interpolant automaton, with selfloop in false state [2018-07-23 13:42:25,001 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 13:42:25,002 INFO L185 omatonBuilderFactory]: Interpolants [60712#true, 60713#false, 60714#(<= ULTIMATE.start_main_~x~4 10), 60715#(<= ULTIMATE.start_main_~x~4 12), 60716#(<= ULTIMATE.start_main_~x~4 14), 60717#(<= ULTIMATE.start_main_~x~4 16), 60718#(<= ULTIMATE.start_main_~x~4 18), 60719#(<= ULTIMATE.start_main_~x~4 20), 60720#(<= ULTIMATE.start_main_~x~4 22), 60721#(<= ULTIMATE.start_main_~x~4 24), 60722#(<= ULTIMATE.start_main_~x~4 26), 60723#(<= ULTIMATE.start_main_~x~4 28), 60724#(<= ULTIMATE.start_main_~x~4 30), 60725#(<= ULTIMATE.start_main_~x~4 32), 60726#(<= ULTIMATE.start_main_~x~4 34), 60727#(<= ULTIMATE.start_main_~x~4 36), 60728#(<= ULTIMATE.start_main_~x~4 38), 60729#(<= ULTIMATE.start_main_~x~4 40), 60730#(<= ULTIMATE.start_main_~x~4 42), 60731#(<= ULTIMATE.start_main_~x~4 44), 60732#(<= ULTIMATE.start_main_~x~4 46), 60733#(<= ULTIMATE.start_main_~x~4 48), 60734#(<= ULTIMATE.start_main_~x~4 50), 60735#(<= ULTIMATE.start_main_~x~4 52), 60736#(<= ULTIMATE.start_main_~x~4 54), 60737#(<= ULTIMATE.start_main_~x~4 56), 60738#(<= ULTIMATE.start_main_~x~4 58), 60739#(<= ULTIMATE.start_main_~x~4 60), 60740#(<= ULTIMATE.start_main_~x~4 62), 60741#(<= ULTIMATE.start_main_~x~4 64), 60742#(<= ULTIMATE.start_main_~x~4 66), 60743#(<= ULTIMATE.start_main_~x~4 68), 60744#(<= ULTIMATE.start_main_~x~4 70), 60745#(<= ULTIMATE.start_main_~x~4 72), 60746#(<= ULTIMATE.start_main_~x~4 74), 60747#(<= ULTIMATE.start_main_~x~4 76), 60748#(<= ULTIMATE.start_main_~x~4 78), 60749#(<= ULTIMATE.start_main_~x~4 80), 60750#(<= ULTIMATE.start_main_~x~4 82), 60751#(<= ULTIMATE.start_main_~x~4 84), 60752#(<= ULTIMATE.start_main_~x~4 86), 60753#(<= ULTIMATE.start_main_~x~4 88), 60754#(<= ULTIMATE.start_main_~x~4 90), 60755#(<= ULTIMATE.start_main_~x~4 92), 60756#(<= ULTIMATE.start_main_~x~4 94), 60757#(<= ULTIMATE.start_main_~x~4 96), 60758#(<= ULTIMATE.start_main_~x~4 98), 60759#(<= ULTIMATE.start_main_~x~4 100), 60760#(<= ULTIMATE.start_main_~x~4 102), 60761#(<= ULTIMATE.start_main_~x~4 104), 60762#(<= ULTIMATE.start_main_~x~4 106), 60763#(<= ULTIMATE.start_main_~x~4 108), 60764#(<= ULTIMATE.start_main_~x~4 110), 60765#(<= ULTIMATE.start_main_~x~4 112), 60766#(<= ULTIMATE.start_main_~x~4 114), 60767#(<= ULTIMATE.start_main_~x~4 116), 60768#(<= ULTIMATE.start_main_~x~4 118), 60769#(<= ULTIMATE.start_main_~x~4 120), 60770#(<= ULTIMATE.start_main_~x~4 122), 60771#(<= ULTIMATE.start_main_~x~4 124), 60772#(<= ULTIMATE.start_main_~x~4 126), 60773#(<= ULTIMATE.start_main_~x~4 128), 60774#(<= ULTIMATE.start_main_~x~4 130), 60775#(<= ULTIMATE.start_main_~x~4 132), 60776#(<= ULTIMATE.start_main_~x~4 134), 60777#(<= ULTIMATE.start_main_~x~4 136), 60778#(<= ULTIMATE.start_main_~x~4 138), 60779#(<= ULTIMATE.start_main_~x~4 140), 60780#(<= ULTIMATE.start_main_~x~4 142), 60781#(<= ULTIMATE.start_main_~x~4 144), 60782#(<= ULTIMATE.start_main_~x~4 146), 60783#(<= ULTIMATE.start_main_~x~4 148), 60784#(<= ULTIMATE.start_main_~x~4 150), 60785#(<= ULTIMATE.start_main_~x~4 152), 60786#(<= ULTIMATE.start_main_~x~4 154), 60787#(<= ULTIMATE.start_main_~x~4 156), 60788#(<= ULTIMATE.start_main_~x~4 158), 60789#(<= ULTIMATE.start_main_~x~4 160), 60790#(<= ULTIMATE.start_main_~x~4 162), 60791#(<= ULTIMATE.start_main_~x~4 164), 60792#(<= ULTIMATE.start_main_~x~4 166), 60793#(<= ULTIMATE.start_main_~x~4 168), 60794#(<= ULTIMATE.start_main_~x~4 170), 60795#(<= ULTIMATE.start_main_~x~4 172), 60796#(<= ULTIMATE.start_main_~x~4 174), 60797#(<= ULTIMATE.start_main_~x~4 176), 60798#(<= ULTIMATE.start_main_~x~4 178), 60799#(<= ULTIMATE.start_main_~x~4 180), 60800#(<= ULTIMATE.start_main_~x~4 182), 60801#(<= ULTIMATE.start_main_~x~4 184), 60802#(<= ULTIMATE.start_main_~x~4 186), 60803#(<= ULTIMATE.start_main_~x~4 188), 60804#(<= ULTIMATE.start_main_~x~4 190), 60805#(<= ULTIMATE.start_main_~x~4 192), 60806#(<= ULTIMATE.start_main_~x~4 194), 60807#(<= ULTIMATE.start_main_~x~4 196), 60808#(<= ULTIMATE.start_main_~x~4 198), 60809#(<= ULTIMATE.start_main_~x~4 200), 60810#(<= ULTIMATE.start_main_~x~4 202), 60811#(<= ULTIMATE.start_main_~x~4 204), 60812#(<= ULTIMATE.start_main_~x~4 206), 60813#(<= ULTIMATE.start_main_~x~4 208), 60814#(<= ULTIMATE.start_main_~x~4 210), 60815#(<= ULTIMATE.start_main_~x~4 212), 60816#(<= ULTIMATE.start_main_~x~4 214), 60817#(<= ULTIMATE.start_main_~x~4 216), 60818#(<= ULTIMATE.start_main_~x~4 218), 60819#(<= ULTIMATE.start_main_~x~4 220), 60820#(<= ULTIMATE.start_main_~x~4 222), 60821#(<= ULTIMATE.start_main_~x~4 224), 60822#(<= ULTIMATE.start_main_~x~4 226), 60823#(<= ULTIMATE.start_main_~x~4 228), 60824#(<= ULTIMATE.start_main_~x~4 230), 60825#(<= ULTIMATE.start_main_~x~4 232), 60826#(<= ULTIMATE.start_main_~x~4 234), 60827#(<= ULTIMATE.start_main_~x~4 236), 60828#(<= ULTIMATE.start_main_~x~4 238), 60829#(<= ULTIMATE.start_main_~x~4 240), 60830#(<= ULTIMATE.start_main_~x~4 242), 60831#(<= ULTIMATE.start_main_~x~4 244), 60832#(<= ULTIMATE.start_main_~x~4 246), 60833#(<= ULTIMATE.start_main_~x~4 248), 60834#(<= ULTIMATE.start_main_~x~4 250), 60835#(<= ULTIMATE.start_main_~x~4 252), 60836#(<= ULTIMATE.start_main_~x~4 254), 60837#(<= ULTIMATE.start_main_~x~4 256), 60838#(<= ULTIMATE.start_main_~x~4 258), 60839#(<= ULTIMATE.start_main_~x~4 260), 60840#(<= ULTIMATE.start_main_~x~4 262), 60841#(<= ULTIMATE.start_main_~x~4 264), 60842#(<= ULTIMATE.start_main_~x~4 266), 60843#(<= ULTIMATE.start_main_~x~4 268), 60844#(<= ULTIMATE.start_main_~x~4 270), 60845#(<= ULTIMATE.start_main_~x~4 272), 60846#(<= ULTIMATE.start_main_~x~4 274), 60847#(<= ULTIMATE.start_main_~x~4 276), 60848#(<= ULTIMATE.start_main_~x~4 278), 60849#(<= ULTIMATE.start_main_~x~4 280), 60850#(<= ULTIMATE.start_main_~x~4 282), 60851#(<= ULTIMATE.start_main_~x~4 284), 60852#(<= ULTIMATE.start_main_~x~4 286), 60853#(<= ULTIMATE.start_main_~x~4 288), 60854#(<= ULTIMATE.start_main_~x~4 290), 60855#(<= ULTIMATE.start_main_~x~4 292), 60856#(<= ULTIMATE.start_main_~x~4 294), 60857#(<= ULTIMATE.start_main_~x~4 296), 60858#(<= ULTIMATE.start_main_~x~4 298), 60859#(<= ULTIMATE.start_main_~x~4 300), 60860#(<= ULTIMATE.start_main_~x~4 302), 60861#(<= ULTIMATE.start_main_~x~4 304), 60862#(<= ULTIMATE.start_main_~x~4 306), 60863#(<= ULTIMATE.start_main_~x~4 308), 60864#(<= ULTIMATE.start_main_~x~4 310), 60865#(<= ULTIMATE.start_main_~x~4 312)] [2018-07-23 13:42:25,002 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 13:42:25,003 INFO L450 AbstractCegarLoop]: Interpolant automaton has 154 states [2018-07-23 13:42:25,004 INFO L132 InterpolantAutomaton]: Constructing interpolant automaton starting with 154 interpolants. [2018-07-23 13:42:25,006 INFO L133 InterpolantAutomaton]: CoverageRelationStatistics Valid=11781, Invalid=11781, Unknown=0, NotChecked=0, Total=23562 [2018-07-23 13:42:25,006 INFO L87 Difference]: Start difference. First operand 155 states and 155 transitions. Second operand 154 states. [2018-07-23 13:42:25,396 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2018-07-23 13:42:25,396 INFO L93 Difference]: Finished difference Result 158 states and 158 transitions. [2018-07-23 13:42:25,396 INFO L142 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 154 states. [2018-07-23 13:42:25,396 INFO L78 Accepts]: Start accepts. Automaton has 154 states. Word has length 154 [2018-07-23 13:42:25,396 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2018-07-23 13:42:25,397 INFO L225 Difference]: With dead ends: 158 [2018-07-23 13:42:25,397 INFO L226 Difference]: Without dead ends: 156 [2018-07-23 13:42:25,398 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 13:42:25,398 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 156 states. [2018-07-23 13:42:25,400 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 156 to 156. [2018-07-23 13:42:25,400 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 156 states. [2018-07-23 13:42:25,400 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 156 states to 156 states and 156 transitions. [2018-07-23 13:42:25,400 INFO L78 Accepts]: Start accepts. Automaton has 156 states and 156 transitions. Word has length 154 [2018-07-23 13:42:25,401 INFO L84 Accepts]: Finished accepts. word is rejected. [2018-07-23 13:42:25,401 INFO L471 AbstractCegarLoop]: Abstraction has 156 states and 156 transitions. [2018-07-23 13:42:25,401 INFO L472 AbstractCegarLoop]: Interpolant automaton has 154 states. [2018-07-23 13:42:25,401 INFO L276 IsEmpty]: Start isEmpty. Operand 156 states and 156 transitions. [2018-07-23 13:42:25,401 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 156 [2018-07-23 13:42:25,401 INFO L349 BasicCegarLoop]: Found error trace [2018-07-23 13:42:25,401 INFO L357 BasicCegarLoop]: trace histogram [152, 1, 1, 1] [2018-07-23 13:42:25,401 INFO L414 AbstractCegarLoop]: === Iteration 153 === [ULTIMATE.startErr0AssertViolationASSERT]=== [2018-07-23 13:42:25,402 INFO L82 PathProgramCache]: Analyzing trace with hash 343021505, now seen corresponding path program 152 times [2018-07-23 13:42:25,402 INFO L69 tionRefinementEngine]: Using refinement strategy FixedRefinementStrategy [2018-07-23 13:42:25,415 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-07-23 13:42:26,044 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 13:42:26,045 INFO L309 seRefinementStrategy]: Constructing automaton from 0 perfect and 1 imperfect interpolant sequences. [2018-07-23 13:42:26,045 INFO L324 seRefinementStrategy]: Number of different interpolants: perfect sequences [] imperfect sequences [154] total 154 [2018-07-23 13:42:26,045 INFO L142 lantAutomatonBuilder]: Constructing canonical interpolant automaton, with selfloop in false state [2018-07-23 13:42:26,045 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2018-07-23 13:42:26,045 INFO L185 omatonBuilderFactory]: Interpolants [61494#true, 61495#false, 61496#(<= ULTIMATE.start_main_~x~4 10), 61497#(<= ULTIMATE.start_main_~x~4 12), 61498#(<= ULTIMATE.start_main_~x~4 14), 61499#(<= ULTIMATE.start_main_~x~4 16), 61500#(<= ULTIMATE.start_main_~x~4 18), 61501#(<= ULTIMATE.start_main_~x~4 20), 61502#(<= ULTIMATE.start_main_~x~4 22), 61503#(<= ULTIMATE.start_main_~x~4 24), 61504#(<= ULTIMATE.start_main_~x~4 26), 61505#(<= ULTIMATE.start_main_~x~4 28), 61506#(<= ULTIMATE.start_main_~x~4 30), 61507#(<= ULTIMATE.start_main_~x~4 32), 61508#(<= ULTIMATE.start_main_~x~4 34), 61509#(<= ULTIMATE.start_main_~x~4 36), 61510#(<= ULTIMATE.start_main_~x~4 38), 61511#(<= ULTIMATE.start_main_~x~4 40), 61512#(<= ULTIMATE.start_main_~x~4 42), 61513#(<= ULTIMATE.start_main_~x~4 44), 61514#(<= ULTIMATE.start_main_~x~4 46), 61515#(<= ULTIMATE.start_main_~x~4 48), 61516#(<= ULTIMATE.start_main_~x~4 50), 61517#(<= ULTIMATE.start_main_~x~4 52), 61518#(<= ULTIMATE.start_main_~x~4 54), 61519#(<= ULTIMATE.start_main_~x~4 56), 61520#(<= ULTIMATE.start_main_~x~4 58), 61521#(<= ULTIMATE.start_main_~x~4 60), 61522#(<= ULTIMATE.start_main_~x~4 62), 61523#(<= ULTIMATE.start_main_~x~4 64), 61524#(<= ULTIMATE.start_main_~x~4 66), 61525#(<= ULTIMATE.start_main_~x~4 68), 61526#(<= ULTIMATE.start_main_~x~4 70), 61527#(<= ULTIMATE.start_main_~x~4 72), 61528#(<= ULTIMATE.start_main_~x~4 74), 61529#(<= ULTIMATE.start_main_~x~4 76), 61530#(<= ULTIMATE.start_main_~x~4 78), 61531#(<= ULTIMATE.start_main_~x~4 80), 61532#(<= ULTIMATE.start_main_~x~4 82), 61533#(<= ULTIMATE.start_main_~x~4 84), 61534#(<= ULTIMATE.start_main_~x~4 86), 61535#(<= ULTIMATE.start_main_~x~4 88), 61536#(<= ULTIMATE.start_main_~x~4 90), 61537#(<= ULTIMATE.start_main_~x~4 92), 61538#(<= ULTIMATE.start_main_~x~4 94), 61539#(<= ULTIMATE.start_main_~x~4 96), 61540#(<= ULTIMATE.start_main_~x~4 98), 61541#(<= ULTIMATE.start_main_~x~4 100), 61542#(<= ULTIMATE.start_main_~x~4 102), 61543#(<= ULTIMATE.start_main_~x~4 104), 61544#(<= ULTIMATE.start_main_~x~4 106), 61545#(<= ULTIMATE.start_main_~x~4 108), 61546#(<= ULTIMATE.start_main_~x~4 110), 61547#(<= ULTIMATE.start_main_~x~4 112), 61548#(<= ULTIMATE.start_main_~x~4 114), 61549#(<= ULTIMATE.start_main_~x~4 116), 61550#(<= ULTIMATE.start_main_~x~4 118), 61551#(<= ULTIMATE.start_main_~x~4 120), 61552#(<= ULTIMATE.start_main_~x~4 122), 61553#(<= ULTIMATE.start_main_~x~4 124), 61554#(<= ULTIMATE.start_main_~x~4 126), 61555#(<= ULTIMATE.start_main_~x~4 128), 61556#(<= ULTIMATE.start_main_~x~4 130), 61557#(<= ULTIMATE.start_main_~x~4 132), 61558#(<= ULTIMATE.start_main_~x~4 134), 61559#(<= ULTIMATE.start_main_~x~4 136), 61560#(<= ULTIMATE.start_main_~x~4 138), 61561#(<= ULTIMATE.start_main_~x~4 140), 61562#(<= ULTIMATE.start_main_~x~4 142), 61563#(<= ULTIMATE.start_main_~x~4 144), 61564#(<= ULTIMATE.start_main_~x~4 146), 61565#(<= ULTIMATE.start_main_~x~4 148), 61566#(<= ULTIMATE.start_main_~x~4 150), 61567#(<= ULTIMATE.start_main_~x~4 152), 61568#(<= ULTIMATE.start_main_~x~4 154), 61569#(<= ULTIMATE.start_main_~x~4 156), 61570#(<= ULTIMATE.start_main_~x~4 158), 61571#(<= ULTIMATE.start_main_~x~4 160), 61572#(<= ULTIMATE.start_main_~x~4 162), 61573#(<= ULTIMATE.start_main_~x~4 164), 61574#(<= ULTIMATE.start_main_~x~4 166), 61575#(<= ULTIMATE.start_main_~x~4 168), 61576#(<= ULTIMATE.start_main_~x~4 170), 61577#(<= ULTIMATE.start_main_~x~4 172), 61578#(<= ULTIMATE.start_main_~x~4 174), 61579#(<= ULTIMATE.start_main_~x~4 176), 61580#(<= ULTIMATE.start_main_~x~4 178), 61581#(<= ULTIMATE.start_main_~x~4 180), 61582#(<= ULTIMATE.start_main_~x~4 182), 61583#(<= ULTIMATE.start_main_~x~4 184), 61584#(<= ULTIMATE.start_main_~x~4 186), 61585#(<= ULTIMATE.start_main_~x~4 188), 61586#(<= ULTIMATE.start_main_~x~4 190), 61587#(<= ULTIMATE.start_main_~x~4 192), 61588#(<= ULTIMATE.start_main_~x~4 194), 61589#(<= ULTIMATE.start_main_~x~4 196), 61590#(<= ULTIMATE.start_main_~x~4 198), 61591#(<= ULTIMATE.start_main_~x~4 200), 61592#(<= ULTIMATE.start_main_~x~4 202), 61593#(<= ULTIMATE.start_main_~x~4 204), 61594#(<= ULTIMATE.start_main_~x~4 206), 61595#(<= ULTIMATE.start_main_~x~4 208), 61596#(<= ULTIMATE.start_main_~x~4 210), 61597#(<= ULTIMATE.start_main_~x~4 212), 61598#(<= ULTIMATE.start_main_~x~4 214), 61599#(<= ULTIMATE.start_main_~x~4 216), 61600#(<= ULTIMATE.start_main_~x~4 218), 61601#(<= ULTIMATE.start_main_~x~4 220), 61602#(<= ULTIMATE.start_main_~x~4 222), 61603#(<= ULTIMATE.start_main_~x~4 224), 61604#(<= ULTIMATE.start_main_~x~4 226), 61605#(<= ULTIMATE.start_main_~x~4 228), 61606#(<= ULTIMATE.start_main_~x~4 230), 61607#(<= ULTIMATE.start_main_~x~4 232), 61608#(<= ULTIMATE.start_main_~x~4 234), 61609#(<= ULTIMATE.start_main_~x~4 236), 61610#(<= ULTIMATE.start_main_~x~4 238), 61611#(<= ULTIMATE.start_main_~x~4 240), 61612#(<= ULTIMATE.start_main_~x~4 242), 61613#(<= ULTIMATE.start_main_~x~4 244), 61614#(<= ULTIMATE.start_main_~x~4 246), 61615#(<= ULTIMATE.start_main_~x~4 248), 61616#(<= ULTIMATE.start_main_~x~4 250), 61617#(<= ULTIMATE.start_main_~x~4 252), 61618#(<= ULTIMATE.start_main_~x~4 254), 61619#(<= ULTIMATE.start_main_~x~4 256), 61620#(<= ULTIMATE.start_main_~x~4 258), 61621#(<= ULTIMATE.start_main_~x~4 260), 61622#(<= ULTIMATE.start_main_~x~4 262), 61623#(<= ULTIMATE.start_main_~x~4 264), 61624#(<= ULTIMATE.start_main_~x~4 266), 61625#(<= ULTIMATE.start_main_~x~4 268), 61626#(<= ULTIMATE.start_main_~x~4 270), 61627#(<= ULTIMATE.start_main_~x~4 272), 61628#(<= ULTIMATE.start_main_~x~4 274), 61629#(<= ULTIMATE.start_main_~x~4 276), 61630#(<= ULTIMATE.start_main_~x~4 278), 61631#(<= ULTIMATE.start_main_~x~4 280), 61632#(<= ULTIMATE.start_main_~x~4 282), 61633#(<= ULTIMATE.start_main_~x~4 284), 61634#(<= ULTIMATE.start_main_~x~4 286), 61635#(<= ULTIMATE.start_main_~x~4 288), 61636#(<= ULTIMATE.start_main_~x~4 290), 61637#(<= ULTIMATE.start_main_~x~4 292), 61638#(<= ULTIMATE.start_main_~x~4 294), 61639#(<= ULTIMATE.start_main_~x~4 296), 61640#(<= ULTIMATE.start_main_~x~4 298), 61641#(<= ULTIMATE.start_main_~x~4 300), 61642#(<= ULTIMATE.start_main_~x~4 302), 61643#(<= ULTIMATE.start_main_~x~4 304), 61644#(<= ULTIMATE.start_main_~x~4 306), 61645#(<= ULTIMATE.start_main_~x~4 308), 61646#(<= ULTIMATE.start_main_~x~4 310), 61647#(<= ULTIMATE.start_main_~x~4 312), 61648#(<= ULTIMATE.start_main_~x~4 314)] [2018-07-23 13:42:26,046 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 13:42:26,046 INFO L450 AbstractCegarLoop]: Interpolant automaton has 155 states [2018-07-23 13:42:26,047 INFO L132 InterpolantAutomaton]: Constructing interpolant automaton starting with 155 interpolants. [2018-07-23 13:42:26,048 INFO L133 InterpolantAutomaton]: CoverageRelationStatistics Valid=11935, Invalid=11935, Unknown=0, NotChecked=0, Total=23870 [2018-07-23 13:42:26,048 INFO L87 Difference]: Start difference. First operand 156 states and 156 transitions. Second operand 155 states. [2018-07-23 13:42:26,385 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2018-07-23 13:42:26,385 INFO L93 Difference]: Finished difference Result 159 states and 159 transitions. [2018-07-23 13:42:26,385 INFO L142 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 155 states. [2018-07-23 13:42:26,385 INFO L78 Accepts]: Start accepts. Automaton has 155 states. Word has length 155 [2018-07-23 13:42:26,385 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2018-07-23 13:42:26,386 INFO L225 Difference]: With dead ends: 159 [2018-07-23 13:42:26,386 INFO L226 Difference]: Without dead ends: 157 [2018-07-23 13:42:26,387 INFO L575 BasicCegarLoop]: 0 DeclaredPredicates, 154 GetRequests, 1 SyntacticMatches, 0 SemanticMatches, 153 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 0 ImplicationChecksByTransitivity, 0.5s TimeCoverageRelationStatistics Valid=11935, Invalid=11935, Unknown=0, NotChecked=0, Total=23870 [2018-07-23 13:42:26,387 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 157 states. [2018-07-23 13:42:26,389 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 157 to 157. [2018-07-23 13:42:26,389 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 157 states. [2018-07-23 13:42:26,389 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 157 states to 157 states and 157 transitions. [2018-07-23 13:42:26,389 INFO L78 Accepts]: Start accepts. Automaton has 157 states and 157 transitions. Word has length 155 [2018-07-23 13:42:26,390 INFO L84 Accepts]: Finished accepts. word is rejected. [2018-07-23 13:42:26,390 INFO L471 AbstractCegarLoop]: Abstraction has 157 states and 157 transitions. [2018-07-23 13:42:26,390 INFO L472 AbstractCegarLoop]: Interpolant automaton has 155 states. [2018-07-23 13:42:26,390 INFO L276 IsEmpty]: Start isEmpty. Operand 157 states and 157 transitions. [2018-07-23 13:42:26,390 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 157 [2018-07-23 13:42:26,391 INFO L349 BasicCegarLoop]: Found error trace [2018-07-23 13:42:26,391 INFO L357 BasicCegarLoop]: trace histogram [153, 1, 1, 1] [2018-07-23 13:42:26,391 INFO L414 AbstractCegarLoop]: === Iteration 154 === [ULTIMATE.startErr0AssertViolationASSERT]=== [2018-07-23 13:42:26,391 INFO L82 PathProgramCache]: Analyzing trace with hash 2043730088, now seen corresponding path program 153 times [2018-07-23 13:42:26,391 INFO L69 tionRefinementEngine]: Using refinement strategy FixedRefinementStrategy [2018-07-23 13:42:26,407 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-07-23 13:42:26,916 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 13:42:26,917 INFO L309 seRefinementStrategy]: Constructing automaton from 0 perfect and 1 imperfect interpolant sequences. [2018-07-23 13:42:26,917 INFO L324 seRefinementStrategy]: Number of different interpolants: perfect sequences [] imperfect sequences [155] total 155 [2018-07-23 13:42:26,917 INFO L142 lantAutomatonBuilder]: Constructing canonical interpolant automaton, with selfloop in false state [2018-07-23 13:42:26,917 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2018-07-23 13:42:26,917 INFO L185 omatonBuilderFactory]: Interpolants [62281#true, 62282#false, 62283#(<= ULTIMATE.start_main_~x~4 10), 62284#(<= ULTIMATE.start_main_~x~4 12), 62285#(<= ULTIMATE.start_main_~x~4 14), 62286#(<= ULTIMATE.start_main_~x~4 16), 62287#(<= ULTIMATE.start_main_~x~4 18), 62288#(<= ULTIMATE.start_main_~x~4 20), 62289#(<= ULTIMATE.start_main_~x~4 22), 62290#(<= ULTIMATE.start_main_~x~4 24), 62291#(<= ULTIMATE.start_main_~x~4 26), 62292#(<= ULTIMATE.start_main_~x~4 28), 62293#(<= ULTIMATE.start_main_~x~4 30), 62294#(<= ULTIMATE.start_main_~x~4 32), 62295#(<= ULTIMATE.start_main_~x~4 34), 62296#(<= ULTIMATE.start_main_~x~4 36), 62297#(<= ULTIMATE.start_main_~x~4 38), 62298#(<= ULTIMATE.start_main_~x~4 40), 62299#(<= ULTIMATE.start_main_~x~4 42), 62300#(<= ULTIMATE.start_main_~x~4 44), 62301#(<= ULTIMATE.start_main_~x~4 46), 62302#(<= ULTIMATE.start_main_~x~4 48), 62303#(<= ULTIMATE.start_main_~x~4 50), 62304#(<= ULTIMATE.start_main_~x~4 52), 62305#(<= ULTIMATE.start_main_~x~4 54), 62306#(<= ULTIMATE.start_main_~x~4 56), 62307#(<= ULTIMATE.start_main_~x~4 58), 62308#(<= ULTIMATE.start_main_~x~4 60), 62309#(<= ULTIMATE.start_main_~x~4 62), 62310#(<= ULTIMATE.start_main_~x~4 64), 62311#(<= ULTIMATE.start_main_~x~4 66), 62312#(<= ULTIMATE.start_main_~x~4 68), 62313#(<= ULTIMATE.start_main_~x~4 70), 62314#(<= ULTIMATE.start_main_~x~4 72), 62315#(<= ULTIMATE.start_main_~x~4 74), 62316#(<= ULTIMATE.start_main_~x~4 76), 62317#(<= ULTIMATE.start_main_~x~4 78), 62318#(<= ULTIMATE.start_main_~x~4 80), 62319#(<= ULTIMATE.start_main_~x~4 82), 62320#(<= ULTIMATE.start_main_~x~4 84), 62321#(<= ULTIMATE.start_main_~x~4 86), 62322#(<= ULTIMATE.start_main_~x~4 88), 62323#(<= ULTIMATE.start_main_~x~4 90), 62324#(<= ULTIMATE.start_main_~x~4 92), 62325#(<= ULTIMATE.start_main_~x~4 94), 62326#(<= ULTIMATE.start_main_~x~4 96), 62327#(<= ULTIMATE.start_main_~x~4 98), 62328#(<= ULTIMATE.start_main_~x~4 100), 62329#(<= ULTIMATE.start_main_~x~4 102), 62330#(<= ULTIMATE.start_main_~x~4 104), 62331#(<= ULTIMATE.start_main_~x~4 106), 62332#(<= ULTIMATE.start_main_~x~4 108), 62333#(<= ULTIMATE.start_main_~x~4 110), 62334#(<= ULTIMATE.start_main_~x~4 112), 62335#(<= ULTIMATE.start_main_~x~4 114), 62336#(<= ULTIMATE.start_main_~x~4 116), 62337#(<= ULTIMATE.start_main_~x~4 118), 62338#(<= ULTIMATE.start_main_~x~4 120), 62339#(<= ULTIMATE.start_main_~x~4 122), 62340#(<= ULTIMATE.start_main_~x~4 124), 62341#(<= ULTIMATE.start_main_~x~4 126), 62342#(<= ULTIMATE.start_main_~x~4 128), 62343#(<= ULTIMATE.start_main_~x~4 130), 62344#(<= ULTIMATE.start_main_~x~4 132), 62345#(<= ULTIMATE.start_main_~x~4 134), 62346#(<= ULTIMATE.start_main_~x~4 136), 62347#(<= ULTIMATE.start_main_~x~4 138), 62348#(<= ULTIMATE.start_main_~x~4 140), 62349#(<= ULTIMATE.start_main_~x~4 142), 62350#(<= ULTIMATE.start_main_~x~4 144), 62351#(<= ULTIMATE.start_main_~x~4 146), 62352#(<= ULTIMATE.start_main_~x~4 148), 62353#(<= ULTIMATE.start_main_~x~4 150), 62354#(<= ULTIMATE.start_main_~x~4 152), 62355#(<= ULTIMATE.start_main_~x~4 154), 62356#(<= ULTIMATE.start_main_~x~4 156), 62357#(<= ULTIMATE.start_main_~x~4 158), 62358#(<= ULTIMATE.start_main_~x~4 160), 62359#(<= ULTIMATE.start_main_~x~4 162), 62360#(<= ULTIMATE.start_main_~x~4 164), 62361#(<= ULTIMATE.start_main_~x~4 166), 62362#(<= ULTIMATE.start_main_~x~4 168), 62363#(<= ULTIMATE.start_main_~x~4 170), 62364#(<= ULTIMATE.start_main_~x~4 172), 62365#(<= ULTIMATE.start_main_~x~4 174), 62366#(<= ULTIMATE.start_main_~x~4 176), 62367#(<= ULTIMATE.start_main_~x~4 178), 62368#(<= ULTIMATE.start_main_~x~4 180), 62369#(<= ULTIMATE.start_main_~x~4 182), 62370#(<= ULTIMATE.start_main_~x~4 184), 62371#(<= ULTIMATE.start_main_~x~4 186), 62372#(<= ULTIMATE.start_main_~x~4 188), 62373#(<= ULTIMATE.start_main_~x~4 190), 62374#(<= ULTIMATE.start_main_~x~4 192), 62375#(<= ULTIMATE.start_main_~x~4 194), 62376#(<= ULTIMATE.start_main_~x~4 196), 62377#(<= ULTIMATE.start_main_~x~4 198), 62378#(<= ULTIMATE.start_main_~x~4 200), 62379#(<= ULTIMATE.start_main_~x~4 202), 62380#(<= ULTIMATE.start_main_~x~4 204), 62381#(<= ULTIMATE.start_main_~x~4 206), 62382#(<= ULTIMATE.start_main_~x~4 208), 62383#(<= ULTIMATE.start_main_~x~4 210), 62384#(<= ULTIMATE.start_main_~x~4 212), 62385#(<= ULTIMATE.start_main_~x~4 214), 62386#(<= ULTIMATE.start_main_~x~4 216), 62387#(<= ULTIMATE.start_main_~x~4 218), 62388#(<= ULTIMATE.start_main_~x~4 220), 62389#(<= ULTIMATE.start_main_~x~4 222), 62390#(<= ULTIMATE.start_main_~x~4 224), 62391#(<= ULTIMATE.start_main_~x~4 226), 62392#(<= ULTIMATE.start_main_~x~4 228), 62393#(<= ULTIMATE.start_main_~x~4 230), 62394#(<= ULTIMATE.start_main_~x~4 232), 62395#(<= ULTIMATE.start_main_~x~4 234), 62396#(<= ULTIMATE.start_main_~x~4 236), 62397#(<= ULTIMATE.start_main_~x~4 238), 62398#(<= ULTIMATE.start_main_~x~4 240), 62399#(<= ULTIMATE.start_main_~x~4 242), 62400#(<= ULTIMATE.start_main_~x~4 244), 62401#(<= ULTIMATE.start_main_~x~4 246), 62402#(<= ULTIMATE.start_main_~x~4 248), 62403#(<= ULTIMATE.start_main_~x~4 250), 62404#(<= ULTIMATE.start_main_~x~4 252), 62405#(<= ULTIMATE.start_main_~x~4 254), 62406#(<= ULTIMATE.start_main_~x~4 256), 62407#(<= ULTIMATE.start_main_~x~4 258), 62408#(<= ULTIMATE.start_main_~x~4 260), 62409#(<= ULTIMATE.start_main_~x~4 262), 62410#(<= ULTIMATE.start_main_~x~4 264), 62411#(<= ULTIMATE.start_main_~x~4 266), 62412#(<= ULTIMATE.start_main_~x~4 268), 62413#(<= ULTIMATE.start_main_~x~4 270), 62414#(<= ULTIMATE.start_main_~x~4 272), 62415#(<= ULTIMATE.start_main_~x~4 274), 62416#(<= ULTIMATE.start_main_~x~4 276), 62417#(<= ULTIMATE.start_main_~x~4 278), 62418#(<= ULTIMATE.start_main_~x~4 280), 62419#(<= ULTIMATE.start_main_~x~4 282), 62420#(<= ULTIMATE.start_main_~x~4 284), 62421#(<= ULTIMATE.start_main_~x~4 286), 62422#(<= ULTIMATE.start_main_~x~4 288), 62423#(<= ULTIMATE.start_main_~x~4 290), 62424#(<= ULTIMATE.start_main_~x~4 292), 62425#(<= ULTIMATE.start_main_~x~4 294), 62426#(<= ULTIMATE.start_main_~x~4 296), 62427#(<= ULTIMATE.start_main_~x~4 298), 62428#(<= ULTIMATE.start_main_~x~4 300), 62429#(<= ULTIMATE.start_main_~x~4 302), 62430#(<= ULTIMATE.start_main_~x~4 304), 62431#(<= ULTIMATE.start_main_~x~4 306), 62432#(<= ULTIMATE.start_main_~x~4 308), 62433#(<= ULTIMATE.start_main_~x~4 310), 62434#(<= ULTIMATE.start_main_~x~4 312), 62435#(<= ULTIMATE.start_main_~x~4 314), 62436#(<= ULTIMATE.start_main_~x~4 316)] [2018-07-23 13:42:26,918 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 13:42:26,918 INFO L450 AbstractCegarLoop]: Interpolant automaton has 156 states [2018-07-23 13:42:26,920 INFO L132 InterpolantAutomaton]: Constructing interpolant automaton starting with 156 interpolants. [2018-07-23 13:42:26,921 INFO L133 InterpolantAutomaton]: CoverageRelationStatistics Valid=12090, Invalid=12090, Unknown=0, NotChecked=0, Total=24180 [2018-07-23 13:42:26,921 INFO L87 Difference]: Start difference. First operand 157 states and 157 transitions. Second operand 156 states. [2018-07-23 13:42:27,281 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2018-07-23 13:42:27,281 INFO L93 Difference]: Finished difference Result 160 states and 160 transitions. [2018-07-23 13:42:27,281 INFO L142 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 156 states. [2018-07-23 13:42:27,281 INFO L78 Accepts]: Start accepts. Automaton has 156 states. Word has length 156 [2018-07-23 13:42:27,282 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2018-07-23 13:42:27,282 INFO L225 Difference]: With dead ends: 160 [2018-07-23 13:42:27,282 INFO L226 Difference]: Without dead ends: 158 [2018-07-23 13:42:27,285 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 13:42:27,285 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 158 states. [2018-07-23 13:42:27,287 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 158 to 158. [2018-07-23 13:42:27,287 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 158 states. [2018-07-23 13:42:27,288 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 158 states to 158 states and 158 transitions. [2018-07-23 13:42:27,288 INFO L78 Accepts]: Start accepts. Automaton has 158 states and 158 transitions. Word has length 156 [2018-07-23 13:42:27,288 INFO L84 Accepts]: Finished accepts. word is rejected. [2018-07-23 13:42:27,288 INFO L471 AbstractCegarLoop]: Abstraction has 158 states and 158 transitions. [2018-07-23 13:42:27,288 INFO L472 AbstractCegarLoop]: Interpolant automaton has 156 states. [2018-07-23 13:42:27,288 INFO L276 IsEmpty]: Start isEmpty. Operand 158 states and 158 transitions. [2018-07-23 13:42:27,289 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 158 [2018-07-23 13:42:27,289 INFO L349 BasicCegarLoop]: Found error trace [2018-07-23 13:42:27,289 INFO L357 BasicCegarLoop]: trace histogram [154, 1, 1, 1] [2018-07-23 13:42:27,289 INFO L414 AbstractCegarLoop]: === Iteration 155 === [ULTIMATE.startErr0AssertViolationASSERT]=== [2018-07-23 13:42:27,290 INFO L82 PathProgramCache]: Analyzing trace with hash -1068878687, now seen corresponding path program 154 times [2018-07-23 13:42:27,290 INFO L69 tionRefinementEngine]: Using refinement strategy FixedRefinementStrategy [2018-07-23 13:42:27,309 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-07-23 13:42:27,850 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 13:42:27,850 INFO L309 seRefinementStrategy]: Constructing automaton from 0 perfect and 1 imperfect interpolant sequences. [2018-07-23 13:42:27,850 INFO L324 seRefinementStrategy]: Number of different interpolants: perfect sequences [] imperfect sequences [156] total 156 [2018-07-23 13:42:27,850 INFO L142 lantAutomatonBuilder]: Constructing canonical interpolant automaton, with selfloop in false state [2018-07-23 13:42:27,851 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2018-07-23 13:42:27,851 INFO L185 omatonBuilderFactory]: Interpolants [63073#true, 63074#false, 63075#(<= ULTIMATE.start_main_~x~4 10), 63076#(<= ULTIMATE.start_main_~x~4 12), 63077#(<= ULTIMATE.start_main_~x~4 14), 63078#(<= ULTIMATE.start_main_~x~4 16), 63079#(<= ULTIMATE.start_main_~x~4 18), 63080#(<= ULTIMATE.start_main_~x~4 20), 63081#(<= ULTIMATE.start_main_~x~4 22), 63082#(<= ULTIMATE.start_main_~x~4 24), 63083#(<= ULTIMATE.start_main_~x~4 26), 63084#(<= ULTIMATE.start_main_~x~4 28), 63085#(<= ULTIMATE.start_main_~x~4 30), 63086#(<= ULTIMATE.start_main_~x~4 32), 63087#(<= ULTIMATE.start_main_~x~4 34), 63088#(<= ULTIMATE.start_main_~x~4 36), 63089#(<= ULTIMATE.start_main_~x~4 38), 63090#(<= ULTIMATE.start_main_~x~4 40), 63091#(<= ULTIMATE.start_main_~x~4 42), 63092#(<= ULTIMATE.start_main_~x~4 44), 63093#(<= ULTIMATE.start_main_~x~4 46), 63094#(<= ULTIMATE.start_main_~x~4 48), 63095#(<= ULTIMATE.start_main_~x~4 50), 63096#(<= ULTIMATE.start_main_~x~4 52), 63097#(<= ULTIMATE.start_main_~x~4 54), 63098#(<= ULTIMATE.start_main_~x~4 56), 63099#(<= ULTIMATE.start_main_~x~4 58), 63100#(<= ULTIMATE.start_main_~x~4 60), 63101#(<= ULTIMATE.start_main_~x~4 62), 63102#(<= ULTIMATE.start_main_~x~4 64), 63103#(<= ULTIMATE.start_main_~x~4 66), 63104#(<= ULTIMATE.start_main_~x~4 68), 63105#(<= ULTIMATE.start_main_~x~4 70), 63106#(<= ULTIMATE.start_main_~x~4 72), 63107#(<= ULTIMATE.start_main_~x~4 74), 63108#(<= ULTIMATE.start_main_~x~4 76), 63109#(<= ULTIMATE.start_main_~x~4 78), 63110#(<= ULTIMATE.start_main_~x~4 80), 63111#(<= ULTIMATE.start_main_~x~4 82), 63112#(<= ULTIMATE.start_main_~x~4 84), 63113#(<= ULTIMATE.start_main_~x~4 86), 63114#(<= ULTIMATE.start_main_~x~4 88), 63115#(<= ULTIMATE.start_main_~x~4 90), 63116#(<= ULTIMATE.start_main_~x~4 92), 63117#(<= ULTIMATE.start_main_~x~4 94), 63118#(<= ULTIMATE.start_main_~x~4 96), 63119#(<= ULTIMATE.start_main_~x~4 98), 63120#(<= ULTIMATE.start_main_~x~4 100), 63121#(<= ULTIMATE.start_main_~x~4 102), 63122#(<= ULTIMATE.start_main_~x~4 104), 63123#(<= ULTIMATE.start_main_~x~4 106), 63124#(<= ULTIMATE.start_main_~x~4 108), 63125#(<= ULTIMATE.start_main_~x~4 110), 63126#(<= ULTIMATE.start_main_~x~4 112), 63127#(<= ULTIMATE.start_main_~x~4 114), 63128#(<= ULTIMATE.start_main_~x~4 116), 63129#(<= ULTIMATE.start_main_~x~4 118), 63130#(<= ULTIMATE.start_main_~x~4 120), 63131#(<= ULTIMATE.start_main_~x~4 122), 63132#(<= ULTIMATE.start_main_~x~4 124), 63133#(<= ULTIMATE.start_main_~x~4 126), 63134#(<= ULTIMATE.start_main_~x~4 128), 63135#(<= ULTIMATE.start_main_~x~4 130), 63136#(<= ULTIMATE.start_main_~x~4 132), 63137#(<= ULTIMATE.start_main_~x~4 134), 63138#(<= ULTIMATE.start_main_~x~4 136), 63139#(<= ULTIMATE.start_main_~x~4 138), 63140#(<= ULTIMATE.start_main_~x~4 140), 63141#(<= ULTIMATE.start_main_~x~4 142), 63142#(<= ULTIMATE.start_main_~x~4 144), 63143#(<= ULTIMATE.start_main_~x~4 146), 63144#(<= ULTIMATE.start_main_~x~4 148), 63145#(<= ULTIMATE.start_main_~x~4 150), 63146#(<= ULTIMATE.start_main_~x~4 152), 63147#(<= ULTIMATE.start_main_~x~4 154), 63148#(<= ULTIMATE.start_main_~x~4 156), 63149#(<= ULTIMATE.start_main_~x~4 158), 63150#(<= ULTIMATE.start_main_~x~4 160), 63151#(<= ULTIMATE.start_main_~x~4 162), 63152#(<= ULTIMATE.start_main_~x~4 164), 63153#(<= ULTIMATE.start_main_~x~4 166), 63154#(<= ULTIMATE.start_main_~x~4 168), 63155#(<= ULTIMATE.start_main_~x~4 170), 63156#(<= ULTIMATE.start_main_~x~4 172), 63157#(<= ULTIMATE.start_main_~x~4 174), 63158#(<= ULTIMATE.start_main_~x~4 176), 63159#(<= ULTIMATE.start_main_~x~4 178), 63160#(<= ULTIMATE.start_main_~x~4 180), 63161#(<= ULTIMATE.start_main_~x~4 182), 63162#(<= ULTIMATE.start_main_~x~4 184), 63163#(<= ULTIMATE.start_main_~x~4 186), 63164#(<= ULTIMATE.start_main_~x~4 188), 63165#(<= ULTIMATE.start_main_~x~4 190), 63166#(<= ULTIMATE.start_main_~x~4 192), 63167#(<= ULTIMATE.start_main_~x~4 194), 63168#(<= ULTIMATE.start_main_~x~4 196), 63169#(<= ULTIMATE.start_main_~x~4 198), 63170#(<= ULTIMATE.start_main_~x~4 200), 63171#(<= ULTIMATE.start_main_~x~4 202), 63172#(<= ULTIMATE.start_main_~x~4 204), 63173#(<= ULTIMATE.start_main_~x~4 206), 63174#(<= ULTIMATE.start_main_~x~4 208), 63175#(<= ULTIMATE.start_main_~x~4 210), 63176#(<= ULTIMATE.start_main_~x~4 212), 63177#(<= ULTIMATE.start_main_~x~4 214), 63178#(<= ULTIMATE.start_main_~x~4 216), 63179#(<= ULTIMATE.start_main_~x~4 218), 63180#(<= ULTIMATE.start_main_~x~4 220), 63181#(<= ULTIMATE.start_main_~x~4 222), 63182#(<= ULTIMATE.start_main_~x~4 224), 63183#(<= ULTIMATE.start_main_~x~4 226), 63184#(<= ULTIMATE.start_main_~x~4 228), 63185#(<= ULTIMATE.start_main_~x~4 230), 63186#(<= ULTIMATE.start_main_~x~4 232), 63187#(<= ULTIMATE.start_main_~x~4 234), 63188#(<= ULTIMATE.start_main_~x~4 236), 63189#(<= ULTIMATE.start_main_~x~4 238), 63190#(<= ULTIMATE.start_main_~x~4 240), 63191#(<= ULTIMATE.start_main_~x~4 242), 63192#(<= ULTIMATE.start_main_~x~4 244), 63193#(<= ULTIMATE.start_main_~x~4 246), 63194#(<= ULTIMATE.start_main_~x~4 248), 63195#(<= ULTIMATE.start_main_~x~4 250), 63196#(<= ULTIMATE.start_main_~x~4 252), 63197#(<= ULTIMATE.start_main_~x~4 254), 63198#(<= ULTIMATE.start_main_~x~4 256), 63199#(<= ULTIMATE.start_main_~x~4 258), 63200#(<= ULTIMATE.start_main_~x~4 260), 63201#(<= ULTIMATE.start_main_~x~4 262), 63202#(<= ULTIMATE.start_main_~x~4 264), 63203#(<= ULTIMATE.start_main_~x~4 266), 63204#(<= ULTIMATE.start_main_~x~4 268), 63205#(<= ULTIMATE.start_main_~x~4 270), 63206#(<= ULTIMATE.start_main_~x~4 272), 63207#(<= ULTIMATE.start_main_~x~4 274), 63208#(<= ULTIMATE.start_main_~x~4 276), 63209#(<= ULTIMATE.start_main_~x~4 278), 63210#(<= ULTIMATE.start_main_~x~4 280), 63211#(<= ULTIMATE.start_main_~x~4 282), 63212#(<= ULTIMATE.start_main_~x~4 284), 63213#(<= ULTIMATE.start_main_~x~4 286), 63214#(<= ULTIMATE.start_main_~x~4 288), 63215#(<= ULTIMATE.start_main_~x~4 290), 63216#(<= ULTIMATE.start_main_~x~4 292), 63217#(<= ULTIMATE.start_main_~x~4 294), 63218#(<= ULTIMATE.start_main_~x~4 296), 63219#(<= ULTIMATE.start_main_~x~4 298), 63220#(<= ULTIMATE.start_main_~x~4 300), 63221#(<= ULTIMATE.start_main_~x~4 302), 63222#(<= ULTIMATE.start_main_~x~4 304), 63223#(<= ULTIMATE.start_main_~x~4 306), 63224#(<= ULTIMATE.start_main_~x~4 308), 63225#(<= ULTIMATE.start_main_~x~4 310), 63226#(<= ULTIMATE.start_main_~x~4 312), 63227#(<= ULTIMATE.start_main_~x~4 314), 63228#(<= ULTIMATE.start_main_~x~4 316), 63229#(<= ULTIMATE.start_main_~x~4 318)] [2018-07-23 13:42:27,852 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 13:42:27,852 INFO L450 AbstractCegarLoop]: Interpolant automaton has 157 states [2018-07-23 13:42:27,854 INFO L132 InterpolantAutomaton]: Constructing interpolant automaton starting with 157 interpolants. [2018-07-23 13:42:27,855 INFO L133 InterpolantAutomaton]: CoverageRelationStatistics Valid=12246, Invalid=12246, Unknown=0, NotChecked=0, Total=24492 [2018-07-23 13:42:27,856 INFO L87 Difference]: Start difference. First operand 158 states and 158 transitions. Second operand 157 states. [2018-07-23 13:42:28,243 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2018-07-23 13:42:28,243 INFO L93 Difference]: Finished difference Result 161 states and 161 transitions. [2018-07-23 13:42:28,243 INFO L142 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 157 states. [2018-07-23 13:42:28,243 INFO L78 Accepts]: Start accepts. Automaton has 157 states. Word has length 157 [2018-07-23 13:42:28,244 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2018-07-23 13:42:28,244 INFO L225 Difference]: With dead ends: 161 [2018-07-23 13:42:28,244 INFO L226 Difference]: Without dead ends: 159 [2018-07-23 13:42:28,245 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 13:42:28,246 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 159 states. [2018-07-23 13:42:28,247 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 159 to 159. [2018-07-23 13:42:28,247 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 159 states. [2018-07-23 13:42:28,247 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 159 states to 159 states and 159 transitions. [2018-07-23 13:42:28,248 INFO L78 Accepts]: Start accepts. Automaton has 159 states and 159 transitions. Word has length 157 [2018-07-23 13:42:28,248 INFO L84 Accepts]: Finished accepts. word is rejected. [2018-07-23 13:42:28,248 INFO L471 AbstractCegarLoop]: Abstraction has 159 states and 159 transitions. [2018-07-23 13:42:28,248 INFO L472 AbstractCegarLoop]: Interpolant automaton has 157 states. [2018-07-23 13:42:28,248 INFO L276 IsEmpty]: Start isEmpty. Operand 159 states and 159 transitions. [2018-07-23 13:42:28,248 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 159 [2018-07-23 13:42:28,248 INFO L349 BasicCegarLoop]: Found error trace [2018-07-23 13:42:28,248 INFO L357 BasicCegarLoop]: trace histogram [155, 1, 1, 1] [2018-07-23 13:42:28,249 INFO L414 AbstractCegarLoop]: === Iteration 156 === [ULTIMATE.startErr0AssertViolationASSERT]=== [2018-07-23 13:42:28,249 INFO L82 PathProgramCache]: Analyzing trace with hash 1224497096, now seen corresponding path program 155 times [2018-07-23 13:42:28,249 INFO L69 tionRefinementEngine]: Using refinement strategy FixedRefinementStrategy [2018-07-23 13:42:28,261 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-07-23 13:42:28,828 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 13:42:28,828 INFO L309 seRefinementStrategy]: Constructing automaton from 0 perfect and 1 imperfect interpolant sequences. [2018-07-23 13:42:28,828 INFO L324 seRefinementStrategy]: Number of different interpolants: perfect sequences [] imperfect sequences [157] total 157 [2018-07-23 13:42:28,828 INFO L142 lantAutomatonBuilder]: Constructing canonical interpolant automaton, with selfloop in false state [2018-07-23 13:42:28,828 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2018-07-23 13:42:28,828 INFO L185 omatonBuilderFactory]: Interpolants [64000#(<= ULTIMATE.start_main_~x~4 266), 64001#(<= ULTIMATE.start_main_~x~4 268), 64002#(<= ULTIMATE.start_main_~x~4 270), 64003#(<= ULTIMATE.start_main_~x~4 272), 64004#(<= ULTIMATE.start_main_~x~4 274), 64005#(<= ULTIMATE.start_main_~x~4 276), 64006#(<= ULTIMATE.start_main_~x~4 278), 64007#(<= ULTIMATE.start_main_~x~4 280), 64008#(<= ULTIMATE.start_main_~x~4 282), 64009#(<= ULTIMATE.start_main_~x~4 284), 64010#(<= ULTIMATE.start_main_~x~4 286), 64011#(<= ULTIMATE.start_main_~x~4 288), 64012#(<= ULTIMATE.start_main_~x~4 290), 64013#(<= ULTIMATE.start_main_~x~4 292), 64014#(<= ULTIMATE.start_main_~x~4 294), 64015#(<= ULTIMATE.start_main_~x~4 296), 64016#(<= ULTIMATE.start_main_~x~4 298), 64017#(<= ULTIMATE.start_main_~x~4 300), 64018#(<= ULTIMATE.start_main_~x~4 302), 64019#(<= ULTIMATE.start_main_~x~4 304), 64020#(<= ULTIMATE.start_main_~x~4 306), 64021#(<= ULTIMATE.start_main_~x~4 308), 64022#(<= ULTIMATE.start_main_~x~4 310), 64023#(<= ULTIMATE.start_main_~x~4 312), 64024#(<= ULTIMATE.start_main_~x~4 314), 64025#(<= ULTIMATE.start_main_~x~4 316), 64026#(<= ULTIMATE.start_main_~x~4 318), 64027#(<= ULTIMATE.start_main_~x~4 320), 63870#true, 63871#false, 63872#(<= ULTIMATE.start_main_~x~4 10), 63873#(<= ULTIMATE.start_main_~x~4 12), 63874#(<= ULTIMATE.start_main_~x~4 14), 63875#(<= ULTIMATE.start_main_~x~4 16), 63876#(<= ULTIMATE.start_main_~x~4 18), 63877#(<= ULTIMATE.start_main_~x~4 20), 63878#(<= ULTIMATE.start_main_~x~4 22), 63879#(<= ULTIMATE.start_main_~x~4 24), 63880#(<= ULTIMATE.start_main_~x~4 26), 63881#(<= ULTIMATE.start_main_~x~4 28), 63882#(<= ULTIMATE.start_main_~x~4 30), 63883#(<= ULTIMATE.start_main_~x~4 32), 63884#(<= ULTIMATE.start_main_~x~4 34), 63885#(<= ULTIMATE.start_main_~x~4 36), 63886#(<= ULTIMATE.start_main_~x~4 38), 63887#(<= ULTIMATE.start_main_~x~4 40), 63888#(<= ULTIMATE.start_main_~x~4 42), 63889#(<= ULTIMATE.start_main_~x~4 44), 63890#(<= ULTIMATE.start_main_~x~4 46), 63891#(<= ULTIMATE.start_main_~x~4 48), 63892#(<= ULTIMATE.start_main_~x~4 50), 63893#(<= ULTIMATE.start_main_~x~4 52), 63894#(<= ULTIMATE.start_main_~x~4 54), 63895#(<= ULTIMATE.start_main_~x~4 56), 63896#(<= ULTIMATE.start_main_~x~4 58), 63897#(<= ULTIMATE.start_main_~x~4 60), 63898#(<= ULTIMATE.start_main_~x~4 62), 63899#(<= ULTIMATE.start_main_~x~4 64), 63900#(<= ULTIMATE.start_main_~x~4 66), 63901#(<= ULTIMATE.start_main_~x~4 68), 63902#(<= ULTIMATE.start_main_~x~4 70), 63903#(<= ULTIMATE.start_main_~x~4 72), 63904#(<= ULTIMATE.start_main_~x~4 74), 63905#(<= ULTIMATE.start_main_~x~4 76), 63906#(<= ULTIMATE.start_main_~x~4 78), 63907#(<= ULTIMATE.start_main_~x~4 80), 63908#(<= ULTIMATE.start_main_~x~4 82), 63909#(<= ULTIMATE.start_main_~x~4 84), 63910#(<= ULTIMATE.start_main_~x~4 86), 63911#(<= ULTIMATE.start_main_~x~4 88), 63912#(<= ULTIMATE.start_main_~x~4 90), 63913#(<= ULTIMATE.start_main_~x~4 92), 63914#(<= ULTIMATE.start_main_~x~4 94), 63915#(<= ULTIMATE.start_main_~x~4 96), 63916#(<= ULTIMATE.start_main_~x~4 98), 63917#(<= ULTIMATE.start_main_~x~4 100), 63918#(<= ULTIMATE.start_main_~x~4 102), 63919#(<= ULTIMATE.start_main_~x~4 104), 63920#(<= ULTIMATE.start_main_~x~4 106), 63921#(<= ULTIMATE.start_main_~x~4 108), 63922#(<= ULTIMATE.start_main_~x~4 110), 63923#(<= ULTIMATE.start_main_~x~4 112), 63924#(<= ULTIMATE.start_main_~x~4 114), 63925#(<= ULTIMATE.start_main_~x~4 116), 63926#(<= ULTIMATE.start_main_~x~4 118), 63927#(<= ULTIMATE.start_main_~x~4 120), 63928#(<= ULTIMATE.start_main_~x~4 122), 63929#(<= ULTIMATE.start_main_~x~4 124), 63930#(<= ULTIMATE.start_main_~x~4 126), 63931#(<= ULTIMATE.start_main_~x~4 128), 63932#(<= ULTIMATE.start_main_~x~4 130), 63933#(<= ULTIMATE.start_main_~x~4 132), 63934#(<= ULTIMATE.start_main_~x~4 134), 63935#(<= ULTIMATE.start_main_~x~4 136), 63936#(<= ULTIMATE.start_main_~x~4 138), 63937#(<= ULTIMATE.start_main_~x~4 140), 63938#(<= ULTIMATE.start_main_~x~4 142), 63939#(<= ULTIMATE.start_main_~x~4 144), 63940#(<= ULTIMATE.start_main_~x~4 146), 63941#(<= ULTIMATE.start_main_~x~4 148), 63942#(<= ULTIMATE.start_main_~x~4 150), 63943#(<= ULTIMATE.start_main_~x~4 152), 63944#(<= ULTIMATE.start_main_~x~4 154), 63945#(<= ULTIMATE.start_main_~x~4 156), 63946#(<= ULTIMATE.start_main_~x~4 158), 63947#(<= ULTIMATE.start_main_~x~4 160), 63948#(<= ULTIMATE.start_main_~x~4 162), 63949#(<= ULTIMATE.start_main_~x~4 164), 63950#(<= ULTIMATE.start_main_~x~4 166), 63951#(<= ULTIMATE.start_main_~x~4 168), 63952#(<= ULTIMATE.start_main_~x~4 170), 63953#(<= ULTIMATE.start_main_~x~4 172), 63954#(<= ULTIMATE.start_main_~x~4 174), 63955#(<= ULTIMATE.start_main_~x~4 176), 63956#(<= ULTIMATE.start_main_~x~4 178), 63957#(<= ULTIMATE.start_main_~x~4 180), 63958#(<= ULTIMATE.start_main_~x~4 182), 63959#(<= ULTIMATE.start_main_~x~4 184), 63960#(<= ULTIMATE.start_main_~x~4 186), 63961#(<= ULTIMATE.start_main_~x~4 188), 63962#(<= ULTIMATE.start_main_~x~4 190), 63963#(<= ULTIMATE.start_main_~x~4 192), 63964#(<= ULTIMATE.start_main_~x~4 194), 63965#(<= ULTIMATE.start_main_~x~4 196), 63966#(<= ULTIMATE.start_main_~x~4 198), 63967#(<= ULTIMATE.start_main_~x~4 200), 63968#(<= ULTIMATE.start_main_~x~4 202), 63969#(<= ULTIMATE.start_main_~x~4 204), 63970#(<= ULTIMATE.start_main_~x~4 206), 63971#(<= ULTIMATE.start_main_~x~4 208), 63972#(<= ULTIMATE.start_main_~x~4 210), 63973#(<= ULTIMATE.start_main_~x~4 212), 63974#(<= ULTIMATE.start_main_~x~4 214), 63975#(<= ULTIMATE.start_main_~x~4 216), 63976#(<= ULTIMATE.start_main_~x~4 218), 63977#(<= ULTIMATE.start_main_~x~4 220), 63978#(<= ULTIMATE.start_main_~x~4 222), 63979#(<= ULTIMATE.start_main_~x~4 224), 63980#(<= ULTIMATE.start_main_~x~4 226), 63981#(<= ULTIMATE.start_main_~x~4 228), 63982#(<= ULTIMATE.start_main_~x~4 230), 63983#(<= ULTIMATE.start_main_~x~4 232), 63984#(<= ULTIMATE.start_main_~x~4 234), 63985#(<= ULTIMATE.start_main_~x~4 236), 63986#(<= ULTIMATE.start_main_~x~4 238), 63987#(<= ULTIMATE.start_main_~x~4 240), 63988#(<= ULTIMATE.start_main_~x~4 242), 63989#(<= ULTIMATE.start_main_~x~4 244), 63990#(<= ULTIMATE.start_main_~x~4 246), 63991#(<= ULTIMATE.start_main_~x~4 248), 63992#(<= ULTIMATE.start_main_~x~4 250), 63993#(<= ULTIMATE.start_main_~x~4 252), 63994#(<= ULTIMATE.start_main_~x~4 254), 63995#(<= ULTIMATE.start_main_~x~4 256), 63996#(<= ULTIMATE.start_main_~x~4 258), 63997#(<= ULTIMATE.start_main_~x~4 260), 63998#(<= ULTIMATE.start_main_~x~4 262), 63999#(<= ULTIMATE.start_main_~x~4 264)] [2018-07-23 13:42:28,829 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 13:42:28,829 INFO L450 AbstractCegarLoop]: Interpolant automaton has 158 states [2018-07-23 13:42:28,831 INFO L132 InterpolantAutomaton]: Constructing interpolant automaton starting with 158 interpolants. [2018-07-23 13:42:28,832 INFO L133 InterpolantAutomaton]: CoverageRelationStatistics Valid=12403, Invalid=12403, Unknown=0, NotChecked=0, Total=24806 [2018-07-23 13:42:28,832 INFO L87 Difference]: Start difference. First operand 159 states and 159 transitions. Second operand 158 states. [2018-07-23 13:42:29,114 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2018-07-23 13:42:29,114 INFO L93 Difference]: Finished difference Result 162 states and 162 transitions. [2018-07-23 13:42:29,114 INFO L142 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 158 states. [2018-07-23 13:42:29,114 INFO L78 Accepts]: Start accepts. Automaton has 158 states. Word has length 158 [2018-07-23 13:42:29,115 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2018-07-23 13:42:29,115 INFO L225 Difference]: With dead ends: 162 [2018-07-23 13:42:29,115 INFO L226 Difference]: Without dead ends: 160 [2018-07-23 13:42:29,117 INFO L575 BasicCegarLoop]: 0 DeclaredPredicates, 157 GetRequests, 1 SyntacticMatches, 0 SemanticMatches, 156 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 0 ImplicationChecksByTransitivity, 0.5s TimeCoverageRelationStatistics Valid=12403, Invalid=12403, Unknown=0, NotChecked=0, Total=24806 [2018-07-23 13:42:29,117 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 160 states. [2018-07-23 13:42:29,118 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 160 to 160. [2018-07-23 13:42:29,119 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 160 states. [2018-07-23 13:42:29,119 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 160 states to 160 states and 160 transitions. [2018-07-23 13:42:29,119 INFO L78 Accepts]: Start accepts. Automaton has 160 states and 160 transitions. Word has length 158 [2018-07-23 13:42:29,119 INFO L84 Accepts]: Finished accepts. word is rejected. [2018-07-23 13:42:29,119 INFO L471 AbstractCegarLoop]: Abstraction has 160 states and 160 transitions. [2018-07-23 13:42:29,119 INFO L472 AbstractCegarLoop]: Interpolant automaton has 158 states. [2018-07-23 13:42:29,119 INFO L276 IsEmpty]: Start isEmpty. Operand 160 states and 160 transitions. [2018-07-23 13:42:29,120 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 160 [2018-07-23 13:42:29,120 INFO L349 BasicCegarLoop]: Found error trace [2018-07-23 13:42:29,120 INFO L357 BasicCegarLoop]: trace histogram [156, 1, 1, 1] [2018-07-23 13:42:29,120 INFO L414 AbstractCegarLoop]: === Iteration 157 === [ULTIMATE.startErr0AssertViolationASSERT]=== [2018-07-23 13:42:29,120 INFO L82 PathProgramCache]: Analyzing trace with hash -695297663, now seen corresponding path program 156 times [2018-07-23 13:42:29,120 INFO L69 tionRefinementEngine]: Using refinement strategy FixedRefinementStrategy [2018-07-23 13:42:29,134 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-07-23 13:42:29,648 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 13:42:29,648 INFO L309 seRefinementStrategy]: Constructing automaton from 0 perfect and 1 imperfect interpolant sequences. [2018-07-23 13:42:29,649 INFO L324 seRefinementStrategy]: Number of different interpolants: perfect sequences [] imperfect sequences [158] total 158 [2018-07-23 13:42:29,649 INFO L142 lantAutomatonBuilder]: Constructing canonical interpolant automaton, with selfloop in false state [2018-07-23 13:42:29,649 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 13:42:29,649 INFO L185 omatonBuilderFactory]: Interpolants [64768#(<= ULTIMATE.start_main_~x~4 198), 64769#(<= ULTIMATE.start_main_~x~4 200), 64770#(<= ULTIMATE.start_main_~x~4 202), 64771#(<= ULTIMATE.start_main_~x~4 204), 64772#(<= ULTIMATE.start_main_~x~4 206), 64773#(<= ULTIMATE.start_main_~x~4 208), 64774#(<= ULTIMATE.start_main_~x~4 210), 64775#(<= ULTIMATE.start_main_~x~4 212), 64776#(<= ULTIMATE.start_main_~x~4 214), 64777#(<= ULTIMATE.start_main_~x~4 216), 64778#(<= ULTIMATE.start_main_~x~4 218), 64779#(<= ULTIMATE.start_main_~x~4 220), 64780#(<= ULTIMATE.start_main_~x~4 222), 64781#(<= ULTIMATE.start_main_~x~4 224), 64782#(<= ULTIMATE.start_main_~x~4 226), 64783#(<= ULTIMATE.start_main_~x~4 228), 64784#(<= ULTIMATE.start_main_~x~4 230), 64785#(<= ULTIMATE.start_main_~x~4 232), 64786#(<= ULTIMATE.start_main_~x~4 234), 64787#(<= ULTIMATE.start_main_~x~4 236), 64788#(<= ULTIMATE.start_main_~x~4 238), 64789#(<= ULTIMATE.start_main_~x~4 240), 64790#(<= ULTIMATE.start_main_~x~4 242), 64791#(<= ULTIMATE.start_main_~x~4 244), 64792#(<= ULTIMATE.start_main_~x~4 246), 64793#(<= ULTIMATE.start_main_~x~4 248), 64794#(<= ULTIMATE.start_main_~x~4 250), 64795#(<= ULTIMATE.start_main_~x~4 252), 64796#(<= ULTIMATE.start_main_~x~4 254), 64797#(<= ULTIMATE.start_main_~x~4 256), 64798#(<= ULTIMATE.start_main_~x~4 258), 64799#(<= ULTIMATE.start_main_~x~4 260), 64800#(<= ULTIMATE.start_main_~x~4 262), 64801#(<= ULTIMATE.start_main_~x~4 264), 64802#(<= ULTIMATE.start_main_~x~4 266), 64803#(<= ULTIMATE.start_main_~x~4 268), 64804#(<= ULTIMATE.start_main_~x~4 270), 64805#(<= ULTIMATE.start_main_~x~4 272), 64806#(<= ULTIMATE.start_main_~x~4 274), 64807#(<= ULTIMATE.start_main_~x~4 276), 64808#(<= ULTIMATE.start_main_~x~4 278), 64809#(<= ULTIMATE.start_main_~x~4 280), 64810#(<= ULTIMATE.start_main_~x~4 282), 64811#(<= ULTIMATE.start_main_~x~4 284), 64812#(<= ULTIMATE.start_main_~x~4 286), 64813#(<= ULTIMATE.start_main_~x~4 288), 64814#(<= ULTIMATE.start_main_~x~4 290), 64815#(<= ULTIMATE.start_main_~x~4 292), 64816#(<= ULTIMATE.start_main_~x~4 294), 64817#(<= ULTIMATE.start_main_~x~4 296), 64818#(<= ULTIMATE.start_main_~x~4 298), 64819#(<= ULTIMATE.start_main_~x~4 300), 64820#(<= ULTIMATE.start_main_~x~4 302), 64821#(<= ULTIMATE.start_main_~x~4 304), 64822#(<= ULTIMATE.start_main_~x~4 306), 64823#(<= ULTIMATE.start_main_~x~4 308), 64824#(<= ULTIMATE.start_main_~x~4 310), 64825#(<= ULTIMATE.start_main_~x~4 312), 64826#(<= ULTIMATE.start_main_~x~4 314), 64827#(<= ULTIMATE.start_main_~x~4 316), 64828#(<= ULTIMATE.start_main_~x~4 318), 64829#(<= ULTIMATE.start_main_~x~4 320), 64830#(<= ULTIMATE.start_main_~x~4 322), 64672#true, 64673#false, 64674#(<= ULTIMATE.start_main_~x~4 10), 64675#(<= ULTIMATE.start_main_~x~4 12), 64676#(<= ULTIMATE.start_main_~x~4 14), 64677#(<= ULTIMATE.start_main_~x~4 16), 64678#(<= ULTIMATE.start_main_~x~4 18), 64679#(<= ULTIMATE.start_main_~x~4 20), 64680#(<= ULTIMATE.start_main_~x~4 22), 64681#(<= ULTIMATE.start_main_~x~4 24), 64682#(<= ULTIMATE.start_main_~x~4 26), 64683#(<= ULTIMATE.start_main_~x~4 28), 64684#(<= ULTIMATE.start_main_~x~4 30), 64685#(<= ULTIMATE.start_main_~x~4 32), 64686#(<= ULTIMATE.start_main_~x~4 34), 64687#(<= ULTIMATE.start_main_~x~4 36), 64688#(<= ULTIMATE.start_main_~x~4 38), 64689#(<= ULTIMATE.start_main_~x~4 40), 64690#(<= ULTIMATE.start_main_~x~4 42), 64691#(<= ULTIMATE.start_main_~x~4 44), 64692#(<= ULTIMATE.start_main_~x~4 46), 64693#(<= ULTIMATE.start_main_~x~4 48), 64694#(<= ULTIMATE.start_main_~x~4 50), 64695#(<= ULTIMATE.start_main_~x~4 52), 64696#(<= ULTIMATE.start_main_~x~4 54), 64697#(<= ULTIMATE.start_main_~x~4 56), 64698#(<= ULTIMATE.start_main_~x~4 58), 64699#(<= ULTIMATE.start_main_~x~4 60), 64700#(<= ULTIMATE.start_main_~x~4 62), 64701#(<= ULTIMATE.start_main_~x~4 64), 64702#(<= ULTIMATE.start_main_~x~4 66), 64703#(<= ULTIMATE.start_main_~x~4 68), 64704#(<= ULTIMATE.start_main_~x~4 70), 64705#(<= ULTIMATE.start_main_~x~4 72), 64706#(<= ULTIMATE.start_main_~x~4 74), 64707#(<= ULTIMATE.start_main_~x~4 76), 64708#(<= ULTIMATE.start_main_~x~4 78), 64709#(<= ULTIMATE.start_main_~x~4 80), 64710#(<= ULTIMATE.start_main_~x~4 82), 64711#(<= ULTIMATE.start_main_~x~4 84), 64712#(<= ULTIMATE.start_main_~x~4 86), 64713#(<= ULTIMATE.start_main_~x~4 88), 64714#(<= ULTIMATE.start_main_~x~4 90), 64715#(<= ULTIMATE.start_main_~x~4 92), 64716#(<= ULTIMATE.start_main_~x~4 94), 64717#(<= ULTIMATE.start_main_~x~4 96), 64718#(<= ULTIMATE.start_main_~x~4 98), 64719#(<= ULTIMATE.start_main_~x~4 100), 64720#(<= ULTIMATE.start_main_~x~4 102), 64721#(<= ULTIMATE.start_main_~x~4 104), 64722#(<= ULTIMATE.start_main_~x~4 106), 64723#(<= ULTIMATE.start_main_~x~4 108), 64724#(<= ULTIMATE.start_main_~x~4 110), 64725#(<= ULTIMATE.start_main_~x~4 112), 64726#(<= ULTIMATE.start_main_~x~4 114), 64727#(<= ULTIMATE.start_main_~x~4 116), 64728#(<= ULTIMATE.start_main_~x~4 118), 64729#(<= ULTIMATE.start_main_~x~4 120), 64730#(<= ULTIMATE.start_main_~x~4 122), 64731#(<= ULTIMATE.start_main_~x~4 124), 64732#(<= ULTIMATE.start_main_~x~4 126), 64733#(<= ULTIMATE.start_main_~x~4 128), 64734#(<= ULTIMATE.start_main_~x~4 130), 64735#(<= ULTIMATE.start_main_~x~4 132), 64736#(<= ULTIMATE.start_main_~x~4 134), 64737#(<= ULTIMATE.start_main_~x~4 136), 64738#(<= ULTIMATE.start_main_~x~4 138), 64739#(<= ULTIMATE.start_main_~x~4 140), 64740#(<= ULTIMATE.start_main_~x~4 142), 64741#(<= ULTIMATE.start_main_~x~4 144), 64742#(<= ULTIMATE.start_main_~x~4 146), 64743#(<= ULTIMATE.start_main_~x~4 148), 64744#(<= ULTIMATE.start_main_~x~4 150), 64745#(<= ULTIMATE.start_main_~x~4 152), 64746#(<= ULTIMATE.start_main_~x~4 154), 64747#(<= ULTIMATE.start_main_~x~4 156), 64748#(<= ULTIMATE.start_main_~x~4 158), 64749#(<= ULTIMATE.start_main_~x~4 160), 64750#(<= ULTIMATE.start_main_~x~4 162), 64751#(<= ULTIMATE.start_main_~x~4 164), 64752#(<= ULTIMATE.start_main_~x~4 166), 64753#(<= ULTIMATE.start_main_~x~4 168), 64754#(<= ULTIMATE.start_main_~x~4 170), 64755#(<= ULTIMATE.start_main_~x~4 172), 64756#(<= ULTIMATE.start_main_~x~4 174), 64757#(<= ULTIMATE.start_main_~x~4 176), 64758#(<= ULTIMATE.start_main_~x~4 178), 64759#(<= ULTIMATE.start_main_~x~4 180), 64760#(<= ULTIMATE.start_main_~x~4 182), 64761#(<= ULTIMATE.start_main_~x~4 184), 64762#(<= ULTIMATE.start_main_~x~4 186), 64763#(<= ULTIMATE.start_main_~x~4 188), 64764#(<= ULTIMATE.start_main_~x~4 190), 64765#(<= ULTIMATE.start_main_~x~4 192), 64766#(<= ULTIMATE.start_main_~x~4 194), 64767#(<= ULTIMATE.start_main_~x~4 196)] [2018-07-23 13:42:29,650 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 13:42:29,650 INFO L450 AbstractCegarLoop]: Interpolant automaton has 159 states [2018-07-23 13:42:29,653 INFO L132 InterpolantAutomaton]: Constructing interpolant automaton starting with 159 interpolants. [2018-07-23 13:42:29,654 INFO L133 InterpolantAutomaton]: CoverageRelationStatistics Valid=12561, Invalid=12561, Unknown=0, NotChecked=0, Total=25122 [2018-07-23 13:42:29,654 INFO L87 Difference]: Start difference. First operand 160 states and 160 transitions. Second operand 159 states. [2018-07-23 13:42:29,785 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2018-07-23 13:42:29,785 INFO L93 Difference]: Finished difference Result 163 states and 163 transitions. [2018-07-23 13:42:29,786 INFO L142 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 159 states. [2018-07-23 13:42:29,786 INFO L78 Accepts]: Start accepts. Automaton has 159 states. Word has length 159 [2018-07-23 13:42:29,786 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2018-07-23 13:42:29,786 INFO L225 Difference]: With dead ends: 163 [2018-07-23 13:42:29,786 INFO L226 Difference]: Without dead ends: 161 [2018-07-23 13:42:29,788 INFO L575 BasicCegarLoop]: 0 DeclaredPredicates, 158 GetRequests, 1 SyntacticMatches, 0 SemanticMatches, 157 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 0 ImplicationChecksByTransitivity, 0.4s TimeCoverageRelationStatistics Valid=12561, Invalid=12561, Unknown=0, NotChecked=0, Total=25122 [2018-07-23 13:42:29,788 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 161 states. [2018-07-23 13:42:29,789 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 161 to 161. [2018-07-23 13:42:29,790 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 161 states. [2018-07-23 13:42:29,790 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 161 states to 161 states and 161 transitions. [2018-07-23 13:42:29,790 INFO L78 Accepts]: Start accepts. Automaton has 161 states and 161 transitions. Word has length 159 [2018-07-23 13:42:29,790 INFO L84 Accepts]: Finished accepts. word is rejected. [2018-07-23 13:42:29,790 INFO L471 AbstractCegarLoop]: Abstraction has 161 states and 161 transitions. [2018-07-23 13:42:29,790 INFO L472 AbstractCegarLoop]: Interpolant automaton has 159 states. [2018-07-23 13:42:29,790 INFO L276 IsEmpty]: Start isEmpty. Operand 161 states and 161 transitions. [2018-07-23 13:42:29,791 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 161 [2018-07-23 13:42:29,791 INFO L349 BasicCegarLoop]: Found error trace [2018-07-23 13:42:29,791 INFO L357 BasicCegarLoop]: trace histogram [157, 1, 1, 1] [2018-07-23 13:42:29,791 INFO L414 AbstractCegarLoop]: === Iteration 158 === [ULTIMATE.startErr0AssertViolationASSERT]=== [2018-07-23 13:42:29,791 INFO L82 PathProgramCache]: Analyzing trace with hash -79393048, now seen corresponding path program 157 times [2018-07-23 13:42:29,791 INFO L69 tionRefinementEngine]: Using refinement strategy FixedRefinementStrategy [2018-07-23 13:42:29,805 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-07-23 13:42:30,351 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 13:42:30,351 INFO L309 seRefinementStrategy]: Constructing automaton from 0 perfect and 1 imperfect interpolant sequences. [2018-07-23 13:42:30,351 INFO L324 seRefinementStrategy]: Number of different interpolants: perfect sequences [] imperfect sequences [159] total 159 [2018-07-23 13:42:30,351 INFO L142 lantAutomatonBuilder]: Constructing canonical interpolant automaton, with selfloop in false state [2018-07-23 13:42:30,352 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2018-07-23 13:42:30,352 INFO L185 omatonBuilderFactory]: Interpolants [65537#(<= ULTIMATE.start_main_~x~4 122), 65536#(<= ULTIMATE.start_main_~x~4 120), 65539#(<= ULTIMATE.start_main_~x~4 126), 65538#(<= ULTIMATE.start_main_~x~4 124), 65541#(<= ULTIMATE.start_main_~x~4 130), 65540#(<= ULTIMATE.start_main_~x~4 128), 65543#(<= ULTIMATE.start_main_~x~4 134), 65542#(<= ULTIMATE.start_main_~x~4 132), 65545#(<= ULTIMATE.start_main_~x~4 138), 65544#(<= ULTIMATE.start_main_~x~4 136), 65547#(<= ULTIMATE.start_main_~x~4 142), 65546#(<= ULTIMATE.start_main_~x~4 140), 65549#(<= ULTIMATE.start_main_~x~4 146), 65548#(<= ULTIMATE.start_main_~x~4 144), 65551#(<= ULTIMATE.start_main_~x~4 150), 65550#(<= ULTIMATE.start_main_~x~4 148), 65553#(<= ULTIMATE.start_main_~x~4 154), 65552#(<= ULTIMATE.start_main_~x~4 152), 65555#(<= ULTIMATE.start_main_~x~4 158), 65554#(<= ULTIMATE.start_main_~x~4 156), 65557#(<= ULTIMATE.start_main_~x~4 162), 65556#(<= ULTIMATE.start_main_~x~4 160), 65559#(<= ULTIMATE.start_main_~x~4 166), 65558#(<= ULTIMATE.start_main_~x~4 164), 65561#(<= ULTIMATE.start_main_~x~4 170), 65560#(<= ULTIMATE.start_main_~x~4 168), 65563#(<= ULTIMATE.start_main_~x~4 174), 65562#(<= ULTIMATE.start_main_~x~4 172), 65565#(<= ULTIMATE.start_main_~x~4 178), 65564#(<= ULTIMATE.start_main_~x~4 176), 65567#(<= ULTIMATE.start_main_~x~4 182), 65566#(<= ULTIMATE.start_main_~x~4 180), 65569#(<= ULTIMATE.start_main_~x~4 186), 65568#(<= ULTIMATE.start_main_~x~4 184), 65571#(<= ULTIMATE.start_main_~x~4 190), 65570#(<= ULTIMATE.start_main_~x~4 188), 65573#(<= ULTIMATE.start_main_~x~4 194), 65572#(<= ULTIMATE.start_main_~x~4 192), 65575#(<= ULTIMATE.start_main_~x~4 198), 65574#(<= ULTIMATE.start_main_~x~4 196), 65577#(<= ULTIMATE.start_main_~x~4 202), 65576#(<= ULTIMATE.start_main_~x~4 200), 65579#(<= ULTIMATE.start_main_~x~4 206), 65578#(<= ULTIMATE.start_main_~x~4 204), 65581#(<= ULTIMATE.start_main_~x~4 210), 65580#(<= ULTIMATE.start_main_~x~4 208), 65583#(<= ULTIMATE.start_main_~x~4 214), 65582#(<= ULTIMATE.start_main_~x~4 212), 65585#(<= ULTIMATE.start_main_~x~4 218), 65584#(<= ULTIMATE.start_main_~x~4 216), 65587#(<= ULTIMATE.start_main_~x~4 222), 65586#(<= ULTIMATE.start_main_~x~4 220), 65589#(<= ULTIMATE.start_main_~x~4 226), 65588#(<= ULTIMATE.start_main_~x~4 224), 65591#(<= ULTIMATE.start_main_~x~4 230), 65590#(<= ULTIMATE.start_main_~x~4 228), 65593#(<= ULTIMATE.start_main_~x~4 234), 65592#(<= ULTIMATE.start_main_~x~4 232), 65595#(<= ULTIMATE.start_main_~x~4 238), 65594#(<= ULTIMATE.start_main_~x~4 236), 65597#(<= ULTIMATE.start_main_~x~4 242), 65596#(<= ULTIMATE.start_main_~x~4 240), 65599#(<= ULTIMATE.start_main_~x~4 246), 65598#(<= ULTIMATE.start_main_~x~4 244), 65601#(<= ULTIMATE.start_main_~x~4 250), 65600#(<= ULTIMATE.start_main_~x~4 248), 65603#(<= ULTIMATE.start_main_~x~4 254), 65602#(<= ULTIMATE.start_main_~x~4 252), 65605#(<= ULTIMATE.start_main_~x~4 258), 65604#(<= ULTIMATE.start_main_~x~4 256), 65607#(<= ULTIMATE.start_main_~x~4 262), 65606#(<= ULTIMATE.start_main_~x~4 260), 65609#(<= ULTIMATE.start_main_~x~4 266), 65608#(<= ULTIMATE.start_main_~x~4 264), 65611#(<= ULTIMATE.start_main_~x~4 270), 65610#(<= ULTIMATE.start_main_~x~4 268), 65613#(<= ULTIMATE.start_main_~x~4 274), 65612#(<= ULTIMATE.start_main_~x~4 272), 65615#(<= ULTIMATE.start_main_~x~4 278), 65614#(<= ULTIMATE.start_main_~x~4 276), 65617#(<= ULTIMATE.start_main_~x~4 282), 65616#(<= ULTIMATE.start_main_~x~4 280), 65619#(<= ULTIMATE.start_main_~x~4 286), 65618#(<= ULTIMATE.start_main_~x~4 284), 65621#(<= ULTIMATE.start_main_~x~4 290), 65620#(<= ULTIMATE.start_main_~x~4 288), 65623#(<= ULTIMATE.start_main_~x~4 294), 65622#(<= ULTIMATE.start_main_~x~4 292), 65625#(<= ULTIMATE.start_main_~x~4 298), 65624#(<= ULTIMATE.start_main_~x~4 296), 65627#(<= ULTIMATE.start_main_~x~4 302), 65626#(<= ULTIMATE.start_main_~x~4 300), 65629#(<= ULTIMATE.start_main_~x~4 306), 65628#(<= ULTIMATE.start_main_~x~4 304), 65631#(<= ULTIMATE.start_main_~x~4 310), 65630#(<= ULTIMATE.start_main_~x~4 308), 65633#(<= ULTIMATE.start_main_~x~4 314), 65632#(<= ULTIMATE.start_main_~x~4 312), 65635#(<= ULTIMATE.start_main_~x~4 318), 65634#(<= ULTIMATE.start_main_~x~4 316), 65637#(<= ULTIMATE.start_main_~x~4 322), 65636#(<= ULTIMATE.start_main_~x~4 320), 65638#(<= ULTIMATE.start_main_~x~4 324), 65479#true, 65480#false, 65481#(<= ULTIMATE.start_main_~x~4 10), 65482#(<= ULTIMATE.start_main_~x~4 12), 65483#(<= ULTIMATE.start_main_~x~4 14), 65484#(<= ULTIMATE.start_main_~x~4 16), 65485#(<= ULTIMATE.start_main_~x~4 18), 65486#(<= ULTIMATE.start_main_~x~4 20), 65487#(<= ULTIMATE.start_main_~x~4 22), 65488#(<= ULTIMATE.start_main_~x~4 24), 65489#(<= ULTIMATE.start_main_~x~4 26), 65490#(<= ULTIMATE.start_main_~x~4 28), 65491#(<= ULTIMATE.start_main_~x~4 30), 65492#(<= ULTIMATE.start_main_~x~4 32), 65493#(<= ULTIMATE.start_main_~x~4 34), 65494#(<= ULTIMATE.start_main_~x~4 36), 65495#(<= ULTIMATE.start_main_~x~4 38), 65496#(<= ULTIMATE.start_main_~x~4 40), 65497#(<= ULTIMATE.start_main_~x~4 42), 65498#(<= ULTIMATE.start_main_~x~4 44), 65499#(<= ULTIMATE.start_main_~x~4 46), 65500#(<= ULTIMATE.start_main_~x~4 48), 65501#(<= ULTIMATE.start_main_~x~4 50), 65502#(<= ULTIMATE.start_main_~x~4 52), 65503#(<= ULTIMATE.start_main_~x~4 54), 65504#(<= ULTIMATE.start_main_~x~4 56), 65505#(<= ULTIMATE.start_main_~x~4 58), 65506#(<= ULTIMATE.start_main_~x~4 60), 65507#(<= ULTIMATE.start_main_~x~4 62), 65508#(<= ULTIMATE.start_main_~x~4 64), 65509#(<= ULTIMATE.start_main_~x~4 66), 65510#(<= ULTIMATE.start_main_~x~4 68), 65511#(<= ULTIMATE.start_main_~x~4 70), 65512#(<= ULTIMATE.start_main_~x~4 72), 65513#(<= ULTIMATE.start_main_~x~4 74), 65514#(<= ULTIMATE.start_main_~x~4 76), 65515#(<= ULTIMATE.start_main_~x~4 78), 65516#(<= ULTIMATE.start_main_~x~4 80), 65517#(<= ULTIMATE.start_main_~x~4 82), 65518#(<= ULTIMATE.start_main_~x~4 84), 65519#(<= ULTIMATE.start_main_~x~4 86), 65520#(<= ULTIMATE.start_main_~x~4 88), 65521#(<= ULTIMATE.start_main_~x~4 90), 65522#(<= ULTIMATE.start_main_~x~4 92), 65523#(<= ULTIMATE.start_main_~x~4 94), 65524#(<= ULTIMATE.start_main_~x~4 96), 65525#(<= ULTIMATE.start_main_~x~4 98), 65526#(<= ULTIMATE.start_main_~x~4 100), 65527#(<= ULTIMATE.start_main_~x~4 102), 65528#(<= ULTIMATE.start_main_~x~4 104), 65529#(<= ULTIMATE.start_main_~x~4 106), 65530#(<= ULTIMATE.start_main_~x~4 108), 65531#(<= ULTIMATE.start_main_~x~4 110), 65532#(<= ULTIMATE.start_main_~x~4 112), 65533#(<= ULTIMATE.start_main_~x~4 114), 65534#(<= ULTIMATE.start_main_~x~4 116), 65535#(<= ULTIMATE.start_main_~x~4 118)] [2018-07-23 13:42:30,352 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 13:42:30,353 INFO L450 AbstractCegarLoop]: Interpolant automaton has 160 states [2018-07-23 13:42:30,354 INFO L132 InterpolantAutomaton]: Constructing interpolant automaton starting with 160 interpolants. [2018-07-23 13:42:30,354 INFO L133 InterpolantAutomaton]: CoverageRelationStatistics Valid=12720, Invalid=12720, Unknown=0, NotChecked=0, Total=25440 [2018-07-23 13:42:30,355 INFO L87 Difference]: Start difference. First operand 161 states and 161 transitions. Second operand 160 states. [2018-07-23 13:42:30,557 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2018-07-23 13:42:30,557 INFO L93 Difference]: Finished difference Result 164 states and 164 transitions. [2018-07-23 13:42:30,557 INFO L142 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 160 states. [2018-07-23 13:42:30,557 INFO L78 Accepts]: Start accepts. Automaton has 160 states. Word has length 160 [2018-07-23 13:42:30,558 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2018-07-23 13:42:30,558 INFO L225 Difference]: With dead ends: 164 [2018-07-23 13:42:30,558 INFO L226 Difference]: Without dead ends: 162 [2018-07-23 13:42:30,559 INFO L575 BasicCegarLoop]: 0 DeclaredPredicates, 159 GetRequests, 1 SyntacticMatches, 0 SemanticMatches, 158 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 0 ImplicationChecksByTransitivity, 0.4s TimeCoverageRelationStatistics Valid=12720, Invalid=12720, Unknown=0, NotChecked=0, Total=25440 [2018-07-23 13:42:30,559 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 162 states. [2018-07-23 13:42:30,561 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 162 to 162. [2018-07-23 13:42:30,561 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 162 states. [2018-07-23 13:42:30,561 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 162 states to 162 states and 162 transitions. [2018-07-23 13:42:30,561 INFO L78 Accepts]: Start accepts. Automaton has 162 states and 162 transitions. Word has length 160 [2018-07-23 13:42:30,561 INFO L84 Accepts]: Finished accepts. word is rejected. [2018-07-23 13:42:30,562 INFO L471 AbstractCegarLoop]: Abstraction has 162 states and 162 transitions. [2018-07-23 13:42:30,562 INFO L472 AbstractCegarLoop]: Interpolant automaton has 160 states. [2018-07-23 13:42:30,562 INFO L276 IsEmpty]: Start isEmpty. Operand 162 states and 162 transitions. [2018-07-23 13:42:30,562 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 162 [2018-07-23 13:42:30,562 INFO L349 BasicCegarLoop]: Found error trace [2018-07-23 13:42:30,562 INFO L357 BasicCegarLoop]: trace histogram [158, 1, 1, 1] [2018-07-23 13:42:30,562 INFO L414 AbstractCegarLoop]: === Iteration 159 === [ULTIMATE.startErr0AssertViolationASSERT]=== [2018-07-23 13:42:30,562 INFO L82 PathProgramCache]: Analyzing trace with hash 1833780833, now seen corresponding path program 158 times [2018-07-23 13:42:30,563 INFO L69 tionRefinementEngine]: Using refinement strategy FixedRefinementStrategy [2018-07-23 13:42:30,574 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-07-23 13:42:31,101 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 13:42:31,101 INFO L309 seRefinementStrategy]: Constructing automaton from 0 perfect and 1 imperfect interpolant sequences. [2018-07-23 13:42:31,101 INFO L324 seRefinementStrategy]: Number of different interpolants: perfect sequences [] imperfect sequences [160] total 160 [2018-07-23 13:42:31,101 INFO L142 lantAutomatonBuilder]: Constructing canonical interpolant automaton, with selfloop in false state [2018-07-23 13:42:31,102 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 13:42:31,102 INFO L185 omatonBuilderFactory]: Interpolants [66305#(<= ULTIMATE.start_main_~x~4 34), 66304#(<= ULTIMATE.start_main_~x~4 32), 66307#(<= ULTIMATE.start_main_~x~4 38), 66306#(<= ULTIMATE.start_main_~x~4 36), 66309#(<= ULTIMATE.start_main_~x~4 42), 66308#(<= ULTIMATE.start_main_~x~4 40), 66311#(<= ULTIMATE.start_main_~x~4 46), 66310#(<= ULTIMATE.start_main_~x~4 44), 66313#(<= ULTIMATE.start_main_~x~4 50), 66312#(<= ULTIMATE.start_main_~x~4 48), 66315#(<= ULTIMATE.start_main_~x~4 54), 66314#(<= ULTIMATE.start_main_~x~4 52), 66317#(<= ULTIMATE.start_main_~x~4 58), 66316#(<= ULTIMATE.start_main_~x~4 56), 66319#(<= ULTIMATE.start_main_~x~4 62), 66318#(<= ULTIMATE.start_main_~x~4 60), 66321#(<= ULTIMATE.start_main_~x~4 66), 66320#(<= ULTIMATE.start_main_~x~4 64), 66323#(<= ULTIMATE.start_main_~x~4 70), 66322#(<= ULTIMATE.start_main_~x~4 68), 66325#(<= ULTIMATE.start_main_~x~4 74), 66324#(<= ULTIMATE.start_main_~x~4 72), 66327#(<= ULTIMATE.start_main_~x~4 78), 66326#(<= ULTIMATE.start_main_~x~4 76), 66329#(<= ULTIMATE.start_main_~x~4 82), 66328#(<= ULTIMATE.start_main_~x~4 80), 66331#(<= ULTIMATE.start_main_~x~4 86), 66330#(<= ULTIMATE.start_main_~x~4 84), 66333#(<= ULTIMATE.start_main_~x~4 90), 66332#(<= ULTIMATE.start_main_~x~4 88), 66335#(<= ULTIMATE.start_main_~x~4 94), 66334#(<= ULTIMATE.start_main_~x~4 92), 66337#(<= ULTIMATE.start_main_~x~4 98), 66336#(<= ULTIMATE.start_main_~x~4 96), 66339#(<= ULTIMATE.start_main_~x~4 102), 66338#(<= ULTIMATE.start_main_~x~4 100), 66341#(<= ULTIMATE.start_main_~x~4 106), 66340#(<= ULTIMATE.start_main_~x~4 104), 66343#(<= ULTIMATE.start_main_~x~4 110), 66342#(<= ULTIMATE.start_main_~x~4 108), 66345#(<= ULTIMATE.start_main_~x~4 114), 66344#(<= ULTIMATE.start_main_~x~4 112), 66347#(<= ULTIMATE.start_main_~x~4 118), 66346#(<= ULTIMATE.start_main_~x~4 116), 66349#(<= ULTIMATE.start_main_~x~4 122), 66348#(<= ULTIMATE.start_main_~x~4 120), 66351#(<= ULTIMATE.start_main_~x~4 126), 66350#(<= ULTIMATE.start_main_~x~4 124), 66353#(<= ULTIMATE.start_main_~x~4 130), 66352#(<= ULTIMATE.start_main_~x~4 128), 66355#(<= ULTIMATE.start_main_~x~4 134), 66354#(<= ULTIMATE.start_main_~x~4 132), 66357#(<= ULTIMATE.start_main_~x~4 138), 66356#(<= ULTIMATE.start_main_~x~4 136), 66359#(<= ULTIMATE.start_main_~x~4 142), 66358#(<= ULTIMATE.start_main_~x~4 140), 66361#(<= ULTIMATE.start_main_~x~4 146), 66360#(<= ULTIMATE.start_main_~x~4 144), 66363#(<= ULTIMATE.start_main_~x~4 150), 66362#(<= ULTIMATE.start_main_~x~4 148), 66365#(<= ULTIMATE.start_main_~x~4 154), 66364#(<= ULTIMATE.start_main_~x~4 152), 66367#(<= ULTIMATE.start_main_~x~4 158), 66366#(<= ULTIMATE.start_main_~x~4 156), 66369#(<= ULTIMATE.start_main_~x~4 162), 66368#(<= ULTIMATE.start_main_~x~4 160), 66371#(<= ULTIMATE.start_main_~x~4 166), 66370#(<= ULTIMATE.start_main_~x~4 164), 66373#(<= ULTIMATE.start_main_~x~4 170), 66372#(<= ULTIMATE.start_main_~x~4 168), 66375#(<= ULTIMATE.start_main_~x~4 174), 66374#(<= ULTIMATE.start_main_~x~4 172), 66377#(<= ULTIMATE.start_main_~x~4 178), 66376#(<= ULTIMATE.start_main_~x~4 176), 66379#(<= ULTIMATE.start_main_~x~4 182), 66378#(<= ULTIMATE.start_main_~x~4 180), 66381#(<= ULTIMATE.start_main_~x~4 186), 66380#(<= ULTIMATE.start_main_~x~4 184), 66383#(<= ULTIMATE.start_main_~x~4 190), 66382#(<= ULTIMATE.start_main_~x~4 188), 66385#(<= ULTIMATE.start_main_~x~4 194), 66384#(<= ULTIMATE.start_main_~x~4 192), 66387#(<= ULTIMATE.start_main_~x~4 198), 66386#(<= ULTIMATE.start_main_~x~4 196), 66389#(<= ULTIMATE.start_main_~x~4 202), 66388#(<= ULTIMATE.start_main_~x~4 200), 66391#(<= ULTIMATE.start_main_~x~4 206), 66390#(<= ULTIMATE.start_main_~x~4 204), 66393#(<= ULTIMATE.start_main_~x~4 210), 66392#(<= ULTIMATE.start_main_~x~4 208), 66395#(<= ULTIMATE.start_main_~x~4 214), 66394#(<= ULTIMATE.start_main_~x~4 212), 66397#(<= ULTIMATE.start_main_~x~4 218), 66396#(<= ULTIMATE.start_main_~x~4 216), 66399#(<= ULTIMATE.start_main_~x~4 222), 66398#(<= ULTIMATE.start_main_~x~4 220), 66401#(<= ULTIMATE.start_main_~x~4 226), 66400#(<= ULTIMATE.start_main_~x~4 224), 66403#(<= ULTIMATE.start_main_~x~4 230), 66402#(<= ULTIMATE.start_main_~x~4 228), 66405#(<= ULTIMATE.start_main_~x~4 234), 66404#(<= ULTIMATE.start_main_~x~4 232), 66407#(<= ULTIMATE.start_main_~x~4 238), 66406#(<= ULTIMATE.start_main_~x~4 236), 66409#(<= ULTIMATE.start_main_~x~4 242), 66408#(<= ULTIMATE.start_main_~x~4 240), 66411#(<= ULTIMATE.start_main_~x~4 246), 66410#(<= ULTIMATE.start_main_~x~4 244), 66413#(<= ULTIMATE.start_main_~x~4 250), 66412#(<= ULTIMATE.start_main_~x~4 248), 66415#(<= ULTIMATE.start_main_~x~4 254), 66414#(<= ULTIMATE.start_main_~x~4 252), 66417#(<= ULTIMATE.start_main_~x~4 258), 66416#(<= ULTIMATE.start_main_~x~4 256), 66419#(<= ULTIMATE.start_main_~x~4 262), 66418#(<= ULTIMATE.start_main_~x~4 260), 66421#(<= ULTIMATE.start_main_~x~4 266), 66420#(<= ULTIMATE.start_main_~x~4 264), 66423#(<= ULTIMATE.start_main_~x~4 270), 66422#(<= ULTIMATE.start_main_~x~4 268), 66425#(<= ULTIMATE.start_main_~x~4 274), 66424#(<= ULTIMATE.start_main_~x~4 272), 66427#(<= ULTIMATE.start_main_~x~4 278), 66426#(<= ULTIMATE.start_main_~x~4 276), 66429#(<= ULTIMATE.start_main_~x~4 282), 66428#(<= ULTIMATE.start_main_~x~4 280), 66431#(<= ULTIMATE.start_main_~x~4 286), 66430#(<= ULTIMATE.start_main_~x~4 284), 66433#(<= ULTIMATE.start_main_~x~4 290), 66432#(<= ULTIMATE.start_main_~x~4 288), 66435#(<= ULTIMATE.start_main_~x~4 294), 66434#(<= ULTIMATE.start_main_~x~4 292), 66437#(<= ULTIMATE.start_main_~x~4 298), 66436#(<= ULTIMATE.start_main_~x~4 296), 66439#(<= ULTIMATE.start_main_~x~4 302), 66438#(<= ULTIMATE.start_main_~x~4 300), 66441#(<= ULTIMATE.start_main_~x~4 306), 66440#(<= ULTIMATE.start_main_~x~4 304), 66443#(<= ULTIMATE.start_main_~x~4 310), 66442#(<= ULTIMATE.start_main_~x~4 308), 66445#(<= ULTIMATE.start_main_~x~4 314), 66444#(<= ULTIMATE.start_main_~x~4 312), 66447#(<= ULTIMATE.start_main_~x~4 318), 66446#(<= ULTIMATE.start_main_~x~4 316), 66449#(<= ULTIMATE.start_main_~x~4 322), 66448#(<= ULTIMATE.start_main_~x~4 320), 66451#(<= ULTIMATE.start_main_~x~4 326), 66450#(<= ULTIMATE.start_main_~x~4 324), 66291#true, 66293#(<= ULTIMATE.start_main_~x~4 10), 66292#false, 66295#(<= ULTIMATE.start_main_~x~4 14), 66294#(<= ULTIMATE.start_main_~x~4 12), 66297#(<= ULTIMATE.start_main_~x~4 18), 66296#(<= ULTIMATE.start_main_~x~4 16), 66299#(<= ULTIMATE.start_main_~x~4 22), 66298#(<= ULTIMATE.start_main_~x~4 20), 66301#(<= ULTIMATE.start_main_~x~4 26), 66300#(<= ULTIMATE.start_main_~x~4 24), 66303#(<= ULTIMATE.start_main_~x~4 30), 66302#(<= ULTIMATE.start_main_~x~4 28)] [2018-07-23 13:42:31,103 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 13:42:31,103 INFO L450 AbstractCegarLoop]: Interpolant automaton has 161 states [2018-07-23 13:42:31,105 INFO L132 InterpolantAutomaton]: Constructing interpolant automaton starting with 161 interpolants. [2018-07-23 13:42:31,106 INFO L133 InterpolantAutomaton]: CoverageRelationStatistics Valid=12880, Invalid=12880, Unknown=0, NotChecked=0, Total=25760 [2018-07-23 13:42:31,106 INFO L87 Difference]: Start difference. First operand 162 states and 162 transitions. Second operand 161 states. [2018-07-23 13:42:31,555 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2018-07-23 13:42:31,555 INFO L93 Difference]: Finished difference Result 165 states and 165 transitions. [2018-07-23 13:42:31,556 INFO L142 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 161 states. [2018-07-23 13:42:31,556 INFO L78 Accepts]: Start accepts. Automaton has 161 states. Word has length 161 [2018-07-23 13:42:31,556 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2018-07-23 13:42:31,556 INFO L225 Difference]: With dead ends: 165 [2018-07-23 13:42:31,557 INFO L226 Difference]: Without dead ends: 163 [2018-07-23 13:42:31,559 INFO L575 BasicCegarLoop]: 0 DeclaredPredicates, 160 GetRequests, 1 SyntacticMatches, 0 SemanticMatches, 159 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 0 ImplicationChecksByTransitivity, 0.4s TimeCoverageRelationStatistics Valid=12880, Invalid=12880, Unknown=0, NotChecked=0, Total=25760 [2018-07-23 13:42:31,559 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 163 states. [2018-07-23 13:42:31,561 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 163 to 163. [2018-07-23 13:42:31,561 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 163 states. [2018-07-23 13:42:31,562 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 163 states to 163 states and 163 transitions. [2018-07-23 13:42:31,562 INFO L78 Accepts]: Start accepts. Automaton has 163 states and 163 transitions. Word has length 161 [2018-07-23 13:42:31,562 INFO L84 Accepts]: Finished accepts. word is rejected. [2018-07-23 13:42:31,562 INFO L471 AbstractCegarLoop]: Abstraction has 163 states and 163 transitions. [2018-07-23 13:42:31,562 INFO L472 AbstractCegarLoop]: Interpolant automaton has 161 states. [2018-07-23 13:42:31,562 INFO L276 IsEmpty]: Start isEmpty. Operand 163 states and 163 transitions. [2018-07-23 13:42:31,563 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 163 [2018-07-23 13:42:31,563 INFO L349 BasicCegarLoop]: Found error trace [2018-07-23 13:42:31,563 INFO L357 BasicCegarLoop]: trace histogram [159, 1, 1, 1] [2018-07-23 13:42:31,563 INFO L414 AbstractCegarLoop]: === Iteration 160 === [ULTIMATE.startErr0AssertViolationASSERT]=== [2018-07-23 13:42:31,563 INFO L82 PathProgramCache]: Analyzing trace with hash 1012629000, now seen corresponding path program 159 times [2018-07-23 13:42:31,564 INFO L69 tionRefinementEngine]: Using refinement strategy FixedRefinementStrategy [2018-07-23 13:42:31,581 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-07-23 13:42:32,111 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 13:42:32,111 INFO L309 seRefinementStrategy]: Constructing automaton from 0 perfect and 1 imperfect interpolant sequences. [2018-07-23 13:42:32,111 INFO L324 seRefinementStrategy]: Number of different interpolants: perfect sequences [] imperfect sequences [161] total 161 [2018-07-23 13:42:32,111 INFO L142 lantAutomatonBuilder]: Constructing canonical interpolant automaton, with selfloop in false state [2018-07-23 13:42:32,112 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 13:42:32,112 INFO L185 omatonBuilderFactory]: Interpolants [67109#false, 67108#true, 67111#(<= ULTIMATE.start_main_~x~4 12), 67110#(<= ULTIMATE.start_main_~x~4 10), 67113#(<= ULTIMATE.start_main_~x~4 16), 67112#(<= ULTIMATE.start_main_~x~4 14), 67115#(<= ULTIMATE.start_main_~x~4 20), 67114#(<= ULTIMATE.start_main_~x~4 18), 67117#(<= ULTIMATE.start_main_~x~4 24), 67116#(<= ULTIMATE.start_main_~x~4 22), 67119#(<= ULTIMATE.start_main_~x~4 28), 67118#(<= ULTIMATE.start_main_~x~4 26), 67121#(<= ULTIMATE.start_main_~x~4 32), 67120#(<= ULTIMATE.start_main_~x~4 30), 67123#(<= ULTIMATE.start_main_~x~4 36), 67122#(<= ULTIMATE.start_main_~x~4 34), 67125#(<= ULTIMATE.start_main_~x~4 40), 67124#(<= ULTIMATE.start_main_~x~4 38), 67127#(<= ULTIMATE.start_main_~x~4 44), 67126#(<= ULTIMATE.start_main_~x~4 42), 67129#(<= ULTIMATE.start_main_~x~4 48), 67128#(<= ULTIMATE.start_main_~x~4 46), 67131#(<= ULTIMATE.start_main_~x~4 52), 67130#(<= ULTIMATE.start_main_~x~4 50), 67133#(<= ULTIMATE.start_main_~x~4 56), 67132#(<= ULTIMATE.start_main_~x~4 54), 67135#(<= ULTIMATE.start_main_~x~4 60), 67134#(<= ULTIMATE.start_main_~x~4 58), 67137#(<= ULTIMATE.start_main_~x~4 64), 67136#(<= ULTIMATE.start_main_~x~4 62), 67139#(<= ULTIMATE.start_main_~x~4 68), 67138#(<= ULTIMATE.start_main_~x~4 66), 67141#(<= ULTIMATE.start_main_~x~4 72), 67140#(<= ULTIMATE.start_main_~x~4 70), 67143#(<= ULTIMATE.start_main_~x~4 76), 67142#(<= ULTIMATE.start_main_~x~4 74), 67145#(<= ULTIMATE.start_main_~x~4 80), 67144#(<= ULTIMATE.start_main_~x~4 78), 67147#(<= ULTIMATE.start_main_~x~4 84), 67146#(<= ULTIMATE.start_main_~x~4 82), 67149#(<= ULTIMATE.start_main_~x~4 88), 67148#(<= ULTIMATE.start_main_~x~4 86), 67151#(<= ULTIMATE.start_main_~x~4 92), 67150#(<= ULTIMATE.start_main_~x~4 90), 67153#(<= ULTIMATE.start_main_~x~4 96), 67152#(<= ULTIMATE.start_main_~x~4 94), 67155#(<= ULTIMATE.start_main_~x~4 100), 67154#(<= ULTIMATE.start_main_~x~4 98), 67157#(<= ULTIMATE.start_main_~x~4 104), 67156#(<= ULTIMATE.start_main_~x~4 102), 67159#(<= ULTIMATE.start_main_~x~4 108), 67158#(<= ULTIMATE.start_main_~x~4 106), 67161#(<= ULTIMATE.start_main_~x~4 112), 67160#(<= ULTIMATE.start_main_~x~4 110), 67163#(<= ULTIMATE.start_main_~x~4 116), 67162#(<= ULTIMATE.start_main_~x~4 114), 67165#(<= ULTIMATE.start_main_~x~4 120), 67164#(<= ULTIMATE.start_main_~x~4 118), 67167#(<= ULTIMATE.start_main_~x~4 124), 67166#(<= ULTIMATE.start_main_~x~4 122), 67169#(<= ULTIMATE.start_main_~x~4 128), 67168#(<= ULTIMATE.start_main_~x~4 126), 67171#(<= ULTIMATE.start_main_~x~4 132), 67170#(<= ULTIMATE.start_main_~x~4 130), 67173#(<= ULTIMATE.start_main_~x~4 136), 67172#(<= ULTIMATE.start_main_~x~4 134), 67175#(<= ULTIMATE.start_main_~x~4 140), 67174#(<= ULTIMATE.start_main_~x~4 138), 67177#(<= ULTIMATE.start_main_~x~4 144), 67176#(<= ULTIMATE.start_main_~x~4 142), 67179#(<= ULTIMATE.start_main_~x~4 148), 67178#(<= ULTIMATE.start_main_~x~4 146), 67181#(<= ULTIMATE.start_main_~x~4 152), 67180#(<= ULTIMATE.start_main_~x~4 150), 67183#(<= ULTIMATE.start_main_~x~4 156), 67182#(<= ULTIMATE.start_main_~x~4 154), 67185#(<= ULTIMATE.start_main_~x~4 160), 67184#(<= ULTIMATE.start_main_~x~4 158), 67187#(<= ULTIMATE.start_main_~x~4 164), 67186#(<= ULTIMATE.start_main_~x~4 162), 67189#(<= ULTIMATE.start_main_~x~4 168), 67188#(<= ULTIMATE.start_main_~x~4 166), 67191#(<= ULTIMATE.start_main_~x~4 172), 67190#(<= ULTIMATE.start_main_~x~4 170), 67193#(<= ULTIMATE.start_main_~x~4 176), 67192#(<= ULTIMATE.start_main_~x~4 174), 67195#(<= ULTIMATE.start_main_~x~4 180), 67194#(<= ULTIMATE.start_main_~x~4 178), 67197#(<= ULTIMATE.start_main_~x~4 184), 67196#(<= ULTIMATE.start_main_~x~4 182), 67199#(<= ULTIMATE.start_main_~x~4 188), 67198#(<= ULTIMATE.start_main_~x~4 186), 67201#(<= ULTIMATE.start_main_~x~4 192), 67200#(<= ULTIMATE.start_main_~x~4 190), 67203#(<= ULTIMATE.start_main_~x~4 196), 67202#(<= ULTIMATE.start_main_~x~4 194), 67205#(<= ULTIMATE.start_main_~x~4 200), 67204#(<= ULTIMATE.start_main_~x~4 198), 67207#(<= ULTIMATE.start_main_~x~4 204), 67206#(<= ULTIMATE.start_main_~x~4 202), 67209#(<= ULTIMATE.start_main_~x~4 208), 67208#(<= ULTIMATE.start_main_~x~4 206), 67211#(<= ULTIMATE.start_main_~x~4 212), 67210#(<= ULTIMATE.start_main_~x~4 210), 67213#(<= ULTIMATE.start_main_~x~4 216), 67212#(<= ULTIMATE.start_main_~x~4 214), 67215#(<= ULTIMATE.start_main_~x~4 220), 67214#(<= ULTIMATE.start_main_~x~4 218), 67217#(<= ULTIMATE.start_main_~x~4 224), 67216#(<= ULTIMATE.start_main_~x~4 222), 67219#(<= ULTIMATE.start_main_~x~4 228), 67218#(<= ULTIMATE.start_main_~x~4 226), 67221#(<= ULTIMATE.start_main_~x~4 232), 67220#(<= ULTIMATE.start_main_~x~4 230), 67223#(<= ULTIMATE.start_main_~x~4 236), 67222#(<= ULTIMATE.start_main_~x~4 234), 67225#(<= ULTIMATE.start_main_~x~4 240), 67224#(<= ULTIMATE.start_main_~x~4 238), 67227#(<= ULTIMATE.start_main_~x~4 244), 67226#(<= ULTIMATE.start_main_~x~4 242), 67229#(<= ULTIMATE.start_main_~x~4 248), 67228#(<= ULTIMATE.start_main_~x~4 246), 67231#(<= ULTIMATE.start_main_~x~4 252), 67230#(<= ULTIMATE.start_main_~x~4 250), 67233#(<= ULTIMATE.start_main_~x~4 256), 67232#(<= ULTIMATE.start_main_~x~4 254), 67235#(<= ULTIMATE.start_main_~x~4 260), 67234#(<= ULTIMATE.start_main_~x~4 258), 67237#(<= ULTIMATE.start_main_~x~4 264), 67236#(<= ULTIMATE.start_main_~x~4 262), 67239#(<= ULTIMATE.start_main_~x~4 268), 67238#(<= ULTIMATE.start_main_~x~4 266), 67241#(<= ULTIMATE.start_main_~x~4 272), 67240#(<= ULTIMATE.start_main_~x~4 270), 67243#(<= ULTIMATE.start_main_~x~4 276), 67242#(<= ULTIMATE.start_main_~x~4 274), 67245#(<= ULTIMATE.start_main_~x~4 280), 67244#(<= ULTIMATE.start_main_~x~4 278), 67247#(<= ULTIMATE.start_main_~x~4 284), 67246#(<= ULTIMATE.start_main_~x~4 282), 67249#(<= ULTIMATE.start_main_~x~4 288), 67248#(<= ULTIMATE.start_main_~x~4 286), 67251#(<= ULTIMATE.start_main_~x~4 292), 67250#(<= ULTIMATE.start_main_~x~4 290), 67253#(<= ULTIMATE.start_main_~x~4 296), 67252#(<= ULTIMATE.start_main_~x~4 294), 67255#(<= ULTIMATE.start_main_~x~4 300), 67254#(<= ULTIMATE.start_main_~x~4 298), 67257#(<= ULTIMATE.start_main_~x~4 304), 67256#(<= ULTIMATE.start_main_~x~4 302), 67259#(<= ULTIMATE.start_main_~x~4 308), 67258#(<= ULTIMATE.start_main_~x~4 306), 67261#(<= ULTIMATE.start_main_~x~4 312), 67260#(<= ULTIMATE.start_main_~x~4 310), 67263#(<= ULTIMATE.start_main_~x~4 316), 67262#(<= ULTIMATE.start_main_~x~4 314), 67265#(<= ULTIMATE.start_main_~x~4 320), 67264#(<= ULTIMATE.start_main_~x~4 318), 67267#(<= ULTIMATE.start_main_~x~4 324), 67266#(<= ULTIMATE.start_main_~x~4 322), 67269#(<= ULTIMATE.start_main_~x~4 328), 67268#(<= ULTIMATE.start_main_~x~4 326)] [2018-07-23 13:42:32,112 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 13:42:32,113 INFO L450 AbstractCegarLoop]: Interpolant automaton has 162 states [2018-07-23 13:42:32,114 INFO L132 InterpolantAutomaton]: Constructing interpolant automaton starting with 162 interpolants. [2018-07-23 13:42:32,115 INFO L133 InterpolantAutomaton]: CoverageRelationStatistics Valid=13041, Invalid=13041, Unknown=0, NotChecked=0, Total=26082 [2018-07-23 13:42:32,116 INFO L87 Difference]: Start difference. First operand 163 states and 163 transitions. Second operand 162 states. [2018-07-23 13:42:32,575 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2018-07-23 13:42:32,575 INFO L93 Difference]: Finished difference Result 166 states and 166 transitions. [2018-07-23 13:42:32,575 INFO L142 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 162 states. [2018-07-23 13:42:32,575 INFO L78 Accepts]: Start accepts. Automaton has 162 states. Word has length 162 [2018-07-23 13:42:32,575 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2018-07-23 13:42:32,576 INFO L225 Difference]: With dead ends: 166 [2018-07-23 13:42:32,576 INFO L226 Difference]: Without dead ends: 164 [2018-07-23 13:42:32,578 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 13:42:32,578 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 164 states. [2018-07-23 13:42:32,580 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 164 to 164. [2018-07-23 13:42:32,580 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 164 states. [2018-07-23 13:42:32,581 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 164 states to 164 states and 164 transitions. [2018-07-23 13:42:32,581 INFO L78 Accepts]: Start accepts. Automaton has 164 states and 164 transitions. Word has length 162 [2018-07-23 13:42:32,581 INFO L84 Accepts]: Finished accepts. word is rejected. [2018-07-23 13:42:32,581 INFO L471 AbstractCegarLoop]: Abstraction has 164 states and 164 transitions. [2018-07-23 13:42:32,581 INFO L472 AbstractCegarLoop]: Interpolant automaton has 162 states. [2018-07-23 13:42:32,582 INFO L276 IsEmpty]: Start isEmpty. Operand 164 states and 164 transitions. [2018-07-23 13:42:32,582 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 164 [2018-07-23 13:42:32,582 INFO L349 BasicCegarLoop]: Found error trace [2018-07-23 13:42:32,582 INFO L357 BasicCegarLoop]: trace histogram [160, 1, 1, 1] [2018-07-23 13:42:32,583 INFO L414 AbstractCegarLoop]: === Iteration 161 === [ULTIMATE.startErr0AssertViolationASSERT]=== [2018-07-23 13:42:32,583 INFO L82 PathProgramCache]: Analyzing trace with hash 1326725953, now seen corresponding path program 160 times [2018-07-23 13:42:32,583 INFO L69 tionRefinementEngine]: Using refinement strategy FixedRefinementStrategy [2018-07-23 13:42:32,603 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-07-23 13:42:33,145 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 13:42:33,145 INFO L309 seRefinementStrategy]: Constructing automaton from 0 perfect and 1 imperfect interpolant sequences. [2018-07-23 13:42:33,145 INFO L324 seRefinementStrategy]: Number of different interpolants: perfect sequences [] imperfect sequences [162] total 162 [2018-07-23 13:42:33,146 INFO L142 lantAutomatonBuilder]: Constructing canonical interpolant automaton, with selfloop in false state [2018-07-23 13:42:33,146 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2018-07-23 13:42:33,146 INFO L185 omatonBuilderFactory]: Interpolants [67931#false, 67930#true, 67933#(<= ULTIMATE.start_main_~x~4 12), 67932#(<= ULTIMATE.start_main_~x~4 10), 67935#(<= ULTIMATE.start_main_~x~4 16), 67934#(<= ULTIMATE.start_main_~x~4 14), 67937#(<= ULTIMATE.start_main_~x~4 20), 67936#(<= ULTIMATE.start_main_~x~4 18), 67939#(<= ULTIMATE.start_main_~x~4 24), 67938#(<= ULTIMATE.start_main_~x~4 22), 67941#(<= ULTIMATE.start_main_~x~4 28), 67940#(<= ULTIMATE.start_main_~x~4 26), 67943#(<= ULTIMATE.start_main_~x~4 32), 67942#(<= ULTIMATE.start_main_~x~4 30), 67945#(<= ULTIMATE.start_main_~x~4 36), 67944#(<= ULTIMATE.start_main_~x~4 34), 67947#(<= ULTIMATE.start_main_~x~4 40), 67946#(<= ULTIMATE.start_main_~x~4 38), 67949#(<= ULTIMATE.start_main_~x~4 44), 67948#(<= ULTIMATE.start_main_~x~4 42), 67951#(<= ULTIMATE.start_main_~x~4 48), 67950#(<= ULTIMATE.start_main_~x~4 46), 67953#(<= ULTIMATE.start_main_~x~4 52), 67952#(<= ULTIMATE.start_main_~x~4 50), 67955#(<= ULTIMATE.start_main_~x~4 56), 67954#(<= ULTIMATE.start_main_~x~4 54), 67957#(<= ULTIMATE.start_main_~x~4 60), 67956#(<= ULTIMATE.start_main_~x~4 58), 67959#(<= ULTIMATE.start_main_~x~4 64), 67958#(<= ULTIMATE.start_main_~x~4 62), 67961#(<= ULTIMATE.start_main_~x~4 68), 67960#(<= ULTIMATE.start_main_~x~4 66), 67963#(<= ULTIMATE.start_main_~x~4 72), 67962#(<= ULTIMATE.start_main_~x~4 70), 67965#(<= ULTIMATE.start_main_~x~4 76), 67964#(<= ULTIMATE.start_main_~x~4 74), 67967#(<= ULTIMATE.start_main_~x~4 80), 67966#(<= ULTIMATE.start_main_~x~4 78), 67969#(<= ULTIMATE.start_main_~x~4 84), 67968#(<= ULTIMATE.start_main_~x~4 82), 67971#(<= ULTIMATE.start_main_~x~4 88), 67970#(<= ULTIMATE.start_main_~x~4 86), 67973#(<= ULTIMATE.start_main_~x~4 92), 67972#(<= ULTIMATE.start_main_~x~4 90), 67975#(<= ULTIMATE.start_main_~x~4 96), 67974#(<= ULTIMATE.start_main_~x~4 94), 67977#(<= ULTIMATE.start_main_~x~4 100), 67976#(<= ULTIMATE.start_main_~x~4 98), 67979#(<= ULTIMATE.start_main_~x~4 104), 67978#(<= ULTIMATE.start_main_~x~4 102), 67981#(<= ULTIMATE.start_main_~x~4 108), 67980#(<= ULTIMATE.start_main_~x~4 106), 67983#(<= ULTIMATE.start_main_~x~4 112), 67982#(<= ULTIMATE.start_main_~x~4 110), 67985#(<= ULTIMATE.start_main_~x~4 116), 67984#(<= ULTIMATE.start_main_~x~4 114), 67987#(<= ULTIMATE.start_main_~x~4 120), 67986#(<= ULTIMATE.start_main_~x~4 118), 67989#(<= ULTIMATE.start_main_~x~4 124), 67988#(<= ULTIMATE.start_main_~x~4 122), 67991#(<= ULTIMATE.start_main_~x~4 128), 67990#(<= ULTIMATE.start_main_~x~4 126), 67993#(<= ULTIMATE.start_main_~x~4 132), 67992#(<= ULTIMATE.start_main_~x~4 130), 67995#(<= ULTIMATE.start_main_~x~4 136), 67994#(<= ULTIMATE.start_main_~x~4 134), 67997#(<= ULTIMATE.start_main_~x~4 140), 67996#(<= ULTIMATE.start_main_~x~4 138), 67999#(<= ULTIMATE.start_main_~x~4 144), 67998#(<= ULTIMATE.start_main_~x~4 142), 68001#(<= ULTIMATE.start_main_~x~4 148), 68000#(<= ULTIMATE.start_main_~x~4 146), 68003#(<= ULTIMATE.start_main_~x~4 152), 68002#(<= ULTIMATE.start_main_~x~4 150), 68005#(<= ULTIMATE.start_main_~x~4 156), 68004#(<= ULTIMATE.start_main_~x~4 154), 68007#(<= ULTIMATE.start_main_~x~4 160), 68006#(<= ULTIMATE.start_main_~x~4 158), 68009#(<= ULTIMATE.start_main_~x~4 164), 68008#(<= ULTIMATE.start_main_~x~4 162), 68011#(<= ULTIMATE.start_main_~x~4 168), 68010#(<= ULTIMATE.start_main_~x~4 166), 68013#(<= ULTIMATE.start_main_~x~4 172), 68012#(<= ULTIMATE.start_main_~x~4 170), 68015#(<= ULTIMATE.start_main_~x~4 176), 68014#(<= ULTIMATE.start_main_~x~4 174), 68017#(<= ULTIMATE.start_main_~x~4 180), 68016#(<= ULTIMATE.start_main_~x~4 178), 68019#(<= ULTIMATE.start_main_~x~4 184), 68018#(<= ULTIMATE.start_main_~x~4 182), 68021#(<= ULTIMATE.start_main_~x~4 188), 68020#(<= ULTIMATE.start_main_~x~4 186), 68023#(<= ULTIMATE.start_main_~x~4 192), 68022#(<= ULTIMATE.start_main_~x~4 190), 68025#(<= ULTIMATE.start_main_~x~4 196), 68024#(<= ULTIMATE.start_main_~x~4 194), 68027#(<= ULTIMATE.start_main_~x~4 200), 68026#(<= ULTIMATE.start_main_~x~4 198), 68029#(<= ULTIMATE.start_main_~x~4 204), 68028#(<= ULTIMATE.start_main_~x~4 202), 68031#(<= ULTIMATE.start_main_~x~4 208), 68030#(<= ULTIMATE.start_main_~x~4 206), 68033#(<= ULTIMATE.start_main_~x~4 212), 68032#(<= ULTIMATE.start_main_~x~4 210), 68035#(<= ULTIMATE.start_main_~x~4 216), 68034#(<= ULTIMATE.start_main_~x~4 214), 68037#(<= ULTIMATE.start_main_~x~4 220), 68036#(<= ULTIMATE.start_main_~x~4 218), 68039#(<= ULTIMATE.start_main_~x~4 224), 68038#(<= ULTIMATE.start_main_~x~4 222), 68041#(<= ULTIMATE.start_main_~x~4 228), 68040#(<= ULTIMATE.start_main_~x~4 226), 68043#(<= ULTIMATE.start_main_~x~4 232), 68042#(<= ULTIMATE.start_main_~x~4 230), 68045#(<= ULTIMATE.start_main_~x~4 236), 68044#(<= ULTIMATE.start_main_~x~4 234), 68047#(<= ULTIMATE.start_main_~x~4 240), 68046#(<= ULTIMATE.start_main_~x~4 238), 68049#(<= ULTIMATE.start_main_~x~4 244), 68048#(<= ULTIMATE.start_main_~x~4 242), 68051#(<= ULTIMATE.start_main_~x~4 248), 68050#(<= ULTIMATE.start_main_~x~4 246), 68053#(<= ULTIMATE.start_main_~x~4 252), 68052#(<= ULTIMATE.start_main_~x~4 250), 68055#(<= ULTIMATE.start_main_~x~4 256), 68054#(<= ULTIMATE.start_main_~x~4 254), 68057#(<= ULTIMATE.start_main_~x~4 260), 68056#(<= ULTIMATE.start_main_~x~4 258), 68059#(<= ULTIMATE.start_main_~x~4 264), 68058#(<= ULTIMATE.start_main_~x~4 262), 68061#(<= ULTIMATE.start_main_~x~4 268), 68060#(<= ULTIMATE.start_main_~x~4 266), 68063#(<= ULTIMATE.start_main_~x~4 272), 68062#(<= ULTIMATE.start_main_~x~4 270), 68065#(<= ULTIMATE.start_main_~x~4 276), 68064#(<= ULTIMATE.start_main_~x~4 274), 68067#(<= ULTIMATE.start_main_~x~4 280), 68066#(<= ULTIMATE.start_main_~x~4 278), 68069#(<= ULTIMATE.start_main_~x~4 284), 68068#(<= ULTIMATE.start_main_~x~4 282), 68071#(<= ULTIMATE.start_main_~x~4 288), 68070#(<= ULTIMATE.start_main_~x~4 286), 68073#(<= ULTIMATE.start_main_~x~4 292), 68072#(<= ULTIMATE.start_main_~x~4 290), 68075#(<= ULTIMATE.start_main_~x~4 296), 68074#(<= ULTIMATE.start_main_~x~4 294), 68077#(<= ULTIMATE.start_main_~x~4 300), 68076#(<= ULTIMATE.start_main_~x~4 298), 68079#(<= ULTIMATE.start_main_~x~4 304), 68078#(<= ULTIMATE.start_main_~x~4 302), 68081#(<= ULTIMATE.start_main_~x~4 308), 68080#(<= ULTIMATE.start_main_~x~4 306), 68083#(<= ULTIMATE.start_main_~x~4 312), 68082#(<= ULTIMATE.start_main_~x~4 310), 68085#(<= ULTIMATE.start_main_~x~4 316), 68084#(<= ULTIMATE.start_main_~x~4 314), 68087#(<= ULTIMATE.start_main_~x~4 320), 68086#(<= ULTIMATE.start_main_~x~4 318), 68089#(<= ULTIMATE.start_main_~x~4 324), 68088#(<= ULTIMATE.start_main_~x~4 322), 68091#(<= ULTIMATE.start_main_~x~4 328), 68090#(<= ULTIMATE.start_main_~x~4 326), 68092#(<= ULTIMATE.start_main_~x~4 330)] [2018-07-23 13:42:33,147 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 13:42:33,147 INFO L450 AbstractCegarLoop]: Interpolant automaton has 163 states [2018-07-23 13:42:33,149 INFO L132 InterpolantAutomaton]: Constructing interpolant automaton starting with 163 interpolants. [2018-07-23 13:42:33,150 INFO L133 InterpolantAutomaton]: CoverageRelationStatistics Valid=13203, Invalid=13203, Unknown=0, NotChecked=0, Total=26406 [2018-07-23 13:42:33,150 INFO L87 Difference]: Start difference. First operand 164 states and 164 transitions. Second operand 163 states. [2018-07-23 13:42:33,573 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2018-07-23 13:42:33,573 INFO L93 Difference]: Finished difference Result 167 states and 167 transitions. [2018-07-23 13:42:33,573 INFO L142 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 163 states. [2018-07-23 13:42:33,573 INFO L78 Accepts]: Start accepts. Automaton has 163 states. Word has length 163 [2018-07-23 13:42:33,574 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2018-07-23 13:42:33,574 INFO L225 Difference]: With dead ends: 167 [2018-07-23 13:42:33,574 INFO L226 Difference]: Without dead ends: 165 [2018-07-23 13:42:33,576 INFO L575 BasicCegarLoop]: 0 DeclaredPredicates, 162 GetRequests, 1 SyntacticMatches, 0 SemanticMatches, 161 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 0 ImplicationChecksByTransitivity, 0.4s TimeCoverageRelationStatistics Valid=13203, Invalid=13203, Unknown=0, NotChecked=0, Total=26406 [2018-07-23 13:42:33,576 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 165 states. [2018-07-23 13:42:33,578 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 165 to 165. [2018-07-23 13:42:33,578 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 165 states. [2018-07-23 13:42:33,578 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 165 states to 165 states and 165 transitions. [2018-07-23 13:42:33,578 INFO L78 Accepts]: Start accepts. Automaton has 165 states and 165 transitions. Word has length 163 [2018-07-23 13:42:33,578 INFO L84 Accepts]: Finished accepts. word is rejected. [2018-07-23 13:42:33,578 INFO L471 AbstractCegarLoop]: Abstraction has 165 states and 165 transitions. [2018-07-23 13:42:33,578 INFO L472 AbstractCegarLoop]: Interpolant automaton has 163 states. [2018-07-23 13:42:33,579 INFO L276 IsEmpty]: Start isEmpty. Operand 165 states and 165 transitions. [2018-07-23 13:42:33,579 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 165 [2018-07-23 13:42:33,579 INFO L349 BasicCegarLoop]: Found error trace [2018-07-23 13:42:33,579 INFO L357 BasicCegarLoop]: trace histogram [161, 1, 1, 1] [2018-07-23 13:42:33,579 INFO L414 AbstractCegarLoop]: === Iteration 162 === [ULTIMATE.startErr0AssertViolationASSERT]=== [2018-07-23 13:42:33,580 INFO L82 PathProgramCache]: Analyzing trace with hash -1821170392, now seen corresponding path program 161 times [2018-07-23 13:42:33,580 INFO L69 tionRefinementEngine]: Using refinement strategy FixedRefinementStrategy [2018-07-23 13:42:33,600 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-07-23 13:42:34,207 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 13:42:34,207 INFO L309 seRefinementStrategy]: Constructing automaton from 0 perfect and 1 imperfect interpolant sequences. [2018-07-23 13:42:34,207 INFO L324 seRefinementStrategy]: Number of different interpolants: perfect sequences [] imperfect sequences [163] total 163 [2018-07-23 13:42:34,208 INFO L142 lantAutomatonBuilder]: Constructing canonical interpolant automaton, with selfloop in false state [2018-07-23 13:42:34,208 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2018-07-23 13:42:34,208 INFO L185 omatonBuilderFactory]: Interpolants [68865#(<= ULTIMATE.start_main_~x~4 222), 68864#(<= ULTIMATE.start_main_~x~4 220), 68867#(<= ULTIMATE.start_main_~x~4 226), 68866#(<= ULTIMATE.start_main_~x~4 224), 68869#(<= ULTIMATE.start_main_~x~4 230), 68868#(<= ULTIMATE.start_main_~x~4 228), 68871#(<= ULTIMATE.start_main_~x~4 234), 68870#(<= ULTIMATE.start_main_~x~4 232), 68873#(<= ULTIMATE.start_main_~x~4 238), 68872#(<= ULTIMATE.start_main_~x~4 236), 68875#(<= ULTIMATE.start_main_~x~4 242), 68874#(<= ULTIMATE.start_main_~x~4 240), 68877#(<= ULTIMATE.start_main_~x~4 246), 68876#(<= ULTIMATE.start_main_~x~4 244), 68879#(<= ULTIMATE.start_main_~x~4 250), 68878#(<= ULTIMATE.start_main_~x~4 248), 68881#(<= ULTIMATE.start_main_~x~4 254), 68880#(<= ULTIMATE.start_main_~x~4 252), 68883#(<= ULTIMATE.start_main_~x~4 258), 68882#(<= ULTIMATE.start_main_~x~4 256), 68885#(<= ULTIMATE.start_main_~x~4 262), 68884#(<= ULTIMATE.start_main_~x~4 260), 68887#(<= ULTIMATE.start_main_~x~4 266), 68886#(<= ULTIMATE.start_main_~x~4 264), 68889#(<= ULTIMATE.start_main_~x~4 270), 68888#(<= ULTIMATE.start_main_~x~4 268), 68891#(<= ULTIMATE.start_main_~x~4 274), 68890#(<= ULTIMATE.start_main_~x~4 272), 68893#(<= ULTIMATE.start_main_~x~4 278), 68892#(<= ULTIMATE.start_main_~x~4 276), 68895#(<= ULTIMATE.start_main_~x~4 282), 68894#(<= ULTIMATE.start_main_~x~4 280), 68897#(<= ULTIMATE.start_main_~x~4 286), 68896#(<= ULTIMATE.start_main_~x~4 284), 68899#(<= ULTIMATE.start_main_~x~4 290), 68898#(<= ULTIMATE.start_main_~x~4 288), 68901#(<= ULTIMATE.start_main_~x~4 294), 68900#(<= ULTIMATE.start_main_~x~4 292), 68903#(<= ULTIMATE.start_main_~x~4 298), 68902#(<= ULTIMATE.start_main_~x~4 296), 68905#(<= ULTIMATE.start_main_~x~4 302), 68904#(<= ULTIMATE.start_main_~x~4 300), 68907#(<= ULTIMATE.start_main_~x~4 306), 68906#(<= ULTIMATE.start_main_~x~4 304), 68909#(<= ULTIMATE.start_main_~x~4 310), 68908#(<= ULTIMATE.start_main_~x~4 308), 68911#(<= ULTIMATE.start_main_~x~4 314), 68910#(<= ULTIMATE.start_main_~x~4 312), 68913#(<= ULTIMATE.start_main_~x~4 318), 68912#(<= ULTIMATE.start_main_~x~4 316), 68915#(<= ULTIMATE.start_main_~x~4 322), 68914#(<= ULTIMATE.start_main_~x~4 320), 68917#(<= ULTIMATE.start_main_~x~4 326), 68916#(<= ULTIMATE.start_main_~x~4 324), 68919#(<= ULTIMATE.start_main_~x~4 330), 68918#(<= ULTIMATE.start_main_~x~4 328), 68920#(<= ULTIMATE.start_main_~x~4 332), 68757#true, 68759#(<= ULTIMATE.start_main_~x~4 10), 68758#false, 68761#(<= ULTIMATE.start_main_~x~4 14), 68760#(<= ULTIMATE.start_main_~x~4 12), 68763#(<= ULTIMATE.start_main_~x~4 18), 68762#(<= ULTIMATE.start_main_~x~4 16), 68765#(<= ULTIMATE.start_main_~x~4 22), 68764#(<= ULTIMATE.start_main_~x~4 20), 68767#(<= ULTIMATE.start_main_~x~4 26), 68766#(<= ULTIMATE.start_main_~x~4 24), 68769#(<= ULTIMATE.start_main_~x~4 30), 68768#(<= ULTIMATE.start_main_~x~4 28), 68771#(<= ULTIMATE.start_main_~x~4 34), 68770#(<= ULTIMATE.start_main_~x~4 32), 68773#(<= ULTIMATE.start_main_~x~4 38), 68772#(<= ULTIMATE.start_main_~x~4 36), 68775#(<= ULTIMATE.start_main_~x~4 42), 68774#(<= ULTIMATE.start_main_~x~4 40), 68777#(<= ULTIMATE.start_main_~x~4 46), 68776#(<= ULTIMATE.start_main_~x~4 44), 68779#(<= ULTIMATE.start_main_~x~4 50), 68778#(<= ULTIMATE.start_main_~x~4 48), 68781#(<= ULTIMATE.start_main_~x~4 54), 68780#(<= ULTIMATE.start_main_~x~4 52), 68783#(<= ULTIMATE.start_main_~x~4 58), 68782#(<= ULTIMATE.start_main_~x~4 56), 68785#(<= ULTIMATE.start_main_~x~4 62), 68784#(<= ULTIMATE.start_main_~x~4 60), 68787#(<= ULTIMATE.start_main_~x~4 66), 68786#(<= ULTIMATE.start_main_~x~4 64), 68789#(<= ULTIMATE.start_main_~x~4 70), 68788#(<= ULTIMATE.start_main_~x~4 68), 68791#(<= ULTIMATE.start_main_~x~4 74), 68790#(<= ULTIMATE.start_main_~x~4 72), 68793#(<= ULTIMATE.start_main_~x~4 78), 68792#(<= ULTIMATE.start_main_~x~4 76), 68795#(<= ULTIMATE.start_main_~x~4 82), 68794#(<= ULTIMATE.start_main_~x~4 80), 68797#(<= ULTIMATE.start_main_~x~4 86), 68796#(<= ULTIMATE.start_main_~x~4 84), 68799#(<= ULTIMATE.start_main_~x~4 90), 68798#(<= ULTIMATE.start_main_~x~4 88), 68801#(<= ULTIMATE.start_main_~x~4 94), 68800#(<= ULTIMATE.start_main_~x~4 92), 68803#(<= ULTIMATE.start_main_~x~4 98), 68802#(<= ULTIMATE.start_main_~x~4 96), 68805#(<= ULTIMATE.start_main_~x~4 102), 68804#(<= ULTIMATE.start_main_~x~4 100), 68807#(<= ULTIMATE.start_main_~x~4 106), 68806#(<= ULTIMATE.start_main_~x~4 104), 68809#(<= ULTIMATE.start_main_~x~4 110), 68808#(<= ULTIMATE.start_main_~x~4 108), 68811#(<= ULTIMATE.start_main_~x~4 114), 68810#(<= ULTIMATE.start_main_~x~4 112), 68813#(<= ULTIMATE.start_main_~x~4 118), 68812#(<= ULTIMATE.start_main_~x~4 116), 68815#(<= ULTIMATE.start_main_~x~4 122), 68814#(<= ULTIMATE.start_main_~x~4 120), 68817#(<= ULTIMATE.start_main_~x~4 126), 68816#(<= ULTIMATE.start_main_~x~4 124), 68819#(<= ULTIMATE.start_main_~x~4 130), 68818#(<= ULTIMATE.start_main_~x~4 128), 68821#(<= ULTIMATE.start_main_~x~4 134), 68820#(<= ULTIMATE.start_main_~x~4 132), 68823#(<= ULTIMATE.start_main_~x~4 138), 68822#(<= ULTIMATE.start_main_~x~4 136), 68825#(<= ULTIMATE.start_main_~x~4 142), 68824#(<= ULTIMATE.start_main_~x~4 140), 68827#(<= ULTIMATE.start_main_~x~4 146), 68826#(<= ULTIMATE.start_main_~x~4 144), 68829#(<= ULTIMATE.start_main_~x~4 150), 68828#(<= ULTIMATE.start_main_~x~4 148), 68831#(<= ULTIMATE.start_main_~x~4 154), 68830#(<= ULTIMATE.start_main_~x~4 152), 68833#(<= ULTIMATE.start_main_~x~4 158), 68832#(<= ULTIMATE.start_main_~x~4 156), 68835#(<= ULTIMATE.start_main_~x~4 162), 68834#(<= ULTIMATE.start_main_~x~4 160), 68837#(<= ULTIMATE.start_main_~x~4 166), 68836#(<= ULTIMATE.start_main_~x~4 164), 68839#(<= ULTIMATE.start_main_~x~4 170), 68838#(<= ULTIMATE.start_main_~x~4 168), 68841#(<= ULTIMATE.start_main_~x~4 174), 68840#(<= ULTIMATE.start_main_~x~4 172), 68843#(<= ULTIMATE.start_main_~x~4 178), 68842#(<= ULTIMATE.start_main_~x~4 176), 68845#(<= ULTIMATE.start_main_~x~4 182), 68844#(<= ULTIMATE.start_main_~x~4 180), 68847#(<= ULTIMATE.start_main_~x~4 186), 68846#(<= ULTIMATE.start_main_~x~4 184), 68849#(<= ULTIMATE.start_main_~x~4 190), 68848#(<= ULTIMATE.start_main_~x~4 188), 68851#(<= ULTIMATE.start_main_~x~4 194), 68850#(<= ULTIMATE.start_main_~x~4 192), 68853#(<= ULTIMATE.start_main_~x~4 198), 68852#(<= ULTIMATE.start_main_~x~4 196), 68855#(<= ULTIMATE.start_main_~x~4 202), 68854#(<= ULTIMATE.start_main_~x~4 200), 68857#(<= ULTIMATE.start_main_~x~4 206), 68856#(<= ULTIMATE.start_main_~x~4 204), 68859#(<= ULTIMATE.start_main_~x~4 210), 68858#(<= ULTIMATE.start_main_~x~4 208), 68861#(<= ULTIMATE.start_main_~x~4 214), 68860#(<= ULTIMATE.start_main_~x~4 212), 68863#(<= ULTIMATE.start_main_~x~4 218), 68862#(<= ULTIMATE.start_main_~x~4 216)] [2018-07-23 13:42:34,209 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 13:42:34,209 INFO L450 AbstractCegarLoop]: Interpolant automaton has 164 states [2018-07-23 13:42:34,211 INFO L132 InterpolantAutomaton]: Constructing interpolant automaton starting with 164 interpolants. [2018-07-23 13:42:34,212 INFO L133 InterpolantAutomaton]: CoverageRelationStatistics Valid=13366, Invalid=13366, Unknown=0, NotChecked=0, Total=26732 [2018-07-23 13:42:34,212 INFO L87 Difference]: Start difference. First operand 165 states and 165 transitions. Second operand 164 states. [2018-07-23 13:42:34,401 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2018-07-23 13:42:34,401 INFO L93 Difference]: Finished difference Result 168 states and 168 transitions. [2018-07-23 13:42:34,401 INFO L142 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 164 states. [2018-07-23 13:42:34,401 INFO L78 Accepts]: Start accepts. Automaton has 164 states. Word has length 164 [2018-07-23 13:42:34,402 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2018-07-23 13:42:34,402 INFO L225 Difference]: With dead ends: 168 [2018-07-23 13:42:34,402 INFO L226 Difference]: Without dead ends: 166 [2018-07-23 13:42:34,405 INFO L575 BasicCegarLoop]: 0 DeclaredPredicates, 163 GetRequests, 1 SyntacticMatches, 0 SemanticMatches, 162 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 0 ImplicationChecksByTransitivity, 0.5s TimeCoverageRelationStatistics Valid=13366, Invalid=13366, Unknown=0, NotChecked=0, Total=26732 [2018-07-23 13:42:34,405 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 166 states. [2018-07-23 13:42:34,407 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 166 to 166. [2018-07-23 13:42:34,408 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 166 states. [2018-07-23 13:42:34,408 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 166 states to 166 states and 166 transitions. [2018-07-23 13:42:34,408 INFO L78 Accepts]: Start accepts. Automaton has 166 states and 166 transitions. Word has length 164 [2018-07-23 13:42:34,408 INFO L84 Accepts]: Finished accepts. word is rejected. [2018-07-23 13:42:34,408 INFO L471 AbstractCegarLoop]: Abstraction has 166 states and 166 transitions. [2018-07-23 13:42:34,408 INFO L472 AbstractCegarLoop]: Interpolant automaton has 164 states. [2018-07-23 13:42:34,409 INFO L276 IsEmpty]: Start isEmpty. Operand 166 states and 166 transitions. [2018-07-23 13:42:34,409 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 166 [2018-07-23 13:42:34,409 INFO L349 BasicCegarLoop]: Found error trace [2018-07-23 13:42:34,409 INFO L357 BasicCegarLoop]: trace histogram [162, 1, 1, 1] [2018-07-23 13:42:34,410 INFO L414 AbstractCegarLoop]: === Iteration 163 === [ULTIMATE.startErr0AssertViolationASSERT]=== [2018-07-23 13:42:34,410 INFO L82 PathProgramCache]: Analyzing trace with hash -621709279, now seen corresponding path program 162 times [2018-07-23 13:42:34,410 INFO L69 tionRefinementEngine]: Using refinement strategy FixedRefinementStrategy [2018-07-23 13:42:34,432 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-07-23 13:42:35,122 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 13:42:35,123 INFO L309 seRefinementStrategy]: Constructing automaton from 0 perfect and 1 imperfect interpolant sequences. [2018-07-23 13:42:35,123 INFO L324 seRefinementStrategy]: Number of different interpolants: perfect sequences [] imperfect sequences [164] total 164 [2018-07-23 13:42:35,123 INFO L142 lantAutomatonBuilder]: Constructing canonical interpolant automaton, with selfloop in false state [2018-07-23 13:42:35,123 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2018-07-23 13:42:35,123 INFO L185 omatonBuilderFactory]: Interpolants [69633#(<= ULTIMATE.start_main_~x~4 94), 69632#(<= ULTIMATE.start_main_~x~4 92), 69635#(<= ULTIMATE.start_main_~x~4 98), 69634#(<= ULTIMATE.start_main_~x~4 96), 69637#(<= ULTIMATE.start_main_~x~4 102), 69636#(<= ULTIMATE.start_main_~x~4 100), 69639#(<= ULTIMATE.start_main_~x~4 106), 69638#(<= ULTIMATE.start_main_~x~4 104), 69641#(<= ULTIMATE.start_main_~x~4 110), 69640#(<= ULTIMATE.start_main_~x~4 108), 69643#(<= ULTIMATE.start_main_~x~4 114), 69642#(<= ULTIMATE.start_main_~x~4 112), 69645#(<= ULTIMATE.start_main_~x~4 118), 69644#(<= ULTIMATE.start_main_~x~4 116), 69647#(<= ULTIMATE.start_main_~x~4 122), 69646#(<= ULTIMATE.start_main_~x~4 120), 69649#(<= ULTIMATE.start_main_~x~4 126), 69648#(<= ULTIMATE.start_main_~x~4 124), 69651#(<= ULTIMATE.start_main_~x~4 130), 69650#(<= ULTIMATE.start_main_~x~4 128), 69653#(<= ULTIMATE.start_main_~x~4 134), 69652#(<= ULTIMATE.start_main_~x~4 132), 69655#(<= ULTIMATE.start_main_~x~4 138), 69654#(<= ULTIMATE.start_main_~x~4 136), 69657#(<= ULTIMATE.start_main_~x~4 142), 69656#(<= ULTIMATE.start_main_~x~4 140), 69659#(<= ULTIMATE.start_main_~x~4 146), 69658#(<= ULTIMATE.start_main_~x~4 144), 69661#(<= ULTIMATE.start_main_~x~4 150), 69660#(<= ULTIMATE.start_main_~x~4 148), 69663#(<= ULTIMATE.start_main_~x~4 154), 69662#(<= ULTIMATE.start_main_~x~4 152), 69665#(<= ULTIMATE.start_main_~x~4 158), 69664#(<= ULTIMATE.start_main_~x~4 156), 69667#(<= ULTIMATE.start_main_~x~4 162), 69666#(<= ULTIMATE.start_main_~x~4 160), 69669#(<= ULTIMATE.start_main_~x~4 166), 69668#(<= ULTIMATE.start_main_~x~4 164), 69671#(<= ULTIMATE.start_main_~x~4 170), 69670#(<= ULTIMATE.start_main_~x~4 168), 69673#(<= ULTIMATE.start_main_~x~4 174), 69672#(<= ULTIMATE.start_main_~x~4 172), 69675#(<= ULTIMATE.start_main_~x~4 178), 69674#(<= ULTIMATE.start_main_~x~4 176), 69677#(<= ULTIMATE.start_main_~x~4 182), 69676#(<= ULTIMATE.start_main_~x~4 180), 69679#(<= ULTIMATE.start_main_~x~4 186), 69678#(<= ULTIMATE.start_main_~x~4 184), 69681#(<= ULTIMATE.start_main_~x~4 190), 69680#(<= ULTIMATE.start_main_~x~4 188), 69683#(<= ULTIMATE.start_main_~x~4 194), 69682#(<= ULTIMATE.start_main_~x~4 192), 69685#(<= ULTIMATE.start_main_~x~4 198), 69684#(<= ULTIMATE.start_main_~x~4 196), 69687#(<= ULTIMATE.start_main_~x~4 202), 69686#(<= ULTIMATE.start_main_~x~4 200), 69689#(<= ULTIMATE.start_main_~x~4 206), 69688#(<= ULTIMATE.start_main_~x~4 204), 69691#(<= ULTIMATE.start_main_~x~4 210), 69690#(<= ULTIMATE.start_main_~x~4 208), 69693#(<= ULTIMATE.start_main_~x~4 214), 69692#(<= ULTIMATE.start_main_~x~4 212), 69695#(<= ULTIMATE.start_main_~x~4 218), 69694#(<= ULTIMATE.start_main_~x~4 216), 69697#(<= ULTIMATE.start_main_~x~4 222), 69696#(<= ULTIMATE.start_main_~x~4 220), 69699#(<= ULTIMATE.start_main_~x~4 226), 69698#(<= ULTIMATE.start_main_~x~4 224), 69701#(<= ULTIMATE.start_main_~x~4 230), 69700#(<= ULTIMATE.start_main_~x~4 228), 69703#(<= ULTIMATE.start_main_~x~4 234), 69702#(<= ULTIMATE.start_main_~x~4 232), 69705#(<= ULTIMATE.start_main_~x~4 238), 69704#(<= ULTIMATE.start_main_~x~4 236), 69707#(<= ULTIMATE.start_main_~x~4 242), 69706#(<= ULTIMATE.start_main_~x~4 240), 69709#(<= ULTIMATE.start_main_~x~4 246), 69708#(<= ULTIMATE.start_main_~x~4 244), 69711#(<= ULTIMATE.start_main_~x~4 250), 69710#(<= ULTIMATE.start_main_~x~4 248), 69713#(<= ULTIMATE.start_main_~x~4 254), 69712#(<= ULTIMATE.start_main_~x~4 252), 69715#(<= ULTIMATE.start_main_~x~4 258), 69714#(<= ULTIMATE.start_main_~x~4 256), 69717#(<= ULTIMATE.start_main_~x~4 262), 69716#(<= ULTIMATE.start_main_~x~4 260), 69719#(<= ULTIMATE.start_main_~x~4 266), 69718#(<= ULTIMATE.start_main_~x~4 264), 69721#(<= ULTIMATE.start_main_~x~4 270), 69720#(<= ULTIMATE.start_main_~x~4 268), 69723#(<= ULTIMATE.start_main_~x~4 274), 69722#(<= ULTIMATE.start_main_~x~4 272), 69725#(<= ULTIMATE.start_main_~x~4 278), 69724#(<= ULTIMATE.start_main_~x~4 276), 69727#(<= ULTIMATE.start_main_~x~4 282), 69726#(<= ULTIMATE.start_main_~x~4 280), 69729#(<= ULTIMATE.start_main_~x~4 286), 69728#(<= ULTIMATE.start_main_~x~4 284), 69731#(<= ULTIMATE.start_main_~x~4 290), 69730#(<= ULTIMATE.start_main_~x~4 288), 69733#(<= ULTIMATE.start_main_~x~4 294), 69732#(<= ULTIMATE.start_main_~x~4 292), 69735#(<= ULTIMATE.start_main_~x~4 298), 69734#(<= ULTIMATE.start_main_~x~4 296), 69737#(<= ULTIMATE.start_main_~x~4 302), 69736#(<= ULTIMATE.start_main_~x~4 300), 69739#(<= ULTIMATE.start_main_~x~4 306), 69738#(<= ULTIMATE.start_main_~x~4 304), 69741#(<= ULTIMATE.start_main_~x~4 310), 69740#(<= ULTIMATE.start_main_~x~4 308), 69743#(<= ULTIMATE.start_main_~x~4 314), 69742#(<= ULTIMATE.start_main_~x~4 312), 69745#(<= ULTIMATE.start_main_~x~4 318), 69744#(<= ULTIMATE.start_main_~x~4 316), 69747#(<= ULTIMATE.start_main_~x~4 322), 69746#(<= ULTIMATE.start_main_~x~4 320), 69749#(<= ULTIMATE.start_main_~x~4 326), 69748#(<= ULTIMATE.start_main_~x~4 324), 69751#(<= ULTIMATE.start_main_~x~4 330), 69750#(<= ULTIMATE.start_main_~x~4 328), 69753#(<= ULTIMATE.start_main_~x~4 334), 69752#(<= ULTIMATE.start_main_~x~4 332), 69589#true, 69591#(<= ULTIMATE.start_main_~x~4 10), 69590#false, 69593#(<= ULTIMATE.start_main_~x~4 14), 69592#(<= ULTIMATE.start_main_~x~4 12), 69595#(<= ULTIMATE.start_main_~x~4 18), 69594#(<= ULTIMATE.start_main_~x~4 16), 69597#(<= ULTIMATE.start_main_~x~4 22), 69596#(<= ULTIMATE.start_main_~x~4 20), 69599#(<= ULTIMATE.start_main_~x~4 26), 69598#(<= ULTIMATE.start_main_~x~4 24), 69601#(<= ULTIMATE.start_main_~x~4 30), 69600#(<= ULTIMATE.start_main_~x~4 28), 69603#(<= ULTIMATE.start_main_~x~4 34), 69602#(<= ULTIMATE.start_main_~x~4 32), 69605#(<= ULTIMATE.start_main_~x~4 38), 69604#(<= ULTIMATE.start_main_~x~4 36), 69607#(<= ULTIMATE.start_main_~x~4 42), 69606#(<= ULTIMATE.start_main_~x~4 40), 69609#(<= ULTIMATE.start_main_~x~4 46), 69608#(<= ULTIMATE.start_main_~x~4 44), 69611#(<= ULTIMATE.start_main_~x~4 50), 69610#(<= ULTIMATE.start_main_~x~4 48), 69613#(<= ULTIMATE.start_main_~x~4 54), 69612#(<= ULTIMATE.start_main_~x~4 52), 69615#(<= ULTIMATE.start_main_~x~4 58), 69614#(<= ULTIMATE.start_main_~x~4 56), 69617#(<= ULTIMATE.start_main_~x~4 62), 69616#(<= ULTIMATE.start_main_~x~4 60), 69619#(<= ULTIMATE.start_main_~x~4 66), 69618#(<= ULTIMATE.start_main_~x~4 64), 69621#(<= ULTIMATE.start_main_~x~4 70), 69620#(<= ULTIMATE.start_main_~x~4 68), 69623#(<= ULTIMATE.start_main_~x~4 74), 69622#(<= ULTIMATE.start_main_~x~4 72), 69625#(<= ULTIMATE.start_main_~x~4 78), 69624#(<= ULTIMATE.start_main_~x~4 76), 69627#(<= ULTIMATE.start_main_~x~4 82), 69626#(<= ULTIMATE.start_main_~x~4 80), 69629#(<= ULTIMATE.start_main_~x~4 86), 69628#(<= ULTIMATE.start_main_~x~4 84), 69631#(<= ULTIMATE.start_main_~x~4 90), 69630#(<= ULTIMATE.start_main_~x~4 88)] [2018-07-23 13:42:35,124 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 13:42:35,124 INFO L450 AbstractCegarLoop]: Interpolant automaton has 165 states [2018-07-23 13:42:35,126 INFO L132 InterpolantAutomaton]: Constructing interpolant automaton starting with 165 interpolants. [2018-07-23 13:42:35,127 INFO L133 InterpolantAutomaton]: CoverageRelationStatistics Valid=13530, Invalid=13530, Unknown=0, NotChecked=0, Total=27060 [2018-07-23 13:42:35,127 INFO L87 Difference]: Start difference. First operand 166 states and 166 transitions. Second operand 165 states. [2018-07-23 13:42:35,430 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2018-07-23 13:42:35,430 INFO L93 Difference]: Finished difference Result 169 states and 169 transitions. [2018-07-23 13:42:35,430 INFO L142 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 165 states. [2018-07-23 13:42:35,430 INFO L78 Accepts]: Start accepts. Automaton has 165 states. Word has length 165 [2018-07-23 13:42:35,431 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2018-07-23 13:42:35,431 INFO L225 Difference]: With dead ends: 169 [2018-07-23 13:42:35,431 INFO L226 Difference]: Without dead ends: 167 [2018-07-23 13:42:35,433 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 13:42:35,433 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 167 states. [2018-07-23 13:42:35,435 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 167 to 167. [2018-07-23 13:42:35,435 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 167 states. [2018-07-23 13:42:35,435 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 167 states to 167 states and 167 transitions. [2018-07-23 13:42:35,435 INFO L78 Accepts]: Start accepts. Automaton has 167 states and 167 transitions. Word has length 165 [2018-07-23 13:42:35,435 INFO L84 Accepts]: Finished accepts. word is rejected. [2018-07-23 13:42:35,435 INFO L471 AbstractCegarLoop]: Abstraction has 167 states and 167 transitions. [2018-07-23 13:42:35,435 INFO L472 AbstractCegarLoop]: Interpolant automaton has 165 states. [2018-07-23 13:42:35,435 INFO L276 IsEmpty]: Start isEmpty. Operand 167 states and 167 transitions. [2018-07-23 13:42:35,436 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 167 [2018-07-23 13:42:35,436 INFO L349 BasicCegarLoop]: Found error trace [2018-07-23 13:42:35,436 INFO L357 BasicCegarLoop]: trace histogram [163, 1, 1, 1] [2018-07-23 13:42:35,436 INFO L414 AbstractCegarLoop]: === Iteration 164 === [ULTIMATE.startErr0AssertViolationASSERT]=== [2018-07-23 13:42:35,436 INFO L82 PathProgramCache]: Analyzing trace with hash -2093120440, now seen corresponding path program 163 times [2018-07-23 13:42:35,436 INFO L69 tionRefinementEngine]: Using refinement strategy FixedRefinementStrategy [2018-07-23 13:42:35,448 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-07-23 13:42:35,962 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 13:42:35,962 INFO L309 seRefinementStrategy]: Constructing automaton from 0 perfect and 1 imperfect interpolant sequences. [2018-07-23 13:42:35,962 INFO L324 seRefinementStrategy]: Number of different interpolants: perfect sequences [] imperfect sequences [165] total 165 [2018-07-23 13:42:35,963 INFO L142 lantAutomatonBuilder]: Constructing canonical interpolant automaton, with selfloop in false state [2018-07-23 13:42:35,963 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2018-07-23 13:42:35,963 INFO L185 omatonBuilderFactory]: Interpolants [70427#false, 70426#true, 70429#(<= ULTIMATE.start_main_~x~4 12), 70428#(<= ULTIMATE.start_main_~x~4 10), 70431#(<= ULTIMATE.start_main_~x~4 16), 70430#(<= ULTIMATE.start_main_~x~4 14), 70433#(<= ULTIMATE.start_main_~x~4 20), 70432#(<= ULTIMATE.start_main_~x~4 18), 70435#(<= ULTIMATE.start_main_~x~4 24), 70434#(<= ULTIMATE.start_main_~x~4 22), 70437#(<= ULTIMATE.start_main_~x~4 28), 70436#(<= ULTIMATE.start_main_~x~4 26), 70439#(<= ULTIMATE.start_main_~x~4 32), 70438#(<= ULTIMATE.start_main_~x~4 30), 70441#(<= ULTIMATE.start_main_~x~4 36), 70440#(<= ULTIMATE.start_main_~x~4 34), 70443#(<= ULTIMATE.start_main_~x~4 40), 70442#(<= ULTIMATE.start_main_~x~4 38), 70445#(<= ULTIMATE.start_main_~x~4 44), 70444#(<= ULTIMATE.start_main_~x~4 42), 70447#(<= ULTIMATE.start_main_~x~4 48), 70446#(<= ULTIMATE.start_main_~x~4 46), 70449#(<= ULTIMATE.start_main_~x~4 52), 70448#(<= ULTIMATE.start_main_~x~4 50), 70451#(<= ULTIMATE.start_main_~x~4 56), 70450#(<= ULTIMATE.start_main_~x~4 54), 70453#(<= ULTIMATE.start_main_~x~4 60), 70452#(<= ULTIMATE.start_main_~x~4 58), 70455#(<= ULTIMATE.start_main_~x~4 64), 70454#(<= ULTIMATE.start_main_~x~4 62), 70457#(<= ULTIMATE.start_main_~x~4 68), 70456#(<= ULTIMATE.start_main_~x~4 66), 70459#(<= ULTIMATE.start_main_~x~4 72), 70458#(<= ULTIMATE.start_main_~x~4 70), 70461#(<= ULTIMATE.start_main_~x~4 76), 70460#(<= ULTIMATE.start_main_~x~4 74), 70463#(<= ULTIMATE.start_main_~x~4 80), 70462#(<= ULTIMATE.start_main_~x~4 78), 70465#(<= ULTIMATE.start_main_~x~4 84), 70464#(<= ULTIMATE.start_main_~x~4 82), 70467#(<= ULTIMATE.start_main_~x~4 88), 70466#(<= ULTIMATE.start_main_~x~4 86), 70469#(<= ULTIMATE.start_main_~x~4 92), 70468#(<= ULTIMATE.start_main_~x~4 90), 70471#(<= ULTIMATE.start_main_~x~4 96), 70470#(<= ULTIMATE.start_main_~x~4 94), 70473#(<= ULTIMATE.start_main_~x~4 100), 70472#(<= ULTIMATE.start_main_~x~4 98), 70475#(<= ULTIMATE.start_main_~x~4 104), 70474#(<= ULTIMATE.start_main_~x~4 102), 70477#(<= ULTIMATE.start_main_~x~4 108), 70476#(<= ULTIMATE.start_main_~x~4 106), 70479#(<= ULTIMATE.start_main_~x~4 112), 70478#(<= ULTIMATE.start_main_~x~4 110), 70481#(<= ULTIMATE.start_main_~x~4 116), 70480#(<= ULTIMATE.start_main_~x~4 114), 70483#(<= ULTIMATE.start_main_~x~4 120), 70482#(<= ULTIMATE.start_main_~x~4 118), 70485#(<= ULTIMATE.start_main_~x~4 124), 70484#(<= ULTIMATE.start_main_~x~4 122), 70487#(<= ULTIMATE.start_main_~x~4 128), 70486#(<= ULTIMATE.start_main_~x~4 126), 70489#(<= ULTIMATE.start_main_~x~4 132), 70488#(<= ULTIMATE.start_main_~x~4 130), 70491#(<= ULTIMATE.start_main_~x~4 136), 70490#(<= ULTIMATE.start_main_~x~4 134), 70493#(<= ULTIMATE.start_main_~x~4 140), 70492#(<= ULTIMATE.start_main_~x~4 138), 70495#(<= ULTIMATE.start_main_~x~4 144), 70494#(<= ULTIMATE.start_main_~x~4 142), 70497#(<= ULTIMATE.start_main_~x~4 148), 70496#(<= ULTIMATE.start_main_~x~4 146), 70499#(<= ULTIMATE.start_main_~x~4 152), 70498#(<= ULTIMATE.start_main_~x~4 150), 70501#(<= ULTIMATE.start_main_~x~4 156), 70500#(<= ULTIMATE.start_main_~x~4 154), 70503#(<= ULTIMATE.start_main_~x~4 160), 70502#(<= ULTIMATE.start_main_~x~4 158), 70505#(<= ULTIMATE.start_main_~x~4 164), 70504#(<= ULTIMATE.start_main_~x~4 162), 70507#(<= ULTIMATE.start_main_~x~4 168), 70506#(<= ULTIMATE.start_main_~x~4 166), 70509#(<= ULTIMATE.start_main_~x~4 172), 70508#(<= ULTIMATE.start_main_~x~4 170), 70511#(<= ULTIMATE.start_main_~x~4 176), 70510#(<= ULTIMATE.start_main_~x~4 174), 70513#(<= ULTIMATE.start_main_~x~4 180), 70512#(<= ULTIMATE.start_main_~x~4 178), 70515#(<= ULTIMATE.start_main_~x~4 184), 70514#(<= ULTIMATE.start_main_~x~4 182), 70517#(<= ULTIMATE.start_main_~x~4 188), 70516#(<= ULTIMATE.start_main_~x~4 186), 70519#(<= ULTIMATE.start_main_~x~4 192), 70518#(<= ULTIMATE.start_main_~x~4 190), 70521#(<= ULTIMATE.start_main_~x~4 196), 70520#(<= ULTIMATE.start_main_~x~4 194), 70523#(<= ULTIMATE.start_main_~x~4 200), 70522#(<= ULTIMATE.start_main_~x~4 198), 70525#(<= ULTIMATE.start_main_~x~4 204), 70524#(<= ULTIMATE.start_main_~x~4 202), 70527#(<= ULTIMATE.start_main_~x~4 208), 70526#(<= ULTIMATE.start_main_~x~4 206), 70529#(<= ULTIMATE.start_main_~x~4 212), 70528#(<= ULTIMATE.start_main_~x~4 210), 70531#(<= ULTIMATE.start_main_~x~4 216), 70530#(<= ULTIMATE.start_main_~x~4 214), 70533#(<= ULTIMATE.start_main_~x~4 220), 70532#(<= ULTIMATE.start_main_~x~4 218), 70535#(<= ULTIMATE.start_main_~x~4 224), 70534#(<= ULTIMATE.start_main_~x~4 222), 70537#(<= ULTIMATE.start_main_~x~4 228), 70536#(<= ULTIMATE.start_main_~x~4 226), 70539#(<= ULTIMATE.start_main_~x~4 232), 70538#(<= ULTIMATE.start_main_~x~4 230), 70541#(<= ULTIMATE.start_main_~x~4 236), 70540#(<= ULTIMATE.start_main_~x~4 234), 70543#(<= ULTIMATE.start_main_~x~4 240), 70542#(<= ULTIMATE.start_main_~x~4 238), 70545#(<= ULTIMATE.start_main_~x~4 244), 70544#(<= ULTIMATE.start_main_~x~4 242), 70547#(<= ULTIMATE.start_main_~x~4 248), 70546#(<= ULTIMATE.start_main_~x~4 246), 70549#(<= ULTIMATE.start_main_~x~4 252), 70548#(<= ULTIMATE.start_main_~x~4 250), 70551#(<= ULTIMATE.start_main_~x~4 256), 70550#(<= ULTIMATE.start_main_~x~4 254), 70553#(<= ULTIMATE.start_main_~x~4 260), 70552#(<= ULTIMATE.start_main_~x~4 258), 70555#(<= ULTIMATE.start_main_~x~4 264), 70554#(<= ULTIMATE.start_main_~x~4 262), 70557#(<= ULTIMATE.start_main_~x~4 268), 70556#(<= ULTIMATE.start_main_~x~4 266), 70559#(<= ULTIMATE.start_main_~x~4 272), 70558#(<= ULTIMATE.start_main_~x~4 270), 70561#(<= ULTIMATE.start_main_~x~4 276), 70560#(<= ULTIMATE.start_main_~x~4 274), 70563#(<= ULTIMATE.start_main_~x~4 280), 70562#(<= ULTIMATE.start_main_~x~4 278), 70565#(<= ULTIMATE.start_main_~x~4 284), 70564#(<= ULTIMATE.start_main_~x~4 282), 70567#(<= ULTIMATE.start_main_~x~4 288), 70566#(<= ULTIMATE.start_main_~x~4 286), 70569#(<= ULTIMATE.start_main_~x~4 292), 70568#(<= ULTIMATE.start_main_~x~4 290), 70571#(<= ULTIMATE.start_main_~x~4 296), 70570#(<= ULTIMATE.start_main_~x~4 294), 70573#(<= ULTIMATE.start_main_~x~4 300), 70572#(<= ULTIMATE.start_main_~x~4 298), 70575#(<= ULTIMATE.start_main_~x~4 304), 70574#(<= ULTIMATE.start_main_~x~4 302), 70577#(<= ULTIMATE.start_main_~x~4 308), 70576#(<= ULTIMATE.start_main_~x~4 306), 70579#(<= ULTIMATE.start_main_~x~4 312), 70578#(<= ULTIMATE.start_main_~x~4 310), 70581#(<= ULTIMATE.start_main_~x~4 316), 70580#(<= ULTIMATE.start_main_~x~4 314), 70583#(<= ULTIMATE.start_main_~x~4 320), 70582#(<= ULTIMATE.start_main_~x~4 318), 70585#(<= ULTIMATE.start_main_~x~4 324), 70584#(<= ULTIMATE.start_main_~x~4 322), 70587#(<= ULTIMATE.start_main_~x~4 328), 70586#(<= ULTIMATE.start_main_~x~4 326), 70589#(<= ULTIMATE.start_main_~x~4 332), 70588#(<= ULTIMATE.start_main_~x~4 330), 70591#(<= ULTIMATE.start_main_~x~4 336), 70590#(<= ULTIMATE.start_main_~x~4 334)] [2018-07-23 13:42:35,964 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 13:42:35,964 INFO L450 AbstractCegarLoop]: Interpolant automaton has 166 states [2018-07-23 13:42:35,965 INFO L132 InterpolantAutomaton]: Constructing interpolant automaton starting with 166 interpolants. [2018-07-23 13:42:35,966 INFO L133 InterpolantAutomaton]: CoverageRelationStatistics Valid=13695, Invalid=13695, Unknown=0, NotChecked=0, Total=27390 [2018-07-23 13:42:35,967 INFO L87 Difference]: Start difference. First operand 167 states and 167 transitions. Second operand 166 states. [2018-07-23 13:42:36,473 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2018-07-23 13:42:36,473 INFO L93 Difference]: Finished difference Result 170 states and 170 transitions. [2018-07-23 13:42:36,473 INFO L142 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 166 states. [2018-07-23 13:42:36,473 INFO L78 Accepts]: Start accepts. Automaton has 166 states. Word has length 166 [2018-07-23 13:42:36,473 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2018-07-23 13:42:36,474 INFO L225 Difference]: With dead ends: 170 [2018-07-23 13:42:36,474 INFO L226 Difference]: Without dead ends: 168 [2018-07-23 13:42:36,476 INFO L575 BasicCegarLoop]: 0 DeclaredPredicates, 165 GetRequests, 1 SyntacticMatches, 0 SemanticMatches, 164 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 0 ImplicationChecksByTransitivity, 0.4s TimeCoverageRelationStatistics Valid=13695, Invalid=13695, Unknown=0, NotChecked=0, Total=27390 [2018-07-23 13:42:36,476 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 168 states. [2018-07-23 13:42:36,478 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 168 to 168. [2018-07-23 13:42:36,478 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 168 states. [2018-07-23 13:42:36,478 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 168 states to 168 states and 168 transitions. [2018-07-23 13:42:36,478 INFO L78 Accepts]: Start accepts. Automaton has 168 states and 168 transitions. Word has length 166 [2018-07-23 13:42:36,479 INFO L84 Accepts]: Finished accepts. word is rejected. [2018-07-23 13:42:36,479 INFO L471 AbstractCegarLoop]: Abstraction has 168 states and 168 transitions. [2018-07-23 13:42:36,479 INFO L472 AbstractCegarLoop]: Interpolant automaton has 166 states. [2018-07-23 13:42:36,479 INFO L276 IsEmpty]: Start isEmpty. Operand 168 states and 168 transitions. [2018-07-23 13:42:36,479 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 168 [2018-07-23 13:42:36,479 INFO L349 BasicCegarLoop]: Found error trace [2018-07-23 13:42:36,479 INFO L357 BasicCegarLoop]: trace histogram [164, 1, 1, 1] [2018-07-23 13:42:36,479 INFO L414 AbstractCegarLoop]: === Iteration 165 === [ULTIMATE.startErr0AssertViolationASSERT]=== [2018-07-23 13:42:36,480 INFO L82 PathProgramCache]: Analyzing trace with hash -462226175, now seen corresponding path program 164 times [2018-07-23 13:42:36,480 INFO L69 tionRefinementEngine]: Using refinement strategy FixedRefinementStrategy [2018-07-23 13:42:36,492 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-07-23 13:42:37,083 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 13:42:37,084 INFO L309 seRefinementStrategy]: Constructing automaton from 0 perfect and 1 imperfect interpolant sequences. [2018-07-23 13:42:37,084 INFO L324 seRefinementStrategy]: Number of different interpolants: perfect sequences [] imperfect sequences [166] total 166 [2018-07-23 13:42:37,084 INFO L142 lantAutomatonBuilder]: Constructing canonical interpolant automaton, with selfloop in false state [2018-07-23 13:42:37,084 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2018-07-23 13:42:37,084 INFO L185 omatonBuilderFactory]: Interpolants [71425#(<= ULTIMATE.start_main_~x~4 320), 71424#(<= ULTIMATE.start_main_~x~4 318), 71427#(<= ULTIMATE.start_main_~x~4 324), 71426#(<= ULTIMATE.start_main_~x~4 322), 71429#(<= ULTIMATE.start_main_~x~4 328), 71428#(<= ULTIMATE.start_main_~x~4 326), 71431#(<= ULTIMATE.start_main_~x~4 332), 71430#(<= ULTIMATE.start_main_~x~4 330), 71433#(<= ULTIMATE.start_main_~x~4 336), 71432#(<= ULTIMATE.start_main_~x~4 334), 71434#(<= ULTIMATE.start_main_~x~4 338), 71269#false, 71268#true, 71271#(<= ULTIMATE.start_main_~x~4 12), 71270#(<= ULTIMATE.start_main_~x~4 10), 71273#(<= ULTIMATE.start_main_~x~4 16), 71272#(<= ULTIMATE.start_main_~x~4 14), 71275#(<= ULTIMATE.start_main_~x~4 20), 71274#(<= ULTIMATE.start_main_~x~4 18), 71277#(<= ULTIMATE.start_main_~x~4 24), 71276#(<= ULTIMATE.start_main_~x~4 22), 71279#(<= ULTIMATE.start_main_~x~4 28), 71278#(<= ULTIMATE.start_main_~x~4 26), 71281#(<= ULTIMATE.start_main_~x~4 32), 71280#(<= ULTIMATE.start_main_~x~4 30), 71283#(<= ULTIMATE.start_main_~x~4 36), 71282#(<= ULTIMATE.start_main_~x~4 34), 71285#(<= ULTIMATE.start_main_~x~4 40), 71284#(<= ULTIMATE.start_main_~x~4 38), 71287#(<= ULTIMATE.start_main_~x~4 44), 71286#(<= ULTIMATE.start_main_~x~4 42), 71289#(<= ULTIMATE.start_main_~x~4 48), 71288#(<= ULTIMATE.start_main_~x~4 46), 71291#(<= ULTIMATE.start_main_~x~4 52), 71290#(<= ULTIMATE.start_main_~x~4 50), 71293#(<= ULTIMATE.start_main_~x~4 56), 71292#(<= ULTIMATE.start_main_~x~4 54), 71295#(<= ULTIMATE.start_main_~x~4 60), 71294#(<= ULTIMATE.start_main_~x~4 58), 71297#(<= ULTIMATE.start_main_~x~4 64), 71296#(<= ULTIMATE.start_main_~x~4 62), 71299#(<= ULTIMATE.start_main_~x~4 68), 71298#(<= ULTIMATE.start_main_~x~4 66), 71301#(<= ULTIMATE.start_main_~x~4 72), 71300#(<= ULTIMATE.start_main_~x~4 70), 71303#(<= ULTIMATE.start_main_~x~4 76), 71302#(<= ULTIMATE.start_main_~x~4 74), 71305#(<= ULTIMATE.start_main_~x~4 80), 71304#(<= ULTIMATE.start_main_~x~4 78), 71307#(<= ULTIMATE.start_main_~x~4 84), 71306#(<= ULTIMATE.start_main_~x~4 82), 71309#(<= ULTIMATE.start_main_~x~4 88), 71308#(<= ULTIMATE.start_main_~x~4 86), 71311#(<= ULTIMATE.start_main_~x~4 92), 71310#(<= ULTIMATE.start_main_~x~4 90), 71313#(<= ULTIMATE.start_main_~x~4 96), 71312#(<= ULTIMATE.start_main_~x~4 94), 71315#(<= ULTIMATE.start_main_~x~4 100), 71314#(<= ULTIMATE.start_main_~x~4 98), 71317#(<= ULTIMATE.start_main_~x~4 104), 71316#(<= ULTIMATE.start_main_~x~4 102), 71319#(<= ULTIMATE.start_main_~x~4 108), 71318#(<= ULTIMATE.start_main_~x~4 106), 71321#(<= ULTIMATE.start_main_~x~4 112), 71320#(<= ULTIMATE.start_main_~x~4 110), 71323#(<= ULTIMATE.start_main_~x~4 116), 71322#(<= ULTIMATE.start_main_~x~4 114), 71325#(<= ULTIMATE.start_main_~x~4 120), 71324#(<= ULTIMATE.start_main_~x~4 118), 71327#(<= ULTIMATE.start_main_~x~4 124), 71326#(<= ULTIMATE.start_main_~x~4 122), 71329#(<= ULTIMATE.start_main_~x~4 128), 71328#(<= ULTIMATE.start_main_~x~4 126), 71331#(<= ULTIMATE.start_main_~x~4 132), 71330#(<= ULTIMATE.start_main_~x~4 130), 71333#(<= ULTIMATE.start_main_~x~4 136), 71332#(<= ULTIMATE.start_main_~x~4 134), 71335#(<= ULTIMATE.start_main_~x~4 140), 71334#(<= ULTIMATE.start_main_~x~4 138), 71337#(<= ULTIMATE.start_main_~x~4 144), 71336#(<= ULTIMATE.start_main_~x~4 142), 71339#(<= ULTIMATE.start_main_~x~4 148), 71338#(<= ULTIMATE.start_main_~x~4 146), 71341#(<= ULTIMATE.start_main_~x~4 152), 71340#(<= ULTIMATE.start_main_~x~4 150), 71343#(<= ULTIMATE.start_main_~x~4 156), 71342#(<= ULTIMATE.start_main_~x~4 154), 71345#(<= ULTIMATE.start_main_~x~4 160), 71344#(<= ULTIMATE.start_main_~x~4 158), 71347#(<= ULTIMATE.start_main_~x~4 164), 71346#(<= ULTIMATE.start_main_~x~4 162), 71349#(<= ULTIMATE.start_main_~x~4 168), 71348#(<= ULTIMATE.start_main_~x~4 166), 71351#(<= ULTIMATE.start_main_~x~4 172), 71350#(<= ULTIMATE.start_main_~x~4 170), 71353#(<= ULTIMATE.start_main_~x~4 176), 71352#(<= ULTIMATE.start_main_~x~4 174), 71355#(<= ULTIMATE.start_main_~x~4 180), 71354#(<= ULTIMATE.start_main_~x~4 178), 71357#(<= ULTIMATE.start_main_~x~4 184), 71356#(<= ULTIMATE.start_main_~x~4 182), 71359#(<= ULTIMATE.start_main_~x~4 188), 71358#(<= ULTIMATE.start_main_~x~4 186), 71361#(<= ULTIMATE.start_main_~x~4 192), 71360#(<= ULTIMATE.start_main_~x~4 190), 71363#(<= ULTIMATE.start_main_~x~4 196), 71362#(<= ULTIMATE.start_main_~x~4 194), 71365#(<= ULTIMATE.start_main_~x~4 200), 71364#(<= ULTIMATE.start_main_~x~4 198), 71367#(<= ULTIMATE.start_main_~x~4 204), 71366#(<= ULTIMATE.start_main_~x~4 202), 71369#(<= ULTIMATE.start_main_~x~4 208), 71368#(<= ULTIMATE.start_main_~x~4 206), 71371#(<= ULTIMATE.start_main_~x~4 212), 71370#(<= ULTIMATE.start_main_~x~4 210), 71373#(<= ULTIMATE.start_main_~x~4 216), 71372#(<= ULTIMATE.start_main_~x~4 214), 71375#(<= ULTIMATE.start_main_~x~4 220), 71374#(<= ULTIMATE.start_main_~x~4 218), 71377#(<= ULTIMATE.start_main_~x~4 224), 71376#(<= ULTIMATE.start_main_~x~4 222), 71379#(<= ULTIMATE.start_main_~x~4 228), 71378#(<= ULTIMATE.start_main_~x~4 226), 71381#(<= ULTIMATE.start_main_~x~4 232), 71380#(<= ULTIMATE.start_main_~x~4 230), 71383#(<= ULTIMATE.start_main_~x~4 236), 71382#(<= ULTIMATE.start_main_~x~4 234), 71385#(<= ULTIMATE.start_main_~x~4 240), 71384#(<= ULTIMATE.start_main_~x~4 238), 71387#(<= ULTIMATE.start_main_~x~4 244), 71386#(<= ULTIMATE.start_main_~x~4 242), 71389#(<= ULTIMATE.start_main_~x~4 248), 71388#(<= ULTIMATE.start_main_~x~4 246), 71391#(<= ULTIMATE.start_main_~x~4 252), 71390#(<= ULTIMATE.start_main_~x~4 250), 71393#(<= ULTIMATE.start_main_~x~4 256), 71392#(<= ULTIMATE.start_main_~x~4 254), 71395#(<= ULTIMATE.start_main_~x~4 260), 71394#(<= ULTIMATE.start_main_~x~4 258), 71397#(<= ULTIMATE.start_main_~x~4 264), 71396#(<= ULTIMATE.start_main_~x~4 262), 71399#(<= ULTIMATE.start_main_~x~4 268), 71398#(<= ULTIMATE.start_main_~x~4 266), 71401#(<= ULTIMATE.start_main_~x~4 272), 71400#(<= ULTIMATE.start_main_~x~4 270), 71403#(<= ULTIMATE.start_main_~x~4 276), 71402#(<= ULTIMATE.start_main_~x~4 274), 71405#(<= ULTIMATE.start_main_~x~4 280), 71404#(<= ULTIMATE.start_main_~x~4 278), 71407#(<= ULTIMATE.start_main_~x~4 284), 71406#(<= ULTIMATE.start_main_~x~4 282), 71409#(<= ULTIMATE.start_main_~x~4 288), 71408#(<= ULTIMATE.start_main_~x~4 286), 71411#(<= ULTIMATE.start_main_~x~4 292), 71410#(<= ULTIMATE.start_main_~x~4 290), 71413#(<= ULTIMATE.start_main_~x~4 296), 71412#(<= ULTIMATE.start_main_~x~4 294), 71415#(<= ULTIMATE.start_main_~x~4 300), 71414#(<= ULTIMATE.start_main_~x~4 298), 71417#(<= ULTIMATE.start_main_~x~4 304), 71416#(<= ULTIMATE.start_main_~x~4 302), 71419#(<= ULTIMATE.start_main_~x~4 308), 71418#(<= ULTIMATE.start_main_~x~4 306), 71421#(<= ULTIMATE.start_main_~x~4 312), 71420#(<= ULTIMATE.start_main_~x~4 310), 71423#(<= ULTIMATE.start_main_~x~4 316), 71422#(<= ULTIMATE.start_main_~x~4 314)] [2018-07-23 13:42:37,086 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 13:42:37,086 INFO L450 AbstractCegarLoop]: Interpolant automaton has 167 states [2018-07-23 13:42:37,088 INFO L132 InterpolantAutomaton]: Constructing interpolant automaton starting with 167 interpolants. [2018-07-23 13:42:37,089 INFO L133 InterpolantAutomaton]: CoverageRelationStatistics Valid=13861, Invalid=13861, Unknown=0, NotChecked=0, Total=27722 [2018-07-23 13:42:37,090 INFO L87 Difference]: Start difference. First operand 168 states and 168 transitions. Second operand 167 states. [2018-07-23 13:42:37,471 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2018-07-23 13:42:37,471 INFO L93 Difference]: Finished difference Result 171 states and 171 transitions. [2018-07-23 13:42:37,471 INFO L142 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 167 states. [2018-07-23 13:42:37,471 INFO L78 Accepts]: Start accepts. Automaton has 167 states. Word has length 167 [2018-07-23 13:42:37,472 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2018-07-23 13:42:37,472 INFO L225 Difference]: With dead ends: 171 [2018-07-23 13:42:37,472 INFO L226 Difference]: Without dead ends: 169 [2018-07-23 13:42:37,474 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 13:42:37,474 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 169 states. [2018-07-23 13:42:37,475 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 169 to 169. [2018-07-23 13:42:37,475 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 169 states. [2018-07-23 13:42:37,476 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 169 states to 169 states and 169 transitions. [2018-07-23 13:42:37,476 INFO L78 Accepts]: Start accepts. Automaton has 169 states and 169 transitions. Word has length 167 [2018-07-23 13:42:37,476 INFO L84 Accepts]: Finished accepts. word is rejected. [2018-07-23 13:42:37,476 INFO L471 AbstractCegarLoop]: Abstraction has 169 states and 169 transitions. [2018-07-23 13:42:37,476 INFO L472 AbstractCegarLoop]: Interpolant automaton has 167 states. [2018-07-23 13:42:37,476 INFO L276 IsEmpty]: Start isEmpty. Operand 169 states and 169 transitions. [2018-07-23 13:42:37,476 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 169 [2018-07-23 13:42:37,477 INFO L349 BasicCegarLoop]: Found error trace [2018-07-23 13:42:37,477 INFO L357 BasicCegarLoop]: trace histogram [165, 1, 1, 1] [2018-07-23 13:42:37,477 INFO L414 AbstractCegarLoop]: === Iteration 166 === [ULTIMATE.startErr0AssertViolationASSERT]=== [2018-07-23 13:42:37,477 INFO L82 PathProgramCache]: Analyzing trace with hash -1444111512, now seen corresponding path program 165 times [2018-07-23 13:42:37,477 INFO L69 tionRefinementEngine]: Using refinement strategy FixedRefinementStrategy [2018-07-23 13:42:37,490 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-07-23 13:42:38,052 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 13:42:38,052 INFO L309 seRefinementStrategy]: Constructing automaton from 0 perfect and 1 imperfect interpolant sequences. [2018-07-23 13:42:38,052 INFO L324 seRefinementStrategy]: Number of different interpolants: perfect sequences [] imperfect sequences [167] total 167 [2018-07-23 13:42:38,053 INFO L142 lantAutomatonBuilder]: Constructing canonical interpolant automaton, with selfloop in false state [2018-07-23 13:42:38,053 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2018-07-23 13:42:38,053 INFO L185 omatonBuilderFactory]: Interpolants [72193#(<= ULTIMATE.start_main_~x~4 162), 72192#(<= ULTIMATE.start_main_~x~4 160), 72195#(<= ULTIMATE.start_main_~x~4 166), 72194#(<= ULTIMATE.start_main_~x~4 164), 72197#(<= ULTIMATE.start_main_~x~4 170), 72196#(<= ULTIMATE.start_main_~x~4 168), 72199#(<= ULTIMATE.start_main_~x~4 174), 72198#(<= ULTIMATE.start_main_~x~4 172), 72201#(<= ULTIMATE.start_main_~x~4 178), 72200#(<= ULTIMATE.start_main_~x~4 176), 72203#(<= ULTIMATE.start_main_~x~4 182), 72202#(<= ULTIMATE.start_main_~x~4 180), 72205#(<= ULTIMATE.start_main_~x~4 186), 72204#(<= ULTIMATE.start_main_~x~4 184), 72207#(<= ULTIMATE.start_main_~x~4 190), 72206#(<= ULTIMATE.start_main_~x~4 188), 72209#(<= ULTIMATE.start_main_~x~4 194), 72208#(<= ULTIMATE.start_main_~x~4 192), 72211#(<= ULTIMATE.start_main_~x~4 198), 72210#(<= ULTIMATE.start_main_~x~4 196), 72213#(<= ULTIMATE.start_main_~x~4 202), 72212#(<= ULTIMATE.start_main_~x~4 200), 72215#(<= ULTIMATE.start_main_~x~4 206), 72214#(<= ULTIMATE.start_main_~x~4 204), 72217#(<= ULTIMATE.start_main_~x~4 210), 72216#(<= ULTIMATE.start_main_~x~4 208), 72219#(<= ULTIMATE.start_main_~x~4 214), 72218#(<= ULTIMATE.start_main_~x~4 212), 72221#(<= ULTIMATE.start_main_~x~4 218), 72220#(<= ULTIMATE.start_main_~x~4 216), 72223#(<= ULTIMATE.start_main_~x~4 222), 72222#(<= ULTIMATE.start_main_~x~4 220), 72225#(<= ULTIMATE.start_main_~x~4 226), 72224#(<= ULTIMATE.start_main_~x~4 224), 72227#(<= ULTIMATE.start_main_~x~4 230), 72226#(<= ULTIMATE.start_main_~x~4 228), 72229#(<= ULTIMATE.start_main_~x~4 234), 72228#(<= ULTIMATE.start_main_~x~4 232), 72231#(<= ULTIMATE.start_main_~x~4 238), 72230#(<= ULTIMATE.start_main_~x~4 236), 72233#(<= ULTIMATE.start_main_~x~4 242), 72232#(<= ULTIMATE.start_main_~x~4 240), 72235#(<= ULTIMATE.start_main_~x~4 246), 72234#(<= ULTIMATE.start_main_~x~4 244), 72237#(<= ULTIMATE.start_main_~x~4 250), 72236#(<= ULTIMATE.start_main_~x~4 248), 72239#(<= ULTIMATE.start_main_~x~4 254), 72238#(<= ULTIMATE.start_main_~x~4 252), 72241#(<= ULTIMATE.start_main_~x~4 258), 72240#(<= ULTIMATE.start_main_~x~4 256), 72243#(<= ULTIMATE.start_main_~x~4 262), 72242#(<= ULTIMATE.start_main_~x~4 260), 72245#(<= ULTIMATE.start_main_~x~4 266), 72244#(<= ULTIMATE.start_main_~x~4 264), 72247#(<= ULTIMATE.start_main_~x~4 270), 72246#(<= ULTIMATE.start_main_~x~4 268), 72249#(<= ULTIMATE.start_main_~x~4 274), 72248#(<= ULTIMATE.start_main_~x~4 272), 72251#(<= ULTIMATE.start_main_~x~4 278), 72250#(<= ULTIMATE.start_main_~x~4 276), 72253#(<= ULTIMATE.start_main_~x~4 282), 72252#(<= ULTIMATE.start_main_~x~4 280), 72255#(<= ULTIMATE.start_main_~x~4 286), 72254#(<= ULTIMATE.start_main_~x~4 284), 72257#(<= ULTIMATE.start_main_~x~4 290), 72256#(<= ULTIMATE.start_main_~x~4 288), 72259#(<= ULTIMATE.start_main_~x~4 294), 72258#(<= ULTIMATE.start_main_~x~4 292), 72261#(<= ULTIMATE.start_main_~x~4 298), 72260#(<= ULTIMATE.start_main_~x~4 296), 72263#(<= ULTIMATE.start_main_~x~4 302), 72262#(<= ULTIMATE.start_main_~x~4 300), 72265#(<= ULTIMATE.start_main_~x~4 306), 72264#(<= ULTIMATE.start_main_~x~4 304), 72267#(<= ULTIMATE.start_main_~x~4 310), 72266#(<= ULTIMATE.start_main_~x~4 308), 72269#(<= ULTIMATE.start_main_~x~4 314), 72268#(<= ULTIMATE.start_main_~x~4 312), 72271#(<= ULTIMATE.start_main_~x~4 318), 72270#(<= ULTIMATE.start_main_~x~4 316), 72273#(<= ULTIMATE.start_main_~x~4 322), 72272#(<= ULTIMATE.start_main_~x~4 320), 72275#(<= ULTIMATE.start_main_~x~4 326), 72274#(<= ULTIMATE.start_main_~x~4 324), 72277#(<= ULTIMATE.start_main_~x~4 330), 72276#(<= ULTIMATE.start_main_~x~4 328), 72279#(<= ULTIMATE.start_main_~x~4 334), 72278#(<= ULTIMATE.start_main_~x~4 332), 72281#(<= ULTIMATE.start_main_~x~4 338), 72280#(<= ULTIMATE.start_main_~x~4 336), 72282#(<= ULTIMATE.start_main_~x~4 340), 72115#true, 72117#(<= ULTIMATE.start_main_~x~4 10), 72116#false, 72119#(<= ULTIMATE.start_main_~x~4 14), 72118#(<= ULTIMATE.start_main_~x~4 12), 72121#(<= ULTIMATE.start_main_~x~4 18), 72120#(<= ULTIMATE.start_main_~x~4 16), 72123#(<= ULTIMATE.start_main_~x~4 22), 72122#(<= ULTIMATE.start_main_~x~4 20), 72125#(<= ULTIMATE.start_main_~x~4 26), 72124#(<= ULTIMATE.start_main_~x~4 24), 72127#(<= ULTIMATE.start_main_~x~4 30), 72126#(<= ULTIMATE.start_main_~x~4 28), 72129#(<= ULTIMATE.start_main_~x~4 34), 72128#(<= ULTIMATE.start_main_~x~4 32), 72131#(<= ULTIMATE.start_main_~x~4 38), 72130#(<= ULTIMATE.start_main_~x~4 36), 72133#(<= ULTIMATE.start_main_~x~4 42), 72132#(<= ULTIMATE.start_main_~x~4 40), 72135#(<= ULTIMATE.start_main_~x~4 46), 72134#(<= ULTIMATE.start_main_~x~4 44), 72137#(<= ULTIMATE.start_main_~x~4 50), 72136#(<= ULTIMATE.start_main_~x~4 48), 72139#(<= ULTIMATE.start_main_~x~4 54), 72138#(<= ULTIMATE.start_main_~x~4 52), 72141#(<= ULTIMATE.start_main_~x~4 58), 72140#(<= ULTIMATE.start_main_~x~4 56), 72143#(<= ULTIMATE.start_main_~x~4 62), 72142#(<= ULTIMATE.start_main_~x~4 60), 72145#(<= ULTIMATE.start_main_~x~4 66), 72144#(<= ULTIMATE.start_main_~x~4 64), 72147#(<= ULTIMATE.start_main_~x~4 70), 72146#(<= ULTIMATE.start_main_~x~4 68), 72149#(<= ULTIMATE.start_main_~x~4 74), 72148#(<= ULTIMATE.start_main_~x~4 72), 72151#(<= ULTIMATE.start_main_~x~4 78), 72150#(<= ULTIMATE.start_main_~x~4 76), 72153#(<= ULTIMATE.start_main_~x~4 82), 72152#(<= ULTIMATE.start_main_~x~4 80), 72155#(<= ULTIMATE.start_main_~x~4 86), 72154#(<= ULTIMATE.start_main_~x~4 84), 72157#(<= ULTIMATE.start_main_~x~4 90), 72156#(<= ULTIMATE.start_main_~x~4 88), 72159#(<= ULTIMATE.start_main_~x~4 94), 72158#(<= ULTIMATE.start_main_~x~4 92), 72161#(<= ULTIMATE.start_main_~x~4 98), 72160#(<= ULTIMATE.start_main_~x~4 96), 72163#(<= ULTIMATE.start_main_~x~4 102), 72162#(<= ULTIMATE.start_main_~x~4 100), 72165#(<= ULTIMATE.start_main_~x~4 106), 72164#(<= ULTIMATE.start_main_~x~4 104), 72167#(<= ULTIMATE.start_main_~x~4 110), 72166#(<= ULTIMATE.start_main_~x~4 108), 72169#(<= ULTIMATE.start_main_~x~4 114), 72168#(<= ULTIMATE.start_main_~x~4 112), 72171#(<= ULTIMATE.start_main_~x~4 118), 72170#(<= ULTIMATE.start_main_~x~4 116), 72173#(<= ULTIMATE.start_main_~x~4 122), 72172#(<= ULTIMATE.start_main_~x~4 120), 72175#(<= ULTIMATE.start_main_~x~4 126), 72174#(<= ULTIMATE.start_main_~x~4 124), 72177#(<= ULTIMATE.start_main_~x~4 130), 72176#(<= ULTIMATE.start_main_~x~4 128), 72179#(<= ULTIMATE.start_main_~x~4 134), 72178#(<= ULTIMATE.start_main_~x~4 132), 72181#(<= ULTIMATE.start_main_~x~4 138), 72180#(<= ULTIMATE.start_main_~x~4 136), 72183#(<= ULTIMATE.start_main_~x~4 142), 72182#(<= ULTIMATE.start_main_~x~4 140), 72185#(<= ULTIMATE.start_main_~x~4 146), 72184#(<= ULTIMATE.start_main_~x~4 144), 72187#(<= ULTIMATE.start_main_~x~4 150), 72186#(<= ULTIMATE.start_main_~x~4 148), 72189#(<= ULTIMATE.start_main_~x~4 154), 72188#(<= ULTIMATE.start_main_~x~4 152), 72191#(<= ULTIMATE.start_main_~x~4 158), 72190#(<= ULTIMATE.start_main_~x~4 156)] [2018-07-23 13:42:38,054 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 13:42:38,054 INFO L450 AbstractCegarLoop]: Interpolant automaton has 168 states [2018-07-23 13:42:38,056 INFO L132 InterpolantAutomaton]: Constructing interpolant automaton starting with 168 interpolants. [2018-07-23 13:42:38,057 INFO L133 InterpolantAutomaton]: CoverageRelationStatistics Valid=14028, Invalid=14028, Unknown=0, NotChecked=0, Total=28056 [2018-07-23 13:42:38,057 INFO L87 Difference]: Start difference. First operand 169 states and 169 transitions. Second operand 168 states. [2018-07-23 13:42:38,243 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2018-07-23 13:42:38,243 INFO L93 Difference]: Finished difference Result 172 states and 172 transitions. [2018-07-23 13:42:38,244 INFO L142 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 168 states. [2018-07-23 13:42:38,244 INFO L78 Accepts]: Start accepts. Automaton has 168 states. Word has length 168 [2018-07-23 13:42:38,244 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2018-07-23 13:42:38,244 INFO L225 Difference]: With dead ends: 172 [2018-07-23 13:42:38,244 INFO L226 Difference]: Without dead ends: 170 [2018-07-23 13:42:38,246 INFO L575 BasicCegarLoop]: 0 DeclaredPredicates, 167 GetRequests, 1 SyntacticMatches, 0 SemanticMatches, 166 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 0 ImplicationChecksByTransitivity, 0.5s TimeCoverageRelationStatistics Valid=14028, Invalid=14028, Unknown=0, NotChecked=0, Total=28056 [2018-07-23 13:42:38,246 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 170 states. [2018-07-23 13:42:38,249 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 170 to 170. [2018-07-23 13:42:38,249 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 170 states. [2018-07-23 13:42:38,249 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 170 states to 170 states and 170 transitions. [2018-07-23 13:42:38,249 INFO L78 Accepts]: Start accepts. Automaton has 170 states and 170 transitions. Word has length 168 [2018-07-23 13:42:38,250 INFO L84 Accepts]: Finished accepts. word is rejected. [2018-07-23 13:42:38,250 INFO L471 AbstractCegarLoop]: Abstraction has 170 states and 170 transitions. [2018-07-23 13:42:38,250 INFO L472 AbstractCegarLoop]: Interpolant automaton has 168 states. [2018-07-23 13:42:38,250 INFO L276 IsEmpty]: Start isEmpty. Operand 170 states and 170 transitions. [2018-07-23 13:42:38,250 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 170 [2018-07-23 13:42:38,251 INFO L349 BasicCegarLoop]: Found error trace [2018-07-23 13:42:38,251 INFO L357 BasicCegarLoop]: trace histogram [166, 1, 1, 1] [2018-07-23 13:42:38,251 INFO L414 AbstractCegarLoop]: === Iteration 167 === [ULTIMATE.startErr0AssertViolationASSERT]=== [2018-07-23 13:42:38,251 INFO L82 PathProgramCache]: Analyzing trace with hash -1817785887, now seen corresponding path program 166 times [2018-07-23 13:42:38,251 INFO L69 tionRefinementEngine]: Using refinement strategy FixedRefinementStrategy [2018-07-23 13:42:38,272 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-07-23 13:42:38,857 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 13:42:38,857 INFO L309 seRefinementStrategy]: Constructing automaton from 0 perfect and 1 imperfect interpolant sequences. [2018-07-23 13:42:38,857 INFO L324 seRefinementStrategy]: Number of different interpolants: perfect sequences [] imperfect sequences [168] total 168 [2018-07-23 13:42:38,858 INFO L142 lantAutomatonBuilder]: Constructing canonical interpolant automaton, with selfloop in false state [2018-07-23 13:42:38,858 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2018-07-23 13:42:38,858 INFO L185 omatonBuilderFactory]: Interpolants [72967#true, 72969#(<= ULTIMATE.start_main_~x~4 10), 72968#false, 72971#(<= ULTIMATE.start_main_~x~4 14), 72970#(<= ULTIMATE.start_main_~x~4 12), 72973#(<= ULTIMATE.start_main_~x~4 18), 72972#(<= ULTIMATE.start_main_~x~4 16), 72975#(<= ULTIMATE.start_main_~x~4 22), 72974#(<= ULTIMATE.start_main_~x~4 20), 72977#(<= ULTIMATE.start_main_~x~4 26), 72976#(<= ULTIMATE.start_main_~x~4 24), 72979#(<= ULTIMATE.start_main_~x~4 30), 72978#(<= ULTIMATE.start_main_~x~4 28), 72981#(<= ULTIMATE.start_main_~x~4 34), 72980#(<= ULTIMATE.start_main_~x~4 32), 72983#(<= ULTIMATE.start_main_~x~4 38), 72982#(<= ULTIMATE.start_main_~x~4 36), 72985#(<= ULTIMATE.start_main_~x~4 42), 72984#(<= ULTIMATE.start_main_~x~4 40), 72987#(<= ULTIMATE.start_main_~x~4 46), 72986#(<= ULTIMATE.start_main_~x~4 44), 72989#(<= ULTIMATE.start_main_~x~4 50), 72988#(<= ULTIMATE.start_main_~x~4 48), 72991#(<= ULTIMATE.start_main_~x~4 54), 72990#(<= ULTIMATE.start_main_~x~4 52), 72993#(<= ULTIMATE.start_main_~x~4 58), 72992#(<= ULTIMATE.start_main_~x~4 56), 72995#(<= ULTIMATE.start_main_~x~4 62), 72994#(<= ULTIMATE.start_main_~x~4 60), 72997#(<= ULTIMATE.start_main_~x~4 66), 72996#(<= ULTIMATE.start_main_~x~4 64), 72999#(<= ULTIMATE.start_main_~x~4 70), 72998#(<= ULTIMATE.start_main_~x~4 68), 73001#(<= ULTIMATE.start_main_~x~4 74), 73000#(<= ULTIMATE.start_main_~x~4 72), 73003#(<= ULTIMATE.start_main_~x~4 78), 73002#(<= ULTIMATE.start_main_~x~4 76), 73005#(<= ULTIMATE.start_main_~x~4 82), 73004#(<= ULTIMATE.start_main_~x~4 80), 73007#(<= ULTIMATE.start_main_~x~4 86), 73006#(<= ULTIMATE.start_main_~x~4 84), 73009#(<= ULTIMATE.start_main_~x~4 90), 73008#(<= ULTIMATE.start_main_~x~4 88), 73011#(<= ULTIMATE.start_main_~x~4 94), 73010#(<= ULTIMATE.start_main_~x~4 92), 73013#(<= ULTIMATE.start_main_~x~4 98), 73012#(<= ULTIMATE.start_main_~x~4 96), 73015#(<= ULTIMATE.start_main_~x~4 102), 73014#(<= ULTIMATE.start_main_~x~4 100), 73017#(<= ULTIMATE.start_main_~x~4 106), 73016#(<= ULTIMATE.start_main_~x~4 104), 73019#(<= ULTIMATE.start_main_~x~4 110), 73018#(<= ULTIMATE.start_main_~x~4 108), 73021#(<= ULTIMATE.start_main_~x~4 114), 73020#(<= ULTIMATE.start_main_~x~4 112), 73023#(<= ULTIMATE.start_main_~x~4 118), 73022#(<= ULTIMATE.start_main_~x~4 116), 73025#(<= ULTIMATE.start_main_~x~4 122), 73024#(<= ULTIMATE.start_main_~x~4 120), 73027#(<= ULTIMATE.start_main_~x~4 126), 73026#(<= ULTIMATE.start_main_~x~4 124), 73029#(<= ULTIMATE.start_main_~x~4 130), 73028#(<= ULTIMATE.start_main_~x~4 128), 73031#(<= ULTIMATE.start_main_~x~4 134), 73030#(<= ULTIMATE.start_main_~x~4 132), 73033#(<= ULTIMATE.start_main_~x~4 138), 73032#(<= ULTIMATE.start_main_~x~4 136), 73035#(<= ULTIMATE.start_main_~x~4 142), 73034#(<= ULTIMATE.start_main_~x~4 140), 73037#(<= ULTIMATE.start_main_~x~4 146), 73036#(<= ULTIMATE.start_main_~x~4 144), 73039#(<= ULTIMATE.start_main_~x~4 150), 73038#(<= ULTIMATE.start_main_~x~4 148), 73041#(<= ULTIMATE.start_main_~x~4 154), 73040#(<= ULTIMATE.start_main_~x~4 152), 73043#(<= ULTIMATE.start_main_~x~4 158), 73042#(<= ULTIMATE.start_main_~x~4 156), 73045#(<= ULTIMATE.start_main_~x~4 162), 73044#(<= ULTIMATE.start_main_~x~4 160), 73047#(<= ULTIMATE.start_main_~x~4 166), 73046#(<= ULTIMATE.start_main_~x~4 164), 73049#(<= ULTIMATE.start_main_~x~4 170), 73048#(<= ULTIMATE.start_main_~x~4 168), 73051#(<= ULTIMATE.start_main_~x~4 174), 73050#(<= ULTIMATE.start_main_~x~4 172), 73053#(<= ULTIMATE.start_main_~x~4 178), 73052#(<= ULTIMATE.start_main_~x~4 176), 73055#(<= ULTIMATE.start_main_~x~4 182), 73054#(<= ULTIMATE.start_main_~x~4 180), 73057#(<= ULTIMATE.start_main_~x~4 186), 73056#(<= ULTIMATE.start_main_~x~4 184), 73059#(<= ULTIMATE.start_main_~x~4 190), 73058#(<= ULTIMATE.start_main_~x~4 188), 73061#(<= ULTIMATE.start_main_~x~4 194), 73060#(<= ULTIMATE.start_main_~x~4 192), 73063#(<= ULTIMATE.start_main_~x~4 198), 73062#(<= ULTIMATE.start_main_~x~4 196), 73065#(<= ULTIMATE.start_main_~x~4 202), 73064#(<= ULTIMATE.start_main_~x~4 200), 73067#(<= ULTIMATE.start_main_~x~4 206), 73066#(<= ULTIMATE.start_main_~x~4 204), 73069#(<= ULTIMATE.start_main_~x~4 210), 73068#(<= ULTIMATE.start_main_~x~4 208), 73071#(<= ULTIMATE.start_main_~x~4 214), 73070#(<= ULTIMATE.start_main_~x~4 212), 73073#(<= ULTIMATE.start_main_~x~4 218), 73072#(<= ULTIMATE.start_main_~x~4 216), 73075#(<= ULTIMATE.start_main_~x~4 222), 73074#(<= ULTIMATE.start_main_~x~4 220), 73077#(<= ULTIMATE.start_main_~x~4 226), 73076#(<= ULTIMATE.start_main_~x~4 224), 73079#(<= ULTIMATE.start_main_~x~4 230), 73078#(<= ULTIMATE.start_main_~x~4 228), 73081#(<= ULTIMATE.start_main_~x~4 234), 73080#(<= ULTIMATE.start_main_~x~4 232), 73083#(<= ULTIMATE.start_main_~x~4 238), 73082#(<= ULTIMATE.start_main_~x~4 236), 73085#(<= ULTIMATE.start_main_~x~4 242), 73084#(<= ULTIMATE.start_main_~x~4 240), 73087#(<= ULTIMATE.start_main_~x~4 246), 73086#(<= ULTIMATE.start_main_~x~4 244), 73089#(<= ULTIMATE.start_main_~x~4 250), 73088#(<= ULTIMATE.start_main_~x~4 248), 73091#(<= ULTIMATE.start_main_~x~4 254), 73090#(<= ULTIMATE.start_main_~x~4 252), 73093#(<= ULTIMATE.start_main_~x~4 258), 73092#(<= ULTIMATE.start_main_~x~4 256), 73095#(<= ULTIMATE.start_main_~x~4 262), 73094#(<= ULTIMATE.start_main_~x~4 260), 73097#(<= ULTIMATE.start_main_~x~4 266), 73096#(<= ULTIMATE.start_main_~x~4 264), 73099#(<= ULTIMATE.start_main_~x~4 270), 73098#(<= ULTIMATE.start_main_~x~4 268), 73101#(<= ULTIMATE.start_main_~x~4 274), 73100#(<= ULTIMATE.start_main_~x~4 272), 73103#(<= ULTIMATE.start_main_~x~4 278), 73102#(<= ULTIMATE.start_main_~x~4 276), 73105#(<= ULTIMATE.start_main_~x~4 282), 73104#(<= ULTIMATE.start_main_~x~4 280), 73107#(<= ULTIMATE.start_main_~x~4 286), 73106#(<= ULTIMATE.start_main_~x~4 284), 73109#(<= ULTIMATE.start_main_~x~4 290), 73108#(<= ULTIMATE.start_main_~x~4 288), 73111#(<= ULTIMATE.start_main_~x~4 294), 73110#(<= ULTIMATE.start_main_~x~4 292), 73113#(<= ULTIMATE.start_main_~x~4 298), 73112#(<= ULTIMATE.start_main_~x~4 296), 73115#(<= ULTIMATE.start_main_~x~4 302), 73114#(<= ULTIMATE.start_main_~x~4 300), 73117#(<= ULTIMATE.start_main_~x~4 306), 73116#(<= ULTIMATE.start_main_~x~4 304), 73119#(<= ULTIMATE.start_main_~x~4 310), 73118#(<= ULTIMATE.start_main_~x~4 308), 73121#(<= ULTIMATE.start_main_~x~4 314), 73120#(<= ULTIMATE.start_main_~x~4 312), 73123#(<= ULTIMATE.start_main_~x~4 318), 73122#(<= ULTIMATE.start_main_~x~4 316), 73125#(<= ULTIMATE.start_main_~x~4 322), 73124#(<= ULTIMATE.start_main_~x~4 320), 73127#(<= ULTIMATE.start_main_~x~4 326), 73126#(<= ULTIMATE.start_main_~x~4 324), 73129#(<= ULTIMATE.start_main_~x~4 330), 73128#(<= ULTIMATE.start_main_~x~4 328), 73131#(<= ULTIMATE.start_main_~x~4 334), 73130#(<= ULTIMATE.start_main_~x~4 332), 73133#(<= ULTIMATE.start_main_~x~4 338), 73132#(<= ULTIMATE.start_main_~x~4 336), 73135#(<= ULTIMATE.start_main_~x~4 342), 73134#(<= ULTIMATE.start_main_~x~4 340)] [2018-07-23 13:42:38,859 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 13:42:38,859 INFO L450 AbstractCegarLoop]: Interpolant automaton has 169 states [2018-07-23 13:42:38,860 INFO L132 InterpolantAutomaton]: Constructing interpolant automaton starting with 169 interpolants. [2018-07-23 13:42:38,861 INFO L133 InterpolantAutomaton]: CoverageRelationStatistics Valid=14196, Invalid=14196, Unknown=0, NotChecked=0, Total=28392 [2018-07-23 13:42:38,861 INFO L87 Difference]: Start difference. First operand 170 states and 170 transitions. Second operand 169 states. [2018-07-23 13:42:39,393 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2018-07-23 13:42:39,393 INFO L93 Difference]: Finished difference Result 173 states and 173 transitions. [2018-07-23 13:42:39,393 INFO L142 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 169 states. [2018-07-23 13:42:39,393 INFO L78 Accepts]: Start accepts. Automaton has 169 states. Word has length 169 [2018-07-23 13:42:39,393 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2018-07-23 13:42:39,394 INFO L225 Difference]: With dead ends: 173 [2018-07-23 13:42:39,394 INFO L226 Difference]: Without dead ends: 171 [2018-07-23 13:42:39,395 INFO L575 BasicCegarLoop]: 0 DeclaredPredicates, 168 GetRequests, 1 SyntacticMatches, 0 SemanticMatches, 167 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 0 ImplicationChecksByTransitivity, 0.5s TimeCoverageRelationStatistics Valid=14196, Invalid=14196, Unknown=0, NotChecked=0, Total=28392 [2018-07-23 13:42:39,395 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 171 states. [2018-07-23 13:42:39,397 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 171 to 171. [2018-07-23 13:42:39,397 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 171 states. [2018-07-23 13:42:39,397 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 171 states to 171 states and 171 transitions. [2018-07-23 13:42:39,397 INFO L78 Accepts]: Start accepts. Automaton has 171 states and 171 transitions. Word has length 169 [2018-07-23 13:42:39,397 INFO L84 Accepts]: Finished accepts. word is rejected. [2018-07-23 13:42:39,397 INFO L471 AbstractCegarLoop]: Abstraction has 171 states and 171 transitions. [2018-07-23 13:42:39,397 INFO L472 AbstractCegarLoop]: Interpolant automaton has 169 states. [2018-07-23 13:42:39,398 INFO L276 IsEmpty]: Start isEmpty. Operand 171 states and 171 transitions. [2018-07-23 13:42:39,398 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 171 [2018-07-23 13:42:39,398 INFO L349 BasicCegarLoop]: Found error trace [2018-07-23 13:42:39,398 INFO L357 BasicCegarLoop]: trace histogram [167, 1, 1, 1] [2018-07-23 13:42:39,398 INFO L414 AbstractCegarLoop]: === Iteration 168 === [ULTIMATE.startErr0AssertViolationASSERT]=== [2018-07-23 13:42:39,398 INFO L82 PathProgramCache]: Analyzing trace with hash -516789624, now seen corresponding path program 167 times [2018-07-23 13:42:39,398 INFO L69 tionRefinementEngine]: Using refinement strategy FixedRefinementStrategy [2018-07-23 13:42:39,416 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-07-23 13:42:40,003 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 13:42:40,003 INFO L309 seRefinementStrategy]: Constructing automaton from 0 perfect and 1 imperfect interpolant sequences. [2018-07-23 13:42:40,003 INFO L324 seRefinementStrategy]: Number of different interpolants: perfect sequences [] imperfect sequences [169] total 169 [2018-07-23 13:42:40,003 INFO L142 lantAutomatonBuilder]: Constructing canonical interpolant automaton, with selfloop in false state [2018-07-23 13:42:40,004 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2018-07-23 13:42:40,004 INFO L185 omatonBuilderFactory]: Interpolants [73985#(<= ULTIMATE.start_main_~x~4 328), 73984#(<= ULTIMATE.start_main_~x~4 326), 73987#(<= ULTIMATE.start_main_~x~4 332), 73986#(<= ULTIMATE.start_main_~x~4 330), 73989#(<= ULTIMATE.start_main_~x~4 336), 73988#(<= ULTIMATE.start_main_~x~4 334), 73991#(<= ULTIMATE.start_main_~x~4 340), 73990#(<= ULTIMATE.start_main_~x~4 338), 73993#(<= ULTIMATE.start_main_~x~4 344), 73992#(<= ULTIMATE.start_main_~x~4 342), 73825#false, 73824#true, 73827#(<= ULTIMATE.start_main_~x~4 12), 73826#(<= ULTIMATE.start_main_~x~4 10), 73829#(<= ULTIMATE.start_main_~x~4 16), 73828#(<= ULTIMATE.start_main_~x~4 14), 73831#(<= ULTIMATE.start_main_~x~4 20), 73830#(<= ULTIMATE.start_main_~x~4 18), 73833#(<= ULTIMATE.start_main_~x~4 24), 73832#(<= ULTIMATE.start_main_~x~4 22), 73835#(<= ULTIMATE.start_main_~x~4 28), 73834#(<= ULTIMATE.start_main_~x~4 26), 73837#(<= ULTIMATE.start_main_~x~4 32), 73836#(<= ULTIMATE.start_main_~x~4 30), 73839#(<= ULTIMATE.start_main_~x~4 36), 73838#(<= ULTIMATE.start_main_~x~4 34), 73841#(<= ULTIMATE.start_main_~x~4 40), 73840#(<= ULTIMATE.start_main_~x~4 38), 73843#(<= ULTIMATE.start_main_~x~4 44), 73842#(<= ULTIMATE.start_main_~x~4 42), 73845#(<= ULTIMATE.start_main_~x~4 48), 73844#(<= ULTIMATE.start_main_~x~4 46), 73847#(<= ULTIMATE.start_main_~x~4 52), 73846#(<= ULTIMATE.start_main_~x~4 50), 73849#(<= ULTIMATE.start_main_~x~4 56), 73848#(<= ULTIMATE.start_main_~x~4 54), 73851#(<= ULTIMATE.start_main_~x~4 60), 73850#(<= ULTIMATE.start_main_~x~4 58), 73853#(<= ULTIMATE.start_main_~x~4 64), 73852#(<= ULTIMATE.start_main_~x~4 62), 73855#(<= ULTIMATE.start_main_~x~4 68), 73854#(<= ULTIMATE.start_main_~x~4 66), 73857#(<= ULTIMATE.start_main_~x~4 72), 73856#(<= ULTIMATE.start_main_~x~4 70), 73859#(<= ULTIMATE.start_main_~x~4 76), 73858#(<= ULTIMATE.start_main_~x~4 74), 73861#(<= ULTIMATE.start_main_~x~4 80), 73860#(<= ULTIMATE.start_main_~x~4 78), 73863#(<= ULTIMATE.start_main_~x~4 84), 73862#(<= ULTIMATE.start_main_~x~4 82), 73865#(<= ULTIMATE.start_main_~x~4 88), 73864#(<= ULTIMATE.start_main_~x~4 86), 73867#(<= ULTIMATE.start_main_~x~4 92), 73866#(<= ULTIMATE.start_main_~x~4 90), 73869#(<= ULTIMATE.start_main_~x~4 96), 73868#(<= ULTIMATE.start_main_~x~4 94), 73871#(<= ULTIMATE.start_main_~x~4 100), 73870#(<= ULTIMATE.start_main_~x~4 98), 73873#(<= ULTIMATE.start_main_~x~4 104), 73872#(<= ULTIMATE.start_main_~x~4 102), 73875#(<= ULTIMATE.start_main_~x~4 108), 73874#(<= ULTIMATE.start_main_~x~4 106), 73877#(<= ULTIMATE.start_main_~x~4 112), 73876#(<= ULTIMATE.start_main_~x~4 110), 73879#(<= ULTIMATE.start_main_~x~4 116), 73878#(<= ULTIMATE.start_main_~x~4 114), 73881#(<= ULTIMATE.start_main_~x~4 120), 73880#(<= ULTIMATE.start_main_~x~4 118), 73883#(<= ULTIMATE.start_main_~x~4 124), 73882#(<= ULTIMATE.start_main_~x~4 122), 73885#(<= ULTIMATE.start_main_~x~4 128), 73884#(<= ULTIMATE.start_main_~x~4 126), 73887#(<= ULTIMATE.start_main_~x~4 132), 73886#(<= ULTIMATE.start_main_~x~4 130), 73889#(<= ULTIMATE.start_main_~x~4 136), 73888#(<= ULTIMATE.start_main_~x~4 134), 73891#(<= ULTIMATE.start_main_~x~4 140), 73890#(<= ULTIMATE.start_main_~x~4 138), 73893#(<= ULTIMATE.start_main_~x~4 144), 73892#(<= ULTIMATE.start_main_~x~4 142), 73895#(<= ULTIMATE.start_main_~x~4 148), 73894#(<= ULTIMATE.start_main_~x~4 146), 73897#(<= ULTIMATE.start_main_~x~4 152), 73896#(<= ULTIMATE.start_main_~x~4 150), 73899#(<= ULTIMATE.start_main_~x~4 156), 73898#(<= ULTIMATE.start_main_~x~4 154), 73901#(<= ULTIMATE.start_main_~x~4 160), 73900#(<= ULTIMATE.start_main_~x~4 158), 73903#(<= ULTIMATE.start_main_~x~4 164), 73902#(<= ULTIMATE.start_main_~x~4 162), 73905#(<= ULTIMATE.start_main_~x~4 168), 73904#(<= ULTIMATE.start_main_~x~4 166), 73907#(<= ULTIMATE.start_main_~x~4 172), 73906#(<= ULTIMATE.start_main_~x~4 170), 73909#(<= ULTIMATE.start_main_~x~4 176), 73908#(<= ULTIMATE.start_main_~x~4 174), 73911#(<= ULTIMATE.start_main_~x~4 180), 73910#(<= ULTIMATE.start_main_~x~4 178), 73913#(<= ULTIMATE.start_main_~x~4 184), 73912#(<= ULTIMATE.start_main_~x~4 182), 73915#(<= ULTIMATE.start_main_~x~4 188), 73914#(<= ULTIMATE.start_main_~x~4 186), 73917#(<= ULTIMATE.start_main_~x~4 192), 73916#(<= ULTIMATE.start_main_~x~4 190), 73919#(<= ULTIMATE.start_main_~x~4 196), 73918#(<= ULTIMATE.start_main_~x~4 194), 73921#(<= ULTIMATE.start_main_~x~4 200), 73920#(<= ULTIMATE.start_main_~x~4 198), 73923#(<= ULTIMATE.start_main_~x~4 204), 73922#(<= ULTIMATE.start_main_~x~4 202), 73925#(<= ULTIMATE.start_main_~x~4 208), 73924#(<= ULTIMATE.start_main_~x~4 206), 73927#(<= ULTIMATE.start_main_~x~4 212), 73926#(<= ULTIMATE.start_main_~x~4 210), 73929#(<= ULTIMATE.start_main_~x~4 216), 73928#(<= ULTIMATE.start_main_~x~4 214), 73931#(<= ULTIMATE.start_main_~x~4 220), 73930#(<= ULTIMATE.start_main_~x~4 218), 73933#(<= ULTIMATE.start_main_~x~4 224), 73932#(<= ULTIMATE.start_main_~x~4 222), 73935#(<= ULTIMATE.start_main_~x~4 228), 73934#(<= ULTIMATE.start_main_~x~4 226), 73937#(<= ULTIMATE.start_main_~x~4 232), 73936#(<= ULTIMATE.start_main_~x~4 230), 73939#(<= ULTIMATE.start_main_~x~4 236), 73938#(<= ULTIMATE.start_main_~x~4 234), 73941#(<= ULTIMATE.start_main_~x~4 240), 73940#(<= ULTIMATE.start_main_~x~4 238), 73943#(<= ULTIMATE.start_main_~x~4 244), 73942#(<= ULTIMATE.start_main_~x~4 242), 73945#(<= ULTIMATE.start_main_~x~4 248), 73944#(<= ULTIMATE.start_main_~x~4 246), 73947#(<= ULTIMATE.start_main_~x~4 252), 73946#(<= ULTIMATE.start_main_~x~4 250), 73949#(<= ULTIMATE.start_main_~x~4 256), 73948#(<= ULTIMATE.start_main_~x~4 254), 73951#(<= ULTIMATE.start_main_~x~4 260), 73950#(<= ULTIMATE.start_main_~x~4 258), 73953#(<= ULTIMATE.start_main_~x~4 264), 73952#(<= ULTIMATE.start_main_~x~4 262), 73955#(<= ULTIMATE.start_main_~x~4 268), 73954#(<= ULTIMATE.start_main_~x~4 266), 73957#(<= ULTIMATE.start_main_~x~4 272), 73956#(<= ULTIMATE.start_main_~x~4 270), 73959#(<= ULTIMATE.start_main_~x~4 276), 73958#(<= ULTIMATE.start_main_~x~4 274), 73961#(<= ULTIMATE.start_main_~x~4 280), 73960#(<= ULTIMATE.start_main_~x~4 278), 73963#(<= ULTIMATE.start_main_~x~4 284), 73962#(<= ULTIMATE.start_main_~x~4 282), 73965#(<= ULTIMATE.start_main_~x~4 288), 73964#(<= ULTIMATE.start_main_~x~4 286), 73967#(<= ULTIMATE.start_main_~x~4 292), 73966#(<= ULTIMATE.start_main_~x~4 290), 73969#(<= ULTIMATE.start_main_~x~4 296), 73968#(<= ULTIMATE.start_main_~x~4 294), 73971#(<= ULTIMATE.start_main_~x~4 300), 73970#(<= ULTIMATE.start_main_~x~4 298), 73973#(<= ULTIMATE.start_main_~x~4 304), 73972#(<= ULTIMATE.start_main_~x~4 302), 73975#(<= ULTIMATE.start_main_~x~4 308), 73974#(<= ULTIMATE.start_main_~x~4 306), 73977#(<= ULTIMATE.start_main_~x~4 312), 73976#(<= ULTIMATE.start_main_~x~4 310), 73979#(<= ULTIMATE.start_main_~x~4 316), 73978#(<= ULTIMATE.start_main_~x~4 314), 73981#(<= ULTIMATE.start_main_~x~4 320), 73980#(<= ULTIMATE.start_main_~x~4 318), 73983#(<= ULTIMATE.start_main_~x~4 324), 73982#(<= ULTIMATE.start_main_~x~4 322)] [2018-07-23 13:42:40,005 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 13:42:40,005 INFO L450 AbstractCegarLoop]: Interpolant automaton has 170 states [2018-07-23 13:42:40,007 INFO L132 InterpolantAutomaton]: Constructing interpolant automaton starting with 170 interpolants. [2018-07-23 13:42:40,008 INFO L133 InterpolantAutomaton]: CoverageRelationStatistics Valid=14365, Invalid=14365, Unknown=0, NotChecked=0, Total=28730 [2018-07-23 13:42:40,008 INFO L87 Difference]: Start difference. First operand 171 states and 171 transitions. Second operand 170 states. [2018-07-23 13:42:40,447 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2018-07-23 13:42:40,447 INFO L93 Difference]: Finished difference Result 174 states and 174 transitions. [2018-07-23 13:42:40,447 INFO L142 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 170 states. [2018-07-23 13:42:40,447 INFO L78 Accepts]: Start accepts. Automaton has 170 states. Word has length 170 [2018-07-23 13:42:40,447 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2018-07-23 13:42:40,448 INFO L225 Difference]: With dead ends: 174 [2018-07-23 13:42:40,448 INFO L226 Difference]: Without dead ends: 172 [2018-07-23 13:42:40,450 INFO L575 BasicCegarLoop]: 0 DeclaredPredicates, 169 GetRequests, 1 SyntacticMatches, 0 SemanticMatches, 168 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 0 ImplicationChecksByTransitivity, 0.5s TimeCoverageRelationStatistics Valid=14365, Invalid=14365, Unknown=0, NotChecked=0, Total=28730 [2018-07-23 13:42:40,450 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 172 states. [2018-07-23 13:42:40,451 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 172 to 172. [2018-07-23 13:42:40,451 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 172 states. [2018-07-23 13:42:40,452 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 172 states to 172 states and 172 transitions. [2018-07-23 13:42:40,452 INFO L78 Accepts]: Start accepts. Automaton has 172 states and 172 transitions. Word has length 170 [2018-07-23 13:42:40,452 INFO L84 Accepts]: Finished accepts. word is rejected. [2018-07-23 13:42:40,452 INFO L471 AbstractCegarLoop]: Abstraction has 172 states and 172 transitions. [2018-07-23 13:42:40,452 INFO L472 AbstractCegarLoop]: Interpolant automaton has 170 states. [2018-07-23 13:42:40,452 INFO L276 IsEmpty]: Start isEmpty. Operand 172 states and 172 transitions. [2018-07-23 13:42:40,452 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 172 [2018-07-23 13:42:40,452 INFO L349 BasicCegarLoop]: Found error trace [2018-07-23 13:42:40,453 INFO L357 BasicCegarLoop]: trace histogram [168, 1, 1, 1] [2018-07-23 13:42:40,453 INFO L414 AbstractCegarLoop]: === Iteration 169 === [ULTIMATE.startErr0AssertViolationASSERT]=== [2018-07-23 13:42:40,453 INFO L82 PathProgramCache]: Analyzing trace with hash 1159388865, now seen corresponding path program 168 times [2018-07-23 13:42:40,453 INFO L69 tionRefinementEngine]: Using refinement strategy FixedRefinementStrategy [2018-07-23 13:42:40,465 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-07-23 13:42:41,069 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 13:42:41,069 INFO L309 seRefinementStrategy]: Constructing automaton from 0 perfect and 1 imperfect interpolant sequences. [2018-07-23 13:42:41,069 INFO L324 seRefinementStrategy]: Number of different interpolants: perfect sequences [] imperfect sequences [170] total 170 [2018-07-23 13:42:41,070 INFO L142 lantAutomatonBuilder]: Constructing canonical interpolant automaton, with selfloop in false state [2018-07-23 13:42:41,070 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 13:42:41,070 INFO L185 omatonBuilderFactory]: Interpolants [74753#(<= ULTIMATE.start_main_~x~4 140), 74752#(<= ULTIMATE.start_main_~x~4 138), 74755#(<= ULTIMATE.start_main_~x~4 144), 74754#(<= ULTIMATE.start_main_~x~4 142), 74757#(<= ULTIMATE.start_main_~x~4 148), 74756#(<= ULTIMATE.start_main_~x~4 146), 74759#(<= ULTIMATE.start_main_~x~4 152), 74758#(<= ULTIMATE.start_main_~x~4 150), 74761#(<= ULTIMATE.start_main_~x~4 156), 74760#(<= ULTIMATE.start_main_~x~4 154), 74763#(<= ULTIMATE.start_main_~x~4 160), 74762#(<= ULTIMATE.start_main_~x~4 158), 74765#(<= ULTIMATE.start_main_~x~4 164), 74764#(<= ULTIMATE.start_main_~x~4 162), 74767#(<= ULTIMATE.start_main_~x~4 168), 74766#(<= ULTIMATE.start_main_~x~4 166), 74769#(<= ULTIMATE.start_main_~x~4 172), 74768#(<= ULTIMATE.start_main_~x~4 170), 74771#(<= ULTIMATE.start_main_~x~4 176), 74770#(<= ULTIMATE.start_main_~x~4 174), 74773#(<= ULTIMATE.start_main_~x~4 180), 74772#(<= ULTIMATE.start_main_~x~4 178), 74775#(<= ULTIMATE.start_main_~x~4 184), 74774#(<= ULTIMATE.start_main_~x~4 182), 74777#(<= ULTIMATE.start_main_~x~4 188), 74776#(<= ULTIMATE.start_main_~x~4 186), 74779#(<= ULTIMATE.start_main_~x~4 192), 74778#(<= ULTIMATE.start_main_~x~4 190), 74781#(<= ULTIMATE.start_main_~x~4 196), 74780#(<= ULTIMATE.start_main_~x~4 194), 74783#(<= ULTIMATE.start_main_~x~4 200), 74782#(<= ULTIMATE.start_main_~x~4 198), 74785#(<= ULTIMATE.start_main_~x~4 204), 74784#(<= ULTIMATE.start_main_~x~4 202), 74787#(<= ULTIMATE.start_main_~x~4 208), 74786#(<= ULTIMATE.start_main_~x~4 206), 74789#(<= ULTIMATE.start_main_~x~4 212), 74788#(<= ULTIMATE.start_main_~x~4 210), 74791#(<= ULTIMATE.start_main_~x~4 216), 74790#(<= ULTIMATE.start_main_~x~4 214), 74793#(<= ULTIMATE.start_main_~x~4 220), 74792#(<= ULTIMATE.start_main_~x~4 218), 74795#(<= ULTIMATE.start_main_~x~4 224), 74794#(<= ULTIMATE.start_main_~x~4 222), 74797#(<= ULTIMATE.start_main_~x~4 228), 74796#(<= ULTIMATE.start_main_~x~4 226), 74799#(<= ULTIMATE.start_main_~x~4 232), 74798#(<= ULTIMATE.start_main_~x~4 230), 74801#(<= ULTIMATE.start_main_~x~4 236), 74800#(<= ULTIMATE.start_main_~x~4 234), 74803#(<= ULTIMATE.start_main_~x~4 240), 74802#(<= ULTIMATE.start_main_~x~4 238), 74805#(<= ULTIMATE.start_main_~x~4 244), 74804#(<= ULTIMATE.start_main_~x~4 242), 74807#(<= ULTIMATE.start_main_~x~4 248), 74806#(<= ULTIMATE.start_main_~x~4 246), 74809#(<= ULTIMATE.start_main_~x~4 252), 74808#(<= ULTIMATE.start_main_~x~4 250), 74811#(<= ULTIMATE.start_main_~x~4 256), 74810#(<= ULTIMATE.start_main_~x~4 254), 74813#(<= ULTIMATE.start_main_~x~4 260), 74812#(<= ULTIMATE.start_main_~x~4 258), 74815#(<= ULTIMATE.start_main_~x~4 264), 74814#(<= ULTIMATE.start_main_~x~4 262), 74817#(<= ULTIMATE.start_main_~x~4 268), 74816#(<= ULTIMATE.start_main_~x~4 266), 74819#(<= ULTIMATE.start_main_~x~4 272), 74818#(<= ULTIMATE.start_main_~x~4 270), 74821#(<= ULTIMATE.start_main_~x~4 276), 74820#(<= ULTIMATE.start_main_~x~4 274), 74823#(<= ULTIMATE.start_main_~x~4 280), 74822#(<= ULTIMATE.start_main_~x~4 278), 74825#(<= ULTIMATE.start_main_~x~4 284), 74824#(<= ULTIMATE.start_main_~x~4 282), 74827#(<= ULTIMATE.start_main_~x~4 288), 74826#(<= ULTIMATE.start_main_~x~4 286), 74829#(<= ULTIMATE.start_main_~x~4 292), 74828#(<= ULTIMATE.start_main_~x~4 290), 74831#(<= ULTIMATE.start_main_~x~4 296), 74830#(<= ULTIMATE.start_main_~x~4 294), 74833#(<= ULTIMATE.start_main_~x~4 300), 74832#(<= ULTIMATE.start_main_~x~4 298), 74835#(<= ULTIMATE.start_main_~x~4 304), 74834#(<= ULTIMATE.start_main_~x~4 302), 74837#(<= ULTIMATE.start_main_~x~4 308), 74836#(<= ULTIMATE.start_main_~x~4 306), 74839#(<= ULTIMATE.start_main_~x~4 312), 74838#(<= ULTIMATE.start_main_~x~4 310), 74841#(<= ULTIMATE.start_main_~x~4 316), 74840#(<= ULTIMATE.start_main_~x~4 314), 74843#(<= ULTIMATE.start_main_~x~4 320), 74842#(<= ULTIMATE.start_main_~x~4 318), 74845#(<= ULTIMATE.start_main_~x~4 324), 74844#(<= ULTIMATE.start_main_~x~4 322), 74847#(<= ULTIMATE.start_main_~x~4 328), 74846#(<= ULTIMATE.start_main_~x~4 326), 74849#(<= ULTIMATE.start_main_~x~4 332), 74848#(<= ULTIMATE.start_main_~x~4 330), 74851#(<= ULTIMATE.start_main_~x~4 336), 74850#(<= ULTIMATE.start_main_~x~4 334), 74853#(<= ULTIMATE.start_main_~x~4 340), 74852#(<= ULTIMATE.start_main_~x~4 338), 74855#(<= ULTIMATE.start_main_~x~4 344), 74854#(<= ULTIMATE.start_main_~x~4 342), 74856#(<= ULTIMATE.start_main_~x~4 346), 74687#false, 74686#true, 74689#(<= ULTIMATE.start_main_~x~4 12), 74688#(<= ULTIMATE.start_main_~x~4 10), 74691#(<= ULTIMATE.start_main_~x~4 16), 74690#(<= ULTIMATE.start_main_~x~4 14), 74693#(<= ULTIMATE.start_main_~x~4 20), 74692#(<= ULTIMATE.start_main_~x~4 18), 74695#(<= ULTIMATE.start_main_~x~4 24), 74694#(<= ULTIMATE.start_main_~x~4 22), 74697#(<= ULTIMATE.start_main_~x~4 28), 74696#(<= ULTIMATE.start_main_~x~4 26), 74699#(<= ULTIMATE.start_main_~x~4 32), 74698#(<= ULTIMATE.start_main_~x~4 30), 74701#(<= ULTIMATE.start_main_~x~4 36), 74700#(<= ULTIMATE.start_main_~x~4 34), 74703#(<= ULTIMATE.start_main_~x~4 40), 74702#(<= ULTIMATE.start_main_~x~4 38), 74705#(<= ULTIMATE.start_main_~x~4 44), 74704#(<= ULTIMATE.start_main_~x~4 42), 74707#(<= ULTIMATE.start_main_~x~4 48), 74706#(<= ULTIMATE.start_main_~x~4 46), 74709#(<= ULTIMATE.start_main_~x~4 52), 74708#(<= ULTIMATE.start_main_~x~4 50), 74711#(<= ULTIMATE.start_main_~x~4 56), 74710#(<= ULTIMATE.start_main_~x~4 54), 74713#(<= ULTIMATE.start_main_~x~4 60), 74712#(<= ULTIMATE.start_main_~x~4 58), 74715#(<= ULTIMATE.start_main_~x~4 64), 74714#(<= ULTIMATE.start_main_~x~4 62), 74717#(<= ULTIMATE.start_main_~x~4 68), 74716#(<= ULTIMATE.start_main_~x~4 66), 74719#(<= ULTIMATE.start_main_~x~4 72), 74718#(<= ULTIMATE.start_main_~x~4 70), 74721#(<= ULTIMATE.start_main_~x~4 76), 74720#(<= ULTIMATE.start_main_~x~4 74), 74723#(<= ULTIMATE.start_main_~x~4 80), 74722#(<= ULTIMATE.start_main_~x~4 78), 74725#(<= ULTIMATE.start_main_~x~4 84), 74724#(<= ULTIMATE.start_main_~x~4 82), 74727#(<= ULTIMATE.start_main_~x~4 88), 74726#(<= ULTIMATE.start_main_~x~4 86), 74729#(<= ULTIMATE.start_main_~x~4 92), 74728#(<= ULTIMATE.start_main_~x~4 90), 74731#(<= ULTIMATE.start_main_~x~4 96), 74730#(<= ULTIMATE.start_main_~x~4 94), 74733#(<= ULTIMATE.start_main_~x~4 100), 74732#(<= ULTIMATE.start_main_~x~4 98), 74735#(<= ULTIMATE.start_main_~x~4 104), 74734#(<= ULTIMATE.start_main_~x~4 102), 74737#(<= ULTIMATE.start_main_~x~4 108), 74736#(<= ULTIMATE.start_main_~x~4 106), 74739#(<= ULTIMATE.start_main_~x~4 112), 74738#(<= ULTIMATE.start_main_~x~4 110), 74741#(<= ULTIMATE.start_main_~x~4 116), 74740#(<= ULTIMATE.start_main_~x~4 114), 74743#(<= ULTIMATE.start_main_~x~4 120), 74742#(<= ULTIMATE.start_main_~x~4 118), 74745#(<= ULTIMATE.start_main_~x~4 124), 74744#(<= ULTIMATE.start_main_~x~4 122), 74747#(<= ULTIMATE.start_main_~x~4 128), 74746#(<= ULTIMATE.start_main_~x~4 126), 74749#(<= ULTIMATE.start_main_~x~4 132), 74748#(<= ULTIMATE.start_main_~x~4 130), 74751#(<= ULTIMATE.start_main_~x~4 136), 74750#(<= ULTIMATE.start_main_~x~4 134)] [2018-07-23 13:42:41,071 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 13:42:41,071 INFO L450 AbstractCegarLoop]: Interpolant automaton has 171 states [2018-07-23 13:42:41,073 INFO L132 InterpolantAutomaton]: Constructing interpolant automaton starting with 171 interpolants. [2018-07-23 13:42:41,074 INFO L133 InterpolantAutomaton]: CoverageRelationStatistics Valid=14535, Invalid=14535, Unknown=0, NotChecked=0, Total=29070 [2018-07-23 13:42:41,074 INFO L87 Difference]: Start difference. First operand 172 states and 172 transitions. Second operand 171 states. [2018-07-23 13:42:41,317 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2018-07-23 13:42:41,317 INFO L93 Difference]: Finished difference Result 175 states and 175 transitions. [2018-07-23 13:42:41,317 INFO L142 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 171 states. [2018-07-23 13:42:41,317 INFO L78 Accepts]: Start accepts. Automaton has 171 states. Word has length 171 [2018-07-23 13:42:41,317 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2018-07-23 13:42:41,317 INFO L225 Difference]: With dead ends: 175 [2018-07-23 13:42:41,318 INFO L226 Difference]: Without dead ends: 173 [2018-07-23 13:42:41,319 INFO L575 BasicCegarLoop]: 0 DeclaredPredicates, 170 GetRequests, 1 SyntacticMatches, 0 SemanticMatches, 169 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 0 ImplicationChecksByTransitivity, 0.5s TimeCoverageRelationStatistics Valid=14535, Invalid=14535, Unknown=0, NotChecked=0, Total=29070 [2018-07-23 13:42:41,319 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 173 states. [2018-07-23 13:42:41,321 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 173 to 173. [2018-07-23 13:42:41,321 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 173 states. [2018-07-23 13:42:41,321 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 173 states to 173 states and 173 transitions. [2018-07-23 13:42:41,321 INFO L78 Accepts]: Start accepts. Automaton has 173 states and 173 transitions. Word has length 171 [2018-07-23 13:42:41,322 INFO L84 Accepts]: Finished accepts. word is rejected. [2018-07-23 13:42:41,322 INFO L471 AbstractCegarLoop]: Abstraction has 173 states and 173 transitions. [2018-07-23 13:42:41,322 INFO L472 AbstractCegarLoop]: Interpolant automaton has 171 states. [2018-07-23 13:42:41,322 INFO L276 IsEmpty]: Start isEmpty. Operand 173 states and 173 transitions. [2018-07-23 13:42:41,322 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 173 [2018-07-23 13:42:41,322 INFO L349 BasicCegarLoop]: Found error trace [2018-07-23 13:42:41,322 INFO L357 BasicCegarLoop]: trace histogram [169, 1, 1, 1] [2018-07-23 13:42:41,322 INFO L414 AbstractCegarLoop]: === Iteration 170 === [ULTIMATE.startErr0AssertViolationASSERT]=== [2018-07-23 13:42:41,322 INFO L82 PathProgramCache]: Analyzing trace with hash 1581314472, now seen corresponding path program 169 times [2018-07-23 13:42:41,323 INFO L69 tionRefinementEngine]: Using refinement strategy FixedRefinementStrategy [2018-07-23 13:42:41,335 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-07-23 13:42:41,938 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 13:42:41,938 INFO L309 seRefinementStrategy]: Constructing automaton from 0 perfect and 1 imperfect interpolant sequences. [2018-07-23 13:42:41,938 INFO L324 seRefinementStrategy]: Number of different interpolants: perfect sequences [] imperfect sequences [171] total 171 [2018-07-23 13:42:41,939 INFO L142 lantAutomatonBuilder]: Constructing canonical interpolant automaton, with selfloop in false state [2018-07-23 13:42:41,939 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2018-07-23 13:42:41,939 INFO L185 omatonBuilderFactory]: Interpolants [75553#true, 75555#(<= ULTIMATE.start_main_~x~4 10), 75554#false, 75557#(<= ULTIMATE.start_main_~x~4 14), 75556#(<= ULTIMATE.start_main_~x~4 12), 75559#(<= ULTIMATE.start_main_~x~4 18), 75558#(<= ULTIMATE.start_main_~x~4 16), 75561#(<= ULTIMATE.start_main_~x~4 22), 75560#(<= ULTIMATE.start_main_~x~4 20), 75563#(<= ULTIMATE.start_main_~x~4 26), 75562#(<= ULTIMATE.start_main_~x~4 24), 75565#(<= ULTIMATE.start_main_~x~4 30), 75564#(<= ULTIMATE.start_main_~x~4 28), 75567#(<= ULTIMATE.start_main_~x~4 34), 75566#(<= ULTIMATE.start_main_~x~4 32), 75569#(<= ULTIMATE.start_main_~x~4 38), 75568#(<= ULTIMATE.start_main_~x~4 36), 75571#(<= ULTIMATE.start_main_~x~4 42), 75570#(<= ULTIMATE.start_main_~x~4 40), 75573#(<= ULTIMATE.start_main_~x~4 46), 75572#(<= ULTIMATE.start_main_~x~4 44), 75575#(<= ULTIMATE.start_main_~x~4 50), 75574#(<= ULTIMATE.start_main_~x~4 48), 75577#(<= ULTIMATE.start_main_~x~4 54), 75576#(<= ULTIMATE.start_main_~x~4 52), 75579#(<= ULTIMATE.start_main_~x~4 58), 75578#(<= ULTIMATE.start_main_~x~4 56), 75581#(<= ULTIMATE.start_main_~x~4 62), 75580#(<= ULTIMATE.start_main_~x~4 60), 75583#(<= ULTIMATE.start_main_~x~4 66), 75582#(<= ULTIMATE.start_main_~x~4 64), 75585#(<= ULTIMATE.start_main_~x~4 70), 75584#(<= ULTIMATE.start_main_~x~4 68), 75587#(<= ULTIMATE.start_main_~x~4 74), 75586#(<= ULTIMATE.start_main_~x~4 72), 75589#(<= ULTIMATE.start_main_~x~4 78), 75588#(<= ULTIMATE.start_main_~x~4 76), 75591#(<= ULTIMATE.start_main_~x~4 82), 75590#(<= ULTIMATE.start_main_~x~4 80), 75593#(<= ULTIMATE.start_main_~x~4 86), 75592#(<= ULTIMATE.start_main_~x~4 84), 75595#(<= ULTIMATE.start_main_~x~4 90), 75594#(<= ULTIMATE.start_main_~x~4 88), 75597#(<= ULTIMATE.start_main_~x~4 94), 75596#(<= ULTIMATE.start_main_~x~4 92), 75599#(<= ULTIMATE.start_main_~x~4 98), 75598#(<= ULTIMATE.start_main_~x~4 96), 75601#(<= ULTIMATE.start_main_~x~4 102), 75600#(<= ULTIMATE.start_main_~x~4 100), 75603#(<= ULTIMATE.start_main_~x~4 106), 75602#(<= ULTIMATE.start_main_~x~4 104), 75605#(<= ULTIMATE.start_main_~x~4 110), 75604#(<= ULTIMATE.start_main_~x~4 108), 75607#(<= ULTIMATE.start_main_~x~4 114), 75606#(<= ULTIMATE.start_main_~x~4 112), 75609#(<= ULTIMATE.start_main_~x~4 118), 75608#(<= ULTIMATE.start_main_~x~4 116), 75611#(<= ULTIMATE.start_main_~x~4 122), 75610#(<= ULTIMATE.start_main_~x~4 120), 75613#(<= ULTIMATE.start_main_~x~4 126), 75612#(<= ULTIMATE.start_main_~x~4 124), 75615#(<= ULTIMATE.start_main_~x~4 130), 75614#(<= ULTIMATE.start_main_~x~4 128), 75617#(<= ULTIMATE.start_main_~x~4 134), 75616#(<= ULTIMATE.start_main_~x~4 132), 75619#(<= ULTIMATE.start_main_~x~4 138), 75618#(<= ULTIMATE.start_main_~x~4 136), 75621#(<= ULTIMATE.start_main_~x~4 142), 75620#(<= ULTIMATE.start_main_~x~4 140), 75623#(<= ULTIMATE.start_main_~x~4 146), 75622#(<= ULTIMATE.start_main_~x~4 144), 75625#(<= ULTIMATE.start_main_~x~4 150), 75624#(<= ULTIMATE.start_main_~x~4 148), 75627#(<= ULTIMATE.start_main_~x~4 154), 75626#(<= ULTIMATE.start_main_~x~4 152), 75629#(<= ULTIMATE.start_main_~x~4 158), 75628#(<= ULTIMATE.start_main_~x~4 156), 75631#(<= ULTIMATE.start_main_~x~4 162), 75630#(<= ULTIMATE.start_main_~x~4 160), 75633#(<= ULTIMATE.start_main_~x~4 166), 75632#(<= ULTIMATE.start_main_~x~4 164), 75635#(<= ULTIMATE.start_main_~x~4 170), 75634#(<= ULTIMATE.start_main_~x~4 168), 75637#(<= ULTIMATE.start_main_~x~4 174), 75636#(<= ULTIMATE.start_main_~x~4 172), 75639#(<= ULTIMATE.start_main_~x~4 178), 75638#(<= ULTIMATE.start_main_~x~4 176), 75641#(<= ULTIMATE.start_main_~x~4 182), 75640#(<= ULTIMATE.start_main_~x~4 180), 75643#(<= ULTIMATE.start_main_~x~4 186), 75642#(<= ULTIMATE.start_main_~x~4 184), 75645#(<= ULTIMATE.start_main_~x~4 190), 75644#(<= ULTIMATE.start_main_~x~4 188), 75647#(<= ULTIMATE.start_main_~x~4 194), 75646#(<= ULTIMATE.start_main_~x~4 192), 75649#(<= ULTIMATE.start_main_~x~4 198), 75648#(<= ULTIMATE.start_main_~x~4 196), 75651#(<= ULTIMATE.start_main_~x~4 202), 75650#(<= ULTIMATE.start_main_~x~4 200), 75653#(<= ULTIMATE.start_main_~x~4 206), 75652#(<= ULTIMATE.start_main_~x~4 204), 75655#(<= ULTIMATE.start_main_~x~4 210), 75654#(<= ULTIMATE.start_main_~x~4 208), 75657#(<= ULTIMATE.start_main_~x~4 214), 75656#(<= ULTIMATE.start_main_~x~4 212), 75659#(<= ULTIMATE.start_main_~x~4 218), 75658#(<= ULTIMATE.start_main_~x~4 216), 75661#(<= ULTIMATE.start_main_~x~4 222), 75660#(<= ULTIMATE.start_main_~x~4 220), 75663#(<= ULTIMATE.start_main_~x~4 226), 75662#(<= ULTIMATE.start_main_~x~4 224), 75665#(<= ULTIMATE.start_main_~x~4 230), 75664#(<= ULTIMATE.start_main_~x~4 228), 75667#(<= ULTIMATE.start_main_~x~4 234), 75666#(<= ULTIMATE.start_main_~x~4 232), 75669#(<= ULTIMATE.start_main_~x~4 238), 75668#(<= ULTIMATE.start_main_~x~4 236), 75671#(<= ULTIMATE.start_main_~x~4 242), 75670#(<= ULTIMATE.start_main_~x~4 240), 75673#(<= ULTIMATE.start_main_~x~4 246), 75672#(<= ULTIMATE.start_main_~x~4 244), 75675#(<= ULTIMATE.start_main_~x~4 250), 75674#(<= ULTIMATE.start_main_~x~4 248), 75677#(<= ULTIMATE.start_main_~x~4 254), 75676#(<= ULTIMATE.start_main_~x~4 252), 75679#(<= ULTIMATE.start_main_~x~4 258), 75678#(<= ULTIMATE.start_main_~x~4 256), 75681#(<= ULTIMATE.start_main_~x~4 262), 75680#(<= ULTIMATE.start_main_~x~4 260), 75683#(<= ULTIMATE.start_main_~x~4 266), 75682#(<= ULTIMATE.start_main_~x~4 264), 75685#(<= ULTIMATE.start_main_~x~4 270), 75684#(<= ULTIMATE.start_main_~x~4 268), 75687#(<= ULTIMATE.start_main_~x~4 274), 75686#(<= ULTIMATE.start_main_~x~4 272), 75689#(<= ULTIMATE.start_main_~x~4 278), 75688#(<= ULTIMATE.start_main_~x~4 276), 75691#(<= ULTIMATE.start_main_~x~4 282), 75690#(<= ULTIMATE.start_main_~x~4 280), 75693#(<= ULTIMATE.start_main_~x~4 286), 75692#(<= ULTIMATE.start_main_~x~4 284), 75695#(<= ULTIMATE.start_main_~x~4 290), 75694#(<= ULTIMATE.start_main_~x~4 288), 75697#(<= ULTIMATE.start_main_~x~4 294), 75696#(<= ULTIMATE.start_main_~x~4 292), 75699#(<= ULTIMATE.start_main_~x~4 298), 75698#(<= ULTIMATE.start_main_~x~4 296), 75701#(<= ULTIMATE.start_main_~x~4 302), 75700#(<= ULTIMATE.start_main_~x~4 300), 75703#(<= ULTIMATE.start_main_~x~4 306), 75702#(<= ULTIMATE.start_main_~x~4 304), 75705#(<= ULTIMATE.start_main_~x~4 310), 75704#(<= ULTIMATE.start_main_~x~4 308), 75707#(<= ULTIMATE.start_main_~x~4 314), 75706#(<= ULTIMATE.start_main_~x~4 312), 75709#(<= ULTIMATE.start_main_~x~4 318), 75708#(<= ULTIMATE.start_main_~x~4 316), 75711#(<= ULTIMATE.start_main_~x~4 322), 75710#(<= ULTIMATE.start_main_~x~4 320), 75713#(<= ULTIMATE.start_main_~x~4 326), 75712#(<= ULTIMATE.start_main_~x~4 324), 75715#(<= ULTIMATE.start_main_~x~4 330), 75714#(<= ULTIMATE.start_main_~x~4 328), 75717#(<= ULTIMATE.start_main_~x~4 334), 75716#(<= ULTIMATE.start_main_~x~4 332), 75719#(<= ULTIMATE.start_main_~x~4 338), 75718#(<= ULTIMATE.start_main_~x~4 336), 75721#(<= ULTIMATE.start_main_~x~4 342), 75720#(<= ULTIMATE.start_main_~x~4 340), 75723#(<= ULTIMATE.start_main_~x~4 346), 75722#(<= ULTIMATE.start_main_~x~4 344), 75724#(<= ULTIMATE.start_main_~x~4 348)] [2018-07-23 13:42:41,940 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 13:42:41,940 INFO L450 AbstractCegarLoop]: Interpolant automaton has 172 states [2018-07-23 13:42:41,942 INFO L132 InterpolantAutomaton]: Constructing interpolant automaton starting with 172 interpolants. [2018-07-23 13:42:41,943 INFO L133 InterpolantAutomaton]: CoverageRelationStatistics Valid=14706, Invalid=14706, Unknown=0, NotChecked=0, Total=29412 [2018-07-23 13:42:41,943 INFO L87 Difference]: Start difference. First operand 173 states and 173 transitions. Second operand 172 states. [2018-07-23 13:42:42,528 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2018-07-23 13:42:42,529 INFO L93 Difference]: Finished difference Result 176 states and 176 transitions. [2018-07-23 13:42:42,529 INFO L142 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 172 states. [2018-07-23 13:42:42,529 INFO L78 Accepts]: Start accepts. Automaton has 172 states. Word has length 172 [2018-07-23 13:42:42,529 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2018-07-23 13:42:42,529 INFO L225 Difference]: With dead ends: 176 [2018-07-23 13:42:42,529 INFO L226 Difference]: Without dead ends: 174 [2018-07-23 13:42:42,531 INFO L575 BasicCegarLoop]: 0 DeclaredPredicates, 171 GetRequests, 1 SyntacticMatches, 0 SemanticMatches, 170 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 0 ImplicationChecksByTransitivity, 0.5s TimeCoverageRelationStatistics Valid=14706, Invalid=14706, Unknown=0, NotChecked=0, Total=29412 [2018-07-23 13:42:42,532 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 174 states. [2018-07-23 13:42:42,533 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 174 to 174. [2018-07-23 13:42:42,533 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 174 states. [2018-07-23 13:42:42,534 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 174 states to 174 states and 174 transitions. [2018-07-23 13:42:42,534 INFO L78 Accepts]: Start accepts. Automaton has 174 states and 174 transitions. Word has length 172 [2018-07-23 13:42:42,534 INFO L84 Accepts]: Finished accepts. word is rejected. [2018-07-23 13:42:42,534 INFO L471 AbstractCegarLoop]: Abstraction has 174 states and 174 transitions. [2018-07-23 13:42:42,534 INFO L472 AbstractCegarLoop]: Interpolant automaton has 172 states. [2018-07-23 13:42:42,534 INFO L276 IsEmpty]: Start isEmpty. Operand 174 states and 174 transitions. [2018-07-23 13:42:42,534 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 174 [2018-07-23 13:42:42,535 INFO L349 BasicCegarLoop]: Found error trace [2018-07-23 13:42:42,535 INFO L357 BasicCegarLoop]: trace histogram [170, 1, 1, 1] [2018-07-23 13:42:42,535 INFO L414 AbstractCegarLoop]: === Iteration 171 === [ULTIMATE.startErr0AssertViolationASSERT]=== [2018-07-23 13:42:42,535 INFO L82 PathProgramCache]: Analyzing trace with hash 1776106401, now seen corresponding path program 170 times [2018-07-23 13:42:42,535 INFO L69 tionRefinementEngine]: Using refinement strategy FixedRefinementStrategy [2018-07-23 13:42:42,549 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-07-23 13:42:43,165 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 13:42:43,166 INFO L309 seRefinementStrategy]: Constructing automaton from 0 perfect and 1 imperfect interpolant sequences. [2018-07-23 13:42:43,166 INFO L324 seRefinementStrategy]: Number of different interpolants: perfect sequences [] imperfect sequences [172] total 172 [2018-07-23 13:42:43,166 INFO L142 lantAutomatonBuilder]: Constructing canonical interpolant automaton, with selfloop in false state [2018-07-23 13:42:43,166 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2018-07-23 13:42:43,167 INFO L185 omatonBuilderFactory]: Interpolants [76545#(<= ULTIMATE.start_main_~x~4 246), 76544#(<= ULTIMATE.start_main_~x~4 244), 76547#(<= ULTIMATE.start_main_~x~4 250), 76546#(<= ULTIMATE.start_main_~x~4 248), 76549#(<= ULTIMATE.start_main_~x~4 254), 76548#(<= ULTIMATE.start_main_~x~4 252), 76551#(<= ULTIMATE.start_main_~x~4 258), 76550#(<= ULTIMATE.start_main_~x~4 256), 76553#(<= ULTIMATE.start_main_~x~4 262), 76552#(<= ULTIMATE.start_main_~x~4 260), 76555#(<= ULTIMATE.start_main_~x~4 266), 76554#(<= ULTIMATE.start_main_~x~4 264), 76557#(<= ULTIMATE.start_main_~x~4 270), 76556#(<= ULTIMATE.start_main_~x~4 268), 76559#(<= ULTIMATE.start_main_~x~4 274), 76558#(<= ULTIMATE.start_main_~x~4 272), 76561#(<= ULTIMATE.start_main_~x~4 278), 76560#(<= ULTIMATE.start_main_~x~4 276), 76563#(<= ULTIMATE.start_main_~x~4 282), 76562#(<= ULTIMATE.start_main_~x~4 280), 76565#(<= ULTIMATE.start_main_~x~4 286), 76564#(<= ULTIMATE.start_main_~x~4 284), 76567#(<= ULTIMATE.start_main_~x~4 290), 76566#(<= ULTIMATE.start_main_~x~4 288), 76569#(<= ULTIMATE.start_main_~x~4 294), 76568#(<= ULTIMATE.start_main_~x~4 292), 76571#(<= ULTIMATE.start_main_~x~4 298), 76570#(<= ULTIMATE.start_main_~x~4 296), 76573#(<= ULTIMATE.start_main_~x~4 302), 76572#(<= ULTIMATE.start_main_~x~4 300), 76575#(<= ULTIMATE.start_main_~x~4 306), 76574#(<= ULTIMATE.start_main_~x~4 304), 76577#(<= ULTIMATE.start_main_~x~4 310), 76576#(<= ULTIMATE.start_main_~x~4 308), 76579#(<= ULTIMATE.start_main_~x~4 314), 76578#(<= ULTIMATE.start_main_~x~4 312), 76581#(<= ULTIMATE.start_main_~x~4 318), 76580#(<= ULTIMATE.start_main_~x~4 316), 76583#(<= ULTIMATE.start_main_~x~4 322), 76582#(<= ULTIMATE.start_main_~x~4 320), 76585#(<= ULTIMATE.start_main_~x~4 326), 76584#(<= ULTIMATE.start_main_~x~4 324), 76587#(<= ULTIMATE.start_main_~x~4 330), 76586#(<= ULTIMATE.start_main_~x~4 328), 76589#(<= ULTIMATE.start_main_~x~4 334), 76588#(<= ULTIMATE.start_main_~x~4 332), 76591#(<= ULTIMATE.start_main_~x~4 338), 76590#(<= ULTIMATE.start_main_~x~4 336), 76593#(<= ULTIMATE.start_main_~x~4 342), 76592#(<= ULTIMATE.start_main_~x~4 340), 76595#(<= ULTIMATE.start_main_~x~4 346), 76594#(<= ULTIMATE.start_main_~x~4 344), 76597#(<= ULTIMATE.start_main_~x~4 350), 76596#(<= ULTIMATE.start_main_~x~4 348), 76425#true, 76427#(<= ULTIMATE.start_main_~x~4 10), 76426#false, 76429#(<= ULTIMATE.start_main_~x~4 14), 76428#(<= ULTIMATE.start_main_~x~4 12), 76431#(<= ULTIMATE.start_main_~x~4 18), 76430#(<= ULTIMATE.start_main_~x~4 16), 76433#(<= ULTIMATE.start_main_~x~4 22), 76432#(<= ULTIMATE.start_main_~x~4 20), 76435#(<= ULTIMATE.start_main_~x~4 26), 76434#(<= ULTIMATE.start_main_~x~4 24), 76437#(<= ULTIMATE.start_main_~x~4 30), 76436#(<= ULTIMATE.start_main_~x~4 28), 76439#(<= ULTIMATE.start_main_~x~4 34), 76438#(<= ULTIMATE.start_main_~x~4 32), 76441#(<= ULTIMATE.start_main_~x~4 38), 76440#(<= ULTIMATE.start_main_~x~4 36), 76443#(<= ULTIMATE.start_main_~x~4 42), 76442#(<= ULTIMATE.start_main_~x~4 40), 76445#(<= ULTIMATE.start_main_~x~4 46), 76444#(<= ULTIMATE.start_main_~x~4 44), 76447#(<= ULTIMATE.start_main_~x~4 50), 76446#(<= ULTIMATE.start_main_~x~4 48), 76449#(<= ULTIMATE.start_main_~x~4 54), 76448#(<= ULTIMATE.start_main_~x~4 52), 76451#(<= ULTIMATE.start_main_~x~4 58), 76450#(<= ULTIMATE.start_main_~x~4 56), 76453#(<= ULTIMATE.start_main_~x~4 62), 76452#(<= ULTIMATE.start_main_~x~4 60), 76455#(<= ULTIMATE.start_main_~x~4 66), 76454#(<= ULTIMATE.start_main_~x~4 64), 76457#(<= ULTIMATE.start_main_~x~4 70), 76456#(<= ULTIMATE.start_main_~x~4 68), 76459#(<= ULTIMATE.start_main_~x~4 74), 76458#(<= ULTIMATE.start_main_~x~4 72), 76461#(<= ULTIMATE.start_main_~x~4 78), 76460#(<= ULTIMATE.start_main_~x~4 76), 76463#(<= ULTIMATE.start_main_~x~4 82), 76462#(<= ULTIMATE.start_main_~x~4 80), 76465#(<= ULTIMATE.start_main_~x~4 86), 76464#(<= ULTIMATE.start_main_~x~4 84), 76467#(<= ULTIMATE.start_main_~x~4 90), 76466#(<= ULTIMATE.start_main_~x~4 88), 76469#(<= ULTIMATE.start_main_~x~4 94), 76468#(<= ULTIMATE.start_main_~x~4 92), 76471#(<= ULTIMATE.start_main_~x~4 98), 76470#(<= ULTIMATE.start_main_~x~4 96), 76473#(<= ULTIMATE.start_main_~x~4 102), 76472#(<= ULTIMATE.start_main_~x~4 100), 76475#(<= ULTIMATE.start_main_~x~4 106), 76474#(<= ULTIMATE.start_main_~x~4 104), 76477#(<= ULTIMATE.start_main_~x~4 110), 76476#(<= ULTIMATE.start_main_~x~4 108), 76479#(<= ULTIMATE.start_main_~x~4 114), 76478#(<= ULTIMATE.start_main_~x~4 112), 76481#(<= ULTIMATE.start_main_~x~4 118), 76480#(<= ULTIMATE.start_main_~x~4 116), 76483#(<= ULTIMATE.start_main_~x~4 122), 76482#(<= ULTIMATE.start_main_~x~4 120), 76485#(<= ULTIMATE.start_main_~x~4 126), 76484#(<= ULTIMATE.start_main_~x~4 124), 76487#(<= ULTIMATE.start_main_~x~4 130), 76486#(<= ULTIMATE.start_main_~x~4 128), 76489#(<= ULTIMATE.start_main_~x~4 134), 76488#(<= ULTIMATE.start_main_~x~4 132), 76491#(<= ULTIMATE.start_main_~x~4 138), 76490#(<= ULTIMATE.start_main_~x~4 136), 76493#(<= ULTIMATE.start_main_~x~4 142), 76492#(<= ULTIMATE.start_main_~x~4 140), 76495#(<= ULTIMATE.start_main_~x~4 146), 76494#(<= ULTIMATE.start_main_~x~4 144), 76497#(<= ULTIMATE.start_main_~x~4 150), 76496#(<= ULTIMATE.start_main_~x~4 148), 76499#(<= ULTIMATE.start_main_~x~4 154), 76498#(<= ULTIMATE.start_main_~x~4 152), 76501#(<= ULTIMATE.start_main_~x~4 158), 76500#(<= ULTIMATE.start_main_~x~4 156), 76503#(<= ULTIMATE.start_main_~x~4 162), 76502#(<= ULTIMATE.start_main_~x~4 160), 76505#(<= ULTIMATE.start_main_~x~4 166), 76504#(<= ULTIMATE.start_main_~x~4 164), 76507#(<= ULTIMATE.start_main_~x~4 170), 76506#(<= ULTIMATE.start_main_~x~4 168), 76509#(<= ULTIMATE.start_main_~x~4 174), 76508#(<= ULTIMATE.start_main_~x~4 172), 76511#(<= ULTIMATE.start_main_~x~4 178), 76510#(<= ULTIMATE.start_main_~x~4 176), 76513#(<= ULTIMATE.start_main_~x~4 182), 76512#(<= ULTIMATE.start_main_~x~4 180), 76515#(<= ULTIMATE.start_main_~x~4 186), 76514#(<= ULTIMATE.start_main_~x~4 184), 76517#(<= ULTIMATE.start_main_~x~4 190), 76516#(<= ULTIMATE.start_main_~x~4 188), 76519#(<= ULTIMATE.start_main_~x~4 194), 76518#(<= ULTIMATE.start_main_~x~4 192), 76521#(<= ULTIMATE.start_main_~x~4 198), 76520#(<= ULTIMATE.start_main_~x~4 196), 76523#(<= ULTIMATE.start_main_~x~4 202), 76522#(<= ULTIMATE.start_main_~x~4 200), 76525#(<= ULTIMATE.start_main_~x~4 206), 76524#(<= ULTIMATE.start_main_~x~4 204), 76527#(<= ULTIMATE.start_main_~x~4 210), 76526#(<= ULTIMATE.start_main_~x~4 208), 76529#(<= ULTIMATE.start_main_~x~4 214), 76528#(<= ULTIMATE.start_main_~x~4 212), 76531#(<= ULTIMATE.start_main_~x~4 218), 76530#(<= ULTIMATE.start_main_~x~4 216), 76533#(<= ULTIMATE.start_main_~x~4 222), 76532#(<= ULTIMATE.start_main_~x~4 220), 76535#(<= ULTIMATE.start_main_~x~4 226), 76534#(<= ULTIMATE.start_main_~x~4 224), 76537#(<= ULTIMATE.start_main_~x~4 230), 76536#(<= ULTIMATE.start_main_~x~4 228), 76539#(<= ULTIMATE.start_main_~x~4 234), 76538#(<= ULTIMATE.start_main_~x~4 232), 76541#(<= ULTIMATE.start_main_~x~4 238), 76540#(<= ULTIMATE.start_main_~x~4 236), 76543#(<= ULTIMATE.start_main_~x~4 242), 76542#(<= ULTIMATE.start_main_~x~4 240)] [2018-07-23 13:42:43,168 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 13:42:43,169 INFO L450 AbstractCegarLoop]: Interpolant automaton has 173 states [2018-07-23 13:42:43,171 INFO L132 InterpolantAutomaton]: Constructing interpolant automaton starting with 173 interpolants. [2018-07-23 13:42:43,172 INFO L133 InterpolantAutomaton]: CoverageRelationStatistics Valid=14878, Invalid=14878, Unknown=0, NotChecked=0, Total=29756 [2018-07-23 13:42:43,172 INFO L87 Difference]: Start difference. First operand 174 states and 174 transitions. Second operand 173 states. [2018-07-23 13:42:43,385 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2018-07-23 13:42:43,385 INFO L93 Difference]: Finished difference Result 177 states and 177 transitions. [2018-07-23 13:42:43,385 INFO L142 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 173 states. [2018-07-23 13:42:43,385 INFO L78 Accepts]: Start accepts. Automaton has 173 states. Word has length 173 [2018-07-23 13:42:43,386 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2018-07-23 13:42:43,386 INFO L225 Difference]: With dead ends: 177 [2018-07-23 13:42:43,386 INFO L226 Difference]: Without dead ends: 175 [2018-07-23 13:42:43,388 INFO L575 BasicCegarLoop]: 0 DeclaredPredicates, 172 GetRequests, 1 SyntacticMatches, 0 SemanticMatches, 171 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 0 ImplicationChecksByTransitivity, 0.5s TimeCoverageRelationStatistics Valid=14878, Invalid=14878, Unknown=0, NotChecked=0, Total=29756 [2018-07-23 13:42:43,388 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 175 states. [2018-07-23 13:42:43,390 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 175 to 175. [2018-07-23 13:42:43,391 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 175 states. [2018-07-23 13:42:43,391 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 175 states to 175 states and 175 transitions. [2018-07-23 13:42:43,391 INFO L78 Accepts]: Start accepts. Automaton has 175 states and 175 transitions. Word has length 173 [2018-07-23 13:42:43,391 INFO L84 Accepts]: Finished accepts. word is rejected. [2018-07-23 13:42:43,391 INFO L471 AbstractCegarLoop]: Abstraction has 175 states and 175 transitions. [2018-07-23 13:42:43,391 INFO L472 AbstractCegarLoop]: Interpolant automaton has 173 states. [2018-07-23 13:42:43,392 INFO L276 IsEmpty]: Start isEmpty. Operand 175 states and 175 transitions. [2018-07-23 13:42:43,392 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 175 [2018-07-23 13:42:43,392 INFO L349 BasicCegarLoop]: Found error trace [2018-07-23 13:42:43,392 INFO L357 BasicCegarLoop]: trace histogram [171, 1, 1, 1] [2018-07-23 13:42:43,392 INFO L414 AbstractCegarLoop]: === Iteration 172 === [ULTIMATE.startErr0AssertViolationASSERT]=== [2018-07-23 13:42:43,393 INFO L82 PathProgramCache]: Analyzing trace with hash -775278392, now seen corresponding path program 171 times [2018-07-23 13:42:43,393 INFO L69 tionRefinementEngine]: Using refinement strategy FixedRefinementStrategy [2018-07-23 13:42:43,407 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-07-23 13:42:43,987 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 13:42:43,988 INFO L309 seRefinementStrategy]: Constructing automaton from 0 perfect and 1 imperfect interpolant sequences. [2018-07-23 13:42:43,988 INFO L324 seRefinementStrategy]: Number of different interpolants: perfect sequences [] imperfect sequences [173] total 173 [2018-07-23 13:42:43,988 INFO L142 lantAutomatonBuilder]: Constructing canonical interpolant automaton, with selfloop in false state [2018-07-23 13:42:43,988 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2018-07-23 13:42:43,988 INFO L185 omatonBuilderFactory]: Interpolants [77313#(<= ULTIMATE.start_main_~x~4 28), 77312#(<= ULTIMATE.start_main_~x~4 26), 77315#(<= ULTIMATE.start_main_~x~4 32), 77314#(<= ULTIMATE.start_main_~x~4 30), 77317#(<= ULTIMATE.start_main_~x~4 36), 77316#(<= ULTIMATE.start_main_~x~4 34), 77319#(<= ULTIMATE.start_main_~x~4 40), 77318#(<= ULTIMATE.start_main_~x~4 38), 77321#(<= ULTIMATE.start_main_~x~4 44), 77320#(<= ULTIMATE.start_main_~x~4 42), 77323#(<= ULTIMATE.start_main_~x~4 48), 77322#(<= ULTIMATE.start_main_~x~4 46), 77325#(<= ULTIMATE.start_main_~x~4 52), 77324#(<= ULTIMATE.start_main_~x~4 50), 77327#(<= ULTIMATE.start_main_~x~4 56), 77326#(<= ULTIMATE.start_main_~x~4 54), 77329#(<= ULTIMATE.start_main_~x~4 60), 77328#(<= ULTIMATE.start_main_~x~4 58), 77331#(<= ULTIMATE.start_main_~x~4 64), 77330#(<= ULTIMATE.start_main_~x~4 62), 77333#(<= ULTIMATE.start_main_~x~4 68), 77332#(<= ULTIMATE.start_main_~x~4 66), 77335#(<= ULTIMATE.start_main_~x~4 72), 77334#(<= ULTIMATE.start_main_~x~4 70), 77337#(<= ULTIMATE.start_main_~x~4 76), 77336#(<= ULTIMATE.start_main_~x~4 74), 77339#(<= ULTIMATE.start_main_~x~4 80), 77338#(<= ULTIMATE.start_main_~x~4 78), 77341#(<= ULTIMATE.start_main_~x~4 84), 77340#(<= ULTIMATE.start_main_~x~4 82), 77343#(<= ULTIMATE.start_main_~x~4 88), 77342#(<= ULTIMATE.start_main_~x~4 86), 77345#(<= ULTIMATE.start_main_~x~4 92), 77344#(<= ULTIMATE.start_main_~x~4 90), 77347#(<= ULTIMATE.start_main_~x~4 96), 77346#(<= ULTIMATE.start_main_~x~4 94), 77349#(<= ULTIMATE.start_main_~x~4 100), 77348#(<= ULTIMATE.start_main_~x~4 98), 77351#(<= ULTIMATE.start_main_~x~4 104), 77350#(<= ULTIMATE.start_main_~x~4 102), 77353#(<= ULTIMATE.start_main_~x~4 108), 77352#(<= ULTIMATE.start_main_~x~4 106), 77355#(<= ULTIMATE.start_main_~x~4 112), 77354#(<= ULTIMATE.start_main_~x~4 110), 77357#(<= ULTIMATE.start_main_~x~4 116), 77356#(<= ULTIMATE.start_main_~x~4 114), 77359#(<= ULTIMATE.start_main_~x~4 120), 77358#(<= ULTIMATE.start_main_~x~4 118), 77361#(<= ULTIMATE.start_main_~x~4 124), 77360#(<= ULTIMATE.start_main_~x~4 122), 77363#(<= ULTIMATE.start_main_~x~4 128), 77362#(<= ULTIMATE.start_main_~x~4 126), 77365#(<= ULTIMATE.start_main_~x~4 132), 77364#(<= ULTIMATE.start_main_~x~4 130), 77367#(<= ULTIMATE.start_main_~x~4 136), 77366#(<= ULTIMATE.start_main_~x~4 134), 77369#(<= ULTIMATE.start_main_~x~4 140), 77368#(<= ULTIMATE.start_main_~x~4 138), 77371#(<= ULTIMATE.start_main_~x~4 144), 77370#(<= ULTIMATE.start_main_~x~4 142), 77373#(<= ULTIMATE.start_main_~x~4 148), 77372#(<= ULTIMATE.start_main_~x~4 146), 77375#(<= ULTIMATE.start_main_~x~4 152), 77374#(<= ULTIMATE.start_main_~x~4 150), 77377#(<= ULTIMATE.start_main_~x~4 156), 77376#(<= ULTIMATE.start_main_~x~4 154), 77379#(<= ULTIMATE.start_main_~x~4 160), 77378#(<= ULTIMATE.start_main_~x~4 158), 77381#(<= ULTIMATE.start_main_~x~4 164), 77380#(<= ULTIMATE.start_main_~x~4 162), 77383#(<= ULTIMATE.start_main_~x~4 168), 77382#(<= ULTIMATE.start_main_~x~4 166), 77385#(<= ULTIMATE.start_main_~x~4 172), 77384#(<= ULTIMATE.start_main_~x~4 170), 77387#(<= ULTIMATE.start_main_~x~4 176), 77386#(<= ULTIMATE.start_main_~x~4 174), 77389#(<= ULTIMATE.start_main_~x~4 180), 77388#(<= ULTIMATE.start_main_~x~4 178), 77391#(<= ULTIMATE.start_main_~x~4 184), 77390#(<= ULTIMATE.start_main_~x~4 182), 77393#(<= ULTIMATE.start_main_~x~4 188), 77392#(<= ULTIMATE.start_main_~x~4 186), 77395#(<= ULTIMATE.start_main_~x~4 192), 77394#(<= ULTIMATE.start_main_~x~4 190), 77397#(<= ULTIMATE.start_main_~x~4 196), 77396#(<= ULTIMATE.start_main_~x~4 194), 77399#(<= ULTIMATE.start_main_~x~4 200), 77398#(<= ULTIMATE.start_main_~x~4 198), 77401#(<= ULTIMATE.start_main_~x~4 204), 77400#(<= ULTIMATE.start_main_~x~4 202), 77403#(<= ULTIMATE.start_main_~x~4 208), 77402#(<= ULTIMATE.start_main_~x~4 206), 77405#(<= ULTIMATE.start_main_~x~4 212), 77404#(<= ULTIMATE.start_main_~x~4 210), 77407#(<= ULTIMATE.start_main_~x~4 216), 77406#(<= ULTIMATE.start_main_~x~4 214), 77409#(<= ULTIMATE.start_main_~x~4 220), 77408#(<= ULTIMATE.start_main_~x~4 218), 77411#(<= ULTIMATE.start_main_~x~4 224), 77410#(<= ULTIMATE.start_main_~x~4 222), 77413#(<= ULTIMATE.start_main_~x~4 228), 77412#(<= ULTIMATE.start_main_~x~4 226), 77415#(<= ULTIMATE.start_main_~x~4 232), 77414#(<= ULTIMATE.start_main_~x~4 230), 77417#(<= ULTIMATE.start_main_~x~4 236), 77416#(<= ULTIMATE.start_main_~x~4 234), 77419#(<= ULTIMATE.start_main_~x~4 240), 77418#(<= ULTIMATE.start_main_~x~4 238), 77421#(<= ULTIMATE.start_main_~x~4 244), 77420#(<= ULTIMATE.start_main_~x~4 242), 77423#(<= ULTIMATE.start_main_~x~4 248), 77422#(<= ULTIMATE.start_main_~x~4 246), 77425#(<= ULTIMATE.start_main_~x~4 252), 77424#(<= ULTIMATE.start_main_~x~4 250), 77427#(<= ULTIMATE.start_main_~x~4 256), 77426#(<= ULTIMATE.start_main_~x~4 254), 77429#(<= ULTIMATE.start_main_~x~4 260), 77428#(<= ULTIMATE.start_main_~x~4 258), 77431#(<= ULTIMATE.start_main_~x~4 264), 77430#(<= ULTIMATE.start_main_~x~4 262), 77433#(<= ULTIMATE.start_main_~x~4 268), 77432#(<= ULTIMATE.start_main_~x~4 266), 77435#(<= ULTIMATE.start_main_~x~4 272), 77434#(<= ULTIMATE.start_main_~x~4 270), 77437#(<= ULTIMATE.start_main_~x~4 276), 77436#(<= ULTIMATE.start_main_~x~4 274), 77439#(<= ULTIMATE.start_main_~x~4 280), 77438#(<= ULTIMATE.start_main_~x~4 278), 77441#(<= ULTIMATE.start_main_~x~4 284), 77440#(<= ULTIMATE.start_main_~x~4 282), 77443#(<= ULTIMATE.start_main_~x~4 288), 77442#(<= ULTIMATE.start_main_~x~4 286), 77445#(<= ULTIMATE.start_main_~x~4 292), 77444#(<= ULTIMATE.start_main_~x~4 290), 77447#(<= ULTIMATE.start_main_~x~4 296), 77446#(<= ULTIMATE.start_main_~x~4 294), 77449#(<= ULTIMATE.start_main_~x~4 300), 77448#(<= ULTIMATE.start_main_~x~4 298), 77451#(<= ULTIMATE.start_main_~x~4 304), 77450#(<= ULTIMATE.start_main_~x~4 302), 77453#(<= ULTIMATE.start_main_~x~4 308), 77452#(<= ULTIMATE.start_main_~x~4 306), 77455#(<= ULTIMATE.start_main_~x~4 312), 77454#(<= ULTIMATE.start_main_~x~4 310), 77457#(<= ULTIMATE.start_main_~x~4 316), 77456#(<= ULTIMATE.start_main_~x~4 314), 77459#(<= ULTIMATE.start_main_~x~4 320), 77458#(<= ULTIMATE.start_main_~x~4 318), 77461#(<= ULTIMATE.start_main_~x~4 324), 77460#(<= ULTIMATE.start_main_~x~4 322), 77463#(<= ULTIMATE.start_main_~x~4 328), 77462#(<= ULTIMATE.start_main_~x~4 326), 77465#(<= ULTIMATE.start_main_~x~4 332), 77464#(<= ULTIMATE.start_main_~x~4 330), 77467#(<= ULTIMATE.start_main_~x~4 336), 77466#(<= ULTIMATE.start_main_~x~4 334), 77469#(<= ULTIMATE.start_main_~x~4 340), 77468#(<= ULTIMATE.start_main_~x~4 338), 77471#(<= ULTIMATE.start_main_~x~4 344), 77470#(<= ULTIMATE.start_main_~x~4 342), 77473#(<= ULTIMATE.start_main_~x~4 348), 77472#(<= ULTIMATE.start_main_~x~4 346), 77475#(<= ULTIMATE.start_main_~x~4 352), 77474#(<= ULTIMATE.start_main_~x~4 350), 77303#false, 77302#true, 77305#(<= ULTIMATE.start_main_~x~4 12), 77304#(<= ULTIMATE.start_main_~x~4 10), 77307#(<= ULTIMATE.start_main_~x~4 16), 77306#(<= ULTIMATE.start_main_~x~4 14), 77309#(<= ULTIMATE.start_main_~x~4 20), 77308#(<= ULTIMATE.start_main_~x~4 18), 77311#(<= ULTIMATE.start_main_~x~4 24), 77310#(<= ULTIMATE.start_main_~x~4 22)] [2018-07-23 13:42:43,989 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 13:42:43,989 INFO L450 AbstractCegarLoop]: Interpolant automaton has 174 states [2018-07-23 13:42:43,991 INFO L132 InterpolantAutomaton]: Constructing interpolant automaton starting with 174 interpolants. [2018-07-23 13:42:43,993 INFO L133 InterpolantAutomaton]: CoverageRelationStatistics Valid=15051, Invalid=15051, Unknown=0, NotChecked=0, Total=30102 [2018-07-23 13:42:43,993 INFO L87 Difference]: Start difference. First operand 175 states and 175 transitions. Second operand 174 states. [2018-07-23 13:42:44,619 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2018-07-23 13:42:44,619 INFO L93 Difference]: Finished difference Result 178 states and 178 transitions. [2018-07-23 13:42:44,619 INFO L142 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 174 states. [2018-07-23 13:42:44,619 INFO L78 Accepts]: Start accepts. Automaton has 174 states. Word has length 174 [2018-07-23 13:42:44,620 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2018-07-23 13:42:44,620 INFO L225 Difference]: With dead ends: 178 [2018-07-23 13:42:44,620 INFO L226 Difference]: Without dead ends: 176 [2018-07-23 13:42:44,623 INFO L575 BasicCegarLoop]: 0 DeclaredPredicates, 173 GetRequests, 1 SyntacticMatches, 0 SemanticMatches, 172 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 0 ImplicationChecksByTransitivity, 0.5s TimeCoverageRelationStatistics Valid=15051, Invalid=15051, Unknown=0, NotChecked=0, Total=30102 [2018-07-23 13:42:44,623 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 176 states. [2018-07-23 13:42:44,626 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 176 to 176. [2018-07-23 13:42:44,626 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 176 states. [2018-07-23 13:42:44,626 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 176 states to 176 states and 176 transitions. [2018-07-23 13:42:44,627 INFO L78 Accepts]: Start accepts. Automaton has 176 states and 176 transitions. Word has length 174 [2018-07-23 13:42:44,627 INFO L84 Accepts]: Finished accepts. word is rejected. [2018-07-23 13:42:44,627 INFO L471 AbstractCegarLoop]: Abstraction has 176 states and 176 transitions. [2018-07-23 13:42:44,627 INFO L472 AbstractCegarLoop]: Interpolant automaton has 174 states. [2018-07-23 13:42:44,627 INFO L276 IsEmpty]: Start isEmpty. Operand 176 states and 176 transitions. [2018-07-23 13:42:44,628 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 176 [2018-07-23 13:42:44,628 INFO L349 BasicCegarLoop]: Found error trace [2018-07-23 13:42:44,628 INFO L357 BasicCegarLoop]: trace histogram [172, 1, 1, 1] [2018-07-23 13:42:44,628 INFO L414 AbstractCegarLoop]: === Iteration 173 === [ULTIMATE.startErr0AssertViolationASSERT]=== [2018-07-23 13:42:44,628 INFO L82 PathProgramCache]: Analyzing trace with hash 1736171649, now seen corresponding path program 172 times [2018-07-23 13:42:44,628 INFO L69 tionRefinementEngine]: Using refinement strategy FixedRefinementStrategy [2018-07-23 13:42:44,647 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-07-23 13:42:45,403 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 13:42:45,403 INFO L309 seRefinementStrategy]: Constructing automaton from 0 perfect and 1 imperfect interpolant sequences. [2018-07-23 13:42:45,403 INFO L324 seRefinementStrategy]: Number of different interpolants: perfect sequences [] imperfect sequences [174] total 174 [2018-07-23 13:42:45,404 INFO L142 lantAutomatonBuilder]: Constructing canonical interpolant automaton, with selfloop in false state [2018-07-23 13:42:45,404 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2018-07-23 13:42:45,404 INFO L185 omatonBuilderFactory]: Interpolants [78337#(<= ULTIMATE.start_main_~x~4 312), 78336#(<= ULTIMATE.start_main_~x~4 310), 78339#(<= ULTIMATE.start_main_~x~4 316), 78338#(<= ULTIMATE.start_main_~x~4 314), 78341#(<= ULTIMATE.start_main_~x~4 320), 78340#(<= ULTIMATE.start_main_~x~4 318), 78343#(<= ULTIMATE.start_main_~x~4 324), 78342#(<= ULTIMATE.start_main_~x~4 322), 78345#(<= ULTIMATE.start_main_~x~4 328), 78344#(<= ULTIMATE.start_main_~x~4 326), 78347#(<= ULTIMATE.start_main_~x~4 332), 78346#(<= ULTIMATE.start_main_~x~4 330), 78349#(<= ULTIMATE.start_main_~x~4 336), 78348#(<= ULTIMATE.start_main_~x~4 334), 78351#(<= ULTIMATE.start_main_~x~4 340), 78350#(<= ULTIMATE.start_main_~x~4 338), 78353#(<= ULTIMATE.start_main_~x~4 344), 78352#(<= ULTIMATE.start_main_~x~4 342), 78355#(<= ULTIMATE.start_main_~x~4 348), 78354#(<= ULTIMATE.start_main_~x~4 346), 78357#(<= ULTIMATE.start_main_~x~4 352), 78356#(<= ULTIMATE.start_main_~x~4 350), 78358#(<= ULTIMATE.start_main_~x~4 354), 78185#false, 78184#true, 78187#(<= ULTIMATE.start_main_~x~4 12), 78186#(<= ULTIMATE.start_main_~x~4 10), 78189#(<= ULTIMATE.start_main_~x~4 16), 78188#(<= ULTIMATE.start_main_~x~4 14), 78191#(<= ULTIMATE.start_main_~x~4 20), 78190#(<= ULTIMATE.start_main_~x~4 18), 78193#(<= ULTIMATE.start_main_~x~4 24), 78192#(<= ULTIMATE.start_main_~x~4 22), 78195#(<= ULTIMATE.start_main_~x~4 28), 78194#(<= ULTIMATE.start_main_~x~4 26), 78197#(<= ULTIMATE.start_main_~x~4 32), 78196#(<= ULTIMATE.start_main_~x~4 30), 78199#(<= ULTIMATE.start_main_~x~4 36), 78198#(<= ULTIMATE.start_main_~x~4 34), 78201#(<= ULTIMATE.start_main_~x~4 40), 78200#(<= ULTIMATE.start_main_~x~4 38), 78203#(<= ULTIMATE.start_main_~x~4 44), 78202#(<= ULTIMATE.start_main_~x~4 42), 78205#(<= ULTIMATE.start_main_~x~4 48), 78204#(<= ULTIMATE.start_main_~x~4 46), 78207#(<= ULTIMATE.start_main_~x~4 52), 78206#(<= ULTIMATE.start_main_~x~4 50), 78209#(<= ULTIMATE.start_main_~x~4 56), 78208#(<= ULTIMATE.start_main_~x~4 54), 78211#(<= ULTIMATE.start_main_~x~4 60), 78210#(<= ULTIMATE.start_main_~x~4 58), 78213#(<= ULTIMATE.start_main_~x~4 64), 78212#(<= ULTIMATE.start_main_~x~4 62), 78215#(<= ULTIMATE.start_main_~x~4 68), 78214#(<= ULTIMATE.start_main_~x~4 66), 78217#(<= ULTIMATE.start_main_~x~4 72), 78216#(<= ULTIMATE.start_main_~x~4 70), 78219#(<= ULTIMATE.start_main_~x~4 76), 78218#(<= ULTIMATE.start_main_~x~4 74), 78221#(<= ULTIMATE.start_main_~x~4 80), 78220#(<= ULTIMATE.start_main_~x~4 78), 78223#(<= ULTIMATE.start_main_~x~4 84), 78222#(<= ULTIMATE.start_main_~x~4 82), 78225#(<= ULTIMATE.start_main_~x~4 88), 78224#(<= ULTIMATE.start_main_~x~4 86), 78227#(<= ULTIMATE.start_main_~x~4 92), 78226#(<= ULTIMATE.start_main_~x~4 90), 78229#(<= ULTIMATE.start_main_~x~4 96), 78228#(<= ULTIMATE.start_main_~x~4 94), 78231#(<= ULTIMATE.start_main_~x~4 100), 78230#(<= ULTIMATE.start_main_~x~4 98), 78233#(<= ULTIMATE.start_main_~x~4 104), 78232#(<= ULTIMATE.start_main_~x~4 102), 78235#(<= ULTIMATE.start_main_~x~4 108), 78234#(<= ULTIMATE.start_main_~x~4 106), 78237#(<= ULTIMATE.start_main_~x~4 112), 78236#(<= ULTIMATE.start_main_~x~4 110), 78239#(<= ULTIMATE.start_main_~x~4 116), 78238#(<= ULTIMATE.start_main_~x~4 114), 78241#(<= ULTIMATE.start_main_~x~4 120), 78240#(<= ULTIMATE.start_main_~x~4 118), 78243#(<= ULTIMATE.start_main_~x~4 124), 78242#(<= ULTIMATE.start_main_~x~4 122), 78245#(<= ULTIMATE.start_main_~x~4 128), 78244#(<= ULTIMATE.start_main_~x~4 126), 78247#(<= ULTIMATE.start_main_~x~4 132), 78246#(<= ULTIMATE.start_main_~x~4 130), 78249#(<= ULTIMATE.start_main_~x~4 136), 78248#(<= ULTIMATE.start_main_~x~4 134), 78251#(<= ULTIMATE.start_main_~x~4 140), 78250#(<= ULTIMATE.start_main_~x~4 138), 78253#(<= ULTIMATE.start_main_~x~4 144), 78252#(<= ULTIMATE.start_main_~x~4 142), 78255#(<= ULTIMATE.start_main_~x~4 148), 78254#(<= ULTIMATE.start_main_~x~4 146), 78257#(<= ULTIMATE.start_main_~x~4 152), 78256#(<= ULTIMATE.start_main_~x~4 150), 78259#(<= ULTIMATE.start_main_~x~4 156), 78258#(<= ULTIMATE.start_main_~x~4 154), 78261#(<= ULTIMATE.start_main_~x~4 160), 78260#(<= ULTIMATE.start_main_~x~4 158), 78263#(<= ULTIMATE.start_main_~x~4 164), 78262#(<= ULTIMATE.start_main_~x~4 162), 78265#(<= ULTIMATE.start_main_~x~4 168), 78264#(<= ULTIMATE.start_main_~x~4 166), 78267#(<= ULTIMATE.start_main_~x~4 172), 78266#(<= ULTIMATE.start_main_~x~4 170), 78269#(<= ULTIMATE.start_main_~x~4 176), 78268#(<= ULTIMATE.start_main_~x~4 174), 78271#(<= ULTIMATE.start_main_~x~4 180), 78270#(<= ULTIMATE.start_main_~x~4 178), 78273#(<= ULTIMATE.start_main_~x~4 184), 78272#(<= ULTIMATE.start_main_~x~4 182), 78275#(<= ULTIMATE.start_main_~x~4 188), 78274#(<= ULTIMATE.start_main_~x~4 186), 78277#(<= ULTIMATE.start_main_~x~4 192), 78276#(<= ULTIMATE.start_main_~x~4 190), 78279#(<= ULTIMATE.start_main_~x~4 196), 78278#(<= ULTIMATE.start_main_~x~4 194), 78281#(<= ULTIMATE.start_main_~x~4 200), 78280#(<= ULTIMATE.start_main_~x~4 198), 78283#(<= ULTIMATE.start_main_~x~4 204), 78282#(<= ULTIMATE.start_main_~x~4 202), 78285#(<= ULTIMATE.start_main_~x~4 208), 78284#(<= ULTIMATE.start_main_~x~4 206), 78287#(<= ULTIMATE.start_main_~x~4 212), 78286#(<= ULTIMATE.start_main_~x~4 210), 78289#(<= ULTIMATE.start_main_~x~4 216), 78288#(<= ULTIMATE.start_main_~x~4 214), 78291#(<= ULTIMATE.start_main_~x~4 220), 78290#(<= ULTIMATE.start_main_~x~4 218), 78293#(<= ULTIMATE.start_main_~x~4 224), 78292#(<= ULTIMATE.start_main_~x~4 222), 78295#(<= ULTIMATE.start_main_~x~4 228), 78294#(<= ULTIMATE.start_main_~x~4 226), 78297#(<= ULTIMATE.start_main_~x~4 232), 78296#(<= ULTIMATE.start_main_~x~4 230), 78299#(<= ULTIMATE.start_main_~x~4 236), 78298#(<= ULTIMATE.start_main_~x~4 234), 78301#(<= ULTIMATE.start_main_~x~4 240), 78300#(<= ULTIMATE.start_main_~x~4 238), 78303#(<= ULTIMATE.start_main_~x~4 244), 78302#(<= ULTIMATE.start_main_~x~4 242), 78305#(<= ULTIMATE.start_main_~x~4 248), 78304#(<= ULTIMATE.start_main_~x~4 246), 78307#(<= ULTIMATE.start_main_~x~4 252), 78306#(<= ULTIMATE.start_main_~x~4 250), 78309#(<= ULTIMATE.start_main_~x~4 256), 78308#(<= ULTIMATE.start_main_~x~4 254), 78311#(<= ULTIMATE.start_main_~x~4 260), 78310#(<= ULTIMATE.start_main_~x~4 258), 78313#(<= ULTIMATE.start_main_~x~4 264), 78312#(<= ULTIMATE.start_main_~x~4 262), 78315#(<= ULTIMATE.start_main_~x~4 268), 78314#(<= ULTIMATE.start_main_~x~4 266), 78317#(<= ULTIMATE.start_main_~x~4 272), 78316#(<= ULTIMATE.start_main_~x~4 270), 78319#(<= ULTIMATE.start_main_~x~4 276), 78318#(<= ULTIMATE.start_main_~x~4 274), 78321#(<= ULTIMATE.start_main_~x~4 280), 78320#(<= ULTIMATE.start_main_~x~4 278), 78323#(<= ULTIMATE.start_main_~x~4 284), 78322#(<= ULTIMATE.start_main_~x~4 282), 78325#(<= ULTIMATE.start_main_~x~4 288), 78324#(<= ULTIMATE.start_main_~x~4 286), 78327#(<= ULTIMATE.start_main_~x~4 292), 78326#(<= ULTIMATE.start_main_~x~4 290), 78329#(<= ULTIMATE.start_main_~x~4 296), 78328#(<= ULTIMATE.start_main_~x~4 294), 78331#(<= ULTIMATE.start_main_~x~4 300), 78330#(<= ULTIMATE.start_main_~x~4 298), 78333#(<= ULTIMATE.start_main_~x~4 304), 78332#(<= ULTIMATE.start_main_~x~4 302), 78335#(<= ULTIMATE.start_main_~x~4 308), 78334#(<= ULTIMATE.start_main_~x~4 306)] [2018-07-23 13:42:45,405 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 13:42:45,405 INFO L450 AbstractCegarLoop]: Interpolant automaton has 175 states [2018-07-23 13:42:45,407 INFO L132 InterpolantAutomaton]: Constructing interpolant automaton starting with 175 interpolants. [2018-07-23 13:42:45,408 INFO L133 InterpolantAutomaton]: CoverageRelationStatistics Valid=15225, Invalid=15225, Unknown=0, NotChecked=0, Total=30450 [2018-07-23 13:42:45,408 INFO L87 Difference]: Start difference. First operand 176 states and 176 transitions. Second operand 175 states. [2018-07-23 13:42:45,787 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2018-07-23 13:42:45,788 INFO L93 Difference]: Finished difference Result 179 states and 179 transitions. [2018-07-23 13:42:45,788 INFO L142 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 175 states. [2018-07-23 13:42:45,788 INFO L78 Accepts]: Start accepts. Automaton has 175 states. Word has length 175 [2018-07-23 13:42:45,788 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2018-07-23 13:42:45,788 INFO L225 Difference]: With dead ends: 179 [2018-07-23 13:42:45,788 INFO L226 Difference]: Without dead ends: 177 [2018-07-23 13:42:45,791 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 13:42:45,792 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 177 states. [2018-07-23 13:42:45,793 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 177 to 177. [2018-07-23 13:42:45,793 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 177 states. [2018-07-23 13:42:45,794 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 177 states to 177 states and 177 transitions. [2018-07-23 13:42:45,794 INFO L78 Accepts]: Start accepts. Automaton has 177 states and 177 transitions. Word has length 175 [2018-07-23 13:42:45,794 INFO L84 Accepts]: Finished accepts. word is rejected. [2018-07-23 13:42:45,794 INFO L471 AbstractCegarLoop]: Abstraction has 177 states and 177 transitions. [2018-07-23 13:42:45,794 INFO L472 AbstractCegarLoop]: Interpolant automaton has 175 states. [2018-07-23 13:42:45,795 INFO L276 IsEmpty]: Start isEmpty. Operand 177 states and 177 transitions. [2018-07-23 13:42:45,795 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 177 [2018-07-23 13:42:45,795 INFO L349 BasicCegarLoop]: Found error trace [2018-07-23 13:42:45,795 INFO L357 BasicCegarLoop]: trace histogram [173, 1, 1, 1] [2018-07-23 13:42:45,796 INFO L414 AbstractCegarLoop]: === Iteration 174 === [ULTIMATE.startErr0AssertViolationASSERT]=== [2018-07-23 13:42:45,796 INFO L82 PathProgramCache]: Analyzing trace with hash -2013255704, now seen corresponding path program 173 times [2018-07-23 13:42:45,796 INFO L69 tionRefinementEngine]: Using refinement strategy FixedRefinementStrategy [2018-07-23 13:42:45,817 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-07-23 13:42:46,442 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 13:42:46,442 INFO L309 seRefinementStrategy]: Constructing automaton from 0 perfect and 1 imperfect interpolant sequences. [2018-07-23 13:42:46,442 INFO L324 seRefinementStrategy]: Number of different interpolants: perfect sequences [] imperfect sequences [175] total 175 [2018-07-23 13:42:46,442 INFO L142 lantAutomatonBuilder]: Constructing canonical interpolant automaton, with selfloop in false state [2018-07-23 13:42:46,442 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2018-07-23 13:42:46,443 INFO L185 omatonBuilderFactory]: Interpolants [79105#(<= ULTIMATE.start_main_~x~4 74), 79104#(<= ULTIMATE.start_main_~x~4 72), 79107#(<= ULTIMATE.start_main_~x~4 78), 79106#(<= ULTIMATE.start_main_~x~4 76), 79109#(<= ULTIMATE.start_main_~x~4 82), 79108#(<= ULTIMATE.start_main_~x~4 80), 79111#(<= ULTIMATE.start_main_~x~4 86), 79110#(<= ULTIMATE.start_main_~x~4 84), 79113#(<= ULTIMATE.start_main_~x~4 90), 79112#(<= ULTIMATE.start_main_~x~4 88), 79115#(<= ULTIMATE.start_main_~x~4 94), 79114#(<= ULTIMATE.start_main_~x~4 92), 79117#(<= ULTIMATE.start_main_~x~4 98), 79116#(<= ULTIMATE.start_main_~x~4 96), 79119#(<= ULTIMATE.start_main_~x~4 102), 79118#(<= ULTIMATE.start_main_~x~4 100), 79121#(<= ULTIMATE.start_main_~x~4 106), 79120#(<= ULTIMATE.start_main_~x~4 104), 79123#(<= ULTIMATE.start_main_~x~4 110), 79122#(<= ULTIMATE.start_main_~x~4 108), 79125#(<= ULTIMATE.start_main_~x~4 114), 79124#(<= ULTIMATE.start_main_~x~4 112), 79127#(<= ULTIMATE.start_main_~x~4 118), 79126#(<= ULTIMATE.start_main_~x~4 116), 79129#(<= ULTIMATE.start_main_~x~4 122), 79128#(<= ULTIMATE.start_main_~x~4 120), 79131#(<= ULTIMATE.start_main_~x~4 126), 79130#(<= ULTIMATE.start_main_~x~4 124), 79133#(<= ULTIMATE.start_main_~x~4 130), 79132#(<= ULTIMATE.start_main_~x~4 128), 79135#(<= ULTIMATE.start_main_~x~4 134), 79134#(<= ULTIMATE.start_main_~x~4 132), 79137#(<= ULTIMATE.start_main_~x~4 138), 79136#(<= ULTIMATE.start_main_~x~4 136), 79139#(<= ULTIMATE.start_main_~x~4 142), 79138#(<= ULTIMATE.start_main_~x~4 140), 79141#(<= ULTIMATE.start_main_~x~4 146), 79140#(<= ULTIMATE.start_main_~x~4 144), 79143#(<= ULTIMATE.start_main_~x~4 150), 79142#(<= ULTIMATE.start_main_~x~4 148), 79145#(<= ULTIMATE.start_main_~x~4 154), 79144#(<= ULTIMATE.start_main_~x~4 152), 79147#(<= ULTIMATE.start_main_~x~4 158), 79146#(<= ULTIMATE.start_main_~x~4 156), 79149#(<= ULTIMATE.start_main_~x~4 162), 79148#(<= ULTIMATE.start_main_~x~4 160), 79151#(<= ULTIMATE.start_main_~x~4 166), 79150#(<= ULTIMATE.start_main_~x~4 164), 79153#(<= ULTIMATE.start_main_~x~4 170), 79152#(<= ULTIMATE.start_main_~x~4 168), 79155#(<= ULTIMATE.start_main_~x~4 174), 79154#(<= ULTIMATE.start_main_~x~4 172), 79157#(<= ULTIMATE.start_main_~x~4 178), 79156#(<= ULTIMATE.start_main_~x~4 176), 79159#(<= ULTIMATE.start_main_~x~4 182), 79158#(<= ULTIMATE.start_main_~x~4 180), 79161#(<= ULTIMATE.start_main_~x~4 186), 79160#(<= ULTIMATE.start_main_~x~4 184), 79163#(<= ULTIMATE.start_main_~x~4 190), 79162#(<= ULTIMATE.start_main_~x~4 188), 79165#(<= ULTIMATE.start_main_~x~4 194), 79164#(<= ULTIMATE.start_main_~x~4 192), 79167#(<= ULTIMATE.start_main_~x~4 198), 79166#(<= ULTIMATE.start_main_~x~4 196), 79169#(<= ULTIMATE.start_main_~x~4 202), 79168#(<= ULTIMATE.start_main_~x~4 200), 79171#(<= ULTIMATE.start_main_~x~4 206), 79170#(<= ULTIMATE.start_main_~x~4 204), 79173#(<= ULTIMATE.start_main_~x~4 210), 79172#(<= ULTIMATE.start_main_~x~4 208), 79175#(<= ULTIMATE.start_main_~x~4 214), 79174#(<= ULTIMATE.start_main_~x~4 212), 79177#(<= ULTIMATE.start_main_~x~4 218), 79176#(<= ULTIMATE.start_main_~x~4 216), 79179#(<= ULTIMATE.start_main_~x~4 222), 79178#(<= ULTIMATE.start_main_~x~4 220), 79181#(<= ULTIMATE.start_main_~x~4 226), 79180#(<= ULTIMATE.start_main_~x~4 224), 79183#(<= ULTIMATE.start_main_~x~4 230), 79182#(<= ULTIMATE.start_main_~x~4 228), 79185#(<= ULTIMATE.start_main_~x~4 234), 79184#(<= ULTIMATE.start_main_~x~4 232), 79187#(<= ULTIMATE.start_main_~x~4 238), 79186#(<= ULTIMATE.start_main_~x~4 236), 79189#(<= ULTIMATE.start_main_~x~4 242), 79188#(<= ULTIMATE.start_main_~x~4 240), 79191#(<= ULTIMATE.start_main_~x~4 246), 79190#(<= ULTIMATE.start_main_~x~4 244), 79193#(<= ULTIMATE.start_main_~x~4 250), 79192#(<= ULTIMATE.start_main_~x~4 248), 79195#(<= ULTIMATE.start_main_~x~4 254), 79194#(<= ULTIMATE.start_main_~x~4 252), 79197#(<= ULTIMATE.start_main_~x~4 258), 79196#(<= ULTIMATE.start_main_~x~4 256), 79199#(<= ULTIMATE.start_main_~x~4 262), 79198#(<= ULTIMATE.start_main_~x~4 260), 79201#(<= ULTIMATE.start_main_~x~4 266), 79200#(<= ULTIMATE.start_main_~x~4 264), 79203#(<= ULTIMATE.start_main_~x~4 270), 79202#(<= ULTIMATE.start_main_~x~4 268), 79205#(<= ULTIMATE.start_main_~x~4 274), 79204#(<= ULTIMATE.start_main_~x~4 272), 79207#(<= ULTIMATE.start_main_~x~4 278), 79206#(<= ULTIMATE.start_main_~x~4 276), 79209#(<= ULTIMATE.start_main_~x~4 282), 79208#(<= ULTIMATE.start_main_~x~4 280), 79211#(<= ULTIMATE.start_main_~x~4 286), 79210#(<= ULTIMATE.start_main_~x~4 284), 79213#(<= ULTIMATE.start_main_~x~4 290), 79212#(<= ULTIMATE.start_main_~x~4 288), 79215#(<= ULTIMATE.start_main_~x~4 294), 79214#(<= ULTIMATE.start_main_~x~4 292), 79217#(<= ULTIMATE.start_main_~x~4 298), 79216#(<= ULTIMATE.start_main_~x~4 296), 79219#(<= ULTIMATE.start_main_~x~4 302), 79218#(<= ULTIMATE.start_main_~x~4 300), 79221#(<= ULTIMATE.start_main_~x~4 306), 79220#(<= ULTIMATE.start_main_~x~4 304), 79223#(<= ULTIMATE.start_main_~x~4 310), 79222#(<= ULTIMATE.start_main_~x~4 308), 79225#(<= ULTIMATE.start_main_~x~4 314), 79224#(<= ULTIMATE.start_main_~x~4 312), 79227#(<= ULTIMATE.start_main_~x~4 318), 79226#(<= ULTIMATE.start_main_~x~4 316), 79229#(<= ULTIMATE.start_main_~x~4 322), 79228#(<= ULTIMATE.start_main_~x~4 320), 79231#(<= ULTIMATE.start_main_~x~4 326), 79230#(<= ULTIMATE.start_main_~x~4 324), 79233#(<= ULTIMATE.start_main_~x~4 330), 79232#(<= ULTIMATE.start_main_~x~4 328), 79235#(<= ULTIMATE.start_main_~x~4 334), 79234#(<= ULTIMATE.start_main_~x~4 332), 79237#(<= ULTIMATE.start_main_~x~4 338), 79236#(<= ULTIMATE.start_main_~x~4 336), 79239#(<= ULTIMATE.start_main_~x~4 342), 79238#(<= ULTIMATE.start_main_~x~4 340), 79241#(<= ULTIMATE.start_main_~x~4 346), 79240#(<= ULTIMATE.start_main_~x~4 344), 79243#(<= ULTIMATE.start_main_~x~4 350), 79242#(<= ULTIMATE.start_main_~x~4 348), 79245#(<= ULTIMATE.start_main_~x~4 354), 79244#(<= ULTIMATE.start_main_~x~4 352), 79246#(<= ULTIMATE.start_main_~x~4 356), 79071#true, 79073#(<= ULTIMATE.start_main_~x~4 10), 79072#false, 79075#(<= ULTIMATE.start_main_~x~4 14), 79074#(<= ULTIMATE.start_main_~x~4 12), 79077#(<= ULTIMATE.start_main_~x~4 18), 79076#(<= ULTIMATE.start_main_~x~4 16), 79079#(<= ULTIMATE.start_main_~x~4 22), 79078#(<= ULTIMATE.start_main_~x~4 20), 79081#(<= ULTIMATE.start_main_~x~4 26), 79080#(<= ULTIMATE.start_main_~x~4 24), 79083#(<= ULTIMATE.start_main_~x~4 30), 79082#(<= ULTIMATE.start_main_~x~4 28), 79085#(<= ULTIMATE.start_main_~x~4 34), 79084#(<= ULTIMATE.start_main_~x~4 32), 79087#(<= ULTIMATE.start_main_~x~4 38), 79086#(<= ULTIMATE.start_main_~x~4 36), 79089#(<= ULTIMATE.start_main_~x~4 42), 79088#(<= ULTIMATE.start_main_~x~4 40), 79091#(<= ULTIMATE.start_main_~x~4 46), 79090#(<= ULTIMATE.start_main_~x~4 44), 79093#(<= ULTIMATE.start_main_~x~4 50), 79092#(<= ULTIMATE.start_main_~x~4 48), 79095#(<= ULTIMATE.start_main_~x~4 54), 79094#(<= ULTIMATE.start_main_~x~4 52), 79097#(<= ULTIMATE.start_main_~x~4 58), 79096#(<= ULTIMATE.start_main_~x~4 56), 79099#(<= ULTIMATE.start_main_~x~4 62), 79098#(<= ULTIMATE.start_main_~x~4 60), 79101#(<= ULTIMATE.start_main_~x~4 66), 79100#(<= ULTIMATE.start_main_~x~4 64), 79103#(<= ULTIMATE.start_main_~x~4 70), 79102#(<= ULTIMATE.start_main_~x~4 68)] [2018-07-23 13:42:46,443 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 13:42:46,443 INFO L450 AbstractCegarLoop]: Interpolant automaton has 176 states [2018-07-23 13:42:46,445 INFO L132 InterpolantAutomaton]: Constructing interpolant automaton starting with 176 interpolants. [2018-07-23 13:42:46,446 INFO L133 InterpolantAutomaton]: CoverageRelationStatistics Valid=15400, Invalid=15400, Unknown=0, NotChecked=0, Total=30800 [2018-07-23 13:42:46,447 INFO L87 Difference]: Start difference. First operand 177 states and 177 transitions. Second operand 176 states. [2018-07-23 13:42:46,946 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2018-07-23 13:42:46,946 INFO L93 Difference]: Finished difference Result 180 states and 180 transitions. [2018-07-23 13:42:46,947 INFO L142 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 176 states. [2018-07-23 13:42:46,947 INFO L78 Accepts]: Start accepts. Automaton has 176 states. Word has length 176 [2018-07-23 13:42:46,947 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2018-07-23 13:42:46,947 INFO L225 Difference]: With dead ends: 180 [2018-07-23 13:42:46,947 INFO L226 Difference]: Without dead ends: 178 [2018-07-23 13:42:46,949 INFO L575 BasicCegarLoop]: 0 DeclaredPredicates, 175 GetRequests, 1 SyntacticMatches, 0 SemanticMatches, 174 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 0 ImplicationChecksByTransitivity, 0.5s TimeCoverageRelationStatistics Valid=15400, Invalid=15400, Unknown=0, NotChecked=0, Total=30800 [2018-07-23 13:42:46,950 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 178 states. [2018-07-23 13:42:46,951 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 178 to 178. [2018-07-23 13:42:46,951 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 178 states. [2018-07-23 13:42:46,952 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 178 states to 178 states and 178 transitions. [2018-07-23 13:42:46,952 INFO L78 Accepts]: Start accepts. Automaton has 178 states and 178 transitions. Word has length 176 [2018-07-23 13:42:46,952 INFO L84 Accepts]: Finished accepts. word is rejected. [2018-07-23 13:42:46,952 INFO L471 AbstractCegarLoop]: Abstraction has 178 states and 178 transitions. [2018-07-23 13:42:46,952 INFO L472 AbstractCegarLoop]: Interpolant automaton has 176 states. [2018-07-23 13:42:46,952 INFO L276 IsEmpty]: Start isEmpty. Operand 178 states and 178 transitions. [2018-07-23 13:42:46,952 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 178 [2018-07-23 13:42:46,952 INFO L349 BasicCegarLoop]: Found error trace [2018-07-23 13:42:46,952 INFO L357 BasicCegarLoop]: trace histogram [174, 1, 1, 1] [2018-07-23 13:42:46,953 INFO L414 AbstractCegarLoop]: === Iteration 175 === [ULTIMATE.startErr0AssertViolationASSERT]=== [2018-07-23 13:42:46,953 INFO L82 PathProgramCache]: Analyzing trace with hash 2013580641, now seen corresponding path program 174 times [2018-07-23 13:42:46,953 INFO L69 tionRefinementEngine]: Using refinement strategy FixedRefinementStrategy [2018-07-23 13:42:46,968 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-07-23 13:42:47,645 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 13:42:47,645 INFO L309 seRefinementStrategy]: Constructing automaton from 0 perfect and 1 imperfect interpolant sequences. [2018-07-23 13:42:47,645 INFO L324 seRefinementStrategy]: Number of different interpolants: perfect sequences [] imperfect sequences [176] total 176 [2018-07-23 13:42:47,645 INFO L142 lantAutomatonBuilder]: Constructing canonical interpolant automaton, with selfloop in false state [2018-07-23 13:42:47,645 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 13:42:47,646 INFO L185 omatonBuilderFactory]: Interpolants [80129#(<= ULTIMATE.start_main_~x~4 338), 80128#(<= ULTIMATE.start_main_~x~4 336), 80131#(<= ULTIMATE.start_main_~x~4 342), 80130#(<= ULTIMATE.start_main_~x~4 340), 80133#(<= ULTIMATE.start_main_~x~4 346), 80132#(<= ULTIMATE.start_main_~x~4 344), 80135#(<= ULTIMATE.start_main_~x~4 350), 80134#(<= ULTIMATE.start_main_~x~4 348), 80137#(<= ULTIMATE.start_main_~x~4 354), 80136#(<= ULTIMATE.start_main_~x~4 352), 80139#(<= ULTIMATE.start_main_~x~4 358), 80138#(<= ULTIMATE.start_main_~x~4 356), 79963#true, 79965#(<= ULTIMATE.start_main_~x~4 10), 79964#false, 79967#(<= ULTIMATE.start_main_~x~4 14), 79966#(<= ULTIMATE.start_main_~x~4 12), 79969#(<= ULTIMATE.start_main_~x~4 18), 79968#(<= ULTIMATE.start_main_~x~4 16), 79971#(<= ULTIMATE.start_main_~x~4 22), 79970#(<= ULTIMATE.start_main_~x~4 20), 79973#(<= ULTIMATE.start_main_~x~4 26), 79972#(<= ULTIMATE.start_main_~x~4 24), 79975#(<= ULTIMATE.start_main_~x~4 30), 79974#(<= ULTIMATE.start_main_~x~4 28), 79977#(<= ULTIMATE.start_main_~x~4 34), 79976#(<= ULTIMATE.start_main_~x~4 32), 79979#(<= ULTIMATE.start_main_~x~4 38), 79978#(<= ULTIMATE.start_main_~x~4 36), 79981#(<= ULTIMATE.start_main_~x~4 42), 79980#(<= ULTIMATE.start_main_~x~4 40), 79983#(<= ULTIMATE.start_main_~x~4 46), 79982#(<= ULTIMATE.start_main_~x~4 44), 79985#(<= ULTIMATE.start_main_~x~4 50), 79984#(<= ULTIMATE.start_main_~x~4 48), 79987#(<= ULTIMATE.start_main_~x~4 54), 79986#(<= ULTIMATE.start_main_~x~4 52), 79989#(<= ULTIMATE.start_main_~x~4 58), 79988#(<= ULTIMATE.start_main_~x~4 56), 79991#(<= ULTIMATE.start_main_~x~4 62), 79990#(<= ULTIMATE.start_main_~x~4 60), 79993#(<= ULTIMATE.start_main_~x~4 66), 79992#(<= ULTIMATE.start_main_~x~4 64), 79995#(<= ULTIMATE.start_main_~x~4 70), 79994#(<= ULTIMATE.start_main_~x~4 68), 79997#(<= ULTIMATE.start_main_~x~4 74), 79996#(<= ULTIMATE.start_main_~x~4 72), 79999#(<= ULTIMATE.start_main_~x~4 78), 79998#(<= ULTIMATE.start_main_~x~4 76), 80001#(<= ULTIMATE.start_main_~x~4 82), 80000#(<= ULTIMATE.start_main_~x~4 80), 80003#(<= ULTIMATE.start_main_~x~4 86), 80002#(<= ULTIMATE.start_main_~x~4 84), 80005#(<= ULTIMATE.start_main_~x~4 90), 80004#(<= ULTIMATE.start_main_~x~4 88), 80007#(<= ULTIMATE.start_main_~x~4 94), 80006#(<= ULTIMATE.start_main_~x~4 92), 80009#(<= ULTIMATE.start_main_~x~4 98), 80008#(<= ULTIMATE.start_main_~x~4 96), 80011#(<= ULTIMATE.start_main_~x~4 102), 80010#(<= ULTIMATE.start_main_~x~4 100), 80013#(<= ULTIMATE.start_main_~x~4 106), 80012#(<= ULTIMATE.start_main_~x~4 104), 80015#(<= ULTIMATE.start_main_~x~4 110), 80014#(<= ULTIMATE.start_main_~x~4 108), 80017#(<= ULTIMATE.start_main_~x~4 114), 80016#(<= ULTIMATE.start_main_~x~4 112), 80019#(<= ULTIMATE.start_main_~x~4 118), 80018#(<= ULTIMATE.start_main_~x~4 116), 80021#(<= ULTIMATE.start_main_~x~4 122), 80020#(<= ULTIMATE.start_main_~x~4 120), 80023#(<= ULTIMATE.start_main_~x~4 126), 80022#(<= ULTIMATE.start_main_~x~4 124), 80025#(<= ULTIMATE.start_main_~x~4 130), 80024#(<= ULTIMATE.start_main_~x~4 128), 80027#(<= ULTIMATE.start_main_~x~4 134), 80026#(<= ULTIMATE.start_main_~x~4 132), 80029#(<= ULTIMATE.start_main_~x~4 138), 80028#(<= ULTIMATE.start_main_~x~4 136), 80031#(<= ULTIMATE.start_main_~x~4 142), 80030#(<= ULTIMATE.start_main_~x~4 140), 80033#(<= ULTIMATE.start_main_~x~4 146), 80032#(<= ULTIMATE.start_main_~x~4 144), 80035#(<= ULTIMATE.start_main_~x~4 150), 80034#(<= ULTIMATE.start_main_~x~4 148), 80037#(<= ULTIMATE.start_main_~x~4 154), 80036#(<= ULTIMATE.start_main_~x~4 152), 80039#(<= ULTIMATE.start_main_~x~4 158), 80038#(<= ULTIMATE.start_main_~x~4 156), 80041#(<= ULTIMATE.start_main_~x~4 162), 80040#(<= ULTIMATE.start_main_~x~4 160), 80043#(<= ULTIMATE.start_main_~x~4 166), 80042#(<= ULTIMATE.start_main_~x~4 164), 80045#(<= ULTIMATE.start_main_~x~4 170), 80044#(<= ULTIMATE.start_main_~x~4 168), 80047#(<= ULTIMATE.start_main_~x~4 174), 80046#(<= ULTIMATE.start_main_~x~4 172), 80049#(<= ULTIMATE.start_main_~x~4 178), 80048#(<= ULTIMATE.start_main_~x~4 176), 80051#(<= ULTIMATE.start_main_~x~4 182), 80050#(<= ULTIMATE.start_main_~x~4 180), 80053#(<= ULTIMATE.start_main_~x~4 186), 80052#(<= ULTIMATE.start_main_~x~4 184), 80055#(<= ULTIMATE.start_main_~x~4 190), 80054#(<= ULTIMATE.start_main_~x~4 188), 80057#(<= ULTIMATE.start_main_~x~4 194), 80056#(<= ULTIMATE.start_main_~x~4 192), 80059#(<= ULTIMATE.start_main_~x~4 198), 80058#(<= ULTIMATE.start_main_~x~4 196), 80061#(<= ULTIMATE.start_main_~x~4 202), 80060#(<= ULTIMATE.start_main_~x~4 200), 80063#(<= ULTIMATE.start_main_~x~4 206), 80062#(<= ULTIMATE.start_main_~x~4 204), 80065#(<= ULTIMATE.start_main_~x~4 210), 80064#(<= ULTIMATE.start_main_~x~4 208), 80067#(<= ULTIMATE.start_main_~x~4 214), 80066#(<= ULTIMATE.start_main_~x~4 212), 80069#(<= ULTIMATE.start_main_~x~4 218), 80068#(<= ULTIMATE.start_main_~x~4 216), 80071#(<= ULTIMATE.start_main_~x~4 222), 80070#(<= ULTIMATE.start_main_~x~4 220), 80073#(<= ULTIMATE.start_main_~x~4 226), 80072#(<= ULTIMATE.start_main_~x~4 224), 80075#(<= ULTIMATE.start_main_~x~4 230), 80074#(<= ULTIMATE.start_main_~x~4 228), 80077#(<= ULTIMATE.start_main_~x~4 234), 80076#(<= ULTIMATE.start_main_~x~4 232), 80079#(<= ULTIMATE.start_main_~x~4 238), 80078#(<= ULTIMATE.start_main_~x~4 236), 80081#(<= ULTIMATE.start_main_~x~4 242), 80080#(<= ULTIMATE.start_main_~x~4 240), 80083#(<= ULTIMATE.start_main_~x~4 246), 80082#(<= ULTIMATE.start_main_~x~4 244), 80085#(<= ULTIMATE.start_main_~x~4 250), 80084#(<= ULTIMATE.start_main_~x~4 248), 80087#(<= ULTIMATE.start_main_~x~4 254), 80086#(<= ULTIMATE.start_main_~x~4 252), 80089#(<= ULTIMATE.start_main_~x~4 258), 80088#(<= ULTIMATE.start_main_~x~4 256), 80091#(<= ULTIMATE.start_main_~x~4 262), 80090#(<= ULTIMATE.start_main_~x~4 260), 80093#(<= ULTIMATE.start_main_~x~4 266), 80092#(<= ULTIMATE.start_main_~x~4 264), 80095#(<= ULTIMATE.start_main_~x~4 270), 80094#(<= ULTIMATE.start_main_~x~4 268), 80097#(<= ULTIMATE.start_main_~x~4 274), 80096#(<= ULTIMATE.start_main_~x~4 272), 80099#(<= ULTIMATE.start_main_~x~4 278), 80098#(<= ULTIMATE.start_main_~x~4 276), 80101#(<= ULTIMATE.start_main_~x~4 282), 80100#(<= ULTIMATE.start_main_~x~4 280), 80103#(<= ULTIMATE.start_main_~x~4 286), 80102#(<= ULTIMATE.start_main_~x~4 284), 80105#(<= ULTIMATE.start_main_~x~4 290), 80104#(<= ULTIMATE.start_main_~x~4 288), 80107#(<= ULTIMATE.start_main_~x~4 294), 80106#(<= ULTIMATE.start_main_~x~4 292), 80109#(<= ULTIMATE.start_main_~x~4 298), 80108#(<= ULTIMATE.start_main_~x~4 296), 80111#(<= ULTIMATE.start_main_~x~4 302), 80110#(<= ULTIMATE.start_main_~x~4 300), 80113#(<= ULTIMATE.start_main_~x~4 306), 80112#(<= ULTIMATE.start_main_~x~4 304), 80115#(<= ULTIMATE.start_main_~x~4 310), 80114#(<= ULTIMATE.start_main_~x~4 308), 80117#(<= ULTIMATE.start_main_~x~4 314), 80116#(<= ULTIMATE.start_main_~x~4 312), 80119#(<= ULTIMATE.start_main_~x~4 318), 80118#(<= ULTIMATE.start_main_~x~4 316), 80121#(<= ULTIMATE.start_main_~x~4 322), 80120#(<= ULTIMATE.start_main_~x~4 320), 80123#(<= ULTIMATE.start_main_~x~4 326), 80122#(<= ULTIMATE.start_main_~x~4 324), 80125#(<= ULTIMATE.start_main_~x~4 330), 80124#(<= ULTIMATE.start_main_~x~4 328), 80127#(<= ULTIMATE.start_main_~x~4 334), 80126#(<= ULTIMATE.start_main_~x~4 332)] [2018-07-23 13:42:47,646 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 13:42:47,646 INFO L450 AbstractCegarLoop]: Interpolant automaton has 177 states [2018-07-23 13:42:47,648 INFO L132 InterpolantAutomaton]: Constructing interpolant automaton starting with 177 interpolants. [2018-07-23 13:42:47,649 INFO L133 InterpolantAutomaton]: CoverageRelationStatistics Valid=15576, Invalid=15576, Unknown=0, NotChecked=0, Total=31152 [2018-07-23 13:42:47,649 INFO L87 Difference]: Start difference. First operand 178 states and 178 transitions. Second operand 177 states. [2018-07-23 13:42:48,110 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2018-07-23 13:42:48,110 INFO L93 Difference]: Finished difference Result 181 states and 181 transitions. [2018-07-23 13:42:48,110 INFO L142 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 177 states. [2018-07-23 13:42:48,110 INFO L78 Accepts]: Start accepts. Automaton has 177 states. Word has length 177 [2018-07-23 13:42:48,110 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2018-07-23 13:42:48,111 INFO L225 Difference]: With dead ends: 181 [2018-07-23 13:42:48,111 INFO L226 Difference]: Without dead ends: 179 [2018-07-23 13:42:48,112 INFO L575 BasicCegarLoop]: 0 DeclaredPredicates, 176 GetRequests, 1 SyntacticMatches, 0 SemanticMatches, 175 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 0 ImplicationChecksByTransitivity, 0.6s TimeCoverageRelationStatistics Valid=15576, Invalid=15576, Unknown=0, NotChecked=0, Total=31152 [2018-07-23 13:42:48,112 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 179 states. [2018-07-23 13:42:48,114 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 179 to 179. [2018-07-23 13:42:48,114 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 179 states. [2018-07-23 13:42:48,114 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 179 states to 179 states and 179 transitions. [2018-07-23 13:42:48,114 INFO L78 Accepts]: Start accepts. Automaton has 179 states and 179 transitions. Word has length 177 [2018-07-23 13:42:48,114 INFO L84 Accepts]: Finished accepts. word is rejected. [2018-07-23 13:42:48,114 INFO L471 AbstractCegarLoop]: Abstraction has 179 states and 179 transitions. [2018-07-23 13:42:48,114 INFO L472 AbstractCegarLoop]: Interpolant automaton has 177 states. [2018-07-23 13:42:48,114 INFO L276 IsEmpty]: Start isEmpty. Operand 179 states and 179 transitions. [2018-07-23 13:42:48,115 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 179 [2018-07-23 13:42:48,115 INFO L349 BasicCegarLoop]: Found error trace [2018-07-23 13:42:48,115 INFO L357 BasicCegarLoop]: trace histogram [175, 1, 1, 1] [2018-07-23 13:42:48,115 INFO L414 AbstractCegarLoop]: === Iteration 176 === [ULTIMATE.startErr0AssertViolationASSERT]=== [2018-07-23 13:42:48,115 INFO L82 PathProgramCache]: Analyzing trace with hash -2003511544, now seen corresponding path program 175 times [2018-07-23 13:42:48,115 INFO L69 tionRefinementEngine]: Using refinement strategy FixedRefinementStrategy [2018-07-23 13:42:48,127 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-07-23 13:42:48,735 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 13:42:48,735 INFO L309 seRefinementStrategy]: Constructing automaton from 0 perfect and 1 imperfect interpolant sequences. [2018-07-23 13:42:48,735 INFO L324 seRefinementStrategy]: Number of different interpolants: perfect sequences [] imperfect sequences [177] total 177 [2018-07-23 13:42:48,735 INFO L142 lantAutomatonBuilder]: Constructing canonical interpolant automaton, with selfloop in false state [2018-07-23 13:42:48,735 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2018-07-23 13:42:48,736 INFO L185 omatonBuilderFactory]: Interpolants [80897#(<= ULTIMATE.start_main_~x~4 80), 80896#(<= ULTIMATE.start_main_~x~4 78), 80899#(<= ULTIMATE.start_main_~x~4 84), 80898#(<= ULTIMATE.start_main_~x~4 82), 80901#(<= ULTIMATE.start_main_~x~4 88), 80900#(<= ULTIMATE.start_main_~x~4 86), 80903#(<= ULTIMATE.start_main_~x~4 92), 80902#(<= ULTIMATE.start_main_~x~4 90), 80905#(<= ULTIMATE.start_main_~x~4 96), 80904#(<= ULTIMATE.start_main_~x~4 94), 80907#(<= ULTIMATE.start_main_~x~4 100), 80906#(<= ULTIMATE.start_main_~x~4 98), 80909#(<= ULTIMATE.start_main_~x~4 104), 80908#(<= ULTIMATE.start_main_~x~4 102), 80911#(<= ULTIMATE.start_main_~x~4 108), 80910#(<= ULTIMATE.start_main_~x~4 106), 80913#(<= ULTIMATE.start_main_~x~4 112), 80912#(<= ULTIMATE.start_main_~x~4 110), 80915#(<= ULTIMATE.start_main_~x~4 116), 80914#(<= ULTIMATE.start_main_~x~4 114), 80917#(<= ULTIMATE.start_main_~x~4 120), 80916#(<= ULTIMATE.start_main_~x~4 118), 80919#(<= ULTIMATE.start_main_~x~4 124), 80918#(<= ULTIMATE.start_main_~x~4 122), 80921#(<= ULTIMATE.start_main_~x~4 128), 80920#(<= ULTIMATE.start_main_~x~4 126), 80923#(<= ULTIMATE.start_main_~x~4 132), 80922#(<= ULTIMATE.start_main_~x~4 130), 80925#(<= ULTIMATE.start_main_~x~4 136), 80924#(<= ULTIMATE.start_main_~x~4 134), 80927#(<= ULTIMATE.start_main_~x~4 140), 80926#(<= ULTIMATE.start_main_~x~4 138), 80929#(<= ULTIMATE.start_main_~x~4 144), 80928#(<= ULTIMATE.start_main_~x~4 142), 80931#(<= ULTIMATE.start_main_~x~4 148), 80930#(<= ULTIMATE.start_main_~x~4 146), 80933#(<= ULTIMATE.start_main_~x~4 152), 80932#(<= ULTIMATE.start_main_~x~4 150), 80935#(<= ULTIMATE.start_main_~x~4 156), 80934#(<= ULTIMATE.start_main_~x~4 154), 80937#(<= ULTIMATE.start_main_~x~4 160), 80936#(<= ULTIMATE.start_main_~x~4 158), 80939#(<= ULTIMATE.start_main_~x~4 164), 80938#(<= ULTIMATE.start_main_~x~4 162), 80941#(<= ULTIMATE.start_main_~x~4 168), 80940#(<= ULTIMATE.start_main_~x~4 166), 80943#(<= ULTIMATE.start_main_~x~4 172), 80942#(<= ULTIMATE.start_main_~x~4 170), 80945#(<= ULTIMATE.start_main_~x~4 176), 80944#(<= ULTIMATE.start_main_~x~4 174), 80947#(<= ULTIMATE.start_main_~x~4 180), 80946#(<= ULTIMATE.start_main_~x~4 178), 80949#(<= ULTIMATE.start_main_~x~4 184), 80948#(<= ULTIMATE.start_main_~x~4 182), 80951#(<= ULTIMATE.start_main_~x~4 188), 80950#(<= ULTIMATE.start_main_~x~4 186), 80953#(<= ULTIMATE.start_main_~x~4 192), 80952#(<= ULTIMATE.start_main_~x~4 190), 80955#(<= ULTIMATE.start_main_~x~4 196), 80954#(<= ULTIMATE.start_main_~x~4 194), 80957#(<= ULTIMATE.start_main_~x~4 200), 80956#(<= ULTIMATE.start_main_~x~4 198), 80959#(<= ULTIMATE.start_main_~x~4 204), 80958#(<= ULTIMATE.start_main_~x~4 202), 80961#(<= ULTIMATE.start_main_~x~4 208), 80960#(<= ULTIMATE.start_main_~x~4 206), 80963#(<= ULTIMATE.start_main_~x~4 212), 80962#(<= ULTIMATE.start_main_~x~4 210), 80965#(<= ULTIMATE.start_main_~x~4 216), 80964#(<= ULTIMATE.start_main_~x~4 214), 80967#(<= ULTIMATE.start_main_~x~4 220), 80966#(<= ULTIMATE.start_main_~x~4 218), 80969#(<= ULTIMATE.start_main_~x~4 224), 80968#(<= ULTIMATE.start_main_~x~4 222), 80971#(<= ULTIMATE.start_main_~x~4 228), 80970#(<= ULTIMATE.start_main_~x~4 226), 80973#(<= ULTIMATE.start_main_~x~4 232), 80972#(<= ULTIMATE.start_main_~x~4 230), 80975#(<= ULTIMATE.start_main_~x~4 236), 80974#(<= ULTIMATE.start_main_~x~4 234), 80977#(<= ULTIMATE.start_main_~x~4 240), 80976#(<= ULTIMATE.start_main_~x~4 238), 80979#(<= ULTIMATE.start_main_~x~4 244), 80978#(<= ULTIMATE.start_main_~x~4 242), 80981#(<= ULTIMATE.start_main_~x~4 248), 80980#(<= ULTIMATE.start_main_~x~4 246), 80983#(<= ULTIMATE.start_main_~x~4 252), 80982#(<= ULTIMATE.start_main_~x~4 250), 80985#(<= ULTIMATE.start_main_~x~4 256), 80984#(<= ULTIMATE.start_main_~x~4 254), 80987#(<= ULTIMATE.start_main_~x~4 260), 80986#(<= ULTIMATE.start_main_~x~4 258), 80989#(<= ULTIMATE.start_main_~x~4 264), 80988#(<= ULTIMATE.start_main_~x~4 262), 80991#(<= ULTIMATE.start_main_~x~4 268), 80990#(<= ULTIMATE.start_main_~x~4 266), 80993#(<= ULTIMATE.start_main_~x~4 272), 80992#(<= ULTIMATE.start_main_~x~4 270), 80995#(<= ULTIMATE.start_main_~x~4 276), 80994#(<= ULTIMATE.start_main_~x~4 274), 80997#(<= ULTIMATE.start_main_~x~4 280), 80996#(<= ULTIMATE.start_main_~x~4 278), 80999#(<= ULTIMATE.start_main_~x~4 284), 80998#(<= ULTIMATE.start_main_~x~4 282), 81001#(<= ULTIMATE.start_main_~x~4 288), 81000#(<= ULTIMATE.start_main_~x~4 286), 81003#(<= ULTIMATE.start_main_~x~4 292), 81002#(<= ULTIMATE.start_main_~x~4 290), 81005#(<= ULTIMATE.start_main_~x~4 296), 81004#(<= ULTIMATE.start_main_~x~4 294), 81007#(<= ULTIMATE.start_main_~x~4 300), 81006#(<= ULTIMATE.start_main_~x~4 298), 81009#(<= ULTIMATE.start_main_~x~4 304), 81008#(<= ULTIMATE.start_main_~x~4 302), 81011#(<= ULTIMATE.start_main_~x~4 308), 81010#(<= ULTIMATE.start_main_~x~4 306), 81013#(<= ULTIMATE.start_main_~x~4 312), 81012#(<= ULTIMATE.start_main_~x~4 310), 81015#(<= ULTIMATE.start_main_~x~4 316), 81014#(<= ULTIMATE.start_main_~x~4 314), 81017#(<= ULTIMATE.start_main_~x~4 320), 81016#(<= ULTIMATE.start_main_~x~4 318), 81019#(<= ULTIMATE.start_main_~x~4 324), 81018#(<= ULTIMATE.start_main_~x~4 322), 81021#(<= ULTIMATE.start_main_~x~4 328), 81020#(<= ULTIMATE.start_main_~x~4 326), 81023#(<= ULTIMATE.start_main_~x~4 332), 81022#(<= ULTIMATE.start_main_~x~4 330), 81025#(<= ULTIMATE.start_main_~x~4 336), 81024#(<= ULTIMATE.start_main_~x~4 334), 81027#(<= ULTIMATE.start_main_~x~4 340), 81026#(<= ULTIMATE.start_main_~x~4 338), 81029#(<= ULTIMATE.start_main_~x~4 344), 81028#(<= ULTIMATE.start_main_~x~4 342), 81031#(<= ULTIMATE.start_main_~x~4 348), 81030#(<= ULTIMATE.start_main_~x~4 346), 81033#(<= ULTIMATE.start_main_~x~4 352), 81032#(<= ULTIMATE.start_main_~x~4 350), 81035#(<= ULTIMATE.start_main_~x~4 356), 81034#(<= ULTIMATE.start_main_~x~4 354), 81037#(<= ULTIMATE.start_main_~x~4 360), 81036#(<= ULTIMATE.start_main_~x~4 358), 80861#false, 80860#true, 80863#(<= ULTIMATE.start_main_~x~4 12), 80862#(<= ULTIMATE.start_main_~x~4 10), 80865#(<= ULTIMATE.start_main_~x~4 16), 80864#(<= ULTIMATE.start_main_~x~4 14), 80867#(<= ULTIMATE.start_main_~x~4 20), 80866#(<= ULTIMATE.start_main_~x~4 18), 80869#(<= ULTIMATE.start_main_~x~4 24), 80868#(<= ULTIMATE.start_main_~x~4 22), 80871#(<= ULTIMATE.start_main_~x~4 28), 80870#(<= ULTIMATE.start_main_~x~4 26), 80873#(<= ULTIMATE.start_main_~x~4 32), 80872#(<= ULTIMATE.start_main_~x~4 30), 80875#(<= ULTIMATE.start_main_~x~4 36), 80874#(<= ULTIMATE.start_main_~x~4 34), 80877#(<= ULTIMATE.start_main_~x~4 40), 80876#(<= ULTIMATE.start_main_~x~4 38), 80879#(<= ULTIMATE.start_main_~x~4 44), 80878#(<= ULTIMATE.start_main_~x~4 42), 80881#(<= ULTIMATE.start_main_~x~4 48), 80880#(<= ULTIMATE.start_main_~x~4 46), 80883#(<= ULTIMATE.start_main_~x~4 52), 80882#(<= ULTIMATE.start_main_~x~4 50), 80885#(<= ULTIMATE.start_main_~x~4 56), 80884#(<= ULTIMATE.start_main_~x~4 54), 80887#(<= ULTIMATE.start_main_~x~4 60), 80886#(<= ULTIMATE.start_main_~x~4 58), 80889#(<= ULTIMATE.start_main_~x~4 64), 80888#(<= ULTIMATE.start_main_~x~4 62), 80891#(<= ULTIMATE.start_main_~x~4 68), 80890#(<= ULTIMATE.start_main_~x~4 66), 80893#(<= ULTIMATE.start_main_~x~4 72), 80892#(<= ULTIMATE.start_main_~x~4 70), 80895#(<= ULTIMATE.start_main_~x~4 76), 80894#(<= ULTIMATE.start_main_~x~4 74)] [2018-07-23 13:42:48,737 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 13:42:48,737 INFO L450 AbstractCegarLoop]: Interpolant automaton has 178 states [2018-07-23 13:42:48,739 INFO L132 InterpolantAutomaton]: Constructing interpolant automaton starting with 178 interpolants. [2018-07-23 13:42:48,740 INFO L133 InterpolantAutomaton]: CoverageRelationStatistics Valid=15753, Invalid=15753, Unknown=0, NotChecked=0, Total=31506 [2018-07-23 13:42:48,741 INFO L87 Difference]: Start difference. First operand 179 states and 179 transitions. Second operand 178 states. [2018-07-23 13:42:49,247 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2018-07-23 13:42:49,247 INFO L93 Difference]: Finished difference Result 182 states and 182 transitions. [2018-07-23 13:42:49,247 INFO L142 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 178 states. [2018-07-23 13:42:49,247 INFO L78 Accepts]: Start accepts. Automaton has 178 states. Word has length 178 [2018-07-23 13:42:49,248 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2018-07-23 13:42:49,248 INFO L225 Difference]: With dead ends: 182 [2018-07-23 13:42:49,248 INFO L226 Difference]: Without dead ends: 180 [2018-07-23 13:42:49,250 INFO L575 BasicCegarLoop]: 0 DeclaredPredicates, 177 GetRequests, 1 SyntacticMatches, 0 SemanticMatches, 176 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 0 ImplicationChecksByTransitivity, 0.5s TimeCoverageRelationStatistics Valid=15753, Invalid=15753, Unknown=0, NotChecked=0, Total=31506 [2018-07-23 13:42:49,250 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 180 states. [2018-07-23 13:42:49,252 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 180 to 180. [2018-07-23 13:42:49,252 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 180 states. [2018-07-23 13:42:49,252 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 180 states to 180 states and 180 transitions. [2018-07-23 13:42:49,252 INFO L78 Accepts]: Start accepts. Automaton has 180 states and 180 transitions. Word has length 178 [2018-07-23 13:42:49,253 INFO L84 Accepts]: Finished accepts. word is rejected. [2018-07-23 13:42:49,253 INFO L471 AbstractCegarLoop]: Abstraction has 180 states and 180 transitions. [2018-07-23 13:42:49,253 INFO L472 AbstractCegarLoop]: Interpolant automaton has 178 states. [2018-07-23 13:42:49,253 INFO L276 IsEmpty]: Start isEmpty. Operand 180 states and 180 transitions. [2018-07-23 13:42:49,253 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 180 [2018-07-23 13:42:49,253 INFO L349 BasicCegarLoop]: Found error trace [2018-07-23 13:42:49,253 INFO L357 BasicCegarLoop]: trace histogram [176, 1, 1, 1] [2018-07-23 13:42:49,253 INFO L414 AbstractCegarLoop]: === Iteration 177 === [ULTIMATE.startErr0AssertViolationASSERT]=== [2018-07-23 13:42:49,253 INFO L82 PathProgramCache]: Analyzing trace with hash -1979317695, now seen corresponding path program 176 times [2018-07-23 13:42:49,254 INFO L69 tionRefinementEngine]: Using refinement strategy FixedRefinementStrategy [2018-07-23 13:42:49,267 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-07-23 13:42:49,899 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 13:42:49,899 INFO L309 seRefinementStrategy]: Constructing automaton from 0 perfect and 1 imperfect interpolant sequences. [2018-07-23 13:42:49,899 INFO L324 seRefinementStrategy]: Number of different interpolants: perfect sequences [] imperfect sequences [178] total 178 [2018-07-23 13:42:49,900 INFO L142 lantAutomatonBuilder]: Constructing canonical interpolant automaton, with selfloop in false state [2018-07-23 13:42:49,900 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 13:42:49,900 INFO L185 omatonBuilderFactory]: Interpolants [81921#(<= ULTIMATE.start_main_~x~4 324), 81920#(<= ULTIMATE.start_main_~x~4 322), 81923#(<= ULTIMATE.start_main_~x~4 328), 81922#(<= ULTIMATE.start_main_~x~4 326), 81925#(<= ULTIMATE.start_main_~x~4 332), 81924#(<= ULTIMATE.start_main_~x~4 330), 81927#(<= ULTIMATE.start_main_~x~4 336), 81926#(<= ULTIMATE.start_main_~x~4 334), 81929#(<= ULTIMATE.start_main_~x~4 340), 81928#(<= ULTIMATE.start_main_~x~4 338), 81931#(<= ULTIMATE.start_main_~x~4 344), 81930#(<= ULTIMATE.start_main_~x~4 342), 81933#(<= ULTIMATE.start_main_~x~4 348), 81932#(<= ULTIMATE.start_main_~x~4 346), 81935#(<= ULTIMATE.start_main_~x~4 352), 81934#(<= ULTIMATE.start_main_~x~4 350), 81937#(<= ULTIMATE.start_main_~x~4 356), 81936#(<= ULTIMATE.start_main_~x~4 354), 81939#(<= ULTIMATE.start_main_~x~4 360), 81938#(<= ULTIMATE.start_main_~x~4 358), 81940#(<= ULTIMATE.start_main_~x~4 362), 81763#false, 81762#true, 81765#(<= ULTIMATE.start_main_~x~4 12), 81764#(<= ULTIMATE.start_main_~x~4 10), 81767#(<= ULTIMATE.start_main_~x~4 16), 81766#(<= ULTIMATE.start_main_~x~4 14), 81769#(<= ULTIMATE.start_main_~x~4 20), 81768#(<= ULTIMATE.start_main_~x~4 18), 81771#(<= ULTIMATE.start_main_~x~4 24), 81770#(<= ULTIMATE.start_main_~x~4 22), 81773#(<= ULTIMATE.start_main_~x~4 28), 81772#(<= ULTIMATE.start_main_~x~4 26), 81775#(<= ULTIMATE.start_main_~x~4 32), 81774#(<= ULTIMATE.start_main_~x~4 30), 81777#(<= ULTIMATE.start_main_~x~4 36), 81776#(<= ULTIMATE.start_main_~x~4 34), 81779#(<= ULTIMATE.start_main_~x~4 40), 81778#(<= ULTIMATE.start_main_~x~4 38), 81781#(<= ULTIMATE.start_main_~x~4 44), 81780#(<= ULTIMATE.start_main_~x~4 42), 81783#(<= ULTIMATE.start_main_~x~4 48), 81782#(<= ULTIMATE.start_main_~x~4 46), 81785#(<= ULTIMATE.start_main_~x~4 52), 81784#(<= ULTIMATE.start_main_~x~4 50), 81787#(<= ULTIMATE.start_main_~x~4 56), 81786#(<= ULTIMATE.start_main_~x~4 54), 81789#(<= ULTIMATE.start_main_~x~4 60), 81788#(<= ULTIMATE.start_main_~x~4 58), 81791#(<= ULTIMATE.start_main_~x~4 64), 81790#(<= ULTIMATE.start_main_~x~4 62), 81793#(<= ULTIMATE.start_main_~x~4 68), 81792#(<= ULTIMATE.start_main_~x~4 66), 81795#(<= ULTIMATE.start_main_~x~4 72), 81794#(<= ULTIMATE.start_main_~x~4 70), 81797#(<= ULTIMATE.start_main_~x~4 76), 81796#(<= ULTIMATE.start_main_~x~4 74), 81799#(<= ULTIMATE.start_main_~x~4 80), 81798#(<= ULTIMATE.start_main_~x~4 78), 81801#(<= ULTIMATE.start_main_~x~4 84), 81800#(<= ULTIMATE.start_main_~x~4 82), 81803#(<= ULTIMATE.start_main_~x~4 88), 81802#(<= ULTIMATE.start_main_~x~4 86), 81805#(<= ULTIMATE.start_main_~x~4 92), 81804#(<= ULTIMATE.start_main_~x~4 90), 81807#(<= ULTIMATE.start_main_~x~4 96), 81806#(<= ULTIMATE.start_main_~x~4 94), 81809#(<= ULTIMATE.start_main_~x~4 100), 81808#(<= ULTIMATE.start_main_~x~4 98), 81811#(<= ULTIMATE.start_main_~x~4 104), 81810#(<= ULTIMATE.start_main_~x~4 102), 81813#(<= ULTIMATE.start_main_~x~4 108), 81812#(<= ULTIMATE.start_main_~x~4 106), 81815#(<= ULTIMATE.start_main_~x~4 112), 81814#(<= ULTIMATE.start_main_~x~4 110), 81817#(<= ULTIMATE.start_main_~x~4 116), 81816#(<= ULTIMATE.start_main_~x~4 114), 81819#(<= ULTIMATE.start_main_~x~4 120), 81818#(<= ULTIMATE.start_main_~x~4 118), 81821#(<= ULTIMATE.start_main_~x~4 124), 81820#(<= ULTIMATE.start_main_~x~4 122), 81823#(<= ULTIMATE.start_main_~x~4 128), 81822#(<= ULTIMATE.start_main_~x~4 126), 81825#(<= ULTIMATE.start_main_~x~4 132), 81824#(<= ULTIMATE.start_main_~x~4 130), 81827#(<= ULTIMATE.start_main_~x~4 136), 81826#(<= ULTIMATE.start_main_~x~4 134), 81829#(<= ULTIMATE.start_main_~x~4 140), 81828#(<= ULTIMATE.start_main_~x~4 138), 81831#(<= ULTIMATE.start_main_~x~4 144), 81830#(<= ULTIMATE.start_main_~x~4 142), 81833#(<= ULTIMATE.start_main_~x~4 148), 81832#(<= ULTIMATE.start_main_~x~4 146), 81835#(<= ULTIMATE.start_main_~x~4 152), 81834#(<= ULTIMATE.start_main_~x~4 150), 81837#(<= ULTIMATE.start_main_~x~4 156), 81836#(<= ULTIMATE.start_main_~x~4 154), 81839#(<= ULTIMATE.start_main_~x~4 160), 81838#(<= ULTIMATE.start_main_~x~4 158), 81841#(<= ULTIMATE.start_main_~x~4 164), 81840#(<= ULTIMATE.start_main_~x~4 162), 81843#(<= ULTIMATE.start_main_~x~4 168), 81842#(<= ULTIMATE.start_main_~x~4 166), 81845#(<= ULTIMATE.start_main_~x~4 172), 81844#(<= ULTIMATE.start_main_~x~4 170), 81847#(<= ULTIMATE.start_main_~x~4 176), 81846#(<= ULTIMATE.start_main_~x~4 174), 81849#(<= ULTIMATE.start_main_~x~4 180), 81848#(<= ULTIMATE.start_main_~x~4 178), 81851#(<= ULTIMATE.start_main_~x~4 184), 81850#(<= ULTIMATE.start_main_~x~4 182), 81853#(<= ULTIMATE.start_main_~x~4 188), 81852#(<= ULTIMATE.start_main_~x~4 186), 81855#(<= ULTIMATE.start_main_~x~4 192), 81854#(<= ULTIMATE.start_main_~x~4 190), 81857#(<= ULTIMATE.start_main_~x~4 196), 81856#(<= ULTIMATE.start_main_~x~4 194), 81859#(<= ULTIMATE.start_main_~x~4 200), 81858#(<= ULTIMATE.start_main_~x~4 198), 81861#(<= ULTIMATE.start_main_~x~4 204), 81860#(<= ULTIMATE.start_main_~x~4 202), 81863#(<= ULTIMATE.start_main_~x~4 208), 81862#(<= ULTIMATE.start_main_~x~4 206), 81865#(<= ULTIMATE.start_main_~x~4 212), 81864#(<= ULTIMATE.start_main_~x~4 210), 81867#(<= ULTIMATE.start_main_~x~4 216), 81866#(<= ULTIMATE.start_main_~x~4 214), 81869#(<= ULTIMATE.start_main_~x~4 220), 81868#(<= ULTIMATE.start_main_~x~4 218), 81871#(<= ULTIMATE.start_main_~x~4 224), 81870#(<= ULTIMATE.start_main_~x~4 222), 81873#(<= ULTIMATE.start_main_~x~4 228), 81872#(<= ULTIMATE.start_main_~x~4 226), 81875#(<= ULTIMATE.start_main_~x~4 232), 81874#(<= ULTIMATE.start_main_~x~4 230), 81877#(<= ULTIMATE.start_main_~x~4 236), 81876#(<= ULTIMATE.start_main_~x~4 234), 81879#(<= ULTIMATE.start_main_~x~4 240), 81878#(<= ULTIMATE.start_main_~x~4 238), 81881#(<= ULTIMATE.start_main_~x~4 244), 81880#(<= ULTIMATE.start_main_~x~4 242), 81883#(<= ULTIMATE.start_main_~x~4 248), 81882#(<= ULTIMATE.start_main_~x~4 246), 81885#(<= ULTIMATE.start_main_~x~4 252), 81884#(<= ULTIMATE.start_main_~x~4 250), 81887#(<= ULTIMATE.start_main_~x~4 256), 81886#(<= ULTIMATE.start_main_~x~4 254), 81889#(<= ULTIMATE.start_main_~x~4 260), 81888#(<= ULTIMATE.start_main_~x~4 258), 81891#(<= ULTIMATE.start_main_~x~4 264), 81890#(<= ULTIMATE.start_main_~x~4 262), 81893#(<= ULTIMATE.start_main_~x~4 268), 81892#(<= ULTIMATE.start_main_~x~4 266), 81895#(<= ULTIMATE.start_main_~x~4 272), 81894#(<= ULTIMATE.start_main_~x~4 270), 81897#(<= ULTIMATE.start_main_~x~4 276), 81896#(<= ULTIMATE.start_main_~x~4 274), 81899#(<= ULTIMATE.start_main_~x~4 280), 81898#(<= ULTIMATE.start_main_~x~4 278), 81901#(<= ULTIMATE.start_main_~x~4 284), 81900#(<= ULTIMATE.start_main_~x~4 282), 81903#(<= ULTIMATE.start_main_~x~4 288), 81902#(<= ULTIMATE.start_main_~x~4 286), 81905#(<= ULTIMATE.start_main_~x~4 292), 81904#(<= ULTIMATE.start_main_~x~4 290), 81907#(<= ULTIMATE.start_main_~x~4 296), 81906#(<= ULTIMATE.start_main_~x~4 294), 81909#(<= ULTIMATE.start_main_~x~4 300), 81908#(<= ULTIMATE.start_main_~x~4 298), 81911#(<= ULTIMATE.start_main_~x~4 304), 81910#(<= ULTIMATE.start_main_~x~4 302), 81913#(<= ULTIMATE.start_main_~x~4 308), 81912#(<= ULTIMATE.start_main_~x~4 306), 81915#(<= ULTIMATE.start_main_~x~4 312), 81914#(<= ULTIMATE.start_main_~x~4 310), 81917#(<= ULTIMATE.start_main_~x~4 316), 81916#(<= ULTIMATE.start_main_~x~4 314), 81919#(<= ULTIMATE.start_main_~x~4 320), 81918#(<= ULTIMATE.start_main_~x~4 318)] [2018-07-23 13:42:49,901 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 13:42:49,901 INFO L450 AbstractCegarLoop]: Interpolant automaton has 179 states [2018-07-23 13:42:49,903 INFO L132 InterpolantAutomaton]: Constructing interpolant automaton starting with 179 interpolants. [2018-07-23 13:42:49,905 INFO L133 InterpolantAutomaton]: CoverageRelationStatistics Valid=15931, Invalid=15931, Unknown=0, NotChecked=0, Total=31862 [2018-07-23 13:42:49,905 INFO L87 Difference]: Start difference. First operand 180 states and 180 transitions. Second operand 179 states. [2018-07-23 13:42:50,343 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2018-07-23 13:42:50,343 INFO L93 Difference]: Finished difference Result 183 states and 183 transitions. [2018-07-23 13:42:50,344 INFO L142 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 179 states. [2018-07-23 13:42:50,344 INFO L78 Accepts]: Start accepts. Automaton has 179 states. Word has length 179 [2018-07-23 13:42:50,344 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2018-07-23 13:42:50,344 INFO L225 Difference]: With dead ends: 183 [2018-07-23 13:42:50,344 INFO L226 Difference]: Without dead ends: 181 [2018-07-23 13:42:50,346 INFO L575 BasicCegarLoop]: 0 DeclaredPredicates, 178 GetRequests, 1 SyntacticMatches, 0 SemanticMatches, 177 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 0 ImplicationChecksByTransitivity, 0.5s TimeCoverageRelationStatistics Valid=15931, Invalid=15931, Unknown=0, NotChecked=0, Total=31862 [2018-07-23 13:42:50,347 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 181 states. [2018-07-23 13:42:50,348 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 181 to 181. [2018-07-23 13:42:50,348 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 181 states. [2018-07-23 13:42:50,349 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 181 states to 181 states and 181 transitions. [2018-07-23 13:42:50,349 INFO L78 Accepts]: Start accepts. Automaton has 181 states and 181 transitions. Word has length 179 [2018-07-23 13:42:50,349 INFO L84 Accepts]: Finished accepts. word is rejected. [2018-07-23 13:42:50,349 INFO L471 AbstractCegarLoop]: Abstraction has 181 states and 181 transitions. [2018-07-23 13:42:50,349 INFO L472 AbstractCegarLoop]: Interpolant automaton has 179 states. [2018-07-23 13:42:50,349 INFO L276 IsEmpty]: Start isEmpty. Operand 181 states and 181 transitions. [2018-07-23 13:42:50,350 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 181 [2018-07-23 13:42:50,350 INFO L349 BasicCegarLoop]: Found error trace [2018-07-23 13:42:50,350 INFO L357 BasicCegarLoop]: trace histogram [177, 1, 1, 1] [2018-07-23 13:42:50,350 INFO L414 AbstractCegarLoop]: === Iteration 178 === [ULTIMATE.startErr0AssertViolationASSERT]=== [2018-07-23 13:42:50,350 INFO L82 PathProgramCache]: Analyzing trace with hash -1229308376, now seen corresponding path program 177 times [2018-07-23 13:42:50,351 INFO L69 tionRefinementEngine]: Using refinement strategy FixedRefinementStrategy [2018-07-23 13:42:50,365 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-07-23 13:42:51,041 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 13:42:51,042 INFO L309 seRefinementStrategy]: Constructing automaton from 0 perfect and 1 imperfect interpolant sequences. [2018-07-23 13:42:51,042 INFO L324 seRefinementStrategy]: Number of different interpolants: perfect sequences [] imperfect sequences [179] total 179 [2018-07-23 13:42:51,042 INFO L142 lantAutomatonBuilder]: Constructing canonical interpolant automaton, with selfloop in false state [2018-07-23 13:42:51,042 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2018-07-23 13:42:51,042 INFO L185 omatonBuilderFactory]: Interpolants [82689#(<= ULTIMATE.start_main_~x~4 46), 82688#(<= ULTIMATE.start_main_~x~4 44), 82691#(<= ULTIMATE.start_main_~x~4 50), 82690#(<= ULTIMATE.start_main_~x~4 48), 82693#(<= ULTIMATE.start_main_~x~4 54), 82692#(<= ULTIMATE.start_main_~x~4 52), 82695#(<= ULTIMATE.start_main_~x~4 58), 82694#(<= ULTIMATE.start_main_~x~4 56), 82697#(<= ULTIMATE.start_main_~x~4 62), 82696#(<= ULTIMATE.start_main_~x~4 60), 82699#(<= ULTIMATE.start_main_~x~4 66), 82698#(<= ULTIMATE.start_main_~x~4 64), 82701#(<= ULTIMATE.start_main_~x~4 70), 82700#(<= ULTIMATE.start_main_~x~4 68), 82703#(<= ULTIMATE.start_main_~x~4 74), 82702#(<= ULTIMATE.start_main_~x~4 72), 82705#(<= ULTIMATE.start_main_~x~4 78), 82704#(<= ULTIMATE.start_main_~x~4 76), 82707#(<= ULTIMATE.start_main_~x~4 82), 82706#(<= ULTIMATE.start_main_~x~4 80), 82709#(<= ULTIMATE.start_main_~x~4 86), 82708#(<= ULTIMATE.start_main_~x~4 84), 82711#(<= ULTIMATE.start_main_~x~4 90), 82710#(<= ULTIMATE.start_main_~x~4 88), 82713#(<= ULTIMATE.start_main_~x~4 94), 82712#(<= ULTIMATE.start_main_~x~4 92), 82715#(<= ULTIMATE.start_main_~x~4 98), 82714#(<= ULTIMATE.start_main_~x~4 96), 82717#(<= ULTIMATE.start_main_~x~4 102), 82716#(<= ULTIMATE.start_main_~x~4 100), 82719#(<= ULTIMATE.start_main_~x~4 106), 82718#(<= ULTIMATE.start_main_~x~4 104), 82721#(<= ULTIMATE.start_main_~x~4 110), 82720#(<= ULTIMATE.start_main_~x~4 108), 82723#(<= ULTIMATE.start_main_~x~4 114), 82722#(<= ULTIMATE.start_main_~x~4 112), 82725#(<= ULTIMATE.start_main_~x~4 118), 82724#(<= ULTIMATE.start_main_~x~4 116), 82727#(<= ULTIMATE.start_main_~x~4 122), 82726#(<= ULTIMATE.start_main_~x~4 120), 82729#(<= ULTIMATE.start_main_~x~4 126), 82728#(<= ULTIMATE.start_main_~x~4 124), 82731#(<= ULTIMATE.start_main_~x~4 130), 82730#(<= ULTIMATE.start_main_~x~4 128), 82733#(<= ULTIMATE.start_main_~x~4 134), 82732#(<= ULTIMATE.start_main_~x~4 132), 82735#(<= ULTIMATE.start_main_~x~4 138), 82734#(<= ULTIMATE.start_main_~x~4 136), 82737#(<= ULTIMATE.start_main_~x~4 142), 82736#(<= ULTIMATE.start_main_~x~4 140), 82739#(<= ULTIMATE.start_main_~x~4 146), 82738#(<= ULTIMATE.start_main_~x~4 144), 82741#(<= ULTIMATE.start_main_~x~4 150), 82740#(<= ULTIMATE.start_main_~x~4 148), 82743#(<= ULTIMATE.start_main_~x~4 154), 82742#(<= ULTIMATE.start_main_~x~4 152), 82745#(<= ULTIMATE.start_main_~x~4 158), 82744#(<= ULTIMATE.start_main_~x~4 156), 82747#(<= ULTIMATE.start_main_~x~4 162), 82746#(<= ULTIMATE.start_main_~x~4 160), 82749#(<= ULTIMATE.start_main_~x~4 166), 82748#(<= ULTIMATE.start_main_~x~4 164), 82751#(<= ULTIMATE.start_main_~x~4 170), 82750#(<= ULTIMATE.start_main_~x~4 168), 82753#(<= ULTIMATE.start_main_~x~4 174), 82752#(<= ULTIMATE.start_main_~x~4 172), 82755#(<= ULTIMATE.start_main_~x~4 178), 82754#(<= ULTIMATE.start_main_~x~4 176), 82757#(<= ULTIMATE.start_main_~x~4 182), 82756#(<= ULTIMATE.start_main_~x~4 180), 82759#(<= ULTIMATE.start_main_~x~4 186), 82758#(<= ULTIMATE.start_main_~x~4 184), 82761#(<= ULTIMATE.start_main_~x~4 190), 82760#(<= ULTIMATE.start_main_~x~4 188), 82763#(<= ULTIMATE.start_main_~x~4 194), 82762#(<= ULTIMATE.start_main_~x~4 192), 82765#(<= ULTIMATE.start_main_~x~4 198), 82764#(<= ULTIMATE.start_main_~x~4 196), 82767#(<= ULTIMATE.start_main_~x~4 202), 82766#(<= ULTIMATE.start_main_~x~4 200), 82769#(<= ULTIMATE.start_main_~x~4 206), 82768#(<= ULTIMATE.start_main_~x~4 204), 82771#(<= ULTIMATE.start_main_~x~4 210), 82770#(<= ULTIMATE.start_main_~x~4 208), 82773#(<= ULTIMATE.start_main_~x~4 214), 82772#(<= ULTIMATE.start_main_~x~4 212), 82775#(<= ULTIMATE.start_main_~x~4 218), 82774#(<= ULTIMATE.start_main_~x~4 216), 82777#(<= ULTIMATE.start_main_~x~4 222), 82776#(<= ULTIMATE.start_main_~x~4 220), 82779#(<= ULTIMATE.start_main_~x~4 226), 82778#(<= ULTIMATE.start_main_~x~4 224), 82781#(<= ULTIMATE.start_main_~x~4 230), 82780#(<= ULTIMATE.start_main_~x~4 228), 82783#(<= ULTIMATE.start_main_~x~4 234), 82782#(<= ULTIMATE.start_main_~x~4 232), 82785#(<= ULTIMATE.start_main_~x~4 238), 82784#(<= ULTIMATE.start_main_~x~4 236), 82787#(<= ULTIMATE.start_main_~x~4 242), 82786#(<= ULTIMATE.start_main_~x~4 240), 82789#(<= ULTIMATE.start_main_~x~4 246), 82788#(<= ULTIMATE.start_main_~x~4 244), 82791#(<= ULTIMATE.start_main_~x~4 250), 82790#(<= ULTIMATE.start_main_~x~4 248), 82793#(<= ULTIMATE.start_main_~x~4 254), 82792#(<= ULTIMATE.start_main_~x~4 252), 82795#(<= ULTIMATE.start_main_~x~4 258), 82794#(<= ULTIMATE.start_main_~x~4 256), 82797#(<= ULTIMATE.start_main_~x~4 262), 82796#(<= ULTIMATE.start_main_~x~4 260), 82799#(<= ULTIMATE.start_main_~x~4 266), 82798#(<= ULTIMATE.start_main_~x~4 264), 82801#(<= ULTIMATE.start_main_~x~4 270), 82800#(<= ULTIMATE.start_main_~x~4 268), 82803#(<= ULTIMATE.start_main_~x~4 274), 82802#(<= ULTIMATE.start_main_~x~4 272), 82805#(<= ULTIMATE.start_main_~x~4 278), 82804#(<= ULTIMATE.start_main_~x~4 276), 82807#(<= ULTIMATE.start_main_~x~4 282), 82806#(<= ULTIMATE.start_main_~x~4 280), 82809#(<= ULTIMATE.start_main_~x~4 286), 82808#(<= ULTIMATE.start_main_~x~4 284), 82811#(<= ULTIMATE.start_main_~x~4 290), 82810#(<= ULTIMATE.start_main_~x~4 288), 82813#(<= ULTIMATE.start_main_~x~4 294), 82812#(<= ULTIMATE.start_main_~x~4 292), 82815#(<= ULTIMATE.start_main_~x~4 298), 82814#(<= ULTIMATE.start_main_~x~4 296), 82817#(<= ULTIMATE.start_main_~x~4 302), 82816#(<= ULTIMATE.start_main_~x~4 300), 82819#(<= ULTIMATE.start_main_~x~4 306), 82818#(<= ULTIMATE.start_main_~x~4 304), 82821#(<= ULTIMATE.start_main_~x~4 310), 82820#(<= ULTIMATE.start_main_~x~4 308), 82823#(<= ULTIMATE.start_main_~x~4 314), 82822#(<= ULTIMATE.start_main_~x~4 312), 82825#(<= ULTIMATE.start_main_~x~4 318), 82824#(<= ULTIMATE.start_main_~x~4 316), 82827#(<= ULTIMATE.start_main_~x~4 322), 82826#(<= ULTIMATE.start_main_~x~4 320), 82829#(<= ULTIMATE.start_main_~x~4 326), 82828#(<= ULTIMATE.start_main_~x~4 324), 82831#(<= ULTIMATE.start_main_~x~4 330), 82830#(<= ULTIMATE.start_main_~x~4 328), 82833#(<= ULTIMATE.start_main_~x~4 334), 82832#(<= ULTIMATE.start_main_~x~4 332), 82835#(<= ULTIMATE.start_main_~x~4 338), 82834#(<= ULTIMATE.start_main_~x~4 336), 82837#(<= ULTIMATE.start_main_~x~4 342), 82836#(<= ULTIMATE.start_main_~x~4 340), 82839#(<= ULTIMATE.start_main_~x~4 346), 82838#(<= ULTIMATE.start_main_~x~4 344), 82841#(<= ULTIMATE.start_main_~x~4 350), 82840#(<= ULTIMATE.start_main_~x~4 348), 82843#(<= ULTIMATE.start_main_~x~4 354), 82842#(<= ULTIMATE.start_main_~x~4 352), 82845#(<= ULTIMATE.start_main_~x~4 358), 82844#(<= ULTIMATE.start_main_~x~4 356), 82847#(<= ULTIMATE.start_main_~x~4 362), 82846#(<= ULTIMATE.start_main_~x~4 360), 82848#(<= ULTIMATE.start_main_~x~4 364), 82669#true, 82671#(<= ULTIMATE.start_main_~x~4 10), 82670#false, 82673#(<= ULTIMATE.start_main_~x~4 14), 82672#(<= ULTIMATE.start_main_~x~4 12), 82675#(<= ULTIMATE.start_main_~x~4 18), 82674#(<= ULTIMATE.start_main_~x~4 16), 82677#(<= ULTIMATE.start_main_~x~4 22), 82676#(<= ULTIMATE.start_main_~x~4 20), 82679#(<= ULTIMATE.start_main_~x~4 26), 82678#(<= ULTIMATE.start_main_~x~4 24), 82681#(<= ULTIMATE.start_main_~x~4 30), 82680#(<= ULTIMATE.start_main_~x~4 28), 82683#(<= ULTIMATE.start_main_~x~4 34), 82682#(<= ULTIMATE.start_main_~x~4 32), 82685#(<= ULTIMATE.start_main_~x~4 38), 82684#(<= ULTIMATE.start_main_~x~4 36), 82687#(<= ULTIMATE.start_main_~x~4 42), 82686#(<= ULTIMATE.start_main_~x~4 40)] [2018-07-23 13:42:51,043 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 13:42:51,044 INFO L450 AbstractCegarLoop]: Interpolant automaton has 180 states [2018-07-23 13:42:51,046 INFO L132 InterpolantAutomaton]: Constructing interpolant automaton starting with 180 interpolants. [2018-07-23 13:42:51,048 INFO L133 InterpolantAutomaton]: CoverageRelationStatistics Valid=16110, Invalid=16110, Unknown=0, NotChecked=0, Total=32220 [2018-07-23 13:42:51,048 INFO L87 Difference]: Start difference. First operand 181 states and 181 transitions. Second operand 180 states. [2018-07-23 13:42:51,684 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2018-07-23 13:42:51,684 INFO L93 Difference]: Finished difference Result 184 states and 184 transitions. [2018-07-23 13:42:51,684 INFO L142 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 180 states. [2018-07-23 13:42:51,684 INFO L78 Accepts]: Start accepts. Automaton has 180 states. Word has length 180 [2018-07-23 13:42:51,684 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2018-07-23 13:42:51,685 INFO L225 Difference]: With dead ends: 184 [2018-07-23 13:42:51,685 INFO L226 Difference]: Without dead ends: 182 [2018-07-23 13:42:51,687 INFO L575 BasicCegarLoop]: 0 DeclaredPredicates, 179 GetRequests, 1 SyntacticMatches, 0 SemanticMatches, 178 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 0 ImplicationChecksByTransitivity, 0.6s TimeCoverageRelationStatistics Valid=16110, Invalid=16110, Unknown=0, NotChecked=0, Total=32220 [2018-07-23 13:42:51,687 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 182 states. [2018-07-23 13:42:51,689 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 182 to 182. [2018-07-23 13:42:51,690 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 182 states. [2018-07-23 13:42:51,690 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 182 states to 182 states and 182 transitions. [2018-07-23 13:42:51,690 INFO L78 Accepts]: Start accepts. Automaton has 182 states and 182 transitions. Word has length 180 [2018-07-23 13:42:51,690 INFO L84 Accepts]: Finished accepts. word is rejected. [2018-07-23 13:42:51,690 INFO L471 AbstractCegarLoop]: Abstraction has 182 states and 182 transitions. [2018-07-23 13:42:51,690 INFO L472 AbstractCegarLoop]: Interpolant automaton has 180 states. [2018-07-23 13:42:51,690 INFO L276 IsEmpty]: Start isEmpty. Operand 182 states and 182 transitions. [2018-07-23 13:42:51,691 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 182 [2018-07-23 13:42:51,691 INFO L349 BasicCegarLoop]: Found error trace [2018-07-23 13:42:51,691 INFO L357 BasicCegarLoop]: trace histogram [178, 1, 1, 1] [2018-07-23 13:42:51,691 INFO L414 AbstractCegarLoop]: === Iteration 179 === [ULTIMATE.startErr0AssertViolationASSERT]=== [2018-07-23 13:42:51,691 INFO L82 PathProgramCache]: Analyzing trace with hash 546144033, now seen corresponding path program 178 times [2018-07-23 13:42:51,691 INFO L69 tionRefinementEngine]: Using refinement strategy FixedRefinementStrategy [2018-07-23 13:42:51,706 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-07-23 13:42:52,375 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 13:42:52,376 INFO L309 seRefinementStrategy]: Constructing automaton from 0 perfect and 1 imperfect interpolant sequences. [2018-07-23 13:42:52,376 INFO L324 seRefinementStrategy]: Number of different interpolants: perfect sequences [] imperfect sequences [180] total 180 [2018-07-23 13:42:52,376 INFO L142 lantAutomatonBuilder]: Constructing canonical interpolant automaton, with selfloop in false state [2018-07-23 13:42:52,376 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2018-07-23 13:42:52,376 INFO L185 omatonBuilderFactory]: Interpolants [83713#(<= ULTIMATE.start_main_~x~4 270), 83712#(<= ULTIMATE.start_main_~x~4 268), 83715#(<= ULTIMATE.start_main_~x~4 274), 83714#(<= ULTIMATE.start_main_~x~4 272), 83717#(<= ULTIMATE.start_main_~x~4 278), 83716#(<= ULTIMATE.start_main_~x~4 276), 83719#(<= ULTIMATE.start_main_~x~4 282), 83718#(<= ULTIMATE.start_main_~x~4 280), 83721#(<= ULTIMATE.start_main_~x~4 286), 83720#(<= ULTIMATE.start_main_~x~4 284), 83723#(<= ULTIMATE.start_main_~x~4 290), 83722#(<= ULTIMATE.start_main_~x~4 288), 83725#(<= ULTIMATE.start_main_~x~4 294), 83724#(<= ULTIMATE.start_main_~x~4 292), 83727#(<= ULTIMATE.start_main_~x~4 298), 83726#(<= ULTIMATE.start_main_~x~4 296), 83729#(<= ULTIMATE.start_main_~x~4 302), 83728#(<= ULTIMATE.start_main_~x~4 300), 83731#(<= ULTIMATE.start_main_~x~4 306), 83730#(<= ULTIMATE.start_main_~x~4 304), 83733#(<= ULTIMATE.start_main_~x~4 310), 83732#(<= ULTIMATE.start_main_~x~4 308), 83735#(<= ULTIMATE.start_main_~x~4 314), 83734#(<= ULTIMATE.start_main_~x~4 312), 83737#(<= ULTIMATE.start_main_~x~4 318), 83736#(<= ULTIMATE.start_main_~x~4 316), 83739#(<= ULTIMATE.start_main_~x~4 322), 83738#(<= ULTIMATE.start_main_~x~4 320), 83741#(<= ULTIMATE.start_main_~x~4 326), 83740#(<= ULTIMATE.start_main_~x~4 324), 83743#(<= ULTIMATE.start_main_~x~4 330), 83742#(<= ULTIMATE.start_main_~x~4 328), 83745#(<= ULTIMATE.start_main_~x~4 334), 83744#(<= ULTIMATE.start_main_~x~4 332), 83747#(<= ULTIMATE.start_main_~x~4 338), 83746#(<= ULTIMATE.start_main_~x~4 336), 83749#(<= ULTIMATE.start_main_~x~4 342), 83748#(<= ULTIMATE.start_main_~x~4 340), 83751#(<= ULTIMATE.start_main_~x~4 346), 83750#(<= ULTIMATE.start_main_~x~4 344), 83753#(<= ULTIMATE.start_main_~x~4 350), 83752#(<= ULTIMATE.start_main_~x~4 348), 83755#(<= ULTIMATE.start_main_~x~4 354), 83754#(<= ULTIMATE.start_main_~x~4 352), 83757#(<= ULTIMATE.start_main_~x~4 358), 83756#(<= ULTIMATE.start_main_~x~4 356), 83759#(<= ULTIMATE.start_main_~x~4 362), 83758#(<= ULTIMATE.start_main_~x~4 360), 83761#(<= ULTIMATE.start_main_~x~4 366), 83760#(<= ULTIMATE.start_main_~x~4 364), 83581#true, 83583#(<= ULTIMATE.start_main_~x~4 10), 83582#false, 83585#(<= ULTIMATE.start_main_~x~4 14), 83584#(<= ULTIMATE.start_main_~x~4 12), 83587#(<= ULTIMATE.start_main_~x~4 18), 83586#(<= ULTIMATE.start_main_~x~4 16), 83589#(<= ULTIMATE.start_main_~x~4 22), 83588#(<= ULTIMATE.start_main_~x~4 20), 83591#(<= ULTIMATE.start_main_~x~4 26), 83590#(<= ULTIMATE.start_main_~x~4 24), 83593#(<= ULTIMATE.start_main_~x~4 30), 83592#(<= ULTIMATE.start_main_~x~4 28), 83595#(<= ULTIMATE.start_main_~x~4 34), 83594#(<= ULTIMATE.start_main_~x~4 32), 83597#(<= ULTIMATE.start_main_~x~4 38), 83596#(<= ULTIMATE.start_main_~x~4 36), 83599#(<= ULTIMATE.start_main_~x~4 42), 83598#(<= ULTIMATE.start_main_~x~4 40), 83601#(<= ULTIMATE.start_main_~x~4 46), 83600#(<= ULTIMATE.start_main_~x~4 44), 83603#(<= ULTIMATE.start_main_~x~4 50), 83602#(<= ULTIMATE.start_main_~x~4 48), 83605#(<= ULTIMATE.start_main_~x~4 54), 83604#(<= ULTIMATE.start_main_~x~4 52), 83607#(<= ULTIMATE.start_main_~x~4 58), 83606#(<= ULTIMATE.start_main_~x~4 56), 83609#(<= ULTIMATE.start_main_~x~4 62), 83608#(<= ULTIMATE.start_main_~x~4 60), 83611#(<= ULTIMATE.start_main_~x~4 66), 83610#(<= ULTIMATE.start_main_~x~4 64), 83613#(<= ULTIMATE.start_main_~x~4 70), 83612#(<= ULTIMATE.start_main_~x~4 68), 83615#(<= ULTIMATE.start_main_~x~4 74), 83614#(<= ULTIMATE.start_main_~x~4 72), 83617#(<= ULTIMATE.start_main_~x~4 78), 83616#(<= ULTIMATE.start_main_~x~4 76), 83619#(<= ULTIMATE.start_main_~x~4 82), 83618#(<= ULTIMATE.start_main_~x~4 80), 83621#(<= ULTIMATE.start_main_~x~4 86), 83620#(<= ULTIMATE.start_main_~x~4 84), 83623#(<= ULTIMATE.start_main_~x~4 90), 83622#(<= ULTIMATE.start_main_~x~4 88), 83625#(<= ULTIMATE.start_main_~x~4 94), 83624#(<= ULTIMATE.start_main_~x~4 92), 83627#(<= ULTIMATE.start_main_~x~4 98), 83626#(<= ULTIMATE.start_main_~x~4 96), 83629#(<= ULTIMATE.start_main_~x~4 102), 83628#(<= ULTIMATE.start_main_~x~4 100), 83631#(<= ULTIMATE.start_main_~x~4 106), 83630#(<= ULTIMATE.start_main_~x~4 104), 83633#(<= ULTIMATE.start_main_~x~4 110), 83632#(<= ULTIMATE.start_main_~x~4 108), 83635#(<= ULTIMATE.start_main_~x~4 114), 83634#(<= ULTIMATE.start_main_~x~4 112), 83637#(<= ULTIMATE.start_main_~x~4 118), 83636#(<= ULTIMATE.start_main_~x~4 116), 83639#(<= ULTIMATE.start_main_~x~4 122), 83638#(<= ULTIMATE.start_main_~x~4 120), 83641#(<= ULTIMATE.start_main_~x~4 126), 83640#(<= ULTIMATE.start_main_~x~4 124), 83643#(<= ULTIMATE.start_main_~x~4 130), 83642#(<= ULTIMATE.start_main_~x~4 128), 83645#(<= ULTIMATE.start_main_~x~4 134), 83644#(<= ULTIMATE.start_main_~x~4 132), 83647#(<= ULTIMATE.start_main_~x~4 138), 83646#(<= ULTIMATE.start_main_~x~4 136), 83649#(<= ULTIMATE.start_main_~x~4 142), 83648#(<= ULTIMATE.start_main_~x~4 140), 83651#(<= ULTIMATE.start_main_~x~4 146), 83650#(<= ULTIMATE.start_main_~x~4 144), 83653#(<= ULTIMATE.start_main_~x~4 150), 83652#(<= ULTIMATE.start_main_~x~4 148), 83655#(<= ULTIMATE.start_main_~x~4 154), 83654#(<= ULTIMATE.start_main_~x~4 152), 83657#(<= ULTIMATE.start_main_~x~4 158), 83656#(<= ULTIMATE.start_main_~x~4 156), 83659#(<= ULTIMATE.start_main_~x~4 162), 83658#(<= ULTIMATE.start_main_~x~4 160), 83661#(<= ULTIMATE.start_main_~x~4 166), 83660#(<= ULTIMATE.start_main_~x~4 164), 83663#(<= ULTIMATE.start_main_~x~4 170), 83662#(<= ULTIMATE.start_main_~x~4 168), 83665#(<= ULTIMATE.start_main_~x~4 174), 83664#(<= ULTIMATE.start_main_~x~4 172), 83667#(<= ULTIMATE.start_main_~x~4 178), 83666#(<= ULTIMATE.start_main_~x~4 176), 83669#(<= ULTIMATE.start_main_~x~4 182), 83668#(<= ULTIMATE.start_main_~x~4 180), 83671#(<= ULTIMATE.start_main_~x~4 186), 83670#(<= ULTIMATE.start_main_~x~4 184), 83673#(<= ULTIMATE.start_main_~x~4 190), 83672#(<= ULTIMATE.start_main_~x~4 188), 83675#(<= ULTIMATE.start_main_~x~4 194), 83674#(<= ULTIMATE.start_main_~x~4 192), 83677#(<= ULTIMATE.start_main_~x~4 198), 83676#(<= ULTIMATE.start_main_~x~4 196), 83679#(<= ULTIMATE.start_main_~x~4 202), 83678#(<= ULTIMATE.start_main_~x~4 200), 83681#(<= ULTIMATE.start_main_~x~4 206), 83680#(<= ULTIMATE.start_main_~x~4 204), 83683#(<= ULTIMATE.start_main_~x~4 210), 83682#(<= ULTIMATE.start_main_~x~4 208), 83685#(<= ULTIMATE.start_main_~x~4 214), 83684#(<= ULTIMATE.start_main_~x~4 212), 83687#(<= ULTIMATE.start_main_~x~4 218), 83686#(<= ULTIMATE.start_main_~x~4 216), 83689#(<= ULTIMATE.start_main_~x~4 222), 83688#(<= ULTIMATE.start_main_~x~4 220), 83691#(<= ULTIMATE.start_main_~x~4 226), 83690#(<= ULTIMATE.start_main_~x~4 224), 83693#(<= ULTIMATE.start_main_~x~4 230), 83692#(<= ULTIMATE.start_main_~x~4 228), 83695#(<= ULTIMATE.start_main_~x~4 234), 83694#(<= ULTIMATE.start_main_~x~4 232), 83697#(<= ULTIMATE.start_main_~x~4 238), 83696#(<= ULTIMATE.start_main_~x~4 236), 83699#(<= ULTIMATE.start_main_~x~4 242), 83698#(<= ULTIMATE.start_main_~x~4 240), 83701#(<= ULTIMATE.start_main_~x~4 246), 83700#(<= ULTIMATE.start_main_~x~4 244), 83703#(<= ULTIMATE.start_main_~x~4 250), 83702#(<= ULTIMATE.start_main_~x~4 248), 83705#(<= ULTIMATE.start_main_~x~4 254), 83704#(<= ULTIMATE.start_main_~x~4 252), 83707#(<= ULTIMATE.start_main_~x~4 258), 83706#(<= ULTIMATE.start_main_~x~4 256), 83709#(<= ULTIMATE.start_main_~x~4 262), 83708#(<= ULTIMATE.start_main_~x~4 260), 83711#(<= ULTIMATE.start_main_~x~4 266), 83710#(<= ULTIMATE.start_main_~x~4 264)] [2018-07-23 13:42:52,377 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 13:42:52,377 INFO L450 AbstractCegarLoop]: Interpolant automaton has 181 states [2018-07-23 13:42:52,379 INFO L132 InterpolantAutomaton]: Constructing interpolant automaton starting with 181 interpolants. [2018-07-23 13:42:52,380 INFO L133 InterpolantAutomaton]: CoverageRelationStatistics Valid=16290, Invalid=16290, Unknown=0, NotChecked=0, Total=32580 [2018-07-23 13:42:52,380 INFO L87 Difference]: Start difference. First operand 182 states and 182 transitions. Second operand 181 states. [2018-07-23 13:42:52,659 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2018-07-23 13:42:52,659 INFO L93 Difference]: Finished difference Result 185 states and 185 transitions. [2018-07-23 13:42:52,659 INFO L142 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 181 states. [2018-07-23 13:42:52,659 INFO L78 Accepts]: Start accepts. Automaton has 181 states. Word has length 181 [2018-07-23 13:42:52,659 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2018-07-23 13:42:52,660 INFO L225 Difference]: With dead ends: 185 [2018-07-23 13:42:52,660 INFO L226 Difference]: Without dead ends: 183 [2018-07-23 13:42:52,661 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 13:42:52,661 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 183 states. [2018-07-23 13:42:52,663 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 183 to 183. [2018-07-23 13:42:52,663 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 183 states. [2018-07-23 13:42:52,663 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 183 states to 183 states and 183 transitions. [2018-07-23 13:42:52,663 INFO L78 Accepts]: Start accepts. Automaton has 183 states and 183 transitions. Word has length 181 [2018-07-23 13:42:52,664 INFO L84 Accepts]: Finished accepts. word is rejected. [2018-07-23 13:42:52,664 INFO L471 AbstractCegarLoop]: Abstraction has 183 states and 183 transitions. [2018-07-23 13:42:52,664 INFO L472 AbstractCegarLoop]: Interpolant automaton has 181 states. [2018-07-23 13:42:52,664 INFO L276 IsEmpty]: Start isEmpty. Operand 183 states and 183 transitions. [2018-07-23 13:42:52,664 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 183 [2018-07-23 13:42:52,665 INFO L349 BasicCegarLoop]: Found error trace [2018-07-23 13:42:52,665 INFO L357 BasicCegarLoop]: trace histogram [179, 1, 1, 1] [2018-07-23 13:42:52,665 INFO L414 AbstractCegarLoop]: === Iteration 180 === [ULTIMATE.startErr0AssertViolationASSERT]=== [2018-07-23 13:42:52,665 INFO L82 PathProgramCache]: Analyzing trace with hash -249406136, now seen corresponding path program 179 times [2018-07-23 13:42:52,665 INFO L69 tionRefinementEngine]: Using refinement strategy FixedRefinementStrategy [2018-07-23 13:42:52,677 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-07-23 13:42:53,324 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 13:42:53,325 INFO L309 seRefinementStrategy]: Constructing automaton from 0 perfect and 1 imperfect interpolant sequences. [2018-07-23 13:42:53,325 INFO L324 seRefinementStrategy]: Number of different interpolants: perfect sequences [] imperfect sequences [181] total 181 [2018-07-23 13:42:53,325 INFO L142 lantAutomatonBuilder]: Constructing canonical interpolant automaton, with selfloop in false state [2018-07-23 13:42:53,325 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2018-07-23 13:42:53,326 INFO L185 omatonBuilderFactory]: Interpolants [84499#false, 84498#true, 84501#(<= ULTIMATE.start_main_~x~4 12), 84500#(<= ULTIMATE.start_main_~x~4 10), 84503#(<= ULTIMATE.start_main_~x~4 16), 84502#(<= ULTIMATE.start_main_~x~4 14), 84505#(<= ULTIMATE.start_main_~x~4 20), 84504#(<= ULTIMATE.start_main_~x~4 18), 84507#(<= ULTIMATE.start_main_~x~4 24), 84506#(<= ULTIMATE.start_main_~x~4 22), 84509#(<= ULTIMATE.start_main_~x~4 28), 84508#(<= ULTIMATE.start_main_~x~4 26), 84511#(<= ULTIMATE.start_main_~x~4 32), 84510#(<= ULTIMATE.start_main_~x~4 30), 84513#(<= ULTIMATE.start_main_~x~4 36), 84512#(<= ULTIMATE.start_main_~x~4 34), 84515#(<= ULTIMATE.start_main_~x~4 40), 84514#(<= ULTIMATE.start_main_~x~4 38), 84517#(<= ULTIMATE.start_main_~x~4 44), 84516#(<= ULTIMATE.start_main_~x~4 42), 84519#(<= ULTIMATE.start_main_~x~4 48), 84518#(<= ULTIMATE.start_main_~x~4 46), 84521#(<= ULTIMATE.start_main_~x~4 52), 84520#(<= ULTIMATE.start_main_~x~4 50), 84523#(<= ULTIMATE.start_main_~x~4 56), 84522#(<= ULTIMATE.start_main_~x~4 54), 84525#(<= ULTIMATE.start_main_~x~4 60), 84524#(<= ULTIMATE.start_main_~x~4 58), 84527#(<= ULTIMATE.start_main_~x~4 64), 84526#(<= ULTIMATE.start_main_~x~4 62), 84529#(<= ULTIMATE.start_main_~x~4 68), 84528#(<= ULTIMATE.start_main_~x~4 66), 84531#(<= ULTIMATE.start_main_~x~4 72), 84530#(<= ULTIMATE.start_main_~x~4 70), 84533#(<= ULTIMATE.start_main_~x~4 76), 84532#(<= ULTIMATE.start_main_~x~4 74), 84535#(<= ULTIMATE.start_main_~x~4 80), 84534#(<= ULTIMATE.start_main_~x~4 78), 84537#(<= ULTIMATE.start_main_~x~4 84), 84536#(<= ULTIMATE.start_main_~x~4 82), 84539#(<= ULTIMATE.start_main_~x~4 88), 84538#(<= ULTIMATE.start_main_~x~4 86), 84541#(<= ULTIMATE.start_main_~x~4 92), 84540#(<= ULTIMATE.start_main_~x~4 90), 84543#(<= ULTIMATE.start_main_~x~4 96), 84542#(<= ULTIMATE.start_main_~x~4 94), 84545#(<= ULTIMATE.start_main_~x~4 100), 84544#(<= ULTIMATE.start_main_~x~4 98), 84547#(<= ULTIMATE.start_main_~x~4 104), 84546#(<= ULTIMATE.start_main_~x~4 102), 84549#(<= ULTIMATE.start_main_~x~4 108), 84548#(<= ULTIMATE.start_main_~x~4 106), 84551#(<= ULTIMATE.start_main_~x~4 112), 84550#(<= ULTIMATE.start_main_~x~4 110), 84553#(<= ULTIMATE.start_main_~x~4 116), 84552#(<= ULTIMATE.start_main_~x~4 114), 84555#(<= ULTIMATE.start_main_~x~4 120), 84554#(<= ULTIMATE.start_main_~x~4 118), 84557#(<= ULTIMATE.start_main_~x~4 124), 84556#(<= ULTIMATE.start_main_~x~4 122), 84559#(<= ULTIMATE.start_main_~x~4 128), 84558#(<= ULTIMATE.start_main_~x~4 126), 84561#(<= ULTIMATE.start_main_~x~4 132), 84560#(<= ULTIMATE.start_main_~x~4 130), 84563#(<= ULTIMATE.start_main_~x~4 136), 84562#(<= ULTIMATE.start_main_~x~4 134), 84565#(<= ULTIMATE.start_main_~x~4 140), 84564#(<= ULTIMATE.start_main_~x~4 138), 84567#(<= ULTIMATE.start_main_~x~4 144), 84566#(<= ULTIMATE.start_main_~x~4 142), 84569#(<= ULTIMATE.start_main_~x~4 148), 84568#(<= ULTIMATE.start_main_~x~4 146), 84571#(<= ULTIMATE.start_main_~x~4 152), 84570#(<= ULTIMATE.start_main_~x~4 150), 84573#(<= ULTIMATE.start_main_~x~4 156), 84572#(<= ULTIMATE.start_main_~x~4 154), 84575#(<= ULTIMATE.start_main_~x~4 160), 84574#(<= ULTIMATE.start_main_~x~4 158), 84577#(<= ULTIMATE.start_main_~x~4 164), 84576#(<= ULTIMATE.start_main_~x~4 162), 84579#(<= ULTIMATE.start_main_~x~4 168), 84578#(<= ULTIMATE.start_main_~x~4 166), 84581#(<= ULTIMATE.start_main_~x~4 172), 84580#(<= ULTIMATE.start_main_~x~4 170), 84583#(<= ULTIMATE.start_main_~x~4 176), 84582#(<= ULTIMATE.start_main_~x~4 174), 84585#(<= ULTIMATE.start_main_~x~4 180), 84584#(<= ULTIMATE.start_main_~x~4 178), 84587#(<= ULTIMATE.start_main_~x~4 184), 84586#(<= ULTIMATE.start_main_~x~4 182), 84589#(<= ULTIMATE.start_main_~x~4 188), 84588#(<= ULTIMATE.start_main_~x~4 186), 84591#(<= ULTIMATE.start_main_~x~4 192), 84590#(<= ULTIMATE.start_main_~x~4 190), 84593#(<= ULTIMATE.start_main_~x~4 196), 84592#(<= ULTIMATE.start_main_~x~4 194), 84595#(<= ULTIMATE.start_main_~x~4 200), 84594#(<= ULTIMATE.start_main_~x~4 198), 84597#(<= ULTIMATE.start_main_~x~4 204), 84596#(<= ULTIMATE.start_main_~x~4 202), 84599#(<= ULTIMATE.start_main_~x~4 208), 84598#(<= ULTIMATE.start_main_~x~4 206), 84601#(<= ULTIMATE.start_main_~x~4 212), 84600#(<= ULTIMATE.start_main_~x~4 210), 84603#(<= ULTIMATE.start_main_~x~4 216), 84602#(<= ULTIMATE.start_main_~x~4 214), 84605#(<= ULTIMATE.start_main_~x~4 220), 84604#(<= ULTIMATE.start_main_~x~4 218), 84607#(<= ULTIMATE.start_main_~x~4 224), 84606#(<= ULTIMATE.start_main_~x~4 222), 84609#(<= ULTIMATE.start_main_~x~4 228), 84608#(<= ULTIMATE.start_main_~x~4 226), 84611#(<= ULTIMATE.start_main_~x~4 232), 84610#(<= ULTIMATE.start_main_~x~4 230), 84613#(<= ULTIMATE.start_main_~x~4 236), 84612#(<= ULTIMATE.start_main_~x~4 234), 84615#(<= ULTIMATE.start_main_~x~4 240), 84614#(<= ULTIMATE.start_main_~x~4 238), 84617#(<= ULTIMATE.start_main_~x~4 244), 84616#(<= ULTIMATE.start_main_~x~4 242), 84619#(<= ULTIMATE.start_main_~x~4 248), 84618#(<= ULTIMATE.start_main_~x~4 246), 84621#(<= ULTIMATE.start_main_~x~4 252), 84620#(<= ULTIMATE.start_main_~x~4 250), 84623#(<= ULTIMATE.start_main_~x~4 256), 84622#(<= ULTIMATE.start_main_~x~4 254), 84625#(<= ULTIMATE.start_main_~x~4 260), 84624#(<= ULTIMATE.start_main_~x~4 258), 84627#(<= ULTIMATE.start_main_~x~4 264), 84626#(<= ULTIMATE.start_main_~x~4 262), 84629#(<= ULTIMATE.start_main_~x~4 268), 84628#(<= ULTIMATE.start_main_~x~4 266), 84631#(<= ULTIMATE.start_main_~x~4 272), 84630#(<= ULTIMATE.start_main_~x~4 270), 84633#(<= ULTIMATE.start_main_~x~4 276), 84632#(<= ULTIMATE.start_main_~x~4 274), 84635#(<= ULTIMATE.start_main_~x~4 280), 84634#(<= ULTIMATE.start_main_~x~4 278), 84637#(<= ULTIMATE.start_main_~x~4 284), 84636#(<= ULTIMATE.start_main_~x~4 282), 84639#(<= ULTIMATE.start_main_~x~4 288), 84638#(<= ULTIMATE.start_main_~x~4 286), 84641#(<= ULTIMATE.start_main_~x~4 292), 84640#(<= ULTIMATE.start_main_~x~4 290), 84643#(<= ULTIMATE.start_main_~x~4 296), 84642#(<= ULTIMATE.start_main_~x~4 294), 84645#(<= ULTIMATE.start_main_~x~4 300), 84644#(<= ULTIMATE.start_main_~x~4 298), 84647#(<= ULTIMATE.start_main_~x~4 304), 84646#(<= ULTIMATE.start_main_~x~4 302), 84649#(<= ULTIMATE.start_main_~x~4 308), 84648#(<= ULTIMATE.start_main_~x~4 306), 84651#(<= ULTIMATE.start_main_~x~4 312), 84650#(<= ULTIMATE.start_main_~x~4 310), 84653#(<= ULTIMATE.start_main_~x~4 316), 84652#(<= ULTIMATE.start_main_~x~4 314), 84655#(<= ULTIMATE.start_main_~x~4 320), 84654#(<= ULTIMATE.start_main_~x~4 318), 84657#(<= ULTIMATE.start_main_~x~4 324), 84656#(<= ULTIMATE.start_main_~x~4 322), 84659#(<= ULTIMATE.start_main_~x~4 328), 84658#(<= ULTIMATE.start_main_~x~4 326), 84661#(<= ULTIMATE.start_main_~x~4 332), 84660#(<= ULTIMATE.start_main_~x~4 330), 84663#(<= ULTIMATE.start_main_~x~4 336), 84662#(<= ULTIMATE.start_main_~x~4 334), 84665#(<= ULTIMATE.start_main_~x~4 340), 84664#(<= ULTIMATE.start_main_~x~4 338), 84667#(<= ULTIMATE.start_main_~x~4 344), 84666#(<= ULTIMATE.start_main_~x~4 342), 84669#(<= ULTIMATE.start_main_~x~4 348), 84668#(<= ULTIMATE.start_main_~x~4 346), 84671#(<= ULTIMATE.start_main_~x~4 352), 84670#(<= ULTIMATE.start_main_~x~4 350), 84673#(<= ULTIMATE.start_main_~x~4 356), 84672#(<= ULTIMATE.start_main_~x~4 354), 84675#(<= ULTIMATE.start_main_~x~4 360), 84674#(<= ULTIMATE.start_main_~x~4 358), 84677#(<= ULTIMATE.start_main_~x~4 364), 84676#(<= ULTIMATE.start_main_~x~4 362), 84679#(<= ULTIMATE.start_main_~x~4 368), 84678#(<= ULTIMATE.start_main_~x~4 366)] [2018-07-23 13:42:53,326 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 13:42:53,327 INFO L450 AbstractCegarLoop]: Interpolant automaton has 182 states [2018-07-23 13:42:53,329 INFO L132 InterpolantAutomaton]: Constructing interpolant automaton starting with 182 interpolants. [2018-07-23 13:42:53,330 INFO L133 InterpolantAutomaton]: CoverageRelationStatistics Valid=16471, Invalid=16471, Unknown=0, NotChecked=0, Total=32942 [2018-07-23 13:42:53,330 INFO L87 Difference]: Start difference. First operand 183 states and 183 transitions. Second operand 182 states. [2018-07-23 13:42:54,068 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2018-07-23 13:42:54,068 INFO L93 Difference]: Finished difference Result 186 states and 186 transitions. [2018-07-23 13:42:54,068 INFO L142 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 182 states. [2018-07-23 13:42:54,068 INFO L78 Accepts]: Start accepts. Automaton has 182 states. Word has length 182 [2018-07-23 13:42:54,068 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2018-07-23 13:42:54,069 INFO L225 Difference]: With dead ends: 186 [2018-07-23 13:42:54,069 INFO L226 Difference]: Without dead ends: 184 [2018-07-23 13:42:54,072 INFO L575 BasicCegarLoop]: 0 DeclaredPredicates, 181 GetRequests, 1 SyntacticMatches, 0 SemanticMatches, 180 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 0 ImplicationChecksByTransitivity, 0.5s TimeCoverageRelationStatistics Valid=16471, Invalid=16471, Unknown=0, NotChecked=0, Total=32942 [2018-07-23 13:42:54,072 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 184 states. [2018-07-23 13:42:54,074 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 184 to 184. [2018-07-23 13:42:54,074 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 184 states. [2018-07-23 13:42:54,074 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 184 states to 184 states and 184 transitions. [2018-07-23 13:42:54,075 INFO L78 Accepts]: Start accepts. Automaton has 184 states and 184 transitions. Word has length 182 [2018-07-23 13:42:54,075 INFO L84 Accepts]: Finished accepts. word is rejected. [2018-07-23 13:42:54,075 INFO L471 AbstractCegarLoop]: Abstraction has 184 states and 184 transitions. [2018-07-23 13:42:54,075 INFO L472 AbstractCegarLoop]: Interpolant automaton has 182 states. [2018-07-23 13:42:54,075 INFO L276 IsEmpty]: Start isEmpty. Operand 184 states and 184 transitions. [2018-07-23 13:42:54,075 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 184 [2018-07-23 13:42:54,075 INFO L349 BasicCegarLoop]: Found error trace [2018-07-23 13:42:54,075 INFO L357 BasicCegarLoop]: trace histogram [180, 1, 1, 1] [2018-07-23 13:42:54,075 INFO L414 AbstractCegarLoop]: === Iteration 181 === [ULTIMATE.startErr0AssertViolationASSERT]=== [2018-07-23 13:42:54,076 INFO L82 PathProgramCache]: Analyzing trace with hash 858342401, now seen corresponding path program 180 times [2018-07-23 13:42:54,076 INFO L69 tionRefinementEngine]: Using refinement strategy FixedRefinementStrategy [2018-07-23 13:42:54,089 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-07-23 13:42:54,759 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 13:42:54,759 INFO L309 seRefinementStrategy]: Constructing automaton from 0 perfect and 1 imperfect interpolant sequences. [2018-07-23 13:42:54,760 INFO L324 seRefinementStrategy]: Number of different interpolants: perfect sequences [] imperfect sequences [182] total 182 [2018-07-23 13:42:54,760 INFO L142 lantAutomatonBuilder]: Constructing canonical interpolant automaton, with selfloop in false state [2018-07-23 13:42:54,760 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2018-07-23 13:42:54,760 INFO L185 omatonBuilderFactory]: Interpolants [85505#(<= ULTIMATE.start_main_~x~4 176), 85504#(<= ULTIMATE.start_main_~x~4 174), 85507#(<= ULTIMATE.start_main_~x~4 180), 85506#(<= ULTIMATE.start_main_~x~4 178), 85509#(<= ULTIMATE.start_main_~x~4 184), 85508#(<= ULTIMATE.start_main_~x~4 182), 85511#(<= ULTIMATE.start_main_~x~4 188), 85510#(<= ULTIMATE.start_main_~x~4 186), 85513#(<= ULTIMATE.start_main_~x~4 192), 85512#(<= ULTIMATE.start_main_~x~4 190), 85515#(<= ULTIMATE.start_main_~x~4 196), 85514#(<= ULTIMATE.start_main_~x~4 194), 85517#(<= ULTIMATE.start_main_~x~4 200), 85516#(<= ULTIMATE.start_main_~x~4 198), 85519#(<= ULTIMATE.start_main_~x~4 204), 85518#(<= ULTIMATE.start_main_~x~4 202), 85521#(<= ULTIMATE.start_main_~x~4 208), 85520#(<= ULTIMATE.start_main_~x~4 206), 85523#(<= ULTIMATE.start_main_~x~4 212), 85522#(<= ULTIMATE.start_main_~x~4 210), 85525#(<= ULTIMATE.start_main_~x~4 216), 85524#(<= ULTIMATE.start_main_~x~4 214), 85527#(<= ULTIMATE.start_main_~x~4 220), 85526#(<= ULTIMATE.start_main_~x~4 218), 85529#(<= ULTIMATE.start_main_~x~4 224), 85528#(<= ULTIMATE.start_main_~x~4 222), 85531#(<= ULTIMATE.start_main_~x~4 228), 85530#(<= ULTIMATE.start_main_~x~4 226), 85533#(<= ULTIMATE.start_main_~x~4 232), 85532#(<= ULTIMATE.start_main_~x~4 230), 85535#(<= ULTIMATE.start_main_~x~4 236), 85534#(<= ULTIMATE.start_main_~x~4 234), 85537#(<= ULTIMATE.start_main_~x~4 240), 85536#(<= ULTIMATE.start_main_~x~4 238), 85539#(<= ULTIMATE.start_main_~x~4 244), 85538#(<= ULTIMATE.start_main_~x~4 242), 85541#(<= ULTIMATE.start_main_~x~4 248), 85540#(<= ULTIMATE.start_main_~x~4 246), 85543#(<= ULTIMATE.start_main_~x~4 252), 85542#(<= ULTIMATE.start_main_~x~4 250), 85545#(<= ULTIMATE.start_main_~x~4 256), 85544#(<= ULTIMATE.start_main_~x~4 254), 85547#(<= ULTIMATE.start_main_~x~4 260), 85546#(<= ULTIMATE.start_main_~x~4 258), 85549#(<= ULTIMATE.start_main_~x~4 264), 85548#(<= ULTIMATE.start_main_~x~4 262), 85551#(<= ULTIMATE.start_main_~x~4 268), 85550#(<= ULTIMATE.start_main_~x~4 266), 85553#(<= ULTIMATE.start_main_~x~4 272), 85552#(<= ULTIMATE.start_main_~x~4 270), 85555#(<= ULTIMATE.start_main_~x~4 276), 85554#(<= ULTIMATE.start_main_~x~4 274), 85557#(<= ULTIMATE.start_main_~x~4 280), 85556#(<= ULTIMATE.start_main_~x~4 278), 85559#(<= ULTIMATE.start_main_~x~4 284), 85558#(<= ULTIMATE.start_main_~x~4 282), 85561#(<= ULTIMATE.start_main_~x~4 288), 85560#(<= ULTIMATE.start_main_~x~4 286), 85563#(<= ULTIMATE.start_main_~x~4 292), 85562#(<= ULTIMATE.start_main_~x~4 290), 85565#(<= ULTIMATE.start_main_~x~4 296), 85564#(<= ULTIMATE.start_main_~x~4 294), 85567#(<= ULTIMATE.start_main_~x~4 300), 85566#(<= ULTIMATE.start_main_~x~4 298), 85569#(<= ULTIMATE.start_main_~x~4 304), 85568#(<= ULTIMATE.start_main_~x~4 302), 85571#(<= ULTIMATE.start_main_~x~4 308), 85570#(<= ULTIMATE.start_main_~x~4 306), 85573#(<= ULTIMATE.start_main_~x~4 312), 85572#(<= ULTIMATE.start_main_~x~4 310), 85575#(<= ULTIMATE.start_main_~x~4 316), 85574#(<= ULTIMATE.start_main_~x~4 314), 85577#(<= ULTIMATE.start_main_~x~4 320), 85576#(<= ULTIMATE.start_main_~x~4 318), 85579#(<= ULTIMATE.start_main_~x~4 324), 85578#(<= ULTIMATE.start_main_~x~4 322), 85581#(<= ULTIMATE.start_main_~x~4 328), 85580#(<= ULTIMATE.start_main_~x~4 326), 85583#(<= ULTIMATE.start_main_~x~4 332), 85582#(<= ULTIMATE.start_main_~x~4 330), 85585#(<= ULTIMATE.start_main_~x~4 336), 85584#(<= ULTIMATE.start_main_~x~4 334), 85587#(<= ULTIMATE.start_main_~x~4 340), 85586#(<= ULTIMATE.start_main_~x~4 338), 85589#(<= ULTIMATE.start_main_~x~4 344), 85588#(<= ULTIMATE.start_main_~x~4 342), 85591#(<= ULTIMATE.start_main_~x~4 348), 85590#(<= ULTIMATE.start_main_~x~4 346), 85593#(<= ULTIMATE.start_main_~x~4 352), 85592#(<= ULTIMATE.start_main_~x~4 350), 85595#(<= ULTIMATE.start_main_~x~4 356), 85594#(<= ULTIMATE.start_main_~x~4 354), 85597#(<= ULTIMATE.start_main_~x~4 360), 85596#(<= ULTIMATE.start_main_~x~4 358), 85599#(<= ULTIMATE.start_main_~x~4 364), 85598#(<= ULTIMATE.start_main_~x~4 362), 85601#(<= ULTIMATE.start_main_~x~4 368), 85600#(<= ULTIMATE.start_main_~x~4 366), 85602#(<= ULTIMATE.start_main_~x~4 370), 85421#false, 85420#true, 85423#(<= ULTIMATE.start_main_~x~4 12), 85422#(<= ULTIMATE.start_main_~x~4 10), 85425#(<= ULTIMATE.start_main_~x~4 16), 85424#(<= ULTIMATE.start_main_~x~4 14), 85427#(<= ULTIMATE.start_main_~x~4 20), 85426#(<= ULTIMATE.start_main_~x~4 18), 85429#(<= ULTIMATE.start_main_~x~4 24), 85428#(<= ULTIMATE.start_main_~x~4 22), 85431#(<= ULTIMATE.start_main_~x~4 28), 85430#(<= ULTIMATE.start_main_~x~4 26), 85433#(<= ULTIMATE.start_main_~x~4 32), 85432#(<= ULTIMATE.start_main_~x~4 30), 85435#(<= ULTIMATE.start_main_~x~4 36), 85434#(<= ULTIMATE.start_main_~x~4 34), 85437#(<= ULTIMATE.start_main_~x~4 40), 85436#(<= ULTIMATE.start_main_~x~4 38), 85439#(<= ULTIMATE.start_main_~x~4 44), 85438#(<= ULTIMATE.start_main_~x~4 42), 85441#(<= ULTIMATE.start_main_~x~4 48), 85440#(<= ULTIMATE.start_main_~x~4 46), 85443#(<= ULTIMATE.start_main_~x~4 52), 85442#(<= ULTIMATE.start_main_~x~4 50), 85445#(<= ULTIMATE.start_main_~x~4 56), 85444#(<= ULTIMATE.start_main_~x~4 54), 85447#(<= ULTIMATE.start_main_~x~4 60), 85446#(<= ULTIMATE.start_main_~x~4 58), 85449#(<= ULTIMATE.start_main_~x~4 64), 85448#(<= ULTIMATE.start_main_~x~4 62), 85451#(<= ULTIMATE.start_main_~x~4 68), 85450#(<= ULTIMATE.start_main_~x~4 66), 85453#(<= ULTIMATE.start_main_~x~4 72), 85452#(<= ULTIMATE.start_main_~x~4 70), 85455#(<= ULTIMATE.start_main_~x~4 76), 85454#(<= ULTIMATE.start_main_~x~4 74), 85457#(<= ULTIMATE.start_main_~x~4 80), 85456#(<= ULTIMATE.start_main_~x~4 78), 85459#(<= ULTIMATE.start_main_~x~4 84), 85458#(<= ULTIMATE.start_main_~x~4 82), 85461#(<= ULTIMATE.start_main_~x~4 88), 85460#(<= ULTIMATE.start_main_~x~4 86), 85463#(<= ULTIMATE.start_main_~x~4 92), 85462#(<= ULTIMATE.start_main_~x~4 90), 85465#(<= ULTIMATE.start_main_~x~4 96), 85464#(<= ULTIMATE.start_main_~x~4 94), 85467#(<= ULTIMATE.start_main_~x~4 100), 85466#(<= ULTIMATE.start_main_~x~4 98), 85469#(<= ULTIMATE.start_main_~x~4 104), 85468#(<= ULTIMATE.start_main_~x~4 102), 85471#(<= ULTIMATE.start_main_~x~4 108), 85470#(<= ULTIMATE.start_main_~x~4 106), 85473#(<= ULTIMATE.start_main_~x~4 112), 85472#(<= ULTIMATE.start_main_~x~4 110), 85475#(<= ULTIMATE.start_main_~x~4 116), 85474#(<= ULTIMATE.start_main_~x~4 114), 85477#(<= ULTIMATE.start_main_~x~4 120), 85476#(<= ULTIMATE.start_main_~x~4 118), 85479#(<= ULTIMATE.start_main_~x~4 124), 85478#(<= ULTIMATE.start_main_~x~4 122), 85481#(<= ULTIMATE.start_main_~x~4 128), 85480#(<= ULTIMATE.start_main_~x~4 126), 85483#(<= ULTIMATE.start_main_~x~4 132), 85482#(<= ULTIMATE.start_main_~x~4 130), 85485#(<= ULTIMATE.start_main_~x~4 136), 85484#(<= ULTIMATE.start_main_~x~4 134), 85487#(<= ULTIMATE.start_main_~x~4 140), 85486#(<= ULTIMATE.start_main_~x~4 138), 85489#(<= ULTIMATE.start_main_~x~4 144), 85488#(<= ULTIMATE.start_main_~x~4 142), 85491#(<= ULTIMATE.start_main_~x~4 148), 85490#(<= ULTIMATE.start_main_~x~4 146), 85493#(<= ULTIMATE.start_main_~x~4 152), 85492#(<= ULTIMATE.start_main_~x~4 150), 85495#(<= ULTIMATE.start_main_~x~4 156), 85494#(<= ULTIMATE.start_main_~x~4 154), 85497#(<= ULTIMATE.start_main_~x~4 160), 85496#(<= ULTIMATE.start_main_~x~4 158), 85499#(<= ULTIMATE.start_main_~x~4 164), 85498#(<= ULTIMATE.start_main_~x~4 162), 85501#(<= ULTIMATE.start_main_~x~4 168), 85500#(<= ULTIMATE.start_main_~x~4 166), 85503#(<= ULTIMATE.start_main_~x~4 172), 85502#(<= ULTIMATE.start_main_~x~4 170)] [2018-07-23 13:42:54,761 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 13:42:54,761 INFO L450 AbstractCegarLoop]: Interpolant automaton has 183 states [2018-07-23 13:42:54,763 INFO L132 InterpolantAutomaton]: Constructing interpolant automaton starting with 183 interpolants. [2018-07-23 13:42:54,765 INFO L133 InterpolantAutomaton]: CoverageRelationStatistics Valid=16653, Invalid=16653, Unknown=0, NotChecked=0, Total=33306 [2018-07-23 13:42:54,765 INFO L87 Difference]: Start difference. First operand 184 states and 184 transitions. Second operand 183 states. [2018-07-23 13:42:55,004 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2018-07-23 13:42:55,005 INFO L93 Difference]: Finished difference Result 187 states and 187 transitions. [2018-07-23 13:42:55,005 INFO L142 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 183 states. [2018-07-23 13:42:55,005 INFO L78 Accepts]: Start accepts. Automaton has 183 states. Word has length 183 [2018-07-23 13:42:55,005 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2018-07-23 13:42:55,005 INFO L225 Difference]: With dead ends: 187 [2018-07-23 13:42:55,006 INFO L226 Difference]: Without dead ends: 185 [2018-07-23 13:42:55,009 INFO L575 BasicCegarLoop]: 0 DeclaredPredicates, 182 GetRequests, 1 SyntacticMatches, 0 SemanticMatches, 181 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 0 ImplicationChecksByTransitivity, 0.6s TimeCoverageRelationStatistics Valid=16653, Invalid=16653, Unknown=0, NotChecked=0, Total=33306 [2018-07-23 13:42:55,009 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 185 states. [2018-07-23 13:42:55,011 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 185 to 185. [2018-07-23 13:42:55,011 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 185 states. [2018-07-23 13:42:55,011 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 185 states to 185 states and 185 transitions. [2018-07-23 13:42:55,011 INFO L78 Accepts]: Start accepts. Automaton has 185 states and 185 transitions. Word has length 183 [2018-07-23 13:42:55,011 INFO L84 Accepts]: Finished accepts. word is rejected. [2018-07-23 13:42:55,011 INFO L471 AbstractCegarLoop]: Abstraction has 185 states and 185 transitions. [2018-07-23 13:42:55,011 INFO L472 AbstractCegarLoop]: Interpolant automaton has 183 states. [2018-07-23 13:42:55,011 INFO L276 IsEmpty]: Start isEmpty. Operand 185 states and 185 transitions. [2018-07-23 13:42:55,012 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 185 [2018-07-23 13:42:55,012 INFO L349 BasicCegarLoop]: Found error trace [2018-07-23 13:42:55,012 INFO L357 BasicCegarLoop]: trace histogram [181, 1, 1, 1] [2018-07-23 13:42:55,012 INFO L414 AbstractCegarLoop]: === Iteration 182 === [ULTIMATE.startErr0AssertViolationASSERT]=== [2018-07-23 13:42:55,012 INFO L82 PathProgramCache]: Analyzing trace with hash 838808680, now seen corresponding path program 181 times [2018-07-23 13:42:55,012 INFO L69 tionRefinementEngine]: Using refinement strategy FixedRefinementStrategy [2018-07-23 13:42:55,026 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-07-23 13:42:55,725 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 13:42:55,725 INFO L309 seRefinementStrategy]: Constructing automaton from 0 perfect and 1 imperfect interpolant sequences. [2018-07-23 13:42:55,726 INFO L324 seRefinementStrategy]: Number of different interpolants: perfect sequences [] imperfect sequences [183] total 183 [2018-07-23 13:42:55,726 INFO L142 lantAutomatonBuilder]: Constructing canonical interpolant automaton, with selfloop in false state [2018-07-23 13:42:55,726 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2018-07-23 13:42:55,726 INFO L185 omatonBuilderFactory]: Interpolants [86529#(<= ULTIMATE.start_main_~x~4 370), 86528#(<= ULTIMATE.start_main_~x~4 368), 86530#(<= ULTIMATE.start_main_~x~4 372), 86347#true, 86349#(<= ULTIMATE.start_main_~x~4 10), 86348#false, 86351#(<= ULTIMATE.start_main_~x~4 14), 86350#(<= ULTIMATE.start_main_~x~4 12), 86353#(<= ULTIMATE.start_main_~x~4 18), 86352#(<= ULTIMATE.start_main_~x~4 16), 86355#(<= ULTIMATE.start_main_~x~4 22), 86354#(<= ULTIMATE.start_main_~x~4 20), 86357#(<= ULTIMATE.start_main_~x~4 26), 86356#(<= ULTIMATE.start_main_~x~4 24), 86359#(<= ULTIMATE.start_main_~x~4 30), 86358#(<= ULTIMATE.start_main_~x~4 28), 86361#(<= ULTIMATE.start_main_~x~4 34), 86360#(<= ULTIMATE.start_main_~x~4 32), 86363#(<= ULTIMATE.start_main_~x~4 38), 86362#(<= ULTIMATE.start_main_~x~4 36), 86365#(<= ULTIMATE.start_main_~x~4 42), 86364#(<= ULTIMATE.start_main_~x~4 40), 86367#(<= ULTIMATE.start_main_~x~4 46), 86366#(<= ULTIMATE.start_main_~x~4 44), 86369#(<= ULTIMATE.start_main_~x~4 50), 86368#(<= ULTIMATE.start_main_~x~4 48), 86371#(<= ULTIMATE.start_main_~x~4 54), 86370#(<= ULTIMATE.start_main_~x~4 52), 86373#(<= ULTIMATE.start_main_~x~4 58), 86372#(<= ULTIMATE.start_main_~x~4 56), 86375#(<= ULTIMATE.start_main_~x~4 62), 86374#(<= ULTIMATE.start_main_~x~4 60), 86377#(<= ULTIMATE.start_main_~x~4 66), 86376#(<= ULTIMATE.start_main_~x~4 64), 86379#(<= ULTIMATE.start_main_~x~4 70), 86378#(<= ULTIMATE.start_main_~x~4 68), 86381#(<= ULTIMATE.start_main_~x~4 74), 86380#(<= ULTIMATE.start_main_~x~4 72), 86383#(<= ULTIMATE.start_main_~x~4 78), 86382#(<= ULTIMATE.start_main_~x~4 76), 86385#(<= ULTIMATE.start_main_~x~4 82), 86384#(<= ULTIMATE.start_main_~x~4 80), 86387#(<= ULTIMATE.start_main_~x~4 86), 86386#(<= ULTIMATE.start_main_~x~4 84), 86389#(<= ULTIMATE.start_main_~x~4 90), 86388#(<= ULTIMATE.start_main_~x~4 88), 86391#(<= ULTIMATE.start_main_~x~4 94), 86390#(<= ULTIMATE.start_main_~x~4 92), 86393#(<= ULTIMATE.start_main_~x~4 98), 86392#(<= ULTIMATE.start_main_~x~4 96), 86395#(<= ULTIMATE.start_main_~x~4 102), 86394#(<= ULTIMATE.start_main_~x~4 100), 86397#(<= ULTIMATE.start_main_~x~4 106), 86396#(<= ULTIMATE.start_main_~x~4 104), 86399#(<= ULTIMATE.start_main_~x~4 110), 86398#(<= ULTIMATE.start_main_~x~4 108), 86401#(<= ULTIMATE.start_main_~x~4 114), 86400#(<= ULTIMATE.start_main_~x~4 112), 86403#(<= ULTIMATE.start_main_~x~4 118), 86402#(<= ULTIMATE.start_main_~x~4 116), 86405#(<= ULTIMATE.start_main_~x~4 122), 86404#(<= ULTIMATE.start_main_~x~4 120), 86407#(<= ULTIMATE.start_main_~x~4 126), 86406#(<= ULTIMATE.start_main_~x~4 124), 86409#(<= ULTIMATE.start_main_~x~4 130), 86408#(<= ULTIMATE.start_main_~x~4 128), 86411#(<= ULTIMATE.start_main_~x~4 134), 86410#(<= ULTIMATE.start_main_~x~4 132), 86413#(<= ULTIMATE.start_main_~x~4 138), 86412#(<= ULTIMATE.start_main_~x~4 136), 86415#(<= ULTIMATE.start_main_~x~4 142), 86414#(<= ULTIMATE.start_main_~x~4 140), 86417#(<= ULTIMATE.start_main_~x~4 146), 86416#(<= ULTIMATE.start_main_~x~4 144), 86419#(<= ULTIMATE.start_main_~x~4 150), 86418#(<= ULTIMATE.start_main_~x~4 148), 86421#(<= ULTIMATE.start_main_~x~4 154), 86420#(<= ULTIMATE.start_main_~x~4 152), 86423#(<= ULTIMATE.start_main_~x~4 158), 86422#(<= ULTIMATE.start_main_~x~4 156), 86425#(<= ULTIMATE.start_main_~x~4 162), 86424#(<= ULTIMATE.start_main_~x~4 160), 86427#(<= ULTIMATE.start_main_~x~4 166), 86426#(<= ULTIMATE.start_main_~x~4 164), 86429#(<= ULTIMATE.start_main_~x~4 170), 86428#(<= ULTIMATE.start_main_~x~4 168), 86431#(<= ULTIMATE.start_main_~x~4 174), 86430#(<= ULTIMATE.start_main_~x~4 172), 86433#(<= ULTIMATE.start_main_~x~4 178), 86432#(<= ULTIMATE.start_main_~x~4 176), 86435#(<= ULTIMATE.start_main_~x~4 182), 86434#(<= ULTIMATE.start_main_~x~4 180), 86437#(<= ULTIMATE.start_main_~x~4 186), 86436#(<= ULTIMATE.start_main_~x~4 184), 86439#(<= ULTIMATE.start_main_~x~4 190), 86438#(<= ULTIMATE.start_main_~x~4 188), 86441#(<= ULTIMATE.start_main_~x~4 194), 86440#(<= ULTIMATE.start_main_~x~4 192), 86443#(<= ULTIMATE.start_main_~x~4 198), 86442#(<= ULTIMATE.start_main_~x~4 196), 86445#(<= ULTIMATE.start_main_~x~4 202), 86444#(<= ULTIMATE.start_main_~x~4 200), 86447#(<= ULTIMATE.start_main_~x~4 206), 86446#(<= ULTIMATE.start_main_~x~4 204), 86449#(<= ULTIMATE.start_main_~x~4 210), 86448#(<= ULTIMATE.start_main_~x~4 208), 86451#(<= ULTIMATE.start_main_~x~4 214), 86450#(<= ULTIMATE.start_main_~x~4 212), 86453#(<= ULTIMATE.start_main_~x~4 218), 86452#(<= ULTIMATE.start_main_~x~4 216), 86455#(<= ULTIMATE.start_main_~x~4 222), 86454#(<= ULTIMATE.start_main_~x~4 220), 86457#(<= ULTIMATE.start_main_~x~4 226), 86456#(<= ULTIMATE.start_main_~x~4 224), 86459#(<= ULTIMATE.start_main_~x~4 230), 86458#(<= ULTIMATE.start_main_~x~4 228), 86461#(<= ULTIMATE.start_main_~x~4 234), 86460#(<= ULTIMATE.start_main_~x~4 232), 86463#(<= ULTIMATE.start_main_~x~4 238), 86462#(<= ULTIMATE.start_main_~x~4 236), 86465#(<= ULTIMATE.start_main_~x~4 242), 86464#(<= ULTIMATE.start_main_~x~4 240), 86467#(<= ULTIMATE.start_main_~x~4 246), 86466#(<= ULTIMATE.start_main_~x~4 244), 86469#(<= ULTIMATE.start_main_~x~4 250), 86468#(<= ULTIMATE.start_main_~x~4 248), 86471#(<= ULTIMATE.start_main_~x~4 254), 86470#(<= ULTIMATE.start_main_~x~4 252), 86473#(<= ULTIMATE.start_main_~x~4 258), 86472#(<= ULTIMATE.start_main_~x~4 256), 86475#(<= ULTIMATE.start_main_~x~4 262), 86474#(<= ULTIMATE.start_main_~x~4 260), 86477#(<= ULTIMATE.start_main_~x~4 266), 86476#(<= ULTIMATE.start_main_~x~4 264), 86479#(<= ULTIMATE.start_main_~x~4 270), 86478#(<= ULTIMATE.start_main_~x~4 268), 86481#(<= ULTIMATE.start_main_~x~4 274), 86480#(<= ULTIMATE.start_main_~x~4 272), 86483#(<= ULTIMATE.start_main_~x~4 278), 86482#(<= ULTIMATE.start_main_~x~4 276), 86485#(<= ULTIMATE.start_main_~x~4 282), 86484#(<= ULTIMATE.start_main_~x~4 280), 86487#(<= ULTIMATE.start_main_~x~4 286), 86486#(<= ULTIMATE.start_main_~x~4 284), 86489#(<= ULTIMATE.start_main_~x~4 290), 86488#(<= ULTIMATE.start_main_~x~4 288), 86491#(<= ULTIMATE.start_main_~x~4 294), 86490#(<= ULTIMATE.start_main_~x~4 292), 86493#(<= ULTIMATE.start_main_~x~4 298), 86492#(<= ULTIMATE.start_main_~x~4 296), 86495#(<= ULTIMATE.start_main_~x~4 302), 86494#(<= ULTIMATE.start_main_~x~4 300), 86497#(<= ULTIMATE.start_main_~x~4 306), 86496#(<= ULTIMATE.start_main_~x~4 304), 86499#(<= ULTIMATE.start_main_~x~4 310), 86498#(<= ULTIMATE.start_main_~x~4 308), 86501#(<= ULTIMATE.start_main_~x~4 314), 86500#(<= ULTIMATE.start_main_~x~4 312), 86503#(<= ULTIMATE.start_main_~x~4 318), 86502#(<= ULTIMATE.start_main_~x~4 316), 86505#(<= ULTIMATE.start_main_~x~4 322), 86504#(<= ULTIMATE.start_main_~x~4 320), 86507#(<= ULTIMATE.start_main_~x~4 326), 86506#(<= ULTIMATE.start_main_~x~4 324), 86509#(<= ULTIMATE.start_main_~x~4 330), 86508#(<= ULTIMATE.start_main_~x~4 328), 86511#(<= ULTIMATE.start_main_~x~4 334), 86510#(<= ULTIMATE.start_main_~x~4 332), 86513#(<= ULTIMATE.start_main_~x~4 338), 86512#(<= ULTIMATE.start_main_~x~4 336), 86515#(<= ULTIMATE.start_main_~x~4 342), 86514#(<= ULTIMATE.start_main_~x~4 340), 86517#(<= ULTIMATE.start_main_~x~4 346), 86516#(<= ULTIMATE.start_main_~x~4 344), 86519#(<= ULTIMATE.start_main_~x~4 350), 86518#(<= ULTIMATE.start_main_~x~4 348), 86521#(<= ULTIMATE.start_main_~x~4 354), 86520#(<= ULTIMATE.start_main_~x~4 352), 86523#(<= ULTIMATE.start_main_~x~4 358), 86522#(<= ULTIMATE.start_main_~x~4 356), 86525#(<= ULTIMATE.start_main_~x~4 362), 86524#(<= ULTIMATE.start_main_~x~4 360), 86527#(<= ULTIMATE.start_main_~x~4 366), 86526#(<= ULTIMATE.start_main_~x~4 364)] [2018-07-23 13:42:55,727 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 13:42:55,727 INFO L450 AbstractCegarLoop]: Interpolant automaton has 184 states [2018-07-23 13:42:55,729 INFO L132 InterpolantAutomaton]: Constructing interpolant automaton starting with 184 interpolants. [2018-07-23 13:42:55,731 INFO L133 InterpolantAutomaton]: CoverageRelationStatistics Valid=16836, Invalid=16836, Unknown=0, NotChecked=0, Total=33672 [2018-07-23 13:42:55,731 INFO L87 Difference]: Start difference. First operand 185 states and 185 transitions. Second operand 184 states. [2018-07-23 13:42:56,328 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2018-07-23 13:42:56,328 INFO L93 Difference]: Finished difference Result 188 states and 188 transitions. [2018-07-23 13:42:56,328 INFO L142 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 184 states. [2018-07-23 13:42:56,328 INFO L78 Accepts]: Start accepts. Automaton has 184 states. Word has length 184 [2018-07-23 13:42:56,328 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2018-07-23 13:42:56,329 INFO L225 Difference]: With dead ends: 188 [2018-07-23 13:42:56,329 INFO L226 Difference]: Without dead ends: 186 [2018-07-23 13:42:56,331 INFO L575 BasicCegarLoop]: 0 DeclaredPredicates, 183 GetRequests, 1 SyntacticMatches, 0 SemanticMatches, 182 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 0 ImplicationChecksByTransitivity, 0.6s TimeCoverageRelationStatistics Valid=16836, Invalid=16836, Unknown=0, NotChecked=0, Total=33672 [2018-07-23 13:42:56,331 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 186 states. [2018-07-23 13:42:56,333 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 186 to 186. [2018-07-23 13:42:56,333 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 186 states. [2018-07-23 13:42:56,333 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 186 states to 186 states and 186 transitions. [2018-07-23 13:42:56,333 INFO L78 Accepts]: Start accepts. Automaton has 186 states and 186 transitions. Word has length 184 [2018-07-23 13:42:56,333 INFO L84 Accepts]: Finished accepts. word is rejected. [2018-07-23 13:42:56,333 INFO L471 AbstractCegarLoop]: Abstraction has 186 states and 186 transitions. [2018-07-23 13:42:56,333 INFO L472 AbstractCegarLoop]: Interpolant automaton has 184 states. [2018-07-23 13:42:56,333 INFO L276 IsEmpty]: Start isEmpty. Operand 186 states and 186 transitions. [2018-07-23 13:42:56,334 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 186 [2018-07-23 13:42:56,334 INFO L349 BasicCegarLoop]: Found error trace [2018-07-23 13:42:56,334 INFO L357 BasicCegarLoop]: trace histogram [182, 1, 1, 1] [2018-07-23 13:42:56,334 INFO L414 AbstractCegarLoop]: === Iteration 183 === [ULTIMATE.startErr0AssertViolationASSERT]=== [2018-07-23 13:42:56,334 INFO L82 PathProgramCache]: Analyzing trace with hash 233263329, now seen corresponding path program 182 times [2018-07-23 13:42:56,334 INFO L69 tionRefinementEngine]: Using refinement strategy FixedRefinementStrategy [2018-07-23 13:42:56,349 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-07-23 13:42:57,041 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 13:42:57,041 INFO L309 seRefinementStrategy]: Constructing automaton from 0 perfect and 1 imperfect interpolant sequences. [2018-07-23 13:42:57,041 INFO L324 seRefinementStrategy]: Number of different interpolants: perfect sequences [] imperfect sequences [184] total 184 [2018-07-23 13:42:57,042 INFO L142 lantAutomatonBuilder]: Constructing canonical interpolant automaton, with selfloop in false state [2018-07-23 13:42:57,042 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2018-07-23 13:42:57,042 INFO L185 omatonBuilderFactory]: Interpolants [87297#(<= ULTIMATE.start_main_~x~4 42), 87296#(<= ULTIMATE.start_main_~x~4 40), 87299#(<= ULTIMATE.start_main_~x~4 46), 87298#(<= ULTIMATE.start_main_~x~4 44), 87301#(<= ULTIMATE.start_main_~x~4 50), 87300#(<= ULTIMATE.start_main_~x~4 48), 87303#(<= ULTIMATE.start_main_~x~4 54), 87302#(<= ULTIMATE.start_main_~x~4 52), 87305#(<= ULTIMATE.start_main_~x~4 58), 87304#(<= ULTIMATE.start_main_~x~4 56), 87307#(<= ULTIMATE.start_main_~x~4 62), 87306#(<= ULTIMATE.start_main_~x~4 60), 87309#(<= ULTIMATE.start_main_~x~4 66), 87308#(<= ULTIMATE.start_main_~x~4 64), 87311#(<= ULTIMATE.start_main_~x~4 70), 87310#(<= ULTIMATE.start_main_~x~4 68), 87313#(<= ULTIMATE.start_main_~x~4 74), 87312#(<= ULTIMATE.start_main_~x~4 72), 87315#(<= ULTIMATE.start_main_~x~4 78), 87314#(<= ULTIMATE.start_main_~x~4 76), 87317#(<= ULTIMATE.start_main_~x~4 82), 87316#(<= ULTIMATE.start_main_~x~4 80), 87319#(<= ULTIMATE.start_main_~x~4 86), 87318#(<= ULTIMATE.start_main_~x~4 84), 87321#(<= ULTIMATE.start_main_~x~4 90), 87320#(<= ULTIMATE.start_main_~x~4 88), 87323#(<= ULTIMATE.start_main_~x~4 94), 87322#(<= ULTIMATE.start_main_~x~4 92), 87325#(<= ULTIMATE.start_main_~x~4 98), 87324#(<= ULTIMATE.start_main_~x~4 96), 87327#(<= ULTIMATE.start_main_~x~4 102), 87326#(<= ULTIMATE.start_main_~x~4 100), 87329#(<= ULTIMATE.start_main_~x~4 106), 87328#(<= ULTIMATE.start_main_~x~4 104), 87331#(<= ULTIMATE.start_main_~x~4 110), 87330#(<= ULTIMATE.start_main_~x~4 108), 87333#(<= ULTIMATE.start_main_~x~4 114), 87332#(<= ULTIMATE.start_main_~x~4 112), 87335#(<= ULTIMATE.start_main_~x~4 118), 87334#(<= ULTIMATE.start_main_~x~4 116), 87337#(<= ULTIMATE.start_main_~x~4 122), 87336#(<= ULTIMATE.start_main_~x~4 120), 87339#(<= ULTIMATE.start_main_~x~4 126), 87338#(<= ULTIMATE.start_main_~x~4 124), 87341#(<= ULTIMATE.start_main_~x~4 130), 87340#(<= ULTIMATE.start_main_~x~4 128), 87343#(<= ULTIMATE.start_main_~x~4 134), 87342#(<= ULTIMATE.start_main_~x~4 132), 87345#(<= ULTIMATE.start_main_~x~4 138), 87344#(<= ULTIMATE.start_main_~x~4 136), 87347#(<= ULTIMATE.start_main_~x~4 142), 87346#(<= ULTIMATE.start_main_~x~4 140), 87349#(<= ULTIMATE.start_main_~x~4 146), 87348#(<= ULTIMATE.start_main_~x~4 144), 87351#(<= ULTIMATE.start_main_~x~4 150), 87350#(<= ULTIMATE.start_main_~x~4 148), 87353#(<= ULTIMATE.start_main_~x~4 154), 87352#(<= ULTIMATE.start_main_~x~4 152), 87355#(<= ULTIMATE.start_main_~x~4 158), 87354#(<= ULTIMATE.start_main_~x~4 156), 87357#(<= ULTIMATE.start_main_~x~4 162), 87356#(<= ULTIMATE.start_main_~x~4 160), 87359#(<= ULTIMATE.start_main_~x~4 166), 87358#(<= ULTIMATE.start_main_~x~4 164), 87361#(<= ULTIMATE.start_main_~x~4 170), 87360#(<= ULTIMATE.start_main_~x~4 168), 87363#(<= ULTIMATE.start_main_~x~4 174), 87362#(<= ULTIMATE.start_main_~x~4 172), 87365#(<= ULTIMATE.start_main_~x~4 178), 87364#(<= ULTIMATE.start_main_~x~4 176), 87367#(<= ULTIMATE.start_main_~x~4 182), 87366#(<= ULTIMATE.start_main_~x~4 180), 87369#(<= ULTIMATE.start_main_~x~4 186), 87368#(<= ULTIMATE.start_main_~x~4 184), 87371#(<= ULTIMATE.start_main_~x~4 190), 87370#(<= ULTIMATE.start_main_~x~4 188), 87373#(<= ULTIMATE.start_main_~x~4 194), 87372#(<= ULTIMATE.start_main_~x~4 192), 87375#(<= ULTIMATE.start_main_~x~4 198), 87374#(<= ULTIMATE.start_main_~x~4 196), 87377#(<= ULTIMATE.start_main_~x~4 202), 87376#(<= ULTIMATE.start_main_~x~4 200), 87379#(<= ULTIMATE.start_main_~x~4 206), 87378#(<= ULTIMATE.start_main_~x~4 204), 87381#(<= ULTIMATE.start_main_~x~4 210), 87380#(<= ULTIMATE.start_main_~x~4 208), 87383#(<= ULTIMATE.start_main_~x~4 214), 87382#(<= ULTIMATE.start_main_~x~4 212), 87385#(<= ULTIMATE.start_main_~x~4 218), 87384#(<= ULTIMATE.start_main_~x~4 216), 87387#(<= ULTIMATE.start_main_~x~4 222), 87386#(<= ULTIMATE.start_main_~x~4 220), 87389#(<= ULTIMATE.start_main_~x~4 226), 87388#(<= ULTIMATE.start_main_~x~4 224), 87391#(<= ULTIMATE.start_main_~x~4 230), 87390#(<= ULTIMATE.start_main_~x~4 228), 87393#(<= ULTIMATE.start_main_~x~4 234), 87392#(<= ULTIMATE.start_main_~x~4 232), 87395#(<= ULTIMATE.start_main_~x~4 238), 87394#(<= ULTIMATE.start_main_~x~4 236), 87397#(<= ULTIMATE.start_main_~x~4 242), 87396#(<= ULTIMATE.start_main_~x~4 240), 87399#(<= ULTIMATE.start_main_~x~4 246), 87398#(<= ULTIMATE.start_main_~x~4 244), 87401#(<= ULTIMATE.start_main_~x~4 250), 87400#(<= ULTIMATE.start_main_~x~4 248), 87403#(<= ULTIMATE.start_main_~x~4 254), 87402#(<= ULTIMATE.start_main_~x~4 252), 87405#(<= ULTIMATE.start_main_~x~4 258), 87404#(<= ULTIMATE.start_main_~x~4 256), 87407#(<= ULTIMATE.start_main_~x~4 262), 87406#(<= ULTIMATE.start_main_~x~4 260), 87409#(<= ULTIMATE.start_main_~x~4 266), 87408#(<= ULTIMATE.start_main_~x~4 264), 87411#(<= ULTIMATE.start_main_~x~4 270), 87410#(<= ULTIMATE.start_main_~x~4 268), 87413#(<= ULTIMATE.start_main_~x~4 274), 87412#(<= ULTIMATE.start_main_~x~4 272), 87415#(<= ULTIMATE.start_main_~x~4 278), 87414#(<= ULTIMATE.start_main_~x~4 276), 87417#(<= ULTIMATE.start_main_~x~4 282), 87416#(<= ULTIMATE.start_main_~x~4 280), 87419#(<= ULTIMATE.start_main_~x~4 286), 87418#(<= ULTIMATE.start_main_~x~4 284), 87421#(<= ULTIMATE.start_main_~x~4 290), 87420#(<= ULTIMATE.start_main_~x~4 288), 87423#(<= ULTIMATE.start_main_~x~4 294), 87422#(<= ULTIMATE.start_main_~x~4 292), 87425#(<= ULTIMATE.start_main_~x~4 298), 87424#(<= ULTIMATE.start_main_~x~4 296), 87427#(<= ULTIMATE.start_main_~x~4 302), 87426#(<= ULTIMATE.start_main_~x~4 300), 87429#(<= ULTIMATE.start_main_~x~4 306), 87428#(<= ULTIMATE.start_main_~x~4 304), 87431#(<= ULTIMATE.start_main_~x~4 310), 87430#(<= ULTIMATE.start_main_~x~4 308), 87433#(<= ULTIMATE.start_main_~x~4 314), 87432#(<= ULTIMATE.start_main_~x~4 312), 87435#(<= ULTIMATE.start_main_~x~4 318), 87434#(<= ULTIMATE.start_main_~x~4 316), 87437#(<= ULTIMATE.start_main_~x~4 322), 87436#(<= ULTIMATE.start_main_~x~4 320), 87439#(<= ULTIMATE.start_main_~x~4 326), 87438#(<= ULTIMATE.start_main_~x~4 324), 87441#(<= ULTIMATE.start_main_~x~4 330), 87440#(<= ULTIMATE.start_main_~x~4 328), 87443#(<= ULTIMATE.start_main_~x~4 334), 87442#(<= ULTIMATE.start_main_~x~4 332), 87445#(<= ULTIMATE.start_main_~x~4 338), 87444#(<= ULTIMATE.start_main_~x~4 336), 87447#(<= ULTIMATE.start_main_~x~4 342), 87446#(<= ULTIMATE.start_main_~x~4 340), 87449#(<= ULTIMATE.start_main_~x~4 346), 87448#(<= ULTIMATE.start_main_~x~4 344), 87451#(<= ULTIMATE.start_main_~x~4 350), 87450#(<= ULTIMATE.start_main_~x~4 348), 87453#(<= ULTIMATE.start_main_~x~4 354), 87452#(<= ULTIMATE.start_main_~x~4 352), 87455#(<= ULTIMATE.start_main_~x~4 358), 87454#(<= ULTIMATE.start_main_~x~4 356), 87457#(<= ULTIMATE.start_main_~x~4 362), 87456#(<= ULTIMATE.start_main_~x~4 360), 87459#(<= ULTIMATE.start_main_~x~4 366), 87458#(<= ULTIMATE.start_main_~x~4 364), 87461#(<= ULTIMATE.start_main_~x~4 370), 87460#(<= ULTIMATE.start_main_~x~4 368), 87463#(<= ULTIMATE.start_main_~x~4 374), 87462#(<= ULTIMATE.start_main_~x~4 372), 87279#true, 87281#(<= ULTIMATE.start_main_~x~4 10), 87280#false, 87283#(<= ULTIMATE.start_main_~x~4 14), 87282#(<= ULTIMATE.start_main_~x~4 12), 87285#(<= ULTIMATE.start_main_~x~4 18), 87284#(<= ULTIMATE.start_main_~x~4 16), 87287#(<= ULTIMATE.start_main_~x~4 22), 87286#(<= ULTIMATE.start_main_~x~4 20), 87289#(<= ULTIMATE.start_main_~x~4 26), 87288#(<= ULTIMATE.start_main_~x~4 24), 87291#(<= ULTIMATE.start_main_~x~4 30), 87290#(<= ULTIMATE.start_main_~x~4 28), 87293#(<= ULTIMATE.start_main_~x~4 34), 87292#(<= ULTIMATE.start_main_~x~4 32), 87295#(<= ULTIMATE.start_main_~x~4 38), 87294#(<= ULTIMATE.start_main_~x~4 36)] [2018-07-23 13:42:57,043 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 13:42:57,043 INFO L450 AbstractCegarLoop]: Interpolant automaton has 185 states [2018-07-23 13:42:57,045 INFO L132 InterpolantAutomaton]: Constructing interpolant automaton starting with 185 interpolants. [2018-07-23 13:42:57,047 INFO L133 InterpolantAutomaton]: CoverageRelationStatistics Valid=17020, Invalid=17020, Unknown=0, NotChecked=0, Total=34040 [2018-07-23 13:42:57,047 INFO L87 Difference]: Start difference. First operand 186 states and 186 transitions. Second operand 185 states. [2018-07-23 13:42:57,871 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2018-07-23 13:42:57,872 INFO L93 Difference]: Finished difference Result 189 states and 189 transitions. [2018-07-23 13:42:57,872 INFO L142 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 185 states. [2018-07-23 13:42:57,872 INFO L78 Accepts]: Start accepts. Automaton has 185 states. Word has length 185 [2018-07-23 13:42:57,872 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2018-07-23 13:42:57,873 INFO L225 Difference]: With dead ends: 189 [2018-07-23 13:42:57,873 INFO L226 Difference]: Without dead ends: 187 [2018-07-23 13:42:57,876 INFO L575 BasicCegarLoop]: 0 DeclaredPredicates, 184 GetRequests, 1 SyntacticMatches, 0 SemanticMatches, 183 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 0 ImplicationChecksByTransitivity, 0.6s TimeCoverageRelationStatistics Valid=17020, Invalid=17020, Unknown=0, NotChecked=0, Total=34040 [2018-07-23 13:42:57,876 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 187 states. [2018-07-23 13:42:57,878 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 187 to 187. [2018-07-23 13:42:57,878 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 187 states. [2018-07-23 13:42:57,878 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 187 states to 187 states and 187 transitions. [2018-07-23 13:42:57,879 INFO L78 Accepts]: Start accepts. Automaton has 187 states and 187 transitions. Word has length 185 [2018-07-23 13:42:57,879 INFO L84 Accepts]: Finished accepts. word is rejected. [2018-07-23 13:42:57,879 INFO L471 AbstractCegarLoop]: Abstraction has 187 states and 187 transitions. [2018-07-23 13:42:57,879 INFO L472 AbstractCegarLoop]: Interpolant automaton has 185 states. [2018-07-23 13:42:57,879 INFO L276 IsEmpty]: Start isEmpty. Operand 187 states and 187 transitions. [2018-07-23 13:42:57,879 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 187 [2018-07-23 13:42:57,879 INFO L349 BasicCegarLoop]: Found error trace [2018-07-23 13:42:57,879 INFO L357 BasicCegarLoop]: trace histogram [183, 1, 1, 1] [2018-07-23 13:42:57,880 INFO L414 AbstractCegarLoop]: === Iteration 184 === [ULTIMATE.startErr0AssertViolationASSERT]=== [2018-07-23 13:42:57,880 INFO L82 PathProgramCache]: Analyzing trace with hash -1358773368, now seen corresponding path program 183 times [2018-07-23 13:42:57,880 INFO L69 tionRefinementEngine]: Using refinement strategy FixedRefinementStrategy [2018-07-23 13:42:57,894 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-07-23 13:42:58,583 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 13:42:58,583 INFO L309 seRefinementStrategy]: Constructing automaton from 0 perfect and 1 imperfect interpolant sequences. [2018-07-23 13:42:58,583 INFO L324 seRefinementStrategy]: Number of different interpolants: perfect sequences [] imperfect sequences [185] total 185 [2018-07-23 13:42:58,584 INFO L142 lantAutomatonBuilder]: Constructing canonical interpolant automaton, with selfloop in false state [2018-07-23 13:42:58,584 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2018-07-23 13:42:58,584 INFO L185 omatonBuilderFactory]: Interpolants [88321#(<= ULTIMATE.start_main_~x~4 216), 88320#(<= ULTIMATE.start_main_~x~4 214), 88323#(<= ULTIMATE.start_main_~x~4 220), 88322#(<= ULTIMATE.start_main_~x~4 218), 88325#(<= ULTIMATE.start_main_~x~4 224), 88324#(<= ULTIMATE.start_main_~x~4 222), 88327#(<= ULTIMATE.start_main_~x~4 228), 88326#(<= ULTIMATE.start_main_~x~4 226), 88329#(<= ULTIMATE.start_main_~x~4 232), 88328#(<= ULTIMATE.start_main_~x~4 230), 88331#(<= ULTIMATE.start_main_~x~4 236), 88330#(<= ULTIMATE.start_main_~x~4 234), 88333#(<= ULTIMATE.start_main_~x~4 240), 88332#(<= ULTIMATE.start_main_~x~4 238), 88335#(<= ULTIMATE.start_main_~x~4 244), 88334#(<= ULTIMATE.start_main_~x~4 242), 88337#(<= ULTIMATE.start_main_~x~4 248), 88336#(<= ULTIMATE.start_main_~x~4 246), 88339#(<= ULTIMATE.start_main_~x~4 252), 88338#(<= ULTIMATE.start_main_~x~4 250), 88341#(<= ULTIMATE.start_main_~x~4 256), 88340#(<= ULTIMATE.start_main_~x~4 254), 88343#(<= ULTIMATE.start_main_~x~4 260), 88342#(<= ULTIMATE.start_main_~x~4 258), 88345#(<= ULTIMATE.start_main_~x~4 264), 88344#(<= ULTIMATE.start_main_~x~4 262), 88347#(<= ULTIMATE.start_main_~x~4 268), 88346#(<= ULTIMATE.start_main_~x~4 266), 88349#(<= ULTIMATE.start_main_~x~4 272), 88348#(<= ULTIMATE.start_main_~x~4 270), 88351#(<= ULTIMATE.start_main_~x~4 276), 88350#(<= ULTIMATE.start_main_~x~4 274), 88353#(<= ULTIMATE.start_main_~x~4 280), 88352#(<= ULTIMATE.start_main_~x~4 278), 88355#(<= ULTIMATE.start_main_~x~4 284), 88354#(<= ULTIMATE.start_main_~x~4 282), 88357#(<= ULTIMATE.start_main_~x~4 288), 88356#(<= ULTIMATE.start_main_~x~4 286), 88359#(<= ULTIMATE.start_main_~x~4 292), 88358#(<= ULTIMATE.start_main_~x~4 290), 88361#(<= ULTIMATE.start_main_~x~4 296), 88360#(<= ULTIMATE.start_main_~x~4 294), 88363#(<= ULTIMATE.start_main_~x~4 300), 88362#(<= ULTIMATE.start_main_~x~4 298), 88365#(<= ULTIMATE.start_main_~x~4 304), 88364#(<= ULTIMATE.start_main_~x~4 302), 88367#(<= ULTIMATE.start_main_~x~4 308), 88366#(<= ULTIMATE.start_main_~x~4 306), 88369#(<= ULTIMATE.start_main_~x~4 312), 88368#(<= ULTIMATE.start_main_~x~4 310), 88371#(<= ULTIMATE.start_main_~x~4 316), 88370#(<= ULTIMATE.start_main_~x~4 314), 88373#(<= ULTIMATE.start_main_~x~4 320), 88372#(<= ULTIMATE.start_main_~x~4 318), 88375#(<= ULTIMATE.start_main_~x~4 324), 88374#(<= ULTIMATE.start_main_~x~4 322), 88377#(<= ULTIMATE.start_main_~x~4 328), 88376#(<= ULTIMATE.start_main_~x~4 326), 88379#(<= ULTIMATE.start_main_~x~4 332), 88378#(<= ULTIMATE.start_main_~x~4 330), 88381#(<= ULTIMATE.start_main_~x~4 336), 88380#(<= ULTIMATE.start_main_~x~4 334), 88383#(<= ULTIMATE.start_main_~x~4 340), 88382#(<= ULTIMATE.start_main_~x~4 338), 88385#(<= ULTIMATE.start_main_~x~4 344), 88384#(<= ULTIMATE.start_main_~x~4 342), 88387#(<= ULTIMATE.start_main_~x~4 348), 88386#(<= ULTIMATE.start_main_~x~4 346), 88389#(<= ULTIMATE.start_main_~x~4 352), 88388#(<= ULTIMATE.start_main_~x~4 350), 88391#(<= ULTIMATE.start_main_~x~4 356), 88390#(<= ULTIMATE.start_main_~x~4 354), 88393#(<= ULTIMATE.start_main_~x~4 360), 88392#(<= ULTIMATE.start_main_~x~4 358), 88395#(<= ULTIMATE.start_main_~x~4 364), 88394#(<= ULTIMATE.start_main_~x~4 362), 88397#(<= ULTIMATE.start_main_~x~4 368), 88396#(<= ULTIMATE.start_main_~x~4 366), 88399#(<= ULTIMATE.start_main_~x~4 372), 88398#(<= ULTIMATE.start_main_~x~4 370), 88401#(<= ULTIMATE.start_main_~x~4 376), 88400#(<= ULTIMATE.start_main_~x~4 374), 88217#false, 88216#true, 88219#(<= ULTIMATE.start_main_~x~4 12), 88218#(<= ULTIMATE.start_main_~x~4 10), 88221#(<= ULTIMATE.start_main_~x~4 16), 88220#(<= ULTIMATE.start_main_~x~4 14), 88223#(<= ULTIMATE.start_main_~x~4 20), 88222#(<= ULTIMATE.start_main_~x~4 18), 88225#(<= ULTIMATE.start_main_~x~4 24), 88224#(<= ULTIMATE.start_main_~x~4 22), 88227#(<= ULTIMATE.start_main_~x~4 28), 88226#(<= ULTIMATE.start_main_~x~4 26), 88229#(<= ULTIMATE.start_main_~x~4 32), 88228#(<= ULTIMATE.start_main_~x~4 30), 88231#(<= ULTIMATE.start_main_~x~4 36), 88230#(<= ULTIMATE.start_main_~x~4 34), 88233#(<= ULTIMATE.start_main_~x~4 40), 88232#(<= ULTIMATE.start_main_~x~4 38), 88235#(<= ULTIMATE.start_main_~x~4 44), 88234#(<= ULTIMATE.start_main_~x~4 42), 88237#(<= ULTIMATE.start_main_~x~4 48), 88236#(<= ULTIMATE.start_main_~x~4 46), 88239#(<= ULTIMATE.start_main_~x~4 52), 88238#(<= ULTIMATE.start_main_~x~4 50), 88241#(<= ULTIMATE.start_main_~x~4 56), 88240#(<= ULTIMATE.start_main_~x~4 54), 88243#(<= ULTIMATE.start_main_~x~4 60), 88242#(<= ULTIMATE.start_main_~x~4 58), 88245#(<= ULTIMATE.start_main_~x~4 64), 88244#(<= ULTIMATE.start_main_~x~4 62), 88247#(<= ULTIMATE.start_main_~x~4 68), 88246#(<= ULTIMATE.start_main_~x~4 66), 88249#(<= ULTIMATE.start_main_~x~4 72), 88248#(<= ULTIMATE.start_main_~x~4 70), 88251#(<= ULTIMATE.start_main_~x~4 76), 88250#(<= ULTIMATE.start_main_~x~4 74), 88253#(<= ULTIMATE.start_main_~x~4 80), 88252#(<= ULTIMATE.start_main_~x~4 78), 88255#(<= ULTIMATE.start_main_~x~4 84), 88254#(<= ULTIMATE.start_main_~x~4 82), 88257#(<= ULTIMATE.start_main_~x~4 88), 88256#(<= ULTIMATE.start_main_~x~4 86), 88259#(<= ULTIMATE.start_main_~x~4 92), 88258#(<= ULTIMATE.start_main_~x~4 90), 88261#(<= ULTIMATE.start_main_~x~4 96), 88260#(<= ULTIMATE.start_main_~x~4 94), 88263#(<= ULTIMATE.start_main_~x~4 100), 88262#(<= ULTIMATE.start_main_~x~4 98), 88265#(<= ULTIMATE.start_main_~x~4 104), 88264#(<= ULTIMATE.start_main_~x~4 102), 88267#(<= ULTIMATE.start_main_~x~4 108), 88266#(<= ULTIMATE.start_main_~x~4 106), 88269#(<= ULTIMATE.start_main_~x~4 112), 88268#(<= ULTIMATE.start_main_~x~4 110), 88271#(<= ULTIMATE.start_main_~x~4 116), 88270#(<= ULTIMATE.start_main_~x~4 114), 88273#(<= ULTIMATE.start_main_~x~4 120), 88272#(<= ULTIMATE.start_main_~x~4 118), 88275#(<= ULTIMATE.start_main_~x~4 124), 88274#(<= ULTIMATE.start_main_~x~4 122), 88277#(<= ULTIMATE.start_main_~x~4 128), 88276#(<= ULTIMATE.start_main_~x~4 126), 88279#(<= ULTIMATE.start_main_~x~4 132), 88278#(<= ULTIMATE.start_main_~x~4 130), 88281#(<= ULTIMATE.start_main_~x~4 136), 88280#(<= ULTIMATE.start_main_~x~4 134), 88283#(<= ULTIMATE.start_main_~x~4 140), 88282#(<= ULTIMATE.start_main_~x~4 138), 88285#(<= ULTIMATE.start_main_~x~4 144), 88284#(<= ULTIMATE.start_main_~x~4 142), 88287#(<= ULTIMATE.start_main_~x~4 148), 88286#(<= ULTIMATE.start_main_~x~4 146), 88289#(<= ULTIMATE.start_main_~x~4 152), 88288#(<= ULTIMATE.start_main_~x~4 150), 88291#(<= ULTIMATE.start_main_~x~4 156), 88290#(<= ULTIMATE.start_main_~x~4 154), 88293#(<= ULTIMATE.start_main_~x~4 160), 88292#(<= ULTIMATE.start_main_~x~4 158), 88295#(<= ULTIMATE.start_main_~x~4 164), 88294#(<= ULTIMATE.start_main_~x~4 162), 88297#(<= ULTIMATE.start_main_~x~4 168), 88296#(<= ULTIMATE.start_main_~x~4 166), 88299#(<= ULTIMATE.start_main_~x~4 172), 88298#(<= ULTIMATE.start_main_~x~4 170), 88301#(<= ULTIMATE.start_main_~x~4 176), 88300#(<= ULTIMATE.start_main_~x~4 174), 88303#(<= ULTIMATE.start_main_~x~4 180), 88302#(<= ULTIMATE.start_main_~x~4 178), 88305#(<= ULTIMATE.start_main_~x~4 184), 88304#(<= ULTIMATE.start_main_~x~4 182), 88307#(<= ULTIMATE.start_main_~x~4 188), 88306#(<= ULTIMATE.start_main_~x~4 186), 88309#(<= ULTIMATE.start_main_~x~4 192), 88308#(<= ULTIMATE.start_main_~x~4 190), 88311#(<= ULTIMATE.start_main_~x~4 196), 88310#(<= ULTIMATE.start_main_~x~4 194), 88313#(<= ULTIMATE.start_main_~x~4 200), 88312#(<= ULTIMATE.start_main_~x~4 198), 88315#(<= ULTIMATE.start_main_~x~4 204), 88314#(<= ULTIMATE.start_main_~x~4 202), 88317#(<= ULTIMATE.start_main_~x~4 208), 88316#(<= ULTIMATE.start_main_~x~4 206), 88319#(<= ULTIMATE.start_main_~x~4 212), 88318#(<= ULTIMATE.start_main_~x~4 210)] [2018-07-23 13:42:58,586 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 13:42:58,586 INFO L450 AbstractCegarLoop]: Interpolant automaton has 186 states [2018-07-23 13:42:58,589 INFO L132 InterpolantAutomaton]: Constructing interpolant automaton starting with 186 interpolants. [2018-07-23 13:42:58,592 INFO L133 InterpolantAutomaton]: CoverageRelationStatistics Valid=17205, Invalid=17205, Unknown=0, NotChecked=0, Total=34410 [2018-07-23 13:42:58,592 INFO L87 Difference]: Start difference. First operand 187 states and 187 transitions. Second operand 186 states. [2018-07-23 13:42:58,811 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2018-07-23 13:42:58,811 INFO L93 Difference]: Finished difference Result 190 states and 190 transitions. [2018-07-23 13:42:58,811 INFO L142 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 186 states. [2018-07-23 13:42:58,811 INFO L78 Accepts]: Start accepts. Automaton has 186 states. Word has length 186 [2018-07-23 13:42:58,812 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2018-07-23 13:42:58,812 INFO L225 Difference]: With dead ends: 190 [2018-07-23 13:42:58,812 INFO L226 Difference]: Without dead ends: 188 [2018-07-23 13:42:58,815 INFO L575 BasicCegarLoop]: 0 DeclaredPredicates, 185 GetRequests, 1 SyntacticMatches, 0 SemanticMatches, 184 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 0 ImplicationChecksByTransitivity, 0.6s TimeCoverageRelationStatistics Valid=17205, Invalid=17205, Unknown=0, NotChecked=0, Total=34410 [2018-07-23 13:42:58,816 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 188 states. [2018-07-23 13:42:58,818 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 188 to 188. [2018-07-23 13:42:58,818 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 188 states. [2018-07-23 13:42:58,818 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 188 states to 188 states and 188 transitions. [2018-07-23 13:42:58,818 INFO L78 Accepts]: Start accepts. Automaton has 188 states and 188 transitions. Word has length 186 [2018-07-23 13:42:58,818 INFO L84 Accepts]: Finished accepts. word is rejected. [2018-07-23 13:42:58,818 INFO L471 AbstractCegarLoop]: Abstraction has 188 states and 188 transitions. [2018-07-23 13:42:58,818 INFO L472 AbstractCegarLoop]: Interpolant automaton has 186 states. [2018-07-23 13:42:58,818 INFO L276 IsEmpty]: Start isEmpty. Operand 188 states and 188 transitions. [2018-07-23 13:42:58,819 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 188 [2018-07-23 13:42:58,819 INFO L349 BasicCegarLoop]: Found error trace [2018-07-23 13:42:58,819 INFO L357 BasicCegarLoop]: trace histogram [184, 1, 1, 1] [2018-07-23 13:42:58,819 INFO L414 AbstractCegarLoop]: === Iteration 185 === [ULTIMATE.startErr0AssertViolationASSERT]=== [2018-07-23 13:42:58,819 INFO L82 PathProgramCache]: Analyzing trace with hash 827696577, now seen corresponding path program 184 times [2018-07-23 13:42:58,819 INFO L69 tionRefinementEngine]: Using refinement strategy FixedRefinementStrategy [2018-07-23 13:42:58,834 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-07-23 13:42:59,546 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 13:42:59,546 INFO L309 seRefinementStrategy]: Constructing automaton from 0 perfect and 1 imperfect interpolant sequences. [2018-07-23 13:42:59,546 INFO L324 seRefinementStrategy]: Number of different interpolants: perfect sequences [] imperfect sequences [186] total 186 [2018-07-23 13:42:59,547 INFO L142 lantAutomatonBuilder]: Constructing canonical interpolant automaton, with selfloop in false state [2018-07-23 13:42:59,547 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2018-07-23 13:42:59,547 INFO L185 omatonBuilderFactory]: Interpolants [89344#(<= ULTIMATE.start_main_~x~4 378), 89159#false, 89158#true, 89161#(<= ULTIMATE.start_main_~x~4 12), 89160#(<= ULTIMATE.start_main_~x~4 10), 89163#(<= ULTIMATE.start_main_~x~4 16), 89162#(<= ULTIMATE.start_main_~x~4 14), 89165#(<= ULTIMATE.start_main_~x~4 20), 89164#(<= ULTIMATE.start_main_~x~4 18), 89167#(<= ULTIMATE.start_main_~x~4 24), 89166#(<= ULTIMATE.start_main_~x~4 22), 89169#(<= ULTIMATE.start_main_~x~4 28), 89168#(<= ULTIMATE.start_main_~x~4 26), 89171#(<= ULTIMATE.start_main_~x~4 32), 89170#(<= ULTIMATE.start_main_~x~4 30), 89173#(<= ULTIMATE.start_main_~x~4 36), 89172#(<= ULTIMATE.start_main_~x~4 34), 89175#(<= ULTIMATE.start_main_~x~4 40), 89174#(<= ULTIMATE.start_main_~x~4 38), 89177#(<= ULTIMATE.start_main_~x~4 44), 89176#(<= ULTIMATE.start_main_~x~4 42), 89179#(<= ULTIMATE.start_main_~x~4 48), 89178#(<= ULTIMATE.start_main_~x~4 46), 89181#(<= ULTIMATE.start_main_~x~4 52), 89180#(<= ULTIMATE.start_main_~x~4 50), 89183#(<= ULTIMATE.start_main_~x~4 56), 89182#(<= ULTIMATE.start_main_~x~4 54), 89185#(<= ULTIMATE.start_main_~x~4 60), 89184#(<= ULTIMATE.start_main_~x~4 58), 89187#(<= ULTIMATE.start_main_~x~4 64), 89186#(<= ULTIMATE.start_main_~x~4 62), 89189#(<= ULTIMATE.start_main_~x~4 68), 89188#(<= ULTIMATE.start_main_~x~4 66), 89191#(<= ULTIMATE.start_main_~x~4 72), 89190#(<= ULTIMATE.start_main_~x~4 70), 89193#(<= ULTIMATE.start_main_~x~4 76), 89192#(<= ULTIMATE.start_main_~x~4 74), 89195#(<= ULTIMATE.start_main_~x~4 80), 89194#(<= ULTIMATE.start_main_~x~4 78), 89197#(<= ULTIMATE.start_main_~x~4 84), 89196#(<= ULTIMATE.start_main_~x~4 82), 89199#(<= ULTIMATE.start_main_~x~4 88), 89198#(<= ULTIMATE.start_main_~x~4 86), 89201#(<= ULTIMATE.start_main_~x~4 92), 89200#(<= ULTIMATE.start_main_~x~4 90), 89203#(<= ULTIMATE.start_main_~x~4 96), 89202#(<= ULTIMATE.start_main_~x~4 94), 89205#(<= ULTIMATE.start_main_~x~4 100), 89204#(<= ULTIMATE.start_main_~x~4 98), 89207#(<= ULTIMATE.start_main_~x~4 104), 89206#(<= ULTIMATE.start_main_~x~4 102), 89209#(<= ULTIMATE.start_main_~x~4 108), 89208#(<= ULTIMATE.start_main_~x~4 106), 89211#(<= ULTIMATE.start_main_~x~4 112), 89210#(<= ULTIMATE.start_main_~x~4 110), 89213#(<= ULTIMATE.start_main_~x~4 116), 89212#(<= ULTIMATE.start_main_~x~4 114), 89215#(<= ULTIMATE.start_main_~x~4 120), 89214#(<= ULTIMATE.start_main_~x~4 118), 89217#(<= ULTIMATE.start_main_~x~4 124), 89216#(<= ULTIMATE.start_main_~x~4 122), 89219#(<= ULTIMATE.start_main_~x~4 128), 89218#(<= ULTIMATE.start_main_~x~4 126), 89221#(<= ULTIMATE.start_main_~x~4 132), 89220#(<= ULTIMATE.start_main_~x~4 130), 89223#(<= ULTIMATE.start_main_~x~4 136), 89222#(<= ULTIMATE.start_main_~x~4 134), 89225#(<= ULTIMATE.start_main_~x~4 140), 89224#(<= ULTIMATE.start_main_~x~4 138), 89227#(<= ULTIMATE.start_main_~x~4 144), 89226#(<= ULTIMATE.start_main_~x~4 142), 89229#(<= ULTIMATE.start_main_~x~4 148), 89228#(<= ULTIMATE.start_main_~x~4 146), 89231#(<= ULTIMATE.start_main_~x~4 152), 89230#(<= ULTIMATE.start_main_~x~4 150), 89233#(<= ULTIMATE.start_main_~x~4 156), 89232#(<= ULTIMATE.start_main_~x~4 154), 89235#(<= ULTIMATE.start_main_~x~4 160), 89234#(<= ULTIMATE.start_main_~x~4 158), 89237#(<= ULTIMATE.start_main_~x~4 164), 89236#(<= ULTIMATE.start_main_~x~4 162), 89239#(<= ULTIMATE.start_main_~x~4 168), 89238#(<= ULTIMATE.start_main_~x~4 166), 89241#(<= ULTIMATE.start_main_~x~4 172), 89240#(<= ULTIMATE.start_main_~x~4 170), 89243#(<= ULTIMATE.start_main_~x~4 176), 89242#(<= ULTIMATE.start_main_~x~4 174), 89245#(<= ULTIMATE.start_main_~x~4 180), 89244#(<= ULTIMATE.start_main_~x~4 178), 89247#(<= ULTIMATE.start_main_~x~4 184), 89246#(<= ULTIMATE.start_main_~x~4 182), 89249#(<= ULTIMATE.start_main_~x~4 188), 89248#(<= ULTIMATE.start_main_~x~4 186), 89251#(<= ULTIMATE.start_main_~x~4 192), 89250#(<= ULTIMATE.start_main_~x~4 190), 89253#(<= ULTIMATE.start_main_~x~4 196), 89252#(<= ULTIMATE.start_main_~x~4 194), 89255#(<= ULTIMATE.start_main_~x~4 200), 89254#(<= ULTIMATE.start_main_~x~4 198), 89257#(<= ULTIMATE.start_main_~x~4 204), 89256#(<= ULTIMATE.start_main_~x~4 202), 89259#(<= ULTIMATE.start_main_~x~4 208), 89258#(<= ULTIMATE.start_main_~x~4 206), 89261#(<= ULTIMATE.start_main_~x~4 212), 89260#(<= ULTIMATE.start_main_~x~4 210), 89263#(<= ULTIMATE.start_main_~x~4 216), 89262#(<= ULTIMATE.start_main_~x~4 214), 89265#(<= ULTIMATE.start_main_~x~4 220), 89264#(<= ULTIMATE.start_main_~x~4 218), 89267#(<= ULTIMATE.start_main_~x~4 224), 89266#(<= ULTIMATE.start_main_~x~4 222), 89269#(<= ULTIMATE.start_main_~x~4 228), 89268#(<= ULTIMATE.start_main_~x~4 226), 89271#(<= ULTIMATE.start_main_~x~4 232), 89270#(<= ULTIMATE.start_main_~x~4 230), 89273#(<= ULTIMATE.start_main_~x~4 236), 89272#(<= ULTIMATE.start_main_~x~4 234), 89275#(<= ULTIMATE.start_main_~x~4 240), 89274#(<= ULTIMATE.start_main_~x~4 238), 89277#(<= ULTIMATE.start_main_~x~4 244), 89276#(<= ULTIMATE.start_main_~x~4 242), 89279#(<= ULTIMATE.start_main_~x~4 248), 89278#(<= ULTIMATE.start_main_~x~4 246), 89281#(<= ULTIMATE.start_main_~x~4 252), 89280#(<= ULTIMATE.start_main_~x~4 250), 89283#(<= ULTIMATE.start_main_~x~4 256), 89282#(<= ULTIMATE.start_main_~x~4 254), 89285#(<= ULTIMATE.start_main_~x~4 260), 89284#(<= ULTIMATE.start_main_~x~4 258), 89287#(<= ULTIMATE.start_main_~x~4 264), 89286#(<= ULTIMATE.start_main_~x~4 262), 89289#(<= ULTIMATE.start_main_~x~4 268), 89288#(<= ULTIMATE.start_main_~x~4 266), 89291#(<= ULTIMATE.start_main_~x~4 272), 89290#(<= ULTIMATE.start_main_~x~4 270), 89293#(<= ULTIMATE.start_main_~x~4 276), 89292#(<= ULTIMATE.start_main_~x~4 274), 89295#(<= ULTIMATE.start_main_~x~4 280), 89294#(<= ULTIMATE.start_main_~x~4 278), 89297#(<= ULTIMATE.start_main_~x~4 284), 89296#(<= ULTIMATE.start_main_~x~4 282), 89299#(<= ULTIMATE.start_main_~x~4 288), 89298#(<= ULTIMATE.start_main_~x~4 286), 89301#(<= ULTIMATE.start_main_~x~4 292), 89300#(<= ULTIMATE.start_main_~x~4 290), 89303#(<= ULTIMATE.start_main_~x~4 296), 89302#(<= ULTIMATE.start_main_~x~4 294), 89305#(<= ULTIMATE.start_main_~x~4 300), 89304#(<= ULTIMATE.start_main_~x~4 298), 89307#(<= ULTIMATE.start_main_~x~4 304), 89306#(<= ULTIMATE.start_main_~x~4 302), 89309#(<= ULTIMATE.start_main_~x~4 308), 89308#(<= ULTIMATE.start_main_~x~4 306), 89311#(<= ULTIMATE.start_main_~x~4 312), 89310#(<= ULTIMATE.start_main_~x~4 310), 89313#(<= ULTIMATE.start_main_~x~4 316), 89312#(<= ULTIMATE.start_main_~x~4 314), 89315#(<= ULTIMATE.start_main_~x~4 320), 89314#(<= ULTIMATE.start_main_~x~4 318), 89317#(<= ULTIMATE.start_main_~x~4 324), 89316#(<= ULTIMATE.start_main_~x~4 322), 89319#(<= ULTIMATE.start_main_~x~4 328), 89318#(<= ULTIMATE.start_main_~x~4 326), 89321#(<= ULTIMATE.start_main_~x~4 332), 89320#(<= ULTIMATE.start_main_~x~4 330), 89323#(<= ULTIMATE.start_main_~x~4 336), 89322#(<= ULTIMATE.start_main_~x~4 334), 89325#(<= ULTIMATE.start_main_~x~4 340), 89324#(<= ULTIMATE.start_main_~x~4 338), 89327#(<= ULTIMATE.start_main_~x~4 344), 89326#(<= ULTIMATE.start_main_~x~4 342), 89329#(<= ULTIMATE.start_main_~x~4 348), 89328#(<= ULTIMATE.start_main_~x~4 346), 89331#(<= ULTIMATE.start_main_~x~4 352), 89330#(<= ULTIMATE.start_main_~x~4 350), 89333#(<= ULTIMATE.start_main_~x~4 356), 89332#(<= ULTIMATE.start_main_~x~4 354), 89335#(<= ULTIMATE.start_main_~x~4 360), 89334#(<= ULTIMATE.start_main_~x~4 358), 89337#(<= ULTIMATE.start_main_~x~4 364), 89336#(<= ULTIMATE.start_main_~x~4 362), 89339#(<= ULTIMATE.start_main_~x~4 368), 89338#(<= ULTIMATE.start_main_~x~4 366), 89341#(<= ULTIMATE.start_main_~x~4 372), 89340#(<= ULTIMATE.start_main_~x~4 370), 89343#(<= ULTIMATE.start_main_~x~4 376), 89342#(<= ULTIMATE.start_main_~x~4 374)] [2018-07-23 13:42:59,548 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 13:42:59,548 INFO L450 AbstractCegarLoop]: Interpolant automaton has 187 states [2018-07-23 13:42:59,551 INFO L132 InterpolantAutomaton]: Constructing interpolant automaton starting with 187 interpolants. [2018-07-23 13:42:59,552 INFO L133 InterpolantAutomaton]: CoverageRelationStatistics Valid=17391, Invalid=17391, Unknown=0, NotChecked=0, Total=34782 [2018-07-23 13:42:59,553 INFO L87 Difference]: Start difference. First operand 188 states and 188 transitions. Second operand 187 states. [2018-07-23 13:43:00,264 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2018-07-23 13:43:00,264 INFO L93 Difference]: Finished difference Result 191 states and 191 transitions. [2018-07-23 13:43:00,265 INFO L142 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 187 states. [2018-07-23 13:43:00,265 INFO L78 Accepts]: Start accepts. Automaton has 187 states. Word has length 187 [2018-07-23 13:43:00,265 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2018-07-23 13:43:00,265 INFO L225 Difference]: With dead ends: 191 [2018-07-23 13:43:00,265 INFO L226 Difference]: Without dead ends: 189 [2018-07-23 13:43:00,268 INFO L575 BasicCegarLoop]: 0 DeclaredPredicates, 186 GetRequests, 1 SyntacticMatches, 0 SemanticMatches, 185 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 0 ImplicationChecksByTransitivity, 0.6s TimeCoverageRelationStatistics Valid=17391, Invalid=17391, Unknown=0, NotChecked=0, Total=34782 [2018-07-23 13:43:00,268 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 189 states. [2018-07-23 13:43:00,269 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 189 to 189. [2018-07-23 13:43:00,269 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 189 states. [2018-07-23 13:43:00,270 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 189 states to 189 states and 189 transitions. [2018-07-23 13:43:00,270 INFO L78 Accepts]: Start accepts. Automaton has 189 states and 189 transitions. Word has length 187 [2018-07-23 13:43:00,270 INFO L84 Accepts]: Finished accepts. word is rejected. [2018-07-23 13:43:00,270 INFO L471 AbstractCegarLoop]: Abstraction has 189 states and 189 transitions. [2018-07-23 13:43:00,270 INFO L472 AbstractCegarLoop]: Interpolant automaton has 187 states. [2018-07-23 13:43:00,270 INFO L276 IsEmpty]: Start isEmpty. Operand 189 states and 189 transitions. [2018-07-23 13:43:00,270 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 189 [2018-07-23 13:43:00,271 INFO L349 BasicCegarLoop]: Found error trace [2018-07-23 13:43:00,271 INFO L357 BasicCegarLoop]: trace histogram [185, 1, 1, 1] [2018-07-23 13:43:00,271 INFO L414 AbstractCegarLoop]: === Iteration 186 === [ULTIMATE.startErr0AssertViolationASSERT]=== [2018-07-23 13:43:00,271 INFO L82 PathProgramCache]: Analyzing trace with hash -111211864, now seen corresponding path program 185 times [2018-07-23 13:43:00,271 INFO L69 tionRefinementEngine]: Using refinement strategy FixedRefinementStrategy [2018-07-23 13:43:00,285 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-07-23 13:43:01,026 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 13:43:01,027 INFO L309 seRefinementStrategy]: Constructing automaton from 0 perfect and 1 imperfect interpolant sequences. [2018-07-23 13:43:01,027 INFO L324 seRefinementStrategy]: Number of different interpolants: perfect sequences [] imperfect sequences [187] total 187 [2018-07-23 13:43:01,027 INFO L142 lantAutomatonBuilder]: Constructing canonical interpolant automaton, with selfloop in false state [2018-07-23 13:43:01,027 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2018-07-23 13:43:01,027 INFO L185 omatonBuilderFactory]: Interpolants [90113#(<= ULTIMATE.start_main_~x~4 22), 90112#(<= ULTIMATE.start_main_~x~4 20), 90115#(<= ULTIMATE.start_main_~x~4 26), 90114#(<= ULTIMATE.start_main_~x~4 24), 90117#(<= ULTIMATE.start_main_~x~4 30), 90116#(<= ULTIMATE.start_main_~x~4 28), 90119#(<= ULTIMATE.start_main_~x~4 34), 90118#(<= ULTIMATE.start_main_~x~4 32), 90121#(<= ULTIMATE.start_main_~x~4 38), 90120#(<= ULTIMATE.start_main_~x~4 36), 90123#(<= ULTIMATE.start_main_~x~4 42), 90122#(<= ULTIMATE.start_main_~x~4 40), 90125#(<= ULTIMATE.start_main_~x~4 46), 90124#(<= ULTIMATE.start_main_~x~4 44), 90127#(<= ULTIMATE.start_main_~x~4 50), 90126#(<= ULTIMATE.start_main_~x~4 48), 90129#(<= ULTIMATE.start_main_~x~4 54), 90128#(<= ULTIMATE.start_main_~x~4 52), 90131#(<= ULTIMATE.start_main_~x~4 58), 90130#(<= ULTIMATE.start_main_~x~4 56), 90133#(<= ULTIMATE.start_main_~x~4 62), 90132#(<= ULTIMATE.start_main_~x~4 60), 90135#(<= ULTIMATE.start_main_~x~4 66), 90134#(<= ULTIMATE.start_main_~x~4 64), 90137#(<= ULTIMATE.start_main_~x~4 70), 90136#(<= ULTIMATE.start_main_~x~4 68), 90139#(<= ULTIMATE.start_main_~x~4 74), 90138#(<= ULTIMATE.start_main_~x~4 72), 90141#(<= ULTIMATE.start_main_~x~4 78), 90140#(<= ULTIMATE.start_main_~x~4 76), 90143#(<= ULTIMATE.start_main_~x~4 82), 90142#(<= ULTIMATE.start_main_~x~4 80), 90145#(<= ULTIMATE.start_main_~x~4 86), 90144#(<= ULTIMATE.start_main_~x~4 84), 90147#(<= ULTIMATE.start_main_~x~4 90), 90146#(<= ULTIMATE.start_main_~x~4 88), 90149#(<= ULTIMATE.start_main_~x~4 94), 90148#(<= ULTIMATE.start_main_~x~4 92), 90151#(<= ULTIMATE.start_main_~x~4 98), 90150#(<= ULTIMATE.start_main_~x~4 96), 90153#(<= ULTIMATE.start_main_~x~4 102), 90152#(<= ULTIMATE.start_main_~x~4 100), 90155#(<= ULTIMATE.start_main_~x~4 106), 90154#(<= ULTIMATE.start_main_~x~4 104), 90157#(<= ULTIMATE.start_main_~x~4 110), 90156#(<= ULTIMATE.start_main_~x~4 108), 90159#(<= ULTIMATE.start_main_~x~4 114), 90158#(<= ULTIMATE.start_main_~x~4 112), 90161#(<= ULTIMATE.start_main_~x~4 118), 90160#(<= ULTIMATE.start_main_~x~4 116), 90163#(<= ULTIMATE.start_main_~x~4 122), 90162#(<= ULTIMATE.start_main_~x~4 120), 90165#(<= ULTIMATE.start_main_~x~4 126), 90164#(<= ULTIMATE.start_main_~x~4 124), 90167#(<= ULTIMATE.start_main_~x~4 130), 90166#(<= ULTIMATE.start_main_~x~4 128), 90169#(<= ULTIMATE.start_main_~x~4 134), 90168#(<= ULTIMATE.start_main_~x~4 132), 90171#(<= ULTIMATE.start_main_~x~4 138), 90170#(<= ULTIMATE.start_main_~x~4 136), 90173#(<= ULTIMATE.start_main_~x~4 142), 90172#(<= ULTIMATE.start_main_~x~4 140), 90175#(<= ULTIMATE.start_main_~x~4 146), 90174#(<= ULTIMATE.start_main_~x~4 144), 90177#(<= ULTIMATE.start_main_~x~4 150), 90176#(<= ULTIMATE.start_main_~x~4 148), 90179#(<= ULTIMATE.start_main_~x~4 154), 90178#(<= ULTIMATE.start_main_~x~4 152), 90181#(<= ULTIMATE.start_main_~x~4 158), 90180#(<= ULTIMATE.start_main_~x~4 156), 90183#(<= ULTIMATE.start_main_~x~4 162), 90182#(<= ULTIMATE.start_main_~x~4 160), 90185#(<= ULTIMATE.start_main_~x~4 166), 90184#(<= ULTIMATE.start_main_~x~4 164), 90187#(<= ULTIMATE.start_main_~x~4 170), 90186#(<= ULTIMATE.start_main_~x~4 168), 90189#(<= ULTIMATE.start_main_~x~4 174), 90188#(<= ULTIMATE.start_main_~x~4 172), 90191#(<= ULTIMATE.start_main_~x~4 178), 90190#(<= ULTIMATE.start_main_~x~4 176), 90193#(<= ULTIMATE.start_main_~x~4 182), 90192#(<= ULTIMATE.start_main_~x~4 180), 90195#(<= ULTIMATE.start_main_~x~4 186), 90194#(<= ULTIMATE.start_main_~x~4 184), 90197#(<= ULTIMATE.start_main_~x~4 190), 90196#(<= ULTIMATE.start_main_~x~4 188), 90199#(<= ULTIMATE.start_main_~x~4 194), 90198#(<= ULTIMATE.start_main_~x~4 192), 90201#(<= ULTIMATE.start_main_~x~4 198), 90200#(<= ULTIMATE.start_main_~x~4 196), 90203#(<= ULTIMATE.start_main_~x~4 202), 90202#(<= ULTIMATE.start_main_~x~4 200), 90205#(<= ULTIMATE.start_main_~x~4 206), 90204#(<= ULTIMATE.start_main_~x~4 204), 90207#(<= ULTIMATE.start_main_~x~4 210), 90206#(<= ULTIMATE.start_main_~x~4 208), 90209#(<= ULTIMATE.start_main_~x~4 214), 90208#(<= ULTIMATE.start_main_~x~4 212), 90211#(<= ULTIMATE.start_main_~x~4 218), 90210#(<= ULTIMATE.start_main_~x~4 216), 90213#(<= ULTIMATE.start_main_~x~4 222), 90212#(<= ULTIMATE.start_main_~x~4 220), 90215#(<= ULTIMATE.start_main_~x~4 226), 90214#(<= ULTIMATE.start_main_~x~4 224), 90217#(<= ULTIMATE.start_main_~x~4 230), 90216#(<= ULTIMATE.start_main_~x~4 228), 90219#(<= ULTIMATE.start_main_~x~4 234), 90218#(<= ULTIMATE.start_main_~x~4 232), 90221#(<= ULTIMATE.start_main_~x~4 238), 90220#(<= ULTIMATE.start_main_~x~4 236), 90223#(<= ULTIMATE.start_main_~x~4 242), 90222#(<= ULTIMATE.start_main_~x~4 240), 90225#(<= ULTIMATE.start_main_~x~4 246), 90224#(<= ULTIMATE.start_main_~x~4 244), 90227#(<= ULTIMATE.start_main_~x~4 250), 90226#(<= ULTIMATE.start_main_~x~4 248), 90229#(<= ULTIMATE.start_main_~x~4 254), 90228#(<= ULTIMATE.start_main_~x~4 252), 90231#(<= ULTIMATE.start_main_~x~4 258), 90230#(<= ULTIMATE.start_main_~x~4 256), 90233#(<= ULTIMATE.start_main_~x~4 262), 90232#(<= ULTIMATE.start_main_~x~4 260), 90235#(<= ULTIMATE.start_main_~x~4 266), 90234#(<= ULTIMATE.start_main_~x~4 264), 90237#(<= ULTIMATE.start_main_~x~4 270), 90236#(<= ULTIMATE.start_main_~x~4 268), 90239#(<= ULTIMATE.start_main_~x~4 274), 90238#(<= ULTIMATE.start_main_~x~4 272), 90241#(<= ULTIMATE.start_main_~x~4 278), 90240#(<= ULTIMATE.start_main_~x~4 276), 90243#(<= ULTIMATE.start_main_~x~4 282), 90242#(<= ULTIMATE.start_main_~x~4 280), 90245#(<= ULTIMATE.start_main_~x~4 286), 90244#(<= ULTIMATE.start_main_~x~4 284), 90247#(<= ULTIMATE.start_main_~x~4 290), 90246#(<= ULTIMATE.start_main_~x~4 288), 90249#(<= ULTIMATE.start_main_~x~4 294), 90248#(<= ULTIMATE.start_main_~x~4 292), 90251#(<= ULTIMATE.start_main_~x~4 298), 90250#(<= ULTIMATE.start_main_~x~4 296), 90253#(<= ULTIMATE.start_main_~x~4 302), 90252#(<= ULTIMATE.start_main_~x~4 300), 90255#(<= ULTIMATE.start_main_~x~4 306), 90254#(<= ULTIMATE.start_main_~x~4 304), 90257#(<= ULTIMATE.start_main_~x~4 310), 90256#(<= ULTIMATE.start_main_~x~4 308), 90259#(<= ULTIMATE.start_main_~x~4 314), 90258#(<= ULTIMATE.start_main_~x~4 312), 90261#(<= ULTIMATE.start_main_~x~4 318), 90260#(<= ULTIMATE.start_main_~x~4 316), 90263#(<= ULTIMATE.start_main_~x~4 322), 90262#(<= ULTIMATE.start_main_~x~4 320), 90265#(<= ULTIMATE.start_main_~x~4 326), 90264#(<= ULTIMATE.start_main_~x~4 324), 90267#(<= ULTIMATE.start_main_~x~4 330), 90266#(<= ULTIMATE.start_main_~x~4 328), 90269#(<= ULTIMATE.start_main_~x~4 334), 90268#(<= ULTIMATE.start_main_~x~4 332), 90271#(<= ULTIMATE.start_main_~x~4 338), 90270#(<= ULTIMATE.start_main_~x~4 336), 90273#(<= ULTIMATE.start_main_~x~4 342), 90272#(<= ULTIMATE.start_main_~x~4 340), 90275#(<= ULTIMATE.start_main_~x~4 346), 90274#(<= ULTIMATE.start_main_~x~4 344), 90277#(<= ULTIMATE.start_main_~x~4 350), 90276#(<= ULTIMATE.start_main_~x~4 348), 90279#(<= ULTIMATE.start_main_~x~4 354), 90278#(<= ULTIMATE.start_main_~x~4 352), 90281#(<= ULTIMATE.start_main_~x~4 358), 90280#(<= ULTIMATE.start_main_~x~4 356), 90283#(<= ULTIMATE.start_main_~x~4 362), 90282#(<= ULTIMATE.start_main_~x~4 360), 90285#(<= ULTIMATE.start_main_~x~4 366), 90284#(<= ULTIMATE.start_main_~x~4 364), 90287#(<= ULTIMATE.start_main_~x~4 370), 90286#(<= ULTIMATE.start_main_~x~4 368), 90289#(<= ULTIMATE.start_main_~x~4 374), 90288#(<= ULTIMATE.start_main_~x~4 372), 90291#(<= ULTIMATE.start_main_~x~4 378), 90290#(<= ULTIMATE.start_main_~x~4 376), 90292#(<= ULTIMATE.start_main_~x~4 380), 90105#true, 90107#(<= ULTIMATE.start_main_~x~4 10), 90106#false, 90109#(<= ULTIMATE.start_main_~x~4 14), 90108#(<= ULTIMATE.start_main_~x~4 12), 90111#(<= ULTIMATE.start_main_~x~4 18), 90110#(<= ULTIMATE.start_main_~x~4 16)] [2018-07-23 13:43:01,028 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 13:43:01,028 INFO L450 AbstractCegarLoop]: Interpolant automaton has 188 states [2018-07-23 13:43:01,030 INFO L132 InterpolantAutomaton]: Constructing interpolant automaton starting with 188 interpolants. [2018-07-23 13:43:01,031 INFO L133 InterpolantAutomaton]: CoverageRelationStatistics Valid=17578, Invalid=17578, Unknown=0, NotChecked=0, Total=35156 [2018-07-23 13:43:01,031 INFO L87 Difference]: Start difference. First operand 189 states and 189 transitions. Second operand 188 states. [2018-07-23 13:43:01,850 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2018-07-23 13:43:01,850 INFO L93 Difference]: Finished difference Result 192 states and 192 transitions. [2018-07-23 13:43:01,850 INFO L142 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 188 states. [2018-07-23 13:43:01,850 INFO L78 Accepts]: Start accepts. Automaton has 188 states. Word has length 188 [2018-07-23 13:43:01,850 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2018-07-23 13:43:01,851 INFO L225 Difference]: With dead ends: 192 [2018-07-23 13:43:01,851 INFO L226 Difference]: Without dead ends: 190 [2018-07-23 13:43:01,852 INFO L575 BasicCegarLoop]: 0 DeclaredPredicates, 187 GetRequests, 1 SyntacticMatches, 0 SemanticMatches, 186 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 0 ImplicationChecksByTransitivity, 0.6s TimeCoverageRelationStatistics Valid=17578, Invalid=17578, Unknown=0, NotChecked=0, Total=35156 [2018-07-23 13:43:01,852 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 190 states. [2018-07-23 13:43:01,854 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 190 to 190. [2018-07-23 13:43:01,854 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 190 states. [2018-07-23 13:43:01,854 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 190 states to 190 states and 190 transitions. [2018-07-23 13:43:01,854 INFO L78 Accepts]: Start accepts. Automaton has 190 states and 190 transitions. Word has length 188 [2018-07-23 13:43:01,855 INFO L84 Accepts]: Finished accepts. word is rejected. [2018-07-23 13:43:01,855 INFO L471 AbstractCegarLoop]: Abstraction has 190 states and 190 transitions. [2018-07-23 13:43:01,855 INFO L472 AbstractCegarLoop]: Interpolant automaton has 188 states. [2018-07-23 13:43:01,855 INFO L276 IsEmpty]: Start isEmpty. Operand 190 states and 190 transitions. [2018-07-23 13:43:01,855 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 190 [2018-07-23 13:43:01,855 INFO L349 BasicCegarLoop]: Found error trace [2018-07-23 13:43:01,855 INFO L357 BasicCegarLoop]: trace histogram [186, 1, 1, 1] [2018-07-23 13:43:01,855 INFO L414 AbstractCegarLoop]: === Iteration 187 === [ULTIMATE.startErr0AssertViolationASSERT]=== [2018-07-23 13:43:01,855 INFO L82 PathProgramCache]: Analyzing trace with hash 847397537, now seen corresponding path program 186 times [2018-07-23 13:43:01,856 INFO L69 tionRefinementEngine]: Using refinement strategy FixedRefinementStrategy [2018-07-23 13:43:01,868 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-07-23 13:43:02,576 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 13:43:02,576 INFO L309 seRefinementStrategy]: Constructing automaton from 0 perfect and 1 imperfect interpolant sequences. [2018-07-23 13:43:02,576 INFO L324 seRefinementStrategy]: Number of different interpolants: perfect sequences [] imperfect sequences [188] total 188 [2018-07-23 13:43:02,576 INFO L142 lantAutomatonBuilder]: Constructing canonical interpolant automaton, with selfloop in false state [2018-07-23 13:43:02,576 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2018-07-23 13:43:02,577 INFO L185 omatonBuilderFactory]: Interpolants [91137#(<= ULTIMATE.start_main_~x~4 166), 91136#(<= ULTIMATE.start_main_~x~4 164), 91139#(<= ULTIMATE.start_main_~x~4 170), 91138#(<= ULTIMATE.start_main_~x~4 168), 91141#(<= ULTIMATE.start_main_~x~4 174), 91140#(<= ULTIMATE.start_main_~x~4 172), 91143#(<= ULTIMATE.start_main_~x~4 178), 91142#(<= ULTIMATE.start_main_~x~4 176), 91145#(<= ULTIMATE.start_main_~x~4 182), 91144#(<= ULTIMATE.start_main_~x~4 180), 91147#(<= ULTIMATE.start_main_~x~4 186), 91146#(<= ULTIMATE.start_main_~x~4 184), 91149#(<= ULTIMATE.start_main_~x~4 190), 91148#(<= ULTIMATE.start_main_~x~4 188), 91151#(<= ULTIMATE.start_main_~x~4 194), 91150#(<= ULTIMATE.start_main_~x~4 192), 91153#(<= ULTIMATE.start_main_~x~4 198), 91152#(<= ULTIMATE.start_main_~x~4 196), 91155#(<= ULTIMATE.start_main_~x~4 202), 91154#(<= ULTIMATE.start_main_~x~4 200), 91157#(<= ULTIMATE.start_main_~x~4 206), 91156#(<= ULTIMATE.start_main_~x~4 204), 91159#(<= ULTIMATE.start_main_~x~4 210), 91158#(<= ULTIMATE.start_main_~x~4 208), 91161#(<= ULTIMATE.start_main_~x~4 214), 91160#(<= ULTIMATE.start_main_~x~4 212), 91163#(<= ULTIMATE.start_main_~x~4 218), 91162#(<= ULTIMATE.start_main_~x~4 216), 91165#(<= ULTIMATE.start_main_~x~4 222), 91164#(<= ULTIMATE.start_main_~x~4 220), 91167#(<= ULTIMATE.start_main_~x~4 226), 91166#(<= ULTIMATE.start_main_~x~4 224), 91169#(<= ULTIMATE.start_main_~x~4 230), 91168#(<= ULTIMATE.start_main_~x~4 228), 91171#(<= ULTIMATE.start_main_~x~4 234), 91170#(<= ULTIMATE.start_main_~x~4 232), 91173#(<= ULTIMATE.start_main_~x~4 238), 91172#(<= ULTIMATE.start_main_~x~4 236), 91175#(<= ULTIMATE.start_main_~x~4 242), 91174#(<= ULTIMATE.start_main_~x~4 240), 91177#(<= ULTIMATE.start_main_~x~4 246), 91176#(<= ULTIMATE.start_main_~x~4 244), 91179#(<= ULTIMATE.start_main_~x~4 250), 91178#(<= ULTIMATE.start_main_~x~4 248), 91181#(<= ULTIMATE.start_main_~x~4 254), 91180#(<= ULTIMATE.start_main_~x~4 252), 91183#(<= ULTIMATE.start_main_~x~4 258), 91182#(<= ULTIMATE.start_main_~x~4 256), 91185#(<= ULTIMATE.start_main_~x~4 262), 91184#(<= ULTIMATE.start_main_~x~4 260), 91187#(<= ULTIMATE.start_main_~x~4 266), 91186#(<= ULTIMATE.start_main_~x~4 264), 91189#(<= ULTIMATE.start_main_~x~4 270), 91188#(<= ULTIMATE.start_main_~x~4 268), 91191#(<= ULTIMATE.start_main_~x~4 274), 91190#(<= ULTIMATE.start_main_~x~4 272), 91193#(<= ULTIMATE.start_main_~x~4 278), 91192#(<= ULTIMATE.start_main_~x~4 276), 91195#(<= ULTIMATE.start_main_~x~4 282), 91194#(<= ULTIMATE.start_main_~x~4 280), 91197#(<= ULTIMATE.start_main_~x~4 286), 91196#(<= ULTIMATE.start_main_~x~4 284), 91199#(<= ULTIMATE.start_main_~x~4 290), 91198#(<= ULTIMATE.start_main_~x~4 288), 91201#(<= ULTIMATE.start_main_~x~4 294), 91200#(<= ULTIMATE.start_main_~x~4 292), 91203#(<= ULTIMATE.start_main_~x~4 298), 91202#(<= ULTIMATE.start_main_~x~4 296), 91205#(<= ULTIMATE.start_main_~x~4 302), 91204#(<= ULTIMATE.start_main_~x~4 300), 91207#(<= ULTIMATE.start_main_~x~4 306), 91206#(<= ULTIMATE.start_main_~x~4 304), 91209#(<= ULTIMATE.start_main_~x~4 310), 91208#(<= ULTIMATE.start_main_~x~4 308), 91211#(<= ULTIMATE.start_main_~x~4 314), 91210#(<= ULTIMATE.start_main_~x~4 312), 91213#(<= ULTIMATE.start_main_~x~4 318), 91212#(<= ULTIMATE.start_main_~x~4 316), 91215#(<= ULTIMATE.start_main_~x~4 322), 91214#(<= ULTIMATE.start_main_~x~4 320), 91217#(<= ULTIMATE.start_main_~x~4 326), 91216#(<= ULTIMATE.start_main_~x~4 324), 91219#(<= ULTIMATE.start_main_~x~4 330), 91218#(<= ULTIMATE.start_main_~x~4 328), 91221#(<= ULTIMATE.start_main_~x~4 334), 91220#(<= ULTIMATE.start_main_~x~4 332), 91223#(<= ULTIMATE.start_main_~x~4 338), 91222#(<= ULTIMATE.start_main_~x~4 336), 91225#(<= ULTIMATE.start_main_~x~4 342), 91224#(<= ULTIMATE.start_main_~x~4 340), 91227#(<= ULTIMATE.start_main_~x~4 346), 91226#(<= ULTIMATE.start_main_~x~4 344), 91229#(<= ULTIMATE.start_main_~x~4 350), 91228#(<= ULTIMATE.start_main_~x~4 348), 91231#(<= ULTIMATE.start_main_~x~4 354), 91230#(<= ULTIMATE.start_main_~x~4 352), 91233#(<= ULTIMATE.start_main_~x~4 358), 91232#(<= ULTIMATE.start_main_~x~4 356), 91235#(<= ULTIMATE.start_main_~x~4 362), 91234#(<= ULTIMATE.start_main_~x~4 360), 91237#(<= ULTIMATE.start_main_~x~4 366), 91236#(<= ULTIMATE.start_main_~x~4 364), 91239#(<= ULTIMATE.start_main_~x~4 370), 91238#(<= ULTIMATE.start_main_~x~4 368), 91241#(<= ULTIMATE.start_main_~x~4 374), 91240#(<= ULTIMATE.start_main_~x~4 372), 91243#(<= ULTIMATE.start_main_~x~4 378), 91242#(<= ULTIMATE.start_main_~x~4 376), 91245#(<= ULTIMATE.start_main_~x~4 382), 91244#(<= ULTIMATE.start_main_~x~4 380), 91057#true, 91059#(<= ULTIMATE.start_main_~x~4 10), 91058#false, 91061#(<= ULTIMATE.start_main_~x~4 14), 91060#(<= ULTIMATE.start_main_~x~4 12), 91063#(<= ULTIMATE.start_main_~x~4 18), 91062#(<= ULTIMATE.start_main_~x~4 16), 91065#(<= ULTIMATE.start_main_~x~4 22), 91064#(<= ULTIMATE.start_main_~x~4 20), 91067#(<= ULTIMATE.start_main_~x~4 26), 91066#(<= ULTIMATE.start_main_~x~4 24), 91069#(<= ULTIMATE.start_main_~x~4 30), 91068#(<= ULTIMATE.start_main_~x~4 28), 91071#(<= ULTIMATE.start_main_~x~4 34), 91070#(<= ULTIMATE.start_main_~x~4 32), 91073#(<= ULTIMATE.start_main_~x~4 38), 91072#(<= ULTIMATE.start_main_~x~4 36), 91075#(<= ULTIMATE.start_main_~x~4 42), 91074#(<= ULTIMATE.start_main_~x~4 40), 91077#(<= ULTIMATE.start_main_~x~4 46), 91076#(<= ULTIMATE.start_main_~x~4 44), 91079#(<= ULTIMATE.start_main_~x~4 50), 91078#(<= ULTIMATE.start_main_~x~4 48), 91081#(<= ULTIMATE.start_main_~x~4 54), 91080#(<= ULTIMATE.start_main_~x~4 52), 91083#(<= ULTIMATE.start_main_~x~4 58), 91082#(<= ULTIMATE.start_main_~x~4 56), 91085#(<= ULTIMATE.start_main_~x~4 62), 91084#(<= ULTIMATE.start_main_~x~4 60), 91087#(<= ULTIMATE.start_main_~x~4 66), 91086#(<= ULTIMATE.start_main_~x~4 64), 91089#(<= ULTIMATE.start_main_~x~4 70), 91088#(<= ULTIMATE.start_main_~x~4 68), 91091#(<= ULTIMATE.start_main_~x~4 74), 91090#(<= ULTIMATE.start_main_~x~4 72), 91093#(<= ULTIMATE.start_main_~x~4 78), 91092#(<= ULTIMATE.start_main_~x~4 76), 91095#(<= ULTIMATE.start_main_~x~4 82), 91094#(<= ULTIMATE.start_main_~x~4 80), 91097#(<= ULTIMATE.start_main_~x~4 86), 91096#(<= ULTIMATE.start_main_~x~4 84), 91099#(<= ULTIMATE.start_main_~x~4 90), 91098#(<= ULTIMATE.start_main_~x~4 88), 91101#(<= ULTIMATE.start_main_~x~4 94), 91100#(<= ULTIMATE.start_main_~x~4 92), 91103#(<= ULTIMATE.start_main_~x~4 98), 91102#(<= ULTIMATE.start_main_~x~4 96), 91105#(<= ULTIMATE.start_main_~x~4 102), 91104#(<= ULTIMATE.start_main_~x~4 100), 91107#(<= ULTIMATE.start_main_~x~4 106), 91106#(<= ULTIMATE.start_main_~x~4 104), 91109#(<= ULTIMATE.start_main_~x~4 110), 91108#(<= ULTIMATE.start_main_~x~4 108), 91111#(<= ULTIMATE.start_main_~x~4 114), 91110#(<= ULTIMATE.start_main_~x~4 112), 91113#(<= ULTIMATE.start_main_~x~4 118), 91112#(<= ULTIMATE.start_main_~x~4 116), 91115#(<= ULTIMATE.start_main_~x~4 122), 91114#(<= ULTIMATE.start_main_~x~4 120), 91117#(<= ULTIMATE.start_main_~x~4 126), 91116#(<= ULTIMATE.start_main_~x~4 124), 91119#(<= ULTIMATE.start_main_~x~4 130), 91118#(<= ULTIMATE.start_main_~x~4 128), 91121#(<= ULTIMATE.start_main_~x~4 134), 91120#(<= ULTIMATE.start_main_~x~4 132), 91123#(<= ULTIMATE.start_main_~x~4 138), 91122#(<= ULTIMATE.start_main_~x~4 136), 91125#(<= ULTIMATE.start_main_~x~4 142), 91124#(<= ULTIMATE.start_main_~x~4 140), 91127#(<= ULTIMATE.start_main_~x~4 146), 91126#(<= ULTIMATE.start_main_~x~4 144), 91129#(<= ULTIMATE.start_main_~x~4 150), 91128#(<= ULTIMATE.start_main_~x~4 148), 91131#(<= ULTIMATE.start_main_~x~4 154), 91130#(<= ULTIMATE.start_main_~x~4 152), 91133#(<= ULTIMATE.start_main_~x~4 158), 91132#(<= ULTIMATE.start_main_~x~4 156), 91135#(<= ULTIMATE.start_main_~x~4 162), 91134#(<= ULTIMATE.start_main_~x~4 160)] [2018-07-23 13:43:02,578 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 13:43:02,578 INFO L450 AbstractCegarLoop]: Interpolant automaton has 189 states [2018-07-23 13:43:02,580 INFO L132 InterpolantAutomaton]: Constructing interpolant automaton starting with 189 interpolants. [2018-07-23 13:43:02,582 INFO L133 InterpolantAutomaton]: CoverageRelationStatistics Valid=17766, Invalid=17766, Unknown=0, NotChecked=0, Total=35532 [2018-07-23 13:43:02,582 INFO L87 Difference]: Start difference. First operand 190 states and 190 transitions. Second operand 189 states. [2018-07-23 13:43:02,889 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2018-07-23 13:43:02,889 INFO L93 Difference]: Finished difference Result 193 states and 193 transitions. [2018-07-23 13:43:02,889 INFO L142 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 189 states. [2018-07-23 13:43:02,889 INFO L78 Accepts]: Start accepts. Automaton has 189 states. Word has length 189 [2018-07-23 13:43:02,889 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2018-07-23 13:43:02,890 INFO L225 Difference]: With dead ends: 193 [2018-07-23 13:43:02,890 INFO L226 Difference]: Without dead ends: 191 [2018-07-23 13:43:02,892 INFO L575 BasicCegarLoop]: 0 DeclaredPredicates, 188 GetRequests, 1 SyntacticMatches, 0 SemanticMatches, 187 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 0 ImplicationChecksByTransitivity, 0.6s TimeCoverageRelationStatistics Valid=17766, Invalid=17766, Unknown=0, NotChecked=0, Total=35532 [2018-07-23 13:43:02,892 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 191 states. [2018-07-23 13:43:02,893 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 191 to 191. [2018-07-23 13:43:02,894 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 191 states. [2018-07-23 13:43:02,894 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 191 states to 191 states and 191 transitions. [2018-07-23 13:43:02,894 INFO L78 Accepts]: Start accepts. Automaton has 191 states and 191 transitions. Word has length 189 [2018-07-23 13:43:02,894 INFO L84 Accepts]: Finished accepts. word is rejected. [2018-07-23 13:43:02,894 INFO L471 AbstractCegarLoop]: Abstraction has 191 states and 191 transitions. [2018-07-23 13:43:02,894 INFO L472 AbstractCegarLoop]: Interpolant automaton has 189 states. [2018-07-23 13:43:02,894 INFO L276 IsEmpty]: Start isEmpty. Operand 191 states and 191 transitions. [2018-07-23 13:43:02,895 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 191 [2018-07-23 13:43:02,895 INFO L349 BasicCegarLoop]: Found error trace [2018-07-23 13:43:02,895 INFO L357 BasicCegarLoop]: trace histogram [187, 1, 1, 1] [2018-07-23 13:43:02,895 INFO L414 AbstractCegarLoop]: === Iteration 188 === [ULTIMATE.startErr0AssertViolationASSERT]=== [2018-07-23 13:43:02,895 INFO L82 PathProgramCache]: Analyzing trace with hash 499517896, now seen corresponding path program 187 times [2018-07-23 13:43:02,895 INFO L69 tionRefinementEngine]: Using refinement strategy FixedRefinementStrategy [2018-07-23 13:43:02,908 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-07-23 13:43:03,638 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 13:43:03,638 INFO L309 seRefinementStrategy]: Constructing automaton from 0 perfect and 1 imperfect interpolant sequences. [2018-07-23 13:43:03,638 INFO L324 seRefinementStrategy]: Number of different interpolants: perfect sequences [] imperfect sequences [189] total 189 [2018-07-23 13:43:03,639 INFO L142 lantAutomatonBuilder]: Constructing canonical interpolant automaton, with selfloop in false state [2018-07-23 13:43:03,639 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2018-07-23 13:43:03,639 INFO L185 omatonBuilderFactory]: Interpolants [92161#(<= ULTIMATE.start_main_~x~4 300), 92160#(<= ULTIMATE.start_main_~x~4 298), 92163#(<= ULTIMATE.start_main_~x~4 304), 92162#(<= ULTIMATE.start_main_~x~4 302), 92165#(<= ULTIMATE.start_main_~x~4 308), 92164#(<= ULTIMATE.start_main_~x~4 306), 92167#(<= ULTIMATE.start_main_~x~4 312), 92166#(<= ULTIMATE.start_main_~x~4 310), 92169#(<= ULTIMATE.start_main_~x~4 316), 92168#(<= ULTIMATE.start_main_~x~4 314), 92171#(<= ULTIMATE.start_main_~x~4 320), 92170#(<= ULTIMATE.start_main_~x~4 318), 92173#(<= ULTIMATE.start_main_~x~4 324), 92172#(<= ULTIMATE.start_main_~x~4 322), 92175#(<= ULTIMATE.start_main_~x~4 328), 92174#(<= ULTIMATE.start_main_~x~4 326), 92177#(<= ULTIMATE.start_main_~x~4 332), 92176#(<= ULTIMATE.start_main_~x~4 330), 92179#(<= ULTIMATE.start_main_~x~4 336), 92178#(<= ULTIMATE.start_main_~x~4 334), 92181#(<= ULTIMATE.start_main_~x~4 340), 92180#(<= ULTIMATE.start_main_~x~4 338), 92183#(<= ULTIMATE.start_main_~x~4 344), 92182#(<= ULTIMATE.start_main_~x~4 342), 92185#(<= ULTIMATE.start_main_~x~4 348), 92184#(<= ULTIMATE.start_main_~x~4 346), 92187#(<= ULTIMATE.start_main_~x~4 352), 92186#(<= ULTIMATE.start_main_~x~4 350), 92189#(<= ULTIMATE.start_main_~x~4 356), 92188#(<= ULTIMATE.start_main_~x~4 354), 92191#(<= ULTIMATE.start_main_~x~4 360), 92190#(<= ULTIMATE.start_main_~x~4 358), 92193#(<= ULTIMATE.start_main_~x~4 364), 92192#(<= ULTIMATE.start_main_~x~4 362), 92195#(<= ULTIMATE.start_main_~x~4 368), 92194#(<= ULTIMATE.start_main_~x~4 366), 92197#(<= ULTIMATE.start_main_~x~4 372), 92196#(<= ULTIMATE.start_main_~x~4 370), 92199#(<= ULTIMATE.start_main_~x~4 376), 92198#(<= ULTIMATE.start_main_~x~4 374), 92201#(<= ULTIMATE.start_main_~x~4 380), 92200#(<= ULTIMATE.start_main_~x~4 378), 92203#(<= ULTIMATE.start_main_~x~4 384), 92202#(<= ULTIMATE.start_main_~x~4 382), 92015#false, 92014#true, 92017#(<= ULTIMATE.start_main_~x~4 12), 92016#(<= ULTIMATE.start_main_~x~4 10), 92019#(<= ULTIMATE.start_main_~x~4 16), 92018#(<= ULTIMATE.start_main_~x~4 14), 92021#(<= ULTIMATE.start_main_~x~4 20), 92020#(<= ULTIMATE.start_main_~x~4 18), 92023#(<= ULTIMATE.start_main_~x~4 24), 92022#(<= ULTIMATE.start_main_~x~4 22), 92025#(<= ULTIMATE.start_main_~x~4 28), 92024#(<= ULTIMATE.start_main_~x~4 26), 92027#(<= ULTIMATE.start_main_~x~4 32), 92026#(<= ULTIMATE.start_main_~x~4 30), 92029#(<= ULTIMATE.start_main_~x~4 36), 92028#(<= ULTIMATE.start_main_~x~4 34), 92031#(<= ULTIMATE.start_main_~x~4 40), 92030#(<= ULTIMATE.start_main_~x~4 38), 92033#(<= ULTIMATE.start_main_~x~4 44), 92032#(<= ULTIMATE.start_main_~x~4 42), 92035#(<= ULTIMATE.start_main_~x~4 48), 92034#(<= ULTIMATE.start_main_~x~4 46), 92037#(<= ULTIMATE.start_main_~x~4 52), 92036#(<= ULTIMATE.start_main_~x~4 50), 92039#(<= ULTIMATE.start_main_~x~4 56), 92038#(<= ULTIMATE.start_main_~x~4 54), 92041#(<= ULTIMATE.start_main_~x~4 60), 92040#(<= ULTIMATE.start_main_~x~4 58), 92043#(<= ULTIMATE.start_main_~x~4 64), 92042#(<= ULTIMATE.start_main_~x~4 62), 92045#(<= ULTIMATE.start_main_~x~4 68), 92044#(<= ULTIMATE.start_main_~x~4 66), 92047#(<= ULTIMATE.start_main_~x~4 72), 92046#(<= ULTIMATE.start_main_~x~4 70), 92049#(<= ULTIMATE.start_main_~x~4 76), 92048#(<= ULTIMATE.start_main_~x~4 74), 92051#(<= ULTIMATE.start_main_~x~4 80), 92050#(<= ULTIMATE.start_main_~x~4 78), 92053#(<= ULTIMATE.start_main_~x~4 84), 92052#(<= ULTIMATE.start_main_~x~4 82), 92055#(<= ULTIMATE.start_main_~x~4 88), 92054#(<= ULTIMATE.start_main_~x~4 86), 92057#(<= ULTIMATE.start_main_~x~4 92), 92056#(<= ULTIMATE.start_main_~x~4 90), 92059#(<= ULTIMATE.start_main_~x~4 96), 92058#(<= ULTIMATE.start_main_~x~4 94), 92061#(<= ULTIMATE.start_main_~x~4 100), 92060#(<= ULTIMATE.start_main_~x~4 98), 92063#(<= ULTIMATE.start_main_~x~4 104), 92062#(<= ULTIMATE.start_main_~x~4 102), 92065#(<= ULTIMATE.start_main_~x~4 108), 92064#(<= ULTIMATE.start_main_~x~4 106), 92067#(<= ULTIMATE.start_main_~x~4 112), 92066#(<= ULTIMATE.start_main_~x~4 110), 92069#(<= ULTIMATE.start_main_~x~4 116), 92068#(<= ULTIMATE.start_main_~x~4 114), 92071#(<= ULTIMATE.start_main_~x~4 120), 92070#(<= ULTIMATE.start_main_~x~4 118), 92073#(<= ULTIMATE.start_main_~x~4 124), 92072#(<= ULTIMATE.start_main_~x~4 122), 92075#(<= ULTIMATE.start_main_~x~4 128), 92074#(<= ULTIMATE.start_main_~x~4 126), 92077#(<= ULTIMATE.start_main_~x~4 132), 92076#(<= ULTIMATE.start_main_~x~4 130), 92079#(<= ULTIMATE.start_main_~x~4 136), 92078#(<= ULTIMATE.start_main_~x~4 134), 92081#(<= ULTIMATE.start_main_~x~4 140), 92080#(<= ULTIMATE.start_main_~x~4 138), 92083#(<= ULTIMATE.start_main_~x~4 144), 92082#(<= ULTIMATE.start_main_~x~4 142), 92085#(<= ULTIMATE.start_main_~x~4 148), 92084#(<= ULTIMATE.start_main_~x~4 146), 92087#(<= ULTIMATE.start_main_~x~4 152), 92086#(<= ULTIMATE.start_main_~x~4 150), 92089#(<= ULTIMATE.start_main_~x~4 156), 92088#(<= ULTIMATE.start_main_~x~4 154), 92091#(<= ULTIMATE.start_main_~x~4 160), 92090#(<= ULTIMATE.start_main_~x~4 158), 92093#(<= ULTIMATE.start_main_~x~4 164), 92092#(<= ULTIMATE.start_main_~x~4 162), 92095#(<= ULTIMATE.start_main_~x~4 168), 92094#(<= ULTIMATE.start_main_~x~4 166), 92097#(<= ULTIMATE.start_main_~x~4 172), 92096#(<= ULTIMATE.start_main_~x~4 170), 92099#(<= ULTIMATE.start_main_~x~4 176), 92098#(<= ULTIMATE.start_main_~x~4 174), 92101#(<= ULTIMATE.start_main_~x~4 180), 92100#(<= ULTIMATE.start_main_~x~4 178), 92103#(<= ULTIMATE.start_main_~x~4 184), 92102#(<= ULTIMATE.start_main_~x~4 182), 92105#(<= ULTIMATE.start_main_~x~4 188), 92104#(<= ULTIMATE.start_main_~x~4 186), 92107#(<= ULTIMATE.start_main_~x~4 192), 92106#(<= ULTIMATE.start_main_~x~4 190), 92109#(<= ULTIMATE.start_main_~x~4 196), 92108#(<= ULTIMATE.start_main_~x~4 194), 92111#(<= ULTIMATE.start_main_~x~4 200), 92110#(<= ULTIMATE.start_main_~x~4 198), 92113#(<= ULTIMATE.start_main_~x~4 204), 92112#(<= ULTIMATE.start_main_~x~4 202), 92115#(<= ULTIMATE.start_main_~x~4 208), 92114#(<= ULTIMATE.start_main_~x~4 206), 92117#(<= ULTIMATE.start_main_~x~4 212), 92116#(<= ULTIMATE.start_main_~x~4 210), 92119#(<= ULTIMATE.start_main_~x~4 216), 92118#(<= ULTIMATE.start_main_~x~4 214), 92121#(<= ULTIMATE.start_main_~x~4 220), 92120#(<= ULTIMATE.start_main_~x~4 218), 92123#(<= ULTIMATE.start_main_~x~4 224), 92122#(<= ULTIMATE.start_main_~x~4 222), 92125#(<= ULTIMATE.start_main_~x~4 228), 92124#(<= ULTIMATE.start_main_~x~4 226), 92127#(<= ULTIMATE.start_main_~x~4 232), 92126#(<= ULTIMATE.start_main_~x~4 230), 92129#(<= ULTIMATE.start_main_~x~4 236), 92128#(<= ULTIMATE.start_main_~x~4 234), 92131#(<= ULTIMATE.start_main_~x~4 240), 92130#(<= ULTIMATE.start_main_~x~4 238), 92133#(<= ULTIMATE.start_main_~x~4 244), 92132#(<= ULTIMATE.start_main_~x~4 242), 92135#(<= ULTIMATE.start_main_~x~4 248), 92134#(<= ULTIMATE.start_main_~x~4 246), 92137#(<= ULTIMATE.start_main_~x~4 252), 92136#(<= ULTIMATE.start_main_~x~4 250), 92139#(<= ULTIMATE.start_main_~x~4 256), 92138#(<= ULTIMATE.start_main_~x~4 254), 92141#(<= ULTIMATE.start_main_~x~4 260), 92140#(<= ULTIMATE.start_main_~x~4 258), 92143#(<= ULTIMATE.start_main_~x~4 264), 92142#(<= ULTIMATE.start_main_~x~4 262), 92145#(<= ULTIMATE.start_main_~x~4 268), 92144#(<= ULTIMATE.start_main_~x~4 266), 92147#(<= ULTIMATE.start_main_~x~4 272), 92146#(<= ULTIMATE.start_main_~x~4 270), 92149#(<= ULTIMATE.start_main_~x~4 276), 92148#(<= ULTIMATE.start_main_~x~4 274), 92151#(<= ULTIMATE.start_main_~x~4 280), 92150#(<= ULTIMATE.start_main_~x~4 278), 92153#(<= ULTIMATE.start_main_~x~4 284), 92152#(<= ULTIMATE.start_main_~x~4 282), 92155#(<= ULTIMATE.start_main_~x~4 288), 92154#(<= ULTIMATE.start_main_~x~4 286), 92157#(<= ULTIMATE.start_main_~x~4 292), 92156#(<= ULTIMATE.start_main_~x~4 290), 92159#(<= ULTIMATE.start_main_~x~4 296), 92158#(<= ULTIMATE.start_main_~x~4 294)] [2018-07-23 13:43:03,640 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 13:43:03,640 INFO L450 AbstractCegarLoop]: Interpolant automaton has 190 states [2018-07-23 13:43:03,643 INFO L132 InterpolantAutomaton]: Constructing interpolant automaton starting with 190 interpolants. [2018-07-23 13:43:03,645 INFO L133 InterpolantAutomaton]: CoverageRelationStatistics Valid=17955, Invalid=17955, Unknown=0, NotChecked=0, Total=35910 [2018-07-23 13:43:03,645 INFO L87 Difference]: Start difference. First operand 191 states and 191 transitions. Second operand 190 states. [2018-07-23 13:43:04,084 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2018-07-23 13:43:04,084 INFO L93 Difference]: Finished difference Result 194 states and 194 transitions. [2018-07-23 13:43:04,084 INFO L142 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 190 states. [2018-07-23 13:43:04,084 INFO L78 Accepts]: Start accepts. Automaton has 190 states. Word has length 190 [2018-07-23 13:43:04,085 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2018-07-23 13:43:04,085 INFO L225 Difference]: With dead ends: 194 [2018-07-23 13:43:04,085 INFO L226 Difference]: Without dead ends: 192 [2018-07-23 13:43:04,088 INFO L575 BasicCegarLoop]: 0 DeclaredPredicates, 189 GetRequests, 1 SyntacticMatches, 0 SemanticMatches, 188 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 0 ImplicationChecksByTransitivity, 0.6s TimeCoverageRelationStatistics Valid=17955, Invalid=17955, Unknown=0, NotChecked=0, Total=35910 [2018-07-23 13:43:04,089 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 192 states. [2018-07-23 13:43:04,091 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 192 to 192. [2018-07-23 13:43:04,091 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 192 states. [2018-07-23 13:43:04,091 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 192 states to 192 states and 192 transitions. [2018-07-23 13:43:04,091 INFO L78 Accepts]: Start accepts. Automaton has 192 states and 192 transitions. Word has length 190 [2018-07-23 13:43:04,091 INFO L84 Accepts]: Finished accepts. word is rejected. [2018-07-23 13:43:04,091 INFO L471 AbstractCegarLoop]: Abstraction has 192 states and 192 transitions. [2018-07-23 13:43:04,091 INFO L472 AbstractCegarLoop]: Interpolant automaton has 190 states. [2018-07-23 13:43:04,091 INFO L276 IsEmpty]: Start isEmpty. Operand 192 states and 192 transitions. [2018-07-23 13:43:04,092 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 192 [2018-07-23 13:43:04,092 INFO L349 BasicCegarLoop]: Found error trace [2018-07-23 13:43:04,092 INFO L357 BasicCegarLoop]: trace histogram [188, 1, 1, 1] [2018-07-23 13:43:04,092 INFO L414 AbstractCegarLoop]: === Iteration 189 === [ULTIMATE.startErr0AssertViolationASSERT]=== [2018-07-23 13:43:04,092 INFO L82 PathProgramCache]: Analyzing trace with hash -1694816383, now seen corresponding path program 188 times [2018-07-23 13:43:04,092 INFO L69 tionRefinementEngine]: Using refinement strategy FixedRefinementStrategy [2018-07-23 13:43:04,108 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-07-23 13:43:04,888 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 13:43:04,889 INFO L309 seRefinementStrategy]: Constructing automaton from 0 perfect and 1 imperfect interpolant sequences. [2018-07-23 13:43:04,889 INFO L324 seRefinementStrategy]: Number of different interpolants: perfect sequences [] imperfect sequences [190] total 190 [2018-07-23 13:43:04,889 INFO L142 lantAutomatonBuilder]: Constructing canonical interpolant automaton, with selfloop in false state [2018-07-23 13:43:04,889 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2018-07-23 13:43:04,890 INFO L185 omatonBuilderFactory]: Interpolants [92977#false, 92976#true, 92979#(<= ULTIMATE.start_main_~x~4 12), 92978#(<= ULTIMATE.start_main_~x~4 10), 92981#(<= ULTIMATE.start_main_~x~4 16), 92980#(<= ULTIMATE.start_main_~x~4 14), 92983#(<= ULTIMATE.start_main_~x~4 20), 92982#(<= ULTIMATE.start_main_~x~4 18), 92985#(<= ULTIMATE.start_main_~x~4 24), 92984#(<= ULTIMATE.start_main_~x~4 22), 92987#(<= ULTIMATE.start_main_~x~4 28), 92986#(<= ULTIMATE.start_main_~x~4 26), 92989#(<= ULTIMATE.start_main_~x~4 32), 92988#(<= ULTIMATE.start_main_~x~4 30), 92991#(<= ULTIMATE.start_main_~x~4 36), 92990#(<= ULTIMATE.start_main_~x~4 34), 92993#(<= ULTIMATE.start_main_~x~4 40), 92992#(<= ULTIMATE.start_main_~x~4 38), 92995#(<= ULTIMATE.start_main_~x~4 44), 92994#(<= ULTIMATE.start_main_~x~4 42), 92997#(<= ULTIMATE.start_main_~x~4 48), 92996#(<= ULTIMATE.start_main_~x~4 46), 92999#(<= ULTIMATE.start_main_~x~4 52), 92998#(<= ULTIMATE.start_main_~x~4 50), 93001#(<= ULTIMATE.start_main_~x~4 56), 93000#(<= ULTIMATE.start_main_~x~4 54), 93003#(<= ULTIMATE.start_main_~x~4 60), 93002#(<= ULTIMATE.start_main_~x~4 58), 93005#(<= ULTIMATE.start_main_~x~4 64), 93004#(<= ULTIMATE.start_main_~x~4 62), 93007#(<= ULTIMATE.start_main_~x~4 68), 93006#(<= ULTIMATE.start_main_~x~4 66), 93009#(<= ULTIMATE.start_main_~x~4 72), 93008#(<= ULTIMATE.start_main_~x~4 70), 93011#(<= ULTIMATE.start_main_~x~4 76), 93010#(<= ULTIMATE.start_main_~x~4 74), 93013#(<= ULTIMATE.start_main_~x~4 80), 93012#(<= ULTIMATE.start_main_~x~4 78), 93015#(<= ULTIMATE.start_main_~x~4 84), 93014#(<= ULTIMATE.start_main_~x~4 82), 93017#(<= ULTIMATE.start_main_~x~4 88), 93016#(<= ULTIMATE.start_main_~x~4 86), 93019#(<= ULTIMATE.start_main_~x~4 92), 93018#(<= ULTIMATE.start_main_~x~4 90), 93021#(<= ULTIMATE.start_main_~x~4 96), 93020#(<= ULTIMATE.start_main_~x~4 94), 93023#(<= ULTIMATE.start_main_~x~4 100), 93022#(<= ULTIMATE.start_main_~x~4 98), 93025#(<= ULTIMATE.start_main_~x~4 104), 93024#(<= ULTIMATE.start_main_~x~4 102), 93027#(<= ULTIMATE.start_main_~x~4 108), 93026#(<= ULTIMATE.start_main_~x~4 106), 93029#(<= ULTIMATE.start_main_~x~4 112), 93028#(<= ULTIMATE.start_main_~x~4 110), 93031#(<= ULTIMATE.start_main_~x~4 116), 93030#(<= ULTIMATE.start_main_~x~4 114), 93033#(<= ULTIMATE.start_main_~x~4 120), 93032#(<= ULTIMATE.start_main_~x~4 118), 93035#(<= ULTIMATE.start_main_~x~4 124), 93034#(<= ULTIMATE.start_main_~x~4 122), 93037#(<= ULTIMATE.start_main_~x~4 128), 93036#(<= ULTIMATE.start_main_~x~4 126), 93039#(<= ULTIMATE.start_main_~x~4 132), 93038#(<= ULTIMATE.start_main_~x~4 130), 93041#(<= ULTIMATE.start_main_~x~4 136), 93040#(<= ULTIMATE.start_main_~x~4 134), 93043#(<= ULTIMATE.start_main_~x~4 140), 93042#(<= ULTIMATE.start_main_~x~4 138), 93045#(<= ULTIMATE.start_main_~x~4 144), 93044#(<= ULTIMATE.start_main_~x~4 142), 93047#(<= ULTIMATE.start_main_~x~4 148), 93046#(<= ULTIMATE.start_main_~x~4 146), 93049#(<= ULTIMATE.start_main_~x~4 152), 93048#(<= ULTIMATE.start_main_~x~4 150), 93051#(<= ULTIMATE.start_main_~x~4 156), 93050#(<= ULTIMATE.start_main_~x~4 154), 93053#(<= ULTIMATE.start_main_~x~4 160), 93052#(<= ULTIMATE.start_main_~x~4 158), 93055#(<= ULTIMATE.start_main_~x~4 164), 93054#(<= ULTIMATE.start_main_~x~4 162), 93057#(<= ULTIMATE.start_main_~x~4 168), 93056#(<= ULTIMATE.start_main_~x~4 166), 93059#(<= ULTIMATE.start_main_~x~4 172), 93058#(<= ULTIMATE.start_main_~x~4 170), 93061#(<= ULTIMATE.start_main_~x~4 176), 93060#(<= ULTIMATE.start_main_~x~4 174), 93063#(<= ULTIMATE.start_main_~x~4 180), 93062#(<= ULTIMATE.start_main_~x~4 178), 93065#(<= ULTIMATE.start_main_~x~4 184), 93064#(<= ULTIMATE.start_main_~x~4 182), 93067#(<= ULTIMATE.start_main_~x~4 188), 93066#(<= ULTIMATE.start_main_~x~4 186), 93069#(<= ULTIMATE.start_main_~x~4 192), 93068#(<= ULTIMATE.start_main_~x~4 190), 93071#(<= ULTIMATE.start_main_~x~4 196), 93070#(<= ULTIMATE.start_main_~x~4 194), 93073#(<= ULTIMATE.start_main_~x~4 200), 93072#(<= ULTIMATE.start_main_~x~4 198), 93075#(<= ULTIMATE.start_main_~x~4 204), 93074#(<= ULTIMATE.start_main_~x~4 202), 93077#(<= ULTIMATE.start_main_~x~4 208), 93076#(<= ULTIMATE.start_main_~x~4 206), 93079#(<= ULTIMATE.start_main_~x~4 212), 93078#(<= ULTIMATE.start_main_~x~4 210), 93081#(<= ULTIMATE.start_main_~x~4 216), 93080#(<= ULTIMATE.start_main_~x~4 214), 93083#(<= ULTIMATE.start_main_~x~4 220), 93082#(<= ULTIMATE.start_main_~x~4 218), 93085#(<= ULTIMATE.start_main_~x~4 224), 93084#(<= ULTIMATE.start_main_~x~4 222), 93087#(<= ULTIMATE.start_main_~x~4 228), 93086#(<= ULTIMATE.start_main_~x~4 226), 93089#(<= ULTIMATE.start_main_~x~4 232), 93088#(<= ULTIMATE.start_main_~x~4 230), 93091#(<= ULTIMATE.start_main_~x~4 236), 93090#(<= ULTIMATE.start_main_~x~4 234), 93093#(<= ULTIMATE.start_main_~x~4 240), 93092#(<= ULTIMATE.start_main_~x~4 238), 93095#(<= ULTIMATE.start_main_~x~4 244), 93094#(<= ULTIMATE.start_main_~x~4 242), 93097#(<= ULTIMATE.start_main_~x~4 248), 93096#(<= ULTIMATE.start_main_~x~4 246), 93099#(<= ULTIMATE.start_main_~x~4 252), 93098#(<= ULTIMATE.start_main_~x~4 250), 93101#(<= ULTIMATE.start_main_~x~4 256), 93100#(<= ULTIMATE.start_main_~x~4 254), 93103#(<= ULTIMATE.start_main_~x~4 260), 93102#(<= ULTIMATE.start_main_~x~4 258), 93105#(<= ULTIMATE.start_main_~x~4 264), 93104#(<= ULTIMATE.start_main_~x~4 262), 93107#(<= ULTIMATE.start_main_~x~4 268), 93106#(<= ULTIMATE.start_main_~x~4 266), 93109#(<= ULTIMATE.start_main_~x~4 272), 93108#(<= ULTIMATE.start_main_~x~4 270), 93111#(<= ULTIMATE.start_main_~x~4 276), 93110#(<= ULTIMATE.start_main_~x~4 274), 93113#(<= ULTIMATE.start_main_~x~4 280), 93112#(<= ULTIMATE.start_main_~x~4 278), 93115#(<= ULTIMATE.start_main_~x~4 284), 93114#(<= ULTIMATE.start_main_~x~4 282), 93117#(<= ULTIMATE.start_main_~x~4 288), 93116#(<= ULTIMATE.start_main_~x~4 286), 93119#(<= ULTIMATE.start_main_~x~4 292), 93118#(<= ULTIMATE.start_main_~x~4 290), 93121#(<= ULTIMATE.start_main_~x~4 296), 93120#(<= ULTIMATE.start_main_~x~4 294), 93123#(<= ULTIMATE.start_main_~x~4 300), 93122#(<= ULTIMATE.start_main_~x~4 298), 93125#(<= ULTIMATE.start_main_~x~4 304), 93124#(<= ULTIMATE.start_main_~x~4 302), 93127#(<= ULTIMATE.start_main_~x~4 308), 93126#(<= ULTIMATE.start_main_~x~4 306), 93129#(<= ULTIMATE.start_main_~x~4 312), 93128#(<= ULTIMATE.start_main_~x~4 310), 93131#(<= ULTIMATE.start_main_~x~4 316), 93130#(<= ULTIMATE.start_main_~x~4 314), 93133#(<= ULTIMATE.start_main_~x~4 320), 93132#(<= ULTIMATE.start_main_~x~4 318), 93135#(<= ULTIMATE.start_main_~x~4 324), 93134#(<= ULTIMATE.start_main_~x~4 322), 93137#(<= ULTIMATE.start_main_~x~4 328), 93136#(<= ULTIMATE.start_main_~x~4 326), 93139#(<= ULTIMATE.start_main_~x~4 332), 93138#(<= ULTIMATE.start_main_~x~4 330), 93141#(<= ULTIMATE.start_main_~x~4 336), 93140#(<= ULTIMATE.start_main_~x~4 334), 93143#(<= ULTIMATE.start_main_~x~4 340), 93142#(<= ULTIMATE.start_main_~x~4 338), 93145#(<= ULTIMATE.start_main_~x~4 344), 93144#(<= ULTIMATE.start_main_~x~4 342), 93147#(<= ULTIMATE.start_main_~x~4 348), 93146#(<= ULTIMATE.start_main_~x~4 346), 93149#(<= ULTIMATE.start_main_~x~4 352), 93148#(<= ULTIMATE.start_main_~x~4 350), 93151#(<= ULTIMATE.start_main_~x~4 356), 93150#(<= ULTIMATE.start_main_~x~4 354), 93153#(<= ULTIMATE.start_main_~x~4 360), 93152#(<= ULTIMATE.start_main_~x~4 358), 93155#(<= ULTIMATE.start_main_~x~4 364), 93154#(<= ULTIMATE.start_main_~x~4 362), 93157#(<= ULTIMATE.start_main_~x~4 368), 93156#(<= ULTIMATE.start_main_~x~4 366), 93159#(<= ULTIMATE.start_main_~x~4 372), 93158#(<= ULTIMATE.start_main_~x~4 370), 93161#(<= ULTIMATE.start_main_~x~4 376), 93160#(<= ULTIMATE.start_main_~x~4 374), 93163#(<= ULTIMATE.start_main_~x~4 380), 93162#(<= ULTIMATE.start_main_~x~4 378), 93165#(<= ULTIMATE.start_main_~x~4 384), 93164#(<= ULTIMATE.start_main_~x~4 382), 93166#(<= ULTIMATE.start_main_~x~4 386)] [2018-07-23 13:43:04,891 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 13:43:04,891 INFO L450 AbstractCegarLoop]: Interpolant automaton has 191 states [2018-07-23 13:43:04,893 INFO L132 InterpolantAutomaton]: Constructing interpolant automaton starting with 191 interpolants. [2018-07-23 13:43:04,895 INFO L133 InterpolantAutomaton]: CoverageRelationStatistics Valid=18145, Invalid=18145, Unknown=0, NotChecked=0, Total=36290 [2018-07-23 13:43:04,895 INFO L87 Difference]: Start difference. First operand 192 states and 192 transitions. Second operand 191 states. [2018-07-23 13:43:05,614 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2018-07-23 13:43:05,614 INFO L93 Difference]: Finished difference Result 195 states and 195 transitions. [2018-07-23 13:43:05,614 INFO L142 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 191 states. [2018-07-23 13:43:05,614 INFO L78 Accepts]: Start accepts. Automaton has 191 states. Word has length 191 [2018-07-23 13:43:05,614 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2018-07-23 13:43:05,615 INFO L225 Difference]: With dead ends: 195 [2018-07-23 13:43:05,615 INFO L226 Difference]: Without dead ends: 193 [2018-07-23 13:43:05,616 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 13:43:05,616 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 193 states. [2018-07-23 13:43:05,619 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 193 to 193. [2018-07-23 13:43:05,619 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 193 states. [2018-07-23 13:43:05,619 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 193 states to 193 states and 193 transitions. [2018-07-23 13:43:05,619 INFO L78 Accepts]: Start accepts. Automaton has 193 states and 193 transitions. Word has length 191 [2018-07-23 13:43:05,620 INFO L84 Accepts]: Finished accepts. word is rejected. [2018-07-23 13:43:05,620 INFO L471 AbstractCegarLoop]: Abstraction has 193 states and 193 transitions. [2018-07-23 13:43:05,620 INFO L472 AbstractCegarLoop]: Interpolant automaton has 191 states. [2018-07-23 13:43:05,620 INFO L276 IsEmpty]: Start isEmpty. Operand 193 states and 193 transitions. [2018-07-23 13:43:05,620 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 193 [2018-07-23 13:43:05,621 INFO L349 BasicCegarLoop]: Found error trace [2018-07-23 13:43:05,621 INFO L357 BasicCegarLoop]: trace histogram [189, 1, 1, 1] [2018-07-23 13:43:05,621 INFO L414 AbstractCegarLoop]: === Iteration 190 === [ULTIMATE.startErr0AssertViolationASSERT]=== [2018-07-23 13:43:05,621 INFO L82 PathProgramCache]: Analyzing trace with hash -999702296, now seen corresponding path program 189 times [2018-07-23 13:43:05,621 INFO L69 tionRefinementEngine]: Using refinement strategy FixedRefinementStrategy [2018-07-23 13:43:05,641 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-07-23 13:43:06,486 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 13:43:06,486 INFO L309 seRefinementStrategy]: Constructing automaton from 0 perfect and 1 imperfect interpolant sequences. [2018-07-23 13:43:06,486 INFO L324 seRefinementStrategy]: Number of different interpolants: perfect sequences [] imperfect sequences [191] total 191 [2018-07-23 13:43:06,486 INFO L142 lantAutomatonBuilder]: Constructing canonical interpolant automaton, with selfloop in false state [2018-07-23 13:43:06,487 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2018-07-23 13:43:06,487 INFO L185 omatonBuilderFactory]: Interpolants [93953#(<= ULTIMATE.start_main_~x~4 26), 93952#(<= ULTIMATE.start_main_~x~4 24), 93955#(<= ULTIMATE.start_main_~x~4 30), 93954#(<= ULTIMATE.start_main_~x~4 28), 93957#(<= ULTIMATE.start_main_~x~4 34), 93956#(<= ULTIMATE.start_main_~x~4 32), 93959#(<= ULTIMATE.start_main_~x~4 38), 93958#(<= ULTIMATE.start_main_~x~4 36), 93961#(<= ULTIMATE.start_main_~x~4 42), 93960#(<= ULTIMATE.start_main_~x~4 40), 93963#(<= ULTIMATE.start_main_~x~4 46), 93962#(<= ULTIMATE.start_main_~x~4 44), 93965#(<= ULTIMATE.start_main_~x~4 50), 93964#(<= ULTIMATE.start_main_~x~4 48), 93967#(<= ULTIMATE.start_main_~x~4 54), 93966#(<= ULTIMATE.start_main_~x~4 52), 93969#(<= ULTIMATE.start_main_~x~4 58), 93968#(<= ULTIMATE.start_main_~x~4 56), 93971#(<= ULTIMATE.start_main_~x~4 62), 93970#(<= ULTIMATE.start_main_~x~4 60), 93973#(<= ULTIMATE.start_main_~x~4 66), 93972#(<= ULTIMATE.start_main_~x~4 64), 93975#(<= ULTIMATE.start_main_~x~4 70), 93974#(<= ULTIMATE.start_main_~x~4 68), 93977#(<= ULTIMATE.start_main_~x~4 74), 93976#(<= ULTIMATE.start_main_~x~4 72), 93979#(<= ULTIMATE.start_main_~x~4 78), 93978#(<= ULTIMATE.start_main_~x~4 76), 93981#(<= ULTIMATE.start_main_~x~4 82), 93980#(<= ULTIMATE.start_main_~x~4 80), 93983#(<= ULTIMATE.start_main_~x~4 86), 93982#(<= ULTIMATE.start_main_~x~4 84), 93985#(<= ULTIMATE.start_main_~x~4 90), 93984#(<= ULTIMATE.start_main_~x~4 88), 93987#(<= ULTIMATE.start_main_~x~4 94), 93986#(<= ULTIMATE.start_main_~x~4 92), 93989#(<= ULTIMATE.start_main_~x~4 98), 93988#(<= ULTIMATE.start_main_~x~4 96), 93991#(<= ULTIMATE.start_main_~x~4 102), 93990#(<= ULTIMATE.start_main_~x~4 100), 93993#(<= ULTIMATE.start_main_~x~4 106), 93992#(<= ULTIMATE.start_main_~x~4 104), 93995#(<= ULTIMATE.start_main_~x~4 110), 93994#(<= ULTIMATE.start_main_~x~4 108), 93997#(<= ULTIMATE.start_main_~x~4 114), 93996#(<= ULTIMATE.start_main_~x~4 112), 93999#(<= ULTIMATE.start_main_~x~4 118), 93998#(<= ULTIMATE.start_main_~x~4 116), 94001#(<= ULTIMATE.start_main_~x~4 122), 94000#(<= ULTIMATE.start_main_~x~4 120), 94003#(<= ULTIMATE.start_main_~x~4 126), 94002#(<= ULTIMATE.start_main_~x~4 124), 94005#(<= ULTIMATE.start_main_~x~4 130), 94004#(<= ULTIMATE.start_main_~x~4 128), 94007#(<= ULTIMATE.start_main_~x~4 134), 94006#(<= ULTIMATE.start_main_~x~4 132), 94009#(<= ULTIMATE.start_main_~x~4 138), 94008#(<= ULTIMATE.start_main_~x~4 136), 94011#(<= ULTIMATE.start_main_~x~4 142), 94010#(<= ULTIMATE.start_main_~x~4 140), 94013#(<= ULTIMATE.start_main_~x~4 146), 94012#(<= ULTIMATE.start_main_~x~4 144), 94015#(<= ULTIMATE.start_main_~x~4 150), 94014#(<= ULTIMATE.start_main_~x~4 148), 94017#(<= ULTIMATE.start_main_~x~4 154), 94016#(<= ULTIMATE.start_main_~x~4 152), 94019#(<= ULTIMATE.start_main_~x~4 158), 94018#(<= ULTIMATE.start_main_~x~4 156), 94021#(<= ULTIMATE.start_main_~x~4 162), 94020#(<= ULTIMATE.start_main_~x~4 160), 94023#(<= ULTIMATE.start_main_~x~4 166), 94022#(<= ULTIMATE.start_main_~x~4 164), 94025#(<= ULTIMATE.start_main_~x~4 170), 94024#(<= ULTIMATE.start_main_~x~4 168), 94027#(<= ULTIMATE.start_main_~x~4 174), 94026#(<= ULTIMATE.start_main_~x~4 172), 94029#(<= ULTIMATE.start_main_~x~4 178), 94028#(<= ULTIMATE.start_main_~x~4 176), 94031#(<= ULTIMATE.start_main_~x~4 182), 94030#(<= ULTIMATE.start_main_~x~4 180), 94033#(<= ULTIMATE.start_main_~x~4 186), 94032#(<= ULTIMATE.start_main_~x~4 184), 94035#(<= ULTIMATE.start_main_~x~4 190), 94034#(<= ULTIMATE.start_main_~x~4 188), 94037#(<= ULTIMATE.start_main_~x~4 194), 94036#(<= ULTIMATE.start_main_~x~4 192), 94039#(<= ULTIMATE.start_main_~x~4 198), 94038#(<= ULTIMATE.start_main_~x~4 196), 94041#(<= ULTIMATE.start_main_~x~4 202), 94040#(<= ULTIMATE.start_main_~x~4 200), 94043#(<= ULTIMATE.start_main_~x~4 206), 94042#(<= ULTIMATE.start_main_~x~4 204), 94045#(<= ULTIMATE.start_main_~x~4 210), 94044#(<= ULTIMATE.start_main_~x~4 208), 94047#(<= ULTIMATE.start_main_~x~4 214), 94046#(<= ULTIMATE.start_main_~x~4 212), 94049#(<= ULTIMATE.start_main_~x~4 218), 94048#(<= ULTIMATE.start_main_~x~4 216), 94051#(<= ULTIMATE.start_main_~x~4 222), 94050#(<= ULTIMATE.start_main_~x~4 220), 94053#(<= ULTIMATE.start_main_~x~4 226), 94052#(<= ULTIMATE.start_main_~x~4 224), 94055#(<= ULTIMATE.start_main_~x~4 230), 94054#(<= ULTIMATE.start_main_~x~4 228), 94057#(<= ULTIMATE.start_main_~x~4 234), 94056#(<= ULTIMATE.start_main_~x~4 232), 94059#(<= ULTIMATE.start_main_~x~4 238), 94058#(<= ULTIMATE.start_main_~x~4 236), 94061#(<= ULTIMATE.start_main_~x~4 242), 94060#(<= ULTIMATE.start_main_~x~4 240), 94063#(<= ULTIMATE.start_main_~x~4 246), 94062#(<= ULTIMATE.start_main_~x~4 244), 94065#(<= ULTIMATE.start_main_~x~4 250), 94064#(<= ULTIMATE.start_main_~x~4 248), 94067#(<= ULTIMATE.start_main_~x~4 254), 94066#(<= ULTIMATE.start_main_~x~4 252), 94069#(<= ULTIMATE.start_main_~x~4 258), 94068#(<= ULTIMATE.start_main_~x~4 256), 94071#(<= ULTIMATE.start_main_~x~4 262), 94070#(<= ULTIMATE.start_main_~x~4 260), 94073#(<= ULTIMATE.start_main_~x~4 266), 94072#(<= ULTIMATE.start_main_~x~4 264), 94075#(<= ULTIMATE.start_main_~x~4 270), 94074#(<= ULTIMATE.start_main_~x~4 268), 94077#(<= ULTIMATE.start_main_~x~4 274), 94076#(<= ULTIMATE.start_main_~x~4 272), 94079#(<= ULTIMATE.start_main_~x~4 278), 94078#(<= ULTIMATE.start_main_~x~4 276), 94081#(<= ULTIMATE.start_main_~x~4 282), 94080#(<= ULTIMATE.start_main_~x~4 280), 94083#(<= ULTIMATE.start_main_~x~4 286), 94082#(<= ULTIMATE.start_main_~x~4 284), 94085#(<= ULTIMATE.start_main_~x~4 290), 94084#(<= ULTIMATE.start_main_~x~4 288), 94087#(<= ULTIMATE.start_main_~x~4 294), 94086#(<= ULTIMATE.start_main_~x~4 292), 94089#(<= ULTIMATE.start_main_~x~4 298), 94088#(<= ULTIMATE.start_main_~x~4 296), 94091#(<= ULTIMATE.start_main_~x~4 302), 94090#(<= ULTIMATE.start_main_~x~4 300), 94093#(<= ULTIMATE.start_main_~x~4 306), 94092#(<= ULTIMATE.start_main_~x~4 304), 94095#(<= ULTIMATE.start_main_~x~4 310), 94094#(<= ULTIMATE.start_main_~x~4 308), 94097#(<= ULTIMATE.start_main_~x~4 314), 94096#(<= ULTIMATE.start_main_~x~4 312), 94099#(<= ULTIMATE.start_main_~x~4 318), 94098#(<= ULTIMATE.start_main_~x~4 316), 94101#(<= ULTIMATE.start_main_~x~4 322), 94100#(<= ULTIMATE.start_main_~x~4 320), 94103#(<= ULTIMATE.start_main_~x~4 326), 94102#(<= ULTIMATE.start_main_~x~4 324), 94105#(<= ULTIMATE.start_main_~x~4 330), 94104#(<= ULTIMATE.start_main_~x~4 328), 94107#(<= ULTIMATE.start_main_~x~4 334), 94106#(<= ULTIMATE.start_main_~x~4 332), 94109#(<= ULTIMATE.start_main_~x~4 338), 94108#(<= ULTIMATE.start_main_~x~4 336), 94111#(<= ULTIMATE.start_main_~x~4 342), 94110#(<= ULTIMATE.start_main_~x~4 340), 94113#(<= ULTIMATE.start_main_~x~4 346), 94112#(<= ULTIMATE.start_main_~x~4 344), 94115#(<= ULTIMATE.start_main_~x~4 350), 94114#(<= ULTIMATE.start_main_~x~4 348), 94117#(<= ULTIMATE.start_main_~x~4 354), 94116#(<= ULTIMATE.start_main_~x~4 352), 94119#(<= ULTIMATE.start_main_~x~4 358), 94118#(<= ULTIMATE.start_main_~x~4 356), 94121#(<= ULTIMATE.start_main_~x~4 362), 94120#(<= ULTIMATE.start_main_~x~4 360), 94123#(<= ULTIMATE.start_main_~x~4 366), 94122#(<= ULTIMATE.start_main_~x~4 364), 94125#(<= ULTIMATE.start_main_~x~4 370), 94124#(<= ULTIMATE.start_main_~x~4 368), 94127#(<= ULTIMATE.start_main_~x~4 374), 94126#(<= ULTIMATE.start_main_~x~4 372), 94129#(<= ULTIMATE.start_main_~x~4 378), 94128#(<= ULTIMATE.start_main_~x~4 376), 94131#(<= ULTIMATE.start_main_~x~4 382), 94130#(<= ULTIMATE.start_main_~x~4 380), 94133#(<= ULTIMATE.start_main_~x~4 386), 94132#(<= ULTIMATE.start_main_~x~4 384), 94134#(<= ULTIMATE.start_main_~x~4 388), 93943#true, 93945#(<= ULTIMATE.start_main_~x~4 10), 93944#false, 93947#(<= ULTIMATE.start_main_~x~4 14), 93946#(<= ULTIMATE.start_main_~x~4 12), 93949#(<= ULTIMATE.start_main_~x~4 18), 93948#(<= ULTIMATE.start_main_~x~4 16), 93951#(<= ULTIMATE.start_main_~x~4 22), 93950#(<= ULTIMATE.start_main_~x~4 20)] [2018-07-23 13:43:06,488 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 13:43:06,488 INFO L450 AbstractCegarLoop]: Interpolant automaton has 192 states [2018-07-23 13:43:06,490 INFO L132 InterpolantAutomaton]: Constructing interpolant automaton starting with 192 interpolants. [2018-07-23 13:43:06,492 INFO L133 InterpolantAutomaton]: CoverageRelationStatistics Valid=18336, Invalid=18336, Unknown=0, NotChecked=0, Total=36672 [2018-07-23 13:43:06,492 INFO L87 Difference]: Start difference. First operand 193 states and 193 transitions. Second operand 192 states. [2018-07-23 13:43:07,480 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2018-07-23 13:43:07,480 INFO L93 Difference]: Finished difference Result 196 states and 196 transitions. [2018-07-23 13:43:07,480 INFO L142 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 192 states. [2018-07-23 13:43:07,480 INFO L78 Accepts]: Start accepts. Automaton has 192 states. Word has length 192 [2018-07-23 13:43:07,480 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2018-07-23 13:43:07,481 INFO L225 Difference]: With dead ends: 196 [2018-07-23 13:43:07,481 INFO L226 Difference]: Without dead ends: 194 [2018-07-23 13:43:07,483 INFO L575 BasicCegarLoop]: 0 DeclaredPredicates, 191 GetRequests, 1 SyntacticMatches, 0 SemanticMatches, 190 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 0 ImplicationChecksByTransitivity, 0.7s TimeCoverageRelationStatistics Valid=18336, Invalid=18336, Unknown=0, NotChecked=0, Total=36672 [2018-07-23 13:43:07,483 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 194 states. [2018-07-23 13:43:07,486 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 194 to 194. [2018-07-23 13:43:07,486 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 194 states. [2018-07-23 13:43:07,486 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 194 states to 194 states and 194 transitions. [2018-07-23 13:43:07,487 INFO L78 Accepts]: Start accepts. Automaton has 194 states and 194 transitions. Word has length 192 [2018-07-23 13:43:07,487 INFO L84 Accepts]: Finished accepts. word is rejected. [2018-07-23 13:43:07,487 INFO L471 AbstractCegarLoop]: Abstraction has 194 states and 194 transitions. [2018-07-23 13:43:07,487 INFO L472 AbstractCegarLoop]: Interpolant automaton has 192 states. [2018-07-23 13:43:07,487 INFO L276 IsEmpty]: Start isEmpty. Operand 194 states and 194 transitions. [2018-07-23 13:43:07,488 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 194 [2018-07-23 13:43:07,488 INFO L349 BasicCegarLoop]: Found error trace [2018-07-23 13:43:07,488 INFO L357 BasicCegarLoop]: trace histogram [190, 1, 1, 1] [2018-07-23 13:43:07,488 INFO L414 AbstractCegarLoop]: === Iteration 191 === [ULTIMATE.startErr0AssertViolationASSERT]=== [2018-07-23 13:43:07,488 INFO L82 PathProgramCache]: Analyzing trace with hash -926002079, now seen corresponding path program 190 times [2018-07-23 13:43:07,489 INFO L69 tionRefinementEngine]: Using refinement strategy FixedRefinementStrategy [2018-07-23 13:43:07,504 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-07-23 13:43:08,250 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 13:43:08,251 INFO L309 seRefinementStrategy]: Constructing automaton from 0 perfect and 1 imperfect interpolant sequences. [2018-07-23 13:43:08,251 INFO L324 seRefinementStrategy]: Number of different interpolants: perfect sequences [] imperfect sequences [192] total 192 [2018-07-23 13:43:08,251 INFO L142 lantAutomatonBuilder]: Constructing canonical interpolant automaton, with selfloop in false state [2018-07-23 13:43:08,251 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2018-07-23 13:43:08,252 INFO L185 omatonBuilderFactory]: Interpolants [94915#true, 94917#(<= ULTIMATE.start_main_~x~4 10), 94916#false, 94919#(<= ULTIMATE.start_main_~x~4 14), 94918#(<= ULTIMATE.start_main_~x~4 12), 94921#(<= ULTIMATE.start_main_~x~4 18), 94920#(<= ULTIMATE.start_main_~x~4 16), 94923#(<= ULTIMATE.start_main_~x~4 22), 94922#(<= ULTIMATE.start_main_~x~4 20), 94925#(<= ULTIMATE.start_main_~x~4 26), 94924#(<= ULTIMATE.start_main_~x~4 24), 94927#(<= ULTIMATE.start_main_~x~4 30), 94926#(<= ULTIMATE.start_main_~x~4 28), 94929#(<= ULTIMATE.start_main_~x~4 34), 94928#(<= ULTIMATE.start_main_~x~4 32), 94931#(<= ULTIMATE.start_main_~x~4 38), 94930#(<= ULTIMATE.start_main_~x~4 36), 94933#(<= ULTIMATE.start_main_~x~4 42), 94932#(<= ULTIMATE.start_main_~x~4 40), 94935#(<= ULTIMATE.start_main_~x~4 46), 94934#(<= ULTIMATE.start_main_~x~4 44), 94937#(<= ULTIMATE.start_main_~x~4 50), 94936#(<= ULTIMATE.start_main_~x~4 48), 94939#(<= ULTIMATE.start_main_~x~4 54), 94938#(<= ULTIMATE.start_main_~x~4 52), 94941#(<= ULTIMATE.start_main_~x~4 58), 94940#(<= ULTIMATE.start_main_~x~4 56), 94943#(<= ULTIMATE.start_main_~x~4 62), 94942#(<= ULTIMATE.start_main_~x~4 60), 94945#(<= ULTIMATE.start_main_~x~4 66), 94944#(<= ULTIMATE.start_main_~x~4 64), 94947#(<= ULTIMATE.start_main_~x~4 70), 94946#(<= ULTIMATE.start_main_~x~4 68), 94949#(<= ULTIMATE.start_main_~x~4 74), 94948#(<= ULTIMATE.start_main_~x~4 72), 94951#(<= ULTIMATE.start_main_~x~4 78), 94950#(<= ULTIMATE.start_main_~x~4 76), 94953#(<= ULTIMATE.start_main_~x~4 82), 94952#(<= ULTIMATE.start_main_~x~4 80), 94955#(<= ULTIMATE.start_main_~x~4 86), 94954#(<= ULTIMATE.start_main_~x~4 84), 94957#(<= ULTIMATE.start_main_~x~4 90), 94956#(<= ULTIMATE.start_main_~x~4 88), 94959#(<= ULTIMATE.start_main_~x~4 94), 94958#(<= ULTIMATE.start_main_~x~4 92), 94961#(<= ULTIMATE.start_main_~x~4 98), 94960#(<= ULTIMATE.start_main_~x~4 96), 94963#(<= ULTIMATE.start_main_~x~4 102), 94962#(<= ULTIMATE.start_main_~x~4 100), 94965#(<= ULTIMATE.start_main_~x~4 106), 94964#(<= ULTIMATE.start_main_~x~4 104), 94967#(<= ULTIMATE.start_main_~x~4 110), 94966#(<= ULTIMATE.start_main_~x~4 108), 94969#(<= ULTIMATE.start_main_~x~4 114), 94968#(<= ULTIMATE.start_main_~x~4 112), 94971#(<= ULTIMATE.start_main_~x~4 118), 94970#(<= ULTIMATE.start_main_~x~4 116), 94973#(<= ULTIMATE.start_main_~x~4 122), 94972#(<= ULTIMATE.start_main_~x~4 120), 94975#(<= ULTIMATE.start_main_~x~4 126), 94974#(<= ULTIMATE.start_main_~x~4 124), 94977#(<= ULTIMATE.start_main_~x~4 130), 94976#(<= ULTIMATE.start_main_~x~4 128), 94979#(<= ULTIMATE.start_main_~x~4 134), 94978#(<= ULTIMATE.start_main_~x~4 132), 94981#(<= ULTIMATE.start_main_~x~4 138), 94980#(<= ULTIMATE.start_main_~x~4 136), 94983#(<= ULTIMATE.start_main_~x~4 142), 94982#(<= ULTIMATE.start_main_~x~4 140), 94985#(<= ULTIMATE.start_main_~x~4 146), 94984#(<= ULTIMATE.start_main_~x~4 144), 94987#(<= ULTIMATE.start_main_~x~4 150), 94986#(<= ULTIMATE.start_main_~x~4 148), 94989#(<= ULTIMATE.start_main_~x~4 154), 94988#(<= ULTIMATE.start_main_~x~4 152), 94991#(<= ULTIMATE.start_main_~x~4 158), 94990#(<= ULTIMATE.start_main_~x~4 156), 94993#(<= ULTIMATE.start_main_~x~4 162), 94992#(<= ULTIMATE.start_main_~x~4 160), 94995#(<= ULTIMATE.start_main_~x~4 166), 94994#(<= ULTIMATE.start_main_~x~4 164), 94997#(<= ULTIMATE.start_main_~x~4 170), 94996#(<= ULTIMATE.start_main_~x~4 168), 94999#(<= ULTIMATE.start_main_~x~4 174), 94998#(<= ULTIMATE.start_main_~x~4 172), 95001#(<= ULTIMATE.start_main_~x~4 178), 95000#(<= ULTIMATE.start_main_~x~4 176), 95003#(<= ULTIMATE.start_main_~x~4 182), 95002#(<= ULTIMATE.start_main_~x~4 180), 95005#(<= ULTIMATE.start_main_~x~4 186), 95004#(<= ULTIMATE.start_main_~x~4 184), 95007#(<= ULTIMATE.start_main_~x~4 190), 95006#(<= ULTIMATE.start_main_~x~4 188), 95009#(<= ULTIMATE.start_main_~x~4 194), 95008#(<= ULTIMATE.start_main_~x~4 192), 95011#(<= ULTIMATE.start_main_~x~4 198), 95010#(<= ULTIMATE.start_main_~x~4 196), 95013#(<= ULTIMATE.start_main_~x~4 202), 95012#(<= ULTIMATE.start_main_~x~4 200), 95015#(<= ULTIMATE.start_main_~x~4 206), 95014#(<= ULTIMATE.start_main_~x~4 204), 95017#(<= ULTIMATE.start_main_~x~4 210), 95016#(<= ULTIMATE.start_main_~x~4 208), 95019#(<= ULTIMATE.start_main_~x~4 214), 95018#(<= ULTIMATE.start_main_~x~4 212), 95021#(<= ULTIMATE.start_main_~x~4 218), 95020#(<= ULTIMATE.start_main_~x~4 216), 95023#(<= ULTIMATE.start_main_~x~4 222), 95022#(<= ULTIMATE.start_main_~x~4 220), 95025#(<= ULTIMATE.start_main_~x~4 226), 95024#(<= ULTIMATE.start_main_~x~4 224), 95027#(<= ULTIMATE.start_main_~x~4 230), 95026#(<= ULTIMATE.start_main_~x~4 228), 95029#(<= ULTIMATE.start_main_~x~4 234), 95028#(<= ULTIMATE.start_main_~x~4 232), 95031#(<= ULTIMATE.start_main_~x~4 238), 95030#(<= ULTIMATE.start_main_~x~4 236), 95033#(<= ULTIMATE.start_main_~x~4 242), 95032#(<= ULTIMATE.start_main_~x~4 240), 95035#(<= ULTIMATE.start_main_~x~4 246), 95034#(<= ULTIMATE.start_main_~x~4 244), 95037#(<= ULTIMATE.start_main_~x~4 250), 95036#(<= ULTIMATE.start_main_~x~4 248), 95039#(<= ULTIMATE.start_main_~x~4 254), 95038#(<= ULTIMATE.start_main_~x~4 252), 95041#(<= ULTIMATE.start_main_~x~4 258), 95040#(<= ULTIMATE.start_main_~x~4 256), 95043#(<= ULTIMATE.start_main_~x~4 262), 95042#(<= ULTIMATE.start_main_~x~4 260), 95045#(<= ULTIMATE.start_main_~x~4 266), 95044#(<= ULTIMATE.start_main_~x~4 264), 95047#(<= ULTIMATE.start_main_~x~4 270), 95046#(<= ULTIMATE.start_main_~x~4 268), 95049#(<= ULTIMATE.start_main_~x~4 274), 95048#(<= ULTIMATE.start_main_~x~4 272), 95051#(<= ULTIMATE.start_main_~x~4 278), 95050#(<= ULTIMATE.start_main_~x~4 276), 95053#(<= ULTIMATE.start_main_~x~4 282), 95052#(<= ULTIMATE.start_main_~x~4 280), 95055#(<= ULTIMATE.start_main_~x~4 286), 95054#(<= ULTIMATE.start_main_~x~4 284), 95057#(<= ULTIMATE.start_main_~x~4 290), 95056#(<= ULTIMATE.start_main_~x~4 288), 95059#(<= ULTIMATE.start_main_~x~4 294), 95058#(<= ULTIMATE.start_main_~x~4 292), 95061#(<= ULTIMATE.start_main_~x~4 298), 95060#(<= ULTIMATE.start_main_~x~4 296), 95063#(<= ULTIMATE.start_main_~x~4 302), 95062#(<= ULTIMATE.start_main_~x~4 300), 95065#(<= ULTIMATE.start_main_~x~4 306), 95064#(<= ULTIMATE.start_main_~x~4 304), 95067#(<= ULTIMATE.start_main_~x~4 310), 95066#(<= ULTIMATE.start_main_~x~4 308), 95069#(<= ULTIMATE.start_main_~x~4 314), 95068#(<= ULTIMATE.start_main_~x~4 312), 95071#(<= ULTIMATE.start_main_~x~4 318), 95070#(<= ULTIMATE.start_main_~x~4 316), 95073#(<= ULTIMATE.start_main_~x~4 322), 95072#(<= ULTIMATE.start_main_~x~4 320), 95075#(<= ULTIMATE.start_main_~x~4 326), 95074#(<= ULTIMATE.start_main_~x~4 324), 95077#(<= ULTIMATE.start_main_~x~4 330), 95076#(<= ULTIMATE.start_main_~x~4 328), 95079#(<= ULTIMATE.start_main_~x~4 334), 95078#(<= ULTIMATE.start_main_~x~4 332), 95081#(<= ULTIMATE.start_main_~x~4 338), 95080#(<= ULTIMATE.start_main_~x~4 336), 95083#(<= ULTIMATE.start_main_~x~4 342), 95082#(<= ULTIMATE.start_main_~x~4 340), 95085#(<= ULTIMATE.start_main_~x~4 346), 95084#(<= ULTIMATE.start_main_~x~4 344), 95087#(<= ULTIMATE.start_main_~x~4 350), 95086#(<= ULTIMATE.start_main_~x~4 348), 95089#(<= ULTIMATE.start_main_~x~4 354), 95088#(<= ULTIMATE.start_main_~x~4 352), 95091#(<= ULTIMATE.start_main_~x~4 358), 95090#(<= ULTIMATE.start_main_~x~4 356), 95093#(<= ULTIMATE.start_main_~x~4 362), 95092#(<= ULTIMATE.start_main_~x~4 360), 95095#(<= ULTIMATE.start_main_~x~4 366), 95094#(<= ULTIMATE.start_main_~x~4 364), 95097#(<= ULTIMATE.start_main_~x~4 370), 95096#(<= ULTIMATE.start_main_~x~4 368), 95099#(<= ULTIMATE.start_main_~x~4 374), 95098#(<= ULTIMATE.start_main_~x~4 372), 95101#(<= ULTIMATE.start_main_~x~4 378), 95100#(<= ULTIMATE.start_main_~x~4 376), 95103#(<= ULTIMATE.start_main_~x~4 382), 95102#(<= ULTIMATE.start_main_~x~4 380), 95105#(<= ULTIMATE.start_main_~x~4 386), 95104#(<= ULTIMATE.start_main_~x~4 384), 95107#(<= ULTIMATE.start_main_~x~4 390), 95106#(<= ULTIMATE.start_main_~x~4 388)] [2018-07-23 13:43:08,253 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 13:43:08,253 INFO L450 AbstractCegarLoop]: Interpolant automaton has 193 states [2018-07-23 13:43:08,256 INFO L132 InterpolantAutomaton]: Constructing interpolant automaton starting with 193 interpolants. [2018-07-23 13:43:08,258 INFO L133 InterpolantAutomaton]: CoverageRelationStatistics Valid=18528, Invalid=18528, Unknown=0, NotChecked=0, Total=37056 [2018-07-23 13:43:08,258 INFO L87 Difference]: Start difference. First operand 194 states and 194 transitions. Second operand 193 states. [2018-07-23 13:43:08,724 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2018-07-23 13:43:08,724 INFO L93 Difference]: Finished difference Result 197 states and 197 transitions. [2018-07-23 13:43:08,725 INFO L142 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 193 states. [2018-07-23 13:43:08,725 INFO L78 Accepts]: Start accepts. Automaton has 193 states. Word has length 193 [2018-07-23 13:43:08,725 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2018-07-23 13:43:08,725 INFO L225 Difference]: With dead ends: 197 [2018-07-23 13:43:08,725 INFO L226 Difference]: Without dead ends: 195 [2018-07-23 13:43:08,728 INFO L575 BasicCegarLoop]: 0 DeclaredPredicates, 192 GetRequests, 1 SyntacticMatches, 0 SemanticMatches, 191 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 0 ImplicationChecksByTransitivity, 0.6s TimeCoverageRelationStatistics Valid=18528, Invalid=18528, Unknown=0, NotChecked=0, Total=37056 [2018-07-23 13:43:08,728 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 195 states. [2018-07-23 13:43:08,730 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 195 to 195. [2018-07-23 13:43:08,730 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 195 states. [2018-07-23 13:43:08,731 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 195 states to 195 states and 195 transitions. [2018-07-23 13:43:08,731 INFO L78 Accepts]: Start accepts. Automaton has 195 states and 195 transitions. Word has length 193 [2018-07-23 13:43:08,731 INFO L84 Accepts]: Finished accepts. word is rejected. [2018-07-23 13:43:08,731 INFO L471 AbstractCegarLoop]: Abstraction has 195 states and 195 transitions. [2018-07-23 13:43:08,731 INFO L472 AbstractCegarLoop]: Interpolant automaton has 193 states. [2018-07-23 13:43:08,731 INFO L276 IsEmpty]: Start isEmpty. Operand 195 states and 195 transitions. [2018-07-23 13:43:08,732 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 195 [2018-07-23 13:43:08,732 INFO L349 BasicCegarLoop]: Found error trace [2018-07-23 13:43:08,732 INFO L357 BasicCegarLoop]: trace histogram [191, 1, 1, 1] [2018-07-23 13:43:08,732 INFO L414 AbstractCegarLoop]: === Iteration 192 === [ULTIMATE.startErr0AssertViolationASSERT]=== [2018-07-23 13:43:08,732 INFO L82 PathProgramCache]: Analyzing trace with hash 1358704648, now seen corresponding path program 191 times [2018-07-23 13:43:08,732 INFO L69 tionRefinementEngine]: Using refinement strategy FixedRefinementStrategy [2018-07-23 13:43:08,750 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-07-23 13:43:09,576 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 13:43:09,576 INFO L309 seRefinementStrategy]: Constructing automaton from 0 perfect and 1 imperfect interpolant sequences. [2018-07-23 13:43:09,576 INFO L324 seRefinementStrategy]: Number of different interpolants: perfect sequences [] imperfect sequences [193] total 193 [2018-07-23 13:43:09,576 INFO L142 lantAutomatonBuilder]: Constructing canonical interpolant automaton, with selfloop in false state [2018-07-23 13:43:09,577 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2018-07-23 13:43:09,577 INFO L185 omatonBuilderFactory]: Interpolants [95893#false, 95892#true, 95895#(<= ULTIMATE.start_main_~x~4 12), 95894#(<= ULTIMATE.start_main_~x~4 10), 95897#(<= ULTIMATE.start_main_~x~4 16), 95896#(<= ULTIMATE.start_main_~x~4 14), 95899#(<= ULTIMATE.start_main_~x~4 20), 95898#(<= ULTIMATE.start_main_~x~4 18), 95901#(<= ULTIMATE.start_main_~x~4 24), 95900#(<= ULTIMATE.start_main_~x~4 22), 95903#(<= ULTIMATE.start_main_~x~4 28), 95902#(<= ULTIMATE.start_main_~x~4 26), 95905#(<= ULTIMATE.start_main_~x~4 32), 95904#(<= ULTIMATE.start_main_~x~4 30), 95907#(<= ULTIMATE.start_main_~x~4 36), 95906#(<= ULTIMATE.start_main_~x~4 34), 95909#(<= ULTIMATE.start_main_~x~4 40), 95908#(<= ULTIMATE.start_main_~x~4 38), 95911#(<= ULTIMATE.start_main_~x~4 44), 95910#(<= ULTIMATE.start_main_~x~4 42), 95913#(<= ULTIMATE.start_main_~x~4 48), 95912#(<= ULTIMATE.start_main_~x~4 46), 95915#(<= ULTIMATE.start_main_~x~4 52), 95914#(<= ULTIMATE.start_main_~x~4 50), 95917#(<= ULTIMATE.start_main_~x~4 56), 95916#(<= ULTIMATE.start_main_~x~4 54), 95919#(<= ULTIMATE.start_main_~x~4 60), 95918#(<= ULTIMATE.start_main_~x~4 58), 95921#(<= ULTIMATE.start_main_~x~4 64), 95920#(<= ULTIMATE.start_main_~x~4 62), 95923#(<= ULTIMATE.start_main_~x~4 68), 95922#(<= ULTIMATE.start_main_~x~4 66), 95925#(<= ULTIMATE.start_main_~x~4 72), 95924#(<= ULTIMATE.start_main_~x~4 70), 95927#(<= ULTIMATE.start_main_~x~4 76), 95926#(<= ULTIMATE.start_main_~x~4 74), 95929#(<= ULTIMATE.start_main_~x~4 80), 95928#(<= ULTIMATE.start_main_~x~4 78), 95931#(<= ULTIMATE.start_main_~x~4 84), 95930#(<= ULTIMATE.start_main_~x~4 82), 95933#(<= ULTIMATE.start_main_~x~4 88), 95932#(<= ULTIMATE.start_main_~x~4 86), 95935#(<= ULTIMATE.start_main_~x~4 92), 95934#(<= ULTIMATE.start_main_~x~4 90), 95937#(<= ULTIMATE.start_main_~x~4 96), 95936#(<= ULTIMATE.start_main_~x~4 94), 95939#(<= ULTIMATE.start_main_~x~4 100), 95938#(<= ULTIMATE.start_main_~x~4 98), 95941#(<= ULTIMATE.start_main_~x~4 104), 95940#(<= ULTIMATE.start_main_~x~4 102), 95943#(<= ULTIMATE.start_main_~x~4 108), 95942#(<= ULTIMATE.start_main_~x~4 106), 95945#(<= ULTIMATE.start_main_~x~4 112), 95944#(<= ULTIMATE.start_main_~x~4 110), 95947#(<= ULTIMATE.start_main_~x~4 116), 95946#(<= ULTIMATE.start_main_~x~4 114), 95949#(<= ULTIMATE.start_main_~x~4 120), 95948#(<= ULTIMATE.start_main_~x~4 118), 95951#(<= ULTIMATE.start_main_~x~4 124), 95950#(<= ULTIMATE.start_main_~x~4 122), 95953#(<= ULTIMATE.start_main_~x~4 128), 95952#(<= ULTIMATE.start_main_~x~4 126), 95955#(<= ULTIMATE.start_main_~x~4 132), 95954#(<= ULTIMATE.start_main_~x~4 130), 95957#(<= ULTIMATE.start_main_~x~4 136), 95956#(<= ULTIMATE.start_main_~x~4 134), 95959#(<= ULTIMATE.start_main_~x~4 140), 95958#(<= ULTIMATE.start_main_~x~4 138), 95961#(<= ULTIMATE.start_main_~x~4 144), 95960#(<= ULTIMATE.start_main_~x~4 142), 95963#(<= ULTIMATE.start_main_~x~4 148), 95962#(<= ULTIMATE.start_main_~x~4 146), 95965#(<= ULTIMATE.start_main_~x~4 152), 95964#(<= ULTIMATE.start_main_~x~4 150), 95967#(<= ULTIMATE.start_main_~x~4 156), 95966#(<= ULTIMATE.start_main_~x~4 154), 95969#(<= ULTIMATE.start_main_~x~4 160), 95968#(<= ULTIMATE.start_main_~x~4 158), 95971#(<= ULTIMATE.start_main_~x~4 164), 95970#(<= ULTIMATE.start_main_~x~4 162), 95973#(<= ULTIMATE.start_main_~x~4 168), 95972#(<= ULTIMATE.start_main_~x~4 166), 95975#(<= ULTIMATE.start_main_~x~4 172), 95974#(<= ULTIMATE.start_main_~x~4 170), 95977#(<= ULTIMATE.start_main_~x~4 176), 95976#(<= ULTIMATE.start_main_~x~4 174), 95979#(<= ULTIMATE.start_main_~x~4 180), 95978#(<= ULTIMATE.start_main_~x~4 178), 95981#(<= ULTIMATE.start_main_~x~4 184), 95980#(<= ULTIMATE.start_main_~x~4 182), 95983#(<= ULTIMATE.start_main_~x~4 188), 95982#(<= ULTIMATE.start_main_~x~4 186), 95985#(<= ULTIMATE.start_main_~x~4 192), 95984#(<= ULTIMATE.start_main_~x~4 190), 95987#(<= ULTIMATE.start_main_~x~4 196), 95986#(<= ULTIMATE.start_main_~x~4 194), 95989#(<= ULTIMATE.start_main_~x~4 200), 95988#(<= ULTIMATE.start_main_~x~4 198), 95991#(<= ULTIMATE.start_main_~x~4 204), 95990#(<= ULTIMATE.start_main_~x~4 202), 95993#(<= ULTIMATE.start_main_~x~4 208), 95992#(<= ULTIMATE.start_main_~x~4 206), 95995#(<= ULTIMATE.start_main_~x~4 212), 95994#(<= ULTIMATE.start_main_~x~4 210), 95997#(<= ULTIMATE.start_main_~x~4 216), 95996#(<= ULTIMATE.start_main_~x~4 214), 95999#(<= ULTIMATE.start_main_~x~4 220), 95998#(<= ULTIMATE.start_main_~x~4 218), 96001#(<= ULTIMATE.start_main_~x~4 224), 96000#(<= ULTIMATE.start_main_~x~4 222), 96003#(<= ULTIMATE.start_main_~x~4 228), 96002#(<= ULTIMATE.start_main_~x~4 226), 96005#(<= ULTIMATE.start_main_~x~4 232), 96004#(<= ULTIMATE.start_main_~x~4 230), 96007#(<= ULTIMATE.start_main_~x~4 236), 96006#(<= ULTIMATE.start_main_~x~4 234), 96009#(<= ULTIMATE.start_main_~x~4 240), 96008#(<= ULTIMATE.start_main_~x~4 238), 96011#(<= ULTIMATE.start_main_~x~4 244), 96010#(<= ULTIMATE.start_main_~x~4 242), 96013#(<= ULTIMATE.start_main_~x~4 248), 96012#(<= ULTIMATE.start_main_~x~4 246), 96015#(<= ULTIMATE.start_main_~x~4 252), 96014#(<= ULTIMATE.start_main_~x~4 250), 96017#(<= ULTIMATE.start_main_~x~4 256), 96016#(<= ULTIMATE.start_main_~x~4 254), 96019#(<= ULTIMATE.start_main_~x~4 260), 96018#(<= ULTIMATE.start_main_~x~4 258), 96021#(<= ULTIMATE.start_main_~x~4 264), 96020#(<= ULTIMATE.start_main_~x~4 262), 96023#(<= ULTIMATE.start_main_~x~4 268), 96022#(<= ULTIMATE.start_main_~x~4 266), 96025#(<= ULTIMATE.start_main_~x~4 272), 96024#(<= ULTIMATE.start_main_~x~4 270), 96027#(<= ULTIMATE.start_main_~x~4 276), 96026#(<= ULTIMATE.start_main_~x~4 274), 96029#(<= ULTIMATE.start_main_~x~4 280), 96028#(<= ULTIMATE.start_main_~x~4 278), 96031#(<= ULTIMATE.start_main_~x~4 284), 96030#(<= ULTIMATE.start_main_~x~4 282), 96033#(<= ULTIMATE.start_main_~x~4 288), 96032#(<= ULTIMATE.start_main_~x~4 286), 96035#(<= ULTIMATE.start_main_~x~4 292), 96034#(<= ULTIMATE.start_main_~x~4 290), 96037#(<= ULTIMATE.start_main_~x~4 296), 96036#(<= ULTIMATE.start_main_~x~4 294), 96039#(<= ULTIMATE.start_main_~x~4 300), 96038#(<= ULTIMATE.start_main_~x~4 298), 96041#(<= ULTIMATE.start_main_~x~4 304), 96040#(<= ULTIMATE.start_main_~x~4 302), 96043#(<= ULTIMATE.start_main_~x~4 308), 96042#(<= ULTIMATE.start_main_~x~4 306), 96045#(<= ULTIMATE.start_main_~x~4 312), 96044#(<= ULTIMATE.start_main_~x~4 310), 96047#(<= ULTIMATE.start_main_~x~4 316), 96046#(<= ULTIMATE.start_main_~x~4 314), 96049#(<= ULTIMATE.start_main_~x~4 320), 96048#(<= ULTIMATE.start_main_~x~4 318), 96051#(<= ULTIMATE.start_main_~x~4 324), 96050#(<= ULTIMATE.start_main_~x~4 322), 96053#(<= ULTIMATE.start_main_~x~4 328), 96052#(<= ULTIMATE.start_main_~x~4 326), 96055#(<= ULTIMATE.start_main_~x~4 332), 96054#(<= ULTIMATE.start_main_~x~4 330), 96057#(<= ULTIMATE.start_main_~x~4 336), 96056#(<= ULTIMATE.start_main_~x~4 334), 96059#(<= ULTIMATE.start_main_~x~4 340), 96058#(<= ULTIMATE.start_main_~x~4 338), 96061#(<= ULTIMATE.start_main_~x~4 344), 96060#(<= ULTIMATE.start_main_~x~4 342), 96063#(<= ULTIMATE.start_main_~x~4 348), 96062#(<= ULTIMATE.start_main_~x~4 346), 96065#(<= ULTIMATE.start_main_~x~4 352), 96064#(<= ULTIMATE.start_main_~x~4 350), 96067#(<= ULTIMATE.start_main_~x~4 356), 96066#(<= ULTIMATE.start_main_~x~4 354), 96069#(<= ULTIMATE.start_main_~x~4 360), 96068#(<= ULTIMATE.start_main_~x~4 358), 96071#(<= ULTIMATE.start_main_~x~4 364), 96070#(<= ULTIMATE.start_main_~x~4 362), 96073#(<= ULTIMATE.start_main_~x~4 368), 96072#(<= ULTIMATE.start_main_~x~4 366), 96075#(<= ULTIMATE.start_main_~x~4 372), 96074#(<= ULTIMATE.start_main_~x~4 370), 96077#(<= ULTIMATE.start_main_~x~4 376), 96076#(<= ULTIMATE.start_main_~x~4 374), 96079#(<= ULTIMATE.start_main_~x~4 380), 96078#(<= ULTIMATE.start_main_~x~4 378), 96081#(<= ULTIMATE.start_main_~x~4 384), 96080#(<= ULTIMATE.start_main_~x~4 382), 96083#(<= ULTIMATE.start_main_~x~4 388), 96082#(<= ULTIMATE.start_main_~x~4 386), 96085#(<= ULTIMATE.start_main_~x~4 392), 96084#(<= ULTIMATE.start_main_~x~4 390)] [2018-07-23 13:43:09,578 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 13:43:09,579 INFO L450 AbstractCegarLoop]: Interpolant automaton has 194 states [2018-07-23 13:43:09,582 INFO L132 InterpolantAutomaton]: Constructing interpolant automaton starting with 194 interpolants. [2018-07-23 13:43:09,584 INFO L133 InterpolantAutomaton]: CoverageRelationStatistics Valid=18721, Invalid=18721, Unknown=0, NotChecked=0, Total=37442 [2018-07-23 13:43:09,584 INFO L87 Difference]: Start difference. First operand 195 states and 195 transitions. Second operand 194 states. [2018-07-23 13:43:09,858 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2018-07-23 13:43:09,858 INFO L93 Difference]: Finished difference Result 198 states and 198 transitions. [2018-07-23 13:43:09,858 INFO L142 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 194 states. [2018-07-23 13:43:09,858 INFO L78 Accepts]: Start accepts. Automaton has 194 states. Word has length 194 [2018-07-23 13:43:09,859 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2018-07-23 13:43:09,859 INFO L225 Difference]: With dead ends: 198 [2018-07-23 13:43:09,859 INFO L226 Difference]: Without dead ends: 196 [2018-07-23 13:43:09,863 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 13:43:09,863 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 196 states. [2018-07-23 13:43:09,865 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 196 to 196. [2018-07-23 13:43:09,865 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 196 states. [2018-07-23 13:43:09,866 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 196 states to 196 states and 196 transitions. [2018-07-23 13:43:09,866 INFO L78 Accepts]: Start accepts. Automaton has 196 states and 196 transitions. Word has length 194 [2018-07-23 13:43:09,866 INFO L84 Accepts]: Finished accepts. word is rejected. [2018-07-23 13:43:09,866 INFO L471 AbstractCegarLoop]: Abstraction has 196 states and 196 transitions. [2018-07-23 13:43:09,866 INFO L472 AbstractCegarLoop]: Interpolant automaton has 194 states. [2018-07-23 13:43:09,866 INFO L276 IsEmpty]: Start isEmpty. Operand 196 states and 196 transitions. [2018-07-23 13:43:09,867 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 196 [2018-07-23 13:43:09,867 INFO L349 BasicCegarLoop]: Found error trace [2018-07-23 13:43:09,867 INFO L357 BasicCegarLoop]: trace histogram [192, 1, 1, 1] [2018-07-23 13:43:09,867 INFO L414 AbstractCegarLoop]: === Iteration 193 === [ULTIMATE.startErr0AssertViolationASSERT]=== [2018-07-23 13:43:09,868 INFO L82 PathProgramCache]: Analyzing trace with hash -829830847, now seen corresponding path program 192 times [2018-07-23 13:43:09,868 INFO L69 tionRefinementEngine]: Using refinement strategy FixedRefinementStrategy [2018-07-23 13:43:09,886 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-07-23 13:43:10,665 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 13:43:10,665 INFO L309 seRefinementStrategy]: Constructing automaton from 0 perfect and 1 imperfect interpolant sequences. [2018-07-23 13:43:10,666 INFO L324 seRefinementStrategy]: Number of different interpolants: perfect sequences [] imperfect sequences [194] total 194 [2018-07-23 13:43:10,666 INFO L142 lantAutomatonBuilder]: Constructing canonical interpolant automaton, with selfloop in false state [2018-07-23 13:43:10,666 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2018-07-23 13:43:10,666 INFO L185 omatonBuilderFactory]: Interpolants [96875#false, 96874#true, 96877#(<= ULTIMATE.start_main_~x~4 12), 96876#(<= ULTIMATE.start_main_~x~4 10), 96879#(<= ULTIMATE.start_main_~x~4 16), 96878#(<= ULTIMATE.start_main_~x~4 14), 96881#(<= ULTIMATE.start_main_~x~4 20), 96880#(<= ULTIMATE.start_main_~x~4 18), 96883#(<= ULTIMATE.start_main_~x~4 24), 96882#(<= ULTIMATE.start_main_~x~4 22), 96885#(<= ULTIMATE.start_main_~x~4 28), 96884#(<= ULTIMATE.start_main_~x~4 26), 96887#(<= ULTIMATE.start_main_~x~4 32), 96886#(<= ULTIMATE.start_main_~x~4 30), 96889#(<= ULTIMATE.start_main_~x~4 36), 96888#(<= ULTIMATE.start_main_~x~4 34), 96891#(<= ULTIMATE.start_main_~x~4 40), 96890#(<= ULTIMATE.start_main_~x~4 38), 96893#(<= ULTIMATE.start_main_~x~4 44), 96892#(<= ULTIMATE.start_main_~x~4 42), 96895#(<= ULTIMATE.start_main_~x~4 48), 96894#(<= ULTIMATE.start_main_~x~4 46), 96897#(<= ULTIMATE.start_main_~x~4 52), 96896#(<= ULTIMATE.start_main_~x~4 50), 96899#(<= ULTIMATE.start_main_~x~4 56), 96898#(<= ULTIMATE.start_main_~x~4 54), 96901#(<= ULTIMATE.start_main_~x~4 60), 96900#(<= ULTIMATE.start_main_~x~4 58), 96903#(<= ULTIMATE.start_main_~x~4 64), 96902#(<= ULTIMATE.start_main_~x~4 62), 96905#(<= ULTIMATE.start_main_~x~4 68), 96904#(<= ULTIMATE.start_main_~x~4 66), 96907#(<= ULTIMATE.start_main_~x~4 72), 96906#(<= ULTIMATE.start_main_~x~4 70), 96909#(<= ULTIMATE.start_main_~x~4 76), 96908#(<= ULTIMATE.start_main_~x~4 74), 96911#(<= ULTIMATE.start_main_~x~4 80), 96910#(<= ULTIMATE.start_main_~x~4 78), 96913#(<= ULTIMATE.start_main_~x~4 84), 96912#(<= ULTIMATE.start_main_~x~4 82), 96915#(<= ULTIMATE.start_main_~x~4 88), 96914#(<= ULTIMATE.start_main_~x~4 86), 96917#(<= ULTIMATE.start_main_~x~4 92), 96916#(<= ULTIMATE.start_main_~x~4 90), 96919#(<= ULTIMATE.start_main_~x~4 96), 96918#(<= ULTIMATE.start_main_~x~4 94), 96921#(<= ULTIMATE.start_main_~x~4 100), 96920#(<= ULTIMATE.start_main_~x~4 98), 96923#(<= ULTIMATE.start_main_~x~4 104), 96922#(<= ULTIMATE.start_main_~x~4 102), 96925#(<= ULTIMATE.start_main_~x~4 108), 96924#(<= ULTIMATE.start_main_~x~4 106), 96927#(<= ULTIMATE.start_main_~x~4 112), 96926#(<= ULTIMATE.start_main_~x~4 110), 96929#(<= ULTIMATE.start_main_~x~4 116), 96928#(<= ULTIMATE.start_main_~x~4 114), 96931#(<= ULTIMATE.start_main_~x~4 120), 96930#(<= ULTIMATE.start_main_~x~4 118), 96933#(<= ULTIMATE.start_main_~x~4 124), 96932#(<= ULTIMATE.start_main_~x~4 122), 96935#(<= ULTIMATE.start_main_~x~4 128), 96934#(<= ULTIMATE.start_main_~x~4 126), 96937#(<= ULTIMATE.start_main_~x~4 132), 96936#(<= ULTIMATE.start_main_~x~4 130), 96939#(<= ULTIMATE.start_main_~x~4 136), 96938#(<= ULTIMATE.start_main_~x~4 134), 96941#(<= ULTIMATE.start_main_~x~4 140), 96940#(<= ULTIMATE.start_main_~x~4 138), 96943#(<= ULTIMATE.start_main_~x~4 144), 96942#(<= ULTIMATE.start_main_~x~4 142), 96945#(<= ULTIMATE.start_main_~x~4 148), 96944#(<= ULTIMATE.start_main_~x~4 146), 96947#(<= ULTIMATE.start_main_~x~4 152), 96946#(<= ULTIMATE.start_main_~x~4 150), 96949#(<= ULTIMATE.start_main_~x~4 156), 96948#(<= ULTIMATE.start_main_~x~4 154), 96951#(<= ULTIMATE.start_main_~x~4 160), 96950#(<= ULTIMATE.start_main_~x~4 158), 96953#(<= ULTIMATE.start_main_~x~4 164), 96952#(<= ULTIMATE.start_main_~x~4 162), 96955#(<= ULTIMATE.start_main_~x~4 168), 96954#(<= ULTIMATE.start_main_~x~4 166), 96957#(<= ULTIMATE.start_main_~x~4 172), 96956#(<= ULTIMATE.start_main_~x~4 170), 96959#(<= ULTIMATE.start_main_~x~4 176), 96958#(<= ULTIMATE.start_main_~x~4 174), 96961#(<= ULTIMATE.start_main_~x~4 180), 96960#(<= ULTIMATE.start_main_~x~4 178), 96963#(<= ULTIMATE.start_main_~x~4 184), 96962#(<= ULTIMATE.start_main_~x~4 182), 96965#(<= ULTIMATE.start_main_~x~4 188), 96964#(<= ULTIMATE.start_main_~x~4 186), 96967#(<= ULTIMATE.start_main_~x~4 192), 96966#(<= ULTIMATE.start_main_~x~4 190), 96969#(<= ULTIMATE.start_main_~x~4 196), 96968#(<= ULTIMATE.start_main_~x~4 194), 96971#(<= ULTIMATE.start_main_~x~4 200), 96970#(<= ULTIMATE.start_main_~x~4 198), 96973#(<= ULTIMATE.start_main_~x~4 204), 96972#(<= ULTIMATE.start_main_~x~4 202), 96975#(<= ULTIMATE.start_main_~x~4 208), 96974#(<= ULTIMATE.start_main_~x~4 206), 96977#(<= ULTIMATE.start_main_~x~4 212), 96976#(<= ULTIMATE.start_main_~x~4 210), 96979#(<= ULTIMATE.start_main_~x~4 216), 96978#(<= ULTIMATE.start_main_~x~4 214), 96981#(<= ULTIMATE.start_main_~x~4 220), 96980#(<= ULTIMATE.start_main_~x~4 218), 96983#(<= ULTIMATE.start_main_~x~4 224), 96982#(<= ULTIMATE.start_main_~x~4 222), 96985#(<= ULTIMATE.start_main_~x~4 228), 96984#(<= ULTIMATE.start_main_~x~4 226), 96987#(<= ULTIMATE.start_main_~x~4 232), 96986#(<= ULTIMATE.start_main_~x~4 230), 96989#(<= ULTIMATE.start_main_~x~4 236), 96988#(<= ULTIMATE.start_main_~x~4 234), 96991#(<= ULTIMATE.start_main_~x~4 240), 96990#(<= ULTIMATE.start_main_~x~4 238), 96993#(<= ULTIMATE.start_main_~x~4 244), 96992#(<= ULTIMATE.start_main_~x~4 242), 96995#(<= ULTIMATE.start_main_~x~4 248), 96994#(<= ULTIMATE.start_main_~x~4 246), 96997#(<= ULTIMATE.start_main_~x~4 252), 96996#(<= ULTIMATE.start_main_~x~4 250), 96999#(<= ULTIMATE.start_main_~x~4 256), 96998#(<= ULTIMATE.start_main_~x~4 254), 97001#(<= ULTIMATE.start_main_~x~4 260), 97000#(<= ULTIMATE.start_main_~x~4 258), 97003#(<= ULTIMATE.start_main_~x~4 264), 97002#(<= ULTIMATE.start_main_~x~4 262), 97005#(<= ULTIMATE.start_main_~x~4 268), 97004#(<= ULTIMATE.start_main_~x~4 266), 97007#(<= ULTIMATE.start_main_~x~4 272), 97006#(<= ULTIMATE.start_main_~x~4 270), 97009#(<= ULTIMATE.start_main_~x~4 276), 97008#(<= ULTIMATE.start_main_~x~4 274), 97011#(<= ULTIMATE.start_main_~x~4 280), 97010#(<= ULTIMATE.start_main_~x~4 278), 97013#(<= ULTIMATE.start_main_~x~4 284), 97012#(<= ULTIMATE.start_main_~x~4 282), 97015#(<= ULTIMATE.start_main_~x~4 288), 97014#(<= ULTIMATE.start_main_~x~4 286), 97017#(<= ULTIMATE.start_main_~x~4 292), 97016#(<= ULTIMATE.start_main_~x~4 290), 97019#(<= ULTIMATE.start_main_~x~4 296), 97018#(<= ULTIMATE.start_main_~x~4 294), 97021#(<= ULTIMATE.start_main_~x~4 300), 97020#(<= ULTIMATE.start_main_~x~4 298), 97023#(<= ULTIMATE.start_main_~x~4 304), 97022#(<= ULTIMATE.start_main_~x~4 302), 97025#(<= ULTIMATE.start_main_~x~4 308), 97024#(<= ULTIMATE.start_main_~x~4 306), 97027#(<= ULTIMATE.start_main_~x~4 312), 97026#(<= ULTIMATE.start_main_~x~4 310), 97029#(<= ULTIMATE.start_main_~x~4 316), 97028#(<= ULTIMATE.start_main_~x~4 314), 97031#(<= ULTIMATE.start_main_~x~4 320), 97030#(<= ULTIMATE.start_main_~x~4 318), 97033#(<= ULTIMATE.start_main_~x~4 324), 97032#(<= ULTIMATE.start_main_~x~4 322), 97035#(<= ULTIMATE.start_main_~x~4 328), 97034#(<= ULTIMATE.start_main_~x~4 326), 97037#(<= ULTIMATE.start_main_~x~4 332), 97036#(<= ULTIMATE.start_main_~x~4 330), 97039#(<= ULTIMATE.start_main_~x~4 336), 97038#(<= ULTIMATE.start_main_~x~4 334), 97041#(<= ULTIMATE.start_main_~x~4 340), 97040#(<= ULTIMATE.start_main_~x~4 338), 97043#(<= ULTIMATE.start_main_~x~4 344), 97042#(<= ULTIMATE.start_main_~x~4 342), 97045#(<= ULTIMATE.start_main_~x~4 348), 97044#(<= ULTIMATE.start_main_~x~4 346), 97047#(<= ULTIMATE.start_main_~x~4 352), 97046#(<= ULTIMATE.start_main_~x~4 350), 97049#(<= ULTIMATE.start_main_~x~4 356), 97048#(<= ULTIMATE.start_main_~x~4 354), 97051#(<= ULTIMATE.start_main_~x~4 360), 97050#(<= ULTIMATE.start_main_~x~4 358), 97053#(<= ULTIMATE.start_main_~x~4 364), 97052#(<= ULTIMATE.start_main_~x~4 362), 97055#(<= ULTIMATE.start_main_~x~4 368), 97054#(<= ULTIMATE.start_main_~x~4 366), 97057#(<= ULTIMATE.start_main_~x~4 372), 97056#(<= ULTIMATE.start_main_~x~4 370), 97059#(<= ULTIMATE.start_main_~x~4 376), 97058#(<= ULTIMATE.start_main_~x~4 374), 97061#(<= ULTIMATE.start_main_~x~4 380), 97060#(<= ULTIMATE.start_main_~x~4 378), 97063#(<= ULTIMATE.start_main_~x~4 384), 97062#(<= ULTIMATE.start_main_~x~4 382), 97065#(<= ULTIMATE.start_main_~x~4 388), 97064#(<= ULTIMATE.start_main_~x~4 386), 97067#(<= ULTIMATE.start_main_~x~4 392), 97066#(<= ULTIMATE.start_main_~x~4 390), 97068#(<= ULTIMATE.start_main_~x~4 394)] [2018-07-23 13:43:10,667 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 13:43:10,667 INFO L450 AbstractCegarLoop]: Interpolant automaton has 195 states [2018-07-23 13:43:10,669 INFO L132 InterpolantAutomaton]: Constructing interpolant automaton starting with 195 interpolants. [2018-07-23 13:43:10,671 INFO L133 InterpolantAutomaton]: CoverageRelationStatistics Valid=18915, Invalid=18915, Unknown=0, NotChecked=0, Total=37830 [2018-07-23 13:43:10,671 INFO L87 Difference]: Start difference. First operand 196 states and 196 transitions. Second operand 195 states. [2018-07-23 13:43:11,079 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2018-07-23 13:43:11,079 INFO L93 Difference]: Finished difference Result 199 states and 199 transitions. [2018-07-23 13:43:11,079 INFO L142 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 195 states. [2018-07-23 13:43:11,079 INFO L78 Accepts]: Start accepts. Automaton has 195 states. Word has length 195 [2018-07-23 13:43:11,080 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2018-07-23 13:43:11,080 INFO L225 Difference]: With dead ends: 199 [2018-07-23 13:43:11,080 INFO L226 Difference]: Without dead ends: 197 [2018-07-23 13:43:11,082 INFO L575 BasicCegarLoop]: 0 DeclaredPredicates, 194 GetRequests, 1 SyntacticMatches, 0 SemanticMatches, 193 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 0 ImplicationChecksByTransitivity, 0.7s TimeCoverageRelationStatistics Valid=18915, Invalid=18915, Unknown=0, NotChecked=0, Total=37830 [2018-07-23 13:43:11,082 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 197 states. [2018-07-23 13:43:11,085 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 197 to 197. [2018-07-23 13:43:11,085 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 197 states. [2018-07-23 13:43:11,085 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 197 states to 197 states and 197 transitions. [2018-07-23 13:43:11,086 INFO L78 Accepts]: Start accepts. Automaton has 197 states and 197 transitions. Word has length 195 [2018-07-23 13:43:11,086 INFO L84 Accepts]: Finished accepts. word is rejected. [2018-07-23 13:43:11,086 INFO L471 AbstractCegarLoop]: Abstraction has 197 states and 197 transitions. [2018-07-23 13:43:11,086 INFO L472 AbstractCegarLoop]: Interpolant automaton has 195 states. [2018-07-23 13:43:11,086 INFO L276 IsEmpty]: Start isEmpty. Operand 197 states and 197 transitions. [2018-07-23 13:43:11,087 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 197 [2018-07-23 13:43:11,087 INFO L349 BasicCegarLoop]: Found error trace [2018-07-23 13:43:11,087 INFO L357 BasicCegarLoop]: trace histogram [193, 1, 1, 1] [2018-07-23 13:43:11,087 INFO L414 AbstractCegarLoop]: === Iteration 194 === [ULTIMATE.startErr0AssertViolationASSERT]=== [2018-07-23 13:43:11,087 INFO L82 PathProgramCache]: Analyzing trace with hash 45045544, now seen corresponding path program 193 times [2018-07-23 13:43:11,087 INFO L69 tionRefinementEngine]: Using refinement strategy FixedRefinementStrategy [2018-07-23 13:43:11,108 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-07-23 13:43:11,912 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 13:43:11,912 INFO L309 seRefinementStrategy]: Constructing automaton from 0 perfect and 1 imperfect interpolant sequences. [2018-07-23 13:43:11,912 INFO L324 seRefinementStrategy]: Number of different interpolants: perfect sequences [] imperfect sequences [195] total 195 [2018-07-23 13:43:11,912 INFO L142 lantAutomatonBuilder]: Constructing canonical interpolant automaton, with selfloop in false state [2018-07-23 13:43:11,913 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2018-07-23 13:43:11,913 INFO L185 omatonBuilderFactory]: Interpolants [97861#true, 97863#(<= ULTIMATE.start_main_~x~4 10), 97862#false, 97865#(<= ULTIMATE.start_main_~x~4 14), 97864#(<= ULTIMATE.start_main_~x~4 12), 97867#(<= ULTIMATE.start_main_~x~4 18), 97866#(<= ULTIMATE.start_main_~x~4 16), 97869#(<= ULTIMATE.start_main_~x~4 22), 97868#(<= ULTIMATE.start_main_~x~4 20), 97871#(<= ULTIMATE.start_main_~x~4 26), 97870#(<= ULTIMATE.start_main_~x~4 24), 97873#(<= ULTIMATE.start_main_~x~4 30), 97872#(<= ULTIMATE.start_main_~x~4 28), 97875#(<= ULTIMATE.start_main_~x~4 34), 97874#(<= ULTIMATE.start_main_~x~4 32), 97877#(<= ULTIMATE.start_main_~x~4 38), 97876#(<= ULTIMATE.start_main_~x~4 36), 97879#(<= ULTIMATE.start_main_~x~4 42), 97878#(<= ULTIMATE.start_main_~x~4 40), 97881#(<= ULTIMATE.start_main_~x~4 46), 97880#(<= ULTIMATE.start_main_~x~4 44), 97883#(<= ULTIMATE.start_main_~x~4 50), 97882#(<= ULTIMATE.start_main_~x~4 48), 97885#(<= ULTIMATE.start_main_~x~4 54), 97884#(<= ULTIMATE.start_main_~x~4 52), 97887#(<= ULTIMATE.start_main_~x~4 58), 97886#(<= ULTIMATE.start_main_~x~4 56), 97889#(<= ULTIMATE.start_main_~x~4 62), 97888#(<= ULTIMATE.start_main_~x~4 60), 97891#(<= ULTIMATE.start_main_~x~4 66), 97890#(<= ULTIMATE.start_main_~x~4 64), 97893#(<= ULTIMATE.start_main_~x~4 70), 97892#(<= ULTIMATE.start_main_~x~4 68), 97895#(<= ULTIMATE.start_main_~x~4 74), 97894#(<= ULTIMATE.start_main_~x~4 72), 97897#(<= ULTIMATE.start_main_~x~4 78), 97896#(<= ULTIMATE.start_main_~x~4 76), 97899#(<= ULTIMATE.start_main_~x~4 82), 97898#(<= ULTIMATE.start_main_~x~4 80), 97901#(<= ULTIMATE.start_main_~x~4 86), 97900#(<= ULTIMATE.start_main_~x~4 84), 97903#(<= ULTIMATE.start_main_~x~4 90), 97902#(<= ULTIMATE.start_main_~x~4 88), 97905#(<= ULTIMATE.start_main_~x~4 94), 97904#(<= ULTIMATE.start_main_~x~4 92), 97907#(<= ULTIMATE.start_main_~x~4 98), 97906#(<= ULTIMATE.start_main_~x~4 96), 97909#(<= ULTIMATE.start_main_~x~4 102), 97908#(<= ULTIMATE.start_main_~x~4 100), 97911#(<= ULTIMATE.start_main_~x~4 106), 97910#(<= ULTIMATE.start_main_~x~4 104), 97913#(<= ULTIMATE.start_main_~x~4 110), 97912#(<= ULTIMATE.start_main_~x~4 108), 97915#(<= ULTIMATE.start_main_~x~4 114), 97914#(<= ULTIMATE.start_main_~x~4 112), 97917#(<= ULTIMATE.start_main_~x~4 118), 97916#(<= ULTIMATE.start_main_~x~4 116), 97919#(<= ULTIMATE.start_main_~x~4 122), 97918#(<= ULTIMATE.start_main_~x~4 120), 97921#(<= ULTIMATE.start_main_~x~4 126), 97920#(<= ULTIMATE.start_main_~x~4 124), 97923#(<= ULTIMATE.start_main_~x~4 130), 97922#(<= ULTIMATE.start_main_~x~4 128), 97925#(<= ULTIMATE.start_main_~x~4 134), 97924#(<= ULTIMATE.start_main_~x~4 132), 97927#(<= ULTIMATE.start_main_~x~4 138), 97926#(<= ULTIMATE.start_main_~x~4 136), 97929#(<= ULTIMATE.start_main_~x~4 142), 97928#(<= ULTIMATE.start_main_~x~4 140), 97931#(<= ULTIMATE.start_main_~x~4 146), 97930#(<= ULTIMATE.start_main_~x~4 144), 97933#(<= ULTIMATE.start_main_~x~4 150), 97932#(<= ULTIMATE.start_main_~x~4 148), 97935#(<= ULTIMATE.start_main_~x~4 154), 97934#(<= ULTIMATE.start_main_~x~4 152), 97937#(<= ULTIMATE.start_main_~x~4 158), 97936#(<= ULTIMATE.start_main_~x~4 156), 97939#(<= ULTIMATE.start_main_~x~4 162), 97938#(<= ULTIMATE.start_main_~x~4 160), 97941#(<= ULTIMATE.start_main_~x~4 166), 97940#(<= ULTIMATE.start_main_~x~4 164), 97943#(<= ULTIMATE.start_main_~x~4 170), 97942#(<= ULTIMATE.start_main_~x~4 168), 97945#(<= ULTIMATE.start_main_~x~4 174), 97944#(<= ULTIMATE.start_main_~x~4 172), 97947#(<= ULTIMATE.start_main_~x~4 178), 97946#(<= ULTIMATE.start_main_~x~4 176), 97949#(<= ULTIMATE.start_main_~x~4 182), 97948#(<= ULTIMATE.start_main_~x~4 180), 97951#(<= ULTIMATE.start_main_~x~4 186), 97950#(<= ULTIMATE.start_main_~x~4 184), 97953#(<= ULTIMATE.start_main_~x~4 190), 97952#(<= ULTIMATE.start_main_~x~4 188), 97955#(<= ULTIMATE.start_main_~x~4 194), 97954#(<= ULTIMATE.start_main_~x~4 192), 97957#(<= ULTIMATE.start_main_~x~4 198), 97956#(<= ULTIMATE.start_main_~x~4 196), 97959#(<= ULTIMATE.start_main_~x~4 202), 97958#(<= ULTIMATE.start_main_~x~4 200), 97961#(<= ULTIMATE.start_main_~x~4 206), 97960#(<= ULTIMATE.start_main_~x~4 204), 97963#(<= ULTIMATE.start_main_~x~4 210), 97962#(<= ULTIMATE.start_main_~x~4 208), 97965#(<= ULTIMATE.start_main_~x~4 214), 97964#(<= ULTIMATE.start_main_~x~4 212), 97967#(<= ULTIMATE.start_main_~x~4 218), 97966#(<= ULTIMATE.start_main_~x~4 216), 97969#(<= ULTIMATE.start_main_~x~4 222), 97968#(<= ULTIMATE.start_main_~x~4 220), 97971#(<= ULTIMATE.start_main_~x~4 226), 97970#(<= ULTIMATE.start_main_~x~4 224), 97973#(<= ULTIMATE.start_main_~x~4 230), 97972#(<= ULTIMATE.start_main_~x~4 228), 97975#(<= ULTIMATE.start_main_~x~4 234), 97974#(<= ULTIMATE.start_main_~x~4 232), 97977#(<= ULTIMATE.start_main_~x~4 238), 97976#(<= ULTIMATE.start_main_~x~4 236), 97979#(<= ULTIMATE.start_main_~x~4 242), 97978#(<= ULTIMATE.start_main_~x~4 240), 97981#(<= ULTIMATE.start_main_~x~4 246), 97980#(<= ULTIMATE.start_main_~x~4 244), 97983#(<= ULTIMATE.start_main_~x~4 250), 97982#(<= ULTIMATE.start_main_~x~4 248), 97985#(<= ULTIMATE.start_main_~x~4 254), 97984#(<= ULTIMATE.start_main_~x~4 252), 97987#(<= ULTIMATE.start_main_~x~4 258), 97986#(<= ULTIMATE.start_main_~x~4 256), 97989#(<= ULTIMATE.start_main_~x~4 262), 97988#(<= ULTIMATE.start_main_~x~4 260), 97991#(<= ULTIMATE.start_main_~x~4 266), 97990#(<= ULTIMATE.start_main_~x~4 264), 97993#(<= ULTIMATE.start_main_~x~4 270), 97992#(<= ULTIMATE.start_main_~x~4 268), 97995#(<= ULTIMATE.start_main_~x~4 274), 97994#(<= ULTIMATE.start_main_~x~4 272), 97997#(<= ULTIMATE.start_main_~x~4 278), 97996#(<= ULTIMATE.start_main_~x~4 276), 97999#(<= ULTIMATE.start_main_~x~4 282), 97998#(<= ULTIMATE.start_main_~x~4 280), 98001#(<= ULTIMATE.start_main_~x~4 286), 98000#(<= ULTIMATE.start_main_~x~4 284), 98003#(<= ULTIMATE.start_main_~x~4 290), 98002#(<= ULTIMATE.start_main_~x~4 288), 98005#(<= ULTIMATE.start_main_~x~4 294), 98004#(<= ULTIMATE.start_main_~x~4 292), 98007#(<= ULTIMATE.start_main_~x~4 298), 98006#(<= ULTIMATE.start_main_~x~4 296), 98009#(<= ULTIMATE.start_main_~x~4 302), 98008#(<= ULTIMATE.start_main_~x~4 300), 98011#(<= ULTIMATE.start_main_~x~4 306), 98010#(<= ULTIMATE.start_main_~x~4 304), 98013#(<= ULTIMATE.start_main_~x~4 310), 98012#(<= ULTIMATE.start_main_~x~4 308), 98015#(<= ULTIMATE.start_main_~x~4 314), 98014#(<= ULTIMATE.start_main_~x~4 312), 98017#(<= ULTIMATE.start_main_~x~4 318), 98016#(<= ULTIMATE.start_main_~x~4 316), 98019#(<= ULTIMATE.start_main_~x~4 322), 98018#(<= ULTIMATE.start_main_~x~4 320), 98021#(<= ULTIMATE.start_main_~x~4 326), 98020#(<= ULTIMATE.start_main_~x~4 324), 98023#(<= ULTIMATE.start_main_~x~4 330), 98022#(<= ULTIMATE.start_main_~x~4 328), 98025#(<= ULTIMATE.start_main_~x~4 334), 98024#(<= ULTIMATE.start_main_~x~4 332), 98027#(<= ULTIMATE.start_main_~x~4 338), 98026#(<= ULTIMATE.start_main_~x~4 336), 98029#(<= ULTIMATE.start_main_~x~4 342), 98028#(<= ULTIMATE.start_main_~x~4 340), 98031#(<= ULTIMATE.start_main_~x~4 346), 98030#(<= ULTIMATE.start_main_~x~4 344), 98033#(<= ULTIMATE.start_main_~x~4 350), 98032#(<= ULTIMATE.start_main_~x~4 348), 98035#(<= ULTIMATE.start_main_~x~4 354), 98034#(<= ULTIMATE.start_main_~x~4 352), 98037#(<= ULTIMATE.start_main_~x~4 358), 98036#(<= ULTIMATE.start_main_~x~4 356), 98039#(<= ULTIMATE.start_main_~x~4 362), 98038#(<= ULTIMATE.start_main_~x~4 360), 98041#(<= ULTIMATE.start_main_~x~4 366), 98040#(<= ULTIMATE.start_main_~x~4 364), 98043#(<= ULTIMATE.start_main_~x~4 370), 98042#(<= ULTIMATE.start_main_~x~4 368), 98045#(<= ULTIMATE.start_main_~x~4 374), 98044#(<= ULTIMATE.start_main_~x~4 372), 98047#(<= ULTIMATE.start_main_~x~4 378), 98046#(<= ULTIMATE.start_main_~x~4 376), 98049#(<= ULTIMATE.start_main_~x~4 382), 98048#(<= ULTIMATE.start_main_~x~4 380), 98051#(<= ULTIMATE.start_main_~x~4 386), 98050#(<= ULTIMATE.start_main_~x~4 384), 98053#(<= ULTIMATE.start_main_~x~4 390), 98052#(<= ULTIMATE.start_main_~x~4 388), 98055#(<= ULTIMATE.start_main_~x~4 394), 98054#(<= ULTIMATE.start_main_~x~4 392), 98056#(<= ULTIMATE.start_main_~x~4 396)] [2018-07-23 13:43:11,914 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 13:43:11,914 INFO L450 AbstractCegarLoop]: Interpolant automaton has 196 states [2018-07-23 13:43:11,917 INFO L132 InterpolantAutomaton]: Constructing interpolant automaton starting with 196 interpolants. [2018-07-23 13:43:11,919 INFO L133 InterpolantAutomaton]: CoverageRelationStatistics Valid=19110, Invalid=19110, Unknown=0, NotChecked=0, Total=38220 [2018-07-23 13:43:11,919 INFO L87 Difference]: Start difference. First operand 197 states and 197 transitions. Second operand 196 states. [2018-07-23 13:43:12,731 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2018-07-23 13:43:12,732 INFO L93 Difference]: Finished difference Result 200 states and 200 transitions. [2018-07-23 13:43:12,732 INFO L142 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 196 states. [2018-07-23 13:43:12,732 INFO L78 Accepts]: Start accepts. Automaton has 196 states. Word has length 196 [2018-07-23 13:43:12,732 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2018-07-23 13:43:12,732 INFO L225 Difference]: With dead ends: 200 [2018-07-23 13:43:12,733 INFO L226 Difference]: Without dead ends: 198 [2018-07-23 13:43:12,735 INFO L575 BasicCegarLoop]: 0 DeclaredPredicates, 195 GetRequests, 1 SyntacticMatches, 0 SemanticMatches, 194 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 0 ImplicationChecksByTransitivity, 0.7s TimeCoverageRelationStatistics Valid=19110, Invalid=19110, Unknown=0, NotChecked=0, Total=38220 [2018-07-23 13:43:12,735 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 198 states. [2018-07-23 13:43:12,738 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 198 to 198. [2018-07-23 13:43:12,738 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 198 states. [2018-07-23 13:43:12,738 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 198 states to 198 states and 198 transitions. [2018-07-23 13:43:12,738 INFO L78 Accepts]: Start accepts. Automaton has 198 states and 198 transitions. Word has length 196 [2018-07-23 13:43:12,738 INFO L84 Accepts]: Finished accepts. word is rejected. [2018-07-23 13:43:12,739 INFO L471 AbstractCegarLoop]: Abstraction has 198 states and 198 transitions. [2018-07-23 13:43:12,739 INFO L472 AbstractCegarLoop]: Interpolant automaton has 196 states. [2018-07-23 13:43:12,739 INFO L276 IsEmpty]: Start isEmpty. Operand 198 states and 198 transitions. [2018-07-23 13:43:12,739 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 198 [2018-07-23 13:43:12,739 INFO L349 BasicCegarLoop]: Found error trace [2018-07-23 13:43:12,740 INFO L357 BasicCegarLoop]: trace histogram [194, 1, 1, 1] [2018-07-23 13:43:12,740 INFO L414 AbstractCegarLoop]: === Iteration 195 === [ULTIMATE.startErr0AssertViolationASSERT]=== [2018-07-23 13:43:12,740 INFO L82 PathProgramCache]: Analyzing trace with hash 1396409889, now seen corresponding path program 194 times [2018-07-23 13:43:12,740 INFO L69 tionRefinementEngine]: Using refinement strategy FixedRefinementStrategy [2018-07-23 13:43:12,764 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-07-23 13:43:13,659 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 13:43:13,660 INFO L309 seRefinementStrategy]: Constructing automaton from 0 perfect and 1 imperfect interpolant sequences. [2018-07-23 13:43:13,660 INFO L324 seRefinementStrategy]: Number of different interpolants: perfect sequences [] imperfect sequences [196] total 196 [2018-07-23 13:43:13,660 INFO L142 lantAutomatonBuilder]: Constructing canonical interpolant automaton, with selfloop in false state [2018-07-23 13:43:13,660 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 13:43:13,661 INFO L185 omatonBuilderFactory]: Interpolants [98853#true, 98855#(<= ULTIMATE.start_main_~x~4 10), 98854#false, 98857#(<= ULTIMATE.start_main_~x~4 14), 98856#(<= ULTIMATE.start_main_~x~4 12), 98859#(<= ULTIMATE.start_main_~x~4 18), 98858#(<= ULTIMATE.start_main_~x~4 16), 98861#(<= ULTIMATE.start_main_~x~4 22), 98860#(<= ULTIMATE.start_main_~x~4 20), 98863#(<= ULTIMATE.start_main_~x~4 26), 98862#(<= ULTIMATE.start_main_~x~4 24), 98865#(<= ULTIMATE.start_main_~x~4 30), 98864#(<= ULTIMATE.start_main_~x~4 28), 98867#(<= ULTIMATE.start_main_~x~4 34), 98866#(<= ULTIMATE.start_main_~x~4 32), 98869#(<= ULTIMATE.start_main_~x~4 38), 98868#(<= ULTIMATE.start_main_~x~4 36), 98871#(<= ULTIMATE.start_main_~x~4 42), 98870#(<= ULTIMATE.start_main_~x~4 40), 98873#(<= ULTIMATE.start_main_~x~4 46), 98872#(<= ULTIMATE.start_main_~x~4 44), 98875#(<= ULTIMATE.start_main_~x~4 50), 98874#(<= ULTIMATE.start_main_~x~4 48), 98877#(<= ULTIMATE.start_main_~x~4 54), 98876#(<= ULTIMATE.start_main_~x~4 52), 98879#(<= ULTIMATE.start_main_~x~4 58), 98878#(<= ULTIMATE.start_main_~x~4 56), 98881#(<= ULTIMATE.start_main_~x~4 62), 98880#(<= ULTIMATE.start_main_~x~4 60), 98883#(<= ULTIMATE.start_main_~x~4 66), 98882#(<= ULTIMATE.start_main_~x~4 64), 98885#(<= ULTIMATE.start_main_~x~4 70), 98884#(<= ULTIMATE.start_main_~x~4 68), 98887#(<= ULTIMATE.start_main_~x~4 74), 98886#(<= ULTIMATE.start_main_~x~4 72), 98889#(<= ULTIMATE.start_main_~x~4 78), 98888#(<= ULTIMATE.start_main_~x~4 76), 98891#(<= ULTIMATE.start_main_~x~4 82), 98890#(<= ULTIMATE.start_main_~x~4 80), 98893#(<= ULTIMATE.start_main_~x~4 86), 98892#(<= ULTIMATE.start_main_~x~4 84), 98895#(<= ULTIMATE.start_main_~x~4 90), 98894#(<= ULTIMATE.start_main_~x~4 88), 98897#(<= ULTIMATE.start_main_~x~4 94), 98896#(<= ULTIMATE.start_main_~x~4 92), 98899#(<= ULTIMATE.start_main_~x~4 98), 98898#(<= ULTIMATE.start_main_~x~4 96), 98901#(<= ULTIMATE.start_main_~x~4 102), 98900#(<= ULTIMATE.start_main_~x~4 100), 98903#(<= ULTIMATE.start_main_~x~4 106), 98902#(<= ULTIMATE.start_main_~x~4 104), 98905#(<= ULTIMATE.start_main_~x~4 110), 98904#(<= ULTIMATE.start_main_~x~4 108), 98907#(<= ULTIMATE.start_main_~x~4 114), 98906#(<= ULTIMATE.start_main_~x~4 112), 98909#(<= ULTIMATE.start_main_~x~4 118), 98908#(<= ULTIMATE.start_main_~x~4 116), 98911#(<= ULTIMATE.start_main_~x~4 122), 98910#(<= ULTIMATE.start_main_~x~4 120), 98913#(<= ULTIMATE.start_main_~x~4 126), 98912#(<= ULTIMATE.start_main_~x~4 124), 98915#(<= ULTIMATE.start_main_~x~4 130), 98914#(<= ULTIMATE.start_main_~x~4 128), 98917#(<= ULTIMATE.start_main_~x~4 134), 98916#(<= ULTIMATE.start_main_~x~4 132), 98919#(<= ULTIMATE.start_main_~x~4 138), 98918#(<= ULTIMATE.start_main_~x~4 136), 98921#(<= ULTIMATE.start_main_~x~4 142), 98920#(<= ULTIMATE.start_main_~x~4 140), 98923#(<= ULTIMATE.start_main_~x~4 146), 98922#(<= ULTIMATE.start_main_~x~4 144), 98925#(<= ULTIMATE.start_main_~x~4 150), 98924#(<= ULTIMATE.start_main_~x~4 148), 98927#(<= ULTIMATE.start_main_~x~4 154), 98926#(<= ULTIMATE.start_main_~x~4 152), 98929#(<= ULTIMATE.start_main_~x~4 158), 98928#(<= ULTIMATE.start_main_~x~4 156), 98931#(<= ULTIMATE.start_main_~x~4 162), 98930#(<= ULTIMATE.start_main_~x~4 160), 98933#(<= ULTIMATE.start_main_~x~4 166), 98932#(<= ULTIMATE.start_main_~x~4 164), 98935#(<= ULTIMATE.start_main_~x~4 170), 98934#(<= ULTIMATE.start_main_~x~4 168), 98937#(<= ULTIMATE.start_main_~x~4 174), 98936#(<= ULTIMATE.start_main_~x~4 172), 98939#(<= ULTIMATE.start_main_~x~4 178), 98938#(<= ULTIMATE.start_main_~x~4 176), 98941#(<= ULTIMATE.start_main_~x~4 182), 98940#(<= ULTIMATE.start_main_~x~4 180), 98943#(<= ULTIMATE.start_main_~x~4 186), 98942#(<= ULTIMATE.start_main_~x~4 184), 98945#(<= ULTIMATE.start_main_~x~4 190), 98944#(<= ULTIMATE.start_main_~x~4 188), 98947#(<= ULTIMATE.start_main_~x~4 194), 98946#(<= ULTIMATE.start_main_~x~4 192), 98949#(<= ULTIMATE.start_main_~x~4 198), 98948#(<= ULTIMATE.start_main_~x~4 196), 98951#(<= ULTIMATE.start_main_~x~4 202), 98950#(<= ULTIMATE.start_main_~x~4 200), 98953#(<= ULTIMATE.start_main_~x~4 206), 98952#(<= ULTIMATE.start_main_~x~4 204), 98955#(<= ULTIMATE.start_main_~x~4 210), 98954#(<= ULTIMATE.start_main_~x~4 208), 98957#(<= ULTIMATE.start_main_~x~4 214), 98956#(<= ULTIMATE.start_main_~x~4 212), 98959#(<= ULTIMATE.start_main_~x~4 218), 98958#(<= ULTIMATE.start_main_~x~4 216), 98961#(<= ULTIMATE.start_main_~x~4 222), 98960#(<= ULTIMATE.start_main_~x~4 220), 98963#(<= ULTIMATE.start_main_~x~4 226), 98962#(<= ULTIMATE.start_main_~x~4 224), 98965#(<= ULTIMATE.start_main_~x~4 230), 98964#(<= ULTIMATE.start_main_~x~4 228), 98967#(<= ULTIMATE.start_main_~x~4 234), 98966#(<= ULTIMATE.start_main_~x~4 232), 98969#(<= ULTIMATE.start_main_~x~4 238), 98968#(<= ULTIMATE.start_main_~x~4 236), 98971#(<= ULTIMATE.start_main_~x~4 242), 98970#(<= ULTIMATE.start_main_~x~4 240), 98973#(<= ULTIMATE.start_main_~x~4 246), 98972#(<= ULTIMATE.start_main_~x~4 244), 98975#(<= ULTIMATE.start_main_~x~4 250), 98974#(<= ULTIMATE.start_main_~x~4 248), 98977#(<= ULTIMATE.start_main_~x~4 254), 98976#(<= ULTIMATE.start_main_~x~4 252), 98979#(<= ULTIMATE.start_main_~x~4 258), 98978#(<= ULTIMATE.start_main_~x~4 256), 98981#(<= ULTIMATE.start_main_~x~4 262), 98980#(<= ULTIMATE.start_main_~x~4 260), 98983#(<= ULTIMATE.start_main_~x~4 266), 98982#(<= ULTIMATE.start_main_~x~4 264), 98985#(<= ULTIMATE.start_main_~x~4 270), 98984#(<= ULTIMATE.start_main_~x~4 268), 98987#(<= ULTIMATE.start_main_~x~4 274), 98986#(<= ULTIMATE.start_main_~x~4 272), 98989#(<= ULTIMATE.start_main_~x~4 278), 98988#(<= ULTIMATE.start_main_~x~4 276), 98991#(<= ULTIMATE.start_main_~x~4 282), 98990#(<= ULTIMATE.start_main_~x~4 280), 98993#(<= ULTIMATE.start_main_~x~4 286), 98992#(<= ULTIMATE.start_main_~x~4 284), 98995#(<= ULTIMATE.start_main_~x~4 290), 98994#(<= ULTIMATE.start_main_~x~4 288), 98997#(<= ULTIMATE.start_main_~x~4 294), 98996#(<= ULTIMATE.start_main_~x~4 292), 98999#(<= ULTIMATE.start_main_~x~4 298), 98998#(<= ULTIMATE.start_main_~x~4 296), 99001#(<= ULTIMATE.start_main_~x~4 302), 99000#(<= ULTIMATE.start_main_~x~4 300), 99003#(<= ULTIMATE.start_main_~x~4 306), 99002#(<= ULTIMATE.start_main_~x~4 304), 99005#(<= ULTIMATE.start_main_~x~4 310), 99004#(<= ULTIMATE.start_main_~x~4 308), 99007#(<= ULTIMATE.start_main_~x~4 314), 99006#(<= ULTIMATE.start_main_~x~4 312), 99009#(<= ULTIMATE.start_main_~x~4 318), 99008#(<= ULTIMATE.start_main_~x~4 316), 99011#(<= ULTIMATE.start_main_~x~4 322), 99010#(<= ULTIMATE.start_main_~x~4 320), 99013#(<= ULTIMATE.start_main_~x~4 326), 99012#(<= ULTIMATE.start_main_~x~4 324), 99015#(<= ULTIMATE.start_main_~x~4 330), 99014#(<= ULTIMATE.start_main_~x~4 328), 99017#(<= ULTIMATE.start_main_~x~4 334), 99016#(<= ULTIMATE.start_main_~x~4 332), 99019#(<= ULTIMATE.start_main_~x~4 338), 99018#(<= ULTIMATE.start_main_~x~4 336), 99021#(<= ULTIMATE.start_main_~x~4 342), 99020#(<= ULTIMATE.start_main_~x~4 340), 99023#(<= ULTIMATE.start_main_~x~4 346), 99022#(<= ULTIMATE.start_main_~x~4 344), 99025#(<= ULTIMATE.start_main_~x~4 350), 99024#(<= ULTIMATE.start_main_~x~4 348), 99027#(<= ULTIMATE.start_main_~x~4 354), 99026#(<= ULTIMATE.start_main_~x~4 352), 99029#(<= ULTIMATE.start_main_~x~4 358), 99028#(<= ULTIMATE.start_main_~x~4 356), 99031#(<= ULTIMATE.start_main_~x~4 362), 99030#(<= ULTIMATE.start_main_~x~4 360), 99033#(<= ULTIMATE.start_main_~x~4 366), 99032#(<= ULTIMATE.start_main_~x~4 364), 99035#(<= ULTIMATE.start_main_~x~4 370), 99034#(<= ULTIMATE.start_main_~x~4 368), 99037#(<= ULTIMATE.start_main_~x~4 374), 99036#(<= ULTIMATE.start_main_~x~4 372), 99039#(<= ULTIMATE.start_main_~x~4 378), 99038#(<= ULTIMATE.start_main_~x~4 376), 99041#(<= ULTIMATE.start_main_~x~4 382), 99040#(<= ULTIMATE.start_main_~x~4 380), 99043#(<= ULTIMATE.start_main_~x~4 386), 99042#(<= ULTIMATE.start_main_~x~4 384), 99045#(<= ULTIMATE.start_main_~x~4 390), 99044#(<= ULTIMATE.start_main_~x~4 388), 99047#(<= ULTIMATE.start_main_~x~4 394), 99046#(<= ULTIMATE.start_main_~x~4 392), 99049#(<= ULTIMATE.start_main_~x~4 398), 99048#(<= ULTIMATE.start_main_~x~4 396)] [2018-07-23 13:43:13,662 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 13:43:13,662 INFO L450 AbstractCegarLoop]: Interpolant automaton has 197 states [2018-07-23 13:43:13,665 INFO L132 InterpolantAutomaton]: Constructing interpolant automaton starting with 197 interpolants. [2018-07-23 13:43:13,667 INFO L133 InterpolantAutomaton]: CoverageRelationStatistics Valid=19306, Invalid=19306, Unknown=0, NotChecked=0, Total=38612 [2018-07-23 13:43:13,667 INFO L87 Difference]: Start difference. First operand 198 states and 198 transitions. Second operand 197 states. [2018-07-23 13:43:14,652 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2018-07-23 13:43:14,652 INFO L93 Difference]: Finished difference Result 201 states and 201 transitions. [2018-07-23 13:43:14,652 INFO L142 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 197 states. [2018-07-23 13:43:14,652 INFO L78 Accepts]: Start accepts. Automaton has 197 states. Word has length 197 [2018-07-23 13:43:14,653 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2018-07-23 13:43:14,653 INFO L225 Difference]: With dead ends: 201 [2018-07-23 13:43:14,653 INFO L226 Difference]: Without dead ends: 199 [2018-07-23 13:43:14,656 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 13:43:14,656 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 199 states. [2018-07-23 13:43:14,658 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 199 to 199. [2018-07-23 13:43:14,658 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 199 states. [2018-07-23 13:43:14,658 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 199 states to 199 states and 199 transitions. [2018-07-23 13:43:14,658 INFO L78 Accepts]: Start accepts. Automaton has 199 states and 199 transitions. Word has length 197 [2018-07-23 13:43:14,658 INFO L84 Accepts]: Finished accepts. word is rejected. [2018-07-23 13:43:14,658 INFO L471 AbstractCegarLoop]: Abstraction has 199 states and 199 transitions. [2018-07-23 13:43:14,658 INFO L472 AbstractCegarLoop]: Interpolant automaton has 197 states. [2018-07-23 13:43:14,658 INFO L276 IsEmpty]: Start isEmpty. Operand 199 states and 199 transitions. [2018-07-23 13:43:14,659 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 199 [2018-07-23 13:43:14,659 INFO L349 BasicCegarLoop]: Found error trace [2018-07-23 13:43:14,659 INFO L357 BasicCegarLoop]: trace histogram [195, 1, 1, 1] [2018-07-23 13:43:14,659 INFO L414 AbstractCegarLoop]: === Iteration 196 === [ULTIMATE.startErr0AssertViolationASSERT]=== [2018-07-23 13:43:14,659 INFO L82 PathProgramCache]: Analyzing trace with hash 339031624, now seen corresponding path program 195 times [2018-07-23 13:43:14,659 INFO L69 tionRefinementEngine]: Using refinement strategy FixedRefinementStrategy [2018-07-23 13:43:14,678 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-07-23 13:43:15,467 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 13:43:15,467 INFO L309 seRefinementStrategy]: Constructing automaton from 0 perfect and 1 imperfect interpolant sequences. [2018-07-23 13:43:15,468 INFO L324 seRefinementStrategy]: Number of different interpolants: perfect sequences [] imperfect sequences [197] total 197 [2018-07-23 13:43:15,468 INFO L142 lantAutomatonBuilder]: Constructing canonical interpolant automaton, with selfloop in false state [2018-07-23 13:43:15,468 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2018-07-23 13:43:15,468 INFO L185 omatonBuilderFactory]: Interpolants [99851#false, 99850#true, 99853#(<= ULTIMATE.start_main_~x~4 12), 99852#(<= ULTIMATE.start_main_~x~4 10), 99855#(<= ULTIMATE.start_main_~x~4 16), 99854#(<= ULTIMATE.start_main_~x~4 14), 99857#(<= ULTIMATE.start_main_~x~4 20), 99856#(<= ULTIMATE.start_main_~x~4 18), 99859#(<= ULTIMATE.start_main_~x~4 24), 99858#(<= ULTIMATE.start_main_~x~4 22), 99861#(<= ULTIMATE.start_main_~x~4 28), 99860#(<= ULTIMATE.start_main_~x~4 26), 99863#(<= ULTIMATE.start_main_~x~4 32), 99862#(<= ULTIMATE.start_main_~x~4 30), 99865#(<= ULTIMATE.start_main_~x~4 36), 99864#(<= ULTIMATE.start_main_~x~4 34), 99867#(<= ULTIMATE.start_main_~x~4 40), 99866#(<= ULTIMATE.start_main_~x~4 38), 99869#(<= ULTIMATE.start_main_~x~4 44), 99868#(<= ULTIMATE.start_main_~x~4 42), 99871#(<= ULTIMATE.start_main_~x~4 48), 99870#(<= ULTIMATE.start_main_~x~4 46), 99873#(<= ULTIMATE.start_main_~x~4 52), 99872#(<= ULTIMATE.start_main_~x~4 50), 99875#(<= ULTIMATE.start_main_~x~4 56), 99874#(<= ULTIMATE.start_main_~x~4 54), 99877#(<= ULTIMATE.start_main_~x~4 60), 99876#(<= ULTIMATE.start_main_~x~4 58), 99879#(<= ULTIMATE.start_main_~x~4 64), 99878#(<= ULTIMATE.start_main_~x~4 62), 99881#(<= ULTIMATE.start_main_~x~4 68), 99880#(<= ULTIMATE.start_main_~x~4 66), 99883#(<= ULTIMATE.start_main_~x~4 72), 99882#(<= ULTIMATE.start_main_~x~4 70), 99885#(<= ULTIMATE.start_main_~x~4 76), 99884#(<= ULTIMATE.start_main_~x~4 74), 99887#(<= ULTIMATE.start_main_~x~4 80), 99886#(<= ULTIMATE.start_main_~x~4 78), 99889#(<= ULTIMATE.start_main_~x~4 84), 99888#(<= ULTIMATE.start_main_~x~4 82), 99891#(<= ULTIMATE.start_main_~x~4 88), 99890#(<= ULTIMATE.start_main_~x~4 86), 99893#(<= ULTIMATE.start_main_~x~4 92), 99892#(<= ULTIMATE.start_main_~x~4 90), 99895#(<= ULTIMATE.start_main_~x~4 96), 99894#(<= ULTIMATE.start_main_~x~4 94), 99897#(<= ULTIMATE.start_main_~x~4 100), 99896#(<= ULTIMATE.start_main_~x~4 98), 99899#(<= ULTIMATE.start_main_~x~4 104), 99898#(<= ULTIMATE.start_main_~x~4 102), 99901#(<= ULTIMATE.start_main_~x~4 108), 99900#(<= ULTIMATE.start_main_~x~4 106), 99903#(<= ULTIMATE.start_main_~x~4 112), 99902#(<= ULTIMATE.start_main_~x~4 110), 99905#(<= ULTIMATE.start_main_~x~4 116), 99904#(<= ULTIMATE.start_main_~x~4 114), 99907#(<= ULTIMATE.start_main_~x~4 120), 99906#(<= ULTIMATE.start_main_~x~4 118), 99909#(<= ULTIMATE.start_main_~x~4 124), 99908#(<= ULTIMATE.start_main_~x~4 122), 99911#(<= ULTIMATE.start_main_~x~4 128), 99910#(<= ULTIMATE.start_main_~x~4 126), 99913#(<= ULTIMATE.start_main_~x~4 132), 99912#(<= ULTIMATE.start_main_~x~4 130), 99915#(<= ULTIMATE.start_main_~x~4 136), 99914#(<= ULTIMATE.start_main_~x~4 134), 99917#(<= ULTIMATE.start_main_~x~4 140), 99916#(<= ULTIMATE.start_main_~x~4 138), 99919#(<= ULTIMATE.start_main_~x~4 144), 99918#(<= ULTIMATE.start_main_~x~4 142), 99921#(<= ULTIMATE.start_main_~x~4 148), 99920#(<= ULTIMATE.start_main_~x~4 146), 99923#(<= ULTIMATE.start_main_~x~4 152), 99922#(<= ULTIMATE.start_main_~x~4 150), 99925#(<= ULTIMATE.start_main_~x~4 156), 99924#(<= ULTIMATE.start_main_~x~4 154), 99927#(<= ULTIMATE.start_main_~x~4 160), 99926#(<= ULTIMATE.start_main_~x~4 158), 99929#(<= ULTIMATE.start_main_~x~4 164), 99928#(<= ULTIMATE.start_main_~x~4 162), 99931#(<= ULTIMATE.start_main_~x~4 168), 99930#(<= ULTIMATE.start_main_~x~4 166), 99933#(<= ULTIMATE.start_main_~x~4 172), 99932#(<= ULTIMATE.start_main_~x~4 170), 99935#(<= ULTIMATE.start_main_~x~4 176), 99934#(<= ULTIMATE.start_main_~x~4 174), 99937#(<= ULTIMATE.start_main_~x~4 180), 99936#(<= ULTIMATE.start_main_~x~4 178), 99939#(<= ULTIMATE.start_main_~x~4 184), 99938#(<= ULTIMATE.start_main_~x~4 182), 99941#(<= ULTIMATE.start_main_~x~4 188), 99940#(<= ULTIMATE.start_main_~x~4 186), 99943#(<= ULTIMATE.start_main_~x~4 192), 99942#(<= ULTIMATE.start_main_~x~4 190), 99945#(<= ULTIMATE.start_main_~x~4 196), 99944#(<= ULTIMATE.start_main_~x~4 194), 99947#(<= ULTIMATE.start_main_~x~4 200), 99946#(<= ULTIMATE.start_main_~x~4 198), 99949#(<= ULTIMATE.start_main_~x~4 204), 99948#(<= ULTIMATE.start_main_~x~4 202), 99951#(<= ULTIMATE.start_main_~x~4 208), 99950#(<= ULTIMATE.start_main_~x~4 206), 99953#(<= ULTIMATE.start_main_~x~4 212), 99952#(<= ULTIMATE.start_main_~x~4 210), 99955#(<= ULTIMATE.start_main_~x~4 216), 99954#(<= ULTIMATE.start_main_~x~4 214), 99957#(<= ULTIMATE.start_main_~x~4 220), 99956#(<= ULTIMATE.start_main_~x~4 218), 99959#(<= ULTIMATE.start_main_~x~4 224), 99958#(<= ULTIMATE.start_main_~x~4 222), 99961#(<= ULTIMATE.start_main_~x~4 228), 99960#(<= ULTIMATE.start_main_~x~4 226), 99963#(<= ULTIMATE.start_main_~x~4 232), 99962#(<= ULTIMATE.start_main_~x~4 230), 99965#(<= ULTIMATE.start_main_~x~4 236), 99964#(<= ULTIMATE.start_main_~x~4 234), 99967#(<= ULTIMATE.start_main_~x~4 240), 99966#(<= ULTIMATE.start_main_~x~4 238), 99969#(<= ULTIMATE.start_main_~x~4 244), 99968#(<= ULTIMATE.start_main_~x~4 242), 99971#(<= ULTIMATE.start_main_~x~4 248), 99970#(<= ULTIMATE.start_main_~x~4 246), 99973#(<= ULTIMATE.start_main_~x~4 252), 99972#(<= ULTIMATE.start_main_~x~4 250), 99975#(<= ULTIMATE.start_main_~x~4 256), 99974#(<= ULTIMATE.start_main_~x~4 254), 99977#(<= ULTIMATE.start_main_~x~4 260), 99976#(<= ULTIMATE.start_main_~x~4 258), 99979#(<= ULTIMATE.start_main_~x~4 264), 99978#(<= ULTIMATE.start_main_~x~4 262), 99981#(<= ULTIMATE.start_main_~x~4 268), 99980#(<= ULTIMATE.start_main_~x~4 266), 99983#(<= ULTIMATE.start_main_~x~4 272), 99982#(<= ULTIMATE.start_main_~x~4 270), 99985#(<= ULTIMATE.start_main_~x~4 276), 99984#(<= ULTIMATE.start_main_~x~4 274), 99987#(<= ULTIMATE.start_main_~x~4 280), 99986#(<= ULTIMATE.start_main_~x~4 278), 99989#(<= ULTIMATE.start_main_~x~4 284), 99988#(<= ULTIMATE.start_main_~x~4 282), 99991#(<= ULTIMATE.start_main_~x~4 288), 99990#(<= ULTIMATE.start_main_~x~4 286), 99993#(<= ULTIMATE.start_main_~x~4 292), 99992#(<= ULTIMATE.start_main_~x~4 290), 99995#(<= ULTIMATE.start_main_~x~4 296), 99994#(<= ULTIMATE.start_main_~x~4 294), 99997#(<= ULTIMATE.start_main_~x~4 300), 99996#(<= ULTIMATE.start_main_~x~4 298), 99999#(<= ULTIMATE.start_main_~x~4 304), 99998#(<= ULTIMATE.start_main_~x~4 302), 100001#(<= ULTIMATE.start_main_~x~4 308), 100000#(<= ULTIMATE.start_main_~x~4 306), 100003#(<= ULTIMATE.start_main_~x~4 312), 100002#(<= ULTIMATE.start_main_~x~4 310), 100005#(<= ULTIMATE.start_main_~x~4 316), 100004#(<= ULTIMATE.start_main_~x~4 314), 100007#(<= ULTIMATE.start_main_~x~4 320), 100006#(<= ULTIMATE.start_main_~x~4 318), 100009#(<= ULTIMATE.start_main_~x~4 324), 100008#(<= ULTIMATE.start_main_~x~4 322), 100011#(<= ULTIMATE.start_main_~x~4 328), 100010#(<= ULTIMATE.start_main_~x~4 326), 100013#(<= ULTIMATE.start_main_~x~4 332), 100012#(<= ULTIMATE.start_main_~x~4 330), 100015#(<= ULTIMATE.start_main_~x~4 336), 100014#(<= ULTIMATE.start_main_~x~4 334), 100017#(<= ULTIMATE.start_main_~x~4 340), 100016#(<= ULTIMATE.start_main_~x~4 338), 100019#(<= ULTIMATE.start_main_~x~4 344), 100018#(<= ULTIMATE.start_main_~x~4 342), 100021#(<= ULTIMATE.start_main_~x~4 348), 100020#(<= ULTIMATE.start_main_~x~4 346), 100023#(<= ULTIMATE.start_main_~x~4 352), 100022#(<= ULTIMATE.start_main_~x~4 350), 100025#(<= ULTIMATE.start_main_~x~4 356), 100024#(<= ULTIMATE.start_main_~x~4 354), 100027#(<= ULTIMATE.start_main_~x~4 360), 100026#(<= ULTIMATE.start_main_~x~4 358), 100029#(<= ULTIMATE.start_main_~x~4 364), 100028#(<= ULTIMATE.start_main_~x~4 362), 100031#(<= ULTIMATE.start_main_~x~4 368), 100030#(<= ULTIMATE.start_main_~x~4 366), 100033#(<= ULTIMATE.start_main_~x~4 372), 100032#(<= ULTIMATE.start_main_~x~4 370), 100035#(<= ULTIMATE.start_main_~x~4 376), 100034#(<= ULTIMATE.start_main_~x~4 374), 100037#(<= ULTIMATE.start_main_~x~4 380), 100036#(<= ULTIMATE.start_main_~x~4 378), 100039#(<= ULTIMATE.start_main_~x~4 384), 100038#(<= ULTIMATE.start_main_~x~4 382), 100041#(<= ULTIMATE.start_main_~x~4 388), 100040#(<= ULTIMATE.start_main_~x~4 386), 100043#(<= ULTIMATE.start_main_~x~4 392), 100042#(<= ULTIMATE.start_main_~x~4 390), 100045#(<= ULTIMATE.start_main_~x~4 396), 100044#(<= ULTIMATE.start_main_~x~4 394), 100047#(<= ULTIMATE.start_main_~x~4 400), 100046#(<= ULTIMATE.start_main_~x~4 398)] [2018-07-23 13:43:15,469 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 13:43:15,469 INFO L450 AbstractCegarLoop]: Interpolant automaton has 198 states [2018-07-23 13:43:15,471 INFO L132 InterpolantAutomaton]: Constructing interpolant automaton starting with 198 interpolants. [2018-07-23 13:43:15,473 INFO L133 InterpolantAutomaton]: CoverageRelationStatistics Valid=19503, Invalid=19503, Unknown=0, NotChecked=0, Total=39006 [2018-07-23 13:43:15,473 INFO L87 Difference]: Start difference. First operand 199 states and 199 transitions. Second operand 198 states. [2018-07-23 13:43:16,505 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2018-07-23 13:43:16,506 INFO L93 Difference]: Finished difference Result 202 states and 202 transitions. [2018-07-23 13:43:16,506 INFO L142 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 198 states. [2018-07-23 13:43:16,506 INFO L78 Accepts]: Start accepts. Automaton has 198 states. Word has length 198 [2018-07-23 13:43:16,506 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2018-07-23 13:43:16,506 INFO L225 Difference]: With dead ends: 202 [2018-07-23 13:43:16,506 INFO L226 Difference]: Without dead ends: 200 [2018-07-23 13:43:16,509 INFO L575 BasicCegarLoop]: 0 DeclaredPredicates, 197 GetRequests, 1 SyntacticMatches, 0 SemanticMatches, 196 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 0 ImplicationChecksByTransitivity, 0.7s TimeCoverageRelationStatistics Valid=19503, Invalid=19503, Unknown=0, NotChecked=0, Total=39006 [2018-07-23 13:43:16,509 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 200 states. [2018-07-23 13:43:16,510 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 200 to 200. [2018-07-23 13:43:16,511 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 200 states. [2018-07-23 13:43:16,511 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 200 states to 200 states and 200 transitions. [2018-07-23 13:43:16,511 INFO L78 Accepts]: Start accepts. Automaton has 200 states and 200 transitions. Word has length 198 [2018-07-23 13:43:16,511 INFO L84 Accepts]: Finished accepts. word is rejected. [2018-07-23 13:43:16,511 INFO L471 AbstractCegarLoop]: Abstraction has 200 states and 200 transitions. [2018-07-23 13:43:16,511 INFO L472 AbstractCegarLoop]: Interpolant automaton has 198 states. [2018-07-23 13:43:16,511 INFO L276 IsEmpty]: Start isEmpty. Operand 200 states and 200 transitions. [2018-07-23 13:43:16,512 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 200 [2018-07-23 13:43:16,512 INFO L349 BasicCegarLoop]: Found error trace [2018-07-23 13:43:16,512 INFO L357 BasicCegarLoop]: trace histogram [196, 1, 1, 1] [2018-07-23 13:43:16,512 INFO L414 AbstractCegarLoop]: === Iteration 197 === [ULTIMATE.startErr0AssertViolationASSERT]=== [2018-07-23 13:43:16,512 INFO L82 PathProgramCache]: Analyzing trace with hash 1920043777, now seen corresponding path program 196 times [2018-07-23 13:43:16,512 INFO L69 tionRefinementEngine]: Using refinement strategy FixedRefinementStrategy [2018-07-23 13:43:16,527 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-07-23 13:43:17,334 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 13:43:17,334 INFO L309 seRefinementStrategy]: Constructing automaton from 0 perfect and 1 imperfect interpolant sequences. [2018-07-23 13:43:17,334 INFO L324 seRefinementStrategy]: Number of different interpolants: perfect sequences [] imperfect sequences [198] total 198 [2018-07-23 13:43:17,334 INFO L142 lantAutomatonBuilder]: Constructing canonical interpolant automaton, with selfloop in false state [2018-07-23 13:43:17,335 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2018-07-23 13:43:17,335 INFO L185 omatonBuilderFactory]: Interpolants [100865#(<= ULTIMATE.start_main_~x~4 32), 100864#(<= ULTIMATE.start_main_~x~4 30), 100867#(<= ULTIMATE.start_main_~x~4 36), 100866#(<= ULTIMATE.start_main_~x~4 34), 100869#(<= ULTIMATE.start_main_~x~4 40), 100868#(<= ULTIMATE.start_main_~x~4 38), 100871#(<= ULTIMATE.start_main_~x~4 44), 100870#(<= ULTIMATE.start_main_~x~4 42), 100873#(<= ULTIMATE.start_main_~x~4 48), 100872#(<= ULTIMATE.start_main_~x~4 46), 100875#(<= ULTIMATE.start_main_~x~4 52), 100874#(<= ULTIMATE.start_main_~x~4 50), 100877#(<= ULTIMATE.start_main_~x~4 56), 100876#(<= ULTIMATE.start_main_~x~4 54), 100879#(<= ULTIMATE.start_main_~x~4 60), 100878#(<= ULTIMATE.start_main_~x~4 58), 100881#(<= ULTIMATE.start_main_~x~4 64), 100880#(<= ULTIMATE.start_main_~x~4 62), 100883#(<= ULTIMATE.start_main_~x~4 68), 100882#(<= ULTIMATE.start_main_~x~4 66), 100885#(<= ULTIMATE.start_main_~x~4 72), 100884#(<= ULTIMATE.start_main_~x~4 70), 100887#(<= ULTIMATE.start_main_~x~4 76), 100886#(<= ULTIMATE.start_main_~x~4 74), 100889#(<= ULTIMATE.start_main_~x~4 80), 100888#(<= ULTIMATE.start_main_~x~4 78), 100891#(<= ULTIMATE.start_main_~x~4 84), 100890#(<= ULTIMATE.start_main_~x~4 82), 100893#(<= ULTIMATE.start_main_~x~4 88), 100892#(<= ULTIMATE.start_main_~x~4 86), 100895#(<= ULTIMATE.start_main_~x~4 92), 100894#(<= ULTIMATE.start_main_~x~4 90), 100897#(<= ULTIMATE.start_main_~x~4 96), 100896#(<= ULTIMATE.start_main_~x~4 94), 100899#(<= ULTIMATE.start_main_~x~4 100), 100898#(<= ULTIMATE.start_main_~x~4 98), 100901#(<= ULTIMATE.start_main_~x~4 104), 100900#(<= ULTIMATE.start_main_~x~4 102), 100903#(<= ULTIMATE.start_main_~x~4 108), 100902#(<= ULTIMATE.start_main_~x~4 106), 100905#(<= ULTIMATE.start_main_~x~4 112), 100904#(<= ULTIMATE.start_main_~x~4 110), 100907#(<= ULTIMATE.start_main_~x~4 116), 100906#(<= ULTIMATE.start_main_~x~4 114), 100909#(<= ULTIMATE.start_main_~x~4 120), 100908#(<= ULTIMATE.start_main_~x~4 118), 100911#(<= ULTIMATE.start_main_~x~4 124), 100910#(<= ULTIMATE.start_main_~x~4 122), 100913#(<= ULTIMATE.start_main_~x~4 128), 100912#(<= ULTIMATE.start_main_~x~4 126), 100915#(<= ULTIMATE.start_main_~x~4 132), 100914#(<= ULTIMATE.start_main_~x~4 130), 100917#(<= ULTIMATE.start_main_~x~4 136), 100916#(<= ULTIMATE.start_main_~x~4 134), 100919#(<= ULTIMATE.start_main_~x~4 140), 100918#(<= ULTIMATE.start_main_~x~4 138), 100921#(<= ULTIMATE.start_main_~x~4 144), 100920#(<= ULTIMATE.start_main_~x~4 142), 100923#(<= ULTIMATE.start_main_~x~4 148), 100922#(<= ULTIMATE.start_main_~x~4 146), 100925#(<= ULTIMATE.start_main_~x~4 152), 100924#(<= ULTIMATE.start_main_~x~4 150), 100927#(<= ULTIMATE.start_main_~x~4 156), 100926#(<= ULTIMATE.start_main_~x~4 154), 100929#(<= ULTIMATE.start_main_~x~4 160), 100928#(<= ULTIMATE.start_main_~x~4 158), 100931#(<= ULTIMATE.start_main_~x~4 164), 100930#(<= ULTIMATE.start_main_~x~4 162), 100933#(<= ULTIMATE.start_main_~x~4 168), 100932#(<= ULTIMATE.start_main_~x~4 166), 100935#(<= ULTIMATE.start_main_~x~4 172), 100934#(<= ULTIMATE.start_main_~x~4 170), 100937#(<= ULTIMATE.start_main_~x~4 176), 100936#(<= ULTIMATE.start_main_~x~4 174), 100939#(<= ULTIMATE.start_main_~x~4 180), 100938#(<= ULTIMATE.start_main_~x~4 178), 100941#(<= ULTIMATE.start_main_~x~4 184), 100940#(<= ULTIMATE.start_main_~x~4 182), 100943#(<= ULTIMATE.start_main_~x~4 188), 100942#(<= ULTIMATE.start_main_~x~4 186), 100945#(<= ULTIMATE.start_main_~x~4 192), 100944#(<= ULTIMATE.start_main_~x~4 190), 100947#(<= ULTIMATE.start_main_~x~4 196), 100946#(<= ULTIMATE.start_main_~x~4 194), 100949#(<= ULTIMATE.start_main_~x~4 200), 100948#(<= ULTIMATE.start_main_~x~4 198), 100951#(<= ULTIMATE.start_main_~x~4 204), 100950#(<= ULTIMATE.start_main_~x~4 202), 100953#(<= ULTIMATE.start_main_~x~4 208), 100952#(<= ULTIMATE.start_main_~x~4 206), 100955#(<= ULTIMATE.start_main_~x~4 212), 100954#(<= ULTIMATE.start_main_~x~4 210), 100957#(<= ULTIMATE.start_main_~x~4 216), 100956#(<= ULTIMATE.start_main_~x~4 214), 100959#(<= ULTIMATE.start_main_~x~4 220), 100958#(<= ULTIMATE.start_main_~x~4 218), 100961#(<= ULTIMATE.start_main_~x~4 224), 100960#(<= ULTIMATE.start_main_~x~4 222), 100963#(<= ULTIMATE.start_main_~x~4 228), 100962#(<= ULTIMATE.start_main_~x~4 226), 100965#(<= ULTIMATE.start_main_~x~4 232), 100964#(<= ULTIMATE.start_main_~x~4 230), 100967#(<= ULTIMATE.start_main_~x~4 236), 100966#(<= ULTIMATE.start_main_~x~4 234), 100969#(<= ULTIMATE.start_main_~x~4 240), 100968#(<= ULTIMATE.start_main_~x~4 238), 100971#(<= ULTIMATE.start_main_~x~4 244), 100970#(<= ULTIMATE.start_main_~x~4 242), 100973#(<= ULTIMATE.start_main_~x~4 248), 100972#(<= ULTIMATE.start_main_~x~4 246), 100975#(<= ULTIMATE.start_main_~x~4 252), 100974#(<= ULTIMATE.start_main_~x~4 250), 100977#(<= ULTIMATE.start_main_~x~4 256), 100976#(<= ULTIMATE.start_main_~x~4 254), 100979#(<= ULTIMATE.start_main_~x~4 260), 100978#(<= ULTIMATE.start_main_~x~4 258), 100981#(<= ULTIMATE.start_main_~x~4 264), 100980#(<= ULTIMATE.start_main_~x~4 262), 100983#(<= ULTIMATE.start_main_~x~4 268), 100982#(<= ULTIMATE.start_main_~x~4 266), 100985#(<= ULTIMATE.start_main_~x~4 272), 100984#(<= ULTIMATE.start_main_~x~4 270), 100987#(<= ULTIMATE.start_main_~x~4 276), 100986#(<= ULTIMATE.start_main_~x~4 274), 100989#(<= ULTIMATE.start_main_~x~4 280), 100988#(<= ULTIMATE.start_main_~x~4 278), 100991#(<= ULTIMATE.start_main_~x~4 284), 100990#(<= ULTIMATE.start_main_~x~4 282), 100993#(<= ULTIMATE.start_main_~x~4 288), 100992#(<= ULTIMATE.start_main_~x~4 286), 100995#(<= ULTIMATE.start_main_~x~4 292), 100994#(<= ULTIMATE.start_main_~x~4 290), 100997#(<= ULTIMATE.start_main_~x~4 296), 100996#(<= ULTIMATE.start_main_~x~4 294), 100999#(<= ULTIMATE.start_main_~x~4 300), 100998#(<= ULTIMATE.start_main_~x~4 298), 101001#(<= ULTIMATE.start_main_~x~4 304), 101000#(<= ULTIMATE.start_main_~x~4 302), 101003#(<= ULTIMATE.start_main_~x~4 308), 101002#(<= ULTIMATE.start_main_~x~4 306), 101005#(<= ULTIMATE.start_main_~x~4 312), 101004#(<= ULTIMATE.start_main_~x~4 310), 101007#(<= ULTIMATE.start_main_~x~4 316), 101006#(<= ULTIMATE.start_main_~x~4 314), 101009#(<= ULTIMATE.start_main_~x~4 320), 101008#(<= ULTIMATE.start_main_~x~4 318), 101011#(<= ULTIMATE.start_main_~x~4 324), 101010#(<= ULTIMATE.start_main_~x~4 322), 101013#(<= ULTIMATE.start_main_~x~4 328), 101012#(<= ULTIMATE.start_main_~x~4 326), 101015#(<= ULTIMATE.start_main_~x~4 332), 101014#(<= ULTIMATE.start_main_~x~4 330), 101017#(<= ULTIMATE.start_main_~x~4 336), 101016#(<= ULTIMATE.start_main_~x~4 334), 101019#(<= ULTIMATE.start_main_~x~4 340), 101018#(<= ULTIMATE.start_main_~x~4 338), 101021#(<= ULTIMATE.start_main_~x~4 344), 101020#(<= ULTIMATE.start_main_~x~4 342), 101023#(<= ULTIMATE.start_main_~x~4 348), 101022#(<= ULTIMATE.start_main_~x~4 346), 101025#(<= ULTIMATE.start_main_~x~4 352), 101024#(<= ULTIMATE.start_main_~x~4 350), 101027#(<= ULTIMATE.start_main_~x~4 356), 101026#(<= ULTIMATE.start_main_~x~4 354), 101029#(<= ULTIMATE.start_main_~x~4 360), 101028#(<= ULTIMATE.start_main_~x~4 358), 101031#(<= ULTIMATE.start_main_~x~4 364), 101030#(<= ULTIMATE.start_main_~x~4 362), 101033#(<= ULTIMATE.start_main_~x~4 368), 101032#(<= ULTIMATE.start_main_~x~4 366), 101035#(<= ULTIMATE.start_main_~x~4 372), 101034#(<= ULTIMATE.start_main_~x~4 370), 101037#(<= ULTIMATE.start_main_~x~4 376), 101036#(<= ULTIMATE.start_main_~x~4 374), 101039#(<= ULTIMATE.start_main_~x~4 380), 101038#(<= ULTIMATE.start_main_~x~4 378), 101041#(<= ULTIMATE.start_main_~x~4 384), 101040#(<= ULTIMATE.start_main_~x~4 382), 101043#(<= ULTIMATE.start_main_~x~4 388), 101042#(<= ULTIMATE.start_main_~x~4 386), 101045#(<= ULTIMATE.start_main_~x~4 392), 101044#(<= ULTIMATE.start_main_~x~4 390), 101047#(<= ULTIMATE.start_main_~x~4 396), 101046#(<= ULTIMATE.start_main_~x~4 394), 101049#(<= ULTIMATE.start_main_~x~4 400), 101048#(<= ULTIMATE.start_main_~x~4 398), 101050#(<= ULTIMATE.start_main_~x~4 402), 100853#false, 100852#true, 100855#(<= ULTIMATE.start_main_~x~4 12), 100854#(<= ULTIMATE.start_main_~x~4 10), 100857#(<= ULTIMATE.start_main_~x~4 16), 100856#(<= ULTIMATE.start_main_~x~4 14), 100859#(<= ULTIMATE.start_main_~x~4 20), 100858#(<= ULTIMATE.start_main_~x~4 18), 100861#(<= ULTIMATE.start_main_~x~4 24), 100860#(<= ULTIMATE.start_main_~x~4 22), 100863#(<= ULTIMATE.start_main_~x~4 28), 100862#(<= ULTIMATE.start_main_~x~4 26)] [2018-07-23 13:43:17,337 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 13:43:17,337 INFO L450 AbstractCegarLoop]: Interpolant automaton has 199 states [2018-07-23 13:43:17,341 INFO L132 InterpolantAutomaton]: Constructing interpolant automaton starting with 199 interpolants. [2018-07-23 13:43:17,344 INFO L133 InterpolantAutomaton]: CoverageRelationStatistics Valid=19701, Invalid=19701, Unknown=0, NotChecked=0, Total=39402 [2018-07-23 13:43:17,344 INFO L87 Difference]: Start difference. First operand 200 states and 200 transitions. Second operand 199 states. [2018-07-23 13:43:18,501 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2018-07-23 13:43:18,501 INFO L93 Difference]: Finished difference Result 203 states and 203 transitions. [2018-07-23 13:43:18,501 INFO L142 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 199 states. [2018-07-23 13:43:18,502 INFO L78 Accepts]: Start accepts. Automaton has 199 states. Word has length 199 [2018-07-23 13:43:18,502 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2018-07-23 13:43:18,502 INFO L225 Difference]: With dead ends: 203 [2018-07-23 13:43:18,502 INFO L226 Difference]: Without dead ends: 201 [2018-07-23 13:43:18,506 INFO L575 BasicCegarLoop]: 0 DeclaredPredicates, 198 GetRequests, 1 SyntacticMatches, 0 SemanticMatches, 197 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 0 ImplicationChecksByTransitivity, 0.7s TimeCoverageRelationStatistics Valid=19701, Invalid=19701, Unknown=0, NotChecked=0, Total=39402 [2018-07-23 13:43:18,507 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 201 states. [2018-07-23 13:43:18,509 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 201 to 201. [2018-07-23 13:43:18,510 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 201 states. [2018-07-23 13:43:18,510 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 201 states to 201 states and 201 transitions. [2018-07-23 13:43:18,510 INFO L78 Accepts]: Start accepts. Automaton has 201 states and 201 transitions. Word has length 199 [2018-07-23 13:43:18,510 INFO L84 Accepts]: Finished accepts. word is rejected. [2018-07-23 13:43:18,510 INFO L471 AbstractCegarLoop]: Abstraction has 201 states and 201 transitions. [2018-07-23 13:43:18,511 INFO L472 AbstractCegarLoop]: Interpolant automaton has 199 states. [2018-07-23 13:43:18,511 INFO L276 IsEmpty]: Start isEmpty. Operand 201 states and 201 transitions. [2018-07-23 13:43:18,511 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 201 [2018-07-23 13:43:18,511 INFO L349 BasicCegarLoop]: Found error trace [2018-07-23 13:43:18,512 INFO L357 BasicCegarLoop]: trace histogram [197, 1, 1, 1] [2018-07-23 13:43:18,512 INFO L414 AbstractCegarLoop]: === Iteration 198 === [ULTIMATE.startErr0AssertViolationASSERT]=== [2018-07-23 13:43:18,512 INFO L82 PathProgramCache]: Analyzing trace with hash -608187032, now seen corresponding path program 197 times [2018-07-23 13:43:18,512 INFO L69 tionRefinementEngine]: Using refinement strategy FixedRefinementStrategy [2018-07-23 13:43:18,536 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-07-23 13:43:19,407 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 13:43:19,408 INFO L309 seRefinementStrategy]: Constructing automaton from 0 perfect and 1 imperfect interpolant sequences. [2018-07-23 13:43:19,408 INFO L324 seRefinementStrategy]: Number of different interpolants: perfect sequences [] imperfect sequences [199] total 199 [2018-07-23 13:43:19,408 INFO L142 lantAutomatonBuilder]: Constructing canonical interpolant automaton, with selfloop in false state [2018-07-23 13:43:19,408 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2018-07-23 13:43:19,408 INFO L185 omatonBuilderFactory]: Interpolants [101889#(<= ULTIMATE.start_main_~x~4 66), 101888#(<= ULTIMATE.start_main_~x~4 64), 101891#(<= ULTIMATE.start_main_~x~4 70), 101890#(<= ULTIMATE.start_main_~x~4 68), 101893#(<= ULTIMATE.start_main_~x~4 74), 101892#(<= ULTIMATE.start_main_~x~4 72), 101895#(<= ULTIMATE.start_main_~x~4 78), 101894#(<= ULTIMATE.start_main_~x~4 76), 101897#(<= ULTIMATE.start_main_~x~4 82), 101896#(<= ULTIMATE.start_main_~x~4 80), 101899#(<= ULTIMATE.start_main_~x~4 86), 101898#(<= ULTIMATE.start_main_~x~4 84), 101901#(<= ULTIMATE.start_main_~x~4 90), 101900#(<= ULTIMATE.start_main_~x~4 88), 101903#(<= ULTIMATE.start_main_~x~4 94), 101902#(<= ULTIMATE.start_main_~x~4 92), 101905#(<= ULTIMATE.start_main_~x~4 98), 101904#(<= ULTIMATE.start_main_~x~4 96), 101907#(<= ULTIMATE.start_main_~x~4 102), 101906#(<= ULTIMATE.start_main_~x~4 100), 101909#(<= ULTIMATE.start_main_~x~4 106), 101908#(<= ULTIMATE.start_main_~x~4 104), 101911#(<= ULTIMATE.start_main_~x~4 110), 101910#(<= ULTIMATE.start_main_~x~4 108), 101913#(<= ULTIMATE.start_main_~x~4 114), 101912#(<= ULTIMATE.start_main_~x~4 112), 101915#(<= ULTIMATE.start_main_~x~4 118), 101914#(<= ULTIMATE.start_main_~x~4 116), 101917#(<= ULTIMATE.start_main_~x~4 122), 101916#(<= ULTIMATE.start_main_~x~4 120), 101919#(<= ULTIMATE.start_main_~x~4 126), 101918#(<= ULTIMATE.start_main_~x~4 124), 101921#(<= ULTIMATE.start_main_~x~4 130), 101920#(<= ULTIMATE.start_main_~x~4 128), 101923#(<= ULTIMATE.start_main_~x~4 134), 101922#(<= ULTIMATE.start_main_~x~4 132), 101925#(<= ULTIMATE.start_main_~x~4 138), 101924#(<= ULTIMATE.start_main_~x~4 136), 101927#(<= ULTIMATE.start_main_~x~4 142), 101926#(<= ULTIMATE.start_main_~x~4 140), 101929#(<= ULTIMATE.start_main_~x~4 146), 101928#(<= ULTIMATE.start_main_~x~4 144), 101931#(<= ULTIMATE.start_main_~x~4 150), 101930#(<= ULTIMATE.start_main_~x~4 148), 101933#(<= ULTIMATE.start_main_~x~4 154), 101932#(<= ULTIMATE.start_main_~x~4 152), 101935#(<= ULTIMATE.start_main_~x~4 158), 101934#(<= ULTIMATE.start_main_~x~4 156), 101937#(<= ULTIMATE.start_main_~x~4 162), 101936#(<= ULTIMATE.start_main_~x~4 160), 101939#(<= ULTIMATE.start_main_~x~4 166), 101938#(<= ULTIMATE.start_main_~x~4 164), 101941#(<= ULTIMATE.start_main_~x~4 170), 101940#(<= ULTIMATE.start_main_~x~4 168), 101943#(<= ULTIMATE.start_main_~x~4 174), 101942#(<= ULTIMATE.start_main_~x~4 172), 101945#(<= ULTIMATE.start_main_~x~4 178), 101944#(<= ULTIMATE.start_main_~x~4 176), 101947#(<= ULTIMATE.start_main_~x~4 182), 101946#(<= ULTIMATE.start_main_~x~4 180), 101949#(<= ULTIMATE.start_main_~x~4 186), 101948#(<= ULTIMATE.start_main_~x~4 184), 101951#(<= ULTIMATE.start_main_~x~4 190), 101950#(<= ULTIMATE.start_main_~x~4 188), 101953#(<= ULTIMATE.start_main_~x~4 194), 101952#(<= ULTIMATE.start_main_~x~4 192), 101955#(<= ULTIMATE.start_main_~x~4 198), 101954#(<= ULTIMATE.start_main_~x~4 196), 101957#(<= ULTIMATE.start_main_~x~4 202), 101956#(<= ULTIMATE.start_main_~x~4 200), 101959#(<= ULTIMATE.start_main_~x~4 206), 101958#(<= ULTIMATE.start_main_~x~4 204), 101961#(<= ULTIMATE.start_main_~x~4 210), 101960#(<= ULTIMATE.start_main_~x~4 208), 101963#(<= ULTIMATE.start_main_~x~4 214), 101962#(<= ULTIMATE.start_main_~x~4 212), 101965#(<= ULTIMATE.start_main_~x~4 218), 101964#(<= ULTIMATE.start_main_~x~4 216), 101967#(<= ULTIMATE.start_main_~x~4 222), 101966#(<= ULTIMATE.start_main_~x~4 220), 101969#(<= ULTIMATE.start_main_~x~4 226), 101968#(<= ULTIMATE.start_main_~x~4 224), 101971#(<= ULTIMATE.start_main_~x~4 230), 101970#(<= ULTIMATE.start_main_~x~4 228), 101973#(<= ULTIMATE.start_main_~x~4 234), 101972#(<= ULTIMATE.start_main_~x~4 232), 101975#(<= ULTIMATE.start_main_~x~4 238), 101974#(<= ULTIMATE.start_main_~x~4 236), 101977#(<= ULTIMATE.start_main_~x~4 242), 101976#(<= ULTIMATE.start_main_~x~4 240), 101979#(<= ULTIMATE.start_main_~x~4 246), 101978#(<= ULTIMATE.start_main_~x~4 244), 101981#(<= ULTIMATE.start_main_~x~4 250), 101980#(<= ULTIMATE.start_main_~x~4 248), 101983#(<= ULTIMATE.start_main_~x~4 254), 101982#(<= ULTIMATE.start_main_~x~4 252), 101985#(<= ULTIMATE.start_main_~x~4 258), 101984#(<= ULTIMATE.start_main_~x~4 256), 101987#(<= ULTIMATE.start_main_~x~4 262), 101986#(<= ULTIMATE.start_main_~x~4 260), 101989#(<= ULTIMATE.start_main_~x~4 266), 101988#(<= ULTIMATE.start_main_~x~4 264), 101991#(<= ULTIMATE.start_main_~x~4 270), 101990#(<= ULTIMATE.start_main_~x~4 268), 101993#(<= ULTIMATE.start_main_~x~4 274), 101992#(<= ULTIMATE.start_main_~x~4 272), 101995#(<= ULTIMATE.start_main_~x~4 278), 101994#(<= ULTIMATE.start_main_~x~4 276), 101997#(<= ULTIMATE.start_main_~x~4 282), 101996#(<= ULTIMATE.start_main_~x~4 280), 101999#(<= ULTIMATE.start_main_~x~4 286), 101998#(<= ULTIMATE.start_main_~x~4 284), 102001#(<= ULTIMATE.start_main_~x~4 290), 102000#(<= ULTIMATE.start_main_~x~4 288), 102003#(<= ULTIMATE.start_main_~x~4 294), 102002#(<= ULTIMATE.start_main_~x~4 292), 102005#(<= ULTIMATE.start_main_~x~4 298), 102004#(<= ULTIMATE.start_main_~x~4 296), 102007#(<= ULTIMATE.start_main_~x~4 302), 102006#(<= ULTIMATE.start_main_~x~4 300), 102009#(<= ULTIMATE.start_main_~x~4 306), 102008#(<= ULTIMATE.start_main_~x~4 304), 102011#(<= ULTIMATE.start_main_~x~4 310), 102010#(<= ULTIMATE.start_main_~x~4 308), 102013#(<= ULTIMATE.start_main_~x~4 314), 102012#(<= ULTIMATE.start_main_~x~4 312), 102015#(<= ULTIMATE.start_main_~x~4 318), 102014#(<= ULTIMATE.start_main_~x~4 316), 102017#(<= ULTIMATE.start_main_~x~4 322), 102016#(<= ULTIMATE.start_main_~x~4 320), 102019#(<= ULTIMATE.start_main_~x~4 326), 102018#(<= ULTIMATE.start_main_~x~4 324), 102021#(<= ULTIMATE.start_main_~x~4 330), 102020#(<= ULTIMATE.start_main_~x~4 328), 102023#(<= ULTIMATE.start_main_~x~4 334), 102022#(<= ULTIMATE.start_main_~x~4 332), 102025#(<= ULTIMATE.start_main_~x~4 338), 102024#(<= ULTIMATE.start_main_~x~4 336), 102027#(<= ULTIMATE.start_main_~x~4 342), 102026#(<= ULTIMATE.start_main_~x~4 340), 102029#(<= ULTIMATE.start_main_~x~4 346), 102028#(<= ULTIMATE.start_main_~x~4 344), 102031#(<= ULTIMATE.start_main_~x~4 350), 102030#(<= ULTIMATE.start_main_~x~4 348), 102033#(<= ULTIMATE.start_main_~x~4 354), 102032#(<= ULTIMATE.start_main_~x~4 352), 102035#(<= ULTIMATE.start_main_~x~4 358), 102034#(<= ULTIMATE.start_main_~x~4 356), 102037#(<= ULTIMATE.start_main_~x~4 362), 102036#(<= ULTIMATE.start_main_~x~4 360), 102039#(<= ULTIMATE.start_main_~x~4 366), 102038#(<= ULTIMATE.start_main_~x~4 364), 102041#(<= ULTIMATE.start_main_~x~4 370), 102040#(<= ULTIMATE.start_main_~x~4 368), 102043#(<= ULTIMATE.start_main_~x~4 374), 102042#(<= ULTIMATE.start_main_~x~4 372), 102045#(<= ULTIMATE.start_main_~x~4 378), 102044#(<= ULTIMATE.start_main_~x~4 376), 102047#(<= ULTIMATE.start_main_~x~4 382), 102046#(<= ULTIMATE.start_main_~x~4 380), 102049#(<= ULTIMATE.start_main_~x~4 386), 102048#(<= ULTIMATE.start_main_~x~4 384), 102051#(<= ULTIMATE.start_main_~x~4 390), 102050#(<= ULTIMATE.start_main_~x~4 388), 102053#(<= ULTIMATE.start_main_~x~4 394), 102052#(<= ULTIMATE.start_main_~x~4 392), 102055#(<= ULTIMATE.start_main_~x~4 398), 102054#(<= ULTIMATE.start_main_~x~4 396), 102057#(<= ULTIMATE.start_main_~x~4 402), 102056#(<= ULTIMATE.start_main_~x~4 400), 102058#(<= ULTIMATE.start_main_~x~4 404), 101859#true, 101861#(<= ULTIMATE.start_main_~x~4 10), 101860#false, 101863#(<= ULTIMATE.start_main_~x~4 14), 101862#(<= ULTIMATE.start_main_~x~4 12), 101865#(<= ULTIMATE.start_main_~x~4 18), 101864#(<= ULTIMATE.start_main_~x~4 16), 101867#(<= ULTIMATE.start_main_~x~4 22), 101866#(<= ULTIMATE.start_main_~x~4 20), 101869#(<= ULTIMATE.start_main_~x~4 26), 101868#(<= ULTIMATE.start_main_~x~4 24), 101871#(<= ULTIMATE.start_main_~x~4 30), 101870#(<= ULTIMATE.start_main_~x~4 28), 101873#(<= ULTIMATE.start_main_~x~4 34), 101872#(<= ULTIMATE.start_main_~x~4 32), 101875#(<= ULTIMATE.start_main_~x~4 38), 101874#(<= ULTIMATE.start_main_~x~4 36), 101877#(<= ULTIMATE.start_main_~x~4 42), 101876#(<= ULTIMATE.start_main_~x~4 40), 101879#(<= ULTIMATE.start_main_~x~4 46), 101878#(<= ULTIMATE.start_main_~x~4 44), 101881#(<= ULTIMATE.start_main_~x~4 50), 101880#(<= ULTIMATE.start_main_~x~4 48), 101883#(<= ULTIMATE.start_main_~x~4 54), 101882#(<= ULTIMATE.start_main_~x~4 52), 101885#(<= ULTIMATE.start_main_~x~4 58), 101884#(<= ULTIMATE.start_main_~x~4 56), 101887#(<= ULTIMATE.start_main_~x~4 62), 101886#(<= ULTIMATE.start_main_~x~4 60)] [2018-07-23 13:43:19,410 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 13:43:19,410 INFO L450 AbstractCegarLoop]: Interpolant automaton has 200 states [2018-07-23 13:43:19,412 INFO L132 InterpolantAutomaton]: Constructing interpolant automaton starting with 200 interpolants. [2018-07-23 13:43:19,414 INFO L133 InterpolantAutomaton]: CoverageRelationStatistics Valid=19900, Invalid=19900, Unknown=0, NotChecked=0, Total=39800 [2018-07-23 13:43:19,414 INFO L87 Difference]: Start difference. First operand 201 states and 201 transitions. Second operand 200 states. [2018-07-23 13:43:20,304 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2018-07-23 13:43:20,304 INFO L93 Difference]: Finished difference Result 204 states and 204 transitions. [2018-07-23 13:43:20,304 INFO L142 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 200 states. [2018-07-23 13:43:20,304 INFO L78 Accepts]: Start accepts. Automaton has 200 states. Word has length 200 [2018-07-23 13:43:20,305 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2018-07-23 13:43:20,305 INFO L225 Difference]: With dead ends: 204 [2018-07-23 13:43:20,305 INFO L226 Difference]: Without dead ends: 202 [2018-07-23 13:43:20,310 INFO L575 BasicCegarLoop]: 0 DeclaredPredicates, 199 GetRequests, 1 SyntacticMatches, 0 SemanticMatches, 198 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 0 ImplicationChecksByTransitivity, 0.7s TimeCoverageRelationStatistics Valid=19900, Invalid=19900, Unknown=0, NotChecked=0, Total=39800 [2018-07-23 13:43:20,311 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 202 states. [2018-07-23 13:43:20,314 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 202 to 202. [2018-07-23 13:43:20,314 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 202 states. [2018-07-23 13:43:20,314 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 202 states to 202 states and 202 transitions. [2018-07-23 13:43:20,314 INFO L78 Accepts]: Start accepts. Automaton has 202 states and 202 transitions. Word has length 200 [2018-07-23 13:43:20,315 INFO L84 Accepts]: Finished accepts. word is rejected. [2018-07-23 13:43:20,315 INFO L471 AbstractCegarLoop]: Abstraction has 202 states and 202 transitions. [2018-07-23 13:43:20,315 INFO L472 AbstractCegarLoop]: Interpolant automaton has 200 states. [2018-07-23 13:43:20,315 INFO L276 IsEmpty]: Start isEmpty. Operand 202 states and 202 transitions. [2018-07-23 13:43:20,316 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 202 [2018-07-23 13:43:20,316 INFO L349 BasicCegarLoop]: Found error trace [2018-07-23 13:43:20,316 INFO L357 BasicCegarLoop]: trace histogram [198, 1, 1, 1] [2018-07-23 13:43:20,316 INFO L414 AbstractCegarLoop]: === Iteration 199 === [ULTIMATE.startErr0AssertViolationASSERT]=== [2018-07-23 13:43:20,316 INFO L82 PathProgramCache]: Analyzing trace with hash -1673930783, now seen corresponding path program 198 times [2018-07-23 13:43:20,316 INFO L69 tionRefinementEngine]: Using refinement strategy FixedRefinementStrategy [2018-07-23 13:43:20,343 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-07-23 13:43:21,213 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 13:43:21,213 INFO L309 seRefinementStrategy]: Constructing automaton from 0 perfect and 1 imperfect interpolant sequences. [2018-07-23 13:43:21,214 INFO L324 seRefinementStrategy]: Number of different interpolants: perfect sequences [] imperfect sequences [200] total 200 [2018-07-23 13:43:21,214 INFO L142 lantAutomatonBuilder]: Constructing canonical interpolant automaton, with selfloop in false state [2018-07-23 13:43:21,214 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2018-07-23 13:43:21,214 INFO L185 omatonBuilderFactory]: Interpolants [102913#(<= ULTIMATE.start_main_~x~4 90), 102912#(<= ULTIMATE.start_main_~x~4 88), 102915#(<= ULTIMATE.start_main_~x~4 94), 102914#(<= ULTIMATE.start_main_~x~4 92), 102917#(<= ULTIMATE.start_main_~x~4 98), 102916#(<= ULTIMATE.start_main_~x~4 96), 102919#(<= ULTIMATE.start_main_~x~4 102), 102918#(<= ULTIMATE.start_main_~x~4 100), 102921#(<= ULTIMATE.start_main_~x~4 106), 102920#(<= ULTIMATE.start_main_~x~4 104), 102923#(<= ULTIMATE.start_main_~x~4 110), 102922#(<= ULTIMATE.start_main_~x~4 108), 102925#(<= ULTIMATE.start_main_~x~4 114), 102924#(<= ULTIMATE.start_main_~x~4 112), 102927#(<= ULTIMATE.start_main_~x~4 118), 102926#(<= ULTIMATE.start_main_~x~4 116), 102929#(<= ULTIMATE.start_main_~x~4 122), 102928#(<= ULTIMATE.start_main_~x~4 120), 102931#(<= ULTIMATE.start_main_~x~4 126), 102930#(<= ULTIMATE.start_main_~x~4 124), 102933#(<= ULTIMATE.start_main_~x~4 130), 102932#(<= ULTIMATE.start_main_~x~4 128), 102935#(<= ULTIMATE.start_main_~x~4 134), 102934#(<= ULTIMATE.start_main_~x~4 132), 102937#(<= ULTIMATE.start_main_~x~4 138), 102936#(<= ULTIMATE.start_main_~x~4 136), 102939#(<= ULTIMATE.start_main_~x~4 142), 102938#(<= ULTIMATE.start_main_~x~4 140), 102941#(<= ULTIMATE.start_main_~x~4 146), 102940#(<= ULTIMATE.start_main_~x~4 144), 102943#(<= ULTIMATE.start_main_~x~4 150), 102942#(<= ULTIMATE.start_main_~x~4 148), 102945#(<= ULTIMATE.start_main_~x~4 154), 102944#(<= ULTIMATE.start_main_~x~4 152), 102947#(<= ULTIMATE.start_main_~x~4 158), 102946#(<= ULTIMATE.start_main_~x~4 156), 102949#(<= ULTIMATE.start_main_~x~4 162), 102948#(<= ULTIMATE.start_main_~x~4 160), 102951#(<= ULTIMATE.start_main_~x~4 166), 102950#(<= ULTIMATE.start_main_~x~4 164), 102953#(<= ULTIMATE.start_main_~x~4 170), 102952#(<= ULTIMATE.start_main_~x~4 168), 102955#(<= ULTIMATE.start_main_~x~4 174), 102954#(<= ULTIMATE.start_main_~x~4 172), 102957#(<= ULTIMATE.start_main_~x~4 178), 102956#(<= ULTIMATE.start_main_~x~4 176), 102959#(<= ULTIMATE.start_main_~x~4 182), 102958#(<= ULTIMATE.start_main_~x~4 180), 102961#(<= ULTIMATE.start_main_~x~4 186), 102960#(<= ULTIMATE.start_main_~x~4 184), 102963#(<= ULTIMATE.start_main_~x~4 190), 102962#(<= ULTIMATE.start_main_~x~4 188), 102965#(<= ULTIMATE.start_main_~x~4 194), 102964#(<= ULTIMATE.start_main_~x~4 192), 102967#(<= ULTIMATE.start_main_~x~4 198), 102966#(<= ULTIMATE.start_main_~x~4 196), 102969#(<= ULTIMATE.start_main_~x~4 202), 102968#(<= ULTIMATE.start_main_~x~4 200), 102971#(<= ULTIMATE.start_main_~x~4 206), 102970#(<= ULTIMATE.start_main_~x~4 204), 102973#(<= ULTIMATE.start_main_~x~4 210), 102972#(<= ULTIMATE.start_main_~x~4 208), 102975#(<= ULTIMATE.start_main_~x~4 214), 102974#(<= ULTIMATE.start_main_~x~4 212), 102977#(<= ULTIMATE.start_main_~x~4 218), 102976#(<= ULTIMATE.start_main_~x~4 216), 102979#(<= ULTIMATE.start_main_~x~4 222), 102978#(<= ULTIMATE.start_main_~x~4 220), 102981#(<= ULTIMATE.start_main_~x~4 226), 102980#(<= ULTIMATE.start_main_~x~4 224), 102983#(<= ULTIMATE.start_main_~x~4 230), 102982#(<= ULTIMATE.start_main_~x~4 228), 102985#(<= ULTIMATE.start_main_~x~4 234), 102984#(<= ULTIMATE.start_main_~x~4 232), 102987#(<= ULTIMATE.start_main_~x~4 238), 102986#(<= ULTIMATE.start_main_~x~4 236), 102989#(<= ULTIMATE.start_main_~x~4 242), 102988#(<= ULTIMATE.start_main_~x~4 240), 102991#(<= ULTIMATE.start_main_~x~4 246), 102990#(<= ULTIMATE.start_main_~x~4 244), 102993#(<= ULTIMATE.start_main_~x~4 250), 102992#(<= ULTIMATE.start_main_~x~4 248), 102995#(<= ULTIMATE.start_main_~x~4 254), 102994#(<= ULTIMATE.start_main_~x~4 252), 102997#(<= ULTIMATE.start_main_~x~4 258), 102996#(<= ULTIMATE.start_main_~x~4 256), 102999#(<= ULTIMATE.start_main_~x~4 262), 102998#(<= ULTIMATE.start_main_~x~4 260), 103001#(<= ULTIMATE.start_main_~x~4 266), 103000#(<= ULTIMATE.start_main_~x~4 264), 103003#(<= ULTIMATE.start_main_~x~4 270), 103002#(<= ULTIMATE.start_main_~x~4 268), 103005#(<= ULTIMATE.start_main_~x~4 274), 103004#(<= ULTIMATE.start_main_~x~4 272), 103007#(<= ULTIMATE.start_main_~x~4 278), 103006#(<= ULTIMATE.start_main_~x~4 276), 103009#(<= ULTIMATE.start_main_~x~4 282), 103008#(<= ULTIMATE.start_main_~x~4 280), 103011#(<= ULTIMATE.start_main_~x~4 286), 103010#(<= ULTIMATE.start_main_~x~4 284), 103013#(<= ULTIMATE.start_main_~x~4 290), 103012#(<= ULTIMATE.start_main_~x~4 288), 103015#(<= ULTIMATE.start_main_~x~4 294), 103014#(<= ULTIMATE.start_main_~x~4 292), 103017#(<= ULTIMATE.start_main_~x~4 298), 103016#(<= ULTIMATE.start_main_~x~4 296), 103019#(<= ULTIMATE.start_main_~x~4 302), 103018#(<= ULTIMATE.start_main_~x~4 300), 103021#(<= ULTIMATE.start_main_~x~4 306), 103020#(<= ULTIMATE.start_main_~x~4 304), 103023#(<= ULTIMATE.start_main_~x~4 310), 103022#(<= ULTIMATE.start_main_~x~4 308), 103025#(<= ULTIMATE.start_main_~x~4 314), 103024#(<= ULTIMATE.start_main_~x~4 312), 103027#(<= ULTIMATE.start_main_~x~4 318), 103026#(<= ULTIMATE.start_main_~x~4 316), 103029#(<= ULTIMATE.start_main_~x~4 322), 103028#(<= ULTIMATE.start_main_~x~4 320), 103031#(<= ULTIMATE.start_main_~x~4 326), 103030#(<= ULTIMATE.start_main_~x~4 324), 103033#(<= ULTIMATE.start_main_~x~4 330), 103032#(<= ULTIMATE.start_main_~x~4 328), 103035#(<= ULTIMATE.start_main_~x~4 334), 103034#(<= ULTIMATE.start_main_~x~4 332), 103037#(<= ULTIMATE.start_main_~x~4 338), 103036#(<= ULTIMATE.start_main_~x~4 336), 103039#(<= ULTIMATE.start_main_~x~4 342), 103038#(<= ULTIMATE.start_main_~x~4 340), 103041#(<= ULTIMATE.start_main_~x~4 346), 103040#(<= ULTIMATE.start_main_~x~4 344), 103043#(<= ULTIMATE.start_main_~x~4 350), 103042#(<= ULTIMATE.start_main_~x~4 348), 103045#(<= ULTIMATE.start_main_~x~4 354), 103044#(<= ULTIMATE.start_main_~x~4 352), 103047#(<= ULTIMATE.start_main_~x~4 358), 103046#(<= ULTIMATE.start_main_~x~4 356), 103049#(<= ULTIMATE.start_main_~x~4 362), 103048#(<= ULTIMATE.start_main_~x~4 360), 103051#(<= ULTIMATE.start_main_~x~4 366), 103050#(<= ULTIMATE.start_main_~x~4 364), 103053#(<= ULTIMATE.start_main_~x~4 370), 103052#(<= ULTIMATE.start_main_~x~4 368), 103055#(<= ULTIMATE.start_main_~x~4 374), 103054#(<= ULTIMATE.start_main_~x~4 372), 103057#(<= ULTIMATE.start_main_~x~4 378), 103056#(<= ULTIMATE.start_main_~x~4 376), 103059#(<= ULTIMATE.start_main_~x~4 382), 103058#(<= ULTIMATE.start_main_~x~4 380), 103061#(<= ULTIMATE.start_main_~x~4 386), 103060#(<= ULTIMATE.start_main_~x~4 384), 103063#(<= ULTIMATE.start_main_~x~4 390), 103062#(<= ULTIMATE.start_main_~x~4 388), 103065#(<= ULTIMATE.start_main_~x~4 394), 103064#(<= ULTIMATE.start_main_~x~4 392), 103067#(<= ULTIMATE.start_main_~x~4 398), 103066#(<= ULTIMATE.start_main_~x~4 396), 103069#(<= ULTIMATE.start_main_~x~4 402), 103068#(<= ULTIMATE.start_main_~x~4 400), 103071#(<= ULTIMATE.start_main_~x~4 406), 103070#(<= ULTIMATE.start_main_~x~4 404), 102871#true, 102873#(<= ULTIMATE.start_main_~x~4 10), 102872#false, 102875#(<= ULTIMATE.start_main_~x~4 14), 102874#(<= ULTIMATE.start_main_~x~4 12), 102877#(<= ULTIMATE.start_main_~x~4 18), 102876#(<= ULTIMATE.start_main_~x~4 16), 102879#(<= ULTIMATE.start_main_~x~4 22), 102878#(<= ULTIMATE.start_main_~x~4 20), 102881#(<= ULTIMATE.start_main_~x~4 26), 102880#(<= ULTIMATE.start_main_~x~4 24), 102883#(<= ULTIMATE.start_main_~x~4 30), 102882#(<= ULTIMATE.start_main_~x~4 28), 102885#(<= ULTIMATE.start_main_~x~4 34), 102884#(<= ULTIMATE.start_main_~x~4 32), 102887#(<= ULTIMATE.start_main_~x~4 38), 102886#(<= ULTIMATE.start_main_~x~4 36), 102889#(<= ULTIMATE.start_main_~x~4 42), 102888#(<= ULTIMATE.start_main_~x~4 40), 102891#(<= ULTIMATE.start_main_~x~4 46), 102890#(<= ULTIMATE.start_main_~x~4 44), 102893#(<= ULTIMATE.start_main_~x~4 50), 102892#(<= ULTIMATE.start_main_~x~4 48), 102895#(<= ULTIMATE.start_main_~x~4 54), 102894#(<= ULTIMATE.start_main_~x~4 52), 102897#(<= ULTIMATE.start_main_~x~4 58), 102896#(<= ULTIMATE.start_main_~x~4 56), 102899#(<= ULTIMATE.start_main_~x~4 62), 102898#(<= ULTIMATE.start_main_~x~4 60), 102901#(<= ULTIMATE.start_main_~x~4 66), 102900#(<= ULTIMATE.start_main_~x~4 64), 102903#(<= ULTIMATE.start_main_~x~4 70), 102902#(<= ULTIMATE.start_main_~x~4 68), 102905#(<= ULTIMATE.start_main_~x~4 74), 102904#(<= ULTIMATE.start_main_~x~4 72), 102907#(<= ULTIMATE.start_main_~x~4 78), 102906#(<= ULTIMATE.start_main_~x~4 76), 102909#(<= ULTIMATE.start_main_~x~4 82), 102908#(<= ULTIMATE.start_main_~x~4 80), 102911#(<= ULTIMATE.start_main_~x~4 86), 102910#(<= ULTIMATE.start_main_~x~4 84)] [2018-07-23 13:43:21,215 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 13:43:21,215 INFO L450 AbstractCegarLoop]: Interpolant automaton has 201 states [2018-07-23 13:43:21,217 INFO L132 InterpolantAutomaton]: Constructing interpolant automaton starting with 201 interpolants. [2018-07-23 13:43:21,219 INFO L133 InterpolantAutomaton]: CoverageRelationStatistics Valid=20100, Invalid=20100, Unknown=0, NotChecked=0, Total=40200 [2018-07-23 13:43:21,219 INFO L87 Difference]: Start difference. First operand 202 states and 202 transitions. Second operand 201 states. [2018-07-23 13:43:21,936 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2018-07-23 13:43:21,936 INFO L93 Difference]: Finished difference Result 205 states and 205 transitions. [2018-07-23 13:43:21,937 INFO L142 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 201 states. [2018-07-23 13:43:21,937 INFO L78 Accepts]: Start accepts. Automaton has 201 states. Word has length 201 [2018-07-23 13:43:21,937 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2018-07-23 13:43:21,937 INFO L225 Difference]: With dead ends: 205 [2018-07-23 13:43:21,937 INFO L226 Difference]: Without dead ends: 203 [2018-07-23 13:43:21,940 INFO L575 BasicCegarLoop]: 0 DeclaredPredicates, 200 GetRequests, 1 SyntacticMatches, 0 SemanticMatches, 199 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 0 ImplicationChecksByTransitivity, 0.7s TimeCoverageRelationStatistics Valid=20100, Invalid=20100, Unknown=0, NotChecked=0, Total=40200 [2018-07-23 13:43:21,940 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 203 states. [2018-07-23 13:43:21,941 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 203 to 203. [2018-07-23 13:43:21,942 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 203 states. [2018-07-23 13:43:21,942 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 203 states to 203 states and 203 transitions. [2018-07-23 13:43:21,942 INFO L78 Accepts]: Start accepts. Automaton has 203 states and 203 transitions. Word has length 201 [2018-07-23 13:43:21,942 INFO L84 Accepts]: Finished accepts. word is rejected. [2018-07-23 13:43:21,942 INFO L471 AbstractCegarLoop]: Abstraction has 203 states and 203 transitions. [2018-07-23 13:43:21,942 INFO L472 AbstractCegarLoop]: Interpolant automaton has 201 states. [2018-07-23 13:43:21,942 INFO L276 IsEmpty]: Start isEmpty. Operand 203 states and 203 transitions. [2018-07-23 13:43:21,943 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 203 [2018-07-23 13:43:21,943 INFO L349 BasicCegarLoop]: Found error trace [2018-07-23 13:43:21,943 INFO L357 BasicCegarLoop]: trace histogram [199, 1, 1, 1] [2018-07-23 13:43:21,943 INFO L414 AbstractCegarLoop]: === Iteration 200 === [ULTIMATE.startErr0AssertViolationASSERT]=== [2018-07-23 13:43:21,943 INFO L82 PathProgramCache]: Analyzing trace with hash -352248696, now seen corresponding path program 199 times [2018-07-23 13:43:21,943 INFO L69 tionRefinementEngine]: Using refinement strategy FixedRefinementStrategy [2018-07-23 13:43:21,958 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-07-23 13:43:22,849 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 13:43:22,849 INFO L309 seRefinementStrategy]: Constructing automaton from 0 perfect and 1 imperfect interpolant sequences. [2018-07-23 13:43:22,849 INFO L324 seRefinementStrategy]: Number of different interpolants: perfect sequences [] imperfect sequences [201] total 201 [2018-07-23 13:43:22,850 INFO L142 lantAutomatonBuilder]: Constructing canonical interpolant automaton, with selfloop in false state [2018-07-23 13:43:22,850 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2018-07-23 13:43:22,850 INFO L185 omatonBuilderFactory]: Interpolants [103937#(<= ULTIMATE.start_main_~x~4 104), 103936#(<= ULTIMATE.start_main_~x~4 102), 103939#(<= ULTIMATE.start_main_~x~4 108), 103938#(<= ULTIMATE.start_main_~x~4 106), 103941#(<= ULTIMATE.start_main_~x~4 112), 103940#(<= ULTIMATE.start_main_~x~4 110), 103943#(<= ULTIMATE.start_main_~x~4 116), 103942#(<= ULTIMATE.start_main_~x~4 114), 103945#(<= ULTIMATE.start_main_~x~4 120), 103944#(<= ULTIMATE.start_main_~x~4 118), 103947#(<= ULTIMATE.start_main_~x~4 124), 103946#(<= ULTIMATE.start_main_~x~4 122), 103949#(<= ULTIMATE.start_main_~x~4 128), 103948#(<= ULTIMATE.start_main_~x~4 126), 103951#(<= ULTIMATE.start_main_~x~4 132), 103950#(<= ULTIMATE.start_main_~x~4 130), 103953#(<= ULTIMATE.start_main_~x~4 136), 103952#(<= ULTIMATE.start_main_~x~4 134), 103955#(<= ULTIMATE.start_main_~x~4 140), 103954#(<= ULTIMATE.start_main_~x~4 138), 103957#(<= ULTIMATE.start_main_~x~4 144), 103956#(<= ULTIMATE.start_main_~x~4 142), 103959#(<= ULTIMATE.start_main_~x~4 148), 103958#(<= ULTIMATE.start_main_~x~4 146), 103961#(<= ULTIMATE.start_main_~x~4 152), 103960#(<= ULTIMATE.start_main_~x~4 150), 103963#(<= ULTIMATE.start_main_~x~4 156), 103962#(<= ULTIMATE.start_main_~x~4 154), 103965#(<= ULTIMATE.start_main_~x~4 160), 103964#(<= ULTIMATE.start_main_~x~4 158), 103967#(<= ULTIMATE.start_main_~x~4 164), 103966#(<= ULTIMATE.start_main_~x~4 162), 103969#(<= ULTIMATE.start_main_~x~4 168), 103968#(<= ULTIMATE.start_main_~x~4 166), 103971#(<= ULTIMATE.start_main_~x~4 172), 103970#(<= ULTIMATE.start_main_~x~4 170), 103973#(<= ULTIMATE.start_main_~x~4 176), 103972#(<= ULTIMATE.start_main_~x~4 174), 103975#(<= ULTIMATE.start_main_~x~4 180), 103974#(<= ULTIMATE.start_main_~x~4 178), 103977#(<= ULTIMATE.start_main_~x~4 184), 103976#(<= ULTIMATE.start_main_~x~4 182), 103979#(<= ULTIMATE.start_main_~x~4 188), 103978#(<= ULTIMATE.start_main_~x~4 186), 103981#(<= ULTIMATE.start_main_~x~4 192), 103980#(<= ULTIMATE.start_main_~x~4 190), 103983#(<= ULTIMATE.start_main_~x~4 196), 103982#(<= ULTIMATE.start_main_~x~4 194), 103985#(<= ULTIMATE.start_main_~x~4 200), 103984#(<= ULTIMATE.start_main_~x~4 198), 103987#(<= ULTIMATE.start_main_~x~4 204), 103986#(<= ULTIMATE.start_main_~x~4 202), 103989#(<= ULTIMATE.start_main_~x~4 208), 103988#(<= ULTIMATE.start_main_~x~4 206), 103991#(<= ULTIMATE.start_main_~x~4 212), 103990#(<= ULTIMATE.start_main_~x~4 210), 103993#(<= ULTIMATE.start_main_~x~4 216), 103992#(<= ULTIMATE.start_main_~x~4 214), 103995#(<= ULTIMATE.start_main_~x~4 220), 103994#(<= ULTIMATE.start_main_~x~4 218), 103997#(<= ULTIMATE.start_main_~x~4 224), 103996#(<= ULTIMATE.start_main_~x~4 222), 103999#(<= ULTIMATE.start_main_~x~4 228), 103998#(<= ULTIMATE.start_main_~x~4 226), 104001#(<= ULTIMATE.start_main_~x~4 232), 104000#(<= ULTIMATE.start_main_~x~4 230), 104003#(<= ULTIMATE.start_main_~x~4 236), 104002#(<= ULTIMATE.start_main_~x~4 234), 104005#(<= ULTIMATE.start_main_~x~4 240), 104004#(<= ULTIMATE.start_main_~x~4 238), 104007#(<= ULTIMATE.start_main_~x~4 244), 104006#(<= ULTIMATE.start_main_~x~4 242), 104009#(<= ULTIMATE.start_main_~x~4 248), 104008#(<= ULTIMATE.start_main_~x~4 246), 104011#(<= ULTIMATE.start_main_~x~4 252), 104010#(<= ULTIMATE.start_main_~x~4 250), 104013#(<= ULTIMATE.start_main_~x~4 256), 104012#(<= ULTIMATE.start_main_~x~4 254), 104015#(<= ULTIMATE.start_main_~x~4 260), 104014#(<= ULTIMATE.start_main_~x~4 258), 104017#(<= ULTIMATE.start_main_~x~4 264), 104016#(<= ULTIMATE.start_main_~x~4 262), 104019#(<= ULTIMATE.start_main_~x~4 268), 104018#(<= ULTIMATE.start_main_~x~4 266), 104021#(<= ULTIMATE.start_main_~x~4 272), 104020#(<= ULTIMATE.start_main_~x~4 270), 104023#(<= ULTIMATE.start_main_~x~4 276), 104022#(<= ULTIMATE.start_main_~x~4 274), 104025#(<= ULTIMATE.start_main_~x~4 280), 104024#(<= ULTIMATE.start_main_~x~4 278), 104027#(<= ULTIMATE.start_main_~x~4 284), 104026#(<= ULTIMATE.start_main_~x~4 282), 104029#(<= ULTIMATE.start_main_~x~4 288), 104028#(<= ULTIMATE.start_main_~x~4 286), 104031#(<= ULTIMATE.start_main_~x~4 292), 104030#(<= ULTIMATE.start_main_~x~4 290), 104033#(<= ULTIMATE.start_main_~x~4 296), 104032#(<= ULTIMATE.start_main_~x~4 294), 104035#(<= ULTIMATE.start_main_~x~4 300), 104034#(<= ULTIMATE.start_main_~x~4 298), 104037#(<= ULTIMATE.start_main_~x~4 304), 104036#(<= ULTIMATE.start_main_~x~4 302), 104039#(<= ULTIMATE.start_main_~x~4 308), 104038#(<= ULTIMATE.start_main_~x~4 306), 104041#(<= ULTIMATE.start_main_~x~4 312), 104040#(<= ULTIMATE.start_main_~x~4 310), 104043#(<= ULTIMATE.start_main_~x~4 316), 104042#(<= ULTIMATE.start_main_~x~4 314), 104045#(<= ULTIMATE.start_main_~x~4 320), 104044#(<= ULTIMATE.start_main_~x~4 318), 104047#(<= ULTIMATE.start_main_~x~4 324), 104046#(<= ULTIMATE.start_main_~x~4 322), 104049#(<= ULTIMATE.start_main_~x~4 328), 104048#(<= ULTIMATE.start_main_~x~4 326), 104051#(<= ULTIMATE.start_main_~x~4 332), 104050#(<= ULTIMATE.start_main_~x~4 330), 104053#(<= ULTIMATE.start_main_~x~4 336), 104052#(<= ULTIMATE.start_main_~x~4 334), 104055#(<= ULTIMATE.start_main_~x~4 340), 104054#(<= ULTIMATE.start_main_~x~4 338), 104057#(<= ULTIMATE.start_main_~x~4 344), 104056#(<= ULTIMATE.start_main_~x~4 342), 104059#(<= ULTIMATE.start_main_~x~4 348), 104058#(<= ULTIMATE.start_main_~x~4 346), 104061#(<= ULTIMATE.start_main_~x~4 352), 104060#(<= ULTIMATE.start_main_~x~4 350), 104063#(<= ULTIMATE.start_main_~x~4 356), 104062#(<= ULTIMATE.start_main_~x~4 354), 104065#(<= ULTIMATE.start_main_~x~4 360), 104064#(<= ULTIMATE.start_main_~x~4 358), 104067#(<= ULTIMATE.start_main_~x~4 364), 104066#(<= ULTIMATE.start_main_~x~4 362), 104069#(<= ULTIMATE.start_main_~x~4 368), 104068#(<= ULTIMATE.start_main_~x~4 366), 104071#(<= ULTIMATE.start_main_~x~4 372), 104070#(<= ULTIMATE.start_main_~x~4 370), 104073#(<= ULTIMATE.start_main_~x~4 376), 104072#(<= ULTIMATE.start_main_~x~4 374), 104075#(<= ULTIMATE.start_main_~x~4 380), 104074#(<= ULTIMATE.start_main_~x~4 378), 104077#(<= ULTIMATE.start_main_~x~4 384), 104076#(<= ULTIMATE.start_main_~x~4 382), 104079#(<= ULTIMATE.start_main_~x~4 388), 104078#(<= ULTIMATE.start_main_~x~4 386), 104081#(<= ULTIMATE.start_main_~x~4 392), 104080#(<= ULTIMATE.start_main_~x~4 390), 104083#(<= ULTIMATE.start_main_~x~4 396), 104082#(<= ULTIMATE.start_main_~x~4 394), 104085#(<= ULTIMATE.start_main_~x~4 400), 104084#(<= ULTIMATE.start_main_~x~4 398), 104087#(<= ULTIMATE.start_main_~x~4 404), 104086#(<= ULTIMATE.start_main_~x~4 402), 104089#(<= ULTIMATE.start_main_~x~4 408), 104088#(<= ULTIMATE.start_main_~x~4 406), 103889#false, 103888#true, 103891#(<= ULTIMATE.start_main_~x~4 12), 103890#(<= ULTIMATE.start_main_~x~4 10), 103893#(<= ULTIMATE.start_main_~x~4 16), 103892#(<= ULTIMATE.start_main_~x~4 14), 103895#(<= ULTIMATE.start_main_~x~4 20), 103894#(<= ULTIMATE.start_main_~x~4 18), 103897#(<= ULTIMATE.start_main_~x~4 24), 103896#(<= ULTIMATE.start_main_~x~4 22), 103899#(<= ULTIMATE.start_main_~x~4 28), 103898#(<= ULTIMATE.start_main_~x~4 26), 103901#(<= ULTIMATE.start_main_~x~4 32), 103900#(<= ULTIMATE.start_main_~x~4 30), 103903#(<= ULTIMATE.start_main_~x~4 36), 103902#(<= ULTIMATE.start_main_~x~4 34), 103905#(<= ULTIMATE.start_main_~x~4 40), 103904#(<= ULTIMATE.start_main_~x~4 38), 103907#(<= ULTIMATE.start_main_~x~4 44), 103906#(<= ULTIMATE.start_main_~x~4 42), 103909#(<= ULTIMATE.start_main_~x~4 48), 103908#(<= ULTIMATE.start_main_~x~4 46), 103911#(<= ULTIMATE.start_main_~x~4 52), 103910#(<= ULTIMATE.start_main_~x~4 50), 103913#(<= ULTIMATE.start_main_~x~4 56), 103912#(<= ULTIMATE.start_main_~x~4 54), 103915#(<= ULTIMATE.start_main_~x~4 60), 103914#(<= ULTIMATE.start_main_~x~4 58), 103917#(<= ULTIMATE.start_main_~x~4 64), 103916#(<= ULTIMATE.start_main_~x~4 62), 103919#(<= ULTIMATE.start_main_~x~4 68), 103918#(<= ULTIMATE.start_main_~x~4 66), 103921#(<= ULTIMATE.start_main_~x~4 72), 103920#(<= ULTIMATE.start_main_~x~4 70), 103923#(<= ULTIMATE.start_main_~x~4 76), 103922#(<= ULTIMATE.start_main_~x~4 74), 103925#(<= ULTIMATE.start_main_~x~4 80), 103924#(<= ULTIMATE.start_main_~x~4 78), 103927#(<= ULTIMATE.start_main_~x~4 84), 103926#(<= ULTIMATE.start_main_~x~4 82), 103929#(<= ULTIMATE.start_main_~x~4 88), 103928#(<= ULTIMATE.start_main_~x~4 86), 103931#(<= ULTIMATE.start_main_~x~4 92), 103930#(<= ULTIMATE.start_main_~x~4 90), 103933#(<= ULTIMATE.start_main_~x~4 96), 103932#(<= ULTIMATE.start_main_~x~4 94), 103935#(<= ULTIMATE.start_main_~x~4 100), 103934#(<= ULTIMATE.start_main_~x~4 98)] [2018-07-23 13:43:22,851 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 13:43:22,852 INFO L450 AbstractCegarLoop]: Interpolant automaton has 202 states [2018-07-23 13:43:22,855 INFO L132 InterpolantAutomaton]: Constructing interpolant automaton starting with 202 interpolants. [2018-07-23 13:43:22,858 INFO L133 InterpolantAutomaton]: CoverageRelationStatistics Valid=20301, Invalid=20301, Unknown=0, NotChecked=0, Total=40602 [2018-07-23 13:43:22,858 INFO L87 Difference]: Start difference. First operand 203 states and 203 transitions. Second operand 202 states. [2018-07-23 13:43:23,703 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2018-07-23 13:43:23,703 INFO L93 Difference]: Finished difference Result 206 states and 206 transitions. [2018-07-23 13:43:23,703 INFO L142 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 202 states. [2018-07-23 13:43:23,703 INFO L78 Accepts]: Start accepts. Automaton has 202 states. Word has length 202 [2018-07-23 13:43:23,703 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2018-07-23 13:43:23,704 INFO L225 Difference]: With dead ends: 206 [2018-07-23 13:43:23,704 INFO L226 Difference]: Without dead ends: 204 [2018-07-23 13:43:23,706 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 13:43:23,707 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 204 states. [2018-07-23 13:43:23,708 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 204 to 204. [2018-07-23 13:43:23,709 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 204 states. [2018-07-23 13:43:23,709 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 204 states to 204 states and 204 transitions. [2018-07-23 13:43:23,709 INFO L78 Accepts]: Start accepts. Automaton has 204 states and 204 transitions. Word has length 202 [2018-07-23 13:43:23,709 INFO L84 Accepts]: Finished accepts. word is rejected. [2018-07-23 13:43:23,709 INFO L471 AbstractCegarLoop]: Abstraction has 204 states and 204 transitions. [2018-07-23 13:43:23,709 INFO L472 AbstractCegarLoop]: Interpolant automaton has 202 states. [2018-07-23 13:43:23,709 INFO L276 IsEmpty]: Start isEmpty. Operand 204 states and 204 transitions. [2018-07-23 13:43:23,710 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 204 [2018-07-23 13:43:23,710 INFO L349 BasicCegarLoop]: Found error trace [2018-07-23 13:43:23,710 INFO L357 BasicCegarLoop]: trace histogram [200, 1, 1, 1] [2018-07-23 13:43:23,710 INFO L414 AbstractCegarLoop]: === Iteration 201 === [ULTIMATE.startErr0AssertViolationASSERT]=== [2018-07-23 13:43:23,710 INFO L82 PathProgramCache]: Analyzing trace with hash 1965190337, now seen corresponding path program 200 times [2018-07-23 13:43:23,711 INFO L69 tionRefinementEngine]: Using refinement strategy FixedRefinementStrategy [2018-07-23 13:43:23,727 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-07-23 13:43:24,623 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 13:43:24,624 INFO L309 seRefinementStrategy]: Constructing automaton from 0 perfect and 1 imperfect interpolant sequences. [2018-07-23 13:43:24,624 INFO L324 seRefinementStrategy]: Number of different interpolants: perfect sequences [] imperfect sequences [202] total 202 [2018-07-23 13:43:24,624 INFO L142 lantAutomatonBuilder]: Constructing canonical interpolant automaton, with selfloop in false state [2018-07-23 13:43:24,624 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 13:43:24,625 INFO L185 omatonBuilderFactory]: Interpolants [104961#(<= ULTIMATE.start_main_~x~4 108), 104960#(<= ULTIMATE.start_main_~x~4 106), 104963#(<= ULTIMATE.start_main_~x~4 112), 104962#(<= ULTIMATE.start_main_~x~4 110), 104965#(<= ULTIMATE.start_main_~x~4 116), 104964#(<= ULTIMATE.start_main_~x~4 114), 104967#(<= ULTIMATE.start_main_~x~4 120), 104966#(<= ULTIMATE.start_main_~x~4 118), 104969#(<= ULTIMATE.start_main_~x~4 124), 104968#(<= ULTIMATE.start_main_~x~4 122), 104971#(<= ULTIMATE.start_main_~x~4 128), 104970#(<= ULTIMATE.start_main_~x~4 126), 104973#(<= ULTIMATE.start_main_~x~4 132), 104972#(<= ULTIMATE.start_main_~x~4 130), 104975#(<= ULTIMATE.start_main_~x~4 136), 104974#(<= ULTIMATE.start_main_~x~4 134), 104977#(<= ULTIMATE.start_main_~x~4 140), 104976#(<= ULTIMATE.start_main_~x~4 138), 104979#(<= ULTIMATE.start_main_~x~4 144), 104978#(<= ULTIMATE.start_main_~x~4 142), 104981#(<= ULTIMATE.start_main_~x~4 148), 104980#(<= ULTIMATE.start_main_~x~4 146), 104983#(<= ULTIMATE.start_main_~x~4 152), 104982#(<= ULTIMATE.start_main_~x~4 150), 104985#(<= ULTIMATE.start_main_~x~4 156), 104984#(<= ULTIMATE.start_main_~x~4 154), 104987#(<= ULTIMATE.start_main_~x~4 160), 104986#(<= ULTIMATE.start_main_~x~4 158), 104989#(<= ULTIMATE.start_main_~x~4 164), 104988#(<= ULTIMATE.start_main_~x~4 162), 104991#(<= ULTIMATE.start_main_~x~4 168), 104990#(<= ULTIMATE.start_main_~x~4 166), 104993#(<= ULTIMATE.start_main_~x~4 172), 104992#(<= ULTIMATE.start_main_~x~4 170), 104995#(<= ULTIMATE.start_main_~x~4 176), 104994#(<= ULTIMATE.start_main_~x~4 174), 104997#(<= ULTIMATE.start_main_~x~4 180), 104996#(<= ULTIMATE.start_main_~x~4 178), 104999#(<= ULTIMATE.start_main_~x~4 184), 104998#(<= ULTIMATE.start_main_~x~4 182), 105001#(<= ULTIMATE.start_main_~x~4 188), 105000#(<= ULTIMATE.start_main_~x~4 186), 105003#(<= ULTIMATE.start_main_~x~4 192), 105002#(<= ULTIMATE.start_main_~x~4 190), 105005#(<= ULTIMATE.start_main_~x~4 196), 105004#(<= ULTIMATE.start_main_~x~4 194), 105007#(<= ULTIMATE.start_main_~x~4 200), 105006#(<= ULTIMATE.start_main_~x~4 198), 105009#(<= ULTIMATE.start_main_~x~4 204), 105008#(<= ULTIMATE.start_main_~x~4 202), 105011#(<= ULTIMATE.start_main_~x~4 208), 105010#(<= ULTIMATE.start_main_~x~4 206), 105013#(<= ULTIMATE.start_main_~x~4 212), 105012#(<= ULTIMATE.start_main_~x~4 210), 105015#(<= ULTIMATE.start_main_~x~4 216), 105014#(<= ULTIMATE.start_main_~x~4 214), 105017#(<= ULTIMATE.start_main_~x~4 220), 105016#(<= ULTIMATE.start_main_~x~4 218), 105019#(<= ULTIMATE.start_main_~x~4 224), 105018#(<= ULTIMATE.start_main_~x~4 222), 105021#(<= ULTIMATE.start_main_~x~4 228), 105020#(<= ULTIMATE.start_main_~x~4 226), 105023#(<= ULTIMATE.start_main_~x~4 232), 105022#(<= ULTIMATE.start_main_~x~4 230), 105025#(<= ULTIMATE.start_main_~x~4 236), 105024#(<= ULTIMATE.start_main_~x~4 234), 105027#(<= ULTIMATE.start_main_~x~4 240), 105026#(<= ULTIMATE.start_main_~x~4 238), 105029#(<= ULTIMATE.start_main_~x~4 244), 105028#(<= ULTIMATE.start_main_~x~4 242), 105031#(<= ULTIMATE.start_main_~x~4 248), 105030#(<= ULTIMATE.start_main_~x~4 246), 105033#(<= ULTIMATE.start_main_~x~4 252), 105032#(<= ULTIMATE.start_main_~x~4 250), 105035#(<= ULTIMATE.start_main_~x~4 256), 105034#(<= ULTIMATE.start_main_~x~4 254), 105037#(<= ULTIMATE.start_main_~x~4 260), 105036#(<= ULTIMATE.start_main_~x~4 258), 105039#(<= ULTIMATE.start_main_~x~4 264), 105038#(<= ULTIMATE.start_main_~x~4 262), 105041#(<= ULTIMATE.start_main_~x~4 268), 105040#(<= ULTIMATE.start_main_~x~4 266), 105043#(<= ULTIMATE.start_main_~x~4 272), 105042#(<= ULTIMATE.start_main_~x~4 270), 105045#(<= ULTIMATE.start_main_~x~4 276), 105044#(<= ULTIMATE.start_main_~x~4 274), 105047#(<= ULTIMATE.start_main_~x~4 280), 105046#(<= ULTIMATE.start_main_~x~4 278), 105049#(<= ULTIMATE.start_main_~x~4 284), 105048#(<= ULTIMATE.start_main_~x~4 282), 105051#(<= ULTIMATE.start_main_~x~4 288), 105050#(<= ULTIMATE.start_main_~x~4 286), 105053#(<= ULTIMATE.start_main_~x~4 292), 105052#(<= ULTIMATE.start_main_~x~4 290), 105055#(<= ULTIMATE.start_main_~x~4 296), 105054#(<= ULTIMATE.start_main_~x~4 294), 105057#(<= ULTIMATE.start_main_~x~4 300), 105056#(<= ULTIMATE.start_main_~x~4 298), 105059#(<= ULTIMATE.start_main_~x~4 304), 105058#(<= ULTIMATE.start_main_~x~4 302), 105061#(<= ULTIMATE.start_main_~x~4 308), 105060#(<= ULTIMATE.start_main_~x~4 306), 105063#(<= ULTIMATE.start_main_~x~4 312), 105062#(<= ULTIMATE.start_main_~x~4 310), 105065#(<= ULTIMATE.start_main_~x~4 316), 105064#(<= ULTIMATE.start_main_~x~4 314), 105067#(<= ULTIMATE.start_main_~x~4 320), 105066#(<= ULTIMATE.start_main_~x~4 318), 105069#(<= ULTIMATE.start_main_~x~4 324), 105068#(<= ULTIMATE.start_main_~x~4 322), 105071#(<= ULTIMATE.start_main_~x~4 328), 105070#(<= ULTIMATE.start_main_~x~4 326), 105073#(<= ULTIMATE.start_main_~x~4 332), 105072#(<= ULTIMATE.start_main_~x~4 330), 105075#(<= ULTIMATE.start_main_~x~4 336), 105074#(<= ULTIMATE.start_main_~x~4 334), 105077#(<= ULTIMATE.start_main_~x~4 340), 105076#(<= ULTIMATE.start_main_~x~4 338), 105079#(<= ULTIMATE.start_main_~x~4 344), 105078#(<= ULTIMATE.start_main_~x~4 342), 105081#(<= ULTIMATE.start_main_~x~4 348), 105080#(<= ULTIMATE.start_main_~x~4 346), 105083#(<= ULTIMATE.start_main_~x~4 352), 105082#(<= ULTIMATE.start_main_~x~4 350), 105085#(<= ULTIMATE.start_main_~x~4 356), 105084#(<= ULTIMATE.start_main_~x~4 354), 105087#(<= ULTIMATE.start_main_~x~4 360), 105086#(<= ULTIMATE.start_main_~x~4 358), 105089#(<= ULTIMATE.start_main_~x~4 364), 105088#(<= ULTIMATE.start_main_~x~4 362), 105091#(<= ULTIMATE.start_main_~x~4 368), 105090#(<= ULTIMATE.start_main_~x~4 366), 105093#(<= ULTIMATE.start_main_~x~4 372), 105092#(<= ULTIMATE.start_main_~x~4 370), 105095#(<= ULTIMATE.start_main_~x~4 376), 105094#(<= ULTIMATE.start_main_~x~4 374), 105097#(<= ULTIMATE.start_main_~x~4 380), 105096#(<= ULTIMATE.start_main_~x~4 378), 105099#(<= ULTIMATE.start_main_~x~4 384), 105098#(<= ULTIMATE.start_main_~x~4 382), 105101#(<= ULTIMATE.start_main_~x~4 388), 105100#(<= ULTIMATE.start_main_~x~4 386), 105103#(<= ULTIMATE.start_main_~x~4 392), 105102#(<= ULTIMATE.start_main_~x~4 390), 105105#(<= ULTIMATE.start_main_~x~4 396), 105104#(<= ULTIMATE.start_main_~x~4 394), 105107#(<= ULTIMATE.start_main_~x~4 400), 105106#(<= ULTIMATE.start_main_~x~4 398), 105109#(<= ULTIMATE.start_main_~x~4 404), 105108#(<= ULTIMATE.start_main_~x~4 402), 105111#(<= ULTIMATE.start_main_~x~4 408), 105110#(<= ULTIMATE.start_main_~x~4 406), 105112#(<= ULTIMATE.start_main_~x~4 410), 104911#false, 104910#true, 104913#(<= ULTIMATE.start_main_~x~4 12), 104912#(<= ULTIMATE.start_main_~x~4 10), 104915#(<= ULTIMATE.start_main_~x~4 16), 104914#(<= ULTIMATE.start_main_~x~4 14), 104917#(<= ULTIMATE.start_main_~x~4 20), 104916#(<= ULTIMATE.start_main_~x~4 18), 104919#(<= ULTIMATE.start_main_~x~4 24), 104918#(<= ULTIMATE.start_main_~x~4 22), 104921#(<= ULTIMATE.start_main_~x~4 28), 104920#(<= ULTIMATE.start_main_~x~4 26), 104923#(<= ULTIMATE.start_main_~x~4 32), 104922#(<= ULTIMATE.start_main_~x~4 30), 104925#(<= ULTIMATE.start_main_~x~4 36), 104924#(<= ULTIMATE.start_main_~x~4 34), 104927#(<= ULTIMATE.start_main_~x~4 40), 104926#(<= ULTIMATE.start_main_~x~4 38), 104929#(<= ULTIMATE.start_main_~x~4 44), 104928#(<= ULTIMATE.start_main_~x~4 42), 104931#(<= ULTIMATE.start_main_~x~4 48), 104930#(<= ULTIMATE.start_main_~x~4 46), 104933#(<= ULTIMATE.start_main_~x~4 52), 104932#(<= ULTIMATE.start_main_~x~4 50), 104935#(<= ULTIMATE.start_main_~x~4 56), 104934#(<= ULTIMATE.start_main_~x~4 54), 104937#(<= ULTIMATE.start_main_~x~4 60), 104936#(<= ULTIMATE.start_main_~x~4 58), 104939#(<= ULTIMATE.start_main_~x~4 64), 104938#(<= ULTIMATE.start_main_~x~4 62), 104941#(<= ULTIMATE.start_main_~x~4 68), 104940#(<= ULTIMATE.start_main_~x~4 66), 104943#(<= ULTIMATE.start_main_~x~4 72), 104942#(<= ULTIMATE.start_main_~x~4 70), 104945#(<= ULTIMATE.start_main_~x~4 76), 104944#(<= ULTIMATE.start_main_~x~4 74), 104947#(<= ULTIMATE.start_main_~x~4 80), 104946#(<= ULTIMATE.start_main_~x~4 78), 104949#(<= ULTIMATE.start_main_~x~4 84), 104948#(<= ULTIMATE.start_main_~x~4 82), 104951#(<= ULTIMATE.start_main_~x~4 88), 104950#(<= ULTIMATE.start_main_~x~4 86), 104953#(<= ULTIMATE.start_main_~x~4 92), 104952#(<= ULTIMATE.start_main_~x~4 90), 104955#(<= ULTIMATE.start_main_~x~4 96), 104954#(<= ULTIMATE.start_main_~x~4 94), 104957#(<= ULTIMATE.start_main_~x~4 100), 104956#(<= ULTIMATE.start_main_~x~4 98), 104959#(<= ULTIMATE.start_main_~x~4 104), 104958#(<= ULTIMATE.start_main_~x~4 102)] [2018-07-23 13:43:24,626 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 13:43:24,626 INFO L450 AbstractCegarLoop]: Interpolant automaton has 203 states [2018-07-23 13:43:24,630 INFO L132 InterpolantAutomaton]: Constructing interpolant automaton starting with 203 interpolants. [2018-07-23 13:43:24,634 INFO L133 InterpolantAutomaton]: CoverageRelationStatistics Valid=20503, Invalid=20503, Unknown=0, NotChecked=0, Total=41006 [2018-07-23 13:43:24,634 INFO L87 Difference]: Start difference. First operand 204 states and 204 transitions. Second operand 203 states. [2018-07-23 13:43:25,399 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2018-07-23 13:43:25,399 INFO L93 Difference]: Finished difference Result 207 states and 207 transitions. [2018-07-23 13:43:25,399 INFO L142 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 203 states. [2018-07-23 13:43:25,399 INFO L78 Accepts]: Start accepts. Automaton has 203 states. Word has length 203 [2018-07-23 13:43:25,400 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2018-07-23 13:43:25,400 INFO L225 Difference]: With dead ends: 207 [2018-07-23 13:43:25,400 INFO L226 Difference]: Without dead ends: 205 [2018-07-23 13:43:25,403 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 13:43:25,403 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 205 states. [2018-07-23 13:43:25,405 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 205 to 205. [2018-07-23 13:43:25,405 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 205 states. [2018-07-23 13:43:25,405 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 205 states to 205 states and 205 transitions. [2018-07-23 13:43:25,405 INFO L78 Accepts]: Start accepts. Automaton has 205 states and 205 transitions. Word has length 203 [2018-07-23 13:43:25,405 INFO L84 Accepts]: Finished accepts. word is rejected. [2018-07-23 13:43:25,405 INFO L471 AbstractCegarLoop]: Abstraction has 205 states and 205 transitions. [2018-07-23 13:43:25,405 INFO L472 AbstractCegarLoop]: Interpolant automaton has 203 states. [2018-07-23 13:43:25,405 INFO L276 IsEmpty]: Start isEmpty. Operand 205 states and 205 transitions. [2018-07-23 13:43:25,406 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 205 [2018-07-23 13:43:25,406 INFO L349 BasicCegarLoop]: Found error trace [2018-07-23 13:43:25,406 INFO L357 BasicCegarLoop]: trace histogram [201, 1, 1, 1] [2018-07-23 13:43:25,406 INFO L414 AbstractCegarLoop]: === Iteration 202 === [ULTIMATE.startErr0AssertViolationASSERT]=== [2018-07-23 13:43:25,406 INFO L82 PathProgramCache]: Analyzing trace with hash 791356328, now seen corresponding path program 201 times [2018-07-23 13:43:25,406 INFO L69 tionRefinementEngine]: Using refinement strategy FixedRefinementStrategy [2018-07-23 13:43:25,423 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-07-23 13:43:26,267 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 13:43:26,267 INFO L309 seRefinementStrategy]: Constructing automaton from 0 perfect and 1 imperfect interpolant sequences. [2018-07-23 13:43:26,267 INFO L324 seRefinementStrategy]: Number of different interpolants: perfect sequences [] imperfect sequences [203] total 203 [2018-07-23 13:43:26,267 INFO L142 lantAutomatonBuilder]: Constructing canonical interpolant automaton, with selfloop in false state [2018-07-23 13:43:26,267 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2018-07-23 13:43:26,268 INFO L185 omatonBuilderFactory]: Interpolants [105985#(<= ULTIMATE.start_main_~x~4 102), 105984#(<= ULTIMATE.start_main_~x~4 100), 105987#(<= ULTIMATE.start_main_~x~4 106), 105986#(<= ULTIMATE.start_main_~x~4 104), 105989#(<= ULTIMATE.start_main_~x~4 110), 105988#(<= ULTIMATE.start_main_~x~4 108), 105991#(<= ULTIMATE.start_main_~x~4 114), 105990#(<= ULTIMATE.start_main_~x~4 112), 105993#(<= ULTIMATE.start_main_~x~4 118), 105992#(<= ULTIMATE.start_main_~x~4 116), 105995#(<= ULTIMATE.start_main_~x~4 122), 105994#(<= ULTIMATE.start_main_~x~4 120), 105997#(<= ULTIMATE.start_main_~x~4 126), 105996#(<= ULTIMATE.start_main_~x~4 124), 105999#(<= ULTIMATE.start_main_~x~4 130), 105998#(<= ULTIMATE.start_main_~x~4 128), 106001#(<= ULTIMATE.start_main_~x~4 134), 106000#(<= ULTIMATE.start_main_~x~4 132), 106003#(<= ULTIMATE.start_main_~x~4 138), 106002#(<= ULTIMATE.start_main_~x~4 136), 106005#(<= ULTIMATE.start_main_~x~4 142), 106004#(<= ULTIMATE.start_main_~x~4 140), 106007#(<= ULTIMATE.start_main_~x~4 146), 106006#(<= ULTIMATE.start_main_~x~4 144), 106009#(<= ULTIMATE.start_main_~x~4 150), 106008#(<= ULTIMATE.start_main_~x~4 148), 106011#(<= ULTIMATE.start_main_~x~4 154), 106010#(<= ULTIMATE.start_main_~x~4 152), 106013#(<= ULTIMATE.start_main_~x~4 158), 106012#(<= ULTIMATE.start_main_~x~4 156), 106015#(<= ULTIMATE.start_main_~x~4 162), 106014#(<= ULTIMATE.start_main_~x~4 160), 106017#(<= ULTIMATE.start_main_~x~4 166), 106016#(<= ULTIMATE.start_main_~x~4 164), 106019#(<= ULTIMATE.start_main_~x~4 170), 106018#(<= ULTIMATE.start_main_~x~4 168), 106021#(<= ULTIMATE.start_main_~x~4 174), 106020#(<= ULTIMATE.start_main_~x~4 172), 106023#(<= ULTIMATE.start_main_~x~4 178), 106022#(<= ULTIMATE.start_main_~x~4 176), 106025#(<= ULTIMATE.start_main_~x~4 182), 106024#(<= ULTIMATE.start_main_~x~4 180), 106027#(<= ULTIMATE.start_main_~x~4 186), 106026#(<= ULTIMATE.start_main_~x~4 184), 106029#(<= ULTIMATE.start_main_~x~4 190), 106028#(<= ULTIMATE.start_main_~x~4 188), 106031#(<= ULTIMATE.start_main_~x~4 194), 106030#(<= ULTIMATE.start_main_~x~4 192), 106033#(<= ULTIMATE.start_main_~x~4 198), 106032#(<= ULTIMATE.start_main_~x~4 196), 106035#(<= ULTIMATE.start_main_~x~4 202), 106034#(<= ULTIMATE.start_main_~x~4 200), 106037#(<= ULTIMATE.start_main_~x~4 206), 106036#(<= ULTIMATE.start_main_~x~4 204), 106039#(<= ULTIMATE.start_main_~x~4 210), 106038#(<= ULTIMATE.start_main_~x~4 208), 106041#(<= ULTIMATE.start_main_~x~4 214), 106040#(<= ULTIMATE.start_main_~x~4 212), 106043#(<= ULTIMATE.start_main_~x~4 218), 106042#(<= ULTIMATE.start_main_~x~4 216), 106045#(<= ULTIMATE.start_main_~x~4 222), 106044#(<= ULTIMATE.start_main_~x~4 220), 106047#(<= ULTIMATE.start_main_~x~4 226), 106046#(<= ULTIMATE.start_main_~x~4 224), 106049#(<= ULTIMATE.start_main_~x~4 230), 106048#(<= ULTIMATE.start_main_~x~4 228), 106051#(<= ULTIMATE.start_main_~x~4 234), 106050#(<= ULTIMATE.start_main_~x~4 232), 106053#(<= ULTIMATE.start_main_~x~4 238), 106052#(<= ULTIMATE.start_main_~x~4 236), 106055#(<= ULTIMATE.start_main_~x~4 242), 106054#(<= ULTIMATE.start_main_~x~4 240), 106057#(<= ULTIMATE.start_main_~x~4 246), 106056#(<= ULTIMATE.start_main_~x~4 244), 106059#(<= ULTIMATE.start_main_~x~4 250), 106058#(<= ULTIMATE.start_main_~x~4 248), 106061#(<= ULTIMATE.start_main_~x~4 254), 106060#(<= ULTIMATE.start_main_~x~4 252), 106063#(<= ULTIMATE.start_main_~x~4 258), 106062#(<= ULTIMATE.start_main_~x~4 256), 106065#(<= ULTIMATE.start_main_~x~4 262), 106064#(<= ULTIMATE.start_main_~x~4 260), 106067#(<= ULTIMATE.start_main_~x~4 266), 106066#(<= ULTIMATE.start_main_~x~4 264), 106069#(<= ULTIMATE.start_main_~x~4 270), 106068#(<= ULTIMATE.start_main_~x~4 268), 106071#(<= ULTIMATE.start_main_~x~4 274), 106070#(<= ULTIMATE.start_main_~x~4 272), 106073#(<= ULTIMATE.start_main_~x~4 278), 106072#(<= ULTIMATE.start_main_~x~4 276), 106075#(<= ULTIMATE.start_main_~x~4 282), 106074#(<= ULTIMATE.start_main_~x~4 280), 106077#(<= ULTIMATE.start_main_~x~4 286), 106076#(<= ULTIMATE.start_main_~x~4 284), 106079#(<= ULTIMATE.start_main_~x~4 290), 106078#(<= ULTIMATE.start_main_~x~4 288), 106081#(<= ULTIMATE.start_main_~x~4 294), 106080#(<= ULTIMATE.start_main_~x~4 292), 106083#(<= ULTIMATE.start_main_~x~4 298), 106082#(<= ULTIMATE.start_main_~x~4 296), 106085#(<= ULTIMATE.start_main_~x~4 302), 106084#(<= ULTIMATE.start_main_~x~4 300), 106087#(<= ULTIMATE.start_main_~x~4 306), 106086#(<= ULTIMATE.start_main_~x~4 304), 106089#(<= ULTIMATE.start_main_~x~4 310), 106088#(<= ULTIMATE.start_main_~x~4 308), 106091#(<= ULTIMATE.start_main_~x~4 314), 106090#(<= ULTIMATE.start_main_~x~4 312), 106093#(<= ULTIMATE.start_main_~x~4 318), 106092#(<= ULTIMATE.start_main_~x~4 316), 106095#(<= ULTIMATE.start_main_~x~4 322), 106094#(<= ULTIMATE.start_main_~x~4 320), 106097#(<= ULTIMATE.start_main_~x~4 326), 106096#(<= ULTIMATE.start_main_~x~4 324), 106099#(<= ULTIMATE.start_main_~x~4 330), 106098#(<= ULTIMATE.start_main_~x~4 328), 106101#(<= ULTIMATE.start_main_~x~4 334), 106100#(<= ULTIMATE.start_main_~x~4 332), 106103#(<= ULTIMATE.start_main_~x~4 338), 106102#(<= ULTIMATE.start_main_~x~4 336), 106105#(<= ULTIMATE.start_main_~x~4 342), 106104#(<= ULTIMATE.start_main_~x~4 340), 106107#(<= ULTIMATE.start_main_~x~4 346), 106106#(<= ULTIMATE.start_main_~x~4 344), 106109#(<= ULTIMATE.start_main_~x~4 350), 106108#(<= ULTIMATE.start_main_~x~4 348), 106111#(<= ULTIMATE.start_main_~x~4 354), 106110#(<= ULTIMATE.start_main_~x~4 352), 106113#(<= ULTIMATE.start_main_~x~4 358), 106112#(<= ULTIMATE.start_main_~x~4 356), 106115#(<= ULTIMATE.start_main_~x~4 362), 106114#(<= ULTIMATE.start_main_~x~4 360), 106117#(<= ULTIMATE.start_main_~x~4 366), 106116#(<= ULTIMATE.start_main_~x~4 364), 106119#(<= ULTIMATE.start_main_~x~4 370), 106118#(<= ULTIMATE.start_main_~x~4 368), 106121#(<= ULTIMATE.start_main_~x~4 374), 106120#(<= ULTIMATE.start_main_~x~4 372), 106123#(<= ULTIMATE.start_main_~x~4 378), 106122#(<= ULTIMATE.start_main_~x~4 376), 106125#(<= ULTIMATE.start_main_~x~4 382), 106124#(<= ULTIMATE.start_main_~x~4 380), 106127#(<= ULTIMATE.start_main_~x~4 386), 106126#(<= ULTIMATE.start_main_~x~4 384), 106129#(<= ULTIMATE.start_main_~x~4 390), 106128#(<= ULTIMATE.start_main_~x~4 388), 106131#(<= ULTIMATE.start_main_~x~4 394), 106130#(<= ULTIMATE.start_main_~x~4 392), 106133#(<= ULTIMATE.start_main_~x~4 398), 106132#(<= ULTIMATE.start_main_~x~4 396), 106135#(<= ULTIMATE.start_main_~x~4 402), 106134#(<= ULTIMATE.start_main_~x~4 400), 106137#(<= ULTIMATE.start_main_~x~4 406), 106136#(<= ULTIMATE.start_main_~x~4 404), 106139#(<= ULTIMATE.start_main_~x~4 410), 106138#(<= ULTIMATE.start_main_~x~4 408), 106140#(<= ULTIMATE.start_main_~x~4 412), 105937#true, 105939#(<= ULTIMATE.start_main_~x~4 10), 105938#false, 105941#(<= ULTIMATE.start_main_~x~4 14), 105940#(<= ULTIMATE.start_main_~x~4 12), 105943#(<= ULTIMATE.start_main_~x~4 18), 105942#(<= ULTIMATE.start_main_~x~4 16), 105945#(<= ULTIMATE.start_main_~x~4 22), 105944#(<= ULTIMATE.start_main_~x~4 20), 105947#(<= ULTIMATE.start_main_~x~4 26), 105946#(<= ULTIMATE.start_main_~x~4 24), 105949#(<= ULTIMATE.start_main_~x~4 30), 105948#(<= ULTIMATE.start_main_~x~4 28), 105951#(<= ULTIMATE.start_main_~x~4 34), 105950#(<= ULTIMATE.start_main_~x~4 32), 105953#(<= ULTIMATE.start_main_~x~4 38), 105952#(<= ULTIMATE.start_main_~x~4 36), 105955#(<= ULTIMATE.start_main_~x~4 42), 105954#(<= ULTIMATE.start_main_~x~4 40), 105957#(<= ULTIMATE.start_main_~x~4 46), 105956#(<= ULTIMATE.start_main_~x~4 44), 105959#(<= ULTIMATE.start_main_~x~4 50), 105958#(<= ULTIMATE.start_main_~x~4 48), 105961#(<= ULTIMATE.start_main_~x~4 54), 105960#(<= ULTIMATE.start_main_~x~4 52), 105963#(<= ULTIMATE.start_main_~x~4 58), 105962#(<= ULTIMATE.start_main_~x~4 56), 105965#(<= ULTIMATE.start_main_~x~4 62), 105964#(<= ULTIMATE.start_main_~x~4 60), 105967#(<= ULTIMATE.start_main_~x~4 66), 105966#(<= ULTIMATE.start_main_~x~4 64), 105969#(<= ULTIMATE.start_main_~x~4 70), 105968#(<= ULTIMATE.start_main_~x~4 68), 105971#(<= ULTIMATE.start_main_~x~4 74), 105970#(<= ULTIMATE.start_main_~x~4 72), 105973#(<= ULTIMATE.start_main_~x~4 78), 105972#(<= ULTIMATE.start_main_~x~4 76), 105975#(<= ULTIMATE.start_main_~x~4 82), 105974#(<= ULTIMATE.start_main_~x~4 80), 105977#(<= ULTIMATE.start_main_~x~4 86), 105976#(<= ULTIMATE.start_main_~x~4 84), 105979#(<= ULTIMATE.start_main_~x~4 90), 105978#(<= ULTIMATE.start_main_~x~4 88), 105981#(<= ULTIMATE.start_main_~x~4 94), 105980#(<= ULTIMATE.start_main_~x~4 92), 105983#(<= ULTIMATE.start_main_~x~4 98), 105982#(<= ULTIMATE.start_main_~x~4 96)] [2018-07-23 13:43:26,269 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 13:43:26,269 INFO L450 AbstractCegarLoop]: Interpolant automaton has 204 states [2018-07-23 13:43:26,272 INFO L132 InterpolantAutomaton]: Constructing interpolant automaton starting with 204 interpolants. [2018-07-23 13:43:26,275 INFO L133 InterpolantAutomaton]: CoverageRelationStatistics Valid=20706, Invalid=20706, Unknown=0, NotChecked=0, Total=41412 [2018-07-23 13:43:26,275 INFO L87 Difference]: Start difference. First operand 205 states and 205 transitions. Second operand 204 states. [2018-07-23 13:43:27,008 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2018-07-23 13:43:27,008 INFO L93 Difference]: Finished difference Result 208 states and 208 transitions. [2018-07-23 13:43:27,008 INFO L142 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 204 states. [2018-07-23 13:43:27,008 INFO L78 Accepts]: Start accepts. Automaton has 204 states. Word has length 204 [2018-07-23 13:43:27,008 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2018-07-23 13:43:27,009 INFO L225 Difference]: With dead ends: 208 [2018-07-23 13:43:27,009 INFO L226 Difference]: Without dead ends: 206 [2018-07-23 13:43:27,011 INFO L575 BasicCegarLoop]: 0 DeclaredPredicates, 203 GetRequests, 1 SyntacticMatches, 0 SemanticMatches, 202 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 0 ImplicationChecksByTransitivity, 0.7s TimeCoverageRelationStatistics Valid=20706, Invalid=20706, Unknown=0, NotChecked=0, Total=41412 [2018-07-23 13:43:27,011 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 206 states. [2018-07-23 13:43:27,013 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 206 to 206. [2018-07-23 13:43:27,013 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 206 states. [2018-07-23 13:43:27,013 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 206 states to 206 states and 206 transitions. [2018-07-23 13:43:27,013 INFO L78 Accepts]: Start accepts. Automaton has 206 states and 206 transitions. Word has length 204 [2018-07-23 13:43:27,014 INFO L84 Accepts]: Finished accepts. word is rejected. [2018-07-23 13:43:27,014 INFO L471 AbstractCegarLoop]: Abstraction has 206 states and 206 transitions. [2018-07-23 13:43:27,014 INFO L472 AbstractCegarLoop]: Interpolant automaton has 204 states. [2018-07-23 13:43:27,014 INFO L276 IsEmpty]: Start isEmpty. Operand 206 states and 206 transitions. [2018-07-23 13:43:27,014 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 206 [2018-07-23 13:43:27,014 INFO L349 BasicCegarLoop]: Found error trace [2018-07-23 13:43:27,014 INFO L357 BasicCegarLoop]: trace histogram [202, 1, 1, 1] [2018-07-23 13:43:27,014 INFO L414 AbstractCegarLoop]: === Iteration 203 === [ULTIMATE.startErr0AssertViolationASSERT]=== [2018-07-23 13:43:27,015 INFO L82 PathProgramCache]: Analyzing trace with hash -1237759583, now seen corresponding path program 202 times [2018-07-23 13:43:27,015 INFO L69 tionRefinementEngine]: Using refinement strategy FixedRefinementStrategy [2018-07-23 13:43:27,030 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-07-23 13:43:27,885 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 13:43:27,886 INFO L309 seRefinementStrategy]: Constructing automaton from 0 perfect and 1 imperfect interpolant sequences. [2018-07-23 13:43:27,886 INFO L324 seRefinementStrategy]: Number of different interpolants: perfect sequences [] imperfect sequences [204] total 204 [2018-07-23 13:43:27,886 INFO L142 lantAutomatonBuilder]: Constructing canonical interpolant automaton, with selfloop in false state [2018-07-23 13:43:27,886 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 13:43:27,887 INFO L185 omatonBuilderFactory]: Interpolants [107009#(<= ULTIMATE.start_main_~x~4 86), 107008#(<= ULTIMATE.start_main_~x~4 84), 107011#(<= ULTIMATE.start_main_~x~4 90), 107010#(<= ULTIMATE.start_main_~x~4 88), 107013#(<= ULTIMATE.start_main_~x~4 94), 107012#(<= ULTIMATE.start_main_~x~4 92), 107015#(<= ULTIMATE.start_main_~x~4 98), 107014#(<= ULTIMATE.start_main_~x~4 96), 107017#(<= ULTIMATE.start_main_~x~4 102), 107016#(<= ULTIMATE.start_main_~x~4 100), 107019#(<= ULTIMATE.start_main_~x~4 106), 107018#(<= ULTIMATE.start_main_~x~4 104), 107021#(<= ULTIMATE.start_main_~x~4 110), 107020#(<= ULTIMATE.start_main_~x~4 108), 107023#(<= ULTIMATE.start_main_~x~4 114), 107022#(<= ULTIMATE.start_main_~x~4 112), 107025#(<= ULTIMATE.start_main_~x~4 118), 107024#(<= ULTIMATE.start_main_~x~4 116), 107027#(<= ULTIMATE.start_main_~x~4 122), 107026#(<= ULTIMATE.start_main_~x~4 120), 107029#(<= ULTIMATE.start_main_~x~4 126), 107028#(<= ULTIMATE.start_main_~x~4 124), 107031#(<= ULTIMATE.start_main_~x~4 130), 107030#(<= ULTIMATE.start_main_~x~4 128), 107033#(<= ULTIMATE.start_main_~x~4 134), 107032#(<= ULTIMATE.start_main_~x~4 132), 107035#(<= ULTIMATE.start_main_~x~4 138), 107034#(<= ULTIMATE.start_main_~x~4 136), 107037#(<= ULTIMATE.start_main_~x~4 142), 107036#(<= ULTIMATE.start_main_~x~4 140), 107039#(<= ULTIMATE.start_main_~x~4 146), 107038#(<= ULTIMATE.start_main_~x~4 144), 107041#(<= ULTIMATE.start_main_~x~4 150), 107040#(<= ULTIMATE.start_main_~x~4 148), 107043#(<= ULTIMATE.start_main_~x~4 154), 107042#(<= ULTIMATE.start_main_~x~4 152), 107045#(<= ULTIMATE.start_main_~x~4 158), 107044#(<= ULTIMATE.start_main_~x~4 156), 107047#(<= ULTIMATE.start_main_~x~4 162), 107046#(<= ULTIMATE.start_main_~x~4 160), 107049#(<= ULTIMATE.start_main_~x~4 166), 107048#(<= ULTIMATE.start_main_~x~4 164), 107051#(<= ULTIMATE.start_main_~x~4 170), 107050#(<= ULTIMATE.start_main_~x~4 168), 107053#(<= ULTIMATE.start_main_~x~4 174), 107052#(<= ULTIMATE.start_main_~x~4 172), 107055#(<= ULTIMATE.start_main_~x~4 178), 107054#(<= ULTIMATE.start_main_~x~4 176), 107057#(<= ULTIMATE.start_main_~x~4 182), 107056#(<= ULTIMATE.start_main_~x~4 180), 107059#(<= ULTIMATE.start_main_~x~4 186), 107058#(<= ULTIMATE.start_main_~x~4 184), 107061#(<= ULTIMATE.start_main_~x~4 190), 107060#(<= ULTIMATE.start_main_~x~4 188), 107063#(<= ULTIMATE.start_main_~x~4 194), 107062#(<= ULTIMATE.start_main_~x~4 192), 107065#(<= ULTIMATE.start_main_~x~4 198), 107064#(<= ULTIMATE.start_main_~x~4 196), 107067#(<= ULTIMATE.start_main_~x~4 202), 107066#(<= ULTIMATE.start_main_~x~4 200), 107069#(<= ULTIMATE.start_main_~x~4 206), 107068#(<= ULTIMATE.start_main_~x~4 204), 107071#(<= ULTIMATE.start_main_~x~4 210), 107070#(<= ULTIMATE.start_main_~x~4 208), 107073#(<= ULTIMATE.start_main_~x~4 214), 107072#(<= ULTIMATE.start_main_~x~4 212), 107075#(<= ULTIMATE.start_main_~x~4 218), 107074#(<= ULTIMATE.start_main_~x~4 216), 107077#(<= ULTIMATE.start_main_~x~4 222), 107076#(<= ULTIMATE.start_main_~x~4 220), 107079#(<= ULTIMATE.start_main_~x~4 226), 107078#(<= ULTIMATE.start_main_~x~4 224), 107081#(<= ULTIMATE.start_main_~x~4 230), 107080#(<= ULTIMATE.start_main_~x~4 228), 107083#(<= ULTIMATE.start_main_~x~4 234), 107082#(<= ULTIMATE.start_main_~x~4 232), 107085#(<= ULTIMATE.start_main_~x~4 238), 107084#(<= ULTIMATE.start_main_~x~4 236), 107087#(<= ULTIMATE.start_main_~x~4 242), 107086#(<= ULTIMATE.start_main_~x~4 240), 107089#(<= ULTIMATE.start_main_~x~4 246), 107088#(<= ULTIMATE.start_main_~x~4 244), 107091#(<= ULTIMATE.start_main_~x~4 250), 107090#(<= ULTIMATE.start_main_~x~4 248), 107093#(<= ULTIMATE.start_main_~x~4 254), 107092#(<= ULTIMATE.start_main_~x~4 252), 107095#(<= ULTIMATE.start_main_~x~4 258), 107094#(<= ULTIMATE.start_main_~x~4 256), 107097#(<= ULTIMATE.start_main_~x~4 262), 107096#(<= ULTIMATE.start_main_~x~4 260), 107099#(<= ULTIMATE.start_main_~x~4 266), 107098#(<= ULTIMATE.start_main_~x~4 264), 107101#(<= ULTIMATE.start_main_~x~4 270), 107100#(<= ULTIMATE.start_main_~x~4 268), 107103#(<= ULTIMATE.start_main_~x~4 274), 107102#(<= ULTIMATE.start_main_~x~4 272), 107105#(<= ULTIMATE.start_main_~x~4 278), 107104#(<= ULTIMATE.start_main_~x~4 276), 107107#(<= ULTIMATE.start_main_~x~4 282), 107106#(<= ULTIMATE.start_main_~x~4 280), 107109#(<= ULTIMATE.start_main_~x~4 286), 107108#(<= ULTIMATE.start_main_~x~4 284), 107111#(<= ULTIMATE.start_main_~x~4 290), 107110#(<= ULTIMATE.start_main_~x~4 288), 107113#(<= ULTIMATE.start_main_~x~4 294), 107112#(<= ULTIMATE.start_main_~x~4 292), 107115#(<= ULTIMATE.start_main_~x~4 298), 107114#(<= ULTIMATE.start_main_~x~4 296), 107117#(<= ULTIMATE.start_main_~x~4 302), 107116#(<= ULTIMATE.start_main_~x~4 300), 107119#(<= ULTIMATE.start_main_~x~4 306), 107118#(<= ULTIMATE.start_main_~x~4 304), 107121#(<= ULTIMATE.start_main_~x~4 310), 107120#(<= ULTIMATE.start_main_~x~4 308), 107123#(<= ULTIMATE.start_main_~x~4 314), 107122#(<= ULTIMATE.start_main_~x~4 312), 107125#(<= ULTIMATE.start_main_~x~4 318), 107124#(<= ULTIMATE.start_main_~x~4 316), 107127#(<= ULTIMATE.start_main_~x~4 322), 107126#(<= ULTIMATE.start_main_~x~4 320), 107129#(<= ULTIMATE.start_main_~x~4 326), 107128#(<= ULTIMATE.start_main_~x~4 324), 107131#(<= ULTIMATE.start_main_~x~4 330), 107130#(<= ULTIMATE.start_main_~x~4 328), 107133#(<= ULTIMATE.start_main_~x~4 334), 107132#(<= ULTIMATE.start_main_~x~4 332), 107135#(<= ULTIMATE.start_main_~x~4 338), 107134#(<= ULTIMATE.start_main_~x~4 336), 107137#(<= ULTIMATE.start_main_~x~4 342), 107136#(<= ULTIMATE.start_main_~x~4 340), 107139#(<= ULTIMATE.start_main_~x~4 346), 107138#(<= ULTIMATE.start_main_~x~4 344), 107141#(<= ULTIMATE.start_main_~x~4 350), 107140#(<= ULTIMATE.start_main_~x~4 348), 107143#(<= ULTIMATE.start_main_~x~4 354), 107142#(<= ULTIMATE.start_main_~x~4 352), 107145#(<= ULTIMATE.start_main_~x~4 358), 107144#(<= ULTIMATE.start_main_~x~4 356), 107147#(<= ULTIMATE.start_main_~x~4 362), 107146#(<= ULTIMATE.start_main_~x~4 360), 107149#(<= ULTIMATE.start_main_~x~4 366), 107148#(<= ULTIMATE.start_main_~x~4 364), 107151#(<= ULTIMATE.start_main_~x~4 370), 107150#(<= ULTIMATE.start_main_~x~4 368), 107153#(<= ULTIMATE.start_main_~x~4 374), 107152#(<= ULTIMATE.start_main_~x~4 372), 107155#(<= ULTIMATE.start_main_~x~4 378), 107154#(<= ULTIMATE.start_main_~x~4 376), 107157#(<= ULTIMATE.start_main_~x~4 382), 107156#(<= ULTIMATE.start_main_~x~4 380), 107159#(<= ULTIMATE.start_main_~x~4 386), 107158#(<= ULTIMATE.start_main_~x~4 384), 107161#(<= ULTIMATE.start_main_~x~4 390), 107160#(<= ULTIMATE.start_main_~x~4 388), 107163#(<= ULTIMATE.start_main_~x~4 394), 107162#(<= ULTIMATE.start_main_~x~4 392), 107165#(<= ULTIMATE.start_main_~x~4 398), 107164#(<= ULTIMATE.start_main_~x~4 396), 107167#(<= ULTIMATE.start_main_~x~4 402), 107166#(<= ULTIMATE.start_main_~x~4 400), 107169#(<= ULTIMATE.start_main_~x~4 406), 107168#(<= ULTIMATE.start_main_~x~4 404), 107171#(<= ULTIMATE.start_main_~x~4 410), 107170#(<= ULTIMATE.start_main_~x~4 408), 107173#(<= ULTIMATE.start_main_~x~4 414), 107172#(<= ULTIMATE.start_main_~x~4 412), 106969#true, 106971#(<= ULTIMATE.start_main_~x~4 10), 106970#false, 106973#(<= ULTIMATE.start_main_~x~4 14), 106972#(<= ULTIMATE.start_main_~x~4 12), 106975#(<= ULTIMATE.start_main_~x~4 18), 106974#(<= ULTIMATE.start_main_~x~4 16), 106977#(<= ULTIMATE.start_main_~x~4 22), 106976#(<= ULTIMATE.start_main_~x~4 20), 106979#(<= ULTIMATE.start_main_~x~4 26), 106978#(<= ULTIMATE.start_main_~x~4 24), 106981#(<= ULTIMATE.start_main_~x~4 30), 106980#(<= ULTIMATE.start_main_~x~4 28), 106983#(<= ULTIMATE.start_main_~x~4 34), 106982#(<= ULTIMATE.start_main_~x~4 32), 106985#(<= ULTIMATE.start_main_~x~4 38), 106984#(<= ULTIMATE.start_main_~x~4 36), 106987#(<= ULTIMATE.start_main_~x~4 42), 106986#(<= ULTIMATE.start_main_~x~4 40), 106989#(<= ULTIMATE.start_main_~x~4 46), 106988#(<= ULTIMATE.start_main_~x~4 44), 106991#(<= ULTIMATE.start_main_~x~4 50), 106990#(<= ULTIMATE.start_main_~x~4 48), 106993#(<= ULTIMATE.start_main_~x~4 54), 106992#(<= ULTIMATE.start_main_~x~4 52), 106995#(<= ULTIMATE.start_main_~x~4 58), 106994#(<= ULTIMATE.start_main_~x~4 56), 106997#(<= ULTIMATE.start_main_~x~4 62), 106996#(<= ULTIMATE.start_main_~x~4 60), 106999#(<= ULTIMATE.start_main_~x~4 66), 106998#(<= ULTIMATE.start_main_~x~4 64), 107001#(<= ULTIMATE.start_main_~x~4 70), 107000#(<= ULTIMATE.start_main_~x~4 68), 107003#(<= ULTIMATE.start_main_~x~4 74), 107002#(<= ULTIMATE.start_main_~x~4 72), 107005#(<= ULTIMATE.start_main_~x~4 78), 107004#(<= ULTIMATE.start_main_~x~4 76), 107007#(<= ULTIMATE.start_main_~x~4 82), 107006#(<= ULTIMATE.start_main_~x~4 80)] [2018-07-23 13:43:27,889 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 13:43:27,889 INFO L450 AbstractCegarLoop]: Interpolant automaton has 205 states [2018-07-23 13:43:27,894 INFO L132 InterpolantAutomaton]: Constructing interpolant automaton starting with 205 interpolants. [2018-07-23 13:43:27,899 INFO L133 InterpolantAutomaton]: CoverageRelationStatistics Valid=20910, Invalid=20910, Unknown=0, NotChecked=0, Total=41820 [2018-07-23 13:43:27,899 INFO L87 Difference]: Start difference. First operand 206 states and 206 transitions. Second operand 205 states. [2018-07-23 13:43:28,775 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2018-07-23 13:43:28,775 INFO L93 Difference]: Finished difference Result 209 states and 209 transitions. [2018-07-23 13:43:28,775 INFO L142 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 205 states. [2018-07-23 13:43:28,775 INFO L78 Accepts]: Start accepts. Automaton has 205 states. Word has length 205 [2018-07-23 13:43:28,775 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2018-07-23 13:43:28,776 INFO L225 Difference]: With dead ends: 209 [2018-07-23 13:43:28,776 INFO L226 Difference]: Without dead ends: 207 [2018-07-23 13:43:28,778 INFO L575 BasicCegarLoop]: 0 DeclaredPredicates, 204 GetRequests, 1 SyntacticMatches, 0 SemanticMatches, 203 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 0 ImplicationChecksByTransitivity, 0.7s TimeCoverageRelationStatistics Valid=20910, Invalid=20910, Unknown=0, NotChecked=0, Total=41820 [2018-07-23 13:43:28,778 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 207 states. [2018-07-23 13:43:28,780 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 207 to 207. [2018-07-23 13:43:28,780 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 207 states. [2018-07-23 13:43:28,780 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 207 states to 207 states and 207 transitions. [2018-07-23 13:43:28,781 INFO L78 Accepts]: Start accepts. Automaton has 207 states and 207 transitions. Word has length 205 [2018-07-23 13:43:28,781 INFO L84 Accepts]: Finished accepts. word is rejected. [2018-07-23 13:43:28,781 INFO L471 AbstractCegarLoop]: Abstraction has 207 states and 207 transitions. [2018-07-23 13:43:28,781 INFO L472 AbstractCegarLoop]: Interpolant automaton has 205 states. [2018-07-23 13:43:28,781 INFO L276 IsEmpty]: Start isEmpty. Operand 207 states and 207 transitions. [2018-07-23 13:43:28,781 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 207 [2018-07-23 13:43:28,781 INFO L349 BasicCegarLoop]: Found error trace [2018-07-23 13:43:28,781 INFO L357 BasicCegarLoop]: trace histogram [203, 1, 1, 1] [2018-07-23 13:43:28,782 INFO L414 AbstractCegarLoop]: === Iteration 204 === [ULTIMATE.startErr0AssertViolationASSERT]=== [2018-07-23 13:43:28,782 INFO L82 PathProgramCache]: Analyzing trace with hash 284156616, now seen corresponding path program 203 times [2018-07-23 13:43:28,782 INFO L69 tionRefinementEngine]: Using refinement strategy FixedRefinementStrategy [2018-07-23 13:43:28,799 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-07-23 13:43:29,667 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 13:43:29,667 INFO L309 seRefinementStrategy]: Constructing automaton from 0 perfect and 1 imperfect interpolant sequences. [2018-07-23 13:43:29,667 INFO L324 seRefinementStrategy]: Number of different interpolants: perfect sequences [] imperfect sequences [205] total 205 [2018-07-23 13:43:29,667 INFO L142 lantAutomatonBuilder]: Constructing canonical interpolant automaton, with selfloop in false state [2018-07-23 13:43:29,668 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2018-07-23 13:43:29,668 INFO L185 omatonBuilderFactory]: Interpolants [108033#(<= ULTIMATE.start_main_~x~4 60), 108032#(<= ULTIMATE.start_main_~x~4 58), 108035#(<= ULTIMATE.start_main_~x~4 64), 108034#(<= ULTIMATE.start_main_~x~4 62), 108037#(<= ULTIMATE.start_main_~x~4 68), 108036#(<= ULTIMATE.start_main_~x~4 66), 108039#(<= ULTIMATE.start_main_~x~4 72), 108038#(<= ULTIMATE.start_main_~x~4 70), 108041#(<= ULTIMATE.start_main_~x~4 76), 108040#(<= ULTIMATE.start_main_~x~4 74), 108043#(<= ULTIMATE.start_main_~x~4 80), 108042#(<= ULTIMATE.start_main_~x~4 78), 108045#(<= ULTIMATE.start_main_~x~4 84), 108044#(<= ULTIMATE.start_main_~x~4 82), 108047#(<= ULTIMATE.start_main_~x~4 88), 108046#(<= ULTIMATE.start_main_~x~4 86), 108049#(<= ULTIMATE.start_main_~x~4 92), 108048#(<= ULTIMATE.start_main_~x~4 90), 108051#(<= ULTIMATE.start_main_~x~4 96), 108050#(<= ULTIMATE.start_main_~x~4 94), 108053#(<= ULTIMATE.start_main_~x~4 100), 108052#(<= ULTIMATE.start_main_~x~4 98), 108055#(<= ULTIMATE.start_main_~x~4 104), 108054#(<= ULTIMATE.start_main_~x~4 102), 108057#(<= ULTIMATE.start_main_~x~4 108), 108056#(<= ULTIMATE.start_main_~x~4 106), 108059#(<= ULTIMATE.start_main_~x~4 112), 108058#(<= ULTIMATE.start_main_~x~4 110), 108061#(<= ULTIMATE.start_main_~x~4 116), 108060#(<= ULTIMATE.start_main_~x~4 114), 108063#(<= ULTIMATE.start_main_~x~4 120), 108062#(<= ULTIMATE.start_main_~x~4 118), 108065#(<= ULTIMATE.start_main_~x~4 124), 108064#(<= ULTIMATE.start_main_~x~4 122), 108067#(<= ULTIMATE.start_main_~x~4 128), 108066#(<= ULTIMATE.start_main_~x~4 126), 108069#(<= ULTIMATE.start_main_~x~4 132), 108068#(<= ULTIMATE.start_main_~x~4 130), 108071#(<= ULTIMATE.start_main_~x~4 136), 108070#(<= ULTIMATE.start_main_~x~4 134), 108073#(<= ULTIMATE.start_main_~x~4 140), 108072#(<= ULTIMATE.start_main_~x~4 138), 108075#(<= ULTIMATE.start_main_~x~4 144), 108074#(<= ULTIMATE.start_main_~x~4 142), 108077#(<= ULTIMATE.start_main_~x~4 148), 108076#(<= ULTIMATE.start_main_~x~4 146), 108079#(<= ULTIMATE.start_main_~x~4 152), 108078#(<= ULTIMATE.start_main_~x~4 150), 108081#(<= ULTIMATE.start_main_~x~4 156), 108080#(<= ULTIMATE.start_main_~x~4 154), 108083#(<= ULTIMATE.start_main_~x~4 160), 108082#(<= ULTIMATE.start_main_~x~4 158), 108085#(<= ULTIMATE.start_main_~x~4 164), 108084#(<= ULTIMATE.start_main_~x~4 162), 108087#(<= ULTIMATE.start_main_~x~4 168), 108086#(<= ULTIMATE.start_main_~x~4 166), 108089#(<= ULTIMATE.start_main_~x~4 172), 108088#(<= ULTIMATE.start_main_~x~4 170), 108091#(<= ULTIMATE.start_main_~x~4 176), 108090#(<= ULTIMATE.start_main_~x~4 174), 108093#(<= ULTIMATE.start_main_~x~4 180), 108092#(<= ULTIMATE.start_main_~x~4 178), 108095#(<= ULTIMATE.start_main_~x~4 184), 108094#(<= ULTIMATE.start_main_~x~4 182), 108097#(<= ULTIMATE.start_main_~x~4 188), 108096#(<= ULTIMATE.start_main_~x~4 186), 108099#(<= ULTIMATE.start_main_~x~4 192), 108098#(<= ULTIMATE.start_main_~x~4 190), 108101#(<= ULTIMATE.start_main_~x~4 196), 108100#(<= ULTIMATE.start_main_~x~4 194), 108103#(<= ULTIMATE.start_main_~x~4 200), 108102#(<= ULTIMATE.start_main_~x~4 198), 108105#(<= ULTIMATE.start_main_~x~4 204), 108104#(<= ULTIMATE.start_main_~x~4 202), 108107#(<= ULTIMATE.start_main_~x~4 208), 108106#(<= ULTIMATE.start_main_~x~4 206), 108109#(<= ULTIMATE.start_main_~x~4 212), 108108#(<= ULTIMATE.start_main_~x~4 210), 108111#(<= ULTIMATE.start_main_~x~4 216), 108110#(<= ULTIMATE.start_main_~x~4 214), 108113#(<= ULTIMATE.start_main_~x~4 220), 108112#(<= ULTIMATE.start_main_~x~4 218), 108115#(<= ULTIMATE.start_main_~x~4 224), 108114#(<= ULTIMATE.start_main_~x~4 222), 108117#(<= ULTIMATE.start_main_~x~4 228), 108116#(<= ULTIMATE.start_main_~x~4 226), 108119#(<= ULTIMATE.start_main_~x~4 232), 108118#(<= ULTIMATE.start_main_~x~4 230), 108121#(<= ULTIMATE.start_main_~x~4 236), 108120#(<= ULTIMATE.start_main_~x~4 234), 108123#(<= ULTIMATE.start_main_~x~4 240), 108122#(<= ULTIMATE.start_main_~x~4 238), 108125#(<= ULTIMATE.start_main_~x~4 244), 108124#(<= ULTIMATE.start_main_~x~4 242), 108127#(<= ULTIMATE.start_main_~x~4 248), 108126#(<= ULTIMATE.start_main_~x~4 246), 108129#(<= ULTIMATE.start_main_~x~4 252), 108128#(<= ULTIMATE.start_main_~x~4 250), 108131#(<= ULTIMATE.start_main_~x~4 256), 108130#(<= ULTIMATE.start_main_~x~4 254), 108133#(<= ULTIMATE.start_main_~x~4 260), 108132#(<= ULTIMATE.start_main_~x~4 258), 108135#(<= ULTIMATE.start_main_~x~4 264), 108134#(<= ULTIMATE.start_main_~x~4 262), 108137#(<= ULTIMATE.start_main_~x~4 268), 108136#(<= ULTIMATE.start_main_~x~4 266), 108139#(<= ULTIMATE.start_main_~x~4 272), 108138#(<= ULTIMATE.start_main_~x~4 270), 108141#(<= ULTIMATE.start_main_~x~4 276), 108140#(<= ULTIMATE.start_main_~x~4 274), 108143#(<= ULTIMATE.start_main_~x~4 280), 108142#(<= ULTIMATE.start_main_~x~4 278), 108145#(<= ULTIMATE.start_main_~x~4 284), 108144#(<= ULTIMATE.start_main_~x~4 282), 108147#(<= ULTIMATE.start_main_~x~4 288), 108146#(<= ULTIMATE.start_main_~x~4 286), 108149#(<= ULTIMATE.start_main_~x~4 292), 108148#(<= ULTIMATE.start_main_~x~4 290), 108151#(<= ULTIMATE.start_main_~x~4 296), 108150#(<= ULTIMATE.start_main_~x~4 294), 108153#(<= ULTIMATE.start_main_~x~4 300), 108152#(<= ULTIMATE.start_main_~x~4 298), 108155#(<= ULTIMATE.start_main_~x~4 304), 108154#(<= ULTIMATE.start_main_~x~4 302), 108157#(<= ULTIMATE.start_main_~x~4 308), 108156#(<= ULTIMATE.start_main_~x~4 306), 108159#(<= ULTIMATE.start_main_~x~4 312), 108158#(<= ULTIMATE.start_main_~x~4 310), 108161#(<= ULTIMATE.start_main_~x~4 316), 108160#(<= ULTIMATE.start_main_~x~4 314), 108163#(<= ULTIMATE.start_main_~x~4 320), 108162#(<= ULTIMATE.start_main_~x~4 318), 108165#(<= ULTIMATE.start_main_~x~4 324), 108164#(<= ULTIMATE.start_main_~x~4 322), 108167#(<= ULTIMATE.start_main_~x~4 328), 108166#(<= ULTIMATE.start_main_~x~4 326), 108169#(<= ULTIMATE.start_main_~x~4 332), 108168#(<= ULTIMATE.start_main_~x~4 330), 108171#(<= ULTIMATE.start_main_~x~4 336), 108170#(<= ULTIMATE.start_main_~x~4 334), 108173#(<= ULTIMATE.start_main_~x~4 340), 108172#(<= ULTIMATE.start_main_~x~4 338), 108175#(<= ULTIMATE.start_main_~x~4 344), 108174#(<= ULTIMATE.start_main_~x~4 342), 108177#(<= ULTIMATE.start_main_~x~4 348), 108176#(<= ULTIMATE.start_main_~x~4 346), 108179#(<= ULTIMATE.start_main_~x~4 352), 108178#(<= ULTIMATE.start_main_~x~4 350), 108181#(<= ULTIMATE.start_main_~x~4 356), 108180#(<= ULTIMATE.start_main_~x~4 354), 108183#(<= ULTIMATE.start_main_~x~4 360), 108182#(<= ULTIMATE.start_main_~x~4 358), 108185#(<= ULTIMATE.start_main_~x~4 364), 108184#(<= ULTIMATE.start_main_~x~4 362), 108187#(<= ULTIMATE.start_main_~x~4 368), 108186#(<= ULTIMATE.start_main_~x~4 366), 108189#(<= ULTIMATE.start_main_~x~4 372), 108188#(<= ULTIMATE.start_main_~x~4 370), 108191#(<= ULTIMATE.start_main_~x~4 376), 108190#(<= ULTIMATE.start_main_~x~4 374), 108193#(<= ULTIMATE.start_main_~x~4 380), 108192#(<= ULTIMATE.start_main_~x~4 378), 108195#(<= ULTIMATE.start_main_~x~4 384), 108194#(<= ULTIMATE.start_main_~x~4 382), 108197#(<= ULTIMATE.start_main_~x~4 388), 108196#(<= ULTIMATE.start_main_~x~4 386), 108199#(<= ULTIMATE.start_main_~x~4 392), 108198#(<= ULTIMATE.start_main_~x~4 390), 108201#(<= ULTIMATE.start_main_~x~4 396), 108200#(<= ULTIMATE.start_main_~x~4 394), 108203#(<= ULTIMATE.start_main_~x~4 400), 108202#(<= ULTIMATE.start_main_~x~4 398), 108205#(<= ULTIMATE.start_main_~x~4 404), 108204#(<= ULTIMATE.start_main_~x~4 402), 108207#(<= ULTIMATE.start_main_~x~4 408), 108206#(<= ULTIMATE.start_main_~x~4 406), 108209#(<= ULTIMATE.start_main_~x~4 412), 108208#(<= ULTIMATE.start_main_~x~4 410), 108211#(<= ULTIMATE.start_main_~x~4 416), 108210#(<= ULTIMATE.start_main_~x~4 414), 108007#false, 108006#true, 108009#(<= ULTIMATE.start_main_~x~4 12), 108008#(<= ULTIMATE.start_main_~x~4 10), 108011#(<= ULTIMATE.start_main_~x~4 16), 108010#(<= ULTIMATE.start_main_~x~4 14), 108013#(<= ULTIMATE.start_main_~x~4 20), 108012#(<= ULTIMATE.start_main_~x~4 18), 108015#(<= ULTIMATE.start_main_~x~4 24), 108014#(<= ULTIMATE.start_main_~x~4 22), 108017#(<= ULTIMATE.start_main_~x~4 28), 108016#(<= ULTIMATE.start_main_~x~4 26), 108019#(<= ULTIMATE.start_main_~x~4 32), 108018#(<= ULTIMATE.start_main_~x~4 30), 108021#(<= ULTIMATE.start_main_~x~4 36), 108020#(<= ULTIMATE.start_main_~x~4 34), 108023#(<= ULTIMATE.start_main_~x~4 40), 108022#(<= ULTIMATE.start_main_~x~4 38), 108025#(<= ULTIMATE.start_main_~x~4 44), 108024#(<= ULTIMATE.start_main_~x~4 42), 108027#(<= ULTIMATE.start_main_~x~4 48), 108026#(<= ULTIMATE.start_main_~x~4 46), 108029#(<= ULTIMATE.start_main_~x~4 52), 108028#(<= ULTIMATE.start_main_~x~4 50), 108031#(<= ULTIMATE.start_main_~x~4 56), 108030#(<= ULTIMATE.start_main_~x~4 54)] [2018-07-23 13:43:29,669 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 13:43:29,669 INFO L450 AbstractCegarLoop]: Interpolant automaton has 206 states [2018-07-23 13:43:29,672 INFO L132 InterpolantAutomaton]: Constructing interpolant automaton starting with 206 interpolants. [2018-07-23 13:43:29,674 INFO L133 InterpolantAutomaton]: CoverageRelationStatistics Valid=21115, Invalid=21115, Unknown=0, NotChecked=0, Total=42230 [2018-07-23 13:43:29,674 INFO L87 Difference]: Start difference. First operand 207 states and 207 transitions. Second operand 206 states. [2018-07-23 13:43:30,905 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2018-07-23 13:43:30,906 INFO L93 Difference]: Finished difference Result 210 states and 210 transitions. [2018-07-23 13:43:30,906 INFO L142 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 206 states. [2018-07-23 13:43:30,906 INFO L78 Accepts]: Start accepts. Automaton has 206 states. Word has length 206 [2018-07-23 13:43:30,906 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2018-07-23 13:43:30,906 INFO L225 Difference]: With dead ends: 210 [2018-07-23 13:43:30,906 INFO L226 Difference]: Without dead ends: 208 [2018-07-23 13:43:30,910 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 13:43:30,911 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 208 states. [2018-07-23 13:43:30,913 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 208 to 208. [2018-07-23 13:43:30,913 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 208 states. [2018-07-23 13:43:30,914 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 208 states to 208 states and 208 transitions. [2018-07-23 13:43:30,914 INFO L78 Accepts]: Start accepts. Automaton has 208 states and 208 transitions. Word has length 206 [2018-07-23 13:43:30,914 INFO L84 Accepts]: Finished accepts. word is rejected. [2018-07-23 13:43:30,914 INFO L471 AbstractCegarLoop]: Abstraction has 208 states and 208 transitions. [2018-07-23 13:43:30,914 INFO L472 AbstractCegarLoop]: Interpolant automaton has 206 states. [2018-07-23 13:43:30,914 INFO L276 IsEmpty]: Start isEmpty. Operand 208 states and 208 transitions. [2018-07-23 13:43:30,915 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 208 [2018-07-23 13:43:30,915 INFO L349 BasicCegarLoop]: Found error trace [2018-07-23 13:43:30,915 INFO L357 BasicCegarLoop]: trace histogram [204, 1, 1, 1] [2018-07-23 13:43:30,915 INFO L414 AbstractCegarLoop]: === Iteration 205 === [ULTIMATE.startErr0AssertViolationASSERT]=== [2018-07-23 13:43:30,915 INFO L82 PathProgramCache]: Analyzing trace with hash 218918529, now seen corresponding path program 204 times [2018-07-23 13:43:30,915 INFO L69 tionRefinementEngine]: Using refinement strategy FixedRefinementStrategy [2018-07-23 13:43:30,935 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-07-23 13:43:31,923 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 13:43:31,923 INFO L309 seRefinementStrategy]: Constructing automaton from 0 perfect and 1 imperfect interpolant sequences. [2018-07-23 13:43:31,923 INFO L324 seRefinementStrategy]: Number of different interpolants: perfect sequences [] imperfect sequences [206] total 206 [2018-07-23 13:43:31,924 INFO L142 lantAutomatonBuilder]: Constructing canonical interpolant automaton, with selfloop in false state [2018-07-23 13:43:31,924 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2018-07-23 13:43:31,924 INFO L185 omatonBuilderFactory]: Interpolants [109057#(<= ULTIMATE.start_main_~x~4 24), 109056#(<= ULTIMATE.start_main_~x~4 22), 109059#(<= ULTIMATE.start_main_~x~4 28), 109058#(<= ULTIMATE.start_main_~x~4 26), 109061#(<= ULTIMATE.start_main_~x~4 32), 109060#(<= ULTIMATE.start_main_~x~4 30), 109063#(<= ULTIMATE.start_main_~x~4 36), 109062#(<= ULTIMATE.start_main_~x~4 34), 109065#(<= ULTIMATE.start_main_~x~4 40), 109064#(<= ULTIMATE.start_main_~x~4 38), 109067#(<= ULTIMATE.start_main_~x~4 44), 109066#(<= ULTIMATE.start_main_~x~4 42), 109069#(<= ULTIMATE.start_main_~x~4 48), 109068#(<= ULTIMATE.start_main_~x~4 46), 109071#(<= ULTIMATE.start_main_~x~4 52), 109070#(<= ULTIMATE.start_main_~x~4 50), 109073#(<= ULTIMATE.start_main_~x~4 56), 109072#(<= ULTIMATE.start_main_~x~4 54), 109075#(<= ULTIMATE.start_main_~x~4 60), 109074#(<= ULTIMATE.start_main_~x~4 58), 109077#(<= ULTIMATE.start_main_~x~4 64), 109076#(<= ULTIMATE.start_main_~x~4 62), 109079#(<= ULTIMATE.start_main_~x~4 68), 109078#(<= ULTIMATE.start_main_~x~4 66), 109081#(<= ULTIMATE.start_main_~x~4 72), 109080#(<= ULTIMATE.start_main_~x~4 70), 109083#(<= ULTIMATE.start_main_~x~4 76), 109082#(<= ULTIMATE.start_main_~x~4 74), 109085#(<= ULTIMATE.start_main_~x~4 80), 109084#(<= ULTIMATE.start_main_~x~4 78), 109087#(<= ULTIMATE.start_main_~x~4 84), 109086#(<= ULTIMATE.start_main_~x~4 82), 109089#(<= ULTIMATE.start_main_~x~4 88), 109088#(<= ULTIMATE.start_main_~x~4 86), 109091#(<= ULTIMATE.start_main_~x~4 92), 109090#(<= ULTIMATE.start_main_~x~4 90), 109093#(<= ULTIMATE.start_main_~x~4 96), 109092#(<= ULTIMATE.start_main_~x~4 94), 109095#(<= ULTIMATE.start_main_~x~4 100), 109094#(<= ULTIMATE.start_main_~x~4 98), 109097#(<= ULTIMATE.start_main_~x~4 104), 109096#(<= ULTIMATE.start_main_~x~4 102), 109099#(<= ULTIMATE.start_main_~x~4 108), 109098#(<= ULTIMATE.start_main_~x~4 106), 109101#(<= ULTIMATE.start_main_~x~4 112), 109100#(<= ULTIMATE.start_main_~x~4 110), 109103#(<= ULTIMATE.start_main_~x~4 116), 109102#(<= ULTIMATE.start_main_~x~4 114), 109105#(<= ULTIMATE.start_main_~x~4 120), 109104#(<= ULTIMATE.start_main_~x~4 118), 109107#(<= ULTIMATE.start_main_~x~4 124), 109106#(<= ULTIMATE.start_main_~x~4 122), 109109#(<= ULTIMATE.start_main_~x~4 128), 109108#(<= ULTIMATE.start_main_~x~4 126), 109111#(<= ULTIMATE.start_main_~x~4 132), 109110#(<= ULTIMATE.start_main_~x~4 130), 109113#(<= ULTIMATE.start_main_~x~4 136), 109112#(<= ULTIMATE.start_main_~x~4 134), 109115#(<= ULTIMATE.start_main_~x~4 140), 109114#(<= ULTIMATE.start_main_~x~4 138), 109117#(<= ULTIMATE.start_main_~x~4 144), 109116#(<= ULTIMATE.start_main_~x~4 142), 109119#(<= ULTIMATE.start_main_~x~4 148), 109118#(<= ULTIMATE.start_main_~x~4 146), 109121#(<= ULTIMATE.start_main_~x~4 152), 109120#(<= ULTIMATE.start_main_~x~4 150), 109123#(<= ULTIMATE.start_main_~x~4 156), 109122#(<= ULTIMATE.start_main_~x~4 154), 109125#(<= ULTIMATE.start_main_~x~4 160), 109124#(<= ULTIMATE.start_main_~x~4 158), 109127#(<= ULTIMATE.start_main_~x~4 164), 109126#(<= ULTIMATE.start_main_~x~4 162), 109129#(<= ULTIMATE.start_main_~x~4 168), 109128#(<= ULTIMATE.start_main_~x~4 166), 109131#(<= ULTIMATE.start_main_~x~4 172), 109130#(<= ULTIMATE.start_main_~x~4 170), 109133#(<= ULTIMATE.start_main_~x~4 176), 109132#(<= ULTIMATE.start_main_~x~4 174), 109135#(<= ULTIMATE.start_main_~x~4 180), 109134#(<= ULTIMATE.start_main_~x~4 178), 109137#(<= ULTIMATE.start_main_~x~4 184), 109136#(<= ULTIMATE.start_main_~x~4 182), 109139#(<= ULTIMATE.start_main_~x~4 188), 109138#(<= ULTIMATE.start_main_~x~4 186), 109141#(<= ULTIMATE.start_main_~x~4 192), 109140#(<= ULTIMATE.start_main_~x~4 190), 109143#(<= ULTIMATE.start_main_~x~4 196), 109142#(<= ULTIMATE.start_main_~x~4 194), 109145#(<= ULTIMATE.start_main_~x~4 200), 109144#(<= ULTIMATE.start_main_~x~4 198), 109147#(<= ULTIMATE.start_main_~x~4 204), 109146#(<= ULTIMATE.start_main_~x~4 202), 109149#(<= ULTIMATE.start_main_~x~4 208), 109148#(<= ULTIMATE.start_main_~x~4 206), 109151#(<= ULTIMATE.start_main_~x~4 212), 109150#(<= ULTIMATE.start_main_~x~4 210), 109153#(<= ULTIMATE.start_main_~x~4 216), 109152#(<= ULTIMATE.start_main_~x~4 214), 109155#(<= ULTIMATE.start_main_~x~4 220), 109154#(<= ULTIMATE.start_main_~x~4 218), 109157#(<= ULTIMATE.start_main_~x~4 224), 109156#(<= ULTIMATE.start_main_~x~4 222), 109159#(<= ULTIMATE.start_main_~x~4 228), 109158#(<= ULTIMATE.start_main_~x~4 226), 109161#(<= ULTIMATE.start_main_~x~4 232), 109160#(<= ULTIMATE.start_main_~x~4 230), 109163#(<= ULTIMATE.start_main_~x~4 236), 109162#(<= ULTIMATE.start_main_~x~4 234), 109165#(<= ULTIMATE.start_main_~x~4 240), 109164#(<= ULTIMATE.start_main_~x~4 238), 109167#(<= ULTIMATE.start_main_~x~4 244), 109166#(<= ULTIMATE.start_main_~x~4 242), 109169#(<= ULTIMATE.start_main_~x~4 248), 109168#(<= ULTIMATE.start_main_~x~4 246), 109171#(<= ULTIMATE.start_main_~x~4 252), 109170#(<= ULTIMATE.start_main_~x~4 250), 109173#(<= ULTIMATE.start_main_~x~4 256), 109172#(<= ULTIMATE.start_main_~x~4 254), 109175#(<= ULTIMATE.start_main_~x~4 260), 109174#(<= ULTIMATE.start_main_~x~4 258), 109177#(<= ULTIMATE.start_main_~x~4 264), 109176#(<= ULTIMATE.start_main_~x~4 262), 109179#(<= ULTIMATE.start_main_~x~4 268), 109178#(<= ULTIMATE.start_main_~x~4 266), 109181#(<= ULTIMATE.start_main_~x~4 272), 109180#(<= ULTIMATE.start_main_~x~4 270), 109183#(<= ULTIMATE.start_main_~x~4 276), 109182#(<= ULTIMATE.start_main_~x~4 274), 109185#(<= ULTIMATE.start_main_~x~4 280), 109184#(<= ULTIMATE.start_main_~x~4 278), 109187#(<= ULTIMATE.start_main_~x~4 284), 109186#(<= ULTIMATE.start_main_~x~4 282), 109189#(<= ULTIMATE.start_main_~x~4 288), 109188#(<= ULTIMATE.start_main_~x~4 286), 109191#(<= ULTIMATE.start_main_~x~4 292), 109190#(<= ULTIMATE.start_main_~x~4 290), 109193#(<= ULTIMATE.start_main_~x~4 296), 109192#(<= ULTIMATE.start_main_~x~4 294), 109195#(<= ULTIMATE.start_main_~x~4 300), 109194#(<= ULTIMATE.start_main_~x~4 298), 109197#(<= ULTIMATE.start_main_~x~4 304), 109196#(<= ULTIMATE.start_main_~x~4 302), 109199#(<= ULTIMATE.start_main_~x~4 308), 109198#(<= ULTIMATE.start_main_~x~4 306), 109201#(<= ULTIMATE.start_main_~x~4 312), 109200#(<= ULTIMATE.start_main_~x~4 310), 109203#(<= ULTIMATE.start_main_~x~4 316), 109202#(<= ULTIMATE.start_main_~x~4 314), 109205#(<= ULTIMATE.start_main_~x~4 320), 109204#(<= ULTIMATE.start_main_~x~4 318), 109207#(<= ULTIMATE.start_main_~x~4 324), 109206#(<= ULTIMATE.start_main_~x~4 322), 109209#(<= ULTIMATE.start_main_~x~4 328), 109208#(<= ULTIMATE.start_main_~x~4 326), 109211#(<= ULTIMATE.start_main_~x~4 332), 109210#(<= ULTIMATE.start_main_~x~4 330), 109213#(<= ULTIMATE.start_main_~x~4 336), 109212#(<= ULTIMATE.start_main_~x~4 334), 109215#(<= ULTIMATE.start_main_~x~4 340), 109214#(<= ULTIMATE.start_main_~x~4 338), 109217#(<= ULTIMATE.start_main_~x~4 344), 109216#(<= ULTIMATE.start_main_~x~4 342), 109219#(<= ULTIMATE.start_main_~x~4 348), 109218#(<= ULTIMATE.start_main_~x~4 346), 109221#(<= ULTIMATE.start_main_~x~4 352), 109220#(<= ULTIMATE.start_main_~x~4 350), 109223#(<= ULTIMATE.start_main_~x~4 356), 109222#(<= ULTIMATE.start_main_~x~4 354), 109225#(<= ULTIMATE.start_main_~x~4 360), 109224#(<= ULTIMATE.start_main_~x~4 358), 109227#(<= ULTIMATE.start_main_~x~4 364), 109226#(<= ULTIMATE.start_main_~x~4 362), 109229#(<= ULTIMATE.start_main_~x~4 368), 109228#(<= ULTIMATE.start_main_~x~4 366), 109231#(<= ULTIMATE.start_main_~x~4 372), 109230#(<= ULTIMATE.start_main_~x~4 370), 109233#(<= ULTIMATE.start_main_~x~4 376), 109232#(<= ULTIMATE.start_main_~x~4 374), 109235#(<= ULTIMATE.start_main_~x~4 380), 109234#(<= ULTIMATE.start_main_~x~4 378), 109237#(<= ULTIMATE.start_main_~x~4 384), 109236#(<= ULTIMATE.start_main_~x~4 382), 109239#(<= ULTIMATE.start_main_~x~4 388), 109238#(<= ULTIMATE.start_main_~x~4 386), 109241#(<= ULTIMATE.start_main_~x~4 392), 109240#(<= ULTIMATE.start_main_~x~4 390), 109243#(<= ULTIMATE.start_main_~x~4 396), 109242#(<= ULTIMATE.start_main_~x~4 394), 109245#(<= ULTIMATE.start_main_~x~4 400), 109244#(<= ULTIMATE.start_main_~x~4 398), 109247#(<= ULTIMATE.start_main_~x~4 404), 109246#(<= ULTIMATE.start_main_~x~4 402), 109249#(<= ULTIMATE.start_main_~x~4 408), 109248#(<= ULTIMATE.start_main_~x~4 406), 109251#(<= ULTIMATE.start_main_~x~4 412), 109250#(<= ULTIMATE.start_main_~x~4 410), 109253#(<= ULTIMATE.start_main_~x~4 416), 109252#(<= ULTIMATE.start_main_~x~4 414), 109254#(<= ULTIMATE.start_main_~x~4 418), 109049#false, 109048#true, 109051#(<= ULTIMATE.start_main_~x~4 12), 109050#(<= ULTIMATE.start_main_~x~4 10), 109053#(<= ULTIMATE.start_main_~x~4 16), 109052#(<= ULTIMATE.start_main_~x~4 14), 109055#(<= ULTIMATE.start_main_~x~4 20), 109054#(<= ULTIMATE.start_main_~x~4 18)] [2018-07-23 13:43:31,926 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 13:43:31,926 INFO L450 AbstractCegarLoop]: Interpolant automaton has 207 states [2018-07-23 13:43:31,929 INFO L132 InterpolantAutomaton]: Constructing interpolant automaton starting with 207 interpolants. [2018-07-23 13:43:31,932 INFO L133 InterpolantAutomaton]: CoverageRelationStatistics Valid=21321, Invalid=21321, Unknown=0, NotChecked=0, Total=42642 [2018-07-23 13:43:31,932 INFO L87 Difference]: Start difference. First operand 208 states and 208 transitions. Second operand 207 states. [2018-07-23 13:43:33,161 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2018-07-23 13:43:33,162 INFO L93 Difference]: Finished difference Result 211 states and 211 transitions. [2018-07-23 13:43:33,162 INFO L142 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 207 states. [2018-07-23 13:43:33,162 INFO L78 Accepts]: Start accepts. Automaton has 207 states. Word has length 207 [2018-07-23 13:43:33,162 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2018-07-23 13:43:33,162 INFO L225 Difference]: With dead ends: 211 [2018-07-23 13:43:33,162 INFO L226 Difference]: Without dead ends: 209 [2018-07-23 13:43:33,166 INFO L575 BasicCegarLoop]: 0 DeclaredPredicates, 206 GetRequests, 1 SyntacticMatches, 0 SemanticMatches, 205 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 0 ImplicationChecksByTransitivity, 0.9s TimeCoverageRelationStatistics Valid=21321, Invalid=21321, Unknown=0, NotChecked=0, Total=42642 [2018-07-23 13:43:33,166 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 209 states. [2018-07-23 13:43:33,169 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 209 to 209. [2018-07-23 13:43:33,169 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 209 states. [2018-07-23 13:43:33,169 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 209 states to 209 states and 209 transitions. [2018-07-23 13:43:33,169 INFO L78 Accepts]: Start accepts. Automaton has 209 states and 209 transitions. Word has length 207 [2018-07-23 13:43:33,169 INFO L84 Accepts]: Finished accepts. word is rejected. [2018-07-23 13:43:33,169 INFO L471 AbstractCegarLoop]: Abstraction has 209 states and 209 transitions. [2018-07-23 13:43:33,170 INFO L472 AbstractCegarLoop]: Interpolant automaton has 207 states. [2018-07-23 13:43:33,170 INFO L276 IsEmpty]: Start isEmpty. Operand 209 states and 209 transitions. [2018-07-23 13:43:33,170 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 209 [2018-07-23 13:43:33,170 INFO L349 BasicCegarLoop]: Found error trace [2018-07-23 13:43:33,170 INFO L357 BasicCegarLoop]: trace histogram [205, 1, 1, 1] [2018-07-23 13:43:33,170 INFO L414 AbstractCegarLoop]: === Iteration 206 === [ULTIMATE.startErr0AssertViolationASSERT]=== [2018-07-23 13:43:33,170 INFO L82 PathProgramCache]: Analyzing trace with hash -1803462168, now seen corresponding path program 205 times [2018-07-23 13:43:33,170 INFO L69 tionRefinementEngine]: Using refinement strategy FixedRefinementStrategy [2018-07-23 13:43:33,185 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-07-23 13:43:34,113 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 13:43:34,114 INFO L309 seRefinementStrategy]: Constructing automaton from 0 perfect and 1 imperfect interpolant sequences. [2018-07-23 13:43:34,114 INFO L324 seRefinementStrategy]: Number of different interpolants: perfect sequences [] imperfect sequences [207] total 207 [2018-07-23 13:43:34,114 INFO L142 lantAutomatonBuilder]: Constructing canonical interpolant automaton, with selfloop in false state [2018-07-23 13:43:34,114 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2018-07-23 13:43:34,114 INFO L185 omatonBuilderFactory]: Interpolants [110095#true, 110097#(<= ULTIMATE.start_main_~x~4 10), 110096#false, 110099#(<= ULTIMATE.start_main_~x~4 14), 110098#(<= ULTIMATE.start_main_~x~4 12), 110101#(<= ULTIMATE.start_main_~x~4 18), 110100#(<= ULTIMATE.start_main_~x~4 16), 110103#(<= ULTIMATE.start_main_~x~4 22), 110102#(<= ULTIMATE.start_main_~x~4 20), 110105#(<= ULTIMATE.start_main_~x~4 26), 110104#(<= ULTIMATE.start_main_~x~4 24), 110107#(<= ULTIMATE.start_main_~x~4 30), 110106#(<= ULTIMATE.start_main_~x~4 28), 110109#(<= ULTIMATE.start_main_~x~4 34), 110108#(<= ULTIMATE.start_main_~x~4 32), 110111#(<= ULTIMATE.start_main_~x~4 38), 110110#(<= ULTIMATE.start_main_~x~4 36), 110113#(<= ULTIMATE.start_main_~x~4 42), 110112#(<= ULTIMATE.start_main_~x~4 40), 110115#(<= ULTIMATE.start_main_~x~4 46), 110114#(<= ULTIMATE.start_main_~x~4 44), 110117#(<= ULTIMATE.start_main_~x~4 50), 110116#(<= ULTIMATE.start_main_~x~4 48), 110119#(<= ULTIMATE.start_main_~x~4 54), 110118#(<= ULTIMATE.start_main_~x~4 52), 110121#(<= ULTIMATE.start_main_~x~4 58), 110120#(<= ULTIMATE.start_main_~x~4 56), 110123#(<= ULTIMATE.start_main_~x~4 62), 110122#(<= ULTIMATE.start_main_~x~4 60), 110125#(<= ULTIMATE.start_main_~x~4 66), 110124#(<= ULTIMATE.start_main_~x~4 64), 110127#(<= ULTIMATE.start_main_~x~4 70), 110126#(<= ULTIMATE.start_main_~x~4 68), 110129#(<= ULTIMATE.start_main_~x~4 74), 110128#(<= ULTIMATE.start_main_~x~4 72), 110131#(<= ULTIMATE.start_main_~x~4 78), 110130#(<= ULTIMATE.start_main_~x~4 76), 110133#(<= ULTIMATE.start_main_~x~4 82), 110132#(<= ULTIMATE.start_main_~x~4 80), 110135#(<= ULTIMATE.start_main_~x~4 86), 110134#(<= ULTIMATE.start_main_~x~4 84), 110137#(<= ULTIMATE.start_main_~x~4 90), 110136#(<= ULTIMATE.start_main_~x~4 88), 110139#(<= ULTIMATE.start_main_~x~4 94), 110138#(<= ULTIMATE.start_main_~x~4 92), 110141#(<= ULTIMATE.start_main_~x~4 98), 110140#(<= ULTIMATE.start_main_~x~4 96), 110143#(<= ULTIMATE.start_main_~x~4 102), 110142#(<= ULTIMATE.start_main_~x~4 100), 110145#(<= ULTIMATE.start_main_~x~4 106), 110144#(<= ULTIMATE.start_main_~x~4 104), 110147#(<= ULTIMATE.start_main_~x~4 110), 110146#(<= ULTIMATE.start_main_~x~4 108), 110149#(<= ULTIMATE.start_main_~x~4 114), 110148#(<= ULTIMATE.start_main_~x~4 112), 110151#(<= ULTIMATE.start_main_~x~4 118), 110150#(<= ULTIMATE.start_main_~x~4 116), 110153#(<= ULTIMATE.start_main_~x~4 122), 110152#(<= ULTIMATE.start_main_~x~4 120), 110155#(<= ULTIMATE.start_main_~x~4 126), 110154#(<= ULTIMATE.start_main_~x~4 124), 110157#(<= ULTIMATE.start_main_~x~4 130), 110156#(<= ULTIMATE.start_main_~x~4 128), 110159#(<= ULTIMATE.start_main_~x~4 134), 110158#(<= ULTIMATE.start_main_~x~4 132), 110161#(<= ULTIMATE.start_main_~x~4 138), 110160#(<= ULTIMATE.start_main_~x~4 136), 110163#(<= ULTIMATE.start_main_~x~4 142), 110162#(<= ULTIMATE.start_main_~x~4 140), 110165#(<= ULTIMATE.start_main_~x~4 146), 110164#(<= ULTIMATE.start_main_~x~4 144), 110167#(<= ULTIMATE.start_main_~x~4 150), 110166#(<= ULTIMATE.start_main_~x~4 148), 110169#(<= ULTIMATE.start_main_~x~4 154), 110168#(<= ULTIMATE.start_main_~x~4 152), 110171#(<= ULTIMATE.start_main_~x~4 158), 110170#(<= ULTIMATE.start_main_~x~4 156), 110173#(<= ULTIMATE.start_main_~x~4 162), 110172#(<= ULTIMATE.start_main_~x~4 160), 110175#(<= ULTIMATE.start_main_~x~4 166), 110174#(<= ULTIMATE.start_main_~x~4 164), 110177#(<= ULTIMATE.start_main_~x~4 170), 110176#(<= ULTIMATE.start_main_~x~4 168), 110179#(<= ULTIMATE.start_main_~x~4 174), 110178#(<= ULTIMATE.start_main_~x~4 172), 110181#(<= ULTIMATE.start_main_~x~4 178), 110180#(<= ULTIMATE.start_main_~x~4 176), 110183#(<= ULTIMATE.start_main_~x~4 182), 110182#(<= ULTIMATE.start_main_~x~4 180), 110185#(<= ULTIMATE.start_main_~x~4 186), 110184#(<= ULTIMATE.start_main_~x~4 184), 110187#(<= ULTIMATE.start_main_~x~4 190), 110186#(<= ULTIMATE.start_main_~x~4 188), 110189#(<= ULTIMATE.start_main_~x~4 194), 110188#(<= ULTIMATE.start_main_~x~4 192), 110191#(<= ULTIMATE.start_main_~x~4 198), 110190#(<= ULTIMATE.start_main_~x~4 196), 110193#(<= ULTIMATE.start_main_~x~4 202), 110192#(<= ULTIMATE.start_main_~x~4 200), 110195#(<= ULTIMATE.start_main_~x~4 206), 110194#(<= ULTIMATE.start_main_~x~4 204), 110197#(<= ULTIMATE.start_main_~x~4 210), 110196#(<= ULTIMATE.start_main_~x~4 208), 110199#(<= ULTIMATE.start_main_~x~4 214), 110198#(<= ULTIMATE.start_main_~x~4 212), 110201#(<= ULTIMATE.start_main_~x~4 218), 110200#(<= ULTIMATE.start_main_~x~4 216), 110203#(<= ULTIMATE.start_main_~x~4 222), 110202#(<= ULTIMATE.start_main_~x~4 220), 110205#(<= ULTIMATE.start_main_~x~4 226), 110204#(<= ULTIMATE.start_main_~x~4 224), 110207#(<= ULTIMATE.start_main_~x~4 230), 110206#(<= ULTIMATE.start_main_~x~4 228), 110209#(<= ULTIMATE.start_main_~x~4 234), 110208#(<= ULTIMATE.start_main_~x~4 232), 110211#(<= ULTIMATE.start_main_~x~4 238), 110210#(<= ULTIMATE.start_main_~x~4 236), 110213#(<= ULTIMATE.start_main_~x~4 242), 110212#(<= ULTIMATE.start_main_~x~4 240), 110215#(<= ULTIMATE.start_main_~x~4 246), 110214#(<= ULTIMATE.start_main_~x~4 244), 110217#(<= ULTIMATE.start_main_~x~4 250), 110216#(<= ULTIMATE.start_main_~x~4 248), 110219#(<= ULTIMATE.start_main_~x~4 254), 110218#(<= ULTIMATE.start_main_~x~4 252), 110221#(<= ULTIMATE.start_main_~x~4 258), 110220#(<= ULTIMATE.start_main_~x~4 256), 110223#(<= ULTIMATE.start_main_~x~4 262), 110222#(<= ULTIMATE.start_main_~x~4 260), 110225#(<= ULTIMATE.start_main_~x~4 266), 110224#(<= ULTIMATE.start_main_~x~4 264), 110227#(<= ULTIMATE.start_main_~x~4 270), 110226#(<= ULTIMATE.start_main_~x~4 268), 110229#(<= ULTIMATE.start_main_~x~4 274), 110228#(<= ULTIMATE.start_main_~x~4 272), 110231#(<= ULTIMATE.start_main_~x~4 278), 110230#(<= ULTIMATE.start_main_~x~4 276), 110233#(<= ULTIMATE.start_main_~x~4 282), 110232#(<= ULTIMATE.start_main_~x~4 280), 110235#(<= ULTIMATE.start_main_~x~4 286), 110234#(<= ULTIMATE.start_main_~x~4 284), 110237#(<= ULTIMATE.start_main_~x~4 290), 110236#(<= ULTIMATE.start_main_~x~4 288), 110239#(<= ULTIMATE.start_main_~x~4 294), 110238#(<= ULTIMATE.start_main_~x~4 292), 110241#(<= ULTIMATE.start_main_~x~4 298), 110240#(<= ULTIMATE.start_main_~x~4 296), 110243#(<= ULTIMATE.start_main_~x~4 302), 110242#(<= ULTIMATE.start_main_~x~4 300), 110245#(<= ULTIMATE.start_main_~x~4 306), 110244#(<= ULTIMATE.start_main_~x~4 304), 110247#(<= ULTIMATE.start_main_~x~4 310), 110246#(<= ULTIMATE.start_main_~x~4 308), 110249#(<= ULTIMATE.start_main_~x~4 314), 110248#(<= ULTIMATE.start_main_~x~4 312), 110251#(<= ULTIMATE.start_main_~x~4 318), 110250#(<= ULTIMATE.start_main_~x~4 316), 110253#(<= ULTIMATE.start_main_~x~4 322), 110252#(<= ULTIMATE.start_main_~x~4 320), 110255#(<= ULTIMATE.start_main_~x~4 326), 110254#(<= ULTIMATE.start_main_~x~4 324), 110257#(<= ULTIMATE.start_main_~x~4 330), 110256#(<= ULTIMATE.start_main_~x~4 328), 110259#(<= ULTIMATE.start_main_~x~4 334), 110258#(<= ULTIMATE.start_main_~x~4 332), 110261#(<= ULTIMATE.start_main_~x~4 338), 110260#(<= ULTIMATE.start_main_~x~4 336), 110263#(<= ULTIMATE.start_main_~x~4 342), 110262#(<= ULTIMATE.start_main_~x~4 340), 110265#(<= ULTIMATE.start_main_~x~4 346), 110264#(<= ULTIMATE.start_main_~x~4 344), 110267#(<= ULTIMATE.start_main_~x~4 350), 110266#(<= ULTIMATE.start_main_~x~4 348), 110269#(<= ULTIMATE.start_main_~x~4 354), 110268#(<= ULTIMATE.start_main_~x~4 352), 110271#(<= ULTIMATE.start_main_~x~4 358), 110270#(<= ULTIMATE.start_main_~x~4 356), 110273#(<= ULTIMATE.start_main_~x~4 362), 110272#(<= ULTIMATE.start_main_~x~4 360), 110275#(<= ULTIMATE.start_main_~x~4 366), 110274#(<= ULTIMATE.start_main_~x~4 364), 110277#(<= ULTIMATE.start_main_~x~4 370), 110276#(<= ULTIMATE.start_main_~x~4 368), 110279#(<= ULTIMATE.start_main_~x~4 374), 110278#(<= ULTIMATE.start_main_~x~4 372), 110281#(<= ULTIMATE.start_main_~x~4 378), 110280#(<= ULTIMATE.start_main_~x~4 376), 110283#(<= ULTIMATE.start_main_~x~4 382), 110282#(<= ULTIMATE.start_main_~x~4 380), 110285#(<= ULTIMATE.start_main_~x~4 386), 110284#(<= ULTIMATE.start_main_~x~4 384), 110287#(<= ULTIMATE.start_main_~x~4 390), 110286#(<= ULTIMATE.start_main_~x~4 388), 110289#(<= ULTIMATE.start_main_~x~4 394), 110288#(<= ULTIMATE.start_main_~x~4 392), 110291#(<= ULTIMATE.start_main_~x~4 398), 110290#(<= ULTIMATE.start_main_~x~4 396), 110293#(<= ULTIMATE.start_main_~x~4 402), 110292#(<= ULTIMATE.start_main_~x~4 400), 110295#(<= ULTIMATE.start_main_~x~4 406), 110294#(<= ULTIMATE.start_main_~x~4 404), 110297#(<= ULTIMATE.start_main_~x~4 410), 110296#(<= ULTIMATE.start_main_~x~4 408), 110299#(<= ULTIMATE.start_main_~x~4 414), 110298#(<= ULTIMATE.start_main_~x~4 412), 110301#(<= ULTIMATE.start_main_~x~4 418), 110300#(<= ULTIMATE.start_main_~x~4 416), 110302#(<= ULTIMATE.start_main_~x~4 420)] [2018-07-23 13:43:34,116 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 13:43:34,116 INFO L450 AbstractCegarLoop]: Interpolant automaton has 208 states [2018-07-23 13:43:34,119 INFO L132 InterpolantAutomaton]: Constructing interpolant automaton starting with 208 interpolants. [2018-07-23 13:43:34,121 INFO L133 InterpolantAutomaton]: CoverageRelationStatistics Valid=21528, Invalid=21528, Unknown=0, NotChecked=0, Total=43056 [2018-07-23 13:43:34,121 INFO L87 Difference]: Start difference. First operand 209 states and 209 transitions. Second operand 208 states. [2018-07-23 13:43:35,399 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2018-07-23 13:43:35,400 INFO L93 Difference]: Finished difference Result 212 states and 212 transitions. [2018-07-23 13:43:35,400 INFO L142 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 208 states. [2018-07-23 13:43:35,400 INFO L78 Accepts]: Start accepts. Automaton has 208 states. Word has length 208 [2018-07-23 13:43:35,400 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2018-07-23 13:43:35,400 INFO L225 Difference]: With dead ends: 212 [2018-07-23 13:43:35,400 INFO L226 Difference]: Without dead ends: 210 [2018-07-23 13:43:35,403 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 13:43:35,403 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 210 states. [2018-07-23 13:43:35,405 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 210 to 210. [2018-07-23 13:43:35,405 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 210 states. [2018-07-23 13:43:35,405 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 210 states to 210 states and 210 transitions. [2018-07-23 13:43:35,405 INFO L78 Accepts]: Start accepts. Automaton has 210 states and 210 transitions. Word has length 208 [2018-07-23 13:43:35,406 INFO L84 Accepts]: Finished accepts. word is rejected. [2018-07-23 13:43:35,406 INFO L471 AbstractCegarLoop]: Abstraction has 210 states and 210 transitions. [2018-07-23 13:43:35,406 INFO L472 AbstractCegarLoop]: Interpolant automaton has 208 states. [2018-07-23 13:43:35,406 INFO L276 IsEmpty]: Start isEmpty. Operand 210 states and 210 transitions. [2018-07-23 13:43:35,406 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 210 [2018-07-23 13:43:35,406 INFO L349 BasicCegarLoop]: Found error trace [2018-07-23 13:43:35,406 INFO L357 BasicCegarLoop]: trace histogram [206, 1, 1, 1] [2018-07-23 13:43:35,407 INFO L414 AbstractCegarLoop]: === Iteration 207 === [ULTIMATE.startErr0AssertViolationASSERT]=== [2018-07-23 13:43:35,407 INFO L82 PathProgramCache]: Analyzing trace with hash -72754335, now seen corresponding path program 206 times [2018-07-23 13:43:35,407 INFO L69 tionRefinementEngine]: Using refinement strategy FixedRefinementStrategy [2018-07-23 13:43:35,425 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-07-23 13:43:36,384 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 13:43:36,385 INFO L309 seRefinementStrategy]: Constructing automaton from 0 perfect and 1 imperfect interpolant sequences. [2018-07-23 13:43:36,385 INFO L324 seRefinementStrategy]: Number of different interpolants: perfect sequences [] imperfect sequences [208] total 208 [2018-07-23 13:43:36,385 INFO L142 lantAutomatonBuilder]: Constructing canonical interpolant automaton, with selfloop in false state [2018-07-23 13:43:36,385 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2018-07-23 13:43:36,386 INFO L185 omatonBuilderFactory]: Interpolants [111147#true, 111149#(<= ULTIMATE.start_main_~x~4 10), 111148#false, 111151#(<= ULTIMATE.start_main_~x~4 14), 111150#(<= ULTIMATE.start_main_~x~4 12), 111153#(<= ULTIMATE.start_main_~x~4 18), 111152#(<= ULTIMATE.start_main_~x~4 16), 111155#(<= ULTIMATE.start_main_~x~4 22), 111154#(<= ULTIMATE.start_main_~x~4 20), 111157#(<= ULTIMATE.start_main_~x~4 26), 111156#(<= ULTIMATE.start_main_~x~4 24), 111159#(<= ULTIMATE.start_main_~x~4 30), 111158#(<= ULTIMATE.start_main_~x~4 28), 111161#(<= ULTIMATE.start_main_~x~4 34), 111160#(<= ULTIMATE.start_main_~x~4 32), 111163#(<= ULTIMATE.start_main_~x~4 38), 111162#(<= ULTIMATE.start_main_~x~4 36), 111165#(<= ULTIMATE.start_main_~x~4 42), 111164#(<= ULTIMATE.start_main_~x~4 40), 111167#(<= ULTIMATE.start_main_~x~4 46), 111166#(<= ULTIMATE.start_main_~x~4 44), 111169#(<= ULTIMATE.start_main_~x~4 50), 111168#(<= ULTIMATE.start_main_~x~4 48), 111171#(<= ULTIMATE.start_main_~x~4 54), 111170#(<= ULTIMATE.start_main_~x~4 52), 111173#(<= ULTIMATE.start_main_~x~4 58), 111172#(<= ULTIMATE.start_main_~x~4 56), 111175#(<= ULTIMATE.start_main_~x~4 62), 111174#(<= ULTIMATE.start_main_~x~4 60), 111177#(<= ULTIMATE.start_main_~x~4 66), 111176#(<= ULTIMATE.start_main_~x~4 64), 111179#(<= ULTIMATE.start_main_~x~4 70), 111178#(<= ULTIMATE.start_main_~x~4 68), 111181#(<= ULTIMATE.start_main_~x~4 74), 111180#(<= ULTIMATE.start_main_~x~4 72), 111183#(<= ULTIMATE.start_main_~x~4 78), 111182#(<= ULTIMATE.start_main_~x~4 76), 111185#(<= ULTIMATE.start_main_~x~4 82), 111184#(<= ULTIMATE.start_main_~x~4 80), 111187#(<= ULTIMATE.start_main_~x~4 86), 111186#(<= ULTIMATE.start_main_~x~4 84), 111189#(<= ULTIMATE.start_main_~x~4 90), 111188#(<= ULTIMATE.start_main_~x~4 88), 111191#(<= ULTIMATE.start_main_~x~4 94), 111190#(<= ULTIMATE.start_main_~x~4 92), 111193#(<= ULTIMATE.start_main_~x~4 98), 111192#(<= ULTIMATE.start_main_~x~4 96), 111195#(<= ULTIMATE.start_main_~x~4 102), 111194#(<= ULTIMATE.start_main_~x~4 100), 111197#(<= ULTIMATE.start_main_~x~4 106), 111196#(<= ULTIMATE.start_main_~x~4 104), 111199#(<= ULTIMATE.start_main_~x~4 110), 111198#(<= ULTIMATE.start_main_~x~4 108), 111201#(<= ULTIMATE.start_main_~x~4 114), 111200#(<= ULTIMATE.start_main_~x~4 112), 111203#(<= ULTIMATE.start_main_~x~4 118), 111202#(<= ULTIMATE.start_main_~x~4 116), 111205#(<= ULTIMATE.start_main_~x~4 122), 111204#(<= ULTIMATE.start_main_~x~4 120), 111207#(<= ULTIMATE.start_main_~x~4 126), 111206#(<= ULTIMATE.start_main_~x~4 124), 111209#(<= ULTIMATE.start_main_~x~4 130), 111208#(<= ULTIMATE.start_main_~x~4 128), 111211#(<= ULTIMATE.start_main_~x~4 134), 111210#(<= ULTIMATE.start_main_~x~4 132), 111213#(<= ULTIMATE.start_main_~x~4 138), 111212#(<= ULTIMATE.start_main_~x~4 136), 111215#(<= ULTIMATE.start_main_~x~4 142), 111214#(<= ULTIMATE.start_main_~x~4 140), 111217#(<= ULTIMATE.start_main_~x~4 146), 111216#(<= ULTIMATE.start_main_~x~4 144), 111219#(<= ULTIMATE.start_main_~x~4 150), 111218#(<= ULTIMATE.start_main_~x~4 148), 111221#(<= ULTIMATE.start_main_~x~4 154), 111220#(<= ULTIMATE.start_main_~x~4 152), 111223#(<= ULTIMATE.start_main_~x~4 158), 111222#(<= ULTIMATE.start_main_~x~4 156), 111225#(<= ULTIMATE.start_main_~x~4 162), 111224#(<= ULTIMATE.start_main_~x~4 160), 111227#(<= ULTIMATE.start_main_~x~4 166), 111226#(<= ULTIMATE.start_main_~x~4 164), 111229#(<= ULTIMATE.start_main_~x~4 170), 111228#(<= ULTIMATE.start_main_~x~4 168), 111231#(<= ULTIMATE.start_main_~x~4 174), 111230#(<= ULTIMATE.start_main_~x~4 172), 111233#(<= ULTIMATE.start_main_~x~4 178), 111232#(<= ULTIMATE.start_main_~x~4 176), 111235#(<= ULTIMATE.start_main_~x~4 182), 111234#(<= ULTIMATE.start_main_~x~4 180), 111237#(<= ULTIMATE.start_main_~x~4 186), 111236#(<= ULTIMATE.start_main_~x~4 184), 111239#(<= ULTIMATE.start_main_~x~4 190), 111238#(<= ULTIMATE.start_main_~x~4 188), 111241#(<= ULTIMATE.start_main_~x~4 194), 111240#(<= ULTIMATE.start_main_~x~4 192), 111243#(<= ULTIMATE.start_main_~x~4 198), 111242#(<= ULTIMATE.start_main_~x~4 196), 111245#(<= ULTIMATE.start_main_~x~4 202), 111244#(<= ULTIMATE.start_main_~x~4 200), 111247#(<= ULTIMATE.start_main_~x~4 206), 111246#(<= ULTIMATE.start_main_~x~4 204), 111249#(<= ULTIMATE.start_main_~x~4 210), 111248#(<= ULTIMATE.start_main_~x~4 208), 111251#(<= ULTIMATE.start_main_~x~4 214), 111250#(<= ULTIMATE.start_main_~x~4 212), 111253#(<= ULTIMATE.start_main_~x~4 218), 111252#(<= ULTIMATE.start_main_~x~4 216), 111255#(<= ULTIMATE.start_main_~x~4 222), 111254#(<= ULTIMATE.start_main_~x~4 220), 111257#(<= ULTIMATE.start_main_~x~4 226), 111256#(<= ULTIMATE.start_main_~x~4 224), 111259#(<= ULTIMATE.start_main_~x~4 230), 111258#(<= ULTIMATE.start_main_~x~4 228), 111261#(<= ULTIMATE.start_main_~x~4 234), 111260#(<= ULTIMATE.start_main_~x~4 232), 111263#(<= ULTIMATE.start_main_~x~4 238), 111262#(<= ULTIMATE.start_main_~x~4 236), 111265#(<= ULTIMATE.start_main_~x~4 242), 111264#(<= ULTIMATE.start_main_~x~4 240), 111267#(<= ULTIMATE.start_main_~x~4 246), 111266#(<= ULTIMATE.start_main_~x~4 244), 111269#(<= ULTIMATE.start_main_~x~4 250), 111268#(<= ULTIMATE.start_main_~x~4 248), 111271#(<= ULTIMATE.start_main_~x~4 254), 111270#(<= ULTIMATE.start_main_~x~4 252), 111273#(<= ULTIMATE.start_main_~x~4 258), 111272#(<= ULTIMATE.start_main_~x~4 256), 111275#(<= ULTIMATE.start_main_~x~4 262), 111274#(<= ULTIMATE.start_main_~x~4 260), 111277#(<= ULTIMATE.start_main_~x~4 266), 111276#(<= ULTIMATE.start_main_~x~4 264), 111279#(<= ULTIMATE.start_main_~x~4 270), 111278#(<= ULTIMATE.start_main_~x~4 268), 111281#(<= ULTIMATE.start_main_~x~4 274), 111280#(<= ULTIMATE.start_main_~x~4 272), 111283#(<= ULTIMATE.start_main_~x~4 278), 111282#(<= ULTIMATE.start_main_~x~4 276), 111285#(<= ULTIMATE.start_main_~x~4 282), 111284#(<= ULTIMATE.start_main_~x~4 280), 111287#(<= ULTIMATE.start_main_~x~4 286), 111286#(<= ULTIMATE.start_main_~x~4 284), 111289#(<= ULTIMATE.start_main_~x~4 290), 111288#(<= ULTIMATE.start_main_~x~4 288), 111291#(<= ULTIMATE.start_main_~x~4 294), 111290#(<= ULTIMATE.start_main_~x~4 292), 111293#(<= ULTIMATE.start_main_~x~4 298), 111292#(<= ULTIMATE.start_main_~x~4 296), 111295#(<= ULTIMATE.start_main_~x~4 302), 111294#(<= ULTIMATE.start_main_~x~4 300), 111297#(<= ULTIMATE.start_main_~x~4 306), 111296#(<= ULTIMATE.start_main_~x~4 304), 111299#(<= ULTIMATE.start_main_~x~4 310), 111298#(<= ULTIMATE.start_main_~x~4 308), 111301#(<= ULTIMATE.start_main_~x~4 314), 111300#(<= ULTIMATE.start_main_~x~4 312), 111303#(<= ULTIMATE.start_main_~x~4 318), 111302#(<= ULTIMATE.start_main_~x~4 316), 111305#(<= ULTIMATE.start_main_~x~4 322), 111304#(<= ULTIMATE.start_main_~x~4 320), 111307#(<= ULTIMATE.start_main_~x~4 326), 111306#(<= ULTIMATE.start_main_~x~4 324), 111309#(<= ULTIMATE.start_main_~x~4 330), 111308#(<= ULTIMATE.start_main_~x~4 328), 111311#(<= ULTIMATE.start_main_~x~4 334), 111310#(<= ULTIMATE.start_main_~x~4 332), 111313#(<= ULTIMATE.start_main_~x~4 338), 111312#(<= ULTIMATE.start_main_~x~4 336), 111315#(<= ULTIMATE.start_main_~x~4 342), 111314#(<= ULTIMATE.start_main_~x~4 340), 111317#(<= ULTIMATE.start_main_~x~4 346), 111316#(<= ULTIMATE.start_main_~x~4 344), 111319#(<= ULTIMATE.start_main_~x~4 350), 111318#(<= ULTIMATE.start_main_~x~4 348), 111321#(<= ULTIMATE.start_main_~x~4 354), 111320#(<= ULTIMATE.start_main_~x~4 352), 111323#(<= ULTIMATE.start_main_~x~4 358), 111322#(<= ULTIMATE.start_main_~x~4 356), 111325#(<= ULTIMATE.start_main_~x~4 362), 111324#(<= ULTIMATE.start_main_~x~4 360), 111327#(<= ULTIMATE.start_main_~x~4 366), 111326#(<= ULTIMATE.start_main_~x~4 364), 111329#(<= ULTIMATE.start_main_~x~4 370), 111328#(<= ULTIMATE.start_main_~x~4 368), 111331#(<= ULTIMATE.start_main_~x~4 374), 111330#(<= ULTIMATE.start_main_~x~4 372), 111333#(<= ULTIMATE.start_main_~x~4 378), 111332#(<= ULTIMATE.start_main_~x~4 376), 111335#(<= ULTIMATE.start_main_~x~4 382), 111334#(<= ULTIMATE.start_main_~x~4 380), 111337#(<= ULTIMATE.start_main_~x~4 386), 111336#(<= ULTIMATE.start_main_~x~4 384), 111339#(<= ULTIMATE.start_main_~x~4 390), 111338#(<= ULTIMATE.start_main_~x~4 388), 111341#(<= ULTIMATE.start_main_~x~4 394), 111340#(<= ULTIMATE.start_main_~x~4 392), 111343#(<= ULTIMATE.start_main_~x~4 398), 111342#(<= ULTIMATE.start_main_~x~4 396), 111345#(<= ULTIMATE.start_main_~x~4 402), 111344#(<= ULTIMATE.start_main_~x~4 400), 111347#(<= ULTIMATE.start_main_~x~4 406), 111346#(<= ULTIMATE.start_main_~x~4 404), 111349#(<= ULTIMATE.start_main_~x~4 410), 111348#(<= ULTIMATE.start_main_~x~4 408), 111351#(<= ULTIMATE.start_main_~x~4 414), 111350#(<= ULTIMATE.start_main_~x~4 412), 111353#(<= ULTIMATE.start_main_~x~4 418), 111352#(<= ULTIMATE.start_main_~x~4 416), 111355#(<= ULTIMATE.start_main_~x~4 422), 111354#(<= ULTIMATE.start_main_~x~4 420)] [2018-07-23 13:43:36,386 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 13:43:36,387 INFO L450 AbstractCegarLoop]: Interpolant automaton has 209 states [2018-07-23 13:43:36,388 INFO L132 InterpolantAutomaton]: Constructing interpolant automaton starting with 209 interpolants. [2018-07-23 13:43:36,389 INFO L133 InterpolantAutomaton]: CoverageRelationStatistics Valid=21736, Invalid=21736, Unknown=0, NotChecked=0, Total=43472 [2018-07-23 13:43:36,390 INFO L87 Difference]: Start difference. First operand 210 states and 210 transitions. Second operand 209 states. [2018-07-23 13:43:37,467 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2018-07-23 13:43:37,468 INFO L93 Difference]: Finished difference Result 213 states and 213 transitions. [2018-07-23 13:43:37,468 INFO L142 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 209 states. [2018-07-23 13:43:37,468 INFO L78 Accepts]: Start accepts. Automaton has 209 states. Word has length 209 [2018-07-23 13:43:37,468 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2018-07-23 13:43:37,468 INFO L225 Difference]: With dead ends: 213 [2018-07-23 13:43:37,468 INFO L226 Difference]: Without dead ends: 211 [2018-07-23 13:43:37,470 INFO L575 BasicCegarLoop]: 0 DeclaredPredicates, 208 GetRequests, 1 SyntacticMatches, 0 SemanticMatches, 207 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 0 ImplicationChecksByTransitivity, 0.8s TimeCoverageRelationStatistics Valid=21736, Invalid=21736, Unknown=0, NotChecked=0, Total=43472 [2018-07-23 13:43:37,470 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 211 states. [2018-07-23 13:43:37,472 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 211 to 211. [2018-07-23 13:43:37,472 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 211 states. [2018-07-23 13:43:37,472 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 211 states to 211 states and 211 transitions. [2018-07-23 13:43:37,472 INFO L78 Accepts]: Start accepts. Automaton has 211 states and 211 transitions. Word has length 209 [2018-07-23 13:43:37,472 INFO L84 Accepts]: Finished accepts. word is rejected. [2018-07-23 13:43:37,472 INFO L471 AbstractCegarLoop]: Abstraction has 211 states and 211 transitions. [2018-07-23 13:43:37,472 INFO L472 AbstractCegarLoop]: Interpolant automaton has 209 states. [2018-07-23 13:43:37,473 INFO L276 IsEmpty]: Start isEmpty. Operand 211 states and 211 transitions. [2018-07-23 13:43:37,473 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 211 [2018-07-23 13:43:37,473 INFO L349 BasicCegarLoop]: Found error trace [2018-07-23 13:43:37,473 INFO L357 BasicCegarLoop]: trace histogram [207, 1, 1, 1] [2018-07-23 13:43:37,473 INFO L414 AbstractCegarLoop]: === Iteration 208 === [ULTIMATE.startErr0AssertViolationASSERT]=== [2018-07-23 13:43:37,473 INFO L82 PathProgramCache]: Analyzing trace with hash 2039580936, now seen corresponding path program 207 times [2018-07-23 13:43:37,473 INFO L69 tionRefinementEngine]: Using refinement strategy FixedRefinementStrategy [2018-07-23 13:43:37,488 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-07-23 13:43:38,378 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 13:43:38,379 INFO L309 seRefinementStrategy]: Constructing automaton from 0 perfect and 1 imperfect interpolant sequences. [2018-07-23 13:43:38,379 INFO L324 seRefinementStrategy]: Number of different interpolants: perfect sequences [] imperfect sequences [209] total 209 [2018-07-23 13:43:38,379 INFO L142 lantAutomatonBuilder]: Constructing canonical interpolant automaton, with selfloop in false state [2018-07-23 13:43:38,379 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2018-07-23 13:43:38,380 INFO L185 omatonBuilderFactory]: Interpolants [112205#false, 112204#true, 112207#(<= ULTIMATE.start_main_~x~4 12), 112206#(<= ULTIMATE.start_main_~x~4 10), 112209#(<= ULTIMATE.start_main_~x~4 16), 112208#(<= ULTIMATE.start_main_~x~4 14), 112211#(<= ULTIMATE.start_main_~x~4 20), 112210#(<= ULTIMATE.start_main_~x~4 18), 112213#(<= ULTIMATE.start_main_~x~4 24), 112212#(<= ULTIMATE.start_main_~x~4 22), 112215#(<= ULTIMATE.start_main_~x~4 28), 112214#(<= ULTIMATE.start_main_~x~4 26), 112217#(<= ULTIMATE.start_main_~x~4 32), 112216#(<= ULTIMATE.start_main_~x~4 30), 112219#(<= ULTIMATE.start_main_~x~4 36), 112218#(<= ULTIMATE.start_main_~x~4 34), 112221#(<= ULTIMATE.start_main_~x~4 40), 112220#(<= ULTIMATE.start_main_~x~4 38), 112223#(<= ULTIMATE.start_main_~x~4 44), 112222#(<= ULTIMATE.start_main_~x~4 42), 112225#(<= ULTIMATE.start_main_~x~4 48), 112224#(<= ULTIMATE.start_main_~x~4 46), 112227#(<= ULTIMATE.start_main_~x~4 52), 112226#(<= ULTIMATE.start_main_~x~4 50), 112229#(<= ULTIMATE.start_main_~x~4 56), 112228#(<= ULTIMATE.start_main_~x~4 54), 112231#(<= ULTIMATE.start_main_~x~4 60), 112230#(<= ULTIMATE.start_main_~x~4 58), 112233#(<= ULTIMATE.start_main_~x~4 64), 112232#(<= ULTIMATE.start_main_~x~4 62), 112235#(<= ULTIMATE.start_main_~x~4 68), 112234#(<= ULTIMATE.start_main_~x~4 66), 112237#(<= ULTIMATE.start_main_~x~4 72), 112236#(<= ULTIMATE.start_main_~x~4 70), 112239#(<= ULTIMATE.start_main_~x~4 76), 112238#(<= ULTIMATE.start_main_~x~4 74), 112241#(<= ULTIMATE.start_main_~x~4 80), 112240#(<= ULTIMATE.start_main_~x~4 78), 112243#(<= ULTIMATE.start_main_~x~4 84), 112242#(<= ULTIMATE.start_main_~x~4 82), 112245#(<= ULTIMATE.start_main_~x~4 88), 112244#(<= ULTIMATE.start_main_~x~4 86), 112247#(<= ULTIMATE.start_main_~x~4 92), 112246#(<= ULTIMATE.start_main_~x~4 90), 112249#(<= ULTIMATE.start_main_~x~4 96), 112248#(<= ULTIMATE.start_main_~x~4 94), 112251#(<= ULTIMATE.start_main_~x~4 100), 112250#(<= ULTIMATE.start_main_~x~4 98), 112253#(<= ULTIMATE.start_main_~x~4 104), 112252#(<= ULTIMATE.start_main_~x~4 102), 112255#(<= ULTIMATE.start_main_~x~4 108), 112254#(<= ULTIMATE.start_main_~x~4 106), 112257#(<= ULTIMATE.start_main_~x~4 112), 112256#(<= ULTIMATE.start_main_~x~4 110), 112259#(<= ULTIMATE.start_main_~x~4 116), 112258#(<= ULTIMATE.start_main_~x~4 114), 112261#(<= ULTIMATE.start_main_~x~4 120), 112260#(<= ULTIMATE.start_main_~x~4 118), 112263#(<= ULTIMATE.start_main_~x~4 124), 112262#(<= ULTIMATE.start_main_~x~4 122), 112265#(<= ULTIMATE.start_main_~x~4 128), 112264#(<= ULTIMATE.start_main_~x~4 126), 112267#(<= ULTIMATE.start_main_~x~4 132), 112266#(<= ULTIMATE.start_main_~x~4 130), 112269#(<= ULTIMATE.start_main_~x~4 136), 112268#(<= ULTIMATE.start_main_~x~4 134), 112271#(<= ULTIMATE.start_main_~x~4 140), 112270#(<= ULTIMATE.start_main_~x~4 138), 112273#(<= ULTIMATE.start_main_~x~4 144), 112272#(<= ULTIMATE.start_main_~x~4 142), 112275#(<= ULTIMATE.start_main_~x~4 148), 112274#(<= ULTIMATE.start_main_~x~4 146), 112277#(<= ULTIMATE.start_main_~x~4 152), 112276#(<= ULTIMATE.start_main_~x~4 150), 112279#(<= ULTIMATE.start_main_~x~4 156), 112278#(<= ULTIMATE.start_main_~x~4 154), 112281#(<= ULTIMATE.start_main_~x~4 160), 112280#(<= ULTIMATE.start_main_~x~4 158), 112283#(<= ULTIMATE.start_main_~x~4 164), 112282#(<= ULTIMATE.start_main_~x~4 162), 112285#(<= ULTIMATE.start_main_~x~4 168), 112284#(<= ULTIMATE.start_main_~x~4 166), 112287#(<= ULTIMATE.start_main_~x~4 172), 112286#(<= ULTIMATE.start_main_~x~4 170), 112289#(<= ULTIMATE.start_main_~x~4 176), 112288#(<= ULTIMATE.start_main_~x~4 174), 112291#(<= ULTIMATE.start_main_~x~4 180), 112290#(<= ULTIMATE.start_main_~x~4 178), 112293#(<= ULTIMATE.start_main_~x~4 184), 112292#(<= ULTIMATE.start_main_~x~4 182), 112295#(<= ULTIMATE.start_main_~x~4 188), 112294#(<= ULTIMATE.start_main_~x~4 186), 112297#(<= ULTIMATE.start_main_~x~4 192), 112296#(<= ULTIMATE.start_main_~x~4 190), 112299#(<= ULTIMATE.start_main_~x~4 196), 112298#(<= ULTIMATE.start_main_~x~4 194), 112301#(<= ULTIMATE.start_main_~x~4 200), 112300#(<= ULTIMATE.start_main_~x~4 198), 112303#(<= ULTIMATE.start_main_~x~4 204), 112302#(<= ULTIMATE.start_main_~x~4 202), 112305#(<= ULTIMATE.start_main_~x~4 208), 112304#(<= ULTIMATE.start_main_~x~4 206), 112307#(<= ULTIMATE.start_main_~x~4 212), 112306#(<= ULTIMATE.start_main_~x~4 210), 112309#(<= ULTIMATE.start_main_~x~4 216), 112308#(<= ULTIMATE.start_main_~x~4 214), 112311#(<= ULTIMATE.start_main_~x~4 220), 112310#(<= ULTIMATE.start_main_~x~4 218), 112313#(<= ULTIMATE.start_main_~x~4 224), 112312#(<= ULTIMATE.start_main_~x~4 222), 112315#(<= ULTIMATE.start_main_~x~4 228), 112314#(<= ULTIMATE.start_main_~x~4 226), 112317#(<= ULTIMATE.start_main_~x~4 232), 112316#(<= ULTIMATE.start_main_~x~4 230), 112319#(<= ULTIMATE.start_main_~x~4 236), 112318#(<= ULTIMATE.start_main_~x~4 234), 112321#(<= ULTIMATE.start_main_~x~4 240), 112320#(<= ULTIMATE.start_main_~x~4 238), 112323#(<= ULTIMATE.start_main_~x~4 244), 112322#(<= ULTIMATE.start_main_~x~4 242), 112325#(<= ULTIMATE.start_main_~x~4 248), 112324#(<= ULTIMATE.start_main_~x~4 246), 112327#(<= ULTIMATE.start_main_~x~4 252), 112326#(<= ULTIMATE.start_main_~x~4 250), 112329#(<= ULTIMATE.start_main_~x~4 256), 112328#(<= ULTIMATE.start_main_~x~4 254), 112331#(<= ULTIMATE.start_main_~x~4 260), 112330#(<= ULTIMATE.start_main_~x~4 258), 112333#(<= ULTIMATE.start_main_~x~4 264), 112332#(<= ULTIMATE.start_main_~x~4 262), 112335#(<= ULTIMATE.start_main_~x~4 268), 112334#(<= ULTIMATE.start_main_~x~4 266), 112337#(<= ULTIMATE.start_main_~x~4 272), 112336#(<= ULTIMATE.start_main_~x~4 270), 112339#(<= ULTIMATE.start_main_~x~4 276), 112338#(<= ULTIMATE.start_main_~x~4 274), 112341#(<= ULTIMATE.start_main_~x~4 280), 112340#(<= ULTIMATE.start_main_~x~4 278), 112343#(<= ULTIMATE.start_main_~x~4 284), 112342#(<= ULTIMATE.start_main_~x~4 282), 112345#(<= ULTIMATE.start_main_~x~4 288), 112344#(<= ULTIMATE.start_main_~x~4 286), 112347#(<= ULTIMATE.start_main_~x~4 292), 112346#(<= ULTIMATE.start_main_~x~4 290), 112349#(<= ULTIMATE.start_main_~x~4 296), 112348#(<= ULTIMATE.start_main_~x~4 294), 112351#(<= ULTIMATE.start_main_~x~4 300), 112350#(<= ULTIMATE.start_main_~x~4 298), 112353#(<= ULTIMATE.start_main_~x~4 304), 112352#(<= ULTIMATE.start_main_~x~4 302), 112355#(<= ULTIMATE.start_main_~x~4 308), 112354#(<= ULTIMATE.start_main_~x~4 306), 112357#(<= ULTIMATE.start_main_~x~4 312), 112356#(<= ULTIMATE.start_main_~x~4 310), 112359#(<= ULTIMATE.start_main_~x~4 316), 112358#(<= ULTIMATE.start_main_~x~4 314), 112361#(<= ULTIMATE.start_main_~x~4 320), 112360#(<= ULTIMATE.start_main_~x~4 318), 112363#(<= ULTIMATE.start_main_~x~4 324), 112362#(<= ULTIMATE.start_main_~x~4 322), 112365#(<= ULTIMATE.start_main_~x~4 328), 112364#(<= ULTIMATE.start_main_~x~4 326), 112367#(<= ULTIMATE.start_main_~x~4 332), 112366#(<= ULTIMATE.start_main_~x~4 330), 112369#(<= ULTIMATE.start_main_~x~4 336), 112368#(<= ULTIMATE.start_main_~x~4 334), 112371#(<= ULTIMATE.start_main_~x~4 340), 112370#(<= ULTIMATE.start_main_~x~4 338), 112373#(<= ULTIMATE.start_main_~x~4 344), 112372#(<= ULTIMATE.start_main_~x~4 342), 112375#(<= ULTIMATE.start_main_~x~4 348), 112374#(<= ULTIMATE.start_main_~x~4 346), 112377#(<= ULTIMATE.start_main_~x~4 352), 112376#(<= ULTIMATE.start_main_~x~4 350), 112379#(<= ULTIMATE.start_main_~x~4 356), 112378#(<= ULTIMATE.start_main_~x~4 354), 112381#(<= ULTIMATE.start_main_~x~4 360), 112380#(<= ULTIMATE.start_main_~x~4 358), 112383#(<= ULTIMATE.start_main_~x~4 364), 112382#(<= ULTIMATE.start_main_~x~4 362), 112385#(<= ULTIMATE.start_main_~x~4 368), 112384#(<= ULTIMATE.start_main_~x~4 366), 112387#(<= ULTIMATE.start_main_~x~4 372), 112386#(<= ULTIMATE.start_main_~x~4 370), 112389#(<= ULTIMATE.start_main_~x~4 376), 112388#(<= ULTIMATE.start_main_~x~4 374), 112391#(<= ULTIMATE.start_main_~x~4 380), 112390#(<= ULTIMATE.start_main_~x~4 378), 112393#(<= ULTIMATE.start_main_~x~4 384), 112392#(<= ULTIMATE.start_main_~x~4 382), 112395#(<= ULTIMATE.start_main_~x~4 388), 112394#(<= ULTIMATE.start_main_~x~4 386), 112397#(<= ULTIMATE.start_main_~x~4 392), 112396#(<= ULTIMATE.start_main_~x~4 390), 112399#(<= ULTIMATE.start_main_~x~4 396), 112398#(<= ULTIMATE.start_main_~x~4 394), 112401#(<= ULTIMATE.start_main_~x~4 400), 112400#(<= ULTIMATE.start_main_~x~4 398), 112403#(<= ULTIMATE.start_main_~x~4 404), 112402#(<= ULTIMATE.start_main_~x~4 402), 112405#(<= ULTIMATE.start_main_~x~4 408), 112404#(<= ULTIMATE.start_main_~x~4 406), 112407#(<= ULTIMATE.start_main_~x~4 412), 112406#(<= ULTIMATE.start_main_~x~4 410), 112409#(<= ULTIMATE.start_main_~x~4 416), 112408#(<= ULTIMATE.start_main_~x~4 414), 112411#(<= ULTIMATE.start_main_~x~4 420), 112410#(<= ULTIMATE.start_main_~x~4 418), 112413#(<= ULTIMATE.start_main_~x~4 424), 112412#(<= ULTIMATE.start_main_~x~4 422)] [2018-07-23 13:43:38,381 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 13:43:38,381 INFO L450 AbstractCegarLoop]: Interpolant automaton has 210 states [2018-07-23 13:43:38,384 INFO L132 InterpolantAutomaton]: Constructing interpolant automaton starting with 210 interpolants. [2018-07-23 13:43:38,387 INFO L133 InterpolantAutomaton]: CoverageRelationStatistics Valid=21945, Invalid=21945, Unknown=0, NotChecked=0, Total=43890 [2018-07-23 13:43:38,387 INFO L87 Difference]: Start difference. First operand 211 states and 211 transitions. Second operand 210 states. [2018-07-23 13:43:39,364 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2018-07-23 13:43:39,365 INFO L93 Difference]: Finished difference Result 214 states and 214 transitions. [2018-07-23 13:43:39,365 INFO L142 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 210 states. [2018-07-23 13:43:39,365 INFO L78 Accepts]: Start accepts. Automaton has 210 states. Word has length 210 [2018-07-23 13:43:39,365 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2018-07-23 13:43:39,365 INFO L225 Difference]: With dead ends: 214 [2018-07-23 13:43:39,365 INFO L226 Difference]: Without dead ends: 212 [2018-07-23 13:43:39,369 INFO L575 BasicCegarLoop]: 0 DeclaredPredicates, 209 GetRequests, 1 SyntacticMatches, 0 SemanticMatches, 208 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 0 ImplicationChecksByTransitivity, 0.8s TimeCoverageRelationStatistics Valid=21945, Invalid=21945, Unknown=0, NotChecked=0, Total=43890 [2018-07-23 13:43:39,369 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 212 states. [2018-07-23 13:43:39,372 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 212 to 212. [2018-07-23 13:43:39,372 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 212 states. [2018-07-23 13:43:39,373 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 212 states to 212 states and 212 transitions. [2018-07-23 13:43:39,373 INFO L78 Accepts]: Start accepts. Automaton has 212 states and 212 transitions. Word has length 210 [2018-07-23 13:43:39,373 INFO L84 Accepts]: Finished accepts. word is rejected. [2018-07-23 13:43:39,373 INFO L471 AbstractCegarLoop]: Abstraction has 212 states and 212 transitions. [2018-07-23 13:43:39,373 INFO L472 AbstractCegarLoop]: Interpolant automaton has 210 states. [2018-07-23 13:43:39,373 INFO L276 IsEmpty]: Start isEmpty. Operand 212 states and 212 transitions. [2018-07-23 13:43:39,374 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 212 [2018-07-23 13:43:39,374 INFO L349 BasicCegarLoop]: Found error trace [2018-07-23 13:43:39,374 INFO L357 BasicCegarLoop]: trace histogram [208, 1, 1, 1] [2018-07-23 13:43:39,375 INFO L414 AbstractCegarLoop]: === Iteration 209 === [ULTIMATE.startErr0AssertViolationASSERT]=== [2018-07-23 13:43:39,375 INFO L82 PathProgramCache]: Analyzing trace with hash -1197502399, now seen corresponding path program 208 times [2018-07-23 13:43:39,375 INFO L69 tionRefinementEngine]: Using refinement strategy FixedRefinementStrategy [2018-07-23 13:43:39,403 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-07-23 13:43:40,632 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 13:43:40,632 INFO L309 seRefinementStrategy]: Constructing automaton from 0 perfect and 1 imperfect interpolant sequences. [2018-07-23 13:43:40,632 INFO L324 seRefinementStrategy]: Number of different interpolants: perfect sequences [] imperfect sequences [210] total 210 [2018-07-23 13:43:40,632 INFO L142 lantAutomatonBuilder]: Constructing canonical interpolant automaton, with selfloop in false state [2018-07-23 13:43:40,632 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2018-07-23 13:43:40,633 INFO L185 omatonBuilderFactory]: Interpolants [113267#false, 113266#true, 113269#(<= ULTIMATE.start_main_~x~4 12), 113268#(<= ULTIMATE.start_main_~x~4 10), 113271#(<= ULTIMATE.start_main_~x~4 16), 113270#(<= ULTIMATE.start_main_~x~4 14), 113273#(<= ULTIMATE.start_main_~x~4 20), 113272#(<= ULTIMATE.start_main_~x~4 18), 113275#(<= ULTIMATE.start_main_~x~4 24), 113274#(<= ULTIMATE.start_main_~x~4 22), 113277#(<= ULTIMATE.start_main_~x~4 28), 113276#(<= ULTIMATE.start_main_~x~4 26), 113279#(<= ULTIMATE.start_main_~x~4 32), 113278#(<= ULTIMATE.start_main_~x~4 30), 113281#(<= ULTIMATE.start_main_~x~4 36), 113280#(<= ULTIMATE.start_main_~x~4 34), 113283#(<= ULTIMATE.start_main_~x~4 40), 113282#(<= ULTIMATE.start_main_~x~4 38), 113285#(<= ULTIMATE.start_main_~x~4 44), 113284#(<= ULTIMATE.start_main_~x~4 42), 113287#(<= ULTIMATE.start_main_~x~4 48), 113286#(<= ULTIMATE.start_main_~x~4 46), 113289#(<= ULTIMATE.start_main_~x~4 52), 113288#(<= ULTIMATE.start_main_~x~4 50), 113291#(<= ULTIMATE.start_main_~x~4 56), 113290#(<= ULTIMATE.start_main_~x~4 54), 113293#(<= ULTIMATE.start_main_~x~4 60), 113292#(<= ULTIMATE.start_main_~x~4 58), 113295#(<= ULTIMATE.start_main_~x~4 64), 113294#(<= ULTIMATE.start_main_~x~4 62), 113297#(<= ULTIMATE.start_main_~x~4 68), 113296#(<= ULTIMATE.start_main_~x~4 66), 113299#(<= ULTIMATE.start_main_~x~4 72), 113298#(<= ULTIMATE.start_main_~x~4 70), 113301#(<= ULTIMATE.start_main_~x~4 76), 113300#(<= ULTIMATE.start_main_~x~4 74), 113303#(<= ULTIMATE.start_main_~x~4 80), 113302#(<= ULTIMATE.start_main_~x~4 78), 113305#(<= ULTIMATE.start_main_~x~4 84), 113304#(<= ULTIMATE.start_main_~x~4 82), 113307#(<= ULTIMATE.start_main_~x~4 88), 113306#(<= ULTIMATE.start_main_~x~4 86), 113309#(<= ULTIMATE.start_main_~x~4 92), 113308#(<= ULTIMATE.start_main_~x~4 90), 113311#(<= ULTIMATE.start_main_~x~4 96), 113310#(<= ULTIMATE.start_main_~x~4 94), 113313#(<= ULTIMATE.start_main_~x~4 100), 113312#(<= ULTIMATE.start_main_~x~4 98), 113315#(<= ULTIMATE.start_main_~x~4 104), 113314#(<= ULTIMATE.start_main_~x~4 102), 113317#(<= ULTIMATE.start_main_~x~4 108), 113316#(<= ULTIMATE.start_main_~x~4 106), 113319#(<= ULTIMATE.start_main_~x~4 112), 113318#(<= ULTIMATE.start_main_~x~4 110), 113321#(<= ULTIMATE.start_main_~x~4 116), 113320#(<= ULTIMATE.start_main_~x~4 114), 113323#(<= ULTIMATE.start_main_~x~4 120), 113322#(<= ULTIMATE.start_main_~x~4 118), 113325#(<= ULTIMATE.start_main_~x~4 124), 113324#(<= ULTIMATE.start_main_~x~4 122), 113327#(<= ULTIMATE.start_main_~x~4 128), 113326#(<= ULTIMATE.start_main_~x~4 126), 113329#(<= ULTIMATE.start_main_~x~4 132), 113328#(<= ULTIMATE.start_main_~x~4 130), 113331#(<= ULTIMATE.start_main_~x~4 136), 113330#(<= ULTIMATE.start_main_~x~4 134), 113333#(<= ULTIMATE.start_main_~x~4 140), 113332#(<= ULTIMATE.start_main_~x~4 138), 113335#(<= ULTIMATE.start_main_~x~4 144), 113334#(<= ULTIMATE.start_main_~x~4 142), 113337#(<= ULTIMATE.start_main_~x~4 148), 113336#(<= ULTIMATE.start_main_~x~4 146), 113339#(<= ULTIMATE.start_main_~x~4 152), 113338#(<= ULTIMATE.start_main_~x~4 150), 113341#(<= ULTIMATE.start_main_~x~4 156), 113340#(<= ULTIMATE.start_main_~x~4 154), 113343#(<= ULTIMATE.start_main_~x~4 160), 113342#(<= ULTIMATE.start_main_~x~4 158), 113345#(<= ULTIMATE.start_main_~x~4 164), 113344#(<= ULTIMATE.start_main_~x~4 162), 113347#(<= ULTIMATE.start_main_~x~4 168), 113346#(<= ULTIMATE.start_main_~x~4 166), 113349#(<= ULTIMATE.start_main_~x~4 172), 113348#(<= ULTIMATE.start_main_~x~4 170), 113351#(<= ULTIMATE.start_main_~x~4 176), 113350#(<= ULTIMATE.start_main_~x~4 174), 113353#(<= ULTIMATE.start_main_~x~4 180), 113352#(<= ULTIMATE.start_main_~x~4 178), 113355#(<= ULTIMATE.start_main_~x~4 184), 113354#(<= ULTIMATE.start_main_~x~4 182), 113357#(<= ULTIMATE.start_main_~x~4 188), 113356#(<= ULTIMATE.start_main_~x~4 186), 113359#(<= ULTIMATE.start_main_~x~4 192), 113358#(<= ULTIMATE.start_main_~x~4 190), 113361#(<= ULTIMATE.start_main_~x~4 196), 113360#(<= ULTIMATE.start_main_~x~4 194), 113363#(<= ULTIMATE.start_main_~x~4 200), 113362#(<= ULTIMATE.start_main_~x~4 198), 113365#(<= ULTIMATE.start_main_~x~4 204), 113364#(<= ULTIMATE.start_main_~x~4 202), 113367#(<= ULTIMATE.start_main_~x~4 208), 113366#(<= ULTIMATE.start_main_~x~4 206), 113369#(<= ULTIMATE.start_main_~x~4 212), 113368#(<= ULTIMATE.start_main_~x~4 210), 113371#(<= ULTIMATE.start_main_~x~4 216), 113370#(<= ULTIMATE.start_main_~x~4 214), 113373#(<= ULTIMATE.start_main_~x~4 220), 113372#(<= ULTIMATE.start_main_~x~4 218), 113375#(<= ULTIMATE.start_main_~x~4 224), 113374#(<= ULTIMATE.start_main_~x~4 222), 113377#(<= ULTIMATE.start_main_~x~4 228), 113376#(<= ULTIMATE.start_main_~x~4 226), 113379#(<= ULTIMATE.start_main_~x~4 232), 113378#(<= ULTIMATE.start_main_~x~4 230), 113381#(<= ULTIMATE.start_main_~x~4 236), 113380#(<= ULTIMATE.start_main_~x~4 234), 113383#(<= ULTIMATE.start_main_~x~4 240), 113382#(<= ULTIMATE.start_main_~x~4 238), 113385#(<= ULTIMATE.start_main_~x~4 244), 113384#(<= ULTIMATE.start_main_~x~4 242), 113387#(<= ULTIMATE.start_main_~x~4 248), 113386#(<= ULTIMATE.start_main_~x~4 246), 113389#(<= ULTIMATE.start_main_~x~4 252), 113388#(<= ULTIMATE.start_main_~x~4 250), 113391#(<= ULTIMATE.start_main_~x~4 256), 113390#(<= ULTIMATE.start_main_~x~4 254), 113393#(<= ULTIMATE.start_main_~x~4 260), 113392#(<= ULTIMATE.start_main_~x~4 258), 113395#(<= ULTIMATE.start_main_~x~4 264), 113394#(<= ULTIMATE.start_main_~x~4 262), 113397#(<= ULTIMATE.start_main_~x~4 268), 113396#(<= ULTIMATE.start_main_~x~4 266), 113399#(<= ULTIMATE.start_main_~x~4 272), 113398#(<= ULTIMATE.start_main_~x~4 270), 113401#(<= ULTIMATE.start_main_~x~4 276), 113400#(<= ULTIMATE.start_main_~x~4 274), 113403#(<= ULTIMATE.start_main_~x~4 280), 113402#(<= ULTIMATE.start_main_~x~4 278), 113405#(<= ULTIMATE.start_main_~x~4 284), 113404#(<= ULTIMATE.start_main_~x~4 282), 113407#(<= ULTIMATE.start_main_~x~4 288), 113406#(<= ULTIMATE.start_main_~x~4 286), 113409#(<= ULTIMATE.start_main_~x~4 292), 113408#(<= ULTIMATE.start_main_~x~4 290), 113411#(<= ULTIMATE.start_main_~x~4 296), 113410#(<= ULTIMATE.start_main_~x~4 294), 113413#(<= ULTIMATE.start_main_~x~4 300), 113412#(<= ULTIMATE.start_main_~x~4 298), 113415#(<= ULTIMATE.start_main_~x~4 304), 113414#(<= ULTIMATE.start_main_~x~4 302), 113417#(<= ULTIMATE.start_main_~x~4 308), 113416#(<= ULTIMATE.start_main_~x~4 306), 113419#(<= ULTIMATE.start_main_~x~4 312), 113418#(<= ULTIMATE.start_main_~x~4 310), 113421#(<= ULTIMATE.start_main_~x~4 316), 113420#(<= ULTIMATE.start_main_~x~4 314), 113423#(<= ULTIMATE.start_main_~x~4 320), 113422#(<= ULTIMATE.start_main_~x~4 318), 113425#(<= ULTIMATE.start_main_~x~4 324), 113424#(<= ULTIMATE.start_main_~x~4 322), 113427#(<= ULTIMATE.start_main_~x~4 328), 113426#(<= ULTIMATE.start_main_~x~4 326), 113429#(<= ULTIMATE.start_main_~x~4 332), 113428#(<= ULTIMATE.start_main_~x~4 330), 113431#(<= ULTIMATE.start_main_~x~4 336), 113430#(<= ULTIMATE.start_main_~x~4 334), 113433#(<= ULTIMATE.start_main_~x~4 340), 113432#(<= ULTIMATE.start_main_~x~4 338), 113435#(<= ULTIMATE.start_main_~x~4 344), 113434#(<= ULTIMATE.start_main_~x~4 342), 113437#(<= ULTIMATE.start_main_~x~4 348), 113436#(<= ULTIMATE.start_main_~x~4 346), 113439#(<= ULTIMATE.start_main_~x~4 352), 113438#(<= ULTIMATE.start_main_~x~4 350), 113441#(<= ULTIMATE.start_main_~x~4 356), 113440#(<= ULTIMATE.start_main_~x~4 354), 113443#(<= ULTIMATE.start_main_~x~4 360), 113442#(<= ULTIMATE.start_main_~x~4 358), 113445#(<= ULTIMATE.start_main_~x~4 364), 113444#(<= ULTIMATE.start_main_~x~4 362), 113447#(<= ULTIMATE.start_main_~x~4 368), 113446#(<= ULTIMATE.start_main_~x~4 366), 113449#(<= ULTIMATE.start_main_~x~4 372), 113448#(<= ULTIMATE.start_main_~x~4 370), 113451#(<= ULTIMATE.start_main_~x~4 376), 113450#(<= ULTIMATE.start_main_~x~4 374), 113453#(<= ULTIMATE.start_main_~x~4 380), 113452#(<= ULTIMATE.start_main_~x~4 378), 113455#(<= ULTIMATE.start_main_~x~4 384), 113454#(<= ULTIMATE.start_main_~x~4 382), 113457#(<= ULTIMATE.start_main_~x~4 388), 113456#(<= ULTIMATE.start_main_~x~4 386), 113459#(<= ULTIMATE.start_main_~x~4 392), 113458#(<= ULTIMATE.start_main_~x~4 390), 113461#(<= ULTIMATE.start_main_~x~4 396), 113460#(<= ULTIMATE.start_main_~x~4 394), 113463#(<= ULTIMATE.start_main_~x~4 400), 113462#(<= ULTIMATE.start_main_~x~4 398), 113465#(<= ULTIMATE.start_main_~x~4 404), 113464#(<= ULTIMATE.start_main_~x~4 402), 113467#(<= ULTIMATE.start_main_~x~4 408), 113466#(<= ULTIMATE.start_main_~x~4 406), 113469#(<= ULTIMATE.start_main_~x~4 412), 113468#(<= ULTIMATE.start_main_~x~4 410), 113471#(<= ULTIMATE.start_main_~x~4 416), 113470#(<= ULTIMATE.start_main_~x~4 414), 113473#(<= ULTIMATE.start_main_~x~4 420), 113472#(<= ULTIMATE.start_main_~x~4 418), 113475#(<= ULTIMATE.start_main_~x~4 424), 113474#(<= ULTIMATE.start_main_~x~4 422), 113476#(<= ULTIMATE.start_main_~x~4 426)] [2018-07-23 13:43:40,634 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 13:43:40,634 INFO L450 AbstractCegarLoop]: Interpolant automaton has 211 states [2018-07-23 13:43:40,638 INFO L132 InterpolantAutomaton]: Constructing interpolant automaton starting with 211 interpolants. [2018-07-23 13:43:40,640 INFO L133 InterpolantAutomaton]: CoverageRelationStatistics Valid=22155, Invalid=22155, Unknown=0, NotChecked=0, Total=44310 [2018-07-23 13:43:40,641 INFO L87 Difference]: Start difference. First operand 212 states and 212 transitions. Second operand 211 states. [2018-07-23 13:43:41,336 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2018-07-23 13:43:41,337 INFO L93 Difference]: Finished difference Result 215 states and 215 transitions. [2018-07-23 13:43:41,337 INFO L142 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 211 states. [2018-07-23 13:43:41,337 INFO L78 Accepts]: Start accepts. Automaton has 211 states. Word has length 211 [2018-07-23 13:43:41,337 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2018-07-23 13:43:41,337 INFO L225 Difference]: With dead ends: 215 [2018-07-23 13:43:41,338 INFO L226 Difference]: Without dead ends: 213 [2018-07-23 13:43:41,341 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 13:43:41,341 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 213 states. [2018-07-23 13:43:41,343 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 213 to 213. [2018-07-23 13:43:41,343 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 213 states. [2018-07-23 13:43:41,343 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 213 states to 213 states and 213 transitions. [2018-07-23 13:43:41,343 INFO L78 Accepts]: Start accepts. Automaton has 213 states and 213 transitions. Word has length 211 [2018-07-23 13:43:41,343 INFO L84 Accepts]: Finished accepts. word is rejected. [2018-07-23 13:43:41,343 INFO L471 AbstractCegarLoop]: Abstraction has 213 states and 213 transitions. [2018-07-23 13:43:41,344 INFO L472 AbstractCegarLoop]: Interpolant automaton has 211 states. [2018-07-23 13:43:41,344 INFO L276 IsEmpty]: Start isEmpty. Operand 213 states and 213 transitions. [2018-07-23 13:43:41,344 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 213 [2018-07-23 13:43:41,344 INFO L349 BasicCegarLoop]: Found error trace [2018-07-23 13:43:41,344 INFO L357 BasicCegarLoop]: trace histogram [209, 1, 1, 1] [2018-07-23 13:43:41,344 INFO L414 AbstractCegarLoop]: === Iteration 210 === [ULTIMATE.startErr0AssertViolationASSERT]=== [2018-07-23 13:43:41,344 INFO L82 PathProgramCache]: Analyzing trace with hash 1532129320, now seen corresponding path program 209 times [2018-07-23 13:43:41,345 INFO L69 tionRefinementEngine]: Using refinement strategy FixedRefinementStrategy [2018-07-23 13:43:41,363 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-07-23 13:43:42,295 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 13:43:42,296 INFO L309 seRefinementStrategy]: Constructing automaton from 0 perfect and 1 imperfect interpolant sequences. [2018-07-23 13:43:42,296 INFO L324 seRefinementStrategy]: Number of different interpolants: perfect sequences [] imperfect sequences [211] total 211 [2018-07-23 13:43:42,296 INFO L142 lantAutomatonBuilder]: Constructing canonical interpolant automaton, with selfloop in false state [2018-07-23 13:43:42,296 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 13:43:42,297 INFO L185 omatonBuilderFactory]: Interpolants [114333#true, 114335#(<= ULTIMATE.start_main_~x~4 10), 114334#false, 114337#(<= ULTIMATE.start_main_~x~4 14), 114336#(<= ULTIMATE.start_main_~x~4 12), 114339#(<= ULTIMATE.start_main_~x~4 18), 114338#(<= ULTIMATE.start_main_~x~4 16), 114341#(<= ULTIMATE.start_main_~x~4 22), 114340#(<= ULTIMATE.start_main_~x~4 20), 114343#(<= ULTIMATE.start_main_~x~4 26), 114342#(<= ULTIMATE.start_main_~x~4 24), 114345#(<= ULTIMATE.start_main_~x~4 30), 114344#(<= ULTIMATE.start_main_~x~4 28), 114347#(<= ULTIMATE.start_main_~x~4 34), 114346#(<= ULTIMATE.start_main_~x~4 32), 114349#(<= ULTIMATE.start_main_~x~4 38), 114348#(<= ULTIMATE.start_main_~x~4 36), 114351#(<= ULTIMATE.start_main_~x~4 42), 114350#(<= ULTIMATE.start_main_~x~4 40), 114353#(<= ULTIMATE.start_main_~x~4 46), 114352#(<= ULTIMATE.start_main_~x~4 44), 114355#(<= ULTIMATE.start_main_~x~4 50), 114354#(<= ULTIMATE.start_main_~x~4 48), 114357#(<= ULTIMATE.start_main_~x~4 54), 114356#(<= ULTIMATE.start_main_~x~4 52), 114359#(<= ULTIMATE.start_main_~x~4 58), 114358#(<= ULTIMATE.start_main_~x~4 56), 114361#(<= ULTIMATE.start_main_~x~4 62), 114360#(<= ULTIMATE.start_main_~x~4 60), 114363#(<= ULTIMATE.start_main_~x~4 66), 114362#(<= ULTIMATE.start_main_~x~4 64), 114365#(<= ULTIMATE.start_main_~x~4 70), 114364#(<= ULTIMATE.start_main_~x~4 68), 114367#(<= ULTIMATE.start_main_~x~4 74), 114366#(<= ULTIMATE.start_main_~x~4 72), 114369#(<= ULTIMATE.start_main_~x~4 78), 114368#(<= ULTIMATE.start_main_~x~4 76), 114371#(<= ULTIMATE.start_main_~x~4 82), 114370#(<= ULTIMATE.start_main_~x~4 80), 114373#(<= ULTIMATE.start_main_~x~4 86), 114372#(<= ULTIMATE.start_main_~x~4 84), 114375#(<= ULTIMATE.start_main_~x~4 90), 114374#(<= ULTIMATE.start_main_~x~4 88), 114377#(<= ULTIMATE.start_main_~x~4 94), 114376#(<= ULTIMATE.start_main_~x~4 92), 114379#(<= ULTIMATE.start_main_~x~4 98), 114378#(<= ULTIMATE.start_main_~x~4 96), 114381#(<= ULTIMATE.start_main_~x~4 102), 114380#(<= ULTIMATE.start_main_~x~4 100), 114383#(<= ULTIMATE.start_main_~x~4 106), 114382#(<= ULTIMATE.start_main_~x~4 104), 114385#(<= ULTIMATE.start_main_~x~4 110), 114384#(<= ULTIMATE.start_main_~x~4 108), 114387#(<= ULTIMATE.start_main_~x~4 114), 114386#(<= ULTIMATE.start_main_~x~4 112), 114389#(<= ULTIMATE.start_main_~x~4 118), 114388#(<= ULTIMATE.start_main_~x~4 116), 114391#(<= ULTIMATE.start_main_~x~4 122), 114390#(<= ULTIMATE.start_main_~x~4 120), 114393#(<= ULTIMATE.start_main_~x~4 126), 114392#(<= ULTIMATE.start_main_~x~4 124), 114395#(<= ULTIMATE.start_main_~x~4 130), 114394#(<= ULTIMATE.start_main_~x~4 128), 114397#(<= ULTIMATE.start_main_~x~4 134), 114396#(<= ULTIMATE.start_main_~x~4 132), 114399#(<= ULTIMATE.start_main_~x~4 138), 114398#(<= ULTIMATE.start_main_~x~4 136), 114401#(<= ULTIMATE.start_main_~x~4 142), 114400#(<= ULTIMATE.start_main_~x~4 140), 114403#(<= ULTIMATE.start_main_~x~4 146), 114402#(<= ULTIMATE.start_main_~x~4 144), 114405#(<= ULTIMATE.start_main_~x~4 150), 114404#(<= ULTIMATE.start_main_~x~4 148), 114407#(<= ULTIMATE.start_main_~x~4 154), 114406#(<= ULTIMATE.start_main_~x~4 152), 114409#(<= ULTIMATE.start_main_~x~4 158), 114408#(<= ULTIMATE.start_main_~x~4 156), 114411#(<= ULTIMATE.start_main_~x~4 162), 114410#(<= ULTIMATE.start_main_~x~4 160), 114413#(<= ULTIMATE.start_main_~x~4 166), 114412#(<= ULTIMATE.start_main_~x~4 164), 114415#(<= ULTIMATE.start_main_~x~4 170), 114414#(<= ULTIMATE.start_main_~x~4 168), 114417#(<= ULTIMATE.start_main_~x~4 174), 114416#(<= ULTIMATE.start_main_~x~4 172), 114419#(<= ULTIMATE.start_main_~x~4 178), 114418#(<= ULTIMATE.start_main_~x~4 176), 114421#(<= ULTIMATE.start_main_~x~4 182), 114420#(<= ULTIMATE.start_main_~x~4 180), 114423#(<= ULTIMATE.start_main_~x~4 186), 114422#(<= ULTIMATE.start_main_~x~4 184), 114425#(<= ULTIMATE.start_main_~x~4 190), 114424#(<= ULTIMATE.start_main_~x~4 188), 114427#(<= ULTIMATE.start_main_~x~4 194), 114426#(<= ULTIMATE.start_main_~x~4 192), 114429#(<= ULTIMATE.start_main_~x~4 198), 114428#(<= ULTIMATE.start_main_~x~4 196), 114431#(<= ULTIMATE.start_main_~x~4 202), 114430#(<= ULTIMATE.start_main_~x~4 200), 114433#(<= ULTIMATE.start_main_~x~4 206), 114432#(<= ULTIMATE.start_main_~x~4 204), 114435#(<= ULTIMATE.start_main_~x~4 210), 114434#(<= ULTIMATE.start_main_~x~4 208), 114437#(<= ULTIMATE.start_main_~x~4 214), 114436#(<= ULTIMATE.start_main_~x~4 212), 114439#(<= ULTIMATE.start_main_~x~4 218), 114438#(<= ULTIMATE.start_main_~x~4 216), 114441#(<= ULTIMATE.start_main_~x~4 222), 114440#(<= ULTIMATE.start_main_~x~4 220), 114443#(<= ULTIMATE.start_main_~x~4 226), 114442#(<= ULTIMATE.start_main_~x~4 224), 114445#(<= ULTIMATE.start_main_~x~4 230), 114444#(<= ULTIMATE.start_main_~x~4 228), 114447#(<= ULTIMATE.start_main_~x~4 234), 114446#(<= ULTIMATE.start_main_~x~4 232), 114449#(<= ULTIMATE.start_main_~x~4 238), 114448#(<= ULTIMATE.start_main_~x~4 236), 114451#(<= ULTIMATE.start_main_~x~4 242), 114450#(<= ULTIMATE.start_main_~x~4 240), 114453#(<= ULTIMATE.start_main_~x~4 246), 114452#(<= ULTIMATE.start_main_~x~4 244), 114455#(<= ULTIMATE.start_main_~x~4 250), 114454#(<= ULTIMATE.start_main_~x~4 248), 114457#(<= ULTIMATE.start_main_~x~4 254), 114456#(<= ULTIMATE.start_main_~x~4 252), 114459#(<= ULTIMATE.start_main_~x~4 258), 114458#(<= ULTIMATE.start_main_~x~4 256), 114461#(<= ULTIMATE.start_main_~x~4 262), 114460#(<= ULTIMATE.start_main_~x~4 260), 114463#(<= ULTIMATE.start_main_~x~4 266), 114462#(<= ULTIMATE.start_main_~x~4 264), 114465#(<= ULTIMATE.start_main_~x~4 270), 114464#(<= ULTIMATE.start_main_~x~4 268), 114467#(<= ULTIMATE.start_main_~x~4 274), 114466#(<= ULTIMATE.start_main_~x~4 272), 114469#(<= ULTIMATE.start_main_~x~4 278), 114468#(<= ULTIMATE.start_main_~x~4 276), 114471#(<= ULTIMATE.start_main_~x~4 282), 114470#(<= ULTIMATE.start_main_~x~4 280), 114473#(<= ULTIMATE.start_main_~x~4 286), 114472#(<= ULTIMATE.start_main_~x~4 284), 114475#(<= ULTIMATE.start_main_~x~4 290), 114474#(<= ULTIMATE.start_main_~x~4 288), 114477#(<= ULTIMATE.start_main_~x~4 294), 114476#(<= ULTIMATE.start_main_~x~4 292), 114479#(<= ULTIMATE.start_main_~x~4 298), 114478#(<= ULTIMATE.start_main_~x~4 296), 114481#(<= ULTIMATE.start_main_~x~4 302), 114480#(<= ULTIMATE.start_main_~x~4 300), 114483#(<= ULTIMATE.start_main_~x~4 306), 114482#(<= ULTIMATE.start_main_~x~4 304), 114485#(<= ULTIMATE.start_main_~x~4 310), 114484#(<= ULTIMATE.start_main_~x~4 308), 114487#(<= ULTIMATE.start_main_~x~4 314), 114486#(<= ULTIMATE.start_main_~x~4 312), 114489#(<= ULTIMATE.start_main_~x~4 318), 114488#(<= ULTIMATE.start_main_~x~4 316), 114491#(<= ULTIMATE.start_main_~x~4 322), 114490#(<= ULTIMATE.start_main_~x~4 320), 114493#(<= ULTIMATE.start_main_~x~4 326), 114492#(<= ULTIMATE.start_main_~x~4 324), 114495#(<= ULTIMATE.start_main_~x~4 330), 114494#(<= ULTIMATE.start_main_~x~4 328), 114497#(<= ULTIMATE.start_main_~x~4 334), 114496#(<= ULTIMATE.start_main_~x~4 332), 114499#(<= ULTIMATE.start_main_~x~4 338), 114498#(<= ULTIMATE.start_main_~x~4 336), 114501#(<= ULTIMATE.start_main_~x~4 342), 114500#(<= ULTIMATE.start_main_~x~4 340), 114503#(<= ULTIMATE.start_main_~x~4 346), 114502#(<= ULTIMATE.start_main_~x~4 344), 114505#(<= ULTIMATE.start_main_~x~4 350), 114504#(<= ULTIMATE.start_main_~x~4 348), 114507#(<= ULTIMATE.start_main_~x~4 354), 114506#(<= ULTIMATE.start_main_~x~4 352), 114509#(<= ULTIMATE.start_main_~x~4 358), 114508#(<= ULTIMATE.start_main_~x~4 356), 114511#(<= ULTIMATE.start_main_~x~4 362), 114510#(<= ULTIMATE.start_main_~x~4 360), 114513#(<= ULTIMATE.start_main_~x~4 366), 114512#(<= ULTIMATE.start_main_~x~4 364), 114515#(<= ULTIMATE.start_main_~x~4 370), 114514#(<= ULTIMATE.start_main_~x~4 368), 114517#(<= ULTIMATE.start_main_~x~4 374), 114516#(<= ULTIMATE.start_main_~x~4 372), 114519#(<= ULTIMATE.start_main_~x~4 378), 114518#(<= ULTIMATE.start_main_~x~4 376), 114521#(<= ULTIMATE.start_main_~x~4 382), 114520#(<= ULTIMATE.start_main_~x~4 380), 114523#(<= ULTIMATE.start_main_~x~4 386), 114522#(<= ULTIMATE.start_main_~x~4 384), 114525#(<= ULTIMATE.start_main_~x~4 390), 114524#(<= ULTIMATE.start_main_~x~4 388), 114527#(<= ULTIMATE.start_main_~x~4 394), 114526#(<= ULTIMATE.start_main_~x~4 392), 114529#(<= ULTIMATE.start_main_~x~4 398), 114528#(<= ULTIMATE.start_main_~x~4 396), 114531#(<= ULTIMATE.start_main_~x~4 402), 114530#(<= ULTIMATE.start_main_~x~4 400), 114533#(<= ULTIMATE.start_main_~x~4 406), 114532#(<= ULTIMATE.start_main_~x~4 404), 114535#(<= ULTIMATE.start_main_~x~4 410), 114534#(<= ULTIMATE.start_main_~x~4 408), 114537#(<= ULTIMATE.start_main_~x~4 414), 114536#(<= ULTIMATE.start_main_~x~4 412), 114539#(<= ULTIMATE.start_main_~x~4 418), 114538#(<= ULTIMATE.start_main_~x~4 416), 114541#(<= ULTIMATE.start_main_~x~4 422), 114540#(<= ULTIMATE.start_main_~x~4 420), 114543#(<= ULTIMATE.start_main_~x~4 426), 114542#(<= ULTIMATE.start_main_~x~4 424), 114544#(<= ULTIMATE.start_main_~x~4 428)] [2018-07-23 13:43:42,298 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 13:43:42,298 INFO L450 AbstractCegarLoop]: Interpolant automaton has 212 states [2018-07-23 13:43:42,300 INFO L132 InterpolantAutomaton]: Constructing interpolant automaton starting with 212 interpolants. [2018-07-23 13:43:42,302 INFO L133 InterpolantAutomaton]: CoverageRelationStatistics Valid=22366, Invalid=22366, Unknown=0, NotChecked=0, Total=44732 [2018-07-23 13:43:42,302 INFO L87 Difference]: Start difference. First operand 213 states and 213 transitions. Second operand 212 states. [2018-07-23 13:43:42,902 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2018-07-23 13:43:42,902 INFO L93 Difference]: Finished difference Result 216 states and 216 transitions. [2018-07-23 13:43:42,902 INFO L142 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 212 states. [2018-07-23 13:43:42,902 INFO L78 Accepts]: Start accepts. Automaton has 212 states. Word has length 212 [2018-07-23 13:43:42,902 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2018-07-23 13:43:42,903 INFO L225 Difference]: With dead ends: 216 [2018-07-23 13:43:42,903 INFO L226 Difference]: Without dead ends: 214 [2018-07-23 13:43:42,905 INFO L575 BasicCegarLoop]: 0 DeclaredPredicates, 211 GetRequests, 1 SyntacticMatches, 0 SemanticMatches, 210 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 0 ImplicationChecksByTransitivity, 0.8s TimeCoverageRelationStatistics Valid=22366, Invalid=22366, Unknown=0, NotChecked=0, Total=44732 [2018-07-23 13:43:42,905 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 214 states. [2018-07-23 13:43:42,907 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 214 to 214. [2018-07-23 13:43:42,907 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 214 states. [2018-07-23 13:43:42,907 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 214 states to 214 states and 214 transitions. [2018-07-23 13:43:42,907 INFO L78 Accepts]: Start accepts. Automaton has 214 states and 214 transitions. Word has length 212 [2018-07-23 13:43:42,908 INFO L84 Accepts]: Finished accepts. word is rejected. [2018-07-23 13:43:42,908 INFO L471 AbstractCegarLoop]: Abstraction has 214 states and 214 transitions. [2018-07-23 13:43:42,908 INFO L472 AbstractCegarLoop]: Interpolant automaton has 212 states. [2018-07-23 13:43:42,908 INFO L276 IsEmpty]: Start isEmpty. Operand 214 states and 214 transitions. [2018-07-23 13:43:42,908 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 214 [2018-07-23 13:43:42,908 INFO L349 BasicCegarLoop]: Found error trace [2018-07-23 13:43:42,908 INFO L357 BasicCegarLoop]: trace histogram [210, 1, 1, 1] [2018-07-23 13:43:42,908 INFO L414 AbstractCegarLoop]: === Iteration 211 === [ULTIMATE.startErr0AssertViolationASSERT]=== [2018-07-23 13:43:42,909 INFO L82 PathProgramCache]: Analyzing trace with hash 251366689, now seen corresponding path program 210 times [2018-07-23 13:43:42,909 INFO L69 tionRefinementEngine]: Using refinement strategy FixedRefinementStrategy [2018-07-23 13:43:42,925 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-07-23 13:43:43,813 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 13:43:43,813 INFO L309 seRefinementStrategy]: Constructing automaton from 0 perfect and 1 imperfect interpolant sequences. [2018-07-23 13:43:43,813 INFO L324 seRefinementStrategy]: Number of different interpolants: perfect sequences [] imperfect sequences [212] total 212 [2018-07-23 13:43:43,813 INFO L142 lantAutomatonBuilder]: Constructing canonical interpolant automaton, with selfloop in false state [2018-07-23 13:43:43,813 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2018-07-23 13:43:43,814 INFO L185 omatonBuilderFactory]: Interpolants [115405#true, 115407#(<= ULTIMATE.start_main_~x~4 10), 115406#false, 115409#(<= ULTIMATE.start_main_~x~4 14), 115408#(<= ULTIMATE.start_main_~x~4 12), 115411#(<= ULTIMATE.start_main_~x~4 18), 115410#(<= ULTIMATE.start_main_~x~4 16), 115413#(<= ULTIMATE.start_main_~x~4 22), 115412#(<= ULTIMATE.start_main_~x~4 20), 115415#(<= ULTIMATE.start_main_~x~4 26), 115414#(<= ULTIMATE.start_main_~x~4 24), 115417#(<= ULTIMATE.start_main_~x~4 30), 115416#(<= ULTIMATE.start_main_~x~4 28), 115419#(<= ULTIMATE.start_main_~x~4 34), 115418#(<= ULTIMATE.start_main_~x~4 32), 115421#(<= ULTIMATE.start_main_~x~4 38), 115420#(<= ULTIMATE.start_main_~x~4 36), 115423#(<= ULTIMATE.start_main_~x~4 42), 115422#(<= ULTIMATE.start_main_~x~4 40), 115425#(<= ULTIMATE.start_main_~x~4 46), 115424#(<= ULTIMATE.start_main_~x~4 44), 115427#(<= ULTIMATE.start_main_~x~4 50), 115426#(<= ULTIMATE.start_main_~x~4 48), 115429#(<= ULTIMATE.start_main_~x~4 54), 115428#(<= ULTIMATE.start_main_~x~4 52), 115431#(<= ULTIMATE.start_main_~x~4 58), 115430#(<= ULTIMATE.start_main_~x~4 56), 115433#(<= ULTIMATE.start_main_~x~4 62), 115432#(<= ULTIMATE.start_main_~x~4 60), 115435#(<= ULTIMATE.start_main_~x~4 66), 115434#(<= ULTIMATE.start_main_~x~4 64), 115437#(<= ULTIMATE.start_main_~x~4 70), 115436#(<= ULTIMATE.start_main_~x~4 68), 115439#(<= ULTIMATE.start_main_~x~4 74), 115438#(<= ULTIMATE.start_main_~x~4 72), 115441#(<= ULTIMATE.start_main_~x~4 78), 115440#(<= ULTIMATE.start_main_~x~4 76), 115443#(<= ULTIMATE.start_main_~x~4 82), 115442#(<= ULTIMATE.start_main_~x~4 80), 115445#(<= ULTIMATE.start_main_~x~4 86), 115444#(<= ULTIMATE.start_main_~x~4 84), 115447#(<= ULTIMATE.start_main_~x~4 90), 115446#(<= ULTIMATE.start_main_~x~4 88), 115449#(<= ULTIMATE.start_main_~x~4 94), 115448#(<= ULTIMATE.start_main_~x~4 92), 115451#(<= ULTIMATE.start_main_~x~4 98), 115450#(<= ULTIMATE.start_main_~x~4 96), 115453#(<= ULTIMATE.start_main_~x~4 102), 115452#(<= ULTIMATE.start_main_~x~4 100), 115455#(<= ULTIMATE.start_main_~x~4 106), 115454#(<= ULTIMATE.start_main_~x~4 104), 115457#(<= ULTIMATE.start_main_~x~4 110), 115456#(<= ULTIMATE.start_main_~x~4 108), 115459#(<= ULTIMATE.start_main_~x~4 114), 115458#(<= ULTIMATE.start_main_~x~4 112), 115461#(<= ULTIMATE.start_main_~x~4 118), 115460#(<= ULTIMATE.start_main_~x~4 116), 115463#(<= ULTIMATE.start_main_~x~4 122), 115462#(<= ULTIMATE.start_main_~x~4 120), 115465#(<= ULTIMATE.start_main_~x~4 126), 115464#(<= ULTIMATE.start_main_~x~4 124), 115467#(<= ULTIMATE.start_main_~x~4 130), 115466#(<= ULTIMATE.start_main_~x~4 128), 115469#(<= ULTIMATE.start_main_~x~4 134), 115468#(<= ULTIMATE.start_main_~x~4 132), 115471#(<= ULTIMATE.start_main_~x~4 138), 115470#(<= ULTIMATE.start_main_~x~4 136), 115473#(<= ULTIMATE.start_main_~x~4 142), 115472#(<= ULTIMATE.start_main_~x~4 140), 115475#(<= ULTIMATE.start_main_~x~4 146), 115474#(<= ULTIMATE.start_main_~x~4 144), 115477#(<= ULTIMATE.start_main_~x~4 150), 115476#(<= ULTIMATE.start_main_~x~4 148), 115479#(<= ULTIMATE.start_main_~x~4 154), 115478#(<= ULTIMATE.start_main_~x~4 152), 115481#(<= ULTIMATE.start_main_~x~4 158), 115480#(<= ULTIMATE.start_main_~x~4 156), 115483#(<= ULTIMATE.start_main_~x~4 162), 115482#(<= ULTIMATE.start_main_~x~4 160), 115485#(<= ULTIMATE.start_main_~x~4 166), 115484#(<= ULTIMATE.start_main_~x~4 164), 115487#(<= ULTIMATE.start_main_~x~4 170), 115486#(<= ULTIMATE.start_main_~x~4 168), 115489#(<= ULTIMATE.start_main_~x~4 174), 115488#(<= ULTIMATE.start_main_~x~4 172), 115491#(<= ULTIMATE.start_main_~x~4 178), 115490#(<= ULTIMATE.start_main_~x~4 176), 115493#(<= ULTIMATE.start_main_~x~4 182), 115492#(<= ULTIMATE.start_main_~x~4 180), 115495#(<= ULTIMATE.start_main_~x~4 186), 115494#(<= ULTIMATE.start_main_~x~4 184), 115497#(<= ULTIMATE.start_main_~x~4 190), 115496#(<= ULTIMATE.start_main_~x~4 188), 115499#(<= ULTIMATE.start_main_~x~4 194), 115498#(<= ULTIMATE.start_main_~x~4 192), 115501#(<= ULTIMATE.start_main_~x~4 198), 115500#(<= ULTIMATE.start_main_~x~4 196), 115503#(<= ULTIMATE.start_main_~x~4 202), 115502#(<= ULTIMATE.start_main_~x~4 200), 115505#(<= ULTIMATE.start_main_~x~4 206), 115504#(<= ULTIMATE.start_main_~x~4 204), 115507#(<= ULTIMATE.start_main_~x~4 210), 115506#(<= ULTIMATE.start_main_~x~4 208), 115509#(<= ULTIMATE.start_main_~x~4 214), 115508#(<= ULTIMATE.start_main_~x~4 212), 115511#(<= ULTIMATE.start_main_~x~4 218), 115510#(<= ULTIMATE.start_main_~x~4 216), 115513#(<= ULTIMATE.start_main_~x~4 222), 115512#(<= ULTIMATE.start_main_~x~4 220), 115515#(<= ULTIMATE.start_main_~x~4 226), 115514#(<= ULTIMATE.start_main_~x~4 224), 115517#(<= ULTIMATE.start_main_~x~4 230), 115516#(<= ULTIMATE.start_main_~x~4 228), 115519#(<= ULTIMATE.start_main_~x~4 234), 115518#(<= ULTIMATE.start_main_~x~4 232), 115521#(<= ULTIMATE.start_main_~x~4 238), 115520#(<= ULTIMATE.start_main_~x~4 236), 115523#(<= ULTIMATE.start_main_~x~4 242), 115522#(<= ULTIMATE.start_main_~x~4 240), 115525#(<= ULTIMATE.start_main_~x~4 246), 115524#(<= ULTIMATE.start_main_~x~4 244), 115527#(<= ULTIMATE.start_main_~x~4 250), 115526#(<= ULTIMATE.start_main_~x~4 248), 115529#(<= ULTIMATE.start_main_~x~4 254), 115528#(<= ULTIMATE.start_main_~x~4 252), 115531#(<= ULTIMATE.start_main_~x~4 258), 115530#(<= ULTIMATE.start_main_~x~4 256), 115533#(<= ULTIMATE.start_main_~x~4 262), 115532#(<= ULTIMATE.start_main_~x~4 260), 115535#(<= ULTIMATE.start_main_~x~4 266), 115534#(<= ULTIMATE.start_main_~x~4 264), 115537#(<= ULTIMATE.start_main_~x~4 270), 115536#(<= ULTIMATE.start_main_~x~4 268), 115539#(<= ULTIMATE.start_main_~x~4 274), 115538#(<= ULTIMATE.start_main_~x~4 272), 115541#(<= ULTIMATE.start_main_~x~4 278), 115540#(<= ULTIMATE.start_main_~x~4 276), 115543#(<= ULTIMATE.start_main_~x~4 282), 115542#(<= ULTIMATE.start_main_~x~4 280), 115545#(<= ULTIMATE.start_main_~x~4 286), 115544#(<= ULTIMATE.start_main_~x~4 284), 115547#(<= ULTIMATE.start_main_~x~4 290), 115546#(<= ULTIMATE.start_main_~x~4 288), 115549#(<= ULTIMATE.start_main_~x~4 294), 115548#(<= ULTIMATE.start_main_~x~4 292), 115551#(<= ULTIMATE.start_main_~x~4 298), 115550#(<= ULTIMATE.start_main_~x~4 296), 115553#(<= ULTIMATE.start_main_~x~4 302), 115552#(<= ULTIMATE.start_main_~x~4 300), 115555#(<= ULTIMATE.start_main_~x~4 306), 115554#(<= ULTIMATE.start_main_~x~4 304), 115557#(<= ULTIMATE.start_main_~x~4 310), 115556#(<= ULTIMATE.start_main_~x~4 308), 115559#(<= ULTIMATE.start_main_~x~4 314), 115558#(<= ULTIMATE.start_main_~x~4 312), 115561#(<= ULTIMATE.start_main_~x~4 318), 115560#(<= ULTIMATE.start_main_~x~4 316), 115563#(<= ULTIMATE.start_main_~x~4 322), 115562#(<= ULTIMATE.start_main_~x~4 320), 115565#(<= ULTIMATE.start_main_~x~4 326), 115564#(<= ULTIMATE.start_main_~x~4 324), 115567#(<= ULTIMATE.start_main_~x~4 330), 115566#(<= ULTIMATE.start_main_~x~4 328), 115569#(<= ULTIMATE.start_main_~x~4 334), 115568#(<= ULTIMATE.start_main_~x~4 332), 115571#(<= ULTIMATE.start_main_~x~4 338), 115570#(<= ULTIMATE.start_main_~x~4 336), 115573#(<= ULTIMATE.start_main_~x~4 342), 115572#(<= ULTIMATE.start_main_~x~4 340), 115575#(<= ULTIMATE.start_main_~x~4 346), 115574#(<= ULTIMATE.start_main_~x~4 344), 115577#(<= ULTIMATE.start_main_~x~4 350), 115576#(<= ULTIMATE.start_main_~x~4 348), 115579#(<= ULTIMATE.start_main_~x~4 354), 115578#(<= ULTIMATE.start_main_~x~4 352), 115581#(<= ULTIMATE.start_main_~x~4 358), 115580#(<= ULTIMATE.start_main_~x~4 356), 115583#(<= ULTIMATE.start_main_~x~4 362), 115582#(<= ULTIMATE.start_main_~x~4 360), 115585#(<= ULTIMATE.start_main_~x~4 366), 115584#(<= ULTIMATE.start_main_~x~4 364), 115587#(<= ULTIMATE.start_main_~x~4 370), 115586#(<= ULTIMATE.start_main_~x~4 368), 115589#(<= ULTIMATE.start_main_~x~4 374), 115588#(<= ULTIMATE.start_main_~x~4 372), 115591#(<= ULTIMATE.start_main_~x~4 378), 115590#(<= ULTIMATE.start_main_~x~4 376), 115593#(<= ULTIMATE.start_main_~x~4 382), 115592#(<= ULTIMATE.start_main_~x~4 380), 115595#(<= ULTIMATE.start_main_~x~4 386), 115594#(<= ULTIMATE.start_main_~x~4 384), 115597#(<= ULTIMATE.start_main_~x~4 390), 115596#(<= ULTIMATE.start_main_~x~4 388), 115599#(<= ULTIMATE.start_main_~x~4 394), 115598#(<= ULTIMATE.start_main_~x~4 392), 115601#(<= ULTIMATE.start_main_~x~4 398), 115600#(<= ULTIMATE.start_main_~x~4 396), 115603#(<= ULTIMATE.start_main_~x~4 402), 115602#(<= ULTIMATE.start_main_~x~4 400), 115605#(<= ULTIMATE.start_main_~x~4 406), 115604#(<= ULTIMATE.start_main_~x~4 404), 115607#(<= ULTIMATE.start_main_~x~4 410), 115606#(<= ULTIMATE.start_main_~x~4 408), 115609#(<= ULTIMATE.start_main_~x~4 414), 115608#(<= ULTIMATE.start_main_~x~4 412), 115611#(<= ULTIMATE.start_main_~x~4 418), 115610#(<= ULTIMATE.start_main_~x~4 416), 115613#(<= ULTIMATE.start_main_~x~4 422), 115612#(<= ULTIMATE.start_main_~x~4 420), 115615#(<= ULTIMATE.start_main_~x~4 426), 115614#(<= ULTIMATE.start_main_~x~4 424), 115617#(<= ULTIMATE.start_main_~x~4 430), 115616#(<= ULTIMATE.start_main_~x~4 428)] [2018-07-23 13:43:43,815 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 13:43:43,815 INFO L450 AbstractCegarLoop]: Interpolant automaton has 213 states [2018-07-23 13:43:43,818 INFO L132 InterpolantAutomaton]: Constructing interpolant automaton starting with 213 interpolants. [2018-07-23 13:43:43,821 INFO L133 InterpolantAutomaton]: CoverageRelationStatistics Valid=22578, Invalid=22578, Unknown=0, NotChecked=0, Total=45156 [2018-07-23 13:43:43,821 INFO L87 Difference]: Start difference. First operand 214 states and 214 transitions. Second operand 213 states. [2018-07-23 13:43:44,762 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2018-07-23 13:43:44,762 INFO L93 Difference]: Finished difference Result 217 states and 217 transitions. [2018-07-23 13:43:44,762 INFO L142 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 213 states. [2018-07-23 13:43:44,762 INFO L78 Accepts]: Start accepts. Automaton has 213 states. Word has length 213 [2018-07-23 13:43:44,763 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2018-07-23 13:43:44,763 INFO L225 Difference]: With dead ends: 217 [2018-07-23 13:43:44,763 INFO L226 Difference]: Without dead ends: 215 [2018-07-23 13:43:44,766 INFO L575 BasicCegarLoop]: 0 DeclaredPredicates, 212 GetRequests, 1 SyntacticMatches, 0 SemanticMatches, 211 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 0 ImplicationChecksByTransitivity, 0.8s TimeCoverageRelationStatistics Valid=22578, Invalid=22578, Unknown=0, NotChecked=0, Total=45156 [2018-07-23 13:43:44,766 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 215 states. [2018-07-23 13:43:44,768 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 215 to 215. [2018-07-23 13:43:44,768 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 215 states. [2018-07-23 13:43:44,768 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 215 states to 215 states and 215 transitions. [2018-07-23 13:43:44,769 INFO L78 Accepts]: Start accepts. Automaton has 215 states and 215 transitions. Word has length 213 [2018-07-23 13:43:44,769 INFO L84 Accepts]: Finished accepts. word is rejected. [2018-07-23 13:43:44,769 INFO L471 AbstractCegarLoop]: Abstraction has 215 states and 215 transitions. [2018-07-23 13:43:44,769 INFO L472 AbstractCegarLoop]: Interpolant automaton has 213 states. [2018-07-23 13:43:44,769 INFO L276 IsEmpty]: Start isEmpty. Operand 215 states and 215 transitions. [2018-07-23 13:43:44,769 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 215 [2018-07-23 13:43:44,769 INFO L349 BasicCegarLoop]: Found error trace [2018-07-23 13:43:44,769 INFO L357 BasicCegarLoop]: trace histogram [211, 1, 1, 1] [2018-07-23 13:43:44,770 INFO L414 AbstractCegarLoop]: === Iteration 212 === [ULTIMATE.startErr0AssertViolationASSERT]=== [2018-07-23 13:43:44,770 INFO L82 PathProgramCache]: Analyzing trace with hash -797569208, now seen corresponding path program 211 times [2018-07-23 13:43:44,770 INFO L69 tionRefinementEngine]: Using refinement strategy FixedRefinementStrategy [2018-07-23 13:43:44,787 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-07-23 13:43:45,733 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 13:43:45,733 INFO L309 seRefinementStrategy]: Constructing automaton from 0 perfect and 1 imperfect interpolant sequences. [2018-07-23 13:43:45,733 INFO L324 seRefinementStrategy]: Number of different interpolants: perfect sequences [] imperfect sequences [213] total 213 [2018-07-23 13:43:45,733 INFO L142 lantAutomatonBuilder]: Constructing canonical interpolant automaton, with selfloop in false state [2018-07-23 13:43:45,733 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2018-07-23 13:43:45,734 INFO L185 omatonBuilderFactory]: Interpolants [116483#false, 116482#true, 116485#(<= ULTIMATE.start_main_~x~4 12), 116484#(<= ULTIMATE.start_main_~x~4 10), 116487#(<= ULTIMATE.start_main_~x~4 16), 116486#(<= ULTIMATE.start_main_~x~4 14), 116489#(<= ULTIMATE.start_main_~x~4 20), 116488#(<= ULTIMATE.start_main_~x~4 18), 116491#(<= ULTIMATE.start_main_~x~4 24), 116490#(<= ULTIMATE.start_main_~x~4 22), 116493#(<= ULTIMATE.start_main_~x~4 28), 116492#(<= ULTIMATE.start_main_~x~4 26), 116495#(<= ULTIMATE.start_main_~x~4 32), 116494#(<= ULTIMATE.start_main_~x~4 30), 116497#(<= ULTIMATE.start_main_~x~4 36), 116496#(<= ULTIMATE.start_main_~x~4 34), 116499#(<= ULTIMATE.start_main_~x~4 40), 116498#(<= ULTIMATE.start_main_~x~4 38), 116501#(<= ULTIMATE.start_main_~x~4 44), 116500#(<= ULTIMATE.start_main_~x~4 42), 116503#(<= ULTIMATE.start_main_~x~4 48), 116502#(<= ULTIMATE.start_main_~x~4 46), 116505#(<= ULTIMATE.start_main_~x~4 52), 116504#(<= ULTIMATE.start_main_~x~4 50), 116507#(<= ULTIMATE.start_main_~x~4 56), 116506#(<= ULTIMATE.start_main_~x~4 54), 116509#(<= ULTIMATE.start_main_~x~4 60), 116508#(<= ULTIMATE.start_main_~x~4 58), 116511#(<= ULTIMATE.start_main_~x~4 64), 116510#(<= ULTIMATE.start_main_~x~4 62), 116513#(<= ULTIMATE.start_main_~x~4 68), 116512#(<= ULTIMATE.start_main_~x~4 66), 116515#(<= ULTIMATE.start_main_~x~4 72), 116514#(<= ULTIMATE.start_main_~x~4 70), 116517#(<= ULTIMATE.start_main_~x~4 76), 116516#(<= ULTIMATE.start_main_~x~4 74), 116519#(<= ULTIMATE.start_main_~x~4 80), 116518#(<= ULTIMATE.start_main_~x~4 78), 116521#(<= ULTIMATE.start_main_~x~4 84), 116520#(<= ULTIMATE.start_main_~x~4 82), 116523#(<= ULTIMATE.start_main_~x~4 88), 116522#(<= ULTIMATE.start_main_~x~4 86), 116525#(<= ULTIMATE.start_main_~x~4 92), 116524#(<= ULTIMATE.start_main_~x~4 90), 116527#(<= ULTIMATE.start_main_~x~4 96), 116526#(<= ULTIMATE.start_main_~x~4 94), 116529#(<= ULTIMATE.start_main_~x~4 100), 116528#(<= ULTIMATE.start_main_~x~4 98), 116531#(<= ULTIMATE.start_main_~x~4 104), 116530#(<= ULTIMATE.start_main_~x~4 102), 116533#(<= ULTIMATE.start_main_~x~4 108), 116532#(<= ULTIMATE.start_main_~x~4 106), 116535#(<= ULTIMATE.start_main_~x~4 112), 116534#(<= ULTIMATE.start_main_~x~4 110), 116537#(<= ULTIMATE.start_main_~x~4 116), 116536#(<= ULTIMATE.start_main_~x~4 114), 116539#(<= ULTIMATE.start_main_~x~4 120), 116538#(<= ULTIMATE.start_main_~x~4 118), 116541#(<= ULTIMATE.start_main_~x~4 124), 116540#(<= ULTIMATE.start_main_~x~4 122), 116543#(<= ULTIMATE.start_main_~x~4 128), 116542#(<= ULTIMATE.start_main_~x~4 126), 116545#(<= ULTIMATE.start_main_~x~4 132), 116544#(<= ULTIMATE.start_main_~x~4 130), 116547#(<= ULTIMATE.start_main_~x~4 136), 116546#(<= ULTIMATE.start_main_~x~4 134), 116549#(<= ULTIMATE.start_main_~x~4 140), 116548#(<= ULTIMATE.start_main_~x~4 138), 116551#(<= ULTIMATE.start_main_~x~4 144), 116550#(<= ULTIMATE.start_main_~x~4 142), 116553#(<= ULTIMATE.start_main_~x~4 148), 116552#(<= ULTIMATE.start_main_~x~4 146), 116555#(<= ULTIMATE.start_main_~x~4 152), 116554#(<= ULTIMATE.start_main_~x~4 150), 116557#(<= ULTIMATE.start_main_~x~4 156), 116556#(<= ULTIMATE.start_main_~x~4 154), 116559#(<= ULTIMATE.start_main_~x~4 160), 116558#(<= ULTIMATE.start_main_~x~4 158), 116561#(<= ULTIMATE.start_main_~x~4 164), 116560#(<= ULTIMATE.start_main_~x~4 162), 116563#(<= ULTIMATE.start_main_~x~4 168), 116562#(<= ULTIMATE.start_main_~x~4 166), 116565#(<= ULTIMATE.start_main_~x~4 172), 116564#(<= ULTIMATE.start_main_~x~4 170), 116567#(<= ULTIMATE.start_main_~x~4 176), 116566#(<= ULTIMATE.start_main_~x~4 174), 116569#(<= ULTIMATE.start_main_~x~4 180), 116568#(<= ULTIMATE.start_main_~x~4 178), 116571#(<= ULTIMATE.start_main_~x~4 184), 116570#(<= ULTIMATE.start_main_~x~4 182), 116573#(<= ULTIMATE.start_main_~x~4 188), 116572#(<= ULTIMATE.start_main_~x~4 186), 116575#(<= ULTIMATE.start_main_~x~4 192), 116574#(<= ULTIMATE.start_main_~x~4 190), 116577#(<= ULTIMATE.start_main_~x~4 196), 116576#(<= ULTIMATE.start_main_~x~4 194), 116579#(<= ULTIMATE.start_main_~x~4 200), 116578#(<= ULTIMATE.start_main_~x~4 198), 116581#(<= ULTIMATE.start_main_~x~4 204), 116580#(<= ULTIMATE.start_main_~x~4 202), 116583#(<= ULTIMATE.start_main_~x~4 208), 116582#(<= ULTIMATE.start_main_~x~4 206), 116585#(<= ULTIMATE.start_main_~x~4 212), 116584#(<= ULTIMATE.start_main_~x~4 210), 116587#(<= ULTIMATE.start_main_~x~4 216), 116586#(<= ULTIMATE.start_main_~x~4 214), 116589#(<= ULTIMATE.start_main_~x~4 220), 116588#(<= ULTIMATE.start_main_~x~4 218), 116591#(<= ULTIMATE.start_main_~x~4 224), 116590#(<= ULTIMATE.start_main_~x~4 222), 116593#(<= ULTIMATE.start_main_~x~4 228), 116592#(<= ULTIMATE.start_main_~x~4 226), 116595#(<= ULTIMATE.start_main_~x~4 232), 116594#(<= ULTIMATE.start_main_~x~4 230), 116597#(<= ULTIMATE.start_main_~x~4 236), 116596#(<= ULTIMATE.start_main_~x~4 234), 116599#(<= ULTIMATE.start_main_~x~4 240), 116598#(<= ULTIMATE.start_main_~x~4 238), 116601#(<= ULTIMATE.start_main_~x~4 244), 116600#(<= ULTIMATE.start_main_~x~4 242), 116603#(<= ULTIMATE.start_main_~x~4 248), 116602#(<= ULTIMATE.start_main_~x~4 246), 116605#(<= ULTIMATE.start_main_~x~4 252), 116604#(<= ULTIMATE.start_main_~x~4 250), 116607#(<= ULTIMATE.start_main_~x~4 256), 116606#(<= ULTIMATE.start_main_~x~4 254), 116609#(<= ULTIMATE.start_main_~x~4 260), 116608#(<= ULTIMATE.start_main_~x~4 258), 116611#(<= ULTIMATE.start_main_~x~4 264), 116610#(<= ULTIMATE.start_main_~x~4 262), 116613#(<= ULTIMATE.start_main_~x~4 268), 116612#(<= ULTIMATE.start_main_~x~4 266), 116615#(<= ULTIMATE.start_main_~x~4 272), 116614#(<= ULTIMATE.start_main_~x~4 270), 116617#(<= ULTIMATE.start_main_~x~4 276), 116616#(<= ULTIMATE.start_main_~x~4 274), 116619#(<= ULTIMATE.start_main_~x~4 280), 116618#(<= ULTIMATE.start_main_~x~4 278), 116621#(<= ULTIMATE.start_main_~x~4 284), 116620#(<= ULTIMATE.start_main_~x~4 282), 116623#(<= ULTIMATE.start_main_~x~4 288), 116622#(<= ULTIMATE.start_main_~x~4 286), 116625#(<= ULTIMATE.start_main_~x~4 292), 116624#(<= ULTIMATE.start_main_~x~4 290), 116627#(<= ULTIMATE.start_main_~x~4 296), 116626#(<= ULTIMATE.start_main_~x~4 294), 116629#(<= ULTIMATE.start_main_~x~4 300), 116628#(<= ULTIMATE.start_main_~x~4 298), 116631#(<= ULTIMATE.start_main_~x~4 304), 116630#(<= ULTIMATE.start_main_~x~4 302), 116633#(<= ULTIMATE.start_main_~x~4 308), 116632#(<= ULTIMATE.start_main_~x~4 306), 116635#(<= ULTIMATE.start_main_~x~4 312), 116634#(<= ULTIMATE.start_main_~x~4 310), 116637#(<= ULTIMATE.start_main_~x~4 316), 116636#(<= ULTIMATE.start_main_~x~4 314), 116639#(<= ULTIMATE.start_main_~x~4 320), 116638#(<= ULTIMATE.start_main_~x~4 318), 116641#(<= ULTIMATE.start_main_~x~4 324), 116640#(<= ULTIMATE.start_main_~x~4 322), 116643#(<= ULTIMATE.start_main_~x~4 328), 116642#(<= ULTIMATE.start_main_~x~4 326), 116645#(<= ULTIMATE.start_main_~x~4 332), 116644#(<= ULTIMATE.start_main_~x~4 330), 116647#(<= ULTIMATE.start_main_~x~4 336), 116646#(<= ULTIMATE.start_main_~x~4 334), 116649#(<= ULTIMATE.start_main_~x~4 340), 116648#(<= ULTIMATE.start_main_~x~4 338), 116651#(<= ULTIMATE.start_main_~x~4 344), 116650#(<= ULTIMATE.start_main_~x~4 342), 116653#(<= ULTIMATE.start_main_~x~4 348), 116652#(<= ULTIMATE.start_main_~x~4 346), 116655#(<= ULTIMATE.start_main_~x~4 352), 116654#(<= ULTIMATE.start_main_~x~4 350), 116657#(<= ULTIMATE.start_main_~x~4 356), 116656#(<= ULTIMATE.start_main_~x~4 354), 116659#(<= ULTIMATE.start_main_~x~4 360), 116658#(<= ULTIMATE.start_main_~x~4 358), 116661#(<= ULTIMATE.start_main_~x~4 364), 116660#(<= ULTIMATE.start_main_~x~4 362), 116663#(<= ULTIMATE.start_main_~x~4 368), 116662#(<= ULTIMATE.start_main_~x~4 366), 116665#(<= ULTIMATE.start_main_~x~4 372), 116664#(<= ULTIMATE.start_main_~x~4 370), 116667#(<= ULTIMATE.start_main_~x~4 376), 116666#(<= ULTIMATE.start_main_~x~4 374), 116669#(<= ULTIMATE.start_main_~x~4 380), 116668#(<= ULTIMATE.start_main_~x~4 378), 116671#(<= ULTIMATE.start_main_~x~4 384), 116670#(<= ULTIMATE.start_main_~x~4 382), 116673#(<= ULTIMATE.start_main_~x~4 388), 116672#(<= ULTIMATE.start_main_~x~4 386), 116675#(<= ULTIMATE.start_main_~x~4 392), 116674#(<= ULTIMATE.start_main_~x~4 390), 116677#(<= ULTIMATE.start_main_~x~4 396), 116676#(<= ULTIMATE.start_main_~x~4 394), 116679#(<= ULTIMATE.start_main_~x~4 400), 116678#(<= ULTIMATE.start_main_~x~4 398), 116681#(<= ULTIMATE.start_main_~x~4 404), 116680#(<= ULTIMATE.start_main_~x~4 402), 116683#(<= ULTIMATE.start_main_~x~4 408), 116682#(<= ULTIMATE.start_main_~x~4 406), 116685#(<= ULTIMATE.start_main_~x~4 412), 116684#(<= ULTIMATE.start_main_~x~4 410), 116687#(<= ULTIMATE.start_main_~x~4 416), 116686#(<= ULTIMATE.start_main_~x~4 414), 116689#(<= ULTIMATE.start_main_~x~4 420), 116688#(<= ULTIMATE.start_main_~x~4 418), 116691#(<= ULTIMATE.start_main_~x~4 424), 116690#(<= ULTIMATE.start_main_~x~4 422), 116693#(<= ULTIMATE.start_main_~x~4 428), 116692#(<= ULTIMATE.start_main_~x~4 426), 116695#(<= ULTIMATE.start_main_~x~4 432), 116694#(<= ULTIMATE.start_main_~x~4 430)] [2018-07-23 13:43:45,735 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 13:43:45,735 INFO L450 AbstractCegarLoop]: Interpolant automaton has 214 states [2018-07-23 13:43:45,738 INFO L132 InterpolantAutomaton]: Constructing interpolant automaton starting with 214 interpolants. [2018-07-23 13:43:45,740 INFO L133 InterpolantAutomaton]: CoverageRelationStatistics Valid=22791, Invalid=22791, Unknown=0, NotChecked=0, Total=45582 [2018-07-23 13:43:45,740 INFO L87 Difference]: Start difference. First operand 215 states and 215 transitions. Second operand 214 states. [2018-07-23 13:43:47,584 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2018-07-23 13:43:47,584 INFO L93 Difference]: Finished difference Result 218 states and 218 transitions. [2018-07-23 13:43:47,584 INFO L142 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 214 states. [2018-07-23 13:43:47,585 INFO L78 Accepts]: Start accepts. Automaton has 214 states. Word has length 214 [2018-07-23 13:43:47,585 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2018-07-23 13:43:47,585 INFO L225 Difference]: With dead ends: 218 [2018-07-23 13:43:47,585 INFO L226 Difference]: Without dead ends: 216 [2018-07-23 13:43:47,589 INFO L575 BasicCegarLoop]: 0 DeclaredPredicates, 213 GetRequests, 1 SyntacticMatches, 0 SemanticMatches, 212 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 0 ImplicationChecksByTransitivity, 0.8s TimeCoverageRelationStatistics Valid=22791, Invalid=22791, Unknown=0, NotChecked=0, Total=45582 [2018-07-23 13:43:47,589 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 216 states. [2018-07-23 13:43:47,591 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 216 to 216. [2018-07-23 13:43:47,591 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 216 states. [2018-07-23 13:43:47,592 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 216 states to 216 states and 216 transitions. [2018-07-23 13:43:47,592 INFO L78 Accepts]: Start accepts. Automaton has 216 states and 216 transitions. Word has length 214 [2018-07-23 13:43:47,592 INFO L84 Accepts]: Finished accepts. word is rejected. [2018-07-23 13:43:47,592 INFO L471 AbstractCegarLoop]: Abstraction has 216 states and 216 transitions. [2018-07-23 13:43:47,592 INFO L472 AbstractCegarLoop]: Interpolant automaton has 214 states. [2018-07-23 13:43:47,592 INFO L276 IsEmpty]: Start isEmpty. Operand 216 states and 216 transitions. [2018-07-23 13:43:47,592 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 216 [2018-07-23 13:43:47,593 INFO L349 BasicCegarLoop]: Found error trace [2018-07-23 13:43:47,593 INFO L357 BasicCegarLoop]: trace histogram [212, 1, 1, 1] [2018-07-23 13:43:47,593 INFO L414 AbstractCegarLoop]: === Iteration 213 === [ULTIMATE.startErr0AssertViolationASSERT]=== [2018-07-23 13:43:47,593 INFO L82 PathProgramCache]: Analyzing trace with hash 1045156353, now seen corresponding path program 212 times [2018-07-23 13:43:47,593 INFO L69 tionRefinementEngine]: Using refinement strategy FixedRefinementStrategy [2018-07-23 13:43:47,612 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-07-23 13:43:48,648 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 13:43:48,648 INFO L309 seRefinementStrategy]: Constructing automaton from 0 perfect and 1 imperfect interpolant sequences. [2018-07-23 13:43:48,648 INFO L324 seRefinementStrategy]: Number of different interpolants: perfect sequences [] imperfect sequences [214] total 214 [2018-07-23 13:43:48,648 INFO L142 lantAutomatonBuilder]: Constructing canonical interpolant automaton, with selfloop in false state [2018-07-23 13:43:48,649 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2018-07-23 13:43:48,649 INFO L185 omatonBuilderFactory]: Interpolants [117761#(<= ULTIMATE.start_main_~x~4 400), 117760#(<= ULTIMATE.start_main_~x~4 398), 117763#(<= ULTIMATE.start_main_~x~4 404), 117762#(<= ULTIMATE.start_main_~x~4 402), 117765#(<= ULTIMATE.start_main_~x~4 408), 117764#(<= ULTIMATE.start_main_~x~4 406), 117767#(<= ULTIMATE.start_main_~x~4 412), 117766#(<= ULTIMATE.start_main_~x~4 410), 117769#(<= ULTIMATE.start_main_~x~4 416), 117768#(<= ULTIMATE.start_main_~x~4 414), 117771#(<= ULTIMATE.start_main_~x~4 420), 117770#(<= ULTIMATE.start_main_~x~4 418), 117773#(<= ULTIMATE.start_main_~x~4 424), 117772#(<= ULTIMATE.start_main_~x~4 422), 117775#(<= ULTIMATE.start_main_~x~4 428), 117774#(<= ULTIMATE.start_main_~x~4 426), 117777#(<= ULTIMATE.start_main_~x~4 432), 117776#(<= ULTIMATE.start_main_~x~4 430), 117778#(<= ULTIMATE.start_main_~x~4 434), 117565#false, 117564#true, 117567#(<= ULTIMATE.start_main_~x~4 12), 117566#(<= ULTIMATE.start_main_~x~4 10), 117569#(<= ULTIMATE.start_main_~x~4 16), 117568#(<= ULTIMATE.start_main_~x~4 14), 117571#(<= ULTIMATE.start_main_~x~4 20), 117570#(<= ULTIMATE.start_main_~x~4 18), 117573#(<= ULTIMATE.start_main_~x~4 24), 117572#(<= ULTIMATE.start_main_~x~4 22), 117575#(<= ULTIMATE.start_main_~x~4 28), 117574#(<= ULTIMATE.start_main_~x~4 26), 117577#(<= ULTIMATE.start_main_~x~4 32), 117576#(<= ULTIMATE.start_main_~x~4 30), 117579#(<= ULTIMATE.start_main_~x~4 36), 117578#(<= ULTIMATE.start_main_~x~4 34), 117581#(<= ULTIMATE.start_main_~x~4 40), 117580#(<= ULTIMATE.start_main_~x~4 38), 117583#(<= ULTIMATE.start_main_~x~4 44), 117582#(<= ULTIMATE.start_main_~x~4 42), 117585#(<= ULTIMATE.start_main_~x~4 48), 117584#(<= ULTIMATE.start_main_~x~4 46), 117587#(<= ULTIMATE.start_main_~x~4 52), 117586#(<= ULTIMATE.start_main_~x~4 50), 117589#(<= ULTIMATE.start_main_~x~4 56), 117588#(<= ULTIMATE.start_main_~x~4 54), 117591#(<= ULTIMATE.start_main_~x~4 60), 117590#(<= ULTIMATE.start_main_~x~4 58), 117593#(<= ULTIMATE.start_main_~x~4 64), 117592#(<= ULTIMATE.start_main_~x~4 62), 117595#(<= ULTIMATE.start_main_~x~4 68), 117594#(<= ULTIMATE.start_main_~x~4 66), 117597#(<= ULTIMATE.start_main_~x~4 72), 117596#(<= ULTIMATE.start_main_~x~4 70), 117599#(<= ULTIMATE.start_main_~x~4 76), 117598#(<= ULTIMATE.start_main_~x~4 74), 117601#(<= ULTIMATE.start_main_~x~4 80), 117600#(<= ULTIMATE.start_main_~x~4 78), 117603#(<= ULTIMATE.start_main_~x~4 84), 117602#(<= ULTIMATE.start_main_~x~4 82), 117605#(<= ULTIMATE.start_main_~x~4 88), 117604#(<= ULTIMATE.start_main_~x~4 86), 117607#(<= ULTIMATE.start_main_~x~4 92), 117606#(<= ULTIMATE.start_main_~x~4 90), 117609#(<= ULTIMATE.start_main_~x~4 96), 117608#(<= ULTIMATE.start_main_~x~4 94), 117611#(<= ULTIMATE.start_main_~x~4 100), 117610#(<= ULTIMATE.start_main_~x~4 98), 117613#(<= ULTIMATE.start_main_~x~4 104), 117612#(<= ULTIMATE.start_main_~x~4 102), 117615#(<= ULTIMATE.start_main_~x~4 108), 117614#(<= ULTIMATE.start_main_~x~4 106), 117617#(<= ULTIMATE.start_main_~x~4 112), 117616#(<= ULTIMATE.start_main_~x~4 110), 117619#(<= ULTIMATE.start_main_~x~4 116), 117618#(<= ULTIMATE.start_main_~x~4 114), 117621#(<= ULTIMATE.start_main_~x~4 120), 117620#(<= ULTIMATE.start_main_~x~4 118), 117623#(<= ULTIMATE.start_main_~x~4 124), 117622#(<= ULTIMATE.start_main_~x~4 122), 117625#(<= ULTIMATE.start_main_~x~4 128), 117624#(<= ULTIMATE.start_main_~x~4 126), 117627#(<= ULTIMATE.start_main_~x~4 132), 117626#(<= ULTIMATE.start_main_~x~4 130), 117629#(<= ULTIMATE.start_main_~x~4 136), 117628#(<= ULTIMATE.start_main_~x~4 134), 117631#(<= ULTIMATE.start_main_~x~4 140), 117630#(<= ULTIMATE.start_main_~x~4 138), 117633#(<= ULTIMATE.start_main_~x~4 144), 117632#(<= ULTIMATE.start_main_~x~4 142), 117635#(<= ULTIMATE.start_main_~x~4 148), 117634#(<= ULTIMATE.start_main_~x~4 146), 117637#(<= ULTIMATE.start_main_~x~4 152), 117636#(<= ULTIMATE.start_main_~x~4 150), 117639#(<= ULTIMATE.start_main_~x~4 156), 117638#(<= ULTIMATE.start_main_~x~4 154), 117641#(<= ULTIMATE.start_main_~x~4 160), 117640#(<= ULTIMATE.start_main_~x~4 158), 117643#(<= ULTIMATE.start_main_~x~4 164), 117642#(<= ULTIMATE.start_main_~x~4 162), 117645#(<= ULTIMATE.start_main_~x~4 168), 117644#(<= ULTIMATE.start_main_~x~4 166), 117647#(<= ULTIMATE.start_main_~x~4 172), 117646#(<= ULTIMATE.start_main_~x~4 170), 117649#(<= ULTIMATE.start_main_~x~4 176), 117648#(<= ULTIMATE.start_main_~x~4 174), 117651#(<= ULTIMATE.start_main_~x~4 180), 117650#(<= ULTIMATE.start_main_~x~4 178), 117653#(<= ULTIMATE.start_main_~x~4 184), 117652#(<= ULTIMATE.start_main_~x~4 182), 117655#(<= ULTIMATE.start_main_~x~4 188), 117654#(<= ULTIMATE.start_main_~x~4 186), 117657#(<= ULTIMATE.start_main_~x~4 192), 117656#(<= ULTIMATE.start_main_~x~4 190), 117659#(<= ULTIMATE.start_main_~x~4 196), 117658#(<= ULTIMATE.start_main_~x~4 194), 117661#(<= ULTIMATE.start_main_~x~4 200), 117660#(<= ULTIMATE.start_main_~x~4 198), 117663#(<= ULTIMATE.start_main_~x~4 204), 117662#(<= ULTIMATE.start_main_~x~4 202), 117665#(<= ULTIMATE.start_main_~x~4 208), 117664#(<= ULTIMATE.start_main_~x~4 206), 117667#(<= ULTIMATE.start_main_~x~4 212), 117666#(<= ULTIMATE.start_main_~x~4 210), 117669#(<= ULTIMATE.start_main_~x~4 216), 117668#(<= ULTIMATE.start_main_~x~4 214), 117671#(<= ULTIMATE.start_main_~x~4 220), 117670#(<= ULTIMATE.start_main_~x~4 218), 117673#(<= ULTIMATE.start_main_~x~4 224), 117672#(<= ULTIMATE.start_main_~x~4 222), 117675#(<= ULTIMATE.start_main_~x~4 228), 117674#(<= ULTIMATE.start_main_~x~4 226), 117677#(<= ULTIMATE.start_main_~x~4 232), 117676#(<= ULTIMATE.start_main_~x~4 230), 117679#(<= ULTIMATE.start_main_~x~4 236), 117678#(<= ULTIMATE.start_main_~x~4 234), 117681#(<= ULTIMATE.start_main_~x~4 240), 117680#(<= ULTIMATE.start_main_~x~4 238), 117683#(<= ULTIMATE.start_main_~x~4 244), 117682#(<= ULTIMATE.start_main_~x~4 242), 117685#(<= ULTIMATE.start_main_~x~4 248), 117684#(<= ULTIMATE.start_main_~x~4 246), 117687#(<= ULTIMATE.start_main_~x~4 252), 117686#(<= ULTIMATE.start_main_~x~4 250), 117689#(<= ULTIMATE.start_main_~x~4 256), 117688#(<= ULTIMATE.start_main_~x~4 254), 117691#(<= ULTIMATE.start_main_~x~4 260), 117690#(<= ULTIMATE.start_main_~x~4 258), 117693#(<= ULTIMATE.start_main_~x~4 264), 117692#(<= ULTIMATE.start_main_~x~4 262), 117695#(<= ULTIMATE.start_main_~x~4 268), 117694#(<= ULTIMATE.start_main_~x~4 266), 117697#(<= ULTIMATE.start_main_~x~4 272), 117696#(<= ULTIMATE.start_main_~x~4 270), 117699#(<= ULTIMATE.start_main_~x~4 276), 117698#(<= ULTIMATE.start_main_~x~4 274), 117701#(<= ULTIMATE.start_main_~x~4 280), 117700#(<= ULTIMATE.start_main_~x~4 278), 117703#(<= ULTIMATE.start_main_~x~4 284), 117702#(<= ULTIMATE.start_main_~x~4 282), 117705#(<= ULTIMATE.start_main_~x~4 288), 117704#(<= ULTIMATE.start_main_~x~4 286), 117707#(<= ULTIMATE.start_main_~x~4 292), 117706#(<= ULTIMATE.start_main_~x~4 290), 117709#(<= ULTIMATE.start_main_~x~4 296), 117708#(<= ULTIMATE.start_main_~x~4 294), 117711#(<= ULTIMATE.start_main_~x~4 300), 117710#(<= ULTIMATE.start_main_~x~4 298), 117713#(<= ULTIMATE.start_main_~x~4 304), 117712#(<= ULTIMATE.start_main_~x~4 302), 117715#(<= ULTIMATE.start_main_~x~4 308), 117714#(<= ULTIMATE.start_main_~x~4 306), 117717#(<= ULTIMATE.start_main_~x~4 312), 117716#(<= ULTIMATE.start_main_~x~4 310), 117719#(<= ULTIMATE.start_main_~x~4 316), 117718#(<= ULTIMATE.start_main_~x~4 314), 117721#(<= ULTIMATE.start_main_~x~4 320), 117720#(<= ULTIMATE.start_main_~x~4 318), 117723#(<= ULTIMATE.start_main_~x~4 324), 117722#(<= ULTIMATE.start_main_~x~4 322), 117725#(<= ULTIMATE.start_main_~x~4 328), 117724#(<= ULTIMATE.start_main_~x~4 326), 117727#(<= ULTIMATE.start_main_~x~4 332), 117726#(<= ULTIMATE.start_main_~x~4 330), 117729#(<= ULTIMATE.start_main_~x~4 336), 117728#(<= ULTIMATE.start_main_~x~4 334), 117731#(<= ULTIMATE.start_main_~x~4 340), 117730#(<= ULTIMATE.start_main_~x~4 338), 117733#(<= ULTIMATE.start_main_~x~4 344), 117732#(<= ULTIMATE.start_main_~x~4 342), 117735#(<= ULTIMATE.start_main_~x~4 348), 117734#(<= ULTIMATE.start_main_~x~4 346), 117737#(<= ULTIMATE.start_main_~x~4 352), 117736#(<= ULTIMATE.start_main_~x~4 350), 117739#(<= ULTIMATE.start_main_~x~4 356), 117738#(<= ULTIMATE.start_main_~x~4 354), 117741#(<= ULTIMATE.start_main_~x~4 360), 117740#(<= ULTIMATE.start_main_~x~4 358), 117743#(<= ULTIMATE.start_main_~x~4 364), 117742#(<= ULTIMATE.start_main_~x~4 362), 117745#(<= ULTIMATE.start_main_~x~4 368), 117744#(<= ULTIMATE.start_main_~x~4 366), 117747#(<= ULTIMATE.start_main_~x~4 372), 117746#(<= ULTIMATE.start_main_~x~4 370), 117749#(<= ULTIMATE.start_main_~x~4 376), 117748#(<= ULTIMATE.start_main_~x~4 374), 117751#(<= ULTIMATE.start_main_~x~4 380), 117750#(<= ULTIMATE.start_main_~x~4 378), 117753#(<= ULTIMATE.start_main_~x~4 384), 117752#(<= ULTIMATE.start_main_~x~4 382), 117755#(<= ULTIMATE.start_main_~x~4 388), 117754#(<= ULTIMATE.start_main_~x~4 386), 117757#(<= ULTIMATE.start_main_~x~4 392), 117756#(<= ULTIMATE.start_main_~x~4 390), 117759#(<= ULTIMATE.start_main_~x~4 396), 117758#(<= ULTIMATE.start_main_~x~4 394)] [2018-07-23 13:43:48,650 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 13:43:48,650 INFO L450 AbstractCegarLoop]: Interpolant automaton has 215 states [2018-07-23 13:43:48,653 INFO L132 InterpolantAutomaton]: Constructing interpolant automaton starting with 215 interpolants. [2018-07-23 13:43:48,656 INFO L133 InterpolantAutomaton]: CoverageRelationStatistics Valid=23005, Invalid=23005, Unknown=0, NotChecked=0, Total=46010 [2018-07-23 13:43:48,656 INFO L87 Difference]: Start difference. First operand 216 states and 216 transitions. Second operand 215 states. [2018-07-23 13:43:49,661 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2018-07-23 13:43:49,662 INFO L93 Difference]: Finished difference Result 219 states and 219 transitions. [2018-07-23 13:43:49,662 INFO L142 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 215 states. [2018-07-23 13:43:49,662 INFO L78 Accepts]: Start accepts. Automaton has 215 states. Word has length 215 [2018-07-23 13:43:49,662 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2018-07-23 13:43:49,662 INFO L225 Difference]: With dead ends: 219 [2018-07-23 13:43:49,662 INFO L226 Difference]: Without dead ends: 217 [2018-07-23 13:43:49,665 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 13:43:49,665 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 217 states. [2018-07-23 13:43:49,667 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 217 to 217. [2018-07-23 13:43:49,667 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 217 states. [2018-07-23 13:43:49,668 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 217 states to 217 states and 217 transitions. [2018-07-23 13:43:49,668 INFO L78 Accepts]: Start accepts. Automaton has 217 states and 217 transitions. Word has length 215 [2018-07-23 13:43:49,668 INFO L84 Accepts]: Finished accepts. word is rejected. [2018-07-23 13:43:49,668 INFO L471 AbstractCegarLoop]: Abstraction has 217 states and 217 transitions. [2018-07-23 13:43:49,668 INFO L472 AbstractCegarLoop]: Interpolant automaton has 215 states. [2018-07-23 13:43:49,668 INFO L276 IsEmpty]: Start isEmpty. Operand 217 states and 217 transitions. [2018-07-23 13:43:49,668 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 217 [2018-07-23 13:43:49,668 INFO L349 BasicCegarLoop]: Found error trace [2018-07-23 13:43:49,669 INFO L357 BasicCegarLoop]: trace histogram [213, 1, 1, 1] [2018-07-23 13:43:49,669 INFO L414 AbstractCegarLoop]: === Iteration 214 === [ULTIMATE.startErr0AssertViolationASSERT]=== [2018-07-23 13:43:49,669 INFO L82 PathProgramCache]: Analyzing trace with hash -1959893400, now seen corresponding path program 213 times [2018-07-23 13:43:49,669 INFO L69 tionRefinementEngine]: Using refinement strategy FixedRefinementStrategy [2018-07-23 13:43:49,684 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-07-23 13:43:50,656 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 13:43:50,656 INFO L309 seRefinementStrategy]: Constructing automaton from 0 perfect and 1 imperfect interpolant sequences. [2018-07-23 13:43:50,656 INFO L324 seRefinementStrategy]: Number of different interpolants: perfect sequences [] imperfect sequences [215] total 215 [2018-07-23 13:43:50,657 INFO L142 lantAutomatonBuilder]: Constructing canonical interpolant automaton, with selfloop in false state [2018-07-23 13:43:50,657 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 13:43:50,657 INFO L185 omatonBuilderFactory]: Interpolants [118785#(<= ULTIMATE.start_main_~x~4 274), 118784#(<= ULTIMATE.start_main_~x~4 272), 118787#(<= ULTIMATE.start_main_~x~4 278), 118786#(<= ULTIMATE.start_main_~x~4 276), 118789#(<= ULTIMATE.start_main_~x~4 282), 118788#(<= ULTIMATE.start_main_~x~4 280), 118791#(<= ULTIMATE.start_main_~x~4 286), 118790#(<= ULTIMATE.start_main_~x~4 284), 118793#(<= ULTIMATE.start_main_~x~4 290), 118792#(<= ULTIMATE.start_main_~x~4 288), 118795#(<= ULTIMATE.start_main_~x~4 294), 118794#(<= ULTIMATE.start_main_~x~4 292), 118797#(<= ULTIMATE.start_main_~x~4 298), 118796#(<= ULTIMATE.start_main_~x~4 296), 118799#(<= ULTIMATE.start_main_~x~4 302), 118798#(<= ULTIMATE.start_main_~x~4 300), 118801#(<= ULTIMATE.start_main_~x~4 306), 118800#(<= ULTIMATE.start_main_~x~4 304), 118803#(<= ULTIMATE.start_main_~x~4 310), 118802#(<= ULTIMATE.start_main_~x~4 308), 118805#(<= ULTIMATE.start_main_~x~4 314), 118804#(<= ULTIMATE.start_main_~x~4 312), 118807#(<= ULTIMATE.start_main_~x~4 318), 118806#(<= ULTIMATE.start_main_~x~4 316), 118809#(<= ULTIMATE.start_main_~x~4 322), 118808#(<= ULTIMATE.start_main_~x~4 320), 118811#(<= ULTIMATE.start_main_~x~4 326), 118810#(<= ULTIMATE.start_main_~x~4 324), 118813#(<= ULTIMATE.start_main_~x~4 330), 118812#(<= ULTIMATE.start_main_~x~4 328), 118815#(<= ULTIMATE.start_main_~x~4 334), 118814#(<= ULTIMATE.start_main_~x~4 332), 118817#(<= ULTIMATE.start_main_~x~4 338), 118816#(<= ULTIMATE.start_main_~x~4 336), 118819#(<= ULTIMATE.start_main_~x~4 342), 118818#(<= ULTIMATE.start_main_~x~4 340), 118821#(<= ULTIMATE.start_main_~x~4 346), 118820#(<= ULTIMATE.start_main_~x~4 344), 118823#(<= ULTIMATE.start_main_~x~4 350), 118822#(<= ULTIMATE.start_main_~x~4 348), 118825#(<= ULTIMATE.start_main_~x~4 354), 118824#(<= ULTIMATE.start_main_~x~4 352), 118827#(<= ULTIMATE.start_main_~x~4 358), 118826#(<= ULTIMATE.start_main_~x~4 356), 118829#(<= ULTIMATE.start_main_~x~4 362), 118828#(<= ULTIMATE.start_main_~x~4 360), 118831#(<= ULTIMATE.start_main_~x~4 366), 118830#(<= ULTIMATE.start_main_~x~4 364), 118833#(<= ULTIMATE.start_main_~x~4 370), 118832#(<= ULTIMATE.start_main_~x~4 368), 118835#(<= ULTIMATE.start_main_~x~4 374), 118834#(<= ULTIMATE.start_main_~x~4 372), 118837#(<= ULTIMATE.start_main_~x~4 378), 118836#(<= ULTIMATE.start_main_~x~4 376), 118839#(<= ULTIMATE.start_main_~x~4 382), 118838#(<= ULTIMATE.start_main_~x~4 380), 118841#(<= ULTIMATE.start_main_~x~4 386), 118840#(<= ULTIMATE.start_main_~x~4 384), 118843#(<= ULTIMATE.start_main_~x~4 390), 118842#(<= ULTIMATE.start_main_~x~4 388), 118845#(<= ULTIMATE.start_main_~x~4 394), 118844#(<= ULTIMATE.start_main_~x~4 392), 118847#(<= ULTIMATE.start_main_~x~4 398), 118846#(<= ULTIMATE.start_main_~x~4 396), 118849#(<= ULTIMATE.start_main_~x~4 402), 118848#(<= ULTIMATE.start_main_~x~4 400), 118851#(<= ULTIMATE.start_main_~x~4 406), 118850#(<= ULTIMATE.start_main_~x~4 404), 118853#(<= ULTIMATE.start_main_~x~4 410), 118852#(<= ULTIMATE.start_main_~x~4 408), 118855#(<= ULTIMATE.start_main_~x~4 414), 118854#(<= ULTIMATE.start_main_~x~4 412), 118857#(<= ULTIMATE.start_main_~x~4 418), 118856#(<= ULTIMATE.start_main_~x~4 416), 118859#(<= ULTIMATE.start_main_~x~4 422), 118858#(<= ULTIMATE.start_main_~x~4 420), 118861#(<= ULTIMATE.start_main_~x~4 426), 118860#(<= ULTIMATE.start_main_~x~4 424), 118863#(<= ULTIMATE.start_main_~x~4 430), 118862#(<= ULTIMATE.start_main_~x~4 428), 118865#(<= ULTIMATE.start_main_~x~4 434), 118864#(<= ULTIMATE.start_main_~x~4 432), 118866#(<= ULTIMATE.start_main_~x~4 436), 118651#true, 118653#(<= ULTIMATE.start_main_~x~4 10), 118652#false, 118655#(<= ULTIMATE.start_main_~x~4 14), 118654#(<= ULTIMATE.start_main_~x~4 12), 118657#(<= ULTIMATE.start_main_~x~4 18), 118656#(<= ULTIMATE.start_main_~x~4 16), 118659#(<= ULTIMATE.start_main_~x~4 22), 118658#(<= ULTIMATE.start_main_~x~4 20), 118661#(<= ULTIMATE.start_main_~x~4 26), 118660#(<= ULTIMATE.start_main_~x~4 24), 118663#(<= ULTIMATE.start_main_~x~4 30), 118662#(<= ULTIMATE.start_main_~x~4 28), 118665#(<= ULTIMATE.start_main_~x~4 34), 118664#(<= ULTIMATE.start_main_~x~4 32), 118667#(<= ULTIMATE.start_main_~x~4 38), 118666#(<= ULTIMATE.start_main_~x~4 36), 118669#(<= ULTIMATE.start_main_~x~4 42), 118668#(<= ULTIMATE.start_main_~x~4 40), 118671#(<= ULTIMATE.start_main_~x~4 46), 118670#(<= ULTIMATE.start_main_~x~4 44), 118673#(<= ULTIMATE.start_main_~x~4 50), 118672#(<= ULTIMATE.start_main_~x~4 48), 118675#(<= ULTIMATE.start_main_~x~4 54), 118674#(<= ULTIMATE.start_main_~x~4 52), 118677#(<= ULTIMATE.start_main_~x~4 58), 118676#(<= ULTIMATE.start_main_~x~4 56), 118679#(<= ULTIMATE.start_main_~x~4 62), 118678#(<= ULTIMATE.start_main_~x~4 60), 118681#(<= ULTIMATE.start_main_~x~4 66), 118680#(<= ULTIMATE.start_main_~x~4 64), 118683#(<= ULTIMATE.start_main_~x~4 70), 118682#(<= ULTIMATE.start_main_~x~4 68), 118685#(<= ULTIMATE.start_main_~x~4 74), 118684#(<= ULTIMATE.start_main_~x~4 72), 118687#(<= ULTIMATE.start_main_~x~4 78), 118686#(<= ULTIMATE.start_main_~x~4 76), 118689#(<= ULTIMATE.start_main_~x~4 82), 118688#(<= ULTIMATE.start_main_~x~4 80), 118691#(<= ULTIMATE.start_main_~x~4 86), 118690#(<= ULTIMATE.start_main_~x~4 84), 118693#(<= ULTIMATE.start_main_~x~4 90), 118692#(<= ULTIMATE.start_main_~x~4 88), 118695#(<= ULTIMATE.start_main_~x~4 94), 118694#(<= ULTIMATE.start_main_~x~4 92), 118697#(<= ULTIMATE.start_main_~x~4 98), 118696#(<= ULTIMATE.start_main_~x~4 96), 118699#(<= ULTIMATE.start_main_~x~4 102), 118698#(<= ULTIMATE.start_main_~x~4 100), 118701#(<= ULTIMATE.start_main_~x~4 106), 118700#(<= ULTIMATE.start_main_~x~4 104), 118703#(<= ULTIMATE.start_main_~x~4 110), 118702#(<= ULTIMATE.start_main_~x~4 108), 118705#(<= ULTIMATE.start_main_~x~4 114), 118704#(<= ULTIMATE.start_main_~x~4 112), 118707#(<= ULTIMATE.start_main_~x~4 118), 118706#(<= ULTIMATE.start_main_~x~4 116), 118709#(<= ULTIMATE.start_main_~x~4 122), 118708#(<= ULTIMATE.start_main_~x~4 120), 118711#(<= ULTIMATE.start_main_~x~4 126), 118710#(<= ULTIMATE.start_main_~x~4 124), 118713#(<= ULTIMATE.start_main_~x~4 130), 118712#(<= ULTIMATE.start_main_~x~4 128), 118715#(<= ULTIMATE.start_main_~x~4 134), 118714#(<= ULTIMATE.start_main_~x~4 132), 118717#(<= ULTIMATE.start_main_~x~4 138), 118716#(<= ULTIMATE.start_main_~x~4 136), 118719#(<= ULTIMATE.start_main_~x~4 142), 118718#(<= ULTIMATE.start_main_~x~4 140), 118721#(<= ULTIMATE.start_main_~x~4 146), 118720#(<= ULTIMATE.start_main_~x~4 144), 118723#(<= ULTIMATE.start_main_~x~4 150), 118722#(<= ULTIMATE.start_main_~x~4 148), 118725#(<= ULTIMATE.start_main_~x~4 154), 118724#(<= ULTIMATE.start_main_~x~4 152), 118727#(<= ULTIMATE.start_main_~x~4 158), 118726#(<= ULTIMATE.start_main_~x~4 156), 118729#(<= ULTIMATE.start_main_~x~4 162), 118728#(<= ULTIMATE.start_main_~x~4 160), 118731#(<= ULTIMATE.start_main_~x~4 166), 118730#(<= ULTIMATE.start_main_~x~4 164), 118733#(<= ULTIMATE.start_main_~x~4 170), 118732#(<= ULTIMATE.start_main_~x~4 168), 118735#(<= ULTIMATE.start_main_~x~4 174), 118734#(<= ULTIMATE.start_main_~x~4 172), 118737#(<= ULTIMATE.start_main_~x~4 178), 118736#(<= ULTIMATE.start_main_~x~4 176), 118739#(<= ULTIMATE.start_main_~x~4 182), 118738#(<= ULTIMATE.start_main_~x~4 180), 118741#(<= ULTIMATE.start_main_~x~4 186), 118740#(<= ULTIMATE.start_main_~x~4 184), 118743#(<= ULTIMATE.start_main_~x~4 190), 118742#(<= ULTIMATE.start_main_~x~4 188), 118745#(<= ULTIMATE.start_main_~x~4 194), 118744#(<= ULTIMATE.start_main_~x~4 192), 118747#(<= ULTIMATE.start_main_~x~4 198), 118746#(<= ULTIMATE.start_main_~x~4 196), 118749#(<= ULTIMATE.start_main_~x~4 202), 118748#(<= ULTIMATE.start_main_~x~4 200), 118751#(<= ULTIMATE.start_main_~x~4 206), 118750#(<= ULTIMATE.start_main_~x~4 204), 118753#(<= ULTIMATE.start_main_~x~4 210), 118752#(<= ULTIMATE.start_main_~x~4 208), 118755#(<= ULTIMATE.start_main_~x~4 214), 118754#(<= ULTIMATE.start_main_~x~4 212), 118757#(<= ULTIMATE.start_main_~x~4 218), 118756#(<= ULTIMATE.start_main_~x~4 216), 118759#(<= ULTIMATE.start_main_~x~4 222), 118758#(<= ULTIMATE.start_main_~x~4 220), 118761#(<= ULTIMATE.start_main_~x~4 226), 118760#(<= ULTIMATE.start_main_~x~4 224), 118763#(<= ULTIMATE.start_main_~x~4 230), 118762#(<= ULTIMATE.start_main_~x~4 228), 118765#(<= ULTIMATE.start_main_~x~4 234), 118764#(<= ULTIMATE.start_main_~x~4 232), 118767#(<= ULTIMATE.start_main_~x~4 238), 118766#(<= ULTIMATE.start_main_~x~4 236), 118769#(<= ULTIMATE.start_main_~x~4 242), 118768#(<= ULTIMATE.start_main_~x~4 240), 118771#(<= ULTIMATE.start_main_~x~4 246), 118770#(<= ULTIMATE.start_main_~x~4 244), 118773#(<= ULTIMATE.start_main_~x~4 250), 118772#(<= ULTIMATE.start_main_~x~4 248), 118775#(<= ULTIMATE.start_main_~x~4 254), 118774#(<= ULTIMATE.start_main_~x~4 252), 118777#(<= ULTIMATE.start_main_~x~4 258), 118776#(<= ULTIMATE.start_main_~x~4 256), 118779#(<= ULTIMATE.start_main_~x~4 262), 118778#(<= ULTIMATE.start_main_~x~4 260), 118781#(<= ULTIMATE.start_main_~x~4 266), 118780#(<= ULTIMATE.start_main_~x~4 264), 118783#(<= ULTIMATE.start_main_~x~4 270), 118782#(<= ULTIMATE.start_main_~x~4 268)] [2018-07-23 13:43:50,658 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 13:43:50,659 INFO L450 AbstractCegarLoop]: Interpolant automaton has 216 states [2018-07-23 13:43:50,662 INFO L132 InterpolantAutomaton]: Constructing interpolant automaton starting with 216 interpolants. [2018-07-23 13:43:50,665 INFO L133 InterpolantAutomaton]: CoverageRelationStatistics Valid=23220, Invalid=23220, Unknown=0, NotChecked=0, Total=46440 [2018-07-23 13:43:50,665 INFO L87 Difference]: Start difference. First operand 217 states and 217 transitions. Second operand 216 states. [2018-07-23 13:43:51,056 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2018-07-23 13:43:51,057 INFO L93 Difference]: Finished difference Result 220 states and 220 transitions. [2018-07-23 13:43:51,057 INFO L142 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 216 states. [2018-07-23 13:43:51,057 INFO L78 Accepts]: Start accepts. Automaton has 216 states. Word has length 216 [2018-07-23 13:43:51,057 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2018-07-23 13:43:51,057 INFO L225 Difference]: With dead ends: 220 [2018-07-23 13:43:51,057 INFO L226 Difference]: Without dead ends: 218 [2018-07-23 13:43:51,060 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 13:43:51,060 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 218 states. [2018-07-23 13:43:51,062 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 218 to 218. [2018-07-23 13:43:51,062 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 218 states. [2018-07-23 13:43:51,063 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 218 states to 218 states and 218 transitions. [2018-07-23 13:43:51,063 INFO L78 Accepts]: Start accepts. Automaton has 218 states and 218 transitions. Word has length 216 [2018-07-23 13:43:51,063 INFO L84 Accepts]: Finished accepts. word is rejected. [2018-07-23 13:43:51,063 INFO L471 AbstractCegarLoop]: Abstraction has 218 states and 218 transitions. [2018-07-23 13:43:51,063 INFO L472 AbstractCegarLoop]: Interpolant automaton has 216 states. [2018-07-23 13:43:51,063 INFO L276 IsEmpty]: Start isEmpty. Operand 218 states and 218 transitions. [2018-07-23 13:43:51,063 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 218 [2018-07-23 13:43:51,064 INFO L349 BasicCegarLoop]: Found error trace [2018-07-23 13:43:51,064 INFO L357 BasicCegarLoop]: trace histogram [214, 1, 1, 1] [2018-07-23 13:43:51,064 INFO L414 AbstractCegarLoop]: === Iteration 215 === [ULTIMATE.startErr0AssertViolationASSERT]=== [2018-07-23 13:43:51,064 INFO L82 PathProgramCache]: Analyzing trace with hash -627155231, now seen corresponding path program 214 times [2018-07-23 13:43:51,064 INFO L69 tionRefinementEngine]: Using refinement strategy FixedRefinementStrategy [2018-07-23 13:43:51,081 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-07-23 13:43:52,048 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 13:43:52,049 INFO L309 seRefinementStrategy]: Constructing automaton from 0 perfect and 1 imperfect interpolant sequences. [2018-07-23 13:43:52,049 INFO L324 seRefinementStrategy]: Number of different interpolants: perfect sequences [] imperfect sequences [216] total 216 [2018-07-23 13:43:52,049 INFO L142 lantAutomatonBuilder]: Constructing canonical interpolant automaton, with selfloop in false state [2018-07-23 13:43:52,049 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 13:43:52,049 INFO L185 omatonBuilderFactory]: Interpolants [119809#(<= ULTIMATE.start_main_~x~4 138), 119808#(<= ULTIMATE.start_main_~x~4 136), 119811#(<= ULTIMATE.start_main_~x~4 142), 119810#(<= ULTIMATE.start_main_~x~4 140), 119813#(<= ULTIMATE.start_main_~x~4 146), 119812#(<= ULTIMATE.start_main_~x~4 144), 119815#(<= ULTIMATE.start_main_~x~4 150), 119814#(<= ULTIMATE.start_main_~x~4 148), 119817#(<= ULTIMATE.start_main_~x~4 154), 119816#(<= ULTIMATE.start_main_~x~4 152), 119819#(<= ULTIMATE.start_main_~x~4 158), 119818#(<= ULTIMATE.start_main_~x~4 156), 119821#(<= ULTIMATE.start_main_~x~4 162), 119820#(<= ULTIMATE.start_main_~x~4 160), 119823#(<= ULTIMATE.start_main_~x~4 166), 119822#(<= ULTIMATE.start_main_~x~4 164), 119825#(<= ULTIMATE.start_main_~x~4 170), 119824#(<= ULTIMATE.start_main_~x~4 168), 119827#(<= ULTIMATE.start_main_~x~4 174), 119826#(<= ULTIMATE.start_main_~x~4 172), 119829#(<= ULTIMATE.start_main_~x~4 178), 119828#(<= ULTIMATE.start_main_~x~4 176), 119831#(<= ULTIMATE.start_main_~x~4 182), 119830#(<= ULTIMATE.start_main_~x~4 180), 119833#(<= ULTIMATE.start_main_~x~4 186), 119832#(<= ULTIMATE.start_main_~x~4 184), 119835#(<= ULTIMATE.start_main_~x~4 190), 119834#(<= ULTIMATE.start_main_~x~4 188), 119837#(<= ULTIMATE.start_main_~x~4 194), 119836#(<= ULTIMATE.start_main_~x~4 192), 119839#(<= ULTIMATE.start_main_~x~4 198), 119838#(<= ULTIMATE.start_main_~x~4 196), 119841#(<= ULTIMATE.start_main_~x~4 202), 119840#(<= ULTIMATE.start_main_~x~4 200), 119843#(<= ULTIMATE.start_main_~x~4 206), 119842#(<= ULTIMATE.start_main_~x~4 204), 119845#(<= ULTIMATE.start_main_~x~4 210), 119844#(<= ULTIMATE.start_main_~x~4 208), 119847#(<= ULTIMATE.start_main_~x~4 214), 119846#(<= ULTIMATE.start_main_~x~4 212), 119849#(<= ULTIMATE.start_main_~x~4 218), 119848#(<= ULTIMATE.start_main_~x~4 216), 119851#(<= ULTIMATE.start_main_~x~4 222), 119850#(<= ULTIMATE.start_main_~x~4 220), 119853#(<= ULTIMATE.start_main_~x~4 226), 119852#(<= ULTIMATE.start_main_~x~4 224), 119855#(<= ULTIMATE.start_main_~x~4 230), 119854#(<= ULTIMATE.start_main_~x~4 228), 119857#(<= ULTIMATE.start_main_~x~4 234), 119856#(<= ULTIMATE.start_main_~x~4 232), 119859#(<= ULTIMATE.start_main_~x~4 238), 119858#(<= ULTIMATE.start_main_~x~4 236), 119861#(<= ULTIMATE.start_main_~x~4 242), 119860#(<= ULTIMATE.start_main_~x~4 240), 119863#(<= ULTIMATE.start_main_~x~4 246), 119862#(<= ULTIMATE.start_main_~x~4 244), 119865#(<= ULTIMATE.start_main_~x~4 250), 119864#(<= ULTIMATE.start_main_~x~4 248), 119867#(<= ULTIMATE.start_main_~x~4 254), 119866#(<= ULTIMATE.start_main_~x~4 252), 119869#(<= ULTIMATE.start_main_~x~4 258), 119868#(<= ULTIMATE.start_main_~x~4 256), 119871#(<= ULTIMATE.start_main_~x~4 262), 119870#(<= ULTIMATE.start_main_~x~4 260), 119873#(<= ULTIMATE.start_main_~x~4 266), 119872#(<= ULTIMATE.start_main_~x~4 264), 119875#(<= ULTIMATE.start_main_~x~4 270), 119874#(<= ULTIMATE.start_main_~x~4 268), 119877#(<= ULTIMATE.start_main_~x~4 274), 119876#(<= ULTIMATE.start_main_~x~4 272), 119879#(<= ULTIMATE.start_main_~x~4 278), 119878#(<= ULTIMATE.start_main_~x~4 276), 119881#(<= ULTIMATE.start_main_~x~4 282), 119880#(<= ULTIMATE.start_main_~x~4 280), 119883#(<= ULTIMATE.start_main_~x~4 286), 119882#(<= ULTIMATE.start_main_~x~4 284), 119885#(<= ULTIMATE.start_main_~x~4 290), 119884#(<= ULTIMATE.start_main_~x~4 288), 119887#(<= ULTIMATE.start_main_~x~4 294), 119886#(<= ULTIMATE.start_main_~x~4 292), 119889#(<= ULTIMATE.start_main_~x~4 298), 119888#(<= ULTIMATE.start_main_~x~4 296), 119891#(<= ULTIMATE.start_main_~x~4 302), 119890#(<= ULTIMATE.start_main_~x~4 300), 119893#(<= ULTIMATE.start_main_~x~4 306), 119892#(<= ULTIMATE.start_main_~x~4 304), 119895#(<= ULTIMATE.start_main_~x~4 310), 119894#(<= ULTIMATE.start_main_~x~4 308), 119897#(<= ULTIMATE.start_main_~x~4 314), 119896#(<= ULTIMATE.start_main_~x~4 312), 119899#(<= ULTIMATE.start_main_~x~4 318), 119898#(<= ULTIMATE.start_main_~x~4 316), 119901#(<= ULTIMATE.start_main_~x~4 322), 119900#(<= ULTIMATE.start_main_~x~4 320), 119903#(<= ULTIMATE.start_main_~x~4 326), 119902#(<= ULTIMATE.start_main_~x~4 324), 119905#(<= ULTIMATE.start_main_~x~4 330), 119904#(<= ULTIMATE.start_main_~x~4 328), 119907#(<= ULTIMATE.start_main_~x~4 334), 119906#(<= ULTIMATE.start_main_~x~4 332), 119909#(<= ULTIMATE.start_main_~x~4 338), 119908#(<= ULTIMATE.start_main_~x~4 336), 119911#(<= ULTIMATE.start_main_~x~4 342), 119910#(<= ULTIMATE.start_main_~x~4 340), 119913#(<= ULTIMATE.start_main_~x~4 346), 119912#(<= ULTIMATE.start_main_~x~4 344), 119915#(<= ULTIMATE.start_main_~x~4 350), 119914#(<= ULTIMATE.start_main_~x~4 348), 119917#(<= ULTIMATE.start_main_~x~4 354), 119916#(<= ULTIMATE.start_main_~x~4 352), 119919#(<= ULTIMATE.start_main_~x~4 358), 119918#(<= ULTIMATE.start_main_~x~4 356), 119921#(<= ULTIMATE.start_main_~x~4 362), 119920#(<= ULTIMATE.start_main_~x~4 360), 119923#(<= ULTIMATE.start_main_~x~4 366), 119922#(<= ULTIMATE.start_main_~x~4 364), 119925#(<= ULTIMATE.start_main_~x~4 370), 119924#(<= ULTIMATE.start_main_~x~4 368), 119927#(<= ULTIMATE.start_main_~x~4 374), 119926#(<= ULTIMATE.start_main_~x~4 372), 119929#(<= ULTIMATE.start_main_~x~4 378), 119928#(<= ULTIMATE.start_main_~x~4 376), 119931#(<= ULTIMATE.start_main_~x~4 382), 119930#(<= ULTIMATE.start_main_~x~4 380), 119933#(<= ULTIMATE.start_main_~x~4 386), 119932#(<= ULTIMATE.start_main_~x~4 384), 119935#(<= ULTIMATE.start_main_~x~4 390), 119934#(<= ULTIMATE.start_main_~x~4 388), 119937#(<= ULTIMATE.start_main_~x~4 394), 119936#(<= ULTIMATE.start_main_~x~4 392), 119939#(<= ULTIMATE.start_main_~x~4 398), 119938#(<= ULTIMATE.start_main_~x~4 396), 119941#(<= ULTIMATE.start_main_~x~4 402), 119940#(<= ULTIMATE.start_main_~x~4 400), 119943#(<= ULTIMATE.start_main_~x~4 406), 119942#(<= ULTIMATE.start_main_~x~4 404), 119945#(<= ULTIMATE.start_main_~x~4 410), 119944#(<= ULTIMATE.start_main_~x~4 408), 119947#(<= ULTIMATE.start_main_~x~4 414), 119946#(<= ULTIMATE.start_main_~x~4 412), 119949#(<= ULTIMATE.start_main_~x~4 418), 119948#(<= ULTIMATE.start_main_~x~4 416), 119951#(<= ULTIMATE.start_main_~x~4 422), 119950#(<= ULTIMATE.start_main_~x~4 420), 119953#(<= ULTIMATE.start_main_~x~4 426), 119952#(<= ULTIMATE.start_main_~x~4 424), 119955#(<= ULTIMATE.start_main_~x~4 430), 119954#(<= ULTIMATE.start_main_~x~4 428), 119957#(<= ULTIMATE.start_main_~x~4 434), 119956#(<= ULTIMATE.start_main_~x~4 432), 119959#(<= ULTIMATE.start_main_~x~4 438), 119958#(<= ULTIMATE.start_main_~x~4 436), 119743#true, 119745#(<= ULTIMATE.start_main_~x~4 10), 119744#false, 119747#(<= ULTIMATE.start_main_~x~4 14), 119746#(<= ULTIMATE.start_main_~x~4 12), 119749#(<= ULTIMATE.start_main_~x~4 18), 119748#(<= ULTIMATE.start_main_~x~4 16), 119751#(<= ULTIMATE.start_main_~x~4 22), 119750#(<= ULTIMATE.start_main_~x~4 20), 119753#(<= ULTIMATE.start_main_~x~4 26), 119752#(<= ULTIMATE.start_main_~x~4 24), 119755#(<= ULTIMATE.start_main_~x~4 30), 119754#(<= ULTIMATE.start_main_~x~4 28), 119757#(<= ULTIMATE.start_main_~x~4 34), 119756#(<= ULTIMATE.start_main_~x~4 32), 119759#(<= ULTIMATE.start_main_~x~4 38), 119758#(<= ULTIMATE.start_main_~x~4 36), 119761#(<= ULTIMATE.start_main_~x~4 42), 119760#(<= ULTIMATE.start_main_~x~4 40), 119763#(<= ULTIMATE.start_main_~x~4 46), 119762#(<= ULTIMATE.start_main_~x~4 44), 119765#(<= ULTIMATE.start_main_~x~4 50), 119764#(<= ULTIMATE.start_main_~x~4 48), 119767#(<= ULTIMATE.start_main_~x~4 54), 119766#(<= ULTIMATE.start_main_~x~4 52), 119769#(<= ULTIMATE.start_main_~x~4 58), 119768#(<= ULTIMATE.start_main_~x~4 56), 119771#(<= ULTIMATE.start_main_~x~4 62), 119770#(<= ULTIMATE.start_main_~x~4 60), 119773#(<= ULTIMATE.start_main_~x~4 66), 119772#(<= ULTIMATE.start_main_~x~4 64), 119775#(<= ULTIMATE.start_main_~x~4 70), 119774#(<= ULTIMATE.start_main_~x~4 68), 119777#(<= ULTIMATE.start_main_~x~4 74), 119776#(<= ULTIMATE.start_main_~x~4 72), 119779#(<= ULTIMATE.start_main_~x~4 78), 119778#(<= ULTIMATE.start_main_~x~4 76), 119781#(<= ULTIMATE.start_main_~x~4 82), 119780#(<= ULTIMATE.start_main_~x~4 80), 119783#(<= ULTIMATE.start_main_~x~4 86), 119782#(<= ULTIMATE.start_main_~x~4 84), 119785#(<= ULTIMATE.start_main_~x~4 90), 119784#(<= ULTIMATE.start_main_~x~4 88), 119787#(<= ULTIMATE.start_main_~x~4 94), 119786#(<= ULTIMATE.start_main_~x~4 92), 119789#(<= ULTIMATE.start_main_~x~4 98), 119788#(<= ULTIMATE.start_main_~x~4 96), 119791#(<= ULTIMATE.start_main_~x~4 102), 119790#(<= ULTIMATE.start_main_~x~4 100), 119793#(<= ULTIMATE.start_main_~x~4 106), 119792#(<= ULTIMATE.start_main_~x~4 104), 119795#(<= ULTIMATE.start_main_~x~4 110), 119794#(<= ULTIMATE.start_main_~x~4 108), 119797#(<= ULTIMATE.start_main_~x~4 114), 119796#(<= ULTIMATE.start_main_~x~4 112), 119799#(<= ULTIMATE.start_main_~x~4 118), 119798#(<= ULTIMATE.start_main_~x~4 116), 119801#(<= ULTIMATE.start_main_~x~4 122), 119800#(<= ULTIMATE.start_main_~x~4 120), 119803#(<= ULTIMATE.start_main_~x~4 126), 119802#(<= ULTIMATE.start_main_~x~4 124), 119805#(<= ULTIMATE.start_main_~x~4 130), 119804#(<= ULTIMATE.start_main_~x~4 128), 119807#(<= ULTIMATE.start_main_~x~4 134), 119806#(<= ULTIMATE.start_main_~x~4 132)] [2018-07-23 13:43:52,050 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 13:43:52,050 INFO L450 AbstractCegarLoop]: Interpolant automaton has 217 states [2018-07-23 13:43:52,052 INFO L132 InterpolantAutomaton]: Constructing interpolant automaton starting with 217 interpolants. [2018-07-23 13:43:52,053 INFO L133 InterpolantAutomaton]: CoverageRelationStatistics Valid=23436, Invalid=23436, Unknown=0, NotChecked=0, Total=46872 [2018-07-23 13:43:52,054 INFO L87 Difference]: Start difference. First operand 218 states and 218 transitions. Second operand 217 states. [2018-07-23 13:43:52,748 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2018-07-23 13:43:52,748 INFO L93 Difference]: Finished difference Result 221 states and 221 transitions. [2018-07-23 13:43:52,748 INFO L142 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 217 states. [2018-07-23 13:43:52,749 INFO L78 Accepts]: Start accepts. Automaton has 217 states. Word has length 217 [2018-07-23 13:43:52,749 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2018-07-23 13:43:52,749 INFO L225 Difference]: With dead ends: 221 [2018-07-23 13:43:52,749 INFO L226 Difference]: Without dead ends: 219 [2018-07-23 13:43:52,751 INFO L575 BasicCegarLoop]: 0 DeclaredPredicates, 216 GetRequests, 1 SyntacticMatches, 0 SemanticMatches, 215 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 0 ImplicationChecksByTransitivity, 0.8s TimeCoverageRelationStatistics Valid=23436, Invalid=23436, Unknown=0, NotChecked=0, Total=46872 [2018-07-23 13:43:52,751 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 219 states. [2018-07-23 13:43:52,753 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 219 to 219. [2018-07-23 13:43:52,753 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 219 states. [2018-07-23 13:43:52,753 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 219 states to 219 states and 219 transitions. [2018-07-23 13:43:52,753 INFO L78 Accepts]: Start accepts. Automaton has 219 states and 219 transitions. Word has length 217 [2018-07-23 13:43:52,753 INFO L84 Accepts]: Finished accepts. word is rejected. [2018-07-23 13:43:52,753 INFO L471 AbstractCegarLoop]: Abstraction has 219 states and 219 transitions. [2018-07-23 13:43:52,754 INFO L472 AbstractCegarLoop]: Interpolant automaton has 217 states. [2018-07-23 13:43:52,754 INFO L276 IsEmpty]: Start isEmpty. Operand 219 states and 219 transitions. [2018-07-23 13:43:52,754 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 219 [2018-07-23 13:43:52,754 INFO L349 BasicCegarLoop]: Found error trace [2018-07-23 13:43:52,754 INFO L357 BasicCegarLoop]: trace histogram [215, 1, 1, 1] [2018-07-23 13:43:52,754 INFO L414 AbstractCegarLoop]: === Iteration 216 === [ULTIMATE.startErr0AssertViolationASSERT]=== [2018-07-23 13:43:52,754 INFO L82 PathProgramCache]: Analyzing trace with hash 2033022344, now seen corresponding path program 215 times [2018-07-23 13:43:52,755 INFO L69 tionRefinementEngine]: Using refinement strategy FixedRefinementStrategy [2018-07-23 13:43:52,770 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-07-23 13:43:53,725 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 13:43:53,726 INFO L309 seRefinementStrategy]: Constructing automaton from 0 perfect and 1 imperfect interpolant sequences. [2018-07-23 13:43:53,726 INFO L324 seRefinementStrategy]: Number of different interpolants: perfect sequences [] imperfect sequences [217] total 217 [2018-07-23 13:43:53,726 INFO L142 lantAutomatonBuilder]: Constructing canonical interpolant automaton, with selfloop in false state [2018-07-23 13:43:53,726 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2018-07-23 13:43:53,727 INFO L185 omatonBuilderFactory]: Interpolants [120841#false, 120840#true, 120843#(<= ULTIMATE.start_main_~x~4 12), 120842#(<= ULTIMATE.start_main_~x~4 10), 120845#(<= ULTIMATE.start_main_~x~4 16), 120844#(<= ULTIMATE.start_main_~x~4 14), 120847#(<= ULTIMATE.start_main_~x~4 20), 120846#(<= ULTIMATE.start_main_~x~4 18), 120849#(<= ULTIMATE.start_main_~x~4 24), 120848#(<= ULTIMATE.start_main_~x~4 22), 120851#(<= ULTIMATE.start_main_~x~4 28), 120850#(<= ULTIMATE.start_main_~x~4 26), 120853#(<= ULTIMATE.start_main_~x~4 32), 120852#(<= ULTIMATE.start_main_~x~4 30), 120855#(<= ULTIMATE.start_main_~x~4 36), 120854#(<= ULTIMATE.start_main_~x~4 34), 120857#(<= ULTIMATE.start_main_~x~4 40), 120856#(<= ULTIMATE.start_main_~x~4 38), 120859#(<= ULTIMATE.start_main_~x~4 44), 120858#(<= ULTIMATE.start_main_~x~4 42), 120861#(<= ULTIMATE.start_main_~x~4 48), 120860#(<= ULTIMATE.start_main_~x~4 46), 120863#(<= ULTIMATE.start_main_~x~4 52), 120862#(<= ULTIMATE.start_main_~x~4 50), 120865#(<= ULTIMATE.start_main_~x~4 56), 120864#(<= ULTIMATE.start_main_~x~4 54), 120867#(<= ULTIMATE.start_main_~x~4 60), 120866#(<= ULTIMATE.start_main_~x~4 58), 120869#(<= ULTIMATE.start_main_~x~4 64), 120868#(<= ULTIMATE.start_main_~x~4 62), 120871#(<= ULTIMATE.start_main_~x~4 68), 120870#(<= ULTIMATE.start_main_~x~4 66), 120873#(<= ULTIMATE.start_main_~x~4 72), 120872#(<= ULTIMATE.start_main_~x~4 70), 120875#(<= ULTIMATE.start_main_~x~4 76), 120874#(<= ULTIMATE.start_main_~x~4 74), 120877#(<= ULTIMATE.start_main_~x~4 80), 120876#(<= ULTIMATE.start_main_~x~4 78), 120879#(<= ULTIMATE.start_main_~x~4 84), 120878#(<= ULTIMATE.start_main_~x~4 82), 120881#(<= ULTIMATE.start_main_~x~4 88), 120880#(<= ULTIMATE.start_main_~x~4 86), 120883#(<= ULTIMATE.start_main_~x~4 92), 120882#(<= ULTIMATE.start_main_~x~4 90), 120885#(<= ULTIMATE.start_main_~x~4 96), 120884#(<= ULTIMATE.start_main_~x~4 94), 120887#(<= ULTIMATE.start_main_~x~4 100), 120886#(<= ULTIMATE.start_main_~x~4 98), 120889#(<= ULTIMATE.start_main_~x~4 104), 120888#(<= ULTIMATE.start_main_~x~4 102), 120891#(<= ULTIMATE.start_main_~x~4 108), 120890#(<= ULTIMATE.start_main_~x~4 106), 120893#(<= ULTIMATE.start_main_~x~4 112), 120892#(<= ULTIMATE.start_main_~x~4 110), 120895#(<= ULTIMATE.start_main_~x~4 116), 120894#(<= ULTIMATE.start_main_~x~4 114), 120897#(<= ULTIMATE.start_main_~x~4 120), 120896#(<= ULTIMATE.start_main_~x~4 118), 120899#(<= ULTIMATE.start_main_~x~4 124), 120898#(<= ULTIMATE.start_main_~x~4 122), 120901#(<= ULTIMATE.start_main_~x~4 128), 120900#(<= ULTIMATE.start_main_~x~4 126), 120903#(<= ULTIMATE.start_main_~x~4 132), 120902#(<= ULTIMATE.start_main_~x~4 130), 120905#(<= ULTIMATE.start_main_~x~4 136), 120904#(<= ULTIMATE.start_main_~x~4 134), 120907#(<= ULTIMATE.start_main_~x~4 140), 120906#(<= ULTIMATE.start_main_~x~4 138), 120909#(<= ULTIMATE.start_main_~x~4 144), 120908#(<= ULTIMATE.start_main_~x~4 142), 120911#(<= ULTIMATE.start_main_~x~4 148), 120910#(<= ULTIMATE.start_main_~x~4 146), 120913#(<= ULTIMATE.start_main_~x~4 152), 120912#(<= ULTIMATE.start_main_~x~4 150), 120915#(<= ULTIMATE.start_main_~x~4 156), 120914#(<= ULTIMATE.start_main_~x~4 154), 120917#(<= ULTIMATE.start_main_~x~4 160), 120916#(<= ULTIMATE.start_main_~x~4 158), 120919#(<= ULTIMATE.start_main_~x~4 164), 120918#(<= ULTIMATE.start_main_~x~4 162), 120921#(<= ULTIMATE.start_main_~x~4 168), 120920#(<= ULTIMATE.start_main_~x~4 166), 120923#(<= ULTIMATE.start_main_~x~4 172), 120922#(<= ULTIMATE.start_main_~x~4 170), 120925#(<= ULTIMATE.start_main_~x~4 176), 120924#(<= ULTIMATE.start_main_~x~4 174), 120927#(<= ULTIMATE.start_main_~x~4 180), 120926#(<= ULTIMATE.start_main_~x~4 178), 120929#(<= ULTIMATE.start_main_~x~4 184), 120928#(<= ULTIMATE.start_main_~x~4 182), 120931#(<= ULTIMATE.start_main_~x~4 188), 120930#(<= ULTIMATE.start_main_~x~4 186), 120933#(<= ULTIMATE.start_main_~x~4 192), 120932#(<= ULTIMATE.start_main_~x~4 190), 120935#(<= ULTIMATE.start_main_~x~4 196), 120934#(<= ULTIMATE.start_main_~x~4 194), 120937#(<= ULTIMATE.start_main_~x~4 200), 120936#(<= ULTIMATE.start_main_~x~4 198), 120939#(<= ULTIMATE.start_main_~x~4 204), 120938#(<= ULTIMATE.start_main_~x~4 202), 120941#(<= ULTIMATE.start_main_~x~4 208), 120940#(<= ULTIMATE.start_main_~x~4 206), 120943#(<= ULTIMATE.start_main_~x~4 212), 120942#(<= ULTIMATE.start_main_~x~4 210), 120945#(<= ULTIMATE.start_main_~x~4 216), 120944#(<= ULTIMATE.start_main_~x~4 214), 120947#(<= ULTIMATE.start_main_~x~4 220), 120946#(<= ULTIMATE.start_main_~x~4 218), 120949#(<= ULTIMATE.start_main_~x~4 224), 120948#(<= ULTIMATE.start_main_~x~4 222), 120951#(<= ULTIMATE.start_main_~x~4 228), 120950#(<= ULTIMATE.start_main_~x~4 226), 120953#(<= ULTIMATE.start_main_~x~4 232), 120952#(<= ULTIMATE.start_main_~x~4 230), 120955#(<= ULTIMATE.start_main_~x~4 236), 120954#(<= ULTIMATE.start_main_~x~4 234), 120957#(<= ULTIMATE.start_main_~x~4 240), 120956#(<= ULTIMATE.start_main_~x~4 238), 120959#(<= ULTIMATE.start_main_~x~4 244), 120958#(<= ULTIMATE.start_main_~x~4 242), 120961#(<= ULTIMATE.start_main_~x~4 248), 120960#(<= ULTIMATE.start_main_~x~4 246), 120963#(<= ULTIMATE.start_main_~x~4 252), 120962#(<= ULTIMATE.start_main_~x~4 250), 120965#(<= ULTIMATE.start_main_~x~4 256), 120964#(<= ULTIMATE.start_main_~x~4 254), 120967#(<= ULTIMATE.start_main_~x~4 260), 120966#(<= ULTIMATE.start_main_~x~4 258), 120969#(<= ULTIMATE.start_main_~x~4 264), 120968#(<= ULTIMATE.start_main_~x~4 262), 120971#(<= ULTIMATE.start_main_~x~4 268), 120970#(<= ULTIMATE.start_main_~x~4 266), 120973#(<= ULTIMATE.start_main_~x~4 272), 120972#(<= ULTIMATE.start_main_~x~4 270), 120975#(<= ULTIMATE.start_main_~x~4 276), 120974#(<= ULTIMATE.start_main_~x~4 274), 120977#(<= ULTIMATE.start_main_~x~4 280), 120976#(<= ULTIMATE.start_main_~x~4 278), 120979#(<= ULTIMATE.start_main_~x~4 284), 120978#(<= ULTIMATE.start_main_~x~4 282), 120981#(<= ULTIMATE.start_main_~x~4 288), 120980#(<= ULTIMATE.start_main_~x~4 286), 120983#(<= ULTIMATE.start_main_~x~4 292), 120982#(<= ULTIMATE.start_main_~x~4 290), 120985#(<= ULTIMATE.start_main_~x~4 296), 120984#(<= ULTIMATE.start_main_~x~4 294), 120987#(<= ULTIMATE.start_main_~x~4 300), 120986#(<= ULTIMATE.start_main_~x~4 298), 120989#(<= ULTIMATE.start_main_~x~4 304), 120988#(<= ULTIMATE.start_main_~x~4 302), 120991#(<= ULTIMATE.start_main_~x~4 308), 120990#(<= ULTIMATE.start_main_~x~4 306), 120993#(<= ULTIMATE.start_main_~x~4 312), 120992#(<= ULTIMATE.start_main_~x~4 310), 120995#(<= ULTIMATE.start_main_~x~4 316), 120994#(<= ULTIMATE.start_main_~x~4 314), 120997#(<= ULTIMATE.start_main_~x~4 320), 120996#(<= ULTIMATE.start_main_~x~4 318), 120999#(<= ULTIMATE.start_main_~x~4 324), 120998#(<= ULTIMATE.start_main_~x~4 322), 121001#(<= ULTIMATE.start_main_~x~4 328), 121000#(<= ULTIMATE.start_main_~x~4 326), 121003#(<= ULTIMATE.start_main_~x~4 332), 121002#(<= ULTIMATE.start_main_~x~4 330), 121005#(<= ULTIMATE.start_main_~x~4 336), 121004#(<= ULTIMATE.start_main_~x~4 334), 121007#(<= ULTIMATE.start_main_~x~4 340), 121006#(<= ULTIMATE.start_main_~x~4 338), 121009#(<= ULTIMATE.start_main_~x~4 344), 121008#(<= ULTIMATE.start_main_~x~4 342), 121011#(<= ULTIMATE.start_main_~x~4 348), 121010#(<= ULTIMATE.start_main_~x~4 346), 121013#(<= ULTIMATE.start_main_~x~4 352), 121012#(<= ULTIMATE.start_main_~x~4 350), 121015#(<= ULTIMATE.start_main_~x~4 356), 121014#(<= ULTIMATE.start_main_~x~4 354), 121017#(<= ULTIMATE.start_main_~x~4 360), 121016#(<= ULTIMATE.start_main_~x~4 358), 121019#(<= ULTIMATE.start_main_~x~4 364), 121018#(<= ULTIMATE.start_main_~x~4 362), 121021#(<= ULTIMATE.start_main_~x~4 368), 121020#(<= ULTIMATE.start_main_~x~4 366), 121023#(<= ULTIMATE.start_main_~x~4 372), 121022#(<= ULTIMATE.start_main_~x~4 370), 121025#(<= ULTIMATE.start_main_~x~4 376), 121024#(<= ULTIMATE.start_main_~x~4 374), 121027#(<= ULTIMATE.start_main_~x~4 380), 121026#(<= ULTIMATE.start_main_~x~4 378), 121029#(<= ULTIMATE.start_main_~x~4 384), 121028#(<= ULTIMATE.start_main_~x~4 382), 121031#(<= ULTIMATE.start_main_~x~4 388), 121030#(<= ULTIMATE.start_main_~x~4 386), 121033#(<= ULTIMATE.start_main_~x~4 392), 121032#(<= ULTIMATE.start_main_~x~4 390), 121035#(<= ULTIMATE.start_main_~x~4 396), 121034#(<= ULTIMATE.start_main_~x~4 394), 121037#(<= ULTIMATE.start_main_~x~4 400), 121036#(<= ULTIMATE.start_main_~x~4 398), 121039#(<= ULTIMATE.start_main_~x~4 404), 121038#(<= ULTIMATE.start_main_~x~4 402), 121041#(<= ULTIMATE.start_main_~x~4 408), 121040#(<= ULTIMATE.start_main_~x~4 406), 121043#(<= ULTIMATE.start_main_~x~4 412), 121042#(<= ULTIMATE.start_main_~x~4 410), 121045#(<= ULTIMATE.start_main_~x~4 416), 121044#(<= ULTIMATE.start_main_~x~4 414), 121047#(<= ULTIMATE.start_main_~x~4 420), 121046#(<= ULTIMATE.start_main_~x~4 418), 121049#(<= ULTIMATE.start_main_~x~4 424), 121048#(<= ULTIMATE.start_main_~x~4 422), 121051#(<= ULTIMATE.start_main_~x~4 428), 121050#(<= ULTIMATE.start_main_~x~4 426), 121053#(<= ULTIMATE.start_main_~x~4 432), 121052#(<= ULTIMATE.start_main_~x~4 430), 121055#(<= ULTIMATE.start_main_~x~4 436), 121054#(<= ULTIMATE.start_main_~x~4 434), 121057#(<= ULTIMATE.start_main_~x~4 440), 121056#(<= ULTIMATE.start_main_~x~4 438)] [2018-07-23 13:43:53,728 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 13:43:53,728 INFO L450 AbstractCegarLoop]: Interpolant automaton has 218 states [2018-07-23 13:43:53,732 INFO L132 InterpolantAutomaton]: Constructing interpolant automaton starting with 218 interpolants. [2018-07-23 13:43:53,736 INFO L133 InterpolantAutomaton]: CoverageRelationStatistics Valid=23653, Invalid=23653, Unknown=0, NotChecked=0, Total=47306 [2018-07-23 13:43:53,736 INFO L87 Difference]: Start difference. First operand 219 states and 219 transitions. Second operand 218 states. [2018-07-23 13:43:55,223 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2018-07-23 13:43:55,223 INFO L93 Difference]: Finished difference Result 222 states and 222 transitions. [2018-07-23 13:43:55,223 INFO L142 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 218 states. [2018-07-23 13:43:55,223 INFO L78 Accepts]: Start accepts. Automaton has 218 states. Word has length 218 [2018-07-23 13:43:55,224 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2018-07-23 13:43:55,224 INFO L225 Difference]: With dead ends: 222 [2018-07-23 13:43:55,224 INFO L226 Difference]: Without dead ends: 220 [2018-07-23 13:43:55,227 INFO L575 BasicCegarLoop]: 0 DeclaredPredicates, 217 GetRequests, 1 SyntacticMatches, 0 SemanticMatches, 216 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 0 ImplicationChecksByTransitivity, 0.8s TimeCoverageRelationStatistics Valid=23653, Invalid=23653, Unknown=0, NotChecked=0, Total=47306 [2018-07-23 13:43:55,227 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 220 states. [2018-07-23 13:43:55,229 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 220 to 220. [2018-07-23 13:43:55,229 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 220 states. [2018-07-23 13:43:55,229 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 220 states to 220 states and 220 transitions. [2018-07-23 13:43:55,229 INFO L78 Accepts]: Start accepts. Automaton has 220 states and 220 transitions. Word has length 218 [2018-07-23 13:43:55,229 INFO L84 Accepts]: Finished accepts. word is rejected. [2018-07-23 13:43:55,229 INFO L471 AbstractCegarLoop]: Abstraction has 220 states and 220 transitions. [2018-07-23 13:43:55,229 INFO L472 AbstractCegarLoop]: Interpolant automaton has 218 states. [2018-07-23 13:43:55,229 INFO L276 IsEmpty]: Start isEmpty. Operand 220 states and 220 transitions. [2018-07-23 13:43:55,230 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 220 [2018-07-23 13:43:55,230 INFO L349 BasicCegarLoop]: Found error trace [2018-07-23 13:43:55,230 INFO L357 BasicCegarLoop]: trace histogram [216, 1, 1, 1] [2018-07-23 13:43:55,230 INFO L414 AbstractCegarLoop]: === Iteration 217 === [ULTIMATE.startErr0AssertViolationASSERT]=== [2018-07-23 13:43:55,230 INFO L82 PathProgramCache]: Analyzing trace with hash -1400818751, now seen corresponding path program 216 times [2018-07-23 13:43:55,230 INFO L69 tionRefinementEngine]: Using refinement strategy FixedRefinementStrategy [2018-07-23 13:43:55,248 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-07-23 13:43:56,208 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 13:43:56,209 INFO L309 seRefinementStrategy]: Constructing automaton from 0 perfect and 1 imperfect interpolant sequences. [2018-07-23 13:43:56,209 INFO L324 seRefinementStrategy]: Number of different interpolants: perfect sequences [] imperfect sequences [218] total 218 [2018-07-23 13:43:56,209 INFO L142 lantAutomatonBuilder]: Constructing canonical interpolant automaton, with selfloop in false state [2018-07-23 13:43:56,209 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2018-07-23 13:43:56,210 INFO L185 omatonBuilderFactory]: Interpolants [121943#false, 121942#true, 121945#(<= ULTIMATE.start_main_~x~4 12), 121944#(<= ULTIMATE.start_main_~x~4 10), 121947#(<= ULTIMATE.start_main_~x~4 16), 121946#(<= ULTIMATE.start_main_~x~4 14), 121949#(<= ULTIMATE.start_main_~x~4 20), 121948#(<= ULTIMATE.start_main_~x~4 18), 121951#(<= ULTIMATE.start_main_~x~4 24), 121950#(<= ULTIMATE.start_main_~x~4 22), 121953#(<= ULTIMATE.start_main_~x~4 28), 121952#(<= ULTIMATE.start_main_~x~4 26), 121955#(<= ULTIMATE.start_main_~x~4 32), 121954#(<= ULTIMATE.start_main_~x~4 30), 121957#(<= ULTIMATE.start_main_~x~4 36), 121956#(<= ULTIMATE.start_main_~x~4 34), 121959#(<= ULTIMATE.start_main_~x~4 40), 121958#(<= ULTIMATE.start_main_~x~4 38), 121961#(<= ULTIMATE.start_main_~x~4 44), 121960#(<= ULTIMATE.start_main_~x~4 42), 121963#(<= ULTIMATE.start_main_~x~4 48), 121962#(<= ULTIMATE.start_main_~x~4 46), 121965#(<= ULTIMATE.start_main_~x~4 52), 121964#(<= ULTIMATE.start_main_~x~4 50), 121967#(<= ULTIMATE.start_main_~x~4 56), 121966#(<= ULTIMATE.start_main_~x~4 54), 121969#(<= ULTIMATE.start_main_~x~4 60), 121968#(<= ULTIMATE.start_main_~x~4 58), 121971#(<= ULTIMATE.start_main_~x~4 64), 121970#(<= ULTIMATE.start_main_~x~4 62), 121973#(<= ULTIMATE.start_main_~x~4 68), 121972#(<= ULTIMATE.start_main_~x~4 66), 121975#(<= ULTIMATE.start_main_~x~4 72), 121974#(<= ULTIMATE.start_main_~x~4 70), 121977#(<= ULTIMATE.start_main_~x~4 76), 121976#(<= ULTIMATE.start_main_~x~4 74), 121979#(<= ULTIMATE.start_main_~x~4 80), 121978#(<= ULTIMATE.start_main_~x~4 78), 121981#(<= ULTIMATE.start_main_~x~4 84), 121980#(<= ULTIMATE.start_main_~x~4 82), 121983#(<= ULTIMATE.start_main_~x~4 88), 121982#(<= ULTIMATE.start_main_~x~4 86), 121985#(<= ULTIMATE.start_main_~x~4 92), 121984#(<= ULTIMATE.start_main_~x~4 90), 121987#(<= ULTIMATE.start_main_~x~4 96), 121986#(<= ULTIMATE.start_main_~x~4 94), 121989#(<= ULTIMATE.start_main_~x~4 100), 121988#(<= ULTIMATE.start_main_~x~4 98), 121991#(<= ULTIMATE.start_main_~x~4 104), 121990#(<= ULTIMATE.start_main_~x~4 102), 121993#(<= ULTIMATE.start_main_~x~4 108), 121992#(<= ULTIMATE.start_main_~x~4 106), 121995#(<= ULTIMATE.start_main_~x~4 112), 121994#(<= ULTIMATE.start_main_~x~4 110), 121997#(<= ULTIMATE.start_main_~x~4 116), 121996#(<= ULTIMATE.start_main_~x~4 114), 121999#(<= ULTIMATE.start_main_~x~4 120), 121998#(<= ULTIMATE.start_main_~x~4 118), 122001#(<= ULTIMATE.start_main_~x~4 124), 122000#(<= ULTIMATE.start_main_~x~4 122), 122003#(<= ULTIMATE.start_main_~x~4 128), 122002#(<= ULTIMATE.start_main_~x~4 126), 122005#(<= ULTIMATE.start_main_~x~4 132), 122004#(<= ULTIMATE.start_main_~x~4 130), 122007#(<= ULTIMATE.start_main_~x~4 136), 122006#(<= ULTIMATE.start_main_~x~4 134), 122009#(<= ULTIMATE.start_main_~x~4 140), 122008#(<= ULTIMATE.start_main_~x~4 138), 122011#(<= ULTIMATE.start_main_~x~4 144), 122010#(<= ULTIMATE.start_main_~x~4 142), 122013#(<= ULTIMATE.start_main_~x~4 148), 122012#(<= ULTIMATE.start_main_~x~4 146), 122015#(<= ULTIMATE.start_main_~x~4 152), 122014#(<= ULTIMATE.start_main_~x~4 150), 122017#(<= ULTIMATE.start_main_~x~4 156), 122016#(<= ULTIMATE.start_main_~x~4 154), 122019#(<= ULTIMATE.start_main_~x~4 160), 122018#(<= ULTIMATE.start_main_~x~4 158), 122021#(<= ULTIMATE.start_main_~x~4 164), 122020#(<= ULTIMATE.start_main_~x~4 162), 122023#(<= ULTIMATE.start_main_~x~4 168), 122022#(<= ULTIMATE.start_main_~x~4 166), 122025#(<= ULTIMATE.start_main_~x~4 172), 122024#(<= ULTIMATE.start_main_~x~4 170), 122027#(<= ULTIMATE.start_main_~x~4 176), 122026#(<= ULTIMATE.start_main_~x~4 174), 122029#(<= ULTIMATE.start_main_~x~4 180), 122028#(<= ULTIMATE.start_main_~x~4 178), 122031#(<= ULTIMATE.start_main_~x~4 184), 122030#(<= ULTIMATE.start_main_~x~4 182), 122033#(<= ULTIMATE.start_main_~x~4 188), 122032#(<= ULTIMATE.start_main_~x~4 186), 122035#(<= ULTIMATE.start_main_~x~4 192), 122034#(<= ULTIMATE.start_main_~x~4 190), 122037#(<= ULTIMATE.start_main_~x~4 196), 122036#(<= ULTIMATE.start_main_~x~4 194), 122039#(<= ULTIMATE.start_main_~x~4 200), 122038#(<= ULTIMATE.start_main_~x~4 198), 122041#(<= ULTIMATE.start_main_~x~4 204), 122040#(<= ULTIMATE.start_main_~x~4 202), 122043#(<= ULTIMATE.start_main_~x~4 208), 122042#(<= ULTIMATE.start_main_~x~4 206), 122045#(<= ULTIMATE.start_main_~x~4 212), 122044#(<= ULTIMATE.start_main_~x~4 210), 122047#(<= ULTIMATE.start_main_~x~4 216), 122046#(<= ULTIMATE.start_main_~x~4 214), 122049#(<= ULTIMATE.start_main_~x~4 220), 122048#(<= ULTIMATE.start_main_~x~4 218), 122051#(<= ULTIMATE.start_main_~x~4 224), 122050#(<= ULTIMATE.start_main_~x~4 222), 122053#(<= ULTIMATE.start_main_~x~4 228), 122052#(<= ULTIMATE.start_main_~x~4 226), 122055#(<= ULTIMATE.start_main_~x~4 232), 122054#(<= ULTIMATE.start_main_~x~4 230), 122057#(<= ULTIMATE.start_main_~x~4 236), 122056#(<= ULTIMATE.start_main_~x~4 234), 122059#(<= ULTIMATE.start_main_~x~4 240), 122058#(<= ULTIMATE.start_main_~x~4 238), 122061#(<= ULTIMATE.start_main_~x~4 244), 122060#(<= ULTIMATE.start_main_~x~4 242), 122063#(<= ULTIMATE.start_main_~x~4 248), 122062#(<= ULTIMATE.start_main_~x~4 246), 122065#(<= ULTIMATE.start_main_~x~4 252), 122064#(<= ULTIMATE.start_main_~x~4 250), 122067#(<= ULTIMATE.start_main_~x~4 256), 122066#(<= ULTIMATE.start_main_~x~4 254), 122069#(<= ULTIMATE.start_main_~x~4 260), 122068#(<= ULTIMATE.start_main_~x~4 258), 122071#(<= ULTIMATE.start_main_~x~4 264), 122070#(<= ULTIMATE.start_main_~x~4 262), 122073#(<= ULTIMATE.start_main_~x~4 268), 122072#(<= ULTIMATE.start_main_~x~4 266), 122075#(<= ULTIMATE.start_main_~x~4 272), 122074#(<= ULTIMATE.start_main_~x~4 270), 122077#(<= ULTIMATE.start_main_~x~4 276), 122076#(<= ULTIMATE.start_main_~x~4 274), 122079#(<= ULTIMATE.start_main_~x~4 280), 122078#(<= ULTIMATE.start_main_~x~4 278), 122081#(<= ULTIMATE.start_main_~x~4 284), 122080#(<= ULTIMATE.start_main_~x~4 282), 122083#(<= ULTIMATE.start_main_~x~4 288), 122082#(<= ULTIMATE.start_main_~x~4 286), 122085#(<= ULTIMATE.start_main_~x~4 292), 122084#(<= ULTIMATE.start_main_~x~4 290), 122087#(<= ULTIMATE.start_main_~x~4 296), 122086#(<= ULTIMATE.start_main_~x~4 294), 122089#(<= ULTIMATE.start_main_~x~4 300), 122088#(<= ULTIMATE.start_main_~x~4 298), 122091#(<= ULTIMATE.start_main_~x~4 304), 122090#(<= ULTIMATE.start_main_~x~4 302), 122093#(<= ULTIMATE.start_main_~x~4 308), 122092#(<= ULTIMATE.start_main_~x~4 306), 122095#(<= ULTIMATE.start_main_~x~4 312), 122094#(<= ULTIMATE.start_main_~x~4 310), 122097#(<= ULTIMATE.start_main_~x~4 316), 122096#(<= ULTIMATE.start_main_~x~4 314), 122099#(<= ULTIMATE.start_main_~x~4 320), 122098#(<= ULTIMATE.start_main_~x~4 318), 122101#(<= ULTIMATE.start_main_~x~4 324), 122100#(<= ULTIMATE.start_main_~x~4 322), 122103#(<= ULTIMATE.start_main_~x~4 328), 122102#(<= ULTIMATE.start_main_~x~4 326), 122105#(<= ULTIMATE.start_main_~x~4 332), 122104#(<= ULTIMATE.start_main_~x~4 330), 122107#(<= ULTIMATE.start_main_~x~4 336), 122106#(<= ULTIMATE.start_main_~x~4 334), 122109#(<= ULTIMATE.start_main_~x~4 340), 122108#(<= ULTIMATE.start_main_~x~4 338), 122111#(<= ULTIMATE.start_main_~x~4 344), 122110#(<= ULTIMATE.start_main_~x~4 342), 122113#(<= ULTIMATE.start_main_~x~4 348), 122112#(<= ULTIMATE.start_main_~x~4 346), 122115#(<= ULTIMATE.start_main_~x~4 352), 122114#(<= ULTIMATE.start_main_~x~4 350), 122117#(<= ULTIMATE.start_main_~x~4 356), 122116#(<= ULTIMATE.start_main_~x~4 354), 122119#(<= ULTIMATE.start_main_~x~4 360), 122118#(<= ULTIMATE.start_main_~x~4 358), 122121#(<= ULTIMATE.start_main_~x~4 364), 122120#(<= ULTIMATE.start_main_~x~4 362), 122123#(<= ULTIMATE.start_main_~x~4 368), 122122#(<= ULTIMATE.start_main_~x~4 366), 122125#(<= ULTIMATE.start_main_~x~4 372), 122124#(<= ULTIMATE.start_main_~x~4 370), 122127#(<= ULTIMATE.start_main_~x~4 376), 122126#(<= ULTIMATE.start_main_~x~4 374), 122129#(<= ULTIMATE.start_main_~x~4 380), 122128#(<= ULTIMATE.start_main_~x~4 378), 122131#(<= ULTIMATE.start_main_~x~4 384), 122130#(<= ULTIMATE.start_main_~x~4 382), 122133#(<= ULTIMATE.start_main_~x~4 388), 122132#(<= ULTIMATE.start_main_~x~4 386), 122135#(<= ULTIMATE.start_main_~x~4 392), 122134#(<= ULTIMATE.start_main_~x~4 390), 122137#(<= ULTIMATE.start_main_~x~4 396), 122136#(<= ULTIMATE.start_main_~x~4 394), 122139#(<= ULTIMATE.start_main_~x~4 400), 122138#(<= ULTIMATE.start_main_~x~4 398), 122141#(<= ULTIMATE.start_main_~x~4 404), 122140#(<= ULTIMATE.start_main_~x~4 402), 122143#(<= ULTIMATE.start_main_~x~4 408), 122142#(<= ULTIMATE.start_main_~x~4 406), 122145#(<= ULTIMATE.start_main_~x~4 412), 122144#(<= ULTIMATE.start_main_~x~4 410), 122147#(<= ULTIMATE.start_main_~x~4 416), 122146#(<= ULTIMATE.start_main_~x~4 414), 122149#(<= ULTIMATE.start_main_~x~4 420), 122148#(<= ULTIMATE.start_main_~x~4 418), 122151#(<= ULTIMATE.start_main_~x~4 424), 122150#(<= ULTIMATE.start_main_~x~4 422), 122153#(<= ULTIMATE.start_main_~x~4 428), 122152#(<= ULTIMATE.start_main_~x~4 426), 122155#(<= ULTIMATE.start_main_~x~4 432), 122154#(<= ULTIMATE.start_main_~x~4 430), 122157#(<= ULTIMATE.start_main_~x~4 436), 122156#(<= ULTIMATE.start_main_~x~4 434), 122159#(<= ULTIMATE.start_main_~x~4 440), 122158#(<= ULTIMATE.start_main_~x~4 438), 122160#(<= ULTIMATE.start_main_~x~4 442)] [2018-07-23 13:43:56,211 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 13:43:56,211 INFO L450 AbstractCegarLoop]: Interpolant automaton has 219 states [2018-07-23 13:43:56,216 INFO L132 InterpolantAutomaton]: Constructing interpolant automaton starting with 219 interpolants. [2018-07-23 13:43:56,219 INFO L133 InterpolantAutomaton]: CoverageRelationStatistics Valid=23871, Invalid=23871, Unknown=0, NotChecked=0, Total=47742 [2018-07-23 13:43:56,219 INFO L87 Difference]: Start difference. First operand 220 states and 220 transitions. Second operand 219 states. [2018-07-23 13:43:57,278 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2018-07-23 13:43:57,279 INFO L93 Difference]: Finished difference Result 223 states and 223 transitions. [2018-07-23 13:43:57,279 INFO L142 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 219 states. [2018-07-23 13:43:57,279 INFO L78 Accepts]: Start accepts. Automaton has 219 states. Word has length 219 [2018-07-23 13:43:57,279 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2018-07-23 13:43:57,279 INFO L225 Difference]: With dead ends: 223 [2018-07-23 13:43:57,279 INFO L226 Difference]: Without dead ends: 221 [2018-07-23 13:43:57,282 INFO L575 BasicCegarLoop]: 0 DeclaredPredicates, 218 GetRequests, 1 SyntacticMatches, 0 SemanticMatches, 217 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 0 ImplicationChecksByTransitivity, 0.8s TimeCoverageRelationStatistics Valid=23871, Invalid=23871, Unknown=0, NotChecked=0, Total=47742 [2018-07-23 13:43:57,282 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 221 states. [2018-07-23 13:43:57,284 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 221 to 221. [2018-07-23 13:43:57,284 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 221 states. [2018-07-23 13:43:57,285 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 221 states to 221 states and 221 transitions. [2018-07-23 13:43:57,285 INFO L78 Accepts]: Start accepts. Automaton has 221 states and 221 transitions. Word has length 219 [2018-07-23 13:43:57,285 INFO L84 Accepts]: Finished accepts. word is rejected. [2018-07-23 13:43:57,285 INFO L471 AbstractCegarLoop]: Abstraction has 221 states and 221 transitions. [2018-07-23 13:43:57,285 INFO L472 AbstractCegarLoop]: Interpolant automaton has 219 states. [2018-07-23 13:43:57,285 INFO L276 IsEmpty]: Start isEmpty. Operand 221 states and 221 transitions. [2018-07-23 13:43:57,286 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 221 [2018-07-23 13:43:57,286 INFO L349 BasicCegarLoop]: Found error trace [2018-07-23 13:43:57,286 INFO L357 BasicCegarLoop]: trace histogram [217, 1, 1, 1] [2018-07-23 13:43:57,286 INFO L414 AbstractCegarLoop]: === Iteration 218 === [ULTIMATE.startErr0AssertViolationASSERT]=== [2018-07-23 13:43:57,286 INFO L82 PathProgramCache]: Analyzing trace with hash -475710296, now seen corresponding path program 217 times [2018-07-23 13:43:57,286 INFO L69 tionRefinementEngine]: Using refinement strategy FixedRefinementStrategy [2018-07-23 13:43:57,304 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-07-23 13:43:58,293 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 13:43:58,293 INFO L309 seRefinementStrategy]: Constructing automaton from 0 perfect and 1 imperfect interpolant sequences. [2018-07-23 13:43:58,293 INFO L324 seRefinementStrategy]: Number of different interpolants: perfect sequences [] imperfect sequences [219] total 219 [2018-07-23 13:43:58,293 INFO L142 lantAutomatonBuilder]: Constructing canonical interpolant automaton, with selfloop in false state [2018-07-23 13:43:58,294 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2018-07-23 13:43:58,294 INFO L185 omatonBuilderFactory]: Interpolants [123049#true, 123051#(<= ULTIMATE.start_main_~x~4 10), 123050#false, 123053#(<= ULTIMATE.start_main_~x~4 14), 123052#(<= ULTIMATE.start_main_~x~4 12), 123055#(<= ULTIMATE.start_main_~x~4 18), 123054#(<= ULTIMATE.start_main_~x~4 16), 123057#(<= ULTIMATE.start_main_~x~4 22), 123056#(<= ULTIMATE.start_main_~x~4 20), 123059#(<= ULTIMATE.start_main_~x~4 26), 123058#(<= ULTIMATE.start_main_~x~4 24), 123061#(<= ULTIMATE.start_main_~x~4 30), 123060#(<= ULTIMATE.start_main_~x~4 28), 123063#(<= ULTIMATE.start_main_~x~4 34), 123062#(<= ULTIMATE.start_main_~x~4 32), 123065#(<= ULTIMATE.start_main_~x~4 38), 123064#(<= ULTIMATE.start_main_~x~4 36), 123067#(<= ULTIMATE.start_main_~x~4 42), 123066#(<= ULTIMATE.start_main_~x~4 40), 123069#(<= ULTIMATE.start_main_~x~4 46), 123068#(<= ULTIMATE.start_main_~x~4 44), 123071#(<= ULTIMATE.start_main_~x~4 50), 123070#(<= ULTIMATE.start_main_~x~4 48), 123073#(<= ULTIMATE.start_main_~x~4 54), 123072#(<= ULTIMATE.start_main_~x~4 52), 123075#(<= ULTIMATE.start_main_~x~4 58), 123074#(<= ULTIMATE.start_main_~x~4 56), 123077#(<= ULTIMATE.start_main_~x~4 62), 123076#(<= ULTIMATE.start_main_~x~4 60), 123079#(<= ULTIMATE.start_main_~x~4 66), 123078#(<= ULTIMATE.start_main_~x~4 64), 123081#(<= ULTIMATE.start_main_~x~4 70), 123080#(<= ULTIMATE.start_main_~x~4 68), 123083#(<= ULTIMATE.start_main_~x~4 74), 123082#(<= ULTIMATE.start_main_~x~4 72), 123085#(<= ULTIMATE.start_main_~x~4 78), 123084#(<= ULTIMATE.start_main_~x~4 76), 123087#(<= ULTIMATE.start_main_~x~4 82), 123086#(<= ULTIMATE.start_main_~x~4 80), 123089#(<= ULTIMATE.start_main_~x~4 86), 123088#(<= ULTIMATE.start_main_~x~4 84), 123091#(<= ULTIMATE.start_main_~x~4 90), 123090#(<= ULTIMATE.start_main_~x~4 88), 123093#(<= ULTIMATE.start_main_~x~4 94), 123092#(<= ULTIMATE.start_main_~x~4 92), 123095#(<= ULTIMATE.start_main_~x~4 98), 123094#(<= ULTIMATE.start_main_~x~4 96), 123097#(<= ULTIMATE.start_main_~x~4 102), 123096#(<= ULTIMATE.start_main_~x~4 100), 123099#(<= ULTIMATE.start_main_~x~4 106), 123098#(<= ULTIMATE.start_main_~x~4 104), 123101#(<= ULTIMATE.start_main_~x~4 110), 123100#(<= ULTIMATE.start_main_~x~4 108), 123103#(<= ULTIMATE.start_main_~x~4 114), 123102#(<= ULTIMATE.start_main_~x~4 112), 123105#(<= ULTIMATE.start_main_~x~4 118), 123104#(<= ULTIMATE.start_main_~x~4 116), 123107#(<= ULTIMATE.start_main_~x~4 122), 123106#(<= ULTIMATE.start_main_~x~4 120), 123109#(<= ULTIMATE.start_main_~x~4 126), 123108#(<= ULTIMATE.start_main_~x~4 124), 123111#(<= ULTIMATE.start_main_~x~4 130), 123110#(<= ULTIMATE.start_main_~x~4 128), 123113#(<= ULTIMATE.start_main_~x~4 134), 123112#(<= ULTIMATE.start_main_~x~4 132), 123115#(<= ULTIMATE.start_main_~x~4 138), 123114#(<= ULTIMATE.start_main_~x~4 136), 123117#(<= ULTIMATE.start_main_~x~4 142), 123116#(<= ULTIMATE.start_main_~x~4 140), 123119#(<= ULTIMATE.start_main_~x~4 146), 123118#(<= ULTIMATE.start_main_~x~4 144), 123121#(<= ULTIMATE.start_main_~x~4 150), 123120#(<= ULTIMATE.start_main_~x~4 148), 123123#(<= ULTIMATE.start_main_~x~4 154), 123122#(<= ULTIMATE.start_main_~x~4 152), 123125#(<= ULTIMATE.start_main_~x~4 158), 123124#(<= ULTIMATE.start_main_~x~4 156), 123127#(<= ULTIMATE.start_main_~x~4 162), 123126#(<= ULTIMATE.start_main_~x~4 160), 123129#(<= ULTIMATE.start_main_~x~4 166), 123128#(<= ULTIMATE.start_main_~x~4 164), 123131#(<= ULTIMATE.start_main_~x~4 170), 123130#(<= ULTIMATE.start_main_~x~4 168), 123133#(<= ULTIMATE.start_main_~x~4 174), 123132#(<= ULTIMATE.start_main_~x~4 172), 123135#(<= ULTIMATE.start_main_~x~4 178), 123134#(<= ULTIMATE.start_main_~x~4 176), 123137#(<= ULTIMATE.start_main_~x~4 182), 123136#(<= ULTIMATE.start_main_~x~4 180), 123139#(<= ULTIMATE.start_main_~x~4 186), 123138#(<= ULTIMATE.start_main_~x~4 184), 123141#(<= ULTIMATE.start_main_~x~4 190), 123140#(<= ULTIMATE.start_main_~x~4 188), 123143#(<= ULTIMATE.start_main_~x~4 194), 123142#(<= ULTIMATE.start_main_~x~4 192), 123145#(<= ULTIMATE.start_main_~x~4 198), 123144#(<= ULTIMATE.start_main_~x~4 196), 123147#(<= ULTIMATE.start_main_~x~4 202), 123146#(<= ULTIMATE.start_main_~x~4 200), 123149#(<= ULTIMATE.start_main_~x~4 206), 123148#(<= ULTIMATE.start_main_~x~4 204), 123151#(<= ULTIMATE.start_main_~x~4 210), 123150#(<= ULTIMATE.start_main_~x~4 208), 123153#(<= ULTIMATE.start_main_~x~4 214), 123152#(<= ULTIMATE.start_main_~x~4 212), 123155#(<= ULTIMATE.start_main_~x~4 218), 123154#(<= ULTIMATE.start_main_~x~4 216), 123157#(<= ULTIMATE.start_main_~x~4 222), 123156#(<= ULTIMATE.start_main_~x~4 220), 123159#(<= ULTIMATE.start_main_~x~4 226), 123158#(<= ULTIMATE.start_main_~x~4 224), 123161#(<= ULTIMATE.start_main_~x~4 230), 123160#(<= ULTIMATE.start_main_~x~4 228), 123163#(<= ULTIMATE.start_main_~x~4 234), 123162#(<= ULTIMATE.start_main_~x~4 232), 123165#(<= ULTIMATE.start_main_~x~4 238), 123164#(<= ULTIMATE.start_main_~x~4 236), 123167#(<= ULTIMATE.start_main_~x~4 242), 123166#(<= ULTIMATE.start_main_~x~4 240), 123169#(<= ULTIMATE.start_main_~x~4 246), 123168#(<= ULTIMATE.start_main_~x~4 244), 123171#(<= ULTIMATE.start_main_~x~4 250), 123170#(<= ULTIMATE.start_main_~x~4 248), 123173#(<= ULTIMATE.start_main_~x~4 254), 123172#(<= ULTIMATE.start_main_~x~4 252), 123175#(<= ULTIMATE.start_main_~x~4 258), 123174#(<= ULTIMATE.start_main_~x~4 256), 123177#(<= ULTIMATE.start_main_~x~4 262), 123176#(<= ULTIMATE.start_main_~x~4 260), 123179#(<= ULTIMATE.start_main_~x~4 266), 123178#(<= ULTIMATE.start_main_~x~4 264), 123181#(<= ULTIMATE.start_main_~x~4 270), 123180#(<= ULTIMATE.start_main_~x~4 268), 123183#(<= ULTIMATE.start_main_~x~4 274), 123182#(<= ULTIMATE.start_main_~x~4 272), 123185#(<= ULTIMATE.start_main_~x~4 278), 123184#(<= ULTIMATE.start_main_~x~4 276), 123187#(<= ULTIMATE.start_main_~x~4 282), 123186#(<= ULTIMATE.start_main_~x~4 280), 123189#(<= ULTIMATE.start_main_~x~4 286), 123188#(<= ULTIMATE.start_main_~x~4 284), 123191#(<= ULTIMATE.start_main_~x~4 290), 123190#(<= ULTIMATE.start_main_~x~4 288), 123193#(<= ULTIMATE.start_main_~x~4 294), 123192#(<= ULTIMATE.start_main_~x~4 292), 123195#(<= ULTIMATE.start_main_~x~4 298), 123194#(<= ULTIMATE.start_main_~x~4 296), 123197#(<= ULTIMATE.start_main_~x~4 302), 123196#(<= ULTIMATE.start_main_~x~4 300), 123199#(<= ULTIMATE.start_main_~x~4 306), 123198#(<= ULTIMATE.start_main_~x~4 304), 123201#(<= ULTIMATE.start_main_~x~4 310), 123200#(<= ULTIMATE.start_main_~x~4 308), 123203#(<= ULTIMATE.start_main_~x~4 314), 123202#(<= ULTIMATE.start_main_~x~4 312), 123205#(<= ULTIMATE.start_main_~x~4 318), 123204#(<= ULTIMATE.start_main_~x~4 316), 123207#(<= ULTIMATE.start_main_~x~4 322), 123206#(<= ULTIMATE.start_main_~x~4 320), 123209#(<= ULTIMATE.start_main_~x~4 326), 123208#(<= ULTIMATE.start_main_~x~4 324), 123211#(<= ULTIMATE.start_main_~x~4 330), 123210#(<= ULTIMATE.start_main_~x~4 328), 123213#(<= ULTIMATE.start_main_~x~4 334), 123212#(<= ULTIMATE.start_main_~x~4 332), 123215#(<= ULTIMATE.start_main_~x~4 338), 123214#(<= ULTIMATE.start_main_~x~4 336), 123217#(<= ULTIMATE.start_main_~x~4 342), 123216#(<= ULTIMATE.start_main_~x~4 340), 123219#(<= ULTIMATE.start_main_~x~4 346), 123218#(<= ULTIMATE.start_main_~x~4 344), 123221#(<= ULTIMATE.start_main_~x~4 350), 123220#(<= ULTIMATE.start_main_~x~4 348), 123223#(<= ULTIMATE.start_main_~x~4 354), 123222#(<= ULTIMATE.start_main_~x~4 352), 123225#(<= ULTIMATE.start_main_~x~4 358), 123224#(<= ULTIMATE.start_main_~x~4 356), 123227#(<= ULTIMATE.start_main_~x~4 362), 123226#(<= ULTIMATE.start_main_~x~4 360), 123229#(<= ULTIMATE.start_main_~x~4 366), 123228#(<= ULTIMATE.start_main_~x~4 364), 123231#(<= ULTIMATE.start_main_~x~4 370), 123230#(<= ULTIMATE.start_main_~x~4 368), 123233#(<= ULTIMATE.start_main_~x~4 374), 123232#(<= ULTIMATE.start_main_~x~4 372), 123235#(<= ULTIMATE.start_main_~x~4 378), 123234#(<= ULTIMATE.start_main_~x~4 376), 123237#(<= ULTIMATE.start_main_~x~4 382), 123236#(<= ULTIMATE.start_main_~x~4 380), 123239#(<= ULTIMATE.start_main_~x~4 386), 123238#(<= ULTIMATE.start_main_~x~4 384), 123241#(<= ULTIMATE.start_main_~x~4 390), 123240#(<= ULTIMATE.start_main_~x~4 388), 123243#(<= ULTIMATE.start_main_~x~4 394), 123242#(<= ULTIMATE.start_main_~x~4 392), 123245#(<= ULTIMATE.start_main_~x~4 398), 123244#(<= ULTIMATE.start_main_~x~4 396), 123247#(<= ULTIMATE.start_main_~x~4 402), 123246#(<= ULTIMATE.start_main_~x~4 400), 123249#(<= ULTIMATE.start_main_~x~4 406), 123248#(<= ULTIMATE.start_main_~x~4 404), 123251#(<= ULTIMATE.start_main_~x~4 410), 123250#(<= ULTIMATE.start_main_~x~4 408), 123253#(<= ULTIMATE.start_main_~x~4 414), 123252#(<= ULTIMATE.start_main_~x~4 412), 123255#(<= ULTIMATE.start_main_~x~4 418), 123254#(<= ULTIMATE.start_main_~x~4 416), 123257#(<= ULTIMATE.start_main_~x~4 422), 123256#(<= ULTIMATE.start_main_~x~4 420), 123259#(<= ULTIMATE.start_main_~x~4 426), 123258#(<= ULTIMATE.start_main_~x~4 424), 123261#(<= ULTIMATE.start_main_~x~4 430), 123260#(<= ULTIMATE.start_main_~x~4 428), 123263#(<= ULTIMATE.start_main_~x~4 434), 123262#(<= ULTIMATE.start_main_~x~4 432), 123265#(<= ULTIMATE.start_main_~x~4 438), 123264#(<= ULTIMATE.start_main_~x~4 436), 123267#(<= ULTIMATE.start_main_~x~4 442), 123266#(<= ULTIMATE.start_main_~x~4 440), 123268#(<= ULTIMATE.start_main_~x~4 444)] [2018-07-23 13:43:58,295 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 13:43:58,295 INFO L450 AbstractCegarLoop]: Interpolant automaton has 220 states [2018-07-23 13:43:58,298 INFO L132 InterpolantAutomaton]: Constructing interpolant automaton starting with 220 interpolants. [2018-07-23 13:43:58,301 INFO L133 InterpolantAutomaton]: CoverageRelationStatistics Valid=24090, Invalid=24090, Unknown=0, NotChecked=0, Total=48180 [2018-07-23 13:43:58,301 INFO L87 Difference]: Start difference. First operand 221 states and 221 transitions. Second operand 220 states. [2018-07-23 13:43:59,125 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2018-07-23 13:43:59,126 INFO L93 Difference]: Finished difference Result 224 states and 224 transitions. [2018-07-23 13:43:59,126 INFO L142 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 220 states. [2018-07-23 13:43:59,126 INFO L78 Accepts]: Start accepts. Automaton has 220 states. Word has length 220 [2018-07-23 13:43:59,126 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2018-07-23 13:43:59,126 INFO L225 Difference]: With dead ends: 224 [2018-07-23 13:43:59,126 INFO L226 Difference]: Without dead ends: 222 [2018-07-23 13:43:59,129 INFO L575 BasicCegarLoop]: 0 DeclaredPredicates, 219 GetRequests, 1 SyntacticMatches, 0 SemanticMatches, 218 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 0 ImplicationChecksByTransitivity, 0.9s TimeCoverageRelationStatistics Valid=24090, Invalid=24090, Unknown=0, NotChecked=0, Total=48180 [2018-07-23 13:43:59,129 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 222 states. [2018-07-23 13:43:59,131 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 222 to 222. [2018-07-23 13:43:59,131 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 222 states. [2018-07-23 13:43:59,131 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 222 states to 222 states and 222 transitions. [2018-07-23 13:43:59,131 INFO L78 Accepts]: Start accepts. Automaton has 222 states and 222 transitions. Word has length 220 [2018-07-23 13:43:59,132 INFO L84 Accepts]: Finished accepts. word is rejected. [2018-07-23 13:43:59,132 INFO L471 AbstractCegarLoop]: Abstraction has 222 states and 222 transitions. [2018-07-23 13:43:59,132 INFO L472 AbstractCegarLoop]: Interpolant automaton has 220 states. [2018-07-23 13:43:59,132 INFO L276 IsEmpty]: Start isEmpty. Operand 222 states and 222 transitions. [2018-07-23 13:43:59,132 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 222 [2018-07-23 13:43:59,132 INFO L349 BasicCegarLoop]: Found error trace [2018-07-23 13:43:59,132 INFO L357 BasicCegarLoop]: trace histogram [218, 1, 1, 1] [2018-07-23 13:43:59,133 INFO L414 AbstractCegarLoop]: === Iteration 219 === [ULTIMATE.startErr0AssertViolationASSERT]=== [2018-07-23 13:43:59,133 INFO L82 PathProgramCache]: Analyzing trace with hash -1862119263, now seen corresponding path program 218 times [2018-07-23 13:43:59,133 INFO L69 tionRefinementEngine]: Using refinement strategy FixedRefinementStrategy [2018-07-23 13:43:59,148 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-07-23 13:44:00,113 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 13:44:00,113 INFO L309 seRefinementStrategy]: Constructing automaton from 0 perfect and 1 imperfect interpolant sequences. [2018-07-23 13:44:00,113 INFO L324 seRefinementStrategy]: Number of different interpolants: perfect sequences [] imperfect sequences [220] total 220 [2018-07-23 13:44:00,114 INFO L142 lantAutomatonBuilder]: Constructing canonical interpolant automaton, with selfloop in false state [2018-07-23 13:44:00,114 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2018-07-23 13:44:00,114 INFO L185 omatonBuilderFactory]: Interpolants [124161#true, 124163#(<= ULTIMATE.start_main_~x~4 10), 124162#false, 124165#(<= ULTIMATE.start_main_~x~4 14), 124164#(<= ULTIMATE.start_main_~x~4 12), 124167#(<= ULTIMATE.start_main_~x~4 18), 124166#(<= ULTIMATE.start_main_~x~4 16), 124169#(<= ULTIMATE.start_main_~x~4 22), 124168#(<= ULTIMATE.start_main_~x~4 20), 124171#(<= ULTIMATE.start_main_~x~4 26), 124170#(<= ULTIMATE.start_main_~x~4 24), 124173#(<= ULTIMATE.start_main_~x~4 30), 124172#(<= ULTIMATE.start_main_~x~4 28), 124175#(<= ULTIMATE.start_main_~x~4 34), 124174#(<= ULTIMATE.start_main_~x~4 32), 124177#(<= ULTIMATE.start_main_~x~4 38), 124176#(<= ULTIMATE.start_main_~x~4 36), 124179#(<= ULTIMATE.start_main_~x~4 42), 124178#(<= ULTIMATE.start_main_~x~4 40), 124181#(<= ULTIMATE.start_main_~x~4 46), 124180#(<= ULTIMATE.start_main_~x~4 44), 124183#(<= ULTIMATE.start_main_~x~4 50), 124182#(<= ULTIMATE.start_main_~x~4 48), 124185#(<= ULTIMATE.start_main_~x~4 54), 124184#(<= ULTIMATE.start_main_~x~4 52), 124187#(<= ULTIMATE.start_main_~x~4 58), 124186#(<= ULTIMATE.start_main_~x~4 56), 124189#(<= ULTIMATE.start_main_~x~4 62), 124188#(<= ULTIMATE.start_main_~x~4 60), 124191#(<= ULTIMATE.start_main_~x~4 66), 124190#(<= ULTIMATE.start_main_~x~4 64), 124193#(<= ULTIMATE.start_main_~x~4 70), 124192#(<= ULTIMATE.start_main_~x~4 68), 124195#(<= ULTIMATE.start_main_~x~4 74), 124194#(<= ULTIMATE.start_main_~x~4 72), 124197#(<= ULTIMATE.start_main_~x~4 78), 124196#(<= ULTIMATE.start_main_~x~4 76), 124199#(<= ULTIMATE.start_main_~x~4 82), 124198#(<= ULTIMATE.start_main_~x~4 80), 124201#(<= ULTIMATE.start_main_~x~4 86), 124200#(<= ULTIMATE.start_main_~x~4 84), 124203#(<= ULTIMATE.start_main_~x~4 90), 124202#(<= ULTIMATE.start_main_~x~4 88), 124205#(<= ULTIMATE.start_main_~x~4 94), 124204#(<= ULTIMATE.start_main_~x~4 92), 124207#(<= ULTIMATE.start_main_~x~4 98), 124206#(<= ULTIMATE.start_main_~x~4 96), 124209#(<= ULTIMATE.start_main_~x~4 102), 124208#(<= ULTIMATE.start_main_~x~4 100), 124211#(<= ULTIMATE.start_main_~x~4 106), 124210#(<= ULTIMATE.start_main_~x~4 104), 124213#(<= ULTIMATE.start_main_~x~4 110), 124212#(<= ULTIMATE.start_main_~x~4 108), 124215#(<= ULTIMATE.start_main_~x~4 114), 124214#(<= ULTIMATE.start_main_~x~4 112), 124217#(<= ULTIMATE.start_main_~x~4 118), 124216#(<= ULTIMATE.start_main_~x~4 116), 124219#(<= ULTIMATE.start_main_~x~4 122), 124218#(<= ULTIMATE.start_main_~x~4 120), 124221#(<= ULTIMATE.start_main_~x~4 126), 124220#(<= ULTIMATE.start_main_~x~4 124), 124223#(<= ULTIMATE.start_main_~x~4 130), 124222#(<= ULTIMATE.start_main_~x~4 128), 124225#(<= ULTIMATE.start_main_~x~4 134), 124224#(<= ULTIMATE.start_main_~x~4 132), 124227#(<= ULTIMATE.start_main_~x~4 138), 124226#(<= ULTIMATE.start_main_~x~4 136), 124229#(<= ULTIMATE.start_main_~x~4 142), 124228#(<= ULTIMATE.start_main_~x~4 140), 124231#(<= ULTIMATE.start_main_~x~4 146), 124230#(<= ULTIMATE.start_main_~x~4 144), 124233#(<= ULTIMATE.start_main_~x~4 150), 124232#(<= ULTIMATE.start_main_~x~4 148), 124235#(<= ULTIMATE.start_main_~x~4 154), 124234#(<= ULTIMATE.start_main_~x~4 152), 124237#(<= ULTIMATE.start_main_~x~4 158), 124236#(<= ULTIMATE.start_main_~x~4 156), 124239#(<= ULTIMATE.start_main_~x~4 162), 124238#(<= ULTIMATE.start_main_~x~4 160), 124241#(<= ULTIMATE.start_main_~x~4 166), 124240#(<= ULTIMATE.start_main_~x~4 164), 124243#(<= ULTIMATE.start_main_~x~4 170), 124242#(<= ULTIMATE.start_main_~x~4 168), 124245#(<= ULTIMATE.start_main_~x~4 174), 124244#(<= ULTIMATE.start_main_~x~4 172), 124247#(<= ULTIMATE.start_main_~x~4 178), 124246#(<= ULTIMATE.start_main_~x~4 176), 124249#(<= ULTIMATE.start_main_~x~4 182), 124248#(<= ULTIMATE.start_main_~x~4 180), 124251#(<= ULTIMATE.start_main_~x~4 186), 124250#(<= ULTIMATE.start_main_~x~4 184), 124253#(<= ULTIMATE.start_main_~x~4 190), 124252#(<= ULTIMATE.start_main_~x~4 188), 124255#(<= ULTIMATE.start_main_~x~4 194), 124254#(<= ULTIMATE.start_main_~x~4 192), 124257#(<= ULTIMATE.start_main_~x~4 198), 124256#(<= ULTIMATE.start_main_~x~4 196), 124259#(<= ULTIMATE.start_main_~x~4 202), 124258#(<= ULTIMATE.start_main_~x~4 200), 124261#(<= ULTIMATE.start_main_~x~4 206), 124260#(<= ULTIMATE.start_main_~x~4 204), 124263#(<= ULTIMATE.start_main_~x~4 210), 124262#(<= ULTIMATE.start_main_~x~4 208), 124265#(<= ULTIMATE.start_main_~x~4 214), 124264#(<= ULTIMATE.start_main_~x~4 212), 124267#(<= ULTIMATE.start_main_~x~4 218), 124266#(<= ULTIMATE.start_main_~x~4 216), 124269#(<= ULTIMATE.start_main_~x~4 222), 124268#(<= ULTIMATE.start_main_~x~4 220), 124271#(<= ULTIMATE.start_main_~x~4 226), 124270#(<= ULTIMATE.start_main_~x~4 224), 124273#(<= ULTIMATE.start_main_~x~4 230), 124272#(<= ULTIMATE.start_main_~x~4 228), 124275#(<= ULTIMATE.start_main_~x~4 234), 124274#(<= ULTIMATE.start_main_~x~4 232), 124277#(<= ULTIMATE.start_main_~x~4 238), 124276#(<= ULTIMATE.start_main_~x~4 236), 124279#(<= ULTIMATE.start_main_~x~4 242), 124278#(<= ULTIMATE.start_main_~x~4 240), 124281#(<= ULTIMATE.start_main_~x~4 246), 124280#(<= ULTIMATE.start_main_~x~4 244), 124283#(<= ULTIMATE.start_main_~x~4 250), 124282#(<= ULTIMATE.start_main_~x~4 248), 124285#(<= ULTIMATE.start_main_~x~4 254), 124284#(<= ULTIMATE.start_main_~x~4 252), 124287#(<= ULTIMATE.start_main_~x~4 258), 124286#(<= ULTIMATE.start_main_~x~4 256), 124289#(<= ULTIMATE.start_main_~x~4 262), 124288#(<= ULTIMATE.start_main_~x~4 260), 124291#(<= ULTIMATE.start_main_~x~4 266), 124290#(<= ULTIMATE.start_main_~x~4 264), 124293#(<= ULTIMATE.start_main_~x~4 270), 124292#(<= ULTIMATE.start_main_~x~4 268), 124295#(<= ULTIMATE.start_main_~x~4 274), 124294#(<= ULTIMATE.start_main_~x~4 272), 124297#(<= ULTIMATE.start_main_~x~4 278), 124296#(<= ULTIMATE.start_main_~x~4 276), 124299#(<= ULTIMATE.start_main_~x~4 282), 124298#(<= ULTIMATE.start_main_~x~4 280), 124301#(<= ULTIMATE.start_main_~x~4 286), 124300#(<= ULTIMATE.start_main_~x~4 284), 124303#(<= ULTIMATE.start_main_~x~4 290), 124302#(<= ULTIMATE.start_main_~x~4 288), 124305#(<= ULTIMATE.start_main_~x~4 294), 124304#(<= ULTIMATE.start_main_~x~4 292), 124307#(<= ULTIMATE.start_main_~x~4 298), 124306#(<= ULTIMATE.start_main_~x~4 296), 124309#(<= ULTIMATE.start_main_~x~4 302), 124308#(<= ULTIMATE.start_main_~x~4 300), 124311#(<= ULTIMATE.start_main_~x~4 306), 124310#(<= ULTIMATE.start_main_~x~4 304), 124313#(<= ULTIMATE.start_main_~x~4 310), 124312#(<= ULTIMATE.start_main_~x~4 308), 124315#(<= ULTIMATE.start_main_~x~4 314), 124314#(<= ULTIMATE.start_main_~x~4 312), 124317#(<= ULTIMATE.start_main_~x~4 318), 124316#(<= ULTIMATE.start_main_~x~4 316), 124319#(<= ULTIMATE.start_main_~x~4 322), 124318#(<= ULTIMATE.start_main_~x~4 320), 124321#(<= ULTIMATE.start_main_~x~4 326), 124320#(<= ULTIMATE.start_main_~x~4 324), 124323#(<= ULTIMATE.start_main_~x~4 330), 124322#(<= ULTIMATE.start_main_~x~4 328), 124325#(<= ULTIMATE.start_main_~x~4 334), 124324#(<= ULTIMATE.start_main_~x~4 332), 124327#(<= ULTIMATE.start_main_~x~4 338), 124326#(<= ULTIMATE.start_main_~x~4 336), 124329#(<= ULTIMATE.start_main_~x~4 342), 124328#(<= ULTIMATE.start_main_~x~4 340), 124331#(<= ULTIMATE.start_main_~x~4 346), 124330#(<= ULTIMATE.start_main_~x~4 344), 124333#(<= ULTIMATE.start_main_~x~4 350), 124332#(<= ULTIMATE.start_main_~x~4 348), 124335#(<= ULTIMATE.start_main_~x~4 354), 124334#(<= ULTIMATE.start_main_~x~4 352), 124337#(<= ULTIMATE.start_main_~x~4 358), 124336#(<= ULTIMATE.start_main_~x~4 356), 124339#(<= ULTIMATE.start_main_~x~4 362), 124338#(<= ULTIMATE.start_main_~x~4 360), 124341#(<= ULTIMATE.start_main_~x~4 366), 124340#(<= ULTIMATE.start_main_~x~4 364), 124343#(<= ULTIMATE.start_main_~x~4 370), 124342#(<= ULTIMATE.start_main_~x~4 368), 124345#(<= ULTIMATE.start_main_~x~4 374), 124344#(<= ULTIMATE.start_main_~x~4 372), 124347#(<= ULTIMATE.start_main_~x~4 378), 124346#(<= ULTIMATE.start_main_~x~4 376), 124349#(<= ULTIMATE.start_main_~x~4 382), 124348#(<= ULTIMATE.start_main_~x~4 380), 124351#(<= ULTIMATE.start_main_~x~4 386), 124350#(<= ULTIMATE.start_main_~x~4 384), 124353#(<= ULTIMATE.start_main_~x~4 390), 124352#(<= ULTIMATE.start_main_~x~4 388), 124355#(<= ULTIMATE.start_main_~x~4 394), 124354#(<= ULTIMATE.start_main_~x~4 392), 124357#(<= ULTIMATE.start_main_~x~4 398), 124356#(<= ULTIMATE.start_main_~x~4 396), 124359#(<= ULTIMATE.start_main_~x~4 402), 124358#(<= ULTIMATE.start_main_~x~4 400), 124361#(<= ULTIMATE.start_main_~x~4 406), 124360#(<= ULTIMATE.start_main_~x~4 404), 124363#(<= ULTIMATE.start_main_~x~4 410), 124362#(<= ULTIMATE.start_main_~x~4 408), 124365#(<= ULTIMATE.start_main_~x~4 414), 124364#(<= ULTIMATE.start_main_~x~4 412), 124367#(<= ULTIMATE.start_main_~x~4 418), 124366#(<= ULTIMATE.start_main_~x~4 416), 124369#(<= ULTIMATE.start_main_~x~4 422), 124368#(<= ULTIMATE.start_main_~x~4 420), 124371#(<= ULTIMATE.start_main_~x~4 426), 124370#(<= ULTIMATE.start_main_~x~4 424), 124373#(<= ULTIMATE.start_main_~x~4 430), 124372#(<= ULTIMATE.start_main_~x~4 428), 124375#(<= ULTIMATE.start_main_~x~4 434), 124374#(<= ULTIMATE.start_main_~x~4 432), 124377#(<= ULTIMATE.start_main_~x~4 438), 124376#(<= ULTIMATE.start_main_~x~4 436), 124379#(<= ULTIMATE.start_main_~x~4 442), 124378#(<= ULTIMATE.start_main_~x~4 440), 124381#(<= ULTIMATE.start_main_~x~4 446), 124380#(<= ULTIMATE.start_main_~x~4 444)] [2018-07-23 13:44:00,115 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 13:44:00,116 INFO L450 AbstractCegarLoop]: Interpolant automaton has 221 states [2018-07-23 13:44:00,119 INFO L132 InterpolantAutomaton]: Constructing interpolant automaton starting with 221 interpolants. [2018-07-23 13:44:00,122 INFO L133 InterpolantAutomaton]: CoverageRelationStatistics Valid=24310, Invalid=24310, Unknown=0, NotChecked=0, Total=48620 [2018-07-23 13:44:00,122 INFO L87 Difference]: Start difference. First operand 222 states and 222 transitions. Second operand 221 states. [2018-07-23 13:44:01,693 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2018-07-23 13:44:01,693 INFO L93 Difference]: Finished difference Result 225 states and 225 transitions. [2018-07-23 13:44:01,693 INFO L142 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 221 states. [2018-07-23 13:44:01,694 INFO L78 Accepts]: Start accepts. Automaton has 221 states. Word has length 221 [2018-07-23 13:44:01,694 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2018-07-23 13:44:01,694 INFO L225 Difference]: With dead ends: 225 [2018-07-23 13:44:01,694 INFO L226 Difference]: Without dead ends: 223 [2018-07-23 13:44:01,697 INFO L575 BasicCegarLoop]: 0 DeclaredPredicates, 220 GetRequests, 1 SyntacticMatches, 0 SemanticMatches, 219 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 0 ImplicationChecksByTransitivity, 0.8s TimeCoverageRelationStatistics Valid=24310, Invalid=24310, Unknown=0, NotChecked=0, Total=48620 [2018-07-23 13:44:01,697 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 223 states. [2018-07-23 13:44:01,699 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 223 to 223. [2018-07-23 13:44:01,699 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 223 states. [2018-07-23 13:44:01,699 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 223 states to 223 states and 223 transitions. [2018-07-23 13:44:01,699 INFO L78 Accepts]: Start accepts. Automaton has 223 states and 223 transitions. Word has length 221 [2018-07-23 13:44:01,700 INFO L84 Accepts]: Finished accepts. word is rejected. [2018-07-23 13:44:01,700 INFO L471 AbstractCegarLoop]: Abstraction has 223 states and 223 transitions. [2018-07-23 13:44:01,700 INFO L472 AbstractCegarLoop]: Interpolant automaton has 221 states. [2018-07-23 13:44:01,700 INFO L276 IsEmpty]: Start isEmpty. Operand 223 states and 223 transitions. [2018-07-23 13:44:01,700 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 223 [2018-07-23 13:44:01,700 INFO L349 BasicCegarLoop]: Found error trace [2018-07-23 13:44:01,700 INFO L357 BasicCegarLoop]: trace histogram [219, 1, 1, 1] [2018-07-23 13:44:01,700 INFO L414 AbstractCegarLoop]: === Iteration 220 === [ULTIMATE.startErr0AssertViolationASSERT]=== [2018-07-23 13:44:01,701 INFO L82 PathProgramCache]: Analyzing trace with hash -1891124280, now seen corresponding path program 219 times [2018-07-23 13:44:01,701 INFO L69 tionRefinementEngine]: Using refinement strategy FixedRefinementStrategy [2018-07-23 13:44:01,717 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-07-23 13:44:02,767 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 13:44:02,767 INFO L309 seRefinementStrategy]: Constructing automaton from 0 perfect and 1 imperfect interpolant sequences. [2018-07-23 13:44:02,767 INFO L324 seRefinementStrategy]: Number of different interpolants: perfect sequences [] imperfect sequences [221] total 221 [2018-07-23 13:44:02,767 INFO L142 lantAutomatonBuilder]: Constructing canonical interpolant automaton, with selfloop in false state [2018-07-23 13:44:02,767 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2018-07-23 13:44:02,768 INFO L185 omatonBuilderFactory]: Interpolants [125441#(<= ULTIMATE.start_main_~x~4 332), 125440#(<= ULTIMATE.start_main_~x~4 330), 125443#(<= ULTIMATE.start_main_~x~4 336), 125442#(<= ULTIMATE.start_main_~x~4 334), 125445#(<= ULTIMATE.start_main_~x~4 340), 125444#(<= ULTIMATE.start_main_~x~4 338), 125447#(<= ULTIMATE.start_main_~x~4 344), 125446#(<= ULTIMATE.start_main_~x~4 342), 125449#(<= ULTIMATE.start_main_~x~4 348), 125448#(<= ULTIMATE.start_main_~x~4 346), 125451#(<= ULTIMATE.start_main_~x~4 352), 125450#(<= ULTIMATE.start_main_~x~4 350), 125453#(<= ULTIMATE.start_main_~x~4 356), 125452#(<= ULTIMATE.start_main_~x~4 354), 125455#(<= ULTIMATE.start_main_~x~4 360), 125454#(<= ULTIMATE.start_main_~x~4 358), 125457#(<= ULTIMATE.start_main_~x~4 364), 125456#(<= ULTIMATE.start_main_~x~4 362), 125459#(<= ULTIMATE.start_main_~x~4 368), 125458#(<= ULTIMATE.start_main_~x~4 366), 125461#(<= ULTIMATE.start_main_~x~4 372), 125460#(<= ULTIMATE.start_main_~x~4 370), 125463#(<= ULTIMATE.start_main_~x~4 376), 125462#(<= ULTIMATE.start_main_~x~4 374), 125465#(<= ULTIMATE.start_main_~x~4 380), 125464#(<= ULTIMATE.start_main_~x~4 378), 125467#(<= ULTIMATE.start_main_~x~4 384), 125466#(<= ULTIMATE.start_main_~x~4 382), 125469#(<= ULTIMATE.start_main_~x~4 388), 125468#(<= ULTIMATE.start_main_~x~4 386), 125471#(<= ULTIMATE.start_main_~x~4 392), 125470#(<= ULTIMATE.start_main_~x~4 390), 125473#(<= ULTIMATE.start_main_~x~4 396), 125472#(<= ULTIMATE.start_main_~x~4 394), 125475#(<= ULTIMATE.start_main_~x~4 400), 125474#(<= ULTIMATE.start_main_~x~4 398), 125477#(<= ULTIMATE.start_main_~x~4 404), 125476#(<= ULTIMATE.start_main_~x~4 402), 125479#(<= ULTIMATE.start_main_~x~4 408), 125478#(<= ULTIMATE.start_main_~x~4 406), 125481#(<= ULTIMATE.start_main_~x~4 412), 125480#(<= ULTIMATE.start_main_~x~4 410), 125483#(<= ULTIMATE.start_main_~x~4 416), 125482#(<= ULTIMATE.start_main_~x~4 414), 125485#(<= ULTIMATE.start_main_~x~4 420), 125484#(<= ULTIMATE.start_main_~x~4 418), 125487#(<= ULTIMATE.start_main_~x~4 424), 125486#(<= ULTIMATE.start_main_~x~4 422), 125489#(<= ULTIMATE.start_main_~x~4 428), 125488#(<= ULTIMATE.start_main_~x~4 426), 125491#(<= ULTIMATE.start_main_~x~4 432), 125490#(<= ULTIMATE.start_main_~x~4 430), 125493#(<= ULTIMATE.start_main_~x~4 436), 125492#(<= ULTIMATE.start_main_~x~4 434), 125495#(<= ULTIMATE.start_main_~x~4 440), 125494#(<= ULTIMATE.start_main_~x~4 438), 125497#(<= ULTIMATE.start_main_~x~4 444), 125496#(<= ULTIMATE.start_main_~x~4 442), 125499#(<= ULTIMATE.start_main_~x~4 448), 125498#(<= ULTIMATE.start_main_~x~4 446), 125279#false, 125278#true, 125281#(<= ULTIMATE.start_main_~x~4 12), 125280#(<= ULTIMATE.start_main_~x~4 10), 125283#(<= ULTIMATE.start_main_~x~4 16), 125282#(<= ULTIMATE.start_main_~x~4 14), 125285#(<= ULTIMATE.start_main_~x~4 20), 125284#(<= ULTIMATE.start_main_~x~4 18), 125287#(<= ULTIMATE.start_main_~x~4 24), 125286#(<= ULTIMATE.start_main_~x~4 22), 125289#(<= ULTIMATE.start_main_~x~4 28), 125288#(<= ULTIMATE.start_main_~x~4 26), 125291#(<= ULTIMATE.start_main_~x~4 32), 125290#(<= ULTIMATE.start_main_~x~4 30), 125293#(<= ULTIMATE.start_main_~x~4 36), 125292#(<= ULTIMATE.start_main_~x~4 34), 125295#(<= ULTIMATE.start_main_~x~4 40), 125294#(<= ULTIMATE.start_main_~x~4 38), 125297#(<= ULTIMATE.start_main_~x~4 44), 125296#(<= ULTIMATE.start_main_~x~4 42), 125299#(<= ULTIMATE.start_main_~x~4 48), 125298#(<= ULTIMATE.start_main_~x~4 46), 125301#(<= ULTIMATE.start_main_~x~4 52), 125300#(<= ULTIMATE.start_main_~x~4 50), 125303#(<= ULTIMATE.start_main_~x~4 56), 125302#(<= ULTIMATE.start_main_~x~4 54), 125305#(<= ULTIMATE.start_main_~x~4 60), 125304#(<= ULTIMATE.start_main_~x~4 58), 125307#(<= ULTIMATE.start_main_~x~4 64), 125306#(<= ULTIMATE.start_main_~x~4 62), 125309#(<= ULTIMATE.start_main_~x~4 68), 125308#(<= ULTIMATE.start_main_~x~4 66), 125311#(<= ULTIMATE.start_main_~x~4 72), 125310#(<= ULTIMATE.start_main_~x~4 70), 125313#(<= ULTIMATE.start_main_~x~4 76), 125312#(<= ULTIMATE.start_main_~x~4 74), 125315#(<= ULTIMATE.start_main_~x~4 80), 125314#(<= ULTIMATE.start_main_~x~4 78), 125317#(<= ULTIMATE.start_main_~x~4 84), 125316#(<= ULTIMATE.start_main_~x~4 82), 125319#(<= ULTIMATE.start_main_~x~4 88), 125318#(<= ULTIMATE.start_main_~x~4 86), 125321#(<= ULTIMATE.start_main_~x~4 92), 125320#(<= ULTIMATE.start_main_~x~4 90), 125323#(<= ULTIMATE.start_main_~x~4 96), 125322#(<= ULTIMATE.start_main_~x~4 94), 125325#(<= ULTIMATE.start_main_~x~4 100), 125324#(<= ULTIMATE.start_main_~x~4 98), 125327#(<= ULTIMATE.start_main_~x~4 104), 125326#(<= ULTIMATE.start_main_~x~4 102), 125329#(<= ULTIMATE.start_main_~x~4 108), 125328#(<= ULTIMATE.start_main_~x~4 106), 125331#(<= ULTIMATE.start_main_~x~4 112), 125330#(<= ULTIMATE.start_main_~x~4 110), 125333#(<= ULTIMATE.start_main_~x~4 116), 125332#(<= ULTIMATE.start_main_~x~4 114), 125335#(<= ULTIMATE.start_main_~x~4 120), 125334#(<= ULTIMATE.start_main_~x~4 118), 125337#(<= ULTIMATE.start_main_~x~4 124), 125336#(<= ULTIMATE.start_main_~x~4 122), 125339#(<= ULTIMATE.start_main_~x~4 128), 125338#(<= ULTIMATE.start_main_~x~4 126), 125341#(<= ULTIMATE.start_main_~x~4 132), 125340#(<= ULTIMATE.start_main_~x~4 130), 125343#(<= ULTIMATE.start_main_~x~4 136), 125342#(<= ULTIMATE.start_main_~x~4 134), 125345#(<= ULTIMATE.start_main_~x~4 140), 125344#(<= ULTIMATE.start_main_~x~4 138), 125347#(<= ULTIMATE.start_main_~x~4 144), 125346#(<= ULTIMATE.start_main_~x~4 142), 125349#(<= ULTIMATE.start_main_~x~4 148), 125348#(<= ULTIMATE.start_main_~x~4 146), 125351#(<= ULTIMATE.start_main_~x~4 152), 125350#(<= ULTIMATE.start_main_~x~4 150), 125353#(<= ULTIMATE.start_main_~x~4 156), 125352#(<= ULTIMATE.start_main_~x~4 154), 125355#(<= ULTIMATE.start_main_~x~4 160), 125354#(<= ULTIMATE.start_main_~x~4 158), 125357#(<= ULTIMATE.start_main_~x~4 164), 125356#(<= ULTIMATE.start_main_~x~4 162), 125359#(<= ULTIMATE.start_main_~x~4 168), 125358#(<= ULTIMATE.start_main_~x~4 166), 125361#(<= ULTIMATE.start_main_~x~4 172), 125360#(<= ULTIMATE.start_main_~x~4 170), 125363#(<= ULTIMATE.start_main_~x~4 176), 125362#(<= ULTIMATE.start_main_~x~4 174), 125365#(<= ULTIMATE.start_main_~x~4 180), 125364#(<= ULTIMATE.start_main_~x~4 178), 125367#(<= ULTIMATE.start_main_~x~4 184), 125366#(<= ULTIMATE.start_main_~x~4 182), 125369#(<= ULTIMATE.start_main_~x~4 188), 125368#(<= ULTIMATE.start_main_~x~4 186), 125371#(<= ULTIMATE.start_main_~x~4 192), 125370#(<= ULTIMATE.start_main_~x~4 190), 125373#(<= ULTIMATE.start_main_~x~4 196), 125372#(<= ULTIMATE.start_main_~x~4 194), 125375#(<= ULTIMATE.start_main_~x~4 200), 125374#(<= ULTIMATE.start_main_~x~4 198), 125377#(<= ULTIMATE.start_main_~x~4 204), 125376#(<= ULTIMATE.start_main_~x~4 202), 125379#(<= ULTIMATE.start_main_~x~4 208), 125378#(<= ULTIMATE.start_main_~x~4 206), 125381#(<= ULTIMATE.start_main_~x~4 212), 125380#(<= ULTIMATE.start_main_~x~4 210), 125383#(<= ULTIMATE.start_main_~x~4 216), 125382#(<= ULTIMATE.start_main_~x~4 214), 125385#(<= ULTIMATE.start_main_~x~4 220), 125384#(<= ULTIMATE.start_main_~x~4 218), 125387#(<= ULTIMATE.start_main_~x~4 224), 125386#(<= ULTIMATE.start_main_~x~4 222), 125389#(<= ULTIMATE.start_main_~x~4 228), 125388#(<= ULTIMATE.start_main_~x~4 226), 125391#(<= ULTIMATE.start_main_~x~4 232), 125390#(<= ULTIMATE.start_main_~x~4 230), 125393#(<= ULTIMATE.start_main_~x~4 236), 125392#(<= ULTIMATE.start_main_~x~4 234), 125395#(<= ULTIMATE.start_main_~x~4 240), 125394#(<= ULTIMATE.start_main_~x~4 238), 125397#(<= ULTIMATE.start_main_~x~4 244), 125396#(<= ULTIMATE.start_main_~x~4 242), 125399#(<= ULTIMATE.start_main_~x~4 248), 125398#(<= ULTIMATE.start_main_~x~4 246), 125401#(<= ULTIMATE.start_main_~x~4 252), 125400#(<= ULTIMATE.start_main_~x~4 250), 125403#(<= ULTIMATE.start_main_~x~4 256), 125402#(<= ULTIMATE.start_main_~x~4 254), 125405#(<= ULTIMATE.start_main_~x~4 260), 125404#(<= ULTIMATE.start_main_~x~4 258), 125407#(<= ULTIMATE.start_main_~x~4 264), 125406#(<= ULTIMATE.start_main_~x~4 262), 125409#(<= ULTIMATE.start_main_~x~4 268), 125408#(<= ULTIMATE.start_main_~x~4 266), 125411#(<= ULTIMATE.start_main_~x~4 272), 125410#(<= ULTIMATE.start_main_~x~4 270), 125413#(<= ULTIMATE.start_main_~x~4 276), 125412#(<= ULTIMATE.start_main_~x~4 274), 125415#(<= ULTIMATE.start_main_~x~4 280), 125414#(<= ULTIMATE.start_main_~x~4 278), 125417#(<= ULTIMATE.start_main_~x~4 284), 125416#(<= ULTIMATE.start_main_~x~4 282), 125419#(<= ULTIMATE.start_main_~x~4 288), 125418#(<= ULTIMATE.start_main_~x~4 286), 125421#(<= ULTIMATE.start_main_~x~4 292), 125420#(<= ULTIMATE.start_main_~x~4 290), 125423#(<= ULTIMATE.start_main_~x~4 296), 125422#(<= ULTIMATE.start_main_~x~4 294), 125425#(<= ULTIMATE.start_main_~x~4 300), 125424#(<= ULTIMATE.start_main_~x~4 298), 125427#(<= ULTIMATE.start_main_~x~4 304), 125426#(<= ULTIMATE.start_main_~x~4 302), 125429#(<= ULTIMATE.start_main_~x~4 308), 125428#(<= ULTIMATE.start_main_~x~4 306), 125431#(<= ULTIMATE.start_main_~x~4 312), 125430#(<= ULTIMATE.start_main_~x~4 310), 125433#(<= ULTIMATE.start_main_~x~4 316), 125432#(<= ULTIMATE.start_main_~x~4 314), 125435#(<= ULTIMATE.start_main_~x~4 320), 125434#(<= ULTIMATE.start_main_~x~4 318), 125437#(<= ULTIMATE.start_main_~x~4 324), 125436#(<= ULTIMATE.start_main_~x~4 322), 125439#(<= ULTIMATE.start_main_~x~4 328), 125438#(<= ULTIMATE.start_main_~x~4 326)] [2018-07-23 13:44:02,769 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 13:44:02,769 INFO L450 AbstractCegarLoop]: Interpolant automaton has 222 states [2018-07-23 13:44:02,771 INFO L132 InterpolantAutomaton]: Constructing interpolant automaton starting with 222 interpolants. [2018-07-23 13:44:02,772 INFO L133 InterpolantAutomaton]: CoverageRelationStatistics Valid=24531, Invalid=24531, Unknown=0, NotChecked=0, Total=49062 [2018-07-23 13:44:02,773 INFO L87 Difference]: Start difference. First operand 223 states and 223 transitions. Second operand 222 states. [2018-07-23 13:44:03,293 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2018-07-23 13:44:03,294 INFO L93 Difference]: Finished difference Result 226 states and 226 transitions. [2018-07-23 13:44:03,294 INFO L142 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 222 states. [2018-07-23 13:44:03,294 INFO L78 Accepts]: Start accepts. Automaton has 222 states. Word has length 222 [2018-07-23 13:44:03,294 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2018-07-23 13:44:03,294 INFO L225 Difference]: With dead ends: 226 [2018-07-23 13:44:03,295 INFO L226 Difference]: Without dead ends: 224 [2018-07-23 13:44:03,296 INFO L575 BasicCegarLoop]: 0 DeclaredPredicates, 221 GetRequests, 1 SyntacticMatches, 0 SemanticMatches, 220 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 0 ImplicationChecksByTransitivity, 0.9s TimeCoverageRelationStatistics Valid=24531, Invalid=24531, Unknown=0, NotChecked=0, Total=49062 [2018-07-23 13:44:03,297 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 224 states. [2018-07-23 13:44:03,300 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 224 to 224. [2018-07-23 13:44:03,300 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 224 states. [2018-07-23 13:44:03,300 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 224 states to 224 states and 224 transitions. [2018-07-23 13:44:03,300 INFO L78 Accepts]: Start accepts. Automaton has 224 states and 224 transitions. Word has length 222 [2018-07-23 13:44:03,301 INFO L84 Accepts]: Finished accepts. word is rejected. [2018-07-23 13:44:03,301 INFO L471 AbstractCegarLoop]: Abstraction has 224 states and 224 transitions. [2018-07-23 13:44:03,301 INFO L472 AbstractCegarLoop]: Interpolant automaton has 222 states. [2018-07-23 13:44:03,301 INFO L276 IsEmpty]: Start isEmpty. Operand 224 states and 224 transitions. [2018-07-23 13:44:03,302 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 224 [2018-07-23 13:44:03,302 INFO L349 BasicCegarLoop]: Found error trace [2018-07-23 13:44:03,302 INFO L357 BasicCegarLoop]: trace histogram [220, 1, 1, 1] [2018-07-23 13:44:03,302 INFO L414 AbstractCegarLoop]: === Iteration 221 === [ULTIMATE.startErr0AssertViolationASSERT]=== [2018-07-23 13:44:03,302 INFO L82 PathProgramCache]: Analyzing trace with hash 1504687489, now seen corresponding path program 220 times [2018-07-23 13:44:03,302 INFO L69 tionRefinementEngine]: Using refinement strategy FixedRefinementStrategy [2018-07-23 13:44:03,329 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-07-23 13:44:04,408 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 13:44:04,409 INFO L309 seRefinementStrategy]: Constructing automaton from 0 perfect and 1 imperfect interpolant sequences. [2018-07-23 13:44:04,409 INFO L324 seRefinementStrategy]: Number of different interpolants: perfect sequences [] imperfect sequences [222] total 222 [2018-07-23 13:44:04,409 INFO L142 lantAutomatonBuilder]: Constructing canonical interpolant automaton, with selfloop in false state [2018-07-23 13:44:04,409 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2018-07-23 13:44:04,409 INFO L185 omatonBuilderFactory]: Interpolants [126465#(<= ULTIMATE.start_main_~x~4 136), 126464#(<= ULTIMATE.start_main_~x~4 134), 126467#(<= ULTIMATE.start_main_~x~4 140), 126466#(<= ULTIMATE.start_main_~x~4 138), 126469#(<= ULTIMATE.start_main_~x~4 144), 126468#(<= ULTIMATE.start_main_~x~4 142), 126471#(<= ULTIMATE.start_main_~x~4 148), 126470#(<= ULTIMATE.start_main_~x~4 146), 126473#(<= ULTIMATE.start_main_~x~4 152), 126472#(<= ULTIMATE.start_main_~x~4 150), 126475#(<= ULTIMATE.start_main_~x~4 156), 126474#(<= ULTIMATE.start_main_~x~4 154), 126477#(<= ULTIMATE.start_main_~x~4 160), 126476#(<= ULTIMATE.start_main_~x~4 158), 126479#(<= ULTIMATE.start_main_~x~4 164), 126478#(<= ULTIMATE.start_main_~x~4 162), 126481#(<= ULTIMATE.start_main_~x~4 168), 126480#(<= ULTIMATE.start_main_~x~4 166), 126483#(<= ULTIMATE.start_main_~x~4 172), 126482#(<= ULTIMATE.start_main_~x~4 170), 126485#(<= ULTIMATE.start_main_~x~4 176), 126484#(<= ULTIMATE.start_main_~x~4 174), 126487#(<= ULTIMATE.start_main_~x~4 180), 126486#(<= ULTIMATE.start_main_~x~4 178), 126489#(<= ULTIMATE.start_main_~x~4 184), 126488#(<= ULTIMATE.start_main_~x~4 182), 126491#(<= ULTIMATE.start_main_~x~4 188), 126490#(<= ULTIMATE.start_main_~x~4 186), 126493#(<= ULTIMATE.start_main_~x~4 192), 126492#(<= ULTIMATE.start_main_~x~4 190), 126495#(<= ULTIMATE.start_main_~x~4 196), 126494#(<= ULTIMATE.start_main_~x~4 194), 126497#(<= ULTIMATE.start_main_~x~4 200), 126496#(<= ULTIMATE.start_main_~x~4 198), 126499#(<= ULTIMATE.start_main_~x~4 204), 126498#(<= ULTIMATE.start_main_~x~4 202), 126501#(<= ULTIMATE.start_main_~x~4 208), 126500#(<= ULTIMATE.start_main_~x~4 206), 126503#(<= ULTIMATE.start_main_~x~4 212), 126502#(<= ULTIMATE.start_main_~x~4 210), 126505#(<= ULTIMATE.start_main_~x~4 216), 126504#(<= ULTIMATE.start_main_~x~4 214), 126507#(<= ULTIMATE.start_main_~x~4 220), 126506#(<= ULTIMATE.start_main_~x~4 218), 126509#(<= ULTIMATE.start_main_~x~4 224), 126508#(<= ULTIMATE.start_main_~x~4 222), 126511#(<= ULTIMATE.start_main_~x~4 228), 126510#(<= ULTIMATE.start_main_~x~4 226), 126513#(<= ULTIMATE.start_main_~x~4 232), 126512#(<= ULTIMATE.start_main_~x~4 230), 126515#(<= ULTIMATE.start_main_~x~4 236), 126514#(<= ULTIMATE.start_main_~x~4 234), 126517#(<= ULTIMATE.start_main_~x~4 240), 126516#(<= ULTIMATE.start_main_~x~4 238), 126519#(<= ULTIMATE.start_main_~x~4 244), 126518#(<= ULTIMATE.start_main_~x~4 242), 126521#(<= ULTIMATE.start_main_~x~4 248), 126520#(<= ULTIMATE.start_main_~x~4 246), 126523#(<= ULTIMATE.start_main_~x~4 252), 126522#(<= ULTIMATE.start_main_~x~4 250), 126525#(<= ULTIMATE.start_main_~x~4 256), 126524#(<= ULTIMATE.start_main_~x~4 254), 126527#(<= ULTIMATE.start_main_~x~4 260), 126526#(<= ULTIMATE.start_main_~x~4 258), 126529#(<= ULTIMATE.start_main_~x~4 264), 126528#(<= ULTIMATE.start_main_~x~4 262), 126531#(<= ULTIMATE.start_main_~x~4 268), 126530#(<= ULTIMATE.start_main_~x~4 266), 126533#(<= ULTIMATE.start_main_~x~4 272), 126532#(<= ULTIMATE.start_main_~x~4 270), 126535#(<= ULTIMATE.start_main_~x~4 276), 126534#(<= ULTIMATE.start_main_~x~4 274), 126537#(<= ULTIMATE.start_main_~x~4 280), 126536#(<= ULTIMATE.start_main_~x~4 278), 126539#(<= ULTIMATE.start_main_~x~4 284), 126538#(<= ULTIMATE.start_main_~x~4 282), 126541#(<= ULTIMATE.start_main_~x~4 288), 126540#(<= ULTIMATE.start_main_~x~4 286), 126543#(<= ULTIMATE.start_main_~x~4 292), 126542#(<= ULTIMATE.start_main_~x~4 290), 126545#(<= ULTIMATE.start_main_~x~4 296), 126544#(<= ULTIMATE.start_main_~x~4 294), 126547#(<= ULTIMATE.start_main_~x~4 300), 126546#(<= ULTIMATE.start_main_~x~4 298), 126549#(<= ULTIMATE.start_main_~x~4 304), 126548#(<= ULTIMATE.start_main_~x~4 302), 126551#(<= ULTIMATE.start_main_~x~4 308), 126550#(<= ULTIMATE.start_main_~x~4 306), 126553#(<= ULTIMATE.start_main_~x~4 312), 126552#(<= ULTIMATE.start_main_~x~4 310), 126555#(<= ULTIMATE.start_main_~x~4 316), 126554#(<= ULTIMATE.start_main_~x~4 314), 126557#(<= ULTIMATE.start_main_~x~4 320), 126556#(<= ULTIMATE.start_main_~x~4 318), 126559#(<= ULTIMATE.start_main_~x~4 324), 126558#(<= ULTIMATE.start_main_~x~4 322), 126561#(<= ULTIMATE.start_main_~x~4 328), 126560#(<= ULTIMATE.start_main_~x~4 326), 126563#(<= ULTIMATE.start_main_~x~4 332), 126562#(<= ULTIMATE.start_main_~x~4 330), 126565#(<= ULTIMATE.start_main_~x~4 336), 126564#(<= ULTIMATE.start_main_~x~4 334), 126567#(<= ULTIMATE.start_main_~x~4 340), 126566#(<= ULTIMATE.start_main_~x~4 338), 126569#(<= ULTIMATE.start_main_~x~4 344), 126568#(<= ULTIMATE.start_main_~x~4 342), 126571#(<= ULTIMATE.start_main_~x~4 348), 126570#(<= ULTIMATE.start_main_~x~4 346), 126573#(<= ULTIMATE.start_main_~x~4 352), 126572#(<= ULTIMATE.start_main_~x~4 350), 126575#(<= ULTIMATE.start_main_~x~4 356), 126574#(<= ULTIMATE.start_main_~x~4 354), 126577#(<= ULTIMATE.start_main_~x~4 360), 126576#(<= ULTIMATE.start_main_~x~4 358), 126579#(<= ULTIMATE.start_main_~x~4 364), 126578#(<= ULTIMATE.start_main_~x~4 362), 126581#(<= ULTIMATE.start_main_~x~4 368), 126580#(<= ULTIMATE.start_main_~x~4 366), 126583#(<= ULTIMATE.start_main_~x~4 372), 126582#(<= ULTIMATE.start_main_~x~4 370), 126585#(<= ULTIMATE.start_main_~x~4 376), 126584#(<= ULTIMATE.start_main_~x~4 374), 126587#(<= ULTIMATE.start_main_~x~4 380), 126586#(<= ULTIMATE.start_main_~x~4 378), 126589#(<= ULTIMATE.start_main_~x~4 384), 126588#(<= ULTIMATE.start_main_~x~4 382), 126591#(<= ULTIMATE.start_main_~x~4 388), 126590#(<= ULTIMATE.start_main_~x~4 386), 126593#(<= ULTIMATE.start_main_~x~4 392), 126592#(<= ULTIMATE.start_main_~x~4 390), 126595#(<= ULTIMATE.start_main_~x~4 396), 126594#(<= ULTIMATE.start_main_~x~4 394), 126597#(<= ULTIMATE.start_main_~x~4 400), 126596#(<= ULTIMATE.start_main_~x~4 398), 126599#(<= ULTIMATE.start_main_~x~4 404), 126598#(<= ULTIMATE.start_main_~x~4 402), 126601#(<= ULTIMATE.start_main_~x~4 408), 126600#(<= ULTIMATE.start_main_~x~4 406), 126603#(<= ULTIMATE.start_main_~x~4 412), 126602#(<= ULTIMATE.start_main_~x~4 410), 126605#(<= ULTIMATE.start_main_~x~4 416), 126604#(<= ULTIMATE.start_main_~x~4 414), 126607#(<= ULTIMATE.start_main_~x~4 420), 126606#(<= ULTIMATE.start_main_~x~4 418), 126609#(<= ULTIMATE.start_main_~x~4 424), 126608#(<= ULTIMATE.start_main_~x~4 422), 126611#(<= ULTIMATE.start_main_~x~4 428), 126610#(<= ULTIMATE.start_main_~x~4 426), 126613#(<= ULTIMATE.start_main_~x~4 432), 126612#(<= ULTIMATE.start_main_~x~4 430), 126615#(<= ULTIMATE.start_main_~x~4 436), 126614#(<= ULTIMATE.start_main_~x~4 434), 126617#(<= ULTIMATE.start_main_~x~4 440), 126616#(<= ULTIMATE.start_main_~x~4 438), 126619#(<= ULTIMATE.start_main_~x~4 444), 126618#(<= ULTIMATE.start_main_~x~4 442), 126621#(<= ULTIMATE.start_main_~x~4 448), 126620#(<= ULTIMATE.start_main_~x~4 446), 126622#(<= ULTIMATE.start_main_~x~4 450), 126401#false, 126400#true, 126403#(<= ULTIMATE.start_main_~x~4 12), 126402#(<= ULTIMATE.start_main_~x~4 10), 126405#(<= ULTIMATE.start_main_~x~4 16), 126404#(<= ULTIMATE.start_main_~x~4 14), 126407#(<= ULTIMATE.start_main_~x~4 20), 126406#(<= ULTIMATE.start_main_~x~4 18), 126409#(<= ULTIMATE.start_main_~x~4 24), 126408#(<= ULTIMATE.start_main_~x~4 22), 126411#(<= ULTIMATE.start_main_~x~4 28), 126410#(<= ULTIMATE.start_main_~x~4 26), 126413#(<= ULTIMATE.start_main_~x~4 32), 126412#(<= ULTIMATE.start_main_~x~4 30), 126415#(<= ULTIMATE.start_main_~x~4 36), 126414#(<= ULTIMATE.start_main_~x~4 34), 126417#(<= ULTIMATE.start_main_~x~4 40), 126416#(<= ULTIMATE.start_main_~x~4 38), 126419#(<= ULTIMATE.start_main_~x~4 44), 126418#(<= ULTIMATE.start_main_~x~4 42), 126421#(<= ULTIMATE.start_main_~x~4 48), 126420#(<= ULTIMATE.start_main_~x~4 46), 126423#(<= ULTIMATE.start_main_~x~4 52), 126422#(<= ULTIMATE.start_main_~x~4 50), 126425#(<= ULTIMATE.start_main_~x~4 56), 126424#(<= ULTIMATE.start_main_~x~4 54), 126427#(<= ULTIMATE.start_main_~x~4 60), 126426#(<= ULTIMATE.start_main_~x~4 58), 126429#(<= ULTIMATE.start_main_~x~4 64), 126428#(<= ULTIMATE.start_main_~x~4 62), 126431#(<= ULTIMATE.start_main_~x~4 68), 126430#(<= ULTIMATE.start_main_~x~4 66), 126433#(<= ULTIMATE.start_main_~x~4 72), 126432#(<= ULTIMATE.start_main_~x~4 70), 126435#(<= ULTIMATE.start_main_~x~4 76), 126434#(<= ULTIMATE.start_main_~x~4 74), 126437#(<= ULTIMATE.start_main_~x~4 80), 126436#(<= ULTIMATE.start_main_~x~4 78), 126439#(<= ULTIMATE.start_main_~x~4 84), 126438#(<= ULTIMATE.start_main_~x~4 82), 126441#(<= ULTIMATE.start_main_~x~4 88), 126440#(<= ULTIMATE.start_main_~x~4 86), 126443#(<= ULTIMATE.start_main_~x~4 92), 126442#(<= ULTIMATE.start_main_~x~4 90), 126445#(<= ULTIMATE.start_main_~x~4 96), 126444#(<= ULTIMATE.start_main_~x~4 94), 126447#(<= ULTIMATE.start_main_~x~4 100), 126446#(<= ULTIMATE.start_main_~x~4 98), 126449#(<= ULTIMATE.start_main_~x~4 104), 126448#(<= ULTIMATE.start_main_~x~4 102), 126451#(<= ULTIMATE.start_main_~x~4 108), 126450#(<= ULTIMATE.start_main_~x~4 106), 126453#(<= ULTIMATE.start_main_~x~4 112), 126452#(<= ULTIMATE.start_main_~x~4 110), 126455#(<= ULTIMATE.start_main_~x~4 116), 126454#(<= ULTIMATE.start_main_~x~4 114), 126457#(<= ULTIMATE.start_main_~x~4 120), 126456#(<= ULTIMATE.start_main_~x~4 118), 126459#(<= ULTIMATE.start_main_~x~4 124), 126458#(<= ULTIMATE.start_main_~x~4 122), 126461#(<= ULTIMATE.start_main_~x~4 128), 126460#(<= ULTIMATE.start_main_~x~4 126), 126463#(<= ULTIMATE.start_main_~x~4 132), 126462#(<= ULTIMATE.start_main_~x~4 130)] [2018-07-23 13:44:04,411 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 13:44:04,411 INFO L450 AbstractCegarLoop]: Interpolant automaton has 223 states [2018-07-23 13:44:04,414 INFO L132 InterpolantAutomaton]: Constructing interpolant automaton starting with 223 interpolants. [2018-07-23 13:44:04,416 INFO L133 InterpolantAutomaton]: CoverageRelationStatistics Valid=24753, Invalid=24753, Unknown=0, NotChecked=0, Total=49506 [2018-07-23 13:44:04,416 INFO L87 Difference]: Start difference. First operand 224 states and 224 transitions. Second operand 223 states. [2018-07-23 13:44:05,292 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2018-07-23 13:44:05,292 INFO L93 Difference]: Finished difference Result 227 states and 227 transitions. [2018-07-23 13:44:05,292 INFO L142 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 223 states. [2018-07-23 13:44:05,292 INFO L78 Accepts]: Start accepts. Automaton has 223 states. Word has length 223 [2018-07-23 13:44:05,293 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2018-07-23 13:44:05,293 INFO L225 Difference]: With dead ends: 227 [2018-07-23 13:44:05,293 INFO L226 Difference]: Without dead ends: 225 [2018-07-23 13:44:05,296 INFO L575 BasicCegarLoop]: 0 DeclaredPredicates, 222 GetRequests, 1 SyntacticMatches, 0 SemanticMatches, 221 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 0 ImplicationChecksByTransitivity, 0.9s TimeCoverageRelationStatistics Valid=24753, Invalid=24753, Unknown=0, NotChecked=0, Total=49506 [2018-07-23 13:44:05,296 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 225 states. [2018-07-23 13:44:05,298 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 225 to 225. [2018-07-23 13:44:05,298 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 225 states. [2018-07-23 13:44:05,299 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 225 states to 225 states and 225 transitions. [2018-07-23 13:44:05,299 INFO L78 Accepts]: Start accepts. Automaton has 225 states and 225 transitions. Word has length 223 [2018-07-23 13:44:05,299 INFO L84 Accepts]: Finished accepts. word is rejected. [2018-07-23 13:44:05,299 INFO L471 AbstractCegarLoop]: Abstraction has 225 states and 225 transitions. [2018-07-23 13:44:05,299 INFO L472 AbstractCegarLoop]: Interpolant automaton has 223 states. [2018-07-23 13:44:05,299 INFO L276 IsEmpty]: Start isEmpty. Operand 225 states and 225 transitions. [2018-07-23 13:44:05,299 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 225 [2018-07-23 13:44:05,300 INFO L349 BasicCegarLoop]: Found error trace [2018-07-23 13:44:05,300 INFO L357 BasicCegarLoop]: trace histogram [221, 1, 1, 1] [2018-07-23 13:44:05,300 INFO L414 AbstractCegarLoop]: === Iteration 222 === [ULTIMATE.startErr0AssertViolationASSERT]=== [2018-07-23 13:44:05,300 INFO L82 PathProgramCache]: Analyzing trace with hash -599330072, now seen corresponding path program 221 times [2018-07-23 13:44:05,300 INFO L69 tionRefinementEngine]: Using refinement strategy FixedRefinementStrategy [2018-07-23 13:44:05,317 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-07-23 13:44:06,349 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 13:44:06,350 INFO L309 seRefinementStrategy]: Constructing automaton from 0 perfect and 1 imperfect interpolant sequences. [2018-07-23 13:44:06,350 INFO L324 seRefinementStrategy]: Number of different interpolants: perfect sequences [] imperfect sequences [223] total 223 [2018-07-23 13:44:06,350 INFO L142 lantAutomatonBuilder]: Constructing canonical interpolant automaton, with selfloop in false state [2018-07-23 13:44:06,350 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2018-07-23 13:44:06,351 INFO L185 omatonBuilderFactory]: Interpolants [127527#true, 127529#(<= ULTIMATE.start_main_~x~4 10), 127528#false, 127531#(<= ULTIMATE.start_main_~x~4 14), 127530#(<= ULTIMATE.start_main_~x~4 12), 127533#(<= ULTIMATE.start_main_~x~4 18), 127532#(<= ULTIMATE.start_main_~x~4 16), 127535#(<= ULTIMATE.start_main_~x~4 22), 127534#(<= ULTIMATE.start_main_~x~4 20), 127537#(<= ULTIMATE.start_main_~x~4 26), 127536#(<= ULTIMATE.start_main_~x~4 24), 127539#(<= ULTIMATE.start_main_~x~4 30), 127538#(<= ULTIMATE.start_main_~x~4 28), 127541#(<= ULTIMATE.start_main_~x~4 34), 127540#(<= ULTIMATE.start_main_~x~4 32), 127543#(<= ULTIMATE.start_main_~x~4 38), 127542#(<= ULTIMATE.start_main_~x~4 36), 127545#(<= ULTIMATE.start_main_~x~4 42), 127544#(<= ULTIMATE.start_main_~x~4 40), 127547#(<= ULTIMATE.start_main_~x~4 46), 127546#(<= ULTIMATE.start_main_~x~4 44), 127549#(<= ULTIMATE.start_main_~x~4 50), 127548#(<= ULTIMATE.start_main_~x~4 48), 127551#(<= ULTIMATE.start_main_~x~4 54), 127550#(<= ULTIMATE.start_main_~x~4 52), 127553#(<= ULTIMATE.start_main_~x~4 58), 127552#(<= ULTIMATE.start_main_~x~4 56), 127555#(<= ULTIMATE.start_main_~x~4 62), 127554#(<= ULTIMATE.start_main_~x~4 60), 127557#(<= ULTIMATE.start_main_~x~4 66), 127556#(<= ULTIMATE.start_main_~x~4 64), 127559#(<= ULTIMATE.start_main_~x~4 70), 127558#(<= ULTIMATE.start_main_~x~4 68), 127561#(<= ULTIMATE.start_main_~x~4 74), 127560#(<= ULTIMATE.start_main_~x~4 72), 127563#(<= ULTIMATE.start_main_~x~4 78), 127562#(<= ULTIMATE.start_main_~x~4 76), 127565#(<= ULTIMATE.start_main_~x~4 82), 127564#(<= ULTIMATE.start_main_~x~4 80), 127567#(<= ULTIMATE.start_main_~x~4 86), 127566#(<= ULTIMATE.start_main_~x~4 84), 127569#(<= ULTIMATE.start_main_~x~4 90), 127568#(<= ULTIMATE.start_main_~x~4 88), 127571#(<= ULTIMATE.start_main_~x~4 94), 127570#(<= ULTIMATE.start_main_~x~4 92), 127573#(<= ULTIMATE.start_main_~x~4 98), 127572#(<= ULTIMATE.start_main_~x~4 96), 127575#(<= ULTIMATE.start_main_~x~4 102), 127574#(<= ULTIMATE.start_main_~x~4 100), 127577#(<= ULTIMATE.start_main_~x~4 106), 127576#(<= ULTIMATE.start_main_~x~4 104), 127579#(<= ULTIMATE.start_main_~x~4 110), 127578#(<= ULTIMATE.start_main_~x~4 108), 127581#(<= ULTIMATE.start_main_~x~4 114), 127580#(<= ULTIMATE.start_main_~x~4 112), 127583#(<= ULTIMATE.start_main_~x~4 118), 127582#(<= ULTIMATE.start_main_~x~4 116), 127585#(<= ULTIMATE.start_main_~x~4 122), 127584#(<= ULTIMATE.start_main_~x~4 120), 127587#(<= ULTIMATE.start_main_~x~4 126), 127586#(<= ULTIMATE.start_main_~x~4 124), 127589#(<= ULTIMATE.start_main_~x~4 130), 127588#(<= ULTIMATE.start_main_~x~4 128), 127591#(<= ULTIMATE.start_main_~x~4 134), 127590#(<= ULTIMATE.start_main_~x~4 132), 127593#(<= ULTIMATE.start_main_~x~4 138), 127592#(<= ULTIMATE.start_main_~x~4 136), 127595#(<= ULTIMATE.start_main_~x~4 142), 127594#(<= ULTIMATE.start_main_~x~4 140), 127597#(<= ULTIMATE.start_main_~x~4 146), 127596#(<= ULTIMATE.start_main_~x~4 144), 127599#(<= ULTIMATE.start_main_~x~4 150), 127598#(<= ULTIMATE.start_main_~x~4 148), 127601#(<= ULTIMATE.start_main_~x~4 154), 127600#(<= ULTIMATE.start_main_~x~4 152), 127603#(<= ULTIMATE.start_main_~x~4 158), 127602#(<= ULTIMATE.start_main_~x~4 156), 127605#(<= ULTIMATE.start_main_~x~4 162), 127604#(<= ULTIMATE.start_main_~x~4 160), 127607#(<= ULTIMATE.start_main_~x~4 166), 127606#(<= ULTIMATE.start_main_~x~4 164), 127609#(<= ULTIMATE.start_main_~x~4 170), 127608#(<= ULTIMATE.start_main_~x~4 168), 127611#(<= ULTIMATE.start_main_~x~4 174), 127610#(<= ULTIMATE.start_main_~x~4 172), 127613#(<= ULTIMATE.start_main_~x~4 178), 127612#(<= ULTIMATE.start_main_~x~4 176), 127615#(<= ULTIMATE.start_main_~x~4 182), 127614#(<= ULTIMATE.start_main_~x~4 180), 127617#(<= ULTIMATE.start_main_~x~4 186), 127616#(<= ULTIMATE.start_main_~x~4 184), 127619#(<= ULTIMATE.start_main_~x~4 190), 127618#(<= ULTIMATE.start_main_~x~4 188), 127621#(<= ULTIMATE.start_main_~x~4 194), 127620#(<= ULTIMATE.start_main_~x~4 192), 127623#(<= ULTIMATE.start_main_~x~4 198), 127622#(<= ULTIMATE.start_main_~x~4 196), 127625#(<= ULTIMATE.start_main_~x~4 202), 127624#(<= ULTIMATE.start_main_~x~4 200), 127627#(<= ULTIMATE.start_main_~x~4 206), 127626#(<= ULTIMATE.start_main_~x~4 204), 127629#(<= ULTIMATE.start_main_~x~4 210), 127628#(<= ULTIMATE.start_main_~x~4 208), 127631#(<= ULTIMATE.start_main_~x~4 214), 127630#(<= ULTIMATE.start_main_~x~4 212), 127633#(<= ULTIMATE.start_main_~x~4 218), 127632#(<= ULTIMATE.start_main_~x~4 216), 127635#(<= ULTIMATE.start_main_~x~4 222), 127634#(<= ULTIMATE.start_main_~x~4 220), 127637#(<= ULTIMATE.start_main_~x~4 226), 127636#(<= ULTIMATE.start_main_~x~4 224), 127639#(<= ULTIMATE.start_main_~x~4 230), 127638#(<= ULTIMATE.start_main_~x~4 228), 127641#(<= ULTIMATE.start_main_~x~4 234), 127640#(<= ULTIMATE.start_main_~x~4 232), 127643#(<= ULTIMATE.start_main_~x~4 238), 127642#(<= ULTIMATE.start_main_~x~4 236), 127645#(<= ULTIMATE.start_main_~x~4 242), 127644#(<= ULTIMATE.start_main_~x~4 240), 127647#(<= ULTIMATE.start_main_~x~4 246), 127646#(<= ULTIMATE.start_main_~x~4 244), 127649#(<= ULTIMATE.start_main_~x~4 250), 127648#(<= ULTIMATE.start_main_~x~4 248), 127651#(<= ULTIMATE.start_main_~x~4 254), 127650#(<= ULTIMATE.start_main_~x~4 252), 127653#(<= ULTIMATE.start_main_~x~4 258), 127652#(<= ULTIMATE.start_main_~x~4 256), 127655#(<= ULTIMATE.start_main_~x~4 262), 127654#(<= ULTIMATE.start_main_~x~4 260), 127657#(<= ULTIMATE.start_main_~x~4 266), 127656#(<= ULTIMATE.start_main_~x~4 264), 127659#(<= ULTIMATE.start_main_~x~4 270), 127658#(<= ULTIMATE.start_main_~x~4 268), 127661#(<= ULTIMATE.start_main_~x~4 274), 127660#(<= ULTIMATE.start_main_~x~4 272), 127663#(<= ULTIMATE.start_main_~x~4 278), 127662#(<= ULTIMATE.start_main_~x~4 276), 127665#(<= ULTIMATE.start_main_~x~4 282), 127664#(<= ULTIMATE.start_main_~x~4 280), 127667#(<= ULTIMATE.start_main_~x~4 286), 127666#(<= ULTIMATE.start_main_~x~4 284), 127669#(<= ULTIMATE.start_main_~x~4 290), 127668#(<= ULTIMATE.start_main_~x~4 288), 127671#(<= ULTIMATE.start_main_~x~4 294), 127670#(<= ULTIMATE.start_main_~x~4 292), 127673#(<= ULTIMATE.start_main_~x~4 298), 127672#(<= ULTIMATE.start_main_~x~4 296), 127675#(<= ULTIMATE.start_main_~x~4 302), 127674#(<= ULTIMATE.start_main_~x~4 300), 127677#(<= ULTIMATE.start_main_~x~4 306), 127676#(<= ULTIMATE.start_main_~x~4 304), 127679#(<= ULTIMATE.start_main_~x~4 310), 127678#(<= ULTIMATE.start_main_~x~4 308), 127681#(<= ULTIMATE.start_main_~x~4 314), 127680#(<= ULTIMATE.start_main_~x~4 312), 127683#(<= ULTIMATE.start_main_~x~4 318), 127682#(<= ULTIMATE.start_main_~x~4 316), 127685#(<= ULTIMATE.start_main_~x~4 322), 127684#(<= ULTIMATE.start_main_~x~4 320), 127687#(<= ULTIMATE.start_main_~x~4 326), 127686#(<= ULTIMATE.start_main_~x~4 324), 127689#(<= ULTIMATE.start_main_~x~4 330), 127688#(<= ULTIMATE.start_main_~x~4 328), 127691#(<= ULTIMATE.start_main_~x~4 334), 127690#(<= ULTIMATE.start_main_~x~4 332), 127693#(<= ULTIMATE.start_main_~x~4 338), 127692#(<= ULTIMATE.start_main_~x~4 336), 127695#(<= ULTIMATE.start_main_~x~4 342), 127694#(<= ULTIMATE.start_main_~x~4 340), 127697#(<= ULTIMATE.start_main_~x~4 346), 127696#(<= ULTIMATE.start_main_~x~4 344), 127699#(<= ULTIMATE.start_main_~x~4 350), 127698#(<= ULTIMATE.start_main_~x~4 348), 127701#(<= ULTIMATE.start_main_~x~4 354), 127700#(<= ULTIMATE.start_main_~x~4 352), 127703#(<= ULTIMATE.start_main_~x~4 358), 127702#(<= ULTIMATE.start_main_~x~4 356), 127705#(<= ULTIMATE.start_main_~x~4 362), 127704#(<= ULTIMATE.start_main_~x~4 360), 127707#(<= ULTIMATE.start_main_~x~4 366), 127706#(<= ULTIMATE.start_main_~x~4 364), 127709#(<= ULTIMATE.start_main_~x~4 370), 127708#(<= ULTIMATE.start_main_~x~4 368), 127711#(<= ULTIMATE.start_main_~x~4 374), 127710#(<= ULTIMATE.start_main_~x~4 372), 127713#(<= ULTIMATE.start_main_~x~4 378), 127712#(<= ULTIMATE.start_main_~x~4 376), 127715#(<= ULTIMATE.start_main_~x~4 382), 127714#(<= ULTIMATE.start_main_~x~4 380), 127717#(<= ULTIMATE.start_main_~x~4 386), 127716#(<= ULTIMATE.start_main_~x~4 384), 127719#(<= ULTIMATE.start_main_~x~4 390), 127718#(<= ULTIMATE.start_main_~x~4 388), 127721#(<= ULTIMATE.start_main_~x~4 394), 127720#(<= ULTIMATE.start_main_~x~4 392), 127723#(<= ULTIMATE.start_main_~x~4 398), 127722#(<= ULTIMATE.start_main_~x~4 396), 127725#(<= ULTIMATE.start_main_~x~4 402), 127724#(<= ULTIMATE.start_main_~x~4 400), 127727#(<= ULTIMATE.start_main_~x~4 406), 127726#(<= ULTIMATE.start_main_~x~4 404), 127729#(<= ULTIMATE.start_main_~x~4 410), 127728#(<= ULTIMATE.start_main_~x~4 408), 127731#(<= ULTIMATE.start_main_~x~4 414), 127730#(<= ULTIMATE.start_main_~x~4 412), 127733#(<= ULTIMATE.start_main_~x~4 418), 127732#(<= ULTIMATE.start_main_~x~4 416), 127735#(<= ULTIMATE.start_main_~x~4 422), 127734#(<= ULTIMATE.start_main_~x~4 420), 127737#(<= ULTIMATE.start_main_~x~4 426), 127736#(<= ULTIMATE.start_main_~x~4 424), 127739#(<= ULTIMATE.start_main_~x~4 430), 127738#(<= ULTIMATE.start_main_~x~4 428), 127741#(<= ULTIMATE.start_main_~x~4 434), 127740#(<= ULTIMATE.start_main_~x~4 432), 127743#(<= ULTIMATE.start_main_~x~4 438), 127742#(<= ULTIMATE.start_main_~x~4 436), 127745#(<= ULTIMATE.start_main_~x~4 442), 127744#(<= ULTIMATE.start_main_~x~4 440), 127747#(<= ULTIMATE.start_main_~x~4 446), 127746#(<= ULTIMATE.start_main_~x~4 444), 127749#(<= ULTIMATE.start_main_~x~4 450), 127748#(<= ULTIMATE.start_main_~x~4 448), 127750#(<= ULTIMATE.start_main_~x~4 452)] [2018-07-23 13:44:06,352 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 13:44:06,352 INFO L450 AbstractCegarLoop]: Interpolant automaton has 224 states [2018-07-23 13:44:06,356 INFO L132 InterpolantAutomaton]: Constructing interpolant automaton starting with 224 interpolants. [2018-07-23 13:44:06,358 INFO L133 InterpolantAutomaton]: CoverageRelationStatistics Valid=24976, Invalid=24976, Unknown=0, NotChecked=0, Total=49952 [2018-07-23 13:44:06,358 INFO L87 Difference]: Start difference. First operand 225 states and 225 transitions. Second operand 224 states. [2018-07-23 13:44:07,983 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2018-07-23 13:44:07,983 INFO L93 Difference]: Finished difference Result 228 states and 228 transitions. [2018-07-23 13:44:07,983 INFO L142 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 224 states. [2018-07-23 13:44:07,983 INFO L78 Accepts]: Start accepts. Automaton has 224 states. Word has length 224 [2018-07-23 13:44:07,983 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2018-07-23 13:44:07,984 INFO L225 Difference]: With dead ends: 228 [2018-07-23 13:44:07,984 INFO L226 Difference]: Without dead ends: 226 [2018-07-23 13:44:07,987 INFO L575 BasicCegarLoop]: 0 DeclaredPredicates, 223 GetRequests, 1 SyntacticMatches, 0 SemanticMatches, 222 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 0 ImplicationChecksByTransitivity, 0.9s TimeCoverageRelationStatistics Valid=24976, Invalid=24976, Unknown=0, NotChecked=0, Total=49952 [2018-07-23 13:44:07,987 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 226 states. [2018-07-23 13:44:07,989 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 226 to 226. [2018-07-23 13:44:07,989 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 226 states. [2018-07-23 13:44:07,989 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 226 states to 226 states and 226 transitions. [2018-07-23 13:44:07,989 INFO L78 Accepts]: Start accepts. Automaton has 226 states and 226 transitions. Word has length 224 [2018-07-23 13:44:07,990 INFO L84 Accepts]: Finished accepts. word is rejected. [2018-07-23 13:44:07,990 INFO L471 AbstractCegarLoop]: Abstraction has 226 states and 226 transitions. [2018-07-23 13:44:07,990 INFO L472 AbstractCegarLoop]: Interpolant automaton has 224 states. [2018-07-23 13:44:07,990 INFO L276 IsEmpty]: Start isEmpty. Operand 226 states and 226 transitions. [2018-07-23 13:44:07,990 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 226 [2018-07-23 13:44:07,990 INFO L349 BasicCegarLoop]: Found error trace [2018-07-23 13:44:07,990 INFO L357 BasicCegarLoop]: trace histogram [222, 1, 1, 1] [2018-07-23 13:44:07,990 INFO L414 AbstractCegarLoop]: === Iteration 223 === [ULTIMATE.startErr0AssertViolationASSERT]=== [2018-07-23 13:44:07,991 INFO L82 PathProgramCache]: Analyzing trace with hash -1399365023, now seen corresponding path program 222 times [2018-07-23 13:44:07,991 INFO L69 tionRefinementEngine]: Using refinement strategy FixedRefinementStrategy [2018-07-23 13:44:08,009 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-07-23 13:44:09,037 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 13:44:09,037 INFO L309 seRefinementStrategy]: Constructing automaton from 0 perfect and 1 imperfect interpolant sequences. [2018-07-23 13:44:09,037 INFO L324 seRefinementStrategy]: Number of different interpolants: perfect sequences [] imperfect sequences [224] total 224 [2018-07-23 13:44:09,037 INFO L142 lantAutomatonBuilder]: Constructing canonical interpolant automaton, with selfloop in false state [2018-07-23 13:44:09,037 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2018-07-23 13:44:09,038 INFO L185 omatonBuilderFactory]: Interpolants [128659#true, 128661#(<= ULTIMATE.start_main_~x~4 10), 128660#false, 128663#(<= ULTIMATE.start_main_~x~4 14), 128662#(<= ULTIMATE.start_main_~x~4 12), 128665#(<= ULTIMATE.start_main_~x~4 18), 128664#(<= ULTIMATE.start_main_~x~4 16), 128667#(<= ULTIMATE.start_main_~x~4 22), 128666#(<= ULTIMATE.start_main_~x~4 20), 128669#(<= ULTIMATE.start_main_~x~4 26), 128668#(<= ULTIMATE.start_main_~x~4 24), 128671#(<= ULTIMATE.start_main_~x~4 30), 128670#(<= ULTIMATE.start_main_~x~4 28), 128673#(<= ULTIMATE.start_main_~x~4 34), 128672#(<= ULTIMATE.start_main_~x~4 32), 128675#(<= ULTIMATE.start_main_~x~4 38), 128674#(<= ULTIMATE.start_main_~x~4 36), 128677#(<= ULTIMATE.start_main_~x~4 42), 128676#(<= ULTIMATE.start_main_~x~4 40), 128679#(<= ULTIMATE.start_main_~x~4 46), 128678#(<= ULTIMATE.start_main_~x~4 44), 128681#(<= ULTIMATE.start_main_~x~4 50), 128680#(<= ULTIMATE.start_main_~x~4 48), 128683#(<= ULTIMATE.start_main_~x~4 54), 128682#(<= ULTIMATE.start_main_~x~4 52), 128685#(<= ULTIMATE.start_main_~x~4 58), 128684#(<= ULTIMATE.start_main_~x~4 56), 128687#(<= ULTIMATE.start_main_~x~4 62), 128686#(<= ULTIMATE.start_main_~x~4 60), 128689#(<= ULTIMATE.start_main_~x~4 66), 128688#(<= ULTIMATE.start_main_~x~4 64), 128691#(<= ULTIMATE.start_main_~x~4 70), 128690#(<= ULTIMATE.start_main_~x~4 68), 128693#(<= ULTIMATE.start_main_~x~4 74), 128692#(<= ULTIMATE.start_main_~x~4 72), 128695#(<= ULTIMATE.start_main_~x~4 78), 128694#(<= ULTIMATE.start_main_~x~4 76), 128697#(<= ULTIMATE.start_main_~x~4 82), 128696#(<= ULTIMATE.start_main_~x~4 80), 128699#(<= ULTIMATE.start_main_~x~4 86), 128698#(<= ULTIMATE.start_main_~x~4 84), 128701#(<= ULTIMATE.start_main_~x~4 90), 128700#(<= ULTIMATE.start_main_~x~4 88), 128703#(<= ULTIMATE.start_main_~x~4 94), 128702#(<= ULTIMATE.start_main_~x~4 92), 128705#(<= ULTIMATE.start_main_~x~4 98), 128704#(<= ULTIMATE.start_main_~x~4 96), 128707#(<= ULTIMATE.start_main_~x~4 102), 128706#(<= ULTIMATE.start_main_~x~4 100), 128709#(<= ULTIMATE.start_main_~x~4 106), 128708#(<= ULTIMATE.start_main_~x~4 104), 128711#(<= ULTIMATE.start_main_~x~4 110), 128710#(<= ULTIMATE.start_main_~x~4 108), 128713#(<= ULTIMATE.start_main_~x~4 114), 128712#(<= ULTIMATE.start_main_~x~4 112), 128715#(<= ULTIMATE.start_main_~x~4 118), 128714#(<= ULTIMATE.start_main_~x~4 116), 128717#(<= ULTIMATE.start_main_~x~4 122), 128716#(<= ULTIMATE.start_main_~x~4 120), 128719#(<= ULTIMATE.start_main_~x~4 126), 128718#(<= ULTIMATE.start_main_~x~4 124), 128721#(<= ULTIMATE.start_main_~x~4 130), 128720#(<= ULTIMATE.start_main_~x~4 128), 128723#(<= ULTIMATE.start_main_~x~4 134), 128722#(<= ULTIMATE.start_main_~x~4 132), 128725#(<= ULTIMATE.start_main_~x~4 138), 128724#(<= ULTIMATE.start_main_~x~4 136), 128727#(<= ULTIMATE.start_main_~x~4 142), 128726#(<= ULTIMATE.start_main_~x~4 140), 128729#(<= ULTIMATE.start_main_~x~4 146), 128728#(<= ULTIMATE.start_main_~x~4 144), 128731#(<= ULTIMATE.start_main_~x~4 150), 128730#(<= ULTIMATE.start_main_~x~4 148), 128733#(<= ULTIMATE.start_main_~x~4 154), 128732#(<= ULTIMATE.start_main_~x~4 152), 128735#(<= ULTIMATE.start_main_~x~4 158), 128734#(<= ULTIMATE.start_main_~x~4 156), 128737#(<= ULTIMATE.start_main_~x~4 162), 128736#(<= ULTIMATE.start_main_~x~4 160), 128739#(<= ULTIMATE.start_main_~x~4 166), 128738#(<= ULTIMATE.start_main_~x~4 164), 128741#(<= ULTIMATE.start_main_~x~4 170), 128740#(<= ULTIMATE.start_main_~x~4 168), 128743#(<= ULTIMATE.start_main_~x~4 174), 128742#(<= ULTIMATE.start_main_~x~4 172), 128745#(<= ULTIMATE.start_main_~x~4 178), 128744#(<= ULTIMATE.start_main_~x~4 176), 128747#(<= ULTIMATE.start_main_~x~4 182), 128746#(<= ULTIMATE.start_main_~x~4 180), 128749#(<= ULTIMATE.start_main_~x~4 186), 128748#(<= ULTIMATE.start_main_~x~4 184), 128751#(<= ULTIMATE.start_main_~x~4 190), 128750#(<= ULTIMATE.start_main_~x~4 188), 128753#(<= ULTIMATE.start_main_~x~4 194), 128752#(<= ULTIMATE.start_main_~x~4 192), 128755#(<= ULTIMATE.start_main_~x~4 198), 128754#(<= ULTIMATE.start_main_~x~4 196), 128757#(<= ULTIMATE.start_main_~x~4 202), 128756#(<= ULTIMATE.start_main_~x~4 200), 128759#(<= ULTIMATE.start_main_~x~4 206), 128758#(<= ULTIMATE.start_main_~x~4 204), 128761#(<= ULTIMATE.start_main_~x~4 210), 128760#(<= ULTIMATE.start_main_~x~4 208), 128763#(<= ULTIMATE.start_main_~x~4 214), 128762#(<= ULTIMATE.start_main_~x~4 212), 128765#(<= ULTIMATE.start_main_~x~4 218), 128764#(<= ULTIMATE.start_main_~x~4 216), 128767#(<= ULTIMATE.start_main_~x~4 222), 128766#(<= ULTIMATE.start_main_~x~4 220), 128769#(<= ULTIMATE.start_main_~x~4 226), 128768#(<= ULTIMATE.start_main_~x~4 224), 128771#(<= ULTIMATE.start_main_~x~4 230), 128770#(<= ULTIMATE.start_main_~x~4 228), 128773#(<= ULTIMATE.start_main_~x~4 234), 128772#(<= ULTIMATE.start_main_~x~4 232), 128775#(<= ULTIMATE.start_main_~x~4 238), 128774#(<= ULTIMATE.start_main_~x~4 236), 128777#(<= ULTIMATE.start_main_~x~4 242), 128776#(<= ULTIMATE.start_main_~x~4 240), 128779#(<= ULTIMATE.start_main_~x~4 246), 128778#(<= ULTIMATE.start_main_~x~4 244), 128781#(<= ULTIMATE.start_main_~x~4 250), 128780#(<= ULTIMATE.start_main_~x~4 248), 128783#(<= ULTIMATE.start_main_~x~4 254), 128782#(<= ULTIMATE.start_main_~x~4 252), 128785#(<= ULTIMATE.start_main_~x~4 258), 128784#(<= ULTIMATE.start_main_~x~4 256), 128787#(<= ULTIMATE.start_main_~x~4 262), 128786#(<= ULTIMATE.start_main_~x~4 260), 128789#(<= ULTIMATE.start_main_~x~4 266), 128788#(<= ULTIMATE.start_main_~x~4 264), 128791#(<= ULTIMATE.start_main_~x~4 270), 128790#(<= ULTIMATE.start_main_~x~4 268), 128793#(<= ULTIMATE.start_main_~x~4 274), 128792#(<= ULTIMATE.start_main_~x~4 272), 128795#(<= ULTIMATE.start_main_~x~4 278), 128794#(<= ULTIMATE.start_main_~x~4 276), 128797#(<= ULTIMATE.start_main_~x~4 282), 128796#(<= ULTIMATE.start_main_~x~4 280), 128799#(<= ULTIMATE.start_main_~x~4 286), 128798#(<= ULTIMATE.start_main_~x~4 284), 128801#(<= ULTIMATE.start_main_~x~4 290), 128800#(<= ULTIMATE.start_main_~x~4 288), 128803#(<= ULTIMATE.start_main_~x~4 294), 128802#(<= ULTIMATE.start_main_~x~4 292), 128805#(<= ULTIMATE.start_main_~x~4 298), 128804#(<= ULTIMATE.start_main_~x~4 296), 128807#(<= ULTIMATE.start_main_~x~4 302), 128806#(<= ULTIMATE.start_main_~x~4 300), 128809#(<= ULTIMATE.start_main_~x~4 306), 128808#(<= ULTIMATE.start_main_~x~4 304), 128811#(<= ULTIMATE.start_main_~x~4 310), 128810#(<= ULTIMATE.start_main_~x~4 308), 128813#(<= ULTIMATE.start_main_~x~4 314), 128812#(<= ULTIMATE.start_main_~x~4 312), 128815#(<= ULTIMATE.start_main_~x~4 318), 128814#(<= ULTIMATE.start_main_~x~4 316), 128817#(<= ULTIMATE.start_main_~x~4 322), 128816#(<= ULTIMATE.start_main_~x~4 320), 128819#(<= ULTIMATE.start_main_~x~4 326), 128818#(<= ULTIMATE.start_main_~x~4 324), 128821#(<= ULTIMATE.start_main_~x~4 330), 128820#(<= ULTIMATE.start_main_~x~4 328), 128823#(<= ULTIMATE.start_main_~x~4 334), 128822#(<= ULTIMATE.start_main_~x~4 332), 128825#(<= ULTIMATE.start_main_~x~4 338), 128824#(<= ULTIMATE.start_main_~x~4 336), 128827#(<= ULTIMATE.start_main_~x~4 342), 128826#(<= ULTIMATE.start_main_~x~4 340), 128829#(<= ULTIMATE.start_main_~x~4 346), 128828#(<= ULTIMATE.start_main_~x~4 344), 128831#(<= ULTIMATE.start_main_~x~4 350), 128830#(<= ULTIMATE.start_main_~x~4 348), 128833#(<= ULTIMATE.start_main_~x~4 354), 128832#(<= ULTIMATE.start_main_~x~4 352), 128835#(<= ULTIMATE.start_main_~x~4 358), 128834#(<= ULTIMATE.start_main_~x~4 356), 128837#(<= ULTIMATE.start_main_~x~4 362), 128836#(<= ULTIMATE.start_main_~x~4 360), 128839#(<= ULTIMATE.start_main_~x~4 366), 128838#(<= ULTIMATE.start_main_~x~4 364), 128841#(<= ULTIMATE.start_main_~x~4 370), 128840#(<= ULTIMATE.start_main_~x~4 368), 128843#(<= ULTIMATE.start_main_~x~4 374), 128842#(<= ULTIMATE.start_main_~x~4 372), 128845#(<= ULTIMATE.start_main_~x~4 378), 128844#(<= ULTIMATE.start_main_~x~4 376), 128847#(<= ULTIMATE.start_main_~x~4 382), 128846#(<= ULTIMATE.start_main_~x~4 380), 128849#(<= ULTIMATE.start_main_~x~4 386), 128848#(<= ULTIMATE.start_main_~x~4 384), 128851#(<= ULTIMATE.start_main_~x~4 390), 128850#(<= ULTIMATE.start_main_~x~4 388), 128853#(<= ULTIMATE.start_main_~x~4 394), 128852#(<= ULTIMATE.start_main_~x~4 392), 128855#(<= ULTIMATE.start_main_~x~4 398), 128854#(<= ULTIMATE.start_main_~x~4 396), 128857#(<= ULTIMATE.start_main_~x~4 402), 128856#(<= ULTIMATE.start_main_~x~4 400), 128859#(<= ULTIMATE.start_main_~x~4 406), 128858#(<= ULTIMATE.start_main_~x~4 404), 128861#(<= ULTIMATE.start_main_~x~4 410), 128860#(<= ULTIMATE.start_main_~x~4 408), 128863#(<= ULTIMATE.start_main_~x~4 414), 128862#(<= ULTIMATE.start_main_~x~4 412), 128865#(<= ULTIMATE.start_main_~x~4 418), 128864#(<= ULTIMATE.start_main_~x~4 416), 128867#(<= ULTIMATE.start_main_~x~4 422), 128866#(<= ULTIMATE.start_main_~x~4 420), 128869#(<= ULTIMATE.start_main_~x~4 426), 128868#(<= ULTIMATE.start_main_~x~4 424), 128871#(<= ULTIMATE.start_main_~x~4 430), 128870#(<= ULTIMATE.start_main_~x~4 428), 128873#(<= ULTIMATE.start_main_~x~4 434), 128872#(<= ULTIMATE.start_main_~x~4 432), 128875#(<= ULTIMATE.start_main_~x~4 438), 128874#(<= ULTIMATE.start_main_~x~4 436), 128877#(<= ULTIMATE.start_main_~x~4 442), 128876#(<= ULTIMATE.start_main_~x~4 440), 128879#(<= ULTIMATE.start_main_~x~4 446), 128878#(<= ULTIMATE.start_main_~x~4 444), 128881#(<= ULTIMATE.start_main_~x~4 450), 128880#(<= ULTIMATE.start_main_~x~4 448), 128883#(<= ULTIMATE.start_main_~x~4 454), 128882#(<= ULTIMATE.start_main_~x~4 452)] [2018-07-23 13:44:09,039 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 13:44:09,039 INFO L450 AbstractCegarLoop]: Interpolant automaton has 225 states [2018-07-23 13:44:09,043 INFO L132 InterpolantAutomaton]: Constructing interpolant automaton starting with 225 interpolants. [2018-07-23 13:44:09,046 INFO L133 InterpolantAutomaton]: CoverageRelationStatistics Valid=25200, Invalid=25200, Unknown=0, NotChecked=0, Total=50400 [2018-07-23 13:44:09,047 INFO L87 Difference]: Start difference. First operand 226 states and 226 transitions. Second operand 225 states. [2018-07-23 13:44:10,109 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2018-07-23 13:44:10,109 INFO L93 Difference]: Finished difference Result 229 states and 229 transitions. [2018-07-23 13:44:10,109 INFO L142 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 225 states. [2018-07-23 13:44:10,109 INFO L78 Accepts]: Start accepts. Automaton has 225 states. Word has length 225 [2018-07-23 13:44:10,109 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2018-07-23 13:44:10,110 INFO L225 Difference]: With dead ends: 229 [2018-07-23 13:44:10,110 INFO L226 Difference]: Without dead ends: 227 [2018-07-23 13:44:10,114 INFO L575 BasicCegarLoop]: 0 DeclaredPredicates, 224 GetRequests, 1 SyntacticMatches, 0 SemanticMatches, 223 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 0 ImplicationChecksByTransitivity, 0.9s TimeCoverageRelationStatistics Valid=25200, Invalid=25200, Unknown=0, NotChecked=0, Total=50400 [2018-07-23 13:44:10,114 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 227 states. [2018-07-23 13:44:10,116 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 227 to 227. [2018-07-23 13:44:10,117 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 227 states. [2018-07-23 13:44:10,117 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 227 states to 227 states and 227 transitions. [2018-07-23 13:44:10,117 INFO L78 Accepts]: Start accepts. Automaton has 227 states and 227 transitions. Word has length 225 [2018-07-23 13:44:10,117 INFO L84 Accepts]: Finished accepts. word is rejected. [2018-07-23 13:44:10,117 INFO L471 AbstractCegarLoop]: Abstraction has 227 states and 227 transitions. [2018-07-23 13:44:10,117 INFO L472 AbstractCegarLoop]: Interpolant automaton has 225 states. [2018-07-23 13:44:10,117 INFO L276 IsEmpty]: Start isEmpty. Operand 227 states and 227 transitions. [2018-07-23 13:44:10,118 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 227 [2018-07-23 13:44:10,118 INFO L349 BasicCegarLoop]: Found error trace [2018-07-23 13:44:10,118 INFO L357 BasicCegarLoop]: trace histogram [223, 1, 1, 1] [2018-07-23 13:44:10,118 INFO L414 AbstractCegarLoop]: === Iteration 224 === [ULTIMATE.startErr0AssertViolationASSERT]=== [2018-07-23 13:44:10,118 INFO L82 PathProgramCache]: Analyzing trace with hash -430644728, now seen corresponding path program 223 times [2018-07-23 13:44:10,118 INFO L69 tionRefinementEngine]: Using refinement strategy FixedRefinementStrategy [2018-07-23 13:44:10,137 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-07-23 13:44:11,350 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 13:44:11,351 INFO L309 seRefinementStrategy]: Constructing automaton from 0 perfect and 1 imperfect interpolant sequences. [2018-07-23 13:44:11,351 INFO L324 seRefinementStrategy]: Number of different interpolants: perfect sequences [] imperfect sequences [225] total 225 [2018-07-23 13:44:11,351 INFO L142 lantAutomatonBuilder]: Constructing canonical interpolant automaton, with selfloop in false state [2018-07-23 13:44:11,351 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 13:44:11,352 INFO L185 omatonBuilderFactory]: Interpolants [129797#false, 129796#true, 129799#(<= ULTIMATE.start_main_~x~4 12), 129798#(<= ULTIMATE.start_main_~x~4 10), 129801#(<= ULTIMATE.start_main_~x~4 16), 129800#(<= ULTIMATE.start_main_~x~4 14), 129803#(<= ULTIMATE.start_main_~x~4 20), 129802#(<= ULTIMATE.start_main_~x~4 18), 129805#(<= ULTIMATE.start_main_~x~4 24), 129804#(<= ULTIMATE.start_main_~x~4 22), 129807#(<= ULTIMATE.start_main_~x~4 28), 129806#(<= ULTIMATE.start_main_~x~4 26), 129809#(<= ULTIMATE.start_main_~x~4 32), 129808#(<= ULTIMATE.start_main_~x~4 30), 129811#(<= ULTIMATE.start_main_~x~4 36), 129810#(<= ULTIMATE.start_main_~x~4 34), 129813#(<= ULTIMATE.start_main_~x~4 40), 129812#(<= ULTIMATE.start_main_~x~4 38), 129815#(<= ULTIMATE.start_main_~x~4 44), 129814#(<= ULTIMATE.start_main_~x~4 42), 129817#(<= ULTIMATE.start_main_~x~4 48), 129816#(<= ULTIMATE.start_main_~x~4 46), 129819#(<= ULTIMATE.start_main_~x~4 52), 129818#(<= ULTIMATE.start_main_~x~4 50), 129821#(<= ULTIMATE.start_main_~x~4 56), 129820#(<= ULTIMATE.start_main_~x~4 54), 129823#(<= ULTIMATE.start_main_~x~4 60), 129822#(<= ULTIMATE.start_main_~x~4 58), 129825#(<= ULTIMATE.start_main_~x~4 64), 129824#(<= ULTIMATE.start_main_~x~4 62), 129827#(<= ULTIMATE.start_main_~x~4 68), 129826#(<= ULTIMATE.start_main_~x~4 66), 129829#(<= ULTIMATE.start_main_~x~4 72), 129828#(<= ULTIMATE.start_main_~x~4 70), 129831#(<= ULTIMATE.start_main_~x~4 76), 129830#(<= ULTIMATE.start_main_~x~4 74), 129833#(<= ULTIMATE.start_main_~x~4 80), 129832#(<= ULTIMATE.start_main_~x~4 78), 129835#(<= ULTIMATE.start_main_~x~4 84), 129834#(<= ULTIMATE.start_main_~x~4 82), 129837#(<= ULTIMATE.start_main_~x~4 88), 129836#(<= ULTIMATE.start_main_~x~4 86), 129839#(<= ULTIMATE.start_main_~x~4 92), 129838#(<= ULTIMATE.start_main_~x~4 90), 129841#(<= ULTIMATE.start_main_~x~4 96), 129840#(<= ULTIMATE.start_main_~x~4 94), 129843#(<= ULTIMATE.start_main_~x~4 100), 129842#(<= ULTIMATE.start_main_~x~4 98), 129845#(<= ULTIMATE.start_main_~x~4 104), 129844#(<= ULTIMATE.start_main_~x~4 102), 129847#(<= ULTIMATE.start_main_~x~4 108), 129846#(<= ULTIMATE.start_main_~x~4 106), 129849#(<= ULTIMATE.start_main_~x~4 112), 129848#(<= ULTIMATE.start_main_~x~4 110), 129851#(<= ULTIMATE.start_main_~x~4 116), 129850#(<= ULTIMATE.start_main_~x~4 114), 129853#(<= ULTIMATE.start_main_~x~4 120), 129852#(<= ULTIMATE.start_main_~x~4 118), 129855#(<= ULTIMATE.start_main_~x~4 124), 129854#(<= ULTIMATE.start_main_~x~4 122), 129857#(<= ULTIMATE.start_main_~x~4 128), 129856#(<= ULTIMATE.start_main_~x~4 126), 129859#(<= ULTIMATE.start_main_~x~4 132), 129858#(<= ULTIMATE.start_main_~x~4 130), 129861#(<= ULTIMATE.start_main_~x~4 136), 129860#(<= ULTIMATE.start_main_~x~4 134), 129863#(<= ULTIMATE.start_main_~x~4 140), 129862#(<= ULTIMATE.start_main_~x~4 138), 129865#(<= ULTIMATE.start_main_~x~4 144), 129864#(<= ULTIMATE.start_main_~x~4 142), 129867#(<= ULTIMATE.start_main_~x~4 148), 129866#(<= ULTIMATE.start_main_~x~4 146), 129869#(<= ULTIMATE.start_main_~x~4 152), 129868#(<= ULTIMATE.start_main_~x~4 150), 129871#(<= ULTIMATE.start_main_~x~4 156), 129870#(<= ULTIMATE.start_main_~x~4 154), 129873#(<= ULTIMATE.start_main_~x~4 160), 129872#(<= ULTIMATE.start_main_~x~4 158), 129875#(<= ULTIMATE.start_main_~x~4 164), 129874#(<= ULTIMATE.start_main_~x~4 162), 129877#(<= ULTIMATE.start_main_~x~4 168), 129876#(<= ULTIMATE.start_main_~x~4 166), 129879#(<= ULTIMATE.start_main_~x~4 172), 129878#(<= ULTIMATE.start_main_~x~4 170), 129881#(<= ULTIMATE.start_main_~x~4 176), 129880#(<= ULTIMATE.start_main_~x~4 174), 129883#(<= ULTIMATE.start_main_~x~4 180), 129882#(<= ULTIMATE.start_main_~x~4 178), 129885#(<= ULTIMATE.start_main_~x~4 184), 129884#(<= ULTIMATE.start_main_~x~4 182), 129887#(<= ULTIMATE.start_main_~x~4 188), 129886#(<= ULTIMATE.start_main_~x~4 186), 129889#(<= ULTIMATE.start_main_~x~4 192), 129888#(<= ULTIMATE.start_main_~x~4 190), 129891#(<= ULTIMATE.start_main_~x~4 196), 129890#(<= ULTIMATE.start_main_~x~4 194), 129893#(<= ULTIMATE.start_main_~x~4 200), 129892#(<= ULTIMATE.start_main_~x~4 198), 129895#(<= ULTIMATE.start_main_~x~4 204), 129894#(<= ULTIMATE.start_main_~x~4 202), 129897#(<= ULTIMATE.start_main_~x~4 208), 129896#(<= ULTIMATE.start_main_~x~4 206), 129899#(<= ULTIMATE.start_main_~x~4 212), 129898#(<= ULTIMATE.start_main_~x~4 210), 129901#(<= ULTIMATE.start_main_~x~4 216), 129900#(<= ULTIMATE.start_main_~x~4 214), 129903#(<= ULTIMATE.start_main_~x~4 220), 129902#(<= ULTIMATE.start_main_~x~4 218), 129905#(<= ULTIMATE.start_main_~x~4 224), 129904#(<= ULTIMATE.start_main_~x~4 222), 129907#(<= ULTIMATE.start_main_~x~4 228), 129906#(<= ULTIMATE.start_main_~x~4 226), 129909#(<= ULTIMATE.start_main_~x~4 232), 129908#(<= ULTIMATE.start_main_~x~4 230), 129911#(<= ULTIMATE.start_main_~x~4 236), 129910#(<= ULTIMATE.start_main_~x~4 234), 129913#(<= ULTIMATE.start_main_~x~4 240), 129912#(<= ULTIMATE.start_main_~x~4 238), 129915#(<= ULTIMATE.start_main_~x~4 244), 129914#(<= ULTIMATE.start_main_~x~4 242), 129917#(<= ULTIMATE.start_main_~x~4 248), 129916#(<= ULTIMATE.start_main_~x~4 246), 129919#(<= ULTIMATE.start_main_~x~4 252), 129918#(<= ULTIMATE.start_main_~x~4 250), 129921#(<= ULTIMATE.start_main_~x~4 256), 129920#(<= ULTIMATE.start_main_~x~4 254), 129923#(<= ULTIMATE.start_main_~x~4 260), 129922#(<= ULTIMATE.start_main_~x~4 258), 129925#(<= ULTIMATE.start_main_~x~4 264), 129924#(<= ULTIMATE.start_main_~x~4 262), 129927#(<= ULTIMATE.start_main_~x~4 268), 129926#(<= ULTIMATE.start_main_~x~4 266), 129929#(<= ULTIMATE.start_main_~x~4 272), 129928#(<= ULTIMATE.start_main_~x~4 270), 129931#(<= ULTIMATE.start_main_~x~4 276), 129930#(<= ULTIMATE.start_main_~x~4 274), 129933#(<= ULTIMATE.start_main_~x~4 280), 129932#(<= ULTIMATE.start_main_~x~4 278), 129935#(<= ULTIMATE.start_main_~x~4 284), 129934#(<= ULTIMATE.start_main_~x~4 282), 129937#(<= ULTIMATE.start_main_~x~4 288), 129936#(<= ULTIMATE.start_main_~x~4 286), 129939#(<= ULTIMATE.start_main_~x~4 292), 129938#(<= ULTIMATE.start_main_~x~4 290), 129941#(<= ULTIMATE.start_main_~x~4 296), 129940#(<= ULTIMATE.start_main_~x~4 294), 129943#(<= ULTIMATE.start_main_~x~4 300), 129942#(<= ULTIMATE.start_main_~x~4 298), 129945#(<= ULTIMATE.start_main_~x~4 304), 129944#(<= ULTIMATE.start_main_~x~4 302), 129947#(<= ULTIMATE.start_main_~x~4 308), 129946#(<= ULTIMATE.start_main_~x~4 306), 129949#(<= ULTIMATE.start_main_~x~4 312), 129948#(<= ULTIMATE.start_main_~x~4 310), 129951#(<= ULTIMATE.start_main_~x~4 316), 129950#(<= ULTIMATE.start_main_~x~4 314), 129953#(<= ULTIMATE.start_main_~x~4 320), 129952#(<= ULTIMATE.start_main_~x~4 318), 129955#(<= ULTIMATE.start_main_~x~4 324), 129954#(<= ULTIMATE.start_main_~x~4 322), 129957#(<= ULTIMATE.start_main_~x~4 328), 129956#(<= ULTIMATE.start_main_~x~4 326), 129959#(<= ULTIMATE.start_main_~x~4 332), 129958#(<= ULTIMATE.start_main_~x~4 330), 129961#(<= ULTIMATE.start_main_~x~4 336), 129960#(<= ULTIMATE.start_main_~x~4 334), 129963#(<= ULTIMATE.start_main_~x~4 340), 129962#(<= ULTIMATE.start_main_~x~4 338), 129965#(<= ULTIMATE.start_main_~x~4 344), 129964#(<= ULTIMATE.start_main_~x~4 342), 129967#(<= ULTIMATE.start_main_~x~4 348), 129966#(<= ULTIMATE.start_main_~x~4 346), 129969#(<= ULTIMATE.start_main_~x~4 352), 129968#(<= ULTIMATE.start_main_~x~4 350), 129971#(<= ULTIMATE.start_main_~x~4 356), 129970#(<= ULTIMATE.start_main_~x~4 354), 129973#(<= ULTIMATE.start_main_~x~4 360), 129972#(<= ULTIMATE.start_main_~x~4 358), 129975#(<= ULTIMATE.start_main_~x~4 364), 129974#(<= ULTIMATE.start_main_~x~4 362), 129977#(<= ULTIMATE.start_main_~x~4 368), 129976#(<= ULTIMATE.start_main_~x~4 366), 129979#(<= ULTIMATE.start_main_~x~4 372), 129978#(<= ULTIMATE.start_main_~x~4 370), 129981#(<= ULTIMATE.start_main_~x~4 376), 129980#(<= ULTIMATE.start_main_~x~4 374), 129983#(<= ULTIMATE.start_main_~x~4 380), 129982#(<= ULTIMATE.start_main_~x~4 378), 129985#(<= ULTIMATE.start_main_~x~4 384), 129984#(<= ULTIMATE.start_main_~x~4 382), 129987#(<= ULTIMATE.start_main_~x~4 388), 129986#(<= ULTIMATE.start_main_~x~4 386), 129989#(<= ULTIMATE.start_main_~x~4 392), 129988#(<= ULTIMATE.start_main_~x~4 390), 129991#(<= ULTIMATE.start_main_~x~4 396), 129990#(<= ULTIMATE.start_main_~x~4 394), 129993#(<= ULTIMATE.start_main_~x~4 400), 129992#(<= ULTIMATE.start_main_~x~4 398), 129995#(<= ULTIMATE.start_main_~x~4 404), 129994#(<= ULTIMATE.start_main_~x~4 402), 129997#(<= ULTIMATE.start_main_~x~4 408), 129996#(<= ULTIMATE.start_main_~x~4 406), 129999#(<= ULTIMATE.start_main_~x~4 412), 129998#(<= ULTIMATE.start_main_~x~4 410), 130001#(<= ULTIMATE.start_main_~x~4 416), 130000#(<= ULTIMATE.start_main_~x~4 414), 130003#(<= ULTIMATE.start_main_~x~4 420), 130002#(<= ULTIMATE.start_main_~x~4 418), 130005#(<= ULTIMATE.start_main_~x~4 424), 130004#(<= ULTIMATE.start_main_~x~4 422), 130007#(<= ULTIMATE.start_main_~x~4 428), 130006#(<= ULTIMATE.start_main_~x~4 426), 130009#(<= ULTIMATE.start_main_~x~4 432), 130008#(<= ULTIMATE.start_main_~x~4 430), 130011#(<= ULTIMATE.start_main_~x~4 436), 130010#(<= ULTIMATE.start_main_~x~4 434), 130013#(<= ULTIMATE.start_main_~x~4 440), 130012#(<= ULTIMATE.start_main_~x~4 438), 130015#(<= ULTIMATE.start_main_~x~4 444), 130014#(<= ULTIMATE.start_main_~x~4 442), 130017#(<= ULTIMATE.start_main_~x~4 448), 130016#(<= ULTIMATE.start_main_~x~4 446), 130019#(<= ULTIMATE.start_main_~x~4 452), 130018#(<= ULTIMATE.start_main_~x~4 450), 130021#(<= ULTIMATE.start_main_~x~4 456), 130020#(<= ULTIMATE.start_main_~x~4 454)] [2018-07-23 13:44:11,353 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 13:44:11,353 INFO L450 AbstractCegarLoop]: Interpolant automaton has 226 states [2018-07-23 13:44:11,357 INFO L132 InterpolantAutomaton]: Constructing interpolant automaton starting with 226 interpolants. [2018-07-23 13:44:11,360 INFO L133 InterpolantAutomaton]: CoverageRelationStatistics Valid=25425, Invalid=25425, Unknown=0, NotChecked=0, Total=50850 [2018-07-23 13:44:11,360 INFO L87 Difference]: Start difference. First operand 227 states and 227 transitions. Second operand 226 states. [2018-07-23 13:44:13,406 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2018-07-23 13:44:13,406 INFO L93 Difference]: Finished difference Result 230 states and 230 transitions. [2018-07-23 13:44:13,406 INFO L142 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 226 states. [2018-07-23 13:44:13,407 INFO L78 Accepts]: Start accepts. Automaton has 226 states. Word has length 226 [2018-07-23 13:44:13,407 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2018-07-23 13:44:13,407 INFO L225 Difference]: With dead ends: 230 [2018-07-23 13:44:13,407 INFO L226 Difference]: Without dead ends: 228 [2018-07-23 13:44:13,412 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 13:44:13,412 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 228 states. [2018-07-23 13:44:13,414 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 228 to 228. [2018-07-23 13:44:13,414 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 228 states. [2018-07-23 13:44:13,414 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 228 states to 228 states and 228 transitions. [2018-07-23 13:44:13,415 INFO L78 Accepts]: Start accepts. Automaton has 228 states and 228 transitions. Word has length 226 [2018-07-23 13:44:13,415 INFO L84 Accepts]: Finished accepts. word is rejected. [2018-07-23 13:44:13,415 INFO L471 AbstractCegarLoop]: Abstraction has 228 states and 228 transitions. [2018-07-23 13:44:13,415 INFO L472 AbstractCegarLoop]: Interpolant automaton has 226 states. [2018-07-23 13:44:13,415 INFO L276 IsEmpty]: Start isEmpty. Operand 228 states and 228 transitions. [2018-07-23 13:44:13,415 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 228 [2018-07-23 13:44:13,416 INFO L349 BasicCegarLoop]: Found error trace [2018-07-23 13:44:13,416 INFO L357 BasicCegarLoop]: trace histogram [224, 1, 1, 1] [2018-07-23 13:44:13,416 INFO L414 AbstractCegarLoop]: === Iteration 225 === [ULTIMATE.startErr0AssertViolationASSERT]=== [2018-07-23 13:44:13,416 INFO L82 PathProgramCache]: Analyzing trace with hash -465086655, now seen corresponding path program 224 times [2018-07-23 13:44:13,416 INFO L69 tionRefinementEngine]: Using refinement strategy FixedRefinementStrategy [2018-07-23 13:44:13,436 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-07-23 13:44:14,590 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 13:44:14,590 INFO L309 seRefinementStrategy]: Constructing automaton from 0 perfect and 1 imperfect interpolant sequences. [2018-07-23 13:44:14,590 INFO L324 seRefinementStrategy]: Number of different interpolants: perfect sequences [] imperfect sequences [226] total 226 [2018-07-23 13:44:14,590 INFO L142 lantAutomatonBuilder]: Constructing canonical interpolant automaton, with selfloop in false state [2018-07-23 13:44:14,591 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2018-07-23 13:44:14,591 INFO L185 omatonBuilderFactory]: Interpolants [131074#(<= ULTIMATE.start_main_~x~4 278), 131075#(<= ULTIMATE.start_main_~x~4 280), 131072#(<= ULTIMATE.start_main_~x~4 274), 131073#(<= ULTIMATE.start_main_~x~4 276), 131078#(<= ULTIMATE.start_main_~x~4 286), 131079#(<= ULTIMATE.start_main_~x~4 288), 131076#(<= ULTIMATE.start_main_~x~4 282), 131077#(<= ULTIMATE.start_main_~x~4 284), 131082#(<= ULTIMATE.start_main_~x~4 294), 131083#(<= ULTIMATE.start_main_~x~4 296), 131080#(<= ULTIMATE.start_main_~x~4 290), 131081#(<= ULTIMATE.start_main_~x~4 292), 131086#(<= ULTIMATE.start_main_~x~4 302), 131087#(<= ULTIMATE.start_main_~x~4 304), 131084#(<= ULTIMATE.start_main_~x~4 298), 131085#(<= ULTIMATE.start_main_~x~4 300), 131090#(<= ULTIMATE.start_main_~x~4 310), 131091#(<= ULTIMATE.start_main_~x~4 312), 131088#(<= ULTIMATE.start_main_~x~4 306), 131089#(<= ULTIMATE.start_main_~x~4 308), 131094#(<= ULTIMATE.start_main_~x~4 318), 131095#(<= ULTIMATE.start_main_~x~4 320), 131092#(<= ULTIMATE.start_main_~x~4 314), 131093#(<= ULTIMATE.start_main_~x~4 316), 131098#(<= ULTIMATE.start_main_~x~4 326), 131099#(<= ULTIMATE.start_main_~x~4 328), 131096#(<= ULTIMATE.start_main_~x~4 322), 131097#(<= ULTIMATE.start_main_~x~4 324), 131102#(<= ULTIMATE.start_main_~x~4 334), 131103#(<= ULTIMATE.start_main_~x~4 336), 131100#(<= ULTIMATE.start_main_~x~4 330), 131101#(<= ULTIMATE.start_main_~x~4 332), 131106#(<= ULTIMATE.start_main_~x~4 342), 131107#(<= ULTIMATE.start_main_~x~4 344), 131104#(<= ULTIMATE.start_main_~x~4 338), 131105#(<= ULTIMATE.start_main_~x~4 340), 131110#(<= ULTIMATE.start_main_~x~4 350), 131111#(<= ULTIMATE.start_main_~x~4 352), 131108#(<= ULTIMATE.start_main_~x~4 346), 131109#(<= ULTIMATE.start_main_~x~4 348), 131114#(<= ULTIMATE.start_main_~x~4 358), 131115#(<= ULTIMATE.start_main_~x~4 360), 131112#(<= ULTIMATE.start_main_~x~4 354), 131113#(<= ULTIMATE.start_main_~x~4 356), 131118#(<= ULTIMATE.start_main_~x~4 366), 131119#(<= ULTIMATE.start_main_~x~4 368), 131116#(<= ULTIMATE.start_main_~x~4 362), 131117#(<= ULTIMATE.start_main_~x~4 364), 131122#(<= ULTIMATE.start_main_~x~4 374), 131123#(<= ULTIMATE.start_main_~x~4 376), 131120#(<= ULTIMATE.start_main_~x~4 370), 131121#(<= ULTIMATE.start_main_~x~4 372), 131126#(<= ULTIMATE.start_main_~x~4 382), 131127#(<= ULTIMATE.start_main_~x~4 384), 131124#(<= ULTIMATE.start_main_~x~4 378), 131125#(<= ULTIMATE.start_main_~x~4 380), 131130#(<= ULTIMATE.start_main_~x~4 390), 131131#(<= ULTIMATE.start_main_~x~4 392), 131128#(<= ULTIMATE.start_main_~x~4 386), 131129#(<= ULTIMATE.start_main_~x~4 388), 131134#(<= ULTIMATE.start_main_~x~4 398), 131135#(<= ULTIMATE.start_main_~x~4 400), 131132#(<= ULTIMATE.start_main_~x~4 394), 131133#(<= ULTIMATE.start_main_~x~4 396), 131138#(<= ULTIMATE.start_main_~x~4 406), 131139#(<= ULTIMATE.start_main_~x~4 408), 131136#(<= ULTIMATE.start_main_~x~4 402), 131137#(<= ULTIMATE.start_main_~x~4 404), 131142#(<= ULTIMATE.start_main_~x~4 414), 131143#(<= ULTIMATE.start_main_~x~4 416), 131140#(<= ULTIMATE.start_main_~x~4 410), 131141#(<= ULTIMATE.start_main_~x~4 412), 131146#(<= ULTIMATE.start_main_~x~4 422), 131147#(<= ULTIMATE.start_main_~x~4 424), 131144#(<= ULTIMATE.start_main_~x~4 418), 131145#(<= ULTIMATE.start_main_~x~4 420), 131150#(<= ULTIMATE.start_main_~x~4 430), 131151#(<= ULTIMATE.start_main_~x~4 432), 131148#(<= ULTIMATE.start_main_~x~4 426), 131149#(<= ULTIMATE.start_main_~x~4 428), 131154#(<= ULTIMATE.start_main_~x~4 438), 131155#(<= ULTIMATE.start_main_~x~4 440), 131152#(<= ULTIMATE.start_main_~x~4 434), 131153#(<= ULTIMATE.start_main_~x~4 436), 131158#(<= ULTIMATE.start_main_~x~4 446), 131159#(<= ULTIMATE.start_main_~x~4 448), 131156#(<= ULTIMATE.start_main_~x~4 442), 131157#(<= ULTIMATE.start_main_~x~4 444), 131162#(<= ULTIMATE.start_main_~x~4 454), 131163#(<= ULTIMATE.start_main_~x~4 456), 131160#(<= ULTIMATE.start_main_~x~4 450), 131161#(<= ULTIMATE.start_main_~x~4 452), 131164#(<= ULTIMATE.start_main_~x~4 458), 130939#false, 130938#true, 130941#(<= ULTIMATE.start_main_~x~4 12), 130940#(<= ULTIMATE.start_main_~x~4 10), 130943#(<= ULTIMATE.start_main_~x~4 16), 130942#(<= ULTIMATE.start_main_~x~4 14), 130945#(<= ULTIMATE.start_main_~x~4 20), 130944#(<= ULTIMATE.start_main_~x~4 18), 130947#(<= ULTIMATE.start_main_~x~4 24), 130946#(<= ULTIMATE.start_main_~x~4 22), 130949#(<= ULTIMATE.start_main_~x~4 28), 130948#(<= ULTIMATE.start_main_~x~4 26), 130951#(<= ULTIMATE.start_main_~x~4 32), 130950#(<= ULTIMATE.start_main_~x~4 30), 130953#(<= ULTIMATE.start_main_~x~4 36), 130952#(<= ULTIMATE.start_main_~x~4 34), 130955#(<= ULTIMATE.start_main_~x~4 40), 130954#(<= ULTIMATE.start_main_~x~4 38), 130957#(<= ULTIMATE.start_main_~x~4 44), 130956#(<= ULTIMATE.start_main_~x~4 42), 130959#(<= ULTIMATE.start_main_~x~4 48), 130958#(<= ULTIMATE.start_main_~x~4 46), 130961#(<= ULTIMATE.start_main_~x~4 52), 130960#(<= ULTIMATE.start_main_~x~4 50), 130963#(<= ULTIMATE.start_main_~x~4 56), 130962#(<= ULTIMATE.start_main_~x~4 54), 130965#(<= ULTIMATE.start_main_~x~4 60), 130964#(<= ULTIMATE.start_main_~x~4 58), 130967#(<= ULTIMATE.start_main_~x~4 64), 130966#(<= ULTIMATE.start_main_~x~4 62), 130969#(<= ULTIMATE.start_main_~x~4 68), 130968#(<= ULTIMATE.start_main_~x~4 66), 130971#(<= ULTIMATE.start_main_~x~4 72), 130970#(<= ULTIMATE.start_main_~x~4 70), 130973#(<= ULTIMATE.start_main_~x~4 76), 130972#(<= ULTIMATE.start_main_~x~4 74), 130975#(<= ULTIMATE.start_main_~x~4 80), 130974#(<= ULTIMATE.start_main_~x~4 78), 130977#(<= ULTIMATE.start_main_~x~4 84), 130976#(<= ULTIMATE.start_main_~x~4 82), 130979#(<= ULTIMATE.start_main_~x~4 88), 130978#(<= ULTIMATE.start_main_~x~4 86), 130981#(<= ULTIMATE.start_main_~x~4 92), 130980#(<= ULTIMATE.start_main_~x~4 90), 130983#(<= ULTIMATE.start_main_~x~4 96), 130982#(<= ULTIMATE.start_main_~x~4 94), 130985#(<= ULTIMATE.start_main_~x~4 100), 130984#(<= ULTIMATE.start_main_~x~4 98), 130987#(<= ULTIMATE.start_main_~x~4 104), 130986#(<= ULTIMATE.start_main_~x~4 102), 130989#(<= ULTIMATE.start_main_~x~4 108), 130988#(<= ULTIMATE.start_main_~x~4 106), 130991#(<= ULTIMATE.start_main_~x~4 112), 130990#(<= ULTIMATE.start_main_~x~4 110), 130993#(<= ULTIMATE.start_main_~x~4 116), 130992#(<= ULTIMATE.start_main_~x~4 114), 130995#(<= ULTIMATE.start_main_~x~4 120), 130994#(<= ULTIMATE.start_main_~x~4 118), 130997#(<= ULTIMATE.start_main_~x~4 124), 130996#(<= ULTIMATE.start_main_~x~4 122), 130999#(<= ULTIMATE.start_main_~x~4 128), 130998#(<= ULTIMATE.start_main_~x~4 126), 131001#(<= ULTIMATE.start_main_~x~4 132), 131000#(<= ULTIMATE.start_main_~x~4 130), 131003#(<= ULTIMATE.start_main_~x~4 136), 131002#(<= ULTIMATE.start_main_~x~4 134), 131005#(<= ULTIMATE.start_main_~x~4 140), 131004#(<= ULTIMATE.start_main_~x~4 138), 131007#(<= ULTIMATE.start_main_~x~4 144), 131006#(<= ULTIMATE.start_main_~x~4 142), 131009#(<= ULTIMATE.start_main_~x~4 148), 131008#(<= ULTIMATE.start_main_~x~4 146), 131011#(<= ULTIMATE.start_main_~x~4 152), 131010#(<= ULTIMATE.start_main_~x~4 150), 131013#(<= ULTIMATE.start_main_~x~4 156), 131012#(<= ULTIMATE.start_main_~x~4 154), 131015#(<= ULTIMATE.start_main_~x~4 160), 131014#(<= ULTIMATE.start_main_~x~4 158), 131017#(<= ULTIMATE.start_main_~x~4 164), 131016#(<= ULTIMATE.start_main_~x~4 162), 131019#(<= ULTIMATE.start_main_~x~4 168), 131018#(<= ULTIMATE.start_main_~x~4 166), 131021#(<= ULTIMATE.start_main_~x~4 172), 131020#(<= ULTIMATE.start_main_~x~4 170), 131023#(<= ULTIMATE.start_main_~x~4 176), 131022#(<= ULTIMATE.start_main_~x~4 174), 131025#(<= ULTIMATE.start_main_~x~4 180), 131024#(<= ULTIMATE.start_main_~x~4 178), 131027#(<= ULTIMATE.start_main_~x~4 184), 131026#(<= ULTIMATE.start_main_~x~4 182), 131029#(<= ULTIMATE.start_main_~x~4 188), 131028#(<= ULTIMATE.start_main_~x~4 186), 131031#(<= ULTIMATE.start_main_~x~4 192), 131030#(<= ULTIMATE.start_main_~x~4 190), 131033#(<= ULTIMATE.start_main_~x~4 196), 131032#(<= ULTIMATE.start_main_~x~4 194), 131035#(<= ULTIMATE.start_main_~x~4 200), 131034#(<= ULTIMATE.start_main_~x~4 198), 131037#(<= ULTIMATE.start_main_~x~4 204), 131036#(<= ULTIMATE.start_main_~x~4 202), 131039#(<= ULTIMATE.start_main_~x~4 208), 131038#(<= ULTIMATE.start_main_~x~4 206), 131041#(<= ULTIMATE.start_main_~x~4 212), 131040#(<= ULTIMATE.start_main_~x~4 210), 131043#(<= ULTIMATE.start_main_~x~4 216), 131042#(<= ULTIMATE.start_main_~x~4 214), 131045#(<= ULTIMATE.start_main_~x~4 220), 131044#(<= ULTIMATE.start_main_~x~4 218), 131047#(<= ULTIMATE.start_main_~x~4 224), 131046#(<= ULTIMATE.start_main_~x~4 222), 131049#(<= ULTIMATE.start_main_~x~4 228), 131048#(<= ULTIMATE.start_main_~x~4 226), 131051#(<= ULTIMATE.start_main_~x~4 232), 131050#(<= ULTIMATE.start_main_~x~4 230), 131053#(<= ULTIMATE.start_main_~x~4 236), 131052#(<= ULTIMATE.start_main_~x~4 234), 131055#(<= ULTIMATE.start_main_~x~4 240), 131054#(<= ULTIMATE.start_main_~x~4 238), 131057#(<= ULTIMATE.start_main_~x~4 244), 131056#(<= ULTIMATE.start_main_~x~4 242), 131059#(<= ULTIMATE.start_main_~x~4 248), 131058#(<= ULTIMATE.start_main_~x~4 246), 131061#(<= ULTIMATE.start_main_~x~4 252), 131060#(<= ULTIMATE.start_main_~x~4 250), 131063#(<= ULTIMATE.start_main_~x~4 256), 131062#(<= ULTIMATE.start_main_~x~4 254), 131065#(<= ULTIMATE.start_main_~x~4 260), 131064#(<= ULTIMATE.start_main_~x~4 258), 131067#(<= ULTIMATE.start_main_~x~4 264), 131066#(<= ULTIMATE.start_main_~x~4 262), 131069#(<= ULTIMATE.start_main_~x~4 268), 131068#(<= ULTIMATE.start_main_~x~4 266), 131071#(<= ULTIMATE.start_main_~x~4 272), 131070#(<= ULTIMATE.start_main_~x~4 270)] [2018-07-23 13:44:14,592 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 13:44:14,592 INFO L450 AbstractCegarLoop]: Interpolant automaton has 227 states [2018-07-23 13:44:14,595 INFO L132 InterpolantAutomaton]: Constructing interpolant automaton starting with 227 interpolants. [2018-07-23 13:44:14,597 INFO L133 InterpolantAutomaton]: CoverageRelationStatistics Valid=25651, Invalid=25651, Unknown=0, NotChecked=0, Total=51302 [2018-07-23 13:44:14,597 INFO L87 Difference]: Start difference. First operand 228 states and 228 transitions. Second operand 227 states. [2018-07-23 13:44:15,030 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2018-07-23 13:44:15,030 INFO L93 Difference]: Finished difference Result 231 states and 231 transitions. [2018-07-23 13:44:15,030 INFO L142 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 227 states. [2018-07-23 13:44:15,030 INFO L78 Accepts]: Start accepts. Automaton has 227 states. Word has length 227 [2018-07-23 13:44:15,030 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2018-07-23 13:44:15,031 INFO L225 Difference]: With dead ends: 231 [2018-07-23 13:44:15,031 INFO L226 Difference]: Without dead ends: 229 [2018-07-23 13:44:15,033 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 13:44:15,033 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 229 states. [2018-07-23 13:44:15,035 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 229 to 229. [2018-07-23 13:44:15,035 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 229 states. [2018-07-23 13:44:15,036 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 229 states to 229 states and 229 transitions. [2018-07-23 13:44:15,036 INFO L78 Accepts]: Start accepts. Automaton has 229 states and 229 transitions. Word has length 227 [2018-07-23 13:44:15,036 INFO L84 Accepts]: Finished accepts. word is rejected. [2018-07-23 13:44:15,036 INFO L471 AbstractCegarLoop]: Abstraction has 229 states and 229 transitions. [2018-07-23 13:44:15,036 INFO L472 AbstractCegarLoop]: Interpolant automaton has 227 states. [2018-07-23 13:44:15,036 INFO L276 IsEmpty]: Start isEmpty. Operand 229 states and 229 transitions. [2018-07-23 13:44:15,037 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 229 [2018-07-23 13:44:15,037 INFO L349 BasicCegarLoop]: Found error trace [2018-07-23 13:44:15,037 INFO L357 BasicCegarLoop]: trace histogram [225, 1, 1, 1] [2018-07-23 13:44:15,037 INFO L414 AbstractCegarLoop]: === Iteration 226 === [ULTIMATE.startErr0AssertViolationASSERT]=== [2018-07-23 13:44:15,037 INFO L82 PathProgramCache]: Analyzing trace with hash -1532786392, now seen corresponding path program 225 times [2018-07-23 13:44:15,037 INFO L69 tionRefinementEngine]: Using refinement strategy FixedRefinementStrategy [2018-07-23 13:44:15,054 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-07-23 13:44:16,157 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 13:44:16,157 INFO L309 seRefinementStrategy]: Constructing automaton from 0 perfect and 1 imperfect interpolant sequences. [2018-07-23 13:44:16,157 INFO L324 seRefinementStrategy]: Number of different interpolants: perfect sequences [] imperfect sequences [227] total 227 [2018-07-23 13:44:16,157 INFO L142 lantAutomatonBuilder]: Constructing canonical interpolant automaton, with selfloop in false state [2018-07-23 13:44:16,158 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 13:44:16,158 INFO L185 omatonBuilderFactory]: Interpolants [132098#(<= ULTIMATE.start_main_~x~4 32), 132099#(<= ULTIMATE.start_main_~x~4 34), 132096#(<= ULTIMATE.start_main_~x~4 28), 132097#(<= ULTIMATE.start_main_~x~4 30), 132102#(<= ULTIMATE.start_main_~x~4 40), 132103#(<= ULTIMATE.start_main_~x~4 42), 132100#(<= ULTIMATE.start_main_~x~4 36), 132101#(<= ULTIMATE.start_main_~x~4 38), 132106#(<= ULTIMATE.start_main_~x~4 48), 132107#(<= ULTIMATE.start_main_~x~4 50), 132104#(<= ULTIMATE.start_main_~x~4 44), 132105#(<= ULTIMATE.start_main_~x~4 46), 132110#(<= ULTIMATE.start_main_~x~4 56), 132111#(<= ULTIMATE.start_main_~x~4 58), 132108#(<= ULTIMATE.start_main_~x~4 52), 132109#(<= ULTIMATE.start_main_~x~4 54), 132114#(<= ULTIMATE.start_main_~x~4 64), 132115#(<= ULTIMATE.start_main_~x~4 66), 132112#(<= ULTIMATE.start_main_~x~4 60), 132113#(<= ULTIMATE.start_main_~x~4 62), 132118#(<= ULTIMATE.start_main_~x~4 72), 132119#(<= ULTIMATE.start_main_~x~4 74), 132116#(<= ULTIMATE.start_main_~x~4 68), 132117#(<= ULTIMATE.start_main_~x~4 70), 132122#(<= ULTIMATE.start_main_~x~4 80), 132123#(<= ULTIMATE.start_main_~x~4 82), 132120#(<= ULTIMATE.start_main_~x~4 76), 132121#(<= ULTIMATE.start_main_~x~4 78), 132126#(<= ULTIMATE.start_main_~x~4 88), 132127#(<= ULTIMATE.start_main_~x~4 90), 132124#(<= ULTIMATE.start_main_~x~4 84), 132125#(<= ULTIMATE.start_main_~x~4 86), 132130#(<= ULTIMATE.start_main_~x~4 96), 132131#(<= ULTIMATE.start_main_~x~4 98), 132128#(<= ULTIMATE.start_main_~x~4 92), 132129#(<= ULTIMATE.start_main_~x~4 94), 132134#(<= ULTIMATE.start_main_~x~4 104), 132135#(<= ULTIMATE.start_main_~x~4 106), 132132#(<= ULTIMATE.start_main_~x~4 100), 132133#(<= ULTIMATE.start_main_~x~4 102), 132138#(<= ULTIMATE.start_main_~x~4 112), 132139#(<= ULTIMATE.start_main_~x~4 114), 132136#(<= ULTIMATE.start_main_~x~4 108), 132137#(<= ULTIMATE.start_main_~x~4 110), 132142#(<= ULTIMATE.start_main_~x~4 120), 132143#(<= ULTIMATE.start_main_~x~4 122), 132140#(<= ULTIMATE.start_main_~x~4 116), 132141#(<= ULTIMATE.start_main_~x~4 118), 132146#(<= ULTIMATE.start_main_~x~4 128), 132147#(<= ULTIMATE.start_main_~x~4 130), 132144#(<= ULTIMATE.start_main_~x~4 124), 132145#(<= ULTIMATE.start_main_~x~4 126), 132150#(<= ULTIMATE.start_main_~x~4 136), 132151#(<= ULTIMATE.start_main_~x~4 138), 132148#(<= ULTIMATE.start_main_~x~4 132), 132149#(<= ULTIMATE.start_main_~x~4 134), 132154#(<= ULTIMATE.start_main_~x~4 144), 132155#(<= ULTIMATE.start_main_~x~4 146), 132152#(<= ULTIMATE.start_main_~x~4 140), 132153#(<= ULTIMATE.start_main_~x~4 142), 132158#(<= ULTIMATE.start_main_~x~4 152), 132159#(<= ULTIMATE.start_main_~x~4 154), 132156#(<= ULTIMATE.start_main_~x~4 148), 132157#(<= ULTIMATE.start_main_~x~4 150), 132162#(<= ULTIMATE.start_main_~x~4 160), 132163#(<= ULTIMATE.start_main_~x~4 162), 132160#(<= ULTIMATE.start_main_~x~4 156), 132161#(<= ULTIMATE.start_main_~x~4 158), 132166#(<= ULTIMATE.start_main_~x~4 168), 132167#(<= ULTIMATE.start_main_~x~4 170), 132164#(<= ULTIMATE.start_main_~x~4 164), 132165#(<= ULTIMATE.start_main_~x~4 166), 132170#(<= ULTIMATE.start_main_~x~4 176), 132171#(<= ULTIMATE.start_main_~x~4 178), 132168#(<= ULTIMATE.start_main_~x~4 172), 132169#(<= ULTIMATE.start_main_~x~4 174), 132174#(<= ULTIMATE.start_main_~x~4 184), 132175#(<= ULTIMATE.start_main_~x~4 186), 132172#(<= ULTIMATE.start_main_~x~4 180), 132173#(<= ULTIMATE.start_main_~x~4 182), 132178#(<= ULTIMATE.start_main_~x~4 192), 132179#(<= ULTIMATE.start_main_~x~4 194), 132176#(<= ULTIMATE.start_main_~x~4 188), 132177#(<= ULTIMATE.start_main_~x~4 190), 132182#(<= ULTIMATE.start_main_~x~4 200), 132183#(<= ULTIMATE.start_main_~x~4 202), 132180#(<= ULTIMATE.start_main_~x~4 196), 132181#(<= ULTIMATE.start_main_~x~4 198), 132186#(<= ULTIMATE.start_main_~x~4 208), 132187#(<= ULTIMATE.start_main_~x~4 210), 132184#(<= ULTIMATE.start_main_~x~4 204), 132185#(<= ULTIMATE.start_main_~x~4 206), 132190#(<= ULTIMATE.start_main_~x~4 216), 132191#(<= ULTIMATE.start_main_~x~4 218), 132188#(<= ULTIMATE.start_main_~x~4 212), 132189#(<= ULTIMATE.start_main_~x~4 214), 132194#(<= ULTIMATE.start_main_~x~4 224), 132195#(<= ULTIMATE.start_main_~x~4 226), 132192#(<= ULTIMATE.start_main_~x~4 220), 132193#(<= ULTIMATE.start_main_~x~4 222), 132198#(<= ULTIMATE.start_main_~x~4 232), 132199#(<= ULTIMATE.start_main_~x~4 234), 132196#(<= ULTIMATE.start_main_~x~4 228), 132197#(<= ULTIMATE.start_main_~x~4 230), 132202#(<= ULTIMATE.start_main_~x~4 240), 132203#(<= ULTIMATE.start_main_~x~4 242), 132200#(<= ULTIMATE.start_main_~x~4 236), 132201#(<= ULTIMATE.start_main_~x~4 238), 132206#(<= ULTIMATE.start_main_~x~4 248), 132207#(<= ULTIMATE.start_main_~x~4 250), 132204#(<= ULTIMATE.start_main_~x~4 244), 132205#(<= ULTIMATE.start_main_~x~4 246), 132210#(<= ULTIMATE.start_main_~x~4 256), 132211#(<= ULTIMATE.start_main_~x~4 258), 132208#(<= ULTIMATE.start_main_~x~4 252), 132209#(<= ULTIMATE.start_main_~x~4 254), 132214#(<= ULTIMATE.start_main_~x~4 264), 132215#(<= ULTIMATE.start_main_~x~4 266), 132212#(<= ULTIMATE.start_main_~x~4 260), 132213#(<= ULTIMATE.start_main_~x~4 262), 132218#(<= ULTIMATE.start_main_~x~4 272), 132219#(<= ULTIMATE.start_main_~x~4 274), 132216#(<= ULTIMATE.start_main_~x~4 268), 132217#(<= ULTIMATE.start_main_~x~4 270), 132222#(<= ULTIMATE.start_main_~x~4 280), 132223#(<= ULTIMATE.start_main_~x~4 282), 132220#(<= ULTIMATE.start_main_~x~4 276), 132221#(<= ULTIMATE.start_main_~x~4 278), 132226#(<= ULTIMATE.start_main_~x~4 288), 132227#(<= ULTIMATE.start_main_~x~4 290), 132224#(<= ULTIMATE.start_main_~x~4 284), 132225#(<= ULTIMATE.start_main_~x~4 286), 132230#(<= ULTIMATE.start_main_~x~4 296), 132231#(<= ULTIMATE.start_main_~x~4 298), 132228#(<= ULTIMATE.start_main_~x~4 292), 132229#(<= ULTIMATE.start_main_~x~4 294), 132234#(<= ULTIMATE.start_main_~x~4 304), 132235#(<= ULTIMATE.start_main_~x~4 306), 132232#(<= ULTIMATE.start_main_~x~4 300), 132233#(<= ULTIMATE.start_main_~x~4 302), 132238#(<= ULTIMATE.start_main_~x~4 312), 132239#(<= ULTIMATE.start_main_~x~4 314), 132236#(<= ULTIMATE.start_main_~x~4 308), 132237#(<= ULTIMATE.start_main_~x~4 310), 132242#(<= ULTIMATE.start_main_~x~4 320), 132243#(<= ULTIMATE.start_main_~x~4 322), 132240#(<= ULTIMATE.start_main_~x~4 316), 132241#(<= ULTIMATE.start_main_~x~4 318), 132246#(<= ULTIMATE.start_main_~x~4 328), 132247#(<= ULTIMATE.start_main_~x~4 330), 132244#(<= ULTIMATE.start_main_~x~4 324), 132245#(<= ULTIMATE.start_main_~x~4 326), 132250#(<= ULTIMATE.start_main_~x~4 336), 132251#(<= ULTIMATE.start_main_~x~4 338), 132248#(<= ULTIMATE.start_main_~x~4 332), 132249#(<= ULTIMATE.start_main_~x~4 334), 132254#(<= ULTIMATE.start_main_~x~4 344), 132255#(<= ULTIMATE.start_main_~x~4 346), 132252#(<= ULTIMATE.start_main_~x~4 340), 132253#(<= ULTIMATE.start_main_~x~4 342), 132258#(<= ULTIMATE.start_main_~x~4 352), 132259#(<= ULTIMATE.start_main_~x~4 354), 132256#(<= ULTIMATE.start_main_~x~4 348), 132257#(<= ULTIMATE.start_main_~x~4 350), 132262#(<= ULTIMATE.start_main_~x~4 360), 132263#(<= ULTIMATE.start_main_~x~4 362), 132260#(<= ULTIMATE.start_main_~x~4 356), 132261#(<= ULTIMATE.start_main_~x~4 358), 132266#(<= ULTIMATE.start_main_~x~4 368), 132267#(<= ULTIMATE.start_main_~x~4 370), 132264#(<= ULTIMATE.start_main_~x~4 364), 132265#(<= ULTIMATE.start_main_~x~4 366), 132270#(<= ULTIMATE.start_main_~x~4 376), 132271#(<= ULTIMATE.start_main_~x~4 378), 132268#(<= ULTIMATE.start_main_~x~4 372), 132269#(<= ULTIMATE.start_main_~x~4 374), 132274#(<= ULTIMATE.start_main_~x~4 384), 132275#(<= ULTIMATE.start_main_~x~4 386), 132272#(<= ULTIMATE.start_main_~x~4 380), 132273#(<= ULTIMATE.start_main_~x~4 382), 132278#(<= ULTIMATE.start_main_~x~4 392), 132279#(<= ULTIMATE.start_main_~x~4 394), 132276#(<= ULTIMATE.start_main_~x~4 388), 132277#(<= ULTIMATE.start_main_~x~4 390), 132282#(<= ULTIMATE.start_main_~x~4 400), 132283#(<= ULTIMATE.start_main_~x~4 402), 132280#(<= ULTIMATE.start_main_~x~4 396), 132281#(<= ULTIMATE.start_main_~x~4 398), 132286#(<= ULTIMATE.start_main_~x~4 408), 132287#(<= ULTIMATE.start_main_~x~4 410), 132284#(<= ULTIMATE.start_main_~x~4 404), 132285#(<= ULTIMATE.start_main_~x~4 406), 132290#(<= ULTIMATE.start_main_~x~4 416), 132291#(<= ULTIMATE.start_main_~x~4 418), 132288#(<= ULTIMATE.start_main_~x~4 412), 132289#(<= ULTIMATE.start_main_~x~4 414), 132294#(<= ULTIMATE.start_main_~x~4 424), 132295#(<= ULTIMATE.start_main_~x~4 426), 132292#(<= ULTIMATE.start_main_~x~4 420), 132293#(<= ULTIMATE.start_main_~x~4 422), 132298#(<= ULTIMATE.start_main_~x~4 432), 132299#(<= ULTIMATE.start_main_~x~4 434), 132296#(<= ULTIMATE.start_main_~x~4 428), 132297#(<= ULTIMATE.start_main_~x~4 430), 132302#(<= ULTIMATE.start_main_~x~4 440), 132303#(<= ULTIMATE.start_main_~x~4 442), 132300#(<= ULTIMATE.start_main_~x~4 436), 132301#(<= ULTIMATE.start_main_~x~4 438), 132306#(<= ULTIMATE.start_main_~x~4 448), 132307#(<= ULTIMATE.start_main_~x~4 450), 132304#(<= ULTIMATE.start_main_~x~4 444), 132305#(<= ULTIMATE.start_main_~x~4 446), 132310#(<= ULTIMATE.start_main_~x~4 456), 132311#(<= ULTIMATE.start_main_~x~4 458), 132308#(<= ULTIMATE.start_main_~x~4 452), 132309#(<= ULTIMATE.start_main_~x~4 454), 132312#(<= ULTIMATE.start_main_~x~4 460), 132086#false, 132087#(<= ULTIMATE.start_main_~x~4 10), 132085#true, 132090#(<= ULTIMATE.start_main_~x~4 16), 132091#(<= ULTIMATE.start_main_~x~4 18), 132088#(<= ULTIMATE.start_main_~x~4 12), 132089#(<= ULTIMATE.start_main_~x~4 14), 132094#(<= ULTIMATE.start_main_~x~4 24), 132095#(<= ULTIMATE.start_main_~x~4 26), 132092#(<= ULTIMATE.start_main_~x~4 20), 132093#(<= ULTIMATE.start_main_~x~4 22)] [2018-07-23 13:44:16,160 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 13:44:16,160 INFO L450 AbstractCegarLoop]: Interpolant automaton has 228 states [2018-07-23 13:44:16,164 INFO L132 InterpolantAutomaton]: Constructing interpolant automaton starting with 228 interpolants. [2018-07-23 13:44:16,167 INFO L133 InterpolantAutomaton]: CoverageRelationStatistics Valid=25878, Invalid=25878, Unknown=0, NotChecked=0, Total=51756 [2018-07-23 13:44:16,168 INFO L87 Difference]: Start difference. First operand 229 states and 229 transitions. Second operand 228 states. [2018-07-23 13:44:17,827 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2018-07-23 13:44:17,827 INFO L93 Difference]: Finished difference Result 232 states and 232 transitions. [2018-07-23 13:44:17,827 INFO L142 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 228 states. [2018-07-23 13:44:17,828 INFO L78 Accepts]: Start accepts. Automaton has 228 states. Word has length 228 [2018-07-23 13:44:17,828 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2018-07-23 13:44:17,828 INFO L225 Difference]: With dead ends: 232 [2018-07-23 13:44:17,828 INFO L226 Difference]: Without dead ends: 230 [2018-07-23 13:44:17,832 INFO L575 BasicCegarLoop]: 0 DeclaredPredicates, 227 GetRequests, 1 SyntacticMatches, 0 SemanticMatches, 226 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 0 ImplicationChecksByTransitivity, 1.0s TimeCoverageRelationStatistics Valid=25878, Invalid=25878, Unknown=0, NotChecked=0, Total=51756 [2018-07-23 13:44:17,832 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 230 states. [2018-07-23 13:44:17,834 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 230 to 230. [2018-07-23 13:44:17,834 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 230 states. [2018-07-23 13:44:17,834 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 230 states to 230 states and 230 transitions. [2018-07-23 13:44:17,834 INFO L78 Accepts]: Start accepts. Automaton has 230 states and 230 transitions. Word has length 228 [2018-07-23 13:44:17,834 INFO L84 Accepts]: Finished accepts. word is rejected. [2018-07-23 13:44:17,834 INFO L471 AbstractCegarLoop]: Abstraction has 230 states and 230 transitions. [2018-07-23 13:44:17,835 INFO L472 AbstractCegarLoop]: Interpolant automaton has 228 states. [2018-07-23 13:44:17,835 INFO L276 IsEmpty]: Start isEmpty. Operand 230 states and 230 transitions. [2018-07-23 13:44:17,835 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 230 [2018-07-23 13:44:17,835 INFO L349 BasicCegarLoop]: Found error trace [2018-07-23 13:44:17,835 INFO L357 BasicCegarLoop]: trace histogram [226, 1, 1, 1] [2018-07-23 13:44:17,835 INFO L414 AbstractCegarLoop]: === Iteration 227 === [ULTIMATE.startErr0AssertViolationASSERT]=== [2018-07-23 13:44:17,835 INFO L82 PathProgramCache]: Analyzing trace with hash -271739871, now seen corresponding path program 226 times [2018-07-23 13:44:17,836 INFO L69 tionRefinementEngine]: Using refinement strategy FixedRefinementStrategy [2018-07-23 13:44:17,854 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-07-23 13:44:18,956 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 13:44:18,956 INFO L309 seRefinementStrategy]: Constructing automaton from 0 perfect and 1 imperfect interpolant sequences. [2018-07-23 13:44:18,956 INFO L324 seRefinementStrategy]: Number of different interpolants: perfect sequences [] imperfect sequences [228] total 228 [2018-07-23 13:44:18,956 INFO L142 lantAutomatonBuilder]: Constructing canonical interpolant automaton, with selfloop in false state [2018-07-23 13:44:18,956 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 13:44:18,957 INFO L185 omatonBuilderFactory]: Interpolants [133238#false, 133239#(<= ULTIMATE.start_main_~x~4 10), 133237#true, 133242#(<= ULTIMATE.start_main_~x~4 16), 133243#(<= ULTIMATE.start_main_~x~4 18), 133240#(<= ULTIMATE.start_main_~x~4 12), 133241#(<= ULTIMATE.start_main_~x~4 14), 133246#(<= ULTIMATE.start_main_~x~4 24), 133247#(<= ULTIMATE.start_main_~x~4 26), 133244#(<= ULTIMATE.start_main_~x~4 20), 133245#(<= ULTIMATE.start_main_~x~4 22), 133250#(<= ULTIMATE.start_main_~x~4 32), 133251#(<= ULTIMATE.start_main_~x~4 34), 133248#(<= ULTIMATE.start_main_~x~4 28), 133249#(<= ULTIMATE.start_main_~x~4 30), 133254#(<= ULTIMATE.start_main_~x~4 40), 133255#(<= ULTIMATE.start_main_~x~4 42), 133252#(<= ULTIMATE.start_main_~x~4 36), 133253#(<= ULTIMATE.start_main_~x~4 38), 133258#(<= ULTIMATE.start_main_~x~4 48), 133259#(<= ULTIMATE.start_main_~x~4 50), 133256#(<= ULTIMATE.start_main_~x~4 44), 133257#(<= ULTIMATE.start_main_~x~4 46), 133262#(<= ULTIMATE.start_main_~x~4 56), 133263#(<= ULTIMATE.start_main_~x~4 58), 133260#(<= ULTIMATE.start_main_~x~4 52), 133261#(<= ULTIMATE.start_main_~x~4 54), 133266#(<= ULTIMATE.start_main_~x~4 64), 133267#(<= ULTIMATE.start_main_~x~4 66), 133264#(<= ULTIMATE.start_main_~x~4 60), 133265#(<= ULTIMATE.start_main_~x~4 62), 133270#(<= ULTIMATE.start_main_~x~4 72), 133271#(<= ULTIMATE.start_main_~x~4 74), 133268#(<= ULTIMATE.start_main_~x~4 68), 133269#(<= ULTIMATE.start_main_~x~4 70), 133274#(<= ULTIMATE.start_main_~x~4 80), 133275#(<= ULTIMATE.start_main_~x~4 82), 133272#(<= ULTIMATE.start_main_~x~4 76), 133273#(<= ULTIMATE.start_main_~x~4 78), 133278#(<= ULTIMATE.start_main_~x~4 88), 133279#(<= ULTIMATE.start_main_~x~4 90), 133276#(<= ULTIMATE.start_main_~x~4 84), 133277#(<= ULTIMATE.start_main_~x~4 86), 133282#(<= ULTIMATE.start_main_~x~4 96), 133283#(<= ULTIMATE.start_main_~x~4 98), 133280#(<= ULTIMATE.start_main_~x~4 92), 133281#(<= ULTIMATE.start_main_~x~4 94), 133286#(<= ULTIMATE.start_main_~x~4 104), 133287#(<= ULTIMATE.start_main_~x~4 106), 133284#(<= ULTIMATE.start_main_~x~4 100), 133285#(<= ULTIMATE.start_main_~x~4 102), 133290#(<= ULTIMATE.start_main_~x~4 112), 133291#(<= ULTIMATE.start_main_~x~4 114), 133288#(<= ULTIMATE.start_main_~x~4 108), 133289#(<= ULTIMATE.start_main_~x~4 110), 133294#(<= ULTIMATE.start_main_~x~4 120), 133295#(<= ULTIMATE.start_main_~x~4 122), 133292#(<= ULTIMATE.start_main_~x~4 116), 133293#(<= ULTIMATE.start_main_~x~4 118), 133298#(<= ULTIMATE.start_main_~x~4 128), 133299#(<= ULTIMATE.start_main_~x~4 130), 133296#(<= ULTIMATE.start_main_~x~4 124), 133297#(<= ULTIMATE.start_main_~x~4 126), 133302#(<= ULTIMATE.start_main_~x~4 136), 133303#(<= ULTIMATE.start_main_~x~4 138), 133300#(<= ULTIMATE.start_main_~x~4 132), 133301#(<= ULTIMATE.start_main_~x~4 134), 133306#(<= ULTIMATE.start_main_~x~4 144), 133307#(<= ULTIMATE.start_main_~x~4 146), 133304#(<= ULTIMATE.start_main_~x~4 140), 133305#(<= ULTIMATE.start_main_~x~4 142), 133310#(<= ULTIMATE.start_main_~x~4 152), 133311#(<= ULTIMATE.start_main_~x~4 154), 133308#(<= ULTIMATE.start_main_~x~4 148), 133309#(<= ULTIMATE.start_main_~x~4 150), 133314#(<= ULTIMATE.start_main_~x~4 160), 133315#(<= ULTIMATE.start_main_~x~4 162), 133312#(<= ULTIMATE.start_main_~x~4 156), 133313#(<= ULTIMATE.start_main_~x~4 158), 133318#(<= ULTIMATE.start_main_~x~4 168), 133319#(<= ULTIMATE.start_main_~x~4 170), 133316#(<= ULTIMATE.start_main_~x~4 164), 133317#(<= ULTIMATE.start_main_~x~4 166), 133322#(<= ULTIMATE.start_main_~x~4 176), 133323#(<= ULTIMATE.start_main_~x~4 178), 133320#(<= ULTIMATE.start_main_~x~4 172), 133321#(<= ULTIMATE.start_main_~x~4 174), 133326#(<= ULTIMATE.start_main_~x~4 184), 133327#(<= ULTIMATE.start_main_~x~4 186), 133324#(<= ULTIMATE.start_main_~x~4 180), 133325#(<= ULTIMATE.start_main_~x~4 182), 133330#(<= ULTIMATE.start_main_~x~4 192), 133331#(<= ULTIMATE.start_main_~x~4 194), 133328#(<= ULTIMATE.start_main_~x~4 188), 133329#(<= ULTIMATE.start_main_~x~4 190), 133334#(<= ULTIMATE.start_main_~x~4 200), 133335#(<= ULTIMATE.start_main_~x~4 202), 133332#(<= ULTIMATE.start_main_~x~4 196), 133333#(<= ULTIMATE.start_main_~x~4 198), 133338#(<= ULTIMATE.start_main_~x~4 208), 133339#(<= ULTIMATE.start_main_~x~4 210), 133336#(<= ULTIMATE.start_main_~x~4 204), 133337#(<= ULTIMATE.start_main_~x~4 206), 133342#(<= ULTIMATE.start_main_~x~4 216), 133343#(<= ULTIMATE.start_main_~x~4 218), 133340#(<= ULTIMATE.start_main_~x~4 212), 133341#(<= ULTIMATE.start_main_~x~4 214), 133346#(<= ULTIMATE.start_main_~x~4 224), 133347#(<= ULTIMATE.start_main_~x~4 226), 133344#(<= ULTIMATE.start_main_~x~4 220), 133345#(<= ULTIMATE.start_main_~x~4 222), 133350#(<= ULTIMATE.start_main_~x~4 232), 133351#(<= ULTIMATE.start_main_~x~4 234), 133348#(<= ULTIMATE.start_main_~x~4 228), 133349#(<= ULTIMATE.start_main_~x~4 230), 133354#(<= ULTIMATE.start_main_~x~4 240), 133355#(<= ULTIMATE.start_main_~x~4 242), 133352#(<= ULTIMATE.start_main_~x~4 236), 133353#(<= ULTIMATE.start_main_~x~4 238), 133358#(<= ULTIMATE.start_main_~x~4 248), 133359#(<= ULTIMATE.start_main_~x~4 250), 133356#(<= ULTIMATE.start_main_~x~4 244), 133357#(<= ULTIMATE.start_main_~x~4 246), 133362#(<= ULTIMATE.start_main_~x~4 256), 133363#(<= ULTIMATE.start_main_~x~4 258), 133360#(<= ULTIMATE.start_main_~x~4 252), 133361#(<= ULTIMATE.start_main_~x~4 254), 133366#(<= ULTIMATE.start_main_~x~4 264), 133367#(<= ULTIMATE.start_main_~x~4 266), 133364#(<= ULTIMATE.start_main_~x~4 260), 133365#(<= ULTIMATE.start_main_~x~4 262), 133370#(<= ULTIMATE.start_main_~x~4 272), 133371#(<= ULTIMATE.start_main_~x~4 274), 133368#(<= ULTIMATE.start_main_~x~4 268), 133369#(<= ULTIMATE.start_main_~x~4 270), 133374#(<= ULTIMATE.start_main_~x~4 280), 133375#(<= ULTIMATE.start_main_~x~4 282), 133372#(<= ULTIMATE.start_main_~x~4 276), 133373#(<= ULTIMATE.start_main_~x~4 278), 133378#(<= ULTIMATE.start_main_~x~4 288), 133379#(<= ULTIMATE.start_main_~x~4 290), 133376#(<= ULTIMATE.start_main_~x~4 284), 133377#(<= ULTIMATE.start_main_~x~4 286), 133382#(<= ULTIMATE.start_main_~x~4 296), 133383#(<= ULTIMATE.start_main_~x~4 298), 133380#(<= ULTIMATE.start_main_~x~4 292), 133381#(<= ULTIMATE.start_main_~x~4 294), 133386#(<= ULTIMATE.start_main_~x~4 304), 133387#(<= ULTIMATE.start_main_~x~4 306), 133384#(<= ULTIMATE.start_main_~x~4 300), 133385#(<= ULTIMATE.start_main_~x~4 302), 133390#(<= ULTIMATE.start_main_~x~4 312), 133391#(<= ULTIMATE.start_main_~x~4 314), 133388#(<= ULTIMATE.start_main_~x~4 308), 133389#(<= ULTIMATE.start_main_~x~4 310), 133394#(<= ULTIMATE.start_main_~x~4 320), 133395#(<= ULTIMATE.start_main_~x~4 322), 133392#(<= ULTIMATE.start_main_~x~4 316), 133393#(<= ULTIMATE.start_main_~x~4 318), 133398#(<= ULTIMATE.start_main_~x~4 328), 133399#(<= ULTIMATE.start_main_~x~4 330), 133396#(<= ULTIMATE.start_main_~x~4 324), 133397#(<= ULTIMATE.start_main_~x~4 326), 133402#(<= ULTIMATE.start_main_~x~4 336), 133403#(<= ULTIMATE.start_main_~x~4 338), 133400#(<= ULTIMATE.start_main_~x~4 332), 133401#(<= ULTIMATE.start_main_~x~4 334), 133406#(<= ULTIMATE.start_main_~x~4 344), 133407#(<= ULTIMATE.start_main_~x~4 346), 133404#(<= ULTIMATE.start_main_~x~4 340), 133405#(<= ULTIMATE.start_main_~x~4 342), 133410#(<= ULTIMATE.start_main_~x~4 352), 133411#(<= ULTIMATE.start_main_~x~4 354), 133408#(<= ULTIMATE.start_main_~x~4 348), 133409#(<= ULTIMATE.start_main_~x~4 350), 133414#(<= ULTIMATE.start_main_~x~4 360), 133415#(<= ULTIMATE.start_main_~x~4 362), 133412#(<= ULTIMATE.start_main_~x~4 356), 133413#(<= ULTIMATE.start_main_~x~4 358), 133418#(<= ULTIMATE.start_main_~x~4 368), 133419#(<= ULTIMATE.start_main_~x~4 370), 133416#(<= ULTIMATE.start_main_~x~4 364), 133417#(<= ULTIMATE.start_main_~x~4 366), 133422#(<= ULTIMATE.start_main_~x~4 376), 133423#(<= ULTIMATE.start_main_~x~4 378), 133420#(<= ULTIMATE.start_main_~x~4 372), 133421#(<= ULTIMATE.start_main_~x~4 374), 133426#(<= ULTIMATE.start_main_~x~4 384), 133427#(<= ULTIMATE.start_main_~x~4 386), 133424#(<= ULTIMATE.start_main_~x~4 380), 133425#(<= ULTIMATE.start_main_~x~4 382), 133430#(<= ULTIMATE.start_main_~x~4 392), 133431#(<= ULTIMATE.start_main_~x~4 394), 133428#(<= ULTIMATE.start_main_~x~4 388), 133429#(<= ULTIMATE.start_main_~x~4 390), 133434#(<= ULTIMATE.start_main_~x~4 400), 133435#(<= ULTIMATE.start_main_~x~4 402), 133432#(<= ULTIMATE.start_main_~x~4 396), 133433#(<= ULTIMATE.start_main_~x~4 398), 133438#(<= ULTIMATE.start_main_~x~4 408), 133439#(<= ULTIMATE.start_main_~x~4 410), 133436#(<= ULTIMATE.start_main_~x~4 404), 133437#(<= ULTIMATE.start_main_~x~4 406), 133442#(<= ULTIMATE.start_main_~x~4 416), 133443#(<= ULTIMATE.start_main_~x~4 418), 133440#(<= ULTIMATE.start_main_~x~4 412), 133441#(<= ULTIMATE.start_main_~x~4 414), 133446#(<= ULTIMATE.start_main_~x~4 424), 133447#(<= ULTIMATE.start_main_~x~4 426), 133444#(<= ULTIMATE.start_main_~x~4 420), 133445#(<= ULTIMATE.start_main_~x~4 422), 133450#(<= ULTIMATE.start_main_~x~4 432), 133451#(<= ULTIMATE.start_main_~x~4 434), 133448#(<= ULTIMATE.start_main_~x~4 428), 133449#(<= ULTIMATE.start_main_~x~4 430), 133454#(<= ULTIMATE.start_main_~x~4 440), 133455#(<= ULTIMATE.start_main_~x~4 442), 133452#(<= ULTIMATE.start_main_~x~4 436), 133453#(<= ULTIMATE.start_main_~x~4 438), 133458#(<= ULTIMATE.start_main_~x~4 448), 133459#(<= ULTIMATE.start_main_~x~4 450), 133456#(<= ULTIMATE.start_main_~x~4 444), 133457#(<= ULTIMATE.start_main_~x~4 446), 133462#(<= ULTIMATE.start_main_~x~4 456), 133463#(<= ULTIMATE.start_main_~x~4 458), 133460#(<= ULTIMATE.start_main_~x~4 452), 133461#(<= ULTIMATE.start_main_~x~4 454), 133464#(<= ULTIMATE.start_main_~x~4 460), 133465#(<= ULTIMATE.start_main_~x~4 462)] [2018-07-23 13:44:18,958 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 13:44:18,958 INFO L450 AbstractCegarLoop]: Interpolant automaton has 229 states [2018-07-23 13:44:18,960 INFO L132 InterpolantAutomaton]: Constructing interpolant automaton starting with 229 interpolants. [2018-07-23 13:44:18,961 INFO L133 InterpolantAutomaton]: CoverageRelationStatistics Valid=26106, Invalid=26106, Unknown=0, NotChecked=0, Total=52212 [2018-07-23 13:44:18,961 INFO L87 Difference]: Start difference. First operand 230 states and 230 transitions. Second operand 229 states. [2018-07-23 13:44:19,961 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2018-07-23 13:44:19,961 INFO L93 Difference]: Finished difference Result 233 states and 233 transitions. [2018-07-23 13:44:19,961 INFO L142 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 229 states. [2018-07-23 13:44:19,961 INFO L78 Accepts]: Start accepts. Automaton has 229 states. Word has length 229 [2018-07-23 13:44:19,962 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2018-07-23 13:44:19,962 INFO L225 Difference]: With dead ends: 233 [2018-07-23 13:44:19,962 INFO L226 Difference]: Without dead ends: 231 [2018-07-23 13:44:19,964 INFO L575 BasicCegarLoop]: 0 DeclaredPredicates, 228 GetRequests, 1 SyntacticMatches, 0 SemanticMatches, 227 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 0 ImplicationChecksByTransitivity, 1.0s TimeCoverageRelationStatistics Valid=26106, Invalid=26106, Unknown=0, NotChecked=0, Total=52212 [2018-07-23 13:44:19,964 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 231 states. [2018-07-23 13:44:19,966 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 231 to 231. [2018-07-23 13:44:19,966 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 231 states. [2018-07-23 13:44:19,966 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 231 states to 231 states and 231 transitions. [2018-07-23 13:44:19,966 INFO L78 Accepts]: Start accepts. Automaton has 231 states and 231 transitions. Word has length 229 [2018-07-23 13:44:19,967 INFO L84 Accepts]: Finished accepts. word is rejected. [2018-07-23 13:44:19,967 INFO L471 AbstractCegarLoop]: Abstraction has 231 states and 231 transitions. [2018-07-23 13:44:19,967 INFO L472 AbstractCegarLoop]: Interpolant automaton has 229 states. [2018-07-23 13:44:19,967 INFO L276 IsEmpty]: Start isEmpty. Operand 231 states and 231 transitions. [2018-07-23 13:44:19,967 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 231 [2018-07-23 13:44:19,967 INFO L349 BasicCegarLoop]: Found error trace [2018-07-23 13:44:19,967 INFO L357 BasicCegarLoop]: trace histogram [227, 1, 1, 1] [2018-07-23 13:44:19,968 INFO L414 AbstractCegarLoop]: === Iteration 228 === [ULTIMATE.startErr0AssertViolationASSERT]=== [2018-07-23 13:44:19,968 INFO L82 PathProgramCache]: Analyzing trace with hash 165996616, now seen corresponding path program 227 times [2018-07-23 13:44:19,968 INFO L69 tionRefinementEngine]: Using refinement strategy FixedRefinementStrategy [2018-07-23 13:44:19,985 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-07-23 13:44:21,059 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 13:44:21,060 INFO L309 seRefinementStrategy]: Constructing automaton from 0 perfect and 1 imperfect interpolant sequences. [2018-07-23 13:44:21,060 INFO L324 seRefinementStrategy]: Number of different interpolants: perfect sequences [] imperfect sequences [229] total 229 [2018-07-23 13:44:21,060 INFO L142 lantAutomatonBuilder]: Constructing canonical interpolant automaton, with selfloop in false state [2018-07-23 13:44:21,060 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2018-07-23 13:44:21,061 INFO L185 omatonBuilderFactory]: Interpolants [134394#true, 134395#false, 134398#(<= ULTIMATE.start_main_~x~4 14), 134399#(<= ULTIMATE.start_main_~x~4 16), 134396#(<= ULTIMATE.start_main_~x~4 10), 134397#(<= ULTIMATE.start_main_~x~4 12), 134402#(<= ULTIMATE.start_main_~x~4 22), 134403#(<= ULTIMATE.start_main_~x~4 24), 134400#(<= ULTIMATE.start_main_~x~4 18), 134401#(<= ULTIMATE.start_main_~x~4 20), 134406#(<= ULTIMATE.start_main_~x~4 30), 134407#(<= ULTIMATE.start_main_~x~4 32), 134404#(<= ULTIMATE.start_main_~x~4 26), 134405#(<= ULTIMATE.start_main_~x~4 28), 134410#(<= ULTIMATE.start_main_~x~4 38), 134411#(<= ULTIMATE.start_main_~x~4 40), 134408#(<= ULTIMATE.start_main_~x~4 34), 134409#(<= ULTIMATE.start_main_~x~4 36), 134414#(<= ULTIMATE.start_main_~x~4 46), 134415#(<= ULTIMATE.start_main_~x~4 48), 134412#(<= ULTIMATE.start_main_~x~4 42), 134413#(<= ULTIMATE.start_main_~x~4 44), 134418#(<= ULTIMATE.start_main_~x~4 54), 134419#(<= ULTIMATE.start_main_~x~4 56), 134416#(<= ULTIMATE.start_main_~x~4 50), 134417#(<= ULTIMATE.start_main_~x~4 52), 134422#(<= ULTIMATE.start_main_~x~4 62), 134423#(<= ULTIMATE.start_main_~x~4 64), 134420#(<= ULTIMATE.start_main_~x~4 58), 134421#(<= ULTIMATE.start_main_~x~4 60), 134426#(<= ULTIMATE.start_main_~x~4 70), 134427#(<= ULTIMATE.start_main_~x~4 72), 134424#(<= ULTIMATE.start_main_~x~4 66), 134425#(<= ULTIMATE.start_main_~x~4 68), 134430#(<= ULTIMATE.start_main_~x~4 78), 134431#(<= ULTIMATE.start_main_~x~4 80), 134428#(<= ULTIMATE.start_main_~x~4 74), 134429#(<= ULTIMATE.start_main_~x~4 76), 134434#(<= ULTIMATE.start_main_~x~4 86), 134435#(<= ULTIMATE.start_main_~x~4 88), 134432#(<= ULTIMATE.start_main_~x~4 82), 134433#(<= ULTIMATE.start_main_~x~4 84), 134438#(<= ULTIMATE.start_main_~x~4 94), 134439#(<= ULTIMATE.start_main_~x~4 96), 134436#(<= ULTIMATE.start_main_~x~4 90), 134437#(<= ULTIMATE.start_main_~x~4 92), 134442#(<= ULTIMATE.start_main_~x~4 102), 134443#(<= ULTIMATE.start_main_~x~4 104), 134440#(<= ULTIMATE.start_main_~x~4 98), 134441#(<= ULTIMATE.start_main_~x~4 100), 134446#(<= ULTIMATE.start_main_~x~4 110), 134447#(<= ULTIMATE.start_main_~x~4 112), 134444#(<= ULTIMATE.start_main_~x~4 106), 134445#(<= ULTIMATE.start_main_~x~4 108), 134450#(<= ULTIMATE.start_main_~x~4 118), 134451#(<= ULTIMATE.start_main_~x~4 120), 134448#(<= ULTIMATE.start_main_~x~4 114), 134449#(<= ULTIMATE.start_main_~x~4 116), 134454#(<= ULTIMATE.start_main_~x~4 126), 134455#(<= ULTIMATE.start_main_~x~4 128), 134452#(<= ULTIMATE.start_main_~x~4 122), 134453#(<= ULTIMATE.start_main_~x~4 124), 134458#(<= ULTIMATE.start_main_~x~4 134), 134459#(<= ULTIMATE.start_main_~x~4 136), 134456#(<= ULTIMATE.start_main_~x~4 130), 134457#(<= ULTIMATE.start_main_~x~4 132), 134462#(<= ULTIMATE.start_main_~x~4 142), 134463#(<= ULTIMATE.start_main_~x~4 144), 134460#(<= ULTIMATE.start_main_~x~4 138), 134461#(<= ULTIMATE.start_main_~x~4 140), 134466#(<= ULTIMATE.start_main_~x~4 150), 134467#(<= ULTIMATE.start_main_~x~4 152), 134464#(<= ULTIMATE.start_main_~x~4 146), 134465#(<= ULTIMATE.start_main_~x~4 148), 134470#(<= ULTIMATE.start_main_~x~4 158), 134471#(<= ULTIMATE.start_main_~x~4 160), 134468#(<= ULTIMATE.start_main_~x~4 154), 134469#(<= ULTIMATE.start_main_~x~4 156), 134474#(<= ULTIMATE.start_main_~x~4 166), 134475#(<= ULTIMATE.start_main_~x~4 168), 134472#(<= ULTIMATE.start_main_~x~4 162), 134473#(<= ULTIMATE.start_main_~x~4 164), 134478#(<= ULTIMATE.start_main_~x~4 174), 134479#(<= ULTIMATE.start_main_~x~4 176), 134476#(<= ULTIMATE.start_main_~x~4 170), 134477#(<= ULTIMATE.start_main_~x~4 172), 134482#(<= ULTIMATE.start_main_~x~4 182), 134483#(<= ULTIMATE.start_main_~x~4 184), 134480#(<= ULTIMATE.start_main_~x~4 178), 134481#(<= ULTIMATE.start_main_~x~4 180), 134486#(<= ULTIMATE.start_main_~x~4 190), 134487#(<= ULTIMATE.start_main_~x~4 192), 134484#(<= ULTIMATE.start_main_~x~4 186), 134485#(<= ULTIMATE.start_main_~x~4 188), 134490#(<= ULTIMATE.start_main_~x~4 198), 134491#(<= ULTIMATE.start_main_~x~4 200), 134488#(<= ULTIMATE.start_main_~x~4 194), 134489#(<= ULTIMATE.start_main_~x~4 196), 134494#(<= ULTIMATE.start_main_~x~4 206), 134495#(<= ULTIMATE.start_main_~x~4 208), 134492#(<= ULTIMATE.start_main_~x~4 202), 134493#(<= ULTIMATE.start_main_~x~4 204), 134498#(<= ULTIMATE.start_main_~x~4 214), 134499#(<= ULTIMATE.start_main_~x~4 216), 134496#(<= ULTIMATE.start_main_~x~4 210), 134497#(<= ULTIMATE.start_main_~x~4 212), 134502#(<= ULTIMATE.start_main_~x~4 222), 134503#(<= ULTIMATE.start_main_~x~4 224), 134500#(<= ULTIMATE.start_main_~x~4 218), 134501#(<= ULTIMATE.start_main_~x~4 220), 134506#(<= ULTIMATE.start_main_~x~4 230), 134507#(<= ULTIMATE.start_main_~x~4 232), 134504#(<= ULTIMATE.start_main_~x~4 226), 134505#(<= ULTIMATE.start_main_~x~4 228), 134510#(<= ULTIMATE.start_main_~x~4 238), 134511#(<= ULTIMATE.start_main_~x~4 240), 134508#(<= ULTIMATE.start_main_~x~4 234), 134509#(<= ULTIMATE.start_main_~x~4 236), 134514#(<= ULTIMATE.start_main_~x~4 246), 134515#(<= ULTIMATE.start_main_~x~4 248), 134512#(<= ULTIMATE.start_main_~x~4 242), 134513#(<= ULTIMATE.start_main_~x~4 244), 134518#(<= ULTIMATE.start_main_~x~4 254), 134519#(<= ULTIMATE.start_main_~x~4 256), 134516#(<= ULTIMATE.start_main_~x~4 250), 134517#(<= ULTIMATE.start_main_~x~4 252), 134522#(<= ULTIMATE.start_main_~x~4 262), 134523#(<= ULTIMATE.start_main_~x~4 264), 134520#(<= ULTIMATE.start_main_~x~4 258), 134521#(<= ULTIMATE.start_main_~x~4 260), 134526#(<= ULTIMATE.start_main_~x~4 270), 134527#(<= ULTIMATE.start_main_~x~4 272), 134524#(<= ULTIMATE.start_main_~x~4 266), 134525#(<= ULTIMATE.start_main_~x~4 268), 134530#(<= ULTIMATE.start_main_~x~4 278), 134531#(<= ULTIMATE.start_main_~x~4 280), 134528#(<= ULTIMATE.start_main_~x~4 274), 134529#(<= ULTIMATE.start_main_~x~4 276), 134534#(<= ULTIMATE.start_main_~x~4 286), 134535#(<= ULTIMATE.start_main_~x~4 288), 134532#(<= ULTIMATE.start_main_~x~4 282), 134533#(<= ULTIMATE.start_main_~x~4 284), 134538#(<= ULTIMATE.start_main_~x~4 294), 134539#(<= ULTIMATE.start_main_~x~4 296), 134536#(<= ULTIMATE.start_main_~x~4 290), 134537#(<= ULTIMATE.start_main_~x~4 292), 134542#(<= ULTIMATE.start_main_~x~4 302), 134543#(<= ULTIMATE.start_main_~x~4 304), 134540#(<= ULTIMATE.start_main_~x~4 298), 134541#(<= ULTIMATE.start_main_~x~4 300), 134546#(<= ULTIMATE.start_main_~x~4 310), 134547#(<= ULTIMATE.start_main_~x~4 312), 134544#(<= ULTIMATE.start_main_~x~4 306), 134545#(<= ULTIMATE.start_main_~x~4 308), 134550#(<= ULTIMATE.start_main_~x~4 318), 134551#(<= ULTIMATE.start_main_~x~4 320), 134548#(<= ULTIMATE.start_main_~x~4 314), 134549#(<= ULTIMATE.start_main_~x~4 316), 134554#(<= ULTIMATE.start_main_~x~4 326), 134555#(<= ULTIMATE.start_main_~x~4 328), 134552#(<= ULTIMATE.start_main_~x~4 322), 134553#(<= ULTIMATE.start_main_~x~4 324), 134558#(<= ULTIMATE.start_main_~x~4 334), 134559#(<= ULTIMATE.start_main_~x~4 336), 134556#(<= ULTIMATE.start_main_~x~4 330), 134557#(<= ULTIMATE.start_main_~x~4 332), 134562#(<= ULTIMATE.start_main_~x~4 342), 134563#(<= ULTIMATE.start_main_~x~4 344), 134560#(<= ULTIMATE.start_main_~x~4 338), 134561#(<= ULTIMATE.start_main_~x~4 340), 134566#(<= ULTIMATE.start_main_~x~4 350), 134567#(<= ULTIMATE.start_main_~x~4 352), 134564#(<= ULTIMATE.start_main_~x~4 346), 134565#(<= ULTIMATE.start_main_~x~4 348), 134570#(<= ULTIMATE.start_main_~x~4 358), 134571#(<= ULTIMATE.start_main_~x~4 360), 134568#(<= ULTIMATE.start_main_~x~4 354), 134569#(<= ULTIMATE.start_main_~x~4 356), 134574#(<= ULTIMATE.start_main_~x~4 366), 134575#(<= ULTIMATE.start_main_~x~4 368), 134572#(<= ULTIMATE.start_main_~x~4 362), 134573#(<= ULTIMATE.start_main_~x~4 364), 134578#(<= ULTIMATE.start_main_~x~4 374), 134579#(<= ULTIMATE.start_main_~x~4 376), 134576#(<= ULTIMATE.start_main_~x~4 370), 134577#(<= ULTIMATE.start_main_~x~4 372), 134582#(<= ULTIMATE.start_main_~x~4 382), 134583#(<= ULTIMATE.start_main_~x~4 384), 134580#(<= ULTIMATE.start_main_~x~4 378), 134581#(<= ULTIMATE.start_main_~x~4 380), 134586#(<= ULTIMATE.start_main_~x~4 390), 134587#(<= ULTIMATE.start_main_~x~4 392), 134584#(<= ULTIMATE.start_main_~x~4 386), 134585#(<= ULTIMATE.start_main_~x~4 388), 134590#(<= ULTIMATE.start_main_~x~4 398), 134591#(<= ULTIMATE.start_main_~x~4 400), 134588#(<= ULTIMATE.start_main_~x~4 394), 134589#(<= ULTIMATE.start_main_~x~4 396), 134594#(<= ULTIMATE.start_main_~x~4 406), 134595#(<= ULTIMATE.start_main_~x~4 408), 134592#(<= ULTIMATE.start_main_~x~4 402), 134593#(<= ULTIMATE.start_main_~x~4 404), 134598#(<= ULTIMATE.start_main_~x~4 414), 134599#(<= ULTIMATE.start_main_~x~4 416), 134596#(<= ULTIMATE.start_main_~x~4 410), 134597#(<= ULTIMATE.start_main_~x~4 412), 134602#(<= ULTIMATE.start_main_~x~4 422), 134603#(<= ULTIMATE.start_main_~x~4 424), 134600#(<= ULTIMATE.start_main_~x~4 418), 134601#(<= ULTIMATE.start_main_~x~4 420), 134606#(<= ULTIMATE.start_main_~x~4 430), 134607#(<= ULTIMATE.start_main_~x~4 432), 134604#(<= ULTIMATE.start_main_~x~4 426), 134605#(<= ULTIMATE.start_main_~x~4 428), 134610#(<= ULTIMATE.start_main_~x~4 438), 134611#(<= ULTIMATE.start_main_~x~4 440), 134608#(<= ULTIMATE.start_main_~x~4 434), 134609#(<= ULTIMATE.start_main_~x~4 436), 134614#(<= ULTIMATE.start_main_~x~4 446), 134615#(<= ULTIMATE.start_main_~x~4 448), 134612#(<= ULTIMATE.start_main_~x~4 442), 134613#(<= ULTIMATE.start_main_~x~4 444), 134618#(<= ULTIMATE.start_main_~x~4 454), 134619#(<= ULTIMATE.start_main_~x~4 456), 134616#(<= ULTIMATE.start_main_~x~4 450), 134617#(<= ULTIMATE.start_main_~x~4 452), 134622#(<= ULTIMATE.start_main_~x~4 462), 134623#(<= ULTIMATE.start_main_~x~4 464), 134620#(<= ULTIMATE.start_main_~x~4 458), 134621#(<= ULTIMATE.start_main_~x~4 460)] [2018-07-23 13:44:21,062 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 13:44:21,063 INFO L450 AbstractCegarLoop]: Interpolant automaton has 230 states [2018-07-23 13:44:21,067 INFO L132 InterpolantAutomaton]: Constructing interpolant automaton starting with 230 interpolants. [2018-07-23 13:44:21,072 INFO L133 InterpolantAutomaton]: CoverageRelationStatistics Valid=26335, Invalid=26335, Unknown=0, NotChecked=0, Total=52670 [2018-07-23 13:44:21,072 INFO L87 Difference]: Start difference. First operand 231 states and 231 transitions. Second operand 230 states. [2018-07-23 13:44:22,863 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2018-07-23 13:44:22,863 INFO L93 Difference]: Finished difference Result 234 states and 234 transitions. [2018-07-23 13:44:22,863 INFO L142 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 230 states. [2018-07-23 13:44:22,864 INFO L78 Accepts]: Start accepts. Automaton has 230 states. Word has length 230 [2018-07-23 13:44:22,864 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2018-07-23 13:44:22,864 INFO L225 Difference]: With dead ends: 234 [2018-07-23 13:44:22,864 INFO L226 Difference]: Without dead ends: 232 [2018-07-23 13:44:22,868 INFO L575 BasicCegarLoop]: 0 DeclaredPredicates, 229 GetRequests, 1 SyntacticMatches, 0 SemanticMatches, 228 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 0 ImplicationChecksByTransitivity, 0.9s TimeCoverageRelationStatistics Valid=26335, Invalid=26335, Unknown=0, NotChecked=0, Total=52670 [2018-07-23 13:44:22,868 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 232 states. [2018-07-23 13:44:22,870 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 232 to 232. [2018-07-23 13:44:22,870 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 232 states. [2018-07-23 13:44:22,871 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 232 states to 232 states and 232 transitions. [2018-07-23 13:44:22,871 INFO L78 Accepts]: Start accepts. Automaton has 232 states and 232 transitions. Word has length 230 [2018-07-23 13:44:22,871 INFO L84 Accepts]: Finished accepts. word is rejected. [2018-07-23 13:44:22,871 INFO L471 AbstractCegarLoop]: Abstraction has 232 states and 232 transitions. [2018-07-23 13:44:22,871 INFO L472 AbstractCegarLoop]: Interpolant automaton has 230 states. [2018-07-23 13:44:22,871 INFO L276 IsEmpty]: Start isEmpty. Operand 232 states and 232 transitions. [2018-07-23 13:44:22,871 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 232 [2018-07-23 13:44:22,872 INFO L349 BasicCegarLoop]: Found error trace [2018-07-23 13:44:22,872 INFO L357 BasicCegarLoop]: trace histogram [228, 1, 1, 1] [2018-07-23 13:44:22,872 INFO L414 AbstractCegarLoop]: === Iteration 229 === [ULTIMATE.startErr0AssertViolationASSERT]=== [2018-07-23 13:44:22,872 INFO L82 PathProgramCache]: Analyzing trace with hash 850925825, now seen corresponding path program 228 times [2018-07-23 13:44:22,872 INFO L69 tionRefinementEngine]: Using refinement strategy FixedRefinementStrategy [2018-07-23 13:44:22,890 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-07-23 13:44:23,978 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 13:44:23,978 INFO L309 seRefinementStrategy]: Constructing automaton from 0 perfect and 1 imperfect interpolant sequences. [2018-07-23 13:44:23,978 INFO L324 seRefinementStrategy]: Number of different interpolants: perfect sequences [] imperfect sequences [230] total 230 [2018-07-23 13:44:23,978 INFO L142 lantAutomatonBuilder]: Constructing canonical interpolant automaton, with selfloop in false state [2018-07-23 13:44:23,979 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 13:44:23,979 INFO L185 omatonBuilderFactory]: Interpolants [135682#(<= ULTIMATE.start_main_~x~4 258), 135683#(<= ULTIMATE.start_main_~x~4 260), 135680#(<= ULTIMATE.start_main_~x~4 254), 135681#(<= ULTIMATE.start_main_~x~4 256), 135686#(<= ULTIMATE.start_main_~x~4 266), 135687#(<= ULTIMATE.start_main_~x~4 268), 135684#(<= ULTIMATE.start_main_~x~4 262), 135685#(<= ULTIMATE.start_main_~x~4 264), 135690#(<= ULTIMATE.start_main_~x~4 274), 135691#(<= ULTIMATE.start_main_~x~4 276), 135688#(<= ULTIMATE.start_main_~x~4 270), 135689#(<= ULTIMATE.start_main_~x~4 272), 135694#(<= ULTIMATE.start_main_~x~4 282), 135695#(<= ULTIMATE.start_main_~x~4 284), 135692#(<= ULTIMATE.start_main_~x~4 278), 135693#(<= ULTIMATE.start_main_~x~4 280), 135698#(<= ULTIMATE.start_main_~x~4 290), 135699#(<= ULTIMATE.start_main_~x~4 292), 135696#(<= ULTIMATE.start_main_~x~4 286), 135697#(<= ULTIMATE.start_main_~x~4 288), 135702#(<= ULTIMATE.start_main_~x~4 298), 135703#(<= ULTIMATE.start_main_~x~4 300), 135700#(<= ULTIMATE.start_main_~x~4 294), 135701#(<= ULTIMATE.start_main_~x~4 296), 135706#(<= ULTIMATE.start_main_~x~4 306), 135707#(<= ULTIMATE.start_main_~x~4 308), 135704#(<= ULTIMATE.start_main_~x~4 302), 135705#(<= ULTIMATE.start_main_~x~4 304), 135710#(<= ULTIMATE.start_main_~x~4 314), 135711#(<= ULTIMATE.start_main_~x~4 316), 135708#(<= ULTIMATE.start_main_~x~4 310), 135709#(<= ULTIMATE.start_main_~x~4 312), 135714#(<= ULTIMATE.start_main_~x~4 322), 135715#(<= ULTIMATE.start_main_~x~4 324), 135712#(<= ULTIMATE.start_main_~x~4 318), 135713#(<= ULTIMATE.start_main_~x~4 320), 135718#(<= ULTIMATE.start_main_~x~4 330), 135719#(<= ULTIMATE.start_main_~x~4 332), 135716#(<= ULTIMATE.start_main_~x~4 326), 135717#(<= ULTIMATE.start_main_~x~4 328), 135722#(<= ULTIMATE.start_main_~x~4 338), 135723#(<= ULTIMATE.start_main_~x~4 340), 135720#(<= ULTIMATE.start_main_~x~4 334), 135721#(<= ULTIMATE.start_main_~x~4 336), 135726#(<= ULTIMATE.start_main_~x~4 346), 135727#(<= ULTIMATE.start_main_~x~4 348), 135724#(<= ULTIMATE.start_main_~x~4 342), 135725#(<= ULTIMATE.start_main_~x~4 344), 135730#(<= ULTIMATE.start_main_~x~4 354), 135731#(<= ULTIMATE.start_main_~x~4 356), 135728#(<= ULTIMATE.start_main_~x~4 350), 135729#(<= ULTIMATE.start_main_~x~4 352), 135734#(<= ULTIMATE.start_main_~x~4 362), 135735#(<= ULTIMATE.start_main_~x~4 364), 135732#(<= ULTIMATE.start_main_~x~4 358), 135733#(<= ULTIMATE.start_main_~x~4 360), 135738#(<= ULTIMATE.start_main_~x~4 370), 135739#(<= ULTIMATE.start_main_~x~4 372), 135736#(<= ULTIMATE.start_main_~x~4 366), 135737#(<= ULTIMATE.start_main_~x~4 368), 135742#(<= ULTIMATE.start_main_~x~4 378), 135743#(<= ULTIMATE.start_main_~x~4 380), 135740#(<= ULTIMATE.start_main_~x~4 374), 135741#(<= ULTIMATE.start_main_~x~4 376), 135746#(<= ULTIMATE.start_main_~x~4 386), 135747#(<= ULTIMATE.start_main_~x~4 388), 135744#(<= ULTIMATE.start_main_~x~4 382), 135745#(<= ULTIMATE.start_main_~x~4 384), 135750#(<= ULTIMATE.start_main_~x~4 394), 135751#(<= ULTIMATE.start_main_~x~4 396), 135748#(<= ULTIMATE.start_main_~x~4 390), 135749#(<= ULTIMATE.start_main_~x~4 392), 135754#(<= ULTIMATE.start_main_~x~4 402), 135755#(<= ULTIMATE.start_main_~x~4 404), 135752#(<= ULTIMATE.start_main_~x~4 398), 135753#(<= ULTIMATE.start_main_~x~4 400), 135758#(<= ULTIMATE.start_main_~x~4 410), 135759#(<= ULTIMATE.start_main_~x~4 412), 135756#(<= ULTIMATE.start_main_~x~4 406), 135757#(<= ULTIMATE.start_main_~x~4 408), 135762#(<= ULTIMATE.start_main_~x~4 418), 135763#(<= ULTIMATE.start_main_~x~4 420), 135760#(<= ULTIMATE.start_main_~x~4 414), 135761#(<= ULTIMATE.start_main_~x~4 416), 135766#(<= ULTIMATE.start_main_~x~4 426), 135767#(<= ULTIMATE.start_main_~x~4 428), 135764#(<= ULTIMATE.start_main_~x~4 422), 135765#(<= ULTIMATE.start_main_~x~4 424), 135770#(<= ULTIMATE.start_main_~x~4 434), 135771#(<= ULTIMATE.start_main_~x~4 436), 135768#(<= ULTIMATE.start_main_~x~4 430), 135769#(<= ULTIMATE.start_main_~x~4 432), 135774#(<= ULTIMATE.start_main_~x~4 442), 135775#(<= ULTIMATE.start_main_~x~4 444), 135772#(<= ULTIMATE.start_main_~x~4 438), 135773#(<= ULTIMATE.start_main_~x~4 440), 135778#(<= ULTIMATE.start_main_~x~4 450), 135779#(<= ULTIMATE.start_main_~x~4 452), 135776#(<= ULTIMATE.start_main_~x~4 446), 135777#(<= ULTIMATE.start_main_~x~4 448), 135782#(<= ULTIMATE.start_main_~x~4 458), 135783#(<= ULTIMATE.start_main_~x~4 460), 135780#(<= ULTIMATE.start_main_~x~4 454), 135781#(<= ULTIMATE.start_main_~x~4 456), 135786#(<= ULTIMATE.start_main_~x~4 466), 135784#(<= ULTIMATE.start_main_~x~4 462), 135785#(<= ULTIMATE.start_main_~x~4 464), 135558#(<= ULTIMATE.start_main_~x~4 10), 135559#(<= ULTIMATE.start_main_~x~4 12), 135556#true, 135557#false, 135562#(<= ULTIMATE.start_main_~x~4 18), 135563#(<= ULTIMATE.start_main_~x~4 20), 135560#(<= ULTIMATE.start_main_~x~4 14), 135561#(<= ULTIMATE.start_main_~x~4 16), 135566#(<= ULTIMATE.start_main_~x~4 26), 135567#(<= ULTIMATE.start_main_~x~4 28), 135564#(<= ULTIMATE.start_main_~x~4 22), 135565#(<= ULTIMATE.start_main_~x~4 24), 135570#(<= ULTIMATE.start_main_~x~4 34), 135571#(<= ULTIMATE.start_main_~x~4 36), 135568#(<= ULTIMATE.start_main_~x~4 30), 135569#(<= ULTIMATE.start_main_~x~4 32), 135574#(<= ULTIMATE.start_main_~x~4 42), 135575#(<= ULTIMATE.start_main_~x~4 44), 135572#(<= ULTIMATE.start_main_~x~4 38), 135573#(<= ULTIMATE.start_main_~x~4 40), 135578#(<= ULTIMATE.start_main_~x~4 50), 135579#(<= ULTIMATE.start_main_~x~4 52), 135576#(<= ULTIMATE.start_main_~x~4 46), 135577#(<= ULTIMATE.start_main_~x~4 48), 135582#(<= ULTIMATE.start_main_~x~4 58), 135583#(<= ULTIMATE.start_main_~x~4 60), 135580#(<= ULTIMATE.start_main_~x~4 54), 135581#(<= ULTIMATE.start_main_~x~4 56), 135586#(<= ULTIMATE.start_main_~x~4 66), 135587#(<= ULTIMATE.start_main_~x~4 68), 135584#(<= ULTIMATE.start_main_~x~4 62), 135585#(<= ULTIMATE.start_main_~x~4 64), 135590#(<= ULTIMATE.start_main_~x~4 74), 135591#(<= ULTIMATE.start_main_~x~4 76), 135588#(<= ULTIMATE.start_main_~x~4 70), 135589#(<= ULTIMATE.start_main_~x~4 72), 135594#(<= ULTIMATE.start_main_~x~4 82), 135595#(<= ULTIMATE.start_main_~x~4 84), 135592#(<= ULTIMATE.start_main_~x~4 78), 135593#(<= ULTIMATE.start_main_~x~4 80), 135598#(<= ULTIMATE.start_main_~x~4 90), 135599#(<= ULTIMATE.start_main_~x~4 92), 135596#(<= ULTIMATE.start_main_~x~4 86), 135597#(<= ULTIMATE.start_main_~x~4 88), 135602#(<= ULTIMATE.start_main_~x~4 98), 135603#(<= ULTIMATE.start_main_~x~4 100), 135600#(<= ULTIMATE.start_main_~x~4 94), 135601#(<= ULTIMATE.start_main_~x~4 96), 135606#(<= ULTIMATE.start_main_~x~4 106), 135607#(<= ULTIMATE.start_main_~x~4 108), 135604#(<= ULTIMATE.start_main_~x~4 102), 135605#(<= ULTIMATE.start_main_~x~4 104), 135610#(<= ULTIMATE.start_main_~x~4 114), 135611#(<= ULTIMATE.start_main_~x~4 116), 135608#(<= ULTIMATE.start_main_~x~4 110), 135609#(<= ULTIMATE.start_main_~x~4 112), 135614#(<= ULTIMATE.start_main_~x~4 122), 135615#(<= ULTIMATE.start_main_~x~4 124), 135612#(<= ULTIMATE.start_main_~x~4 118), 135613#(<= ULTIMATE.start_main_~x~4 120), 135618#(<= ULTIMATE.start_main_~x~4 130), 135619#(<= ULTIMATE.start_main_~x~4 132), 135616#(<= ULTIMATE.start_main_~x~4 126), 135617#(<= ULTIMATE.start_main_~x~4 128), 135622#(<= ULTIMATE.start_main_~x~4 138), 135623#(<= ULTIMATE.start_main_~x~4 140), 135620#(<= ULTIMATE.start_main_~x~4 134), 135621#(<= ULTIMATE.start_main_~x~4 136), 135626#(<= ULTIMATE.start_main_~x~4 146), 135627#(<= ULTIMATE.start_main_~x~4 148), 135624#(<= ULTIMATE.start_main_~x~4 142), 135625#(<= ULTIMATE.start_main_~x~4 144), 135630#(<= ULTIMATE.start_main_~x~4 154), 135631#(<= ULTIMATE.start_main_~x~4 156), 135628#(<= ULTIMATE.start_main_~x~4 150), 135629#(<= ULTIMATE.start_main_~x~4 152), 135634#(<= ULTIMATE.start_main_~x~4 162), 135635#(<= ULTIMATE.start_main_~x~4 164), 135632#(<= ULTIMATE.start_main_~x~4 158), 135633#(<= ULTIMATE.start_main_~x~4 160), 135638#(<= ULTIMATE.start_main_~x~4 170), 135639#(<= ULTIMATE.start_main_~x~4 172), 135636#(<= ULTIMATE.start_main_~x~4 166), 135637#(<= ULTIMATE.start_main_~x~4 168), 135642#(<= ULTIMATE.start_main_~x~4 178), 135643#(<= ULTIMATE.start_main_~x~4 180), 135640#(<= ULTIMATE.start_main_~x~4 174), 135641#(<= ULTIMATE.start_main_~x~4 176), 135646#(<= ULTIMATE.start_main_~x~4 186), 135647#(<= ULTIMATE.start_main_~x~4 188), 135644#(<= ULTIMATE.start_main_~x~4 182), 135645#(<= ULTIMATE.start_main_~x~4 184), 135650#(<= ULTIMATE.start_main_~x~4 194), 135651#(<= ULTIMATE.start_main_~x~4 196), 135648#(<= ULTIMATE.start_main_~x~4 190), 135649#(<= ULTIMATE.start_main_~x~4 192), 135654#(<= ULTIMATE.start_main_~x~4 202), 135655#(<= ULTIMATE.start_main_~x~4 204), 135652#(<= ULTIMATE.start_main_~x~4 198), 135653#(<= ULTIMATE.start_main_~x~4 200), 135658#(<= ULTIMATE.start_main_~x~4 210), 135659#(<= ULTIMATE.start_main_~x~4 212), 135656#(<= ULTIMATE.start_main_~x~4 206), 135657#(<= ULTIMATE.start_main_~x~4 208), 135662#(<= ULTIMATE.start_main_~x~4 218), 135663#(<= ULTIMATE.start_main_~x~4 220), 135660#(<= ULTIMATE.start_main_~x~4 214), 135661#(<= ULTIMATE.start_main_~x~4 216), 135666#(<= ULTIMATE.start_main_~x~4 226), 135667#(<= ULTIMATE.start_main_~x~4 228), 135664#(<= ULTIMATE.start_main_~x~4 222), 135665#(<= ULTIMATE.start_main_~x~4 224), 135670#(<= ULTIMATE.start_main_~x~4 234), 135671#(<= ULTIMATE.start_main_~x~4 236), 135668#(<= ULTIMATE.start_main_~x~4 230), 135669#(<= ULTIMATE.start_main_~x~4 232), 135674#(<= ULTIMATE.start_main_~x~4 242), 135675#(<= ULTIMATE.start_main_~x~4 244), 135672#(<= ULTIMATE.start_main_~x~4 238), 135673#(<= ULTIMATE.start_main_~x~4 240), 135678#(<= ULTIMATE.start_main_~x~4 250), 135679#(<= ULTIMATE.start_main_~x~4 252), 135676#(<= ULTIMATE.start_main_~x~4 246), 135677#(<= ULTIMATE.start_main_~x~4 248)] [2018-07-23 13:44:23,980 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 13:44:23,980 INFO L450 AbstractCegarLoop]: Interpolant automaton has 231 states [2018-07-23 13:44:23,984 INFO L132 InterpolantAutomaton]: Constructing interpolant automaton starting with 231 interpolants. [2018-07-23 13:44:23,987 INFO L133 InterpolantAutomaton]: CoverageRelationStatistics Valid=26565, Invalid=26565, Unknown=0, NotChecked=0, Total=53130 [2018-07-23 13:44:23,987 INFO L87 Difference]: Start difference. First operand 232 states and 232 transitions. Second operand 231 states. [2018-07-23 13:44:24,495 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2018-07-23 13:44:24,495 INFO L93 Difference]: Finished difference Result 235 states and 235 transitions. [2018-07-23 13:44:24,495 INFO L142 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 231 states. [2018-07-23 13:44:24,495 INFO L78 Accepts]: Start accepts. Automaton has 231 states. Word has length 231 [2018-07-23 13:44:24,496 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2018-07-23 13:44:24,496 INFO L225 Difference]: With dead ends: 235 [2018-07-23 13:44:24,496 INFO L226 Difference]: Without dead ends: 233 [2018-07-23 13:44:24,498 INFO L575 BasicCegarLoop]: 0 DeclaredPredicates, 230 GetRequests, 1 SyntacticMatches, 0 SemanticMatches, 229 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 0 ImplicationChecksByTransitivity, 1.0s TimeCoverageRelationStatistics Valid=26565, Invalid=26565, Unknown=0, NotChecked=0, Total=53130 [2018-07-23 13:44:24,498 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 233 states. [2018-07-23 13:44:24,500 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 233 to 233. [2018-07-23 13:44:24,500 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 233 states. [2018-07-23 13:44:24,500 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 233 states to 233 states and 233 transitions. [2018-07-23 13:44:24,500 INFO L78 Accepts]: Start accepts. Automaton has 233 states and 233 transitions. Word has length 231 [2018-07-23 13:44:24,501 INFO L84 Accepts]: Finished accepts. word is rejected. [2018-07-23 13:44:24,501 INFO L471 AbstractCegarLoop]: Abstraction has 233 states and 233 transitions. [2018-07-23 13:44:24,501 INFO L472 AbstractCegarLoop]: Interpolant automaton has 231 states. [2018-07-23 13:44:24,501 INFO L276 IsEmpty]: Start isEmpty. Operand 233 states and 233 transitions. [2018-07-23 13:44:24,501 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 233 [2018-07-23 13:44:24,501 INFO L349 BasicCegarLoop]: Found error trace [2018-07-23 13:44:24,501 INFO L357 BasicCegarLoop]: trace histogram [229, 1, 1, 1] [2018-07-23 13:44:24,502 INFO L414 AbstractCegarLoop]: === Iteration 230 === [ULTIMATE.startErr0AssertViolationASSERT]=== [2018-07-23 13:44:24,502 INFO L82 PathProgramCache]: Analyzing trace with hash 608894824, now seen corresponding path program 229 times [2018-07-23 13:44:24,502 INFO L69 tionRefinementEngine]: Using refinement strategy FixedRefinementStrategy [2018-07-23 13:44:24,518 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-07-23 13:44:25,656 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 13:44:25,656 INFO L309 seRefinementStrategy]: Constructing automaton from 0 perfect and 1 imperfect interpolant sequences. [2018-07-23 13:44:25,657 INFO L324 seRefinementStrategy]: Number of different interpolants: perfect sequences [] imperfect sequences [231] total 231 [2018-07-23 13:44:25,657 INFO L142 lantAutomatonBuilder]: Constructing canonical interpolant automaton, with selfloop in false state [2018-07-23 13:44:25,657 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 13:44:25,657 INFO L185 omatonBuilderFactory]: Interpolants [136723#true, 136726#(<= ULTIMATE.start_main_~x~4 12), 136727#(<= ULTIMATE.start_main_~x~4 14), 136724#false, 136725#(<= ULTIMATE.start_main_~x~4 10), 136730#(<= ULTIMATE.start_main_~x~4 20), 136731#(<= ULTIMATE.start_main_~x~4 22), 136728#(<= ULTIMATE.start_main_~x~4 16), 136729#(<= ULTIMATE.start_main_~x~4 18), 136734#(<= ULTIMATE.start_main_~x~4 28), 136735#(<= ULTIMATE.start_main_~x~4 30), 136732#(<= ULTIMATE.start_main_~x~4 24), 136733#(<= ULTIMATE.start_main_~x~4 26), 136738#(<= ULTIMATE.start_main_~x~4 36), 136739#(<= ULTIMATE.start_main_~x~4 38), 136736#(<= ULTIMATE.start_main_~x~4 32), 136737#(<= ULTIMATE.start_main_~x~4 34), 136742#(<= ULTIMATE.start_main_~x~4 44), 136743#(<= ULTIMATE.start_main_~x~4 46), 136740#(<= ULTIMATE.start_main_~x~4 40), 136741#(<= ULTIMATE.start_main_~x~4 42), 136746#(<= ULTIMATE.start_main_~x~4 52), 136747#(<= ULTIMATE.start_main_~x~4 54), 136744#(<= ULTIMATE.start_main_~x~4 48), 136745#(<= ULTIMATE.start_main_~x~4 50), 136750#(<= ULTIMATE.start_main_~x~4 60), 136751#(<= ULTIMATE.start_main_~x~4 62), 136748#(<= ULTIMATE.start_main_~x~4 56), 136749#(<= ULTIMATE.start_main_~x~4 58), 136754#(<= ULTIMATE.start_main_~x~4 68), 136755#(<= ULTIMATE.start_main_~x~4 70), 136752#(<= ULTIMATE.start_main_~x~4 64), 136753#(<= ULTIMATE.start_main_~x~4 66), 136758#(<= ULTIMATE.start_main_~x~4 76), 136759#(<= ULTIMATE.start_main_~x~4 78), 136756#(<= ULTIMATE.start_main_~x~4 72), 136757#(<= ULTIMATE.start_main_~x~4 74), 136762#(<= ULTIMATE.start_main_~x~4 84), 136763#(<= ULTIMATE.start_main_~x~4 86), 136760#(<= ULTIMATE.start_main_~x~4 80), 136761#(<= ULTIMATE.start_main_~x~4 82), 136766#(<= ULTIMATE.start_main_~x~4 92), 136767#(<= ULTIMATE.start_main_~x~4 94), 136764#(<= ULTIMATE.start_main_~x~4 88), 136765#(<= ULTIMATE.start_main_~x~4 90), 136770#(<= ULTIMATE.start_main_~x~4 100), 136771#(<= ULTIMATE.start_main_~x~4 102), 136768#(<= ULTIMATE.start_main_~x~4 96), 136769#(<= ULTIMATE.start_main_~x~4 98), 136774#(<= ULTIMATE.start_main_~x~4 108), 136775#(<= ULTIMATE.start_main_~x~4 110), 136772#(<= ULTIMATE.start_main_~x~4 104), 136773#(<= ULTIMATE.start_main_~x~4 106), 136778#(<= ULTIMATE.start_main_~x~4 116), 136779#(<= ULTIMATE.start_main_~x~4 118), 136776#(<= ULTIMATE.start_main_~x~4 112), 136777#(<= ULTIMATE.start_main_~x~4 114), 136782#(<= ULTIMATE.start_main_~x~4 124), 136783#(<= ULTIMATE.start_main_~x~4 126), 136780#(<= ULTIMATE.start_main_~x~4 120), 136781#(<= ULTIMATE.start_main_~x~4 122), 136786#(<= ULTIMATE.start_main_~x~4 132), 136787#(<= ULTIMATE.start_main_~x~4 134), 136784#(<= ULTIMATE.start_main_~x~4 128), 136785#(<= ULTIMATE.start_main_~x~4 130), 136790#(<= ULTIMATE.start_main_~x~4 140), 136791#(<= ULTIMATE.start_main_~x~4 142), 136788#(<= ULTIMATE.start_main_~x~4 136), 136789#(<= ULTIMATE.start_main_~x~4 138), 136794#(<= ULTIMATE.start_main_~x~4 148), 136795#(<= ULTIMATE.start_main_~x~4 150), 136792#(<= ULTIMATE.start_main_~x~4 144), 136793#(<= ULTIMATE.start_main_~x~4 146), 136798#(<= ULTIMATE.start_main_~x~4 156), 136799#(<= ULTIMATE.start_main_~x~4 158), 136796#(<= ULTIMATE.start_main_~x~4 152), 136797#(<= ULTIMATE.start_main_~x~4 154), 136802#(<= ULTIMATE.start_main_~x~4 164), 136803#(<= ULTIMATE.start_main_~x~4 166), 136800#(<= ULTIMATE.start_main_~x~4 160), 136801#(<= ULTIMATE.start_main_~x~4 162), 136806#(<= ULTIMATE.start_main_~x~4 172), 136807#(<= ULTIMATE.start_main_~x~4 174), 136804#(<= ULTIMATE.start_main_~x~4 168), 136805#(<= ULTIMATE.start_main_~x~4 170), 136810#(<= ULTIMATE.start_main_~x~4 180), 136811#(<= ULTIMATE.start_main_~x~4 182), 136808#(<= ULTIMATE.start_main_~x~4 176), 136809#(<= ULTIMATE.start_main_~x~4 178), 136814#(<= ULTIMATE.start_main_~x~4 188), 136815#(<= ULTIMATE.start_main_~x~4 190), 136812#(<= ULTIMATE.start_main_~x~4 184), 136813#(<= ULTIMATE.start_main_~x~4 186), 136818#(<= ULTIMATE.start_main_~x~4 196), 136819#(<= ULTIMATE.start_main_~x~4 198), 136816#(<= ULTIMATE.start_main_~x~4 192), 136817#(<= ULTIMATE.start_main_~x~4 194), 136822#(<= ULTIMATE.start_main_~x~4 204), 136823#(<= ULTIMATE.start_main_~x~4 206), 136820#(<= ULTIMATE.start_main_~x~4 200), 136821#(<= ULTIMATE.start_main_~x~4 202), 136826#(<= ULTIMATE.start_main_~x~4 212), 136827#(<= ULTIMATE.start_main_~x~4 214), 136824#(<= ULTIMATE.start_main_~x~4 208), 136825#(<= ULTIMATE.start_main_~x~4 210), 136830#(<= ULTIMATE.start_main_~x~4 220), 136831#(<= ULTIMATE.start_main_~x~4 222), 136828#(<= ULTIMATE.start_main_~x~4 216), 136829#(<= ULTIMATE.start_main_~x~4 218), 136834#(<= ULTIMATE.start_main_~x~4 228), 136835#(<= ULTIMATE.start_main_~x~4 230), 136832#(<= ULTIMATE.start_main_~x~4 224), 136833#(<= ULTIMATE.start_main_~x~4 226), 136838#(<= ULTIMATE.start_main_~x~4 236), 136839#(<= ULTIMATE.start_main_~x~4 238), 136836#(<= ULTIMATE.start_main_~x~4 232), 136837#(<= ULTIMATE.start_main_~x~4 234), 136842#(<= ULTIMATE.start_main_~x~4 244), 136843#(<= ULTIMATE.start_main_~x~4 246), 136840#(<= ULTIMATE.start_main_~x~4 240), 136841#(<= ULTIMATE.start_main_~x~4 242), 136846#(<= ULTIMATE.start_main_~x~4 252), 136847#(<= ULTIMATE.start_main_~x~4 254), 136844#(<= ULTIMATE.start_main_~x~4 248), 136845#(<= ULTIMATE.start_main_~x~4 250), 136850#(<= ULTIMATE.start_main_~x~4 260), 136851#(<= ULTIMATE.start_main_~x~4 262), 136848#(<= ULTIMATE.start_main_~x~4 256), 136849#(<= ULTIMATE.start_main_~x~4 258), 136854#(<= ULTIMATE.start_main_~x~4 268), 136855#(<= ULTIMATE.start_main_~x~4 270), 136852#(<= ULTIMATE.start_main_~x~4 264), 136853#(<= ULTIMATE.start_main_~x~4 266), 136858#(<= ULTIMATE.start_main_~x~4 276), 136859#(<= ULTIMATE.start_main_~x~4 278), 136856#(<= ULTIMATE.start_main_~x~4 272), 136857#(<= ULTIMATE.start_main_~x~4 274), 136862#(<= ULTIMATE.start_main_~x~4 284), 136863#(<= ULTIMATE.start_main_~x~4 286), 136860#(<= ULTIMATE.start_main_~x~4 280), 136861#(<= ULTIMATE.start_main_~x~4 282), 136866#(<= ULTIMATE.start_main_~x~4 292), 136867#(<= ULTIMATE.start_main_~x~4 294), 136864#(<= ULTIMATE.start_main_~x~4 288), 136865#(<= ULTIMATE.start_main_~x~4 290), 136870#(<= ULTIMATE.start_main_~x~4 300), 136871#(<= ULTIMATE.start_main_~x~4 302), 136868#(<= ULTIMATE.start_main_~x~4 296), 136869#(<= ULTIMATE.start_main_~x~4 298), 136874#(<= ULTIMATE.start_main_~x~4 308), 136875#(<= ULTIMATE.start_main_~x~4 310), 136872#(<= ULTIMATE.start_main_~x~4 304), 136873#(<= ULTIMATE.start_main_~x~4 306), 136878#(<= ULTIMATE.start_main_~x~4 316), 136879#(<= ULTIMATE.start_main_~x~4 318), 136876#(<= ULTIMATE.start_main_~x~4 312), 136877#(<= ULTIMATE.start_main_~x~4 314), 136882#(<= ULTIMATE.start_main_~x~4 324), 136883#(<= ULTIMATE.start_main_~x~4 326), 136880#(<= ULTIMATE.start_main_~x~4 320), 136881#(<= ULTIMATE.start_main_~x~4 322), 136886#(<= ULTIMATE.start_main_~x~4 332), 136887#(<= ULTIMATE.start_main_~x~4 334), 136884#(<= ULTIMATE.start_main_~x~4 328), 136885#(<= ULTIMATE.start_main_~x~4 330), 136890#(<= ULTIMATE.start_main_~x~4 340), 136891#(<= ULTIMATE.start_main_~x~4 342), 136888#(<= ULTIMATE.start_main_~x~4 336), 136889#(<= ULTIMATE.start_main_~x~4 338), 136894#(<= ULTIMATE.start_main_~x~4 348), 136895#(<= ULTIMATE.start_main_~x~4 350), 136892#(<= ULTIMATE.start_main_~x~4 344), 136893#(<= ULTIMATE.start_main_~x~4 346), 136898#(<= ULTIMATE.start_main_~x~4 356), 136899#(<= ULTIMATE.start_main_~x~4 358), 136896#(<= ULTIMATE.start_main_~x~4 352), 136897#(<= ULTIMATE.start_main_~x~4 354), 136902#(<= ULTIMATE.start_main_~x~4 364), 136903#(<= ULTIMATE.start_main_~x~4 366), 136900#(<= ULTIMATE.start_main_~x~4 360), 136901#(<= ULTIMATE.start_main_~x~4 362), 136906#(<= ULTIMATE.start_main_~x~4 372), 136907#(<= ULTIMATE.start_main_~x~4 374), 136904#(<= ULTIMATE.start_main_~x~4 368), 136905#(<= ULTIMATE.start_main_~x~4 370), 136910#(<= ULTIMATE.start_main_~x~4 380), 136911#(<= ULTIMATE.start_main_~x~4 382), 136908#(<= ULTIMATE.start_main_~x~4 376), 136909#(<= ULTIMATE.start_main_~x~4 378), 136914#(<= ULTIMATE.start_main_~x~4 388), 136915#(<= ULTIMATE.start_main_~x~4 390), 136912#(<= ULTIMATE.start_main_~x~4 384), 136913#(<= ULTIMATE.start_main_~x~4 386), 136918#(<= ULTIMATE.start_main_~x~4 396), 136919#(<= ULTIMATE.start_main_~x~4 398), 136916#(<= ULTIMATE.start_main_~x~4 392), 136917#(<= ULTIMATE.start_main_~x~4 394), 136922#(<= ULTIMATE.start_main_~x~4 404), 136923#(<= ULTIMATE.start_main_~x~4 406), 136920#(<= ULTIMATE.start_main_~x~4 400), 136921#(<= ULTIMATE.start_main_~x~4 402), 136926#(<= ULTIMATE.start_main_~x~4 412), 136927#(<= ULTIMATE.start_main_~x~4 414), 136924#(<= ULTIMATE.start_main_~x~4 408), 136925#(<= ULTIMATE.start_main_~x~4 410), 136930#(<= ULTIMATE.start_main_~x~4 420), 136931#(<= ULTIMATE.start_main_~x~4 422), 136928#(<= ULTIMATE.start_main_~x~4 416), 136929#(<= ULTIMATE.start_main_~x~4 418), 136934#(<= ULTIMATE.start_main_~x~4 428), 136935#(<= ULTIMATE.start_main_~x~4 430), 136932#(<= ULTIMATE.start_main_~x~4 424), 136933#(<= ULTIMATE.start_main_~x~4 426), 136938#(<= ULTIMATE.start_main_~x~4 436), 136939#(<= ULTIMATE.start_main_~x~4 438), 136936#(<= ULTIMATE.start_main_~x~4 432), 136937#(<= ULTIMATE.start_main_~x~4 434), 136942#(<= ULTIMATE.start_main_~x~4 444), 136943#(<= ULTIMATE.start_main_~x~4 446), 136940#(<= ULTIMATE.start_main_~x~4 440), 136941#(<= ULTIMATE.start_main_~x~4 442), 136946#(<= ULTIMATE.start_main_~x~4 452), 136947#(<= ULTIMATE.start_main_~x~4 454), 136944#(<= ULTIMATE.start_main_~x~4 448), 136945#(<= ULTIMATE.start_main_~x~4 450), 136950#(<= ULTIMATE.start_main_~x~4 460), 136951#(<= ULTIMATE.start_main_~x~4 462), 136948#(<= ULTIMATE.start_main_~x~4 456), 136949#(<= ULTIMATE.start_main_~x~4 458), 136954#(<= ULTIMATE.start_main_~x~4 468), 136952#(<= ULTIMATE.start_main_~x~4 464), 136953#(<= ULTIMATE.start_main_~x~4 466)] [2018-07-23 13:44:25,659 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 13:44:25,660 INFO L450 AbstractCegarLoop]: Interpolant automaton has 232 states [2018-07-23 13:44:25,664 INFO L132 InterpolantAutomaton]: Constructing interpolant automaton starting with 232 interpolants. [2018-07-23 13:44:25,668 INFO L133 InterpolantAutomaton]: CoverageRelationStatistics Valid=26796, Invalid=26796, Unknown=0, NotChecked=0, Total=53592 [2018-07-23 13:44:25,668 INFO L87 Difference]: Start difference. First operand 233 states and 233 transitions. Second operand 232 states. [2018-07-23 13:44:27,769 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2018-07-23 13:44:27,769 INFO L93 Difference]: Finished difference Result 236 states and 236 transitions. [2018-07-23 13:44:27,770 INFO L142 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 232 states. [2018-07-23 13:44:27,770 INFO L78 Accepts]: Start accepts. Automaton has 232 states. Word has length 232 [2018-07-23 13:44:27,770 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2018-07-23 13:44:27,770 INFO L225 Difference]: With dead ends: 236 [2018-07-23 13:44:27,770 INFO L226 Difference]: Without dead ends: 234 [2018-07-23 13:44:27,776 INFO L575 BasicCegarLoop]: 0 DeclaredPredicates, 231 GetRequests, 1 SyntacticMatches, 0 SemanticMatches, 230 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 0 ImplicationChecksByTransitivity, 1.0s TimeCoverageRelationStatistics Valid=26796, Invalid=26796, Unknown=0, NotChecked=0, Total=53592 [2018-07-23 13:44:27,776 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 234 states. [2018-07-23 13:44:27,778 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 234 to 234. [2018-07-23 13:44:27,778 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 234 states. [2018-07-23 13:44:27,778 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 234 states to 234 states and 234 transitions. [2018-07-23 13:44:27,779 INFO L78 Accepts]: Start accepts. Automaton has 234 states and 234 transitions. Word has length 232 [2018-07-23 13:44:27,779 INFO L84 Accepts]: Finished accepts. word is rejected. [2018-07-23 13:44:27,779 INFO L471 AbstractCegarLoop]: Abstraction has 234 states and 234 transitions. [2018-07-23 13:44:27,779 INFO L472 AbstractCegarLoop]: Interpolant automaton has 232 states. [2018-07-23 13:44:27,779 INFO L276 IsEmpty]: Start isEmpty. Operand 234 states and 234 transitions. [2018-07-23 13:44:27,779 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 234 [2018-07-23 13:44:27,780 INFO L349 BasicCegarLoop]: Found error trace [2018-07-23 13:44:27,780 INFO L357 BasicCegarLoop]: trace histogram [230, 1, 1, 1] [2018-07-23 13:44:27,780 INFO L414 AbstractCegarLoop]: === Iteration 231 === [ULTIMATE.startErr0AssertViolationASSERT]=== [2018-07-23 13:44:27,780 INFO L82 PathProgramCache]: Analyzing trace with hash 1695868385, now seen corresponding path program 230 times [2018-07-23 13:44:27,780 INFO L69 tionRefinementEngine]: Using refinement strategy FixedRefinementStrategy [2018-07-23 13:44:27,801 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-07-23 13:44:29,084 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 13:44:29,085 INFO L309 seRefinementStrategy]: Constructing automaton from 0 perfect and 1 imperfect interpolant sequences. [2018-07-23 13:44:29,085 INFO L324 seRefinementStrategy]: Number of different interpolants: perfect sequences [] imperfect sequences [232] total 232 [2018-07-23 13:44:29,085 INFO L142 lantAutomatonBuilder]: Constructing canonical interpolant automaton, with selfloop in false state [2018-07-23 13:44:29,085 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2018-07-23 13:44:29,086 INFO L185 omatonBuilderFactory]: Interpolants [137895#true, 137898#(<= ULTIMATE.start_main_~x~4 12), 137899#(<= ULTIMATE.start_main_~x~4 14), 137896#false, 137897#(<= ULTIMATE.start_main_~x~4 10), 137902#(<= ULTIMATE.start_main_~x~4 20), 137903#(<= ULTIMATE.start_main_~x~4 22), 137900#(<= ULTIMATE.start_main_~x~4 16), 137901#(<= ULTIMATE.start_main_~x~4 18), 137906#(<= ULTIMATE.start_main_~x~4 28), 137907#(<= ULTIMATE.start_main_~x~4 30), 137904#(<= ULTIMATE.start_main_~x~4 24), 137905#(<= ULTIMATE.start_main_~x~4 26), 137910#(<= ULTIMATE.start_main_~x~4 36), 137911#(<= ULTIMATE.start_main_~x~4 38), 137908#(<= ULTIMATE.start_main_~x~4 32), 137909#(<= ULTIMATE.start_main_~x~4 34), 137914#(<= ULTIMATE.start_main_~x~4 44), 137915#(<= ULTIMATE.start_main_~x~4 46), 137912#(<= ULTIMATE.start_main_~x~4 40), 137913#(<= ULTIMATE.start_main_~x~4 42), 137918#(<= ULTIMATE.start_main_~x~4 52), 137919#(<= ULTIMATE.start_main_~x~4 54), 137916#(<= ULTIMATE.start_main_~x~4 48), 137917#(<= ULTIMATE.start_main_~x~4 50), 137922#(<= ULTIMATE.start_main_~x~4 60), 137923#(<= ULTIMATE.start_main_~x~4 62), 137920#(<= ULTIMATE.start_main_~x~4 56), 137921#(<= ULTIMATE.start_main_~x~4 58), 137926#(<= ULTIMATE.start_main_~x~4 68), 137927#(<= ULTIMATE.start_main_~x~4 70), 137924#(<= ULTIMATE.start_main_~x~4 64), 137925#(<= ULTIMATE.start_main_~x~4 66), 137930#(<= ULTIMATE.start_main_~x~4 76), 137931#(<= ULTIMATE.start_main_~x~4 78), 137928#(<= ULTIMATE.start_main_~x~4 72), 137929#(<= ULTIMATE.start_main_~x~4 74), 137934#(<= ULTIMATE.start_main_~x~4 84), 137935#(<= ULTIMATE.start_main_~x~4 86), 137932#(<= ULTIMATE.start_main_~x~4 80), 137933#(<= ULTIMATE.start_main_~x~4 82), 137938#(<= ULTIMATE.start_main_~x~4 92), 137939#(<= ULTIMATE.start_main_~x~4 94), 137936#(<= ULTIMATE.start_main_~x~4 88), 137937#(<= ULTIMATE.start_main_~x~4 90), 137942#(<= ULTIMATE.start_main_~x~4 100), 137943#(<= ULTIMATE.start_main_~x~4 102), 137940#(<= ULTIMATE.start_main_~x~4 96), 137941#(<= ULTIMATE.start_main_~x~4 98), 137946#(<= ULTIMATE.start_main_~x~4 108), 137947#(<= ULTIMATE.start_main_~x~4 110), 137944#(<= ULTIMATE.start_main_~x~4 104), 137945#(<= ULTIMATE.start_main_~x~4 106), 137950#(<= ULTIMATE.start_main_~x~4 116), 137951#(<= ULTIMATE.start_main_~x~4 118), 137948#(<= ULTIMATE.start_main_~x~4 112), 137949#(<= ULTIMATE.start_main_~x~4 114), 137954#(<= ULTIMATE.start_main_~x~4 124), 137955#(<= ULTIMATE.start_main_~x~4 126), 137952#(<= ULTIMATE.start_main_~x~4 120), 137953#(<= ULTIMATE.start_main_~x~4 122), 137958#(<= ULTIMATE.start_main_~x~4 132), 137959#(<= ULTIMATE.start_main_~x~4 134), 137956#(<= ULTIMATE.start_main_~x~4 128), 137957#(<= ULTIMATE.start_main_~x~4 130), 137962#(<= ULTIMATE.start_main_~x~4 140), 137963#(<= ULTIMATE.start_main_~x~4 142), 137960#(<= ULTIMATE.start_main_~x~4 136), 137961#(<= ULTIMATE.start_main_~x~4 138), 137966#(<= ULTIMATE.start_main_~x~4 148), 137967#(<= ULTIMATE.start_main_~x~4 150), 137964#(<= ULTIMATE.start_main_~x~4 144), 137965#(<= ULTIMATE.start_main_~x~4 146), 137970#(<= ULTIMATE.start_main_~x~4 156), 137971#(<= ULTIMATE.start_main_~x~4 158), 137968#(<= ULTIMATE.start_main_~x~4 152), 137969#(<= ULTIMATE.start_main_~x~4 154), 137974#(<= ULTIMATE.start_main_~x~4 164), 137975#(<= ULTIMATE.start_main_~x~4 166), 137972#(<= ULTIMATE.start_main_~x~4 160), 137973#(<= ULTIMATE.start_main_~x~4 162), 137978#(<= ULTIMATE.start_main_~x~4 172), 137979#(<= ULTIMATE.start_main_~x~4 174), 137976#(<= ULTIMATE.start_main_~x~4 168), 137977#(<= ULTIMATE.start_main_~x~4 170), 137982#(<= ULTIMATE.start_main_~x~4 180), 137983#(<= ULTIMATE.start_main_~x~4 182), 137980#(<= ULTIMATE.start_main_~x~4 176), 137981#(<= ULTIMATE.start_main_~x~4 178), 137986#(<= ULTIMATE.start_main_~x~4 188), 137987#(<= ULTIMATE.start_main_~x~4 190), 137984#(<= ULTIMATE.start_main_~x~4 184), 137985#(<= ULTIMATE.start_main_~x~4 186), 137990#(<= ULTIMATE.start_main_~x~4 196), 137991#(<= ULTIMATE.start_main_~x~4 198), 137988#(<= ULTIMATE.start_main_~x~4 192), 137989#(<= ULTIMATE.start_main_~x~4 194), 137994#(<= ULTIMATE.start_main_~x~4 204), 137995#(<= ULTIMATE.start_main_~x~4 206), 137992#(<= ULTIMATE.start_main_~x~4 200), 137993#(<= ULTIMATE.start_main_~x~4 202), 137998#(<= ULTIMATE.start_main_~x~4 212), 137999#(<= ULTIMATE.start_main_~x~4 214), 137996#(<= ULTIMATE.start_main_~x~4 208), 137997#(<= ULTIMATE.start_main_~x~4 210), 138002#(<= ULTIMATE.start_main_~x~4 220), 138003#(<= ULTIMATE.start_main_~x~4 222), 138000#(<= ULTIMATE.start_main_~x~4 216), 138001#(<= ULTIMATE.start_main_~x~4 218), 138006#(<= ULTIMATE.start_main_~x~4 228), 138007#(<= ULTIMATE.start_main_~x~4 230), 138004#(<= ULTIMATE.start_main_~x~4 224), 138005#(<= ULTIMATE.start_main_~x~4 226), 138010#(<= ULTIMATE.start_main_~x~4 236), 138011#(<= ULTIMATE.start_main_~x~4 238), 138008#(<= ULTIMATE.start_main_~x~4 232), 138009#(<= ULTIMATE.start_main_~x~4 234), 138014#(<= ULTIMATE.start_main_~x~4 244), 138015#(<= ULTIMATE.start_main_~x~4 246), 138012#(<= ULTIMATE.start_main_~x~4 240), 138013#(<= ULTIMATE.start_main_~x~4 242), 138018#(<= ULTIMATE.start_main_~x~4 252), 138019#(<= ULTIMATE.start_main_~x~4 254), 138016#(<= ULTIMATE.start_main_~x~4 248), 138017#(<= ULTIMATE.start_main_~x~4 250), 138022#(<= ULTIMATE.start_main_~x~4 260), 138023#(<= ULTIMATE.start_main_~x~4 262), 138020#(<= ULTIMATE.start_main_~x~4 256), 138021#(<= ULTIMATE.start_main_~x~4 258), 138026#(<= ULTIMATE.start_main_~x~4 268), 138027#(<= ULTIMATE.start_main_~x~4 270), 138024#(<= ULTIMATE.start_main_~x~4 264), 138025#(<= ULTIMATE.start_main_~x~4 266), 138030#(<= ULTIMATE.start_main_~x~4 276), 138031#(<= ULTIMATE.start_main_~x~4 278), 138028#(<= ULTIMATE.start_main_~x~4 272), 138029#(<= ULTIMATE.start_main_~x~4 274), 138034#(<= ULTIMATE.start_main_~x~4 284), 138035#(<= ULTIMATE.start_main_~x~4 286), 138032#(<= ULTIMATE.start_main_~x~4 280), 138033#(<= ULTIMATE.start_main_~x~4 282), 138038#(<= ULTIMATE.start_main_~x~4 292), 138039#(<= ULTIMATE.start_main_~x~4 294), 138036#(<= ULTIMATE.start_main_~x~4 288), 138037#(<= ULTIMATE.start_main_~x~4 290), 138042#(<= ULTIMATE.start_main_~x~4 300), 138043#(<= ULTIMATE.start_main_~x~4 302), 138040#(<= ULTIMATE.start_main_~x~4 296), 138041#(<= ULTIMATE.start_main_~x~4 298), 138046#(<= ULTIMATE.start_main_~x~4 308), 138047#(<= ULTIMATE.start_main_~x~4 310), 138044#(<= ULTIMATE.start_main_~x~4 304), 138045#(<= ULTIMATE.start_main_~x~4 306), 138050#(<= ULTIMATE.start_main_~x~4 316), 138051#(<= ULTIMATE.start_main_~x~4 318), 138048#(<= ULTIMATE.start_main_~x~4 312), 138049#(<= ULTIMATE.start_main_~x~4 314), 138054#(<= ULTIMATE.start_main_~x~4 324), 138055#(<= ULTIMATE.start_main_~x~4 326), 138052#(<= ULTIMATE.start_main_~x~4 320), 138053#(<= ULTIMATE.start_main_~x~4 322), 138058#(<= ULTIMATE.start_main_~x~4 332), 138059#(<= ULTIMATE.start_main_~x~4 334), 138056#(<= ULTIMATE.start_main_~x~4 328), 138057#(<= ULTIMATE.start_main_~x~4 330), 138062#(<= ULTIMATE.start_main_~x~4 340), 138063#(<= ULTIMATE.start_main_~x~4 342), 138060#(<= ULTIMATE.start_main_~x~4 336), 138061#(<= ULTIMATE.start_main_~x~4 338), 138066#(<= ULTIMATE.start_main_~x~4 348), 138067#(<= ULTIMATE.start_main_~x~4 350), 138064#(<= ULTIMATE.start_main_~x~4 344), 138065#(<= ULTIMATE.start_main_~x~4 346), 138070#(<= ULTIMATE.start_main_~x~4 356), 138071#(<= ULTIMATE.start_main_~x~4 358), 138068#(<= ULTIMATE.start_main_~x~4 352), 138069#(<= ULTIMATE.start_main_~x~4 354), 138074#(<= ULTIMATE.start_main_~x~4 364), 138075#(<= ULTIMATE.start_main_~x~4 366), 138072#(<= ULTIMATE.start_main_~x~4 360), 138073#(<= ULTIMATE.start_main_~x~4 362), 138078#(<= ULTIMATE.start_main_~x~4 372), 138079#(<= ULTIMATE.start_main_~x~4 374), 138076#(<= ULTIMATE.start_main_~x~4 368), 138077#(<= ULTIMATE.start_main_~x~4 370), 138082#(<= ULTIMATE.start_main_~x~4 380), 138083#(<= ULTIMATE.start_main_~x~4 382), 138080#(<= ULTIMATE.start_main_~x~4 376), 138081#(<= ULTIMATE.start_main_~x~4 378), 138086#(<= ULTIMATE.start_main_~x~4 388), 138087#(<= ULTIMATE.start_main_~x~4 390), 138084#(<= ULTIMATE.start_main_~x~4 384), 138085#(<= ULTIMATE.start_main_~x~4 386), 138090#(<= ULTIMATE.start_main_~x~4 396), 138091#(<= ULTIMATE.start_main_~x~4 398), 138088#(<= ULTIMATE.start_main_~x~4 392), 138089#(<= ULTIMATE.start_main_~x~4 394), 138094#(<= ULTIMATE.start_main_~x~4 404), 138095#(<= ULTIMATE.start_main_~x~4 406), 138092#(<= ULTIMATE.start_main_~x~4 400), 138093#(<= ULTIMATE.start_main_~x~4 402), 138098#(<= ULTIMATE.start_main_~x~4 412), 138099#(<= ULTIMATE.start_main_~x~4 414), 138096#(<= ULTIMATE.start_main_~x~4 408), 138097#(<= ULTIMATE.start_main_~x~4 410), 138102#(<= ULTIMATE.start_main_~x~4 420), 138103#(<= ULTIMATE.start_main_~x~4 422), 138100#(<= ULTIMATE.start_main_~x~4 416), 138101#(<= ULTIMATE.start_main_~x~4 418), 138106#(<= ULTIMATE.start_main_~x~4 428), 138107#(<= ULTIMATE.start_main_~x~4 430), 138104#(<= ULTIMATE.start_main_~x~4 424), 138105#(<= ULTIMATE.start_main_~x~4 426), 138110#(<= ULTIMATE.start_main_~x~4 436), 138111#(<= ULTIMATE.start_main_~x~4 438), 138108#(<= ULTIMATE.start_main_~x~4 432), 138109#(<= ULTIMATE.start_main_~x~4 434), 138114#(<= ULTIMATE.start_main_~x~4 444), 138115#(<= ULTIMATE.start_main_~x~4 446), 138112#(<= ULTIMATE.start_main_~x~4 440), 138113#(<= ULTIMATE.start_main_~x~4 442), 138118#(<= ULTIMATE.start_main_~x~4 452), 138119#(<= ULTIMATE.start_main_~x~4 454), 138116#(<= ULTIMATE.start_main_~x~4 448), 138117#(<= ULTIMATE.start_main_~x~4 450), 138122#(<= ULTIMATE.start_main_~x~4 460), 138123#(<= ULTIMATE.start_main_~x~4 462), 138120#(<= ULTIMATE.start_main_~x~4 456), 138121#(<= ULTIMATE.start_main_~x~4 458), 138126#(<= ULTIMATE.start_main_~x~4 468), 138127#(<= ULTIMATE.start_main_~x~4 470), 138124#(<= ULTIMATE.start_main_~x~4 464), 138125#(<= ULTIMATE.start_main_~x~4 466)] [2018-07-23 13:44:29,088 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 13:44:29,088 INFO L450 AbstractCegarLoop]: Interpolant automaton has 233 states [2018-07-23 13:44:29,092 INFO L132 InterpolantAutomaton]: Constructing interpolant automaton starting with 233 interpolants. [2018-07-23 13:44:29,095 INFO L133 InterpolantAutomaton]: CoverageRelationStatistics Valid=27028, Invalid=27028, Unknown=0, NotChecked=0, Total=54056 [2018-07-23 13:44:29,095 INFO L87 Difference]: Start difference. First operand 234 states and 234 transitions. Second operand 233 states. [2018-07-23 13:44:30,658 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2018-07-23 13:44:30,658 INFO L93 Difference]: Finished difference Result 237 states and 237 transitions. [2018-07-23 13:44:30,658 INFO L142 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 233 states. [2018-07-23 13:44:30,658 INFO L78 Accepts]: Start accepts. Automaton has 233 states. Word has length 233 [2018-07-23 13:44:30,659 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2018-07-23 13:44:30,659 INFO L225 Difference]: With dead ends: 237 [2018-07-23 13:44:30,659 INFO L226 Difference]: Without dead ends: 235 [2018-07-23 13:44:30,664 INFO L575 BasicCegarLoop]: 0 DeclaredPredicates, 232 GetRequests, 1 SyntacticMatches, 0 SemanticMatches, 231 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 0 ImplicationChecksByTransitivity, 1.1s TimeCoverageRelationStatistics Valid=27028, Invalid=27028, Unknown=0, NotChecked=0, Total=54056 [2018-07-23 13:44:30,665 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 235 states. [2018-07-23 13:44:30,667 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 235 to 235. [2018-07-23 13:44:30,667 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 235 states. [2018-07-23 13:44:30,667 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 235 states to 235 states and 235 transitions. [2018-07-23 13:44:30,667 INFO L78 Accepts]: Start accepts. Automaton has 235 states and 235 transitions. Word has length 233 [2018-07-23 13:44:30,668 INFO L84 Accepts]: Finished accepts. word is rejected. [2018-07-23 13:44:30,668 INFO L471 AbstractCegarLoop]: Abstraction has 235 states and 235 transitions. [2018-07-23 13:44:30,668 INFO L472 AbstractCegarLoop]: Interpolant automaton has 233 states. [2018-07-23 13:44:30,668 INFO L276 IsEmpty]: Start isEmpty. Operand 235 states and 235 transitions. [2018-07-23 13:44:30,668 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 235 [2018-07-23 13:44:30,668 INFO L349 BasicCegarLoop]: Found error trace [2018-07-23 13:44:30,669 INFO L357 BasicCegarLoop]: trace histogram [231, 1, 1, 1] [2018-07-23 13:44:30,669 INFO L414 AbstractCegarLoop]: === Iteration 232 === [ULTIMATE.startErr0AssertViolationASSERT]=== [2018-07-23 13:44:30,669 INFO L82 PathProgramCache]: Analyzing trace with hash 1032310408, now seen corresponding path program 231 times [2018-07-23 13:44:30,669 INFO L69 tionRefinementEngine]: Using refinement strategy FixedRefinementStrategy [2018-07-23 13:44:30,692 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-07-23 13:44:32,027 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 13:44:32,028 INFO L309 seRefinementStrategy]: Constructing automaton from 0 perfect and 1 imperfect interpolant sequences. [2018-07-23 13:44:32,028 INFO L324 seRefinementStrategy]: Number of different interpolants: perfect sequences [] imperfect sequences [233] total 233 [2018-07-23 13:44:32,028 INFO L142 lantAutomatonBuilder]: Constructing canonical interpolant automaton, with selfloop in false state [2018-07-23 13:44:32,028 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2018-07-23 13:44:32,028 INFO L185 omatonBuilderFactory]: Interpolants [139266#(<= ULTIMATE.start_main_~x~4 394), 139267#(<= ULTIMATE.start_main_~x~4 396), 139264#(<= ULTIMATE.start_main_~x~4 390), 139265#(<= ULTIMATE.start_main_~x~4 392), 139270#(<= ULTIMATE.start_main_~x~4 402), 139271#(<= ULTIMATE.start_main_~x~4 404), 139268#(<= ULTIMATE.start_main_~x~4 398), 139269#(<= ULTIMATE.start_main_~x~4 400), 139274#(<= ULTIMATE.start_main_~x~4 410), 139275#(<= ULTIMATE.start_main_~x~4 412), 139272#(<= ULTIMATE.start_main_~x~4 406), 139273#(<= ULTIMATE.start_main_~x~4 408), 139278#(<= ULTIMATE.start_main_~x~4 418), 139279#(<= ULTIMATE.start_main_~x~4 420), 139276#(<= ULTIMATE.start_main_~x~4 414), 139277#(<= ULTIMATE.start_main_~x~4 416), 139282#(<= ULTIMATE.start_main_~x~4 426), 139283#(<= ULTIMATE.start_main_~x~4 428), 139280#(<= ULTIMATE.start_main_~x~4 422), 139281#(<= ULTIMATE.start_main_~x~4 424), 139286#(<= ULTIMATE.start_main_~x~4 434), 139287#(<= ULTIMATE.start_main_~x~4 436), 139284#(<= ULTIMATE.start_main_~x~4 430), 139285#(<= ULTIMATE.start_main_~x~4 432), 139290#(<= ULTIMATE.start_main_~x~4 442), 139291#(<= ULTIMATE.start_main_~x~4 444), 139288#(<= ULTIMATE.start_main_~x~4 438), 139289#(<= ULTIMATE.start_main_~x~4 440), 139294#(<= ULTIMATE.start_main_~x~4 450), 139295#(<= ULTIMATE.start_main_~x~4 452), 139292#(<= ULTIMATE.start_main_~x~4 446), 139293#(<= ULTIMATE.start_main_~x~4 448), 139298#(<= ULTIMATE.start_main_~x~4 458), 139299#(<= ULTIMATE.start_main_~x~4 460), 139296#(<= ULTIMATE.start_main_~x~4 454), 139297#(<= ULTIMATE.start_main_~x~4 456), 139302#(<= ULTIMATE.start_main_~x~4 466), 139303#(<= ULTIMATE.start_main_~x~4 468), 139300#(<= ULTIMATE.start_main_~x~4 462), 139301#(<= ULTIMATE.start_main_~x~4 464), 139304#(<= ULTIMATE.start_main_~x~4 470), 139305#(<= ULTIMATE.start_main_~x~4 472), 139074#(<= ULTIMATE.start_main_~x~4 10), 139075#(<= ULTIMATE.start_main_~x~4 12), 139072#true, 139073#false, 139078#(<= ULTIMATE.start_main_~x~4 18), 139079#(<= ULTIMATE.start_main_~x~4 20), 139076#(<= ULTIMATE.start_main_~x~4 14), 139077#(<= ULTIMATE.start_main_~x~4 16), 139082#(<= ULTIMATE.start_main_~x~4 26), 139083#(<= ULTIMATE.start_main_~x~4 28), 139080#(<= ULTIMATE.start_main_~x~4 22), 139081#(<= ULTIMATE.start_main_~x~4 24), 139086#(<= ULTIMATE.start_main_~x~4 34), 139087#(<= ULTIMATE.start_main_~x~4 36), 139084#(<= ULTIMATE.start_main_~x~4 30), 139085#(<= ULTIMATE.start_main_~x~4 32), 139090#(<= ULTIMATE.start_main_~x~4 42), 139091#(<= ULTIMATE.start_main_~x~4 44), 139088#(<= ULTIMATE.start_main_~x~4 38), 139089#(<= ULTIMATE.start_main_~x~4 40), 139094#(<= ULTIMATE.start_main_~x~4 50), 139095#(<= ULTIMATE.start_main_~x~4 52), 139092#(<= ULTIMATE.start_main_~x~4 46), 139093#(<= ULTIMATE.start_main_~x~4 48), 139098#(<= ULTIMATE.start_main_~x~4 58), 139099#(<= ULTIMATE.start_main_~x~4 60), 139096#(<= ULTIMATE.start_main_~x~4 54), 139097#(<= ULTIMATE.start_main_~x~4 56), 139102#(<= ULTIMATE.start_main_~x~4 66), 139103#(<= ULTIMATE.start_main_~x~4 68), 139100#(<= ULTIMATE.start_main_~x~4 62), 139101#(<= ULTIMATE.start_main_~x~4 64), 139106#(<= ULTIMATE.start_main_~x~4 74), 139107#(<= ULTIMATE.start_main_~x~4 76), 139104#(<= ULTIMATE.start_main_~x~4 70), 139105#(<= ULTIMATE.start_main_~x~4 72), 139110#(<= ULTIMATE.start_main_~x~4 82), 139111#(<= ULTIMATE.start_main_~x~4 84), 139108#(<= ULTIMATE.start_main_~x~4 78), 139109#(<= ULTIMATE.start_main_~x~4 80), 139114#(<= ULTIMATE.start_main_~x~4 90), 139115#(<= ULTIMATE.start_main_~x~4 92), 139112#(<= ULTIMATE.start_main_~x~4 86), 139113#(<= ULTIMATE.start_main_~x~4 88), 139118#(<= ULTIMATE.start_main_~x~4 98), 139119#(<= ULTIMATE.start_main_~x~4 100), 139116#(<= ULTIMATE.start_main_~x~4 94), 139117#(<= ULTIMATE.start_main_~x~4 96), 139122#(<= ULTIMATE.start_main_~x~4 106), 139123#(<= ULTIMATE.start_main_~x~4 108), 139120#(<= ULTIMATE.start_main_~x~4 102), 139121#(<= ULTIMATE.start_main_~x~4 104), 139126#(<= ULTIMATE.start_main_~x~4 114), 139127#(<= ULTIMATE.start_main_~x~4 116), 139124#(<= ULTIMATE.start_main_~x~4 110), 139125#(<= ULTIMATE.start_main_~x~4 112), 139130#(<= ULTIMATE.start_main_~x~4 122), 139131#(<= ULTIMATE.start_main_~x~4 124), 139128#(<= ULTIMATE.start_main_~x~4 118), 139129#(<= ULTIMATE.start_main_~x~4 120), 139134#(<= ULTIMATE.start_main_~x~4 130), 139135#(<= ULTIMATE.start_main_~x~4 132), 139132#(<= ULTIMATE.start_main_~x~4 126), 139133#(<= ULTIMATE.start_main_~x~4 128), 139138#(<= ULTIMATE.start_main_~x~4 138), 139139#(<= ULTIMATE.start_main_~x~4 140), 139136#(<= ULTIMATE.start_main_~x~4 134), 139137#(<= ULTIMATE.start_main_~x~4 136), 139142#(<= ULTIMATE.start_main_~x~4 146), 139143#(<= ULTIMATE.start_main_~x~4 148), 139140#(<= ULTIMATE.start_main_~x~4 142), 139141#(<= ULTIMATE.start_main_~x~4 144), 139146#(<= ULTIMATE.start_main_~x~4 154), 139147#(<= ULTIMATE.start_main_~x~4 156), 139144#(<= ULTIMATE.start_main_~x~4 150), 139145#(<= ULTIMATE.start_main_~x~4 152), 139150#(<= ULTIMATE.start_main_~x~4 162), 139151#(<= ULTIMATE.start_main_~x~4 164), 139148#(<= ULTIMATE.start_main_~x~4 158), 139149#(<= ULTIMATE.start_main_~x~4 160), 139154#(<= ULTIMATE.start_main_~x~4 170), 139155#(<= ULTIMATE.start_main_~x~4 172), 139152#(<= ULTIMATE.start_main_~x~4 166), 139153#(<= ULTIMATE.start_main_~x~4 168), 139158#(<= ULTIMATE.start_main_~x~4 178), 139159#(<= ULTIMATE.start_main_~x~4 180), 139156#(<= ULTIMATE.start_main_~x~4 174), 139157#(<= ULTIMATE.start_main_~x~4 176), 139162#(<= ULTIMATE.start_main_~x~4 186), 139163#(<= ULTIMATE.start_main_~x~4 188), 139160#(<= ULTIMATE.start_main_~x~4 182), 139161#(<= ULTIMATE.start_main_~x~4 184), 139166#(<= ULTIMATE.start_main_~x~4 194), 139167#(<= ULTIMATE.start_main_~x~4 196), 139164#(<= ULTIMATE.start_main_~x~4 190), 139165#(<= ULTIMATE.start_main_~x~4 192), 139170#(<= ULTIMATE.start_main_~x~4 202), 139171#(<= ULTIMATE.start_main_~x~4 204), 139168#(<= ULTIMATE.start_main_~x~4 198), 139169#(<= ULTIMATE.start_main_~x~4 200), 139174#(<= ULTIMATE.start_main_~x~4 210), 139175#(<= ULTIMATE.start_main_~x~4 212), 139172#(<= ULTIMATE.start_main_~x~4 206), 139173#(<= ULTIMATE.start_main_~x~4 208), 139178#(<= ULTIMATE.start_main_~x~4 218), 139179#(<= ULTIMATE.start_main_~x~4 220), 139176#(<= ULTIMATE.start_main_~x~4 214), 139177#(<= ULTIMATE.start_main_~x~4 216), 139182#(<= ULTIMATE.start_main_~x~4 226), 139183#(<= ULTIMATE.start_main_~x~4 228), 139180#(<= ULTIMATE.start_main_~x~4 222), 139181#(<= ULTIMATE.start_main_~x~4 224), 139186#(<= ULTIMATE.start_main_~x~4 234), 139187#(<= ULTIMATE.start_main_~x~4 236), 139184#(<= ULTIMATE.start_main_~x~4 230), 139185#(<= ULTIMATE.start_main_~x~4 232), 139190#(<= ULTIMATE.start_main_~x~4 242), 139191#(<= ULTIMATE.start_main_~x~4 244), 139188#(<= ULTIMATE.start_main_~x~4 238), 139189#(<= ULTIMATE.start_main_~x~4 240), 139194#(<= ULTIMATE.start_main_~x~4 250), 139195#(<= ULTIMATE.start_main_~x~4 252), 139192#(<= ULTIMATE.start_main_~x~4 246), 139193#(<= ULTIMATE.start_main_~x~4 248), 139198#(<= ULTIMATE.start_main_~x~4 258), 139199#(<= ULTIMATE.start_main_~x~4 260), 139196#(<= ULTIMATE.start_main_~x~4 254), 139197#(<= ULTIMATE.start_main_~x~4 256), 139202#(<= ULTIMATE.start_main_~x~4 266), 139203#(<= ULTIMATE.start_main_~x~4 268), 139200#(<= ULTIMATE.start_main_~x~4 262), 139201#(<= ULTIMATE.start_main_~x~4 264), 139206#(<= ULTIMATE.start_main_~x~4 274), 139207#(<= ULTIMATE.start_main_~x~4 276), 139204#(<= ULTIMATE.start_main_~x~4 270), 139205#(<= ULTIMATE.start_main_~x~4 272), 139210#(<= ULTIMATE.start_main_~x~4 282), 139211#(<= ULTIMATE.start_main_~x~4 284), 139208#(<= ULTIMATE.start_main_~x~4 278), 139209#(<= ULTIMATE.start_main_~x~4 280), 139214#(<= ULTIMATE.start_main_~x~4 290), 139215#(<= ULTIMATE.start_main_~x~4 292), 139212#(<= ULTIMATE.start_main_~x~4 286), 139213#(<= ULTIMATE.start_main_~x~4 288), 139218#(<= ULTIMATE.start_main_~x~4 298), 139219#(<= ULTIMATE.start_main_~x~4 300), 139216#(<= ULTIMATE.start_main_~x~4 294), 139217#(<= ULTIMATE.start_main_~x~4 296), 139222#(<= ULTIMATE.start_main_~x~4 306), 139223#(<= ULTIMATE.start_main_~x~4 308), 139220#(<= ULTIMATE.start_main_~x~4 302), 139221#(<= ULTIMATE.start_main_~x~4 304), 139226#(<= ULTIMATE.start_main_~x~4 314), 139227#(<= ULTIMATE.start_main_~x~4 316), 139224#(<= ULTIMATE.start_main_~x~4 310), 139225#(<= ULTIMATE.start_main_~x~4 312), 139230#(<= ULTIMATE.start_main_~x~4 322), 139231#(<= ULTIMATE.start_main_~x~4 324), 139228#(<= ULTIMATE.start_main_~x~4 318), 139229#(<= ULTIMATE.start_main_~x~4 320), 139234#(<= ULTIMATE.start_main_~x~4 330), 139235#(<= ULTIMATE.start_main_~x~4 332), 139232#(<= ULTIMATE.start_main_~x~4 326), 139233#(<= ULTIMATE.start_main_~x~4 328), 139238#(<= ULTIMATE.start_main_~x~4 338), 139239#(<= ULTIMATE.start_main_~x~4 340), 139236#(<= ULTIMATE.start_main_~x~4 334), 139237#(<= ULTIMATE.start_main_~x~4 336), 139242#(<= ULTIMATE.start_main_~x~4 346), 139243#(<= ULTIMATE.start_main_~x~4 348), 139240#(<= ULTIMATE.start_main_~x~4 342), 139241#(<= ULTIMATE.start_main_~x~4 344), 139246#(<= ULTIMATE.start_main_~x~4 354), 139247#(<= ULTIMATE.start_main_~x~4 356), 139244#(<= ULTIMATE.start_main_~x~4 350), 139245#(<= ULTIMATE.start_main_~x~4 352), 139250#(<= ULTIMATE.start_main_~x~4 362), 139251#(<= ULTIMATE.start_main_~x~4 364), 139248#(<= ULTIMATE.start_main_~x~4 358), 139249#(<= ULTIMATE.start_main_~x~4 360), 139254#(<= ULTIMATE.start_main_~x~4 370), 139255#(<= ULTIMATE.start_main_~x~4 372), 139252#(<= ULTIMATE.start_main_~x~4 366), 139253#(<= ULTIMATE.start_main_~x~4 368), 139258#(<= ULTIMATE.start_main_~x~4 378), 139259#(<= ULTIMATE.start_main_~x~4 380), 139256#(<= ULTIMATE.start_main_~x~4 374), 139257#(<= ULTIMATE.start_main_~x~4 376), 139262#(<= ULTIMATE.start_main_~x~4 386), 139263#(<= ULTIMATE.start_main_~x~4 388), 139260#(<= ULTIMATE.start_main_~x~4 382), 139261#(<= ULTIMATE.start_main_~x~4 384)] [2018-07-23 13:44:32,030 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 13:44:32,030 INFO L450 AbstractCegarLoop]: Interpolant automaton has 234 states [2018-07-23 13:44:32,034 INFO L132 InterpolantAutomaton]: Constructing interpolant automaton starting with 234 interpolants. [2018-07-23 13:44:32,037 INFO L133 InterpolantAutomaton]: CoverageRelationStatistics Valid=27261, Invalid=27261, Unknown=0, NotChecked=0, Total=54522 [2018-07-23 13:44:32,038 INFO L87 Difference]: Start difference. First operand 235 states and 235 transitions. Second operand 234 states. [2018-07-23 13:44:33,228 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2018-07-23 13:44:33,228 INFO L93 Difference]: Finished difference Result 238 states and 238 transitions. [2018-07-23 13:44:33,228 INFO L142 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 234 states. [2018-07-23 13:44:33,229 INFO L78 Accepts]: Start accepts. Automaton has 234 states. Word has length 234 [2018-07-23 13:44:33,229 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2018-07-23 13:44:33,229 INFO L225 Difference]: With dead ends: 238 [2018-07-23 13:44:33,229 INFO L226 Difference]: Without dead ends: 236 [2018-07-23 13:44:33,234 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 13:44:33,234 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 236 states. [2018-07-23 13:44:33,236 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 236 to 236. [2018-07-23 13:44:33,236 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 236 states. [2018-07-23 13:44:33,236 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 236 states to 236 states and 236 transitions. [2018-07-23 13:44:33,236 INFO L78 Accepts]: Start accepts. Automaton has 236 states and 236 transitions. Word has length 234 [2018-07-23 13:44:33,237 INFO L84 Accepts]: Finished accepts. word is rejected. [2018-07-23 13:44:33,237 INFO L471 AbstractCegarLoop]: Abstraction has 236 states and 236 transitions. [2018-07-23 13:44:33,237 INFO L472 AbstractCegarLoop]: Interpolant automaton has 234 states. [2018-07-23 13:44:33,237 INFO L276 IsEmpty]: Start isEmpty. Operand 236 states and 236 transitions. [2018-07-23 13:44:33,237 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 236 [2018-07-23 13:44:33,237 INFO L349 BasicCegarLoop]: Found error trace [2018-07-23 13:44:33,238 INFO L357 BasicCegarLoop]: trace histogram [232, 1, 1, 1] [2018-07-23 13:44:33,238 INFO L414 AbstractCegarLoop]: === Iteration 233 === [ULTIMATE.startErr0AssertViolationASSERT]=== [2018-07-23 13:44:33,238 INFO L82 PathProgramCache]: Analyzing trace with hash 1936849601, now seen corresponding path program 232 times [2018-07-23 13:44:33,238 INFO L69 tionRefinementEngine]: Using refinement strategy FixedRefinementStrategy [2018-07-23 13:44:33,257 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-07-23 13:44:34,561 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 13:44:34,562 INFO L309 seRefinementStrategy]: Constructing automaton from 0 perfect and 1 imperfect interpolant sequences. [2018-07-23 13:44:34,562 INFO L324 seRefinementStrategy]: Number of different interpolants: perfect sequences [] imperfect sequences [234] total 234 [2018-07-23 13:44:34,562 INFO L142 lantAutomatonBuilder]: Constructing canonical interpolant automaton, with selfloop in false state [2018-07-23 13:44:34,562 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2018-07-23 13:44:34,563 INFO L185 omatonBuilderFactory]: Interpolants [140290#(<= ULTIMATE.start_main_~x~4 78), 140291#(<= ULTIMATE.start_main_~x~4 80), 140288#(<= ULTIMATE.start_main_~x~4 74), 140289#(<= ULTIMATE.start_main_~x~4 76), 140294#(<= ULTIMATE.start_main_~x~4 86), 140295#(<= ULTIMATE.start_main_~x~4 88), 140292#(<= ULTIMATE.start_main_~x~4 82), 140293#(<= ULTIMATE.start_main_~x~4 84), 140298#(<= ULTIMATE.start_main_~x~4 94), 140299#(<= ULTIMATE.start_main_~x~4 96), 140296#(<= ULTIMATE.start_main_~x~4 90), 140297#(<= ULTIMATE.start_main_~x~4 92), 140302#(<= ULTIMATE.start_main_~x~4 102), 140303#(<= ULTIMATE.start_main_~x~4 104), 140300#(<= ULTIMATE.start_main_~x~4 98), 140301#(<= ULTIMATE.start_main_~x~4 100), 140306#(<= ULTIMATE.start_main_~x~4 110), 140307#(<= ULTIMATE.start_main_~x~4 112), 140304#(<= ULTIMATE.start_main_~x~4 106), 140305#(<= ULTIMATE.start_main_~x~4 108), 140310#(<= ULTIMATE.start_main_~x~4 118), 140311#(<= ULTIMATE.start_main_~x~4 120), 140308#(<= ULTIMATE.start_main_~x~4 114), 140309#(<= ULTIMATE.start_main_~x~4 116), 140314#(<= ULTIMATE.start_main_~x~4 126), 140315#(<= ULTIMATE.start_main_~x~4 128), 140312#(<= ULTIMATE.start_main_~x~4 122), 140313#(<= ULTIMATE.start_main_~x~4 124), 140318#(<= ULTIMATE.start_main_~x~4 134), 140319#(<= ULTIMATE.start_main_~x~4 136), 140316#(<= ULTIMATE.start_main_~x~4 130), 140317#(<= ULTIMATE.start_main_~x~4 132), 140322#(<= ULTIMATE.start_main_~x~4 142), 140323#(<= ULTIMATE.start_main_~x~4 144), 140320#(<= ULTIMATE.start_main_~x~4 138), 140321#(<= ULTIMATE.start_main_~x~4 140), 140326#(<= ULTIMATE.start_main_~x~4 150), 140327#(<= ULTIMATE.start_main_~x~4 152), 140324#(<= ULTIMATE.start_main_~x~4 146), 140325#(<= ULTIMATE.start_main_~x~4 148), 140330#(<= ULTIMATE.start_main_~x~4 158), 140331#(<= ULTIMATE.start_main_~x~4 160), 140328#(<= ULTIMATE.start_main_~x~4 154), 140329#(<= ULTIMATE.start_main_~x~4 156), 140334#(<= ULTIMATE.start_main_~x~4 166), 140335#(<= ULTIMATE.start_main_~x~4 168), 140332#(<= ULTIMATE.start_main_~x~4 162), 140333#(<= ULTIMATE.start_main_~x~4 164), 140338#(<= ULTIMATE.start_main_~x~4 174), 140339#(<= ULTIMATE.start_main_~x~4 176), 140336#(<= ULTIMATE.start_main_~x~4 170), 140337#(<= ULTIMATE.start_main_~x~4 172), 140342#(<= ULTIMATE.start_main_~x~4 182), 140343#(<= ULTIMATE.start_main_~x~4 184), 140340#(<= ULTIMATE.start_main_~x~4 178), 140341#(<= ULTIMATE.start_main_~x~4 180), 140346#(<= ULTIMATE.start_main_~x~4 190), 140347#(<= ULTIMATE.start_main_~x~4 192), 140344#(<= ULTIMATE.start_main_~x~4 186), 140345#(<= ULTIMATE.start_main_~x~4 188), 140350#(<= ULTIMATE.start_main_~x~4 198), 140351#(<= ULTIMATE.start_main_~x~4 200), 140348#(<= ULTIMATE.start_main_~x~4 194), 140349#(<= ULTIMATE.start_main_~x~4 196), 140354#(<= ULTIMATE.start_main_~x~4 206), 140355#(<= ULTIMATE.start_main_~x~4 208), 140352#(<= ULTIMATE.start_main_~x~4 202), 140353#(<= ULTIMATE.start_main_~x~4 204), 140358#(<= ULTIMATE.start_main_~x~4 214), 140359#(<= ULTIMATE.start_main_~x~4 216), 140356#(<= ULTIMATE.start_main_~x~4 210), 140357#(<= ULTIMATE.start_main_~x~4 212), 140362#(<= ULTIMATE.start_main_~x~4 222), 140363#(<= ULTIMATE.start_main_~x~4 224), 140360#(<= ULTIMATE.start_main_~x~4 218), 140361#(<= ULTIMATE.start_main_~x~4 220), 140366#(<= ULTIMATE.start_main_~x~4 230), 140367#(<= ULTIMATE.start_main_~x~4 232), 140364#(<= ULTIMATE.start_main_~x~4 226), 140365#(<= ULTIMATE.start_main_~x~4 228), 140370#(<= ULTIMATE.start_main_~x~4 238), 140371#(<= ULTIMATE.start_main_~x~4 240), 140368#(<= ULTIMATE.start_main_~x~4 234), 140369#(<= ULTIMATE.start_main_~x~4 236), 140374#(<= ULTIMATE.start_main_~x~4 246), 140375#(<= ULTIMATE.start_main_~x~4 248), 140372#(<= ULTIMATE.start_main_~x~4 242), 140373#(<= ULTIMATE.start_main_~x~4 244), 140378#(<= ULTIMATE.start_main_~x~4 254), 140379#(<= ULTIMATE.start_main_~x~4 256), 140376#(<= ULTIMATE.start_main_~x~4 250), 140377#(<= ULTIMATE.start_main_~x~4 252), 140382#(<= ULTIMATE.start_main_~x~4 262), 140383#(<= ULTIMATE.start_main_~x~4 264), 140380#(<= ULTIMATE.start_main_~x~4 258), 140381#(<= ULTIMATE.start_main_~x~4 260), 140386#(<= ULTIMATE.start_main_~x~4 270), 140387#(<= ULTIMATE.start_main_~x~4 272), 140384#(<= ULTIMATE.start_main_~x~4 266), 140385#(<= ULTIMATE.start_main_~x~4 268), 140390#(<= ULTIMATE.start_main_~x~4 278), 140391#(<= ULTIMATE.start_main_~x~4 280), 140388#(<= ULTIMATE.start_main_~x~4 274), 140389#(<= ULTIMATE.start_main_~x~4 276), 140394#(<= ULTIMATE.start_main_~x~4 286), 140395#(<= ULTIMATE.start_main_~x~4 288), 140392#(<= ULTIMATE.start_main_~x~4 282), 140393#(<= ULTIMATE.start_main_~x~4 284), 140398#(<= ULTIMATE.start_main_~x~4 294), 140399#(<= ULTIMATE.start_main_~x~4 296), 140396#(<= ULTIMATE.start_main_~x~4 290), 140397#(<= ULTIMATE.start_main_~x~4 292), 140402#(<= ULTIMATE.start_main_~x~4 302), 140403#(<= ULTIMATE.start_main_~x~4 304), 140400#(<= ULTIMATE.start_main_~x~4 298), 140401#(<= ULTIMATE.start_main_~x~4 300), 140406#(<= ULTIMATE.start_main_~x~4 310), 140407#(<= ULTIMATE.start_main_~x~4 312), 140404#(<= ULTIMATE.start_main_~x~4 306), 140405#(<= ULTIMATE.start_main_~x~4 308), 140410#(<= ULTIMATE.start_main_~x~4 318), 140411#(<= ULTIMATE.start_main_~x~4 320), 140408#(<= ULTIMATE.start_main_~x~4 314), 140409#(<= ULTIMATE.start_main_~x~4 316), 140414#(<= ULTIMATE.start_main_~x~4 326), 140415#(<= ULTIMATE.start_main_~x~4 328), 140412#(<= ULTIMATE.start_main_~x~4 322), 140413#(<= ULTIMATE.start_main_~x~4 324), 140418#(<= ULTIMATE.start_main_~x~4 334), 140419#(<= ULTIMATE.start_main_~x~4 336), 140416#(<= ULTIMATE.start_main_~x~4 330), 140417#(<= ULTIMATE.start_main_~x~4 332), 140422#(<= ULTIMATE.start_main_~x~4 342), 140423#(<= ULTIMATE.start_main_~x~4 344), 140420#(<= ULTIMATE.start_main_~x~4 338), 140421#(<= ULTIMATE.start_main_~x~4 340), 140426#(<= ULTIMATE.start_main_~x~4 350), 140427#(<= ULTIMATE.start_main_~x~4 352), 140424#(<= ULTIMATE.start_main_~x~4 346), 140425#(<= ULTIMATE.start_main_~x~4 348), 140430#(<= ULTIMATE.start_main_~x~4 358), 140431#(<= ULTIMATE.start_main_~x~4 360), 140428#(<= ULTIMATE.start_main_~x~4 354), 140429#(<= ULTIMATE.start_main_~x~4 356), 140434#(<= ULTIMATE.start_main_~x~4 366), 140435#(<= ULTIMATE.start_main_~x~4 368), 140432#(<= ULTIMATE.start_main_~x~4 362), 140433#(<= ULTIMATE.start_main_~x~4 364), 140438#(<= ULTIMATE.start_main_~x~4 374), 140439#(<= ULTIMATE.start_main_~x~4 376), 140436#(<= ULTIMATE.start_main_~x~4 370), 140437#(<= ULTIMATE.start_main_~x~4 372), 140442#(<= ULTIMATE.start_main_~x~4 382), 140443#(<= ULTIMATE.start_main_~x~4 384), 140440#(<= ULTIMATE.start_main_~x~4 378), 140441#(<= ULTIMATE.start_main_~x~4 380), 140446#(<= ULTIMATE.start_main_~x~4 390), 140447#(<= ULTIMATE.start_main_~x~4 392), 140444#(<= ULTIMATE.start_main_~x~4 386), 140445#(<= ULTIMATE.start_main_~x~4 388), 140450#(<= ULTIMATE.start_main_~x~4 398), 140451#(<= ULTIMATE.start_main_~x~4 400), 140448#(<= ULTIMATE.start_main_~x~4 394), 140449#(<= ULTIMATE.start_main_~x~4 396), 140454#(<= ULTIMATE.start_main_~x~4 406), 140455#(<= ULTIMATE.start_main_~x~4 408), 140452#(<= ULTIMATE.start_main_~x~4 402), 140453#(<= ULTIMATE.start_main_~x~4 404), 140458#(<= ULTIMATE.start_main_~x~4 414), 140459#(<= ULTIMATE.start_main_~x~4 416), 140456#(<= ULTIMATE.start_main_~x~4 410), 140457#(<= ULTIMATE.start_main_~x~4 412), 140462#(<= ULTIMATE.start_main_~x~4 422), 140463#(<= ULTIMATE.start_main_~x~4 424), 140460#(<= ULTIMATE.start_main_~x~4 418), 140461#(<= ULTIMATE.start_main_~x~4 420), 140466#(<= ULTIMATE.start_main_~x~4 430), 140467#(<= ULTIMATE.start_main_~x~4 432), 140464#(<= ULTIMATE.start_main_~x~4 426), 140465#(<= ULTIMATE.start_main_~x~4 428), 140470#(<= ULTIMATE.start_main_~x~4 438), 140471#(<= ULTIMATE.start_main_~x~4 440), 140468#(<= ULTIMATE.start_main_~x~4 434), 140469#(<= ULTIMATE.start_main_~x~4 436), 140474#(<= ULTIMATE.start_main_~x~4 446), 140475#(<= ULTIMATE.start_main_~x~4 448), 140472#(<= ULTIMATE.start_main_~x~4 442), 140473#(<= ULTIMATE.start_main_~x~4 444), 140478#(<= ULTIMATE.start_main_~x~4 454), 140479#(<= ULTIMATE.start_main_~x~4 456), 140476#(<= ULTIMATE.start_main_~x~4 450), 140477#(<= ULTIMATE.start_main_~x~4 452), 140482#(<= ULTIMATE.start_main_~x~4 462), 140483#(<= ULTIMATE.start_main_~x~4 464), 140480#(<= ULTIMATE.start_main_~x~4 458), 140481#(<= ULTIMATE.start_main_~x~4 460), 140486#(<= ULTIMATE.start_main_~x~4 470), 140487#(<= ULTIMATE.start_main_~x~4 472), 140484#(<= ULTIMATE.start_main_~x~4 466), 140485#(<= ULTIMATE.start_main_~x~4 468), 140488#(<= ULTIMATE.start_main_~x~4 474), 140254#true, 140255#false, 140258#(<= ULTIMATE.start_main_~x~4 14), 140259#(<= ULTIMATE.start_main_~x~4 16), 140256#(<= ULTIMATE.start_main_~x~4 10), 140257#(<= ULTIMATE.start_main_~x~4 12), 140262#(<= ULTIMATE.start_main_~x~4 22), 140263#(<= ULTIMATE.start_main_~x~4 24), 140260#(<= ULTIMATE.start_main_~x~4 18), 140261#(<= ULTIMATE.start_main_~x~4 20), 140266#(<= ULTIMATE.start_main_~x~4 30), 140267#(<= ULTIMATE.start_main_~x~4 32), 140264#(<= ULTIMATE.start_main_~x~4 26), 140265#(<= ULTIMATE.start_main_~x~4 28), 140270#(<= ULTIMATE.start_main_~x~4 38), 140271#(<= ULTIMATE.start_main_~x~4 40), 140268#(<= ULTIMATE.start_main_~x~4 34), 140269#(<= ULTIMATE.start_main_~x~4 36), 140274#(<= ULTIMATE.start_main_~x~4 46), 140275#(<= ULTIMATE.start_main_~x~4 48), 140272#(<= ULTIMATE.start_main_~x~4 42), 140273#(<= ULTIMATE.start_main_~x~4 44), 140278#(<= ULTIMATE.start_main_~x~4 54), 140279#(<= ULTIMATE.start_main_~x~4 56), 140276#(<= ULTIMATE.start_main_~x~4 50), 140277#(<= ULTIMATE.start_main_~x~4 52), 140282#(<= ULTIMATE.start_main_~x~4 62), 140283#(<= ULTIMATE.start_main_~x~4 64), 140280#(<= ULTIMATE.start_main_~x~4 58), 140281#(<= ULTIMATE.start_main_~x~4 60), 140286#(<= ULTIMATE.start_main_~x~4 70), 140287#(<= ULTIMATE.start_main_~x~4 72), 140284#(<= ULTIMATE.start_main_~x~4 66), 140285#(<= ULTIMATE.start_main_~x~4 68)] [2018-07-23 13:44:34,564 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 13:44:34,565 INFO L450 AbstractCegarLoop]: Interpolant automaton has 235 states [2018-07-23 13:44:34,569 INFO L132 InterpolantAutomaton]: Constructing interpolant automaton starting with 235 interpolants. [2018-07-23 13:44:34,573 INFO L133 InterpolantAutomaton]: CoverageRelationStatistics Valid=27495, Invalid=27495, Unknown=0, NotChecked=0, Total=54990 [2018-07-23 13:44:34,573 INFO L87 Difference]: Start difference. First operand 236 states and 236 transitions. Second operand 235 states. [2018-07-23 13:44:36,490 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2018-07-23 13:44:36,490 INFO L93 Difference]: Finished difference Result 239 states and 239 transitions. [2018-07-23 13:44:36,490 INFO L142 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 235 states. [2018-07-23 13:44:36,491 INFO L78 Accepts]: Start accepts. Automaton has 235 states. Word has length 235 [2018-07-23 13:44:36,491 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2018-07-23 13:44:36,491 INFO L225 Difference]: With dead ends: 239 [2018-07-23 13:44:36,491 INFO L226 Difference]: Without dead ends: 237 [2018-07-23 13:44:36,496 INFO L575 BasicCegarLoop]: 0 DeclaredPredicates, 234 GetRequests, 1 SyntacticMatches, 0 SemanticMatches, 233 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 0 ImplicationChecksByTransitivity, 1.2s TimeCoverageRelationStatistics Valid=27495, Invalid=27495, Unknown=0, NotChecked=0, Total=54990 [2018-07-23 13:44:36,496 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 237 states. [2018-07-23 13:44:36,498 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 237 to 237. [2018-07-23 13:44:36,498 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 237 states. [2018-07-23 13:44:36,499 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 237 states to 237 states and 237 transitions. [2018-07-23 13:44:36,499 INFO L78 Accepts]: Start accepts. Automaton has 237 states and 237 transitions. Word has length 235 [2018-07-23 13:44:36,499 INFO L84 Accepts]: Finished accepts. word is rejected. [2018-07-23 13:44:36,499 INFO L471 AbstractCegarLoop]: Abstraction has 237 states and 237 transitions. [2018-07-23 13:44:36,499 INFO L472 AbstractCegarLoop]: Interpolant automaton has 235 states. [2018-07-23 13:44:36,499 INFO L276 IsEmpty]: Start isEmpty. Operand 237 states and 237 transitions. [2018-07-23 13:44:36,500 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 237 [2018-07-23 13:44:36,500 INFO L349 BasicCegarLoop]: Found error trace [2018-07-23 13:44:36,500 INFO L357 BasicCegarLoop]: trace histogram [233, 1, 1, 1] [2018-07-23 13:44:36,500 INFO L414 AbstractCegarLoop]: === Iteration 234 === [ULTIMATE.startErr0AssertViolationASSERT]=== [2018-07-23 13:44:36,500 INFO L82 PathProgramCache]: Analyzing trace with hash -87206488, now seen corresponding path program 233 times [2018-07-23 13:44:36,500 INFO L69 tionRefinementEngine]: Using refinement strategy FixedRefinementStrategy [2018-07-23 13:44:36,521 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-07-23 13:44:37,806 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 13:44:37,806 INFO L309 seRefinementStrategy]: Constructing automaton from 0 perfect and 1 imperfect interpolant sequences. [2018-07-23 13:44:37,806 INFO L324 seRefinementStrategy]: Number of different interpolants: perfect sequences [] imperfect sequences [235] total 235 [2018-07-23 13:44:37,807 INFO L142 lantAutomatonBuilder]: Constructing canonical interpolant automaton, with selfloop in false state [2018-07-23 13:44:37,807 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2018-07-23 13:44:37,807 INFO L185 omatonBuilderFactory]: Interpolants [141442#false, 141443#(<= ULTIMATE.start_main_~x~4 10), 141441#true, 141446#(<= ULTIMATE.start_main_~x~4 16), 141447#(<= ULTIMATE.start_main_~x~4 18), 141444#(<= ULTIMATE.start_main_~x~4 12), 141445#(<= ULTIMATE.start_main_~x~4 14), 141450#(<= ULTIMATE.start_main_~x~4 24), 141451#(<= ULTIMATE.start_main_~x~4 26), 141448#(<= ULTIMATE.start_main_~x~4 20), 141449#(<= ULTIMATE.start_main_~x~4 22), 141454#(<= ULTIMATE.start_main_~x~4 32), 141455#(<= ULTIMATE.start_main_~x~4 34), 141452#(<= ULTIMATE.start_main_~x~4 28), 141453#(<= ULTIMATE.start_main_~x~4 30), 141458#(<= ULTIMATE.start_main_~x~4 40), 141459#(<= ULTIMATE.start_main_~x~4 42), 141456#(<= ULTIMATE.start_main_~x~4 36), 141457#(<= ULTIMATE.start_main_~x~4 38), 141462#(<= ULTIMATE.start_main_~x~4 48), 141463#(<= ULTIMATE.start_main_~x~4 50), 141460#(<= ULTIMATE.start_main_~x~4 44), 141461#(<= ULTIMATE.start_main_~x~4 46), 141466#(<= ULTIMATE.start_main_~x~4 56), 141467#(<= ULTIMATE.start_main_~x~4 58), 141464#(<= ULTIMATE.start_main_~x~4 52), 141465#(<= ULTIMATE.start_main_~x~4 54), 141470#(<= ULTIMATE.start_main_~x~4 64), 141471#(<= ULTIMATE.start_main_~x~4 66), 141468#(<= ULTIMATE.start_main_~x~4 60), 141469#(<= ULTIMATE.start_main_~x~4 62), 141474#(<= ULTIMATE.start_main_~x~4 72), 141475#(<= ULTIMATE.start_main_~x~4 74), 141472#(<= ULTIMATE.start_main_~x~4 68), 141473#(<= ULTIMATE.start_main_~x~4 70), 141478#(<= ULTIMATE.start_main_~x~4 80), 141479#(<= ULTIMATE.start_main_~x~4 82), 141476#(<= ULTIMATE.start_main_~x~4 76), 141477#(<= ULTIMATE.start_main_~x~4 78), 141482#(<= ULTIMATE.start_main_~x~4 88), 141483#(<= ULTIMATE.start_main_~x~4 90), 141480#(<= ULTIMATE.start_main_~x~4 84), 141481#(<= ULTIMATE.start_main_~x~4 86), 141486#(<= ULTIMATE.start_main_~x~4 96), 141487#(<= ULTIMATE.start_main_~x~4 98), 141484#(<= ULTIMATE.start_main_~x~4 92), 141485#(<= ULTIMATE.start_main_~x~4 94), 141490#(<= ULTIMATE.start_main_~x~4 104), 141491#(<= ULTIMATE.start_main_~x~4 106), 141488#(<= ULTIMATE.start_main_~x~4 100), 141489#(<= ULTIMATE.start_main_~x~4 102), 141494#(<= ULTIMATE.start_main_~x~4 112), 141495#(<= ULTIMATE.start_main_~x~4 114), 141492#(<= ULTIMATE.start_main_~x~4 108), 141493#(<= ULTIMATE.start_main_~x~4 110), 141498#(<= ULTIMATE.start_main_~x~4 120), 141499#(<= ULTIMATE.start_main_~x~4 122), 141496#(<= ULTIMATE.start_main_~x~4 116), 141497#(<= ULTIMATE.start_main_~x~4 118), 141502#(<= ULTIMATE.start_main_~x~4 128), 141503#(<= ULTIMATE.start_main_~x~4 130), 141500#(<= ULTIMATE.start_main_~x~4 124), 141501#(<= ULTIMATE.start_main_~x~4 126), 141506#(<= ULTIMATE.start_main_~x~4 136), 141507#(<= ULTIMATE.start_main_~x~4 138), 141504#(<= ULTIMATE.start_main_~x~4 132), 141505#(<= ULTIMATE.start_main_~x~4 134), 141510#(<= ULTIMATE.start_main_~x~4 144), 141511#(<= ULTIMATE.start_main_~x~4 146), 141508#(<= ULTIMATE.start_main_~x~4 140), 141509#(<= ULTIMATE.start_main_~x~4 142), 141514#(<= ULTIMATE.start_main_~x~4 152), 141515#(<= ULTIMATE.start_main_~x~4 154), 141512#(<= ULTIMATE.start_main_~x~4 148), 141513#(<= ULTIMATE.start_main_~x~4 150), 141518#(<= ULTIMATE.start_main_~x~4 160), 141519#(<= ULTIMATE.start_main_~x~4 162), 141516#(<= ULTIMATE.start_main_~x~4 156), 141517#(<= ULTIMATE.start_main_~x~4 158), 141522#(<= ULTIMATE.start_main_~x~4 168), 141523#(<= ULTIMATE.start_main_~x~4 170), 141520#(<= ULTIMATE.start_main_~x~4 164), 141521#(<= ULTIMATE.start_main_~x~4 166), 141526#(<= ULTIMATE.start_main_~x~4 176), 141527#(<= ULTIMATE.start_main_~x~4 178), 141524#(<= ULTIMATE.start_main_~x~4 172), 141525#(<= ULTIMATE.start_main_~x~4 174), 141530#(<= ULTIMATE.start_main_~x~4 184), 141531#(<= ULTIMATE.start_main_~x~4 186), 141528#(<= ULTIMATE.start_main_~x~4 180), 141529#(<= ULTIMATE.start_main_~x~4 182), 141534#(<= ULTIMATE.start_main_~x~4 192), 141535#(<= ULTIMATE.start_main_~x~4 194), 141532#(<= ULTIMATE.start_main_~x~4 188), 141533#(<= ULTIMATE.start_main_~x~4 190), 141538#(<= ULTIMATE.start_main_~x~4 200), 141539#(<= ULTIMATE.start_main_~x~4 202), 141536#(<= ULTIMATE.start_main_~x~4 196), 141537#(<= ULTIMATE.start_main_~x~4 198), 141542#(<= ULTIMATE.start_main_~x~4 208), 141543#(<= ULTIMATE.start_main_~x~4 210), 141540#(<= ULTIMATE.start_main_~x~4 204), 141541#(<= ULTIMATE.start_main_~x~4 206), 141546#(<= ULTIMATE.start_main_~x~4 216), 141547#(<= ULTIMATE.start_main_~x~4 218), 141544#(<= ULTIMATE.start_main_~x~4 212), 141545#(<= ULTIMATE.start_main_~x~4 214), 141550#(<= ULTIMATE.start_main_~x~4 224), 141551#(<= ULTIMATE.start_main_~x~4 226), 141548#(<= ULTIMATE.start_main_~x~4 220), 141549#(<= ULTIMATE.start_main_~x~4 222), 141554#(<= ULTIMATE.start_main_~x~4 232), 141555#(<= ULTIMATE.start_main_~x~4 234), 141552#(<= ULTIMATE.start_main_~x~4 228), 141553#(<= ULTIMATE.start_main_~x~4 230), 141558#(<= ULTIMATE.start_main_~x~4 240), 141559#(<= ULTIMATE.start_main_~x~4 242), 141556#(<= ULTIMATE.start_main_~x~4 236), 141557#(<= ULTIMATE.start_main_~x~4 238), 141562#(<= ULTIMATE.start_main_~x~4 248), 141563#(<= ULTIMATE.start_main_~x~4 250), 141560#(<= ULTIMATE.start_main_~x~4 244), 141561#(<= ULTIMATE.start_main_~x~4 246), 141566#(<= ULTIMATE.start_main_~x~4 256), 141567#(<= ULTIMATE.start_main_~x~4 258), 141564#(<= ULTIMATE.start_main_~x~4 252), 141565#(<= ULTIMATE.start_main_~x~4 254), 141570#(<= ULTIMATE.start_main_~x~4 264), 141571#(<= ULTIMATE.start_main_~x~4 266), 141568#(<= ULTIMATE.start_main_~x~4 260), 141569#(<= ULTIMATE.start_main_~x~4 262), 141574#(<= ULTIMATE.start_main_~x~4 272), 141575#(<= ULTIMATE.start_main_~x~4 274), 141572#(<= ULTIMATE.start_main_~x~4 268), 141573#(<= ULTIMATE.start_main_~x~4 270), 141578#(<= ULTIMATE.start_main_~x~4 280), 141579#(<= ULTIMATE.start_main_~x~4 282), 141576#(<= ULTIMATE.start_main_~x~4 276), 141577#(<= ULTIMATE.start_main_~x~4 278), 141582#(<= ULTIMATE.start_main_~x~4 288), 141583#(<= ULTIMATE.start_main_~x~4 290), 141580#(<= ULTIMATE.start_main_~x~4 284), 141581#(<= ULTIMATE.start_main_~x~4 286), 141586#(<= ULTIMATE.start_main_~x~4 296), 141587#(<= ULTIMATE.start_main_~x~4 298), 141584#(<= ULTIMATE.start_main_~x~4 292), 141585#(<= ULTIMATE.start_main_~x~4 294), 141590#(<= ULTIMATE.start_main_~x~4 304), 141591#(<= ULTIMATE.start_main_~x~4 306), 141588#(<= ULTIMATE.start_main_~x~4 300), 141589#(<= ULTIMATE.start_main_~x~4 302), 141594#(<= ULTIMATE.start_main_~x~4 312), 141595#(<= ULTIMATE.start_main_~x~4 314), 141592#(<= ULTIMATE.start_main_~x~4 308), 141593#(<= ULTIMATE.start_main_~x~4 310), 141598#(<= ULTIMATE.start_main_~x~4 320), 141599#(<= ULTIMATE.start_main_~x~4 322), 141596#(<= ULTIMATE.start_main_~x~4 316), 141597#(<= ULTIMATE.start_main_~x~4 318), 141602#(<= ULTIMATE.start_main_~x~4 328), 141603#(<= ULTIMATE.start_main_~x~4 330), 141600#(<= ULTIMATE.start_main_~x~4 324), 141601#(<= ULTIMATE.start_main_~x~4 326), 141606#(<= ULTIMATE.start_main_~x~4 336), 141607#(<= ULTIMATE.start_main_~x~4 338), 141604#(<= ULTIMATE.start_main_~x~4 332), 141605#(<= ULTIMATE.start_main_~x~4 334), 141610#(<= ULTIMATE.start_main_~x~4 344), 141611#(<= ULTIMATE.start_main_~x~4 346), 141608#(<= ULTIMATE.start_main_~x~4 340), 141609#(<= ULTIMATE.start_main_~x~4 342), 141614#(<= ULTIMATE.start_main_~x~4 352), 141615#(<= ULTIMATE.start_main_~x~4 354), 141612#(<= ULTIMATE.start_main_~x~4 348), 141613#(<= ULTIMATE.start_main_~x~4 350), 141618#(<= ULTIMATE.start_main_~x~4 360), 141619#(<= ULTIMATE.start_main_~x~4 362), 141616#(<= ULTIMATE.start_main_~x~4 356), 141617#(<= ULTIMATE.start_main_~x~4 358), 141622#(<= ULTIMATE.start_main_~x~4 368), 141623#(<= ULTIMATE.start_main_~x~4 370), 141620#(<= ULTIMATE.start_main_~x~4 364), 141621#(<= ULTIMATE.start_main_~x~4 366), 141626#(<= ULTIMATE.start_main_~x~4 376), 141627#(<= ULTIMATE.start_main_~x~4 378), 141624#(<= ULTIMATE.start_main_~x~4 372), 141625#(<= ULTIMATE.start_main_~x~4 374), 141630#(<= ULTIMATE.start_main_~x~4 384), 141631#(<= ULTIMATE.start_main_~x~4 386), 141628#(<= ULTIMATE.start_main_~x~4 380), 141629#(<= ULTIMATE.start_main_~x~4 382), 141634#(<= ULTIMATE.start_main_~x~4 392), 141635#(<= ULTIMATE.start_main_~x~4 394), 141632#(<= ULTIMATE.start_main_~x~4 388), 141633#(<= ULTIMATE.start_main_~x~4 390), 141638#(<= ULTIMATE.start_main_~x~4 400), 141639#(<= ULTIMATE.start_main_~x~4 402), 141636#(<= ULTIMATE.start_main_~x~4 396), 141637#(<= ULTIMATE.start_main_~x~4 398), 141642#(<= ULTIMATE.start_main_~x~4 408), 141643#(<= ULTIMATE.start_main_~x~4 410), 141640#(<= ULTIMATE.start_main_~x~4 404), 141641#(<= ULTIMATE.start_main_~x~4 406), 141646#(<= ULTIMATE.start_main_~x~4 416), 141647#(<= ULTIMATE.start_main_~x~4 418), 141644#(<= ULTIMATE.start_main_~x~4 412), 141645#(<= ULTIMATE.start_main_~x~4 414), 141650#(<= ULTIMATE.start_main_~x~4 424), 141651#(<= ULTIMATE.start_main_~x~4 426), 141648#(<= ULTIMATE.start_main_~x~4 420), 141649#(<= ULTIMATE.start_main_~x~4 422), 141654#(<= ULTIMATE.start_main_~x~4 432), 141655#(<= ULTIMATE.start_main_~x~4 434), 141652#(<= ULTIMATE.start_main_~x~4 428), 141653#(<= ULTIMATE.start_main_~x~4 430), 141658#(<= ULTIMATE.start_main_~x~4 440), 141659#(<= ULTIMATE.start_main_~x~4 442), 141656#(<= ULTIMATE.start_main_~x~4 436), 141657#(<= ULTIMATE.start_main_~x~4 438), 141662#(<= ULTIMATE.start_main_~x~4 448), 141663#(<= ULTIMATE.start_main_~x~4 450), 141660#(<= ULTIMATE.start_main_~x~4 444), 141661#(<= ULTIMATE.start_main_~x~4 446), 141666#(<= ULTIMATE.start_main_~x~4 456), 141667#(<= ULTIMATE.start_main_~x~4 458), 141664#(<= ULTIMATE.start_main_~x~4 452), 141665#(<= ULTIMATE.start_main_~x~4 454), 141670#(<= ULTIMATE.start_main_~x~4 464), 141671#(<= ULTIMATE.start_main_~x~4 466), 141668#(<= ULTIMATE.start_main_~x~4 460), 141669#(<= ULTIMATE.start_main_~x~4 462), 141674#(<= ULTIMATE.start_main_~x~4 472), 141675#(<= ULTIMATE.start_main_~x~4 474), 141672#(<= ULTIMATE.start_main_~x~4 468), 141673#(<= ULTIMATE.start_main_~x~4 470), 141676#(<= ULTIMATE.start_main_~x~4 476)] [2018-07-23 13:44:37,809 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 13:44:37,809 INFO L450 AbstractCegarLoop]: Interpolant automaton has 236 states [2018-07-23 13:44:37,812 INFO L132 InterpolantAutomaton]: Constructing interpolant automaton starting with 236 interpolants. [2018-07-23 13:44:37,816 INFO L133 InterpolantAutomaton]: CoverageRelationStatistics Valid=27730, Invalid=27730, Unknown=0, NotChecked=0, Total=55460 [2018-07-23 13:44:37,816 INFO L87 Difference]: Start difference. First operand 237 states and 237 transitions. Second operand 236 states. [2018-07-23 13:44:39,167 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2018-07-23 13:44:39,167 INFO L93 Difference]: Finished difference Result 240 states and 240 transitions. [2018-07-23 13:44:39,167 INFO L142 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 236 states. [2018-07-23 13:44:39,167 INFO L78 Accepts]: Start accepts. Automaton has 236 states. Word has length 236 [2018-07-23 13:44:39,167 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2018-07-23 13:44:39,168 INFO L225 Difference]: With dead ends: 240 [2018-07-23 13:44:39,168 INFO L226 Difference]: Without dead ends: 238 [2018-07-23 13:44:39,172 INFO L575 BasicCegarLoop]: 0 DeclaredPredicates, 235 GetRequests, 1 SyntacticMatches, 0 SemanticMatches, 234 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 0 ImplicationChecksByTransitivity, 1.1s TimeCoverageRelationStatistics Valid=27730, Invalid=27730, Unknown=0, NotChecked=0, Total=55460 [2018-07-23 13:44:39,172 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 238 states. [2018-07-23 13:44:39,174 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 238 to 238. [2018-07-23 13:44:39,174 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 238 states. [2018-07-23 13:44:39,174 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 238 states to 238 states and 238 transitions. [2018-07-23 13:44:39,174 INFO L78 Accepts]: Start accepts. Automaton has 238 states and 238 transitions. Word has length 236 [2018-07-23 13:44:39,174 INFO L84 Accepts]: Finished accepts. word is rejected. [2018-07-23 13:44:39,175 INFO L471 AbstractCegarLoop]: Abstraction has 238 states and 238 transitions. [2018-07-23 13:44:39,175 INFO L472 AbstractCegarLoop]: Interpolant automaton has 236 states. [2018-07-23 13:44:39,175 INFO L276 IsEmpty]: Start isEmpty. Operand 238 states and 238 transitions. [2018-07-23 13:44:39,175 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 238 [2018-07-23 13:44:39,175 INFO L349 BasicCegarLoop]: Found error trace [2018-07-23 13:44:39,175 INFO L357 BasicCegarLoop]: trace histogram [234, 1, 1, 1] [2018-07-23 13:44:39,175 INFO L414 AbstractCegarLoop]: === Iteration 235 === [ULTIMATE.startErr0AssertViolationASSERT]=== [2018-07-23 13:44:39,176 INFO L82 PathProgramCache]: Analyzing trace with hash 1591564193, now seen corresponding path program 234 times [2018-07-23 13:44:39,176 INFO L69 tionRefinementEngine]: Using refinement strategy FixedRefinementStrategy [2018-07-23 13:44:39,194 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-07-23 13:44:40,382 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 13:44:40,383 INFO L309 seRefinementStrategy]: Constructing automaton from 0 perfect and 1 imperfect interpolant sequences. [2018-07-23 13:44:40,383 INFO L324 seRefinementStrategy]: Number of different interpolants: perfect sequences [] imperfect sequences [236] total 236 [2018-07-23 13:44:40,383 INFO L142 lantAutomatonBuilder]: Constructing canonical interpolant automaton, with selfloop in false state [2018-07-23 13:44:40,384 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2018-07-23 13:44:40,384 INFO L185 omatonBuilderFactory]: Interpolants [142850#(<= ULTIMATE.start_main_~x~4 440), 142851#(<= ULTIMATE.start_main_~x~4 442), 142848#(<= ULTIMATE.start_main_~x~4 436), 142849#(<= ULTIMATE.start_main_~x~4 438), 142854#(<= ULTIMATE.start_main_~x~4 448), 142855#(<= ULTIMATE.start_main_~x~4 450), 142852#(<= ULTIMATE.start_main_~x~4 444), 142853#(<= ULTIMATE.start_main_~x~4 446), 142858#(<= ULTIMATE.start_main_~x~4 456), 142859#(<= ULTIMATE.start_main_~x~4 458), 142856#(<= ULTIMATE.start_main_~x~4 452), 142857#(<= ULTIMATE.start_main_~x~4 454), 142862#(<= ULTIMATE.start_main_~x~4 464), 142863#(<= ULTIMATE.start_main_~x~4 466), 142860#(<= ULTIMATE.start_main_~x~4 460), 142861#(<= ULTIMATE.start_main_~x~4 462), 142866#(<= ULTIMATE.start_main_~x~4 472), 142867#(<= ULTIMATE.start_main_~x~4 474), 142864#(<= ULTIMATE.start_main_~x~4 468), 142865#(<= ULTIMATE.start_main_~x~4 470), 142868#(<= ULTIMATE.start_main_~x~4 476), 142869#(<= ULTIMATE.start_main_~x~4 478), 142634#false, 142635#(<= ULTIMATE.start_main_~x~4 10), 142633#true, 142638#(<= ULTIMATE.start_main_~x~4 16), 142639#(<= ULTIMATE.start_main_~x~4 18), 142636#(<= ULTIMATE.start_main_~x~4 12), 142637#(<= ULTIMATE.start_main_~x~4 14), 142642#(<= ULTIMATE.start_main_~x~4 24), 142643#(<= ULTIMATE.start_main_~x~4 26), 142640#(<= ULTIMATE.start_main_~x~4 20), 142641#(<= ULTIMATE.start_main_~x~4 22), 142646#(<= ULTIMATE.start_main_~x~4 32), 142647#(<= ULTIMATE.start_main_~x~4 34), 142644#(<= ULTIMATE.start_main_~x~4 28), 142645#(<= ULTIMATE.start_main_~x~4 30), 142650#(<= ULTIMATE.start_main_~x~4 40), 142651#(<= ULTIMATE.start_main_~x~4 42), 142648#(<= ULTIMATE.start_main_~x~4 36), 142649#(<= ULTIMATE.start_main_~x~4 38), 142654#(<= ULTIMATE.start_main_~x~4 48), 142655#(<= ULTIMATE.start_main_~x~4 50), 142652#(<= ULTIMATE.start_main_~x~4 44), 142653#(<= ULTIMATE.start_main_~x~4 46), 142658#(<= ULTIMATE.start_main_~x~4 56), 142659#(<= ULTIMATE.start_main_~x~4 58), 142656#(<= ULTIMATE.start_main_~x~4 52), 142657#(<= ULTIMATE.start_main_~x~4 54), 142662#(<= ULTIMATE.start_main_~x~4 64), 142663#(<= ULTIMATE.start_main_~x~4 66), 142660#(<= ULTIMATE.start_main_~x~4 60), 142661#(<= ULTIMATE.start_main_~x~4 62), 142666#(<= ULTIMATE.start_main_~x~4 72), 142667#(<= ULTIMATE.start_main_~x~4 74), 142664#(<= ULTIMATE.start_main_~x~4 68), 142665#(<= ULTIMATE.start_main_~x~4 70), 142670#(<= ULTIMATE.start_main_~x~4 80), 142671#(<= ULTIMATE.start_main_~x~4 82), 142668#(<= ULTIMATE.start_main_~x~4 76), 142669#(<= ULTIMATE.start_main_~x~4 78), 142674#(<= ULTIMATE.start_main_~x~4 88), 142675#(<= ULTIMATE.start_main_~x~4 90), 142672#(<= ULTIMATE.start_main_~x~4 84), 142673#(<= ULTIMATE.start_main_~x~4 86), 142678#(<= ULTIMATE.start_main_~x~4 96), 142679#(<= ULTIMATE.start_main_~x~4 98), 142676#(<= ULTIMATE.start_main_~x~4 92), 142677#(<= ULTIMATE.start_main_~x~4 94), 142682#(<= ULTIMATE.start_main_~x~4 104), 142683#(<= ULTIMATE.start_main_~x~4 106), 142680#(<= ULTIMATE.start_main_~x~4 100), 142681#(<= ULTIMATE.start_main_~x~4 102), 142686#(<= ULTIMATE.start_main_~x~4 112), 142687#(<= ULTIMATE.start_main_~x~4 114), 142684#(<= ULTIMATE.start_main_~x~4 108), 142685#(<= ULTIMATE.start_main_~x~4 110), 142690#(<= ULTIMATE.start_main_~x~4 120), 142691#(<= ULTIMATE.start_main_~x~4 122), 142688#(<= ULTIMATE.start_main_~x~4 116), 142689#(<= ULTIMATE.start_main_~x~4 118), 142694#(<= ULTIMATE.start_main_~x~4 128), 142695#(<= ULTIMATE.start_main_~x~4 130), 142692#(<= ULTIMATE.start_main_~x~4 124), 142693#(<= ULTIMATE.start_main_~x~4 126), 142698#(<= ULTIMATE.start_main_~x~4 136), 142699#(<= ULTIMATE.start_main_~x~4 138), 142696#(<= ULTIMATE.start_main_~x~4 132), 142697#(<= ULTIMATE.start_main_~x~4 134), 142702#(<= ULTIMATE.start_main_~x~4 144), 142703#(<= ULTIMATE.start_main_~x~4 146), 142700#(<= ULTIMATE.start_main_~x~4 140), 142701#(<= ULTIMATE.start_main_~x~4 142), 142706#(<= ULTIMATE.start_main_~x~4 152), 142707#(<= ULTIMATE.start_main_~x~4 154), 142704#(<= ULTIMATE.start_main_~x~4 148), 142705#(<= ULTIMATE.start_main_~x~4 150), 142710#(<= ULTIMATE.start_main_~x~4 160), 142711#(<= ULTIMATE.start_main_~x~4 162), 142708#(<= ULTIMATE.start_main_~x~4 156), 142709#(<= ULTIMATE.start_main_~x~4 158), 142714#(<= ULTIMATE.start_main_~x~4 168), 142715#(<= ULTIMATE.start_main_~x~4 170), 142712#(<= ULTIMATE.start_main_~x~4 164), 142713#(<= ULTIMATE.start_main_~x~4 166), 142718#(<= ULTIMATE.start_main_~x~4 176), 142719#(<= ULTIMATE.start_main_~x~4 178), 142716#(<= ULTIMATE.start_main_~x~4 172), 142717#(<= ULTIMATE.start_main_~x~4 174), 142722#(<= ULTIMATE.start_main_~x~4 184), 142723#(<= ULTIMATE.start_main_~x~4 186), 142720#(<= ULTIMATE.start_main_~x~4 180), 142721#(<= ULTIMATE.start_main_~x~4 182), 142726#(<= ULTIMATE.start_main_~x~4 192), 142727#(<= ULTIMATE.start_main_~x~4 194), 142724#(<= ULTIMATE.start_main_~x~4 188), 142725#(<= ULTIMATE.start_main_~x~4 190), 142730#(<= ULTIMATE.start_main_~x~4 200), 142731#(<= ULTIMATE.start_main_~x~4 202), 142728#(<= ULTIMATE.start_main_~x~4 196), 142729#(<= ULTIMATE.start_main_~x~4 198), 142734#(<= ULTIMATE.start_main_~x~4 208), 142735#(<= ULTIMATE.start_main_~x~4 210), 142732#(<= ULTIMATE.start_main_~x~4 204), 142733#(<= ULTIMATE.start_main_~x~4 206), 142738#(<= ULTIMATE.start_main_~x~4 216), 142739#(<= ULTIMATE.start_main_~x~4 218), 142736#(<= ULTIMATE.start_main_~x~4 212), 142737#(<= ULTIMATE.start_main_~x~4 214), 142742#(<= ULTIMATE.start_main_~x~4 224), 142743#(<= ULTIMATE.start_main_~x~4 226), 142740#(<= ULTIMATE.start_main_~x~4 220), 142741#(<= ULTIMATE.start_main_~x~4 222), 142746#(<= ULTIMATE.start_main_~x~4 232), 142747#(<= ULTIMATE.start_main_~x~4 234), 142744#(<= ULTIMATE.start_main_~x~4 228), 142745#(<= ULTIMATE.start_main_~x~4 230), 142750#(<= ULTIMATE.start_main_~x~4 240), 142751#(<= ULTIMATE.start_main_~x~4 242), 142748#(<= ULTIMATE.start_main_~x~4 236), 142749#(<= ULTIMATE.start_main_~x~4 238), 142754#(<= ULTIMATE.start_main_~x~4 248), 142755#(<= ULTIMATE.start_main_~x~4 250), 142752#(<= ULTIMATE.start_main_~x~4 244), 142753#(<= ULTIMATE.start_main_~x~4 246), 142758#(<= ULTIMATE.start_main_~x~4 256), 142759#(<= ULTIMATE.start_main_~x~4 258), 142756#(<= ULTIMATE.start_main_~x~4 252), 142757#(<= ULTIMATE.start_main_~x~4 254), 142762#(<= ULTIMATE.start_main_~x~4 264), 142763#(<= ULTIMATE.start_main_~x~4 266), 142760#(<= ULTIMATE.start_main_~x~4 260), 142761#(<= ULTIMATE.start_main_~x~4 262), 142766#(<= ULTIMATE.start_main_~x~4 272), 142767#(<= ULTIMATE.start_main_~x~4 274), 142764#(<= ULTIMATE.start_main_~x~4 268), 142765#(<= ULTIMATE.start_main_~x~4 270), 142770#(<= ULTIMATE.start_main_~x~4 280), 142771#(<= ULTIMATE.start_main_~x~4 282), 142768#(<= ULTIMATE.start_main_~x~4 276), 142769#(<= ULTIMATE.start_main_~x~4 278), 142774#(<= ULTIMATE.start_main_~x~4 288), 142775#(<= ULTIMATE.start_main_~x~4 290), 142772#(<= ULTIMATE.start_main_~x~4 284), 142773#(<= ULTIMATE.start_main_~x~4 286), 142778#(<= ULTIMATE.start_main_~x~4 296), 142779#(<= ULTIMATE.start_main_~x~4 298), 142776#(<= ULTIMATE.start_main_~x~4 292), 142777#(<= ULTIMATE.start_main_~x~4 294), 142782#(<= ULTIMATE.start_main_~x~4 304), 142783#(<= ULTIMATE.start_main_~x~4 306), 142780#(<= ULTIMATE.start_main_~x~4 300), 142781#(<= ULTIMATE.start_main_~x~4 302), 142786#(<= ULTIMATE.start_main_~x~4 312), 142787#(<= ULTIMATE.start_main_~x~4 314), 142784#(<= ULTIMATE.start_main_~x~4 308), 142785#(<= ULTIMATE.start_main_~x~4 310), 142790#(<= ULTIMATE.start_main_~x~4 320), 142791#(<= ULTIMATE.start_main_~x~4 322), 142788#(<= ULTIMATE.start_main_~x~4 316), 142789#(<= ULTIMATE.start_main_~x~4 318), 142794#(<= ULTIMATE.start_main_~x~4 328), 142795#(<= ULTIMATE.start_main_~x~4 330), 142792#(<= ULTIMATE.start_main_~x~4 324), 142793#(<= ULTIMATE.start_main_~x~4 326), 142798#(<= ULTIMATE.start_main_~x~4 336), 142799#(<= ULTIMATE.start_main_~x~4 338), 142796#(<= ULTIMATE.start_main_~x~4 332), 142797#(<= ULTIMATE.start_main_~x~4 334), 142802#(<= ULTIMATE.start_main_~x~4 344), 142803#(<= ULTIMATE.start_main_~x~4 346), 142800#(<= ULTIMATE.start_main_~x~4 340), 142801#(<= ULTIMATE.start_main_~x~4 342), 142806#(<= ULTIMATE.start_main_~x~4 352), 142807#(<= ULTIMATE.start_main_~x~4 354), 142804#(<= ULTIMATE.start_main_~x~4 348), 142805#(<= ULTIMATE.start_main_~x~4 350), 142810#(<= ULTIMATE.start_main_~x~4 360), 142811#(<= ULTIMATE.start_main_~x~4 362), 142808#(<= ULTIMATE.start_main_~x~4 356), 142809#(<= ULTIMATE.start_main_~x~4 358), 142814#(<= ULTIMATE.start_main_~x~4 368), 142815#(<= ULTIMATE.start_main_~x~4 370), 142812#(<= ULTIMATE.start_main_~x~4 364), 142813#(<= ULTIMATE.start_main_~x~4 366), 142818#(<= ULTIMATE.start_main_~x~4 376), 142819#(<= ULTIMATE.start_main_~x~4 378), 142816#(<= ULTIMATE.start_main_~x~4 372), 142817#(<= ULTIMATE.start_main_~x~4 374), 142822#(<= ULTIMATE.start_main_~x~4 384), 142823#(<= ULTIMATE.start_main_~x~4 386), 142820#(<= ULTIMATE.start_main_~x~4 380), 142821#(<= ULTIMATE.start_main_~x~4 382), 142826#(<= ULTIMATE.start_main_~x~4 392), 142827#(<= ULTIMATE.start_main_~x~4 394), 142824#(<= ULTIMATE.start_main_~x~4 388), 142825#(<= ULTIMATE.start_main_~x~4 390), 142830#(<= ULTIMATE.start_main_~x~4 400), 142831#(<= ULTIMATE.start_main_~x~4 402), 142828#(<= ULTIMATE.start_main_~x~4 396), 142829#(<= ULTIMATE.start_main_~x~4 398), 142834#(<= ULTIMATE.start_main_~x~4 408), 142835#(<= ULTIMATE.start_main_~x~4 410), 142832#(<= ULTIMATE.start_main_~x~4 404), 142833#(<= ULTIMATE.start_main_~x~4 406), 142838#(<= ULTIMATE.start_main_~x~4 416), 142839#(<= ULTIMATE.start_main_~x~4 418), 142836#(<= ULTIMATE.start_main_~x~4 412), 142837#(<= ULTIMATE.start_main_~x~4 414), 142842#(<= ULTIMATE.start_main_~x~4 424), 142843#(<= ULTIMATE.start_main_~x~4 426), 142840#(<= ULTIMATE.start_main_~x~4 420), 142841#(<= ULTIMATE.start_main_~x~4 422), 142846#(<= ULTIMATE.start_main_~x~4 432), 142847#(<= ULTIMATE.start_main_~x~4 434), 142844#(<= ULTIMATE.start_main_~x~4 428), 142845#(<= ULTIMATE.start_main_~x~4 430)] [2018-07-23 13:44:40,386 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 13:44:40,386 INFO L450 AbstractCegarLoop]: Interpolant automaton has 237 states [2018-07-23 13:44:40,390 INFO L132 InterpolantAutomaton]: Constructing interpolant automaton starting with 237 interpolants. [2018-07-23 13:44:40,393 INFO L133 InterpolantAutomaton]: CoverageRelationStatistics Valid=27966, Invalid=27966, Unknown=0, NotChecked=0, Total=55932 [2018-07-23 13:44:40,393 INFO L87 Difference]: Start difference. First operand 238 states and 238 transitions. Second operand 237 states. [2018-07-23 13:44:41,831 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2018-07-23 13:44:41,832 INFO L93 Difference]: Finished difference Result 241 states and 241 transitions. [2018-07-23 13:44:41,832 INFO L142 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 237 states. [2018-07-23 13:44:41,832 INFO L78 Accepts]: Start accepts. Automaton has 237 states. Word has length 237 [2018-07-23 13:44:41,832 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2018-07-23 13:44:41,832 INFO L225 Difference]: With dead ends: 241 [2018-07-23 13:44:41,833 INFO L226 Difference]: Without dead ends: 239 [2018-07-23 13:44:41,838 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 13:44:41,839 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 239 states. [2018-07-23 13:44:41,841 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 239 to 239. [2018-07-23 13:44:41,841 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 239 states. [2018-07-23 13:44:41,842 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 239 states to 239 states and 239 transitions. [2018-07-23 13:44:41,842 INFO L78 Accepts]: Start accepts. Automaton has 239 states and 239 transitions. Word has length 237 [2018-07-23 13:44:41,842 INFO L84 Accepts]: Finished accepts. word is rejected. [2018-07-23 13:44:41,842 INFO L471 AbstractCegarLoop]: Abstraction has 239 states and 239 transitions. [2018-07-23 13:44:41,842 INFO L472 AbstractCegarLoop]: Interpolant automaton has 237 states. [2018-07-23 13:44:41,842 INFO L276 IsEmpty]: Start isEmpty. Operand 239 states and 239 transitions. [2018-07-23 13:44:41,843 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 239 [2018-07-23 13:44:41,843 INFO L349 BasicCegarLoop]: Found error trace [2018-07-23 13:44:41,843 INFO L357 BasicCegarLoop]: trace histogram [235, 1, 1, 1] [2018-07-23 13:44:41,843 INFO L414 AbstractCegarLoop]: === Iteration 236 === [ULTIMATE.startErr0AssertViolationASSERT]=== [2018-07-23 13:44:41,843 INFO L82 PathProgramCache]: Analyzing trace with hash 2093847752, now seen corresponding path program 235 times [2018-07-23 13:44:41,843 INFO L69 tionRefinementEngine]: Using refinement strategy FixedRefinementStrategy [2018-07-23 13:44:41,866 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-07-23 13:44:43,071 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 13:44:43,072 INFO L309 seRefinementStrategy]: Constructing automaton from 0 perfect and 1 imperfect interpolant sequences. [2018-07-23 13:44:43,072 INFO L324 seRefinementStrategy]: Number of different interpolants: perfect sequences [] imperfect sequences [237] total 237 [2018-07-23 13:44:43,072 INFO L142 lantAutomatonBuilder]: Constructing canonical interpolant automaton, with selfloop in false state [2018-07-23 13:44:43,072 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2018-07-23 13:44:43,072 INFO L185 omatonBuilderFactory]: Interpolants [143874#(<= ULTIMATE.start_main_~x~4 94), 143875#(<= ULTIMATE.start_main_~x~4 96), 143872#(<= ULTIMATE.start_main_~x~4 90), 143873#(<= ULTIMATE.start_main_~x~4 92), 143878#(<= ULTIMATE.start_main_~x~4 102), 143879#(<= ULTIMATE.start_main_~x~4 104), 143876#(<= ULTIMATE.start_main_~x~4 98), 143877#(<= ULTIMATE.start_main_~x~4 100), 143882#(<= ULTIMATE.start_main_~x~4 110), 143883#(<= ULTIMATE.start_main_~x~4 112), 143880#(<= ULTIMATE.start_main_~x~4 106), 143881#(<= ULTIMATE.start_main_~x~4 108), 143886#(<= ULTIMATE.start_main_~x~4 118), 143887#(<= ULTIMATE.start_main_~x~4 120), 143884#(<= ULTIMATE.start_main_~x~4 114), 143885#(<= ULTIMATE.start_main_~x~4 116), 143890#(<= ULTIMATE.start_main_~x~4 126), 143891#(<= ULTIMATE.start_main_~x~4 128), 143888#(<= ULTIMATE.start_main_~x~4 122), 143889#(<= ULTIMATE.start_main_~x~4 124), 143894#(<= ULTIMATE.start_main_~x~4 134), 143895#(<= ULTIMATE.start_main_~x~4 136), 143892#(<= ULTIMATE.start_main_~x~4 130), 143893#(<= ULTIMATE.start_main_~x~4 132), 143898#(<= ULTIMATE.start_main_~x~4 142), 143899#(<= ULTIMATE.start_main_~x~4 144), 143896#(<= ULTIMATE.start_main_~x~4 138), 143897#(<= ULTIMATE.start_main_~x~4 140), 143902#(<= ULTIMATE.start_main_~x~4 150), 143903#(<= ULTIMATE.start_main_~x~4 152), 143900#(<= ULTIMATE.start_main_~x~4 146), 143901#(<= ULTIMATE.start_main_~x~4 148), 143906#(<= ULTIMATE.start_main_~x~4 158), 143907#(<= ULTIMATE.start_main_~x~4 160), 143904#(<= ULTIMATE.start_main_~x~4 154), 143905#(<= ULTIMATE.start_main_~x~4 156), 143910#(<= ULTIMATE.start_main_~x~4 166), 143911#(<= ULTIMATE.start_main_~x~4 168), 143908#(<= ULTIMATE.start_main_~x~4 162), 143909#(<= ULTIMATE.start_main_~x~4 164), 143914#(<= ULTIMATE.start_main_~x~4 174), 143915#(<= ULTIMATE.start_main_~x~4 176), 143912#(<= ULTIMATE.start_main_~x~4 170), 143913#(<= ULTIMATE.start_main_~x~4 172), 143918#(<= ULTIMATE.start_main_~x~4 182), 143919#(<= ULTIMATE.start_main_~x~4 184), 143916#(<= ULTIMATE.start_main_~x~4 178), 143917#(<= ULTIMATE.start_main_~x~4 180), 143922#(<= ULTIMATE.start_main_~x~4 190), 143923#(<= ULTIMATE.start_main_~x~4 192), 143920#(<= ULTIMATE.start_main_~x~4 186), 143921#(<= ULTIMATE.start_main_~x~4 188), 143926#(<= ULTIMATE.start_main_~x~4 198), 143927#(<= ULTIMATE.start_main_~x~4 200), 143924#(<= ULTIMATE.start_main_~x~4 194), 143925#(<= ULTIMATE.start_main_~x~4 196), 143930#(<= ULTIMATE.start_main_~x~4 206), 143931#(<= ULTIMATE.start_main_~x~4 208), 143928#(<= ULTIMATE.start_main_~x~4 202), 143929#(<= ULTIMATE.start_main_~x~4 204), 143934#(<= ULTIMATE.start_main_~x~4 214), 143935#(<= ULTIMATE.start_main_~x~4 216), 143932#(<= ULTIMATE.start_main_~x~4 210), 143933#(<= ULTIMATE.start_main_~x~4 212), 143938#(<= ULTIMATE.start_main_~x~4 222), 143939#(<= ULTIMATE.start_main_~x~4 224), 143936#(<= ULTIMATE.start_main_~x~4 218), 143937#(<= ULTIMATE.start_main_~x~4 220), 143942#(<= ULTIMATE.start_main_~x~4 230), 143943#(<= ULTIMATE.start_main_~x~4 232), 143940#(<= ULTIMATE.start_main_~x~4 226), 143941#(<= ULTIMATE.start_main_~x~4 228), 143946#(<= ULTIMATE.start_main_~x~4 238), 143947#(<= ULTIMATE.start_main_~x~4 240), 143944#(<= ULTIMATE.start_main_~x~4 234), 143945#(<= ULTIMATE.start_main_~x~4 236), 143950#(<= ULTIMATE.start_main_~x~4 246), 143951#(<= ULTIMATE.start_main_~x~4 248), 143948#(<= ULTIMATE.start_main_~x~4 242), 143949#(<= ULTIMATE.start_main_~x~4 244), 143954#(<= ULTIMATE.start_main_~x~4 254), 143955#(<= ULTIMATE.start_main_~x~4 256), 143952#(<= ULTIMATE.start_main_~x~4 250), 143953#(<= ULTIMATE.start_main_~x~4 252), 143958#(<= ULTIMATE.start_main_~x~4 262), 143959#(<= ULTIMATE.start_main_~x~4 264), 143956#(<= ULTIMATE.start_main_~x~4 258), 143957#(<= ULTIMATE.start_main_~x~4 260), 143962#(<= ULTIMATE.start_main_~x~4 270), 143963#(<= ULTIMATE.start_main_~x~4 272), 143960#(<= ULTIMATE.start_main_~x~4 266), 143961#(<= ULTIMATE.start_main_~x~4 268), 143966#(<= ULTIMATE.start_main_~x~4 278), 143967#(<= ULTIMATE.start_main_~x~4 280), 143964#(<= ULTIMATE.start_main_~x~4 274), 143965#(<= ULTIMATE.start_main_~x~4 276), 143970#(<= ULTIMATE.start_main_~x~4 286), 143971#(<= ULTIMATE.start_main_~x~4 288), 143968#(<= ULTIMATE.start_main_~x~4 282), 143969#(<= ULTIMATE.start_main_~x~4 284), 143974#(<= ULTIMATE.start_main_~x~4 294), 143975#(<= ULTIMATE.start_main_~x~4 296), 143972#(<= ULTIMATE.start_main_~x~4 290), 143973#(<= ULTIMATE.start_main_~x~4 292), 143978#(<= ULTIMATE.start_main_~x~4 302), 143979#(<= ULTIMATE.start_main_~x~4 304), 143976#(<= ULTIMATE.start_main_~x~4 298), 143977#(<= ULTIMATE.start_main_~x~4 300), 143982#(<= ULTIMATE.start_main_~x~4 310), 143983#(<= ULTIMATE.start_main_~x~4 312), 143980#(<= ULTIMATE.start_main_~x~4 306), 143981#(<= ULTIMATE.start_main_~x~4 308), 143986#(<= ULTIMATE.start_main_~x~4 318), 143987#(<= ULTIMATE.start_main_~x~4 320), 143984#(<= ULTIMATE.start_main_~x~4 314), 143985#(<= ULTIMATE.start_main_~x~4 316), 143990#(<= ULTIMATE.start_main_~x~4 326), 143991#(<= ULTIMATE.start_main_~x~4 328), 143988#(<= ULTIMATE.start_main_~x~4 322), 143989#(<= ULTIMATE.start_main_~x~4 324), 143994#(<= ULTIMATE.start_main_~x~4 334), 143995#(<= ULTIMATE.start_main_~x~4 336), 143992#(<= ULTIMATE.start_main_~x~4 330), 143993#(<= ULTIMATE.start_main_~x~4 332), 143998#(<= ULTIMATE.start_main_~x~4 342), 143999#(<= ULTIMATE.start_main_~x~4 344), 143996#(<= ULTIMATE.start_main_~x~4 338), 143997#(<= ULTIMATE.start_main_~x~4 340), 144002#(<= ULTIMATE.start_main_~x~4 350), 144003#(<= ULTIMATE.start_main_~x~4 352), 144000#(<= ULTIMATE.start_main_~x~4 346), 144001#(<= ULTIMATE.start_main_~x~4 348), 144006#(<= ULTIMATE.start_main_~x~4 358), 144007#(<= ULTIMATE.start_main_~x~4 360), 144004#(<= ULTIMATE.start_main_~x~4 354), 144005#(<= ULTIMATE.start_main_~x~4 356), 144010#(<= ULTIMATE.start_main_~x~4 366), 144011#(<= ULTIMATE.start_main_~x~4 368), 144008#(<= ULTIMATE.start_main_~x~4 362), 144009#(<= ULTIMATE.start_main_~x~4 364), 144014#(<= ULTIMATE.start_main_~x~4 374), 144015#(<= ULTIMATE.start_main_~x~4 376), 144012#(<= ULTIMATE.start_main_~x~4 370), 144013#(<= ULTIMATE.start_main_~x~4 372), 144018#(<= ULTIMATE.start_main_~x~4 382), 144019#(<= ULTIMATE.start_main_~x~4 384), 144016#(<= ULTIMATE.start_main_~x~4 378), 144017#(<= ULTIMATE.start_main_~x~4 380), 144022#(<= ULTIMATE.start_main_~x~4 390), 144023#(<= ULTIMATE.start_main_~x~4 392), 144020#(<= ULTIMATE.start_main_~x~4 386), 144021#(<= ULTIMATE.start_main_~x~4 388), 144026#(<= ULTIMATE.start_main_~x~4 398), 144027#(<= ULTIMATE.start_main_~x~4 400), 144024#(<= ULTIMATE.start_main_~x~4 394), 144025#(<= ULTIMATE.start_main_~x~4 396), 144030#(<= ULTIMATE.start_main_~x~4 406), 144031#(<= ULTIMATE.start_main_~x~4 408), 144028#(<= ULTIMATE.start_main_~x~4 402), 144029#(<= ULTIMATE.start_main_~x~4 404), 144034#(<= ULTIMATE.start_main_~x~4 414), 144035#(<= ULTIMATE.start_main_~x~4 416), 144032#(<= ULTIMATE.start_main_~x~4 410), 144033#(<= ULTIMATE.start_main_~x~4 412), 144038#(<= ULTIMATE.start_main_~x~4 422), 144039#(<= ULTIMATE.start_main_~x~4 424), 144036#(<= ULTIMATE.start_main_~x~4 418), 144037#(<= ULTIMATE.start_main_~x~4 420), 144042#(<= ULTIMATE.start_main_~x~4 430), 144043#(<= ULTIMATE.start_main_~x~4 432), 144040#(<= ULTIMATE.start_main_~x~4 426), 144041#(<= ULTIMATE.start_main_~x~4 428), 144046#(<= ULTIMATE.start_main_~x~4 438), 144047#(<= ULTIMATE.start_main_~x~4 440), 144044#(<= ULTIMATE.start_main_~x~4 434), 144045#(<= ULTIMATE.start_main_~x~4 436), 144050#(<= ULTIMATE.start_main_~x~4 446), 144051#(<= ULTIMATE.start_main_~x~4 448), 144048#(<= ULTIMATE.start_main_~x~4 442), 144049#(<= ULTIMATE.start_main_~x~4 444), 144054#(<= ULTIMATE.start_main_~x~4 454), 144055#(<= ULTIMATE.start_main_~x~4 456), 144052#(<= ULTIMATE.start_main_~x~4 450), 144053#(<= ULTIMATE.start_main_~x~4 452), 144058#(<= ULTIMATE.start_main_~x~4 462), 144059#(<= ULTIMATE.start_main_~x~4 464), 144056#(<= ULTIMATE.start_main_~x~4 458), 144057#(<= ULTIMATE.start_main_~x~4 460), 144062#(<= ULTIMATE.start_main_~x~4 470), 144063#(<= ULTIMATE.start_main_~x~4 472), 144060#(<= ULTIMATE.start_main_~x~4 466), 144061#(<= ULTIMATE.start_main_~x~4 468), 144066#(<= ULTIMATE.start_main_~x~4 478), 144067#(<= ULTIMATE.start_main_~x~4 480), 144064#(<= ULTIMATE.start_main_~x~4 474), 144065#(<= ULTIMATE.start_main_~x~4 476), 143830#true, 143831#false, 143834#(<= ULTIMATE.start_main_~x~4 14), 143835#(<= ULTIMATE.start_main_~x~4 16), 143832#(<= ULTIMATE.start_main_~x~4 10), 143833#(<= ULTIMATE.start_main_~x~4 12), 143838#(<= ULTIMATE.start_main_~x~4 22), 143839#(<= ULTIMATE.start_main_~x~4 24), 143836#(<= ULTIMATE.start_main_~x~4 18), 143837#(<= ULTIMATE.start_main_~x~4 20), 143842#(<= ULTIMATE.start_main_~x~4 30), 143843#(<= ULTIMATE.start_main_~x~4 32), 143840#(<= ULTIMATE.start_main_~x~4 26), 143841#(<= ULTIMATE.start_main_~x~4 28), 143846#(<= ULTIMATE.start_main_~x~4 38), 143847#(<= ULTIMATE.start_main_~x~4 40), 143844#(<= ULTIMATE.start_main_~x~4 34), 143845#(<= ULTIMATE.start_main_~x~4 36), 143850#(<= ULTIMATE.start_main_~x~4 46), 143851#(<= ULTIMATE.start_main_~x~4 48), 143848#(<= ULTIMATE.start_main_~x~4 42), 143849#(<= ULTIMATE.start_main_~x~4 44), 143854#(<= ULTIMATE.start_main_~x~4 54), 143855#(<= ULTIMATE.start_main_~x~4 56), 143852#(<= ULTIMATE.start_main_~x~4 50), 143853#(<= ULTIMATE.start_main_~x~4 52), 143858#(<= ULTIMATE.start_main_~x~4 62), 143859#(<= ULTIMATE.start_main_~x~4 64), 143856#(<= ULTIMATE.start_main_~x~4 58), 143857#(<= ULTIMATE.start_main_~x~4 60), 143862#(<= ULTIMATE.start_main_~x~4 70), 143863#(<= ULTIMATE.start_main_~x~4 72), 143860#(<= ULTIMATE.start_main_~x~4 66), 143861#(<= ULTIMATE.start_main_~x~4 68), 143866#(<= ULTIMATE.start_main_~x~4 78), 143867#(<= ULTIMATE.start_main_~x~4 80), 143864#(<= ULTIMATE.start_main_~x~4 74), 143865#(<= ULTIMATE.start_main_~x~4 76), 143870#(<= ULTIMATE.start_main_~x~4 86), 143871#(<= ULTIMATE.start_main_~x~4 88), 143868#(<= ULTIMATE.start_main_~x~4 82), 143869#(<= ULTIMATE.start_main_~x~4 84)] [2018-07-23 13:44:43,074 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 13:44:43,074 INFO L450 AbstractCegarLoop]: Interpolant automaton has 238 states [2018-07-23 13:44:43,078 INFO L132 InterpolantAutomaton]: Constructing interpolant automaton starting with 238 interpolants. [2018-07-23 13:44:43,081 INFO L133 InterpolantAutomaton]: CoverageRelationStatistics Valid=28203, Invalid=28203, Unknown=0, NotChecked=0, Total=56406 [2018-07-23 13:44:43,081 INFO L87 Difference]: Start difference. First operand 239 states and 239 transitions. Second operand 238 states. [2018-07-23 13:44:44,541 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2018-07-23 13:44:44,541 INFO L93 Difference]: Finished difference Result 242 states and 242 transitions. [2018-07-23 13:44:44,541 INFO L142 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 238 states. [2018-07-23 13:44:44,542 INFO L78 Accepts]: Start accepts. Automaton has 238 states. Word has length 238 [2018-07-23 13:44:44,542 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2018-07-23 13:44:44,542 INFO L225 Difference]: With dead ends: 242 [2018-07-23 13:44:44,542 INFO L226 Difference]: Without dead ends: 240 [2018-07-23 13:44:44,546 INFO L575 BasicCegarLoop]: 0 DeclaredPredicates, 237 GetRequests, 1 SyntacticMatches, 0 SemanticMatches, 236 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 0 ImplicationChecksByTransitivity, 1.0s TimeCoverageRelationStatistics Valid=28203, Invalid=28203, Unknown=0, NotChecked=0, Total=56406 [2018-07-23 13:44:44,546 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 240 states. [2018-07-23 13:44:44,548 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 240 to 240. [2018-07-23 13:44:44,548 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 240 states. [2018-07-23 13:44:44,548 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 240 states to 240 states and 240 transitions. [2018-07-23 13:44:44,549 INFO L78 Accepts]: Start accepts. Automaton has 240 states and 240 transitions. Word has length 238 [2018-07-23 13:44:44,549 INFO L84 Accepts]: Finished accepts. word is rejected. [2018-07-23 13:44:44,549 INFO L471 AbstractCegarLoop]: Abstraction has 240 states and 240 transitions. [2018-07-23 13:44:44,549 INFO L472 AbstractCegarLoop]: Interpolant automaton has 238 states. [2018-07-23 13:44:44,549 INFO L276 IsEmpty]: Start isEmpty. Operand 240 states and 240 transitions. [2018-07-23 13:44:44,549 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 240 [2018-07-23 13:44:44,549 INFO L349 BasicCegarLoop]: Found error trace [2018-07-23 13:44:44,550 INFO L357 BasicCegarLoop]: trace histogram [236, 1, 1, 1] [2018-07-23 13:44:44,550 INFO L414 AbstractCegarLoop]: === Iteration 237 === [ULTIMATE.startErr0AssertViolationASSERT]=== [2018-07-23 13:44:44,550 INFO L82 PathProgramCache]: Analyzing trace with hash 484768897, now seen corresponding path program 236 times [2018-07-23 13:44:44,550 INFO L69 tionRefinementEngine]: Using refinement strategy FixedRefinementStrategy [2018-07-23 13:44:44,569 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-07-23 13:44:45,863 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 13:44:45,864 INFO L309 seRefinementStrategy]: Constructing automaton from 0 perfect and 1 imperfect interpolant sequences. [2018-07-23 13:44:45,864 INFO L324 seRefinementStrategy]: Number of different interpolants: perfect sequences [] imperfect sequences [238] total 238 [2018-07-23 13:44:45,864 INFO L142 lantAutomatonBuilder]: Constructing canonical interpolant automaton, with selfloop in false state [2018-07-23 13:44:45,864 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2018-07-23 13:44:45,865 INFO L185 omatonBuilderFactory]: Interpolants [145034#(<= ULTIMATE.start_main_~x~4 10), 145035#(<= ULTIMATE.start_main_~x~4 12), 145032#true, 145033#false, 145038#(<= ULTIMATE.start_main_~x~4 18), 145039#(<= ULTIMATE.start_main_~x~4 20), 145036#(<= ULTIMATE.start_main_~x~4 14), 145037#(<= ULTIMATE.start_main_~x~4 16), 145042#(<= ULTIMATE.start_main_~x~4 26), 145043#(<= ULTIMATE.start_main_~x~4 28), 145040#(<= ULTIMATE.start_main_~x~4 22), 145041#(<= ULTIMATE.start_main_~x~4 24), 145046#(<= ULTIMATE.start_main_~x~4 34), 145047#(<= ULTIMATE.start_main_~x~4 36), 145044#(<= ULTIMATE.start_main_~x~4 30), 145045#(<= ULTIMATE.start_main_~x~4 32), 145050#(<= ULTIMATE.start_main_~x~4 42), 145051#(<= ULTIMATE.start_main_~x~4 44), 145048#(<= ULTIMATE.start_main_~x~4 38), 145049#(<= ULTIMATE.start_main_~x~4 40), 145054#(<= ULTIMATE.start_main_~x~4 50), 145055#(<= ULTIMATE.start_main_~x~4 52), 145052#(<= ULTIMATE.start_main_~x~4 46), 145053#(<= ULTIMATE.start_main_~x~4 48), 145058#(<= ULTIMATE.start_main_~x~4 58), 145059#(<= ULTIMATE.start_main_~x~4 60), 145056#(<= ULTIMATE.start_main_~x~4 54), 145057#(<= ULTIMATE.start_main_~x~4 56), 145062#(<= ULTIMATE.start_main_~x~4 66), 145063#(<= ULTIMATE.start_main_~x~4 68), 145060#(<= ULTIMATE.start_main_~x~4 62), 145061#(<= ULTIMATE.start_main_~x~4 64), 145066#(<= ULTIMATE.start_main_~x~4 74), 145067#(<= ULTIMATE.start_main_~x~4 76), 145064#(<= ULTIMATE.start_main_~x~4 70), 145065#(<= ULTIMATE.start_main_~x~4 72), 145070#(<= ULTIMATE.start_main_~x~4 82), 145071#(<= ULTIMATE.start_main_~x~4 84), 145068#(<= ULTIMATE.start_main_~x~4 78), 145069#(<= ULTIMATE.start_main_~x~4 80), 145074#(<= ULTIMATE.start_main_~x~4 90), 145075#(<= ULTIMATE.start_main_~x~4 92), 145072#(<= ULTIMATE.start_main_~x~4 86), 145073#(<= ULTIMATE.start_main_~x~4 88), 145078#(<= ULTIMATE.start_main_~x~4 98), 145079#(<= ULTIMATE.start_main_~x~4 100), 145076#(<= ULTIMATE.start_main_~x~4 94), 145077#(<= ULTIMATE.start_main_~x~4 96), 145082#(<= ULTIMATE.start_main_~x~4 106), 145083#(<= ULTIMATE.start_main_~x~4 108), 145080#(<= ULTIMATE.start_main_~x~4 102), 145081#(<= ULTIMATE.start_main_~x~4 104), 145086#(<= ULTIMATE.start_main_~x~4 114), 145087#(<= ULTIMATE.start_main_~x~4 116), 145084#(<= ULTIMATE.start_main_~x~4 110), 145085#(<= ULTIMATE.start_main_~x~4 112), 145090#(<= ULTIMATE.start_main_~x~4 122), 145091#(<= ULTIMATE.start_main_~x~4 124), 145088#(<= ULTIMATE.start_main_~x~4 118), 145089#(<= ULTIMATE.start_main_~x~4 120), 145094#(<= ULTIMATE.start_main_~x~4 130), 145095#(<= ULTIMATE.start_main_~x~4 132), 145092#(<= ULTIMATE.start_main_~x~4 126), 145093#(<= ULTIMATE.start_main_~x~4 128), 145098#(<= ULTIMATE.start_main_~x~4 138), 145099#(<= ULTIMATE.start_main_~x~4 140), 145096#(<= ULTIMATE.start_main_~x~4 134), 145097#(<= ULTIMATE.start_main_~x~4 136), 145102#(<= ULTIMATE.start_main_~x~4 146), 145103#(<= ULTIMATE.start_main_~x~4 148), 145100#(<= ULTIMATE.start_main_~x~4 142), 145101#(<= ULTIMATE.start_main_~x~4 144), 145106#(<= ULTIMATE.start_main_~x~4 154), 145107#(<= ULTIMATE.start_main_~x~4 156), 145104#(<= ULTIMATE.start_main_~x~4 150), 145105#(<= ULTIMATE.start_main_~x~4 152), 145110#(<= ULTIMATE.start_main_~x~4 162), 145111#(<= ULTIMATE.start_main_~x~4 164), 145108#(<= ULTIMATE.start_main_~x~4 158), 145109#(<= ULTIMATE.start_main_~x~4 160), 145114#(<= ULTIMATE.start_main_~x~4 170), 145115#(<= ULTIMATE.start_main_~x~4 172), 145112#(<= ULTIMATE.start_main_~x~4 166), 145113#(<= ULTIMATE.start_main_~x~4 168), 145118#(<= ULTIMATE.start_main_~x~4 178), 145119#(<= ULTIMATE.start_main_~x~4 180), 145116#(<= ULTIMATE.start_main_~x~4 174), 145117#(<= ULTIMATE.start_main_~x~4 176), 145122#(<= ULTIMATE.start_main_~x~4 186), 145123#(<= ULTIMATE.start_main_~x~4 188), 145120#(<= ULTIMATE.start_main_~x~4 182), 145121#(<= ULTIMATE.start_main_~x~4 184), 145126#(<= ULTIMATE.start_main_~x~4 194), 145127#(<= ULTIMATE.start_main_~x~4 196), 145124#(<= ULTIMATE.start_main_~x~4 190), 145125#(<= ULTIMATE.start_main_~x~4 192), 145130#(<= ULTIMATE.start_main_~x~4 202), 145131#(<= ULTIMATE.start_main_~x~4 204), 145128#(<= ULTIMATE.start_main_~x~4 198), 145129#(<= ULTIMATE.start_main_~x~4 200), 145134#(<= ULTIMATE.start_main_~x~4 210), 145135#(<= ULTIMATE.start_main_~x~4 212), 145132#(<= ULTIMATE.start_main_~x~4 206), 145133#(<= ULTIMATE.start_main_~x~4 208), 145138#(<= ULTIMATE.start_main_~x~4 218), 145139#(<= ULTIMATE.start_main_~x~4 220), 145136#(<= ULTIMATE.start_main_~x~4 214), 145137#(<= ULTIMATE.start_main_~x~4 216), 145142#(<= ULTIMATE.start_main_~x~4 226), 145143#(<= ULTIMATE.start_main_~x~4 228), 145140#(<= ULTIMATE.start_main_~x~4 222), 145141#(<= ULTIMATE.start_main_~x~4 224), 145146#(<= ULTIMATE.start_main_~x~4 234), 145147#(<= ULTIMATE.start_main_~x~4 236), 145144#(<= ULTIMATE.start_main_~x~4 230), 145145#(<= ULTIMATE.start_main_~x~4 232), 145150#(<= ULTIMATE.start_main_~x~4 242), 145151#(<= ULTIMATE.start_main_~x~4 244), 145148#(<= ULTIMATE.start_main_~x~4 238), 145149#(<= ULTIMATE.start_main_~x~4 240), 145154#(<= ULTIMATE.start_main_~x~4 250), 145155#(<= ULTIMATE.start_main_~x~4 252), 145152#(<= ULTIMATE.start_main_~x~4 246), 145153#(<= ULTIMATE.start_main_~x~4 248), 145158#(<= ULTIMATE.start_main_~x~4 258), 145159#(<= ULTIMATE.start_main_~x~4 260), 145156#(<= ULTIMATE.start_main_~x~4 254), 145157#(<= ULTIMATE.start_main_~x~4 256), 145162#(<= ULTIMATE.start_main_~x~4 266), 145163#(<= ULTIMATE.start_main_~x~4 268), 145160#(<= ULTIMATE.start_main_~x~4 262), 145161#(<= ULTIMATE.start_main_~x~4 264), 145166#(<= ULTIMATE.start_main_~x~4 274), 145167#(<= ULTIMATE.start_main_~x~4 276), 145164#(<= ULTIMATE.start_main_~x~4 270), 145165#(<= ULTIMATE.start_main_~x~4 272), 145170#(<= ULTIMATE.start_main_~x~4 282), 145171#(<= ULTIMATE.start_main_~x~4 284), 145168#(<= ULTIMATE.start_main_~x~4 278), 145169#(<= ULTIMATE.start_main_~x~4 280), 145174#(<= ULTIMATE.start_main_~x~4 290), 145175#(<= ULTIMATE.start_main_~x~4 292), 145172#(<= ULTIMATE.start_main_~x~4 286), 145173#(<= ULTIMATE.start_main_~x~4 288), 145178#(<= ULTIMATE.start_main_~x~4 298), 145179#(<= ULTIMATE.start_main_~x~4 300), 145176#(<= ULTIMATE.start_main_~x~4 294), 145177#(<= ULTIMATE.start_main_~x~4 296), 145182#(<= ULTIMATE.start_main_~x~4 306), 145183#(<= ULTIMATE.start_main_~x~4 308), 145180#(<= ULTIMATE.start_main_~x~4 302), 145181#(<= ULTIMATE.start_main_~x~4 304), 145186#(<= ULTIMATE.start_main_~x~4 314), 145187#(<= ULTIMATE.start_main_~x~4 316), 145184#(<= ULTIMATE.start_main_~x~4 310), 145185#(<= ULTIMATE.start_main_~x~4 312), 145190#(<= ULTIMATE.start_main_~x~4 322), 145191#(<= ULTIMATE.start_main_~x~4 324), 145188#(<= ULTIMATE.start_main_~x~4 318), 145189#(<= ULTIMATE.start_main_~x~4 320), 145194#(<= ULTIMATE.start_main_~x~4 330), 145195#(<= ULTIMATE.start_main_~x~4 332), 145192#(<= ULTIMATE.start_main_~x~4 326), 145193#(<= ULTIMATE.start_main_~x~4 328), 145198#(<= ULTIMATE.start_main_~x~4 338), 145199#(<= ULTIMATE.start_main_~x~4 340), 145196#(<= ULTIMATE.start_main_~x~4 334), 145197#(<= ULTIMATE.start_main_~x~4 336), 145202#(<= ULTIMATE.start_main_~x~4 346), 145203#(<= ULTIMATE.start_main_~x~4 348), 145200#(<= ULTIMATE.start_main_~x~4 342), 145201#(<= ULTIMATE.start_main_~x~4 344), 145206#(<= ULTIMATE.start_main_~x~4 354), 145207#(<= ULTIMATE.start_main_~x~4 356), 145204#(<= ULTIMATE.start_main_~x~4 350), 145205#(<= ULTIMATE.start_main_~x~4 352), 145210#(<= ULTIMATE.start_main_~x~4 362), 145211#(<= ULTIMATE.start_main_~x~4 364), 145208#(<= ULTIMATE.start_main_~x~4 358), 145209#(<= ULTIMATE.start_main_~x~4 360), 145214#(<= ULTIMATE.start_main_~x~4 370), 145215#(<= ULTIMATE.start_main_~x~4 372), 145212#(<= ULTIMATE.start_main_~x~4 366), 145213#(<= ULTIMATE.start_main_~x~4 368), 145218#(<= ULTIMATE.start_main_~x~4 378), 145219#(<= ULTIMATE.start_main_~x~4 380), 145216#(<= ULTIMATE.start_main_~x~4 374), 145217#(<= ULTIMATE.start_main_~x~4 376), 145222#(<= ULTIMATE.start_main_~x~4 386), 145223#(<= ULTIMATE.start_main_~x~4 388), 145220#(<= ULTIMATE.start_main_~x~4 382), 145221#(<= ULTIMATE.start_main_~x~4 384), 145226#(<= ULTIMATE.start_main_~x~4 394), 145227#(<= ULTIMATE.start_main_~x~4 396), 145224#(<= ULTIMATE.start_main_~x~4 390), 145225#(<= ULTIMATE.start_main_~x~4 392), 145230#(<= ULTIMATE.start_main_~x~4 402), 145231#(<= ULTIMATE.start_main_~x~4 404), 145228#(<= ULTIMATE.start_main_~x~4 398), 145229#(<= ULTIMATE.start_main_~x~4 400), 145234#(<= ULTIMATE.start_main_~x~4 410), 145235#(<= ULTIMATE.start_main_~x~4 412), 145232#(<= ULTIMATE.start_main_~x~4 406), 145233#(<= ULTIMATE.start_main_~x~4 408), 145238#(<= ULTIMATE.start_main_~x~4 418), 145239#(<= ULTIMATE.start_main_~x~4 420), 145236#(<= ULTIMATE.start_main_~x~4 414), 145237#(<= ULTIMATE.start_main_~x~4 416), 145242#(<= ULTIMATE.start_main_~x~4 426), 145243#(<= ULTIMATE.start_main_~x~4 428), 145240#(<= ULTIMATE.start_main_~x~4 422), 145241#(<= ULTIMATE.start_main_~x~4 424), 145246#(<= ULTIMATE.start_main_~x~4 434), 145247#(<= ULTIMATE.start_main_~x~4 436), 145244#(<= ULTIMATE.start_main_~x~4 430), 145245#(<= ULTIMATE.start_main_~x~4 432), 145250#(<= ULTIMATE.start_main_~x~4 442), 145251#(<= ULTIMATE.start_main_~x~4 444), 145248#(<= ULTIMATE.start_main_~x~4 438), 145249#(<= ULTIMATE.start_main_~x~4 440), 145254#(<= ULTIMATE.start_main_~x~4 450), 145255#(<= ULTIMATE.start_main_~x~4 452), 145252#(<= ULTIMATE.start_main_~x~4 446), 145253#(<= ULTIMATE.start_main_~x~4 448), 145258#(<= ULTIMATE.start_main_~x~4 458), 145259#(<= ULTIMATE.start_main_~x~4 460), 145256#(<= ULTIMATE.start_main_~x~4 454), 145257#(<= ULTIMATE.start_main_~x~4 456), 145262#(<= ULTIMATE.start_main_~x~4 466), 145263#(<= ULTIMATE.start_main_~x~4 468), 145260#(<= ULTIMATE.start_main_~x~4 462), 145261#(<= ULTIMATE.start_main_~x~4 464), 145266#(<= ULTIMATE.start_main_~x~4 474), 145267#(<= ULTIMATE.start_main_~x~4 476), 145264#(<= ULTIMATE.start_main_~x~4 470), 145265#(<= ULTIMATE.start_main_~x~4 472), 145270#(<= ULTIMATE.start_main_~x~4 482), 145268#(<= ULTIMATE.start_main_~x~4 478), 145269#(<= ULTIMATE.start_main_~x~4 480)] [2018-07-23 13:44:45,866 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 13:44:45,866 INFO L450 AbstractCegarLoop]: Interpolant automaton has 239 states [2018-07-23 13:44:45,868 INFO L132 InterpolantAutomaton]: Constructing interpolant automaton starting with 239 interpolants. [2018-07-23 13:44:45,870 INFO L133 InterpolantAutomaton]: CoverageRelationStatistics Valid=28441, Invalid=28441, Unknown=0, NotChecked=0, Total=56882 [2018-07-23 13:44:45,870 INFO L87 Difference]: Start difference. First operand 240 states and 240 transitions. Second operand 239 states. [2018-07-23 13:44:47,087 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2018-07-23 13:44:47,088 INFO L93 Difference]: Finished difference Result 243 states and 243 transitions. [2018-07-23 13:44:47,088 INFO L142 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 239 states. [2018-07-23 13:44:47,088 INFO L78 Accepts]: Start accepts. Automaton has 239 states. Word has length 239 [2018-07-23 13:44:47,088 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2018-07-23 13:44:47,088 INFO L225 Difference]: With dead ends: 243 [2018-07-23 13:44:47,088 INFO L226 Difference]: Without dead ends: 241 [2018-07-23 13:44:47,090 INFO L575 BasicCegarLoop]: 0 DeclaredPredicates, 238 GetRequests, 1 SyntacticMatches, 0 SemanticMatches, 237 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 0 ImplicationChecksByTransitivity, 1.1s TimeCoverageRelationStatistics Valid=28441, Invalid=28441, Unknown=0, NotChecked=0, Total=56882 [2018-07-23 13:44:47,090 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 241 states. [2018-07-23 13:44:47,092 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 241 to 241. [2018-07-23 13:44:47,092 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 241 states. [2018-07-23 13:44:47,093 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 241 states to 241 states and 241 transitions. [2018-07-23 13:44:47,093 INFO L78 Accepts]: Start accepts. Automaton has 241 states and 241 transitions. Word has length 239 [2018-07-23 13:44:47,093 INFO L84 Accepts]: Finished accepts. word is rejected. [2018-07-23 13:44:47,093 INFO L471 AbstractCegarLoop]: Abstraction has 241 states and 241 transitions. [2018-07-23 13:44:47,093 INFO L472 AbstractCegarLoop]: Interpolant automaton has 239 states. [2018-07-23 13:44:47,093 INFO L276 IsEmpty]: Start isEmpty. Operand 241 states and 241 transitions. [2018-07-23 13:44:47,094 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 241 [2018-07-23 13:44:47,094 INFO L349 BasicCegarLoop]: Found error trace [2018-07-23 13:44:47,094 INFO L357 BasicCegarLoop]: trace histogram [237, 1, 1, 1] [2018-07-23 13:44:47,094 INFO L414 AbstractCegarLoop]: === Iteration 238 === [ULTIMATE.startErr0AssertViolationASSERT]=== [2018-07-23 13:44:47,094 INFO L82 PathProgramCache]: Analyzing trace with hash 2142931944, now seen corresponding path program 237 times [2018-07-23 13:44:47,094 INFO L69 tionRefinementEngine]: Using refinement strategy FixedRefinementStrategy [2018-07-23 13:44:47,111 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-07-23 13:44:48,260 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 13:44:48,261 INFO L309 seRefinementStrategy]: Constructing automaton from 0 perfect and 1 imperfect interpolant sequences. [2018-07-23 13:44:48,261 INFO L324 seRefinementStrategy]: Number of different interpolants: perfect sequences [] imperfect sequences [239] total 239 [2018-07-23 13:44:48,261 INFO L142 lantAutomatonBuilder]: Constructing canonical interpolant automaton, with selfloop in false state [2018-07-23 13:44:48,261 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 13:44:48,261 INFO L185 omatonBuilderFactory]: Interpolants [146434#(<= ULTIMATE.start_main_~x~4 396), 146435#(<= ULTIMATE.start_main_~x~4 398), 146432#(<= ULTIMATE.start_main_~x~4 392), 146433#(<= ULTIMATE.start_main_~x~4 394), 146438#(<= ULTIMATE.start_main_~x~4 404), 146439#(<= ULTIMATE.start_main_~x~4 406), 146436#(<= ULTIMATE.start_main_~x~4 400), 146437#(<= ULTIMATE.start_main_~x~4 402), 146442#(<= ULTIMATE.start_main_~x~4 412), 146443#(<= ULTIMATE.start_main_~x~4 414), 146440#(<= ULTIMATE.start_main_~x~4 408), 146441#(<= ULTIMATE.start_main_~x~4 410), 146446#(<= ULTIMATE.start_main_~x~4 420), 146447#(<= ULTIMATE.start_main_~x~4 422), 146444#(<= ULTIMATE.start_main_~x~4 416), 146445#(<= ULTIMATE.start_main_~x~4 418), 146450#(<= ULTIMATE.start_main_~x~4 428), 146451#(<= ULTIMATE.start_main_~x~4 430), 146448#(<= ULTIMATE.start_main_~x~4 424), 146449#(<= ULTIMATE.start_main_~x~4 426), 146454#(<= ULTIMATE.start_main_~x~4 436), 146455#(<= ULTIMATE.start_main_~x~4 438), 146452#(<= ULTIMATE.start_main_~x~4 432), 146453#(<= ULTIMATE.start_main_~x~4 434), 146458#(<= ULTIMATE.start_main_~x~4 444), 146459#(<= ULTIMATE.start_main_~x~4 446), 146456#(<= ULTIMATE.start_main_~x~4 440), 146457#(<= ULTIMATE.start_main_~x~4 442), 146462#(<= ULTIMATE.start_main_~x~4 452), 146463#(<= ULTIMATE.start_main_~x~4 454), 146460#(<= ULTIMATE.start_main_~x~4 448), 146461#(<= ULTIMATE.start_main_~x~4 450), 146466#(<= ULTIMATE.start_main_~x~4 460), 146467#(<= ULTIMATE.start_main_~x~4 462), 146464#(<= ULTIMATE.start_main_~x~4 456), 146465#(<= ULTIMATE.start_main_~x~4 458), 146470#(<= ULTIMATE.start_main_~x~4 468), 146471#(<= ULTIMATE.start_main_~x~4 470), 146468#(<= ULTIMATE.start_main_~x~4 464), 146469#(<= ULTIMATE.start_main_~x~4 466), 146474#(<= ULTIMATE.start_main_~x~4 476), 146475#(<= ULTIMATE.start_main_~x~4 478), 146472#(<= ULTIMATE.start_main_~x~4 472), 146473#(<= ULTIMATE.start_main_~x~4 474), 146478#(<= ULTIMATE.start_main_~x~4 484), 146476#(<= ULTIMATE.start_main_~x~4 480), 146477#(<= ULTIMATE.start_main_~x~4 482), 146239#true, 146242#(<= ULTIMATE.start_main_~x~4 12), 146243#(<= ULTIMATE.start_main_~x~4 14), 146240#false, 146241#(<= ULTIMATE.start_main_~x~4 10), 146246#(<= ULTIMATE.start_main_~x~4 20), 146247#(<= ULTIMATE.start_main_~x~4 22), 146244#(<= ULTIMATE.start_main_~x~4 16), 146245#(<= ULTIMATE.start_main_~x~4 18), 146250#(<= ULTIMATE.start_main_~x~4 28), 146251#(<= ULTIMATE.start_main_~x~4 30), 146248#(<= ULTIMATE.start_main_~x~4 24), 146249#(<= ULTIMATE.start_main_~x~4 26), 146254#(<= ULTIMATE.start_main_~x~4 36), 146255#(<= ULTIMATE.start_main_~x~4 38), 146252#(<= ULTIMATE.start_main_~x~4 32), 146253#(<= ULTIMATE.start_main_~x~4 34), 146258#(<= ULTIMATE.start_main_~x~4 44), 146259#(<= ULTIMATE.start_main_~x~4 46), 146256#(<= ULTIMATE.start_main_~x~4 40), 146257#(<= ULTIMATE.start_main_~x~4 42), 146262#(<= ULTIMATE.start_main_~x~4 52), 146263#(<= ULTIMATE.start_main_~x~4 54), 146260#(<= ULTIMATE.start_main_~x~4 48), 146261#(<= ULTIMATE.start_main_~x~4 50), 146266#(<= ULTIMATE.start_main_~x~4 60), 146267#(<= ULTIMATE.start_main_~x~4 62), 146264#(<= ULTIMATE.start_main_~x~4 56), 146265#(<= ULTIMATE.start_main_~x~4 58), 146270#(<= ULTIMATE.start_main_~x~4 68), 146271#(<= ULTIMATE.start_main_~x~4 70), 146268#(<= ULTIMATE.start_main_~x~4 64), 146269#(<= ULTIMATE.start_main_~x~4 66), 146274#(<= ULTIMATE.start_main_~x~4 76), 146275#(<= ULTIMATE.start_main_~x~4 78), 146272#(<= ULTIMATE.start_main_~x~4 72), 146273#(<= ULTIMATE.start_main_~x~4 74), 146278#(<= ULTIMATE.start_main_~x~4 84), 146279#(<= ULTIMATE.start_main_~x~4 86), 146276#(<= ULTIMATE.start_main_~x~4 80), 146277#(<= ULTIMATE.start_main_~x~4 82), 146282#(<= ULTIMATE.start_main_~x~4 92), 146283#(<= ULTIMATE.start_main_~x~4 94), 146280#(<= ULTIMATE.start_main_~x~4 88), 146281#(<= ULTIMATE.start_main_~x~4 90), 146286#(<= ULTIMATE.start_main_~x~4 100), 146287#(<= ULTIMATE.start_main_~x~4 102), 146284#(<= ULTIMATE.start_main_~x~4 96), 146285#(<= ULTIMATE.start_main_~x~4 98), 146290#(<= ULTIMATE.start_main_~x~4 108), 146291#(<= ULTIMATE.start_main_~x~4 110), 146288#(<= ULTIMATE.start_main_~x~4 104), 146289#(<= ULTIMATE.start_main_~x~4 106), 146294#(<= ULTIMATE.start_main_~x~4 116), 146295#(<= ULTIMATE.start_main_~x~4 118), 146292#(<= ULTIMATE.start_main_~x~4 112), 146293#(<= ULTIMATE.start_main_~x~4 114), 146298#(<= ULTIMATE.start_main_~x~4 124), 146299#(<= ULTIMATE.start_main_~x~4 126), 146296#(<= ULTIMATE.start_main_~x~4 120), 146297#(<= ULTIMATE.start_main_~x~4 122), 146302#(<= ULTIMATE.start_main_~x~4 132), 146303#(<= ULTIMATE.start_main_~x~4 134), 146300#(<= ULTIMATE.start_main_~x~4 128), 146301#(<= ULTIMATE.start_main_~x~4 130), 146306#(<= ULTIMATE.start_main_~x~4 140), 146307#(<= ULTIMATE.start_main_~x~4 142), 146304#(<= ULTIMATE.start_main_~x~4 136), 146305#(<= ULTIMATE.start_main_~x~4 138), 146310#(<= ULTIMATE.start_main_~x~4 148), 146311#(<= ULTIMATE.start_main_~x~4 150), 146308#(<= ULTIMATE.start_main_~x~4 144), 146309#(<= ULTIMATE.start_main_~x~4 146), 146314#(<= ULTIMATE.start_main_~x~4 156), 146315#(<= ULTIMATE.start_main_~x~4 158), 146312#(<= ULTIMATE.start_main_~x~4 152), 146313#(<= ULTIMATE.start_main_~x~4 154), 146318#(<= ULTIMATE.start_main_~x~4 164), 146319#(<= ULTIMATE.start_main_~x~4 166), 146316#(<= ULTIMATE.start_main_~x~4 160), 146317#(<= ULTIMATE.start_main_~x~4 162), 146322#(<= ULTIMATE.start_main_~x~4 172), 146323#(<= ULTIMATE.start_main_~x~4 174), 146320#(<= ULTIMATE.start_main_~x~4 168), 146321#(<= ULTIMATE.start_main_~x~4 170), 146326#(<= ULTIMATE.start_main_~x~4 180), 146327#(<= ULTIMATE.start_main_~x~4 182), 146324#(<= ULTIMATE.start_main_~x~4 176), 146325#(<= ULTIMATE.start_main_~x~4 178), 146330#(<= ULTIMATE.start_main_~x~4 188), 146331#(<= ULTIMATE.start_main_~x~4 190), 146328#(<= ULTIMATE.start_main_~x~4 184), 146329#(<= ULTIMATE.start_main_~x~4 186), 146334#(<= ULTIMATE.start_main_~x~4 196), 146335#(<= ULTIMATE.start_main_~x~4 198), 146332#(<= ULTIMATE.start_main_~x~4 192), 146333#(<= ULTIMATE.start_main_~x~4 194), 146338#(<= ULTIMATE.start_main_~x~4 204), 146339#(<= ULTIMATE.start_main_~x~4 206), 146336#(<= ULTIMATE.start_main_~x~4 200), 146337#(<= ULTIMATE.start_main_~x~4 202), 146342#(<= ULTIMATE.start_main_~x~4 212), 146343#(<= ULTIMATE.start_main_~x~4 214), 146340#(<= ULTIMATE.start_main_~x~4 208), 146341#(<= ULTIMATE.start_main_~x~4 210), 146346#(<= ULTIMATE.start_main_~x~4 220), 146347#(<= ULTIMATE.start_main_~x~4 222), 146344#(<= ULTIMATE.start_main_~x~4 216), 146345#(<= ULTIMATE.start_main_~x~4 218), 146350#(<= ULTIMATE.start_main_~x~4 228), 146351#(<= ULTIMATE.start_main_~x~4 230), 146348#(<= ULTIMATE.start_main_~x~4 224), 146349#(<= ULTIMATE.start_main_~x~4 226), 146354#(<= ULTIMATE.start_main_~x~4 236), 146355#(<= ULTIMATE.start_main_~x~4 238), 146352#(<= ULTIMATE.start_main_~x~4 232), 146353#(<= ULTIMATE.start_main_~x~4 234), 146358#(<= ULTIMATE.start_main_~x~4 244), 146359#(<= ULTIMATE.start_main_~x~4 246), 146356#(<= ULTIMATE.start_main_~x~4 240), 146357#(<= ULTIMATE.start_main_~x~4 242), 146362#(<= ULTIMATE.start_main_~x~4 252), 146363#(<= ULTIMATE.start_main_~x~4 254), 146360#(<= ULTIMATE.start_main_~x~4 248), 146361#(<= ULTIMATE.start_main_~x~4 250), 146366#(<= ULTIMATE.start_main_~x~4 260), 146367#(<= ULTIMATE.start_main_~x~4 262), 146364#(<= ULTIMATE.start_main_~x~4 256), 146365#(<= ULTIMATE.start_main_~x~4 258), 146370#(<= ULTIMATE.start_main_~x~4 268), 146371#(<= ULTIMATE.start_main_~x~4 270), 146368#(<= ULTIMATE.start_main_~x~4 264), 146369#(<= ULTIMATE.start_main_~x~4 266), 146374#(<= ULTIMATE.start_main_~x~4 276), 146375#(<= ULTIMATE.start_main_~x~4 278), 146372#(<= ULTIMATE.start_main_~x~4 272), 146373#(<= ULTIMATE.start_main_~x~4 274), 146378#(<= ULTIMATE.start_main_~x~4 284), 146379#(<= ULTIMATE.start_main_~x~4 286), 146376#(<= ULTIMATE.start_main_~x~4 280), 146377#(<= ULTIMATE.start_main_~x~4 282), 146382#(<= ULTIMATE.start_main_~x~4 292), 146383#(<= ULTIMATE.start_main_~x~4 294), 146380#(<= ULTIMATE.start_main_~x~4 288), 146381#(<= ULTIMATE.start_main_~x~4 290), 146386#(<= ULTIMATE.start_main_~x~4 300), 146387#(<= ULTIMATE.start_main_~x~4 302), 146384#(<= ULTIMATE.start_main_~x~4 296), 146385#(<= ULTIMATE.start_main_~x~4 298), 146390#(<= ULTIMATE.start_main_~x~4 308), 146391#(<= ULTIMATE.start_main_~x~4 310), 146388#(<= ULTIMATE.start_main_~x~4 304), 146389#(<= ULTIMATE.start_main_~x~4 306), 146394#(<= ULTIMATE.start_main_~x~4 316), 146395#(<= ULTIMATE.start_main_~x~4 318), 146392#(<= ULTIMATE.start_main_~x~4 312), 146393#(<= ULTIMATE.start_main_~x~4 314), 146398#(<= ULTIMATE.start_main_~x~4 324), 146399#(<= ULTIMATE.start_main_~x~4 326), 146396#(<= ULTIMATE.start_main_~x~4 320), 146397#(<= ULTIMATE.start_main_~x~4 322), 146402#(<= ULTIMATE.start_main_~x~4 332), 146403#(<= ULTIMATE.start_main_~x~4 334), 146400#(<= ULTIMATE.start_main_~x~4 328), 146401#(<= ULTIMATE.start_main_~x~4 330), 146406#(<= ULTIMATE.start_main_~x~4 340), 146407#(<= ULTIMATE.start_main_~x~4 342), 146404#(<= ULTIMATE.start_main_~x~4 336), 146405#(<= ULTIMATE.start_main_~x~4 338), 146410#(<= ULTIMATE.start_main_~x~4 348), 146411#(<= ULTIMATE.start_main_~x~4 350), 146408#(<= ULTIMATE.start_main_~x~4 344), 146409#(<= ULTIMATE.start_main_~x~4 346), 146414#(<= ULTIMATE.start_main_~x~4 356), 146415#(<= ULTIMATE.start_main_~x~4 358), 146412#(<= ULTIMATE.start_main_~x~4 352), 146413#(<= ULTIMATE.start_main_~x~4 354), 146418#(<= ULTIMATE.start_main_~x~4 364), 146419#(<= ULTIMATE.start_main_~x~4 366), 146416#(<= ULTIMATE.start_main_~x~4 360), 146417#(<= ULTIMATE.start_main_~x~4 362), 146422#(<= ULTIMATE.start_main_~x~4 372), 146423#(<= ULTIMATE.start_main_~x~4 374), 146420#(<= ULTIMATE.start_main_~x~4 368), 146421#(<= ULTIMATE.start_main_~x~4 370), 146426#(<= ULTIMATE.start_main_~x~4 380), 146427#(<= ULTIMATE.start_main_~x~4 382), 146424#(<= ULTIMATE.start_main_~x~4 376), 146425#(<= ULTIMATE.start_main_~x~4 378), 146430#(<= ULTIMATE.start_main_~x~4 388), 146431#(<= ULTIMATE.start_main_~x~4 390), 146428#(<= ULTIMATE.start_main_~x~4 384), 146429#(<= ULTIMATE.start_main_~x~4 386)] [2018-07-23 13:44:48,263 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 13:44:48,263 INFO L450 AbstractCegarLoop]: Interpolant automaton has 240 states [2018-07-23 13:44:48,267 INFO L132 InterpolantAutomaton]: Constructing interpolant automaton starting with 240 interpolants. [2018-07-23 13:44:48,270 INFO L133 InterpolantAutomaton]: CoverageRelationStatistics Valid=28680, Invalid=28680, Unknown=0, NotChecked=0, Total=57360 [2018-07-23 13:44:48,270 INFO L87 Difference]: Start difference. First operand 241 states and 241 transitions. Second operand 240 states. [2018-07-23 13:44:49,275 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2018-07-23 13:44:49,275 INFO L93 Difference]: Finished difference Result 244 states and 244 transitions. [2018-07-23 13:44:49,276 INFO L142 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 240 states. [2018-07-23 13:44:49,276 INFO L78 Accepts]: Start accepts. Automaton has 240 states. Word has length 240 [2018-07-23 13:44:49,276 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2018-07-23 13:44:49,276 INFO L225 Difference]: With dead ends: 244 [2018-07-23 13:44:49,276 INFO L226 Difference]: Without dead ends: 242 [2018-07-23 13:44:49,280 INFO L575 BasicCegarLoop]: 0 DeclaredPredicates, 239 GetRequests, 1 SyntacticMatches, 0 SemanticMatches, 238 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 0 ImplicationChecksByTransitivity, 1.0s TimeCoverageRelationStatistics Valid=28680, Invalid=28680, Unknown=0, NotChecked=0, Total=57360 [2018-07-23 13:44:49,281 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 242 states. [2018-07-23 13:44:49,283 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 242 to 242. [2018-07-23 13:44:49,283 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 242 states. [2018-07-23 13:44:49,283 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 242 states to 242 states and 242 transitions. [2018-07-23 13:44:49,283 INFO L78 Accepts]: Start accepts. Automaton has 242 states and 242 transitions. Word has length 240 [2018-07-23 13:44:49,283 INFO L84 Accepts]: Finished accepts. word is rejected. [2018-07-23 13:44:49,283 INFO L471 AbstractCegarLoop]: Abstraction has 242 states and 242 transitions. [2018-07-23 13:44:49,284 INFO L472 AbstractCegarLoop]: Interpolant automaton has 240 states. [2018-07-23 13:44:49,284 INFO L276 IsEmpty]: Start isEmpty. Operand 242 states and 242 transitions. [2018-07-23 13:44:49,284 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 242 [2018-07-23 13:44:49,284 INFO L349 BasicCegarLoop]: Found error trace [2018-07-23 13:44:49,284 INFO L357 BasicCegarLoop]: trace histogram [238, 1, 1, 1] [2018-07-23 13:44:49,284 INFO L414 AbstractCegarLoop]: === Iteration 239 === [ULTIMATE.startErr0AssertViolationASSERT]=== [2018-07-23 13:44:49,285 INFO L82 PathProgramCache]: Analyzing trace with hash 2006378849, now seen corresponding path program 238 times [2018-07-23 13:44:49,285 INFO L69 tionRefinementEngine]: Using refinement strategy FixedRefinementStrategy [2018-07-23 13:44:49,305 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-07-23 13:44:50,571 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 13:44:50,571 INFO L309 seRefinementStrategy]: Constructing automaton from 0 perfect and 1 imperfect interpolant sequences. [2018-07-23 13:44:50,572 INFO L324 seRefinementStrategy]: Number of different interpolants: perfect sequences [] imperfect sequences [240] total 240 [2018-07-23 13:44:50,572 INFO L142 lantAutomatonBuilder]: Constructing canonical interpolant automaton, with selfloop in false state [2018-07-23 13:44:50,572 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2018-07-23 13:44:50,572 INFO L185 omatonBuilderFactory]: Interpolants [147458#(<= ULTIMATE.start_main_~x~4 20), 147459#(<= ULTIMATE.start_main_~x~4 22), 147456#(<= ULTIMATE.start_main_~x~4 16), 147457#(<= ULTIMATE.start_main_~x~4 18), 147462#(<= ULTIMATE.start_main_~x~4 28), 147463#(<= ULTIMATE.start_main_~x~4 30), 147460#(<= ULTIMATE.start_main_~x~4 24), 147461#(<= ULTIMATE.start_main_~x~4 26), 147466#(<= ULTIMATE.start_main_~x~4 36), 147467#(<= ULTIMATE.start_main_~x~4 38), 147464#(<= ULTIMATE.start_main_~x~4 32), 147465#(<= ULTIMATE.start_main_~x~4 34), 147470#(<= ULTIMATE.start_main_~x~4 44), 147471#(<= ULTIMATE.start_main_~x~4 46), 147468#(<= ULTIMATE.start_main_~x~4 40), 147469#(<= ULTIMATE.start_main_~x~4 42), 147474#(<= ULTIMATE.start_main_~x~4 52), 147475#(<= ULTIMATE.start_main_~x~4 54), 147472#(<= ULTIMATE.start_main_~x~4 48), 147473#(<= ULTIMATE.start_main_~x~4 50), 147478#(<= ULTIMATE.start_main_~x~4 60), 147479#(<= ULTIMATE.start_main_~x~4 62), 147476#(<= ULTIMATE.start_main_~x~4 56), 147477#(<= ULTIMATE.start_main_~x~4 58), 147482#(<= ULTIMATE.start_main_~x~4 68), 147483#(<= ULTIMATE.start_main_~x~4 70), 147480#(<= ULTIMATE.start_main_~x~4 64), 147481#(<= ULTIMATE.start_main_~x~4 66), 147486#(<= ULTIMATE.start_main_~x~4 76), 147487#(<= ULTIMATE.start_main_~x~4 78), 147484#(<= ULTIMATE.start_main_~x~4 72), 147485#(<= ULTIMATE.start_main_~x~4 74), 147490#(<= ULTIMATE.start_main_~x~4 84), 147491#(<= ULTIMATE.start_main_~x~4 86), 147488#(<= ULTIMATE.start_main_~x~4 80), 147489#(<= ULTIMATE.start_main_~x~4 82), 147494#(<= ULTIMATE.start_main_~x~4 92), 147495#(<= ULTIMATE.start_main_~x~4 94), 147492#(<= ULTIMATE.start_main_~x~4 88), 147493#(<= ULTIMATE.start_main_~x~4 90), 147498#(<= ULTIMATE.start_main_~x~4 100), 147499#(<= ULTIMATE.start_main_~x~4 102), 147496#(<= ULTIMATE.start_main_~x~4 96), 147497#(<= ULTIMATE.start_main_~x~4 98), 147502#(<= ULTIMATE.start_main_~x~4 108), 147503#(<= ULTIMATE.start_main_~x~4 110), 147500#(<= ULTIMATE.start_main_~x~4 104), 147501#(<= ULTIMATE.start_main_~x~4 106), 147506#(<= ULTIMATE.start_main_~x~4 116), 147507#(<= ULTIMATE.start_main_~x~4 118), 147504#(<= ULTIMATE.start_main_~x~4 112), 147505#(<= ULTIMATE.start_main_~x~4 114), 147510#(<= ULTIMATE.start_main_~x~4 124), 147511#(<= ULTIMATE.start_main_~x~4 126), 147508#(<= ULTIMATE.start_main_~x~4 120), 147509#(<= ULTIMATE.start_main_~x~4 122), 147514#(<= ULTIMATE.start_main_~x~4 132), 147515#(<= ULTIMATE.start_main_~x~4 134), 147512#(<= ULTIMATE.start_main_~x~4 128), 147513#(<= ULTIMATE.start_main_~x~4 130), 147518#(<= ULTIMATE.start_main_~x~4 140), 147519#(<= ULTIMATE.start_main_~x~4 142), 147516#(<= ULTIMATE.start_main_~x~4 136), 147517#(<= ULTIMATE.start_main_~x~4 138), 147522#(<= ULTIMATE.start_main_~x~4 148), 147523#(<= ULTIMATE.start_main_~x~4 150), 147520#(<= ULTIMATE.start_main_~x~4 144), 147521#(<= ULTIMATE.start_main_~x~4 146), 147526#(<= ULTIMATE.start_main_~x~4 156), 147527#(<= ULTIMATE.start_main_~x~4 158), 147524#(<= ULTIMATE.start_main_~x~4 152), 147525#(<= ULTIMATE.start_main_~x~4 154), 147530#(<= ULTIMATE.start_main_~x~4 164), 147531#(<= ULTIMATE.start_main_~x~4 166), 147528#(<= ULTIMATE.start_main_~x~4 160), 147529#(<= ULTIMATE.start_main_~x~4 162), 147534#(<= ULTIMATE.start_main_~x~4 172), 147535#(<= ULTIMATE.start_main_~x~4 174), 147532#(<= ULTIMATE.start_main_~x~4 168), 147533#(<= ULTIMATE.start_main_~x~4 170), 147538#(<= ULTIMATE.start_main_~x~4 180), 147539#(<= ULTIMATE.start_main_~x~4 182), 147536#(<= ULTIMATE.start_main_~x~4 176), 147537#(<= ULTIMATE.start_main_~x~4 178), 147542#(<= ULTIMATE.start_main_~x~4 188), 147543#(<= ULTIMATE.start_main_~x~4 190), 147540#(<= ULTIMATE.start_main_~x~4 184), 147541#(<= ULTIMATE.start_main_~x~4 186), 147546#(<= ULTIMATE.start_main_~x~4 196), 147547#(<= ULTIMATE.start_main_~x~4 198), 147544#(<= ULTIMATE.start_main_~x~4 192), 147545#(<= ULTIMATE.start_main_~x~4 194), 147550#(<= ULTIMATE.start_main_~x~4 204), 147551#(<= ULTIMATE.start_main_~x~4 206), 147548#(<= ULTIMATE.start_main_~x~4 200), 147549#(<= ULTIMATE.start_main_~x~4 202), 147554#(<= ULTIMATE.start_main_~x~4 212), 147555#(<= ULTIMATE.start_main_~x~4 214), 147552#(<= ULTIMATE.start_main_~x~4 208), 147553#(<= ULTIMATE.start_main_~x~4 210), 147558#(<= ULTIMATE.start_main_~x~4 220), 147559#(<= ULTIMATE.start_main_~x~4 222), 147556#(<= ULTIMATE.start_main_~x~4 216), 147557#(<= ULTIMATE.start_main_~x~4 218), 147562#(<= ULTIMATE.start_main_~x~4 228), 147563#(<= ULTIMATE.start_main_~x~4 230), 147560#(<= ULTIMATE.start_main_~x~4 224), 147561#(<= ULTIMATE.start_main_~x~4 226), 147566#(<= ULTIMATE.start_main_~x~4 236), 147567#(<= ULTIMATE.start_main_~x~4 238), 147564#(<= ULTIMATE.start_main_~x~4 232), 147565#(<= ULTIMATE.start_main_~x~4 234), 147570#(<= ULTIMATE.start_main_~x~4 244), 147571#(<= ULTIMATE.start_main_~x~4 246), 147568#(<= ULTIMATE.start_main_~x~4 240), 147569#(<= ULTIMATE.start_main_~x~4 242), 147574#(<= ULTIMATE.start_main_~x~4 252), 147575#(<= ULTIMATE.start_main_~x~4 254), 147572#(<= ULTIMATE.start_main_~x~4 248), 147573#(<= ULTIMATE.start_main_~x~4 250), 147578#(<= ULTIMATE.start_main_~x~4 260), 147579#(<= ULTIMATE.start_main_~x~4 262), 147576#(<= ULTIMATE.start_main_~x~4 256), 147577#(<= ULTIMATE.start_main_~x~4 258), 147582#(<= ULTIMATE.start_main_~x~4 268), 147583#(<= ULTIMATE.start_main_~x~4 270), 147580#(<= ULTIMATE.start_main_~x~4 264), 147581#(<= ULTIMATE.start_main_~x~4 266), 147586#(<= ULTIMATE.start_main_~x~4 276), 147587#(<= ULTIMATE.start_main_~x~4 278), 147584#(<= ULTIMATE.start_main_~x~4 272), 147585#(<= ULTIMATE.start_main_~x~4 274), 147590#(<= ULTIMATE.start_main_~x~4 284), 147591#(<= ULTIMATE.start_main_~x~4 286), 147588#(<= ULTIMATE.start_main_~x~4 280), 147589#(<= ULTIMATE.start_main_~x~4 282), 147594#(<= ULTIMATE.start_main_~x~4 292), 147595#(<= ULTIMATE.start_main_~x~4 294), 147592#(<= ULTIMATE.start_main_~x~4 288), 147593#(<= ULTIMATE.start_main_~x~4 290), 147598#(<= ULTIMATE.start_main_~x~4 300), 147599#(<= ULTIMATE.start_main_~x~4 302), 147596#(<= ULTIMATE.start_main_~x~4 296), 147597#(<= ULTIMATE.start_main_~x~4 298), 147602#(<= ULTIMATE.start_main_~x~4 308), 147603#(<= ULTIMATE.start_main_~x~4 310), 147600#(<= ULTIMATE.start_main_~x~4 304), 147601#(<= ULTIMATE.start_main_~x~4 306), 147606#(<= ULTIMATE.start_main_~x~4 316), 147607#(<= ULTIMATE.start_main_~x~4 318), 147604#(<= ULTIMATE.start_main_~x~4 312), 147605#(<= ULTIMATE.start_main_~x~4 314), 147610#(<= ULTIMATE.start_main_~x~4 324), 147611#(<= ULTIMATE.start_main_~x~4 326), 147608#(<= ULTIMATE.start_main_~x~4 320), 147609#(<= ULTIMATE.start_main_~x~4 322), 147614#(<= ULTIMATE.start_main_~x~4 332), 147615#(<= ULTIMATE.start_main_~x~4 334), 147612#(<= ULTIMATE.start_main_~x~4 328), 147613#(<= ULTIMATE.start_main_~x~4 330), 147618#(<= ULTIMATE.start_main_~x~4 340), 147619#(<= ULTIMATE.start_main_~x~4 342), 147616#(<= ULTIMATE.start_main_~x~4 336), 147617#(<= ULTIMATE.start_main_~x~4 338), 147622#(<= ULTIMATE.start_main_~x~4 348), 147623#(<= ULTIMATE.start_main_~x~4 350), 147620#(<= ULTIMATE.start_main_~x~4 344), 147621#(<= ULTIMATE.start_main_~x~4 346), 147626#(<= ULTIMATE.start_main_~x~4 356), 147627#(<= ULTIMATE.start_main_~x~4 358), 147624#(<= ULTIMATE.start_main_~x~4 352), 147625#(<= ULTIMATE.start_main_~x~4 354), 147630#(<= ULTIMATE.start_main_~x~4 364), 147631#(<= ULTIMATE.start_main_~x~4 366), 147628#(<= ULTIMATE.start_main_~x~4 360), 147629#(<= ULTIMATE.start_main_~x~4 362), 147634#(<= ULTIMATE.start_main_~x~4 372), 147635#(<= ULTIMATE.start_main_~x~4 374), 147632#(<= ULTIMATE.start_main_~x~4 368), 147633#(<= ULTIMATE.start_main_~x~4 370), 147638#(<= ULTIMATE.start_main_~x~4 380), 147639#(<= ULTIMATE.start_main_~x~4 382), 147636#(<= ULTIMATE.start_main_~x~4 376), 147637#(<= ULTIMATE.start_main_~x~4 378), 147642#(<= ULTIMATE.start_main_~x~4 388), 147643#(<= ULTIMATE.start_main_~x~4 390), 147640#(<= ULTIMATE.start_main_~x~4 384), 147641#(<= ULTIMATE.start_main_~x~4 386), 147646#(<= ULTIMATE.start_main_~x~4 396), 147647#(<= ULTIMATE.start_main_~x~4 398), 147644#(<= ULTIMATE.start_main_~x~4 392), 147645#(<= ULTIMATE.start_main_~x~4 394), 147650#(<= ULTIMATE.start_main_~x~4 404), 147651#(<= ULTIMATE.start_main_~x~4 406), 147648#(<= ULTIMATE.start_main_~x~4 400), 147649#(<= ULTIMATE.start_main_~x~4 402), 147654#(<= ULTIMATE.start_main_~x~4 412), 147655#(<= ULTIMATE.start_main_~x~4 414), 147652#(<= ULTIMATE.start_main_~x~4 408), 147653#(<= ULTIMATE.start_main_~x~4 410), 147658#(<= ULTIMATE.start_main_~x~4 420), 147659#(<= ULTIMATE.start_main_~x~4 422), 147656#(<= ULTIMATE.start_main_~x~4 416), 147657#(<= ULTIMATE.start_main_~x~4 418), 147662#(<= ULTIMATE.start_main_~x~4 428), 147663#(<= ULTIMATE.start_main_~x~4 430), 147660#(<= ULTIMATE.start_main_~x~4 424), 147661#(<= ULTIMATE.start_main_~x~4 426), 147666#(<= ULTIMATE.start_main_~x~4 436), 147667#(<= ULTIMATE.start_main_~x~4 438), 147664#(<= ULTIMATE.start_main_~x~4 432), 147665#(<= ULTIMATE.start_main_~x~4 434), 147670#(<= ULTIMATE.start_main_~x~4 444), 147671#(<= ULTIMATE.start_main_~x~4 446), 147668#(<= ULTIMATE.start_main_~x~4 440), 147669#(<= ULTIMATE.start_main_~x~4 442), 147674#(<= ULTIMATE.start_main_~x~4 452), 147675#(<= ULTIMATE.start_main_~x~4 454), 147672#(<= ULTIMATE.start_main_~x~4 448), 147673#(<= ULTIMATE.start_main_~x~4 450), 147678#(<= ULTIMATE.start_main_~x~4 460), 147679#(<= ULTIMATE.start_main_~x~4 462), 147676#(<= ULTIMATE.start_main_~x~4 456), 147677#(<= ULTIMATE.start_main_~x~4 458), 147682#(<= ULTIMATE.start_main_~x~4 468), 147683#(<= ULTIMATE.start_main_~x~4 470), 147680#(<= ULTIMATE.start_main_~x~4 464), 147681#(<= ULTIMATE.start_main_~x~4 466), 147686#(<= ULTIMATE.start_main_~x~4 476), 147687#(<= ULTIMATE.start_main_~x~4 478), 147684#(<= ULTIMATE.start_main_~x~4 472), 147685#(<= ULTIMATE.start_main_~x~4 474), 147690#(<= ULTIMATE.start_main_~x~4 484), 147691#(<= ULTIMATE.start_main_~x~4 486), 147688#(<= ULTIMATE.start_main_~x~4 480), 147689#(<= ULTIMATE.start_main_~x~4 482), 147451#true, 147454#(<= ULTIMATE.start_main_~x~4 12), 147455#(<= ULTIMATE.start_main_~x~4 14), 147452#false, 147453#(<= ULTIMATE.start_main_~x~4 10)] [2018-07-23 13:44:50,573 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 13:44:50,574 INFO L450 AbstractCegarLoop]: Interpolant automaton has 241 states [2018-07-23 13:44:50,576 INFO L132 InterpolantAutomaton]: Constructing interpolant automaton starting with 241 interpolants. [2018-07-23 13:44:50,577 INFO L133 InterpolantAutomaton]: CoverageRelationStatistics Valid=28920, Invalid=28920, Unknown=0, NotChecked=0, Total=57840 [2018-07-23 13:44:50,578 INFO L87 Difference]: Start difference. First operand 242 states and 242 transitions. Second operand 241 states. [2018-07-23 13:44:52,534 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2018-07-23 13:44:52,534 INFO L93 Difference]: Finished difference Result 245 states and 245 transitions. [2018-07-23 13:44:52,534 INFO L142 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 241 states. [2018-07-23 13:44:52,534 INFO L78 Accepts]: Start accepts. Automaton has 241 states. Word has length 241 [2018-07-23 13:44:52,534 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2018-07-23 13:44:52,535 INFO L225 Difference]: With dead ends: 245 [2018-07-23 13:44:52,535 INFO L226 Difference]: Without dead ends: 243 [2018-07-23 13:44:52,537 INFO L575 BasicCegarLoop]: 0 DeclaredPredicates, 240 GetRequests, 1 SyntacticMatches, 0 SemanticMatches, 239 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 0 ImplicationChecksByTransitivity, 1.1s TimeCoverageRelationStatistics Valid=28920, Invalid=28920, Unknown=0, NotChecked=0, Total=57840 [2018-07-23 13:44:52,537 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 243 states. [2018-07-23 13:44:52,539 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 243 to 243. [2018-07-23 13:44:52,539 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 243 states. [2018-07-23 13:44:52,539 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 243 states to 243 states and 243 transitions. [2018-07-23 13:44:52,539 INFO L78 Accepts]: Start accepts. Automaton has 243 states and 243 transitions. Word has length 241 [2018-07-23 13:44:52,539 INFO L84 Accepts]: Finished accepts. word is rejected. [2018-07-23 13:44:52,539 INFO L471 AbstractCegarLoop]: Abstraction has 243 states and 243 transitions. [2018-07-23 13:44:52,539 INFO L472 AbstractCegarLoop]: Interpolant automaton has 241 states. [2018-07-23 13:44:52,539 INFO L276 IsEmpty]: Start isEmpty. Operand 243 states and 243 transitions. [2018-07-23 13:44:52,540 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 243 [2018-07-23 13:44:52,540 INFO L349 BasicCegarLoop]: Found error trace [2018-07-23 13:44:52,540 INFO L357 BasicCegarLoop]: trace histogram [239, 1, 1, 1] [2018-07-23 13:44:52,540 INFO L414 AbstractCegarLoop]: === Iteration 240 === [ULTIMATE.startErr0AssertViolationASSERT]=== [2018-07-23 13:44:52,540 INFO L82 PathProgramCache]: Analyzing trace with hash 2068200200, now seen corresponding path program 239 times [2018-07-23 13:44:52,540 INFO L69 tionRefinementEngine]: Using refinement strategy FixedRefinementStrategy [2018-07-23 13:44:52,558 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-07-23 13:44:53,782 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 13:44:53,783 INFO L309 seRefinementStrategy]: Constructing automaton from 0 perfect and 1 imperfect interpolant sequences. [2018-07-23 13:44:53,783 INFO L324 seRefinementStrategy]: Number of different interpolants: perfect sequences [] imperfect sequences [241] total 241 [2018-07-23 13:44:53,783 INFO L142 lantAutomatonBuilder]: Constructing canonical interpolant automaton, with selfloop in false state [2018-07-23 13:44:53,783 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2018-07-23 13:44:53,784 INFO L185 omatonBuilderFactory]: Interpolants [148670#(<= ULTIMATE.start_main_~x~4 10), 148671#(<= ULTIMATE.start_main_~x~4 12), 148668#true, 148669#false, 148674#(<= ULTIMATE.start_main_~x~4 18), 148675#(<= ULTIMATE.start_main_~x~4 20), 148672#(<= ULTIMATE.start_main_~x~4 14), 148673#(<= ULTIMATE.start_main_~x~4 16), 148678#(<= ULTIMATE.start_main_~x~4 26), 148679#(<= ULTIMATE.start_main_~x~4 28), 148676#(<= ULTIMATE.start_main_~x~4 22), 148677#(<= ULTIMATE.start_main_~x~4 24), 148682#(<= ULTIMATE.start_main_~x~4 34), 148683#(<= ULTIMATE.start_main_~x~4 36), 148680#(<= ULTIMATE.start_main_~x~4 30), 148681#(<= ULTIMATE.start_main_~x~4 32), 148686#(<= ULTIMATE.start_main_~x~4 42), 148687#(<= ULTIMATE.start_main_~x~4 44), 148684#(<= ULTIMATE.start_main_~x~4 38), 148685#(<= ULTIMATE.start_main_~x~4 40), 148690#(<= ULTIMATE.start_main_~x~4 50), 148691#(<= ULTIMATE.start_main_~x~4 52), 148688#(<= ULTIMATE.start_main_~x~4 46), 148689#(<= ULTIMATE.start_main_~x~4 48), 148694#(<= ULTIMATE.start_main_~x~4 58), 148695#(<= ULTIMATE.start_main_~x~4 60), 148692#(<= ULTIMATE.start_main_~x~4 54), 148693#(<= ULTIMATE.start_main_~x~4 56), 148698#(<= ULTIMATE.start_main_~x~4 66), 148699#(<= ULTIMATE.start_main_~x~4 68), 148696#(<= ULTIMATE.start_main_~x~4 62), 148697#(<= ULTIMATE.start_main_~x~4 64), 148702#(<= ULTIMATE.start_main_~x~4 74), 148703#(<= ULTIMATE.start_main_~x~4 76), 148700#(<= ULTIMATE.start_main_~x~4 70), 148701#(<= ULTIMATE.start_main_~x~4 72), 148706#(<= ULTIMATE.start_main_~x~4 82), 148707#(<= ULTIMATE.start_main_~x~4 84), 148704#(<= ULTIMATE.start_main_~x~4 78), 148705#(<= ULTIMATE.start_main_~x~4 80), 148710#(<= ULTIMATE.start_main_~x~4 90), 148711#(<= ULTIMATE.start_main_~x~4 92), 148708#(<= ULTIMATE.start_main_~x~4 86), 148709#(<= ULTIMATE.start_main_~x~4 88), 148714#(<= ULTIMATE.start_main_~x~4 98), 148715#(<= ULTIMATE.start_main_~x~4 100), 148712#(<= ULTIMATE.start_main_~x~4 94), 148713#(<= ULTIMATE.start_main_~x~4 96), 148718#(<= ULTIMATE.start_main_~x~4 106), 148719#(<= ULTIMATE.start_main_~x~4 108), 148716#(<= ULTIMATE.start_main_~x~4 102), 148717#(<= ULTIMATE.start_main_~x~4 104), 148722#(<= ULTIMATE.start_main_~x~4 114), 148723#(<= ULTIMATE.start_main_~x~4 116), 148720#(<= ULTIMATE.start_main_~x~4 110), 148721#(<= ULTIMATE.start_main_~x~4 112), 148726#(<= ULTIMATE.start_main_~x~4 122), 148727#(<= ULTIMATE.start_main_~x~4 124), 148724#(<= ULTIMATE.start_main_~x~4 118), 148725#(<= ULTIMATE.start_main_~x~4 120), 148730#(<= ULTIMATE.start_main_~x~4 130), 148731#(<= ULTIMATE.start_main_~x~4 132), 148728#(<= ULTIMATE.start_main_~x~4 126), 148729#(<= ULTIMATE.start_main_~x~4 128), 148734#(<= ULTIMATE.start_main_~x~4 138), 148735#(<= ULTIMATE.start_main_~x~4 140), 148732#(<= ULTIMATE.start_main_~x~4 134), 148733#(<= ULTIMATE.start_main_~x~4 136), 148738#(<= ULTIMATE.start_main_~x~4 146), 148739#(<= ULTIMATE.start_main_~x~4 148), 148736#(<= ULTIMATE.start_main_~x~4 142), 148737#(<= ULTIMATE.start_main_~x~4 144), 148742#(<= ULTIMATE.start_main_~x~4 154), 148743#(<= ULTIMATE.start_main_~x~4 156), 148740#(<= ULTIMATE.start_main_~x~4 150), 148741#(<= ULTIMATE.start_main_~x~4 152), 148746#(<= ULTIMATE.start_main_~x~4 162), 148747#(<= ULTIMATE.start_main_~x~4 164), 148744#(<= ULTIMATE.start_main_~x~4 158), 148745#(<= ULTIMATE.start_main_~x~4 160), 148750#(<= ULTIMATE.start_main_~x~4 170), 148751#(<= ULTIMATE.start_main_~x~4 172), 148748#(<= ULTIMATE.start_main_~x~4 166), 148749#(<= ULTIMATE.start_main_~x~4 168), 148754#(<= ULTIMATE.start_main_~x~4 178), 148755#(<= ULTIMATE.start_main_~x~4 180), 148752#(<= ULTIMATE.start_main_~x~4 174), 148753#(<= ULTIMATE.start_main_~x~4 176), 148758#(<= ULTIMATE.start_main_~x~4 186), 148759#(<= ULTIMATE.start_main_~x~4 188), 148756#(<= ULTIMATE.start_main_~x~4 182), 148757#(<= ULTIMATE.start_main_~x~4 184), 148762#(<= ULTIMATE.start_main_~x~4 194), 148763#(<= ULTIMATE.start_main_~x~4 196), 148760#(<= ULTIMATE.start_main_~x~4 190), 148761#(<= ULTIMATE.start_main_~x~4 192), 148766#(<= ULTIMATE.start_main_~x~4 202), 148767#(<= ULTIMATE.start_main_~x~4 204), 148764#(<= ULTIMATE.start_main_~x~4 198), 148765#(<= ULTIMATE.start_main_~x~4 200), 148770#(<= ULTIMATE.start_main_~x~4 210), 148771#(<= ULTIMATE.start_main_~x~4 212), 148768#(<= ULTIMATE.start_main_~x~4 206), 148769#(<= ULTIMATE.start_main_~x~4 208), 148774#(<= ULTIMATE.start_main_~x~4 218), 148775#(<= ULTIMATE.start_main_~x~4 220), 148772#(<= ULTIMATE.start_main_~x~4 214), 148773#(<= ULTIMATE.start_main_~x~4 216), 148778#(<= ULTIMATE.start_main_~x~4 226), 148779#(<= ULTIMATE.start_main_~x~4 228), 148776#(<= ULTIMATE.start_main_~x~4 222), 148777#(<= ULTIMATE.start_main_~x~4 224), 148782#(<= ULTIMATE.start_main_~x~4 234), 148783#(<= ULTIMATE.start_main_~x~4 236), 148780#(<= ULTIMATE.start_main_~x~4 230), 148781#(<= ULTIMATE.start_main_~x~4 232), 148786#(<= ULTIMATE.start_main_~x~4 242), 148787#(<= ULTIMATE.start_main_~x~4 244), 148784#(<= ULTIMATE.start_main_~x~4 238), 148785#(<= ULTIMATE.start_main_~x~4 240), 148790#(<= ULTIMATE.start_main_~x~4 250), 148791#(<= ULTIMATE.start_main_~x~4 252), 148788#(<= ULTIMATE.start_main_~x~4 246), 148789#(<= ULTIMATE.start_main_~x~4 248), 148794#(<= ULTIMATE.start_main_~x~4 258), 148795#(<= ULTIMATE.start_main_~x~4 260), 148792#(<= ULTIMATE.start_main_~x~4 254), 148793#(<= ULTIMATE.start_main_~x~4 256), 148798#(<= ULTIMATE.start_main_~x~4 266), 148799#(<= ULTIMATE.start_main_~x~4 268), 148796#(<= ULTIMATE.start_main_~x~4 262), 148797#(<= ULTIMATE.start_main_~x~4 264), 148802#(<= ULTIMATE.start_main_~x~4 274), 148803#(<= ULTIMATE.start_main_~x~4 276), 148800#(<= ULTIMATE.start_main_~x~4 270), 148801#(<= ULTIMATE.start_main_~x~4 272), 148806#(<= ULTIMATE.start_main_~x~4 282), 148807#(<= ULTIMATE.start_main_~x~4 284), 148804#(<= ULTIMATE.start_main_~x~4 278), 148805#(<= ULTIMATE.start_main_~x~4 280), 148810#(<= ULTIMATE.start_main_~x~4 290), 148811#(<= ULTIMATE.start_main_~x~4 292), 148808#(<= ULTIMATE.start_main_~x~4 286), 148809#(<= ULTIMATE.start_main_~x~4 288), 148814#(<= ULTIMATE.start_main_~x~4 298), 148815#(<= ULTIMATE.start_main_~x~4 300), 148812#(<= ULTIMATE.start_main_~x~4 294), 148813#(<= ULTIMATE.start_main_~x~4 296), 148818#(<= ULTIMATE.start_main_~x~4 306), 148819#(<= ULTIMATE.start_main_~x~4 308), 148816#(<= ULTIMATE.start_main_~x~4 302), 148817#(<= ULTIMATE.start_main_~x~4 304), 148822#(<= ULTIMATE.start_main_~x~4 314), 148823#(<= ULTIMATE.start_main_~x~4 316), 148820#(<= ULTIMATE.start_main_~x~4 310), 148821#(<= ULTIMATE.start_main_~x~4 312), 148826#(<= ULTIMATE.start_main_~x~4 322), 148827#(<= ULTIMATE.start_main_~x~4 324), 148824#(<= ULTIMATE.start_main_~x~4 318), 148825#(<= ULTIMATE.start_main_~x~4 320), 148830#(<= ULTIMATE.start_main_~x~4 330), 148831#(<= ULTIMATE.start_main_~x~4 332), 148828#(<= ULTIMATE.start_main_~x~4 326), 148829#(<= ULTIMATE.start_main_~x~4 328), 148834#(<= ULTIMATE.start_main_~x~4 338), 148835#(<= ULTIMATE.start_main_~x~4 340), 148832#(<= ULTIMATE.start_main_~x~4 334), 148833#(<= ULTIMATE.start_main_~x~4 336), 148838#(<= ULTIMATE.start_main_~x~4 346), 148839#(<= ULTIMATE.start_main_~x~4 348), 148836#(<= ULTIMATE.start_main_~x~4 342), 148837#(<= ULTIMATE.start_main_~x~4 344), 148842#(<= ULTIMATE.start_main_~x~4 354), 148843#(<= ULTIMATE.start_main_~x~4 356), 148840#(<= ULTIMATE.start_main_~x~4 350), 148841#(<= ULTIMATE.start_main_~x~4 352), 148846#(<= ULTIMATE.start_main_~x~4 362), 148847#(<= ULTIMATE.start_main_~x~4 364), 148844#(<= ULTIMATE.start_main_~x~4 358), 148845#(<= ULTIMATE.start_main_~x~4 360), 148850#(<= ULTIMATE.start_main_~x~4 370), 148851#(<= ULTIMATE.start_main_~x~4 372), 148848#(<= ULTIMATE.start_main_~x~4 366), 148849#(<= ULTIMATE.start_main_~x~4 368), 148854#(<= ULTIMATE.start_main_~x~4 378), 148855#(<= ULTIMATE.start_main_~x~4 380), 148852#(<= ULTIMATE.start_main_~x~4 374), 148853#(<= ULTIMATE.start_main_~x~4 376), 148858#(<= ULTIMATE.start_main_~x~4 386), 148859#(<= ULTIMATE.start_main_~x~4 388), 148856#(<= ULTIMATE.start_main_~x~4 382), 148857#(<= ULTIMATE.start_main_~x~4 384), 148862#(<= ULTIMATE.start_main_~x~4 394), 148863#(<= ULTIMATE.start_main_~x~4 396), 148860#(<= ULTIMATE.start_main_~x~4 390), 148861#(<= ULTIMATE.start_main_~x~4 392), 148866#(<= ULTIMATE.start_main_~x~4 402), 148867#(<= ULTIMATE.start_main_~x~4 404), 148864#(<= ULTIMATE.start_main_~x~4 398), 148865#(<= ULTIMATE.start_main_~x~4 400), 148870#(<= ULTIMATE.start_main_~x~4 410), 148871#(<= ULTIMATE.start_main_~x~4 412), 148868#(<= ULTIMATE.start_main_~x~4 406), 148869#(<= ULTIMATE.start_main_~x~4 408), 148874#(<= ULTIMATE.start_main_~x~4 418), 148875#(<= ULTIMATE.start_main_~x~4 420), 148872#(<= ULTIMATE.start_main_~x~4 414), 148873#(<= ULTIMATE.start_main_~x~4 416), 148878#(<= ULTIMATE.start_main_~x~4 426), 148879#(<= ULTIMATE.start_main_~x~4 428), 148876#(<= ULTIMATE.start_main_~x~4 422), 148877#(<= ULTIMATE.start_main_~x~4 424), 148882#(<= ULTIMATE.start_main_~x~4 434), 148883#(<= ULTIMATE.start_main_~x~4 436), 148880#(<= ULTIMATE.start_main_~x~4 430), 148881#(<= ULTIMATE.start_main_~x~4 432), 148886#(<= ULTIMATE.start_main_~x~4 442), 148887#(<= ULTIMATE.start_main_~x~4 444), 148884#(<= ULTIMATE.start_main_~x~4 438), 148885#(<= ULTIMATE.start_main_~x~4 440), 148890#(<= ULTIMATE.start_main_~x~4 450), 148891#(<= ULTIMATE.start_main_~x~4 452), 148888#(<= ULTIMATE.start_main_~x~4 446), 148889#(<= ULTIMATE.start_main_~x~4 448), 148894#(<= ULTIMATE.start_main_~x~4 458), 148895#(<= ULTIMATE.start_main_~x~4 460), 148892#(<= ULTIMATE.start_main_~x~4 454), 148893#(<= ULTIMATE.start_main_~x~4 456), 148898#(<= ULTIMATE.start_main_~x~4 466), 148899#(<= ULTIMATE.start_main_~x~4 468), 148896#(<= ULTIMATE.start_main_~x~4 462), 148897#(<= ULTIMATE.start_main_~x~4 464), 148902#(<= ULTIMATE.start_main_~x~4 474), 148903#(<= ULTIMATE.start_main_~x~4 476), 148900#(<= ULTIMATE.start_main_~x~4 470), 148901#(<= ULTIMATE.start_main_~x~4 472), 148906#(<= ULTIMATE.start_main_~x~4 482), 148907#(<= ULTIMATE.start_main_~x~4 484), 148904#(<= ULTIMATE.start_main_~x~4 478), 148905#(<= ULTIMATE.start_main_~x~4 480), 148908#(<= ULTIMATE.start_main_~x~4 486), 148909#(<= ULTIMATE.start_main_~x~4 488)] [2018-07-23 13:44:53,785 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 13:44:53,785 INFO L450 AbstractCegarLoop]: Interpolant automaton has 242 states [2018-07-23 13:44:53,790 INFO L132 InterpolantAutomaton]: Constructing interpolant automaton starting with 242 interpolants. [2018-07-23 13:44:53,794 INFO L133 InterpolantAutomaton]: CoverageRelationStatistics Valid=29161, Invalid=29161, Unknown=0, NotChecked=0, Total=58322 [2018-07-23 13:44:53,794 INFO L87 Difference]: Start difference. First operand 243 states and 243 transitions. Second operand 242 states. [2018-07-23 13:44:55,358 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2018-07-23 13:44:55,358 INFO L93 Difference]: Finished difference Result 246 states and 246 transitions. [2018-07-23 13:44:55,359 INFO L142 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 242 states. [2018-07-23 13:44:55,359 INFO L78 Accepts]: Start accepts. Automaton has 242 states. Word has length 242 [2018-07-23 13:44:55,359 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2018-07-23 13:44:55,359 INFO L225 Difference]: With dead ends: 246 [2018-07-23 13:44:55,359 INFO L226 Difference]: Without dead ends: 244 [2018-07-23 13:44:55,363 INFO L575 BasicCegarLoop]: 0 DeclaredPredicates, 241 GetRequests, 1 SyntacticMatches, 0 SemanticMatches, 240 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 0 ImplicationChecksByTransitivity, 1.1s TimeCoverageRelationStatistics Valid=29161, Invalid=29161, Unknown=0, NotChecked=0, Total=58322 [2018-07-23 13:44:55,363 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 244 states. [2018-07-23 13:44:55,365 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 244 to 244. [2018-07-23 13:44:55,365 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 244 states. [2018-07-23 13:44:55,365 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 244 states to 244 states and 244 transitions. [2018-07-23 13:44:55,365 INFO L78 Accepts]: Start accepts. Automaton has 244 states and 244 transitions. Word has length 242 [2018-07-23 13:44:55,366 INFO L84 Accepts]: Finished accepts. word is rejected. [2018-07-23 13:44:55,366 INFO L471 AbstractCegarLoop]: Abstraction has 244 states and 244 transitions. [2018-07-23 13:44:55,366 INFO L472 AbstractCegarLoop]: Interpolant automaton has 242 states. [2018-07-23 13:44:55,366 INFO L276 IsEmpty]: Start isEmpty. Operand 244 states and 244 transitions. [2018-07-23 13:44:55,366 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 244 [2018-07-23 13:44:55,366 INFO L349 BasicCegarLoop]: Found error trace [2018-07-23 13:44:55,367 INFO L357 BasicCegarLoop]: trace histogram [240, 1, 1, 1] [2018-07-23 13:44:55,367 INFO L414 AbstractCegarLoop]: === Iteration 241 === [ULTIMATE.startErr0AssertViolationASSERT]=== [2018-07-23 13:44:55,367 INFO L82 PathProgramCache]: Analyzing trace with hash -310305215, now seen corresponding path program 240 times [2018-07-23 13:44:55,367 INFO L69 tionRefinementEngine]: Using refinement strategy FixedRefinementStrategy [2018-07-23 13:44:55,386 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-07-23 13:44:56,600 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 13:44:56,601 INFO L309 seRefinementStrategy]: Constructing automaton from 0 perfect and 1 imperfect interpolant sequences. [2018-07-23 13:44:56,601 INFO L324 seRefinementStrategy]: Number of different interpolants: perfect sequences [] imperfect sequences [242] total 242 [2018-07-23 13:44:56,601 INFO L142 lantAutomatonBuilder]: Constructing canonical interpolant automaton, with selfloop in false state [2018-07-23 13:44:56,601 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 13:44:56,602 INFO L185 omatonBuilderFactory]: Interpolants [150018#(<= ULTIMATE.start_main_~x~4 262), 150019#(<= ULTIMATE.start_main_~x~4 264), 150016#(<= ULTIMATE.start_main_~x~4 258), 150017#(<= ULTIMATE.start_main_~x~4 260), 150022#(<= ULTIMATE.start_main_~x~4 270), 150023#(<= ULTIMATE.start_main_~x~4 272), 150020#(<= ULTIMATE.start_main_~x~4 266), 150021#(<= ULTIMATE.start_main_~x~4 268), 150026#(<= ULTIMATE.start_main_~x~4 278), 150027#(<= ULTIMATE.start_main_~x~4 280), 150024#(<= ULTIMATE.start_main_~x~4 274), 150025#(<= ULTIMATE.start_main_~x~4 276), 150030#(<= ULTIMATE.start_main_~x~4 286), 150031#(<= ULTIMATE.start_main_~x~4 288), 150028#(<= ULTIMATE.start_main_~x~4 282), 150029#(<= ULTIMATE.start_main_~x~4 284), 150034#(<= ULTIMATE.start_main_~x~4 294), 150035#(<= ULTIMATE.start_main_~x~4 296), 150032#(<= ULTIMATE.start_main_~x~4 290), 150033#(<= ULTIMATE.start_main_~x~4 292), 150038#(<= ULTIMATE.start_main_~x~4 302), 150039#(<= ULTIMATE.start_main_~x~4 304), 150036#(<= ULTIMATE.start_main_~x~4 298), 150037#(<= ULTIMATE.start_main_~x~4 300), 150042#(<= ULTIMATE.start_main_~x~4 310), 150043#(<= ULTIMATE.start_main_~x~4 312), 150040#(<= ULTIMATE.start_main_~x~4 306), 150041#(<= ULTIMATE.start_main_~x~4 308), 150046#(<= ULTIMATE.start_main_~x~4 318), 150047#(<= ULTIMATE.start_main_~x~4 320), 150044#(<= ULTIMATE.start_main_~x~4 314), 150045#(<= ULTIMATE.start_main_~x~4 316), 150050#(<= ULTIMATE.start_main_~x~4 326), 150051#(<= ULTIMATE.start_main_~x~4 328), 150048#(<= ULTIMATE.start_main_~x~4 322), 150049#(<= ULTIMATE.start_main_~x~4 324), 150054#(<= ULTIMATE.start_main_~x~4 334), 150055#(<= ULTIMATE.start_main_~x~4 336), 150052#(<= ULTIMATE.start_main_~x~4 330), 150053#(<= ULTIMATE.start_main_~x~4 332), 150058#(<= ULTIMATE.start_main_~x~4 342), 150059#(<= ULTIMATE.start_main_~x~4 344), 150056#(<= ULTIMATE.start_main_~x~4 338), 150057#(<= ULTIMATE.start_main_~x~4 340), 150062#(<= ULTIMATE.start_main_~x~4 350), 150063#(<= ULTIMATE.start_main_~x~4 352), 150060#(<= ULTIMATE.start_main_~x~4 346), 150061#(<= ULTIMATE.start_main_~x~4 348), 150066#(<= ULTIMATE.start_main_~x~4 358), 150067#(<= ULTIMATE.start_main_~x~4 360), 150064#(<= ULTIMATE.start_main_~x~4 354), 150065#(<= ULTIMATE.start_main_~x~4 356), 150070#(<= ULTIMATE.start_main_~x~4 366), 150071#(<= ULTIMATE.start_main_~x~4 368), 150068#(<= ULTIMATE.start_main_~x~4 362), 150069#(<= ULTIMATE.start_main_~x~4 364), 150074#(<= ULTIMATE.start_main_~x~4 374), 150075#(<= ULTIMATE.start_main_~x~4 376), 150072#(<= ULTIMATE.start_main_~x~4 370), 150073#(<= ULTIMATE.start_main_~x~4 372), 150078#(<= ULTIMATE.start_main_~x~4 382), 150079#(<= ULTIMATE.start_main_~x~4 384), 150076#(<= ULTIMATE.start_main_~x~4 378), 150077#(<= ULTIMATE.start_main_~x~4 380), 150082#(<= ULTIMATE.start_main_~x~4 390), 150083#(<= ULTIMATE.start_main_~x~4 392), 150080#(<= ULTIMATE.start_main_~x~4 386), 150081#(<= ULTIMATE.start_main_~x~4 388), 150086#(<= ULTIMATE.start_main_~x~4 398), 150087#(<= ULTIMATE.start_main_~x~4 400), 150084#(<= ULTIMATE.start_main_~x~4 394), 150085#(<= ULTIMATE.start_main_~x~4 396), 150090#(<= ULTIMATE.start_main_~x~4 406), 150091#(<= ULTIMATE.start_main_~x~4 408), 150088#(<= ULTIMATE.start_main_~x~4 402), 150089#(<= ULTIMATE.start_main_~x~4 404), 150094#(<= ULTIMATE.start_main_~x~4 414), 150095#(<= ULTIMATE.start_main_~x~4 416), 150092#(<= ULTIMATE.start_main_~x~4 410), 150093#(<= ULTIMATE.start_main_~x~4 412), 150098#(<= ULTIMATE.start_main_~x~4 422), 150099#(<= ULTIMATE.start_main_~x~4 424), 150096#(<= ULTIMATE.start_main_~x~4 418), 150097#(<= ULTIMATE.start_main_~x~4 420), 150102#(<= ULTIMATE.start_main_~x~4 430), 150103#(<= ULTIMATE.start_main_~x~4 432), 150100#(<= ULTIMATE.start_main_~x~4 426), 150101#(<= ULTIMATE.start_main_~x~4 428), 150106#(<= ULTIMATE.start_main_~x~4 438), 150107#(<= ULTIMATE.start_main_~x~4 440), 150104#(<= ULTIMATE.start_main_~x~4 434), 150105#(<= ULTIMATE.start_main_~x~4 436), 150110#(<= ULTIMATE.start_main_~x~4 446), 150111#(<= ULTIMATE.start_main_~x~4 448), 150108#(<= ULTIMATE.start_main_~x~4 442), 150109#(<= ULTIMATE.start_main_~x~4 444), 150114#(<= ULTIMATE.start_main_~x~4 454), 150115#(<= ULTIMATE.start_main_~x~4 456), 150112#(<= ULTIMATE.start_main_~x~4 450), 150113#(<= ULTIMATE.start_main_~x~4 452), 150118#(<= ULTIMATE.start_main_~x~4 462), 150119#(<= ULTIMATE.start_main_~x~4 464), 150116#(<= ULTIMATE.start_main_~x~4 458), 150117#(<= ULTIMATE.start_main_~x~4 460), 150122#(<= ULTIMATE.start_main_~x~4 470), 150123#(<= ULTIMATE.start_main_~x~4 472), 150120#(<= ULTIMATE.start_main_~x~4 466), 150121#(<= ULTIMATE.start_main_~x~4 468), 150126#(<= ULTIMATE.start_main_~x~4 478), 150127#(<= ULTIMATE.start_main_~x~4 480), 150124#(<= ULTIMATE.start_main_~x~4 474), 150125#(<= ULTIMATE.start_main_~x~4 476), 150130#(<= ULTIMATE.start_main_~x~4 486), 150131#(<= ULTIMATE.start_main_~x~4 488), 150128#(<= ULTIMATE.start_main_~x~4 482), 150129#(<= ULTIMATE.start_main_~x~4 484), 150132#(<= ULTIMATE.start_main_~x~4 490), 149890#true, 149891#false, 149894#(<= ULTIMATE.start_main_~x~4 14), 149895#(<= ULTIMATE.start_main_~x~4 16), 149892#(<= ULTIMATE.start_main_~x~4 10), 149893#(<= ULTIMATE.start_main_~x~4 12), 149898#(<= ULTIMATE.start_main_~x~4 22), 149899#(<= ULTIMATE.start_main_~x~4 24), 149896#(<= ULTIMATE.start_main_~x~4 18), 149897#(<= ULTIMATE.start_main_~x~4 20), 149902#(<= ULTIMATE.start_main_~x~4 30), 149903#(<= ULTIMATE.start_main_~x~4 32), 149900#(<= ULTIMATE.start_main_~x~4 26), 149901#(<= ULTIMATE.start_main_~x~4 28), 149906#(<= ULTIMATE.start_main_~x~4 38), 149907#(<= ULTIMATE.start_main_~x~4 40), 149904#(<= ULTIMATE.start_main_~x~4 34), 149905#(<= ULTIMATE.start_main_~x~4 36), 149910#(<= ULTIMATE.start_main_~x~4 46), 149911#(<= ULTIMATE.start_main_~x~4 48), 149908#(<= ULTIMATE.start_main_~x~4 42), 149909#(<= ULTIMATE.start_main_~x~4 44), 149914#(<= ULTIMATE.start_main_~x~4 54), 149915#(<= ULTIMATE.start_main_~x~4 56), 149912#(<= ULTIMATE.start_main_~x~4 50), 149913#(<= ULTIMATE.start_main_~x~4 52), 149918#(<= ULTIMATE.start_main_~x~4 62), 149919#(<= ULTIMATE.start_main_~x~4 64), 149916#(<= ULTIMATE.start_main_~x~4 58), 149917#(<= ULTIMATE.start_main_~x~4 60), 149922#(<= ULTIMATE.start_main_~x~4 70), 149923#(<= ULTIMATE.start_main_~x~4 72), 149920#(<= ULTIMATE.start_main_~x~4 66), 149921#(<= ULTIMATE.start_main_~x~4 68), 149926#(<= ULTIMATE.start_main_~x~4 78), 149927#(<= ULTIMATE.start_main_~x~4 80), 149924#(<= ULTIMATE.start_main_~x~4 74), 149925#(<= ULTIMATE.start_main_~x~4 76), 149930#(<= ULTIMATE.start_main_~x~4 86), 149931#(<= ULTIMATE.start_main_~x~4 88), 149928#(<= ULTIMATE.start_main_~x~4 82), 149929#(<= ULTIMATE.start_main_~x~4 84), 149934#(<= ULTIMATE.start_main_~x~4 94), 149935#(<= ULTIMATE.start_main_~x~4 96), 149932#(<= ULTIMATE.start_main_~x~4 90), 149933#(<= ULTIMATE.start_main_~x~4 92), 149938#(<= ULTIMATE.start_main_~x~4 102), 149939#(<= ULTIMATE.start_main_~x~4 104), 149936#(<= ULTIMATE.start_main_~x~4 98), 149937#(<= ULTIMATE.start_main_~x~4 100), 149942#(<= ULTIMATE.start_main_~x~4 110), 149943#(<= ULTIMATE.start_main_~x~4 112), 149940#(<= ULTIMATE.start_main_~x~4 106), 149941#(<= ULTIMATE.start_main_~x~4 108), 149946#(<= ULTIMATE.start_main_~x~4 118), 149947#(<= ULTIMATE.start_main_~x~4 120), 149944#(<= ULTIMATE.start_main_~x~4 114), 149945#(<= ULTIMATE.start_main_~x~4 116), 149950#(<= ULTIMATE.start_main_~x~4 126), 149951#(<= ULTIMATE.start_main_~x~4 128), 149948#(<= ULTIMATE.start_main_~x~4 122), 149949#(<= ULTIMATE.start_main_~x~4 124), 149954#(<= ULTIMATE.start_main_~x~4 134), 149955#(<= ULTIMATE.start_main_~x~4 136), 149952#(<= ULTIMATE.start_main_~x~4 130), 149953#(<= ULTIMATE.start_main_~x~4 132), 149958#(<= ULTIMATE.start_main_~x~4 142), 149959#(<= ULTIMATE.start_main_~x~4 144), 149956#(<= ULTIMATE.start_main_~x~4 138), 149957#(<= ULTIMATE.start_main_~x~4 140), 149962#(<= ULTIMATE.start_main_~x~4 150), 149963#(<= ULTIMATE.start_main_~x~4 152), 149960#(<= ULTIMATE.start_main_~x~4 146), 149961#(<= ULTIMATE.start_main_~x~4 148), 149966#(<= ULTIMATE.start_main_~x~4 158), 149967#(<= ULTIMATE.start_main_~x~4 160), 149964#(<= ULTIMATE.start_main_~x~4 154), 149965#(<= ULTIMATE.start_main_~x~4 156), 149970#(<= ULTIMATE.start_main_~x~4 166), 149971#(<= ULTIMATE.start_main_~x~4 168), 149968#(<= ULTIMATE.start_main_~x~4 162), 149969#(<= ULTIMATE.start_main_~x~4 164), 149974#(<= ULTIMATE.start_main_~x~4 174), 149975#(<= ULTIMATE.start_main_~x~4 176), 149972#(<= ULTIMATE.start_main_~x~4 170), 149973#(<= ULTIMATE.start_main_~x~4 172), 149978#(<= ULTIMATE.start_main_~x~4 182), 149979#(<= ULTIMATE.start_main_~x~4 184), 149976#(<= ULTIMATE.start_main_~x~4 178), 149977#(<= ULTIMATE.start_main_~x~4 180), 149982#(<= ULTIMATE.start_main_~x~4 190), 149983#(<= ULTIMATE.start_main_~x~4 192), 149980#(<= ULTIMATE.start_main_~x~4 186), 149981#(<= ULTIMATE.start_main_~x~4 188), 149986#(<= ULTIMATE.start_main_~x~4 198), 149987#(<= ULTIMATE.start_main_~x~4 200), 149984#(<= ULTIMATE.start_main_~x~4 194), 149985#(<= ULTIMATE.start_main_~x~4 196), 149990#(<= ULTIMATE.start_main_~x~4 206), 149991#(<= ULTIMATE.start_main_~x~4 208), 149988#(<= ULTIMATE.start_main_~x~4 202), 149989#(<= ULTIMATE.start_main_~x~4 204), 149994#(<= ULTIMATE.start_main_~x~4 214), 149995#(<= ULTIMATE.start_main_~x~4 216), 149992#(<= ULTIMATE.start_main_~x~4 210), 149993#(<= ULTIMATE.start_main_~x~4 212), 149998#(<= ULTIMATE.start_main_~x~4 222), 149999#(<= ULTIMATE.start_main_~x~4 224), 149996#(<= ULTIMATE.start_main_~x~4 218), 149997#(<= ULTIMATE.start_main_~x~4 220), 150002#(<= ULTIMATE.start_main_~x~4 230), 150003#(<= ULTIMATE.start_main_~x~4 232), 150000#(<= ULTIMATE.start_main_~x~4 226), 150001#(<= ULTIMATE.start_main_~x~4 228), 150006#(<= ULTIMATE.start_main_~x~4 238), 150007#(<= ULTIMATE.start_main_~x~4 240), 150004#(<= ULTIMATE.start_main_~x~4 234), 150005#(<= ULTIMATE.start_main_~x~4 236), 150010#(<= ULTIMATE.start_main_~x~4 246), 150011#(<= ULTIMATE.start_main_~x~4 248), 150008#(<= ULTIMATE.start_main_~x~4 242), 150009#(<= ULTIMATE.start_main_~x~4 244), 150014#(<= ULTIMATE.start_main_~x~4 254), 150015#(<= ULTIMATE.start_main_~x~4 256), 150012#(<= ULTIMATE.start_main_~x~4 250), 150013#(<= ULTIMATE.start_main_~x~4 252)] [2018-07-23 13:44:56,603 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 13:44:56,603 INFO L450 AbstractCegarLoop]: Interpolant automaton has 243 states [2018-07-23 13:44:56,605 INFO L132 InterpolantAutomaton]: Constructing interpolant automaton starting with 243 interpolants. [2018-07-23 13:44:56,607 INFO L133 InterpolantAutomaton]: CoverageRelationStatistics Valid=29403, Invalid=29403, Unknown=0, NotChecked=0, Total=58806 [2018-07-23 13:44:56,607 INFO L87 Difference]: Start difference. First operand 244 states and 244 transitions. Second operand 243 states. [2018-07-23 13:44:57,176 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2018-07-23 13:44:57,177 INFO L93 Difference]: Finished difference Result 247 states and 247 transitions. [2018-07-23 13:44:57,177 INFO L142 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 243 states. [2018-07-23 13:44:57,177 INFO L78 Accepts]: Start accepts. Automaton has 243 states. Word has length 243 [2018-07-23 13:44:57,177 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2018-07-23 13:44:57,177 INFO L225 Difference]: With dead ends: 247 [2018-07-23 13:44:57,177 INFO L226 Difference]: Without dead ends: 245 [2018-07-23 13:44:57,180 INFO L575 BasicCegarLoop]: 0 DeclaredPredicates, 242 GetRequests, 1 SyntacticMatches, 0 SemanticMatches, 241 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 0 ImplicationChecksByTransitivity, 1.1s TimeCoverageRelationStatistics Valid=29403, Invalid=29403, Unknown=0, NotChecked=0, Total=58806 [2018-07-23 13:44:57,180 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 245 states. [2018-07-23 13:44:57,182 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 245 to 245. [2018-07-23 13:44:57,182 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 245 states. [2018-07-23 13:44:57,182 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 245 states to 245 states and 245 transitions. [2018-07-23 13:44:57,182 INFO L78 Accepts]: Start accepts. Automaton has 245 states and 245 transitions. Word has length 243 [2018-07-23 13:44:57,182 INFO L84 Accepts]: Finished accepts. word is rejected. [2018-07-23 13:44:57,182 INFO L471 AbstractCegarLoop]: Abstraction has 245 states and 245 transitions. [2018-07-23 13:44:57,183 INFO L472 AbstractCegarLoop]: Interpolant automaton has 243 states. [2018-07-23 13:44:57,183 INFO L276 IsEmpty]: Start isEmpty. Operand 245 states and 245 transitions. [2018-07-23 13:44:57,183 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 245 [2018-07-23 13:44:57,183 INFO L349 BasicCegarLoop]: Found error trace [2018-07-23 13:44:57,183 INFO L357 BasicCegarLoop]: trace histogram [241, 1, 1, 1] [2018-07-23 13:44:57,183 INFO L414 AbstractCegarLoop]: === Iteration 242 === [ULTIMATE.startErr0AssertViolationASSERT]=== [2018-07-23 13:44:57,183 INFO L82 PathProgramCache]: Analyzing trace with hash -1029529048, now seen corresponding path program 241 times [2018-07-23 13:44:57,184 INFO L69 tionRefinementEngine]: Using refinement strategy FixedRefinementStrategy [2018-07-23 13:44:57,204 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-07-23 13:44:58,448 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 13:44:58,449 INFO L309 seRefinementStrategy]: Constructing automaton from 0 perfect and 1 imperfect interpolant sequences. [2018-07-23 13:44:58,449 INFO L324 seRefinementStrategy]: Number of different interpolants: perfect sequences [] imperfect sequences [243] total 243 [2018-07-23 13:44:58,449 INFO L142 lantAutomatonBuilder]: Constructing canonical interpolant automaton, with selfloop in false state [2018-07-23 13:44:58,449 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2018-07-23 13:44:58,450 INFO L185 omatonBuilderFactory]: Interpolants [151118#false, 151119#(<= ULTIMATE.start_main_~x~4 10), 151117#true, 151122#(<= ULTIMATE.start_main_~x~4 16), 151123#(<= ULTIMATE.start_main_~x~4 18), 151120#(<= ULTIMATE.start_main_~x~4 12), 151121#(<= ULTIMATE.start_main_~x~4 14), 151126#(<= ULTIMATE.start_main_~x~4 24), 151127#(<= ULTIMATE.start_main_~x~4 26), 151124#(<= ULTIMATE.start_main_~x~4 20), 151125#(<= ULTIMATE.start_main_~x~4 22), 151130#(<= ULTIMATE.start_main_~x~4 32), 151131#(<= ULTIMATE.start_main_~x~4 34), 151128#(<= ULTIMATE.start_main_~x~4 28), 151129#(<= ULTIMATE.start_main_~x~4 30), 151134#(<= ULTIMATE.start_main_~x~4 40), 151135#(<= ULTIMATE.start_main_~x~4 42), 151132#(<= ULTIMATE.start_main_~x~4 36), 151133#(<= ULTIMATE.start_main_~x~4 38), 151138#(<= ULTIMATE.start_main_~x~4 48), 151139#(<= ULTIMATE.start_main_~x~4 50), 151136#(<= ULTIMATE.start_main_~x~4 44), 151137#(<= ULTIMATE.start_main_~x~4 46), 151142#(<= ULTIMATE.start_main_~x~4 56), 151143#(<= ULTIMATE.start_main_~x~4 58), 151140#(<= ULTIMATE.start_main_~x~4 52), 151141#(<= ULTIMATE.start_main_~x~4 54), 151146#(<= ULTIMATE.start_main_~x~4 64), 151147#(<= ULTIMATE.start_main_~x~4 66), 151144#(<= ULTIMATE.start_main_~x~4 60), 151145#(<= ULTIMATE.start_main_~x~4 62), 151150#(<= ULTIMATE.start_main_~x~4 72), 151151#(<= ULTIMATE.start_main_~x~4 74), 151148#(<= ULTIMATE.start_main_~x~4 68), 151149#(<= ULTIMATE.start_main_~x~4 70), 151154#(<= ULTIMATE.start_main_~x~4 80), 151155#(<= ULTIMATE.start_main_~x~4 82), 151152#(<= ULTIMATE.start_main_~x~4 76), 151153#(<= ULTIMATE.start_main_~x~4 78), 151158#(<= ULTIMATE.start_main_~x~4 88), 151159#(<= ULTIMATE.start_main_~x~4 90), 151156#(<= ULTIMATE.start_main_~x~4 84), 151157#(<= ULTIMATE.start_main_~x~4 86), 151162#(<= ULTIMATE.start_main_~x~4 96), 151163#(<= ULTIMATE.start_main_~x~4 98), 151160#(<= ULTIMATE.start_main_~x~4 92), 151161#(<= ULTIMATE.start_main_~x~4 94), 151166#(<= ULTIMATE.start_main_~x~4 104), 151167#(<= ULTIMATE.start_main_~x~4 106), 151164#(<= ULTIMATE.start_main_~x~4 100), 151165#(<= ULTIMATE.start_main_~x~4 102), 151170#(<= ULTIMATE.start_main_~x~4 112), 151171#(<= ULTIMATE.start_main_~x~4 114), 151168#(<= ULTIMATE.start_main_~x~4 108), 151169#(<= ULTIMATE.start_main_~x~4 110), 151174#(<= ULTIMATE.start_main_~x~4 120), 151175#(<= ULTIMATE.start_main_~x~4 122), 151172#(<= ULTIMATE.start_main_~x~4 116), 151173#(<= ULTIMATE.start_main_~x~4 118), 151178#(<= ULTIMATE.start_main_~x~4 128), 151179#(<= ULTIMATE.start_main_~x~4 130), 151176#(<= ULTIMATE.start_main_~x~4 124), 151177#(<= ULTIMATE.start_main_~x~4 126), 151182#(<= ULTIMATE.start_main_~x~4 136), 151183#(<= ULTIMATE.start_main_~x~4 138), 151180#(<= ULTIMATE.start_main_~x~4 132), 151181#(<= ULTIMATE.start_main_~x~4 134), 151186#(<= ULTIMATE.start_main_~x~4 144), 151187#(<= ULTIMATE.start_main_~x~4 146), 151184#(<= ULTIMATE.start_main_~x~4 140), 151185#(<= ULTIMATE.start_main_~x~4 142), 151190#(<= ULTIMATE.start_main_~x~4 152), 151191#(<= ULTIMATE.start_main_~x~4 154), 151188#(<= ULTIMATE.start_main_~x~4 148), 151189#(<= ULTIMATE.start_main_~x~4 150), 151194#(<= ULTIMATE.start_main_~x~4 160), 151195#(<= ULTIMATE.start_main_~x~4 162), 151192#(<= ULTIMATE.start_main_~x~4 156), 151193#(<= ULTIMATE.start_main_~x~4 158), 151198#(<= ULTIMATE.start_main_~x~4 168), 151199#(<= ULTIMATE.start_main_~x~4 170), 151196#(<= ULTIMATE.start_main_~x~4 164), 151197#(<= ULTIMATE.start_main_~x~4 166), 151202#(<= ULTIMATE.start_main_~x~4 176), 151203#(<= ULTIMATE.start_main_~x~4 178), 151200#(<= ULTIMATE.start_main_~x~4 172), 151201#(<= ULTIMATE.start_main_~x~4 174), 151206#(<= ULTIMATE.start_main_~x~4 184), 151207#(<= ULTIMATE.start_main_~x~4 186), 151204#(<= ULTIMATE.start_main_~x~4 180), 151205#(<= ULTIMATE.start_main_~x~4 182), 151210#(<= ULTIMATE.start_main_~x~4 192), 151211#(<= ULTIMATE.start_main_~x~4 194), 151208#(<= ULTIMATE.start_main_~x~4 188), 151209#(<= ULTIMATE.start_main_~x~4 190), 151214#(<= ULTIMATE.start_main_~x~4 200), 151215#(<= ULTIMATE.start_main_~x~4 202), 151212#(<= ULTIMATE.start_main_~x~4 196), 151213#(<= ULTIMATE.start_main_~x~4 198), 151218#(<= ULTIMATE.start_main_~x~4 208), 151219#(<= ULTIMATE.start_main_~x~4 210), 151216#(<= ULTIMATE.start_main_~x~4 204), 151217#(<= ULTIMATE.start_main_~x~4 206), 151222#(<= ULTIMATE.start_main_~x~4 216), 151223#(<= ULTIMATE.start_main_~x~4 218), 151220#(<= ULTIMATE.start_main_~x~4 212), 151221#(<= ULTIMATE.start_main_~x~4 214), 151226#(<= ULTIMATE.start_main_~x~4 224), 151227#(<= ULTIMATE.start_main_~x~4 226), 151224#(<= ULTIMATE.start_main_~x~4 220), 151225#(<= ULTIMATE.start_main_~x~4 222), 151230#(<= ULTIMATE.start_main_~x~4 232), 151231#(<= ULTIMATE.start_main_~x~4 234), 151228#(<= ULTIMATE.start_main_~x~4 228), 151229#(<= ULTIMATE.start_main_~x~4 230), 151234#(<= ULTIMATE.start_main_~x~4 240), 151235#(<= ULTIMATE.start_main_~x~4 242), 151232#(<= ULTIMATE.start_main_~x~4 236), 151233#(<= ULTIMATE.start_main_~x~4 238), 151238#(<= ULTIMATE.start_main_~x~4 248), 151239#(<= ULTIMATE.start_main_~x~4 250), 151236#(<= ULTIMATE.start_main_~x~4 244), 151237#(<= ULTIMATE.start_main_~x~4 246), 151242#(<= ULTIMATE.start_main_~x~4 256), 151243#(<= ULTIMATE.start_main_~x~4 258), 151240#(<= ULTIMATE.start_main_~x~4 252), 151241#(<= ULTIMATE.start_main_~x~4 254), 151246#(<= ULTIMATE.start_main_~x~4 264), 151247#(<= ULTIMATE.start_main_~x~4 266), 151244#(<= ULTIMATE.start_main_~x~4 260), 151245#(<= ULTIMATE.start_main_~x~4 262), 151250#(<= ULTIMATE.start_main_~x~4 272), 151251#(<= ULTIMATE.start_main_~x~4 274), 151248#(<= ULTIMATE.start_main_~x~4 268), 151249#(<= ULTIMATE.start_main_~x~4 270), 151254#(<= ULTIMATE.start_main_~x~4 280), 151255#(<= ULTIMATE.start_main_~x~4 282), 151252#(<= ULTIMATE.start_main_~x~4 276), 151253#(<= ULTIMATE.start_main_~x~4 278), 151258#(<= ULTIMATE.start_main_~x~4 288), 151259#(<= ULTIMATE.start_main_~x~4 290), 151256#(<= ULTIMATE.start_main_~x~4 284), 151257#(<= ULTIMATE.start_main_~x~4 286), 151262#(<= ULTIMATE.start_main_~x~4 296), 151263#(<= ULTIMATE.start_main_~x~4 298), 151260#(<= ULTIMATE.start_main_~x~4 292), 151261#(<= ULTIMATE.start_main_~x~4 294), 151266#(<= ULTIMATE.start_main_~x~4 304), 151267#(<= ULTIMATE.start_main_~x~4 306), 151264#(<= ULTIMATE.start_main_~x~4 300), 151265#(<= ULTIMATE.start_main_~x~4 302), 151270#(<= ULTIMATE.start_main_~x~4 312), 151271#(<= ULTIMATE.start_main_~x~4 314), 151268#(<= ULTIMATE.start_main_~x~4 308), 151269#(<= ULTIMATE.start_main_~x~4 310), 151274#(<= ULTIMATE.start_main_~x~4 320), 151275#(<= ULTIMATE.start_main_~x~4 322), 151272#(<= ULTIMATE.start_main_~x~4 316), 151273#(<= ULTIMATE.start_main_~x~4 318), 151278#(<= ULTIMATE.start_main_~x~4 328), 151279#(<= ULTIMATE.start_main_~x~4 330), 151276#(<= ULTIMATE.start_main_~x~4 324), 151277#(<= ULTIMATE.start_main_~x~4 326), 151282#(<= ULTIMATE.start_main_~x~4 336), 151283#(<= ULTIMATE.start_main_~x~4 338), 151280#(<= ULTIMATE.start_main_~x~4 332), 151281#(<= ULTIMATE.start_main_~x~4 334), 151286#(<= ULTIMATE.start_main_~x~4 344), 151287#(<= ULTIMATE.start_main_~x~4 346), 151284#(<= ULTIMATE.start_main_~x~4 340), 151285#(<= ULTIMATE.start_main_~x~4 342), 151290#(<= ULTIMATE.start_main_~x~4 352), 151291#(<= ULTIMATE.start_main_~x~4 354), 151288#(<= ULTIMATE.start_main_~x~4 348), 151289#(<= ULTIMATE.start_main_~x~4 350), 151294#(<= ULTIMATE.start_main_~x~4 360), 151295#(<= ULTIMATE.start_main_~x~4 362), 151292#(<= ULTIMATE.start_main_~x~4 356), 151293#(<= ULTIMATE.start_main_~x~4 358), 151298#(<= ULTIMATE.start_main_~x~4 368), 151299#(<= ULTIMATE.start_main_~x~4 370), 151296#(<= ULTIMATE.start_main_~x~4 364), 151297#(<= ULTIMATE.start_main_~x~4 366), 151302#(<= ULTIMATE.start_main_~x~4 376), 151303#(<= ULTIMATE.start_main_~x~4 378), 151300#(<= ULTIMATE.start_main_~x~4 372), 151301#(<= ULTIMATE.start_main_~x~4 374), 151306#(<= ULTIMATE.start_main_~x~4 384), 151307#(<= ULTIMATE.start_main_~x~4 386), 151304#(<= ULTIMATE.start_main_~x~4 380), 151305#(<= ULTIMATE.start_main_~x~4 382), 151310#(<= ULTIMATE.start_main_~x~4 392), 151311#(<= ULTIMATE.start_main_~x~4 394), 151308#(<= ULTIMATE.start_main_~x~4 388), 151309#(<= ULTIMATE.start_main_~x~4 390), 151314#(<= ULTIMATE.start_main_~x~4 400), 151315#(<= ULTIMATE.start_main_~x~4 402), 151312#(<= ULTIMATE.start_main_~x~4 396), 151313#(<= ULTIMATE.start_main_~x~4 398), 151318#(<= ULTIMATE.start_main_~x~4 408), 151319#(<= ULTIMATE.start_main_~x~4 410), 151316#(<= ULTIMATE.start_main_~x~4 404), 151317#(<= ULTIMATE.start_main_~x~4 406), 151322#(<= ULTIMATE.start_main_~x~4 416), 151323#(<= ULTIMATE.start_main_~x~4 418), 151320#(<= ULTIMATE.start_main_~x~4 412), 151321#(<= ULTIMATE.start_main_~x~4 414), 151326#(<= ULTIMATE.start_main_~x~4 424), 151327#(<= ULTIMATE.start_main_~x~4 426), 151324#(<= ULTIMATE.start_main_~x~4 420), 151325#(<= ULTIMATE.start_main_~x~4 422), 151330#(<= ULTIMATE.start_main_~x~4 432), 151331#(<= ULTIMATE.start_main_~x~4 434), 151328#(<= ULTIMATE.start_main_~x~4 428), 151329#(<= ULTIMATE.start_main_~x~4 430), 151334#(<= ULTIMATE.start_main_~x~4 440), 151335#(<= ULTIMATE.start_main_~x~4 442), 151332#(<= ULTIMATE.start_main_~x~4 436), 151333#(<= ULTIMATE.start_main_~x~4 438), 151338#(<= ULTIMATE.start_main_~x~4 448), 151339#(<= ULTIMATE.start_main_~x~4 450), 151336#(<= ULTIMATE.start_main_~x~4 444), 151337#(<= ULTIMATE.start_main_~x~4 446), 151342#(<= ULTIMATE.start_main_~x~4 456), 151343#(<= ULTIMATE.start_main_~x~4 458), 151340#(<= ULTIMATE.start_main_~x~4 452), 151341#(<= ULTIMATE.start_main_~x~4 454), 151346#(<= ULTIMATE.start_main_~x~4 464), 151347#(<= ULTIMATE.start_main_~x~4 466), 151344#(<= ULTIMATE.start_main_~x~4 460), 151345#(<= ULTIMATE.start_main_~x~4 462), 151350#(<= ULTIMATE.start_main_~x~4 472), 151351#(<= ULTIMATE.start_main_~x~4 474), 151348#(<= ULTIMATE.start_main_~x~4 468), 151349#(<= ULTIMATE.start_main_~x~4 470), 151354#(<= ULTIMATE.start_main_~x~4 480), 151355#(<= ULTIMATE.start_main_~x~4 482), 151352#(<= ULTIMATE.start_main_~x~4 476), 151353#(<= ULTIMATE.start_main_~x~4 478), 151358#(<= ULTIMATE.start_main_~x~4 488), 151359#(<= ULTIMATE.start_main_~x~4 490), 151356#(<= ULTIMATE.start_main_~x~4 484), 151357#(<= ULTIMATE.start_main_~x~4 486), 151360#(<= ULTIMATE.start_main_~x~4 492)] [2018-07-23 13:44:58,452 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 13:44:58,452 INFO L450 AbstractCegarLoop]: Interpolant automaton has 244 states [2018-07-23 13:44:58,457 INFO L132 InterpolantAutomaton]: Constructing interpolant automaton starting with 244 interpolants. [2018-07-23 13:44:58,461 INFO L133 InterpolantAutomaton]: CoverageRelationStatistics Valid=29646, Invalid=29646, Unknown=0, NotChecked=0, Total=59292 [2018-07-23 13:44:58,461 INFO L87 Difference]: Start difference. First operand 245 states and 245 transitions. Second operand 244 states. [2018-07-23 13:45:00,268 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2018-07-23 13:45:00,269 INFO L93 Difference]: Finished difference Result 248 states and 248 transitions. [2018-07-23 13:45:00,269 INFO L142 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 244 states. [2018-07-23 13:45:00,269 INFO L78 Accepts]: Start accepts. Automaton has 244 states. Word has length 244 [2018-07-23 13:45:00,269 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2018-07-23 13:45:00,270 INFO L225 Difference]: With dead ends: 248 [2018-07-23 13:45:00,270 INFO L226 Difference]: Without dead ends: 246 [2018-07-23 13:45:00,274 INFO L575 BasicCegarLoop]: 0 DeclaredPredicates, 243 GetRequests, 1 SyntacticMatches, 0 SemanticMatches, 242 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 0 ImplicationChecksByTransitivity, 1.1s TimeCoverageRelationStatistics Valid=29646, Invalid=29646, Unknown=0, NotChecked=0, Total=59292 [2018-07-23 13:45:00,274 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 246 states. [2018-07-23 13:45:00,277 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 246 to 246. [2018-07-23 13:45:00,277 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 246 states. [2018-07-23 13:45:00,277 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 246 states to 246 states and 246 transitions. [2018-07-23 13:45:00,277 INFO L78 Accepts]: Start accepts. Automaton has 246 states and 246 transitions. Word has length 244 [2018-07-23 13:45:00,277 INFO L84 Accepts]: Finished accepts. word is rejected. [2018-07-23 13:45:00,277 INFO L471 AbstractCegarLoop]: Abstraction has 246 states and 246 transitions. [2018-07-23 13:45:00,278 INFO L472 AbstractCegarLoop]: Interpolant automaton has 244 states. [2018-07-23 13:45:00,278 INFO L276 IsEmpty]: Start isEmpty. Operand 246 states and 246 transitions. [2018-07-23 13:45:00,278 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 246 [2018-07-23 13:45:00,278 INFO L349 BasicCegarLoop]: Found error trace [2018-07-23 13:45:00,279 INFO L357 BasicCegarLoop]: trace histogram [242, 1, 1, 1] [2018-07-23 13:45:00,279 INFO L414 AbstractCegarLoop]: === Iteration 243 === [ULTIMATE.startErr0AssertViolationASSERT]=== [2018-07-23 13:45:00,279 INFO L82 PathProgramCache]: Analyzing trace with hash -1850631391, now seen corresponding path program 242 times [2018-07-23 13:45:00,279 INFO L69 tionRefinementEngine]: Using refinement strategy FixedRefinementStrategy [2018-07-23 13:45:00,299 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-07-23 13:45:01,625 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 13:45:01,625 INFO L309 seRefinementStrategy]: Constructing automaton from 0 perfect and 1 imperfect interpolant sequences. [2018-07-23 13:45:01,625 INFO L324 seRefinementStrategy]: Number of different interpolants: perfect sequences [] imperfect sequences [244] total 244 [2018-07-23 13:45:01,625 INFO L142 lantAutomatonBuilder]: Constructing canonical interpolant automaton, with selfloop in false state [2018-07-23 13:45:01,625 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2018-07-23 13:45:01,626 INFO L185 omatonBuilderFactory]: Interpolants [152578#(<= ULTIMATE.start_main_~x~4 464), 152579#(<= ULTIMATE.start_main_~x~4 466), 152576#(<= ULTIMATE.start_main_~x~4 460), 152577#(<= ULTIMATE.start_main_~x~4 462), 152582#(<= ULTIMATE.start_main_~x~4 472), 152583#(<= ULTIMATE.start_main_~x~4 474), 152580#(<= ULTIMATE.start_main_~x~4 468), 152581#(<= ULTIMATE.start_main_~x~4 470), 152586#(<= ULTIMATE.start_main_~x~4 480), 152587#(<= ULTIMATE.start_main_~x~4 482), 152584#(<= ULTIMATE.start_main_~x~4 476), 152585#(<= ULTIMATE.start_main_~x~4 478), 152590#(<= ULTIMATE.start_main_~x~4 488), 152591#(<= ULTIMATE.start_main_~x~4 490), 152588#(<= ULTIMATE.start_main_~x~4 484), 152589#(<= ULTIMATE.start_main_~x~4 486), 152592#(<= ULTIMATE.start_main_~x~4 492), 152593#(<= ULTIMATE.start_main_~x~4 494), 152350#false, 152351#(<= ULTIMATE.start_main_~x~4 10), 152349#true, 152354#(<= ULTIMATE.start_main_~x~4 16), 152355#(<= ULTIMATE.start_main_~x~4 18), 152352#(<= ULTIMATE.start_main_~x~4 12), 152353#(<= ULTIMATE.start_main_~x~4 14), 152358#(<= ULTIMATE.start_main_~x~4 24), 152359#(<= ULTIMATE.start_main_~x~4 26), 152356#(<= ULTIMATE.start_main_~x~4 20), 152357#(<= ULTIMATE.start_main_~x~4 22), 152362#(<= ULTIMATE.start_main_~x~4 32), 152363#(<= ULTIMATE.start_main_~x~4 34), 152360#(<= ULTIMATE.start_main_~x~4 28), 152361#(<= ULTIMATE.start_main_~x~4 30), 152366#(<= ULTIMATE.start_main_~x~4 40), 152367#(<= ULTIMATE.start_main_~x~4 42), 152364#(<= ULTIMATE.start_main_~x~4 36), 152365#(<= ULTIMATE.start_main_~x~4 38), 152370#(<= ULTIMATE.start_main_~x~4 48), 152371#(<= ULTIMATE.start_main_~x~4 50), 152368#(<= ULTIMATE.start_main_~x~4 44), 152369#(<= ULTIMATE.start_main_~x~4 46), 152374#(<= ULTIMATE.start_main_~x~4 56), 152375#(<= ULTIMATE.start_main_~x~4 58), 152372#(<= ULTIMATE.start_main_~x~4 52), 152373#(<= ULTIMATE.start_main_~x~4 54), 152378#(<= ULTIMATE.start_main_~x~4 64), 152379#(<= ULTIMATE.start_main_~x~4 66), 152376#(<= ULTIMATE.start_main_~x~4 60), 152377#(<= ULTIMATE.start_main_~x~4 62), 152382#(<= ULTIMATE.start_main_~x~4 72), 152383#(<= ULTIMATE.start_main_~x~4 74), 152380#(<= ULTIMATE.start_main_~x~4 68), 152381#(<= ULTIMATE.start_main_~x~4 70), 152386#(<= ULTIMATE.start_main_~x~4 80), 152387#(<= ULTIMATE.start_main_~x~4 82), 152384#(<= ULTIMATE.start_main_~x~4 76), 152385#(<= ULTIMATE.start_main_~x~4 78), 152390#(<= ULTIMATE.start_main_~x~4 88), 152391#(<= ULTIMATE.start_main_~x~4 90), 152388#(<= ULTIMATE.start_main_~x~4 84), 152389#(<= ULTIMATE.start_main_~x~4 86), 152394#(<= ULTIMATE.start_main_~x~4 96), 152395#(<= ULTIMATE.start_main_~x~4 98), 152392#(<= ULTIMATE.start_main_~x~4 92), 152393#(<= ULTIMATE.start_main_~x~4 94), 152398#(<= ULTIMATE.start_main_~x~4 104), 152399#(<= ULTIMATE.start_main_~x~4 106), 152396#(<= ULTIMATE.start_main_~x~4 100), 152397#(<= ULTIMATE.start_main_~x~4 102), 152402#(<= ULTIMATE.start_main_~x~4 112), 152403#(<= ULTIMATE.start_main_~x~4 114), 152400#(<= ULTIMATE.start_main_~x~4 108), 152401#(<= ULTIMATE.start_main_~x~4 110), 152406#(<= ULTIMATE.start_main_~x~4 120), 152407#(<= ULTIMATE.start_main_~x~4 122), 152404#(<= ULTIMATE.start_main_~x~4 116), 152405#(<= ULTIMATE.start_main_~x~4 118), 152410#(<= ULTIMATE.start_main_~x~4 128), 152411#(<= ULTIMATE.start_main_~x~4 130), 152408#(<= ULTIMATE.start_main_~x~4 124), 152409#(<= ULTIMATE.start_main_~x~4 126), 152414#(<= ULTIMATE.start_main_~x~4 136), 152415#(<= ULTIMATE.start_main_~x~4 138), 152412#(<= ULTIMATE.start_main_~x~4 132), 152413#(<= ULTIMATE.start_main_~x~4 134), 152418#(<= ULTIMATE.start_main_~x~4 144), 152419#(<= ULTIMATE.start_main_~x~4 146), 152416#(<= ULTIMATE.start_main_~x~4 140), 152417#(<= ULTIMATE.start_main_~x~4 142), 152422#(<= ULTIMATE.start_main_~x~4 152), 152423#(<= ULTIMATE.start_main_~x~4 154), 152420#(<= ULTIMATE.start_main_~x~4 148), 152421#(<= ULTIMATE.start_main_~x~4 150), 152426#(<= ULTIMATE.start_main_~x~4 160), 152427#(<= ULTIMATE.start_main_~x~4 162), 152424#(<= ULTIMATE.start_main_~x~4 156), 152425#(<= ULTIMATE.start_main_~x~4 158), 152430#(<= ULTIMATE.start_main_~x~4 168), 152431#(<= ULTIMATE.start_main_~x~4 170), 152428#(<= ULTIMATE.start_main_~x~4 164), 152429#(<= ULTIMATE.start_main_~x~4 166), 152434#(<= ULTIMATE.start_main_~x~4 176), 152435#(<= ULTIMATE.start_main_~x~4 178), 152432#(<= ULTIMATE.start_main_~x~4 172), 152433#(<= ULTIMATE.start_main_~x~4 174), 152438#(<= ULTIMATE.start_main_~x~4 184), 152439#(<= ULTIMATE.start_main_~x~4 186), 152436#(<= ULTIMATE.start_main_~x~4 180), 152437#(<= ULTIMATE.start_main_~x~4 182), 152442#(<= ULTIMATE.start_main_~x~4 192), 152443#(<= ULTIMATE.start_main_~x~4 194), 152440#(<= ULTIMATE.start_main_~x~4 188), 152441#(<= ULTIMATE.start_main_~x~4 190), 152446#(<= ULTIMATE.start_main_~x~4 200), 152447#(<= ULTIMATE.start_main_~x~4 202), 152444#(<= ULTIMATE.start_main_~x~4 196), 152445#(<= ULTIMATE.start_main_~x~4 198), 152450#(<= ULTIMATE.start_main_~x~4 208), 152451#(<= ULTIMATE.start_main_~x~4 210), 152448#(<= ULTIMATE.start_main_~x~4 204), 152449#(<= ULTIMATE.start_main_~x~4 206), 152454#(<= ULTIMATE.start_main_~x~4 216), 152455#(<= ULTIMATE.start_main_~x~4 218), 152452#(<= ULTIMATE.start_main_~x~4 212), 152453#(<= ULTIMATE.start_main_~x~4 214), 152458#(<= ULTIMATE.start_main_~x~4 224), 152459#(<= ULTIMATE.start_main_~x~4 226), 152456#(<= ULTIMATE.start_main_~x~4 220), 152457#(<= ULTIMATE.start_main_~x~4 222), 152462#(<= ULTIMATE.start_main_~x~4 232), 152463#(<= ULTIMATE.start_main_~x~4 234), 152460#(<= ULTIMATE.start_main_~x~4 228), 152461#(<= ULTIMATE.start_main_~x~4 230), 152466#(<= ULTIMATE.start_main_~x~4 240), 152467#(<= ULTIMATE.start_main_~x~4 242), 152464#(<= ULTIMATE.start_main_~x~4 236), 152465#(<= ULTIMATE.start_main_~x~4 238), 152470#(<= ULTIMATE.start_main_~x~4 248), 152471#(<= ULTIMATE.start_main_~x~4 250), 152468#(<= ULTIMATE.start_main_~x~4 244), 152469#(<= ULTIMATE.start_main_~x~4 246), 152474#(<= ULTIMATE.start_main_~x~4 256), 152475#(<= ULTIMATE.start_main_~x~4 258), 152472#(<= ULTIMATE.start_main_~x~4 252), 152473#(<= ULTIMATE.start_main_~x~4 254), 152478#(<= ULTIMATE.start_main_~x~4 264), 152479#(<= ULTIMATE.start_main_~x~4 266), 152476#(<= ULTIMATE.start_main_~x~4 260), 152477#(<= ULTIMATE.start_main_~x~4 262), 152482#(<= ULTIMATE.start_main_~x~4 272), 152483#(<= ULTIMATE.start_main_~x~4 274), 152480#(<= ULTIMATE.start_main_~x~4 268), 152481#(<= ULTIMATE.start_main_~x~4 270), 152486#(<= ULTIMATE.start_main_~x~4 280), 152487#(<= ULTIMATE.start_main_~x~4 282), 152484#(<= ULTIMATE.start_main_~x~4 276), 152485#(<= ULTIMATE.start_main_~x~4 278), 152490#(<= ULTIMATE.start_main_~x~4 288), 152491#(<= ULTIMATE.start_main_~x~4 290), 152488#(<= ULTIMATE.start_main_~x~4 284), 152489#(<= ULTIMATE.start_main_~x~4 286), 152494#(<= ULTIMATE.start_main_~x~4 296), 152495#(<= ULTIMATE.start_main_~x~4 298), 152492#(<= ULTIMATE.start_main_~x~4 292), 152493#(<= ULTIMATE.start_main_~x~4 294), 152498#(<= ULTIMATE.start_main_~x~4 304), 152499#(<= ULTIMATE.start_main_~x~4 306), 152496#(<= ULTIMATE.start_main_~x~4 300), 152497#(<= ULTIMATE.start_main_~x~4 302), 152502#(<= ULTIMATE.start_main_~x~4 312), 152503#(<= ULTIMATE.start_main_~x~4 314), 152500#(<= ULTIMATE.start_main_~x~4 308), 152501#(<= ULTIMATE.start_main_~x~4 310), 152506#(<= ULTIMATE.start_main_~x~4 320), 152507#(<= ULTIMATE.start_main_~x~4 322), 152504#(<= ULTIMATE.start_main_~x~4 316), 152505#(<= ULTIMATE.start_main_~x~4 318), 152510#(<= ULTIMATE.start_main_~x~4 328), 152511#(<= ULTIMATE.start_main_~x~4 330), 152508#(<= ULTIMATE.start_main_~x~4 324), 152509#(<= ULTIMATE.start_main_~x~4 326), 152514#(<= ULTIMATE.start_main_~x~4 336), 152515#(<= ULTIMATE.start_main_~x~4 338), 152512#(<= ULTIMATE.start_main_~x~4 332), 152513#(<= ULTIMATE.start_main_~x~4 334), 152518#(<= ULTIMATE.start_main_~x~4 344), 152519#(<= ULTIMATE.start_main_~x~4 346), 152516#(<= ULTIMATE.start_main_~x~4 340), 152517#(<= ULTIMATE.start_main_~x~4 342), 152522#(<= ULTIMATE.start_main_~x~4 352), 152523#(<= ULTIMATE.start_main_~x~4 354), 152520#(<= ULTIMATE.start_main_~x~4 348), 152521#(<= ULTIMATE.start_main_~x~4 350), 152526#(<= ULTIMATE.start_main_~x~4 360), 152527#(<= ULTIMATE.start_main_~x~4 362), 152524#(<= ULTIMATE.start_main_~x~4 356), 152525#(<= ULTIMATE.start_main_~x~4 358), 152530#(<= ULTIMATE.start_main_~x~4 368), 152531#(<= ULTIMATE.start_main_~x~4 370), 152528#(<= ULTIMATE.start_main_~x~4 364), 152529#(<= ULTIMATE.start_main_~x~4 366), 152534#(<= ULTIMATE.start_main_~x~4 376), 152535#(<= ULTIMATE.start_main_~x~4 378), 152532#(<= ULTIMATE.start_main_~x~4 372), 152533#(<= ULTIMATE.start_main_~x~4 374), 152538#(<= ULTIMATE.start_main_~x~4 384), 152539#(<= ULTIMATE.start_main_~x~4 386), 152536#(<= ULTIMATE.start_main_~x~4 380), 152537#(<= ULTIMATE.start_main_~x~4 382), 152542#(<= ULTIMATE.start_main_~x~4 392), 152543#(<= ULTIMATE.start_main_~x~4 394), 152540#(<= ULTIMATE.start_main_~x~4 388), 152541#(<= ULTIMATE.start_main_~x~4 390), 152546#(<= ULTIMATE.start_main_~x~4 400), 152547#(<= ULTIMATE.start_main_~x~4 402), 152544#(<= ULTIMATE.start_main_~x~4 396), 152545#(<= ULTIMATE.start_main_~x~4 398), 152550#(<= ULTIMATE.start_main_~x~4 408), 152551#(<= ULTIMATE.start_main_~x~4 410), 152548#(<= ULTIMATE.start_main_~x~4 404), 152549#(<= ULTIMATE.start_main_~x~4 406), 152554#(<= ULTIMATE.start_main_~x~4 416), 152555#(<= ULTIMATE.start_main_~x~4 418), 152552#(<= ULTIMATE.start_main_~x~4 412), 152553#(<= ULTIMATE.start_main_~x~4 414), 152558#(<= ULTIMATE.start_main_~x~4 424), 152559#(<= ULTIMATE.start_main_~x~4 426), 152556#(<= ULTIMATE.start_main_~x~4 420), 152557#(<= ULTIMATE.start_main_~x~4 422), 152562#(<= ULTIMATE.start_main_~x~4 432), 152563#(<= ULTIMATE.start_main_~x~4 434), 152560#(<= ULTIMATE.start_main_~x~4 428), 152561#(<= ULTIMATE.start_main_~x~4 430), 152566#(<= ULTIMATE.start_main_~x~4 440), 152567#(<= ULTIMATE.start_main_~x~4 442), 152564#(<= ULTIMATE.start_main_~x~4 436), 152565#(<= ULTIMATE.start_main_~x~4 438), 152570#(<= ULTIMATE.start_main_~x~4 448), 152571#(<= ULTIMATE.start_main_~x~4 450), 152568#(<= ULTIMATE.start_main_~x~4 444), 152569#(<= ULTIMATE.start_main_~x~4 446), 152574#(<= ULTIMATE.start_main_~x~4 456), 152575#(<= ULTIMATE.start_main_~x~4 458), 152572#(<= ULTIMATE.start_main_~x~4 452), 152573#(<= ULTIMATE.start_main_~x~4 454)] [2018-07-23 13:45:01,627 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 13:45:01,627 INFO L450 AbstractCegarLoop]: Interpolant automaton has 245 states [2018-07-23 13:45:01,630 INFO L132 InterpolantAutomaton]: Constructing interpolant automaton starting with 245 interpolants. [2018-07-23 13:45:01,632 INFO L133 InterpolantAutomaton]: CoverageRelationStatistics Valid=29890, Invalid=29890, Unknown=0, NotChecked=0, Total=59780 [2018-07-23 13:45:01,632 INFO L87 Difference]: Start difference. First operand 246 states and 246 transitions. Second operand 245 states. [2018-07-23 13:45:03,348 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2018-07-23 13:45:03,348 INFO L93 Difference]: Finished difference Result 249 states and 249 transitions. [2018-07-23 13:45:03,349 INFO L142 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 245 states. [2018-07-23 13:45:03,349 INFO L78 Accepts]: Start accepts. Automaton has 245 states. Word has length 245 [2018-07-23 13:45:03,349 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2018-07-23 13:45:03,349 INFO L225 Difference]: With dead ends: 249 [2018-07-23 13:45:03,349 INFO L226 Difference]: Without dead ends: 247 [2018-07-23 13:45:03,352 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 13:45:03,353 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 247 states. [2018-07-23 13:45:03,354 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 247 to 247. [2018-07-23 13:45:03,355 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 247 states. [2018-07-23 13:45:03,355 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 247 states to 247 states and 247 transitions. [2018-07-23 13:45:03,355 INFO L78 Accepts]: Start accepts. Automaton has 247 states and 247 transitions. Word has length 245 [2018-07-23 13:45:03,355 INFO L84 Accepts]: Finished accepts. word is rejected. [2018-07-23 13:45:03,355 INFO L471 AbstractCegarLoop]: Abstraction has 247 states and 247 transitions. [2018-07-23 13:45:03,355 INFO L472 AbstractCegarLoop]: Interpolant automaton has 245 states. [2018-07-23 13:45:03,355 INFO L276 IsEmpty]: Start isEmpty. Operand 247 states and 247 transitions. [2018-07-23 13:45:03,356 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 247 [2018-07-23 13:45:03,356 INFO L349 BasicCegarLoop]: Found error trace [2018-07-23 13:45:03,356 INFO L357 BasicCegarLoop]: trace histogram [243, 1, 1, 1] [2018-07-23 13:45:03,356 INFO L414 AbstractCegarLoop]: === Iteration 244 === [ULTIMATE.startErr0AssertViolationASSERT]=== [2018-07-23 13:45:03,356 INFO L82 PathProgramCache]: Analyzing trace with hash -1535000248, now seen corresponding path program 243 times [2018-07-23 13:45:03,356 INFO L69 tionRefinementEngine]: Using refinement strategy FixedRefinementStrategy [2018-07-23 13:45:03,375 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-07-23 13:45:04,681 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 13:45:04,681 INFO L309 seRefinementStrategy]: Constructing automaton from 0 perfect and 1 imperfect interpolant sequences. [2018-07-23 13:45:04,681 INFO L324 seRefinementStrategy]: Number of different interpolants: perfect sequences [] imperfect sequences [245] total 245 [2018-07-23 13:45:04,682 INFO L142 lantAutomatonBuilder]: Constructing canonical interpolant automaton, with selfloop in false state [2018-07-23 13:45:04,682 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 13:45:04,682 INFO L185 omatonBuilderFactory]: Interpolants [153602#(<= ULTIMATE.start_main_~x~4 38), 153603#(<= ULTIMATE.start_main_~x~4 40), 153600#(<= ULTIMATE.start_main_~x~4 34), 153601#(<= ULTIMATE.start_main_~x~4 36), 153606#(<= ULTIMATE.start_main_~x~4 46), 153607#(<= ULTIMATE.start_main_~x~4 48), 153604#(<= ULTIMATE.start_main_~x~4 42), 153605#(<= ULTIMATE.start_main_~x~4 44), 153610#(<= ULTIMATE.start_main_~x~4 54), 153611#(<= ULTIMATE.start_main_~x~4 56), 153608#(<= ULTIMATE.start_main_~x~4 50), 153609#(<= ULTIMATE.start_main_~x~4 52), 153614#(<= ULTIMATE.start_main_~x~4 62), 153615#(<= ULTIMATE.start_main_~x~4 64), 153612#(<= ULTIMATE.start_main_~x~4 58), 153613#(<= ULTIMATE.start_main_~x~4 60), 153618#(<= ULTIMATE.start_main_~x~4 70), 153619#(<= ULTIMATE.start_main_~x~4 72), 153616#(<= ULTIMATE.start_main_~x~4 66), 153617#(<= ULTIMATE.start_main_~x~4 68), 153622#(<= ULTIMATE.start_main_~x~4 78), 153623#(<= ULTIMATE.start_main_~x~4 80), 153620#(<= ULTIMATE.start_main_~x~4 74), 153621#(<= ULTIMATE.start_main_~x~4 76), 153626#(<= ULTIMATE.start_main_~x~4 86), 153627#(<= ULTIMATE.start_main_~x~4 88), 153624#(<= ULTIMATE.start_main_~x~4 82), 153625#(<= ULTIMATE.start_main_~x~4 84), 153630#(<= ULTIMATE.start_main_~x~4 94), 153631#(<= ULTIMATE.start_main_~x~4 96), 153628#(<= ULTIMATE.start_main_~x~4 90), 153629#(<= ULTIMATE.start_main_~x~4 92), 153634#(<= ULTIMATE.start_main_~x~4 102), 153635#(<= ULTIMATE.start_main_~x~4 104), 153632#(<= ULTIMATE.start_main_~x~4 98), 153633#(<= ULTIMATE.start_main_~x~4 100), 153638#(<= ULTIMATE.start_main_~x~4 110), 153639#(<= ULTIMATE.start_main_~x~4 112), 153636#(<= ULTIMATE.start_main_~x~4 106), 153637#(<= ULTIMATE.start_main_~x~4 108), 153642#(<= ULTIMATE.start_main_~x~4 118), 153643#(<= ULTIMATE.start_main_~x~4 120), 153640#(<= ULTIMATE.start_main_~x~4 114), 153641#(<= ULTIMATE.start_main_~x~4 116), 153646#(<= ULTIMATE.start_main_~x~4 126), 153647#(<= ULTIMATE.start_main_~x~4 128), 153644#(<= ULTIMATE.start_main_~x~4 122), 153645#(<= ULTIMATE.start_main_~x~4 124), 153650#(<= ULTIMATE.start_main_~x~4 134), 153651#(<= ULTIMATE.start_main_~x~4 136), 153648#(<= ULTIMATE.start_main_~x~4 130), 153649#(<= ULTIMATE.start_main_~x~4 132), 153654#(<= ULTIMATE.start_main_~x~4 142), 153655#(<= ULTIMATE.start_main_~x~4 144), 153652#(<= ULTIMATE.start_main_~x~4 138), 153653#(<= ULTIMATE.start_main_~x~4 140), 153658#(<= ULTIMATE.start_main_~x~4 150), 153659#(<= ULTIMATE.start_main_~x~4 152), 153656#(<= ULTIMATE.start_main_~x~4 146), 153657#(<= ULTIMATE.start_main_~x~4 148), 153662#(<= ULTIMATE.start_main_~x~4 158), 153663#(<= ULTIMATE.start_main_~x~4 160), 153660#(<= ULTIMATE.start_main_~x~4 154), 153661#(<= ULTIMATE.start_main_~x~4 156), 153666#(<= ULTIMATE.start_main_~x~4 166), 153667#(<= ULTIMATE.start_main_~x~4 168), 153664#(<= ULTIMATE.start_main_~x~4 162), 153665#(<= ULTIMATE.start_main_~x~4 164), 153670#(<= ULTIMATE.start_main_~x~4 174), 153671#(<= ULTIMATE.start_main_~x~4 176), 153668#(<= ULTIMATE.start_main_~x~4 170), 153669#(<= ULTIMATE.start_main_~x~4 172), 153674#(<= ULTIMATE.start_main_~x~4 182), 153675#(<= ULTIMATE.start_main_~x~4 184), 153672#(<= ULTIMATE.start_main_~x~4 178), 153673#(<= ULTIMATE.start_main_~x~4 180), 153678#(<= ULTIMATE.start_main_~x~4 190), 153679#(<= ULTIMATE.start_main_~x~4 192), 153676#(<= ULTIMATE.start_main_~x~4 186), 153677#(<= ULTIMATE.start_main_~x~4 188), 153682#(<= ULTIMATE.start_main_~x~4 198), 153683#(<= ULTIMATE.start_main_~x~4 200), 153680#(<= ULTIMATE.start_main_~x~4 194), 153681#(<= ULTIMATE.start_main_~x~4 196), 153686#(<= ULTIMATE.start_main_~x~4 206), 153687#(<= ULTIMATE.start_main_~x~4 208), 153684#(<= ULTIMATE.start_main_~x~4 202), 153685#(<= ULTIMATE.start_main_~x~4 204), 153690#(<= ULTIMATE.start_main_~x~4 214), 153691#(<= ULTIMATE.start_main_~x~4 216), 153688#(<= ULTIMATE.start_main_~x~4 210), 153689#(<= ULTIMATE.start_main_~x~4 212), 153694#(<= ULTIMATE.start_main_~x~4 222), 153695#(<= ULTIMATE.start_main_~x~4 224), 153692#(<= ULTIMATE.start_main_~x~4 218), 153693#(<= ULTIMATE.start_main_~x~4 220), 153698#(<= ULTIMATE.start_main_~x~4 230), 153699#(<= ULTIMATE.start_main_~x~4 232), 153696#(<= ULTIMATE.start_main_~x~4 226), 153697#(<= ULTIMATE.start_main_~x~4 228), 153702#(<= ULTIMATE.start_main_~x~4 238), 153703#(<= ULTIMATE.start_main_~x~4 240), 153700#(<= ULTIMATE.start_main_~x~4 234), 153701#(<= ULTIMATE.start_main_~x~4 236), 153706#(<= ULTIMATE.start_main_~x~4 246), 153707#(<= ULTIMATE.start_main_~x~4 248), 153704#(<= ULTIMATE.start_main_~x~4 242), 153705#(<= ULTIMATE.start_main_~x~4 244), 153710#(<= ULTIMATE.start_main_~x~4 254), 153711#(<= ULTIMATE.start_main_~x~4 256), 153708#(<= ULTIMATE.start_main_~x~4 250), 153709#(<= ULTIMATE.start_main_~x~4 252), 153714#(<= ULTIMATE.start_main_~x~4 262), 153715#(<= ULTIMATE.start_main_~x~4 264), 153712#(<= ULTIMATE.start_main_~x~4 258), 153713#(<= ULTIMATE.start_main_~x~4 260), 153718#(<= ULTIMATE.start_main_~x~4 270), 153719#(<= ULTIMATE.start_main_~x~4 272), 153716#(<= ULTIMATE.start_main_~x~4 266), 153717#(<= ULTIMATE.start_main_~x~4 268), 153722#(<= ULTIMATE.start_main_~x~4 278), 153723#(<= ULTIMATE.start_main_~x~4 280), 153720#(<= ULTIMATE.start_main_~x~4 274), 153721#(<= ULTIMATE.start_main_~x~4 276), 153726#(<= ULTIMATE.start_main_~x~4 286), 153727#(<= ULTIMATE.start_main_~x~4 288), 153724#(<= ULTIMATE.start_main_~x~4 282), 153725#(<= ULTIMATE.start_main_~x~4 284), 153730#(<= ULTIMATE.start_main_~x~4 294), 153731#(<= ULTIMATE.start_main_~x~4 296), 153728#(<= ULTIMATE.start_main_~x~4 290), 153729#(<= ULTIMATE.start_main_~x~4 292), 153734#(<= ULTIMATE.start_main_~x~4 302), 153735#(<= ULTIMATE.start_main_~x~4 304), 153732#(<= ULTIMATE.start_main_~x~4 298), 153733#(<= ULTIMATE.start_main_~x~4 300), 153738#(<= ULTIMATE.start_main_~x~4 310), 153739#(<= ULTIMATE.start_main_~x~4 312), 153736#(<= ULTIMATE.start_main_~x~4 306), 153737#(<= ULTIMATE.start_main_~x~4 308), 153742#(<= ULTIMATE.start_main_~x~4 318), 153743#(<= ULTIMATE.start_main_~x~4 320), 153740#(<= ULTIMATE.start_main_~x~4 314), 153741#(<= ULTIMATE.start_main_~x~4 316), 153746#(<= ULTIMATE.start_main_~x~4 326), 153747#(<= ULTIMATE.start_main_~x~4 328), 153744#(<= ULTIMATE.start_main_~x~4 322), 153745#(<= ULTIMATE.start_main_~x~4 324), 153750#(<= ULTIMATE.start_main_~x~4 334), 153751#(<= ULTIMATE.start_main_~x~4 336), 153748#(<= ULTIMATE.start_main_~x~4 330), 153749#(<= ULTIMATE.start_main_~x~4 332), 153754#(<= ULTIMATE.start_main_~x~4 342), 153755#(<= ULTIMATE.start_main_~x~4 344), 153752#(<= ULTIMATE.start_main_~x~4 338), 153753#(<= ULTIMATE.start_main_~x~4 340), 153758#(<= ULTIMATE.start_main_~x~4 350), 153759#(<= ULTIMATE.start_main_~x~4 352), 153756#(<= ULTIMATE.start_main_~x~4 346), 153757#(<= ULTIMATE.start_main_~x~4 348), 153762#(<= ULTIMATE.start_main_~x~4 358), 153763#(<= ULTIMATE.start_main_~x~4 360), 153760#(<= ULTIMATE.start_main_~x~4 354), 153761#(<= ULTIMATE.start_main_~x~4 356), 153766#(<= ULTIMATE.start_main_~x~4 366), 153767#(<= ULTIMATE.start_main_~x~4 368), 153764#(<= ULTIMATE.start_main_~x~4 362), 153765#(<= ULTIMATE.start_main_~x~4 364), 153770#(<= ULTIMATE.start_main_~x~4 374), 153771#(<= ULTIMATE.start_main_~x~4 376), 153768#(<= ULTIMATE.start_main_~x~4 370), 153769#(<= ULTIMATE.start_main_~x~4 372), 153774#(<= ULTIMATE.start_main_~x~4 382), 153775#(<= ULTIMATE.start_main_~x~4 384), 153772#(<= ULTIMATE.start_main_~x~4 378), 153773#(<= ULTIMATE.start_main_~x~4 380), 153778#(<= ULTIMATE.start_main_~x~4 390), 153779#(<= ULTIMATE.start_main_~x~4 392), 153776#(<= ULTIMATE.start_main_~x~4 386), 153777#(<= ULTIMATE.start_main_~x~4 388), 153782#(<= ULTIMATE.start_main_~x~4 398), 153783#(<= ULTIMATE.start_main_~x~4 400), 153780#(<= ULTIMATE.start_main_~x~4 394), 153781#(<= ULTIMATE.start_main_~x~4 396), 153786#(<= ULTIMATE.start_main_~x~4 406), 153787#(<= ULTIMATE.start_main_~x~4 408), 153784#(<= ULTIMATE.start_main_~x~4 402), 153785#(<= ULTIMATE.start_main_~x~4 404), 153790#(<= ULTIMATE.start_main_~x~4 414), 153791#(<= ULTIMATE.start_main_~x~4 416), 153788#(<= ULTIMATE.start_main_~x~4 410), 153789#(<= ULTIMATE.start_main_~x~4 412), 153794#(<= ULTIMATE.start_main_~x~4 422), 153795#(<= ULTIMATE.start_main_~x~4 424), 153792#(<= ULTIMATE.start_main_~x~4 418), 153793#(<= ULTIMATE.start_main_~x~4 420), 153798#(<= ULTIMATE.start_main_~x~4 430), 153799#(<= ULTIMATE.start_main_~x~4 432), 153796#(<= ULTIMATE.start_main_~x~4 426), 153797#(<= ULTIMATE.start_main_~x~4 428), 153802#(<= ULTIMATE.start_main_~x~4 438), 153803#(<= ULTIMATE.start_main_~x~4 440), 153800#(<= ULTIMATE.start_main_~x~4 434), 153801#(<= ULTIMATE.start_main_~x~4 436), 153806#(<= ULTIMATE.start_main_~x~4 446), 153807#(<= ULTIMATE.start_main_~x~4 448), 153804#(<= ULTIMATE.start_main_~x~4 442), 153805#(<= ULTIMATE.start_main_~x~4 444), 153810#(<= ULTIMATE.start_main_~x~4 454), 153811#(<= ULTIMATE.start_main_~x~4 456), 153808#(<= ULTIMATE.start_main_~x~4 450), 153809#(<= ULTIMATE.start_main_~x~4 452), 153814#(<= ULTIMATE.start_main_~x~4 462), 153815#(<= ULTIMATE.start_main_~x~4 464), 153812#(<= ULTIMATE.start_main_~x~4 458), 153813#(<= ULTIMATE.start_main_~x~4 460), 153818#(<= ULTIMATE.start_main_~x~4 470), 153819#(<= ULTIMATE.start_main_~x~4 472), 153816#(<= ULTIMATE.start_main_~x~4 466), 153817#(<= ULTIMATE.start_main_~x~4 468), 153822#(<= ULTIMATE.start_main_~x~4 478), 153823#(<= ULTIMATE.start_main_~x~4 480), 153820#(<= ULTIMATE.start_main_~x~4 474), 153821#(<= ULTIMATE.start_main_~x~4 476), 153826#(<= ULTIMATE.start_main_~x~4 486), 153827#(<= ULTIMATE.start_main_~x~4 488), 153824#(<= ULTIMATE.start_main_~x~4 482), 153825#(<= ULTIMATE.start_main_~x~4 484), 153830#(<= ULTIMATE.start_main_~x~4 494), 153831#(<= ULTIMATE.start_main_~x~4 496), 153828#(<= ULTIMATE.start_main_~x~4 490), 153829#(<= ULTIMATE.start_main_~x~4 492), 153586#true, 153587#false, 153590#(<= ULTIMATE.start_main_~x~4 14), 153591#(<= ULTIMATE.start_main_~x~4 16), 153588#(<= ULTIMATE.start_main_~x~4 10), 153589#(<= ULTIMATE.start_main_~x~4 12), 153594#(<= ULTIMATE.start_main_~x~4 22), 153595#(<= ULTIMATE.start_main_~x~4 24), 153592#(<= ULTIMATE.start_main_~x~4 18), 153593#(<= ULTIMATE.start_main_~x~4 20), 153598#(<= ULTIMATE.start_main_~x~4 30), 153599#(<= ULTIMATE.start_main_~x~4 32), 153596#(<= ULTIMATE.start_main_~x~4 26), 153597#(<= ULTIMATE.start_main_~x~4 28)] [2018-07-23 13:45:04,684 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 13:45:04,684 INFO L450 AbstractCegarLoop]: Interpolant automaton has 246 states [2018-07-23 13:45:04,689 INFO L132 InterpolantAutomaton]: Constructing interpolant automaton starting with 246 interpolants. [2018-07-23 13:45:04,692 INFO L133 InterpolantAutomaton]: CoverageRelationStatistics Valid=30135, Invalid=30135, Unknown=0, NotChecked=0, Total=60270 [2018-07-23 13:45:04,692 INFO L87 Difference]: Start difference. First operand 247 states and 247 transitions. Second operand 246 states. [2018-07-23 13:45:06,845 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2018-07-23 13:45:06,846 INFO L93 Difference]: Finished difference Result 250 states and 250 transitions. [2018-07-23 13:45:06,846 INFO L142 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 246 states. [2018-07-23 13:45:06,846 INFO L78 Accepts]: Start accepts. Automaton has 246 states. Word has length 246 [2018-07-23 13:45:06,846 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2018-07-23 13:45:06,846 INFO L225 Difference]: With dead ends: 250 [2018-07-23 13:45:06,847 INFO L226 Difference]: Without dead ends: 248 [2018-07-23 13:45:06,851 INFO L575 BasicCegarLoop]: 0 DeclaredPredicates, 245 GetRequests, 1 SyntacticMatches, 0 SemanticMatches, 244 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 0 ImplicationChecksByTransitivity, 1.2s TimeCoverageRelationStatistics Valid=30135, Invalid=30135, Unknown=0, NotChecked=0, Total=60270 [2018-07-23 13:45:06,851 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 248 states. [2018-07-23 13:45:06,853 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 248 to 248. [2018-07-23 13:45:06,853 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 248 states. [2018-07-23 13:45:06,854 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 248 states to 248 states and 248 transitions. [2018-07-23 13:45:06,854 INFO L78 Accepts]: Start accepts. Automaton has 248 states and 248 transitions. Word has length 246 [2018-07-23 13:45:06,854 INFO L84 Accepts]: Finished accepts. word is rejected. [2018-07-23 13:45:06,854 INFO L471 AbstractCegarLoop]: Abstraction has 248 states and 248 transitions. [2018-07-23 13:45:06,854 INFO L472 AbstractCegarLoop]: Interpolant automaton has 246 states. [2018-07-23 13:45:06,854 INFO L276 IsEmpty]: Start isEmpty. Operand 248 states and 248 transitions. [2018-07-23 13:45:06,855 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 248 [2018-07-23 13:45:06,855 INFO L349 BasicCegarLoop]: Found error trace [2018-07-23 13:45:06,855 INFO L357 BasicCegarLoop]: trace histogram [244, 1, 1, 1] [2018-07-23 13:45:06,855 INFO L414 AbstractCegarLoop]: === Iteration 245 === [ULTIMATE.startErr0AssertViolationASSERT]=== [2018-07-23 13:45:06,855 INFO L82 PathProgramCache]: Analyzing trace with hash -340369407, now seen corresponding path program 244 times [2018-07-23 13:45:06,855 INFO L69 tionRefinementEngine]: Using refinement strategy FixedRefinementStrategy [2018-07-23 13:45:06,877 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-07-23 13:45:08,229 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 13:45:08,229 INFO L309 seRefinementStrategy]: Constructing automaton from 0 perfect and 1 imperfect interpolant sequences. [2018-07-23 13:45:08,229 INFO L324 seRefinementStrategy]: Number of different interpolants: perfect sequences [] imperfect sequences [246] total 246 [2018-07-23 13:45:08,229 INFO L142 lantAutomatonBuilder]: Constructing canonical interpolant automaton, with selfloop in false state [2018-07-23 13:45:08,229 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 13:45:08,230 INFO L185 omatonBuilderFactory]: Interpolants [154830#(<= ULTIMATE.start_main_~x~4 10), 154831#(<= ULTIMATE.start_main_~x~4 12), 154828#true, 154829#false, 154834#(<= ULTIMATE.start_main_~x~4 18), 154835#(<= ULTIMATE.start_main_~x~4 20), 154832#(<= ULTIMATE.start_main_~x~4 14), 154833#(<= ULTIMATE.start_main_~x~4 16), 154838#(<= ULTIMATE.start_main_~x~4 26), 154839#(<= ULTIMATE.start_main_~x~4 28), 154836#(<= ULTIMATE.start_main_~x~4 22), 154837#(<= ULTIMATE.start_main_~x~4 24), 154842#(<= ULTIMATE.start_main_~x~4 34), 154843#(<= ULTIMATE.start_main_~x~4 36), 154840#(<= ULTIMATE.start_main_~x~4 30), 154841#(<= ULTIMATE.start_main_~x~4 32), 154846#(<= ULTIMATE.start_main_~x~4 42), 154847#(<= ULTIMATE.start_main_~x~4 44), 154844#(<= ULTIMATE.start_main_~x~4 38), 154845#(<= ULTIMATE.start_main_~x~4 40), 154850#(<= ULTIMATE.start_main_~x~4 50), 154851#(<= ULTIMATE.start_main_~x~4 52), 154848#(<= ULTIMATE.start_main_~x~4 46), 154849#(<= ULTIMATE.start_main_~x~4 48), 154854#(<= ULTIMATE.start_main_~x~4 58), 154855#(<= ULTIMATE.start_main_~x~4 60), 154852#(<= ULTIMATE.start_main_~x~4 54), 154853#(<= ULTIMATE.start_main_~x~4 56), 154858#(<= ULTIMATE.start_main_~x~4 66), 154859#(<= ULTIMATE.start_main_~x~4 68), 154856#(<= ULTIMATE.start_main_~x~4 62), 154857#(<= ULTIMATE.start_main_~x~4 64), 154862#(<= ULTIMATE.start_main_~x~4 74), 154863#(<= ULTIMATE.start_main_~x~4 76), 154860#(<= ULTIMATE.start_main_~x~4 70), 154861#(<= ULTIMATE.start_main_~x~4 72), 154866#(<= ULTIMATE.start_main_~x~4 82), 154867#(<= ULTIMATE.start_main_~x~4 84), 154864#(<= ULTIMATE.start_main_~x~4 78), 154865#(<= ULTIMATE.start_main_~x~4 80), 154870#(<= ULTIMATE.start_main_~x~4 90), 154871#(<= ULTIMATE.start_main_~x~4 92), 154868#(<= ULTIMATE.start_main_~x~4 86), 154869#(<= ULTIMATE.start_main_~x~4 88), 154874#(<= ULTIMATE.start_main_~x~4 98), 154875#(<= ULTIMATE.start_main_~x~4 100), 154872#(<= ULTIMATE.start_main_~x~4 94), 154873#(<= ULTIMATE.start_main_~x~4 96), 154878#(<= ULTIMATE.start_main_~x~4 106), 154879#(<= ULTIMATE.start_main_~x~4 108), 154876#(<= ULTIMATE.start_main_~x~4 102), 154877#(<= ULTIMATE.start_main_~x~4 104), 154882#(<= ULTIMATE.start_main_~x~4 114), 154883#(<= ULTIMATE.start_main_~x~4 116), 154880#(<= ULTIMATE.start_main_~x~4 110), 154881#(<= ULTIMATE.start_main_~x~4 112), 154886#(<= ULTIMATE.start_main_~x~4 122), 154887#(<= ULTIMATE.start_main_~x~4 124), 154884#(<= ULTIMATE.start_main_~x~4 118), 154885#(<= ULTIMATE.start_main_~x~4 120), 154890#(<= ULTIMATE.start_main_~x~4 130), 154891#(<= ULTIMATE.start_main_~x~4 132), 154888#(<= ULTIMATE.start_main_~x~4 126), 154889#(<= ULTIMATE.start_main_~x~4 128), 154894#(<= ULTIMATE.start_main_~x~4 138), 154895#(<= ULTIMATE.start_main_~x~4 140), 154892#(<= ULTIMATE.start_main_~x~4 134), 154893#(<= ULTIMATE.start_main_~x~4 136), 154898#(<= ULTIMATE.start_main_~x~4 146), 154899#(<= ULTIMATE.start_main_~x~4 148), 154896#(<= ULTIMATE.start_main_~x~4 142), 154897#(<= ULTIMATE.start_main_~x~4 144), 154902#(<= ULTIMATE.start_main_~x~4 154), 154903#(<= ULTIMATE.start_main_~x~4 156), 154900#(<= ULTIMATE.start_main_~x~4 150), 154901#(<= ULTIMATE.start_main_~x~4 152), 154906#(<= ULTIMATE.start_main_~x~4 162), 154907#(<= ULTIMATE.start_main_~x~4 164), 154904#(<= ULTIMATE.start_main_~x~4 158), 154905#(<= ULTIMATE.start_main_~x~4 160), 154910#(<= ULTIMATE.start_main_~x~4 170), 154911#(<= ULTIMATE.start_main_~x~4 172), 154908#(<= ULTIMATE.start_main_~x~4 166), 154909#(<= ULTIMATE.start_main_~x~4 168), 154914#(<= ULTIMATE.start_main_~x~4 178), 154915#(<= ULTIMATE.start_main_~x~4 180), 154912#(<= ULTIMATE.start_main_~x~4 174), 154913#(<= ULTIMATE.start_main_~x~4 176), 154918#(<= ULTIMATE.start_main_~x~4 186), 154919#(<= ULTIMATE.start_main_~x~4 188), 154916#(<= ULTIMATE.start_main_~x~4 182), 154917#(<= ULTIMATE.start_main_~x~4 184), 154922#(<= ULTIMATE.start_main_~x~4 194), 154923#(<= ULTIMATE.start_main_~x~4 196), 154920#(<= ULTIMATE.start_main_~x~4 190), 154921#(<= ULTIMATE.start_main_~x~4 192), 154926#(<= ULTIMATE.start_main_~x~4 202), 154927#(<= ULTIMATE.start_main_~x~4 204), 154924#(<= ULTIMATE.start_main_~x~4 198), 154925#(<= ULTIMATE.start_main_~x~4 200), 154930#(<= ULTIMATE.start_main_~x~4 210), 154931#(<= ULTIMATE.start_main_~x~4 212), 154928#(<= ULTIMATE.start_main_~x~4 206), 154929#(<= ULTIMATE.start_main_~x~4 208), 154934#(<= ULTIMATE.start_main_~x~4 218), 154935#(<= ULTIMATE.start_main_~x~4 220), 154932#(<= ULTIMATE.start_main_~x~4 214), 154933#(<= ULTIMATE.start_main_~x~4 216), 154938#(<= ULTIMATE.start_main_~x~4 226), 154939#(<= ULTIMATE.start_main_~x~4 228), 154936#(<= ULTIMATE.start_main_~x~4 222), 154937#(<= ULTIMATE.start_main_~x~4 224), 154942#(<= ULTIMATE.start_main_~x~4 234), 154943#(<= ULTIMATE.start_main_~x~4 236), 154940#(<= ULTIMATE.start_main_~x~4 230), 154941#(<= ULTIMATE.start_main_~x~4 232), 154946#(<= ULTIMATE.start_main_~x~4 242), 154947#(<= ULTIMATE.start_main_~x~4 244), 154944#(<= ULTIMATE.start_main_~x~4 238), 154945#(<= ULTIMATE.start_main_~x~4 240), 154950#(<= ULTIMATE.start_main_~x~4 250), 154951#(<= ULTIMATE.start_main_~x~4 252), 154948#(<= ULTIMATE.start_main_~x~4 246), 154949#(<= ULTIMATE.start_main_~x~4 248), 154954#(<= ULTIMATE.start_main_~x~4 258), 154955#(<= ULTIMATE.start_main_~x~4 260), 154952#(<= ULTIMATE.start_main_~x~4 254), 154953#(<= ULTIMATE.start_main_~x~4 256), 154958#(<= ULTIMATE.start_main_~x~4 266), 154959#(<= ULTIMATE.start_main_~x~4 268), 154956#(<= ULTIMATE.start_main_~x~4 262), 154957#(<= ULTIMATE.start_main_~x~4 264), 154962#(<= ULTIMATE.start_main_~x~4 274), 154963#(<= ULTIMATE.start_main_~x~4 276), 154960#(<= ULTIMATE.start_main_~x~4 270), 154961#(<= ULTIMATE.start_main_~x~4 272), 154966#(<= ULTIMATE.start_main_~x~4 282), 154967#(<= ULTIMATE.start_main_~x~4 284), 154964#(<= ULTIMATE.start_main_~x~4 278), 154965#(<= ULTIMATE.start_main_~x~4 280), 154970#(<= ULTIMATE.start_main_~x~4 290), 154971#(<= ULTIMATE.start_main_~x~4 292), 154968#(<= ULTIMATE.start_main_~x~4 286), 154969#(<= ULTIMATE.start_main_~x~4 288), 154974#(<= ULTIMATE.start_main_~x~4 298), 154975#(<= ULTIMATE.start_main_~x~4 300), 154972#(<= ULTIMATE.start_main_~x~4 294), 154973#(<= ULTIMATE.start_main_~x~4 296), 154978#(<= ULTIMATE.start_main_~x~4 306), 154979#(<= ULTIMATE.start_main_~x~4 308), 154976#(<= ULTIMATE.start_main_~x~4 302), 154977#(<= ULTIMATE.start_main_~x~4 304), 154982#(<= ULTIMATE.start_main_~x~4 314), 154983#(<= ULTIMATE.start_main_~x~4 316), 154980#(<= ULTIMATE.start_main_~x~4 310), 154981#(<= ULTIMATE.start_main_~x~4 312), 154986#(<= ULTIMATE.start_main_~x~4 322), 154987#(<= ULTIMATE.start_main_~x~4 324), 154984#(<= ULTIMATE.start_main_~x~4 318), 154985#(<= ULTIMATE.start_main_~x~4 320), 154990#(<= ULTIMATE.start_main_~x~4 330), 154991#(<= ULTIMATE.start_main_~x~4 332), 154988#(<= ULTIMATE.start_main_~x~4 326), 154989#(<= ULTIMATE.start_main_~x~4 328), 154994#(<= ULTIMATE.start_main_~x~4 338), 154995#(<= ULTIMATE.start_main_~x~4 340), 154992#(<= ULTIMATE.start_main_~x~4 334), 154993#(<= ULTIMATE.start_main_~x~4 336), 154998#(<= ULTIMATE.start_main_~x~4 346), 154999#(<= ULTIMATE.start_main_~x~4 348), 154996#(<= ULTIMATE.start_main_~x~4 342), 154997#(<= ULTIMATE.start_main_~x~4 344), 155002#(<= ULTIMATE.start_main_~x~4 354), 155003#(<= ULTIMATE.start_main_~x~4 356), 155000#(<= ULTIMATE.start_main_~x~4 350), 155001#(<= ULTIMATE.start_main_~x~4 352), 155006#(<= ULTIMATE.start_main_~x~4 362), 155007#(<= ULTIMATE.start_main_~x~4 364), 155004#(<= ULTIMATE.start_main_~x~4 358), 155005#(<= ULTIMATE.start_main_~x~4 360), 155010#(<= ULTIMATE.start_main_~x~4 370), 155011#(<= ULTIMATE.start_main_~x~4 372), 155008#(<= ULTIMATE.start_main_~x~4 366), 155009#(<= ULTIMATE.start_main_~x~4 368), 155014#(<= ULTIMATE.start_main_~x~4 378), 155015#(<= ULTIMATE.start_main_~x~4 380), 155012#(<= ULTIMATE.start_main_~x~4 374), 155013#(<= ULTIMATE.start_main_~x~4 376), 155018#(<= ULTIMATE.start_main_~x~4 386), 155019#(<= ULTIMATE.start_main_~x~4 388), 155016#(<= ULTIMATE.start_main_~x~4 382), 155017#(<= ULTIMATE.start_main_~x~4 384), 155022#(<= ULTIMATE.start_main_~x~4 394), 155023#(<= ULTIMATE.start_main_~x~4 396), 155020#(<= ULTIMATE.start_main_~x~4 390), 155021#(<= ULTIMATE.start_main_~x~4 392), 155026#(<= ULTIMATE.start_main_~x~4 402), 155027#(<= ULTIMATE.start_main_~x~4 404), 155024#(<= ULTIMATE.start_main_~x~4 398), 155025#(<= ULTIMATE.start_main_~x~4 400), 155030#(<= ULTIMATE.start_main_~x~4 410), 155031#(<= ULTIMATE.start_main_~x~4 412), 155028#(<= ULTIMATE.start_main_~x~4 406), 155029#(<= ULTIMATE.start_main_~x~4 408), 155034#(<= ULTIMATE.start_main_~x~4 418), 155035#(<= ULTIMATE.start_main_~x~4 420), 155032#(<= ULTIMATE.start_main_~x~4 414), 155033#(<= ULTIMATE.start_main_~x~4 416), 155038#(<= ULTIMATE.start_main_~x~4 426), 155039#(<= ULTIMATE.start_main_~x~4 428), 155036#(<= ULTIMATE.start_main_~x~4 422), 155037#(<= ULTIMATE.start_main_~x~4 424), 155042#(<= ULTIMATE.start_main_~x~4 434), 155043#(<= ULTIMATE.start_main_~x~4 436), 155040#(<= ULTIMATE.start_main_~x~4 430), 155041#(<= ULTIMATE.start_main_~x~4 432), 155046#(<= ULTIMATE.start_main_~x~4 442), 155047#(<= ULTIMATE.start_main_~x~4 444), 155044#(<= ULTIMATE.start_main_~x~4 438), 155045#(<= ULTIMATE.start_main_~x~4 440), 155050#(<= ULTIMATE.start_main_~x~4 450), 155051#(<= ULTIMATE.start_main_~x~4 452), 155048#(<= ULTIMATE.start_main_~x~4 446), 155049#(<= ULTIMATE.start_main_~x~4 448), 155054#(<= ULTIMATE.start_main_~x~4 458), 155055#(<= ULTIMATE.start_main_~x~4 460), 155052#(<= ULTIMATE.start_main_~x~4 454), 155053#(<= ULTIMATE.start_main_~x~4 456), 155058#(<= ULTIMATE.start_main_~x~4 466), 155059#(<= ULTIMATE.start_main_~x~4 468), 155056#(<= ULTIMATE.start_main_~x~4 462), 155057#(<= ULTIMATE.start_main_~x~4 464), 155062#(<= ULTIMATE.start_main_~x~4 474), 155063#(<= ULTIMATE.start_main_~x~4 476), 155060#(<= ULTIMATE.start_main_~x~4 470), 155061#(<= ULTIMATE.start_main_~x~4 472), 155066#(<= ULTIMATE.start_main_~x~4 482), 155067#(<= ULTIMATE.start_main_~x~4 484), 155064#(<= ULTIMATE.start_main_~x~4 478), 155065#(<= ULTIMATE.start_main_~x~4 480), 155070#(<= ULTIMATE.start_main_~x~4 490), 155071#(<= ULTIMATE.start_main_~x~4 492), 155068#(<= ULTIMATE.start_main_~x~4 486), 155069#(<= ULTIMATE.start_main_~x~4 488), 155074#(<= ULTIMATE.start_main_~x~4 498), 155072#(<= ULTIMATE.start_main_~x~4 494), 155073#(<= ULTIMATE.start_main_~x~4 496)] [2018-07-23 13:45:08,231 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 13:45:08,232 INFO L450 AbstractCegarLoop]: Interpolant automaton has 247 states [2018-07-23 13:45:08,235 INFO L132 InterpolantAutomaton]: Constructing interpolant automaton starting with 247 interpolants. [2018-07-23 13:45:08,237 INFO L133 InterpolantAutomaton]: CoverageRelationStatistics Valid=30381, Invalid=30381, Unknown=0, NotChecked=0, Total=60762 [2018-07-23 13:45:08,238 INFO L87 Difference]: Start difference. First operand 248 states and 248 transitions. Second operand 247 states. [2018-07-23 13:45:10,293 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2018-07-23 13:45:10,293 INFO L93 Difference]: Finished difference Result 251 states and 251 transitions. [2018-07-23 13:45:10,293 INFO L142 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 247 states. [2018-07-23 13:45:10,293 INFO L78 Accepts]: Start accepts. Automaton has 247 states. Word has length 247 [2018-07-23 13:45:10,294 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2018-07-23 13:45:10,294 INFO L225 Difference]: With dead ends: 251 [2018-07-23 13:45:10,294 INFO L226 Difference]: Without dead ends: 249 [2018-07-23 13:45:10,297 INFO L575 BasicCegarLoop]: 0 DeclaredPredicates, 246 GetRequests, 1 SyntacticMatches, 0 SemanticMatches, 245 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 0 ImplicationChecksByTransitivity, 1.2s TimeCoverageRelationStatistics Valid=30381, Invalid=30381, Unknown=0, NotChecked=0, Total=60762 [2018-07-23 13:45:10,297 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 249 states. [2018-07-23 13:45:10,299 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 249 to 249. [2018-07-23 13:45:10,299 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 249 states. [2018-07-23 13:45:10,300 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 249 states to 249 states and 249 transitions. [2018-07-23 13:45:10,300 INFO L78 Accepts]: Start accepts. Automaton has 249 states and 249 transitions. Word has length 247 [2018-07-23 13:45:10,300 INFO L84 Accepts]: Finished accepts. word is rejected. [2018-07-23 13:45:10,300 INFO L471 AbstractCegarLoop]: Abstraction has 249 states and 249 transitions. [2018-07-23 13:45:10,300 INFO L472 AbstractCegarLoop]: Interpolant automaton has 247 states. [2018-07-23 13:45:10,300 INFO L276 IsEmpty]: Start isEmpty. Operand 249 states and 249 transitions. [2018-07-23 13:45:10,301 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 249 [2018-07-23 13:45:10,301 INFO L349 BasicCegarLoop]: Found error trace [2018-07-23 13:45:10,301 INFO L357 BasicCegarLoop]: trace histogram [245, 1, 1, 1] [2018-07-23 13:45:10,301 INFO L414 AbstractCegarLoop]: === Iteration 246 === [ULTIMATE.startErr0AssertViolationASSERT]=== [2018-07-23 13:45:10,301 INFO L82 PathProgramCache]: Analyzing trace with hash -1961519000, now seen corresponding path program 245 times [2018-07-23 13:45:10,301 INFO L69 tionRefinementEngine]: Using refinement strategy FixedRefinementStrategy [2018-07-23 13:45:10,321 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-07-23 13:45:11,683 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 13:45:11,684 INFO L309 seRefinementStrategy]: Constructing automaton from 0 perfect and 1 imperfect interpolant sequences. [2018-07-23 13:45:11,684 INFO L324 seRefinementStrategy]: Number of different interpolants: perfect sequences [] imperfect sequences [247] total 247 [2018-07-23 13:45:11,684 INFO L142 lantAutomatonBuilder]: Constructing canonical interpolant automaton, with selfloop in false state [2018-07-23 13:45:11,684 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2018-07-23 13:45:11,685 INFO L185 omatonBuilderFactory]: Interpolants [156162#(<= ULTIMATE.start_main_~x~4 180), 156163#(<= ULTIMATE.start_main_~x~4 182), 156160#(<= ULTIMATE.start_main_~x~4 176), 156161#(<= ULTIMATE.start_main_~x~4 178), 156166#(<= ULTIMATE.start_main_~x~4 188), 156167#(<= ULTIMATE.start_main_~x~4 190), 156164#(<= ULTIMATE.start_main_~x~4 184), 156165#(<= ULTIMATE.start_main_~x~4 186), 156170#(<= ULTIMATE.start_main_~x~4 196), 156171#(<= ULTIMATE.start_main_~x~4 198), 156168#(<= ULTIMATE.start_main_~x~4 192), 156169#(<= ULTIMATE.start_main_~x~4 194), 156174#(<= ULTIMATE.start_main_~x~4 204), 156175#(<= ULTIMATE.start_main_~x~4 206), 156172#(<= ULTIMATE.start_main_~x~4 200), 156173#(<= ULTIMATE.start_main_~x~4 202), 156178#(<= ULTIMATE.start_main_~x~4 212), 156179#(<= ULTIMATE.start_main_~x~4 214), 156176#(<= ULTIMATE.start_main_~x~4 208), 156177#(<= ULTIMATE.start_main_~x~4 210), 156182#(<= ULTIMATE.start_main_~x~4 220), 156183#(<= ULTIMATE.start_main_~x~4 222), 156180#(<= ULTIMATE.start_main_~x~4 216), 156181#(<= ULTIMATE.start_main_~x~4 218), 156186#(<= ULTIMATE.start_main_~x~4 228), 156187#(<= ULTIMATE.start_main_~x~4 230), 156184#(<= ULTIMATE.start_main_~x~4 224), 156185#(<= ULTIMATE.start_main_~x~4 226), 156190#(<= ULTIMATE.start_main_~x~4 236), 156191#(<= ULTIMATE.start_main_~x~4 238), 156188#(<= ULTIMATE.start_main_~x~4 232), 156189#(<= ULTIMATE.start_main_~x~4 234), 156194#(<= ULTIMATE.start_main_~x~4 244), 156195#(<= ULTIMATE.start_main_~x~4 246), 156192#(<= ULTIMATE.start_main_~x~4 240), 156193#(<= ULTIMATE.start_main_~x~4 242), 156198#(<= ULTIMATE.start_main_~x~4 252), 156199#(<= ULTIMATE.start_main_~x~4 254), 156196#(<= ULTIMATE.start_main_~x~4 248), 156197#(<= ULTIMATE.start_main_~x~4 250), 156202#(<= ULTIMATE.start_main_~x~4 260), 156203#(<= ULTIMATE.start_main_~x~4 262), 156200#(<= ULTIMATE.start_main_~x~4 256), 156201#(<= ULTIMATE.start_main_~x~4 258), 156206#(<= ULTIMATE.start_main_~x~4 268), 156207#(<= ULTIMATE.start_main_~x~4 270), 156204#(<= ULTIMATE.start_main_~x~4 264), 156205#(<= ULTIMATE.start_main_~x~4 266), 156210#(<= ULTIMATE.start_main_~x~4 276), 156211#(<= ULTIMATE.start_main_~x~4 278), 156208#(<= ULTIMATE.start_main_~x~4 272), 156209#(<= ULTIMATE.start_main_~x~4 274), 156214#(<= ULTIMATE.start_main_~x~4 284), 156215#(<= ULTIMATE.start_main_~x~4 286), 156212#(<= ULTIMATE.start_main_~x~4 280), 156213#(<= ULTIMATE.start_main_~x~4 282), 156218#(<= ULTIMATE.start_main_~x~4 292), 156219#(<= ULTIMATE.start_main_~x~4 294), 156216#(<= ULTIMATE.start_main_~x~4 288), 156217#(<= ULTIMATE.start_main_~x~4 290), 156222#(<= ULTIMATE.start_main_~x~4 300), 156223#(<= ULTIMATE.start_main_~x~4 302), 156220#(<= ULTIMATE.start_main_~x~4 296), 156221#(<= ULTIMATE.start_main_~x~4 298), 156226#(<= ULTIMATE.start_main_~x~4 308), 156227#(<= ULTIMATE.start_main_~x~4 310), 156224#(<= ULTIMATE.start_main_~x~4 304), 156225#(<= ULTIMATE.start_main_~x~4 306), 156230#(<= ULTIMATE.start_main_~x~4 316), 156231#(<= ULTIMATE.start_main_~x~4 318), 156228#(<= ULTIMATE.start_main_~x~4 312), 156229#(<= ULTIMATE.start_main_~x~4 314), 156234#(<= ULTIMATE.start_main_~x~4 324), 156235#(<= ULTIMATE.start_main_~x~4 326), 156232#(<= ULTIMATE.start_main_~x~4 320), 156233#(<= ULTIMATE.start_main_~x~4 322), 156238#(<= ULTIMATE.start_main_~x~4 332), 156239#(<= ULTIMATE.start_main_~x~4 334), 156236#(<= ULTIMATE.start_main_~x~4 328), 156237#(<= ULTIMATE.start_main_~x~4 330), 156242#(<= ULTIMATE.start_main_~x~4 340), 156243#(<= ULTIMATE.start_main_~x~4 342), 156240#(<= ULTIMATE.start_main_~x~4 336), 156241#(<= ULTIMATE.start_main_~x~4 338), 156246#(<= ULTIMATE.start_main_~x~4 348), 156247#(<= ULTIMATE.start_main_~x~4 350), 156244#(<= ULTIMATE.start_main_~x~4 344), 156245#(<= ULTIMATE.start_main_~x~4 346), 156250#(<= ULTIMATE.start_main_~x~4 356), 156251#(<= ULTIMATE.start_main_~x~4 358), 156248#(<= ULTIMATE.start_main_~x~4 352), 156249#(<= ULTIMATE.start_main_~x~4 354), 156254#(<= ULTIMATE.start_main_~x~4 364), 156255#(<= ULTIMATE.start_main_~x~4 366), 156252#(<= ULTIMATE.start_main_~x~4 360), 156253#(<= ULTIMATE.start_main_~x~4 362), 156258#(<= ULTIMATE.start_main_~x~4 372), 156259#(<= ULTIMATE.start_main_~x~4 374), 156256#(<= ULTIMATE.start_main_~x~4 368), 156257#(<= ULTIMATE.start_main_~x~4 370), 156262#(<= ULTIMATE.start_main_~x~4 380), 156263#(<= ULTIMATE.start_main_~x~4 382), 156260#(<= ULTIMATE.start_main_~x~4 376), 156261#(<= ULTIMATE.start_main_~x~4 378), 156266#(<= ULTIMATE.start_main_~x~4 388), 156267#(<= ULTIMATE.start_main_~x~4 390), 156264#(<= ULTIMATE.start_main_~x~4 384), 156265#(<= ULTIMATE.start_main_~x~4 386), 156270#(<= ULTIMATE.start_main_~x~4 396), 156271#(<= ULTIMATE.start_main_~x~4 398), 156268#(<= ULTIMATE.start_main_~x~4 392), 156269#(<= ULTIMATE.start_main_~x~4 394), 156274#(<= ULTIMATE.start_main_~x~4 404), 156275#(<= ULTIMATE.start_main_~x~4 406), 156272#(<= ULTIMATE.start_main_~x~4 400), 156273#(<= ULTIMATE.start_main_~x~4 402), 156278#(<= ULTIMATE.start_main_~x~4 412), 156279#(<= ULTIMATE.start_main_~x~4 414), 156276#(<= ULTIMATE.start_main_~x~4 408), 156277#(<= ULTIMATE.start_main_~x~4 410), 156282#(<= ULTIMATE.start_main_~x~4 420), 156283#(<= ULTIMATE.start_main_~x~4 422), 156280#(<= ULTIMATE.start_main_~x~4 416), 156281#(<= ULTIMATE.start_main_~x~4 418), 156286#(<= ULTIMATE.start_main_~x~4 428), 156287#(<= ULTIMATE.start_main_~x~4 430), 156284#(<= ULTIMATE.start_main_~x~4 424), 156285#(<= ULTIMATE.start_main_~x~4 426), 156290#(<= ULTIMATE.start_main_~x~4 436), 156291#(<= ULTIMATE.start_main_~x~4 438), 156288#(<= ULTIMATE.start_main_~x~4 432), 156289#(<= ULTIMATE.start_main_~x~4 434), 156294#(<= ULTIMATE.start_main_~x~4 444), 156295#(<= ULTIMATE.start_main_~x~4 446), 156292#(<= ULTIMATE.start_main_~x~4 440), 156293#(<= ULTIMATE.start_main_~x~4 442), 156298#(<= ULTIMATE.start_main_~x~4 452), 156299#(<= ULTIMATE.start_main_~x~4 454), 156296#(<= ULTIMATE.start_main_~x~4 448), 156297#(<= ULTIMATE.start_main_~x~4 450), 156302#(<= ULTIMATE.start_main_~x~4 460), 156303#(<= ULTIMATE.start_main_~x~4 462), 156300#(<= ULTIMATE.start_main_~x~4 456), 156301#(<= ULTIMATE.start_main_~x~4 458), 156306#(<= ULTIMATE.start_main_~x~4 468), 156307#(<= ULTIMATE.start_main_~x~4 470), 156304#(<= ULTIMATE.start_main_~x~4 464), 156305#(<= ULTIMATE.start_main_~x~4 466), 156310#(<= ULTIMATE.start_main_~x~4 476), 156311#(<= ULTIMATE.start_main_~x~4 478), 156308#(<= ULTIMATE.start_main_~x~4 472), 156309#(<= ULTIMATE.start_main_~x~4 474), 156314#(<= ULTIMATE.start_main_~x~4 484), 156315#(<= ULTIMATE.start_main_~x~4 486), 156312#(<= ULTIMATE.start_main_~x~4 480), 156313#(<= ULTIMATE.start_main_~x~4 482), 156318#(<= ULTIMATE.start_main_~x~4 492), 156319#(<= ULTIMATE.start_main_~x~4 494), 156316#(<= ULTIMATE.start_main_~x~4 488), 156317#(<= ULTIMATE.start_main_~x~4 490), 156322#(<= ULTIMATE.start_main_~x~4 500), 156320#(<= ULTIMATE.start_main_~x~4 496), 156321#(<= ULTIMATE.start_main_~x~4 498), 156075#true, 156078#(<= ULTIMATE.start_main_~x~4 12), 156079#(<= ULTIMATE.start_main_~x~4 14), 156076#false, 156077#(<= ULTIMATE.start_main_~x~4 10), 156082#(<= ULTIMATE.start_main_~x~4 20), 156083#(<= ULTIMATE.start_main_~x~4 22), 156080#(<= ULTIMATE.start_main_~x~4 16), 156081#(<= ULTIMATE.start_main_~x~4 18), 156086#(<= ULTIMATE.start_main_~x~4 28), 156087#(<= ULTIMATE.start_main_~x~4 30), 156084#(<= ULTIMATE.start_main_~x~4 24), 156085#(<= ULTIMATE.start_main_~x~4 26), 156090#(<= ULTIMATE.start_main_~x~4 36), 156091#(<= ULTIMATE.start_main_~x~4 38), 156088#(<= ULTIMATE.start_main_~x~4 32), 156089#(<= ULTIMATE.start_main_~x~4 34), 156094#(<= ULTIMATE.start_main_~x~4 44), 156095#(<= ULTIMATE.start_main_~x~4 46), 156092#(<= ULTIMATE.start_main_~x~4 40), 156093#(<= ULTIMATE.start_main_~x~4 42), 156098#(<= ULTIMATE.start_main_~x~4 52), 156099#(<= ULTIMATE.start_main_~x~4 54), 156096#(<= ULTIMATE.start_main_~x~4 48), 156097#(<= ULTIMATE.start_main_~x~4 50), 156102#(<= ULTIMATE.start_main_~x~4 60), 156103#(<= ULTIMATE.start_main_~x~4 62), 156100#(<= ULTIMATE.start_main_~x~4 56), 156101#(<= ULTIMATE.start_main_~x~4 58), 156106#(<= ULTIMATE.start_main_~x~4 68), 156107#(<= ULTIMATE.start_main_~x~4 70), 156104#(<= ULTIMATE.start_main_~x~4 64), 156105#(<= ULTIMATE.start_main_~x~4 66), 156110#(<= ULTIMATE.start_main_~x~4 76), 156111#(<= ULTIMATE.start_main_~x~4 78), 156108#(<= ULTIMATE.start_main_~x~4 72), 156109#(<= ULTIMATE.start_main_~x~4 74), 156114#(<= ULTIMATE.start_main_~x~4 84), 156115#(<= ULTIMATE.start_main_~x~4 86), 156112#(<= ULTIMATE.start_main_~x~4 80), 156113#(<= ULTIMATE.start_main_~x~4 82), 156118#(<= ULTIMATE.start_main_~x~4 92), 156119#(<= ULTIMATE.start_main_~x~4 94), 156116#(<= ULTIMATE.start_main_~x~4 88), 156117#(<= ULTIMATE.start_main_~x~4 90), 156122#(<= ULTIMATE.start_main_~x~4 100), 156123#(<= ULTIMATE.start_main_~x~4 102), 156120#(<= ULTIMATE.start_main_~x~4 96), 156121#(<= ULTIMATE.start_main_~x~4 98), 156126#(<= ULTIMATE.start_main_~x~4 108), 156127#(<= ULTIMATE.start_main_~x~4 110), 156124#(<= ULTIMATE.start_main_~x~4 104), 156125#(<= ULTIMATE.start_main_~x~4 106), 156130#(<= ULTIMATE.start_main_~x~4 116), 156131#(<= ULTIMATE.start_main_~x~4 118), 156128#(<= ULTIMATE.start_main_~x~4 112), 156129#(<= ULTIMATE.start_main_~x~4 114), 156134#(<= ULTIMATE.start_main_~x~4 124), 156135#(<= ULTIMATE.start_main_~x~4 126), 156132#(<= ULTIMATE.start_main_~x~4 120), 156133#(<= ULTIMATE.start_main_~x~4 122), 156138#(<= ULTIMATE.start_main_~x~4 132), 156139#(<= ULTIMATE.start_main_~x~4 134), 156136#(<= ULTIMATE.start_main_~x~4 128), 156137#(<= ULTIMATE.start_main_~x~4 130), 156142#(<= ULTIMATE.start_main_~x~4 140), 156143#(<= ULTIMATE.start_main_~x~4 142), 156140#(<= ULTIMATE.start_main_~x~4 136), 156141#(<= ULTIMATE.start_main_~x~4 138), 156146#(<= ULTIMATE.start_main_~x~4 148), 156147#(<= ULTIMATE.start_main_~x~4 150), 156144#(<= ULTIMATE.start_main_~x~4 144), 156145#(<= ULTIMATE.start_main_~x~4 146), 156150#(<= ULTIMATE.start_main_~x~4 156), 156151#(<= ULTIMATE.start_main_~x~4 158), 156148#(<= ULTIMATE.start_main_~x~4 152), 156149#(<= ULTIMATE.start_main_~x~4 154), 156154#(<= ULTIMATE.start_main_~x~4 164), 156155#(<= ULTIMATE.start_main_~x~4 166), 156152#(<= ULTIMATE.start_main_~x~4 160), 156153#(<= ULTIMATE.start_main_~x~4 162), 156158#(<= ULTIMATE.start_main_~x~4 172), 156159#(<= ULTIMATE.start_main_~x~4 174), 156156#(<= ULTIMATE.start_main_~x~4 168), 156157#(<= ULTIMATE.start_main_~x~4 170)] [2018-07-23 13:45:11,686 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 13:45:11,686 INFO L450 AbstractCegarLoop]: Interpolant automaton has 248 states [2018-07-23 13:45:11,691 INFO L132 InterpolantAutomaton]: Constructing interpolant automaton starting with 248 interpolants. [2018-07-23 13:45:11,694 INFO L133 InterpolantAutomaton]: CoverageRelationStatistics Valid=30628, Invalid=30628, Unknown=0, NotChecked=0, Total=61256 [2018-07-23 13:45:11,694 INFO L87 Difference]: Start difference. First operand 249 states and 249 transitions. Second operand 248 states. [2018-07-23 13:45:12,736 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2018-07-23 13:45:12,736 INFO L93 Difference]: Finished difference Result 252 states and 252 transitions. [2018-07-23 13:45:12,737 INFO L142 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 248 states. [2018-07-23 13:45:12,737 INFO L78 Accepts]: Start accepts. Automaton has 248 states. Word has length 248 [2018-07-23 13:45:12,737 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2018-07-23 13:45:12,737 INFO L225 Difference]: With dead ends: 252 [2018-07-23 13:45:12,737 INFO L226 Difference]: Without dead ends: 250 [2018-07-23 13:45:12,741 INFO L575 BasicCegarLoop]: 0 DeclaredPredicates, 247 GetRequests, 1 SyntacticMatches, 0 SemanticMatches, 246 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 0 ImplicationChecksByTransitivity, 1.2s TimeCoverageRelationStatistics Valid=30628, Invalid=30628, Unknown=0, NotChecked=0, Total=61256 [2018-07-23 13:45:12,742 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 250 states. [2018-07-23 13:45:12,744 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 250 to 250. [2018-07-23 13:45:12,744 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 250 states. [2018-07-23 13:45:12,744 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 250 states to 250 states and 250 transitions. [2018-07-23 13:45:12,744 INFO L78 Accepts]: Start accepts. Automaton has 250 states and 250 transitions. Word has length 248 [2018-07-23 13:45:12,744 INFO L84 Accepts]: Finished accepts. word is rejected. [2018-07-23 13:45:12,744 INFO L471 AbstractCegarLoop]: Abstraction has 250 states and 250 transitions. [2018-07-23 13:45:12,744 INFO L472 AbstractCegarLoop]: Interpolant automaton has 248 states. [2018-07-23 13:45:12,745 INFO L276 IsEmpty]: Start isEmpty. Operand 250 states and 250 transitions. [2018-07-23 13:45:12,745 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 250 [2018-07-23 13:45:12,745 INFO L349 BasicCegarLoop]: Found error trace [2018-07-23 13:45:12,745 INFO L357 BasicCegarLoop]: trace histogram [246, 1, 1, 1] [2018-07-23 13:45:12,745 INFO L414 AbstractCegarLoop]: === Iteration 247 === [ULTIMATE.startErr0AssertViolationASSERT]=== [2018-07-23 13:45:12,745 INFO L82 PathProgramCache]: Analyzing trace with hash -677548831, now seen corresponding path program 246 times [2018-07-23 13:45:12,746 INFO L69 tionRefinementEngine]: Using refinement strategy FixedRefinementStrategy [2018-07-23 13:45:12,766 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-07-23 13:45:14,190 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 13:45:14,190 INFO L309 seRefinementStrategy]: Constructing automaton from 0 perfect and 1 imperfect interpolant sequences. [2018-07-23 13:45:14,190 INFO L324 seRefinementStrategy]: Number of different interpolants: perfect sequences [] imperfect sequences [248] total 248 [2018-07-23 13:45:14,191 INFO L142 lantAutomatonBuilder]: Constructing canonical interpolant automaton, with selfloop in false state [2018-07-23 13:45:14,191 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2018-07-23 13:45:14,191 INFO L185 omatonBuilderFactory]: Interpolants [157327#true, 157330#(<= ULTIMATE.start_main_~x~4 12), 157331#(<= ULTIMATE.start_main_~x~4 14), 157328#false, 157329#(<= ULTIMATE.start_main_~x~4 10), 157334#(<= ULTIMATE.start_main_~x~4 20), 157335#(<= ULTIMATE.start_main_~x~4 22), 157332#(<= ULTIMATE.start_main_~x~4 16), 157333#(<= ULTIMATE.start_main_~x~4 18), 157338#(<= ULTIMATE.start_main_~x~4 28), 157339#(<= ULTIMATE.start_main_~x~4 30), 157336#(<= ULTIMATE.start_main_~x~4 24), 157337#(<= ULTIMATE.start_main_~x~4 26), 157342#(<= ULTIMATE.start_main_~x~4 36), 157343#(<= ULTIMATE.start_main_~x~4 38), 157340#(<= ULTIMATE.start_main_~x~4 32), 157341#(<= ULTIMATE.start_main_~x~4 34), 157346#(<= ULTIMATE.start_main_~x~4 44), 157347#(<= ULTIMATE.start_main_~x~4 46), 157344#(<= ULTIMATE.start_main_~x~4 40), 157345#(<= ULTIMATE.start_main_~x~4 42), 157350#(<= ULTIMATE.start_main_~x~4 52), 157351#(<= ULTIMATE.start_main_~x~4 54), 157348#(<= ULTIMATE.start_main_~x~4 48), 157349#(<= ULTIMATE.start_main_~x~4 50), 157354#(<= ULTIMATE.start_main_~x~4 60), 157355#(<= ULTIMATE.start_main_~x~4 62), 157352#(<= ULTIMATE.start_main_~x~4 56), 157353#(<= ULTIMATE.start_main_~x~4 58), 157358#(<= ULTIMATE.start_main_~x~4 68), 157359#(<= ULTIMATE.start_main_~x~4 70), 157356#(<= ULTIMATE.start_main_~x~4 64), 157357#(<= ULTIMATE.start_main_~x~4 66), 157362#(<= ULTIMATE.start_main_~x~4 76), 157363#(<= ULTIMATE.start_main_~x~4 78), 157360#(<= ULTIMATE.start_main_~x~4 72), 157361#(<= ULTIMATE.start_main_~x~4 74), 157366#(<= ULTIMATE.start_main_~x~4 84), 157367#(<= ULTIMATE.start_main_~x~4 86), 157364#(<= ULTIMATE.start_main_~x~4 80), 157365#(<= ULTIMATE.start_main_~x~4 82), 157370#(<= ULTIMATE.start_main_~x~4 92), 157371#(<= ULTIMATE.start_main_~x~4 94), 157368#(<= ULTIMATE.start_main_~x~4 88), 157369#(<= ULTIMATE.start_main_~x~4 90), 157374#(<= ULTIMATE.start_main_~x~4 100), 157375#(<= ULTIMATE.start_main_~x~4 102), 157372#(<= ULTIMATE.start_main_~x~4 96), 157373#(<= ULTIMATE.start_main_~x~4 98), 157378#(<= ULTIMATE.start_main_~x~4 108), 157379#(<= ULTIMATE.start_main_~x~4 110), 157376#(<= ULTIMATE.start_main_~x~4 104), 157377#(<= ULTIMATE.start_main_~x~4 106), 157382#(<= ULTIMATE.start_main_~x~4 116), 157383#(<= ULTIMATE.start_main_~x~4 118), 157380#(<= ULTIMATE.start_main_~x~4 112), 157381#(<= ULTIMATE.start_main_~x~4 114), 157386#(<= ULTIMATE.start_main_~x~4 124), 157387#(<= ULTIMATE.start_main_~x~4 126), 157384#(<= ULTIMATE.start_main_~x~4 120), 157385#(<= ULTIMATE.start_main_~x~4 122), 157390#(<= ULTIMATE.start_main_~x~4 132), 157391#(<= ULTIMATE.start_main_~x~4 134), 157388#(<= ULTIMATE.start_main_~x~4 128), 157389#(<= ULTIMATE.start_main_~x~4 130), 157394#(<= ULTIMATE.start_main_~x~4 140), 157395#(<= ULTIMATE.start_main_~x~4 142), 157392#(<= ULTIMATE.start_main_~x~4 136), 157393#(<= ULTIMATE.start_main_~x~4 138), 157398#(<= ULTIMATE.start_main_~x~4 148), 157399#(<= ULTIMATE.start_main_~x~4 150), 157396#(<= ULTIMATE.start_main_~x~4 144), 157397#(<= ULTIMATE.start_main_~x~4 146), 157402#(<= ULTIMATE.start_main_~x~4 156), 157403#(<= ULTIMATE.start_main_~x~4 158), 157400#(<= ULTIMATE.start_main_~x~4 152), 157401#(<= ULTIMATE.start_main_~x~4 154), 157406#(<= ULTIMATE.start_main_~x~4 164), 157407#(<= ULTIMATE.start_main_~x~4 166), 157404#(<= ULTIMATE.start_main_~x~4 160), 157405#(<= ULTIMATE.start_main_~x~4 162), 157410#(<= ULTIMATE.start_main_~x~4 172), 157411#(<= ULTIMATE.start_main_~x~4 174), 157408#(<= ULTIMATE.start_main_~x~4 168), 157409#(<= ULTIMATE.start_main_~x~4 170), 157414#(<= ULTIMATE.start_main_~x~4 180), 157415#(<= ULTIMATE.start_main_~x~4 182), 157412#(<= ULTIMATE.start_main_~x~4 176), 157413#(<= ULTIMATE.start_main_~x~4 178), 157418#(<= ULTIMATE.start_main_~x~4 188), 157419#(<= ULTIMATE.start_main_~x~4 190), 157416#(<= ULTIMATE.start_main_~x~4 184), 157417#(<= ULTIMATE.start_main_~x~4 186), 157422#(<= ULTIMATE.start_main_~x~4 196), 157423#(<= ULTIMATE.start_main_~x~4 198), 157420#(<= ULTIMATE.start_main_~x~4 192), 157421#(<= ULTIMATE.start_main_~x~4 194), 157426#(<= ULTIMATE.start_main_~x~4 204), 157427#(<= ULTIMATE.start_main_~x~4 206), 157424#(<= ULTIMATE.start_main_~x~4 200), 157425#(<= ULTIMATE.start_main_~x~4 202), 157430#(<= ULTIMATE.start_main_~x~4 212), 157431#(<= ULTIMATE.start_main_~x~4 214), 157428#(<= ULTIMATE.start_main_~x~4 208), 157429#(<= ULTIMATE.start_main_~x~4 210), 157434#(<= ULTIMATE.start_main_~x~4 220), 157435#(<= ULTIMATE.start_main_~x~4 222), 157432#(<= ULTIMATE.start_main_~x~4 216), 157433#(<= ULTIMATE.start_main_~x~4 218), 157438#(<= ULTIMATE.start_main_~x~4 228), 157439#(<= ULTIMATE.start_main_~x~4 230), 157436#(<= ULTIMATE.start_main_~x~4 224), 157437#(<= ULTIMATE.start_main_~x~4 226), 157442#(<= ULTIMATE.start_main_~x~4 236), 157443#(<= ULTIMATE.start_main_~x~4 238), 157440#(<= ULTIMATE.start_main_~x~4 232), 157441#(<= ULTIMATE.start_main_~x~4 234), 157446#(<= ULTIMATE.start_main_~x~4 244), 157447#(<= ULTIMATE.start_main_~x~4 246), 157444#(<= ULTIMATE.start_main_~x~4 240), 157445#(<= ULTIMATE.start_main_~x~4 242), 157450#(<= ULTIMATE.start_main_~x~4 252), 157451#(<= ULTIMATE.start_main_~x~4 254), 157448#(<= ULTIMATE.start_main_~x~4 248), 157449#(<= ULTIMATE.start_main_~x~4 250), 157454#(<= ULTIMATE.start_main_~x~4 260), 157455#(<= ULTIMATE.start_main_~x~4 262), 157452#(<= ULTIMATE.start_main_~x~4 256), 157453#(<= ULTIMATE.start_main_~x~4 258), 157458#(<= ULTIMATE.start_main_~x~4 268), 157459#(<= ULTIMATE.start_main_~x~4 270), 157456#(<= ULTIMATE.start_main_~x~4 264), 157457#(<= ULTIMATE.start_main_~x~4 266), 157462#(<= ULTIMATE.start_main_~x~4 276), 157463#(<= ULTIMATE.start_main_~x~4 278), 157460#(<= ULTIMATE.start_main_~x~4 272), 157461#(<= ULTIMATE.start_main_~x~4 274), 157466#(<= ULTIMATE.start_main_~x~4 284), 157467#(<= ULTIMATE.start_main_~x~4 286), 157464#(<= ULTIMATE.start_main_~x~4 280), 157465#(<= ULTIMATE.start_main_~x~4 282), 157470#(<= ULTIMATE.start_main_~x~4 292), 157471#(<= ULTIMATE.start_main_~x~4 294), 157468#(<= ULTIMATE.start_main_~x~4 288), 157469#(<= ULTIMATE.start_main_~x~4 290), 157474#(<= ULTIMATE.start_main_~x~4 300), 157475#(<= ULTIMATE.start_main_~x~4 302), 157472#(<= ULTIMATE.start_main_~x~4 296), 157473#(<= ULTIMATE.start_main_~x~4 298), 157478#(<= ULTIMATE.start_main_~x~4 308), 157479#(<= ULTIMATE.start_main_~x~4 310), 157476#(<= ULTIMATE.start_main_~x~4 304), 157477#(<= ULTIMATE.start_main_~x~4 306), 157482#(<= ULTIMATE.start_main_~x~4 316), 157483#(<= ULTIMATE.start_main_~x~4 318), 157480#(<= ULTIMATE.start_main_~x~4 312), 157481#(<= ULTIMATE.start_main_~x~4 314), 157486#(<= ULTIMATE.start_main_~x~4 324), 157487#(<= ULTIMATE.start_main_~x~4 326), 157484#(<= ULTIMATE.start_main_~x~4 320), 157485#(<= ULTIMATE.start_main_~x~4 322), 157490#(<= ULTIMATE.start_main_~x~4 332), 157491#(<= ULTIMATE.start_main_~x~4 334), 157488#(<= ULTIMATE.start_main_~x~4 328), 157489#(<= ULTIMATE.start_main_~x~4 330), 157494#(<= ULTIMATE.start_main_~x~4 340), 157495#(<= ULTIMATE.start_main_~x~4 342), 157492#(<= ULTIMATE.start_main_~x~4 336), 157493#(<= ULTIMATE.start_main_~x~4 338), 157498#(<= ULTIMATE.start_main_~x~4 348), 157499#(<= ULTIMATE.start_main_~x~4 350), 157496#(<= ULTIMATE.start_main_~x~4 344), 157497#(<= ULTIMATE.start_main_~x~4 346), 157502#(<= ULTIMATE.start_main_~x~4 356), 157503#(<= ULTIMATE.start_main_~x~4 358), 157500#(<= ULTIMATE.start_main_~x~4 352), 157501#(<= ULTIMATE.start_main_~x~4 354), 157506#(<= ULTIMATE.start_main_~x~4 364), 157507#(<= ULTIMATE.start_main_~x~4 366), 157504#(<= ULTIMATE.start_main_~x~4 360), 157505#(<= ULTIMATE.start_main_~x~4 362), 157510#(<= ULTIMATE.start_main_~x~4 372), 157511#(<= ULTIMATE.start_main_~x~4 374), 157508#(<= ULTIMATE.start_main_~x~4 368), 157509#(<= ULTIMATE.start_main_~x~4 370), 157514#(<= ULTIMATE.start_main_~x~4 380), 157515#(<= ULTIMATE.start_main_~x~4 382), 157512#(<= ULTIMATE.start_main_~x~4 376), 157513#(<= ULTIMATE.start_main_~x~4 378), 157518#(<= ULTIMATE.start_main_~x~4 388), 157519#(<= ULTIMATE.start_main_~x~4 390), 157516#(<= ULTIMATE.start_main_~x~4 384), 157517#(<= ULTIMATE.start_main_~x~4 386), 157522#(<= ULTIMATE.start_main_~x~4 396), 157523#(<= ULTIMATE.start_main_~x~4 398), 157520#(<= ULTIMATE.start_main_~x~4 392), 157521#(<= ULTIMATE.start_main_~x~4 394), 157526#(<= ULTIMATE.start_main_~x~4 404), 157527#(<= ULTIMATE.start_main_~x~4 406), 157524#(<= ULTIMATE.start_main_~x~4 400), 157525#(<= ULTIMATE.start_main_~x~4 402), 157530#(<= ULTIMATE.start_main_~x~4 412), 157531#(<= ULTIMATE.start_main_~x~4 414), 157528#(<= ULTIMATE.start_main_~x~4 408), 157529#(<= ULTIMATE.start_main_~x~4 410), 157534#(<= ULTIMATE.start_main_~x~4 420), 157535#(<= ULTIMATE.start_main_~x~4 422), 157532#(<= ULTIMATE.start_main_~x~4 416), 157533#(<= ULTIMATE.start_main_~x~4 418), 157538#(<= ULTIMATE.start_main_~x~4 428), 157539#(<= ULTIMATE.start_main_~x~4 430), 157536#(<= ULTIMATE.start_main_~x~4 424), 157537#(<= ULTIMATE.start_main_~x~4 426), 157542#(<= ULTIMATE.start_main_~x~4 436), 157543#(<= ULTIMATE.start_main_~x~4 438), 157540#(<= ULTIMATE.start_main_~x~4 432), 157541#(<= ULTIMATE.start_main_~x~4 434), 157546#(<= ULTIMATE.start_main_~x~4 444), 157547#(<= ULTIMATE.start_main_~x~4 446), 157544#(<= ULTIMATE.start_main_~x~4 440), 157545#(<= ULTIMATE.start_main_~x~4 442), 157550#(<= ULTIMATE.start_main_~x~4 452), 157551#(<= ULTIMATE.start_main_~x~4 454), 157548#(<= ULTIMATE.start_main_~x~4 448), 157549#(<= ULTIMATE.start_main_~x~4 450), 157554#(<= ULTIMATE.start_main_~x~4 460), 157555#(<= ULTIMATE.start_main_~x~4 462), 157552#(<= ULTIMATE.start_main_~x~4 456), 157553#(<= ULTIMATE.start_main_~x~4 458), 157558#(<= ULTIMATE.start_main_~x~4 468), 157559#(<= ULTIMATE.start_main_~x~4 470), 157556#(<= ULTIMATE.start_main_~x~4 464), 157557#(<= ULTIMATE.start_main_~x~4 466), 157562#(<= ULTIMATE.start_main_~x~4 476), 157563#(<= ULTIMATE.start_main_~x~4 478), 157560#(<= ULTIMATE.start_main_~x~4 472), 157561#(<= ULTIMATE.start_main_~x~4 474), 157566#(<= ULTIMATE.start_main_~x~4 484), 157567#(<= ULTIMATE.start_main_~x~4 486), 157564#(<= ULTIMATE.start_main_~x~4 480), 157565#(<= ULTIMATE.start_main_~x~4 482), 157570#(<= ULTIMATE.start_main_~x~4 492), 157571#(<= ULTIMATE.start_main_~x~4 494), 157568#(<= ULTIMATE.start_main_~x~4 488), 157569#(<= ULTIMATE.start_main_~x~4 490), 157574#(<= ULTIMATE.start_main_~x~4 500), 157575#(<= ULTIMATE.start_main_~x~4 502), 157572#(<= ULTIMATE.start_main_~x~4 496), 157573#(<= ULTIMATE.start_main_~x~4 498)] [2018-07-23 13:45:14,193 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 13:45:14,193 INFO L450 AbstractCegarLoop]: Interpolant automaton has 249 states [2018-07-23 13:45:14,196 INFO L132 InterpolantAutomaton]: Constructing interpolant automaton starting with 249 interpolants. [2018-07-23 13:45:14,199 INFO L133 InterpolantAutomaton]: CoverageRelationStatistics Valid=30876, Invalid=30876, Unknown=0, NotChecked=0, Total=61752 [2018-07-23 13:45:14,199 INFO L87 Difference]: Start difference. First operand 250 states and 250 transitions. Second operand 249 states. [2018-07-23 13:45:15,793 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2018-07-23 13:45:15,793 INFO L93 Difference]: Finished difference Result 253 states and 253 transitions. [2018-07-23 13:45:15,793 INFO L142 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 249 states. [2018-07-23 13:45:15,793 INFO L78 Accepts]: Start accepts. Automaton has 249 states. Word has length 249 [2018-07-23 13:45:15,793 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2018-07-23 13:45:15,794 INFO L225 Difference]: With dead ends: 253 [2018-07-23 13:45:15,794 INFO L226 Difference]: Without dead ends: 251 [2018-07-23 13:45:15,797 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 13:45:15,798 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 251 states. [2018-07-23 13:45:15,800 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 251 to 251. [2018-07-23 13:45:15,800 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 251 states. [2018-07-23 13:45:15,800 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 251 states to 251 states and 251 transitions. [2018-07-23 13:45:15,800 INFO L78 Accepts]: Start accepts. Automaton has 251 states and 251 transitions. Word has length 249 [2018-07-23 13:45:15,800 INFO L84 Accepts]: Finished accepts. word is rejected. [2018-07-23 13:45:15,800 INFO L471 AbstractCegarLoop]: Abstraction has 251 states and 251 transitions. [2018-07-23 13:45:15,800 INFO L472 AbstractCegarLoop]: Interpolant automaton has 249 states. [2018-07-23 13:45:15,801 INFO L276 IsEmpty]: Start isEmpty. Operand 251 states and 251 transitions. [2018-07-23 13:45:15,801 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 251 [2018-07-23 13:45:15,801 INFO L349 BasicCegarLoop]: Found error trace [2018-07-23 13:45:15,801 INFO L357 BasicCegarLoop]: trace histogram [247, 1, 1, 1] [2018-07-23 13:45:15,801 INFO L414 AbstractCegarLoop]: === Iteration 248 === [ULTIMATE.startErr0AssertViolationASSERT]=== [2018-07-23 13:45:15,802 INFO L82 PathProgramCache]: Analyzing trace with hash 470820744, now seen corresponding path program 247 times [2018-07-23 13:45:15,802 INFO L69 tionRefinementEngine]: Using refinement strategy FixedRefinementStrategy [2018-07-23 13:45:15,820 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-07-23 13:45:17,136 INFO L134 CoverageAnalysis]: Checked inductivity of 30628 backedges. 0 proven. 30628 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2018-07-23 13:45:17,136 INFO L309 seRefinementStrategy]: Constructing automaton from 0 perfect and 1 imperfect interpolant sequences. [2018-07-23 13:45:17,136 INFO L324 seRefinementStrategy]: Number of different interpolants: perfect sequences [] imperfect sequences [249] total 249 [2018-07-23 13:45:17,136 INFO L142 lantAutomatonBuilder]: Constructing canonical interpolant automaton, with selfloop in false state [2018-07-23 13:45:17,136 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2018-07-23 13:45:17,137 INFO L185 omatonBuilderFactory]: Interpolants [158722#(<= ULTIMATE.start_main_~x~4 282), 158723#(<= ULTIMATE.start_main_~x~4 284), 158720#(<= ULTIMATE.start_main_~x~4 278), 158721#(<= ULTIMATE.start_main_~x~4 280), 158726#(<= ULTIMATE.start_main_~x~4 290), 158727#(<= ULTIMATE.start_main_~x~4 292), 158724#(<= ULTIMATE.start_main_~x~4 286), 158725#(<= ULTIMATE.start_main_~x~4 288), 158730#(<= ULTIMATE.start_main_~x~4 298), 158731#(<= ULTIMATE.start_main_~x~4 300), 158728#(<= ULTIMATE.start_main_~x~4 294), 158729#(<= ULTIMATE.start_main_~x~4 296), 158734#(<= ULTIMATE.start_main_~x~4 306), 158735#(<= ULTIMATE.start_main_~x~4 308), 158732#(<= ULTIMATE.start_main_~x~4 302), 158733#(<= ULTIMATE.start_main_~x~4 304), 158738#(<= ULTIMATE.start_main_~x~4 314), 158739#(<= ULTIMATE.start_main_~x~4 316), 158736#(<= ULTIMATE.start_main_~x~4 310), 158737#(<= ULTIMATE.start_main_~x~4 312), 158742#(<= ULTIMATE.start_main_~x~4 322), 158743#(<= ULTIMATE.start_main_~x~4 324), 158740#(<= ULTIMATE.start_main_~x~4 318), 158741#(<= ULTIMATE.start_main_~x~4 320), 158746#(<= ULTIMATE.start_main_~x~4 330), 158747#(<= ULTIMATE.start_main_~x~4 332), 158744#(<= ULTIMATE.start_main_~x~4 326), 158745#(<= ULTIMATE.start_main_~x~4 328), 158750#(<= ULTIMATE.start_main_~x~4 338), 158751#(<= ULTIMATE.start_main_~x~4 340), 158748#(<= ULTIMATE.start_main_~x~4 334), 158749#(<= ULTIMATE.start_main_~x~4 336), 158754#(<= ULTIMATE.start_main_~x~4 346), 158755#(<= ULTIMATE.start_main_~x~4 348), 158752#(<= ULTIMATE.start_main_~x~4 342), 158753#(<= ULTIMATE.start_main_~x~4 344), 158758#(<= ULTIMATE.start_main_~x~4 354), 158759#(<= ULTIMATE.start_main_~x~4 356), 158756#(<= ULTIMATE.start_main_~x~4 350), 158757#(<= ULTIMATE.start_main_~x~4 352), 158762#(<= ULTIMATE.start_main_~x~4 362), 158763#(<= ULTIMATE.start_main_~x~4 364), 158760#(<= ULTIMATE.start_main_~x~4 358), 158761#(<= ULTIMATE.start_main_~x~4 360), 158766#(<= ULTIMATE.start_main_~x~4 370), 158767#(<= ULTIMATE.start_main_~x~4 372), 158764#(<= ULTIMATE.start_main_~x~4 366), 158765#(<= ULTIMATE.start_main_~x~4 368), 158770#(<= ULTIMATE.start_main_~x~4 378), 158771#(<= ULTIMATE.start_main_~x~4 380), 158768#(<= ULTIMATE.start_main_~x~4 374), 158769#(<= ULTIMATE.start_main_~x~4 376), 158774#(<= ULTIMATE.start_main_~x~4 386), 158775#(<= ULTIMATE.start_main_~x~4 388), 158772#(<= ULTIMATE.start_main_~x~4 382), 158773#(<= ULTIMATE.start_main_~x~4 384), 158778#(<= ULTIMATE.start_main_~x~4 394), 158779#(<= ULTIMATE.start_main_~x~4 396), 158776#(<= ULTIMATE.start_main_~x~4 390), 158777#(<= ULTIMATE.start_main_~x~4 392), 158782#(<= ULTIMATE.start_main_~x~4 402), 158783#(<= ULTIMATE.start_main_~x~4 404), 158780#(<= ULTIMATE.start_main_~x~4 398), 158781#(<= ULTIMATE.start_main_~x~4 400), 158786#(<= ULTIMATE.start_main_~x~4 410), 158787#(<= ULTIMATE.start_main_~x~4 412), 158784#(<= ULTIMATE.start_main_~x~4 406), 158785#(<= ULTIMATE.start_main_~x~4 408), 158790#(<= ULTIMATE.start_main_~x~4 418), 158791#(<= ULTIMATE.start_main_~x~4 420), 158788#(<= ULTIMATE.start_main_~x~4 414), 158789#(<= ULTIMATE.start_main_~x~4 416), 158794#(<= ULTIMATE.start_main_~x~4 426), 158795#(<= ULTIMATE.start_main_~x~4 428), 158792#(<= ULTIMATE.start_main_~x~4 422), 158793#(<= ULTIMATE.start_main_~x~4 424), 158798#(<= ULTIMATE.start_main_~x~4 434), 158799#(<= ULTIMATE.start_main_~x~4 436), 158796#(<= ULTIMATE.start_main_~x~4 430), 158797#(<= ULTIMATE.start_main_~x~4 432), 158802#(<= ULTIMATE.start_main_~x~4 442), 158803#(<= ULTIMATE.start_main_~x~4 444), 158800#(<= ULTIMATE.start_main_~x~4 438), 158801#(<= ULTIMATE.start_main_~x~4 440), 158806#(<= ULTIMATE.start_main_~x~4 450), 158807#(<= ULTIMATE.start_main_~x~4 452), 158804#(<= ULTIMATE.start_main_~x~4 446), 158805#(<= ULTIMATE.start_main_~x~4 448), 158810#(<= ULTIMATE.start_main_~x~4 458), 158811#(<= ULTIMATE.start_main_~x~4 460), 158808#(<= ULTIMATE.start_main_~x~4 454), 158809#(<= ULTIMATE.start_main_~x~4 456), 158814#(<= ULTIMATE.start_main_~x~4 466), 158815#(<= ULTIMATE.start_main_~x~4 468), 158812#(<= ULTIMATE.start_main_~x~4 462), 158813#(<= ULTIMATE.start_main_~x~4 464), 158818#(<= ULTIMATE.start_main_~x~4 474), 158819#(<= ULTIMATE.start_main_~x~4 476), 158816#(<= ULTIMATE.start_main_~x~4 470), 158817#(<= ULTIMATE.start_main_~x~4 472), 158822#(<= ULTIMATE.start_main_~x~4 482), 158823#(<= ULTIMATE.start_main_~x~4 484), 158820#(<= ULTIMATE.start_main_~x~4 478), 158821#(<= ULTIMATE.start_main_~x~4 480), 158826#(<= ULTIMATE.start_main_~x~4 490), 158827#(<= ULTIMATE.start_main_~x~4 492), 158824#(<= ULTIMATE.start_main_~x~4 486), 158825#(<= ULTIMATE.start_main_~x~4 488), 158830#(<= ULTIMATE.start_main_~x~4 498), 158831#(<= ULTIMATE.start_main_~x~4 500), 158828#(<= ULTIMATE.start_main_~x~4 494), 158829#(<= ULTIMATE.start_main_~x~4 496), 158832#(<= ULTIMATE.start_main_~x~4 502), 158833#(<= ULTIMATE.start_main_~x~4 504), 158586#(<= ULTIMATE.start_main_~x~4 10), 158587#(<= ULTIMATE.start_main_~x~4 12), 158584#true, 158585#false, 158590#(<= ULTIMATE.start_main_~x~4 18), 158591#(<= ULTIMATE.start_main_~x~4 20), 158588#(<= ULTIMATE.start_main_~x~4 14), 158589#(<= ULTIMATE.start_main_~x~4 16), 158594#(<= ULTIMATE.start_main_~x~4 26), 158595#(<= ULTIMATE.start_main_~x~4 28), 158592#(<= ULTIMATE.start_main_~x~4 22), 158593#(<= ULTIMATE.start_main_~x~4 24), 158598#(<= ULTIMATE.start_main_~x~4 34), 158599#(<= ULTIMATE.start_main_~x~4 36), 158596#(<= ULTIMATE.start_main_~x~4 30), 158597#(<= ULTIMATE.start_main_~x~4 32), 158602#(<= ULTIMATE.start_main_~x~4 42), 158603#(<= ULTIMATE.start_main_~x~4 44), 158600#(<= ULTIMATE.start_main_~x~4 38), 158601#(<= ULTIMATE.start_main_~x~4 40), 158606#(<= ULTIMATE.start_main_~x~4 50), 158607#(<= ULTIMATE.start_main_~x~4 52), 158604#(<= ULTIMATE.start_main_~x~4 46), 158605#(<= ULTIMATE.start_main_~x~4 48), 158610#(<= ULTIMATE.start_main_~x~4 58), 158611#(<= ULTIMATE.start_main_~x~4 60), 158608#(<= ULTIMATE.start_main_~x~4 54), 158609#(<= ULTIMATE.start_main_~x~4 56), 158614#(<= ULTIMATE.start_main_~x~4 66), 158615#(<= ULTIMATE.start_main_~x~4 68), 158612#(<= ULTIMATE.start_main_~x~4 62), 158613#(<= ULTIMATE.start_main_~x~4 64), 158618#(<= ULTIMATE.start_main_~x~4 74), 158619#(<= ULTIMATE.start_main_~x~4 76), 158616#(<= ULTIMATE.start_main_~x~4 70), 158617#(<= ULTIMATE.start_main_~x~4 72), 158622#(<= ULTIMATE.start_main_~x~4 82), 158623#(<= ULTIMATE.start_main_~x~4 84), 158620#(<= ULTIMATE.start_main_~x~4 78), 158621#(<= ULTIMATE.start_main_~x~4 80), 158626#(<= ULTIMATE.start_main_~x~4 90), 158627#(<= ULTIMATE.start_main_~x~4 92), 158624#(<= ULTIMATE.start_main_~x~4 86), 158625#(<= ULTIMATE.start_main_~x~4 88), 158630#(<= ULTIMATE.start_main_~x~4 98), 158631#(<= ULTIMATE.start_main_~x~4 100), 158628#(<= ULTIMATE.start_main_~x~4 94), 158629#(<= ULTIMATE.start_main_~x~4 96), 158634#(<= ULTIMATE.start_main_~x~4 106), 158635#(<= ULTIMATE.start_main_~x~4 108), 158632#(<= ULTIMATE.start_main_~x~4 102), 158633#(<= ULTIMATE.start_main_~x~4 104), 158638#(<= ULTIMATE.start_main_~x~4 114), 158639#(<= ULTIMATE.start_main_~x~4 116), 158636#(<= ULTIMATE.start_main_~x~4 110), 158637#(<= ULTIMATE.start_main_~x~4 112), 158642#(<= ULTIMATE.start_main_~x~4 122), 158643#(<= ULTIMATE.start_main_~x~4 124), 158640#(<= ULTIMATE.start_main_~x~4 118), 158641#(<= ULTIMATE.start_main_~x~4 120), 158646#(<= ULTIMATE.start_main_~x~4 130), 158647#(<= ULTIMATE.start_main_~x~4 132), 158644#(<= ULTIMATE.start_main_~x~4 126), 158645#(<= ULTIMATE.start_main_~x~4 128), 158650#(<= ULTIMATE.start_main_~x~4 138), 158651#(<= ULTIMATE.start_main_~x~4 140), 158648#(<= ULTIMATE.start_main_~x~4 134), 158649#(<= ULTIMATE.start_main_~x~4 136), 158654#(<= ULTIMATE.start_main_~x~4 146), 158655#(<= ULTIMATE.start_main_~x~4 148), 158652#(<= ULTIMATE.start_main_~x~4 142), 158653#(<= ULTIMATE.start_main_~x~4 144), 158658#(<= ULTIMATE.start_main_~x~4 154), 158659#(<= ULTIMATE.start_main_~x~4 156), 158656#(<= ULTIMATE.start_main_~x~4 150), 158657#(<= ULTIMATE.start_main_~x~4 152), 158662#(<= ULTIMATE.start_main_~x~4 162), 158663#(<= ULTIMATE.start_main_~x~4 164), 158660#(<= ULTIMATE.start_main_~x~4 158), 158661#(<= ULTIMATE.start_main_~x~4 160), 158666#(<= ULTIMATE.start_main_~x~4 170), 158667#(<= ULTIMATE.start_main_~x~4 172), 158664#(<= ULTIMATE.start_main_~x~4 166), 158665#(<= ULTIMATE.start_main_~x~4 168), 158670#(<= ULTIMATE.start_main_~x~4 178), 158671#(<= ULTIMATE.start_main_~x~4 180), 158668#(<= ULTIMATE.start_main_~x~4 174), 158669#(<= ULTIMATE.start_main_~x~4 176), 158674#(<= ULTIMATE.start_main_~x~4 186), 158675#(<= ULTIMATE.start_main_~x~4 188), 158672#(<= ULTIMATE.start_main_~x~4 182), 158673#(<= ULTIMATE.start_main_~x~4 184), 158678#(<= ULTIMATE.start_main_~x~4 194), 158679#(<= ULTIMATE.start_main_~x~4 196), 158676#(<= ULTIMATE.start_main_~x~4 190), 158677#(<= ULTIMATE.start_main_~x~4 192), 158682#(<= ULTIMATE.start_main_~x~4 202), 158683#(<= ULTIMATE.start_main_~x~4 204), 158680#(<= ULTIMATE.start_main_~x~4 198), 158681#(<= ULTIMATE.start_main_~x~4 200), 158686#(<= ULTIMATE.start_main_~x~4 210), 158687#(<= ULTIMATE.start_main_~x~4 212), 158684#(<= ULTIMATE.start_main_~x~4 206), 158685#(<= ULTIMATE.start_main_~x~4 208), 158690#(<= ULTIMATE.start_main_~x~4 218), 158691#(<= ULTIMATE.start_main_~x~4 220), 158688#(<= ULTIMATE.start_main_~x~4 214), 158689#(<= ULTIMATE.start_main_~x~4 216), 158694#(<= ULTIMATE.start_main_~x~4 226), 158695#(<= ULTIMATE.start_main_~x~4 228), 158692#(<= ULTIMATE.start_main_~x~4 222), 158693#(<= ULTIMATE.start_main_~x~4 224), 158698#(<= ULTIMATE.start_main_~x~4 234), 158699#(<= ULTIMATE.start_main_~x~4 236), 158696#(<= ULTIMATE.start_main_~x~4 230), 158697#(<= ULTIMATE.start_main_~x~4 232), 158702#(<= ULTIMATE.start_main_~x~4 242), 158703#(<= ULTIMATE.start_main_~x~4 244), 158700#(<= ULTIMATE.start_main_~x~4 238), 158701#(<= ULTIMATE.start_main_~x~4 240), 158706#(<= ULTIMATE.start_main_~x~4 250), 158707#(<= ULTIMATE.start_main_~x~4 252), 158704#(<= ULTIMATE.start_main_~x~4 246), 158705#(<= ULTIMATE.start_main_~x~4 248), 158710#(<= ULTIMATE.start_main_~x~4 258), 158711#(<= ULTIMATE.start_main_~x~4 260), 158708#(<= ULTIMATE.start_main_~x~4 254), 158709#(<= ULTIMATE.start_main_~x~4 256), 158714#(<= ULTIMATE.start_main_~x~4 266), 158715#(<= ULTIMATE.start_main_~x~4 268), 158712#(<= ULTIMATE.start_main_~x~4 262), 158713#(<= ULTIMATE.start_main_~x~4 264), 158718#(<= ULTIMATE.start_main_~x~4 274), 158719#(<= ULTIMATE.start_main_~x~4 276), 158716#(<= ULTIMATE.start_main_~x~4 270), 158717#(<= ULTIMATE.start_main_~x~4 272)] [2018-07-23 13:45:17,139 INFO L134 CoverageAnalysis]: Checked inductivity of 30628 backedges. 0 proven. 30628 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2018-07-23 13:45:17,139 INFO L450 AbstractCegarLoop]: Interpolant automaton has 250 states [2018-07-23 13:45:17,145 INFO L132 InterpolantAutomaton]: Constructing interpolant automaton starting with 250 interpolants. [2018-07-23 13:45:17,149 INFO L133 InterpolantAutomaton]: CoverageRelationStatistics Valid=31125, Invalid=31125, Unknown=0, NotChecked=0, Total=62250 [2018-07-23 13:45:17,149 INFO L87 Difference]: Start difference. First operand 251 states and 251 transitions. Second operand 250 states. [2018-07-23 13:45:17,828 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2018-07-23 13:45:17,828 INFO L93 Difference]: Finished difference Result 254 states and 254 transitions. [2018-07-23 13:45:17,829 INFO L142 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 250 states. [2018-07-23 13:45:17,829 INFO L78 Accepts]: Start accepts. Automaton has 250 states. Word has length 250 [2018-07-23 13:45:17,829 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2018-07-23 13:45:17,829 INFO L225 Difference]: With dead ends: 254 [2018-07-23 13:45:17,829 INFO L226 Difference]: Without dead ends: 252 [2018-07-23 13:45:17,833 INFO L575 BasicCegarLoop]: 0 DeclaredPredicates, 249 GetRequests, 1 SyntacticMatches, 0 SemanticMatches, 248 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 0 ImplicationChecksByTransitivity, 1.2s TimeCoverageRelationStatistics Valid=31125, Invalid=31125, Unknown=0, NotChecked=0, Total=62250 [2018-07-23 13:45:17,833 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 252 states. [2018-07-23 13:45:17,835 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 252 to 252. [2018-07-23 13:45:17,836 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 252 states. [2018-07-23 13:45:17,836 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 252 states to 252 states and 252 transitions. [2018-07-23 13:45:17,836 INFO L78 Accepts]: Start accepts. Automaton has 252 states and 252 transitions. Word has length 250 [2018-07-23 13:45:17,836 INFO L84 Accepts]: Finished accepts. word is rejected. [2018-07-23 13:45:17,836 INFO L471 AbstractCegarLoop]: Abstraction has 252 states and 252 transitions. [2018-07-23 13:45:17,836 INFO L472 AbstractCegarLoop]: Interpolant automaton has 250 states. [2018-07-23 13:45:17,836 INFO L276 IsEmpty]: Start isEmpty. Operand 252 states and 252 transitions. [2018-07-23 13:45:17,837 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 252 [2018-07-23 13:45:17,837 INFO L349 BasicCegarLoop]: Found error trace [2018-07-23 13:45:17,837 INFO L357 BasicCegarLoop]: trace histogram [248, 1, 1, 1] [2018-07-23 13:45:17,837 INFO L414 AbstractCegarLoop]: === Iteration 249 === [ULTIMATE.startErr0AssertViolationASSERT]=== [2018-07-23 13:45:17,837 INFO L82 PathProgramCache]: Analyzing trace with hash 1710539201, now seen corresponding path program 248 times [2018-07-23 13:45:17,837 INFO L69 tionRefinementEngine]: Using refinement strategy FixedRefinementStrategy [2018-07-23 13:45:17,857 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-07-23 13:45:19,282 INFO L134 CoverageAnalysis]: Checked inductivity of 30876 backedges. 0 proven. 30876 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2018-07-23 13:45:19,283 INFO L309 seRefinementStrategy]: Constructing automaton from 0 perfect and 1 imperfect interpolant sequences. [2018-07-23 13:45:19,283 INFO L324 seRefinementStrategy]: Number of different interpolants: perfect sequences [] imperfect sequences [250] total 250 [2018-07-23 13:45:19,283 INFO L142 lantAutomatonBuilder]: Constructing canonical interpolant automaton, with selfloop in false state [2018-07-23 13:45:19,283 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2018-07-23 13:45:19,283 INFO L185 omatonBuilderFactory]: Interpolants [159846#true, 159847#false, 159850#(<= ULTIMATE.start_main_~x~4 14), 159851#(<= ULTIMATE.start_main_~x~4 16), 159848#(<= ULTIMATE.start_main_~x~4 10), 159849#(<= ULTIMATE.start_main_~x~4 12), 159854#(<= ULTIMATE.start_main_~x~4 22), 159855#(<= ULTIMATE.start_main_~x~4 24), 159852#(<= ULTIMATE.start_main_~x~4 18), 159853#(<= ULTIMATE.start_main_~x~4 20), 159858#(<= ULTIMATE.start_main_~x~4 30), 159859#(<= ULTIMATE.start_main_~x~4 32), 159856#(<= ULTIMATE.start_main_~x~4 26), 159857#(<= ULTIMATE.start_main_~x~4 28), 159862#(<= ULTIMATE.start_main_~x~4 38), 159863#(<= ULTIMATE.start_main_~x~4 40), 159860#(<= ULTIMATE.start_main_~x~4 34), 159861#(<= ULTIMATE.start_main_~x~4 36), 159866#(<= ULTIMATE.start_main_~x~4 46), 159867#(<= ULTIMATE.start_main_~x~4 48), 159864#(<= ULTIMATE.start_main_~x~4 42), 159865#(<= ULTIMATE.start_main_~x~4 44), 159870#(<= ULTIMATE.start_main_~x~4 54), 159871#(<= ULTIMATE.start_main_~x~4 56), 159868#(<= ULTIMATE.start_main_~x~4 50), 159869#(<= ULTIMATE.start_main_~x~4 52), 159874#(<= ULTIMATE.start_main_~x~4 62), 159875#(<= ULTIMATE.start_main_~x~4 64), 159872#(<= ULTIMATE.start_main_~x~4 58), 159873#(<= ULTIMATE.start_main_~x~4 60), 159878#(<= ULTIMATE.start_main_~x~4 70), 159879#(<= ULTIMATE.start_main_~x~4 72), 159876#(<= ULTIMATE.start_main_~x~4 66), 159877#(<= ULTIMATE.start_main_~x~4 68), 159882#(<= ULTIMATE.start_main_~x~4 78), 159883#(<= ULTIMATE.start_main_~x~4 80), 159880#(<= ULTIMATE.start_main_~x~4 74), 159881#(<= ULTIMATE.start_main_~x~4 76), 159886#(<= ULTIMATE.start_main_~x~4 86), 159887#(<= ULTIMATE.start_main_~x~4 88), 159884#(<= ULTIMATE.start_main_~x~4 82), 159885#(<= ULTIMATE.start_main_~x~4 84), 159890#(<= ULTIMATE.start_main_~x~4 94), 159891#(<= ULTIMATE.start_main_~x~4 96), 159888#(<= ULTIMATE.start_main_~x~4 90), 159889#(<= ULTIMATE.start_main_~x~4 92), 159894#(<= ULTIMATE.start_main_~x~4 102), 159895#(<= ULTIMATE.start_main_~x~4 104), 159892#(<= ULTIMATE.start_main_~x~4 98), 159893#(<= ULTIMATE.start_main_~x~4 100), 159898#(<= ULTIMATE.start_main_~x~4 110), 159899#(<= ULTIMATE.start_main_~x~4 112), 159896#(<= ULTIMATE.start_main_~x~4 106), 159897#(<= ULTIMATE.start_main_~x~4 108), 159902#(<= ULTIMATE.start_main_~x~4 118), 159903#(<= ULTIMATE.start_main_~x~4 120), 159900#(<= ULTIMATE.start_main_~x~4 114), 159901#(<= ULTIMATE.start_main_~x~4 116), 159906#(<= ULTIMATE.start_main_~x~4 126), 159907#(<= ULTIMATE.start_main_~x~4 128), 159904#(<= ULTIMATE.start_main_~x~4 122), 159905#(<= ULTIMATE.start_main_~x~4 124), 159910#(<= ULTIMATE.start_main_~x~4 134), 159911#(<= ULTIMATE.start_main_~x~4 136), 159908#(<= ULTIMATE.start_main_~x~4 130), 159909#(<= ULTIMATE.start_main_~x~4 132), 159914#(<= ULTIMATE.start_main_~x~4 142), 159915#(<= ULTIMATE.start_main_~x~4 144), 159912#(<= ULTIMATE.start_main_~x~4 138), 159913#(<= ULTIMATE.start_main_~x~4 140), 159918#(<= ULTIMATE.start_main_~x~4 150), 159919#(<= ULTIMATE.start_main_~x~4 152), 159916#(<= ULTIMATE.start_main_~x~4 146), 159917#(<= ULTIMATE.start_main_~x~4 148), 159922#(<= ULTIMATE.start_main_~x~4 158), 159923#(<= ULTIMATE.start_main_~x~4 160), 159920#(<= ULTIMATE.start_main_~x~4 154), 159921#(<= ULTIMATE.start_main_~x~4 156), 159926#(<= ULTIMATE.start_main_~x~4 166), 159927#(<= ULTIMATE.start_main_~x~4 168), 159924#(<= ULTIMATE.start_main_~x~4 162), 159925#(<= ULTIMATE.start_main_~x~4 164), 159930#(<= ULTIMATE.start_main_~x~4 174), 159931#(<= ULTIMATE.start_main_~x~4 176), 159928#(<= ULTIMATE.start_main_~x~4 170), 159929#(<= ULTIMATE.start_main_~x~4 172), 159934#(<= ULTIMATE.start_main_~x~4 182), 159935#(<= ULTIMATE.start_main_~x~4 184), 159932#(<= ULTIMATE.start_main_~x~4 178), 159933#(<= ULTIMATE.start_main_~x~4 180), 159938#(<= ULTIMATE.start_main_~x~4 190), 159939#(<= ULTIMATE.start_main_~x~4 192), 159936#(<= ULTIMATE.start_main_~x~4 186), 159937#(<= ULTIMATE.start_main_~x~4 188), 159942#(<= ULTIMATE.start_main_~x~4 198), 159943#(<= ULTIMATE.start_main_~x~4 200), 159940#(<= ULTIMATE.start_main_~x~4 194), 159941#(<= ULTIMATE.start_main_~x~4 196), 159946#(<= ULTIMATE.start_main_~x~4 206), 159947#(<= ULTIMATE.start_main_~x~4 208), 159944#(<= ULTIMATE.start_main_~x~4 202), 159945#(<= ULTIMATE.start_main_~x~4 204), 159950#(<= ULTIMATE.start_main_~x~4 214), 159951#(<= ULTIMATE.start_main_~x~4 216), 159948#(<= ULTIMATE.start_main_~x~4 210), 159949#(<= ULTIMATE.start_main_~x~4 212), 159954#(<= ULTIMATE.start_main_~x~4 222), 159955#(<= ULTIMATE.start_main_~x~4 224), 159952#(<= ULTIMATE.start_main_~x~4 218), 159953#(<= ULTIMATE.start_main_~x~4 220), 159958#(<= ULTIMATE.start_main_~x~4 230), 159959#(<= ULTIMATE.start_main_~x~4 232), 159956#(<= ULTIMATE.start_main_~x~4 226), 159957#(<= ULTIMATE.start_main_~x~4 228), 159962#(<= ULTIMATE.start_main_~x~4 238), 159963#(<= ULTIMATE.start_main_~x~4 240), 159960#(<= ULTIMATE.start_main_~x~4 234), 159961#(<= ULTIMATE.start_main_~x~4 236), 159966#(<= ULTIMATE.start_main_~x~4 246), 159967#(<= ULTIMATE.start_main_~x~4 248), 159964#(<= ULTIMATE.start_main_~x~4 242), 159965#(<= ULTIMATE.start_main_~x~4 244), 159970#(<= ULTIMATE.start_main_~x~4 254), 159971#(<= ULTIMATE.start_main_~x~4 256), 159968#(<= ULTIMATE.start_main_~x~4 250), 159969#(<= ULTIMATE.start_main_~x~4 252), 159974#(<= ULTIMATE.start_main_~x~4 262), 159975#(<= ULTIMATE.start_main_~x~4 264), 159972#(<= ULTIMATE.start_main_~x~4 258), 159973#(<= ULTIMATE.start_main_~x~4 260), 159978#(<= ULTIMATE.start_main_~x~4 270), 159979#(<= ULTIMATE.start_main_~x~4 272), 159976#(<= ULTIMATE.start_main_~x~4 266), 159977#(<= ULTIMATE.start_main_~x~4 268), 159982#(<= ULTIMATE.start_main_~x~4 278), 159983#(<= ULTIMATE.start_main_~x~4 280), 159980#(<= ULTIMATE.start_main_~x~4 274), 159981#(<= ULTIMATE.start_main_~x~4 276), 159986#(<= ULTIMATE.start_main_~x~4 286), 159987#(<= ULTIMATE.start_main_~x~4 288), 159984#(<= ULTIMATE.start_main_~x~4 282), 159985#(<= ULTIMATE.start_main_~x~4 284), 159990#(<= ULTIMATE.start_main_~x~4 294), 159991#(<= ULTIMATE.start_main_~x~4 296), 159988#(<= ULTIMATE.start_main_~x~4 290), 159989#(<= ULTIMATE.start_main_~x~4 292), 159994#(<= ULTIMATE.start_main_~x~4 302), 159995#(<= ULTIMATE.start_main_~x~4 304), 159992#(<= ULTIMATE.start_main_~x~4 298), 159993#(<= ULTIMATE.start_main_~x~4 300), 159998#(<= ULTIMATE.start_main_~x~4 310), 159999#(<= ULTIMATE.start_main_~x~4 312), 159996#(<= ULTIMATE.start_main_~x~4 306), 159997#(<= ULTIMATE.start_main_~x~4 308), 160002#(<= ULTIMATE.start_main_~x~4 318), 160003#(<= ULTIMATE.start_main_~x~4 320), 160000#(<= ULTIMATE.start_main_~x~4 314), 160001#(<= ULTIMATE.start_main_~x~4 316), 160006#(<= ULTIMATE.start_main_~x~4 326), 160007#(<= ULTIMATE.start_main_~x~4 328), 160004#(<= ULTIMATE.start_main_~x~4 322), 160005#(<= ULTIMATE.start_main_~x~4 324), 160010#(<= ULTIMATE.start_main_~x~4 334), 160011#(<= ULTIMATE.start_main_~x~4 336), 160008#(<= ULTIMATE.start_main_~x~4 330), 160009#(<= ULTIMATE.start_main_~x~4 332), 160014#(<= ULTIMATE.start_main_~x~4 342), 160015#(<= ULTIMATE.start_main_~x~4 344), 160012#(<= ULTIMATE.start_main_~x~4 338), 160013#(<= ULTIMATE.start_main_~x~4 340), 160018#(<= ULTIMATE.start_main_~x~4 350), 160019#(<= ULTIMATE.start_main_~x~4 352), 160016#(<= ULTIMATE.start_main_~x~4 346), 160017#(<= ULTIMATE.start_main_~x~4 348), 160022#(<= ULTIMATE.start_main_~x~4 358), 160023#(<= ULTIMATE.start_main_~x~4 360), 160020#(<= ULTIMATE.start_main_~x~4 354), 160021#(<= ULTIMATE.start_main_~x~4 356), 160026#(<= ULTIMATE.start_main_~x~4 366), 160027#(<= ULTIMATE.start_main_~x~4 368), 160024#(<= ULTIMATE.start_main_~x~4 362), 160025#(<= ULTIMATE.start_main_~x~4 364), 160030#(<= ULTIMATE.start_main_~x~4 374), 160031#(<= ULTIMATE.start_main_~x~4 376), 160028#(<= ULTIMATE.start_main_~x~4 370), 160029#(<= ULTIMATE.start_main_~x~4 372), 160034#(<= ULTIMATE.start_main_~x~4 382), 160035#(<= ULTIMATE.start_main_~x~4 384), 160032#(<= ULTIMATE.start_main_~x~4 378), 160033#(<= ULTIMATE.start_main_~x~4 380), 160038#(<= ULTIMATE.start_main_~x~4 390), 160039#(<= ULTIMATE.start_main_~x~4 392), 160036#(<= ULTIMATE.start_main_~x~4 386), 160037#(<= ULTIMATE.start_main_~x~4 388), 160042#(<= ULTIMATE.start_main_~x~4 398), 160043#(<= ULTIMATE.start_main_~x~4 400), 160040#(<= ULTIMATE.start_main_~x~4 394), 160041#(<= ULTIMATE.start_main_~x~4 396), 160046#(<= ULTIMATE.start_main_~x~4 406), 160047#(<= ULTIMATE.start_main_~x~4 408), 160044#(<= ULTIMATE.start_main_~x~4 402), 160045#(<= ULTIMATE.start_main_~x~4 404), 160050#(<= ULTIMATE.start_main_~x~4 414), 160051#(<= ULTIMATE.start_main_~x~4 416), 160048#(<= ULTIMATE.start_main_~x~4 410), 160049#(<= ULTIMATE.start_main_~x~4 412), 160054#(<= ULTIMATE.start_main_~x~4 422), 160055#(<= ULTIMATE.start_main_~x~4 424), 160052#(<= ULTIMATE.start_main_~x~4 418), 160053#(<= ULTIMATE.start_main_~x~4 420), 160058#(<= ULTIMATE.start_main_~x~4 430), 160059#(<= ULTIMATE.start_main_~x~4 432), 160056#(<= ULTIMATE.start_main_~x~4 426), 160057#(<= ULTIMATE.start_main_~x~4 428), 160062#(<= ULTIMATE.start_main_~x~4 438), 160063#(<= ULTIMATE.start_main_~x~4 440), 160060#(<= ULTIMATE.start_main_~x~4 434), 160061#(<= ULTIMATE.start_main_~x~4 436), 160066#(<= ULTIMATE.start_main_~x~4 446), 160067#(<= ULTIMATE.start_main_~x~4 448), 160064#(<= ULTIMATE.start_main_~x~4 442), 160065#(<= ULTIMATE.start_main_~x~4 444), 160070#(<= ULTIMATE.start_main_~x~4 454), 160071#(<= ULTIMATE.start_main_~x~4 456), 160068#(<= ULTIMATE.start_main_~x~4 450), 160069#(<= ULTIMATE.start_main_~x~4 452), 160074#(<= ULTIMATE.start_main_~x~4 462), 160075#(<= ULTIMATE.start_main_~x~4 464), 160072#(<= ULTIMATE.start_main_~x~4 458), 160073#(<= ULTIMATE.start_main_~x~4 460), 160078#(<= ULTIMATE.start_main_~x~4 470), 160079#(<= ULTIMATE.start_main_~x~4 472), 160076#(<= ULTIMATE.start_main_~x~4 466), 160077#(<= ULTIMATE.start_main_~x~4 468), 160082#(<= ULTIMATE.start_main_~x~4 478), 160083#(<= ULTIMATE.start_main_~x~4 480), 160080#(<= ULTIMATE.start_main_~x~4 474), 160081#(<= ULTIMATE.start_main_~x~4 476), 160086#(<= ULTIMATE.start_main_~x~4 486), 160087#(<= ULTIMATE.start_main_~x~4 488), 160084#(<= ULTIMATE.start_main_~x~4 482), 160085#(<= ULTIMATE.start_main_~x~4 484), 160090#(<= ULTIMATE.start_main_~x~4 494), 160091#(<= ULTIMATE.start_main_~x~4 496), 160088#(<= ULTIMATE.start_main_~x~4 490), 160089#(<= ULTIMATE.start_main_~x~4 492), 160094#(<= ULTIMATE.start_main_~x~4 502), 160095#(<= ULTIMATE.start_main_~x~4 504), 160092#(<= ULTIMATE.start_main_~x~4 498), 160093#(<= ULTIMATE.start_main_~x~4 500), 160096#(<= ULTIMATE.start_main_~x~4 506)] [2018-07-23 13:45:19,285 INFO L134 CoverageAnalysis]: Checked inductivity of 30876 backedges. 0 proven. 30876 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2018-07-23 13:45:19,285 INFO L450 AbstractCegarLoop]: Interpolant automaton has 251 states [2018-07-23 13:45:19,288 INFO L132 InterpolantAutomaton]: Constructing interpolant automaton starting with 251 interpolants. [2018-07-23 13:45:19,291 INFO L133 InterpolantAutomaton]: CoverageRelationStatistics Valid=31375, Invalid=31375, Unknown=0, NotChecked=0, Total=62750 [2018-07-23 13:45:19,291 INFO L87 Difference]: Start difference. First operand 252 states and 252 transitions. Second operand 251 states. [2018-07-23 13:45:21,039 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2018-07-23 13:45:21,040 INFO L93 Difference]: Finished difference Result 255 states and 255 transitions. [2018-07-23 13:45:21,040 INFO L142 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 251 states. [2018-07-23 13:45:21,040 INFO L78 Accepts]: Start accepts. Automaton has 251 states. Word has length 251 [2018-07-23 13:45:21,040 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2018-07-23 13:45:21,040 INFO L225 Difference]: With dead ends: 255 [2018-07-23 13:45:21,041 INFO L226 Difference]: Without dead ends: 253 [2018-07-23 13:45:21,044 INFO L575 BasicCegarLoop]: 0 DeclaredPredicates, 250 GetRequests, 1 SyntacticMatches, 0 SemanticMatches, 249 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 0 ImplicationChecksByTransitivity, 1.3s TimeCoverageRelationStatistics Valid=31375, Invalid=31375, Unknown=0, NotChecked=0, Total=62750 [2018-07-23 13:45:21,044 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 253 states. [2018-07-23 13:45:21,046 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 253 to 253. [2018-07-23 13:45:21,046 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 253 states. [2018-07-23 13:45:21,046 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 253 states to 253 states and 253 transitions. [2018-07-23 13:45:21,046 INFO L78 Accepts]: Start accepts. Automaton has 253 states and 253 transitions. Word has length 251 [2018-07-23 13:45:21,047 INFO L84 Accepts]: Finished accepts. word is rejected. [2018-07-23 13:45:21,047 INFO L471 AbstractCegarLoop]: Abstraction has 253 states and 253 transitions. [2018-07-23 13:45:21,047 INFO L472 AbstractCegarLoop]: Interpolant automaton has 251 states. [2018-07-23 13:45:21,047 INFO L276 IsEmpty]: Start isEmpty. Operand 253 states and 253 transitions. [2018-07-23 13:45:21,047 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 253 [2018-07-23 13:45:21,047 INFO L349 BasicCegarLoop]: Found error trace [2018-07-23 13:45:21,048 INFO L357 BasicCegarLoop]: trace histogram [249, 1, 1, 1] [2018-07-23 13:45:21,048 INFO L414 AbstractCegarLoop]: === Iteration 250 === [ULTIMATE.startErr0AssertViolationASSERT]=== [2018-07-23 13:45:21,048 INFO L82 PathProgramCache]: Analyzing trace with hash 1487105704, now seen corresponding path program 249 times [2018-07-23 13:45:21,048 INFO L69 tionRefinementEngine]: Using refinement strategy FixedRefinementStrategy [2018-07-23 13:45:21,067 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-07-23 13:45:22,470 INFO L134 CoverageAnalysis]: Checked inductivity of 31125 backedges. 0 proven. 31125 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2018-07-23 13:45:22,470 INFO L309 seRefinementStrategy]: Constructing automaton from 0 perfect and 1 imperfect interpolant sequences. [2018-07-23 13:45:22,470 INFO L324 seRefinementStrategy]: Number of different interpolants: perfect sequences [] imperfect sequences [251] total 251 [2018-07-23 13:45:22,470 INFO L142 lantAutomatonBuilder]: Constructing canonical interpolant automaton, with selfloop in false state [2018-07-23 13:45:22,470 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2018-07-23 13:45:22,471 INFO L185 omatonBuilderFactory]: Interpolants [161282#(<= ULTIMATE.start_main_~x~4 344), 161283#(<= ULTIMATE.start_main_~x~4 346), 161280#(<= ULTIMATE.start_main_~x~4 340), 161281#(<= ULTIMATE.start_main_~x~4 342), 161286#(<= ULTIMATE.start_main_~x~4 352), 161287#(<= ULTIMATE.start_main_~x~4 354), 161284#(<= ULTIMATE.start_main_~x~4 348), 161285#(<= ULTIMATE.start_main_~x~4 350), 161290#(<= ULTIMATE.start_main_~x~4 360), 161291#(<= ULTIMATE.start_main_~x~4 362), 161288#(<= ULTIMATE.start_main_~x~4 356), 161289#(<= ULTIMATE.start_main_~x~4 358), 161294#(<= ULTIMATE.start_main_~x~4 368), 161295#(<= ULTIMATE.start_main_~x~4 370), 161292#(<= ULTIMATE.start_main_~x~4 364), 161293#(<= ULTIMATE.start_main_~x~4 366), 161298#(<= ULTIMATE.start_main_~x~4 376), 161299#(<= ULTIMATE.start_main_~x~4 378), 161296#(<= ULTIMATE.start_main_~x~4 372), 161297#(<= ULTIMATE.start_main_~x~4 374), 161302#(<= ULTIMATE.start_main_~x~4 384), 161303#(<= ULTIMATE.start_main_~x~4 386), 161300#(<= ULTIMATE.start_main_~x~4 380), 161301#(<= ULTIMATE.start_main_~x~4 382), 161306#(<= ULTIMATE.start_main_~x~4 392), 161307#(<= ULTIMATE.start_main_~x~4 394), 161304#(<= ULTIMATE.start_main_~x~4 388), 161305#(<= ULTIMATE.start_main_~x~4 390), 161310#(<= ULTIMATE.start_main_~x~4 400), 161311#(<= ULTIMATE.start_main_~x~4 402), 161308#(<= ULTIMATE.start_main_~x~4 396), 161309#(<= ULTIMATE.start_main_~x~4 398), 161314#(<= ULTIMATE.start_main_~x~4 408), 161315#(<= ULTIMATE.start_main_~x~4 410), 161312#(<= ULTIMATE.start_main_~x~4 404), 161313#(<= ULTIMATE.start_main_~x~4 406), 161318#(<= ULTIMATE.start_main_~x~4 416), 161319#(<= ULTIMATE.start_main_~x~4 418), 161316#(<= ULTIMATE.start_main_~x~4 412), 161317#(<= ULTIMATE.start_main_~x~4 414), 161322#(<= ULTIMATE.start_main_~x~4 424), 161323#(<= ULTIMATE.start_main_~x~4 426), 161320#(<= ULTIMATE.start_main_~x~4 420), 161321#(<= ULTIMATE.start_main_~x~4 422), 161326#(<= ULTIMATE.start_main_~x~4 432), 161327#(<= ULTIMATE.start_main_~x~4 434), 161324#(<= ULTIMATE.start_main_~x~4 428), 161325#(<= ULTIMATE.start_main_~x~4 430), 161330#(<= ULTIMATE.start_main_~x~4 440), 161331#(<= ULTIMATE.start_main_~x~4 442), 161328#(<= ULTIMATE.start_main_~x~4 436), 161329#(<= ULTIMATE.start_main_~x~4 438), 161334#(<= ULTIMATE.start_main_~x~4 448), 161335#(<= ULTIMATE.start_main_~x~4 450), 161332#(<= ULTIMATE.start_main_~x~4 444), 161333#(<= ULTIMATE.start_main_~x~4 446), 161338#(<= ULTIMATE.start_main_~x~4 456), 161339#(<= ULTIMATE.start_main_~x~4 458), 161336#(<= ULTIMATE.start_main_~x~4 452), 161337#(<= ULTIMATE.start_main_~x~4 454), 161342#(<= ULTIMATE.start_main_~x~4 464), 161343#(<= ULTIMATE.start_main_~x~4 466), 161340#(<= ULTIMATE.start_main_~x~4 460), 161341#(<= ULTIMATE.start_main_~x~4 462), 161346#(<= ULTIMATE.start_main_~x~4 472), 161347#(<= ULTIMATE.start_main_~x~4 474), 161344#(<= ULTIMATE.start_main_~x~4 468), 161345#(<= ULTIMATE.start_main_~x~4 470), 161350#(<= ULTIMATE.start_main_~x~4 480), 161351#(<= ULTIMATE.start_main_~x~4 482), 161348#(<= ULTIMATE.start_main_~x~4 476), 161349#(<= ULTIMATE.start_main_~x~4 478), 161354#(<= ULTIMATE.start_main_~x~4 488), 161355#(<= ULTIMATE.start_main_~x~4 490), 161352#(<= ULTIMATE.start_main_~x~4 484), 161353#(<= ULTIMATE.start_main_~x~4 486), 161358#(<= ULTIMATE.start_main_~x~4 496), 161359#(<= ULTIMATE.start_main_~x~4 498), 161356#(<= ULTIMATE.start_main_~x~4 492), 161357#(<= ULTIMATE.start_main_~x~4 494), 161362#(<= ULTIMATE.start_main_~x~4 504), 161363#(<= ULTIMATE.start_main_~x~4 506), 161360#(<= ULTIMATE.start_main_~x~4 500), 161361#(<= ULTIMATE.start_main_~x~4 502), 161364#(<= ULTIMATE.start_main_~x~4 508), 161114#false, 161115#(<= ULTIMATE.start_main_~x~4 10), 161113#true, 161118#(<= ULTIMATE.start_main_~x~4 16), 161119#(<= ULTIMATE.start_main_~x~4 18), 161116#(<= ULTIMATE.start_main_~x~4 12), 161117#(<= ULTIMATE.start_main_~x~4 14), 161122#(<= ULTIMATE.start_main_~x~4 24), 161123#(<= ULTIMATE.start_main_~x~4 26), 161120#(<= ULTIMATE.start_main_~x~4 20), 161121#(<= ULTIMATE.start_main_~x~4 22), 161126#(<= ULTIMATE.start_main_~x~4 32), 161127#(<= ULTIMATE.start_main_~x~4 34), 161124#(<= ULTIMATE.start_main_~x~4 28), 161125#(<= ULTIMATE.start_main_~x~4 30), 161130#(<= ULTIMATE.start_main_~x~4 40), 161131#(<= ULTIMATE.start_main_~x~4 42), 161128#(<= ULTIMATE.start_main_~x~4 36), 161129#(<= ULTIMATE.start_main_~x~4 38), 161134#(<= ULTIMATE.start_main_~x~4 48), 161135#(<= ULTIMATE.start_main_~x~4 50), 161132#(<= ULTIMATE.start_main_~x~4 44), 161133#(<= ULTIMATE.start_main_~x~4 46), 161138#(<= ULTIMATE.start_main_~x~4 56), 161139#(<= ULTIMATE.start_main_~x~4 58), 161136#(<= ULTIMATE.start_main_~x~4 52), 161137#(<= ULTIMATE.start_main_~x~4 54), 161142#(<= ULTIMATE.start_main_~x~4 64), 161143#(<= ULTIMATE.start_main_~x~4 66), 161140#(<= ULTIMATE.start_main_~x~4 60), 161141#(<= ULTIMATE.start_main_~x~4 62), 161146#(<= ULTIMATE.start_main_~x~4 72), 161147#(<= ULTIMATE.start_main_~x~4 74), 161144#(<= ULTIMATE.start_main_~x~4 68), 161145#(<= ULTIMATE.start_main_~x~4 70), 161150#(<= ULTIMATE.start_main_~x~4 80), 161151#(<= ULTIMATE.start_main_~x~4 82), 161148#(<= ULTIMATE.start_main_~x~4 76), 161149#(<= ULTIMATE.start_main_~x~4 78), 161154#(<= ULTIMATE.start_main_~x~4 88), 161155#(<= ULTIMATE.start_main_~x~4 90), 161152#(<= ULTIMATE.start_main_~x~4 84), 161153#(<= ULTIMATE.start_main_~x~4 86), 161158#(<= ULTIMATE.start_main_~x~4 96), 161159#(<= ULTIMATE.start_main_~x~4 98), 161156#(<= ULTIMATE.start_main_~x~4 92), 161157#(<= ULTIMATE.start_main_~x~4 94), 161162#(<= ULTIMATE.start_main_~x~4 104), 161163#(<= ULTIMATE.start_main_~x~4 106), 161160#(<= ULTIMATE.start_main_~x~4 100), 161161#(<= ULTIMATE.start_main_~x~4 102), 161166#(<= ULTIMATE.start_main_~x~4 112), 161167#(<= ULTIMATE.start_main_~x~4 114), 161164#(<= ULTIMATE.start_main_~x~4 108), 161165#(<= ULTIMATE.start_main_~x~4 110), 161170#(<= ULTIMATE.start_main_~x~4 120), 161171#(<= ULTIMATE.start_main_~x~4 122), 161168#(<= ULTIMATE.start_main_~x~4 116), 161169#(<= ULTIMATE.start_main_~x~4 118), 161174#(<= ULTIMATE.start_main_~x~4 128), 161175#(<= ULTIMATE.start_main_~x~4 130), 161172#(<= ULTIMATE.start_main_~x~4 124), 161173#(<= ULTIMATE.start_main_~x~4 126), 161178#(<= ULTIMATE.start_main_~x~4 136), 161179#(<= ULTIMATE.start_main_~x~4 138), 161176#(<= ULTIMATE.start_main_~x~4 132), 161177#(<= ULTIMATE.start_main_~x~4 134), 161182#(<= ULTIMATE.start_main_~x~4 144), 161183#(<= ULTIMATE.start_main_~x~4 146), 161180#(<= ULTIMATE.start_main_~x~4 140), 161181#(<= ULTIMATE.start_main_~x~4 142), 161186#(<= ULTIMATE.start_main_~x~4 152), 161187#(<= ULTIMATE.start_main_~x~4 154), 161184#(<= ULTIMATE.start_main_~x~4 148), 161185#(<= ULTIMATE.start_main_~x~4 150), 161190#(<= ULTIMATE.start_main_~x~4 160), 161191#(<= ULTIMATE.start_main_~x~4 162), 161188#(<= ULTIMATE.start_main_~x~4 156), 161189#(<= ULTIMATE.start_main_~x~4 158), 161194#(<= ULTIMATE.start_main_~x~4 168), 161195#(<= ULTIMATE.start_main_~x~4 170), 161192#(<= ULTIMATE.start_main_~x~4 164), 161193#(<= ULTIMATE.start_main_~x~4 166), 161198#(<= ULTIMATE.start_main_~x~4 176), 161199#(<= ULTIMATE.start_main_~x~4 178), 161196#(<= ULTIMATE.start_main_~x~4 172), 161197#(<= ULTIMATE.start_main_~x~4 174), 161202#(<= ULTIMATE.start_main_~x~4 184), 161203#(<= ULTIMATE.start_main_~x~4 186), 161200#(<= ULTIMATE.start_main_~x~4 180), 161201#(<= ULTIMATE.start_main_~x~4 182), 161206#(<= ULTIMATE.start_main_~x~4 192), 161207#(<= ULTIMATE.start_main_~x~4 194), 161204#(<= ULTIMATE.start_main_~x~4 188), 161205#(<= ULTIMATE.start_main_~x~4 190), 161210#(<= ULTIMATE.start_main_~x~4 200), 161211#(<= ULTIMATE.start_main_~x~4 202), 161208#(<= ULTIMATE.start_main_~x~4 196), 161209#(<= ULTIMATE.start_main_~x~4 198), 161214#(<= ULTIMATE.start_main_~x~4 208), 161215#(<= ULTIMATE.start_main_~x~4 210), 161212#(<= ULTIMATE.start_main_~x~4 204), 161213#(<= ULTIMATE.start_main_~x~4 206), 161218#(<= ULTIMATE.start_main_~x~4 216), 161219#(<= ULTIMATE.start_main_~x~4 218), 161216#(<= ULTIMATE.start_main_~x~4 212), 161217#(<= ULTIMATE.start_main_~x~4 214), 161222#(<= ULTIMATE.start_main_~x~4 224), 161223#(<= ULTIMATE.start_main_~x~4 226), 161220#(<= ULTIMATE.start_main_~x~4 220), 161221#(<= ULTIMATE.start_main_~x~4 222), 161226#(<= ULTIMATE.start_main_~x~4 232), 161227#(<= ULTIMATE.start_main_~x~4 234), 161224#(<= ULTIMATE.start_main_~x~4 228), 161225#(<= ULTIMATE.start_main_~x~4 230), 161230#(<= ULTIMATE.start_main_~x~4 240), 161231#(<= ULTIMATE.start_main_~x~4 242), 161228#(<= ULTIMATE.start_main_~x~4 236), 161229#(<= ULTIMATE.start_main_~x~4 238), 161234#(<= ULTIMATE.start_main_~x~4 248), 161235#(<= ULTIMATE.start_main_~x~4 250), 161232#(<= ULTIMATE.start_main_~x~4 244), 161233#(<= ULTIMATE.start_main_~x~4 246), 161238#(<= ULTIMATE.start_main_~x~4 256), 161239#(<= ULTIMATE.start_main_~x~4 258), 161236#(<= ULTIMATE.start_main_~x~4 252), 161237#(<= ULTIMATE.start_main_~x~4 254), 161242#(<= ULTIMATE.start_main_~x~4 264), 161243#(<= ULTIMATE.start_main_~x~4 266), 161240#(<= ULTIMATE.start_main_~x~4 260), 161241#(<= ULTIMATE.start_main_~x~4 262), 161246#(<= ULTIMATE.start_main_~x~4 272), 161247#(<= ULTIMATE.start_main_~x~4 274), 161244#(<= ULTIMATE.start_main_~x~4 268), 161245#(<= ULTIMATE.start_main_~x~4 270), 161250#(<= ULTIMATE.start_main_~x~4 280), 161251#(<= ULTIMATE.start_main_~x~4 282), 161248#(<= ULTIMATE.start_main_~x~4 276), 161249#(<= ULTIMATE.start_main_~x~4 278), 161254#(<= ULTIMATE.start_main_~x~4 288), 161255#(<= ULTIMATE.start_main_~x~4 290), 161252#(<= ULTIMATE.start_main_~x~4 284), 161253#(<= ULTIMATE.start_main_~x~4 286), 161258#(<= ULTIMATE.start_main_~x~4 296), 161259#(<= ULTIMATE.start_main_~x~4 298), 161256#(<= ULTIMATE.start_main_~x~4 292), 161257#(<= ULTIMATE.start_main_~x~4 294), 161262#(<= ULTIMATE.start_main_~x~4 304), 161263#(<= ULTIMATE.start_main_~x~4 306), 161260#(<= ULTIMATE.start_main_~x~4 300), 161261#(<= ULTIMATE.start_main_~x~4 302), 161266#(<= ULTIMATE.start_main_~x~4 312), 161267#(<= ULTIMATE.start_main_~x~4 314), 161264#(<= ULTIMATE.start_main_~x~4 308), 161265#(<= ULTIMATE.start_main_~x~4 310), 161270#(<= ULTIMATE.start_main_~x~4 320), 161271#(<= ULTIMATE.start_main_~x~4 322), 161268#(<= ULTIMATE.start_main_~x~4 316), 161269#(<= ULTIMATE.start_main_~x~4 318), 161274#(<= ULTIMATE.start_main_~x~4 328), 161275#(<= ULTIMATE.start_main_~x~4 330), 161272#(<= ULTIMATE.start_main_~x~4 324), 161273#(<= ULTIMATE.start_main_~x~4 326), 161278#(<= ULTIMATE.start_main_~x~4 336), 161279#(<= ULTIMATE.start_main_~x~4 338), 161276#(<= ULTIMATE.start_main_~x~4 332), 161277#(<= ULTIMATE.start_main_~x~4 334)] [2018-07-23 13:45:22,472 INFO L134 CoverageAnalysis]: Checked inductivity of 31125 backedges. 0 proven. 31125 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2018-07-23 13:45:22,473 INFO L450 AbstractCegarLoop]: Interpolant automaton has 252 states [2018-07-23 13:45:22,477 INFO L132 InterpolantAutomaton]: Constructing interpolant automaton starting with 252 interpolants. [2018-07-23 13:45:22,480 INFO L133 InterpolantAutomaton]: CoverageRelationStatistics Valid=31626, Invalid=31626, Unknown=0, NotChecked=0, Total=63252 [2018-07-23 13:45:22,481 INFO L87 Difference]: Start difference. First operand 253 states and 253 transitions. Second operand 252 states. [2018-07-23 13:45:23,246 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2018-07-23 13:45:23,247 INFO L93 Difference]: Finished difference Result 256 states and 256 transitions. [2018-07-23 13:45:23,247 INFO L142 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 252 states. [2018-07-23 13:45:23,247 INFO L78 Accepts]: Start accepts. Automaton has 252 states. Word has length 252 [2018-07-23 13:45:23,247 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2018-07-23 13:45:23,247 INFO L225 Difference]: With dead ends: 256 [2018-07-23 13:45:23,248 INFO L226 Difference]: Without dead ends: 254 [2018-07-23 13:45:23,252 INFO L575 BasicCegarLoop]: 0 DeclaredPredicates, 251 GetRequests, 1 SyntacticMatches, 0 SemanticMatches, 250 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 0 ImplicationChecksByTransitivity, 1.3s TimeCoverageRelationStatistics Valid=31626, Invalid=31626, Unknown=0, NotChecked=0, Total=63252 [2018-07-23 13:45:23,252 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 254 states. [2018-07-23 13:45:23,254 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 254 to 254. [2018-07-23 13:45:23,254 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 254 states. [2018-07-23 13:45:23,254 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 254 states to 254 states and 254 transitions. [2018-07-23 13:45:23,254 INFO L78 Accepts]: Start accepts. Automaton has 254 states and 254 transitions. Word has length 252 [2018-07-23 13:45:23,255 INFO L84 Accepts]: Finished accepts. word is rejected. [2018-07-23 13:45:23,255 INFO L471 AbstractCegarLoop]: Abstraction has 254 states and 254 transitions. [2018-07-23 13:45:23,255 INFO L472 AbstractCegarLoop]: Interpolant automaton has 252 states. [2018-07-23 13:45:23,255 INFO L276 IsEmpty]: Start isEmpty. Operand 254 states and 254 transitions. [2018-07-23 13:45:23,255 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 254 [2018-07-23 13:45:23,255 INFO L349 BasicCegarLoop]: Found error trace [2018-07-23 13:45:23,255 INFO L357 BasicCegarLoop]: trace histogram [250, 1, 1, 1] [2018-07-23 13:45:23,256 INFO L414 AbstractCegarLoop]: === Iteration 251 === [ULTIMATE.startErr0AssertViolationASSERT]=== [2018-07-23 13:45:23,256 INFO L82 PathProgramCache]: Analyzing trace with hash -1144365407, now seen corresponding path program 250 times [2018-07-23 13:45:23,256 INFO L69 tionRefinementEngine]: Using refinement strategy FixedRefinementStrategy [2018-07-23 13:45:23,276 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-07-23 13:45:24,685 INFO L134 CoverageAnalysis]: Checked inductivity of 31375 backedges. 0 proven. 31375 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2018-07-23 13:45:24,686 INFO L309 seRefinementStrategy]: Constructing automaton from 0 perfect and 1 imperfect interpolant sequences. [2018-07-23 13:45:24,686 INFO L324 seRefinementStrategy]: Number of different interpolants: perfect sequences [] imperfect sequences [252] total 252 [2018-07-23 13:45:24,686 INFO L142 lantAutomatonBuilder]: Constructing canonical interpolant automaton, with selfloop in false state [2018-07-23 13:45:24,686 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2018-07-23 13:45:24,687 INFO L185 omatonBuilderFactory]: Interpolants [162386#false, 162387#(<= ULTIMATE.start_main_~x~4 10), 162385#true, 162390#(<= ULTIMATE.start_main_~x~4 16), 162391#(<= ULTIMATE.start_main_~x~4 18), 162388#(<= ULTIMATE.start_main_~x~4 12), 162389#(<= ULTIMATE.start_main_~x~4 14), 162394#(<= ULTIMATE.start_main_~x~4 24), 162395#(<= ULTIMATE.start_main_~x~4 26), 162392#(<= ULTIMATE.start_main_~x~4 20), 162393#(<= ULTIMATE.start_main_~x~4 22), 162398#(<= ULTIMATE.start_main_~x~4 32), 162399#(<= ULTIMATE.start_main_~x~4 34), 162396#(<= ULTIMATE.start_main_~x~4 28), 162397#(<= ULTIMATE.start_main_~x~4 30), 162402#(<= ULTIMATE.start_main_~x~4 40), 162403#(<= ULTIMATE.start_main_~x~4 42), 162400#(<= ULTIMATE.start_main_~x~4 36), 162401#(<= ULTIMATE.start_main_~x~4 38), 162406#(<= ULTIMATE.start_main_~x~4 48), 162407#(<= ULTIMATE.start_main_~x~4 50), 162404#(<= ULTIMATE.start_main_~x~4 44), 162405#(<= ULTIMATE.start_main_~x~4 46), 162410#(<= ULTIMATE.start_main_~x~4 56), 162411#(<= ULTIMATE.start_main_~x~4 58), 162408#(<= ULTIMATE.start_main_~x~4 52), 162409#(<= ULTIMATE.start_main_~x~4 54), 162414#(<= ULTIMATE.start_main_~x~4 64), 162415#(<= ULTIMATE.start_main_~x~4 66), 162412#(<= ULTIMATE.start_main_~x~4 60), 162413#(<= ULTIMATE.start_main_~x~4 62), 162418#(<= ULTIMATE.start_main_~x~4 72), 162419#(<= ULTIMATE.start_main_~x~4 74), 162416#(<= ULTIMATE.start_main_~x~4 68), 162417#(<= ULTIMATE.start_main_~x~4 70), 162422#(<= ULTIMATE.start_main_~x~4 80), 162423#(<= ULTIMATE.start_main_~x~4 82), 162420#(<= ULTIMATE.start_main_~x~4 76), 162421#(<= ULTIMATE.start_main_~x~4 78), 162426#(<= ULTIMATE.start_main_~x~4 88), 162427#(<= ULTIMATE.start_main_~x~4 90), 162424#(<= ULTIMATE.start_main_~x~4 84), 162425#(<= ULTIMATE.start_main_~x~4 86), 162430#(<= ULTIMATE.start_main_~x~4 96), 162431#(<= ULTIMATE.start_main_~x~4 98), 162428#(<= ULTIMATE.start_main_~x~4 92), 162429#(<= ULTIMATE.start_main_~x~4 94), 162434#(<= ULTIMATE.start_main_~x~4 104), 162435#(<= ULTIMATE.start_main_~x~4 106), 162432#(<= ULTIMATE.start_main_~x~4 100), 162433#(<= ULTIMATE.start_main_~x~4 102), 162438#(<= ULTIMATE.start_main_~x~4 112), 162439#(<= ULTIMATE.start_main_~x~4 114), 162436#(<= ULTIMATE.start_main_~x~4 108), 162437#(<= ULTIMATE.start_main_~x~4 110), 162442#(<= ULTIMATE.start_main_~x~4 120), 162443#(<= ULTIMATE.start_main_~x~4 122), 162440#(<= ULTIMATE.start_main_~x~4 116), 162441#(<= ULTIMATE.start_main_~x~4 118), 162446#(<= ULTIMATE.start_main_~x~4 128), 162447#(<= ULTIMATE.start_main_~x~4 130), 162444#(<= ULTIMATE.start_main_~x~4 124), 162445#(<= ULTIMATE.start_main_~x~4 126), 162450#(<= ULTIMATE.start_main_~x~4 136), 162451#(<= ULTIMATE.start_main_~x~4 138), 162448#(<= ULTIMATE.start_main_~x~4 132), 162449#(<= ULTIMATE.start_main_~x~4 134), 162454#(<= ULTIMATE.start_main_~x~4 144), 162455#(<= ULTIMATE.start_main_~x~4 146), 162452#(<= ULTIMATE.start_main_~x~4 140), 162453#(<= ULTIMATE.start_main_~x~4 142), 162458#(<= ULTIMATE.start_main_~x~4 152), 162459#(<= ULTIMATE.start_main_~x~4 154), 162456#(<= ULTIMATE.start_main_~x~4 148), 162457#(<= ULTIMATE.start_main_~x~4 150), 162462#(<= ULTIMATE.start_main_~x~4 160), 162463#(<= ULTIMATE.start_main_~x~4 162), 162460#(<= ULTIMATE.start_main_~x~4 156), 162461#(<= ULTIMATE.start_main_~x~4 158), 162466#(<= ULTIMATE.start_main_~x~4 168), 162467#(<= ULTIMATE.start_main_~x~4 170), 162464#(<= ULTIMATE.start_main_~x~4 164), 162465#(<= ULTIMATE.start_main_~x~4 166), 162470#(<= ULTIMATE.start_main_~x~4 176), 162471#(<= ULTIMATE.start_main_~x~4 178), 162468#(<= ULTIMATE.start_main_~x~4 172), 162469#(<= ULTIMATE.start_main_~x~4 174), 162474#(<= ULTIMATE.start_main_~x~4 184), 162475#(<= ULTIMATE.start_main_~x~4 186), 162472#(<= ULTIMATE.start_main_~x~4 180), 162473#(<= ULTIMATE.start_main_~x~4 182), 162478#(<= ULTIMATE.start_main_~x~4 192), 162479#(<= ULTIMATE.start_main_~x~4 194), 162476#(<= ULTIMATE.start_main_~x~4 188), 162477#(<= ULTIMATE.start_main_~x~4 190), 162482#(<= ULTIMATE.start_main_~x~4 200), 162483#(<= ULTIMATE.start_main_~x~4 202), 162480#(<= ULTIMATE.start_main_~x~4 196), 162481#(<= ULTIMATE.start_main_~x~4 198), 162486#(<= ULTIMATE.start_main_~x~4 208), 162487#(<= ULTIMATE.start_main_~x~4 210), 162484#(<= ULTIMATE.start_main_~x~4 204), 162485#(<= ULTIMATE.start_main_~x~4 206), 162490#(<= ULTIMATE.start_main_~x~4 216), 162491#(<= ULTIMATE.start_main_~x~4 218), 162488#(<= ULTIMATE.start_main_~x~4 212), 162489#(<= ULTIMATE.start_main_~x~4 214), 162494#(<= ULTIMATE.start_main_~x~4 224), 162495#(<= ULTIMATE.start_main_~x~4 226), 162492#(<= ULTIMATE.start_main_~x~4 220), 162493#(<= ULTIMATE.start_main_~x~4 222), 162498#(<= ULTIMATE.start_main_~x~4 232), 162499#(<= ULTIMATE.start_main_~x~4 234), 162496#(<= ULTIMATE.start_main_~x~4 228), 162497#(<= ULTIMATE.start_main_~x~4 230), 162502#(<= ULTIMATE.start_main_~x~4 240), 162503#(<= ULTIMATE.start_main_~x~4 242), 162500#(<= ULTIMATE.start_main_~x~4 236), 162501#(<= ULTIMATE.start_main_~x~4 238), 162506#(<= ULTIMATE.start_main_~x~4 248), 162507#(<= ULTIMATE.start_main_~x~4 250), 162504#(<= ULTIMATE.start_main_~x~4 244), 162505#(<= ULTIMATE.start_main_~x~4 246), 162510#(<= ULTIMATE.start_main_~x~4 256), 162511#(<= ULTIMATE.start_main_~x~4 258), 162508#(<= ULTIMATE.start_main_~x~4 252), 162509#(<= ULTIMATE.start_main_~x~4 254), 162514#(<= ULTIMATE.start_main_~x~4 264), 162515#(<= ULTIMATE.start_main_~x~4 266), 162512#(<= ULTIMATE.start_main_~x~4 260), 162513#(<= ULTIMATE.start_main_~x~4 262), 162518#(<= ULTIMATE.start_main_~x~4 272), 162519#(<= ULTIMATE.start_main_~x~4 274), 162516#(<= ULTIMATE.start_main_~x~4 268), 162517#(<= ULTIMATE.start_main_~x~4 270), 162522#(<= ULTIMATE.start_main_~x~4 280), 162523#(<= ULTIMATE.start_main_~x~4 282), 162520#(<= ULTIMATE.start_main_~x~4 276), 162521#(<= ULTIMATE.start_main_~x~4 278), 162526#(<= ULTIMATE.start_main_~x~4 288), 162527#(<= ULTIMATE.start_main_~x~4 290), 162524#(<= ULTIMATE.start_main_~x~4 284), 162525#(<= ULTIMATE.start_main_~x~4 286), 162530#(<= ULTIMATE.start_main_~x~4 296), 162531#(<= ULTIMATE.start_main_~x~4 298), 162528#(<= ULTIMATE.start_main_~x~4 292), 162529#(<= ULTIMATE.start_main_~x~4 294), 162534#(<= ULTIMATE.start_main_~x~4 304), 162535#(<= ULTIMATE.start_main_~x~4 306), 162532#(<= ULTIMATE.start_main_~x~4 300), 162533#(<= ULTIMATE.start_main_~x~4 302), 162538#(<= ULTIMATE.start_main_~x~4 312), 162539#(<= ULTIMATE.start_main_~x~4 314), 162536#(<= ULTIMATE.start_main_~x~4 308), 162537#(<= ULTIMATE.start_main_~x~4 310), 162542#(<= ULTIMATE.start_main_~x~4 320), 162543#(<= ULTIMATE.start_main_~x~4 322), 162540#(<= ULTIMATE.start_main_~x~4 316), 162541#(<= ULTIMATE.start_main_~x~4 318), 162546#(<= ULTIMATE.start_main_~x~4 328), 162547#(<= ULTIMATE.start_main_~x~4 330), 162544#(<= ULTIMATE.start_main_~x~4 324), 162545#(<= ULTIMATE.start_main_~x~4 326), 162550#(<= ULTIMATE.start_main_~x~4 336), 162551#(<= ULTIMATE.start_main_~x~4 338), 162548#(<= ULTIMATE.start_main_~x~4 332), 162549#(<= ULTIMATE.start_main_~x~4 334), 162554#(<= ULTIMATE.start_main_~x~4 344), 162555#(<= ULTIMATE.start_main_~x~4 346), 162552#(<= ULTIMATE.start_main_~x~4 340), 162553#(<= ULTIMATE.start_main_~x~4 342), 162558#(<= ULTIMATE.start_main_~x~4 352), 162559#(<= ULTIMATE.start_main_~x~4 354), 162556#(<= ULTIMATE.start_main_~x~4 348), 162557#(<= ULTIMATE.start_main_~x~4 350), 162562#(<= ULTIMATE.start_main_~x~4 360), 162563#(<= ULTIMATE.start_main_~x~4 362), 162560#(<= ULTIMATE.start_main_~x~4 356), 162561#(<= ULTIMATE.start_main_~x~4 358), 162566#(<= ULTIMATE.start_main_~x~4 368), 162567#(<= ULTIMATE.start_main_~x~4 370), 162564#(<= ULTIMATE.start_main_~x~4 364), 162565#(<= ULTIMATE.start_main_~x~4 366), 162570#(<= ULTIMATE.start_main_~x~4 376), 162571#(<= ULTIMATE.start_main_~x~4 378), 162568#(<= ULTIMATE.start_main_~x~4 372), 162569#(<= ULTIMATE.start_main_~x~4 374), 162574#(<= ULTIMATE.start_main_~x~4 384), 162575#(<= ULTIMATE.start_main_~x~4 386), 162572#(<= ULTIMATE.start_main_~x~4 380), 162573#(<= ULTIMATE.start_main_~x~4 382), 162578#(<= ULTIMATE.start_main_~x~4 392), 162579#(<= ULTIMATE.start_main_~x~4 394), 162576#(<= ULTIMATE.start_main_~x~4 388), 162577#(<= ULTIMATE.start_main_~x~4 390), 162582#(<= ULTIMATE.start_main_~x~4 400), 162583#(<= ULTIMATE.start_main_~x~4 402), 162580#(<= ULTIMATE.start_main_~x~4 396), 162581#(<= ULTIMATE.start_main_~x~4 398), 162586#(<= ULTIMATE.start_main_~x~4 408), 162587#(<= ULTIMATE.start_main_~x~4 410), 162584#(<= ULTIMATE.start_main_~x~4 404), 162585#(<= ULTIMATE.start_main_~x~4 406), 162590#(<= ULTIMATE.start_main_~x~4 416), 162591#(<= ULTIMATE.start_main_~x~4 418), 162588#(<= ULTIMATE.start_main_~x~4 412), 162589#(<= ULTIMATE.start_main_~x~4 414), 162594#(<= ULTIMATE.start_main_~x~4 424), 162595#(<= ULTIMATE.start_main_~x~4 426), 162592#(<= ULTIMATE.start_main_~x~4 420), 162593#(<= ULTIMATE.start_main_~x~4 422), 162598#(<= ULTIMATE.start_main_~x~4 432), 162599#(<= ULTIMATE.start_main_~x~4 434), 162596#(<= ULTIMATE.start_main_~x~4 428), 162597#(<= ULTIMATE.start_main_~x~4 430), 162602#(<= ULTIMATE.start_main_~x~4 440), 162603#(<= ULTIMATE.start_main_~x~4 442), 162600#(<= ULTIMATE.start_main_~x~4 436), 162601#(<= ULTIMATE.start_main_~x~4 438), 162606#(<= ULTIMATE.start_main_~x~4 448), 162607#(<= ULTIMATE.start_main_~x~4 450), 162604#(<= ULTIMATE.start_main_~x~4 444), 162605#(<= ULTIMATE.start_main_~x~4 446), 162610#(<= ULTIMATE.start_main_~x~4 456), 162611#(<= ULTIMATE.start_main_~x~4 458), 162608#(<= ULTIMATE.start_main_~x~4 452), 162609#(<= ULTIMATE.start_main_~x~4 454), 162614#(<= ULTIMATE.start_main_~x~4 464), 162615#(<= ULTIMATE.start_main_~x~4 466), 162612#(<= ULTIMATE.start_main_~x~4 460), 162613#(<= ULTIMATE.start_main_~x~4 462), 162618#(<= ULTIMATE.start_main_~x~4 472), 162619#(<= ULTIMATE.start_main_~x~4 474), 162616#(<= ULTIMATE.start_main_~x~4 468), 162617#(<= ULTIMATE.start_main_~x~4 470), 162622#(<= ULTIMATE.start_main_~x~4 480), 162623#(<= ULTIMATE.start_main_~x~4 482), 162620#(<= ULTIMATE.start_main_~x~4 476), 162621#(<= ULTIMATE.start_main_~x~4 478), 162626#(<= ULTIMATE.start_main_~x~4 488), 162627#(<= ULTIMATE.start_main_~x~4 490), 162624#(<= ULTIMATE.start_main_~x~4 484), 162625#(<= ULTIMATE.start_main_~x~4 486), 162630#(<= ULTIMATE.start_main_~x~4 496), 162631#(<= ULTIMATE.start_main_~x~4 498), 162628#(<= ULTIMATE.start_main_~x~4 492), 162629#(<= ULTIMATE.start_main_~x~4 494), 162634#(<= ULTIMATE.start_main_~x~4 504), 162635#(<= ULTIMATE.start_main_~x~4 506), 162632#(<= ULTIMATE.start_main_~x~4 500), 162633#(<= ULTIMATE.start_main_~x~4 502), 162636#(<= ULTIMATE.start_main_~x~4 508), 162637#(<= ULTIMATE.start_main_~x~4 510)] [2018-07-23 13:45:24,688 INFO L134 CoverageAnalysis]: Checked inductivity of 31375 backedges. 0 proven. 31375 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2018-07-23 13:45:24,688 INFO L450 AbstractCegarLoop]: Interpolant automaton has 253 states [2018-07-23 13:45:24,692 INFO L132 InterpolantAutomaton]: Constructing interpolant automaton starting with 253 interpolants. [2018-07-23 13:45:24,695 INFO L133 InterpolantAutomaton]: CoverageRelationStatistics Valid=31878, Invalid=31878, Unknown=0, NotChecked=0, Total=63756 [2018-07-23 13:45:24,695 INFO L87 Difference]: Start difference. First operand 254 states and 254 transitions. Second operand 253 states. [2018-07-23 13:45:26,715 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2018-07-23 13:45:26,716 INFO L93 Difference]: Finished difference Result 257 states and 257 transitions. [2018-07-23 13:45:26,716 INFO L142 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 253 states. [2018-07-23 13:45:26,716 INFO L78 Accepts]: Start accepts. Automaton has 253 states. Word has length 253 [2018-07-23 13:45:26,716 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2018-07-23 13:45:26,716 INFO L225 Difference]: With dead ends: 257 [2018-07-23 13:45:26,716 INFO L226 Difference]: Without dead ends: 255 [2018-07-23 13:45:26,720 INFO L575 BasicCegarLoop]: 0 DeclaredPredicates, 252 GetRequests, 1 SyntacticMatches, 0 SemanticMatches, 251 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 0 ImplicationChecksByTransitivity, 1.3s TimeCoverageRelationStatistics Valid=31878, Invalid=31878, Unknown=0, NotChecked=0, Total=63756 [2018-07-23 13:45:26,720 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 255 states. [2018-07-23 13:45:26,722 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 255 to 255. [2018-07-23 13:45:26,722 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 255 states. [2018-07-23 13:45:26,722 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 255 states to 255 states and 255 transitions. [2018-07-23 13:45:26,722 INFO L78 Accepts]: Start accepts. Automaton has 255 states and 255 transitions. Word has length 253 [2018-07-23 13:45:26,722 INFO L84 Accepts]: Finished accepts. word is rejected. [2018-07-23 13:45:26,722 INFO L471 AbstractCegarLoop]: Abstraction has 255 states and 255 transitions. [2018-07-23 13:45:26,722 INFO L472 AbstractCegarLoop]: Interpolant automaton has 253 states. [2018-07-23 13:45:26,723 INFO L276 IsEmpty]: Start isEmpty. Operand 255 states and 255 transitions. [2018-07-23 13:45:26,723 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 255 [2018-07-23 13:45:26,723 INFO L349 BasicCegarLoop]: Found error trace [2018-07-23 13:45:26,723 INFO L357 BasicCegarLoop]: trace histogram [251, 1, 1, 1] [2018-07-23 13:45:26,723 INFO L414 AbstractCegarLoop]: === Iteration 252 === [ULTIMATE.startErr0AssertViolationASSERT]=== [2018-07-23 13:45:26,723 INFO L82 PathProgramCache]: Analyzing trace with hash -1115591224, now seen corresponding path program 251 times [2018-07-23 13:45:26,724 INFO L69 tionRefinementEngine]: Using refinement strategy FixedRefinementStrategy [2018-07-23 13:45:26,742 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-07-23 13:45:28,104 INFO L134 CoverageAnalysis]: Checked inductivity of 31626 backedges. 0 proven. 31626 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2018-07-23 13:45:28,104 INFO L309 seRefinementStrategy]: Constructing automaton from 0 perfect and 1 imperfect interpolant sequences. [2018-07-23 13:45:28,105 INFO L324 seRefinementStrategy]: Number of different interpolants: perfect sequences [] imperfect sequences [253] total 253 [2018-07-23 13:45:28,105 INFO L142 lantAutomatonBuilder]: Constructing canonical interpolant automaton, with selfloop in false state [2018-07-23 13:45:28,105 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 13:45:28,105 INFO L185 omatonBuilderFactory]: Interpolants [163842#(<= ULTIMATE.start_main_~x~4 366), 163843#(<= ULTIMATE.start_main_~x~4 368), 163840#(<= ULTIMATE.start_main_~x~4 362), 163841#(<= ULTIMATE.start_main_~x~4 364), 163846#(<= ULTIMATE.start_main_~x~4 374), 163847#(<= ULTIMATE.start_main_~x~4 376), 163844#(<= ULTIMATE.start_main_~x~4 370), 163845#(<= ULTIMATE.start_main_~x~4 372), 163850#(<= ULTIMATE.start_main_~x~4 382), 163851#(<= ULTIMATE.start_main_~x~4 384), 163848#(<= ULTIMATE.start_main_~x~4 378), 163849#(<= ULTIMATE.start_main_~x~4 380), 163854#(<= ULTIMATE.start_main_~x~4 390), 163855#(<= ULTIMATE.start_main_~x~4 392), 163852#(<= ULTIMATE.start_main_~x~4 386), 163853#(<= ULTIMATE.start_main_~x~4 388), 163858#(<= ULTIMATE.start_main_~x~4 398), 163859#(<= ULTIMATE.start_main_~x~4 400), 163856#(<= ULTIMATE.start_main_~x~4 394), 163857#(<= ULTIMATE.start_main_~x~4 396), 163862#(<= ULTIMATE.start_main_~x~4 406), 163863#(<= ULTIMATE.start_main_~x~4 408), 163860#(<= ULTIMATE.start_main_~x~4 402), 163861#(<= ULTIMATE.start_main_~x~4 404), 163866#(<= ULTIMATE.start_main_~x~4 414), 163867#(<= ULTIMATE.start_main_~x~4 416), 163864#(<= ULTIMATE.start_main_~x~4 410), 163865#(<= ULTIMATE.start_main_~x~4 412), 163870#(<= ULTIMATE.start_main_~x~4 422), 163871#(<= ULTIMATE.start_main_~x~4 424), 163868#(<= ULTIMATE.start_main_~x~4 418), 163869#(<= ULTIMATE.start_main_~x~4 420), 163874#(<= ULTIMATE.start_main_~x~4 430), 163875#(<= ULTIMATE.start_main_~x~4 432), 163872#(<= ULTIMATE.start_main_~x~4 426), 163873#(<= ULTIMATE.start_main_~x~4 428), 163878#(<= ULTIMATE.start_main_~x~4 438), 163879#(<= ULTIMATE.start_main_~x~4 440), 163876#(<= ULTIMATE.start_main_~x~4 434), 163877#(<= ULTIMATE.start_main_~x~4 436), 163882#(<= ULTIMATE.start_main_~x~4 446), 163883#(<= ULTIMATE.start_main_~x~4 448), 163880#(<= ULTIMATE.start_main_~x~4 442), 163881#(<= ULTIMATE.start_main_~x~4 444), 163886#(<= ULTIMATE.start_main_~x~4 454), 163887#(<= ULTIMATE.start_main_~x~4 456), 163884#(<= ULTIMATE.start_main_~x~4 450), 163885#(<= ULTIMATE.start_main_~x~4 452), 163890#(<= ULTIMATE.start_main_~x~4 462), 163891#(<= ULTIMATE.start_main_~x~4 464), 163888#(<= ULTIMATE.start_main_~x~4 458), 163889#(<= ULTIMATE.start_main_~x~4 460), 163894#(<= ULTIMATE.start_main_~x~4 470), 163895#(<= ULTIMATE.start_main_~x~4 472), 163892#(<= ULTIMATE.start_main_~x~4 466), 163893#(<= ULTIMATE.start_main_~x~4 468), 163898#(<= ULTIMATE.start_main_~x~4 478), 163899#(<= ULTIMATE.start_main_~x~4 480), 163896#(<= ULTIMATE.start_main_~x~4 474), 163897#(<= ULTIMATE.start_main_~x~4 476), 163902#(<= ULTIMATE.start_main_~x~4 486), 163903#(<= ULTIMATE.start_main_~x~4 488), 163900#(<= ULTIMATE.start_main_~x~4 482), 163901#(<= ULTIMATE.start_main_~x~4 484), 163906#(<= ULTIMATE.start_main_~x~4 494), 163907#(<= ULTIMATE.start_main_~x~4 496), 163904#(<= ULTIMATE.start_main_~x~4 490), 163905#(<= ULTIMATE.start_main_~x~4 492), 163910#(<= ULTIMATE.start_main_~x~4 502), 163911#(<= ULTIMATE.start_main_~x~4 504), 163908#(<= ULTIMATE.start_main_~x~4 498), 163909#(<= ULTIMATE.start_main_~x~4 500), 163914#(<= ULTIMATE.start_main_~x~4 510), 163915#(<= ULTIMATE.start_main_~x~4 512), 163912#(<= ULTIMATE.start_main_~x~4 506), 163913#(<= ULTIMATE.start_main_~x~4 508), 163662#true, 163663#false, 163666#(<= ULTIMATE.start_main_~x~4 14), 163667#(<= ULTIMATE.start_main_~x~4 16), 163664#(<= ULTIMATE.start_main_~x~4 10), 163665#(<= ULTIMATE.start_main_~x~4 12), 163670#(<= ULTIMATE.start_main_~x~4 22), 163671#(<= ULTIMATE.start_main_~x~4 24), 163668#(<= ULTIMATE.start_main_~x~4 18), 163669#(<= ULTIMATE.start_main_~x~4 20), 163674#(<= ULTIMATE.start_main_~x~4 30), 163675#(<= ULTIMATE.start_main_~x~4 32), 163672#(<= ULTIMATE.start_main_~x~4 26), 163673#(<= ULTIMATE.start_main_~x~4 28), 163678#(<= ULTIMATE.start_main_~x~4 38), 163679#(<= ULTIMATE.start_main_~x~4 40), 163676#(<= ULTIMATE.start_main_~x~4 34), 163677#(<= ULTIMATE.start_main_~x~4 36), 163682#(<= ULTIMATE.start_main_~x~4 46), 163683#(<= ULTIMATE.start_main_~x~4 48), 163680#(<= ULTIMATE.start_main_~x~4 42), 163681#(<= ULTIMATE.start_main_~x~4 44), 163686#(<= ULTIMATE.start_main_~x~4 54), 163687#(<= ULTIMATE.start_main_~x~4 56), 163684#(<= ULTIMATE.start_main_~x~4 50), 163685#(<= ULTIMATE.start_main_~x~4 52), 163690#(<= ULTIMATE.start_main_~x~4 62), 163691#(<= ULTIMATE.start_main_~x~4 64), 163688#(<= ULTIMATE.start_main_~x~4 58), 163689#(<= ULTIMATE.start_main_~x~4 60), 163694#(<= ULTIMATE.start_main_~x~4 70), 163695#(<= ULTIMATE.start_main_~x~4 72), 163692#(<= ULTIMATE.start_main_~x~4 66), 163693#(<= ULTIMATE.start_main_~x~4 68), 163698#(<= ULTIMATE.start_main_~x~4 78), 163699#(<= ULTIMATE.start_main_~x~4 80), 163696#(<= ULTIMATE.start_main_~x~4 74), 163697#(<= ULTIMATE.start_main_~x~4 76), 163702#(<= ULTIMATE.start_main_~x~4 86), 163703#(<= ULTIMATE.start_main_~x~4 88), 163700#(<= ULTIMATE.start_main_~x~4 82), 163701#(<= ULTIMATE.start_main_~x~4 84), 163706#(<= ULTIMATE.start_main_~x~4 94), 163707#(<= ULTIMATE.start_main_~x~4 96), 163704#(<= ULTIMATE.start_main_~x~4 90), 163705#(<= ULTIMATE.start_main_~x~4 92), 163710#(<= ULTIMATE.start_main_~x~4 102), 163711#(<= ULTIMATE.start_main_~x~4 104), 163708#(<= ULTIMATE.start_main_~x~4 98), 163709#(<= ULTIMATE.start_main_~x~4 100), 163714#(<= ULTIMATE.start_main_~x~4 110), 163715#(<= ULTIMATE.start_main_~x~4 112), 163712#(<= ULTIMATE.start_main_~x~4 106), 163713#(<= ULTIMATE.start_main_~x~4 108), 163718#(<= ULTIMATE.start_main_~x~4 118), 163719#(<= ULTIMATE.start_main_~x~4 120), 163716#(<= ULTIMATE.start_main_~x~4 114), 163717#(<= ULTIMATE.start_main_~x~4 116), 163722#(<= ULTIMATE.start_main_~x~4 126), 163723#(<= ULTIMATE.start_main_~x~4 128), 163720#(<= ULTIMATE.start_main_~x~4 122), 163721#(<= ULTIMATE.start_main_~x~4 124), 163726#(<= ULTIMATE.start_main_~x~4 134), 163727#(<= ULTIMATE.start_main_~x~4 136), 163724#(<= ULTIMATE.start_main_~x~4 130), 163725#(<= ULTIMATE.start_main_~x~4 132), 163730#(<= ULTIMATE.start_main_~x~4 142), 163731#(<= ULTIMATE.start_main_~x~4 144), 163728#(<= ULTIMATE.start_main_~x~4 138), 163729#(<= ULTIMATE.start_main_~x~4 140), 163734#(<= ULTIMATE.start_main_~x~4 150), 163735#(<= ULTIMATE.start_main_~x~4 152), 163732#(<= ULTIMATE.start_main_~x~4 146), 163733#(<= ULTIMATE.start_main_~x~4 148), 163738#(<= ULTIMATE.start_main_~x~4 158), 163739#(<= ULTIMATE.start_main_~x~4 160), 163736#(<= ULTIMATE.start_main_~x~4 154), 163737#(<= ULTIMATE.start_main_~x~4 156), 163742#(<= ULTIMATE.start_main_~x~4 166), 163743#(<= ULTIMATE.start_main_~x~4 168), 163740#(<= ULTIMATE.start_main_~x~4 162), 163741#(<= ULTIMATE.start_main_~x~4 164), 163746#(<= ULTIMATE.start_main_~x~4 174), 163747#(<= ULTIMATE.start_main_~x~4 176), 163744#(<= ULTIMATE.start_main_~x~4 170), 163745#(<= ULTIMATE.start_main_~x~4 172), 163750#(<= ULTIMATE.start_main_~x~4 182), 163751#(<= ULTIMATE.start_main_~x~4 184), 163748#(<= ULTIMATE.start_main_~x~4 178), 163749#(<= ULTIMATE.start_main_~x~4 180), 163754#(<= ULTIMATE.start_main_~x~4 190), 163755#(<= ULTIMATE.start_main_~x~4 192), 163752#(<= ULTIMATE.start_main_~x~4 186), 163753#(<= ULTIMATE.start_main_~x~4 188), 163758#(<= ULTIMATE.start_main_~x~4 198), 163759#(<= ULTIMATE.start_main_~x~4 200), 163756#(<= ULTIMATE.start_main_~x~4 194), 163757#(<= ULTIMATE.start_main_~x~4 196), 163762#(<= ULTIMATE.start_main_~x~4 206), 163763#(<= ULTIMATE.start_main_~x~4 208), 163760#(<= ULTIMATE.start_main_~x~4 202), 163761#(<= ULTIMATE.start_main_~x~4 204), 163766#(<= ULTIMATE.start_main_~x~4 214), 163767#(<= ULTIMATE.start_main_~x~4 216), 163764#(<= ULTIMATE.start_main_~x~4 210), 163765#(<= ULTIMATE.start_main_~x~4 212), 163770#(<= ULTIMATE.start_main_~x~4 222), 163771#(<= ULTIMATE.start_main_~x~4 224), 163768#(<= ULTIMATE.start_main_~x~4 218), 163769#(<= ULTIMATE.start_main_~x~4 220), 163774#(<= ULTIMATE.start_main_~x~4 230), 163775#(<= ULTIMATE.start_main_~x~4 232), 163772#(<= ULTIMATE.start_main_~x~4 226), 163773#(<= ULTIMATE.start_main_~x~4 228), 163778#(<= ULTIMATE.start_main_~x~4 238), 163779#(<= ULTIMATE.start_main_~x~4 240), 163776#(<= ULTIMATE.start_main_~x~4 234), 163777#(<= ULTIMATE.start_main_~x~4 236), 163782#(<= ULTIMATE.start_main_~x~4 246), 163783#(<= ULTIMATE.start_main_~x~4 248), 163780#(<= ULTIMATE.start_main_~x~4 242), 163781#(<= ULTIMATE.start_main_~x~4 244), 163786#(<= ULTIMATE.start_main_~x~4 254), 163787#(<= ULTIMATE.start_main_~x~4 256), 163784#(<= ULTIMATE.start_main_~x~4 250), 163785#(<= ULTIMATE.start_main_~x~4 252), 163790#(<= ULTIMATE.start_main_~x~4 262), 163791#(<= ULTIMATE.start_main_~x~4 264), 163788#(<= ULTIMATE.start_main_~x~4 258), 163789#(<= ULTIMATE.start_main_~x~4 260), 163794#(<= ULTIMATE.start_main_~x~4 270), 163795#(<= ULTIMATE.start_main_~x~4 272), 163792#(<= ULTIMATE.start_main_~x~4 266), 163793#(<= ULTIMATE.start_main_~x~4 268), 163798#(<= ULTIMATE.start_main_~x~4 278), 163799#(<= ULTIMATE.start_main_~x~4 280), 163796#(<= ULTIMATE.start_main_~x~4 274), 163797#(<= ULTIMATE.start_main_~x~4 276), 163802#(<= ULTIMATE.start_main_~x~4 286), 163803#(<= ULTIMATE.start_main_~x~4 288), 163800#(<= ULTIMATE.start_main_~x~4 282), 163801#(<= ULTIMATE.start_main_~x~4 284), 163806#(<= ULTIMATE.start_main_~x~4 294), 163807#(<= ULTIMATE.start_main_~x~4 296), 163804#(<= ULTIMATE.start_main_~x~4 290), 163805#(<= ULTIMATE.start_main_~x~4 292), 163810#(<= ULTIMATE.start_main_~x~4 302), 163811#(<= ULTIMATE.start_main_~x~4 304), 163808#(<= ULTIMATE.start_main_~x~4 298), 163809#(<= ULTIMATE.start_main_~x~4 300), 163814#(<= ULTIMATE.start_main_~x~4 310), 163815#(<= ULTIMATE.start_main_~x~4 312), 163812#(<= ULTIMATE.start_main_~x~4 306), 163813#(<= ULTIMATE.start_main_~x~4 308), 163818#(<= ULTIMATE.start_main_~x~4 318), 163819#(<= ULTIMATE.start_main_~x~4 320), 163816#(<= ULTIMATE.start_main_~x~4 314), 163817#(<= ULTIMATE.start_main_~x~4 316), 163822#(<= ULTIMATE.start_main_~x~4 326), 163823#(<= ULTIMATE.start_main_~x~4 328), 163820#(<= ULTIMATE.start_main_~x~4 322), 163821#(<= ULTIMATE.start_main_~x~4 324), 163826#(<= ULTIMATE.start_main_~x~4 334), 163827#(<= ULTIMATE.start_main_~x~4 336), 163824#(<= ULTIMATE.start_main_~x~4 330), 163825#(<= ULTIMATE.start_main_~x~4 332), 163830#(<= ULTIMATE.start_main_~x~4 342), 163831#(<= ULTIMATE.start_main_~x~4 344), 163828#(<= ULTIMATE.start_main_~x~4 338), 163829#(<= ULTIMATE.start_main_~x~4 340), 163834#(<= ULTIMATE.start_main_~x~4 350), 163835#(<= ULTIMATE.start_main_~x~4 352), 163832#(<= ULTIMATE.start_main_~x~4 346), 163833#(<= ULTIMATE.start_main_~x~4 348), 163838#(<= ULTIMATE.start_main_~x~4 358), 163839#(<= ULTIMATE.start_main_~x~4 360), 163836#(<= ULTIMATE.start_main_~x~4 354), 163837#(<= ULTIMATE.start_main_~x~4 356)] [2018-07-23 13:45:28,107 INFO L134 CoverageAnalysis]: Checked inductivity of 31626 backedges. 0 proven. 31626 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2018-07-23 13:45:28,107 INFO L450 AbstractCegarLoop]: Interpolant automaton has 254 states [2018-07-23 13:45:28,112 INFO L132 InterpolantAutomaton]: Constructing interpolant automaton starting with 254 interpolants. [2018-07-23 13:45:28,115 INFO L133 InterpolantAutomaton]: CoverageRelationStatistics Valid=32131, Invalid=32131, Unknown=0, NotChecked=0, Total=64262 [2018-07-23 13:45:28,115 INFO L87 Difference]: Start difference. First operand 255 states and 255 transitions. Second operand 254 states. [2018-07-23 13:45:28,984 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2018-07-23 13:45:28,984 INFO L93 Difference]: Finished difference Result 258 states and 258 transitions. [2018-07-23 13:45:28,984 INFO L142 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 254 states. [2018-07-23 13:45:28,984 INFO L78 Accepts]: Start accepts. Automaton has 254 states. Word has length 254 [2018-07-23 13:45:28,984 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2018-07-23 13:45:28,985 INFO L225 Difference]: With dead ends: 258 [2018-07-23 13:45:28,985 INFO L226 Difference]: Without dead ends: 256 [2018-07-23 13:45:28,990 INFO L575 BasicCegarLoop]: 0 DeclaredPredicates, 253 GetRequests, 1 SyntacticMatches, 0 SemanticMatches, 252 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 0 ImplicationChecksByTransitivity, 1.2s TimeCoverageRelationStatistics Valid=32131, Invalid=32131, Unknown=0, NotChecked=0, Total=64262 [2018-07-23 13:45:28,991 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 256 states. [2018-07-23 13:45:28,993 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 256 to 256. [2018-07-23 13:45:28,993 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 256 states. [2018-07-23 13:45:28,993 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 256 states to 256 states and 256 transitions. [2018-07-23 13:45:28,994 INFO L78 Accepts]: Start accepts. Automaton has 256 states and 256 transitions. Word has length 254 [2018-07-23 13:45:28,994 INFO L84 Accepts]: Finished accepts. word is rejected. [2018-07-23 13:45:28,994 INFO L471 AbstractCegarLoop]: Abstraction has 256 states and 256 transitions. [2018-07-23 13:45:28,994 INFO L472 AbstractCegarLoop]: Interpolant automaton has 254 states. [2018-07-23 13:45:28,994 INFO L276 IsEmpty]: Start isEmpty. Operand 256 states and 256 transitions. [2018-07-23 13:45:28,995 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 256 [2018-07-23 13:45:28,995 INFO L349 BasicCegarLoop]: Found error trace [2018-07-23 13:45:28,995 INFO L357 BasicCegarLoop]: trace histogram [252, 1, 1, 1] [2018-07-23 13:45:28,995 INFO L414 AbstractCegarLoop]: === Iteration 253 === [ULTIMATE.startErr0AssertViolationASSERT]=== [2018-07-23 13:45:28,995 INFO L82 PathProgramCache]: Analyzing trace with hash -223591551, now seen corresponding path program 252 times [2018-07-23 13:45:28,996 INFO L69 tionRefinementEngine]: Using refinement strategy FixedRefinementStrategy [2018-07-23 13:45:29,018 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-07-23 13:45:30,451 INFO L134 CoverageAnalysis]: Checked inductivity of 31878 backedges. 0 proven. 31878 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2018-07-23 13:45:30,452 INFO L309 seRefinementStrategy]: Constructing automaton from 0 perfect and 1 imperfect interpolant sequences. [2018-07-23 13:45:30,452 INFO L324 seRefinementStrategy]: Number of different interpolants: perfect sequences [] imperfect sequences [254] total 254 [2018-07-23 13:45:30,452 INFO L142 lantAutomatonBuilder]: Constructing canonical interpolant automaton, with selfloop in false state [2018-07-23 13:45:30,452 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2018-07-23 13:45:30,453 INFO L185 omatonBuilderFactory]: Interpolants [164946#(<= ULTIMATE.start_main_~x~4 10), 164947#(<= ULTIMATE.start_main_~x~4 12), 164944#true, 164945#false, 164950#(<= ULTIMATE.start_main_~x~4 18), 164951#(<= ULTIMATE.start_main_~x~4 20), 164948#(<= ULTIMATE.start_main_~x~4 14), 164949#(<= ULTIMATE.start_main_~x~4 16), 164954#(<= ULTIMATE.start_main_~x~4 26), 164955#(<= ULTIMATE.start_main_~x~4 28), 164952#(<= ULTIMATE.start_main_~x~4 22), 164953#(<= ULTIMATE.start_main_~x~4 24), 164958#(<= ULTIMATE.start_main_~x~4 34), 164959#(<= ULTIMATE.start_main_~x~4 36), 164956#(<= ULTIMATE.start_main_~x~4 30), 164957#(<= ULTIMATE.start_main_~x~4 32), 164962#(<= ULTIMATE.start_main_~x~4 42), 164963#(<= ULTIMATE.start_main_~x~4 44), 164960#(<= ULTIMATE.start_main_~x~4 38), 164961#(<= ULTIMATE.start_main_~x~4 40), 164966#(<= ULTIMATE.start_main_~x~4 50), 164967#(<= ULTIMATE.start_main_~x~4 52), 164964#(<= ULTIMATE.start_main_~x~4 46), 164965#(<= ULTIMATE.start_main_~x~4 48), 164970#(<= ULTIMATE.start_main_~x~4 58), 164971#(<= ULTIMATE.start_main_~x~4 60), 164968#(<= ULTIMATE.start_main_~x~4 54), 164969#(<= ULTIMATE.start_main_~x~4 56), 164974#(<= ULTIMATE.start_main_~x~4 66), 164975#(<= ULTIMATE.start_main_~x~4 68), 164972#(<= ULTIMATE.start_main_~x~4 62), 164973#(<= ULTIMATE.start_main_~x~4 64), 164978#(<= ULTIMATE.start_main_~x~4 74), 164979#(<= ULTIMATE.start_main_~x~4 76), 164976#(<= ULTIMATE.start_main_~x~4 70), 164977#(<= ULTIMATE.start_main_~x~4 72), 164982#(<= ULTIMATE.start_main_~x~4 82), 164983#(<= ULTIMATE.start_main_~x~4 84), 164980#(<= ULTIMATE.start_main_~x~4 78), 164981#(<= ULTIMATE.start_main_~x~4 80), 164986#(<= ULTIMATE.start_main_~x~4 90), 164987#(<= ULTIMATE.start_main_~x~4 92), 164984#(<= ULTIMATE.start_main_~x~4 86), 164985#(<= ULTIMATE.start_main_~x~4 88), 164990#(<= ULTIMATE.start_main_~x~4 98), 164991#(<= ULTIMATE.start_main_~x~4 100), 164988#(<= ULTIMATE.start_main_~x~4 94), 164989#(<= ULTIMATE.start_main_~x~4 96), 164994#(<= ULTIMATE.start_main_~x~4 106), 164995#(<= ULTIMATE.start_main_~x~4 108), 164992#(<= ULTIMATE.start_main_~x~4 102), 164993#(<= ULTIMATE.start_main_~x~4 104), 164998#(<= ULTIMATE.start_main_~x~4 114), 164999#(<= ULTIMATE.start_main_~x~4 116), 164996#(<= ULTIMATE.start_main_~x~4 110), 164997#(<= ULTIMATE.start_main_~x~4 112), 165002#(<= ULTIMATE.start_main_~x~4 122), 165003#(<= ULTIMATE.start_main_~x~4 124), 165000#(<= ULTIMATE.start_main_~x~4 118), 165001#(<= ULTIMATE.start_main_~x~4 120), 165006#(<= ULTIMATE.start_main_~x~4 130), 165007#(<= ULTIMATE.start_main_~x~4 132), 165004#(<= ULTIMATE.start_main_~x~4 126), 165005#(<= ULTIMATE.start_main_~x~4 128), 165010#(<= ULTIMATE.start_main_~x~4 138), 165011#(<= ULTIMATE.start_main_~x~4 140), 165008#(<= ULTIMATE.start_main_~x~4 134), 165009#(<= ULTIMATE.start_main_~x~4 136), 165014#(<= ULTIMATE.start_main_~x~4 146), 165015#(<= ULTIMATE.start_main_~x~4 148), 165012#(<= ULTIMATE.start_main_~x~4 142), 165013#(<= ULTIMATE.start_main_~x~4 144), 165018#(<= ULTIMATE.start_main_~x~4 154), 165019#(<= ULTIMATE.start_main_~x~4 156), 165016#(<= ULTIMATE.start_main_~x~4 150), 165017#(<= ULTIMATE.start_main_~x~4 152), 165022#(<= ULTIMATE.start_main_~x~4 162), 165023#(<= ULTIMATE.start_main_~x~4 164), 165020#(<= ULTIMATE.start_main_~x~4 158), 165021#(<= ULTIMATE.start_main_~x~4 160), 165026#(<= ULTIMATE.start_main_~x~4 170), 165027#(<= ULTIMATE.start_main_~x~4 172), 165024#(<= ULTIMATE.start_main_~x~4 166), 165025#(<= ULTIMATE.start_main_~x~4 168), 165030#(<= ULTIMATE.start_main_~x~4 178), 165031#(<= ULTIMATE.start_main_~x~4 180), 165028#(<= ULTIMATE.start_main_~x~4 174), 165029#(<= ULTIMATE.start_main_~x~4 176), 165034#(<= ULTIMATE.start_main_~x~4 186), 165035#(<= ULTIMATE.start_main_~x~4 188), 165032#(<= ULTIMATE.start_main_~x~4 182), 165033#(<= ULTIMATE.start_main_~x~4 184), 165038#(<= ULTIMATE.start_main_~x~4 194), 165039#(<= ULTIMATE.start_main_~x~4 196), 165036#(<= ULTIMATE.start_main_~x~4 190), 165037#(<= ULTIMATE.start_main_~x~4 192), 165042#(<= ULTIMATE.start_main_~x~4 202), 165043#(<= ULTIMATE.start_main_~x~4 204), 165040#(<= ULTIMATE.start_main_~x~4 198), 165041#(<= ULTIMATE.start_main_~x~4 200), 165046#(<= ULTIMATE.start_main_~x~4 210), 165047#(<= ULTIMATE.start_main_~x~4 212), 165044#(<= ULTIMATE.start_main_~x~4 206), 165045#(<= ULTIMATE.start_main_~x~4 208), 165050#(<= ULTIMATE.start_main_~x~4 218), 165051#(<= ULTIMATE.start_main_~x~4 220), 165048#(<= ULTIMATE.start_main_~x~4 214), 165049#(<= ULTIMATE.start_main_~x~4 216), 165054#(<= ULTIMATE.start_main_~x~4 226), 165055#(<= ULTIMATE.start_main_~x~4 228), 165052#(<= ULTIMATE.start_main_~x~4 222), 165053#(<= ULTIMATE.start_main_~x~4 224), 165058#(<= ULTIMATE.start_main_~x~4 234), 165059#(<= ULTIMATE.start_main_~x~4 236), 165056#(<= ULTIMATE.start_main_~x~4 230), 165057#(<= ULTIMATE.start_main_~x~4 232), 165062#(<= ULTIMATE.start_main_~x~4 242), 165063#(<= ULTIMATE.start_main_~x~4 244), 165060#(<= ULTIMATE.start_main_~x~4 238), 165061#(<= ULTIMATE.start_main_~x~4 240), 165066#(<= ULTIMATE.start_main_~x~4 250), 165067#(<= ULTIMATE.start_main_~x~4 252), 165064#(<= ULTIMATE.start_main_~x~4 246), 165065#(<= ULTIMATE.start_main_~x~4 248), 165070#(<= ULTIMATE.start_main_~x~4 258), 165071#(<= ULTIMATE.start_main_~x~4 260), 165068#(<= ULTIMATE.start_main_~x~4 254), 165069#(<= ULTIMATE.start_main_~x~4 256), 165074#(<= ULTIMATE.start_main_~x~4 266), 165075#(<= ULTIMATE.start_main_~x~4 268), 165072#(<= ULTIMATE.start_main_~x~4 262), 165073#(<= ULTIMATE.start_main_~x~4 264), 165078#(<= ULTIMATE.start_main_~x~4 274), 165079#(<= ULTIMATE.start_main_~x~4 276), 165076#(<= ULTIMATE.start_main_~x~4 270), 165077#(<= ULTIMATE.start_main_~x~4 272), 165082#(<= ULTIMATE.start_main_~x~4 282), 165083#(<= ULTIMATE.start_main_~x~4 284), 165080#(<= ULTIMATE.start_main_~x~4 278), 165081#(<= ULTIMATE.start_main_~x~4 280), 165086#(<= ULTIMATE.start_main_~x~4 290), 165087#(<= ULTIMATE.start_main_~x~4 292), 165084#(<= ULTIMATE.start_main_~x~4 286), 165085#(<= ULTIMATE.start_main_~x~4 288), 165090#(<= ULTIMATE.start_main_~x~4 298), 165091#(<= ULTIMATE.start_main_~x~4 300), 165088#(<= ULTIMATE.start_main_~x~4 294), 165089#(<= ULTIMATE.start_main_~x~4 296), 165094#(<= ULTIMATE.start_main_~x~4 306), 165095#(<= ULTIMATE.start_main_~x~4 308), 165092#(<= ULTIMATE.start_main_~x~4 302), 165093#(<= ULTIMATE.start_main_~x~4 304), 165098#(<= ULTIMATE.start_main_~x~4 314), 165099#(<= ULTIMATE.start_main_~x~4 316), 165096#(<= ULTIMATE.start_main_~x~4 310), 165097#(<= ULTIMATE.start_main_~x~4 312), 165102#(<= ULTIMATE.start_main_~x~4 322), 165103#(<= ULTIMATE.start_main_~x~4 324), 165100#(<= ULTIMATE.start_main_~x~4 318), 165101#(<= ULTIMATE.start_main_~x~4 320), 165106#(<= ULTIMATE.start_main_~x~4 330), 165107#(<= ULTIMATE.start_main_~x~4 332), 165104#(<= ULTIMATE.start_main_~x~4 326), 165105#(<= ULTIMATE.start_main_~x~4 328), 165110#(<= ULTIMATE.start_main_~x~4 338), 165111#(<= ULTIMATE.start_main_~x~4 340), 165108#(<= ULTIMATE.start_main_~x~4 334), 165109#(<= ULTIMATE.start_main_~x~4 336), 165114#(<= ULTIMATE.start_main_~x~4 346), 165115#(<= ULTIMATE.start_main_~x~4 348), 165112#(<= ULTIMATE.start_main_~x~4 342), 165113#(<= ULTIMATE.start_main_~x~4 344), 165118#(<= ULTIMATE.start_main_~x~4 354), 165119#(<= ULTIMATE.start_main_~x~4 356), 165116#(<= ULTIMATE.start_main_~x~4 350), 165117#(<= ULTIMATE.start_main_~x~4 352), 165122#(<= ULTIMATE.start_main_~x~4 362), 165123#(<= ULTIMATE.start_main_~x~4 364), 165120#(<= ULTIMATE.start_main_~x~4 358), 165121#(<= ULTIMATE.start_main_~x~4 360), 165126#(<= ULTIMATE.start_main_~x~4 370), 165127#(<= ULTIMATE.start_main_~x~4 372), 165124#(<= ULTIMATE.start_main_~x~4 366), 165125#(<= ULTIMATE.start_main_~x~4 368), 165130#(<= ULTIMATE.start_main_~x~4 378), 165131#(<= ULTIMATE.start_main_~x~4 380), 165128#(<= ULTIMATE.start_main_~x~4 374), 165129#(<= ULTIMATE.start_main_~x~4 376), 165134#(<= ULTIMATE.start_main_~x~4 386), 165135#(<= ULTIMATE.start_main_~x~4 388), 165132#(<= ULTIMATE.start_main_~x~4 382), 165133#(<= ULTIMATE.start_main_~x~4 384), 165138#(<= ULTIMATE.start_main_~x~4 394), 165139#(<= ULTIMATE.start_main_~x~4 396), 165136#(<= ULTIMATE.start_main_~x~4 390), 165137#(<= ULTIMATE.start_main_~x~4 392), 165142#(<= ULTIMATE.start_main_~x~4 402), 165143#(<= ULTIMATE.start_main_~x~4 404), 165140#(<= ULTIMATE.start_main_~x~4 398), 165141#(<= ULTIMATE.start_main_~x~4 400), 165146#(<= ULTIMATE.start_main_~x~4 410), 165147#(<= ULTIMATE.start_main_~x~4 412), 165144#(<= ULTIMATE.start_main_~x~4 406), 165145#(<= ULTIMATE.start_main_~x~4 408), 165150#(<= ULTIMATE.start_main_~x~4 418), 165151#(<= ULTIMATE.start_main_~x~4 420), 165148#(<= ULTIMATE.start_main_~x~4 414), 165149#(<= ULTIMATE.start_main_~x~4 416), 165154#(<= ULTIMATE.start_main_~x~4 426), 165155#(<= ULTIMATE.start_main_~x~4 428), 165152#(<= ULTIMATE.start_main_~x~4 422), 165153#(<= ULTIMATE.start_main_~x~4 424), 165158#(<= ULTIMATE.start_main_~x~4 434), 165159#(<= ULTIMATE.start_main_~x~4 436), 165156#(<= ULTIMATE.start_main_~x~4 430), 165157#(<= ULTIMATE.start_main_~x~4 432), 165162#(<= ULTIMATE.start_main_~x~4 442), 165163#(<= ULTIMATE.start_main_~x~4 444), 165160#(<= ULTIMATE.start_main_~x~4 438), 165161#(<= ULTIMATE.start_main_~x~4 440), 165166#(<= ULTIMATE.start_main_~x~4 450), 165167#(<= ULTIMATE.start_main_~x~4 452), 165164#(<= ULTIMATE.start_main_~x~4 446), 165165#(<= ULTIMATE.start_main_~x~4 448), 165170#(<= ULTIMATE.start_main_~x~4 458), 165171#(<= ULTIMATE.start_main_~x~4 460), 165168#(<= ULTIMATE.start_main_~x~4 454), 165169#(<= ULTIMATE.start_main_~x~4 456), 165174#(<= ULTIMATE.start_main_~x~4 466), 165175#(<= ULTIMATE.start_main_~x~4 468), 165172#(<= ULTIMATE.start_main_~x~4 462), 165173#(<= ULTIMATE.start_main_~x~4 464), 165178#(<= ULTIMATE.start_main_~x~4 474), 165179#(<= ULTIMATE.start_main_~x~4 476), 165176#(<= ULTIMATE.start_main_~x~4 470), 165177#(<= ULTIMATE.start_main_~x~4 472), 165182#(<= ULTIMATE.start_main_~x~4 482), 165183#(<= ULTIMATE.start_main_~x~4 484), 165180#(<= ULTIMATE.start_main_~x~4 478), 165181#(<= ULTIMATE.start_main_~x~4 480), 165186#(<= ULTIMATE.start_main_~x~4 490), 165187#(<= ULTIMATE.start_main_~x~4 492), 165184#(<= ULTIMATE.start_main_~x~4 486), 165185#(<= ULTIMATE.start_main_~x~4 488), 165190#(<= ULTIMATE.start_main_~x~4 498), 165191#(<= ULTIMATE.start_main_~x~4 500), 165188#(<= ULTIMATE.start_main_~x~4 494), 165189#(<= ULTIMATE.start_main_~x~4 496), 165194#(<= ULTIMATE.start_main_~x~4 506), 165195#(<= ULTIMATE.start_main_~x~4 508), 165192#(<= ULTIMATE.start_main_~x~4 502), 165193#(<= ULTIMATE.start_main_~x~4 504), 165198#(<= ULTIMATE.start_main_~x~4 514), 165196#(<= ULTIMATE.start_main_~x~4 510), 165197#(<= ULTIMATE.start_main_~x~4 512)] [2018-07-23 13:45:30,454 INFO L134 CoverageAnalysis]: Checked inductivity of 31878 backedges. 0 proven. 31878 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2018-07-23 13:45:30,455 INFO L450 AbstractCegarLoop]: Interpolant automaton has 255 states [2018-07-23 13:45:30,459 INFO L132 InterpolantAutomaton]: Constructing interpolant automaton starting with 255 interpolants. [2018-07-23 13:45:30,463 INFO L133 InterpolantAutomaton]: CoverageRelationStatistics Valid=32385, Invalid=32385, Unknown=0, NotChecked=0, Total=64770 [2018-07-23 13:45:30,463 INFO L87 Difference]: Start difference. First operand 256 states and 256 transitions. Second operand 255 states. [2018-07-23 13:45:32,645 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2018-07-23 13:45:32,645 INFO L93 Difference]: Finished difference Result 259 states and 259 transitions. [2018-07-23 13:45:32,645 INFO L142 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 255 states. [2018-07-23 13:45:32,645 INFO L78 Accepts]: Start accepts. Automaton has 255 states. Word has length 255 [2018-07-23 13:45:32,646 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2018-07-23 13:45:32,646 INFO L225 Difference]: With dead ends: 259 [2018-07-23 13:45:32,646 INFO L226 Difference]: Without dead ends: 257 [2018-07-23 13:45:32,650 INFO L575 BasicCegarLoop]: 0 DeclaredPredicates, 254 GetRequests, 1 SyntacticMatches, 0 SemanticMatches, 253 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 0 ImplicationChecksByTransitivity, 1.3s TimeCoverageRelationStatistics Valid=32385, Invalid=32385, Unknown=0, NotChecked=0, Total=64770 [2018-07-23 13:45:32,651 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 257 states. [2018-07-23 13:45:32,653 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 257 to 257. [2018-07-23 13:45:32,653 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 257 states. [2018-07-23 13:45:32,653 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 257 states to 257 states and 257 transitions. [2018-07-23 13:45:32,653 INFO L78 Accepts]: Start accepts. Automaton has 257 states and 257 transitions. Word has length 255 [2018-07-23 13:45:32,653 INFO L84 Accepts]: Finished accepts. word is rejected. [2018-07-23 13:45:32,653 INFO L471 AbstractCegarLoop]: Abstraction has 257 states and 257 transitions. [2018-07-23 13:45:32,654 INFO L472 AbstractCegarLoop]: Interpolant automaton has 255 states. [2018-07-23 13:45:32,654 INFO L276 IsEmpty]: Start isEmpty. Operand 257 states and 257 transitions. [2018-07-23 13:45:32,654 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 257 [2018-07-23 13:45:32,654 INFO L349 BasicCegarLoop]: Found error trace [2018-07-23 13:45:32,654 INFO L357 BasicCegarLoop]: trace histogram [253, 1, 1, 1] [2018-07-23 13:45:32,655 INFO L414 AbstractCegarLoop]: === Iteration 254 === [ULTIMATE.startErr0AssertViolationASSERT]=== [2018-07-23 13:45:32,655 INFO L82 PathProgramCache]: Analyzing trace with hash 1658594536, now seen corresponding path program 253 times [2018-07-23 13:45:32,655 INFO L69 tionRefinementEngine]: Using refinement strategy FixedRefinementStrategy [2018-07-23 13:45:32,677 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-07-23 13:45:34,129 INFO L134 CoverageAnalysis]: Checked inductivity of 32131 backedges. 0 proven. 32131 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2018-07-23 13:45:34,129 INFO L309 seRefinementStrategy]: Constructing automaton from 0 perfect and 1 imperfect interpolant sequences. [2018-07-23 13:45:34,129 INFO L324 seRefinementStrategy]: Number of different interpolants: perfect sequences [] imperfect sequences [255] total 255 [2018-07-23 13:45:34,130 INFO L142 lantAutomatonBuilder]: Constructing canonical interpolant automaton, with selfloop in false state [2018-07-23 13:45:34,130 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 13:45:34,130 INFO L185 omatonBuilderFactory]: Interpolants [166402#(<= ULTIMATE.start_main_~x~4 348), 166403#(<= ULTIMATE.start_main_~x~4 350), 166400#(<= ULTIMATE.start_main_~x~4 344), 166401#(<= ULTIMATE.start_main_~x~4 346), 166406#(<= ULTIMATE.start_main_~x~4 356), 166407#(<= ULTIMATE.start_main_~x~4 358), 166404#(<= ULTIMATE.start_main_~x~4 352), 166405#(<= ULTIMATE.start_main_~x~4 354), 166410#(<= ULTIMATE.start_main_~x~4 364), 166411#(<= ULTIMATE.start_main_~x~4 366), 166408#(<= ULTIMATE.start_main_~x~4 360), 166409#(<= ULTIMATE.start_main_~x~4 362), 166414#(<= ULTIMATE.start_main_~x~4 372), 166415#(<= ULTIMATE.start_main_~x~4 374), 166412#(<= ULTIMATE.start_main_~x~4 368), 166413#(<= ULTIMATE.start_main_~x~4 370), 166418#(<= ULTIMATE.start_main_~x~4 380), 166419#(<= ULTIMATE.start_main_~x~4 382), 166416#(<= ULTIMATE.start_main_~x~4 376), 166417#(<= ULTIMATE.start_main_~x~4 378), 166422#(<= ULTIMATE.start_main_~x~4 388), 166423#(<= ULTIMATE.start_main_~x~4 390), 166420#(<= ULTIMATE.start_main_~x~4 384), 166421#(<= ULTIMATE.start_main_~x~4 386), 166426#(<= ULTIMATE.start_main_~x~4 396), 166427#(<= ULTIMATE.start_main_~x~4 398), 166424#(<= ULTIMATE.start_main_~x~4 392), 166425#(<= ULTIMATE.start_main_~x~4 394), 166430#(<= ULTIMATE.start_main_~x~4 404), 166431#(<= ULTIMATE.start_main_~x~4 406), 166428#(<= ULTIMATE.start_main_~x~4 400), 166429#(<= ULTIMATE.start_main_~x~4 402), 166434#(<= ULTIMATE.start_main_~x~4 412), 166435#(<= ULTIMATE.start_main_~x~4 414), 166432#(<= ULTIMATE.start_main_~x~4 408), 166433#(<= ULTIMATE.start_main_~x~4 410), 166438#(<= ULTIMATE.start_main_~x~4 420), 166439#(<= ULTIMATE.start_main_~x~4 422), 166436#(<= ULTIMATE.start_main_~x~4 416), 166437#(<= ULTIMATE.start_main_~x~4 418), 166442#(<= ULTIMATE.start_main_~x~4 428), 166443#(<= ULTIMATE.start_main_~x~4 430), 166440#(<= ULTIMATE.start_main_~x~4 424), 166441#(<= ULTIMATE.start_main_~x~4 426), 166446#(<= ULTIMATE.start_main_~x~4 436), 166447#(<= ULTIMATE.start_main_~x~4 438), 166444#(<= ULTIMATE.start_main_~x~4 432), 166445#(<= ULTIMATE.start_main_~x~4 434), 166450#(<= ULTIMATE.start_main_~x~4 444), 166451#(<= ULTIMATE.start_main_~x~4 446), 166448#(<= ULTIMATE.start_main_~x~4 440), 166449#(<= ULTIMATE.start_main_~x~4 442), 166454#(<= ULTIMATE.start_main_~x~4 452), 166455#(<= ULTIMATE.start_main_~x~4 454), 166452#(<= ULTIMATE.start_main_~x~4 448), 166453#(<= ULTIMATE.start_main_~x~4 450), 166458#(<= ULTIMATE.start_main_~x~4 460), 166459#(<= ULTIMATE.start_main_~x~4 462), 166456#(<= ULTIMATE.start_main_~x~4 456), 166457#(<= ULTIMATE.start_main_~x~4 458), 166462#(<= ULTIMATE.start_main_~x~4 468), 166463#(<= ULTIMATE.start_main_~x~4 470), 166460#(<= ULTIMATE.start_main_~x~4 464), 166461#(<= ULTIMATE.start_main_~x~4 466), 166466#(<= ULTIMATE.start_main_~x~4 476), 166467#(<= ULTIMATE.start_main_~x~4 478), 166464#(<= ULTIMATE.start_main_~x~4 472), 166465#(<= ULTIMATE.start_main_~x~4 474), 166470#(<= ULTIMATE.start_main_~x~4 484), 166471#(<= ULTIMATE.start_main_~x~4 486), 166468#(<= ULTIMATE.start_main_~x~4 480), 166469#(<= ULTIMATE.start_main_~x~4 482), 166474#(<= ULTIMATE.start_main_~x~4 492), 166475#(<= ULTIMATE.start_main_~x~4 494), 166472#(<= ULTIMATE.start_main_~x~4 488), 166473#(<= ULTIMATE.start_main_~x~4 490), 166478#(<= ULTIMATE.start_main_~x~4 500), 166479#(<= ULTIMATE.start_main_~x~4 502), 166476#(<= ULTIMATE.start_main_~x~4 496), 166477#(<= ULTIMATE.start_main_~x~4 498), 166482#(<= ULTIMATE.start_main_~x~4 508), 166483#(<= ULTIMATE.start_main_~x~4 510), 166480#(<= ULTIMATE.start_main_~x~4 504), 166481#(<= ULTIMATE.start_main_~x~4 506), 166486#(<= ULTIMATE.start_main_~x~4 516), 166484#(<= ULTIMATE.start_main_~x~4 512), 166485#(<= ULTIMATE.start_main_~x~4 514), 166231#true, 166234#(<= ULTIMATE.start_main_~x~4 12), 166235#(<= ULTIMATE.start_main_~x~4 14), 166232#false, 166233#(<= ULTIMATE.start_main_~x~4 10), 166238#(<= ULTIMATE.start_main_~x~4 20), 166239#(<= ULTIMATE.start_main_~x~4 22), 166236#(<= ULTIMATE.start_main_~x~4 16), 166237#(<= ULTIMATE.start_main_~x~4 18), 166242#(<= ULTIMATE.start_main_~x~4 28), 166243#(<= ULTIMATE.start_main_~x~4 30), 166240#(<= ULTIMATE.start_main_~x~4 24), 166241#(<= ULTIMATE.start_main_~x~4 26), 166246#(<= ULTIMATE.start_main_~x~4 36), 166247#(<= ULTIMATE.start_main_~x~4 38), 166244#(<= ULTIMATE.start_main_~x~4 32), 166245#(<= ULTIMATE.start_main_~x~4 34), 166250#(<= ULTIMATE.start_main_~x~4 44), 166251#(<= ULTIMATE.start_main_~x~4 46), 166248#(<= ULTIMATE.start_main_~x~4 40), 166249#(<= ULTIMATE.start_main_~x~4 42), 166254#(<= ULTIMATE.start_main_~x~4 52), 166255#(<= ULTIMATE.start_main_~x~4 54), 166252#(<= ULTIMATE.start_main_~x~4 48), 166253#(<= ULTIMATE.start_main_~x~4 50), 166258#(<= ULTIMATE.start_main_~x~4 60), 166259#(<= ULTIMATE.start_main_~x~4 62), 166256#(<= ULTIMATE.start_main_~x~4 56), 166257#(<= ULTIMATE.start_main_~x~4 58), 166262#(<= ULTIMATE.start_main_~x~4 68), 166263#(<= ULTIMATE.start_main_~x~4 70), 166260#(<= ULTIMATE.start_main_~x~4 64), 166261#(<= ULTIMATE.start_main_~x~4 66), 166266#(<= ULTIMATE.start_main_~x~4 76), 166267#(<= ULTIMATE.start_main_~x~4 78), 166264#(<= ULTIMATE.start_main_~x~4 72), 166265#(<= ULTIMATE.start_main_~x~4 74), 166270#(<= ULTIMATE.start_main_~x~4 84), 166271#(<= ULTIMATE.start_main_~x~4 86), 166268#(<= ULTIMATE.start_main_~x~4 80), 166269#(<= ULTIMATE.start_main_~x~4 82), 166274#(<= ULTIMATE.start_main_~x~4 92), 166275#(<= ULTIMATE.start_main_~x~4 94), 166272#(<= ULTIMATE.start_main_~x~4 88), 166273#(<= ULTIMATE.start_main_~x~4 90), 166278#(<= ULTIMATE.start_main_~x~4 100), 166279#(<= ULTIMATE.start_main_~x~4 102), 166276#(<= ULTIMATE.start_main_~x~4 96), 166277#(<= ULTIMATE.start_main_~x~4 98), 166282#(<= ULTIMATE.start_main_~x~4 108), 166283#(<= ULTIMATE.start_main_~x~4 110), 166280#(<= ULTIMATE.start_main_~x~4 104), 166281#(<= ULTIMATE.start_main_~x~4 106), 166286#(<= ULTIMATE.start_main_~x~4 116), 166287#(<= ULTIMATE.start_main_~x~4 118), 166284#(<= ULTIMATE.start_main_~x~4 112), 166285#(<= ULTIMATE.start_main_~x~4 114), 166290#(<= ULTIMATE.start_main_~x~4 124), 166291#(<= ULTIMATE.start_main_~x~4 126), 166288#(<= ULTIMATE.start_main_~x~4 120), 166289#(<= ULTIMATE.start_main_~x~4 122), 166294#(<= ULTIMATE.start_main_~x~4 132), 166295#(<= ULTIMATE.start_main_~x~4 134), 166292#(<= ULTIMATE.start_main_~x~4 128), 166293#(<= ULTIMATE.start_main_~x~4 130), 166298#(<= ULTIMATE.start_main_~x~4 140), 166299#(<= ULTIMATE.start_main_~x~4 142), 166296#(<= ULTIMATE.start_main_~x~4 136), 166297#(<= ULTIMATE.start_main_~x~4 138), 166302#(<= ULTIMATE.start_main_~x~4 148), 166303#(<= ULTIMATE.start_main_~x~4 150), 166300#(<= ULTIMATE.start_main_~x~4 144), 166301#(<= ULTIMATE.start_main_~x~4 146), 166306#(<= ULTIMATE.start_main_~x~4 156), 166307#(<= ULTIMATE.start_main_~x~4 158), 166304#(<= ULTIMATE.start_main_~x~4 152), 166305#(<= ULTIMATE.start_main_~x~4 154), 166310#(<= ULTIMATE.start_main_~x~4 164), 166311#(<= ULTIMATE.start_main_~x~4 166), 166308#(<= ULTIMATE.start_main_~x~4 160), 166309#(<= ULTIMATE.start_main_~x~4 162), 166314#(<= ULTIMATE.start_main_~x~4 172), 166315#(<= ULTIMATE.start_main_~x~4 174), 166312#(<= ULTIMATE.start_main_~x~4 168), 166313#(<= ULTIMATE.start_main_~x~4 170), 166318#(<= ULTIMATE.start_main_~x~4 180), 166319#(<= ULTIMATE.start_main_~x~4 182), 166316#(<= ULTIMATE.start_main_~x~4 176), 166317#(<= ULTIMATE.start_main_~x~4 178), 166322#(<= ULTIMATE.start_main_~x~4 188), 166323#(<= ULTIMATE.start_main_~x~4 190), 166320#(<= ULTIMATE.start_main_~x~4 184), 166321#(<= ULTIMATE.start_main_~x~4 186), 166326#(<= ULTIMATE.start_main_~x~4 196), 166327#(<= ULTIMATE.start_main_~x~4 198), 166324#(<= ULTIMATE.start_main_~x~4 192), 166325#(<= ULTIMATE.start_main_~x~4 194), 166330#(<= ULTIMATE.start_main_~x~4 204), 166331#(<= ULTIMATE.start_main_~x~4 206), 166328#(<= ULTIMATE.start_main_~x~4 200), 166329#(<= ULTIMATE.start_main_~x~4 202), 166334#(<= ULTIMATE.start_main_~x~4 212), 166335#(<= ULTIMATE.start_main_~x~4 214), 166332#(<= ULTIMATE.start_main_~x~4 208), 166333#(<= ULTIMATE.start_main_~x~4 210), 166338#(<= ULTIMATE.start_main_~x~4 220), 166339#(<= ULTIMATE.start_main_~x~4 222), 166336#(<= ULTIMATE.start_main_~x~4 216), 166337#(<= ULTIMATE.start_main_~x~4 218), 166342#(<= ULTIMATE.start_main_~x~4 228), 166343#(<= ULTIMATE.start_main_~x~4 230), 166340#(<= ULTIMATE.start_main_~x~4 224), 166341#(<= ULTIMATE.start_main_~x~4 226), 166346#(<= ULTIMATE.start_main_~x~4 236), 166347#(<= ULTIMATE.start_main_~x~4 238), 166344#(<= ULTIMATE.start_main_~x~4 232), 166345#(<= ULTIMATE.start_main_~x~4 234), 166350#(<= ULTIMATE.start_main_~x~4 244), 166351#(<= ULTIMATE.start_main_~x~4 246), 166348#(<= ULTIMATE.start_main_~x~4 240), 166349#(<= ULTIMATE.start_main_~x~4 242), 166354#(<= ULTIMATE.start_main_~x~4 252), 166355#(<= ULTIMATE.start_main_~x~4 254), 166352#(<= ULTIMATE.start_main_~x~4 248), 166353#(<= ULTIMATE.start_main_~x~4 250), 166358#(<= ULTIMATE.start_main_~x~4 260), 166359#(<= ULTIMATE.start_main_~x~4 262), 166356#(<= ULTIMATE.start_main_~x~4 256), 166357#(<= ULTIMATE.start_main_~x~4 258), 166362#(<= ULTIMATE.start_main_~x~4 268), 166363#(<= ULTIMATE.start_main_~x~4 270), 166360#(<= ULTIMATE.start_main_~x~4 264), 166361#(<= ULTIMATE.start_main_~x~4 266), 166366#(<= ULTIMATE.start_main_~x~4 276), 166367#(<= ULTIMATE.start_main_~x~4 278), 166364#(<= ULTIMATE.start_main_~x~4 272), 166365#(<= ULTIMATE.start_main_~x~4 274), 166370#(<= ULTIMATE.start_main_~x~4 284), 166371#(<= ULTIMATE.start_main_~x~4 286), 166368#(<= ULTIMATE.start_main_~x~4 280), 166369#(<= ULTIMATE.start_main_~x~4 282), 166374#(<= ULTIMATE.start_main_~x~4 292), 166375#(<= ULTIMATE.start_main_~x~4 294), 166372#(<= ULTIMATE.start_main_~x~4 288), 166373#(<= ULTIMATE.start_main_~x~4 290), 166378#(<= ULTIMATE.start_main_~x~4 300), 166379#(<= ULTIMATE.start_main_~x~4 302), 166376#(<= ULTIMATE.start_main_~x~4 296), 166377#(<= ULTIMATE.start_main_~x~4 298), 166382#(<= ULTIMATE.start_main_~x~4 308), 166383#(<= ULTIMATE.start_main_~x~4 310), 166380#(<= ULTIMATE.start_main_~x~4 304), 166381#(<= ULTIMATE.start_main_~x~4 306), 166386#(<= ULTIMATE.start_main_~x~4 316), 166387#(<= ULTIMATE.start_main_~x~4 318), 166384#(<= ULTIMATE.start_main_~x~4 312), 166385#(<= ULTIMATE.start_main_~x~4 314), 166390#(<= ULTIMATE.start_main_~x~4 324), 166391#(<= ULTIMATE.start_main_~x~4 326), 166388#(<= ULTIMATE.start_main_~x~4 320), 166389#(<= ULTIMATE.start_main_~x~4 322), 166394#(<= ULTIMATE.start_main_~x~4 332), 166395#(<= ULTIMATE.start_main_~x~4 334), 166392#(<= ULTIMATE.start_main_~x~4 328), 166393#(<= ULTIMATE.start_main_~x~4 330), 166398#(<= ULTIMATE.start_main_~x~4 340), 166399#(<= ULTIMATE.start_main_~x~4 342), 166396#(<= ULTIMATE.start_main_~x~4 336), 166397#(<= ULTIMATE.start_main_~x~4 338)] [2018-07-23 13:45:34,132 INFO L134 CoverageAnalysis]: Checked inductivity of 32131 backedges. 0 proven. 32131 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2018-07-23 13:45:34,132 INFO L450 AbstractCegarLoop]: Interpolant automaton has 256 states [2018-07-23 13:45:34,137 INFO L132 InterpolantAutomaton]: Constructing interpolant automaton starting with 256 interpolants. [2018-07-23 13:45:34,140 INFO L133 InterpolantAutomaton]: CoverageRelationStatistics Valid=32640, Invalid=32640, Unknown=0, NotChecked=0, Total=65280 [2018-07-23 13:45:34,141 INFO L87 Difference]: Start difference. First operand 257 states and 257 transitions. Second operand 256 states. [2018-07-23 13:45:34,841 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2018-07-23 13:45:34,842 INFO L93 Difference]: Finished difference Result 260 states and 260 transitions. [2018-07-23 13:45:34,842 INFO L142 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 256 states. [2018-07-23 13:45:34,842 INFO L78 Accepts]: Start accepts. Automaton has 256 states. Word has length 256 [2018-07-23 13:45:34,842 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2018-07-23 13:45:34,842 INFO L225 Difference]: With dead ends: 260 [2018-07-23 13:45:34,842 INFO L226 Difference]: Without dead ends: 258 [2018-07-23 13:45:34,844 INFO L575 BasicCegarLoop]: 0 DeclaredPredicates, 255 GetRequests, 1 SyntacticMatches, 0 SemanticMatches, 254 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 0 ImplicationChecksByTransitivity, 1.3s TimeCoverageRelationStatistics Valid=32640, Invalid=32640, Unknown=0, NotChecked=0, Total=65280 [2018-07-23 13:45:34,845 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 258 states. [2018-07-23 13:45:34,847 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 258 to 258. [2018-07-23 13:45:34,847 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 258 states. [2018-07-23 13:45:34,847 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 258 states to 258 states and 258 transitions. [2018-07-23 13:45:34,847 INFO L78 Accepts]: Start accepts. Automaton has 258 states and 258 transitions. Word has length 256 [2018-07-23 13:45:34,847 INFO L84 Accepts]: Finished accepts. word is rejected. [2018-07-23 13:45:34,848 INFO L471 AbstractCegarLoop]: Abstraction has 258 states and 258 transitions. [2018-07-23 13:45:34,848 INFO L472 AbstractCegarLoop]: Interpolant automaton has 256 states. [2018-07-23 13:45:34,848 INFO L276 IsEmpty]: Start isEmpty. Operand 258 states and 258 transitions. [2018-07-23 13:45:34,848 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 258 [2018-07-23 13:45:34,848 INFO L349 BasicCegarLoop]: Found error trace [2018-07-23 13:45:34,848 INFO L357 BasicCegarLoop]: trace histogram [254, 1, 1, 1] [2018-07-23 13:45:34,849 INFO L414 AbstractCegarLoop]: === Iteration 255 === [ULTIMATE.startErr0AssertViolationASSERT]=== [2018-07-23 13:45:34,849 INFO L82 PathProgramCache]: Analyzing trace with hash -123178911, now seen corresponding path program 254 times [2018-07-23 13:45:34,849 INFO L69 tionRefinementEngine]: Using refinement strategy FixedRefinementStrategy [2018-07-23 13:45:34,869 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-07-23 13:45:36,260 INFO L134 CoverageAnalysis]: Checked inductivity of 32385 backedges. 0 proven. 32385 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2018-07-23 13:45:36,261 INFO L309 seRefinementStrategy]: Constructing automaton from 0 perfect and 1 imperfect interpolant sequences. [2018-07-23 13:45:36,261 INFO L324 seRefinementStrategy]: Number of different interpolants: perfect sequences [] imperfect sequences [256] total 256 [2018-07-23 13:45:36,261 INFO L142 lantAutomatonBuilder]: Constructing canonical interpolant automaton, with selfloop in false state [2018-07-23 13:45:36,261 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2018-07-23 13:45:36,262 INFO L185 omatonBuilderFactory]: Interpolants [167523#true, 167526#(<= ULTIMATE.start_main_~x~4 12), 167527#(<= ULTIMATE.start_main_~x~4 14), 167524#false, 167525#(<= ULTIMATE.start_main_~x~4 10), 167530#(<= ULTIMATE.start_main_~x~4 20), 167531#(<= ULTIMATE.start_main_~x~4 22), 167528#(<= ULTIMATE.start_main_~x~4 16), 167529#(<= ULTIMATE.start_main_~x~4 18), 167534#(<= ULTIMATE.start_main_~x~4 28), 167535#(<= ULTIMATE.start_main_~x~4 30), 167532#(<= ULTIMATE.start_main_~x~4 24), 167533#(<= ULTIMATE.start_main_~x~4 26), 167538#(<= ULTIMATE.start_main_~x~4 36), 167539#(<= ULTIMATE.start_main_~x~4 38), 167536#(<= ULTIMATE.start_main_~x~4 32), 167537#(<= ULTIMATE.start_main_~x~4 34), 167542#(<= ULTIMATE.start_main_~x~4 44), 167543#(<= ULTIMATE.start_main_~x~4 46), 167540#(<= ULTIMATE.start_main_~x~4 40), 167541#(<= ULTIMATE.start_main_~x~4 42), 167546#(<= ULTIMATE.start_main_~x~4 52), 167547#(<= ULTIMATE.start_main_~x~4 54), 167544#(<= ULTIMATE.start_main_~x~4 48), 167545#(<= ULTIMATE.start_main_~x~4 50), 167550#(<= ULTIMATE.start_main_~x~4 60), 167551#(<= ULTIMATE.start_main_~x~4 62), 167548#(<= ULTIMATE.start_main_~x~4 56), 167549#(<= ULTIMATE.start_main_~x~4 58), 167554#(<= ULTIMATE.start_main_~x~4 68), 167555#(<= ULTIMATE.start_main_~x~4 70), 167552#(<= ULTIMATE.start_main_~x~4 64), 167553#(<= ULTIMATE.start_main_~x~4 66), 167558#(<= ULTIMATE.start_main_~x~4 76), 167559#(<= ULTIMATE.start_main_~x~4 78), 167556#(<= ULTIMATE.start_main_~x~4 72), 167557#(<= ULTIMATE.start_main_~x~4 74), 167562#(<= ULTIMATE.start_main_~x~4 84), 167563#(<= ULTIMATE.start_main_~x~4 86), 167560#(<= ULTIMATE.start_main_~x~4 80), 167561#(<= ULTIMATE.start_main_~x~4 82), 167566#(<= ULTIMATE.start_main_~x~4 92), 167567#(<= ULTIMATE.start_main_~x~4 94), 167564#(<= ULTIMATE.start_main_~x~4 88), 167565#(<= ULTIMATE.start_main_~x~4 90), 167570#(<= ULTIMATE.start_main_~x~4 100), 167571#(<= ULTIMATE.start_main_~x~4 102), 167568#(<= ULTIMATE.start_main_~x~4 96), 167569#(<= ULTIMATE.start_main_~x~4 98), 167574#(<= ULTIMATE.start_main_~x~4 108), 167575#(<= ULTIMATE.start_main_~x~4 110), 167572#(<= ULTIMATE.start_main_~x~4 104), 167573#(<= ULTIMATE.start_main_~x~4 106), 167578#(<= ULTIMATE.start_main_~x~4 116), 167579#(<= ULTIMATE.start_main_~x~4 118), 167576#(<= ULTIMATE.start_main_~x~4 112), 167577#(<= ULTIMATE.start_main_~x~4 114), 167582#(<= ULTIMATE.start_main_~x~4 124), 167583#(<= ULTIMATE.start_main_~x~4 126), 167580#(<= ULTIMATE.start_main_~x~4 120), 167581#(<= ULTIMATE.start_main_~x~4 122), 167586#(<= ULTIMATE.start_main_~x~4 132), 167587#(<= ULTIMATE.start_main_~x~4 134), 167584#(<= ULTIMATE.start_main_~x~4 128), 167585#(<= ULTIMATE.start_main_~x~4 130), 167590#(<= ULTIMATE.start_main_~x~4 140), 167591#(<= ULTIMATE.start_main_~x~4 142), 167588#(<= ULTIMATE.start_main_~x~4 136), 167589#(<= ULTIMATE.start_main_~x~4 138), 167594#(<= ULTIMATE.start_main_~x~4 148), 167595#(<= ULTIMATE.start_main_~x~4 150), 167592#(<= ULTIMATE.start_main_~x~4 144), 167593#(<= ULTIMATE.start_main_~x~4 146), 167598#(<= ULTIMATE.start_main_~x~4 156), 167599#(<= ULTIMATE.start_main_~x~4 158), 167596#(<= ULTIMATE.start_main_~x~4 152), 167597#(<= ULTIMATE.start_main_~x~4 154), 167602#(<= ULTIMATE.start_main_~x~4 164), 167603#(<= ULTIMATE.start_main_~x~4 166), 167600#(<= ULTIMATE.start_main_~x~4 160), 167601#(<= ULTIMATE.start_main_~x~4 162), 167606#(<= ULTIMATE.start_main_~x~4 172), 167607#(<= ULTIMATE.start_main_~x~4 174), 167604#(<= ULTIMATE.start_main_~x~4 168), 167605#(<= ULTIMATE.start_main_~x~4 170), 167610#(<= ULTIMATE.start_main_~x~4 180), 167611#(<= ULTIMATE.start_main_~x~4 182), 167608#(<= ULTIMATE.start_main_~x~4 176), 167609#(<= ULTIMATE.start_main_~x~4 178), 167614#(<= ULTIMATE.start_main_~x~4 188), 167615#(<= ULTIMATE.start_main_~x~4 190), 167612#(<= ULTIMATE.start_main_~x~4 184), 167613#(<= ULTIMATE.start_main_~x~4 186), 167618#(<= ULTIMATE.start_main_~x~4 196), 167619#(<= ULTIMATE.start_main_~x~4 198), 167616#(<= ULTIMATE.start_main_~x~4 192), 167617#(<= ULTIMATE.start_main_~x~4 194), 167622#(<= ULTIMATE.start_main_~x~4 204), 167623#(<= ULTIMATE.start_main_~x~4 206), 167620#(<= ULTIMATE.start_main_~x~4 200), 167621#(<= ULTIMATE.start_main_~x~4 202), 167626#(<= ULTIMATE.start_main_~x~4 212), 167627#(<= ULTIMATE.start_main_~x~4 214), 167624#(<= ULTIMATE.start_main_~x~4 208), 167625#(<= ULTIMATE.start_main_~x~4 210), 167630#(<= ULTIMATE.start_main_~x~4 220), 167631#(<= ULTIMATE.start_main_~x~4 222), 167628#(<= ULTIMATE.start_main_~x~4 216), 167629#(<= ULTIMATE.start_main_~x~4 218), 167634#(<= ULTIMATE.start_main_~x~4 228), 167635#(<= ULTIMATE.start_main_~x~4 230), 167632#(<= ULTIMATE.start_main_~x~4 224), 167633#(<= ULTIMATE.start_main_~x~4 226), 167638#(<= ULTIMATE.start_main_~x~4 236), 167639#(<= ULTIMATE.start_main_~x~4 238), 167636#(<= ULTIMATE.start_main_~x~4 232), 167637#(<= ULTIMATE.start_main_~x~4 234), 167642#(<= ULTIMATE.start_main_~x~4 244), 167643#(<= ULTIMATE.start_main_~x~4 246), 167640#(<= ULTIMATE.start_main_~x~4 240), 167641#(<= ULTIMATE.start_main_~x~4 242), 167646#(<= ULTIMATE.start_main_~x~4 252), 167647#(<= ULTIMATE.start_main_~x~4 254), 167644#(<= ULTIMATE.start_main_~x~4 248), 167645#(<= ULTIMATE.start_main_~x~4 250), 167650#(<= ULTIMATE.start_main_~x~4 260), 167651#(<= ULTIMATE.start_main_~x~4 262), 167648#(<= ULTIMATE.start_main_~x~4 256), 167649#(<= ULTIMATE.start_main_~x~4 258), 167654#(<= ULTIMATE.start_main_~x~4 268), 167655#(<= ULTIMATE.start_main_~x~4 270), 167652#(<= ULTIMATE.start_main_~x~4 264), 167653#(<= ULTIMATE.start_main_~x~4 266), 167658#(<= ULTIMATE.start_main_~x~4 276), 167659#(<= ULTIMATE.start_main_~x~4 278), 167656#(<= ULTIMATE.start_main_~x~4 272), 167657#(<= ULTIMATE.start_main_~x~4 274), 167662#(<= ULTIMATE.start_main_~x~4 284), 167663#(<= ULTIMATE.start_main_~x~4 286), 167660#(<= ULTIMATE.start_main_~x~4 280), 167661#(<= ULTIMATE.start_main_~x~4 282), 167666#(<= ULTIMATE.start_main_~x~4 292), 167667#(<= ULTIMATE.start_main_~x~4 294), 167664#(<= ULTIMATE.start_main_~x~4 288), 167665#(<= ULTIMATE.start_main_~x~4 290), 167670#(<= ULTIMATE.start_main_~x~4 300), 167671#(<= ULTIMATE.start_main_~x~4 302), 167668#(<= ULTIMATE.start_main_~x~4 296), 167669#(<= ULTIMATE.start_main_~x~4 298), 167674#(<= ULTIMATE.start_main_~x~4 308), 167675#(<= ULTIMATE.start_main_~x~4 310), 167672#(<= ULTIMATE.start_main_~x~4 304), 167673#(<= ULTIMATE.start_main_~x~4 306), 167678#(<= ULTIMATE.start_main_~x~4 316), 167679#(<= ULTIMATE.start_main_~x~4 318), 167676#(<= ULTIMATE.start_main_~x~4 312), 167677#(<= ULTIMATE.start_main_~x~4 314), 167682#(<= ULTIMATE.start_main_~x~4 324), 167683#(<= ULTIMATE.start_main_~x~4 326), 167680#(<= ULTIMATE.start_main_~x~4 320), 167681#(<= ULTIMATE.start_main_~x~4 322), 167686#(<= ULTIMATE.start_main_~x~4 332), 167687#(<= ULTIMATE.start_main_~x~4 334), 167684#(<= ULTIMATE.start_main_~x~4 328), 167685#(<= ULTIMATE.start_main_~x~4 330), 167690#(<= ULTIMATE.start_main_~x~4 340), 167691#(<= ULTIMATE.start_main_~x~4 342), 167688#(<= ULTIMATE.start_main_~x~4 336), 167689#(<= ULTIMATE.start_main_~x~4 338), 167694#(<= ULTIMATE.start_main_~x~4 348), 167695#(<= ULTIMATE.start_main_~x~4 350), 167692#(<= ULTIMATE.start_main_~x~4 344), 167693#(<= ULTIMATE.start_main_~x~4 346), 167698#(<= ULTIMATE.start_main_~x~4 356), 167699#(<= ULTIMATE.start_main_~x~4 358), 167696#(<= ULTIMATE.start_main_~x~4 352), 167697#(<= ULTIMATE.start_main_~x~4 354), 167702#(<= ULTIMATE.start_main_~x~4 364), 167703#(<= ULTIMATE.start_main_~x~4 366), 167700#(<= ULTIMATE.start_main_~x~4 360), 167701#(<= ULTIMATE.start_main_~x~4 362), 167706#(<= ULTIMATE.start_main_~x~4 372), 167707#(<= ULTIMATE.start_main_~x~4 374), 167704#(<= ULTIMATE.start_main_~x~4 368), 167705#(<= ULTIMATE.start_main_~x~4 370), 167710#(<= ULTIMATE.start_main_~x~4 380), 167711#(<= ULTIMATE.start_main_~x~4 382), 167708#(<= ULTIMATE.start_main_~x~4 376), 167709#(<= ULTIMATE.start_main_~x~4 378), 167714#(<= ULTIMATE.start_main_~x~4 388), 167715#(<= ULTIMATE.start_main_~x~4 390), 167712#(<= ULTIMATE.start_main_~x~4 384), 167713#(<= ULTIMATE.start_main_~x~4 386), 167718#(<= ULTIMATE.start_main_~x~4 396), 167719#(<= ULTIMATE.start_main_~x~4 398), 167716#(<= ULTIMATE.start_main_~x~4 392), 167717#(<= ULTIMATE.start_main_~x~4 394), 167722#(<= ULTIMATE.start_main_~x~4 404), 167723#(<= ULTIMATE.start_main_~x~4 406), 167720#(<= ULTIMATE.start_main_~x~4 400), 167721#(<= ULTIMATE.start_main_~x~4 402), 167726#(<= ULTIMATE.start_main_~x~4 412), 167727#(<= ULTIMATE.start_main_~x~4 414), 167724#(<= ULTIMATE.start_main_~x~4 408), 167725#(<= ULTIMATE.start_main_~x~4 410), 167730#(<= ULTIMATE.start_main_~x~4 420), 167731#(<= ULTIMATE.start_main_~x~4 422), 167728#(<= ULTIMATE.start_main_~x~4 416), 167729#(<= ULTIMATE.start_main_~x~4 418), 167734#(<= ULTIMATE.start_main_~x~4 428), 167735#(<= ULTIMATE.start_main_~x~4 430), 167732#(<= ULTIMATE.start_main_~x~4 424), 167733#(<= ULTIMATE.start_main_~x~4 426), 167738#(<= ULTIMATE.start_main_~x~4 436), 167739#(<= ULTIMATE.start_main_~x~4 438), 167736#(<= ULTIMATE.start_main_~x~4 432), 167737#(<= ULTIMATE.start_main_~x~4 434), 167742#(<= ULTIMATE.start_main_~x~4 444), 167743#(<= ULTIMATE.start_main_~x~4 446), 167740#(<= ULTIMATE.start_main_~x~4 440), 167741#(<= ULTIMATE.start_main_~x~4 442), 167746#(<= ULTIMATE.start_main_~x~4 452), 167747#(<= ULTIMATE.start_main_~x~4 454), 167744#(<= ULTIMATE.start_main_~x~4 448), 167745#(<= ULTIMATE.start_main_~x~4 450), 167750#(<= ULTIMATE.start_main_~x~4 460), 167751#(<= ULTIMATE.start_main_~x~4 462), 167748#(<= ULTIMATE.start_main_~x~4 456), 167749#(<= ULTIMATE.start_main_~x~4 458), 167754#(<= ULTIMATE.start_main_~x~4 468), 167755#(<= ULTIMATE.start_main_~x~4 470), 167752#(<= ULTIMATE.start_main_~x~4 464), 167753#(<= ULTIMATE.start_main_~x~4 466), 167758#(<= ULTIMATE.start_main_~x~4 476), 167759#(<= ULTIMATE.start_main_~x~4 478), 167756#(<= ULTIMATE.start_main_~x~4 472), 167757#(<= ULTIMATE.start_main_~x~4 474), 167762#(<= ULTIMATE.start_main_~x~4 484), 167763#(<= ULTIMATE.start_main_~x~4 486), 167760#(<= ULTIMATE.start_main_~x~4 480), 167761#(<= ULTIMATE.start_main_~x~4 482), 167766#(<= ULTIMATE.start_main_~x~4 492), 167767#(<= ULTIMATE.start_main_~x~4 494), 167764#(<= ULTIMATE.start_main_~x~4 488), 167765#(<= ULTIMATE.start_main_~x~4 490), 167770#(<= ULTIMATE.start_main_~x~4 500), 167771#(<= ULTIMATE.start_main_~x~4 502), 167768#(<= ULTIMATE.start_main_~x~4 496), 167769#(<= ULTIMATE.start_main_~x~4 498), 167774#(<= ULTIMATE.start_main_~x~4 508), 167775#(<= ULTIMATE.start_main_~x~4 510), 167772#(<= ULTIMATE.start_main_~x~4 504), 167773#(<= ULTIMATE.start_main_~x~4 506), 167778#(<= ULTIMATE.start_main_~x~4 516), 167779#(<= ULTIMATE.start_main_~x~4 518), 167776#(<= ULTIMATE.start_main_~x~4 512), 167777#(<= ULTIMATE.start_main_~x~4 514)] [2018-07-23 13:45:36,263 INFO L134 CoverageAnalysis]: Checked inductivity of 32385 backedges. 0 proven. 32385 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2018-07-23 13:45:36,264 INFO L450 AbstractCegarLoop]: Interpolant automaton has 257 states [2018-07-23 13:45:36,268 INFO L132 InterpolantAutomaton]: Constructing interpolant automaton starting with 257 interpolants. [2018-07-23 13:45:36,272 INFO L133 InterpolantAutomaton]: CoverageRelationStatistics Valid=32896, Invalid=32896, Unknown=0, NotChecked=0, Total=65792 [2018-07-23 13:45:36,272 INFO L87 Difference]: Start difference. First operand 258 states and 258 transitions. Second operand 257 states. [2018-07-23 13:45:38,331 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2018-07-23 13:45:38,331 INFO L93 Difference]: Finished difference Result 261 states and 261 transitions. [2018-07-23 13:45:38,331 INFO L142 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 257 states. [2018-07-23 13:45:38,331 INFO L78 Accepts]: Start accepts. Automaton has 257 states. Word has length 257 [2018-07-23 13:45:38,332 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2018-07-23 13:45:38,332 INFO L225 Difference]: With dead ends: 261 [2018-07-23 13:45:38,332 INFO L226 Difference]: Without dead ends: 259 [2018-07-23 13:45:38,337 INFO L575 BasicCegarLoop]: 0 DeclaredPredicates, 256 GetRequests, 1 SyntacticMatches, 0 SemanticMatches, 255 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 0 ImplicationChecksByTransitivity, 1.2s TimeCoverageRelationStatistics Valid=32896, Invalid=32896, Unknown=0, NotChecked=0, Total=65792 [2018-07-23 13:45:38,337 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 259 states. [2018-07-23 13:45:38,339 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 259 to 259. [2018-07-23 13:45:38,339 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 259 states. [2018-07-23 13:45:38,340 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 259 states to 259 states and 259 transitions. [2018-07-23 13:45:38,340 INFO L78 Accepts]: Start accepts. Automaton has 259 states and 259 transitions. Word has length 257 [2018-07-23 13:45:38,340 INFO L84 Accepts]: Finished accepts. word is rejected. [2018-07-23 13:45:38,340 INFO L471 AbstractCegarLoop]: Abstraction has 259 states and 259 transitions. [2018-07-23 13:45:38,340 INFO L472 AbstractCegarLoop]: Interpolant automaton has 257 states. [2018-07-23 13:45:38,340 INFO L276 IsEmpty]: Start isEmpty. Operand 259 states and 259 transitions. [2018-07-23 13:45:38,341 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 259 [2018-07-23 13:45:38,341 INFO L349 BasicCegarLoop]: Found error trace [2018-07-23 13:45:38,341 INFO L357 BasicCegarLoop]: trace histogram [255, 1, 1, 1] [2018-07-23 13:45:38,342 INFO L414 AbstractCegarLoop]: === Iteration 256 === [ULTIMATE.startErr0AssertViolationASSERT]=== [2018-07-23 13:45:38,342 INFO L82 PathProgramCache]: Analyzing trace with hash 476419080, now seen corresponding path program 255 times [2018-07-23 13:45:38,342 INFO L69 tionRefinementEngine]: Using refinement strategy FixedRefinementStrategy [2018-07-23 13:45:38,365 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-07-23 13:45:39,887 INFO L134 CoverageAnalysis]: Checked inductivity of 32640 backedges. 0 proven. 32640 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2018-07-23 13:45:39,887 INFO L309 seRefinementStrategy]: Constructing automaton from 0 perfect and 1 imperfect interpolant sequences. [2018-07-23 13:45:39,888 INFO L324 seRefinementStrategy]: Number of different interpolants: perfect sequences [] imperfect sequences [257] total 257 [2018-07-23 13:45:39,888 INFO L142 lantAutomatonBuilder]: Constructing canonical interpolant automaton, with selfloop in false state [2018-07-23 13:45:39,888 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2018-07-23 13:45:39,889 INFO L185 omatonBuilderFactory]: Interpolants [168962#(<= ULTIMATE.start_main_~x~4 290), 168963#(<= ULTIMATE.start_main_~x~4 292), 168960#(<= ULTIMATE.start_main_~x~4 286), 168961#(<= ULTIMATE.start_main_~x~4 288), 168966#(<= ULTIMATE.start_main_~x~4 298), 168967#(<= ULTIMATE.start_main_~x~4 300), 168964#(<= ULTIMATE.start_main_~x~4 294), 168965#(<= ULTIMATE.start_main_~x~4 296), 168970#(<= ULTIMATE.start_main_~x~4 306), 168971#(<= ULTIMATE.start_main_~x~4 308), 168968#(<= ULTIMATE.start_main_~x~4 302), 168969#(<= ULTIMATE.start_main_~x~4 304), 168974#(<= ULTIMATE.start_main_~x~4 314), 168975#(<= ULTIMATE.start_main_~x~4 316), 168972#(<= ULTIMATE.start_main_~x~4 310), 168973#(<= ULTIMATE.start_main_~x~4 312), 168978#(<= ULTIMATE.start_main_~x~4 322), 168979#(<= ULTIMATE.start_main_~x~4 324), 168976#(<= ULTIMATE.start_main_~x~4 318), 168977#(<= ULTIMATE.start_main_~x~4 320), 168982#(<= ULTIMATE.start_main_~x~4 330), 168983#(<= ULTIMATE.start_main_~x~4 332), 168980#(<= ULTIMATE.start_main_~x~4 326), 168981#(<= ULTIMATE.start_main_~x~4 328), 168986#(<= ULTIMATE.start_main_~x~4 338), 168987#(<= ULTIMATE.start_main_~x~4 340), 168984#(<= ULTIMATE.start_main_~x~4 334), 168985#(<= ULTIMATE.start_main_~x~4 336), 168990#(<= ULTIMATE.start_main_~x~4 346), 168991#(<= ULTIMATE.start_main_~x~4 348), 168988#(<= ULTIMATE.start_main_~x~4 342), 168989#(<= ULTIMATE.start_main_~x~4 344), 168994#(<= ULTIMATE.start_main_~x~4 354), 168995#(<= ULTIMATE.start_main_~x~4 356), 168992#(<= ULTIMATE.start_main_~x~4 350), 168993#(<= ULTIMATE.start_main_~x~4 352), 168998#(<= ULTIMATE.start_main_~x~4 362), 168999#(<= ULTIMATE.start_main_~x~4 364), 168996#(<= ULTIMATE.start_main_~x~4 358), 168997#(<= ULTIMATE.start_main_~x~4 360), 169002#(<= ULTIMATE.start_main_~x~4 370), 169003#(<= ULTIMATE.start_main_~x~4 372), 169000#(<= ULTIMATE.start_main_~x~4 366), 169001#(<= ULTIMATE.start_main_~x~4 368), 169006#(<= ULTIMATE.start_main_~x~4 378), 169007#(<= ULTIMATE.start_main_~x~4 380), 169004#(<= ULTIMATE.start_main_~x~4 374), 169005#(<= ULTIMATE.start_main_~x~4 376), 169010#(<= ULTIMATE.start_main_~x~4 386), 169011#(<= ULTIMATE.start_main_~x~4 388), 169008#(<= ULTIMATE.start_main_~x~4 382), 169009#(<= ULTIMATE.start_main_~x~4 384), 169014#(<= ULTIMATE.start_main_~x~4 394), 169015#(<= ULTIMATE.start_main_~x~4 396), 169012#(<= ULTIMATE.start_main_~x~4 390), 169013#(<= ULTIMATE.start_main_~x~4 392), 169018#(<= ULTIMATE.start_main_~x~4 402), 169019#(<= ULTIMATE.start_main_~x~4 404), 169016#(<= ULTIMATE.start_main_~x~4 398), 169017#(<= ULTIMATE.start_main_~x~4 400), 169022#(<= ULTIMATE.start_main_~x~4 410), 169023#(<= ULTIMATE.start_main_~x~4 412), 169020#(<= ULTIMATE.start_main_~x~4 406), 169021#(<= ULTIMATE.start_main_~x~4 408), 169026#(<= ULTIMATE.start_main_~x~4 418), 169027#(<= ULTIMATE.start_main_~x~4 420), 169024#(<= ULTIMATE.start_main_~x~4 414), 169025#(<= ULTIMATE.start_main_~x~4 416), 169030#(<= ULTIMATE.start_main_~x~4 426), 169031#(<= ULTIMATE.start_main_~x~4 428), 169028#(<= ULTIMATE.start_main_~x~4 422), 169029#(<= ULTIMATE.start_main_~x~4 424), 169034#(<= ULTIMATE.start_main_~x~4 434), 169035#(<= ULTIMATE.start_main_~x~4 436), 169032#(<= ULTIMATE.start_main_~x~4 430), 169033#(<= ULTIMATE.start_main_~x~4 432), 169038#(<= ULTIMATE.start_main_~x~4 442), 169039#(<= ULTIMATE.start_main_~x~4 444), 169036#(<= ULTIMATE.start_main_~x~4 438), 169037#(<= ULTIMATE.start_main_~x~4 440), 169042#(<= ULTIMATE.start_main_~x~4 450), 169043#(<= ULTIMATE.start_main_~x~4 452), 169040#(<= ULTIMATE.start_main_~x~4 446), 169041#(<= ULTIMATE.start_main_~x~4 448), 169046#(<= ULTIMATE.start_main_~x~4 458), 169047#(<= ULTIMATE.start_main_~x~4 460), 169044#(<= ULTIMATE.start_main_~x~4 454), 169045#(<= ULTIMATE.start_main_~x~4 456), 169050#(<= ULTIMATE.start_main_~x~4 466), 169051#(<= ULTIMATE.start_main_~x~4 468), 169048#(<= ULTIMATE.start_main_~x~4 462), 169049#(<= ULTIMATE.start_main_~x~4 464), 169054#(<= ULTIMATE.start_main_~x~4 474), 169055#(<= ULTIMATE.start_main_~x~4 476), 169052#(<= ULTIMATE.start_main_~x~4 470), 169053#(<= ULTIMATE.start_main_~x~4 472), 169058#(<= ULTIMATE.start_main_~x~4 482), 169059#(<= ULTIMATE.start_main_~x~4 484), 169056#(<= ULTIMATE.start_main_~x~4 478), 169057#(<= ULTIMATE.start_main_~x~4 480), 169062#(<= ULTIMATE.start_main_~x~4 490), 169063#(<= ULTIMATE.start_main_~x~4 492), 169060#(<= ULTIMATE.start_main_~x~4 486), 169061#(<= ULTIMATE.start_main_~x~4 488), 169066#(<= ULTIMATE.start_main_~x~4 498), 169067#(<= ULTIMATE.start_main_~x~4 500), 169064#(<= ULTIMATE.start_main_~x~4 494), 169065#(<= ULTIMATE.start_main_~x~4 496), 169070#(<= ULTIMATE.start_main_~x~4 506), 169071#(<= ULTIMATE.start_main_~x~4 508), 169068#(<= ULTIMATE.start_main_~x~4 502), 169069#(<= ULTIMATE.start_main_~x~4 504), 169074#(<= ULTIMATE.start_main_~x~4 514), 169075#(<= ULTIMATE.start_main_~x~4 516), 169072#(<= ULTIMATE.start_main_~x~4 510), 169073#(<= ULTIMATE.start_main_~x~4 512), 169076#(<= ULTIMATE.start_main_~x~4 518), 169077#(<= ULTIMATE.start_main_~x~4 520), 168822#(<= ULTIMATE.start_main_~x~4 10), 168823#(<= ULTIMATE.start_main_~x~4 12), 168820#true, 168821#false, 168826#(<= ULTIMATE.start_main_~x~4 18), 168827#(<= ULTIMATE.start_main_~x~4 20), 168824#(<= ULTIMATE.start_main_~x~4 14), 168825#(<= ULTIMATE.start_main_~x~4 16), 168830#(<= ULTIMATE.start_main_~x~4 26), 168831#(<= ULTIMATE.start_main_~x~4 28), 168828#(<= ULTIMATE.start_main_~x~4 22), 168829#(<= ULTIMATE.start_main_~x~4 24), 168834#(<= ULTIMATE.start_main_~x~4 34), 168835#(<= ULTIMATE.start_main_~x~4 36), 168832#(<= ULTIMATE.start_main_~x~4 30), 168833#(<= ULTIMATE.start_main_~x~4 32), 168838#(<= ULTIMATE.start_main_~x~4 42), 168839#(<= ULTIMATE.start_main_~x~4 44), 168836#(<= ULTIMATE.start_main_~x~4 38), 168837#(<= ULTIMATE.start_main_~x~4 40), 168842#(<= ULTIMATE.start_main_~x~4 50), 168843#(<= ULTIMATE.start_main_~x~4 52), 168840#(<= ULTIMATE.start_main_~x~4 46), 168841#(<= ULTIMATE.start_main_~x~4 48), 168846#(<= ULTIMATE.start_main_~x~4 58), 168847#(<= ULTIMATE.start_main_~x~4 60), 168844#(<= ULTIMATE.start_main_~x~4 54), 168845#(<= ULTIMATE.start_main_~x~4 56), 168850#(<= ULTIMATE.start_main_~x~4 66), 168851#(<= ULTIMATE.start_main_~x~4 68), 168848#(<= ULTIMATE.start_main_~x~4 62), 168849#(<= ULTIMATE.start_main_~x~4 64), 168854#(<= ULTIMATE.start_main_~x~4 74), 168855#(<= ULTIMATE.start_main_~x~4 76), 168852#(<= ULTIMATE.start_main_~x~4 70), 168853#(<= ULTIMATE.start_main_~x~4 72), 168858#(<= ULTIMATE.start_main_~x~4 82), 168859#(<= ULTIMATE.start_main_~x~4 84), 168856#(<= ULTIMATE.start_main_~x~4 78), 168857#(<= ULTIMATE.start_main_~x~4 80), 168862#(<= ULTIMATE.start_main_~x~4 90), 168863#(<= ULTIMATE.start_main_~x~4 92), 168860#(<= ULTIMATE.start_main_~x~4 86), 168861#(<= ULTIMATE.start_main_~x~4 88), 168866#(<= ULTIMATE.start_main_~x~4 98), 168867#(<= ULTIMATE.start_main_~x~4 100), 168864#(<= ULTIMATE.start_main_~x~4 94), 168865#(<= ULTIMATE.start_main_~x~4 96), 168870#(<= ULTIMATE.start_main_~x~4 106), 168871#(<= ULTIMATE.start_main_~x~4 108), 168868#(<= ULTIMATE.start_main_~x~4 102), 168869#(<= ULTIMATE.start_main_~x~4 104), 168874#(<= ULTIMATE.start_main_~x~4 114), 168875#(<= ULTIMATE.start_main_~x~4 116), 168872#(<= ULTIMATE.start_main_~x~4 110), 168873#(<= ULTIMATE.start_main_~x~4 112), 168878#(<= ULTIMATE.start_main_~x~4 122), 168879#(<= ULTIMATE.start_main_~x~4 124), 168876#(<= ULTIMATE.start_main_~x~4 118), 168877#(<= ULTIMATE.start_main_~x~4 120), 168882#(<= ULTIMATE.start_main_~x~4 130), 168883#(<= ULTIMATE.start_main_~x~4 132), 168880#(<= ULTIMATE.start_main_~x~4 126), 168881#(<= ULTIMATE.start_main_~x~4 128), 168886#(<= ULTIMATE.start_main_~x~4 138), 168887#(<= ULTIMATE.start_main_~x~4 140), 168884#(<= ULTIMATE.start_main_~x~4 134), 168885#(<= ULTIMATE.start_main_~x~4 136), 168890#(<= ULTIMATE.start_main_~x~4 146), 168891#(<= ULTIMATE.start_main_~x~4 148), 168888#(<= ULTIMATE.start_main_~x~4 142), 168889#(<= ULTIMATE.start_main_~x~4 144), 168894#(<= ULTIMATE.start_main_~x~4 154), 168895#(<= ULTIMATE.start_main_~x~4 156), 168892#(<= ULTIMATE.start_main_~x~4 150), 168893#(<= ULTIMATE.start_main_~x~4 152), 168898#(<= ULTIMATE.start_main_~x~4 162), 168899#(<= ULTIMATE.start_main_~x~4 164), 168896#(<= ULTIMATE.start_main_~x~4 158), 168897#(<= ULTIMATE.start_main_~x~4 160), 168902#(<= ULTIMATE.start_main_~x~4 170), 168903#(<= ULTIMATE.start_main_~x~4 172), 168900#(<= ULTIMATE.start_main_~x~4 166), 168901#(<= ULTIMATE.start_main_~x~4 168), 168906#(<= ULTIMATE.start_main_~x~4 178), 168907#(<= ULTIMATE.start_main_~x~4 180), 168904#(<= ULTIMATE.start_main_~x~4 174), 168905#(<= ULTIMATE.start_main_~x~4 176), 168910#(<= ULTIMATE.start_main_~x~4 186), 168911#(<= ULTIMATE.start_main_~x~4 188), 168908#(<= ULTIMATE.start_main_~x~4 182), 168909#(<= ULTIMATE.start_main_~x~4 184), 168914#(<= ULTIMATE.start_main_~x~4 194), 168915#(<= ULTIMATE.start_main_~x~4 196), 168912#(<= ULTIMATE.start_main_~x~4 190), 168913#(<= ULTIMATE.start_main_~x~4 192), 168918#(<= ULTIMATE.start_main_~x~4 202), 168919#(<= ULTIMATE.start_main_~x~4 204), 168916#(<= ULTIMATE.start_main_~x~4 198), 168917#(<= ULTIMATE.start_main_~x~4 200), 168922#(<= ULTIMATE.start_main_~x~4 210), 168923#(<= ULTIMATE.start_main_~x~4 212), 168920#(<= ULTIMATE.start_main_~x~4 206), 168921#(<= ULTIMATE.start_main_~x~4 208), 168926#(<= ULTIMATE.start_main_~x~4 218), 168927#(<= ULTIMATE.start_main_~x~4 220), 168924#(<= ULTIMATE.start_main_~x~4 214), 168925#(<= ULTIMATE.start_main_~x~4 216), 168930#(<= ULTIMATE.start_main_~x~4 226), 168931#(<= ULTIMATE.start_main_~x~4 228), 168928#(<= ULTIMATE.start_main_~x~4 222), 168929#(<= ULTIMATE.start_main_~x~4 224), 168934#(<= ULTIMATE.start_main_~x~4 234), 168935#(<= ULTIMATE.start_main_~x~4 236), 168932#(<= ULTIMATE.start_main_~x~4 230), 168933#(<= ULTIMATE.start_main_~x~4 232), 168938#(<= ULTIMATE.start_main_~x~4 242), 168939#(<= ULTIMATE.start_main_~x~4 244), 168936#(<= ULTIMATE.start_main_~x~4 238), 168937#(<= ULTIMATE.start_main_~x~4 240), 168942#(<= ULTIMATE.start_main_~x~4 250), 168943#(<= ULTIMATE.start_main_~x~4 252), 168940#(<= ULTIMATE.start_main_~x~4 246), 168941#(<= ULTIMATE.start_main_~x~4 248), 168946#(<= ULTIMATE.start_main_~x~4 258), 168947#(<= ULTIMATE.start_main_~x~4 260), 168944#(<= ULTIMATE.start_main_~x~4 254), 168945#(<= ULTIMATE.start_main_~x~4 256), 168950#(<= ULTIMATE.start_main_~x~4 266), 168951#(<= ULTIMATE.start_main_~x~4 268), 168948#(<= ULTIMATE.start_main_~x~4 262), 168949#(<= ULTIMATE.start_main_~x~4 264), 168954#(<= ULTIMATE.start_main_~x~4 274), 168955#(<= ULTIMATE.start_main_~x~4 276), 168952#(<= ULTIMATE.start_main_~x~4 270), 168953#(<= ULTIMATE.start_main_~x~4 272), 168958#(<= ULTIMATE.start_main_~x~4 282), 168959#(<= ULTIMATE.start_main_~x~4 284), 168956#(<= ULTIMATE.start_main_~x~4 278), 168957#(<= ULTIMATE.start_main_~x~4 280)] [2018-07-23 13:45:39,890 INFO L134 CoverageAnalysis]: Checked inductivity of 32640 backedges. 0 proven. 32640 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2018-07-23 13:45:39,891 INFO L450 AbstractCegarLoop]: Interpolant automaton has 258 states [2018-07-23 13:45:39,893 INFO L132 InterpolantAutomaton]: Constructing interpolant automaton starting with 258 interpolants. [2018-07-23 13:45:39,895 INFO L133 InterpolantAutomaton]: CoverageRelationStatistics Valid=33153, Invalid=33153, Unknown=0, NotChecked=0, Total=66306 [2018-07-23 13:45:39,895 INFO L87 Difference]: Start difference. First operand 259 states and 259 transitions. Second operand 258 states. [2018-07-23 13:45:40,553 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2018-07-23 13:45:40,554 INFO L93 Difference]: Finished difference Result 262 states and 262 transitions. [2018-07-23 13:45:40,554 INFO L142 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 258 states. [2018-07-23 13:45:40,554 INFO L78 Accepts]: Start accepts. Automaton has 258 states. Word has length 258 [2018-07-23 13:45:40,554 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2018-07-23 13:45:40,555 INFO L225 Difference]: With dead ends: 262 [2018-07-23 13:45:40,555 INFO L226 Difference]: Without dead ends: 260 [2018-07-23 13:45:40,558 INFO L575 BasicCegarLoop]: 0 DeclaredPredicates, 257 GetRequests, 1 SyntacticMatches, 0 SemanticMatches, 256 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 0 ImplicationChecksByTransitivity, 1.4s TimeCoverageRelationStatistics Valid=33153, Invalid=33153, Unknown=0, NotChecked=0, Total=66306 [2018-07-23 13:45:40,558 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 260 states. [2018-07-23 13:45:40,561 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 260 to 260. [2018-07-23 13:45:40,561 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 260 states. [2018-07-23 13:45:40,562 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 260 states to 260 states and 260 transitions. [2018-07-23 13:45:40,562 INFO L78 Accepts]: Start accepts. Automaton has 260 states and 260 transitions. Word has length 258 [2018-07-23 13:45:40,562 INFO L84 Accepts]: Finished accepts. word is rejected. [2018-07-23 13:45:40,562 INFO L471 AbstractCegarLoop]: Abstraction has 260 states and 260 transitions. [2018-07-23 13:45:40,562 INFO L472 AbstractCegarLoop]: Interpolant automaton has 258 states. [2018-07-23 13:45:40,562 INFO L276 IsEmpty]: Start isEmpty. Operand 260 states and 260 transitions. [2018-07-23 13:45:40,563 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 260 [2018-07-23 13:45:40,563 INFO L349 BasicCegarLoop]: Found error trace [2018-07-23 13:45:40,564 INFO L357 BasicCegarLoop]: trace histogram [256, 1, 1, 1] [2018-07-23 13:45:40,564 INFO L414 AbstractCegarLoop]: === Iteration 257 === [ULTIMATE.startErr0AssertViolationASSERT]=== [2018-07-23 13:45:40,564 INFO L82 PathProgramCache]: Analyzing trace with hash 1884087617, now seen corresponding path program 256 times [2018-07-23 13:45:40,564 INFO L69 tionRefinementEngine]: Using refinement strategy FixedRefinementStrategy [2018-07-23 13:45:40,589 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-07-23 13:45:42,100 INFO L134 CoverageAnalysis]: Checked inductivity of 32896 backedges. 0 proven. 32896 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2018-07-23 13:45:42,100 INFO L309 seRefinementStrategy]: Constructing automaton from 0 perfect and 1 imperfect interpolant sequences. [2018-07-23 13:45:42,101 INFO L324 seRefinementStrategy]: Number of different interpolants: perfect sequences [] imperfect sequences [258] total 258 [2018-07-23 13:45:42,101 INFO L142 lantAutomatonBuilder]: Constructing canonical interpolant automaton, with selfloop in false state [2018-07-23 13:45:42,101 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2018-07-23 13:45:42,101 INFO L185 omatonBuilderFactory]: Interpolants [170122#true, 170123#false, 170126#(<= ULTIMATE.start_main_~x~4 14), 170127#(<= ULTIMATE.start_main_~x~4 16), 170124#(<= ULTIMATE.start_main_~x~4 10), 170125#(<= ULTIMATE.start_main_~x~4 12), 170130#(<= ULTIMATE.start_main_~x~4 22), 170131#(<= ULTIMATE.start_main_~x~4 24), 170128#(<= ULTIMATE.start_main_~x~4 18), 170129#(<= ULTIMATE.start_main_~x~4 20), 170134#(<= ULTIMATE.start_main_~x~4 30), 170135#(<= ULTIMATE.start_main_~x~4 32), 170132#(<= ULTIMATE.start_main_~x~4 26), 170133#(<= ULTIMATE.start_main_~x~4 28), 170138#(<= ULTIMATE.start_main_~x~4 38), 170139#(<= ULTIMATE.start_main_~x~4 40), 170136#(<= ULTIMATE.start_main_~x~4 34), 170137#(<= ULTIMATE.start_main_~x~4 36), 170142#(<= ULTIMATE.start_main_~x~4 46), 170143#(<= ULTIMATE.start_main_~x~4 48), 170140#(<= ULTIMATE.start_main_~x~4 42), 170141#(<= ULTIMATE.start_main_~x~4 44), 170146#(<= ULTIMATE.start_main_~x~4 54), 170147#(<= ULTIMATE.start_main_~x~4 56), 170144#(<= ULTIMATE.start_main_~x~4 50), 170145#(<= ULTIMATE.start_main_~x~4 52), 170150#(<= ULTIMATE.start_main_~x~4 62), 170151#(<= ULTIMATE.start_main_~x~4 64), 170148#(<= ULTIMATE.start_main_~x~4 58), 170149#(<= ULTIMATE.start_main_~x~4 60), 170154#(<= ULTIMATE.start_main_~x~4 70), 170155#(<= ULTIMATE.start_main_~x~4 72), 170152#(<= ULTIMATE.start_main_~x~4 66), 170153#(<= ULTIMATE.start_main_~x~4 68), 170158#(<= ULTIMATE.start_main_~x~4 78), 170159#(<= ULTIMATE.start_main_~x~4 80), 170156#(<= ULTIMATE.start_main_~x~4 74), 170157#(<= ULTIMATE.start_main_~x~4 76), 170162#(<= ULTIMATE.start_main_~x~4 86), 170163#(<= ULTIMATE.start_main_~x~4 88), 170160#(<= ULTIMATE.start_main_~x~4 82), 170161#(<= ULTIMATE.start_main_~x~4 84), 170166#(<= ULTIMATE.start_main_~x~4 94), 170167#(<= ULTIMATE.start_main_~x~4 96), 170164#(<= ULTIMATE.start_main_~x~4 90), 170165#(<= ULTIMATE.start_main_~x~4 92), 170170#(<= ULTIMATE.start_main_~x~4 102), 170171#(<= ULTIMATE.start_main_~x~4 104), 170168#(<= ULTIMATE.start_main_~x~4 98), 170169#(<= ULTIMATE.start_main_~x~4 100), 170174#(<= ULTIMATE.start_main_~x~4 110), 170175#(<= ULTIMATE.start_main_~x~4 112), 170172#(<= ULTIMATE.start_main_~x~4 106), 170173#(<= ULTIMATE.start_main_~x~4 108), 170178#(<= ULTIMATE.start_main_~x~4 118), 170179#(<= ULTIMATE.start_main_~x~4 120), 170176#(<= ULTIMATE.start_main_~x~4 114), 170177#(<= ULTIMATE.start_main_~x~4 116), 170182#(<= ULTIMATE.start_main_~x~4 126), 170183#(<= ULTIMATE.start_main_~x~4 128), 170180#(<= ULTIMATE.start_main_~x~4 122), 170181#(<= ULTIMATE.start_main_~x~4 124), 170186#(<= ULTIMATE.start_main_~x~4 134), 170187#(<= ULTIMATE.start_main_~x~4 136), 170184#(<= ULTIMATE.start_main_~x~4 130), 170185#(<= ULTIMATE.start_main_~x~4 132), 170190#(<= ULTIMATE.start_main_~x~4 142), 170191#(<= ULTIMATE.start_main_~x~4 144), 170188#(<= ULTIMATE.start_main_~x~4 138), 170189#(<= ULTIMATE.start_main_~x~4 140), 170194#(<= ULTIMATE.start_main_~x~4 150), 170195#(<= ULTIMATE.start_main_~x~4 152), 170192#(<= ULTIMATE.start_main_~x~4 146), 170193#(<= ULTIMATE.start_main_~x~4 148), 170198#(<= ULTIMATE.start_main_~x~4 158), 170199#(<= ULTIMATE.start_main_~x~4 160), 170196#(<= ULTIMATE.start_main_~x~4 154), 170197#(<= ULTIMATE.start_main_~x~4 156), 170202#(<= ULTIMATE.start_main_~x~4 166), 170203#(<= ULTIMATE.start_main_~x~4 168), 170200#(<= ULTIMATE.start_main_~x~4 162), 170201#(<= ULTIMATE.start_main_~x~4 164), 170206#(<= ULTIMATE.start_main_~x~4 174), 170207#(<= ULTIMATE.start_main_~x~4 176), 170204#(<= ULTIMATE.start_main_~x~4 170), 170205#(<= ULTIMATE.start_main_~x~4 172), 170210#(<= ULTIMATE.start_main_~x~4 182), 170211#(<= ULTIMATE.start_main_~x~4 184), 170208#(<= ULTIMATE.start_main_~x~4 178), 170209#(<= ULTIMATE.start_main_~x~4 180), 170214#(<= ULTIMATE.start_main_~x~4 190), 170215#(<= ULTIMATE.start_main_~x~4 192), 170212#(<= ULTIMATE.start_main_~x~4 186), 170213#(<= ULTIMATE.start_main_~x~4 188), 170218#(<= ULTIMATE.start_main_~x~4 198), 170219#(<= ULTIMATE.start_main_~x~4 200), 170216#(<= ULTIMATE.start_main_~x~4 194), 170217#(<= ULTIMATE.start_main_~x~4 196), 170222#(<= ULTIMATE.start_main_~x~4 206), 170223#(<= ULTIMATE.start_main_~x~4 208), 170220#(<= ULTIMATE.start_main_~x~4 202), 170221#(<= ULTIMATE.start_main_~x~4 204), 170226#(<= ULTIMATE.start_main_~x~4 214), 170227#(<= ULTIMATE.start_main_~x~4 216), 170224#(<= ULTIMATE.start_main_~x~4 210), 170225#(<= ULTIMATE.start_main_~x~4 212), 170230#(<= ULTIMATE.start_main_~x~4 222), 170231#(<= ULTIMATE.start_main_~x~4 224), 170228#(<= ULTIMATE.start_main_~x~4 218), 170229#(<= ULTIMATE.start_main_~x~4 220), 170234#(<= ULTIMATE.start_main_~x~4 230), 170235#(<= ULTIMATE.start_main_~x~4 232), 170232#(<= ULTIMATE.start_main_~x~4 226), 170233#(<= ULTIMATE.start_main_~x~4 228), 170238#(<= ULTIMATE.start_main_~x~4 238), 170239#(<= ULTIMATE.start_main_~x~4 240), 170236#(<= ULTIMATE.start_main_~x~4 234), 170237#(<= ULTIMATE.start_main_~x~4 236), 170242#(<= ULTIMATE.start_main_~x~4 246), 170243#(<= ULTIMATE.start_main_~x~4 248), 170240#(<= ULTIMATE.start_main_~x~4 242), 170241#(<= ULTIMATE.start_main_~x~4 244), 170246#(<= ULTIMATE.start_main_~x~4 254), 170247#(<= ULTIMATE.start_main_~x~4 256), 170244#(<= ULTIMATE.start_main_~x~4 250), 170245#(<= ULTIMATE.start_main_~x~4 252), 170250#(<= ULTIMATE.start_main_~x~4 262), 170251#(<= ULTIMATE.start_main_~x~4 264), 170248#(<= ULTIMATE.start_main_~x~4 258), 170249#(<= ULTIMATE.start_main_~x~4 260), 170254#(<= ULTIMATE.start_main_~x~4 270), 170255#(<= ULTIMATE.start_main_~x~4 272), 170252#(<= ULTIMATE.start_main_~x~4 266), 170253#(<= ULTIMATE.start_main_~x~4 268), 170258#(<= ULTIMATE.start_main_~x~4 278), 170259#(<= ULTIMATE.start_main_~x~4 280), 170256#(<= ULTIMATE.start_main_~x~4 274), 170257#(<= ULTIMATE.start_main_~x~4 276), 170262#(<= ULTIMATE.start_main_~x~4 286), 170263#(<= ULTIMATE.start_main_~x~4 288), 170260#(<= ULTIMATE.start_main_~x~4 282), 170261#(<= ULTIMATE.start_main_~x~4 284), 170266#(<= ULTIMATE.start_main_~x~4 294), 170267#(<= ULTIMATE.start_main_~x~4 296), 170264#(<= ULTIMATE.start_main_~x~4 290), 170265#(<= ULTIMATE.start_main_~x~4 292), 170270#(<= ULTIMATE.start_main_~x~4 302), 170271#(<= ULTIMATE.start_main_~x~4 304), 170268#(<= ULTIMATE.start_main_~x~4 298), 170269#(<= ULTIMATE.start_main_~x~4 300), 170274#(<= ULTIMATE.start_main_~x~4 310), 170275#(<= ULTIMATE.start_main_~x~4 312), 170272#(<= ULTIMATE.start_main_~x~4 306), 170273#(<= ULTIMATE.start_main_~x~4 308), 170278#(<= ULTIMATE.start_main_~x~4 318), 170279#(<= ULTIMATE.start_main_~x~4 320), 170276#(<= ULTIMATE.start_main_~x~4 314), 170277#(<= ULTIMATE.start_main_~x~4 316), 170282#(<= ULTIMATE.start_main_~x~4 326), 170283#(<= ULTIMATE.start_main_~x~4 328), 170280#(<= ULTIMATE.start_main_~x~4 322), 170281#(<= ULTIMATE.start_main_~x~4 324), 170286#(<= ULTIMATE.start_main_~x~4 334), 170287#(<= ULTIMATE.start_main_~x~4 336), 170284#(<= ULTIMATE.start_main_~x~4 330), 170285#(<= ULTIMATE.start_main_~x~4 332), 170290#(<= ULTIMATE.start_main_~x~4 342), 170291#(<= ULTIMATE.start_main_~x~4 344), 170288#(<= ULTIMATE.start_main_~x~4 338), 170289#(<= ULTIMATE.start_main_~x~4 340), 170294#(<= ULTIMATE.start_main_~x~4 350), 170295#(<= ULTIMATE.start_main_~x~4 352), 170292#(<= ULTIMATE.start_main_~x~4 346), 170293#(<= ULTIMATE.start_main_~x~4 348), 170298#(<= ULTIMATE.start_main_~x~4 358), 170299#(<= ULTIMATE.start_main_~x~4 360), 170296#(<= ULTIMATE.start_main_~x~4 354), 170297#(<= ULTIMATE.start_main_~x~4 356), 170302#(<= ULTIMATE.start_main_~x~4 366), 170303#(<= ULTIMATE.start_main_~x~4 368), 170300#(<= ULTIMATE.start_main_~x~4 362), 170301#(<= ULTIMATE.start_main_~x~4 364), 170306#(<= ULTIMATE.start_main_~x~4 374), 170307#(<= ULTIMATE.start_main_~x~4 376), 170304#(<= ULTIMATE.start_main_~x~4 370), 170305#(<= ULTIMATE.start_main_~x~4 372), 170310#(<= ULTIMATE.start_main_~x~4 382), 170311#(<= ULTIMATE.start_main_~x~4 384), 170308#(<= ULTIMATE.start_main_~x~4 378), 170309#(<= ULTIMATE.start_main_~x~4 380), 170314#(<= ULTIMATE.start_main_~x~4 390), 170315#(<= ULTIMATE.start_main_~x~4 392), 170312#(<= ULTIMATE.start_main_~x~4 386), 170313#(<= ULTIMATE.start_main_~x~4 388), 170318#(<= ULTIMATE.start_main_~x~4 398), 170319#(<= ULTIMATE.start_main_~x~4 400), 170316#(<= ULTIMATE.start_main_~x~4 394), 170317#(<= ULTIMATE.start_main_~x~4 396), 170322#(<= ULTIMATE.start_main_~x~4 406), 170323#(<= ULTIMATE.start_main_~x~4 408), 170320#(<= ULTIMATE.start_main_~x~4 402), 170321#(<= ULTIMATE.start_main_~x~4 404), 170326#(<= ULTIMATE.start_main_~x~4 414), 170327#(<= ULTIMATE.start_main_~x~4 416), 170324#(<= ULTIMATE.start_main_~x~4 410), 170325#(<= ULTIMATE.start_main_~x~4 412), 170330#(<= ULTIMATE.start_main_~x~4 422), 170331#(<= ULTIMATE.start_main_~x~4 424), 170328#(<= ULTIMATE.start_main_~x~4 418), 170329#(<= ULTIMATE.start_main_~x~4 420), 170334#(<= ULTIMATE.start_main_~x~4 430), 170335#(<= ULTIMATE.start_main_~x~4 432), 170332#(<= ULTIMATE.start_main_~x~4 426), 170333#(<= ULTIMATE.start_main_~x~4 428), 170338#(<= ULTIMATE.start_main_~x~4 438), 170339#(<= ULTIMATE.start_main_~x~4 440), 170336#(<= ULTIMATE.start_main_~x~4 434), 170337#(<= ULTIMATE.start_main_~x~4 436), 170342#(<= ULTIMATE.start_main_~x~4 446), 170343#(<= ULTIMATE.start_main_~x~4 448), 170340#(<= ULTIMATE.start_main_~x~4 442), 170341#(<= ULTIMATE.start_main_~x~4 444), 170346#(<= ULTIMATE.start_main_~x~4 454), 170347#(<= ULTIMATE.start_main_~x~4 456), 170344#(<= ULTIMATE.start_main_~x~4 450), 170345#(<= ULTIMATE.start_main_~x~4 452), 170350#(<= ULTIMATE.start_main_~x~4 462), 170351#(<= ULTIMATE.start_main_~x~4 464), 170348#(<= ULTIMATE.start_main_~x~4 458), 170349#(<= ULTIMATE.start_main_~x~4 460), 170354#(<= ULTIMATE.start_main_~x~4 470), 170355#(<= ULTIMATE.start_main_~x~4 472), 170352#(<= ULTIMATE.start_main_~x~4 466), 170353#(<= ULTIMATE.start_main_~x~4 468), 170358#(<= ULTIMATE.start_main_~x~4 478), 170359#(<= ULTIMATE.start_main_~x~4 480), 170356#(<= ULTIMATE.start_main_~x~4 474), 170357#(<= ULTIMATE.start_main_~x~4 476), 170362#(<= ULTIMATE.start_main_~x~4 486), 170363#(<= ULTIMATE.start_main_~x~4 488), 170360#(<= ULTIMATE.start_main_~x~4 482), 170361#(<= ULTIMATE.start_main_~x~4 484), 170366#(<= ULTIMATE.start_main_~x~4 494), 170367#(<= ULTIMATE.start_main_~x~4 496), 170364#(<= ULTIMATE.start_main_~x~4 490), 170365#(<= ULTIMATE.start_main_~x~4 492), 170370#(<= ULTIMATE.start_main_~x~4 502), 170371#(<= ULTIMATE.start_main_~x~4 504), 170368#(<= ULTIMATE.start_main_~x~4 498), 170369#(<= ULTIMATE.start_main_~x~4 500), 170374#(<= ULTIMATE.start_main_~x~4 510), 170375#(<= ULTIMATE.start_main_~x~4 512), 170372#(<= ULTIMATE.start_main_~x~4 506), 170373#(<= ULTIMATE.start_main_~x~4 508), 170378#(<= ULTIMATE.start_main_~x~4 518), 170379#(<= ULTIMATE.start_main_~x~4 520), 170376#(<= ULTIMATE.start_main_~x~4 514), 170377#(<= ULTIMATE.start_main_~x~4 516), 170380#(<= ULTIMATE.start_main_~x~4 522)] [2018-07-23 13:45:42,103 INFO L134 CoverageAnalysis]: Checked inductivity of 32896 backedges. 0 proven. 32896 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2018-07-23 13:45:42,104 INFO L450 AbstractCegarLoop]: Interpolant automaton has 259 states [2018-07-23 13:45:42,109 INFO L132 InterpolantAutomaton]: Constructing interpolant automaton starting with 259 interpolants. [2018-07-23 13:45:42,115 INFO L133 InterpolantAutomaton]: CoverageRelationStatistics Valid=33411, Invalid=33411, Unknown=0, NotChecked=0, Total=66822 [2018-07-23 13:45:42,115 INFO L87 Difference]: Start difference. First operand 260 states and 260 transitions. Second operand 259 states. [2018-07-23 13:45:44,214 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2018-07-23 13:45:44,215 INFO L93 Difference]: Finished difference Result 263 states and 263 transitions. [2018-07-23 13:45:44,215 INFO L142 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 259 states. [2018-07-23 13:45:44,215 INFO L78 Accepts]: Start accepts. Automaton has 259 states. Word has length 259 [2018-07-23 13:45:44,215 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2018-07-23 13:45:44,216 INFO L225 Difference]: With dead ends: 263 [2018-07-23 13:45:44,216 INFO L226 Difference]: Without dead ends: 261 [2018-07-23 13:45:44,221 INFO L575 BasicCegarLoop]: 0 DeclaredPredicates, 258 GetRequests, 1 SyntacticMatches, 0 SemanticMatches, 257 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 0 ImplicationChecksByTransitivity, 1.4s TimeCoverageRelationStatistics Valid=33411, Invalid=33411, Unknown=0, NotChecked=0, Total=66822 [2018-07-23 13:45:44,222 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 261 states. [2018-07-23 13:45:44,224 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 261 to 261. [2018-07-23 13:45:44,224 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 261 states. [2018-07-23 13:45:44,224 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 261 states to 261 states and 261 transitions. [2018-07-23 13:45:44,225 INFO L78 Accepts]: Start accepts. Automaton has 261 states and 261 transitions. Word has length 259 [2018-07-23 13:45:44,225 INFO L84 Accepts]: Finished accepts. word is rejected. [2018-07-23 13:45:44,225 INFO L471 AbstractCegarLoop]: Abstraction has 261 states and 261 transitions. [2018-07-23 13:45:44,225 INFO L472 AbstractCegarLoop]: Interpolant automaton has 259 states. [2018-07-23 13:45:44,225 INFO L276 IsEmpty]: Start isEmpty. Operand 261 states and 261 transitions. [2018-07-23 13:45:44,226 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 261 [2018-07-23 13:45:44,226 INFO L349 BasicCegarLoop]: Found error trace [2018-07-23 13:45:44,226 INFO L357 BasicCegarLoop]: trace histogram [257, 1, 1, 1] [2018-07-23 13:45:44,226 INFO L414 AbstractCegarLoop]: === Iteration 258 === [ULTIMATE.startErr0AssertViolationASSERT]=== [2018-07-23 13:45:44,226 INFO L82 PathProgramCache]: Analyzing trace with hash -1722827992, now seen corresponding path program 257 times [2018-07-23 13:45:44,226 INFO L69 tionRefinementEngine]: Using refinement strategy FixedRefinementStrategy [2018-07-23 13:45:44,251 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-07-23 13:45:45,695 INFO L134 CoverageAnalysis]: Checked inductivity of 33153 backedges. 0 proven. 33153 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2018-07-23 13:45:45,695 INFO L309 seRefinementStrategy]: Constructing automaton from 0 perfect and 1 imperfect interpolant sequences. [2018-07-23 13:45:45,695 INFO L324 seRefinementStrategy]: Number of different interpolants: perfect sequences [] imperfect sequences [259] total 259 [2018-07-23 13:45:45,696 INFO L142 lantAutomatonBuilder]: Constructing canonical interpolant automaton, with selfloop in false state [2018-07-23 13:45:45,696 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2018-07-23 13:45:45,696 INFO L185 omatonBuilderFactory]: Interpolants [171522#(<= ULTIMATE.start_main_~x~4 192), 171523#(<= ULTIMATE.start_main_~x~4 194), 171520#(<= ULTIMATE.start_main_~x~4 188), 171521#(<= ULTIMATE.start_main_~x~4 190), 171526#(<= ULTIMATE.start_main_~x~4 200), 171527#(<= ULTIMATE.start_main_~x~4 202), 171524#(<= ULTIMATE.start_main_~x~4 196), 171525#(<= ULTIMATE.start_main_~x~4 198), 171530#(<= ULTIMATE.start_main_~x~4 208), 171531#(<= ULTIMATE.start_main_~x~4 210), 171528#(<= ULTIMATE.start_main_~x~4 204), 171529#(<= ULTIMATE.start_main_~x~4 206), 171534#(<= ULTIMATE.start_main_~x~4 216), 171535#(<= ULTIMATE.start_main_~x~4 218), 171532#(<= ULTIMATE.start_main_~x~4 212), 171533#(<= ULTIMATE.start_main_~x~4 214), 171538#(<= ULTIMATE.start_main_~x~4 224), 171539#(<= ULTIMATE.start_main_~x~4 226), 171536#(<= ULTIMATE.start_main_~x~4 220), 171537#(<= ULTIMATE.start_main_~x~4 222), 171542#(<= ULTIMATE.start_main_~x~4 232), 171543#(<= ULTIMATE.start_main_~x~4 234), 171540#(<= ULTIMATE.start_main_~x~4 228), 171541#(<= ULTIMATE.start_main_~x~4 230), 171546#(<= ULTIMATE.start_main_~x~4 240), 171547#(<= ULTIMATE.start_main_~x~4 242), 171544#(<= ULTIMATE.start_main_~x~4 236), 171545#(<= ULTIMATE.start_main_~x~4 238), 171550#(<= ULTIMATE.start_main_~x~4 248), 171551#(<= ULTIMATE.start_main_~x~4 250), 171548#(<= ULTIMATE.start_main_~x~4 244), 171549#(<= ULTIMATE.start_main_~x~4 246), 171554#(<= ULTIMATE.start_main_~x~4 256), 171555#(<= ULTIMATE.start_main_~x~4 258), 171552#(<= ULTIMATE.start_main_~x~4 252), 171553#(<= ULTIMATE.start_main_~x~4 254), 171558#(<= ULTIMATE.start_main_~x~4 264), 171559#(<= ULTIMATE.start_main_~x~4 266), 171556#(<= ULTIMATE.start_main_~x~4 260), 171557#(<= ULTIMATE.start_main_~x~4 262), 171562#(<= ULTIMATE.start_main_~x~4 272), 171563#(<= ULTIMATE.start_main_~x~4 274), 171560#(<= ULTIMATE.start_main_~x~4 268), 171561#(<= ULTIMATE.start_main_~x~4 270), 171566#(<= ULTIMATE.start_main_~x~4 280), 171567#(<= ULTIMATE.start_main_~x~4 282), 171564#(<= ULTIMATE.start_main_~x~4 276), 171565#(<= ULTIMATE.start_main_~x~4 278), 171570#(<= ULTIMATE.start_main_~x~4 288), 171571#(<= ULTIMATE.start_main_~x~4 290), 171568#(<= ULTIMATE.start_main_~x~4 284), 171569#(<= ULTIMATE.start_main_~x~4 286), 171574#(<= ULTIMATE.start_main_~x~4 296), 171575#(<= ULTIMATE.start_main_~x~4 298), 171572#(<= ULTIMATE.start_main_~x~4 292), 171573#(<= ULTIMATE.start_main_~x~4 294), 171578#(<= ULTIMATE.start_main_~x~4 304), 171579#(<= ULTIMATE.start_main_~x~4 306), 171576#(<= ULTIMATE.start_main_~x~4 300), 171577#(<= ULTIMATE.start_main_~x~4 302), 171582#(<= ULTIMATE.start_main_~x~4 312), 171583#(<= ULTIMATE.start_main_~x~4 314), 171580#(<= ULTIMATE.start_main_~x~4 308), 171581#(<= ULTIMATE.start_main_~x~4 310), 171586#(<= ULTIMATE.start_main_~x~4 320), 171587#(<= ULTIMATE.start_main_~x~4 322), 171584#(<= ULTIMATE.start_main_~x~4 316), 171585#(<= ULTIMATE.start_main_~x~4 318), 171590#(<= ULTIMATE.start_main_~x~4 328), 171591#(<= ULTIMATE.start_main_~x~4 330), 171588#(<= ULTIMATE.start_main_~x~4 324), 171589#(<= ULTIMATE.start_main_~x~4 326), 171594#(<= ULTIMATE.start_main_~x~4 336), 171595#(<= ULTIMATE.start_main_~x~4 338), 171592#(<= ULTIMATE.start_main_~x~4 332), 171593#(<= ULTIMATE.start_main_~x~4 334), 171598#(<= ULTIMATE.start_main_~x~4 344), 171599#(<= ULTIMATE.start_main_~x~4 346), 171596#(<= ULTIMATE.start_main_~x~4 340), 171597#(<= ULTIMATE.start_main_~x~4 342), 171602#(<= ULTIMATE.start_main_~x~4 352), 171603#(<= ULTIMATE.start_main_~x~4 354), 171600#(<= ULTIMATE.start_main_~x~4 348), 171601#(<= ULTIMATE.start_main_~x~4 350), 171606#(<= ULTIMATE.start_main_~x~4 360), 171607#(<= ULTIMATE.start_main_~x~4 362), 171604#(<= ULTIMATE.start_main_~x~4 356), 171605#(<= ULTIMATE.start_main_~x~4 358), 171610#(<= ULTIMATE.start_main_~x~4 368), 171611#(<= ULTIMATE.start_main_~x~4 370), 171608#(<= ULTIMATE.start_main_~x~4 364), 171609#(<= ULTIMATE.start_main_~x~4 366), 171614#(<= ULTIMATE.start_main_~x~4 376), 171615#(<= ULTIMATE.start_main_~x~4 378), 171612#(<= ULTIMATE.start_main_~x~4 372), 171613#(<= ULTIMATE.start_main_~x~4 374), 171618#(<= ULTIMATE.start_main_~x~4 384), 171619#(<= ULTIMATE.start_main_~x~4 386), 171616#(<= ULTIMATE.start_main_~x~4 380), 171617#(<= ULTIMATE.start_main_~x~4 382), 171622#(<= ULTIMATE.start_main_~x~4 392), 171623#(<= ULTIMATE.start_main_~x~4 394), 171620#(<= ULTIMATE.start_main_~x~4 388), 171621#(<= ULTIMATE.start_main_~x~4 390), 171626#(<= ULTIMATE.start_main_~x~4 400), 171627#(<= ULTIMATE.start_main_~x~4 402), 171624#(<= ULTIMATE.start_main_~x~4 396), 171625#(<= ULTIMATE.start_main_~x~4 398), 171630#(<= ULTIMATE.start_main_~x~4 408), 171631#(<= ULTIMATE.start_main_~x~4 410), 171628#(<= ULTIMATE.start_main_~x~4 404), 171629#(<= ULTIMATE.start_main_~x~4 406), 171634#(<= ULTIMATE.start_main_~x~4 416), 171635#(<= ULTIMATE.start_main_~x~4 418), 171632#(<= ULTIMATE.start_main_~x~4 412), 171633#(<= ULTIMATE.start_main_~x~4 414), 171638#(<= ULTIMATE.start_main_~x~4 424), 171639#(<= ULTIMATE.start_main_~x~4 426), 171636#(<= ULTIMATE.start_main_~x~4 420), 171637#(<= ULTIMATE.start_main_~x~4 422), 171642#(<= ULTIMATE.start_main_~x~4 432), 171643#(<= ULTIMATE.start_main_~x~4 434), 171640#(<= ULTIMATE.start_main_~x~4 428), 171641#(<= ULTIMATE.start_main_~x~4 430), 171646#(<= ULTIMATE.start_main_~x~4 440), 171647#(<= ULTIMATE.start_main_~x~4 442), 171644#(<= ULTIMATE.start_main_~x~4 436), 171645#(<= ULTIMATE.start_main_~x~4 438), 171650#(<= ULTIMATE.start_main_~x~4 448), 171651#(<= ULTIMATE.start_main_~x~4 450), 171648#(<= ULTIMATE.start_main_~x~4 444), 171649#(<= ULTIMATE.start_main_~x~4 446), 171654#(<= ULTIMATE.start_main_~x~4 456), 171655#(<= ULTIMATE.start_main_~x~4 458), 171652#(<= ULTIMATE.start_main_~x~4 452), 171653#(<= ULTIMATE.start_main_~x~4 454), 171658#(<= ULTIMATE.start_main_~x~4 464), 171659#(<= ULTIMATE.start_main_~x~4 466), 171656#(<= ULTIMATE.start_main_~x~4 460), 171657#(<= ULTIMATE.start_main_~x~4 462), 171662#(<= ULTIMATE.start_main_~x~4 472), 171663#(<= ULTIMATE.start_main_~x~4 474), 171660#(<= ULTIMATE.start_main_~x~4 468), 171661#(<= ULTIMATE.start_main_~x~4 470), 171666#(<= ULTIMATE.start_main_~x~4 480), 171667#(<= ULTIMATE.start_main_~x~4 482), 171664#(<= ULTIMATE.start_main_~x~4 476), 171665#(<= ULTIMATE.start_main_~x~4 478), 171670#(<= ULTIMATE.start_main_~x~4 488), 171671#(<= ULTIMATE.start_main_~x~4 490), 171668#(<= ULTIMATE.start_main_~x~4 484), 171669#(<= ULTIMATE.start_main_~x~4 486), 171674#(<= ULTIMATE.start_main_~x~4 496), 171675#(<= ULTIMATE.start_main_~x~4 498), 171672#(<= ULTIMATE.start_main_~x~4 492), 171673#(<= ULTIMATE.start_main_~x~4 494), 171678#(<= ULTIMATE.start_main_~x~4 504), 171679#(<= ULTIMATE.start_main_~x~4 506), 171676#(<= ULTIMATE.start_main_~x~4 500), 171677#(<= ULTIMATE.start_main_~x~4 502), 171682#(<= ULTIMATE.start_main_~x~4 512), 171683#(<= ULTIMATE.start_main_~x~4 514), 171680#(<= ULTIMATE.start_main_~x~4 508), 171681#(<= ULTIMATE.start_main_~x~4 510), 171686#(<= ULTIMATE.start_main_~x~4 520), 171687#(<= ULTIMATE.start_main_~x~4 522), 171684#(<= ULTIMATE.start_main_~x~4 516), 171685#(<= ULTIMATE.start_main_~x~4 518), 171688#(<= ULTIMATE.start_main_~x~4 524), 171430#false, 171431#(<= ULTIMATE.start_main_~x~4 10), 171429#true, 171434#(<= ULTIMATE.start_main_~x~4 16), 171435#(<= ULTIMATE.start_main_~x~4 18), 171432#(<= ULTIMATE.start_main_~x~4 12), 171433#(<= ULTIMATE.start_main_~x~4 14), 171438#(<= ULTIMATE.start_main_~x~4 24), 171439#(<= ULTIMATE.start_main_~x~4 26), 171436#(<= ULTIMATE.start_main_~x~4 20), 171437#(<= ULTIMATE.start_main_~x~4 22), 171442#(<= ULTIMATE.start_main_~x~4 32), 171443#(<= ULTIMATE.start_main_~x~4 34), 171440#(<= ULTIMATE.start_main_~x~4 28), 171441#(<= ULTIMATE.start_main_~x~4 30), 171446#(<= ULTIMATE.start_main_~x~4 40), 171447#(<= ULTIMATE.start_main_~x~4 42), 171444#(<= ULTIMATE.start_main_~x~4 36), 171445#(<= ULTIMATE.start_main_~x~4 38), 171450#(<= ULTIMATE.start_main_~x~4 48), 171451#(<= ULTIMATE.start_main_~x~4 50), 171448#(<= ULTIMATE.start_main_~x~4 44), 171449#(<= ULTIMATE.start_main_~x~4 46), 171454#(<= ULTIMATE.start_main_~x~4 56), 171455#(<= ULTIMATE.start_main_~x~4 58), 171452#(<= ULTIMATE.start_main_~x~4 52), 171453#(<= ULTIMATE.start_main_~x~4 54), 171458#(<= ULTIMATE.start_main_~x~4 64), 171459#(<= ULTIMATE.start_main_~x~4 66), 171456#(<= ULTIMATE.start_main_~x~4 60), 171457#(<= ULTIMATE.start_main_~x~4 62), 171462#(<= ULTIMATE.start_main_~x~4 72), 171463#(<= ULTIMATE.start_main_~x~4 74), 171460#(<= ULTIMATE.start_main_~x~4 68), 171461#(<= ULTIMATE.start_main_~x~4 70), 171466#(<= ULTIMATE.start_main_~x~4 80), 171467#(<= ULTIMATE.start_main_~x~4 82), 171464#(<= ULTIMATE.start_main_~x~4 76), 171465#(<= ULTIMATE.start_main_~x~4 78), 171470#(<= ULTIMATE.start_main_~x~4 88), 171471#(<= ULTIMATE.start_main_~x~4 90), 171468#(<= ULTIMATE.start_main_~x~4 84), 171469#(<= ULTIMATE.start_main_~x~4 86), 171474#(<= ULTIMATE.start_main_~x~4 96), 171475#(<= ULTIMATE.start_main_~x~4 98), 171472#(<= ULTIMATE.start_main_~x~4 92), 171473#(<= ULTIMATE.start_main_~x~4 94), 171478#(<= ULTIMATE.start_main_~x~4 104), 171479#(<= ULTIMATE.start_main_~x~4 106), 171476#(<= ULTIMATE.start_main_~x~4 100), 171477#(<= ULTIMATE.start_main_~x~4 102), 171482#(<= ULTIMATE.start_main_~x~4 112), 171483#(<= ULTIMATE.start_main_~x~4 114), 171480#(<= ULTIMATE.start_main_~x~4 108), 171481#(<= ULTIMATE.start_main_~x~4 110), 171486#(<= ULTIMATE.start_main_~x~4 120), 171487#(<= ULTIMATE.start_main_~x~4 122), 171484#(<= ULTIMATE.start_main_~x~4 116), 171485#(<= ULTIMATE.start_main_~x~4 118), 171490#(<= ULTIMATE.start_main_~x~4 128), 171491#(<= ULTIMATE.start_main_~x~4 130), 171488#(<= ULTIMATE.start_main_~x~4 124), 171489#(<= ULTIMATE.start_main_~x~4 126), 171494#(<= ULTIMATE.start_main_~x~4 136), 171495#(<= ULTIMATE.start_main_~x~4 138), 171492#(<= ULTIMATE.start_main_~x~4 132), 171493#(<= ULTIMATE.start_main_~x~4 134), 171498#(<= ULTIMATE.start_main_~x~4 144), 171499#(<= ULTIMATE.start_main_~x~4 146), 171496#(<= ULTIMATE.start_main_~x~4 140), 171497#(<= ULTIMATE.start_main_~x~4 142), 171502#(<= ULTIMATE.start_main_~x~4 152), 171503#(<= ULTIMATE.start_main_~x~4 154), 171500#(<= ULTIMATE.start_main_~x~4 148), 171501#(<= ULTIMATE.start_main_~x~4 150), 171506#(<= ULTIMATE.start_main_~x~4 160), 171507#(<= ULTIMATE.start_main_~x~4 162), 171504#(<= ULTIMATE.start_main_~x~4 156), 171505#(<= ULTIMATE.start_main_~x~4 158), 171510#(<= ULTIMATE.start_main_~x~4 168), 171511#(<= ULTIMATE.start_main_~x~4 170), 171508#(<= ULTIMATE.start_main_~x~4 164), 171509#(<= ULTIMATE.start_main_~x~4 166), 171514#(<= ULTIMATE.start_main_~x~4 176), 171515#(<= ULTIMATE.start_main_~x~4 178), 171512#(<= ULTIMATE.start_main_~x~4 172), 171513#(<= ULTIMATE.start_main_~x~4 174), 171518#(<= ULTIMATE.start_main_~x~4 184), 171519#(<= ULTIMATE.start_main_~x~4 186), 171516#(<= ULTIMATE.start_main_~x~4 180), 171517#(<= ULTIMATE.start_main_~x~4 182)] [2018-07-23 13:45:45,698 INFO L134 CoverageAnalysis]: Checked inductivity of 33153 backedges. 0 proven. 33153 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2018-07-23 13:45:45,698 INFO L450 AbstractCegarLoop]: Interpolant automaton has 260 states [2018-07-23 13:45:45,701 INFO L132 InterpolantAutomaton]: Constructing interpolant automaton starting with 260 interpolants. [2018-07-23 13:45:45,703 INFO L133 InterpolantAutomaton]: CoverageRelationStatistics Valid=33670, Invalid=33670, Unknown=0, NotChecked=0, Total=67340 [2018-07-23 13:45:45,703 INFO L87 Difference]: Start difference. First operand 261 states and 261 transitions. Second operand 260 states. [2018-07-23 13:45:46,917 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2018-07-23 13:45:46,917 INFO L93 Difference]: Finished difference Result 264 states and 264 transitions. [2018-07-23 13:45:46,917 INFO L142 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 260 states. [2018-07-23 13:45:46,917 INFO L78 Accepts]: Start accepts. Automaton has 260 states. Word has length 260 [2018-07-23 13:45:46,918 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2018-07-23 13:45:46,918 INFO L225 Difference]: With dead ends: 264 [2018-07-23 13:45:46,918 INFO L226 Difference]: Without dead ends: 262 [2018-07-23 13:45:46,921 INFO L575 BasicCegarLoop]: 0 DeclaredPredicates, 259 GetRequests, 1 SyntacticMatches, 0 SemanticMatches, 258 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 0 ImplicationChecksByTransitivity, 1.3s TimeCoverageRelationStatistics Valid=33670, Invalid=33670, Unknown=0, NotChecked=0, Total=67340 [2018-07-23 13:45:46,921 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 262 states. [2018-07-23 13:45:46,923 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 262 to 262. [2018-07-23 13:45:46,923 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 262 states. [2018-07-23 13:45:46,923 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 262 states to 262 states and 262 transitions. [2018-07-23 13:45:46,923 INFO L78 Accepts]: Start accepts. Automaton has 262 states and 262 transitions. Word has length 260 [2018-07-23 13:45:46,924 INFO L84 Accepts]: Finished accepts. word is rejected. [2018-07-23 13:45:46,924 INFO L471 AbstractCegarLoop]: Abstraction has 262 states and 262 transitions. [2018-07-23 13:45:46,924 INFO L472 AbstractCegarLoop]: Interpolant automaton has 260 states. [2018-07-23 13:45:46,924 INFO L276 IsEmpty]: Start isEmpty. Operand 262 states and 262 transitions. [2018-07-23 13:45:46,924 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 262 [2018-07-23 13:45:46,924 INFO L349 BasicCegarLoop]: Found error trace [2018-07-23 13:45:46,925 INFO L357 BasicCegarLoop]: trace histogram [258, 1, 1, 1] [2018-07-23 13:45:46,925 INFO L414 AbstractCegarLoop]: === Iteration 259 === [ULTIMATE.startErr0AssertViolationASSERT]=== [2018-07-23 13:45:46,925 INFO L82 PathProgramCache]: Analyzing trace with hash -1868062175, now seen corresponding path program 258 times [2018-07-23 13:45:46,925 INFO L69 tionRefinementEngine]: Using refinement strategy FixedRefinementStrategy [2018-07-23 13:45:46,952 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat Received shutdown request... [2018-07-23 13:45:48,533 INFO L134 CoverageAnalysis]: Checked inductivity of 33411 backedges. 0 proven. 33411 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2018-07-23 13:45:48,533 INFO L309 seRefinementStrategy]: Constructing automaton from 0 perfect and 1 imperfect interpolant sequences. [2018-07-23 13:45:48,533 INFO L324 seRefinementStrategy]: Number of different interpolants: perfect sequences [] imperfect sequences [260] total 260 [2018-07-23 13:45:48,533 INFO L142 lantAutomatonBuilder]: Constructing canonical interpolant automaton, with selfloop in false state [2018-07-23 13:45:48,534 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2018-07-23 13:45:48,534 INFO L185 omatonBuilderFactory]: Interpolants [172742#false, 172743#(<= ULTIMATE.start_main_~x~4 10), 172741#true, 172746#(<= ULTIMATE.start_main_~x~4 16), 172747#(<= ULTIMATE.start_main_~x~4 18), 172744#(<= ULTIMATE.start_main_~x~4 12), 172745#(<= ULTIMATE.start_main_~x~4 14), 172750#(<= ULTIMATE.start_main_~x~4 24), 172751#(<= ULTIMATE.start_main_~x~4 26), 172748#(<= ULTIMATE.start_main_~x~4 20), 172749#(<= ULTIMATE.start_main_~x~4 22), 172754#(<= ULTIMATE.start_main_~x~4 32), 172755#(<= ULTIMATE.start_main_~x~4 34), 172752#(<= ULTIMATE.start_main_~x~4 28), 172753#(<= ULTIMATE.start_main_~x~4 30), 172758#(<= ULTIMATE.start_main_~x~4 40), 172759#(<= ULTIMATE.start_main_~x~4 42), 172756#(<= ULTIMATE.start_main_~x~4 36), 172757#(<= ULTIMATE.start_main_~x~4 38), 172762#(<= ULTIMATE.start_main_~x~4 48), 172763#(<= ULTIMATE.start_main_~x~4 50), 172760#(<= ULTIMATE.start_main_~x~4 44), 172761#(<= ULTIMATE.start_main_~x~4 46), 172766#(<= ULTIMATE.start_main_~x~4 56), 172767#(<= ULTIMATE.start_main_~x~4 58), 172764#(<= ULTIMATE.start_main_~x~4 52), 172765#(<= ULTIMATE.start_main_~x~4 54), 172770#(<= ULTIMATE.start_main_~x~4 64), 172771#(<= ULTIMATE.start_main_~x~4 66), 172768#(<= ULTIMATE.start_main_~x~4 60), 172769#(<= ULTIMATE.start_main_~x~4 62), 172774#(<= ULTIMATE.start_main_~x~4 72), 172775#(<= ULTIMATE.start_main_~x~4 74), 172772#(<= ULTIMATE.start_main_~x~4 68), 172773#(<= ULTIMATE.start_main_~x~4 70), 172778#(<= ULTIMATE.start_main_~x~4 80), 172779#(<= ULTIMATE.start_main_~x~4 82), 172776#(<= ULTIMATE.start_main_~x~4 76), 172777#(<= ULTIMATE.start_main_~x~4 78), 172782#(<= ULTIMATE.start_main_~x~4 88), 172783#(<= ULTIMATE.start_main_~x~4 90), 172780#(<= ULTIMATE.start_main_~x~4 84), 172781#(<= ULTIMATE.start_main_~x~4 86), 172786#(<= ULTIMATE.start_main_~x~4 96), 172787#(<= ULTIMATE.start_main_~x~4 98), 172784#(<= ULTIMATE.start_main_~x~4 92), 172785#(<= ULTIMATE.start_main_~x~4 94), 172790#(<= ULTIMATE.start_main_~x~4 104), 172791#(<= ULTIMATE.start_main_~x~4 106), 172788#(<= ULTIMATE.start_main_~x~4 100), 172789#(<= ULTIMATE.start_main_~x~4 102), 172794#(<= ULTIMATE.start_main_~x~4 112), 172795#(<= ULTIMATE.start_main_~x~4 114), 172792#(<= ULTIMATE.start_main_~x~4 108), 172793#(<= ULTIMATE.start_main_~x~4 110), 172798#(<= ULTIMATE.start_main_~x~4 120), 172799#(<= ULTIMATE.start_main_~x~4 122), 172796#(<= ULTIMATE.start_main_~x~4 116), 172797#(<= ULTIMATE.start_main_~x~4 118), 172802#(<= ULTIMATE.start_main_~x~4 128), 172803#(<= ULTIMATE.start_main_~x~4 130), 172800#(<= ULTIMATE.start_main_~x~4 124), 172801#(<= ULTIMATE.start_main_~x~4 126), 172806#(<= ULTIMATE.start_main_~x~4 136), 172807#(<= ULTIMATE.start_main_~x~4 138), 172804#(<= ULTIMATE.start_main_~x~4 132), 172805#(<= ULTIMATE.start_main_~x~4 134), 172810#(<= ULTIMATE.start_main_~x~4 144), 172811#(<= ULTIMATE.start_main_~x~4 146), 172808#(<= ULTIMATE.start_main_~x~4 140), 172809#(<= ULTIMATE.start_main_~x~4 142), 172814#(<= ULTIMATE.start_main_~x~4 152), 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ULTIMATE.start_main_~x~4 286), 172886#(<= ULTIMATE.start_main_~x~4 296), 172887#(<= ULTIMATE.start_main_~x~4 298), 172884#(<= ULTIMATE.start_main_~x~4 292), 172885#(<= ULTIMATE.start_main_~x~4 294), 172890#(<= ULTIMATE.start_main_~x~4 304), 172891#(<= ULTIMATE.start_main_~x~4 306), 172888#(<= ULTIMATE.start_main_~x~4 300), 172889#(<= ULTIMATE.start_main_~x~4 302), 172894#(<= ULTIMATE.start_main_~x~4 312), 172895#(<= ULTIMATE.start_main_~x~4 314), 172892#(<= ULTIMATE.start_main_~x~4 308), 172893#(<= ULTIMATE.start_main_~x~4 310), 172898#(<= ULTIMATE.start_main_~x~4 320), 172899#(<= ULTIMATE.start_main_~x~4 322), 172896#(<= ULTIMATE.start_main_~x~4 316), 172897#(<= ULTIMATE.start_main_~x~4 318), 172902#(<= ULTIMATE.start_main_~x~4 328), 172903#(<= ULTIMATE.start_main_~x~4 330), 172900#(<= ULTIMATE.start_main_~x~4 324), 172901#(<= ULTIMATE.start_main_~x~4 326), 172906#(<= ULTIMATE.start_main_~x~4 336), 172907#(<= ULTIMATE.start_main_~x~4 338), 172904#(<= ULTIMATE.start_main_~x~4 332), 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ULTIMATE.start_main_~x~4 482), 172976#(<= ULTIMATE.start_main_~x~4 476), 172977#(<= ULTIMATE.start_main_~x~4 478), 172982#(<= ULTIMATE.start_main_~x~4 488), 172983#(<= ULTIMATE.start_main_~x~4 490), 172980#(<= ULTIMATE.start_main_~x~4 484), 172981#(<= ULTIMATE.start_main_~x~4 486), 172986#(<= ULTIMATE.start_main_~x~4 496), 172987#(<= ULTIMATE.start_main_~x~4 498), 172984#(<= ULTIMATE.start_main_~x~4 492), 172985#(<= ULTIMATE.start_main_~x~4 494), 172990#(<= ULTIMATE.start_main_~x~4 504), 172991#(<= ULTIMATE.start_main_~x~4 506), 172988#(<= ULTIMATE.start_main_~x~4 500), 172989#(<= ULTIMATE.start_main_~x~4 502), 172994#(<= ULTIMATE.start_main_~x~4 512), 172995#(<= ULTIMATE.start_main_~x~4 514), 172992#(<= ULTIMATE.start_main_~x~4 508), 172993#(<= ULTIMATE.start_main_~x~4 510), 172998#(<= ULTIMATE.start_main_~x~4 520), 172999#(<= ULTIMATE.start_main_~x~4 522), 172996#(<= ULTIMATE.start_main_~x~4 516), 172997#(<= ULTIMATE.start_main_~x~4 518), 173000#(<= ULTIMATE.start_main_~x~4 524), 173001#(<= ULTIMATE.start_main_~x~4 526)] [2018-07-23 13:45:48,536 INFO L134 CoverageAnalysis]: Checked inductivity of 33411 backedges. 0 proven. 33411 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2018-07-23 13:45:48,536 INFO L450 AbstractCegarLoop]: Interpolant automaton has 261 states [2018-07-23 13:45:48,542 INFO L132 InterpolantAutomaton]: Constructing interpolant automaton starting with 261 interpolants. [2018-07-23 13:45:48,546 INFO L133 InterpolantAutomaton]: CoverageRelationStatistics Valid=33930, Invalid=33930, Unknown=0, NotChecked=0, Total=67860 [2018-07-23 13:45:48,546 INFO L87 Difference]: Start difference. First operand 262 states and 262 transitions. Second operand 261 states. [2018-07-23 13:45:48,548 INFO L142 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 2 states. [2018-07-23 13:45:48,548 WARN L540 AbstractCegarLoop]: Verification canceled [2018-07-23 13:45:48,554 WARN L202 ceAbstractionStarter]: Timeout [2018-07-23 13:45:48,555 INFO L202 PluginConnector]: Adding new model overflow1.i_3.bplTransformedIcfg_BEv2_4.bpl de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction CFG 23.07 01:45:48 BoogieIcfgContainer [2018-07-23 13:45:48,555 INFO L132 PluginConnector]: ------------------------ END TraceAbstraction---------------------------- [2018-07-23 13:45:48,556 INFO L168 Benchmark]: Toolchain (without parser) took 260350.00 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 1.1 GB in the end (delta: 286.4 MB). Peak memory consumption was 2.3 GB. Max. memory is 7.1 GB. [2018-07-23 13:45:48,558 INFO L168 Benchmark]: Boogie PL CUP Parser took 0.21 ms. Allocated memory is still 1.5 GB. Free memory is still 1.4 GB. There was no memory consumed. Max. memory is 7.1 GB. [2018-07-23 13:45:48,558 INFO L168 Benchmark]: Boogie Preprocessor took 51.38 ms. Allocated memory is still 1.5 GB. Free memory is still 1.4 GB. There was no memory consumed. Max. memory is 7.1 GB. [2018-07-23 13:45:48,558 INFO L168 Benchmark]: RCFGBuilder took 209.35 ms. Allocated memory is still 1.5 GB. Free memory was 1.4 GB in the beginning and 1.4 GB in the end (delta: 10.6 MB). Peak memory consumption was 10.6 MB. Max. memory is 7.1 GB. [2018-07-23 13:45:48,558 INFO L168 Benchmark]: TraceAbstraction took 260084.38 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 1.1 GB in the end (delta: 275.8 MB). Peak memory consumption was 2.3 GB. Max. memory is 7.1 GB. [2018-07-23 13:45:48,560 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 0.21 ms. Allocated memory is still 1.5 GB. Free memory is still 1.4 GB. There was no memory consumed. Max. memory is 7.1 GB. * Boogie Preprocessor took 51.38 ms. Allocated memory is still 1.5 GB. Free memory is still 1.4 GB. There was no memory consumed. Max. memory is 7.1 GB. * RCFGBuilder took 209.35 ms. Allocated memory is still 1.5 GB. Free memory was 1.4 GB in the beginning and 1.4 GB in the end (delta: 10.6 MB). Peak memory consumption was 10.6 MB. Max. memory is 7.1 GB. * TraceAbstraction took 260084.38 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 1.1 GB in the end (delta: 275.8 MB). Peak memory consumption was 2.3 GB. Max. memory is 7.1 GB. * Results from de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction: - TimeoutResultAtElement [Line: 31]: Timeout (TraceAbstraction) Unable to prove that assertion always holds (line 31). Cancelled while BasicCegarLoop was constructing difference of abstraction (262states) and interpolant automaton (currently 2 states, 261 states before enhancement), while ReachableStatesComputation was computing reachable states (1 states constructedinput type IntersectNwa). - StatisticsResult: Ultimate Automizer benchmark data CFG has 1 procedures, 6 locations, 1 error locations. TIMEOUT Result, 260.0s OverallTime, 259 OverallIterations, 258 TraceHistogramMax, 113.1s AutomataDifference, 0.0s DeadEndRemovalTime, 0.0s HoareAnnotationTime, HoareTripleCheckerStatistics: 774 SDtfs, 0 SDslu, 17092 SDs, 0 SdLazy, 50761 SolverSat, 495 SolverUnsat, 0 SolverUnknown, 0 SolverNotchecked, 3.6s Time, PredicateUnifierStatistics: 0 DeclaredPredicates, 33929 GetRequests, 259 SyntacticMatches, 0 SemanticMatches, 33670 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 0 ImplicationChecksByTransitivity, 127.8s Time, 0.4s BasicInterpolantAutomatonTime, BiggestAbstraction: size=262occurred in iteration=258, traceCheckStatistics: No data available, InterpolantConsolidationStatistics: No data available, PathInvariantsStatistics: No data available, 0/2895620 InterpolantCoveringCapability, TotalInterpolationStatistics: No data available, 0.0s AbstIntTime, 0 AbstIntIterations, 0 AbstIntStrong, NaN AbsIntWeakeningRatio, NaN AbsIntAvgWeakeningVarsNumRemoved, NaN AbsIntAvgWeakenedConjuncts, 0.0s DumpTime, AutomataMinimizationStatistics: 0.7s AutomataMinimizationTime, 258 MinimizatonAttempts, 0 StatesRemovedByMinimization, 0 NontrivialMinimizations, HoareAnnotationStatistics: No data available, RefinementEngineStatistics: TraceCheckStatistics: 0.3s SsaConstructionTime, 3.3s SatisfiabilityAnalysisTime, 136.6s InterpolantComputationTime, 34188 NumberOfCodeBlocks, 34188 NumberOfCodeBlocksAsserted, 259 NumberOfCheckSat, 33929 ConstructedInterpolants, 0 QuantifiedInterpolants, 17609669 SizeOfPredicates, 0 NumberOfNonLiveVariables, 0 ConjunctsInSsa, 0 ConjunctsInUnsatCore, 259 InterpolantComputations, 1 PerfectInterpolantSequences, 0/2895620 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/overflow1.i_3.bplTransformedIcfg_BEv2_4.bpl_AutomizerBpl-nestedInterpolants.epf_AutomizerBpl.xml/Csv-Benchmark-0-2018-07-23_13-45-48-569.csv Written .csv to /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/csv/overflow1.i_3.bplTransformedIcfg_BEv2_4.bpl_AutomizerBpl-nestedInterpolants.epf_AutomizerBpl.xml/Csv-TraceAbstractionBenchmarks-0-2018-07-23_13-45-48-569.csv Completed graceful shutdown