java -Xmx8000000000 -jar ./plugins/org.eclipse.equinox.launcher_1.3.100.v20150511-1540.jar -data @noDefault -ultimatedata ./data -tc ../../../trunk/examples/toolchains/AutomizerBpl.xml --generate-csv --csv-dir csv -s ../../../trunk/examples/programs/regression/bpl/AutomizerBpl-nestedInterpolants.epf -i ../../../trunk/examples/programs/20170319-ConjunctivePathPrograms/count_by_2.i_3.bplTransformedIcfg_BEv2_3.bpl -------------------------------------------------------------------------------- This is Ultimate 0.1.23-935f392 [2018-07-23 13:37:28,333 INFO L170 SettingsManager]: Resetting all preferences to default values... [2018-07-23 13:37:28,335 INFO L174 SettingsManager]: Resetting UltimateCore preferences to default values [2018-07-23 13:37:28,351 INFO L177 SettingsManager]: Ultimate Commandline Interface provides no preferences, ignoring... [2018-07-23 13:37:28,351 INFO L174 SettingsManager]: Resetting Boogie Preprocessor preferences to default values [2018-07-23 13:37:28,352 INFO L174 SettingsManager]: Resetting Boogie Procedure Inliner preferences to default values [2018-07-23 13:37:28,354 INFO L174 SettingsManager]: Resetting Abstract Interpretation preferences to default values [2018-07-23 13:37:28,355 INFO L174 SettingsManager]: Resetting LassoRanker preferences to default values [2018-07-23 13:37:28,357 INFO L174 SettingsManager]: Resetting Reaching Definitions preferences to default values [2018-07-23 13:37:28,358 INFO L174 SettingsManager]: Resetting SyntaxChecker preferences to default values [2018-07-23 13:37:28,359 INFO L177 SettingsManager]: Büchi Program Product provides no preferences, ignoring... [2018-07-23 13:37:28,359 INFO L174 SettingsManager]: Resetting LTL2Aut preferences to default values [2018-07-23 13:37:28,360 INFO L174 SettingsManager]: Resetting PEA to Boogie preferences to default values [2018-07-23 13:37:28,361 INFO L174 SettingsManager]: Resetting BlockEncodingV2 preferences to default values [2018-07-23 13:37:28,362 INFO L174 SettingsManager]: Resetting ChcToBoogie preferences to default values [2018-07-23 13:37:28,363 INFO L174 SettingsManager]: Resetting AutomataScriptInterpreter preferences to default values [2018-07-23 13:37:28,364 INFO L174 SettingsManager]: Resetting BuchiAutomizer preferences to default values [2018-07-23 13:37:28,366 INFO L174 SettingsManager]: Resetting CACSL2BoogieTranslator preferences to default values [2018-07-23 13:37:28,368 INFO L174 SettingsManager]: Resetting CodeCheck preferences to default values [2018-07-23 13:37:28,369 INFO L174 SettingsManager]: Resetting InvariantSynthesis preferences to default values [2018-07-23 13:37:28,371 INFO L174 SettingsManager]: Resetting RCFGBuilder preferences to default values [2018-07-23 13:37:28,372 INFO L174 SettingsManager]: Resetting TraceAbstraction preferences to default values [2018-07-23 13:37:28,376 INFO L177 SettingsManager]: TraceAbstractionConcurrent provides no preferences, ignoring... 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[2018-07-23 13:37:28,388 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 13:37:28,413 INFO L110 SettingsManager]: Loading preferences was successful [2018-07-23 13:37:28,413 INFO L112 SettingsManager]: Preferences different from defaults after loading the file: [2018-07-23 13:37:28,415 INFO L131 SettingsManager]: Preferences of RCFGBuilder differ from their defaults: [2018-07-23 13:37:28,415 INFO L133 SettingsManager]: * SMT solver=Internal_SMTInterpol [2018-07-23 13:37:28,415 INFO L131 SettingsManager]: Preferences of TraceAbstraction differ from their defaults: [2018-07-23 13:37:28,415 INFO L133 SettingsManager]: * Compute Interpolants along a Counterexample=Craig_NestedInterpolation [2018-07-23 13:37:28,415 INFO L133 SettingsManager]: * Use separate solver for trace checks=false [2018-07-23 13:37:28,416 INFO L133 SettingsManager]: * Compute Hoare Annotation of negated interpolant automaton, abstraction and CFG=true [2018-07-23 13:37:28,464 INFO L81 nceAwareModelManager]: Repository-Root is: /tmp [2018-07-23 13:37:28,480 INFO L258 ainManager$Toolchain]: [Toolchain 1]: Applicable parser(s) successfully (re)initialized [2018-07-23 13:37:28,484 INFO L214 ainManager$Toolchain]: [Toolchain 1]: Toolchain selected. [2018-07-23 13:37:28,486 INFO L271 PluginConnector]: Initializing Boogie PL CUP Parser... [2018-07-23 13:37:28,486 INFO L276 PluginConnector]: Boogie PL CUP Parser initialized [2018-07-23 13:37:28,487 INFO L418 ainManager$Toolchain]: [Toolchain 1]: Parsing single file: /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/../../../trunk/examples/programs/20170319-ConjunctivePathPrograms/count_by_2.i_3.bplTransformedIcfg_BEv2_3.bpl [2018-07-23 13:37:28,487 INFO L111 BoogieParser]: Parsing: '/storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/../../../trunk/examples/programs/20170319-ConjunctivePathPrograms/count_by_2.i_3.bplTransformedIcfg_BEv2_3.bpl' [2018-07-23 13:37:28,534 INFO L296 ainManager$Toolchain]: ####################### [Toolchain 1] ####################### [2018-07-23 13:37:28,536 INFO L131 ToolchainWalker]: Walking toolchain with 3 elements. [2018-07-23 13:37:28,537 INFO L113 PluginConnector]: ------------------------Boogie Preprocessor---------------------------- [2018-07-23 13:37:28,537 INFO L271 PluginConnector]: Initializing Boogie Preprocessor... [2018-07-23 13:37:28,537 INFO L276 PluginConnector]: Boogie Preprocessor initialized [2018-07-23 13:37:28,565 INFO L185 PluginConnector]: Executing the observer EnsureBoogieModelObserver from plugin Boogie Preprocessor for "count_by_2.i_3.bplTransformedIcfg_BEv2_3.bpl de.uni_freiburg.informatik.ultimate.boogie.parser AST 23.07 01:37:28" (1/1) ... [2018-07-23 13:37:28,566 INFO L185 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Preprocessor for "count_by_2.i_3.bplTransformedIcfg_BEv2_3.bpl de.uni_freiburg.informatik.ultimate.boogie.parser AST 23.07 01:37:28" (1/1) ... [2018-07-23 13:37:28,577 INFO L185 PluginConnector]: Executing the observer ConstExpander from plugin Boogie Preprocessor for "count_by_2.i_3.bplTransformedIcfg_BEv2_3.bpl de.uni_freiburg.informatik.ultimate.boogie.parser AST 23.07 01:37:28" (1/1) ... [2018-07-23 13:37:28,577 INFO L185 PluginConnector]: Executing the observer StructExpander from plugin Boogie Preprocessor for "count_by_2.i_3.bplTransformedIcfg_BEv2_3.bpl de.uni_freiburg.informatik.ultimate.boogie.parser AST 23.07 01:37:28" (1/1) ... [2018-07-23 13:37:28,579 INFO L185 PluginConnector]: Executing the observer UnstructureCode from plugin Boogie Preprocessor for "count_by_2.i_3.bplTransformedIcfg_BEv2_3.bpl de.uni_freiburg.informatik.ultimate.boogie.parser AST 23.07 01:37:28" (1/1) ... [2018-07-23 13:37:28,581 INFO L185 PluginConnector]: Executing the observer FunctionInliner from plugin Boogie Preprocessor for "count_by_2.i_3.bplTransformedIcfg_BEv2_3.bpl de.uni_freiburg.informatik.ultimate.boogie.parser AST 23.07 01:37:28" (1/1) ... [2018-07-23 13:37:28,583 INFO L185 PluginConnector]: Executing the observer BoogieSymbolTableConstructor from plugin Boogie Preprocessor for "count_by_2.i_3.bplTransformedIcfg_BEv2_3.bpl de.uni_freiburg.informatik.ultimate.boogie.parser AST 23.07 01:37:28" (1/1) ... [2018-07-23 13:37:28,585 INFO L132 PluginConnector]: ------------------------ END Boogie Preprocessor---------------------------- [2018-07-23 13:37:28,586 INFO L113 PluginConnector]: ------------------------RCFGBuilder---------------------------- [2018-07-23 13:37:28,586 INFO L271 PluginConnector]: Initializing RCFGBuilder... [2018-07-23 13:37:28,586 INFO L276 PluginConnector]: RCFGBuilder initialized [2018-07-23 13:37:28,587 INFO L185 PluginConnector]: Executing the observer RCFGBuilderObserver from plugin RCFGBuilder for "count_by_2.i_3.bplTransformedIcfg_BEv2_3.bpl de.uni_freiburg.informatik.ultimate.boogie.parser AST 23.07 01:37:28" (1/1) ... [2018-07-23 13:37:28,673 INFO L124 BoogieDeclarations]: Specification and implementation of procedure ULTIMATE.start given in one single declaration [2018-07-23 13:37:28,674 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.start [2018-07-23 13:37:28,674 INFO L138 BoogieDeclarations]: Found implementation of procedure ULTIMATE.start [2018-07-23 13:37:28,799 INFO L261 CfgBuilder]: Using the 1 location(s) as analysis (start of procedure ULTIMATE.start) [2018-07-23 13:37:28,800 INFO L202 PluginConnector]: Adding new model count_by_2.i_3.bplTransformedIcfg_BEv2_3.bpl de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 23.07 01:37:28 BoogieIcfgContainer [2018-07-23 13:37:28,800 INFO L132 PluginConnector]: ------------------------ END RCFGBuilder---------------------------- [2018-07-23 13:37:28,802 INFO L113 PluginConnector]: ------------------------TraceAbstraction---------------------------- [2018-07-23 13:37:28,802 INFO L271 PluginConnector]: Initializing TraceAbstraction... [2018-07-23 13:37:28,805 INFO L276 PluginConnector]: TraceAbstraction initialized [2018-07-23 13:37:28,806 INFO L185 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "count_by_2.i_3.bplTransformedIcfg_BEv2_3.bpl de.uni_freiburg.informatik.ultimate.boogie.parser AST 23.07 01:37:28" (1/2) ... [2018-07-23 13:37:28,808 INFO L205 PluginConnector]: Invalid model from TraceAbstraction for observer de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.TraceAbstractionObserver@7d4a67b9 and model type count_by_2.i_3.bplTransformedIcfg_BEv2_3.bpl de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction AST 23.07 01:37:28, skipping insertion in model container [2018-07-23 13:37:28,808 INFO L185 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "count_by_2.i_3.bplTransformedIcfg_BEv2_3.bpl de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 23.07 01:37:28" (2/2) ... [2018-07-23 13:37:28,811 INFO L112 eAbstractionObserver]: Analyzing ICFG count_by_2.i_3.bplTransformedIcfg_BEv2_3.bpl [2018-07-23 13:37:28,821 INFO L132 ceAbstractionStarter]: Automizer settings: Hoare:true NWA Interpolation:Craig_NestedInterpolation Determinization: PREDICATE_ABSTRACTION [2018-07-23 13:37:28,831 INFO L144 ceAbstractionStarter]: Appying trace abstraction to program that has 1 error locations. [2018-07-23 13:37:28,882 INFO L128 ementStrategyFactory]: Using default assertion order modulation [2018-07-23 13:37:28,883 INFO L373 AbstractCegarLoop]: Interprodecural is true [2018-07-23 13:37:28,883 INFO L374 AbstractCegarLoop]: Hoare is true [2018-07-23 13:37:28,883 INFO L375 AbstractCegarLoop]: Compute interpolants for Craig_NestedInterpolation [2018-07-23 13:37:28,883 INFO L376 AbstractCegarLoop]: Backedges is CANONICAL [2018-07-23 13:37:28,884 INFO L377 AbstractCegarLoop]: Determinization is PREDICATE_ABSTRACTION [2018-07-23 13:37:28,884 INFO L378 AbstractCegarLoop]: Difference is false [2018-07-23 13:37:28,884 INFO L379 AbstractCegarLoop]: Minimize is MINIMIZE_SEVPA [2018-07-23 13:37:28,884 INFO L384 AbstractCegarLoop]: ======== Iteration 0==of CEGAR loop == AllErrorsAtOnce======== [2018-07-23 13:37:28,900 INFO L276 IsEmpty]: Start isEmpty. Operand 5 states. [2018-07-23 13:37:28,909 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 4 [2018-07-23 13:37:28,909 INFO L349 BasicCegarLoop]: Found error trace [2018-07-23 13:37:28,911 INFO L357 BasicCegarLoop]: trace histogram [1, 1, 1] [2018-07-23 13:37:28,912 INFO L414 AbstractCegarLoop]: === Iteration 1 === [ULTIMATE.startErr0AssertViolationASSERT]=== [2018-07-23 13:37:28,918 INFO L82 PathProgramCache]: Analyzing trace with hash 30017, now seen corresponding path program 1 times [2018-07-23 13:37:28,925 INFO L69 tionRefinementEngine]: Using refinement strategy FixedRefinementStrategy [2018-07-23 13:37:28,942 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-07-23 13:37:29,001 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 13:37:29,004 INFO L309 seRefinementStrategy]: Constructing automaton from 1 perfect and 0 imperfect interpolant sequences. [2018-07-23 13:37:29,005 INFO L324 seRefinementStrategy]: Number of different interpolants: perfect sequences [2] imperfect sequences [] total 2 [2018-07-23 13:37:29,007 INFO L142 lantAutomatonBuilder]: Constructing canonical interpolant automaton, with selfloop in false state [2018-07-23 13:37:29,008 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2018-07-23 13:37:29,008 INFO L185 omatonBuilderFactory]: Interpolants [8#true, 9#false, 10#(<= ULTIMATE.start_main_~i~4 0)] [2018-07-23 13:37:29,009 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2018-07-23 13:37:29,010 INFO L450 AbstractCegarLoop]: Interpolant automaton has 3 states [2018-07-23 13:37:29,026 INFO L132 InterpolantAutomaton]: Constructing interpolant automaton starting with 3 interpolants. [2018-07-23 13:37:29,027 INFO L133 InterpolantAutomaton]: CoverageRelationStatistics Valid=3, Invalid=3, Unknown=0, NotChecked=0, Total=6 [2018-07-23 13:37:29,030 INFO L87 Difference]: Start difference. First operand 5 states. Second operand 3 states. [2018-07-23 13:37:29,068 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2018-07-23 13:37:29,068 INFO L93 Difference]: Finished difference Result 8 states and 9 transitions. [2018-07-23 13:37:29,069 INFO L142 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 3 states. [2018-07-23 13:37:29,071 INFO L78 Accepts]: Start accepts. Automaton has 3 states. Word has length 3 [2018-07-23 13:37:29,072 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2018-07-23 13:37:29,088 INFO L225 Difference]: With dead ends: 8 [2018-07-23 13:37:29,088 INFO L226 Difference]: Without dead ends: 5 [2018-07-23 13:37:29,094 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 13:37:29,120 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 5 states. [2018-07-23 13:37:29,139 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 5 to 5. [2018-07-23 13:37:29,141 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 5 states. [2018-07-23 13:37:29,142 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 5 states to 5 states and 5 transitions. [2018-07-23 13:37:29,144 INFO L78 Accepts]: Start accepts. Automaton has 5 states and 5 transitions. Word has length 3 [2018-07-23 13:37:29,144 INFO L84 Accepts]: Finished accepts. word is rejected. [2018-07-23 13:37:29,144 INFO L471 AbstractCegarLoop]: Abstraction has 5 states and 5 transitions. [2018-07-23 13:37:29,144 INFO L472 AbstractCegarLoop]: Interpolant automaton has 3 states. [2018-07-23 13:37:29,145 INFO L276 IsEmpty]: Start isEmpty. Operand 5 states and 5 transitions. [2018-07-23 13:37:29,145 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 5 [2018-07-23 13:37:29,145 INFO L349 BasicCegarLoop]: Found error trace [2018-07-23 13:37:29,145 INFO L357 BasicCegarLoop]: trace histogram [1, 1, 1, 1] [2018-07-23 13:37:29,146 INFO L414 AbstractCegarLoop]: === Iteration 2 === [ULTIMATE.startErr0AssertViolationASSERT]=== [2018-07-23 13:37:29,146 INFO L82 PathProgramCache]: Analyzing trace with hash 928552, now seen corresponding path program 1 times [2018-07-23 13:37:29,147 INFO L69 tionRefinementEngine]: Using refinement strategy FixedRefinementStrategy [2018-07-23 13:37:29,155 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-07-23 13:37:29,174 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 13:37:29,174 INFO L309 seRefinementStrategy]: Constructing automaton from 0 perfect and 1 imperfect interpolant sequences. [2018-07-23 13:37:29,174 INFO L324 seRefinementStrategy]: Number of different interpolants: perfect sequences [] imperfect sequences [3] total 3 [2018-07-23 13:37:29,175 INFO L142 lantAutomatonBuilder]: Constructing canonical interpolant automaton, with selfloop in false state [2018-07-23 13:37:29,175 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 13:37:29,175 INFO L185 omatonBuilderFactory]: Interpolants [37#true, 38#false, 39#(<= ULTIMATE.start_main_~i~4 0), 40#(<= ULTIMATE.start_main_~i~4 2)] [2018-07-23 13:37:29,175 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 13:37:29,177 INFO L450 AbstractCegarLoop]: Interpolant automaton has 4 states [2018-07-23 13:37:29,178 INFO L132 InterpolantAutomaton]: Constructing interpolant automaton starting with 4 interpolants. [2018-07-23 13:37:29,178 INFO L133 InterpolantAutomaton]: CoverageRelationStatistics Valid=6, Invalid=6, Unknown=0, NotChecked=0, Total=12 [2018-07-23 13:37:29,178 INFO L87 Difference]: Start difference. First operand 5 states and 5 transitions. Second operand 4 states. [2018-07-23 13:37:29,196 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2018-07-23 13:37:29,197 INFO L93 Difference]: Finished difference Result 8 states and 8 transitions. [2018-07-23 13:37:29,197 INFO L142 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 4 states. [2018-07-23 13:37:29,197 INFO L78 Accepts]: Start accepts. Automaton has 4 states. Word has length 4 [2018-07-23 13:37:29,198 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2018-07-23 13:37:29,198 INFO L225 Difference]: With dead ends: 8 [2018-07-23 13:37:29,198 INFO L226 Difference]: Without dead ends: 6 [2018-07-23 13:37:29,199 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 13:37:29,200 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 6 states. [2018-07-23 13:37:29,201 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 6 to 6. [2018-07-23 13:37:29,202 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 6 states. [2018-07-23 13:37:29,202 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 6 states to 6 states and 6 transitions. [2018-07-23 13:37:29,202 INFO L78 Accepts]: Start accepts. Automaton has 6 states and 6 transitions. Word has length 4 [2018-07-23 13:37:29,203 INFO L84 Accepts]: Finished accepts. word is rejected. [2018-07-23 13:37:29,203 INFO L471 AbstractCegarLoop]: Abstraction has 6 states and 6 transitions. [2018-07-23 13:37:29,203 INFO L472 AbstractCegarLoop]: Interpolant automaton has 4 states. [2018-07-23 13:37:29,203 INFO L276 IsEmpty]: Start isEmpty. Operand 6 states and 6 transitions. [2018-07-23 13:37:29,204 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 6 [2018-07-23 13:37:29,204 INFO L349 BasicCegarLoop]: Found error trace [2018-07-23 13:37:29,204 INFO L357 BasicCegarLoop]: trace histogram [2, 1, 1, 1] [2018-07-23 13:37:29,204 INFO L414 AbstractCegarLoop]: === Iteration 3 === [ULTIMATE.startErr0AssertViolationASSERT]=== [2018-07-23 13:37:29,205 INFO L82 PathProgramCache]: Analyzing trace with hash 28783137, now seen corresponding path program 2 times [2018-07-23 13:37:29,205 INFO L69 tionRefinementEngine]: Using refinement strategy FixedRefinementStrategy [2018-07-23 13:37:29,210 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-07-23 13:37:29,238 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 13:37:29,238 INFO L309 seRefinementStrategy]: Constructing automaton from 0 perfect and 1 imperfect interpolant sequences. [2018-07-23 13:37:29,239 INFO L324 seRefinementStrategy]: Number of different interpolants: perfect sequences [] imperfect sequences [4] total 4 [2018-07-23 13:37:29,239 INFO L142 lantAutomatonBuilder]: Constructing canonical interpolant automaton, with selfloop in false state [2018-07-23 13:37:29,239 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2018-07-23 13:37:29,239 INFO L185 omatonBuilderFactory]: Interpolants [69#true, 70#false, 71#(<= ULTIMATE.start_main_~i~4 0), 72#(<= ULTIMATE.start_main_~i~4 2), 73#(<= ULTIMATE.start_main_~i~4 4)] [2018-07-23 13:37:29,240 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 13:37:29,240 INFO L450 AbstractCegarLoop]: Interpolant automaton has 5 states [2018-07-23 13:37:29,240 INFO L132 InterpolantAutomaton]: Constructing interpolant automaton starting with 5 interpolants. [2018-07-23 13:37:29,241 INFO L133 InterpolantAutomaton]: CoverageRelationStatistics Valid=10, Invalid=10, Unknown=0, NotChecked=0, Total=20 [2018-07-23 13:37:29,241 INFO L87 Difference]: Start difference. First operand 6 states and 6 transitions. Second operand 5 states. [2018-07-23 13:37:29,261 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2018-07-23 13:37:29,263 INFO L93 Difference]: Finished difference Result 9 states and 9 transitions. [2018-07-23 13:37:29,264 INFO L142 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 5 states. [2018-07-23 13:37:29,264 INFO L78 Accepts]: Start accepts. Automaton has 5 states. Word has length 5 [2018-07-23 13:37:29,264 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2018-07-23 13:37:29,265 INFO L225 Difference]: With dead ends: 9 [2018-07-23 13:37:29,265 INFO L226 Difference]: Without dead ends: 7 [2018-07-23 13:37:29,265 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 13:37:29,266 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 7 states. [2018-07-23 13:37:29,268 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 7 to 7. [2018-07-23 13:37:29,268 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 7 states. [2018-07-23 13:37:29,268 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 7 states to 7 states and 7 transitions. [2018-07-23 13:37:29,269 INFO L78 Accepts]: Start accepts. Automaton has 7 states and 7 transitions. Word has length 5 [2018-07-23 13:37:29,269 INFO L84 Accepts]: Finished accepts. word is rejected. [2018-07-23 13:37:29,269 INFO L471 AbstractCegarLoop]: Abstraction has 7 states and 7 transitions. [2018-07-23 13:37:29,269 INFO L472 AbstractCegarLoop]: Interpolant automaton has 5 states. [2018-07-23 13:37:29,269 INFO L276 IsEmpty]: Start isEmpty. Operand 7 states and 7 transitions. [2018-07-23 13:37:29,269 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 7 [2018-07-23 13:37:29,270 INFO L349 BasicCegarLoop]: Found error trace [2018-07-23 13:37:29,270 INFO L357 BasicCegarLoop]: trace histogram [3, 1, 1, 1] [2018-07-23 13:37:29,270 INFO L414 AbstractCegarLoop]: === Iteration 4 === [ULTIMATE.startErr0AssertViolationASSERT]=== [2018-07-23 13:37:29,270 INFO L82 PathProgramCache]: Analyzing trace with hash 892275272, now seen corresponding path program 3 times [2018-07-23 13:37:29,271 INFO L69 tionRefinementEngine]: Using refinement strategy FixedRefinementStrategy [2018-07-23 13:37:29,275 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-07-23 13:37:29,313 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 13:37:29,313 INFO L309 seRefinementStrategy]: Constructing automaton from 0 perfect and 1 imperfect interpolant sequences. [2018-07-23 13:37:29,313 INFO L324 seRefinementStrategy]: Number of different interpolants: perfect sequences [] imperfect sequences [5] total 5 [2018-07-23 13:37:29,314 INFO L142 lantAutomatonBuilder]: Constructing canonical interpolant automaton, with selfloop in false state [2018-07-23 13:37:29,314 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2018-07-23 13:37:29,314 INFO L185 omatonBuilderFactory]: Interpolants [106#true, 107#false, 108#(<= ULTIMATE.start_main_~i~4 0), 109#(<= ULTIMATE.start_main_~i~4 2), 110#(<= ULTIMATE.start_main_~i~4 4), 111#(<= ULTIMATE.start_main_~i~4 6)] [2018-07-23 13:37:29,314 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 13:37:29,315 INFO L450 AbstractCegarLoop]: Interpolant automaton has 6 states [2018-07-23 13:37:29,315 INFO L132 InterpolantAutomaton]: Constructing interpolant automaton starting with 6 interpolants. [2018-07-23 13:37:29,317 INFO L133 InterpolantAutomaton]: CoverageRelationStatistics Valid=15, Invalid=15, Unknown=0, NotChecked=0, Total=30 [2018-07-23 13:37:29,317 INFO L87 Difference]: Start difference. First operand 7 states and 7 transitions. Second operand 6 states. [2018-07-23 13:37:29,334 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2018-07-23 13:37:29,334 INFO L93 Difference]: Finished difference Result 10 states and 10 transitions. [2018-07-23 13:37:29,335 INFO L142 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 6 states. [2018-07-23 13:37:29,335 INFO L78 Accepts]: Start accepts. Automaton has 6 states. Word has length 6 [2018-07-23 13:37:29,335 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2018-07-23 13:37:29,335 INFO L225 Difference]: With dead ends: 10 [2018-07-23 13:37:29,336 INFO L226 Difference]: Without dead ends: 8 [2018-07-23 13:37:29,336 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 13:37:29,337 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 8 states. [2018-07-23 13:37:29,338 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 8 to 8. [2018-07-23 13:37:29,339 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 8 states. [2018-07-23 13:37:29,339 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 8 states to 8 states and 8 transitions. [2018-07-23 13:37:29,339 INFO L78 Accepts]: Start accepts. Automaton has 8 states and 8 transitions. Word has length 6 [2018-07-23 13:37:29,340 INFO L84 Accepts]: Finished accepts. word is rejected. [2018-07-23 13:37:29,340 INFO L471 AbstractCegarLoop]: Abstraction has 8 states and 8 transitions. [2018-07-23 13:37:29,340 INFO L472 AbstractCegarLoop]: Interpolant automaton has 6 states. [2018-07-23 13:37:29,340 INFO L276 IsEmpty]: Start isEmpty. Operand 8 states and 8 transitions. [2018-07-23 13:37:29,340 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 8 [2018-07-23 13:37:29,341 INFO L349 BasicCegarLoop]: Found error trace [2018-07-23 13:37:29,341 INFO L357 BasicCegarLoop]: trace histogram [4, 1, 1, 1] [2018-07-23 13:37:29,341 INFO L414 AbstractCegarLoop]: === Iteration 5 === [ULTIMATE.startErr0AssertViolationASSERT]=== [2018-07-23 13:37:29,341 INFO L82 PathProgramCache]: Analyzing trace with hash 1890727681, now seen corresponding path program 4 times [2018-07-23 13:37:29,342 INFO L69 tionRefinementEngine]: Using refinement strategy FixedRefinementStrategy [2018-07-23 13:37:29,347 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-07-23 13:37:29,399 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 13:37:29,400 INFO L309 seRefinementStrategy]: Constructing automaton from 0 perfect and 1 imperfect interpolant sequences. [2018-07-23 13:37:29,400 INFO L324 seRefinementStrategy]: Number of different interpolants: perfect sequences [] imperfect sequences [6] total 6 [2018-07-23 13:37:29,400 INFO L142 lantAutomatonBuilder]: Constructing canonical interpolant automaton, with selfloop in false state [2018-07-23 13:37:29,401 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 13:37:29,401 INFO L185 omatonBuilderFactory]: Interpolants [148#true, 149#false, 150#(<= ULTIMATE.start_main_~i~4 0), 151#(<= ULTIMATE.start_main_~i~4 2), 152#(<= ULTIMATE.start_main_~i~4 4), 153#(<= ULTIMATE.start_main_~i~4 6), 154#(<= ULTIMATE.start_main_~i~4 8)] [2018-07-23 13:37:29,403 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 13:37:29,403 INFO L450 AbstractCegarLoop]: Interpolant automaton has 7 states [2018-07-23 13:37:29,403 INFO L132 InterpolantAutomaton]: Constructing interpolant automaton starting with 7 interpolants. [2018-07-23 13:37:29,404 INFO L133 InterpolantAutomaton]: CoverageRelationStatistics Valid=21, Invalid=21, Unknown=0, NotChecked=0, Total=42 [2018-07-23 13:37:29,404 INFO L87 Difference]: Start difference. First operand 8 states and 8 transitions. Second operand 7 states. [2018-07-23 13:37:29,428 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2018-07-23 13:37:29,429 INFO L93 Difference]: Finished difference Result 11 states and 11 transitions. [2018-07-23 13:37:29,429 INFO L142 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 7 states. [2018-07-23 13:37:29,429 INFO L78 Accepts]: Start accepts. Automaton has 7 states. Word has length 7 [2018-07-23 13:37:29,430 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2018-07-23 13:37:29,430 INFO L225 Difference]: With dead ends: 11 [2018-07-23 13:37:29,430 INFO L226 Difference]: Without dead ends: 9 [2018-07-23 13:37:29,431 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 13:37:29,431 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 9 states. [2018-07-23 13:37:29,433 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 9 to 9. [2018-07-23 13:37:29,434 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 9 states. [2018-07-23 13:37:29,434 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 9 states to 9 states and 9 transitions. [2018-07-23 13:37:29,434 INFO L78 Accepts]: Start accepts. Automaton has 9 states and 9 transitions. Word has length 7 [2018-07-23 13:37:29,435 INFO L84 Accepts]: Finished accepts. word is rejected. [2018-07-23 13:37:29,435 INFO L471 AbstractCegarLoop]: Abstraction has 9 states and 9 transitions. [2018-07-23 13:37:29,435 INFO L472 AbstractCegarLoop]: Interpolant automaton has 7 states. [2018-07-23 13:37:29,435 INFO L276 IsEmpty]: Start isEmpty. Operand 9 states and 9 transitions. [2018-07-23 13:37:29,436 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 9 [2018-07-23 13:37:29,436 INFO L349 BasicCegarLoop]: Found error trace [2018-07-23 13:37:29,436 INFO L357 BasicCegarLoop]: trace histogram [5, 1, 1, 1] [2018-07-23 13:37:29,436 INFO L414 AbstractCegarLoop]: === Iteration 6 === [ULTIMATE.startErr0AssertViolationASSERT]=== [2018-07-23 13:37:29,436 INFO L82 PathProgramCache]: Analyzing trace with hash -1516986008, now seen corresponding path program 5 times [2018-07-23 13:37:29,437 INFO L69 tionRefinementEngine]: Using refinement strategy FixedRefinementStrategy [2018-07-23 13:37:29,442 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-07-23 13:37:29,477 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 13:37:29,478 INFO L309 seRefinementStrategy]: Constructing automaton from 0 perfect and 1 imperfect interpolant sequences. [2018-07-23 13:37:29,478 INFO L324 seRefinementStrategy]: Number of different interpolants: perfect sequences [] imperfect sequences [7] total 7 [2018-07-23 13:37:29,478 INFO L142 lantAutomatonBuilder]: Constructing canonical interpolant automaton, with selfloop in false state [2018-07-23 13:37:29,479 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2018-07-23 13:37:29,479 INFO L185 omatonBuilderFactory]: Interpolants [195#true, 196#false, 197#(<= ULTIMATE.start_main_~i~4 0), 198#(<= ULTIMATE.start_main_~i~4 2), 199#(<= ULTIMATE.start_main_~i~4 4), 200#(<= ULTIMATE.start_main_~i~4 6), 201#(<= ULTIMATE.start_main_~i~4 8), 202#(<= ULTIMATE.start_main_~i~4 10)] [2018-07-23 13:37:29,479 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 13:37:29,479 INFO L450 AbstractCegarLoop]: Interpolant automaton has 8 states [2018-07-23 13:37:29,480 INFO L132 InterpolantAutomaton]: Constructing interpolant automaton starting with 8 interpolants. [2018-07-23 13:37:29,480 INFO L133 InterpolantAutomaton]: CoverageRelationStatistics Valid=28, Invalid=28, Unknown=0, NotChecked=0, Total=56 [2018-07-23 13:37:29,480 INFO L87 Difference]: Start difference. First operand 9 states and 9 transitions. Second operand 8 states. [2018-07-23 13:37:29,504 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2018-07-23 13:37:29,505 INFO L93 Difference]: Finished difference Result 12 states and 12 transitions. [2018-07-23 13:37:29,505 INFO L142 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 8 states. [2018-07-23 13:37:29,505 INFO L78 Accepts]: Start accepts. Automaton has 8 states. Word has length 8 [2018-07-23 13:37:29,506 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2018-07-23 13:37:29,507 INFO L225 Difference]: With dead ends: 12 [2018-07-23 13:37:29,507 INFO L226 Difference]: Without dead ends: 10 [2018-07-23 13:37:29,508 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 13:37:29,508 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 10 states. [2018-07-23 13:37:29,510 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 10 to 10. [2018-07-23 13:37:29,511 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 10 states. [2018-07-23 13:37:29,511 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 10 states to 10 states and 10 transitions. [2018-07-23 13:37:29,511 INFO L78 Accepts]: Start accepts. Automaton has 10 states and 10 transitions. Word has length 8 [2018-07-23 13:37:29,512 INFO L84 Accepts]: Finished accepts. word is rejected. [2018-07-23 13:37:29,512 INFO L471 AbstractCegarLoop]: Abstraction has 10 states and 10 transitions. [2018-07-23 13:37:29,512 INFO L472 AbstractCegarLoop]: Interpolant automaton has 8 states. [2018-07-23 13:37:29,512 INFO L276 IsEmpty]: Start isEmpty. Operand 10 states and 10 transitions. [2018-07-23 13:37:29,513 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 10 [2018-07-23 13:37:29,514 INFO L349 BasicCegarLoop]: Found error trace [2018-07-23 13:37:29,514 INFO L357 BasicCegarLoop]: trace histogram [6, 1, 1, 1] [2018-07-23 13:37:29,514 INFO L414 AbstractCegarLoop]: === Iteration 7 === [ULTIMATE.startErr0AssertViolationASSERT]=== [2018-07-23 13:37:29,514 INFO L82 PathProgramCache]: Analyzing trace with hash 218072033, now seen corresponding path program 6 times [2018-07-23 13:37:29,515 INFO L69 tionRefinementEngine]: Using refinement strategy FixedRefinementStrategy [2018-07-23 13:37:29,525 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-07-23 13:37:29,572 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 13:37:29,572 INFO L309 seRefinementStrategy]: Constructing automaton from 0 perfect and 1 imperfect interpolant sequences. [2018-07-23 13:37:29,572 INFO L324 seRefinementStrategy]: Number of different interpolants: perfect sequences [] imperfect sequences [8] total 8 [2018-07-23 13:37:29,573 INFO L142 lantAutomatonBuilder]: Constructing canonical interpolant automaton, with selfloop in false state [2018-07-23 13:37:29,573 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2018-07-23 13:37:29,573 INFO L185 omatonBuilderFactory]: Interpolants [247#true, 248#false, 249#(<= ULTIMATE.start_main_~i~4 0), 250#(<= ULTIMATE.start_main_~i~4 2), 251#(<= ULTIMATE.start_main_~i~4 4), 252#(<= ULTIMATE.start_main_~i~4 6), 253#(<= ULTIMATE.start_main_~i~4 8), 254#(<= ULTIMATE.start_main_~i~4 10), 255#(<= ULTIMATE.start_main_~i~4 12)] [2018-07-23 13:37:29,574 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 13:37:29,574 INFO L450 AbstractCegarLoop]: Interpolant automaton has 9 states [2018-07-23 13:37:29,574 INFO L132 InterpolantAutomaton]: Constructing interpolant automaton starting with 9 interpolants. [2018-07-23 13:37:29,574 INFO L133 InterpolantAutomaton]: CoverageRelationStatistics Valid=36, Invalid=36, Unknown=0, NotChecked=0, Total=72 [2018-07-23 13:37:29,575 INFO L87 Difference]: Start difference. First operand 10 states and 10 transitions. Second operand 9 states. [2018-07-23 13:37:29,596 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2018-07-23 13:37:29,597 INFO L93 Difference]: Finished difference Result 13 states and 13 transitions. [2018-07-23 13:37:29,597 INFO L142 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 9 states. [2018-07-23 13:37:29,597 INFO L78 Accepts]: Start accepts. Automaton has 9 states. Word has length 9 [2018-07-23 13:37:29,597 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2018-07-23 13:37:29,598 INFO L225 Difference]: With dead ends: 13 [2018-07-23 13:37:29,598 INFO L226 Difference]: Without dead ends: 11 [2018-07-23 13:37:29,599 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 13:37:29,599 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 11 states. [2018-07-23 13:37:29,601 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 11 to 11. [2018-07-23 13:37:29,601 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 11 states. [2018-07-23 13:37:29,602 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 11 states to 11 states and 11 transitions. [2018-07-23 13:37:29,602 INFO L78 Accepts]: Start accepts. Automaton has 11 states and 11 transitions. Word has length 9 [2018-07-23 13:37:29,602 INFO L84 Accepts]: Finished accepts. word is rejected. [2018-07-23 13:37:29,602 INFO L471 AbstractCegarLoop]: Abstraction has 11 states and 11 transitions. [2018-07-23 13:37:29,602 INFO L472 AbstractCegarLoop]: Interpolant automaton has 9 states. [2018-07-23 13:37:29,603 INFO L276 IsEmpty]: Start isEmpty. Operand 11 states and 11 transitions. [2018-07-23 13:37:29,603 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 11 [2018-07-23 13:37:29,603 INFO L349 BasicCegarLoop]: Found error trace [2018-07-23 13:37:29,603 INFO L357 BasicCegarLoop]: trace histogram [7, 1, 1, 1] [2018-07-23 13:37:29,604 INFO L414 AbstractCegarLoop]: === Iteration 8 === [ULTIMATE.startErr0AssertViolationASSERT]=== [2018-07-23 13:37:29,604 INFO L82 PathProgramCache]: Analyzing trace with hash -1829703544, now seen corresponding path program 7 times [2018-07-23 13:37:29,604 INFO L69 tionRefinementEngine]: Using refinement strategy FixedRefinementStrategy [2018-07-23 13:37:29,613 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-07-23 13:37:29,677 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 13:37:29,677 INFO L309 seRefinementStrategy]: Constructing automaton from 0 perfect and 1 imperfect interpolant sequences. [2018-07-23 13:37:29,679 INFO L324 seRefinementStrategy]: Number of different interpolants: perfect sequences [] imperfect sequences [9] total 9 [2018-07-23 13:37:29,681 INFO L142 lantAutomatonBuilder]: Constructing canonical interpolant automaton, with selfloop in false state [2018-07-23 13:37:29,681 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2018-07-23 13:37:29,682 INFO L185 omatonBuilderFactory]: Interpolants [304#true, 305#false, 306#(<= ULTIMATE.start_main_~i~4 0), 307#(<= ULTIMATE.start_main_~i~4 2), 308#(<= ULTIMATE.start_main_~i~4 4), 309#(<= ULTIMATE.start_main_~i~4 6), 310#(<= ULTIMATE.start_main_~i~4 8), 311#(<= ULTIMATE.start_main_~i~4 10), 312#(<= ULTIMATE.start_main_~i~4 12), 313#(<= ULTIMATE.start_main_~i~4 14)] [2018-07-23 13:37:29,682 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 13:37:29,682 INFO L450 AbstractCegarLoop]: Interpolant automaton has 10 states [2018-07-23 13:37:29,685 INFO L132 InterpolantAutomaton]: Constructing interpolant automaton starting with 10 interpolants. [2018-07-23 13:37:29,685 INFO L133 InterpolantAutomaton]: CoverageRelationStatistics Valid=45, Invalid=45, Unknown=0, NotChecked=0, Total=90 [2018-07-23 13:37:29,686 INFO L87 Difference]: Start difference. First operand 11 states and 11 transitions. Second operand 10 states. [2018-07-23 13:37:29,702 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2018-07-23 13:37:29,702 INFO L93 Difference]: Finished difference Result 14 states and 14 transitions. [2018-07-23 13:37:29,702 INFO L142 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 10 states. [2018-07-23 13:37:29,703 INFO L78 Accepts]: Start accepts. Automaton has 10 states. Word has length 10 [2018-07-23 13:37:29,703 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2018-07-23 13:37:29,703 INFO L225 Difference]: With dead ends: 14 [2018-07-23 13:37:29,704 INFO L226 Difference]: Without dead ends: 12 [2018-07-23 13:37:29,704 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 13:37:29,705 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 12 states. [2018-07-23 13:37:29,707 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 12 to 12. [2018-07-23 13:37:29,708 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 12 states. [2018-07-23 13:37:29,708 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 12 states to 12 states and 12 transitions. [2018-07-23 13:37:29,711 INFO L78 Accepts]: Start accepts. Automaton has 12 states and 12 transitions. Word has length 10 [2018-07-23 13:37:29,711 INFO L84 Accepts]: Finished accepts. word is rejected. [2018-07-23 13:37:29,711 INFO L471 AbstractCegarLoop]: Abstraction has 12 states and 12 transitions. [2018-07-23 13:37:29,712 INFO L472 AbstractCegarLoop]: Interpolant automaton has 10 states. [2018-07-23 13:37:29,712 INFO L276 IsEmpty]: Start isEmpty. Operand 12 states and 12 transitions. [2018-07-23 13:37:29,712 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 12 [2018-07-23 13:37:29,712 INFO L349 BasicCegarLoop]: Found error trace [2018-07-23 13:37:29,713 INFO L357 BasicCegarLoop]: trace histogram [8, 1, 1, 1] [2018-07-23 13:37:29,713 INFO L414 AbstractCegarLoop]: === Iteration 9 === [ULTIMATE.startErr0AssertViolationASSERT]=== [2018-07-23 13:37:29,713 INFO L82 PathProgramCache]: Analyzing trace with hash -886236991, now seen corresponding path program 8 times [2018-07-23 13:37:29,715 INFO L69 tionRefinementEngine]: Using refinement strategy FixedRefinementStrategy [2018-07-23 13:37:29,723 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-07-23 13:37:29,771 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 13:37:29,772 INFO L309 seRefinementStrategy]: Constructing automaton from 0 perfect and 1 imperfect interpolant sequences. [2018-07-23 13:37:29,772 INFO L324 seRefinementStrategy]: Number of different interpolants: perfect sequences [] imperfect sequences [10] total 10 [2018-07-23 13:37:29,772 INFO L142 lantAutomatonBuilder]: Constructing canonical interpolant automaton, with selfloop in false state [2018-07-23 13:37:29,773 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2018-07-23 13:37:29,773 INFO L185 omatonBuilderFactory]: Interpolants [368#(<= ULTIMATE.start_main_~i~4 0), 369#(<= ULTIMATE.start_main_~i~4 2), 370#(<= ULTIMATE.start_main_~i~4 4), 371#(<= ULTIMATE.start_main_~i~4 6), 372#(<= ULTIMATE.start_main_~i~4 8), 373#(<= ULTIMATE.start_main_~i~4 10), 374#(<= ULTIMATE.start_main_~i~4 12), 375#(<= ULTIMATE.start_main_~i~4 14), 376#(<= ULTIMATE.start_main_~i~4 16), 366#true, 367#false] [2018-07-23 13:37:29,773 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 13:37:29,774 INFO L450 AbstractCegarLoop]: Interpolant automaton has 11 states [2018-07-23 13:37:29,774 INFO L132 InterpolantAutomaton]: Constructing interpolant automaton starting with 11 interpolants. [2018-07-23 13:37:29,774 INFO L133 InterpolantAutomaton]: CoverageRelationStatistics Valid=55, Invalid=55, Unknown=0, NotChecked=0, Total=110 [2018-07-23 13:37:29,775 INFO L87 Difference]: Start difference. First operand 12 states and 12 transitions. Second operand 11 states. [2018-07-23 13:37:29,804 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2018-07-23 13:37:29,804 INFO L93 Difference]: Finished difference Result 15 states and 15 transitions. [2018-07-23 13:37:29,804 INFO L142 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 11 states. [2018-07-23 13:37:29,804 INFO L78 Accepts]: Start accepts. Automaton has 11 states. Word has length 11 [2018-07-23 13:37:29,805 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2018-07-23 13:37:29,805 INFO L225 Difference]: With dead ends: 15 [2018-07-23 13:37:29,805 INFO L226 Difference]: Without dead ends: 13 [2018-07-23 13:37:29,806 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 13:37:29,806 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 13 states. [2018-07-23 13:37:29,811 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 13 to 13. [2018-07-23 13:37:29,812 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 13 states. [2018-07-23 13:37:29,812 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 13 states to 13 states and 13 transitions. [2018-07-23 13:37:29,812 INFO L78 Accepts]: Start accepts. Automaton has 13 states and 13 transitions. Word has length 11 [2018-07-23 13:37:29,813 INFO L84 Accepts]: Finished accepts. word is rejected. [2018-07-23 13:37:29,813 INFO L471 AbstractCegarLoop]: Abstraction has 13 states and 13 transitions. [2018-07-23 13:37:29,813 INFO L472 AbstractCegarLoop]: Interpolant automaton has 11 states. [2018-07-23 13:37:29,813 INFO L276 IsEmpty]: Start isEmpty. Operand 13 states and 13 transitions. [2018-07-23 13:37:29,817 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 13 [2018-07-23 13:37:29,817 INFO L349 BasicCegarLoop]: Found error trace [2018-07-23 13:37:29,818 INFO L357 BasicCegarLoop]: trace histogram [9, 1, 1, 1] [2018-07-23 13:37:29,818 INFO L414 AbstractCegarLoop]: === Iteration 10 === [ULTIMATE.startErr0AssertViolationASSERT]=== [2018-07-23 13:37:29,818 INFO L82 PathProgramCache]: Analyzing trace with hash -1703544920, now seen corresponding path program 9 times [2018-07-23 13:37:29,818 INFO L69 tionRefinementEngine]: Using refinement strategy FixedRefinementStrategy [2018-07-23 13:37:29,829 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-07-23 13:37:29,900 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 13:37:29,901 INFO L309 seRefinementStrategy]: Constructing automaton from 0 perfect and 1 imperfect interpolant sequences. [2018-07-23 13:37:29,901 INFO L324 seRefinementStrategy]: Number of different interpolants: perfect sequences [] imperfect sequences [11] total 11 [2018-07-23 13:37:29,901 INFO L142 lantAutomatonBuilder]: Constructing canonical interpolant automaton, with selfloop in false state [2018-07-23 13:37:29,902 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 13:37:29,902 INFO L185 omatonBuilderFactory]: Interpolants [433#true, 434#false, 435#(<= ULTIMATE.start_main_~i~4 0), 436#(<= ULTIMATE.start_main_~i~4 2), 437#(<= ULTIMATE.start_main_~i~4 4), 438#(<= ULTIMATE.start_main_~i~4 6), 439#(<= ULTIMATE.start_main_~i~4 8), 440#(<= ULTIMATE.start_main_~i~4 10), 441#(<= ULTIMATE.start_main_~i~4 12), 442#(<= ULTIMATE.start_main_~i~4 14), 443#(<= ULTIMATE.start_main_~i~4 16), 444#(<= ULTIMATE.start_main_~i~4 18)] [2018-07-23 13:37:29,904 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 13:37:29,904 INFO L450 AbstractCegarLoop]: Interpolant automaton has 12 states [2018-07-23 13:37:29,905 INFO L132 InterpolantAutomaton]: Constructing interpolant automaton starting with 12 interpolants. [2018-07-23 13:37:29,905 INFO L133 InterpolantAutomaton]: CoverageRelationStatistics Valid=66, Invalid=66, Unknown=0, NotChecked=0, Total=132 [2018-07-23 13:37:29,905 INFO L87 Difference]: Start difference. First operand 13 states and 13 transitions. Second operand 12 states. [2018-07-23 13:37:29,936 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2018-07-23 13:37:29,936 INFO L93 Difference]: Finished difference Result 16 states and 16 transitions. [2018-07-23 13:37:29,936 INFO L142 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 12 states. [2018-07-23 13:37:29,937 INFO L78 Accepts]: Start accepts. Automaton has 12 states. Word has length 12 [2018-07-23 13:37:29,937 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2018-07-23 13:37:29,937 INFO L225 Difference]: With dead ends: 16 [2018-07-23 13:37:29,938 INFO L226 Difference]: Without dead ends: 14 [2018-07-23 13:37:29,938 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 13:37:29,939 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 14 states. [2018-07-23 13:37:29,942 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 14 to 14. [2018-07-23 13:37:29,942 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 14 states. [2018-07-23 13:37:29,943 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 14 states to 14 states and 14 transitions. [2018-07-23 13:37:29,943 INFO L78 Accepts]: Start accepts. Automaton has 14 states and 14 transitions. Word has length 12 [2018-07-23 13:37:29,943 INFO L84 Accepts]: Finished accepts. word is rejected. [2018-07-23 13:37:29,944 INFO L471 AbstractCegarLoop]: Abstraction has 14 states and 14 transitions. [2018-07-23 13:37:29,944 INFO L472 AbstractCegarLoop]: Interpolant automaton has 12 states. [2018-07-23 13:37:29,944 INFO L276 IsEmpty]: Start isEmpty. Operand 14 states and 14 transitions. [2018-07-23 13:37:29,944 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 14 [2018-07-23 13:37:29,945 INFO L349 BasicCegarLoop]: Found error trace [2018-07-23 13:37:29,945 INFO L357 BasicCegarLoop]: trace histogram [10, 1, 1, 1] [2018-07-23 13:37:29,945 INFO L414 AbstractCegarLoop]: === Iteration 11 === [ULTIMATE.startErr0AssertViolationASSERT]=== [2018-07-23 13:37:29,945 INFO L82 PathProgramCache]: Analyzing trace with hash -1270286943, now seen corresponding path program 10 times [2018-07-23 13:37:29,945 INFO L69 tionRefinementEngine]: Using refinement strategy FixedRefinementStrategy [2018-07-23 13:37:29,950 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-07-23 13:37:29,988 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 13:37:29,989 INFO L309 seRefinementStrategy]: Constructing automaton from 0 perfect and 1 imperfect interpolant sequences. [2018-07-23 13:37:29,989 INFO L324 seRefinementStrategy]: Number of different interpolants: perfect sequences [] imperfect sequences [12] total 12 [2018-07-23 13:37:29,989 INFO L142 lantAutomatonBuilder]: Constructing canonical interpolant automaton, with selfloop in false state [2018-07-23 13:37:29,990 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 13:37:29,990 INFO L185 omatonBuilderFactory]: Interpolants [512#(<= ULTIMATE.start_main_~i~4 10), 513#(<= ULTIMATE.start_main_~i~4 12), 514#(<= ULTIMATE.start_main_~i~4 14), 515#(<= ULTIMATE.start_main_~i~4 16), 516#(<= ULTIMATE.start_main_~i~4 18), 517#(<= ULTIMATE.start_main_~i~4 20), 505#true, 506#false, 507#(<= ULTIMATE.start_main_~i~4 0), 508#(<= ULTIMATE.start_main_~i~4 2), 509#(<= ULTIMATE.start_main_~i~4 4), 510#(<= ULTIMATE.start_main_~i~4 6), 511#(<= ULTIMATE.start_main_~i~4 8)] [2018-07-23 13:37:29,993 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 13:37:29,993 INFO L450 AbstractCegarLoop]: Interpolant automaton has 13 states [2018-07-23 13:37:29,993 INFO L132 InterpolantAutomaton]: Constructing interpolant automaton starting with 13 interpolants. [2018-07-23 13:37:29,995 INFO L133 InterpolantAutomaton]: CoverageRelationStatistics Valid=78, Invalid=78, Unknown=0, NotChecked=0, Total=156 [2018-07-23 13:37:29,996 INFO L87 Difference]: Start difference. First operand 14 states and 14 transitions. Second operand 13 states. [2018-07-23 13:37:30,020 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2018-07-23 13:37:30,023 INFO L93 Difference]: Finished difference Result 17 states and 17 transitions. [2018-07-23 13:37:30,023 INFO L142 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 13 states. [2018-07-23 13:37:30,023 INFO L78 Accepts]: Start accepts. Automaton has 13 states. Word has length 13 [2018-07-23 13:37:30,023 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2018-07-23 13:37:30,024 INFO L225 Difference]: With dead ends: 17 [2018-07-23 13:37:30,024 INFO L226 Difference]: Without dead ends: 15 [2018-07-23 13:37:30,025 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 13:37:30,025 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 15 states. [2018-07-23 13:37:30,032 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 15 to 15. [2018-07-23 13:37:30,032 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 15 states. [2018-07-23 13:37:30,033 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 15 states to 15 states and 15 transitions. [2018-07-23 13:37:30,034 INFO L78 Accepts]: Start accepts. Automaton has 15 states and 15 transitions. Word has length 13 [2018-07-23 13:37:30,034 INFO L84 Accepts]: Finished accepts. word is rejected. [2018-07-23 13:37:30,034 INFO L471 AbstractCegarLoop]: Abstraction has 15 states and 15 transitions. [2018-07-23 13:37:30,034 INFO L472 AbstractCegarLoop]: Interpolant automaton has 13 states. [2018-07-23 13:37:30,034 INFO L276 IsEmpty]: Start isEmpty. Operand 15 states and 15 transitions. [2018-07-23 13:37:30,035 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 15 [2018-07-23 13:37:30,035 INFO L349 BasicCegarLoop]: Found error trace [2018-07-23 13:37:30,036 INFO L357 BasicCegarLoop]: trace histogram [11, 1, 1, 1] [2018-07-23 13:37:30,037 INFO L414 AbstractCegarLoop]: === Iteration 12 === [ULTIMATE.startErr0AssertViolationASSERT]=== [2018-07-23 13:37:30,037 INFO L82 PathProgramCache]: Analyzing trace with hash -724191544, now seen corresponding path program 11 times [2018-07-23 13:37:30,037 INFO L69 tionRefinementEngine]: Using refinement strategy FixedRefinementStrategy [2018-07-23 13:37:30,047 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-07-23 13:37:30,127 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 13:37:30,131 INFO L309 seRefinementStrategy]: Constructing automaton from 0 perfect and 1 imperfect interpolant sequences. [2018-07-23 13:37:30,131 INFO L324 seRefinementStrategy]: Number of different interpolants: perfect sequences [] imperfect sequences [13] total 13 [2018-07-23 13:37:30,131 INFO L142 lantAutomatonBuilder]: Constructing canonical interpolant automaton, with selfloop in false state [2018-07-23 13:37:30,132 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2018-07-23 13:37:30,132 INFO L185 omatonBuilderFactory]: Interpolants [582#true, 583#false, 584#(<= ULTIMATE.start_main_~i~4 0), 585#(<= ULTIMATE.start_main_~i~4 2), 586#(<= ULTIMATE.start_main_~i~4 4), 587#(<= ULTIMATE.start_main_~i~4 6), 588#(<= ULTIMATE.start_main_~i~4 8), 589#(<= ULTIMATE.start_main_~i~4 10), 590#(<= ULTIMATE.start_main_~i~4 12), 591#(<= ULTIMATE.start_main_~i~4 14), 592#(<= ULTIMATE.start_main_~i~4 16), 593#(<= ULTIMATE.start_main_~i~4 18), 594#(<= ULTIMATE.start_main_~i~4 20), 595#(<= ULTIMATE.start_main_~i~4 22)] [2018-07-23 13:37:30,132 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 13:37:30,133 INFO L450 AbstractCegarLoop]: Interpolant automaton has 14 states [2018-07-23 13:37:30,133 INFO L132 InterpolantAutomaton]: Constructing interpolant automaton starting with 14 interpolants. [2018-07-23 13:37:30,135 INFO L133 InterpolantAutomaton]: CoverageRelationStatistics Valid=91, Invalid=91, Unknown=0, NotChecked=0, Total=182 [2018-07-23 13:37:30,136 INFO L87 Difference]: Start difference. First operand 15 states and 15 transitions. Second operand 14 states. [2018-07-23 13:37:30,156 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2018-07-23 13:37:30,157 INFO L93 Difference]: Finished difference Result 18 states and 18 transitions. [2018-07-23 13:37:30,157 INFO L142 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 14 states. [2018-07-23 13:37:30,157 INFO L78 Accepts]: Start accepts. Automaton has 14 states. Word has length 14 [2018-07-23 13:37:30,158 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2018-07-23 13:37:30,158 INFO L225 Difference]: With dead ends: 18 [2018-07-23 13:37:30,158 INFO L226 Difference]: Without dead ends: 16 [2018-07-23 13:37:30,159 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 13:37:30,159 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 16 states. [2018-07-23 13:37:30,162 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 16 to 16. [2018-07-23 13:37:30,162 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 16 states. [2018-07-23 13:37:30,163 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 16 states to 16 states and 16 transitions. [2018-07-23 13:37:30,163 INFO L78 Accepts]: Start accepts. Automaton has 16 states and 16 transitions. Word has length 14 [2018-07-23 13:37:30,163 INFO L84 Accepts]: Finished accepts. word is rejected. [2018-07-23 13:37:30,163 INFO L471 AbstractCegarLoop]: Abstraction has 16 states and 16 transitions. [2018-07-23 13:37:30,164 INFO L472 AbstractCegarLoop]: Interpolant automaton has 14 states. [2018-07-23 13:37:30,164 INFO L276 IsEmpty]: Start isEmpty. Operand 16 states and 16 transitions. [2018-07-23 13:37:30,164 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 16 [2018-07-23 13:37:30,165 INFO L349 BasicCegarLoop]: Found error trace [2018-07-23 13:37:30,165 INFO L357 BasicCegarLoop]: trace histogram [12, 1, 1, 1] [2018-07-23 13:37:30,165 INFO L414 AbstractCegarLoop]: === Iteration 13 === [ULTIMATE.startErr0AssertViolationASSERT]=== [2018-07-23 13:37:30,165 INFO L82 PathProgramCache]: Analyzing trace with hash -975103359, now seen corresponding path program 12 times [2018-07-23 13:37:30,166 INFO L69 tionRefinementEngine]: Using refinement strategy FixedRefinementStrategy [2018-07-23 13:37:30,172 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-07-23 13:37:30,212 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 13:37:30,213 INFO L309 seRefinementStrategy]: Constructing automaton from 0 perfect and 1 imperfect interpolant sequences. [2018-07-23 13:37:30,213 INFO L324 seRefinementStrategy]: Number of different interpolants: perfect sequences [] imperfect sequences [14] total 14 [2018-07-23 13:37:30,213 INFO L142 lantAutomatonBuilder]: Constructing canonical interpolant automaton, with selfloop in false state [2018-07-23 13:37:30,213 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2018-07-23 13:37:30,214 INFO L185 omatonBuilderFactory]: Interpolants [672#(<= ULTIMATE.start_main_~i~4 12), 673#(<= ULTIMATE.start_main_~i~4 14), 674#(<= ULTIMATE.start_main_~i~4 16), 675#(<= ULTIMATE.start_main_~i~4 18), 676#(<= ULTIMATE.start_main_~i~4 20), 677#(<= ULTIMATE.start_main_~i~4 22), 678#(<= ULTIMATE.start_main_~i~4 24), 664#true, 665#false, 666#(<= ULTIMATE.start_main_~i~4 0), 667#(<= ULTIMATE.start_main_~i~4 2), 668#(<= ULTIMATE.start_main_~i~4 4), 669#(<= ULTIMATE.start_main_~i~4 6), 670#(<= ULTIMATE.start_main_~i~4 8), 671#(<= ULTIMATE.start_main_~i~4 10)] [2018-07-23 13:37:30,214 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 13:37:30,214 INFO L450 AbstractCegarLoop]: Interpolant automaton has 15 states [2018-07-23 13:37:30,215 INFO L132 InterpolantAutomaton]: Constructing interpolant automaton starting with 15 interpolants. [2018-07-23 13:37:30,215 INFO L133 InterpolantAutomaton]: CoverageRelationStatistics Valid=105, Invalid=105, Unknown=0, NotChecked=0, Total=210 [2018-07-23 13:37:30,215 INFO L87 Difference]: Start difference. First operand 16 states and 16 transitions. Second operand 15 states. [2018-07-23 13:37:30,236 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2018-07-23 13:37:30,236 INFO L93 Difference]: Finished difference Result 19 states and 19 transitions. [2018-07-23 13:37:30,236 INFO L142 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 15 states. [2018-07-23 13:37:30,237 INFO L78 Accepts]: Start accepts. Automaton has 15 states. Word has length 15 [2018-07-23 13:37:30,237 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2018-07-23 13:37:30,238 INFO L225 Difference]: With dead ends: 19 [2018-07-23 13:37:30,238 INFO L226 Difference]: Without dead ends: 17 [2018-07-23 13:37:30,238 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 13:37:30,239 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 17 states. [2018-07-23 13:37:30,244 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 17 to 17. [2018-07-23 13:37:30,244 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 17 states. [2018-07-23 13:37:30,245 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 17 states to 17 states and 17 transitions. [2018-07-23 13:37:30,245 INFO L78 Accepts]: Start accepts. Automaton has 17 states and 17 transitions. Word has length 15 [2018-07-23 13:37:30,245 INFO L84 Accepts]: Finished accepts. word is rejected. [2018-07-23 13:37:30,247 INFO L471 AbstractCegarLoop]: Abstraction has 17 states and 17 transitions. [2018-07-23 13:37:30,247 INFO L472 AbstractCegarLoop]: Interpolant automaton has 15 states. [2018-07-23 13:37:30,247 INFO L276 IsEmpty]: Start isEmpty. Operand 17 states and 17 transitions. [2018-07-23 13:37:30,247 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 17 [2018-07-23 13:37:30,248 INFO L349 BasicCegarLoop]: Found error trace [2018-07-23 13:37:30,248 INFO L357 BasicCegarLoop]: trace histogram [13, 1, 1, 1] [2018-07-23 13:37:30,248 INFO L414 AbstractCegarLoop]: === Iteration 14 === [ULTIMATE.startErr0AssertViolationASSERT]=== [2018-07-23 13:37:30,251 INFO L82 PathProgramCache]: Analyzing trace with hash -163435032, now seen corresponding path program 13 times [2018-07-23 13:37:30,252 INFO L69 tionRefinementEngine]: Using refinement strategy FixedRefinementStrategy [2018-07-23 13:37:30,258 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-07-23 13:37:30,317 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 13:37:30,317 INFO L309 seRefinementStrategy]: Constructing automaton from 0 perfect and 1 imperfect interpolant sequences. [2018-07-23 13:37:30,317 INFO L324 seRefinementStrategy]: Number of different interpolants: perfect sequences [] imperfect sequences [15] total 15 [2018-07-23 13:37:30,318 INFO L142 lantAutomatonBuilder]: Constructing canonical interpolant automaton, with selfloop in false state [2018-07-23 13:37:30,318 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2018-07-23 13:37:30,319 INFO L185 omatonBuilderFactory]: Interpolants [751#true, 752#false, 753#(<= ULTIMATE.start_main_~i~4 0), 754#(<= ULTIMATE.start_main_~i~4 2), 755#(<= ULTIMATE.start_main_~i~4 4), 756#(<= ULTIMATE.start_main_~i~4 6), 757#(<= ULTIMATE.start_main_~i~4 8), 758#(<= ULTIMATE.start_main_~i~4 10), 759#(<= ULTIMATE.start_main_~i~4 12), 760#(<= ULTIMATE.start_main_~i~4 14), 761#(<= ULTIMATE.start_main_~i~4 16), 762#(<= ULTIMATE.start_main_~i~4 18), 763#(<= ULTIMATE.start_main_~i~4 20), 764#(<= ULTIMATE.start_main_~i~4 22), 765#(<= ULTIMATE.start_main_~i~4 24), 766#(<= ULTIMATE.start_main_~i~4 26)] [2018-07-23 13:37:30,319 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 13:37:30,319 INFO L450 AbstractCegarLoop]: Interpolant automaton has 16 states [2018-07-23 13:37:30,321 INFO L132 InterpolantAutomaton]: Constructing interpolant automaton starting with 16 interpolants. [2018-07-23 13:37:30,322 INFO L133 InterpolantAutomaton]: CoverageRelationStatistics Valid=120, Invalid=120, Unknown=0, NotChecked=0, Total=240 [2018-07-23 13:37:30,322 INFO L87 Difference]: Start difference. First operand 17 states and 17 transitions. Second operand 16 states. [2018-07-23 13:37:30,345 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2018-07-23 13:37:30,345 INFO L93 Difference]: Finished difference Result 20 states and 20 transitions. [2018-07-23 13:37:30,346 INFO L142 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 16 states. [2018-07-23 13:37:30,346 INFO L78 Accepts]: Start accepts. Automaton has 16 states. Word has length 16 [2018-07-23 13:37:30,346 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2018-07-23 13:37:30,347 INFO L225 Difference]: With dead ends: 20 [2018-07-23 13:37:30,347 INFO L226 Difference]: Without dead ends: 18 [2018-07-23 13:37:30,347 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 13:37:30,348 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 18 states. [2018-07-23 13:37:30,350 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 18 to 18. [2018-07-23 13:37:30,350 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 18 states. [2018-07-23 13:37:30,351 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 18 states to 18 states and 18 transitions. [2018-07-23 13:37:30,351 INFO L78 Accepts]: Start accepts. Automaton has 18 states and 18 transitions. Word has length 16 [2018-07-23 13:37:30,351 INFO L84 Accepts]: Finished accepts. word is rejected. [2018-07-23 13:37:30,352 INFO L471 AbstractCegarLoop]: Abstraction has 18 states and 18 transitions. [2018-07-23 13:37:30,352 INFO L472 AbstractCegarLoop]: Interpolant automaton has 16 states. [2018-07-23 13:37:30,352 INFO L276 IsEmpty]: Start isEmpty. Operand 18 states and 18 transitions. [2018-07-23 13:37:30,352 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 18 [2018-07-23 13:37:30,353 INFO L349 BasicCegarLoop]: Found error trace [2018-07-23 13:37:30,353 INFO L357 BasicCegarLoop]: trace histogram [14, 1, 1, 1] [2018-07-23 13:37:30,353 INFO L414 AbstractCegarLoop]: === Iteration 15 === [ULTIMATE.startErr0AssertViolationASSERT]=== [2018-07-23 13:37:30,353 INFO L82 PathProgramCache]: Analyzing trace with hash -771520671, now seen corresponding path program 14 times [2018-07-23 13:37:30,353 INFO L69 tionRefinementEngine]: Using refinement strategy FixedRefinementStrategy [2018-07-23 13:37:30,359 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-07-23 13:37:30,412 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 13:37:30,412 INFO L309 seRefinementStrategy]: Constructing automaton from 0 perfect and 1 imperfect interpolant sequences. [2018-07-23 13:37:30,413 INFO L324 seRefinementStrategy]: Number of different interpolants: perfect sequences [] imperfect sequences [16] total 16 [2018-07-23 13:37:30,413 INFO L142 lantAutomatonBuilder]: Constructing canonical interpolant automaton, with selfloop in false state [2018-07-23 13:37:30,413 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2018-07-23 13:37:30,414 INFO L185 omatonBuilderFactory]: Interpolants [843#true, 844#false, 845#(<= ULTIMATE.start_main_~i~4 0), 846#(<= ULTIMATE.start_main_~i~4 2), 847#(<= ULTIMATE.start_main_~i~4 4), 848#(<= ULTIMATE.start_main_~i~4 6), 849#(<= ULTIMATE.start_main_~i~4 8), 850#(<= ULTIMATE.start_main_~i~4 10), 851#(<= ULTIMATE.start_main_~i~4 12), 852#(<= ULTIMATE.start_main_~i~4 14), 853#(<= ULTIMATE.start_main_~i~4 16), 854#(<= ULTIMATE.start_main_~i~4 18), 855#(<= ULTIMATE.start_main_~i~4 20), 856#(<= ULTIMATE.start_main_~i~4 22), 857#(<= ULTIMATE.start_main_~i~4 24), 858#(<= ULTIMATE.start_main_~i~4 26), 859#(<= ULTIMATE.start_main_~i~4 28)] [2018-07-23 13:37:30,414 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 13:37:30,414 INFO L450 AbstractCegarLoop]: Interpolant automaton has 17 states [2018-07-23 13:37:30,415 INFO L132 InterpolantAutomaton]: Constructing interpolant automaton starting with 17 interpolants. [2018-07-23 13:37:30,415 INFO L133 InterpolantAutomaton]: CoverageRelationStatistics Valid=136, Invalid=136, Unknown=0, NotChecked=0, Total=272 [2018-07-23 13:37:30,416 INFO L87 Difference]: Start difference. First operand 18 states and 18 transitions. Second operand 17 states. [2018-07-23 13:37:30,435 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2018-07-23 13:37:30,435 INFO L93 Difference]: Finished difference Result 21 states and 21 transitions. [2018-07-23 13:37:30,436 INFO L142 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 17 states. [2018-07-23 13:37:30,436 INFO L78 Accepts]: Start accepts. Automaton has 17 states. Word has length 17 [2018-07-23 13:37:30,436 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2018-07-23 13:37:30,437 INFO L225 Difference]: With dead ends: 21 [2018-07-23 13:37:30,437 INFO L226 Difference]: Without dead ends: 19 [2018-07-23 13:37:30,440 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 13:37:30,440 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 19 states. [2018-07-23 13:37:30,445 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 19 to 19. [2018-07-23 13:37:30,447 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 19 states. [2018-07-23 13:37:30,447 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 19 states to 19 states and 19 transitions. [2018-07-23 13:37:30,448 INFO L78 Accepts]: Start accepts. Automaton has 19 states and 19 transitions. Word has length 17 [2018-07-23 13:37:30,448 INFO L84 Accepts]: Finished accepts. word is rejected. [2018-07-23 13:37:30,448 INFO L471 AbstractCegarLoop]: Abstraction has 19 states and 19 transitions. [2018-07-23 13:37:30,448 INFO L472 AbstractCegarLoop]: Interpolant automaton has 17 states. [2018-07-23 13:37:30,449 INFO L276 IsEmpty]: Start isEmpty. Operand 19 states and 19 transitions. [2018-07-23 13:37:30,449 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 19 [2018-07-23 13:37:30,449 INFO L349 BasicCegarLoop]: Found error trace [2018-07-23 13:37:30,449 INFO L357 BasicCegarLoop]: trace histogram [15, 1, 1, 1] [2018-07-23 13:37:30,450 INFO L414 AbstractCegarLoop]: === Iteration 16 === [ULTIMATE.startErr0AssertViolationASSERT]=== [2018-07-23 13:37:30,450 INFO L82 PathProgramCache]: Analyzing trace with hash 1852661000, now seen corresponding path program 15 times [2018-07-23 13:37:30,454 INFO L69 tionRefinementEngine]: Using refinement strategy FixedRefinementStrategy [2018-07-23 13:37:30,460 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-07-23 13:37:30,524 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 13:37:30,524 INFO L309 seRefinementStrategy]: Constructing automaton from 0 perfect and 1 imperfect interpolant sequences. [2018-07-23 13:37:30,525 INFO L324 seRefinementStrategy]: Number of different interpolants: perfect sequences [] imperfect sequences [17] total 17 [2018-07-23 13:37:30,525 INFO L142 lantAutomatonBuilder]: Constructing canonical interpolant automaton, with selfloop in false state [2018-07-23 13:37:30,525 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2018-07-23 13:37:30,527 INFO L185 omatonBuilderFactory]: Interpolants [940#true, 941#false, 942#(<= ULTIMATE.start_main_~i~4 0), 943#(<= ULTIMATE.start_main_~i~4 2), 944#(<= ULTIMATE.start_main_~i~4 4), 945#(<= ULTIMATE.start_main_~i~4 6), 946#(<= ULTIMATE.start_main_~i~4 8), 947#(<= ULTIMATE.start_main_~i~4 10), 948#(<= ULTIMATE.start_main_~i~4 12), 949#(<= ULTIMATE.start_main_~i~4 14), 950#(<= ULTIMATE.start_main_~i~4 16), 951#(<= ULTIMATE.start_main_~i~4 18), 952#(<= ULTIMATE.start_main_~i~4 20), 953#(<= ULTIMATE.start_main_~i~4 22), 954#(<= ULTIMATE.start_main_~i~4 24), 955#(<= ULTIMATE.start_main_~i~4 26), 956#(<= ULTIMATE.start_main_~i~4 28), 957#(<= ULTIMATE.start_main_~i~4 30)] [2018-07-23 13:37:30,527 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 13:37:30,528 INFO L450 AbstractCegarLoop]: Interpolant automaton has 18 states [2018-07-23 13:37:30,528 INFO L132 InterpolantAutomaton]: Constructing interpolant automaton starting with 18 interpolants. [2018-07-23 13:37:30,528 INFO L133 InterpolantAutomaton]: CoverageRelationStatistics Valid=153, Invalid=153, Unknown=0, NotChecked=0, Total=306 [2018-07-23 13:37:30,529 INFO L87 Difference]: Start difference. First operand 19 states and 19 transitions. Second operand 18 states. [2018-07-23 13:37:30,548 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2018-07-23 13:37:30,548 INFO L93 Difference]: Finished difference Result 22 states and 22 transitions. [2018-07-23 13:37:30,548 INFO L142 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 18 states. [2018-07-23 13:37:30,548 INFO L78 Accepts]: Start accepts. Automaton has 18 states. Word has length 18 [2018-07-23 13:37:30,549 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2018-07-23 13:37:30,549 INFO L225 Difference]: With dead ends: 22 [2018-07-23 13:37:30,556 INFO L226 Difference]: Without dead ends: 20 [2018-07-23 13:37:30,559 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 13:37:30,560 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 20 states. [2018-07-23 13:37:30,562 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 20 to 20. [2018-07-23 13:37:30,564 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 20 states. [2018-07-23 13:37:30,565 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 20 states to 20 states and 20 transitions. [2018-07-23 13:37:30,565 INFO L78 Accepts]: Start accepts. Automaton has 20 states and 20 transitions. Word has length 18 [2018-07-23 13:37:30,565 INFO L84 Accepts]: Finished accepts. word is rejected. [2018-07-23 13:37:30,566 INFO L471 AbstractCegarLoop]: Abstraction has 20 states and 20 transitions. [2018-07-23 13:37:30,566 INFO L472 AbstractCegarLoop]: Interpolant automaton has 18 states. [2018-07-23 13:37:30,566 INFO L276 IsEmpty]: Start isEmpty. Operand 20 states and 20 transitions. [2018-07-23 13:37:30,567 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 20 [2018-07-23 13:37:30,567 INFO L349 BasicCegarLoop]: Found error trace [2018-07-23 13:37:30,568 INFO L357 BasicCegarLoop]: trace histogram [16, 1, 1, 1] [2018-07-23 13:37:30,568 INFO L414 AbstractCegarLoop]: === Iteration 17 === [ULTIMATE.startErr0AssertViolationASSERT]=== [2018-07-23 13:37:30,568 INFO L82 PathProgramCache]: Analyzing trace with hash 1597914177, now seen corresponding path program 16 times [2018-07-23 13:37:30,568 INFO L69 tionRefinementEngine]: Using refinement strategy FixedRefinementStrategy [2018-07-23 13:37:30,580 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-07-23 13:37:30,629 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 13:37:30,629 INFO L309 seRefinementStrategy]: Constructing automaton from 0 perfect and 1 imperfect interpolant sequences. [2018-07-23 13:37:30,630 INFO L324 seRefinementStrategy]: Number of different interpolants: perfect sequences [] imperfect sequences [18] total 18 [2018-07-23 13:37:30,630 INFO L142 lantAutomatonBuilder]: Constructing canonical interpolant automaton, with selfloop in false state [2018-07-23 13:37:30,630 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2018-07-23 13:37:30,631 INFO L185 omatonBuilderFactory]: Interpolants [1056#(<= ULTIMATE.start_main_~i~4 24), 1057#(<= ULTIMATE.start_main_~i~4 26), 1058#(<= ULTIMATE.start_main_~i~4 28), 1059#(<= ULTIMATE.start_main_~i~4 30), 1060#(<= ULTIMATE.start_main_~i~4 32), 1042#true, 1043#false, 1044#(<= ULTIMATE.start_main_~i~4 0), 1045#(<= ULTIMATE.start_main_~i~4 2), 1046#(<= ULTIMATE.start_main_~i~4 4), 1047#(<= ULTIMATE.start_main_~i~4 6), 1048#(<= ULTIMATE.start_main_~i~4 8), 1049#(<= ULTIMATE.start_main_~i~4 10), 1050#(<= ULTIMATE.start_main_~i~4 12), 1051#(<= ULTIMATE.start_main_~i~4 14), 1052#(<= ULTIMATE.start_main_~i~4 16), 1053#(<= ULTIMATE.start_main_~i~4 18), 1054#(<= ULTIMATE.start_main_~i~4 20), 1055#(<= ULTIMATE.start_main_~i~4 22)] [2018-07-23 13:37:30,631 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 13:37:30,632 INFO L450 AbstractCegarLoop]: Interpolant automaton has 19 states [2018-07-23 13:37:30,632 INFO L132 InterpolantAutomaton]: Constructing interpolant automaton starting with 19 interpolants. [2018-07-23 13:37:30,633 INFO L133 InterpolantAutomaton]: CoverageRelationStatistics Valid=171, Invalid=171, Unknown=0, NotChecked=0, Total=342 [2018-07-23 13:37:30,633 INFO L87 Difference]: Start difference. First operand 20 states and 20 transitions. Second operand 19 states. [2018-07-23 13:37:30,647 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2018-07-23 13:37:30,648 INFO L93 Difference]: Finished difference Result 23 states and 23 transitions. [2018-07-23 13:37:30,649 INFO L142 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 19 states. [2018-07-23 13:37:30,649 INFO L78 Accepts]: Start accepts. Automaton has 19 states. Word has length 19 [2018-07-23 13:37:30,649 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2018-07-23 13:37:30,650 INFO L225 Difference]: With dead ends: 23 [2018-07-23 13:37:30,650 INFO L226 Difference]: Without dead ends: 21 [2018-07-23 13:37:30,651 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 13:37:30,651 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 21 states. [2018-07-23 13:37:30,654 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 21 to 21. [2018-07-23 13:37:30,654 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 21 states. [2018-07-23 13:37:30,655 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 21 states to 21 states and 21 transitions. [2018-07-23 13:37:30,655 INFO L78 Accepts]: Start accepts. Automaton has 21 states and 21 transitions. Word has length 19 [2018-07-23 13:37:30,656 INFO L84 Accepts]: Finished accepts. word is rejected. [2018-07-23 13:37:30,656 INFO L471 AbstractCegarLoop]: Abstraction has 21 states and 21 transitions. [2018-07-23 13:37:30,656 INFO L472 AbstractCegarLoop]: Interpolant automaton has 19 states. [2018-07-23 13:37:30,656 INFO L276 IsEmpty]: Start isEmpty. Operand 21 states and 21 transitions. [2018-07-23 13:37:30,657 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 21 [2018-07-23 13:37:30,657 INFO L349 BasicCegarLoop]: Found error trace [2018-07-23 13:37:30,657 INFO L357 BasicCegarLoop]: trace histogram [17, 1, 1, 1] [2018-07-23 13:37:30,657 INFO L414 AbstractCegarLoop]: === Iteration 18 === [ULTIMATE.startErr0AssertViolationASSERT]=== [2018-07-23 13:37:30,658 INFO L82 PathProgramCache]: Analyzing trace with hash -2004270040, now seen corresponding path program 17 times [2018-07-23 13:37:30,658 INFO L69 tionRefinementEngine]: Using refinement strategy FixedRefinementStrategy [2018-07-23 13:37:30,664 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-07-23 13:37:30,732 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 13:37:30,732 INFO L309 seRefinementStrategy]: Constructing automaton from 0 perfect and 1 imperfect interpolant sequences. [2018-07-23 13:37:30,732 INFO L324 seRefinementStrategy]: Number of different interpolants: perfect sequences [] imperfect sequences [19] total 19 [2018-07-23 13:37:30,732 INFO L142 lantAutomatonBuilder]: Constructing canonical interpolant automaton, with selfloop in false state [2018-07-23 13:37:30,733 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 13:37:30,733 INFO L185 omatonBuilderFactory]: Interpolants [1152#(<= ULTIMATE.start_main_~i~4 2), 1153#(<= ULTIMATE.start_main_~i~4 4), 1154#(<= ULTIMATE.start_main_~i~4 6), 1155#(<= ULTIMATE.start_main_~i~4 8), 1156#(<= ULTIMATE.start_main_~i~4 10), 1157#(<= ULTIMATE.start_main_~i~4 12), 1158#(<= ULTIMATE.start_main_~i~4 14), 1159#(<= ULTIMATE.start_main_~i~4 16), 1160#(<= ULTIMATE.start_main_~i~4 18), 1161#(<= ULTIMATE.start_main_~i~4 20), 1162#(<= ULTIMATE.start_main_~i~4 22), 1163#(<= ULTIMATE.start_main_~i~4 24), 1164#(<= ULTIMATE.start_main_~i~4 26), 1165#(<= ULTIMATE.start_main_~i~4 28), 1166#(<= ULTIMATE.start_main_~i~4 30), 1167#(<= ULTIMATE.start_main_~i~4 32), 1168#(<= ULTIMATE.start_main_~i~4 34), 1149#true, 1150#false, 1151#(<= ULTIMATE.start_main_~i~4 0)] [2018-07-23 13:37:30,734 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 13:37:30,734 INFO L450 AbstractCegarLoop]: Interpolant automaton has 20 states [2018-07-23 13:37:30,735 INFO L132 InterpolantAutomaton]: Constructing interpolant automaton starting with 20 interpolants. [2018-07-23 13:37:30,735 INFO L133 InterpolantAutomaton]: CoverageRelationStatistics Valid=190, Invalid=190, Unknown=0, NotChecked=0, Total=380 [2018-07-23 13:37:30,736 INFO L87 Difference]: Start difference. First operand 21 states and 21 transitions. Second operand 20 states. [2018-07-23 13:37:30,761 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2018-07-23 13:37:30,761 INFO L93 Difference]: Finished difference Result 24 states and 24 transitions. [2018-07-23 13:37:30,761 INFO L142 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 20 states. [2018-07-23 13:37:30,762 INFO L78 Accepts]: Start accepts. Automaton has 20 states. Word has length 20 [2018-07-23 13:37:30,762 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2018-07-23 13:37:30,762 INFO L225 Difference]: With dead ends: 24 [2018-07-23 13:37:30,763 INFO L226 Difference]: Without dead ends: 22 [2018-07-23 13:37:30,766 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 13:37:30,767 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 22 states. [2018-07-23 13:37:30,773 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 22 to 22. [2018-07-23 13:37:30,774 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 22 states. [2018-07-23 13:37:30,774 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 22 states to 22 states and 22 transitions. [2018-07-23 13:37:30,774 INFO L78 Accepts]: Start accepts. Automaton has 22 states and 22 transitions. Word has length 20 [2018-07-23 13:37:30,775 INFO L84 Accepts]: Finished accepts. word is rejected. [2018-07-23 13:37:30,775 INFO L471 AbstractCegarLoop]: Abstraction has 22 states and 22 transitions. [2018-07-23 13:37:30,775 INFO L472 AbstractCegarLoop]: Interpolant automaton has 20 states. [2018-07-23 13:37:30,775 INFO L276 IsEmpty]: Start isEmpty. Operand 22 states and 22 transitions. [2018-07-23 13:37:30,776 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 22 [2018-07-23 13:37:30,776 INFO L349 BasicCegarLoop]: Found error trace [2018-07-23 13:37:30,776 INFO L357 BasicCegarLoop]: trace histogram [18, 1, 1, 1] [2018-07-23 13:37:30,781 INFO L414 AbstractCegarLoop]: === Iteration 19 === [ULTIMATE.startErr0AssertViolationASSERT]=== [2018-07-23 13:37:30,781 INFO L82 PathProgramCache]: Analyzing trace with hash -2002831071, now seen corresponding path program 18 times [2018-07-23 13:37:30,782 INFO L69 tionRefinementEngine]: Using refinement strategy FixedRefinementStrategy [2018-07-23 13:37:30,789 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-07-23 13:37:30,865 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 13:37:30,865 INFO L309 seRefinementStrategy]: Constructing automaton from 0 perfect and 1 imperfect interpolant sequences. [2018-07-23 13:37:30,867 INFO L324 seRefinementStrategy]: Number of different interpolants: perfect sequences [] imperfect sequences [20] total 20 [2018-07-23 13:37:30,867 INFO L142 lantAutomatonBuilder]: Constructing canonical interpolant automaton, with selfloop in false state [2018-07-23 13:37:30,867 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2018-07-23 13:37:30,868 INFO L185 omatonBuilderFactory]: Interpolants [1280#(<= ULTIMATE.start_main_~i~4 34), 1281#(<= ULTIMATE.start_main_~i~4 36), 1261#true, 1262#false, 1263#(<= ULTIMATE.start_main_~i~4 0), 1264#(<= ULTIMATE.start_main_~i~4 2), 1265#(<= ULTIMATE.start_main_~i~4 4), 1266#(<= ULTIMATE.start_main_~i~4 6), 1267#(<= ULTIMATE.start_main_~i~4 8), 1268#(<= ULTIMATE.start_main_~i~4 10), 1269#(<= ULTIMATE.start_main_~i~4 12), 1270#(<= ULTIMATE.start_main_~i~4 14), 1271#(<= ULTIMATE.start_main_~i~4 16), 1272#(<= ULTIMATE.start_main_~i~4 18), 1273#(<= ULTIMATE.start_main_~i~4 20), 1274#(<= ULTIMATE.start_main_~i~4 22), 1275#(<= ULTIMATE.start_main_~i~4 24), 1276#(<= ULTIMATE.start_main_~i~4 26), 1277#(<= ULTIMATE.start_main_~i~4 28), 1278#(<= ULTIMATE.start_main_~i~4 30), 1279#(<= ULTIMATE.start_main_~i~4 32)] [2018-07-23 13:37:30,868 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 13:37:30,869 INFO L450 AbstractCegarLoop]: Interpolant automaton has 21 states [2018-07-23 13:37:30,869 INFO L132 InterpolantAutomaton]: Constructing interpolant automaton starting with 21 interpolants. [2018-07-23 13:37:30,869 INFO L133 InterpolantAutomaton]: CoverageRelationStatistics Valid=210, Invalid=210, Unknown=0, NotChecked=0, Total=420 [2018-07-23 13:37:30,870 INFO L87 Difference]: Start difference. First operand 22 states and 22 transitions. Second operand 21 states. [2018-07-23 13:37:30,884 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2018-07-23 13:37:30,885 INFO L93 Difference]: Finished difference Result 25 states and 25 transitions. [2018-07-23 13:37:30,885 INFO L142 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 21 states. [2018-07-23 13:37:30,885 INFO L78 Accepts]: Start accepts. Automaton has 21 states. Word has length 21 [2018-07-23 13:37:30,886 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2018-07-23 13:37:30,886 INFO L225 Difference]: With dead ends: 25 [2018-07-23 13:37:30,890 INFO L226 Difference]: Without dead ends: 23 [2018-07-23 13:37:30,891 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 13:37:30,891 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 23 states. [2018-07-23 13:37:30,898 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 23 to 23. [2018-07-23 13:37:30,898 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 23 states. [2018-07-23 13:37:30,899 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 23 states to 23 states and 23 transitions. [2018-07-23 13:37:30,901 INFO L78 Accepts]: Start accepts. Automaton has 23 states and 23 transitions. Word has length 21 [2018-07-23 13:37:30,901 INFO L84 Accepts]: Finished accepts. word is rejected. [2018-07-23 13:37:30,901 INFO L471 AbstractCegarLoop]: Abstraction has 23 states and 23 transitions. [2018-07-23 13:37:30,902 INFO L472 AbstractCegarLoop]: Interpolant automaton has 21 states. [2018-07-23 13:37:30,902 INFO L276 IsEmpty]: Start isEmpty. Operand 23 states and 23 transitions. [2018-07-23 13:37:30,902 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 23 [2018-07-23 13:37:30,902 INFO L349 BasicCegarLoop]: Found error trace [2018-07-23 13:37:30,903 INFO L357 BasicCegarLoop]: trace histogram [19, 1, 1, 1] [2018-07-23 13:37:30,903 INFO L414 AbstractCegarLoop]: === Iteration 20 === [ULTIMATE.startErr0AssertViolationASSERT]=== [2018-07-23 13:37:30,903 INFO L82 PathProgramCache]: Analyzing trace with hash -1958223032, now seen corresponding path program 19 times [2018-07-23 13:37:30,903 INFO L69 tionRefinementEngine]: Using refinement strategy FixedRefinementStrategy [2018-07-23 13:37:30,911 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-07-23 13:37:30,979 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 13:37:30,980 INFO L309 seRefinementStrategy]: Constructing automaton from 0 perfect and 1 imperfect interpolant sequences. [2018-07-23 13:37:30,980 INFO L324 seRefinementStrategy]: Number of different interpolants: perfect sequences [] imperfect sequences [21] total 21 [2018-07-23 13:37:30,989 INFO L142 lantAutomatonBuilder]: Constructing canonical interpolant automaton, with selfloop in false state [2018-07-23 13:37:30,989 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2018-07-23 13:37:30,990 INFO L185 omatonBuilderFactory]: Interpolants [1378#true, 1379#false, 1380#(<= ULTIMATE.start_main_~i~4 0), 1381#(<= ULTIMATE.start_main_~i~4 2), 1382#(<= ULTIMATE.start_main_~i~4 4), 1383#(<= ULTIMATE.start_main_~i~4 6), 1384#(<= ULTIMATE.start_main_~i~4 8), 1385#(<= ULTIMATE.start_main_~i~4 10), 1386#(<= ULTIMATE.start_main_~i~4 12), 1387#(<= ULTIMATE.start_main_~i~4 14), 1388#(<= ULTIMATE.start_main_~i~4 16), 1389#(<= ULTIMATE.start_main_~i~4 18), 1390#(<= ULTIMATE.start_main_~i~4 20), 1391#(<= ULTIMATE.start_main_~i~4 22), 1392#(<= ULTIMATE.start_main_~i~4 24), 1393#(<= ULTIMATE.start_main_~i~4 26), 1394#(<= ULTIMATE.start_main_~i~4 28), 1395#(<= ULTIMATE.start_main_~i~4 30), 1396#(<= ULTIMATE.start_main_~i~4 32), 1397#(<= ULTIMATE.start_main_~i~4 34), 1398#(<= ULTIMATE.start_main_~i~4 36), 1399#(<= ULTIMATE.start_main_~i~4 38)] [2018-07-23 13:37:30,990 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 13:37:30,990 INFO L450 AbstractCegarLoop]: Interpolant automaton has 22 states [2018-07-23 13:37:30,991 INFO L132 InterpolantAutomaton]: Constructing interpolant automaton starting with 22 interpolants. [2018-07-23 13:37:30,991 INFO L133 InterpolantAutomaton]: CoverageRelationStatistics Valid=231, Invalid=231, Unknown=0, NotChecked=0, Total=462 [2018-07-23 13:37:30,993 INFO L87 Difference]: Start difference. First operand 23 states and 23 transitions. Second operand 22 states. [2018-07-23 13:37:31,017 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2018-07-23 13:37:31,018 INFO L93 Difference]: Finished difference Result 26 states and 26 transitions. [2018-07-23 13:37:31,018 INFO L142 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 22 states. [2018-07-23 13:37:31,018 INFO L78 Accepts]: Start accepts. Automaton has 22 states. Word has length 22 [2018-07-23 13:37:31,019 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2018-07-23 13:37:31,019 INFO L225 Difference]: With dead ends: 26 [2018-07-23 13:37:31,019 INFO L226 Difference]: Without dead ends: 24 [2018-07-23 13:37:31,020 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 13:37:31,020 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 24 states. [2018-07-23 13:37:31,027 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 24 to 24. [2018-07-23 13:37:31,027 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 24 states. [2018-07-23 13:37:31,027 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 24 states to 24 states and 24 transitions. [2018-07-23 13:37:31,028 INFO L78 Accepts]: Start accepts. Automaton has 24 states and 24 transitions. Word has length 22 [2018-07-23 13:37:31,028 INFO L84 Accepts]: Finished accepts. word is rejected. [2018-07-23 13:37:31,028 INFO L471 AbstractCegarLoop]: Abstraction has 24 states and 24 transitions. [2018-07-23 13:37:31,030 INFO L472 AbstractCegarLoop]: Interpolant automaton has 22 states. [2018-07-23 13:37:31,030 INFO L276 IsEmpty]: Start isEmpty. Operand 24 states and 24 transitions. [2018-07-23 13:37:31,030 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 24 [2018-07-23 13:37:31,031 INFO L349 BasicCegarLoop]: Found error trace [2018-07-23 13:37:31,031 INFO L357 BasicCegarLoop]: trace histogram [20, 1, 1, 1] [2018-07-23 13:37:31,031 INFO L414 AbstractCegarLoop]: === Iteration 21 === [ULTIMATE.startErr0AssertViolationASSERT]=== [2018-07-23 13:37:31,033 INFO L82 PathProgramCache]: Analyzing trace with hash -575373823, now seen corresponding path program 20 times [2018-07-23 13:37:31,033 INFO L69 tionRefinementEngine]: Using refinement strategy FixedRefinementStrategy [2018-07-23 13:37:31,041 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-07-23 13:37:31,122 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 13:37:31,122 INFO L309 seRefinementStrategy]: Constructing automaton from 0 perfect and 1 imperfect interpolant sequences. [2018-07-23 13:37:31,123 INFO L324 seRefinementStrategy]: Number of different interpolants: perfect sequences [] imperfect sequences [22] total 22 [2018-07-23 13:37:31,123 INFO L142 lantAutomatonBuilder]: Constructing canonical interpolant automaton, with selfloop in false state [2018-07-23 13:37:31,123 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 13:37:31,124 INFO L185 omatonBuilderFactory]: Interpolants [1504#(<= ULTIMATE.start_main_~i~4 4), 1505#(<= ULTIMATE.start_main_~i~4 6), 1506#(<= ULTIMATE.start_main_~i~4 8), 1507#(<= ULTIMATE.start_main_~i~4 10), 1508#(<= ULTIMATE.start_main_~i~4 12), 1509#(<= ULTIMATE.start_main_~i~4 14), 1510#(<= ULTIMATE.start_main_~i~4 16), 1511#(<= ULTIMATE.start_main_~i~4 18), 1512#(<= ULTIMATE.start_main_~i~4 20), 1513#(<= ULTIMATE.start_main_~i~4 22), 1514#(<= ULTIMATE.start_main_~i~4 24), 1515#(<= ULTIMATE.start_main_~i~4 26), 1516#(<= ULTIMATE.start_main_~i~4 28), 1517#(<= ULTIMATE.start_main_~i~4 30), 1518#(<= ULTIMATE.start_main_~i~4 32), 1519#(<= ULTIMATE.start_main_~i~4 34), 1520#(<= ULTIMATE.start_main_~i~4 36), 1521#(<= ULTIMATE.start_main_~i~4 38), 1522#(<= ULTIMATE.start_main_~i~4 40), 1500#true, 1501#false, 1502#(<= ULTIMATE.start_main_~i~4 0), 1503#(<= ULTIMATE.start_main_~i~4 2)] [2018-07-23 13:37:31,124 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 13:37:31,126 INFO L450 AbstractCegarLoop]: Interpolant automaton has 23 states [2018-07-23 13:37:31,127 INFO L132 InterpolantAutomaton]: Constructing interpolant automaton starting with 23 interpolants. [2018-07-23 13:37:31,128 INFO L133 InterpolantAutomaton]: CoverageRelationStatistics Valid=253, Invalid=253, Unknown=0, NotChecked=0, Total=506 [2018-07-23 13:37:31,128 INFO L87 Difference]: Start difference. First operand 24 states and 24 transitions. Second operand 23 states. [2018-07-23 13:37:31,146 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2018-07-23 13:37:31,146 INFO L93 Difference]: Finished difference Result 27 states and 27 transitions. [2018-07-23 13:37:31,147 INFO L142 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 23 states. [2018-07-23 13:37:31,147 INFO L78 Accepts]: Start accepts. Automaton has 23 states. Word has length 23 [2018-07-23 13:37:31,147 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2018-07-23 13:37:31,148 INFO L225 Difference]: With dead ends: 27 [2018-07-23 13:37:31,148 INFO L226 Difference]: Without dead ends: 25 [2018-07-23 13:37:31,148 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 13:37:31,149 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 25 states. [2018-07-23 13:37:31,153 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 25 to 25. [2018-07-23 13:37:31,154 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 25 states. [2018-07-23 13:37:31,154 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 25 states to 25 states and 25 transitions. [2018-07-23 13:37:31,154 INFO L78 Accepts]: Start accepts. Automaton has 25 states and 25 transitions. Word has length 23 [2018-07-23 13:37:31,154 INFO L84 Accepts]: Finished accepts. word is rejected. [2018-07-23 13:37:31,155 INFO L471 AbstractCegarLoop]: Abstraction has 25 states and 25 transitions. [2018-07-23 13:37:31,155 INFO L472 AbstractCegarLoop]: Interpolant automaton has 23 states. [2018-07-23 13:37:31,155 INFO L276 IsEmpty]: Start isEmpty. Operand 25 states and 25 transitions. [2018-07-23 13:37:31,155 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 25 [2018-07-23 13:37:31,156 INFO L349 BasicCegarLoop]: Found error trace [2018-07-23 13:37:31,156 INFO L357 BasicCegarLoop]: trace histogram [21, 1, 1, 1] [2018-07-23 13:37:31,156 INFO L414 AbstractCegarLoop]: === Iteration 22 === [ULTIMATE.startErr0AssertViolationASSERT]=== [2018-07-23 13:37:31,156 INFO L82 PathProgramCache]: Analyzing trace with hash -656721304, now seen corresponding path program 21 times [2018-07-23 13:37:31,156 INFO L69 tionRefinementEngine]: Using refinement strategy FixedRefinementStrategy [2018-07-23 13:37:31,162 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-07-23 13:37:31,242 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 13:37:31,243 INFO L309 seRefinementStrategy]: Constructing automaton from 0 perfect and 1 imperfect interpolant sequences. [2018-07-23 13:37:31,243 INFO L324 seRefinementStrategy]: Number of different interpolants: perfect sequences [] imperfect sequences [23] total 23 [2018-07-23 13:37:31,243 INFO L142 lantAutomatonBuilder]: Constructing canonical interpolant automaton, with selfloop in false state [2018-07-23 13:37:31,244 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2018-07-23 13:37:31,244 INFO L185 omatonBuilderFactory]: Interpolants [1632#(<= ULTIMATE.start_main_~i~4 6), 1633#(<= ULTIMATE.start_main_~i~4 8), 1634#(<= ULTIMATE.start_main_~i~4 10), 1635#(<= ULTIMATE.start_main_~i~4 12), 1636#(<= ULTIMATE.start_main_~i~4 14), 1637#(<= ULTIMATE.start_main_~i~4 16), 1638#(<= ULTIMATE.start_main_~i~4 18), 1639#(<= ULTIMATE.start_main_~i~4 20), 1640#(<= ULTIMATE.start_main_~i~4 22), 1641#(<= ULTIMATE.start_main_~i~4 24), 1642#(<= ULTIMATE.start_main_~i~4 26), 1643#(<= ULTIMATE.start_main_~i~4 28), 1644#(<= ULTIMATE.start_main_~i~4 30), 1645#(<= ULTIMATE.start_main_~i~4 32), 1646#(<= ULTIMATE.start_main_~i~4 34), 1647#(<= ULTIMATE.start_main_~i~4 36), 1648#(<= ULTIMATE.start_main_~i~4 38), 1649#(<= ULTIMATE.start_main_~i~4 40), 1650#(<= ULTIMATE.start_main_~i~4 42), 1627#true, 1628#false, 1629#(<= ULTIMATE.start_main_~i~4 0), 1630#(<= ULTIMATE.start_main_~i~4 2), 1631#(<= ULTIMATE.start_main_~i~4 4)] [2018-07-23 13:37:31,245 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 13:37:31,245 INFO L450 AbstractCegarLoop]: Interpolant automaton has 24 states [2018-07-23 13:37:31,247 INFO L132 InterpolantAutomaton]: Constructing interpolant automaton starting with 24 interpolants. [2018-07-23 13:37:31,247 INFO L133 InterpolantAutomaton]: CoverageRelationStatistics Valid=276, Invalid=276, Unknown=0, NotChecked=0, Total=552 [2018-07-23 13:37:31,248 INFO L87 Difference]: Start difference. First operand 25 states and 25 transitions. Second operand 24 states. [2018-07-23 13:37:31,270 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2018-07-23 13:37:31,273 INFO L93 Difference]: Finished difference Result 28 states and 28 transitions. [2018-07-23 13:37:31,273 INFO L142 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 24 states. [2018-07-23 13:37:31,275 INFO L78 Accepts]: Start accepts. Automaton has 24 states. Word has length 24 [2018-07-23 13:37:31,275 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2018-07-23 13:37:31,277 INFO L225 Difference]: With dead ends: 28 [2018-07-23 13:37:31,277 INFO L226 Difference]: Without dead ends: 26 [2018-07-23 13:37:31,278 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 13:37:31,278 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 26 states. [2018-07-23 13:37:31,280 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 26 to 26. [2018-07-23 13:37:31,281 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 26 states. [2018-07-23 13:37:31,281 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 26 states to 26 states and 26 transitions. [2018-07-23 13:37:31,283 INFO L78 Accepts]: Start accepts. Automaton has 26 states and 26 transitions. Word has length 24 [2018-07-23 13:37:31,283 INFO L84 Accepts]: Finished accepts. word is rejected. [2018-07-23 13:37:31,283 INFO L471 AbstractCegarLoop]: Abstraction has 26 states and 26 transitions. [2018-07-23 13:37:31,283 INFO L472 AbstractCegarLoop]: Interpolant automaton has 24 states. [2018-07-23 13:37:31,284 INFO L276 IsEmpty]: Start isEmpty. Operand 26 states and 26 transitions. [2018-07-23 13:37:31,284 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 26 [2018-07-23 13:37:31,285 INFO L349 BasicCegarLoop]: Found error trace [2018-07-23 13:37:31,285 INFO L357 BasicCegarLoop]: trace histogram [22, 1, 1, 1] [2018-07-23 13:37:31,285 INFO L414 AbstractCegarLoop]: === Iteration 23 === [ULTIMATE.startErr0AssertViolationASSERT]=== [2018-07-23 13:37:31,286 INFO L82 PathProgramCache]: Analyzing trace with hash 1116474081, now seen corresponding path program 22 times [2018-07-23 13:37:31,286 INFO L69 tionRefinementEngine]: Using refinement strategy FixedRefinementStrategy [2018-07-23 13:37:31,297 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-07-23 13:37:31,390 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 13:37:31,391 INFO L309 seRefinementStrategy]: Constructing automaton from 0 perfect and 1 imperfect interpolant sequences. [2018-07-23 13:37:31,391 INFO L324 seRefinementStrategy]: Number of different interpolants: perfect sequences [] imperfect sequences [24] total 24 [2018-07-23 13:37:31,391 INFO L142 lantAutomatonBuilder]: Constructing canonical interpolant automaton, with selfloop in false state [2018-07-23 13:37:31,391 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2018-07-23 13:37:31,392 INFO L185 omatonBuilderFactory]: Interpolants [1759#true, 1760#false, 1761#(<= ULTIMATE.start_main_~i~4 0), 1762#(<= ULTIMATE.start_main_~i~4 2), 1763#(<= ULTIMATE.start_main_~i~4 4), 1764#(<= ULTIMATE.start_main_~i~4 6), 1765#(<= ULTIMATE.start_main_~i~4 8), 1766#(<= ULTIMATE.start_main_~i~4 10), 1767#(<= ULTIMATE.start_main_~i~4 12), 1768#(<= ULTIMATE.start_main_~i~4 14), 1769#(<= ULTIMATE.start_main_~i~4 16), 1770#(<= ULTIMATE.start_main_~i~4 18), 1771#(<= ULTIMATE.start_main_~i~4 20), 1772#(<= ULTIMATE.start_main_~i~4 22), 1773#(<= ULTIMATE.start_main_~i~4 24), 1774#(<= ULTIMATE.start_main_~i~4 26), 1775#(<= ULTIMATE.start_main_~i~4 28), 1776#(<= ULTIMATE.start_main_~i~4 30), 1777#(<= ULTIMATE.start_main_~i~4 32), 1778#(<= ULTIMATE.start_main_~i~4 34), 1779#(<= ULTIMATE.start_main_~i~4 36), 1780#(<= ULTIMATE.start_main_~i~4 38), 1781#(<= ULTIMATE.start_main_~i~4 40), 1782#(<= ULTIMATE.start_main_~i~4 42), 1783#(<= ULTIMATE.start_main_~i~4 44)] [2018-07-23 13:37:31,393 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 13:37:31,393 INFO L450 AbstractCegarLoop]: Interpolant automaton has 25 states [2018-07-23 13:37:31,393 INFO L132 InterpolantAutomaton]: Constructing interpolant automaton starting with 25 interpolants. [2018-07-23 13:37:31,394 INFO L133 InterpolantAutomaton]: CoverageRelationStatistics Valid=300, Invalid=300, Unknown=0, NotChecked=0, Total=600 [2018-07-23 13:37:31,394 INFO L87 Difference]: Start difference. First operand 26 states and 26 transitions. Second operand 25 states. [2018-07-23 13:37:31,419 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2018-07-23 13:37:31,419 INFO L93 Difference]: Finished difference Result 29 states and 29 transitions. [2018-07-23 13:37:31,419 INFO L142 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 25 states. [2018-07-23 13:37:31,420 INFO L78 Accepts]: Start accepts. Automaton has 25 states. Word has length 25 [2018-07-23 13:37:31,420 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2018-07-23 13:37:31,420 INFO L225 Difference]: With dead ends: 29 [2018-07-23 13:37:31,421 INFO L226 Difference]: Without dead ends: 27 [2018-07-23 13:37:31,422 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 13:37:31,422 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 27 states. [2018-07-23 13:37:31,426 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 27 to 27. [2018-07-23 13:37:31,426 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 27 states. [2018-07-23 13:37:31,427 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 27 states to 27 states and 27 transitions. [2018-07-23 13:37:31,427 INFO L78 Accepts]: Start accepts. Automaton has 27 states and 27 transitions. Word has length 25 [2018-07-23 13:37:31,427 INFO L84 Accepts]: Finished accepts. word is rejected. [2018-07-23 13:37:31,428 INFO L471 AbstractCegarLoop]: Abstraction has 27 states and 27 transitions. [2018-07-23 13:37:31,430 INFO L472 AbstractCegarLoop]: Interpolant automaton has 25 states. [2018-07-23 13:37:31,430 INFO L276 IsEmpty]: Start isEmpty. Operand 27 states and 27 transitions. [2018-07-23 13:37:31,430 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 27 [2018-07-23 13:37:31,430 INFO L349 BasicCegarLoop]: Found error trace [2018-07-23 13:37:31,431 INFO L357 BasicCegarLoop]: trace histogram [23, 1, 1, 1] [2018-07-23 13:37:31,431 INFO L414 AbstractCegarLoop]: === Iteration 24 === [ULTIMATE.startErr0AssertViolationASSERT]=== [2018-07-23 13:37:31,431 INFO L82 PathProgramCache]: Analyzing trace with hash 250956168, now seen corresponding path program 23 times [2018-07-23 13:37:31,432 INFO L69 tionRefinementEngine]: Using refinement strategy FixedRefinementStrategy [2018-07-23 13:37:31,440 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-07-23 13:37:31,525 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 13:37:31,525 INFO L309 seRefinementStrategy]: Constructing automaton from 0 perfect and 1 imperfect interpolant sequences. [2018-07-23 13:37:31,526 INFO L324 seRefinementStrategy]: Number of different interpolants: perfect sequences [] imperfect sequences [25] total 25 [2018-07-23 13:37:31,526 INFO L142 lantAutomatonBuilder]: Constructing canonical interpolant automaton, with selfloop in false state [2018-07-23 13:37:31,526 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 13:37:31,527 INFO L185 omatonBuilderFactory]: Interpolants [1920#(<= ULTIMATE.start_main_~i~4 44), 1921#(<= ULTIMATE.start_main_~i~4 46), 1896#true, 1897#false, 1898#(<= ULTIMATE.start_main_~i~4 0), 1899#(<= ULTIMATE.start_main_~i~4 2), 1900#(<= ULTIMATE.start_main_~i~4 4), 1901#(<= ULTIMATE.start_main_~i~4 6), 1902#(<= ULTIMATE.start_main_~i~4 8), 1903#(<= ULTIMATE.start_main_~i~4 10), 1904#(<= ULTIMATE.start_main_~i~4 12), 1905#(<= ULTIMATE.start_main_~i~4 14), 1906#(<= ULTIMATE.start_main_~i~4 16), 1907#(<= ULTIMATE.start_main_~i~4 18), 1908#(<= ULTIMATE.start_main_~i~4 20), 1909#(<= ULTIMATE.start_main_~i~4 22), 1910#(<= ULTIMATE.start_main_~i~4 24), 1911#(<= ULTIMATE.start_main_~i~4 26), 1912#(<= ULTIMATE.start_main_~i~4 28), 1913#(<= ULTIMATE.start_main_~i~4 30), 1914#(<= ULTIMATE.start_main_~i~4 32), 1915#(<= ULTIMATE.start_main_~i~4 34), 1916#(<= ULTIMATE.start_main_~i~4 36), 1917#(<= ULTIMATE.start_main_~i~4 38), 1918#(<= ULTIMATE.start_main_~i~4 40), 1919#(<= ULTIMATE.start_main_~i~4 42)] [2018-07-23 13:37:31,527 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 13:37:31,530 INFO L450 AbstractCegarLoop]: Interpolant automaton has 26 states [2018-07-23 13:37:31,531 INFO L132 InterpolantAutomaton]: Constructing interpolant automaton starting with 26 interpolants. [2018-07-23 13:37:31,531 INFO L133 InterpolantAutomaton]: CoverageRelationStatistics Valid=325, Invalid=325, Unknown=0, NotChecked=0, Total=650 [2018-07-23 13:37:31,532 INFO L87 Difference]: Start difference. First operand 27 states and 27 transitions. Second operand 26 states. [2018-07-23 13:37:31,548 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2018-07-23 13:37:31,549 INFO L93 Difference]: Finished difference Result 30 states and 30 transitions. [2018-07-23 13:37:31,549 INFO L142 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 26 states. [2018-07-23 13:37:31,549 INFO L78 Accepts]: Start accepts. Automaton has 26 states. Word has length 26 [2018-07-23 13:37:31,549 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2018-07-23 13:37:31,550 INFO L225 Difference]: With dead ends: 30 [2018-07-23 13:37:31,550 INFO L226 Difference]: Without dead ends: 28 [2018-07-23 13:37:31,551 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 13:37:31,551 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 28 states. [2018-07-23 13:37:31,555 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 28 to 28. [2018-07-23 13:37:31,556 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 28 states. [2018-07-23 13:37:31,556 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 28 states to 28 states and 28 transitions. [2018-07-23 13:37:31,557 INFO L78 Accepts]: Start accepts. Automaton has 28 states and 28 transitions. Word has length 26 [2018-07-23 13:37:31,558 INFO L84 Accepts]: Finished accepts. word is rejected. [2018-07-23 13:37:31,558 INFO L471 AbstractCegarLoop]: Abstraction has 28 states and 28 transitions. [2018-07-23 13:37:31,558 INFO L472 AbstractCegarLoop]: Interpolant automaton has 26 states. [2018-07-23 13:37:31,558 INFO L276 IsEmpty]: Start isEmpty. Operand 28 states and 28 transitions. [2018-07-23 13:37:31,558 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 28 [2018-07-23 13:37:31,559 INFO L349 BasicCegarLoop]: Found error trace [2018-07-23 13:37:31,559 INFO L357 BasicCegarLoop]: trace histogram [24, 1, 1, 1] [2018-07-23 13:37:31,559 INFO L414 AbstractCegarLoop]: === Iteration 25 === [ULTIMATE.startErr0AssertViolationASSERT]=== [2018-07-23 13:37:31,559 INFO L82 PathProgramCache]: Analyzing trace with hash -810295359, now seen corresponding path program 24 times [2018-07-23 13:37:31,561 INFO L69 tionRefinementEngine]: Using refinement strategy FixedRefinementStrategy [2018-07-23 13:37:31,570 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-07-23 13:37:31,662 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 13:37:31,662 INFO L309 seRefinementStrategy]: Constructing automaton from 0 perfect and 1 imperfect interpolant sequences. [2018-07-23 13:37:31,662 INFO L324 seRefinementStrategy]: Number of different interpolants: perfect sequences [] imperfect sequences [26] total 26 [2018-07-23 13:37:31,662 INFO L142 lantAutomatonBuilder]: Constructing canonical interpolant automaton, with selfloop in false state [2018-07-23 13:37:31,663 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2018-07-23 13:37:31,665 INFO L185 omatonBuilderFactory]: Interpolants [2048#(<= ULTIMATE.start_main_~i~4 16), 2049#(<= ULTIMATE.start_main_~i~4 18), 2050#(<= ULTIMATE.start_main_~i~4 20), 2051#(<= ULTIMATE.start_main_~i~4 22), 2052#(<= ULTIMATE.start_main_~i~4 24), 2053#(<= ULTIMATE.start_main_~i~4 26), 2054#(<= ULTIMATE.start_main_~i~4 28), 2055#(<= ULTIMATE.start_main_~i~4 30), 2056#(<= ULTIMATE.start_main_~i~4 32), 2057#(<= ULTIMATE.start_main_~i~4 34), 2058#(<= ULTIMATE.start_main_~i~4 36), 2059#(<= ULTIMATE.start_main_~i~4 38), 2060#(<= ULTIMATE.start_main_~i~4 40), 2061#(<= ULTIMATE.start_main_~i~4 42), 2062#(<= ULTIMATE.start_main_~i~4 44), 2063#(<= ULTIMATE.start_main_~i~4 46), 2064#(<= ULTIMATE.start_main_~i~4 48), 2038#true, 2039#false, 2040#(<= ULTIMATE.start_main_~i~4 0), 2041#(<= ULTIMATE.start_main_~i~4 2), 2042#(<= ULTIMATE.start_main_~i~4 4), 2043#(<= ULTIMATE.start_main_~i~4 6), 2044#(<= ULTIMATE.start_main_~i~4 8), 2045#(<= ULTIMATE.start_main_~i~4 10), 2046#(<= ULTIMATE.start_main_~i~4 12), 2047#(<= ULTIMATE.start_main_~i~4 14)] [2018-07-23 13:37:31,665 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 13:37:31,665 INFO L450 AbstractCegarLoop]: Interpolant automaton has 27 states [2018-07-23 13:37:31,666 INFO L132 InterpolantAutomaton]: Constructing interpolant automaton starting with 27 interpolants. [2018-07-23 13:37:31,666 INFO L133 InterpolantAutomaton]: CoverageRelationStatistics Valid=351, Invalid=351, Unknown=0, NotChecked=0, Total=702 [2018-07-23 13:37:31,667 INFO L87 Difference]: Start difference. First operand 28 states and 28 transitions. Second operand 27 states. [2018-07-23 13:37:31,684 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2018-07-23 13:37:31,684 INFO L93 Difference]: Finished difference Result 31 states and 31 transitions. [2018-07-23 13:37:31,684 INFO L142 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 27 states. [2018-07-23 13:37:31,685 INFO L78 Accepts]: Start accepts. Automaton has 27 states. Word has length 27 [2018-07-23 13:37:31,685 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2018-07-23 13:37:31,686 INFO L225 Difference]: With dead ends: 31 [2018-07-23 13:37:31,686 INFO L226 Difference]: Without dead ends: 29 [2018-07-23 13:37:31,687 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 13:37:31,687 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 29 states. [2018-07-23 13:37:31,691 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 29 to 29. [2018-07-23 13:37:31,691 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 29 states. [2018-07-23 13:37:31,692 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 29 states to 29 states and 29 transitions. [2018-07-23 13:37:31,692 INFO L78 Accepts]: Start accepts. Automaton has 29 states and 29 transitions. Word has length 27 [2018-07-23 13:37:31,692 INFO L84 Accepts]: Finished accepts. word is rejected. [2018-07-23 13:37:31,692 INFO L471 AbstractCegarLoop]: Abstraction has 29 states and 29 transitions. [2018-07-23 13:37:31,692 INFO L472 AbstractCegarLoop]: Interpolant automaton has 27 states. [2018-07-23 13:37:31,693 INFO L276 IsEmpty]: Start isEmpty. Operand 29 states and 29 transitions. [2018-07-23 13:37:31,693 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 29 [2018-07-23 13:37:31,693 INFO L349 BasicCegarLoop]: Found error trace [2018-07-23 13:37:31,693 INFO L357 BasicCegarLoop]: trace histogram [25, 1, 1, 1] [2018-07-23 13:37:31,694 INFO L414 AbstractCegarLoop]: === Iteration 26 === [ULTIMATE.startErr0AssertViolationASSERT]=== [2018-07-23 13:37:31,694 INFO L82 PathProgramCache]: Analyzing trace with hash 650645672, now seen corresponding path program 25 times [2018-07-23 13:37:31,694 INFO L69 tionRefinementEngine]: Using refinement strategy FixedRefinementStrategy [2018-07-23 13:37:31,708 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-07-23 13:37:31,814 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 13:37:31,814 INFO L309 seRefinementStrategy]: Constructing automaton from 0 perfect and 1 imperfect interpolant sequences. [2018-07-23 13:37:31,815 INFO L324 seRefinementStrategy]: Number of different interpolants: perfect sequences [] imperfect sequences [27] total 27 [2018-07-23 13:37:31,815 INFO L142 lantAutomatonBuilder]: Constructing canonical interpolant automaton, with selfloop in false state [2018-07-23 13:37:31,815 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2018-07-23 13:37:31,816 INFO L185 omatonBuilderFactory]: Interpolants [2185#true, 2186#false, 2187#(<= ULTIMATE.start_main_~i~4 0), 2188#(<= ULTIMATE.start_main_~i~4 2), 2189#(<= ULTIMATE.start_main_~i~4 4), 2190#(<= ULTIMATE.start_main_~i~4 6), 2191#(<= ULTIMATE.start_main_~i~4 8), 2192#(<= ULTIMATE.start_main_~i~4 10), 2193#(<= ULTIMATE.start_main_~i~4 12), 2194#(<= ULTIMATE.start_main_~i~4 14), 2195#(<= ULTIMATE.start_main_~i~4 16), 2196#(<= ULTIMATE.start_main_~i~4 18), 2197#(<= ULTIMATE.start_main_~i~4 20), 2198#(<= ULTIMATE.start_main_~i~4 22), 2199#(<= ULTIMATE.start_main_~i~4 24), 2200#(<= ULTIMATE.start_main_~i~4 26), 2201#(<= ULTIMATE.start_main_~i~4 28), 2202#(<= ULTIMATE.start_main_~i~4 30), 2203#(<= ULTIMATE.start_main_~i~4 32), 2204#(<= ULTIMATE.start_main_~i~4 34), 2205#(<= ULTIMATE.start_main_~i~4 36), 2206#(<= ULTIMATE.start_main_~i~4 38), 2207#(<= ULTIMATE.start_main_~i~4 40), 2208#(<= ULTIMATE.start_main_~i~4 42), 2209#(<= ULTIMATE.start_main_~i~4 44), 2210#(<= ULTIMATE.start_main_~i~4 46), 2211#(<= ULTIMATE.start_main_~i~4 48), 2212#(<= ULTIMATE.start_main_~i~4 50)] [2018-07-23 13:37:31,816 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 13:37:31,818 INFO L450 AbstractCegarLoop]: Interpolant automaton has 28 states [2018-07-23 13:37:31,819 INFO L132 InterpolantAutomaton]: Constructing interpolant automaton starting with 28 interpolants. [2018-07-23 13:37:31,819 INFO L133 InterpolantAutomaton]: CoverageRelationStatistics Valid=378, Invalid=378, Unknown=0, NotChecked=0, Total=756 [2018-07-23 13:37:31,819 INFO L87 Difference]: Start difference. First operand 29 states and 29 transitions. Second operand 28 states. [2018-07-23 13:37:31,836 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2018-07-23 13:37:31,836 INFO L93 Difference]: Finished difference Result 32 states and 32 transitions. [2018-07-23 13:37:31,837 INFO L142 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 28 states. [2018-07-23 13:37:31,837 INFO L78 Accepts]: Start accepts. Automaton has 28 states. Word has length 28 [2018-07-23 13:37:31,837 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2018-07-23 13:37:31,837 INFO L225 Difference]: With dead ends: 32 [2018-07-23 13:37:31,837 INFO L226 Difference]: Without dead ends: 30 [2018-07-23 13:37:31,840 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 13:37:31,840 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 30 states. [2018-07-23 13:37:31,843 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 30 to 30. [2018-07-23 13:37:31,843 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 30 states. [2018-07-23 13:37:31,843 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 30 states to 30 states and 30 transitions. [2018-07-23 13:37:31,844 INFO L78 Accepts]: Start accepts. Automaton has 30 states and 30 transitions. Word has length 28 [2018-07-23 13:37:31,844 INFO L84 Accepts]: Finished accepts. word is rejected. [2018-07-23 13:37:31,844 INFO L471 AbstractCegarLoop]: Abstraction has 30 states and 30 transitions. [2018-07-23 13:37:31,844 INFO L472 AbstractCegarLoop]: Interpolant automaton has 28 states. [2018-07-23 13:37:31,844 INFO L276 IsEmpty]: Start isEmpty. Operand 30 states and 30 transitions. [2018-07-23 13:37:31,845 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 30 [2018-07-23 13:37:31,845 INFO L349 BasicCegarLoop]: Found error trace [2018-07-23 13:37:31,845 INFO L357 BasicCegarLoop]: trace histogram [26, 1, 1, 1] [2018-07-23 13:37:31,845 INFO L414 AbstractCegarLoop]: === Iteration 27 === [ULTIMATE.startErr0AssertViolationASSERT]=== [2018-07-23 13:37:31,845 INFO L82 PathProgramCache]: Analyzing trace with hash -1304822623, now seen corresponding path program 26 times [2018-07-23 13:37:31,846 INFO L69 tionRefinementEngine]: Using refinement strategy FixedRefinementStrategy [2018-07-23 13:37:31,861 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-07-23 13:37:31,973 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 13:37:31,974 INFO L309 seRefinementStrategy]: Constructing automaton from 0 perfect and 1 imperfect interpolant sequences. [2018-07-23 13:37:31,974 INFO L324 seRefinementStrategy]: Number of different interpolants: perfect sequences [] imperfect sequences [28] total 28 [2018-07-23 13:37:31,974 INFO L142 lantAutomatonBuilder]: Constructing canonical interpolant automaton, with selfloop in false state [2018-07-23 13:37:31,974 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2018-07-23 13:37:31,975 INFO L185 omatonBuilderFactory]: Interpolants [2337#true, 2338#false, 2339#(<= ULTIMATE.start_main_~i~4 0), 2340#(<= ULTIMATE.start_main_~i~4 2), 2341#(<= ULTIMATE.start_main_~i~4 4), 2342#(<= ULTIMATE.start_main_~i~4 6), 2343#(<= ULTIMATE.start_main_~i~4 8), 2344#(<= ULTIMATE.start_main_~i~4 10), 2345#(<= ULTIMATE.start_main_~i~4 12), 2346#(<= ULTIMATE.start_main_~i~4 14), 2347#(<= ULTIMATE.start_main_~i~4 16), 2348#(<= ULTIMATE.start_main_~i~4 18), 2349#(<= ULTIMATE.start_main_~i~4 20), 2350#(<= ULTIMATE.start_main_~i~4 22), 2351#(<= ULTIMATE.start_main_~i~4 24), 2352#(<= ULTIMATE.start_main_~i~4 26), 2353#(<= ULTIMATE.start_main_~i~4 28), 2354#(<= ULTIMATE.start_main_~i~4 30), 2355#(<= ULTIMATE.start_main_~i~4 32), 2356#(<= ULTIMATE.start_main_~i~4 34), 2357#(<= ULTIMATE.start_main_~i~4 36), 2358#(<= ULTIMATE.start_main_~i~4 38), 2359#(<= ULTIMATE.start_main_~i~4 40), 2360#(<= ULTIMATE.start_main_~i~4 42), 2361#(<= ULTIMATE.start_main_~i~4 44), 2362#(<= ULTIMATE.start_main_~i~4 46), 2363#(<= ULTIMATE.start_main_~i~4 48), 2364#(<= ULTIMATE.start_main_~i~4 50), 2365#(<= ULTIMATE.start_main_~i~4 52)] [2018-07-23 13:37:31,976 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 13:37:31,977 INFO L450 AbstractCegarLoop]: Interpolant automaton has 29 states [2018-07-23 13:37:31,977 INFO L132 InterpolantAutomaton]: Constructing interpolant automaton starting with 29 interpolants. [2018-07-23 13:37:31,977 INFO L133 InterpolantAutomaton]: CoverageRelationStatistics Valid=406, Invalid=406, Unknown=0, NotChecked=0, Total=812 [2018-07-23 13:37:31,978 INFO L87 Difference]: Start difference. First operand 30 states and 30 transitions. Second operand 29 states. [2018-07-23 13:37:32,000 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2018-07-23 13:37:32,001 INFO L93 Difference]: Finished difference Result 33 states and 33 transitions. [2018-07-23 13:37:32,001 INFO L142 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 29 states. [2018-07-23 13:37:32,001 INFO L78 Accepts]: Start accepts. Automaton has 29 states. Word has length 29 [2018-07-23 13:37:32,001 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2018-07-23 13:37:32,002 INFO L225 Difference]: With dead ends: 33 [2018-07-23 13:37:32,002 INFO L226 Difference]: Without dead ends: 31 [2018-07-23 13:37:32,003 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 13:37:32,003 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 31 states. [2018-07-23 13:37:32,008 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 31 to 31. [2018-07-23 13:37:32,008 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 31 states. [2018-07-23 13:37:32,009 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 31 states to 31 states and 31 transitions. [2018-07-23 13:37:32,009 INFO L78 Accepts]: Start accepts. Automaton has 31 states and 31 transitions. Word has length 29 [2018-07-23 13:37:32,009 INFO L84 Accepts]: Finished accepts. word is rejected. [2018-07-23 13:37:32,009 INFO L471 AbstractCegarLoop]: Abstraction has 31 states and 31 transitions. [2018-07-23 13:37:32,010 INFO L472 AbstractCegarLoop]: Interpolant automaton has 29 states. [2018-07-23 13:37:32,010 INFO L276 IsEmpty]: Start isEmpty. Operand 31 states and 31 transitions. [2018-07-23 13:37:32,010 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 31 [2018-07-23 13:37:32,010 INFO L349 BasicCegarLoop]: Found error trace [2018-07-23 13:37:32,010 INFO L357 BasicCegarLoop]: trace histogram [27, 1, 1, 1] [2018-07-23 13:37:32,010 INFO L414 AbstractCegarLoop]: === Iteration 28 === [ULTIMATE.startErr0AssertViolationASSERT]=== [2018-07-23 13:37:32,011 INFO L82 PathProgramCache]: Analyzing trace with hash -1794797624, now seen corresponding path program 27 times [2018-07-23 13:37:32,011 INFO L69 tionRefinementEngine]: Using refinement strategy FixedRefinementStrategy [2018-07-23 13:37:32,020 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-07-23 13:37:32,123 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 13:37:32,124 INFO L309 seRefinementStrategy]: Constructing automaton from 0 perfect and 1 imperfect interpolant sequences. [2018-07-23 13:37:32,124 INFO L324 seRefinementStrategy]: Number of different interpolants: perfect sequences [] imperfect sequences [29] total 29 [2018-07-23 13:37:32,124 INFO L142 lantAutomatonBuilder]: Constructing canonical interpolant automaton, with selfloop in false state [2018-07-23 13:37:32,124 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 13:37:32,125 INFO L185 omatonBuilderFactory]: Interpolants [2496#(<= ULTIMATE.start_main_~i~4 0), 2497#(<= ULTIMATE.start_main_~i~4 2), 2498#(<= ULTIMATE.start_main_~i~4 4), 2499#(<= ULTIMATE.start_main_~i~4 6), 2500#(<= ULTIMATE.start_main_~i~4 8), 2501#(<= ULTIMATE.start_main_~i~4 10), 2502#(<= ULTIMATE.start_main_~i~4 12), 2503#(<= ULTIMATE.start_main_~i~4 14), 2504#(<= ULTIMATE.start_main_~i~4 16), 2505#(<= ULTIMATE.start_main_~i~4 18), 2506#(<= ULTIMATE.start_main_~i~4 20), 2507#(<= ULTIMATE.start_main_~i~4 22), 2508#(<= ULTIMATE.start_main_~i~4 24), 2509#(<= ULTIMATE.start_main_~i~4 26), 2510#(<= ULTIMATE.start_main_~i~4 28), 2511#(<= ULTIMATE.start_main_~i~4 30), 2512#(<= ULTIMATE.start_main_~i~4 32), 2513#(<= ULTIMATE.start_main_~i~4 34), 2514#(<= ULTIMATE.start_main_~i~4 36), 2515#(<= ULTIMATE.start_main_~i~4 38), 2516#(<= ULTIMATE.start_main_~i~4 40), 2517#(<= ULTIMATE.start_main_~i~4 42), 2518#(<= ULTIMATE.start_main_~i~4 44), 2519#(<= ULTIMATE.start_main_~i~4 46), 2520#(<= ULTIMATE.start_main_~i~4 48), 2521#(<= ULTIMATE.start_main_~i~4 50), 2522#(<= ULTIMATE.start_main_~i~4 52), 2523#(<= ULTIMATE.start_main_~i~4 54), 2494#true, 2495#false] [2018-07-23 13:37:32,125 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 13:37:32,126 INFO L450 AbstractCegarLoop]: Interpolant automaton has 30 states [2018-07-23 13:37:32,126 INFO L132 InterpolantAutomaton]: Constructing interpolant automaton starting with 30 interpolants. [2018-07-23 13:37:32,127 INFO L133 InterpolantAutomaton]: CoverageRelationStatistics Valid=435, Invalid=435, Unknown=0, NotChecked=0, Total=870 [2018-07-23 13:37:32,127 INFO L87 Difference]: Start difference. First operand 31 states and 31 transitions. Second operand 30 states. [2018-07-23 13:37:32,145 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2018-07-23 13:37:32,145 INFO L93 Difference]: Finished difference Result 34 states and 34 transitions. [2018-07-23 13:37:32,145 INFO L142 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 30 states. [2018-07-23 13:37:32,146 INFO L78 Accepts]: Start accepts. Automaton has 30 states. Word has length 30 [2018-07-23 13:37:32,146 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2018-07-23 13:37:32,146 INFO L225 Difference]: With dead ends: 34 [2018-07-23 13:37:32,146 INFO L226 Difference]: Without dead ends: 32 [2018-07-23 13:37:32,147 INFO L575 BasicCegarLoop]: 0 DeclaredPredicates, 29 GetRequests, 1 SyntacticMatches, 0 SemanticMatches, 28 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 0 ImplicationChecksByTransitivity, 0.0s TimeCoverageRelationStatistics Valid=435, Invalid=435, Unknown=0, NotChecked=0, Total=870 [2018-07-23 13:37:32,148 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 32 states. [2018-07-23 13:37:32,150 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 32 to 32. [2018-07-23 13:37:32,150 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 32 states. [2018-07-23 13:37:32,151 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 32 states to 32 states and 32 transitions. [2018-07-23 13:37:32,151 INFO L78 Accepts]: Start accepts. Automaton has 32 states and 32 transitions. Word has length 30 [2018-07-23 13:37:32,151 INFO L84 Accepts]: Finished accepts. word is rejected. [2018-07-23 13:37:32,152 INFO L471 AbstractCegarLoop]: Abstraction has 32 states and 32 transitions. [2018-07-23 13:37:32,152 INFO L472 AbstractCegarLoop]: Interpolant automaton has 30 states. [2018-07-23 13:37:32,152 INFO L276 IsEmpty]: Start isEmpty. Operand 32 states and 32 transitions. [2018-07-23 13:37:32,152 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 32 [2018-07-23 13:37:32,152 INFO L349 BasicCegarLoop]: Found error trace [2018-07-23 13:37:32,152 INFO L357 BasicCegarLoop]: trace histogram [28, 1, 1, 1] [2018-07-23 13:37:32,153 INFO L414 AbstractCegarLoop]: === Iteration 29 === [ULTIMATE.startErr0AssertViolationASSERT]=== [2018-07-23 13:37:32,153 INFO L82 PathProgramCache]: Analyzing trace with hash 195846529, now seen corresponding path program 28 times [2018-07-23 13:37:32,153 INFO L69 tionRefinementEngine]: Using refinement strategy FixedRefinementStrategy [2018-07-23 13:37:32,161 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-07-23 13:37:32,266 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 13:37:32,266 INFO L309 seRefinementStrategy]: Constructing automaton from 0 perfect and 1 imperfect interpolant sequences. [2018-07-23 13:37:32,266 INFO L324 seRefinementStrategy]: Number of different interpolants: perfect sequences [] imperfect sequences [30] total 30 [2018-07-23 13:37:32,266 INFO L142 lantAutomatonBuilder]: Constructing canonical interpolant automaton, with selfloop in false state [2018-07-23 13:37:32,267 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 13:37:32,267 INFO L185 omatonBuilderFactory]: Interpolants [2656#true, 2657#false, 2658#(<= ULTIMATE.start_main_~i~4 0), 2659#(<= ULTIMATE.start_main_~i~4 2), 2660#(<= ULTIMATE.start_main_~i~4 4), 2661#(<= ULTIMATE.start_main_~i~4 6), 2662#(<= ULTIMATE.start_main_~i~4 8), 2663#(<= ULTIMATE.start_main_~i~4 10), 2664#(<= ULTIMATE.start_main_~i~4 12), 2665#(<= ULTIMATE.start_main_~i~4 14), 2666#(<= ULTIMATE.start_main_~i~4 16), 2667#(<= ULTIMATE.start_main_~i~4 18), 2668#(<= ULTIMATE.start_main_~i~4 20), 2669#(<= ULTIMATE.start_main_~i~4 22), 2670#(<= ULTIMATE.start_main_~i~4 24), 2671#(<= ULTIMATE.start_main_~i~4 26), 2672#(<= ULTIMATE.start_main_~i~4 28), 2673#(<= ULTIMATE.start_main_~i~4 30), 2674#(<= ULTIMATE.start_main_~i~4 32), 2675#(<= ULTIMATE.start_main_~i~4 34), 2676#(<= ULTIMATE.start_main_~i~4 36), 2677#(<= ULTIMATE.start_main_~i~4 38), 2678#(<= ULTIMATE.start_main_~i~4 40), 2679#(<= ULTIMATE.start_main_~i~4 42), 2680#(<= ULTIMATE.start_main_~i~4 44), 2681#(<= ULTIMATE.start_main_~i~4 46), 2682#(<= ULTIMATE.start_main_~i~4 48), 2683#(<= ULTIMATE.start_main_~i~4 50), 2684#(<= ULTIMATE.start_main_~i~4 52), 2685#(<= ULTIMATE.start_main_~i~4 54), 2686#(<= ULTIMATE.start_main_~i~4 56)] [2018-07-23 13:37:32,268 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 13:37:32,268 INFO L450 AbstractCegarLoop]: Interpolant automaton has 31 states [2018-07-23 13:37:32,268 INFO L132 InterpolantAutomaton]: Constructing interpolant automaton starting with 31 interpolants. [2018-07-23 13:37:32,269 INFO L133 InterpolantAutomaton]: CoverageRelationStatistics Valid=465, Invalid=465, Unknown=0, NotChecked=0, Total=930 [2018-07-23 13:37:32,269 INFO L87 Difference]: Start difference. First operand 32 states and 32 transitions. Second operand 31 states. [2018-07-23 13:37:32,288 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2018-07-23 13:37:32,288 INFO L93 Difference]: Finished difference Result 35 states and 35 transitions. [2018-07-23 13:37:32,288 INFO L142 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 31 states. [2018-07-23 13:37:32,289 INFO L78 Accepts]: Start accepts. Automaton has 31 states. Word has length 31 [2018-07-23 13:37:32,289 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2018-07-23 13:37:32,289 INFO L225 Difference]: With dead ends: 35 [2018-07-23 13:37:32,289 INFO L226 Difference]: Without dead ends: 33 [2018-07-23 13:37:32,290 INFO L575 BasicCegarLoop]: 0 DeclaredPredicates, 30 GetRequests, 1 SyntacticMatches, 0 SemanticMatches, 29 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 0 ImplicationChecksByTransitivity, 0.0s TimeCoverageRelationStatistics Valid=465, Invalid=465, Unknown=0, NotChecked=0, Total=930 [2018-07-23 13:37:32,291 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 33 states. [2018-07-23 13:37:32,293 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 33 to 33. [2018-07-23 13:37:32,293 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 33 states. [2018-07-23 13:37:32,294 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 33 states to 33 states and 33 transitions. [2018-07-23 13:37:32,294 INFO L78 Accepts]: Start accepts. Automaton has 33 states and 33 transitions. Word has length 31 [2018-07-23 13:37:32,294 INFO L84 Accepts]: Finished accepts. word is rejected. [2018-07-23 13:37:32,294 INFO L471 AbstractCegarLoop]: Abstraction has 33 states and 33 transitions. [2018-07-23 13:37:32,295 INFO L472 AbstractCegarLoop]: Interpolant automaton has 31 states. [2018-07-23 13:37:32,295 INFO L276 IsEmpty]: Start isEmpty. Operand 33 states and 33 transitions. [2018-07-23 13:37:32,295 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 33 [2018-07-23 13:37:32,295 INFO L349 BasicCegarLoop]: Found error trace [2018-07-23 13:37:32,296 INFO L357 BasicCegarLoop]: trace histogram [29, 1, 1, 1] [2018-07-23 13:37:32,296 INFO L414 AbstractCegarLoop]: === Iteration 30 === [ULTIMATE.startErr0AssertViolationASSERT]=== [2018-07-23 13:37:32,296 INFO L82 PathProgramCache]: Analyzing trace with hash 1776273128, now seen corresponding path program 29 times [2018-07-23 13:37:32,296 INFO L69 tionRefinementEngine]: Using refinement strategy FixedRefinementStrategy [2018-07-23 13:37:32,305 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-07-23 13:37:32,417 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 13:37:32,417 INFO L309 seRefinementStrategy]: Constructing automaton from 0 perfect and 1 imperfect interpolant sequences. [2018-07-23 13:37:32,418 INFO L324 seRefinementStrategy]: Number of different interpolants: perfect sequences [] imperfect sequences [31] total 31 [2018-07-23 13:37:32,418 INFO L142 lantAutomatonBuilder]: Constructing canonical interpolant automaton, with selfloop in false state [2018-07-23 13:37:32,418 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2018-07-23 13:37:32,418 INFO L185 omatonBuilderFactory]: Interpolants [2823#true, 2824#false, 2825#(<= ULTIMATE.start_main_~i~4 0), 2826#(<= ULTIMATE.start_main_~i~4 2), 2827#(<= ULTIMATE.start_main_~i~4 4), 2828#(<= ULTIMATE.start_main_~i~4 6), 2829#(<= ULTIMATE.start_main_~i~4 8), 2830#(<= ULTIMATE.start_main_~i~4 10), 2831#(<= ULTIMATE.start_main_~i~4 12), 2832#(<= ULTIMATE.start_main_~i~4 14), 2833#(<= ULTIMATE.start_main_~i~4 16), 2834#(<= ULTIMATE.start_main_~i~4 18), 2835#(<= ULTIMATE.start_main_~i~4 20), 2836#(<= ULTIMATE.start_main_~i~4 22), 2837#(<= ULTIMATE.start_main_~i~4 24), 2838#(<= ULTIMATE.start_main_~i~4 26), 2839#(<= ULTIMATE.start_main_~i~4 28), 2840#(<= ULTIMATE.start_main_~i~4 30), 2841#(<= ULTIMATE.start_main_~i~4 32), 2842#(<= ULTIMATE.start_main_~i~4 34), 2843#(<= ULTIMATE.start_main_~i~4 36), 2844#(<= ULTIMATE.start_main_~i~4 38), 2845#(<= ULTIMATE.start_main_~i~4 40), 2846#(<= ULTIMATE.start_main_~i~4 42), 2847#(<= ULTIMATE.start_main_~i~4 44), 2848#(<= ULTIMATE.start_main_~i~4 46), 2849#(<= ULTIMATE.start_main_~i~4 48), 2850#(<= ULTIMATE.start_main_~i~4 50), 2851#(<= ULTIMATE.start_main_~i~4 52), 2852#(<= ULTIMATE.start_main_~i~4 54), 2853#(<= ULTIMATE.start_main_~i~4 56), 2854#(<= ULTIMATE.start_main_~i~4 58)] [2018-07-23 13:37:32,419 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 13:37:32,419 INFO L450 AbstractCegarLoop]: Interpolant automaton has 32 states [2018-07-23 13:37:32,420 INFO L132 InterpolantAutomaton]: Constructing interpolant automaton starting with 32 interpolants. [2018-07-23 13:37:32,420 INFO L133 InterpolantAutomaton]: CoverageRelationStatistics Valid=496, Invalid=496, Unknown=0, NotChecked=0, Total=992 [2018-07-23 13:37:32,421 INFO L87 Difference]: Start difference. First operand 33 states and 33 transitions. Second operand 32 states. [2018-07-23 13:37:32,438 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2018-07-23 13:37:32,439 INFO L93 Difference]: Finished difference Result 36 states and 36 transitions. [2018-07-23 13:37:32,439 INFO L142 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 32 states. [2018-07-23 13:37:32,439 INFO L78 Accepts]: Start accepts. Automaton has 32 states. Word has length 32 [2018-07-23 13:37:32,440 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2018-07-23 13:37:32,440 INFO L225 Difference]: With dead ends: 36 [2018-07-23 13:37:32,440 INFO L226 Difference]: Without dead ends: 34 [2018-07-23 13:37:32,441 INFO L575 BasicCegarLoop]: 0 DeclaredPredicates, 31 GetRequests, 1 SyntacticMatches, 0 SemanticMatches, 30 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 0 ImplicationChecksByTransitivity, 0.0s TimeCoverageRelationStatistics Valid=496, Invalid=496, Unknown=0, NotChecked=0, Total=992 [2018-07-23 13:37:32,441 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 34 states. [2018-07-23 13:37:32,444 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 34 to 34. [2018-07-23 13:37:32,444 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 34 states. [2018-07-23 13:37:32,444 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 34 states to 34 states and 34 transitions. [2018-07-23 13:37:32,445 INFO L78 Accepts]: Start accepts. Automaton has 34 states and 34 transitions. Word has length 32 [2018-07-23 13:37:32,445 INFO L84 Accepts]: Finished accepts. word is rejected. [2018-07-23 13:37:32,445 INFO L471 AbstractCegarLoop]: Abstraction has 34 states and 34 transitions. [2018-07-23 13:37:32,445 INFO L472 AbstractCegarLoop]: Interpolant automaton has 32 states. [2018-07-23 13:37:32,445 INFO L276 IsEmpty]: Start isEmpty. Operand 34 states and 34 transitions. [2018-07-23 13:37:32,446 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 34 [2018-07-23 13:37:32,446 INFO L349 BasicCegarLoop]: Found error trace [2018-07-23 13:37:32,446 INFO L357 BasicCegarLoop]: trace histogram [30, 1, 1, 1] [2018-07-23 13:37:32,446 INFO L414 AbstractCegarLoop]: === Iteration 31 === [ULTIMATE.startErr0AssertViolationASSERT]=== [2018-07-23 13:37:32,446 INFO L82 PathProgramCache]: Analyzing trace with hash -770109855, now seen corresponding path program 30 times [2018-07-23 13:37:32,446 INFO L69 tionRefinementEngine]: Using refinement strategy FixedRefinementStrategy [2018-07-23 13:37:32,455 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-07-23 13:37:32,574 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 13:37:32,574 INFO L309 seRefinementStrategy]: Constructing automaton from 0 perfect and 1 imperfect interpolant sequences. [2018-07-23 13:37:32,574 INFO L324 seRefinementStrategy]: Number of different interpolants: perfect sequences [] imperfect sequences [32] total 32 [2018-07-23 13:37:32,575 INFO L142 lantAutomatonBuilder]: Constructing canonical interpolant automaton, with selfloop in false state [2018-07-23 13:37:32,575 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 13:37:32,575 INFO L185 omatonBuilderFactory]: Interpolants [3008#(<= ULTIMATE.start_main_~i~4 22), 3009#(<= ULTIMATE.start_main_~i~4 24), 3010#(<= ULTIMATE.start_main_~i~4 26), 3011#(<= ULTIMATE.start_main_~i~4 28), 3012#(<= ULTIMATE.start_main_~i~4 30), 3013#(<= ULTIMATE.start_main_~i~4 32), 3014#(<= ULTIMATE.start_main_~i~4 34), 3015#(<= ULTIMATE.start_main_~i~4 36), 3016#(<= ULTIMATE.start_main_~i~4 38), 3017#(<= ULTIMATE.start_main_~i~4 40), 3018#(<= ULTIMATE.start_main_~i~4 42), 3019#(<= ULTIMATE.start_main_~i~4 44), 3020#(<= ULTIMATE.start_main_~i~4 46), 3021#(<= ULTIMATE.start_main_~i~4 48), 3022#(<= ULTIMATE.start_main_~i~4 50), 3023#(<= ULTIMATE.start_main_~i~4 52), 3024#(<= ULTIMATE.start_main_~i~4 54), 3025#(<= ULTIMATE.start_main_~i~4 56), 3026#(<= ULTIMATE.start_main_~i~4 58), 3027#(<= ULTIMATE.start_main_~i~4 60), 2995#true, 2996#false, 2997#(<= ULTIMATE.start_main_~i~4 0), 2998#(<= ULTIMATE.start_main_~i~4 2), 2999#(<= ULTIMATE.start_main_~i~4 4), 3000#(<= ULTIMATE.start_main_~i~4 6), 3001#(<= ULTIMATE.start_main_~i~4 8), 3002#(<= ULTIMATE.start_main_~i~4 10), 3003#(<= ULTIMATE.start_main_~i~4 12), 3004#(<= ULTIMATE.start_main_~i~4 14), 3005#(<= ULTIMATE.start_main_~i~4 16), 3006#(<= ULTIMATE.start_main_~i~4 18), 3007#(<= ULTIMATE.start_main_~i~4 20)] [2018-07-23 13:37:32,576 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 13:37:32,576 INFO L450 AbstractCegarLoop]: Interpolant automaton has 33 states [2018-07-23 13:37:32,576 INFO L132 InterpolantAutomaton]: Constructing interpolant automaton starting with 33 interpolants. [2018-07-23 13:37:32,577 INFO L133 InterpolantAutomaton]: CoverageRelationStatistics Valid=528, Invalid=528, Unknown=0, NotChecked=0, Total=1056 [2018-07-23 13:37:32,577 INFO L87 Difference]: Start difference. First operand 34 states and 34 transitions. Second operand 33 states. [2018-07-23 13:37:32,594 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2018-07-23 13:37:32,594 INFO L93 Difference]: Finished difference Result 37 states and 37 transitions. [2018-07-23 13:37:32,594 INFO L142 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 33 states. [2018-07-23 13:37:32,594 INFO L78 Accepts]: Start accepts. Automaton has 33 states. Word has length 33 [2018-07-23 13:37:32,595 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2018-07-23 13:37:32,595 INFO L225 Difference]: With dead ends: 37 [2018-07-23 13:37:32,595 INFO L226 Difference]: Without dead ends: 35 [2018-07-23 13:37:32,596 INFO L575 BasicCegarLoop]: 0 DeclaredPredicates, 32 GetRequests, 1 SyntacticMatches, 0 SemanticMatches, 31 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 0 ImplicationChecksByTransitivity, 0.0s TimeCoverageRelationStatistics Valid=528, Invalid=528, Unknown=0, NotChecked=0, Total=1056 [2018-07-23 13:37:32,597 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 35 states. [2018-07-23 13:37:32,599 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 35 to 35. [2018-07-23 13:37:32,599 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 35 states. [2018-07-23 13:37:32,600 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 35 states to 35 states and 35 transitions. [2018-07-23 13:37:32,600 INFO L78 Accepts]: Start accepts. Automaton has 35 states and 35 transitions. Word has length 33 [2018-07-23 13:37:32,600 INFO L84 Accepts]: Finished accepts. word is rejected. [2018-07-23 13:37:32,601 INFO L471 AbstractCegarLoop]: Abstraction has 35 states and 35 transitions. [2018-07-23 13:37:32,601 INFO L472 AbstractCegarLoop]: Interpolant automaton has 33 states. [2018-07-23 13:37:32,601 INFO L276 IsEmpty]: Start isEmpty. Operand 35 states and 35 transitions. [2018-07-23 13:37:32,601 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 35 [2018-07-23 13:37:32,602 INFO L349 BasicCegarLoop]: Found error trace [2018-07-23 13:37:32,602 INFO L357 BasicCegarLoop]: trace histogram [31, 1, 1, 1] [2018-07-23 13:37:32,602 INFO L414 AbstractCegarLoop]: === Iteration 32 === [ULTIMATE.startErr0AssertViolationASSERT]=== [2018-07-23 13:37:32,602 INFO L82 PathProgramCache]: Analyzing trace with hash 1896396296, now seen corresponding path program 31 times [2018-07-23 13:37:32,602 INFO L69 tionRefinementEngine]: Using refinement strategy FixedRefinementStrategy [2018-07-23 13:37:32,611 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-07-23 13:37:32,741 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 13:37:32,742 INFO L309 seRefinementStrategy]: Constructing automaton from 0 perfect and 1 imperfect interpolant sequences. [2018-07-23 13:37:32,742 INFO L324 seRefinementStrategy]: Number of different interpolants: perfect sequences [] imperfect sequences [33] total 33 [2018-07-23 13:37:32,742 INFO L142 lantAutomatonBuilder]: Constructing canonical interpolant automaton, with selfloop in false state [2018-07-23 13:37:32,742 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2018-07-23 13:37:32,743 INFO L185 omatonBuilderFactory]: Interpolants [3200#(<= ULTIMATE.start_main_~i~4 52), 3201#(<= ULTIMATE.start_main_~i~4 54), 3202#(<= ULTIMATE.start_main_~i~4 56), 3203#(<= ULTIMATE.start_main_~i~4 58), 3204#(<= ULTIMATE.start_main_~i~4 60), 3205#(<= ULTIMATE.start_main_~i~4 62), 3172#true, 3173#false, 3174#(<= ULTIMATE.start_main_~i~4 0), 3175#(<= ULTIMATE.start_main_~i~4 2), 3176#(<= ULTIMATE.start_main_~i~4 4), 3177#(<= ULTIMATE.start_main_~i~4 6), 3178#(<= ULTIMATE.start_main_~i~4 8), 3179#(<= ULTIMATE.start_main_~i~4 10), 3180#(<= ULTIMATE.start_main_~i~4 12), 3181#(<= ULTIMATE.start_main_~i~4 14), 3182#(<= ULTIMATE.start_main_~i~4 16), 3183#(<= ULTIMATE.start_main_~i~4 18), 3184#(<= ULTIMATE.start_main_~i~4 20), 3185#(<= ULTIMATE.start_main_~i~4 22), 3186#(<= ULTIMATE.start_main_~i~4 24), 3187#(<= ULTIMATE.start_main_~i~4 26), 3188#(<= ULTIMATE.start_main_~i~4 28), 3189#(<= ULTIMATE.start_main_~i~4 30), 3190#(<= ULTIMATE.start_main_~i~4 32), 3191#(<= ULTIMATE.start_main_~i~4 34), 3192#(<= ULTIMATE.start_main_~i~4 36), 3193#(<= ULTIMATE.start_main_~i~4 38), 3194#(<= ULTIMATE.start_main_~i~4 40), 3195#(<= ULTIMATE.start_main_~i~4 42), 3196#(<= ULTIMATE.start_main_~i~4 44), 3197#(<= ULTIMATE.start_main_~i~4 46), 3198#(<= ULTIMATE.start_main_~i~4 48), 3199#(<= ULTIMATE.start_main_~i~4 50)] [2018-07-23 13:37:32,744 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 13:37:32,744 INFO L450 AbstractCegarLoop]: Interpolant automaton has 34 states [2018-07-23 13:37:32,744 INFO L132 InterpolantAutomaton]: Constructing interpolant automaton starting with 34 interpolants. [2018-07-23 13:37:32,745 INFO L133 InterpolantAutomaton]: CoverageRelationStatistics Valid=561, Invalid=561, Unknown=0, NotChecked=0, Total=1122 [2018-07-23 13:37:32,746 INFO L87 Difference]: Start difference. First operand 35 states and 35 transitions. Second operand 34 states. [2018-07-23 13:37:32,761 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2018-07-23 13:37:32,762 INFO L93 Difference]: Finished difference Result 38 states and 38 transitions. [2018-07-23 13:37:32,762 INFO L142 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 34 states. [2018-07-23 13:37:32,762 INFO L78 Accepts]: Start accepts. Automaton has 34 states. Word has length 34 [2018-07-23 13:37:32,762 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2018-07-23 13:37:32,763 INFO L225 Difference]: With dead ends: 38 [2018-07-23 13:37:32,763 INFO L226 Difference]: Without dead ends: 36 [2018-07-23 13:37:32,764 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 13:37:32,764 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 36 states. [2018-07-23 13:37:32,767 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 36 to 36. [2018-07-23 13:37:32,767 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 36 states. [2018-07-23 13:37:32,768 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 36 states to 36 states and 36 transitions. [2018-07-23 13:37:32,768 INFO L78 Accepts]: Start accepts. Automaton has 36 states and 36 transitions. Word has length 34 [2018-07-23 13:37:32,768 INFO L84 Accepts]: Finished accepts. word is rejected. [2018-07-23 13:37:32,768 INFO L471 AbstractCegarLoop]: Abstraction has 36 states and 36 transitions. [2018-07-23 13:37:32,769 INFO L472 AbstractCegarLoop]: Interpolant automaton has 34 states. [2018-07-23 13:37:32,769 INFO L276 IsEmpty]: Start isEmpty. Operand 36 states and 36 transitions. [2018-07-23 13:37:32,769 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 36 [2018-07-23 13:37:32,769 INFO L349 BasicCegarLoop]: Found error trace [2018-07-23 13:37:32,769 INFO L357 BasicCegarLoop]: trace histogram [32, 1, 1, 1] [2018-07-23 13:37:32,769 INFO L414 AbstractCegarLoop]: === Iteration 33 === [ULTIMATE.startErr0AssertViolationASSERT]=== [2018-07-23 13:37:32,770 INFO L82 PathProgramCache]: Analyzing trace with hash -1341258943, now seen corresponding path program 32 times [2018-07-23 13:37:32,770 INFO L69 tionRefinementEngine]: Using refinement strategy FixedRefinementStrategy [2018-07-23 13:37:32,779 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-07-23 13:37:32,953 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 13:37:32,954 INFO L309 seRefinementStrategy]: Constructing automaton from 0 perfect and 1 imperfect interpolant sequences. [2018-07-23 13:37:32,954 INFO L324 seRefinementStrategy]: Number of different interpolants: perfect sequences [] imperfect sequences [34] total 34 [2018-07-23 13:37:32,954 INFO L142 lantAutomatonBuilder]: Constructing canonical interpolant automaton, with selfloop in false state [2018-07-23 13:37:32,956 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2018-07-23 13:37:32,956 INFO L185 omatonBuilderFactory]: Interpolants [3354#true, 3355#false, 3356#(<= ULTIMATE.start_main_~i~4 0), 3357#(<= ULTIMATE.start_main_~i~4 2), 3358#(<= ULTIMATE.start_main_~i~4 4), 3359#(<= ULTIMATE.start_main_~i~4 6), 3360#(<= ULTIMATE.start_main_~i~4 8), 3361#(<= ULTIMATE.start_main_~i~4 10), 3362#(<= ULTIMATE.start_main_~i~4 12), 3363#(<= ULTIMATE.start_main_~i~4 14), 3364#(<= ULTIMATE.start_main_~i~4 16), 3365#(<= ULTIMATE.start_main_~i~4 18), 3366#(<= ULTIMATE.start_main_~i~4 20), 3367#(<= ULTIMATE.start_main_~i~4 22), 3368#(<= ULTIMATE.start_main_~i~4 24), 3369#(<= ULTIMATE.start_main_~i~4 26), 3370#(<= ULTIMATE.start_main_~i~4 28), 3371#(<= ULTIMATE.start_main_~i~4 30), 3372#(<= ULTIMATE.start_main_~i~4 32), 3373#(<= ULTIMATE.start_main_~i~4 34), 3374#(<= ULTIMATE.start_main_~i~4 36), 3375#(<= ULTIMATE.start_main_~i~4 38), 3376#(<= ULTIMATE.start_main_~i~4 40), 3377#(<= ULTIMATE.start_main_~i~4 42), 3378#(<= ULTIMATE.start_main_~i~4 44), 3379#(<= ULTIMATE.start_main_~i~4 46), 3380#(<= ULTIMATE.start_main_~i~4 48), 3381#(<= ULTIMATE.start_main_~i~4 50), 3382#(<= ULTIMATE.start_main_~i~4 52), 3383#(<= ULTIMATE.start_main_~i~4 54), 3384#(<= ULTIMATE.start_main_~i~4 56), 3385#(<= ULTIMATE.start_main_~i~4 58), 3386#(<= ULTIMATE.start_main_~i~4 60), 3387#(<= ULTIMATE.start_main_~i~4 62), 3388#(<= ULTIMATE.start_main_~i~4 64)] [2018-07-23 13:37:32,957 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 13:37:32,957 INFO L450 AbstractCegarLoop]: Interpolant automaton has 35 states [2018-07-23 13:37:32,960 INFO L132 InterpolantAutomaton]: Constructing interpolant automaton starting with 35 interpolants. [2018-07-23 13:37:32,961 INFO L133 InterpolantAutomaton]: CoverageRelationStatistics Valid=595, Invalid=595, Unknown=0, NotChecked=0, Total=1190 [2018-07-23 13:37:32,961 INFO L87 Difference]: Start difference. First operand 36 states and 36 transitions. Second operand 35 states. [2018-07-23 13:37:32,979 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2018-07-23 13:37:32,979 INFO L93 Difference]: Finished difference Result 39 states and 39 transitions. [2018-07-23 13:37:32,979 INFO L142 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 35 states. [2018-07-23 13:37:32,979 INFO L78 Accepts]: Start accepts. Automaton has 35 states. Word has length 35 [2018-07-23 13:37:32,980 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2018-07-23 13:37:32,980 INFO L225 Difference]: With dead ends: 39 [2018-07-23 13:37:32,980 INFO L226 Difference]: Without dead ends: 37 [2018-07-23 13:37:32,983 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 13:37:32,983 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 37 states. [2018-07-23 13:37:32,985 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 37 to 37. [2018-07-23 13:37:32,986 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 37 states. [2018-07-23 13:37:32,986 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 37 states to 37 states and 37 transitions. [2018-07-23 13:37:32,986 INFO L78 Accepts]: Start accepts. Automaton has 37 states and 37 transitions. Word has length 35 [2018-07-23 13:37:32,986 INFO L84 Accepts]: Finished accepts. word is rejected. [2018-07-23 13:37:32,987 INFO L471 AbstractCegarLoop]: Abstraction has 37 states and 37 transitions. [2018-07-23 13:37:32,987 INFO L472 AbstractCegarLoop]: Interpolant automaton has 35 states. [2018-07-23 13:37:32,987 INFO L276 IsEmpty]: Start isEmpty. Operand 37 states and 37 transitions. [2018-07-23 13:37:32,987 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 37 [2018-07-23 13:37:32,987 INFO L349 BasicCegarLoop]: Found error trace [2018-07-23 13:37:32,988 INFO L357 BasicCegarLoop]: trace histogram [33, 1, 1, 1] [2018-07-23 13:37:32,988 INFO L414 AbstractCegarLoop]: === Iteration 34 === [ULTIMATE.startErr0AssertViolationASSERT]=== [2018-07-23 13:37:32,988 INFO L82 PathProgramCache]: Analyzing trace with hash 1370643752, now seen corresponding path program 33 times [2018-07-23 13:37:32,988 INFO L69 tionRefinementEngine]: Using refinement strategy FixedRefinementStrategy [2018-07-23 13:37:32,994 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-07-23 13:37:33,110 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 13:37:33,111 INFO L309 seRefinementStrategy]: Constructing automaton from 0 perfect and 1 imperfect interpolant sequences. [2018-07-23 13:37:33,111 INFO L324 seRefinementStrategy]: Number of different interpolants: perfect sequences [] imperfect sequences [35] total 35 [2018-07-23 13:37:33,111 INFO L142 lantAutomatonBuilder]: Constructing canonical interpolant automaton, with selfloop in false state [2018-07-23 13:37:33,111 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2018-07-23 13:37:33,112 INFO L185 omatonBuilderFactory]: Interpolants [3541#true, 3542#false, 3543#(<= ULTIMATE.start_main_~i~4 0), 3544#(<= ULTIMATE.start_main_~i~4 2), 3545#(<= ULTIMATE.start_main_~i~4 4), 3546#(<= ULTIMATE.start_main_~i~4 6), 3547#(<= ULTIMATE.start_main_~i~4 8), 3548#(<= ULTIMATE.start_main_~i~4 10), 3549#(<= ULTIMATE.start_main_~i~4 12), 3550#(<= ULTIMATE.start_main_~i~4 14), 3551#(<= ULTIMATE.start_main_~i~4 16), 3552#(<= ULTIMATE.start_main_~i~4 18), 3553#(<= ULTIMATE.start_main_~i~4 20), 3554#(<= ULTIMATE.start_main_~i~4 22), 3555#(<= ULTIMATE.start_main_~i~4 24), 3556#(<= ULTIMATE.start_main_~i~4 26), 3557#(<= ULTIMATE.start_main_~i~4 28), 3558#(<= ULTIMATE.start_main_~i~4 30), 3559#(<= ULTIMATE.start_main_~i~4 32), 3560#(<= ULTIMATE.start_main_~i~4 34), 3561#(<= ULTIMATE.start_main_~i~4 36), 3562#(<= ULTIMATE.start_main_~i~4 38), 3563#(<= ULTIMATE.start_main_~i~4 40), 3564#(<= ULTIMATE.start_main_~i~4 42), 3565#(<= ULTIMATE.start_main_~i~4 44), 3566#(<= ULTIMATE.start_main_~i~4 46), 3567#(<= ULTIMATE.start_main_~i~4 48), 3568#(<= ULTIMATE.start_main_~i~4 50), 3569#(<= ULTIMATE.start_main_~i~4 52), 3570#(<= ULTIMATE.start_main_~i~4 54), 3571#(<= ULTIMATE.start_main_~i~4 56), 3572#(<= ULTIMATE.start_main_~i~4 58), 3573#(<= ULTIMATE.start_main_~i~4 60), 3574#(<= ULTIMATE.start_main_~i~4 62), 3575#(<= ULTIMATE.start_main_~i~4 64), 3576#(<= ULTIMATE.start_main_~i~4 66)] [2018-07-23 13:37:33,112 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 13:37:33,112 INFO L450 AbstractCegarLoop]: Interpolant automaton has 36 states [2018-07-23 13:37:33,113 INFO L132 InterpolantAutomaton]: Constructing interpolant automaton starting with 36 interpolants. [2018-07-23 13:37:33,113 INFO L133 InterpolantAutomaton]: CoverageRelationStatistics Valid=630, Invalid=630, Unknown=0, NotChecked=0, Total=1260 [2018-07-23 13:37:33,114 INFO L87 Difference]: Start difference. First operand 37 states and 37 transitions. Second operand 36 states. [2018-07-23 13:37:33,132 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2018-07-23 13:37:33,132 INFO L93 Difference]: Finished difference Result 40 states and 40 transitions. [2018-07-23 13:37:33,132 INFO L142 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 36 states. [2018-07-23 13:37:33,132 INFO L78 Accepts]: Start accepts. Automaton has 36 states. Word has length 36 [2018-07-23 13:37:33,132 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2018-07-23 13:37:33,133 INFO L225 Difference]: With dead ends: 40 [2018-07-23 13:37:33,133 INFO L226 Difference]: Without dead ends: 38 [2018-07-23 13:37:33,134 INFO L575 BasicCegarLoop]: 0 DeclaredPredicates, 35 GetRequests, 1 SyntacticMatches, 0 SemanticMatches, 34 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 0 ImplicationChecksByTransitivity, 0.0s TimeCoverageRelationStatistics Valid=630, Invalid=630, Unknown=0, NotChecked=0, Total=1260 [2018-07-23 13:37:33,134 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 38 states. [2018-07-23 13:37:33,136 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 38 to 38. [2018-07-23 13:37:33,136 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 38 states. [2018-07-23 13:37:33,137 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 38 states to 38 states and 38 transitions. [2018-07-23 13:37:33,137 INFO L78 Accepts]: Start accepts. Automaton has 38 states and 38 transitions. Word has length 36 [2018-07-23 13:37:33,137 INFO L84 Accepts]: Finished accepts. word is rejected. [2018-07-23 13:37:33,137 INFO L471 AbstractCegarLoop]: Abstraction has 38 states and 38 transitions. [2018-07-23 13:37:33,137 INFO L472 AbstractCegarLoop]: Interpolant automaton has 36 states. [2018-07-23 13:37:33,138 INFO L276 IsEmpty]: Start isEmpty. Operand 38 states and 38 transitions. [2018-07-23 13:37:33,138 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 38 [2018-07-23 13:37:33,138 INFO L349 BasicCegarLoop]: Found error trace [2018-07-23 13:37:33,138 INFO L357 BasicCegarLoop]: trace histogram [34, 1, 1, 1] [2018-07-23 13:37:33,138 INFO L414 AbstractCegarLoop]: === Iteration 35 === [ULTIMATE.startErr0AssertViolationASSERT]=== [2018-07-23 13:37:33,139 INFO L82 PathProgramCache]: Analyzing trace with hash -459718623, now seen corresponding path program 34 times [2018-07-23 13:37:33,139 INFO L69 tionRefinementEngine]: Using refinement strategy FixedRefinementStrategy [2018-07-23 13:37:33,146 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-07-23 13:37:33,263 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 13:37:33,264 INFO L309 seRefinementStrategy]: Constructing automaton from 0 perfect and 1 imperfect interpolant sequences. [2018-07-23 13:37:33,264 INFO L324 seRefinementStrategy]: Number of different interpolants: perfect sequences [] imperfect sequences [36] total 36 [2018-07-23 13:37:33,264 INFO L142 lantAutomatonBuilder]: Constructing canonical interpolant automaton, with selfloop in false state [2018-07-23 13:37:33,264 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2018-07-23 13:37:33,264 INFO L185 omatonBuilderFactory]: Interpolants [3733#true, 3734#false, 3735#(<= ULTIMATE.start_main_~i~4 0), 3736#(<= ULTIMATE.start_main_~i~4 2), 3737#(<= ULTIMATE.start_main_~i~4 4), 3738#(<= ULTIMATE.start_main_~i~4 6), 3739#(<= ULTIMATE.start_main_~i~4 8), 3740#(<= ULTIMATE.start_main_~i~4 10), 3741#(<= ULTIMATE.start_main_~i~4 12), 3742#(<= ULTIMATE.start_main_~i~4 14), 3743#(<= ULTIMATE.start_main_~i~4 16), 3744#(<= ULTIMATE.start_main_~i~4 18), 3745#(<= ULTIMATE.start_main_~i~4 20), 3746#(<= ULTIMATE.start_main_~i~4 22), 3747#(<= ULTIMATE.start_main_~i~4 24), 3748#(<= ULTIMATE.start_main_~i~4 26), 3749#(<= ULTIMATE.start_main_~i~4 28), 3750#(<= ULTIMATE.start_main_~i~4 30), 3751#(<= ULTIMATE.start_main_~i~4 32), 3752#(<= ULTIMATE.start_main_~i~4 34), 3753#(<= ULTIMATE.start_main_~i~4 36), 3754#(<= ULTIMATE.start_main_~i~4 38), 3755#(<= ULTIMATE.start_main_~i~4 40), 3756#(<= ULTIMATE.start_main_~i~4 42), 3757#(<= ULTIMATE.start_main_~i~4 44), 3758#(<= ULTIMATE.start_main_~i~4 46), 3759#(<= ULTIMATE.start_main_~i~4 48), 3760#(<= ULTIMATE.start_main_~i~4 50), 3761#(<= ULTIMATE.start_main_~i~4 52), 3762#(<= ULTIMATE.start_main_~i~4 54), 3763#(<= ULTIMATE.start_main_~i~4 56), 3764#(<= ULTIMATE.start_main_~i~4 58), 3765#(<= ULTIMATE.start_main_~i~4 60), 3766#(<= ULTIMATE.start_main_~i~4 62), 3767#(<= ULTIMATE.start_main_~i~4 64), 3768#(<= ULTIMATE.start_main_~i~4 66), 3769#(<= ULTIMATE.start_main_~i~4 68)] [2018-07-23 13:37:33,265 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 13:37:33,265 INFO L450 AbstractCegarLoop]: Interpolant automaton has 37 states [2018-07-23 13:37:33,266 INFO L132 InterpolantAutomaton]: Constructing interpolant automaton starting with 37 interpolants. [2018-07-23 13:37:33,266 INFO L133 InterpolantAutomaton]: CoverageRelationStatistics Valid=666, Invalid=666, Unknown=0, NotChecked=0, Total=1332 [2018-07-23 13:37:33,267 INFO L87 Difference]: Start difference. First operand 38 states and 38 transitions. Second operand 37 states. [2018-07-23 13:37:33,286 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2018-07-23 13:37:33,286 INFO L93 Difference]: Finished difference Result 41 states and 41 transitions. [2018-07-23 13:37:33,286 INFO L142 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 37 states. [2018-07-23 13:37:33,286 INFO L78 Accepts]: Start accepts. Automaton has 37 states. Word has length 37 [2018-07-23 13:37:33,286 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2018-07-23 13:37:33,287 INFO L225 Difference]: With dead ends: 41 [2018-07-23 13:37:33,287 INFO L226 Difference]: Without dead ends: 39 [2018-07-23 13:37:33,288 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 13:37:33,288 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 39 states. [2018-07-23 13:37:33,290 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 39 to 39. [2018-07-23 13:37:33,290 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 39 states. [2018-07-23 13:37:33,290 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 39 states to 39 states and 39 transitions. [2018-07-23 13:37:33,291 INFO L78 Accepts]: Start accepts. Automaton has 39 states and 39 transitions. Word has length 37 [2018-07-23 13:37:33,291 INFO L84 Accepts]: Finished accepts. word is rejected. [2018-07-23 13:37:33,291 INFO L471 AbstractCegarLoop]: Abstraction has 39 states and 39 transitions. [2018-07-23 13:37:33,291 INFO L472 AbstractCegarLoop]: Interpolant automaton has 37 states. [2018-07-23 13:37:33,291 INFO L276 IsEmpty]: Start isEmpty. Operand 39 states and 39 transitions. [2018-07-23 13:37:33,291 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 39 [2018-07-23 13:37:33,291 INFO L349 BasicCegarLoop]: Found error trace [2018-07-23 13:37:33,292 INFO L357 BasicCegarLoop]: trace histogram [35, 1, 1, 1] [2018-07-23 13:37:33,292 INFO L414 AbstractCegarLoop]: === Iteration 36 === [ULTIMATE.startErr0AssertViolationASSERT]=== [2018-07-23 13:37:33,292 INFO L82 PathProgramCache]: Analyzing trace with hash -1366377400, now seen corresponding path program 35 times [2018-07-23 13:37:33,292 INFO L69 tionRefinementEngine]: Using refinement strategy FixedRefinementStrategy [2018-07-23 13:37:33,299 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-07-23 13:37:33,418 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 13:37:33,418 INFO L309 seRefinementStrategy]: Constructing automaton from 0 perfect and 1 imperfect interpolant sequences. [2018-07-23 13:37:33,419 INFO L324 seRefinementStrategy]: Number of different interpolants: perfect sequences [] imperfect sequences [37] total 37 [2018-07-23 13:37:33,419 INFO L142 lantAutomatonBuilder]: Constructing canonical interpolant automaton, with selfloop in false state [2018-07-23 13:37:33,419 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2018-07-23 13:37:33,419 INFO L185 omatonBuilderFactory]: Interpolants [3930#true, 3931#false, 3932#(<= ULTIMATE.start_main_~i~4 0), 3933#(<= ULTIMATE.start_main_~i~4 2), 3934#(<= ULTIMATE.start_main_~i~4 4), 3935#(<= ULTIMATE.start_main_~i~4 6), 3936#(<= ULTIMATE.start_main_~i~4 8), 3937#(<= ULTIMATE.start_main_~i~4 10), 3938#(<= ULTIMATE.start_main_~i~4 12), 3939#(<= ULTIMATE.start_main_~i~4 14), 3940#(<= ULTIMATE.start_main_~i~4 16), 3941#(<= ULTIMATE.start_main_~i~4 18), 3942#(<= ULTIMATE.start_main_~i~4 20), 3943#(<= ULTIMATE.start_main_~i~4 22), 3944#(<= ULTIMATE.start_main_~i~4 24), 3945#(<= ULTIMATE.start_main_~i~4 26), 3946#(<= ULTIMATE.start_main_~i~4 28), 3947#(<= ULTIMATE.start_main_~i~4 30), 3948#(<= ULTIMATE.start_main_~i~4 32), 3949#(<= ULTIMATE.start_main_~i~4 34), 3950#(<= ULTIMATE.start_main_~i~4 36), 3951#(<= ULTIMATE.start_main_~i~4 38), 3952#(<= ULTIMATE.start_main_~i~4 40), 3953#(<= ULTIMATE.start_main_~i~4 42), 3954#(<= ULTIMATE.start_main_~i~4 44), 3955#(<= ULTIMATE.start_main_~i~4 46), 3956#(<= ULTIMATE.start_main_~i~4 48), 3957#(<= ULTIMATE.start_main_~i~4 50), 3958#(<= ULTIMATE.start_main_~i~4 52), 3959#(<= ULTIMATE.start_main_~i~4 54), 3960#(<= ULTIMATE.start_main_~i~4 56), 3961#(<= ULTIMATE.start_main_~i~4 58), 3962#(<= ULTIMATE.start_main_~i~4 60), 3963#(<= ULTIMATE.start_main_~i~4 62), 3964#(<= ULTIMATE.start_main_~i~4 64), 3965#(<= ULTIMATE.start_main_~i~4 66), 3966#(<= ULTIMATE.start_main_~i~4 68), 3967#(<= ULTIMATE.start_main_~i~4 70)] [2018-07-23 13:37:33,420 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 13:37:33,420 INFO L450 AbstractCegarLoop]: Interpolant automaton has 38 states [2018-07-23 13:37:33,421 INFO L132 InterpolantAutomaton]: Constructing interpolant automaton starting with 38 interpolants. [2018-07-23 13:37:33,421 INFO L133 InterpolantAutomaton]: CoverageRelationStatistics Valid=703, Invalid=703, Unknown=0, NotChecked=0, Total=1406 [2018-07-23 13:37:33,421 INFO L87 Difference]: Start difference. First operand 39 states and 39 transitions. Second operand 38 states. [2018-07-23 13:37:33,441 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2018-07-23 13:37:33,441 INFO L93 Difference]: Finished difference Result 42 states and 42 transitions. [2018-07-23 13:37:33,441 INFO L142 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 38 states. [2018-07-23 13:37:33,441 INFO L78 Accepts]: Start accepts. Automaton has 38 states. Word has length 38 [2018-07-23 13:37:33,442 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2018-07-23 13:37:33,442 INFO L225 Difference]: With dead ends: 42 [2018-07-23 13:37:33,442 INFO L226 Difference]: Without dead ends: 40 [2018-07-23 13:37:33,443 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 13:37:33,443 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 40 states. [2018-07-23 13:37:33,445 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 40 to 40. [2018-07-23 13:37:33,445 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 40 states. [2018-07-23 13:37:33,446 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 40 states to 40 states and 40 transitions. [2018-07-23 13:37:33,446 INFO L78 Accepts]: Start accepts. Automaton has 40 states and 40 transitions. Word has length 38 [2018-07-23 13:37:33,446 INFO L84 Accepts]: Finished accepts. word is rejected. [2018-07-23 13:37:33,446 INFO L471 AbstractCegarLoop]: Abstraction has 40 states and 40 transitions. [2018-07-23 13:37:33,446 INFO L472 AbstractCegarLoop]: Interpolant automaton has 38 states. [2018-07-23 13:37:33,446 INFO L276 IsEmpty]: Start isEmpty. Operand 40 states and 40 transitions. [2018-07-23 13:37:33,447 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 40 [2018-07-23 13:37:33,447 INFO L349 BasicCegarLoop]: Found error trace [2018-07-23 13:37:33,447 INFO L357 BasicCegarLoop]: trace histogram [36, 1, 1, 1] [2018-07-23 13:37:33,447 INFO L414 AbstractCegarLoop]: === Iteration 37 === [ULTIMATE.startErr0AssertViolationASSERT]=== [2018-07-23 13:37:33,447 INFO L82 PathProgramCache]: Analyzing trace with hash 591971585, now seen corresponding path program 36 times [2018-07-23 13:37:33,447 INFO L69 tionRefinementEngine]: Using refinement strategy FixedRefinementStrategy [2018-07-23 13:37:33,454 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-07-23 13:37:33,574 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 13:37:33,575 INFO L309 seRefinementStrategy]: Constructing automaton from 0 perfect and 1 imperfect interpolant sequences. [2018-07-23 13:37:33,575 INFO L324 seRefinementStrategy]: Number of different interpolants: perfect sequences [] imperfect sequences [38] total 38 [2018-07-23 13:37:33,575 INFO L142 lantAutomatonBuilder]: Constructing canonical interpolant automaton, with selfloop in false state [2018-07-23 13:37:33,575 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 13:37:33,576 INFO L185 omatonBuilderFactory]: Interpolants [4160#(<= ULTIMATE.start_main_~i~4 52), 4161#(<= ULTIMATE.start_main_~i~4 54), 4162#(<= ULTIMATE.start_main_~i~4 56), 4163#(<= ULTIMATE.start_main_~i~4 58), 4164#(<= ULTIMATE.start_main_~i~4 60), 4165#(<= ULTIMATE.start_main_~i~4 62), 4166#(<= ULTIMATE.start_main_~i~4 64), 4167#(<= ULTIMATE.start_main_~i~4 66), 4168#(<= ULTIMATE.start_main_~i~4 68), 4169#(<= ULTIMATE.start_main_~i~4 70), 4170#(<= ULTIMATE.start_main_~i~4 72), 4132#true, 4133#false, 4134#(<= ULTIMATE.start_main_~i~4 0), 4135#(<= ULTIMATE.start_main_~i~4 2), 4136#(<= ULTIMATE.start_main_~i~4 4), 4137#(<= ULTIMATE.start_main_~i~4 6), 4138#(<= ULTIMATE.start_main_~i~4 8), 4139#(<= ULTIMATE.start_main_~i~4 10), 4140#(<= ULTIMATE.start_main_~i~4 12), 4141#(<= ULTIMATE.start_main_~i~4 14), 4142#(<= ULTIMATE.start_main_~i~4 16), 4143#(<= ULTIMATE.start_main_~i~4 18), 4144#(<= ULTIMATE.start_main_~i~4 20), 4145#(<= ULTIMATE.start_main_~i~4 22), 4146#(<= ULTIMATE.start_main_~i~4 24), 4147#(<= ULTIMATE.start_main_~i~4 26), 4148#(<= ULTIMATE.start_main_~i~4 28), 4149#(<= ULTIMATE.start_main_~i~4 30), 4150#(<= ULTIMATE.start_main_~i~4 32), 4151#(<= ULTIMATE.start_main_~i~4 34), 4152#(<= ULTIMATE.start_main_~i~4 36), 4153#(<= ULTIMATE.start_main_~i~4 38), 4154#(<= ULTIMATE.start_main_~i~4 40), 4155#(<= ULTIMATE.start_main_~i~4 42), 4156#(<= ULTIMATE.start_main_~i~4 44), 4157#(<= ULTIMATE.start_main_~i~4 46), 4158#(<= ULTIMATE.start_main_~i~4 48), 4159#(<= ULTIMATE.start_main_~i~4 50)] [2018-07-23 13:37:33,576 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 13:37:33,576 INFO L450 AbstractCegarLoop]: Interpolant automaton has 39 states [2018-07-23 13:37:33,577 INFO L132 InterpolantAutomaton]: Constructing interpolant automaton starting with 39 interpolants. [2018-07-23 13:37:33,579 INFO L133 InterpolantAutomaton]: CoverageRelationStatistics Valid=741, Invalid=741, Unknown=0, NotChecked=0, Total=1482 [2018-07-23 13:37:33,579 INFO L87 Difference]: Start difference. First operand 40 states and 40 transitions. Second operand 39 states. [2018-07-23 13:37:33,595 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2018-07-23 13:37:33,595 INFO L93 Difference]: Finished difference Result 43 states and 43 transitions. [2018-07-23 13:37:33,595 INFO L142 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 39 states. [2018-07-23 13:37:33,596 INFO L78 Accepts]: Start accepts. Automaton has 39 states. Word has length 39 [2018-07-23 13:37:33,596 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2018-07-23 13:37:33,596 INFO L225 Difference]: With dead ends: 43 [2018-07-23 13:37:33,596 INFO L226 Difference]: Without dead ends: 41 [2018-07-23 13:37:33,597 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 13:37:33,598 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 41 states. [2018-07-23 13:37:33,599 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 41 to 41. [2018-07-23 13:37:33,599 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 41 states. [2018-07-23 13:37:33,600 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 41 states to 41 states and 41 transitions. [2018-07-23 13:37:33,600 INFO L78 Accepts]: Start accepts. Automaton has 41 states and 41 transitions. Word has length 39 [2018-07-23 13:37:33,600 INFO L84 Accepts]: Finished accepts. word is rejected. [2018-07-23 13:37:33,600 INFO L471 AbstractCegarLoop]: Abstraction has 41 states and 41 transitions. [2018-07-23 13:37:33,600 INFO L472 AbstractCegarLoop]: Interpolant automaton has 39 states. [2018-07-23 13:37:33,600 INFO L276 IsEmpty]: Start isEmpty. Operand 41 states and 41 transitions. [2018-07-23 13:37:33,601 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 41 [2018-07-23 13:37:33,601 INFO L349 BasicCegarLoop]: Found error trace [2018-07-23 13:37:33,601 INFO L357 BasicCegarLoop]: trace histogram [37, 1, 1, 1] [2018-07-23 13:37:33,601 INFO L414 AbstractCegarLoop]: === Iteration 38 === [ULTIMATE.startErr0AssertViolationASSERT]=== [2018-07-23 13:37:33,601 INFO L82 PathProgramCache]: Analyzing trace with hash 1171247976, now seen corresponding path program 37 times [2018-07-23 13:37:33,601 INFO L69 tionRefinementEngine]: Using refinement strategy FixedRefinementStrategy [2018-07-23 13:37:33,610 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-07-23 13:37:33,729 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 13:37:33,729 INFO L309 seRefinementStrategy]: Constructing automaton from 0 perfect and 1 imperfect interpolant sequences. [2018-07-23 13:37:33,729 INFO L324 seRefinementStrategy]: Number of different interpolants: perfect sequences [] imperfect sequences [39] total 39 [2018-07-23 13:37:33,730 INFO L142 lantAutomatonBuilder]: Constructing canonical interpolant automaton, with selfloop in false state [2018-07-23 13:37:33,730 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2018-07-23 13:37:33,730 INFO L185 omatonBuilderFactory]: Interpolants [4352#(<= ULTIMATE.start_main_~i~4 22), 4353#(<= ULTIMATE.start_main_~i~4 24), 4354#(<= ULTIMATE.start_main_~i~4 26), 4355#(<= ULTIMATE.start_main_~i~4 28), 4356#(<= ULTIMATE.start_main_~i~4 30), 4357#(<= ULTIMATE.start_main_~i~4 32), 4358#(<= ULTIMATE.start_main_~i~4 34), 4359#(<= ULTIMATE.start_main_~i~4 36), 4360#(<= ULTIMATE.start_main_~i~4 38), 4361#(<= ULTIMATE.start_main_~i~4 40), 4362#(<= ULTIMATE.start_main_~i~4 42), 4363#(<= ULTIMATE.start_main_~i~4 44), 4364#(<= ULTIMATE.start_main_~i~4 46), 4365#(<= ULTIMATE.start_main_~i~4 48), 4366#(<= ULTIMATE.start_main_~i~4 50), 4367#(<= ULTIMATE.start_main_~i~4 52), 4368#(<= ULTIMATE.start_main_~i~4 54), 4369#(<= ULTIMATE.start_main_~i~4 56), 4370#(<= ULTIMATE.start_main_~i~4 58), 4371#(<= ULTIMATE.start_main_~i~4 60), 4372#(<= ULTIMATE.start_main_~i~4 62), 4373#(<= ULTIMATE.start_main_~i~4 64), 4374#(<= ULTIMATE.start_main_~i~4 66), 4375#(<= ULTIMATE.start_main_~i~4 68), 4376#(<= ULTIMATE.start_main_~i~4 70), 4377#(<= ULTIMATE.start_main_~i~4 72), 4378#(<= ULTIMATE.start_main_~i~4 74), 4339#true, 4340#false, 4341#(<= ULTIMATE.start_main_~i~4 0), 4342#(<= ULTIMATE.start_main_~i~4 2), 4343#(<= ULTIMATE.start_main_~i~4 4), 4344#(<= ULTIMATE.start_main_~i~4 6), 4345#(<= ULTIMATE.start_main_~i~4 8), 4346#(<= ULTIMATE.start_main_~i~4 10), 4347#(<= ULTIMATE.start_main_~i~4 12), 4348#(<= ULTIMATE.start_main_~i~4 14), 4349#(<= ULTIMATE.start_main_~i~4 16), 4350#(<= ULTIMATE.start_main_~i~4 18), 4351#(<= ULTIMATE.start_main_~i~4 20)] [2018-07-23 13:37:33,730 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 13:37:33,731 INFO L450 AbstractCegarLoop]: Interpolant automaton has 40 states [2018-07-23 13:37:33,731 INFO L132 InterpolantAutomaton]: Constructing interpolant automaton starting with 40 interpolants. [2018-07-23 13:37:33,732 INFO L133 InterpolantAutomaton]: CoverageRelationStatistics Valid=780, Invalid=780, Unknown=0, NotChecked=0, Total=1560 [2018-07-23 13:37:33,732 INFO L87 Difference]: Start difference. First operand 41 states and 41 transitions. Second operand 40 states. [2018-07-23 13:37:33,750 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2018-07-23 13:37:33,750 INFO L93 Difference]: Finished difference Result 44 states and 44 transitions. [2018-07-23 13:37:33,750 INFO L142 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 40 states. [2018-07-23 13:37:33,750 INFO L78 Accepts]: Start accepts. Automaton has 40 states. Word has length 40 [2018-07-23 13:37:33,751 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2018-07-23 13:37:33,751 INFO L225 Difference]: With dead ends: 44 [2018-07-23 13:37:33,751 INFO L226 Difference]: Without dead ends: 42 [2018-07-23 13:37:33,752 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 13:37:33,752 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 42 states. [2018-07-23 13:37:33,754 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 42 to 42. [2018-07-23 13:37:33,755 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 42 states. [2018-07-23 13:37:33,755 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 42 states to 42 states and 42 transitions. [2018-07-23 13:37:33,755 INFO L78 Accepts]: Start accepts. Automaton has 42 states and 42 transitions. Word has length 40 [2018-07-23 13:37:33,755 INFO L84 Accepts]: Finished accepts. word is rejected. [2018-07-23 13:37:33,756 INFO L471 AbstractCegarLoop]: Abstraction has 42 states and 42 transitions. [2018-07-23 13:37:33,756 INFO L472 AbstractCegarLoop]: Interpolant automaton has 40 states. [2018-07-23 13:37:33,756 INFO L276 IsEmpty]: Start isEmpty. Operand 42 states and 42 transitions. [2018-07-23 13:37:33,756 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 42 [2018-07-23 13:37:33,756 INFO L349 BasicCegarLoop]: Found error trace [2018-07-23 13:37:33,756 INFO L357 BasicCegarLoop]: trace histogram [38, 1, 1, 1] [2018-07-23 13:37:33,757 INFO L414 AbstractCegarLoop]: === Iteration 39 === [ULTIMATE.startErr0AssertViolationASSERT]=== [2018-07-23 13:37:33,757 INFO L82 PathProgramCache]: Analyzing trace with hash 1948946913, now seen corresponding path program 38 times [2018-07-23 13:37:33,757 INFO L69 tionRefinementEngine]: Using refinement strategy FixedRefinementStrategy [2018-07-23 13:37:33,765 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-07-23 13:37:33,893 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 13:37:33,894 INFO L309 seRefinementStrategy]: Constructing automaton from 0 perfect and 1 imperfect interpolant sequences. [2018-07-23 13:37:33,894 INFO L324 seRefinementStrategy]: Number of different interpolants: perfect sequences [] imperfect sequences [40] total 40 [2018-07-23 13:37:33,894 INFO L142 lantAutomatonBuilder]: Constructing canonical interpolant automaton, with selfloop in false state [2018-07-23 13:37:33,894 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2018-07-23 13:37:33,895 INFO L185 omatonBuilderFactory]: Interpolants [4551#true, 4552#false, 4553#(<= ULTIMATE.start_main_~i~4 0), 4554#(<= ULTIMATE.start_main_~i~4 2), 4555#(<= ULTIMATE.start_main_~i~4 4), 4556#(<= ULTIMATE.start_main_~i~4 6), 4557#(<= ULTIMATE.start_main_~i~4 8), 4558#(<= ULTIMATE.start_main_~i~4 10), 4559#(<= ULTIMATE.start_main_~i~4 12), 4560#(<= ULTIMATE.start_main_~i~4 14), 4561#(<= ULTIMATE.start_main_~i~4 16), 4562#(<= ULTIMATE.start_main_~i~4 18), 4563#(<= ULTIMATE.start_main_~i~4 20), 4564#(<= ULTIMATE.start_main_~i~4 22), 4565#(<= ULTIMATE.start_main_~i~4 24), 4566#(<= ULTIMATE.start_main_~i~4 26), 4567#(<= ULTIMATE.start_main_~i~4 28), 4568#(<= ULTIMATE.start_main_~i~4 30), 4569#(<= ULTIMATE.start_main_~i~4 32), 4570#(<= ULTIMATE.start_main_~i~4 34), 4571#(<= ULTIMATE.start_main_~i~4 36), 4572#(<= ULTIMATE.start_main_~i~4 38), 4573#(<= ULTIMATE.start_main_~i~4 40), 4574#(<= ULTIMATE.start_main_~i~4 42), 4575#(<= ULTIMATE.start_main_~i~4 44), 4576#(<= ULTIMATE.start_main_~i~4 46), 4577#(<= ULTIMATE.start_main_~i~4 48), 4578#(<= ULTIMATE.start_main_~i~4 50), 4579#(<= ULTIMATE.start_main_~i~4 52), 4580#(<= ULTIMATE.start_main_~i~4 54), 4581#(<= ULTIMATE.start_main_~i~4 56), 4582#(<= ULTIMATE.start_main_~i~4 58), 4583#(<= ULTIMATE.start_main_~i~4 60), 4584#(<= ULTIMATE.start_main_~i~4 62), 4585#(<= ULTIMATE.start_main_~i~4 64), 4586#(<= ULTIMATE.start_main_~i~4 66), 4587#(<= ULTIMATE.start_main_~i~4 68), 4588#(<= ULTIMATE.start_main_~i~4 70), 4589#(<= ULTIMATE.start_main_~i~4 72), 4590#(<= ULTIMATE.start_main_~i~4 74), 4591#(<= ULTIMATE.start_main_~i~4 76)] [2018-07-23 13:37:33,895 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 13:37:33,895 INFO L450 AbstractCegarLoop]: Interpolant automaton has 41 states [2018-07-23 13:37:33,896 INFO L132 InterpolantAutomaton]: Constructing interpolant automaton starting with 41 interpolants. [2018-07-23 13:37:33,897 INFO L133 InterpolantAutomaton]: CoverageRelationStatistics Valid=820, Invalid=820, Unknown=0, NotChecked=0, Total=1640 [2018-07-23 13:37:33,897 INFO L87 Difference]: Start difference. First operand 42 states and 42 transitions. Second operand 41 states. [2018-07-23 13:37:33,919 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2018-07-23 13:37:33,919 INFO L93 Difference]: Finished difference Result 45 states and 45 transitions. [2018-07-23 13:37:33,919 INFO L142 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 41 states. [2018-07-23 13:37:33,919 INFO L78 Accepts]: Start accepts. Automaton has 41 states. Word has length 41 [2018-07-23 13:37:33,919 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2018-07-23 13:37:33,920 INFO L225 Difference]: With dead ends: 45 [2018-07-23 13:37:33,920 INFO L226 Difference]: Without dead ends: 43 [2018-07-23 13:37:33,921 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 13:37:33,921 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 43 states. [2018-07-23 13:37:33,923 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 43 to 43. [2018-07-23 13:37:33,923 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 43 states. [2018-07-23 13:37:33,930 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 43 states to 43 states and 43 transitions. [2018-07-23 13:37:33,930 INFO L78 Accepts]: Start accepts. Automaton has 43 states and 43 transitions. Word has length 41 [2018-07-23 13:37:33,930 INFO L84 Accepts]: Finished accepts. word is rejected. [2018-07-23 13:37:33,930 INFO L471 AbstractCegarLoop]: Abstraction has 43 states and 43 transitions. [2018-07-23 13:37:33,930 INFO L472 AbstractCegarLoop]: Interpolant automaton has 41 states. [2018-07-23 13:37:33,930 INFO L276 IsEmpty]: Start isEmpty. Operand 43 states and 43 transitions. [2018-07-23 13:37:33,931 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 43 [2018-07-23 13:37:33,931 INFO L349 BasicCegarLoop]: Found error trace [2018-07-23 13:37:33,931 INFO L357 BasicCegarLoop]: trace histogram [39, 1, 1, 1] [2018-07-23 13:37:33,931 INFO L414 AbstractCegarLoop]: === Iteration 40 === [ULTIMATE.startErr0AssertViolationASSERT]=== [2018-07-23 13:37:33,931 INFO L82 PathProgramCache]: Analyzing trace with hash 287810184, now seen corresponding path program 39 times [2018-07-23 13:37:33,932 INFO L69 tionRefinementEngine]: Using refinement strategy FixedRefinementStrategy [2018-07-23 13:37:33,942 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-07-23 13:37:34,071 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 13:37:34,072 INFO L309 seRefinementStrategy]: Constructing automaton from 0 perfect and 1 imperfect interpolant sequences. [2018-07-23 13:37:34,072 INFO L324 seRefinementStrategy]: Number of different interpolants: perfect sequences [] imperfect sequences [41] total 41 [2018-07-23 13:37:34,072 INFO L142 lantAutomatonBuilder]: Constructing canonical interpolant automaton, with selfloop in false state [2018-07-23 13:37:34,072 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 13:37:34,073 INFO L185 omatonBuilderFactory]: Interpolants [4800#(<= ULTIMATE.start_main_~i~4 60), 4801#(<= ULTIMATE.start_main_~i~4 62), 4802#(<= ULTIMATE.start_main_~i~4 64), 4803#(<= ULTIMATE.start_main_~i~4 66), 4804#(<= ULTIMATE.start_main_~i~4 68), 4805#(<= ULTIMATE.start_main_~i~4 70), 4806#(<= ULTIMATE.start_main_~i~4 72), 4807#(<= ULTIMATE.start_main_~i~4 74), 4808#(<= ULTIMATE.start_main_~i~4 76), 4809#(<= ULTIMATE.start_main_~i~4 78), 4768#true, 4769#false, 4770#(<= ULTIMATE.start_main_~i~4 0), 4771#(<= ULTIMATE.start_main_~i~4 2), 4772#(<= ULTIMATE.start_main_~i~4 4), 4773#(<= ULTIMATE.start_main_~i~4 6), 4774#(<= ULTIMATE.start_main_~i~4 8), 4775#(<= ULTIMATE.start_main_~i~4 10), 4776#(<= ULTIMATE.start_main_~i~4 12), 4777#(<= ULTIMATE.start_main_~i~4 14), 4778#(<= ULTIMATE.start_main_~i~4 16), 4779#(<= ULTIMATE.start_main_~i~4 18), 4780#(<= ULTIMATE.start_main_~i~4 20), 4781#(<= ULTIMATE.start_main_~i~4 22), 4782#(<= ULTIMATE.start_main_~i~4 24), 4783#(<= ULTIMATE.start_main_~i~4 26), 4784#(<= ULTIMATE.start_main_~i~4 28), 4785#(<= ULTIMATE.start_main_~i~4 30), 4786#(<= ULTIMATE.start_main_~i~4 32), 4787#(<= ULTIMATE.start_main_~i~4 34), 4788#(<= ULTIMATE.start_main_~i~4 36), 4789#(<= ULTIMATE.start_main_~i~4 38), 4790#(<= ULTIMATE.start_main_~i~4 40), 4791#(<= ULTIMATE.start_main_~i~4 42), 4792#(<= ULTIMATE.start_main_~i~4 44), 4793#(<= ULTIMATE.start_main_~i~4 46), 4794#(<= ULTIMATE.start_main_~i~4 48), 4795#(<= ULTIMATE.start_main_~i~4 50), 4796#(<= ULTIMATE.start_main_~i~4 52), 4797#(<= ULTIMATE.start_main_~i~4 54), 4798#(<= ULTIMATE.start_main_~i~4 56), 4799#(<= ULTIMATE.start_main_~i~4 58)] [2018-07-23 13:37:34,073 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 13:37:34,073 INFO L450 AbstractCegarLoop]: Interpolant automaton has 42 states [2018-07-23 13:37:34,074 INFO L132 InterpolantAutomaton]: Constructing interpolant automaton starting with 42 interpolants. [2018-07-23 13:37:34,074 INFO L133 InterpolantAutomaton]: CoverageRelationStatistics Valid=861, Invalid=861, Unknown=0, NotChecked=0, Total=1722 [2018-07-23 13:37:34,075 INFO L87 Difference]: Start difference. First operand 43 states and 43 transitions. Second operand 42 states. [2018-07-23 13:37:34,091 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2018-07-23 13:37:34,091 INFO L93 Difference]: Finished difference Result 46 states and 46 transitions. [2018-07-23 13:37:34,091 INFO L142 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 42 states. [2018-07-23 13:37:34,092 INFO L78 Accepts]: Start accepts. Automaton has 42 states. Word has length 42 [2018-07-23 13:37:34,092 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2018-07-23 13:37:34,092 INFO L225 Difference]: With dead ends: 46 [2018-07-23 13:37:34,092 INFO L226 Difference]: Without dead ends: 44 [2018-07-23 13:37:34,094 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 13:37:34,094 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 44 states. [2018-07-23 13:37:34,096 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 44 to 44. [2018-07-23 13:37:34,096 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 44 states. [2018-07-23 13:37:34,096 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 44 states to 44 states and 44 transitions. [2018-07-23 13:37:34,096 INFO L78 Accepts]: Start accepts. Automaton has 44 states and 44 transitions. Word has length 42 [2018-07-23 13:37:34,097 INFO L84 Accepts]: Finished accepts. word is rejected. [2018-07-23 13:37:34,097 INFO L471 AbstractCegarLoop]: Abstraction has 44 states and 44 transitions. [2018-07-23 13:37:34,097 INFO L472 AbstractCegarLoop]: Interpolant automaton has 42 states. [2018-07-23 13:37:34,097 INFO L276 IsEmpty]: Start isEmpty. Operand 44 states and 44 transitions. [2018-07-23 13:37:34,097 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 44 [2018-07-23 13:37:34,097 INFO L349 BasicCegarLoop]: Found error trace [2018-07-23 13:37:34,097 INFO L357 BasicCegarLoop]: trace histogram [40, 1, 1, 1] [2018-07-23 13:37:34,098 INFO L414 AbstractCegarLoop]: === Iteration 41 === [ULTIMATE.startErr0AssertViolationASSERT]=== [2018-07-23 13:37:34,098 INFO L82 PathProgramCache]: Analyzing trace with hash 332179137, now seen corresponding path program 40 times [2018-07-23 13:37:34,098 INFO L69 tionRefinementEngine]: Using refinement strategy FixedRefinementStrategy [2018-07-23 13:37:34,108 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-07-23 13:37:34,234 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 13:37:34,234 INFO L309 seRefinementStrategy]: Constructing automaton from 0 perfect and 1 imperfect interpolant sequences. [2018-07-23 13:37:34,235 INFO L324 seRefinementStrategy]: Number of different interpolants: perfect sequences [] imperfect sequences [42] total 42 [2018-07-23 13:37:34,235 INFO L142 lantAutomatonBuilder]: Constructing canonical interpolant automaton, with selfloop in false state [2018-07-23 13:37:34,235 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2018-07-23 13:37:34,235 INFO L185 omatonBuilderFactory]: Interpolants [4992#(<= ULTIMATE.start_main_~i~4 0), 4993#(<= ULTIMATE.start_main_~i~4 2), 4994#(<= ULTIMATE.start_main_~i~4 4), 4995#(<= ULTIMATE.start_main_~i~4 6), 4996#(<= ULTIMATE.start_main_~i~4 8), 4997#(<= ULTIMATE.start_main_~i~4 10), 4998#(<= ULTIMATE.start_main_~i~4 12), 4999#(<= ULTIMATE.start_main_~i~4 14), 5000#(<= ULTIMATE.start_main_~i~4 16), 5001#(<= ULTIMATE.start_main_~i~4 18), 5002#(<= ULTIMATE.start_main_~i~4 20), 5003#(<= ULTIMATE.start_main_~i~4 22), 5004#(<= ULTIMATE.start_main_~i~4 24), 5005#(<= ULTIMATE.start_main_~i~4 26), 5006#(<= ULTIMATE.start_main_~i~4 28), 5007#(<= ULTIMATE.start_main_~i~4 30), 5008#(<= ULTIMATE.start_main_~i~4 32), 5009#(<= ULTIMATE.start_main_~i~4 34), 5010#(<= ULTIMATE.start_main_~i~4 36), 5011#(<= ULTIMATE.start_main_~i~4 38), 5012#(<= ULTIMATE.start_main_~i~4 40), 5013#(<= ULTIMATE.start_main_~i~4 42), 5014#(<= ULTIMATE.start_main_~i~4 44), 5015#(<= ULTIMATE.start_main_~i~4 46), 5016#(<= ULTIMATE.start_main_~i~4 48), 5017#(<= ULTIMATE.start_main_~i~4 50), 5018#(<= ULTIMATE.start_main_~i~4 52), 5019#(<= ULTIMATE.start_main_~i~4 54), 5020#(<= ULTIMATE.start_main_~i~4 56), 5021#(<= ULTIMATE.start_main_~i~4 58), 5022#(<= ULTIMATE.start_main_~i~4 60), 5023#(<= ULTIMATE.start_main_~i~4 62), 5024#(<= ULTIMATE.start_main_~i~4 64), 5025#(<= ULTIMATE.start_main_~i~4 66), 5026#(<= ULTIMATE.start_main_~i~4 68), 5027#(<= ULTIMATE.start_main_~i~4 70), 5028#(<= ULTIMATE.start_main_~i~4 72), 5029#(<= ULTIMATE.start_main_~i~4 74), 5030#(<= ULTIMATE.start_main_~i~4 76), 5031#(<= ULTIMATE.start_main_~i~4 78), 5032#(<= ULTIMATE.start_main_~i~4 80), 4990#true, 4991#false] [2018-07-23 13:37:34,236 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 13:37:34,236 INFO L450 AbstractCegarLoop]: Interpolant automaton has 43 states [2018-07-23 13:37:34,236 INFO L132 InterpolantAutomaton]: Constructing interpolant automaton starting with 43 interpolants. [2018-07-23 13:37:34,237 INFO L133 InterpolantAutomaton]: CoverageRelationStatistics Valid=903, Invalid=903, Unknown=0, NotChecked=0, Total=1806 [2018-07-23 13:37:34,237 INFO L87 Difference]: Start difference. First operand 44 states and 44 transitions. Second operand 43 states. [2018-07-23 13:37:34,259 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2018-07-23 13:37:34,259 INFO L93 Difference]: Finished difference Result 47 states and 47 transitions. [2018-07-23 13:37:34,259 INFO L142 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 43 states. [2018-07-23 13:37:34,259 INFO L78 Accepts]: Start accepts. Automaton has 43 states. Word has length 43 [2018-07-23 13:37:34,259 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2018-07-23 13:37:34,260 INFO L225 Difference]: With dead ends: 47 [2018-07-23 13:37:34,260 INFO L226 Difference]: Without dead ends: 45 [2018-07-23 13:37:34,261 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 13:37:34,261 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 45 states. [2018-07-23 13:37:34,263 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 45 to 45. [2018-07-23 13:37:34,263 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 45 states. [2018-07-23 13:37:34,263 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 45 states to 45 states and 45 transitions. [2018-07-23 13:37:34,263 INFO L78 Accepts]: Start accepts. Automaton has 45 states and 45 transitions. Word has length 43 [2018-07-23 13:37:34,264 INFO L84 Accepts]: Finished accepts. word is rejected. [2018-07-23 13:37:34,264 INFO L471 AbstractCegarLoop]: Abstraction has 45 states and 45 transitions. [2018-07-23 13:37:34,264 INFO L472 AbstractCegarLoop]: Interpolant automaton has 43 states. [2018-07-23 13:37:34,264 INFO L276 IsEmpty]: Start isEmpty. Operand 45 states and 45 transitions. [2018-07-23 13:37:34,264 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 45 [2018-07-23 13:37:34,264 INFO L349 BasicCegarLoop]: Found error trace [2018-07-23 13:37:34,265 INFO L357 BasicCegarLoop]: trace histogram [41, 1, 1, 1] [2018-07-23 13:37:34,265 INFO L414 AbstractCegarLoop]: === Iteration 42 === [ULTIMATE.startErr0AssertViolationASSERT]=== [2018-07-23 13:37:34,265 INFO L82 PathProgramCache]: Analyzing trace with hash 1707616680, now seen corresponding path program 41 times [2018-07-23 13:37:34,265 INFO L69 tionRefinementEngine]: Using refinement strategy FixedRefinementStrategy [2018-07-23 13:37:34,276 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-07-23 13:37:34,406 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 13:37:34,406 INFO L309 seRefinementStrategy]: Constructing automaton from 0 perfect and 1 imperfect interpolant sequences. [2018-07-23 13:37:34,406 INFO L324 seRefinementStrategy]: Number of different interpolants: perfect sequences [] imperfect sequences [43] total 43 [2018-07-23 13:37:34,407 INFO L142 lantAutomatonBuilder]: Constructing canonical interpolant automaton, with selfloop in false state [2018-07-23 13:37:34,407 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2018-07-23 13:37:34,407 INFO L185 omatonBuilderFactory]: Interpolants [5248#(<= ULTIMATE.start_main_~i~4 58), 5249#(<= ULTIMATE.start_main_~i~4 60), 5250#(<= ULTIMATE.start_main_~i~4 62), 5251#(<= ULTIMATE.start_main_~i~4 64), 5252#(<= ULTIMATE.start_main_~i~4 66), 5253#(<= ULTIMATE.start_main_~i~4 68), 5254#(<= ULTIMATE.start_main_~i~4 70), 5255#(<= ULTIMATE.start_main_~i~4 72), 5256#(<= ULTIMATE.start_main_~i~4 74), 5257#(<= ULTIMATE.start_main_~i~4 76), 5258#(<= ULTIMATE.start_main_~i~4 78), 5259#(<= ULTIMATE.start_main_~i~4 80), 5260#(<= ULTIMATE.start_main_~i~4 82), 5217#true, 5218#false, 5219#(<= ULTIMATE.start_main_~i~4 0), 5220#(<= ULTIMATE.start_main_~i~4 2), 5221#(<= ULTIMATE.start_main_~i~4 4), 5222#(<= ULTIMATE.start_main_~i~4 6), 5223#(<= ULTIMATE.start_main_~i~4 8), 5224#(<= ULTIMATE.start_main_~i~4 10), 5225#(<= ULTIMATE.start_main_~i~4 12), 5226#(<= ULTIMATE.start_main_~i~4 14), 5227#(<= ULTIMATE.start_main_~i~4 16), 5228#(<= ULTIMATE.start_main_~i~4 18), 5229#(<= ULTIMATE.start_main_~i~4 20), 5230#(<= ULTIMATE.start_main_~i~4 22), 5231#(<= ULTIMATE.start_main_~i~4 24), 5232#(<= ULTIMATE.start_main_~i~4 26), 5233#(<= ULTIMATE.start_main_~i~4 28), 5234#(<= ULTIMATE.start_main_~i~4 30), 5235#(<= ULTIMATE.start_main_~i~4 32), 5236#(<= ULTIMATE.start_main_~i~4 34), 5237#(<= ULTIMATE.start_main_~i~4 36), 5238#(<= ULTIMATE.start_main_~i~4 38), 5239#(<= ULTIMATE.start_main_~i~4 40), 5240#(<= ULTIMATE.start_main_~i~4 42), 5241#(<= ULTIMATE.start_main_~i~4 44), 5242#(<= ULTIMATE.start_main_~i~4 46), 5243#(<= ULTIMATE.start_main_~i~4 48), 5244#(<= ULTIMATE.start_main_~i~4 50), 5245#(<= ULTIMATE.start_main_~i~4 52), 5246#(<= ULTIMATE.start_main_~i~4 54), 5247#(<= ULTIMATE.start_main_~i~4 56)] [2018-07-23 13:37:34,407 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 13:37:34,408 INFO L450 AbstractCegarLoop]: Interpolant automaton has 44 states [2018-07-23 13:37:34,408 INFO L132 InterpolantAutomaton]: Constructing interpolant automaton starting with 44 interpolants. [2018-07-23 13:37:34,409 INFO L133 InterpolantAutomaton]: CoverageRelationStatistics Valid=946, Invalid=946, Unknown=0, NotChecked=0, Total=1892 [2018-07-23 13:37:34,409 INFO L87 Difference]: Start difference. First operand 45 states and 45 transitions. Second operand 44 states. [2018-07-23 13:37:34,426 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2018-07-23 13:37:34,426 INFO L93 Difference]: Finished difference Result 48 states and 48 transitions. [2018-07-23 13:37:34,426 INFO L142 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 44 states. [2018-07-23 13:37:34,427 INFO L78 Accepts]: Start accepts. Automaton has 44 states. Word has length 44 [2018-07-23 13:37:34,427 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2018-07-23 13:37:34,427 INFO L225 Difference]: With dead ends: 48 [2018-07-23 13:37:34,427 INFO L226 Difference]: Without dead ends: 46 [2018-07-23 13:37:34,429 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 13:37:34,429 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 46 states. [2018-07-23 13:37:34,430 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 46 to 46. [2018-07-23 13:37:34,430 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 46 states. [2018-07-23 13:37:34,431 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 46 states to 46 states and 46 transitions. [2018-07-23 13:37:34,431 INFO L78 Accepts]: Start accepts. Automaton has 46 states and 46 transitions. Word has length 44 [2018-07-23 13:37:34,432 INFO L84 Accepts]: Finished accepts. word is rejected. [2018-07-23 13:37:34,432 INFO L471 AbstractCegarLoop]: Abstraction has 46 states and 46 transitions. [2018-07-23 13:37:34,432 INFO L472 AbstractCegarLoop]: Interpolant automaton has 44 states. [2018-07-23 13:37:34,432 INFO L276 IsEmpty]: Start isEmpty. Operand 46 states and 46 transitions. [2018-07-23 13:37:34,432 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 46 [2018-07-23 13:37:34,433 INFO L349 BasicCegarLoop]: Found error trace [2018-07-23 13:37:34,433 INFO L357 BasicCegarLoop]: trace histogram [42, 1, 1, 1] [2018-07-23 13:37:34,433 INFO L414 AbstractCegarLoop]: === Iteration 43 === [ULTIMATE.startErr0AssertViolationASSERT]=== [2018-07-23 13:37:34,433 INFO L82 PathProgramCache]: Analyzing trace with hash 1396507553, now seen corresponding path program 42 times [2018-07-23 13:37:34,433 INFO L69 tionRefinementEngine]: Using refinement strategy FixedRefinementStrategy [2018-07-23 13:37:34,443 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-07-23 13:37:34,592 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 13:37:34,592 INFO L309 seRefinementStrategy]: Constructing automaton from 0 perfect and 1 imperfect interpolant sequences. [2018-07-23 13:37:34,592 INFO L324 seRefinementStrategy]: Number of different interpolants: perfect sequences [] imperfect sequences [44] total 44 [2018-07-23 13:37:34,593 INFO L142 lantAutomatonBuilder]: Constructing canonical interpolant automaton, with selfloop in false state [2018-07-23 13:37:34,593 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 13:37:34,593 INFO L185 omatonBuilderFactory]: Interpolants [5449#true, 5450#false, 5451#(<= ULTIMATE.start_main_~i~4 0), 5452#(<= ULTIMATE.start_main_~i~4 2), 5453#(<= ULTIMATE.start_main_~i~4 4), 5454#(<= ULTIMATE.start_main_~i~4 6), 5455#(<= ULTIMATE.start_main_~i~4 8), 5456#(<= ULTIMATE.start_main_~i~4 10), 5457#(<= ULTIMATE.start_main_~i~4 12), 5458#(<= ULTIMATE.start_main_~i~4 14), 5459#(<= ULTIMATE.start_main_~i~4 16), 5460#(<= ULTIMATE.start_main_~i~4 18), 5461#(<= ULTIMATE.start_main_~i~4 20), 5462#(<= ULTIMATE.start_main_~i~4 22), 5463#(<= ULTIMATE.start_main_~i~4 24), 5464#(<= ULTIMATE.start_main_~i~4 26), 5465#(<= ULTIMATE.start_main_~i~4 28), 5466#(<= ULTIMATE.start_main_~i~4 30), 5467#(<= ULTIMATE.start_main_~i~4 32), 5468#(<= ULTIMATE.start_main_~i~4 34), 5469#(<= ULTIMATE.start_main_~i~4 36), 5470#(<= ULTIMATE.start_main_~i~4 38), 5471#(<= ULTIMATE.start_main_~i~4 40), 5472#(<= ULTIMATE.start_main_~i~4 42), 5473#(<= ULTIMATE.start_main_~i~4 44), 5474#(<= ULTIMATE.start_main_~i~4 46), 5475#(<= ULTIMATE.start_main_~i~4 48), 5476#(<= ULTIMATE.start_main_~i~4 50), 5477#(<= ULTIMATE.start_main_~i~4 52), 5478#(<= ULTIMATE.start_main_~i~4 54), 5479#(<= ULTIMATE.start_main_~i~4 56), 5480#(<= ULTIMATE.start_main_~i~4 58), 5481#(<= ULTIMATE.start_main_~i~4 60), 5482#(<= ULTIMATE.start_main_~i~4 62), 5483#(<= ULTIMATE.start_main_~i~4 64), 5484#(<= ULTIMATE.start_main_~i~4 66), 5485#(<= ULTIMATE.start_main_~i~4 68), 5486#(<= ULTIMATE.start_main_~i~4 70), 5487#(<= ULTIMATE.start_main_~i~4 72), 5488#(<= ULTIMATE.start_main_~i~4 74), 5489#(<= ULTIMATE.start_main_~i~4 76), 5490#(<= ULTIMATE.start_main_~i~4 78), 5491#(<= ULTIMATE.start_main_~i~4 80), 5492#(<= ULTIMATE.start_main_~i~4 82), 5493#(<= ULTIMATE.start_main_~i~4 84)] [2018-07-23 13:37:34,594 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 13:37:34,594 INFO L450 AbstractCegarLoop]: Interpolant automaton has 45 states [2018-07-23 13:37:34,594 INFO L132 InterpolantAutomaton]: Constructing interpolant automaton starting with 45 interpolants. [2018-07-23 13:37:34,595 INFO L133 InterpolantAutomaton]: CoverageRelationStatistics Valid=990, Invalid=990, Unknown=0, NotChecked=0, Total=1980 [2018-07-23 13:37:34,595 INFO L87 Difference]: Start difference. First operand 46 states and 46 transitions. Second operand 45 states. [2018-07-23 13:37:34,620 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2018-07-23 13:37:34,620 INFO L93 Difference]: Finished difference Result 49 states and 49 transitions. [2018-07-23 13:37:34,620 INFO L142 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 45 states. [2018-07-23 13:37:34,620 INFO L78 Accepts]: Start accepts. Automaton has 45 states. Word has length 45 [2018-07-23 13:37:34,620 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2018-07-23 13:37:34,621 INFO L225 Difference]: With dead ends: 49 [2018-07-23 13:37:34,621 INFO L226 Difference]: Without dead ends: 47 [2018-07-23 13:37:34,622 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 13:37:34,622 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 47 states. [2018-07-23 13:37:34,624 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 47 to 47. [2018-07-23 13:37:34,624 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 47 states. [2018-07-23 13:37:34,624 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 47 states to 47 states and 47 transitions. [2018-07-23 13:37:34,625 INFO L78 Accepts]: Start accepts. Automaton has 47 states and 47 transitions. Word has length 45 [2018-07-23 13:37:34,625 INFO L84 Accepts]: Finished accepts. word is rejected. [2018-07-23 13:37:34,625 INFO L471 AbstractCegarLoop]: Abstraction has 47 states and 47 transitions. [2018-07-23 13:37:34,625 INFO L472 AbstractCegarLoop]: Interpolant automaton has 45 states. [2018-07-23 13:37:34,625 INFO L276 IsEmpty]: Start isEmpty. Operand 47 states and 47 transitions. [2018-07-23 13:37:34,625 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 47 [2018-07-23 13:37:34,626 INFO L349 BasicCegarLoop]: Found error trace [2018-07-23 13:37:34,626 INFO L357 BasicCegarLoop]: trace histogram [43, 1, 1, 1] [2018-07-23 13:37:34,626 INFO L414 AbstractCegarLoop]: === Iteration 44 === [ULTIMATE.startErr0AssertViolationASSERT]=== [2018-07-23 13:37:34,626 INFO L82 PathProgramCache]: Analyzing trace with hash 342059208, now seen corresponding path program 43 times [2018-07-23 13:37:34,626 INFO L69 tionRefinementEngine]: Using refinement strategy FixedRefinementStrategy [2018-07-23 13:37:34,636 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-07-23 13:37:34,781 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 13:37:34,782 INFO L309 seRefinementStrategy]: Constructing automaton from 0 perfect and 1 imperfect interpolant sequences. [2018-07-23 13:37:34,782 INFO L324 seRefinementStrategy]: Number of different interpolants: perfect sequences [] imperfect sequences [45] total 45 [2018-07-23 13:37:34,782 INFO L142 lantAutomatonBuilder]: Constructing canonical interpolant automaton, with selfloop in false state [2018-07-23 13:37:34,782 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2018-07-23 13:37:34,783 INFO L185 omatonBuilderFactory]: Interpolants [5696#(<= ULTIMATE.start_main_~i~4 16), 5697#(<= ULTIMATE.start_main_~i~4 18), 5698#(<= ULTIMATE.start_main_~i~4 20), 5699#(<= ULTIMATE.start_main_~i~4 22), 5700#(<= ULTIMATE.start_main_~i~4 24), 5701#(<= ULTIMATE.start_main_~i~4 26), 5702#(<= ULTIMATE.start_main_~i~4 28), 5703#(<= ULTIMATE.start_main_~i~4 30), 5704#(<= ULTIMATE.start_main_~i~4 32), 5705#(<= ULTIMATE.start_main_~i~4 34), 5706#(<= ULTIMATE.start_main_~i~4 36), 5707#(<= ULTIMATE.start_main_~i~4 38), 5708#(<= ULTIMATE.start_main_~i~4 40), 5709#(<= ULTIMATE.start_main_~i~4 42), 5710#(<= ULTIMATE.start_main_~i~4 44), 5711#(<= ULTIMATE.start_main_~i~4 46), 5712#(<= ULTIMATE.start_main_~i~4 48), 5713#(<= ULTIMATE.start_main_~i~4 50), 5714#(<= ULTIMATE.start_main_~i~4 52), 5715#(<= ULTIMATE.start_main_~i~4 54), 5716#(<= ULTIMATE.start_main_~i~4 56), 5717#(<= ULTIMATE.start_main_~i~4 58), 5718#(<= ULTIMATE.start_main_~i~4 60), 5719#(<= ULTIMATE.start_main_~i~4 62), 5720#(<= ULTIMATE.start_main_~i~4 64), 5721#(<= ULTIMATE.start_main_~i~4 66), 5722#(<= ULTIMATE.start_main_~i~4 68), 5723#(<= ULTIMATE.start_main_~i~4 70), 5724#(<= ULTIMATE.start_main_~i~4 72), 5725#(<= ULTIMATE.start_main_~i~4 74), 5726#(<= ULTIMATE.start_main_~i~4 76), 5727#(<= ULTIMATE.start_main_~i~4 78), 5728#(<= ULTIMATE.start_main_~i~4 80), 5729#(<= ULTIMATE.start_main_~i~4 82), 5730#(<= ULTIMATE.start_main_~i~4 84), 5731#(<= ULTIMATE.start_main_~i~4 86), 5686#true, 5687#false, 5688#(<= ULTIMATE.start_main_~i~4 0), 5689#(<= ULTIMATE.start_main_~i~4 2), 5690#(<= ULTIMATE.start_main_~i~4 4), 5691#(<= ULTIMATE.start_main_~i~4 6), 5692#(<= ULTIMATE.start_main_~i~4 8), 5693#(<= ULTIMATE.start_main_~i~4 10), 5694#(<= ULTIMATE.start_main_~i~4 12), 5695#(<= ULTIMATE.start_main_~i~4 14)] [2018-07-23 13:37:34,783 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 13:37:34,783 INFO L450 AbstractCegarLoop]: Interpolant automaton has 46 states [2018-07-23 13:37:34,784 INFO L132 InterpolantAutomaton]: Constructing interpolant automaton starting with 46 interpolants. [2018-07-23 13:37:34,785 INFO L133 InterpolantAutomaton]: CoverageRelationStatistics Valid=1035, Invalid=1035, Unknown=0, NotChecked=0, Total=2070 [2018-07-23 13:37:34,785 INFO L87 Difference]: Start difference. First operand 47 states and 47 transitions. Second operand 46 states. [2018-07-23 13:37:34,808 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2018-07-23 13:37:34,808 INFO L93 Difference]: Finished difference Result 50 states and 50 transitions. [2018-07-23 13:37:34,808 INFO L142 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 46 states. [2018-07-23 13:37:34,808 INFO L78 Accepts]: Start accepts. Automaton has 46 states. Word has length 46 [2018-07-23 13:37:34,808 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2018-07-23 13:37:34,809 INFO L225 Difference]: With dead ends: 50 [2018-07-23 13:37:34,809 INFO L226 Difference]: Without dead ends: 48 [2018-07-23 13:37:34,810 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 13:37:34,810 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 48 states. [2018-07-23 13:37:34,812 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 48 to 48. [2018-07-23 13:37:34,812 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 48 states. [2018-07-23 13:37:34,813 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 48 states to 48 states and 48 transitions. [2018-07-23 13:37:34,813 INFO L78 Accepts]: Start accepts. Automaton has 48 states and 48 transitions. Word has length 46 [2018-07-23 13:37:34,813 INFO L84 Accepts]: Finished accepts. word is rejected. [2018-07-23 13:37:34,813 INFO L471 AbstractCegarLoop]: Abstraction has 48 states and 48 transitions. [2018-07-23 13:37:34,813 INFO L472 AbstractCegarLoop]: Interpolant automaton has 46 states. [2018-07-23 13:37:34,813 INFO L276 IsEmpty]: Start isEmpty. Operand 48 states and 48 transitions. [2018-07-23 13:37:34,814 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 48 [2018-07-23 13:37:34,814 INFO L349 BasicCegarLoop]: Found error trace [2018-07-23 13:37:34,814 INFO L357 BasicCegarLoop]: trace histogram [44, 1, 1, 1] [2018-07-23 13:37:34,814 INFO L414 AbstractCegarLoop]: === Iteration 45 === [ULTIMATE.startErr0AssertViolationASSERT]=== [2018-07-23 13:37:34,814 INFO L82 PathProgramCache]: Analyzing trace with hash 2013898881, now seen corresponding path program 44 times [2018-07-23 13:37:34,815 INFO L69 tionRefinementEngine]: Using refinement strategy FixedRefinementStrategy [2018-07-23 13:37:34,826 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-07-23 13:37:34,999 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 13:37:35,000 INFO L309 seRefinementStrategy]: Constructing automaton from 0 perfect and 1 imperfect interpolant sequences. [2018-07-23 13:37:35,000 INFO L324 seRefinementStrategy]: Number of different interpolants: perfect sequences [] imperfect sequences [46] total 46 [2018-07-23 13:37:35,000 INFO L142 lantAutomatonBuilder]: Constructing canonical interpolant automaton, with selfloop in false state [2018-07-23 13:37:35,001 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 13:37:35,001 INFO L185 omatonBuilderFactory]: Interpolants [5952#(<= ULTIMATE.start_main_~i~4 44), 5953#(<= ULTIMATE.start_main_~i~4 46), 5954#(<= ULTIMATE.start_main_~i~4 48), 5955#(<= ULTIMATE.start_main_~i~4 50), 5956#(<= ULTIMATE.start_main_~i~4 52), 5957#(<= ULTIMATE.start_main_~i~4 54), 5958#(<= ULTIMATE.start_main_~i~4 56), 5959#(<= ULTIMATE.start_main_~i~4 58), 5960#(<= ULTIMATE.start_main_~i~4 60), 5961#(<= ULTIMATE.start_main_~i~4 62), 5962#(<= ULTIMATE.start_main_~i~4 64), 5963#(<= ULTIMATE.start_main_~i~4 66), 5964#(<= ULTIMATE.start_main_~i~4 68), 5965#(<= ULTIMATE.start_main_~i~4 70), 5966#(<= ULTIMATE.start_main_~i~4 72), 5967#(<= ULTIMATE.start_main_~i~4 74), 5968#(<= ULTIMATE.start_main_~i~4 76), 5969#(<= ULTIMATE.start_main_~i~4 78), 5970#(<= ULTIMATE.start_main_~i~4 80), 5971#(<= ULTIMATE.start_main_~i~4 82), 5972#(<= ULTIMATE.start_main_~i~4 84), 5973#(<= ULTIMATE.start_main_~i~4 86), 5974#(<= ULTIMATE.start_main_~i~4 88), 5928#true, 5929#false, 5930#(<= ULTIMATE.start_main_~i~4 0), 5931#(<= ULTIMATE.start_main_~i~4 2), 5932#(<= ULTIMATE.start_main_~i~4 4), 5933#(<= ULTIMATE.start_main_~i~4 6), 5934#(<= ULTIMATE.start_main_~i~4 8), 5935#(<= ULTIMATE.start_main_~i~4 10), 5936#(<= ULTIMATE.start_main_~i~4 12), 5937#(<= ULTIMATE.start_main_~i~4 14), 5938#(<= ULTIMATE.start_main_~i~4 16), 5939#(<= ULTIMATE.start_main_~i~4 18), 5940#(<= ULTIMATE.start_main_~i~4 20), 5941#(<= ULTIMATE.start_main_~i~4 22), 5942#(<= ULTIMATE.start_main_~i~4 24), 5943#(<= ULTIMATE.start_main_~i~4 26), 5944#(<= ULTIMATE.start_main_~i~4 28), 5945#(<= ULTIMATE.start_main_~i~4 30), 5946#(<= ULTIMATE.start_main_~i~4 32), 5947#(<= ULTIMATE.start_main_~i~4 34), 5948#(<= ULTIMATE.start_main_~i~4 36), 5949#(<= ULTIMATE.start_main_~i~4 38), 5950#(<= ULTIMATE.start_main_~i~4 40), 5951#(<= ULTIMATE.start_main_~i~4 42)] [2018-07-23 13:37:35,001 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 13:37:35,002 INFO L450 AbstractCegarLoop]: Interpolant automaton has 47 states [2018-07-23 13:37:35,002 INFO L132 InterpolantAutomaton]: Constructing interpolant automaton starting with 47 interpolants. [2018-07-23 13:37:35,003 INFO L133 InterpolantAutomaton]: CoverageRelationStatistics Valid=1081, Invalid=1081, Unknown=0, NotChecked=0, Total=2162 [2018-07-23 13:37:35,003 INFO L87 Difference]: Start difference. First operand 48 states and 48 transitions. Second operand 47 states. [2018-07-23 13:37:35,024 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2018-07-23 13:37:35,024 INFO L93 Difference]: Finished difference Result 51 states and 51 transitions. [2018-07-23 13:37:35,024 INFO L142 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 47 states. [2018-07-23 13:37:35,025 INFO L78 Accepts]: Start accepts. Automaton has 47 states. Word has length 47 [2018-07-23 13:37:35,025 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2018-07-23 13:37:35,025 INFO L225 Difference]: With dead ends: 51 [2018-07-23 13:37:35,025 INFO L226 Difference]: Without dead ends: 49 [2018-07-23 13:37:35,026 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 13:37:35,027 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 49 states. [2018-07-23 13:37:35,028 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 49 to 49. [2018-07-23 13:37:35,029 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 49 states. [2018-07-23 13:37:35,029 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 49 states to 49 states and 49 transitions. [2018-07-23 13:37:35,029 INFO L78 Accepts]: Start accepts. Automaton has 49 states and 49 transitions. Word has length 47 [2018-07-23 13:37:35,029 INFO L84 Accepts]: Finished accepts. word is rejected. [2018-07-23 13:37:35,030 INFO L471 AbstractCegarLoop]: Abstraction has 49 states and 49 transitions. [2018-07-23 13:37:35,030 INFO L472 AbstractCegarLoop]: Interpolant automaton has 47 states. [2018-07-23 13:37:35,030 INFO L276 IsEmpty]: Start isEmpty. Operand 49 states and 49 transitions. [2018-07-23 13:37:35,030 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 49 [2018-07-23 13:37:35,030 INFO L349 BasicCegarLoop]: Found error trace [2018-07-23 13:37:35,030 INFO L357 BasicCegarLoop]: trace histogram [45, 1, 1, 1] [2018-07-23 13:37:35,031 INFO L414 AbstractCegarLoop]: === Iteration 46 === [ULTIMATE.startErr0AssertViolationASSERT]=== [2018-07-23 13:37:35,031 INFO L82 PathProgramCache]: Analyzing trace with hash -1993646104, now seen corresponding path program 45 times [2018-07-23 13:37:35,031 INFO L69 tionRefinementEngine]: Using refinement strategy FixedRefinementStrategy [2018-07-23 13:37:35,043 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-07-23 13:37:35,242 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 13:37:35,243 INFO L309 seRefinementStrategy]: Constructing automaton from 0 perfect and 1 imperfect interpolant sequences. [2018-07-23 13:37:35,243 INFO L324 seRefinementStrategy]: Number of different interpolants: perfect sequences [] imperfect sequences [47] total 47 [2018-07-23 13:37:35,243 INFO L142 lantAutomatonBuilder]: Constructing canonical interpolant automaton, with selfloop in false state [2018-07-23 13:37:35,243 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2018-07-23 13:37:35,244 INFO L185 omatonBuilderFactory]: Interpolants [6208#(<= ULTIMATE.start_main_~i~4 62), 6209#(<= ULTIMATE.start_main_~i~4 64), 6210#(<= ULTIMATE.start_main_~i~4 66), 6211#(<= ULTIMATE.start_main_~i~4 68), 6212#(<= ULTIMATE.start_main_~i~4 70), 6213#(<= ULTIMATE.start_main_~i~4 72), 6214#(<= ULTIMATE.start_main_~i~4 74), 6215#(<= ULTIMATE.start_main_~i~4 76), 6216#(<= ULTIMATE.start_main_~i~4 78), 6217#(<= ULTIMATE.start_main_~i~4 80), 6218#(<= ULTIMATE.start_main_~i~4 82), 6219#(<= ULTIMATE.start_main_~i~4 84), 6220#(<= ULTIMATE.start_main_~i~4 86), 6221#(<= ULTIMATE.start_main_~i~4 88), 6222#(<= ULTIMATE.start_main_~i~4 90), 6175#true, 6176#false, 6177#(<= ULTIMATE.start_main_~i~4 0), 6178#(<= ULTIMATE.start_main_~i~4 2), 6179#(<= ULTIMATE.start_main_~i~4 4), 6180#(<= ULTIMATE.start_main_~i~4 6), 6181#(<= ULTIMATE.start_main_~i~4 8), 6182#(<= ULTIMATE.start_main_~i~4 10), 6183#(<= ULTIMATE.start_main_~i~4 12), 6184#(<= ULTIMATE.start_main_~i~4 14), 6185#(<= ULTIMATE.start_main_~i~4 16), 6186#(<= ULTIMATE.start_main_~i~4 18), 6187#(<= ULTIMATE.start_main_~i~4 20), 6188#(<= ULTIMATE.start_main_~i~4 22), 6189#(<= ULTIMATE.start_main_~i~4 24), 6190#(<= ULTIMATE.start_main_~i~4 26), 6191#(<= ULTIMATE.start_main_~i~4 28), 6192#(<= ULTIMATE.start_main_~i~4 30), 6193#(<= ULTIMATE.start_main_~i~4 32), 6194#(<= ULTIMATE.start_main_~i~4 34), 6195#(<= ULTIMATE.start_main_~i~4 36), 6196#(<= ULTIMATE.start_main_~i~4 38), 6197#(<= ULTIMATE.start_main_~i~4 40), 6198#(<= ULTIMATE.start_main_~i~4 42), 6199#(<= ULTIMATE.start_main_~i~4 44), 6200#(<= ULTIMATE.start_main_~i~4 46), 6201#(<= ULTIMATE.start_main_~i~4 48), 6202#(<= ULTIMATE.start_main_~i~4 50), 6203#(<= ULTIMATE.start_main_~i~4 52), 6204#(<= ULTIMATE.start_main_~i~4 54), 6205#(<= ULTIMATE.start_main_~i~4 56), 6206#(<= ULTIMATE.start_main_~i~4 58), 6207#(<= ULTIMATE.start_main_~i~4 60)] [2018-07-23 13:37:35,244 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 13:37:35,244 INFO L450 AbstractCegarLoop]: Interpolant automaton has 48 states [2018-07-23 13:37:35,245 INFO L132 InterpolantAutomaton]: Constructing interpolant automaton starting with 48 interpolants. [2018-07-23 13:37:35,245 INFO L133 InterpolantAutomaton]: CoverageRelationStatistics Valid=1128, Invalid=1128, Unknown=0, NotChecked=0, Total=2256 [2018-07-23 13:37:35,246 INFO L87 Difference]: Start difference. First operand 49 states and 49 transitions. Second operand 48 states. [2018-07-23 13:37:35,264 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2018-07-23 13:37:35,264 INFO L93 Difference]: Finished difference Result 52 states and 52 transitions. [2018-07-23 13:37:35,264 INFO L142 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 48 states. [2018-07-23 13:37:35,264 INFO L78 Accepts]: Start accepts. Automaton has 48 states. Word has length 48 [2018-07-23 13:37:35,264 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2018-07-23 13:37:35,265 INFO L225 Difference]: With dead ends: 52 [2018-07-23 13:37:35,265 INFO L226 Difference]: Without dead ends: 50 [2018-07-23 13:37:35,266 INFO L575 BasicCegarLoop]: 0 DeclaredPredicates, 47 GetRequests, 1 SyntacticMatches, 0 SemanticMatches, 46 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 0 ImplicationChecksByTransitivity, 0.1s TimeCoverageRelationStatistics Valid=1128, Invalid=1128, Unknown=0, NotChecked=0, Total=2256 [2018-07-23 13:37:35,266 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 50 states. [2018-07-23 13:37:35,267 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 50 to 50. [2018-07-23 13:37:35,267 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 50 states. [2018-07-23 13:37:35,268 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 50 states to 50 states and 50 transitions. [2018-07-23 13:37:35,268 INFO L78 Accepts]: Start accepts. Automaton has 50 states and 50 transitions. Word has length 48 [2018-07-23 13:37:35,268 INFO L84 Accepts]: Finished accepts. word is rejected. [2018-07-23 13:37:35,268 INFO L471 AbstractCegarLoop]: Abstraction has 50 states and 50 transitions. [2018-07-23 13:37:35,268 INFO L472 AbstractCegarLoop]: Interpolant automaton has 48 states. [2018-07-23 13:37:35,269 INFO L276 IsEmpty]: Start isEmpty. Operand 50 states and 50 transitions. [2018-07-23 13:37:35,269 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 50 [2018-07-23 13:37:35,269 INFO L349 BasicCegarLoop]: Found error trace [2018-07-23 13:37:35,269 INFO L357 BasicCegarLoop]: trace histogram [46, 1, 1, 1] [2018-07-23 13:37:35,269 INFO L414 AbstractCegarLoop]: === Iteration 47 === [ULTIMATE.startErr0AssertViolationASSERT]=== [2018-07-23 13:37:35,270 INFO L82 PathProgramCache]: Analyzing trace with hash -1673489055, now seen corresponding path program 46 times [2018-07-23 13:37:35,270 INFO L69 tionRefinementEngine]: Using refinement strategy FixedRefinementStrategy [2018-07-23 13:37:35,280 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-07-23 13:37:35,422 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 13:37:35,422 INFO L309 seRefinementStrategy]: Constructing automaton from 0 perfect and 1 imperfect interpolant sequences. [2018-07-23 13:37:35,422 INFO L324 seRefinementStrategy]: Number of different interpolants: perfect sequences [] imperfect sequences [48] total 48 [2018-07-23 13:37:35,422 INFO L142 lantAutomatonBuilder]: Constructing canonical interpolant automaton, with selfloop in false state [2018-07-23 13:37:35,423 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 13:37:35,423 INFO L185 omatonBuilderFactory]: Interpolants [6427#true, 6428#false, 6429#(<= ULTIMATE.start_main_~i~4 0), 6430#(<= ULTIMATE.start_main_~i~4 2), 6431#(<= ULTIMATE.start_main_~i~4 4), 6432#(<= ULTIMATE.start_main_~i~4 6), 6433#(<= ULTIMATE.start_main_~i~4 8), 6434#(<= ULTIMATE.start_main_~i~4 10), 6435#(<= ULTIMATE.start_main_~i~4 12), 6436#(<= ULTIMATE.start_main_~i~4 14), 6437#(<= ULTIMATE.start_main_~i~4 16), 6438#(<= ULTIMATE.start_main_~i~4 18), 6439#(<= ULTIMATE.start_main_~i~4 20), 6440#(<= ULTIMATE.start_main_~i~4 22), 6441#(<= ULTIMATE.start_main_~i~4 24), 6442#(<= ULTIMATE.start_main_~i~4 26), 6443#(<= ULTIMATE.start_main_~i~4 28), 6444#(<= ULTIMATE.start_main_~i~4 30), 6445#(<= ULTIMATE.start_main_~i~4 32), 6446#(<= ULTIMATE.start_main_~i~4 34), 6447#(<= ULTIMATE.start_main_~i~4 36), 6448#(<= ULTIMATE.start_main_~i~4 38), 6449#(<= ULTIMATE.start_main_~i~4 40), 6450#(<= ULTIMATE.start_main_~i~4 42), 6451#(<= ULTIMATE.start_main_~i~4 44), 6452#(<= ULTIMATE.start_main_~i~4 46), 6453#(<= ULTIMATE.start_main_~i~4 48), 6454#(<= ULTIMATE.start_main_~i~4 50), 6455#(<= ULTIMATE.start_main_~i~4 52), 6456#(<= ULTIMATE.start_main_~i~4 54), 6457#(<= ULTIMATE.start_main_~i~4 56), 6458#(<= ULTIMATE.start_main_~i~4 58), 6459#(<= ULTIMATE.start_main_~i~4 60), 6460#(<= ULTIMATE.start_main_~i~4 62), 6461#(<= ULTIMATE.start_main_~i~4 64), 6462#(<= ULTIMATE.start_main_~i~4 66), 6463#(<= ULTIMATE.start_main_~i~4 68), 6464#(<= ULTIMATE.start_main_~i~4 70), 6465#(<= ULTIMATE.start_main_~i~4 72), 6466#(<= ULTIMATE.start_main_~i~4 74), 6467#(<= ULTIMATE.start_main_~i~4 76), 6468#(<= ULTIMATE.start_main_~i~4 78), 6469#(<= ULTIMATE.start_main_~i~4 80), 6470#(<= ULTIMATE.start_main_~i~4 82), 6471#(<= ULTIMATE.start_main_~i~4 84), 6472#(<= ULTIMATE.start_main_~i~4 86), 6473#(<= ULTIMATE.start_main_~i~4 88), 6474#(<= ULTIMATE.start_main_~i~4 90), 6475#(<= ULTIMATE.start_main_~i~4 92)] [2018-07-23 13:37:35,423 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 13:37:35,424 INFO L450 AbstractCegarLoop]: Interpolant automaton has 49 states [2018-07-23 13:37:35,424 INFO L132 InterpolantAutomaton]: Constructing interpolant automaton starting with 49 interpolants. [2018-07-23 13:37:35,425 INFO L133 InterpolantAutomaton]: CoverageRelationStatistics Valid=1176, Invalid=1176, Unknown=0, NotChecked=0, Total=2352 [2018-07-23 13:37:35,425 INFO L87 Difference]: Start difference. First operand 50 states and 50 transitions. Second operand 49 states. [2018-07-23 13:37:35,445 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2018-07-23 13:37:35,445 INFO L93 Difference]: Finished difference Result 53 states and 53 transitions. [2018-07-23 13:37:35,445 INFO L142 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 49 states. [2018-07-23 13:37:35,446 INFO L78 Accepts]: Start accepts. Automaton has 49 states. Word has length 49 [2018-07-23 13:37:35,446 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2018-07-23 13:37:35,446 INFO L225 Difference]: With dead ends: 53 [2018-07-23 13:37:35,446 INFO L226 Difference]: Without dead ends: 51 [2018-07-23 13:37:35,447 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 13:37:35,448 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 51 states. [2018-07-23 13:37:35,449 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 51 to 51. [2018-07-23 13:37:35,449 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 51 states. [2018-07-23 13:37:35,450 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 51 states to 51 states and 51 transitions. [2018-07-23 13:37:35,450 INFO L78 Accepts]: Start accepts. Automaton has 51 states and 51 transitions. Word has length 49 [2018-07-23 13:37:35,450 INFO L84 Accepts]: Finished accepts. word is rejected. [2018-07-23 13:37:35,450 INFO L471 AbstractCegarLoop]: Abstraction has 51 states and 51 transitions. [2018-07-23 13:37:35,450 INFO L472 AbstractCegarLoop]: Interpolant automaton has 49 states. [2018-07-23 13:37:35,450 INFO L276 IsEmpty]: Start isEmpty. Operand 51 states and 51 transitions. [2018-07-23 13:37:35,451 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 51 [2018-07-23 13:37:35,452 INFO L349 BasicCegarLoop]: Found error trace [2018-07-23 13:37:35,452 INFO L357 BasicCegarLoop]: trace histogram [47, 1, 1, 1] [2018-07-23 13:37:35,452 INFO L414 AbstractCegarLoop]: === Iteration 48 === [ULTIMATE.startErr0AssertViolationASSERT]=== [2018-07-23 13:37:35,452 INFO L82 PathProgramCache]: Analyzing trace with hash -338555128, now seen corresponding path program 47 times [2018-07-23 13:37:35,452 INFO L69 tionRefinementEngine]: Using refinement strategy FixedRefinementStrategy [2018-07-23 13:37:35,463 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-07-23 13:37:35,608 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 13:37:35,609 INFO L309 seRefinementStrategy]: Constructing automaton from 0 perfect and 1 imperfect interpolant sequences. [2018-07-23 13:37:35,609 INFO L324 seRefinementStrategy]: Number of different interpolants: perfect sequences [] imperfect sequences [49] total 49 [2018-07-23 13:37:35,609 INFO L142 lantAutomatonBuilder]: Constructing canonical interpolant automaton, with selfloop in false state [2018-07-23 13:37:35,609 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2018-07-23 13:37:35,609 INFO L185 omatonBuilderFactory]: Interpolants [6684#true, 6685#false, 6686#(<= ULTIMATE.start_main_~i~4 0), 6687#(<= ULTIMATE.start_main_~i~4 2), 6688#(<= ULTIMATE.start_main_~i~4 4), 6689#(<= ULTIMATE.start_main_~i~4 6), 6690#(<= ULTIMATE.start_main_~i~4 8), 6691#(<= ULTIMATE.start_main_~i~4 10), 6692#(<= ULTIMATE.start_main_~i~4 12), 6693#(<= ULTIMATE.start_main_~i~4 14), 6694#(<= ULTIMATE.start_main_~i~4 16), 6695#(<= ULTIMATE.start_main_~i~4 18), 6696#(<= ULTIMATE.start_main_~i~4 20), 6697#(<= ULTIMATE.start_main_~i~4 22), 6698#(<= ULTIMATE.start_main_~i~4 24), 6699#(<= ULTIMATE.start_main_~i~4 26), 6700#(<= ULTIMATE.start_main_~i~4 28), 6701#(<= ULTIMATE.start_main_~i~4 30), 6702#(<= ULTIMATE.start_main_~i~4 32), 6703#(<= ULTIMATE.start_main_~i~4 34), 6704#(<= ULTIMATE.start_main_~i~4 36), 6705#(<= ULTIMATE.start_main_~i~4 38), 6706#(<= ULTIMATE.start_main_~i~4 40), 6707#(<= ULTIMATE.start_main_~i~4 42), 6708#(<= ULTIMATE.start_main_~i~4 44), 6709#(<= ULTIMATE.start_main_~i~4 46), 6710#(<= ULTIMATE.start_main_~i~4 48), 6711#(<= ULTIMATE.start_main_~i~4 50), 6712#(<= ULTIMATE.start_main_~i~4 52), 6713#(<= ULTIMATE.start_main_~i~4 54), 6714#(<= ULTIMATE.start_main_~i~4 56), 6715#(<= ULTIMATE.start_main_~i~4 58), 6716#(<= ULTIMATE.start_main_~i~4 60), 6717#(<= ULTIMATE.start_main_~i~4 62), 6718#(<= ULTIMATE.start_main_~i~4 64), 6719#(<= ULTIMATE.start_main_~i~4 66), 6720#(<= ULTIMATE.start_main_~i~4 68), 6721#(<= ULTIMATE.start_main_~i~4 70), 6722#(<= ULTIMATE.start_main_~i~4 72), 6723#(<= ULTIMATE.start_main_~i~4 74), 6724#(<= ULTIMATE.start_main_~i~4 76), 6725#(<= ULTIMATE.start_main_~i~4 78), 6726#(<= ULTIMATE.start_main_~i~4 80), 6727#(<= ULTIMATE.start_main_~i~4 82), 6728#(<= ULTIMATE.start_main_~i~4 84), 6729#(<= ULTIMATE.start_main_~i~4 86), 6730#(<= ULTIMATE.start_main_~i~4 88), 6731#(<= ULTIMATE.start_main_~i~4 90), 6732#(<= ULTIMATE.start_main_~i~4 92), 6733#(<= ULTIMATE.start_main_~i~4 94)] [2018-07-23 13:37:35,610 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 13:37:35,610 INFO L450 AbstractCegarLoop]: Interpolant automaton has 50 states [2018-07-23 13:37:35,610 INFO L132 InterpolantAutomaton]: Constructing interpolant automaton starting with 50 interpolants. [2018-07-23 13:37:35,611 INFO L133 InterpolantAutomaton]: CoverageRelationStatistics Valid=1225, Invalid=1225, Unknown=0, NotChecked=0, Total=2450 [2018-07-23 13:37:35,611 INFO L87 Difference]: Start difference. First operand 51 states and 51 transitions. Second operand 50 states. [2018-07-23 13:37:35,632 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2018-07-23 13:37:35,632 INFO L93 Difference]: Finished difference Result 54 states and 54 transitions. [2018-07-23 13:37:35,632 INFO L142 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 50 states. [2018-07-23 13:37:35,632 INFO L78 Accepts]: Start accepts. Automaton has 50 states. Word has length 50 [2018-07-23 13:37:35,632 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2018-07-23 13:37:35,633 INFO L225 Difference]: With dead ends: 54 [2018-07-23 13:37:35,633 INFO L226 Difference]: Without dead ends: 52 [2018-07-23 13:37:35,634 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 13:37:35,634 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 52 states. [2018-07-23 13:37:35,636 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 52 to 52. [2018-07-23 13:37:35,636 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 52 states. [2018-07-23 13:37:35,636 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 52 states to 52 states and 52 transitions. [2018-07-23 13:37:35,638 INFO L78 Accepts]: Start accepts. Automaton has 52 states and 52 transitions. Word has length 50 [2018-07-23 13:37:35,639 INFO L84 Accepts]: Finished accepts. word is rejected. [2018-07-23 13:37:35,639 INFO L471 AbstractCegarLoop]: Abstraction has 52 states and 52 transitions. [2018-07-23 13:37:35,639 INFO L472 AbstractCegarLoop]: Interpolant automaton has 50 states. [2018-07-23 13:37:35,639 INFO L276 IsEmpty]: Start isEmpty. Operand 52 states and 52 transitions. [2018-07-23 13:37:35,639 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 52 [2018-07-23 13:37:35,639 INFO L349 BasicCegarLoop]: Found error trace [2018-07-23 13:37:35,640 INFO L357 BasicCegarLoop]: trace histogram [48, 1, 1, 1] [2018-07-23 13:37:35,640 INFO L414 AbstractCegarLoop]: === Iteration 49 === [ULTIMATE.startErr0AssertViolationASSERT]=== [2018-07-23 13:37:35,640 INFO L82 PathProgramCache]: Analyzing trace with hash -1905276351, now seen corresponding path program 48 times [2018-07-23 13:37:35,640 INFO L69 tionRefinementEngine]: Using refinement strategy FixedRefinementStrategy [2018-07-23 13:37:35,649 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-07-23 13:37:35,797 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 13:37:35,797 INFO L309 seRefinementStrategy]: Constructing automaton from 0 perfect and 1 imperfect interpolant sequences. [2018-07-23 13:37:35,797 INFO L324 seRefinementStrategy]: Number of different interpolants: perfect sequences [] imperfect sequences [50] total 50 [2018-07-23 13:37:35,797 INFO L142 lantAutomatonBuilder]: Constructing canonical interpolant automaton, with selfloop in false state [2018-07-23 13:37:35,798 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2018-07-23 13:37:35,798 INFO L185 omatonBuilderFactory]: Interpolants [6946#true, 6947#false, 6948#(<= ULTIMATE.start_main_~i~4 0), 6949#(<= ULTIMATE.start_main_~i~4 2), 6950#(<= ULTIMATE.start_main_~i~4 4), 6951#(<= ULTIMATE.start_main_~i~4 6), 6952#(<= ULTIMATE.start_main_~i~4 8), 6953#(<= ULTIMATE.start_main_~i~4 10), 6954#(<= ULTIMATE.start_main_~i~4 12), 6955#(<= ULTIMATE.start_main_~i~4 14), 6956#(<= ULTIMATE.start_main_~i~4 16), 6957#(<= ULTIMATE.start_main_~i~4 18), 6958#(<= ULTIMATE.start_main_~i~4 20), 6959#(<= ULTIMATE.start_main_~i~4 22), 6960#(<= ULTIMATE.start_main_~i~4 24), 6961#(<= ULTIMATE.start_main_~i~4 26), 6962#(<= ULTIMATE.start_main_~i~4 28), 6963#(<= ULTIMATE.start_main_~i~4 30), 6964#(<= ULTIMATE.start_main_~i~4 32), 6965#(<= ULTIMATE.start_main_~i~4 34), 6966#(<= ULTIMATE.start_main_~i~4 36), 6967#(<= ULTIMATE.start_main_~i~4 38), 6968#(<= ULTIMATE.start_main_~i~4 40), 6969#(<= ULTIMATE.start_main_~i~4 42), 6970#(<= ULTIMATE.start_main_~i~4 44), 6971#(<= ULTIMATE.start_main_~i~4 46), 6972#(<= ULTIMATE.start_main_~i~4 48), 6973#(<= ULTIMATE.start_main_~i~4 50), 6974#(<= ULTIMATE.start_main_~i~4 52), 6975#(<= ULTIMATE.start_main_~i~4 54), 6976#(<= ULTIMATE.start_main_~i~4 56), 6977#(<= ULTIMATE.start_main_~i~4 58), 6978#(<= ULTIMATE.start_main_~i~4 60), 6979#(<= ULTIMATE.start_main_~i~4 62), 6980#(<= ULTIMATE.start_main_~i~4 64), 6981#(<= ULTIMATE.start_main_~i~4 66), 6982#(<= ULTIMATE.start_main_~i~4 68), 6983#(<= ULTIMATE.start_main_~i~4 70), 6984#(<= ULTIMATE.start_main_~i~4 72), 6985#(<= ULTIMATE.start_main_~i~4 74), 6986#(<= ULTIMATE.start_main_~i~4 76), 6987#(<= ULTIMATE.start_main_~i~4 78), 6988#(<= ULTIMATE.start_main_~i~4 80), 6989#(<= ULTIMATE.start_main_~i~4 82), 6990#(<= ULTIMATE.start_main_~i~4 84), 6991#(<= ULTIMATE.start_main_~i~4 86), 6992#(<= ULTIMATE.start_main_~i~4 88), 6993#(<= ULTIMATE.start_main_~i~4 90), 6994#(<= ULTIMATE.start_main_~i~4 92), 6995#(<= ULTIMATE.start_main_~i~4 94), 6996#(<= ULTIMATE.start_main_~i~4 96)] [2018-07-23 13:37:35,799 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 13:37:35,799 INFO L450 AbstractCegarLoop]: Interpolant automaton has 51 states [2018-07-23 13:37:35,799 INFO L132 InterpolantAutomaton]: Constructing interpolant automaton starting with 51 interpolants. [2018-07-23 13:37:35,800 INFO L133 InterpolantAutomaton]: CoverageRelationStatistics Valid=1275, Invalid=1275, Unknown=0, NotChecked=0, Total=2550 [2018-07-23 13:37:35,800 INFO L87 Difference]: Start difference. First operand 52 states and 52 transitions. Second operand 51 states. [2018-07-23 13:37:35,823 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2018-07-23 13:37:35,823 INFO L93 Difference]: Finished difference Result 55 states and 55 transitions. [2018-07-23 13:37:35,823 INFO L142 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 51 states. [2018-07-23 13:37:35,824 INFO L78 Accepts]: Start accepts. Automaton has 51 states. Word has length 51 [2018-07-23 13:37:35,824 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2018-07-23 13:37:35,824 INFO L225 Difference]: With dead ends: 55 [2018-07-23 13:37:35,824 INFO L226 Difference]: Without dead ends: 53 [2018-07-23 13:37:35,825 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 13:37:35,825 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 53 states. [2018-07-23 13:37:35,827 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 53 to 53. [2018-07-23 13:37:35,828 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 53 states. [2018-07-23 13:37:35,828 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 53 states to 53 states and 53 transitions. [2018-07-23 13:37:35,829 INFO L78 Accepts]: Start accepts. Automaton has 53 states and 53 transitions. Word has length 51 [2018-07-23 13:37:35,829 INFO L84 Accepts]: Finished accepts. word is rejected. [2018-07-23 13:37:35,829 INFO L471 AbstractCegarLoop]: Abstraction has 53 states and 53 transitions. [2018-07-23 13:37:35,829 INFO L472 AbstractCegarLoop]: Interpolant automaton has 51 states. [2018-07-23 13:37:35,829 INFO L276 IsEmpty]: Start isEmpty. Operand 53 states and 53 transitions. [2018-07-23 13:37:35,829 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 53 [2018-07-23 13:37:35,830 INFO L349 BasicCegarLoop]: Found error trace [2018-07-23 13:37:35,830 INFO L357 BasicCegarLoop]: trace histogram [49, 1, 1, 1] [2018-07-23 13:37:35,830 INFO L414 AbstractCegarLoop]: === Iteration 50 === [ULTIMATE.startErr0AssertViolationASSERT]=== [2018-07-23 13:37:35,830 INFO L82 PathProgramCache]: Analyzing trace with hash 1065973288, now seen corresponding path program 49 times [2018-07-23 13:37:35,831 INFO L69 tionRefinementEngine]: Using refinement strategy FixedRefinementStrategy [2018-07-23 13:37:35,840 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-07-23 13:37:35,990 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 13:37:35,991 INFO L309 seRefinementStrategy]: Constructing automaton from 0 perfect and 1 imperfect interpolant sequences. [2018-07-23 13:37:35,991 INFO L324 seRefinementStrategy]: Number of different interpolants: perfect sequences [] imperfect sequences [51] total 51 [2018-07-23 13:37:35,991 INFO L142 lantAutomatonBuilder]: Constructing canonical interpolant automaton, with selfloop in false state [2018-07-23 13:37:35,991 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2018-07-23 13:37:35,992 INFO L185 omatonBuilderFactory]: Interpolants [7213#true, 7214#false, 7215#(<= ULTIMATE.start_main_~i~4 0), 7216#(<= ULTIMATE.start_main_~i~4 2), 7217#(<= ULTIMATE.start_main_~i~4 4), 7218#(<= ULTIMATE.start_main_~i~4 6), 7219#(<= ULTIMATE.start_main_~i~4 8), 7220#(<= ULTIMATE.start_main_~i~4 10), 7221#(<= ULTIMATE.start_main_~i~4 12), 7222#(<= ULTIMATE.start_main_~i~4 14), 7223#(<= ULTIMATE.start_main_~i~4 16), 7224#(<= ULTIMATE.start_main_~i~4 18), 7225#(<= ULTIMATE.start_main_~i~4 20), 7226#(<= ULTIMATE.start_main_~i~4 22), 7227#(<= ULTIMATE.start_main_~i~4 24), 7228#(<= ULTIMATE.start_main_~i~4 26), 7229#(<= ULTIMATE.start_main_~i~4 28), 7230#(<= ULTIMATE.start_main_~i~4 30), 7231#(<= ULTIMATE.start_main_~i~4 32), 7232#(<= ULTIMATE.start_main_~i~4 34), 7233#(<= ULTIMATE.start_main_~i~4 36), 7234#(<= ULTIMATE.start_main_~i~4 38), 7235#(<= ULTIMATE.start_main_~i~4 40), 7236#(<= ULTIMATE.start_main_~i~4 42), 7237#(<= ULTIMATE.start_main_~i~4 44), 7238#(<= ULTIMATE.start_main_~i~4 46), 7239#(<= ULTIMATE.start_main_~i~4 48), 7240#(<= ULTIMATE.start_main_~i~4 50), 7241#(<= ULTIMATE.start_main_~i~4 52), 7242#(<= ULTIMATE.start_main_~i~4 54), 7243#(<= ULTIMATE.start_main_~i~4 56), 7244#(<= ULTIMATE.start_main_~i~4 58), 7245#(<= ULTIMATE.start_main_~i~4 60), 7246#(<= ULTIMATE.start_main_~i~4 62), 7247#(<= ULTIMATE.start_main_~i~4 64), 7248#(<= ULTIMATE.start_main_~i~4 66), 7249#(<= ULTIMATE.start_main_~i~4 68), 7250#(<= ULTIMATE.start_main_~i~4 70), 7251#(<= ULTIMATE.start_main_~i~4 72), 7252#(<= ULTIMATE.start_main_~i~4 74), 7253#(<= ULTIMATE.start_main_~i~4 76), 7254#(<= ULTIMATE.start_main_~i~4 78), 7255#(<= ULTIMATE.start_main_~i~4 80), 7256#(<= ULTIMATE.start_main_~i~4 82), 7257#(<= ULTIMATE.start_main_~i~4 84), 7258#(<= ULTIMATE.start_main_~i~4 86), 7259#(<= ULTIMATE.start_main_~i~4 88), 7260#(<= ULTIMATE.start_main_~i~4 90), 7261#(<= ULTIMATE.start_main_~i~4 92), 7262#(<= ULTIMATE.start_main_~i~4 94), 7263#(<= ULTIMATE.start_main_~i~4 96), 7264#(<= ULTIMATE.start_main_~i~4 98)] [2018-07-23 13:37:35,992 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 13:37:35,992 INFO L450 AbstractCegarLoop]: Interpolant automaton has 52 states [2018-07-23 13:37:35,993 INFO L132 InterpolantAutomaton]: Constructing interpolant automaton starting with 52 interpolants. [2018-07-23 13:37:35,994 INFO L133 InterpolantAutomaton]: CoverageRelationStatistics Valid=1326, Invalid=1326, Unknown=0, NotChecked=0, Total=2652 [2018-07-23 13:37:35,994 INFO L87 Difference]: Start difference. First operand 53 states and 53 transitions. Second operand 52 states. [2018-07-23 13:37:36,022 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2018-07-23 13:37:36,022 INFO L93 Difference]: Finished difference Result 56 states and 56 transitions. [2018-07-23 13:37:36,022 INFO L142 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 52 states. [2018-07-23 13:37:36,023 INFO L78 Accepts]: Start accepts. Automaton has 52 states. Word has length 52 [2018-07-23 13:37:36,023 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2018-07-23 13:37:36,023 INFO L225 Difference]: With dead ends: 56 [2018-07-23 13:37:36,023 INFO L226 Difference]: Without dead ends: 54 [2018-07-23 13:37:36,024 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 13:37:36,025 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 54 states. [2018-07-23 13:37:36,026 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 54 to 54. [2018-07-23 13:37:36,027 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 54 states. [2018-07-23 13:37:36,027 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 54 states to 54 states and 54 transitions. [2018-07-23 13:37:36,027 INFO L78 Accepts]: Start accepts. Automaton has 54 states and 54 transitions. Word has length 52 [2018-07-23 13:37:36,027 INFO L84 Accepts]: Finished accepts. word is rejected. [2018-07-23 13:37:36,027 INFO L471 AbstractCegarLoop]: Abstraction has 54 states and 54 transitions. [2018-07-23 13:37:36,027 INFO L472 AbstractCegarLoop]: Interpolant automaton has 52 states. [2018-07-23 13:37:36,028 INFO L276 IsEmpty]: Start isEmpty. Operand 54 states and 54 transitions. [2018-07-23 13:37:36,028 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 54 [2018-07-23 13:37:36,028 INFO L349 BasicCegarLoop]: Found error trace [2018-07-23 13:37:36,028 INFO L357 BasicCegarLoop]: trace histogram [50, 1, 1, 1] [2018-07-23 13:37:36,028 INFO L414 AbstractCegarLoop]: === Iteration 51 === [ULTIMATE.startErr0AssertViolationASSERT]=== [2018-07-23 13:37:36,029 INFO L82 PathProgramCache]: Analyzing trace with hash -1314568415, now seen corresponding path program 50 times [2018-07-23 13:37:36,029 INFO L69 tionRefinementEngine]: Using refinement strategy FixedRefinementStrategy [2018-07-23 13:37:36,040 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-07-23 13:37:36,201 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 13:37:36,201 INFO L309 seRefinementStrategy]: Constructing automaton from 0 perfect and 1 imperfect interpolant sequences. [2018-07-23 13:37:36,202 INFO L324 seRefinementStrategy]: Number of different interpolants: perfect sequences [] imperfect sequences [52] total 52 [2018-07-23 13:37:36,202 INFO L142 lantAutomatonBuilder]: Constructing canonical interpolant automaton, with selfloop in false state [2018-07-23 13:37:36,202 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2018-07-23 13:37:36,202 INFO L185 omatonBuilderFactory]: Interpolants [7485#true, 7486#false, 7487#(<= ULTIMATE.start_main_~i~4 0), 7488#(<= ULTIMATE.start_main_~i~4 2), 7489#(<= ULTIMATE.start_main_~i~4 4), 7490#(<= ULTIMATE.start_main_~i~4 6), 7491#(<= ULTIMATE.start_main_~i~4 8), 7492#(<= ULTIMATE.start_main_~i~4 10), 7493#(<= ULTIMATE.start_main_~i~4 12), 7494#(<= ULTIMATE.start_main_~i~4 14), 7495#(<= ULTIMATE.start_main_~i~4 16), 7496#(<= ULTIMATE.start_main_~i~4 18), 7497#(<= ULTIMATE.start_main_~i~4 20), 7498#(<= ULTIMATE.start_main_~i~4 22), 7499#(<= ULTIMATE.start_main_~i~4 24), 7500#(<= ULTIMATE.start_main_~i~4 26), 7501#(<= ULTIMATE.start_main_~i~4 28), 7502#(<= ULTIMATE.start_main_~i~4 30), 7503#(<= ULTIMATE.start_main_~i~4 32), 7504#(<= ULTIMATE.start_main_~i~4 34), 7505#(<= ULTIMATE.start_main_~i~4 36), 7506#(<= ULTIMATE.start_main_~i~4 38), 7507#(<= ULTIMATE.start_main_~i~4 40), 7508#(<= ULTIMATE.start_main_~i~4 42), 7509#(<= ULTIMATE.start_main_~i~4 44), 7510#(<= ULTIMATE.start_main_~i~4 46), 7511#(<= ULTIMATE.start_main_~i~4 48), 7512#(<= ULTIMATE.start_main_~i~4 50), 7513#(<= ULTIMATE.start_main_~i~4 52), 7514#(<= ULTIMATE.start_main_~i~4 54), 7515#(<= ULTIMATE.start_main_~i~4 56), 7516#(<= ULTIMATE.start_main_~i~4 58), 7517#(<= ULTIMATE.start_main_~i~4 60), 7518#(<= ULTIMATE.start_main_~i~4 62), 7519#(<= ULTIMATE.start_main_~i~4 64), 7520#(<= ULTIMATE.start_main_~i~4 66), 7521#(<= ULTIMATE.start_main_~i~4 68), 7522#(<= ULTIMATE.start_main_~i~4 70), 7523#(<= ULTIMATE.start_main_~i~4 72), 7524#(<= ULTIMATE.start_main_~i~4 74), 7525#(<= ULTIMATE.start_main_~i~4 76), 7526#(<= ULTIMATE.start_main_~i~4 78), 7527#(<= ULTIMATE.start_main_~i~4 80), 7528#(<= ULTIMATE.start_main_~i~4 82), 7529#(<= ULTIMATE.start_main_~i~4 84), 7530#(<= ULTIMATE.start_main_~i~4 86), 7531#(<= ULTIMATE.start_main_~i~4 88), 7532#(<= ULTIMATE.start_main_~i~4 90), 7533#(<= ULTIMATE.start_main_~i~4 92), 7534#(<= ULTIMATE.start_main_~i~4 94), 7535#(<= ULTIMATE.start_main_~i~4 96), 7536#(<= ULTIMATE.start_main_~i~4 98), 7537#(<= ULTIMATE.start_main_~i~4 100)] [2018-07-23 13:37:36,203 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 13:37:36,203 INFO L450 AbstractCegarLoop]: Interpolant automaton has 53 states [2018-07-23 13:37:36,204 INFO L132 InterpolantAutomaton]: Constructing interpolant automaton starting with 53 interpolants. [2018-07-23 13:37:36,204 INFO L133 InterpolantAutomaton]: CoverageRelationStatistics Valid=1378, Invalid=1378, Unknown=0, NotChecked=0, Total=2756 [2018-07-23 13:37:36,205 INFO L87 Difference]: Start difference. First operand 54 states and 54 transitions. Second operand 53 states. [2018-07-23 13:37:36,244 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2018-07-23 13:37:36,244 INFO L93 Difference]: Finished difference Result 57 states and 57 transitions. [2018-07-23 13:37:36,244 INFO L142 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 53 states. [2018-07-23 13:37:36,244 INFO L78 Accepts]: Start accepts. Automaton has 53 states. Word has length 53 [2018-07-23 13:37:36,244 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2018-07-23 13:37:36,245 INFO L225 Difference]: With dead ends: 57 [2018-07-23 13:37:36,245 INFO L226 Difference]: Without dead ends: 55 [2018-07-23 13:37:36,246 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 13:37:36,246 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 55 states. [2018-07-23 13:37:36,252 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 55 to 55. [2018-07-23 13:37:36,252 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 55 states. [2018-07-23 13:37:36,253 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 55 states to 55 states and 55 transitions. [2018-07-23 13:37:36,253 INFO L78 Accepts]: Start accepts. Automaton has 55 states and 55 transitions. Word has length 53 [2018-07-23 13:37:36,253 INFO L84 Accepts]: Finished accepts. word is rejected. [2018-07-23 13:37:36,253 INFO L471 AbstractCegarLoop]: Abstraction has 55 states and 55 transitions. [2018-07-23 13:37:36,253 INFO L472 AbstractCegarLoop]: Interpolant automaton has 53 states. [2018-07-23 13:37:36,254 INFO L276 IsEmpty]: Start isEmpty. Operand 55 states and 55 transitions. [2018-07-23 13:37:36,254 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 55 [2018-07-23 13:37:36,254 INFO L349 BasicCegarLoop]: Found error trace [2018-07-23 13:37:36,256 INFO L357 BasicCegarLoop]: trace histogram [51, 1, 1, 1] [2018-07-23 13:37:36,256 INFO L414 AbstractCegarLoop]: === Iteration 52 === [ULTIMATE.startErr0AssertViolationASSERT]=== [2018-07-23 13:37:36,256 INFO L82 PathProgramCache]: Analyzing trace with hash -2096917176, now seen corresponding path program 51 times [2018-07-23 13:37:36,256 INFO L69 tionRefinementEngine]: Using refinement strategy FixedRefinementStrategy [2018-07-23 13:37:36,268 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-07-23 13:37:36,436 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 13:37:36,439 INFO L309 seRefinementStrategy]: Constructing automaton from 0 perfect and 1 imperfect interpolant sequences. [2018-07-23 13:37:36,439 INFO L324 seRefinementStrategy]: Number of different interpolants: perfect sequences [] imperfect sequences [53] total 53 [2018-07-23 13:37:36,440 INFO L142 lantAutomatonBuilder]: Constructing canonical interpolant automaton, with selfloop in false state [2018-07-23 13:37:36,440 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2018-07-23 13:37:36,440 INFO L185 omatonBuilderFactory]: Interpolants [7808#(<= ULTIMATE.start_main_~i~4 88), 7809#(<= ULTIMATE.start_main_~i~4 90), 7810#(<= ULTIMATE.start_main_~i~4 92), 7811#(<= ULTIMATE.start_main_~i~4 94), 7812#(<= ULTIMATE.start_main_~i~4 96), 7813#(<= ULTIMATE.start_main_~i~4 98), 7814#(<= ULTIMATE.start_main_~i~4 100), 7815#(<= ULTIMATE.start_main_~i~4 102), 7762#true, 7763#false, 7764#(<= ULTIMATE.start_main_~i~4 0), 7765#(<= ULTIMATE.start_main_~i~4 2), 7766#(<= ULTIMATE.start_main_~i~4 4), 7767#(<= ULTIMATE.start_main_~i~4 6), 7768#(<= ULTIMATE.start_main_~i~4 8), 7769#(<= ULTIMATE.start_main_~i~4 10), 7770#(<= ULTIMATE.start_main_~i~4 12), 7771#(<= ULTIMATE.start_main_~i~4 14), 7772#(<= ULTIMATE.start_main_~i~4 16), 7773#(<= ULTIMATE.start_main_~i~4 18), 7774#(<= ULTIMATE.start_main_~i~4 20), 7775#(<= ULTIMATE.start_main_~i~4 22), 7776#(<= ULTIMATE.start_main_~i~4 24), 7777#(<= ULTIMATE.start_main_~i~4 26), 7778#(<= ULTIMATE.start_main_~i~4 28), 7779#(<= ULTIMATE.start_main_~i~4 30), 7780#(<= ULTIMATE.start_main_~i~4 32), 7781#(<= ULTIMATE.start_main_~i~4 34), 7782#(<= ULTIMATE.start_main_~i~4 36), 7783#(<= ULTIMATE.start_main_~i~4 38), 7784#(<= ULTIMATE.start_main_~i~4 40), 7785#(<= ULTIMATE.start_main_~i~4 42), 7786#(<= ULTIMATE.start_main_~i~4 44), 7787#(<= ULTIMATE.start_main_~i~4 46), 7788#(<= ULTIMATE.start_main_~i~4 48), 7789#(<= ULTIMATE.start_main_~i~4 50), 7790#(<= ULTIMATE.start_main_~i~4 52), 7791#(<= ULTIMATE.start_main_~i~4 54), 7792#(<= ULTIMATE.start_main_~i~4 56), 7793#(<= ULTIMATE.start_main_~i~4 58), 7794#(<= ULTIMATE.start_main_~i~4 60), 7795#(<= ULTIMATE.start_main_~i~4 62), 7796#(<= ULTIMATE.start_main_~i~4 64), 7797#(<= ULTIMATE.start_main_~i~4 66), 7798#(<= ULTIMATE.start_main_~i~4 68), 7799#(<= ULTIMATE.start_main_~i~4 70), 7800#(<= ULTIMATE.start_main_~i~4 72), 7801#(<= ULTIMATE.start_main_~i~4 74), 7802#(<= ULTIMATE.start_main_~i~4 76), 7803#(<= ULTIMATE.start_main_~i~4 78), 7804#(<= ULTIMATE.start_main_~i~4 80), 7805#(<= ULTIMATE.start_main_~i~4 82), 7806#(<= ULTIMATE.start_main_~i~4 84), 7807#(<= ULTIMATE.start_main_~i~4 86)] [2018-07-23 13:37:36,441 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 13:37:36,441 INFO L450 AbstractCegarLoop]: Interpolant automaton has 54 states [2018-07-23 13:37:36,442 INFO L132 InterpolantAutomaton]: Constructing interpolant automaton starting with 54 interpolants. [2018-07-23 13:37:36,443 INFO L133 InterpolantAutomaton]: CoverageRelationStatistics Valid=1431, Invalid=1431, Unknown=0, NotChecked=0, Total=2862 [2018-07-23 13:37:36,443 INFO L87 Difference]: Start difference. First operand 55 states and 55 transitions. Second operand 54 states. [2018-07-23 13:37:36,468 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2018-07-23 13:37:36,468 INFO L93 Difference]: Finished difference Result 58 states and 58 transitions. [2018-07-23 13:37:36,468 INFO L142 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 54 states. [2018-07-23 13:37:36,468 INFO L78 Accepts]: Start accepts. Automaton has 54 states. Word has length 54 [2018-07-23 13:37:36,469 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2018-07-23 13:37:36,470 INFO L225 Difference]: With dead ends: 58 [2018-07-23 13:37:36,470 INFO L226 Difference]: Without dead ends: 56 [2018-07-23 13:37:36,471 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 13:37:36,471 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 56 states. [2018-07-23 13:37:36,473 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 56 to 56. [2018-07-23 13:37:36,473 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 56 states. [2018-07-23 13:37:36,474 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 56 states to 56 states and 56 transitions. [2018-07-23 13:37:36,474 INFO L78 Accepts]: Start accepts. Automaton has 56 states and 56 transitions. Word has length 54 [2018-07-23 13:37:36,474 INFO L84 Accepts]: Finished accepts. word is rejected. [2018-07-23 13:37:36,474 INFO L471 AbstractCegarLoop]: Abstraction has 56 states and 56 transitions. [2018-07-23 13:37:36,474 INFO L472 AbstractCegarLoop]: Interpolant automaton has 54 states. [2018-07-23 13:37:36,474 INFO L276 IsEmpty]: Start isEmpty. Operand 56 states and 56 transitions. [2018-07-23 13:37:36,475 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 56 [2018-07-23 13:37:36,475 INFO L349 BasicCegarLoop]: Found error trace [2018-07-23 13:37:36,475 INFO L357 BasicCegarLoop]: trace histogram [52, 1, 1, 1] [2018-07-23 13:37:36,475 INFO L414 AbstractCegarLoop]: === Iteration 53 === [ULTIMATE.startErr0AssertViolationASSERT]=== [2018-07-23 13:37:36,476 INFO L82 PathProgramCache]: Analyzing trace with hash -579924991, now seen corresponding path program 52 times [2018-07-23 13:37:36,476 INFO L69 tionRefinementEngine]: Using refinement strategy FixedRefinementStrategy [2018-07-23 13:37:36,486 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-07-23 13:37:36,663 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 13:37:36,664 INFO L309 seRefinementStrategy]: Constructing automaton from 0 perfect and 1 imperfect interpolant sequences. [2018-07-23 13:37:36,664 INFO L324 seRefinementStrategy]: Number of different interpolants: perfect sequences [] imperfect sequences [54] total 54 [2018-07-23 13:37:36,664 INFO L142 lantAutomatonBuilder]: Constructing canonical interpolant automaton, with selfloop in false state [2018-07-23 13:37:36,664 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 13:37:36,665 INFO L185 omatonBuilderFactory]: Interpolants [8064#(<= ULTIMATE.start_main_~i~4 36), 8065#(<= ULTIMATE.start_main_~i~4 38), 8066#(<= ULTIMATE.start_main_~i~4 40), 8067#(<= ULTIMATE.start_main_~i~4 42), 8068#(<= ULTIMATE.start_main_~i~4 44), 8069#(<= ULTIMATE.start_main_~i~4 46), 8070#(<= ULTIMATE.start_main_~i~4 48), 8071#(<= ULTIMATE.start_main_~i~4 50), 8072#(<= ULTIMATE.start_main_~i~4 52), 8073#(<= ULTIMATE.start_main_~i~4 54), 8074#(<= ULTIMATE.start_main_~i~4 56), 8075#(<= ULTIMATE.start_main_~i~4 58), 8076#(<= ULTIMATE.start_main_~i~4 60), 8077#(<= ULTIMATE.start_main_~i~4 62), 8078#(<= ULTIMATE.start_main_~i~4 64), 8079#(<= ULTIMATE.start_main_~i~4 66), 8080#(<= ULTIMATE.start_main_~i~4 68), 8081#(<= ULTIMATE.start_main_~i~4 70), 8082#(<= ULTIMATE.start_main_~i~4 72), 8083#(<= ULTIMATE.start_main_~i~4 74), 8084#(<= ULTIMATE.start_main_~i~4 76), 8085#(<= ULTIMATE.start_main_~i~4 78), 8086#(<= ULTIMATE.start_main_~i~4 80), 8087#(<= ULTIMATE.start_main_~i~4 82), 8088#(<= ULTIMATE.start_main_~i~4 84), 8089#(<= ULTIMATE.start_main_~i~4 86), 8090#(<= ULTIMATE.start_main_~i~4 88), 8091#(<= ULTIMATE.start_main_~i~4 90), 8092#(<= ULTIMATE.start_main_~i~4 92), 8093#(<= ULTIMATE.start_main_~i~4 94), 8094#(<= ULTIMATE.start_main_~i~4 96), 8095#(<= ULTIMATE.start_main_~i~4 98), 8096#(<= ULTIMATE.start_main_~i~4 100), 8097#(<= ULTIMATE.start_main_~i~4 102), 8098#(<= ULTIMATE.start_main_~i~4 104), 8044#true, 8045#false, 8046#(<= ULTIMATE.start_main_~i~4 0), 8047#(<= ULTIMATE.start_main_~i~4 2), 8048#(<= ULTIMATE.start_main_~i~4 4), 8049#(<= ULTIMATE.start_main_~i~4 6), 8050#(<= ULTIMATE.start_main_~i~4 8), 8051#(<= ULTIMATE.start_main_~i~4 10), 8052#(<= ULTIMATE.start_main_~i~4 12), 8053#(<= ULTIMATE.start_main_~i~4 14), 8054#(<= ULTIMATE.start_main_~i~4 16), 8055#(<= ULTIMATE.start_main_~i~4 18), 8056#(<= ULTIMATE.start_main_~i~4 20), 8057#(<= ULTIMATE.start_main_~i~4 22), 8058#(<= ULTIMATE.start_main_~i~4 24), 8059#(<= ULTIMATE.start_main_~i~4 26), 8060#(<= ULTIMATE.start_main_~i~4 28), 8061#(<= ULTIMATE.start_main_~i~4 30), 8062#(<= ULTIMATE.start_main_~i~4 32), 8063#(<= ULTIMATE.start_main_~i~4 34)] [2018-07-23 13:37:36,665 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 13:37:36,666 INFO L450 AbstractCegarLoop]: Interpolant automaton has 55 states [2018-07-23 13:37:36,667 INFO L132 InterpolantAutomaton]: Constructing interpolant automaton starting with 55 interpolants. [2018-07-23 13:37:36,667 INFO L133 InterpolantAutomaton]: CoverageRelationStatistics Valid=1485, Invalid=1485, Unknown=0, NotChecked=0, Total=2970 [2018-07-23 13:37:36,668 INFO L87 Difference]: Start difference. First operand 56 states and 56 transitions. Second operand 55 states. [2018-07-23 13:37:36,693 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2018-07-23 13:37:36,694 INFO L93 Difference]: Finished difference Result 59 states and 59 transitions. [2018-07-23 13:37:36,694 INFO L142 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 55 states. [2018-07-23 13:37:36,694 INFO L78 Accepts]: Start accepts. Automaton has 55 states. Word has length 55 [2018-07-23 13:37:36,694 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2018-07-23 13:37:36,695 INFO L225 Difference]: With dead ends: 59 [2018-07-23 13:37:36,695 INFO L226 Difference]: Without dead ends: 57 [2018-07-23 13:37:36,696 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 13:37:36,696 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 57 states. [2018-07-23 13:37:36,698 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 57 to 57. [2018-07-23 13:37:36,698 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 57 states. [2018-07-23 13:37:36,698 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 57 states to 57 states and 57 transitions. [2018-07-23 13:37:36,698 INFO L78 Accepts]: Start accepts. Automaton has 57 states and 57 transitions. Word has length 55 [2018-07-23 13:37:36,698 INFO L84 Accepts]: Finished accepts. word is rejected. [2018-07-23 13:37:36,698 INFO L471 AbstractCegarLoop]: Abstraction has 57 states and 57 transitions. [2018-07-23 13:37:36,699 INFO L472 AbstractCegarLoop]: Interpolant automaton has 55 states. [2018-07-23 13:37:36,699 INFO L276 IsEmpty]: Start isEmpty. Operand 57 states and 57 transitions. [2018-07-23 13:37:36,699 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 57 [2018-07-23 13:37:36,699 INFO L349 BasicCegarLoop]: Found error trace [2018-07-23 13:37:36,699 INFO L357 BasicCegarLoop]: trace histogram [53, 1, 1, 1] [2018-07-23 13:37:36,699 INFO L414 AbstractCegarLoop]: === Iteration 54 === [ULTIMATE.startErr0AssertViolationASSERT]=== [2018-07-23 13:37:36,700 INFO L82 PathProgramCache]: Analyzing trace with hash -797807512, now seen corresponding path program 53 times [2018-07-23 13:37:36,700 INFO L69 tionRefinementEngine]: Using refinement strategy FixedRefinementStrategy [2018-07-23 13:37:36,712 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-07-23 13:37:36,893 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 13:37:36,894 INFO L309 seRefinementStrategy]: Constructing automaton from 0 perfect and 1 imperfect interpolant sequences. [2018-07-23 13:37:36,894 INFO L324 seRefinementStrategy]: Number of different interpolants: perfect sequences [] imperfect sequences [55] total 55 [2018-07-23 13:37:36,894 INFO L142 lantAutomatonBuilder]: Constructing canonical interpolant automaton, with selfloop in false state [2018-07-23 13:37:36,894 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2018-07-23 13:37:36,895 INFO L185 omatonBuilderFactory]: Interpolants [8331#true, 8332#false, 8333#(<= ULTIMATE.start_main_~i~4 0), 8334#(<= ULTIMATE.start_main_~i~4 2), 8335#(<= ULTIMATE.start_main_~i~4 4), 8336#(<= ULTIMATE.start_main_~i~4 6), 8337#(<= ULTIMATE.start_main_~i~4 8), 8338#(<= ULTIMATE.start_main_~i~4 10), 8339#(<= ULTIMATE.start_main_~i~4 12), 8340#(<= ULTIMATE.start_main_~i~4 14), 8341#(<= ULTIMATE.start_main_~i~4 16), 8342#(<= ULTIMATE.start_main_~i~4 18), 8343#(<= ULTIMATE.start_main_~i~4 20), 8344#(<= ULTIMATE.start_main_~i~4 22), 8345#(<= ULTIMATE.start_main_~i~4 24), 8346#(<= ULTIMATE.start_main_~i~4 26), 8347#(<= ULTIMATE.start_main_~i~4 28), 8348#(<= ULTIMATE.start_main_~i~4 30), 8349#(<= ULTIMATE.start_main_~i~4 32), 8350#(<= ULTIMATE.start_main_~i~4 34), 8351#(<= ULTIMATE.start_main_~i~4 36), 8352#(<= ULTIMATE.start_main_~i~4 38), 8353#(<= ULTIMATE.start_main_~i~4 40), 8354#(<= ULTIMATE.start_main_~i~4 42), 8355#(<= ULTIMATE.start_main_~i~4 44), 8356#(<= ULTIMATE.start_main_~i~4 46), 8357#(<= ULTIMATE.start_main_~i~4 48), 8358#(<= ULTIMATE.start_main_~i~4 50), 8359#(<= ULTIMATE.start_main_~i~4 52), 8360#(<= ULTIMATE.start_main_~i~4 54), 8361#(<= ULTIMATE.start_main_~i~4 56), 8362#(<= ULTIMATE.start_main_~i~4 58), 8363#(<= ULTIMATE.start_main_~i~4 60), 8364#(<= ULTIMATE.start_main_~i~4 62), 8365#(<= ULTIMATE.start_main_~i~4 64), 8366#(<= ULTIMATE.start_main_~i~4 66), 8367#(<= ULTIMATE.start_main_~i~4 68), 8368#(<= ULTIMATE.start_main_~i~4 70), 8369#(<= ULTIMATE.start_main_~i~4 72), 8370#(<= ULTIMATE.start_main_~i~4 74), 8371#(<= ULTIMATE.start_main_~i~4 76), 8372#(<= ULTIMATE.start_main_~i~4 78), 8373#(<= ULTIMATE.start_main_~i~4 80), 8374#(<= ULTIMATE.start_main_~i~4 82), 8375#(<= ULTIMATE.start_main_~i~4 84), 8376#(<= ULTIMATE.start_main_~i~4 86), 8377#(<= ULTIMATE.start_main_~i~4 88), 8378#(<= ULTIMATE.start_main_~i~4 90), 8379#(<= ULTIMATE.start_main_~i~4 92), 8380#(<= ULTIMATE.start_main_~i~4 94), 8381#(<= ULTIMATE.start_main_~i~4 96), 8382#(<= ULTIMATE.start_main_~i~4 98), 8383#(<= ULTIMATE.start_main_~i~4 100), 8384#(<= ULTIMATE.start_main_~i~4 102), 8385#(<= ULTIMATE.start_main_~i~4 104), 8386#(<= ULTIMATE.start_main_~i~4 106)] [2018-07-23 13:37:36,895 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 13:37:36,895 INFO L450 AbstractCegarLoop]: Interpolant automaton has 56 states [2018-07-23 13:37:36,896 INFO L132 InterpolantAutomaton]: Constructing interpolant automaton starting with 56 interpolants. [2018-07-23 13:37:36,897 INFO L133 InterpolantAutomaton]: CoverageRelationStatistics Valid=1540, Invalid=1540, Unknown=0, NotChecked=0, Total=3080 [2018-07-23 13:37:36,897 INFO L87 Difference]: Start difference. First operand 57 states and 57 transitions. Second operand 56 states. [2018-07-23 13:37:36,931 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2018-07-23 13:37:36,932 INFO L93 Difference]: Finished difference Result 60 states and 60 transitions. [2018-07-23 13:37:36,932 INFO L142 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 56 states. [2018-07-23 13:37:36,932 INFO L78 Accepts]: Start accepts. Automaton has 56 states. Word has length 56 [2018-07-23 13:37:36,932 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2018-07-23 13:37:36,933 INFO L225 Difference]: With dead ends: 60 [2018-07-23 13:37:36,933 INFO L226 Difference]: Without dead ends: 58 [2018-07-23 13:37:36,934 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 13:37:36,934 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 58 states. [2018-07-23 13:37:36,936 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 58 to 58. [2018-07-23 13:37:36,936 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 58 states. [2018-07-23 13:37:36,936 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 58 states to 58 states and 58 transitions. [2018-07-23 13:37:36,937 INFO L78 Accepts]: Start accepts. Automaton has 58 states and 58 transitions. Word has length 56 [2018-07-23 13:37:36,937 INFO L84 Accepts]: Finished accepts. word is rejected. [2018-07-23 13:37:36,937 INFO L471 AbstractCegarLoop]: Abstraction has 58 states and 58 transitions. [2018-07-23 13:37:36,937 INFO L472 AbstractCegarLoop]: Interpolant automaton has 56 states. [2018-07-23 13:37:36,937 INFO L276 IsEmpty]: Start isEmpty. Operand 58 states and 58 transitions. [2018-07-23 13:37:36,938 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 58 [2018-07-23 13:37:36,938 INFO L349 BasicCegarLoop]: Found error trace [2018-07-23 13:37:36,938 INFO L357 BasicCegarLoop]: trace histogram [54, 1, 1, 1] [2018-07-23 13:37:36,938 INFO L414 AbstractCegarLoop]: === Iteration 55 === [ULTIMATE.startErr0AssertViolationASSERT]=== [2018-07-23 13:37:36,938 INFO L82 PathProgramCache]: Analyzing trace with hash 1037768929, now seen corresponding path program 54 times [2018-07-23 13:37:36,938 INFO L69 tionRefinementEngine]: Using refinement strategy FixedRefinementStrategy [2018-07-23 13:37:36,951 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-07-23 13:37:37,145 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 13:37:37,145 INFO L309 seRefinementStrategy]: Constructing automaton from 0 perfect and 1 imperfect interpolant sequences. [2018-07-23 13:37:37,146 INFO L324 seRefinementStrategy]: Number of different interpolants: perfect sequences [] imperfect sequences [56] total 56 [2018-07-23 13:37:37,146 INFO L142 lantAutomatonBuilder]: Constructing canonical interpolant automaton, with selfloop in false state [2018-07-23 13:37:37,146 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 13:37:37,146 INFO L185 omatonBuilderFactory]: Interpolants [8623#true, 8624#false, 8625#(<= ULTIMATE.start_main_~i~4 0), 8626#(<= ULTIMATE.start_main_~i~4 2), 8627#(<= ULTIMATE.start_main_~i~4 4), 8628#(<= ULTIMATE.start_main_~i~4 6), 8629#(<= ULTIMATE.start_main_~i~4 8), 8630#(<= ULTIMATE.start_main_~i~4 10), 8631#(<= ULTIMATE.start_main_~i~4 12), 8632#(<= ULTIMATE.start_main_~i~4 14), 8633#(<= ULTIMATE.start_main_~i~4 16), 8634#(<= ULTIMATE.start_main_~i~4 18), 8635#(<= ULTIMATE.start_main_~i~4 20), 8636#(<= ULTIMATE.start_main_~i~4 22), 8637#(<= ULTIMATE.start_main_~i~4 24), 8638#(<= ULTIMATE.start_main_~i~4 26), 8639#(<= ULTIMATE.start_main_~i~4 28), 8640#(<= ULTIMATE.start_main_~i~4 30), 8641#(<= ULTIMATE.start_main_~i~4 32), 8642#(<= ULTIMATE.start_main_~i~4 34), 8643#(<= ULTIMATE.start_main_~i~4 36), 8644#(<= ULTIMATE.start_main_~i~4 38), 8645#(<= ULTIMATE.start_main_~i~4 40), 8646#(<= ULTIMATE.start_main_~i~4 42), 8647#(<= ULTIMATE.start_main_~i~4 44), 8648#(<= ULTIMATE.start_main_~i~4 46), 8649#(<= ULTIMATE.start_main_~i~4 48), 8650#(<= ULTIMATE.start_main_~i~4 50), 8651#(<= ULTIMATE.start_main_~i~4 52), 8652#(<= ULTIMATE.start_main_~i~4 54), 8653#(<= ULTIMATE.start_main_~i~4 56), 8654#(<= ULTIMATE.start_main_~i~4 58), 8655#(<= ULTIMATE.start_main_~i~4 60), 8656#(<= ULTIMATE.start_main_~i~4 62), 8657#(<= ULTIMATE.start_main_~i~4 64), 8658#(<= ULTIMATE.start_main_~i~4 66), 8659#(<= ULTIMATE.start_main_~i~4 68), 8660#(<= ULTIMATE.start_main_~i~4 70), 8661#(<= ULTIMATE.start_main_~i~4 72), 8662#(<= ULTIMATE.start_main_~i~4 74), 8663#(<= ULTIMATE.start_main_~i~4 76), 8664#(<= ULTIMATE.start_main_~i~4 78), 8665#(<= ULTIMATE.start_main_~i~4 80), 8666#(<= ULTIMATE.start_main_~i~4 82), 8667#(<= ULTIMATE.start_main_~i~4 84), 8668#(<= ULTIMATE.start_main_~i~4 86), 8669#(<= ULTIMATE.start_main_~i~4 88), 8670#(<= ULTIMATE.start_main_~i~4 90), 8671#(<= ULTIMATE.start_main_~i~4 92), 8672#(<= ULTIMATE.start_main_~i~4 94), 8673#(<= ULTIMATE.start_main_~i~4 96), 8674#(<= ULTIMATE.start_main_~i~4 98), 8675#(<= ULTIMATE.start_main_~i~4 100), 8676#(<= ULTIMATE.start_main_~i~4 102), 8677#(<= ULTIMATE.start_main_~i~4 104), 8678#(<= ULTIMATE.start_main_~i~4 106), 8679#(<= ULTIMATE.start_main_~i~4 108)] [2018-07-23 13:37:37,147 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 13:37:37,147 INFO L450 AbstractCegarLoop]: Interpolant automaton has 57 states [2018-07-23 13:37:37,148 INFO L132 InterpolantAutomaton]: Constructing interpolant automaton starting with 57 interpolants. [2018-07-23 13:37:37,149 INFO L133 InterpolantAutomaton]: CoverageRelationStatistics Valid=1596, Invalid=1596, Unknown=0, NotChecked=0, Total=3192 [2018-07-23 13:37:37,149 INFO L87 Difference]: Start difference. First operand 58 states and 58 transitions. Second operand 57 states. [2018-07-23 13:37:37,183 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2018-07-23 13:37:37,183 INFO L93 Difference]: Finished difference Result 61 states and 61 transitions. [2018-07-23 13:37:37,183 INFO L142 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 57 states. [2018-07-23 13:37:37,184 INFO L78 Accepts]: Start accepts. Automaton has 57 states. Word has length 57 [2018-07-23 13:37:37,184 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2018-07-23 13:37:37,184 INFO L225 Difference]: With dead ends: 61 [2018-07-23 13:37:37,184 INFO L226 Difference]: Without dead ends: 59 [2018-07-23 13:37:37,186 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 13:37:37,186 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 59 states. [2018-07-23 13:37:37,188 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 59 to 59. [2018-07-23 13:37:37,188 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 59 states. [2018-07-23 13:37:37,189 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 59 states to 59 states and 59 transitions. [2018-07-23 13:37:37,189 INFO L78 Accepts]: Start accepts. Automaton has 59 states and 59 transitions. Word has length 57 [2018-07-23 13:37:37,189 INFO L84 Accepts]: Finished accepts. word is rejected. [2018-07-23 13:37:37,189 INFO L471 AbstractCegarLoop]: Abstraction has 59 states and 59 transitions. [2018-07-23 13:37:37,189 INFO L472 AbstractCegarLoop]: Interpolant automaton has 57 states. [2018-07-23 13:37:37,189 INFO L276 IsEmpty]: Start isEmpty. Operand 59 states and 59 transitions. [2018-07-23 13:37:37,190 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 59 [2018-07-23 13:37:37,190 INFO L349 BasicCegarLoop]: Found error trace [2018-07-23 13:37:37,190 INFO L357 BasicCegarLoop]: trace histogram [55, 1, 1, 1] [2018-07-23 13:37:37,191 INFO L414 AbstractCegarLoop]: === Iteration 56 === [ULTIMATE.startErr0AssertViolationASSERT]=== [2018-07-23 13:37:37,191 INFO L82 PathProgramCache]: Analyzing trace with hash 2106063752, now seen corresponding path program 55 times [2018-07-23 13:37:37,191 INFO L69 tionRefinementEngine]: Using refinement strategy FixedRefinementStrategy [2018-07-23 13:37:37,207 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-07-23 13:37:37,455 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 13:37:37,455 INFO L309 seRefinementStrategy]: Constructing automaton from 0 perfect and 1 imperfect interpolant sequences. [2018-07-23 13:37:37,455 INFO L324 seRefinementStrategy]: Number of different interpolants: perfect sequences [] imperfect sequences [57] total 57 [2018-07-23 13:37:37,456 INFO L142 lantAutomatonBuilder]: Constructing canonical interpolant automaton, with selfloop in false state [2018-07-23 13:37:37,456 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2018-07-23 13:37:37,456 INFO L185 omatonBuilderFactory]: Interpolants [8960#(<= ULTIMATE.start_main_~i~4 76), 8961#(<= ULTIMATE.start_main_~i~4 78), 8962#(<= ULTIMATE.start_main_~i~4 80), 8963#(<= ULTIMATE.start_main_~i~4 82), 8964#(<= ULTIMATE.start_main_~i~4 84), 8965#(<= ULTIMATE.start_main_~i~4 86), 8966#(<= ULTIMATE.start_main_~i~4 88), 8967#(<= ULTIMATE.start_main_~i~4 90), 8968#(<= ULTIMATE.start_main_~i~4 92), 8969#(<= ULTIMATE.start_main_~i~4 94), 8970#(<= ULTIMATE.start_main_~i~4 96), 8971#(<= ULTIMATE.start_main_~i~4 98), 8972#(<= ULTIMATE.start_main_~i~4 100), 8973#(<= ULTIMATE.start_main_~i~4 102), 8974#(<= ULTIMATE.start_main_~i~4 104), 8975#(<= ULTIMATE.start_main_~i~4 106), 8976#(<= ULTIMATE.start_main_~i~4 108), 8977#(<= ULTIMATE.start_main_~i~4 110), 8920#true, 8921#false, 8922#(<= ULTIMATE.start_main_~i~4 0), 8923#(<= ULTIMATE.start_main_~i~4 2), 8924#(<= ULTIMATE.start_main_~i~4 4), 8925#(<= ULTIMATE.start_main_~i~4 6), 8926#(<= ULTIMATE.start_main_~i~4 8), 8927#(<= ULTIMATE.start_main_~i~4 10), 8928#(<= ULTIMATE.start_main_~i~4 12), 8929#(<= ULTIMATE.start_main_~i~4 14), 8930#(<= ULTIMATE.start_main_~i~4 16), 8931#(<= ULTIMATE.start_main_~i~4 18), 8932#(<= ULTIMATE.start_main_~i~4 20), 8933#(<= ULTIMATE.start_main_~i~4 22), 8934#(<= ULTIMATE.start_main_~i~4 24), 8935#(<= ULTIMATE.start_main_~i~4 26), 8936#(<= ULTIMATE.start_main_~i~4 28), 8937#(<= ULTIMATE.start_main_~i~4 30), 8938#(<= ULTIMATE.start_main_~i~4 32), 8939#(<= ULTIMATE.start_main_~i~4 34), 8940#(<= ULTIMATE.start_main_~i~4 36), 8941#(<= ULTIMATE.start_main_~i~4 38), 8942#(<= ULTIMATE.start_main_~i~4 40), 8943#(<= ULTIMATE.start_main_~i~4 42), 8944#(<= ULTIMATE.start_main_~i~4 44), 8945#(<= ULTIMATE.start_main_~i~4 46), 8946#(<= ULTIMATE.start_main_~i~4 48), 8947#(<= ULTIMATE.start_main_~i~4 50), 8948#(<= ULTIMATE.start_main_~i~4 52), 8949#(<= ULTIMATE.start_main_~i~4 54), 8950#(<= ULTIMATE.start_main_~i~4 56), 8951#(<= ULTIMATE.start_main_~i~4 58), 8952#(<= ULTIMATE.start_main_~i~4 60), 8953#(<= ULTIMATE.start_main_~i~4 62), 8954#(<= ULTIMATE.start_main_~i~4 64), 8955#(<= ULTIMATE.start_main_~i~4 66), 8956#(<= ULTIMATE.start_main_~i~4 68), 8957#(<= ULTIMATE.start_main_~i~4 70), 8958#(<= ULTIMATE.start_main_~i~4 72), 8959#(<= ULTIMATE.start_main_~i~4 74)] [2018-07-23 13:37:37,457 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 13:37:37,457 INFO L450 AbstractCegarLoop]: Interpolant automaton has 58 states [2018-07-23 13:37:37,458 INFO L132 InterpolantAutomaton]: Constructing interpolant automaton starting with 58 interpolants. [2018-07-23 13:37:37,459 INFO L133 InterpolantAutomaton]: CoverageRelationStatistics Valid=1653, Invalid=1653, Unknown=0, NotChecked=0, Total=3306 [2018-07-23 13:37:37,459 INFO L87 Difference]: Start difference. First operand 59 states and 59 transitions. Second operand 58 states. [2018-07-23 13:37:37,485 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2018-07-23 13:37:37,486 INFO L93 Difference]: Finished difference Result 62 states and 62 transitions. [2018-07-23 13:37:37,486 INFO L142 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 58 states. [2018-07-23 13:37:37,486 INFO L78 Accepts]: Start accepts. Automaton has 58 states. Word has length 58 [2018-07-23 13:37:37,486 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2018-07-23 13:37:37,487 INFO L225 Difference]: With dead ends: 62 [2018-07-23 13:37:37,487 INFO L226 Difference]: Without dead ends: 60 [2018-07-23 13:37:37,488 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 13:37:37,489 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 60 states. [2018-07-23 13:37:37,491 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 60 to 60. [2018-07-23 13:37:37,492 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 60 states. [2018-07-23 13:37:37,492 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 60 states to 60 states and 60 transitions. [2018-07-23 13:37:37,492 INFO L78 Accepts]: Start accepts. Automaton has 60 states and 60 transitions. Word has length 58 [2018-07-23 13:37:37,492 INFO L84 Accepts]: Finished accepts. word is rejected. [2018-07-23 13:37:37,493 INFO L471 AbstractCegarLoop]: Abstraction has 60 states and 60 transitions. [2018-07-23 13:37:37,493 INFO L472 AbstractCegarLoop]: Interpolant automaton has 58 states. [2018-07-23 13:37:37,493 INFO L276 IsEmpty]: Start isEmpty. Operand 60 states and 60 transitions. [2018-07-23 13:37:37,494 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 60 [2018-07-23 13:37:37,494 INFO L349 BasicCegarLoop]: Found error trace [2018-07-23 13:37:37,494 INFO L357 BasicCegarLoop]: trace histogram [56, 1, 1, 1] [2018-07-23 13:37:37,494 INFO L414 AbstractCegarLoop]: === Iteration 57 === [ULTIMATE.startErr0AssertViolationASSERT]=== [2018-07-23 13:37:37,494 INFO L82 PathProgramCache]: Analyzing trace with hash 863464897, now seen corresponding path program 56 times [2018-07-23 13:37:37,495 INFO L69 tionRefinementEngine]: Using refinement strategy FixedRefinementStrategy [2018-07-23 13:37:37,511 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-07-23 13:37:37,765 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 13:37:37,765 INFO L309 seRefinementStrategy]: Constructing automaton from 0 perfect and 1 imperfect interpolant sequences. [2018-07-23 13:37:37,765 INFO L324 seRefinementStrategy]: Number of different interpolants: perfect sequences [] imperfect sequences [58] total 58 [2018-07-23 13:37:37,765 INFO L142 lantAutomatonBuilder]: Constructing canonical interpolant automaton, with selfloop in false state [2018-07-23 13:37:37,766 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2018-07-23 13:37:37,766 INFO L185 omatonBuilderFactory]: Interpolants [9222#true, 9223#false, 9224#(<= ULTIMATE.start_main_~i~4 0), 9225#(<= ULTIMATE.start_main_~i~4 2), 9226#(<= ULTIMATE.start_main_~i~4 4), 9227#(<= ULTIMATE.start_main_~i~4 6), 9228#(<= ULTIMATE.start_main_~i~4 8), 9229#(<= ULTIMATE.start_main_~i~4 10), 9230#(<= ULTIMATE.start_main_~i~4 12), 9231#(<= ULTIMATE.start_main_~i~4 14), 9232#(<= ULTIMATE.start_main_~i~4 16), 9233#(<= ULTIMATE.start_main_~i~4 18), 9234#(<= ULTIMATE.start_main_~i~4 20), 9235#(<= ULTIMATE.start_main_~i~4 22), 9236#(<= ULTIMATE.start_main_~i~4 24), 9237#(<= ULTIMATE.start_main_~i~4 26), 9238#(<= ULTIMATE.start_main_~i~4 28), 9239#(<= ULTIMATE.start_main_~i~4 30), 9240#(<= ULTIMATE.start_main_~i~4 32), 9241#(<= ULTIMATE.start_main_~i~4 34), 9242#(<= ULTIMATE.start_main_~i~4 36), 9243#(<= ULTIMATE.start_main_~i~4 38), 9244#(<= ULTIMATE.start_main_~i~4 40), 9245#(<= ULTIMATE.start_main_~i~4 42), 9246#(<= ULTIMATE.start_main_~i~4 44), 9247#(<= ULTIMATE.start_main_~i~4 46), 9248#(<= ULTIMATE.start_main_~i~4 48), 9249#(<= ULTIMATE.start_main_~i~4 50), 9250#(<= ULTIMATE.start_main_~i~4 52), 9251#(<= ULTIMATE.start_main_~i~4 54), 9252#(<= ULTIMATE.start_main_~i~4 56), 9253#(<= ULTIMATE.start_main_~i~4 58), 9254#(<= ULTIMATE.start_main_~i~4 60), 9255#(<= ULTIMATE.start_main_~i~4 62), 9256#(<= ULTIMATE.start_main_~i~4 64), 9257#(<= ULTIMATE.start_main_~i~4 66), 9258#(<= ULTIMATE.start_main_~i~4 68), 9259#(<= ULTIMATE.start_main_~i~4 70), 9260#(<= ULTIMATE.start_main_~i~4 72), 9261#(<= ULTIMATE.start_main_~i~4 74), 9262#(<= ULTIMATE.start_main_~i~4 76), 9263#(<= ULTIMATE.start_main_~i~4 78), 9264#(<= ULTIMATE.start_main_~i~4 80), 9265#(<= ULTIMATE.start_main_~i~4 82), 9266#(<= ULTIMATE.start_main_~i~4 84), 9267#(<= ULTIMATE.start_main_~i~4 86), 9268#(<= ULTIMATE.start_main_~i~4 88), 9269#(<= ULTIMATE.start_main_~i~4 90), 9270#(<= ULTIMATE.start_main_~i~4 92), 9271#(<= ULTIMATE.start_main_~i~4 94), 9272#(<= ULTIMATE.start_main_~i~4 96), 9273#(<= ULTIMATE.start_main_~i~4 98), 9274#(<= ULTIMATE.start_main_~i~4 100), 9275#(<= ULTIMATE.start_main_~i~4 102), 9276#(<= ULTIMATE.start_main_~i~4 104), 9277#(<= ULTIMATE.start_main_~i~4 106), 9278#(<= ULTIMATE.start_main_~i~4 108), 9279#(<= ULTIMATE.start_main_~i~4 110), 9280#(<= ULTIMATE.start_main_~i~4 112)] [2018-07-23 13:37:37,767 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 13:37:37,767 INFO L450 AbstractCegarLoop]: Interpolant automaton has 59 states [2018-07-23 13:37:37,767 INFO L132 InterpolantAutomaton]: Constructing interpolant automaton starting with 59 interpolants. [2018-07-23 13:37:37,768 INFO L133 InterpolantAutomaton]: CoverageRelationStatistics Valid=1711, Invalid=1711, Unknown=0, NotChecked=0, Total=3422 [2018-07-23 13:37:37,768 INFO L87 Difference]: Start difference. First operand 60 states and 60 transitions. Second operand 59 states. [2018-07-23 13:37:37,807 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2018-07-23 13:37:37,807 INFO L93 Difference]: Finished difference Result 63 states and 63 transitions. [2018-07-23 13:37:37,807 INFO L142 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 59 states. [2018-07-23 13:37:37,807 INFO L78 Accepts]: Start accepts. Automaton has 59 states. Word has length 59 [2018-07-23 13:37:37,808 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2018-07-23 13:37:37,808 INFO L225 Difference]: With dead ends: 63 [2018-07-23 13:37:37,808 INFO L226 Difference]: Without dead ends: 61 [2018-07-23 13:37:37,809 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 13:37:37,809 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 61 states. [2018-07-23 13:37:37,811 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 61 to 61. [2018-07-23 13:37:37,811 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 61 states. [2018-07-23 13:37:37,813 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 61 states to 61 states and 61 transitions. [2018-07-23 13:37:37,813 INFO L78 Accepts]: Start accepts. Automaton has 61 states and 61 transitions. Word has length 59 [2018-07-23 13:37:37,813 INFO L84 Accepts]: Finished accepts. word is rejected. [2018-07-23 13:37:37,813 INFO L471 AbstractCegarLoop]: Abstraction has 61 states and 61 transitions. [2018-07-23 13:37:37,813 INFO L472 AbstractCegarLoop]: Interpolant automaton has 59 states. [2018-07-23 13:37:37,814 INFO L276 IsEmpty]: Start isEmpty. Operand 61 states and 61 transitions. [2018-07-23 13:37:37,814 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 61 [2018-07-23 13:37:37,814 INFO L349 BasicCegarLoop]: Found error trace [2018-07-23 13:37:37,814 INFO L357 BasicCegarLoop]: trace histogram [57, 1, 1, 1] [2018-07-23 13:37:37,815 INFO L414 AbstractCegarLoop]: === Iteration 58 === [ULTIMATE.startErr0AssertViolationASSERT]=== [2018-07-23 13:37:37,815 INFO L82 PathProgramCache]: Analyzing trace with hash 997606056, now seen corresponding path program 57 times [2018-07-23 13:37:37,815 INFO L69 tionRefinementEngine]: Using refinement strategy FixedRefinementStrategy [2018-07-23 13:37:37,826 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-07-23 13:37:38,035 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 13:37:38,036 INFO L309 seRefinementStrategy]: Constructing automaton from 0 perfect and 1 imperfect interpolant sequences. [2018-07-23 13:37:38,036 INFO L324 seRefinementStrategy]: Number of different interpolants: perfect sequences [] imperfect sequences [59] total 59 [2018-07-23 13:37:38,036 INFO L142 lantAutomatonBuilder]: Constructing canonical interpolant automaton, with selfloop in false state [2018-07-23 13:37:38,036 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2018-07-23 13:37:38,037 INFO L185 omatonBuilderFactory]: Interpolants [9529#true, 9530#false, 9531#(<= ULTIMATE.start_main_~i~4 0), 9532#(<= ULTIMATE.start_main_~i~4 2), 9533#(<= ULTIMATE.start_main_~i~4 4), 9534#(<= ULTIMATE.start_main_~i~4 6), 9535#(<= ULTIMATE.start_main_~i~4 8), 9536#(<= ULTIMATE.start_main_~i~4 10), 9537#(<= ULTIMATE.start_main_~i~4 12), 9538#(<= ULTIMATE.start_main_~i~4 14), 9539#(<= ULTIMATE.start_main_~i~4 16), 9540#(<= ULTIMATE.start_main_~i~4 18), 9541#(<= ULTIMATE.start_main_~i~4 20), 9542#(<= ULTIMATE.start_main_~i~4 22), 9543#(<= ULTIMATE.start_main_~i~4 24), 9544#(<= ULTIMATE.start_main_~i~4 26), 9545#(<= ULTIMATE.start_main_~i~4 28), 9546#(<= ULTIMATE.start_main_~i~4 30), 9547#(<= ULTIMATE.start_main_~i~4 32), 9548#(<= ULTIMATE.start_main_~i~4 34), 9549#(<= ULTIMATE.start_main_~i~4 36), 9550#(<= ULTIMATE.start_main_~i~4 38), 9551#(<= ULTIMATE.start_main_~i~4 40), 9552#(<= ULTIMATE.start_main_~i~4 42), 9553#(<= ULTIMATE.start_main_~i~4 44), 9554#(<= ULTIMATE.start_main_~i~4 46), 9555#(<= ULTIMATE.start_main_~i~4 48), 9556#(<= ULTIMATE.start_main_~i~4 50), 9557#(<= ULTIMATE.start_main_~i~4 52), 9558#(<= ULTIMATE.start_main_~i~4 54), 9559#(<= ULTIMATE.start_main_~i~4 56), 9560#(<= ULTIMATE.start_main_~i~4 58), 9561#(<= ULTIMATE.start_main_~i~4 60), 9562#(<= ULTIMATE.start_main_~i~4 62), 9563#(<= ULTIMATE.start_main_~i~4 64), 9564#(<= ULTIMATE.start_main_~i~4 66), 9565#(<= ULTIMATE.start_main_~i~4 68), 9566#(<= ULTIMATE.start_main_~i~4 70), 9567#(<= ULTIMATE.start_main_~i~4 72), 9568#(<= ULTIMATE.start_main_~i~4 74), 9569#(<= ULTIMATE.start_main_~i~4 76), 9570#(<= ULTIMATE.start_main_~i~4 78), 9571#(<= ULTIMATE.start_main_~i~4 80), 9572#(<= ULTIMATE.start_main_~i~4 82), 9573#(<= ULTIMATE.start_main_~i~4 84), 9574#(<= ULTIMATE.start_main_~i~4 86), 9575#(<= ULTIMATE.start_main_~i~4 88), 9576#(<= ULTIMATE.start_main_~i~4 90), 9577#(<= ULTIMATE.start_main_~i~4 92), 9578#(<= ULTIMATE.start_main_~i~4 94), 9579#(<= ULTIMATE.start_main_~i~4 96), 9580#(<= ULTIMATE.start_main_~i~4 98), 9581#(<= ULTIMATE.start_main_~i~4 100), 9582#(<= ULTIMATE.start_main_~i~4 102), 9583#(<= ULTIMATE.start_main_~i~4 104), 9584#(<= ULTIMATE.start_main_~i~4 106), 9585#(<= ULTIMATE.start_main_~i~4 108), 9586#(<= ULTIMATE.start_main_~i~4 110), 9587#(<= ULTIMATE.start_main_~i~4 112), 9588#(<= ULTIMATE.start_main_~i~4 114)] [2018-07-23 13:37:38,037 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 13:37:38,038 INFO L450 AbstractCegarLoop]: Interpolant automaton has 60 states [2018-07-23 13:37:38,038 INFO L132 InterpolantAutomaton]: Constructing interpolant automaton starting with 60 interpolants. [2018-07-23 13:37:38,039 INFO L133 InterpolantAutomaton]: CoverageRelationStatistics Valid=1770, Invalid=1770, Unknown=0, NotChecked=0, Total=3540 [2018-07-23 13:37:38,039 INFO L87 Difference]: Start difference. First operand 61 states and 61 transitions. Second operand 60 states. [2018-07-23 13:37:38,080 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2018-07-23 13:37:38,080 INFO L93 Difference]: Finished difference Result 64 states and 64 transitions. [2018-07-23 13:37:38,080 INFO L142 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 60 states. [2018-07-23 13:37:38,080 INFO L78 Accepts]: Start accepts. Automaton has 60 states. Word has length 60 [2018-07-23 13:37:38,081 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2018-07-23 13:37:38,081 INFO L225 Difference]: With dead ends: 64 [2018-07-23 13:37:38,081 INFO L226 Difference]: Without dead ends: 62 [2018-07-23 13:37:38,083 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 13:37:38,083 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 62 states. [2018-07-23 13:37:38,087 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 62 to 62. [2018-07-23 13:37:38,087 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 62 states. [2018-07-23 13:37:38,087 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 62 states to 62 states and 62 transitions. [2018-07-23 13:37:38,087 INFO L78 Accepts]: Start accepts. Automaton has 62 states and 62 transitions. Word has length 60 [2018-07-23 13:37:38,088 INFO L84 Accepts]: Finished accepts. word is rejected. [2018-07-23 13:37:38,088 INFO L471 AbstractCegarLoop]: Abstraction has 62 states and 62 transitions. [2018-07-23 13:37:38,088 INFO L472 AbstractCegarLoop]: Interpolant automaton has 60 states. [2018-07-23 13:37:38,088 INFO L276 IsEmpty]: Start isEmpty. Operand 62 states and 62 transitions. [2018-07-23 13:37:38,089 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 62 [2018-07-23 13:37:38,089 INFO L349 BasicCegarLoop]: Found error trace [2018-07-23 13:37:38,089 INFO L357 BasicCegarLoop]: trace histogram [58, 1, 1, 1] [2018-07-23 13:37:38,089 INFO L414 AbstractCegarLoop]: === Iteration 59 === [ULTIMATE.startErr0AssertViolationASSERT]=== [2018-07-23 13:37:38,089 INFO L82 PathProgramCache]: Analyzing trace with hash 861014689, now seen corresponding path program 58 times [2018-07-23 13:37:38,089 INFO L69 tionRefinementEngine]: Using refinement strategy FixedRefinementStrategy [2018-07-23 13:37:38,103 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-07-23 13:37:38,338 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 13:37:38,338 INFO L309 seRefinementStrategy]: Constructing automaton from 0 perfect and 1 imperfect interpolant sequences. [2018-07-23 13:37:38,338 INFO L324 seRefinementStrategy]: Number of different interpolants: perfect sequences [] imperfect sequences [60] total 60 [2018-07-23 13:37:38,339 INFO L142 lantAutomatonBuilder]: Constructing canonical interpolant automaton, with selfloop in false state [2018-07-23 13:37:38,339 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2018-07-23 13:37:38,339 INFO L185 omatonBuilderFactory]: Interpolants [9856#(<= ULTIMATE.start_main_~i~4 26), 9857#(<= ULTIMATE.start_main_~i~4 28), 9858#(<= ULTIMATE.start_main_~i~4 30), 9859#(<= ULTIMATE.start_main_~i~4 32), 9860#(<= ULTIMATE.start_main_~i~4 34), 9861#(<= ULTIMATE.start_main_~i~4 36), 9862#(<= ULTIMATE.start_main_~i~4 38), 9863#(<= ULTIMATE.start_main_~i~4 40), 9864#(<= ULTIMATE.start_main_~i~4 42), 9865#(<= ULTIMATE.start_main_~i~4 44), 9866#(<= ULTIMATE.start_main_~i~4 46), 9867#(<= ULTIMATE.start_main_~i~4 48), 9868#(<= ULTIMATE.start_main_~i~4 50), 9869#(<= ULTIMATE.start_main_~i~4 52), 9870#(<= ULTIMATE.start_main_~i~4 54), 9871#(<= ULTIMATE.start_main_~i~4 56), 9872#(<= ULTIMATE.start_main_~i~4 58), 9873#(<= ULTIMATE.start_main_~i~4 60), 9874#(<= ULTIMATE.start_main_~i~4 62), 9875#(<= ULTIMATE.start_main_~i~4 64), 9876#(<= ULTIMATE.start_main_~i~4 66), 9877#(<= ULTIMATE.start_main_~i~4 68), 9878#(<= ULTIMATE.start_main_~i~4 70), 9879#(<= ULTIMATE.start_main_~i~4 72), 9880#(<= ULTIMATE.start_main_~i~4 74), 9881#(<= ULTIMATE.start_main_~i~4 76), 9882#(<= ULTIMATE.start_main_~i~4 78), 9883#(<= ULTIMATE.start_main_~i~4 80), 9884#(<= ULTIMATE.start_main_~i~4 82), 9885#(<= ULTIMATE.start_main_~i~4 84), 9886#(<= ULTIMATE.start_main_~i~4 86), 9887#(<= ULTIMATE.start_main_~i~4 88), 9888#(<= ULTIMATE.start_main_~i~4 90), 9889#(<= ULTIMATE.start_main_~i~4 92), 9890#(<= ULTIMATE.start_main_~i~4 94), 9891#(<= ULTIMATE.start_main_~i~4 96), 9892#(<= ULTIMATE.start_main_~i~4 98), 9893#(<= ULTIMATE.start_main_~i~4 100), 9894#(<= ULTIMATE.start_main_~i~4 102), 9895#(<= ULTIMATE.start_main_~i~4 104), 9896#(<= ULTIMATE.start_main_~i~4 106), 9897#(<= ULTIMATE.start_main_~i~4 108), 9898#(<= ULTIMATE.start_main_~i~4 110), 9899#(<= ULTIMATE.start_main_~i~4 112), 9900#(<= ULTIMATE.start_main_~i~4 114), 9901#(<= ULTIMATE.start_main_~i~4 116), 9841#true, 9842#false, 9843#(<= ULTIMATE.start_main_~i~4 0), 9844#(<= ULTIMATE.start_main_~i~4 2), 9845#(<= ULTIMATE.start_main_~i~4 4), 9846#(<= ULTIMATE.start_main_~i~4 6), 9847#(<= ULTIMATE.start_main_~i~4 8), 9848#(<= ULTIMATE.start_main_~i~4 10), 9849#(<= ULTIMATE.start_main_~i~4 12), 9850#(<= ULTIMATE.start_main_~i~4 14), 9851#(<= ULTIMATE.start_main_~i~4 16), 9852#(<= ULTIMATE.start_main_~i~4 18), 9853#(<= ULTIMATE.start_main_~i~4 20), 9854#(<= ULTIMATE.start_main_~i~4 22), 9855#(<= ULTIMATE.start_main_~i~4 24)] [2018-07-23 13:37:38,340 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 13:37:38,340 INFO L450 AbstractCegarLoop]: Interpolant automaton has 61 states [2018-07-23 13:37:38,343 INFO L132 InterpolantAutomaton]: Constructing interpolant automaton starting with 61 interpolants. [2018-07-23 13:37:38,344 INFO L133 InterpolantAutomaton]: CoverageRelationStatistics Valid=1830, Invalid=1830, Unknown=0, NotChecked=0, Total=3660 [2018-07-23 13:37:38,344 INFO L87 Difference]: Start difference. First operand 62 states and 62 transitions. Second operand 61 states. [2018-07-23 13:37:38,388 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2018-07-23 13:37:38,389 INFO L93 Difference]: Finished difference Result 65 states and 65 transitions. [2018-07-23 13:37:38,389 INFO L142 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 61 states. [2018-07-23 13:37:38,389 INFO L78 Accepts]: Start accepts. Automaton has 61 states. Word has length 61 [2018-07-23 13:37:38,389 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2018-07-23 13:37:38,390 INFO L225 Difference]: With dead ends: 65 [2018-07-23 13:37:38,390 INFO L226 Difference]: Without dead ends: 63 [2018-07-23 13:37:38,391 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 13:37:38,392 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 63 states. [2018-07-23 13:37:38,394 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 63 to 63. [2018-07-23 13:37:38,394 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 63 states. [2018-07-23 13:37:38,394 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 63 states to 63 states and 63 transitions. [2018-07-23 13:37:38,394 INFO L78 Accepts]: Start accepts. Automaton has 63 states and 63 transitions. Word has length 61 [2018-07-23 13:37:38,394 INFO L84 Accepts]: Finished accepts. word is rejected. [2018-07-23 13:37:38,394 INFO L471 AbstractCegarLoop]: Abstraction has 63 states and 63 transitions. [2018-07-23 13:37:38,395 INFO L472 AbstractCegarLoop]: Interpolant automaton has 61 states. [2018-07-23 13:37:38,395 INFO L276 IsEmpty]: Start isEmpty. Operand 63 states and 63 transitions. [2018-07-23 13:37:38,395 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 63 [2018-07-23 13:37:38,395 INFO L349 BasicCegarLoop]: Found error trace [2018-07-23 13:37:38,395 INFO L357 BasicCegarLoop]: trace histogram [59, 1, 1, 1] [2018-07-23 13:37:38,396 INFO L414 AbstractCegarLoop]: === Iteration 60 === [ULTIMATE.startErr0AssertViolationASSERT]=== [2018-07-23 13:37:38,396 INFO L82 PathProgramCache]: Analyzing trace with hash 921649608, now seen corresponding path program 59 times [2018-07-23 13:37:38,396 INFO L69 tionRefinementEngine]: Using refinement strategy FixedRefinementStrategy [2018-07-23 13:37:38,408 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-07-23 13:37:38,640 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 13:37:38,640 INFO L309 seRefinementStrategy]: Constructing automaton from 0 perfect and 1 imperfect interpolant sequences. [2018-07-23 13:37:38,640 INFO L324 seRefinementStrategy]: Number of different interpolants: perfect sequences [] imperfect sequences [61] total 61 [2018-07-23 13:37:38,640 INFO L142 lantAutomatonBuilder]: Constructing canonical interpolant automaton, with selfloop in false state [2018-07-23 13:37:38,641 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2018-07-23 13:37:38,641 INFO L185 omatonBuilderFactory]: Interpolants [10158#true, 10159#false, 10160#(<= ULTIMATE.start_main_~i~4 0), 10161#(<= ULTIMATE.start_main_~i~4 2), 10162#(<= ULTIMATE.start_main_~i~4 4), 10163#(<= ULTIMATE.start_main_~i~4 6), 10164#(<= ULTIMATE.start_main_~i~4 8), 10165#(<= ULTIMATE.start_main_~i~4 10), 10166#(<= ULTIMATE.start_main_~i~4 12), 10167#(<= ULTIMATE.start_main_~i~4 14), 10168#(<= ULTIMATE.start_main_~i~4 16), 10169#(<= ULTIMATE.start_main_~i~4 18), 10170#(<= ULTIMATE.start_main_~i~4 20), 10171#(<= ULTIMATE.start_main_~i~4 22), 10172#(<= ULTIMATE.start_main_~i~4 24), 10173#(<= ULTIMATE.start_main_~i~4 26), 10174#(<= ULTIMATE.start_main_~i~4 28), 10175#(<= ULTIMATE.start_main_~i~4 30), 10176#(<= ULTIMATE.start_main_~i~4 32), 10177#(<= ULTIMATE.start_main_~i~4 34), 10178#(<= ULTIMATE.start_main_~i~4 36), 10179#(<= ULTIMATE.start_main_~i~4 38), 10180#(<= ULTIMATE.start_main_~i~4 40), 10181#(<= ULTIMATE.start_main_~i~4 42), 10182#(<= ULTIMATE.start_main_~i~4 44), 10183#(<= ULTIMATE.start_main_~i~4 46), 10184#(<= ULTIMATE.start_main_~i~4 48), 10185#(<= ULTIMATE.start_main_~i~4 50), 10186#(<= ULTIMATE.start_main_~i~4 52), 10187#(<= ULTIMATE.start_main_~i~4 54), 10188#(<= ULTIMATE.start_main_~i~4 56), 10189#(<= ULTIMATE.start_main_~i~4 58), 10190#(<= ULTIMATE.start_main_~i~4 60), 10191#(<= ULTIMATE.start_main_~i~4 62), 10192#(<= ULTIMATE.start_main_~i~4 64), 10193#(<= ULTIMATE.start_main_~i~4 66), 10194#(<= ULTIMATE.start_main_~i~4 68), 10195#(<= ULTIMATE.start_main_~i~4 70), 10196#(<= ULTIMATE.start_main_~i~4 72), 10197#(<= ULTIMATE.start_main_~i~4 74), 10198#(<= ULTIMATE.start_main_~i~4 76), 10199#(<= ULTIMATE.start_main_~i~4 78), 10200#(<= ULTIMATE.start_main_~i~4 80), 10201#(<= ULTIMATE.start_main_~i~4 82), 10202#(<= ULTIMATE.start_main_~i~4 84), 10203#(<= ULTIMATE.start_main_~i~4 86), 10204#(<= ULTIMATE.start_main_~i~4 88), 10205#(<= ULTIMATE.start_main_~i~4 90), 10206#(<= ULTIMATE.start_main_~i~4 92), 10207#(<= ULTIMATE.start_main_~i~4 94), 10208#(<= ULTIMATE.start_main_~i~4 96), 10209#(<= ULTIMATE.start_main_~i~4 98), 10210#(<= ULTIMATE.start_main_~i~4 100), 10211#(<= ULTIMATE.start_main_~i~4 102), 10212#(<= ULTIMATE.start_main_~i~4 104), 10213#(<= ULTIMATE.start_main_~i~4 106), 10214#(<= ULTIMATE.start_main_~i~4 108), 10215#(<= ULTIMATE.start_main_~i~4 110), 10216#(<= ULTIMATE.start_main_~i~4 112), 10217#(<= ULTIMATE.start_main_~i~4 114), 10218#(<= ULTIMATE.start_main_~i~4 116), 10219#(<= ULTIMATE.start_main_~i~4 118)] [2018-07-23 13:37:38,642 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 13:37:38,642 INFO L450 AbstractCegarLoop]: Interpolant automaton has 62 states [2018-07-23 13:37:38,642 INFO L132 InterpolantAutomaton]: Constructing interpolant automaton starting with 62 interpolants. [2018-07-23 13:37:38,643 INFO L133 InterpolantAutomaton]: CoverageRelationStatistics Valid=1891, Invalid=1891, Unknown=0, NotChecked=0, Total=3782 [2018-07-23 13:37:38,643 INFO L87 Difference]: Start difference. First operand 63 states and 63 transitions. Second operand 62 states. [2018-07-23 13:37:38,681 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2018-07-23 13:37:38,681 INFO L93 Difference]: Finished difference Result 66 states and 66 transitions. [2018-07-23 13:37:38,681 INFO L142 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 62 states. [2018-07-23 13:37:38,681 INFO L78 Accepts]: Start accepts. Automaton has 62 states. Word has length 62 [2018-07-23 13:37:38,682 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2018-07-23 13:37:38,682 INFO L225 Difference]: With dead ends: 66 [2018-07-23 13:37:38,682 INFO L226 Difference]: Without dead ends: 64 [2018-07-23 13:37:38,683 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 13:37:38,684 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 64 states. [2018-07-23 13:37:38,686 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 64 to 64. [2018-07-23 13:37:38,686 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 64 states. [2018-07-23 13:37:38,686 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 64 states to 64 states and 64 transitions. [2018-07-23 13:37:38,686 INFO L78 Accepts]: Start accepts. Automaton has 64 states and 64 transitions. Word has length 62 [2018-07-23 13:37:38,687 INFO L84 Accepts]: Finished accepts. word is rejected. [2018-07-23 13:37:38,687 INFO L471 AbstractCegarLoop]: Abstraction has 64 states and 64 transitions. [2018-07-23 13:37:38,687 INFO L472 AbstractCegarLoop]: Interpolant automaton has 62 states. [2018-07-23 13:37:38,687 INFO L276 IsEmpty]: Start isEmpty. Operand 64 states and 64 transitions. [2018-07-23 13:37:38,687 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 64 [2018-07-23 13:37:38,688 INFO L349 BasicCegarLoop]: Found error trace [2018-07-23 13:37:38,688 INFO L357 BasicCegarLoop]: trace histogram [60, 1, 1, 1] [2018-07-23 13:37:38,688 INFO L414 AbstractCegarLoop]: === Iteration 61 === [ULTIMATE.startErr0AssertViolationASSERT]=== [2018-07-23 13:37:38,688 INFO L82 PathProgramCache]: Analyzing trace with hash -1493635199, now seen corresponding path program 60 times [2018-07-23 13:37:38,688 INFO L69 tionRefinementEngine]: Using refinement strategy FixedRefinementStrategy [2018-07-23 13:37:38,701 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-07-23 13:37:38,907 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 13:37:38,907 INFO L309 seRefinementStrategy]: Constructing automaton from 0 perfect and 1 imperfect interpolant sequences. [2018-07-23 13:37:38,907 INFO L324 seRefinementStrategy]: Number of different interpolants: perfect sequences [] imperfect sequences [62] total 62 [2018-07-23 13:37:38,907 INFO L142 lantAutomatonBuilder]: Constructing canonical interpolant automaton, with selfloop in false state [2018-07-23 13:37:38,908 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2018-07-23 13:37:38,908 INFO L185 omatonBuilderFactory]: Interpolants [10496#(<= ULTIMATE.start_main_~i~4 28), 10497#(<= ULTIMATE.start_main_~i~4 30), 10498#(<= ULTIMATE.start_main_~i~4 32), 10499#(<= ULTIMATE.start_main_~i~4 34), 10500#(<= ULTIMATE.start_main_~i~4 36), 10501#(<= ULTIMATE.start_main_~i~4 38), 10502#(<= ULTIMATE.start_main_~i~4 40), 10503#(<= ULTIMATE.start_main_~i~4 42), 10504#(<= ULTIMATE.start_main_~i~4 44), 10505#(<= ULTIMATE.start_main_~i~4 46), 10506#(<= ULTIMATE.start_main_~i~4 48), 10507#(<= ULTIMATE.start_main_~i~4 50), 10508#(<= ULTIMATE.start_main_~i~4 52), 10509#(<= ULTIMATE.start_main_~i~4 54), 10510#(<= ULTIMATE.start_main_~i~4 56), 10511#(<= ULTIMATE.start_main_~i~4 58), 10512#(<= ULTIMATE.start_main_~i~4 60), 10513#(<= ULTIMATE.start_main_~i~4 62), 10514#(<= ULTIMATE.start_main_~i~4 64), 10515#(<= ULTIMATE.start_main_~i~4 66), 10516#(<= ULTIMATE.start_main_~i~4 68), 10517#(<= ULTIMATE.start_main_~i~4 70), 10518#(<= ULTIMATE.start_main_~i~4 72), 10519#(<= ULTIMATE.start_main_~i~4 74), 10520#(<= ULTIMATE.start_main_~i~4 76), 10521#(<= ULTIMATE.start_main_~i~4 78), 10522#(<= ULTIMATE.start_main_~i~4 80), 10523#(<= ULTIMATE.start_main_~i~4 82), 10524#(<= ULTIMATE.start_main_~i~4 84), 10525#(<= ULTIMATE.start_main_~i~4 86), 10526#(<= ULTIMATE.start_main_~i~4 88), 10527#(<= ULTIMATE.start_main_~i~4 90), 10528#(<= ULTIMATE.start_main_~i~4 92), 10529#(<= ULTIMATE.start_main_~i~4 94), 10530#(<= ULTIMATE.start_main_~i~4 96), 10531#(<= ULTIMATE.start_main_~i~4 98), 10532#(<= ULTIMATE.start_main_~i~4 100), 10533#(<= ULTIMATE.start_main_~i~4 102), 10534#(<= ULTIMATE.start_main_~i~4 104), 10535#(<= ULTIMATE.start_main_~i~4 106), 10536#(<= ULTIMATE.start_main_~i~4 108), 10537#(<= ULTIMATE.start_main_~i~4 110), 10538#(<= ULTIMATE.start_main_~i~4 112), 10539#(<= ULTIMATE.start_main_~i~4 114), 10540#(<= ULTIMATE.start_main_~i~4 116), 10541#(<= ULTIMATE.start_main_~i~4 118), 10542#(<= ULTIMATE.start_main_~i~4 120), 10480#true, 10481#false, 10482#(<= ULTIMATE.start_main_~i~4 0), 10483#(<= ULTIMATE.start_main_~i~4 2), 10484#(<= ULTIMATE.start_main_~i~4 4), 10485#(<= ULTIMATE.start_main_~i~4 6), 10486#(<= ULTIMATE.start_main_~i~4 8), 10487#(<= ULTIMATE.start_main_~i~4 10), 10488#(<= ULTIMATE.start_main_~i~4 12), 10489#(<= ULTIMATE.start_main_~i~4 14), 10490#(<= ULTIMATE.start_main_~i~4 16), 10491#(<= ULTIMATE.start_main_~i~4 18), 10492#(<= ULTIMATE.start_main_~i~4 20), 10493#(<= ULTIMATE.start_main_~i~4 22), 10494#(<= ULTIMATE.start_main_~i~4 24), 10495#(<= ULTIMATE.start_main_~i~4 26)] [2018-07-23 13:37:38,908 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 13:37:38,909 INFO L450 AbstractCegarLoop]: Interpolant automaton has 63 states [2018-07-23 13:37:38,909 INFO L132 InterpolantAutomaton]: Constructing interpolant automaton starting with 63 interpolants. [2018-07-23 13:37:38,910 INFO L133 InterpolantAutomaton]: CoverageRelationStatistics Valid=1953, Invalid=1953, Unknown=0, NotChecked=0, Total=3906 [2018-07-23 13:37:38,910 INFO L87 Difference]: Start difference. First operand 64 states and 64 transitions. Second operand 63 states. [2018-07-23 13:37:38,947 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2018-07-23 13:37:38,947 INFO L93 Difference]: Finished difference Result 67 states and 67 transitions. [2018-07-23 13:37:38,948 INFO L142 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 63 states. [2018-07-23 13:37:38,948 INFO L78 Accepts]: Start accepts. Automaton has 63 states. Word has length 63 [2018-07-23 13:37:38,948 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2018-07-23 13:37:38,948 INFO L225 Difference]: With dead ends: 67 [2018-07-23 13:37:38,948 INFO L226 Difference]: Without dead ends: 65 [2018-07-23 13:37:38,950 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 13:37:38,950 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 65 states. [2018-07-23 13:37:38,952 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 65 to 65. [2018-07-23 13:37:38,952 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 65 states. [2018-07-23 13:37:38,953 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 65 states to 65 states and 65 transitions. [2018-07-23 13:37:38,953 INFO L78 Accepts]: Start accepts. Automaton has 65 states and 65 transitions. Word has length 63 [2018-07-23 13:37:38,953 INFO L84 Accepts]: Finished accepts. word is rejected. [2018-07-23 13:37:38,953 INFO L471 AbstractCegarLoop]: Abstraction has 65 states and 65 transitions. [2018-07-23 13:37:38,953 INFO L472 AbstractCegarLoop]: Interpolant automaton has 63 states. [2018-07-23 13:37:38,953 INFO L276 IsEmpty]: Start isEmpty. Operand 65 states and 65 transitions. [2018-07-23 13:37:38,954 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 65 [2018-07-23 13:37:38,954 INFO L349 BasicCegarLoop]: Found error trace [2018-07-23 13:37:38,954 INFO L357 BasicCegarLoop]: trace histogram [61, 1, 1, 1] [2018-07-23 13:37:38,954 INFO L414 AbstractCegarLoop]: === Iteration 62 === [ULTIMATE.startErr0AssertViolationASSERT]=== [2018-07-23 13:37:38,954 INFO L82 PathProgramCache]: Analyzing trace with hash 941947112, now seen corresponding path program 61 times [2018-07-23 13:37:38,955 INFO L69 tionRefinementEngine]: Using refinement strategy FixedRefinementStrategy [2018-07-23 13:37:38,968 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-07-23 13:37:39,167 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 13:37:39,167 INFO L309 seRefinementStrategy]: Constructing automaton from 0 perfect and 1 imperfect interpolant sequences. [2018-07-23 13:37:39,167 INFO L324 seRefinementStrategy]: Number of different interpolants: perfect sequences [] imperfect sequences [63] total 63 [2018-07-23 13:37:39,167 INFO L142 lantAutomatonBuilder]: Constructing canonical interpolant automaton, with selfloop in false state [2018-07-23 13:37:39,168 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2018-07-23 13:37:39,168 INFO L185 omatonBuilderFactory]: Interpolants [10807#true, 10808#false, 10809#(<= ULTIMATE.start_main_~i~4 0), 10810#(<= ULTIMATE.start_main_~i~4 2), 10811#(<= ULTIMATE.start_main_~i~4 4), 10812#(<= ULTIMATE.start_main_~i~4 6), 10813#(<= ULTIMATE.start_main_~i~4 8), 10814#(<= ULTIMATE.start_main_~i~4 10), 10815#(<= ULTIMATE.start_main_~i~4 12), 10816#(<= ULTIMATE.start_main_~i~4 14), 10817#(<= ULTIMATE.start_main_~i~4 16), 10818#(<= ULTIMATE.start_main_~i~4 18), 10819#(<= ULTIMATE.start_main_~i~4 20), 10820#(<= ULTIMATE.start_main_~i~4 22), 10821#(<= ULTIMATE.start_main_~i~4 24), 10822#(<= ULTIMATE.start_main_~i~4 26), 10823#(<= ULTIMATE.start_main_~i~4 28), 10824#(<= ULTIMATE.start_main_~i~4 30), 10825#(<= ULTIMATE.start_main_~i~4 32), 10826#(<= ULTIMATE.start_main_~i~4 34), 10827#(<= ULTIMATE.start_main_~i~4 36), 10828#(<= ULTIMATE.start_main_~i~4 38), 10829#(<= ULTIMATE.start_main_~i~4 40), 10830#(<= ULTIMATE.start_main_~i~4 42), 10831#(<= ULTIMATE.start_main_~i~4 44), 10832#(<= ULTIMATE.start_main_~i~4 46), 10833#(<= ULTIMATE.start_main_~i~4 48), 10834#(<= ULTIMATE.start_main_~i~4 50), 10835#(<= ULTIMATE.start_main_~i~4 52), 10836#(<= ULTIMATE.start_main_~i~4 54), 10837#(<= ULTIMATE.start_main_~i~4 56), 10838#(<= ULTIMATE.start_main_~i~4 58), 10839#(<= ULTIMATE.start_main_~i~4 60), 10840#(<= ULTIMATE.start_main_~i~4 62), 10841#(<= ULTIMATE.start_main_~i~4 64), 10842#(<= ULTIMATE.start_main_~i~4 66), 10843#(<= ULTIMATE.start_main_~i~4 68), 10844#(<= ULTIMATE.start_main_~i~4 70), 10845#(<= ULTIMATE.start_main_~i~4 72), 10846#(<= ULTIMATE.start_main_~i~4 74), 10847#(<= ULTIMATE.start_main_~i~4 76), 10848#(<= ULTIMATE.start_main_~i~4 78), 10849#(<= ULTIMATE.start_main_~i~4 80), 10850#(<= ULTIMATE.start_main_~i~4 82), 10851#(<= ULTIMATE.start_main_~i~4 84), 10852#(<= ULTIMATE.start_main_~i~4 86), 10853#(<= ULTIMATE.start_main_~i~4 88), 10854#(<= ULTIMATE.start_main_~i~4 90), 10855#(<= ULTIMATE.start_main_~i~4 92), 10856#(<= ULTIMATE.start_main_~i~4 94), 10857#(<= ULTIMATE.start_main_~i~4 96), 10858#(<= ULTIMATE.start_main_~i~4 98), 10859#(<= ULTIMATE.start_main_~i~4 100), 10860#(<= ULTIMATE.start_main_~i~4 102), 10861#(<= ULTIMATE.start_main_~i~4 104), 10862#(<= ULTIMATE.start_main_~i~4 106), 10863#(<= ULTIMATE.start_main_~i~4 108), 10864#(<= ULTIMATE.start_main_~i~4 110), 10865#(<= ULTIMATE.start_main_~i~4 112), 10866#(<= ULTIMATE.start_main_~i~4 114), 10867#(<= ULTIMATE.start_main_~i~4 116), 10868#(<= ULTIMATE.start_main_~i~4 118), 10869#(<= ULTIMATE.start_main_~i~4 120), 10870#(<= ULTIMATE.start_main_~i~4 122)] [2018-07-23 13:37:39,169 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 13:37:39,169 INFO L450 AbstractCegarLoop]: Interpolant automaton has 64 states [2018-07-23 13:37:39,170 INFO L132 InterpolantAutomaton]: Constructing interpolant automaton starting with 64 interpolants. [2018-07-23 13:37:39,170 INFO L133 InterpolantAutomaton]: CoverageRelationStatistics Valid=2016, Invalid=2016, Unknown=0, NotChecked=0, Total=4032 [2018-07-23 13:37:39,171 INFO L87 Difference]: Start difference. First operand 65 states and 65 transitions. Second operand 64 states. [2018-07-23 13:37:39,212 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2018-07-23 13:37:39,212 INFO L93 Difference]: Finished difference Result 68 states and 68 transitions. [2018-07-23 13:37:39,212 INFO L142 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 64 states. [2018-07-23 13:37:39,212 INFO L78 Accepts]: Start accepts. Automaton has 64 states. Word has length 64 [2018-07-23 13:37:39,213 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2018-07-23 13:37:39,213 INFO L225 Difference]: With dead ends: 68 [2018-07-23 13:37:39,213 INFO L226 Difference]: Without dead ends: 66 [2018-07-23 13:37:39,214 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 13:37:39,214 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 66 states. [2018-07-23 13:37:39,217 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 66 to 66. [2018-07-23 13:37:39,217 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 66 states. [2018-07-23 13:37:39,217 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 66 states to 66 states and 66 transitions. [2018-07-23 13:37:39,217 INFO L78 Accepts]: Start accepts. Automaton has 66 states and 66 transitions. Word has length 64 [2018-07-23 13:37:39,217 INFO L84 Accepts]: Finished accepts. word is rejected. [2018-07-23 13:37:39,218 INFO L471 AbstractCegarLoop]: Abstraction has 66 states and 66 transitions. [2018-07-23 13:37:39,218 INFO L472 AbstractCegarLoop]: Interpolant automaton has 64 states. [2018-07-23 13:37:39,218 INFO L276 IsEmpty]: Start isEmpty. Operand 66 states and 66 transitions. [2018-07-23 13:37:39,218 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 66 [2018-07-23 13:37:39,218 INFO L349 BasicCegarLoop]: Found error trace [2018-07-23 13:37:39,219 INFO L357 BasicCegarLoop]: trace histogram [62, 1, 1, 1] [2018-07-23 13:37:39,219 INFO L414 AbstractCegarLoop]: === Iteration 63 === [ULTIMATE.startErr0AssertViolationASSERT]=== [2018-07-23 13:37:39,219 INFO L82 PathProgramCache]: Analyzing trace with hash -864412575, now seen corresponding path program 62 times [2018-07-23 13:37:39,219 INFO L69 tionRefinementEngine]: Using refinement strategy FixedRefinementStrategy [2018-07-23 13:37:39,234 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-07-23 13:37:39,432 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 13:37:39,433 INFO L309 seRefinementStrategy]: Constructing automaton from 0 perfect and 1 imperfect interpolant sequences. [2018-07-23 13:37:39,433 INFO L324 seRefinementStrategy]: Number of different interpolants: perfect sequences [] imperfect sequences [64] total 64 [2018-07-23 13:37:39,433 INFO L142 lantAutomatonBuilder]: Constructing canonical interpolant automaton, with selfloop in false state [2018-07-23 13:37:39,433 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2018-07-23 13:37:39,434 INFO L185 omatonBuilderFactory]: Interpolants [11139#true, 11140#false, 11141#(<= ULTIMATE.start_main_~i~4 0), 11142#(<= ULTIMATE.start_main_~i~4 2), 11143#(<= ULTIMATE.start_main_~i~4 4), 11144#(<= ULTIMATE.start_main_~i~4 6), 11145#(<= ULTIMATE.start_main_~i~4 8), 11146#(<= ULTIMATE.start_main_~i~4 10), 11147#(<= ULTIMATE.start_main_~i~4 12), 11148#(<= ULTIMATE.start_main_~i~4 14), 11149#(<= ULTIMATE.start_main_~i~4 16), 11150#(<= ULTIMATE.start_main_~i~4 18), 11151#(<= ULTIMATE.start_main_~i~4 20), 11152#(<= ULTIMATE.start_main_~i~4 22), 11153#(<= ULTIMATE.start_main_~i~4 24), 11154#(<= ULTIMATE.start_main_~i~4 26), 11155#(<= ULTIMATE.start_main_~i~4 28), 11156#(<= ULTIMATE.start_main_~i~4 30), 11157#(<= ULTIMATE.start_main_~i~4 32), 11158#(<= ULTIMATE.start_main_~i~4 34), 11159#(<= ULTIMATE.start_main_~i~4 36), 11160#(<= ULTIMATE.start_main_~i~4 38), 11161#(<= ULTIMATE.start_main_~i~4 40), 11162#(<= ULTIMATE.start_main_~i~4 42), 11163#(<= ULTIMATE.start_main_~i~4 44), 11164#(<= ULTIMATE.start_main_~i~4 46), 11165#(<= ULTIMATE.start_main_~i~4 48), 11166#(<= ULTIMATE.start_main_~i~4 50), 11167#(<= ULTIMATE.start_main_~i~4 52), 11168#(<= ULTIMATE.start_main_~i~4 54), 11169#(<= ULTIMATE.start_main_~i~4 56), 11170#(<= ULTIMATE.start_main_~i~4 58), 11171#(<= ULTIMATE.start_main_~i~4 60), 11172#(<= ULTIMATE.start_main_~i~4 62), 11173#(<= ULTIMATE.start_main_~i~4 64), 11174#(<= ULTIMATE.start_main_~i~4 66), 11175#(<= ULTIMATE.start_main_~i~4 68), 11176#(<= ULTIMATE.start_main_~i~4 70), 11177#(<= ULTIMATE.start_main_~i~4 72), 11178#(<= ULTIMATE.start_main_~i~4 74), 11179#(<= ULTIMATE.start_main_~i~4 76), 11180#(<= ULTIMATE.start_main_~i~4 78), 11181#(<= ULTIMATE.start_main_~i~4 80), 11182#(<= ULTIMATE.start_main_~i~4 82), 11183#(<= ULTIMATE.start_main_~i~4 84), 11184#(<= ULTIMATE.start_main_~i~4 86), 11185#(<= ULTIMATE.start_main_~i~4 88), 11186#(<= ULTIMATE.start_main_~i~4 90), 11187#(<= ULTIMATE.start_main_~i~4 92), 11188#(<= ULTIMATE.start_main_~i~4 94), 11189#(<= ULTIMATE.start_main_~i~4 96), 11190#(<= ULTIMATE.start_main_~i~4 98), 11191#(<= ULTIMATE.start_main_~i~4 100), 11192#(<= ULTIMATE.start_main_~i~4 102), 11193#(<= ULTIMATE.start_main_~i~4 104), 11194#(<= ULTIMATE.start_main_~i~4 106), 11195#(<= ULTIMATE.start_main_~i~4 108), 11196#(<= ULTIMATE.start_main_~i~4 110), 11197#(<= ULTIMATE.start_main_~i~4 112), 11198#(<= ULTIMATE.start_main_~i~4 114), 11199#(<= ULTIMATE.start_main_~i~4 116), 11200#(<= ULTIMATE.start_main_~i~4 118), 11201#(<= ULTIMATE.start_main_~i~4 120), 11202#(<= ULTIMATE.start_main_~i~4 122), 11203#(<= ULTIMATE.start_main_~i~4 124)] [2018-07-23 13:37:39,434 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 13:37:39,434 INFO L450 AbstractCegarLoop]: Interpolant automaton has 65 states [2018-07-23 13:37:39,435 INFO L132 InterpolantAutomaton]: Constructing interpolant automaton starting with 65 interpolants. [2018-07-23 13:37:39,437 INFO L133 InterpolantAutomaton]: CoverageRelationStatistics Valid=2080, Invalid=2080, Unknown=0, NotChecked=0, Total=4160 [2018-07-23 13:37:39,437 INFO L87 Difference]: Start difference. First operand 66 states and 66 transitions. Second operand 65 states. [2018-07-23 13:37:39,480 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2018-07-23 13:37:39,480 INFO L93 Difference]: Finished difference Result 69 states and 69 transitions. [2018-07-23 13:37:39,480 INFO L142 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 65 states. [2018-07-23 13:37:39,480 INFO L78 Accepts]: Start accepts. Automaton has 65 states. Word has length 65 [2018-07-23 13:37:39,481 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2018-07-23 13:37:39,481 INFO L225 Difference]: With dead ends: 69 [2018-07-23 13:37:39,481 INFO L226 Difference]: Without dead ends: 67 [2018-07-23 13:37:39,482 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 13:37:39,482 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 67 states. [2018-07-23 13:37:39,484 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 67 to 67. [2018-07-23 13:37:39,484 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 67 states. [2018-07-23 13:37:39,485 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 67 states to 67 states and 67 transitions. [2018-07-23 13:37:39,485 INFO L78 Accepts]: Start accepts. Automaton has 67 states and 67 transitions. Word has length 65 [2018-07-23 13:37:39,485 INFO L84 Accepts]: Finished accepts. word is rejected. [2018-07-23 13:37:39,485 INFO L471 AbstractCegarLoop]: Abstraction has 67 states and 67 transitions. [2018-07-23 13:37:39,485 INFO L472 AbstractCegarLoop]: Interpolant automaton has 65 states. [2018-07-23 13:37:39,485 INFO L276 IsEmpty]: Start isEmpty. Operand 67 states and 67 transitions. [2018-07-23 13:37:39,486 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 67 [2018-07-23 13:37:39,486 INFO L349 BasicCegarLoop]: Found error trace [2018-07-23 13:37:39,486 INFO L357 BasicCegarLoop]: trace histogram [63, 1, 1, 1] [2018-07-23 13:37:39,486 INFO L414 AbstractCegarLoop]: === Iteration 64 === [ULTIMATE.startErr0AssertViolationASSERT]=== [2018-07-23 13:37:39,487 INFO L82 PathProgramCache]: Analyzing trace with hash -1026988024, now seen corresponding path program 63 times [2018-07-23 13:37:39,487 INFO L69 tionRefinementEngine]: Using refinement strategy FixedRefinementStrategy [2018-07-23 13:37:39,502 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-07-23 13:37:39,707 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 13:37:39,708 INFO L309 seRefinementStrategy]: Constructing automaton from 0 perfect and 1 imperfect interpolant sequences. [2018-07-23 13:37:39,708 INFO L324 seRefinementStrategy]: Number of different interpolants: perfect sequences [] imperfect sequences [65] total 65 [2018-07-23 13:37:39,708 INFO L142 lantAutomatonBuilder]: Constructing canonical interpolant automaton, with selfloop in false state [2018-07-23 13:37:39,709 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 13:37:39,709 INFO L185 omatonBuilderFactory]: Interpolants [11520#(<= ULTIMATE.start_main_~i~4 84), 11521#(<= ULTIMATE.start_main_~i~4 86), 11522#(<= ULTIMATE.start_main_~i~4 88), 11523#(<= ULTIMATE.start_main_~i~4 90), 11524#(<= ULTIMATE.start_main_~i~4 92), 11525#(<= ULTIMATE.start_main_~i~4 94), 11526#(<= ULTIMATE.start_main_~i~4 96), 11527#(<= ULTIMATE.start_main_~i~4 98), 11528#(<= ULTIMATE.start_main_~i~4 100), 11529#(<= ULTIMATE.start_main_~i~4 102), 11530#(<= ULTIMATE.start_main_~i~4 104), 11531#(<= ULTIMATE.start_main_~i~4 106), 11532#(<= ULTIMATE.start_main_~i~4 108), 11533#(<= ULTIMATE.start_main_~i~4 110), 11534#(<= ULTIMATE.start_main_~i~4 112), 11535#(<= ULTIMATE.start_main_~i~4 114), 11536#(<= ULTIMATE.start_main_~i~4 116), 11537#(<= ULTIMATE.start_main_~i~4 118), 11538#(<= ULTIMATE.start_main_~i~4 120), 11539#(<= ULTIMATE.start_main_~i~4 122), 11540#(<= ULTIMATE.start_main_~i~4 124), 11541#(<= ULTIMATE.start_main_~i~4 126), 11476#true, 11477#false, 11478#(<= ULTIMATE.start_main_~i~4 0), 11479#(<= ULTIMATE.start_main_~i~4 2), 11480#(<= ULTIMATE.start_main_~i~4 4), 11481#(<= ULTIMATE.start_main_~i~4 6), 11482#(<= ULTIMATE.start_main_~i~4 8), 11483#(<= ULTIMATE.start_main_~i~4 10), 11484#(<= ULTIMATE.start_main_~i~4 12), 11485#(<= ULTIMATE.start_main_~i~4 14), 11486#(<= ULTIMATE.start_main_~i~4 16), 11487#(<= ULTIMATE.start_main_~i~4 18), 11488#(<= ULTIMATE.start_main_~i~4 20), 11489#(<= ULTIMATE.start_main_~i~4 22), 11490#(<= ULTIMATE.start_main_~i~4 24), 11491#(<= ULTIMATE.start_main_~i~4 26), 11492#(<= ULTIMATE.start_main_~i~4 28), 11493#(<= ULTIMATE.start_main_~i~4 30), 11494#(<= ULTIMATE.start_main_~i~4 32), 11495#(<= ULTIMATE.start_main_~i~4 34), 11496#(<= ULTIMATE.start_main_~i~4 36), 11497#(<= ULTIMATE.start_main_~i~4 38), 11498#(<= ULTIMATE.start_main_~i~4 40), 11499#(<= ULTIMATE.start_main_~i~4 42), 11500#(<= ULTIMATE.start_main_~i~4 44), 11501#(<= ULTIMATE.start_main_~i~4 46), 11502#(<= ULTIMATE.start_main_~i~4 48), 11503#(<= ULTIMATE.start_main_~i~4 50), 11504#(<= ULTIMATE.start_main_~i~4 52), 11505#(<= ULTIMATE.start_main_~i~4 54), 11506#(<= ULTIMATE.start_main_~i~4 56), 11507#(<= ULTIMATE.start_main_~i~4 58), 11508#(<= ULTIMATE.start_main_~i~4 60), 11509#(<= ULTIMATE.start_main_~i~4 62), 11510#(<= ULTIMATE.start_main_~i~4 64), 11511#(<= ULTIMATE.start_main_~i~4 66), 11512#(<= ULTIMATE.start_main_~i~4 68), 11513#(<= ULTIMATE.start_main_~i~4 70), 11514#(<= ULTIMATE.start_main_~i~4 72), 11515#(<= ULTIMATE.start_main_~i~4 74), 11516#(<= ULTIMATE.start_main_~i~4 76), 11517#(<= ULTIMATE.start_main_~i~4 78), 11518#(<= ULTIMATE.start_main_~i~4 80), 11519#(<= ULTIMATE.start_main_~i~4 82)] [2018-07-23 13:37:39,709 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 13:37:39,710 INFO L450 AbstractCegarLoop]: Interpolant automaton has 66 states [2018-07-23 13:37:39,711 INFO L132 InterpolantAutomaton]: Constructing interpolant automaton starting with 66 interpolants. [2018-07-23 13:37:39,712 INFO L133 InterpolantAutomaton]: CoverageRelationStatistics Valid=2145, Invalid=2145, Unknown=0, NotChecked=0, Total=4290 [2018-07-23 13:37:39,712 INFO L87 Difference]: Start difference. First operand 67 states and 67 transitions. Second operand 66 states. [2018-07-23 13:37:39,746 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2018-07-23 13:37:39,747 INFO L93 Difference]: Finished difference Result 70 states and 70 transitions. [2018-07-23 13:37:39,747 INFO L142 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 66 states. [2018-07-23 13:37:39,747 INFO L78 Accepts]: Start accepts. Automaton has 66 states. Word has length 66 [2018-07-23 13:37:39,747 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2018-07-23 13:37:39,748 INFO L225 Difference]: With dead ends: 70 [2018-07-23 13:37:39,748 INFO L226 Difference]: Without dead ends: 68 [2018-07-23 13:37:39,750 INFO L575 BasicCegarLoop]: 0 DeclaredPredicates, 65 GetRequests, 1 SyntacticMatches, 0 SemanticMatches, 64 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 0 ImplicationChecksByTransitivity, 0.1s TimeCoverageRelationStatistics Valid=2145, Invalid=2145, Unknown=0, NotChecked=0, Total=4290 [2018-07-23 13:37:39,751 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 68 states. [2018-07-23 13:37:39,754 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 68 to 68. [2018-07-23 13:37:39,754 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 68 states. [2018-07-23 13:37:39,754 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 68 states to 68 states and 68 transitions. [2018-07-23 13:37:39,755 INFO L78 Accepts]: Start accepts. Automaton has 68 states and 68 transitions. Word has length 66 [2018-07-23 13:37:39,755 INFO L84 Accepts]: Finished accepts. word is rejected. [2018-07-23 13:37:39,755 INFO L471 AbstractCegarLoop]: Abstraction has 68 states and 68 transitions. [2018-07-23 13:37:39,755 INFO L472 AbstractCegarLoop]: Interpolant automaton has 66 states. [2018-07-23 13:37:39,755 INFO L276 IsEmpty]: Start isEmpty. Operand 68 states and 68 transitions. [2018-07-23 13:37:39,756 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 68 [2018-07-23 13:37:39,756 INFO L349 BasicCegarLoop]: Found error trace [2018-07-23 13:37:39,756 INFO L357 BasicCegarLoop]: trace histogram [64, 1, 1, 1] [2018-07-23 13:37:39,756 INFO L414 AbstractCegarLoop]: === Iteration 65 === [ULTIMATE.startErr0AssertViolationASSERT]=== [2018-07-23 13:37:39,757 INFO L82 PathProgramCache]: Analyzing trace with hash -1771859647, now seen corresponding path program 64 times [2018-07-23 13:37:39,757 INFO L69 tionRefinementEngine]: Using refinement strategy FixedRefinementStrategy [2018-07-23 13:37:39,774 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-07-23 13:37:40,026 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 13:37:40,027 INFO L309 seRefinementStrategy]: Constructing automaton from 0 perfect and 1 imperfect interpolant sequences. [2018-07-23 13:37:40,027 INFO L324 seRefinementStrategy]: Number of different interpolants: perfect sequences [] imperfect sequences [66] total 66 [2018-07-23 13:37:40,027 INFO L142 lantAutomatonBuilder]: Constructing canonical interpolant automaton, with selfloop in false state [2018-07-23 13:37:40,027 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 13:37:40,028 INFO L185 omatonBuilderFactory]: Interpolants [11818#true, 11819#false, 11820#(<= ULTIMATE.start_main_~i~4 0), 11821#(<= ULTIMATE.start_main_~i~4 2), 11822#(<= ULTIMATE.start_main_~i~4 4), 11823#(<= ULTIMATE.start_main_~i~4 6), 11824#(<= ULTIMATE.start_main_~i~4 8), 11825#(<= ULTIMATE.start_main_~i~4 10), 11826#(<= ULTIMATE.start_main_~i~4 12), 11827#(<= ULTIMATE.start_main_~i~4 14), 11828#(<= ULTIMATE.start_main_~i~4 16), 11829#(<= ULTIMATE.start_main_~i~4 18), 11830#(<= ULTIMATE.start_main_~i~4 20), 11831#(<= ULTIMATE.start_main_~i~4 22), 11832#(<= ULTIMATE.start_main_~i~4 24), 11833#(<= ULTIMATE.start_main_~i~4 26), 11834#(<= ULTIMATE.start_main_~i~4 28), 11835#(<= ULTIMATE.start_main_~i~4 30), 11836#(<= ULTIMATE.start_main_~i~4 32), 11837#(<= ULTIMATE.start_main_~i~4 34), 11838#(<= ULTIMATE.start_main_~i~4 36), 11839#(<= ULTIMATE.start_main_~i~4 38), 11840#(<= ULTIMATE.start_main_~i~4 40), 11841#(<= ULTIMATE.start_main_~i~4 42), 11842#(<= ULTIMATE.start_main_~i~4 44), 11843#(<= ULTIMATE.start_main_~i~4 46), 11844#(<= ULTIMATE.start_main_~i~4 48), 11845#(<= ULTIMATE.start_main_~i~4 50), 11846#(<= ULTIMATE.start_main_~i~4 52), 11847#(<= ULTIMATE.start_main_~i~4 54), 11848#(<= ULTIMATE.start_main_~i~4 56), 11849#(<= ULTIMATE.start_main_~i~4 58), 11850#(<= ULTIMATE.start_main_~i~4 60), 11851#(<= ULTIMATE.start_main_~i~4 62), 11852#(<= ULTIMATE.start_main_~i~4 64), 11853#(<= ULTIMATE.start_main_~i~4 66), 11854#(<= ULTIMATE.start_main_~i~4 68), 11855#(<= ULTIMATE.start_main_~i~4 70), 11856#(<= ULTIMATE.start_main_~i~4 72), 11857#(<= ULTIMATE.start_main_~i~4 74), 11858#(<= ULTIMATE.start_main_~i~4 76), 11859#(<= ULTIMATE.start_main_~i~4 78), 11860#(<= ULTIMATE.start_main_~i~4 80), 11861#(<= ULTIMATE.start_main_~i~4 82), 11862#(<= ULTIMATE.start_main_~i~4 84), 11863#(<= ULTIMATE.start_main_~i~4 86), 11864#(<= ULTIMATE.start_main_~i~4 88), 11865#(<= ULTIMATE.start_main_~i~4 90), 11866#(<= ULTIMATE.start_main_~i~4 92), 11867#(<= ULTIMATE.start_main_~i~4 94), 11868#(<= ULTIMATE.start_main_~i~4 96), 11869#(<= ULTIMATE.start_main_~i~4 98), 11870#(<= ULTIMATE.start_main_~i~4 100), 11871#(<= ULTIMATE.start_main_~i~4 102), 11872#(<= ULTIMATE.start_main_~i~4 104), 11873#(<= ULTIMATE.start_main_~i~4 106), 11874#(<= ULTIMATE.start_main_~i~4 108), 11875#(<= ULTIMATE.start_main_~i~4 110), 11876#(<= ULTIMATE.start_main_~i~4 112), 11877#(<= ULTIMATE.start_main_~i~4 114), 11878#(<= ULTIMATE.start_main_~i~4 116), 11879#(<= ULTIMATE.start_main_~i~4 118), 11880#(<= ULTIMATE.start_main_~i~4 120), 11881#(<= ULTIMATE.start_main_~i~4 122), 11882#(<= ULTIMATE.start_main_~i~4 124), 11883#(<= ULTIMATE.start_main_~i~4 126), 11884#(<= ULTIMATE.start_main_~i~4 128)] [2018-07-23 13:37:40,028 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 13:37:40,029 INFO L450 AbstractCegarLoop]: Interpolant automaton has 67 states [2018-07-23 13:37:40,029 INFO L132 InterpolantAutomaton]: Constructing interpolant automaton starting with 67 interpolants. [2018-07-23 13:37:40,030 INFO L133 InterpolantAutomaton]: CoverageRelationStatistics Valid=2211, Invalid=2211, Unknown=0, NotChecked=0, Total=4422 [2018-07-23 13:37:40,030 INFO L87 Difference]: Start difference. First operand 68 states and 68 transitions. Second operand 67 states. [2018-07-23 13:37:40,082 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2018-07-23 13:37:40,083 INFO L93 Difference]: Finished difference Result 71 states and 71 transitions. [2018-07-23 13:37:40,083 INFO L142 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 67 states. [2018-07-23 13:37:40,083 INFO L78 Accepts]: Start accepts. Automaton has 67 states. Word has length 67 [2018-07-23 13:37:40,083 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2018-07-23 13:37:40,084 INFO L225 Difference]: With dead ends: 71 [2018-07-23 13:37:40,084 INFO L226 Difference]: Without dead ends: 69 [2018-07-23 13:37:40,085 INFO L575 BasicCegarLoop]: 0 DeclaredPredicates, 66 GetRequests, 1 SyntacticMatches, 0 SemanticMatches, 65 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 0 ImplicationChecksByTransitivity, 0.2s TimeCoverageRelationStatistics Valid=2211, Invalid=2211, Unknown=0, NotChecked=0, Total=4422 [2018-07-23 13:37:40,085 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 69 states. [2018-07-23 13:37:40,088 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 69 to 69. [2018-07-23 13:37:40,088 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 69 states. [2018-07-23 13:37:40,089 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 69 states to 69 states and 69 transitions. [2018-07-23 13:37:40,089 INFO L78 Accepts]: Start accepts. Automaton has 69 states and 69 transitions. Word has length 67 [2018-07-23 13:37:40,089 INFO L84 Accepts]: Finished accepts. word is rejected. [2018-07-23 13:37:40,089 INFO L471 AbstractCegarLoop]: Abstraction has 69 states and 69 transitions. [2018-07-23 13:37:40,089 INFO L472 AbstractCegarLoop]: Interpolant automaton has 67 states. [2018-07-23 13:37:40,089 INFO L276 IsEmpty]: Start isEmpty. Operand 69 states and 69 transitions. [2018-07-23 13:37:40,090 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 69 [2018-07-23 13:37:40,090 INFO L349 BasicCegarLoop]: Found error trace [2018-07-23 13:37:40,090 INFO L357 BasicCegarLoop]: trace histogram [65, 1, 1, 1] [2018-07-23 13:37:40,091 INFO L414 AbstractCegarLoop]: === Iteration 66 === [ULTIMATE.startErr0AssertViolationASSERT]=== [2018-07-23 13:37:40,091 INFO L82 PathProgramCache]: Analyzing trace with hash 906923816, now seen corresponding path program 65 times [2018-07-23 13:37:40,091 INFO L69 tionRefinementEngine]: Using refinement strategy FixedRefinementStrategy [2018-07-23 13:37:40,112 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-07-23 13:37:40,411 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 13:37:40,411 INFO L309 seRefinementStrategy]: Constructing automaton from 0 perfect and 1 imperfect interpolant sequences. [2018-07-23 13:37:40,411 INFO L324 seRefinementStrategy]: Number of different interpolants: perfect sequences [] imperfect sequences [67] total 67 [2018-07-23 13:37:40,412 INFO L142 lantAutomatonBuilder]: Constructing canonical interpolant automaton, with selfloop in false state [2018-07-23 13:37:40,412 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2018-07-23 13:37:40,412 INFO L185 omatonBuilderFactory]: Interpolants [12165#true, 12166#false, 12167#(<= ULTIMATE.start_main_~i~4 0), 12168#(<= ULTIMATE.start_main_~i~4 2), 12169#(<= ULTIMATE.start_main_~i~4 4), 12170#(<= ULTIMATE.start_main_~i~4 6), 12171#(<= ULTIMATE.start_main_~i~4 8), 12172#(<= ULTIMATE.start_main_~i~4 10), 12173#(<= ULTIMATE.start_main_~i~4 12), 12174#(<= ULTIMATE.start_main_~i~4 14), 12175#(<= ULTIMATE.start_main_~i~4 16), 12176#(<= ULTIMATE.start_main_~i~4 18), 12177#(<= ULTIMATE.start_main_~i~4 20), 12178#(<= ULTIMATE.start_main_~i~4 22), 12179#(<= ULTIMATE.start_main_~i~4 24), 12180#(<= ULTIMATE.start_main_~i~4 26), 12181#(<= ULTIMATE.start_main_~i~4 28), 12182#(<= ULTIMATE.start_main_~i~4 30), 12183#(<= ULTIMATE.start_main_~i~4 32), 12184#(<= ULTIMATE.start_main_~i~4 34), 12185#(<= ULTIMATE.start_main_~i~4 36), 12186#(<= ULTIMATE.start_main_~i~4 38), 12187#(<= ULTIMATE.start_main_~i~4 40), 12188#(<= ULTIMATE.start_main_~i~4 42), 12189#(<= ULTIMATE.start_main_~i~4 44), 12190#(<= ULTIMATE.start_main_~i~4 46), 12191#(<= ULTIMATE.start_main_~i~4 48), 12192#(<= ULTIMATE.start_main_~i~4 50), 12193#(<= ULTIMATE.start_main_~i~4 52), 12194#(<= ULTIMATE.start_main_~i~4 54), 12195#(<= ULTIMATE.start_main_~i~4 56), 12196#(<= ULTIMATE.start_main_~i~4 58), 12197#(<= ULTIMATE.start_main_~i~4 60), 12198#(<= ULTIMATE.start_main_~i~4 62), 12199#(<= ULTIMATE.start_main_~i~4 64), 12200#(<= ULTIMATE.start_main_~i~4 66), 12201#(<= ULTIMATE.start_main_~i~4 68), 12202#(<= ULTIMATE.start_main_~i~4 70), 12203#(<= ULTIMATE.start_main_~i~4 72), 12204#(<= ULTIMATE.start_main_~i~4 74), 12205#(<= ULTIMATE.start_main_~i~4 76), 12206#(<= ULTIMATE.start_main_~i~4 78), 12207#(<= ULTIMATE.start_main_~i~4 80), 12208#(<= ULTIMATE.start_main_~i~4 82), 12209#(<= ULTIMATE.start_main_~i~4 84), 12210#(<= ULTIMATE.start_main_~i~4 86), 12211#(<= ULTIMATE.start_main_~i~4 88), 12212#(<= ULTIMATE.start_main_~i~4 90), 12213#(<= ULTIMATE.start_main_~i~4 92), 12214#(<= ULTIMATE.start_main_~i~4 94), 12215#(<= ULTIMATE.start_main_~i~4 96), 12216#(<= ULTIMATE.start_main_~i~4 98), 12217#(<= ULTIMATE.start_main_~i~4 100), 12218#(<= ULTIMATE.start_main_~i~4 102), 12219#(<= ULTIMATE.start_main_~i~4 104), 12220#(<= ULTIMATE.start_main_~i~4 106), 12221#(<= ULTIMATE.start_main_~i~4 108), 12222#(<= ULTIMATE.start_main_~i~4 110), 12223#(<= ULTIMATE.start_main_~i~4 112), 12224#(<= ULTIMATE.start_main_~i~4 114), 12225#(<= ULTIMATE.start_main_~i~4 116), 12226#(<= ULTIMATE.start_main_~i~4 118), 12227#(<= ULTIMATE.start_main_~i~4 120), 12228#(<= ULTIMATE.start_main_~i~4 122), 12229#(<= ULTIMATE.start_main_~i~4 124), 12230#(<= ULTIMATE.start_main_~i~4 126), 12231#(<= ULTIMATE.start_main_~i~4 128), 12232#(<= ULTIMATE.start_main_~i~4 130)] [2018-07-23 13:37:40,413 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 13:37:40,413 INFO L450 AbstractCegarLoop]: Interpolant automaton has 68 states [2018-07-23 13:37:40,417 INFO L132 InterpolantAutomaton]: Constructing interpolant automaton starting with 68 interpolants. [2018-07-23 13:37:40,417 INFO L133 InterpolantAutomaton]: CoverageRelationStatistics Valid=2278, Invalid=2278, Unknown=0, NotChecked=0, Total=4556 [2018-07-23 13:37:40,417 INFO L87 Difference]: Start difference. First operand 69 states and 69 transitions. Second operand 68 states. [2018-07-23 13:37:40,478 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2018-07-23 13:37:40,478 INFO L93 Difference]: Finished difference Result 72 states and 72 transitions. [2018-07-23 13:37:40,478 INFO L142 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 68 states. [2018-07-23 13:37:40,478 INFO L78 Accepts]: Start accepts. Automaton has 68 states. Word has length 68 [2018-07-23 13:37:40,478 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2018-07-23 13:37:40,479 INFO L225 Difference]: With dead ends: 72 [2018-07-23 13:37:40,479 INFO L226 Difference]: Without dead ends: 70 [2018-07-23 13:37:40,480 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 13:37:40,480 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 70 states. [2018-07-23 13:37:40,482 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 70 to 70. [2018-07-23 13:37:40,482 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 70 states. [2018-07-23 13:37:40,482 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 70 states to 70 states and 70 transitions. [2018-07-23 13:37:40,483 INFO L78 Accepts]: Start accepts. Automaton has 70 states and 70 transitions. Word has length 68 [2018-07-23 13:37:40,483 INFO L84 Accepts]: Finished accepts. word is rejected. [2018-07-23 13:37:40,483 INFO L471 AbstractCegarLoop]: Abstraction has 70 states and 70 transitions. [2018-07-23 13:37:40,483 INFO L472 AbstractCegarLoop]: Interpolant automaton has 68 states. [2018-07-23 13:37:40,483 INFO L276 IsEmpty]: Start isEmpty. Operand 70 states and 70 transitions. [2018-07-23 13:37:40,484 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 70 [2018-07-23 13:37:40,484 INFO L349 BasicCegarLoop]: Found error trace [2018-07-23 13:37:40,484 INFO L357 BasicCegarLoop]: trace histogram [66, 1, 1, 1] [2018-07-23 13:37:40,484 INFO L414 AbstractCegarLoop]: === Iteration 67 === [ULTIMATE.startErr0AssertViolationASSERT]=== [2018-07-23 13:37:40,484 INFO L82 PathProgramCache]: Analyzing trace with hash -1950134751, now seen corresponding path program 66 times [2018-07-23 13:37:40,485 INFO L69 tionRefinementEngine]: Using refinement strategy FixedRefinementStrategy [2018-07-23 13:37:40,500 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-07-23 13:37:40,713 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 13:37:40,714 INFO L309 seRefinementStrategy]: Constructing automaton from 0 perfect and 1 imperfect interpolant sequences. [2018-07-23 13:37:40,714 INFO L324 seRefinementStrategy]: Number of different interpolants: perfect sequences [] imperfect sequences [68] total 68 [2018-07-23 13:37:40,714 INFO L142 lantAutomatonBuilder]: Constructing canonical interpolant automaton, with selfloop in false state [2018-07-23 13:37:40,714 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2018-07-23 13:37:40,715 INFO L185 omatonBuilderFactory]: Interpolants [12544#(<= ULTIMATE.start_main_~i~4 50), 12545#(<= ULTIMATE.start_main_~i~4 52), 12546#(<= ULTIMATE.start_main_~i~4 54), 12547#(<= ULTIMATE.start_main_~i~4 56), 12548#(<= ULTIMATE.start_main_~i~4 58), 12549#(<= ULTIMATE.start_main_~i~4 60), 12550#(<= ULTIMATE.start_main_~i~4 62), 12551#(<= ULTIMATE.start_main_~i~4 64), 12552#(<= ULTIMATE.start_main_~i~4 66), 12553#(<= ULTIMATE.start_main_~i~4 68), 12554#(<= ULTIMATE.start_main_~i~4 70), 12555#(<= ULTIMATE.start_main_~i~4 72), 12556#(<= ULTIMATE.start_main_~i~4 74), 12557#(<= ULTIMATE.start_main_~i~4 76), 12558#(<= ULTIMATE.start_main_~i~4 78), 12559#(<= ULTIMATE.start_main_~i~4 80), 12560#(<= ULTIMATE.start_main_~i~4 82), 12561#(<= ULTIMATE.start_main_~i~4 84), 12562#(<= ULTIMATE.start_main_~i~4 86), 12563#(<= ULTIMATE.start_main_~i~4 88), 12564#(<= ULTIMATE.start_main_~i~4 90), 12565#(<= ULTIMATE.start_main_~i~4 92), 12566#(<= ULTIMATE.start_main_~i~4 94), 12567#(<= ULTIMATE.start_main_~i~4 96), 12568#(<= ULTIMATE.start_main_~i~4 98), 12569#(<= ULTIMATE.start_main_~i~4 100), 12570#(<= ULTIMATE.start_main_~i~4 102), 12571#(<= ULTIMATE.start_main_~i~4 104), 12572#(<= ULTIMATE.start_main_~i~4 106), 12573#(<= ULTIMATE.start_main_~i~4 108), 12574#(<= ULTIMATE.start_main_~i~4 110), 12575#(<= ULTIMATE.start_main_~i~4 112), 12576#(<= ULTIMATE.start_main_~i~4 114), 12577#(<= ULTIMATE.start_main_~i~4 116), 12578#(<= ULTIMATE.start_main_~i~4 118), 12579#(<= ULTIMATE.start_main_~i~4 120), 12580#(<= ULTIMATE.start_main_~i~4 122), 12581#(<= ULTIMATE.start_main_~i~4 124), 12582#(<= ULTIMATE.start_main_~i~4 126), 12583#(<= ULTIMATE.start_main_~i~4 128), 12584#(<= ULTIMATE.start_main_~i~4 130), 12585#(<= ULTIMATE.start_main_~i~4 132), 12517#true, 12518#false, 12519#(<= ULTIMATE.start_main_~i~4 0), 12520#(<= ULTIMATE.start_main_~i~4 2), 12521#(<= ULTIMATE.start_main_~i~4 4), 12522#(<= ULTIMATE.start_main_~i~4 6), 12523#(<= ULTIMATE.start_main_~i~4 8), 12524#(<= ULTIMATE.start_main_~i~4 10), 12525#(<= ULTIMATE.start_main_~i~4 12), 12526#(<= ULTIMATE.start_main_~i~4 14), 12527#(<= ULTIMATE.start_main_~i~4 16), 12528#(<= ULTIMATE.start_main_~i~4 18), 12529#(<= ULTIMATE.start_main_~i~4 20), 12530#(<= ULTIMATE.start_main_~i~4 22), 12531#(<= ULTIMATE.start_main_~i~4 24), 12532#(<= ULTIMATE.start_main_~i~4 26), 12533#(<= ULTIMATE.start_main_~i~4 28), 12534#(<= ULTIMATE.start_main_~i~4 30), 12535#(<= ULTIMATE.start_main_~i~4 32), 12536#(<= ULTIMATE.start_main_~i~4 34), 12537#(<= ULTIMATE.start_main_~i~4 36), 12538#(<= ULTIMATE.start_main_~i~4 38), 12539#(<= ULTIMATE.start_main_~i~4 40), 12540#(<= ULTIMATE.start_main_~i~4 42), 12541#(<= ULTIMATE.start_main_~i~4 44), 12542#(<= ULTIMATE.start_main_~i~4 46), 12543#(<= ULTIMATE.start_main_~i~4 48)] [2018-07-23 13:37:40,715 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 13:37:40,716 INFO L450 AbstractCegarLoop]: Interpolant automaton has 69 states [2018-07-23 13:37:40,716 INFO L132 InterpolantAutomaton]: Constructing interpolant automaton starting with 69 interpolants. [2018-07-23 13:37:40,717 INFO L133 InterpolantAutomaton]: CoverageRelationStatistics Valid=2346, Invalid=2346, Unknown=0, NotChecked=0, Total=4692 [2018-07-23 13:37:40,717 INFO L87 Difference]: Start difference. First operand 70 states and 70 transitions. Second operand 69 states. [2018-07-23 13:37:40,756 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2018-07-23 13:37:40,756 INFO L93 Difference]: Finished difference Result 73 states and 73 transitions. [2018-07-23 13:37:40,756 INFO L142 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 69 states. [2018-07-23 13:37:40,756 INFO L78 Accepts]: Start accepts. Automaton has 69 states. Word has length 69 [2018-07-23 13:37:40,757 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2018-07-23 13:37:40,757 INFO L225 Difference]: With dead ends: 73 [2018-07-23 13:37:40,757 INFO L226 Difference]: Without dead ends: 71 [2018-07-23 13:37:40,758 INFO L575 BasicCegarLoop]: 0 DeclaredPredicates, 68 GetRequests, 1 SyntacticMatches, 0 SemanticMatches, 67 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 0 ImplicationChecksByTransitivity, 0.1s TimeCoverageRelationStatistics Valid=2346, Invalid=2346, Unknown=0, NotChecked=0, Total=4692 [2018-07-23 13:37:40,758 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 71 states. [2018-07-23 13:37:40,760 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 71 to 71. [2018-07-23 13:37:40,761 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 71 states. [2018-07-23 13:37:40,761 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 71 states to 71 states and 71 transitions. [2018-07-23 13:37:40,761 INFO L78 Accepts]: Start accepts. Automaton has 71 states and 71 transitions. Word has length 69 [2018-07-23 13:37:40,761 INFO L84 Accepts]: Finished accepts. word is rejected. [2018-07-23 13:37:40,761 INFO L471 AbstractCegarLoop]: Abstraction has 71 states and 71 transitions. [2018-07-23 13:37:40,761 INFO L472 AbstractCegarLoop]: Interpolant automaton has 69 states. [2018-07-23 13:37:40,762 INFO L276 IsEmpty]: Start isEmpty. Operand 71 states and 71 transitions. [2018-07-23 13:37:40,762 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 71 [2018-07-23 13:37:40,762 INFO L349 BasicCegarLoop]: Found error trace [2018-07-23 13:37:40,762 INFO L357 BasicCegarLoop]: trace histogram [67, 1, 1, 1] [2018-07-23 13:37:40,762 INFO L414 AbstractCegarLoop]: === Iteration 68 === [ULTIMATE.startErr0AssertViolationASSERT]=== [2018-07-23 13:37:40,763 INFO L82 PathProgramCache]: Analyzing trace with hash -324637112, now seen corresponding path program 67 times [2018-07-23 13:37:40,763 INFO L69 tionRefinementEngine]: Using refinement strategy FixedRefinementStrategy [2018-07-23 13:37:40,780 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-07-23 13:37:41,003 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 13:37:41,003 INFO L309 seRefinementStrategy]: Constructing automaton from 0 perfect and 1 imperfect interpolant sequences. [2018-07-23 13:37:41,003 INFO L324 seRefinementStrategy]: Number of different interpolants: perfect sequences [] imperfect sequences [69] total 69 [2018-07-23 13:37:41,004 INFO L142 lantAutomatonBuilder]: Constructing canonical interpolant automaton, with selfloop in false state [2018-07-23 13:37:41,004 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 13:37:41,004 INFO L185 omatonBuilderFactory]: Interpolants [12928#(<= ULTIMATE.start_main_~i~4 104), 12929#(<= ULTIMATE.start_main_~i~4 106), 12930#(<= ULTIMATE.start_main_~i~4 108), 12931#(<= ULTIMATE.start_main_~i~4 110), 12932#(<= ULTIMATE.start_main_~i~4 112), 12933#(<= ULTIMATE.start_main_~i~4 114), 12934#(<= ULTIMATE.start_main_~i~4 116), 12935#(<= ULTIMATE.start_main_~i~4 118), 12936#(<= ULTIMATE.start_main_~i~4 120), 12937#(<= ULTIMATE.start_main_~i~4 122), 12938#(<= ULTIMATE.start_main_~i~4 124), 12939#(<= ULTIMATE.start_main_~i~4 126), 12940#(<= ULTIMATE.start_main_~i~4 128), 12941#(<= ULTIMATE.start_main_~i~4 130), 12942#(<= ULTIMATE.start_main_~i~4 132), 12943#(<= ULTIMATE.start_main_~i~4 134), 12874#true, 12875#false, 12876#(<= ULTIMATE.start_main_~i~4 0), 12877#(<= ULTIMATE.start_main_~i~4 2), 12878#(<= ULTIMATE.start_main_~i~4 4), 12879#(<= ULTIMATE.start_main_~i~4 6), 12880#(<= ULTIMATE.start_main_~i~4 8), 12881#(<= ULTIMATE.start_main_~i~4 10), 12882#(<= ULTIMATE.start_main_~i~4 12), 12883#(<= ULTIMATE.start_main_~i~4 14), 12884#(<= ULTIMATE.start_main_~i~4 16), 12885#(<= ULTIMATE.start_main_~i~4 18), 12886#(<= ULTIMATE.start_main_~i~4 20), 12887#(<= ULTIMATE.start_main_~i~4 22), 12888#(<= ULTIMATE.start_main_~i~4 24), 12889#(<= ULTIMATE.start_main_~i~4 26), 12890#(<= ULTIMATE.start_main_~i~4 28), 12891#(<= ULTIMATE.start_main_~i~4 30), 12892#(<= ULTIMATE.start_main_~i~4 32), 12893#(<= ULTIMATE.start_main_~i~4 34), 12894#(<= ULTIMATE.start_main_~i~4 36), 12895#(<= ULTIMATE.start_main_~i~4 38), 12896#(<= ULTIMATE.start_main_~i~4 40), 12897#(<= ULTIMATE.start_main_~i~4 42), 12898#(<= ULTIMATE.start_main_~i~4 44), 12899#(<= ULTIMATE.start_main_~i~4 46), 12900#(<= ULTIMATE.start_main_~i~4 48), 12901#(<= ULTIMATE.start_main_~i~4 50), 12902#(<= ULTIMATE.start_main_~i~4 52), 12903#(<= ULTIMATE.start_main_~i~4 54), 12904#(<= ULTIMATE.start_main_~i~4 56), 12905#(<= ULTIMATE.start_main_~i~4 58), 12906#(<= ULTIMATE.start_main_~i~4 60), 12907#(<= ULTIMATE.start_main_~i~4 62), 12908#(<= ULTIMATE.start_main_~i~4 64), 12909#(<= ULTIMATE.start_main_~i~4 66), 12910#(<= ULTIMATE.start_main_~i~4 68), 12911#(<= ULTIMATE.start_main_~i~4 70), 12912#(<= ULTIMATE.start_main_~i~4 72), 12913#(<= ULTIMATE.start_main_~i~4 74), 12914#(<= ULTIMATE.start_main_~i~4 76), 12915#(<= ULTIMATE.start_main_~i~4 78), 12916#(<= ULTIMATE.start_main_~i~4 80), 12917#(<= ULTIMATE.start_main_~i~4 82), 12918#(<= ULTIMATE.start_main_~i~4 84), 12919#(<= ULTIMATE.start_main_~i~4 86), 12920#(<= ULTIMATE.start_main_~i~4 88), 12921#(<= ULTIMATE.start_main_~i~4 90), 12922#(<= ULTIMATE.start_main_~i~4 92), 12923#(<= ULTIMATE.start_main_~i~4 94), 12924#(<= ULTIMATE.start_main_~i~4 96), 12925#(<= ULTIMATE.start_main_~i~4 98), 12926#(<= ULTIMATE.start_main_~i~4 100), 12927#(<= ULTIMATE.start_main_~i~4 102)] [2018-07-23 13:37:41,005 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 13:37:41,005 INFO L450 AbstractCegarLoop]: Interpolant automaton has 70 states [2018-07-23 13:37:41,006 INFO L132 InterpolantAutomaton]: Constructing interpolant automaton starting with 70 interpolants. [2018-07-23 13:37:41,007 INFO L133 InterpolantAutomaton]: CoverageRelationStatistics Valid=2415, Invalid=2415, Unknown=0, NotChecked=0, Total=4830 [2018-07-23 13:37:41,007 INFO L87 Difference]: Start difference. First operand 71 states and 71 transitions. Second operand 70 states. [2018-07-23 13:37:41,043 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2018-07-23 13:37:41,043 INFO L93 Difference]: Finished difference Result 74 states and 74 transitions. [2018-07-23 13:37:41,043 INFO L142 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 70 states. [2018-07-23 13:37:41,043 INFO L78 Accepts]: Start accepts. Automaton has 70 states. Word has length 70 [2018-07-23 13:37:41,043 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2018-07-23 13:37:41,044 INFO L225 Difference]: With dead ends: 74 [2018-07-23 13:37:41,044 INFO L226 Difference]: Without dead ends: 72 [2018-07-23 13:37:41,045 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 13:37:41,045 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 72 states. [2018-07-23 13:37:41,047 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 72 to 72. [2018-07-23 13:37:41,047 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 72 states. [2018-07-23 13:37:41,047 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 72 states to 72 states and 72 transitions. [2018-07-23 13:37:41,047 INFO L78 Accepts]: Start accepts. Automaton has 72 states and 72 transitions. Word has length 70 [2018-07-23 13:37:41,048 INFO L84 Accepts]: Finished accepts. word is rejected. [2018-07-23 13:37:41,048 INFO L471 AbstractCegarLoop]: Abstraction has 72 states and 72 transitions. [2018-07-23 13:37:41,048 INFO L472 AbstractCegarLoop]: Interpolant automaton has 70 states. [2018-07-23 13:37:41,048 INFO L276 IsEmpty]: Start isEmpty. Operand 72 states and 72 transitions. [2018-07-23 13:37:41,049 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 72 [2018-07-23 13:37:41,049 INFO L349 BasicCegarLoop]: Found error trace [2018-07-23 13:37:41,049 INFO L357 BasicCegarLoop]: trace histogram [68, 1, 1, 1] [2018-07-23 13:37:41,049 INFO L414 AbstractCegarLoop]: === Iteration 69 === [ULTIMATE.startErr0AssertViolationASSERT]=== [2018-07-23 13:37:41,049 INFO L82 PathProgramCache]: Analyzing trace with hash -1473817855, now seen corresponding path program 68 times [2018-07-23 13:37:41,049 INFO L69 tionRefinementEngine]: Using refinement strategy FixedRefinementStrategy [2018-07-23 13:37:41,066 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-07-23 13:37:41,296 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 13:37:41,296 INFO L309 seRefinementStrategy]: Constructing automaton from 0 perfect and 1 imperfect interpolant sequences. [2018-07-23 13:37:41,296 INFO L324 seRefinementStrategy]: Number of different interpolants: perfect sequences [] imperfect sequences [70] total 70 [2018-07-23 13:37:41,297 INFO L142 lantAutomatonBuilder]: Constructing canonical interpolant automaton, with selfloop in false state [2018-07-23 13:37:41,297 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 13:37:41,297 INFO L185 omatonBuilderFactory]: Interpolants [13236#true, 13237#false, 13238#(<= ULTIMATE.start_main_~i~4 0), 13239#(<= ULTIMATE.start_main_~i~4 2), 13240#(<= ULTIMATE.start_main_~i~4 4), 13241#(<= ULTIMATE.start_main_~i~4 6), 13242#(<= ULTIMATE.start_main_~i~4 8), 13243#(<= ULTIMATE.start_main_~i~4 10), 13244#(<= ULTIMATE.start_main_~i~4 12), 13245#(<= ULTIMATE.start_main_~i~4 14), 13246#(<= ULTIMATE.start_main_~i~4 16), 13247#(<= ULTIMATE.start_main_~i~4 18), 13248#(<= ULTIMATE.start_main_~i~4 20), 13249#(<= ULTIMATE.start_main_~i~4 22), 13250#(<= ULTIMATE.start_main_~i~4 24), 13251#(<= ULTIMATE.start_main_~i~4 26), 13252#(<= ULTIMATE.start_main_~i~4 28), 13253#(<= ULTIMATE.start_main_~i~4 30), 13254#(<= ULTIMATE.start_main_~i~4 32), 13255#(<= ULTIMATE.start_main_~i~4 34), 13256#(<= ULTIMATE.start_main_~i~4 36), 13257#(<= ULTIMATE.start_main_~i~4 38), 13258#(<= ULTIMATE.start_main_~i~4 40), 13259#(<= ULTIMATE.start_main_~i~4 42), 13260#(<= ULTIMATE.start_main_~i~4 44), 13261#(<= ULTIMATE.start_main_~i~4 46), 13262#(<= ULTIMATE.start_main_~i~4 48), 13263#(<= ULTIMATE.start_main_~i~4 50), 13264#(<= ULTIMATE.start_main_~i~4 52), 13265#(<= ULTIMATE.start_main_~i~4 54), 13266#(<= ULTIMATE.start_main_~i~4 56), 13267#(<= ULTIMATE.start_main_~i~4 58), 13268#(<= ULTIMATE.start_main_~i~4 60), 13269#(<= ULTIMATE.start_main_~i~4 62), 13270#(<= ULTIMATE.start_main_~i~4 64), 13271#(<= ULTIMATE.start_main_~i~4 66), 13272#(<= ULTIMATE.start_main_~i~4 68), 13273#(<= ULTIMATE.start_main_~i~4 70), 13274#(<= ULTIMATE.start_main_~i~4 72), 13275#(<= ULTIMATE.start_main_~i~4 74), 13276#(<= ULTIMATE.start_main_~i~4 76), 13277#(<= ULTIMATE.start_main_~i~4 78), 13278#(<= ULTIMATE.start_main_~i~4 80), 13279#(<= ULTIMATE.start_main_~i~4 82), 13280#(<= ULTIMATE.start_main_~i~4 84), 13281#(<= ULTIMATE.start_main_~i~4 86), 13282#(<= ULTIMATE.start_main_~i~4 88), 13283#(<= ULTIMATE.start_main_~i~4 90), 13284#(<= ULTIMATE.start_main_~i~4 92), 13285#(<= ULTIMATE.start_main_~i~4 94), 13286#(<= ULTIMATE.start_main_~i~4 96), 13287#(<= ULTIMATE.start_main_~i~4 98), 13288#(<= ULTIMATE.start_main_~i~4 100), 13289#(<= ULTIMATE.start_main_~i~4 102), 13290#(<= ULTIMATE.start_main_~i~4 104), 13291#(<= ULTIMATE.start_main_~i~4 106), 13292#(<= ULTIMATE.start_main_~i~4 108), 13293#(<= ULTIMATE.start_main_~i~4 110), 13294#(<= ULTIMATE.start_main_~i~4 112), 13295#(<= ULTIMATE.start_main_~i~4 114), 13296#(<= ULTIMATE.start_main_~i~4 116), 13297#(<= ULTIMATE.start_main_~i~4 118), 13298#(<= ULTIMATE.start_main_~i~4 120), 13299#(<= ULTIMATE.start_main_~i~4 122), 13300#(<= ULTIMATE.start_main_~i~4 124), 13301#(<= ULTIMATE.start_main_~i~4 126), 13302#(<= ULTIMATE.start_main_~i~4 128), 13303#(<= ULTIMATE.start_main_~i~4 130), 13304#(<= ULTIMATE.start_main_~i~4 132), 13305#(<= ULTIMATE.start_main_~i~4 134), 13306#(<= ULTIMATE.start_main_~i~4 136)] [2018-07-23 13:37:41,298 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 13:37:41,298 INFO L450 AbstractCegarLoop]: Interpolant automaton has 71 states [2018-07-23 13:37:41,299 INFO L132 InterpolantAutomaton]: Constructing interpolant automaton starting with 71 interpolants. [2018-07-23 13:37:41,299 INFO L133 InterpolantAutomaton]: CoverageRelationStatistics Valid=2485, Invalid=2485, Unknown=0, NotChecked=0, Total=4970 [2018-07-23 13:37:41,300 INFO L87 Difference]: Start difference. First operand 72 states and 72 transitions. Second operand 71 states. [2018-07-23 13:37:41,360 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2018-07-23 13:37:41,360 INFO L93 Difference]: Finished difference Result 75 states and 75 transitions. [2018-07-23 13:37:41,360 INFO L142 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 71 states. [2018-07-23 13:37:41,360 INFO L78 Accepts]: Start accepts. Automaton has 71 states. Word has length 71 [2018-07-23 13:37:41,360 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2018-07-23 13:37:41,361 INFO L225 Difference]: With dead ends: 75 [2018-07-23 13:37:41,361 INFO L226 Difference]: Without dead ends: 73 [2018-07-23 13:37:41,362 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 13:37:41,362 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 73 states. [2018-07-23 13:37:41,364 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 73 to 73. [2018-07-23 13:37:41,365 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 73 states. [2018-07-23 13:37:41,365 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 73 states to 73 states and 73 transitions. [2018-07-23 13:37:41,365 INFO L78 Accepts]: Start accepts. Automaton has 73 states and 73 transitions. Word has length 71 [2018-07-23 13:37:41,365 INFO L84 Accepts]: Finished accepts. word is rejected. [2018-07-23 13:37:41,365 INFO L471 AbstractCegarLoop]: Abstraction has 73 states and 73 transitions. [2018-07-23 13:37:41,366 INFO L472 AbstractCegarLoop]: Interpolant automaton has 71 states. [2018-07-23 13:37:41,366 INFO L276 IsEmpty]: Start isEmpty. Operand 73 states and 73 transitions. [2018-07-23 13:37:41,366 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 73 [2018-07-23 13:37:41,366 INFO L349 BasicCegarLoop]: Found error trace [2018-07-23 13:37:41,367 INFO L357 BasicCegarLoop]: trace histogram [69, 1, 1, 1] [2018-07-23 13:37:41,367 INFO L414 AbstractCegarLoop]: === Iteration 70 === [ULTIMATE.startErr0AssertViolationASSERT]=== [2018-07-23 13:37:41,367 INFO L82 PathProgramCache]: Analyzing trace with hash 1556284776, now seen corresponding path program 69 times [2018-07-23 13:37:41,367 INFO L69 tionRefinementEngine]: Using refinement strategy FixedRefinementStrategy [2018-07-23 13:37:41,385 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-07-23 13:37:41,618 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 13:37:41,618 INFO L309 seRefinementStrategy]: Constructing automaton from 0 perfect and 1 imperfect interpolant sequences. [2018-07-23 13:37:41,618 INFO L324 seRefinementStrategy]: Number of different interpolants: perfect sequences [] imperfect sequences [71] total 71 [2018-07-23 13:37:41,619 INFO L142 lantAutomatonBuilder]: Constructing canonical interpolant automaton, with selfloop in false state [2018-07-23 13:37:41,619 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2018-07-23 13:37:41,619 INFO L185 omatonBuilderFactory]: Interpolants [13603#true, 13604#false, 13605#(<= ULTIMATE.start_main_~i~4 0), 13606#(<= ULTIMATE.start_main_~i~4 2), 13607#(<= ULTIMATE.start_main_~i~4 4), 13608#(<= ULTIMATE.start_main_~i~4 6), 13609#(<= ULTIMATE.start_main_~i~4 8), 13610#(<= ULTIMATE.start_main_~i~4 10), 13611#(<= ULTIMATE.start_main_~i~4 12), 13612#(<= ULTIMATE.start_main_~i~4 14), 13613#(<= ULTIMATE.start_main_~i~4 16), 13614#(<= ULTIMATE.start_main_~i~4 18), 13615#(<= ULTIMATE.start_main_~i~4 20), 13616#(<= ULTIMATE.start_main_~i~4 22), 13617#(<= ULTIMATE.start_main_~i~4 24), 13618#(<= ULTIMATE.start_main_~i~4 26), 13619#(<= ULTIMATE.start_main_~i~4 28), 13620#(<= ULTIMATE.start_main_~i~4 30), 13621#(<= ULTIMATE.start_main_~i~4 32), 13622#(<= ULTIMATE.start_main_~i~4 34), 13623#(<= ULTIMATE.start_main_~i~4 36), 13624#(<= ULTIMATE.start_main_~i~4 38), 13625#(<= ULTIMATE.start_main_~i~4 40), 13626#(<= ULTIMATE.start_main_~i~4 42), 13627#(<= ULTIMATE.start_main_~i~4 44), 13628#(<= ULTIMATE.start_main_~i~4 46), 13629#(<= ULTIMATE.start_main_~i~4 48), 13630#(<= ULTIMATE.start_main_~i~4 50), 13631#(<= ULTIMATE.start_main_~i~4 52), 13632#(<= ULTIMATE.start_main_~i~4 54), 13633#(<= ULTIMATE.start_main_~i~4 56), 13634#(<= ULTIMATE.start_main_~i~4 58), 13635#(<= ULTIMATE.start_main_~i~4 60), 13636#(<= ULTIMATE.start_main_~i~4 62), 13637#(<= ULTIMATE.start_main_~i~4 64), 13638#(<= ULTIMATE.start_main_~i~4 66), 13639#(<= ULTIMATE.start_main_~i~4 68), 13640#(<= ULTIMATE.start_main_~i~4 70), 13641#(<= ULTIMATE.start_main_~i~4 72), 13642#(<= ULTIMATE.start_main_~i~4 74), 13643#(<= ULTIMATE.start_main_~i~4 76), 13644#(<= ULTIMATE.start_main_~i~4 78), 13645#(<= ULTIMATE.start_main_~i~4 80), 13646#(<= ULTIMATE.start_main_~i~4 82), 13647#(<= ULTIMATE.start_main_~i~4 84), 13648#(<= ULTIMATE.start_main_~i~4 86), 13649#(<= ULTIMATE.start_main_~i~4 88), 13650#(<= ULTIMATE.start_main_~i~4 90), 13651#(<= ULTIMATE.start_main_~i~4 92), 13652#(<= ULTIMATE.start_main_~i~4 94), 13653#(<= ULTIMATE.start_main_~i~4 96), 13654#(<= ULTIMATE.start_main_~i~4 98), 13655#(<= ULTIMATE.start_main_~i~4 100), 13656#(<= ULTIMATE.start_main_~i~4 102), 13657#(<= ULTIMATE.start_main_~i~4 104), 13658#(<= ULTIMATE.start_main_~i~4 106), 13659#(<= ULTIMATE.start_main_~i~4 108), 13660#(<= ULTIMATE.start_main_~i~4 110), 13661#(<= ULTIMATE.start_main_~i~4 112), 13662#(<= ULTIMATE.start_main_~i~4 114), 13663#(<= ULTIMATE.start_main_~i~4 116), 13664#(<= ULTIMATE.start_main_~i~4 118), 13665#(<= ULTIMATE.start_main_~i~4 120), 13666#(<= ULTIMATE.start_main_~i~4 122), 13667#(<= ULTIMATE.start_main_~i~4 124), 13668#(<= ULTIMATE.start_main_~i~4 126), 13669#(<= ULTIMATE.start_main_~i~4 128), 13670#(<= ULTIMATE.start_main_~i~4 130), 13671#(<= ULTIMATE.start_main_~i~4 132), 13672#(<= ULTIMATE.start_main_~i~4 134), 13673#(<= ULTIMATE.start_main_~i~4 136), 13674#(<= ULTIMATE.start_main_~i~4 138)] [2018-07-23 13:37:41,620 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 13:37:41,620 INFO L450 AbstractCegarLoop]: Interpolant automaton has 72 states [2018-07-23 13:37:41,621 INFO L132 InterpolantAutomaton]: Constructing interpolant automaton starting with 72 interpolants. [2018-07-23 13:37:41,621 INFO L133 InterpolantAutomaton]: CoverageRelationStatistics Valid=2556, Invalid=2556, Unknown=0, NotChecked=0, Total=5112 [2018-07-23 13:37:41,621 INFO L87 Difference]: Start difference. First operand 73 states and 73 transitions. Second operand 72 states. [2018-07-23 13:37:41,679 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2018-07-23 13:37:41,679 INFO L93 Difference]: Finished difference Result 76 states and 76 transitions. [2018-07-23 13:37:41,679 INFO L142 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 72 states. [2018-07-23 13:37:41,680 INFO L78 Accepts]: Start accepts. Automaton has 72 states. Word has length 72 [2018-07-23 13:37:41,680 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2018-07-23 13:37:41,680 INFO L225 Difference]: With dead ends: 76 [2018-07-23 13:37:41,680 INFO L226 Difference]: Without dead ends: 74 [2018-07-23 13:37:41,681 INFO L575 BasicCegarLoop]: 0 DeclaredPredicates, 71 GetRequests, 1 SyntacticMatches, 0 SemanticMatches, 70 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 0 ImplicationChecksByTransitivity, 0.2s TimeCoverageRelationStatistics Valid=2556, Invalid=2556, Unknown=0, NotChecked=0, Total=5112 [2018-07-23 13:37:41,682 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 74 states. [2018-07-23 13:37:41,684 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 74 to 74. [2018-07-23 13:37:41,684 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 74 states. [2018-07-23 13:37:41,684 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 74 states to 74 states and 74 transitions. [2018-07-23 13:37:41,684 INFO L78 Accepts]: Start accepts. Automaton has 74 states and 74 transitions. Word has length 72 [2018-07-23 13:37:41,685 INFO L84 Accepts]: Finished accepts. word is rejected. [2018-07-23 13:37:41,685 INFO L471 AbstractCegarLoop]: Abstraction has 74 states and 74 transitions. [2018-07-23 13:37:41,685 INFO L472 AbstractCegarLoop]: Interpolant automaton has 72 states. [2018-07-23 13:37:41,685 INFO L276 IsEmpty]: Start isEmpty. Operand 74 states and 74 transitions. [2018-07-23 13:37:41,685 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 74 [2018-07-23 13:37:41,686 INFO L349 BasicCegarLoop]: Found error trace [2018-07-23 13:37:41,686 INFO L357 BasicCegarLoop]: trace histogram [70, 1, 1, 1] [2018-07-23 13:37:41,686 INFO L414 AbstractCegarLoop]: === Iteration 71 === [ULTIMATE.startErr0AssertViolationASSERT]=== [2018-07-23 13:37:41,686 INFO L82 PathProgramCache]: Analyzing trace with hash 1000185825, now seen corresponding path program 70 times [2018-07-23 13:37:41,686 INFO L69 tionRefinementEngine]: Using refinement strategy FixedRefinementStrategy [2018-07-23 13:37:41,703 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-07-23 13:37:41,918 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 13:37:41,919 INFO L309 seRefinementStrategy]: Constructing automaton from 0 perfect and 1 imperfect interpolant sequences. [2018-07-23 13:37:41,919 INFO L324 seRefinementStrategy]: Number of different interpolants: perfect sequences [] imperfect sequences [72] total 72 [2018-07-23 13:37:41,919 INFO L142 lantAutomatonBuilder]: Constructing canonical interpolant automaton, with selfloop in false state [2018-07-23 13:37:41,919 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2018-07-23 13:37:41,920 INFO L185 omatonBuilderFactory]: Interpolants [13975#true, 13976#false, 13977#(<= ULTIMATE.start_main_~i~4 0), 13978#(<= ULTIMATE.start_main_~i~4 2), 13979#(<= ULTIMATE.start_main_~i~4 4), 13980#(<= ULTIMATE.start_main_~i~4 6), 13981#(<= ULTIMATE.start_main_~i~4 8), 13982#(<= ULTIMATE.start_main_~i~4 10), 13983#(<= ULTIMATE.start_main_~i~4 12), 13984#(<= ULTIMATE.start_main_~i~4 14), 13985#(<= ULTIMATE.start_main_~i~4 16), 13986#(<= ULTIMATE.start_main_~i~4 18), 13987#(<= ULTIMATE.start_main_~i~4 20), 13988#(<= ULTIMATE.start_main_~i~4 22), 13989#(<= ULTIMATE.start_main_~i~4 24), 13990#(<= ULTIMATE.start_main_~i~4 26), 13991#(<= ULTIMATE.start_main_~i~4 28), 13992#(<= ULTIMATE.start_main_~i~4 30), 13993#(<= ULTIMATE.start_main_~i~4 32), 13994#(<= ULTIMATE.start_main_~i~4 34), 13995#(<= ULTIMATE.start_main_~i~4 36), 13996#(<= ULTIMATE.start_main_~i~4 38), 13997#(<= ULTIMATE.start_main_~i~4 40), 13998#(<= ULTIMATE.start_main_~i~4 42), 13999#(<= ULTIMATE.start_main_~i~4 44), 14000#(<= ULTIMATE.start_main_~i~4 46), 14001#(<= ULTIMATE.start_main_~i~4 48), 14002#(<= ULTIMATE.start_main_~i~4 50), 14003#(<= ULTIMATE.start_main_~i~4 52), 14004#(<= ULTIMATE.start_main_~i~4 54), 14005#(<= ULTIMATE.start_main_~i~4 56), 14006#(<= ULTIMATE.start_main_~i~4 58), 14007#(<= ULTIMATE.start_main_~i~4 60), 14008#(<= ULTIMATE.start_main_~i~4 62), 14009#(<= ULTIMATE.start_main_~i~4 64), 14010#(<= ULTIMATE.start_main_~i~4 66), 14011#(<= ULTIMATE.start_main_~i~4 68), 14012#(<= ULTIMATE.start_main_~i~4 70), 14013#(<= ULTIMATE.start_main_~i~4 72), 14014#(<= ULTIMATE.start_main_~i~4 74), 14015#(<= ULTIMATE.start_main_~i~4 76), 14016#(<= ULTIMATE.start_main_~i~4 78), 14017#(<= ULTIMATE.start_main_~i~4 80), 14018#(<= ULTIMATE.start_main_~i~4 82), 14019#(<= ULTIMATE.start_main_~i~4 84), 14020#(<= ULTIMATE.start_main_~i~4 86), 14021#(<= ULTIMATE.start_main_~i~4 88), 14022#(<= ULTIMATE.start_main_~i~4 90), 14023#(<= ULTIMATE.start_main_~i~4 92), 14024#(<= ULTIMATE.start_main_~i~4 94), 14025#(<= ULTIMATE.start_main_~i~4 96), 14026#(<= ULTIMATE.start_main_~i~4 98), 14027#(<= ULTIMATE.start_main_~i~4 100), 14028#(<= ULTIMATE.start_main_~i~4 102), 14029#(<= ULTIMATE.start_main_~i~4 104), 14030#(<= ULTIMATE.start_main_~i~4 106), 14031#(<= ULTIMATE.start_main_~i~4 108), 14032#(<= ULTIMATE.start_main_~i~4 110), 14033#(<= ULTIMATE.start_main_~i~4 112), 14034#(<= ULTIMATE.start_main_~i~4 114), 14035#(<= ULTIMATE.start_main_~i~4 116), 14036#(<= ULTIMATE.start_main_~i~4 118), 14037#(<= ULTIMATE.start_main_~i~4 120), 14038#(<= ULTIMATE.start_main_~i~4 122), 14039#(<= ULTIMATE.start_main_~i~4 124), 14040#(<= ULTIMATE.start_main_~i~4 126), 14041#(<= ULTIMATE.start_main_~i~4 128), 14042#(<= ULTIMATE.start_main_~i~4 130), 14043#(<= ULTIMATE.start_main_~i~4 132), 14044#(<= ULTIMATE.start_main_~i~4 134), 14045#(<= ULTIMATE.start_main_~i~4 136), 14046#(<= ULTIMATE.start_main_~i~4 138), 14047#(<= ULTIMATE.start_main_~i~4 140)] [2018-07-23 13:37:41,920 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 13:37:41,920 INFO L450 AbstractCegarLoop]: Interpolant automaton has 73 states [2018-07-23 13:37:41,921 INFO L132 InterpolantAutomaton]: Constructing interpolant automaton starting with 73 interpolants. [2018-07-23 13:37:41,921 INFO L133 InterpolantAutomaton]: CoverageRelationStatistics Valid=2628, Invalid=2628, Unknown=0, NotChecked=0, Total=5256 [2018-07-23 13:37:41,922 INFO L87 Difference]: Start difference. First operand 74 states and 74 transitions. Second operand 73 states. [2018-07-23 13:37:41,975 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2018-07-23 13:37:41,976 INFO L93 Difference]: Finished difference Result 77 states and 77 transitions. [2018-07-23 13:37:41,976 INFO L142 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 73 states. [2018-07-23 13:37:41,976 INFO L78 Accepts]: Start accepts. Automaton has 73 states. Word has length 73 [2018-07-23 13:37:41,976 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2018-07-23 13:37:41,977 INFO L225 Difference]: With dead ends: 77 [2018-07-23 13:37:41,977 INFO L226 Difference]: Without dead ends: 75 [2018-07-23 13:37:41,978 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 13:37:41,978 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 75 states. [2018-07-23 13:37:41,980 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 75 to 75. [2018-07-23 13:37:41,980 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 75 states. [2018-07-23 13:37:41,981 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 75 states to 75 states and 75 transitions. [2018-07-23 13:37:41,981 INFO L78 Accepts]: Start accepts. Automaton has 75 states and 75 transitions. Word has length 73 [2018-07-23 13:37:41,981 INFO L84 Accepts]: Finished accepts. word is rejected. [2018-07-23 13:37:41,981 INFO L471 AbstractCegarLoop]: Abstraction has 75 states and 75 transitions. [2018-07-23 13:37:41,981 INFO L472 AbstractCegarLoop]: Interpolant automaton has 73 states. [2018-07-23 13:37:41,981 INFO L276 IsEmpty]: Start isEmpty. Operand 75 states and 75 transitions. [2018-07-23 13:37:41,982 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 75 [2018-07-23 13:37:41,982 INFO L349 BasicCegarLoop]: Found error trace [2018-07-23 13:37:41,982 INFO L357 BasicCegarLoop]: trace histogram [71, 1, 1, 1] [2018-07-23 13:37:41,982 INFO L414 AbstractCegarLoop]: === Iteration 72 === [ULTIMATE.startErr0AssertViolationASSERT]=== [2018-07-23 13:37:41,982 INFO L82 PathProgramCache]: Analyzing trace with hash 940987528, now seen corresponding path program 71 times [2018-07-23 13:37:41,983 INFO L69 tionRefinementEngine]: Using refinement strategy FixedRefinementStrategy [2018-07-23 13:37:42,001 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-07-23 13:37:42,208 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 13:37:42,209 INFO L309 seRefinementStrategy]: Constructing automaton from 0 perfect and 1 imperfect interpolant sequences. [2018-07-23 13:37:42,209 INFO L324 seRefinementStrategy]: Number of different interpolants: perfect sequences [] imperfect sequences [73] total 73 [2018-07-23 13:37:42,209 INFO L142 lantAutomatonBuilder]: Constructing canonical interpolant automaton, with selfloop in false state [2018-07-23 13:37:42,209 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 13:37:42,210 INFO L185 omatonBuilderFactory]: Interpolants [14352#true, 14353#false, 14354#(<= ULTIMATE.start_main_~i~4 0), 14355#(<= ULTIMATE.start_main_~i~4 2), 14356#(<= ULTIMATE.start_main_~i~4 4), 14357#(<= ULTIMATE.start_main_~i~4 6), 14358#(<= ULTIMATE.start_main_~i~4 8), 14359#(<= ULTIMATE.start_main_~i~4 10), 14360#(<= ULTIMATE.start_main_~i~4 12), 14361#(<= ULTIMATE.start_main_~i~4 14), 14362#(<= ULTIMATE.start_main_~i~4 16), 14363#(<= ULTIMATE.start_main_~i~4 18), 14364#(<= ULTIMATE.start_main_~i~4 20), 14365#(<= ULTIMATE.start_main_~i~4 22), 14366#(<= ULTIMATE.start_main_~i~4 24), 14367#(<= ULTIMATE.start_main_~i~4 26), 14368#(<= ULTIMATE.start_main_~i~4 28), 14369#(<= ULTIMATE.start_main_~i~4 30), 14370#(<= ULTIMATE.start_main_~i~4 32), 14371#(<= ULTIMATE.start_main_~i~4 34), 14372#(<= ULTIMATE.start_main_~i~4 36), 14373#(<= ULTIMATE.start_main_~i~4 38), 14374#(<= ULTIMATE.start_main_~i~4 40), 14375#(<= ULTIMATE.start_main_~i~4 42), 14376#(<= ULTIMATE.start_main_~i~4 44), 14377#(<= ULTIMATE.start_main_~i~4 46), 14378#(<= ULTIMATE.start_main_~i~4 48), 14379#(<= ULTIMATE.start_main_~i~4 50), 14380#(<= ULTIMATE.start_main_~i~4 52), 14381#(<= ULTIMATE.start_main_~i~4 54), 14382#(<= ULTIMATE.start_main_~i~4 56), 14383#(<= ULTIMATE.start_main_~i~4 58), 14384#(<= ULTIMATE.start_main_~i~4 60), 14385#(<= ULTIMATE.start_main_~i~4 62), 14386#(<= ULTIMATE.start_main_~i~4 64), 14387#(<= ULTIMATE.start_main_~i~4 66), 14388#(<= ULTIMATE.start_main_~i~4 68), 14389#(<= ULTIMATE.start_main_~i~4 70), 14390#(<= ULTIMATE.start_main_~i~4 72), 14391#(<= ULTIMATE.start_main_~i~4 74), 14392#(<= ULTIMATE.start_main_~i~4 76), 14393#(<= ULTIMATE.start_main_~i~4 78), 14394#(<= ULTIMATE.start_main_~i~4 80), 14395#(<= ULTIMATE.start_main_~i~4 82), 14396#(<= ULTIMATE.start_main_~i~4 84), 14397#(<= ULTIMATE.start_main_~i~4 86), 14398#(<= ULTIMATE.start_main_~i~4 88), 14399#(<= ULTIMATE.start_main_~i~4 90), 14400#(<= ULTIMATE.start_main_~i~4 92), 14401#(<= ULTIMATE.start_main_~i~4 94), 14402#(<= ULTIMATE.start_main_~i~4 96), 14403#(<= ULTIMATE.start_main_~i~4 98), 14404#(<= ULTIMATE.start_main_~i~4 100), 14405#(<= ULTIMATE.start_main_~i~4 102), 14406#(<= ULTIMATE.start_main_~i~4 104), 14407#(<= ULTIMATE.start_main_~i~4 106), 14408#(<= ULTIMATE.start_main_~i~4 108), 14409#(<= ULTIMATE.start_main_~i~4 110), 14410#(<= ULTIMATE.start_main_~i~4 112), 14411#(<= ULTIMATE.start_main_~i~4 114), 14412#(<= ULTIMATE.start_main_~i~4 116), 14413#(<= ULTIMATE.start_main_~i~4 118), 14414#(<= ULTIMATE.start_main_~i~4 120), 14415#(<= ULTIMATE.start_main_~i~4 122), 14416#(<= ULTIMATE.start_main_~i~4 124), 14417#(<= ULTIMATE.start_main_~i~4 126), 14418#(<= ULTIMATE.start_main_~i~4 128), 14419#(<= ULTIMATE.start_main_~i~4 130), 14420#(<= ULTIMATE.start_main_~i~4 132), 14421#(<= ULTIMATE.start_main_~i~4 134), 14422#(<= ULTIMATE.start_main_~i~4 136), 14423#(<= ULTIMATE.start_main_~i~4 138), 14424#(<= ULTIMATE.start_main_~i~4 140), 14425#(<= ULTIMATE.start_main_~i~4 142)] [2018-07-23 13:37:42,210 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 13:37:42,210 INFO L450 AbstractCegarLoop]: Interpolant automaton has 74 states [2018-07-23 13:37:42,211 INFO L132 InterpolantAutomaton]: Constructing interpolant automaton starting with 74 interpolants. [2018-07-23 13:37:42,212 INFO L133 InterpolantAutomaton]: CoverageRelationStatistics Valid=2701, Invalid=2701, Unknown=0, NotChecked=0, Total=5402 [2018-07-23 13:37:42,212 INFO L87 Difference]: Start difference. First operand 75 states and 75 transitions. Second operand 74 states. [2018-07-23 13:37:42,272 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2018-07-23 13:37:42,273 INFO L93 Difference]: Finished difference Result 78 states and 78 transitions. [2018-07-23 13:37:42,273 INFO L142 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 74 states. [2018-07-23 13:37:42,273 INFO L78 Accepts]: Start accepts. Automaton has 74 states. Word has length 74 [2018-07-23 13:37:42,273 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2018-07-23 13:37:42,274 INFO L225 Difference]: With dead ends: 78 [2018-07-23 13:37:42,274 INFO L226 Difference]: Without dead ends: 76 [2018-07-23 13:37:42,275 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 13:37:42,275 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 76 states. [2018-07-23 13:37:42,277 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 76 to 76. [2018-07-23 13:37:42,277 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 76 states. [2018-07-23 13:37:42,277 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 76 states to 76 states and 76 transitions. [2018-07-23 13:37:42,278 INFO L78 Accepts]: Start accepts. Automaton has 76 states and 76 transitions. Word has length 74 [2018-07-23 13:37:42,278 INFO L84 Accepts]: Finished accepts. word is rejected. [2018-07-23 13:37:42,278 INFO L471 AbstractCegarLoop]: Abstraction has 76 states and 76 transitions. [2018-07-23 13:37:42,278 INFO L472 AbstractCegarLoop]: Interpolant automaton has 74 states. [2018-07-23 13:37:42,278 INFO L276 IsEmpty]: Start isEmpty. Operand 76 states and 76 transitions. [2018-07-23 13:37:42,279 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 76 [2018-07-23 13:37:42,279 INFO L349 BasicCegarLoop]: Found error trace [2018-07-23 13:37:42,279 INFO L357 BasicCegarLoop]: trace histogram [72, 1, 1, 1] [2018-07-23 13:37:42,279 INFO L414 AbstractCegarLoop]: === Iteration 73 === [ULTIMATE.startErr0AssertViolationASSERT]=== [2018-07-23 13:37:42,279 INFO L82 PathProgramCache]: Analyzing trace with hash -894159679, now seen corresponding path program 72 times [2018-07-23 13:37:42,280 INFO L69 tionRefinementEngine]: Using refinement strategy FixedRefinementStrategy [2018-07-23 13:37:42,299 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-07-23 13:37:42,519 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 13:37:42,519 INFO L309 seRefinementStrategy]: Constructing automaton from 0 perfect and 1 imperfect interpolant sequences. [2018-07-23 13:37:42,519 INFO L324 seRefinementStrategy]: Number of different interpolants: perfect sequences [] imperfect sequences [74] total 74 [2018-07-23 13:37:42,519 INFO L142 lantAutomatonBuilder]: Constructing canonical interpolant automaton, with selfloop in false state [2018-07-23 13:37:42,519 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2018-07-23 13:37:42,520 INFO L185 omatonBuilderFactory]: Interpolants [14734#true, 14735#false, 14736#(<= ULTIMATE.start_main_~i~4 0), 14737#(<= ULTIMATE.start_main_~i~4 2), 14738#(<= ULTIMATE.start_main_~i~4 4), 14739#(<= ULTIMATE.start_main_~i~4 6), 14740#(<= ULTIMATE.start_main_~i~4 8), 14741#(<= ULTIMATE.start_main_~i~4 10), 14742#(<= ULTIMATE.start_main_~i~4 12), 14743#(<= ULTIMATE.start_main_~i~4 14), 14744#(<= ULTIMATE.start_main_~i~4 16), 14745#(<= ULTIMATE.start_main_~i~4 18), 14746#(<= ULTIMATE.start_main_~i~4 20), 14747#(<= ULTIMATE.start_main_~i~4 22), 14748#(<= ULTIMATE.start_main_~i~4 24), 14749#(<= ULTIMATE.start_main_~i~4 26), 14750#(<= ULTIMATE.start_main_~i~4 28), 14751#(<= ULTIMATE.start_main_~i~4 30), 14752#(<= ULTIMATE.start_main_~i~4 32), 14753#(<= ULTIMATE.start_main_~i~4 34), 14754#(<= ULTIMATE.start_main_~i~4 36), 14755#(<= ULTIMATE.start_main_~i~4 38), 14756#(<= ULTIMATE.start_main_~i~4 40), 14757#(<= ULTIMATE.start_main_~i~4 42), 14758#(<= ULTIMATE.start_main_~i~4 44), 14759#(<= ULTIMATE.start_main_~i~4 46), 14760#(<= ULTIMATE.start_main_~i~4 48), 14761#(<= ULTIMATE.start_main_~i~4 50), 14762#(<= ULTIMATE.start_main_~i~4 52), 14763#(<= ULTIMATE.start_main_~i~4 54), 14764#(<= ULTIMATE.start_main_~i~4 56), 14765#(<= ULTIMATE.start_main_~i~4 58), 14766#(<= ULTIMATE.start_main_~i~4 60), 14767#(<= ULTIMATE.start_main_~i~4 62), 14768#(<= ULTIMATE.start_main_~i~4 64), 14769#(<= ULTIMATE.start_main_~i~4 66), 14770#(<= ULTIMATE.start_main_~i~4 68), 14771#(<= ULTIMATE.start_main_~i~4 70), 14772#(<= ULTIMATE.start_main_~i~4 72), 14773#(<= ULTIMATE.start_main_~i~4 74), 14774#(<= ULTIMATE.start_main_~i~4 76), 14775#(<= ULTIMATE.start_main_~i~4 78), 14776#(<= ULTIMATE.start_main_~i~4 80), 14777#(<= ULTIMATE.start_main_~i~4 82), 14778#(<= ULTIMATE.start_main_~i~4 84), 14779#(<= ULTIMATE.start_main_~i~4 86), 14780#(<= ULTIMATE.start_main_~i~4 88), 14781#(<= ULTIMATE.start_main_~i~4 90), 14782#(<= ULTIMATE.start_main_~i~4 92), 14783#(<= ULTIMATE.start_main_~i~4 94), 14784#(<= ULTIMATE.start_main_~i~4 96), 14785#(<= ULTIMATE.start_main_~i~4 98), 14786#(<= ULTIMATE.start_main_~i~4 100), 14787#(<= ULTIMATE.start_main_~i~4 102), 14788#(<= ULTIMATE.start_main_~i~4 104), 14789#(<= ULTIMATE.start_main_~i~4 106), 14790#(<= ULTIMATE.start_main_~i~4 108), 14791#(<= ULTIMATE.start_main_~i~4 110), 14792#(<= ULTIMATE.start_main_~i~4 112), 14793#(<= ULTIMATE.start_main_~i~4 114), 14794#(<= ULTIMATE.start_main_~i~4 116), 14795#(<= ULTIMATE.start_main_~i~4 118), 14796#(<= ULTIMATE.start_main_~i~4 120), 14797#(<= ULTIMATE.start_main_~i~4 122), 14798#(<= ULTIMATE.start_main_~i~4 124), 14799#(<= ULTIMATE.start_main_~i~4 126), 14800#(<= ULTIMATE.start_main_~i~4 128), 14801#(<= ULTIMATE.start_main_~i~4 130), 14802#(<= ULTIMATE.start_main_~i~4 132), 14803#(<= ULTIMATE.start_main_~i~4 134), 14804#(<= ULTIMATE.start_main_~i~4 136), 14805#(<= ULTIMATE.start_main_~i~4 138), 14806#(<= ULTIMATE.start_main_~i~4 140), 14807#(<= ULTIMATE.start_main_~i~4 142), 14808#(<= ULTIMATE.start_main_~i~4 144)] [2018-07-23 13:37:42,520 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 13:37:42,520 INFO L450 AbstractCegarLoop]: Interpolant automaton has 75 states [2018-07-23 13:37:42,521 INFO L132 InterpolantAutomaton]: Constructing interpolant automaton starting with 75 interpolants. [2018-07-23 13:37:42,522 INFO L133 InterpolantAutomaton]: CoverageRelationStatistics Valid=2775, Invalid=2775, Unknown=0, NotChecked=0, Total=5550 [2018-07-23 13:37:42,522 INFO L87 Difference]: Start difference. First operand 76 states and 76 transitions. Second operand 75 states. [2018-07-23 13:37:42,582 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2018-07-23 13:37:42,582 INFO L93 Difference]: Finished difference Result 79 states and 79 transitions. [2018-07-23 13:37:42,583 INFO L142 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 75 states. [2018-07-23 13:37:42,583 INFO L78 Accepts]: Start accepts. Automaton has 75 states. Word has length 75 [2018-07-23 13:37:42,583 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2018-07-23 13:37:42,583 INFO L225 Difference]: With dead ends: 79 [2018-07-23 13:37:42,584 INFO L226 Difference]: Without dead ends: 77 [2018-07-23 13:37:42,584 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 13:37:42,584 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 77 states. [2018-07-23 13:37:42,587 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 77 to 77. [2018-07-23 13:37:42,587 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 77 states. [2018-07-23 13:37:42,587 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 77 states to 77 states and 77 transitions. [2018-07-23 13:37:42,587 INFO L78 Accepts]: Start accepts. Automaton has 77 states and 77 transitions. Word has length 75 [2018-07-23 13:37:42,588 INFO L84 Accepts]: Finished accepts. word is rejected. [2018-07-23 13:37:42,588 INFO L471 AbstractCegarLoop]: Abstraction has 77 states and 77 transitions. [2018-07-23 13:37:42,588 INFO L472 AbstractCegarLoop]: Interpolant automaton has 75 states. [2018-07-23 13:37:42,588 INFO L276 IsEmpty]: Start isEmpty. Operand 77 states and 77 transitions. [2018-07-23 13:37:42,588 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 77 [2018-07-23 13:37:42,588 INFO L349 BasicCegarLoop]: Found error trace [2018-07-23 13:37:42,589 INFO L357 BasicCegarLoop]: trace histogram [73, 1, 1, 1] [2018-07-23 13:37:42,589 INFO L414 AbstractCegarLoop]: === Iteration 74 === [ULTIMATE.startErr0AssertViolationASSERT]=== [2018-07-23 13:37:42,589 INFO L82 PathProgramCache]: Analyzing trace with hash -1949148248, now seen corresponding path program 73 times [2018-07-23 13:37:42,589 INFO L69 tionRefinementEngine]: Using refinement strategy FixedRefinementStrategy [2018-07-23 13:37:42,609 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-07-23 13:37:42,866 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 13:37:42,866 INFO L309 seRefinementStrategy]: Constructing automaton from 0 perfect and 1 imperfect interpolant sequences. [2018-07-23 13:37:42,866 INFO L324 seRefinementStrategy]: Number of different interpolants: perfect sequences [] imperfect sequences [75] total 75 [2018-07-23 13:37:42,866 INFO L142 lantAutomatonBuilder]: Constructing canonical interpolant automaton, with selfloop in false state [2018-07-23 13:37:42,867 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2018-07-23 13:37:42,867 INFO L185 omatonBuilderFactory]: Interpolants [15121#true, 15122#false, 15123#(<= ULTIMATE.start_main_~i~4 0), 15124#(<= ULTIMATE.start_main_~i~4 2), 15125#(<= ULTIMATE.start_main_~i~4 4), 15126#(<= ULTIMATE.start_main_~i~4 6), 15127#(<= ULTIMATE.start_main_~i~4 8), 15128#(<= ULTIMATE.start_main_~i~4 10), 15129#(<= ULTIMATE.start_main_~i~4 12), 15130#(<= ULTIMATE.start_main_~i~4 14), 15131#(<= ULTIMATE.start_main_~i~4 16), 15132#(<= ULTIMATE.start_main_~i~4 18), 15133#(<= ULTIMATE.start_main_~i~4 20), 15134#(<= ULTIMATE.start_main_~i~4 22), 15135#(<= ULTIMATE.start_main_~i~4 24), 15136#(<= ULTIMATE.start_main_~i~4 26), 15137#(<= ULTIMATE.start_main_~i~4 28), 15138#(<= ULTIMATE.start_main_~i~4 30), 15139#(<= ULTIMATE.start_main_~i~4 32), 15140#(<= ULTIMATE.start_main_~i~4 34), 15141#(<= ULTIMATE.start_main_~i~4 36), 15142#(<= ULTIMATE.start_main_~i~4 38), 15143#(<= ULTIMATE.start_main_~i~4 40), 15144#(<= ULTIMATE.start_main_~i~4 42), 15145#(<= ULTIMATE.start_main_~i~4 44), 15146#(<= ULTIMATE.start_main_~i~4 46), 15147#(<= ULTIMATE.start_main_~i~4 48), 15148#(<= ULTIMATE.start_main_~i~4 50), 15149#(<= ULTIMATE.start_main_~i~4 52), 15150#(<= ULTIMATE.start_main_~i~4 54), 15151#(<= ULTIMATE.start_main_~i~4 56), 15152#(<= ULTIMATE.start_main_~i~4 58), 15153#(<= ULTIMATE.start_main_~i~4 60), 15154#(<= ULTIMATE.start_main_~i~4 62), 15155#(<= ULTIMATE.start_main_~i~4 64), 15156#(<= ULTIMATE.start_main_~i~4 66), 15157#(<= ULTIMATE.start_main_~i~4 68), 15158#(<= ULTIMATE.start_main_~i~4 70), 15159#(<= ULTIMATE.start_main_~i~4 72), 15160#(<= ULTIMATE.start_main_~i~4 74), 15161#(<= ULTIMATE.start_main_~i~4 76), 15162#(<= ULTIMATE.start_main_~i~4 78), 15163#(<= ULTIMATE.start_main_~i~4 80), 15164#(<= ULTIMATE.start_main_~i~4 82), 15165#(<= ULTIMATE.start_main_~i~4 84), 15166#(<= ULTIMATE.start_main_~i~4 86), 15167#(<= ULTIMATE.start_main_~i~4 88), 15168#(<= ULTIMATE.start_main_~i~4 90), 15169#(<= ULTIMATE.start_main_~i~4 92), 15170#(<= ULTIMATE.start_main_~i~4 94), 15171#(<= ULTIMATE.start_main_~i~4 96), 15172#(<= ULTIMATE.start_main_~i~4 98), 15173#(<= ULTIMATE.start_main_~i~4 100), 15174#(<= ULTIMATE.start_main_~i~4 102), 15175#(<= ULTIMATE.start_main_~i~4 104), 15176#(<= ULTIMATE.start_main_~i~4 106), 15177#(<= ULTIMATE.start_main_~i~4 108), 15178#(<= ULTIMATE.start_main_~i~4 110), 15179#(<= ULTIMATE.start_main_~i~4 112), 15180#(<= ULTIMATE.start_main_~i~4 114), 15181#(<= ULTIMATE.start_main_~i~4 116), 15182#(<= ULTIMATE.start_main_~i~4 118), 15183#(<= ULTIMATE.start_main_~i~4 120), 15184#(<= ULTIMATE.start_main_~i~4 122), 15185#(<= ULTIMATE.start_main_~i~4 124), 15186#(<= ULTIMATE.start_main_~i~4 126), 15187#(<= ULTIMATE.start_main_~i~4 128), 15188#(<= ULTIMATE.start_main_~i~4 130), 15189#(<= ULTIMATE.start_main_~i~4 132), 15190#(<= ULTIMATE.start_main_~i~4 134), 15191#(<= ULTIMATE.start_main_~i~4 136), 15192#(<= ULTIMATE.start_main_~i~4 138), 15193#(<= ULTIMATE.start_main_~i~4 140), 15194#(<= ULTIMATE.start_main_~i~4 142), 15195#(<= ULTIMATE.start_main_~i~4 144), 15196#(<= ULTIMATE.start_main_~i~4 146)] [2018-07-23 13:37:42,867 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 13:37:42,868 INFO L450 AbstractCegarLoop]: Interpolant automaton has 76 states [2018-07-23 13:37:42,868 INFO L132 InterpolantAutomaton]: Constructing interpolant automaton starting with 76 interpolants. [2018-07-23 13:37:42,869 INFO L133 InterpolantAutomaton]: CoverageRelationStatistics Valid=2850, Invalid=2850, Unknown=0, NotChecked=0, Total=5700 [2018-07-23 13:37:42,869 INFO L87 Difference]: Start difference. First operand 77 states and 77 transitions. Second operand 76 states. [2018-07-23 13:37:42,934 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2018-07-23 13:37:42,934 INFO L93 Difference]: Finished difference Result 80 states and 80 transitions. [2018-07-23 13:37:42,934 INFO L142 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 76 states. [2018-07-23 13:37:42,934 INFO L78 Accepts]: Start accepts. Automaton has 76 states. Word has length 76 [2018-07-23 13:37:42,935 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2018-07-23 13:37:42,935 INFO L225 Difference]: With dead ends: 80 [2018-07-23 13:37:42,935 INFO L226 Difference]: Without dead ends: 78 [2018-07-23 13:37:42,936 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 13:37:42,936 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 78 states. [2018-07-23 13:37:42,938 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 78 to 78. [2018-07-23 13:37:42,939 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 78 states. [2018-07-23 13:37:42,939 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 78 states to 78 states and 78 transitions. [2018-07-23 13:37:42,939 INFO L78 Accepts]: Start accepts. Automaton has 78 states and 78 transitions. Word has length 76 [2018-07-23 13:37:42,939 INFO L84 Accepts]: Finished accepts. word is rejected. [2018-07-23 13:37:42,939 INFO L471 AbstractCegarLoop]: Abstraction has 78 states and 78 transitions. [2018-07-23 13:37:42,940 INFO L472 AbstractCegarLoop]: Interpolant automaton has 76 states. [2018-07-23 13:37:42,940 INFO L276 IsEmpty]: Start isEmpty. Operand 78 states and 78 transitions. [2018-07-23 13:37:42,940 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 78 [2018-07-23 13:37:42,940 INFO L349 BasicCegarLoop]: Found error trace [2018-07-23 13:37:42,940 INFO L357 BasicCegarLoop]: trace histogram [74, 1, 1, 1] [2018-07-23 13:37:42,941 INFO L414 AbstractCegarLoop]: === Iteration 75 === [ULTIMATE.startErr0AssertViolationASSERT]=== [2018-07-23 13:37:42,941 INFO L82 PathProgramCache]: Analyzing trace with hash -294055519, now seen corresponding path program 74 times [2018-07-23 13:37:42,941 INFO L69 tionRefinementEngine]: Using refinement strategy FixedRefinementStrategy [2018-07-23 13:37:42,960 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-07-23 13:37:43,164 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 13:37:43,164 INFO L309 seRefinementStrategy]: Constructing automaton from 0 perfect and 1 imperfect interpolant sequences. [2018-07-23 13:37:43,165 INFO L324 seRefinementStrategy]: Number of different interpolants: perfect sequences [] imperfect sequences [76] total 76 [2018-07-23 13:37:43,165 INFO L142 lantAutomatonBuilder]: Constructing canonical interpolant automaton, with selfloop in false state [2018-07-23 13:37:43,165 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2018-07-23 13:37:43,165 INFO L185 omatonBuilderFactory]: Interpolants [15513#true, 15514#false, 15515#(<= ULTIMATE.start_main_~i~4 0), 15516#(<= ULTIMATE.start_main_~i~4 2), 15517#(<= ULTIMATE.start_main_~i~4 4), 15518#(<= ULTIMATE.start_main_~i~4 6), 15519#(<= ULTIMATE.start_main_~i~4 8), 15520#(<= ULTIMATE.start_main_~i~4 10), 15521#(<= ULTIMATE.start_main_~i~4 12), 15522#(<= ULTIMATE.start_main_~i~4 14), 15523#(<= ULTIMATE.start_main_~i~4 16), 15524#(<= ULTIMATE.start_main_~i~4 18), 15525#(<= ULTIMATE.start_main_~i~4 20), 15526#(<= ULTIMATE.start_main_~i~4 22), 15527#(<= ULTIMATE.start_main_~i~4 24), 15528#(<= ULTIMATE.start_main_~i~4 26), 15529#(<= ULTIMATE.start_main_~i~4 28), 15530#(<= ULTIMATE.start_main_~i~4 30), 15531#(<= ULTIMATE.start_main_~i~4 32), 15532#(<= ULTIMATE.start_main_~i~4 34), 15533#(<= ULTIMATE.start_main_~i~4 36), 15534#(<= ULTIMATE.start_main_~i~4 38), 15535#(<= ULTIMATE.start_main_~i~4 40), 15536#(<= ULTIMATE.start_main_~i~4 42), 15537#(<= ULTIMATE.start_main_~i~4 44), 15538#(<= ULTIMATE.start_main_~i~4 46), 15539#(<= ULTIMATE.start_main_~i~4 48), 15540#(<= ULTIMATE.start_main_~i~4 50), 15541#(<= ULTIMATE.start_main_~i~4 52), 15542#(<= ULTIMATE.start_main_~i~4 54), 15543#(<= ULTIMATE.start_main_~i~4 56), 15544#(<= ULTIMATE.start_main_~i~4 58), 15545#(<= ULTIMATE.start_main_~i~4 60), 15546#(<= ULTIMATE.start_main_~i~4 62), 15547#(<= ULTIMATE.start_main_~i~4 64), 15548#(<= ULTIMATE.start_main_~i~4 66), 15549#(<= ULTIMATE.start_main_~i~4 68), 15550#(<= ULTIMATE.start_main_~i~4 70), 15551#(<= ULTIMATE.start_main_~i~4 72), 15552#(<= ULTIMATE.start_main_~i~4 74), 15553#(<= ULTIMATE.start_main_~i~4 76), 15554#(<= ULTIMATE.start_main_~i~4 78), 15555#(<= ULTIMATE.start_main_~i~4 80), 15556#(<= ULTIMATE.start_main_~i~4 82), 15557#(<= ULTIMATE.start_main_~i~4 84), 15558#(<= ULTIMATE.start_main_~i~4 86), 15559#(<= ULTIMATE.start_main_~i~4 88), 15560#(<= ULTIMATE.start_main_~i~4 90), 15561#(<= ULTIMATE.start_main_~i~4 92), 15562#(<= ULTIMATE.start_main_~i~4 94), 15563#(<= ULTIMATE.start_main_~i~4 96), 15564#(<= ULTIMATE.start_main_~i~4 98), 15565#(<= ULTIMATE.start_main_~i~4 100), 15566#(<= ULTIMATE.start_main_~i~4 102), 15567#(<= ULTIMATE.start_main_~i~4 104), 15568#(<= ULTIMATE.start_main_~i~4 106), 15569#(<= ULTIMATE.start_main_~i~4 108), 15570#(<= ULTIMATE.start_main_~i~4 110), 15571#(<= ULTIMATE.start_main_~i~4 112), 15572#(<= ULTIMATE.start_main_~i~4 114), 15573#(<= ULTIMATE.start_main_~i~4 116), 15574#(<= ULTIMATE.start_main_~i~4 118), 15575#(<= ULTIMATE.start_main_~i~4 120), 15576#(<= ULTIMATE.start_main_~i~4 122), 15577#(<= ULTIMATE.start_main_~i~4 124), 15578#(<= ULTIMATE.start_main_~i~4 126), 15579#(<= ULTIMATE.start_main_~i~4 128), 15580#(<= ULTIMATE.start_main_~i~4 130), 15581#(<= ULTIMATE.start_main_~i~4 132), 15582#(<= ULTIMATE.start_main_~i~4 134), 15583#(<= ULTIMATE.start_main_~i~4 136), 15584#(<= ULTIMATE.start_main_~i~4 138), 15585#(<= ULTIMATE.start_main_~i~4 140), 15586#(<= ULTIMATE.start_main_~i~4 142), 15587#(<= ULTIMATE.start_main_~i~4 144), 15588#(<= ULTIMATE.start_main_~i~4 146), 15589#(<= ULTIMATE.start_main_~i~4 148)] [2018-07-23 13:37:43,166 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 13:37:43,166 INFO L450 AbstractCegarLoop]: Interpolant automaton has 77 states [2018-07-23 13:37:43,167 INFO L132 InterpolantAutomaton]: Constructing interpolant automaton starting with 77 interpolants. [2018-07-23 13:37:43,167 INFO L133 InterpolantAutomaton]: CoverageRelationStatistics Valid=2926, Invalid=2926, Unknown=0, NotChecked=0, Total=5852 [2018-07-23 13:37:43,168 INFO L87 Difference]: Start difference. First operand 78 states and 78 transitions. Second operand 77 states. [2018-07-23 13:37:43,229 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2018-07-23 13:37:43,230 INFO L93 Difference]: Finished difference Result 81 states and 81 transitions. [2018-07-23 13:37:43,230 INFO L142 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 77 states. [2018-07-23 13:37:43,230 INFO L78 Accepts]: Start accepts. Automaton has 77 states. Word has length 77 [2018-07-23 13:37:43,230 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2018-07-23 13:37:43,231 INFO L225 Difference]: With dead ends: 81 [2018-07-23 13:37:43,231 INFO L226 Difference]: Without dead ends: 79 [2018-07-23 13:37:43,232 INFO L575 BasicCegarLoop]: 0 DeclaredPredicates, 76 GetRequests, 1 SyntacticMatches, 0 SemanticMatches, 75 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 0 ImplicationChecksByTransitivity, 0.1s TimeCoverageRelationStatistics Valid=2926, Invalid=2926, Unknown=0, NotChecked=0, Total=5852 [2018-07-23 13:37:43,232 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 79 states. [2018-07-23 13:37:43,234 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 79 to 79. [2018-07-23 13:37:43,234 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 79 states. [2018-07-23 13:37:43,234 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 79 states to 79 states and 79 transitions. [2018-07-23 13:37:43,235 INFO L78 Accepts]: Start accepts. Automaton has 79 states and 79 transitions. Word has length 77 [2018-07-23 13:37:43,235 INFO L84 Accepts]: Finished accepts. word is rejected. [2018-07-23 13:37:43,235 INFO L471 AbstractCegarLoop]: Abstraction has 79 states and 79 transitions. [2018-07-23 13:37:43,235 INFO L472 AbstractCegarLoop]: Interpolant automaton has 77 states. [2018-07-23 13:37:43,235 INFO L276 IsEmpty]: Start isEmpty. Operand 79 states and 79 transitions. [2018-07-23 13:37:43,236 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 79 [2018-07-23 13:37:43,236 INFO L349 BasicCegarLoop]: Found error trace [2018-07-23 13:37:43,236 INFO L357 BasicCegarLoop]: trace histogram [75, 1, 1, 1] [2018-07-23 13:37:43,236 INFO L414 AbstractCegarLoop]: === Iteration 76 === [ULTIMATE.startErr0AssertViolationASSERT]=== [2018-07-23 13:37:43,236 INFO L82 PathProgramCache]: Analyzing trace with hash -525788472, now seen corresponding path program 75 times [2018-07-23 13:37:43,237 INFO L69 tionRefinementEngine]: Using refinement strategy FixedRefinementStrategy [2018-07-23 13:37:43,256 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-07-23 13:37:43,461 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 13:37:43,462 INFO L309 seRefinementStrategy]: Constructing automaton from 0 perfect and 1 imperfect interpolant sequences. [2018-07-23 13:37:43,462 INFO L324 seRefinementStrategy]: Number of different interpolants: perfect sequences [] imperfect sequences [77] total 77 [2018-07-23 13:37:43,462 INFO L142 lantAutomatonBuilder]: Constructing canonical interpolant automaton, with selfloop in false state [2018-07-23 13:37:43,462 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2018-07-23 13:37:43,463 INFO L185 omatonBuilderFactory]: Interpolants [15910#true, 15911#false, 15912#(<= ULTIMATE.start_main_~i~4 0), 15913#(<= ULTIMATE.start_main_~i~4 2), 15914#(<= ULTIMATE.start_main_~i~4 4), 15915#(<= ULTIMATE.start_main_~i~4 6), 15916#(<= ULTIMATE.start_main_~i~4 8), 15917#(<= ULTIMATE.start_main_~i~4 10), 15918#(<= ULTIMATE.start_main_~i~4 12), 15919#(<= ULTIMATE.start_main_~i~4 14), 15920#(<= ULTIMATE.start_main_~i~4 16), 15921#(<= ULTIMATE.start_main_~i~4 18), 15922#(<= ULTIMATE.start_main_~i~4 20), 15923#(<= ULTIMATE.start_main_~i~4 22), 15924#(<= ULTIMATE.start_main_~i~4 24), 15925#(<= ULTIMATE.start_main_~i~4 26), 15926#(<= ULTIMATE.start_main_~i~4 28), 15927#(<= ULTIMATE.start_main_~i~4 30), 15928#(<= ULTIMATE.start_main_~i~4 32), 15929#(<= ULTIMATE.start_main_~i~4 34), 15930#(<= ULTIMATE.start_main_~i~4 36), 15931#(<= ULTIMATE.start_main_~i~4 38), 15932#(<= ULTIMATE.start_main_~i~4 40), 15933#(<= ULTIMATE.start_main_~i~4 42), 15934#(<= ULTIMATE.start_main_~i~4 44), 15935#(<= ULTIMATE.start_main_~i~4 46), 15936#(<= ULTIMATE.start_main_~i~4 48), 15937#(<= ULTIMATE.start_main_~i~4 50), 15938#(<= ULTIMATE.start_main_~i~4 52), 15939#(<= ULTIMATE.start_main_~i~4 54), 15940#(<= ULTIMATE.start_main_~i~4 56), 15941#(<= ULTIMATE.start_main_~i~4 58), 15942#(<= ULTIMATE.start_main_~i~4 60), 15943#(<= ULTIMATE.start_main_~i~4 62), 15944#(<= ULTIMATE.start_main_~i~4 64), 15945#(<= ULTIMATE.start_main_~i~4 66), 15946#(<= ULTIMATE.start_main_~i~4 68), 15947#(<= ULTIMATE.start_main_~i~4 70), 15948#(<= ULTIMATE.start_main_~i~4 72), 15949#(<= ULTIMATE.start_main_~i~4 74), 15950#(<= ULTIMATE.start_main_~i~4 76), 15951#(<= ULTIMATE.start_main_~i~4 78), 15952#(<= ULTIMATE.start_main_~i~4 80), 15953#(<= ULTIMATE.start_main_~i~4 82), 15954#(<= ULTIMATE.start_main_~i~4 84), 15955#(<= ULTIMATE.start_main_~i~4 86), 15956#(<= ULTIMATE.start_main_~i~4 88), 15957#(<= ULTIMATE.start_main_~i~4 90), 15958#(<= ULTIMATE.start_main_~i~4 92), 15959#(<= ULTIMATE.start_main_~i~4 94), 15960#(<= ULTIMATE.start_main_~i~4 96), 15961#(<= ULTIMATE.start_main_~i~4 98), 15962#(<= ULTIMATE.start_main_~i~4 100), 15963#(<= ULTIMATE.start_main_~i~4 102), 15964#(<= ULTIMATE.start_main_~i~4 104), 15965#(<= ULTIMATE.start_main_~i~4 106), 15966#(<= ULTIMATE.start_main_~i~4 108), 15967#(<= ULTIMATE.start_main_~i~4 110), 15968#(<= ULTIMATE.start_main_~i~4 112), 15969#(<= ULTIMATE.start_main_~i~4 114), 15970#(<= ULTIMATE.start_main_~i~4 116), 15971#(<= ULTIMATE.start_main_~i~4 118), 15972#(<= ULTIMATE.start_main_~i~4 120), 15973#(<= ULTIMATE.start_main_~i~4 122), 15974#(<= ULTIMATE.start_main_~i~4 124), 15975#(<= ULTIMATE.start_main_~i~4 126), 15976#(<= ULTIMATE.start_main_~i~4 128), 15977#(<= ULTIMATE.start_main_~i~4 130), 15978#(<= ULTIMATE.start_main_~i~4 132), 15979#(<= ULTIMATE.start_main_~i~4 134), 15980#(<= ULTIMATE.start_main_~i~4 136), 15981#(<= ULTIMATE.start_main_~i~4 138), 15982#(<= ULTIMATE.start_main_~i~4 140), 15983#(<= ULTIMATE.start_main_~i~4 142), 15984#(<= ULTIMATE.start_main_~i~4 144), 15985#(<= ULTIMATE.start_main_~i~4 146), 15986#(<= ULTIMATE.start_main_~i~4 148), 15987#(<= ULTIMATE.start_main_~i~4 150)] [2018-07-23 13:37:43,463 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 13:37:43,463 INFO L450 AbstractCegarLoop]: Interpolant automaton has 78 states [2018-07-23 13:37:43,464 INFO L132 InterpolantAutomaton]: Constructing interpolant automaton starting with 78 interpolants. [2018-07-23 13:37:43,465 INFO L133 InterpolantAutomaton]: CoverageRelationStatistics Valid=3003, Invalid=3003, Unknown=0, NotChecked=0, Total=6006 [2018-07-23 13:37:43,465 INFO L87 Difference]: Start difference. First operand 79 states and 79 transitions. Second operand 78 states. [2018-07-23 13:37:43,527 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2018-07-23 13:37:43,527 INFO L93 Difference]: Finished difference Result 82 states and 82 transitions. [2018-07-23 13:37:43,527 INFO L142 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 78 states. [2018-07-23 13:37:43,527 INFO L78 Accepts]: Start accepts. Automaton has 78 states. Word has length 78 [2018-07-23 13:37:43,527 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2018-07-23 13:37:43,528 INFO L225 Difference]: With dead ends: 82 [2018-07-23 13:37:43,528 INFO L226 Difference]: Without dead ends: 80 [2018-07-23 13:37:43,529 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 13:37:43,529 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 80 states. [2018-07-23 13:37:43,531 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 80 to 80. [2018-07-23 13:37:43,531 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 80 states. [2018-07-23 13:37:43,532 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 80 states to 80 states and 80 transitions. [2018-07-23 13:37:43,532 INFO L78 Accepts]: Start accepts. Automaton has 80 states and 80 transitions. Word has length 78 [2018-07-23 13:37:43,532 INFO L84 Accepts]: Finished accepts. word is rejected. [2018-07-23 13:37:43,532 INFO L471 AbstractCegarLoop]: Abstraction has 80 states and 80 transitions. [2018-07-23 13:37:43,532 INFO L472 AbstractCegarLoop]: Interpolant automaton has 78 states. [2018-07-23 13:37:43,532 INFO L276 IsEmpty]: Start isEmpty. Operand 80 states and 80 transitions. [2018-07-23 13:37:43,533 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 80 [2018-07-23 13:37:43,533 INFO L349 BasicCegarLoop]: Found error trace [2018-07-23 13:37:43,533 INFO L357 BasicCegarLoop]: trace histogram [76, 1, 1, 1] [2018-07-23 13:37:43,533 INFO L414 AbstractCegarLoop]: === Iteration 77 === [ULTIMATE.startErr0AssertViolationASSERT]=== [2018-07-23 13:37:43,533 INFO L82 PathProgramCache]: Analyzing trace with hash 880424577, now seen corresponding path program 76 times [2018-07-23 13:37:43,534 INFO L69 tionRefinementEngine]: Using refinement strategy FixedRefinementStrategy [2018-07-23 13:37:43,553 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-07-23 13:37:43,790 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 13:37:43,791 INFO L309 seRefinementStrategy]: Constructing automaton from 0 perfect and 1 imperfect interpolant sequences. [2018-07-23 13:37:43,791 INFO L324 seRefinementStrategy]: Number of different interpolants: perfect sequences [] imperfect sequences [78] total 78 [2018-07-23 13:37:43,791 INFO L142 lantAutomatonBuilder]: Constructing canonical interpolant automaton, with selfloop in false state [2018-07-23 13:37:43,791 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2018-07-23 13:37:43,792 INFO L185 omatonBuilderFactory]: Interpolants [16384#(<= ULTIMATE.start_main_~i~4 140), 16385#(<= ULTIMATE.start_main_~i~4 142), 16386#(<= ULTIMATE.start_main_~i~4 144), 16387#(<= ULTIMATE.start_main_~i~4 146), 16388#(<= ULTIMATE.start_main_~i~4 148), 16389#(<= ULTIMATE.start_main_~i~4 150), 16390#(<= ULTIMATE.start_main_~i~4 152), 16312#true, 16313#false, 16314#(<= ULTIMATE.start_main_~i~4 0), 16315#(<= ULTIMATE.start_main_~i~4 2), 16316#(<= ULTIMATE.start_main_~i~4 4), 16317#(<= ULTIMATE.start_main_~i~4 6), 16318#(<= ULTIMATE.start_main_~i~4 8), 16319#(<= ULTIMATE.start_main_~i~4 10), 16320#(<= ULTIMATE.start_main_~i~4 12), 16321#(<= ULTIMATE.start_main_~i~4 14), 16322#(<= ULTIMATE.start_main_~i~4 16), 16323#(<= ULTIMATE.start_main_~i~4 18), 16324#(<= ULTIMATE.start_main_~i~4 20), 16325#(<= ULTIMATE.start_main_~i~4 22), 16326#(<= ULTIMATE.start_main_~i~4 24), 16327#(<= ULTIMATE.start_main_~i~4 26), 16328#(<= ULTIMATE.start_main_~i~4 28), 16329#(<= ULTIMATE.start_main_~i~4 30), 16330#(<= ULTIMATE.start_main_~i~4 32), 16331#(<= ULTIMATE.start_main_~i~4 34), 16332#(<= ULTIMATE.start_main_~i~4 36), 16333#(<= ULTIMATE.start_main_~i~4 38), 16334#(<= ULTIMATE.start_main_~i~4 40), 16335#(<= ULTIMATE.start_main_~i~4 42), 16336#(<= ULTIMATE.start_main_~i~4 44), 16337#(<= ULTIMATE.start_main_~i~4 46), 16338#(<= ULTIMATE.start_main_~i~4 48), 16339#(<= ULTIMATE.start_main_~i~4 50), 16340#(<= ULTIMATE.start_main_~i~4 52), 16341#(<= ULTIMATE.start_main_~i~4 54), 16342#(<= ULTIMATE.start_main_~i~4 56), 16343#(<= ULTIMATE.start_main_~i~4 58), 16344#(<= ULTIMATE.start_main_~i~4 60), 16345#(<= ULTIMATE.start_main_~i~4 62), 16346#(<= ULTIMATE.start_main_~i~4 64), 16347#(<= ULTIMATE.start_main_~i~4 66), 16348#(<= ULTIMATE.start_main_~i~4 68), 16349#(<= ULTIMATE.start_main_~i~4 70), 16350#(<= ULTIMATE.start_main_~i~4 72), 16351#(<= ULTIMATE.start_main_~i~4 74), 16352#(<= ULTIMATE.start_main_~i~4 76), 16353#(<= ULTIMATE.start_main_~i~4 78), 16354#(<= ULTIMATE.start_main_~i~4 80), 16355#(<= ULTIMATE.start_main_~i~4 82), 16356#(<= ULTIMATE.start_main_~i~4 84), 16357#(<= ULTIMATE.start_main_~i~4 86), 16358#(<= ULTIMATE.start_main_~i~4 88), 16359#(<= ULTIMATE.start_main_~i~4 90), 16360#(<= ULTIMATE.start_main_~i~4 92), 16361#(<= ULTIMATE.start_main_~i~4 94), 16362#(<= ULTIMATE.start_main_~i~4 96), 16363#(<= ULTIMATE.start_main_~i~4 98), 16364#(<= ULTIMATE.start_main_~i~4 100), 16365#(<= ULTIMATE.start_main_~i~4 102), 16366#(<= ULTIMATE.start_main_~i~4 104), 16367#(<= ULTIMATE.start_main_~i~4 106), 16368#(<= ULTIMATE.start_main_~i~4 108), 16369#(<= ULTIMATE.start_main_~i~4 110), 16370#(<= ULTIMATE.start_main_~i~4 112), 16371#(<= ULTIMATE.start_main_~i~4 114), 16372#(<= ULTIMATE.start_main_~i~4 116), 16373#(<= ULTIMATE.start_main_~i~4 118), 16374#(<= ULTIMATE.start_main_~i~4 120), 16375#(<= ULTIMATE.start_main_~i~4 122), 16376#(<= ULTIMATE.start_main_~i~4 124), 16377#(<= ULTIMATE.start_main_~i~4 126), 16378#(<= ULTIMATE.start_main_~i~4 128), 16379#(<= ULTIMATE.start_main_~i~4 130), 16380#(<= ULTIMATE.start_main_~i~4 132), 16381#(<= ULTIMATE.start_main_~i~4 134), 16382#(<= ULTIMATE.start_main_~i~4 136), 16383#(<= ULTIMATE.start_main_~i~4 138)] [2018-07-23 13:37:43,792 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 13:37:43,793 INFO L450 AbstractCegarLoop]: Interpolant automaton has 79 states [2018-07-23 13:37:43,794 INFO L132 InterpolantAutomaton]: Constructing interpolant automaton starting with 79 interpolants. [2018-07-23 13:37:43,794 INFO L133 InterpolantAutomaton]: CoverageRelationStatistics Valid=3081, Invalid=3081, Unknown=0, NotChecked=0, Total=6162 [2018-07-23 13:37:43,795 INFO L87 Difference]: Start difference. First operand 80 states and 80 transitions. Second operand 79 states. [2018-07-23 13:37:43,853 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2018-07-23 13:37:43,853 INFO L93 Difference]: Finished difference Result 83 states and 83 transitions. [2018-07-23 13:37:43,853 INFO L142 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 79 states. [2018-07-23 13:37:43,854 INFO L78 Accepts]: Start accepts. Automaton has 79 states. Word has length 79 [2018-07-23 13:37:43,854 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2018-07-23 13:37:43,854 INFO L225 Difference]: With dead ends: 83 [2018-07-23 13:37:43,855 INFO L226 Difference]: Without dead ends: 81 [2018-07-23 13:37:43,856 INFO L575 BasicCegarLoop]: 0 DeclaredPredicates, 78 GetRequests, 1 SyntacticMatches, 0 SemanticMatches, 77 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 0 ImplicationChecksByTransitivity, 0.2s TimeCoverageRelationStatistics Valid=3081, Invalid=3081, Unknown=0, NotChecked=0, Total=6162 [2018-07-23 13:37:43,856 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 81 states. [2018-07-23 13:37:43,859 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 81 to 81. [2018-07-23 13:37:43,859 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 81 states. [2018-07-23 13:37:43,860 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 81 states to 81 states and 81 transitions. [2018-07-23 13:37:43,860 INFO L78 Accepts]: Start accepts. Automaton has 81 states and 81 transitions. Word has length 79 [2018-07-23 13:37:43,860 INFO L84 Accepts]: Finished accepts. word is rejected. [2018-07-23 13:37:43,860 INFO L471 AbstractCegarLoop]: Abstraction has 81 states and 81 transitions. [2018-07-23 13:37:43,860 INFO L472 AbstractCegarLoop]: Interpolant automaton has 79 states. [2018-07-23 13:37:43,860 INFO L276 IsEmpty]: Start isEmpty. Operand 81 states and 81 transitions. [2018-07-23 13:37:43,861 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 81 [2018-07-23 13:37:43,861 INFO L349 BasicCegarLoop]: Found error trace [2018-07-23 13:37:43,862 INFO L357 BasicCegarLoop]: trace histogram [77, 1, 1, 1] [2018-07-23 13:37:43,862 INFO L414 AbstractCegarLoop]: === Iteration 78 === [ULTIMATE.startErr0AssertViolationASSERT]=== [2018-07-23 13:37:43,862 INFO L82 PathProgramCache]: Analyzing trace with hash 1523356136, now seen corresponding path program 77 times [2018-07-23 13:37:43,862 INFO L69 tionRefinementEngine]: Using refinement strategy FixedRefinementStrategy [2018-07-23 13:37:43,886 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-07-23 13:37:44,117 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 13:37:44,117 INFO L309 seRefinementStrategy]: Constructing automaton from 0 perfect and 1 imperfect interpolant sequences. [2018-07-23 13:37:44,117 INFO L324 seRefinementStrategy]: Number of different interpolants: perfect sequences [] imperfect sequences [79] total 79 [2018-07-23 13:37:44,118 INFO L142 lantAutomatonBuilder]: Constructing canonical interpolant automaton, with selfloop in false state [2018-07-23 13:37:44,118 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2018-07-23 13:37:44,118 INFO L185 omatonBuilderFactory]: Interpolants [16768#(<= ULTIMATE.start_main_~i~4 94), 16769#(<= ULTIMATE.start_main_~i~4 96), 16770#(<= ULTIMATE.start_main_~i~4 98), 16771#(<= ULTIMATE.start_main_~i~4 100), 16772#(<= ULTIMATE.start_main_~i~4 102), 16773#(<= ULTIMATE.start_main_~i~4 104), 16774#(<= ULTIMATE.start_main_~i~4 106), 16775#(<= ULTIMATE.start_main_~i~4 108), 16776#(<= ULTIMATE.start_main_~i~4 110), 16777#(<= ULTIMATE.start_main_~i~4 112), 16778#(<= ULTIMATE.start_main_~i~4 114), 16779#(<= ULTIMATE.start_main_~i~4 116), 16780#(<= ULTIMATE.start_main_~i~4 118), 16781#(<= ULTIMATE.start_main_~i~4 120), 16782#(<= ULTIMATE.start_main_~i~4 122), 16783#(<= ULTIMATE.start_main_~i~4 124), 16784#(<= ULTIMATE.start_main_~i~4 126), 16785#(<= ULTIMATE.start_main_~i~4 128), 16786#(<= ULTIMATE.start_main_~i~4 130), 16787#(<= ULTIMATE.start_main_~i~4 132), 16788#(<= ULTIMATE.start_main_~i~4 134), 16789#(<= ULTIMATE.start_main_~i~4 136), 16790#(<= ULTIMATE.start_main_~i~4 138), 16791#(<= ULTIMATE.start_main_~i~4 140), 16792#(<= ULTIMATE.start_main_~i~4 142), 16793#(<= ULTIMATE.start_main_~i~4 144), 16794#(<= ULTIMATE.start_main_~i~4 146), 16795#(<= ULTIMATE.start_main_~i~4 148), 16796#(<= ULTIMATE.start_main_~i~4 150), 16797#(<= ULTIMATE.start_main_~i~4 152), 16798#(<= ULTIMATE.start_main_~i~4 154), 16719#true, 16720#false, 16721#(<= ULTIMATE.start_main_~i~4 0), 16722#(<= ULTIMATE.start_main_~i~4 2), 16723#(<= ULTIMATE.start_main_~i~4 4), 16724#(<= ULTIMATE.start_main_~i~4 6), 16725#(<= ULTIMATE.start_main_~i~4 8), 16726#(<= ULTIMATE.start_main_~i~4 10), 16727#(<= ULTIMATE.start_main_~i~4 12), 16728#(<= ULTIMATE.start_main_~i~4 14), 16729#(<= ULTIMATE.start_main_~i~4 16), 16730#(<= ULTIMATE.start_main_~i~4 18), 16731#(<= ULTIMATE.start_main_~i~4 20), 16732#(<= ULTIMATE.start_main_~i~4 22), 16733#(<= ULTIMATE.start_main_~i~4 24), 16734#(<= ULTIMATE.start_main_~i~4 26), 16735#(<= ULTIMATE.start_main_~i~4 28), 16736#(<= ULTIMATE.start_main_~i~4 30), 16737#(<= ULTIMATE.start_main_~i~4 32), 16738#(<= ULTIMATE.start_main_~i~4 34), 16739#(<= ULTIMATE.start_main_~i~4 36), 16740#(<= ULTIMATE.start_main_~i~4 38), 16741#(<= ULTIMATE.start_main_~i~4 40), 16742#(<= ULTIMATE.start_main_~i~4 42), 16743#(<= ULTIMATE.start_main_~i~4 44), 16744#(<= ULTIMATE.start_main_~i~4 46), 16745#(<= ULTIMATE.start_main_~i~4 48), 16746#(<= ULTIMATE.start_main_~i~4 50), 16747#(<= ULTIMATE.start_main_~i~4 52), 16748#(<= ULTIMATE.start_main_~i~4 54), 16749#(<= ULTIMATE.start_main_~i~4 56), 16750#(<= ULTIMATE.start_main_~i~4 58), 16751#(<= ULTIMATE.start_main_~i~4 60), 16752#(<= ULTIMATE.start_main_~i~4 62), 16753#(<= ULTIMATE.start_main_~i~4 64), 16754#(<= ULTIMATE.start_main_~i~4 66), 16755#(<= ULTIMATE.start_main_~i~4 68), 16756#(<= ULTIMATE.start_main_~i~4 70), 16757#(<= ULTIMATE.start_main_~i~4 72), 16758#(<= ULTIMATE.start_main_~i~4 74), 16759#(<= ULTIMATE.start_main_~i~4 76), 16760#(<= ULTIMATE.start_main_~i~4 78), 16761#(<= ULTIMATE.start_main_~i~4 80), 16762#(<= ULTIMATE.start_main_~i~4 82), 16763#(<= ULTIMATE.start_main_~i~4 84), 16764#(<= ULTIMATE.start_main_~i~4 86), 16765#(<= ULTIMATE.start_main_~i~4 88), 16766#(<= ULTIMATE.start_main_~i~4 90), 16767#(<= ULTIMATE.start_main_~i~4 92)] [2018-07-23 13:37:44,119 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 13:37:44,119 INFO L450 AbstractCegarLoop]: Interpolant automaton has 80 states [2018-07-23 13:37:44,120 INFO L132 InterpolantAutomaton]: Constructing interpolant automaton starting with 80 interpolants. [2018-07-23 13:37:44,121 INFO L133 InterpolantAutomaton]: CoverageRelationStatistics Valid=3160, Invalid=3160, Unknown=0, NotChecked=0, Total=6320 [2018-07-23 13:37:44,121 INFO L87 Difference]: Start difference. First operand 81 states and 81 transitions. Second operand 80 states. [2018-07-23 13:37:44,158 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2018-07-23 13:37:44,159 INFO L93 Difference]: Finished difference Result 84 states and 84 transitions. [2018-07-23 13:37:44,159 INFO L142 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 80 states. [2018-07-23 13:37:44,159 INFO L78 Accepts]: Start accepts. Automaton has 80 states. Word has length 80 [2018-07-23 13:37:44,159 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2018-07-23 13:37:44,160 INFO L225 Difference]: With dead ends: 84 [2018-07-23 13:37:44,160 INFO L226 Difference]: Without dead ends: 82 [2018-07-23 13:37:44,161 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 13:37:44,161 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 82 states. [2018-07-23 13:37:44,163 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 82 to 82. [2018-07-23 13:37:44,163 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 82 states. [2018-07-23 13:37:44,164 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 82 states to 82 states and 82 transitions. [2018-07-23 13:37:44,164 INFO L78 Accepts]: Start accepts. Automaton has 82 states and 82 transitions. Word has length 80 [2018-07-23 13:37:44,164 INFO L84 Accepts]: Finished accepts. word is rejected. [2018-07-23 13:37:44,164 INFO L471 AbstractCegarLoop]: Abstraction has 82 states and 82 transitions. [2018-07-23 13:37:44,164 INFO L472 AbstractCegarLoop]: Interpolant automaton has 80 states. [2018-07-23 13:37:44,164 INFO L276 IsEmpty]: Start isEmpty. Operand 82 states and 82 transitions. [2018-07-23 13:37:44,165 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 82 [2018-07-23 13:37:44,165 INFO L349 BasicCegarLoop]: Found error trace [2018-07-23 13:37:44,165 INFO L357 BasicCegarLoop]: trace histogram [78, 1, 1, 1] [2018-07-23 13:37:44,165 INFO L414 AbstractCegarLoop]: === Iteration 79 === [ULTIMATE.startErr0AssertViolationASSERT]=== [2018-07-23 13:37:44,165 INFO L82 PathProgramCache]: Analyzing trace with hash -20602015, now seen corresponding path program 78 times [2018-07-23 13:37:44,166 INFO L69 tionRefinementEngine]: Using refinement strategy FixedRefinementStrategy [2018-07-23 13:37:44,189 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-07-23 13:37:44,418 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 13:37:44,418 INFO L309 seRefinementStrategy]: Constructing automaton from 0 perfect and 1 imperfect interpolant sequences. [2018-07-23 13:37:44,418 INFO L324 seRefinementStrategy]: Number of different interpolants: perfect sequences [] imperfect sequences [80] total 80 [2018-07-23 13:37:44,418 INFO L142 lantAutomatonBuilder]: Constructing canonical interpolant automaton, with selfloop in false state [2018-07-23 13:37:44,419 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2018-07-23 13:37:44,419 INFO L185 omatonBuilderFactory]: Interpolants [17152#(<= ULTIMATE.start_main_~i~4 38), 17153#(<= ULTIMATE.start_main_~i~4 40), 17154#(<= ULTIMATE.start_main_~i~4 42), 17155#(<= ULTIMATE.start_main_~i~4 44), 17156#(<= ULTIMATE.start_main_~i~4 46), 17157#(<= ULTIMATE.start_main_~i~4 48), 17158#(<= ULTIMATE.start_main_~i~4 50), 17159#(<= ULTIMATE.start_main_~i~4 52), 17160#(<= ULTIMATE.start_main_~i~4 54), 17161#(<= ULTIMATE.start_main_~i~4 56), 17162#(<= ULTIMATE.start_main_~i~4 58), 17163#(<= ULTIMATE.start_main_~i~4 60), 17164#(<= ULTIMATE.start_main_~i~4 62), 17165#(<= ULTIMATE.start_main_~i~4 64), 17166#(<= ULTIMATE.start_main_~i~4 66), 17167#(<= ULTIMATE.start_main_~i~4 68), 17168#(<= ULTIMATE.start_main_~i~4 70), 17169#(<= ULTIMATE.start_main_~i~4 72), 17170#(<= ULTIMATE.start_main_~i~4 74), 17171#(<= ULTIMATE.start_main_~i~4 76), 17172#(<= ULTIMATE.start_main_~i~4 78), 17173#(<= ULTIMATE.start_main_~i~4 80), 17174#(<= ULTIMATE.start_main_~i~4 82), 17175#(<= ULTIMATE.start_main_~i~4 84), 17176#(<= ULTIMATE.start_main_~i~4 86), 17177#(<= ULTIMATE.start_main_~i~4 88), 17178#(<= ULTIMATE.start_main_~i~4 90), 17179#(<= ULTIMATE.start_main_~i~4 92), 17180#(<= ULTIMATE.start_main_~i~4 94), 17181#(<= ULTIMATE.start_main_~i~4 96), 17182#(<= ULTIMATE.start_main_~i~4 98), 17183#(<= ULTIMATE.start_main_~i~4 100), 17184#(<= ULTIMATE.start_main_~i~4 102), 17185#(<= ULTIMATE.start_main_~i~4 104), 17186#(<= ULTIMATE.start_main_~i~4 106), 17187#(<= ULTIMATE.start_main_~i~4 108), 17188#(<= ULTIMATE.start_main_~i~4 110), 17189#(<= ULTIMATE.start_main_~i~4 112), 17190#(<= ULTIMATE.start_main_~i~4 114), 17191#(<= ULTIMATE.start_main_~i~4 116), 17192#(<= ULTIMATE.start_main_~i~4 118), 17193#(<= ULTIMATE.start_main_~i~4 120), 17194#(<= ULTIMATE.start_main_~i~4 122), 17195#(<= ULTIMATE.start_main_~i~4 124), 17196#(<= ULTIMATE.start_main_~i~4 126), 17197#(<= ULTIMATE.start_main_~i~4 128), 17198#(<= ULTIMATE.start_main_~i~4 130), 17199#(<= ULTIMATE.start_main_~i~4 132), 17200#(<= ULTIMATE.start_main_~i~4 134), 17201#(<= ULTIMATE.start_main_~i~4 136), 17202#(<= ULTIMATE.start_main_~i~4 138), 17203#(<= ULTIMATE.start_main_~i~4 140), 17204#(<= ULTIMATE.start_main_~i~4 142), 17205#(<= ULTIMATE.start_main_~i~4 144), 17206#(<= ULTIMATE.start_main_~i~4 146), 17207#(<= ULTIMATE.start_main_~i~4 148), 17208#(<= ULTIMATE.start_main_~i~4 150), 17209#(<= ULTIMATE.start_main_~i~4 152), 17210#(<= ULTIMATE.start_main_~i~4 154), 17211#(<= ULTIMATE.start_main_~i~4 156), 17131#true, 17132#false, 17133#(<= ULTIMATE.start_main_~i~4 0), 17134#(<= ULTIMATE.start_main_~i~4 2), 17135#(<= ULTIMATE.start_main_~i~4 4), 17136#(<= ULTIMATE.start_main_~i~4 6), 17137#(<= ULTIMATE.start_main_~i~4 8), 17138#(<= ULTIMATE.start_main_~i~4 10), 17139#(<= ULTIMATE.start_main_~i~4 12), 17140#(<= ULTIMATE.start_main_~i~4 14), 17141#(<= ULTIMATE.start_main_~i~4 16), 17142#(<= ULTIMATE.start_main_~i~4 18), 17143#(<= ULTIMATE.start_main_~i~4 20), 17144#(<= ULTIMATE.start_main_~i~4 22), 17145#(<= ULTIMATE.start_main_~i~4 24), 17146#(<= ULTIMATE.start_main_~i~4 26), 17147#(<= ULTIMATE.start_main_~i~4 28), 17148#(<= ULTIMATE.start_main_~i~4 30), 17149#(<= ULTIMATE.start_main_~i~4 32), 17150#(<= ULTIMATE.start_main_~i~4 34), 17151#(<= ULTIMATE.start_main_~i~4 36)] [2018-07-23 13:37:44,420 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 13:37:44,420 INFO L450 AbstractCegarLoop]: Interpolant automaton has 81 states [2018-07-23 13:37:44,421 INFO L132 InterpolantAutomaton]: Constructing interpolant automaton starting with 81 interpolants. [2018-07-23 13:37:44,422 INFO L133 InterpolantAutomaton]: CoverageRelationStatistics Valid=3240, Invalid=3240, Unknown=0, NotChecked=0, Total=6480 [2018-07-23 13:37:44,422 INFO L87 Difference]: Start difference. First operand 82 states and 82 transitions. Second operand 81 states. [2018-07-23 13:37:44,478 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2018-07-23 13:37:44,478 INFO L93 Difference]: Finished difference Result 85 states and 85 transitions. [2018-07-23 13:37:44,479 INFO L142 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 81 states. [2018-07-23 13:37:44,479 INFO L78 Accepts]: Start accepts. Automaton has 81 states. Word has length 81 [2018-07-23 13:37:44,479 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2018-07-23 13:37:44,480 INFO L225 Difference]: With dead ends: 85 [2018-07-23 13:37:44,480 INFO L226 Difference]: Without dead ends: 83 [2018-07-23 13:37:44,481 INFO L575 BasicCegarLoop]: 0 DeclaredPredicates, 80 GetRequests, 1 SyntacticMatches, 0 SemanticMatches, 79 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 0 ImplicationChecksByTransitivity, 0.1s TimeCoverageRelationStatistics Valid=3240, Invalid=3240, Unknown=0, NotChecked=0, Total=6480 [2018-07-23 13:37:44,481 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 83 states. [2018-07-23 13:37:44,484 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 83 to 83. [2018-07-23 13:37:44,484 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 83 states. [2018-07-23 13:37:44,484 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 83 states to 83 states and 83 transitions. [2018-07-23 13:37:44,484 INFO L78 Accepts]: Start accepts. Automaton has 83 states and 83 transitions. Word has length 81 [2018-07-23 13:37:44,484 INFO L84 Accepts]: Finished accepts. word is rejected. [2018-07-23 13:37:44,485 INFO L471 AbstractCegarLoop]: Abstraction has 83 states and 83 transitions. [2018-07-23 13:37:44,485 INFO L472 AbstractCegarLoop]: Interpolant automaton has 81 states. [2018-07-23 13:37:44,485 INFO L276 IsEmpty]: Start isEmpty. Operand 83 states and 83 transitions. [2018-07-23 13:37:44,485 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 83 [2018-07-23 13:37:44,485 INFO L349 BasicCegarLoop]: Found error trace [2018-07-23 13:37:44,486 INFO L357 BasicCegarLoop]: trace histogram [79, 1, 1, 1] [2018-07-23 13:37:44,486 INFO L414 AbstractCegarLoop]: === Iteration 80 === [ULTIMATE.startErr0AssertViolationASSERT]=== [2018-07-23 13:37:44,486 INFO L82 PathProgramCache]: Analyzing trace with hash -638664440, now seen corresponding path program 79 times [2018-07-23 13:37:44,486 INFO L69 tionRefinementEngine]: Using refinement strategy FixedRefinementStrategy [2018-07-23 13:37:44,508 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-07-23 13:37:44,754 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 13:37:44,754 INFO L309 seRefinementStrategy]: Constructing automaton from 0 perfect and 1 imperfect interpolant sequences. [2018-07-23 13:37:44,754 INFO L324 seRefinementStrategy]: Number of different interpolants: perfect sequences [] imperfect sequences [81] total 81 [2018-07-23 13:37:44,755 INFO L142 lantAutomatonBuilder]: Constructing canonical interpolant automaton, with selfloop in false state [2018-07-23 13:37:44,755 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2018-07-23 13:37:44,756 INFO L185 omatonBuilderFactory]: Interpolants [17548#true, 17549#false, 17550#(<= ULTIMATE.start_main_~i~4 0), 17551#(<= ULTIMATE.start_main_~i~4 2), 17552#(<= ULTIMATE.start_main_~i~4 4), 17553#(<= ULTIMATE.start_main_~i~4 6), 17554#(<= ULTIMATE.start_main_~i~4 8), 17555#(<= ULTIMATE.start_main_~i~4 10), 17556#(<= ULTIMATE.start_main_~i~4 12), 17557#(<= ULTIMATE.start_main_~i~4 14), 17558#(<= ULTIMATE.start_main_~i~4 16), 17559#(<= ULTIMATE.start_main_~i~4 18), 17560#(<= ULTIMATE.start_main_~i~4 20), 17561#(<= ULTIMATE.start_main_~i~4 22), 17562#(<= ULTIMATE.start_main_~i~4 24), 17563#(<= ULTIMATE.start_main_~i~4 26), 17564#(<= ULTIMATE.start_main_~i~4 28), 17565#(<= ULTIMATE.start_main_~i~4 30), 17566#(<= ULTIMATE.start_main_~i~4 32), 17567#(<= ULTIMATE.start_main_~i~4 34), 17568#(<= ULTIMATE.start_main_~i~4 36), 17569#(<= ULTIMATE.start_main_~i~4 38), 17570#(<= ULTIMATE.start_main_~i~4 40), 17571#(<= ULTIMATE.start_main_~i~4 42), 17572#(<= ULTIMATE.start_main_~i~4 44), 17573#(<= ULTIMATE.start_main_~i~4 46), 17574#(<= ULTIMATE.start_main_~i~4 48), 17575#(<= ULTIMATE.start_main_~i~4 50), 17576#(<= ULTIMATE.start_main_~i~4 52), 17577#(<= ULTIMATE.start_main_~i~4 54), 17578#(<= ULTIMATE.start_main_~i~4 56), 17579#(<= ULTIMATE.start_main_~i~4 58), 17580#(<= ULTIMATE.start_main_~i~4 60), 17581#(<= ULTIMATE.start_main_~i~4 62), 17582#(<= ULTIMATE.start_main_~i~4 64), 17583#(<= ULTIMATE.start_main_~i~4 66), 17584#(<= ULTIMATE.start_main_~i~4 68), 17585#(<= ULTIMATE.start_main_~i~4 70), 17586#(<= ULTIMATE.start_main_~i~4 72), 17587#(<= ULTIMATE.start_main_~i~4 74), 17588#(<= ULTIMATE.start_main_~i~4 76), 17589#(<= ULTIMATE.start_main_~i~4 78), 17590#(<= ULTIMATE.start_main_~i~4 80), 17591#(<= ULTIMATE.start_main_~i~4 82), 17592#(<= ULTIMATE.start_main_~i~4 84), 17593#(<= ULTIMATE.start_main_~i~4 86), 17594#(<= ULTIMATE.start_main_~i~4 88), 17595#(<= ULTIMATE.start_main_~i~4 90), 17596#(<= ULTIMATE.start_main_~i~4 92), 17597#(<= ULTIMATE.start_main_~i~4 94), 17598#(<= ULTIMATE.start_main_~i~4 96), 17599#(<= ULTIMATE.start_main_~i~4 98), 17600#(<= ULTIMATE.start_main_~i~4 100), 17601#(<= ULTIMATE.start_main_~i~4 102), 17602#(<= ULTIMATE.start_main_~i~4 104), 17603#(<= ULTIMATE.start_main_~i~4 106), 17604#(<= ULTIMATE.start_main_~i~4 108), 17605#(<= ULTIMATE.start_main_~i~4 110), 17606#(<= ULTIMATE.start_main_~i~4 112), 17607#(<= ULTIMATE.start_main_~i~4 114), 17608#(<= ULTIMATE.start_main_~i~4 116), 17609#(<= ULTIMATE.start_main_~i~4 118), 17610#(<= ULTIMATE.start_main_~i~4 120), 17611#(<= ULTIMATE.start_main_~i~4 122), 17612#(<= ULTIMATE.start_main_~i~4 124), 17613#(<= ULTIMATE.start_main_~i~4 126), 17614#(<= ULTIMATE.start_main_~i~4 128), 17615#(<= ULTIMATE.start_main_~i~4 130), 17616#(<= ULTIMATE.start_main_~i~4 132), 17617#(<= ULTIMATE.start_main_~i~4 134), 17618#(<= ULTIMATE.start_main_~i~4 136), 17619#(<= ULTIMATE.start_main_~i~4 138), 17620#(<= ULTIMATE.start_main_~i~4 140), 17621#(<= ULTIMATE.start_main_~i~4 142), 17622#(<= ULTIMATE.start_main_~i~4 144), 17623#(<= ULTIMATE.start_main_~i~4 146), 17624#(<= ULTIMATE.start_main_~i~4 148), 17625#(<= ULTIMATE.start_main_~i~4 150), 17626#(<= ULTIMATE.start_main_~i~4 152), 17627#(<= ULTIMATE.start_main_~i~4 154), 17628#(<= ULTIMATE.start_main_~i~4 156), 17629#(<= ULTIMATE.start_main_~i~4 158)] [2018-07-23 13:37:44,756 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 13:37:44,756 INFO L450 AbstractCegarLoop]: Interpolant automaton has 82 states [2018-07-23 13:37:44,757 INFO L132 InterpolantAutomaton]: Constructing interpolant automaton starting with 82 interpolants. [2018-07-23 13:37:44,758 INFO L133 InterpolantAutomaton]: CoverageRelationStatistics Valid=3321, Invalid=3321, Unknown=0, NotChecked=0, Total=6642 [2018-07-23 13:37:44,759 INFO L87 Difference]: Start difference. First operand 83 states and 83 transitions. Second operand 82 states. [2018-07-23 13:37:44,849 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2018-07-23 13:37:44,850 INFO L93 Difference]: Finished difference Result 86 states and 86 transitions. [2018-07-23 13:37:44,850 INFO L142 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 82 states. [2018-07-23 13:37:44,850 INFO L78 Accepts]: Start accepts. Automaton has 82 states. Word has length 82 [2018-07-23 13:37:44,850 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2018-07-23 13:37:44,851 INFO L225 Difference]: With dead ends: 86 [2018-07-23 13:37:44,851 INFO L226 Difference]: Without dead ends: 84 [2018-07-23 13:37:44,852 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 13:37:44,853 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 84 states. [2018-07-23 13:37:44,856 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 84 to 84. [2018-07-23 13:37:44,856 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 84 states. [2018-07-23 13:37:44,856 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 84 states to 84 states and 84 transitions. [2018-07-23 13:37:44,856 INFO L78 Accepts]: Start accepts. Automaton has 84 states and 84 transitions. Word has length 82 [2018-07-23 13:37:44,857 INFO L84 Accepts]: Finished accepts. word is rejected. [2018-07-23 13:37:44,857 INFO L471 AbstractCegarLoop]: Abstraction has 84 states and 84 transitions. [2018-07-23 13:37:44,857 INFO L472 AbstractCegarLoop]: Interpolant automaton has 82 states. [2018-07-23 13:37:44,857 INFO L276 IsEmpty]: Start isEmpty. Operand 84 states and 84 transitions. [2018-07-23 13:37:44,858 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 84 [2018-07-23 13:37:44,858 INFO L349 BasicCegarLoop]: Found error trace [2018-07-23 13:37:44,858 INFO L357 BasicCegarLoop]: trace histogram [80, 1, 1, 1] [2018-07-23 13:37:44,858 INFO L414 AbstractCegarLoop]: === Iteration 81 === [ULTIMATE.startErr0AssertViolationASSERT]=== [2018-07-23 13:37:44,859 INFO L82 PathProgramCache]: Analyzing trace with hash 1676236865, now seen corresponding path program 80 times [2018-07-23 13:37:44,859 INFO L69 tionRefinementEngine]: Using refinement strategy FixedRefinementStrategy [2018-07-23 13:37:44,893 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-07-23 13:37:45,254 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 13:37:45,255 INFO L309 seRefinementStrategy]: Constructing automaton from 0 perfect and 1 imperfect interpolant sequences. [2018-07-23 13:37:45,255 INFO L324 seRefinementStrategy]: Number of different interpolants: perfect sequences [] imperfect sequences [82] total 82 [2018-07-23 13:37:45,255 INFO L142 lantAutomatonBuilder]: Constructing canonical interpolant automaton, with selfloop in false state [2018-07-23 13:37:45,255 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 13:37:45,256 INFO L185 omatonBuilderFactory]: Interpolants [18048#(<= ULTIMATE.start_main_~i~4 152), 18049#(<= ULTIMATE.start_main_~i~4 154), 18050#(<= ULTIMATE.start_main_~i~4 156), 18051#(<= ULTIMATE.start_main_~i~4 158), 18052#(<= ULTIMATE.start_main_~i~4 160), 17970#true, 17971#false, 17972#(<= ULTIMATE.start_main_~i~4 0), 17973#(<= ULTIMATE.start_main_~i~4 2), 17974#(<= ULTIMATE.start_main_~i~4 4), 17975#(<= ULTIMATE.start_main_~i~4 6), 17976#(<= ULTIMATE.start_main_~i~4 8), 17977#(<= ULTIMATE.start_main_~i~4 10), 17978#(<= ULTIMATE.start_main_~i~4 12), 17979#(<= ULTIMATE.start_main_~i~4 14), 17980#(<= ULTIMATE.start_main_~i~4 16), 17981#(<= ULTIMATE.start_main_~i~4 18), 17982#(<= ULTIMATE.start_main_~i~4 20), 17983#(<= ULTIMATE.start_main_~i~4 22), 17984#(<= ULTIMATE.start_main_~i~4 24), 17985#(<= ULTIMATE.start_main_~i~4 26), 17986#(<= ULTIMATE.start_main_~i~4 28), 17987#(<= ULTIMATE.start_main_~i~4 30), 17988#(<= ULTIMATE.start_main_~i~4 32), 17989#(<= ULTIMATE.start_main_~i~4 34), 17990#(<= ULTIMATE.start_main_~i~4 36), 17991#(<= ULTIMATE.start_main_~i~4 38), 17992#(<= ULTIMATE.start_main_~i~4 40), 17993#(<= ULTIMATE.start_main_~i~4 42), 17994#(<= ULTIMATE.start_main_~i~4 44), 17995#(<= ULTIMATE.start_main_~i~4 46), 17996#(<= ULTIMATE.start_main_~i~4 48), 17997#(<= ULTIMATE.start_main_~i~4 50), 17998#(<= ULTIMATE.start_main_~i~4 52), 17999#(<= ULTIMATE.start_main_~i~4 54), 18000#(<= ULTIMATE.start_main_~i~4 56), 18001#(<= ULTIMATE.start_main_~i~4 58), 18002#(<= ULTIMATE.start_main_~i~4 60), 18003#(<= ULTIMATE.start_main_~i~4 62), 18004#(<= ULTIMATE.start_main_~i~4 64), 18005#(<= ULTIMATE.start_main_~i~4 66), 18006#(<= ULTIMATE.start_main_~i~4 68), 18007#(<= ULTIMATE.start_main_~i~4 70), 18008#(<= ULTIMATE.start_main_~i~4 72), 18009#(<= ULTIMATE.start_main_~i~4 74), 18010#(<= ULTIMATE.start_main_~i~4 76), 18011#(<= ULTIMATE.start_main_~i~4 78), 18012#(<= ULTIMATE.start_main_~i~4 80), 18013#(<= ULTIMATE.start_main_~i~4 82), 18014#(<= ULTIMATE.start_main_~i~4 84), 18015#(<= ULTIMATE.start_main_~i~4 86), 18016#(<= ULTIMATE.start_main_~i~4 88), 18017#(<= ULTIMATE.start_main_~i~4 90), 18018#(<= ULTIMATE.start_main_~i~4 92), 18019#(<= ULTIMATE.start_main_~i~4 94), 18020#(<= ULTIMATE.start_main_~i~4 96), 18021#(<= ULTIMATE.start_main_~i~4 98), 18022#(<= ULTIMATE.start_main_~i~4 100), 18023#(<= ULTIMATE.start_main_~i~4 102), 18024#(<= ULTIMATE.start_main_~i~4 104), 18025#(<= ULTIMATE.start_main_~i~4 106), 18026#(<= ULTIMATE.start_main_~i~4 108), 18027#(<= ULTIMATE.start_main_~i~4 110), 18028#(<= ULTIMATE.start_main_~i~4 112), 18029#(<= ULTIMATE.start_main_~i~4 114), 18030#(<= ULTIMATE.start_main_~i~4 116), 18031#(<= ULTIMATE.start_main_~i~4 118), 18032#(<= ULTIMATE.start_main_~i~4 120), 18033#(<= ULTIMATE.start_main_~i~4 122), 18034#(<= ULTIMATE.start_main_~i~4 124), 18035#(<= ULTIMATE.start_main_~i~4 126), 18036#(<= ULTIMATE.start_main_~i~4 128), 18037#(<= ULTIMATE.start_main_~i~4 130), 18038#(<= ULTIMATE.start_main_~i~4 132), 18039#(<= ULTIMATE.start_main_~i~4 134), 18040#(<= ULTIMATE.start_main_~i~4 136), 18041#(<= ULTIMATE.start_main_~i~4 138), 18042#(<= ULTIMATE.start_main_~i~4 140), 18043#(<= ULTIMATE.start_main_~i~4 142), 18044#(<= ULTIMATE.start_main_~i~4 144), 18045#(<= ULTIMATE.start_main_~i~4 146), 18046#(<= ULTIMATE.start_main_~i~4 148), 18047#(<= ULTIMATE.start_main_~i~4 150)] [2018-07-23 13:37:45,256 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 13:37:45,256 INFO L450 AbstractCegarLoop]: Interpolant automaton has 83 states [2018-07-23 13:37:45,257 INFO L132 InterpolantAutomaton]: Constructing interpolant automaton starting with 83 interpolants. [2018-07-23 13:37:45,257 INFO L133 InterpolantAutomaton]: CoverageRelationStatistics Valid=3403, Invalid=3403, Unknown=0, NotChecked=0, Total=6806 [2018-07-23 13:37:45,258 INFO L87 Difference]: Start difference. First operand 84 states and 84 transitions. Second operand 83 states. [2018-07-23 13:37:45,319 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2018-07-23 13:37:45,319 INFO L93 Difference]: Finished difference Result 87 states and 87 transitions. [2018-07-23 13:37:45,319 INFO L142 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 83 states. [2018-07-23 13:37:45,320 INFO L78 Accepts]: Start accepts. Automaton has 83 states. Word has length 83 [2018-07-23 13:37:45,320 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2018-07-23 13:37:45,321 INFO L225 Difference]: With dead ends: 87 [2018-07-23 13:37:45,321 INFO L226 Difference]: Without dead ends: 85 [2018-07-23 13:37:45,322 INFO L575 BasicCegarLoop]: 0 DeclaredPredicates, 82 GetRequests, 1 SyntacticMatches, 0 SemanticMatches, 81 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 0 ImplicationChecksByTransitivity, 0.3s TimeCoverageRelationStatistics Valid=3403, Invalid=3403, Unknown=0, NotChecked=0, Total=6806 [2018-07-23 13:37:45,322 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 85 states. [2018-07-23 13:37:45,324 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 85 to 85. [2018-07-23 13:37:45,325 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 85 states. [2018-07-23 13:37:45,325 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 85 states to 85 states and 85 transitions. [2018-07-23 13:37:45,325 INFO L78 Accepts]: Start accepts. Automaton has 85 states and 85 transitions. Word has length 83 [2018-07-23 13:37:45,325 INFO L84 Accepts]: Finished accepts. word is rejected. [2018-07-23 13:37:45,325 INFO L471 AbstractCegarLoop]: Abstraction has 85 states and 85 transitions. [2018-07-23 13:37:45,326 INFO L472 AbstractCegarLoop]: Interpolant automaton has 83 states. [2018-07-23 13:37:45,326 INFO L276 IsEmpty]: Start isEmpty. Operand 85 states and 85 transitions. [2018-07-23 13:37:45,326 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 85 [2018-07-23 13:37:45,326 INFO L349 BasicCegarLoop]: Found error trace [2018-07-23 13:37:45,326 INFO L357 BasicCegarLoop]: trace histogram [81, 1, 1, 1] [2018-07-23 13:37:45,327 INFO L414 AbstractCegarLoop]: === Iteration 82 === [ULTIMATE.startErr0AssertViolationASSERT]=== [2018-07-23 13:37:45,327 INFO L82 PathProgramCache]: Analyzing trace with hash 423733288, now seen corresponding path program 81 times [2018-07-23 13:37:45,327 INFO L69 tionRefinementEngine]: Using refinement strategy FixedRefinementStrategy [2018-07-23 13:37:45,350 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-07-23 13:37:45,580 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 13:37:45,581 INFO L309 seRefinementStrategy]: Constructing automaton from 0 perfect and 1 imperfect interpolant sequences. [2018-07-23 13:37:45,581 INFO L324 seRefinementStrategy]: Number of different interpolants: perfect sequences [] imperfect sequences [83] total 83 [2018-07-23 13:37:45,581 INFO L142 lantAutomatonBuilder]: Constructing canonical interpolant automaton, with selfloop in false state [2018-07-23 13:37:45,581 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2018-07-23 13:37:45,582 INFO L185 omatonBuilderFactory]: Interpolants [18432#(<= ULTIMATE.start_main_~i~4 66), 18433#(<= ULTIMATE.start_main_~i~4 68), 18434#(<= ULTIMATE.start_main_~i~4 70), 18435#(<= ULTIMATE.start_main_~i~4 72), 18436#(<= ULTIMATE.start_main_~i~4 74), 18437#(<= ULTIMATE.start_main_~i~4 76), 18438#(<= ULTIMATE.start_main_~i~4 78), 18439#(<= ULTIMATE.start_main_~i~4 80), 18440#(<= ULTIMATE.start_main_~i~4 82), 18441#(<= ULTIMATE.start_main_~i~4 84), 18442#(<= ULTIMATE.start_main_~i~4 86), 18443#(<= ULTIMATE.start_main_~i~4 88), 18444#(<= ULTIMATE.start_main_~i~4 90), 18445#(<= ULTIMATE.start_main_~i~4 92), 18446#(<= ULTIMATE.start_main_~i~4 94), 18447#(<= ULTIMATE.start_main_~i~4 96), 18448#(<= ULTIMATE.start_main_~i~4 98), 18449#(<= ULTIMATE.start_main_~i~4 100), 18450#(<= ULTIMATE.start_main_~i~4 102), 18451#(<= ULTIMATE.start_main_~i~4 104), 18452#(<= ULTIMATE.start_main_~i~4 106), 18453#(<= ULTIMATE.start_main_~i~4 108), 18454#(<= ULTIMATE.start_main_~i~4 110), 18455#(<= ULTIMATE.start_main_~i~4 112), 18456#(<= ULTIMATE.start_main_~i~4 114), 18457#(<= ULTIMATE.start_main_~i~4 116), 18458#(<= ULTIMATE.start_main_~i~4 118), 18459#(<= ULTIMATE.start_main_~i~4 120), 18460#(<= ULTIMATE.start_main_~i~4 122), 18461#(<= ULTIMATE.start_main_~i~4 124), 18462#(<= ULTIMATE.start_main_~i~4 126), 18463#(<= ULTIMATE.start_main_~i~4 128), 18464#(<= ULTIMATE.start_main_~i~4 130), 18465#(<= ULTIMATE.start_main_~i~4 132), 18466#(<= ULTIMATE.start_main_~i~4 134), 18467#(<= ULTIMATE.start_main_~i~4 136), 18468#(<= ULTIMATE.start_main_~i~4 138), 18469#(<= ULTIMATE.start_main_~i~4 140), 18470#(<= ULTIMATE.start_main_~i~4 142), 18471#(<= ULTIMATE.start_main_~i~4 144), 18472#(<= ULTIMATE.start_main_~i~4 146), 18473#(<= ULTIMATE.start_main_~i~4 148), 18474#(<= ULTIMATE.start_main_~i~4 150), 18475#(<= ULTIMATE.start_main_~i~4 152), 18476#(<= ULTIMATE.start_main_~i~4 154), 18477#(<= ULTIMATE.start_main_~i~4 156), 18478#(<= ULTIMATE.start_main_~i~4 158), 18479#(<= ULTIMATE.start_main_~i~4 160), 18480#(<= ULTIMATE.start_main_~i~4 162), 18397#true, 18398#false, 18399#(<= ULTIMATE.start_main_~i~4 0), 18400#(<= ULTIMATE.start_main_~i~4 2), 18401#(<= ULTIMATE.start_main_~i~4 4), 18402#(<= ULTIMATE.start_main_~i~4 6), 18403#(<= ULTIMATE.start_main_~i~4 8), 18404#(<= ULTIMATE.start_main_~i~4 10), 18405#(<= ULTIMATE.start_main_~i~4 12), 18406#(<= ULTIMATE.start_main_~i~4 14), 18407#(<= ULTIMATE.start_main_~i~4 16), 18408#(<= ULTIMATE.start_main_~i~4 18), 18409#(<= ULTIMATE.start_main_~i~4 20), 18410#(<= ULTIMATE.start_main_~i~4 22), 18411#(<= ULTIMATE.start_main_~i~4 24), 18412#(<= ULTIMATE.start_main_~i~4 26), 18413#(<= ULTIMATE.start_main_~i~4 28), 18414#(<= ULTIMATE.start_main_~i~4 30), 18415#(<= ULTIMATE.start_main_~i~4 32), 18416#(<= ULTIMATE.start_main_~i~4 34), 18417#(<= ULTIMATE.start_main_~i~4 36), 18418#(<= ULTIMATE.start_main_~i~4 38), 18419#(<= ULTIMATE.start_main_~i~4 40), 18420#(<= ULTIMATE.start_main_~i~4 42), 18421#(<= ULTIMATE.start_main_~i~4 44), 18422#(<= ULTIMATE.start_main_~i~4 46), 18423#(<= ULTIMATE.start_main_~i~4 48), 18424#(<= ULTIMATE.start_main_~i~4 50), 18425#(<= ULTIMATE.start_main_~i~4 52), 18426#(<= ULTIMATE.start_main_~i~4 54), 18427#(<= ULTIMATE.start_main_~i~4 56), 18428#(<= ULTIMATE.start_main_~i~4 58), 18429#(<= ULTIMATE.start_main_~i~4 60), 18430#(<= ULTIMATE.start_main_~i~4 62), 18431#(<= ULTIMATE.start_main_~i~4 64)] [2018-07-23 13:37:45,583 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 13:37:45,584 INFO L450 AbstractCegarLoop]: Interpolant automaton has 84 states [2018-07-23 13:37:45,585 INFO L132 InterpolantAutomaton]: Constructing interpolant automaton starting with 84 interpolants. [2018-07-23 13:37:45,585 INFO L133 InterpolantAutomaton]: CoverageRelationStatistics Valid=3486, Invalid=3486, Unknown=0, NotChecked=0, Total=6972 [2018-07-23 13:37:45,585 INFO L87 Difference]: Start difference. First operand 85 states and 85 transitions. Second operand 84 states. [2018-07-23 13:37:45,634 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2018-07-23 13:37:45,635 INFO L93 Difference]: Finished difference Result 88 states and 88 transitions. [2018-07-23 13:37:45,635 INFO L142 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 84 states. [2018-07-23 13:37:45,635 INFO L78 Accepts]: Start accepts. Automaton has 84 states. Word has length 84 [2018-07-23 13:37:45,635 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2018-07-23 13:37:45,636 INFO L225 Difference]: With dead ends: 88 [2018-07-23 13:37:45,636 INFO L226 Difference]: Without dead ends: 86 [2018-07-23 13:37:45,636 INFO L575 BasicCegarLoop]: 0 DeclaredPredicates, 83 GetRequests, 1 SyntacticMatches, 0 SemanticMatches, 82 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 0 ImplicationChecksByTransitivity, 0.2s TimeCoverageRelationStatistics Valid=3486, Invalid=3486, Unknown=0, NotChecked=0, Total=6972 [2018-07-23 13:37:45,637 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 86 states. [2018-07-23 13:37:45,639 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 86 to 86. [2018-07-23 13:37:45,639 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 86 states. [2018-07-23 13:37:45,639 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 86 states to 86 states and 86 transitions. [2018-07-23 13:37:45,639 INFO L78 Accepts]: Start accepts. Automaton has 86 states and 86 transitions. Word has length 84 [2018-07-23 13:37:45,640 INFO L84 Accepts]: Finished accepts. word is rejected. [2018-07-23 13:37:45,640 INFO L471 AbstractCegarLoop]: Abstraction has 86 states and 86 transitions. [2018-07-23 13:37:45,640 INFO L472 AbstractCegarLoop]: Interpolant automaton has 84 states. [2018-07-23 13:37:45,640 INFO L276 IsEmpty]: Start isEmpty. Operand 86 states and 86 transitions. [2018-07-23 13:37:45,641 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 86 [2018-07-23 13:37:45,641 INFO L349 BasicCegarLoop]: Found error trace [2018-07-23 13:37:45,641 INFO L357 BasicCegarLoop]: trace histogram [82, 1, 1, 1] [2018-07-23 13:37:45,641 INFO L414 AbstractCegarLoop]: === Iteration 83 === [ULTIMATE.startErr0AssertViolationASSERT]=== [2018-07-23 13:37:45,641 INFO L82 PathProgramCache]: Analyzing trace with hash 250828065, now seen corresponding path program 82 times [2018-07-23 13:37:45,641 INFO L69 tionRefinementEngine]: Using refinement strategy FixedRefinementStrategy [2018-07-23 13:37:45,664 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-07-23 13:37:45,884 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 13:37:45,884 INFO L309 seRefinementStrategy]: Constructing automaton from 0 perfect and 1 imperfect interpolant sequences. [2018-07-23 13:37:45,884 INFO L324 seRefinementStrategy]: Number of different interpolants: perfect sequences [] imperfect sequences [84] total 84 [2018-07-23 13:37:45,884 INFO L142 lantAutomatonBuilder]: Constructing canonical interpolant automaton, with selfloop in false state [2018-07-23 13:37:45,885 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2018-07-23 13:37:45,885 INFO L185 omatonBuilderFactory]: Interpolants [18829#true, 18830#false, 18831#(<= ULTIMATE.start_main_~i~4 0), 18832#(<= ULTIMATE.start_main_~i~4 2), 18833#(<= ULTIMATE.start_main_~i~4 4), 18834#(<= ULTIMATE.start_main_~i~4 6), 18835#(<= ULTIMATE.start_main_~i~4 8), 18836#(<= ULTIMATE.start_main_~i~4 10), 18837#(<= ULTIMATE.start_main_~i~4 12), 18838#(<= ULTIMATE.start_main_~i~4 14), 18839#(<= ULTIMATE.start_main_~i~4 16), 18840#(<= ULTIMATE.start_main_~i~4 18), 18841#(<= ULTIMATE.start_main_~i~4 20), 18842#(<= ULTIMATE.start_main_~i~4 22), 18843#(<= ULTIMATE.start_main_~i~4 24), 18844#(<= ULTIMATE.start_main_~i~4 26), 18845#(<= ULTIMATE.start_main_~i~4 28), 18846#(<= ULTIMATE.start_main_~i~4 30), 18847#(<= ULTIMATE.start_main_~i~4 32), 18848#(<= ULTIMATE.start_main_~i~4 34), 18849#(<= ULTIMATE.start_main_~i~4 36), 18850#(<= ULTIMATE.start_main_~i~4 38), 18851#(<= ULTIMATE.start_main_~i~4 40), 18852#(<= ULTIMATE.start_main_~i~4 42), 18853#(<= ULTIMATE.start_main_~i~4 44), 18854#(<= ULTIMATE.start_main_~i~4 46), 18855#(<= ULTIMATE.start_main_~i~4 48), 18856#(<= ULTIMATE.start_main_~i~4 50), 18857#(<= ULTIMATE.start_main_~i~4 52), 18858#(<= ULTIMATE.start_main_~i~4 54), 18859#(<= ULTIMATE.start_main_~i~4 56), 18860#(<= ULTIMATE.start_main_~i~4 58), 18861#(<= ULTIMATE.start_main_~i~4 60), 18862#(<= ULTIMATE.start_main_~i~4 62), 18863#(<= ULTIMATE.start_main_~i~4 64), 18864#(<= ULTIMATE.start_main_~i~4 66), 18865#(<= ULTIMATE.start_main_~i~4 68), 18866#(<= ULTIMATE.start_main_~i~4 70), 18867#(<= ULTIMATE.start_main_~i~4 72), 18868#(<= ULTIMATE.start_main_~i~4 74), 18869#(<= ULTIMATE.start_main_~i~4 76), 18870#(<= ULTIMATE.start_main_~i~4 78), 18871#(<= ULTIMATE.start_main_~i~4 80), 18872#(<= ULTIMATE.start_main_~i~4 82), 18873#(<= ULTIMATE.start_main_~i~4 84), 18874#(<= ULTIMATE.start_main_~i~4 86), 18875#(<= ULTIMATE.start_main_~i~4 88), 18876#(<= ULTIMATE.start_main_~i~4 90), 18877#(<= ULTIMATE.start_main_~i~4 92), 18878#(<= ULTIMATE.start_main_~i~4 94), 18879#(<= ULTIMATE.start_main_~i~4 96), 18880#(<= ULTIMATE.start_main_~i~4 98), 18881#(<= ULTIMATE.start_main_~i~4 100), 18882#(<= ULTIMATE.start_main_~i~4 102), 18883#(<= ULTIMATE.start_main_~i~4 104), 18884#(<= ULTIMATE.start_main_~i~4 106), 18885#(<= ULTIMATE.start_main_~i~4 108), 18886#(<= ULTIMATE.start_main_~i~4 110), 18887#(<= ULTIMATE.start_main_~i~4 112), 18888#(<= ULTIMATE.start_main_~i~4 114), 18889#(<= ULTIMATE.start_main_~i~4 116), 18890#(<= ULTIMATE.start_main_~i~4 118), 18891#(<= ULTIMATE.start_main_~i~4 120), 18892#(<= ULTIMATE.start_main_~i~4 122), 18893#(<= ULTIMATE.start_main_~i~4 124), 18894#(<= ULTIMATE.start_main_~i~4 126), 18895#(<= ULTIMATE.start_main_~i~4 128), 18896#(<= ULTIMATE.start_main_~i~4 130), 18897#(<= ULTIMATE.start_main_~i~4 132), 18898#(<= ULTIMATE.start_main_~i~4 134), 18899#(<= ULTIMATE.start_main_~i~4 136), 18900#(<= ULTIMATE.start_main_~i~4 138), 18901#(<= ULTIMATE.start_main_~i~4 140), 18902#(<= ULTIMATE.start_main_~i~4 142), 18903#(<= ULTIMATE.start_main_~i~4 144), 18904#(<= ULTIMATE.start_main_~i~4 146), 18905#(<= ULTIMATE.start_main_~i~4 148), 18906#(<= ULTIMATE.start_main_~i~4 150), 18907#(<= ULTIMATE.start_main_~i~4 152), 18908#(<= ULTIMATE.start_main_~i~4 154), 18909#(<= ULTIMATE.start_main_~i~4 156), 18910#(<= ULTIMATE.start_main_~i~4 158), 18911#(<= ULTIMATE.start_main_~i~4 160), 18912#(<= ULTIMATE.start_main_~i~4 162), 18913#(<= ULTIMATE.start_main_~i~4 164)] [2018-07-23 13:37:45,886 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 13:37:45,886 INFO L450 AbstractCegarLoop]: Interpolant automaton has 85 states [2018-07-23 13:37:45,887 INFO L132 InterpolantAutomaton]: Constructing interpolant automaton starting with 85 interpolants. [2018-07-23 13:37:45,887 INFO L133 InterpolantAutomaton]: CoverageRelationStatistics Valid=3570, Invalid=3570, Unknown=0, NotChecked=0, Total=7140 [2018-07-23 13:37:45,887 INFO L87 Difference]: Start difference. First operand 86 states and 86 transitions. Second operand 85 states. [2018-07-23 13:37:45,972 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2018-07-23 13:37:45,973 INFO L93 Difference]: Finished difference Result 89 states and 89 transitions. [2018-07-23 13:37:45,973 INFO L142 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 85 states. [2018-07-23 13:37:45,973 INFO L78 Accepts]: Start accepts. Automaton has 85 states. Word has length 85 [2018-07-23 13:37:45,973 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2018-07-23 13:37:45,974 INFO L225 Difference]: With dead ends: 89 [2018-07-23 13:37:45,974 INFO L226 Difference]: Without dead ends: 87 [2018-07-23 13:37:45,974 INFO L575 BasicCegarLoop]: 0 DeclaredPredicates, 84 GetRequests, 1 SyntacticMatches, 0 SemanticMatches, 83 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 0 ImplicationChecksByTransitivity, 0.1s TimeCoverageRelationStatistics Valid=3570, Invalid=3570, Unknown=0, NotChecked=0, Total=7140 [2018-07-23 13:37:45,975 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 87 states. [2018-07-23 13:37:45,977 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 87 to 87. [2018-07-23 13:37:45,977 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 87 states. [2018-07-23 13:37:45,977 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 87 states to 87 states and 87 transitions. [2018-07-23 13:37:45,977 INFO L78 Accepts]: Start accepts. Automaton has 87 states and 87 transitions. Word has length 85 [2018-07-23 13:37:45,978 INFO L84 Accepts]: Finished accepts. word is rejected. [2018-07-23 13:37:45,978 INFO L471 AbstractCegarLoop]: Abstraction has 87 states and 87 transitions. [2018-07-23 13:37:45,978 INFO L472 AbstractCegarLoop]: Interpolant automaton has 85 states. [2018-07-23 13:37:45,978 INFO L276 IsEmpty]: Start isEmpty. Operand 87 states and 87 transitions. [2018-07-23 13:37:45,979 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 87 [2018-07-23 13:37:45,979 INFO L349 BasicCegarLoop]: Found error trace [2018-07-23 13:37:45,979 INFO L357 BasicCegarLoop]: trace histogram [83, 1, 1, 1] [2018-07-23 13:37:45,979 INFO L414 AbstractCegarLoop]: === Iteration 84 === [ULTIMATE.startErr0AssertViolationASSERT]=== [2018-07-23 13:37:45,979 INFO L82 PathProgramCache]: Analyzing trace with hash -814266552, now seen corresponding path program 83 times [2018-07-23 13:37:45,979 INFO L69 tionRefinementEngine]: Using refinement strategy FixedRefinementStrategy [2018-07-23 13:37:46,003 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-07-23 13:37:46,232 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 13:37:46,233 INFO L309 seRefinementStrategy]: Constructing automaton from 0 perfect and 1 imperfect interpolant sequences. [2018-07-23 13:37:46,233 INFO L324 seRefinementStrategy]: Number of different interpolants: perfect sequences [] imperfect sequences [85] total 85 [2018-07-23 13:37:46,233 INFO L142 lantAutomatonBuilder]: Constructing canonical interpolant automaton, with selfloop in false state [2018-07-23 13:37:46,233 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2018-07-23 13:37:46,233 INFO L185 omatonBuilderFactory]: Interpolants [19328#(<= ULTIMATE.start_main_~i~4 120), 19329#(<= ULTIMATE.start_main_~i~4 122), 19330#(<= ULTIMATE.start_main_~i~4 124), 19331#(<= ULTIMATE.start_main_~i~4 126), 19332#(<= ULTIMATE.start_main_~i~4 128), 19333#(<= ULTIMATE.start_main_~i~4 130), 19334#(<= ULTIMATE.start_main_~i~4 132), 19335#(<= ULTIMATE.start_main_~i~4 134), 19336#(<= ULTIMATE.start_main_~i~4 136), 19337#(<= ULTIMATE.start_main_~i~4 138), 19338#(<= ULTIMATE.start_main_~i~4 140), 19339#(<= ULTIMATE.start_main_~i~4 142), 19340#(<= ULTIMATE.start_main_~i~4 144), 19341#(<= ULTIMATE.start_main_~i~4 146), 19342#(<= ULTIMATE.start_main_~i~4 148), 19343#(<= ULTIMATE.start_main_~i~4 150), 19344#(<= ULTIMATE.start_main_~i~4 152), 19345#(<= ULTIMATE.start_main_~i~4 154), 19346#(<= ULTIMATE.start_main_~i~4 156), 19347#(<= ULTIMATE.start_main_~i~4 158), 19348#(<= ULTIMATE.start_main_~i~4 160), 19349#(<= ULTIMATE.start_main_~i~4 162), 19350#(<= ULTIMATE.start_main_~i~4 164), 19351#(<= ULTIMATE.start_main_~i~4 166), 19266#true, 19267#false, 19268#(<= ULTIMATE.start_main_~i~4 0), 19269#(<= ULTIMATE.start_main_~i~4 2), 19270#(<= ULTIMATE.start_main_~i~4 4), 19271#(<= ULTIMATE.start_main_~i~4 6), 19272#(<= ULTIMATE.start_main_~i~4 8), 19273#(<= ULTIMATE.start_main_~i~4 10), 19274#(<= ULTIMATE.start_main_~i~4 12), 19275#(<= ULTIMATE.start_main_~i~4 14), 19276#(<= ULTIMATE.start_main_~i~4 16), 19277#(<= ULTIMATE.start_main_~i~4 18), 19278#(<= ULTIMATE.start_main_~i~4 20), 19279#(<= ULTIMATE.start_main_~i~4 22), 19280#(<= ULTIMATE.start_main_~i~4 24), 19281#(<= ULTIMATE.start_main_~i~4 26), 19282#(<= ULTIMATE.start_main_~i~4 28), 19283#(<= ULTIMATE.start_main_~i~4 30), 19284#(<= ULTIMATE.start_main_~i~4 32), 19285#(<= ULTIMATE.start_main_~i~4 34), 19286#(<= ULTIMATE.start_main_~i~4 36), 19287#(<= ULTIMATE.start_main_~i~4 38), 19288#(<= ULTIMATE.start_main_~i~4 40), 19289#(<= ULTIMATE.start_main_~i~4 42), 19290#(<= ULTIMATE.start_main_~i~4 44), 19291#(<= ULTIMATE.start_main_~i~4 46), 19292#(<= ULTIMATE.start_main_~i~4 48), 19293#(<= ULTIMATE.start_main_~i~4 50), 19294#(<= ULTIMATE.start_main_~i~4 52), 19295#(<= ULTIMATE.start_main_~i~4 54), 19296#(<= ULTIMATE.start_main_~i~4 56), 19297#(<= ULTIMATE.start_main_~i~4 58), 19298#(<= ULTIMATE.start_main_~i~4 60), 19299#(<= ULTIMATE.start_main_~i~4 62), 19300#(<= ULTIMATE.start_main_~i~4 64), 19301#(<= ULTIMATE.start_main_~i~4 66), 19302#(<= ULTIMATE.start_main_~i~4 68), 19303#(<= ULTIMATE.start_main_~i~4 70), 19304#(<= ULTIMATE.start_main_~i~4 72), 19305#(<= ULTIMATE.start_main_~i~4 74), 19306#(<= ULTIMATE.start_main_~i~4 76), 19307#(<= ULTIMATE.start_main_~i~4 78), 19308#(<= ULTIMATE.start_main_~i~4 80), 19309#(<= ULTIMATE.start_main_~i~4 82), 19310#(<= ULTIMATE.start_main_~i~4 84), 19311#(<= ULTIMATE.start_main_~i~4 86), 19312#(<= ULTIMATE.start_main_~i~4 88), 19313#(<= ULTIMATE.start_main_~i~4 90), 19314#(<= ULTIMATE.start_main_~i~4 92), 19315#(<= ULTIMATE.start_main_~i~4 94), 19316#(<= ULTIMATE.start_main_~i~4 96), 19317#(<= ULTIMATE.start_main_~i~4 98), 19318#(<= ULTIMATE.start_main_~i~4 100), 19319#(<= ULTIMATE.start_main_~i~4 102), 19320#(<= ULTIMATE.start_main_~i~4 104), 19321#(<= ULTIMATE.start_main_~i~4 106), 19322#(<= ULTIMATE.start_main_~i~4 108), 19323#(<= ULTIMATE.start_main_~i~4 110), 19324#(<= ULTIMATE.start_main_~i~4 112), 19325#(<= ULTIMATE.start_main_~i~4 114), 19326#(<= ULTIMATE.start_main_~i~4 116), 19327#(<= ULTIMATE.start_main_~i~4 118)] [2018-07-23 13:37:46,234 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 13:37:46,235 INFO L450 AbstractCegarLoop]: Interpolant automaton has 86 states [2018-07-23 13:37:46,235 INFO L132 InterpolantAutomaton]: Constructing interpolant automaton starting with 86 interpolants. [2018-07-23 13:37:46,236 INFO L133 InterpolantAutomaton]: CoverageRelationStatistics Valid=3655, Invalid=3655, Unknown=0, NotChecked=0, Total=7310 [2018-07-23 13:37:46,236 INFO L87 Difference]: Start difference. First operand 87 states and 87 transitions. Second operand 86 states. [2018-07-23 13:37:46,287 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2018-07-23 13:37:46,288 INFO L93 Difference]: Finished difference Result 90 states and 90 transitions. [2018-07-23 13:37:46,288 INFO L142 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 86 states. [2018-07-23 13:37:46,288 INFO L78 Accepts]: Start accepts. Automaton has 86 states. Word has length 86 [2018-07-23 13:37:46,288 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2018-07-23 13:37:46,289 INFO L225 Difference]: With dead ends: 90 [2018-07-23 13:37:46,289 INFO L226 Difference]: Without dead ends: 88 [2018-07-23 13:37:46,290 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 13:37:46,290 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 88 states. [2018-07-23 13:37:46,292 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 88 to 88. [2018-07-23 13:37:46,292 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 88 states. [2018-07-23 13:37:46,292 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 88 states to 88 states and 88 transitions. [2018-07-23 13:37:46,293 INFO L78 Accepts]: Start accepts. Automaton has 88 states and 88 transitions. Word has length 86 [2018-07-23 13:37:46,293 INFO L84 Accepts]: Finished accepts. word is rejected. [2018-07-23 13:37:46,293 INFO L471 AbstractCegarLoop]: Abstraction has 88 states and 88 transitions. [2018-07-23 13:37:46,293 INFO L472 AbstractCegarLoop]: Interpolant automaton has 86 states. [2018-07-23 13:37:46,293 INFO L276 IsEmpty]: Start isEmpty. Operand 88 states and 88 transitions. [2018-07-23 13:37:46,294 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 88 [2018-07-23 13:37:46,294 INFO L349 BasicCegarLoop]: Found error trace [2018-07-23 13:37:46,294 INFO L357 BasicCegarLoop]: trace histogram [84, 1, 1, 1] [2018-07-23 13:37:46,294 INFO L414 AbstractCegarLoop]: === Iteration 85 === [ULTIMATE.startErr0AssertViolationASSERT]=== [2018-07-23 13:37:46,294 INFO L82 PathProgramCache]: Analyzing trace with hash 527538689, now seen corresponding path program 84 times [2018-07-23 13:37:46,295 INFO L69 tionRefinementEngine]: Using refinement strategy FixedRefinementStrategy [2018-07-23 13:37:46,320 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-07-23 13:37:46,536 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 13:37:46,537 INFO L309 seRefinementStrategy]: Constructing automaton from 0 perfect and 1 imperfect interpolant sequences. [2018-07-23 13:37:46,537 INFO L324 seRefinementStrategy]: Number of different interpolants: perfect sequences [] imperfect sequences [86] total 86 [2018-07-23 13:37:46,537 INFO L142 lantAutomatonBuilder]: Constructing canonical interpolant automaton, with selfloop in false state [2018-07-23 13:37:46,537 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2018-07-23 13:37:46,538 INFO L185 omatonBuilderFactory]: Interpolants [19712#(<= ULTIMATE.start_main_~i~4 4), 19713#(<= ULTIMATE.start_main_~i~4 6), 19714#(<= ULTIMATE.start_main_~i~4 8), 19715#(<= ULTIMATE.start_main_~i~4 10), 19716#(<= ULTIMATE.start_main_~i~4 12), 19717#(<= ULTIMATE.start_main_~i~4 14), 19718#(<= ULTIMATE.start_main_~i~4 16), 19719#(<= ULTIMATE.start_main_~i~4 18), 19720#(<= ULTIMATE.start_main_~i~4 20), 19721#(<= ULTIMATE.start_main_~i~4 22), 19722#(<= ULTIMATE.start_main_~i~4 24), 19723#(<= ULTIMATE.start_main_~i~4 26), 19724#(<= ULTIMATE.start_main_~i~4 28), 19725#(<= ULTIMATE.start_main_~i~4 30), 19726#(<= ULTIMATE.start_main_~i~4 32), 19727#(<= ULTIMATE.start_main_~i~4 34), 19728#(<= ULTIMATE.start_main_~i~4 36), 19729#(<= ULTIMATE.start_main_~i~4 38), 19730#(<= ULTIMATE.start_main_~i~4 40), 19731#(<= ULTIMATE.start_main_~i~4 42), 19732#(<= ULTIMATE.start_main_~i~4 44), 19733#(<= ULTIMATE.start_main_~i~4 46), 19734#(<= ULTIMATE.start_main_~i~4 48), 19735#(<= ULTIMATE.start_main_~i~4 50), 19736#(<= ULTIMATE.start_main_~i~4 52), 19737#(<= ULTIMATE.start_main_~i~4 54), 19738#(<= ULTIMATE.start_main_~i~4 56), 19739#(<= ULTIMATE.start_main_~i~4 58), 19740#(<= ULTIMATE.start_main_~i~4 60), 19741#(<= ULTIMATE.start_main_~i~4 62), 19742#(<= ULTIMATE.start_main_~i~4 64), 19743#(<= ULTIMATE.start_main_~i~4 66), 19744#(<= ULTIMATE.start_main_~i~4 68), 19745#(<= ULTIMATE.start_main_~i~4 70), 19746#(<= ULTIMATE.start_main_~i~4 72), 19747#(<= ULTIMATE.start_main_~i~4 74), 19748#(<= ULTIMATE.start_main_~i~4 76), 19749#(<= ULTIMATE.start_main_~i~4 78), 19750#(<= ULTIMATE.start_main_~i~4 80), 19751#(<= ULTIMATE.start_main_~i~4 82), 19752#(<= ULTIMATE.start_main_~i~4 84), 19753#(<= ULTIMATE.start_main_~i~4 86), 19754#(<= ULTIMATE.start_main_~i~4 88), 19755#(<= ULTIMATE.start_main_~i~4 90), 19756#(<= ULTIMATE.start_main_~i~4 92), 19757#(<= ULTIMATE.start_main_~i~4 94), 19758#(<= ULTIMATE.start_main_~i~4 96), 19759#(<= ULTIMATE.start_main_~i~4 98), 19760#(<= ULTIMATE.start_main_~i~4 100), 19761#(<= ULTIMATE.start_main_~i~4 102), 19762#(<= ULTIMATE.start_main_~i~4 104), 19763#(<= ULTIMATE.start_main_~i~4 106), 19764#(<= ULTIMATE.start_main_~i~4 108), 19765#(<= ULTIMATE.start_main_~i~4 110), 19766#(<= ULTIMATE.start_main_~i~4 112), 19767#(<= ULTIMATE.start_main_~i~4 114), 19768#(<= ULTIMATE.start_main_~i~4 116), 19769#(<= ULTIMATE.start_main_~i~4 118), 19770#(<= ULTIMATE.start_main_~i~4 120), 19771#(<= ULTIMATE.start_main_~i~4 122), 19772#(<= ULTIMATE.start_main_~i~4 124), 19773#(<= ULTIMATE.start_main_~i~4 126), 19774#(<= ULTIMATE.start_main_~i~4 128), 19775#(<= ULTIMATE.start_main_~i~4 130), 19776#(<= ULTIMATE.start_main_~i~4 132), 19777#(<= ULTIMATE.start_main_~i~4 134), 19778#(<= ULTIMATE.start_main_~i~4 136), 19779#(<= ULTIMATE.start_main_~i~4 138), 19780#(<= ULTIMATE.start_main_~i~4 140), 19781#(<= ULTIMATE.start_main_~i~4 142), 19782#(<= ULTIMATE.start_main_~i~4 144), 19783#(<= ULTIMATE.start_main_~i~4 146), 19784#(<= ULTIMATE.start_main_~i~4 148), 19785#(<= ULTIMATE.start_main_~i~4 150), 19786#(<= ULTIMATE.start_main_~i~4 152), 19787#(<= ULTIMATE.start_main_~i~4 154), 19788#(<= ULTIMATE.start_main_~i~4 156), 19789#(<= ULTIMATE.start_main_~i~4 158), 19790#(<= ULTIMATE.start_main_~i~4 160), 19791#(<= ULTIMATE.start_main_~i~4 162), 19792#(<= ULTIMATE.start_main_~i~4 164), 19793#(<= ULTIMATE.start_main_~i~4 166), 19794#(<= ULTIMATE.start_main_~i~4 168), 19708#true, 19709#false, 19710#(<= ULTIMATE.start_main_~i~4 0), 19711#(<= ULTIMATE.start_main_~i~4 2)] [2018-07-23 13:37:46,538 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 13:37:46,538 INFO L450 AbstractCegarLoop]: Interpolant automaton has 87 states [2018-07-23 13:37:46,539 INFO L132 InterpolantAutomaton]: Constructing interpolant automaton starting with 87 interpolants. [2018-07-23 13:37:46,539 INFO L133 InterpolantAutomaton]: CoverageRelationStatistics Valid=3741, Invalid=3741, Unknown=0, NotChecked=0, Total=7482 [2018-07-23 13:37:46,539 INFO L87 Difference]: Start difference. First operand 88 states and 88 transitions. Second operand 87 states. [2018-07-23 13:37:46,626 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2018-07-23 13:37:46,627 INFO L93 Difference]: Finished difference Result 91 states and 91 transitions. [2018-07-23 13:37:46,627 INFO L142 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 87 states. [2018-07-23 13:37:46,627 INFO L78 Accepts]: Start accepts. Automaton has 87 states. Word has length 87 [2018-07-23 13:37:46,627 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2018-07-23 13:37:46,628 INFO L225 Difference]: With dead ends: 91 [2018-07-23 13:37:46,628 INFO L226 Difference]: Without dead ends: 89 [2018-07-23 13:37:46,628 INFO L575 BasicCegarLoop]: 0 DeclaredPredicates, 86 GetRequests, 1 SyntacticMatches, 0 SemanticMatches, 85 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 0 ImplicationChecksByTransitivity, 0.1s TimeCoverageRelationStatistics Valid=3741, Invalid=3741, Unknown=0, NotChecked=0, Total=7482 [2018-07-23 13:37:46,629 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 89 states. [2018-07-23 13:37:46,631 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 89 to 89. [2018-07-23 13:37:46,631 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 89 states. [2018-07-23 13:37:46,631 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 89 states to 89 states and 89 transitions. [2018-07-23 13:37:46,631 INFO L78 Accepts]: Start accepts. Automaton has 89 states and 89 transitions. Word has length 87 [2018-07-23 13:37:46,631 INFO L84 Accepts]: Finished accepts. word is rejected. [2018-07-23 13:37:46,632 INFO L471 AbstractCegarLoop]: Abstraction has 89 states and 89 transitions. [2018-07-23 13:37:46,632 INFO L472 AbstractCegarLoop]: Interpolant automaton has 87 states. [2018-07-23 13:37:46,632 INFO L276 IsEmpty]: Start isEmpty. Operand 89 states and 89 transitions. [2018-07-23 13:37:46,632 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 89 [2018-07-23 13:37:46,633 INFO L349 BasicCegarLoop]: Found error trace [2018-07-23 13:37:46,633 INFO L357 BasicCegarLoop]: trace histogram [85, 1, 1, 1] [2018-07-23 13:37:46,633 INFO L414 AbstractCegarLoop]: === Iteration 86 === [ULTIMATE.startErr0AssertViolationASSERT]=== [2018-07-23 13:37:46,633 INFO L82 PathProgramCache]: Analyzing trace with hash -826171800, now seen corresponding path program 85 times [2018-07-23 13:37:46,633 INFO L69 tionRefinementEngine]: Using refinement strategy FixedRefinementStrategy [2018-07-23 13:37:46,660 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-07-23 13:37:46,864 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 13:37:46,865 INFO L309 seRefinementStrategy]: Constructing automaton from 0 perfect and 1 imperfect interpolant sequences. [2018-07-23 13:37:46,865 INFO L324 seRefinementStrategy]: Number of different interpolants: perfect sequences [] imperfect sequences [87] total 87 [2018-07-23 13:37:46,865 INFO L142 lantAutomatonBuilder]: Constructing canonical interpolant automaton, with selfloop in false state [2018-07-23 13:37:46,866 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2018-07-23 13:37:46,866 INFO L185 omatonBuilderFactory]: Interpolants [20224#(<= ULTIMATE.start_main_~i~4 134), 20225#(<= ULTIMATE.start_main_~i~4 136), 20226#(<= ULTIMATE.start_main_~i~4 138), 20227#(<= ULTIMATE.start_main_~i~4 140), 20228#(<= ULTIMATE.start_main_~i~4 142), 20229#(<= ULTIMATE.start_main_~i~4 144), 20230#(<= ULTIMATE.start_main_~i~4 146), 20231#(<= ULTIMATE.start_main_~i~4 148), 20232#(<= ULTIMATE.start_main_~i~4 150), 20233#(<= ULTIMATE.start_main_~i~4 152), 20234#(<= ULTIMATE.start_main_~i~4 154), 20235#(<= ULTIMATE.start_main_~i~4 156), 20236#(<= ULTIMATE.start_main_~i~4 158), 20237#(<= ULTIMATE.start_main_~i~4 160), 20238#(<= ULTIMATE.start_main_~i~4 162), 20239#(<= ULTIMATE.start_main_~i~4 164), 20240#(<= ULTIMATE.start_main_~i~4 166), 20241#(<= ULTIMATE.start_main_~i~4 168), 20242#(<= ULTIMATE.start_main_~i~4 170), 20155#true, 20156#false, 20157#(<= ULTIMATE.start_main_~i~4 0), 20158#(<= ULTIMATE.start_main_~i~4 2), 20159#(<= ULTIMATE.start_main_~i~4 4), 20160#(<= ULTIMATE.start_main_~i~4 6), 20161#(<= ULTIMATE.start_main_~i~4 8), 20162#(<= ULTIMATE.start_main_~i~4 10), 20163#(<= ULTIMATE.start_main_~i~4 12), 20164#(<= ULTIMATE.start_main_~i~4 14), 20165#(<= ULTIMATE.start_main_~i~4 16), 20166#(<= ULTIMATE.start_main_~i~4 18), 20167#(<= ULTIMATE.start_main_~i~4 20), 20168#(<= ULTIMATE.start_main_~i~4 22), 20169#(<= ULTIMATE.start_main_~i~4 24), 20170#(<= ULTIMATE.start_main_~i~4 26), 20171#(<= ULTIMATE.start_main_~i~4 28), 20172#(<= ULTIMATE.start_main_~i~4 30), 20173#(<= ULTIMATE.start_main_~i~4 32), 20174#(<= ULTIMATE.start_main_~i~4 34), 20175#(<= ULTIMATE.start_main_~i~4 36), 20176#(<= ULTIMATE.start_main_~i~4 38), 20177#(<= ULTIMATE.start_main_~i~4 40), 20178#(<= ULTIMATE.start_main_~i~4 42), 20179#(<= ULTIMATE.start_main_~i~4 44), 20180#(<= ULTIMATE.start_main_~i~4 46), 20181#(<= ULTIMATE.start_main_~i~4 48), 20182#(<= ULTIMATE.start_main_~i~4 50), 20183#(<= ULTIMATE.start_main_~i~4 52), 20184#(<= ULTIMATE.start_main_~i~4 54), 20185#(<= ULTIMATE.start_main_~i~4 56), 20186#(<= ULTIMATE.start_main_~i~4 58), 20187#(<= ULTIMATE.start_main_~i~4 60), 20188#(<= ULTIMATE.start_main_~i~4 62), 20189#(<= ULTIMATE.start_main_~i~4 64), 20190#(<= ULTIMATE.start_main_~i~4 66), 20191#(<= ULTIMATE.start_main_~i~4 68), 20192#(<= ULTIMATE.start_main_~i~4 70), 20193#(<= ULTIMATE.start_main_~i~4 72), 20194#(<= ULTIMATE.start_main_~i~4 74), 20195#(<= ULTIMATE.start_main_~i~4 76), 20196#(<= ULTIMATE.start_main_~i~4 78), 20197#(<= ULTIMATE.start_main_~i~4 80), 20198#(<= ULTIMATE.start_main_~i~4 82), 20199#(<= ULTIMATE.start_main_~i~4 84), 20200#(<= ULTIMATE.start_main_~i~4 86), 20201#(<= ULTIMATE.start_main_~i~4 88), 20202#(<= ULTIMATE.start_main_~i~4 90), 20203#(<= ULTIMATE.start_main_~i~4 92), 20204#(<= ULTIMATE.start_main_~i~4 94), 20205#(<= ULTIMATE.start_main_~i~4 96), 20206#(<= ULTIMATE.start_main_~i~4 98), 20207#(<= ULTIMATE.start_main_~i~4 100), 20208#(<= ULTIMATE.start_main_~i~4 102), 20209#(<= ULTIMATE.start_main_~i~4 104), 20210#(<= ULTIMATE.start_main_~i~4 106), 20211#(<= ULTIMATE.start_main_~i~4 108), 20212#(<= ULTIMATE.start_main_~i~4 110), 20213#(<= ULTIMATE.start_main_~i~4 112), 20214#(<= ULTIMATE.start_main_~i~4 114), 20215#(<= ULTIMATE.start_main_~i~4 116), 20216#(<= ULTIMATE.start_main_~i~4 118), 20217#(<= ULTIMATE.start_main_~i~4 120), 20218#(<= ULTIMATE.start_main_~i~4 122), 20219#(<= ULTIMATE.start_main_~i~4 124), 20220#(<= ULTIMATE.start_main_~i~4 126), 20221#(<= ULTIMATE.start_main_~i~4 128), 20222#(<= ULTIMATE.start_main_~i~4 130), 20223#(<= ULTIMATE.start_main_~i~4 132)] [2018-07-23 13:37:46,866 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 13:37:46,866 INFO L450 AbstractCegarLoop]: Interpolant automaton has 88 states [2018-07-23 13:37:46,867 INFO L132 InterpolantAutomaton]: Constructing interpolant automaton starting with 88 interpolants. [2018-07-23 13:37:46,868 INFO L133 InterpolantAutomaton]: CoverageRelationStatistics Valid=3828, Invalid=3828, Unknown=0, NotChecked=0, Total=7656 [2018-07-23 13:37:46,868 INFO L87 Difference]: Start difference. First operand 89 states and 89 transitions. Second operand 88 states. [2018-07-23 13:37:46,921 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2018-07-23 13:37:46,921 INFO L93 Difference]: Finished difference Result 92 states and 92 transitions. [2018-07-23 13:37:46,921 INFO L142 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 88 states. [2018-07-23 13:37:46,921 INFO L78 Accepts]: Start accepts. Automaton has 88 states. Word has length 88 [2018-07-23 13:37:46,922 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2018-07-23 13:37:46,922 INFO L225 Difference]: With dead ends: 92 [2018-07-23 13:37:46,922 INFO L226 Difference]: Without dead ends: 90 [2018-07-23 13:37:46,923 INFO L575 BasicCegarLoop]: 0 DeclaredPredicates, 87 GetRequests, 1 SyntacticMatches, 0 SemanticMatches, 86 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 0 ImplicationChecksByTransitivity, 0.1s TimeCoverageRelationStatistics Valid=3828, Invalid=3828, Unknown=0, NotChecked=0, Total=7656 [2018-07-23 13:37:46,923 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 90 states. [2018-07-23 13:37:46,925 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 90 to 90. [2018-07-23 13:37:46,925 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 90 states. [2018-07-23 13:37:46,926 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 90 states to 90 states and 90 transitions. [2018-07-23 13:37:46,926 INFO L78 Accepts]: Start accepts. Automaton has 90 states and 90 transitions. Word has length 88 [2018-07-23 13:37:46,926 INFO L84 Accepts]: Finished accepts. word is rejected. [2018-07-23 13:37:46,926 INFO L471 AbstractCegarLoop]: Abstraction has 90 states and 90 transitions. [2018-07-23 13:37:46,926 INFO L472 AbstractCegarLoop]: Interpolant automaton has 88 states. [2018-07-23 13:37:46,926 INFO L276 IsEmpty]: Start isEmpty. Operand 90 states and 90 transitions. [2018-07-23 13:37:46,927 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 90 [2018-07-23 13:37:46,927 INFO L349 BasicCegarLoop]: Found error trace [2018-07-23 13:37:46,928 INFO L357 BasicCegarLoop]: trace histogram [86, 1, 1, 1] [2018-07-23 13:37:46,928 INFO L414 AbstractCegarLoop]: === Iteration 87 === [ULTIMATE.startErr0AssertViolationASSERT]=== [2018-07-23 13:37:46,928 INFO L82 PathProgramCache]: Analyzing trace with hash 158476001, now seen corresponding path program 86 times [2018-07-23 13:37:46,928 INFO L69 tionRefinementEngine]: Using refinement strategy FixedRefinementStrategy [2018-07-23 13:37:46,955 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-07-23 13:37:47,177 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 13:37:47,177 INFO L309 seRefinementStrategy]: Constructing automaton from 0 perfect and 1 imperfect interpolant sequences. [2018-07-23 13:37:47,177 INFO L324 seRefinementStrategy]: Number of different interpolants: perfect sequences [] imperfect sequences [88] total 88 [2018-07-23 13:37:47,177 INFO L142 lantAutomatonBuilder]: Constructing canonical interpolant automaton, with selfloop in false state [2018-07-23 13:37:47,178 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2018-07-23 13:37:47,178 INFO L185 omatonBuilderFactory]: Interpolants [20608#false, 20609#(<= ULTIMATE.start_main_~i~4 0), 20610#(<= ULTIMATE.start_main_~i~4 2), 20611#(<= ULTIMATE.start_main_~i~4 4), 20612#(<= ULTIMATE.start_main_~i~4 6), 20613#(<= ULTIMATE.start_main_~i~4 8), 20614#(<= ULTIMATE.start_main_~i~4 10), 20615#(<= ULTIMATE.start_main_~i~4 12), 20616#(<= ULTIMATE.start_main_~i~4 14), 20617#(<= ULTIMATE.start_main_~i~4 16), 20618#(<= ULTIMATE.start_main_~i~4 18), 20619#(<= ULTIMATE.start_main_~i~4 20), 20620#(<= ULTIMATE.start_main_~i~4 22), 20621#(<= ULTIMATE.start_main_~i~4 24), 20622#(<= ULTIMATE.start_main_~i~4 26), 20623#(<= ULTIMATE.start_main_~i~4 28), 20624#(<= ULTIMATE.start_main_~i~4 30), 20625#(<= ULTIMATE.start_main_~i~4 32), 20626#(<= ULTIMATE.start_main_~i~4 34), 20627#(<= ULTIMATE.start_main_~i~4 36), 20628#(<= ULTIMATE.start_main_~i~4 38), 20629#(<= ULTIMATE.start_main_~i~4 40), 20630#(<= ULTIMATE.start_main_~i~4 42), 20631#(<= ULTIMATE.start_main_~i~4 44), 20632#(<= ULTIMATE.start_main_~i~4 46), 20633#(<= ULTIMATE.start_main_~i~4 48), 20634#(<= ULTIMATE.start_main_~i~4 50), 20635#(<= ULTIMATE.start_main_~i~4 52), 20636#(<= ULTIMATE.start_main_~i~4 54), 20637#(<= ULTIMATE.start_main_~i~4 56), 20638#(<= ULTIMATE.start_main_~i~4 58), 20639#(<= ULTIMATE.start_main_~i~4 60), 20640#(<= ULTIMATE.start_main_~i~4 62), 20641#(<= ULTIMATE.start_main_~i~4 64), 20642#(<= ULTIMATE.start_main_~i~4 66), 20643#(<= ULTIMATE.start_main_~i~4 68), 20644#(<= ULTIMATE.start_main_~i~4 70), 20645#(<= ULTIMATE.start_main_~i~4 72), 20646#(<= ULTIMATE.start_main_~i~4 74), 20647#(<= ULTIMATE.start_main_~i~4 76), 20648#(<= ULTIMATE.start_main_~i~4 78), 20649#(<= ULTIMATE.start_main_~i~4 80), 20650#(<= ULTIMATE.start_main_~i~4 82), 20651#(<= ULTIMATE.start_main_~i~4 84), 20652#(<= ULTIMATE.start_main_~i~4 86), 20653#(<= ULTIMATE.start_main_~i~4 88), 20654#(<= ULTIMATE.start_main_~i~4 90), 20655#(<= ULTIMATE.start_main_~i~4 92), 20656#(<= ULTIMATE.start_main_~i~4 94), 20657#(<= ULTIMATE.start_main_~i~4 96), 20658#(<= ULTIMATE.start_main_~i~4 98), 20659#(<= ULTIMATE.start_main_~i~4 100), 20660#(<= ULTIMATE.start_main_~i~4 102), 20661#(<= ULTIMATE.start_main_~i~4 104), 20662#(<= ULTIMATE.start_main_~i~4 106), 20663#(<= ULTIMATE.start_main_~i~4 108), 20664#(<= ULTIMATE.start_main_~i~4 110), 20665#(<= ULTIMATE.start_main_~i~4 112), 20666#(<= ULTIMATE.start_main_~i~4 114), 20667#(<= ULTIMATE.start_main_~i~4 116), 20668#(<= ULTIMATE.start_main_~i~4 118), 20669#(<= ULTIMATE.start_main_~i~4 120), 20670#(<= ULTIMATE.start_main_~i~4 122), 20671#(<= ULTIMATE.start_main_~i~4 124), 20672#(<= ULTIMATE.start_main_~i~4 126), 20673#(<= ULTIMATE.start_main_~i~4 128), 20674#(<= ULTIMATE.start_main_~i~4 130), 20675#(<= ULTIMATE.start_main_~i~4 132), 20676#(<= ULTIMATE.start_main_~i~4 134), 20677#(<= ULTIMATE.start_main_~i~4 136), 20678#(<= ULTIMATE.start_main_~i~4 138), 20679#(<= ULTIMATE.start_main_~i~4 140), 20680#(<= ULTIMATE.start_main_~i~4 142), 20681#(<= ULTIMATE.start_main_~i~4 144), 20682#(<= ULTIMATE.start_main_~i~4 146), 20683#(<= ULTIMATE.start_main_~i~4 148), 20684#(<= ULTIMATE.start_main_~i~4 150), 20685#(<= ULTIMATE.start_main_~i~4 152), 20686#(<= ULTIMATE.start_main_~i~4 154), 20687#(<= ULTIMATE.start_main_~i~4 156), 20688#(<= ULTIMATE.start_main_~i~4 158), 20689#(<= ULTIMATE.start_main_~i~4 160), 20690#(<= ULTIMATE.start_main_~i~4 162), 20691#(<= ULTIMATE.start_main_~i~4 164), 20692#(<= ULTIMATE.start_main_~i~4 166), 20693#(<= ULTIMATE.start_main_~i~4 168), 20694#(<= ULTIMATE.start_main_~i~4 170), 20695#(<= ULTIMATE.start_main_~i~4 172), 20607#true] [2018-07-23 13:37:47,178 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 13:37:47,179 INFO L450 AbstractCegarLoop]: Interpolant automaton has 89 states [2018-07-23 13:37:47,179 INFO L132 InterpolantAutomaton]: Constructing interpolant automaton starting with 89 interpolants. [2018-07-23 13:37:47,180 INFO L133 InterpolantAutomaton]: CoverageRelationStatistics Valid=3916, Invalid=3916, Unknown=0, NotChecked=0, Total=7832 [2018-07-23 13:37:47,180 INFO L87 Difference]: Start difference. First operand 90 states and 90 transitions. Second operand 89 states. [2018-07-23 13:37:47,277 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2018-07-23 13:37:47,277 INFO L93 Difference]: Finished difference Result 93 states and 93 transitions. [2018-07-23 13:37:47,277 INFO L142 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 89 states. [2018-07-23 13:37:47,277 INFO L78 Accepts]: Start accepts. Automaton has 89 states. Word has length 89 [2018-07-23 13:37:47,277 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2018-07-23 13:37:47,278 INFO L225 Difference]: With dead ends: 93 [2018-07-23 13:37:47,278 INFO L226 Difference]: Without dead ends: 91 [2018-07-23 13:37:47,279 INFO L575 BasicCegarLoop]: 0 DeclaredPredicates, 88 GetRequests, 1 SyntacticMatches, 0 SemanticMatches, 87 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 0 ImplicationChecksByTransitivity, 0.1s TimeCoverageRelationStatistics Valid=3916, Invalid=3916, Unknown=0, NotChecked=0, Total=7832 [2018-07-23 13:37:47,279 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 91 states. [2018-07-23 13:37:47,281 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 91 to 91. [2018-07-23 13:37:47,281 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 91 states. [2018-07-23 13:37:47,281 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 91 states to 91 states and 91 transitions. [2018-07-23 13:37:47,282 INFO L78 Accepts]: Start accepts. Automaton has 91 states and 91 transitions. Word has length 89 [2018-07-23 13:37:47,282 INFO L84 Accepts]: Finished accepts. word is rejected. [2018-07-23 13:37:47,282 INFO L471 AbstractCegarLoop]: Abstraction has 91 states and 91 transitions. [2018-07-23 13:37:47,282 INFO L472 AbstractCegarLoop]: Interpolant automaton has 89 states. [2018-07-23 13:37:47,282 INFO L276 IsEmpty]: Start isEmpty. Operand 91 states and 91 transitions. [2018-07-23 13:37:47,283 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 91 [2018-07-23 13:37:47,283 INFO L349 BasicCegarLoop]: Found error trace [2018-07-23 13:37:47,283 INFO L357 BasicCegarLoop]: trace histogram [87, 1, 1, 1] [2018-07-23 13:37:47,283 INFO L414 AbstractCegarLoop]: === Iteration 88 === [ULTIMATE.startErr0AssertViolationASSERT]=== [2018-07-23 13:37:47,283 INFO L82 PathProgramCache]: Analyzing trace with hash 617786760, now seen corresponding path program 87 times [2018-07-23 13:37:47,283 INFO L69 tionRefinementEngine]: Using refinement strategy FixedRefinementStrategy [2018-07-23 13:37:47,311 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-07-23 13:37:47,615 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 13:37:47,616 INFO L309 seRefinementStrategy]: Constructing automaton from 0 perfect and 1 imperfect interpolant sequences. [2018-07-23 13:37:47,616 INFO L324 seRefinementStrategy]: Number of different interpolants: perfect sequences [] imperfect sequences [89] total 89 [2018-07-23 13:37:47,616 INFO L142 lantAutomatonBuilder]: Constructing canonical interpolant automaton, with selfloop in false state [2018-07-23 13:37:47,616 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2018-07-23 13:37:47,617 INFO L185 omatonBuilderFactory]: Interpolants [21120#(<= ULTIMATE.start_main_~i~4 108), 21121#(<= ULTIMATE.start_main_~i~4 110), 21122#(<= ULTIMATE.start_main_~i~4 112), 21123#(<= ULTIMATE.start_main_~i~4 114), 21124#(<= ULTIMATE.start_main_~i~4 116), 21125#(<= ULTIMATE.start_main_~i~4 118), 21126#(<= ULTIMATE.start_main_~i~4 120), 21127#(<= ULTIMATE.start_main_~i~4 122), 21128#(<= ULTIMATE.start_main_~i~4 124), 21129#(<= ULTIMATE.start_main_~i~4 126), 21130#(<= ULTIMATE.start_main_~i~4 128), 21131#(<= ULTIMATE.start_main_~i~4 130), 21132#(<= ULTIMATE.start_main_~i~4 132), 21133#(<= ULTIMATE.start_main_~i~4 134), 21134#(<= ULTIMATE.start_main_~i~4 136), 21135#(<= ULTIMATE.start_main_~i~4 138), 21136#(<= ULTIMATE.start_main_~i~4 140), 21137#(<= ULTIMATE.start_main_~i~4 142), 21138#(<= ULTIMATE.start_main_~i~4 144), 21139#(<= ULTIMATE.start_main_~i~4 146), 21140#(<= ULTIMATE.start_main_~i~4 148), 21141#(<= ULTIMATE.start_main_~i~4 150), 21142#(<= ULTIMATE.start_main_~i~4 152), 21143#(<= ULTIMATE.start_main_~i~4 154), 21144#(<= ULTIMATE.start_main_~i~4 156), 21145#(<= ULTIMATE.start_main_~i~4 158), 21146#(<= ULTIMATE.start_main_~i~4 160), 21147#(<= ULTIMATE.start_main_~i~4 162), 21148#(<= ULTIMATE.start_main_~i~4 164), 21149#(<= ULTIMATE.start_main_~i~4 166), 21150#(<= ULTIMATE.start_main_~i~4 168), 21151#(<= ULTIMATE.start_main_~i~4 170), 21152#(<= ULTIMATE.start_main_~i~4 172), 21153#(<= ULTIMATE.start_main_~i~4 174), 21064#true, 21065#false, 21066#(<= ULTIMATE.start_main_~i~4 0), 21067#(<= ULTIMATE.start_main_~i~4 2), 21068#(<= ULTIMATE.start_main_~i~4 4), 21069#(<= ULTIMATE.start_main_~i~4 6), 21070#(<= ULTIMATE.start_main_~i~4 8), 21071#(<= ULTIMATE.start_main_~i~4 10), 21072#(<= ULTIMATE.start_main_~i~4 12), 21073#(<= ULTIMATE.start_main_~i~4 14), 21074#(<= ULTIMATE.start_main_~i~4 16), 21075#(<= ULTIMATE.start_main_~i~4 18), 21076#(<= ULTIMATE.start_main_~i~4 20), 21077#(<= ULTIMATE.start_main_~i~4 22), 21078#(<= ULTIMATE.start_main_~i~4 24), 21079#(<= ULTIMATE.start_main_~i~4 26), 21080#(<= ULTIMATE.start_main_~i~4 28), 21081#(<= ULTIMATE.start_main_~i~4 30), 21082#(<= ULTIMATE.start_main_~i~4 32), 21083#(<= ULTIMATE.start_main_~i~4 34), 21084#(<= ULTIMATE.start_main_~i~4 36), 21085#(<= ULTIMATE.start_main_~i~4 38), 21086#(<= ULTIMATE.start_main_~i~4 40), 21087#(<= ULTIMATE.start_main_~i~4 42), 21088#(<= ULTIMATE.start_main_~i~4 44), 21089#(<= ULTIMATE.start_main_~i~4 46), 21090#(<= ULTIMATE.start_main_~i~4 48), 21091#(<= ULTIMATE.start_main_~i~4 50), 21092#(<= ULTIMATE.start_main_~i~4 52), 21093#(<= ULTIMATE.start_main_~i~4 54), 21094#(<= ULTIMATE.start_main_~i~4 56), 21095#(<= ULTIMATE.start_main_~i~4 58), 21096#(<= ULTIMATE.start_main_~i~4 60), 21097#(<= ULTIMATE.start_main_~i~4 62), 21098#(<= ULTIMATE.start_main_~i~4 64), 21099#(<= ULTIMATE.start_main_~i~4 66), 21100#(<= ULTIMATE.start_main_~i~4 68), 21101#(<= ULTIMATE.start_main_~i~4 70), 21102#(<= ULTIMATE.start_main_~i~4 72), 21103#(<= ULTIMATE.start_main_~i~4 74), 21104#(<= ULTIMATE.start_main_~i~4 76), 21105#(<= ULTIMATE.start_main_~i~4 78), 21106#(<= ULTIMATE.start_main_~i~4 80), 21107#(<= ULTIMATE.start_main_~i~4 82), 21108#(<= ULTIMATE.start_main_~i~4 84), 21109#(<= ULTIMATE.start_main_~i~4 86), 21110#(<= ULTIMATE.start_main_~i~4 88), 21111#(<= ULTIMATE.start_main_~i~4 90), 21112#(<= ULTIMATE.start_main_~i~4 92), 21113#(<= ULTIMATE.start_main_~i~4 94), 21114#(<= ULTIMATE.start_main_~i~4 96), 21115#(<= ULTIMATE.start_main_~i~4 98), 21116#(<= ULTIMATE.start_main_~i~4 100), 21117#(<= ULTIMATE.start_main_~i~4 102), 21118#(<= ULTIMATE.start_main_~i~4 104), 21119#(<= ULTIMATE.start_main_~i~4 106)] [2018-07-23 13:37:47,617 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 13:37:47,617 INFO L450 AbstractCegarLoop]: Interpolant automaton has 90 states [2018-07-23 13:37:47,618 INFO L132 InterpolantAutomaton]: Constructing interpolant automaton starting with 90 interpolants. [2018-07-23 13:37:47,618 INFO L133 InterpolantAutomaton]: CoverageRelationStatistics Valid=4005, Invalid=4005, Unknown=0, NotChecked=0, Total=8010 [2018-07-23 13:37:47,619 INFO L87 Difference]: Start difference. First operand 91 states and 91 transitions. Second operand 90 states. [2018-07-23 13:37:47,663 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2018-07-23 13:37:47,663 INFO L93 Difference]: Finished difference Result 94 states and 94 transitions. [2018-07-23 13:37:47,663 INFO L142 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 90 states. [2018-07-23 13:37:47,663 INFO L78 Accepts]: Start accepts. Automaton has 90 states. Word has length 90 [2018-07-23 13:37:47,664 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2018-07-23 13:37:47,664 INFO L225 Difference]: With dead ends: 94 [2018-07-23 13:37:47,664 INFO L226 Difference]: Without dead ends: 92 [2018-07-23 13:37:47,665 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 13:37:47,665 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 92 states. [2018-07-23 13:37:47,667 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 92 to 92. [2018-07-23 13:37:47,667 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 92 states. [2018-07-23 13:37:47,668 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 92 states to 92 states and 92 transitions. [2018-07-23 13:37:47,668 INFO L78 Accepts]: Start accepts. Automaton has 92 states and 92 transitions. Word has length 90 [2018-07-23 13:37:47,668 INFO L84 Accepts]: Finished accepts. word is rejected. [2018-07-23 13:37:47,668 INFO L471 AbstractCegarLoop]: Abstraction has 92 states and 92 transitions. [2018-07-23 13:37:47,668 INFO L472 AbstractCegarLoop]: Interpolant automaton has 90 states. [2018-07-23 13:37:47,668 INFO L276 IsEmpty]: Start isEmpty. Operand 92 states and 92 transitions. [2018-07-23 13:37:47,669 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 92 [2018-07-23 13:37:47,669 INFO L349 BasicCegarLoop]: Found error trace [2018-07-23 13:37:47,669 INFO L357 BasicCegarLoop]: trace histogram [88, 1, 1, 1] [2018-07-23 13:37:47,669 INFO L414 AbstractCegarLoop]: === Iteration 89 === [ULTIMATE.startErr0AssertViolationASSERT]=== [2018-07-23 13:37:47,669 INFO L82 PathProgramCache]: Analyzing trace with hash 1971518401, now seen corresponding path program 88 times [2018-07-23 13:37:47,670 INFO L69 tionRefinementEngine]: Using refinement strategy FixedRefinementStrategy [2018-07-23 13:37:47,695 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-07-23 13:37:47,917 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 13:37:47,917 INFO L309 seRefinementStrategy]: Constructing automaton from 0 perfect and 1 imperfect interpolant sequences. [2018-07-23 13:37:47,918 INFO L324 seRefinementStrategy]: Number of different interpolants: perfect sequences [] imperfect sequences [90] total 90 [2018-07-23 13:37:47,918 INFO L142 lantAutomatonBuilder]: Constructing canonical interpolant automaton, with selfloop in false state [2018-07-23 13:37:47,918 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2018-07-23 13:37:47,918 INFO L185 omatonBuilderFactory]: Interpolants [21526#true, 21527#false, 21528#(<= ULTIMATE.start_main_~i~4 0), 21529#(<= ULTIMATE.start_main_~i~4 2), 21530#(<= ULTIMATE.start_main_~i~4 4), 21531#(<= ULTIMATE.start_main_~i~4 6), 21532#(<= ULTIMATE.start_main_~i~4 8), 21533#(<= ULTIMATE.start_main_~i~4 10), 21534#(<= ULTIMATE.start_main_~i~4 12), 21535#(<= ULTIMATE.start_main_~i~4 14), 21536#(<= ULTIMATE.start_main_~i~4 16), 21537#(<= ULTIMATE.start_main_~i~4 18), 21538#(<= ULTIMATE.start_main_~i~4 20), 21539#(<= ULTIMATE.start_main_~i~4 22), 21540#(<= ULTIMATE.start_main_~i~4 24), 21541#(<= ULTIMATE.start_main_~i~4 26), 21542#(<= ULTIMATE.start_main_~i~4 28), 21543#(<= ULTIMATE.start_main_~i~4 30), 21544#(<= ULTIMATE.start_main_~i~4 32), 21545#(<= ULTIMATE.start_main_~i~4 34), 21546#(<= ULTIMATE.start_main_~i~4 36), 21547#(<= ULTIMATE.start_main_~i~4 38), 21548#(<= ULTIMATE.start_main_~i~4 40), 21549#(<= ULTIMATE.start_main_~i~4 42), 21550#(<= ULTIMATE.start_main_~i~4 44), 21551#(<= ULTIMATE.start_main_~i~4 46), 21552#(<= ULTIMATE.start_main_~i~4 48), 21553#(<= ULTIMATE.start_main_~i~4 50), 21554#(<= ULTIMATE.start_main_~i~4 52), 21555#(<= ULTIMATE.start_main_~i~4 54), 21556#(<= ULTIMATE.start_main_~i~4 56), 21557#(<= ULTIMATE.start_main_~i~4 58), 21558#(<= ULTIMATE.start_main_~i~4 60), 21559#(<= ULTIMATE.start_main_~i~4 62), 21560#(<= ULTIMATE.start_main_~i~4 64), 21561#(<= ULTIMATE.start_main_~i~4 66), 21562#(<= ULTIMATE.start_main_~i~4 68), 21563#(<= ULTIMATE.start_main_~i~4 70), 21564#(<= ULTIMATE.start_main_~i~4 72), 21565#(<= ULTIMATE.start_main_~i~4 74), 21566#(<= ULTIMATE.start_main_~i~4 76), 21567#(<= ULTIMATE.start_main_~i~4 78), 21568#(<= ULTIMATE.start_main_~i~4 80), 21569#(<= ULTIMATE.start_main_~i~4 82), 21570#(<= ULTIMATE.start_main_~i~4 84), 21571#(<= ULTIMATE.start_main_~i~4 86), 21572#(<= ULTIMATE.start_main_~i~4 88), 21573#(<= ULTIMATE.start_main_~i~4 90), 21574#(<= ULTIMATE.start_main_~i~4 92), 21575#(<= ULTIMATE.start_main_~i~4 94), 21576#(<= ULTIMATE.start_main_~i~4 96), 21577#(<= ULTIMATE.start_main_~i~4 98), 21578#(<= ULTIMATE.start_main_~i~4 100), 21579#(<= ULTIMATE.start_main_~i~4 102), 21580#(<= ULTIMATE.start_main_~i~4 104), 21581#(<= ULTIMATE.start_main_~i~4 106), 21582#(<= ULTIMATE.start_main_~i~4 108), 21583#(<= ULTIMATE.start_main_~i~4 110), 21584#(<= ULTIMATE.start_main_~i~4 112), 21585#(<= ULTIMATE.start_main_~i~4 114), 21586#(<= ULTIMATE.start_main_~i~4 116), 21587#(<= ULTIMATE.start_main_~i~4 118), 21588#(<= ULTIMATE.start_main_~i~4 120), 21589#(<= ULTIMATE.start_main_~i~4 122), 21590#(<= ULTIMATE.start_main_~i~4 124), 21591#(<= ULTIMATE.start_main_~i~4 126), 21592#(<= ULTIMATE.start_main_~i~4 128), 21593#(<= ULTIMATE.start_main_~i~4 130), 21594#(<= ULTIMATE.start_main_~i~4 132), 21595#(<= ULTIMATE.start_main_~i~4 134), 21596#(<= ULTIMATE.start_main_~i~4 136), 21597#(<= ULTIMATE.start_main_~i~4 138), 21598#(<= ULTIMATE.start_main_~i~4 140), 21599#(<= ULTIMATE.start_main_~i~4 142), 21600#(<= ULTIMATE.start_main_~i~4 144), 21601#(<= ULTIMATE.start_main_~i~4 146), 21602#(<= ULTIMATE.start_main_~i~4 148), 21603#(<= ULTIMATE.start_main_~i~4 150), 21604#(<= ULTIMATE.start_main_~i~4 152), 21605#(<= ULTIMATE.start_main_~i~4 154), 21606#(<= ULTIMATE.start_main_~i~4 156), 21607#(<= ULTIMATE.start_main_~i~4 158), 21608#(<= ULTIMATE.start_main_~i~4 160), 21609#(<= ULTIMATE.start_main_~i~4 162), 21610#(<= ULTIMATE.start_main_~i~4 164), 21611#(<= ULTIMATE.start_main_~i~4 166), 21612#(<= ULTIMATE.start_main_~i~4 168), 21613#(<= ULTIMATE.start_main_~i~4 170), 21614#(<= ULTIMATE.start_main_~i~4 172), 21615#(<= ULTIMATE.start_main_~i~4 174), 21616#(<= ULTIMATE.start_main_~i~4 176)] [2018-07-23 13:37:47,919 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 13:37:47,919 INFO L450 AbstractCegarLoop]: Interpolant automaton has 91 states [2018-07-23 13:37:47,920 INFO L132 InterpolantAutomaton]: Constructing interpolant automaton starting with 91 interpolants. [2018-07-23 13:37:47,920 INFO L133 InterpolantAutomaton]: CoverageRelationStatistics Valid=4095, Invalid=4095, Unknown=0, NotChecked=0, Total=8190 [2018-07-23 13:37:47,920 INFO L87 Difference]: Start difference. First operand 92 states and 92 transitions. Second operand 91 states. [2018-07-23 13:37:48,008 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2018-07-23 13:37:48,008 INFO L93 Difference]: Finished difference Result 95 states and 95 transitions. [2018-07-23 13:37:48,008 INFO L142 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 91 states. [2018-07-23 13:37:48,009 INFO L78 Accepts]: Start accepts. Automaton has 91 states. Word has length 91 [2018-07-23 13:37:48,009 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2018-07-23 13:37:48,009 INFO L225 Difference]: With dead ends: 95 [2018-07-23 13:37:48,009 INFO L226 Difference]: Without dead ends: 93 [2018-07-23 13:37:48,010 INFO L575 BasicCegarLoop]: 0 DeclaredPredicates, 90 GetRequests, 1 SyntacticMatches, 0 SemanticMatches, 89 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 0 ImplicationChecksByTransitivity, 0.1s TimeCoverageRelationStatistics Valid=4095, Invalid=4095, Unknown=0, NotChecked=0, Total=8190 [2018-07-23 13:37:48,010 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 93 states. [2018-07-23 13:37:48,013 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 93 to 93. [2018-07-23 13:37:48,013 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 93 states. [2018-07-23 13:37:48,013 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 93 states to 93 states and 93 transitions. [2018-07-23 13:37:48,013 INFO L78 Accepts]: Start accepts. Automaton has 93 states and 93 transitions. Word has length 91 [2018-07-23 13:37:48,013 INFO L84 Accepts]: Finished accepts. word is rejected. [2018-07-23 13:37:48,014 INFO L471 AbstractCegarLoop]: Abstraction has 93 states and 93 transitions. [2018-07-23 13:37:48,014 INFO L472 AbstractCegarLoop]: Interpolant automaton has 91 states. [2018-07-23 13:37:48,014 INFO L276 IsEmpty]: Start isEmpty. Operand 93 states and 93 transitions. [2018-07-23 13:37:48,017 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 93 [2018-07-23 13:37:48,018 INFO L349 BasicCegarLoop]: Found error trace [2018-07-23 13:37:48,018 INFO L357 BasicCegarLoop]: trace histogram [89, 1, 1, 1] [2018-07-23 13:37:48,018 INFO L414 AbstractCegarLoop]: === Iteration 90 === [ULTIMATE.startErr0AssertViolationASSERT]=== [2018-07-23 13:37:48,018 INFO L82 PathProgramCache]: Analyzing trace with hash 987526312, now seen corresponding path program 89 times [2018-07-23 13:37:48,018 INFO L69 tionRefinementEngine]: Using refinement strategy FixedRefinementStrategy [2018-07-23 13:37:48,045 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-07-23 13:37:48,291 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 13:37:48,292 INFO L309 seRefinementStrategy]: Constructing automaton from 0 perfect and 1 imperfect interpolant sequences. [2018-07-23 13:37:48,292 INFO L324 seRefinementStrategy]: Number of different interpolants: perfect sequences [] imperfect sequences [91] total 91 [2018-07-23 13:37:48,292 INFO L142 lantAutomatonBuilder]: Constructing canonical interpolant automaton, with selfloop in false state [2018-07-23 13:37:48,292 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2018-07-23 13:37:48,293 INFO L185 omatonBuilderFactory]: Interpolants [22016#(<= ULTIMATE.start_main_~i~4 42), 22017#(<= ULTIMATE.start_main_~i~4 44), 22018#(<= ULTIMATE.start_main_~i~4 46), 22019#(<= ULTIMATE.start_main_~i~4 48), 22020#(<= ULTIMATE.start_main_~i~4 50), 22021#(<= ULTIMATE.start_main_~i~4 52), 22022#(<= ULTIMATE.start_main_~i~4 54), 22023#(<= ULTIMATE.start_main_~i~4 56), 22024#(<= ULTIMATE.start_main_~i~4 58), 22025#(<= ULTIMATE.start_main_~i~4 60), 22026#(<= ULTIMATE.start_main_~i~4 62), 22027#(<= ULTIMATE.start_main_~i~4 64), 22028#(<= ULTIMATE.start_main_~i~4 66), 22029#(<= ULTIMATE.start_main_~i~4 68), 22030#(<= ULTIMATE.start_main_~i~4 70), 22031#(<= ULTIMATE.start_main_~i~4 72), 22032#(<= ULTIMATE.start_main_~i~4 74), 22033#(<= ULTIMATE.start_main_~i~4 76), 22034#(<= ULTIMATE.start_main_~i~4 78), 22035#(<= ULTIMATE.start_main_~i~4 80), 22036#(<= ULTIMATE.start_main_~i~4 82), 22037#(<= ULTIMATE.start_main_~i~4 84), 22038#(<= ULTIMATE.start_main_~i~4 86), 22039#(<= ULTIMATE.start_main_~i~4 88), 22040#(<= ULTIMATE.start_main_~i~4 90), 22041#(<= ULTIMATE.start_main_~i~4 92), 22042#(<= ULTIMATE.start_main_~i~4 94), 22043#(<= ULTIMATE.start_main_~i~4 96), 22044#(<= ULTIMATE.start_main_~i~4 98), 22045#(<= ULTIMATE.start_main_~i~4 100), 22046#(<= ULTIMATE.start_main_~i~4 102), 22047#(<= ULTIMATE.start_main_~i~4 104), 22048#(<= ULTIMATE.start_main_~i~4 106), 22049#(<= ULTIMATE.start_main_~i~4 108), 22050#(<= ULTIMATE.start_main_~i~4 110), 22051#(<= ULTIMATE.start_main_~i~4 112), 22052#(<= ULTIMATE.start_main_~i~4 114), 22053#(<= ULTIMATE.start_main_~i~4 116), 22054#(<= ULTIMATE.start_main_~i~4 118), 22055#(<= ULTIMATE.start_main_~i~4 120), 22056#(<= ULTIMATE.start_main_~i~4 122), 22057#(<= ULTIMATE.start_main_~i~4 124), 22058#(<= ULTIMATE.start_main_~i~4 126), 22059#(<= ULTIMATE.start_main_~i~4 128), 22060#(<= ULTIMATE.start_main_~i~4 130), 22061#(<= ULTIMATE.start_main_~i~4 132), 22062#(<= ULTIMATE.start_main_~i~4 134), 22063#(<= ULTIMATE.start_main_~i~4 136), 22064#(<= ULTIMATE.start_main_~i~4 138), 22065#(<= ULTIMATE.start_main_~i~4 140), 22066#(<= ULTIMATE.start_main_~i~4 142), 22067#(<= ULTIMATE.start_main_~i~4 144), 22068#(<= ULTIMATE.start_main_~i~4 146), 22069#(<= ULTIMATE.start_main_~i~4 148), 22070#(<= ULTIMATE.start_main_~i~4 150), 22071#(<= ULTIMATE.start_main_~i~4 152), 22072#(<= ULTIMATE.start_main_~i~4 154), 22073#(<= ULTIMATE.start_main_~i~4 156), 22074#(<= ULTIMATE.start_main_~i~4 158), 22075#(<= ULTIMATE.start_main_~i~4 160), 22076#(<= ULTIMATE.start_main_~i~4 162), 22077#(<= ULTIMATE.start_main_~i~4 164), 22078#(<= ULTIMATE.start_main_~i~4 166), 22079#(<= ULTIMATE.start_main_~i~4 168), 22080#(<= ULTIMATE.start_main_~i~4 170), 22081#(<= ULTIMATE.start_main_~i~4 172), 22082#(<= ULTIMATE.start_main_~i~4 174), 22083#(<= ULTIMATE.start_main_~i~4 176), 22084#(<= ULTIMATE.start_main_~i~4 178), 21993#true, 21994#false, 21995#(<= ULTIMATE.start_main_~i~4 0), 21996#(<= ULTIMATE.start_main_~i~4 2), 21997#(<= ULTIMATE.start_main_~i~4 4), 21998#(<= ULTIMATE.start_main_~i~4 6), 21999#(<= ULTIMATE.start_main_~i~4 8), 22000#(<= ULTIMATE.start_main_~i~4 10), 22001#(<= ULTIMATE.start_main_~i~4 12), 22002#(<= ULTIMATE.start_main_~i~4 14), 22003#(<= ULTIMATE.start_main_~i~4 16), 22004#(<= ULTIMATE.start_main_~i~4 18), 22005#(<= ULTIMATE.start_main_~i~4 20), 22006#(<= ULTIMATE.start_main_~i~4 22), 22007#(<= ULTIMATE.start_main_~i~4 24), 22008#(<= ULTIMATE.start_main_~i~4 26), 22009#(<= ULTIMATE.start_main_~i~4 28), 22010#(<= ULTIMATE.start_main_~i~4 30), 22011#(<= ULTIMATE.start_main_~i~4 32), 22012#(<= ULTIMATE.start_main_~i~4 34), 22013#(<= ULTIMATE.start_main_~i~4 36), 22014#(<= ULTIMATE.start_main_~i~4 38), 22015#(<= ULTIMATE.start_main_~i~4 40)] [2018-07-23 13:37:48,293 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 13:37:48,293 INFO L450 AbstractCegarLoop]: Interpolant automaton has 92 states [2018-07-23 13:37:48,294 INFO L132 InterpolantAutomaton]: Constructing interpolant automaton starting with 92 interpolants. [2018-07-23 13:37:48,294 INFO L133 InterpolantAutomaton]: CoverageRelationStatistics Valid=4186, Invalid=4186, Unknown=0, NotChecked=0, Total=8372 [2018-07-23 13:37:48,294 INFO L87 Difference]: Start difference. First operand 93 states and 93 transitions. Second operand 92 states. [2018-07-23 13:37:48,362 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2018-07-23 13:37:48,363 INFO L93 Difference]: Finished difference Result 96 states and 96 transitions. [2018-07-23 13:37:48,363 INFO L142 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 92 states. [2018-07-23 13:37:48,363 INFO L78 Accepts]: Start accepts. Automaton has 92 states. Word has length 92 [2018-07-23 13:37:48,363 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2018-07-23 13:37:48,364 INFO L225 Difference]: With dead ends: 96 [2018-07-23 13:37:48,364 INFO L226 Difference]: Without dead ends: 94 [2018-07-23 13:37:48,365 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 13:37:48,365 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 94 states. [2018-07-23 13:37:48,367 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 94 to 94. [2018-07-23 13:37:48,367 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 94 states. [2018-07-23 13:37:48,368 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 94 states to 94 states and 94 transitions. [2018-07-23 13:37:48,368 INFO L78 Accepts]: Start accepts. Automaton has 94 states and 94 transitions. Word has length 92 [2018-07-23 13:37:48,368 INFO L84 Accepts]: Finished accepts. word is rejected. [2018-07-23 13:37:48,368 INFO L471 AbstractCegarLoop]: Abstraction has 94 states and 94 transitions. [2018-07-23 13:37:48,368 INFO L472 AbstractCegarLoop]: Interpolant automaton has 92 states. [2018-07-23 13:37:48,368 INFO L276 IsEmpty]: Start isEmpty. Operand 94 states and 94 transitions. [2018-07-23 13:37:48,369 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 94 [2018-07-23 13:37:48,369 INFO L349 BasicCegarLoop]: Found error trace [2018-07-23 13:37:48,369 INFO L357 BasicCegarLoop]: trace histogram [90, 1, 1, 1] [2018-07-23 13:37:48,369 INFO L414 AbstractCegarLoop]: === Iteration 91 === [ULTIMATE.startErr0AssertViolationASSERT]=== [2018-07-23 13:37:48,370 INFO L82 PathProgramCache]: Analyzing trace with hash 548542625, now seen corresponding path program 90 times [2018-07-23 13:37:48,370 INFO L69 tionRefinementEngine]: Using refinement strategy FixedRefinementStrategy [2018-07-23 13:37:48,397 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-07-23 13:37:48,689 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 13:37:48,689 INFO L309 seRefinementStrategy]: Constructing automaton from 0 perfect and 1 imperfect interpolant sequences. [2018-07-23 13:37:48,690 INFO L324 seRefinementStrategy]: Number of different interpolants: perfect sequences [] imperfect sequences [92] total 92 [2018-07-23 13:37:48,690 INFO L142 lantAutomatonBuilder]: Constructing canonical interpolant automaton, with selfloop in false state [2018-07-23 13:37:48,690 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2018-07-23 13:37:48,690 INFO L185 omatonBuilderFactory]: Interpolants [22528#(<= ULTIMATE.start_main_~i~4 122), 22529#(<= ULTIMATE.start_main_~i~4 124), 22530#(<= ULTIMATE.start_main_~i~4 126), 22531#(<= ULTIMATE.start_main_~i~4 128), 22532#(<= ULTIMATE.start_main_~i~4 130), 22533#(<= ULTIMATE.start_main_~i~4 132), 22534#(<= ULTIMATE.start_main_~i~4 134), 22535#(<= ULTIMATE.start_main_~i~4 136), 22536#(<= ULTIMATE.start_main_~i~4 138), 22537#(<= ULTIMATE.start_main_~i~4 140), 22538#(<= ULTIMATE.start_main_~i~4 142), 22539#(<= ULTIMATE.start_main_~i~4 144), 22540#(<= ULTIMATE.start_main_~i~4 146), 22541#(<= ULTIMATE.start_main_~i~4 148), 22542#(<= ULTIMATE.start_main_~i~4 150), 22543#(<= ULTIMATE.start_main_~i~4 152), 22544#(<= ULTIMATE.start_main_~i~4 154), 22545#(<= ULTIMATE.start_main_~i~4 156), 22546#(<= ULTIMATE.start_main_~i~4 158), 22547#(<= ULTIMATE.start_main_~i~4 160), 22548#(<= ULTIMATE.start_main_~i~4 162), 22549#(<= ULTIMATE.start_main_~i~4 164), 22550#(<= ULTIMATE.start_main_~i~4 166), 22551#(<= ULTIMATE.start_main_~i~4 168), 22552#(<= ULTIMATE.start_main_~i~4 170), 22553#(<= ULTIMATE.start_main_~i~4 172), 22554#(<= ULTIMATE.start_main_~i~4 174), 22555#(<= ULTIMATE.start_main_~i~4 176), 22556#(<= ULTIMATE.start_main_~i~4 178), 22557#(<= ULTIMATE.start_main_~i~4 180), 22465#true, 22466#false, 22467#(<= ULTIMATE.start_main_~i~4 0), 22468#(<= ULTIMATE.start_main_~i~4 2), 22469#(<= ULTIMATE.start_main_~i~4 4), 22470#(<= ULTIMATE.start_main_~i~4 6), 22471#(<= ULTIMATE.start_main_~i~4 8), 22472#(<= ULTIMATE.start_main_~i~4 10), 22473#(<= ULTIMATE.start_main_~i~4 12), 22474#(<= ULTIMATE.start_main_~i~4 14), 22475#(<= ULTIMATE.start_main_~i~4 16), 22476#(<= ULTIMATE.start_main_~i~4 18), 22477#(<= ULTIMATE.start_main_~i~4 20), 22478#(<= ULTIMATE.start_main_~i~4 22), 22479#(<= ULTIMATE.start_main_~i~4 24), 22480#(<= ULTIMATE.start_main_~i~4 26), 22481#(<= ULTIMATE.start_main_~i~4 28), 22482#(<= ULTIMATE.start_main_~i~4 30), 22483#(<= ULTIMATE.start_main_~i~4 32), 22484#(<= ULTIMATE.start_main_~i~4 34), 22485#(<= ULTIMATE.start_main_~i~4 36), 22486#(<= ULTIMATE.start_main_~i~4 38), 22487#(<= ULTIMATE.start_main_~i~4 40), 22488#(<= ULTIMATE.start_main_~i~4 42), 22489#(<= ULTIMATE.start_main_~i~4 44), 22490#(<= ULTIMATE.start_main_~i~4 46), 22491#(<= ULTIMATE.start_main_~i~4 48), 22492#(<= ULTIMATE.start_main_~i~4 50), 22493#(<= ULTIMATE.start_main_~i~4 52), 22494#(<= ULTIMATE.start_main_~i~4 54), 22495#(<= ULTIMATE.start_main_~i~4 56), 22496#(<= ULTIMATE.start_main_~i~4 58), 22497#(<= ULTIMATE.start_main_~i~4 60), 22498#(<= ULTIMATE.start_main_~i~4 62), 22499#(<= ULTIMATE.start_main_~i~4 64), 22500#(<= ULTIMATE.start_main_~i~4 66), 22501#(<= ULTIMATE.start_main_~i~4 68), 22502#(<= ULTIMATE.start_main_~i~4 70), 22503#(<= ULTIMATE.start_main_~i~4 72), 22504#(<= ULTIMATE.start_main_~i~4 74), 22505#(<= ULTIMATE.start_main_~i~4 76), 22506#(<= ULTIMATE.start_main_~i~4 78), 22507#(<= ULTIMATE.start_main_~i~4 80), 22508#(<= ULTIMATE.start_main_~i~4 82), 22509#(<= ULTIMATE.start_main_~i~4 84), 22510#(<= ULTIMATE.start_main_~i~4 86), 22511#(<= ULTIMATE.start_main_~i~4 88), 22512#(<= ULTIMATE.start_main_~i~4 90), 22513#(<= ULTIMATE.start_main_~i~4 92), 22514#(<= ULTIMATE.start_main_~i~4 94), 22515#(<= ULTIMATE.start_main_~i~4 96), 22516#(<= ULTIMATE.start_main_~i~4 98), 22517#(<= ULTIMATE.start_main_~i~4 100), 22518#(<= ULTIMATE.start_main_~i~4 102), 22519#(<= ULTIMATE.start_main_~i~4 104), 22520#(<= ULTIMATE.start_main_~i~4 106), 22521#(<= ULTIMATE.start_main_~i~4 108), 22522#(<= ULTIMATE.start_main_~i~4 110), 22523#(<= ULTIMATE.start_main_~i~4 112), 22524#(<= ULTIMATE.start_main_~i~4 114), 22525#(<= ULTIMATE.start_main_~i~4 116), 22526#(<= ULTIMATE.start_main_~i~4 118), 22527#(<= ULTIMATE.start_main_~i~4 120)] [2018-07-23 13:37:48,691 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 13:37:48,691 INFO L450 AbstractCegarLoop]: Interpolant automaton has 93 states [2018-07-23 13:37:48,692 INFO L132 InterpolantAutomaton]: Constructing interpolant automaton starting with 93 interpolants. [2018-07-23 13:37:48,692 INFO L133 InterpolantAutomaton]: CoverageRelationStatistics Valid=4278, Invalid=4278, Unknown=0, NotChecked=0, Total=8556 [2018-07-23 13:37:48,694 INFO L87 Difference]: Start difference. First operand 94 states and 94 transitions. Second operand 93 states. [2018-07-23 13:37:48,740 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2018-07-23 13:37:48,740 INFO L93 Difference]: Finished difference Result 97 states and 97 transitions. [2018-07-23 13:37:48,740 INFO L142 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 93 states. [2018-07-23 13:37:48,740 INFO L78 Accepts]: Start accepts. Automaton has 93 states. Word has length 93 [2018-07-23 13:37:48,740 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2018-07-23 13:37:48,741 INFO L225 Difference]: With dead ends: 97 [2018-07-23 13:37:48,741 INFO L226 Difference]: Without dead ends: 95 [2018-07-23 13:37:48,742 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 13:37:48,742 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 95 states. [2018-07-23 13:37:48,744 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 95 to 95. [2018-07-23 13:37:48,744 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 95 states. [2018-07-23 13:37:48,745 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 95 states to 95 states and 95 transitions. [2018-07-23 13:37:48,745 INFO L78 Accepts]: Start accepts. Automaton has 95 states and 95 transitions. Word has length 93 [2018-07-23 13:37:48,745 INFO L84 Accepts]: Finished accepts. word is rejected. [2018-07-23 13:37:48,745 INFO L471 AbstractCegarLoop]: Abstraction has 95 states and 95 transitions. [2018-07-23 13:37:48,745 INFO L472 AbstractCegarLoop]: Interpolant automaton has 93 states. [2018-07-23 13:37:48,745 INFO L276 IsEmpty]: Start isEmpty. Operand 95 states and 95 transitions. [2018-07-23 13:37:48,746 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 95 [2018-07-23 13:37:48,746 INFO L349 BasicCegarLoop]: Found error trace [2018-07-23 13:37:48,746 INFO L357 BasicCegarLoop]: trace histogram [91, 1, 1, 1] [2018-07-23 13:37:48,746 INFO L414 AbstractCegarLoop]: === Iteration 92 === [ULTIMATE.startErr0AssertViolationASSERT]=== [2018-07-23 13:37:48,747 INFO L82 PathProgramCache]: Analyzing trace with hash -175049784, now seen corresponding path program 91 times [2018-07-23 13:37:48,747 INFO L69 tionRefinementEngine]: Using refinement strategy FixedRefinementStrategy [2018-07-23 13:37:48,774 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-07-23 13:37:49,104 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 13:37:49,105 INFO L309 seRefinementStrategy]: Constructing automaton from 0 perfect and 1 imperfect interpolant sequences. [2018-07-23 13:37:49,105 INFO L324 seRefinementStrategy]: Number of different interpolants: perfect sequences [] imperfect sequences [93] total 93 [2018-07-23 13:37:49,105 INFO L142 lantAutomatonBuilder]: Constructing canonical interpolant automaton, with selfloop in false state [2018-07-23 13:37:49,105 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 13:37:49,106 INFO L185 omatonBuilderFactory]: Interpolants [22942#true, 22943#false, 22944#(<= ULTIMATE.start_main_~i~4 0), 22945#(<= ULTIMATE.start_main_~i~4 2), 22946#(<= ULTIMATE.start_main_~i~4 4), 22947#(<= ULTIMATE.start_main_~i~4 6), 22948#(<= ULTIMATE.start_main_~i~4 8), 22949#(<= ULTIMATE.start_main_~i~4 10), 22950#(<= ULTIMATE.start_main_~i~4 12), 22951#(<= ULTIMATE.start_main_~i~4 14), 22952#(<= ULTIMATE.start_main_~i~4 16), 22953#(<= ULTIMATE.start_main_~i~4 18), 22954#(<= ULTIMATE.start_main_~i~4 20), 22955#(<= ULTIMATE.start_main_~i~4 22), 22956#(<= ULTIMATE.start_main_~i~4 24), 22957#(<= ULTIMATE.start_main_~i~4 26), 22958#(<= ULTIMATE.start_main_~i~4 28), 22959#(<= ULTIMATE.start_main_~i~4 30), 22960#(<= ULTIMATE.start_main_~i~4 32), 22961#(<= ULTIMATE.start_main_~i~4 34), 22962#(<= ULTIMATE.start_main_~i~4 36), 22963#(<= ULTIMATE.start_main_~i~4 38), 22964#(<= ULTIMATE.start_main_~i~4 40), 22965#(<= ULTIMATE.start_main_~i~4 42), 22966#(<= ULTIMATE.start_main_~i~4 44), 22967#(<= ULTIMATE.start_main_~i~4 46), 22968#(<= ULTIMATE.start_main_~i~4 48), 22969#(<= ULTIMATE.start_main_~i~4 50), 22970#(<= ULTIMATE.start_main_~i~4 52), 22971#(<= ULTIMATE.start_main_~i~4 54), 22972#(<= ULTIMATE.start_main_~i~4 56), 22973#(<= ULTIMATE.start_main_~i~4 58), 22974#(<= ULTIMATE.start_main_~i~4 60), 22975#(<= ULTIMATE.start_main_~i~4 62), 22976#(<= ULTIMATE.start_main_~i~4 64), 22977#(<= ULTIMATE.start_main_~i~4 66), 22978#(<= ULTIMATE.start_main_~i~4 68), 22979#(<= ULTIMATE.start_main_~i~4 70), 22980#(<= ULTIMATE.start_main_~i~4 72), 22981#(<= ULTIMATE.start_main_~i~4 74), 22982#(<= ULTIMATE.start_main_~i~4 76), 22983#(<= ULTIMATE.start_main_~i~4 78), 22984#(<= ULTIMATE.start_main_~i~4 80), 22985#(<= ULTIMATE.start_main_~i~4 82), 22986#(<= ULTIMATE.start_main_~i~4 84), 22987#(<= ULTIMATE.start_main_~i~4 86), 22988#(<= ULTIMATE.start_main_~i~4 88), 22989#(<= ULTIMATE.start_main_~i~4 90), 22990#(<= ULTIMATE.start_main_~i~4 92), 22991#(<= ULTIMATE.start_main_~i~4 94), 22992#(<= ULTIMATE.start_main_~i~4 96), 22993#(<= ULTIMATE.start_main_~i~4 98), 22994#(<= ULTIMATE.start_main_~i~4 100), 22995#(<= ULTIMATE.start_main_~i~4 102), 22996#(<= ULTIMATE.start_main_~i~4 104), 22997#(<= ULTIMATE.start_main_~i~4 106), 22998#(<= ULTIMATE.start_main_~i~4 108), 22999#(<= ULTIMATE.start_main_~i~4 110), 23000#(<= ULTIMATE.start_main_~i~4 112), 23001#(<= ULTIMATE.start_main_~i~4 114), 23002#(<= ULTIMATE.start_main_~i~4 116), 23003#(<= ULTIMATE.start_main_~i~4 118), 23004#(<= ULTIMATE.start_main_~i~4 120), 23005#(<= ULTIMATE.start_main_~i~4 122), 23006#(<= ULTIMATE.start_main_~i~4 124), 23007#(<= ULTIMATE.start_main_~i~4 126), 23008#(<= ULTIMATE.start_main_~i~4 128), 23009#(<= ULTIMATE.start_main_~i~4 130), 23010#(<= ULTIMATE.start_main_~i~4 132), 23011#(<= ULTIMATE.start_main_~i~4 134), 23012#(<= ULTIMATE.start_main_~i~4 136), 23013#(<= ULTIMATE.start_main_~i~4 138), 23014#(<= ULTIMATE.start_main_~i~4 140), 23015#(<= ULTIMATE.start_main_~i~4 142), 23016#(<= ULTIMATE.start_main_~i~4 144), 23017#(<= ULTIMATE.start_main_~i~4 146), 23018#(<= ULTIMATE.start_main_~i~4 148), 23019#(<= ULTIMATE.start_main_~i~4 150), 23020#(<= ULTIMATE.start_main_~i~4 152), 23021#(<= ULTIMATE.start_main_~i~4 154), 23022#(<= ULTIMATE.start_main_~i~4 156), 23023#(<= ULTIMATE.start_main_~i~4 158), 23024#(<= ULTIMATE.start_main_~i~4 160), 23025#(<= ULTIMATE.start_main_~i~4 162), 23026#(<= ULTIMATE.start_main_~i~4 164), 23027#(<= ULTIMATE.start_main_~i~4 166), 23028#(<= ULTIMATE.start_main_~i~4 168), 23029#(<= ULTIMATE.start_main_~i~4 170), 23030#(<= ULTIMATE.start_main_~i~4 172), 23031#(<= ULTIMATE.start_main_~i~4 174), 23032#(<= ULTIMATE.start_main_~i~4 176), 23033#(<= ULTIMATE.start_main_~i~4 178), 23034#(<= ULTIMATE.start_main_~i~4 180), 23035#(<= ULTIMATE.start_main_~i~4 182)] [2018-07-23 13:37:49,106 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 13:37:49,106 INFO L450 AbstractCegarLoop]: Interpolant automaton has 94 states [2018-07-23 13:37:49,107 INFO L132 InterpolantAutomaton]: Constructing interpolant automaton starting with 94 interpolants. [2018-07-23 13:37:49,108 INFO L133 InterpolantAutomaton]: CoverageRelationStatistics Valid=4371, Invalid=4371, Unknown=0, NotChecked=0, Total=8742 [2018-07-23 13:37:49,108 INFO L87 Difference]: Start difference. First operand 95 states and 95 transitions. Second operand 94 states. [2018-07-23 13:37:49,239 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2018-07-23 13:37:49,239 INFO L93 Difference]: Finished difference Result 98 states and 98 transitions. [2018-07-23 13:37:49,239 INFO L142 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 94 states. [2018-07-23 13:37:49,240 INFO L78 Accepts]: Start accepts. Automaton has 94 states. Word has length 94 [2018-07-23 13:37:49,240 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2018-07-23 13:37:49,240 INFO L225 Difference]: With dead ends: 98 [2018-07-23 13:37:49,241 INFO L226 Difference]: Without dead ends: 96 [2018-07-23 13:37:49,241 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 13:37:49,242 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 96 states. [2018-07-23 13:37:49,244 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 96 to 96. [2018-07-23 13:37:49,244 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 96 states. [2018-07-23 13:37:49,245 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 96 states to 96 states and 96 transitions. [2018-07-23 13:37:49,245 INFO L78 Accepts]: Start accepts. Automaton has 96 states and 96 transitions. Word has length 94 [2018-07-23 13:37:49,245 INFO L84 Accepts]: Finished accepts. word is rejected. [2018-07-23 13:37:49,245 INFO L471 AbstractCegarLoop]: Abstraction has 96 states and 96 transitions. [2018-07-23 13:37:49,245 INFO L472 AbstractCegarLoop]: Interpolant automaton has 94 states. [2018-07-23 13:37:49,245 INFO L276 IsEmpty]: Start isEmpty. Operand 96 states and 96 transitions. [2018-07-23 13:37:49,246 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 96 [2018-07-23 13:37:49,246 INFO L349 BasicCegarLoop]: Found error trace [2018-07-23 13:37:49,246 INFO L357 BasicCegarLoop]: trace histogram [92, 1, 1, 1] [2018-07-23 13:37:49,246 INFO L414 AbstractCegarLoop]: === Iteration 93 === [ULTIMATE.startErr0AssertViolationASSERT]=== [2018-07-23 13:37:49,246 INFO L82 PathProgramCache]: Analyzing trace with hash -1131577983, now seen corresponding path program 92 times [2018-07-23 13:37:49,247 INFO L69 tionRefinementEngine]: Using refinement strategy FixedRefinementStrategy [2018-07-23 13:37:49,281 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-07-23 13:37:49,646 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 13:37:49,646 INFO L309 seRefinementStrategy]: Constructing automaton from 0 perfect and 1 imperfect interpolant sequences. [2018-07-23 13:37:49,646 INFO L324 seRefinementStrategy]: Number of different interpolants: perfect sequences [] imperfect sequences [94] total 94 [2018-07-23 13:37:49,646 INFO L142 lantAutomatonBuilder]: Constructing canonical interpolant automaton, with selfloop in false state [2018-07-23 13:37:49,647 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2018-07-23 13:37:49,647 INFO L185 omatonBuilderFactory]: Interpolants [23424#true, 23425#false, 23426#(<= ULTIMATE.start_main_~i~4 0), 23427#(<= ULTIMATE.start_main_~i~4 2), 23428#(<= ULTIMATE.start_main_~i~4 4), 23429#(<= ULTIMATE.start_main_~i~4 6), 23430#(<= ULTIMATE.start_main_~i~4 8), 23431#(<= ULTIMATE.start_main_~i~4 10), 23432#(<= ULTIMATE.start_main_~i~4 12), 23433#(<= ULTIMATE.start_main_~i~4 14), 23434#(<= ULTIMATE.start_main_~i~4 16), 23435#(<= ULTIMATE.start_main_~i~4 18), 23436#(<= ULTIMATE.start_main_~i~4 20), 23437#(<= ULTIMATE.start_main_~i~4 22), 23438#(<= ULTIMATE.start_main_~i~4 24), 23439#(<= ULTIMATE.start_main_~i~4 26), 23440#(<= ULTIMATE.start_main_~i~4 28), 23441#(<= ULTIMATE.start_main_~i~4 30), 23442#(<= ULTIMATE.start_main_~i~4 32), 23443#(<= ULTIMATE.start_main_~i~4 34), 23444#(<= ULTIMATE.start_main_~i~4 36), 23445#(<= ULTIMATE.start_main_~i~4 38), 23446#(<= ULTIMATE.start_main_~i~4 40), 23447#(<= ULTIMATE.start_main_~i~4 42), 23448#(<= ULTIMATE.start_main_~i~4 44), 23449#(<= ULTIMATE.start_main_~i~4 46), 23450#(<= ULTIMATE.start_main_~i~4 48), 23451#(<= ULTIMATE.start_main_~i~4 50), 23452#(<= ULTIMATE.start_main_~i~4 52), 23453#(<= ULTIMATE.start_main_~i~4 54), 23454#(<= ULTIMATE.start_main_~i~4 56), 23455#(<= ULTIMATE.start_main_~i~4 58), 23456#(<= ULTIMATE.start_main_~i~4 60), 23457#(<= ULTIMATE.start_main_~i~4 62), 23458#(<= ULTIMATE.start_main_~i~4 64), 23459#(<= ULTIMATE.start_main_~i~4 66), 23460#(<= ULTIMATE.start_main_~i~4 68), 23461#(<= ULTIMATE.start_main_~i~4 70), 23462#(<= ULTIMATE.start_main_~i~4 72), 23463#(<= ULTIMATE.start_main_~i~4 74), 23464#(<= ULTIMATE.start_main_~i~4 76), 23465#(<= ULTIMATE.start_main_~i~4 78), 23466#(<= ULTIMATE.start_main_~i~4 80), 23467#(<= ULTIMATE.start_main_~i~4 82), 23468#(<= ULTIMATE.start_main_~i~4 84), 23469#(<= ULTIMATE.start_main_~i~4 86), 23470#(<= ULTIMATE.start_main_~i~4 88), 23471#(<= ULTIMATE.start_main_~i~4 90), 23472#(<= ULTIMATE.start_main_~i~4 92), 23473#(<= ULTIMATE.start_main_~i~4 94), 23474#(<= ULTIMATE.start_main_~i~4 96), 23475#(<= ULTIMATE.start_main_~i~4 98), 23476#(<= ULTIMATE.start_main_~i~4 100), 23477#(<= ULTIMATE.start_main_~i~4 102), 23478#(<= ULTIMATE.start_main_~i~4 104), 23479#(<= ULTIMATE.start_main_~i~4 106), 23480#(<= ULTIMATE.start_main_~i~4 108), 23481#(<= ULTIMATE.start_main_~i~4 110), 23482#(<= ULTIMATE.start_main_~i~4 112), 23483#(<= ULTIMATE.start_main_~i~4 114), 23484#(<= ULTIMATE.start_main_~i~4 116), 23485#(<= ULTIMATE.start_main_~i~4 118), 23486#(<= ULTIMATE.start_main_~i~4 120), 23487#(<= ULTIMATE.start_main_~i~4 122), 23488#(<= ULTIMATE.start_main_~i~4 124), 23489#(<= ULTIMATE.start_main_~i~4 126), 23490#(<= ULTIMATE.start_main_~i~4 128), 23491#(<= ULTIMATE.start_main_~i~4 130), 23492#(<= ULTIMATE.start_main_~i~4 132), 23493#(<= ULTIMATE.start_main_~i~4 134), 23494#(<= ULTIMATE.start_main_~i~4 136), 23495#(<= ULTIMATE.start_main_~i~4 138), 23496#(<= ULTIMATE.start_main_~i~4 140), 23497#(<= ULTIMATE.start_main_~i~4 142), 23498#(<= ULTIMATE.start_main_~i~4 144), 23499#(<= ULTIMATE.start_main_~i~4 146), 23500#(<= ULTIMATE.start_main_~i~4 148), 23501#(<= ULTIMATE.start_main_~i~4 150), 23502#(<= ULTIMATE.start_main_~i~4 152), 23503#(<= ULTIMATE.start_main_~i~4 154), 23504#(<= ULTIMATE.start_main_~i~4 156), 23505#(<= ULTIMATE.start_main_~i~4 158), 23506#(<= ULTIMATE.start_main_~i~4 160), 23507#(<= ULTIMATE.start_main_~i~4 162), 23508#(<= ULTIMATE.start_main_~i~4 164), 23509#(<= ULTIMATE.start_main_~i~4 166), 23510#(<= ULTIMATE.start_main_~i~4 168), 23511#(<= ULTIMATE.start_main_~i~4 170), 23512#(<= ULTIMATE.start_main_~i~4 172), 23513#(<= ULTIMATE.start_main_~i~4 174), 23514#(<= ULTIMATE.start_main_~i~4 176), 23515#(<= ULTIMATE.start_main_~i~4 178), 23516#(<= ULTIMATE.start_main_~i~4 180), 23517#(<= ULTIMATE.start_main_~i~4 182), 23518#(<= ULTIMATE.start_main_~i~4 184)] [2018-07-23 13:37:49,648 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 13:37:49,648 INFO L450 AbstractCegarLoop]: Interpolant automaton has 95 states [2018-07-23 13:37:49,649 INFO L132 InterpolantAutomaton]: Constructing interpolant automaton starting with 95 interpolants. [2018-07-23 13:37:49,649 INFO L133 InterpolantAutomaton]: CoverageRelationStatistics Valid=4465, Invalid=4465, Unknown=0, NotChecked=0, Total=8930 [2018-07-23 13:37:49,649 INFO L87 Difference]: Start difference. First operand 96 states and 96 transitions. Second operand 95 states. [2018-07-23 13:37:49,801 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2018-07-23 13:37:49,802 INFO L93 Difference]: Finished difference Result 99 states and 99 transitions. [2018-07-23 13:37:49,802 INFO L142 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 95 states. [2018-07-23 13:37:49,802 INFO L78 Accepts]: Start accepts. Automaton has 95 states. Word has length 95 [2018-07-23 13:37:49,803 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2018-07-23 13:37:49,803 INFO L225 Difference]: With dead ends: 99 [2018-07-23 13:37:49,804 INFO L226 Difference]: Without dead ends: 97 [2018-07-23 13:37:49,805 INFO L575 BasicCegarLoop]: 0 DeclaredPredicates, 94 GetRequests, 1 SyntacticMatches, 0 SemanticMatches, 93 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 0 ImplicationChecksByTransitivity, 0.3s TimeCoverageRelationStatistics Valid=4465, Invalid=4465, Unknown=0, NotChecked=0, Total=8930 [2018-07-23 13:37:49,805 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 97 states. [2018-07-23 13:37:49,809 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 97 to 97. [2018-07-23 13:37:49,809 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 97 states. [2018-07-23 13:37:49,810 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 97 states to 97 states and 97 transitions. [2018-07-23 13:37:49,810 INFO L78 Accepts]: Start accepts. Automaton has 97 states and 97 transitions. Word has length 95 [2018-07-23 13:37:49,811 INFO L84 Accepts]: Finished accepts. word is rejected. [2018-07-23 13:37:49,811 INFO L471 AbstractCegarLoop]: Abstraction has 97 states and 97 transitions. [2018-07-23 13:37:49,811 INFO L472 AbstractCegarLoop]: Interpolant automaton has 95 states. [2018-07-23 13:37:49,811 INFO L276 IsEmpty]: Start isEmpty. Operand 97 states and 97 transitions. [2018-07-23 13:37:49,812 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 97 [2018-07-23 13:37:49,812 INFO L349 BasicCegarLoop]: Found error trace [2018-07-23 13:37:49,813 INFO L357 BasicCegarLoop]: trace histogram [93, 1, 1, 1] [2018-07-23 13:37:49,813 INFO L414 AbstractCegarLoop]: === Iteration 94 === [ULTIMATE.startErr0AssertViolationASSERT]=== [2018-07-23 13:37:49,813 INFO L82 PathProgramCache]: Analyzing trace with hash -719181080, now seen corresponding path program 93 times [2018-07-23 13:37:49,814 INFO L69 tionRefinementEngine]: Using refinement strategy FixedRefinementStrategy [2018-07-23 13:37:49,863 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-07-23 13:37:50,297 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 13:37:50,298 INFO L309 seRefinementStrategy]: Constructing automaton from 0 perfect and 1 imperfect interpolant sequences. [2018-07-23 13:37:50,298 INFO L324 seRefinementStrategy]: Number of different interpolants: perfect sequences [] imperfect sequences [95] total 95 [2018-07-23 13:37:50,298 INFO L142 lantAutomatonBuilder]: Constructing canonical interpolant automaton, with selfloop in false state [2018-07-23 13:37:50,298 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2018-07-23 13:37:50,299 INFO L185 omatonBuilderFactory]: Interpolants [23936#(<= ULTIMATE.start_main_~i~4 46), 23937#(<= ULTIMATE.start_main_~i~4 48), 23938#(<= ULTIMATE.start_main_~i~4 50), 23939#(<= ULTIMATE.start_main_~i~4 52), 23940#(<= ULTIMATE.start_main_~i~4 54), 23941#(<= ULTIMATE.start_main_~i~4 56), 23942#(<= ULTIMATE.start_main_~i~4 58), 23943#(<= ULTIMATE.start_main_~i~4 60), 23944#(<= ULTIMATE.start_main_~i~4 62), 23945#(<= ULTIMATE.start_main_~i~4 64), 23946#(<= ULTIMATE.start_main_~i~4 66), 23947#(<= ULTIMATE.start_main_~i~4 68), 23948#(<= ULTIMATE.start_main_~i~4 70), 23949#(<= ULTIMATE.start_main_~i~4 72), 23950#(<= ULTIMATE.start_main_~i~4 74), 23951#(<= ULTIMATE.start_main_~i~4 76), 23952#(<= ULTIMATE.start_main_~i~4 78), 23953#(<= ULTIMATE.start_main_~i~4 80), 23954#(<= ULTIMATE.start_main_~i~4 82), 23955#(<= ULTIMATE.start_main_~i~4 84), 23956#(<= ULTIMATE.start_main_~i~4 86), 23957#(<= ULTIMATE.start_main_~i~4 88), 23958#(<= ULTIMATE.start_main_~i~4 90), 23959#(<= ULTIMATE.start_main_~i~4 92), 23960#(<= ULTIMATE.start_main_~i~4 94), 23961#(<= ULTIMATE.start_main_~i~4 96), 23962#(<= ULTIMATE.start_main_~i~4 98), 23963#(<= ULTIMATE.start_main_~i~4 100), 23964#(<= ULTIMATE.start_main_~i~4 102), 23965#(<= ULTIMATE.start_main_~i~4 104), 23966#(<= ULTIMATE.start_main_~i~4 106), 23967#(<= ULTIMATE.start_main_~i~4 108), 23968#(<= ULTIMATE.start_main_~i~4 110), 23969#(<= ULTIMATE.start_main_~i~4 112), 23970#(<= ULTIMATE.start_main_~i~4 114), 23971#(<= ULTIMATE.start_main_~i~4 116), 23972#(<= ULTIMATE.start_main_~i~4 118), 23973#(<= ULTIMATE.start_main_~i~4 120), 23974#(<= ULTIMATE.start_main_~i~4 122), 23975#(<= ULTIMATE.start_main_~i~4 124), 23976#(<= ULTIMATE.start_main_~i~4 126), 23977#(<= ULTIMATE.start_main_~i~4 128), 23978#(<= ULTIMATE.start_main_~i~4 130), 23979#(<= ULTIMATE.start_main_~i~4 132), 23980#(<= ULTIMATE.start_main_~i~4 134), 23981#(<= ULTIMATE.start_main_~i~4 136), 23982#(<= ULTIMATE.start_main_~i~4 138), 23983#(<= ULTIMATE.start_main_~i~4 140), 23984#(<= ULTIMATE.start_main_~i~4 142), 23985#(<= ULTIMATE.start_main_~i~4 144), 23986#(<= ULTIMATE.start_main_~i~4 146), 23987#(<= ULTIMATE.start_main_~i~4 148), 23988#(<= ULTIMATE.start_main_~i~4 150), 23989#(<= ULTIMATE.start_main_~i~4 152), 23990#(<= ULTIMATE.start_main_~i~4 154), 23991#(<= ULTIMATE.start_main_~i~4 156), 23992#(<= ULTIMATE.start_main_~i~4 158), 23993#(<= ULTIMATE.start_main_~i~4 160), 23994#(<= ULTIMATE.start_main_~i~4 162), 23995#(<= ULTIMATE.start_main_~i~4 164), 23996#(<= ULTIMATE.start_main_~i~4 166), 23997#(<= ULTIMATE.start_main_~i~4 168), 23998#(<= ULTIMATE.start_main_~i~4 170), 23999#(<= ULTIMATE.start_main_~i~4 172), 24000#(<= ULTIMATE.start_main_~i~4 174), 24001#(<= ULTIMATE.start_main_~i~4 176), 24002#(<= ULTIMATE.start_main_~i~4 178), 24003#(<= ULTIMATE.start_main_~i~4 180), 24004#(<= ULTIMATE.start_main_~i~4 182), 24005#(<= ULTIMATE.start_main_~i~4 184), 24006#(<= ULTIMATE.start_main_~i~4 186), 23911#true, 23912#false, 23913#(<= ULTIMATE.start_main_~i~4 0), 23914#(<= ULTIMATE.start_main_~i~4 2), 23915#(<= ULTIMATE.start_main_~i~4 4), 23916#(<= ULTIMATE.start_main_~i~4 6), 23917#(<= ULTIMATE.start_main_~i~4 8), 23918#(<= ULTIMATE.start_main_~i~4 10), 23919#(<= ULTIMATE.start_main_~i~4 12), 23920#(<= ULTIMATE.start_main_~i~4 14), 23921#(<= ULTIMATE.start_main_~i~4 16), 23922#(<= ULTIMATE.start_main_~i~4 18), 23923#(<= ULTIMATE.start_main_~i~4 20), 23924#(<= ULTIMATE.start_main_~i~4 22), 23925#(<= ULTIMATE.start_main_~i~4 24), 23926#(<= ULTIMATE.start_main_~i~4 26), 23927#(<= ULTIMATE.start_main_~i~4 28), 23928#(<= ULTIMATE.start_main_~i~4 30), 23929#(<= ULTIMATE.start_main_~i~4 32), 23930#(<= ULTIMATE.start_main_~i~4 34), 23931#(<= ULTIMATE.start_main_~i~4 36), 23932#(<= ULTIMATE.start_main_~i~4 38), 23933#(<= ULTIMATE.start_main_~i~4 40), 23934#(<= ULTIMATE.start_main_~i~4 42), 23935#(<= ULTIMATE.start_main_~i~4 44)] [2018-07-23 13:37:50,299 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 13:37:50,299 INFO L450 AbstractCegarLoop]: Interpolant automaton has 96 states [2018-07-23 13:37:50,300 INFO L132 InterpolantAutomaton]: Constructing interpolant automaton starting with 96 interpolants. [2018-07-23 13:37:50,301 INFO L133 InterpolantAutomaton]: CoverageRelationStatistics Valid=4560, Invalid=4560, Unknown=0, NotChecked=0, Total=9120 [2018-07-23 13:37:50,301 INFO L87 Difference]: Start difference. First operand 97 states and 97 transitions. Second operand 96 states. [2018-07-23 13:37:50,396 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2018-07-23 13:37:50,396 INFO L93 Difference]: Finished difference Result 100 states and 100 transitions. [2018-07-23 13:37:50,396 INFO L142 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 96 states. [2018-07-23 13:37:50,396 INFO L78 Accepts]: Start accepts. Automaton has 96 states. Word has length 96 [2018-07-23 13:37:50,397 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2018-07-23 13:37:50,397 INFO L225 Difference]: With dead ends: 100 [2018-07-23 13:37:50,397 INFO L226 Difference]: Without dead ends: 98 [2018-07-23 13:37:50,398 INFO L575 BasicCegarLoop]: 0 DeclaredPredicates, 95 GetRequests, 1 SyntacticMatches, 0 SemanticMatches, 94 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 0 ImplicationChecksByTransitivity, 0.3s TimeCoverageRelationStatistics Valid=4560, Invalid=4560, Unknown=0, NotChecked=0, Total=9120 [2018-07-23 13:37:50,398 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 98 states. [2018-07-23 13:37:50,400 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 98 to 98. [2018-07-23 13:37:50,400 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 98 states. [2018-07-23 13:37:50,400 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 98 states to 98 states and 98 transitions. [2018-07-23 13:37:50,400 INFO L78 Accepts]: Start accepts. Automaton has 98 states and 98 transitions. Word has length 96 [2018-07-23 13:37:50,400 INFO L84 Accepts]: Finished accepts. word is rejected. [2018-07-23 13:37:50,400 INFO L471 AbstractCegarLoop]: Abstraction has 98 states and 98 transitions. [2018-07-23 13:37:50,401 INFO L472 AbstractCegarLoop]: Interpolant automaton has 96 states. [2018-07-23 13:37:50,401 INFO L276 IsEmpty]: Start isEmpty. Operand 98 states and 98 transitions. [2018-07-23 13:37:50,401 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 98 [2018-07-23 13:37:50,401 INFO L349 BasicCegarLoop]: Found error trace [2018-07-23 13:37:50,401 INFO L357 BasicCegarLoop]: trace histogram [94, 1, 1, 1] [2018-07-23 13:37:50,401 INFO L414 AbstractCegarLoop]: === Iteration 95 === [ULTIMATE.startErr0AssertViolationASSERT]=== [2018-07-23 13:37:50,401 INFO L82 PathProgramCache]: Analyzing trace with hash -819778975, now seen corresponding path program 94 times [2018-07-23 13:37:50,402 INFO L69 tionRefinementEngine]: Using refinement strategy FixedRefinementStrategy [2018-07-23 13:37:50,431 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-07-23 13:37:50,661 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 13:37:50,661 INFO L309 seRefinementStrategy]: Constructing automaton from 0 perfect and 1 imperfect interpolant sequences. [2018-07-23 13:37:50,661 INFO L324 seRefinementStrategy]: Number of different interpolants: perfect sequences [] imperfect sequences [96] total 96 [2018-07-23 13:37:50,661 INFO L142 lantAutomatonBuilder]: Constructing canonical interpolant automaton, with selfloop in false state [2018-07-23 13:37:50,661 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2018-07-23 13:37:50,662 INFO L185 omatonBuilderFactory]: Interpolants [24403#true, 24404#false, 24405#(<= ULTIMATE.start_main_~i~4 0), 24406#(<= ULTIMATE.start_main_~i~4 2), 24407#(<= ULTIMATE.start_main_~i~4 4), 24408#(<= ULTIMATE.start_main_~i~4 6), 24409#(<= ULTIMATE.start_main_~i~4 8), 24410#(<= ULTIMATE.start_main_~i~4 10), 24411#(<= ULTIMATE.start_main_~i~4 12), 24412#(<= ULTIMATE.start_main_~i~4 14), 24413#(<= ULTIMATE.start_main_~i~4 16), 24414#(<= ULTIMATE.start_main_~i~4 18), 24415#(<= ULTIMATE.start_main_~i~4 20), 24416#(<= ULTIMATE.start_main_~i~4 22), 24417#(<= ULTIMATE.start_main_~i~4 24), 24418#(<= ULTIMATE.start_main_~i~4 26), 24419#(<= ULTIMATE.start_main_~i~4 28), 24420#(<= ULTIMATE.start_main_~i~4 30), 24421#(<= ULTIMATE.start_main_~i~4 32), 24422#(<= ULTIMATE.start_main_~i~4 34), 24423#(<= ULTIMATE.start_main_~i~4 36), 24424#(<= ULTIMATE.start_main_~i~4 38), 24425#(<= ULTIMATE.start_main_~i~4 40), 24426#(<= ULTIMATE.start_main_~i~4 42), 24427#(<= ULTIMATE.start_main_~i~4 44), 24428#(<= ULTIMATE.start_main_~i~4 46), 24429#(<= ULTIMATE.start_main_~i~4 48), 24430#(<= ULTIMATE.start_main_~i~4 50), 24431#(<= ULTIMATE.start_main_~i~4 52), 24432#(<= ULTIMATE.start_main_~i~4 54), 24433#(<= ULTIMATE.start_main_~i~4 56), 24434#(<= ULTIMATE.start_main_~i~4 58), 24435#(<= ULTIMATE.start_main_~i~4 60), 24436#(<= ULTIMATE.start_main_~i~4 62), 24437#(<= ULTIMATE.start_main_~i~4 64), 24438#(<= ULTIMATE.start_main_~i~4 66), 24439#(<= ULTIMATE.start_main_~i~4 68), 24440#(<= ULTIMATE.start_main_~i~4 70), 24441#(<= ULTIMATE.start_main_~i~4 72), 24442#(<= ULTIMATE.start_main_~i~4 74), 24443#(<= ULTIMATE.start_main_~i~4 76), 24444#(<= ULTIMATE.start_main_~i~4 78), 24445#(<= ULTIMATE.start_main_~i~4 80), 24446#(<= ULTIMATE.start_main_~i~4 82), 24447#(<= ULTIMATE.start_main_~i~4 84), 24448#(<= ULTIMATE.start_main_~i~4 86), 24449#(<= ULTIMATE.start_main_~i~4 88), 24450#(<= ULTIMATE.start_main_~i~4 90), 24451#(<= ULTIMATE.start_main_~i~4 92), 24452#(<= ULTIMATE.start_main_~i~4 94), 24453#(<= ULTIMATE.start_main_~i~4 96), 24454#(<= ULTIMATE.start_main_~i~4 98), 24455#(<= ULTIMATE.start_main_~i~4 100), 24456#(<= ULTIMATE.start_main_~i~4 102), 24457#(<= ULTIMATE.start_main_~i~4 104), 24458#(<= ULTIMATE.start_main_~i~4 106), 24459#(<= ULTIMATE.start_main_~i~4 108), 24460#(<= ULTIMATE.start_main_~i~4 110), 24461#(<= ULTIMATE.start_main_~i~4 112), 24462#(<= ULTIMATE.start_main_~i~4 114), 24463#(<= ULTIMATE.start_main_~i~4 116), 24464#(<= ULTIMATE.start_main_~i~4 118), 24465#(<= ULTIMATE.start_main_~i~4 120), 24466#(<= ULTIMATE.start_main_~i~4 122), 24467#(<= ULTIMATE.start_main_~i~4 124), 24468#(<= ULTIMATE.start_main_~i~4 126), 24469#(<= ULTIMATE.start_main_~i~4 128), 24470#(<= ULTIMATE.start_main_~i~4 130), 24471#(<= ULTIMATE.start_main_~i~4 132), 24472#(<= ULTIMATE.start_main_~i~4 134), 24473#(<= ULTIMATE.start_main_~i~4 136), 24474#(<= ULTIMATE.start_main_~i~4 138), 24475#(<= ULTIMATE.start_main_~i~4 140), 24476#(<= ULTIMATE.start_main_~i~4 142), 24477#(<= ULTIMATE.start_main_~i~4 144), 24478#(<= ULTIMATE.start_main_~i~4 146), 24479#(<= ULTIMATE.start_main_~i~4 148), 24480#(<= ULTIMATE.start_main_~i~4 150), 24481#(<= ULTIMATE.start_main_~i~4 152), 24482#(<= ULTIMATE.start_main_~i~4 154), 24483#(<= ULTIMATE.start_main_~i~4 156), 24484#(<= ULTIMATE.start_main_~i~4 158), 24485#(<= ULTIMATE.start_main_~i~4 160), 24486#(<= ULTIMATE.start_main_~i~4 162), 24487#(<= ULTIMATE.start_main_~i~4 164), 24488#(<= ULTIMATE.start_main_~i~4 166), 24489#(<= ULTIMATE.start_main_~i~4 168), 24490#(<= ULTIMATE.start_main_~i~4 170), 24491#(<= ULTIMATE.start_main_~i~4 172), 24492#(<= ULTIMATE.start_main_~i~4 174), 24493#(<= ULTIMATE.start_main_~i~4 176), 24494#(<= ULTIMATE.start_main_~i~4 178), 24495#(<= ULTIMATE.start_main_~i~4 180), 24496#(<= ULTIMATE.start_main_~i~4 182), 24497#(<= ULTIMATE.start_main_~i~4 184), 24498#(<= ULTIMATE.start_main_~i~4 186), 24499#(<= ULTIMATE.start_main_~i~4 188)] [2018-07-23 13:37:50,662 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 13:37:50,662 INFO L450 AbstractCegarLoop]: Interpolant automaton has 97 states [2018-07-23 13:37:50,663 INFO L132 InterpolantAutomaton]: Constructing interpolant automaton starting with 97 interpolants. [2018-07-23 13:37:50,663 INFO L133 InterpolantAutomaton]: CoverageRelationStatistics Valid=4656, Invalid=4656, Unknown=0, NotChecked=0, Total=9312 [2018-07-23 13:37:50,663 INFO L87 Difference]: Start difference. First operand 98 states and 98 transitions. Second operand 97 states. [2018-07-23 13:37:50,699 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2018-07-23 13:37:50,699 INFO L93 Difference]: Finished difference Result 101 states and 101 transitions. [2018-07-23 13:37:50,699 INFO L142 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 97 states. [2018-07-23 13:37:50,699 INFO L78 Accepts]: Start accepts. Automaton has 97 states. Word has length 97 [2018-07-23 13:37:50,699 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2018-07-23 13:37:50,700 INFO L225 Difference]: With dead ends: 101 [2018-07-23 13:37:50,700 INFO L226 Difference]: Without dead ends: 99 [2018-07-23 13:37:50,701 INFO L575 BasicCegarLoop]: 0 DeclaredPredicates, 96 GetRequests, 1 SyntacticMatches, 0 SemanticMatches, 95 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 0 ImplicationChecksByTransitivity, 0.1s TimeCoverageRelationStatistics Valid=4656, Invalid=4656, Unknown=0, NotChecked=0, Total=9312 [2018-07-23 13:37:50,701 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 99 states. [2018-07-23 13:37:50,703 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 99 to 99. [2018-07-23 13:37:50,703 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 99 states. [2018-07-23 13:37:50,703 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 99 states to 99 states and 99 transitions. [2018-07-23 13:37:50,704 INFO L78 Accepts]: Start accepts. Automaton has 99 states and 99 transitions. Word has length 97 [2018-07-23 13:37:50,704 INFO L84 Accepts]: Finished accepts. word is rejected. [2018-07-23 13:37:50,704 INFO L471 AbstractCegarLoop]: Abstraction has 99 states and 99 transitions. [2018-07-23 13:37:50,704 INFO L472 AbstractCegarLoop]: Interpolant automaton has 97 states. [2018-07-23 13:37:50,704 INFO L276 IsEmpty]: Start isEmpty. Operand 99 states and 99 transitions. [2018-07-23 13:37:50,704 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 99 [2018-07-23 13:37:50,705 INFO L349 BasicCegarLoop]: Found error trace [2018-07-23 13:37:50,705 INFO L357 BasicCegarLoop]: trace histogram [95, 1, 1, 1] [2018-07-23 13:37:50,705 INFO L414 AbstractCegarLoop]: === Iteration 96 === [ULTIMATE.startErr0AssertViolationASSERT]=== [2018-07-23 13:37:50,705 INFO L82 PathProgramCache]: Analyzing trace with hash 356653576, now seen corresponding path program 95 times [2018-07-23 13:37:50,705 INFO L69 tionRefinementEngine]: Using refinement strategy FixedRefinementStrategy [2018-07-23 13:37:50,736 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-07-23 13:37:51,082 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 13:37:51,082 INFO L309 seRefinementStrategy]: Constructing automaton from 0 perfect and 1 imperfect interpolant sequences. [2018-07-23 13:37:51,082 INFO L324 seRefinementStrategy]: Number of different interpolants: perfect sequences [] imperfect sequences [97] total 97 [2018-07-23 13:37:51,083 INFO L142 lantAutomatonBuilder]: Constructing canonical interpolant automaton, with selfloop in false state [2018-07-23 13:37:51,083 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 13:37:51,083 INFO L185 omatonBuilderFactory]: Interpolants [24900#true, 24901#false, 24902#(<= ULTIMATE.start_main_~i~4 0), 24903#(<= ULTIMATE.start_main_~i~4 2), 24904#(<= ULTIMATE.start_main_~i~4 4), 24905#(<= ULTIMATE.start_main_~i~4 6), 24906#(<= ULTIMATE.start_main_~i~4 8), 24907#(<= ULTIMATE.start_main_~i~4 10), 24908#(<= ULTIMATE.start_main_~i~4 12), 24909#(<= ULTIMATE.start_main_~i~4 14), 24910#(<= ULTIMATE.start_main_~i~4 16), 24911#(<= ULTIMATE.start_main_~i~4 18), 24912#(<= ULTIMATE.start_main_~i~4 20), 24913#(<= ULTIMATE.start_main_~i~4 22), 24914#(<= ULTIMATE.start_main_~i~4 24), 24915#(<= ULTIMATE.start_main_~i~4 26), 24916#(<= ULTIMATE.start_main_~i~4 28), 24917#(<= ULTIMATE.start_main_~i~4 30), 24918#(<= ULTIMATE.start_main_~i~4 32), 24919#(<= ULTIMATE.start_main_~i~4 34), 24920#(<= ULTIMATE.start_main_~i~4 36), 24921#(<= ULTIMATE.start_main_~i~4 38), 24922#(<= ULTIMATE.start_main_~i~4 40), 24923#(<= ULTIMATE.start_main_~i~4 42), 24924#(<= ULTIMATE.start_main_~i~4 44), 24925#(<= ULTIMATE.start_main_~i~4 46), 24926#(<= ULTIMATE.start_main_~i~4 48), 24927#(<= ULTIMATE.start_main_~i~4 50), 24928#(<= ULTIMATE.start_main_~i~4 52), 24929#(<= ULTIMATE.start_main_~i~4 54), 24930#(<= ULTIMATE.start_main_~i~4 56), 24931#(<= ULTIMATE.start_main_~i~4 58), 24932#(<= ULTIMATE.start_main_~i~4 60), 24933#(<= ULTIMATE.start_main_~i~4 62), 24934#(<= ULTIMATE.start_main_~i~4 64), 24935#(<= ULTIMATE.start_main_~i~4 66), 24936#(<= ULTIMATE.start_main_~i~4 68), 24937#(<= ULTIMATE.start_main_~i~4 70), 24938#(<= ULTIMATE.start_main_~i~4 72), 24939#(<= ULTIMATE.start_main_~i~4 74), 24940#(<= ULTIMATE.start_main_~i~4 76), 24941#(<= ULTIMATE.start_main_~i~4 78), 24942#(<= ULTIMATE.start_main_~i~4 80), 24943#(<= ULTIMATE.start_main_~i~4 82), 24944#(<= ULTIMATE.start_main_~i~4 84), 24945#(<= ULTIMATE.start_main_~i~4 86), 24946#(<= ULTIMATE.start_main_~i~4 88), 24947#(<= ULTIMATE.start_main_~i~4 90), 24948#(<= ULTIMATE.start_main_~i~4 92), 24949#(<= ULTIMATE.start_main_~i~4 94), 24950#(<= ULTIMATE.start_main_~i~4 96), 24951#(<= ULTIMATE.start_main_~i~4 98), 24952#(<= ULTIMATE.start_main_~i~4 100), 24953#(<= ULTIMATE.start_main_~i~4 102), 24954#(<= ULTIMATE.start_main_~i~4 104), 24955#(<= ULTIMATE.start_main_~i~4 106), 24956#(<= ULTIMATE.start_main_~i~4 108), 24957#(<= ULTIMATE.start_main_~i~4 110), 24958#(<= ULTIMATE.start_main_~i~4 112), 24959#(<= ULTIMATE.start_main_~i~4 114), 24960#(<= ULTIMATE.start_main_~i~4 116), 24961#(<= ULTIMATE.start_main_~i~4 118), 24962#(<= ULTIMATE.start_main_~i~4 120), 24963#(<= ULTIMATE.start_main_~i~4 122), 24964#(<= ULTIMATE.start_main_~i~4 124), 24965#(<= ULTIMATE.start_main_~i~4 126), 24966#(<= ULTIMATE.start_main_~i~4 128), 24967#(<= ULTIMATE.start_main_~i~4 130), 24968#(<= ULTIMATE.start_main_~i~4 132), 24969#(<= ULTIMATE.start_main_~i~4 134), 24970#(<= ULTIMATE.start_main_~i~4 136), 24971#(<= ULTIMATE.start_main_~i~4 138), 24972#(<= ULTIMATE.start_main_~i~4 140), 24973#(<= ULTIMATE.start_main_~i~4 142), 24974#(<= ULTIMATE.start_main_~i~4 144), 24975#(<= ULTIMATE.start_main_~i~4 146), 24976#(<= ULTIMATE.start_main_~i~4 148), 24977#(<= ULTIMATE.start_main_~i~4 150), 24978#(<= ULTIMATE.start_main_~i~4 152), 24979#(<= ULTIMATE.start_main_~i~4 154), 24980#(<= ULTIMATE.start_main_~i~4 156), 24981#(<= ULTIMATE.start_main_~i~4 158), 24982#(<= ULTIMATE.start_main_~i~4 160), 24983#(<= ULTIMATE.start_main_~i~4 162), 24984#(<= ULTIMATE.start_main_~i~4 164), 24985#(<= ULTIMATE.start_main_~i~4 166), 24986#(<= ULTIMATE.start_main_~i~4 168), 24987#(<= ULTIMATE.start_main_~i~4 170), 24988#(<= ULTIMATE.start_main_~i~4 172), 24989#(<= ULTIMATE.start_main_~i~4 174), 24990#(<= ULTIMATE.start_main_~i~4 176), 24991#(<= ULTIMATE.start_main_~i~4 178), 24992#(<= ULTIMATE.start_main_~i~4 180), 24993#(<= ULTIMATE.start_main_~i~4 182), 24994#(<= ULTIMATE.start_main_~i~4 184), 24995#(<= ULTIMATE.start_main_~i~4 186), 24996#(<= ULTIMATE.start_main_~i~4 188), 24997#(<= ULTIMATE.start_main_~i~4 190)] [2018-07-23 13:37:51,084 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 13:37:51,084 INFO L450 AbstractCegarLoop]: Interpolant automaton has 98 states [2018-07-23 13:37:51,085 INFO L132 InterpolantAutomaton]: Constructing interpolant automaton starting with 98 interpolants. [2018-07-23 13:37:51,086 INFO L133 InterpolantAutomaton]: CoverageRelationStatistics Valid=4753, Invalid=4753, Unknown=0, NotChecked=0, Total=9506 [2018-07-23 13:37:51,086 INFO L87 Difference]: Start difference. First operand 99 states and 99 transitions. Second operand 98 states. [2018-07-23 13:37:51,151 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2018-07-23 13:37:51,151 INFO L93 Difference]: Finished difference Result 102 states and 102 transitions. [2018-07-23 13:37:51,151 INFO L142 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 98 states. [2018-07-23 13:37:51,151 INFO L78 Accepts]: Start accepts. Automaton has 98 states. Word has length 98 [2018-07-23 13:37:51,152 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2018-07-23 13:37:51,153 INFO L225 Difference]: With dead ends: 102 [2018-07-23 13:37:51,153 INFO L226 Difference]: Without dead ends: 100 [2018-07-23 13:37:51,154 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 13:37:51,154 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 100 states. [2018-07-23 13:37:51,157 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 100 to 100. [2018-07-23 13:37:51,157 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 100 states. [2018-07-23 13:37:51,157 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 100 states to 100 states and 100 transitions. [2018-07-23 13:37:51,157 INFO L78 Accepts]: Start accepts. Automaton has 100 states and 100 transitions. Word has length 98 [2018-07-23 13:37:51,158 INFO L84 Accepts]: Finished accepts. word is rejected. [2018-07-23 13:37:51,158 INFO L471 AbstractCegarLoop]: Abstraction has 100 states and 100 transitions. [2018-07-23 13:37:51,158 INFO L472 AbstractCegarLoop]: Interpolant automaton has 98 states. [2018-07-23 13:37:51,158 INFO L276 IsEmpty]: Start isEmpty. Operand 100 states and 100 transitions. [2018-07-23 13:37:51,161 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 100 [2018-07-23 13:37:51,162 INFO L349 BasicCegarLoop]: Found error trace [2018-07-23 13:37:51,162 INFO L357 BasicCegarLoop]: trace histogram [96, 1, 1, 1] [2018-07-23 13:37:51,162 INFO L414 AbstractCegarLoop]: === Iteration 97 === [ULTIMATE.startErr0AssertViolationASSERT]=== [2018-07-23 13:37:51,162 INFO L82 PathProgramCache]: Analyzing trace with hash -1828643007, now seen corresponding path program 96 times [2018-07-23 13:37:51,162 INFO L69 tionRefinementEngine]: Using refinement strategy FixedRefinementStrategy [2018-07-23 13:37:51,200 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-07-23 13:37:51,556 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 13:37:51,557 INFO L309 seRefinementStrategy]: Constructing automaton from 0 perfect and 1 imperfect interpolant sequences. [2018-07-23 13:37:51,557 INFO L324 seRefinementStrategy]: Number of different interpolants: perfect sequences [] imperfect sequences [98] total 98 [2018-07-23 13:37:51,557 INFO L142 lantAutomatonBuilder]: Constructing canonical interpolant automaton, with selfloop in false state [2018-07-23 13:37:51,557 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2018-07-23 13:37:51,558 INFO L185 omatonBuilderFactory]: Interpolants [25402#true, 25403#false, 25404#(<= ULTIMATE.start_main_~i~4 0), 25405#(<= ULTIMATE.start_main_~i~4 2), 25406#(<= ULTIMATE.start_main_~i~4 4), 25407#(<= ULTIMATE.start_main_~i~4 6), 25408#(<= ULTIMATE.start_main_~i~4 8), 25409#(<= ULTIMATE.start_main_~i~4 10), 25410#(<= ULTIMATE.start_main_~i~4 12), 25411#(<= ULTIMATE.start_main_~i~4 14), 25412#(<= ULTIMATE.start_main_~i~4 16), 25413#(<= ULTIMATE.start_main_~i~4 18), 25414#(<= ULTIMATE.start_main_~i~4 20), 25415#(<= ULTIMATE.start_main_~i~4 22), 25416#(<= ULTIMATE.start_main_~i~4 24), 25417#(<= ULTIMATE.start_main_~i~4 26), 25418#(<= ULTIMATE.start_main_~i~4 28), 25419#(<= ULTIMATE.start_main_~i~4 30), 25420#(<= ULTIMATE.start_main_~i~4 32), 25421#(<= ULTIMATE.start_main_~i~4 34), 25422#(<= ULTIMATE.start_main_~i~4 36), 25423#(<= ULTIMATE.start_main_~i~4 38), 25424#(<= ULTIMATE.start_main_~i~4 40), 25425#(<= ULTIMATE.start_main_~i~4 42), 25426#(<= ULTIMATE.start_main_~i~4 44), 25427#(<= ULTIMATE.start_main_~i~4 46), 25428#(<= ULTIMATE.start_main_~i~4 48), 25429#(<= ULTIMATE.start_main_~i~4 50), 25430#(<= ULTIMATE.start_main_~i~4 52), 25431#(<= ULTIMATE.start_main_~i~4 54), 25432#(<= ULTIMATE.start_main_~i~4 56), 25433#(<= ULTIMATE.start_main_~i~4 58), 25434#(<= ULTIMATE.start_main_~i~4 60), 25435#(<= ULTIMATE.start_main_~i~4 62), 25436#(<= ULTIMATE.start_main_~i~4 64), 25437#(<= ULTIMATE.start_main_~i~4 66), 25438#(<= ULTIMATE.start_main_~i~4 68), 25439#(<= ULTIMATE.start_main_~i~4 70), 25440#(<= ULTIMATE.start_main_~i~4 72), 25441#(<= ULTIMATE.start_main_~i~4 74), 25442#(<= ULTIMATE.start_main_~i~4 76), 25443#(<= ULTIMATE.start_main_~i~4 78), 25444#(<= ULTIMATE.start_main_~i~4 80), 25445#(<= ULTIMATE.start_main_~i~4 82), 25446#(<= ULTIMATE.start_main_~i~4 84), 25447#(<= ULTIMATE.start_main_~i~4 86), 25448#(<= ULTIMATE.start_main_~i~4 88), 25449#(<= ULTIMATE.start_main_~i~4 90), 25450#(<= ULTIMATE.start_main_~i~4 92), 25451#(<= ULTIMATE.start_main_~i~4 94), 25452#(<= ULTIMATE.start_main_~i~4 96), 25453#(<= ULTIMATE.start_main_~i~4 98), 25454#(<= ULTIMATE.start_main_~i~4 100), 25455#(<= ULTIMATE.start_main_~i~4 102), 25456#(<= ULTIMATE.start_main_~i~4 104), 25457#(<= ULTIMATE.start_main_~i~4 106), 25458#(<= ULTIMATE.start_main_~i~4 108), 25459#(<= ULTIMATE.start_main_~i~4 110), 25460#(<= ULTIMATE.start_main_~i~4 112), 25461#(<= ULTIMATE.start_main_~i~4 114), 25462#(<= ULTIMATE.start_main_~i~4 116), 25463#(<= ULTIMATE.start_main_~i~4 118), 25464#(<= ULTIMATE.start_main_~i~4 120), 25465#(<= ULTIMATE.start_main_~i~4 122), 25466#(<= ULTIMATE.start_main_~i~4 124), 25467#(<= ULTIMATE.start_main_~i~4 126), 25468#(<= ULTIMATE.start_main_~i~4 128), 25469#(<= ULTIMATE.start_main_~i~4 130), 25470#(<= ULTIMATE.start_main_~i~4 132), 25471#(<= ULTIMATE.start_main_~i~4 134), 25472#(<= ULTIMATE.start_main_~i~4 136), 25473#(<= ULTIMATE.start_main_~i~4 138), 25474#(<= ULTIMATE.start_main_~i~4 140), 25475#(<= ULTIMATE.start_main_~i~4 142), 25476#(<= ULTIMATE.start_main_~i~4 144), 25477#(<= ULTIMATE.start_main_~i~4 146), 25478#(<= ULTIMATE.start_main_~i~4 148), 25479#(<= ULTIMATE.start_main_~i~4 150), 25480#(<= ULTIMATE.start_main_~i~4 152), 25481#(<= ULTIMATE.start_main_~i~4 154), 25482#(<= ULTIMATE.start_main_~i~4 156), 25483#(<= ULTIMATE.start_main_~i~4 158), 25484#(<= ULTIMATE.start_main_~i~4 160), 25485#(<= ULTIMATE.start_main_~i~4 162), 25486#(<= ULTIMATE.start_main_~i~4 164), 25487#(<= ULTIMATE.start_main_~i~4 166), 25488#(<= ULTIMATE.start_main_~i~4 168), 25489#(<= ULTIMATE.start_main_~i~4 170), 25490#(<= ULTIMATE.start_main_~i~4 172), 25491#(<= ULTIMATE.start_main_~i~4 174), 25492#(<= ULTIMATE.start_main_~i~4 176), 25493#(<= ULTIMATE.start_main_~i~4 178), 25494#(<= ULTIMATE.start_main_~i~4 180), 25495#(<= ULTIMATE.start_main_~i~4 182), 25496#(<= ULTIMATE.start_main_~i~4 184), 25497#(<= ULTIMATE.start_main_~i~4 186), 25498#(<= ULTIMATE.start_main_~i~4 188), 25499#(<= ULTIMATE.start_main_~i~4 190), 25500#(<= ULTIMATE.start_main_~i~4 192)] [2018-07-23 13:37:51,558 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 13:37:51,559 INFO L450 AbstractCegarLoop]: Interpolant automaton has 99 states [2018-07-23 13:37:51,560 INFO L132 InterpolantAutomaton]: Constructing interpolant automaton starting with 99 interpolants. [2018-07-23 13:37:51,560 INFO L133 InterpolantAutomaton]: CoverageRelationStatistics Valid=4851, Invalid=4851, Unknown=0, NotChecked=0, Total=9702 [2018-07-23 13:37:51,560 INFO L87 Difference]: Start difference. First operand 100 states and 100 transitions. Second operand 99 states. [2018-07-23 13:37:51,639 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2018-07-23 13:37:51,639 INFO L93 Difference]: Finished difference Result 103 states and 103 transitions. [2018-07-23 13:37:51,640 INFO L142 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 99 states. [2018-07-23 13:37:51,640 INFO L78 Accepts]: Start accepts. Automaton has 99 states. Word has length 99 [2018-07-23 13:37:51,640 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2018-07-23 13:37:51,640 INFO L225 Difference]: With dead ends: 103 [2018-07-23 13:37:51,640 INFO L226 Difference]: Without dead ends: 101 [2018-07-23 13:37:51,641 INFO L575 BasicCegarLoop]: 0 DeclaredPredicates, 98 GetRequests, 1 SyntacticMatches, 0 SemanticMatches, 97 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 0 ImplicationChecksByTransitivity, 0.3s TimeCoverageRelationStatistics Valid=4851, Invalid=4851, Unknown=0, NotChecked=0, Total=9702 [2018-07-23 13:37:51,641 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 101 states. [2018-07-23 13:37:51,643 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 101 to 101. [2018-07-23 13:37:51,643 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 101 states. [2018-07-23 13:37:51,644 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 101 states to 101 states and 101 transitions. [2018-07-23 13:37:51,644 INFO L78 Accepts]: Start accepts. Automaton has 101 states and 101 transitions. Word has length 99 [2018-07-23 13:37:51,644 INFO L84 Accepts]: Finished accepts. word is rejected. [2018-07-23 13:37:51,644 INFO L471 AbstractCegarLoop]: Abstraction has 101 states and 101 transitions. [2018-07-23 13:37:51,644 INFO L472 AbstractCegarLoop]: Interpolant automaton has 99 states. [2018-07-23 13:37:51,644 INFO L276 IsEmpty]: Start isEmpty. Operand 101 states and 101 transitions. [2018-07-23 13:37:51,645 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 101 [2018-07-23 13:37:51,645 INFO L349 BasicCegarLoop]: Found error trace [2018-07-23 13:37:51,645 INFO L357 BasicCegarLoop]: trace histogram [97, 1, 1, 1] [2018-07-23 13:37:51,645 INFO L414 AbstractCegarLoop]: === Iteration 98 === [ULTIMATE.startErr0AssertViolationASSERT]=== [2018-07-23 13:37:51,645 INFO L82 PathProgramCache]: Analyzing trace with hash -853360344, now seen corresponding path program 97 times [2018-07-23 13:37:51,646 INFO L69 tionRefinementEngine]: Using refinement strategy FixedRefinementStrategy [2018-07-23 13:37:51,679 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-07-23 13:37:51,897 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 13:37:51,897 INFO L309 seRefinementStrategy]: Constructing automaton from 0 perfect and 1 imperfect interpolant sequences. [2018-07-23 13:37:51,898 INFO L324 seRefinementStrategy]: Number of different interpolants: perfect sequences [] imperfect sequences [99] total 99 [2018-07-23 13:37:51,898 INFO L142 lantAutomatonBuilder]: Constructing canonical interpolant automaton, with selfloop in false state [2018-07-23 13:37:51,898 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2018-07-23 13:37:51,898 INFO L185 omatonBuilderFactory]: Interpolants [25909#true, 25910#false, 25911#(<= ULTIMATE.start_main_~i~4 0), 25912#(<= ULTIMATE.start_main_~i~4 2), 25913#(<= ULTIMATE.start_main_~i~4 4), 25914#(<= ULTIMATE.start_main_~i~4 6), 25915#(<= ULTIMATE.start_main_~i~4 8), 25916#(<= ULTIMATE.start_main_~i~4 10), 25917#(<= ULTIMATE.start_main_~i~4 12), 25918#(<= ULTIMATE.start_main_~i~4 14), 25919#(<= ULTIMATE.start_main_~i~4 16), 25920#(<= ULTIMATE.start_main_~i~4 18), 25921#(<= ULTIMATE.start_main_~i~4 20), 25922#(<= ULTIMATE.start_main_~i~4 22), 25923#(<= ULTIMATE.start_main_~i~4 24), 25924#(<= ULTIMATE.start_main_~i~4 26), 25925#(<= ULTIMATE.start_main_~i~4 28), 25926#(<= ULTIMATE.start_main_~i~4 30), 25927#(<= ULTIMATE.start_main_~i~4 32), 25928#(<= ULTIMATE.start_main_~i~4 34), 25929#(<= ULTIMATE.start_main_~i~4 36), 25930#(<= ULTIMATE.start_main_~i~4 38), 25931#(<= ULTIMATE.start_main_~i~4 40), 25932#(<= ULTIMATE.start_main_~i~4 42), 25933#(<= ULTIMATE.start_main_~i~4 44), 25934#(<= ULTIMATE.start_main_~i~4 46), 25935#(<= ULTIMATE.start_main_~i~4 48), 25936#(<= ULTIMATE.start_main_~i~4 50), 25937#(<= ULTIMATE.start_main_~i~4 52), 25938#(<= ULTIMATE.start_main_~i~4 54), 25939#(<= ULTIMATE.start_main_~i~4 56), 25940#(<= ULTIMATE.start_main_~i~4 58), 25941#(<= ULTIMATE.start_main_~i~4 60), 25942#(<= ULTIMATE.start_main_~i~4 62), 25943#(<= ULTIMATE.start_main_~i~4 64), 25944#(<= ULTIMATE.start_main_~i~4 66), 25945#(<= ULTIMATE.start_main_~i~4 68), 25946#(<= ULTIMATE.start_main_~i~4 70), 25947#(<= ULTIMATE.start_main_~i~4 72), 25948#(<= ULTIMATE.start_main_~i~4 74), 25949#(<= ULTIMATE.start_main_~i~4 76), 25950#(<= ULTIMATE.start_main_~i~4 78), 25951#(<= ULTIMATE.start_main_~i~4 80), 25952#(<= ULTIMATE.start_main_~i~4 82), 25953#(<= ULTIMATE.start_main_~i~4 84), 25954#(<= ULTIMATE.start_main_~i~4 86), 25955#(<= ULTIMATE.start_main_~i~4 88), 25956#(<= ULTIMATE.start_main_~i~4 90), 25957#(<= ULTIMATE.start_main_~i~4 92), 25958#(<= ULTIMATE.start_main_~i~4 94), 25959#(<= ULTIMATE.start_main_~i~4 96), 25960#(<= ULTIMATE.start_main_~i~4 98), 25961#(<= ULTIMATE.start_main_~i~4 100), 25962#(<= ULTIMATE.start_main_~i~4 102), 25963#(<= ULTIMATE.start_main_~i~4 104), 25964#(<= ULTIMATE.start_main_~i~4 106), 25965#(<= ULTIMATE.start_main_~i~4 108), 25966#(<= ULTIMATE.start_main_~i~4 110), 25967#(<= ULTIMATE.start_main_~i~4 112), 25968#(<= ULTIMATE.start_main_~i~4 114), 25969#(<= ULTIMATE.start_main_~i~4 116), 25970#(<= ULTIMATE.start_main_~i~4 118), 25971#(<= ULTIMATE.start_main_~i~4 120), 25972#(<= ULTIMATE.start_main_~i~4 122), 25973#(<= ULTIMATE.start_main_~i~4 124), 25974#(<= ULTIMATE.start_main_~i~4 126), 25975#(<= ULTIMATE.start_main_~i~4 128), 25976#(<= ULTIMATE.start_main_~i~4 130), 25977#(<= ULTIMATE.start_main_~i~4 132), 25978#(<= ULTIMATE.start_main_~i~4 134), 25979#(<= ULTIMATE.start_main_~i~4 136), 25980#(<= ULTIMATE.start_main_~i~4 138), 25981#(<= ULTIMATE.start_main_~i~4 140), 25982#(<= ULTIMATE.start_main_~i~4 142), 25983#(<= ULTIMATE.start_main_~i~4 144), 25984#(<= ULTIMATE.start_main_~i~4 146), 25985#(<= ULTIMATE.start_main_~i~4 148), 25986#(<= ULTIMATE.start_main_~i~4 150), 25987#(<= ULTIMATE.start_main_~i~4 152), 25988#(<= ULTIMATE.start_main_~i~4 154), 25989#(<= ULTIMATE.start_main_~i~4 156), 25990#(<= ULTIMATE.start_main_~i~4 158), 25991#(<= ULTIMATE.start_main_~i~4 160), 25992#(<= ULTIMATE.start_main_~i~4 162), 25993#(<= ULTIMATE.start_main_~i~4 164), 25994#(<= ULTIMATE.start_main_~i~4 166), 25995#(<= ULTIMATE.start_main_~i~4 168), 25996#(<= ULTIMATE.start_main_~i~4 170), 25997#(<= ULTIMATE.start_main_~i~4 172), 25998#(<= ULTIMATE.start_main_~i~4 174), 25999#(<= ULTIMATE.start_main_~i~4 176), 26000#(<= ULTIMATE.start_main_~i~4 178), 26001#(<= ULTIMATE.start_main_~i~4 180), 26002#(<= ULTIMATE.start_main_~i~4 182), 26003#(<= ULTIMATE.start_main_~i~4 184), 26004#(<= ULTIMATE.start_main_~i~4 186), 26005#(<= ULTIMATE.start_main_~i~4 188), 26006#(<= ULTIMATE.start_main_~i~4 190), 26007#(<= ULTIMATE.start_main_~i~4 192), 26008#(<= ULTIMATE.start_main_~i~4 194)] [2018-07-23 13:37:51,898 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 13:37:51,898 INFO L450 AbstractCegarLoop]: Interpolant automaton has 100 states [2018-07-23 13:37:51,899 INFO L132 InterpolantAutomaton]: Constructing interpolant automaton starting with 100 interpolants. [2018-07-23 13:37:51,900 INFO L133 InterpolantAutomaton]: CoverageRelationStatistics Valid=4950, Invalid=4950, Unknown=0, NotChecked=0, Total=9900 [2018-07-23 13:37:51,900 INFO L87 Difference]: Start difference. First operand 101 states and 101 transitions. Second operand 100 states. [2018-07-23 13:37:51,954 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2018-07-23 13:37:51,954 INFO L93 Difference]: Finished difference Result 104 states and 104 transitions. [2018-07-23 13:37:51,954 INFO L142 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 100 states. [2018-07-23 13:37:51,955 INFO L78 Accepts]: Start accepts. Automaton has 100 states. Word has length 100 [2018-07-23 13:37:51,955 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2018-07-23 13:37:51,955 INFO L225 Difference]: With dead ends: 104 [2018-07-23 13:37:51,955 INFO L226 Difference]: Without dead ends: 102 [2018-07-23 13:37:51,956 INFO L575 BasicCegarLoop]: 0 DeclaredPredicates, 99 GetRequests, 1 SyntacticMatches, 0 SemanticMatches, 98 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 0 ImplicationChecksByTransitivity, 0.1s TimeCoverageRelationStatistics Valid=4950, Invalid=4950, Unknown=0, NotChecked=0, Total=9900 [2018-07-23 13:37:51,956 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 102 states. [2018-07-23 13:37:51,958 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 102 to 102. [2018-07-23 13:37:51,958 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 102 states. [2018-07-23 13:37:51,958 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 102 states to 102 states and 102 transitions. [2018-07-23 13:37:51,959 INFO L78 Accepts]: Start accepts. Automaton has 102 states and 102 transitions. Word has length 100 [2018-07-23 13:37:51,959 INFO L84 Accepts]: Finished accepts. word is rejected. [2018-07-23 13:37:51,959 INFO L471 AbstractCegarLoop]: Abstraction has 102 states and 102 transitions. [2018-07-23 13:37:51,959 INFO L472 AbstractCegarLoop]: Interpolant automaton has 100 states. [2018-07-23 13:37:51,959 INFO L276 IsEmpty]: Start isEmpty. Operand 102 states and 102 transitions. [2018-07-23 13:37:51,959 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 102 [2018-07-23 13:37:51,959 INFO L349 BasicCegarLoop]: Found error trace [2018-07-23 13:37:51,959 INFO L357 BasicCegarLoop]: trace histogram [98, 1, 1, 1] [2018-07-23 13:37:51,960 INFO L414 AbstractCegarLoop]: === Iteration 99 === [ULTIMATE.startErr0AssertViolationASSERT]=== [2018-07-23 13:37:51,960 INFO L82 PathProgramCache]: Analyzing trace with hash -684368863, now seen corresponding path program 98 times [2018-07-23 13:37:51,960 INFO L69 tionRefinementEngine]: Using refinement strategy FixedRefinementStrategy [2018-07-23 13:37:51,982 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-07-23 13:37:52,280 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 13:37:52,281 INFO L309 seRefinementStrategy]: Constructing automaton from 0 perfect and 1 imperfect interpolant sequences. [2018-07-23 13:37:52,281 INFO L324 seRefinementStrategy]: Number of different interpolants: perfect sequences [] imperfect sequences [100] total 100 [2018-07-23 13:37:52,281 INFO L142 lantAutomatonBuilder]: Constructing canonical interpolant automaton, with selfloop in false state [2018-07-23 13:37:52,281 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2018-07-23 13:37:52,281 INFO L185 omatonBuilderFactory]: Interpolants [26421#true, 26422#false, 26423#(<= ULTIMATE.start_main_~i~4 0), 26424#(<= ULTIMATE.start_main_~i~4 2), 26425#(<= ULTIMATE.start_main_~i~4 4), 26426#(<= ULTIMATE.start_main_~i~4 6), 26427#(<= ULTIMATE.start_main_~i~4 8), 26428#(<= ULTIMATE.start_main_~i~4 10), 26429#(<= ULTIMATE.start_main_~i~4 12), 26430#(<= ULTIMATE.start_main_~i~4 14), 26431#(<= ULTIMATE.start_main_~i~4 16), 26432#(<= ULTIMATE.start_main_~i~4 18), 26433#(<= ULTIMATE.start_main_~i~4 20), 26434#(<= ULTIMATE.start_main_~i~4 22), 26435#(<= ULTIMATE.start_main_~i~4 24), 26436#(<= ULTIMATE.start_main_~i~4 26), 26437#(<= ULTIMATE.start_main_~i~4 28), 26438#(<= ULTIMATE.start_main_~i~4 30), 26439#(<= ULTIMATE.start_main_~i~4 32), 26440#(<= ULTIMATE.start_main_~i~4 34), 26441#(<= ULTIMATE.start_main_~i~4 36), 26442#(<= ULTIMATE.start_main_~i~4 38), 26443#(<= ULTIMATE.start_main_~i~4 40), 26444#(<= ULTIMATE.start_main_~i~4 42), 26445#(<= ULTIMATE.start_main_~i~4 44), 26446#(<= ULTIMATE.start_main_~i~4 46), 26447#(<= ULTIMATE.start_main_~i~4 48), 26448#(<= ULTIMATE.start_main_~i~4 50), 26449#(<= ULTIMATE.start_main_~i~4 52), 26450#(<= ULTIMATE.start_main_~i~4 54), 26451#(<= ULTIMATE.start_main_~i~4 56), 26452#(<= ULTIMATE.start_main_~i~4 58), 26453#(<= ULTIMATE.start_main_~i~4 60), 26454#(<= ULTIMATE.start_main_~i~4 62), 26455#(<= ULTIMATE.start_main_~i~4 64), 26456#(<= ULTIMATE.start_main_~i~4 66), 26457#(<= ULTIMATE.start_main_~i~4 68), 26458#(<= ULTIMATE.start_main_~i~4 70), 26459#(<= ULTIMATE.start_main_~i~4 72), 26460#(<= ULTIMATE.start_main_~i~4 74), 26461#(<= ULTIMATE.start_main_~i~4 76), 26462#(<= ULTIMATE.start_main_~i~4 78), 26463#(<= ULTIMATE.start_main_~i~4 80), 26464#(<= ULTIMATE.start_main_~i~4 82), 26465#(<= ULTIMATE.start_main_~i~4 84), 26466#(<= ULTIMATE.start_main_~i~4 86), 26467#(<= ULTIMATE.start_main_~i~4 88), 26468#(<= ULTIMATE.start_main_~i~4 90), 26469#(<= ULTIMATE.start_main_~i~4 92), 26470#(<= ULTIMATE.start_main_~i~4 94), 26471#(<= ULTIMATE.start_main_~i~4 96), 26472#(<= ULTIMATE.start_main_~i~4 98), 26473#(<= ULTIMATE.start_main_~i~4 100), 26474#(<= ULTIMATE.start_main_~i~4 102), 26475#(<= ULTIMATE.start_main_~i~4 104), 26476#(<= ULTIMATE.start_main_~i~4 106), 26477#(<= ULTIMATE.start_main_~i~4 108), 26478#(<= ULTIMATE.start_main_~i~4 110), 26479#(<= ULTIMATE.start_main_~i~4 112), 26480#(<= ULTIMATE.start_main_~i~4 114), 26481#(<= ULTIMATE.start_main_~i~4 116), 26482#(<= ULTIMATE.start_main_~i~4 118), 26483#(<= ULTIMATE.start_main_~i~4 120), 26484#(<= ULTIMATE.start_main_~i~4 122), 26485#(<= ULTIMATE.start_main_~i~4 124), 26486#(<= ULTIMATE.start_main_~i~4 126), 26487#(<= ULTIMATE.start_main_~i~4 128), 26488#(<= ULTIMATE.start_main_~i~4 130), 26489#(<= ULTIMATE.start_main_~i~4 132), 26490#(<= ULTIMATE.start_main_~i~4 134), 26491#(<= ULTIMATE.start_main_~i~4 136), 26492#(<= ULTIMATE.start_main_~i~4 138), 26493#(<= ULTIMATE.start_main_~i~4 140), 26494#(<= ULTIMATE.start_main_~i~4 142), 26495#(<= ULTIMATE.start_main_~i~4 144), 26496#(<= ULTIMATE.start_main_~i~4 146), 26497#(<= ULTIMATE.start_main_~i~4 148), 26498#(<= ULTIMATE.start_main_~i~4 150), 26499#(<= ULTIMATE.start_main_~i~4 152), 26500#(<= ULTIMATE.start_main_~i~4 154), 26501#(<= ULTIMATE.start_main_~i~4 156), 26502#(<= ULTIMATE.start_main_~i~4 158), 26503#(<= ULTIMATE.start_main_~i~4 160), 26504#(<= ULTIMATE.start_main_~i~4 162), 26505#(<= ULTIMATE.start_main_~i~4 164), 26506#(<= ULTIMATE.start_main_~i~4 166), 26507#(<= ULTIMATE.start_main_~i~4 168), 26508#(<= ULTIMATE.start_main_~i~4 170), 26509#(<= ULTIMATE.start_main_~i~4 172), 26510#(<= ULTIMATE.start_main_~i~4 174), 26511#(<= ULTIMATE.start_main_~i~4 176), 26512#(<= ULTIMATE.start_main_~i~4 178), 26513#(<= ULTIMATE.start_main_~i~4 180), 26514#(<= ULTIMATE.start_main_~i~4 182), 26515#(<= ULTIMATE.start_main_~i~4 184), 26516#(<= ULTIMATE.start_main_~i~4 186), 26517#(<= ULTIMATE.start_main_~i~4 188), 26518#(<= ULTIMATE.start_main_~i~4 190), 26519#(<= ULTIMATE.start_main_~i~4 192), 26520#(<= ULTIMATE.start_main_~i~4 194), 26521#(<= ULTIMATE.start_main_~i~4 196)] [2018-07-23 13:37:52,282 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 13:37:52,282 INFO L450 AbstractCegarLoop]: Interpolant automaton has 101 states [2018-07-23 13:37:52,282 INFO L132 InterpolantAutomaton]: Constructing interpolant automaton starting with 101 interpolants. [2018-07-23 13:37:52,283 INFO L133 InterpolantAutomaton]: CoverageRelationStatistics Valid=5050, Invalid=5050, Unknown=0, NotChecked=0, Total=10100 [2018-07-23 13:37:52,283 INFO L87 Difference]: Start difference. First operand 102 states and 102 transitions. Second operand 101 states. [2018-07-23 13:37:52,336 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2018-07-23 13:37:52,337 INFO L93 Difference]: Finished difference Result 105 states and 105 transitions. [2018-07-23 13:37:52,337 INFO L142 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 101 states. [2018-07-23 13:37:52,337 INFO L78 Accepts]: Start accepts. Automaton has 101 states. Word has length 101 [2018-07-23 13:37:52,337 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2018-07-23 13:37:52,337 INFO L225 Difference]: With dead ends: 105 [2018-07-23 13:37:52,337 INFO L226 Difference]: Without dead ends: 103 [2018-07-23 13:37:52,338 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 13:37:52,338 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 103 states. [2018-07-23 13:37:52,340 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 103 to 103. [2018-07-23 13:37:52,340 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 103 states. [2018-07-23 13:37:52,340 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 103 states to 103 states and 103 transitions. [2018-07-23 13:37:52,340 INFO L78 Accepts]: Start accepts. Automaton has 103 states and 103 transitions. Word has length 101 [2018-07-23 13:37:52,341 INFO L84 Accepts]: Finished accepts. word is rejected. [2018-07-23 13:37:52,341 INFO L471 AbstractCegarLoop]: Abstraction has 103 states and 103 transitions. [2018-07-23 13:37:52,341 INFO L472 AbstractCegarLoop]: Interpolant automaton has 101 states. [2018-07-23 13:37:52,341 INFO L276 IsEmpty]: Start isEmpty. Operand 103 states and 103 transitions. [2018-07-23 13:37:52,341 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 103 [2018-07-23 13:37:52,341 INFO L349 BasicCegarLoop]: Found error trace [2018-07-23 13:37:52,341 INFO L357 BasicCegarLoop]: trace histogram [99, 1, 1, 1] [2018-07-23 13:37:52,341 INFO L414 AbstractCegarLoop]: === Iteration 100 === [ULTIMATE.startErr0AssertViolationASSERT]=== [2018-07-23 13:37:52,341 INFO L82 PathProgramCache]: Analyzing trace with hash 259399752, now seen corresponding path program 99 times [2018-07-23 13:37:52,342 INFO L69 tionRefinementEngine]: Using refinement strategy FixedRefinementStrategy [2018-07-23 13:37:52,377 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-07-23 13:37:52,646 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 13:37:52,647 INFO L309 seRefinementStrategy]: Constructing automaton from 0 perfect and 1 imperfect interpolant sequences. [2018-07-23 13:37:52,647 INFO L324 seRefinementStrategy]: Number of different interpolants: perfect sequences [] imperfect sequences [101] total 101 [2018-07-23 13:37:52,647 INFO L142 lantAutomatonBuilder]: Constructing canonical interpolant automaton, with selfloop in false state [2018-07-23 13:37:52,647 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2018-07-23 13:37:52,647 INFO L185 omatonBuilderFactory]: Interpolants [26938#true, 26939#false, 26940#(<= ULTIMATE.start_main_~i~4 0), 26941#(<= ULTIMATE.start_main_~i~4 2), 26942#(<= ULTIMATE.start_main_~i~4 4), 26943#(<= ULTIMATE.start_main_~i~4 6), 26944#(<= ULTIMATE.start_main_~i~4 8), 26945#(<= ULTIMATE.start_main_~i~4 10), 26946#(<= ULTIMATE.start_main_~i~4 12), 26947#(<= ULTIMATE.start_main_~i~4 14), 26948#(<= ULTIMATE.start_main_~i~4 16), 26949#(<= ULTIMATE.start_main_~i~4 18), 26950#(<= ULTIMATE.start_main_~i~4 20), 26951#(<= ULTIMATE.start_main_~i~4 22), 26952#(<= ULTIMATE.start_main_~i~4 24), 26953#(<= ULTIMATE.start_main_~i~4 26), 26954#(<= ULTIMATE.start_main_~i~4 28), 26955#(<= ULTIMATE.start_main_~i~4 30), 26956#(<= ULTIMATE.start_main_~i~4 32), 26957#(<= ULTIMATE.start_main_~i~4 34), 26958#(<= ULTIMATE.start_main_~i~4 36), 26959#(<= ULTIMATE.start_main_~i~4 38), 26960#(<= ULTIMATE.start_main_~i~4 40), 26961#(<= ULTIMATE.start_main_~i~4 42), 26962#(<= ULTIMATE.start_main_~i~4 44), 26963#(<= ULTIMATE.start_main_~i~4 46), 26964#(<= ULTIMATE.start_main_~i~4 48), 26965#(<= ULTIMATE.start_main_~i~4 50), 26966#(<= ULTIMATE.start_main_~i~4 52), 26967#(<= ULTIMATE.start_main_~i~4 54), 26968#(<= ULTIMATE.start_main_~i~4 56), 26969#(<= ULTIMATE.start_main_~i~4 58), 26970#(<= ULTIMATE.start_main_~i~4 60), 26971#(<= ULTIMATE.start_main_~i~4 62), 26972#(<= ULTIMATE.start_main_~i~4 64), 26973#(<= ULTIMATE.start_main_~i~4 66), 26974#(<= ULTIMATE.start_main_~i~4 68), 26975#(<= ULTIMATE.start_main_~i~4 70), 26976#(<= ULTIMATE.start_main_~i~4 72), 26977#(<= ULTIMATE.start_main_~i~4 74), 26978#(<= ULTIMATE.start_main_~i~4 76), 26979#(<= ULTIMATE.start_main_~i~4 78), 26980#(<= ULTIMATE.start_main_~i~4 80), 26981#(<= ULTIMATE.start_main_~i~4 82), 26982#(<= ULTIMATE.start_main_~i~4 84), 26983#(<= ULTIMATE.start_main_~i~4 86), 26984#(<= ULTIMATE.start_main_~i~4 88), 26985#(<= ULTIMATE.start_main_~i~4 90), 26986#(<= ULTIMATE.start_main_~i~4 92), 26987#(<= ULTIMATE.start_main_~i~4 94), 26988#(<= ULTIMATE.start_main_~i~4 96), 26989#(<= ULTIMATE.start_main_~i~4 98), 26990#(<= ULTIMATE.start_main_~i~4 100), 26991#(<= ULTIMATE.start_main_~i~4 102), 26992#(<= ULTIMATE.start_main_~i~4 104), 26993#(<= ULTIMATE.start_main_~i~4 106), 26994#(<= ULTIMATE.start_main_~i~4 108), 26995#(<= ULTIMATE.start_main_~i~4 110), 26996#(<= ULTIMATE.start_main_~i~4 112), 26997#(<= ULTIMATE.start_main_~i~4 114), 26998#(<= ULTIMATE.start_main_~i~4 116), 26999#(<= ULTIMATE.start_main_~i~4 118), 27000#(<= ULTIMATE.start_main_~i~4 120), 27001#(<= ULTIMATE.start_main_~i~4 122), 27002#(<= ULTIMATE.start_main_~i~4 124), 27003#(<= ULTIMATE.start_main_~i~4 126), 27004#(<= ULTIMATE.start_main_~i~4 128), 27005#(<= ULTIMATE.start_main_~i~4 130), 27006#(<= ULTIMATE.start_main_~i~4 132), 27007#(<= ULTIMATE.start_main_~i~4 134), 27008#(<= ULTIMATE.start_main_~i~4 136), 27009#(<= ULTIMATE.start_main_~i~4 138), 27010#(<= ULTIMATE.start_main_~i~4 140), 27011#(<= ULTIMATE.start_main_~i~4 142), 27012#(<= ULTIMATE.start_main_~i~4 144), 27013#(<= ULTIMATE.start_main_~i~4 146), 27014#(<= ULTIMATE.start_main_~i~4 148), 27015#(<= ULTIMATE.start_main_~i~4 150), 27016#(<= ULTIMATE.start_main_~i~4 152), 27017#(<= ULTIMATE.start_main_~i~4 154), 27018#(<= ULTIMATE.start_main_~i~4 156), 27019#(<= ULTIMATE.start_main_~i~4 158), 27020#(<= ULTIMATE.start_main_~i~4 160), 27021#(<= ULTIMATE.start_main_~i~4 162), 27022#(<= ULTIMATE.start_main_~i~4 164), 27023#(<= ULTIMATE.start_main_~i~4 166), 27024#(<= ULTIMATE.start_main_~i~4 168), 27025#(<= ULTIMATE.start_main_~i~4 170), 27026#(<= ULTIMATE.start_main_~i~4 172), 27027#(<= ULTIMATE.start_main_~i~4 174), 27028#(<= ULTIMATE.start_main_~i~4 176), 27029#(<= ULTIMATE.start_main_~i~4 178), 27030#(<= ULTIMATE.start_main_~i~4 180), 27031#(<= ULTIMATE.start_main_~i~4 182), 27032#(<= ULTIMATE.start_main_~i~4 184), 27033#(<= ULTIMATE.start_main_~i~4 186), 27034#(<= ULTIMATE.start_main_~i~4 188), 27035#(<= ULTIMATE.start_main_~i~4 190), 27036#(<= ULTIMATE.start_main_~i~4 192), 27037#(<= ULTIMATE.start_main_~i~4 194), 27038#(<= ULTIMATE.start_main_~i~4 196), 27039#(<= ULTIMATE.start_main_~i~4 198)] [2018-07-23 13:37:52,647 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 13:37:52,648 INFO L450 AbstractCegarLoop]: Interpolant automaton has 102 states [2018-07-23 13:37:52,648 INFO L132 InterpolantAutomaton]: Constructing interpolant automaton starting with 102 interpolants. [2018-07-23 13:37:52,648 INFO L133 InterpolantAutomaton]: CoverageRelationStatistics Valid=5151, Invalid=5151, Unknown=0, NotChecked=0, Total=10302 [2018-07-23 13:37:52,648 INFO L87 Difference]: Start difference. First operand 103 states and 103 transitions. Second operand 102 states. [2018-07-23 13:37:52,697 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2018-07-23 13:37:52,698 INFO L93 Difference]: Finished difference Result 106 states and 106 transitions. [2018-07-23 13:37:52,698 INFO L142 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 102 states. [2018-07-23 13:37:52,698 INFO L78 Accepts]: Start accepts. Automaton has 102 states. Word has length 102 [2018-07-23 13:37:52,698 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2018-07-23 13:37:52,698 INFO L225 Difference]: With dead ends: 106 [2018-07-23 13:37:52,699 INFO L226 Difference]: Without dead ends: 104 [2018-07-23 13:37:52,699 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 13:37:52,699 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 104 states. [2018-07-23 13:37:52,701 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 104 to 104. [2018-07-23 13:37:52,701 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 104 states. [2018-07-23 13:37:52,701 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 104 states to 104 states and 104 transitions. [2018-07-23 13:37:52,701 INFO L78 Accepts]: Start accepts. Automaton has 104 states and 104 transitions. Word has length 102 [2018-07-23 13:37:52,701 INFO L84 Accepts]: Finished accepts. word is rejected. [2018-07-23 13:37:52,702 INFO L471 AbstractCegarLoop]: Abstraction has 104 states and 104 transitions. [2018-07-23 13:37:52,702 INFO L472 AbstractCegarLoop]: Interpolant automaton has 102 states. [2018-07-23 13:37:52,702 INFO L276 IsEmpty]: Start isEmpty. Operand 104 states and 104 transitions. [2018-07-23 13:37:52,702 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 104 [2018-07-23 13:37:52,702 INFO L349 BasicCegarLoop]: Found error trace [2018-07-23 13:37:52,702 INFO L357 BasicCegarLoop]: trace histogram [100, 1, 1, 1] [2018-07-23 13:37:52,703 INFO L414 AbstractCegarLoop]: === Iteration 101 === [ULTIMATE.startErr0AssertViolationASSERT]=== [2018-07-23 13:37:52,703 INFO L82 PathProgramCache]: Analyzing trace with hash -548544255, now seen corresponding path program 100 times [2018-07-23 13:37:52,703 INFO L69 tionRefinementEngine]: Using refinement strategy FixedRefinementStrategy [2018-07-23 13:37:52,730 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-07-23 13:37:52,977 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 13:37:52,977 INFO L309 seRefinementStrategy]: Constructing automaton from 0 perfect and 1 imperfect interpolant sequences. [2018-07-23 13:37:52,978 INFO L324 seRefinementStrategy]: Number of different interpolants: perfect sequences [] imperfect sequences [102] total 102 [2018-07-23 13:37:52,978 INFO L142 lantAutomatonBuilder]: Constructing canonical interpolant automaton, with selfloop in false state [2018-07-23 13:37:52,978 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2018-07-23 13:37:52,978 INFO L185 omatonBuilderFactory]: Interpolants [27460#true, 27461#false, 27462#(<= ULTIMATE.start_main_~i~4 0), 27463#(<= ULTIMATE.start_main_~i~4 2), 27464#(<= ULTIMATE.start_main_~i~4 4), 27465#(<= ULTIMATE.start_main_~i~4 6), 27466#(<= ULTIMATE.start_main_~i~4 8), 27467#(<= ULTIMATE.start_main_~i~4 10), 27468#(<= ULTIMATE.start_main_~i~4 12), 27469#(<= ULTIMATE.start_main_~i~4 14), 27470#(<= ULTIMATE.start_main_~i~4 16), 27471#(<= ULTIMATE.start_main_~i~4 18), 27472#(<= ULTIMATE.start_main_~i~4 20), 27473#(<= ULTIMATE.start_main_~i~4 22), 27474#(<= ULTIMATE.start_main_~i~4 24), 27475#(<= ULTIMATE.start_main_~i~4 26), 27476#(<= ULTIMATE.start_main_~i~4 28), 27477#(<= ULTIMATE.start_main_~i~4 30), 27478#(<= ULTIMATE.start_main_~i~4 32), 27479#(<= ULTIMATE.start_main_~i~4 34), 27480#(<= ULTIMATE.start_main_~i~4 36), 27481#(<= ULTIMATE.start_main_~i~4 38), 27482#(<= ULTIMATE.start_main_~i~4 40), 27483#(<= ULTIMATE.start_main_~i~4 42), 27484#(<= ULTIMATE.start_main_~i~4 44), 27485#(<= ULTIMATE.start_main_~i~4 46), 27486#(<= ULTIMATE.start_main_~i~4 48), 27487#(<= ULTIMATE.start_main_~i~4 50), 27488#(<= ULTIMATE.start_main_~i~4 52), 27489#(<= ULTIMATE.start_main_~i~4 54), 27490#(<= ULTIMATE.start_main_~i~4 56), 27491#(<= ULTIMATE.start_main_~i~4 58), 27492#(<= ULTIMATE.start_main_~i~4 60), 27493#(<= ULTIMATE.start_main_~i~4 62), 27494#(<= ULTIMATE.start_main_~i~4 64), 27495#(<= ULTIMATE.start_main_~i~4 66), 27496#(<= ULTIMATE.start_main_~i~4 68), 27497#(<= ULTIMATE.start_main_~i~4 70), 27498#(<= ULTIMATE.start_main_~i~4 72), 27499#(<= ULTIMATE.start_main_~i~4 74), 27500#(<= ULTIMATE.start_main_~i~4 76), 27501#(<= ULTIMATE.start_main_~i~4 78), 27502#(<= ULTIMATE.start_main_~i~4 80), 27503#(<= ULTIMATE.start_main_~i~4 82), 27504#(<= ULTIMATE.start_main_~i~4 84), 27505#(<= ULTIMATE.start_main_~i~4 86), 27506#(<= ULTIMATE.start_main_~i~4 88), 27507#(<= ULTIMATE.start_main_~i~4 90), 27508#(<= ULTIMATE.start_main_~i~4 92), 27509#(<= ULTIMATE.start_main_~i~4 94), 27510#(<= ULTIMATE.start_main_~i~4 96), 27511#(<= ULTIMATE.start_main_~i~4 98), 27512#(<= ULTIMATE.start_main_~i~4 100), 27513#(<= ULTIMATE.start_main_~i~4 102), 27514#(<= ULTIMATE.start_main_~i~4 104), 27515#(<= ULTIMATE.start_main_~i~4 106), 27516#(<= ULTIMATE.start_main_~i~4 108), 27517#(<= ULTIMATE.start_main_~i~4 110), 27518#(<= ULTIMATE.start_main_~i~4 112), 27519#(<= ULTIMATE.start_main_~i~4 114), 27520#(<= ULTIMATE.start_main_~i~4 116), 27521#(<= ULTIMATE.start_main_~i~4 118), 27522#(<= ULTIMATE.start_main_~i~4 120), 27523#(<= ULTIMATE.start_main_~i~4 122), 27524#(<= ULTIMATE.start_main_~i~4 124), 27525#(<= ULTIMATE.start_main_~i~4 126), 27526#(<= ULTIMATE.start_main_~i~4 128), 27527#(<= ULTIMATE.start_main_~i~4 130), 27528#(<= ULTIMATE.start_main_~i~4 132), 27529#(<= ULTIMATE.start_main_~i~4 134), 27530#(<= ULTIMATE.start_main_~i~4 136), 27531#(<= ULTIMATE.start_main_~i~4 138), 27532#(<= ULTIMATE.start_main_~i~4 140), 27533#(<= ULTIMATE.start_main_~i~4 142), 27534#(<= ULTIMATE.start_main_~i~4 144), 27535#(<= ULTIMATE.start_main_~i~4 146), 27536#(<= ULTIMATE.start_main_~i~4 148), 27537#(<= ULTIMATE.start_main_~i~4 150), 27538#(<= ULTIMATE.start_main_~i~4 152), 27539#(<= ULTIMATE.start_main_~i~4 154), 27540#(<= ULTIMATE.start_main_~i~4 156), 27541#(<= ULTIMATE.start_main_~i~4 158), 27542#(<= ULTIMATE.start_main_~i~4 160), 27543#(<= ULTIMATE.start_main_~i~4 162), 27544#(<= ULTIMATE.start_main_~i~4 164), 27545#(<= ULTIMATE.start_main_~i~4 166), 27546#(<= ULTIMATE.start_main_~i~4 168), 27547#(<= ULTIMATE.start_main_~i~4 170), 27548#(<= ULTIMATE.start_main_~i~4 172), 27549#(<= ULTIMATE.start_main_~i~4 174), 27550#(<= ULTIMATE.start_main_~i~4 176), 27551#(<= ULTIMATE.start_main_~i~4 178), 27552#(<= ULTIMATE.start_main_~i~4 180), 27553#(<= ULTIMATE.start_main_~i~4 182), 27554#(<= ULTIMATE.start_main_~i~4 184), 27555#(<= ULTIMATE.start_main_~i~4 186), 27556#(<= ULTIMATE.start_main_~i~4 188), 27557#(<= ULTIMATE.start_main_~i~4 190), 27558#(<= ULTIMATE.start_main_~i~4 192), 27559#(<= ULTIMATE.start_main_~i~4 194), 27560#(<= ULTIMATE.start_main_~i~4 196), 27561#(<= ULTIMATE.start_main_~i~4 198), 27562#(<= ULTIMATE.start_main_~i~4 200)] [2018-07-23 13:37:52,978 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 13:37:52,978 INFO L450 AbstractCegarLoop]: Interpolant automaton has 103 states [2018-07-23 13:37:52,979 INFO L132 InterpolantAutomaton]: Constructing interpolant automaton starting with 103 interpolants. [2018-07-23 13:37:52,979 INFO L133 InterpolantAutomaton]: CoverageRelationStatistics Valid=5253, Invalid=5253, Unknown=0, NotChecked=0, Total=10506 [2018-07-23 13:37:52,980 INFO L87 Difference]: Start difference. First operand 104 states and 104 transitions. Second operand 103 states. [2018-07-23 13:37:53,034 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2018-07-23 13:37:53,034 INFO L93 Difference]: Finished difference Result 107 states and 107 transitions. [2018-07-23 13:37:53,034 INFO L142 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 103 states. [2018-07-23 13:37:53,034 INFO L78 Accepts]: Start accepts. Automaton has 103 states. Word has length 103 [2018-07-23 13:37:53,034 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2018-07-23 13:37:53,035 INFO L225 Difference]: With dead ends: 107 [2018-07-23 13:37:53,035 INFO L226 Difference]: Without dead ends: 105 [2018-07-23 13:37:53,036 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 13:37:53,037 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 105 states. [2018-07-23 13:37:53,039 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 105 to 105. [2018-07-23 13:37:53,039 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 105 states. [2018-07-23 13:37:53,039 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 105 states to 105 states and 105 transitions. [2018-07-23 13:37:53,039 INFO L78 Accepts]: Start accepts. Automaton has 105 states and 105 transitions. Word has length 103 [2018-07-23 13:37:53,040 INFO L84 Accepts]: Finished accepts. word is rejected. [2018-07-23 13:37:53,040 INFO L471 AbstractCegarLoop]: Abstraction has 105 states and 105 transitions. [2018-07-23 13:37:53,040 INFO L472 AbstractCegarLoop]: Interpolant automaton has 103 states. [2018-07-23 13:37:53,040 INFO L276 IsEmpty]: Start isEmpty. Operand 105 states and 105 transitions. [2018-07-23 13:37:53,040 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 105 [2018-07-23 13:37:53,041 INFO L349 BasicCegarLoop]: Found error trace [2018-07-23 13:37:53,041 INFO L357 BasicCegarLoop]: trace histogram [101, 1, 1, 1] [2018-07-23 13:37:53,041 INFO L414 AbstractCegarLoop]: === Iteration 102 === [ULTIMATE.startErr0AssertViolationASSERT]=== [2018-07-23 13:37:53,041 INFO L82 PathProgramCache]: Analyzing trace with hash 174995304, now seen corresponding path program 101 times [2018-07-23 13:37:53,041 INFO L69 tionRefinementEngine]: Using refinement strategy FixedRefinementStrategy [2018-07-23 13:37:53,069 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-07-23 13:37:53,280 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 13:37:53,280 INFO L309 seRefinementStrategy]: Constructing automaton from 0 perfect and 1 imperfect interpolant sequences. [2018-07-23 13:37:53,280 INFO L324 seRefinementStrategy]: Number of different interpolants: perfect sequences [] imperfect sequences [103] total 103 [2018-07-23 13:37:53,280 INFO L142 lantAutomatonBuilder]: Constructing canonical interpolant automaton, with selfloop in false state [2018-07-23 13:37:53,281 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2018-07-23 13:37:53,281 INFO L185 omatonBuilderFactory]: Interpolants [27987#true, 27988#false, 27989#(<= ULTIMATE.start_main_~i~4 0), 27990#(<= ULTIMATE.start_main_~i~4 2), 27991#(<= ULTIMATE.start_main_~i~4 4), 27992#(<= ULTIMATE.start_main_~i~4 6), 27993#(<= ULTIMATE.start_main_~i~4 8), 27994#(<= ULTIMATE.start_main_~i~4 10), 27995#(<= ULTIMATE.start_main_~i~4 12), 27996#(<= ULTIMATE.start_main_~i~4 14), 27997#(<= ULTIMATE.start_main_~i~4 16), 27998#(<= ULTIMATE.start_main_~i~4 18), 27999#(<= ULTIMATE.start_main_~i~4 20), 28000#(<= ULTIMATE.start_main_~i~4 22), 28001#(<= ULTIMATE.start_main_~i~4 24), 28002#(<= ULTIMATE.start_main_~i~4 26), 28003#(<= ULTIMATE.start_main_~i~4 28), 28004#(<= ULTIMATE.start_main_~i~4 30), 28005#(<= ULTIMATE.start_main_~i~4 32), 28006#(<= ULTIMATE.start_main_~i~4 34), 28007#(<= ULTIMATE.start_main_~i~4 36), 28008#(<= ULTIMATE.start_main_~i~4 38), 28009#(<= ULTIMATE.start_main_~i~4 40), 28010#(<= ULTIMATE.start_main_~i~4 42), 28011#(<= ULTIMATE.start_main_~i~4 44), 28012#(<= ULTIMATE.start_main_~i~4 46), 28013#(<= ULTIMATE.start_main_~i~4 48), 28014#(<= ULTIMATE.start_main_~i~4 50), 28015#(<= ULTIMATE.start_main_~i~4 52), 28016#(<= ULTIMATE.start_main_~i~4 54), 28017#(<= ULTIMATE.start_main_~i~4 56), 28018#(<= ULTIMATE.start_main_~i~4 58), 28019#(<= ULTIMATE.start_main_~i~4 60), 28020#(<= ULTIMATE.start_main_~i~4 62), 28021#(<= ULTIMATE.start_main_~i~4 64), 28022#(<= ULTIMATE.start_main_~i~4 66), 28023#(<= ULTIMATE.start_main_~i~4 68), 28024#(<= ULTIMATE.start_main_~i~4 70), 28025#(<= ULTIMATE.start_main_~i~4 72), 28026#(<= ULTIMATE.start_main_~i~4 74), 28027#(<= ULTIMATE.start_main_~i~4 76), 28028#(<= ULTIMATE.start_main_~i~4 78), 28029#(<= ULTIMATE.start_main_~i~4 80), 28030#(<= ULTIMATE.start_main_~i~4 82), 28031#(<= ULTIMATE.start_main_~i~4 84), 28032#(<= ULTIMATE.start_main_~i~4 86), 28033#(<= ULTIMATE.start_main_~i~4 88), 28034#(<= ULTIMATE.start_main_~i~4 90), 28035#(<= ULTIMATE.start_main_~i~4 92), 28036#(<= ULTIMATE.start_main_~i~4 94), 28037#(<= ULTIMATE.start_main_~i~4 96), 28038#(<= ULTIMATE.start_main_~i~4 98), 28039#(<= ULTIMATE.start_main_~i~4 100), 28040#(<= ULTIMATE.start_main_~i~4 102), 28041#(<= ULTIMATE.start_main_~i~4 104), 28042#(<= ULTIMATE.start_main_~i~4 106), 28043#(<= ULTIMATE.start_main_~i~4 108), 28044#(<= ULTIMATE.start_main_~i~4 110), 28045#(<= ULTIMATE.start_main_~i~4 112), 28046#(<= ULTIMATE.start_main_~i~4 114), 28047#(<= ULTIMATE.start_main_~i~4 116), 28048#(<= ULTIMATE.start_main_~i~4 118), 28049#(<= ULTIMATE.start_main_~i~4 120), 28050#(<= ULTIMATE.start_main_~i~4 122), 28051#(<= ULTIMATE.start_main_~i~4 124), 28052#(<= ULTIMATE.start_main_~i~4 126), 28053#(<= ULTIMATE.start_main_~i~4 128), 28054#(<= ULTIMATE.start_main_~i~4 130), 28055#(<= ULTIMATE.start_main_~i~4 132), 28056#(<= ULTIMATE.start_main_~i~4 134), 28057#(<= ULTIMATE.start_main_~i~4 136), 28058#(<= ULTIMATE.start_main_~i~4 138), 28059#(<= ULTIMATE.start_main_~i~4 140), 28060#(<= ULTIMATE.start_main_~i~4 142), 28061#(<= ULTIMATE.start_main_~i~4 144), 28062#(<= ULTIMATE.start_main_~i~4 146), 28063#(<= ULTIMATE.start_main_~i~4 148), 28064#(<= ULTIMATE.start_main_~i~4 150), 28065#(<= ULTIMATE.start_main_~i~4 152), 28066#(<= ULTIMATE.start_main_~i~4 154), 28067#(<= ULTIMATE.start_main_~i~4 156), 28068#(<= ULTIMATE.start_main_~i~4 158), 28069#(<= ULTIMATE.start_main_~i~4 160), 28070#(<= ULTIMATE.start_main_~i~4 162), 28071#(<= ULTIMATE.start_main_~i~4 164), 28072#(<= ULTIMATE.start_main_~i~4 166), 28073#(<= ULTIMATE.start_main_~i~4 168), 28074#(<= ULTIMATE.start_main_~i~4 170), 28075#(<= ULTIMATE.start_main_~i~4 172), 28076#(<= ULTIMATE.start_main_~i~4 174), 28077#(<= ULTIMATE.start_main_~i~4 176), 28078#(<= ULTIMATE.start_main_~i~4 178), 28079#(<= ULTIMATE.start_main_~i~4 180), 28080#(<= ULTIMATE.start_main_~i~4 182), 28081#(<= ULTIMATE.start_main_~i~4 184), 28082#(<= ULTIMATE.start_main_~i~4 186), 28083#(<= ULTIMATE.start_main_~i~4 188), 28084#(<= ULTIMATE.start_main_~i~4 190), 28085#(<= ULTIMATE.start_main_~i~4 192), 28086#(<= ULTIMATE.start_main_~i~4 194), 28087#(<= ULTIMATE.start_main_~i~4 196), 28088#(<= ULTIMATE.start_main_~i~4 198), 28089#(<= ULTIMATE.start_main_~i~4 200), 28090#(<= ULTIMATE.start_main_~i~4 202)] [2018-07-23 13:37:53,281 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 13:37:53,281 INFO L450 AbstractCegarLoop]: Interpolant automaton has 104 states [2018-07-23 13:37:53,282 INFO L132 InterpolantAutomaton]: Constructing interpolant automaton starting with 104 interpolants. [2018-07-23 13:37:53,283 INFO L133 InterpolantAutomaton]: CoverageRelationStatistics Valid=5356, Invalid=5356, Unknown=0, NotChecked=0, Total=10712 [2018-07-23 13:37:53,283 INFO L87 Difference]: Start difference. First operand 105 states and 105 transitions. Second operand 104 states. [2018-07-23 13:37:53,345 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2018-07-23 13:37:53,345 INFO L93 Difference]: Finished difference Result 108 states and 108 transitions. [2018-07-23 13:37:53,346 INFO L142 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 104 states. [2018-07-23 13:37:53,346 INFO L78 Accepts]: Start accepts. Automaton has 104 states. Word has length 104 [2018-07-23 13:37:53,346 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2018-07-23 13:37:53,346 INFO L225 Difference]: With dead ends: 108 [2018-07-23 13:37:53,346 INFO L226 Difference]: Without dead ends: 106 [2018-07-23 13:37:53,347 INFO L575 BasicCegarLoop]: 0 DeclaredPredicates, 103 GetRequests, 1 SyntacticMatches, 0 SemanticMatches, 102 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 0 ImplicationChecksByTransitivity, 0.1s TimeCoverageRelationStatistics Valid=5356, Invalid=5356, Unknown=0, NotChecked=0, Total=10712 [2018-07-23 13:37:53,348 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 106 states. [2018-07-23 13:37:53,350 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 106 to 106. [2018-07-23 13:37:53,350 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 106 states. [2018-07-23 13:37:53,350 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 106 states to 106 states and 106 transitions. [2018-07-23 13:37:53,350 INFO L78 Accepts]: Start accepts. Automaton has 106 states and 106 transitions. Word has length 104 [2018-07-23 13:37:53,351 INFO L84 Accepts]: Finished accepts. word is rejected. [2018-07-23 13:37:53,351 INFO L471 AbstractCegarLoop]: Abstraction has 106 states and 106 transitions. [2018-07-23 13:37:53,351 INFO L472 AbstractCegarLoop]: Interpolant automaton has 104 states. [2018-07-23 13:37:53,351 INFO L276 IsEmpty]: Start isEmpty. Operand 106 states and 106 transitions. [2018-07-23 13:37:53,351 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 106 [2018-07-23 13:37:53,352 INFO L349 BasicCegarLoop]: Found error trace [2018-07-23 13:37:53,352 INFO L357 BasicCegarLoop]: trace histogram [102, 1, 1, 1] [2018-07-23 13:37:53,352 INFO L414 AbstractCegarLoop]: === Iteration 103 === [ULTIMATE.startErr0AssertViolationASSERT]=== [2018-07-23 13:37:53,352 INFO L82 PathProgramCache]: Analyzing trace with hash 1129885153, now seen corresponding path program 102 times [2018-07-23 13:37:53,352 INFO L69 tionRefinementEngine]: Using refinement strategy FixedRefinementStrategy [2018-07-23 13:37:53,379 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-07-23 13:37:53,594 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 13:37:53,594 INFO L309 seRefinementStrategy]: Constructing automaton from 0 perfect and 1 imperfect interpolant sequences. [2018-07-23 13:37:53,594 INFO L324 seRefinementStrategy]: Number of different interpolants: perfect sequences [] imperfect sequences [104] total 104 [2018-07-23 13:37:53,595 INFO L142 lantAutomatonBuilder]: Constructing canonical interpolant automaton, with selfloop in false state [2018-07-23 13:37:53,595 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2018-07-23 13:37:53,595 INFO L185 omatonBuilderFactory]: Interpolants [28519#true, 28520#false, 28521#(<= ULTIMATE.start_main_~i~4 0), 28522#(<= ULTIMATE.start_main_~i~4 2), 28523#(<= ULTIMATE.start_main_~i~4 4), 28524#(<= ULTIMATE.start_main_~i~4 6), 28525#(<= ULTIMATE.start_main_~i~4 8), 28526#(<= ULTIMATE.start_main_~i~4 10), 28527#(<= ULTIMATE.start_main_~i~4 12), 28528#(<= ULTIMATE.start_main_~i~4 14), 28529#(<= ULTIMATE.start_main_~i~4 16), 28530#(<= ULTIMATE.start_main_~i~4 18), 28531#(<= ULTIMATE.start_main_~i~4 20), 28532#(<= ULTIMATE.start_main_~i~4 22), 28533#(<= ULTIMATE.start_main_~i~4 24), 28534#(<= ULTIMATE.start_main_~i~4 26), 28535#(<= ULTIMATE.start_main_~i~4 28), 28536#(<= ULTIMATE.start_main_~i~4 30), 28537#(<= ULTIMATE.start_main_~i~4 32), 28538#(<= ULTIMATE.start_main_~i~4 34), 28539#(<= ULTIMATE.start_main_~i~4 36), 28540#(<= ULTIMATE.start_main_~i~4 38), 28541#(<= ULTIMATE.start_main_~i~4 40), 28542#(<= ULTIMATE.start_main_~i~4 42), 28543#(<= ULTIMATE.start_main_~i~4 44), 28544#(<= ULTIMATE.start_main_~i~4 46), 28545#(<= ULTIMATE.start_main_~i~4 48), 28546#(<= ULTIMATE.start_main_~i~4 50), 28547#(<= ULTIMATE.start_main_~i~4 52), 28548#(<= ULTIMATE.start_main_~i~4 54), 28549#(<= ULTIMATE.start_main_~i~4 56), 28550#(<= ULTIMATE.start_main_~i~4 58), 28551#(<= ULTIMATE.start_main_~i~4 60), 28552#(<= ULTIMATE.start_main_~i~4 62), 28553#(<= ULTIMATE.start_main_~i~4 64), 28554#(<= ULTIMATE.start_main_~i~4 66), 28555#(<= ULTIMATE.start_main_~i~4 68), 28556#(<= ULTIMATE.start_main_~i~4 70), 28557#(<= ULTIMATE.start_main_~i~4 72), 28558#(<= ULTIMATE.start_main_~i~4 74), 28559#(<= ULTIMATE.start_main_~i~4 76), 28560#(<= ULTIMATE.start_main_~i~4 78), 28561#(<= ULTIMATE.start_main_~i~4 80), 28562#(<= ULTIMATE.start_main_~i~4 82), 28563#(<= ULTIMATE.start_main_~i~4 84), 28564#(<= ULTIMATE.start_main_~i~4 86), 28565#(<= ULTIMATE.start_main_~i~4 88), 28566#(<= ULTIMATE.start_main_~i~4 90), 28567#(<= ULTIMATE.start_main_~i~4 92), 28568#(<= ULTIMATE.start_main_~i~4 94), 28569#(<= ULTIMATE.start_main_~i~4 96), 28570#(<= ULTIMATE.start_main_~i~4 98), 28571#(<= ULTIMATE.start_main_~i~4 100), 28572#(<= ULTIMATE.start_main_~i~4 102), 28573#(<= ULTIMATE.start_main_~i~4 104), 28574#(<= ULTIMATE.start_main_~i~4 106), 28575#(<= ULTIMATE.start_main_~i~4 108), 28576#(<= ULTIMATE.start_main_~i~4 110), 28577#(<= ULTIMATE.start_main_~i~4 112), 28578#(<= ULTIMATE.start_main_~i~4 114), 28579#(<= ULTIMATE.start_main_~i~4 116), 28580#(<= ULTIMATE.start_main_~i~4 118), 28581#(<= ULTIMATE.start_main_~i~4 120), 28582#(<= ULTIMATE.start_main_~i~4 122), 28583#(<= ULTIMATE.start_main_~i~4 124), 28584#(<= ULTIMATE.start_main_~i~4 126), 28585#(<= ULTIMATE.start_main_~i~4 128), 28586#(<= ULTIMATE.start_main_~i~4 130), 28587#(<= ULTIMATE.start_main_~i~4 132), 28588#(<= ULTIMATE.start_main_~i~4 134), 28589#(<= ULTIMATE.start_main_~i~4 136), 28590#(<= ULTIMATE.start_main_~i~4 138), 28591#(<= ULTIMATE.start_main_~i~4 140), 28592#(<= ULTIMATE.start_main_~i~4 142), 28593#(<= ULTIMATE.start_main_~i~4 144), 28594#(<= ULTIMATE.start_main_~i~4 146), 28595#(<= ULTIMATE.start_main_~i~4 148), 28596#(<= ULTIMATE.start_main_~i~4 150), 28597#(<= ULTIMATE.start_main_~i~4 152), 28598#(<= ULTIMATE.start_main_~i~4 154), 28599#(<= ULTIMATE.start_main_~i~4 156), 28600#(<= ULTIMATE.start_main_~i~4 158), 28601#(<= ULTIMATE.start_main_~i~4 160), 28602#(<= ULTIMATE.start_main_~i~4 162), 28603#(<= ULTIMATE.start_main_~i~4 164), 28604#(<= ULTIMATE.start_main_~i~4 166), 28605#(<= ULTIMATE.start_main_~i~4 168), 28606#(<= ULTIMATE.start_main_~i~4 170), 28607#(<= ULTIMATE.start_main_~i~4 172), 28608#(<= ULTIMATE.start_main_~i~4 174), 28609#(<= ULTIMATE.start_main_~i~4 176), 28610#(<= ULTIMATE.start_main_~i~4 178), 28611#(<= ULTIMATE.start_main_~i~4 180), 28612#(<= ULTIMATE.start_main_~i~4 182), 28613#(<= ULTIMATE.start_main_~i~4 184), 28614#(<= ULTIMATE.start_main_~i~4 186), 28615#(<= ULTIMATE.start_main_~i~4 188), 28616#(<= ULTIMATE.start_main_~i~4 190), 28617#(<= ULTIMATE.start_main_~i~4 192), 28618#(<= ULTIMATE.start_main_~i~4 194), 28619#(<= ULTIMATE.start_main_~i~4 196), 28620#(<= ULTIMATE.start_main_~i~4 198), 28621#(<= ULTIMATE.start_main_~i~4 200), 28622#(<= ULTIMATE.start_main_~i~4 202), 28623#(<= ULTIMATE.start_main_~i~4 204)] [2018-07-23 13:37:53,595 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 13:37:53,595 INFO L450 AbstractCegarLoop]: Interpolant automaton has 105 states [2018-07-23 13:37:53,596 INFO L132 InterpolantAutomaton]: Constructing interpolant automaton starting with 105 interpolants. [2018-07-23 13:37:53,596 INFO L133 InterpolantAutomaton]: CoverageRelationStatistics Valid=5460, Invalid=5460, Unknown=0, NotChecked=0, Total=10920 [2018-07-23 13:37:53,597 INFO L87 Difference]: Start difference. First operand 106 states and 106 transitions. Second operand 105 states. [2018-07-23 13:37:53,673 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2018-07-23 13:37:53,673 INFO L93 Difference]: Finished difference Result 109 states and 109 transitions. [2018-07-23 13:37:53,673 INFO L142 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 105 states. [2018-07-23 13:37:53,674 INFO L78 Accepts]: Start accepts. Automaton has 105 states. Word has length 105 [2018-07-23 13:37:53,674 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2018-07-23 13:37:53,674 INFO L225 Difference]: With dead ends: 109 [2018-07-23 13:37:53,674 INFO L226 Difference]: Without dead ends: 107 [2018-07-23 13:37:53,675 INFO L575 BasicCegarLoop]: 0 DeclaredPredicates, 104 GetRequests, 1 SyntacticMatches, 0 SemanticMatches, 103 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 0 ImplicationChecksByTransitivity, 0.1s TimeCoverageRelationStatistics Valid=5460, Invalid=5460, Unknown=0, NotChecked=0, Total=10920 [2018-07-23 13:37:53,675 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 107 states. [2018-07-23 13:37:53,678 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 107 to 107. [2018-07-23 13:37:53,678 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 107 states. [2018-07-23 13:37:53,678 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 107 states to 107 states and 107 transitions. [2018-07-23 13:37:53,678 INFO L78 Accepts]: Start accepts. Automaton has 107 states and 107 transitions. Word has length 105 [2018-07-23 13:37:53,678 INFO L84 Accepts]: Finished accepts. word is rejected. [2018-07-23 13:37:53,678 INFO L471 AbstractCegarLoop]: Abstraction has 107 states and 107 transitions. [2018-07-23 13:37:53,678 INFO L472 AbstractCegarLoop]: Interpolant automaton has 105 states. [2018-07-23 13:37:53,678 INFO L276 IsEmpty]: Start isEmpty. Operand 107 states and 107 transitions. [2018-07-23 13:37:53,679 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 107 [2018-07-23 13:37:53,679 INFO L349 BasicCegarLoop]: Found error trace [2018-07-23 13:37:53,679 INFO L357 BasicCegarLoop]: trace histogram [103, 1, 1, 1] [2018-07-23 13:37:53,679 INFO L414 AbstractCegarLoop]: === Iteration 104 === [ULTIMATE.startErr0AssertViolationASSERT]=== [2018-07-23 13:37:53,679 INFO L82 PathProgramCache]: Analyzing trace with hash 666699400, now seen corresponding path program 103 times [2018-07-23 13:37:53,679 INFO L69 tionRefinementEngine]: Using refinement strategy FixedRefinementStrategy [2018-07-23 13:37:53,704 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-07-23 13:37:53,935 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 13:37:53,935 INFO L309 seRefinementStrategy]: Constructing automaton from 0 perfect and 1 imperfect interpolant sequences. [2018-07-23 13:37:53,935 INFO L324 seRefinementStrategy]: Number of different interpolants: perfect sequences [] imperfect sequences [105] total 105 [2018-07-23 13:37:53,935 INFO L142 lantAutomatonBuilder]: Constructing canonical interpolant automaton, with selfloop in false state [2018-07-23 13:37:53,936 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2018-07-23 13:37:53,936 INFO L185 omatonBuilderFactory]: Interpolants [29056#true, 29057#false, 29058#(<= ULTIMATE.start_main_~i~4 0), 29059#(<= ULTIMATE.start_main_~i~4 2), 29060#(<= ULTIMATE.start_main_~i~4 4), 29061#(<= ULTIMATE.start_main_~i~4 6), 29062#(<= ULTIMATE.start_main_~i~4 8), 29063#(<= ULTIMATE.start_main_~i~4 10), 29064#(<= ULTIMATE.start_main_~i~4 12), 29065#(<= ULTIMATE.start_main_~i~4 14), 29066#(<= ULTIMATE.start_main_~i~4 16), 29067#(<= ULTIMATE.start_main_~i~4 18), 29068#(<= ULTIMATE.start_main_~i~4 20), 29069#(<= ULTIMATE.start_main_~i~4 22), 29070#(<= ULTIMATE.start_main_~i~4 24), 29071#(<= ULTIMATE.start_main_~i~4 26), 29072#(<= ULTIMATE.start_main_~i~4 28), 29073#(<= ULTIMATE.start_main_~i~4 30), 29074#(<= ULTIMATE.start_main_~i~4 32), 29075#(<= ULTIMATE.start_main_~i~4 34), 29076#(<= ULTIMATE.start_main_~i~4 36), 29077#(<= ULTIMATE.start_main_~i~4 38), 29078#(<= ULTIMATE.start_main_~i~4 40), 29079#(<= ULTIMATE.start_main_~i~4 42), 29080#(<= ULTIMATE.start_main_~i~4 44), 29081#(<= ULTIMATE.start_main_~i~4 46), 29082#(<= ULTIMATE.start_main_~i~4 48), 29083#(<= ULTIMATE.start_main_~i~4 50), 29084#(<= ULTIMATE.start_main_~i~4 52), 29085#(<= ULTIMATE.start_main_~i~4 54), 29086#(<= ULTIMATE.start_main_~i~4 56), 29087#(<= ULTIMATE.start_main_~i~4 58), 29088#(<= ULTIMATE.start_main_~i~4 60), 29089#(<= ULTIMATE.start_main_~i~4 62), 29090#(<= ULTIMATE.start_main_~i~4 64), 29091#(<= ULTIMATE.start_main_~i~4 66), 29092#(<= ULTIMATE.start_main_~i~4 68), 29093#(<= ULTIMATE.start_main_~i~4 70), 29094#(<= ULTIMATE.start_main_~i~4 72), 29095#(<= ULTIMATE.start_main_~i~4 74), 29096#(<= ULTIMATE.start_main_~i~4 76), 29097#(<= ULTIMATE.start_main_~i~4 78), 29098#(<= ULTIMATE.start_main_~i~4 80), 29099#(<= ULTIMATE.start_main_~i~4 82), 29100#(<= ULTIMATE.start_main_~i~4 84), 29101#(<= ULTIMATE.start_main_~i~4 86), 29102#(<= ULTIMATE.start_main_~i~4 88), 29103#(<= ULTIMATE.start_main_~i~4 90), 29104#(<= ULTIMATE.start_main_~i~4 92), 29105#(<= ULTIMATE.start_main_~i~4 94), 29106#(<= ULTIMATE.start_main_~i~4 96), 29107#(<= ULTIMATE.start_main_~i~4 98), 29108#(<= ULTIMATE.start_main_~i~4 100), 29109#(<= ULTIMATE.start_main_~i~4 102), 29110#(<= ULTIMATE.start_main_~i~4 104), 29111#(<= ULTIMATE.start_main_~i~4 106), 29112#(<= ULTIMATE.start_main_~i~4 108), 29113#(<= ULTIMATE.start_main_~i~4 110), 29114#(<= ULTIMATE.start_main_~i~4 112), 29115#(<= ULTIMATE.start_main_~i~4 114), 29116#(<= ULTIMATE.start_main_~i~4 116), 29117#(<= ULTIMATE.start_main_~i~4 118), 29118#(<= ULTIMATE.start_main_~i~4 120), 29119#(<= ULTIMATE.start_main_~i~4 122), 29120#(<= ULTIMATE.start_main_~i~4 124), 29121#(<= ULTIMATE.start_main_~i~4 126), 29122#(<= ULTIMATE.start_main_~i~4 128), 29123#(<= ULTIMATE.start_main_~i~4 130), 29124#(<= ULTIMATE.start_main_~i~4 132), 29125#(<= ULTIMATE.start_main_~i~4 134), 29126#(<= ULTIMATE.start_main_~i~4 136), 29127#(<= ULTIMATE.start_main_~i~4 138), 29128#(<= ULTIMATE.start_main_~i~4 140), 29129#(<= ULTIMATE.start_main_~i~4 142), 29130#(<= ULTIMATE.start_main_~i~4 144), 29131#(<= ULTIMATE.start_main_~i~4 146), 29132#(<= ULTIMATE.start_main_~i~4 148), 29133#(<= ULTIMATE.start_main_~i~4 150), 29134#(<= ULTIMATE.start_main_~i~4 152), 29135#(<= ULTIMATE.start_main_~i~4 154), 29136#(<= ULTIMATE.start_main_~i~4 156), 29137#(<= ULTIMATE.start_main_~i~4 158), 29138#(<= ULTIMATE.start_main_~i~4 160), 29139#(<= ULTIMATE.start_main_~i~4 162), 29140#(<= ULTIMATE.start_main_~i~4 164), 29141#(<= ULTIMATE.start_main_~i~4 166), 29142#(<= ULTIMATE.start_main_~i~4 168), 29143#(<= ULTIMATE.start_main_~i~4 170), 29144#(<= ULTIMATE.start_main_~i~4 172), 29145#(<= ULTIMATE.start_main_~i~4 174), 29146#(<= ULTIMATE.start_main_~i~4 176), 29147#(<= ULTIMATE.start_main_~i~4 178), 29148#(<= ULTIMATE.start_main_~i~4 180), 29149#(<= ULTIMATE.start_main_~i~4 182), 29150#(<= ULTIMATE.start_main_~i~4 184), 29151#(<= ULTIMATE.start_main_~i~4 186), 29152#(<= ULTIMATE.start_main_~i~4 188), 29153#(<= ULTIMATE.start_main_~i~4 190), 29154#(<= ULTIMATE.start_main_~i~4 192), 29155#(<= ULTIMATE.start_main_~i~4 194), 29156#(<= ULTIMATE.start_main_~i~4 196), 29157#(<= ULTIMATE.start_main_~i~4 198), 29158#(<= ULTIMATE.start_main_~i~4 200), 29159#(<= ULTIMATE.start_main_~i~4 202), 29160#(<= ULTIMATE.start_main_~i~4 204), 29161#(<= ULTIMATE.start_main_~i~4 206)] [2018-07-23 13:37:53,936 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 13:37:53,937 INFO L450 AbstractCegarLoop]: Interpolant automaton has 106 states [2018-07-23 13:37:53,937 INFO L132 InterpolantAutomaton]: Constructing interpolant automaton starting with 106 interpolants. [2018-07-23 13:37:53,938 INFO L133 InterpolantAutomaton]: CoverageRelationStatistics Valid=5565, Invalid=5565, Unknown=0, NotChecked=0, Total=11130 [2018-07-23 13:37:53,938 INFO L87 Difference]: Start difference. First operand 107 states and 107 transitions. Second operand 106 states. [2018-07-23 13:37:54,032 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2018-07-23 13:37:54,032 INFO L93 Difference]: Finished difference Result 110 states and 110 transitions. [2018-07-23 13:37:54,032 INFO L142 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 106 states. [2018-07-23 13:37:54,032 INFO L78 Accepts]: Start accepts. Automaton has 106 states. Word has length 106 [2018-07-23 13:37:54,033 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2018-07-23 13:37:54,033 INFO L225 Difference]: With dead ends: 110 [2018-07-23 13:37:54,033 INFO L226 Difference]: Without dead ends: 108 [2018-07-23 13:37:54,034 INFO L575 BasicCegarLoop]: 0 DeclaredPredicates, 105 GetRequests, 1 SyntacticMatches, 0 SemanticMatches, 104 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 0 ImplicationChecksByTransitivity, 0.2s TimeCoverageRelationStatistics Valid=5565, Invalid=5565, Unknown=0, NotChecked=0, Total=11130 [2018-07-23 13:37:54,034 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 108 states. [2018-07-23 13:37:54,036 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 108 to 108. [2018-07-23 13:37:54,036 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 108 states. [2018-07-23 13:37:54,036 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 108 states to 108 states and 108 transitions. [2018-07-23 13:37:54,037 INFO L78 Accepts]: Start accepts. Automaton has 108 states and 108 transitions. Word has length 106 [2018-07-23 13:37:54,037 INFO L84 Accepts]: Finished accepts. word is rejected. [2018-07-23 13:37:54,037 INFO L471 AbstractCegarLoop]: Abstraction has 108 states and 108 transitions. [2018-07-23 13:37:54,037 INFO L472 AbstractCegarLoop]: Interpolant automaton has 106 states. [2018-07-23 13:37:54,037 INFO L276 IsEmpty]: Start isEmpty. Operand 108 states and 108 transitions. [2018-07-23 13:37:54,037 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 108 [2018-07-23 13:37:54,037 INFO L349 BasicCegarLoop]: Found error trace [2018-07-23 13:37:54,038 INFO L357 BasicCegarLoop]: trace histogram [104, 1, 1, 1] [2018-07-23 13:37:54,038 INFO L414 AbstractCegarLoop]: === Iteration 105 === [ULTIMATE.startErr0AssertViolationASSERT]=== [2018-07-23 13:37:54,038 INFO L82 PathProgramCache]: Analyzing trace with hash -807157055, now seen corresponding path program 104 times [2018-07-23 13:37:54,038 INFO L69 tionRefinementEngine]: Using refinement strategy FixedRefinementStrategy [2018-07-23 13:37:54,066 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-07-23 13:37:54,352 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 13:37:54,352 INFO L309 seRefinementStrategy]: Constructing automaton from 0 perfect and 1 imperfect interpolant sequences. [2018-07-23 13:37:54,352 INFO L324 seRefinementStrategy]: Number of different interpolants: perfect sequences [] imperfect sequences [106] total 106 [2018-07-23 13:37:54,352 INFO L142 lantAutomatonBuilder]: Constructing canonical interpolant automaton, with selfloop in false state [2018-07-23 13:37:54,352 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 13:37:54,353 INFO L185 omatonBuilderFactory]: Interpolants [29696#(<= ULTIMATE.start_main_~i~4 192), 29697#(<= ULTIMATE.start_main_~i~4 194), 29698#(<= ULTIMATE.start_main_~i~4 196), 29699#(<= ULTIMATE.start_main_~i~4 198), 29700#(<= ULTIMATE.start_main_~i~4 200), 29701#(<= ULTIMATE.start_main_~i~4 202), 29702#(<= ULTIMATE.start_main_~i~4 204), 29703#(<= ULTIMATE.start_main_~i~4 206), 29704#(<= ULTIMATE.start_main_~i~4 208), 29598#true, 29599#false, 29600#(<= ULTIMATE.start_main_~i~4 0), 29601#(<= ULTIMATE.start_main_~i~4 2), 29602#(<= ULTIMATE.start_main_~i~4 4), 29603#(<= ULTIMATE.start_main_~i~4 6), 29604#(<= ULTIMATE.start_main_~i~4 8), 29605#(<= ULTIMATE.start_main_~i~4 10), 29606#(<= ULTIMATE.start_main_~i~4 12), 29607#(<= ULTIMATE.start_main_~i~4 14), 29608#(<= ULTIMATE.start_main_~i~4 16), 29609#(<= ULTIMATE.start_main_~i~4 18), 29610#(<= ULTIMATE.start_main_~i~4 20), 29611#(<= ULTIMATE.start_main_~i~4 22), 29612#(<= ULTIMATE.start_main_~i~4 24), 29613#(<= ULTIMATE.start_main_~i~4 26), 29614#(<= ULTIMATE.start_main_~i~4 28), 29615#(<= ULTIMATE.start_main_~i~4 30), 29616#(<= ULTIMATE.start_main_~i~4 32), 29617#(<= ULTIMATE.start_main_~i~4 34), 29618#(<= ULTIMATE.start_main_~i~4 36), 29619#(<= ULTIMATE.start_main_~i~4 38), 29620#(<= ULTIMATE.start_main_~i~4 40), 29621#(<= ULTIMATE.start_main_~i~4 42), 29622#(<= ULTIMATE.start_main_~i~4 44), 29623#(<= ULTIMATE.start_main_~i~4 46), 29624#(<= ULTIMATE.start_main_~i~4 48), 29625#(<= ULTIMATE.start_main_~i~4 50), 29626#(<= ULTIMATE.start_main_~i~4 52), 29627#(<= ULTIMATE.start_main_~i~4 54), 29628#(<= ULTIMATE.start_main_~i~4 56), 29629#(<= ULTIMATE.start_main_~i~4 58), 29630#(<= ULTIMATE.start_main_~i~4 60), 29631#(<= ULTIMATE.start_main_~i~4 62), 29632#(<= ULTIMATE.start_main_~i~4 64), 29633#(<= ULTIMATE.start_main_~i~4 66), 29634#(<= ULTIMATE.start_main_~i~4 68), 29635#(<= ULTIMATE.start_main_~i~4 70), 29636#(<= ULTIMATE.start_main_~i~4 72), 29637#(<= ULTIMATE.start_main_~i~4 74), 29638#(<= ULTIMATE.start_main_~i~4 76), 29639#(<= ULTIMATE.start_main_~i~4 78), 29640#(<= ULTIMATE.start_main_~i~4 80), 29641#(<= ULTIMATE.start_main_~i~4 82), 29642#(<= ULTIMATE.start_main_~i~4 84), 29643#(<= ULTIMATE.start_main_~i~4 86), 29644#(<= ULTIMATE.start_main_~i~4 88), 29645#(<= ULTIMATE.start_main_~i~4 90), 29646#(<= ULTIMATE.start_main_~i~4 92), 29647#(<= ULTIMATE.start_main_~i~4 94), 29648#(<= ULTIMATE.start_main_~i~4 96), 29649#(<= ULTIMATE.start_main_~i~4 98), 29650#(<= ULTIMATE.start_main_~i~4 100), 29651#(<= ULTIMATE.start_main_~i~4 102), 29652#(<= ULTIMATE.start_main_~i~4 104), 29653#(<= ULTIMATE.start_main_~i~4 106), 29654#(<= ULTIMATE.start_main_~i~4 108), 29655#(<= ULTIMATE.start_main_~i~4 110), 29656#(<= ULTIMATE.start_main_~i~4 112), 29657#(<= ULTIMATE.start_main_~i~4 114), 29658#(<= ULTIMATE.start_main_~i~4 116), 29659#(<= ULTIMATE.start_main_~i~4 118), 29660#(<= ULTIMATE.start_main_~i~4 120), 29661#(<= ULTIMATE.start_main_~i~4 122), 29662#(<= ULTIMATE.start_main_~i~4 124), 29663#(<= ULTIMATE.start_main_~i~4 126), 29664#(<= ULTIMATE.start_main_~i~4 128), 29665#(<= ULTIMATE.start_main_~i~4 130), 29666#(<= ULTIMATE.start_main_~i~4 132), 29667#(<= ULTIMATE.start_main_~i~4 134), 29668#(<= ULTIMATE.start_main_~i~4 136), 29669#(<= ULTIMATE.start_main_~i~4 138), 29670#(<= ULTIMATE.start_main_~i~4 140), 29671#(<= ULTIMATE.start_main_~i~4 142), 29672#(<= ULTIMATE.start_main_~i~4 144), 29673#(<= ULTIMATE.start_main_~i~4 146), 29674#(<= ULTIMATE.start_main_~i~4 148), 29675#(<= ULTIMATE.start_main_~i~4 150), 29676#(<= ULTIMATE.start_main_~i~4 152), 29677#(<= ULTIMATE.start_main_~i~4 154), 29678#(<= ULTIMATE.start_main_~i~4 156), 29679#(<= ULTIMATE.start_main_~i~4 158), 29680#(<= ULTIMATE.start_main_~i~4 160), 29681#(<= ULTIMATE.start_main_~i~4 162), 29682#(<= ULTIMATE.start_main_~i~4 164), 29683#(<= ULTIMATE.start_main_~i~4 166), 29684#(<= ULTIMATE.start_main_~i~4 168), 29685#(<= ULTIMATE.start_main_~i~4 170), 29686#(<= ULTIMATE.start_main_~i~4 172), 29687#(<= ULTIMATE.start_main_~i~4 174), 29688#(<= ULTIMATE.start_main_~i~4 176), 29689#(<= ULTIMATE.start_main_~i~4 178), 29690#(<= ULTIMATE.start_main_~i~4 180), 29691#(<= ULTIMATE.start_main_~i~4 182), 29692#(<= ULTIMATE.start_main_~i~4 184), 29693#(<= ULTIMATE.start_main_~i~4 186), 29694#(<= ULTIMATE.start_main_~i~4 188), 29695#(<= ULTIMATE.start_main_~i~4 190)] [2018-07-23 13:37:54,353 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 13:37:54,353 INFO L450 AbstractCegarLoop]: Interpolant automaton has 107 states [2018-07-23 13:37:54,354 INFO L132 InterpolantAutomaton]: Constructing interpolant automaton starting with 107 interpolants. [2018-07-23 13:37:54,354 INFO L133 InterpolantAutomaton]: CoverageRelationStatistics Valid=5671, Invalid=5671, Unknown=0, NotChecked=0, Total=11342 [2018-07-23 13:37:54,354 INFO L87 Difference]: Start difference. First operand 108 states and 108 transitions. Second operand 107 states. [2018-07-23 13:37:54,425 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2018-07-23 13:37:54,425 INFO L93 Difference]: Finished difference Result 111 states and 111 transitions. [2018-07-23 13:37:54,425 INFO L142 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 107 states. [2018-07-23 13:37:54,426 INFO L78 Accepts]: Start accepts. Automaton has 107 states. Word has length 107 [2018-07-23 13:37:54,426 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2018-07-23 13:37:54,426 INFO L225 Difference]: With dead ends: 111 [2018-07-23 13:37:54,426 INFO L226 Difference]: Without dead ends: 109 [2018-07-23 13:37:54,427 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 13:37:54,427 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 109 states. [2018-07-23 13:37:54,429 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 109 to 109. [2018-07-23 13:37:54,429 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 109 states. [2018-07-23 13:37:54,429 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 109 states to 109 states and 109 transitions. [2018-07-23 13:37:54,430 INFO L78 Accepts]: Start accepts. Automaton has 109 states and 109 transitions. Word has length 107 [2018-07-23 13:37:54,430 INFO L84 Accepts]: Finished accepts. word is rejected. [2018-07-23 13:37:54,430 INFO L471 AbstractCegarLoop]: Abstraction has 109 states and 109 transitions. [2018-07-23 13:37:54,430 INFO L472 AbstractCegarLoop]: Interpolant automaton has 107 states. [2018-07-23 13:37:54,430 INFO L276 IsEmpty]: Start isEmpty. Operand 109 states and 109 transitions. [2018-07-23 13:37:54,430 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 109 [2018-07-23 13:37:54,430 INFO L349 BasicCegarLoop]: Found error trace [2018-07-23 13:37:54,430 INFO L357 BasicCegarLoop]: trace histogram [105, 1, 1, 1] [2018-07-23 13:37:54,431 INFO L414 AbstractCegarLoop]: === Iteration 106 === [ULTIMATE.startErr0AssertViolationASSERT]=== [2018-07-23 13:37:54,431 INFO L82 PathProgramCache]: Analyzing trace with hash 747933096, now seen corresponding path program 105 times [2018-07-23 13:37:54,431 INFO L69 tionRefinementEngine]: Using refinement strategy FixedRefinementStrategy [2018-07-23 13:37:54,460 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-07-23 13:37:54,804 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 13:37:54,805 INFO L309 seRefinementStrategy]: Constructing automaton from 0 perfect and 1 imperfect interpolant sequences. [2018-07-23 13:37:54,805 INFO L324 seRefinementStrategy]: Number of different interpolants: perfect sequences [] imperfect sequences [107] total 107 [2018-07-23 13:37:54,805 INFO L142 lantAutomatonBuilder]: Constructing canonical interpolant automaton, with selfloop in false state [2018-07-23 13:37:54,805 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2018-07-23 13:37:54,805 INFO L185 omatonBuilderFactory]: Interpolants [30208#(<= ULTIMATE.start_main_~i~4 122), 30209#(<= ULTIMATE.start_main_~i~4 124), 30210#(<= ULTIMATE.start_main_~i~4 126), 30211#(<= ULTIMATE.start_main_~i~4 128), 30212#(<= ULTIMATE.start_main_~i~4 130), 30213#(<= ULTIMATE.start_main_~i~4 132), 30214#(<= ULTIMATE.start_main_~i~4 134), 30215#(<= ULTIMATE.start_main_~i~4 136), 30216#(<= ULTIMATE.start_main_~i~4 138), 30217#(<= ULTIMATE.start_main_~i~4 140), 30218#(<= ULTIMATE.start_main_~i~4 142), 30219#(<= ULTIMATE.start_main_~i~4 144), 30220#(<= ULTIMATE.start_main_~i~4 146), 30221#(<= ULTIMATE.start_main_~i~4 148), 30222#(<= ULTIMATE.start_main_~i~4 150), 30223#(<= ULTIMATE.start_main_~i~4 152), 30224#(<= ULTIMATE.start_main_~i~4 154), 30225#(<= ULTIMATE.start_main_~i~4 156), 30226#(<= ULTIMATE.start_main_~i~4 158), 30227#(<= ULTIMATE.start_main_~i~4 160), 30228#(<= ULTIMATE.start_main_~i~4 162), 30229#(<= ULTIMATE.start_main_~i~4 164), 30230#(<= ULTIMATE.start_main_~i~4 166), 30231#(<= ULTIMATE.start_main_~i~4 168), 30232#(<= ULTIMATE.start_main_~i~4 170), 30233#(<= ULTIMATE.start_main_~i~4 172), 30234#(<= ULTIMATE.start_main_~i~4 174), 30235#(<= ULTIMATE.start_main_~i~4 176), 30236#(<= ULTIMATE.start_main_~i~4 178), 30237#(<= ULTIMATE.start_main_~i~4 180), 30238#(<= ULTIMATE.start_main_~i~4 182), 30239#(<= ULTIMATE.start_main_~i~4 184), 30240#(<= ULTIMATE.start_main_~i~4 186), 30241#(<= ULTIMATE.start_main_~i~4 188), 30242#(<= ULTIMATE.start_main_~i~4 190), 30243#(<= ULTIMATE.start_main_~i~4 192), 30244#(<= ULTIMATE.start_main_~i~4 194), 30245#(<= ULTIMATE.start_main_~i~4 196), 30246#(<= ULTIMATE.start_main_~i~4 198), 30247#(<= ULTIMATE.start_main_~i~4 200), 30248#(<= ULTIMATE.start_main_~i~4 202), 30249#(<= ULTIMATE.start_main_~i~4 204), 30250#(<= ULTIMATE.start_main_~i~4 206), 30251#(<= ULTIMATE.start_main_~i~4 208), 30252#(<= ULTIMATE.start_main_~i~4 210), 30145#true, 30146#false, 30147#(<= ULTIMATE.start_main_~i~4 0), 30148#(<= ULTIMATE.start_main_~i~4 2), 30149#(<= ULTIMATE.start_main_~i~4 4), 30150#(<= ULTIMATE.start_main_~i~4 6), 30151#(<= ULTIMATE.start_main_~i~4 8), 30152#(<= ULTIMATE.start_main_~i~4 10), 30153#(<= ULTIMATE.start_main_~i~4 12), 30154#(<= ULTIMATE.start_main_~i~4 14), 30155#(<= ULTIMATE.start_main_~i~4 16), 30156#(<= ULTIMATE.start_main_~i~4 18), 30157#(<= ULTIMATE.start_main_~i~4 20), 30158#(<= ULTIMATE.start_main_~i~4 22), 30159#(<= ULTIMATE.start_main_~i~4 24), 30160#(<= ULTIMATE.start_main_~i~4 26), 30161#(<= ULTIMATE.start_main_~i~4 28), 30162#(<= ULTIMATE.start_main_~i~4 30), 30163#(<= ULTIMATE.start_main_~i~4 32), 30164#(<= ULTIMATE.start_main_~i~4 34), 30165#(<= ULTIMATE.start_main_~i~4 36), 30166#(<= ULTIMATE.start_main_~i~4 38), 30167#(<= ULTIMATE.start_main_~i~4 40), 30168#(<= ULTIMATE.start_main_~i~4 42), 30169#(<= ULTIMATE.start_main_~i~4 44), 30170#(<= ULTIMATE.start_main_~i~4 46), 30171#(<= ULTIMATE.start_main_~i~4 48), 30172#(<= ULTIMATE.start_main_~i~4 50), 30173#(<= ULTIMATE.start_main_~i~4 52), 30174#(<= ULTIMATE.start_main_~i~4 54), 30175#(<= ULTIMATE.start_main_~i~4 56), 30176#(<= ULTIMATE.start_main_~i~4 58), 30177#(<= ULTIMATE.start_main_~i~4 60), 30178#(<= ULTIMATE.start_main_~i~4 62), 30179#(<= ULTIMATE.start_main_~i~4 64), 30180#(<= ULTIMATE.start_main_~i~4 66), 30181#(<= ULTIMATE.start_main_~i~4 68), 30182#(<= ULTIMATE.start_main_~i~4 70), 30183#(<= ULTIMATE.start_main_~i~4 72), 30184#(<= ULTIMATE.start_main_~i~4 74), 30185#(<= ULTIMATE.start_main_~i~4 76), 30186#(<= ULTIMATE.start_main_~i~4 78), 30187#(<= ULTIMATE.start_main_~i~4 80), 30188#(<= ULTIMATE.start_main_~i~4 82), 30189#(<= ULTIMATE.start_main_~i~4 84), 30190#(<= ULTIMATE.start_main_~i~4 86), 30191#(<= ULTIMATE.start_main_~i~4 88), 30192#(<= ULTIMATE.start_main_~i~4 90), 30193#(<= ULTIMATE.start_main_~i~4 92), 30194#(<= ULTIMATE.start_main_~i~4 94), 30195#(<= ULTIMATE.start_main_~i~4 96), 30196#(<= ULTIMATE.start_main_~i~4 98), 30197#(<= ULTIMATE.start_main_~i~4 100), 30198#(<= ULTIMATE.start_main_~i~4 102), 30199#(<= ULTIMATE.start_main_~i~4 104), 30200#(<= ULTIMATE.start_main_~i~4 106), 30201#(<= ULTIMATE.start_main_~i~4 108), 30202#(<= ULTIMATE.start_main_~i~4 110), 30203#(<= ULTIMATE.start_main_~i~4 112), 30204#(<= ULTIMATE.start_main_~i~4 114), 30205#(<= ULTIMATE.start_main_~i~4 116), 30206#(<= ULTIMATE.start_main_~i~4 118), 30207#(<= ULTIMATE.start_main_~i~4 120)] [2018-07-23 13:37:54,805 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 13:37:54,806 INFO L450 AbstractCegarLoop]: Interpolant automaton has 108 states [2018-07-23 13:37:54,806 INFO L132 InterpolantAutomaton]: Constructing interpolant automaton starting with 108 interpolants. [2018-07-23 13:37:54,806 INFO L133 InterpolantAutomaton]: CoverageRelationStatistics Valid=5778, Invalid=5778, Unknown=0, NotChecked=0, Total=11556 [2018-07-23 13:37:54,806 INFO L87 Difference]: Start difference. First operand 109 states and 109 transitions. Second operand 108 states. [2018-07-23 13:37:54,849 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2018-07-23 13:37:54,850 INFO L93 Difference]: Finished difference Result 112 states and 112 transitions. [2018-07-23 13:37:54,850 INFO L142 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 108 states. [2018-07-23 13:37:54,850 INFO L78 Accepts]: Start accepts. Automaton has 108 states. Word has length 108 [2018-07-23 13:37:54,850 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2018-07-23 13:37:54,851 INFO L225 Difference]: With dead ends: 112 [2018-07-23 13:37:54,851 INFO L226 Difference]: Without dead ends: 110 [2018-07-23 13:37:54,851 INFO L575 BasicCegarLoop]: 0 DeclaredPredicates, 107 GetRequests, 1 SyntacticMatches, 0 SemanticMatches, 106 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 0 ImplicationChecksByTransitivity, 0.3s TimeCoverageRelationStatistics Valid=5778, Invalid=5778, Unknown=0, NotChecked=0, Total=11556 [2018-07-23 13:37:54,852 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 110 states. [2018-07-23 13:37:54,854 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 110 to 110. [2018-07-23 13:37:54,854 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 110 states. [2018-07-23 13:37:54,854 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 110 states to 110 states and 110 transitions. [2018-07-23 13:37:54,855 INFO L78 Accepts]: Start accepts. Automaton has 110 states and 110 transitions. Word has length 108 [2018-07-23 13:37:54,855 INFO L84 Accepts]: Finished accepts. word is rejected. [2018-07-23 13:37:54,855 INFO L471 AbstractCegarLoop]: Abstraction has 110 states and 110 transitions. [2018-07-23 13:37:54,855 INFO L472 AbstractCegarLoop]: Interpolant automaton has 108 states. [2018-07-23 13:37:54,855 INFO L276 IsEmpty]: Start isEmpty. Operand 110 states and 110 transitions. [2018-07-23 13:37:54,856 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 110 [2018-07-23 13:37:54,856 INFO L349 BasicCegarLoop]: Found error trace [2018-07-23 13:37:54,856 INFO L357 BasicCegarLoop]: trace histogram [106, 1, 1, 1] [2018-07-23 13:37:54,856 INFO L414 AbstractCegarLoop]: === Iteration 107 === [ULTIMATE.startErr0AssertViolationASSERT]=== [2018-07-23 13:37:54,856 INFO L82 PathProgramCache]: Analyzing trace with hash 1711087521, now seen corresponding path program 106 times [2018-07-23 13:37:54,856 INFO L69 tionRefinementEngine]: Using refinement strategy FixedRefinementStrategy [2018-07-23 13:37:54,887 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-07-23 13:37:55,171 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 13:37:55,172 INFO L309 seRefinementStrategy]: Constructing automaton from 0 perfect and 1 imperfect interpolant sequences. [2018-07-23 13:37:55,172 INFO L324 seRefinementStrategy]: Number of different interpolants: perfect sequences [] imperfect sequences [108] total 108 [2018-07-23 13:37:55,172 INFO L142 lantAutomatonBuilder]: Constructing canonical interpolant automaton, with selfloop in false state [2018-07-23 13:37:55,172 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 13:37:55,172 INFO L185 omatonBuilderFactory]: Interpolants [30720#(<= ULTIMATE.start_main_~i~4 42), 30721#(<= ULTIMATE.start_main_~i~4 44), 30722#(<= ULTIMATE.start_main_~i~4 46), 30723#(<= ULTIMATE.start_main_~i~4 48), 30724#(<= ULTIMATE.start_main_~i~4 50), 30725#(<= ULTIMATE.start_main_~i~4 52), 30726#(<= ULTIMATE.start_main_~i~4 54), 30727#(<= ULTIMATE.start_main_~i~4 56), 30728#(<= ULTIMATE.start_main_~i~4 58), 30729#(<= ULTIMATE.start_main_~i~4 60), 30730#(<= ULTIMATE.start_main_~i~4 62), 30731#(<= ULTIMATE.start_main_~i~4 64), 30732#(<= ULTIMATE.start_main_~i~4 66), 30733#(<= ULTIMATE.start_main_~i~4 68), 30734#(<= ULTIMATE.start_main_~i~4 70), 30735#(<= ULTIMATE.start_main_~i~4 72), 30736#(<= ULTIMATE.start_main_~i~4 74), 30737#(<= ULTIMATE.start_main_~i~4 76), 30738#(<= ULTIMATE.start_main_~i~4 78), 30739#(<= ULTIMATE.start_main_~i~4 80), 30740#(<= ULTIMATE.start_main_~i~4 82), 30741#(<= ULTIMATE.start_main_~i~4 84), 30742#(<= ULTIMATE.start_main_~i~4 86), 30743#(<= ULTIMATE.start_main_~i~4 88), 30744#(<= ULTIMATE.start_main_~i~4 90), 30745#(<= ULTIMATE.start_main_~i~4 92), 30746#(<= ULTIMATE.start_main_~i~4 94), 30747#(<= ULTIMATE.start_main_~i~4 96), 30748#(<= ULTIMATE.start_main_~i~4 98), 30749#(<= ULTIMATE.start_main_~i~4 100), 30750#(<= ULTIMATE.start_main_~i~4 102), 30751#(<= ULTIMATE.start_main_~i~4 104), 30752#(<= ULTIMATE.start_main_~i~4 106), 30753#(<= ULTIMATE.start_main_~i~4 108), 30754#(<= ULTIMATE.start_main_~i~4 110), 30755#(<= ULTIMATE.start_main_~i~4 112), 30756#(<= ULTIMATE.start_main_~i~4 114), 30757#(<= ULTIMATE.start_main_~i~4 116), 30758#(<= ULTIMATE.start_main_~i~4 118), 30759#(<= ULTIMATE.start_main_~i~4 120), 30760#(<= ULTIMATE.start_main_~i~4 122), 30761#(<= ULTIMATE.start_main_~i~4 124), 30762#(<= ULTIMATE.start_main_~i~4 126), 30763#(<= ULTIMATE.start_main_~i~4 128), 30764#(<= ULTIMATE.start_main_~i~4 130), 30765#(<= ULTIMATE.start_main_~i~4 132), 30766#(<= ULTIMATE.start_main_~i~4 134), 30767#(<= ULTIMATE.start_main_~i~4 136), 30768#(<= ULTIMATE.start_main_~i~4 138), 30769#(<= ULTIMATE.start_main_~i~4 140), 30770#(<= ULTIMATE.start_main_~i~4 142), 30771#(<= ULTIMATE.start_main_~i~4 144), 30772#(<= ULTIMATE.start_main_~i~4 146), 30773#(<= ULTIMATE.start_main_~i~4 148), 30774#(<= ULTIMATE.start_main_~i~4 150), 30775#(<= ULTIMATE.start_main_~i~4 152), 30776#(<= ULTIMATE.start_main_~i~4 154), 30777#(<= ULTIMATE.start_main_~i~4 156), 30778#(<= ULTIMATE.start_main_~i~4 158), 30779#(<= ULTIMATE.start_main_~i~4 160), 30780#(<= ULTIMATE.start_main_~i~4 162), 30781#(<= ULTIMATE.start_main_~i~4 164), 30782#(<= ULTIMATE.start_main_~i~4 166), 30783#(<= ULTIMATE.start_main_~i~4 168), 30784#(<= ULTIMATE.start_main_~i~4 170), 30785#(<= ULTIMATE.start_main_~i~4 172), 30786#(<= ULTIMATE.start_main_~i~4 174), 30787#(<= ULTIMATE.start_main_~i~4 176), 30788#(<= ULTIMATE.start_main_~i~4 178), 30789#(<= ULTIMATE.start_main_~i~4 180), 30790#(<= ULTIMATE.start_main_~i~4 182), 30791#(<= ULTIMATE.start_main_~i~4 184), 30792#(<= ULTIMATE.start_main_~i~4 186), 30793#(<= ULTIMATE.start_main_~i~4 188), 30794#(<= ULTIMATE.start_main_~i~4 190), 30795#(<= ULTIMATE.start_main_~i~4 192), 30796#(<= ULTIMATE.start_main_~i~4 194), 30797#(<= ULTIMATE.start_main_~i~4 196), 30798#(<= ULTIMATE.start_main_~i~4 198), 30799#(<= ULTIMATE.start_main_~i~4 200), 30800#(<= ULTIMATE.start_main_~i~4 202), 30801#(<= ULTIMATE.start_main_~i~4 204), 30802#(<= ULTIMATE.start_main_~i~4 206), 30803#(<= ULTIMATE.start_main_~i~4 208), 30804#(<= ULTIMATE.start_main_~i~4 210), 30805#(<= ULTIMATE.start_main_~i~4 212), 30697#true, 30698#false, 30699#(<= ULTIMATE.start_main_~i~4 0), 30700#(<= ULTIMATE.start_main_~i~4 2), 30701#(<= ULTIMATE.start_main_~i~4 4), 30702#(<= ULTIMATE.start_main_~i~4 6), 30703#(<= ULTIMATE.start_main_~i~4 8), 30704#(<= ULTIMATE.start_main_~i~4 10), 30705#(<= ULTIMATE.start_main_~i~4 12), 30706#(<= ULTIMATE.start_main_~i~4 14), 30707#(<= ULTIMATE.start_main_~i~4 16), 30708#(<= ULTIMATE.start_main_~i~4 18), 30709#(<= ULTIMATE.start_main_~i~4 20), 30710#(<= ULTIMATE.start_main_~i~4 22), 30711#(<= ULTIMATE.start_main_~i~4 24), 30712#(<= ULTIMATE.start_main_~i~4 26), 30713#(<= ULTIMATE.start_main_~i~4 28), 30714#(<= ULTIMATE.start_main_~i~4 30), 30715#(<= ULTIMATE.start_main_~i~4 32), 30716#(<= ULTIMATE.start_main_~i~4 34), 30717#(<= ULTIMATE.start_main_~i~4 36), 30718#(<= ULTIMATE.start_main_~i~4 38), 30719#(<= ULTIMATE.start_main_~i~4 40)] [2018-07-23 13:37:55,173 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 13:37:55,173 INFO L450 AbstractCegarLoop]: Interpolant automaton has 109 states [2018-07-23 13:37:55,174 INFO L132 InterpolantAutomaton]: Constructing interpolant automaton starting with 109 interpolants. [2018-07-23 13:37:55,174 INFO L133 InterpolantAutomaton]: CoverageRelationStatistics Valid=5886, Invalid=5886, Unknown=0, NotChecked=0, Total=11772 [2018-07-23 13:37:55,174 INFO L87 Difference]: Start difference. First operand 110 states and 110 transitions. Second operand 109 states. [2018-07-23 13:37:55,260 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2018-07-23 13:37:55,260 INFO L93 Difference]: Finished difference Result 113 states and 113 transitions. [2018-07-23 13:37:55,260 INFO L142 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 109 states. [2018-07-23 13:37:55,260 INFO L78 Accepts]: Start accepts. Automaton has 109 states. Word has length 109 [2018-07-23 13:37:55,261 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2018-07-23 13:37:55,261 INFO L225 Difference]: With dead ends: 113 [2018-07-23 13:37:55,261 INFO L226 Difference]: Without dead ends: 111 [2018-07-23 13:37:55,262 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 13:37:55,262 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 111 states. [2018-07-23 13:37:55,265 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 111 to 111. [2018-07-23 13:37:55,265 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 111 states. [2018-07-23 13:37:55,265 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 111 states to 111 states and 111 transitions. [2018-07-23 13:37:55,265 INFO L78 Accepts]: Start accepts. Automaton has 111 states and 111 transitions. Word has length 109 [2018-07-23 13:37:55,266 INFO L84 Accepts]: Finished accepts. word is rejected. [2018-07-23 13:37:55,266 INFO L471 AbstractCegarLoop]: Abstraction has 111 states and 111 transitions. [2018-07-23 13:37:55,266 INFO L472 AbstractCegarLoop]: Interpolant automaton has 109 states. [2018-07-23 13:37:55,266 INFO L276 IsEmpty]: Start isEmpty. Operand 111 states and 111 transitions. [2018-07-23 13:37:55,266 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 111 [2018-07-23 13:37:55,267 INFO L349 BasicCegarLoop]: Found error trace [2018-07-23 13:37:55,267 INFO L357 BasicCegarLoop]: trace histogram [107, 1, 1, 1] [2018-07-23 13:37:55,267 INFO L414 AbstractCegarLoop]: === Iteration 108 === [ULTIMATE.startErr0AssertViolationASSERT]=== [2018-07-23 13:37:55,267 INFO L82 PathProgramCache]: Analyzing trace with hash 1504103624, now seen corresponding path program 107 times [2018-07-23 13:37:55,273 INFO L69 tionRefinementEngine]: Using refinement strategy FixedRefinementStrategy [2018-07-23 13:37:55,309 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-07-23 13:37:55,565 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 13:37:55,565 INFO L309 seRefinementStrategy]: Constructing automaton from 0 perfect and 1 imperfect interpolant sequences. [2018-07-23 13:37:55,565 INFO L324 seRefinementStrategy]: Number of different interpolants: perfect sequences [] imperfect sequences [109] total 109 [2018-07-23 13:37:55,565 INFO L142 lantAutomatonBuilder]: Constructing canonical interpolant automaton, with selfloop in false state [2018-07-23 13:37:55,566 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 13:37:55,566 INFO L185 omatonBuilderFactory]: Interpolants [31254#true, 31255#false, 31256#(<= ULTIMATE.start_main_~i~4 0), 31257#(<= ULTIMATE.start_main_~i~4 2), 31258#(<= ULTIMATE.start_main_~i~4 4), 31259#(<= ULTIMATE.start_main_~i~4 6), 31260#(<= ULTIMATE.start_main_~i~4 8), 31261#(<= ULTIMATE.start_main_~i~4 10), 31262#(<= ULTIMATE.start_main_~i~4 12), 31263#(<= ULTIMATE.start_main_~i~4 14), 31264#(<= ULTIMATE.start_main_~i~4 16), 31265#(<= ULTIMATE.start_main_~i~4 18), 31266#(<= ULTIMATE.start_main_~i~4 20), 31267#(<= ULTIMATE.start_main_~i~4 22), 31268#(<= ULTIMATE.start_main_~i~4 24), 31269#(<= ULTIMATE.start_main_~i~4 26), 31270#(<= ULTIMATE.start_main_~i~4 28), 31271#(<= ULTIMATE.start_main_~i~4 30), 31272#(<= ULTIMATE.start_main_~i~4 32), 31273#(<= ULTIMATE.start_main_~i~4 34), 31274#(<= ULTIMATE.start_main_~i~4 36), 31275#(<= ULTIMATE.start_main_~i~4 38), 31276#(<= ULTIMATE.start_main_~i~4 40), 31277#(<= ULTIMATE.start_main_~i~4 42), 31278#(<= ULTIMATE.start_main_~i~4 44), 31279#(<= ULTIMATE.start_main_~i~4 46), 31280#(<= ULTIMATE.start_main_~i~4 48), 31281#(<= ULTIMATE.start_main_~i~4 50), 31282#(<= ULTIMATE.start_main_~i~4 52), 31283#(<= ULTIMATE.start_main_~i~4 54), 31284#(<= ULTIMATE.start_main_~i~4 56), 31285#(<= ULTIMATE.start_main_~i~4 58), 31286#(<= ULTIMATE.start_main_~i~4 60), 31287#(<= ULTIMATE.start_main_~i~4 62), 31288#(<= ULTIMATE.start_main_~i~4 64), 31289#(<= ULTIMATE.start_main_~i~4 66), 31290#(<= ULTIMATE.start_main_~i~4 68), 31291#(<= ULTIMATE.start_main_~i~4 70), 31292#(<= ULTIMATE.start_main_~i~4 72), 31293#(<= ULTIMATE.start_main_~i~4 74), 31294#(<= ULTIMATE.start_main_~i~4 76), 31295#(<= ULTIMATE.start_main_~i~4 78), 31296#(<= ULTIMATE.start_main_~i~4 80), 31297#(<= ULTIMATE.start_main_~i~4 82), 31298#(<= ULTIMATE.start_main_~i~4 84), 31299#(<= ULTIMATE.start_main_~i~4 86), 31300#(<= ULTIMATE.start_main_~i~4 88), 31301#(<= ULTIMATE.start_main_~i~4 90), 31302#(<= ULTIMATE.start_main_~i~4 92), 31303#(<= ULTIMATE.start_main_~i~4 94), 31304#(<= ULTIMATE.start_main_~i~4 96), 31305#(<= ULTIMATE.start_main_~i~4 98), 31306#(<= ULTIMATE.start_main_~i~4 100), 31307#(<= ULTIMATE.start_main_~i~4 102), 31308#(<= ULTIMATE.start_main_~i~4 104), 31309#(<= ULTIMATE.start_main_~i~4 106), 31310#(<= ULTIMATE.start_main_~i~4 108), 31311#(<= ULTIMATE.start_main_~i~4 110), 31312#(<= ULTIMATE.start_main_~i~4 112), 31313#(<= ULTIMATE.start_main_~i~4 114), 31314#(<= ULTIMATE.start_main_~i~4 116), 31315#(<= ULTIMATE.start_main_~i~4 118), 31316#(<= ULTIMATE.start_main_~i~4 120), 31317#(<= ULTIMATE.start_main_~i~4 122), 31318#(<= ULTIMATE.start_main_~i~4 124), 31319#(<= ULTIMATE.start_main_~i~4 126), 31320#(<= ULTIMATE.start_main_~i~4 128), 31321#(<= ULTIMATE.start_main_~i~4 130), 31322#(<= ULTIMATE.start_main_~i~4 132), 31323#(<= ULTIMATE.start_main_~i~4 134), 31324#(<= ULTIMATE.start_main_~i~4 136), 31325#(<= ULTIMATE.start_main_~i~4 138), 31326#(<= ULTIMATE.start_main_~i~4 140), 31327#(<= ULTIMATE.start_main_~i~4 142), 31328#(<= ULTIMATE.start_main_~i~4 144), 31329#(<= ULTIMATE.start_main_~i~4 146), 31330#(<= ULTIMATE.start_main_~i~4 148), 31331#(<= ULTIMATE.start_main_~i~4 150), 31332#(<= ULTIMATE.start_main_~i~4 152), 31333#(<= ULTIMATE.start_main_~i~4 154), 31334#(<= ULTIMATE.start_main_~i~4 156), 31335#(<= ULTIMATE.start_main_~i~4 158), 31336#(<= ULTIMATE.start_main_~i~4 160), 31337#(<= ULTIMATE.start_main_~i~4 162), 31338#(<= ULTIMATE.start_main_~i~4 164), 31339#(<= ULTIMATE.start_main_~i~4 166), 31340#(<= ULTIMATE.start_main_~i~4 168), 31341#(<= ULTIMATE.start_main_~i~4 170), 31342#(<= ULTIMATE.start_main_~i~4 172), 31343#(<= ULTIMATE.start_main_~i~4 174), 31344#(<= ULTIMATE.start_main_~i~4 176), 31345#(<= ULTIMATE.start_main_~i~4 178), 31346#(<= ULTIMATE.start_main_~i~4 180), 31347#(<= ULTIMATE.start_main_~i~4 182), 31348#(<= ULTIMATE.start_main_~i~4 184), 31349#(<= ULTIMATE.start_main_~i~4 186), 31350#(<= ULTIMATE.start_main_~i~4 188), 31351#(<= ULTIMATE.start_main_~i~4 190), 31352#(<= ULTIMATE.start_main_~i~4 192), 31353#(<= ULTIMATE.start_main_~i~4 194), 31354#(<= ULTIMATE.start_main_~i~4 196), 31355#(<= ULTIMATE.start_main_~i~4 198), 31356#(<= ULTIMATE.start_main_~i~4 200), 31357#(<= ULTIMATE.start_main_~i~4 202), 31358#(<= ULTIMATE.start_main_~i~4 204), 31359#(<= ULTIMATE.start_main_~i~4 206), 31360#(<= ULTIMATE.start_main_~i~4 208), 31361#(<= ULTIMATE.start_main_~i~4 210), 31362#(<= ULTIMATE.start_main_~i~4 212), 31363#(<= ULTIMATE.start_main_~i~4 214)] [2018-07-23 13:37:55,566 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 13:37:55,566 INFO L450 AbstractCegarLoop]: Interpolant automaton has 110 states [2018-07-23 13:37:55,567 INFO L132 InterpolantAutomaton]: Constructing interpolant automaton starting with 110 interpolants. [2018-07-23 13:37:55,568 INFO L133 InterpolantAutomaton]: CoverageRelationStatistics Valid=5995, Invalid=5995, Unknown=0, NotChecked=0, Total=11990 [2018-07-23 13:37:55,568 INFO L87 Difference]: Start difference. First operand 111 states and 111 transitions. Second operand 110 states. [2018-07-23 13:37:55,687 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2018-07-23 13:37:55,687 INFO L93 Difference]: Finished difference Result 114 states and 114 transitions. [2018-07-23 13:37:55,687 INFO L142 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 110 states. [2018-07-23 13:37:55,687 INFO L78 Accepts]: Start accepts. Automaton has 110 states. Word has length 110 [2018-07-23 13:37:55,688 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2018-07-23 13:37:55,688 INFO L225 Difference]: With dead ends: 114 [2018-07-23 13:37:55,688 INFO L226 Difference]: Without dead ends: 112 [2018-07-23 13:37:55,689 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 13:37:55,690 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 112 states. [2018-07-23 13:37:55,693 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 112 to 112. [2018-07-23 13:37:55,693 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 112 states. [2018-07-23 13:37:55,693 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 112 states to 112 states and 112 transitions. [2018-07-23 13:37:55,693 INFO L78 Accepts]: Start accepts. Automaton has 112 states and 112 transitions. Word has length 110 [2018-07-23 13:37:55,694 INFO L84 Accepts]: Finished accepts. word is rejected. [2018-07-23 13:37:55,694 INFO L471 AbstractCegarLoop]: Abstraction has 112 states and 112 transitions. [2018-07-23 13:37:55,694 INFO L472 AbstractCegarLoop]: Interpolant automaton has 110 states. [2018-07-23 13:37:55,694 INFO L276 IsEmpty]: Start isEmpty. Operand 112 states and 112 transitions. [2018-07-23 13:37:55,695 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 112 [2018-07-23 13:37:55,695 INFO L349 BasicCegarLoop]: Found error trace [2018-07-23 13:37:55,695 INFO L357 BasicCegarLoop]: trace histogram [108, 1, 1, 1] [2018-07-23 13:37:55,695 INFO L414 AbstractCegarLoop]: === Iteration 109 === [ULTIMATE.startErr0AssertViolationASSERT]=== [2018-07-23 13:37:55,695 INFO L82 PathProgramCache]: Analyzing trace with hash -617429887, now seen corresponding path program 108 times [2018-07-23 13:37:55,695 INFO L69 tionRefinementEngine]: Using refinement strategy FixedRefinementStrategy [2018-07-23 13:37:55,736 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-07-23 13:37:55,982 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 13:37:55,982 INFO L309 seRefinementStrategy]: Constructing automaton from 0 perfect and 1 imperfect interpolant sequences. [2018-07-23 13:37:55,982 INFO L324 seRefinementStrategy]: Number of different interpolants: perfect sequences [] imperfect sequences [110] total 110 [2018-07-23 13:37:55,982 INFO L142 lantAutomatonBuilder]: Constructing canonical interpolant automaton, with selfloop in false state [2018-07-23 13:37:55,983 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2018-07-23 13:37:55,983 INFO L185 omatonBuilderFactory]: Interpolants [31816#true, 31817#false, 31818#(<= ULTIMATE.start_main_~i~4 0), 31819#(<= ULTIMATE.start_main_~i~4 2), 31820#(<= ULTIMATE.start_main_~i~4 4), 31821#(<= ULTIMATE.start_main_~i~4 6), 31822#(<= ULTIMATE.start_main_~i~4 8), 31823#(<= ULTIMATE.start_main_~i~4 10), 31824#(<= ULTIMATE.start_main_~i~4 12), 31825#(<= ULTIMATE.start_main_~i~4 14), 31826#(<= ULTIMATE.start_main_~i~4 16), 31827#(<= ULTIMATE.start_main_~i~4 18), 31828#(<= ULTIMATE.start_main_~i~4 20), 31829#(<= ULTIMATE.start_main_~i~4 22), 31830#(<= ULTIMATE.start_main_~i~4 24), 31831#(<= ULTIMATE.start_main_~i~4 26), 31832#(<= ULTIMATE.start_main_~i~4 28), 31833#(<= ULTIMATE.start_main_~i~4 30), 31834#(<= ULTIMATE.start_main_~i~4 32), 31835#(<= ULTIMATE.start_main_~i~4 34), 31836#(<= ULTIMATE.start_main_~i~4 36), 31837#(<= ULTIMATE.start_main_~i~4 38), 31838#(<= ULTIMATE.start_main_~i~4 40), 31839#(<= ULTIMATE.start_main_~i~4 42), 31840#(<= ULTIMATE.start_main_~i~4 44), 31841#(<= ULTIMATE.start_main_~i~4 46), 31842#(<= ULTIMATE.start_main_~i~4 48), 31843#(<= ULTIMATE.start_main_~i~4 50), 31844#(<= ULTIMATE.start_main_~i~4 52), 31845#(<= ULTIMATE.start_main_~i~4 54), 31846#(<= ULTIMATE.start_main_~i~4 56), 31847#(<= ULTIMATE.start_main_~i~4 58), 31848#(<= ULTIMATE.start_main_~i~4 60), 31849#(<= ULTIMATE.start_main_~i~4 62), 31850#(<= ULTIMATE.start_main_~i~4 64), 31851#(<= ULTIMATE.start_main_~i~4 66), 31852#(<= ULTIMATE.start_main_~i~4 68), 31853#(<= ULTIMATE.start_main_~i~4 70), 31854#(<= ULTIMATE.start_main_~i~4 72), 31855#(<= ULTIMATE.start_main_~i~4 74), 31856#(<= ULTIMATE.start_main_~i~4 76), 31857#(<= ULTIMATE.start_main_~i~4 78), 31858#(<= ULTIMATE.start_main_~i~4 80), 31859#(<= ULTIMATE.start_main_~i~4 82), 31860#(<= ULTIMATE.start_main_~i~4 84), 31861#(<= ULTIMATE.start_main_~i~4 86), 31862#(<= ULTIMATE.start_main_~i~4 88), 31863#(<= ULTIMATE.start_main_~i~4 90), 31864#(<= ULTIMATE.start_main_~i~4 92), 31865#(<= ULTIMATE.start_main_~i~4 94), 31866#(<= ULTIMATE.start_main_~i~4 96), 31867#(<= ULTIMATE.start_main_~i~4 98), 31868#(<= ULTIMATE.start_main_~i~4 100), 31869#(<= ULTIMATE.start_main_~i~4 102), 31870#(<= ULTIMATE.start_main_~i~4 104), 31871#(<= ULTIMATE.start_main_~i~4 106), 31872#(<= ULTIMATE.start_main_~i~4 108), 31873#(<= ULTIMATE.start_main_~i~4 110), 31874#(<= ULTIMATE.start_main_~i~4 112), 31875#(<= ULTIMATE.start_main_~i~4 114), 31876#(<= ULTIMATE.start_main_~i~4 116), 31877#(<= ULTIMATE.start_main_~i~4 118), 31878#(<= ULTIMATE.start_main_~i~4 120), 31879#(<= ULTIMATE.start_main_~i~4 122), 31880#(<= ULTIMATE.start_main_~i~4 124), 31881#(<= ULTIMATE.start_main_~i~4 126), 31882#(<= ULTIMATE.start_main_~i~4 128), 31883#(<= ULTIMATE.start_main_~i~4 130), 31884#(<= ULTIMATE.start_main_~i~4 132), 31885#(<= ULTIMATE.start_main_~i~4 134), 31886#(<= ULTIMATE.start_main_~i~4 136), 31887#(<= ULTIMATE.start_main_~i~4 138), 31888#(<= ULTIMATE.start_main_~i~4 140), 31889#(<= ULTIMATE.start_main_~i~4 142), 31890#(<= ULTIMATE.start_main_~i~4 144), 31891#(<= ULTIMATE.start_main_~i~4 146), 31892#(<= ULTIMATE.start_main_~i~4 148), 31893#(<= ULTIMATE.start_main_~i~4 150), 31894#(<= ULTIMATE.start_main_~i~4 152), 31895#(<= ULTIMATE.start_main_~i~4 154), 31896#(<= ULTIMATE.start_main_~i~4 156), 31897#(<= ULTIMATE.start_main_~i~4 158), 31898#(<= ULTIMATE.start_main_~i~4 160), 31899#(<= ULTIMATE.start_main_~i~4 162), 31900#(<= ULTIMATE.start_main_~i~4 164), 31901#(<= ULTIMATE.start_main_~i~4 166), 31902#(<= ULTIMATE.start_main_~i~4 168), 31903#(<= ULTIMATE.start_main_~i~4 170), 31904#(<= ULTIMATE.start_main_~i~4 172), 31905#(<= ULTIMATE.start_main_~i~4 174), 31906#(<= ULTIMATE.start_main_~i~4 176), 31907#(<= ULTIMATE.start_main_~i~4 178), 31908#(<= ULTIMATE.start_main_~i~4 180), 31909#(<= ULTIMATE.start_main_~i~4 182), 31910#(<= ULTIMATE.start_main_~i~4 184), 31911#(<= ULTIMATE.start_main_~i~4 186), 31912#(<= ULTIMATE.start_main_~i~4 188), 31913#(<= ULTIMATE.start_main_~i~4 190), 31914#(<= ULTIMATE.start_main_~i~4 192), 31915#(<= ULTIMATE.start_main_~i~4 194), 31916#(<= ULTIMATE.start_main_~i~4 196), 31917#(<= ULTIMATE.start_main_~i~4 198), 31918#(<= ULTIMATE.start_main_~i~4 200), 31919#(<= ULTIMATE.start_main_~i~4 202), 31920#(<= ULTIMATE.start_main_~i~4 204), 31921#(<= ULTIMATE.start_main_~i~4 206), 31922#(<= ULTIMATE.start_main_~i~4 208), 31923#(<= ULTIMATE.start_main_~i~4 210), 31924#(<= ULTIMATE.start_main_~i~4 212), 31925#(<= ULTIMATE.start_main_~i~4 214), 31926#(<= ULTIMATE.start_main_~i~4 216)] [2018-07-23 13:37:55,983 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 13:37:55,984 INFO L450 AbstractCegarLoop]: Interpolant automaton has 111 states [2018-07-23 13:37:55,985 INFO L132 InterpolantAutomaton]: Constructing interpolant automaton starting with 111 interpolants. [2018-07-23 13:37:55,985 INFO L133 InterpolantAutomaton]: CoverageRelationStatistics Valid=6105, Invalid=6105, Unknown=0, NotChecked=0, Total=12210 [2018-07-23 13:37:55,986 INFO L87 Difference]: Start difference. First operand 112 states and 112 transitions. Second operand 111 states. [2018-07-23 13:37:56,059 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2018-07-23 13:37:56,059 INFO L93 Difference]: Finished difference Result 115 states and 115 transitions. [2018-07-23 13:37:56,059 INFO L142 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 111 states. [2018-07-23 13:37:56,059 INFO L78 Accepts]: Start accepts. Automaton has 111 states. Word has length 111 [2018-07-23 13:37:56,059 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2018-07-23 13:37:56,060 INFO L225 Difference]: With dead ends: 115 [2018-07-23 13:37:56,060 INFO L226 Difference]: Without dead ends: 113 [2018-07-23 13:37:56,060 INFO L575 BasicCegarLoop]: 0 DeclaredPredicates, 110 GetRequests, 1 SyntacticMatches, 0 SemanticMatches, 109 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 0 ImplicationChecksByTransitivity, 0.2s TimeCoverageRelationStatistics Valid=6105, Invalid=6105, Unknown=0, NotChecked=0, Total=12210 [2018-07-23 13:37:56,060 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 113 states. [2018-07-23 13:37:56,062 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 113 to 113. [2018-07-23 13:37:56,062 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 113 states. [2018-07-23 13:37:56,063 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 113 states to 113 states and 113 transitions. [2018-07-23 13:37:56,063 INFO L78 Accepts]: Start accepts. Automaton has 113 states and 113 transitions. Word has length 111 [2018-07-23 13:37:56,063 INFO L84 Accepts]: Finished accepts. word is rejected. [2018-07-23 13:37:56,063 INFO L471 AbstractCegarLoop]: Abstraction has 113 states and 113 transitions. [2018-07-23 13:37:56,063 INFO L472 AbstractCegarLoop]: Interpolant automaton has 111 states. [2018-07-23 13:37:56,063 INFO L276 IsEmpty]: Start isEmpty. Operand 113 states and 113 transitions. [2018-07-23 13:37:56,064 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 113 [2018-07-23 13:37:56,064 INFO L349 BasicCegarLoop]: Found error trace [2018-07-23 13:37:56,064 INFO L357 BasicCegarLoop]: trace histogram [109, 1, 1, 1] [2018-07-23 13:37:56,064 INFO L414 AbstractCegarLoop]: === Iteration 110 === [ULTIMATE.startErr0AssertViolationASSERT]=== [2018-07-23 13:37:56,064 INFO L82 PathProgramCache]: Analyzing trace with hash -1960459288, now seen corresponding path program 109 times [2018-07-23 13:37:56,064 INFO L69 tionRefinementEngine]: Using refinement strategy FixedRefinementStrategy [2018-07-23 13:37:56,098 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-07-23 13:37:56,438 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 13:37:56,438 INFO L309 seRefinementStrategy]: Constructing automaton from 0 perfect and 1 imperfect interpolant sequences. [2018-07-23 13:37:56,438 INFO L324 seRefinementStrategy]: Number of different interpolants: perfect sequences [] imperfect sequences [111] total 111 [2018-07-23 13:37:56,438 INFO L142 lantAutomatonBuilder]: Constructing canonical interpolant automaton, with selfloop in false state [2018-07-23 13:37:56,438 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2018-07-23 13:37:56,439 INFO L185 omatonBuilderFactory]: Interpolants [32383#true, 32384#false, 32385#(<= ULTIMATE.start_main_~i~4 0), 32386#(<= ULTIMATE.start_main_~i~4 2), 32387#(<= ULTIMATE.start_main_~i~4 4), 32388#(<= ULTIMATE.start_main_~i~4 6), 32389#(<= ULTIMATE.start_main_~i~4 8), 32390#(<= ULTIMATE.start_main_~i~4 10), 32391#(<= ULTIMATE.start_main_~i~4 12), 32392#(<= ULTIMATE.start_main_~i~4 14), 32393#(<= ULTIMATE.start_main_~i~4 16), 32394#(<= ULTIMATE.start_main_~i~4 18), 32395#(<= ULTIMATE.start_main_~i~4 20), 32396#(<= ULTIMATE.start_main_~i~4 22), 32397#(<= ULTIMATE.start_main_~i~4 24), 32398#(<= ULTIMATE.start_main_~i~4 26), 32399#(<= ULTIMATE.start_main_~i~4 28), 32400#(<= ULTIMATE.start_main_~i~4 30), 32401#(<= ULTIMATE.start_main_~i~4 32), 32402#(<= ULTIMATE.start_main_~i~4 34), 32403#(<= ULTIMATE.start_main_~i~4 36), 32404#(<= ULTIMATE.start_main_~i~4 38), 32405#(<= ULTIMATE.start_main_~i~4 40), 32406#(<= ULTIMATE.start_main_~i~4 42), 32407#(<= ULTIMATE.start_main_~i~4 44), 32408#(<= ULTIMATE.start_main_~i~4 46), 32409#(<= ULTIMATE.start_main_~i~4 48), 32410#(<= ULTIMATE.start_main_~i~4 50), 32411#(<= ULTIMATE.start_main_~i~4 52), 32412#(<= ULTIMATE.start_main_~i~4 54), 32413#(<= ULTIMATE.start_main_~i~4 56), 32414#(<= ULTIMATE.start_main_~i~4 58), 32415#(<= ULTIMATE.start_main_~i~4 60), 32416#(<= ULTIMATE.start_main_~i~4 62), 32417#(<= ULTIMATE.start_main_~i~4 64), 32418#(<= ULTIMATE.start_main_~i~4 66), 32419#(<= ULTIMATE.start_main_~i~4 68), 32420#(<= ULTIMATE.start_main_~i~4 70), 32421#(<= ULTIMATE.start_main_~i~4 72), 32422#(<= ULTIMATE.start_main_~i~4 74), 32423#(<= ULTIMATE.start_main_~i~4 76), 32424#(<= ULTIMATE.start_main_~i~4 78), 32425#(<= ULTIMATE.start_main_~i~4 80), 32426#(<= ULTIMATE.start_main_~i~4 82), 32427#(<= ULTIMATE.start_main_~i~4 84), 32428#(<= ULTIMATE.start_main_~i~4 86), 32429#(<= ULTIMATE.start_main_~i~4 88), 32430#(<= ULTIMATE.start_main_~i~4 90), 32431#(<= ULTIMATE.start_main_~i~4 92), 32432#(<= ULTIMATE.start_main_~i~4 94), 32433#(<= ULTIMATE.start_main_~i~4 96), 32434#(<= ULTIMATE.start_main_~i~4 98), 32435#(<= ULTIMATE.start_main_~i~4 100), 32436#(<= ULTIMATE.start_main_~i~4 102), 32437#(<= ULTIMATE.start_main_~i~4 104), 32438#(<= ULTIMATE.start_main_~i~4 106), 32439#(<= ULTIMATE.start_main_~i~4 108), 32440#(<= ULTIMATE.start_main_~i~4 110), 32441#(<= ULTIMATE.start_main_~i~4 112), 32442#(<= ULTIMATE.start_main_~i~4 114), 32443#(<= ULTIMATE.start_main_~i~4 116), 32444#(<= ULTIMATE.start_main_~i~4 118), 32445#(<= ULTIMATE.start_main_~i~4 120), 32446#(<= ULTIMATE.start_main_~i~4 122), 32447#(<= ULTIMATE.start_main_~i~4 124), 32448#(<= ULTIMATE.start_main_~i~4 126), 32449#(<= ULTIMATE.start_main_~i~4 128), 32450#(<= ULTIMATE.start_main_~i~4 130), 32451#(<= ULTIMATE.start_main_~i~4 132), 32452#(<= ULTIMATE.start_main_~i~4 134), 32453#(<= ULTIMATE.start_main_~i~4 136), 32454#(<= ULTIMATE.start_main_~i~4 138), 32455#(<= ULTIMATE.start_main_~i~4 140), 32456#(<= ULTIMATE.start_main_~i~4 142), 32457#(<= ULTIMATE.start_main_~i~4 144), 32458#(<= ULTIMATE.start_main_~i~4 146), 32459#(<= ULTIMATE.start_main_~i~4 148), 32460#(<= ULTIMATE.start_main_~i~4 150), 32461#(<= ULTIMATE.start_main_~i~4 152), 32462#(<= ULTIMATE.start_main_~i~4 154), 32463#(<= ULTIMATE.start_main_~i~4 156), 32464#(<= ULTIMATE.start_main_~i~4 158), 32465#(<= ULTIMATE.start_main_~i~4 160), 32466#(<= ULTIMATE.start_main_~i~4 162), 32467#(<= ULTIMATE.start_main_~i~4 164), 32468#(<= ULTIMATE.start_main_~i~4 166), 32469#(<= ULTIMATE.start_main_~i~4 168), 32470#(<= ULTIMATE.start_main_~i~4 170), 32471#(<= ULTIMATE.start_main_~i~4 172), 32472#(<= ULTIMATE.start_main_~i~4 174), 32473#(<= ULTIMATE.start_main_~i~4 176), 32474#(<= ULTIMATE.start_main_~i~4 178), 32475#(<= ULTIMATE.start_main_~i~4 180), 32476#(<= ULTIMATE.start_main_~i~4 182), 32477#(<= ULTIMATE.start_main_~i~4 184), 32478#(<= ULTIMATE.start_main_~i~4 186), 32479#(<= ULTIMATE.start_main_~i~4 188), 32480#(<= ULTIMATE.start_main_~i~4 190), 32481#(<= ULTIMATE.start_main_~i~4 192), 32482#(<= ULTIMATE.start_main_~i~4 194), 32483#(<= ULTIMATE.start_main_~i~4 196), 32484#(<= ULTIMATE.start_main_~i~4 198), 32485#(<= ULTIMATE.start_main_~i~4 200), 32486#(<= ULTIMATE.start_main_~i~4 202), 32487#(<= ULTIMATE.start_main_~i~4 204), 32488#(<= ULTIMATE.start_main_~i~4 206), 32489#(<= ULTIMATE.start_main_~i~4 208), 32490#(<= ULTIMATE.start_main_~i~4 210), 32491#(<= ULTIMATE.start_main_~i~4 212), 32492#(<= ULTIMATE.start_main_~i~4 214), 32493#(<= ULTIMATE.start_main_~i~4 216), 32494#(<= ULTIMATE.start_main_~i~4 218)] [2018-07-23 13:37:56,439 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 13:37:56,439 INFO L450 AbstractCegarLoop]: Interpolant automaton has 112 states [2018-07-23 13:37:56,440 INFO L132 InterpolantAutomaton]: Constructing interpolant automaton starting with 112 interpolants. [2018-07-23 13:37:56,441 INFO L133 InterpolantAutomaton]: CoverageRelationStatistics Valid=6216, Invalid=6216, Unknown=0, NotChecked=0, Total=12432 [2018-07-23 13:37:56,441 INFO L87 Difference]: Start difference. First operand 113 states and 113 transitions. Second operand 112 states. [2018-07-23 13:37:56,559 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2018-07-23 13:37:56,559 INFO L93 Difference]: Finished difference Result 116 states and 116 transitions. [2018-07-23 13:37:56,560 INFO L142 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 112 states. [2018-07-23 13:37:56,560 INFO L78 Accepts]: Start accepts. Automaton has 112 states. Word has length 112 [2018-07-23 13:37:56,560 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2018-07-23 13:37:56,560 INFO L225 Difference]: With dead ends: 116 [2018-07-23 13:37:56,560 INFO L226 Difference]: Without dead ends: 114 [2018-07-23 13:37:56,561 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 13:37:56,561 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 114 states. [2018-07-23 13:37:56,564 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 114 to 114. [2018-07-23 13:37:56,565 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 114 states. [2018-07-23 13:37:56,565 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 114 states to 114 states and 114 transitions. [2018-07-23 13:37:56,565 INFO L78 Accepts]: Start accepts. Automaton has 114 states and 114 transitions. Word has length 112 [2018-07-23 13:37:56,565 INFO L84 Accepts]: Finished accepts. word is rejected. [2018-07-23 13:37:56,566 INFO L471 AbstractCegarLoop]: Abstraction has 114 states and 114 transitions. [2018-07-23 13:37:56,566 INFO L472 AbstractCegarLoop]: Interpolant automaton has 112 states. [2018-07-23 13:37:56,566 INFO L276 IsEmpty]: Start isEmpty. Operand 114 states and 114 transitions. [2018-07-23 13:37:56,566 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 114 [2018-07-23 13:37:56,566 INFO L349 BasicCegarLoop]: Found error trace [2018-07-23 13:37:56,567 INFO L357 BasicCegarLoop]: trace histogram [110, 1, 1, 1] [2018-07-23 13:37:56,567 INFO L414 AbstractCegarLoop]: === Iteration 111 === [ULTIMATE.startErr0AssertViolationASSERT]=== [2018-07-23 13:37:56,567 INFO L82 PathProgramCache]: Analyzing trace with hash -644697759, now seen corresponding path program 110 times [2018-07-23 13:37:56,567 INFO L69 tionRefinementEngine]: Using refinement strategy FixedRefinementStrategy [2018-07-23 13:37:56,606 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-07-23 13:37:56,892 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 13:37:56,892 INFO L309 seRefinementStrategy]: Constructing automaton from 0 perfect and 1 imperfect interpolant sequences. [2018-07-23 13:37:56,892 INFO L324 seRefinementStrategy]: Number of different interpolants: perfect sequences [] imperfect sequences [112] total 112 [2018-07-23 13:37:56,892 INFO L142 lantAutomatonBuilder]: Constructing canonical interpolant automaton, with selfloop in false state [2018-07-23 13:37:56,892 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2018-07-23 13:37:56,893 INFO L185 omatonBuilderFactory]: Interpolants [33024#(<= ULTIMATE.start_main_~i~4 134), 33025#(<= ULTIMATE.start_main_~i~4 136), 33026#(<= ULTIMATE.start_main_~i~4 138), 33027#(<= ULTIMATE.start_main_~i~4 140), 33028#(<= ULTIMATE.start_main_~i~4 142), 33029#(<= ULTIMATE.start_main_~i~4 144), 33030#(<= ULTIMATE.start_main_~i~4 146), 33031#(<= ULTIMATE.start_main_~i~4 148), 33032#(<= ULTIMATE.start_main_~i~4 150), 33033#(<= ULTIMATE.start_main_~i~4 152), 33034#(<= ULTIMATE.start_main_~i~4 154), 33035#(<= ULTIMATE.start_main_~i~4 156), 33036#(<= ULTIMATE.start_main_~i~4 158), 33037#(<= ULTIMATE.start_main_~i~4 160), 33038#(<= ULTIMATE.start_main_~i~4 162), 33039#(<= ULTIMATE.start_main_~i~4 164), 33040#(<= ULTIMATE.start_main_~i~4 166), 33041#(<= ULTIMATE.start_main_~i~4 168), 33042#(<= ULTIMATE.start_main_~i~4 170), 33043#(<= ULTIMATE.start_main_~i~4 172), 33044#(<= ULTIMATE.start_main_~i~4 174), 33045#(<= ULTIMATE.start_main_~i~4 176), 33046#(<= ULTIMATE.start_main_~i~4 178), 33047#(<= ULTIMATE.start_main_~i~4 180), 33048#(<= ULTIMATE.start_main_~i~4 182), 33049#(<= ULTIMATE.start_main_~i~4 184), 33050#(<= ULTIMATE.start_main_~i~4 186), 33051#(<= ULTIMATE.start_main_~i~4 188), 33052#(<= ULTIMATE.start_main_~i~4 190), 33053#(<= ULTIMATE.start_main_~i~4 192), 33054#(<= ULTIMATE.start_main_~i~4 194), 33055#(<= ULTIMATE.start_main_~i~4 196), 33056#(<= ULTIMATE.start_main_~i~4 198), 33057#(<= ULTIMATE.start_main_~i~4 200), 33058#(<= ULTIMATE.start_main_~i~4 202), 33059#(<= ULTIMATE.start_main_~i~4 204), 33060#(<= ULTIMATE.start_main_~i~4 206), 33061#(<= ULTIMATE.start_main_~i~4 208), 33062#(<= ULTIMATE.start_main_~i~4 210), 33063#(<= ULTIMATE.start_main_~i~4 212), 33064#(<= ULTIMATE.start_main_~i~4 214), 33065#(<= ULTIMATE.start_main_~i~4 216), 33066#(<= ULTIMATE.start_main_~i~4 218), 33067#(<= ULTIMATE.start_main_~i~4 220), 32955#true, 32956#false, 32957#(<= ULTIMATE.start_main_~i~4 0), 32958#(<= ULTIMATE.start_main_~i~4 2), 32959#(<= ULTIMATE.start_main_~i~4 4), 32960#(<= ULTIMATE.start_main_~i~4 6), 32961#(<= ULTIMATE.start_main_~i~4 8), 32962#(<= ULTIMATE.start_main_~i~4 10), 32963#(<= ULTIMATE.start_main_~i~4 12), 32964#(<= ULTIMATE.start_main_~i~4 14), 32965#(<= ULTIMATE.start_main_~i~4 16), 32966#(<= ULTIMATE.start_main_~i~4 18), 32967#(<= ULTIMATE.start_main_~i~4 20), 32968#(<= ULTIMATE.start_main_~i~4 22), 32969#(<= ULTIMATE.start_main_~i~4 24), 32970#(<= ULTIMATE.start_main_~i~4 26), 32971#(<= ULTIMATE.start_main_~i~4 28), 32972#(<= ULTIMATE.start_main_~i~4 30), 32973#(<= ULTIMATE.start_main_~i~4 32), 32974#(<= ULTIMATE.start_main_~i~4 34), 32975#(<= ULTIMATE.start_main_~i~4 36), 32976#(<= ULTIMATE.start_main_~i~4 38), 32977#(<= ULTIMATE.start_main_~i~4 40), 32978#(<= ULTIMATE.start_main_~i~4 42), 32979#(<= ULTIMATE.start_main_~i~4 44), 32980#(<= ULTIMATE.start_main_~i~4 46), 32981#(<= ULTIMATE.start_main_~i~4 48), 32982#(<= ULTIMATE.start_main_~i~4 50), 32983#(<= ULTIMATE.start_main_~i~4 52), 32984#(<= ULTIMATE.start_main_~i~4 54), 32985#(<= ULTIMATE.start_main_~i~4 56), 32986#(<= ULTIMATE.start_main_~i~4 58), 32987#(<= ULTIMATE.start_main_~i~4 60), 32988#(<= ULTIMATE.start_main_~i~4 62), 32989#(<= ULTIMATE.start_main_~i~4 64), 32990#(<= ULTIMATE.start_main_~i~4 66), 32991#(<= ULTIMATE.start_main_~i~4 68), 32992#(<= ULTIMATE.start_main_~i~4 70), 32993#(<= ULTIMATE.start_main_~i~4 72), 32994#(<= ULTIMATE.start_main_~i~4 74), 32995#(<= ULTIMATE.start_main_~i~4 76), 32996#(<= ULTIMATE.start_main_~i~4 78), 32997#(<= ULTIMATE.start_main_~i~4 80), 32998#(<= ULTIMATE.start_main_~i~4 82), 32999#(<= ULTIMATE.start_main_~i~4 84), 33000#(<= ULTIMATE.start_main_~i~4 86), 33001#(<= ULTIMATE.start_main_~i~4 88), 33002#(<= ULTIMATE.start_main_~i~4 90), 33003#(<= ULTIMATE.start_main_~i~4 92), 33004#(<= ULTIMATE.start_main_~i~4 94), 33005#(<= ULTIMATE.start_main_~i~4 96), 33006#(<= ULTIMATE.start_main_~i~4 98), 33007#(<= ULTIMATE.start_main_~i~4 100), 33008#(<= ULTIMATE.start_main_~i~4 102), 33009#(<= ULTIMATE.start_main_~i~4 104), 33010#(<= ULTIMATE.start_main_~i~4 106), 33011#(<= ULTIMATE.start_main_~i~4 108), 33012#(<= ULTIMATE.start_main_~i~4 110), 33013#(<= ULTIMATE.start_main_~i~4 112), 33014#(<= ULTIMATE.start_main_~i~4 114), 33015#(<= ULTIMATE.start_main_~i~4 116), 33016#(<= ULTIMATE.start_main_~i~4 118), 33017#(<= ULTIMATE.start_main_~i~4 120), 33018#(<= ULTIMATE.start_main_~i~4 122), 33019#(<= ULTIMATE.start_main_~i~4 124), 33020#(<= ULTIMATE.start_main_~i~4 126), 33021#(<= ULTIMATE.start_main_~i~4 128), 33022#(<= ULTIMATE.start_main_~i~4 130), 33023#(<= ULTIMATE.start_main_~i~4 132)] [2018-07-23 13:37:56,893 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 13:37:56,893 INFO L450 AbstractCegarLoop]: Interpolant automaton has 113 states [2018-07-23 13:37:56,894 INFO L132 InterpolantAutomaton]: Constructing interpolant automaton starting with 113 interpolants. [2018-07-23 13:37:56,894 INFO L133 InterpolantAutomaton]: CoverageRelationStatistics Valid=6328, Invalid=6328, Unknown=0, NotChecked=0, Total=12656 [2018-07-23 13:37:56,894 INFO L87 Difference]: Start difference. First operand 114 states and 114 transitions. Second operand 113 states. [2018-07-23 13:37:56,941 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2018-07-23 13:37:56,942 INFO L93 Difference]: Finished difference Result 117 states and 117 transitions. [2018-07-23 13:37:56,942 INFO L142 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 113 states. [2018-07-23 13:37:56,942 INFO L78 Accepts]: Start accepts. Automaton has 113 states. Word has length 113 [2018-07-23 13:37:56,942 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2018-07-23 13:37:56,943 INFO L225 Difference]: With dead ends: 117 [2018-07-23 13:37:56,943 INFO L226 Difference]: Without dead ends: 115 [2018-07-23 13:37:56,944 INFO L575 BasicCegarLoop]: 0 DeclaredPredicates, 112 GetRequests, 1 SyntacticMatches, 0 SemanticMatches, 111 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 0 ImplicationChecksByTransitivity, 0.2s TimeCoverageRelationStatistics Valid=6328, Invalid=6328, Unknown=0, NotChecked=0, Total=12656 [2018-07-23 13:37:56,944 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 115 states. [2018-07-23 13:37:56,973 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 115 to 115. [2018-07-23 13:37:56,973 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 115 states. [2018-07-23 13:37:56,974 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 115 states to 115 states and 115 transitions. [2018-07-23 13:37:56,974 INFO L78 Accepts]: Start accepts. Automaton has 115 states and 115 transitions. Word has length 113 [2018-07-23 13:37:56,974 INFO L84 Accepts]: Finished accepts. word is rejected. [2018-07-23 13:37:56,974 INFO L471 AbstractCegarLoop]: Abstraction has 115 states and 115 transitions. [2018-07-23 13:37:56,974 INFO L472 AbstractCegarLoop]: Interpolant automaton has 113 states. [2018-07-23 13:37:56,975 INFO L276 IsEmpty]: Start isEmpty. Operand 115 states and 115 transitions. [2018-07-23 13:37:56,975 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 115 [2018-07-23 13:37:56,975 INFO L349 BasicCegarLoop]: Found error trace [2018-07-23 13:37:56,975 INFO L357 BasicCegarLoop]: trace histogram [111, 1, 1, 1] [2018-07-23 13:37:56,976 INFO L414 AbstractCegarLoop]: === Iteration 112 === [ULTIMATE.startErr0AssertViolationASSERT]=== [2018-07-23 13:37:56,976 INFO L82 PathProgramCache]: Analyzing trace with hash 1489203976, now seen corresponding path program 111 times [2018-07-23 13:37:56,976 INFO L69 tionRefinementEngine]: Using refinement strategy FixedRefinementStrategy [2018-07-23 13:37:57,007 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-07-23 13:37:57,269 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 13:37:57,270 INFO L309 seRefinementStrategy]: Constructing automaton from 0 perfect and 1 imperfect interpolant sequences. [2018-07-23 13:37:57,270 INFO L324 seRefinementStrategy]: Number of different interpolants: perfect sequences [] imperfect sequences [113] total 113 [2018-07-23 13:37:57,270 INFO L142 lantAutomatonBuilder]: Constructing canonical interpolant automaton, with selfloop in false state [2018-07-23 13:37:57,270 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2018-07-23 13:37:57,270 INFO L185 omatonBuilderFactory]: Interpolants [33536#(<= ULTIMATE.start_main_~i~4 4), 33537#(<= ULTIMATE.start_main_~i~4 6), 33538#(<= ULTIMATE.start_main_~i~4 8), 33539#(<= ULTIMATE.start_main_~i~4 10), 33540#(<= ULTIMATE.start_main_~i~4 12), 33541#(<= ULTIMATE.start_main_~i~4 14), 33542#(<= ULTIMATE.start_main_~i~4 16), 33543#(<= ULTIMATE.start_main_~i~4 18), 33544#(<= ULTIMATE.start_main_~i~4 20), 33545#(<= ULTIMATE.start_main_~i~4 22), 33546#(<= ULTIMATE.start_main_~i~4 24), 33547#(<= ULTIMATE.start_main_~i~4 26), 33548#(<= ULTIMATE.start_main_~i~4 28), 33549#(<= ULTIMATE.start_main_~i~4 30), 33550#(<= ULTIMATE.start_main_~i~4 32), 33551#(<= ULTIMATE.start_main_~i~4 34), 33552#(<= ULTIMATE.start_main_~i~4 36), 33553#(<= ULTIMATE.start_main_~i~4 38), 33554#(<= ULTIMATE.start_main_~i~4 40), 33555#(<= ULTIMATE.start_main_~i~4 42), 33556#(<= ULTIMATE.start_main_~i~4 44), 33557#(<= ULTIMATE.start_main_~i~4 46), 33558#(<= ULTIMATE.start_main_~i~4 48), 33559#(<= ULTIMATE.start_main_~i~4 50), 33560#(<= ULTIMATE.start_main_~i~4 52), 33561#(<= ULTIMATE.start_main_~i~4 54), 33562#(<= ULTIMATE.start_main_~i~4 56), 33563#(<= ULTIMATE.start_main_~i~4 58), 33564#(<= ULTIMATE.start_main_~i~4 60), 33565#(<= ULTIMATE.start_main_~i~4 62), 33566#(<= ULTIMATE.start_main_~i~4 64), 33567#(<= ULTIMATE.start_main_~i~4 66), 33568#(<= ULTIMATE.start_main_~i~4 68), 33569#(<= ULTIMATE.start_main_~i~4 70), 33570#(<= ULTIMATE.start_main_~i~4 72), 33571#(<= ULTIMATE.start_main_~i~4 74), 33572#(<= ULTIMATE.start_main_~i~4 76), 33573#(<= ULTIMATE.start_main_~i~4 78), 33574#(<= ULTIMATE.start_main_~i~4 80), 33575#(<= ULTIMATE.start_main_~i~4 82), 33576#(<= ULTIMATE.start_main_~i~4 84), 33577#(<= ULTIMATE.start_main_~i~4 86), 33578#(<= ULTIMATE.start_main_~i~4 88), 33579#(<= ULTIMATE.start_main_~i~4 90), 33580#(<= ULTIMATE.start_main_~i~4 92), 33581#(<= ULTIMATE.start_main_~i~4 94), 33582#(<= ULTIMATE.start_main_~i~4 96), 33583#(<= ULTIMATE.start_main_~i~4 98), 33584#(<= ULTIMATE.start_main_~i~4 100), 33585#(<= ULTIMATE.start_main_~i~4 102), 33586#(<= ULTIMATE.start_main_~i~4 104), 33587#(<= ULTIMATE.start_main_~i~4 106), 33588#(<= ULTIMATE.start_main_~i~4 108), 33589#(<= ULTIMATE.start_main_~i~4 110), 33590#(<= ULTIMATE.start_main_~i~4 112), 33591#(<= ULTIMATE.start_main_~i~4 114), 33592#(<= ULTIMATE.start_main_~i~4 116), 33593#(<= ULTIMATE.start_main_~i~4 118), 33594#(<= ULTIMATE.start_main_~i~4 120), 33595#(<= ULTIMATE.start_main_~i~4 122), 33596#(<= ULTIMATE.start_main_~i~4 124), 33597#(<= ULTIMATE.start_main_~i~4 126), 33598#(<= ULTIMATE.start_main_~i~4 128), 33599#(<= ULTIMATE.start_main_~i~4 130), 33600#(<= ULTIMATE.start_main_~i~4 132), 33601#(<= ULTIMATE.start_main_~i~4 134), 33602#(<= ULTIMATE.start_main_~i~4 136), 33603#(<= ULTIMATE.start_main_~i~4 138), 33604#(<= ULTIMATE.start_main_~i~4 140), 33605#(<= ULTIMATE.start_main_~i~4 142), 33606#(<= ULTIMATE.start_main_~i~4 144), 33607#(<= ULTIMATE.start_main_~i~4 146), 33608#(<= ULTIMATE.start_main_~i~4 148), 33609#(<= ULTIMATE.start_main_~i~4 150), 33610#(<= ULTIMATE.start_main_~i~4 152), 33611#(<= ULTIMATE.start_main_~i~4 154), 33612#(<= ULTIMATE.start_main_~i~4 156), 33613#(<= ULTIMATE.start_main_~i~4 158), 33614#(<= ULTIMATE.start_main_~i~4 160), 33615#(<= ULTIMATE.start_main_~i~4 162), 33616#(<= ULTIMATE.start_main_~i~4 164), 33617#(<= ULTIMATE.start_main_~i~4 166), 33618#(<= ULTIMATE.start_main_~i~4 168), 33619#(<= ULTIMATE.start_main_~i~4 170), 33620#(<= ULTIMATE.start_main_~i~4 172), 33621#(<= ULTIMATE.start_main_~i~4 174), 33622#(<= ULTIMATE.start_main_~i~4 176), 33623#(<= ULTIMATE.start_main_~i~4 178), 33624#(<= ULTIMATE.start_main_~i~4 180), 33625#(<= ULTIMATE.start_main_~i~4 182), 33626#(<= ULTIMATE.start_main_~i~4 184), 33627#(<= ULTIMATE.start_main_~i~4 186), 33628#(<= ULTIMATE.start_main_~i~4 188), 33629#(<= ULTIMATE.start_main_~i~4 190), 33630#(<= ULTIMATE.start_main_~i~4 192), 33631#(<= ULTIMATE.start_main_~i~4 194), 33632#(<= ULTIMATE.start_main_~i~4 196), 33633#(<= ULTIMATE.start_main_~i~4 198), 33634#(<= ULTIMATE.start_main_~i~4 200), 33635#(<= ULTIMATE.start_main_~i~4 202), 33636#(<= ULTIMATE.start_main_~i~4 204), 33637#(<= ULTIMATE.start_main_~i~4 206), 33638#(<= ULTIMATE.start_main_~i~4 208), 33639#(<= ULTIMATE.start_main_~i~4 210), 33640#(<= ULTIMATE.start_main_~i~4 212), 33641#(<= ULTIMATE.start_main_~i~4 214), 33642#(<= ULTIMATE.start_main_~i~4 216), 33643#(<= ULTIMATE.start_main_~i~4 218), 33644#(<= ULTIMATE.start_main_~i~4 220), 33645#(<= ULTIMATE.start_main_~i~4 222), 33532#true, 33533#false, 33534#(<= ULTIMATE.start_main_~i~4 0), 33535#(<= ULTIMATE.start_main_~i~4 2)] [2018-07-23 13:37:57,271 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 13:37:57,271 INFO L450 AbstractCegarLoop]: Interpolant automaton has 114 states [2018-07-23 13:37:57,272 INFO L132 InterpolantAutomaton]: Constructing interpolant automaton starting with 114 interpolants. [2018-07-23 13:37:57,273 INFO L133 InterpolantAutomaton]: CoverageRelationStatistics Valid=6441, Invalid=6441, Unknown=0, NotChecked=0, Total=12882 [2018-07-23 13:37:57,273 INFO L87 Difference]: Start difference. First operand 115 states and 115 transitions. Second operand 114 states. [2018-07-23 13:37:57,404 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2018-07-23 13:37:57,404 INFO L93 Difference]: Finished difference Result 118 states and 118 transitions. [2018-07-23 13:37:57,404 INFO L142 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 114 states. [2018-07-23 13:37:57,404 INFO L78 Accepts]: Start accepts. Automaton has 114 states. Word has length 114 [2018-07-23 13:37:57,405 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2018-07-23 13:37:57,405 INFO L225 Difference]: With dead ends: 118 [2018-07-23 13:37:57,405 INFO L226 Difference]: Without dead ends: 116 [2018-07-23 13:37:57,406 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 13:37:57,407 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 116 states. [2018-07-23 13:37:57,409 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 116 to 116. [2018-07-23 13:37:57,409 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 116 states. [2018-07-23 13:37:57,410 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 116 states to 116 states and 116 transitions. [2018-07-23 13:37:57,410 INFO L78 Accepts]: Start accepts. Automaton has 116 states and 116 transitions. Word has length 114 [2018-07-23 13:37:57,410 INFO L84 Accepts]: Finished accepts. word is rejected. [2018-07-23 13:37:57,410 INFO L471 AbstractCegarLoop]: Abstraction has 116 states and 116 transitions. [2018-07-23 13:37:57,410 INFO L472 AbstractCegarLoop]: Interpolant automaton has 114 states. [2018-07-23 13:37:57,410 INFO L276 IsEmpty]: Start isEmpty. Operand 116 states and 116 transitions. [2018-07-23 13:37:57,411 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 116 [2018-07-23 13:37:57,411 INFO L349 BasicCegarLoop]: Found error trace [2018-07-23 13:37:57,411 INFO L357 BasicCegarLoop]: trace histogram [112, 1, 1, 1] [2018-07-23 13:37:57,411 INFO L414 AbstractCegarLoop]: === Iteration 113 === [ULTIMATE.startErr0AssertViolationASSERT]=== [2018-07-23 13:37:57,411 INFO L82 PathProgramCache]: Analyzing trace with hash -1079318975, now seen corresponding path program 112 times [2018-07-23 13:37:57,411 INFO L69 tionRefinementEngine]: Using refinement strategy FixedRefinementStrategy [2018-07-23 13:37:57,459 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-07-23 13:37:57,731 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 13:37:57,731 INFO L309 seRefinementStrategy]: Constructing automaton from 0 perfect and 1 imperfect interpolant sequences. [2018-07-23 13:37:57,731 INFO L324 seRefinementStrategy]: Number of different interpolants: perfect sequences [] imperfect sequences [114] total 114 [2018-07-23 13:37:57,731 INFO L142 lantAutomatonBuilder]: Constructing canonical interpolant automaton, with selfloop in false state [2018-07-23 13:37:57,731 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2018-07-23 13:37:57,732 INFO L185 omatonBuilderFactory]: Interpolants [34114#true, 34115#false, 34116#(<= ULTIMATE.start_main_~i~4 0), 34117#(<= ULTIMATE.start_main_~i~4 2), 34118#(<= ULTIMATE.start_main_~i~4 4), 34119#(<= ULTIMATE.start_main_~i~4 6), 34120#(<= ULTIMATE.start_main_~i~4 8), 34121#(<= ULTIMATE.start_main_~i~4 10), 34122#(<= ULTIMATE.start_main_~i~4 12), 34123#(<= ULTIMATE.start_main_~i~4 14), 34124#(<= ULTIMATE.start_main_~i~4 16), 34125#(<= ULTIMATE.start_main_~i~4 18), 34126#(<= ULTIMATE.start_main_~i~4 20), 34127#(<= ULTIMATE.start_main_~i~4 22), 34128#(<= ULTIMATE.start_main_~i~4 24), 34129#(<= ULTIMATE.start_main_~i~4 26), 34130#(<= ULTIMATE.start_main_~i~4 28), 34131#(<= ULTIMATE.start_main_~i~4 30), 34132#(<= ULTIMATE.start_main_~i~4 32), 34133#(<= ULTIMATE.start_main_~i~4 34), 34134#(<= ULTIMATE.start_main_~i~4 36), 34135#(<= ULTIMATE.start_main_~i~4 38), 34136#(<= ULTIMATE.start_main_~i~4 40), 34137#(<= ULTIMATE.start_main_~i~4 42), 34138#(<= ULTIMATE.start_main_~i~4 44), 34139#(<= ULTIMATE.start_main_~i~4 46), 34140#(<= ULTIMATE.start_main_~i~4 48), 34141#(<= ULTIMATE.start_main_~i~4 50), 34142#(<= ULTIMATE.start_main_~i~4 52), 34143#(<= ULTIMATE.start_main_~i~4 54), 34144#(<= ULTIMATE.start_main_~i~4 56), 34145#(<= ULTIMATE.start_main_~i~4 58), 34146#(<= ULTIMATE.start_main_~i~4 60), 34147#(<= ULTIMATE.start_main_~i~4 62), 34148#(<= ULTIMATE.start_main_~i~4 64), 34149#(<= ULTIMATE.start_main_~i~4 66), 34150#(<= ULTIMATE.start_main_~i~4 68), 34151#(<= ULTIMATE.start_main_~i~4 70), 34152#(<= ULTIMATE.start_main_~i~4 72), 34153#(<= ULTIMATE.start_main_~i~4 74), 34154#(<= ULTIMATE.start_main_~i~4 76), 34155#(<= ULTIMATE.start_main_~i~4 78), 34156#(<= ULTIMATE.start_main_~i~4 80), 34157#(<= ULTIMATE.start_main_~i~4 82), 34158#(<= ULTIMATE.start_main_~i~4 84), 34159#(<= ULTIMATE.start_main_~i~4 86), 34160#(<= ULTIMATE.start_main_~i~4 88), 34161#(<= ULTIMATE.start_main_~i~4 90), 34162#(<= ULTIMATE.start_main_~i~4 92), 34163#(<= ULTIMATE.start_main_~i~4 94), 34164#(<= ULTIMATE.start_main_~i~4 96), 34165#(<= ULTIMATE.start_main_~i~4 98), 34166#(<= ULTIMATE.start_main_~i~4 100), 34167#(<= ULTIMATE.start_main_~i~4 102), 34168#(<= ULTIMATE.start_main_~i~4 104), 34169#(<= ULTIMATE.start_main_~i~4 106), 34170#(<= ULTIMATE.start_main_~i~4 108), 34171#(<= ULTIMATE.start_main_~i~4 110), 34172#(<= ULTIMATE.start_main_~i~4 112), 34173#(<= ULTIMATE.start_main_~i~4 114), 34174#(<= ULTIMATE.start_main_~i~4 116), 34175#(<= ULTIMATE.start_main_~i~4 118), 34176#(<= ULTIMATE.start_main_~i~4 120), 34177#(<= ULTIMATE.start_main_~i~4 122), 34178#(<= ULTIMATE.start_main_~i~4 124), 34179#(<= ULTIMATE.start_main_~i~4 126), 34180#(<= ULTIMATE.start_main_~i~4 128), 34181#(<= ULTIMATE.start_main_~i~4 130), 34182#(<= ULTIMATE.start_main_~i~4 132), 34183#(<= ULTIMATE.start_main_~i~4 134), 34184#(<= ULTIMATE.start_main_~i~4 136), 34185#(<= ULTIMATE.start_main_~i~4 138), 34186#(<= ULTIMATE.start_main_~i~4 140), 34187#(<= ULTIMATE.start_main_~i~4 142), 34188#(<= ULTIMATE.start_main_~i~4 144), 34189#(<= ULTIMATE.start_main_~i~4 146), 34190#(<= ULTIMATE.start_main_~i~4 148), 34191#(<= ULTIMATE.start_main_~i~4 150), 34192#(<= ULTIMATE.start_main_~i~4 152), 34193#(<= ULTIMATE.start_main_~i~4 154), 34194#(<= ULTIMATE.start_main_~i~4 156), 34195#(<= ULTIMATE.start_main_~i~4 158), 34196#(<= ULTIMATE.start_main_~i~4 160), 34197#(<= ULTIMATE.start_main_~i~4 162), 34198#(<= ULTIMATE.start_main_~i~4 164), 34199#(<= ULTIMATE.start_main_~i~4 166), 34200#(<= ULTIMATE.start_main_~i~4 168), 34201#(<= ULTIMATE.start_main_~i~4 170), 34202#(<= ULTIMATE.start_main_~i~4 172), 34203#(<= ULTIMATE.start_main_~i~4 174), 34204#(<= ULTIMATE.start_main_~i~4 176), 34205#(<= ULTIMATE.start_main_~i~4 178), 34206#(<= ULTIMATE.start_main_~i~4 180), 34207#(<= ULTIMATE.start_main_~i~4 182), 34208#(<= ULTIMATE.start_main_~i~4 184), 34209#(<= ULTIMATE.start_main_~i~4 186), 34210#(<= ULTIMATE.start_main_~i~4 188), 34211#(<= ULTIMATE.start_main_~i~4 190), 34212#(<= ULTIMATE.start_main_~i~4 192), 34213#(<= ULTIMATE.start_main_~i~4 194), 34214#(<= ULTIMATE.start_main_~i~4 196), 34215#(<= ULTIMATE.start_main_~i~4 198), 34216#(<= ULTIMATE.start_main_~i~4 200), 34217#(<= ULTIMATE.start_main_~i~4 202), 34218#(<= ULTIMATE.start_main_~i~4 204), 34219#(<= ULTIMATE.start_main_~i~4 206), 34220#(<= ULTIMATE.start_main_~i~4 208), 34221#(<= ULTIMATE.start_main_~i~4 210), 34222#(<= ULTIMATE.start_main_~i~4 212), 34223#(<= ULTIMATE.start_main_~i~4 214), 34224#(<= ULTIMATE.start_main_~i~4 216), 34225#(<= ULTIMATE.start_main_~i~4 218), 34226#(<= ULTIMATE.start_main_~i~4 220), 34227#(<= ULTIMATE.start_main_~i~4 222), 34228#(<= ULTIMATE.start_main_~i~4 224)] [2018-07-23 13:37:57,732 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 13:37:57,733 INFO L450 AbstractCegarLoop]: Interpolant automaton has 115 states [2018-07-23 13:37:57,734 INFO L132 InterpolantAutomaton]: Constructing interpolant automaton starting with 115 interpolants. [2018-07-23 13:37:57,734 INFO L133 InterpolantAutomaton]: CoverageRelationStatistics Valid=6555, Invalid=6555, Unknown=0, NotChecked=0, Total=13110 [2018-07-23 13:37:57,734 INFO L87 Difference]: Start difference. First operand 116 states and 116 transitions. Second operand 115 states. [2018-07-23 13:37:57,823 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2018-07-23 13:37:57,823 INFO L93 Difference]: Finished difference Result 119 states and 119 transitions. [2018-07-23 13:37:57,824 INFO L142 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 115 states. [2018-07-23 13:37:57,824 INFO L78 Accepts]: Start accepts. Automaton has 115 states. Word has length 115 [2018-07-23 13:37:57,824 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2018-07-23 13:37:57,825 INFO L225 Difference]: With dead ends: 119 [2018-07-23 13:37:57,825 INFO L226 Difference]: Without dead ends: 117 [2018-07-23 13:37:57,826 INFO L575 BasicCegarLoop]: 0 DeclaredPredicates, 114 GetRequests, 1 SyntacticMatches, 0 SemanticMatches, 113 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 0 ImplicationChecksByTransitivity, 0.2s TimeCoverageRelationStatistics Valid=6555, Invalid=6555, Unknown=0, NotChecked=0, Total=13110 [2018-07-23 13:37:57,826 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 117 states. [2018-07-23 13:37:57,828 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 117 to 117. [2018-07-23 13:37:57,829 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 117 states. [2018-07-23 13:37:57,829 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 117 states to 117 states and 117 transitions. [2018-07-23 13:37:57,829 INFO L78 Accepts]: Start accepts. Automaton has 117 states and 117 transitions. Word has length 115 [2018-07-23 13:37:57,829 INFO L84 Accepts]: Finished accepts. word is rejected. [2018-07-23 13:37:57,830 INFO L471 AbstractCegarLoop]: Abstraction has 117 states and 117 transitions. [2018-07-23 13:37:57,830 INFO L472 AbstractCegarLoop]: Interpolant automaton has 115 states. [2018-07-23 13:37:57,830 INFO L276 IsEmpty]: Start isEmpty. Operand 117 states and 117 transitions. [2018-07-23 13:37:57,830 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 117 [2018-07-23 13:37:57,830 INFO L349 BasicCegarLoop]: Found error trace [2018-07-23 13:37:57,831 INFO L357 BasicCegarLoop]: trace histogram [113, 1, 1, 1] [2018-07-23 13:37:57,831 INFO L414 AbstractCegarLoop]: === Iteration 114 === [ULTIMATE.startErr0AssertViolationASSERT]=== [2018-07-23 13:37:57,831 INFO L82 PathProgramCache]: Analyzing trace with hash 900848168, now seen corresponding path program 113 times [2018-07-23 13:37:57,831 INFO L69 tionRefinementEngine]: Using refinement strategy FixedRefinementStrategy [2018-07-23 13:37:57,883 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-07-23 13:37:58,278 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 13:37:58,278 INFO L309 seRefinementStrategy]: Constructing automaton from 0 perfect and 1 imperfect interpolant sequences. [2018-07-23 13:37:58,278 INFO L324 seRefinementStrategy]: Number of different interpolants: perfect sequences [] imperfect sequences [115] total 115 [2018-07-23 13:37:58,278 INFO L142 lantAutomatonBuilder]: Constructing canonical interpolant automaton, with selfloop in false state [2018-07-23 13:37:58,279 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 13:37:58,279 INFO L185 omatonBuilderFactory]: Interpolants [34816#(<= ULTIMATE.start_main_~i~4 226), 34701#true, 34702#false, 34703#(<= ULTIMATE.start_main_~i~4 0), 34704#(<= ULTIMATE.start_main_~i~4 2), 34705#(<= ULTIMATE.start_main_~i~4 4), 34706#(<= ULTIMATE.start_main_~i~4 6), 34707#(<= ULTIMATE.start_main_~i~4 8), 34708#(<= ULTIMATE.start_main_~i~4 10), 34709#(<= ULTIMATE.start_main_~i~4 12), 34710#(<= ULTIMATE.start_main_~i~4 14), 34711#(<= ULTIMATE.start_main_~i~4 16), 34712#(<= ULTIMATE.start_main_~i~4 18), 34713#(<= ULTIMATE.start_main_~i~4 20), 34714#(<= ULTIMATE.start_main_~i~4 22), 34715#(<= ULTIMATE.start_main_~i~4 24), 34716#(<= ULTIMATE.start_main_~i~4 26), 34717#(<= ULTIMATE.start_main_~i~4 28), 34718#(<= ULTIMATE.start_main_~i~4 30), 34719#(<= ULTIMATE.start_main_~i~4 32), 34720#(<= ULTIMATE.start_main_~i~4 34), 34721#(<= ULTIMATE.start_main_~i~4 36), 34722#(<= ULTIMATE.start_main_~i~4 38), 34723#(<= ULTIMATE.start_main_~i~4 40), 34724#(<= ULTIMATE.start_main_~i~4 42), 34725#(<= ULTIMATE.start_main_~i~4 44), 34726#(<= ULTIMATE.start_main_~i~4 46), 34727#(<= ULTIMATE.start_main_~i~4 48), 34728#(<= ULTIMATE.start_main_~i~4 50), 34729#(<= ULTIMATE.start_main_~i~4 52), 34730#(<= ULTIMATE.start_main_~i~4 54), 34731#(<= ULTIMATE.start_main_~i~4 56), 34732#(<= ULTIMATE.start_main_~i~4 58), 34733#(<= ULTIMATE.start_main_~i~4 60), 34734#(<= ULTIMATE.start_main_~i~4 62), 34735#(<= ULTIMATE.start_main_~i~4 64), 34736#(<= ULTIMATE.start_main_~i~4 66), 34737#(<= ULTIMATE.start_main_~i~4 68), 34738#(<= ULTIMATE.start_main_~i~4 70), 34739#(<= ULTIMATE.start_main_~i~4 72), 34740#(<= ULTIMATE.start_main_~i~4 74), 34741#(<= ULTIMATE.start_main_~i~4 76), 34742#(<= ULTIMATE.start_main_~i~4 78), 34743#(<= ULTIMATE.start_main_~i~4 80), 34744#(<= ULTIMATE.start_main_~i~4 82), 34745#(<= ULTIMATE.start_main_~i~4 84), 34746#(<= ULTIMATE.start_main_~i~4 86), 34747#(<= ULTIMATE.start_main_~i~4 88), 34748#(<= ULTIMATE.start_main_~i~4 90), 34749#(<= ULTIMATE.start_main_~i~4 92), 34750#(<= ULTIMATE.start_main_~i~4 94), 34751#(<= ULTIMATE.start_main_~i~4 96), 34752#(<= ULTIMATE.start_main_~i~4 98), 34753#(<= ULTIMATE.start_main_~i~4 100), 34754#(<= ULTIMATE.start_main_~i~4 102), 34755#(<= ULTIMATE.start_main_~i~4 104), 34756#(<= ULTIMATE.start_main_~i~4 106), 34757#(<= ULTIMATE.start_main_~i~4 108), 34758#(<= ULTIMATE.start_main_~i~4 110), 34759#(<= ULTIMATE.start_main_~i~4 112), 34760#(<= ULTIMATE.start_main_~i~4 114), 34761#(<= ULTIMATE.start_main_~i~4 116), 34762#(<= ULTIMATE.start_main_~i~4 118), 34763#(<= ULTIMATE.start_main_~i~4 120), 34764#(<= ULTIMATE.start_main_~i~4 122), 34765#(<= ULTIMATE.start_main_~i~4 124), 34766#(<= ULTIMATE.start_main_~i~4 126), 34767#(<= ULTIMATE.start_main_~i~4 128), 34768#(<= ULTIMATE.start_main_~i~4 130), 34769#(<= ULTIMATE.start_main_~i~4 132), 34770#(<= ULTIMATE.start_main_~i~4 134), 34771#(<= ULTIMATE.start_main_~i~4 136), 34772#(<= ULTIMATE.start_main_~i~4 138), 34773#(<= ULTIMATE.start_main_~i~4 140), 34774#(<= ULTIMATE.start_main_~i~4 142), 34775#(<= ULTIMATE.start_main_~i~4 144), 34776#(<= ULTIMATE.start_main_~i~4 146), 34777#(<= ULTIMATE.start_main_~i~4 148), 34778#(<= ULTIMATE.start_main_~i~4 150), 34779#(<= ULTIMATE.start_main_~i~4 152), 34780#(<= ULTIMATE.start_main_~i~4 154), 34781#(<= ULTIMATE.start_main_~i~4 156), 34782#(<= ULTIMATE.start_main_~i~4 158), 34783#(<= ULTIMATE.start_main_~i~4 160), 34784#(<= ULTIMATE.start_main_~i~4 162), 34785#(<= ULTIMATE.start_main_~i~4 164), 34786#(<= ULTIMATE.start_main_~i~4 166), 34787#(<= ULTIMATE.start_main_~i~4 168), 34788#(<= ULTIMATE.start_main_~i~4 170), 34789#(<= ULTIMATE.start_main_~i~4 172), 34790#(<= ULTIMATE.start_main_~i~4 174), 34791#(<= ULTIMATE.start_main_~i~4 176), 34792#(<= ULTIMATE.start_main_~i~4 178), 34793#(<= ULTIMATE.start_main_~i~4 180), 34794#(<= ULTIMATE.start_main_~i~4 182), 34795#(<= ULTIMATE.start_main_~i~4 184), 34796#(<= ULTIMATE.start_main_~i~4 186), 34797#(<= ULTIMATE.start_main_~i~4 188), 34798#(<= ULTIMATE.start_main_~i~4 190), 34799#(<= ULTIMATE.start_main_~i~4 192), 34800#(<= ULTIMATE.start_main_~i~4 194), 34801#(<= ULTIMATE.start_main_~i~4 196), 34802#(<= ULTIMATE.start_main_~i~4 198), 34803#(<= ULTIMATE.start_main_~i~4 200), 34804#(<= ULTIMATE.start_main_~i~4 202), 34805#(<= ULTIMATE.start_main_~i~4 204), 34806#(<= ULTIMATE.start_main_~i~4 206), 34807#(<= ULTIMATE.start_main_~i~4 208), 34808#(<= ULTIMATE.start_main_~i~4 210), 34809#(<= ULTIMATE.start_main_~i~4 212), 34810#(<= ULTIMATE.start_main_~i~4 214), 34811#(<= ULTIMATE.start_main_~i~4 216), 34812#(<= ULTIMATE.start_main_~i~4 218), 34813#(<= ULTIMATE.start_main_~i~4 220), 34814#(<= ULTIMATE.start_main_~i~4 222), 34815#(<= ULTIMATE.start_main_~i~4 224)] [2018-07-23 13:37:58,279 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 13:37:58,280 INFO L450 AbstractCegarLoop]: Interpolant automaton has 116 states [2018-07-23 13:37:58,281 INFO L132 InterpolantAutomaton]: Constructing interpolant automaton starting with 116 interpolants. [2018-07-23 13:37:58,281 INFO L133 InterpolantAutomaton]: CoverageRelationStatistics Valid=6670, Invalid=6670, Unknown=0, NotChecked=0, Total=13340 [2018-07-23 13:37:58,281 INFO L87 Difference]: Start difference. First operand 117 states and 117 transitions. Second operand 116 states. [2018-07-23 13:37:58,500 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2018-07-23 13:37:58,500 INFO L93 Difference]: Finished difference Result 120 states and 120 transitions. [2018-07-23 13:37:58,501 INFO L142 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 116 states. [2018-07-23 13:37:58,501 INFO L78 Accepts]: Start accepts. Automaton has 116 states. Word has length 116 [2018-07-23 13:37:58,501 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2018-07-23 13:37:58,502 INFO L225 Difference]: With dead ends: 120 [2018-07-23 13:37:58,502 INFO L226 Difference]: Without dead ends: 118 [2018-07-23 13:37:58,503 INFO L575 BasicCegarLoop]: 0 DeclaredPredicates, 115 GetRequests, 1 SyntacticMatches, 0 SemanticMatches, 114 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 0 ImplicationChecksByTransitivity, 0.3s TimeCoverageRelationStatistics Valid=6670, Invalid=6670, Unknown=0, NotChecked=0, Total=13340 [2018-07-23 13:37:58,503 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 118 states. [2018-07-23 13:37:58,505 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 118 to 118. [2018-07-23 13:37:58,506 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 118 states. [2018-07-23 13:37:58,506 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 118 states to 118 states and 118 transitions. [2018-07-23 13:37:58,506 INFO L78 Accepts]: Start accepts. Automaton has 118 states and 118 transitions. Word has length 116 [2018-07-23 13:37:58,506 INFO L84 Accepts]: Finished accepts. word is rejected. [2018-07-23 13:37:58,506 INFO L471 AbstractCegarLoop]: Abstraction has 118 states and 118 transitions. [2018-07-23 13:37:58,507 INFO L472 AbstractCegarLoop]: Interpolant automaton has 116 states. [2018-07-23 13:37:58,507 INFO L276 IsEmpty]: Start isEmpty. Operand 118 states and 118 transitions. [2018-07-23 13:37:58,507 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 118 [2018-07-23 13:37:58,507 INFO L349 BasicCegarLoop]: Found error trace [2018-07-23 13:37:58,508 INFO L357 BasicCegarLoop]: trace histogram [114, 1, 1, 1] [2018-07-23 13:37:58,508 INFO L414 AbstractCegarLoop]: === Iteration 115 === [ULTIMATE.startErr0AssertViolationASSERT]=== [2018-07-23 13:37:58,508 INFO L82 PathProgramCache]: Analyzing trace with hash -2138479839, now seen corresponding path program 114 times [2018-07-23 13:37:58,508 INFO L69 tionRefinementEngine]: Using refinement strategy FixedRefinementStrategy [2018-07-23 13:37:58,565 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-07-23 13:37:58,977 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 13:37:58,977 INFO L309 seRefinementStrategy]: Constructing automaton from 0 perfect and 1 imperfect interpolant sequences. [2018-07-23 13:37:58,977 INFO L324 seRefinementStrategy]: Number of different interpolants: perfect sequences [] imperfect sequences [116] total 116 [2018-07-23 13:37:58,978 INFO L142 lantAutomatonBuilder]: Constructing canonical interpolant automaton, with selfloop in false state [2018-07-23 13:37:58,978 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2018-07-23 13:37:58,978 INFO L185 omatonBuilderFactory]: Interpolants [35328#(<= ULTIMATE.start_main_~i~4 66), 35329#(<= ULTIMATE.start_main_~i~4 68), 35330#(<= ULTIMATE.start_main_~i~4 70), 35331#(<= ULTIMATE.start_main_~i~4 72), 35332#(<= ULTIMATE.start_main_~i~4 74), 35333#(<= ULTIMATE.start_main_~i~4 76), 35334#(<= ULTIMATE.start_main_~i~4 78), 35335#(<= ULTIMATE.start_main_~i~4 80), 35336#(<= ULTIMATE.start_main_~i~4 82), 35337#(<= ULTIMATE.start_main_~i~4 84), 35338#(<= ULTIMATE.start_main_~i~4 86), 35339#(<= ULTIMATE.start_main_~i~4 88), 35340#(<= ULTIMATE.start_main_~i~4 90), 35341#(<= ULTIMATE.start_main_~i~4 92), 35342#(<= ULTIMATE.start_main_~i~4 94), 35343#(<= ULTIMATE.start_main_~i~4 96), 35344#(<= ULTIMATE.start_main_~i~4 98), 35345#(<= ULTIMATE.start_main_~i~4 100), 35346#(<= ULTIMATE.start_main_~i~4 102), 35347#(<= ULTIMATE.start_main_~i~4 104), 35348#(<= ULTIMATE.start_main_~i~4 106), 35349#(<= ULTIMATE.start_main_~i~4 108), 35350#(<= ULTIMATE.start_main_~i~4 110), 35351#(<= ULTIMATE.start_main_~i~4 112), 35352#(<= ULTIMATE.start_main_~i~4 114), 35353#(<= ULTIMATE.start_main_~i~4 116), 35354#(<= ULTIMATE.start_main_~i~4 118), 35355#(<= ULTIMATE.start_main_~i~4 120), 35356#(<= ULTIMATE.start_main_~i~4 122), 35357#(<= ULTIMATE.start_main_~i~4 124), 35358#(<= ULTIMATE.start_main_~i~4 126), 35359#(<= ULTIMATE.start_main_~i~4 128), 35360#(<= ULTIMATE.start_main_~i~4 130), 35361#(<= ULTIMATE.start_main_~i~4 132), 35362#(<= ULTIMATE.start_main_~i~4 134), 35363#(<= ULTIMATE.start_main_~i~4 136), 35364#(<= ULTIMATE.start_main_~i~4 138), 35365#(<= ULTIMATE.start_main_~i~4 140), 35366#(<= ULTIMATE.start_main_~i~4 142), 35367#(<= ULTIMATE.start_main_~i~4 144), 35368#(<= ULTIMATE.start_main_~i~4 146), 35369#(<= ULTIMATE.start_main_~i~4 148), 35370#(<= ULTIMATE.start_main_~i~4 150), 35371#(<= ULTIMATE.start_main_~i~4 152), 35372#(<= ULTIMATE.start_main_~i~4 154), 35373#(<= ULTIMATE.start_main_~i~4 156), 35374#(<= ULTIMATE.start_main_~i~4 158), 35375#(<= ULTIMATE.start_main_~i~4 160), 35376#(<= ULTIMATE.start_main_~i~4 162), 35377#(<= ULTIMATE.start_main_~i~4 164), 35378#(<= ULTIMATE.start_main_~i~4 166), 35379#(<= ULTIMATE.start_main_~i~4 168), 35380#(<= ULTIMATE.start_main_~i~4 170), 35381#(<= ULTIMATE.start_main_~i~4 172), 35382#(<= ULTIMATE.start_main_~i~4 174), 35383#(<= ULTIMATE.start_main_~i~4 176), 35384#(<= ULTIMATE.start_main_~i~4 178), 35385#(<= ULTIMATE.start_main_~i~4 180), 35386#(<= ULTIMATE.start_main_~i~4 182), 35387#(<= ULTIMATE.start_main_~i~4 184), 35388#(<= ULTIMATE.start_main_~i~4 186), 35389#(<= ULTIMATE.start_main_~i~4 188), 35390#(<= ULTIMATE.start_main_~i~4 190), 35391#(<= ULTIMATE.start_main_~i~4 192), 35392#(<= ULTIMATE.start_main_~i~4 194), 35393#(<= ULTIMATE.start_main_~i~4 196), 35394#(<= ULTIMATE.start_main_~i~4 198), 35395#(<= ULTIMATE.start_main_~i~4 200), 35396#(<= ULTIMATE.start_main_~i~4 202), 35397#(<= ULTIMATE.start_main_~i~4 204), 35398#(<= ULTIMATE.start_main_~i~4 206), 35399#(<= ULTIMATE.start_main_~i~4 208), 35400#(<= ULTIMATE.start_main_~i~4 210), 35401#(<= ULTIMATE.start_main_~i~4 212), 35402#(<= ULTIMATE.start_main_~i~4 214), 35403#(<= ULTIMATE.start_main_~i~4 216), 35404#(<= ULTIMATE.start_main_~i~4 218), 35405#(<= ULTIMATE.start_main_~i~4 220), 35406#(<= ULTIMATE.start_main_~i~4 222), 35407#(<= ULTIMATE.start_main_~i~4 224), 35408#(<= ULTIMATE.start_main_~i~4 226), 35409#(<= ULTIMATE.start_main_~i~4 228), 35293#true, 35294#false, 35295#(<= ULTIMATE.start_main_~i~4 0), 35296#(<= ULTIMATE.start_main_~i~4 2), 35297#(<= ULTIMATE.start_main_~i~4 4), 35298#(<= ULTIMATE.start_main_~i~4 6), 35299#(<= ULTIMATE.start_main_~i~4 8), 35300#(<= ULTIMATE.start_main_~i~4 10), 35301#(<= ULTIMATE.start_main_~i~4 12), 35302#(<= ULTIMATE.start_main_~i~4 14), 35303#(<= ULTIMATE.start_main_~i~4 16), 35304#(<= ULTIMATE.start_main_~i~4 18), 35305#(<= ULTIMATE.start_main_~i~4 20), 35306#(<= ULTIMATE.start_main_~i~4 22), 35307#(<= ULTIMATE.start_main_~i~4 24), 35308#(<= ULTIMATE.start_main_~i~4 26), 35309#(<= ULTIMATE.start_main_~i~4 28), 35310#(<= ULTIMATE.start_main_~i~4 30), 35311#(<= ULTIMATE.start_main_~i~4 32), 35312#(<= ULTIMATE.start_main_~i~4 34), 35313#(<= ULTIMATE.start_main_~i~4 36), 35314#(<= ULTIMATE.start_main_~i~4 38), 35315#(<= ULTIMATE.start_main_~i~4 40), 35316#(<= ULTIMATE.start_main_~i~4 42), 35317#(<= ULTIMATE.start_main_~i~4 44), 35318#(<= ULTIMATE.start_main_~i~4 46), 35319#(<= ULTIMATE.start_main_~i~4 48), 35320#(<= ULTIMATE.start_main_~i~4 50), 35321#(<= ULTIMATE.start_main_~i~4 52), 35322#(<= ULTIMATE.start_main_~i~4 54), 35323#(<= ULTIMATE.start_main_~i~4 56), 35324#(<= ULTIMATE.start_main_~i~4 58), 35325#(<= ULTIMATE.start_main_~i~4 60), 35326#(<= ULTIMATE.start_main_~i~4 62), 35327#(<= ULTIMATE.start_main_~i~4 64)] [2018-07-23 13:37:58,978 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 13:37:58,978 INFO L450 AbstractCegarLoop]: Interpolant automaton has 117 states [2018-07-23 13:37:58,979 INFO L132 InterpolantAutomaton]: Constructing interpolant automaton starting with 117 interpolants. [2018-07-23 13:37:58,980 INFO L133 InterpolantAutomaton]: CoverageRelationStatistics Valid=6786, Invalid=6786, Unknown=0, NotChecked=0, Total=13572 [2018-07-23 13:37:58,980 INFO L87 Difference]: Start difference. First operand 118 states and 118 transitions. Second operand 117 states. [2018-07-23 13:37:59,065 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2018-07-23 13:37:59,065 INFO L93 Difference]: Finished difference Result 121 states and 121 transitions. [2018-07-23 13:37:59,065 INFO L142 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 117 states. [2018-07-23 13:37:59,065 INFO L78 Accepts]: Start accepts. Automaton has 117 states. Word has length 117 [2018-07-23 13:37:59,066 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2018-07-23 13:37:59,066 INFO L225 Difference]: With dead ends: 121 [2018-07-23 13:37:59,066 INFO L226 Difference]: Without dead ends: 119 [2018-07-23 13:37:59,067 INFO L575 BasicCegarLoop]: 0 DeclaredPredicates, 116 GetRequests, 1 SyntacticMatches, 0 SemanticMatches, 115 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 0 ImplicationChecksByTransitivity, 0.3s TimeCoverageRelationStatistics Valid=6786, Invalid=6786, Unknown=0, NotChecked=0, Total=13572 [2018-07-23 13:37:59,067 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 119 states. [2018-07-23 13:37:59,070 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 119 to 119. [2018-07-23 13:37:59,070 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 119 states. [2018-07-23 13:37:59,070 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 119 states to 119 states and 119 transitions. [2018-07-23 13:37:59,070 INFO L78 Accepts]: Start accepts. Automaton has 119 states and 119 transitions. Word has length 117 [2018-07-23 13:37:59,071 INFO L84 Accepts]: Finished accepts. word is rejected. [2018-07-23 13:37:59,071 INFO L471 AbstractCegarLoop]: Abstraction has 119 states and 119 transitions. [2018-07-23 13:37:59,071 INFO L472 AbstractCegarLoop]: Interpolant automaton has 117 states. [2018-07-23 13:37:59,071 INFO L276 IsEmpty]: Start isEmpty. Operand 119 states and 119 transitions. [2018-07-23 13:37:59,072 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 119 [2018-07-23 13:37:59,072 INFO L349 BasicCegarLoop]: Found error trace [2018-07-23 13:37:59,072 INFO L357 BasicCegarLoop]: trace histogram [115, 1, 1, 1] [2018-07-23 13:37:59,072 INFO L414 AbstractCegarLoop]: === Iteration 116 === [ULTIMATE.startErr0AssertViolationASSERT]=== [2018-07-23 13:37:59,072 INFO L82 PathProgramCache]: Analyzing trace with hash -1868367544, now seen corresponding path program 115 times [2018-07-23 13:37:59,072 INFO L69 tionRefinementEngine]: Using refinement strategy FixedRefinementStrategy [2018-07-23 13:37:59,126 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-07-23 13:37:59,451 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 13:37:59,452 INFO L309 seRefinementStrategy]: Constructing automaton from 0 perfect and 1 imperfect interpolant sequences. [2018-07-23 13:37:59,452 INFO L324 seRefinementStrategy]: Number of different interpolants: perfect sequences [] imperfect sequences [117] total 117 [2018-07-23 13:37:59,452 INFO L142 lantAutomatonBuilder]: Constructing canonical interpolant automaton, with selfloop in false state [2018-07-23 13:37:59,452 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 13:37:59,453 INFO L185 omatonBuilderFactory]: Interpolants [35890#true, 35891#false, 35892#(<= ULTIMATE.start_main_~i~4 0), 35893#(<= ULTIMATE.start_main_~i~4 2), 35894#(<= ULTIMATE.start_main_~i~4 4), 35895#(<= ULTIMATE.start_main_~i~4 6), 35896#(<= ULTIMATE.start_main_~i~4 8), 35897#(<= ULTIMATE.start_main_~i~4 10), 35898#(<= ULTIMATE.start_main_~i~4 12), 35899#(<= ULTIMATE.start_main_~i~4 14), 35900#(<= ULTIMATE.start_main_~i~4 16), 35901#(<= ULTIMATE.start_main_~i~4 18), 35902#(<= ULTIMATE.start_main_~i~4 20), 35903#(<= ULTIMATE.start_main_~i~4 22), 35904#(<= ULTIMATE.start_main_~i~4 24), 35905#(<= ULTIMATE.start_main_~i~4 26), 35906#(<= ULTIMATE.start_main_~i~4 28), 35907#(<= ULTIMATE.start_main_~i~4 30), 35908#(<= ULTIMATE.start_main_~i~4 32), 35909#(<= ULTIMATE.start_main_~i~4 34), 35910#(<= ULTIMATE.start_main_~i~4 36), 35911#(<= ULTIMATE.start_main_~i~4 38), 35912#(<= ULTIMATE.start_main_~i~4 40), 35913#(<= ULTIMATE.start_main_~i~4 42), 35914#(<= ULTIMATE.start_main_~i~4 44), 35915#(<= ULTIMATE.start_main_~i~4 46), 35916#(<= ULTIMATE.start_main_~i~4 48), 35917#(<= ULTIMATE.start_main_~i~4 50), 35918#(<= ULTIMATE.start_main_~i~4 52), 35919#(<= ULTIMATE.start_main_~i~4 54), 35920#(<= ULTIMATE.start_main_~i~4 56), 35921#(<= ULTIMATE.start_main_~i~4 58), 35922#(<= ULTIMATE.start_main_~i~4 60), 35923#(<= ULTIMATE.start_main_~i~4 62), 35924#(<= ULTIMATE.start_main_~i~4 64), 35925#(<= ULTIMATE.start_main_~i~4 66), 35926#(<= ULTIMATE.start_main_~i~4 68), 35927#(<= ULTIMATE.start_main_~i~4 70), 35928#(<= ULTIMATE.start_main_~i~4 72), 35929#(<= ULTIMATE.start_main_~i~4 74), 35930#(<= ULTIMATE.start_main_~i~4 76), 35931#(<= ULTIMATE.start_main_~i~4 78), 35932#(<= ULTIMATE.start_main_~i~4 80), 35933#(<= ULTIMATE.start_main_~i~4 82), 35934#(<= ULTIMATE.start_main_~i~4 84), 35935#(<= ULTIMATE.start_main_~i~4 86), 35936#(<= ULTIMATE.start_main_~i~4 88), 35937#(<= ULTIMATE.start_main_~i~4 90), 35938#(<= ULTIMATE.start_main_~i~4 92), 35939#(<= ULTIMATE.start_main_~i~4 94), 35940#(<= ULTIMATE.start_main_~i~4 96), 35941#(<= ULTIMATE.start_main_~i~4 98), 35942#(<= ULTIMATE.start_main_~i~4 100), 35943#(<= ULTIMATE.start_main_~i~4 102), 35944#(<= ULTIMATE.start_main_~i~4 104), 35945#(<= ULTIMATE.start_main_~i~4 106), 35946#(<= ULTIMATE.start_main_~i~4 108), 35947#(<= ULTIMATE.start_main_~i~4 110), 35948#(<= ULTIMATE.start_main_~i~4 112), 35949#(<= ULTIMATE.start_main_~i~4 114), 35950#(<= ULTIMATE.start_main_~i~4 116), 35951#(<= ULTIMATE.start_main_~i~4 118), 35952#(<= ULTIMATE.start_main_~i~4 120), 35953#(<= ULTIMATE.start_main_~i~4 122), 35954#(<= ULTIMATE.start_main_~i~4 124), 35955#(<= ULTIMATE.start_main_~i~4 126), 35956#(<= ULTIMATE.start_main_~i~4 128), 35957#(<= ULTIMATE.start_main_~i~4 130), 35958#(<= ULTIMATE.start_main_~i~4 132), 35959#(<= ULTIMATE.start_main_~i~4 134), 35960#(<= ULTIMATE.start_main_~i~4 136), 35961#(<= ULTIMATE.start_main_~i~4 138), 35962#(<= ULTIMATE.start_main_~i~4 140), 35963#(<= ULTIMATE.start_main_~i~4 142), 35964#(<= ULTIMATE.start_main_~i~4 144), 35965#(<= ULTIMATE.start_main_~i~4 146), 35966#(<= ULTIMATE.start_main_~i~4 148), 35967#(<= ULTIMATE.start_main_~i~4 150), 35968#(<= ULTIMATE.start_main_~i~4 152), 35969#(<= ULTIMATE.start_main_~i~4 154), 35970#(<= ULTIMATE.start_main_~i~4 156), 35971#(<= ULTIMATE.start_main_~i~4 158), 35972#(<= ULTIMATE.start_main_~i~4 160), 35973#(<= ULTIMATE.start_main_~i~4 162), 35974#(<= ULTIMATE.start_main_~i~4 164), 35975#(<= ULTIMATE.start_main_~i~4 166), 35976#(<= ULTIMATE.start_main_~i~4 168), 35977#(<= ULTIMATE.start_main_~i~4 170), 35978#(<= ULTIMATE.start_main_~i~4 172), 35979#(<= ULTIMATE.start_main_~i~4 174), 35980#(<= ULTIMATE.start_main_~i~4 176), 35981#(<= ULTIMATE.start_main_~i~4 178), 35982#(<= ULTIMATE.start_main_~i~4 180), 35983#(<= ULTIMATE.start_main_~i~4 182), 35984#(<= ULTIMATE.start_main_~i~4 184), 35985#(<= ULTIMATE.start_main_~i~4 186), 35986#(<= ULTIMATE.start_main_~i~4 188), 35987#(<= ULTIMATE.start_main_~i~4 190), 35988#(<= ULTIMATE.start_main_~i~4 192), 35989#(<= ULTIMATE.start_main_~i~4 194), 35990#(<= ULTIMATE.start_main_~i~4 196), 35991#(<= ULTIMATE.start_main_~i~4 198), 35992#(<= ULTIMATE.start_main_~i~4 200), 35993#(<= ULTIMATE.start_main_~i~4 202), 35994#(<= ULTIMATE.start_main_~i~4 204), 35995#(<= ULTIMATE.start_main_~i~4 206), 35996#(<= ULTIMATE.start_main_~i~4 208), 35997#(<= ULTIMATE.start_main_~i~4 210), 35998#(<= ULTIMATE.start_main_~i~4 212), 35999#(<= ULTIMATE.start_main_~i~4 214), 36000#(<= ULTIMATE.start_main_~i~4 216), 36001#(<= ULTIMATE.start_main_~i~4 218), 36002#(<= ULTIMATE.start_main_~i~4 220), 36003#(<= ULTIMATE.start_main_~i~4 222), 36004#(<= ULTIMATE.start_main_~i~4 224), 36005#(<= ULTIMATE.start_main_~i~4 226), 36006#(<= ULTIMATE.start_main_~i~4 228), 36007#(<= ULTIMATE.start_main_~i~4 230)] [2018-07-23 13:37:59,454 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 13:37:59,454 INFO L450 AbstractCegarLoop]: Interpolant automaton has 118 states [2018-07-23 13:37:59,455 INFO L132 InterpolantAutomaton]: Constructing interpolant automaton starting with 118 interpolants. [2018-07-23 13:37:59,455 INFO L133 InterpolantAutomaton]: CoverageRelationStatistics Valid=6903, Invalid=6903, Unknown=0, NotChecked=0, Total=13806 [2018-07-23 13:37:59,455 INFO L87 Difference]: Start difference. First operand 119 states and 119 transitions. Second operand 118 states. [2018-07-23 13:37:59,646 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2018-07-23 13:37:59,647 INFO L93 Difference]: Finished difference Result 122 states and 122 transitions. [2018-07-23 13:37:59,647 INFO L142 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 118 states. [2018-07-23 13:37:59,647 INFO L78 Accepts]: Start accepts. Automaton has 118 states. Word has length 118 [2018-07-23 13:37:59,647 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2018-07-23 13:37:59,648 INFO L225 Difference]: With dead ends: 122 [2018-07-23 13:37:59,648 INFO L226 Difference]: Without dead ends: 120 [2018-07-23 13:37:59,649 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 13:37:59,649 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 120 states. [2018-07-23 13:37:59,653 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 120 to 120. [2018-07-23 13:37:59,654 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 120 states. [2018-07-23 13:37:59,654 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 120 states to 120 states and 120 transitions. [2018-07-23 13:37:59,654 INFO L78 Accepts]: Start accepts. Automaton has 120 states and 120 transitions. Word has length 118 [2018-07-23 13:37:59,655 INFO L84 Accepts]: Finished accepts. word is rejected. [2018-07-23 13:37:59,655 INFO L471 AbstractCegarLoop]: Abstraction has 120 states and 120 transitions. [2018-07-23 13:37:59,655 INFO L472 AbstractCegarLoop]: Interpolant automaton has 118 states. [2018-07-23 13:37:59,655 INFO L276 IsEmpty]: Start isEmpty. Operand 120 states and 120 transitions. [2018-07-23 13:37:59,656 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 120 [2018-07-23 13:37:59,656 INFO L349 BasicCegarLoop]: Found error trace [2018-07-23 13:37:59,656 INFO L357 BasicCegarLoop]: trace histogram [116, 1, 1, 1] [2018-07-23 13:37:59,656 INFO L414 AbstractCegarLoop]: === Iteration 117 === [ULTIMATE.startErr0AssertViolationASSERT]=== [2018-07-23 13:37:59,656 INFO L82 PathProgramCache]: Analyzing trace with hash -2084820991, now seen corresponding path program 116 times [2018-07-23 13:37:59,657 INFO L69 tionRefinementEngine]: Using refinement strategy FixedRefinementStrategy [2018-07-23 13:37:59,717 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-07-23 13:38:00,064 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 13:38:00,064 INFO L309 seRefinementStrategy]: Constructing automaton from 0 perfect and 1 imperfect interpolant sequences. [2018-07-23 13:38:00,064 INFO L324 seRefinementStrategy]: Number of different interpolants: perfect sequences [] imperfect sequences [118] total 118 [2018-07-23 13:38:00,064 INFO L142 lantAutomatonBuilder]: Constructing canonical interpolant automaton, with selfloop in false state [2018-07-23 13:38:00,064 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2018-07-23 13:38:00,065 INFO L185 omatonBuilderFactory]: Interpolants [36608#(<= ULTIMATE.start_main_~i~4 228), 36609#(<= ULTIMATE.start_main_~i~4 230), 36610#(<= ULTIMATE.start_main_~i~4 232), 36492#true, 36493#false, 36494#(<= ULTIMATE.start_main_~i~4 0), 36495#(<= ULTIMATE.start_main_~i~4 2), 36496#(<= ULTIMATE.start_main_~i~4 4), 36497#(<= ULTIMATE.start_main_~i~4 6), 36498#(<= ULTIMATE.start_main_~i~4 8), 36499#(<= ULTIMATE.start_main_~i~4 10), 36500#(<= ULTIMATE.start_main_~i~4 12), 36501#(<= ULTIMATE.start_main_~i~4 14), 36502#(<= ULTIMATE.start_main_~i~4 16), 36503#(<= ULTIMATE.start_main_~i~4 18), 36504#(<= ULTIMATE.start_main_~i~4 20), 36505#(<= ULTIMATE.start_main_~i~4 22), 36506#(<= ULTIMATE.start_main_~i~4 24), 36507#(<= ULTIMATE.start_main_~i~4 26), 36508#(<= ULTIMATE.start_main_~i~4 28), 36509#(<= ULTIMATE.start_main_~i~4 30), 36510#(<= ULTIMATE.start_main_~i~4 32), 36511#(<= ULTIMATE.start_main_~i~4 34), 36512#(<= ULTIMATE.start_main_~i~4 36), 36513#(<= ULTIMATE.start_main_~i~4 38), 36514#(<= ULTIMATE.start_main_~i~4 40), 36515#(<= ULTIMATE.start_main_~i~4 42), 36516#(<= ULTIMATE.start_main_~i~4 44), 36517#(<= ULTIMATE.start_main_~i~4 46), 36518#(<= ULTIMATE.start_main_~i~4 48), 36519#(<= ULTIMATE.start_main_~i~4 50), 36520#(<= ULTIMATE.start_main_~i~4 52), 36521#(<= ULTIMATE.start_main_~i~4 54), 36522#(<= ULTIMATE.start_main_~i~4 56), 36523#(<= ULTIMATE.start_main_~i~4 58), 36524#(<= ULTIMATE.start_main_~i~4 60), 36525#(<= ULTIMATE.start_main_~i~4 62), 36526#(<= ULTIMATE.start_main_~i~4 64), 36527#(<= ULTIMATE.start_main_~i~4 66), 36528#(<= ULTIMATE.start_main_~i~4 68), 36529#(<= ULTIMATE.start_main_~i~4 70), 36530#(<= ULTIMATE.start_main_~i~4 72), 36531#(<= ULTIMATE.start_main_~i~4 74), 36532#(<= ULTIMATE.start_main_~i~4 76), 36533#(<= ULTIMATE.start_main_~i~4 78), 36534#(<= ULTIMATE.start_main_~i~4 80), 36535#(<= ULTIMATE.start_main_~i~4 82), 36536#(<= ULTIMATE.start_main_~i~4 84), 36537#(<= ULTIMATE.start_main_~i~4 86), 36538#(<= ULTIMATE.start_main_~i~4 88), 36539#(<= ULTIMATE.start_main_~i~4 90), 36540#(<= ULTIMATE.start_main_~i~4 92), 36541#(<= ULTIMATE.start_main_~i~4 94), 36542#(<= ULTIMATE.start_main_~i~4 96), 36543#(<= ULTIMATE.start_main_~i~4 98), 36544#(<= ULTIMATE.start_main_~i~4 100), 36545#(<= ULTIMATE.start_main_~i~4 102), 36546#(<= ULTIMATE.start_main_~i~4 104), 36547#(<= ULTIMATE.start_main_~i~4 106), 36548#(<= ULTIMATE.start_main_~i~4 108), 36549#(<= ULTIMATE.start_main_~i~4 110), 36550#(<= ULTIMATE.start_main_~i~4 112), 36551#(<= ULTIMATE.start_main_~i~4 114), 36552#(<= ULTIMATE.start_main_~i~4 116), 36553#(<= ULTIMATE.start_main_~i~4 118), 36554#(<= ULTIMATE.start_main_~i~4 120), 36555#(<= ULTIMATE.start_main_~i~4 122), 36556#(<= ULTIMATE.start_main_~i~4 124), 36557#(<= ULTIMATE.start_main_~i~4 126), 36558#(<= ULTIMATE.start_main_~i~4 128), 36559#(<= ULTIMATE.start_main_~i~4 130), 36560#(<= ULTIMATE.start_main_~i~4 132), 36561#(<= ULTIMATE.start_main_~i~4 134), 36562#(<= ULTIMATE.start_main_~i~4 136), 36563#(<= ULTIMATE.start_main_~i~4 138), 36564#(<= ULTIMATE.start_main_~i~4 140), 36565#(<= ULTIMATE.start_main_~i~4 142), 36566#(<= ULTIMATE.start_main_~i~4 144), 36567#(<= ULTIMATE.start_main_~i~4 146), 36568#(<= ULTIMATE.start_main_~i~4 148), 36569#(<= ULTIMATE.start_main_~i~4 150), 36570#(<= ULTIMATE.start_main_~i~4 152), 36571#(<= ULTIMATE.start_main_~i~4 154), 36572#(<= ULTIMATE.start_main_~i~4 156), 36573#(<= ULTIMATE.start_main_~i~4 158), 36574#(<= ULTIMATE.start_main_~i~4 160), 36575#(<= ULTIMATE.start_main_~i~4 162), 36576#(<= ULTIMATE.start_main_~i~4 164), 36577#(<= ULTIMATE.start_main_~i~4 166), 36578#(<= ULTIMATE.start_main_~i~4 168), 36579#(<= ULTIMATE.start_main_~i~4 170), 36580#(<= ULTIMATE.start_main_~i~4 172), 36581#(<= ULTIMATE.start_main_~i~4 174), 36582#(<= ULTIMATE.start_main_~i~4 176), 36583#(<= ULTIMATE.start_main_~i~4 178), 36584#(<= ULTIMATE.start_main_~i~4 180), 36585#(<= ULTIMATE.start_main_~i~4 182), 36586#(<= ULTIMATE.start_main_~i~4 184), 36587#(<= ULTIMATE.start_main_~i~4 186), 36588#(<= ULTIMATE.start_main_~i~4 188), 36589#(<= ULTIMATE.start_main_~i~4 190), 36590#(<= ULTIMATE.start_main_~i~4 192), 36591#(<= ULTIMATE.start_main_~i~4 194), 36592#(<= ULTIMATE.start_main_~i~4 196), 36593#(<= ULTIMATE.start_main_~i~4 198), 36594#(<= ULTIMATE.start_main_~i~4 200), 36595#(<= ULTIMATE.start_main_~i~4 202), 36596#(<= ULTIMATE.start_main_~i~4 204), 36597#(<= ULTIMATE.start_main_~i~4 206), 36598#(<= ULTIMATE.start_main_~i~4 208), 36599#(<= ULTIMATE.start_main_~i~4 210), 36600#(<= ULTIMATE.start_main_~i~4 212), 36601#(<= ULTIMATE.start_main_~i~4 214), 36602#(<= ULTIMATE.start_main_~i~4 216), 36603#(<= ULTIMATE.start_main_~i~4 218), 36604#(<= ULTIMATE.start_main_~i~4 220), 36605#(<= ULTIMATE.start_main_~i~4 222), 36606#(<= ULTIMATE.start_main_~i~4 224), 36607#(<= ULTIMATE.start_main_~i~4 226)] [2018-07-23 13:38:00,065 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 13:38:00,065 INFO L450 AbstractCegarLoop]: Interpolant automaton has 119 states [2018-07-23 13:38:00,066 INFO L132 InterpolantAutomaton]: Constructing interpolant automaton starting with 119 interpolants. [2018-07-23 13:38:00,066 INFO L133 InterpolantAutomaton]: CoverageRelationStatistics Valid=7021, Invalid=7021, Unknown=0, NotChecked=0, Total=14042 [2018-07-23 13:38:00,066 INFO L87 Difference]: Start difference. First operand 120 states and 120 transitions. Second operand 119 states. [2018-07-23 13:38:00,184 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2018-07-23 13:38:00,184 INFO L93 Difference]: Finished difference Result 123 states and 123 transitions. [2018-07-23 13:38:00,184 INFO L142 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 119 states. [2018-07-23 13:38:00,184 INFO L78 Accepts]: Start accepts. Automaton has 119 states. Word has length 119 [2018-07-23 13:38:00,184 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2018-07-23 13:38:00,185 INFO L225 Difference]: With dead ends: 123 [2018-07-23 13:38:00,185 INFO L226 Difference]: Without dead ends: 121 [2018-07-23 13:38:00,185 INFO L575 BasicCegarLoop]: 0 DeclaredPredicates, 118 GetRequests, 1 SyntacticMatches, 0 SemanticMatches, 117 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 0 ImplicationChecksByTransitivity, 0.3s TimeCoverageRelationStatistics Valid=7021, Invalid=7021, Unknown=0, NotChecked=0, Total=14042 [2018-07-23 13:38:00,186 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 121 states. [2018-07-23 13:38:00,187 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 121 to 121. [2018-07-23 13:38:00,188 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 121 states. [2018-07-23 13:38:00,188 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 121 states to 121 states and 121 transitions. [2018-07-23 13:38:00,188 INFO L78 Accepts]: Start accepts. Automaton has 121 states and 121 transitions. Word has length 119 [2018-07-23 13:38:00,188 INFO L84 Accepts]: Finished accepts. word is rejected. [2018-07-23 13:38:00,188 INFO L471 AbstractCegarLoop]: Abstraction has 121 states and 121 transitions. [2018-07-23 13:38:00,189 INFO L472 AbstractCegarLoop]: Interpolant automaton has 119 states. [2018-07-23 13:38:00,189 INFO L276 IsEmpty]: Start isEmpty. Operand 121 states and 121 transitions. [2018-07-23 13:38:00,189 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 121 [2018-07-23 13:38:00,189 INFO L349 BasicCegarLoop]: Found error trace [2018-07-23 13:38:00,189 INFO L357 BasicCegarLoop]: trace histogram [117, 1, 1, 1] [2018-07-23 13:38:00,190 INFO L414 AbstractCegarLoop]: === Iteration 118 === [ULTIMATE.startErr0AssertViolationASSERT]=== [2018-07-23 13:38:00,190 INFO L82 PathProgramCache]: Analyzing trace with hash -204943256, now seen corresponding path program 117 times [2018-07-23 13:38:00,190 INFO L69 tionRefinementEngine]: Using refinement strategy FixedRefinementStrategy [2018-07-23 13:38:00,235 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-07-23 13:38:00,519 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 13:38:00,519 INFO L309 seRefinementStrategy]: Constructing automaton from 0 perfect and 1 imperfect interpolant sequences. [2018-07-23 13:38:00,519 INFO L324 seRefinementStrategy]: Number of different interpolants: perfect sequences [] imperfect sequences [119] total 119 [2018-07-23 13:38:00,519 INFO L142 lantAutomatonBuilder]: Constructing canonical interpolant automaton, with selfloop in false state [2018-07-23 13:38:00,519 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2018-07-23 13:38:00,520 INFO L185 omatonBuilderFactory]: Interpolants [37120#(<= ULTIMATE.start_main_~i~4 38), 37121#(<= ULTIMATE.start_main_~i~4 40), 37122#(<= ULTIMATE.start_main_~i~4 42), 37123#(<= ULTIMATE.start_main_~i~4 44), 37124#(<= ULTIMATE.start_main_~i~4 46), 37125#(<= ULTIMATE.start_main_~i~4 48), 37126#(<= ULTIMATE.start_main_~i~4 50), 37127#(<= ULTIMATE.start_main_~i~4 52), 37128#(<= ULTIMATE.start_main_~i~4 54), 37129#(<= ULTIMATE.start_main_~i~4 56), 37130#(<= ULTIMATE.start_main_~i~4 58), 37131#(<= ULTIMATE.start_main_~i~4 60), 37132#(<= ULTIMATE.start_main_~i~4 62), 37133#(<= ULTIMATE.start_main_~i~4 64), 37134#(<= ULTIMATE.start_main_~i~4 66), 37135#(<= ULTIMATE.start_main_~i~4 68), 37136#(<= ULTIMATE.start_main_~i~4 70), 37137#(<= ULTIMATE.start_main_~i~4 72), 37138#(<= ULTIMATE.start_main_~i~4 74), 37139#(<= ULTIMATE.start_main_~i~4 76), 37140#(<= ULTIMATE.start_main_~i~4 78), 37141#(<= ULTIMATE.start_main_~i~4 80), 37142#(<= ULTIMATE.start_main_~i~4 82), 37143#(<= ULTIMATE.start_main_~i~4 84), 37144#(<= ULTIMATE.start_main_~i~4 86), 37145#(<= ULTIMATE.start_main_~i~4 88), 37146#(<= ULTIMATE.start_main_~i~4 90), 37147#(<= ULTIMATE.start_main_~i~4 92), 37148#(<= ULTIMATE.start_main_~i~4 94), 37149#(<= ULTIMATE.start_main_~i~4 96), 37150#(<= ULTIMATE.start_main_~i~4 98), 37151#(<= ULTIMATE.start_main_~i~4 100), 37152#(<= ULTIMATE.start_main_~i~4 102), 37153#(<= ULTIMATE.start_main_~i~4 104), 37154#(<= ULTIMATE.start_main_~i~4 106), 37155#(<= ULTIMATE.start_main_~i~4 108), 37156#(<= ULTIMATE.start_main_~i~4 110), 37157#(<= ULTIMATE.start_main_~i~4 112), 37158#(<= ULTIMATE.start_main_~i~4 114), 37159#(<= ULTIMATE.start_main_~i~4 116), 37160#(<= ULTIMATE.start_main_~i~4 118), 37161#(<= ULTIMATE.start_main_~i~4 120), 37162#(<= ULTIMATE.start_main_~i~4 122), 37163#(<= ULTIMATE.start_main_~i~4 124), 37164#(<= ULTIMATE.start_main_~i~4 126), 37165#(<= ULTIMATE.start_main_~i~4 128), 37166#(<= ULTIMATE.start_main_~i~4 130), 37167#(<= ULTIMATE.start_main_~i~4 132), 37168#(<= ULTIMATE.start_main_~i~4 134), 37169#(<= ULTIMATE.start_main_~i~4 136), 37170#(<= ULTIMATE.start_main_~i~4 138), 37171#(<= ULTIMATE.start_main_~i~4 140), 37172#(<= ULTIMATE.start_main_~i~4 142), 37173#(<= ULTIMATE.start_main_~i~4 144), 37174#(<= ULTIMATE.start_main_~i~4 146), 37175#(<= ULTIMATE.start_main_~i~4 148), 37176#(<= ULTIMATE.start_main_~i~4 150), 37177#(<= ULTIMATE.start_main_~i~4 152), 37178#(<= ULTIMATE.start_main_~i~4 154), 37179#(<= ULTIMATE.start_main_~i~4 156), 37180#(<= ULTIMATE.start_main_~i~4 158), 37181#(<= ULTIMATE.start_main_~i~4 160), 37182#(<= ULTIMATE.start_main_~i~4 162), 37183#(<= ULTIMATE.start_main_~i~4 164), 37184#(<= ULTIMATE.start_main_~i~4 166), 37185#(<= ULTIMATE.start_main_~i~4 168), 37186#(<= ULTIMATE.start_main_~i~4 170), 37187#(<= ULTIMATE.start_main_~i~4 172), 37188#(<= ULTIMATE.start_main_~i~4 174), 37189#(<= ULTIMATE.start_main_~i~4 176), 37190#(<= ULTIMATE.start_main_~i~4 178), 37191#(<= ULTIMATE.start_main_~i~4 180), 37192#(<= ULTIMATE.start_main_~i~4 182), 37193#(<= ULTIMATE.start_main_~i~4 184), 37194#(<= ULTIMATE.start_main_~i~4 186), 37195#(<= ULTIMATE.start_main_~i~4 188), 37196#(<= ULTIMATE.start_main_~i~4 190), 37197#(<= ULTIMATE.start_main_~i~4 192), 37198#(<= ULTIMATE.start_main_~i~4 194), 37199#(<= ULTIMATE.start_main_~i~4 196), 37200#(<= ULTIMATE.start_main_~i~4 198), 37201#(<= ULTIMATE.start_main_~i~4 200), 37202#(<= ULTIMATE.start_main_~i~4 202), 37203#(<= ULTIMATE.start_main_~i~4 204), 37204#(<= ULTIMATE.start_main_~i~4 206), 37205#(<= ULTIMATE.start_main_~i~4 208), 37206#(<= ULTIMATE.start_main_~i~4 210), 37207#(<= ULTIMATE.start_main_~i~4 212), 37208#(<= ULTIMATE.start_main_~i~4 214), 37209#(<= ULTIMATE.start_main_~i~4 216), 37210#(<= ULTIMATE.start_main_~i~4 218), 37211#(<= ULTIMATE.start_main_~i~4 220), 37212#(<= ULTIMATE.start_main_~i~4 222), 37213#(<= ULTIMATE.start_main_~i~4 224), 37214#(<= ULTIMATE.start_main_~i~4 226), 37215#(<= ULTIMATE.start_main_~i~4 228), 37216#(<= ULTIMATE.start_main_~i~4 230), 37217#(<= ULTIMATE.start_main_~i~4 232), 37218#(<= ULTIMATE.start_main_~i~4 234), 37099#true, 37100#false, 37101#(<= ULTIMATE.start_main_~i~4 0), 37102#(<= ULTIMATE.start_main_~i~4 2), 37103#(<= ULTIMATE.start_main_~i~4 4), 37104#(<= ULTIMATE.start_main_~i~4 6), 37105#(<= ULTIMATE.start_main_~i~4 8), 37106#(<= ULTIMATE.start_main_~i~4 10), 37107#(<= ULTIMATE.start_main_~i~4 12), 37108#(<= ULTIMATE.start_main_~i~4 14), 37109#(<= ULTIMATE.start_main_~i~4 16), 37110#(<= ULTIMATE.start_main_~i~4 18), 37111#(<= ULTIMATE.start_main_~i~4 20), 37112#(<= ULTIMATE.start_main_~i~4 22), 37113#(<= ULTIMATE.start_main_~i~4 24), 37114#(<= ULTIMATE.start_main_~i~4 26), 37115#(<= ULTIMATE.start_main_~i~4 28), 37116#(<= ULTIMATE.start_main_~i~4 30), 37117#(<= ULTIMATE.start_main_~i~4 32), 37118#(<= ULTIMATE.start_main_~i~4 34), 37119#(<= ULTIMATE.start_main_~i~4 36)] [2018-07-23 13:38:00,520 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 13:38:00,520 INFO L450 AbstractCegarLoop]: Interpolant automaton has 120 states [2018-07-23 13:38:00,521 INFO L132 InterpolantAutomaton]: Constructing interpolant automaton starting with 120 interpolants. [2018-07-23 13:38:00,521 INFO L133 InterpolantAutomaton]: CoverageRelationStatistics Valid=7140, Invalid=7140, Unknown=0, NotChecked=0, Total=14280 [2018-07-23 13:38:00,522 INFO L87 Difference]: Start difference. First operand 121 states and 121 transitions. Second operand 120 states. [2018-07-23 13:38:00,638 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2018-07-23 13:38:00,639 INFO L93 Difference]: Finished difference Result 124 states and 124 transitions. [2018-07-23 13:38:00,639 INFO L142 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 120 states. [2018-07-23 13:38:00,639 INFO L78 Accepts]: Start accepts. Automaton has 120 states. Word has length 120 [2018-07-23 13:38:00,639 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2018-07-23 13:38:00,639 INFO L225 Difference]: With dead ends: 124 [2018-07-23 13:38:00,639 INFO L226 Difference]: Without dead ends: 122 [2018-07-23 13:38:00,640 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 13:38:00,640 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 122 states. [2018-07-23 13:38:00,643 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 122 to 122. [2018-07-23 13:38:00,643 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 122 states. [2018-07-23 13:38:00,643 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 122 states to 122 states and 122 transitions. [2018-07-23 13:38:00,643 INFO L78 Accepts]: Start accepts. Automaton has 122 states and 122 transitions. Word has length 120 [2018-07-23 13:38:00,644 INFO L84 Accepts]: Finished accepts. word is rejected. [2018-07-23 13:38:00,644 INFO L471 AbstractCegarLoop]: Abstraction has 122 states and 122 transitions. [2018-07-23 13:38:00,644 INFO L472 AbstractCegarLoop]: Interpolant automaton has 120 states. [2018-07-23 13:38:00,644 INFO L276 IsEmpty]: Start isEmpty. Operand 122 states and 122 transitions. [2018-07-23 13:38:00,644 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 122 [2018-07-23 13:38:00,645 INFO L349 BasicCegarLoop]: Found error trace [2018-07-23 13:38:00,645 INFO L357 BasicCegarLoop]: trace histogram [118, 1, 1, 1] [2018-07-23 13:38:00,645 INFO L414 AbstractCegarLoop]: === Iteration 119 === [ULTIMATE.startErr0AssertViolationASSERT]=== [2018-07-23 13:38:00,645 INFO L82 PathProgramCache]: Analyzing trace with hash -2058275615, now seen corresponding path program 118 times [2018-07-23 13:38:00,645 INFO L69 tionRefinementEngine]: Using refinement strategy FixedRefinementStrategy [2018-07-23 13:38:00,684 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-07-23 13:38:00,989 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 13:38:00,989 INFO L309 seRefinementStrategy]: Constructing automaton from 0 perfect and 1 imperfect interpolant sequences. [2018-07-23 13:38:00,989 INFO L324 seRefinementStrategy]: Number of different interpolants: perfect sequences [] imperfect sequences [120] total 120 [2018-07-23 13:38:00,989 INFO L142 lantAutomatonBuilder]: Constructing canonical interpolant automaton, with selfloop in false state [2018-07-23 13:38:00,990 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 13:38:00,990 INFO L185 omatonBuilderFactory]: Interpolants [37711#true, 37712#false, 37713#(<= ULTIMATE.start_main_~i~4 0), 37714#(<= ULTIMATE.start_main_~i~4 2), 37715#(<= ULTIMATE.start_main_~i~4 4), 37716#(<= ULTIMATE.start_main_~i~4 6), 37717#(<= ULTIMATE.start_main_~i~4 8), 37718#(<= ULTIMATE.start_main_~i~4 10), 37719#(<= ULTIMATE.start_main_~i~4 12), 37720#(<= ULTIMATE.start_main_~i~4 14), 37721#(<= ULTIMATE.start_main_~i~4 16), 37722#(<= ULTIMATE.start_main_~i~4 18), 37723#(<= ULTIMATE.start_main_~i~4 20), 37724#(<= ULTIMATE.start_main_~i~4 22), 37725#(<= ULTIMATE.start_main_~i~4 24), 37726#(<= ULTIMATE.start_main_~i~4 26), 37727#(<= ULTIMATE.start_main_~i~4 28), 37728#(<= ULTIMATE.start_main_~i~4 30), 37729#(<= ULTIMATE.start_main_~i~4 32), 37730#(<= ULTIMATE.start_main_~i~4 34), 37731#(<= ULTIMATE.start_main_~i~4 36), 37732#(<= ULTIMATE.start_main_~i~4 38), 37733#(<= ULTIMATE.start_main_~i~4 40), 37734#(<= ULTIMATE.start_main_~i~4 42), 37735#(<= ULTIMATE.start_main_~i~4 44), 37736#(<= ULTIMATE.start_main_~i~4 46), 37737#(<= ULTIMATE.start_main_~i~4 48), 37738#(<= ULTIMATE.start_main_~i~4 50), 37739#(<= ULTIMATE.start_main_~i~4 52), 37740#(<= ULTIMATE.start_main_~i~4 54), 37741#(<= ULTIMATE.start_main_~i~4 56), 37742#(<= ULTIMATE.start_main_~i~4 58), 37743#(<= ULTIMATE.start_main_~i~4 60), 37744#(<= ULTIMATE.start_main_~i~4 62), 37745#(<= ULTIMATE.start_main_~i~4 64), 37746#(<= ULTIMATE.start_main_~i~4 66), 37747#(<= ULTIMATE.start_main_~i~4 68), 37748#(<= ULTIMATE.start_main_~i~4 70), 37749#(<= ULTIMATE.start_main_~i~4 72), 37750#(<= ULTIMATE.start_main_~i~4 74), 37751#(<= ULTIMATE.start_main_~i~4 76), 37752#(<= ULTIMATE.start_main_~i~4 78), 37753#(<= ULTIMATE.start_main_~i~4 80), 37754#(<= ULTIMATE.start_main_~i~4 82), 37755#(<= ULTIMATE.start_main_~i~4 84), 37756#(<= ULTIMATE.start_main_~i~4 86), 37757#(<= ULTIMATE.start_main_~i~4 88), 37758#(<= ULTIMATE.start_main_~i~4 90), 37759#(<= ULTIMATE.start_main_~i~4 92), 37760#(<= ULTIMATE.start_main_~i~4 94), 37761#(<= ULTIMATE.start_main_~i~4 96), 37762#(<= ULTIMATE.start_main_~i~4 98), 37763#(<= ULTIMATE.start_main_~i~4 100), 37764#(<= ULTIMATE.start_main_~i~4 102), 37765#(<= ULTIMATE.start_main_~i~4 104), 37766#(<= ULTIMATE.start_main_~i~4 106), 37767#(<= ULTIMATE.start_main_~i~4 108), 37768#(<= ULTIMATE.start_main_~i~4 110), 37769#(<= ULTIMATE.start_main_~i~4 112), 37770#(<= ULTIMATE.start_main_~i~4 114), 37771#(<= ULTIMATE.start_main_~i~4 116), 37772#(<= ULTIMATE.start_main_~i~4 118), 37773#(<= ULTIMATE.start_main_~i~4 120), 37774#(<= ULTIMATE.start_main_~i~4 122), 37775#(<= ULTIMATE.start_main_~i~4 124), 37776#(<= ULTIMATE.start_main_~i~4 126), 37777#(<= ULTIMATE.start_main_~i~4 128), 37778#(<= ULTIMATE.start_main_~i~4 130), 37779#(<= ULTIMATE.start_main_~i~4 132), 37780#(<= ULTIMATE.start_main_~i~4 134), 37781#(<= ULTIMATE.start_main_~i~4 136), 37782#(<= ULTIMATE.start_main_~i~4 138), 37783#(<= ULTIMATE.start_main_~i~4 140), 37784#(<= ULTIMATE.start_main_~i~4 142), 37785#(<= ULTIMATE.start_main_~i~4 144), 37786#(<= ULTIMATE.start_main_~i~4 146), 37787#(<= ULTIMATE.start_main_~i~4 148), 37788#(<= ULTIMATE.start_main_~i~4 150), 37789#(<= ULTIMATE.start_main_~i~4 152), 37790#(<= ULTIMATE.start_main_~i~4 154), 37791#(<= ULTIMATE.start_main_~i~4 156), 37792#(<= ULTIMATE.start_main_~i~4 158), 37793#(<= ULTIMATE.start_main_~i~4 160), 37794#(<= ULTIMATE.start_main_~i~4 162), 37795#(<= ULTIMATE.start_main_~i~4 164), 37796#(<= ULTIMATE.start_main_~i~4 166), 37797#(<= ULTIMATE.start_main_~i~4 168), 37798#(<= ULTIMATE.start_main_~i~4 170), 37799#(<= ULTIMATE.start_main_~i~4 172), 37800#(<= ULTIMATE.start_main_~i~4 174), 37801#(<= ULTIMATE.start_main_~i~4 176), 37802#(<= ULTIMATE.start_main_~i~4 178), 37803#(<= ULTIMATE.start_main_~i~4 180), 37804#(<= ULTIMATE.start_main_~i~4 182), 37805#(<= ULTIMATE.start_main_~i~4 184), 37806#(<= ULTIMATE.start_main_~i~4 186), 37807#(<= ULTIMATE.start_main_~i~4 188), 37808#(<= ULTIMATE.start_main_~i~4 190), 37809#(<= ULTIMATE.start_main_~i~4 192), 37810#(<= ULTIMATE.start_main_~i~4 194), 37811#(<= ULTIMATE.start_main_~i~4 196), 37812#(<= ULTIMATE.start_main_~i~4 198), 37813#(<= ULTIMATE.start_main_~i~4 200), 37814#(<= ULTIMATE.start_main_~i~4 202), 37815#(<= ULTIMATE.start_main_~i~4 204), 37816#(<= ULTIMATE.start_main_~i~4 206), 37817#(<= ULTIMATE.start_main_~i~4 208), 37818#(<= ULTIMATE.start_main_~i~4 210), 37819#(<= ULTIMATE.start_main_~i~4 212), 37820#(<= ULTIMATE.start_main_~i~4 214), 37821#(<= ULTIMATE.start_main_~i~4 216), 37822#(<= ULTIMATE.start_main_~i~4 218), 37823#(<= ULTIMATE.start_main_~i~4 220), 37824#(<= ULTIMATE.start_main_~i~4 222), 37825#(<= ULTIMATE.start_main_~i~4 224), 37826#(<= ULTIMATE.start_main_~i~4 226), 37827#(<= ULTIMATE.start_main_~i~4 228), 37828#(<= ULTIMATE.start_main_~i~4 230), 37829#(<= ULTIMATE.start_main_~i~4 232), 37830#(<= ULTIMATE.start_main_~i~4 234), 37831#(<= ULTIMATE.start_main_~i~4 236)] [2018-07-23 13:38:00,990 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 13:38:00,990 INFO L450 AbstractCegarLoop]: Interpolant automaton has 121 states [2018-07-23 13:38:00,991 INFO L132 InterpolantAutomaton]: Constructing interpolant automaton starting with 121 interpolants. [2018-07-23 13:38:00,991 INFO L133 InterpolantAutomaton]: CoverageRelationStatistics Valid=7260, Invalid=7260, Unknown=0, NotChecked=0, Total=14520 [2018-07-23 13:38:00,992 INFO L87 Difference]: Start difference. First operand 122 states and 122 transitions. Second operand 121 states. [2018-07-23 13:38:01,099 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2018-07-23 13:38:01,100 INFO L93 Difference]: Finished difference Result 125 states and 125 transitions. [2018-07-23 13:38:01,100 INFO L142 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 121 states. [2018-07-23 13:38:01,100 INFO L78 Accepts]: Start accepts. Automaton has 121 states. Word has length 121 [2018-07-23 13:38:01,100 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2018-07-23 13:38:01,101 INFO L225 Difference]: With dead ends: 125 [2018-07-23 13:38:01,101 INFO L226 Difference]: Without dead ends: 123 [2018-07-23 13:38:01,102 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 13:38:01,102 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 123 states. [2018-07-23 13:38:01,104 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 123 to 123. [2018-07-23 13:38:01,104 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 123 states. [2018-07-23 13:38:01,105 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 123 states to 123 states and 123 transitions. [2018-07-23 13:38:01,105 INFO L78 Accepts]: Start accepts. Automaton has 123 states and 123 transitions. Word has length 121 [2018-07-23 13:38:01,105 INFO L84 Accepts]: Finished accepts. word is rejected. [2018-07-23 13:38:01,105 INFO L471 AbstractCegarLoop]: Abstraction has 123 states and 123 transitions. [2018-07-23 13:38:01,105 INFO L472 AbstractCegarLoop]: Interpolant automaton has 121 states. [2018-07-23 13:38:01,106 INFO L276 IsEmpty]: Start isEmpty. Operand 123 states and 123 transitions. [2018-07-23 13:38:01,106 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 123 [2018-07-23 13:38:01,106 INFO L349 BasicCegarLoop]: Found error trace [2018-07-23 13:38:01,106 INFO L357 BasicCegarLoop]: trace histogram [119, 1, 1, 1] [2018-07-23 13:38:01,106 INFO L414 AbstractCegarLoop]: === Iteration 120 === [ULTIMATE.startErr0AssertViolationASSERT]=== [2018-07-23 13:38:01,107 INFO L82 PathProgramCache]: Analyzing trace with hash 617963400, now seen corresponding path program 119 times [2018-07-23 13:38:01,107 INFO L69 tionRefinementEngine]: Using refinement strategy FixedRefinementStrategy [2018-07-23 13:38:01,164 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-07-23 13:38:01,522 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 13:38:01,522 INFO L309 seRefinementStrategy]: Constructing automaton from 0 perfect and 1 imperfect interpolant sequences. [2018-07-23 13:38:01,522 INFO L324 seRefinementStrategy]: Number of different interpolants: perfect sequences [] imperfect sequences [121] total 121 [2018-07-23 13:38:01,523 INFO L142 lantAutomatonBuilder]: Constructing canonical interpolant automaton, with selfloop in false state [2018-07-23 13:38:01,523 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2018-07-23 13:38:01,523 INFO L185 omatonBuilderFactory]: Interpolants [38400#(<= ULTIMATE.start_main_~i~4 140), 38401#(<= ULTIMATE.start_main_~i~4 142), 38402#(<= ULTIMATE.start_main_~i~4 144), 38403#(<= ULTIMATE.start_main_~i~4 146), 38404#(<= ULTIMATE.start_main_~i~4 148), 38405#(<= ULTIMATE.start_main_~i~4 150), 38406#(<= ULTIMATE.start_main_~i~4 152), 38407#(<= ULTIMATE.start_main_~i~4 154), 38408#(<= ULTIMATE.start_main_~i~4 156), 38409#(<= ULTIMATE.start_main_~i~4 158), 38410#(<= ULTIMATE.start_main_~i~4 160), 38411#(<= ULTIMATE.start_main_~i~4 162), 38412#(<= ULTIMATE.start_main_~i~4 164), 38413#(<= ULTIMATE.start_main_~i~4 166), 38414#(<= ULTIMATE.start_main_~i~4 168), 38415#(<= ULTIMATE.start_main_~i~4 170), 38416#(<= ULTIMATE.start_main_~i~4 172), 38417#(<= ULTIMATE.start_main_~i~4 174), 38418#(<= ULTIMATE.start_main_~i~4 176), 38419#(<= ULTIMATE.start_main_~i~4 178), 38420#(<= ULTIMATE.start_main_~i~4 180), 38421#(<= ULTIMATE.start_main_~i~4 182), 38422#(<= ULTIMATE.start_main_~i~4 184), 38423#(<= ULTIMATE.start_main_~i~4 186), 38424#(<= ULTIMATE.start_main_~i~4 188), 38425#(<= ULTIMATE.start_main_~i~4 190), 38426#(<= ULTIMATE.start_main_~i~4 192), 38427#(<= ULTIMATE.start_main_~i~4 194), 38428#(<= ULTIMATE.start_main_~i~4 196), 38429#(<= ULTIMATE.start_main_~i~4 198), 38430#(<= ULTIMATE.start_main_~i~4 200), 38431#(<= ULTIMATE.start_main_~i~4 202), 38432#(<= ULTIMATE.start_main_~i~4 204), 38433#(<= ULTIMATE.start_main_~i~4 206), 38434#(<= ULTIMATE.start_main_~i~4 208), 38435#(<= ULTIMATE.start_main_~i~4 210), 38436#(<= ULTIMATE.start_main_~i~4 212), 38437#(<= ULTIMATE.start_main_~i~4 214), 38438#(<= ULTIMATE.start_main_~i~4 216), 38439#(<= ULTIMATE.start_main_~i~4 218), 38440#(<= ULTIMATE.start_main_~i~4 220), 38441#(<= ULTIMATE.start_main_~i~4 222), 38442#(<= ULTIMATE.start_main_~i~4 224), 38443#(<= ULTIMATE.start_main_~i~4 226), 38444#(<= ULTIMATE.start_main_~i~4 228), 38445#(<= ULTIMATE.start_main_~i~4 230), 38446#(<= ULTIMATE.start_main_~i~4 232), 38447#(<= ULTIMATE.start_main_~i~4 234), 38448#(<= ULTIMATE.start_main_~i~4 236), 38449#(<= ULTIMATE.start_main_~i~4 238), 38328#true, 38329#false, 38330#(<= ULTIMATE.start_main_~i~4 0), 38331#(<= ULTIMATE.start_main_~i~4 2), 38332#(<= ULTIMATE.start_main_~i~4 4), 38333#(<= ULTIMATE.start_main_~i~4 6), 38334#(<= ULTIMATE.start_main_~i~4 8), 38335#(<= ULTIMATE.start_main_~i~4 10), 38336#(<= ULTIMATE.start_main_~i~4 12), 38337#(<= ULTIMATE.start_main_~i~4 14), 38338#(<= ULTIMATE.start_main_~i~4 16), 38339#(<= ULTIMATE.start_main_~i~4 18), 38340#(<= ULTIMATE.start_main_~i~4 20), 38341#(<= ULTIMATE.start_main_~i~4 22), 38342#(<= ULTIMATE.start_main_~i~4 24), 38343#(<= ULTIMATE.start_main_~i~4 26), 38344#(<= ULTIMATE.start_main_~i~4 28), 38345#(<= ULTIMATE.start_main_~i~4 30), 38346#(<= ULTIMATE.start_main_~i~4 32), 38347#(<= ULTIMATE.start_main_~i~4 34), 38348#(<= ULTIMATE.start_main_~i~4 36), 38349#(<= ULTIMATE.start_main_~i~4 38), 38350#(<= ULTIMATE.start_main_~i~4 40), 38351#(<= ULTIMATE.start_main_~i~4 42), 38352#(<= ULTIMATE.start_main_~i~4 44), 38353#(<= ULTIMATE.start_main_~i~4 46), 38354#(<= ULTIMATE.start_main_~i~4 48), 38355#(<= ULTIMATE.start_main_~i~4 50), 38356#(<= ULTIMATE.start_main_~i~4 52), 38357#(<= ULTIMATE.start_main_~i~4 54), 38358#(<= ULTIMATE.start_main_~i~4 56), 38359#(<= ULTIMATE.start_main_~i~4 58), 38360#(<= ULTIMATE.start_main_~i~4 60), 38361#(<= ULTIMATE.start_main_~i~4 62), 38362#(<= ULTIMATE.start_main_~i~4 64), 38363#(<= ULTIMATE.start_main_~i~4 66), 38364#(<= ULTIMATE.start_main_~i~4 68), 38365#(<= ULTIMATE.start_main_~i~4 70), 38366#(<= ULTIMATE.start_main_~i~4 72), 38367#(<= ULTIMATE.start_main_~i~4 74), 38368#(<= ULTIMATE.start_main_~i~4 76), 38369#(<= ULTIMATE.start_main_~i~4 78), 38370#(<= ULTIMATE.start_main_~i~4 80), 38371#(<= ULTIMATE.start_main_~i~4 82), 38372#(<= ULTIMATE.start_main_~i~4 84), 38373#(<= ULTIMATE.start_main_~i~4 86), 38374#(<= ULTIMATE.start_main_~i~4 88), 38375#(<= ULTIMATE.start_main_~i~4 90), 38376#(<= ULTIMATE.start_main_~i~4 92), 38377#(<= ULTIMATE.start_main_~i~4 94), 38378#(<= ULTIMATE.start_main_~i~4 96), 38379#(<= ULTIMATE.start_main_~i~4 98), 38380#(<= ULTIMATE.start_main_~i~4 100), 38381#(<= ULTIMATE.start_main_~i~4 102), 38382#(<= ULTIMATE.start_main_~i~4 104), 38383#(<= ULTIMATE.start_main_~i~4 106), 38384#(<= ULTIMATE.start_main_~i~4 108), 38385#(<= ULTIMATE.start_main_~i~4 110), 38386#(<= ULTIMATE.start_main_~i~4 112), 38387#(<= ULTIMATE.start_main_~i~4 114), 38388#(<= ULTIMATE.start_main_~i~4 116), 38389#(<= ULTIMATE.start_main_~i~4 118), 38390#(<= ULTIMATE.start_main_~i~4 120), 38391#(<= ULTIMATE.start_main_~i~4 122), 38392#(<= ULTIMATE.start_main_~i~4 124), 38393#(<= ULTIMATE.start_main_~i~4 126), 38394#(<= ULTIMATE.start_main_~i~4 128), 38395#(<= ULTIMATE.start_main_~i~4 130), 38396#(<= ULTIMATE.start_main_~i~4 132), 38397#(<= ULTIMATE.start_main_~i~4 134), 38398#(<= ULTIMATE.start_main_~i~4 136), 38399#(<= ULTIMATE.start_main_~i~4 138)] [2018-07-23 13:38:01,523 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 13:38:01,523 INFO L450 AbstractCegarLoop]: Interpolant automaton has 122 states [2018-07-23 13:38:01,524 INFO L132 InterpolantAutomaton]: Constructing interpolant automaton starting with 122 interpolants. [2018-07-23 13:38:01,525 INFO L133 InterpolantAutomaton]: CoverageRelationStatistics Valid=7381, Invalid=7381, Unknown=0, NotChecked=0, Total=14762 [2018-07-23 13:38:01,525 INFO L87 Difference]: Start difference. First operand 123 states and 123 transitions. Second operand 122 states. [2018-07-23 13:38:01,581 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2018-07-23 13:38:01,581 INFO L93 Difference]: Finished difference Result 126 states and 126 transitions. [2018-07-23 13:38:01,581 INFO L142 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 122 states. [2018-07-23 13:38:01,581 INFO L78 Accepts]: Start accepts. Automaton has 122 states. Word has length 122 [2018-07-23 13:38:01,581 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2018-07-23 13:38:01,582 INFO L225 Difference]: With dead ends: 126 [2018-07-23 13:38:01,582 INFO L226 Difference]: Without dead ends: 124 [2018-07-23 13:38:01,583 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 13:38:01,583 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 124 states. [2018-07-23 13:38:01,585 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 124 to 124. [2018-07-23 13:38:01,585 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 124 states. [2018-07-23 13:38:01,586 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 124 states to 124 states and 124 transitions. [2018-07-23 13:38:01,586 INFO L78 Accepts]: Start accepts. Automaton has 124 states and 124 transitions. Word has length 122 [2018-07-23 13:38:01,586 INFO L84 Accepts]: Finished accepts. word is rejected. [2018-07-23 13:38:01,586 INFO L471 AbstractCegarLoop]: Abstraction has 124 states and 124 transitions. [2018-07-23 13:38:01,586 INFO L472 AbstractCegarLoop]: Interpolant automaton has 122 states. [2018-07-23 13:38:01,586 INFO L276 IsEmpty]: Start isEmpty. Operand 124 states and 124 transitions. [2018-07-23 13:38:01,587 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 124 [2018-07-23 13:38:01,587 INFO L349 BasicCegarLoop]: Found error trace [2018-07-23 13:38:01,587 INFO L357 BasicCegarLoop]: trace histogram [120, 1, 1, 1] [2018-07-23 13:38:01,587 INFO L414 AbstractCegarLoop]: === Iteration 121 === [ULTIMATE.startErr0AssertViolationASSERT]=== [2018-07-23 13:38:01,587 INFO L82 PathProgramCache]: Analyzing trace with hash 1976994241, now seen corresponding path program 120 times [2018-07-23 13:38:01,587 INFO L69 tionRefinementEngine]: Using refinement strategy FixedRefinementStrategy [2018-07-23 13:38:01,650 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-07-23 13:38:02,207 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 13:38:02,208 INFO L309 seRefinementStrategy]: Constructing automaton from 0 perfect and 1 imperfect interpolant sequences. [2018-07-23 13:38:02,208 INFO L324 seRefinementStrategy]: Number of different interpolants: perfect sequences [] imperfect sequences [122] total 122 [2018-07-23 13:38:02,208 INFO L142 lantAutomatonBuilder]: Constructing canonical interpolant automaton, with selfloop in false state [2018-07-23 13:38:02,208 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 13:38:02,208 INFO L185 omatonBuilderFactory]: Interpolants [38950#true, 38951#false, 38952#(<= ULTIMATE.start_main_~i~4 0), 38953#(<= ULTIMATE.start_main_~i~4 2), 38954#(<= ULTIMATE.start_main_~i~4 4), 38955#(<= ULTIMATE.start_main_~i~4 6), 38956#(<= ULTIMATE.start_main_~i~4 8), 38957#(<= ULTIMATE.start_main_~i~4 10), 38958#(<= ULTIMATE.start_main_~i~4 12), 38959#(<= ULTIMATE.start_main_~i~4 14), 38960#(<= ULTIMATE.start_main_~i~4 16), 38961#(<= ULTIMATE.start_main_~i~4 18), 38962#(<= ULTIMATE.start_main_~i~4 20), 38963#(<= ULTIMATE.start_main_~i~4 22), 38964#(<= ULTIMATE.start_main_~i~4 24), 38965#(<= ULTIMATE.start_main_~i~4 26), 38966#(<= ULTIMATE.start_main_~i~4 28), 38967#(<= ULTIMATE.start_main_~i~4 30), 38968#(<= ULTIMATE.start_main_~i~4 32), 38969#(<= ULTIMATE.start_main_~i~4 34), 38970#(<= ULTIMATE.start_main_~i~4 36), 38971#(<= ULTIMATE.start_main_~i~4 38), 38972#(<= ULTIMATE.start_main_~i~4 40), 38973#(<= ULTIMATE.start_main_~i~4 42), 38974#(<= ULTIMATE.start_main_~i~4 44), 38975#(<= ULTIMATE.start_main_~i~4 46), 38976#(<= ULTIMATE.start_main_~i~4 48), 38977#(<= ULTIMATE.start_main_~i~4 50), 38978#(<= ULTIMATE.start_main_~i~4 52), 38979#(<= ULTIMATE.start_main_~i~4 54), 38980#(<= ULTIMATE.start_main_~i~4 56), 38981#(<= ULTIMATE.start_main_~i~4 58), 38982#(<= ULTIMATE.start_main_~i~4 60), 38983#(<= ULTIMATE.start_main_~i~4 62), 38984#(<= ULTIMATE.start_main_~i~4 64), 38985#(<= ULTIMATE.start_main_~i~4 66), 38986#(<= ULTIMATE.start_main_~i~4 68), 38987#(<= ULTIMATE.start_main_~i~4 70), 38988#(<= ULTIMATE.start_main_~i~4 72), 38989#(<= ULTIMATE.start_main_~i~4 74), 38990#(<= ULTIMATE.start_main_~i~4 76), 38991#(<= ULTIMATE.start_main_~i~4 78), 38992#(<= ULTIMATE.start_main_~i~4 80), 38993#(<= ULTIMATE.start_main_~i~4 82), 38994#(<= ULTIMATE.start_main_~i~4 84), 38995#(<= ULTIMATE.start_main_~i~4 86), 38996#(<= ULTIMATE.start_main_~i~4 88), 38997#(<= ULTIMATE.start_main_~i~4 90), 38998#(<= ULTIMATE.start_main_~i~4 92), 38999#(<= ULTIMATE.start_main_~i~4 94), 39000#(<= ULTIMATE.start_main_~i~4 96), 39001#(<= ULTIMATE.start_main_~i~4 98), 39002#(<= ULTIMATE.start_main_~i~4 100), 39003#(<= ULTIMATE.start_main_~i~4 102), 39004#(<= ULTIMATE.start_main_~i~4 104), 39005#(<= ULTIMATE.start_main_~i~4 106), 39006#(<= ULTIMATE.start_main_~i~4 108), 39007#(<= ULTIMATE.start_main_~i~4 110), 39008#(<= ULTIMATE.start_main_~i~4 112), 39009#(<= ULTIMATE.start_main_~i~4 114), 39010#(<= ULTIMATE.start_main_~i~4 116), 39011#(<= ULTIMATE.start_main_~i~4 118), 39012#(<= ULTIMATE.start_main_~i~4 120), 39013#(<= ULTIMATE.start_main_~i~4 122), 39014#(<= ULTIMATE.start_main_~i~4 124), 39015#(<= ULTIMATE.start_main_~i~4 126), 39016#(<= ULTIMATE.start_main_~i~4 128), 39017#(<= ULTIMATE.start_main_~i~4 130), 39018#(<= ULTIMATE.start_main_~i~4 132), 39019#(<= ULTIMATE.start_main_~i~4 134), 39020#(<= ULTIMATE.start_main_~i~4 136), 39021#(<= ULTIMATE.start_main_~i~4 138), 39022#(<= ULTIMATE.start_main_~i~4 140), 39023#(<= ULTIMATE.start_main_~i~4 142), 39024#(<= ULTIMATE.start_main_~i~4 144), 39025#(<= ULTIMATE.start_main_~i~4 146), 39026#(<= ULTIMATE.start_main_~i~4 148), 39027#(<= ULTIMATE.start_main_~i~4 150), 39028#(<= ULTIMATE.start_main_~i~4 152), 39029#(<= ULTIMATE.start_main_~i~4 154), 39030#(<= ULTIMATE.start_main_~i~4 156), 39031#(<= ULTIMATE.start_main_~i~4 158), 39032#(<= ULTIMATE.start_main_~i~4 160), 39033#(<= ULTIMATE.start_main_~i~4 162), 39034#(<= ULTIMATE.start_main_~i~4 164), 39035#(<= ULTIMATE.start_main_~i~4 166), 39036#(<= ULTIMATE.start_main_~i~4 168), 39037#(<= ULTIMATE.start_main_~i~4 170), 39038#(<= ULTIMATE.start_main_~i~4 172), 39039#(<= ULTIMATE.start_main_~i~4 174), 39040#(<= ULTIMATE.start_main_~i~4 176), 39041#(<= ULTIMATE.start_main_~i~4 178), 39042#(<= ULTIMATE.start_main_~i~4 180), 39043#(<= ULTIMATE.start_main_~i~4 182), 39044#(<= ULTIMATE.start_main_~i~4 184), 39045#(<= ULTIMATE.start_main_~i~4 186), 39046#(<= ULTIMATE.start_main_~i~4 188), 39047#(<= ULTIMATE.start_main_~i~4 190), 39048#(<= ULTIMATE.start_main_~i~4 192), 39049#(<= ULTIMATE.start_main_~i~4 194), 39050#(<= ULTIMATE.start_main_~i~4 196), 39051#(<= ULTIMATE.start_main_~i~4 198), 39052#(<= ULTIMATE.start_main_~i~4 200), 39053#(<= ULTIMATE.start_main_~i~4 202), 39054#(<= ULTIMATE.start_main_~i~4 204), 39055#(<= ULTIMATE.start_main_~i~4 206), 39056#(<= ULTIMATE.start_main_~i~4 208), 39057#(<= ULTIMATE.start_main_~i~4 210), 39058#(<= ULTIMATE.start_main_~i~4 212), 39059#(<= ULTIMATE.start_main_~i~4 214), 39060#(<= ULTIMATE.start_main_~i~4 216), 39061#(<= ULTIMATE.start_main_~i~4 218), 39062#(<= ULTIMATE.start_main_~i~4 220), 39063#(<= ULTIMATE.start_main_~i~4 222), 39064#(<= ULTIMATE.start_main_~i~4 224), 39065#(<= ULTIMATE.start_main_~i~4 226), 39066#(<= ULTIMATE.start_main_~i~4 228), 39067#(<= ULTIMATE.start_main_~i~4 230), 39068#(<= ULTIMATE.start_main_~i~4 232), 39069#(<= ULTIMATE.start_main_~i~4 234), 39070#(<= ULTIMATE.start_main_~i~4 236), 39071#(<= ULTIMATE.start_main_~i~4 238), 39072#(<= ULTIMATE.start_main_~i~4 240)] [2018-07-23 13:38:02,209 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 13:38:02,209 INFO L450 AbstractCegarLoop]: Interpolant automaton has 123 states [2018-07-23 13:38:02,210 INFO L132 InterpolantAutomaton]: Constructing interpolant automaton starting with 123 interpolants. [2018-07-23 13:38:02,210 INFO L133 InterpolantAutomaton]: CoverageRelationStatistics Valid=7503, Invalid=7503, Unknown=0, NotChecked=0, Total=15006 [2018-07-23 13:38:02,210 INFO L87 Difference]: Start difference. First operand 124 states and 124 transitions. Second operand 123 states. [2018-07-23 13:38:02,350 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2018-07-23 13:38:02,350 INFO L93 Difference]: Finished difference Result 127 states and 127 transitions. [2018-07-23 13:38:02,350 INFO L142 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 123 states. [2018-07-23 13:38:02,350 INFO L78 Accepts]: Start accepts. Automaton has 123 states. Word has length 123 [2018-07-23 13:38:02,351 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2018-07-23 13:38:02,351 INFO L225 Difference]: With dead ends: 127 [2018-07-23 13:38:02,351 INFO L226 Difference]: Without dead ends: 125 [2018-07-23 13:38:02,352 INFO L575 BasicCegarLoop]: 0 DeclaredPredicates, 122 GetRequests, 1 SyntacticMatches, 0 SemanticMatches, 121 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 0 ImplicationChecksByTransitivity, 0.5s TimeCoverageRelationStatistics Valid=7503, Invalid=7503, Unknown=0, NotChecked=0, Total=15006 [2018-07-23 13:38:02,352 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 125 states. [2018-07-23 13:38:02,354 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 125 to 125. [2018-07-23 13:38:02,354 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 125 states. [2018-07-23 13:38:02,354 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 125 states to 125 states and 125 transitions. [2018-07-23 13:38:02,355 INFO L78 Accepts]: Start accepts. Automaton has 125 states and 125 transitions. Word has length 123 [2018-07-23 13:38:02,355 INFO L84 Accepts]: Finished accepts. word is rejected. [2018-07-23 13:38:02,355 INFO L471 AbstractCegarLoop]: Abstraction has 125 states and 125 transitions. [2018-07-23 13:38:02,355 INFO L472 AbstractCegarLoop]: Interpolant automaton has 123 states. [2018-07-23 13:38:02,355 INFO L276 IsEmpty]: Start isEmpty. Operand 125 states and 125 transitions. [2018-07-23 13:38:02,356 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 125 [2018-07-23 13:38:02,356 INFO L349 BasicCegarLoop]: Found error trace [2018-07-23 13:38:02,356 INFO L357 BasicCegarLoop]: trace histogram [121, 1, 1, 1] [2018-07-23 13:38:02,356 INFO L414 AbstractCegarLoop]: === Iteration 122 === [ULTIMATE.startErr0AssertViolationASSERT]=== [2018-07-23 13:38:02,356 INFO L82 PathProgramCache]: Analyzing trace with hash 1157277352, now seen corresponding path program 121 times [2018-07-23 13:38:02,356 INFO L69 tionRefinementEngine]: Using refinement strategy FixedRefinementStrategy [2018-07-23 13:38:02,395 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-07-23 13:38:02,728 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 13:38:02,728 INFO L309 seRefinementStrategy]: Constructing automaton from 0 perfect and 1 imperfect interpolant sequences. [2018-07-23 13:38:02,728 INFO L324 seRefinementStrategy]: Number of different interpolants: perfect sequences [] imperfect sequences [123] total 123 [2018-07-23 13:38:02,728 INFO L142 lantAutomatonBuilder]: Constructing canonical interpolant automaton, with selfloop in false state [2018-07-23 13:38:02,728 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 13:38:02,729 INFO L185 omatonBuilderFactory]: Interpolants [39680#(<= ULTIMATE.start_main_~i~4 202), 39681#(<= ULTIMATE.start_main_~i~4 204), 39682#(<= ULTIMATE.start_main_~i~4 206), 39683#(<= ULTIMATE.start_main_~i~4 208), 39684#(<= ULTIMATE.start_main_~i~4 210), 39685#(<= ULTIMATE.start_main_~i~4 212), 39686#(<= ULTIMATE.start_main_~i~4 214), 39687#(<= ULTIMATE.start_main_~i~4 216), 39688#(<= ULTIMATE.start_main_~i~4 218), 39689#(<= ULTIMATE.start_main_~i~4 220), 39690#(<= ULTIMATE.start_main_~i~4 222), 39691#(<= ULTIMATE.start_main_~i~4 224), 39692#(<= ULTIMATE.start_main_~i~4 226), 39693#(<= ULTIMATE.start_main_~i~4 228), 39694#(<= ULTIMATE.start_main_~i~4 230), 39695#(<= ULTIMATE.start_main_~i~4 232), 39696#(<= ULTIMATE.start_main_~i~4 234), 39697#(<= ULTIMATE.start_main_~i~4 236), 39698#(<= ULTIMATE.start_main_~i~4 238), 39699#(<= ULTIMATE.start_main_~i~4 240), 39700#(<= ULTIMATE.start_main_~i~4 242), 39577#true, 39578#false, 39579#(<= ULTIMATE.start_main_~i~4 0), 39580#(<= ULTIMATE.start_main_~i~4 2), 39581#(<= ULTIMATE.start_main_~i~4 4), 39582#(<= ULTIMATE.start_main_~i~4 6), 39583#(<= ULTIMATE.start_main_~i~4 8), 39584#(<= ULTIMATE.start_main_~i~4 10), 39585#(<= ULTIMATE.start_main_~i~4 12), 39586#(<= ULTIMATE.start_main_~i~4 14), 39587#(<= ULTIMATE.start_main_~i~4 16), 39588#(<= ULTIMATE.start_main_~i~4 18), 39589#(<= ULTIMATE.start_main_~i~4 20), 39590#(<= ULTIMATE.start_main_~i~4 22), 39591#(<= ULTIMATE.start_main_~i~4 24), 39592#(<= ULTIMATE.start_main_~i~4 26), 39593#(<= ULTIMATE.start_main_~i~4 28), 39594#(<= ULTIMATE.start_main_~i~4 30), 39595#(<= ULTIMATE.start_main_~i~4 32), 39596#(<= ULTIMATE.start_main_~i~4 34), 39597#(<= ULTIMATE.start_main_~i~4 36), 39598#(<= ULTIMATE.start_main_~i~4 38), 39599#(<= ULTIMATE.start_main_~i~4 40), 39600#(<= ULTIMATE.start_main_~i~4 42), 39601#(<= ULTIMATE.start_main_~i~4 44), 39602#(<= ULTIMATE.start_main_~i~4 46), 39603#(<= ULTIMATE.start_main_~i~4 48), 39604#(<= ULTIMATE.start_main_~i~4 50), 39605#(<= ULTIMATE.start_main_~i~4 52), 39606#(<= ULTIMATE.start_main_~i~4 54), 39607#(<= ULTIMATE.start_main_~i~4 56), 39608#(<= ULTIMATE.start_main_~i~4 58), 39609#(<= ULTIMATE.start_main_~i~4 60), 39610#(<= ULTIMATE.start_main_~i~4 62), 39611#(<= ULTIMATE.start_main_~i~4 64), 39612#(<= ULTIMATE.start_main_~i~4 66), 39613#(<= ULTIMATE.start_main_~i~4 68), 39614#(<= ULTIMATE.start_main_~i~4 70), 39615#(<= ULTIMATE.start_main_~i~4 72), 39616#(<= ULTIMATE.start_main_~i~4 74), 39617#(<= ULTIMATE.start_main_~i~4 76), 39618#(<= ULTIMATE.start_main_~i~4 78), 39619#(<= ULTIMATE.start_main_~i~4 80), 39620#(<= ULTIMATE.start_main_~i~4 82), 39621#(<= ULTIMATE.start_main_~i~4 84), 39622#(<= ULTIMATE.start_main_~i~4 86), 39623#(<= ULTIMATE.start_main_~i~4 88), 39624#(<= ULTIMATE.start_main_~i~4 90), 39625#(<= ULTIMATE.start_main_~i~4 92), 39626#(<= ULTIMATE.start_main_~i~4 94), 39627#(<= ULTIMATE.start_main_~i~4 96), 39628#(<= ULTIMATE.start_main_~i~4 98), 39629#(<= ULTIMATE.start_main_~i~4 100), 39630#(<= ULTIMATE.start_main_~i~4 102), 39631#(<= ULTIMATE.start_main_~i~4 104), 39632#(<= ULTIMATE.start_main_~i~4 106), 39633#(<= ULTIMATE.start_main_~i~4 108), 39634#(<= ULTIMATE.start_main_~i~4 110), 39635#(<= ULTIMATE.start_main_~i~4 112), 39636#(<= ULTIMATE.start_main_~i~4 114), 39637#(<= ULTIMATE.start_main_~i~4 116), 39638#(<= ULTIMATE.start_main_~i~4 118), 39639#(<= ULTIMATE.start_main_~i~4 120), 39640#(<= ULTIMATE.start_main_~i~4 122), 39641#(<= ULTIMATE.start_main_~i~4 124), 39642#(<= ULTIMATE.start_main_~i~4 126), 39643#(<= ULTIMATE.start_main_~i~4 128), 39644#(<= ULTIMATE.start_main_~i~4 130), 39645#(<= ULTIMATE.start_main_~i~4 132), 39646#(<= ULTIMATE.start_main_~i~4 134), 39647#(<= ULTIMATE.start_main_~i~4 136), 39648#(<= ULTIMATE.start_main_~i~4 138), 39649#(<= ULTIMATE.start_main_~i~4 140), 39650#(<= ULTIMATE.start_main_~i~4 142), 39651#(<= ULTIMATE.start_main_~i~4 144), 39652#(<= ULTIMATE.start_main_~i~4 146), 39653#(<= ULTIMATE.start_main_~i~4 148), 39654#(<= ULTIMATE.start_main_~i~4 150), 39655#(<= ULTIMATE.start_main_~i~4 152), 39656#(<= ULTIMATE.start_main_~i~4 154), 39657#(<= ULTIMATE.start_main_~i~4 156), 39658#(<= ULTIMATE.start_main_~i~4 158), 39659#(<= ULTIMATE.start_main_~i~4 160), 39660#(<= ULTIMATE.start_main_~i~4 162), 39661#(<= ULTIMATE.start_main_~i~4 164), 39662#(<= ULTIMATE.start_main_~i~4 166), 39663#(<= ULTIMATE.start_main_~i~4 168), 39664#(<= ULTIMATE.start_main_~i~4 170), 39665#(<= ULTIMATE.start_main_~i~4 172), 39666#(<= ULTIMATE.start_main_~i~4 174), 39667#(<= ULTIMATE.start_main_~i~4 176), 39668#(<= ULTIMATE.start_main_~i~4 178), 39669#(<= ULTIMATE.start_main_~i~4 180), 39670#(<= ULTIMATE.start_main_~i~4 182), 39671#(<= ULTIMATE.start_main_~i~4 184), 39672#(<= ULTIMATE.start_main_~i~4 186), 39673#(<= ULTIMATE.start_main_~i~4 188), 39674#(<= ULTIMATE.start_main_~i~4 190), 39675#(<= ULTIMATE.start_main_~i~4 192), 39676#(<= ULTIMATE.start_main_~i~4 194), 39677#(<= ULTIMATE.start_main_~i~4 196), 39678#(<= ULTIMATE.start_main_~i~4 198), 39679#(<= ULTIMATE.start_main_~i~4 200)] [2018-07-23 13:38:02,729 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 13:38:02,729 INFO L450 AbstractCegarLoop]: Interpolant automaton has 124 states [2018-07-23 13:38:02,730 INFO L132 InterpolantAutomaton]: Constructing interpolant automaton starting with 124 interpolants. [2018-07-23 13:38:02,731 INFO L133 InterpolantAutomaton]: CoverageRelationStatistics Valid=7626, Invalid=7626, Unknown=0, NotChecked=0, Total=15252 [2018-07-23 13:38:02,731 INFO L87 Difference]: Start difference. First operand 125 states and 125 transitions. Second operand 124 states. [2018-07-23 13:38:02,837 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2018-07-23 13:38:02,837 INFO L93 Difference]: Finished difference Result 128 states and 128 transitions. [2018-07-23 13:38:02,838 INFO L142 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 124 states. [2018-07-23 13:38:02,838 INFO L78 Accepts]: Start accepts. Automaton has 124 states. Word has length 124 [2018-07-23 13:38:02,838 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2018-07-23 13:38:02,838 INFO L225 Difference]: With dead ends: 128 [2018-07-23 13:38:02,838 INFO L226 Difference]: Without dead ends: 126 [2018-07-23 13:38:02,839 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 13:38:02,839 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 126 states. [2018-07-23 13:38:02,842 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 126 to 126. [2018-07-23 13:38:02,842 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 126 states. [2018-07-23 13:38:02,842 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 126 states to 126 states and 126 transitions. [2018-07-23 13:38:02,842 INFO L78 Accepts]: Start accepts. Automaton has 126 states and 126 transitions. Word has length 124 [2018-07-23 13:38:02,843 INFO L84 Accepts]: Finished accepts. word is rejected. [2018-07-23 13:38:02,843 INFO L471 AbstractCegarLoop]: Abstraction has 126 states and 126 transitions. [2018-07-23 13:38:02,843 INFO L472 AbstractCegarLoop]: Interpolant automaton has 124 states. [2018-07-23 13:38:02,843 INFO L276 IsEmpty]: Start isEmpty. Operand 126 states and 126 transitions. [2018-07-23 13:38:02,843 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 126 [2018-07-23 13:38:02,843 INFO L349 BasicCegarLoop]: Found error trace [2018-07-23 13:38:02,844 INFO L357 BasicCegarLoop]: trace histogram [122, 1, 1, 1] [2018-07-23 13:38:02,844 INFO L414 AbstractCegarLoop]: === Iteration 123 === [ULTIMATE.startErr0AssertViolationASSERT]=== [2018-07-23 13:38:02,844 INFO L82 PathProgramCache]: Analyzing trace with hash 1515857569, now seen corresponding path program 122 times [2018-07-23 13:38:02,844 INFO L69 tionRefinementEngine]: Using refinement strategy FixedRefinementStrategy [2018-07-23 13:38:02,900 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-07-23 13:38:03,206 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 13:38:03,206 INFO L309 seRefinementStrategy]: Constructing automaton from 0 perfect and 1 imperfect interpolant sequences. [2018-07-23 13:38:03,206 INFO L324 seRefinementStrategy]: Number of different interpolants: perfect sequences [] imperfect sequences [124] total 124 [2018-07-23 13:38:03,207 INFO L142 lantAutomatonBuilder]: Constructing canonical interpolant automaton, with selfloop in false state [2018-07-23 13:38:03,207 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2018-07-23 13:38:03,207 INFO L185 omatonBuilderFactory]: Interpolants [40209#true, 40210#false, 40211#(<= ULTIMATE.start_main_~i~4 0), 40212#(<= ULTIMATE.start_main_~i~4 2), 40213#(<= ULTIMATE.start_main_~i~4 4), 40214#(<= ULTIMATE.start_main_~i~4 6), 40215#(<= ULTIMATE.start_main_~i~4 8), 40216#(<= ULTIMATE.start_main_~i~4 10), 40217#(<= ULTIMATE.start_main_~i~4 12), 40218#(<= ULTIMATE.start_main_~i~4 14), 40219#(<= ULTIMATE.start_main_~i~4 16), 40220#(<= ULTIMATE.start_main_~i~4 18), 40221#(<= ULTIMATE.start_main_~i~4 20), 40222#(<= ULTIMATE.start_main_~i~4 22), 40223#(<= ULTIMATE.start_main_~i~4 24), 40224#(<= ULTIMATE.start_main_~i~4 26), 40225#(<= ULTIMATE.start_main_~i~4 28), 40226#(<= ULTIMATE.start_main_~i~4 30), 40227#(<= ULTIMATE.start_main_~i~4 32), 40228#(<= ULTIMATE.start_main_~i~4 34), 40229#(<= ULTIMATE.start_main_~i~4 36), 40230#(<= ULTIMATE.start_main_~i~4 38), 40231#(<= ULTIMATE.start_main_~i~4 40), 40232#(<= ULTIMATE.start_main_~i~4 42), 40233#(<= ULTIMATE.start_main_~i~4 44), 40234#(<= ULTIMATE.start_main_~i~4 46), 40235#(<= ULTIMATE.start_main_~i~4 48), 40236#(<= ULTIMATE.start_main_~i~4 50), 40237#(<= ULTIMATE.start_main_~i~4 52), 40238#(<= ULTIMATE.start_main_~i~4 54), 40239#(<= ULTIMATE.start_main_~i~4 56), 40240#(<= ULTIMATE.start_main_~i~4 58), 40241#(<= ULTIMATE.start_main_~i~4 60), 40242#(<= ULTIMATE.start_main_~i~4 62), 40243#(<= ULTIMATE.start_main_~i~4 64), 40244#(<= ULTIMATE.start_main_~i~4 66), 40245#(<= ULTIMATE.start_main_~i~4 68), 40246#(<= ULTIMATE.start_main_~i~4 70), 40247#(<= ULTIMATE.start_main_~i~4 72), 40248#(<= ULTIMATE.start_main_~i~4 74), 40249#(<= ULTIMATE.start_main_~i~4 76), 40250#(<= ULTIMATE.start_main_~i~4 78), 40251#(<= ULTIMATE.start_main_~i~4 80), 40252#(<= ULTIMATE.start_main_~i~4 82), 40253#(<= ULTIMATE.start_main_~i~4 84), 40254#(<= ULTIMATE.start_main_~i~4 86), 40255#(<= ULTIMATE.start_main_~i~4 88), 40256#(<= ULTIMATE.start_main_~i~4 90), 40257#(<= ULTIMATE.start_main_~i~4 92), 40258#(<= ULTIMATE.start_main_~i~4 94), 40259#(<= ULTIMATE.start_main_~i~4 96), 40260#(<= ULTIMATE.start_main_~i~4 98), 40261#(<= ULTIMATE.start_main_~i~4 100), 40262#(<= ULTIMATE.start_main_~i~4 102), 40263#(<= ULTIMATE.start_main_~i~4 104), 40264#(<= ULTIMATE.start_main_~i~4 106), 40265#(<= ULTIMATE.start_main_~i~4 108), 40266#(<= ULTIMATE.start_main_~i~4 110), 40267#(<= ULTIMATE.start_main_~i~4 112), 40268#(<= ULTIMATE.start_main_~i~4 114), 40269#(<= ULTIMATE.start_main_~i~4 116), 40270#(<= ULTIMATE.start_main_~i~4 118), 40271#(<= ULTIMATE.start_main_~i~4 120), 40272#(<= ULTIMATE.start_main_~i~4 122), 40273#(<= ULTIMATE.start_main_~i~4 124), 40274#(<= ULTIMATE.start_main_~i~4 126), 40275#(<= ULTIMATE.start_main_~i~4 128), 40276#(<= ULTIMATE.start_main_~i~4 130), 40277#(<= ULTIMATE.start_main_~i~4 132), 40278#(<= ULTIMATE.start_main_~i~4 134), 40279#(<= ULTIMATE.start_main_~i~4 136), 40280#(<= ULTIMATE.start_main_~i~4 138), 40281#(<= ULTIMATE.start_main_~i~4 140), 40282#(<= ULTIMATE.start_main_~i~4 142), 40283#(<= ULTIMATE.start_main_~i~4 144), 40284#(<= ULTIMATE.start_main_~i~4 146), 40285#(<= ULTIMATE.start_main_~i~4 148), 40286#(<= ULTIMATE.start_main_~i~4 150), 40287#(<= ULTIMATE.start_main_~i~4 152), 40288#(<= ULTIMATE.start_main_~i~4 154), 40289#(<= ULTIMATE.start_main_~i~4 156), 40290#(<= ULTIMATE.start_main_~i~4 158), 40291#(<= ULTIMATE.start_main_~i~4 160), 40292#(<= ULTIMATE.start_main_~i~4 162), 40293#(<= ULTIMATE.start_main_~i~4 164), 40294#(<= ULTIMATE.start_main_~i~4 166), 40295#(<= ULTIMATE.start_main_~i~4 168), 40296#(<= ULTIMATE.start_main_~i~4 170), 40297#(<= ULTIMATE.start_main_~i~4 172), 40298#(<= ULTIMATE.start_main_~i~4 174), 40299#(<= ULTIMATE.start_main_~i~4 176), 40300#(<= ULTIMATE.start_main_~i~4 178), 40301#(<= ULTIMATE.start_main_~i~4 180), 40302#(<= ULTIMATE.start_main_~i~4 182), 40303#(<= ULTIMATE.start_main_~i~4 184), 40304#(<= ULTIMATE.start_main_~i~4 186), 40305#(<= ULTIMATE.start_main_~i~4 188), 40306#(<= ULTIMATE.start_main_~i~4 190), 40307#(<= ULTIMATE.start_main_~i~4 192), 40308#(<= ULTIMATE.start_main_~i~4 194), 40309#(<= ULTIMATE.start_main_~i~4 196), 40310#(<= ULTIMATE.start_main_~i~4 198), 40311#(<= ULTIMATE.start_main_~i~4 200), 40312#(<= ULTIMATE.start_main_~i~4 202), 40313#(<= ULTIMATE.start_main_~i~4 204), 40314#(<= ULTIMATE.start_main_~i~4 206), 40315#(<= ULTIMATE.start_main_~i~4 208), 40316#(<= ULTIMATE.start_main_~i~4 210), 40317#(<= ULTIMATE.start_main_~i~4 212), 40318#(<= ULTIMATE.start_main_~i~4 214), 40319#(<= ULTIMATE.start_main_~i~4 216), 40320#(<= ULTIMATE.start_main_~i~4 218), 40321#(<= ULTIMATE.start_main_~i~4 220), 40322#(<= ULTIMATE.start_main_~i~4 222), 40323#(<= ULTIMATE.start_main_~i~4 224), 40324#(<= ULTIMATE.start_main_~i~4 226), 40325#(<= ULTIMATE.start_main_~i~4 228), 40326#(<= ULTIMATE.start_main_~i~4 230), 40327#(<= ULTIMATE.start_main_~i~4 232), 40328#(<= ULTIMATE.start_main_~i~4 234), 40329#(<= ULTIMATE.start_main_~i~4 236), 40330#(<= ULTIMATE.start_main_~i~4 238), 40331#(<= ULTIMATE.start_main_~i~4 240), 40332#(<= ULTIMATE.start_main_~i~4 242), 40333#(<= ULTIMATE.start_main_~i~4 244)] [2018-07-23 13:38:03,207 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 13:38:03,208 INFO L450 AbstractCegarLoop]: Interpolant automaton has 125 states [2018-07-23 13:38:03,208 INFO L132 InterpolantAutomaton]: Constructing interpolant automaton starting with 125 interpolants. [2018-07-23 13:38:03,209 INFO L133 InterpolantAutomaton]: CoverageRelationStatistics Valid=7750, Invalid=7750, Unknown=0, NotChecked=0, Total=15500 [2018-07-23 13:38:03,209 INFO L87 Difference]: Start difference. First operand 126 states and 126 transitions. Second operand 125 states. [2018-07-23 13:38:03,368 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2018-07-23 13:38:03,369 INFO L93 Difference]: Finished difference Result 129 states and 129 transitions. [2018-07-23 13:38:03,369 INFO L142 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 125 states. [2018-07-23 13:38:03,369 INFO L78 Accepts]: Start accepts. Automaton has 125 states. Word has length 125 [2018-07-23 13:38:03,369 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2018-07-23 13:38:03,369 INFO L225 Difference]: With dead ends: 129 [2018-07-23 13:38:03,369 INFO L226 Difference]: Without dead ends: 127 [2018-07-23 13:38:03,370 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 13:38:03,370 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 127 states. [2018-07-23 13:38:03,372 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 127 to 127. [2018-07-23 13:38:03,372 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 127 states. [2018-07-23 13:38:03,372 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 127 states to 127 states and 127 transitions. [2018-07-23 13:38:03,372 INFO L78 Accepts]: Start accepts. Automaton has 127 states and 127 transitions. Word has length 125 [2018-07-23 13:38:03,372 INFO L84 Accepts]: Finished accepts. word is rejected. [2018-07-23 13:38:03,372 INFO L471 AbstractCegarLoop]: Abstraction has 127 states and 127 transitions. [2018-07-23 13:38:03,372 INFO L472 AbstractCegarLoop]: Interpolant automaton has 125 states. [2018-07-23 13:38:03,373 INFO L276 IsEmpty]: Start isEmpty. Operand 127 states and 127 transitions. [2018-07-23 13:38:03,373 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 127 [2018-07-23 13:38:03,373 INFO L349 BasicCegarLoop]: Found error trace [2018-07-23 13:38:03,373 INFO L357 BasicCegarLoop]: trace histogram [123, 1, 1, 1] [2018-07-23 13:38:03,373 INFO L414 AbstractCegarLoop]: === Iteration 124 === [ULTIMATE.startErr0AssertViolationASSERT]=== [2018-07-23 13:38:03,373 INFO L82 PathProgramCache]: Analyzing trace with hash -253057592, now seen corresponding path program 123 times [2018-07-23 13:38:03,373 INFO L69 tionRefinementEngine]: Using refinement strategy FixedRefinementStrategy [2018-07-23 13:38:03,413 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-07-23 13:38:03,732 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 13:38:03,733 INFO L309 seRefinementStrategy]: Constructing automaton from 0 perfect and 1 imperfect interpolant sequences. [2018-07-23 13:38:03,733 INFO L324 seRefinementStrategy]: Number of different interpolants: perfect sequences [] imperfect sequences [125] total 125 [2018-07-23 13:38:03,733 INFO L142 lantAutomatonBuilder]: Constructing canonical interpolant automaton, with selfloop in false state [2018-07-23 13:38:03,733 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 13:38:03,733 INFO L185 omatonBuilderFactory]: Interpolants [40960#(<= ULTIMATE.start_main_~i~4 224), 40961#(<= ULTIMATE.start_main_~i~4 226), 40962#(<= ULTIMATE.start_main_~i~4 228), 40963#(<= ULTIMATE.start_main_~i~4 230), 40964#(<= ULTIMATE.start_main_~i~4 232), 40965#(<= ULTIMATE.start_main_~i~4 234), 40966#(<= ULTIMATE.start_main_~i~4 236), 40967#(<= ULTIMATE.start_main_~i~4 238), 40968#(<= ULTIMATE.start_main_~i~4 240), 40969#(<= ULTIMATE.start_main_~i~4 242), 40970#(<= ULTIMATE.start_main_~i~4 244), 40971#(<= ULTIMATE.start_main_~i~4 246), 40846#true, 40847#false, 40848#(<= ULTIMATE.start_main_~i~4 0), 40849#(<= ULTIMATE.start_main_~i~4 2), 40850#(<= ULTIMATE.start_main_~i~4 4), 40851#(<= ULTIMATE.start_main_~i~4 6), 40852#(<= ULTIMATE.start_main_~i~4 8), 40853#(<= ULTIMATE.start_main_~i~4 10), 40854#(<= ULTIMATE.start_main_~i~4 12), 40855#(<= ULTIMATE.start_main_~i~4 14), 40856#(<= ULTIMATE.start_main_~i~4 16), 40857#(<= ULTIMATE.start_main_~i~4 18), 40858#(<= ULTIMATE.start_main_~i~4 20), 40859#(<= ULTIMATE.start_main_~i~4 22), 40860#(<= ULTIMATE.start_main_~i~4 24), 40861#(<= ULTIMATE.start_main_~i~4 26), 40862#(<= ULTIMATE.start_main_~i~4 28), 40863#(<= ULTIMATE.start_main_~i~4 30), 40864#(<= ULTIMATE.start_main_~i~4 32), 40865#(<= ULTIMATE.start_main_~i~4 34), 40866#(<= ULTIMATE.start_main_~i~4 36), 40867#(<= ULTIMATE.start_main_~i~4 38), 40868#(<= ULTIMATE.start_main_~i~4 40), 40869#(<= ULTIMATE.start_main_~i~4 42), 40870#(<= ULTIMATE.start_main_~i~4 44), 40871#(<= ULTIMATE.start_main_~i~4 46), 40872#(<= ULTIMATE.start_main_~i~4 48), 40873#(<= ULTIMATE.start_main_~i~4 50), 40874#(<= ULTIMATE.start_main_~i~4 52), 40875#(<= ULTIMATE.start_main_~i~4 54), 40876#(<= ULTIMATE.start_main_~i~4 56), 40877#(<= ULTIMATE.start_main_~i~4 58), 40878#(<= ULTIMATE.start_main_~i~4 60), 40879#(<= ULTIMATE.start_main_~i~4 62), 40880#(<= ULTIMATE.start_main_~i~4 64), 40881#(<= ULTIMATE.start_main_~i~4 66), 40882#(<= ULTIMATE.start_main_~i~4 68), 40883#(<= ULTIMATE.start_main_~i~4 70), 40884#(<= ULTIMATE.start_main_~i~4 72), 40885#(<= ULTIMATE.start_main_~i~4 74), 40886#(<= ULTIMATE.start_main_~i~4 76), 40887#(<= ULTIMATE.start_main_~i~4 78), 40888#(<= ULTIMATE.start_main_~i~4 80), 40889#(<= ULTIMATE.start_main_~i~4 82), 40890#(<= ULTIMATE.start_main_~i~4 84), 40891#(<= ULTIMATE.start_main_~i~4 86), 40892#(<= ULTIMATE.start_main_~i~4 88), 40893#(<= ULTIMATE.start_main_~i~4 90), 40894#(<= ULTIMATE.start_main_~i~4 92), 40895#(<= ULTIMATE.start_main_~i~4 94), 40896#(<= ULTIMATE.start_main_~i~4 96), 40897#(<= ULTIMATE.start_main_~i~4 98), 40898#(<= ULTIMATE.start_main_~i~4 100), 40899#(<= ULTIMATE.start_main_~i~4 102), 40900#(<= ULTIMATE.start_main_~i~4 104), 40901#(<= ULTIMATE.start_main_~i~4 106), 40902#(<= ULTIMATE.start_main_~i~4 108), 40903#(<= ULTIMATE.start_main_~i~4 110), 40904#(<= ULTIMATE.start_main_~i~4 112), 40905#(<= ULTIMATE.start_main_~i~4 114), 40906#(<= ULTIMATE.start_main_~i~4 116), 40907#(<= ULTIMATE.start_main_~i~4 118), 40908#(<= ULTIMATE.start_main_~i~4 120), 40909#(<= ULTIMATE.start_main_~i~4 122), 40910#(<= ULTIMATE.start_main_~i~4 124), 40911#(<= ULTIMATE.start_main_~i~4 126), 40912#(<= ULTIMATE.start_main_~i~4 128), 40913#(<= ULTIMATE.start_main_~i~4 130), 40914#(<= ULTIMATE.start_main_~i~4 132), 40915#(<= ULTIMATE.start_main_~i~4 134), 40916#(<= ULTIMATE.start_main_~i~4 136), 40917#(<= ULTIMATE.start_main_~i~4 138), 40918#(<= ULTIMATE.start_main_~i~4 140), 40919#(<= ULTIMATE.start_main_~i~4 142), 40920#(<= ULTIMATE.start_main_~i~4 144), 40921#(<= ULTIMATE.start_main_~i~4 146), 40922#(<= ULTIMATE.start_main_~i~4 148), 40923#(<= ULTIMATE.start_main_~i~4 150), 40924#(<= ULTIMATE.start_main_~i~4 152), 40925#(<= ULTIMATE.start_main_~i~4 154), 40926#(<= ULTIMATE.start_main_~i~4 156), 40927#(<= ULTIMATE.start_main_~i~4 158), 40928#(<= ULTIMATE.start_main_~i~4 160), 40929#(<= ULTIMATE.start_main_~i~4 162), 40930#(<= ULTIMATE.start_main_~i~4 164), 40931#(<= ULTIMATE.start_main_~i~4 166), 40932#(<= ULTIMATE.start_main_~i~4 168), 40933#(<= ULTIMATE.start_main_~i~4 170), 40934#(<= ULTIMATE.start_main_~i~4 172), 40935#(<= ULTIMATE.start_main_~i~4 174), 40936#(<= ULTIMATE.start_main_~i~4 176), 40937#(<= ULTIMATE.start_main_~i~4 178), 40938#(<= ULTIMATE.start_main_~i~4 180), 40939#(<= ULTIMATE.start_main_~i~4 182), 40940#(<= ULTIMATE.start_main_~i~4 184), 40941#(<= ULTIMATE.start_main_~i~4 186), 40942#(<= ULTIMATE.start_main_~i~4 188), 40943#(<= ULTIMATE.start_main_~i~4 190), 40944#(<= ULTIMATE.start_main_~i~4 192), 40945#(<= ULTIMATE.start_main_~i~4 194), 40946#(<= ULTIMATE.start_main_~i~4 196), 40947#(<= ULTIMATE.start_main_~i~4 198), 40948#(<= ULTIMATE.start_main_~i~4 200), 40949#(<= ULTIMATE.start_main_~i~4 202), 40950#(<= ULTIMATE.start_main_~i~4 204), 40951#(<= ULTIMATE.start_main_~i~4 206), 40952#(<= ULTIMATE.start_main_~i~4 208), 40953#(<= ULTIMATE.start_main_~i~4 210), 40954#(<= ULTIMATE.start_main_~i~4 212), 40955#(<= ULTIMATE.start_main_~i~4 214), 40956#(<= ULTIMATE.start_main_~i~4 216), 40957#(<= ULTIMATE.start_main_~i~4 218), 40958#(<= ULTIMATE.start_main_~i~4 220), 40959#(<= ULTIMATE.start_main_~i~4 222)] [2018-07-23 13:38:03,734 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 13:38:03,734 INFO L450 AbstractCegarLoop]: Interpolant automaton has 126 states [2018-07-23 13:38:03,735 INFO L132 InterpolantAutomaton]: Constructing interpolant automaton starting with 126 interpolants. [2018-07-23 13:38:03,735 INFO L133 InterpolantAutomaton]: CoverageRelationStatistics Valid=7875, Invalid=7875, Unknown=0, NotChecked=0, Total=15750 [2018-07-23 13:38:03,735 INFO L87 Difference]: Start difference. First operand 127 states and 127 transitions. Second operand 126 states. [2018-07-23 13:38:03,856 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2018-07-23 13:38:03,857 INFO L93 Difference]: Finished difference Result 130 states and 130 transitions. [2018-07-23 13:38:03,857 INFO L142 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 126 states. [2018-07-23 13:38:03,857 INFO L78 Accepts]: Start accepts. Automaton has 126 states. Word has length 126 [2018-07-23 13:38:03,857 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2018-07-23 13:38:03,857 INFO L225 Difference]: With dead ends: 130 [2018-07-23 13:38:03,857 INFO L226 Difference]: Without dead ends: 128 [2018-07-23 13:38:03,858 INFO L575 BasicCegarLoop]: 0 DeclaredPredicates, 125 GetRequests, 1 SyntacticMatches, 0 SemanticMatches, 124 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 0 ImplicationChecksByTransitivity, 0.2s TimeCoverageRelationStatistics Valid=7875, Invalid=7875, Unknown=0, NotChecked=0, Total=15750 [2018-07-23 13:38:03,858 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 128 states. [2018-07-23 13:38:03,860 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 128 to 128. [2018-07-23 13:38:03,860 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 128 states. [2018-07-23 13:38:03,861 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 128 states to 128 states and 128 transitions. [2018-07-23 13:38:03,861 INFO L78 Accepts]: Start accepts. Automaton has 128 states and 128 transitions. Word has length 126 [2018-07-23 13:38:03,861 INFO L84 Accepts]: Finished accepts. word is rejected. [2018-07-23 13:38:03,861 INFO L471 AbstractCegarLoop]: Abstraction has 128 states and 128 transitions. [2018-07-23 13:38:03,861 INFO L472 AbstractCegarLoop]: Interpolant automaton has 126 states. [2018-07-23 13:38:03,861 INFO L276 IsEmpty]: Start isEmpty. Operand 128 states and 128 transitions. [2018-07-23 13:38:03,862 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 128 [2018-07-23 13:38:03,862 INFO L349 BasicCegarLoop]: Found error trace [2018-07-23 13:38:03,862 INFO L357 BasicCegarLoop]: trace histogram [124, 1, 1, 1] [2018-07-23 13:38:03,862 INFO L414 AbstractCegarLoop]: === Iteration 125 === [ULTIMATE.startErr0AssertViolationASSERT]=== [2018-07-23 13:38:03,863 INFO L82 PathProgramCache]: Analyzing trace with hash 745147265, now seen corresponding path program 124 times [2018-07-23 13:38:03,863 INFO L69 tionRefinementEngine]: Using refinement strategy FixedRefinementStrategy [2018-07-23 13:38:03,914 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-07-23 13:38:04,270 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 13:38:04,271 INFO L309 seRefinementStrategy]: Constructing automaton from 0 perfect and 1 imperfect interpolant sequences. [2018-07-23 13:38:04,271 INFO L324 seRefinementStrategy]: Number of different interpolants: perfect sequences [] imperfect sequences [126] total 126 [2018-07-23 13:38:04,271 INFO L142 lantAutomatonBuilder]: Constructing canonical interpolant automaton, with selfloop in false state [2018-07-23 13:38:04,271 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2018-07-23 13:38:04,271 INFO L185 omatonBuilderFactory]: Interpolants [41488#true, 41489#false, 41490#(<= ULTIMATE.start_main_~i~4 0), 41491#(<= ULTIMATE.start_main_~i~4 2), 41492#(<= ULTIMATE.start_main_~i~4 4), 41493#(<= ULTIMATE.start_main_~i~4 6), 41494#(<= ULTIMATE.start_main_~i~4 8), 41495#(<= ULTIMATE.start_main_~i~4 10), 41496#(<= ULTIMATE.start_main_~i~4 12), 41497#(<= ULTIMATE.start_main_~i~4 14), 41498#(<= ULTIMATE.start_main_~i~4 16), 41499#(<= ULTIMATE.start_main_~i~4 18), 41500#(<= ULTIMATE.start_main_~i~4 20), 41501#(<= ULTIMATE.start_main_~i~4 22), 41502#(<= ULTIMATE.start_main_~i~4 24), 41503#(<= ULTIMATE.start_main_~i~4 26), 41504#(<= ULTIMATE.start_main_~i~4 28), 41505#(<= ULTIMATE.start_main_~i~4 30), 41506#(<= ULTIMATE.start_main_~i~4 32), 41507#(<= ULTIMATE.start_main_~i~4 34), 41508#(<= ULTIMATE.start_main_~i~4 36), 41509#(<= ULTIMATE.start_main_~i~4 38), 41510#(<= ULTIMATE.start_main_~i~4 40), 41511#(<= ULTIMATE.start_main_~i~4 42), 41512#(<= ULTIMATE.start_main_~i~4 44), 41513#(<= ULTIMATE.start_main_~i~4 46), 41514#(<= ULTIMATE.start_main_~i~4 48), 41515#(<= ULTIMATE.start_main_~i~4 50), 41516#(<= ULTIMATE.start_main_~i~4 52), 41517#(<= ULTIMATE.start_main_~i~4 54), 41518#(<= ULTIMATE.start_main_~i~4 56), 41519#(<= ULTIMATE.start_main_~i~4 58), 41520#(<= ULTIMATE.start_main_~i~4 60), 41521#(<= ULTIMATE.start_main_~i~4 62), 41522#(<= ULTIMATE.start_main_~i~4 64), 41523#(<= ULTIMATE.start_main_~i~4 66), 41524#(<= ULTIMATE.start_main_~i~4 68), 41525#(<= ULTIMATE.start_main_~i~4 70), 41526#(<= ULTIMATE.start_main_~i~4 72), 41527#(<= ULTIMATE.start_main_~i~4 74), 41528#(<= ULTIMATE.start_main_~i~4 76), 41529#(<= ULTIMATE.start_main_~i~4 78), 41530#(<= ULTIMATE.start_main_~i~4 80), 41531#(<= ULTIMATE.start_main_~i~4 82), 41532#(<= ULTIMATE.start_main_~i~4 84), 41533#(<= ULTIMATE.start_main_~i~4 86), 41534#(<= ULTIMATE.start_main_~i~4 88), 41535#(<= ULTIMATE.start_main_~i~4 90), 41536#(<= ULTIMATE.start_main_~i~4 92), 41537#(<= ULTIMATE.start_main_~i~4 94), 41538#(<= ULTIMATE.start_main_~i~4 96), 41539#(<= ULTIMATE.start_main_~i~4 98), 41540#(<= ULTIMATE.start_main_~i~4 100), 41541#(<= ULTIMATE.start_main_~i~4 102), 41542#(<= ULTIMATE.start_main_~i~4 104), 41543#(<= ULTIMATE.start_main_~i~4 106), 41544#(<= ULTIMATE.start_main_~i~4 108), 41545#(<= ULTIMATE.start_main_~i~4 110), 41546#(<= ULTIMATE.start_main_~i~4 112), 41547#(<= ULTIMATE.start_main_~i~4 114), 41548#(<= ULTIMATE.start_main_~i~4 116), 41549#(<= ULTIMATE.start_main_~i~4 118), 41550#(<= ULTIMATE.start_main_~i~4 120), 41551#(<= ULTIMATE.start_main_~i~4 122), 41552#(<= ULTIMATE.start_main_~i~4 124), 41553#(<= ULTIMATE.start_main_~i~4 126), 41554#(<= ULTIMATE.start_main_~i~4 128), 41555#(<= ULTIMATE.start_main_~i~4 130), 41556#(<= ULTIMATE.start_main_~i~4 132), 41557#(<= ULTIMATE.start_main_~i~4 134), 41558#(<= ULTIMATE.start_main_~i~4 136), 41559#(<= ULTIMATE.start_main_~i~4 138), 41560#(<= ULTIMATE.start_main_~i~4 140), 41561#(<= ULTIMATE.start_main_~i~4 142), 41562#(<= ULTIMATE.start_main_~i~4 144), 41563#(<= ULTIMATE.start_main_~i~4 146), 41564#(<= ULTIMATE.start_main_~i~4 148), 41565#(<= ULTIMATE.start_main_~i~4 150), 41566#(<= ULTIMATE.start_main_~i~4 152), 41567#(<= ULTIMATE.start_main_~i~4 154), 41568#(<= ULTIMATE.start_main_~i~4 156), 41569#(<= ULTIMATE.start_main_~i~4 158), 41570#(<= ULTIMATE.start_main_~i~4 160), 41571#(<= ULTIMATE.start_main_~i~4 162), 41572#(<= ULTIMATE.start_main_~i~4 164), 41573#(<= ULTIMATE.start_main_~i~4 166), 41574#(<= ULTIMATE.start_main_~i~4 168), 41575#(<= ULTIMATE.start_main_~i~4 170), 41576#(<= ULTIMATE.start_main_~i~4 172), 41577#(<= ULTIMATE.start_main_~i~4 174), 41578#(<= ULTIMATE.start_main_~i~4 176), 41579#(<= ULTIMATE.start_main_~i~4 178), 41580#(<= ULTIMATE.start_main_~i~4 180), 41581#(<= ULTIMATE.start_main_~i~4 182), 41582#(<= ULTIMATE.start_main_~i~4 184), 41583#(<= ULTIMATE.start_main_~i~4 186), 41584#(<= ULTIMATE.start_main_~i~4 188), 41585#(<= ULTIMATE.start_main_~i~4 190), 41586#(<= ULTIMATE.start_main_~i~4 192), 41587#(<= ULTIMATE.start_main_~i~4 194), 41588#(<= ULTIMATE.start_main_~i~4 196), 41589#(<= ULTIMATE.start_main_~i~4 198), 41590#(<= ULTIMATE.start_main_~i~4 200), 41591#(<= ULTIMATE.start_main_~i~4 202), 41592#(<= ULTIMATE.start_main_~i~4 204), 41593#(<= ULTIMATE.start_main_~i~4 206), 41594#(<= ULTIMATE.start_main_~i~4 208), 41595#(<= ULTIMATE.start_main_~i~4 210), 41596#(<= ULTIMATE.start_main_~i~4 212), 41597#(<= ULTIMATE.start_main_~i~4 214), 41598#(<= ULTIMATE.start_main_~i~4 216), 41599#(<= ULTIMATE.start_main_~i~4 218), 41600#(<= ULTIMATE.start_main_~i~4 220), 41601#(<= ULTIMATE.start_main_~i~4 222), 41602#(<= ULTIMATE.start_main_~i~4 224), 41603#(<= ULTIMATE.start_main_~i~4 226), 41604#(<= ULTIMATE.start_main_~i~4 228), 41605#(<= ULTIMATE.start_main_~i~4 230), 41606#(<= ULTIMATE.start_main_~i~4 232), 41607#(<= ULTIMATE.start_main_~i~4 234), 41608#(<= ULTIMATE.start_main_~i~4 236), 41609#(<= ULTIMATE.start_main_~i~4 238), 41610#(<= ULTIMATE.start_main_~i~4 240), 41611#(<= ULTIMATE.start_main_~i~4 242), 41612#(<= ULTIMATE.start_main_~i~4 244), 41613#(<= ULTIMATE.start_main_~i~4 246), 41614#(<= ULTIMATE.start_main_~i~4 248)] [2018-07-23 13:38:04,272 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 13:38:04,272 INFO L450 AbstractCegarLoop]: Interpolant automaton has 127 states [2018-07-23 13:38:04,273 INFO L132 InterpolantAutomaton]: Constructing interpolant automaton starting with 127 interpolants. [2018-07-23 13:38:04,273 INFO L133 InterpolantAutomaton]: CoverageRelationStatistics Valid=8001, Invalid=8001, Unknown=0, NotChecked=0, Total=16002 [2018-07-23 13:38:04,273 INFO L87 Difference]: Start difference. First operand 128 states and 128 transitions. Second operand 127 states. [2018-07-23 13:38:04,442 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2018-07-23 13:38:04,442 INFO L93 Difference]: Finished difference Result 131 states and 131 transitions. [2018-07-23 13:38:04,442 INFO L142 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 127 states. [2018-07-23 13:38:04,442 INFO L78 Accepts]: Start accepts. Automaton has 127 states. Word has length 127 [2018-07-23 13:38:04,442 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2018-07-23 13:38:04,442 INFO L225 Difference]: With dead ends: 131 [2018-07-23 13:38:04,443 INFO L226 Difference]: Without dead ends: 129 [2018-07-23 13:38:04,443 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 13:38:04,443 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 129 states. [2018-07-23 13:38:04,446 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 129 to 129. [2018-07-23 13:38:04,446 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 129 states. [2018-07-23 13:38:04,446 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 129 states to 129 states and 129 transitions. [2018-07-23 13:38:04,446 INFO L78 Accepts]: Start accepts. Automaton has 129 states and 129 transitions. Word has length 127 [2018-07-23 13:38:04,446 INFO L84 Accepts]: Finished accepts. word is rejected. [2018-07-23 13:38:04,447 INFO L471 AbstractCegarLoop]: Abstraction has 129 states and 129 transitions. [2018-07-23 13:38:04,447 INFO L472 AbstractCegarLoop]: Interpolant automaton has 127 states. [2018-07-23 13:38:04,447 INFO L276 IsEmpty]: Start isEmpty. Operand 129 states and 129 transitions. [2018-07-23 13:38:04,447 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 129 [2018-07-23 13:38:04,447 INFO L349 BasicCegarLoop]: Found error trace [2018-07-23 13:38:04,448 INFO L357 BasicCegarLoop]: trace histogram [125, 1, 1, 1] [2018-07-23 13:38:04,448 INFO L414 AbstractCegarLoop]: === Iteration 126 === [ULTIMATE.startErr0AssertViolationASSERT]=== [2018-07-23 13:38:04,448 INFO L82 PathProgramCache]: Analyzing trace with hash 1624726760, now seen corresponding path program 125 times [2018-07-23 13:38:04,448 INFO L69 tionRefinementEngine]: Using refinement strategy FixedRefinementStrategy [2018-07-23 13:38:04,506 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-07-23 13:38:04,843 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 13:38:04,843 INFO L309 seRefinementStrategy]: Constructing automaton from 0 perfect and 1 imperfect interpolant sequences. [2018-07-23 13:38:04,843 INFO L324 seRefinementStrategy]: Number of different interpolants: perfect sequences [] imperfect sequences [127] total 127 [2018-07-23 13:38:04,844 INFO L142 lantAutomatonBuilder]: Constructing canonical interpolant automaton, with selfloop in false state [2018-07-23 13:38:04,844 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2018-07-23 13:38:04,844 INFO L185 omatonBuilderFactory]: Interpolants [42240#(<= ULTIMATE.start_main_~i~4 206), 42241#(<= ULTIMATE.start_main_~i~4 208), 42242#(<= ULTIMATE.start_main_~i~4 210), 42243#(<= ULTIMATE.start_main_~i~4 212), 42244#(<= ULTIMATE.start_main_~i~4 214), 42245#(<= ULTIMATE.start_main_~i~4 216), 42246#(<= ULTIMATE.start_main_~i~4 218), 42247#(<= ULTIMATE.start_main_~i~4 220), 42248#(<= ULTIMATE.start_main_~i~4 222), 42249#(<= ULTIMATE.start_main_~i~4 224), 42250#(<= ULTIMATE.start_main_~i~4 226), 42251#(<= ULTIMATE.start_main_~i~4 228), 42252#(<= ULTIMATE.start_main_~i~4 230), 42253#(<= ULTIMATE.start_main_~i~4 232), 42254#(<= ULTIMATE.start_main_~i~4 234), 42255#(<= ULTIMATE.start_main_~i~4 236), 42256#(<= ULTIMATE.start_main_~i~4 238), 42257#(<= ULTIMATE.start_main_~i~4 240), 42258#(<= ULTIMATE.start_main_~i~4 242), 42259#(<= ULTIMATE.start_main_~i~4 244), 42260#(<= ULTIMATE.start_main_~i~4 246), 42261#(<= ULTIMATE.start_main_~i~4 248), 42262#(<= ULTIMATE.start_main_~i~4 250), 42135#true, 42136#false, 42137#(<= ULTIMATE.start_main_~i~4 0), 42138#(<= ULTIMATE.start_main_~i~4 2), 42139#(<= ULTIMATE.start_main_~i~4 4), 42140#(<= ULTIMATE.start_main_~i~4 6), 42141#(<= ULTIMATE.start_main_~i~4 8), 42142#(<= ULTIMATE.start_main_~i~4 10), 42143#(<= ULTIMATE.start_main_~i~4 12), 42144#(<= ULTIMATE.start_main_~i~4 14), 42145#(<= ULTIMATE.start_main_~i~4 16), 42146#(<= ULTIMATE.start_main_~i~4 18), 42147#(<= ULTIMATE.start_main_~i~4 20), 42148#(<= ULTIMATE.start_main_~i~4 22), 42149#(<= ULTIMATE.start_main_~i~4 24), 42150#(<= ULTIMATE.start_main_~i~4 26), 42151#(<= ULTIMATE.start_main_~i~4 28), 42152#(<= ULTIMATE.start_main_~i~4 30), 42153#(<= ULTIMATE.start_main_~i~4 32), 42154#(<= ULTIMATE.start_main_~i~4 34), 42155#(<= ULTIMATE.start_main_~i~4 36), 42156#(<= ULTIMATE.start_main_~i~4 38), 42157#(<= ULTIMATE.start_main_~i~4 40), 42158#(<= ULTIMATE.start_main_~i~4 42), 42159#(<= ULTIMATE.start_main_~i~4 44), 42160#(<= ULTIMATE.start_main_~i~4 46), 42161#(<= ULTIMATE.start_main_~i~4 48), 42162#(<= ULTIMATE.start_main_~i~4 50), 42163#(<= ULTIMATE.start_main_~i~4 52), 42164#(<= ULTIMATE.start_main_~i~4 54), 42165#(<= ULTIMATE.start_main_~i~4 56), 42166#(<= ULTIMATE.start_main_~i~4 58), 42167#(<= ULTIMATE.start_main_~i~4 60), 42168#(<= ULTIMATE.start_main_~i~4 62), 42169#(<= ULTIMATE.start_main_~i~4 64), 42170#(<= ULTIMATE.start_main_~i~4 66), 42171#(<= ULTIMATE.start_main_~i~4 68), 42172#(<= ULTIMATE.start_main_~i~4 70), 42173#(<= ULTIMATE.start_main_~i~4 72), 42174#(<= ULTIMATE.start_main_~i~4 74), 42175#(<= ULTIMATE.start_main_~i~4 76), 42176#(<= ULTIMATE.start_main_~i~4 78), 42177#(<= ULTIMATE.start_main_~i~4 80), 42178#(<= ULTIMATE.start_main_~i~4 82), 42179#(<= ULTIMATE.start_main_~i~4 84), 42180#(<= ULTIMATE.start_main_~i~4 86), 42181#(<= ULTIMATE.start_main_~i~4 88), 42182#(<= ULTIMATE.start_main_~i~4 90), 42183#(<= ULTIMATE.start_main_~i~4 92), 42184#(<= ULTIMATE.start_main_~i~4 94), 42185#(<= ULTIMATE.start_main_~i~4 96), 42186#(<= ULTIMATE.start_main_~i~4 98), 42187#(<= ULTIMATE.start_main_~i~4 100), 42188#(<= ULTIMATE.start_main_~i~4 102), 42189#(<= ULTIMATE.start_main_~i~4 104), 42190#(<= ULTIMATE.start_main_~i~4 106), 42191#(<= ULTIMATE.start_main_~i~4 108), 42192#(<= ULTIMATE.start_main_~i~4 110), 42193#(<= ULTIMATE.start_main_~i~4 112), 42194#(<= ULTIMATE.start_main_~i~4 114), 42195#(<= ULTIMATE.start_main_~i~4 116), 42196#(<= ULTIMATE.start_main_~i~4 118), 42197#(<= ULTIMATE.start_main_~i~4 120), 42198#(<= ULTIMATE.start_main_~i~4 122), 42199#(<= ULTIMATE.start_main_~i~4 124), 42200#(<= ULTIMATE.start_main_~i~4 126), 42201#(<= ULTIMATE.start_main_~i~4 128), 42202#(<= ULTIMATE.start_main_~i~4 130), 42203#(<= ULTIMATE.start_main_~i~4 132), 42204#(<= ULTIMATE.start_main_~i~4 134), 42205#(<= ULTIMATE.start_main_~i~4 136), 42206#(<= ULTIMATE.start_main_~i~4 138), 42207#(<= ULTIMATE.start_main_~i~4 140), 42208#(<= ULTIMATE.start_main_~i~4 142), 42209#(<= ULTIMATE.start_main_~i~4 144), 42210#(<= ULTIMATE.start_main_~i~4 146), 42211#(<= ULTIMATE.start_main_~i~4 148), 42212#(<= ULTIMATE.start_main_~i~4 150), 42213#(<= ULTIMATE.start_main_~i~4 152), 42214#(<= ULTIMATE.start_main_~i~4 154), 42215#(<= ULTIMATE.start_main_~i~4 156), 42216#(<= ULTIMATE.start_main_~i~4 158), 42217#(<= ULTIMATE.start_main_~i~4 160), 42218#(<= ULTIMATE.start_main_~i~4 162), 42219#(<= ULTIMATE.start_main_~i~4 164), 42220#(<= ULTIMATE.start_main_~i~4 166), 42221#(<= ULTIMATE.start_main_~i~4 168), 42222#(<= ULTIMATE.start_main_~i~4 170), 42223#(<= ULTIMATE.start_main_~i~4 172), 42224#(<= ULTIMATE.start_main_~i~4 174), 42225#(<= ULTIMATE.start_main_~i~4 176), 42226#(<= ULTIMATE.start_main_~i~4 178), 42227#(<= ULTIMATE.start_main_~i~4 180), 42228#(<= ULTIMATE.start_main_~i~4 182), 42229#(<= ULTIMATE.start_main_~i~4 184), 42230#(<= ULTIMATE.start_main_~i~4 186), 42231#(<= ULTIMATE.start_main_~i~4 188), 42232#(<= ULTIMATE.start_main_~i~4 190), 42233#(<= ULTIMATE.start_main_~i~4 192), 42234#(<= ULTIMATE.start_main_~i~4 194), 42235#(<= ULTIMATE.start_main_~i~4 196), 42236#(<= ULTIMATE.start_main_~i~4 198), 42237#(<= ULTIMATE.start_main_~i~4 200), 42238#(<= ULTIMATE.start_main_~i~4 202), 42239#(<= ULTIMATE.start_main_~i~4 204)] [2018-07-23 13:38:04,845 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 13:38:04,845 INFO L450 AbstractCegarLoop]: Interpolant automaton has 128 states [2018-07-23 13:38:04,847 INFO L132 InterpolantAutomaton]: Constructing interpolant automaton starting with 128 interpolants. [2018-07-23 13:38:04,847 INFO L133 InterpolantAutomaton]: CoverageRelationStatistics Valid=8128, Invalid=8128, Unknown=0, NotChecked=0, Total=16256 [2018-07-23 13:38:04,848 INFO L87 Difference]: Start difference. First operand 129 states and 129 transitions. Second operand 128 states. [2018-07-23 13:38:04,953 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2018-07-23 13:38:04,954 INFO L93 Difference]: Finished difference Result 132 states and 132 transitions. [2018-07-23 13:38:04,954 INFO L142 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 128 states. [2018-07-23 13:38:04,954 INFO L78 Accepts]: Start accepts. Automaton has 128 states. Word has length 128 [2018-07-23 13:38:04,954 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2018-07-23 13:38:04,954 INFO L225 Difference]: With dead ends: 132 [2018-07-23 13:38:04,954 INFO L226 Difference]: Without dead ends: 130 [2018-07-23 13:38:04,955 INFO L575 BasicCegarLoop]: 0 DeclaredPredicates, 127 GetRequests, 1 SyntacticMatches, 0 SemanticMatches, 126 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 0 ImplicationChecksByTransitivity, 0.2s TimeCoverageRelationStatistics Valid=8128, Invalid=8128, Unknown=0, NotChecked=0, Total=16256 [2018-07-23 13:38:04,956 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 130 states. [2018-07-23 13:38:04,958 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 130 to 130. [2018-07-23 13:38:04,958 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 130 states. [2018-07-23 13:38:04,959 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 130 states to 130 states and 130 transitions. [2018-07-23 13:38:04,959 INFO L78 Accepts]: Start accepts. Automaton has 130 states and 130 transitions. Word has length 128 [2018-07-23 13:38:04,959 INFO L84 Accepts]: Finished accepts. word is rejected. [2018-07-23 13:38:04,959 INFO L471 AbstractCegarLoop]: Abstraction has 130 states and 130 transitions. [2018-07-23 13:38:04,959 INFO L472 AbstractCegarLoop]: Interpolant automaton has 128 states. [2018-07-23 13:38:04,959 INFO L276 IsEmpty]: Start isEmpty. Operand 130 states and 130 transitions. [2018-07-23 13:38:04,960 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 130 [2018-07-23 13:38:04,960 INFO L349 BasicCegarLoop]: Found error trace [2018-07-23 13:38:04,960 INFO L357 BasicCegarLoop]: trace histogram [126, 1, 1, 1] [2018-07-23 13:38:04,960 INFO L414 AbstractCegarLoop]: === Iteration 127 === [ULTIMATE.startErr0AssertViolationASSERT]=== [2018-07-23 13:38:04,961 INFO L82 PathProgramCache]: Analyzing trace with hash -1173079967, now seen corresponding path program 126 times [2018-07-23 13:38:04,961 INFO L69 tionRefinementEngine]: Using refinement strategy FixedRefinementStrategy [2018-07-23 13:38:05,025 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-07-23 13:38:05,427 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 13:38:05,427 INFO L309 seRefinementStrategy]: Constructing automaton from 0 perfect and 1 imperfect interpolant sequences. [2018-07-23 13:38:05,427 INFO L324 seRefinementStrategy]: Number of different interpolants: perfect sequences [] imperfect sequences [128] total 128 [2018-07-23 13:38:05,427 INFO L142 lantAutomatonBuilder]: Constructing canonical interpolant automaton, with selfloop in false state [2018-07-23 13:38:05,428 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2018-07-23 13:38:05,428 INFO L185 omatonBuilderFactory]: Interpolants [42787#true, 42788#false, 42789#(<= ULTIMATE.start_main_~i~4 0), 42790#(<= ULTIMATE.start_main_~i~4 2), 42791#(<= ULTIMATE.start_main_~i~4 4), 42792#(<= ULTIMATE.start_main_~i~4 6), 42793#(<= ULTIMATE.start_main_~i~4 8), 42794#(<= ULTIMATE.start_main_~i~4 10), 42795#(<= ULTIMATE.start_main_~i~4 12), 42796#(<= ULTIMATE.start_main_~i~4 14), 42797#(<= ULTIMATE.start_main_~i~4 16), 42798#(<= ULTIMATE.start_main_~i~4 18), 42799#(<= ULTIMATE.start_main_~i~4 20), 42800#(<= ULTIMATE.start_main_~i~4 22), 42801#(<= ULTIMATE.start_main_~i~4 24), 42802#(<= ULTIMATE.start_main_~i~4 26), 42803#(<= ULTIMATE.start_main_~i~4 28), 42804#(<= ULTIMATE.start_main_~i~4 30), 42805#(<= ULTIMATE.start_main_~i~4 32), 42806#(<= ULTIMATE.start_main_~i~4 34), 42807#(<= ULTIMATE.start_main_~i~4 36), 42808#(<= ULTIMATE.start_main_~i~4 38), 42809#(<= ULTIMATE.start_main_~i~4 40), 42810#(<= ULTIMATE.start_main_~i~4 42), 42811#(<= ULTIMATE.start_main_~i~4 44), 42812#(<= ULTIMATE.start_main_~i~4 46), 42813#(<= ULTIMATE.start_main_~i~4 48), 42814#(<= ULTIMATE.start_main_~i~4 50), 42815#(<= ULTIMATE.start_main_~i~4 52), 42816#(<= ULTIMATE.start_main_~i~4 54), 42817#(<= ULTIMATE.start_main_~i~4 56), 42818#(<= ULTIMATE.start_main_~i~4 58), 42819#(<= ULTIMATE.start_main_~i~4 60), 42820#(<= ULTIMATE.start_main_~i~4 62), 42821#(<= ULTIMATE.start_main_~i~4 64), 42822#(<= ULTIMATE.start_main_~i~4 66), 42823#(<= ULTIMATE.start_main_~i~4 68), 42824#(<= ULTIMATE.start_main_~i~4 70), 42825#(<= ULTIMATE.start_main_~i~4 72), 42826#(<= ULTIMATE.start_main_~i~4 74), 42827#(<= ULTIMATE.start_main_~i~4 76), 42828#(<= ULTIMATE.start_main_~i~4 78), 42829#(<= ULTIMATE.start_main_~i~4 80), 42830#(<= ULTIMATE.start_main_~i~4 82), 42831#(<= ULTIMATE.start_main_~i~4 84), 42832#(<= ULTIMATE.start_main_~i~4 86), 42833#(<= ULTIMATE.start_main_~i~4 88), 42834#(<= ULTIMATE.start_main_~i~4 90), 42835#(<= ULTIMATE.start_main_~i~4 92), 42836#(<= ULTIMATE.start_main_~i~4 94), 42837#(<= ULTIMATE.start_main_~i~4 96), 42838#(<= ULTIMATE.start_main_~i~4 98), 42839#(<= ULTIMATE.start_main_~i~4 100), 42840#(<= ULTIMATE.start_main_~i~4 102), 42841#(<= ULTIMATE.start_main_~i~4 104), 42842#(<= ULTIMATE.start_main_~i~4 106), 42843#(<= ULTIMATE.start_main_~i~4 108), 42844#(<= ULTIMATE.start_main_~i~4 110), 42845#(<= ULTIMATE.start_main_~i~4 112), 42846#(<= ULTIMATE.start_main_~i~4 114), 42847#(<= ULTIMATE.start_main_~i~4 116), 42848#(<= ULTIMATE.start_main_~i~4 118), 42849#(<= ULTIMATE.start_main_~i~4 120), 42850#(<= ULTIMATE.start_main_~i~4 122), 42851#(<= ULTIMATE.start_main_~i~4 124), 42852#(<= ULTIMATE.start_main_~i~4 126), 42853#(<= ULTIMATE.start_main_~i~4 128), 42854#(<= ULTIMATE.start_main_~i~4 130), 42855#(<= ULTIMATE.start_main_~i~4 132), 42856#(<= ULTIMATE.start_main_~i~4 134), 42857#(<= ULTIMATE.start_main_~i~4 136), 42858#(<= ULTIMATE.start_main_~i~4 138), 42859#(<= ULTIMATE.start_main_~i~4 140), 42860#(<= ULTIMATE.start_main_~i~4 142), 42861#(<= ULTIMATE.start_main_~i~4 144), 42862#(<= ULTIMATE.start_main_~i~4 146), 42863#(<= ULTIMATE.start_main_~i~4 148), 42864#(<= ULTIMATE.start_main_~i~4 150), 42865#(<= ULTIMATE.start_main_~i~4 152), 42866#(<= ULTIMATE.start_main_~i~4 154), 42867#(<= ULTIMATE.start_main_~i~4 156), 42868#(<= ULTIMATE.start_main_~i~4 158), 42869#(<= ULTIMATE.start_main_~i~4 160), 42870#(<= ULTIMATE.start_main_~i~4 162), 42871#(<= ULTIMATE.start_main_~i~4 164), 42872#(<= ULTIMATE.start_main_~i~4 166), 42873#(<= ULTIMATE.start_main_~i~4 168), 42874#(<= ULTIMATE.start_main_~i~4 170), 42875#(<= ULTIMATE.start_main_~i~4 172), 42876#(<= ULTIMATE.start_main_~i~4 174), 42877#(<= ULTIMATE.start_main_~i~4 176), 42878#(<= ULTIMATE.start_main_~i~4 178), 42879#(<= ULTIMATE.start_main_~i~4 180), 42880#(<= ULTIMATE.start_main_~i~4 182), 42881#(<= ULTIMATE.start_main_~i~4 184), 42882#(<= ULTIMATE.start_main_~i~4 186), 42883#(<= ULTIMATE.start_main_~i~4 188), 42884#(<= ULTIMATE.start_main_~i~4 190), 42885#(<= ULTIMATE.start_main_~i~4 192), 42886#(<= ULTIMATE.start_main_~i~4 194), 42887#(<= ULTIMATE.start_main_~i~4 196), 42888#(<= ULTIMATE.start_main_~i~4 198), 42889#(<= ULTIMATE.start_main_~i~4 200), 42890#(<= ULTIMATE.start_main_~i~4 202), 42891#(<= ULTIMATE.start_main_~i~4 204), 42892#(<= ULTIMATE.start_main_~i~4 206), 42893#(<= ULTIMATE.start_main_~i~4 208), 42894#(<= ULTIMATE.start_main_~i~4 210), 42895#(<= ULTIMATE.start_main_~i~4 212), 42896#(<= ULTIMATE.start_main_~i~4 214), 42897#(<= ULTIMATE.start_main_~i~4 216), 42898#(<= ULTIMATE.start_main_~i~4 218), 42899#(<= ULTIMATE.start_main_~i~4 220), 42900#(<= ULTIMATE.start_main_~i~4 222), 42901#(<= ULTIMATE.start_main_~i~4 224), 42902#(<= ULTIMATE.start_main_~i~4 226), 42903#(<= ULTIMATE.start_main_~i~4 228), 42904#(<= ULTIMATE.start_main_~i~4 230), 42905#(<= ULTIMATE.start_main_~i~4 232), 42906#(<= ULTIMATE.start_main_~i~4 234), 42907#(<= ULTIMATE.start_main_~i~4 236), 42908#(<= ULTIMATE.start_main_~i~4 238), 42909#(<= ULTIMATE.start_main_~i~4 240), 42910#(<= ULTIMATE.start_main_~i~4 242), 42911#(<= ULTIMATE.start_main_~i~4 244), 42912#(<= ULTIMATE.start_main_~i~4 246), 42913#(<= ULTIMATE.start_main_~i~4 248), 42914#(<= ULTIMATE.start_main_~i~4 250), 42915#(<= ULTIMATE.start_main_~i~4 252)] [2018-07-23 13:38:05,429 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 13:38:05,429 INFO L450 AbstractCegarLoop]: Interpolant automaton has 129 states [2018-07-23 13:38:05,430 INFO L132 InterpolantAutomaton]: Constructing interpolant automaton starting with 129 interpolants. [2018-07-23 13:38:05,431 INFO L133 InterpolantAutomaton]: CoverageRelationStatistics Valid=8256, Invalid=8256, Unknown=0, NotChecked=0, Total=16512 [2018-07-23 13:38:05,431 INFO L87 Difference]: Start difference. First operand 130 states and 130 transitions. Second operand 129 states. [2018-07-23 13:38:05,606 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2018-07-23 13:38:05,606 INFO L93 Difference]: Finished difference Result 133 states and 133 transitions. [2018-07-23 13:38:05,606 INFO L142 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 129 states. [2018-07-23 13:38:05,606 INFO L78 Accepts]: Start accepts. Automaton has 129 states. Word has length 129 [2018-07-23 13:38:05,606 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2018-07-23 13:38:05,606 INFO L225 Difference]: With dead ends: 133 [2018-07-23 13:38:05,607 INFO L226 Difference]: Without dead ends: 131 [2018-07-23 13:38:05,607 INFO L575 BasicCegarLoop]: 0 DeclaredPredicates, 128 GetRequests, 1 SyntacticMatches, 0 SemanticMatches, 127 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 0 ImplicationChecksByTransitivity, 0.3s TimeCoverageRelationStatistics Valid=8256, Invalid=8256, Unknown=0, NotChecked=0, Total=16512 [2018-07-23 13:38:05,607 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 131 states. [2018-07-23 13:38:05,609 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 131 to 131. [2018-07-23 13:38:05,609 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 131 states. [2018-07-23 13:38:05,609 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 131 states to 131 states and 131 transitions. [2018-07-23 13:38:05,609 INFO L78 Accepts]: Start accepts. Automaton has 131 states and 131 transitions. Word has length 129 [2018-07-23 13:38:05,610 INFO L84 Accepts]: Finished accepts. word is rejected. [2018-07-23 13:38:05,610 INFO L471 AbstractCegarLoop]: Abstraction has 131 states and 131 transitions. [2018-07-23 13:38:05,610 INFO L472 AbstractCegarLoop]: Interpolant automaton has 129 states. [2018-07-23 13:38:05,610 INFO L276 IsEmpty]: Start isEmpty. Operand 131 states and 131 transitions. [2018-07-23 13:38:05,610 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 131 [2018-07-23 13:38:05,611 INFO L349 BasicCegarLoop]: Found error trace [2018-07-23 13:38:05,611 INFO L357 BasicCegarLoop]: trace histogram [127, 1, 1, 1] [2018-07-23 13:38:05,611 INFO L414 AbstractCegarLoop]: === Iteration 128 === [ULTIMATE.startErr0AssertViolationASSERT]=== [2018-07-23 13:38:05,611 INFO L82 PathProgramCache]: Analyzing trace with hash -2005742584, now seen corresponding path program 127 times [2018-07-23 13:38:05,611 INFO L69 tionRefinementEngine]: Using refinement strategy FixedRefinementStrategy [2018-07-23 13:38:05,674 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-07-23 13:38:05,998 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 13:38:05,999 INFO L309 seRefinementStrategy]: Constructing automaton from 0 perfect and 1 imperfect interpolant sequences. [2018-07-23 13:38:05,999 INFO L324 seRefinementStrategy]: Number of different interpolants: perfect sequences [] imperfect sequences [129] total 129 [2018-07-23 13:38:05,999 INFO L142 lantAutomatonBuilder]: Constructing canonical interpolant automaton, with selfloop in false state [2018-07-23 13:38:05,999 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2018-07-23 13:38:06,000 INFO L185 omatonBuilderFactory]: Interpolants [43520#(<= ULTIMATE.start_main_~i~4 148), 43521#(<= ULTIMATE.start_main_~i~4 150), 43522#(<= ULTIMATE.start_main_~i~4 152), 43523#(<= ULTIMATE.start_main_~i~4 154), 43524#(<= ULTIMATE.start_main_~i~4 156), 43525#(<= ULTIMATE.start_main_~i~4 158), 43526#(<= ULTIMATE.start_main_~i~4 160), 43527#(<= ULTIMATE.start_main_~i~4 162), 43528#(<= ULTIMATE.start_main_~i~4 164), 43529#(<= ULTIMATE.start_main_~i~4 166), 43530#(<= ULTIMATE.start_main_~i~4 168), 43531#(<= ULTIMATE.start_main_~i~4 170), 43532#(<= ULTIMATE.start_main_~i~4 172), 43533#(<= ULTIMATE.start_main_~i~4 174), 43534#(<= ULTIMATE.start_main_~i~4 176), 43535#(<= ULTIMATE.start_main_~i~4 178), 43536#(<= ULTIMATE.start_main_~i~4 180), 43537#(<= ULTIMATE.start_main_~i~4 182), 43538#(<= ULTIMATE.start_main_~i~4 184), 43539#(<= ULTIMATE.start_main_~i~4 186), 43540#(<= ULTIMATE.start_main_~i~4 188), 43541#(<= ULTIMATE.start_main_~i~4 190), 43542#(<= ULTIMATE.start_main_~i~4 192), 43543#(<= ULTIMATE.start_main_~i~4 194), 43544#(<= ULTIMATE.start_main_~i~4 196), 43545#(<= ULTIMATE.start_main_~i~4 198), 43546#(<= ULTIMATE.start_main_~i~4 200), 43547#(<= ULTIMATE.start_main_~i~4 202), 43548#(<= ULTIMATE.start_main_~i~4 204), 43549#(<= ULTIMATE.start_main_~i~4 206), 43550#(<= ULTIMATE.start_main_~i~4 208), 43551#(<= ULTIMATE.start_main_~i~4 210), 43552#(<= ULTIMATE.start_main_~i~4 212), 43553#(<= ULTIMATE.start_main_~i~4 214), 43554#(<= ULTIMATE.start_main_~i~4 216), 43555#(<= ULTIMATE.start_main_~i~4 218), 43556#(<= ULTIMATE.start_main_~i~4 220), 43557#(<= ULTIMATE.start_main_~i~4 222), 43558#(<= ULTIMATE.start_main_~i~4 224), 43559#(<= ULTIMATE.start_main_~i~4 226), 43560#(<= ULTIMATE.start_main_~i~4 228), 43561#(<= ULTIMATE.start_main_~i~4 230), 43562#(<= ULTIMATE.start_main_~i~4 232), 43563#(<= ULTIMATE.start_main_~i~4 234), 43564#(<= ULTIMATE.start_main_~i~4 236), 43565#(<= ULTIMATE.start_main_~i~4 238), 43566#(<= ULTIMATE.start_main_~i~4 240), 43567#(<= ULTIMATE.start_main_~i~4 242), 43568#(<= ULTIMATE.start_main_~i~4 244), 43569#(<= ULTIMATE.start_main_~i~4 246), 43570#(<= ULTIMATE.start_main_~i~4 248), 43571#(<= ULTIMATE.start_main_~i~4 250), 43572#(<= ULTIMATE.start_main_~i~4 252), 43573#(<= ULTIMATE.start_main_~i~4 254), 43444#true, 43445#false, 43446#(<= ULTIMATE.start_main_~i~4 0), 43447#(<= ULTIMATE.start_main_~i~4 2), 43448#(<= ULTIMATE.start_main_~i~4 4), 43449#(<= ULTIMATE.start_main_~i~4 6), 43450#(<= ULTIMATE.start_main_~i~4 8), 43451#(<= ULTIMATE.start_main_~i~4 10), 43452#(<= ULTIMATE.start_main_~i~4 12), 43453#(<= ULTIMATE.start_main_~i~4 14), 43454#(<= ULTIMATE.start_main_~i~4 16), 43455#(<= ULTIMATE.start_main_~i~4 18), 43456#(<= ULTIMATE.start_main_~i~4 20), 43457#(<= ULTIMATE.start_main_~i~4 22), 43458#(<= ULTIMATE.start_main_~i~4 24), 43459#(<= ULTIMATE.start_main_~i~4 26), 43460#(<= ULTIMATE.start_main_~i~4 28), 43461#(<= ULTIMATE.start_main_~i~4 30), 43462#(<= ULTIMATE.start_main_~i~4 32), 43463#(<= ULTIMATE.start_main_~i~4 34), 43464#(<= ULTIMATE.start_main_~i~4 36), 43465#(<= ULTIMATE.start_main_~i~4 38), 43466#(<= ULTIMATE.start_main_~i~4 40), 43467#(<= ULTIMATE.start_main_~i~4 42), 43468#(<= ULTIMATE.start_main_~i~4 44), 43469#(<= ULTIMATE.start_main_~i~4 46), 43470#(<= ULTIMATE.start_main_~i~4 48), 43471#(<= ULTIMATE.start_main_~i~4 50), 43472#(<= ULTIMATE.start_main_~i~4 52), 43473#(<= ULTIMATE.start_main_~i~4 54), 43474#(<= ULTIMATE.start_main_~i~4 56), 43475#(<= ULTIMATE.start_main_~i~4 58), 43476#(<= ULTIMATE.start_main_~i~4 60), 43477#(<= ULTIMATE.start_main_~i~4 62), 43478#(<= ULTIMATE.start_main_~i~4 64), 43479#(<= ULTIMATE.start_main_~i~4 66), 43480#(<= ULTIMATE.start_main_~i~4 68), 43481#(<= ULTIMATE.start_main_~i~4 70), 43482#(<= ULTIMATE.start_main_~i~4 72), 43483#(<= ULTIMATE.start_main_~i~4 74), 43484#(<= ULTIMATE.start_main_~i~4 76), 43485#(<= ULTIMATE.start_main_~i~4 78), 43486#(<= ULTIMATE.start_main_~i~4 80), 43487#(<= ULTIMATE.start_main_~i~4 82), 43488#(<= ULTIMATE.start_main_~i~4 84), 43489#(<= ULTIMATE.start_main_~i~4 86), 43490#(<= ULTIMATE.start_main_~i~4 88), 43491#(<= ULTIMATE.start_main_~i~4 90), 43492#(<= ULTIMATE.start_main_~i~4 92), 43493#(<= ULTIMATE.start_main_~i~4 94), 43494#(<= ULTIMATE.start_main_~i~4 96), 43495#(<= ULTIMATE.start_main_~i~4 98), 43496#(<= ULTIMATE.start_main_~i~4 100), 43497#(<= ULTIMATE.start_main_~i~4 102), 43498#(<= ULTIMATE.start_main_~i~4 104), 43499#(<= ULTIMATE.start_main_~i~4 106), 43500#(<= ULTIMATE.start_main_~i~4 108), 43501#(<= ULTIMATE.start_main_~i~4 110), 43502#(<= ULTIMATE.start_main_~i~4 112), 43503#(<= ULTIMATE.start_main_~i~4 114), 43504#(<= ULTIMATE.start_main_~i~4 116), 43505#(<= ULTIMATE.start_main_~i~4 118), 43506#(<= ULTIMATE.start_main_~i~4 120), 43507#(<= ULTIMATE.start_main_~i~4 122), 43508#(<= ULTIMATE.start_main_~i~4 124), 43509#(<= ULTIMATE.start_main_~i~4 126), 43510#(<= ULTIMATE.start_main_~i~4 128), 43511#(<= ULTIMATE.start_main_~i~4 130), 43512#(<= ULTIMATE.start_main_~i~4 132), 43513#(<= ULTIMATE.start_main_~i~4 134), 43514#(<= ULTIMATE.start_main_~i~4 136), 43515#(<= ULTIMATE.start_main_~i~4 138), 43516#(<= ULTIMATE.start_main_~i~4 140), 43517#(<= ULTIMATE.start_main_~i~4 142), 43518#(<= ULTIMATE.start_main_~i~4 144), 43519#(<= ULTIMATE.start_main_~i~4 146)] [2018-07-23 13:38:06,000 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 13:38:06,000 INFO L450 AbstractCegarLoop]: Interpolant automaton has 130 states [2018-07-23 13:38:06,002 INFO L132 InterpolantAutomaton]: Constructing interpolant automaton starting with 130 interpolants. [2018-07-23 13:38:06,003 INFO L133 InterpolantAutomaton]: CoverageRelationStatistics Valid=8385, Invalid=8385, Unknown=0, NotChecked=0, Total=16770 [2018-07-23 13:38:06,003 INFO L87 Difference]: Start difference. First operand 131 states and 131 transitions. Second operand 130 states. [2018-07-23 13:38:06,069 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2018-07-23 13:38:06,069 INFO L93 Difference]: Finished difference Result 134 states and 134 transitions. [2018-07-23 13:38:06,069 INFO L142 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 130 states. [2018-07-23 13:38:06,069 INFO L78 Accepts]: Start accepts. Automaton has 130 states. Word has length 130 [2018-07-23 13:38:06,070 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2018-07-23 13:38:06,070 INFO L225 Difference]: With dead ends: 134 [2018-07-23 13:38:06,070 INFO L226 Difference]: Without dead ends: 132 [2018-07-23 13:38:06,071 INFO L575 BasicCegarLoop]: 0 DeclaredPredicates, 129 GetRequests, 1 SyntacticMatches, 0 SemanticMatches, 128 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 0 ImplicationChecksByTransitivity, 0.2s TimeCoverageRelationStatistics Valid=8385, Invalid=8385, Unknown=0, NotChecked=0, Total=16770 [2018-07-23 13:38:06,072 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 132 states. [2018-07-23 13:38:06,074 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 132 to 132. [2018-07-23 13:38:06,074 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 132 states. [2018-07-23 13:38:06,074 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 132 states to 132 states and 132 transitions. [2018-07-23 13:38:06,074 INFO L78 Accepts]: Start accepts. Automaton has 132 states and 132 transitions. Word has length 130 [2018-07-23 13:38:06,075 INFO L84 Accepts]: Finished accepts. word is rejected. [2018-07-23 13:38:06,075 INFO L471 AbstractCegarLoop]: Abstraction has 132 states and 132 transitions. [2018-07-23 13:38:06,075 INFO L472 AbstractCegarLoop]: Interpolant automaton has 130 states. [2018-07-23 13:38:06,075 INFO L276 IsEmpty]: Start isEmpty. Operand 132 states and 132 transitions. [2018-07-23 13:38:06,075 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 132 [2018-07-23 13:38:06,075 INFO L349 BasicCegarLoop]: Found error trace [2018-07-23 13:38:06,076 INFO L357 BasicCegarLoop]: trace histogram [128, 1, 1, 1] [2018-07-23 13:38:06,076 INFO L414 AbstractCegarLoop]: === Iteration 129 === [ULTIMATE.startErr0AssertViolationASSERT]=== [2018-07-23 13:38:06,076 INFO L82 PathProgramCache]: Analyzing trace with hash -2048479935, now seen corresponding path program 128 times [2018-07-23 13:38:06,076 INFO L69 tionRefinementEngine]: Using refinement strategy FixedRefinementStrategy [2018-07-23 13:38:06,143 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-07-23 13:38:06,489 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 13:38:06,489 INFO L309 seRefinementStrategy]: Constructing automaton from 0 perfect and 1 imperfect interpolant sequences. [2018-07-23 13:38:06,489 INFO L324 seRefinementStrategy]: Number of different interpolants: perfect sequences [] imperfect sequences [130] total 130 [2018-07-23 13:38:06,490 INFO L142 lantAutomatonBuilder]: Constructing canonical interpolant automaton, with selfloop in false state [2018-07-23 13:38:06,490 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2018-07-23 13:38:06,490 INFO L185 omatonBuilderFactory]: Interpolants [44106#true, 44107#false, 44108#(<= ULTIMATE.start_main_~i~4 0), 44109#(<= ULTIMATE.start_main_~i~4 2), 44110#(<= ULTIMATE.start_main_~i~4 4), 44111#(<= ULTIMATE.start_main_~i~4 6), 44112#(<= ULTIMATE.start_main_~i~4 8), 44113#(<= ULTIMATE.start_main_~i~4 10), 44114#(<= ULTIMATE.start_main_~i~4 12), 44115#(<= ULTIMATE.start_main_~i~4 14), 44116#(<= ULTIMATE.start_main_~i~4 16), 44117#(<= ULTIMATE.start_main_~i~4 18), 44118#(<= ULTIMATE.start_main_~i~4 20), 44119#(<= ULTIMATE.start_main_~i~4 22), 44120#(<= ULTIMATE.start_main_~i~4 24), 44121#(<= ULTIMATE.start_main_~i~4 26), 44122#(<= ULTIMATE.start_main_~i~4 28), 44123#(<= ULTIMATE.start_main_~i~4 30), 44124#(<= ULTIMATE.start_main_~i~4 32), 44125#(<= ULTIMATE.start_main_~i~4 34), 44126#(<= ULTIMATE.start_main_~i~4 36), 44127#(<= ULTIMATE.start_main_~i~4 38), 44128#(<= ULTIMATE.start_main_~i~4 40), 44129#(<= ULTIMATE.start_main_~i~4 42), 44130#(<= ULTIMATE.start_main_~i~4 44), 44131#(<= ULTIMATE.start_main_~i~4 46), 44132#(<= ULTIMATE.start_main_~i~4 48), 44133#(<= ULTIMATE.start_main_~i~4 50), 44134#(<= ULTIMATE.start_main_~i~4 52), 44135#(<= ULTIMATE.start_main_~i~4 54), 44136#(<= ULTIMATE.start_main_~i~4 56), 44137#(<= ULTIMATE.start_main_~i~4 58), 44138#(<= ULTIMATE.start_main_~i~4 60), 44139#(<= ULTIMATE.start_main_~i~4 62), 44140#(<= ULTIMATE.start_main_~i~4 64), 44141#(<= ULTIMATE.start_main_~i~4 66), 44142#(<= ULTIMATE.start_main_~i~4 68), 44143#(<= ULTIMATE.start_main_~i~4 70), 44144#(<= ULTIMATE.start_main_~i~4 72), 44145#(<= ULTIMATE.start_main_~i~4 74), 44146#(<= ULTIMATE.start_main_~i~4 76), 44147#(<= ULTIMATE.start_main_~i~4 78), 44148#(<= ULTIMATE.start_main_~i~4 80), 44149#(<= ULTIMATE.start_main_~i~4 82), 44150#(<= ULTIMATE.start_main_~i~4 84), 44151#(<= ULTIMATE.start_main_~i~4 86), 44152#(<= ULTIMATE.start_main_~i~4 88), 44153#(<= ULTIMATE.start_main_~i~4 90), 44154#(<= ULTIMATE.start_main_~i~4 92), 44155#(<= ULTIMATE.start_main_~i~4 94), 44156#(<= ULTIMATE.start_main_~i~4 96), 44157#(<= ULTIMATE.start_main_~i~4 98), 44158#(<= ULTIMATE.start_main_~i~4 100), 44159#(<= ULTIMATE.start_main_~i~4 102), 44160#(<= ULTIMATE.start_main_~i~4 104), 44161#(<= ULTIMATE.start_main_~i~4 106), 44162#(<= ULTIMATE.start_main_~i~4 108), 44163#(<= ULTIMATE.start_main_~i~4 110), 44164#(<= ULTIMATE.start_main_~i~4 112), 44165#(<= ULTIMATE.start_main_~i~4 114), 44166#(<= ULTIMATE.start_main_~i~4 116), 44167#(<= ULTIMATE.start_main_~i~4 118), 44168#(<= ULTIMATE.start_main_~i~4 120), 44169#(<= ULTIMATE.start_main_~i~4 122), 44170#(<= ULTIMATE.start_main_~i~4 124), 44171#(<= ULTIMATE.start_main_~i~4 126), 44172#(<= ULTIMATE.start_main_~i~4 128), 44173#(<= ULTIMATE.start_main_~i~4 130), 44174#(<= ULTIMATE.start_main_~i~4 132), 44175#(<= ULTIMATE.start_main_~i~4 134), 44176#(<= ULTIMATE.start_main_~i~4 136), 44177#(<= ULTIMATE.start_main_~i~4 138), 44178#(<= ULTIMATE.start_main_~i~4 140), 44179#(<= ULTIMATE.start_main_~i~4 142), 44180#(<= ULTIMATE.start_main_~i~4 144), 44181#(<= ULTIMATE.start_main_~i~4 146), 44182#(<= ULTIMATE.start_main_~i~4 148), 44183#(<= ULTIMATE.start_main_~i~4 150), 44184#(<= ULTIMATE.start_main_~i~4 152), 44185#(<= ULTIMATE.start_main_~i~4 154), 44186#(<= ULTIMATE.start_main_~i~4 156), 44187#(<= ULTIMATE.start_main_~i~4 158), 44188#(<= ULTIMATE.start_main_~i~4 160), 44189#(<= ULTIMATE.start_main_~i~4 162), 44190#(<= ULTIMATE.start_main_~i~4 164), 44191#(<= ULTIMATE.start_main_~i~4 166), 44192#(<= ULTIMATE.start_main_~i~4 168), 44193#(<= ULTIMATE.start_main_~i~4 170), 44194#(<= ULTIMATE.start_main_~i~4 172), 44195#(<= ULTIMATE.start_main_~i~4 174), 44196#(<= ULTIMATE.start_main_~i~4 176), 44197#(<= ULTIMATE.start_main_~i~4 178), 44198#(<= ULTIMATE.start_main_~i~4 180), 44199#(<= ULTIMATE.start_main_~i~4 182), 44200#(<= ULTIMATE.start_main_~i~4 184), 44201#(<= ULTIMATE.start_main_~i~4 186), 44202#(<= ULTIMATE.start_main_~i~4 188), 44203#(<= ULTIMATE.start_main_~i~4 190), 44204#(<= ULTIMATE.start_main_~i~4 192), 44205#(<= ULTIMATE.start_main_~i~4 194), 44206#(<= ULTIMATE.start_main_~i~4 196), 44207#(<= ULTIMATE.start_main_~i~4 198), 44208#(<= ULTIMATE.start_main_~i~4 200), 44209#(<= ULTIMATE.start_main_~i~4 202), 44210#(<= ULTIMATE.start_main_~i~4 204), 44211#(<= ULTIMATE.start_main_~i~4 206), 44212#(<= ULTIMATE.start_main_~i~4 208), 44213#(<= ULTIMATE.start_main_~i~4 210), 44214#(<= ULTIMATE.start_main_~i~4 212), 44215#(<= ULTIMATE.start_main_~i~4 214), 44216#(<= ULTIMATE.start_main_~i~4 216), 44217#(<= ULTIMATE.start_main_~i~4 218), 44218#(<= ULTIMATE.start_main_~i~4 220), 44219#(<= ULTIMATE.start_main_~i~4 222), 44220#(<= ULTIMATE.start_main_~i~4 224), 44221#(<= ULTIMATE.start_main_~i~4 226), 44222#(<= ULTIMATE.start_main_~i~4 228), 44223#(<= ULTIMATE.start_main_~i~4 230), 44224#(<= ULTIMATE.start_main_~i~4 232), 44225#(<= ULTIMATE.start_main_~i~4 234), 44226#(<= ULTIMATE.start_main_~i~4 236), 44227#(<= ULTIMATE.start_main_~i~4 238), 44228#(<= ULTIMATE.start_main_~i~4 240), 44229#(<= ULTIMATE.start_main_~i~4 242), 44230#(<= ULTIMATE.start_main_~i~4 244), 44231#(<= ULTIMATE.start_main_~i~4 246), 44232#(<= ULTIMATE.start_main_~i~4 248), 44233#(<= ULTIMATE.start_main_~i~4 250), 44234#(<= ULTIMATE.start_main_~i~4 252), 44235#(<= ULTIMATE.start_main_~i~4 254), 44236#(<= ULTIMATE.start_main_~i~4 256)] [2018-07-23 13:38:06,491 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 13:38:06,491 INFO L450 AbstractCegarLoop]: Interpolant automaton has 131 states [2018-07-23 13:38:06,493 INFO L132 InterpolantAutomaton]: Constructing interpolant automaton starting with 131 interpolants. [2018-07-23 13:38:06,493 INFO L133 InterpolantAutomaton]: CoverageRelationStatistics Valid=8515, Invalid=8515, Unknown=0, NotChecked=0, Total=17030 [2018-07-23 13:38:06,494 INFO L87 Difference]: Start difference. First operand 132 states and 132 transitions. Second operand 131 states. [2018-07-23 13:38:06,646 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2018-07-23 13:38:06,646 INFO L93 Difference]: Finished difference Result 135 states and 135 transitions. [2018-07-23 13:38:06,646 INFO L142 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 131 states. [2018-07-23 13:38:06,646 INFO L78 Accepts]: Start accepts. Automaton has 131 states. Word has length 131 [2018-07-23 13:38:06,646 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2018-07-23 13:38:06,647 INFO L225 Difference]: With dead ends: 135 [2018-07-23 13:38:06,647 INFO L226 Difference]: Without dead ends: 133 [2018-07-23 13:38:06,648 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 13:38:06,648 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 133 states. [2018-07-23 13:38:06,650 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 133 to 133. [2018-07-23 13:38:06,650 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 133 states. [2018-07-23 13:38:06,650 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 133 states to 133 states and 133 transitions. [2018-07-23 13:38:06,651 INFO L78 Accepts]: Start accepts. Automaton has 133 states and 133 transitions. Word has length 131 [2018-07-23 13:38:06,651 INFO L84 Accepts]: Finished accepts. word is rejected. [2018-07-23 13:38:06,651 INFO L471 AbstractCegarLoop]: Abstraction has 133 states and 133 transitions. [2018-07-23 13:38:06,651 INFO L472 AbstractCegarLoop]: Interpolant automaton has 131 states. [2018-07-23 13:38:06,651 INFO L276 IsEmpty]: Start isEmpty. Operand 133 states and 133 transitions. [2018-07-23 13:38:06,652 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 133 [2018-07-23 13:38:06,652 INFO L349 BasicCegarLoop]: Found error trace [2018-07-23 13:38:06,652 INFO L357 BasicCegarLoop]: trace histogram [129, 1, 1, 1] [2018-07-23 13:38:06,652 INFO L414 AbstractCegarLoop]: === Iteration 130 === [ULTIMATE.startErr0AssertViolationASSERT]=== [2018-07-23 13:38:06,652 INFO L82 PathProgramCache]: Analyzing trace with hash 921629480, now seen corresponding path program 129 times [2018-07-23 13:38:06,652 INFO L69 tionRefinementEngine]: Using refinement strategy FixedRefinementStrategy [2018-07-23 13:38:06,722 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-07-23 13:38:07,126 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 13:38:07,126 INFO L309 seRefinementStrategy]: Constructing automaton from 0 perfect and 1 imperfect interpolant sequences. [2018-07-23 13:38:07,126 INFO L324 seRefinementStrategy]: Number of different interpolants: perfect sequences [] imperfect sequences [131] total 131 [2018-07-23 13:38:07,126 INFO L142 lantAutomatonBuilder]: Constructing canonical interpolant automaton, with selfloop in false state [2018-07-23 13:38:07,126 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2018-07-23 13:38:07,127 INFO L185 omatonBuilderFactory]: Interpolants [44800#(<= ULTIMATE.start_main_~i~4 50), 44801#(<= ULTIMATE.start_main_~i~4 52), 44802#(<= ULTIMATE.start_main_~i~4 54), 44803#(<= ULTIMATE.start_main_~i~4 56), 44804#(<= ULTIMATE.start_main_~i~4 58), 44805#(<= ULTIMATE.start_main_~i~4 60), 44806#(<= ULTIMATE.start_main_~i~4 62), 44807#(<= ULTIMATE.start_main_~i~4 64), 44808#(<= ULTIMATE.start_main_~i~4 66), 44809#(<= ULTIMATE.start_main_~i~4 68), 44810#(<= ULTIMATE.start_main_~i~4 70), 44811#(<= ULTIMATE.start_main_~i~4 72), 44812#(<= ULTIMATE.start_main_~i~4 74), 44813#(<= ULTIMATE.start_main_~i~4 76), 44814#(<= ULTIMATE.start_main_~i~4 78), 44815#(<= ULTIMATE.start_main_~i~4 80), 44816#(<= ULTIMATE.start_main_~i~4 82), 44817#(<= ULTIMATE.start_main_~i~4 84), 44818#(<= ULTIMATE.start_main_~i~4 86), 44819#(<= ULTIMATE.start_main_~i~4 88), 44820#(<= ULTIMATE.start_main_~i~4 90), 44821#(<= ULTIMATE.start_main_~i~4 92), 44822#(<= ULTIMATE.start_main_~i~4 94), 44823#(<= ULTIMATE.start_main_~i~4 96), 44824#(<= ULTIMATE.start_main_~i~4 98), 44825#(<= ULTIMATE.start_main_~i~4 100), 44826#(<= ULTIMATE.start_main_~i~4 102), 44827#(<= ULTIMATE.start_main_~i~4 104), 44828#(<= ULTIMATE.start_main_~i~4 106), 44829#(<= ULTIMATE.start_main_~i~4 108), 44830#(<= ULTIMATE.start_main_~i~4 110), 44831#(<= ULTIMATE.start_main_~i~4 112), 44832#(<= ULTIMATE.start_main_~i~4 114), 44833#(<= ULTIMATE.start_main_~i~4 116), 44834#(<= ULTIMATE.start_main_~i~4 118), 44835#(<= ULTIMATE.start_main_~i~4 120), 44836#(<= ULTIMATE.start_main_~i~4 122), 44837#(<= ULTIMATE.start_main_~i~4 124), 44838#(<= ULTIMATE.start_main_~i~4 126), 44839#(<= ULTIMATE.start_main_~i~4 128), 44840#(<= ULTIMATE.start_main_~i~4 130), 44841#(<= ULTIMATE.start_main_~i~4 132), 44842#(<= ULTIMATE.start_main_~i~4 134), 44843#(<= ULTIMATE.start_main_~i~4 136), 44844#(<= ULTIMATE.start_main_~i~4 138), 44845#(<= ULTIMATE.start_main_~i~4 140), 44846#(<= ULTIMATE.start_main_~i~4 142), 44847#(<= ULTIMATE.start_main_~i~4 144), 44848#(<= ULTIMATE.start_main_~i~4 146), 44849#(<= ULTIMATE.start_main_~i~4 148), 44850#(<= ULTIMATE.start_main_~i~4 150), 44851#(<= ULTIMATE.start_main_~i~4 152), 44852#(<= ULTIMATE.start_main_~i~4 154), 44853#(<= ULTIMATE.start_main_~i~4 156), 44854#(<= ULTIMATE.start_main_~i~4 158), 44855#(<= ULTIMATE.start_main_~i~4 160), 44856#(<= ULTIMATE.start_main_~i~4 162), 44857#(<= ULTIMATE.start_main_~i~4 164), 44858#(<= ULTIMATE.start_main_~i~4 166), 44859#(<= ULTIMATE.start_main_~i~4 168), 44860#(<= ULTIMATE.start_main_~i~4 170), 44861#(<= ULTIMATE.start_main_~i~4 172), 44862#(<= ULTIMATE.start_main_~i~4 174), 44863#(<= ULTIMATE.start_main_~i~4 176), 44864#(<= ULTIMATE.start_main_~i~4 178), 44865#(<= ULTIMATE.start_main_~i~4 180), 44866#(<= ULTIMATE.start_main_~i~4 182), 44867#(<= ULTIMATE.start_main_~i~4 184), 44868#(<= ULTIMATE.start_main_~i~4 186), 44869#(<= ULTIMATE.start_main_~i~4 188), 44870#(<= ULTIMATE.start_main_~i~4 190), 44871#(<= ULTIMATE.start_main_~i~4 192), 44872#(<= ULTIMATE.start_main_~i~4 194), 44873#(<= ULTIMATE.start_main_~i~4 196), 44874#(<= ULTIMATE.start_main_~i~4 198), 44875#(<= ULTIMATE.start_main_~i~4 200), 44876#(<= ULTIMATE.start_main_~i~4 202), 44877#(<= ULTIMATE.start_main_~i~4 204), 44878#(<= ULTIMATE.start_main_~i~4 206), 44879#(<= ULTIMATE.start_main_~i~4 208), 44880#(<= ULTIMATE.start_main_~i~4 210), 44881#(<= ULTIMATE.start_main_~i~4 212), 44882#(<= ULTIMATE.start_main_~i~4 214), 44883#(<= ULTIMATE.start_main_~i~4 216), 44884#(<= ULTIMATE.start_main_~i~4 218), 44885#(<= ULTIMATE.start_main_~i~4 220), 44886#(<= ULTIMATE.start_main_~i~4 222), 44887#(<= ULTIMATE.start_main_~i~4 224), 44888#(<= ULTIMATE.start_main_~i~4 226), 44889#(<= ULTIMATE.start_main_~i~4 228), 44890#(<= ULTIMATE.start_main_~i~4 230), 44891#(<= ULTIMATE.start_main_~i~4 232), 44892#(<= ULTIMATE.start_main_~i~4 234), 44893#(<= ULTIMATE.start_main_~i~4 236), 44894#(<= ULTIMATE.start_main_~i~4 238), 44895#(<= ULTIMATE.start_main_~i~4 240), 44896#(<= ULTIMATE.start_main_~i~4 242), 44897#(<= ULTIMATE.start_main_~i~4 244), 44898#(<= ULTIMATE.start_main_~i~4 246), 44899#(<= ULTIMATE.start_main_~i~4 248), 44900#(<= ULTIMATE.start_main_~i~4 250), 44901#(<= ULTIMATE.start_main_~i~4 252), 44902#(<= ULTIMATE.start_main_~i~4 254), 44903#(<= ULTIMATE.start_main_~i~4 256), 44904#(<= ULTIMATE.start_main_~i~4 258), 44773#true, 44774#false, 44775#(<= ULTIMATE.start_main_~i~4 0), 44776#(<= ULTIMATE.start_main_~i~4 2), 44777#(<= ULTIMATE.start_main_~i~4 4), 44778#(<= ULTIMATE.start_main_~i~4 6), 44779#(<= ULTIMATE.start_main_~i~4 8), 44780#(<= ULTIMATE.start_main_~i~4 10), 44781#(<= ULTIMATE.start_main_~i~4 12), 44782#(<= ULTIMATE.start_main_~i~4 14), 44783#(<= ULTIMATE.start_main_~i~4 16), 44784#(<= ULTIMATE.start_main_~i~4 18), 44785#(<= ULTIMATE.start_main_~i~4 20), 44786#(<= ULTIMATE.start_main_~i~4 22), 44787#(<= ULTIMATE.start_main_~i~4 24), 44788#(<= ULTIMATE.start_main_~i~4 26), 44789#(<= ULTIMATE.start_main_~i~4 28), 44790#(<= ULTIMATE.start_main_~i~4 30), 44791#(<= ULTIMATE.start_main_~i~4 32), 44792#(<= ULTIMATE.start_main_~i~4 34), 44793#(<= ULTIMATE.start_main_~i~4 36), 44794#(<= ULTIMATE.start_main_~i~4 38), 44795#(<= ULTIMATE.start_main_~i~4 40), 44796#(<= ULTIMATE.start_main_~i~4 42), 44797#(<= ULTIMATE.start_main_~i~4 44), 44798#(<= ULTIMATE.start_main_~i~4 46), 44799#(<= ULTIMATE.start_main_~i~4 48)] [2018-07-23 13:38:07,127 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 13:38:07,127 INFO L450 AbstractCegarLoop]: Interpolant automaton has 132 states [2018-07-23 13:38:07,129 INFO L132 InterpolantAutomaton]: Constructing interpolant automaton starting with 132 interpolants. [2018-07-23 13:38:07,129 INFO L133 InterpolantAutomaton]: CoverageRelationStatistics Valid=8646, Invalid=8646, Unknown=0, NotChecked=0, Total=17292 [2018-07-23 13:38:07,129 INFO L87 Difference]: Start difference. First operand 133 states and 133 transitions. Second operand 132 states. [2018-07-23 13:38:07,307 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2018-07-23 13:38:07,307 INFO L93 Difference]: Finished difference Result 136 states and 136 transitions. [2018-07-23 13:38:07,307 INFO L142 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 132 states. [2018-07-23 13:38:07,307 INFO L78 Accepts]: Start accepts. Automaton has 132 states. Word has length 132 [2018-07-23 13:38:07,307 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2018-07-23 13:38:07,307 INFO L225 Difference]: With dead ends: 136 [2018-07-23 13:38:07,307 INFO L226 Difference]: Without dead ends: 134 [2018-07-23 13:38:07,308 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 13:38:07,308 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 134 states. [2018-07-23 13:38:07,310 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 134 to 134. [2018-07-23 13:38:07,310 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 134 states. [2018-07-23 13:38:07,310 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 134 states to 134 states and 134 transitions. [2018-07-23 13:38:07,310 INFO L78 Accepts]: Start accepts. Automaton has 134 states and 134 transitions. Word has length 132 [2018-07-23 13:38:07,311 INFO L84 Accepts]: Finished accepts. word is rejected. [2018-07-23 13:38:07,311 INFO L471 AbstractCegarLoop]: Abstraction has 134 states and 134 transitions. [2018-07-23 13:38:07,311 INFO L472 AbstractCegarLoop]: Interpolant automaton has 132 states. [2018-07-23 13:38:07,311 INFO L276 IsEmpty]: Start isEmpty. Operand 134 states and 134 transitions. [2018-07-23 13:38:07,311 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 134 [2018-07-23 13:38:07,311 INFO L349 BasicCegarLoop]: Found error trace [2018-07-23 13:38:07,311 INFO L357 BasicCegarLoop]: trace histogram [130, 1, 1, 1] [2018-07-23 13:38:07,311 INFO L414 AbstractCegarLoop]: === Iteration 131 === [ULTIMATE.startErr0AssertViolationASSERT]=== [2018-07-23 13:38:07,312 INFO L82 PathProgramCache]: Analyzing trace with hash -1494259167, now seen corresponding path program 130 times [2018-07-23 13:38:07,312 INFO L69 tionRefinementEngine]: Using refinement strategy FixedRefinementStrategy [2018-07-23 13:38:07,353 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-07-23 13:38:07,718 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 13:38:07,718 INFO L309 seRefinementStrategy]: Constructing automaton from 0 perfect and 1 imperfect interpolant sequences. [2018-07-23 13:38:07,718 INFO L324 seRefinementStrategy]: Number of different interpolants: perfect sequences [] imperfect sequences [132] total 132 [2018-07-23 13:38:07,719 INFO L142 lantAutomatonBuilder]: Constructing canonical interpolant automaton, with selfloop in false state [2018-07-23 13:38:07,719 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2018-07-23 13:38:07,719 INFO L185 omatonBuilderFactory]: Interpolants [45568#(<= ULTIMATE.start_main_~i~4 242), 45569#(<= ULTIMATE.start_main_~i~4 244), 45570#(<= ULTIMATE.start_main_~i~4 246), 45571#(<= ULTIMATE.start_main_~i~4 248), 45572#(<= ULTIMATE.start_main_~i~4 250), 45573#(<= ULTIMATE.start_main_~i~4 252), 45574#(<= ULTIMATE.start_main_~i~4 254), 45575#(<= ULTIMATE.start_main_~i~4 256), 45576#(<= ULTIMATE.start_main_~i~4 258), 45577#(<= ULTIMATE.start_main_~i~4 260), 45445#true, 45446#false, 45447#(<= ULTIMATE.start_main_~i~4 0), 45448#(<= ULTIMATE.start_main_~i~4 2), 45449#(<= ULTIMATE.start_main_~i~4 4), 45450#(<= ULTIMATE.start_main_~i~4 6), 45451#(<= ULTIMATE.start_main_~i~4 8), 45452#(<= ULTIMATE.start_main_~i~4 10), 45453#(<= ULTIMATE.start_main_~i~4 12), 45454#(<= ULTIMATE.start_main_~i~4 14), 45455#(<= ULTIMATE.start_main_~i~4 16), 45456#(<= ULTIMATE.start_main_~i~4 18), 45457#(<= ULTIMATE.start_main_~i~4 20), 45458#(<= ULTIMATE.start_main_~i~4 22), 45459#(<= ULTIMATE.start_main_~i~4 24), 45460#(<= ULTIMATE.start_main_~i~4 26), 45461#(<= ULTIMATE.start_main_~i~4 28), 45462#(<= ULTIMATE.start_main_~i~4 30), 45463#(<= ULTIMATE.start_main_~i~4 32), 45464#(<= ULTIMATE.start_main_~i~4 34), 45465#(<= ULTIMATE.start_main_~i~4 36), 45466#(<= ULTIMATE.start_main_~i~4 38), 45467#(<= ULTIMATE.start_main_~i~4 40), 45468#(<= ULTIMATE.start_main_~i~4 42), 45469#(<= ULTIMATE.start_main_~i~4 44), 45470#(<= ULTIMATE.start_main_~i~4 46), 45471#(<= ULTIMATE.start_main_~i~4 48), 45472#(<= ULTIMATE.start_main_~i~4 50), 45473#(<= ULTIMATE.start_main_~i~4 52), 45474#(<= ULTIMATE.start_main_~i~4 54), 45475#(<= ULTIMATE.start_main_~i~4 56), 45476#(<= ULTIMATE.start_main_~i~4 58), 45477#(<= ULTIMATE.start_main_~i~4 60), 45478#(<= ULTIMATE.start_main_~i~4 62), 45479#(<= ULTIMATE.start_main_~i~4 64), 45480#(<= ULTIMATE.start_main_~i~4 66), 45481#(<= ULTIMATE.start_main_~i~4 68), 45482#(<= ULTIMATE.start_main_~i~4 70), 45483#(<= ULTIMATE.start_main_~i~4 72), 45484#(<= ULTIMATE.start_main_~i~4 74), 45485#(<= ULTIMATE.start_main_~i~4 76), 45486#(<= ULTIMATE.start_main_~i~4 78), 45487#(<= ULTIMATE.start_main_~i~4 80), 45488#(<= ULTIMATE.start_main_~i~4 82), 45489#(<= ULTIMATE.start_main_~i~4 84), 45490#(<= ULTIMATE.start_main_~i~4 86), 45491#(<= ULTIMATE.start_main_~i~4 88), 45492#(<= ULTIMATE.start_main_~i~4 90), 45493#(<= ULTIMATE.start_main_~i~4 92), 45494#(<= ULTIMATE.start_main_~i~4 94), 45495#(<= ULTIMATE.start_main_~i~4 96), 45496#(<= ULTIMATE.start_main_~i~4 98), 45497#(<= ULTIMATE.start_main_~i~4 100), 45498#(<= ULTIMATE.start_main_~i~4 102), 45499#(<= ULTIMATE.start_main_~i~4 104), 45500#(<= ULTIMATE.start_main_~i~4 106), 45501#(<= ULTIMATE.start_main_~i~4 108), 45502#(<= ULTIMATE.start_main_~i~4 110), 45503#(<= ULTIMATE.start_main_~i~4 112), 45504#(<= ULTIMATE.start_main_~i~4 114), 45505#(<= ULTIMATE.start_main_~i~4 116), 45506#(<= ULTIMATE.start_main_~i~4 118), 45507#(<= ULTIMATE.start_main_~i~4 120), 45508#(<= ULTIMATE.start_main_~i~4 122), 45509#(<= ULTIMATE.start_main_~i~4 124), 45510#(<= ULTIMATE.start_main_~i~4 126), 45511#(<= ULTIMATE.start_main_~i~4 128), 45512#(<= ULTIMATE.start_main_~i~4 130), 45513#(<= ULTIMATE.start_main_~i~4 132), 45514#(<= ULTIMATE.start_main_~i~4 134), 45515#(<= ULTIMATE.start_main_~i~4 136), 45516#(<= ULTIMATE.start_main_~i~4 138), 45517#(<= ULTIMATE.start_main_~i~4 140), 45518#(<= ULTIMATE.start_main_~i~4 142), 45519#(<= ULTIMATE.start_main_~i~4 144), 45520#(<= ULTIMATE.start_main_~i~4 146), 45521#(<= ULTIMATE.start_main_~i~4 148), 45522#(<= ULTIMATE.start_main_~i~4 150), 45523#(<= ULTIMATE.start_main_~i~4 152), 45524#(<= ULTIMATE.start_main_~i~4 154), 45525#(<= ULTIMATE.start_main_~i~4 156), 45526#(<= ULTIMATE.start_main_~i~4 158), 45527#(<= ULTIMATE.start_main_~i~4 160), 45528#(<= ULTIMATE.start_main_~i~4 162), 45529#(<= ULTIMATE.start_main_~i~4 164), 45530#(<= ULTIMATE.start_main_~i~4 166), 45531#(<= ULTIMATE.start_main_~i~4 168), 45532#(<= ULTIMATE.start_main_~i~4 170), 45533#(<= ULTIMATE.start_main_~i~4 172), 45534#(<= ULTIMATE.start_main_~i~4 174), 45535#(<= ULTIMATE.start_main_~i~4 176), 45536#(<= ULTIMATE.start_main_~i~4 178), 45537#(<= ULTIMATE.start_main_~i~4 180), 45538#(<= ULTIMATE.start_main_~i~4 182), 45539#(<= ULTIMATE.start_main_~i~4 184), 45540#(<= ULTIMATE.start_main_~i~4 186), 45541#(<= ULTIMATE.start_main_~i~4 188), 45542#(<= ULTIMATE.start_main_~i~4 190), 45543#(<= ULTIMATE.start_main_~i~4 192), 45544#(<= ULTIMATE.start_main_~i~4 194), 45545#(<= ULTIMATE.start_main_~i~4 196), 45546#(<= ULTIMATE.start_main_~i~4 198), 45547#(<= ULTIMATE.start_main_~i~4 200), 45548#(<= ULTIMATE.start_main_~i~4 202), 45549#(<= ULTIMATE.start_main_~i~4 204), 45550#(<= ULTIMATE.start_main_~i~4 206), 45551#(<= ULTIMATE.start_main_~i~4 208), 45552#(<= ULTIMATE.start_main_~i~4 210), 45553#(<= ULTIMATE.start_main_~i~4 212), 45554#(<= ULTIMATE.start_main_~i~4 214), 45555#(<= ULTIMATE.start_main_~i~4 216), 45556#(<= ULTIMATE.start_main_~i~4 218), 45557#(<= ULTIMATE.start_main_~i~4 220), 45558#(<= ULTIMATE.start_main_~i~4 222), 45559#(<= ULTIMATE.start_main_~i~4 224), 45560#(<= ULTIMATE.start_main_~i~4 226), 45561#(<= ULTIMATE.start_main_~i~4 228), 45562#(<= ULTIMATE.start_main_~i~4 230), 45563#(<= ULTIMATE.start_main_~i~4 232), 45564#(<= ULTIMATE.start_main_~i~4 234), 45565#(<= ULTIMATE.start_main_~i~4 236), 45566#(<= ULTIMATE.start_main_~i~4 238), 45567#(<= ULTIMATE.start_main_~i~4 240)] [2018-07-23 13:38:07,719 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 13:38:07,720 INFO L450 AbstractCegarLoop]: Interpolant automaton has 133 states [2018-07-23 13:38:07,721 INFO L132 InterpolantAutomaton]: Constructing interpolant automaton starting with 133 interpolants. [2018-07-23 13:38:07,721 INFO L133 InterpolantAutomaton]: CoverageRelationStatistics Valid=8778, Invalid=8778, Unknown=0, NotChecked=0, Total=17556 [2018-07-23 13:38:07,721 INFO L87 Difference]: Start difference. First operand 134 states and 134 transitions. Second operand 133 states. [2018-07-23 13:38:07,879 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2018-07-23 13:38:07,879 INFO L93 Difference]: Finished difference Result 137 states and 137 transitions. [2018-07-23 13:38:07,879 INFO L142 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 133 states. [2018-07-23 13:38:07,879 INFO L78 Accepts]: Start accepts. Automaton has 133 states. Word has length 133 [2018-07-23 13:38:07,879 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2018-07-23 13:38:07,880 INFO L225 Difference]: With dead ends: 137 [2018-07-23 13:38:07,880 INFO L226 Difference]: Without dead ends: 135 [2018-07-23 13:38:07,881 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 13:38:07,881 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 135 states. [2018-07-23 13:38:07,883 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 135 to 135. [2018-07-23 13:38:07,883 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 135 states. [2018-07-23 13:38:07,883 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 135 states to 135 states and 135 transitions. [2018-07-23 13:38:07,883 INFO L78 Accepts]: Start accepts. Automaton has 135 states and 135 transitions. Word has length 133 [2018-07-23 13:38:07,884 INFO L84 Accepts]: Finished accepts. word is rejected. [2018-07-23 13:38:07,884 INFO L471 AbstractCegarLoop]: Abstraction has 135 states and 135 transitions. [2018-07-23 13:38:07,884 INFO L472 AbstractCegarLoop]: Interpolant automaton has 133 states. [2018-07-23 13:38:07,884 INFO L276 IsEmpty]: Start isEmpty. Operand 135 states and 135 transitions. [2018-07-23 13:38:07,884 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 135 [2018-07-23 13:38:07,884 INFO L349 BasicCegarLoop]: Found error trace [2018-07-23 13:38:07,885 INFO L357 BasicCegarLoop]: trace histogram [131, 1, 1, 1] [2018-07-23 13:38:07,885 INFO L414 AbstractCegarLoop]: === Iteration 132 === [ULTIMATE.startErr0AssertViolationASSERT]=== [2018-07-23 13:38:07,885 INFO L82 PathProgramCache]: Analyzing trace with hash 922604104, now seen corresponding path program 131 times [2018-07-23 13:38:07,885 INFO L69 tionRefinementEngine]: Using refinement strategy FixedRefinementStrategy [2018-07-23 13:38:07,934 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-07-23 13:38:08,317 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 13:38:08,318 INFO L309 seRefinementStrategy]: Constructing automaton from 0 perfect and 1 imperfect interpolant sequences. [2018-07-23 13:38:08,318 INFO L324 seRefinementStrategy]: Number of different interpolants: perfect sequences [] imperfect sequences [133] total 133 [2018-07-23 13:38:08,318 INFO L142 lantAutomatonBuilder]: Constructing canonical interpolant automaton, with selfloop in false state [2018-07-23 13:38:08,318 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2018-07-23 13:38:08,318 INFO L185 omatonBuilderFactory]: Interpolants [46122#true, 46123#false, 46124#(<= ULTIMATE.start_main_~i~4 0), 46125#(<= ULTIMATE.start_main_~i~4 2), 46126#(<= ULTIMATE.start_main_~i~4 4), 46127#(<= ULTIMATE.start_main_~i~4 6), 46128#(<= ULTIMATE.start_main_~i~4 8), 46129#(<= ULTIMATE.start_main_~i~4 10), 46130#(<= ULTIMATE.start_main_~i~4 12), 46131#(<= ULTIMATE.start_main_~i~4 14), 46132#(<= ULTIMATE.start_main_~i~4 16), 46133#(<= ULTIMATE.start_main_~i~4 18), 46134#(<= ULTIMATE.start_main_~i~4 20), 46135#(<= ULTIMATE.start_main_~i~4 22), 46136#(<= ULTIMATE.start_main_~i~4 24), 46137#(<= ULTIMATE.start_main_~i~4 26), 46138#(<= ULTIMATE.start_main_~i~4 28), 46139#(<= ULTIMATE.start_main_~i~4 30), 46140#(<= ULTIMATE.start_main_~i~4 32), 46141#(<= ULTIMATE.start_main_~i~4 34), 46142#(<= ULTIMATE.start_main_~i~4 36), 46143#(<= ULTIMATE.start_main_~i~4 38), 46144#(<= ULTIMATE.start_main_~i~4 40), 46145#(<= ULTIMATE.start_main_~i~4 42), 46146#(<= ULTIMATE.start_main_~i~4 44), 46147#(<= ULTIMATE.start_main_~i~4 46), 46148#(<= ULTIMATE.start_main_~i~4 48), 46149#(<= ULTIMATE.start_main_~i~4 50), 46150#(<= ULTIMATE.start_main_~i~4 52), 46151#(<= ULTIMATE.start_main_~i~4 54), 46152#(<= ULTIMATE.start_main_~i~4 56), 46153#(<= ULTIMATE.start_main_~i~4 58), 46154#(<= ULTIMATE.start_main_~i~4 60), 46155#(<= ULTIMATE.start_main_~i~4 62), 46156#(<= ULTIMATE.start_main_~i~4 64), 46157#(<= ULTIMATE.start_main_~i~4 66), 46158#(<= ULTIMATE.start_main_~i~4 68), 46159#(<= ULTIMATE.start_main_~i~4 70), 46160#(<= ULTIMATE.start_main_~i~4 72), 46161#(<= ULTIMATE.start_main_~i~4 74), 46162#(<= ULTIMATE.start_main_~i~4 76), 46163#(<= ULTIMATE.start_main_~i~4 78), 46164#(<= ULTIMATE.start_main_~i~4 80), 46165#(<= ULTIMATE.start_main_~i~4 82), 46166#(<= ULTIMATE.start_main_~i~4 84), 46167#(<= ULTIMATE.start_main_~i~4 86), 46168#(<= ULTIMATE.start_main_~i~4 88), 46169#(<= ULTIMATE.start_main_~i~4 90), 46170#(<= ULTIMATE.start_main_~i~4 92), 46171#(<= ULTIMATE.start_main_~i~4 94), 46172#(<= ULTIMATE.start_main_~i~4 96), 46173#(<= ULTIMATE.start_main_~i~4 98), 46174#(<= ULTIMATE.start_main_~i~4 100), 46175#(<= ULTIMATE.start_main_~i~4 102), 46176#(<= ULTIMATE.start_main_~i~4 104), 46177#(<= ULTIMATE.start_main_~i~4 106), 46178#(<= ULTIMATE.start_main_~i~4 108), 46179#(<= ULTIMATE.start_main_~i~4 110), 46180#(<= ULTIMATE.start_main_~i~4 112), 46181#(<= ULTIMATE.start_main_~i~4 114), 46182#(<= ULTIMATE.start_main_~i~4 116), 46183#(<= ULTIMATE.start_main_~i~4 118), 46184#(<= ULTIMATE.start_main_~i~4 120), 46185#(<= ULTIMATE.start_main_~i~4 122), 46186#(<= ULTIMATE.start_main_~i~4 124), 46187#(<= ULTIMATE.start_main_~i~4 126), 46188#(<= ULTIMATE.start_main_~i~4 128), 46189#(<= ULTIMATE.start_main_~i~4 130), 46190#(<= ULTIMATE.start_main_~i~4 132), 46191#(<= ULTIMATE.start_main_~i~4 134), 46192#(<= ULTIMATE.start_main_~i~4 136), 46193#(<= ULTIMATE.start_main_~i~4 138), 46194#(<= ULTIMATE.start_main_~i~4 140), 46195#(<= ULTIMATE.start_main_~i~4 142), 46196#(<= ULTIMATE.start_main_~i~4 144), 46197#(<= ULTIMATE.start_main_~i~4 146), 46198#(<= ULTIMATE.start_main_~i~4 148), 46199#(<= ULTIMATE.start_main_~i~4 150), 46200#(<= ULTIMATE.start_main_~i~4 152), 46201#(<= ULTIMATE.start_main_~i~4 154), 46202#(<= ULTIMATE.start_main_~i~4 156), 46203#(<= ULTIMATE.start_main_~i~4 158), 46204#(<= ULTIMATE.start_main_~i~4 160), 46205#(<= ULTIMATE.start_main_~i~4 162), 46206#(<= ULTIMATE.start_main_~i~4 164), 46207#(<= ULTIMATE.start_main_~i~4 166), 46208#(<= ULTIMATE.start_main_~i~4 168), 46209#(<= ULTIMATE.start_main_~i~4 170), 46210#(<= ULTIMATE.start_main_~i~4 172), 46211#(<= ULTIMATE.start_main_~i~4 174), 46212#(<= ULTIMATE.start_main_~i~4 176), 46213#(<= ULTIMATE.start_main_~i~4 178), 46214#(<= ULTIMATE.start_main_~i~4 180), 46215#(<= ULTIMATE.start_main_~i~4 182), 46216#(<= ULTIMATE.start_main_~i~4 184), 46217#(<= ULTIMATE.start_main_~i~4 186), 46218#(<= ULTIMATE.start_main_~i~4 188), 46219#(<= ULTIMATE.start_main_~i~4 190), 46220#(<= ULTIMATE.start_main_~i~4 192), 46221#(<= ULTIMATE.start_main_~i~4 194), 46222#(<= ULTIMATE.start_main_~i~4 196), 46223#(<= ULTIMATE.start_main_~i~4 198), 46224#(<= ULTIMATE.start_main_~i~4 200), 46225#(<= ULTIMATE.start_main_~i~4 202), 46226#(<= ULTIMATE.start_main_~i~4 204), 46227#(<= ULTIMATE.start_main_~i~4 206), 46228#(<= ULTIMATE.start_main_~i~4 208), 46229#(<= ULTIMATE.start_main_~i~4 210), 46230#(<= ULTIMATE.start_main_~i~4 212), 46231#(<= ULTIMATE.start_main_~i~4 214), 46232#(<= ULTIMATE.start_main_~i~4 216), 46233#(<= ULTIMATE.start_main_~i~4 218), 46234#(<= ULTIMATE.start_main_~i~4 220), 46235#(<= ULTIMATE.start_main_~i~4 222), 46236#(<= ULTIMATE.start_main_~i~4 224), 46237#(<= ULTIMATE.start_main_~i~4 226), 46238#(<= ULTIMATE.start_main_~i~4 228), 46239#(<= ULTIMATE.start_main_~i~4 230), 46240#(<= ULTIMATE.start_main_~i~4 232), 46241#(<= ULTIMATE.start_main_~i~4 234), 46242#(<= ULTIMATE.start_main_~i~4 236), 46243#(<= ULTIMATE.start_main_~i~4 238), 46244#(<= ULTIMATE.start_main_~i~4 240), 46245#(<= ULTIMATE.start_main_~i~4 242), 46246#(<= ULTIMATE.start_main_~i~4 244), 46247#(<= ULTIMATE.start_main_~i~4 246), 46248#(<= ULTIMATE.start_main_~i~4 248), 46249#(<= ULTIMATE.start_main_~i~4 250), 46250#(<= ULTIMATE.start_main_~i~4 252), 46251#(<= ULTIMATE.start_main_~i~4 254), 46252#(<= ULTIMATE.start_main_~i~4 256), 46253#(<= ULTIMATE.start_main_~i~4 258), 46254#(<= ULTIMATE.start_main_~i~4 260), 46255#(<= ULTIMATE.start_main_~i~4 262)] [2018-07-23 13:38:08,319 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 13:38:08,319 INFO L450 AbstractCegarLoop]: Interpolant automaton has 134 states [2018-07-23 13:38:08,320 INFO L132 InterpolantAutomaton]: Constructing interpolant automaton starting with 134 interpolants. [2018-07-23 13:38:08,320 INFO L133 InterpolantAutomaton]: CoverageRelationStatistics Valid=8911, Invalid=8911, Unknown=0, NotChecked=0, Total=17822 [2018-07-23 13:38:08,321 INFO L87 Difference]: Start difference. First operand 135 states and 135 transitions. Second operand 134 states. [2018-07-23 13:38:08,592 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2018-07-23 13:38:08,593 INFO L93 Difference]: Finished difference Result 138 states and 138 transitions. [2018-07-23 13:38:08,593 INFO L142 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 134 states. [2018-07-23 13:38:08,593 INFO L78 Accepts]: Start accepts. Automaton has 134 states. Word has length 134 [2018-07-23 13:38:08,593 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2018-07-23 13:38:08,594 INFO L225 Difference]: With dead ends: 138 [2018-07-23 13:38:08,594 INFO L226 Difference]: Without dead ends: 136 [2018-07-23 13:38:08,595 INFO L575 BasicCegarLoop]: 0 DeclaredPredicates, 133 GetRequests, 1 SyntacticMatches, 0 SemanticMatches, 132 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 0 ImplicationChecksByTransitivity, 0.3s TimeCoverageRelationStatistics Valid=8911, Invalid=8911, Unknown=0, NotChecked=0, Total=17822 [2018-07-23 13:38:08,595 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 136 states. [2018-07-23 13:38:08,597 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 136 to 136. [2018-07-23 13:38:08,598 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 136 states. [2018-07-23 13:38:08,598 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 136 states to 136 states and 136 transitions. [2018-07-23 13:38:08,598 INFO L78 Accepts]: Start accepts. Automaton has 136 states and 136 transitions. Word has length 134 [2018-07-23 13:38:08,598 INFO L84 Accepts]: Finished accepts. word is rejected. [2018-07-23 13:38:08,598 INFO L471 AbstractCegarLoop]: Abstraction has 136 states and 136 transitions. [2018-07-23 13:38:08,598 INFO L472 AbstractCegarLoop]: Interpolant automaton has 134 states. [2018-07-23 13:38:08,599 INFO L276 IsEmpty]: Start isEmpty. Operand 136 states and 136 transitions. [2018-07-23 13:38:08,599 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 136 [2018-07-23 13:38:08,599 INFO L349 BasicCegarLoop]: Found error trace [2018-07-23 13:38:08,599 INFO L357 BasicCegarLoop]: trace histogram [132, 1, 1, 1] [2018-07-23 13:38:08,600 INFO L414 AbstractCegarLoop]: === Iteration 133 === [ULTIMATE.startErr0AssertViolationASSERT]=== [2018-07-23 13:38:08,600 INFO L82 PathProgramCache]: Analyzing trace with hash -1464045823, now seen corresponding path program 132 times [2018-07-23 13:38:08,600 INFO L69 tionRefinementEngine]: Using refinement strategy FixedRefinementStrategy [2018-07-23 13:38:08,681 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-07-23 13:38:09,176 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 13:38:09,177 INFO L309 seRefinementStrategy]: Constructing automaton from 0 perfect and 1 imperfect interpolant sequences. [2018-07-23 13:38:09,177 INFO L324 seRefinementStrategy]: Number of different interpolants: perfect sequences [] imperfect sequences [134] total 134 [2018-07-23 13:38:09,177 INFO L142 lantAutomatonBuilder]: Constructing canonical interpolant automaton, with selfloop in false state [2018-07-23 13:38:09,177 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2018-07-23 13:38:09,177 INFO L185 omatonBuilderFactory]: Interpolants [46848#(<= ULTIMATE.start_main_~i~4 84), 46849#(<= ULTIMATE.start_main_~i~4 86), 46850#(<= ULTIMATE.start_main_~i~4 88), 46851#(<= ULTIMATE.start_main_~i~4 90), 46852#(<= ULTIMATE.start_main_~i~4 92), 46853#(<= ULTIMATE.start_main_~i~4 94), 46854#(<= ULTIMATE.start_main_~i~4 96), 46855#(<= ULTIMATE.start_main_~i~4 98), 46856#(<= ULTIMATE.start_main_~i~4 100), 46857#(<= ULTIMATE.start_main_~i~4 102), 46858#(<= ULTIMATE.start_main_~i~4 104), 46859#(<= ULTIMATE.start_main_~i~4 106), 46860#(<= ULTIMATE.start_main_~i~4 108), 46861#(<= ULTIMATE.start_main_~i~4 110), 46862#(<= ULTIMATE.start_main_~i~4 112), 46863#(<= ULTIMATE.start_main_~i~4 114), 46864#(<= ULTIMATE.start_main_~i~4 116), 46865#(<= ULTIMATE.start_main_~i~4 118), 46866#(<= ULTIMATE.start_main_~i~4 120), 46867#(<= ULTIMATE.start_main_~i~4 122), 46868#(<= ULTIMATE.start_main_~i~4 124), 46869#(<= ULTIMATE.start_main_~i~4 126), 46870#(<= ULTIMATE.start_main_~i~4 128), 46871#(<= ULTIMATE.start_main_~i~4 130), 46872#(<= ULTIMATE.start_main_~i~4 132), 46873#(<= ULTIMATE.start_main_~i~4 134), 46874#(<= ULTIMATE.start_main_~i~4 136), 46875#(<= ULTIMATE.start_main_~i~4 138), 46876#(<= ULTIMATE.start_main_~i~4 140), 46877#(<= ULTIMATE.start_main_~i~4 142), 46878#(<= ULTIMATE.start_main_~i~4 144), 46879#(<= ULTIMATE.start_main_~i~4 146), 46880#(<= ULTIMATE.start_main_~i~4 148), 46881#(<= ULTIMATE.start_main_~i~4 150), 46882#(<= ULTIMATE.start_main_~i~4 152), 46883#(<= ULTIMATE.start_main_~i~4 154), 46884#(<= ULTIMATE.start_main_~i~4 156), 46885#(<= ULTIMATE.start_main_~i~4 158), 46886#(<= ULTIMATE.start_main_~i~4 160), 46887#(<= ULTIMATE.start_main_~i~4 162), 46888#(<= ULTIMATE.start_main_~i~4 164), 46889#(<= ULTIMATE.start_main_~i~4 166), 46890#(<= ULTIMATE.start_main_~i~4 168), 46891#(<= ULTIMATE.start_main_~i~4 170), 46892#(<= ULTIMATE.start_main_~i~4 172), 46893#(<= ULTIMATE.start_main_~i~4 174), 46894#(<= ULTIMATE.start_main_~i~4 176), 46895#(<= ULTIMATE.start_main_~i~4 178), 46896#(<= ULTIMATE.start_main_~i~4 180), 46897#(<= ULTIMATE.start_main_~i~4 182), 46898#(<= ULTIMATE.start_main_~i~4 184), 46899#(<= ULTIMATE.start_main_~i~4 186), 46900#(<= ULTIMATE.start_main_~i~4 188), 46901#(<= ULTIMATE.start_main_~i~4 190), 46902#(<= ULTIMATE.start_main_~i~4 192), 46903#(<= ULTIMATE.start_main_~i~4 194), 46904#(<= ULTIMATE.start_main_~i~4 196), 46905#(<= ULTIMATE.start_main_~i~4 198), 46906#(<= ULTIMATE.start_main_~i~4 200), 46907#(<= ULTIMATE.start_main_~i~4 202), 46908#(<= ULTIMATE.start_main_~i~4 204), 46909#(<= ULTIMATE.start_main_~i~4 206), 46910#(<= ULTIMATE.start_main_~i~4 208), 46911#(<= ULTIMATE.start_main_~i~4 210), 46912#(<= ULTIMATE.start_main_~i~4 212), 46913#(<= ULTIMATE.start_main_~i~4 214), 46914#(<= ULTIMATE.start_main_~i~4 216), 46915#(<= ULTIMATE.start_main_~i~4 218), 46916#(<= ULTIMATE.start_main_~i~4 220), 46917#(<= ULTIMATE.start_main_~i~4 222), 46918#(<= ULTIMATE.start_main_~i~4 224), 46919#(<= ULTIMATE.start_main_~i~4 226), 46920#(<= ULTIMATE.start_main_~i~4 228), 46921#(<= ULTIMATE.start_main_~i~4 230), 46922#(<= ULTIMATE.start_main_~i~4 232), 46923#(<= ULTIMATE.start_main_~i~4 234), 46924#(<= ULTIMATE.start_main_~i~4 236), 46925#(<= ULTIMATE.start_main_~i~4 238), 46926#(<= ULTIMATE.start_main_~i~4 240), 46927#(<= ULTIMATE.start_main_~i~4 242), 46928#(<= ULTIMATE.start_main_~i~4 244), 46929#(<= ULTIMATE.start_main_~i~4 246), 46930#(<= ULTIMATE.start_main_~i~4 248), 46931#(<= ULTIMATE.start_main_~i~4 250), 46932#(<= ULTIMATE.start_main_~i~4 252), 46933#(<= ULTIMATE.start_main_~i~4 254), 46934#(<= ULTIMATE.start_main_~i~4 256), 46935#(<= ULTIMATE.start_main_~i~4 258), 46936#(<= ULTIMATE.start_main_~i~4 260), 46937#(<= ULTIMATE.start_main_~i~4 262), 46938#(<= ULTIMATE.start_main_~i~4 264), 46804#true, 46805#false, 46806#(<= ULTIMATE.start_main_~i~4 0), 46807#(<= ULTIMATE.start_main_~i~4 2), 46808#(<= ULTIMATE.start_main_~i~4 4), 46809#(<= ULTIMATE.start_main_~i~4 6), 46810#(<= ULTIMATE.start_main_~i~4 8), 46811#(<= ULTIMATE.start_main_~i~4 10), 46812#(<= ULTIMATE.start_main_~i~4 12), 46813#(<= ULTIMATE.start_main_~i~4 14), 46814#(<= ULTIMATE.start_main_~i~4 16), 46815#(<= ULTIMATE.start_main_~i~4 18), 46816#(<= ULTIMATE.start_main_~i~4 20), 46817#(<= ULTIMATE.start_main_~i~4 22), 46818#(<= ULTIMATE.start_main_~i~4 24), 46819#(<= ULTIMATE.start_main_~i~4 26), 46820#(<= ULTIMATE.start_main_~i~4 28), 46821#(<= ULTIMATE.start_main_~i~4 30), 46822#(<= ULTIMATE.start_main_~i~4 32), 46823#(<= ULTIMATE.start_main_~i~4 34), 46824#(<= ULTIMATE.start_main_~i~4 36), 46825#(<= ULTIMATE.start_main_~i~4 38), 46826#(<= ULTIMATE.start_main_~i~4 40), 46827#(<= ULTIMATE.start_main_~i~4 42), 46828#(<= ULTIMATE.start_main_~i~4 44), 46829#(<= ULTIMATE.start_main_~i~4 46), 46830#(<= ULTIMATE.start_main_~i~4 48), 46831#(<= ULTIMATE.start_main_~i~4 50), 46832#(<= ULTIMATE.start_main_~i~4 52), 46833#(<= ULTIMATE.start_main_~i~4 54), 46834#(<= ULTIMATE.start_main_~i~4 56), 46835#(<= ULTIMATE.start_main_~i~4 58), 46836#(<= ULTIMATE.start_main_~i~4 60), 46837#(<= ULTIMATE.start_main_~i~4 62), 46838#(<= ULTIMATE.start_main_~i~4 64), 46839#(<= ULTIMATE.start_main_~i~4 66), 46840#(<= ULTIMATE.start_main_~i~4 68), 46841#(<= ULTIMATE.start_main_~i~4 70), 46842#(<= ULTIMATE.start_main_~i~4 72), 46843#(<= ULTIMATE.start_main_~i~4 74), 46844#(<= ULTIMATE.start_main_~i~4 76), 46845#(<= ULTIMATE.start_main_~i~4 78), 46846#(<= ULTIMATE.start_main_~i~4 80), 46847#(<= ULTIMATE.start_main_~i~4 82)] [2018-07-23 13:38:09,178 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 13:38:09,178 INFO L450 AbstractCegarLoop]: Interpolant automaton has 135 states [2018-07-23 13:38:09,180 INFO L132 InterpolantAutomaton]: Constructing interpolant automaton starting with 135 interpolants. [2018-07-23 13:38:09,180 INFO L133 InterpolantAutomaton]: CoverageRelationStatistics Valid=9045, Invalid=9045, Unknown=0, NotChecked=0, Total=18090 [2018-07-23 13:38:09,180 INFO L87 Difference]: Start difference. First operand 136 states and 136 transitions. Second operand 135 states. [2018-07-23 13:38:09,315 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2018-07-23 13:38:09,315 INFO L93 Difference]: Finished difference Result 139 states and 139 transitions. [2018-07-23 13:38:09,316 INFO L142 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 135 states. [2018-07-23 13:38:09,316 INFO L78 Accepts]: Start accepts. Automaton has 135 states. Word has length 135 [2018-07-23 13:38:09,316 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2018-07-23 13:38:09,316 INFO L225 Difference]: With dead ends: 139 [2018-07-23 13:38:09,316 INFO L226 Difference]: Without dead ends: 137 [2018-07-23 13:38:09,317 INFO L575 BasicCegarLoop]: 0 DeclaredPredicates, 134 GetRequests, 1 SyntacticMatches, 0 SemanticMatches, 133 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 0 ImplicationChecksByTransitivity, 0.4s TimeCoverageRelationStatistics Valid=9045, Invalid=9045, Unknown=0, NotChecked=0, Total=18090 [2018-07-23 13:38:09,317 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 137 states. [2018-07-23 13:38:09,319 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 137 to 137. [2018-07-23 13:38:09,319 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 137 states. [2018-07-23 13:38:09,319 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 137 states to 137 states and 137 transitions. [2018-07-23 13:38:09,320 INFO L78 Accepts]: Start accepts. Automaton has 137 states and 137 transitions. Word has length 135 [2018-07-23 13:38:09,320 INFO L84 Accepts]: Finished accepts. word is rejected. [2018-07-23 13:38:09,320 INFO L471 AbstractCegarLoop]: Abstraction has 137 states and 137 transitions. [2018-07-23 13:38:09,320 INFO L472 AbstractCegarLoop]: Interpolant automaton has 135 states. [2018-07-23 13:38:09,320 INFO L276 IsEmpty]: Start isEmpty. Operand 137 states and 137 transitions. [2018-07-23 13:38:09,321 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 137 [2018-07-23 13:38:09,321 INFO L349 BasicCegarLoop]: Found error trace [2018-07-23 13:38:09,321 INFO L357 BasicCegarLoop]: trace histogram [133, 1, 1, 1] [2018-07-23 13:38:09,321 INFO L414 AbstractCegarLoop]: === Iteration 134 === [ULTIMATE.startErr0AssertViolationASSERT]=== [2018-07-23 13:38:09,321 INFO L82 PathProgramCache]: Analyzing trace with hash 1859217768, now seen corresponding path program 133 times [2018-07-23 13:38:09,321 INFO L69 tionRefinementEngine]: Using refinement strategy FixedRefinementStrategy [2018-07-23 13:38:09,376 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-07-23 13:38:09,747 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 13:38:09,748 INFO L309 seRefinementStrategy]: Constructing automaton from 0 perfect and 1 imperfect interpolant sequences. [2018-07-23 13:38:09,748 INFO L324 seRefinementStrategy]: Number of different interpolants: perfect sequences [] imperfect sequences [135] total 135 [2018-07-23 13:38:09,748 INFO L142 lantAutomatonBuilder]: Constructing canonical interpolant automaton, with selfloop in false state [2018-07-23 13:38:09,748 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2018-07-23 13:38:09,749 INFO L185 omatonBuilderFactory]: Interpolants [47616#(<= ULTIMATE.start_main_~i~4 246), 47617#(<= ULTIMATE.start_main_~i~4 248), 47618#(<= ULTIMATE.start_main_~i~4 250), 47619#(<= ULTIMATE.start_main_~i~4 252), 47620#(<= ULTIMATE.start_main_~i~4 254), 47621#(<= ULTIMATE.start_main_~i~4 256), 47622#(<= ULTIMATE.start_main_~i~4 258), 47623#(<= ULTIMATE.start_main_~i~4 260), 47624#(<= ULTIMATE.start_main_~i~4 262), 47625#(<= ULTIMATE.start_main_~i~4 264), 47626#(<= ULTIMATE.start_main_~i~4 266), 47491#true, 47492#false, 47493#(<= ULTIMATE.start_main_~i~4 0), 47494#(<= ULTIMATE.start_main_~i~4 2), 47495#(<= ULTIMATE.start_main_~i~4 4), 47496#(<= ULTIMATE.start_main_~i~4 6), 47497#(<= ULTIMATE.start_main_~i~4 8), 47498#(<= ULTIMATE.start_main_~i~4 10), 47499#(<= ULTIMATE.start_main_~i~4 12), 47500#(<= ULTIMATE.start_main_~i~4 14), 47501#(<= ULTIMATE.start_main_~i~4 16), 47502#(<= ULTIMATE.start_main_~i~4 18), 47503#(<= ULTIMATE.start_main_~i~4 20), 47504#(<= ULTIMATE.start_main_~i~4 22), 47505#(<= ULTIMATE.start_main_~i~4 24), 47506#(<= ULTIMATE.start_main_~i~4 26), 47507#(<= ULTIMATE.start_main_~i~4 28), 47508#(<= ULTIMATE.start_main_~i~4 30), 47509#(<= ULTIMATE.start_main_~i~4 32), 47510#(<= ULTIMATE.start_main_~i~4 34), 47511#(<= ULTIMATE.start_main_~i~4 36), 47512#(<= ULTIMATE.start_main_~i~4 38), 47513#(<= ULTIMATE.start_main_~i~4 40), 47514#(<= ULTIMATE.start_main_~i~4 42), 47515#(<= ULTIMATE.start_main_~i~4 44), 47516#(<= ULTIMATE.start_main_~i~4 46), 47517#(<= ULTIMATE.start_main_~i~4 48), 47518#(<= ULTIMATE.start_main_~i~4 50), 47519#(<= ULTIMATE.start_main_~i~4 52), 47520#(<= ULTIMATE.start_main_~i~4 54), 47521#(<= ULTIMATE.start_main_~i~4 56), 47522#(<= ULTIMATE.start_main_~i~4 58), 47523#(<= ULTIMATE.start_main_~i~4 60), 47524#(<= ULTIMATE.start_main_~i~4 62), 47525#(<= ULTIMATE.start_main_~i~4 64), 47526#(<= ULTIMATE.start_main_~i~4 66), 47527#(<= ULTIMATE.start_main_~i~4 68), 47528#(<= ULTIMATE.start_main_~i~4 70), 47529#(<= ULTIMATE.start_main_~i~4 72), 47530#(<= ULTIMATE.start_main_~i~4 74), 47531#(<= ULTIMATE.start_main_~i~4 76), 47532#(<= ULTIMATE.start_main_~i~4 78), 47533#(<= ULTIMATE.start_main_~i~4 80), 47534#(<= ULTIMATE.start_main_~i~4 82), 47535#(<= ULTIMATE.start_main_~i~4 84), 47536#(<= ULTIMATE.start_main_~i~4 86), 47537#(<= ULTIMATE.start_main_~i~4 88), 47538#(<= ULTIMATE.start_main_~i~4 90), 47539#(<= ULTIMATE.start_main_~i~4 92), 47540#(<= ULTIMATE.start_main_~i~4 94), 47541#(<= ULTIMATE.start_main_~i~4 96), 47542#(<= ULTIMATE.start_main_~i~4 98), 47543#(<= ULTIMATE.start_main_~i~4 100), 47544#(<= ULTIMATE.start_main_~i~4 102), 47545#(<= ULTIMATE.start_main_~i~4 104), 47546#(<= ULTIMATE.start_main_~i~4 106), 47547#(<= ULTIMATE.start_main_~i~4 108), 47548#(<= ULTIMATE.start_main_~i~4 110), 47549#(<= ULTIMATE.start_main_~i~4 112), 47550#(<= ULTIMATE.start_main_~i~4 114), 47551#(<= ULTIMATE.start_main_~i~4 116), 47552#(<= ULTIMATE.start_main_~i~4 118), 47553#(<= ULTIMATE.start_main_~i~4 120), 47554#(<= ULTIMATE.start_main_~i~4 122), 47555#(<= ULTIMATE.start_main_~i~4 124), 47556#(<= ULTIMATE.start_main_~i~4 126), 47557#(<= ULTIMATE.start_main_~i~4 128), 47558#(<= ULTIMATE.start_main_~i~4 130), 47559#(<= ULTIMATE.start_main_~i~4 132), 47560#(<= ULTIMATE.start_main_~i~4 134), 47561#(<= ULTIMATE.start_main_~i~4 136), 47562#(<= ULTIMATE.start_main_~i~4 138), 47563#(<= ULTIMATE.start_main_~i~4 140), 47564#(<= ULTIMATE.start_main_~i~4 142), 47565#(<= ULTIMATE.start_main_~i~4 144), 47566#(<= ULTIMATE.start_main_~i~4 146), 47567#(<= ULTIMATE.start_main_~i~4 148), 47568#(<= ULTIMATE.start_main_~i~4 150), 47569#(<= ULTIMATE.start_main_~i~4 152), 47570#(<= ULTIMATE.start_main_~i~4 154), 47571#(<= ULTIMATE.start_main_~i~4 156), 47572#(<= ULTIMATE.start_main_~i~4 158), 47573#(<= ULTIMATE.start_main_~i~4 160), 47574#(<= ULTIMATE.start_main_~i~4 162), 47575#(<= ULTIMATE.start_main_~i~4 164), 47576#(<= ULTIMATE.start_main_~i~4 166), 47577#(<= ULTIMATE.start_main_~i~4 168), 47578#(<= ULTIMATE.start_main_~i~4 170), 47579#(<= ULTIMATE.start_main_~i~4 172), 47580#(<= ULTIMATE.start_main_~i~4 174), 47581#(<= ULTIMATE.start_main_~i~4 176), 47582#(<= ULTIMATE.start_main_~i~4 178), 47583#(<= ULTIMATE.start_main_~i~4 180), 47584#(<= ULTIMATE.start_main_~i~4 182), 47585#(<= ULTIMATE.start_main_~i~4 184), 47586#(<= ULTIMATE.start_main_~i~4 186), 47587#(<= ULTIMATE.start_main_~i~4 188), 47588#(<= ULTIMATE.start_main_~i~4 190), 47589#(<= ULTIMATE.start_main_~i~4 192), 47590#(<= ULTIMATE.start_main_~i~4 194), 47591#(<= ULTIMATE.start_main_~i~4 196), 47592#(<= ULTIMATE.start_main_~i~4 198), 47593#(<= ULTIMATE.start_main_~i~4 200), 47594#(<= ULTIMATE.start_main_~i~4 202), 47595#(<= ULTIMATE.start_main_~i~4 204), 47596#(<= ULTIMATE.start_main_~i~4 206), 47597#(<= ULTIMATE.start_main_~i~4 208), 47598#(<= ULTIMATE.start_main_~i~4 210), 47599#(<= ULTIMATE.start_main_~i~4 212), 47600#(<= ULTIMATE.start_main_~i~4 214), 47601#(<= ULTIMATE.start_main_~i~4 216), 47602#(<= ULTIMATE.start_main_~i~4 218), 47603#(<= ULTIMATE.start_main_~i~4 220), 47604#(<= ULTIMATE.start_main_~i~4 222), 47605#(<= ULTIMATE.start_main_~i~4 224), 47606#(<= ULTIMATE.start_main_~i~4 226), 47607#(<= ULTIMATE.start_main_~i~4 228), 47608#(<= ULTIMATE.start_main_~i~4 230), 47609#(<= ULTIMATE.start_main_~i~4 232), 47610#(<= ULTIMATE.start_main_~i~4 234), 47611#(<= ULTIMATE.start_main_~i~4 236), 47612#(<= ULTIMATE.start_main_~i~4 238), 47613#(<= ULTIMATE.start_main_~i~4 240), 47614#(<= ULTIMATE.start_main_~i~4 242), 47615#(<= ULTIMATE.start_main_~i~4 244)] [2018-07-23 13:38:09,749 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 13:38:09,749 INFO L450 AbstractCegarLoop]: Interpolant automaton has 136 states [2018-07-23 13:38:09,751 INFO L132 InterpolantAutomaton]: Constructing interpolant automaton starting with 136 interpolants. [2018-07-23 13:38:09,752 INFO L133 InterpolantAutomaton]: CoverageRelationStatistics Valid=9180, Invalid=9180, Unknown=0, NotChecked=0, Total=18360 [2018-07-23 13:38:09,752 INFO L87 Difference]: Start difference. First operand 137 states and 137 transitions. Second operand 136 states. [2018-07-23 13:38:09,950 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2018-07-23 13:38:09,950 INFO L93 Difference]: Finished difference Result 140 states and 140 transitions. [2018-07-23 13:38:09,951 INFO L142 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 136 states. [2018-07-23 13:38:09,951 INFO L78 Accepts]: Start accepts. Automaton has 136 states. Word has length 136 [2018-07-23 13:38:09,951 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2018-07-23 13:38:09,951 INFO L225 Difference]: With dead ends: 140 [2018-07-23 13:38:09,951 INFO L226 Difference]: Without dead ends: 138 [2018-07-23 13:38:09,953 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 13:38:09,953 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 138 states. [2018-07-23 13:38:09,955 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 138 to 138. [2018-07-23 13:38:09,955 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 138 states. [2018-07-23 13:38:09,955 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 138 states to 138 states and 138 transitions. [2018-07-23 13:38:09,956 INFO L78 Accepts]: Start accepts. Automaton has 138 states and 138 transitions. Word has length 136 [2018-07-23 13:38:09,956 INFO L84 Accepts]: Finished accepts. word is rejected. [2018-07-23 13:38:09,956 INFO L471 AbstractCegarLoop]: Abstraction has 138 states and 138 transitions. [2018-07-23 13:38:09,956 INFO L472 AbstractCegarLoop]: Interpolant automaton has 136 states. [2018-07-23 13:38:09,956 INFO L276 IsEmpty]: Start isEmpty. Operand 138 states and 138 transitions. [2018-07-23 13:38:09,957 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 138 [2018-07-23 13:38:09,957 INFO L349 BasicCegarLoop]: Found error trace [2018-07-23 13:38:09,957 INFO L357 BasicCegarLoop]: trace histogram [134, 1, 1, 1] [2018-07-23 13:38:09,957 INFO L414 AbstractCegarLoop]: === Iteration 135 === [ULTIMATE.startErr0AssertViolationASSERT]=== [2018-07-23 13:38:09,957 INFO L82 PathProgramCache]: Analyzing trace with hash 1801173985, now seen corresponding path program 134 times [2018-07-23 13:38:09,957 INFO L69 tionRefinementEngine]: Using refinement strategy FixedRefinementStrategy [2018-07-23 13:38:10,018 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-07-23 13:38:10,412 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 13:38:10,412 INFO L309 seRefinementStrategy]: Constructing automaton from 0 perfect and 1 imperfect interpolant sequences. [2018-07-23 13:38:10,412 INFO L324 seRefinementStrategy]: Number of different interpolants: perfect sequences [] imperfect sequences [136] total 136 [2018-07-23 13:38:10,412 INFO L142 lantAutomatonBuilder]: Constructing canonical interpolant automaton, with selfloop in false state [2018-07-23 13:38:10,413 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2018-07-23 13:38:10,413 INFO L185 omatonBuilderFactory]: Interpolants [48183#true, 48184#false, 48185#(<= ULTIMATE.start_main_~i~4 0), 48186#(<= ULTIMATE.start_main_~i~4 2), 48187#(<= ULTIMATE.start_main_~i~4 4), 48188#(<= ULTIMATE.start_main_~i~4 6), 48189#(<= ULTIMATE.start_main_~i~4 8), 48190#(<= ULTIMATE.start_main_~i~4 10), 48191#(<= ULTIMATE.start_main_~i~4 12), 48192#(<= ULTIMATE.start_main_~i~4 14), 48193#(<= ULTIMATE.start_main_~i~4 16), 48194#(<= ULTIMATE.start_main_~i~4 18), 48195#(<= ULTIMATE.start_main_~i~4 20), 48196#(<= ULTIMATE.start_main_~i~4 22), 48197#(<= ULTIMATE.start_main_~i~4 24), 48198#(<= ULTIMATE.start_main_~i~4 26), 48199#(<= ULTIMATE.start_main_~i~4 28), 48200#(<= ULTIMATE.start_main_~i~4 30), 48201#(<= ULTIMATE.start_main_~i~4 32), 48202#(<= ULTIMATE.start_main_~i~4 34), 48203#(<= ULTIMATE.start_main_~i~4 36), 48204#(<= ULTIMATE.start_main_~i~4 38), 48205#(<= ULTIMATE.start_main_~i~4 40), 48206#(<= ULTIMATE.start_main_~i~4 42), 48207#(<= ULTIMATE.start_main_~i~4 44), 48208#(<= ULTIMATE.start_main_~i~4 46), 48209#(<= ULTIMATE.start_main_~i~4 48), 48210#(<= ULTIMATE.start_main_~i~4 50), 48211#(<= ULTIMATE.start_main_~i~4 52), 48212#(<= ULTIMATE.start_main_~i~4 54), 48213#(<= ULTIMATE.start_main_~i~4 56), 48214#(<= ULTIMATE.start_main_~i~4 58), 48215#(<= ULTIMATE.start_main_~i~4 60), 48216#(<= ULTIMATE.start_main_~i~4 62), 48217#(<= ULTIMATE.start_main_~i~4 64), 48218#(<= ULTIMATE.start_main_~i~4 66), 48219#(<= ULTIMATE.start_main_~i~4 68), 48220#(<= ULTIMATE.start_main_~i~4 70), 48221#(<= ULTIMATE.start_main_~i~4 72), 48222#(<= ULTIMATE.start_main_~i~4 74), 48223#(<= ULTIMATE.start_main_~i~4 76), 48224#(<= ULTIMATE.start_main_~i~4 78), 48225#(<= ULTIMATE.start_main_~i~4 80), 48226#(<= ULTIMATE.start_main_~i~4 82), 48227#(<= ULTIMATE.start_main_~i~4 84), 48228#(<= ULTIMATE.start_main_~i~4 86), 48229#(<= ULTIMATE.start_main_~i~4 88), 48230#(<= ULTIMATE.start_main_~i~4 90), 48231#(<= ULTIMATE.start_main_~i~4 92), 48232#(<= ULTIMATE.start_main_~i~4 94), 48233#(<= ULTIMATE.start_main_~i~4 96), 48234#(<= ULTIMATE.start_main_~i~4 98), 48235#(<= ULTIMATE.start_main_~i~4 100), 48236#(<= ULTIMATE.start_main_~i~4 102), 48237#(<= ULTIMATE.start_main_~i~4 104), 48238#(<= ULTIMATE.start_main_~i~4 106), 48239#(<= ULTIMATE.start_main_~i~4 108), 48240#(<= ULTIMATE.start_main_~i~4 110), 48241#(<= ULTIMATE.start_main_~i~4 112), 48242#(<= ULTIMATE.start_main_~i~4 114), 48243#(<= ULTIMATE.start_main_~i~4 116), 48244#(<= ULTIMATE.start_main_~i~4 118), 48245#(<= ULTIMATE.start_main_~i~4 120), 48246#(<= ULTIMATE.start_main_~i~4 122), 48247#(<= ULTIMATE.start_main_~i~4 124), 48248#(<= ULTIMATE.start_main_~i~4 126), 48249#(<= ULTIMATE.start_main_~i~4 128), 48250#(<= ULTIMATE.start_main_~i~4 130), 48251#(<= ULTIMATE.start_main_~i~4 132), 48252#(<= ULTIMATE.start_main_~i~4 134), 48253#(<= ULTIMATE.start_main_~i~4 136), 48254#(<= ULTIMATE.start_main_~i~4 138), 48255#(<= ULTIMATE.start_main_~i~4 140), 48256#(<= ULTIMATE.start_main_~i~4 142), 48257#(<= ULTIMATE.start_main_~i~4 144), 48258#(<= ULTIMATE.start_main_~i~4 146), 48259#(<= ULTIMATE.start_main_~i~4 148), 48260#(<= ULTIMATE.start_main_~i~4 150), 48261#(<= ULTIMATE.start_main_~i~4 152), 48262#(<= ULTIMATE.start_main_~i~4 154), 48263#(<= ULTIMATE.start_main_~i~4 156), 48264#(<= ULTIMATE.start_main_~i~4 158), 48265#(<= ULTIMATE.start_main_~i~4 160), 48266#(<= ULTIMATE.start_main_~i~4 162), 48267#(<= ULTIMATE.start_main_~i~4 164), 48268#(<= ULTIMATE.start_main_~i~4 166), 48269#(<= ULTIMATE.start_main_~i~4 168), 48270#(<= ULTIMATE.start_main_~i~4 170), 48271#(<= ULTIMATE.start_main_~i~4 172), 48272#(<= ULTIMATE.start_main_~i~4 174), 48273#(<= ULTIMATE.start_main_~i~4 176), 48274#(<= ULTIMATE.start_main_~i~4 178), 48275#(<= ULTIMATE.start_main_~i~4 180), 48276#(<= ULTIMATE.start_main_~i~4 182), 48277#(<= ULTIMATE.start_main_~i~4 184), 48278#(<= ULTIMATE.start_main_~i~4 186), 48279#(<= ULTIMATE.start_main_~i~4 188), 48280#(<= ULTIMATE.start_main_~i~4 190), 48281#(<= ULTIMATE.start_main_~i~4 192), 48282#(<= ULTIMATE.start_main_~i~4 194), 48283#(<= ULTIMATE.start_main_~i~4 196), 48284#(<= ULTIMATE.start_main_~i~4 198), 48285#(<= ULTIMATE.start_main_~i~4 200), 48286#(<= ULTIMATE.start_main_~i~4 202), 48287#(<= ULTIMATE.start_main_~i~4 204), 48288#(<= ULTIMATE.start_main_~i~4 206), 48289#(<= ULTIMATE.start_main_~i~4 208), 48290#(<= ULTIMATE.start_main_~i~4 210), 48291#(<= ULTIMATE.start_main_~i~4 212), 48292#(<= ULTIMATE.start_main_~i~4 214), 48293#(<= ULTIMATE.start_main_~i~4 216), 48294#(<= ULTIMATE.start_main_~i~4 218), 48295#(<= ULTIMATE.start_main_~i~4 220), 48296#(<= ULTIMATE.start_main_~i~4 222), 48297#(<= ULTIMATE.start_main_~i~4 224), 48298#(<= ULTIMATE.start_main_~i~4 226), 48299#(<= ULTIMATE.start_main_~i~4 228), 48300#(<= ULTIMATE.start_main_~i~4 230), 48301#(<= ULTIMATE.start_main_~i~4 232), 48302#(<= ULTIMATE.start_main_~i~4 234), 48303#(<= ULTIMATE.start_main_~i~4 236), 48304#(<= ULTIMATE.start_main_~i~4 238), 48305#(<= ULTIMATE.start_main_~i~4 240), 48306#(<= ULTIMATE.start_main_~i~4 242), 48307#(<= ULTIMATE.start_main_~i~4 244), 48308#(<= ULTIMATE.start_main_~i~4 246), 48309#(<= ULTIMATE.start_main_~i~4 248), 48310#(<= ULTIMATE.start_main_~i~4 250), 48311#(<= ULTIMATE.start_main_~i~4 252), 48312#(<= ULTIMATE.start_main_~i~4 254), 48313#(<= ULTIMATE.start_main_~i~4 256), 48314#(<= ULTIMATE.start_main_~i~4 258), 48315#(<= ULTIMATE.start_main_~i~4 260), 48316#(<= ULTIMATE.start_main_~i~4 262), 48317#(<= ULTIMATE.start_main_~i~4 264), 48318#(<= ULTIMATE.start_main_~i~4 266), 48319#(<= ULTIMATE.start_main_~i~4 268)] [2018-07-23 13:38:10,413 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 13:38:10,414 INFO L450 AbstractCegarLoop]: Interpolant automaton has 137 states [2018-07-23 13:38:10,415 INFO L132 InterpolantAutomaton]: Constructing interpolant automaton starting with 137 interpolants. [2018-07-23 13:38:10,415 INFO L133 InterpolantAutomaton]: CoverageRelationStatistics Valid=9316, Invalid=9316, Unknown=0, NotChecked=0, Total=18632 [2018-07-23 13:38:10,415 INFO L87 Difference]: Start difference. First operand 138 states and 138 transitions. Second operand 137 states. [2018-07-23 13:38:10,605 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2018-07-23 13:38:10,606 INFO L93 Difference]: Finished difference Result 141 states and 141 transitions. [2018-07-23 13:38:10,606 INFO L142 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 137 states. [2018-07-23 13:38:10,606 INFO L78 Accepts]: Start accepts. Automaton has 137 states. Word has length 137 [2018-07-23 13:38:10,606 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2018-07-23 13:38:10,606 INFO L225 Difference]: With dead ends: 141 [2018-07-23 13:38:10,606 INFO L226 Difference]: Without dead ends: 139 [2018-07-23 13:38:10,607 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 13:38:10,607 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 139 states. [2018-07-23 13:38:10,609 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 139 to 139. [2018-07-23 13:38:10,609 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 139 states. [2018-07-23 13:38:10,609 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 139 states to 139 states and 139 transitions. [2018-07-23 13:38:10,609 INFO L78 Accepts]: Start accepts. Automaton has 139 states and 139 transitions. Word has length 137 [2018-07-23 13:38:10,610 INFO L84 Accepts]: Finished accepts. word is rejected. [2018-07-23 13:38:10,610 INFO L471 AbstractCegarLoop]: Abstraction has 139 states and 139 transitions. [2018-07-23 13:38:10,610 INFO L472 AbstractCegarLoop]: Interpolant automaton has 137 states. [2018-07-23 13:38:10,610 INFO L276 IsEmpty]: Start isEmpty. Operand 139 states and 139 transitions. [2018-07-23 13:38:10,610 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 139 [2018-07-23 13:38:10,611 INFO L349 BasicCegarLoop]: Found error trace [2018-07-23 13:38:10,611 INFO L357 BasicCegarLoop]: trace histogram [135, 1, 1, 1] [2018-07-23 13:38:10,611 INFO L414 AbstractCegarLoop]: === Iteration 136 === [ULTIMATE.startErr0AssertViolationASSERT]=== [2018-07-23 13:38:10,611 INFO L82 PathProgramCache]: Analyzing trace with hash 1816712, now seen corresponding path program 135 times [2018-07-23 13:38:10,611 INFO L69 tionRefinementEngine]: Using refinement strategy FixedRefinementStrategy [2018-07-23 13:38:10,663 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-07-23 13:38:11,137 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 13:38:11,137 INFO L309 seRefinementStrategy]: Constructing automaton from 0 perfect and 1 imperfect interpolant sequences. [2018-07-23 13:38:11,137 INFO L324 seRefinementStrategy]: Number of different interpolants: perfect sequences [] imperfect sequences [137] total 137 [2018-07-23 13:38:11,138 INFO L142 lantAutomatonBuilder]: Constructing canonical interpolant automaton, with selfloop in false state [2018-07-23 13:38:11,138 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2018-07-23 13:38:11,138 INFO L185 omatonBuilderFactory]: Interpolants [48896#(<= ULTIMATE.start_main_~i~4 28), 48897#(<= ULTIMATE.start_main_~i~4 30), 48898#(<= ULTIMATE.start_main_~i~4 32), 48899#(<= ULTIMATE.start_main_~i~4 34), 48900#(<= ULTIMATE.start_main_~i~4 36), 48901#(<= ULTIMATE.start_main_~i~4 38), 48902#(<= ULTIMATE.start_main_~i~4 40), 48903#(<= ULTIMATE.start_main_~i~4 42), 48904#(<= ULTIMATE.start_main_~i~4 44), 48905#(<= ULTIMATE.start_main_~i~4 46), 48906#(<= ULTIMATE.start_main_~i~4 48), 48907#(<= ULTIMATE.start_main_~i~4 50), 48908#(<= ULTIMATE.start_main_~i~4 52), 48909#(<= ULTIMATE.start_main_~i~4 54), 48910#(<= ULTIMATE.start_main_~i~4 56), 48911#(<= ULTIMATE.start_main_~i~4 58), 48912#(<= ULTIMATE.start_main_~i~4 60), 48913#(<= ULTIMATE.start_main_~i~4 62), 48914#(<= ULTIMATE.start_main_~i~4 64), 48915#(<= ULTIMATE.start_main_~i~4 66), 48916#(<= ULTIMATE.start_main_~i~4 68), 48917#(<= ULTIMATE.start_main_~i~4 70), 48918#(<= ULTIMATE.start_main_~i~4 72), 48919#(<= ULTIMATE.start_main_~i~4 74), 48920#(<= ULTIMATE.start_main_~i~4 76), 48921#(<= ULTIMATE.start_main_~i~4 78), 48922#(<= ULTIMATE.start_main_~i~4 80), 48923#(<= ULTIMATE.start_main_~i~4 82), 48924#(<= ULTIMATE.start_main_~i~4 84), 48925#(<= ULTIMATE.start_main_~i~4 86), 48926#(<= ULTIMATE.start_main_~i~4 88), 48927#(<= ULTIMATE.start_main_~i~4 90), 48928#(<= ULTIMATE.start_main_~i~4 92), 48929#(<= ULTIMATE.start_main_~i~4 94), 48930#(<= ULTIMATE.start_main_~i~4 96), 48931#(<= ULTIMATE.start_main_~i~4 98), 48932#(<= ULTIMATE.start_main_~i~4 100), 48933#(<= ULTIMATE.start_main_~i~4 102), 48934#(<= ULTIMATE.start_main_~i~4 104), 48935#(<= ULTIMATE.start_main_~i~4 106), 48936#(<= ULTIMATE.start_main_~i~4 108), 48937#(<= ULTIMATE.start_main_~i~4 110), 48938#(<= ULTIMATE.start_main_~i~4 112), 48939#(<= ULTIMATE.start_main_~i~4 114), 48940#(<= ULTIMATE.start_main_~i~4 116), 48941#(<= ULTIMATE.start_main_~i~4 118), 48942#(<= ULTIMATE.start_main_~i~4 120), 48943#(<= ULTIMATE.start_main_~i~4 122), 48944#(<= ULTIMATE.start_main_~i~4 124), 48945#(<= ULTIMATE.start_main_~i~4 126), 48946#(<= ULTIMATE.start_main_~i~4 128), 48947#(<= ULTIMATE.start_main_~i~4 130), 48948#(<= ULTIMATE.start_main_~i~4 132), 48949#(<= ULTIMATE.start_main_~i~4 134), 48950#(<= ULTIMATE.start_main_~i~4 136), 48951#(<= ULTIMATE.start_main_~i~4 138), 48952#(<= ULTIMATE.start_main_~i~4 140), 48953#(<= ULTIMATE.start_main_~i~4 142), 48954#(<= ULTIMATE.start_main_~i~4 144), 48955#(<= ULTIMATE.start_main_~i~4 146), 48956#(<= ULTIMATE.start_main_~i~4 148), 48957#(<= ULTIMATE.start_main_~i~4 150), 48958#(<= ULTIMATE.start_main_~i~4 152), 48959#(<= ULTIMATE.start_main_~i~4 154), 48960#(<= ULTIMATE.start_main_~i~4 156), 48961#(<= ULTIMATE.start_main_~i~4 158), 48962#(<= ULTIMATE.start_main_~i~4 160), 48963#(<= ULTIMATE.start_main_~i~4 162), 48964#(<= ULTIMATE.start_main_~i~4 164), 48965#(<= ULTIMATE.start_main_~i~4 166), 48966#(<= ULTIMATE.start_main_~i~4 168), 48967#(<= ULTIMATE.start_main_~i~4 170), 48968#(<= ULTIMATE.start_main_~i~4 172), 48969#(<= ULTIMATE.start_main_~i~4 174), 48970#(<= ULTIMATE.start_main_~i~4 176), 48971#(<= ULTIMATE.start_main_~i~4 178), 48972#(<= ULTIMATE.start_main_~i~4 180), 48973#(<= ULTIMATE.start_main_~i~4 182), 48974#(<= ULTIMATE.start_main_~i~4 184), 48975#(<= ULTIMATE.start_main_~i~4 186), 48976#(<= ULTIMATE.start_main_~i~4 188), 48977#(<= ULTIMATE.start_main_~i~4 190), 48978#(<= ULTIMATE.start_main_~i~4 192), 48979#(<= ULTIMATE.start_main_~i~4 194), 48980#(<= ULTIMATE.start_main_~i~4 196), 48981#(<= ULTIMATE.start_main_~i~4 198), 48982#(<= ULTIMATE.start_main_~i~4 200), 48983#(<= ULTIMATE.start_main_~i~4 202), 48984#(<= ULTIMATE.start_main_~i~4 204), 48985#(<= ULTIMATE.start_main_~i~4 206), 48986#(<= ULTIMATE.start_main_~i~4 208), 48987#(<= ULTIMATE.start_main_~i~4 210), 48988#(<= ULTIMATE.start_main_~i~4 212), 48989#(<= ULTIMATE.start_main_~i~4 214), 48990#(<= ULTIMATE.start_main_~i~4 216), 48991#(<= ULTIMATE.start_main_~i~4 218), 48992#(<= ULTIMATE.start_main_~i~4 220), 48993#(<= ULTIMATE.start_main_~i~4 222), 48994#(<= ULTIMATE.start_main_~i~4 224), 48995#(<= ULTIMATE.start_main_~i~4 226), 48996#(<= ULTIMATE.start_main_~i~4 228), 48997#(<= ULTIMATE.start_main_~i~4 230), 48998#(<= ULTIMATE.start_main_~i~4 232), 48999#(<= ULTIMATE.start_main_~i~4 234), 49000#(<= ULTIMATE.start_main_~i~4 236), 49001#(<= ULTIMATE.start_main_~i~4 238), 49002#(<= ULTIMATE.start_main_~i~4 240), 49003#(<= ULTIMATE.start_main_~i~4 242), 49004#(<= ULTIMATE.start_main_~i~4 244), 49005#(<= ULTIMATE.start_main_~i~4 246), 49006#(<= ULTIMATE.start_main_~i~4 248), 49007#(<= ULTIMATE.start_main_~i~4 250), 49008#(<= ULTIMATE.start_main_~i~4 252), 49009#(<= ULTIMATE.start_main_~i~4 254), 49010#(<= ULTIMATE.start_main_~i~4 256), 49011#(<= ULTIMATE.start_main_~i~4 258), 49012#(<= ULTIMATE.start_main_~i~4 260), 49013#(<= ULTIMATE.start_main_~i~4 262), 49014#(<= ULTIMATE.start_main_~i~4 264), 49015#(<= ULTIMATE.start_main_~i~4 266), 49016#(<= ULTIMATE.start_main_~i~4 268), 49017#(<= ULTIMATE.start_main_~i~4 270), 48880#true, 48881#false, 48882#(<= ULTIMATE.start_main_~i~4 0), 48883#(<= ULTIMATE.start_main_~i~4 2), 48884#(<= ULTIMATE.start_main_~i~4 4), 48885#(<= ULTIMATE.start_main_~i~4 6), 48886#(<= ULTIMATE.start_main_~i~4 8), 48887#(<= ULTIMATE.start_main_~i~4 10), 48888#(<= ULTIMATE.start_main_~i~4 12), 48889#(<= ULTIMATE.start_main_~i~4 14), 48890#(<= ULTIMATE.start_main_~i~4 16), 48891#(<= ULTIMATE.start_main_~i~4 18), 48892#(<= ULTIMATE.start_main_~i~4 20), 48893#(<= ULTIMATE.start_main_~i~4 22), 48894#(<= ULTIMATE.start_main_~i~4 24), 48895#(<= ULTIMATE.start_main_~i~4 26)] [2018-07-23 13:38:11,139 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 13:38:11,139 INFO L450 AbstractCegarLoop]: Interpolant automaton has 138 states [2018-07-23 13:38:11,141 INFO L132 InterpolantAutomaton]: Constructing interpolant automaton starting with 138 interpolants. [2018-07-23 13:38:11,142 INFO L133 InterpolantAutomaton]: CoverageRelationStatistics Valid=9453, Invalid=9453, Unknown=0, NotChecked=0, Total=18906 [2018-07-23 13:38:11,143 INFO L87 Difference]: Start difference. First operand 139 states and 139 transitions. Second operand 138 states. [2018-07-23 13:38:11,363 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2018-07-23 13:38:11,363 INFO L93 Difference]: Finished difference Result 142 states and 142 transitions. [2018-07-23 13:38:11,364 INFO L142 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 138 states. [2018-07-23 13:38:11,364 INFO L78 Accepts]: Start accepts. Automaton has 138 states. Word has length 138 [2018-07-23 13:38:11,364 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2018-07-23 13:38:11,364 INFO L225 Difference]: With dead ends: 142 [2018-07-23 13:38:11,364 INFO L226 Difference]: Without dead ends: 140 [2018-07-23 13:38:11,365 INFO L575 BasicCegarLoop]: 0 DeclaredPredicates, 137 GetRequests, 1 SyntacticMatches, 0 SemanticMatches, 136 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 0 ImplicationChecksByTransitivity, 0.4s TimeCoverageRelationStatistics Valid=9453, Invalid=9453, Unknown=0, NotChecked=0, Total=18906 [2018-07-23 13:38:11,365 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 140 states. [2018-07-23 13:38:11,368 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 140 to 140. [2018-07-23 13:38:11,368 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 140 states. [2018-07-23 13:38:11,369 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 140 states to 140 states and 140 transitions. [2018-07-23 13:38:11,369 INFO L78 Accepts]: Start accepts. Automaton has 140 states and 140 transitions. Word has length 138 [2018-07-23 13:38:11,369 INFO L84 Accepts]: Finished accepts. word is rejected. [2018-07-23 13:38:11,369 INFO L471 AbstractCegarLoop]: Abstraction has 140 states and 140 transitions. [2018-07-23 13:38:11,369 INFO L472 AbstractCegarLoop]: Interpolant automaton has 138 states. [2018-07-23 13:38:11,369 INFO L276 IsEmpty]: Start isEmpty. Operand 140 states and 140 transitions. [2018-07-23 13:38:11,370 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 140 [2018-07-23 13:38:11,370 INFO L349 BasicCegarLoop]: Found error trace [2018-07-23 13:38:11,370 INFO L357 BasicCegarLoop]: trace histogram [136, 1, 1, 1] [2018-07-23 13:38:11,370 INFO L414 AbstractCegarLoop]: === Iteration 137 === [ULTIMATE.startErr0AssertViolationASSERT]=== [2018-07-23 13:38:11,370 INFO L82 PathProgramCache]: Analyzing trace with hash 56316097, now seen corresponding path program 136 times [2018-07-23 13:38:11,370 INFO L69 tionRefinementEngine]: Using refinement strategy FixedRefinementStrategy [2018-07-23 13:38:11,481 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-07-23 13:38:11,904 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 13:38:11,904 INFO L309 seRefinementStrategy]: Constructing automaton from 0 perfect and 1 imperfect interpolant sequences. [2018-07-23 13:38:11,905 INFO L324 seRefinementStrategy]: Number of different interpolants: perfect sequences [] imperfect sequences [138] total 138 [2018-07-23 13:38:11,905 INFO L142 lantAutomatonBuilder]: Constructing canonical interpolant automaton, with selfloop in false state [2018-07-23 13:38:11,905 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2018-07-23 13:38:11,905 INFO L185 omatonBuilderFactory]: Interpolants [49664#(<= ULTIMATE.start_main_~i~4 160), 49665#(<= ULTIMATE.start_main_~i~4 162), 49666#(<= ULTIMATE.start_main_~i~4 164), 49667#(<= ULTIMATE.start_main_~i~4 166), 49668#(<= ULTIMATE.start_main_~i~4 168), 49669#(<= ULTIMATE.start_main_~i~4 170), 49670#(<= ULTIMATE.start_main_~i~4 172), 49671#(<= ULTIMATE.start_main_~i~4 174), 49672#(<= ULTIMATE.start_main_~i~4 176), 49673#(<= ULTIMATE.start_main_~i~4 178), 49674#(<= ULTIMATE.start_main_~i~4 180), 49675#(<= ULTIMATE.start_main_~i~4 182), 49676#(<= ULTIMATE.start_main_~i~4 184), 49677#(<= ULTIMATE.start_main_~i~4 186), 49678#(<= ULTIMATE.start_main_~i~4 188), 49679#(<= ULTIMATE.start_main_~i~4 190), 49680#(<= ULTIMATE.start_main_~i~4 192), 49681#(<= ULTIMATE.start_main_~i~4 194), 49682#(<= ULTIMATE.start_main_~i~4 196), 49683#(<= ULTIMATE.start_main_~i~4 198), 49684#(<= ULTIMATE.start_main_~i~4 200), 49685#(<= ULTIMATE.start_main_~i~4 202), 49686#(<= ULTIMATE.start_main_~i~4 204), 49687#(<= ULTIMATE.start_main_~i~4 206), 49688#(<= ULTIMATE.start_main_~i~4 208), 49689#(<= ULTIMATE.start_main_~i~4 210), 49690#(<= ULTIMATE.start_main_~i~4 212), 49691#(<= ULTIMATE.start_main_~i~4 214), 49692#(<= ULTIMATE.start_main_~i~4 216), 49693#(<= ULTIMATE.start_main_~i~4 218), 49694#(<= ULTIMATE.start_main_~i~4 220), 49695#(<= ULTIMATE.start_main_~i~4 222), 49696#(<= ULTIMATE.start_main_~i~4 224), 49697#(<= ULTIMATE.start_main_~i~4 226), 49698#(<= ULTIMATE.start_main_~i~4 228), 49699#(<= ULTIMATE.start_main_~i~4 230), 49700#(<= ULTIMATE.start_main_~i~4 232), 49701#(<= ULTIMATE.start_main_~i~4 234), 49702#(<= ULTIMATE.start_main_~i~4 236), 49703#(<= ULTIMATE.start_main_~i~4 238), 49704#(<= ULTIMATE.start_main_~i~4 240), 49705#(<= ULTIMATE.start_main_~i~4 242), 49706#(<= ULTIMATE.start_main_~i~4 244), 49707#(<= ULTIMATE.start_main_~i~4 246), 49708#(<= ULTIMATE.start_main_~i~4 248), 49709#(<= ULTIMATE.start_main_~i~4 250), 49710#(<= ULTIMATE.start_main_~i~4 252), 49711#(<= ULTIMATE.start_main_~i~4 254), 49712#(<= ULTIMATE.start_main_~i~4 256), 49713#(<= ULTIMATE.start_main_~i~4 258), 49714#(<= ULTIMATE.start_main_~i~4 260), 49715#(<= ULTIMATE.start_main_~i~4 262), 49716#(<= ULTIMATE.start_main_~i~4 264), 49717#(<= ULTIMATE.start_main_~i~4 266), 49718#(<= ULTIMATE.start_main_~i~4 268), 49719#(<= ULTIMATE.start_main_~i~4 270), 49720#(<= ULTIMATE.start_main_~i~4 272), 49582#true, 49583#false, 49584#(<= ULTIMATE.start_main_~i~4 0), 49585#(<= ULTIMATE.start_main_~i~4 2), 49586#(<= ULTIMATE.start_main_~i~4 4), 49587#(<= ULTIMATE.start_main_~i~4 6), 49588#(<= ULTIMATE.start_main_~i~4 8), 49589#(<= ULTIMATE.start_main_~i~4 10), 49590#(<= ULTIMATE.start_main_~i~4 12), 49591#(<= ULTIMATE.start_main_~i~4 14), 49592#(<= ULTIMATE.start_main_~i~4 16), 49593#(<= ULTIMATE.start_main_~i~4 18), 49594#(<= ULTIMATE.start_main_~i~4 20), 49595#(<= ULTIMATE.start_main_~i~4 22), 49596#(<= ULTIMATE.start_main_~i~4 24), 49597#(<= ULTIMATE.start_main_~i~4 26), 49598#(<= ULTIMATE.start_main_~i~4 28), 49599#(<= ULTIMATE.start_main_~i~4 30), 49600#(<= ULTIMATE.start_main_~i~4 32), 49601#(<= ULTIMATE.start_main_~i~4 34), 49602#(<= ULTIMATE.start_main_~i~4 36), 49603#(<= ULTIMATE.start_main_~i~4 38), 49604#(<= ULTIMATE.start_main_~i~4 40), 49605#(<= ULTIMATE.start_main_~i~4 42), 49606#(<= ULTIMATE.start_main_~i~4 44), 49607#(<= ULTIMATE.start_main_~i~4 46), 49608#(<= ULTIMATE.start_main_~i~4 48), 49609#(<= ULTIMATE.start_main_~i~4 50), 49610#(<= ULTIMATE.start_main_~i~4 52), 49611#(<= ULTIMATE.start_main_~i~4 54), 49612#(<= ULTIMATE.start_main_~i~4 56), 49613#(<= ULTIMATE.start_main_~i~4 58), 49614#(<= ULTIMATE.start_main_~i~4 60), 49615#(<= ULTIMATE.start_main_~i~4 62), 49616#(<= ULTIMATE.start_main_~i~4 64), 49617#(<= ULTIMATE.start_main_~i~4 66), 49618#(<= ULTIMATE.start_main_~i~4 68), 49619#(<= ULTIMATE.start_main_~i~4 70), 49620#(<= ULTIMATE.start_main_~i~4 72), 49621#(<= ULTIMATE.start_main_~i~4 74), 49622#(<= ULTIMATE.start_main_~i~4 76), 49623#(<= ULTIMATE.start_main_~i~4 78), 49624#(<= ULTIMATE.start_main_~i~4 80), 49625#(<= ULTIMATE.start_main_~i~4 82), 49626#(<= ULTIMATE.start_main_~i~4 84), 49627#(<= ULTIMATE.start_main_~i~4 86), 49628#(<= ULTIMATE.start_main_~i~4 88), 49629#(<= ULTIMATE.start_main_~i~4 90), 49630#(<= ULTIMATE.start_main_~i~4 92), 49631#(<= ULTIMATE.start_main_~i~4 94), 49632#(<= ULTIMATE.start_main_~i~4 96), 49633#(<= ULTIMATE.start_main_~i~4 98), 49634#(<= ULTIMATE.start_main_~i~4 100), 49635#(<= ULTIMATE.start_main_~i~4 102), 49636#(<= ULTIMATE.start_main_~i~4 104), 49637#(<= ULTIMATE.start_main_~i~4 106), 49638#(<= ULTIMATE.start_main_~i~4 108), 49639#(<= ULTIMATE.start_main_~i~4 110), 49640#(<= ULTIMATE.start_main_~i~4 112), 49641#(<= ULTIMATE.start_main_~i~4 114), 49642#(<= ULTIMATE.start_main_~i~4 116), 49643#(<= ULTIMATE.start_main_~i~4 118), 49644#(<= ULTIMATE.start_main_~i~4 120), 49645#(<= ULTIMATE.start_main_~i~4 122), 49646#(<= ULTIMATE.start_main_~i~4 124), 49647#(<= ULTIMATE.start_main_~i~4 126), 49648#(<= ULTIMATE.start_main_~i~4 128), 49649#(<= ULTIMATE.start_main_~i~4 130), 49650#(<= ULTIMATE.start_main_~i~4 132), 49651#(<= ULTIMATE.start_main_~i~4 134), 49652#(<= ULTIMATE.start_main_~i~4 136), 49653#(<= ULTIMATE.start_main_~i~4 138), 49654#(<= ULTIMATE.start_main_~i~4 140), 49655#(<= ULTIMATE.start_main_~i~4 142), 49656#(<= ULTIMATE.start_main_~i~4 144), 49657#(<= ULTIMATE.start_main_~i~4 146), 49658#(<= ULTIMATE.start_main_~i~4 148), 49659#(<= ULTIMATE.start_main_~i~4 150), 49660#(<= ULTIMATE.start_main_~i~4 152), 49661#(<= ULTIMATE.start_main_~i~4 154), 49662#(<= ULTIMATE.start_main_~i~4 156), 49663#(<= ULTIMATE.start_main_~i~4 158)] [2018-07-23 13:38:11,906 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 13:38:11,906 INFO L450 AbstractCegarLoop]: Interpolant automaton has 139 states [2018-07-23 13:38:11,908 INFO L132 InterpolantAutomaton]: Constructing interpolant automaton starting with 139 interpolants. [2018-07-23 13:38:11,908 INFO L133 InterpolantAutomaton]: CoverageRelationStatistics Valid=9591, Invalid=9591, Unknown=0, NotChecked=0, Total=19182 [2018-07-23 13:38:11,909 INFO L87 Difference]: Start difference. First operand 140 states and 140 transitions. Second operand 139 states. [2018-07-23 13:38:11,995 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2018-07-23 13:38:11,995 INFO L93 Difference]: Finished difference Result 143 states and 143 transitions. [2018-07-23 13:38:11,995 INFO L142 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 139 states. [2018-07-23 13:38:11,995 INFO L78 Accepts]: Start accepts. Automaton has 139 states. Word has length 139 [2018-07-23 13:38:11,996 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2018-07-23 13:38:11,996 INFO L225 Difference]: With dead ends: 143 [2018-07-23 13:38:11,996 INFO L226 Difference]: Without dead ends: 141 [2018-07-23 13:38:11,997 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 13:38:11,997 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 141 states. [2018-07-23 13:38:11,999 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 141 to 141. [2018-07-23 13:38:11,999 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 141 states. [2018-07-23 13:38:11,999 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 141 states to 141 states and 141 transitions. [2018-07-23 13:38:11,999 INFO L78 Accepts]: Start accepts. Automaton has 141 states and 141 transitions. Word has length 139 [2018-07-23 13:38:11,999 INFO L84 Accepts]: Finished accepts. word is rejected. [2018-07-23 13:38:12,000 INFO L471 AbstractCegarLoop]: Abstraction has 141 states and 141 transitions. [2018-07-23 13:38:12,000 INFO L472 AbstractCegarLoop]: Interpolant automaton has 139 states. [2018-07-23 13:38:12,000 INFO L276 IsEmpty]: Start isEmpty. Operand 141 states and 141 transitions. [2018-07-23 13:38:12,000 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 141 [2018-07-23 13:38:12,000 INFO L349 BasicCegarLoop]: Found error trace [2018-07-23 13:38:12,000 INFO L357 BasicCegarLoop]: trace histogram [137, 1, 1, 1] [2018-07-23 13:38:12,000 INFO L414 AbstractCegarLoop]: === Iteration 138 === [ULTIMATE.startErr0AssertViolationASSERT]=== [2018-07-23 13:38:12,000 INFO L82 PathProgramCache]: Analyzing trace with hash 1745797032, now seen corresponding path program 137 times [2018-07-23 13:38:12,000 INFO L69 tionRefinementEngine]: Using refinement strategy FixedRefinementStrategy [2018-07-23 13:38:12,055 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-07-23 13:38:12,442 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 13:38:12,443 INFO L309 seRefinementStrategy]: Constructing automaton from 0 perfect and 1 imperfect interpolant sequences. [2018-07-23 13:38:12,443 INFO L324 seRefinementStrategy]: Number of different interpolants: perfect sequences [] imperfect sequences [139] total 139 [2018-07-23 13:38:12,443 INFO L142 lantAutomatonBuilder]: Constructing canonical interpolant automaton, with selfloop in false state [2018-07-23 13:38:12,443 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2018-07-23 13:38:12,443 INFO L185 omatonBuilderFactory]: Interpolants [50289#true, 50290#false, 50291#(<= ULTIMATE.start_main_~i~4 0), 50292#(<= ULTIMATE.start_main_~i~4 2), 50293#(<= ULTIMATE.start_main_~i~4 4), 50294#(<= ULTIMATE.start_main_~i~4 6), 50295#(<= ULTIMATE.start_main_~i~4 8), 50296#(<= ULTIMATE.start_main_~i~4 10), 50297#(<= ULTIMATE.start_main_~i~4 12), 50298#(<= ULTIMATE.start_main_~i~4 14), 50299#(<= ULTIMATE.start_main_~i~4 16), 50300#(<= ULTIMATE.start_main_~i~4 18), 50301#(<= ULTIMATE.start_main_~i~4 20), 50302#(<= ULTIMATE.start_main_~i~4 22), 50303#(<= ULTIMATE.start_main_~i~4 24), 50304#(<= ULTIMATE.start_main_~i~4 26), 50305#(<= ULTIMATE.start_main_~i~4 28), 50306#(<= ULTIMATE.start_main_~i~4 30), 50307#(<= ULTIMATE.start_main_~i~4 32), 50308#(<= ULTIMATE.start_main_~i~4 34), 50309#(<= ULTIMATE.start_main_~i~4 36), 50310#(<= ULTIMATE.start_main_~i~4 38), 50311#(<= ULTIMATE.start_main_~i~4 40), 50312#(<= ULTIMATE.start_main_~i~4 42), 50313#(<= ULTIMATE.start_main_~i~4 44), 50314#(<= ULTIMATE.start_main_~i~4 46), 50315#(<= ULTIMATE.start_main_~i~4 48), 50316#(<= ULTIMATE.start_main_~i~4 50), 50317#(<= ULTIMATE.start_main_~i~4 52), 50318#(<= ULTIMATE.start_main_~i~4 54), 50319#(<= ULTIMATE.start_main_~i~4 56), 50320#(<= ULTIMATE.start_main_~i~4 58), 50321#(<= ULTIMATE.start_main_~i~4 60), 50322#(<= ULTIMATE.start_main_~i~4 62), 50323#(<= ULTIMATE.start_main_~i~4 64), 50324#(<= ULTIMATE.start_main_~i~4 66), 50325#(<= ULTIMATE.start_main_~i~4 68), 50326#(<= ULTIMATE.start_main_~i~4 70), 50327#(<= ULTIMATE.start_main_~i~4 72), 50328#(<= ULTIMATE.start_main_~i~4 74), 50329#(<= ULTIMATE.start_main_~i~4 76), 50330#(<= ULTIMATE.start_main_~i~4 78), 50331#(<= ULTIMATE.start_main_~i~4 80), 50332#(<= ULTIMATE.start_main_~i~4 82), 50333#(<= ULTIMATE.start_main_~i~4 84), 50334#(<= ULTIMATE.start_main_~i~4 86), 50335#(<= ULTIMATE.start_main_~i~4 88), 50336#(<= ULTIMATE.start_main_~i~4 90), 50337#(<= ULTIMATE.start_main_~i~4 92), 50338#(<= ULTIMATE.start_main_~i~4 94), 50339#(<= ULTIMATE.start_main_~i~4 96), 50340#(<= ULTIMATE.start_main_~i~4 98), 50341#(<= ULTIMATE.start_main_~i~4 100), 50342#(<= ULTIMATE.start_main_~i~4 102), 50343#(<= ULTIMATE.start_main_~i~4 104), 50344#(<= ULTIMATE.start_main_~i~4 106), 50345#(<= ULTIMATE.start_main_~i~4 108), 50346#(<= ULTIMATE.start_main_~i~4 110), 50347#(<= ULTIMATE.start_main_~i~4 112), 50348#(<= ULTIMATE.start_main_~i~4 114), 50349#(<= ULTIMATE.start_main_~i~4 116), 50350#(<= ULTIMATE.start_main_~i~4 118), 50351#(<= ULTIMATE.start_main_~i~4 120), 50352#(<= ULTIMATE.start_main_~i~4 122), 50353#(<= ULTIMATE.start_main_~i~4 124), 50354#(<= ULTIMATE.start_main_~i~4 126), 50355#(<= ULTIMATE.start_main_~i~4 128), 50356#(<= ULTIMATE.start_main_~i~4 130), 50357#(<= ULTIMATE.start_main_~i~4 132), 50358#(<= ULTIMATE.start_main_~i~4 134), 50359#(<= ULTIMATE.start_main_~i~4 136), 50360#(<= ULTIMATE.start_main_~i~4 138), 50361#(<= ULTIMATE.start_main_~i~4 140), 50362#(<= ULTIMATE.start_main_~i~4 142), 50363#(<= ULTIMATE.start_main_~i~4 144), 50364#(<= ULTIMATE.start_main_~i~4 146), 50365#(<= ULTIMATE.start_main_~i~4 148), 50366#(<= ULTIMATE.start_main_~i~4 150), 50367#(<= ULTIMATE.start_main_~i~4 152), 50368#(<= ULTIMATE.start_main_~i~4 154), 50369#(<= ULTIMATE.start_main_~i~4 156), 50370#(<= ULTIMATE.start_main_~i~4 158), 50371#(<= ULTIMATE.start_main_~i~4 160), 50372#(<= ULTIMATE.start_main_~i~4 162), 50373#(<= ULTIMATE.start_main_~i~4 164), 50374#(<= ULTIMATE.start_main_~i~4 166), 50375#(<= ULTIMATE.start_main_~i~4 168), 50376#(<= ULTIMATE.start_main_~i~4 170), 50377#(<= ULTIMATE.start_main_~i~4 172), 50378#(<= ULTIMATE.start_main_~i~4 174), 50379#(<= ULTIMATE.start_main_~i~4 176), 50380#(<= ULTIMATE.start_main_~i~4 178), 50381#(<= ULTIMATE.start_main_~i~4 180), 50382#(<= ULTIMATE.start_main_~i~4 182), 50383#(<= ULTIMATE.start_main_~i~4 184), 50384#(<= ULTIMATE.start_main_~i~4 186), 50385#(<= ULTIMATE.start_main_~i~4 188), 50386#(<= ULTIMATE.start_main_~i~4 190), 50387#(<= ULTIMATE.start_main_~i~4 192), 50388#(<= ULTIMATE.start_main_~i~4 194), 50389#(<= ULTIMATE.start_main_~i~4 196), 50390#(<= ULTIMATE.start_main_~i~4 198), 50391#(<= ULTIMATE.start_main_~i~4 200), 50392#(<= ULTIMATE.start_main_~i~4 202), 50393#(<= ULTIMATE.start_main_~i~4 204), 50394#(<= ULTIMATE.start_main_~i~4 206), 50395#(<= ULTIMATE.start_main_~i~4 208), 50396#(<= ULTIMATE.start_main_~i~4 210), 50397#(<= ULTIMATE.start_main_~i~4 212), 50398#(<= ULTIMATE.start_main_~i~4 214), 50399#(<= ULTIMATE.start_main_~i~4 216), 50400#(<= ULTIMATE.start_main_~i~4 218), 50401#(<= ULTIMATE.start_main_~i~4 220), 50402#(<= ULTIMATE.start_main_~i~4 222), 50403#(<= ULTIMATE.start_main_~i~4 224), 50404#(<= ULTIMATE.start_main_~i~4 226), 50405#(<= ULTIMATE.start_main_~i~4 228), 50406#(<= ULTIMATE.start_main_~i~4 230), 50407#(<= ULTIMATE.start_main_~i~4 232), 50408#(<= ULTIMATE.start_main_~i~4 234), 50409#(<= ULTIMATE.start_main_~i~4 236), 50410#(<= ULTIMATE.start_main_~i~4 238), 50411#(<= ULTIMATE.start_main_~i~4 240), 50412#(<= ULTIMATE.start_main_~i~4 242), 50413#(<= ULTIMATE.start_main_~i~4 244), 50414#(<= ULTIMATE.start_main_~i~4 246), 50415#(<= ULTIMATE.start_main_~i~4 248), 50416#(<= ULTIMATE.start_main_~i~4 250), 50417#(<= ULTIMATE.start_main_~i~4 252), 50418#(<= ULTIMATE.start_main_~i~4 254), 50419#(<= ULTIMATE.start_main_~i~4 256), 50420#(<= ULTIMATE.start_main_~i~4 258), 50421#(<= ULTIMATE.start_main_~i~4 260), 50422#(<= ULTIMATE.start_main_~i~4 262), 50423#(<= ULTIMATE.start_main_~i~4 264), 50424#(<= ULTIMATE.start_main_~i~4 266), 50425#(<= ULTIMATE.start_main_~i~4 268), 50426#(<= ULTIMATE.start_main_~i~4 270), 50427#(<= ULTIMATE.start_main_~i~4 272), 50428#(<= ULTIMATE.start_main_~i~4 274)] [2018-07-23 13:38:12,444 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 13:38:12,444 INFO L450 AbstractCegarLoop]: Interpolant automaton has 140 states [2018-07-23 13:38:12,446 INFO L132 InterpolantAutomaton]: Constructing interpolant automaton starting with 140 interpolants. [2018-07-23 13:38:12,446 INFO L133 InterpolantAutomaton]: CoverageRelationStatistics Valid=9730, Invalid=9730, Unknown=0, NotChecked=0, Total=19460 [2018-07-23 13:38:12,446 INFO L87 Difference]: Start difference. First operand 141 states and 141 transitions. Second operand 140 states. [2018-07-23 13:38:12,685 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2018-07-23 13:38:12,686 INFO L93 Difference]: Finished difference Result 144 states and 144 transitions. [2018-07-23 13:38:12,686 INFO L142 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 140 states. [2018-07-23 13:38:12,686 INFO L78 Accepts]: Start accepts. Automaton has 140 states. Word has length 140 [2018-07-23 13:38:12,686 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2018-07-23 13:38:12,686 INFO L225 Difference]: With dead ends: 144 [2018-07-23 13:38:12,686 INFO L226 Difference]: Without dead ends: 142 [2018-07-23 13:38:12,687 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 13:38:12,687 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 142 states. [2018-07-23 13:38:12,689 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 142 to 142. [2018-07-23 13:38:12,689 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 142 states. [2018-07-23 13:38:12,689 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 142 states to 142 states and 142 transitions. [2018-07-23 13:38:12,689 INFO L78 Accepts]: Start accepts. Automaton has 142 states and 142 transitions. Word has length 140 [2018-07-23 13:38:12,689 INFO L84 Accepts]: Finished accepts. word is rejected. [2018-07-23 13:38:12,689 INFO L471 AbstractCegarLoop]: Abstraction has 142 states and 142 transitions. [2018-07-23 13:38:12,689 INFO L472 AbstractCegarLoop]: Interpolant automaton has 140 states. [2018-07-23 13:38:12,689 INFO L276 IsEmpty]: Start isEmpty. Operand 142 states and 142 transitions. [2018-07-23 13:38:12,690 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 142 [2018-07-23 13:38:12,690 INFO L349 BasicCegarLoop]: Found error trace [2018-07-23 13:38:12,690 INFO L357 BasicCegarLoop]: trace histogram [138, 1, 1, 1] [2018-07-23 13:38:12,690 INFO L414 AbstractCegarLoop]: === Iteration 139 === [ULTIMATE.startErr0AssertViolationASSERT]=== [2018-07-23 13:38:12,690 INFO L82 PathProgramCache]: Analyzing trace with hash -1714868831, now seen corresponding path program 138 times [2018-07-23 13:38:12,690 INFO L69 tionRefinementEngine]: Using refinement strategy FixedRefinementStrategy [2018-07-23 13:38:12,752 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-07-23 13:38:13,154 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 13:38:13,155 INFO L309 seRefinementStrategy]: Constructing automaton from 0 perfect and 1 imperfect interpolant sequences. [2018-07-23 13:38:13,155 INFO L324 seRefinementStrategy]: Number of different interpolants: perfect sequences [] imperfect sequences [140] total 140 [2018-07-23 13:38:13,155 INFO L142 lantAutomatonBuilder]: Constructing canonical interpolant automaton, with selfloop in false state [2018-07-23 13:38:13,155 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2018-07-23 13:38:13,155 INFO L185 omatonBuilderFactory]: Interpolants [51001#true, 51002#false, 51003#(<= ULTIMATE.start_main_~i~4 0), 51004#(<= ULTIMATE.start_main_~i~4 2), 51005#(<= ULTIMATE.start_main_~i~4 4), 51006#(<= ULTIMATE.start_main_~i~4 6), 51007#(<= ULTIMATE.start_main_~i~4 8), 51008#(<= ULTIMATE.start_main_~i~4 10), 51009#(<= ULTIMATE.start_main_~i~4 12), 51010#(<= ULTIMATE.start_main_~i~4 14), 51011#(<= ULTIMATE.start_main_~i~4 16), 51012#(<= ULTIMATE.start_main_~i~4 18), 51013#(<= ULTIMATE.start_main_~i~4 20), 51014#(<= ULTIMATE.start_main_~i~4 22), 51015#(<= ULTIMATE.start_main_~i~4 24), 51016#(<= ULTIMATE.start_main_~i~4 26), 51017#(<= ULTIMATE.start_main_~i~4 28), 51018#(<= ULTIMATE.start_main_~i~4 30), 51019#(<= ULTIMATE.start_main_~i~4 32), 51020#(<= ULTIMATE.start_main_~i~4 34), 51021#(<= ULTIMATE.start_main_~i~4 36), 51022#(<= ULTIMATE.start_main_~i~4 38), 51023#(<= ULTIMATE.start_main_~i~4 40), 51024#(<= ULTIMATE.start_main_~i~4 42), 51025#(<= ULTIMATE.start_main_~i~4 44), 51026#(<= ULTIMATE.start_main_~i~4 46), 51027#(<= ULTIMATE.start_main_~i~4 48), 51028#(<= ULTIMATE.start_main_~i~4 50), 51029#(<= ULTIMATE.start_main_~i~4 52), 51030#(<= ULTIMATE.start_main_~i~4 54), 51031#(<= ULTIMATE.start_main_~i~4 56), 51032#(<= ULTIMATE.start_main_~i~4 58), 51033#(<= ULTIMATE.start_main_~i~4 60), 51034#(<= ULTIMATE.start_main_~i~4 62), 51035#(<= ULTIMATE.start_main_~i~4 64), 51036#(<= ULTIMATE.start_main_~i~4 66), 51037#(<= ULTIMATE.start_main_~i~4 68), 51038#(<= ULTIMATE.start_main_~i~4 70), 51039#(<= ULTIMATE.start_main_~i~4 72), 51040#(<= ULTIMATE.start_main_~i~4 74), 51041#(<= ULTIMATE.start_main_~i~4 76), 51042#(<= ULTIMATE.start_main_~i~4 78), 51043#(<= ULTIMATE.start_main_~i~4 80), 51044#(<= ULTIMATE.start_main_~i~4 82), 51045#(<= ULTIMATE.start_main_~i~4 84), 51046#(<= ULTIMATE.start_main_~i~4 86), 51047#(<= ULTIMATE.start_main_~i~4 88), 51048#(<= ULTIMATE.start_main_~i~4 90), 51049#(<= ULTIMATE.start_main_~i~4 92), 51050#(<= ULTIMATE.start_main_~i~4 94), 51051#(<= ULTIMATE.start_main_~i~4 96), 51052#(<= ULTIMATE.start_main_~i~4 98), 51053#(<= ULTIMATE.start_main_~i~4 100), 51054#(<= ULTIMATE.start_main_~i~4 102), 51055#(<= ULTIMATE.start_main_~i~4 104), 51056#(<= ULTIMATE.start_main_~i~4 106), 51057#(<= ULTIMATE.start_main_~i~4 108), 51058#(<= ULTIMATE.start_main_~i~4 110), 51059#(<= ULTIMATE.start_main_~i~4 112), 51060#(<= ULTIMATE.start_main_~i~4 114), 51061#(<= ULTIMATE.start_main_~i~4 116), 51062#(<= ULTIMATE.start_main_~i~4 118), 51063#(<= ULTIMATE.start_main_~i~4 120), 51064#(<= ULTIMATE.start_main_~i~4 122), 51065#(<= ULTIMATE.start_main_~i~4 124), 51066#(<= ULTIMATE.start_main_~i~4 126), 51067#(<= ULTIMATE.start_main_~i~4 128), 51068#(<= ULTIMATE.start_main_~i~4 130), 51069#(<= ULTIMATE.start_main_~i~4 132), 51070#(<= ULTIMATE.start_main_~i~4 134), 51071#(<= ULTIMATE.start_main_~i~4 136), 51072#(<= ULTIMATE.start_main_~i~4 138), 51073#(<= ULTIMATE.start_main_~i~4 140), 51074#(<= ULTIMATE.start_main_~i~4 142), 51075#(<= ULTIMATE.start_main_~i~4 144), 51076#(<= ULTIMATE.start_main_~i~4 146), 51077#(<= ULTIMATE.start_main_~i~4 148), 51078#(<= ULTIMATE.start_main_~i~4 150), 51079#(<= ULTIMATE.start_main_~i~4 152), 51080#(<= ULTIMATE.start_main_~i~4 154), 51081#(<= ULTIMATE.start_main_~i~4 156), 51082#(<= ULTIMATE.start_main_~i~4 158), 51083#(<= ULTIMATE.start_main_~i~4 160), 51084#(<= ULTIMATE.start_main_~i~4 162), 51085#(<= ULTIMATE.start_main_~i~4 164), 51086#(<= ULTIMATE.start_main_~i~4 166), 51087#(<= ULTIMATE.start_main_~i~4 168), 51088#(<= ULTIMATE.start_main_~i~4 170), 51089#(<= ULTIMATE.start_main_~i~4 172), 51090#(<= ULTIMATE.start_main_~i~4 174), 51091#(<= ULTIMATE.start_main_~i~4 176), 51092#(<= ULTIMATE.start_main_~i~4 178), 51093#(<= ULTIMATE.start_main_~i~4 180), 51094#(<= ULTIMATE.start_main_~i~4 182), 51095#(<= ULTIMATE.start_main_~i~4 184), 51096#(<= ULTIMATE.start_main_~i~4 186), 51097#(<= ULTIMATE.start_main_~i~4 188), 51098#(<= ULTIMATE.start_main_~i~4 190), 51099#(<= ULTIMATE.start_main_~i~4 192), 51100#(<= ULTIMATE.start_main_~i~4 194), 51101#(<= ULTIMATE.start_main_~i~4 196), 51102#(<= ULTIMATE.start_main_~i~4 198), 51103#(<= ULTIMATE.start_main_~i~4 200), 51104#(<= ULTIMATE.start_main_~i~4 202), 51105#(<= ULTIMATE.start_main_~i~4 204), 51106#(<= ULTIMATE.start_main_~i~4 206), 51107#(<= ULTIMATE.start_main_~i~4 208), 51108#(<= ULTIMATE.start_main_~i~4 210), 51109#(<= ULTIMATE.start_main_~i~4 212), 51110#(<= ULTIMATE.start_main_~i~4 214), 51111#(<= ULTIMATE.start_main_~i~4 216), 51112#(<= ULTIMATE.start_main_~i~4 218), 51113#(<= ULTIMATE.start_main_~i~4 220), 51114#(<= ULTIMATE.start_main_~i~4 222), 51115#(<= ULTIMATE.start_main_~i~4 224), 51116#(<= ULTIMATE.start_main_~i~4 226), 51117#(<= ULTIMATE.start_main_~i~4 228), 51118#(<= ULTIMATE.start_main_~i~4 230), 51119#(<= ULTIMATE.start_main_~i~4 232), 51120#(<= ULTIMATE.start_main_~i~4 234), 51121#(<= ULTIMATE.start_main_~i~4 236), 51122#(<= ULTIMATE.start_main_~i~4 238), 51123#(<= ULTIMATE.start_main_~i~4 240), 51124#(<= ULTIMATE.start_main_~i~4 242), 51125#(<= ULTIMATE.start_main_~i~4 244), 51126#(<= ULTIMATE.start_main_~i~4 246), 51127#(<= ULTIMATE.start_main_~i~4 248), 51128#(<= ULTIMATE.start_main_~i~4 250), 51129#(<= ULTIMATE.start_main_~i~4 252), 51130#(<= ULTIMATE.start_main_~i~4 254), 51131#(<= ULTIMATE.start_main_~i~4 256), 51132#(<= ULTIMATE.start_main_~i~4 258), 51133#(<= ULTIMATE.start_main_~i~4 260), 51134#(<= ULTIMATE.start_main_~i~4 262), 51135#(<= ULTIMATE.start_main_~i~4 264), 51136#(<= ULTIMATE.start_main_~i~4 266), 51137#(<= ULTIMATE.start_main_~i~4 268), 51138#(<= ULTIMATE.start_main_~i~4 270), 51139#(<= ULTIMATE.start_main_~i~4 272), 51140#(<= ULTIMATE.start_main_~i~4 274), 51141#(<= ULTIMATE.start_main_~i~4 276)] [2018-07-23 13:38:13,156 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 13:38:13,156 INFO L450 AbstractCegarLoop]: Interpolant automaton has 141 states [2018-07-23 13:38:13,157 INFO L132 InterpolantAutomaton]: Constructing interpolant automaton starting with 141 interpolants. [2018-07-23 13:38:13,158 INFO L133 InterpolantAutomaton]: CoverageRelationStatistics Valid=9870, Invalid=9870, Unknown=0, NotChecked=0, Total=19740 [2018-07-23 13:38:13,158 INFO L87 Difference]: Start difference. First operand 142 states and 142 transitions. Second operand 141 states. [2018-07-23 13:38:13,378 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2018-07-23 13:38:13,378 INFO L93 Difference]: Finished difference Result 145 states and 145 transitions. [2018-07-23 13:38:13,378 INFO L142 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 141 states. [2018-07-23 13:38:13,378 INFO L78 Accepts]: Start accepts. Automaton has 141 states. Word has length 141 [2018-07-23 13:38:13,378 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2018-07-23 13:38:13,378 INFO L225 Difference]: With dead ends: 145 [2018-07-23 13:38:13,378 INFO L226 Difference]: Without dead ends: 143 [2018-07-23 13:38:13,379 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 13:38:13,379 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 143 states. [2018-07-23 13:38:13,381 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 143 to 143. [2018-07-23 13:38:13,381 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 143 states. [2018-07-23 13:38:13,381 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 143 states to 143 states and 143 transitions. [2018-07-23 13:38:13,381 INFO L78 Accepts]: Start accepts. Automaton has 143 states and 143 transitions. Word has length 141 [2018-07-23 13:38:13,381 INFO L84 Accepts]: Finished accepts. word is rejected. [2018-07-23 13:38:13,381 INFO L471 AbstractCegarLoop]: Abstraction has 143 states and 143 transitions. [2018-07-23 13:38:13,381 INFO L472 AbstractCegarLoop]: Interpolant automaton has 141 states. [2018-07-23 13:38:13,381 INFO L276 IsEmpty]: Start isEmpty. Operand 143 states and 143 transitions. [2018-07-23 13:38:13,382 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 143 [2018-07-23 13:38:13,382 INFO L349 BasicCegarLoop]: Found error trace [2018-07-23 13:38:13,382 INFO L357 BasicCegarLoop]: trace histogram [139, 1, 1, 1] [2018-07-23 13:38:13,382 INFO L414 AbstractCegarLoop]: === Iteration 140 === [ULTIMATE.startErr0AssertViolationASSERT]=== [2018-07-23 13:38:13,382 INFO L82 PathProgramCache]: Analyzing trace with hash -1621328184, now seen corresponding path program 139 times [2018-07-23 13:38:13,382 INFO L69 tionRefinementEngine]: Using refinement strategy FixedRefinementStrategy [2018-07-23 13:38:13,437 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-07-23 13:38:13,852 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 13:38:13,852 INFO L309 seRefinementStrategy]: Constructing automaton from 0 perfect and 1 imperfect interpolant sequences. [2018-07-23 13:38:13,853 INFO L324 seRefinementStrategy]: Number of different interpolants: perfect sequences [] imperfect sequences [141] total 141 [2018-07-23 13:38:13,853 INFO L142 lantAutomatonBuilder]: Constructing canonical interpolant automaton, with selfloop in false state [2018-07-23 13:38:13,853 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2018-07-23 13:38:13,853 INFO L185 omatonBuilderFactory]: Interpolants [51718#true, 51719#false, 51720#(<= ULTIMATE.start_main_~i~4 0), 51721#(<= ULTIMATE.start_main_~i~4 2), 51722#(<= ULTIMATE.start_main_~i~4 4), 51723#(<= ULTIMATE.start_main_~i~4 6), 51724#(<= ULTIMATE.start_main_~i~4 8), 51725#(<= ULTIMATE.start_main_~i~4 10), 51726#(<= ULTIMATE.start_main_~i~4 12), 51727#(<= ULTIMATE.start_main_~i~4 14), 51728#(<= ULTIMATE.start_main_~i~4 16), 51729#(<= ULTIMATE.start_main_~i~4 18), 51730#(<= ULTIMATE.start_main_~i~4 20), 51731#(<= ULTIMATE.start_main_~i~4 22), 51732#(<= ULTIMATE.start_main_~i~4 24), 51733#(<= ULTIMATE.start_main_~i~4 26), 51734#(<= ULTIMATE.start_main_~i~4 28), 51735#(<= ULTIMATE.start_main_~i~4 30), 51736#(<= ULTIMATE.start_main_~i~4 32), 51737#(<= ULTIMATE.start_main_~i~4 34), 51738#(<= ULTIMATE.start_main_~i~4 36), 51739#(<= ULTIMATE.start_main_~i~4 38), 51740#(<= ULTIMATE.start_main_~i~4 40), 51741#(<= ULTIMATE.start_main_~i~4 42), 51742#(<= ULTIMATE.start_main_~i~4 44), 51743#(<= ULTIMATE.start_main_~i~4 46), 51744#(<= ULTIMATE.start_main_~i~4 48), 51745#(<= ULTIMATE.start_main_~i~4 50), 51746#(<= ULTIMATE.start_main_~i~4 52), 51747#(<= ULTIMATE.start_main_~i~4 54), 51748#(<= ULTIMATE.start_main_~i~4 56), 51749#(<= ULTIMATE.start_main_~i~4 58), 51750#(<= ULTIMATE.start_main_~i~4 60), 51751#(<= ULTIMATE.start_main_~i~4 62), 51752#(<= ULTIMATE.start_main_~i~4 64), 51753#(<= ULTIMATE.start_main_~i~4 66), 51754#(<= ULTIMATE.start_main_~i~4 68), 51755#(<= ULTIMATE.start_main_~i~4 70), 51756#(<= ULTIMATE.start_main_~i~4 72), 51757#(<= ULTIMATE.start_main_~i~4 74), 51758#(<= ULTIMATE.start_main_~i~4 76), 51759#(<= ULTIMATE.start_main_~i~4 78), 51760#(<= ULTIMATE.start_main_~i~4 80), 51761#(<= ULTIMATE.start_main_~i~4 82), 51762#(<= ULTIMATE.start_main_~i~4 84), 51763#(<= ULTIMATE.start_main_~i~4 86), 51764#(<= ULTIMATE.start_main_~i~4 88), 51765#(<= ULTIMATE.start_main_~i~4 90), 51766#(<= ULTIMATE.start_main_~i~4 92), 51767#(<= ULTIMATE.start_main_~i~4 94), 51768#(<= ULTIMATE.start_main_~i~4 96), 51769#(<= ULTIMATE.start_main_~i~4 98), 51770#(<= ULTIMATE.start_main_~i~4 100), 51771#(<= ULTIMATE.start_main_~i~4 102), 51772#(<= ULTIMATE.start_main_~i~4 104), 51773#(<= ULTIMATE.start_main_~i~4 106), 51774#(<= ULTIMATE.start_main_~i~4 108), 51775#(<= ULTIMATE.start_main_~i~4 110), 51776#(<= ULTIMATE.start_main_~i~4 112), 51777#(<= ULTIMATE.start_main_~i~4 114), 51778#(<= ULTIMATE.start_main_~i~4 116), 51779#(<= ULTIMATE.start_main_~i~4 118), 51780#(<= ULTIMATE.start_main_~i~4 120), 51781#(<= ULTIMATE.start_main_~i~4 122), 51782#(<= ULTIMATE.start_main_~i~4 124), 51783#(<= ULTIMATE.start_main_~i~4 126), 51784#(<= ULTIMATE.start_main_~i~4 128), 51785#(<= ULTIMATE.start_main_~i~4 130), 51786#(<= ULTIMATE.start_main_~i~4 132), 51787#(<= ULTIMATE.start_main_~i~4 134), 51788#(<= ULTIMATE.start_main_~i~4 136), 51789#(<= ULTIMATE.start_main_~i~4 138), 51790#(<= ULTIMATE.start_main_~i~4 140), 51791#(<= ULTIMATE.start_main_~i~4 142), 51792#(<= ULTIMATE.start_main_~i~4 144), 51793#(<= ULTIMATE.start_main_~i~4 146), 51794#(<= ULTIMATE.start_main_~i~4 148), 51795#(<= ULTIMATE.start_main_~i~4 150), 51796#(<= ULTIMATE.start_main_~i~4 152), 51797#(<= ULTIMATE.start_main_~i~4 154), 51798#(<= ULTIMATE.start_main_~i~4 156), 51799#(<= ULTIMATE.start_main_~i~4 158), 51800#(<= ULTIMATE.start_main_~i~4 160), 51801#(<= ULTIMATE.start_main_~i~4 162), 51802#(<= ULTIMATE.start_main_~i~4 164), 51803#(<= ULTIMATE.start_main_~i~4 166), 51804#(<= ULTIMATE.start_main_~i~4 168), 51805#(<= ULTIMATE.start_main_~i~4 170), 51806#(<= ULTIMATE.start_main_~i~4 172), 51807#(<= ULTIMATE.start_main_~i~4 174), 51808#(<= ULTIMATE.start_main_~i~4 176), 51809#(<= ULTIMATE.start_main_~i~4 178), 51810#(<= ULTIMATE.start_main_~i~4 180), 51811#(<= ULTIMATE.start_main_~i~4 182), 51812#(<= ULTIMATE.start_main_~i~4 184), 51813#(<= ULTIMATE.start_main_~i~4 186), 51814#(<= ULTIMATE.start_main_~i~4 188), 51815#(<= ULTIMATE.start_main_~i~4 190), 51816#(<= ULTIMATE.start_main_~i~4 192), 51817#(<= ULTIMATE.start_main_~i~4 194), 51818#(<= ULTIMATE.start_main_~i~4 196), 51819#(<= ULTIMATE.start_main_~i~4 198), 51820#(<= ULTIMATE.start_main_~i~4 200), 51821#(<= ULTIMATE.start_main_~i~4 202), 51822#(<= ULTIMATE.start_main_~i~4 204), 51823#(<= ULTIMATE.start_main_~i~4 206), 51824#(<= ULTIMATE.start_main_~i~4 208), 51825#(<= ULTIMATE.start_main_~i~4 210), 51826#(<= ULTIMATE.start_main_~i~4 212), 51827#(<= ULTIMATE.start_main_~i~4 214), 51828#(<= ULTIMATE.start_main_~i~4 216), 51829#(<= ULTIMATE.start_main_~i~4 218), 51830#(<= ULTIMATE.start_main_~i~4 220), 51831#(<= ULTIMATE.start_main_~i~4 222), 51832#(<= ULTIMATE.start_main_~i~4 224), 51833#(<= ULTIMATE.start_main_~i~4 226), 51834#(<= ULTIMATE.start_main_~i~4 228), 51835#(<= ULTIMATE.start_main_~i~4 230), 51836#(<= ULTIMATE.start_main_~i~4 232), 51837#(<= ULTIMATE.start_main_~i~4 234), 51838#(<= ULTIMATE.start_main_~i~4 236), 51839#(<= ULTIMATE.start_main_~i~4 238), 51840#(<= ULTIMATE.start_main_~i~4 240), 51841#(<= ULTIMATE.start_main_~i~4 242), 51842#(<= ULTIMATE.start_main_~i~4 244), 51843#(<= ULTIMATE.start_main_~i~4 246), 51844#(<= ULTIMATE.start_main_~i~4 248), 51845#(<= ULTIMATE.start_main_~i~4 250), 51846#(<= ULTIMATE.start_main_~i~4 252), 51847#(<= ULTIMATE.start_main_~i~4 254), 51848#(<= ULTIMATE.start_main_~i~4 256), 51849#(<= ULTIMATE.start_main_~i~4 258), 51850#(<= ULTIMATE.start_main_~i~4 260), 51851#(<= ULTIMATE.start_main_~i~4 262), 51852#(<= ULTIMATE.start_main_~i~4 264), 51853#(<= ULTIMATE.start_main_~i~4 266), 51854#(<= ULTIMATE.start_main_~i~4 268), 51855#(<= ULTIMATE.start_main_~i~4 270), 51856#(<= ULTIMATE.start_main_~i~4 272), 51857#(<= ULTIMATE.start_main_~i~4 274), 51858#(<= ULTIMATE.start_main_~i~4 276), 51859#(<= ULTIMATE.start_main_~i~4 278)] [2018-07-23 13:38:13,854 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 13:38:13,854 INFO L450 AbstractCegarLoop]: Interpolant automaton has 142 states [2018-07-23 13:38:13,856 INFO L132 InterpolantAutomaton]: Constructing interpolant automaton starting with 142 interpolants. [2018-07-23 13:38:13,857 INFO L133 InterpolantAutomaton]: CoverageRelationStatistics Valid=10011, Invalid=10011, Unknown=0, NotChecked=0, Total=20022 [2018-07-23 13:38:13,857 INFO L87 Difference]: Start difference. First operand 143 states and 143 transitions. Second operand 142 states. [2018-07-23 13:38:14,128 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2018-07-23 13:38:14,128 INFO L93 Difference]: Finished difference Result 146 states and 146 transitions. [2018-07-23 13:38:14,128 INFO L142 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 142 states. [2018-07-23 13:38:14,128 INFO L78 Accepts]: Start accepts. Automaton has 142 states. Word has length 142 [2018-07-23 13:38:14,128 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2018-07-23 13:38:14,129 INFO L225 Difference]: With dead ends: 146 [2018-07-23 13:38:14,129 INFO L226 Difference]: Without dead ends: 144 [2018-07-23 13:38:14,130 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 13:38:14,130 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 144 states. [2018-07-23 13:38:14,132 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 144 to 144. [2018-07-23 13:38:14,132 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 144 states. [2018-07-23 13:38:14,133 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 144 states to 144 states and 144 transitions. [2018-07-23 13:38:14,133 INFO L78 Accepts]: Start accepts. Automaton has 144 states and 144 transitions. Word has length 142 [2018-07-23 13:38:14,133 INFO L84 Accepts]: Finished accepts. word is rejected. [2018-07-23 13:38:14,133 INFO L471 AbstractCegarLoop]: Abstraction has 144 states and 144 transitions. [2018-07-23 13:38:14,133 INFO L472 AbstractCegarLoop]: Interpolant automaton has 142 states. [2018-07-23 13:38:14,133 INFO L276 IsEmpty]: Start isEmpty. Operand 144 states and 144 transitions. [2018-07-23 13:38:14,134 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 144 [2018-07-23 13:38:14,134 INFO L349 BasicCegarLoop]: Found error trace [2018-07-23 13:38:14,134 INFO L357 BasicCegarLoop]: trace histogram [140, 1, 1, 1] [2018-07-23 13:38:14,134 INFO L414 AbstractCegarLoop]: === Iteration 141 === [ULTIMATE.startErr0AssertViolationASSERT]=== [2018-07-23 13:38:14,134 INFO L82 PathProgramCache]: Analyzing trace with hash 1278431873, now seen corresponding path program 140 times [2018-07-23 13:38:14,134 INFO L69 tionRefinementEngine]: Using refinement strategy FixedRefinementStrategy [2018-07-23 13:38:14,192 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-07-23 13:38:14,638 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 13:38:14,638 INFO L309 seRefinementStrategy]: Constructing automaton from 0 perfect and 1 imperfect interpolant sequences. [2018-07-23 13:38:14,638 INFO L324 seRefinementStrategy]: Number of different interpolants: perfect sequences [] imperfect sequences [142] total 142 [2018-07-23 13:38:14,638 INFO L142 lantAutomatonBuilder]: Constructing canonical interpolant automaton, with selfloop in false state [2018-07-23 13:38:14,638 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 13:38:14,639 INFO L185 omatonBuilderFactory]: Interpolants [52480#(<= ULTIMATE.start_main_~i~4 76), 52481#(<= ULTIMATE.start_main_~i~4 78), 52482#(<= ULTIMATE.start_main_~i~4 80), 52483#(<= ULTIMATE.start_main_~i~4 82), 52484#(<= ULTIMATE.start_main_~i~4 84), 52485#(<= ULTIMATE.start_main_~i~4 86), 52486#(<= ULTIMATE.start_main_~i~4 88), 52487#(<= ULTIMATE.start_main_~i~4 90), 52488#(<= ULTIMATE.start_main_~i~4 92), 52489#(<= ULTIMATE.start_main_~i~4 94), 52490#(<= ULTIMATE.start_main_~i~4 96), 52491#(<= ULTIMATE.start_main_~i~4 98), 52492#(<= ULTIMATE.start_main_~i~4 100), 52493#(<= ULTIMATE.start_main_~i~4 102), 52494#(<= ULTIMATE.start_main_~i~4 104), 52495#(<= ULTIMATE.start_main_~i~4 106), 52496#(<= ULTIMATE.start_main_~i~4 108), 52497#(<= ULTIMATE.start_main_~i~4 110), 52498#(<= ULTIMATE.start_main_~i~4 112), 52499#(<= ULTIMATE.start_main_~i~4 114), 52500#(<= ULTIMATE.start_main_~i~4 116), 52501#(<= ULTIMATE.start_main_~i~4 118), 52502#(<= ULTIMATE.start_main_~i~4 120), 52503#(<= ULTIMATE.start_main_~i~4 122), 52504#(<= ULTIMATE.start_main_~i~4 124), 52505#(<= ULTIMATE.start_main_~i~4 126), 52506#(<= ULTIMATE.start_main_~i~4 128), 52507#(<= ULTIMATE.start_main_~i~4 130), 52508#(<= ULTIMATE.start_main_~i~4 132), 52509#(<= ULTIMATE.start_main_~i~4 134), 52510#(<= ULTIMATE.start_main_~i~4 136), 52511#(<= ULTIMATE.start_main_~i~4 138), 52512#(<= ULTIMATE.start_main_~i~4 140), 52513#(<= ULTIMATE.start_main_~i~4 142), 52514#(<= ULTIMATE.start_main_~i~4 144), 52515#(<= ULTIMATE.start_main_~i~4 146), 52516#(<= ULTIMATE.start_main_~i~4 148), 52517#(<= ULTIMATE.start_main_~i~4 150), 52518#(<= ULTIMATE.start_main_~i~4 152), 52519#(<= ULTIMATE.start_main_~i~4 154), 52520#(<= ULTIMATE.start_main_~i~4 156), 52521#(<= ULTIMATE.start_main_~i~4 158), 52522#(<= ULTIMATE.start_main_~i~4 160), 52523#(<= ULTIMATE.start_main_~i~4 162), 52524#(<= ULTIMATE.start_main_~i~4 164), 52525#(<= ULTIMATE.start_main_~i~4 166), 52526#(<= ULTIMATE.start_main_~i~4 168), 52527#(<= ULTIMATE.start_main_~i~4 170), 52528#(<= ULTIMATE.start_main_~i~4 172), 52529#(<= ULTIMATE.start_main_~i~4 174), 52530#(<= ULTIMATE.start_main_~i~4 176), 52531#(<= ULTIMATE.start_main_~i~4 178), 52532#(<= ULTIMATE.start_main_~i~4 180), 52533#(<= ULTIMATE.start_main_~i~4 182), 52534#(<= ULTIMATE.start_main_~i~4 184), 52535#(<= ULTIMATE.start_main_~i~4 186), 52536#(<= ULTIMATE.start_main_~i~4 188), 52537#(<= ULTIMATE.start_main_~i~4 190), 52538#(<= ULTIMATE.start_main_~i~4 192), 52539#(<= ULTIMATE.start_main_~i~4 194), 52540#(<= ULTIMATE.start_main_~i~4 196), 52541#(<= ULTIMATE.start_main_~i~4 198), 52542#(<= ULTIMATE.start_main_~i~4 200), 52543#(<= ULTIMATE.start_main_~i~4 202), 52544#(<= ULTIMATE.start_main_~i~4 204), 52545#(<= ULTIMATE.start_main_~i~4 206), 52546#(<= ULTIMATE.start_main_~i~4 208), 52547#(<= ULTIMATE.start_main_~i~4 210), 52548#(<= ULTIMATE.start_main_~i~4 212), 52549#(<= ULTIMATE.start_main_~i~4 214), 52550#(<= ULTIMATE.start_main_~i~4 216), 52551#(<= ULTIMATE.start_main_~i~4 218), 52552#(<= ULTIMATE.start_main_~i~4 220), 52553#(<= ULTIMATE.start_main_~i~4 222), 52554#(<= ULTIMATE.start_main_~i~4 224), 52555#(<= ULTIMATE.start_main_~i~4 226), 52556#(<= ULTIMATE.start_main_~i~4 228), 52557#(<= ULTIMATE.start_main_~i~4 230), 52558#(<= ULTIMATE.start_main_~i~4 232), 52559#(<= ULTIMATE.start_main_~i~4 234), 52560#(<= ULTIMATE.start_main_~i~4 236), 52561#(<= ULTIMATE.start_main_~i~4 238), 52562#(<= ULTIMATE.start_main_~i~4 240), 52563#(<= ULTIMATE.start_main_~i~4 242), 52564#(<= ULTIMATE.start_main_~i~4 244), 52565#(<= ULTIMATE.start_main_~i~4 246), 52566#(<= ULTIMATE.start_main_~i~4 248), 52567#(<= ULTIMATE.start_main_~i~4 250), 52568#(<= ULTIMATE.start_main_~i~4 252), 52569#(<= ULTIMATE.start_main_~i~4 254), 52570#(<= ULTIMATE.start_main_~i~4 256), 52571#(<= ULTIMATE.start_main_~i~4 258), 52572#(<= ULTIMATE.start_main_~i~4 260), 52573#(<= ULTIMATE.start_main_~i~4 262), 52574#(<= ULTIMATE.start_main_~i~4 264), 52575#(<= ULTIMATE.start_main_~i~4 266), 52576#(<= ULTIMATE.start_main_~i~4 268), 52577#(<= ULTIMATE.start_main_~i~4 270), 52578#(<= ULTIMATE.start_main_~i~4 272), 52579#(<= ULTIMATE.start_main_~i~4 274), 52580#(<= ULTIMATE.start_main_~i~4 276), 52581#(<= ULTIMATE.start_main_~i~4 278), 52582#(<= ULTIMATE.start_main_~i~4 280), 52440#true, 52441#false, 52442#(<= ULTIMATE.start_main_~i~4 0), 52443#(<= ULTIMATE.start_main_~i~4 2), 52444#(<= ULTIMATE.start_main_~i~4 4), 52445#(<= ULTIMATE.start_main_~i~4 6), 52446#(<= ULTIMATE.start_main_~i~4 8), 52447#(<= ULTIMATE.start_main_~i~4 10), 52448#(<= ULTIMATE.start_main_~i~4 12), 52449#(<= ULTIMATE.start_main_~i~4 14), 52450#(<= ULTIMATE.start_main_~i~4 16), 52451#(<= ULTIMATE.start_main_~i~4 18), 52452#(<= ULTIMATE.start_main_~i~4 20), 52453#(<= ULTIMATE.start_main_~i~4 22), 52454#(<= ULTIMATE.start_main_~i~4 24), 52455#(<= ULTIMATE.start_main_~i~4 26), 52456#(<= ULTIMATE.start_main_~i~4 28), 52457#(<= ULTIMATE.start_main_~i~4 30), 52458#(<= ULTIMATE.start_main_~i~4 32), 52459#(<= ULTIMATE.start_main_~i~4 34), 52460#(<= ULTIMATE.start_main_~i~4 36), 52461#(<= ULTIMATE.start_main_~i~4 38), 52462#(<= ULTIMATE.start_main_~i~4 40), 52463#(<= ULTIMATE.start_main_~i~4 42), 52464#(<= ULTIMATE.start_main_~i~4 44), 52465#(<= ULTIMATE.start_main_~i~4 46), 52466#(<= ULTIMATE.start_main_~i~4 48), 52467#(<= ULTIMATE.start_main_~i~4 50), 52468#(<= ULTIMATE.start_main_~i~4 52), 52469#(<= ULTIMATE.start_main_~i~4 54), 52470#(<= ULTIMATE.start_main_~i~4 56), 52471#(<= ULTIMATE.start_main_~i~4 58), 52472#(<= ULTIMATE.start_main_~i~4 60), 52473#(<= ULTIMATE.start_main_~i~4 62), 52474#(<= ULTIMATE.start_main_~i~4 64), 52475#(<= ULTIMATE.start_main_~i~4 66), 52476#(<= ULTIMATE.start_main_~i~4 68), 52477#(<= ULTIMATE.start_main_~i~4 70), 52478#(<= ULTIMATE.start_main_~i~4 72), 52479#(<= ULTIMATE.start_main_~i~4 74)] [2018-07-23 13:38:14,639 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 13:38:14,639 INFO L450 AbstractCegarLoop]: Interpolant automaton has 143 states [2018-07-23 13:38:14,640 INFO L132 InterpolantAutomaton]: Constructing interpolant automaton starting with 143 interpolants. [2018-07-23 13:38:14,640 INFO L133 InterpolantAutomaton]: CoverageRelationStatistics Valid=10153, Invalid=10153, Unknown=0, NotChecked=0, Total=20306 [2018-07-23 13:38:14,640 INFO L87 Difference]: Start difference. First operand 144 states and 144 transitions. Second operand 143 states. [2018-07-23 13:38:14,812 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2018-07-23 13:38:14,812 INFO L93 Difference]: Finished difference Result 147 states and 147 transitions. [2018-07-23 13:38:14,812 INFO L142 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 143 states. [2018-07-23 13:38:14,812 INFO L78 Accepts]: Start accepts. Automaton has 143 states. Word has length 143 [2018-07-23 13:38:14,812 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2018-07-23 13:38:14,813 INFO L225 Difference]: With dead ends: 147 [2018-07-23 13:38:14,813 INFO L226 Difference]: Without dead ends: 145 [2018-07-23 13:38:14,813 INFO L575 BasicCegarLoop]: 0 DeclaredPredicates, 142 GetRequests, 1 SyntacticMatches, 0 SemanticMatches, 141 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 0 ImplicationChecksByTransitivity, 0.4s TimeCoverageRelationStatistics Valid=10153, Invalid=10153, Unknown=0, NotChecked=0, Total=20306 [2018-07-23 13:38:14,814 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 145 states. [2018-07-23 13:38:14,815 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 145 to 145. [2018-07-23 13:38:14,815 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 145 states. [2018-07-23 13:38:14,815 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 145 states to 145 states and 145 transitions. [2018-07-23 13:38:14,815 INFO L78 Accepts]: Start accepts. Automaton has 145 states and 145 transitions. Word has length 143 [2018-07-23 13:38:14,815 INFO L84 Accepts]: Finished accepts. word is rejected. [2018-07-23 13:38:14,816 INFO L471 AbstractCegarLoop]: Abstraction has 145 states and 145 transitions. [2018-07-23 13:38:14,816 INFO L472 AbstractCegarLoop]: Interpolant automaton has 143 states. [2018-07-23 13:38:14,816 INFO L276 IsEmpty]: Start isEmpty. Operand 145 states and 145 transitions. [2018-07-23 13:38:14,816 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 145 [2018-07-23 13:38:14,816 INFO L349 BasicCegarLoop]: Found error trace [2018-07-23 13:38:14,816 INFO L357 BasicCegarLoop]: trace histogram [141, 1, 1, 1] [2018-07-23 13:38:14,816 INFO L414 AbstractCegarLoop]: === Iteration 142 === [ULTIMATE.startErr0AssertViolationASSERT]=== [2018-07-23 13:38:14,817 INFO L82 PathProgramCache]: Analyzing trace with hash 976680424, now seen corresponding path program 141 times [2018-07-23 13:38:14,817 INFO L69 tionRefinementEngine]: Using refinement strategy FixedRefinementStrategy [2018-07-23 13:38:14,873 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-07-23 13:38:15,273 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 13:38:15,274 INFO L309 seRefinementStrategy]: Constructing automaton from 0 perfect and 1 imperfect interpolant sequences. [2018-07-23 13:38:15,274 INFO L324 seRefinementStrategy]: Number of different interpolants: perfect sequences [] imperfect sequences [143] total 143 [2018-07-23 13:38:15,274 INFO L142 lantAutomatonBuilder]: Constructing canonical interpolant automaton, with selfloop in false state [2018-07-23 13:38:15,274 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2018-07-23 13:38:15,274 INFO L185 omatonBuilderFactory]: Interpolants [53248#(<= ULTIMATE.start_main_~i~4 158), 53249#(<= ULTIMATE.start_main_~i~4 160), 53250#(<= ULTIMATE.start_main_~i~4 162), 53251#(<= ULTIMATE.start_main_~i~4 164), 53252#(<= ULTIMATE.start_main_~i~4 166), 53253#(<= ULTIMATE.start_main_~i~4 168), 53254#(<= ULTIMATE.start_main_~i~4 170), 53255#(<= ULTIMATE.start_main_~i~4 172), 53256#(<= ULTIMATE.start_main_~i~4 174), 53257#(<= ULTIMATE.start_main_~i~4 176), 53258#(<= ULTIMATE.start_main_~i~4 178), 53259#(<= ULTIMATE.start_main_~i~4 180), 53260#(<= ULTIMATE.start_main_~i~4 182), 53261#(<= ULTIMATE.start_main_~i~4 184), 53262#(<= ULTIMATE.start_main_~i~4 186), 53263#(<= ULTIMATE.start_main_~i~4 188), 53264#(<= ULTIMATE.start_main_~i~4 190), 53265#(<= ULTIMATE.start_main_~i~4 192), 53266#(<= ULTIMATE.start_main_~i~4 194), 53267#(<= ULTIMATE.start_main_~i~4 196), 53268#(<= ULTIMATE.start_main_~i~4 198), 53269#(<= ULTIMATE.start_main_~i~4 200), 53270#(<= ULTIMATE.start_main_~i~4 202), 53271#(<= ULTIMATE.start_main_~i~4 204), 53272#(<= ULTIMATE.start_main_~i~4 206), 53273#(<= ULTIMATE.start_main_~i~4 208), 53274#(<= ULTIMATE.start_main_~i~4 210), 53275#(<= ULTIMATE.start_main_~i~4 212), 53276#(<= ULTIMATE.start_main_~i~4 214), 53277#(<= ULTIMATE.start_main_~i~4 216), 53278#(<= ULTIMATE.start_main_~i~4 218), 53279#(<= ULTIMATE.start_main_~i~4 220), 53280#(<= ULTIMATE.start_main_~i~4 222), 53281#(<= ULTIMATE.start_main_~i~4 224), 53282#(<= ULTIMATE.start_main_~i~4 226), 53283#(<= ULTIMATE.start_main_~i~4 228), 53284#(<= ULTIMATE.start_main_~i~4 230), 53285#(<= ULTIMATE.start_main_~i~4 232), 53286#(<= ULTIMATE.start_main_~i~4 234), 53287#(<= ULTIMATE.start_main_~i~4 236), 53288#(<= ULTIMATE.start_main_~i~4 238), 53289#(<= ULTIMATE.start_main_~i~4 240), 53290#(<= ULTIMATE.start_main_~i~4 242), 53291#(<= ULTIMATE.start_main_~i~4 244), 53292#(<= ULTIMATE.start_main_~i~4 246), 53293#(<= ULTIMATE.start_main_~i~4 248), 53294#(<= ULTIMATE.start_main_~i~4 250), 53295#(<= ULTIMATE.start_main_~i~4 252), 53296#(<= ULTIMATE.start_main_~i~4 254), 53297#(<= ULTIMATE.start_main_~i~4 256), 53298#(<= ULTIMATE.start_main_~i~4 258), 53299#(<= ULTIMATE.start_main_~i~4 260), 53300#(<= ULTIMATE.start_main_~i~4 262), 53301#(<= ULTIMATE.start_main_~i~4 264), 53302#(<= ULTIMATE.start_main_~i~4 266), 53303#(<= ULTIMATE.start_main_~i~4 268), 53304#(<= ULTIMATE.start_main_~i~4 270), 53305#(<= ULTIMATE.start_main_~i~4 272), 53306#(<= ULTIMATE.start_main_~i~4 274), 53307#(<= ULTIMATE.start_main_~i~4 276), 53308#(<= ULTIMATE.start_main_~i~4 278), 53309#(<= ULTIMATE.start_main_~i~4 280), 53310#(<= ULTIMATE.start_main_~i~4 282), 53167#true, 53168#false, 53169#(<= ULTIMATE.start_main_~i~4 0), 53170#(<= ULTIMATE.start_main_~i~4 2), 53171#(<= ULTIMATE.start_main_~i~4 4), 53172#(<= ULTIMATE.start_main_~i~4 6), 53173#(<= ULTIMATE.start_main_~i~4 8), 53174#(<= ULTIMATE.start_main_~i~4 10), 53175#(<= ULTIMATE.start_main_~i~4 12), 53176#(<= ULTIMATE.start_main_~i~4 14), 53177#(<= ULTIMATE.start_main_~i~4 16), 53178#(<= ULTIMATE.start_main_~i~4 18), 53179#(<= ULTIMATE.start_main_~i~4 20), 53180#(<= ULTIMATE.start_main_~i~4 22), 53181#(<= ULTIMATE.start_main_~i~4 24), 53182#(<= ULTIMATE.start_main_~i~4 26), 53183#(<= ULTIMATE.start_main_~i~4 28), 53184#(<= ULTIMATE.start_main_~i~4 30), 53185#(<= ULTIMATE.start_main_~i~4 32), 53186#(<= ULTIMATE.start_main_~i~4 34), 53187#(<= ULTIMATE.start_main_~i~4 36), 53188#(<= ULTIMATE.start_main_~i~4 38), 53189#(<= ULTIMATE.start_main_~i~4 40), 53190#(<= ULTIMATE.start_main_~i~4 42), 53191#(<= ULTIMATE.start_main_~i~4 44), 53192#(<= ULTIMATE.start_main_~i~4 46), 53193#(<= ULTIMATE.start_main_~i~4 48), 53194#(<= ULTIMATE.start_main_~i~4 50), 53195#(<= ULTIMATE.start_main_~i~4 52), 53196#(<= ULTIMATE.start_main_~i~4 54), 53197#(<= ULTIMATE.start_main_~i~4 56), 53198#(<= ULTIMATE.start_main_~i~4 58), 53199#(<= ULTIMATE.start_main_~i~4 60), 53200#(<= ULTIMATE.start_main_~i~4 62), 53201#(<= ULTIMATE.start_main_~i~4 64), 53202#(<= ULTIMATE.start_main_~i~4 66), 53203#(<= ULTIMATE.start_main_~i~4 68), 53204#(<= ULTIMATE.start_main_~i~4 70), 53205#(<= ULTIMATE.start_main_~i~4 72), 53206#(<= ULTIMATE.start_main_~i~4 74), 53207#(<= ULTIMATE.start_main_~i~4 76), 53208#(<= ULTIMATE.start_main_~i~4 78), 53209#(<= ULTIMATE.start_main_~i~4 80), 53210#(<= ULTIMATE.start_main_~i~4 82), 53211#(<= ULTIMATE.start_main_~i~4 84), 53212#(<= ULTIMATE.start_main_~i~4 86), 53213#(<= ULTIMATE.start_main_~i~4 88), 53214#(<= ULTIMATE.start_main_~i~4 90), 53215#(<= ULTIMATE.start_main_~i~4 92), 53216#(<= ULTIMATE.start_main_~i~4 94), 53217#(<= ULTIMATE.start_main_~i~4 96), 53218#(<= ULTIMATE.start_main_~i~4 98), 53219#(<= ULTIMATE.start_main_~i~4 100), 53220#(<= ULTIMATE.start_main_~i~4 102), 53221#(<= ULTIMATE.start_main_~i~4 104), 53222#(<= ULTIMATE.start_main_~i~4 106), 53223#(<= ULTIMATE.start_main_~i~4 108), 53224#(<= ULTIMATE.start_main_~i~4 110), 53225#(<= ULTIMATE.start_main_~i~4 112), 53226#(<= ULTIMATE.start_main_~i~4 114), 53227#(<= ULTIMATE.start_main_~i~4 116), 53228#(<= ULTIMATE.start_main_~i~4 118), 53229#(<= ULTIMATE.start_main_~i~4 120), 53230#(<= ULTIMATE.start_main_~i~4 122), 53231#(<= ULTIMATE.start_main_~i~4 124), 53232#(<= ULTIMATE.start_main_~i~4 126), 53233#(<= ULTIMATE.start_main_~i~4 128), 53234#(<= ULTIMATE.start_main_~i~4 130), 53235#(<= ULTIMATE.start_main_~i~4 132), 53236#(<= ULTIMATE.start_main_~i~4 134), 53237#(<= ULTIMATE.start_main_~i~4 136), 53238#(<= ULTIMATE.start_main_~i~4 138), 53239#(<= ULTIMATE.start_main_~i~4 140), 53240#(<= ULTIMATE.start_main_~i~4 142), 53241#(<= ULTIMATE.start_main_~i~4 144), 53242#(<= ULTIMATE.start_main_~i~4 146), 53243#(<= ULTIMATE.start_main_~i~4 148), 53244#(<= ULTIMATE.start_main_~i~4 150), 53245#(<= ULTIMATE.start_main_~i~4 152), 53246#(<= ULTIMATE.start_main_~i~4 154), 53247#(<= ULTIMATE.start_main_~i~4 156)] [2018-07-23 13:38:15,275 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 13:38:15,275 INFO L450 AbstractCegarLoop]: Interpolant automaton has 144 states [2018-07-23 13:38:15,276 INFO L132 InterpolantAutomaton]: Constructing interpolant automaton starting with 144 interpolants. [2018-07-23 13:38:15,277 INFO L133 InterpolantAutomaton]: CoverageRelationStatistics Valid=10296, Invalid=10296, Unknown=0, NotChecked=0, Total=20592 [2018-07-23 13:38:15,277 INFO L87 Difference]: Start difference. First operand 145 states and 145 transitions. Second operand 144 states. [2018-07-23 13:38:15,368 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2018-07-23 13:38:15,368 INFO L93 Difference]: Finished difference Result 148 states and 148 transitions. [2018-07-23 13:38:15,369 INFO L142 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 144 states. [2018-07-23 13:38:15,369 INFO L78 Accepts]: Start accepts. Automaton has 144 states. Word has length 144 [2018-07-23 13:38:15,369 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2018-07-23 13:38:15,369 INFO L225 Difference]: With dead ends: 148 [2018-07-23 13:38:15,369 INFO L226 Difference]: Without dead ends: 146 [2018-07-23 13:38:15,370 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 13:38:15,371 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 146 states. [2018-07-23 13:38:15,373 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 146 to 146. [2018-07-23 13:38:15,373 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 146 states. [2018-07-23 13:38:15,373 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 146 states to 146 states and 146 transitions. [2018-07-23 13:38:15,373 INFO L78 Accepts]: Start accepts. Automaton has 146 states and 146 transitions. Word has length 144 [2018-07-23 13:38:15,373 INFO L84 Accepts]: Finished accepts. word is rejected. [2018-07-23 13:38:15,374 INFO L471 AbstractCegarLoop]: Abstraction has 146 states and 146 transitions. [2018-07-23 13:38:15,374 INFO L472 AbstractCegarLoop]: Interpolant automaton has 144 states. [2018-07-23 13:38:15,374 INFO L276 IsEmpty]: Start isEmpty. Operand 146 states and 146 transitions. [2018-07-23 13:38:15,374 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 146 [2018-07-23 13:38:15,374 INFO L349 BasicCegarLoop]: Found error trace [2018-07-23 13:38:15,374 INFO L357 BasicCegarLoop]: trace histogram [142, 1, 1, 1] [2018-07-23 13:38:15,375 INFO L414 AbstractCegarLoop]: === Iteration 143 === [ULTIMATE.startErr0AssertViolationASSERT]=== [2018-07-23 13:38:15,375 INFO L82 PathProgramCache]: Analyzing trace with hash 212320097, now seen corresponding path program 142 times [2018-07-23 13:38:15,375 INFO L69 tionRefinementEngine]: Using refinement strategy FixedRefinementStrategy [2018-07-23 13:38:15,429 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-07-23 13:38:16,078 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 13:38:16,078 INFO L309 seRefinementStrategy]: Constructing automaton from 0 perfect and 1 imperfect interpolant sequences. [2018-07-23 13:38:16,078 INFO L324 seRefinementStrategy]: Number of different interpolants: perfect sequences [] imperfect sequences [144] total 144 [2018-07-23 13:38:16,079 INFO L142 lantAutomatonBuilder]: Constructing canonical interpolant automaton, with selfloop in false state [2018-07-23 13:38:16,079 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2018-07-23 13:38:16,079 INFO L185 omatonBuilderFactory]: Interpolants [54016#(<= ULTIMATE.start_main_~i~4 230), 54017#(<= ULTIMATE.start_main_~i~4 232), 54018#(<= ULTIMATE.start_main_~i~4 234), 54019#(<= ULTIMATE.start_main_~i~4 236), 54020#(<= ULTIMATE.start_main_~i~4 238), 54021#(<= ULTIMATE.start_main_~i~4 240), 54022#(<= ULTIMATE.start_main_~i~4 242), 54023#(<= ULTIMATE.start_main_~i~4 244), 54024#(<= ULTIMATE.start_main_~i~4 246), 54025#(<= ULTIMATE.start_main_~i~4 248), 54026#(<= ULTIMATE.start_main_~i~4 250), 54027#(<= ULTIMATE.start_main_~i~4 252), 54028#(<= ULTIMATE.start_main_~i~4 254), 54029#(<= ULTIMATE.start_main_~i~4 256), 54030#(<= ULTIMATE.start_main_~i~4 258), 54031#(<= ULTIMATE.start_main_~i~4 260), 54032#(<= ULTIMATE.start_main_~i~4 262), 54033#(<= ULTIMATE.start_main_~i~4 264), 54034#(<= ULTIMATE.start_main_~i~4 266), 54035#(<= ULTIMATE.start_main_~i~4 268), 54036#(<= ULTIMATE.start_main_~i~4 270), 54037#(<= ULTIMATE.start_main_~i~4 272), 54038#(<= ULTIMATE.start_main_~i~4 274), 54039#(<= ULTIMATE.start_main_~i~4 276), 54040#(<= ULTIMATE.start_main_~i~4 278), 54041#(<= ULTIMATE.start_main_~i~4 280), 54042#(<= ULTIMATE.start_main_~i~4 282), 54043#(<= ULTIMATE.start_main_~i~4 284), 53899#true, 53900#false, 53901#(<= ULTIMATE.start_main_~i~4 0), 53902#(<= ULTIMATE.start_main_~i~4 2), 53903#(<= ULTIMATE.start_main_~i~4 4), 53904#(<= ULTIMATE.start_main_~i~4 6), 53905#(<= ULTIMATE.start_main_~i~4 8), 53906#(<= ULTIMATE.start_main_~i~4 10), 53907#(<= ULTIMATE.start_main_~i~4 12), 53908#(<= ULTIMATE.start_main_~i~4 14), 53909#(<= ULTIMATE.start_main_~i~4 16), 53910#(<= ULTIMATE.start_main_~i~4 18), 53911#(<= ULTIMATE.start_main_~i~4 20), 53912#(<= ULTIMATE.start_main_~i~4 22), 53913#(<= ULTIMATE.start_main_~i~4 24), 53914#(<= ULTIMATE.start_main_~i~4 26), 53915#(<= ULTIMATE.start_main_~i~4 28), 53916#(<= ULTIMATE.start_main_~i~4 30), 53917#(<= ULTIMATE.start_main_~i~4 32), 53918#(<= ULTIMATE.start_main_~i~4 34), 53919#(<= ULTIMATE.start_main_~i~4 36), 53920#(<= ULTIMATE.start_main_~i~4 38), 53921#(<= ULTIMATE.start_main_~i~4 40), 53922#(<= ULTIMATE.start_main_~i~4 42), 53923#(<= ULTIMATE.start_main_~i~4 44), 53924#(<= ULTIMATE.start_main_~i~4 46), 53925#(<= ULTIMATE.start_main_~i~4 48), 53926#(<= ULTIMATE.start_main_~i~4 50), 53927#(<= ULTIMATE.start_main_~i~4 52), 53928#(<= ULTIMATE.start_main_~i~4 54), 53929#(<= ULTIMATE.start_main_~i~4 56), 53930#(<= ULTIMATE.start_main_~i~4 58), 53931#(<= ULTIMATE.start_main_~i~4 60), 53932#(<= ULTIMATE.start_main_~i~4 62), 53933#(<= ULTIMATE.start_main_~i~4 64), 53934#(<= ULTIMATE.start_main_~i~4 66), 53935#(<= ULTIMATE.start_main_~i~4 68), 53936#(<= ULTIMATE.start_main_~i~4 70), 53937#(<= ULTIMATE.start_main_~i~4 72), 53938#(<= ULTIMATE.start_main_~i~4 74), 53939#(<= ULTIMATE.start_main_~i~4 76), 53940#(<= ULTIMATE.start_main_~i~4 78), 53941#(<= ULTIMATE.start_main_~i~4 80), 53942#(<= ULTIMATE.start_main_~i~4 82), 53943#(<= ULTIMATE.start_main_~i~4 84), 53944#(<= ULTIMATE.start_main_~i~4 86), 53945#(<= ULTIMATE.start_main_~i~4 88), 53946#(<= ULTIMATE.start_main_~i~4 90), 53947#(<= ULTIMATE.start_main_~i~4 92), 53948#(<= ULTIMATE.start_main_~i~4 94), 53949#(<= ULTIMATE.start_main_~i~4 96), 53950#(<= ULTIMATE.start_main_~i~4 98), 53951#(<= ULTIMATE.start_main_~i~4 100), 53952#(<= ULTIMATE.start_main_~i~4 102), 53953#(<= ULTIMATE.start_main_~i~4 104), 53954#(<= ULTIMATE.start_main_~i~4 106), 53955#(<= ULTIMATE.start_main_~i~4 108), 53956#(<= ULTIMATE.start_main_~i~4 110), 53957#(<= ULTIMATE.start_main_~i~4 112), 53958#(<= ULTIMATE.start_main_~i~4 114), 53959#(<= ULTIMATE.start_main_~i~4 116), 53960#(<= ULTIMATE.start_main_~i~4 118), 53961#(<= ULTIMATE.start_main_~i~4 120), 53962#(<= ULTIMATE.start_main_~i~4 122), 53963#(<= ULTIMATE.start_main_~i~4 124), 53964#(<= ULTIMATE.start_main_~i~4 126), 53965#(<= ULTIMATE.start_main_~i~4 128), 53966#(<= ULTIMATE.start_main_~i~4 130), 53967#(<= ULTIMATE.start_main_~i~4 132), 53968#(<= ULTIMATE.start_main_~i~4 134), 53969#(<= ULTIMATE.start_main_~i~4 136), 53970#(<= ULTIMATE.start_main_~i~4 138), 53971#(<= ULTIMATE.start_main_~i~4 140), 53972#(<= ULTIMATE.start_main_~i~4 142), 53973#(<= ULTIMATE.start_main_~i~4 144), 53974#(<= ULTIMATE.start_main_~i~4 146), 53975#(<= ULTIMATE.start_main_~i~4 148), 53976#(<= ULTIMATE.start_main_~i~4 150), 53977#(<= ULTIMATE.start_main_~i~4 152), 53978#(<= ULTIMATE.start_main_~i~4 154), 53979#(<= ULTIMATE.start_main_~i~4 156), 53980#(<= ULTIMATE.start_main_~i~4 158), 53981#(<= ULTIMATE.start_main_~i~4 160), 53982#(<= ULTIMATE.start_main_~i~4 162), 53983#(<= ULTIMATE.start_main_~i~4 164), 53984#(<= ULTIMATE.start_main_~i~4 166), 53985#(<= ULTIMATE.start_main_~i~4 168), 53986#(<= ULTIMATE.start_main_~i~4 170), 53987#(<= ULTIMATE.start_main_~i~4 172), 53988#(<= ULTIMATE.start_main_~i~4 174), 53989#(<= ULTIMATE.start_main_~i~4 176), 53990#(<= ULTIMATE.start_main_~i~4 178), 53991#(<= ULTIMATE.start_main_~i~4 180), 53992#(<= ULTIMATE.start_main_~i~4 182), 53993#(<= ULTIMATE.start_main_~i~4 184), 53994#(<= ULTIMATE.start_main_~i~4 186), 53995#(<= ULTIMATE.start_main_~i~4 188), 53996#(<= ULTIMATE.start_main_~i~4 190), 53997#(<= ULTIMATE.start_main_~i~4 192), 53998#(<= ULTIMATE.start_main_~i~4 194), 53999#(<= ULTIMATE.start_main_~i~4 196), 54000#(<= ULTIMATE.start_main_~i~4 198), 54001#(<= ULTIMATE.start_main_~i~4 200), 54002#(<= ULTIMATE.start_main_~i~4 202), 54003#(<= ULTIMATE.start_main_~i~4 204), 54004#(<= ULTIMATE.start_main_~i~4 206), 54005#(<= ULTIMATE.start_main_~i~4 208), 54006#(<= ULTIMATE.start_main_~i~4 210), 54007#(<= ULTIMATE.start_main_~i~4 212), 54008#(<= ULTIMATE.start_main_~i~4 214), 54009#(<= ULTIMATE.start_main_~i~4 216), 54010#(<= ULTIMATE.start_main_~i~4 218), 54011#(<= ULTIMATE.start_main_~i~4 220), 54012#(<= ULTIMATE.start_main_~i~4 222), 54013#(<= ULTIMATE.start_main_~i~4 224), 54014#(<= ULTIMATE.start_main_~i~4 226), 54015#(<= ULTIMATE.start_main_~i~4 228)] [2018-07-23 13:38:16,080 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 13:38:16,080 INFO L450 AbstractCegarLoop]: Interpolant automaton has 145 states [2018-07-23 13:38:16,082 INFO L132 InterpolantAutomaton]: Constructing interpolant automaton starting with 145 interpolants. [2018-07-23 13:38:16,083 INFO L133 InterpolantAutomaton]: CoverageRelationStatistics Valid=10440, Invalid=10440, Unknown=0, NotChecked=0, Total=20880 [2018-07-23 13:38:16,083 INFO L87 Difference]: Start difference. First operand 146 states and 146 transitions. Second operand 145 states. [2018-07-23 13:38:16,325 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2018-07-23 13:38:16,325 INFO L93 Difference]: Finished difference Result 149 states and 149 transitions. [2018-07-23 13:38:16,325 INFO L142 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 145 states. [2018-07-23 13:38:16,325 INFO L78 Accepts]: Start accepts. Automaton has 145 states. Word has length 145 [2018-07-23 13:38:16,325 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2018-07-23 13:38:16,326 INFO L225 Difference]: With dead ends: 149 [2018-07-23 13:38:16,326 INFO L226 Difference]: Without dead ends: 147 [2018-07-23 13:38:16,327 INFO L575 BasicCegarLoop]: 0 DeclaredPredicates, 144 GetRequests, 1 SyntacticMatches, 0 SemanticMatches, 143 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 0 ImplicationChecksByTransitivity, 0.5s TimeCoverageRelationStatistics Valid=10440, Invalid=10440, Unknown=0, NotChecked=0, Total=20880 [2018-07-23 13:38:16,327 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 147 states. [2018-07-23 13:38:16,329 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 147 to 147. [2018-07-23 13:38:16,330 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 147 states. [2018-07-23 13:38:16,330 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 147 states to 147 states and 147 transitions. [2018-07-23 13:38:16,330 INFO L78 Accepts]: Start accepts. Automaton has 147 states and 147 transitions. Word has length 145 [2018-07-23 13:38:16,330 INFO L84 Accepts]: Finished accepts. word is rejected. [2018-07-23 13:38:16,330 INFO L471 AbstractCegarLoop]: Abstraction has 147 states and 147 transitions. [2018-07-23 13:38:16,330 INFO L472 AbstractCegarLoop]: Interpolant automaton has 145 states. [2018-07-23 13:38:16,330 INFO L276 IsEmpty]: Start isEmpty. Operand 147 states and 147 transitions. [2018-07-23 13:38:16,331 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 147 [2018-07-23 13:38:16,331 INFO L349 BasicCegarLoop]: Found error trace [2018-07-23 13:38:16,331 INFO L357 BasicCegarLoop]: trace histogram [143, 1, 1, 1] [2018-07-23 13:38:16,331 INFO L414 AbstractCegarLoop]: === Iteration 144 === [ULTIMATE.startErr0AssertViolationASSERT]=== [2018-07-23 13:38:16,331 INFO L82 PathProgramCache]: Analyzing trace with hash -2008013560, now seen corresponding path program 143 times [2018-07-23 13:38:16,332 INFO L69 tionRefinementEngine]: Using refinement strategy FixedRefinementStrategy [2018-07-23 13:38:16,392 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-07-23 13:38:16,821 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 13:38:16,822 INFO L309 seRefinementStrategy]: Constructing automaton from 0 perfect and 1 imperfect interpolant sequences. [2018-07-23 13:38:16,822 INFO L324 seRefinementStrategy]: Number of different interpolants: perfect sequences [] imperfect sequences [145] total 145 [2018-07-23 13:38:16,822 INFO L142 lantAutomatonBuilder]: Constructing canonical interpolant automaton, with selfloop in false state [2018-07-23 13:38:16,822 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 13:38:16,823 INFO L185 omatonBuilderFactory]: Interpolants [54636#true, 54637#false, 54638#(<= ULTIMATE.start_main_~i~4 0), 54639#(<= ULTIMATE.start_main_~i~4 2), 54640#(<= ULTIMATE.start_main_~i~4 4), 54641#(<= ULTIMATE.start_main_~i~4 6), 54642#(<= ULTIMATE.start_main_~i~4 8), 54643#(<= ULTIMATE.start_main_~i~4 10), 54644#(<= ULTIMATE.start_main_~i~4 12), 54645#(<= ULTIMATE.start_main_~i~4 14), 54646#(<= ULTIMATE.start_main_~i~4 16), 54647#(<= ULTIMATE.start_main_~i~4 18), 54648#(<= ULTIMATE.start_main_~i~4 20), 54649#(<= ULTIMATE.start_main_~i~4 22), 54650#(<= ULTIMATE.start_main_~i~4 24), 54651#(<= ULTIMATE.start_main_~i~4 26), 54652#(<= ULTIMATE.start_main_~i~4 28), 54653#(<= ULTIMATE.start_main_~i~4 30), 54654#(<= ULTIMATE.start_main_~i~4 32), 54655#(<= ULTIMATE.start_main_~i~4 34), 54656#(<= ULTIMATE.start_main_~i~4 36), 54657#(<= ULTIMATE.start_main_~i~4 38), 54658#(<= ULTIMATE.start_main_~i~4 40), 54659#(<= ULTIMATE.start_main_~i~4 42), 54660#(<= ULTIMATE.start_main_~i~4 44), 54661#(<= ULTIMATE.start_main_~i~4 46), 54662#(<= ULTIMATE.start_main_~i~4 48), 54663#(<= ULTIMATE.start_main_~i~4 50), 54664#(<= ULTIMATE.start_main_~i~4 52), 54665#(<= ULTIMATE.start_main_~i~4 54), 54666#(<= ULTIMATE.start_main_~i~4 56), 54667#(<= ULTIMATE.start_main_~i~4 58), 54668#(<= ULTIMATE.start_main_~i~4 60), 54669#(<= ULTIMATE.start_main_~i~4 62), 54670#(<= ULTIMATE.start_main_~i~4 64), 54671#(<= ULTIMATE.start_main_~i~4 66), 54672#(<= ULTIMATE.start_main_~i~4 68), 54673#(<= ULTIMATE.start_main_~i~4 70), 54674#(<= ULTIMATE.start_main_~i~4 72), 54675#(<= ULTIMATE.start_main_~i~4 74), 54676#(<= ULTIMATE.start_main_~i~4 76), 54677#(<= ULTIMATE.start_main_~i~4 78), 54678#(<= ULTIMATE.start_main_~i~4 80), 54679#(<= ULTIMATE.start_main_~i~4 82), 54680#(<= ULTIMATE.start_main_~i~4 84), 54681#(<= ULTIMATE.start_main_~i~4 86), 54682#(<= ULTIMATE.start_main_~i~4 88), 54683#(<= ULTIMATE.start_main_~i~4 90), 54684#(<= ULTIMATE.start_main_~i~4 92), 54685#(<= ULTIMATE.start_main_~i~4 94), 54686#(<= ULTIMATE.start_main_~i~4 96), 54687#(<= ULTIMATE.start_main_~i~4 98), 54688#(<= ULTIMATE.start_main_~i~4 100), 54689#(<= ULTIMATE.start_main_~i~4 102), 54690#(<= ULTIMATE.start_main_~i~4 104), 54691#(<= ULTIMATE.start_main_~i~4 106), 54692#(<= ULTIMATE.start_main_~i~4 108), 54693#(<= ULTIMATE.start_main_~i~4 110), 54694#(<= ULTIMATE.start_main_~i~4 112), 54695#(<= ULTIMATE.start_main_~i~4 114), 54696#(<= ULTIMATE.start_main_~i~4 116), 54697#(<= ULTIMATE.start_main_~i~4 118), 54698#(<= ULTIMATE.start_main_~i~4 120), 54699#(<= ULTIMATE.start_main_~i~4 122), 54700#(<= ULTIMATE.start_main_~i~4 124), 54701#(<= ULTIMATE.start_main_~i~4 126), 54702#(<= ULTIMATE.start_main_~i~4 128), 54703#(<= ULTIMATE.start_main_~i~4 130), 54704#(<= ULTIMATE.start_main_~i~4 132), 54705#(<= ULTIMATE.start_main_~i~4 134), 54706#(<= ULTIMATE.start_main_~i~4 136), 54707#(<= ULTIMATE.start_main_~i~4 138), 54708#(<= ULTIMATE.start_main_~i~4 140), 54709#(<= ULTIMATE.start_main_~i~4 142), 54710#(<= ULTIMATE.start_main_~i~4 144), 54711#(<= ULTIMATE.start_main_~i~4 146), 54712#(<= ULTIMATE.start_main_~i~4 148), 54713#(<= ULTIMATE.start_main_~i~4 150), 54714#(<= ULTIMATE.start_main_~i~4 152), 54715#(<= ULTIMATE.start_main_~i~4 154), 54716#(<= ULTIMATE.start_main_~i~4 156), 54717#(<= ULTIMATE.start_main_~i~4 158), 54718#(<= ULTIMATE.start_main_~i~4 160), 54719#(<= ULTIMATE.start_main_~i~4 162), 54720#(<= ULTIMATE.start_main_~i~4 164), 54721#(<= ULTIMATE.start_main_~i~4 166), 54722#(<= ULTIMATE.start_main_~i~4 168), 54723#(<= ULTIMATE.start_main_~i~4 170), 54724#(<= ULTIMATE.start_main_~i~4 172), 54725#(<= ULTIMATE.start_main_~i~4 174), 54726#(<= ULTIMATE.start_main_~i~4 176), 54727#(<= ULTIMATE.start_main_~i~4 178), 54728#(<= ULTIMATE.start_main_~i~4 180), 54729#(<= ULTIMATE.start_main_~i~4 182), 54730#(<= ULTIMATE.start_main_~i~4 184), 54731#(<= ULTIMATE.start_main_~i~4 186), 54732#(<= ULTIMATE.start_main_~i~4 188), 54733#(<= ULTIMATE.start_main_~i~4 190), 54734#(<= ULTIMATE.start_main_~i~4 192), 54735#(<= ULTIMATE.start_main_~i~4 194), 54736#(<= ULTIMATE.start_main_~i~4 196), 54737#(<= ULTIMATE.start_main_~i~4 198), 54738#(<= ULTIMATE.start_main_~i~4 200), 54739#(<= ULTIMATE.start_main_~i~4 202), 54740#(<= ULTIMATE.start_main_~i~4 204), 54741#(<= ULTIMATE.start_main_~i~4 206), 54742#(<= ULTIMATE.start_main_~i~4 208), 54743#(<= ULTIMATE.start_main_~i~4 210), 54744#(<= ULTIMATE.start_main_~i~4 212), 54745#(<= ULTIMATE.start_main_~i~4 214), 54746#(<= ULTIMATE.start_main_~i~4 216), 54747#(<= ULTIMATE.start_main_~i~4 218), 54748#(<= ULTIMATE.start_main_~i~4 220), 54749#(<= ULTIMATE.start_main_~i~4 222), 54750#(<= ULTIMATE.start_main_~i~4 224), 54751#(<= ULTIMATE.start_main_~i~4 226), 54752#(<= ULTIMATE.start_main_~i~4 228), 54753#(<= ULTIMATE.start_main_~i~4 230), 54754#(<= ULTIMATE.start_main_~i~4 232), 54755#(<= ULTIMATE.start_main_~i~4 234), 54756#(<= ULTIMATE.start_main_~i~4 236), 54757#(<= ULTIMATE.start_main_~i~4 238), 54758#(<= ULTIMATE.start_main_~i~4 240), 54759#(<= ULTIMATE.start_main_~i~4 242), 54760#(<= ULTIMATE.start_main_~i~4 244), 54761#(<= ULTIMATE.start_main_~i~4 246), 54762#(<= ULTIMATE.start_main_~i~4 248), 54763#(<= ULTIMATE.start_main_~i~4 250), 54764#(<= ULTIMATE.start_main_~i~4 252), 54765#(<= ULTIMATE.start_main_~i~4 254), 54766#(<= ULTIMATE.start_main_~i~4 256), 54767#(<= ULTIMATE.start_main_~i~4 258), 54768#(<= ULTIMATE.start_main_~i~4 260), 54769#(<= ULTIMATE.start_main_~i~4 262), 54770#(<= ULTIMATE.start_main_~i~4 264), 54771#(<= ULTIMATE.start_main_~i~4 266), 54772#(<= ULTIMATE.start_main_~i~4 268), 54773#(<= ULTIMATE.start_main_~i~4 270), 54774#(<= ULTIMATE.start_main_~i~4 272), 54775#(<= ULTIMATE.start_main_~i~4 274), 54776#(<= ULTIMATE.start_main_~i~4 276), 54777#(<= ULTIMATE.start_main_~i~4 278), 54778#(<= ULTIMATE.start_main_~i~4 280), 54779#(<= ULTIMATE.start_main_~i~4 282), 54780#(<= ULTIMATE.start_main_~i~4 284), 54781#(<= ULTIMATE.start_main_~i~4 286)] [2018-07-23 13:38:16,823 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 13:38:16,824 INFO L450 AbstractCegarLoop]: Interpolant automaton has 146 states [2018-07-23 13:38:16,825 INFO L132 InterpolantAutomaton]: Constructing interpolant automaton starting with 146 interpolants. [2018-07-23 13:38:16,826 INFO L133 InterpolantAutomaton]: CoverageRelationStatistics Valid=10585, Invalid=10585, Unknown=0, NotChecked=0, Total=21170 [2018-07-23 13:38:16,827 INFO L87 Difference]: Start difference. First operand 147 states and 147 transitions. Second operand 146 states. [2018-07-23 13:38:17,177 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2018-07-23 13:38:17,178 INFO L93 Difference]: Finished difference Result 150 states and 150 transitions. [2018-07-23 13:38:17,178 INFO L142 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 146 states. [2018-07-23 13:38:17,178 INFO L78 Accepts]: Start accepts. Automaton has 146 states. Word has length 146 [2018-07-23 13:38:17,178 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2018-07-23 13:38:17,178 INFO L225 Difference]: With dead ends: 150 [2018-07-23 13:38:17,178 INFO L226 Difference]: Without dead ends: 148 [2018-07-23 13:38:17,179 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 13:38:17,179 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 148 states. [2018-07-23 13:38:17,181 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 148 to 148. [2018-07-23 13:38:17,181 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 148 states. [2018-07-23 13:38:17,181 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 148 states to 148 states and 148 transitions. [2018-07-23 13:38:17,181 INFO L78 Accepts]: Start accepts. Automaton has 148 states and 148 transitions. Word has length 146 [2018-07-23 13:38:17,181 INFO L84 Accepts]: Finished accepts. word is rejected. [2018-07-23 13:38:17,181 INFO L471 AbstractCegarLoop]: Abstraction has 148 states and 148 transitions. [2018-07-23 13:38:17,181 INFO L472 AbstractCegarLoop]: Interpolant automaton has 146 states. [2018-07-23 13:38:17,182 INFO L276 IsEmpty]: Start isEmpty. Operand 148 states and 148 transitions. [2018-07-23 13:38:17,182 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 148 [2018-07-23 13:38:17,182 INFO L349 BasicCegarLoop]: Found error trace [2018-07-23 13:38:17,182 INFO L357 BasicCegarLoop]: trace histogram [144, 1, 1, 1] [2018-07-23 13:38:17,182 INFO L414 AbstractCegarLoop]: === Iteration 145 === [ULTIMATE.startErr0AssertViolationASSERT]=== [2018-07-23 13:38:17,182 INFO L82 PathProgramCache]: Analyzing trace with hash -2118880191, now seen corresponding path program 144 times [2018-07-23 13:38:17,182 INFO L69 tionRefinementEngine]: Using refinement strategy FixedRefinementStrategy [2018-07-23 13:38:17,242 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-07-23 13:38:17,679 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 13:38:17,680 INFO L309 seRefinementStrategy]: Constructing automaton from 0 perfect and 1 imperfect interpolant sequences. [2018-07-23 13:38:17,680 INFO L324 seRefinementStrategy]: Number of different interpolants: perfect sequences [] imperfect sequences [146] total 146 [2018-07-23 13:38:17,680 INFO L142 lantAutomatonBuilder]: Constructing canonical interpolant automaton, with selfloop in false state [2018-07-23 13:38:17,680 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2018-07-23 13:38:17,680 INFO L185 omatonBuilderFactory]: Interpolants [55378#true, 55379#false, 55380#(<= ULTIMATE.start_main_~i~4 0), 55381#(<= ULTIMATE.start_main_~i~4 2), 55382#(<= ULTIMATE.start_main_~i~4 4), 55383#(<= ULTIMATE.start_main_~i~4 6), 55384#(<= ULTIMATE.start_main_~i~4 8), 55385#(<= ULTIMATE.start_main_~i~4 10), 55386#(<= ULTIMATE.start_main_~i~4 12), 55387#(<= ULTIMATE.start_main_~i~4 14), 55388#(<= ULTIMATE.start_main_~i~4 16), 55389#(<= ULTIMATE.start_main_~i~4 18), 55390#(<= ULTIMATE.start_main_~i~4 20), 55391#(<= ULTIMATE.start_main_~i~4 22), 55392#(<= ULTIMATE.start_main_~i~4 24), 55393#(<= ULTIMATE.start_main_~i~4 26), 55394#(<= ULTIMATE.start_main_~i~4 28), 55395#(<= ULTIMATE.start_main_~i~4 30), 55396#(<= ULTIMATE.start_main_~i~4 32), 55397#(<= ULTIMATE.start_main_~i~4 34), 55398#(<= ULTIMATE.start_main_~i~4 36), 55399#(<= ULTIMATE.start_main_~i~4 38), 55400#(<= ULTIMATE.start_main_~i~4 40), 55401#(<= ULTIMATE.start_main_~i~4 42), 55402#(<= ULTIMATE.start_main_~i~4 44), 55403#(<= ULTIMATE.start_main_~i~4 46), 55404#(<= ULTIMATE.start_main_~i~4 48), 55405#(<= ULTIMATE.start_main_~i~4 50), 55406#(<= ULTIMATE.start_main_~i~4 52), 55407#(<= ULTIMATE.start_main_~i~4 54), 55408#(<= ULTIMATE.start_main_~i~4 56), 55409#(<= ULTIMATE.start_main_~i~4 58), 55410#(<= ULTIMATE.start_main_~i~4 60), 55411#(<= ULTIMATE.start_main_~i~4 62), 55412#(<= ULTIMATE.start_main_~i~4 64), 55413#(<= ULTIMATE.start_main_~i~4 66), 55414#(<= ULTIMATE.start_main_~i~4 68), 55415#(<= ULTIMATE.start_main_~i~4 70), 55416#(<= ULTIMATE.start_main_~i~4 72), 55417#(<= ULTIMATE.start_main_~i~4 74), 55418#(<= ULTIMATE.start_main_~i~4 76), 55419#(<= ULTIMATE.start_main_~i~4 78), 55420#(<= ULTIMATE.start_main_~i~4 80), 55421#(<= ULTIMATE.start_main_~i~4 82), 55422#(<= ULTIMATE.start_main_~i~4 84), 55423#(<= ULTIMATE.start_main_~i~4 86), 55424#(<= ULTIMATE.start_main_~i~4 88), 55425#(<= ULTIMATE.start_main_~i~4 90), 55426#(<= ULTIMATE.start_main_~i~4 92), 55427#(<= ULTIMATE.start_main_~i~4 94), 55428#(<= ULTIMATE.start_main_~i~4 96), 55429#(<= ULTIMATE.start_main_~i~4 98), 55430#(<= ULTIMATE.start_main_~i~4 100), 55431#(<= ULTIMATE.start_main_~i~4 102), 55432#(<= ULTIMATE.start_main_~i~4 104), 55433#(<= ULTIMATE.start_main_~i~4 106), 55434#(<= ULTIMATE.start_main_~i~4 108), 55435#(<= ULTIMATE.start_main_~i~4 110), 55436#(<= ULTIMATE.start_main_~i~4 112), 55437#(<= ULTIMATE.start_main_~i~4 114), 55438#(<= ULTIMATE.start_main_~i~4 116), 55439#(<= ULTIMATE.start_main_~i~4 118), 55440#(<= ULTIMATE.start_main_~i~4 120), 55441#(<= ULTIMATE.start_main_~i~4 122), 55442#(<= ULTIMATE.start_main_~i~4 124), 55443#(<= ULTIMATE.start_main_~i~4 126), 55444#(<= ULTIMATE.start_main_~i~4 128), 55445#(<= ULTIMATE.start_main_~i~4 130), 55446#(<= ULTIMATE.start_main_~i~4 132), 55447#(<= ULTIMATE.start_main_~i~4 134), 55448#(<= ULTIMATE.start_main_~i~4 136), 55449#(<= ULTIMATE.start_main_~i~4 138), 55450#(<= ULTIMATE.start_main_~i~4 140), 55451#(<= ULTIMATE.start_main_~i~4 142), 55452#(<= ULTIMATE.start_main_~i~4 144), 55453#(<= ULTIMATE.start_main_~i~4 146), 55454#(<= ULTIMATE.start_main_~i~4 148), 55455#(<= ULTIMATE.start_main_~i~4 150), 55456#(<= ULTIMATE.start_main_~i~4 152), 55457#(<= ULTIMATE.start_main_~i~4 154), 55458#(<= ULTIMATE.start_main_~i~4 156), 55459#(<= ULTIMATE.start_main_~i~4 158), 55460#(<= ULTIMATE.start_main_~i~4 160), 55461#(<= ULTIMATE.start_main_~i~4 162), 55462#(<= ULTIMATE.start_main_~i~4 164), 55463#(<= ULTIMATE.start_main_~i~4 166), 55464#(<= ULTIMATE.start_main_~i~4 168), 55465#(<= ULTIMATE.start_main_~i~4 170), 55466#(<= ULTIMATE.start_main_~i~4 172), 55467#(<= ULTIMATE.start_main_~i~4 174), 55468#(<= ULTIMATE.start_main_~i~4 176), 55469#(<= ULTIMATE.start_main_~i~4 178), 55470#(<= ULTIMATE.start_main_~i~4 180), 55471#(<= ULTIMATE.start_main_~i~4 182), 55472#(<= ULTIMATE.start_main_~i~4 184), 55473#(<= ULTIMATE.start_main_~i~4 186), 55474#(<= ULTIMATE.start_main_~i~4 188), 55475#(<= ULTIMATE.start_main_~i~4 190), 55476#(<= ULTIMATE.start_main_~i~4 192), 55477#(<= ULTIMATE.start_main_~i~4 194), 55478#(<= ULTIMATE.start_main_~i~4 196), 55479#(<= ULTIMATE.start_main_~i~4 198), 55480#(<= ULTIMATE.start_main_~i~4 200), 55481#(<= ULTIMATE.start_main_~i~4 202), 55482#(<= ULTIMATE.start_main_~i~4 204), 55483#(<= ULTIMATE.start_main_~i~4 206), 55484#(<= ULTIMATE.start_main_~i~4 208), 55485#(<= ULTIMATE.start_main_~i~4 210), 55486#(<= ULTIMATE.start_main_~i~4 212), 55487#(<= ULTIMATE.start_main_~i~4 214), 55488#(<= ULTIMATE.start_main_~i~4 216), 55489#(<= ULTIMATE.start_main_~i~4 218), 55490#(<= ULTIMATE.start_main_~i~4 220), 55491#(<= ULTIMATE.start_main_~i~4 222), 55492#(<= ULTIMATE.start_main_~i~4 224), 55493#(<= ULTIMATE.start_main_~i~4 226), 55494#(<= ULTIMATE.start_main_~i~4 228), 55495#(<= ULTIMATE.start_main_~i~4 230), 55496#(<= ULTIMATE.start_main_~i~4 232), 55497#(<= ULTIMATE.start_main_~i~4 234), 55498#(<= ULTIMATE.start_main_~i~4 236), 55499#(<= ULTIMATE.start_main_~i~4 238), 55500#(<= ULTIMATE.start_main_~i~4 240), 55501#(<= ULTIMATE.start_main_~i~4 242), 55502#(<= ULTIMATE.start_main_~i~4 244), 55503#(<= ULTIMATE.start_main_~i~4 246), 55504#(<= ULTIMATE.start_main_~i~4 248), 55505#(<= ULTIMATE.start_main_~i~4 250), 55506#(<= ULTIMATE.start_main_~i~4 252), 55507#(<= ULTIMATE.start_main_~i~4 254), 55508#(<= ULTIMATE.start_main_~i~4 256), 55509#(<= ULTIMATE.start_main_~i~4 258), 55510#(<= ULTIMATE.start_main_~i~4 260), 55511#(<= ULTIMATE.start_main_~i~4 262), 55512#(<= ULTIMATE.start_main_~i~4 264), 55513#(<= ULTIMATE.start_main_~i~4 266), 55514#(<= ULTIMATE.start_main_~i~4 268), 55515#(<= ULTIMATE.start_main_~i~4 270), 55516#(<= ULTIMATE.start_main_~i~4 272), 55517#(<= ULTIMATE.start_main_~i~4 274), 55518#(<= ULTIMATE.start_main_~i~4 276), 55519#(<= ULTIMATE.start_main_~i~4 278), 55520#(<= ULTIMATE.start_main_~i~4 280), 55521#(<= ULTIMATE.start_main_~i~4 282), 55522#(<= ULTIMATE.start_main_~i~4 284), 55523#(<= ULTIMATE.start_main_~i~4 286), 55524#(<= ULTIMATE.start_main_~i~4 288)] [2018-07-23 13:38:17,681 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 13:38:17,681 INFO L450 AbstractCegarLoop]: Interpolant automaton has 147 states [2018-07-23 13:38:17,682 INFO L132 InterpolantAutomaton]: Constructing interpolant automaton starting with 147 interpolants. [2018-07-23 13:38:17,683 INFO L133 InterpolantAutomaton]: CoverageRelationStatistics Valid=10731, Invalid=10731, Unknown=0, NotChecked=0, Total=21462 [2018-07-23 13:38:17,683 INFO L87 Difference]: Start difference. First operand 148 states and 148 transitions. Second operand 147 states. [2018-07-23 13:38:17,950 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2018-07-23 13:38:17,950 INFO L93 Difference]: Finished difference Result 151 states and 151 transitions. [2018-07-23 13:38:17,950 INFO L142 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 147 states. [2018-07-23 13:38:17,950 INFO L78 Accepts]: Start accepts. Automaton has 147 states. Word has length 147 [2018-07-23 13:38:17,951 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2018-07-23 13:38:17,951 INFO L225 Difference]: With dead ends: 151 [2018-07-23 13:38:17,951 INFO L226 Difference]: Without dead ends: 149 [2018-07-23 13:38:17,952 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 13:38:17,952 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 149 states. [2018-07-23 13:38:17,953 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 149 to 149. [2018-07-23 13:38:17,953 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 149 states. [2018-07-23 13:38:17,954 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 149 states to 149 states and 149 transitions. [2018-07-23 13:38:17,954 INFO L78 Accepts]: Start accepts. Automaton has 149 states and 149 transitions. Word has length 147 [2018-07-23 13:38:17,954 INFO L84 Accepts]: Finished accepts. word is rejected. [2018-07-23 13:38:17,954 INFO L471 AbstractCegarLoop]: Abstraction has 149 states and 149 transitions. [2018-07-23 13:38:17,954 INFO L472 AbstractCegarLoop]: Interpolant automaton has 147 states. [2018-07-23 13:38:17,954 INFO L276 IsEmpty]: Start isEmpty. Operand 149 states and 149 transitions. [2018-07-23 13:38:17,954 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 149 [2018-07-23 13:38:17,954 INFO L349 BasicCegarLoop]: Found error trace [2018-07-23 13:38:17,955 INFO L357 BasicCegarLoop]: trace histogram [145, 1, 1, 1] [2018-07-23 13:38:17,955 INFO L414 AbstractCegarLoop]: === Iteration 146 === [ULTIMATE.startErr0AssertViolationASSERT]=== [2018-07-23 13:38:17,955 INFO L82 PathProgramCache]: Analyzing trace with hash -1260778456, now seen corresponding path program 145 times [2018-07-23 13:38:17,955 INFO L69 tionRefinementEngine]: Using refinement strategy FixedRefinementStrategy [2018-07-23 13:38:18,043 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-07-23 13:38:18,550 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 13:38:18,550 INFO L309 seRefinementStrategy]: Constructing automaton from 0 perfect and 1 imperfect interpolant sequences. [2018-07-23 13:38:18,550 INFO L324 seRefinementStrategy]: Number of different interpolants: perfect sequences [] imperfect sequences [147] total 147 [2018-07-23 13:38:18,550 INFO L142 lantAutomatonBuilder]: Constructing canonical interpolant automaton, with selfloop in false state [2018-07-23 13:38:18,550 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2018-07-23 13:38:18,551 INFO L185 omatonBuilderFactory]: Interpolants [56125#true, 56126#false, 56127#(<= ULTIMATE.start_main_~i~4 0), 56128#(<= ULTIMATE.start_main_~i~4 2), 56129#(<= ULTIMATE.start_main_~i~4 4), 56130#(<= ULTIMATE.start_main_~i~4 6), 56131#(<= ULTIMATE.start_main_~i~4 8), 56132#(<= ULTIMATE.start_main_~i~4 10), 56133#(<= ULTIMATE.start_main_~i~4 12), 56134#(<= ULTIMATE.start_main_~i~4 14), 56135#(<= ULTIMATE.start_main_~i~4 16), 56136#(<= ULTIMATE.start_main_~i~4 18), 56137#(<= ULTIMATE.start_main_~i~4 20), 56138#(<= ULTIMATE.start_main_~i~4 22), 56139#(<= ULTIMATE.start_main_~i~4 24), 56140#(<= ULTIMATE.start_main_~i~4 26), 56141#(<= ULTIMATE.start_main_~i~4 28), 56142#(<= ULTIMATE.start_main_~i~4 30), 56143#(<= ULTIMATE.start_main_~i~4 32), 56144#(<= ULTIMATE.start_main_~i~4 34), 56145#(<= ULTIMATE.start_main_~i~4 36), 56146#(<= ULTIMATE.start_main_~i~4 38), 56147#(<= ULTIMATE.start_main_~i~4 40), 56148#(<= ULTIMATE.start_main_~i~4 42), 56149#(<= ULTIMATE.start_main_~i~4 44), 56150#(<= ULTIMATE.start_main_~i~4 46), 56151#(<= ULTIMATE.start_main_~i~4 48), 56152#(<= ULTIMATE.start_main_~i~4 50), 56153#(<= ULTIMATE.start_main_~i~4 52), 56154#(<= ULTIMATE.start_main_~i~4 54), 56155#(<= ULTIMATE.start_main_~i~4 56), 56156#(<= ULTIMATE.start_main_~i~4 58), 56157#(<= ULTIMATE.start_main_~i~4 60), 56158#(<= ULTIMATE.start_main_~i~4 62), 56159#(<= ULTIMATE.start_main_~i~4 64), 56160#(<= ULTIMATE.start_main_~i~4 66), 56161#(<= ULTIMATE.start_main_~i~4 68), 56162#(<= ULTIMATE.start_main_~i~4 70), 56163#(<= ULTIMATE.start_main_~i~4 72), 56164#(<= ULTIMATE.start_main_~i~4 74), 56165#(<= ULTIMATE.start_main_~i~4 76), 56166#(<= ULTIMATE.start_main_~i~4 78), 56167#(<= ULTIMATE.start_main_~i~4 80), 56168#(<= ULTIMATE.start_main_~i~4 82), 56169#(<= ULTIMATE.start_main_~i~4 84), 56170#(<= ULTIMATE.start_main_~i~4 86), 56171#(<= ULTIMATE.start_main_~i~4 88), 56172#(<= ULTIMATE.start_main_~i~4 90), 56173#(<= ULTIMATE.start_main_~i~4 92), 56174#(<= ULTIMATE.start_main_~i~4 94), 56175#(<= ULTIMATE.start_main_~i~4 96), 56176#(<= ULTIMATE.start_main_~i~4 98), 56177#(<= ULTIMATE.start_main_~i~4 100), 56178#(<= ULTIMATE.start_main_~i~4 102), 56179#(<= ULTIMATE.start_main_~i~4 104), 56180#(<= ULTIMATE.start_main_~i~4 106), 56181#(<= ULTIMATE.start_main_~i~4 108), 56182#(<= ULTIMATE.start_main_~i~4 110), 56183#(<= ULTIMATE.start_main_~i~4 112), 56184#(<= ULTIMATE.start_main_~i~4 114), 56185#(<= ULTIMATE.start_main_~i~4 116), 56186#(<= ULTIMATE.start_main_~i~4 118), 56187#(<= ULTIMATE.start_main_~i~4 120), 56188#(<= ULTIMATE.start_main_~i~4 122), 56189#(<= ULTIMATE.start_main_~i~4 124), 56190#(<= ULTIMATE.start_main_~i~4 126), 56191#(<= ULTIMATE.start_main_~i~4 128), 56192#(<= ULTIMATE.start_main_~i~4 130), 56193#(<= ULTIMATE.start_main_~i~4 132), 56194#(<= ULTIMATE.start_main_~i~4 134), 56195#(<= ULTIMATE.start_main_~i~4 136), 56196#(<= ULTIMATE.start_main_~i~4 138), 56197#(<= ULTIMATE.start_main_~i~4 140), 56198#(<= ULTIMATE.start_main_~i~4 142), 56199#(<= ULTIMATE.start_main_~i~4 144), 56200#(<= ULTIMATE.start_main_~i~4 146), 56201#(<= ULTIMATE.start_main_~i~4 148), 56202#(<= ULTIMATE.start_main_~i~4 150), 56203#(<= ULTIMATE.start_main_~i~4 152), 56204#(<= ULTIMATE.start_main_~i~4 154), 56205#(<= ULTIMATE.start_main_~i~4 156), 56206#(<= ULTIMATE.start_main_~i~4 158), 56207#(<= ULTIMATE.start_main_~i~4 160), 56208#(<= ULTIMATE.start_main_~i~4 162), 56209#(<= ULTIMATE.start_main_~i~4 164), 56210#(<= ULTIMATE.start_main_~i~4 166), 56211#(<= ULTIMATE.start_main_~i~4 168), 56212#(<= ULTIMATE.start_main_~i~4 170), 56213#(<= ULTIMATE.start_main_~i~4 172), 56214#(<= ULTIMATE.start_main_~i~4 174), 56215#(<= ULTIMATE.start_main_~i~4 176), 56216#(<= ULTIMATE.start_main_~i~4 178), 56217#(<= ULTIMATE.start_main_~i~4 180), 56218#(<= ULTIMATE.start_main_~i~4 182), 56219#(<= ULTIMATE.start_main_~i~4 184), 56220#(<= ULTIMATE.start_main_~i~4 186), 56221#(<= ULTIMATE.start_main_~i~4 188), 56222#(<= ULTIMATE.start_main_~i~4 190), 56223#(<= ULTIMATE.start_main_~i~4 192), 56224#(<= ULTIMATE.start_main_~i~4 194), 56225#(<= ULTIMATE.start_main_~i~4 196), 56226#(<= ULTIMATE.start_main_~i~4 198), 56227#(<= ULTIMATE.start_main_~i~4 200), 56228#(<= ULTIMATE.start_main_~i~4 202), 56229#(<= ULTIMATE.start_main_~i~4 204), 56230#(<= ULTIMATE.start_main_~i~4 206), 56231#(<= ULTIMATE.start_main_~i~4 208), 56232#(<= ULTIMATE.start_main_~i~4 210), 56233#(<= ULTIMATE.start_main_~i~4 212), 56234#(<= ULTIMATE.start_main_~i~4 214), 56235#(<= ULTIMATE.start_main_~i~4 216), 56236#(<= ULTIMATE.start_main_~i~4 218), 56237#(<= ULTIMATE.start_main_~i~4 220), 56238#(<= ULTIMATE.start_main_~i~4 222), 56239#(<= ULTIMATE.start_main_~i~4 224), 56240#(<= ULTIMATE.start_main_~i~4 226), 56241#(<= ULTIMATE.start_main_~i~4 228), 56242#(<= ULTIMATE.start_main_~i~4 230), 56243#(<= ULTIMATE.start_main_~i~4 232), 56244#(<= ULTIMATE.start_main_~i~4 234), 56245#(<= ULTIMATE.start_main_~i~4 236), 56246#(<= ULTIMATE.start_main_~i~4 238), 56247#(<= ULTIMATE.start_main_~i~4 240), 56248#(<= ULTIMATE.start_main_~i~4 242), 56249#(<= ULTIMATE.start_main_~i~4 244), 56250#(<= ULTIMATE.start_main_~i~4 246), 56251#(<= ULTIMATE.start_main_~i~4 248), 56252#(<= ULTIMATE.start_main_~i~4 250), 56253#(<= ULTIMATE.start_main_~i~4 252), 56254#(<= ULTIMATE.start_main_~i~4 254), 56255#(<= ULTIMATE.start_main_~i~4 256), 56256#(<= ULTIMATE.start_main_~i~4 258), 56257#(<= ULTIMATE.start_main_~i~4 260), 56258#(<= ULTIMATE.start_main_~i~4 262), 56259#(<= ULTIMATE.start_main_~i~4 264), 56260#(<= ULTIMATE.start_main_~i~4 266), 56261#(<= ULTIMATE.start_main_~i~4 268), 56262#(<= ULTIMATE.start_main_~i~4 270), 56263#(<= ULTIMATE.start_main_~i~4 272), 56264#(<= ULTIMATE.start_main_~i~4 274), 56265#(<= ULTIMATE.start_main_~i~4 276), 56266#(<= ULTIMATE.start_main_~i~4 278), 56267#(<= ULTIMATE.start_main_~i~4 280), 56268#(<= ULTIMATE.start_main_~i~4 282), 56269#(<= ULTIMATE.start_main_~i~4 284), 56270#(<= ULTIMATE.start_main_~i~4 286), 56271#(<= ULTIMATE.start_main_~i~4 288), 56272#(<= ULTIMATE.start_main_~i~4 290)] [2018-07-23 13:38:18,551 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 13:38:18,551 INFO L450 AbstractCegarLoop]: Interpolant automaton has 148 states [2018-07-23 13:38:18,552 INFO L132 InterpolantAutomaton]: Constructing interpolant automaton starting with 148 interpolants. [2018-07-23 13:38:18,553 INFO L133 InterpolantAutomaton]: CoverageRelationStatistics Valid=10878, Invalid=10878, Unknown=0, NotChecked=0, Total=21756 [2018-07-23 13:38:18,553 INFO L87 Difference]: Start difference. First operand 149 states and 149 transitions. Second operand 148 states. [2018-07-23 13:38:18,817 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2018-07-23 13:38:18,818 INFO L93 Difference]: Finished difference Result 152 states and 152 transitions. [2018-07-23 13:38:18,818 INFO L142 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 148 states. [2018-07-23 13:38:18,818 INFO L78 Accepts]: Start accepts. Automaton has 148 states. Word has length 148 [2018-07-23 13:38:18,818 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2018-07-23 13:38:18,818 INFO L225 Difference]: With dead ends: 152 [2018-07-23 13:38:18,818 INFO L226 Difference]: Without dead ends: 150 [2018-07-23 13:38:18,819 INFO L575 BasicCegarLoop]: 0 DeclaredPredicates, 147 GetRequests, 1 SyntacticMatches, 0 SemanticMatches, 146 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 0 ImplicationChecksByTransitivity, 0.4s TimeCoverageRelationStatistics Valid=10878, Invalid=10878, Unknown=0, NotChecked=0, Total=21756 [2018-07-23 13:38:18,819 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 150 states. [2018-07-23 13:38:18,821 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 150 to 150. [2018-07-23 13:38:18,821 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 150 states. [2018-07-23 13:38:18,821 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 150 states to 150 states and 150 transitions. [2018-07-23 13:38:18,822 INFO L78 Accepts]: Start accepts. Automaton has 150 states and 150 transitions. Word has length 148 [2018-07-23 13:38:18,822 INFO L84 Accepts]: Finished accepts. word is rejected. [2018-07-23 13:38:18,822 INFO L471 AbstractCegarLoop]: Abstraction has 150 states and 150 transitions. [2018-07-23 13:38:18,822 INFO L472 AbstractCegarLoop]: Interpolant automaton has 148 states. [2018-07-23 13:38:18,822 INFO L276 IsEmpty]: Start isEmpty. Operand 150 states and 150 transitions. [2018-07-23 13:38:18,823 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 150 [2018-07-23 13:38:18,823 INFO L349 BasicCegarLoop]: Found error trace [2018-07-23 13:38:18,823 INFO L357 BasicCegarLoop]: trace histogram [146, 1, 1, 1] [2018-07-23 13:38:18,823 INFO L414 AbstractCegarLoop]: === Iteration 147 === [ULTIMATE.startErr0AssertViolationASSERT]=== [2018-07-23 13:38:18,823 INFO L82 PathProgramCache]: Analyzing trace with hash -429428447, now seen corresponding path program 146 times [2018-07-23 13:38:18,823 INFO L69 tionRefinementEngine]: Using refinement strategy FixedRefinementStrategy [2018-07-23 13:38:18,905 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-07-23 13:38:19,390 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 13:38:19,390 INFO L309 seRefinementStrategy]: Constructing automaton from 0 perfect and 1 imperfect interpolant sequences. [2018-07-23 13:38:19,390 INFO L324 seRefinementStrategy]: Number of different interpolants: perfect sequences [] imperfect sequences [148] total 148 [2018-07-23 13:38:19,390 INFO L142 lantAutomatonBuilder]: Constructing canonical interpolant automaton, with selfloop in false state [2018-07-23 13:38:19,391 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2018-07-23 13:38:19,391 INFO L185 omatonBuilderFactory]: Interpolants [56877#true, 56878#false, 56879#(<= ULTIMATE.start_main_~i~4 0), 56880#(<= ULTIMATE.start_main_~i~4 2), 56881#(<= ULTIMATE.start_main_~i~4 4), 56882#(<= ULTIMATE.start_main_~i~4 6), 56883#(<= ULTIMATE.start_main_~i~4 8), 56884#(<= ULTIMATE.start_main_~i~4 10), 56885#(<= ULTIMATE.start_main_~i~4 12), 56886#(<= ULTIMATE.start_main_~i~4 14), 56887#(<= ULTIMATE.start_main_~i~4 16), 56888#(<= ULTIMATE.start_main_~i~4 18), 56889#(<= ULTIMATE.start_main_~i~4 20), 56890#(<= ULTIMATE.start_main_~i~4 22), 56891#(<= ULTIMATE.start_main_~i~4 24), 56892#(<= ULTIMATE.start_main_~i~4 26), 56893#(<= ULTIMATE.start_main_~i~4 28), 56894#(<= ULTIMATE.start_main_~i~4 30), 56895#(<= ULTIMATE.start_main_~i~4 32), 56896#(<= ULTIMATE.start_main_~i~4 34), 56897#(<= ULTIMATE.start_main_~i~4 36), 56898#(<= ULTIMATE.start_main_~i~4 38), 56899#(<= ULTIMATE.start_main_~i~4 40), 56900#(<= ULTIMATE.start_main_~i~4 42), 56901#(<= ULTIMATE.start_main_~i~4 44), 56902#(<= ULTIMATE.start_main_~i~4 46), 56903#(<= ULTIMATE.start_main_~i~4 48), 56904#(<= ULTIMATE.start_main_~i~4 50), 56905#(<= ULTIMATE.start_main_~i~4 52), 56906#(<= ULTIMATE.start_main_~i~4 54), 56907#(<= ULTIMATE.start_main_~i~4 56), 56908#(<= ULTIMATE.start_main_~i~4 58), 56909#(<= ULTIMATE.start_main_~i~4 60), 56910#(<= ULTIMATE.start_main_~i~4 62), 56911#(<= ULTIMATE.start_main_~i~4 64), 56912#(<= ULTIMATE.start_main_~i~4 66), 56913#(<= ULTIMATE.start_main_~i~4 68), 56914#(<= ULTIMATE.start_main_~i~4 70), 56915#(<= ULTIMATE.start_main_~i~4 72), 56916#(<= ULTIMATE.start_main_~i~4 74), 56917#(<= ULTIMATE.start_main_~i~4 76), 56918#(<= ULTIMATE.start_main_~i~4 78), 56919#(<= ULTIMATE.start_main_~i~4 80), 56920#(<= ULTIMATE.start_main_~i~4 82), 56921#(<= ULTIMATE.start_main_~i~4 84), 56922#(<= ULTIMATE.start_main_~i~4 86), 56923#(<= ULTIMATE.start_main_~i~4 88), 56924#(<= ULTIMATE.start_main_~i~4 90), 56925#(<= ULTIMATE.start_main_~i~4 92), 56926#(<= ULTIMATE.start_main_~i~4 94), 56927#(<= ULTIMATE.start_main_~i~4 96), 56928#(<= ULTIMATE.start_main_~i~4 98), 56929#(<= ULTIMATE.start_main_~i~4 100), 56930#(<= ULTIMATE.start_main_~i~4 102), 56931#(<= ULTIMATE.start_main_~i~4 104), 56932#(<= ULTIMATE.start_main_~i~4 106), 56933#(<= ULTIMATE.start_main_~i~4 108), 56934#(<= ULTIMATE.start_main_~i~4 110), 56935#(<= ULTIMATE.start_main_~i~4 112), 56936#(<= ULTIMATE.start_main_~i~4 114), 56937#(<= ULTIMATE.start_main_~i~4 116), 56938#(<= ULTIMATE.start_main_~i~4 118), 56939#(<= ULTIMATE.start_main_~i~4 120), 56940#(<= ULTIMATE.start_main_~i~4 122), 56941#(<= ULTIMATE.start_main_~i~4 124), 56942#(<= ULTIMATE.start_main_~i~4 126), 56943#(<= ULTIMATE.start_main_~i~4 128), 56944#(<= ULTIMATE.start_main_~i~4 130), 56945#(<= ULTIMATE.start_main_~i~4 132), 56946#(<= ULTIMATE.start_main_~i~4 134), 56947#(<= ULTIMATE.start_main_~i~4 136), 56948#(<= ULTIMATE.start_main_~i~4 138), 56949#(<= ULTIMATE.start_main_~i~4 140), 56950#(<= ULTIMATE.start_main_~i~4 142), 56951#(<= ULTIMATE.start_main_~i~4 144), 56952#(<= ULTIMATE.start_main_~i~4 146), 56953#(<= ULTIMATE.start_main_~i~4 148), 56954#(<= ULTIMATE.start_main_~i~4 150), 56955#(<= ULTIMATE.start_main_~i~4 152), 56956#(<= ULTIMATE.start_main_~i~4 154), 56957#(<= ULTIMATE.start_main_~i~4 156), 56958#(<= ULTIMATE.start_main_~i~4 158), 56959#(<= ULTIMATE.start_main_~i~4 160), 56960#(<= ULTIMATE.start_main_~i~4 162), 56961#(<= ULTIMATE.start_main_~i~4 164), 56962#(<= ULTIMATE.start_main_~i~4 166), 56963#(<= ULTIMATE.start_main_~i~4 168), 56964#(<= ULTIMATE.start_main_~i~4 170), 56965#(<= ULTIMATE.start_main_~i~4 172), 56966#(<= ULTIMATE.start_main_~i~4 174), 56967#(<= ULTIMATE.start_main_~i~4 176), 56968#(<= ULTIMATE.start_main_~i~4 178), 56969#(<= ULTIMATE.start_main_~i~4 180), 56970#(<= ULTIMATE.start_main_~i~4 182), 56971#(<= ULTIMATE.start_main_~i~4 184), 56972#(<= ULTIMATE.start_main_~i~4 186), 56973#(<= ULTIMATE.start_main_~i~4 188), 56974#(<= ULTIMATE.start_main_~i~4 190), 56975#(<= ULTIMATE.start_main_~i~4 192), 56976#(<= ULTIMATE.start_main_~i~4 194), 56977#(<= ULTIMATE.start_main_~i~4 196), 56978#(<= ULTIMATE.start_main_~i~4 198), 56979#(<= ULTIMATE.start_main_~i~4 200), 56980#(<= ULTIMATE.start_main_~i~4 202), 56981#(<= ULTIMATE.start_main_~i~4 204), 56982#(<= ULTIMATE.start_main_~i~4 206), 56983#(<= ULTIMATE.start_main_~i~4 208), 56984#(<= ULTIMATE.start_main_~i~4 210), 56985#(<= ULTIMATE.start_main_~i~4 212), 56986#(<= ULTIMATE.start_main_~i~4 214), 56987#(<= ULTIMATE.start_main_~i~4 216), 56988#(<= ULTIMATE.start_main_~i~4 218), 56989#(<= ULTIMATE.start_main_~i~4 220), 56990#(<= ULTIMATE.start_main_~i~4 222), 56991#(<= ULTIMATE.start_main_~i~4 224), 56992#(<= ULTIMATE.start_main_~i~4 226), 56993#(<= ULTIMATE.start_main_~i~4 228), 56994#(<= ULTIMATE.start_main_~i~4 230), 56995#(<= ULTIMATE.start_main_~i~4 232), 56996#(<= ULTIMATE.start_main_~i~4 234), 56997#(<= ULTIMATE.start_main_~i~4 236), 56998#(<= ULTIMATE.start_main_~i~4 238), 56999#(<= ULTIMATE.start_main_~i~4 240), 57000#(<= ULTIMATE.start_main_~i~4 242), 57001#(<= ULTIMATE.start_main_~i~4 244), 57002#(<= ULTIMATE.start_main_~i~4 246), 57003#(<= ULTIMATE.start_main_~i~4 248), 57004#(<= ULTIMATE.start_main_~i~4 250), 57005#(<= ULTIMATE.start_main_~i~4 252), 57006#(<= ULTIMATE.start_main_~i~4 254), 57007#(<= ULTIMATE.start_main_~i~4 256), 57008#(<= ULTIMATE.start_main_~i~4 258), 57009#(<= ULTIMATE.start_main_~i~4 260), 57010#(<= ULTIMATE.start_main_~i~4 262), 57011#(<= ULTIMATE.start_main_~i~4 264), 57012#(<= ULTIMATE.start_main_~i~4 266), 57013#(<= ULTIMATE.start_main_~i~4 268), 57014#(<= ULTIMATE.start_main_~i~4 270), 57015#(<= ULTIMATE.start_main_~i~4 272), 57016#(<= ULTIMATE.start_main_~i~4 274), 57017#(<= ULTIMATE.start_main_~i~4 276), 57018#(<= ULTIMATE.start_main_~i~4 278), 57019#(<= ULTIMATE.start_main_~i~4 280), 57020#(<= ULTIMATE.start_main_~i~4 282), 57021#(<= ULTIMATE.start_main_~i~4 284), 57022#(<= ULTIMATE.start_main_~i~4 286), 57023#(<= ULTIMATE.start_main_~i~4 288), 57024#(<= ULTIMATE.start_main_~i~4 290), 57025#(<= ULTIMATE.start_main_~i~4 292)] [2018-07-23 13:38:19,391 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 13:38:19,392 INFO L450 AbstractCegarLoop]: Interpolant automaton has 149 states [2018-07-23 13:38:19,393 INFO L132 InterpolantAutomaton]: Constructing interpolant automaton starting with 149 interpolants. [2018-07-23 13:38:19,393 INFO L133 InterpolantAutomaton]: CoverageRelationStatistics Valid=11026, Invalid=11026, Unknown=0, NotChecked=0, Total=22052 [2018-07-23 13:38:19,394 INFO L87 Difference]: Start difference. First operand 150 states and 150 transitions. Second operand 149 states. [2018-07-23 13:38:19,682 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2018-07-23 13:38:19,682 INFO L93 Difference]: Finished difference Result 153 states and 153 transitions. [2018-07-23 13:38:19,682 INFO L142 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 149 states. [2018-07-23 13:38:19,683 INFO L78 Accepts]: Start accepts. Automaton has 149 states. Word has length 149 [2018-07-23 13:38:19,683 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2018-07-23 13:38:19,683 INFO L225 Difference]: With dead ends: 153 [2018-07-23 13:38:19,683 INFO L226 Difference]: Without dead ends: 151 [2018-07-23 13:38:19,684 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 13:38:19,685 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 151 states. [2018-07-23 13:38:19,687 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 151 to 151. [2018-07-23 13:38:19,687 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 151 states. [2018-07-23 13:38:19,687 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 151 states to 151 states and 151 transitions. [2018-07-23 13:38:19,688 INFO L78 Accepts]: Start accepts. Automaton has 151 states and 151 transitions. Word has length 149 [2018-07-23 13:38:19,688 INFO L84 Accepts]: Finished accepts. word is rejected. [2018-07-23 13:38:19,688 INFO L471 AbstractCegarLoop]: Abstraction has 151 states and 151 transitions. [2018-07-23 13:38:19,688 INFO L472 AbstractCegarLoop]: Interpolant automaton has 149 states. [2018-07-23 13:38:19,688 INFO L276 IsEmpty]: Start isEmpty. Operand 151 states and 151 transitions. [2018-07-23 13:38:19,689 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 151 [2018-07-23 13:38:19,689 INFO L349 BasicCegarLoop]: Found error trace [2018-07-23 13:38:19,689 INFO L357 BasicCegarLoop]: trace histogram [147, 1, 1, 1] [2018-07-23 13:38:19,689 INFO L414 AbstractCegarLoop]: === Iteration 148 === [ULTIMATE.startErr0AssertViolationASSERT]=== [2018-07-23 13:38:19,689 INFO L82 PathProgramCache]: Analyzing trace with hash -427381944, now seen corresponding path program 147 times [2018-07-23 13:38:19,689 INFO L69 tionRefinementEngine]: Using refinement strategy FixedRefinementStrategy [2018-07-23 13:38:19,766 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-07-23 13:38:20,242 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 13:38:20,243 INFO L309 seRefinementStrategy]: Constructing automaton from 0 perfect and 1 imperfect interpolant sequences. [2018-07-23 13:38:20,243 INFO L324 seRefinementStrategy]: Number of different interpolants: perfect sequences [] imperfect sequences [149] total 149 [2018-07-23 13:38:20,243 INFO L142 lantAutomatonBuilder]: Constructing canonical interpolant automaton, with selfloop in false state [2018-07-23 13:38:20,243 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2018-07-23 13:38:20,243 INFO L185 omatonBuilderFactory]: Interpolants [57634#true, 57635#false, 57636#(<= ULTIMATE.start_main_~i~4 0), 57637#(<= ULTIMATE.start_main_~i~4 2), 57638#(<= ULTIMATE.start_main_~i~4 4), 57639#(<= ULTIMATE.start_main_~i~4 6), 57640#(<= ULTIMATE.start_main_~i~4 8), 57641#(<= ULTIMATE.start_main_~i~4 10), 57642#(<= ULTIMATE.start_main_~i~4 12), 57643#(<= ULTIMATE.start_main_~i~4 14), 57644#(<= ULTIMATE.start_main_~i~4 16), 57645#(<= ULTIMATE.start_main_~i~4 18), 57646#(<= ULTIMATE.start_main_~i~4 20), 57647#(<= ULTIMATE.start_main_~i~4 22), 57648#(<= ULTIMATE.start_main_~i~4 24), 57649#(<= ULTIMATE.start_main_~i~4 26), 57650#(<= ULTIMATE.start_main_~i~4 28), 57651#(<= ULTIMATE.start_main_~i~4 30), 57652#(<= ULTIMATE.start_main_~i~4 32), 57653#(<= ULTIMATE.start_main_~i~4 34), 57654#(<= ULTIMATE.start_main_~i~4 36), 57655#(<= ULTIMATE.start_main_~i~4 38), 57656#(<= ULTIMATE.start_main_~i~4 40), 57657#(<= ULTIMATE.start_main_~i~4 42), 57658#(<= ULTIMATE.start_main_~i~4 44), 57659#(<= ULTIMATE.start_main_~i~4 46), 57660#(<= ULTIMATE.start_main_~i~4 48), 57661#(<= ULTIMATE.start_main_~i~4 50), 57662#(<= ULTIMATE.start_main_~i~4 52), 57663#(<= ULTIMATE.start_main_~i~4 54), 57664#(<= ULTIMATE.start_main_~i~4 56), 57665#(<= ULTIMATE.start_main_~i~4 58), 57666#(<= ULTIMATE.start_main_~i~4 60), 57667#(<= ULTIMATE.start_main_~i~4 62), 57668#(<= ULTIMATE.start_main_~i~4 64), 57669#(<= ULTIMATE.start_main_~i~4 66), 57670#(<= ULTIMATE.start_main_~i~4 68), 57671#(<= ULTIMATE.start_main_~i~4 70), 57672#(<= ULTIMATE.start_main_~i~4 72), 57673#(<= ULTIMATE.start_main_~i~4 74), 57674#(<= ULTIMATE.start_main_~i~4 76), 57675#(<= ULTIMATE.start_main_~i~4 78), 57676#(<= ULTIMATE.start_main_~i~4 80), 57677#(<= ULTIMATE.start_main_~i~4 82), 57678#(<= ULTIMATE.start_main_~i~4 84), 57679#(<= ULTIMATE.start_main_~i~4 86), 57680#(<= ULTIMATE.start_main_~i~4 88), 57681#(<= ULTIMATE.start_main_~i~4 90), 57682#(<= ULTIMATE.start_main_~i~4 92), 57683#(<= ULTIMATE.start_main_~i~4 94), 57684#(<= ULTIMATE.start_main_~i~4 96), 57685#(<= ULTIMATE.start_main_~i~4 98), 57686#(<= ULTIMATE.start_main_~i~4 100), 57687#(<= ULTIMATE.start_main_~i~4 102), 57688#(<= ULTIMATE.start_main_~i~4 104), 57689#(<= ULTIMATE.start_main_~i~4 106), 57690#(<= ULTIMATE.start_main_~i~4 108), 57691#(<= ULTIMATE.start_main_~i~4 110), 57692#(<= ULTIMATE.start_main_~i~4 112), 57693#(<= ULTIMATE.start_main_~i~4 114), 57694#(<= ULTIMATE.start_main_~i~4 116), 57695#(<= ULTIMATE.start_main_~i~4 118), 57696#(<= ULTIMATE.start_main_~i~4 120), 57697#(<= ULTIMATE.start_main_~i~4 122), 57698#(<= ULTIMATE.start_main_~i~4 124), 57699#(<= ULTIMATE.start_main_~i~4 126), 57700#(<= ULTIMATE.start_main_~i~4 128), 57701#(<= ULTIMATE.start_main_~i~4 130), 57702#(<= ULTIMATE.start_main_~i~4 132), 57703#(<= ULTIMATE.start_main_~i~4 134), 57704#(<= ULTIMATE.start_main_~i~4 136), 57705#(<= ULTIMATE.start_main_~i~4 138), 57706#(<= ULTIMATE.start_main_~i~4 140), 57707#(<= ULTIMATE.start_main_~i~4 142), 57708#(<= ULTIMATE.start_main_~i~4 144), 57709#(<= ULTIMATE.start_main_~i~4 146), 57710#(<= ULTIMATE.start_main_~i~4 148), 57711#(<= ULTIMATE.start_main_~i~4 150), 57712#(<= ULTIMATE.start_main_~i~4 152), 57713#(<= ULTIMATE.start_main_~i~4 154), 57714#(<= ULTIMATE.start_main_~i~4 156), 57715#(<= ULTIMATE.start_main_~i~4 158), 57716#(<= ULTIMATE.start_main_~i~4 160), 57717#(<= ULTIMATE.start_main_~i~4 162), 57718#(<= ULTIMATE.start_main_~i~4 164), 57719#(<= ULTIMATE.start_main_~i~4 166), 57720#(<= ULTIMATE.start_main_~i~4 168), 57721#(<= ULTIMATE.start_main_~i~4 170), 57722#(<= ULTIMATE.start_main_~i~4 172), 57723#(<= ULTIMATE.start_main_~i~4 174), 57724#(<= ULTIMATE.start_main_~i~4 176), 57725#(<= ULTIMATE.start_main_~i~4 178), 57726#(<= ULTIMATE.start_main_~i~4 180), 57727#(<= ULTIMATE.start_main_~i~4 182), 57728#(<= ULTIMATE.start_main_~i~4 184), 57729#(<= ULTIMATE.start_main_~i~4 186), 57730#(<= ULTIMATE.start_main_~i~4 188), 57731#(<= ULTIMATE.start_main_~i~4 190), 57732#(<= ULTIMATE.start_main_~i~4 192), 57733#(<= ULTIMATE.start_main_~i~4 194), 57734#(<= ULTIMATE.start_main_~i~4 196), 57735#(<= ULTIMATE.start_main_~i~4 198), 57736#(<= ULTIMATE.start_main_~i~4 200), 57737#(<= ULTIMATE.start_main_~i~4 202), 57738#(<= ULTIMATE.start_main_~i~4 204), 57739#(<= ULTIMATE.start_main_~i~4 206), 57740#(<= ULTIMATE.start_main_~i~4 208), 57741#(<= ULTIMATE.start_main_~i~4 210), 57742#(<= ULTIMATE.start_main_~i~4 212), 57743#(<= ULTIMATE.start_main_~i~4 214), 57744#(<= ULTIMATE.start_main_~i~4 216), 57745#(<= ULTIMATE.start_main_~i~4 218), 57746#(<= ULTIMATE.start_main_~i~4 220), 57747#(<= ULTIMATE.start_main_~i~4 222), 57748#(<= ULTIMATE.start_main_~i~4 224), 57749#(<= ULTIMATE.start_main_~i~4 226), 57750#(<= ULTIMATE.start_main_~i~4 228), 57751#(<= ULTIMATE.start_main_~i~4 230), 57752#(<= ULTIMATE.start_main_~i~4 232), 57753#(<= ULTIMATE.start_main_~i~4 234), 57754#(<= ULTIMATE.start_main_~i~4 236), 57755#(<= ULTIMATE.start_main_~i~4 238), 57756#(<= ULTIMATE.start_main_~i~4 240), 57757#(<= ULTIMATE.start_main_~i~4 242), 57758#(<= ULTIMATE.start_main_~i~4 244), 57759#(<= ULTIMATE.start_main_~i~4 246), 57760#(<= ULTIMATE.start_main_~i~4 248), 57761#(<= ULTIMATE.start_main_~i~4 250), 57762#(<= ULTIMATE.start_main_~i~4 252), 57763#(<= ULTIMATE.start_main_~i~4 254), 57764#(<= ULTIMATE.start_main_~i~4 256), 57765#(<= ULTIMATE.start_main_~i~4 258), 57766#(<= ULTIMATE.start_main_~i~4 260), 57767#(<= ULTIMATE.start_main_~i~4 262), 57768#(<= ULTIMATE.start_main_~i~4 264), 57769#(<= ULTIMATE.start_main_~i~4 266), 57770#(<= ULTIMATE.start_main_~i~4 268), 57771#(<= ULTIMATE.start_main_~i~4 270), 57772#(<= ULTIMATE.start_main_~i~4 272), 57773#(<= ULTIMATE.start_main_~i~4 274), 57774#(<= ULTIMATE.start_main_~i~4 276), 57775#(<= ULTIMATE.start_main_~i~4 278), 57776#(<= ULTIMATE.start_main_~i~4 280), 57777#(<= ULTIMATE.start_main_~i~4 282), 57778#(<= ULTIMATE.start_main_~i~4 284), 57779#(<= ULTIMATE.start_main_~i~4 286), 57780#(<= ULTIMATE.start_main_~i~4 288), 57781#(<= ULTIMATE.start_main_~i~4 290), 57782#(<= ULTIMATE.start_main_~i~4 292), 57783#(<= ULTIMATE.start_main_~i~4 294)] [2018-07-23 13:38:20,244 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 13:38:20,244 INFO L450 AbstractCegarLoop]: Interpolant automaton has 150 states [2018-07-23 13:38:20,245 INFO L132 InterpolantAutomaton]: Constructing interpolant automaton starting with 150 interpolants. [2018-07-23 13:38:20,246 INFO L133 InterpolantAutomaton]: CoverageRelationStatistics Valid=11175, Invalid=11175, Unknown=0, NotChecked=0, Total=22350 [2018-07-23 13:38:20,246 INFO L87 Difference]: Start difference. First operand 151 states and 151 transitions. Second operand 150 states. [2018-07-23 13:38:20,623 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2018-07-23 13:38:20,623 INFO L93 Difference]: Finished difference Result 154 states and 154 transitions. [2018-07-23 13:38:20,623 INFO L142 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 150 states. [2018-07-23 13:38:20,623 INFO L78 Accepts]: Start accepts. Automaton has 150 states. Word has length 150 [2018-07-23 13:38:20,623 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2018-07-23 13:38:20,624 INFO L225 Difference]: With dead ends: 154 [2018-07-23 13:38:20,624 INFO L226 Difference]: Without dead ends: 152 [2018-07-23 13:38:20,625 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 13:38:20,625 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 152 states. [2018-07-23 13:38:20,627 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 152 to 152. [2018-07-23 13:38:20,627 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 152 states. [2018-07-23 13:38:20,627 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 152 states to 152 states and 152 transitions. [2018-07-23 13:38:20,627 INFO L78 Accepts]: Start accepts. Automaton has 152 states and 152 transitions. Word has length 150 [2018-07-23 13:38:20,627 INFO L84 Accepts]: Finished accepts. word is rejected. [2018-07-23 13:38:20,627 INFO L471 AbstractCegarLoop]: Abstraction has 152 states and 152 transitions. [2018-07-23 13:38:20,627 INFO L472 AbstractCegarLoop]: Interpolant automaton has 150 states. [2018-07-23 13:38:20,627 INFO L276 IsEmpty]: Start isEmpty. Operand 152 states and 152 transitions. [2018-07-23 13:38:20,628 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 152 [2018-07-23 13:38:20,628 INFO L349 BasicCegarLoop]: Found error trace [2018-07-23 13:38:20,628 INFO L357 BasicCegarLoop]: trace histogram [148, 1, 1, 1] [2018-07-23 13:38:20,628 INFO L414 AbstractCegarLoop]: === Iteration 149 === [ULTIMATE.startErr0AssertViolationASSERT]=== [2018-07-23 13:38:20,629 INFO L82 PathProgramCache]: Analyzing trace with hash -363940351, now seen corresponding path program 148 times [2018-07-23 13:38:20,629 INFO L69 tionRefinementEngine]: Using refinement strategy FixedRefinementStrategy [2018-07-23 13:38:20,696 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-07-23 13:38:21,235 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 13:38:21,235 INFO L309 seRefinementStrategy]: Constructing automaton from 0 perfect and 1 imperfect interpolant sequences. [2018-07-23 13:38:21,235 INFO L324 seRefinementStrategy]: Number of different interpolants: perfect sequences [] imperfect sequences [150] total 150 [2018-07-23 13:38:21,236 INFO L142 lantAutomatonBuilder]: Constructing canonical interpolant automaton, with selfloop in false state [2018-07-23 13:38:21,236 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 13:38:21,236 INFO L185 omatonBuilderFactory]: Interpolants [58396#true, 58397#false, 58398#(<= ULTIMATE.start_main_~i~4 0), 58399#(<= ULTIMATE.start_main_~i~4 2), 58400#(<= ULTIMATE.start_main_~i~4 4), 58401#(<= ULTIMATE.start_main_~i~4 6), 58402#(<= ULTIMATE.start_main_~i~4 8), 58403#(<= ULTIMATE.start_main_~i~4 10), 58404#(<= ULTIMATE.start_main_~i~4 12), 58405#(<= ULTIMATE.start_main_~i~4 14), 58406#(<= ULTIMATE.start_main_~i~4 16), 58407#(<= ULTIMATE.start_main_~i~4 18), 58408#(<= ULTIMATE.start_main_~i~4 20), 58409#(<= ULTIMATE.start_main_~i~4 22), 58410#(<= ULTIMATE.start_main_~i~4 24), 58411#(<= ULTIMATE.start_main_~i~4 26), 58412#(<= ULTIMATE.start_main_~i~4 28), 58413#(<= ULTIMATE.start_main_~i~4 30), 58414#(<= ULTIMATE.start_main_~i~4 32), 58415#(<= ULTIMATE.start_main_~i~4 34), 58416#(<= ULTIMATE.start_main_~i~4 36), 58417#(<= ULTIMATE.start_main_~i~4 38), 58418#(<= ULTIMATE.start_main_~i~4 40), 58419#(<= ULTIMATE.start_main_~i~4 42), 58420#(<= ULTIMATE.start_main_~i~4 44), 58421#(<= ULTIMATE.start_main_~i~4 46), 58422#(<= ULTIMATE.start_main_~i~4 48), 58423#(<= ULTIMATE.start_main_~i~4 50), 58424#(<= ULTIMATE.start_main_~i~4 52), 58425#(<= ULTIMATE.start_main_~i~4 54), 58426#(<= ULTIMATE.start_main_~i~4 56), 58427#(<= ULTIMATE.start_main_~i~4 58), 58428#(<= ULTIMATE.start_main_~i~4 60), 58429#(<= ULTIMATE.start_main_~i~4 62), 58430#(<= ULTIMATE.start_main_~i~4 64), 58431#(<= ULTIMATE.start_main_~i~4 66), 58432#(<= ULTIMATE.start_main_~i~4 68), 58433#(<= ULTIMATE.start_main_~i~4 70), 58434#(<= ULTIMATE.start_main_~i~4 72), 58435#(<= ULTIMATE.start_main_~i~4 74), 58436#(<= ULTIMATE.start_main_~i~4 76), 58437#(<= ULTIMATE.start_main_~i~4 78), 58438#(<= ULTIMATE.start_main_~i~4 80), 58439#(<= ULTIMATE.start_main_~i~4 82), 58440#(<= ULTIMATE.start_main_~i~4 84), 58441#(<= ULTIMATE.start_main_~i~4 86), 58442#(<= ULTIMATE.start_main_~i~4 88), 58443#(<= ULTIMATE.start_main_~i~4 90), 58444#(<= ULTIMATE.start_main_~i~4 92), 58445#(<= ULTIMATE.start_main_~i~4 94), 58446#(<= ULTIMATE.start_main_~i~4 96), 58447#(<= ULTIMATE.start_main_~i~4 98), 58448#(<= ULTIMATE.start_main_~i~4 100), 58449#(<= ULTIMATE.start_main_~i~4 102), 58450#(<= ULTIMATE.start_main_~i~4 104), 58451#(<= ULTIMATE.start_main_~i~4 106), 58452#(<= ULTIMATE.start_main_~i~4 108), 58453#(<= ULTIMATE.start_main_~i~4 110), 58454#(<= ULTIMATE.start_main_~i~4 112), 58455#(<= ULTIMATE.start_main_~i~4 114), 58456#(<= ULTIMATE.start_main_~i~4 116), 58457#(<= ULTIMATE.start_main_~i~4 118), 58458#(<= ULTIMATE.start_main_~i~4 120), 58459#(<= ULTIMATE.start_main_~i~4 122), 58460#(<= ULTIMATE.start_main_~i~4 124), 58461#(<= ULTIMATE.start_main_~i~4 126), 58462#(<= ULTIMATE.start_main_~i~4 128), 58463#(<= ULTIMATE.start_main_~i~4 130), 58464#(<= ULTIMATE.start_main_~i~4 132), 58465#(<= ULTIMATE.start_main_~i~4 134), 58466#(<= ULTIMATE.start_main_~i~4 136), 58467#(<= ULTIMATE.start_main_~i~4 138), 58468#(<= ULTIMATE.start_main_~i~4 140), 58469#(<= ULTIMATE.start_main_~i~4 142), 58470#(<= ULTIMATE.start_main_~i~4 144), 58471#(<= ULTIMATE.start_main_~i~4 146), 58472#(<= ULTIMATE.start_main_~i~4 148), 58473#(<= ULTIMATE.start_main_~i~4 150), 58474#(<= ULTIMATE.start_main_~i~4 152), 58475#(<= ULTIMATE.start_main_~i~4 154), 58476#(<= ULTIMATE.start_main_~i~4 156), 58477#(<= ULTIMATE.start_main_~i~4 158), 58478#(<= ULTIMATE.start_main_~i~4 160), 58479#(<= ULTIMATE.start_main_~i~4 162), 58480#(<= ULTIMATE.start_main_~i~4 164), 58481#(<= ULTIMATE.start_main_~i~4 166), 58482#(<= ULTIMATE.start_main_~i~4 168), 58483#(<= ULTIMATE.start_main_~i~4 170), 58484#(<= ULTIMATE.start_main_~i~4 172), 58485#(<= ULTIMATE.start_main_~i~4 174), 58486#(<= ULTIMATE.start_main_~i~4 176), 58487#(<= ULTIMATE.start_main_~i~4 178), 58488#(<= ULTIMATE.start_main_~i~4 180), 58489#(<= ULTIMATE.start_main_~i~4 182), 58490#(<= ULTIMATE.start_main_~i~4 184), 58491#(<= ULTIMATE.start_main_~i~4 186), 58492#(<= ULTIMATE.start_main_~i~4 188), 58493#(<= ULTIMATE.start_main_~i~4 190), 58494#(<= ULTIMATE.start_main_~i~4 192), 58495#(<= ULTIMATE.start_main_~i~4 194), 58496#(<= ULTIMATE.start_main_~i~4 196), 58497#(<= ULTIMATE.start_main_~i~4 198), 58498#(<= ULTIMATE.start_main_~i~4 200), 58499#(<= ULTIMATE.start_main_~i~4 202), 58500#(<= ULTIMATE.start_main_~i~4 204), 58501#(<= ULTIMATE.start_main_~i~4 206), 58502#(<= ULTIMATE.start_main_~i~4 208), 58503#(<= ULTIMATE.start_main_~i~4 210), 58504#(<= ULTIMATE.start_main_~i~4 212), 58505#(<= ULTIMATE.start_main_~i~4 214), 58506#(<= ULTIMATE.start_main_~i~4 216), 58507#(<= ULTIMATE.start_main_~i~4 218), 58508#(<= ULTIMATE.start_main_~i~4 220), 58509#(<= ULTIMATE.start_main_~i~4 222), 58510#(<= ULTIMATE.start_main_~i~4 224), 58511#(<= ULTIMATE.start_main_~i~4 226), 58512#(<= ULTIMATE.start_main_~i~4 228), 58513#(<= ULTIMATE.start_main_~i~4 230), 58514#(<= ULTIMATE.start_main_~i~4 232), 58515#(<= ULTIMATE.start_main_~i~4 234), 58516#(<= ULTIMATE.start_main_~i~4 236), 58517#(<= ULTIMATE.start_main_~i~4 238), 58518#(<= ULTIMATE.start_main_~i~4 240), 58519#(<= ULTIMATE.start_main_~i~4 242), 58520#(<= ULTIMATE.start_main_~i~4 244), 58521#(<= ULTIMATE.start_main_~i~4 246), 58522#(<= ULTIMATE.start_main_~i~4 248), 58523#(<= ULTIMATE.start_main_~i~4 250), 58524#(<= ULTIMATE.start_main_~i~4 252), 58525#(<= ULTIMATE.start_main_~i~4 254), 58526#(<= ULTIMATE.start_main_~i~4 256), 58527#(<= ULTIMATE.start_main_~i~4 258), 58528#(<= ULTIMATE.start_main_~i~4 260), 58529#(<= ULTIMATE.start_main_~i~4 262), 58530#(<= ULTIMATE.start_main_~i~4 264), 58531#(<= ULTIMATE.start_main_~i~4 266), 58532#(<= ULTIMATE.start_main_~i~4 268), 58533#(<= ULTIMATE.start_main_~i~4 270), 58534#(<= ULTIMATE.start_main_~i~4 272), 58535#(<= ULTIMATE.start_main_~i~4 274), 58536#(<= ULTIMATE.start_main_~i~4 276), 58537#(<= ULTIMATE.start_main_~i~4 278), 58538#(<= ULTIMATE.start_main_~i~4 280), 58539#(<= ULTIMATE.start_main_~i~4 282), 58540#(<= ULTIMATE.start_main_~i~4 284), 58541#(<= ULTIMATE.start_main_~i~4 286), 58542#(<= ULTIMATE.start_main_~i~4 288), 58543#(<= ULTIMATE.start_main_~i~4 290), 58544#(<= ULTIMATE.start_main_~i~4 292), 58545#(<= ULTIMATE.start_main_~i~4 294), 58546#(<= ULTIMATE.start_main_~i~4 296)] [2018-07-23 13:38:21,237 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 13:38:21,237 INFO L450 AbstractCegarLoop]: Interpolant automaton has 151 states [2018-07-23 13:38:21,238 INFO L132 InterpolantAutomaton]: Constructing interpolant automaton starting with 151 interpolants. [2018-07-23 13:38:21,239 INFO L133 InterpolantAutomaton]: CoverageRelationStatistics Valid=11325, Invalid=11325, Unknown=0, NotChecked=0, Total=22650 [2018-07-23 13:38:21,239 INFO L87 Difference]: Start difference. First operand 152 states and 152 transitions. Second operand 151 states. [2018-07-23 13:38:21,576 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2018-07-23 13:38:21,576 INFO L93 Difference]: Finished difference Result 155 states and 155 transitions. [2018-07-23 13:38:21,576 INFO L142 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 151 states. [2018-07-23 13:38:21,577 INFO L78 Accepts]: Start accepts. Automaton has 151 states. Word has length 151 [2018-07-23 13:38:21,577 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2018-07-23 13:38:21,577 INFO L225 Difference]: With dead ends: 155 [2018-07-23 13:38:21,577 INFO L226 Difference]: Without dead ends: 153 [2018-07-23 13:38:21,578 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 13:38:21,578 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 153 states. [2018-07-23 13:38:21,580 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 153 to 153. [2018-07-23 13:38:21,580 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 153 states. [2018-07-23 13:38:21,580 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 153 states to 153 states and 153 transitions. [2018-07-23 13:38:21,580 INFO L78 Accepts]: Start accepts. Automaton has 153 states and 153 transitions. Word has length 151 [2018-07-23 13:38:21,580 INFO L84 Accepts]: Finished accepts. word is rejected. [2018-07-23 13:38:21,580 INFO L471 AbstractCegarLoop]: Abstraction has 153 states and 153 transitions. [2018-07-23 13:38:21,580 INFO L472 AbstractCegarLoop]: Interpolant automaton has 151 states. [2018-07-23 13:38:21,580 INFO L276 IsEmpty]: Start isEmpty. Operand 153 states and 153 transitions. [2018-07-23 13:38:21,581 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 153 [2018-07-23 13:38:21,581 INFO L349 BasicCegarLoop]: Found error trace [2018-07-23 13:38:21,581 INFO L357 BasicCegarLoop]: trace histogram [149, 1, 1, 1] [2018-07-23 13:38:21,581 INFO L414 AbstractCegarLoop]: === Iteration 150 === [ULTIMATE.startErr0AssertViolationASSERT]=== [2018-07-23 13:38:21,581 INFO L82 PathProgramCache]: Analyzing trace with hash 1602749032, now seen corresponding path program 149 times [2018-07-23 13:38:21,581 INFO L69 tionRefinementEngine]: Using refinement strategy FixedRefinementStrategy [2018-07-23 13:38:21,641 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-07-23 13:38:22,171 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 13:38:22,171 INFO L309 seRefinementStrategy]: Constructing automaton from 0 perfect and 1 imperfect interpolant sequences. [2018-07-23 13:38:22,171 INFO L324 seRefinementStrategy]: Number of different interpolants: perfect sequences [] imperfect sequences [151] total 151 [2018-07-23 13:38:22,171 INFO L142 lantAutomatonBuilder]: Constructing canonical interpolant automaton, with selfloop in false state [2018-07-23 13:38:22,171 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2018-07-23 13:38:22,172 INFO L185 omatonBuilderFactory]: Interpolants [59163#true, 59164#false, 59165#(<= ULTIMATE.start_main_~i~4 0), 59166#(<= ULTIMATE.start_main_~i~4 2), 59167#(<= ULTIMATE.start_main_~i~4 4), 59168#(<= ULTIMATE.start_main_~i~4 6), 59169#(<= ULTIMATE.start_main_~i~4 8), 59170#(<= ULTIMATE.start_main_~i~4 10), 59171#(<= ULTIMATE.start_main_~i~4 12), 59172#(<= ULTIMATE.start_main_~i~4 14), 59173#(<= ULTIMATE.start_main_~i~4 16), 59174#(<= ULTIMATE.start_main_~i~4 18), 59175#(<= ULTIMATE.start_main_~i~4 20), 59176#(<= ULTIMATE.start_main_~i~4 22), 59177#(<= ULTIMATE.start_main_~i~4 24), 59178#(<= ULTIMATE.start_main_~i~4 26), 59179#(<= ULTIMATE.start_main_~i~4 28), 59180#(<= ULTIMATE.start_main_~i~4 30), 59181#(<= ULTIMATE.start_main_~i~4 32), 59182#(<= ULTIMATE.start_main_~i~4 34), 59183#(<= ULTIMATE.start_main_~i~4 36), 59184#(<= ULTIMATE.start_main_~i~4 38), 59185#(<= ULTIMATE.start_main_~i~4 40), 59186#(<= ULTIMATE.start_main_~i~4 42), 59187#(<= ULTIMATE.start_main_~i~4 44), 59188#(<= ULTIMATE.start_main_~i~4 46), 59189#(<= ULTIMATE.start_main_~i~4 48), 59190#(<= ULTIMATE.start_main_~i~4 50), 59191#(<= ULTIMATE.start_main_~i~4 52), 59192#(<= ULTIMATE.start_main_~i~4 54), 59193#(<= ULTIMATE.start_main_~i~4 56), 59194#(<= ULTIMATE.start_main_~i~4 58), 59195#(<= ULTIMATE.start_main_~i~4 60), 59196#(<= ULTIMATE.start_main_~i~4 62), 59197#(<= ULTIMATE.start_main_~i~4 64), 59198#(<= ULTIMATE.start_main_~i~4 66), 59199#(<= ULTIMATE.start_main_~i~4 68), 59200#(<= ULTIMATE.start_main_~i~4 70), 59201#(<= ULTIMATE.start_main_~i~4 72), 59202#(<= ULTIMATE.start_main_~i~4 74), 59203#(<= ULTIMATE.start_main_~i~4 76), 59204#(<= ULTIMATE.start_main_~i~4 78), 59205#(<= ULTIMATE.start_main_~i~4 80), 59206#(<= ULTIMATE.start_main_~i~4 82), 59207#(<= ULTIMATE.start_main_~i~4 84), 59208#(<= ULTIMATE.start_main_~i~4 86), 59209#(<= ULTIMATE.start_main_~i~4 88), 59210#(<= ULTIMATE.start_main_~i~4 90), 59211#(<= ULTIMATE.start_main_~i~4 92), 59212#(<= ULTIMATE.start_main_~i~4 94), 59213#(<= ULTIMATE.start_main_~i~4 96), 59214#(<= ULTIMATE.start_main_~i~4 98), 59215#(<= ULTIMATE.start_main_~i~4 100), 59216#(<= ULTIMATE.start_main_~i~4 102), 59217#(<= ULTIMATE.start_main_~i~4 104), 59218#(<= ULTIMATE.start_main_~i~4 106), 59219#(<= ULTIMATE.start_main_~i~4 108), 59220#(<= ULTIMATE.start_main_~i~4 110), 59221#(<= ULTIMATE.start_main_~i~4 112), 59222#(<= ULTIMATE.start_main_~i~4 114), 59223#(<= ULTIMATE.start_main_~i~4 116), 59224#(<= ULTIMATE.start_main_~i~4 118), 59225#(<= ULTIMATE.start_main_~i~4 120), 59226#(<= ULTIMATE.start_main_~i~4 122), 59227#(<= ULTIMATE.start_main_~i~4 124), 59228#(<= ULTIMATE.start_main_~i~4 126), 59229#(<= ULTIMATE.start_main_~i~4 128), 59230#(<= ULTIMATE.start_main_~i~4 130), 59231#(<= ULTIMATE.start_main_~i~4 132), 59232#(<= ULTIMATE.start_main_~i~4 134), 59233#(<= ULTIMATE.start_main_~i~4 136), 59234#(<= ULTIMATE.start_main_~i~4 138), 59235#(<= ULTIMATE.start_main_~i~4 140), 59236#(<= ULTIMATE.start_main_~i~4 142), 59237#(<= ULTIMATE.start_main_~i~4 144), 59238#(<= ULTIMATE.start_main_~i~4 146), 59239#(<= ULTIMATE.start_main_~i~4 148), 59240#(<= ULTIMATE.start_main_~i~4 150), 59241#(<= ULTIMATE.start_main_~i~4 152), 59242#(<= ULTIMATE.start_main_~i~4 154), 59243#(<= ULTIMATE.start_main_~i~4 156), 59244#(<= ULTIMATE.start_main_~i~4 158), 59245#(<= ULTIMATE.start_main_~i~4 160), 59246#(<= ULTIMATE.start_main_~i~4 162), 59247#(<= ULTIMATE.start_main_~i~4 164), 59248#(<= ULTIMATE.start_main_~i~4 166), 59249#(<= ULTIMATE.start_main_~i~4 168), 59250#(<= ULTIMATE.start_main_~i~4 170), 59251#(<= ULTIMATE.start_main_~i~4 172), 59252#(<= ULTIMATE.start_main_~i~4 174), 59253#(<= ULTIMATE.start_main_~i~4 176), 59254#(<= ULTIMATE.start_main_~i~4 178), 59255#(<= ULTIMATE.start_main_~i~4 180), 59256#(<= ULTIMATE.start_main_~i~4 182), 59257#(<= ULTIMATE.start_main_~i~4 184), 59258#(<= ULTIMATE.start_main_~i~4 186), 59259#(<= ULTIMATE.start_main_~i~4 188), 59260#(<= ULTIMATE.start_main_~i~4 190), 59261#(<= ULTIMATE.start_main_~i~4 192), 59262#(<= ULTIMATE.start_main_~i~4 194), 59263#(<= ULTIMATE.start_main_~i~4 196), 59264#(<= ULTIMATE.start_main_~i~4 198), 59265#(<= ULTIMATE.start_main_~i~4 200), 59266#(<= ULTIMATE.start_main_~i~4 202), 59267#(<= ULTIMATE.start_main_~i~4 204), 59268#(<= ULTIMATE.start_main_~i~4 206), 59269#(<= ULTIMATE.start_main_~i~4 208), 59270#(<= ULTIMATE.start_main_~i~4 210), 59271#(<= ULTIMATE.start_main_~i~4 212), 59272#(<= ULTIMATE.start_main_~i~4 214), 59273#(<= ULTIMATE.start_main_~i~4 216), 59274#(<= ULTIMATE.start_main_~i~4 218), 59275#(<= ULTIMATE.start_main_~i~4 220), 59276#(<= ULTIMATE.start_main_~i~4 222), 59277#(<= ULTIMATE.start_main_~i~4 224), 59278#(<= ULTIMATE.start_main_~i~4 226), 59279#(<= ULTIMATE.start_main_~i~4 228), 59280#(<= ULTIMATE.start_main_~i~4 230), 59281#(<= ULTIMATE.start_main_~i~4 232), 59282#(<= ULTIMATE.start_main_~i~4 234), 59283#(<= ULTIMATE.start_main_~i~4 236), 59284#(<= ULTIMATE.start_main_~i~4 238), 59285#(<= ULTIMATE.start_main_~i~4 240), 59286#(<= ULTIMATE.start_main_~i~4 242), 59287#(<= ULTIMATE.start_main_~i~4 244), 59288#(<= ULTIMATE.start_main_~i~4 246), 59289#(<= ULTIMATE.start_main_~i~4 248), 59290#(<= ULTIMATE.start_main_~i~4 250), 59291#(<= ULTIMATE.start_main_~i~4 252), 59292#(<= ULTIMATE.start_main_~i~4 254), 59293#(<= ULTIMATE.start_main_~i~4 256), 59294#(<= ULTIMATE.start_main_~i~4 258), 59295#(<= ULTIMATE.start_main_~i~4 260), 59296#(<= ULTIMATE.start_main_~i~4 262), 59297#(<= ULTIMATE.start_main_~i~4 264), 59298#(<= ULTIMATE.start_main_~i~4 266), 59299#(<= ULTIMATE.start_main_~i~4 268), 59300#(<= ULTIMATE.start_main_~i~4 270), 59301#(<= ULTIMATE.start_main_~i~4 272), 59302#(<= ULTIMATE.start_main_~i~4 274), 59303#(<= ULTIMATE.start_main_~i~4 276), 59304#(<= ULTIMATE.start_main_~i~4 278), 59305#(<= ULTIMATE.start_main_~i~4 280), 59306#(<= ULTIMATE.start_main_~i~4 282), 59307#(<= ULTIMATE.start_main_~i~4 284), 59308#(<= ULTIMATE.start_main_~i~4 286), 59309#(<= ULTIMATE.start_main_~i~4 288), 59310#(<= ULTIMATE.start_main_~i~4 290), 59311#(<= ULTIMATE.start_main_~i~4 292), 59312#(<= ULTIMATE.start_main_~i~4 294), 59313#(<= ULTIMATE.start_main_~i~4 296), 59314#(<= ULTIMATE.start_main_~i~4 298)] [2018-07-23 13:38:22,172 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 13:38:22,172 INFO L450 AbstractCegarLoop]: Interpolant automaton has 152 states [2018-07-23 13:38:22,173 INFO L132 InterpolantAutomaton]: Constructing interpolant automaton starting with 152 interpolants. [2018-07-23 13:38:22,173 INFO L133 InterpolantAutomaton]: CoverageRelationStatistics Valid=11476, Invalid=11476, Unknown=0, NotChecked=0, Total=22952 [2018-07-23 13:38:22,174 INFO L87 Difference]: Start difference. First operand 153 states and 153 transitions. Second operand 152 states. [2018-07-23 13:38:22,507 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2018-07-23 13:38:22,507 INFO L93 Difference]: Finished difference Result 156 states and 156 transitions. [2018-07-23 13:38:22,507 INFO L142 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 152 states. [2018-07-23 13:38:22,507 INFO L78 Accepts]: Start accepts. Automaton has 152 states. Word has length 152 [2018-07-23 13:38:22,507 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2018-07-23 13:38:22,508 INFO L225 Difference]: With dead ends: 156 [2018-07-23 13:38:22,508 INFO L226 Difference]: Without dead ends: 154 [2018-07-23 13:38:22,508 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 13:38:22,508 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 154 states. [2018-07-23 13:38:22,510 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 154 to 154. [2018-07-23 13:38:22,510 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 154 states. [2018-07-23 13:38:22,510 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 154 states to 154 states and 154 transitions. [2018-07-23 13:38:22,510 INFO L78 Accepts]: Start accepts. Automaton has 154 states and 154 transitions. Word has length 152 [2018-07-23 13:38:22,510 INFO L84 Accepts]: Finished accepts. word is rejected. [2018-07-23 13:38:22,511 INFO L471 AbstractCegarLoop]: Abstraction has 154 states and 154 transitions. [2018-07-23 13:38:22,511 INFO L472 AbstractCegarLoop]: Interpolant automaton has 152 states. [2018-07-23 13:38:22,511 INFO L276 IsEmpty]: Start isEmpty. Operand 154 states and 154 transitions. [2018-07-23 13:38:22,511 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 154 [2018-07-23 13:38:22,511 INFO L349 BasicCegarLoop]: Found error trace [2018-07-23 13:38:22,511 INFO L357 BasicCegarLoop]: trace histogram [150, 1, 1, 1] [2018-07-23 13:38:22,511 INFO L414 AbstractCegarLoop]: === Iteration 151 === [ULTIMATE.startErr0AssertViolationASSERT]=== [2018-07-23 13:38:22,511 INFO L82 PathProgramCache]: Analyzing trace with hash -1854389535, now seen corresponding path program 150 times [2018-07-23 13:38:22,511 INFO L69 tionRefinementEngine]: Using refinement strategy FixedRefinementStrategy [2018-07-23 13:38:22,582 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-07-23 13:38:23,048 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 13:38:23,048 INFO L309 seRefinementStrategy]: Constructing automaton from 0 perfect and 1 imperfect interpolant sequences. [2018-07-23 13:38:23,048 INFO L324 seRefinementStrategy]: Number of different interpolants: perfect sequences [] imperfect sequences [152] total 152 [2018-07-23 13:38:23,048 INFO L142 lantAutomatonBuilder]: Constructing canonical interpolant automaton, with selfloop in false state [2018-07-23 13:38:23,048 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2018-07-23 13:38:23,049 INFO L185 omatonBuilderFactory]: Interpolants [59935#true, 59936#false, 59937#(<= ULTIMATE.start_main_~i~4 0), 59938#(<= ULTIMATE.start_main_~i~4 2), 59939#(<= ULTIMATE.start_main_~i~4 4), 59940#(<= ULTIMATE.start_main_~i~4 6), 59941#(<= ULTIMATE.start_main_~i~4 8), 59942#(<= ULTIMATE.start_main_~i~4 10), 59943#(<= ULTIMATE.start_main_~i~4 12), 59944#(<= ULTIMATE.start_main_~i~4 14), 59945#(<= ULTIMATE.start_main_~i~4 16), 59946#(<= ULTIMATE.start_main_~i~4 18), 59947#(<= ULTIMATE.start_main_~i~4 20), 59948#(<= ULTIMATE.start_main_~i~4 22), 59949#(<= ULTIMATE.start_main_~i~4 24), 59950#(<= ULTIMATE.start_main_~i~4 26), 59951#(<= ULTIMATE.start_main_~i~4 28), 59952#(<= ULTIMATE.start_main_~i~4 30), 59953#(<= ULTIMATE.start_main_~i~4 32), 59954#(<= ULTIMATE.start_main_~i~4 34), 59955#(<= ULTIMATE.start_main_~i~4 36), 59956#(<= ULTIMATE.start_main_~i~4 38), 59957#(<= ULTIMATE.start_main_~i~4 40), 59958#(<= ULTIMATE.start_main_~i~4 42), 59959#(<= ULTIMATE.start_main_~i~4 44), 59960#(<= ULTIMATE.start_main_~i~4 46), 59961#(<= ULTIMATE.start_main_~i~4 48), 59962#(<= ULTIMATE.start_main_~i~4 50), 59963#(<= ULTIMATE.start_main_~i~4 52), 59964#(<= ULTIMATE.start_main_~i~4 54), 59965#(<= ULTIMATE.start_main_~i~4 56), 59966#(<= ULTIMATE.start_main_~i~4 58), 59967#(<= ULTIMATE.start_main_~i~4 60), 59968#(<= ULTIMATE.start_main_~i~4 62), 59969#(<= ULTIMATE.start_main_~i~4 64), 59970#(<= ULTIMATE.start_main_~i~4 66), 59971#(<= ULTIMATE.start_main_~i~4 68), 59972#(<= ULTIMATE.start_main_~i~4 70), 59973#(<= ULTIMATE.start_main_~i~4 72), 59974#(<= ULTIMATE.start_main_~i~4 74), 59975#(<= ULTIMATE.start_main_~i~4 76), 59976#(<= ULTIMATE.start_main_~i~4 78), 59977#(<= ULTIMATE.start_main_~i~4 80), 59978#(<= ULTIMATE.start_main_~i~4 82), 59979#(<= ULTIMATE.start_main_~i~4 84), 59980#(<= ULTIMATE.start_main_~i~4 86), 59981#(<= ULTIMATE.start_main_~i~4 88), 59982#(<= ULTIMATE.start_main_~i~4 90), 59983#(<= ULTIMATE.start_main_~i~4 92), 59984#(<= ULTIMATE.start_main_~i~4 94), 59985#(<= ULTIMATE.start_main_~i~4 96), 59986#(<= ULTIMATE.start_main_~i~4 98), 59987#(<= ULTIMATE.start_main_~i~4 100), 59988#(<= ULTIMATE.start_main_~i~4 102), 59989#(<= ULTIMATE.start_main_~i~4 104), 59990#(<= ULTIMATE.start_main_~i~4 106), 59991#(<= ULTIMATE.start_main_~i~4 108), 59992#(<= ULTIMATE.start_main_~i~4 110), 59993#(<= ULTIMATE.start_main_~i~4 112), 59994#(<= ULTIMATE.start_main_~i~4 114), 59995#(<= ULTIMATE.start_main_~i~4 116), 59996#(<= ULTIMATE.start_main_~i~4 118), 59997#(<= ULTIMATE.start_main_~i~4 120), 59998#(<= ULTIMATE.start_main_~i~4 122), 59999#(<= ULTIMATE.start_main_~i~4 124), 60000#(<= ULTIMATE.start_main_~i~4 126), 60001#(<= ULTIMATE.start_main_~i~4 128), 60002#(<= ULTIMATE.start_main_~i~4 130), 60003#(<= ULTIMATE.start_main_~i~4 132), 60004#(<= ULTIMATE.start_main_~i~4 134), 60005#(<= ULTIMATE.start_main_~i~4 136), 60006#(<= ULTIMATE.start_main_~i~4 138), 60007#(<= ULTIMATE.start_main_~i~4 140), 60008#(<= ULTIMATE.start_main_~i~4 142), 60009#(<= ULTIMATE.start_main_~i~4 144), 60010#(<= ULTIMATE.start_main_~i~4 146), 60011#(<= ULTIMATE.start_main_~i~4 148), 60012#(<= ULTIMATE.start_main_~i~4 150), 60013#(<= ULTIMATE.start_main_~i~4 152), 60014#(<= ULTIMATE.start_main_~i~4 154), 60015#(<= ULTIMATE.start_main_~i~4 156), 60016#(<= ULTIMATE.start_main_~i~4 158), 60017#(<= ULTIMATE.start_main_~i~4 160), 60018#(<= ULTIMATE.start_main_~i~4 162), 60019#(<= ULTIMATE.start_main_~i~4 164), 60020#(<= ULTIMATE.start_main_~i~4 166), 60021#(<= ULTIMATE.start_main_~i~4 168), 60022#(<= ULTIMATE.start_main_~i~4 170), 60023#(<= ULTIMATE.start_main_~i~4 172), 60024#(<= ULTIMATE.start_main_~i~4 174), 60025#(<= ULTIMATE.start_main_~i~4 176), 60026#(<= ULTIMATE.start_main_~i~4 178), 60027#(<= ULTIMATE.start_main_~i~4 180), 60028#(<= ULTIMATE.start_main_~i~4 182), 60029#(<= ULTIMATE.start_main_~i~4 184), 60030#(<= ULTIMATE.start_main_~i~4 186), 60031#(<= ULTIMATE.start_main_~i~4 188), 60032#(<= ULTIMATE.start_main_~i~4 190), 60033#(<= ULTIMATE.start_main_~i~4 192), 60034#(<= ULTIMATE.start_main_~i~4 194), 60035#(<= ULTIMATE.start_main_~i~4 196), 60036#(<= ULTIMATE.start_main_~i~4 198), 60037#(<= ULTIMATE.start_main_~i~4 200), 60038#(<= ULTIMATE.start_main_~i~4 202), 60039#(<= ULTIMATE.start_main_~i~4 204), 60040#(<= ULTIMATE.start_main_~i~4 206), 60041#(<= ULTIMATE.start_main_~i~4 208), 60042#(<= ULTIMATE.start_main_~i~4 210), 60043#(<= ULTIMATE.start_main_~i~4 212), 60044#(<= ULTIMATE.start_main_~i~4 214), 60045#(<= ULTIMATE.start_main_~i~4 216), 60046#(<= ULTIMATE.start_main_~i~4 218), 60047#(<= ULTIMATE.start_main_~i~4 220), 60048#(<= ULTIMATE.start_main_~i~4 222), 60049#(<= ULTIMATE.start_main_~i~4 224), 60050#(<= ULTIMATE.start_main_~i~4 226), 60051#(<= ULTIMATE.start_main_~i~4 228), 60052#(<= ULTIMATE.start_main_~i~4 230), 60053#(<= ULTIMATE.start_main_~i~4 232), 60054#(<= ULTIMATE.start_main_~i~4 234), 60055#(<= ULTIMATE.start_main_~i~4 236), 60056#(<= ULTIMATE.start_main_~i~4 238), 60057#(<= ULTIMATE.start_main_~i~4 240), 60058#(<= ULTIMATE.start_main_~i~4 242), 60059#(<= ULTIMATE.start_main_~i~4 244), 60060#(<= ULTIMATE.start_main_~i~4 246), 60061#(<= ULTIMATE.start_main_~i~4 248), 60062#(<= ULTIMATE.start_main_~i~4 250), 60063#(<= ULTIMATE.start_main_~i~4 252), 60064#(<= ULTIMATE.start_main_~i~4 254), 60065#(<= ULTIMATE.start_main_~i~4 256), 60066#(<= ULTIMATE.start_main_~i~4 258), 60067#(<= ULTIMATE.start_main_~i~4 260), 60068#(<= ULTIMATE.start_main_~i~4 262), 60069#(<= ULTIMATE.start_main_~i~4 264), 60070#(<= ULTIMATE.start_main_~i~4 266), 60071#(<= ULTIMATE.start_main_~i~4 268), 60072#(<= ULTIMATE.start_main_~i~4 270), 60073#(<= ULTIMATE.start_main_~i~4 272), 60074#(<= ULTIMATE.start_main_~i~4 274), 60075#(<= ULTIMATE.start_main_~i~4 276), 60076#(<= ULTIMATE.start_main_~i~4 278), 60077#(<= ULTIMATE.start_main_~i~4 280), 60078#(<= ULTIMATE.start_main_~i~4 282), 60079#(<= ULTIMATE.start_main_~i~4 284), 60080#(<= ULTIMATE.start_main_~i~4 286), 60081#(<= ULTIMATE.start_main_~i~4 288), 60082#(<= ULTIMATE.start_main_~i~4 290), 60083#(<= ULTIMATE.start_main_~i~4 292), 60084#(<= ULTIMATE.start_main_~i~4 294), 60085#(<= ULTIMATE.start_main_~i~4 296), 60086#(<= ULTIMATE.start_main_~i~4 298), 60087#(<= ULTIMATE.start_main_~i~4 300)] [2018-07-23 13:38:23,049 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 13:38:23,049 INFO L450 AbstractCegarLoop]: Interpolant automaton has 153 states [2018-07-23 13:38:23,051 INFO L132 InterpolantAutomaton]: Constructing interpolant automaton starting with 153 interpolants. [2018-07-23 13:38:23,052 INFO L133 InterpolantAutomaton]: CoverageRelationStatistics Valid=11628, Invalid=11628, Unknown=0, NotChecked=0, Total=23256 [2018-07-23 13:38:23,052 INFO L87 Difference]: Start difference. First operand 154 states and 154 transitions. Second operand 153 states. [2018-07-23 13:38:23,416 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2018-07-23 13:38:23,416 INFO L93 Difference]: Finished difference Result 157 states and 157 transitions. [2018-07-23 13:38:23,416 INFO L142 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 153 states. [2018-07-23 13:38:23,416 INFO L78 Accepts]: Start accepts. Automaton has 153 states. Word has length 153 [2018-07-23 13:38:23,416 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2018-07-23 13:38:23,417 INFO L225 Difference]: With dead ends: 157 [2018-07-23 13:38:23,417 INFO L226 Difference]: Without dead ends: 155 [2018-07-23 13:38:23,418 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 13:38:23,418 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 155 states. [2018-07-23 13:38:23,421 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 155 to 155. [2018-07-23 13:38:23,421 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 155 states. [2018-07-23 13:38:23,421 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 155 states to 155 states and 155 transitions. [2018-07-23 13:38:23,421 INFO L78 Accepts]: Start accepts. Automaton has 155 states and 155 transitions. Word has length 153 [2018-07-23 13:38:23,421 INFO L84 Accepts]: Finished accepts. word is rejected. [2018-07-23 13:38:23,422 INFO L471 AbstractCegarLoop]: Abstraction has 155 states and 155 transitions. [2018-07-23 13:38:23,422 INFO L472 AbstractCegarLoop]: Interpolant automaton has 153 states. [2018-07-23 13:38:23,422 INFO L276 IsEmpty]: Start isEmpty. Operand 155 states and 155 transitions. [2018-07-23 13:38:23,422 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 155 [2018-07-23 13:38:23,422 INFO L349 BasicCegarLoop]: Found error trace [2018-07-23 13:38:23,423 INFO L357 BasicCegarLoop]: trace histogram [151, 1, 1, 1] [2018-07-23 13:38:23,423 INFO L414 AbstractCegarLoop]: === Iteration 152 === [ULTIMATE.startErr0AssertViolationASSERT]=== [2018-07-23 13:38:23,423 INFO L82 PathProgramCache]: Analyzing trace with hash -1651502712, now seen corresponding path program 151 times [2018-07-23 13:38:23,423 INFO L69 tionRefinementEngine]: Using refinement strategy FixedRefinementStrategy [2018-07-23 13:38:23,494 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-07-23 13:38:23,969 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 13:38:23,970 INFO L309 seRefinementStrategy]: Constructing automaton from 0 perfect and 1 imperfect interpolant sequences. [2018-07-23 13:38:23,970 INFO L324 seRefinementStrategy]: Number of different interpolants: perfect sequences [] imperfect sequences [153] total 153 [2018-07-23 13:38:23,970 INFO L142 lantAutomatonBuilder]: Constructing canonical interpolant automaton, with selfloop in false state [2018-07-23 13:38:23,970 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2018-07-23 13:38:23,970 INFO L185 omatonBuilderFactory]: Interpolants [60712#true, 60713#false, 60714#(<= ULTIMATE.start_main_~i~4 0), 60715#(<= ULTIMATE.start_main_~i~4 2), 60716#(<= ULTIMATE.start_main_~i~4 4), 60717#(<= ULTIMATE.start_main_~i~4 6), 60718#(<= ULTIMATE.start_main_~i~4 8), 60719#(<= ULTIMATE.start_main_~i~4 10), 60720#(<= ULTIMATE.start_main_~i~4 12), 60721#(<= ULTIMATE.start_main_~i~4 14), 60722#(<= ULTIMATE.start_main_~i~4 16), 60723#(<= ULTIMATE.start_main_~i~4 18), 60724#(<= ULTIMATE.start_main_~i~4 20), 60725#(<= ULTIMATE.start_main_~i~4 22), 60726#(<= ULTIMATE.start_main_~i~4 24), 60727#(<= ULTIMATE.start_main_~i~4 26), 60728#(<= ULTIMATE.start_main_~i~4 28), 60729#(<= ULTIMATE.start_main_~i~4 30), 60730#(<= ULTIMATE.start_main_~i~4 32), 60731#(<= ULTIMATE.start_main_~i~4 34), 60732#(<= ULTIMATE.start_main_~i~4 36), 60733#(<= ULTIMATE.start_main_~i~4 38), 60734#(<= ULTIMATE.start_main_~i~4 40), 60735#(<= ULTIMATE.start_main_~i~4 42), 60736#(<= ULTIMATE.start_main_~i~4 44), 60737#(<= ULTIMATE.start_main_~i~4 46), 60738#(<= ULTIMATE.start_main_~i~4 48), 60739#(<= ULTIMATE.start_main_~i~4 50), 60740#(<= ULTIMATE.start_main_~i~4 52), 60741#(<= ULTIMATE.start_main_~i~4 54), 60742#(<= ULTIMATE.start_main_~i~4 56), 60743#(<= ULTIMATE.start_main_~i~4 58), 60744#(<= ULTIMATE.start_main_~i~4 60), 60745#(<= ULTIMATE.start_main_~i~4 62), 60746#(<= ULTIMATE.start_main_~i~4 64), 60747#(<= ULTIMATE.start_main_~i~4 66), 60748#(<= ULTIMATE.start_main_~i~4 68), 60749#(<= ULTIMATE.start_main_~i~4 70), 60750#(<= ULTIMATE.start_main_~i~4 72), 60751#(<= ULTIMATE.start_main_~i~4 74), 60752#(<= ULTIMATE.start_main_~i~4 76), 60753#(<= ULTIMATE.start_main_~i~4 78), 60754#(<= ULTIMATE.start_main_~i~4 80), 60755#(<= ULTIMATE.start_main_~i~4 82), 60756#(<= ULTIMATE.start_main_~i~4 84), 60757#(<= ULTIMATE.start_main_~i~4 86), 60758#(<= ULTIMATE.start_main_~i~4 88), 60759#(<= ULTIMATE.start_main_~i~4 90), 60760#(<= ULTIMATE.start_main_~i~4 92), 60761#(<= ULTIMATE.start_main_~i~4 94), 60762#(<= ULTIMATE.start_main_~i~4 96), 60763#(<= ULTIMATE.start_main_~i~4 98), 60764#(<= ULTIMATE.start_main_~i~4 100), 60765#(<= ULTIMATE.start_main_~i~4 102), 60766#(<= ULTIMATE.start_main_~i~4 104), 60767#(<= ULTIMATE.start_main_~i~4 106), 60768#(<= ULTIMATE.start_main_~i~4 108), 60769#(<= ULTIMATE.start_main_~i~4 110), 60770#(<= ULTIMATE.start_main_~i~4 112), 60771#(<= ULTIMATE.start_main_~i~4 114), 60772#(<= ULTIMATE.start_main_~i~4 116), 60773#(<= ULTIMATE.start_main_~i~4 118), 60774#(<= ULTIMATE.start_main_~i~4 120), 60775#(<= ULTIMATE.start_main_~i~4 122), 60776#(<= ULTIMATE.start_main_~i~4 124), 60777#(<= ULTIMATE.start_main_~i~4 126), 60778#(<= ULTIMATE.start_main_~i~4 128), 60779#(<= ULTIMATE.start_main_~i~4 130), 60780#(<= ULTIMATE.start_main_~i~4 132), 60781#(<= ULTIMATE.start_main_~i~4 134), 60782#(<= ULTIMATE.start_main_~i~4 136), 60783#(<= ULTIMATE.start_main_~i~4 138), 60784#(<= ULTIMATE.start_main_~i~4 140), 60785#(<= ULTIMATE.start_main_~i~4 142), 60786#(<= ULTIMATE.start_main_~i~4 144), 60787#(<= ULTIMATE.start_main_~i~4 146), 60788#(<= ULTIMATE.start_main_~i~4 148), 60789#(<= ULTIMATE.start_main_~i~4 150), 60790#(<= ULTIMATE.start_main_~i~4 152), 60791#(<= ULTIMATE.start_main_~i~4 154), 60792#(<= ULTIMATE.start_main_~i~4 156), 60793#(<= ULTIMATE.start_main_~i~4 158), 60794#(<= ULTIMATE.start_main_~i~4 160), 60795#(<= ULTIMATE.start_main_~i~4 162), 60796#(<= ULTIMATE.start_main_~i~4 164), 60797#(<= ULTIMATE.start_main_~i~4 166), 60798#(<= ULTIMATE.start_main_~i~4 168), 60799#(<= ULTIMATE.start_main_~i~4 170), 60800#(<= ULTIMATE.start_main_~i~4 172), 60801#(<= ULTIMATE.start_main_~i~4 174), 60802#(<= ULTIMATE.start_main_~i~4 176), 60803#(<= ULTIMATE.start_main_~i~4 178), 60804#(<= ULTIMATE.start_main_~i~4 180), 60805#(<= ULTIMATE.start_main_~i~4 182), 60806#(<= ULTIMATE.start_main_~i~4 184), 60807#(<= ULTIMATE.start_main_~i~4 186), 60808#(<= ULTIMATE.start_main_~i~4 188), 60809#(<= ULTIMATE.start_main_~i~4 190), 60810#(<= ULTIMATE.start_main_~i~4 192), 60811#(<= ULTIMATE.start_main_~i~4 194), 60812#(<= ULTIMATE.start_main_~i~4 196), 60813#(<= ULTIMATE.start_main_~i~4 198), 60814#(<= ULTIMATE.start_main_~i~4 200), 60815#(<= ULTIMATE.start_main_~i~4 202), 60816#(<= ULTIMATE.start_main_~i~4 204), 60817#(<= ULTIMATE.start_main_~i~4 206), 60818#(<= ULTIMATE.start_main_~i~4 208), 60819#(<= ULTIMATE.start_main_~i~4 210), 60820#(<= ULTIMATE.start_main_~i~4 212), 60821#(<= ULTIMATE.start_main_~i~4 214), 60822#(<= ULTIMATE.start_main_~i~4 216), 60823#(<= ULTIMATE.start_main_~i~4 218), 60824#(<= ULTIMATE.start_main_~i~4 220), 60825#(<= ULTIMATE.start_main_~i~4 222), 60826#(<= ULTIMATE.start_main_~i~4 224), 60827#(<= ULTIMATE.start_main_~i~4 226), 60828#(<= ULTIMATE.start_main_~i~4 228), 60829#(<= ULTIMATE.start_main_~i~4 230), 60830#(<= ULTIMATE.start_main_~i~4 232), 60831#(<= ULTIMATE.start_main_~i~4 234), 60832#(<= ULTIMATE.start_main_~i~4 236), 60833#(<= ULTIMATE.start_main_~i~4 238), 60834#(<= ULTIMATE.start_main_~i~4 240), 60835#(<= ULTIMATE.start_main_~i~4 242), 60836#(<= ULTIMATE.start_main_~i~4 244), 60837#(<= ULTIMATE.start_main_~i~4 246), 60838#(<= ULTIMATE.start_main_~i~4 248), 60839#(<= ULTIMATE.start_main_~i~4 250), 60840#(<= ULTIMATE.start_main_~i~4 252), 60841#(<= ULTIMATE.start_main_~i~4 254), 60842#(<= ULTIMATE.start_main_~i~4 256), 60843#(<= ULTIMATE.start_main_~i~4 258), 60844#(<= ULTIMATE.start_main_~i~4 260), 60845#(<= ULTIMATE.start_main_~i~4 262), 60846#(<= ULTIMATE.start_main_~i~4 264), 60847#(<= ULTIMATE.start_main_~i~4 266), 60848#(<= ULTIMATE.start_main_~i~4 268), 60849#(<= ULTIMATE.start_main_~i~4 270), 60850#(<= ULTIMATE.start_main_~i~4 272), 60851#(<= ULTIMATE.start_main_~i~4 274), 60852#(<= ULTIMATE.start_main_~i~4 276), 60853#(<= ULTIMATE.start_main_~i~4 278), 60854#(<= ULTIMATE.start_main_~i~4 280), 60855#(<= ULTIMATE.start_main_~i~4 282), 60856#(<= ULTIMATE.start_main_~i~4 284), 60857#(<= ULTIMATE.start_main_~i~4 286), 60858#(<= ULTIMATE.start_main_~i~4 288), 60859#(<= ULTIMATE.start_main_~i~4 290), 60860#(<= ULTIMATE.start_main_~i~4 292), 60861#(<= ULTIMATE.start_main_~i~4 294), 60862#(<= ULTIMATE.start_main_~i~4 296), 60863#(<= ULTIMATE.start_main_~i~4 298), 60864#(<= ULTIMATE.start_main_~i~4 300), 60865#(<= ULTIMATE.start_main_~i~4 302)] [2018-07-23 13:38:23,971 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 13:38:23,971 INFO L450 AbstractCegarLoop]: Interpolant automaton has 154 states [2018-07-23 13:38:23,972 INFO L132 InterpolantAutomaton]: Constructing interpolant automaton starting with 154 interpolants. [2018-07-23 13:38:23,973 INFO L133 InterpolantAutomaton]: CoverageRelationStatistics Valid=11781, Invalid=11781, Unknown=0, NotChecked=0, Total=23562 [2018-07-23 13:38:23,973 INFO L87 Difference]: Start difference. First operand 155 states and 155 transitions. Second operand 154 states. [2018-07-23 13:38:24,320 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2018-07-23 13:38:24,320 INFO L93 Difference]: Finished difference Result 158 states and 158 transitions. [2018-07-23 13:38:24,320 INFO L142 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 154 states. [2018-07-23 13:38:24,320 INFO L78 Accepts]: Start accepts. Automaton has 154 states. Word has length 154 [2018-07-23 13:38:24,320 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2018-07-23 13:38:24,320 INFO L225 Difference]: With dead ends: 158 [2018-07-23 13:38:24,321 INFO L226 Difference]: Without dead ends: 156 [2018-07-23 13:38:24,322 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 13:38:24,322 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 156 states. [2018-07-23 13:38:24,323 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 156 to 156. [2018-07-23 13:38:24,323 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 156 states. [2018-07-23 13:38:24,323 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 156 states to 156 states and 156 transitions. [2018-07-23 13:38:24,324 INFO L78 Accepts]: Start accepts. Automaton has 156 states and 156 transitions. Word has length 154 [2018-07-23 13:38:24,324 INFO L84 Accepts]: Finished accepts. word is rejected. [2018-07-23 13:38:24,324 INFO L471 AbstractCegarLoop]: Abstraction has 156 states and 156 transitions. [2018-07-23 13:38:24,324 INFO L472 AbstractCegarLoop]: Interpolant automaton has 154 states. [2018-07-23 13:38:24,324 INFO L276 IsEmpty]: Start isEmpty. Operand 156 states and 156 transitions. [2018-07-23 13:38:24,324 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 156 [2018-07-23 13:38:24,324 INFO L349 BasicCegarLoop]: Found error trace [2018-07-23 13:38:24,324 INFO L357 BasicCegarLoop]: trace histogram [152, 1, 1, 1] [2018-07-23 13:38:24,324 INFO L414 AbstractCegarLoop]: === Iteration 153 === [ULTIMATE.startErr0AssertViolationASSERT]=== [2018-07-23 13:38:24,325 INFO L82 PathProgramCache]: Analyzing trace with hash 343021505, now seen corresponding path program 152 times [2018-07-23 13:38:24,325 INFO L69 tionRefinementEngine]: Using refinement strategy FixedRefinementStrategy [2018-07-23 13:38:24,397 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-07-23 13:38:24,887 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 13:38:24,887 INFO L309 seRefinementStrategy]: Constructing automaton from 0 perfect and 1 imperfect interpolant sequences. [2018-07-23 13:38:24,887 INFO L324 seRefinementStrategy]: Number of different interpolants: perfect sequences [] imperfect sequences [154] total 154 [2018-07-23 13:38:24,887 INFO L142 lantAutomatonBuilder]: Constructing canonical interpolant automaton, with selfloop in false state [2018-07-23 13:38:24,888 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 13:38:24,888 INFO L185 omatonBuilderFactory]: Interpolants [61494#true, 61495#false, 61496#(<= ULTIMATE.start_main_~i~4 0), 61497#(<= ULTIMATE.start_main_~i~4 2), 61498#(<= ULTIMATE.start_main_~i~4 4), 61499#(<= ULTIMATE.start_main_~i~4 6), 61500#(<= ULTIMATE.start_main_~i~4 8), 61501#(<= ULTIMATE.start_main_~i~4 10), 61502#(<= ULTIMATE.start_main_~i~4 12), 61503#(<= ULTIMATE.start_main_~i~4 14), 61504#(<= ULTIMATE.start_main_~i~4 16), 61505#(<= ULTIMATE.start_main_~i~4 18), 61506#(<= ULTIMATE.start_main_~i~4 20), 61507#(<= ULTIMATE.start_main_~i~4 22), 61508#(<= ULTIMATE.start_main_~i~4 24), 61509#(<= ULTIMATE.start_main_~i~4 26), 61510#(<= ULTIMATE.start_main_~i~4 28), 61511#(<= ULTIMATE.start_main_~i~4 30), 61512#(<= ULTIMATE.start_main_~i~4 32), 61513#(<= ULTIMATE.start_main_~i~4 34), 61514#(<= ULTIMATE.start_main_~i~4 36), 61515#(<= ULTIMATE.start_main_~i~4 38), 61516#(<= ULTIMATE.start_main_~i~4 40), 61517#(<= ULTIMATE.start_main_~i~4 42), 61518#(<= ULTIMATE.start_main_~i~4 44), 61519#(<= ULTIMATE.start_main_~i~4 46), 61520#(<= ULTIMATE.start_main_~i~4 48), 61521#(<= ULTIMATE.start_main_~i~4 50), 61522#(<= ULTIMATE.start_main_~i~4 52), 61523#(<= ULTIMATE.start_main_~i~4 54), 61524#(<= ULTIMATE.start_main_~i~4 56), 61525#(<= ULTIMATE.start_main_~i~4 58), 61526#(<= ULTIMATE.start_main_~i~4 60), 61527#(<= ULTIMATE.start_main_~i~4 62), 61528#(<= ULTIMATE.start_main_~i~4 64), 61529#(<= ULTIMATE.start_main_~i~4 66), 61530#(<= ULTIMATE.start_main_~i~4 68), 61531#(<= ULTIMATE.start_main_~i~4 70), 61532#(<= ULTIMATE.start_main_~i~4 72), 61533#(<= ULTIMATE.start_main_~i~4 74), 61534#(<= ULTIMATE.start_main_~i~4 76), 61535#(<= ULTIMATE.start_main_~i~4 78), 61536#(<= ULTIMATE.start_main_~i~4 80), 61537#(<= ULTIMATE.start_main_~i~4 82), 61538#(<= ULTIMATE.start_main_~i~4 84), 61539#(<= ULTIMATE.start_main_~i~4 86), 61540#(<= ULTIMATE.start_main_~i~4 88), 61541#(<= ULTIMATE.start_main_~i~4 90), 61542#(<= ULTIMATE.start_main_~i~4 92), 61543#(<= ULTIMATE.start_main_~i~4 94), 61544#(<= ULTIMATE.start_main_~i~4 96), 61545#(<= ULTIMATE.start_main_~i~4 98), 61546#(<= ULTIMATE.start_main_~i~4 100), 61547#(<= ULTIMATE.start_main_~i~4 102), 61548#(<= ULTIMATE.start_main_~i~4 104), 61549#(<= ULTIMATE.start_main_~i~4 106), 61550#(<= ULTIMATE.start_main_~i~4 108), 61551#(<= ULTIMATE.start_main_~i~4 110), 61552#(<= ULTIMATE.start_main_~i~4 112), 61553#(<= ULTIMATE.start_main_~i~4 114), 61554#(<= ULTIMATE.start_main_~i~4 116), 61555#(<= ULTIMATE.start_main_~i~4 118), 61556#(<= ULTIMATE.start_main_~i~4 120), 61557#(<= ULTIMATE.start_main_~i~4 122), 61558#(<= ULTIMATE.start_main_~i~4 124), 61559#(<= ULTIMATE.start_main_~i~4 126), 61560#(<= ULTIMATE.start_main_~i~4 128), 61561#(<= ULTIMATE.start_main_~i~4 130), 61562#(<= ULTIMATE.start_main_~i~4 132), 61563#(<= ULTIMATE.start_main_~i~4 134), 61564#(<= ULTIMATE.start_main_~i~4 136), 61565#(<= ULTIMATE.start_main_~i~4 138), 61566#(<= ULTIMATE.start_main_~i~4 140), 61567#(<= ULTIMATE.start_main_~i~4 142), 61568#(<= ULTIMATE.start_main_~i~4 144), 61569#(<= ULTIMATE.start_main_~i~4 146), 61570#(<= ULTIMATE.start_main_~i~4 148), 61571#(<= ULTIMATE.start_main_~i~4 150), 61572#(<= ULTIMATE.start_main_~i~4 152), 61573#(<= ULTIMATE.start_main_~i~4 154), 61574#(<= ULTIMATE.start_main_~i~4 156), 61575#(<= ULTIMATE.start_main_~i~4 158), 61576#(<= ULTIMATE.start_main_~i~4 160), 61577#(<= ULTIMATE.start_main_~i~4 162), 61578#(<= ULTIMATE.start_main_~i~4 164), 61579#(<= ULTIMATE.start_main_~i~4 166), 61580#(<= ULTIMATE.start_main_~i~4 168), 61581#(<= ULTIMATE.start_main_~i~4 170), 61582#(<= ULTIMATE.start_main_~i~4 172), 61583#(<= ULTIMATE.start_main_~i~4 174), 61584#(<= ULTIMATE.start_main_~i~4 176), 61585#(<= ULTIMATE.start_main_~i~4 178), 61586#(<= ULTIMATE.start_main_~i~4 180), 61587#(<= ULTIMATE.start_main_~i~4 182), 61588#(<= ULTIMATE.start_main_~i~4 184), 61589#(<= ULTIMATE.start_main_~i~4 186), 61590#(<= ULTIMATE.start_main_~i~4 188), 61591#(<= ULTIMATE.start_main_~i~4 190), 61592#(<= ULTIMATE.start_main_~i~4 192), 61593#(<= ULTIMATE.start_main_~i~4 194), 61594#(<= ULTIMATE.start_main_~i~4 196), 61595#(<= ULTIMATE.start_main_~i~4 198), 61596#(<= ULTIMATE.start_main_~i~4 200), 61597#(<= ULTIMATE.start_main_~i~4 202), 61598#(<= ULTIMATE.start_main_~i~4 204), 61599#(<= ULTIMATE.start_main_~i~4 206), 61600#(<= ULTIMATE.start_main_~i~4 208), 61601#(<= ULTIMATE.start_main_~i~4 210), 61602#(<= ULTIMATE.start_main_~i~4 212), 61603#(<= ULTIMATE.start_main_~i~4 214), 61604#(<= ULTIMATE.start_main_~i~4 216), 61605#(<= ULTIMATE.start_main_~i~4 218), 61606#(<= ULTIMATE.start_main_~i~4 220), 61607#(<= ULTIMATE.start_main_~i~4 222), 61608#(<= ULTIMATE.start_main_~i~4 224), 61609#(<= ULTIMATE.start_main_~i~4 226), 61610#(<= ULTIMATE.start_main_~i~4 228), 61611#(<= ULTIMATE.start_main_~i~4 230), 61612#(<= ULTIMATE.start_main_~i~4 232), 61613#(<= ULTIMATE.start_main_~i~4 234), 61614#(<= ULTIMATE.start_main_~i~4 236), 61615#(<= ULTIMATE.start_main_~i~4 238), 61616#(<= ULTIMATE.start_main_~i~4 240), 61617#(<= ULTIMATE.start_main_~i~4 242), 61618#(<= ULTIMATE.start_main_~i~4 244), 61619#(<= ULTIMATE.start_main_~i~4 246), 61620#(<= ULTIMATE.start_main_~i~4 248), 61621#(<= ULTIMATE.start_main_~i~4 250), 61622#(<= ULTIMATE.start_main_~i~4 252), 61623#(<= ULTIMATE.start_main_~i~4 254), 61624#(<= ULTIMATE.start_main_~i~4 256), 61625#(<= ULTIMATE.start_main_~i~4 258), 61626#(<= ULTIMATE.start_main_~i~4 260), 61627#(<= ULTIMATE.start_main_~i~4 262), 61628#(<= ULTIMATE.start_main_~i~4 264), 61629#(<= ULTIMATE.start_main_~i~4 266), 61630#(<= ULTIMATE.start_main_~i~4 268), 61631#(<= ULTIMATE.start_main_~i~4 270), 61632#(<= ULTIMATE.start_main_~i~4 272), 61633#(<= ULTIMATE.start_main_~i~4 274), 61634#(<= ULTIMATE.start_main_~i~4 276), 61635#(<= ULTIMATE.start_main_~i~4 278), 61636#(<= ULTIMATE.start_main_~i~4 280), 61637#(<= ULTIMATE.start_main_~i~4 282), 61638#(<= ULTIMATE.start_main_~i~4 284), 61639#(<= ULTIMATE.start_main_~i~4 286), 61640#(<= ULTIMATE.start_main_~i~4 288), 61641#(<= ULTIMATE.start_main_~i~4 290), 61642#(<= ULTIMATE.start_main_~i~4 292), 61643#(<= ULTIMATE.start_main_~i~4 294), 61644#(<= ULTIMATE.start_main_~i~4 296), 61645#(<= ULTIMATE.start_main_~i~4 298), 61646#(<= ULTIMATE.start_main_~i~4 300), 61647#(<= ULTIMATE.start_main_~i~4 302), 61648#(<= ULTIMATE.start_main_~i~4 304)] [2018-07-23 13:38:24,888 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 13:38:24,889 INFO L450 AbstractCegarLoop]: Interpolant automaton has 155 states [2018-07-23 13:38:24,890 INFO L132 InterpolantAutomaton]: Constructing interpolant automaton starting with 155 interpolants. [2018-07-23 13:38:24,891 INFO L133 InterpolantAutomaton]: CoverageRelationStatistics Valid=11935, Invalid=11935, Unknown=0, NotChecked=0, Total=23870 [2018-07-23 13:38:24,891 INFO L87 Difference]: Start difference. First operand 156 states and 156 transitions. Second operand 155 states. [2018-07-23 13:38:25,238 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2018-07-23 13:38:25,238 INFO L93 Difference]: Finished difference Result 159 states and 159 transitions. [2018-07-23 13:38:25,238 INFO L142 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 155 states. [2018-07-23 13:38:25,238 INFO L78 Accepts]: Start accepts. Automaton has 155 states. Word has length 155 [2018-07-23 13:38:25,238 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2018-07-23 13:38:25,239 INFO L225 Difference]: With dead ends: 159 [2018-07-23 13:38:25,239 INFO L226 Difference]: Without dead ends: 157 [2018-07-23 13:38:25,240 INFO L575 BasicCegarLoop]: 0 DeclaredPredicates, 154 GetRequests, 1 SyntacticMatches, 0 SemanticMatches, 153 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 0 ImplicationChecksByTransitivity, 0.4s TimeCoverageRelationStatistics Valid=11935, Invalid=11935, Unknown=0, NotChecked=0, Total=23870 [2018-07-23 13:38:25,240 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 157 states. [2018-07-23 13:38:25,242 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 157 to 157. [2018-07-23 13:38:25,242 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 157 states. [2018-07-23 13:38:25,243 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 157 states to 157 states and 157 transitions. [2018-07-23 13:38:25,243 INFO L78 Accepts]: Start accepts. Automaton has 157 states and 157 transitions. Word has length 155 [2018-07-23 13:38:25,243 INFO L84 Accepts]: Finished accepts. word is rejected. [2018-07-23 13:38:25,243 INFO L471 AbstractCegarLoop]: Abstraction has 157 states and 157 transitions. [2018-07-23 13:38:25,243 INFO L472 AbstractCegarLoop]: Interpolant automaton has 155 states. [2018-07-23 13:38:25,243 INFO L276 IsEmpty]: Start isEmpty. Operand 157 states and 157 transitions. [2018-07-23 13:38:25,244 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 157 [2018-07-23 13:38:25,244 INFO L349 BasicCegarLoop]: Found error trace [2018-07-23 13:38:25,244 INFO L357 BasicCegarLoop]: trace histogram [153, 1, 1, 1] [2018-07-23 13:38:25,244 INFO L414 AbstractCegarLoop]: === Iteration 154 === [ULTIMATE.startErr0AssertViolationASSERT]=== [2018-07-23 13:38:25,244 INFO L82 PathProgramCache]: Analyzing trace with hash 2043730088, now seen corresponding path program 153 times [2018-07-23 13:38:25,244 INFO L69 tionRefinementEngine]: Using refinement strategy FixedRefinementStrategy [2018-07-23 13:38:25,329 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-07-23 13:38:25,868 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 13:38:25,869 INFO L309 seRefinementStrategy]: Constructing automaton from 0 perfect and 1 imperfect interpolant sequences. [2018-07-23 13:38:25,869 INFO L324 seRefinementStrategy]: Number of different interpolants: perfect sequences [] imperfect sequences [155] total 155 [2018-07-23 13:38:25,869 INFO L142 lantAutomatonBuilder]: Constructing canonical interpolant automaton, with selfloop in false state [2018-07-23 13:38:25,869 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2018-07-23 13:38:25,870 INFO L185 omatonBuilderFactory]: Interpolants [62281#true, 62282#false, 62283#(<= ULTIMATE.start_main_~i~4 0), 62284#(<= ULTIMATE.start_main_~i~4 2), 62285#(<= ULTIMATE.start_main_~i~4 4), 62286#(<= ULTIMATE.start_main_~i~4 6), 62287#(<= ULTIMATE.start_main_~i~4 8), 62288#(<= ULTIMATE.start_main_~i~4 10), 62289#(<= ULTIMATE.start_main_~i~4 12), 62290#(<= ULTIMATE.start_main_~i~4 14), 62291#(<= ULTIMATE.start_main_~i~4 16), 62292#(<= ULTIMATE.start_main_~i~4 18), 62293#(<= ULTIMATE.start_main_~i~4 20), 62294#(<= ULTIMATE.start_main_~i~4 22), 62295#(<= ULTIMATE.start_main_~i~4 24), 62296#(<= ULTIMATE.start_main_~i~4 26), 62297#(<= ULTIMATE.start_main_~i~4 28), 62298#(<= ULTIMATE.start_main_~i~4 30), 62299#(<= ULTIMATE.start_main_~i~4 32), 62300#(<= ULTIMATE.start_main_~i~4 34), 62301#(<= ULTIMATE.start_main_~i~4 36), 62302#(<= ULTIMATE.start_main_~i~4 38), 62303#(<= ULTIMATE.start_main_~i~4 40), 62304#(<= ULTIMATE.start_main_~i~4 42), 62305#(<= ULTIMATE.start_main_~i~4 44), 62306#(<= ULTIMATE.start_main_~i~4 46), 62307#(<= ULTIMATE.start_main_~i~4 48), 62308#(<= ULTIMATE.start_main_~i~4 50), 62309#(<= ULTIMATE.start_main_~i~4 52), 62310#(<= ULTIMATE.start_main_~i~4 54), 62311#(<= ULTIMATE.start_main_~i~4 56), 62312#(<= ULTIMATE.start_main_~i~4 58), 62313#(<= ULTIMATE.start_main_~i~4 60), 62314#(<= ULTIMATE.start_main_~i~4 62), 62315#(<= ULTIMATE.start_main_~i~4 64), 62316#(<= ULTIMATE.start_main_~i~4 66), 62317#(<= ULTIMATE.start_main_~i~4 68), 62318#(<= ULTIMATE.start_main_~i~4 70), 62319#(<= ULTIMATE.start_main_~i~4 72), 62320#(<= ULTIMATE.start_main_~i~4 74), 62321#(<= ULTIMATE.start_main_~i~4 76), 62322#(<= ULTIMATE.start_main_~i~4 78), 62323#(<= ULTIMATE.start_main_~i~4 80), 62324#(<= ULTIMATE.start_main_~i~4 82), 62325#(<= ULTIMATE.start_main_~i~4 84), 62326#(<= ULTIMATE.start_main_~i~4 86), 62327#(<= ULTIMATE.start_main_~i~4 88), 62328#(<= ULTIMATE.start_main_~i~4 90), 62329#(<= ULTIMATE.start_main_~i~4 92), 62330#(<= ULTIMATE.start_main_~i~4 94), 62331#(<= ULTIMATE.start_main_~i~4 96), 62332#(<= ULTIMATE.start_main_~i~4 98), 62333#(<= ULTIMATE.start_main_~i~4 100), 62334#(<= ULTIMATE.start_main_~i~4 102), 62335#(<= ULTIMATE.start_main_~i~4 104), 62336#(<= ULTIMATE.start_main_~i~4 106), 62337#(<= ULTIMATE.start_main_~i~4 108), 62338#(<= ULTIMATE.start_main_~i~4 110), 62339#(<= ULTIMATE.start_main_~i~4 112), 62340#(<= ULTIMATE.start_main_~i~4 114), 62341#(<= ULTIMATE.start_main_~i~4 116), 62342#(<= ULTIMATE.start_main_~i~4 118), 62343#(<= ULTIMATE.start_main_~i~4 120), 62344#(<= ULTIMATE.start_main_~i~4 122), 62345#(<= ULTIMATE.start_main_~i~4 124), 62346#(<= ULTIMATE.start_main_~i~4 126), 62347#(<= ULTIMATE.start_main_~i~4 128), 62348#(<= ULTIMATE.start_main_~i~4 130), 62349#(<= ULTIMATE.start_main_~i~4 132), 62350#(<= ULTIMATE.start_main_~i~4 134), 62351#(<= ULTIMATE.start_main_~i~4 136), 62352#(<= ULTIMATE.start_main_~i~4 138), 62353#(<= ULTIMATE.start_main_~i~4 140), 62354#(<= ULTIMATE.start_main_~i~4 142), 62355#(<= ULTIMATE.start_main_~i~4 144), 62356#(<= ULTIMATE.start_main_~i~4 146), 62357#(<= ULTIMATE.start_main_~i~4 148), 62358#(<= ULTIMATE.start_main_~i~4 150), 62359#(<= ULTIMATE.start_main_~i~4 152), 62360#(<= ULTIMATE.start_main_~i~4 154), 62361#(<= ULTIMATE.start_main_~i~4 156), 62362#(<= ULTIMATE.start_main_~i~4 158), 62363#(<= ULTIMATE.start_main_~i~4 160), 62364#(<= ULTIMATE.start_main_~i~4 162), 62365#(<= ULTIMATE.start_main_~i~4 164), 62366#(<= ULTIMATE.start_main_~i~4 166), 62367#(<= ULTIMATE.start_main_~i~4 168), 62368#(<= ULTIMATE.start_main_~i~4 170), 62369#(<= ULTIMATE.start_main_~i~4 172), 62370#(<= ULTIMATE.start_main_~i~4 174), 62371#(<= ULTIMATE.start_main_~i~4 176), 62372#(<= ULTIMATE.start_main_~i~4 178), 62373#(<= ULTIMATE.start_main_~i~4 180), 62374#(<= ULTIMATE.start_main_~i~4 182), 62375#(<= ULTIMATE.start_main_~i~4 184), 62376#(<= ULTIMATE.start_main_~i~4 186), 62377#(<= ULTIMATE.start_main_~i~4 188), 62378#(<= ULTIMATE.start_main_~i~4 190), 62379#(<= ULTIMATE.start_main_~i~4 192), 62380#(<= ULTIMATE.start_main_~i~4 194), 62381#(<= ULTIMATE.start_main_~i~4 196), 62382#(<= ULTIMATE.start_main_~i~4 198), 62383#(<= ULTIMATE.start_main_~i~4 200), 62384#(<= ULTIMATE.start_main_~i~4 202), 62385#(<= ULTIMATE.start_main_~i~4 204), 62386#(<= ULTIMATE.start_main_~i~4 206), 62387#(<= ULTIMATE.start_main_~i~4 208), 62388#(<= ULTIMATE.start_main_~i~4 210), 62389#(<= ULTIMATE.start_main_~i~4 212), 62390#(<= ULTIMATE.start_main_~i~4 214), 62391#(<= ULTIMATE.start_main_~i~4 216), 62392#(<= ULTIMATE.start_main_~i~4 218), 62393#(<= ULTIMATE.start_main_~i~4 220), 62394#(<= ULTIMATE.start_main_~i~4 222), 62395#(<= ULTIMATE.start_main_~i~4 224), 62396#(<= ULTIMATE.start_main_~i~4 226), 62397#(<= ULTIMATE.start_main_~i~4 228), 62398#(<= ULTIMATE.start_main_~i~4 230), 62399#(<= ULTIMATE.start_main_~i~4 232), 62400#(<= ULTIMATE.start_main_~i~4 234), 62401#(<= ULTIMATE.start_main_~i~4 236), 62402#(<= ULTIMATE.start_main_~i~4 238), 62403#(<= ULTIMATE.start_main_~i~4 240), 62404#(<= ULTIMATE.start_main_~i~4 242), 62405#(<= ULTIMATE.start_main_~i~4 244), 62406#(<= ULTIMATE.start_main_~i~4 246), 62407#(<= ULTIMATE.start_main_~i~4 248), 62408#(<= ULTIMATE.start_main_~i~4 250), 62409#(<= ULTIMATE.start_main_~i~4 252), 62410#(<= ULTIMATE.start_main_~i~4 254), 62411#(<= ULTIMATE.start_main_~i~4 256), 62412#(<= ULTIMATE.start_main_~i~4 258), 62413#(<= ULTIMATE.start_main_~i~4 260), 62414#(<= ULTIMATE.start_main_~i~4 262), 62415#(<= ULTIMATE.start_main_~i~4 264), 62416#(<= ULTIMATE.start_main_~i~4 266), 62417#(<= ULTIMATE.start_main_~i~4 268), 62418#(<= ULTIMATE.start_main_~i~4 270), 62419#(<= ULTIMATE.start_main_~i~4 272), 62420#(<= ULTIMATE.start_main_~i~4 274), 62421#(<= ULTIMATE.start_main_~i~4 276), 62422#(<= ULTIMATE.start_main_~i~4 278), 62423#(<= ULTIMATE.start_main_~i~4 280), 62424#(<= ULTIMATE.start_main_~i~4 282), 62425#(<= ULTIMATE.start_main_~i~4 284), 62426#(<= ULTIMATE.start_main_~i~4 286), 62427#(<= ULTIMATE.start_main_~i~4 288), 62428#(<= ULTIMATE.start_main_~i~4 290), 62429#(<= ULTIMATE.start_main_~i~4 292), 62430#(<= ULTIMATE.start_main_~i~4 294), 62431#(<= ULTIMATE.start_main_~i~4 296), 62432#(<= ULTIMATE.start_main_~i~4 298), 62433#(<= ULTIMATE.start_main_~i~4 300), 62434#(<= ULTIMATE.start_main_~i~4 302), 62435#(<= ULTIMATE.start_main_~i~4 304), 62436#(<= ULTIMATE.start_main_~i~4 306)] [2018-07-23 13:38:25,870 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 13:38:25,870 INFO L450 AbstractCegarLoop]: Interpolant automaton has 156 states [2018-07-23 13:38:25,872 INFO L132 InterpolantAutomaton]: Constructing interpolant automaton starting with 156 interpolants. [2018-07-23 13:38:25,873 INFO L133 InterpolantAutomaton]: CoverageRelationStatistics Valid=12090, Invalid=12090, Unknown=0, NotChecked=0, Total=24180 [2018-07-23 13:38:25,873 INFO L87 Difference]: Start difference. First operand 157 states and 157 transitions. Second operand 156 states. [2018-07-23 13:38:26,219 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2018-07-23 13:38:26,219 INFO L93 Difference]: Finished difference Result 160 states and 160 transitions. [2018-07-23 13:38:26,219 INFO L142 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 156 states. [2018-07-23 13:38:26,220 INFO L78 Accepts]: Start accepts. Automaton has 156 states. Word has length 156 [2018-07-23 13:38:26,220 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2018-07-23 13:38:26,220 INFO L225 Difference]: With dead ends: 160 [2018-07-23 13:38:26,220 INFO L226 Difference]: Without dead ends: 158 [2018-07-23 13:38:26,221 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 13:38:26,221 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 158 states. [2018-07-23 13:38:26,222 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 158 to 158. [2018-07-23 13:38:26,222 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 158 states. [2018-07-23 13:38:26,223 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 158 states to 158 states and 158 transitions. [2018-07-23 13:38:26,223 INFO L78 Accepts]: Start accepts. Automaton has 158 states and 158 transitions. Word has length 156 [2018-07-23 13:38:26,223 INFO L84 Accepts]: Finished accepts. word is rejected. [2018-07-23 13:38:26,223 INFO L471 AbstractCegarLoop]: Abstraction has 158 states and 158 transitions. [2018-07-23 13:38:26,223 INFO L472 AbstractCegarLoop]: Interpolant automaton has 156 states. [2018-07-23 13:38:26,223 INFO L276 IsEmpty]: Start isEmpty. Operand 158 states and 158 transitions. [2018-07-23 13:38:26,223 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 158 [2018-07-23 13:38:26,224 INFO L349 BasicCegarLoop]: Found error trace [2018-07-23 13:38:26,224 INFO L357 BasicCegarLoop]: trace histogram [154, 1, 1, 1] [2018-07-23 13:38:26,224 INFO L414 AbstractCegarLoop]: === Iteration 155 === [ULTIMATE.startErr0AssertViolationASSERT]=== [2018-07-23 13:38:26,224 INFO L82 PathProgramCache]: Analyzing trace with hash -1068878687, now seen corresponding path program 154 times [2018-07-23 13:38:26,224 INFO L69 tionRefinementEngine]: Using refinement strategy FixedRefinementStrategy [2018-07-23 13:38:26,336 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-07-23 13:38:26,849 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 13:38:26,849 INFO L309 seRefinementStrategy]: Constructing automaton from 0 perfect and 1 imperfect interpolant sequences. [2018-07-23 13:38:26,849 INFO L324 seRefinementStrategy]: Number of different interpolants: perfect sequences [] imperfect sequences [156] total 156 [2018-07-23 13:38:26,849 INFO L142 lantAutomatonBuilder]: Constructing canonical interpolant automaton, with selfloop in false state [2018-07-23 13:38:26,850 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 13:38:26,850 INFO L185 omatonBuilderFactory]: Interpolants [63073#true, 63074#false, 63075#(<= ULTIMATE.start_main_~i~4 0), 63076#(<= ULTIMATE.start_main_~i~4 2), 63077#(<= ULTIMATE.start_main_~i~4 4), 63078#(<= ULTIMATE.start_main_~i~4 6), 63079#(<= ULTIMATE.start_main_~i~4 8), 63080#(<= ULTIMATE.start_main_~i~4 10), 63081#(<= ULTIMATE.start_main_~i~4 12), 63082#(<= ULTIMATE.start_main_~i~4 14), 63083#(<= ULTIMATE.start_main_~i~4 16), 63084#(<= ULTIMATE.start_main_~i~4 18), 63085#(<= ULTIMATE.start_main_~i~4 20), 63086#(<= ULTIMATE.start_main_~i~4 22), 63087#(<= ULTIMATE.start_main_~i~4 24), 63088#(<= ULTIMATE.start_main_~i~4 26), 63089#(<= ULTIMATE.start_main_~i~4 28), 63090#(<= ULTIMATE.start_main_~i~4 30), 63091#(<= ULTIMATE.start_main_~i~4 32), 63092#(<= ULTIMATE.start_main_~i~4 34), 63093#(<= ULTIMATE.start_main_~i~4 36), 63094#(<= ULTIMATE.start_main_~i~4 38), 63095#(<= ULTIMATE.start_main_~i~4 40), 63096#(<= ULTIMATE.start_main_~i~4 42), 63097#(<= ULTIMATE.start_main_~i~4 44), 63098#(<= ULTIMATE.start_main_~i~4 46), 63099#(<= ULTIMATE.start_main_~i~4 48), 63100#(<= ULTIMATE.start_main_~i~4 50), 63101#(<= ULTIMATE.start_main_~i~4 52), 63102#(<= ULTIMATE.start_main_~i~4 54), 63103#(<= ULTIMATE.start_main_~i~4 56), 63104#(<= ULTIMATE.start_main_~i~4 58), 63105#(<= ULTIMATE.start_main_~i~4 60), 63106#(<= ULTIMATE.start_main_~i~4 62), 63107#(<= ULTIMATE.start_main_~i~4 64), 63108#(<= ULTIMATE.start_main_~i~4 66), 63109#(<= ULTIMATE.start_main_~i~4 68), 63110#(<= ULTIMATE.start_main_~i~4 70), 63111#(<= ULTIMATE.start_main_~i~4 72), 63112#(<= ULTIMATE.start_main_~i~4 74), 63113#(<= ULTIMATE.start_main_~i~4 76), 63114#(<= ULTIMATE.start_main_~i~4 78), 63115#(<= ULTIMATE.start_main_~i~4 80), 63116#(<= ULTIMATE.start_main_~i~4 82), 63117#(<= ULTIMATE.start_main_~i~4 84), 63118#(<= ULTIMATE.start_main_~i~4 86), 63119#(<= ULTIMATE.start_main_~i~4 88), 63120#(<= ULTIMATE.start_main_~i~4 90), 63121#(<= ULTIMATE.start_main_~i~4 92), 63122#(<= ULTIMATE.start_main_~i~4 94), 63123#(<= ULTIMATE.start_main_~i~4 96), 63124#(<= ULTIMATE.start_main_~i~4 98), 63125#(<= ULTIMATE.start_main_~i~4 100), 63126#(<= ULTIMATE.start_main_~i~4 102), 63127#(<= ULTIMATE.start_main_~i~4 104), 63128#(<= ULTIMATE.start_main_~i~4 106), 63129#(<= ULTIMATE.start_main_~i~4 108), 63130#(<= ULTIMATE.start_main_~i~4 110), 63131#(<= ULTIMATE.start_main_~i~4 112), 63132#(<= ULTIMATE.start_main_~i~4 114), 63133#(<= ULTIMATE.start_main_~i~4 116), 63134#(<= ULTIMATE.start_main_~i~4 118), 63135#(<= ULTIMATE.start_main_~i~4 120), 63136#(<= ULTIMATE.start_main_~i~4 122), 63137#(<= ULTIMATE.start_main_~i~4 124), 63138#(<= ULTIMATE.start_main_~i~4 126), 63139#(<= ULTIMATE.start_main_~i~4 128), 63140#(<= ULTIMATE.start_main_~i~4 130), 63141#(<= ULTIMATE.start_main_~i~4 132), 63142#(<= ULTIMATE.start_main_~i~4 134), 63143#(<= ULTIMATE.start_main_~i~4 136), 63144#(<= ULTIMATE.start_main_~i~4 138), 63145#(<= ULTIMATE.start_main_~i~4 140), 63146#(<= ULTIMATE.start_main_~i~4 142), 63147#(<= ULTIMATE.start_main_~i~4 144), 63148#(<= ULTIMATE.start_main_~i~4 146), 63149#(<= ULTIMATE.start_main_~i~4 148), 63150#(<= ULTIMATE.start_main_~i~4 150), 63151#(<= ULTIMATE.start_main_~i~4 152), 63152#(<= ULTIMATE.start_main_~i~4 154), 63153#(<= ULTIMATE.start_main_~i~4 156), 63154#(<= ULTIMATE.start_main_~i~4 158), 63155#(<= ULTIMATE.start_main_~i~4 160), 63156#(<= ULTIMATE.start_main_~i~4 162), 63157#(<= ULTIMATE.start_main_~i~4 164), 63158#(<= ULTIMATE.start_main_~i~4 166), 63159#(<= ULTIMATE.start_main_~i~4 168), 63160#(<= ULTIMATE.start_main_~i~4 170), 63161#(<= ULTIMATE.start_main_~i~4 172), 63162#(<= ULTIMATE.start_main_~i~4 174), 63163#(<= ULTIMATE.start_main_~i~4 176), 63164#(<= ULTIMATE.start_main_~i~4 178), 63165#(<= ULTIMATE.start_main_~i~4 180), 63166#(<= ULTIMATE.start_main_~i~4 182), 63167#(<= ULTIMATE.start_main_~i~4 184), 63168#(<= ULTIMATE.start_main_~i~4 186), 63169#(<= ULTIMATE.start_main_~i~4 188), 63170#(<= ULTIMATE.start_main_~i~4 190), 63171#(<= ULTIMATE.start_main_~i~4 192), 63172#(<= ULTIMATE.start_main_~i~4 194), 63173#(<= ULTIMATE.start_main_~i~4 196), 63174#(<= ULTIMATE.start_main_~i~4 198), 63175#(<= ULTIMATE.start_main_~i~4 200), 63176#(<= ULTIMATE.start_main_~i~4 202), 63177#(<= ULTIMATE.start_main_~i~4 204), 63178#(<= ULTIMATE.start_main_~i~4 206), 63179#(<= ULTIMATE.start_main_~i~4 208), 63180#(<= ULTIMATE.start_main_~i~4 210), 63181#(<= ULTIMATE.start_main_~i~4 212), 63182#(<= ULTIMATE.start_main_~i~4 214), 63183#(<= ULTIMATE.start_main_~i~4 216), 63184#(<= ULTIMATE.start_main_~i~4 218), 63185#(<= ULTIMATE.start_main_~i~4 220), 63186#(<= ULTIMATE.start_main_~i~4 222), 63187#(<= ULTIMATE.start_main_~i~4 224), 63188#(<= ULTIMATE.start_main_~i~4 226), 63189#(<= ULTIMATE.start_main_~i~4 228), 63190#(<= ULTIMATE.start_main_~i~4 230), 63191#(<= ULTIMATE.start_main_~i~4 232), 63192#(<= ULTIMATE.start_main_~i~4 234), 63193#(<= ULTIMATE.start_main_~i~4 236), 63194#(<= ULTIMATE.start_main_~i~4 238), 63195#(<= ULTIMATE.start_main_~i~4 240), 63196#(<= ULTIMATE.start_main_~i~4 242), 63197#(<= ULTIMATE.start_main_~i~4 244), 63198#(<= ULTIMATE.start_main_~i~4 246), 63199#(<= ULTIMATE.start_main_~i~4 248), 63200#(<= ULTIMATE.start_main_~i~4 250), 63201#(<= ULTIMATE.start_main_~i~4 252), 63202#(<= ULTIMATE.start_main_~i~4 254), 63203#(<= ULTIMATE.start_main_~i~4 256), 63204#(<= ULTIMATE.start_main_~i~4 258), 63205#(<= ULTIMATE.start_main_~i~4 260), 63206#(<= ULTIMATE.start_main_~i~4 262), 63207#(<= ULTIMATE.start_main_~i~4 264), 63208#(<= ULTIMATE.start_main_~i~4 266), 63209#(<= ULTIMATE.start_main_~i~4 268), 63210#(<= ULTIMATE.start_main_~i~4 270), 63211#(<= ULTIMATE.start_main_~i~4 272), 63212#(<= ULTIMATE.start_main_~i~4 274), 63213#(<= ULTIMATE.start_main_~i~4 276), 63214#(<= ULTIMATE.start_main_~i~4 278), 63215#(<= ULTIMATE.start_main_~i~4 280), 63216#(<= ULTIMATE.start_main_~i~4 282), 63217#(<= ULTIMATE.start_main_~i~4 284), 63218#(<= ULTIMATE.start_main_~i~4 286), 63219#(<= ULTIMATE.start_main_~i~4 288), 63220#(<= ULTIMATE.start_main_~i~4 290), 63221#(<= ULTIMATE.start_main_~i~4 292), 63222#(<= ULTIMATE.start_main_~i~4 294), 63223#(<= ULTIMATE.start_main_~i~4 296), 63224#(<= ULTIMATE.start_main_~i~4 298), 63225#(<= ULTIMATE.start_main_~i~4 300), 63226#(<= ULTIMATE.start_main_~i~4 302), 63227#(<= ULTIMATE.start_main_~i~4 304), 63228#(<= ULTIMATE.start_main_~i~4 306), 63229#(<= ULTIMATE.start_main_~i~4 308)] [2018-07-23 13:38:26,851 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 13:38:26,851 INFO L450 AbstractCegarLoop]: Interpolant automaton has 157 states [2018-07-23 13:38:26,852 INFO L132 InterpolantAutomaton]: Constructing interpolant automaton starting with 157 interpolants. [2018-07-23 13:38:26,853 INFO L133 InterpolantAutomaton]: CoverageRelationStatistics Valid=12246, Invalid=12246, Unknown=0, NotChecked=0, Total=24492 [2018-07-23 13:38:26,853 INFO L87 Difference]: Start difference. First operand 158 states and 158 transitions. Second operand 157 states. [2018-07-23 13:38:27,214 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2018-07-23 13:38:27,215 INFO L93 Difference]: Finished difference Result 161 states and 161 transitions. [2018-07-23 13:38:27,215 INFO L142 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 157 states. [2018-07-23 13:38:27,215 INFO L78 Accepts]: Start accepts. Automaton has 157 states. Word has length 157 [2018-07-23 13:38:27,215 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2018-07-23 13:38:27,215 INFO L225 Difference]: With dead ends: 161 [2018-07-23 13:38:27,215 INFO L226 Difference]: Without dead ends: 159 [2018-07-23 13:38:27,216 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 13:38:27,216 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 159 states. [2018-07-23 13:38:27,218 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 159 to 159. [2018-07-23 13:38:27,218 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 159 states. [2018-07-23 13:38:27,218 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 159 states to 159 states and 159 transitions. [2018-07-23 13:38:27,219 INFO L78 Accepts]: Start accepts. Automaton has 159 states and 159 transitions. Word has length 157 [2018-07-23 13:38:27,219 INFO L84 Accepts]: Finished accepts. word is rejected. [2018-07-23 13:38:27,219 INFO L471 AbstractCegarLoop]: Abstraction has 159 states and 159 transitions. [2018-07-23 13:38:27,219 INFO L472 AbstractCegarLoop]: Interpolant automaton has 157 states. [2018-07-23 13:38:27,219 INFO L276 IsEmpty]: Start isEmpty. Operand 159 states and 159 transitions. [2018-07-23 13:38:27,220 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 159 [2018-07-23 13:38:27,220 INFO L349 BasicCegarLoop]: Found error trace [2018-07-23 13:38:27,220 INFO L357 BasicCegarLoop]: trace histogram [155, 1, 1, 1] [2018-07-23 13:38:27,220 INFO L414 AbstractCegarLoop]: === Iteration 156 === [ULTIMATE.startErr0AssertViolationASSERT]=== [2018-07-23 13:38:27,220 INFO L82 PathProgramCache]: Analyzing trace with hash 1224497096, now seen corresponding path program 155 times [2018-07-23 13:38:27,220 INFO L69 tionRefinementEngine]: Using refinement strategy FixedRefinementStrategy [2018-07-23 13:38:27,291 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-07-23 13:38:27,841 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 13:38:27,841 INFO L309 seRefinementStrategy]: Constructing automaton from 0 perfect and 1 imperfect interpolant sequences. [2018-07-23 13:38:27,841 INFO L324 seRefinementStrategy]: Number of different interpolants: perfect sequences [] imperfect sequences [157] total 157 [2018-07-23 13:38:27,841 INFO L142 lantAutomatonBuilder]: Constructing canonical interpolant automaton, with selfloop in false state [2018-07-23 13:38:27,841 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2018-07-23 13:38:27,842 INFO L185 omatonBuilderFactory]: Interpolants [64000#(<= ULTIMATE.start_main_~i~4 256), 64001#(<= ULTIMATE.start_main_~i~4 258), 64002#(<= ULTIMATE.start_main_~i~4 260), 64003#(<= ULTIMATE.start_main_~i~4 262), 64004#(<= ULTIMATE.start_main_~i~4 264), 64005#(<= ULTIMATE.start_main_~i~4 266), 64006#(<= ULTIMATE.start_main_~i~4 268), 64007#(<= ULTIMATE.start_main_~i~4 270), 64008#(<= ULTIMATE.start_main_~i~4 272), 64009#(<= ULTIMATE.start_main_~i~4 274), 64010#(<= ULTIMATE.start_main_~i~4 276), 64011#(<= ULTIMATE.start_main_~i~4 278), 64012#(<= ULTIMATE.start_main_~i~4 280), 64013#(<= ULTIMATE.start_main_~i~4 282), 64014#(<= ULTIMATE.start_main_~i~4 284), 64015#(<= ULTIMATE.start_main_~i~4 286), 64016#(<= ULTIMATE.start_main_~i~4 288), 64017#(<= ULTIMATE.start_main_~i~4 290), 64018#(<= ULTIMATE.start_main_~i~4 292), 64019#(<= ULTIMATE.start_main_~i~4 294), 64020#(<= ULTIMATE.start_main_~i~4 296), 64021#(<= ULTIMATE.start_main_~i~4 298), 64022#(<= ULTIMATE.start_main_~i~4 300), 64023#(<= ULTIMATE.start_main_~i~4 302), 64024#(<= ULTIMATE.start_main_~i~4 304), 64025#(<= ULTIMATE.start_main_~i~4 306), 64026#(<= ULTIMATE.start_main_~i~4 308), 64027#(<= ULTIMATE.start_main_~i~4 310), 63870#true, 63871#false, 63872#(<= ULTIMATE.start_main_~i~4 0), 63873#(<= ULTIMATE.start_main_~i~4 2), 63874#(<= ULTIMATE.start_main_~i~4 4), 63875#(<= ULTIMATE.start_main_~i~4 6), 63876#(<= ULTIMATE.start_main_~i~4 8), 63877#(<= ULTIMATE.start_main_~i~4 10), 63878#(<= ULTIMATE.start_main_~i~4 12), 63879#(<= ULTIMATE.start_main_~i~4 14), 63880#(<= ULTIMATE.start_main_~i~4 16), 63881#(<= ULTIMATE.start_main_~i~4 18), 63882#(<= ULTIMATE.start_main_~i~4 20), 63883#(<= ULTIMATE.start_main_~i~4 22), 63884#(<= ULTIMATE.start_main_~i~4 24), 63885#(<= ULTIMATE.start_main_~i~4 26), 63886#(<= ULTIMATE.start_main_~i~4 28), 63887#(<= ULTIMATE.start_main_~i~4 30), 63888#(<= ULTIMATE.start_main_~i~4 32), 63889#(<= ULTIMATE.start_main_~i~4 34), 63890#(<= ULTIMATE.start_main_~i~4 36), 63891#(<= ULTIMATE.start_main_~i~4 38), 63892#(<= ULTIMATE.start_main_~i~4 40), 63893#(<= ULTIMATE.start_main_~i~4 42), 63894#(<= ULTIMATE.start_main_~i~4 44), 63895#(<= ULTIMATE.start_main_~i~4 46), 63896#(<= ULTIMATE.start_main_~i~4 48), 63897#(<= ULTIMATE.start_main_~i~4 50), 63898#(<= ULTIMATE.start_main_~i~4 52), 63899#(<= ULTIMATE.start_main_~i~4 54), 63900#(<= ULTIMATE.start_main_~i~4 56), 63901#(<= ULTIMATE.start_main_~i~4 58), 63902#(<= ULTIMATE.start_main_~i~4 60), 63903#(<= ULTIMATE.start_main_~i~4 62), 63904#(<= ULTIMATE.start_main_~i~4 64), 63905#(<= ULTIMATE.start_main_~i~4 66), 63906#(<= ULTIMATE.start_main_~i~4 68), 63907#(<= ULTIMATE.start_main_~i~4 70), 63908#(<= ULTIMATE.start_main_~i~4 72), 63909#(<= ULTIMATE.start_main_~i~4 74), 63910#(<= ULTIMATE.start_main_~i~4 76), 63911#(<= ULTIMATE.start_main_~i~4 78), 63912#(<= ULTIMATE.start_main_~i~4 80), 63913#(<= ULTIMATE.start_main_~i~4 82), 63914#(<= ULTIMATE.start_main_~i~4 84), 63915#(<= ULTIMATE.start_main_~i~4 86), 63916#(<= ULTIMATE.start_main_~i~4 88), 63917#(<= ULTIMATE.start_main_~i~4 90), 63918#(<= ULTIMATE.start_main_~i~4 92), 63919#(<= ULTIMATE.start_main_~i~4 94), 63920#(<= ULTIMATE.start_main_~i~4 96), 63921#(<= ULTIMATE.start_main_~i~4 98), 63922#(<= ULTIMATE.start_main_~i~4 100), 63923#(<= ULTIMATE.start_main_~i~4 102), 63924#(<= ULTIMATE.start_main_~i~4 104), 63925#(<= ULTIMATE.start_main_~i~4 106), 63926#(<= ULTIMATE.start_main_~i~4 108), 63927#(<= ULTIMATE.start_main_~i~4 110), 63928#(<= ULTIMATE.start_main_~i~4 112), 63929#(<= ULTIMATE.start_main_~i~4 114), 63930#(<= ULTIMATE.start_main_~i~4 116), 63931#(<= ULTIMATE.start_main_~i~4 118), 63932#(<= ULTIMATE.start_main_~i~4 120), 63933#(<= ULTIMATE.start_main_~i~4 122), 63934#(<= ULTIMATE.start_main_~i~4 124), 63935#(<= ULTIMATE.start_main_~i~4 126), 63936#(<= ULTIMATE.start_main_~i~4 128), 63937#(<= ULTIMATE.start_main_~i~4 130), 63938#(<= ULTIMATE.start_main_~i~4 132), 63939#(<= ULTIMATE.start_main_~i~4 134), 63940#(<= ULTIMATE.start_main_~i~4 136), 63941#(<= ULTIMATE.start_main_~i~4 138), 63942#(<= ULTIMATE.start_main_~i~4 140), 63943#(<= ULTIMATE.start_main_~i~4 142), 63944#(<= ULTIMATE.start_main_~i~4 144), 63945#(<= ULTIMATE.start_main_~i~4 146), 63946#(<= ULTIMATE.start_main_~i~4 148), 63947#(<= ULTIMATE.start_main_~i~4 150), 63948#(<= ULTIMATE.start_main_~i~4 152), 63949#(<= ULTIMATE.start_main_~i~4 154), 63950#(<= ULTIMATE.start_main_~i~4 156), 63951#(<= ULTIMATE.start_main_~i~4 158), 63952#(<= ULTIMATE.start_main_~i~4 160), 63953#(<= ULTIMATE.start_main_~i~4 162), 63954#(<= ULTIMATE.start_main_~i~4 164), 63955#(<= ULTIMATE.start_main_~i~4 166), 63956#(<= ULTIMATE.start_main_~i~4 168), 63957#(<= ULTIMATE.start_main_~i~4 170), 63958#(<= ULTIMATE.start_main_~i~4 172), 63959#(<= ULTIMATE.start_main_~i~4 174), 63960#(<= ULTIMATE.start_main_~i~4 176), 63961#(<= ULTIMATE.start_main_~i~4 178), 63962#(<= ULTIMATE.start_main_~i~4 180), 63963#(<= ULTIMATE.start_main_~i~4 182), 63964#(<= ULTIMATE.start_main_~i~4 184), 63965#(<= ULTIMATE.start_main_~i~4 186), 63966#(<= ULTIMATE.start_main_~i~4 188), 63967#(<= ULTIMATE.start_main_~i~4 190), 63968#(<= ULTIMATE.start_main_~i~4 192), 63969#(<= ULTIMATE.start_main_~i~4 194), 63970#(<= ULTIMATE.start_main_~i~4 196), 63971#(<= ULTIMATE.start_main_~i~4 198), 63972#(<= ULTIMATE.start_main_~i~4 200), 63973#(<= ULTIMATE.start_main_~i~4 202), 63974#(<= ULTIMATE.start_main_~i~4 204), 63975#(<= ULTIMATE.start_main_~i~4 206), 63976#(<= ULTIMATE.start_main_~i~4 208), 63977#(<= ULTIMATE.start_main_~i~4 210), 63978#(<= ULTIMATE.start_main_~i~4 212), 63979#(<= ULTIMATE.start_main_~i~4 214), 63980#(<= ULTIMATE.start_main_~i~4 216), 63981#(<= ULTIMATE.start_main_~i~4 218), 63982#(<= ULTIMATE.start_main_~i~4 220), 63983#(<= ULTIMATE.start_main_~i~4 222), 63984#(<= ULTIMATE.start_main_~i~4 224), 63985#(<= ULTIMATE.start_main_~i~4 226), 63986#(<= ULTIMATE.start_main_~i~4 228), 63987#(<= ULTIMATE.start_main_~i~4 230), 63988#(<= ULTIMATE.start_main_~i~4 232), 63989#(<= ULTIMATE.start_main_~i~4 234), 63990#(<= ULTIMATE.start_main_~i~4 236), 63991#(<= ULTIMATE.start_main_~i~4 238), 63992#(<= ULTIMATE.start_main_~i~4 240), 63993#(<= ULTIMATE.start_main_~i~4 242), 63994#(<= ULTIMATE.start_main_~i~4 244), 63995#(<= ULTIMATE.start_main_~i~4 246), 63996#(<= ULTIMATE.start_main_~i~4 248), 63997#(<= ULTIMATE.start_main_~i~4 250), 63998#(<= ULTIMATE.start_main_~i~4 252), 63999#(<= ULTIMATE.start_main_~i~4 254)] [2018-07-23 13:38:27,842 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 13:38:27,842 INFO L450 AbstractCegarLoop]: Interpolant automaton has 158 states [2018-07-23 13:38:27,844 INFO L132 InterpolantAutomaton]: Constructing interpolant automaton starting with 158 interpolants. [2018-07-23 13:38:27,845 INFO L133 InterpolantAutomaton]: CoverageRelationStatistics Valid=12403, Invalid=12403, Unknown=0, NotChecked=0, Total=24806 [2018-07-23 13:38:27,845 INFO L87 Difference]: Start difference. First operand 159 states and 159 transitions. Second operand 158 states. [2018-07-23 13:38:28,072 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2018-07-23 13:38:28,072 INFO L93 Difference]: Finished difference Result 162 states and 162 transitions. [2018-07-23 13:38:28,072 INFO L142 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 158 states. [2018-07-23 13:38:28,072 INFO L78 Accepts]: Start accepts. Automaton has 158 states. Word has length 158 [2018-07-23 13:38:28,072 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2018-07-23 13:38:28,073 INFO L225 Difference]: With dead ends: 162 [2018-07-23 13:38:28,073 INFO L226 Difference]: Without dead ends: 160 [2018-07-23 13:38:28,074 INFO L575 BasicCegarLoop]: 0 DeclaredPredicates, 157 GetRequests, 1 SyntacticMatches, 0 SemanticMatches, 156 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 0 ImplicationChecksByTransitivity, 0.4s TimeCoverageRelationStatistics Valid=12403, Invalid=12403, Unknown=0, NotChecked=0, Total=24806 [2018-07-23 13:38:28,074 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 160 states. [2018-07-23 13:38:28,076 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 160 to 160. [2018-07-23 13:38:28,076 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 160 states. [2018-07-23 13:38:28,076 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 160 states to 160 states and 160 transitions. [2018-07-23 13:38:28,076 INFO L78 Accepts]: Start accepts. Automaton has 160 states and 160 transitions. Word has length 158 [2018-07-23 13:38:28,077 INFO L84 Accepts]: Finished accepts. word is rejected. [2018-07-23 13:38:28,077 INFO L471 AbstractCegarLoop]: Abstraction has 160 states and 160 transitions. [2018-07-23 13:38:28,077 INFO L472 AbstractCegarLoop]: Interpolant automaton has 158 states. [2018-07-23 13:38:28,077 INFO L276 IsEmpty]: Start isEmpty. Operand 160 states and 160 transitions. [2018-07-23 13:38:28,077 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 160 [2018-07-23 13:38:28,078 INFO L349 BasicCegarLoop]: Found error trace [2018-07-23 13:38:28,078 INFO L357 BasicCegarLoop]: trace histogram [156, 1, 1, 1] [2018-07-23 13:38:28,078 INFO L414 AbstractCegarLoop]: === Iteration 157 === [ULTIMATE.startErr0AssertViolationASSERT]=== [2018-07-23 13:38:28,078 INFO L82 PathProgramCache]: Analyzing trace with hash -695297663, now seen corresponding path program 156 times [2018-07-23 13:38:28,078 INFO L69 tionRefinementEngine]: Using refinement strategy FixedRefinementStrategy [2018-07-23 13:38:28,159 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-07-23 13:38:28,694 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 13:38:28,694 INFO L309 seRefinementStrategy]: Constructing automaton from 0 perfect and 1 imperfect interpolant sequences. [2018-07-23 13:38:28,694 INFO L324 seRefinementStrategy]: Number of different interpolants: perfect sequences [] imperfect sequences [158] total 158 [2018-07-23 13:38:28,695 INFO L142 lantAutomatonBuilder]: Constructing canonical interpolant automaton, with selfloop in false state [2018-07-23 13:38:28,695 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2018-07-23 13:38:28,695 INFO L185 omatonBuilderFactory]: Interpolants [64768#(<= ULTIMATE.start_main_~i~4 188), 64769#(<= ULTIMATE.start_main_~i~4 190), 64770#(<= ULTIMATE.start_main_~i~4 192), 64771#(<= ULTIMATE.start_main_~i~4 194), 64772#(<= ULTIMATE.start_main_~i~4 196), 64773#(<= ULTIMATE.start_main_~i~4 198), 64774#(<= ULTIMATE.start_main_~i~4 200), 64775#(<= ULTIMATE.start_main_~i~4 202), 64776#(<= ULTIMATE.start_main_~i~4 204), 64777#(<= ULTIMATE.start_main_~i~4 206), 64778#(<= ULTIMATE.start_main_~i~4 208), 64779#(<= ULTIMATE.start_main_~i~4 210), 64780#(<= ULTIMATE.start_main_~i~4 212), 64781#(<= ULTIMATE.start_main_~i~4 214), 64782#(<= ULTIMATE.start_main_~i~4 216), 64783#(<= ULTIMATE.start_main_~i~4 218), 64784#(<= ULTIMATE.start_main_~i~4 220), 64785#(<= ULTIMATE.start_main_~i~4 222), 64786#(<= ULTIMATE.start_main_~i~4 224), 64787#(<= ULTIMATE.start_main_~i~4 226), 64788#(<= ULTIMATE.start_main_~i~4 228), 64789#(<= ULTIMATE.start_main_~i~4 230), 64790#(<= ULTIMATE.start_main_~i~4 232), 64791#(<= ULTIMATE.start_main_~i~4 234), 64792#(<= ULTIMATE.start_main_~i~4 236), 64793#(<= ULTIMATE.start_main_~i~4 238), 64794#(<= ULTIMATE.start_main_~i~4 240), 64795#(<= ULTIMATE.start_main_~i~4 242), 64796#(<= ULTIMATE.start_main_~i~4 244), 64797#(<= ULTIMATE.start_main_~i~4 246), 64798#(<= ULTIMATE.start_main_~i~4 248), 64799#(<= ULTIMATE.start_main_~i~4 250), 64800#(<= ULTIMATE.start_main_~i~4 252), 64801#(<= ULTIMATE.start_main_~i~4 254), 64802#(<= ULTIMATE.start_main_~i~4 256), 64803#(<= ULTIMATE.start_main_~i~4 258), 64804#(<= ULTIMATE.start_main_~i~4 260), 64805#(<= ULTIMATE.start_main_~i~4 262), 64806#(<= ULTIMATE.start_main_~i~4 264), 64807#(<= ULTIMATE.start_main_~i~4 266), 64808#(<= ULTIMATE.start_main_~i~4 268), 64809#(<= ULTIMATE.start_main_~i~4 270), 64810#(<= ULTIMATE.start_main_~i~4 272), 64811#(<= ULTIMATE.start_main_~i~4 274), 64812#(<= ULTIMATE.start_main_~i~4 276), 64813#(<= ULTIMATE.start_main_~i~4 278), 64814#(<= ULTIMATE.start_main_~i~4 280), 64815#(<= ULTIMATE.start_main_~i~4 282), 64816#(<= ULTIMATE.start_main_~i~4 284), 64817#(<= ULTIMATE.start_main_~i~4 286), 64818#(<= ULTIMATE.start_main_~i~4 288), 64819#(<= ULTIMATE.start_main_~i~4 290), 64820#(<= ULTIMATE.start_main_~i~4 292), 64821#(<= ULTIMATE.start_main_~i~4 294), 64822#(<= ULTIMATE.start_main_~i~4 296), 64823#(<= ULTIMATE.start_main_~i~4 298), 64824#(<= ULTIMATE.start_main_~i~4 300), 64825#(<= ULTIMATE.start_main_~i~4 302), 64826#(<= ULTIMATE.start_main_~i~4 304), 64827#(<= ULTIMATE.start_main_~i~4 306), 64828#(<= ULTIMATE.start_main_~i~4 308), 64829#(<= ULTIMATE.start_main_~i~4 310), 64830#(<= ULTIMATE.start_main_~i~4 312), 64672#true, 64673#false, 64674#(<= ULTIMATE.start_main_~i~4 0), 64675#(<= ULTIMATE.start_main_~i~4 2), 64676#(<= ULTIMATE.start_main_~i~4 4), 64677#(<= ULTIMATE.start_main_~i~4 6), 64678#(<= ULTIMATE.start_main_~i~4 8), 64679#(<= ULTIMATE.start_main_~i~4 10), 64680#(<= ULTIMATE.start_main_~i~4 12), 64681#(<= ULTIMATE.start_main_~i~4 14), 64682#(<= ULTIMATE.start_main_~i~4 16), 64683#(<= ULTIMATE.start_main_~i~4 18), 64684#(<= ULTIMATE.start_main_~i~4 20), 64685#(<= ULTIMATE.start_main_~i~4 22), 64686#(<= ULTIMATE.start_main_~i~4 24), 64687#(<= ULTIMATE.start_main_~i~4 26), 64688#(<= ULTIMATE.start_main_~i~4 28), 64689#(<= ULTIMATE.start_main_~i~4 30), 64690#(<= ULTIMATE.start_main_~i~4 32), 64691#(<= ULTIMATE.start_main_~i~4 34), 64692#(<= ULTIMATE.start_main_~i~4 36), 64693#(<= ULTIMATE.start_main_~i~4 38), 64694#(<= ULTIMATE.start_main_~i~4 40), 64695#(<= ULTIMATE.start_main_~i~4 42), 64696#(<= ULTIMATE.start_main_~i~4 44), 64697#(<= ULTIMATE.start_main_~i~4 46), 64698#(<= ULTIMATE.start_main_~i~4 48), 64699#(<= ULTIMATE.start_main_~i~4 50), 64700#(<= ULTIMATE.start_main_~i~4 52), 64701#(<= ULTIMATE.start_main_~i~4 54), 64702#(<= ULTIMATE.start_main_~i~4 56), 64703#(<= ULTIMATE.start_main_~i~4 58), 64704#(<= ULTIMATE.start_main_~i~4 60), 64705#(<= ULTIMATE.start_main_~i~4 62), 64706#(<= ULTIMATE.start_main_~i~4 64), 64707#(<= ULTIMATE.start_main_~i~4 66), 64708#(<= ULTIMATE.start_main_~i~4 68), 64709#(<= ULTIMATE.start_main_~i~4 70), 64710#(<= ULTIMATE.start_main_~i~4 72), 64711#(<= ULTIMATE.start_main_~i~4 74), 64712#(<= ULTIMATE.start_main_~i~4 76), 64713#(<= ULTIMATE.start_main_~i~4 78), 64714#(<= ULTIMATE.start_main_~i~4 80), 64715#(<= ULTIMATE.start_main_~i~4 82), 64716#(<= ULTIMATE.start_main_~i~4 84), 64717#(<= ULTIMATE.start_main_~i~4 86), 64718#(<= ULTIMATE.start_main_~i~4 88), 64719#(<= ULTIMATE.start_main_~i~4 90), 64720#(<= ULTIMATE.start_main_~i~4 92), 64721#(<= ULTIMATE.start_main_~i~4 94), 64722#(<= ULTIMATE.start_main_~i~4 96), 64723#(<= ULTIMATE.start_main_~i~4 98), 64724#(<= ULTIMATE.start_main_~i~4 100), 64725#(<= ULTIMATE.start_main_~i~4 102), 64726#(<= ULTIMATE.start_main_~i~4 104), 64727#(<= ULTIMATE.start_main_~i~4 106), 64728#(<= ULTIMATE.start_main_~i~4 108), 64729#(<= ULTIMATE.start_main_~i~4 110), 64730#(<= ULTIMATE.start_main_~i~4 112), 64731#(<= ULTIMATE.start_main_~i~4 114), 64732#(<= ULTIMATE.start_main_~i~4 116), 64733#(<= ULTIMATE.start_main_~i~4 118), 64734#(<= ULTIMATE.start_main_~i~4 120), 64735#(<= ULTIMATE.start_main_~i~4 122), 64736#(<= ULTIMATE.start_main_~i~4 124), 64737#(<= ULTIMATE.start_main_~i~4 126), 64738#(<= ULTIMATE.start_main_~i~4 128), 64739#(<= ULTIMATE.start_main_~i~4 130), 64740#(<= ULTIMATE.start_main_~i~4 132), 64741#(<= ULTIMATE.start_main_~i~4 134), 64742#(<= ULTIMATE.start_main_~i~4 136), 64743#(<= ULTIMATE.start_main_~i~4 138), 64744#(<= ULTIMATE.start_main_~i~4 140), 64745#(<= ULTIMATE.start_main_~i~4 142), 64746#(<= ULTIMATE.start_main_~i~4 144), 64747#(<= ULTIMATE.start_main_~i~4 146), 64748#(<= ULTIMATE.start_main_~i~4 148), 64749#(<= ULTIMATE.start_main_~i~4 150), 64750#(<= ULTIMATE.start_main_~i~4 152), 64751#(<= ULTIMATE.start_main_~i~4 154), 64752#(<= ULTIMATE.start_main_~i~4 156), 64753#(<= ULTIMATE.start_main_~i~4 158), 64754#(<= ULTIMATE.start_main_~i~4 160), 64755#(<= ULTIMATE.start_main_~i~4 162), 64756#(<= ULTIMATE.start_main_~i~4 164), 64757#(<= ULTIMATE.start_main_~i~4 166), 64758#(<= ULTIMATE.start_main_~i~4 168), 64759#(<= ULTIMATE.start_main_~i~4 170), 64760#(<= ULTIMATE.start_main_~i~4 172), 64761#(<= ULTIMATE.start_main_~i~4 174), 64762#(<= ULTIMATE.start_main_~i~4 176), 64763#(<= ULTIMATE.start_main_~i~4 178), 64764#(<= ULTIMATE.start_main_~i~4 180), 64765#(<= ULTIMATE.start_main_~i~4 182), 64766#(<= ULTIMATE.start_main_~i~4 184), 64767#(<= ULTIMATE.start_main_~i~4 186)] [2018-07-23 13:38:28,696 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 13:38:28,696 INFO L450 AbstractCegarLoop]: Interpolant automaton has 159 states [2018-07-23 13:38:28,697 INFO L132 InterpolantAutomaton]: Constructing interpolant automaton starting with 159 interpolants. [2018-07-23 13:38:28,698 INFO L133 InterpolantAutomaton]: CoverageRelationStatistics Valid=12561, Invalid=12561, Unknown=0, NotChecked=0, Total=25122 [2018-07-23 13:38:28,698 INFO L87 Difference]: Start difference. First operand 160 states and 160 transitions. Second operand 159 states. [2018-07-23 13:38:28,824 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2018-07-23 13:38:28,824 INFO L93 Difference]: Finished difference Result 163 states and 163 transitions. [2018-07-23 13:38:28,824 INFO L142 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 159 states. [2018-07-23 13:38:28,824 INFO L78 Accepts]: Start accepts. Automaton has 159 states. Word has length 159 [2018-07-23 13:38:28,824 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2018-07-23 13:38:28,824 INFO L225 Difference]: With dead ends: 163 [2018-07-23 13:38:28,824 INFO L226 Difference]: Without dead ends: 161 [2018-07-23 13:38:28,825 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 13:38:28,826 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 161 states. [2018-07-23 13:38:28,827 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 161 to 161. [2018-07-23 13:38:28,827 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 161 states. [2018-07-23 13:38:28,827 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 161 states to 161 states and 161 transitions. [2018-07-23 13:38:28,828 INFO L78 Accepts]: Start accepts. Automaton has 161 states and 161 transitions. Word has length 159 [2018-07-23 13:38:28,828 INFO L84 Accepts]: Finished accepts. word is rejected. [2018-07-23 13:38:28,828 INFO L471 AbstractCegarLoop]: Abstraction has 161 states and 161 transitions. [2018-07-23 13:38:28,828 INFO L472 AbstractCegarLoop]: Interpolant automaton has 159 states. [2018-07-23 13:38:28,828 INFO L276 IsEmpty]: Start isEmpty. Operand 161 states and 161 transitions. [2018-07-23 13:38:28,828 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 161 [2018-07-23 13:38:28,828 INFO L349 BasicCegarLoop]: Found error trace [2018-07-23 13:38:28,828 INFO L357 BasicCegarLoop]: trace histogram [157, 1, 1, 1] [2018-07-23 13:38:28,828 INFO L414 AbstractCegarLoop]: === Iteration 158 === [ULTIMATE.startErr0AssertViolationASSERT]=== [2018-07-23 13:38:28,829 INFO L82 PathProgramCache]: Analyzing trace with hash -79393048, now seen corresponding path program 157 times [2018-07-23 13:38:28,829 INFO L69 tionRefinementEngine]: Using refinement strategy FixedRefinementStrategy [2018-07-23 13:38:28,905 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-07-23 13:38:29,436 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 13:38:29,437 INFO L309 seRefinementStrategy]: Constructing automaton from 0 perfect and 1 imperfect interpolant sequences. [2018-07-23 13:38:29,437 INFO L324 seRefinementStrategy]: Number of different interpolants: perfect sequences [] imperfect sequences [159] total 159 [2018-07-23 13:38:29,437 INFO L142 lantAutomatonBuilder]: Constructing canonical interpolant automaton, with selfloop in false state [2018-07-23 13:38:29,437 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2018-07-23 13:38:29,437 INFO L185 omatonBuilderFactory]: Interpolants [65537#(<= ULTIMATE.start_main_~i~4 112), 65536#(<= ULTIMATE.start_main_~i~4 110), 65539#(<= ULTIMATE.start_main_~i~4 116), 65538#(<= ULTIMATE.start_main_~i~4 114), 65541#(<= ULTIMATE.start_main_~i~4 120), 65540#(<= ULTIMATE.start_main_~i~4 118), 65543#(<= ULTIMATE.start_main_~i~4 124), 65542#(<= ULTIMATE.start_main_~i~4 122), 65545#(<= ULTIMATE.start_main_~i~4 128), 65544#(<= ULTIMATE.start_main_~i~4 126), 65547#(<= ULTIMATE.start_main_~i~4 132), 65546#(<= ULTIMATE.start_main_~i~4 130), 65549#(<= ULTIMATE.start_main_~i~4 136), 65548#(<= ULTIMATE.start_main_~i~4 134), 65551#(<= ULTIMATE.start_main_~i~4 140), 65550#(<= ULTIMATE.start_main_~i~4 138), 65553#(<= ULTIMATE.start_main_~i~4 144), 65552#(<= ULTIMATE.start_main_~i~4 142), 65555#(<= ULTIMATE.start_main_~i~4 148), 65554#(<= ULTIMATE.start_main_~i~4 146), 65557#(<= ULTIMATE.start_main_~i~4 152), 65556#(<= ULTIMATE.start_main_~i~4 150), 65559#(<= ULTIMATE.start_main_~i~4 156), 65558#(<= ULTIMATE.start_main_~i~4 154), 65561#(<= ULTIMATE.start_main_~i~4 160), 65560#(<= ULTIMATE.start_main_~i~4 158), 65563#(<= ULTIMATE.start_main_~i~4 164), 65562#(<= ULTIMATE.start_main_~i~4 162), 65565#(<= ULTIMATE.start_main_~i~4 168), 65564#(<= ULTIMATE.start_main_~i~4 166), 65567#(<= ULTIMATE.start_main_~i~4 172), 65566#(<= ULTIMATE.start_main_~i~4 170), 65569#(<= ULTIMATE.start_main_~i~4 176), 65568#(<= ULTIMATE.start_main_~i~4 174), 65571#(<= ULTIMATE.start_main_~i~4 180), 65570#(<= ULTIMATE.start_main_~i~4 178), 65573#(<= ULTIMATE.start_main_~i~4 184), 65572#(<= ULTIMATE.start_main_~i~4 182), 65575#(<= ULTIMATE.start_main_~i~4 188), 65574#(<= ULTIMATE.start_main_~i~4 186), 65577#(<= ULTIMATE.start_main_~i~4 192), 65576#(<= ULTIMATE.start_main_~i~4 190), 65579#(<= ULTIMATE.start_main_~i~4 196), 65578#(<= ULTIMATE.start_main_~i~4 194), 65581#(<= ULTIMATE.start_main_~i~4 200), 65580#(<= ULTIMATE.start_main_~i~4 198), 65583#(<= ULTIMATE.start_main_~i~4 204), 65582#(<= ULTIMATE.start_main_~i~4 202), 65585#(<= ULTIMATE.start_main_~i~4 208), 65584#(<= ULTIMATE.start_main_~i~4 206), 65587#(<= ULTIMATE.start_main_~i~4 212), 65586#(<= ULTIMATE.start_main_~i~4 210), 65589#(<= ULTIMATE.start_main_~i~4 216), 65588#(<= ULTIMATE.start_main_~i~4 214), 65591#(<= ULTIMATE.start_main_~i~4 220), 65590#(<= ULTIMATE.start_main_~i~4 218), 65593#(<= ULTIMATE.start_main_~i~4 224), 65592#(<= ULTIMATE.start_main_~i~4 222), 65595#(<= ULTIMATE.start_main_~i~4 228), 65594#(<= ULTIMATE.start_main_~i~4 226), 65597#(<= ULTIMATE.start_main_~i~4 232), 65596#(<= ULTIMATE.start_main_~i~4 230), 65599#(<= ULTIMATE.start_main_~i~4 236), 65598#(<= ULTIMATE.start_main_~i~4 234), 65601#(<= ULTIMATE.start_main_~i~4 240), 65600#(<= ULTIMATE.start_main_~i~4 238), 65603#(<= ULTIMATE.start_main_~i~4 244), 65602#(<= ULTIMATE.start_main_~i~4 242), 65605#(<= ULTIMATE.start_main_~i~4 248), 65604#(<= ULTIMATE.start_main_~i~4 246), 65607#(<= ULTIMATE.start_main_~i~4 252), 65606#(<= ULTIMATE.start_main_~i~4 250), 65609#(<= ULTIMATE.start_main_~i~4 256), 65608#(<= ULTIMATE.start_main_~i~4 254), 65611#(<= ULTIMATE.start_main_~i~4 260), 65610#(<= ULTIMATE.start_main_~i~4 258), 65613#(<= ULTIMATE.start_main_~i~4 264), 65612#(<= ULTIMATE.start_main_~i~4 262), 65615#(<= ULTIMATE.start_main_~i~4 268), 65614#(<= ULTIMATE.start_main_~i~4 266), 65617#(<= ULTIMATE.start_main_~i~4 272), 65616#(<= ULTIMATE.start_main_~i~4 270), 65619#(<= ULTIMATE.start_main_~i~4 276), 65618#(<= ULTIMATE.start_main_~i~4 274), 65621#(<= ULTIMATE.start_main_~i~4 280), 65620#(<= ULTIMATE.start_main_~i~4 278), 65623#(<= ULTIMATE.start_main_~i~4 284), 65622#(<= ULTIMATE.start_main_~i~4 282), 65625#(<= ULTIMATE.start_main_~i~4 288), 65624#(<= ULTIMATE.start_main_~i~4 286), 65627#(<= ULTIMATE.start_main_~i~4 292), 65626#(<= ULTIMATE.start_main_~i~4 290), 65629#(<= ULTIMATE.start_main_~i~4 296), 65628#(<= ULTIMATE.start_main_~i~4 294), 65631#(<= ULTIMATE.start_main_~i~4 300), 65630#(<= ULTIMATE.start_main_~i~4 298), 65633#(<= ULTIMATE.start_main_~i~4 304), 65632#(<= ULTIMATE.start_main_~i~4 302), 65635#(<= ULTIMATE.start_main_~i~4 308), 65634#(<= ULTIMATE.start_main_~i~4 306), 65637#(<= ULTIMATE.start_main_~i~4 312), 65636#(<= ULTIMATE.start_main_~i~4 310), 65638#(<= ULTIMATE.start_main_~i~4 314), 65479#true, 65480#false, 65481#(<= ULTIMATE.start_main_~i~4 0), 65482#(<= ULTIMATE.start_main_~i~4 2), 65483#(<= ULTIMATE.start_main_~i~4 4), 65484#(<= ULTIMATE.start_main_~i~4 6), 65485#(<= ULTIMATE.start_main_~i~4 8), 65486#(<= ULTIMATE.start_main_~i~4 10), 65487#(<= ULTIMATE.start_main_~i~4 12), 65488#(<= ULTIMATE.start_main_~i~4 14), 65489#(<= ULTIMATE.start_main_~i~4 16), 65490#(<= ULTIMATE.start_main_~i~4 18), 65491#(<= ULTIMATE.start_main_~i~4 20), 65492#(<= ULTIMATE.start_main_~i~4 22), 65493#(<= ULTIMATE.start_main_~i~4 24), 65494#(<= ULTIMATE.start_main_~i~4 26), 65495#(<= ULTIMATE.start_main_~i~4 28), 65496#(<= ULTIMATE.start_main_~i~4 30), 65497#(<= ULTIMATE.start_main_~i~4 32), 65498#(<= ULTIMATE.start_main_~i~4 34), 65499#(<= ULTIMATE.start_main_~i~4 36), 65500#(<= ULTIMATE.start_main_~i~4 38), 65501#(<= ULTIMATE.start_main_~i~4 40), 65502#(<= ULTIMATE.start_main_~i~4 42), 65503#(<= ULTIMATE.start_main_~i~4 44), 65504#(<= ULTIMATE.start_main_~i~4 46), 65505#(<= ULTIMATE.start_main_~i~4 48), 65506#(<= ULTIMATE.start_main_~i~4 50), 65507#(<= ULTIMATE.start_main_~i~4 52), 65508#(<= ULTIMATE.start_main_~i~4 54), 65509#(<= ULTIMATE.start_main_~i~4 56), 65510#(<= ULTIMATE.start_main_~i~4 58), 65511#(<= ULTIMATE.start_main_~i~4 60), 65512#(<= ULTIMATE.start_main_~i~4 62), 65513#(<= ULTIMATE.start_main_~i~4 64), 65514#(<= ULTIMATE.start_main_~i~4 66), 65515#(<= ULTIMATE.start_main_~i~4 68), 65516#(<= ULTIMATE.start_main_~i~4 70), 65517#(<= ULTIMATE.start_main_~i~4 72), 65518#(<= ULTIMATE.start_main_~i~4 74), 65519#(<= ULTIMATE.start_main_~i~4 76), 65520#(<= ULTIMATE.start_main_~i~4 78), 65521#(<= ULTIMATE.start_main_~i~4 80), 65522#(<= ULTIMATE.start_main_~i~4 82), 65523#(<= ULTIMATE.start_main_~i~4 84), 65524#(<= ULTIMATE.start_main_~i~4 86), 65525#(<= ULTIMATE.start_main_~i~4 88), 65526#(<= ULTIMATE.start_main_~i~4 90), 65527#(<= ULTIMATE.start_main_~i~4 92), 65528#(<= ULTIMATE.start_main_~i~4 94), 65529#(<= ULTIMATE.start_main_~i~4 96), 65530#(<= ULTIMATE.start_main_~i~4 98), 65531#(<= ULTIMATE.start_main_~i~4 100), 65532#(<= ULTIMATE.start_main_~i~4 102), 65533#(<= ULTIMATE.start_main_~i~4 104), 65534#(<= ULTIMATE.start_main_~i~4 106), 65535#(<= ULTIMATE.start_main_~i~4 108)] [2018-07-23 13:38:29,438 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 13:38:29,439 INFO L450 AbstractCegarLoop]: Interpolant automaton has 160 states [2018-07-23 13:38:29,441 INFO L132 InterpolantAutomaton]: Constructing interpolant automaton starting with 160 interpolants. [2018-07-23 13:38:29,442 INFO L133 InterpolantAutomaton]: CoverageRelationStatistics Valid=12720, Invalid=12720, Unknown=0, NotChecked=0, Total=25440 [2018-07-23 13:38:29,442 INFO L87 Difference]: Start difference. First operand 161 states and 161 transitions. Second operand 160 states. [2018-07-23 13:38:29,654 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2018-07-23 13:38:29,654 INFO L93 Difference]: Finished difference Result 164 states and 164 transitions. [2018-07-23 13:38:29,655 INFO L142 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 160 states. [2018-07-23 13:38:29,655 INFO L78 Accepts]: Start accepts. Automaton has 160 states. Word has length 160 [2018-07-23 13:38:29,655 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2018-07-23 13:38:29,655 INFO L225 Difference]: With dead ends: 164 [2018-07-23 13:38:29,655 INFO L226 Difference]: Without dead ends: 162 [2018-07-23 13:38:29,656 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 13:38:29,657 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 162 states. [2018-07-23 13:38:29,658 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 162 to 162. [2018-07-23 13:38:29,658 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 162 states. [2018-07-23 13:38:29,659 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 162 states to 162 states and 162 transitions. [2018-07-23 13:38:29,659 INFO L78 Accepts]: Start accepts. Automaton has 162 states and 162 transitions. Word has length 160 [2018-07-23 13:38:29,659 INFO L84 Accepts]: Finished accepts. word is rejected. [2018-07-23 13:38:29,659 INFO L471 AbstractCegarLoop]: Abstraction has 162 states and 162 transitions. [2018-07-23 13:38:29,659 INFO L472 AbstractCegarLoop]: Interpolant automaton has 160 states. [2018-07-23 13:38:29,659 INFO L276 IsEmpty]: Start isEmpty. Operand 162 states and 162 transitions. [2018-07-23 13:38:29,659 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 162 [2018-07-23 13:38:29,659 INFO L349 BasicCegarLoop]: Found error trace [2018-07-23 13:38:29,659 INFO L357 BasicCegarLoop]: trace histogram [158, 1, 1, 1] [2018-07-23 13:38:29,660 INFO L414 AbstractCegarLoop]: === Iteration 159 === [ULTIMATE.startErr0AssertViolationASSERT]=== [2018-07-23 13:38:29,660 INFO L82 PathProgramCache]: Analyzing trace with hash 1833780833, now seen corresponding path program 158 times [2018-07-23 13:38:29,660 INFO L69 tionRefinementEngine]: Using refinement strategy FixedRefinementStrategy [2018-07-23 13:38:29,780 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-07-23 13:38:30,301 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 13:38:30,301 INFO L309 seRefinementStrategy]: Constructing automaton from 0 perfect and 1 imperfect interpolant sequences. [2018-07-23 13:38:30,302 INFO L324 seRefinementStrategy]: Number of different interpolants: perfect sequences [] imperfect sequences [160] total 160 [2018-07-23 13:38:30,302 INFO L142 lantAutomatonBuilder]: Constructing canonical interpolant automaton, with selfloop in false state [2018-07-23 13:38:30,302 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2018-07-23 13:38:30,302 INFO L185 omatonBuilderFactory]: Interpolants [66305#(<= ULTIMATE.start_main_~i~4 24), 66304#(<= ULTIMATE.start_main_~i~4 22), 66307#(<= ULTIMATE.start_main_~i~4 28), 66306#(<= ULTIMATE.start_main_~i~4 26), 66309#(<= ULTIMATE.start_main_~i~4 32), 66308#(<= ULTIMATE.start_main_~i~4 30), 66311#(<= ULTIMATE.start_main_~i~4 36), 66310#(<= ULTIMATE.start_main_~i~4 34), 66313#(<= ULTIMATE.start_main_~i~4 40), 66312#(<= ULTIMATE.start_main_~i~4 38), 66315#(<= ULTIMATE.start_main_~i~4 44), 66314#(<= ULTIMATE.start_main_~i~4 42), 66317#(<= ULTIMATE.start_main_~i~4 48), 66316#(<= ULTIMATE.start_main_~i~4 46), 66319#(<= ULTIMATE.start_main_~i~4 52), 66318#(<= ULTIMATE.start_main_~i~4 50), 66321#(<= ULTIMATE.start_main_~i~4 56), 66320#(<= ULTIMATE.start_main_~i~4 54), 66323#(<= ULTIMATE.start_main_~i~4 60), 66322#(<= ULTIMATE.start_main_~i~4 58), 66325#(<= ULTIMATE.start_main_~i~4 64), 66324#(<= ULTIMATE.start_main_~i~4 62), 66327#(<= ULTIMATE.start_main_~i~4 68), 66326#(<= ULTIMATE.start_main_~i~4 66), 66329#(<= ULTIMATE.start_main_~i~4 72), 66328#(<= ULTIMATE.start_main_~i~4 70), 66331#(<= ULTIMATE.start_main_~i~4 76), 66330#(<= ULTIMATE.start_main_~i~4 74), 66333#(<= ULTIMATE.start_main_~i~4 80), 66332#(<= ULTIMATE.start_main_~i~4 78), 66335#(<= ULTIMATE.start_main_~i~4 84), 66334#(<= ULTIMATE.start_main_~i~4 82), 66337#(<= ULTIMATE.start_main_~i~4 88), 66336#(<= ULTIMATE.start_main_~i~4 86), 66339#(<= ULTIMATE.start_main_~i~4 92), 66338#(<= ULTIMATE.start_main_~i~4 90), 66341#(<= ULTIMATE.start_main_~i~4 96), 66340#(<= ULTIMATE.start_main_~i~4 94), 66343#(<= ULTIMATE.start_main_~i~4 100), 66342#(<= ULTIMATE.start_main_~i~4 98), 66345#(<= ULTIMATE.start_main_~i~4 104), 66344#(<= ULTIMATE.start_main_~i~4 102), 66347#(<= ULTIMATE.start_main_~i~4 108), 66346#(<= ULTIMATE.start_main_~i~4 106), 66349#(<= ULTIMATE.start_main_~i~4 112), 66348#(<= ULTIMATE.start_main_~i~4 110), 66351#(<= ULTIMATE.start_main_~i~4 116), 66350#(<= ULTIMATE.start_main_~i~4 114), 66353#(<= ULTIMATE.start_main_~i~4 120), 66352#(<= ULTIMATE.start_main_~i~4 118), 66355#(<= ULTIMATE.start_main_~i~4 124), 66354#(<= ULTIMATE.start_main_~i~4 122), 66357#(<= ULTIMATE.start_main_~i~4 128), 66356#(<= ULTIMATE.start_main_~i~4 126), 66359#(<= ULTIMATE.start_main_~i~4 132), 66358#(<= ULTIMATE.start_main_~i~4 130), 66361#(<= ULTIMATE.start_main_~i~4 136), 66360#(<= ULTIMATE.start_main_~i~4 134), 66363#(<= ULTIMATE.start_main_~i~4 140), 66362#(<= ULTIMATE.start_main_~i~4 138), 66365#(<= ULTIMATE.start_main_~i~4 144), 66364#(<= ULTIMATE.start_main_~i~4 142), 66367#(<= ULTIMATE.start_main_~i~4 148), 66366#(<= ULTIMATE.start_main_~i~4 146), 66369#(<= ULTIMATE.start_main_~i~4 152), 66368#(<= ULTIMATE.start_main_~i~4 150), 66371#(<= ULTIMATE.start_main_~i~4 156), 66370#(<= ULTIMATE.start_main_~i~4 154), 66373#(<= ULTIMATE.start_main_~i~4 160), 66372#(<= ULTIMATE.start_main_~i~4 158), 66375#(<= ULTIMATE.start_main_~i~4 164), 66374#(<= ULTIMATE.start_main_~i~4 162), 66377#(<= ULTIMATE.start_main_~i~4 168), 66376#(<= ULTIMATE.start_main_~i~4 166), 66379#(<= ULTIMATE.start_main_~i~4 172), 66378#(<= ULTIMATE.start_main_~i~4 170), 66381#(<= ULTIMATE.start_main_~i~4 176), 66380#(<= ULTIMATE.start_main_~i~4 174), 66383#(<= ULTIMATE.start_main_~i~4 180), 66382#(<= ULTIMATE.start_main_~i~4 178), 66385#(<= ULTIMATE.start_main_~i~4 184), 66384#(<= ULTIMATE.start_main_~i~4 182), 66387#(<= ULTIMATE.start_main_~i~4 188), 66386#(<= ULTIMATE.start_main_~i~4 186), 66389#(<= ULTIMATE.start_main_~i~4 192), 66388#(<= ULTIMATE.start_main_~i~4 190), 66391#(<= ULTIMATE.start_main_~i~4 196), 66390#(<= ULTIMATE.start_main_~i~4 194), 66393#(<= ULTIMATE.start_main_~i~4 200), 66392#(<= ULTIMATE.start_main_~i~4 198), 66395#(<= ULTIMATE.start_main_~i~4 204), 66394#(<= ULTIMATE.start_main_~i~4 202), 66397#(<= ULTIMATE.start_main_~i~4 208), 66396#(<= ULTIMATE.start_main_~i~4 206), 66399#(<= ULTIMATE.start_main_~i~4 212), 66398#(<= ULTIMATE.start_main_~i~4 210), 66401#(<= ULTIMATE.start_main_~i~4 216), 66400#(<= ULTIMATE.start_main_~i~4 214), 66403#(<= ULTIMATE.start_main_~i~4 220), 66402#(<= ULTIMATE.start_main_~i~4 218), 66405#(<= ULTIMATE.start_main_~i~4 224), 66404#(<= ULTIMATE.start_main_~i~4 222), 66407#(<= ULTIMATE.start_main_~i~4 228), 66406#(<= ULTIMATE.start_main_~i~4 226), 66409#(<= ULTIMATE.start_main_~i~4 232), 66408#(<= ULTIMATE.start_main_~i~4 230), 66411#(<= ULTIMATE.start_main_~i~4 236), 66410#(<= ULTIMATE.start_main_~i~4 234), 66413#(<= ULTIMATE.start_main_~i~4 240), 66412#(<= ULTIMATE.start_main_~i~4 238), 66415#(<= ULTIMATE.start_main_~i~4 244), 66414#(<= ULTIMATE.start_main_~i~4 242), 66417#(<= ULTIMATE.start_main_~i~4 248), 66416#(<= ULTIMATE.start_main_~i~4 246), 66419#(<= ULTIMATE.start_main_~i~4 252), 66418#(<= ULTIMATE.start_main_~i~4 250), 66421#(<= ULTIMATE.start_main_~i~4 256), 66420#(<= ULTIMATE.start_main_~i~4 254), 66423#(<= ULTIMATE.start_main_~i~4 260), 66422#(<= ULTIMATE.start_main_~i~4 258), 66425#(<= ULTIMATE.start_main_~i~4 264), 66424#(<= ULTIMATE.start_main_~i~4 262), 66427#(<= ULTIMATE.start_main_~i~4 268), 66426#(<= ULTIMATE.start_main_~i~4 266), 66429#(<= ULTIMATE.start_main_~i~4 272), 66428#(<= ULTIMATE.start_main_~i~4 270), 66431#(<= ULTIMATE.start_main_~i~4 276), 66430#(<= ULTIMATE.start_main_~i~4 274), 66433#(<= ULTIMATE.start_main_~i~4 280), 66432#(<= ULTIMATE.start_main_~i~4 278), 66435#(<= ULTIMATE.start_main_~i~4 284), 66434#(<= ULTIMATE.start_main_~i~4 282), 66437#(<= ULTIMATE.start_main_~i~4 288), 66436#(<= ULTIMATE.start_main_~i~4 286), 66439#(<= ULTIMATE.start_main_~i~4 292), 66438#(<= ULTIMATE.start_main_~i~4 290), 66441#(<= ULTIMATE.start_main_~i~4 296), 66440#(<= ULTIMATE.start_main_~i~4 294), 66443#(<= ULTIMATE.start_main_~i~4 300), 66442#(<= ULTIMATE.start_main_~i~4 298), 66445#(<= ULTIMATE.start_main_~i~4 304), 66444#(<= ULTIMATE.start_main_~i~4 302), 66447#(<= ULTIMATE.start_main_~i~4 308), 66446#(<= ULTIMATE.start_main_~i~4 306), 66449#(<= ULTIMATE.start_main_~i~4 312), 66448#(<= ULTIMATE.start_main_~i~4 310), 66451#(<= ULTIMATE.start_main_~i~4 316), 66450#(<= ULTIMATE.start_main_~i~4 314), 66291#true, 66293#(<= ULTIMATE.start_main_~i~4 0), 66292#false, 66295#(<= ULTIMATE.start_main_~i~4 4), 66294#(<= ULTIMATE.start_main_~i~4 2), 66297#(<= ULTIMATE.start_main_~i~4 8), 66296#(<= ULTIMATE.start_main_~i~4 6), 66299#(<= ULTIMATE.start_main_~i~4 12), 66298#(<= ULTIMATE.start_main_~i~4 10), 66301#(<= ULTIMATE.start_main_~i~4 16), 66300#(<= ULTIMATE.start_main_~i~4 14), 66303#(<= ULTIMATE.start_main_~i~4 20), 66302#(<= ULTIMATE.start_main_~i~4 18)] [2018-07-23 13:38:30,303 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 13:38:30,303 INFO L450 AbstractCegarLoop]: Interpolant automaton has 161 states [2018-07-23 13:38:30,304 INFO L132 InterpolantAutomaton]: Constructing interpolant automaton starting with 161 interpolants. [2018-07-23 13:38:30,305 INFO L133 InterpolantAutomaton]: CoverageRelationStatistics Valid=12880, Invalid=12880, Unknown=0, NotChecked=0, Total=25760 [2018-07-23 13:38:30,305 INFO L87 Difference]: Start difference. First operand 162 states and 162 transitions. Second operand 161 states. [2018-07-23 13:38:30,712 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2018-07-23 13:38:30,713 INFO L93 Difference]: Finished difference Result 165 states and 165 transitions. [2018-07-23 13:38:30,713 INFO L142 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 161 states. [2018-07-23 13:38:30,713 INFO L78 Accepts]: Start accepts. Automaton has 161 states. Word has length 161 [2018-07-23 13:38:30,713 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2018-07-23 13:38:30,713 INFO L225 Difference]: With dead ends: 165 [2018-07-23 13:38:30,713 INFO L226 Difference]: Without dead ends: 163 [2018-07-23 13:38:30,714 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 13:38:30,714 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 163 states. [2018-07-23 13:38:30,716 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 163 to 163. [2018-07-23 13:38:30,716 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 163 states. [2018-07-23 13:38:30,716 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 163 states to 163 states and 163 transitions. [2018-07-23 13:38:30,716 INFO L78 Accepts]: Start accepts. Automaton has 163 states and 163 transitions. Word has length 161 [2018-07-23 13:38:30,717 INFO L84 Accepts]: Finished accepts. word is rejected. [2018-07-23 13:38:30,717 INFO L471 AbstractCegarLoop]: Abstraction has 163 states and 163 transitions. [2018-07-23 13:38:30,717 INFO L472 AbstractCegarLoop]: Interpolant automaton has 161 states. [2018-07-23 13:38:30,717 INFO L276 IsEmpty]: Start isEmpty. Operand 163 states and 163 transitions. [2018-07-23 13:38:30,717 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 163 [2018-07-23 13:38:30,717 INFO L349 BasicCegarLoop]: Found error trace [2018-07-23 13:38:30,717 INFO L357 BasicCegarLoop]: trace histogram [159, 1, 1, 1] [2018-07-23 13:38:30,717 INFO L414 AbstractCegarLoop]: === Iteration 160 === [ULTIMATE.startErr0AssertViolationASSERT]=== [2018-07-23 13:38:30,717 INFO L82 PathProgramCache]: Analyzing trace with hash 1012629000, now seen corresponding path program 159 times [2018-07-23 13:38:30,718 INFO L69 tionRefinementEngine]: Using refinement strategy FixedRefinementStrategy [2018-07-23 13:38:30,819 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-07-23 13:38:31,354 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 13:38:31,354 INFO L309 seRefinementStrategy]: Constructing automaton from 0 perfect and 1 imperfect interpolant sequences. [2018-07-23 13:38:31,354 INFO L324 seRefinementStrategy]: Number of different interpolants: perfect sequences [] imperfect sequences [161] total 161 [2018-07-23 13:38:31,354 INFO L142 lantAutomatonBuilder]: Constructing canonical interpolant automaton, with selfloop in false state [2018-07-23 13:38:31,354 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2018-07-23 13:38:31,355 INFO L185 omatonBuilderFactory]: Interpolants [67109#false, 67108#true, 67111#(<= ULTIMATE.start_main_~i~4 2), 67110#(<= ULTIMATE.start_main_~i~4 0), 67113#(<= ULTIMATE.start_main_~i~4 6), 67112#(<= ULTIMATE.start_main_~i~4 4), 67115#(<= ULTIMATE.start_main_~i~4 10), 67114#(<= ULTIMATE.start_main_~i~4 8), 67117#(<= ULTIMATE.start_main_~i~4 14), 67116#(<= ULTIMATE.start_main_~i~4 12), 67119#(<= ULTIMATE.start_main_~i~4 18), 67118#(<= ULTIMATE.start_main_~i~4 16), 67121#(<= ULTIMATE.start_main_~i~4 22), 67120#(<= ULTIMATE.start_main_~i~4 20), 67123#(<= ULTIMATE.start_main_~i~4 26), 67122#(<= ULTIMATE.start_main_~i~4 24), 67125#(<= ULTIMATE.start_main_~i~4 30), 67124#(<= ULTIMATE.start_main_~i~4 28), 67127#(<= ULTIMATE.start_main_~i~4 34), 67126#(<= ULTIMATE.start_main_~i~4 32), 67129#(<= ULTIMATE.start_main_~i~4 38), 67128#(<= ULTIMATE.start_main_~i~4 36), 67131#(<= ULTIMATE.start_main_~i~4 42), 67130#(<= ULTIMATE.start_main_~i~4 40), 67133#(<= ULTIMATE.start_main_~i~4 46), 67132#(<= ULTIMATE.start_main_~i~4 44), 67135#(<= ULTIMATE.start_main_~i~4 50), 67134#(<= ULTIMATE.start_main_~i~4 48), 67137#(<= ULTIMATE.start_main_~i~4 54), 67136#(<= ULTIMATE.start_main_~i~4 52), 67139#(<= ULTIMATE.start_main_~i~4 58), 67138#(<= ULTIMATE.start_main_~i~4 56), 67141#(<= ULTIMATE.start_main_~i~4 62), 67140#(<= ULTIMATE.start_main_~i~4 60), 67143#(<= ULTIMATE.start_main_~i~4 66), 67142#(<= ULTIMATE.start_main_~i~4 64), 67145#(<= ULTIMATE.start_main_~i~4 70), 67144#(<= ULTIMATE.start_main_~i~4 68), 67147#(<= ULTIMATE.start_main_~i~4 74), 67146#(<= ULTIMATE.start_main_~i~4 72), 67149#(<= ULTIMATE.start_main_~i~4 78), 67148#(<= ULTIMATE.start_main_~i~4 76), 67151#(<= ULTIMATE.start_main_~i~4 82), 67150#(<= ULTIMATE.start_main_~i~4 80), 67153#(<= ULTIMATE.start_main_~i~4 86), 67152#(<= ULTIMATE.start_main_~i~4 84), 67155#(<= ULTIMATE.start_main_~i~4 90), 67154#(<= ULTIMATE.start_main_~i~4 88), 67157#(<= ULTIMATE.start_main_~i~4 94), 67156#(<= ULTIMATE.start_main_~i~4 92), 67159#(<= ULTIMATE.start_main_~i~4 98), 67158#(<= ULTIMATE.start_main_~i~4 96), 67161#(<= ULTIMATE.start_main_~i~4 102), 67160#(<= ULTIMATE.start_main_~i~4 100), 67163#(<= ULTIMATE.start_main_~i~4 106), 67162#(<= ULTIMATE.start_main_~i~4 104), 67165#(<= ULTIMATE.start_main_~i~4 110), 67164#(<= ULTIMATE.start_main_~i~4 108), 67167#(<= ULTIMATE.start_main_~i~4 114), 67166#(<= ULTIMATE.start_main_~i~4 112), 67169#(<= ULTIMATE.start_main_~i~4 118), 67168#(<= ULTIMATE.start_main_~i~4 116), 67171#(<= ULTIMATE.start_main_~i~4 122), 67170#(<= ULTIMATE.start_main_~i~4 120), 67173#(<= ULTIMATE.start_main_~i~4 126), 67172#(<= ULTIMATE.start_main_~i~4 124), 67175#(<= ULTIMATE.start_main_~i~4 130), 67174#(<= ULTIMATE.start_main_~i~4 128), 67177#(<= ULTIMATE.start_main_~i~4 134), 67176#(<= ULTIMATE.start_main_~i~4 132), 67179#(<= ULTIMATE.start_main_~i~4 138), 67178#(<= ULTIMATE.start_main_~i~4 136), 67181#(<= ULTIMATE.start_main_~i~4 142), 67180#(<= ULTIMATE.start_main_~i~4 140), 67183#(<= ULTIMATE.start_main_~i~4 146), 67182#(<= ULTIMATE.start_main_~i~4 144), 67185#(<= ULTIMATE.start_main_~i~4 150), 67184#(<= ULTIMATE.start_main_~i~4 148), 67187#(<= ULTIMATE.start_main_~i~4 154), 67186#(<= ULTIMATE.start_main_~i~4 152), 67189#(<= ULTIMATE.start_main_~i~4 158), 67188#(<= ULTIMATE.start_main_~i~4 156), 67191#(<= ULTIMATE.start_main_~i~4 162), 67190#(<= ULTIMATE.start_main_~i~4 160), 67193#(<= ULTIMATE.start_main_~i~4 166), 67192#(<= ULTIMATE.start_main_~i~4 164), 67195#(<= ULTIMATE.start_main_~i~4 170), 67194#(<= ULTIMATE.start_main_~i~4 168), 67197#(<= ULTIMATE.start_main_~i~4 174), 67196#(<= ULTIMATE.start_main_~i~4 172), 67199#(<= ULTIMATE.start_main_~i~4 178), 67198#(<= ULTIMATE.start_main_~i~4 176), 67201#(<= ULTIMATE.start_main_~i~4 182), 67200#(<= ULTIMATE.start_main_~i~4 180), 67203#(<= ULTIMATE.start_main_~i~4 186), 67202#(<= ULTIMATE.start_main_~i~4 184), 67205#(<= ULTIMATE.start_main_~i~4 190), 67204#(<= ULTIMATE.start_main_~i~4 188), 67207#(<= ULTIMATE.start_main_~i~4 194), 67206#(<= ULTIMATE.start_main_~i~4 192), 67209#(<= ULTIMATE.start_main_~i~4 198), 67208#(<= ULTIMATE.start_main_~i~4 196), 67211#(<= ULTIMATE.start_main_~i~4 202), 67210#(<= ULTIMATE.start_main_~i~4 200), 67213#(<= ULTIMATE.start_main_~i~4 206), 67212#(<= ULTIMATE.start_main_~i~4 204), 67215#(<= ULTIMATE.start_main_~i~4 210), 67214#(<= ULTIMATE.start_main_~i~4 208), 67217#(<= ULTIMATE.start_main_~i~4 214), 67216#(<= ULTIMATE.start_main_~i~4 212), 67219#(<= ULTIMATE.start_main_~i~4 218), 67218#(<= ULTIMATE.start_main_~i~4 216), 67221#(<= ULTIMATE.start_main_~i~4 222), 67220#(<= ULTIMATE.start_main_~i~4 220), 67223#(<= ULTIMATE.start_main_~i~4 226), 67222#(<= ULTIMATE.start_main_~i~4 224), 67225#(<= ULTIMATE.start_main_~i~4 230), 67224#(<= ULTIMATE.start_main_~i~4 228), 67227#(<= ULTIMATE.start_main_~i~4 234), 67226#(<= ULTIMATE.start_main_~i~4 232), 67229#(<= ULTIMATE.start_main_~i~4 238), 67228#(<= ULTIMATE.start_main_~i~4 236), 67231#(<= ULTIMATE.start_main_~i~4 242), 67230#(<= ULTIMATE.start_main_~i~4 240), 67233#(<= ULTIMATE.start_main_~i~4 246), 67232#(<= ULTIMATE.start_main_~i~4 244), 67235#(<= ULTIMATE.start_main_~i~4 250), 67234#(<= ULTIMATE.start_main_~i~4 248), 67237#(<= ULTIMATE.start_main_~i~4 254), 67236#(<= ULTIMATE.start_main_~i~4 252), 67239#(<= ULTIMATE.start_main_~i~4 258), 67238#(<= ULTIMATE.start_main_~i~4 256), 67241#(<= ULTIMATE.start_main_~i~4 262), 67240#(<= ULTIMATE.start_main_~i~4 260), 67243#(<= ULTIMATE.start_main_~i~4 266), 67242#(<= ULTIMATE.start_main_~i~4 264), 67245#(<= ULTIMATE.start_main_~i~4 270), 67244#(<= ULTIMATE.start_main_~i~4 268), 67247#(<= ULTIMATE.start_main_~i~4 274), 67246#(<= ULTIMATE.start_main_~i~4 272), 67249#(<= ULTIMATE.start_main_~i~4 278), 67248#(<= ULTIMATE.start_main_~i~4 276), 67251#(<= ULTIMATE.start_main_~i~4 282), 67250#(<= ULTIMATE.start_main_~i~4 280), 67253#(<= ULTIMATE.start_main_~i~4 286), 67252#(<= ULTIMATE.start_main_~i~4 284), 67255#(<= ULTIMATE.start_main_~i~4 290), 67254#(<= ULTIMATE.start_main_~i~4 288), 67257#(<= ULTIMATE.start_main_~i~4 294), 67256#(<= ULTIMATE.start_main_~i~4 292), 67259#(<= ULTIMATE.start_main_~i~4 298), 67258#(<= ULTIMATE.start_main_~i~4 296), 67261#(<= ULTIMATE.start_main_~i~4 302), 67260#(<= ULTIMATE.start_main_~i~4 300), 67263#(<= ULTIMATE.start_main_~i~4 306), 67262#(<= ULTIMATE.start_main_~i~4 304), 67265#(<= ULTIMATE.start_main_~i~4 310), 67264#(<= ULTIMATE.start_main_~i~4 308), 67267#(<= ULTIMATE.start_main_~i~4 314), 67266#(<= ULTIMATE.start_main_~i~4 312), 67269#(<= ULTIMATE.start_main_~i~4 318), 67268#(<= ULTIMATE.start_main_~i~4 316)] [2018-07-23 13:38:31,355 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 13:38:31,355 INFO L450 AbstractCegarLoop]: Interpolant automaton has 162 states [2018-07-23 13:38:31,357 INFO L132 InterpolantAutomaton]: Constructing interpolant automaton starting with 162 interpolants. [2018-07-23 13:38:31,358 INFO L133 InterpolantAutomaton]: CoverageRelationStatistics Valid=13041, Invalid=13041, Unknown=0, NotChecked=0, Total=26082 [2018-07-23 13:38:31,358 INFO L87 Difference]: Start difference. First operand 163 states and 163 transitions. Second operand 162 states. [2018-07-23 13:38:31,781 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2018-07-23 13:38:31,781 INFO L93 Difference]: Finished difference Result 166 states and 166 transitions. [2018-07-23 13:38:31,781 INFO L142 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 162 states. [2018-07-23 13:38:31,781 INFO L78 Accepts]: Start accepts. Automaton has 162 states. Word has length 162 [2018-07-23 13:38:31,782 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2018-07-23 13:38:31,782 INFO L225 Difference]: With dead ends: 166 [2018-07-23 13:38:31,782 INFO L226 Difference]: Without dead ends: 164 [2018-07-23 13:38:31,783 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 13:38:31,783 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 164 states. [2018-07-23 13:38:31,785 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 164 to 164. [2018-07-23 13:38:31,786 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 164 states. [2018-07-23 13:38:31,786 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 164 states to 164 states and 164 transitions. [2018-07-23 13:38:31,786 INFO L78 Accepts]: Start accepts. Automaton has 164 states and 164 transitions. Word has length 162 [2018-07-23 13:38:31,786 INFO L84 Accepts]: Finished accepts. word is rejected. [2018-07-23 13:38:31,786 INFO L471 AbstractCegarLoop]: Abstraction has 164 states and 164 transitions. [2018-07-23 13:38:31,787 INFO L472 AbstractCegarLoop]: Interpolant automaton has 162 states. [2018-07-23 13:38:31,787 INFO L276 IsEmpty]: Start isEmpty. Operand 164 states and 164 transitions. [2018-07-23 13:38:31,787 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 164 [2018-07-23 13:38:31,787 INFO L349 BasicCegarLoop]: Found error trace [2018-07-23 13:38:31,787 INFO L357 BasicCegarLoop]: trace histogram [160, 1, 1, 1] [2018-07-23 13:38:31,788 INFO L414 AbstractCegarLoop]: === Iteration 161 === [ULTIMATE.startErr0AssertViolationASSERT]=== [2018-07-23 13:38:31,788 INFO L82 PathProgramCache]: Analyzing trace with hash 1326725953, now seen corresponding path program 160 times [2018-07-23 13:38:31,788 INFO L69 tionRefinementEngine]: Using refinement strategy FixedRefinementStrategy [2018-07-23 13:38:31,884 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-07-23 13:38:32,448 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 13:38:32,448 INFO L309 seRefinementStrategy]: Constructing automaton from 0 perfect and 1 imperfect interpolant sequences. [2018-07-23 13:38:32,448 INFO L324 seRefinementStrategy]: Number of different interpolants: perfect sequences [] imperfect sequences [162] total 162 [2018-07-23 13:38:32,448 INFO L142 lantAutomatonBuilder]: Constructing canonical interpolant automaton, with selfloop in false state [2018-07-23 13:38:32,449 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 13:38:32,449 INFO L185 omatonBuilderFactory]: Interpolants [67931#false, 67930#true, 67933#(<= ULTIMATE.start_main_~i~4 2), 67932#(<= ULTIMATE.start_main_~i~4 0), 67935#(<= ULTIMATE.start_main_~i~4 6), 67934#(<= ULTIMATE.start_main_~i~4 4), 67937#(<= ULTIMATE.start_main_~i~4 10), 67936#(<= ULTIMATE.start_main_~i~4 8), 67939#(<= ULTIMATE.start_main_~i~4 14), 67938#(<= ULTIMATE.start_main_~i~4 12), 67941#(<= ULTIMATE.start_main_~i~4 18), 67940#(<= ULTIMATE.start_main_~i~4 16), 67943#(<= ULTIMATE.start_main_~i~4 22), 67942#(<= ULTIMATE.start_main_~i~4 20), 67945#(<= ULTIMATE.start_main_~i~4 26), 67944#(<= ULTIMATE.start_main_~i~4 24), 67947#(<= ULTIMATE.start_main_~i~4 30), 67946#(<= ULTIMATE.start_main_~i~4 28), 67949#(<= ULTIMATE.start_main_~i~4 34), 67948#(<= ULTIMATE.start_main_~i~4 32), 67951#(<= ULTIMATE.start_main_~i~4 38), 67950#(<= ULTIMATE.start_main_~i~4 36), 67953#(<= ULTIMATE.start_main_~i~4 42), 67952#(<= ULTIMATE.start_main_~i~4 40), 67955#(<= ULTIMATE.start_main_~i~4 46), 67954#(<= ULTIMATE.start_main_~i~4 44), 67957#(<= ULTIMATE.start_main_~i~4 50), 67956#(<= ULTIMATE.start_main_~i~4 48), 67959#(<= ULTIMATE.start_main_~i~4 54), 67958#(<= ULTIMATE.start_main_~i~4 52), 67961#(<= ULTIMATE.start_main_~i~4 58), 67960#(<= ULTIMATE.start_main_~i~4 56), 67963#(<= ULTIMATE.start_main_~i~4 62), 67962#(<= ULTIMATE.start_main_~i~4 60), 67965#(<= ULTIMATE.start_main_~i~4 66), 67964#(<= ULTIMATE.start_main_~i~4 64), 67967#(<= ULTIMATE.start_main_~i~4 70), 67966#(<= ULTIMATE.start_main_~i~4 68), 67969#(<= ULTIMATE.start_main_~i~4 74), 67968#(<= ULTIMATE.start_main_~i~4 72), 67971#(<= ULTIMATE.start_main_~i~4 78), 67970#(<= ULTIMATE.start_main_~i~4 76), 67973#(<= ULTIMATE.start_main_~i~4 82), 67972#(<= ULTIMATE.start_main_~i~4 80), 67975#(<= ULTIMATE.start_main_~i~4 86), 67974#(<= ULTIMATE.start_main_~i~4 84), 67977#(<= ULTIMATE.start_main_~i~4 90), 67976#(<= ULTIMATE.start_main_~i~4 88), 67979#(<= ULTIMATE.start_main_~i~4 94), 67978#(<= ULTIMATE.start_main_~i~4 92), 67981#(<= ULTIMATE.start_main_~i~4 98), 67980#(<= ULTIMATE.start_main_~i~4 96), 67983#(<= ULTIMATE.start_main_~i~4 102), 67982#(<= ULTIMATE.start_main_~i~4 100), 67985#(<= ULTIMATE.start_main_~i~4 106), 67984#(<= ULTIMATE.start_main_~i~4 104), 67987#(<= ULTIMATE.start_main_~i~4 110), 67986#(<= ULTIMATE.start_main_~i~4 108), 67989#(<= ULTIMATE.start_main_~i~4 114), 67988#(<= ULTIMATE.start_main_~i~4 112), 67991#(<= ULTIMATE.start_main_~i~4 118), 67990#(<= ULTIMATE.start_main_~i~4 116), 67993#(<= ULTIMATE.start_main_~i~4 122), 67992#(<= ULTIMATE.start_main_~i~4 120), 67995#(<= ULTIMATE.start_main_~i~4 126), 67994#(<= ULTIMATE.start_main_~i~4 124), 67997#(<= ULTIMATE.start_main_~i~4 130), 67996#(<= ULTIMATE.start_main_~i~4 128), 67999#(<= ULTIMATE.start_main_~i~4 134), 67998#(<= ULTIMATE.start_main_~i~4 132), 68001#(<= ULTIMATE.start_main_~i~4 138), 68000#(<= ULTIMATE.start_main_~i~4 136), 68003#(<= ULTIMATE.start_main_~i~4 142), 68002#(<= ULTIMATE.start_main_~i~4 140), 68005#(<= ULTIMATE.start_main_~i~4 146), 68004#(<= ULTIMATE.start_main_~i~4 144), 68007#(<= ULTIMATE.start_main_~i~4 150), 68006#(<= ULTIMATE.start_main_~i~4 148), 68009#(<= ULTIMATE.start_main_~i~4 154), 68008#(<= ULTIMATE.start_main_~i~4 152), 68011#(<= ULTIMATE.start_main_~i~4 158), 68010#(<= ULTIMATE.start_main_~i~4 156), 68013#(<= ULTIMATE.start_main_~i~4 162), 68012#(<= ULTIMATE.start_main_~i~4 160), 68015#(<= ULTIMATE.start_main_~i~4 166), 68014#(<= ULTIMATE.start_main_~i~4 164), 68017#(<= ULTIMATE.start_main_~i~4 170), 68016#(<= ULTIMATE.start_main_~i~4 168), 68019#(<= ULTIMATE.start_main_~i~4 174), 68018#(<= ULTIMATE.start_main_~i~4 172), 68021#(<= ULTIMATE.start_main_~i~4 178), 68020#(<= ULTIMATE.start_main_~i~4 176), 68023#(<= ULTIMATE.start_main_~i~4 182), 68022#(<= ULTIMATE.start_main_~i~4 180), 68025#(<= ULTIMATE.start_main_~i~4 186), 68024#(<= ULTIMATE.start_main_~i~4 184), 68027#(<= ULTIMATE.start_main_~i~4 190), 68026#(<= ULTIMATE.start_main_~i~4 188), 68029#(<= ULTIMATE.start_main_~i~4 194), 68028#(<= ULTIMATE.start_main_~i~4 192), 68031#(<= ULTIMATE.start_main_~i~4 198), 68030#(<= ULTIMATE.start_main_~i~4 196), 68033#(<= ULTIMATE.start_main_~i~4 202), 68032#(<= ULTIMATE.start_main_~i~4 200), 68035#(<= ULTIMATE.start_main_~i~4 206), 68034#(<= ULTIMATE.start_main_~i~4 204), 68037#(<= ULTIMATE.start_main_~i~4 210), 68036#(<= ULTIMATE.start_main_~i~4 208), 68039#(<= ULTIMATE.start_main_~i~4 214), 68038#(<= ULTIMATE.start_main_~i~4 212), 68041#(<= ULTIMATE.start_main_~i~4 218), 68040#(<= ULTIMATE.start_main_~i~4 216), 68043#(<= ULTIMATE.start_main_~i~4 222), 68042#(<= ULTIMATE.start_main_~i~4 220), 68045#(<= ULTIMATE.start_main_~i~4 226), 68044#(<= ULTIMATE.start_main_~i~4 224), 68047#(<= ULTIMATE.start_main_~i~4 230), 68046#(<= ULTIMATE.start_main_~i~4 228), 68049#(<= ULTIMATE.start_main_~i~4 234), 68048#(<= ULTIMATE.start_main_~i~4 232), 68051#(<= ULTIMATE.start_main_~i~4 238), 68050#(<= ULTIMATE.start_main_~i~4 236), 68053#(<= ULTIMATE.start_main_~i~4 242), 68052#(<= ULTIMATE.start_main_~i~4 240), 68055#(<= ULTIMATE.start_main_~i~4 246), 68054#(<= ULTIMATE.start_main_~i~4 244), 68057#(<= ULTIMATE.start_main_~i~4 250), 68056#(<= ULTIMATE.start_main_~i~4 248), 68059#(<= ULTIMATE.start_main_~i~4 254), 68058#(<= ULTIMATE.start_main_~i~4 252), 68061#(<= ULTIMATE.start_main_~i~4 258), 68060#(<= ULTIMATE.start_main_~i~4 256), 68063#(<= ULTIMATE.start_main_~i~4 262), 68062#(<= ULTIMATE.start_main_~i~4 260), 68065#(<= ULTIMATE.start_main_~i~4 266), 68064#(<= ULTIMATE.start_main_~i~4 264), 68067#(<= ULTIMATE.start_main_~i~4 270), 68066#(<= ULTIMATE.start_main_~i~4 268), 68069#(<= ULTIMATE.start_main_~i~4 274), 68068#(<= ULTIMATE.start_main_~i~4 272), 68071#(<= ULTIMATE.start_main_~i~4 278), 68070#(<= ULTIMATE.start_main_~i~4 276), 68073#(<= ULTIMATE.start_main_~i~4 282), 68072#(<= ULTIMATE.start_main_~i~4 280), 68075#(<= ULTIMATE.start_main_~i~4 286), 68074#(<= ULTIMATE.start_main_~i~4 284), 68077#(<= ULTIMATE.start_main_~i~4 290), 68076#(<= ULTIMATE.start_main_~i~4 288), 68079#(<= ULTIMATE.start_main_~i~4 294), 68078#(<= ULTIMATE.start_main_~i~4 292), 68081#(<= ULTIMATE.start_main_~i~4 298), 68080#(<= ULTIMATE.start_main_~i~4 296), 68083#(<= ULTIMATE.start_main_~i~4 302), 68082#(<= ULTIMATE.start_main_~i~4 300), 68085#(<= ULTIMATE.start_main_~i~4 306), 68084#(<= ULTIMATE.start_main_~i~4 304), 68087#(<= ULTIMATE.start_main_~i~4 310), 68086#(<= ULTIMATE.start_main_~i~4 308), 68089#(<= ULTIMATE.start_main_~i~4 314), 68088#(<= ULTIMATE.start_main_~i~4 312), 68091#(<= ULTIMATE.start_main_~i~4 318), 68090#(<= ULTIMATE.start_main_~i~4 316), 68092#(<= ULTIMATE.start_main_~i~4 320)] [2018-07-23 13:38:32,450 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 13:38:32,450 INFO L450 AbstractCegarLoop]: Interpolant automaton has 163 states [2018-07-23 13:38:32,451 INFO L132 InterpolantAutomaton]: Constructing interpolant automaton starting with 163 interpolants. [2018-07-23 13:38:32,452 INFO L133 InterpolantAutomaton]: CoverageRelationStatistics Valid=13203, Invalid=13203, Unknown=0, NotChecked=0, Total=26406 [2018-07-23 13:38:32,452 INFO L87 Difference]: Start difference. First operand 164 states and 164 transitions. Second operand 163 states. [2018-07-23 13:38:32,860 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2018-07-23 13:38:32,860 INFO L93 Difference]: Finished difference Result 167 states and 167 transitions. [2018-07-23 13:38:32,860 INFO L142 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 163 states. [2018-07-23 13:38:32,860 INFO L78 Accepts]: Start accepts. Automaton has 163 states. Word has length 163 [2018-07-23 13:38:32,860 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2018-07-23 13:38:32,860 INFO L225 Difference]: With dead ends: 167 [2018-07-23 13:38:32,861 INFO L226 Difference]: Without dead ends: 165 [2018-07-23 13:38:32,862 INFO L575 BasicCegarLoop]: 0 DeclaredPredicates, 162 GetRequests, 1 SyntacticMatches, 0 SemanticMatches, 161 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 0 ImplicationChecksByTransitivity, 0.5s TimeCoverageRelationStatistics Valid=13203, Invalid=13203, Unknown=0, NotChecked=0, Total=26406 [2018-07-23 13:38:32,862 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 165 states. [2018-07-23 13:38:32,863 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 165 to 165. [2018-07-23 13:38:32,863 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 165 states. [2018-07-23 13:38:32,864 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 165 states to 165 states and 165 transitions. [2018-07-23 13:38:32,864 INFO L78 Accepts]: Start accepts. Automaton has 165 states and 165 transitions. Word has length 163 [2018-07-23 13:38:32,864 INFO L84 Accepts]: Finished accepts. word is rejected. [2018-07-23 13:38:32,864 INFO L471 AbstractCegarLoop]: Abstraction has 165 states and 165 transitions. [2018-07-23 13:38:32,864 INFO L472 AbstractCegarLoop]: Interpolant automaton has 163 states. [2018-07-23 13:38:32,864 INFO L276 IsEmpty]: Start isEmpty. Operand 165 states and 165 transitions. [2018-07-23 13:38:32,865 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 165 [2018-07-23 13:38:32,865 INFO L349 BasicCegarLoop]: Found error trace [2018-07-23 13:38:32,865 INFO L357 BasicCegarLoop]: trace histogram [161, 1, 1, 1] [2018-07-23 13:38:32,865 INFO L414 AbstractCegarLoop]: === Iteration 162 === [ULTIMATE.startErr0AssertViolationASSERT]=== [2018-07-23 13:38:32,865 INFO L82 PathProgramCache]: Analyzing trace with hash -1821170392, now seen corresponding path program 161 times [2018-07-23 13:38:32,865 INFO L69 tionRefinementEngine]: Using refinement strategy FixedRefinementStrategy [2018-07-23 13:38:32,963 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-07-23 13:38:33,607 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 13:38:33,607 INFO L309 seRefinementStrategy]: Constructing automaton from 0 perfect and 1 imperfect interpolant sequences. [2018-07-23 13:38:33,607 INFO L324 seRefinementStrategy]: Number of different interpolants: perfect sequences [] imperfect sequences [163] total 163 [2018-07-23 13:38:33,607 INFO L142 lantAutomatonBuilder]: Constructing canonical interpolant automaton, with selfloop in false state [2018-07-23 13:38:33,607 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2018-07-23 13:38:33,608 INFO L185 omatonBuilderFactory]: Interpolants [68865#(<= ULTIMATE.start_main_~i~4 212), 68864#(<= ULTIMATE.start_main_~i~4 210), 68867#(<= ULTIMATE.start_main_~i~4 216), 68866#(<= ULTIMATE.start_main_~i~4 214), 68869#(<= ULTIMATE.start_main_~i~4 220), 68868#(<= ULTIMATE.start_main_~i~4 218), 68871#(<= ULTIMATE.start_main_~i~4 224), 68870#(<= ULTIMATE.start_main_~i~4 222), 68873#(<= ULTIMATE.start_main_~i~4 228), 68872#(<= ULTIMATE.start_main_~i~4 226), 68875#(<= ULTIMATE.start_main_~i~4 232), 68874#(<= ULTIMATE.start_main_~i~4 230), 68877#(<= ULTIMATE.start_main_~i~4 236), 68876#(<= ULTIMATE.start_main_~i~4 234), 68879#(<= ULTIMATE.start_main_~i~4 240), 68878#(<= ULTIMATE.start_main_~i~4 238), 68881#(<= ULTIMATE.start_main_~i~4 244), 68880#(<= ULTIMATE.start_main_~i~4 242), 68883#(<= ULTIMATE.start_main_~i~4 248), 68882#(<= ULTIMATE.start_main_~i~4 246), 68885#(<= ULTIMATE.start_main_~i~4 252), 68884#(<= ULTIMATE.start_main_~i~4 250), 68887#(<= ULTIMATE.start_main_~i~4 256), 68886#(<= ULTIMATE.start_main_~i~4 254), 68889#(<= ULTIMATE.start_main_~i~4 260), 68888#(<= ULTIMATE.start_main_~i~4 258), 68891#(<= ULTIMATE.start_main_~i~4 264), 68890#(<= ULTIMATE.start_main_~i~4 262), 68893#(<= ULTIMATE.start_main_~i~4 268), 68892#(<= ULTIMATE.start_main_~i~4 266), 68895#(<= ULTIMATE.start_main_~i~4 272), 68894#(<= ULTIMATE.start_main_~i~4 270), 68897#(<= ULTIMATE.start_main_~i~4 276), 68896#(<= ULTIMATE.start_main_~i~4 274), 68899#(<= ULTIMATE.start_main_~i~4 280), 68898#(<= ULTIMATE.start_main_~i~4 278), 68901#(<= ULTIMATE.start_main_~i~4 284), 68900#(<= ULTIMATE.start_main_~i~4 282), 68903#(<= ULTIMATE.start_main_~i~4 288), 68902#(<= ULTIMATE.start_main_~i~4 286), 68905#(<= ULTIMATE.start_main_~i~4 292), 68904#(<= ULTIMATE.start_main_~i~4 290), 68907#(<= ULTIMATE.start_main_~i~4 296), 68906#(<= ULTIMATE.start_main_~i~4 294), 68909#(<= ULTIMATE.start_main_~i~4 300), 68908#(<= ULTIMATE.start_main_~i~4 298), 68911#(<= ULTIMATE.start_main_~i~4 304), 68910#(<= ULTIMATE.start_main_~i~4 302), 68913#(<= ULTIMATE.start_main_~i~4 308), 68912#(<= ULTIMATE.start_main_~i~4 306), 68915#(<= ULTIMATE.start_main_~i~4 312), 68914#(<= ULTIMATE.start_main_~i~4 310), 68917#(<= ULTIMATE.start_main_~i~4 316), 68916#(<= ULTIMATE.start_main_~i~4 314), 68919#(<= ULTIMATE.start_main_~i~4 320), 68918#(<= ULTIMATE.start_main_~i~4 318), 68920#(<= ULTIMATE.start_main_~i~4 322), 68757#true, 68759#(<= ULTIMATE.start_main_~i~4 0), 68758#false, 68761#(<= ULTIMATE.start_main_~i~4 4), 68760#(<= ULTIMATE.start_main_~i~4 2), 68763#(<= ULTIMATE.start_main_~i~4 8), 68762#(<= ULTIMATE.start_main_~i~4 6), 68765#(<= ULTIMATE.start_main_~i~4 12), 68764#(<= ULTIMATE.start_main_~i~4 10), 68767#(<= ULTIMATE.start_main_~i~4 16), 68766#(<= ULTIMATE.start_main_~i~4 14), 68769#(<= ULTIMATE.start_main_~i~4 20), 68768#(<= ULTIMATE.start_main_~i~4 18), 68771#(<= ULTIMATE.start_main_~i~4 24), 68770#(<= ULTIMATE.start_main_~i~4 22), 68773#(<= ULTIMATE.start_main_~i~4 28), 68772#(<= ULTIMATE.start_main_~i~4 26), 68775#(<= ULTIMATE.start_main_~i~4 32), 68774#(<= ULTIMATE.start_main_~i~4 30), 68777#(<= ULTIMATE.start_main_~i~4 36), 68776#(<= ULTIMATE.start_main_~i~4 34), 68779#(<= ULTIMATE.start_main_~i~4 40), 68778#(<= ULTIMATE.start_main_~i~4 38), 68781#(<= ULTIMATE.start_main_~i~4 44), 68780#(<= ULTIMATE.start_main_~i~4 42), 68783#(<= ULTIMATE.start_main_~i~4 48), 68782#(<= ULTIMATE.start_main_~i~4 46), 68785#(<= ULTIMATE.start_main_~i~4 52), 68784#(<= ULTIMATE.start_main_~i~4 50), 68787#(<= ULTIMATE.start_main_~i~4 56), 68786#(<= ULTIMATE.start_main_~i~4 54), 68789#(<= ULTIMATE.start_main_~i~4 60), 68788#(<= ULTIMATE.start_main_~i~4 58), 68791#(<= ULTIMATE.start_main_~i~4 64), 68790#(<= ULTIMATE.start_main_~i~4 62), 68793#(<= ULTIMATE.start_main_~i~4 68), 68792#(<= ULTIMATE.start_main_~i~4 66), 68795#(<= ULTIMATE.start_main_~i~4 72), 68794#(<= ULTIMATE.start_main_~i~4 70), 68797#(<= ULTIMATE.start_main_~i~4 76), 68796#(<= ULTIMATE.start_main_~i~4 74), 68799#(<= ULTIMATE.start_main_~i~4 80), 68798#(<= ULTIMATE.start_main_~i~4 78), 68801#(<= ULTIMATE.start_main_~i~4 84), 68800#(<= ULTIMATE.start_main_~i~4 82), 68803#(<= ULTIMATE.start_main_~i~4 88), 68802#(<= ULTIMATE.start_main_~i~4 86), 68805#(<= ULTIMATE.start_main_~i~4 92), 68804#(<= ULTIMATE.start_main_~i~4 90), 68807#(<= ULTIMATE.start_main_~i~4 96), 68806#(<= ULTIMATE.start_main_~i~4 94), 68809#(<= ULTIMATE.start_main_~i~4 100), 68808#(<= ULTIMATE.start_main_~i~4 98), 68811#(<= ULTIMATE.start_main_~i~4 104), 68810#(<= ULTIMATE.start_main_~i~4 102), 68813#(<= ULTIMATE.start_main_~i~4 108), 68812#(<= ULTIMATE.start_main_~i~4 106), 68815#(<= ULTIMATE.start_main_~i~4 112), 68814#(<= ULTIMATE.start_main_~i~4 110), 68817#(<= ULTIMATE.start_main_~i~4 116), 68816#(<= ULTIMATE.start_main_~i~4 114), 68819#(<= ULTIMATE.start_main_~i~4 120), 68818#(<= ULTIMATE.start_main_~i~4 118), 68821#(<= ULTIMATE.start_main_~i~4 124), 68820#(<= ULTIMATE.start_main_~i~4 122), 68823#(<= ULTIMATE.start_main_~i~4 128), 68822#(<= ULTIMATE.start_main_~i~4 126), 68825#(<= ULTIMATE.start_main_~i~4 132), 68824#(<= ULTIMATE.start_main_~i~4 130), 68827#(<= ULTIMATE.start_main_~i~4 136), 68826#(<= ULTIMATE.start_main_~i~4 134), 68829#(<= ULTIMATE.start_main_~i~4 140), 68828#(<= ULTIMATE.start_main_~i~4 138), 68831#(<= ULTIMATE.start_main_~i~4 144), 68830#(<= ULTIMATE.start_main_~i~4 142), 68833#(<= ULTIMATE.start_main_~i~4 148), 68832#(<= ULTIMATE.start_main_~i~4 146), 68835#(<= ULTIMATE.start_main_~i~4 152), 68834#(<= ULTIMATE.start_main_~i~4 150), 68837#(<= ULTIMATE.start_main_~i~4 156), 68836#(<= ULTIMATE.start_main_~i~4 154), 68839#(<= ULTIMATE.start_main_~i~4 160), 68838#(<= ULTIMATE.start_main_~i~4 158), 68841#(<= ULTIMATE.start_main_~i~4 164), 68840#(<= ULTIMATE.start_main_~i~4 162), 68843#(<= ULTIMATE.start_main_~i~4 168), 68842#(<= ULTIMATE.start_main_~i~4 166), 68845#(<= ULTIMATE.start_main_~i~4 172), 68844#(<= ULTIMATE.start_main_~i~4 170), 68847#(<= ULTIMATE.start_main_~i~4 176), 68846#(<= ULTIMATE.start_main_~i~4 174), 68849#(<= ULTIMATE.start_main_~i~4 180), 68848#(<= ULTIMATE.start_main_~i~4 178), 68851#(<= ULTIMATE.start_main_~i~4 184), 68850#(<= ULTIMATE.start_main_~i~4 182), 68853#(<= ULTIMATE.start_main_~i~4 188), 68852#(<= ULTIMATE.start_main_~i~4 186), 68855#(<= ULTIMATE.start_main_~i~4 192), 68854#(<= ULTIMATE.start_main_~i~4 190), 68857#(<= ULTIMATE.start_main_~i~4 196), 68856#(<= ULTIMATE.start_main_~i~4 194), 68859#(<= ULTIMATE.start_main_~i~4 200), 68858#(<= ULTIMATE.start_main_~i~4 198), 68861#(<= ULTIMATE.start_main_~i~4 204), 68860#(<= ULTIMATE.start_main_~i~4 202), 68863#(<= ULTIMATE.start_main_~i~4 208), 68862#(<= ULTIMATE.start_main_~i~4 206)] [2018-07-23 13:38:33,608 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 13:38:33,608 INFO L450 AbstractCegarLoop]: Interpolant automaton has 164 states [2018-07-23 13:38:33,609 INFO L132 InterpolantAutomaton]: Constructing interpolant automaton starting with 164 interpolants. [2018-07-23 13:38:33,610 INFO L133 InterpolantAutomaton]: CoverageRelationStatistics Valid=13366, Invalid=13366, Unknown=0, NotChecked=0, Total=26732 [2018-07-23 13:38:33,610 INFO L87 Difference]: Start difference. First operand 165 states and 165 transitions. Second operand 164 states. [2018-07-23 13:38:33,756 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2018-07-23 13:38:33,756 INFO L93 Difference]: Finished difference Result 168 states and 168 transitions. [2018-07-23 13:38:33,756 INFO L142 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 164 states. [2018-07-23 13:38:33,756 INFO L78 Accepts]: Start accepts. Automaton has 164 states. Word has length 164 [2018-07-23 13:38:33,756 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2018-07-23 13:38:33,757 INFO L225 Difference]: With dead ends: 168 [2018-07-23 13:38:33,757 INFO L226 Difference]: Without dead ends: 166 [2018-07-23 13:38:33,758 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 13:38:33,758 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 166 states. [2018-07-23 13:38:33,760 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 166 to 166. [2018-07-23 13:38:33,760 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 166 states. [2018-07-23 13:38:33,761 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 166 states to 166 states and 166 transitions. [2018-07-23 13:38:33,761 INFO L78 Accepts]: Start accepts. Automaton has 166 states and 166 transitions. Word has length 164 [2018-07-23 13:38:33,761 INFO L84 Accepts]: Finished accepts. word is rejected. [2018-07-23 13:38:33,761 INFO L471 AbstractCegarLoop]: Abstraction has 166 states and 166 transitions. [2018-07-23 13:38:33,761 INFO L472 AbstractCegarLoop]: Interpolant automaton has 164 states. [2018-07-23 13:38:33,761 INFO L276 IsEmpty]: Start isEmpty. Operand 166 states and 166 transitions. [2018-07-23 13:38:33,762 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 166 [2018-07-23 13:38:33,762 INFO L349 BasicCegarLoop]: Found error trace [2018-07-23 13:38:33,762 INFO L357 BasicCegarLoop]: trace histogram [162, 1, 1, 1] [2018-07-23 13:38:33,762 INFO L414 AbstractCegarLoop]: === Iteration 163 === [ULTIMATE.startErr0AssertViolationASSERT]=== [2018-07-23 13:38:33,762 INFO L82 PathProgramCache]: Analyzing trace with hash -621709279, now seen corresponding path program 162 times [2018-07-23 13:38:33,762 INFO L69 tionRefinementEngine]: Using refinement strategy FixedRefinementStrategy [2018-07-23 13:38:33,890 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-07-23 13:38:34,529 INFO L134 CoverageAnalysis]: Checked inductivity of 13203 backedges. 0 proven. 13203 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2018-07-23 13:38:34,529 INFO L309 seRefinementStrategy]: Constructing automaton from 0 perfect and 1 imperfect interpolant sequences. [2018-07-23 13:38:34,529 INFO L324 seRefinementStrategy]: Number of different interpolants: perfect sequences [] imperfect sequences [164] total 164 [2018-07-23 13:38:34,529 INFO L142 lantAutomatonBuilder]: Constructing canonical interpolant automaton, with selfloop in false state [2018-07-23 13:38:34,530 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 13:38:34,530 INFO L185 omatonBuilderFactory]: Interpolants [69633#(<= ULTIMATE.start_main_~i~4 84), 69632#(<= ULTIMATE.start_main_~i~4 82), 69635#(<= ULTIMATE.start_main_~i~4 88), 69634#(<= ULTIMATE.start_main_~i~4 86), 69637#(<= ULTIMATE.start_main_~i~4 92), 69636#(<= ULTIMATE.start_main_~i~4 90), 69639#(<= ULTIMATE.start_main_~i~4 96), 69638#(<= ULTIMATE.start_main_~i~4 94), 69641#(<= ULTIMATE.start_main_~i~4 100), 69640#(<= ULTIMATE.start_main_~i~4 98), 69643#(<= ULTIMATE.start_main_~i~4 104), 69642#(<= ULTIMATE.start_main_~i~4 102), 69645#(<= ULTIMATE.start_main_~i~4 108), 69644#(<= ULTIMATE.start_main_~i~4 106), 69647#(<= ULTIMATE.start_main_~i~4 112), 69646#(<= ULTIMATE.start_main_~i~4 110), 69649#(<= ULTIMATE.start_main_~i~4 116), 69648#(<= ULTIMATE.start_main_~i~4 114), 69651#(<= ULTIMATE.start_main_~i~4 120), 69650#(<= ULTIMATE.start_main_~i~4 118), 69653#(<= ULTIMATE.start_main_~i~4 124), 69652#(<= ULTIMATE.start_main_~i~4 122), 69655#(<= ULTIMATE.start_main_~i~4 128), 69654#(<= ULTIMATE.start_main_~i~4 126), 69657#(<= ULTIMATE.start_main_~i~4 132), 69656#(<= ULTIMATE.start_main_~i~4 130), 69659#(<= ULTIMATE.start_main_~i~4 136), 69658#(<= ULTIMATE.start_main_~i~4 134), 69661#(<= ULTIMATE.start_main_~i~4 140), 69660#(<= ULTIMATE.start_main_~i~4 138), 69663#(<= ULTIMATE.start_main_~i~4 144), 69662#(<= ULTIMATE.start_main_~i~4 142), 69665#(<= ULTIMATE.start_main_~i~4 148), 69664#(<= ULTIMATE.start_main_~i~4 146), 69667#(<= ULTIMATE.start_main_~i~4 152), 69666#(<= ULTIMATE.start_main_~i~4 150), 69669#(<= ULTIMATE.start_main_~i~4 156), 69668#(<= ULTIMATE.start_main_~i~4 154), 69671#(<= ULTIMATE.start_main_~i~4 160), 69670#(<= ULTIMATE.start_main_~i~4 158), 69673#(<= ULTIMATE.start_main_~i~4 164), 69672#(<= ULTIMATE.start_main_~i~4 162), 69675#(<= ULTIMATE.start_main_~i~4 168), 69674#(<= ULTIMATE.start_main_~i~4 166), 69677#(<= ULTIMATE.start_main_~i~4 172), 69676#(<= ULTIMATE.start_main_~i~4 170), 69679#(<= ULTIMATE.start_main_~i~4 176), 69678#(<= ULTIMATE.start_main_~i~4 174), 69681#(<= ULTIMATE.start_main_~i~4 180), 69680#(<= ULTIMATE.start_main_~i~4 178), 69683#(<= ULTIMATE.start_main_~i~4 184), 69682#(<= ULTIMATE.start_main_~i~4 182), 69685#(<= ULTIMATE.start_main_~i~4 188), 69684#(<= ULTIMATE.start_main_~i~4 186), 69687#(<= ULTIMATE.start_main_~i~4 192), 69686#(<= ULTIMATE.start_main_~i~4 190), 69689#(<= ULTIMATE.start_main_~i~4 196), 69688#(<= ULTIMATE.start_main_~i~4 194), 69691#(<= ULTIMATE.start_main_~i~4 200), 69690#(<= ULTIMATE.start_main_~i~4 198), 69693#(<= ULTIMATE.start_main_~i~4 204), 69692#(<= ULTIMATE.start_main_~i~4 202), 69695#(<= ULTIMATE.start_main_~i~4 208), 69694#(<= ULTIMATE.start_main_~i~4 206), 69697#(<= ULTIMATE.start_main_~i~4 212), 69696#(<= ULTIMATE.start_main_~i~4 210), 69699#(<= ULTIMATE.start_main_~i~4 216), 69698#(<= ULTIMATE.start_main_~i~4 214), 69701#(<= ULTIMATE.start_main_~i~4 220), 69700#(<= ULTIMATE.start_main_~i~4 218), 69703#(<= ULTIMATE.start_main_~i~4 224), 69702#(<= ULTIMATE.start_main_~i~4 222), 69705#(<= ULTIMATE.start_main_~i~4 228), 69704#(<= ULTIMATE.start_main_~i~4 226), 69707#(<= ULTIMATE.start_main_~i~4 232), 69706#(<= ULTIMATE.start_main_~i~4 230), 69709#(<= ULTIMATE.start_main_~i~4 236), 69708#(<= ULTIMATE.start_main_~i~4 234), 69711#(<= ULTIMATE.start_main_~i~4 240), 69710#(<= ULTIMATE.start_main_~i~4 238), 69713#(<= ULTIMATE.start_main_~i~4 244), 69712#(<= ULTIMATE.start_main_~i~4 242), 69715#(<= ULTIMATE.start_main_~i~4 248), 69714#(<= ULTIMATE.start_main_~i~4 246), 69717#(<= ULTIMATE.start_main_~i~4 252), 69716#(<= ULTIMATE.start_main_~i~4 250), 69719#(<= ULTIMATE.start_main_~i~4 256), 69718#(<= ULTIMATE.start_main_~i~4 254), 69721#(<= ULTIMATE.start_main_~i~4 260), 69720#(<= ULTIMATE.start_main_~i~4 258), 69723#(<= ULTIMATE.start_main_~i~4 264), 69722#(<= ULTIMATE.start_main_~i~4 262), 69725#(<= ULTIMATE.start_main_~i~4 268), 69724#(<= ULTIMATE.start_main_~i~4 266), 69727#(<= ULTIMATE.start_main_~i~4 272), 69726#(<= ULTIMATE.start_main_~i~4 270), 69729#(<= ULTIMATE.start_main_~i~4 276), 69728#(<= ULTIMATE.start_main_~i~4 274), 69731#(<= ULTIMATE.start_main_~i~4 280), 69730#(<= ULTIMATE.start_main_~i~4 278), 69733#(<= ULTIMATE.start_main_~i~4 284), 69732#(<= ULTIMATE.start_main_~i~4 282), 69735#(<= ULTIMATE.start_main_~i~4 288), 69734#(<= ULTIMATE.start_main_~i~4 286), 69737#(<= ULTIMATE.start_main_~i~4 292), 69736#(<= ULTIMATE.start_main_~i~4 290), 69739#(<= ULTIMATE.start_main_~i~4 296), 69738#(<= ULTIMATE.start_main_~i~4 294), 69741#(<= ULTIMATE.start_main_~i~4 300), 69740#(<= ULTIMATE.start_main_~i~4 298), 69743#(<= ULTIMATE.start_main_~i~4 304), 69742#(<= ULTIMATE.start_main_~i~4 302), 69745#(<= ULTIMATE.start_main_~i~4 308), 69744#(<= ULTIMATE.start_main_~i~4 306), 69747#(<= ULTIMATE.start_main_~i~4 312), 69746#(<= ULTIMATE.start_main_~i~4 310), 69749#(<= ULTIMATE.start_main_~i~4 316), 69748#(<= ULTIMATE.start_main_~i~4 314), 69751#(<= ULTIMATE.start_main_~i~4 320), 69750#(<= ULTIMATE.start_main_~i~4 318), 69753#(<= ULTIMATE.start_main_~i~4 324), 69752#(<= ULTIMATE.start_main_~i~4 322), 69589#true, 69591#(<= ULTIMATE.start_main_~i~4 0), 69590#false, 69593#(<= ULTIMATE.start_main_~i~4 4), 69592#(<= ULTIMATE.start_main_~i~4 2), 69595#(<= ULTIMATE.start_main_~i~4 8), 69594#(<= ULTIMATE.start_main_~i~4 6), 69597#(<= ULTIMATE.start_main_~i~4 12), 69596#(<= ULTIMATE.start_main_~i~4 10), 69599#(<= ULTIMATE.start_main_~i~4 16), 69598#(<= ULTIMATE.start_main_~i~4 14), 69601#(<= ULTIMATE.start_main_~i~4 20), 69600#(<= ULTIMATE.start_main_~i~4 18), 69603#(<= ULTIMATE.start_main_~i~4 24), 69602#(<= ULTIMATE.start_main_~i~4 22), 69605#(<= ULTIMATE.start_main_~i~4 28), 69604#(<= ULTIMATE.start_main_~i~4 26), 69607#(<= ULTIMATE.start_main_~i~4 32), 69606#(<= ULTIMATE.start_main_~i~4 30), 69609#(<= ULTIMATE.start_main_~i~4 36), 69608#(<= ULTIMATE.start_main_~i~4 34), 69611#(<= ULTIMATE.start_main_~i~4 40), 69610#(<= ULTIMATE.start_main_~i~4 38), 69613#(<= ULTIMATE.start_main_~i~4 44), 69612#(<= ULTIMATE.start_main_~i~4 42), 69615#(<= ULTIMATE.start_main_~i~4 48), 69614#(<= ULTIMATE.start_main_~i~4 46), 69617#(<= ULTIMATE.start_main_~i~4 52), 69616#(<= ULTIMATE.start_main_~i~4 50), 69619#(<= ULTIMATE.start_main_~i~4 56), 69618#(<= ULTIMATE.start_main_~i~4 54), 69621#(<= ULTIMATE.start_main_~i~4 60), 69620#(<= ULTIMATE.start_main_~i~4 58), 69623#(<= ULTIMATE.start_main_~i~4 64), 69622#(<= ULTIMATE.start_main_~i~4 62), 69625#(<= ULTIMATE.start_main_~i~4 68), 69624#(<= ULTIMATE.start_main_~i~4 66), 69627#(<= ULTIMATE.start_main_~i~4 72), 69626#(<= ULTIMATE.start_main_~i~4 70), 69629#(<= ULTIMATE.start_main_~i~4 76), 69628#(<= ULTIMATE.start_main_~i~4 74), 69631#(<= ULTIMATE.start_main_~i~4 80), 69630#(<= ULTIMATE.start_main_~i~4 78)] [2018-07-23 13:38:34,531 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 13:38:34,531 INFO L450 AbstractCegarLoop]: Interpolant automaton has 165 states [2018-07-23 13:38:34,533 INFO L132 InterpolantAutomaton]: Constructing interpolant automaton starting with 165 interpolants. [2018-07-23 13:38:34,534 INFO L133 InterpolantAutomaton]: CoverageRelationStatistics Valid=13530, Invalid=13530, Unknown=0, NotChecked=0, Total=27060 [2018-07-23 13:38:34,534 INFO L87 Difference]: Start difference. First operand 166 states and 166 transitions. Second operand 165 states. [2018-07-23 13:38:34,840 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2018-07-23 13:38:34,840 INFO L93 Difference]: Finished difference Result 169 states and 169 transitions. [2018-07-23 13:38:34,840 INFO L142 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 165 states. [2018-07-23 13:38:34,840 INFO L78 Accepts]: Start accepts. Automaton has 165 states. Word has length 165 [2018-07-23 13:38:34,840 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2018-07-23 13:38:34,841 INFO L225 Difference]: With dead ends: 169 [2018-07-23 13:38:34,841 INFO L226 Difference]: Without dead ends: 167 [2018-07-23 13:38:34,842 INFO L575 BasicCegarLoop]: 0 DeclaredPredicates, 164 GetRequests, 1 SyntacticMatches, 0 SemanticMatches, 163 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 0 ImplicationChecksByTransitivity, 0.5s TimeCoverageRelationStatistics Valid=13530, Invalid=13530, Unknown=0, NotChecked=0, Total=27060 [2018-07-23 13:38:34,842 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 167 states. [2018-07-23 13:38:34,843 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 167 to 167. [2018-07-23 13:38:34,844 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 167 states. [2018-07-23 13:38:34,844 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 167 states to 167 states and 167 transitions. [2018-07-23 13:38:34,844 INFO L78 Accepts]: Start accepts. Automaton has 167 states and 167 transitions. Word has length 165 [2018-07-23 13:38:34,844 INFO L84 Accepts]: Finished accepts. word is rejected. [2018-07-23 13:38:34,844 INFO L471 AbstractCegarLoop]: Abstraction has 167 states and 167 transitions. [2018-07-23 13:38:34,844 INFO L472 AbstractCegarLoop]: Interpolant automaton has 165 states. [2018-07-23 13:38:34,844 INFO L276 IsEmpty]: Start isEmpty. Operand 167 states and 167 transitions. [2018-07-23 13:38:34,845 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 167 [2018-07-23 13:38:34,845 INFO L349 BasicCegarLoop]: Found error trace [2018-07-23 13:38:34,845 INFO L357 BasicCegarLoop]: trace histogram [163, 1, 1, 1] [2018-07-23 13:38:34,845 INFO L414 AbstractCegarLoop]: === Iteration 164 === [ULTIMATE.startErr0AssertViolationASSERT]=== [2018-07-23 13:38:34,845 INFO L82 PathProgramCache]: Analyzing trace with hash -2093120440, now seen corresponding path program 163 times [2018-07-23 13:38:34,845 INFO L69 tionRefinementEngine]: Using refinement strategy FixedRefinementStrategy [2018-07-23 13:38:34,930 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-07-23 13:38:35,495 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 13:38:35,495 INFO L309 seRefinementStrategy]: Constructing automaton from 0 perfect and 1 imperfect interpolant sequences. [2018-07-23 13:38:35,495 INFO L324 seRefinementStrategy]: Number of different interpolants: perfect sequences [] imperfect sequences [165] total 165 [2018-07-23 13:38:35,495 INFO L142 lantAutomatonBuilder]: Constructing canonical interpolant automaton, with selfloop in false state [2018-07-23 13:38:35,496 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2018-07-23 13:38:35,496 INFO L185 omatonBuilderFactory]: Interpolants [70427#false, 70426#true, 70429#(<= ULTIMATE.start_main_~i~4 2), 70428#(<= ULTIMATE.start_main_~i~4 0), 70431#(<= ULTIMATE.start_main_~i~4 6), 70430#(<= ULTIMATE.start_main_~i~4 4), 70433#(<= ULTIMATE.start_main_~i~4 10), 70432#(<= ULTIMATE.start_main_~i~4 8), 70435#(<= ULTIMATE.start_main_~i~4 14), 70434#(<= ULTIMATE.start_main_~i~4 12), 70437#(<= ULTIMATE.start_main_~i~4 18), 70436#(<= ULTIMATE.start_main_~i~4 16), 70439#(<= ULTIMATE.start_main_~i~4 22), 70438#(<= ULTIMATE.start_main_~i~4 20), 70441#(<= ULTIMATE.start_main_~i~4 26), 70440#(<= ULTIMATE.start_main_~i~4 24), 70443#(<= ULTIMATE.start_main_~i~4 30), 70442#(<= ULTIMATE.start_main_~i~4 28), 70445#(<= ULTIMATE.start_main_~i~4 34), 70444#(<= ULTIMATE.start_main_~i~4 32), 70447#(<= ULTIMATE.start_main_~i~4 38), 70446#(<= ULTIMATE.start_main_~i~4 36), 70449#(<= ULTIMATE.start_main_~i~4 42), 70448#(<= ULTIMATE.start_main_~i~4 40), 70451#(<= ULTIMATE.start_main_~i~4 46), 70450#(<= ULTIMATE.start_main_~i~4 44), 70453#(<= ULTIMATE.start_main_~i~4 50), 70452#(<= ULTIMATE.start_main_~i~4 48), 70455#(<= ULTIMATE.start_main_~i~4 54), 70454#(<= ULTIMATE.start_main_~i~4 52), 70457#(<= ULTIMATE.start_main_~i~4 58), 70456#(<= ULTIMATE.start_main_~i~4 56), 70459#(<= ULTIMATE.start_main_~i~4 62), 70458#(<= ULTIMATE.start_main_~i~4 60), 70461#(<= ULTIMATE.start_main_~i~4 66), 70460#(<= ULTIMATE.start_main_~i~4 64), 70463#(<= ULTIMATE.start_main_~i~4 70), 70462#(<= ULTIMATE.start_main_~i~4 68), 70465#(<= ULTIMATE.start_main_~i~4 74), 70464#(<= ULTIMATE.start_main_~i~4 72), 70467#(<= ULTIMATE.start_main_~i~4 78), 70466#(<= ULTIMATE.start_main_~i~4 76), 70469#(<= ULTIMATE.start_main_~i~4 82), 70468#(<= ULTIMATE.start_main_~i~4 80), 70471#(<= ULTIMATE.start_main_~i~4 86), 70470#(<= ULTIMATE.start_main_~i~4 84), 70473#(<= ULTIMATE.start_main_~i~4 90), 70472#(<= ULTIMATE.start_main_~i~4 88), 70475#(<= ULTIMATE.start_main_~i~4 94), 70474#(<= ULTIMATE.start_main_~i~4 92), 70477#(<= ULTIMATE.start_main_~i~4 98), 70476#(<= ULTIMATE.start_main_~i~4 96), 70479#(<= ULTIMATE.start_main_~i~4 102), 70478#(<= ULTIMATE.start_main_~i~4 100), 70481#(<= ULTIMATE.start_main_~i~4 106), 70480#(<= ULTIMATE.start_main_~i~4 104), 70483#(<= ULTIMATE.start_main_~i~4 110), 70482#(<= ULTIMATE.start_main_~i~4 108), 70485#(<= ULTIMATE.start_main_~i~4 114), 70484#(<= ULTIMATE.start_main_~i~4 112), 70487#(<= ULTIMATE.start_main_~i~4 118), 70486#(<= ULTIMATE.start_main_~i~4 116), 70489#(<= ULTIMATE.start_main_~i~4 122), 70488#(<= ULTIMATE.start_main_~i~4 120), 70491#(<= ULTIMATE.start_main_~i~4 126), 70490#(<= ULTIMATE.start_main_~i~4 124), 70493#(<= ULTIMATE.start_main_~i~4 130), 70492#(<= ULTIMATE.start_main_~i~4 128), 70495#(<= ULTIMATE.start_main_~i~4 134), 70494#(<= ULTIMATE.start_main_~i~4 132), 70497#(<= ULTIMATE.start_main_~i~4 138), 70496#(<= ULTIMATE.start_main_~i~4 136), 70499#(<= ULTIMATE.start_main_~i~4 142), 70498#(<= ULTIMATE.start_main_~i~4 140), 70501#(<= ULTIMATE.start_main_~i~4 146), 70500#(<= ULTIMATE.start_main_~i~4 144), 70503#(<= ULTIMATE.start_main_~i~4 150), 70502#(<= ULTIMATE.start_main_~i~4 148), 70505#(<= ULTIMATE.start_main_~i~4 154), 70504#(<= ULTIMATE.start_main_~i~4 152), 70507#(<= ULTIMATE.start_main_~i~4 158), 70506#(<= ULTIMATE.start_main_~i~4 156), 70509#(<= ULTIMATE.start_main_~i~4 162), 70508#(<= ULTIMATE.start_main_~i~4 160), 70511#(<= ULTIMATE.start_main_~i~4 166), 70510#(<= ULTIMATE.start_main_~i~4 164), 70513#(<= ULTIMATE.start_main_~i~4 170), 70512#(<= ULTIMATE.start_main_~i~4 168), 70515#(<= ULTIMATE.start_main_~i~4 174), 70514#(<= ULTIMATE.start_main_~i~4 172), 70517#(<= ULTIMATE.start_main_~i~4 178), 70516#(<= ULTIMATE.start_main_~i~4 176), 70519#(<= ULTIMATE.start_main_~i~4 182), 70518#(<= ULTIMATE.start_main_~i~4 180), 70521#(<= ULTIMATE.start_main_~i~4 186), 70520#(<= ULTIMATE.start_main_~i~4 184), 70523#(<= ULTIMATE.start_main_~i~4 190), 70522#(<= ULTIMATE.start_main_~i~4 188), 70525#(<= ULTIMATE.start_main_~i~4 194), 70524#(<= ULTIMATE.start_main_~i~4 192), 70527#(<= ULTIMATE.start_main_~i~4 198), 70526#(<= ULTIMATE.start_main_~i~4 196), 70529#(<= ULTIMATE.start_main_~i~4 202), 70528#(<= ULTIMATE.start_main_~i~4 200), 70531#(<= ULTIMATE.start_main_~i~4 206), 70530#(<= ULTIMATE.start_main_~i~4 204), 70533#(<= ULTIMATE.start_main_~i~4 210), 70532#(<= ULTIMATE.start_main_~i~4 208), 70535#(<= ULTIMATE.start_main_~i~4 214), 70534#(<= ULTIMATE.start_main_~i~4 212), 70537#(<= ULTIMATE.start_main_~i~4 218), 70536#(<= ULTIMATE.start_main_~i~4 216), 70539#(<= ULTIMATE.start_main_~i~4 222), 70538#(<= ULTIMATE.start_main_~i~4 220), 70541#(<= ULTIMATE.start_main_~i~4 226), 70540#(<= ULTIMATE.start_main_~i~4 224), 70543#(<= ULTIMATE.start_main_~i~4 230), 70542#(<= ULTIMATE.start_main_~i~4 228), 70545#(<= ULTIMATE.start_main_~i~4 234), 70544#(<= ULTIMATE.start_main_~i~4 232), 70547#(<= ULTIMATE.start_main_~i~4 238), 70546#(<= ULTIMATE.start_main_~i~4 236), 70549#(<= ULTIMATE.start_main_~i~4 242), 70548#(<= ULTIMATE.start_main_~i~4 240), 70551#(<= ULTIMATE.start_main_~i~4 246), 70550#(<= ULTIMATE.start_main_~i~4 244), 70553#(<= ULTIMATE.start_main_~i~4 250), 70552#(<= ULTIMATE.start_main_~i~4 248), 70555#(<= ULTIMATE.start_main_~i~4 254), 70554#(<= ULTIMATE.start_main_~i~4 252), 70557#(<= ULTIMATE.start_main_~i~4 258), 70556#(<= ULTIMATE.start_main_~i~4 256), 70559#(<= ULTIMATE.start_main_~i~4 262), 70558#(<= ULTIMATE.start_main_~i~4 260), 70561#(<= ULTIMATE.start_main_~i~4 266), 70560#(<= ULTIMATE.start_main_~i~4 264), 70563#(<= ULTIMATE.start_main_~i~4 270), 70562#(<= ULTIMATE.start_main_~i~4 268), 70565#(<= ULTIMATE.start_main_~i~4 274), 70564#(<= ULTIMATE.start_main_~i~4 272), 70567#(<= ULTIMATE.start_main_~i~4 278), 70566#(<= ULTIMATE.start_main_~i~4 276), 70569#(<= ULTIMATE.start_main_~i~4 282), 70568#(<= ULTIMATE.start_main_~i~4 280), 70571#(<= ULTIMATE.start_main_~i~4 286), 70570#(<= ULTIMATE.start_main_~i~4 284), 70573#(<= ULTIMATE.start_main_~i~4 290), 70572#(<= ULTIMATE.start_main_~i~4 288), 70575#(<= ULTIMATE.start_main_~i~4 294), 70574#(<= ULTIMATE.start_main_~i~4 292), 70577#(<= ULTIMATE.start_main_~i~4 298), 70576#(<= ULTIMATE.start_main_~i~4 296), 70579#(<= ULTIMATE.start_main_~i~4 302), 70578#(<= ULTIMATE.start_main_~i~4 300), 70581#(<= ULTIMATE.start_main_~i~4 306), 70580#(<= ULTIMATE.start_main_~i~4 304), 70583#(<= ULTIMATE.start_main_~i~4 310), 70582#(<= ULTIMATE.start_main_~i~4 308), 70585#(<= ULTIMATE.start_main_~i~4 314), 70584#(<= ULTIMATE.start_main_~i~4 312), 70587#(<= ULTIMATE.start_main_~i~4 318), 70586#(<= ULTIMATE.start_main_~i~4 316), 70589#(<= ULTIMATE.start_main_~i~4 322), 70588#(<= ULTIMATE.start_main_~i~4 320), 70591#(<= ULTIMATE.start_main_~i~4 326), 70590#(<= ULTIMATE.start_main_~i~4 324)] [2018-07-23 13:38:35,497 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 13:38:35,497 INFO L450 AbstractCegarLoop]: Interpolant automaton has 166 states [2018-07-23 13:38:35,498 INFO L132 InterpolantAutomaton]: Constructing interpolant automaton starting with 166 interpolants. [2018-07-23 13:38:35,499 INFO L133 InterpolantAutomaton]: CoverageRelationStatistics Valid=13695, Invalid=13695, Unknown=0, NotChecked=0, Total=27390 [2018-07-23 13:38:35,499 INFO L87 Difference]: Start difference. First operand 167 states and 167 transitions. Second operand 166 states. [2018-07-23 13:38:35,977 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2018-07-23 13:38:35,978 INFO L93 Difference]: Finished difference Result 170 states and 170 transitions. [2018-07-23 13:38:35,978 INFO L142 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 166 states. [2018-07-23 13:38:35,978 INFO L78 Accepts]: Start accepts. Automaton has 166 states. Word has length 166 [2018-07-23 13:38:35,978 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2018-07-23 13:38:35,978 INFO L225 Difference]: With dead ends: 170 [2018-07-23 13:38:35,978 INFO L226 Difference]: Without dead ends: 168 [2018-07-23 13:38:35,979 INFO L575 BasicCegarLoop]: 0 DeclaredPredicates, 165 GetRequests, 1 SyntacticMatches, 0 SemanticMatches, 164 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 0 ImplicationChecksByTransitivity, 0.5s TimeCoverageRelationStatistics Valid=13695, Invalid=13695, Unknown=0, NotChecked=0, Total=27390 [2018-07-23 13:38:35,980 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 168 states. [2018-07-23 13:38:35,981 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 168 to 168. [2018-07-23 13:38:35,981 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 168 states. [2018-07-23 13:38:35,981 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 168 states to 168 states and 168 transitions. [2018-07-23 13:38:35,982 INFO L78 Accepts]: Start accepts. Automaton has 168 states and 168 transitions. Word has length 166 [2018-07-23 13:38:35,982 INFO L84 Accepts]: Finished accepts. word is rejected. [2018-07-23 13:38:35,982 INFO L471 AbstractCegarLoop]: Abstraction has 168 states and 168 transitions. [2018-07-23 13:38:35,982 INFO L472 AbstractCegarLoop]: Interpolant automaton has 166 states. [2018-07-23 13:38:35,982 INFO L276 IsEmpty]: Start isEmpty. Operand 168 states and 168 transitions. [2018-07-23 13:38:35,982 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 168 [2018-07-23 13:38:35,982 INFO L349 BasicCegarLoop]: Found error trace [2018-07-23 13:38:35,982 INFO L357 BasicCegarLoop]: trace histogram [164, 1, 1, 1] [2018-07-23 13:38:35,983 INFO L414 AbstractCegarLoop]: === Iteration 165 === [ULTIMATE.startErr0AssertViolationASSERT]=== [2018-07-23 13:38:35,983 INFO L82 PathProgramCache]: Analyzing trace with hash -462226175, now seen corresponding path program 164 times [2018-07-23 13:38:35,983 INFO L69 tionRefinementEngine]: Using refinement strategy FixedRefinementStrategy [2018-07-23 13:38:36,068 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-07-23 13:38:36,646 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 13:38:36,647 INFO L309 seRefinementStrategy]: Constructing automaton from 0 perfect and 1 imperfect interpolant sequences. [2018-07-23 13:38:36,647 INFO L324 seRefinementStrategy]: Number of different interpolants: perfect sequences [] imperfect sequences [166] total 166 [2018-07-23 13:38:36,647 INFO L142 lantAutomatonBuilder]: Constructing canonical interpolant automaton, with selfloop in false state [2018-07-23 13:38:36,647 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2018-07-23 13:38:36,647 INFO L185 omatonBuilderFactory]: Interpolants [71425#(<= ULTIMATE.start_main_~i~4 310), 71424#(<= ULTIMATE.start_main_~i~4 308), 71427#(<= ULTIMATE.start_main_~i~4 314), 71426#(<= ULTIMATE.start_main_~i~4 312), 71429#(<= ULTIMATE.start_main_~i~4 318), 71428#(<= ULTIMATE.start_main_~i~4 316), 71431#(<= ULTIMATE.start_main_~i~4 322), 71430#(<= ULTIMATE.start_main_~i~4 320), 71433#(<= ULTIMATE.start_main_~i~4 326), 71432#(<= ULTIMATE.start_main_~i~4 324), 71434#(<= ULTIMATE.start_main_~i~4 328), 71269#false, 71268#true, 71271#(<= ULTIMATE.start_main_~i~4 2), 71270#(<= ULTIMATE.start_main_~i~4 0), 71273#(<= ULTIMATE.start_main_~i~4 6), 71272#(<= ULTIMATE.start_main_~i~4 4), 71275#(<= ULTIMATE.start_main_~i~4 10), 71274#(<= ULTIMATE.start_main_~i~4 8), 71277#(<= ULTIMATE.start_main_~i~4 14), 71276#(<= ULTIMATE.start_main_~i~4 12), 71279#(<= ULTIMATE.start_main_~i~4 18), 71278#(<= ULTIMATE.start_main_~i~4 16), 71281#(<= ULTIMATE.start_main_~i~4 22), 71280#(<= ULTIMATE.start_main_~i~4 20), 71283#(<= ULTIMATE.start_main_~i~4 26), 71282#(<= ULTIMATE.start_main_~i~4 24), 71285#(<= ULTIMATE.start_main_~i~4 30), 71284#(<= ULTIMATE.start_main_~i~4 28), 71287#(<= ULTIMATE.start_main_~i~4 34), 71286#(<= ULTIMATE.start_main_~i~4 32), 71289#(<= ULTIMATE.start_main_~i~4 38), 71288#(<= ULTIMATE.start_main_~i~4 36), 71291#(<= ULTIMATE.start_main_~i~4 42), 71290#(<= ULTIMATE.start_main_~i~4 40), 71293#(<= ULTIMATE.start_main_~i~4 46), 71292#(<= ULTIMATE.start_main_~i~4 44), 71295#(<= ULTIMATE.start_main_~i~4 50), 71294#(<= ULTIMATE.start_main_~i~4 48), 71297#(<= ULTIMATE.start_main_~i~4 54), 71296#(<= ULTIMATE.start_main_~i~4 52), 71299#(<= ULTIMATE.start_main_~i~4 58), 71298#(<= ULTIMATE.start_main_~i~4 56), 71301#(<= ULTIMATE.start_main_~i~4 62), 71300#(<= ULTIMATE.start_main_~i~4 60), 71303#(<= ULTIMATE.start_main_~i~4 66), 71302#(<= ULTIMATE.start_main_~i~4 64), 71305#(<= ULTIMATE.start_main_~i~4 70), 71304#(<= ULTIMATE.start_main_~i~4 68), 71307#(<= ULTIMATE.start_main_~i~4 74), 71306#(<= ULTIMATE.start_main_~i~4 72), 71309#(<= ULTIMATE.start_main_~i~4 78), 71308#(<= ULTIMATE.start_main_~i~4 76), 71311#(<= ULTIMATE.start_main_~i~4 82), 71310#(<= ULTIMATE.start_main_~i~4 80), 71313#(<= ULTIMATE.start_main_~i~4 86), 71312#(<= ULTIMATE.start_main_~i~4 84), 71315#(<= ULTIMATE.start_main_~i~4 90), 71314#(<= ULTIMATE.start_main_~i~4 88), 71317#(<= ULTIMATE.start_main_~i~4 94), 71316#(<= ULTIMATE.start_main_~i~4 92), 71319#(<= ULTIMATE.start_main_~i~4 98), 71318#(<= ULTIMATE.start_main_~i~4 96), 71321#(<= ULTIMATE.start_main_~i~4 102), 71320#(<= ULTIMATE.start_main_~i~4 100), 71323#(<= ULTIMATE.start_main_~i~4 106), 71322#(<= ULTIMATE.start_main_~i~4 104), 71325#(<= ULTIMATE.start_main_~i~4 110), 71324#(<= ULTIMATE.start_main_~i~4 108), 71327#(<= ULTIMATE.start_main_~i~4 114), 71326#(<= ULTIMATE.start_main_~i~4 112), 71329#(<= ULTIMATE.start_main_~i~4 118), 71328#(<= ULTIMATE.start_main_~i~4 116), 71331#(<= ULTIMATE.start_main_~i~4 122), 71330#(<= ULTIMATE.start_main_~i~4 120), 71333#(<= ULTIMATE.start_main_~i~4 126), 71332#(<= ULTIMATE.start_main_~i~4 124), 71335#(<= ULTIMATE.start_main_~i~4 130), 71334#(<= ULTIMATE.start_main_~i~4 128), 71337#(<= ULTIMATE.start_main_~i~4 134), 71336#(<= ULTIMATE.start_main_~i~4 132), 71339#(<= ULTIMATE.start_main_~i~4 138), 71338#(<= ULTIMATE.start_main_~i~4 136), 71341#(<= ULTIMATE.start_main_~i~4 142), 71340#(<= ULTIMATE.start_main_~i~4 140), 71343#(<= ULTIMATE.start_main_~i~4 146), 71342#(<= ULTIMATE.start_main_~i~4 144), 71345#(<= ULTIMATE.start_main_~i~4 150), 71344#(<= ULTIMATE.start_main_~i~4 148), 71347#(<= ULTIMATE.start_main_~i~4 154), 71346#(<= ULTIMATE.start_main_~i~4 152), 71349#(<= ULTIMATE.start_main_~i~4 158), 71348#(<= ULTIMATE.start_main_~i~4 156), 71351#(<= ULTIMATE.start_main_~i~4 162), 71350#(<= ULTIMATE.start_main_~i~4 160), 71353#(<= ULTIMATE.start_main_~i~4 166), 71352#(<= ULTIMATE.start_main_~i~4 164), 71355#(<= ULTIMATE.start_main_~i~4 170), 71354#(<= ULTIMATE.start_main_~i~4 168), 71357#(<= ULTIMATE.start_main_~i~4 174), 71356#(<= ULTIMATE.start_main_~i~4 172), 71359#(<= ULTIMATE.start_main_~i~4 178), 71358#(<= ULTIMATE.start_main_~i~4 176), 71361#(<= ULTIMATE.start_main_~i~4 182), 71360#(<= ULTIMATE.start_main_~i~4 180), 71363#(<= ULTIMATE.start_main_~i~4 186), 71362#(<= ULTIMATE.start_main_~i~4 184), 71365#(<= ULTIMATE.start_main_~i~4 190), 71364#(<= ULTIMATE.start_main_~i~4 188), 71367#(<= ULTIMATE.start_main_~i~4 194), 71366#(<= ULTIMATE.start_main_~i~4 192), 71369#(<= ULTIMATE.start_main_~i~4 198), 71368#(<= ULTIMATE.start_main_~i~4 196), 71371#(<= ULTIMATE.start_main_~i~4 202), 71370#(<= ULTIMATE.start_main_~i~4 200), 71373#(<= ULTIMATE.start_main_~i~4 206), 71372#(<= ULTIMATE.start_main_~i~4 204), 71375#(<= ULTIMATE.start_main_~i~4 210), 71374#(<= ULTIMATE.start_main_~i~4 208), 71377#(<= ULTIMATE.start_main_~i~4 214), 71376#(<= ULTIMATE.start_main_~i~4 212), 71379#(<= ULTIMATE.start_main_~i~4 218), 71378#(<= ULTIMATE.start_main_~i~4 216), 71381#(<= ULTIMATE.start_main_~i~4 222), 71380#(<= ULTIMATE.start_main_~i~4 220), 71383#(<= ULTIMATE.start_main_~i~4 226), 71382#(<= ULTIMATE.start_main_~i~4 224), 71385#(<= ULTIMATE.start_main_~i~4 230), 71384#(<= ULTIMATE.start_main_~i~4 228), 71387#(<= ULTIMATE.start_main_~i~4 234), 71386#(<= ULTIMATE.start_main_~i~4 232), 71389#(<= ULTIMATE.start_main_~i~4 238), 71388#(<= ULTIMATE.start_main_~i~4 236), 71391#(<= ULTIMATE.start_main_~i~4 242), 71390#(<= ULTIMATE.start_main_~i~4 240), 71393#(<= ULTIMATE.start_main_~i~4 246), 71392#(<= ULTIMATE.start_main_~i~4 244), 71395#(<= ULTIMATE.start_main_~i~4 250), 71394#(<= ULTIMATE.start_main_~i~4 248), 71397#(<= ULTIMATE.start_main_~i~4 254), 71396#(<= ULTIMATE.start_main_~i~4 252), 71399#(<= ULTIMATE.start_main_~i~4 258), 71398#(<= ULTIMATE.start_main_~i~4 256), 71401#(<= ULTIMATE.start_main_~i~4 262), 71400#(<= ULTIMATE.start_main_~i~4 260), 71403#(<= ULTIMATE.start_main_~i~4 266), 71402#(<= ULTIMATE.start_main_~i~4 264), 71405#(<= ULTIMATE.start_main_~i~4 270), 71404#(<= ULTIMATE.start_main_~i~4 268), 71407#(<= ULTIMATE.start_main_~i~4 274), 71406#(<= ULTIMATE.start_main_~i~4 272), 71409#(<= ULTIMATE.start_main_~i~4 278), 71408#(<= ULTIMATE.start_main_~i~4 276), 71411#(<= ULTIMATE.start_main_~i~4 282), 71410#(<= ULTIMATE.start_main_~i~4 280), 71413#(<= ULTIMATE.start_main_~i~4 286), 71412#(<= ULTIMATE.start_main_~i~4 284), 71415#(<= ULTIMATE.start_main_~i~4 290), 71414#(<= ULTIMATE.start_main_~i~4 288), 71417#(<= ULTIMATE.start_main_~i~4 294), 71416#(<= ULTIMATE.start_main_~i~4 292), 71419#(<= ULTIMATE.start_main_~i~4 298), 71418#(<= ULTIMATE.start_main_~i~4 296), 71421#(<= ULTIMATE.start_main_~i~4 302), 71420#(<= ULTIMATE.start_main_~i~4 300), 71423#(<= ULTIMATE.start_main_~i~4 306), 71422#(<= ULTIMATE.start_main_~i~4 304)] [2018-07-23 13:38:36,648 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 13:38:36,648 INFO L450 AbstractCegarLoop]: Interpolant automaton has 167 states [2018-07-23 13:38:36,650 INFO L132 InterpolantAutomaton]: Constructing interpolant automaton starting with 167 interpolants. [2018-07-23 13:38:36,651 INFO L133 InterpolantAutomaton]: CoverageRelationStatistics Valid=13861, Invalid=13861, Unknown=0, NotChecked=0, Total=27722 [2018-07-23 13:38:36,651 INFO L87 Difference]: Start difference. First operand 168 states and 168 transitions. Second operand 167 states. [2018-07-23 13:38:37,021 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2018-07-23 13:38:37,021 INFO L93 Difference]: Finished difference Result 171 states and 171 transitions. [2018-07-23 13:38:37,021 INFO L142 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 167 states. [2018-07-23 13:38:37,021 INFO L78 Accepts]: Start accepts. Automaton has 167 states. Word has length 167 [2018-07-23 13:38:37,021 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2018-07-23 13:38:37,022 INFO L225 Difference]: With dead ends: 171 [2018-07-23 13:38:37,022 INFO L226 Difference]: Without dead ends: 169 [2018-07-23 13:38:37,023 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 13:38:37,023 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 169 states. [2018-07-23 13:38:37,025 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 169 to 169. [2018-07-23 13:38:37,025 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 169 states. [2018-07-23 13:38:37,025 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 169 states to 169 states and 169 transitions. [2018-07-23 13:38:37,025 INFO L78 Accepts]: Start accepts. Automaton has 169 states and 169 transitions. Word has length 167 [2018-07-23 13:38:37,025 INFO L84 Accepts]: Finished accepts. word is rejected. [2018-07-23 13:38:37,025 INFO L471 AbstractCegarLoop]: Abstraction has 169 states and 169 transitions. [2018-07-23 13:38:37,025 INFO L472 AbstractCegarLoop]: Interpolant automaton has 167 states. [2018-07-23 13:38:37,025 INFO L276 IsEmpty]: Start isEmpty. Operand 169 states and 169 transitions. [2018-07-23 13:38:37,026 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 169 [2018-07-23 13:38:37,026 INFO L349 BasicCegarLoop]: Found error trace [2018-07-23 13:38:37,026 INFO L357 BasicCegarLoop]: trace histogram [165, 1, 1, 1] [2018-07-23 13:38:37,026 INFO L414 AbstractCegarLoop]: === Iteration 166 === [ULTIMATE.startErr0AssertViolationASSERT]=== [2018-07-23 13:38:37,026 INFO L82 PathProgramCache]: Analyzing trace with hash -1444111512, now seen corresponding path program 165 times [2018-07-23 13:38:37,026 INFO L69 tionRefinementEngine]: Using refinement strategy FixedRefinementStrategy [2018-07-23 13:38:37,107 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-07-23 13:38:37,710 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 13:38:37,710 INFO L309 seRefinementStrategy]: Constructing automaton from 0 perfect and 1 imperfect interpolant sequences. [2018-07-23 13:38:37,710 INFO L324 seRefinementStrategy]: Number of different interpolants: perfect sequences [] imperfect sequences [167] total 167 [2018-07-23 13:38:37,710 INFO L142 lantAutomatonBuilder]: Constructing canonical interpolant automaton, with selfloop in false state [2018-07-23 13:38:37,711 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2018-07-23 13:38:37,711 INFO L185 omatonBuilderFactory]: Interpolants [72193#(<= ULTIMATE.start_main_~i~4 152), 72192#(<= ULTIMATE.start_main_~i~4 150), 72195#(<= ULTIMATE.start_main_~i~4 156), 72194#(<= ULTIMATE.start_main_~i~4 154), 72197#(<= ULTIMATE.start_main_~i~4 160), 72196#(<= ULTIMATE.start_main_~i~4 158), 72199#(<= ULTIMATE.start_main_~i~4 164), 72198#(<= ULTIMATE.start_main_~i~4 162), 72201#(<= ULTIMATE.start_main_~i~4 168), 72200#(<= ULTIMATE.start_main_~i~4 166), 72203#(<= ULTIMATE.start_main_~i~4 172), 72202#(<= ULTIMATE.start_main_~i~4 170), 72205#(<= ULTIMATE.start_main_~i~4 176), 72204#(<= ULTIMATE.start_main_~i~4 174), 72207#(<= ULTIMATE.start_main_~i~4 180), 72206#(<= ULTIMATE.start_main_~i~4 178), 72209#(<= ULTIMATE.start_main_~i~4 184), 72208#(<= ULTIMATE.start_main_~i~4 182), 72211#(<= ULTIMATE.start_main_~i~4 188), 72210#(<= ULTIMATE.start_main_~i~4 186), 72213#(<= ULTIMATE.start_main_~i~4 192), 72212#(<= ULTIMATE.start_main_~i~4 190), 72215#(<= ULTIMATE.start_main_~i~4 196), 72214#(<= ULTIMATE.start_main_~i~4 194), 72217#(<= ULTIMATE.start_main_~i~4 200), 72216#(<= ULTIMATE.start_main_~i~4 198), 72219#(<= ULTIMATE.start_main_~i~4 204), 72218#(<= ULTIMATE.start_main_~i~4 202), 72221#(<= ULTIMATE.start_main_~i~4 208), 72220#(<= ULTIMATE.start_main_~i~4 206), 72223#(<= ULTIMATE.start_main_~i~4 212), 72222#(<= ULTIMATE.start_main_~i~4 210), 72225#(<= ULTIMATE.start_main_~i~4 216), 72224#(<= ULTIMATE.start_main_~i~4 214), 72227#(<= ULTIMATE.start_main_~i~4 220), 72226#(<= ULTIMATE.start_main_~i~4 218), 72229#(<= ULTIMATE.start_main_~i~4 224), 72228#(<= ULTIMATE.start_main_~i~4 222), 72231#(<= ULTIMATE.start_main_~i~4 228), 72230#(<= ULTIMATE.start_main_~i~4 226), 72233#(<= ULTIMATE.start_main_~i~4 232), 72232#(<= ULTIMATE.start_main_~i~4 230), 72235#(<= ULTIMATE.start_main_~i~4 236), 72234#(<= ULTIMATE.start_main_~i~4 234), 72237#(<= ULTIMATE.start_main_~i~4 240), 72236#(<= ULTIMATE.start_main_~i~4 238), 72239#(<= ULTIMATE.start_main_~i~4 244), 72238#(<= ULTIMATE.start_main_~i~4 242), 72241#(<= ULTIMATE.start_main_~i~4 248), 72240#(<= ULTIMATE.start_main_~i~4 246), 72243#(<= ULTIMATE.start_main_~i~4 252), 72242#(<= ULTIMATE.start_main_~i~4 250), 72245#(<= ULTIMATE.start_main_~i~4 256), 72244#(<= ULTIMATE.start_main_~i~4 254), 72247#(<= ULTIMATE.start_main_~i~4 260), 72246#(<= ULTIMATE.start_main_~i~4 258), 72249#(<= ULTIMATE.start_main_~i~4 264), 72248#(<= ULTIMATE.start_main_~i~4 262), 72251#(<= ULTIMATE.start_main_~i~4 268), 72250#(<= ULTIMATE.start_main_~i~4 266), 72253#(<= ULTIMATE.start_main_~i~4 272), 72252#(<= ULTIMATE.start_main_~i~4 270), 72255#(<= ULTIMATE.start_main_~i~4 276), 72254#(<= ULTIMATE.start_main_~i~4 274), 72257#(<= ULTIMATE.start_main_~i~4 280), 72256#(<= ULTIMATE.start_main_~i~4 278), 72259#(<= ULTIMATE.start_main_~i~4 284), 72258#(<= ULTIMATE.start_main_~i~4 282), 72261#(<= ULTIMATE.start_main_~i~4 288), 72260#(<= ULTIMATE.start_main_~i~4 286), 72263#(<= ULTIMATE.start_main_~i~4 292), 72262#(<= ULTIMATE.start_main_~i~4 290), 72265#(<= ULTIMATE.start_main_~i~4 296), 72264#(<= ULTIMATE.start_main_~i~4 294), 72267#(<= ULTIMATE.start_main_~i~4 300), 72266#(<= ULTIMATE.start_main_~i~4 298), 72269#(<= ULTIMATE.start_main_~i~4 304), 72268#(<= ULTIMATE.start_main_~i~4 302), 72271#(<= ULTIMATE.start_main_~i~4 308), 72270#(<= ULTIMATE.start_main_~i~4 306), 72273#(<= ULTIMATE.start_main_~i~4 312), 72272#(<= ULTIMATE.start_main_~i~4 310), 72275#(<= ULTIMATE.start_main_~i~4 316), 72274#(<= ULTIMATE.start_main_~i~4 314), 72277#(<= ULTIMATE.start_main_~i~4 320), 72276#(<= ULTIMATE.start_main_~i~4 318), 72279#(<= ULTIMATE.start_main_~i~4 324), 72278#(<= ULTIMATE.start_main_~i~4 322), 72281#(<= ULTIMATE.start_main_~i~4 328), 72280#(<= ULTIMATE.start_main_~i~4 326), 72282#(<= ULTIMATE.start_main_~i~4 330), 72115#true, 72117#(<= ULTIMATE.start_main_~i~4 0), 72116#false, 72119#(<= ULTIMATE.start_main_~i~4 4), 72118#(<= ULTIMATE.start_main_~i~4 2), 72121#(<= ULTIMATE.start_main_~i~4 8), 72120#(<= ULTIMATE.start_main_~i~4 6), 72123#(<= ULTIMATE.start_main_~i~4 12), 72122#(<= ULTIMATE.start_main_~i~4 10), 72125#(<= ULTIMATE.start_main_~i~4 16), 72124#(<= ULTIMATE.start_main_~i~4 14), 72127#(<= ULTIMATE.start_main_~i~4 20), 72126#(<= ULTIMATE.start_main_~i~4 18), 72129#(<= ULTIMATE.start_main_~i~4 24), 72128#(<= ULTIMATE.start_main_~i~4 22), 72131#(<= ULTIMATE.start_main_~i~4 28), 72130#(<= ULTIMATE.start_main_~i~4 26), 72133#(<= ULTIMATE.start_main_~i~4 32), 72132#(<= ULTIMATE.start_main_~i~4 30), 72135#(<= ULTIMATE.start_main_~i~4 36), 72134#(<= ULTIMATE.start_main_~i~4 34), 72137#(<= ULTIMATE.start_main_~i~4 40), 72136#(<= ULTIMATE.start_main_~i~4 38), 72139#(<= ULTIMATE.start_main_~i~4 44), 72138#(<= ULTIMATE.start_main_~i~4 42), 72141#(<= ULTIMATE.start_main_~i~4 48), 72140#(<= ULTIMATE.start_main_~i~4 46), 72143#(<= ULTIMATE.start_main_~i~4 52), 72142#(<= ULTIMATE.start_main_~i~4 50), 72145#(<= ULTIMATE.start_main_~i~4 56), 72144#(<= ULTIMATE.start_main_~i~4 54), 72147#(<= ULTIMATE.start_main_~i~4 60), 72146#(<= ULTIMATE.start_main_~i~4 58), 72149#(<= ULTIMATE.start_main_~i~4 64), 72148#(<= ULTIMATE.start_main_~i~4 62), 72151#(<= ULTIMATE.start_main_~i~4 68), 72150#(<= ULTIMATE.start_main_~i~4 66), 72153#(<= ULTIMATE.start_main_~i~4 72), 72152#(<= ULTIMATE.start_main_~i~4 70), 72155#(<= ULTIMATE.start_main_~i~4 76), 72154#(<= ULTIMATE.start_main_~i~4 74), 72157#(<= ULTIMATE.start_main_~i~4 80), 72156#(<= ULTIMATE.start_main_~i~4 78), 72159#(<= ULTIMATE.start_main_~i~4 84), 72158#(<= ULTIMATE.start_main_~i~4 82), 72161#(<= ULTIMATE.start_main_~i~4 88), 72160#(<= ULTIMATE.start_main_~i~4 86), 72163#(<= ULTIMATE.start_main_~i~4 92), 72162#(<= ULTIMATE.start_main_~i~4 90), 72165#(<= ULTIMATE.start_main_~i~4 96), 72164#(<= ULTIMATE.start_main_~i~4 94), 72167#(<= ULTIMATE.start_main_~i~4 100), 72166#(<= ULTIMATE.start_main_~i~4 98), 72169#(<= ULTIMATE.start_main_~i~4 104), 72168#(<= ULTIMATE.start_main_~i~4 102), 72171#(<= ULTIMATE.start_main_~i~4 108), 72170#(<= ULTIMATE.start_main_~i~4 106), 72173#(<= ULTIMATE.start_main_~i~4 112), 72172#(<= ULTIMATE.start_main_~i~4 110), 72175#(<= ULTIMATE.start_main_~i~4 116), 72174#(<= ULTIMATE.start_main_~i~4 114), 72177#(<= ULTIMATE.start_main_~i~4 120), 72176#(<= ULTIMATE.start_main_~i~4 118), 72179#(<= ULTIMATE.start_main_~i~4 124), 72178#(<= ULTIMATE.start_main_~i~4 122), 72181#(<= ULTIMATE.start_main_~i~4 128), 72180#(<= ULTIMATE.start_main_~i~4 126), 72183#(<= ULTIMATE.start_main_~i~4 132), 72182#(<= ULTIMATE.start_main_~i~4 130), 72185#(<= ULTIMATE.start_main_~i~4 136), 72184#(<= ULTIMATE.start_main_~i~4 134), 72187#(<= ULTIMATE.start_main_~i~4 140), 72186#(<= ULTIMATE.start_main_~i~4 138), 72189#(<= ULTIMATE.start_main_~i~4 144), 72188#(<= ULTIMATE.start_main_~i~4 142), 72191#(<= ULTIMATE.start_main_~i~4 148), 72190#(<= ULTIMATE.start_main_~i~4 146)] [2018-07-23 13:38:37,711 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 13:38:37,712 INFO L450 AbstractCegarLoop]: Interpolant automaton has 168 states [2018-07-23 13:38:37,713 INFO L132 InterpolantAutomaton]: Constructing interpolant automaton starting with 168 interpolants. [2018-07-23 13:38:37,713 INFO L133 InterpolantAutomaton]: CoverageRelationStatistics Valid=14028, Invalid=14028, Unknown=0, NotChecked=0, Total=28056 [2018-07-23 13:38:37,714 INFO L87 Difference]: Start difference. First operand 169 states and 169 transitions. Second operand 168 states. [2018-07-23 13:38:37,892 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2018-07-23 13:38:37,893 INFO L93 Difference]: Finished difference Result 172 states and 172 transitions. [2018-07-23 13:38:37,893 INFO L142 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 168 states. [2018-07-23 13:38:37,893 INFO L78 Accepts]: Start accepts. Automaton has 168 states. Word has length 168 [2018-07-23 13:38:37,893 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2018-07-23 13:38:37,893 INFO L225 Difference]: With dead ends: 172 [2018-07-23 13:38:37,893 INFO L226 Difference]: Without dead ends: 170 [2018-07-23 13:38:37,894 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 13:38:37,894 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 170 states. [2018-07-23 13:38:37,897 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 170 to 170. [2018-07-23 13:38:37,897 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 170 states. [2018-07-23 13:38:37,897 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 170 states to 170 states and 170 transitions. [2018-07-23 13:38:37,897 INFO L78 Accepts]: Start accepts. Automaton has 170 states and 170 transitions. Word has length 168 [2018-07-23 13:38:37,897 INFO L84 Accepts]: Finished accepts. word is rejected. [2018-07-23 13:38:37,898 INFO L471 AbstractCegarLoop]: Abstraction has 170 states and 170 transitions. [2018-07-23 13:38:37,898 INFO L472 AbstractCegarLoop]: Interpolant automaton has 168 states. [2018-07-23 13:38:37,898 INFO L276 IsEmpty]: Start isEmpty. Operand 170 states and 170 transitions. [2018-07-23 13:38:37,898 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 170 [2018-07-23 13:38:37,898 INFO L349 BasicCegarLoop]: Found error trace [2018-07-23 13:38:37,899 INFO L357 BasicCegarLoop]: trace histogram [166, 1, 1, 1] [2018-07-23 13:38:37,899 INFO L414 AbstractCegarLoop]: === Iteration 167 === [ULTIMATE.startErr0AssertViolationASSERT]=== [2018-07-23 13:38:37,899 INFO L82 PathProgramCache]: Analyzing trace with hash -1817785887, now seen corresponding path program 166 times [2018-07-23 13:38:37,899 INFO L69 tionRefinementEngine]: Using refinement strategy FixedRefinementStrategy [2018-07-23 13:38:37,999 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-07-23 13:38:38,616 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 13:38:38,616 INFO L309 seRefinementStrategy]: Constructing automaton from 0 perfect and 1 imperfect interpolant sequences. [2018-07-23 13:38:38,616 INFO L324 seRefinementStrategy]: Number of different interpolants: perfect sequences [] imperfect sequences [168] total 168 [2018-07-23 13:38:38,617 INFO L142 lantAutomatonBuilder]: Constructing canonical interpolant automaton, with selfloop in false state [2018-07-23 13:38:38,617 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 13:38:38,617 INFO L185 omatonBuilderFactory]: Interpolants [72967#true, 72969#(<= ULTIMATE.start_main_~i~4 0), 72968#false, 72971#(<= ULTIMATE.start_main_~i~4 4), 72970#(<= ULTIMATE.start_main_~i~4 2), 72973#(<= ULTIMATE.start_main_~i~4 8), 72972#(<= ULTIMATE.start_main_~i~4 6), 72975#(<= ULTIMATE.start_main_~i~4 12), 72974#(<= ULTIMATE.start_main_~i~4 10), 72977#(<= ULTIMATE.start_main_~i~4 16), 72976#(<= ULTIMATE.start_main_~i~4 14), 72979#(<= ULTIMATE.start_main_~i~4 20), 72978#(<= ULTIMATE.start_main_~i~4 18), 72981#(<= ULTIMATE.start_main_~i~4 24), 72980#(<= ULTIMATE.start_main_~i~4 22), 72983#(<= ULTIMATE.start_main_~i~4 28), 72982#(<= ULTIMATE.start_main_~i~4 26), 72985#(<= ULTIMATE.start_main_~i~4 32), 72984#(<= ULTIMATE.start_main_~i~4 30), 72987#(<= ULTIMATE.start_main_~i~4 36), 72986#(<= ULTIMATE.start_main_~i~4 34), 72989#(<= ULTIMATE.start_main_~i~4 40), 72988#(<= ULTIMATE.start_main_~i~4 38), 72991#(<= ULTIMATE.start_main_~i~4 44), 72990#(<= ULTIMATE.start_main_~i~4 42), 72993#(<= ULTIMATE.start_main_~i~4 48), 72992#(<= ULTIMATE.start_main_~i~4 46), 72995#(<= ULTIMATE.start_main_~i~4 52), 72994#(<= ULTIMATE.start_main_~i~4 50), 72997#(<= ULTIMATE.start_main_~i~4 56), 72996#(<= ULTIMATE.start_main_~i~4 54), 72999#(<= ULTIMATE.start_main_~i~4 60), 72998#(<= ULTIMATE.start_main_~i~4 58), 73001#(<= ULTIMATE.start_main_~i~4 64), 73000#(<= ULTIMATE.start_main_~i~4 62), 73003#(<= ULTIMATE.start_main_~i~4 68), 73002#(<= ULTIMATE.start_main_~i~4 66), 73005#(<= ULTIMATE.start_main_~i~4 72), 73004#(<= ULTIMATE.start_main_~i~4 70), 73007#(<= ULTIMATE.start_main_~i~4 76), 73006#(<= ULTIMATE.start_main_~i~4 74), 73009#(<= ULTIMATE.start_main_~i~4 80), 73008#(<= ULTIMATE.start_main_~i~4 78), 73011#(<= ULTIMATE.start_main_~i~4 84), 73010#(<= ULTIMATE.start_main_~i~4 82), 73013#(<= ULTIMATE.start_main_~i~4 88), 73012#(<= ULTIMATE.start_main_~i~4 86), 73015#(<= ULTIMATE.start_main_~i~4 92), 73014#(<= ULTIMATE.start_main_~i~4 90), 73017#(<= ULTIMATE.start_main_~i~4 96), 73016#(<= ULTIMATE.start_main_~i~4 94), 73019#(<= ULTIMATE.start_main_~i~4 100), 73018#(<= ULTIMATE.start_main_~i~4 98), 73021#(<= ULTIMATE.start_main_~i~4 104), 73020#(<= ULTIMATE.start_main_~i~4 102), 73023#(<= ULTIMATE.start_main_~i~4 108), 73022#(<= ULTIMATE.start_main_~i~4 106), 73025#(<= ULTIMATE.start_main_~i~4 112), 73024#(<= ULTIMATE.start_main_~i~4 110), 73027#(<= ULTIMATE.start_main_~i~4 116), 73026#(<= ULTIMATE.start_main_~i~4 114), 73029#(<= ULTIMATE.start_main_~i~4 120), 73028#(<= ULTIMATE.start_main_~i~4 118), 73031#(<= ULTIMATE.start_main_~i~4 124), 73030#(<= ULTIMATE.start_main_~i~4 122), 73033#(<= ULTIMATE.start_main_~i~4 128), 73032#(<= ULTIMATE.start_main_~i~4 126), 73035#(<= ULTIMATE.start_main_~i~4 132), 73034#(<= ULTIMATE.start_main_~i~4 130), 73037#(<= ULTIMATE.start_main_~i~4 136), 73036#(<= ULTIMATE.start_main_~i~4 134), 73039#(<= ULTIMATE.start_main_~i~4 140), 73038#(<= ULTIMATE.start_main_~i~4 138), 73041#(<= ULTIMATE.start_main_~i~4 144), 73040#(<= ULTIMATE.start_main_~i~4 142), 73043#(<= ULTIMATE.start_main_~i~4 148), 73042#(<= ULTIMATE.start_main_~i~4 146), 73045#(<= ULTIMATE.start_main_~i~4 152), 73044#(<= ULTIMATE.start_main_~i~4 150), 73047#(<= ULTIMATE.start_main_~i~4 156), 73046#(<= ULTIMATE.start_main_~i~4 154), 73049#(<= ULTIMATE.start_main_~i~4 160), 73048#(<= ULTIMATE.start_main_~i~4 158), 73051#(<= ULTIMATE.start_main_~i~4 164), 73050#(<= ULTIMATE.start_main_~i~4 162), 73053#(<= ULTIMATE.start_main_~i~4 168), 73052#(<= ULTIMATE.start_main_~i~4 166), 73055#(<= ULTIMATE.start_main_~i~4 172), 73054#(<= ULTIMATE.start_main_~i~4 170), 73057#(<= ULTIMATE.start_main_~i~4 176), 73056#(<= ULTIMATE.start_main_~i~4 174), 73059#(<= ULTIMATE.start_main_~i~4 180), 73058#(<= ULTIMATE.start_main_~i~4 178), 73061#(<= ULTIMATE.start_main_~i~4 184), 73060#(<= ULTIMATE.start_main_~i~4 182), 73063#(<= ULTIMATE.start_main_~i~4 188), 73062#(<= ULTIMATE.start_main_~i~4 186), 73065#(<= ULTIMATE.start_main_~i~4 192), 73064#(<= ULTIMATE.start_main_~i~4 190), 73067#(<= ULTIMATE.start_main_~i~4 196), 73066#(<= ULTIMATE.start_main_~i~4 194), 73069#(<= ULTIMATE.start_main_~i~4 200), 73068#(<= ULTIMATE.start_main_~i~4 198), 73071#(<= ULTIMATE.start_main_~i~4 204), 73070#(<= ULTIMATE.start_main_~i~4 202), 73073#(<= ULTIMATE.start_main_~i~4 208), 73072#(<= ULTIMATE.start_main_~i~4 206), 73075#(<= ULTIMATE.start_main_~i~4 212), 73074#(<= ULTIMATE.start_main_~i~4 210), 73077#(<= ULTIMATE.start_main_~i~4 216), 73076#(<= ULTIMATE.start_main_~i~4 214), 73079#(<= ULTIMATE.start_main_~i~4 220), 73078#(<= ULTIMATE.start_main_~i~4 218), 73081#(<= ULTIMATE.start_main_~i~4 224), 73080#(<= ULTIMATE.start_main_~i~4 222), 73083#(<= ULTIMATE.start_main_~i~4 228), 73082#(<= ULTIMATE.start_main_~i~4 226), 73085#(<= ULTIMATE.start_main_~i~4 232), 73084#(<= ULTIMATE.start_main_~i~4 230), 73087#(<= ULTIMATE.start_main_~i~4 236), 73086#(<= ULTIMATE.start_main_~i~4 234), 73089#(<= ULTIMATE.start_main_~i~4 240), 73088#(<= ULTIMATE.start_main_~i~4 238), 73091#(<= ULTIMATE.start_main_~i~4 244), 73090#(<= ULTIMATE.start_main_~i~4 242), 73093#(<= ULTIMATE.start_main_~i~4 248), 73092#(<= ULTIMATE.start_main_~i~4 246), 73095#(<= ULTIMATE.start_main_~i~4 252), 73094#(<= ULTIMATE.start_main_~i~4 250), 73097#(<= ULTIMATE.start_main_~i~4 256), 73096#(<= ULTIMATE.start_main_~i~4 254), 73099#(<= ULTIMATE.start_main_~i~4 260), 73098#(<= ULTIMATE.start_main_~i~4 258), 73101#(<= ULTIMATE.start_main_~i~4 264), 73100#(<= ULTIMATE.start_main_~i~4 262), 73103#(<= ULTIMATE.start_main_~i~4 268), 73102#(<= ULTIMATE.start_main_~i~4 266), 73105#(<= ULTIMATE.start_main_~i~4 272), 73104#(<= ULTIMATE.start_main_~i~4 270), 73107#(<= ULTIMATE.start_main_~i~4 276), 73106#(<= ULTIMATE.start_main_~i~4 274), 73109#(<= ULTIMATE.start_main_~i~4 280), 73108#(<= ULTIMATE.start_main_~i~4 278), 73111#(<= ULTIMATE.start_main_~i~4 284), 73110#(<= ULTIMATE.start_main_~i~4 282), 73113#(<= ULTIMATE.start_main_~i~4 288), 73112#(<= ULTIMATE.start_main_~i~4 286), 73115#(<= ULTIMATE.start_main_~i~4 292), 73114#(<= ULTIMATE.start_main_~i~4 290), 73117#(<= ULTIMATE.start_main_~i~4 296), 73116#(<= ULTIMATE.start_main_~i~4 294), 73119#(<= ULTIMATE.start_main_~i~4 300), 73118#(<= ULTIMATE.start_main_~i~4 298), 73121#(<= ULTIMATE.start_main_~i~4 304), 73120#(<= ULTIMATE.start_main_~i~4 302), 73123#(<= ULTIMATE.start_main_~i~4 308), 73122#(<= ULTIMATE.start_main_~i~4 306), 73125#(<= ULTIMATE.start_main_~i~4 312), 73124#(<= ULTIMATE.start_main_~i~4 310), 73127#(<= ULTIMATE.start_main_~i~4 316), 73126#(<= ULTIMATE.start_main_~i~4 314), 73129#(<= ULTIMATE.start_main_~i~4 320), 73128#(<= ULTIMATE.start_main_~i~4 318), 73131#(<= ULTIMATE.start_main_~i~4 324), 73130#(<= ULTIMATE.start_main_~i~4 322), 73133#(<= ULTIMATE.start_main_~i~4 328), 73132#(<= ULTIMATE.start_main_~i~4 326), 73135#(<= ULTIMATE.start_main_~i~4 332), 73134#(<= ULTIMATE.start_main_~i~4 330)] [2018-07-23 13:38:38,618 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 13:38:38,618 INFO L450 AbstractCegarLoop]: Interpolant automaton has 169 states [2018-07-23 13:38:38,620 INFO L132 InterpolantAutomaton]: Constructing interpolant automaton starting with 169 interpolants. [2018-07-23 13:38:38,621 INFO L133 InterpolantAutomaton]: CoverageRelationStatistics Valid=14196, Invalid=14196, Unknown=0, NotChecked=0, Total=28392 [2018-07-23 13:38:38,622 INFO L87 Difference]: Start difference. First operand 170 states and 170 transitions. Second operand 169 states. [2018-07-23 13:38:39,206 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2018-07-23 13:38:39,206 INFO L93 Difference]: Finished difference Result 173 states and 173 transitions. [2018-07-23 13:38:39,206 INFO L142 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 169 states. [2018-07-23 13:38:39,206 INFO L78 Accepts]: Start accepts. Automaton has 169 states. Word has length 169 [2018-07-23 13:38:39,207 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2018-07-23 13:38:39,207 INFO L225 Difference]: With dead ends: 173 [2018-07-23 13:38:39,207 INFO L226 Difference]: Without dead ends: 171 [2018-07-23 13:38:39,209 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 13:38:39,209 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 171 states. [2018-07-23 13:38:39,211 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 171 to 171. [2018-07-23 13:38:39,211 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 171 states. [2018-07-23 13:38:39,211 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 171 states to 171 states and 171 transitions. [2018-07-23 13:38:39,211 INFO L78 Accepts]: Start accepts. Automaton has 171 states and 171 transitions. Word has length 169 [2018-07-23 13:38:39,211 INFO L84 Accepts]: Finished accepts. word is rejected. [2018-07-23 13:38:39,211 INFO L471 AbstractCegarLoop]: Abstraction has 171 states and 171 transitions. [2018-07-23 13:38:39,212 INFO L472 AbstractCegarLoop]: Interpolant automaton has 169 states. [2018-07-23 13:38:39,212 INFO L276 IsEmpty]: Start isEmpty. Operand 171 states and 171 transitions. [2018-07-23 13:38:39,212 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 171 [2018-07-23 13:38:39,212 INFO L349 BasicCegarLoop]: Found error trace [2018-07-23 13:38:39,212 INFO L357 BasicCegarLoop]: trace histogram [167, 1, 1, 1] [2018-07-23 13:38:39,212 INFO L414 AbstractCegarLoop]: === Iteration 168 === [ULTIMATE.startErr0AssertViolationASSERT]=== [2018-07-23 13:38:39,212 INFO L82 PathProgramCache]: Analyzing trace with hash -516789624, now seen corresponding path program 167 times [2018-07-23 13:38:39,213 INFO L69 tionRefinementEngine]: Using refinement strategy FixedRefinementStrategy [2018-07-23 13:38:39,319 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-07-23 13:38:39,956 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 13:38:39,956 INFO L309 seRefinementStrategy]: Constructing automaton from 0 perfect and 1 imperfect interpolant sequences. [2018-07-23 13:38:39,956 INFO L324 seRefinementStrategy]: Number of different interpolants: perfect sequences [] imperfect sequences [169] total 169 [2018-07-23 13:38:39,957 INFO L142 lantAutomatonBuilder]: Constructing canonical interpolant automaton, with selfloop in false state [2018-07-23 13:38:39,957 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2018-07-23 13:38:39,957 INFO L185 omatonBuilderFactory]: Interpolants [73985#(<= ULTIMATE.start_main_~i~4 318), 73984#(<= ULTIMATE.start_main_~i~4 316), 73987#(<= ULTIMATE.start_main_~i~4 322), 73986#(<= ULTIMATE.start_main_~i~4 320), 73989#(<= ULTIMATE.start_main_~i~4 326), 73988#(<= ULTIMATE.start_main_~i~4 324), 73991#(<= ULTIMATE.start_main_~i~4 330), 73990#(<= ULTIMATE.start_main_~i~4 328), 73993#(<= ULTIMATE.start_main_~i~4 334), 73992#(<= ULTIMATE.start_main_~i~4 332), 73825#false, 73824#true, 73827#(<= ULTIMATE.start_main_~i~4 2), 73826#(<= ULTIMATE.start_main_~i~4 0), 73829#(<= ULTIMATE.start_main_~i~4 6), 73828#(<= ULTIMATE.start_main_~i~4 4), 73831#(<= ULTIMATE.start_main_~i~4 10), 73830#(<= ULTIMATE.start_main_~i~4 8), 73833#(<= ULTIMATE.start_main_~i~4 14), 73832#(<= ULTIMATE.start_main_~i~4 12), 73835#(<= ULTIMATE.start_main_~i~4 18), 73834#(<= ULTIMATE.start_main_~i~4 16), 73837#(<= ULTIMATE.start_main_~i~4 22), 73836#(<= ULTIMATE.start_main_~i~4 20), 73839#(<= ULTIMATE.start_main_~i~4 26), 73838#(<= ULTIMATE.start_main_~i~4 24), 73841#(<= ULTIMATE.start_main_~i~4 30), 73840#(<= ULTIMATE.start_main_~i~4 28), 73843#(<= ULTIMATE.start_main_~i~4 34), 73842#(<= ULTIMATE.start_main_~i~4 32), 73845#(<= ULTIMATE.start_main_~i~4 38), 73844#(<= ULTIMATE.start_main_~i~4 36), 73847#(<= ULTIMATE.start_main_~i~4 42), 73846#(<= ULTIMATE.start_main_~i~4 40), 73849#(<= ULTIMATE.start_main_~i~4 46), 73848#(<= ULTIMATE.start_main_~i~4 44), 73851#(<= ULTIMATE.start_main_~i~4 50), 73850#(<= ULTIMATE.start_main_~i~4 48), 73853#(<= ULTIMATE.start_main_~i~4 54), 73852#(<= ULTIMATE.start_main_~i~4 52), 73855#(<= ULTIMATE.start_main_~i~4 58), 73854#(<= ULTIMATE.start_main_~i~4 56), 73857#(<= ULTIMATE.start_main_~i~4 62), 73856#(<= ULTIMATE.start_main_~i~4 60), 73859#(<= ULTIMATE.start_main_~i~4 66), 73858#(<= ULTIMATE.start_main_~i~4 64), 73861#(<= ULTIMATE.start_main_~i~4 70), 73860#(<= ULTIMATE.start_main_~i~4 68), 73863#(<= ULTIMATE.start_main_~i~4 74), 73862#(<= ULTIMATE.start_main_~i~4 72), 73865#(<= ULTIMATE.start_main_~i~4 78), 73864#(<= ULTIMATE.start_main_~i~4 76), 73867#(<= ULTIMATE.start_main_~i~4 82), 73866#(<= ULTIMATE.start_main_~i~4 80), 73869#(<= ULTIMATE.start_main_~i~4 86), 73868#(<= ULTIMATE.start_main_~i~4 84), 73871#(<= ULTIMATE.start_main_~i~4 90), 73870#(<= ULTIMATE.start_main_~i~4 88), 73873#(<= ULTIMATE.start_main_~i~4 94), 73872#(<= ULTIMATE.start_main_~i~4 92), 73875#(<= ULTIMATE.start_main_~i~4 98), 73874#(<= ULTIMATE.start_main_~i~4 96), 73877#(<= ULTIMATE.start_main_~i~4 102), 73876#(<= ULTIMATE.start_main_~i~4 100), 73879#(<= ULTIMATE.start_main_~i~4 106), 73878#(<= ULTIMATE.start_main_~i~4 104), 73881#(<= ULTIMATE.start_main_~i~4 110), 73880#(<= ULTIMATE.start_main_~i~4 108), 73883#(<= ULTIMATE.start_main_~i~4 114), 73882#(<= ULTIMATE.start_main_~i~4 112), 73885#(<= ULTIMATE.start_main_~i~4 118), 73884#(<= ULTIMATE.start_main_~i~4 116), 73887#(<= ULTIMATE.start_main_~i~4 122), 73886#(<= ULTIMATE.start_main_~i~4 120), 73889#(<= ULTIMATE.start_main_~i~4 126), 73888#(<= ULTIMATE.start_main_~i~4 124), 73891#(<= ULTIMATE.start_main_~i~4 130), 73890#(<= ULTIMATE.start_main_~i~4 128), 73893#(<= ULTIMATE.start_main_~i~4 134), 73892#(<= ULTIMATE.start_main_~i~4 132), 73895#(<= ULTIMATE.start_main_~i~4 138), 73894#(<= ULTIMATE.start_main_~i~4 136), 73897#(<= ULTIMATE.start_main_~i~4 142), 73896#(<= ULTIMATE.start_main_~i~4 140), 73899#(<= ULTIMATE.start_main_~i~4 146), 73898#(<= ULTIMATE.start_main_~i~4 144), 73901#(<= ULTIMATE.start_main_~i~4 150), 73900#(<= ULTIMATE.start_main_~i~4 148), 73903#(<= ULTIMATE.start_main_~i~4 154), 73902#(<= ULTIMATE.start_main_~i~4 152), 73905#(<= ULTIMATE.start_main_~i~4 158), 73904#(<= ULTIMATE.start_main_~i~4 156), 73907#(<= ULTIMATE.start_main_~i~4 162), 73906#(<= ULTIMATE.start_main_~i~4 160), 73909#(<= ULTIMATE.start_main_~i~4 166), 73908#(<= ULTIMATE.start_main_~i~4 164), 73911#(<= ULTIMATE.start_main_~i~4 170), 73910#(<= ULTIMATE.start_main_~i~4 168), 73913#(<= ULTIMATE.start_main_~i~4 174), 73912#(<= ULTIMATE.start_main_~i~4 172), 73915#(<= ULTIMATE.start_main_~i~4 178), 73914#(<= ULTIMATE.start_main_~i~4 176), 73917#(<= ULTIMATE.start_main_~i~4 182), 73916#(<= ULTIMATE.start_main_~i~4 180), 73919#(<= ULTIMATE.start_main_~i~4 186), 73918#(<= ULTIMATE.start_main_~i~4 184), 73921#(<= ULTIMATE.start_main_~i~4 190), 73920#(<= ULTIMATE.start_main_~i~4 188), 73923#(<= ULTIMATE.start_main_~i~4 194), 73922#(<= ULTIMATE.start_main_~i~4 192), 73925#(<= ULTIMATE.start_main_~i~4 198), 73924#(<= ULTIMATE.start_main_~i~4 196), 73927#(<= ULTIMATE.start_main_~i~4 202), 73926#(<= ULTIMATE.start_main_~i~4 200), 73929#(<= ULTIMATE.start_main_~i~4 206), 73928#(<= ULTIMATE.start_main_~i~4 204), 73931#(<= ULTIMATE.start_main_~i~4 210), 73930#(<= ULTIMATE.start_main_~i~4 208), 73933#(<= ULTIMATE.start_main_~i~4 214), 73932#(<= ULTIMATE.start_main_~i~4 212), 73935#(<= ULTIMATE.start_main_~i~4 218), 73934#(<= ULTIMATE.start_main_~i~4 216), 73937#(<= ULTIMATE.start_main_~i~4 222), 73936#(<= ULTIMATE.start_main_~i~4 220), 73939#(<= ULTIMATE.start_main_~i~4 226), 73938#(<= ULTIMATE.start_main_~i~4 224), 73941#(<= ULTIMATE.start_main_~i~4 230), 73940#(<= ULTIMATE.start_main_~i~4 228), 73943#(<= ULTIMATE.start_main_~i~4 234), 73942#(<= ULTIMATE.start_main_~i~4 232), 73945#(<= ULTIMATE.start_main_~i~4 238), 73944#(<= ULTIMATE.start_main_~i~4 236), 73947#(<= ULTIMATE.start_main_~i~4 242), 73946#(<= ULTIMATE.start_main_~i~4 240), 73949#(<= ULTIMATE.start_main_~i~4 246), 73948#(<= ULTIMATE.start_main_~i~4 244), 73951#(<= ULTIMATE.start_main_~i~4 250), 73950#(<= ULTIMATE.start_main_~i~4 248), 73953#(<= ULTIMATE.start_main_~i~4 254), 73952#(<= ULTIMATE.start_main_~i~4 252), 73955#(<= ULTIMATE.start_main_~i~4 258), 73954#(<= ULTIMATE.start_main_~i~4 256), 73957#(<= ULTIMATE.start_main_~i~4 262), 73956#(<= ULTIMATE.start_main_~i~4 260), 73959#(<= ULTIMATE.start_main_~i~4 266), 73958#(<= ULTIMATE.start_main_~i~4 264), 73961#(<= ULTIMATE.start_main_~i~4 270), 73960#(<= ULTIMATE.start_main_~i~4 268), 73963#(<= ULTIMATE.start_main_~i~4 274), 73962#(<= ULTIMATE.start_main_~i~4 272), 73965#(<= ULTIMATE.start_main_~i~4 278), 73964#(<= ULTIMATE.start_main_~i~4 276), 73967#(<= ULTIMATE.start_main_~i~4 282), 73966#(<= ULTIMATE.start_main_~i~4 280), 73969#(<= ULTIMATE.start_main_~i~4 286), 73968#(<= ULTIMATE.start_main_~i~4 284), 73971#(<= ULTIMATE.start_main_~i~4 290), 73970#(<= ULTIMATE.start_main_~i~4 288), 73973#(<= ULTIMATE.start_main_~i~4 294), 73972#(<= ULTIMATE.start_main_~i~4 292), 73975#(<= ULTIMATE.start_main_~i~4 298), 73974#(<= ULTIMATE.start_main_~i~4 296), 73977#(<= ULTIMATE.start_main_~i~4 302), 73976#(<= ULTIMATE.start_main_~i~4 300), 73979#(<= ULTIMATE.start_main_~i~4 306), 73978#(<= ULTIMATE.start_main_~i~4 304), 73981#(<= ULTIMATE.start_main_~i~4 310), 73980#(<= ULTIMATE.start_main_~i~4 308), 73983#(<= ULTIMATE.start_main_~i~4 314), 73982#(<= ULTIMATE.start_main_~i~4 312)] [2018-07-23 13:38:39,958 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 13:38:39,958 INFO L450 AbstractCegarLoop]: Interpolant automaton has 170 states [2018-07-23 13:38:39,960 INFO L132 InterpolantAutomaton]: Constructing interpolant automaton starting with 170 interpolants. [2018-07-23 13:38:39,960 INFO L133 InterpolantAutomaton]: CoverageRelationStatistics Valid=14365, Invalid=14365, Unknown=0, NotChecked=0, Total=28730 [2018-07-23 13:38:39,961 INFO L87 Difference]: Start difference. First operand 171 states and 171 transitions. Second operand 170 states. [2018-07-23 13:38:40,376 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2018-07-23 13:38:40,376 INFO L93 Difference]: Finished difference Result 174 states and 174 transitions. [2018-07-23 13:38:40,376 INFO L142 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 170 states. [2018-07-23 13:38:40,376 INFO L78 Accepts]: Start accepts. Automaton has 170 states. Word has length 170 [2018-07-23 13:38:40,376 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2018-07-23 13:38:40,377 INFO L225 Difference]: With dead ends: 174 [2018-07-23 13:38:40,377 INFO L226 Difference]: Without dead ends: 172 [2018-07-23 13:38:40,378 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 13:38:40,378 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 172 states. [2018-07-23 13:38:40,380 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 172 to 172. [2018-07-23 13:38:40,380 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 172 states. [2018-07-23 13:38:40,380 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 172 states to 172 states and 172 transitions. [2018-07-23 13:38:40,380 INFO L78 Accepts]: Start accepts. Automaton has 172 states and 172 transitions. Word has length 170 [2018-07-23 13:38:40,380 INFO L84 Accepts]: Finished accepts. word is rejected. [2018-07-23 13:38:40,380 INFO L471 AbstractCegarLoop]: Abstraction has 172 states and 172 transitions. [2018-07-23 13:38:40,380 INFO L472 AbstractCegarLoop]: Interpolant automaton has 170 states. [2018-07-23 13:38:40,380 INFO L276 IsEmpty]: Start isEmpty. Operand 172 states and 172 transitions. [2018-07-23 13:38:40,381 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 172 [2018-07-23 13:38:40,381 INFO L349 BasicCegarLoop]: Found error trace [2018-07-23 13:38:40,381 INFO L357 BasicCegarLoop]: trace histogram [168, 1, 1, 1] [2018-07-23 13:38:40,381 INFO L414 AbstractCegarLoop]: === Iteration 169 === [ULTIMATE.startErr0AssertViolationASSERT]=== [2018-07-23 13:38:40,381 INFO L82 PathProgramCache]: Analyzing trace with hash 1159388865, now seen corresponding path program 168 times [2018-07-23 13:38:40,381 INFO L69 tionRefinementEngine]: Using refinement strategy FixedRefinementStrategy [2018-07-23 13:38:40,476 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-07-23 13:38:41,086 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 13:38:41,086 INFO L309 seRefinementStrategy]: Constructing automaton from 0 perfect and 1 imperfect interpolant sequences. [2018-07-23 13:38:41,087 INFO L324 seRefinementStrategy]: Number of different interpolants: perfect sequences [] imperfect sequences [170] total 170 [2018-07-23 13:38:41,087 INFO L142 lantAutomatonBuilder]: Constructing canonical interpolant automaton, with selfloop in false state [2018-07-23 13:38:41,087 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2018-07-23 13:38:41,087 INFO L185 omatonBuilderFactory]: Interpolants [74753#(<= ULTIMATE.start_main_~i~4 130), 74752#(<= ULTIMATE.start_main_~i~4 128), 74755#(<= ULTIMATE.start_main_~i~4 134), 74754#(<= ULTIMATE.start_main_~i~4 132), 74757#(<= ULTIMATE.start_main_~i~4 138), 74756#(<= ULTIMATE.start_main_~i~4 136), 74759#(<= ULTIMATE.start_main_~i~4 142), 74758#(<= ULTIMATE.start_main_~i~4 140), 74761#(<= ULTIMATE.start_main_~i~4 146), 74760#(<= ULTIMATE.start_main_~i~4 144), 74763#(<= ULTIMATE.start_main_~i~4 150), 74762#(<= ULTIMATE.start_main_~i~4 148), 74765#(<= ULTIMATE.start_main_~i~4 154), 74764#(<= ULTIMATE.start_main_~i~4 152), 74767#(<= ULTIMATE.start_main_~i~4 158), 74766#(<= ULTIMATE.start_main_~i~4 156), 74769#(<= ULTIMATE.start_main_~i~4 162), 74768#(<= ULTIMATE.start_main_~i~4 160), 74771#(<= ULTIMATE.start_main_~i~4 166), 74770#(<= ULTIMATE.start_main_~i~4 164), 74773#(<= ULTIMATE.start_main_~i~4 170), 74772#(<= ULTIMATE.start_main_~i~4 168), 74775#(<= ULTIMATE.start_main_~i~4 174), 74774#(<= ULTIMATE.start_main_~i~4 172), 74777#(<= ULTIMATE.start_main_~i~4 178), 74776#(<= ULTIMATE.start_main_~i~4 176), 74779#(<= ULTIMATE.start_main_~i~4 182), 74778#(<= ULTIMATE.start_main_~i~4 180), 74781#(<= ULTIMATE.start_main_~i~4 186), 74780#(<= ULTIMATE.start_main_~i~4 184), 74783#(<= ULTIMATE.start_main_~i~4 190), 74782#(<= ULTIMATE.start_main_~i~4 188), 74785#(<= ULTIMATE.start_main_~i~4 194), 74784#(<= ULTIMATE.start_main_~i~4 192), 74787#(<= ULTIMATE.start_main_~i~4 198), 74786#(<= ULTIMATE.start_main_~i~4 196), 74789#(<= ULTIMATE.start_main_~i~4 202), 74788#(<= ULTIMATE.start_main_~i~4 200), 74791#(<= ULTIMATE.start_main_~i~4 206), 74790#(<= ULTIMATE.start_main_~i~4 204), 74793#(<= ULTIMATE.start_main_~i~4 210), 74792#(<= ULTIMATE.start_main_~i~4 208), 74795#(<= ULTIMATE.start_main_~i~4 214), 74794#(<= ULTIMATE.start_main_~i~4 212), 74797#(<= ULTIMATE.start_main_~i~4 218), 74796#(<= ULTIMATE.start_main_~i~4 216), 74799#(<= ULTIMATE.start_main_~i~4 222), 74798#(<= ULTIMATE.start_main_~i~4 220), 74801#(<= ULTIMATE.start_main_~i~4 226), 74800#(<= ULTIMATE.start_main_~i~4 224), 74803#(<= ULTIMATE.start_main_~i~4 230), 74802#(<= ULTIMATE.start_main_~i~4 228), 74805#(<= ULTIMATE.start_main_~i~4 234), 74804#(<= ULTIMATE.start_main_~i~4 232), 74807#(<= ULTIMATE.start_main_~i~4 238), 74806#(<= ULTIMATE.start_main_~i~4 236), 74809#(<= ULTIMATE.start_main_~i~4 242), 74808#(<= ULTIMATE.start_main_~i~4 240), 74811#(<= ULTIMATE.start_main_~i~4 246), 74810#(<= ULTIMATE.start_main_~i~4 244), 74813#(<= ULTIMATE.start_main_~i~4 250), 74812#(<= ULTIMATE.start_main_~i~4 248), 74815#(<= ULTIMATE.start_main_~i~4 254), 74814#(<= ULTIMATE.start_main_~i~4 252), 74817#(<= ULTIMATE.start_main_~i~4 258), 74816#(<= ULTIMATE.start_main_~i~4 256), 74819#(<= ULTIMATE.start_main_~i~4 262), 74818#(<= ULTIMATE.start_main_~i~4 260), 74821#(<= ULTIMATE.start_main_~i~4 266), 74820#(<= ULTIMATE.start_main_~i~4 264), 74823#(<= ULTIMATE.start_main_~i~4 270), 74822#(<= ULTIMATE.start_main_~i~4 268), 74825#(<= ULTIMATE.start_main_~i~4 274), 74824#(<= ULTIMATE.start_main_~i~4 272), 74827#(<= ULTIMATE.start_main_~i~4 278), 74826#(<= ULTIMATE.start_main_~i~4 276), 74829#(<= ULTIMATE.start_main_~i~4 282), 74828#(<= ULTIMATE.start_main_~i~4 280), 74831#(<= ULTIMATE.start_main_~i~4 286), 74830#(<= ULTIMATE.start_main_~i~4 284), 74833#(<= ULTIMATE.start_main_~i~4 290), 74832#(<= ULTIMATE.start_main_~i~4 288), 74835#(<= ULTIMATE.start_main_~i~4 294), 74834#(<= ULTIMATE.start_main_~i~4 292), 74837#(<= ULTIMATE.start_main_~i~4 298), 74836#(<= ULTIMATE.start_main_~i~4 296), 74839#(<= ULTIMATE.start_main_~i~4 302), 74838#(<= ULTIMATE.start_main_~i~4 300), 74841#(<= ULTIMATE.start_main_~i~4 306), 74840#(<= ULTIMATE.start_main_~i~4 304), 74843#(<= ULTIMATE.start_main_~i~4 310), 74842#(<= ULTIMATE.start_main_~i~4 308), 74845#(<= ULTIMATE.start_main_~i~4 314), 74844#(<= ULTIMATE.start_main_~i~4 312), 74847#(<= ULTIMATE.start_main_~i~4 318), 74846#(<= ULTIMATE.start_main_~i~4 316), 74849#(<= ULTIMATE.start_main_~i~4 322), 74848#(<= ULTIMATE.start_main_~i~4 320), 74851#(<= ULTIMATE.start_main_~i~4 326), 74850#(<= ULTIMATE.start_main_~i~4 324), 74853#(<= ULTIMATE.start_main_~i~4 330), 74852#(<= ULTIMATE.start_main_~i~4 328), 74855#(<= ULTIMATE.start_main_~i~4 334), 74854#(<= ULTIMATE.start_main_~i~4 332), 74856#(<= ULTIMATE.start_main_~i~4 336), 74687#false, 74686#true, 74689#(<= ULTIMATE.start_main_~i~4 2), 74688#(<= ULTIMATE.start_main_~i~4 0), 74691#(<= ULTIMATE.start_main_~i~4 6), 74690#(<= ULTIMATE.start_main_~i~4 4), 74693#(<= ULTIMATE.start_main_~i~4 10), 74692#(<= ULTIMATE.start_main_~i~4 8), 74695#(<= ULTIMATE.start_main_~i~4 14), 74694#(<= ULTIMATE.start_main_~i~4 12), 74697#(<= ULTIMATE.start_main_~i~4 18), 74696#(<= ULTIMATE.start_main_~i~4 16), 74699#(<= ULTIMATE.start_main_~i~4 22), 74698#(<= ULTIMATE.start_main_~i~4 20), 74701#(<= ULTIMATE.start_main_~i~4 26), 74700#(<= ULTIMATE.start_main_~i~4 24), 74703#(<= ULTIMATE.start_main_~i~4 30), 74702#(<= ULTIMATE.start_main_~i~4 28), 74705#(<= ULTIMATE.start_main_~i~4 34), 74704#(<= ULTIMATE.start_main_~i~4 32), 74707#(<= ULTIMATE.start_main_~i~4 38), 74706#(<= ULTIMATE.start_main_~i~4 36), 74709#(<= ULTIMATE.start_main_~i~4 42), 74708#(<= ULTIMATE.start_main_~i~4 40), 74711#(<= ULTIMATE.start_main_~i~4 46), 74710#(<= ULTIMATE.start_main_~i~4 44), 74713#(<= ULTIMATE.start_main_~i~4 50), 74712#(<= ULTIMATE.start_main_~i~4 48), 74715#(<= ULTIMATE.start_main_~i~4 54), 74714#(<= ULTIMATE.start_main_~i~4 52), 74717#(<= ULTIMATE.start_main_~i~4 58), 74716#(<= ULTIMATE.start_main_~i~4 56), 74719#(<= ULTIMATE.start_main_~i~4 62), 74718#(<= ULTIMATE.start_main_~i~4 60), 74721#(<= ULTIMATE.start_main_~i~4 66), 74720#(<= ULTIMATE.start_main_~i~4 64), 74723#(<= ULTIMATE.start_main_~i~4 70), 74722#(<= ULTIMATE.start_main_~i~4 68), 74725#(<= ULTIMATE.start_main_~i~4 74), 74724#(<= ULTIMATE.start_main_~i~4 72), 74727#(<= ULTIMATE.start_main_~i~4 78), 74726#(<= ULTIMATE.start_main_~i~4 76), 74729#(<= ULTIMATE.start_main_~i~4 82), 74728#(<= ULTIMATE.start_main_~i~4 80), 74731#(<= ULTIMATE.start_main_~i~4 86), 74730#(<= ULTIMATE.start_main_~i~4 84), 74733#(<= ULTIMATE.start_main_~i~4 90), 74732#(<= ULTIMATE.start_main_~i~4 88), 74735#(<= ULTIMATE.start_main_~i~4 94), 74734#(<= ULTIMATE.start_main_~i~4 92), 74737#(<= ULTIMATE.start_main_~i~4 98), 74736#(<= ULTIMATE.start_main_~i~4 96), 74739#(<= ULTIMATE.start_main_~i~4 102), 74738#(<= ULTIMATE.start_main_~i~4 100), 74741#(<= ULTIMATE.start_main_~i~4 106), 74740#(<= ULTIMATE.start_main_~i~4 104), 74743#(<= ULTIMATE.start_main_~i~4 110), 74742#(<= ULTIMATE.start_main_~i~4 108), 74745#(<= ULTIMATE.start_main_~i~4 114), 74744#(<= ULTIMATE.start_main_~i~4 112), 74747#(<= ULTIMATE.start_main_~i~4 118), 74746#(<= ULTIMATE.start_main_~i~4 116), 74749#(<= ULTIMATE.start_main_~i~4 122), 74748#(<= ULTIMATE.start_main_~i~4 120), 74751#(<= ULTIMATE.start_main_~i~4 126), 74750#(<= ULTIMATE.start_main_~i~4 124)] [2018-07-23 13:38:41,088 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 13:38:41,088 INFO L450 AbstractCegarLoop]: Interpolant automaton has 171 states [2018-07-23 13:38:41,090 INFO L132 InterpolantAutomaton]: Constructing interpolant automaton starting with 171 interpolants. [2018-07-23 13:38:41,090 INFO L133 InterpolantAutomaton]: CoverageRelationStatistics Valid=14535, Invalid=14535, Unknown=0, NotChecked=0, Total=29070 [2018-07-23 13:38:41,091 INFO L87 Difference]: Start difference. First operand 172 states and 172 transitions. Second operand 171 states. [2018-07-23 13:38:41,332 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2018-07-23 13:38:41,332 INFO L93 Difference]: Finished difference Result 175 states and 175 transitions. [2018-07-23 13:38:41,332 INFO L142 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 171 states. [2018-07-23 13:38:41,332 INFO L78 Accepts]: Start accepts. Automaton has 171 states. Word has length 171 [2018-07-23 13:38:41,332 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2018-07-23 13:38:41,333 INFO L225 Difference]: With dead ends: 175 [2018-07-23 13:38:41,333 INFO L226 Difference]: Without dead ends: 173 [2018-07-23 13:38:41,334 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 13:38:41,334 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 173 states. [2018-07-23 13:38:41,336 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 173 to 173. [2018-07-23 13:38:41,336 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 173 states. [2018-07-23 13:38:41,336 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 173 states to 173 states and 173 transitions. [2018-07-23 13:38:41,336 INFO L78 Accepts]: Start accepts. Automaton has 173 states and 173 transitions. Word has length 171 [2018-07-23 13:38:41,336 INFO L84 Accepts]: Finished accepts. word is rejected. [2018-07-23 13:38:41,336 INFO L471 AbstractCegarLoop]: Abstraction has 173 states and 173 transitions. [2018-07-23 13:38:41,336 INFO L472 AbstractCegarLoop]: Interpolant automaton has 171 states. [2018-07-23 13:38:41,336 INFO L276 IsEmpty]: Start isEmpty. Operand 173 states and 173 transitions. [2018-07-23 13:38:41,337 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 173 [2018-07-23 13:38:41,337 INFO L349 BasicCegarLoop]: Found error trace [2018-07-23 13:38:41,337 INFO L357 BasicCegarLoop]: trace histogram [169, 1, 1, 1] [2018-07-23 13:38:41,337 INFO L414 AbstractCegarLoop]: === Iteration 170 === [ULTIMATE.startErr0AssertViolationASSERT]=== [2018-07-23 13:38:41,337 INFO L82 PathProgramCache]: Analyzing trace with hash 1581314472, now seen corresponding path program 169 times [2018-07-23 13:38:41,337 INFO L69 tionRefinementEngine]: Using refinement strategy FixedRefinementStrategy [2018-07-23 13:38:41,471 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-07-23 13:38:42,088 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 13:38:42,088 INFO L309 seRefinementStrategy]: Constructing automaton from 0 perfect and 1 imperfect interpolant sequences. [2018-07-23 13:38:42,088 INFO L324 seRefinementStrategy]: Number of different interpolants: perfect sequences [] imperfect sequences [171] total 171 [2018-07-23 13:38:42,089 INFO L142 lantAutomatonBuilder]: Constructing canonical interpolant automaton, with selfloop in false state [2018-07-23 13:38:42,089 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2018-07-23 13:38:42,089 INFO L185 omatonBuilderFactory]: Interpolants [75553#true, 75555#(<= ULTIMATE.start_main_~i~4 0), 75554#false, 75557#(<= ULTIMATE.start_main_~i~4 4), 75556#(<= ULTIMATE.start_main_~i~4 2), 75559#(<= ULTIMATE.start_main_~i~4 8), 75558#(<= ULTIMATE.start_main_~i~4 6), 75561#(<= ULTIMATE.start_main_~i~4 12), 75560#(<= ULTIMATE.start_main_~i~4 10), 75563#(<= ULTIMATE.start_main_~i~4 16), 75562#(<= ULTIMATE.start_main_~i~4 14), 75565#(<= ULTIMATE.start_main_~i~4 20), 75564#(<= ULTIMATE.start_main_~i~4 18), 75567#(<= ULTIMATE.start_main_~i~4 24), 75566#(<= ULTIMATE.start_main_~i~4 22), 75569#(<= ULTIMATE.start_main_~i~4 28), 75568#(<= ULTIMATE.start_main_~i~4 26), 75571#(<= ULTIMATE.start_main_~i~4 32), 75570#(<= ULTIMATE.start_main_~i~4 30), 75573#(<= ULTIMATE.start_main_~i~4 36), 75572#(<= ULTIMATE.start_main_~i~4 34), 75575#(<= ULTIMATE.start_main_~i~4 40), 75574#(<= ULTIMATE.start_main_~i~4 38), 75577#(<= ULTIMATE.start_main_~i~4 44), 75576#(<= ULTIMATE.start_main_~i~4 42), 75579#(<= ULTIMATE.start_main_~i~4 48), 75578#(<= ULTIMATE.start_main_~i~4 46), 75581#(<= ULTIMATE.start_main_~i~4 52), 75580#(<= ULTIMATE.start_main_~i~4 50), 75583#(<= ULTIMATE.start_main_~i~4 56), 75582#(<= ULTIMATE.start_main_~i~4 54), 75585#(<= ULTIMATE.start_main_~i~4 60), 75584#(<= ULTIMATE.start_main_~i~4 58), 75587#(<= ULTIMATE.start_main_~i~4 64), 75586#(<= ULTIMATE.start_main_~i~4 62), 75589#(<= ULTIMATE.start_main_~i~4 68), 75588#(<= ULTIMATE.start_main_~i~4 66), 75591#(<= ULTIMATE.start_main_~i~4 72), 75590#(<= ULTIMATE.start_main_~i~4 70), 75593#(<= ULTIMATE.start_main_~i~4 76), 75592#(<= ULTIMATE.start_main_~i~4 74), 75595#(<= ULTIMATE.start_main_~i~4 80), 75594#(<= ULTIMATE.start_main_~i~4 78), 75597#(<= ULTIMATE.start_main_~i~4 84), 75596#(<= ULTIMATE.start_main_~i~4 82), 75599#(<= ULTIMATE.start_main_~i~4 88), 75598#(<= ULTIMATE.start_main_~i~4 86), 75601#(<= ULTIMATE.start_main_~i~4 92), 75600#(<= ULTIMATE.start_main_~i~4 90), 75603#(<= ULTIMATE.start_main_~i~4 96), 75602#(<= ULTIMATE.start_main_~i~4 94), 75605#(<= ULTIMATE.start_main_~i~4 100), 75604#(<= ULTIMATE.start_main_~i~4 98), 75607#(<= ULTIMATE.start_main_~i~4 104), 75606#(<= ULTIMATE.start_main_~i~4 102), 75609#(<= ULTIMATE.start_main_~i~4 108), 75608#(<= ULTIMATE.start_main_~i~4 106), 75611#(<= ULTIMATE.start_main_~i~4 112), 75610#(<= ULTIMATE.start_main_~i~4 110), 75613#(<= ULTIMATE.start_main_~i~4 116), 75612#(<= ULTIMATE.start_main_~i~4 114), 75615#(<= ULTIMATE.start_main_~i~4 120), 75614#(<= ULTIMATE.start_main_~i~4 118), 75617#(<= ULTIMATE.start_main_~i~4 124), 75616#(<= ULTIMATE.start_main_~i~4 122), 75619#(<= ULTIMATE.start_main_~i~4 128), 75618#(<= ULTIMATE.start_main_~i~4 126), 75621#(<= ULTIMATE.start_main_~i~4 132), 75620#(<= ULTIMATE.start_main_~i~4 130), 75623#(<= ULTIMATE.start_main_~i~4 136), 75622#(<= ULTIMATE.start_main_~i~4 134), 75625#(<= ULTIMATE.start_main_~i~4 140), 75624#(<= ULTIMATE.start_main_~i~4 138), 75627#(<= ULTIMATE.start_main_~i~4 144), 75626#(<= ULTIMATE.start_main_~i~4 142), 75629#(<= ULTIMATE.start_main_~i~4 148), 75628#(<= ULTIMATE.start_main_~i~4 146), 75631#(<= ULTIMATE.start_main_~i~4 152), 75630#(<= ULTIMATE.start_main_~i~4 150), 75633#(<= ULTIMATE.start_main_~i~4 156), 75632#(<= ULTIMATE.start_main_~i~4 154), 75635#(<= ULTIMATE.start_main_~i~4 160), 75634#(<= ULTIMATE.start_main_~i~4 158), 75637#(<= ULTIMATE.start_main_~i~4 164), 75636#(<= ULTIMATE.start_main_~i~4 162), 75639#(<= ULTIMATE.start_main_~i~4 168), 75638#(<= ULTIMATE.start_main_~i~4 166), 75641#(<= ULTIMATE.start_main_~i~4 172), 75640#(<= ULTIMATE.start_main_~i~4 170), 75643#(<= ULTIMATE.start_main_~i~4 176), 75642#(<= ULTIMATE.start_main_~i~4 174), 75645#(<= ULTIMATE.start_main_~i~4 180), 75644#(<= ULTIMATE.start_main_~i~4 178), 75647#(<= ULTIMATE.start_main_~i~4 184), 75646#(<= ULTIMATE.start_main_~i~4 182), 75649#(<= ULTIMATE.start_main_~i~4 188), 75648#(<= ULTIMATE.start_main_~i~4 186), 75651#(<= ULTIMATE.start_main_~i~4 192), 75650#(<= ULTIMATE.start_main_~i~4 190), 75653#(<= ULTIMATE.start_main_~i~4 196), 75652#(<= ULTIMATE.start_main_~i~4 194), 75655#(<= ULTIMATE.start_main_~i~4 200), 75654#(<= ULTIMATE.start_main_~i~4 198), 75657#(<= ULTIMATE.start_main_~i~4 204), 75656#(<= ULTIMATE.start_main_~i~4 202), 75659#(<= ULTIMATE.start_main_~i~4 208), 75658#(<= ULTIMATE.start_main_~i~4 206), 75661#(<= ULTIMATE.start_main_~i~4 212), 75660#(<= ULTIMATE.start_main_~i~4 210), 75663#(<= ULTIMATE.start_main_~i~4 216), 75662#(<= ULTIMATE.start_main_~i~4 214), 75665#(<= ULTIMATE.start_main_~i~4 220), 75664#(<= ULTIMATE.start_main_~i~4 218), 75667#(<= ULTIMATE.start_main_~i~4 224), 75666#(<= ULTIMATE.start_main_~i~4 222), 75669#(<= ULTIMATE.start_main_~i~4 228), 75668#(<= ULTIMATE.start_main_~i~4 226), 75671#(<= ULTIMATE.start_main_~i~4 232), 75670#(<= ULTIMATE.start_main_~i~4 230), 75673#(<= ULTIMATE.start_main_~i~4 236), 75672#(<= ULTIMATE.start_main_~i~4 234), 75675#(<= ULTIMATE.start_main_~i~4 240), 75674#(<= ULTIMATE.start_main_~i~4 238), 75677#(<= ULTIMATE.start_main_~i~4 244), 75676#(<= ULTIMATE.start_main_~i~4 242), 75679#(<= ULTIMATE.start_main_~i~4 248), 75678#(<= ULTIMATE.start_main_~i~4 246), 75681#(<= ULTIMATE.start_main_~i~4 252), 75680#(<= ULTIMATE.start_main_~i~4 250), 75683#(<= ULTIMATE.start_main_~i~4 256), 75682#(<= ULTIMATE.start_main_~i~4 254), 75685#(<= ULTIMATE.start_main_~i~4 260), 75684#(<= ULTIMATE.start_main_~i~4 258), 75687#(<= ULTIMATE.start_main_~i~4 264), 75686#(<= ULTIMATE.start_main_~i~4 262), 75689#(<= ULTIMATE.start_main_~i~4 268), 75688#(<= ULTIMATE.start_main_~i~4 266), 75691#(<= ULTIMATE.start_main_~i~4 272), 75690#(<= ULTIMATE.start_main_~i~4 270), 75693#(<= ULTIMATE.start_main_~i~4 276), 75692#(<= ULTIMATE.start_main_~i~4 274), 75695#(<= ULTIMATE.start_main_~i~4 280), 75694#(<= ULTIMATE.start_main_~i~4 278), 75697#(<= ULTIMATE.start_main_~i~4 284), 75696#(<= ULTIMATE.start_main_~i~4 282), 75699#(<= ULTIMATE.start_main_~i~4 288), 75698#(<= ULTIMATE.start_main_~i~4 286), 75701#(<= ULTIMATE.start_main_~i~4 292), 75700#(<= ULTIMATE.start_main_~i~4 290), 75703#(<= ULTIMATE.start_main_~i~4 296), 75702#(<= ULTIMATE.start_main_~i~4 294), 75705#(<= ULTIMATE.start_main_~i~4 300), 75704#(<= ULTIMATE.start_main_~i~4 298), 75707#(<= ULTIMATE.start_main_~i~4 304), 75706#(<= ULTIMATE.start_main_~i~4 302), 75709#(<= ULTIMATE.start_main_~i~4 308), 75708#(<= ULTIMATE.start_main_~i~4 306), 75711#(<= ULTIMATE.start_main_~i~4 312), 75710#(<= ULTIMATE.start_main_~i~4 310), 75713#(<= ULTIMATE.start_main_~i~4 316), 75712#(<= ULTIMATE.start_main_~i~4 314), 75715#(<= ULTIMATE.start_main_~i~4 320), 75714#(<= ULTIMATE.start_main_~i~4 318), 75717#(<= ULTIMATE.start_main_~i~4 324), 75716#(<= ULTIMATE.start_main_~i~4 322), 75719#(<= ULTIMATE.start_main_~i~4 328), 75718#(<= ULTIMATE.start_main_~i~4 326), 75721#(<= ULTIMATE.start_main_~i~4 332), 75720#(<= ULTIMATE.start_main_~i~4 330), 75723#(<= ULTIMATE.start_main_~i~4 336), 75722#(<= ULTIMATE.start_main_~i~4 334), 75724#(<= ULTIMATE.start_main_~i~4 338)] [2018-07-23 13:38:42,090 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 13:38:42,090 INFO L450 AbstractCegarLoop]: Interpolant automaton has 172 states [2018-07-23 13:38:42,092 INFO L132 InterpolantAutomaton]: Constructing interpolant automaton starting with 172 interpolants. [2018-07-23 13:38:42,093 INFO L133 InterpolantAutomaton]: CoverageRelationStatistics Valid=14706, Invalid=14706, Unknown=0, NotChecked=0, Total=29412 [2018-07-23 13:38:42,093 INFO L87 Difference]: Start difference. First operand 173 states and 173 transitions. Second operand 172 states. [2018-07-23 13:38:42,657 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2018-07-23 13:38:42,657 INFO L93 Difference]: Finished difference Result 176 states and 176 transitions. [2018-07-23 13:38:42,657 INFO L142 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 172 states. [2018-07-23 13:38:42,657 INFO L78 Accepts]: Start accepts. Automaton has 172 states. Word has length 172 [2018-07-23 13:38:42,657 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2018-07-23 13:38:42,658 INFO L225 Difference]: With dead ends: 176 [2018-07-23 13:38:42,658 INFO L226 Difference]: Without dead ends: 174 [2018-07-23 13:38:42,659 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 13:38:42,659 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 174 states. [2018-07-23 13:38:42,661 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 174 to 174. [2018-07-23 13:38:42,661 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 174 states. [2018-07-23 13:38:42,661 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 174 states to 174 states and 174 transitions. [2018-07-23 13:38:42,661 INFO L78 Accepts]: Start accepts. Automaton has 174 states and 174 transitions. Word has length 172 [2018-07-23 13:38:42,661 INFO L84 Accepts]: Finished accepts. word is rejected. [2018-07-23 13:38:42,661 INFO L471 AbstractCegarLoop]: Abstraction has 174 states and 174 transitions. [2018-07-23 13:38:42,661 INFO L472 AbstractCegarLoop]: Interpolant automaton has 172 states. [2018-07-23 13:38:42,662 INFO L276 IsEmpty]: Start isEmpty. Operand 174 states and 174 transitions. [2018-07-23 13:38:42,662 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 174 [2018-07-23 13:38:42,662 INFO L349 BasicCegarLoop]: Found error trace [2018-07-23 13:38:42,662 INFO L357 BasicCegarLoop]: trace histogram [170, 1, 1, 1] [2018-07-23 13:38:42,662 INFO L414 AbstractCegarLoop]: === Iteration 171 === [ULTIMATE.startErr0AssertViolationASSERT]=== [2018-07-23 13:38:42,662 INFO L82 PathProgramCache]: Analyzing trace with hash 1776106401, now seen corresponding path program 170 times [2018-07-23 13:38:42,662 INFO L69 tionRefinementEngine]: Using refinement strategy FixedRefinementStrategy [2018-07-23 13:38:42,758 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-07-23 13:38:43,373 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 13:38:43,374 INFO L309 seRefinementStrategy]: Constructing automaton from 0 perfect and 1 imperfect interpolant sequences. [2018-07-23 13:38:43,374 INFO L324 seRefinementStrategy]: Number of different interpolants: perfect sequences [] imperfect sequences [172] total 172 [2018-07-23 13:38:43,374 INFO L142 lantAutomatonBuilder]: Constructing canonical interpolant automaton, with selfloop in false state [2018-07-23 13:38:43,374 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2018-07-23 13:38:43,375 INFO L185 omatonBuilderFactory]: Interpolants [76545#(<= ULTIMATE.start_main_~i~4 236), 76544#(<= ULTIMATE.start_main_~i~4 234), 76547#(<= ULTIMATE.start_main_~i~4 240), 76546#(<= ULTIMATE.start_main_~i~4 238), 76549#(<= ULTIMATE.start_main_~i~4 244), 76548#(<= ULTIMATE.start_main_~i~4 242), 76551#(<= ULTIMATE.start_main_~i~4 248), 76550#(<= ULTIMATE.start_main_~i~4 246), 76553#(<= ULTIMATE.start_main_~i~4 252), 76552#(<= ULTIMATE.start_main_~i~4 250), 76555#(<= ULTIMATE.start_main_~i~4 256), 76554#(<= ULTIMATE.start_main_~i~4 254), 76557#(<= ULTIMATE.start_main_~i~4 260), 76556#(<= ULTIMATE.start_main_~i~4 258), 76559#(<= ULTIMATE.start_main_~i~4 264), 76558#(<= ULTIMATE.start_main_~i~4 262), 76561#(<= ULTIMATE.start_main_~i~4 268), 76560#(<= ULTIMATE.start_main_~i~4 266), 76563#(<= ULTIMATE.start_main_~i~4 272), 76562#(<= ULTIMATE.start_main_~i~4 270), 76565#(<= ULTIMATE.start_main_~i~4 276), 76564#(<= ULTIMATE.start_main_~i~4 274), 76567#(<= ULTIMATE.start_main_~i~4 280), 76566#(<= ULTIMATE.start_main_~i~4 278), 76569#(<= ULTIMATE.start_main_~i~4 284), 76568#(<= ULTIMATE.start_main_~i~4 282), 76571#(<= ULTIMATE.start_main_~i~4 288), 76570#(<= ULTIMATE.start_main_~i~4 286), 76573#(<= ULTIMATE.start_main_~i~4 292), 76572#(<= ULTIMATE.start_main_~i~4 290), 76575#(<= ULTIMATE.start_main_~i~4 296), 76574#(<= ULTIMATE.start_main_~i~4 294), 76577#(<= ULTIMATE.start_main_~i~4 300), 76576#(<= ULTIMATE.start_main_~i~4 298), 76579#(<= ULTIMATE.start_main_~i~4 304), 76578#(<= ULTIMATE.start_main_~i~4 302), 76581#(<= ULTIMATE.start_main_~i~4 308), 76580#(<= ULTIMATE.start_main_~i~4 306), 76583#(<= ULTIMATE.start_main_~i~4 312), 76582#(<= ULTIMATE.start_main_~i~4 310), 76585#(<= ULTIMATE.start_main_~i~4 316), 76584#(<= ULTIMATE.start_main_~i~4 314), 76587#(<= ULTIMATE.start_main_~i~4 320), 76586#(<= ULTIMATE.start_main_~i~4 318), 76589#(<= ULTIMATE.start_main_~i~4 324), 76588#(<= ULTIMATE.start_main_~i~4 322), 76591#(<= ULTIMATE.start_main_~i~4 328), 76590#(<= ULTIMATE.start_main_~i~4 326), 76593#(<= ULTIMATE.start_main_~i~4 332), 76592#(<= ULTIMATE.start_main_~i~4 330), 76595#(<= ULTIMATE.start_main_~i~4 336), 76594#(<= ULTIMATE.start_main_~i~4 334), 76597#(<= ULTIMATE.start_main_~i~4 340), 76596#(<= ULTIMATE.start_main_~i~4 338), 76425#true, 76427#(<= ULTIMATE.start_main_~i~4 0), 76426#false, 76429#(<= ULTIMATE.start_main_~i~4 4), 76428#(<= ULTIMATE.start_main_~i~4 2), 76431#(<= ULTIMATE.start_main_~i~4 8), 76430#(<= ULTIMATE.start_main_~i~4 6), 76433#(<= ULTIMATE.start_main_~i~4 12), 76432#(<= ULTIMATE.start_main_~i~4 10), 76435#(<= ULTIMATE.start_main_~i~4 16), 76434#(<= ULTIMATE.start_main_~i~4 14), 76437#(<= ULTIMATE.start_main_~i~4 20), 76436#(<= ULTIMATE.start_main_~i~4 18), 76439#(<= ULTIMATE.start_main_~i~4 24), 76438#(<= ULTIMATE.start_main_~i~4 22), 76441#(<= ULTIMATE.start_main_~i~4 28), 76440#(<= ULTIMATE.start_main_~i~4 26), 76443#(<= ULTIMATE.start_main_~i~4 32), 76442#(<= ULTIMATE.start_main_~i~4 30), 76445#(<= ULTIMATE.start_main_~i~4 36), 76444#(<= ULTIMATE.start_main_~i~4 34), 76447#(<= ULTIMATE.start_main_~i~4 40), 76446#(<= ULTIMATE.start_main_~i~4 38), 76449#(<= ULTIMATE.start_main_~i~4 44), 76448#(<= ULTIMATE.start_main_~i~4 42), 76451#(<= ULTIMATE.start_main_~i~4 48), 76450#(<= ULTIMATE.start_main_~i~4 46), 76453#(<= ULTIMATE.start_main_~i~4 52), 76452#(<= ULTIMATE.start_main_~i~4 50), 76455#(<= ULTIMATE.start_main_~i~4 56), 76454#(<= ULTIMATE.start_main_~i~4 54), 76457#(<= ULTIMATE.start_main_~i~4 60), 76456#(<= ULTIMATE.start_main_~i~4 58), 76459#(<= ULTIMATE.start_main_~i~4 64), 76458#(<= ULTIMATE.start_main_~i~4 62), 76461#(<= ULTIMATE.start_main_~i~4 68), 76460#(<= ULTIMATE.start_main_~i~4 66), 76463#(<= ULTIMATE.start_main_~i~4 72), 76462#(<= ULTIMATE.start_main_~i~4 70), 76465#(<= ULTIMATE.start_main_~i~4 76), 76464#(<= ULTIMATE.start_main_~i~4 74), 76467#(<= ULTIMATE.start_main_~i~4 80), 76466#(<= ULTIMATE.start_main_~i~4 78), 76469#(<= ULTIMATE.start_main_~i~4 84), 76468#(<= ULTIMATE.start_main_~i~4 82), 76471#(<= ULTIMATE.start_main_~i~4 88), 76470#(<= ULTIMATE.start_main_~i~4 86), 76473#(<= ULTIMATE.start_main_~i~4 92), 76472#(<= ULTIMATE.start_main_~i~4 90), 76475#(<= ULTIMATE.start_main_~i~4 96), 76474#(<= ULTIMATE.start_main_~i~4 94), 76477#(<= ULTIMATE.start_main_~i~4 100), 76476#(<= ULTIMATE.start_main_~i~4 98), 76479#(<= ULTIMATE.start_main_~i~4 104), 76478#(<= ULTIMATE.start_main_~i~4 102), 76481#(<= ULTIMATE.start_main_~i~4 108), 76480#(<= ULTIMATE.start_main_~i~4 106), 76483#(<= ULTIMATE.start_main_~i~4 112), 76482#(<= ULTIMATE.start_main_~i~4 110), 76485#(<= ULTIMATE.start_main_~i~4 116), 76484#(<= ULTIMATE.start_main_~i~4 114), 76487#(<= ULTIMATE.start_main_~i~4 120), 76486#(<= ULTIMATE.start_main_~i~4 118), 76489#(<= ULTIMATE.start_main_~i~4 124), 76488#(<= ULTIMATE.start_main_~i~4 122), 76491#(<= ULTIMATE.start_main_~i~4 128), 76490#(<= ULTIMATE.start_main_~i~4 126), 76493#(<= ULTIMATE.start_main_~i~4 132), 76492#(<= ULTIMATE.start_main_~i~4 130), 76495#(<= ULTIMATE.start_main_~i~4 136), 76494#(<= ULTIMATE.start_main_~i~4 134), 76497#(<= ULTIMATE.start_main_~i~4 140), 76496#(<= ULTIMATE.start_main_~i~4 138), 76499#(<= ULTIMATE.start_main_~i~4 144), 76498#(<= ULTIMATE.start_main_~i~4 142), 76501#(<= ULTIMATE.start_main_~i~4 148), 76500#(<= ULTIMATE.start_main_~i~4 146), 76503#(<= ULTIMATE.start_main_~i~4 152), 76502#(<= ULTIMATE.start_main_~i~4 150), 76505#(<= ULTIMATE.start_main_~i~4 156), 76504#(<= ULTIMATE.start_main_~i~4 154), 76507#(<= ULTIMATE.start_main_~i~4 160), 76506#(<= ULTIMATE.start_main_~i~4 158), 76509#(<= ULTIMATE.start_main_~i~4 164), 76508#(<= ULTIMATE.start_main_~i~4 162), 76511#(<= ULTIMATE.start_main_~i~4 168), 76510#(<= ULTIMATE.start_main_~i~4 166), 76513#(<= ULTIMATE.start_main_~i~4 172), 76512#(<= ULTIMATE.start_main_~i~4 170), 76515#(<= ULTIMATE.start_main_~i~4 176), 76514#(<= ULTIMATE.start_main_~i~4 174), 76517#(<= ULTIMATE.start_main_~i~4 180), 76516#(<= ULTIMATE.start_main_~i~4 178), 76519#(<= ULTIMATE.start_main_~i~4 184), 76518#(<= ULTIMATE.start_main_~i~4 182), 76521#(<= ULTIMATE.start_main_~i~4 188), 76520#(<= ULTIMATE.start_main_~i~4 186), 76523#(<= ULTIMATE.start_main_~i~4 192), 76522#(<= ULTIMATE.start_main_~i~4 190), 76525#(<= ULTIMATE.start_main_~i~4 196), 76524#(<= ULTIMATE.start_main_~i~4 194), 76527#(<= ULTIMATE.start_main_~i~4 200), 76526#(<= ULTIMATE.start_main_~i~4 198), 76529#(<= ULTIMATE.start_main_~i~4 204), 76528#(<= ULTIMATE.start_main_~i~4 202), 76531#(<= ULTIMATE.start_main_~i~4 208), 76530#(<= ULTIMATE.start_main_~i~4 206), 76533#(<= ULTIMATE.start_main_~i~4 212), 76532#(<= ULTIMATE.start_main_~i~4 210), 76535#(<= ULTIMATE.start_main_~i~4 216), 76534#(<= ULTIMATE.start_main_~i~4 214), 76537#(<= ULTIMATE.start_main_~i~4 220), 76536#(<= ULTIMATE.start_main_~i~4 218), 76539#(<= ULTIMATE.start_main_~i~4 224), 76538#(<= ULTIMATE.start_main_~i~4 222), 76541#(<= ULTIMATE.start_main_~i~4 228), 76540#(<= ULTIMATE.start_main_~i~4 226), 76543#(<= ULTIMATE.start_main_~i~4 232), 76542#(<= ULTIMATE.start_main_~i~4 230)] [2018-07-23 13:38:43,375 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 13:38:43,376 INFO L450 AbstractCegarLoop]: Interpolant automaton has 173 states [2018-07-23 13:38:43,378 INFO L132 InterpolantAutomaton]: Constructing interpolant automaton starting with 173 interpolants. [2018-07-23 13:38:43,379 INFO L133 InterpolantAutomaton]: CoverageRelationStatistics Valid=14878, Invalid=14878, Unknown=0, NotChecked=0, Total=29756 [2018-07-23 13:38:43,379 INFO L87 Difference]: Start difference. First operand 174 states and 174 transitions. Second operand 173 states. [2018-07-23 13:38:43,596 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2018-07-23 13:38:43,596 INFO L93 Difference]: Finished difference Result 177 states and 177 transitions. [2018-07-23 13:38:43,596 INFO L142 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 173 states. [2018-07-23 13:38:43,596 INFO L78 Accepts]: Start accepts. Automaton has 173 states. Word has length 173 [2018-07-23 13:38:43,596 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2018-07-23 13:38:43,597 INFO L225 Difference]: With dead ends: 177 [2018-07-23 13:38:43,597 INFO L226 Difference]: Without dead ends: 175 [2018-07-23 13:38:43,598 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 13:38:43,598 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 175 states. [2018-07-23 13:38:43,600 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 175 to 175. [2018-07-23 13:38:43,600 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 175 states. [2018-07-23 13:38:43,600 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 175 states to 175 states and 175 transitions. [2018-07-23 13:38:43,600 INFO L78 Accepts]: Start accepts. Automaton has 175 states and 175 transitions. Word has length 173 [2018-07-23 13:38:43,601 INFO L84 Accepts]: Finished accepts. word is rejected. [2018-07-23 13:38:43,601 INFO L471 AbstractCegarLoop]: Abstraction has 175 states and 175 transitions. [2018-07-23 13:38:43,601 INFO L472 AbstractCegarLoop]: Interpolant automaton has 173 states. [2018-07-23 13:38:43,601 INFO L276 IsEmpty]: Start isEmpty. Operand 175 states and 175 transitions. [2018-07-23 13:38:43,601 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 175 [2018-07-23 13:38:43,601 INFO L349 BasicCegarLoop]: Found error trace [2018-07-23 13:38:43,602 INFO L357 BasicCegarLoop]: trace histogram [171, 1, 1, 1] [2018-07-23 13:38:43,602 INFO L414 AbstractCegarLoop]: === Iteration 172 === [ULTIMATE.startErr0AssertViolationASSERT]=== [2018-07-23 13:38:43,602 INFO L82 PathProgramCache]: Analyzing trace with hash -775278392, now seen corresponding path program 171 times [2018-07-23 13:38:43,602 INFO L69 tionRefinementEngine]: Using refinement strategy FixedRefinementStrategy [2018-07-23 13:38:43,698 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-07-23 13:38:44,341 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 13:38:44,341 INFO L309 seRefinementStrategy]: Constructing automaton from 0 perfect and 1 imperfect interpolant sequences. [2018-07-23 13:38:44,341 INFO L324 seRefinementStrategy]: Number of different interpolants: perfect sequences [] imperfect sequences [173] total 173 [2018-07-23 13:38:44,341 INFO L142 lantAutomatonBuilder]: Constructing canonical interpolant automaton, with selfloop in false state [2018-07-23 13:38:44,341 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2018-07-23 13:38:44,342 INFO L185 omatonBuilderFactory]: Interpolants [77313#(<= ULTIMATE.start_main_~i~4 18), 77312#(<= ULTIMATE.start_main_~i~4 16), 77315#(<= ULTIMATE.start_main_~i~4 22), 77314#(<= ULTIMATE.start_main_~i~4 20), 77317#(<= ULTIMATE.start_main_~i~4 26), 77316#(<= ULTIMATE.start_main_~i~4 24), 77319#(<= ULTIMATE.start_main_~i~4 30), 77318#(<= ULTIMATE.start_main_~i~4 28), 77321#(<= ULTIMATE.start_main_~i~4 34), 77320#(<= ULTIMATE.start_main_~i~4 32), 77323#(<= ULTIMATE.start_main_~i~4 38), 77322#(<= ULTIMATE.start_main_~i~4 36), 77325#(<= ULTIMATE.start_main_~i~4 42), 77324#(<= ULTIMATE.start_main_~i~4 40), 77327#(<= ULTIMATE.start_main_~i~4 46), 77326#(<= ULTIMATE.start_main_~i~4 44), 77329#(<= ULTIMATE.start_main_~i~4 50), 77328#(<= ULTIMATE.start_main_~i~4 48), 77331#(<= ULTIMATE.start_main_~i~4 54), 77330#(<= ULTIMATE.start_main_~i~4 52), 77333#(<= ULTIMATE.start_main_~i~4 58), 77332#(<= ULTIMATE.start_main_~i~4 56), 77335#(<= ULTIMATE.start_main_~i~4 62), 77334#(<= ULTIMATE.start_main_~i~4 60), 77337#(<= ULTIMATE.start_main_~i~4 66), 77336#(<= ULTIMATE.start_main_~i~4 64), 77339#(<= ULTIMATE.start_main_~i~4 70), 77338#(<= ULTIMATE.start_main_~i~4 68), 77341#(<= ULTIMATE.start_main_~i~4 74), 77340#(<= ULTIMATE.start_main_~i~4 72), 77343#(<= ULTIMATE.start_main_~i~4 78), 77342#(<= ULTIMATE.start_main_~i~4 76), 77345#(<= ULTIMATE.start_main_~i~4 82), 77344#(<= ULTIMATE.start_main_~i~4 80), 77347#(<= ULTIMATE.start_main_~i~4 86), 77346#(<= ULTIMATE.start_main_~i~4 84), 77349#(<= ULTIMATE.start_main_~i~4 90), 77348#(<= ULTIMATE.start_main_~i~4 88), 77351#(<= ULTIMATE.start_main_~i~4 94), 77350#(<= ULTIMATE.start_main_~i~4 92), 77353#(<= ULTIMATE.start_main_~i~4 98), 77352#(<= ULTIMATE.start_main_~i~4 96), 77355#(<= ULTIMATE.start_main_~i~4 102), 77354#(<= ULTIMATE.start_main_~i~4 100), 77357#(<= ULTIMATE.start_main_~i~4 106), 77356#(<= ULTIMATE.start_main_~i~4 104), 77359#(<= ULTIMATE.start_main_~i~4 110), 77358#(<= ULTIMATE.start_main_~i~4 108), 77361#(<= ULTIMATE.start_main_~i~4 114), 77360#(<= ULTIMATE.start_main_~i~4 112), 77363#(<= ULTIMATE.start_main_~i~4 118), 77362#(<= ULTIMATE.start_main_~i~4 116), 77365#(<= ULTIMATE.start_main_~i~4 122), 77364#(<= ULTIMATE.start_main_~i~4 120), 77367#(<= ULTIMATE.start_main_~i~4 126), 77366#(<= ULTIMATE.start_main_~i~4 124), 77369#(<= ULTIMATE.start_main_~i~4 130), 77368#(<= ULTIMATE.start_main_~i~4 128), 77371#(<= ULTIMATE.start_main_~i~4 134), 77370#(<= ULTIMATE.start_main_~i~4 132), 77373#(<= ULTIMATE.start_main_~i~4 138), 77372#(<= ULTIMATE.start_main_~i~4 136), 77375#(<= ULTIMATE.start_main_~i~4 142), 77374#(<= ULTIMATE.start_main_~i~4 140), 77377#(<= ULTIMATE.start_main_~i~4 146), 77376#(<= ULTIMATE.start_main_~i~4 144), 77379#(<= ULTIMATE.start_main_~i~4 150), 77378#(<= ULTIMATE.start_main_~i~4 148), 77381#(<= ULTIMATE.start_main_~i~4 154), 77380#(<= ULTIMATE.start_main_~i~4 152), 77383#(<= ULTIMATE.start_main_~i~4 158), 77382#(<= ULTIMATE.start_main_~i~4 156), 77385#(<= ULTIMATE.start_main_~i~4 162), 77384#(<= ULTIMATE.start_main_~i~4 160), 77387#(<= ULTIMATE.start_main_~i~4 166), 77386#(<= ULTIMATE.start_main_~i~4 164), 77389#(<= ULTIMATE.start_main_~i~4 170), 77388#(<= ULTIMATE.start_main_~i~4 168), 77391#(<= ULTIMATE.start_main_~i~4 174), 77390#(<= ULTIMATE.start_main_~i~4 172), 77393#(<= ULTIMATE.start_main_~i~4 178), 77392#(<= ULTIMATE.start_main_~i~4 176), 77395#(<= ULTIMATE.start_main_~i~4 182), 77394#(<= ULTIMATE.start_main_~i~4 180), 77397#(<= ULTIMATE.start_main_~i~4 186), 77396#(<= ULTIMATE.start_main_~i~4 184), 77399#(<= ULTIMATE.start_main_~i~4 190), 77398#(<= ULTIMATE.start_main_~i~4 188), 77401#(<= ULTIMATE.start_main_~i~4 194), 77400#(<= ULTIMATE.start_main_~i~4 192), 77403#(<= ULTIMATE.start_main_~i~4 198), 77402#(<= ULTIMATE.start_main_~i~4 196), 77405#(<= ULTIMATE.start_main_~i~4 202), 77404#(<= ULTIMATE.start_main_~i~4 200), 77407#(<= ULTIMATE.start_main_~i~4 206), 77406#(<= ULTIMATE.start_main_~i~4 204), 77409#(<= ULTIMATE.start_main_~i~4 210), 77408#(<= ULTIMATE.start_main_~i~4 208), 77411#(<= ULTIMATE.start_main_~i~4 214), 77410#(<= ULTIMATE.start_main_~i~4 212), 77413#(<= ULTIMATE.start_main_~i~4 218), 77412#(<= ULTIMATE.start_main_~i~4 216), 77415#(<= ULTIMATE.start_main_~i~4 222), 77414#(<= ULTIMATE.start_main_~i~4 220), 77417#(<= ULTIMATE.start_main_~i~4 226), 77416#(<= ULTIMATE.start_main_~i~4 224), 77419#(<= ULTIMATE.start_main_~i~4 230), 77418#(<= ULTIMATE.start_main_~i~4 228), 77421#(<= ULTIMATE.start_main_~i~4 234), 77420#(<= ULTIMATE.start_main_~i~4 232), 77423#(<= ULTIMATE.start_main_~i~4 238), 77422#(<= ULTIMATE.start_main_~i~4 236), 77425#(<= ULTIMATE.start_main_~i~4 242), 77424#(<= ULTIMATE.start_main_~i~4 240), 77427#(<= ULTIMATE.start_main_~i~4 246), 77426#(<= ULTIMATE.start_main_~i~4 244), 77429#(<= ULTIMATE.start_main_~i~4 250), 77428#(<= ULTIMATE.start_main_~i~4 248), 77431#(<= ULTIMATE.start_main_~i~4 254), 77430#(<= ULTIMATE.start_main_~i~4 252), 77433#(<= ULTIMATE.start_main_~i~4 258), 77432#(<= ULTIMATE.start_main_~i~4 256), 77435#(<= ULTIMATE.start_main_~i~4 262), 77434#(<= ULTIMATE.start_main_~i~4 260), 77437#(<= ULTIMATE.start_main_~i~4 266), 77436#(<= ULTIMATE.start_main_~i~4 264), 77439#(<= ULTIMATE.start_main_~i~4 270), 77438#(<= ULTIMATE.start_main_~i~4 268), 77441#(<= ULTIMATE.start_main_~i~4 274), 77440#(<= ULTIMATE.start_main_~i~4 272), 77443#(<= ULTIMATE.start_main_~i~4 278), 77442#(<= ULTIMATE.start_main_~i~4 276), 77445#(<= ULTIMATE.start_main_~i~4 282), 77444#(<= ULTIMATE.start_main_~i~4 280), 77447#(<= ULTIMATE.start_main_~i~4 286), 77446#(<= ULTIMATE.start_main_~i~4 284), 77449#(<= ULTIMATE.start_main_~i~4 290), 77448#(<= ULTIMATE.start_main_~i~4 288), 77451#(<= ULTIMATE.start_main_~i~4 294), 77450#(<= ULTIMATE.start_main_~i~4 292), 77453#(<= ULTIMATE.start_main_~i~4 298), 77452#(<= ULTIMATE.start_main_~i~4 296), 77455#(<= ULTIMATE.start_main_~i~4 302), 77454#(<= ULTIMATE.start_main_~i~4 300), 77457#(<= ULTIMATE.start_main_~i~4 306), 77456#(<= ULTIMATE.start_main_~i~4 304), 77459#(<= ULTIMATE.start_main_~i~4 310), 77458#(<= ULTIMATE.start_main_~i~4 308), 77461#(<= ULTIMATE.start_main_~i~4 314), 77460#(<= ULTIMATE.start_main_~i~4 312), 77463#(<= ULTIMATE.start_main_~i~4 318), 77462#(<= ULTIMATE.start_main_~i~4 316), 77465#(<= ULTIMATE.start_main_~i~4 322), 77464#(<= ULTIMATE.start_main_~i~4 320), 77467#(<= ULTIMATE.start_main_~i~4 326), 77466#(<= ULTIMATE.start_main_~i~4 324), 77469#(<= ULTIMATE.start_main_~i~4 330), 77468#(<= ULTIMATE.start_main_~i~4 328), 77471#(<= ULTIMATE.start_main_~i~4 334), 77470#(<= ULTIMATE.start_main_~i~4 332), 77473#(<= ULTIMATE.start_main_~i~4 338), 77472#(<= ULTIMATE.start_main_~i~4 336), 77475#(<= ULTIMATE.start_main_~i~4 342), 77474#(<= ULTIMATE.start_main_~i~4 340), 77303#false, 77302#true, 77305#(<= ULTIMATE.start_main_~i~4 2), 77304#(<= ULTIMATE.start_main_~i~4 0), 77307#(<= ULTIMATE.start_main_~i~4 6), 77306#(<= ULTIMATE.start_main_~i~4 4), 77309#(<= ULTIMATE.start_main_~i~4 10), 77308#(<= ULTIMATE.start_main_~i~4 8), 77311#(<= ULTIMATE.start_main_~i~4 14), 77310#(<= ULTIMATE.start_main_~i~4 12)] [2018-07-23 13:38:44,342 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 13:38:44,343 INFO L450 AbstractCegarLoop]: Interpolant automaton has 174 states [2018-07-23 13:38:44,344 INFO L132 InterpolantAutomaton]: Constructing interpolant automaton starting with 174 interpolants. [2018-07-23 13:38:44,345 INFO L133 InterpolantAutomaton]: CoverageRelationStatistics Valid=15051, Invalid=15051, Unknown=0, NotChecked=0, Total=30102 [2018-07-23 13:38:44,345 INFO L87 Difference]: Start difference. First operand 175 states and 175 transitions. Second operand 174 states. [2018-07-23 13:38:44,911 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2018-07-23 13:38:44,911 INFO L93 Difference]: Finished difference Result 178 states and 178 transitions. [2018-07-23 13:38:44,911 INFO L142 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 174 states. [2018-07-23 13:38:44,911 INFO L78 Accepts]: Start accepts. Automaton has 174 states. Word has length 174 [2018-07-23 13:38:44,911 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2018-07-23 13:38:44,912 INFO L225 Difference]: With dead ends: 178 [2018-07-23 13:38:44,912 INFO L226 Difference]: Without dead ends: 176 [2018-07-23 13:38:44,914 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 13:38:44,914 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 176 states. [2018-07-23 13:38:44,916 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 176 to 176. [2018-07-23 13:38:44,916 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 176 states. [2018-07-23 13:38:44,917 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 176 states to 176 states and 176 transitions. [2018-07-23 13:38:44,917 INFO L78 Accepts]: Start accepts. Automaton has 176 states and 176 transitions. Word has length 174 [2018-07-23 13:38:44,917 INFO L84 Accepts]: Finished accepts. word is rejected. [2018-07-23 13:38:44,917 INFO L471 AbstractCegarLoop]: Abstraction has 176 states and 176 transitions. [2018-07-23 13:38:44,917 INFO L472 AbstractCegarLoop]: Interpolant automaton has 174 states. [2018-07-23 13:38:44,917 INFO L276 IsEmpty]: Start isEmpty. Operand 176 states and 176 transitions. [2018-07-23 13:38:44,918 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 176 [2018-07-23 13:38:44,918 INFO L349 BasicCegarLoop]: Found error trace [2018-07-23 13:38:44,918 INFO L357 BasicCegarLoop]: trace histogram [172, 1, 1, 1] [2018-07-23 13:38:44,918 INFO L414 AbstractCegarLoop]: === Iteration 173 === [ULTIMATE.startErr0AssertViolationASSERT]=== [2018-07-23 13:38:44,919 INFO L82 PathProgramCache]: Analyzing trace with hash 1736171649, now seen corresponding path program 172 times [2018-07-23 13:38:44,919 INFO L69 tionRefinementEngine]: Using refinement strategy FixedRefinementStrategy [2018-07-23 13:38:45,088 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-07-23 13:38:45,879 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 13:38:45,880 INFO L309 seRefinementStrategy]: Constructing automaton from 0 perfect and 1 imperfect interpolant sequences. [2018-07-23 13:38:45,880 INFO L324 seRefinementStrategy]: Number of different interpolants: perfect sequences [] imperfect sequences [174] total 174 [2018-07-23 13:38:45,880 INFO L142 lantAutomatonBuilder]: Constructing canonical interpolant automaton, with selfloop in false state [2018-07-23 13:38:45,880 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2018-07-23 13:38:45,880 INFO L185 omatonBuilderFactory]: Interpolants [78337#(<= ULTIMATE.start_main_~i~4 302), 78336#(<= ULTIMATE.start_main_~i~4 300), 78339#(<= ULTIMATE.start_main_~i~4 306), 78338#(<= ULTIMATE.start_main_~i~4 304), 78341#(<= ULTIMATE.start_main_~i~4 310), 78340#(<= ULTIMATE.start_main_~i~4 308), 78343#(<= ULTIMATE.start_main_~i~4 314), 78342#(<= ULTIMATE.start_main_~i~4 312), 78345#(<= ULTIMATE.start_main_~i~4 318), 78344#(<= ULTIMATE.start_main_~i~4 316), 78347#(<= ULTIMATE.start_main_~i~4 322), 78346#(<= ULTIMATE.start_main_~i~4 320), 78349#(<= ULTIMATE.start_main_~i~4 326), 78348#(<= ULTIMATE.start_main_~i~4 324), 78351#(<= ULTIMATE.start_main_~i~4 330), 78350#(<= ULTIMATE.start_main_~i~4 328), 78353#(<= ULTIMATE.start_main_~i~4 334), 78352#(<= ULTIMATE.start_main_~i~4 332), 78355#(<= ULTIMATE.start_main_~i~4 338), 78354#(<= ULTIMATE.start_main_~i~4 336), 78357#(<= ULTIMATE.start_main_~i~4 342), 78356#(<= ULTIMATE.start_main_~i~4 340), 78358#(<= ULTIMATE.start_main_~i~4 344), 78185#false, 78184#true, 78187#(<= ULTIMATE.start_main_~i~4 2), 78186#(<= ULTIMATE.start_main_~i~4 0), 78189#(<= ULTIMATE.start_main_~i~4 6), 78188#(<= ULTIMATE.start_main_~i~4 4), 78191#(<= ULTIMATE.start_main_~i~4 10), 78190#(<= ULTIMATE.start_main_~i~4 8), 78193#(<= ULTIMATE.start_main_~i~4 14), 78192#(<= ULTIMATE.start_main_~i~4 12), 78195#(<= ULTIMATE.start_main_~i~4 18), 78194#(<= ULTIMATE.start_main_~i~4 16), 78197#(<= ULTIMATE.start_main_~i~4 22), 78196#(<= ULTIMATE.start_main_~i~4 20), 78199#(<= ULTIMATE.start_main_~i~4 26), 78198#(<= ULTIMATE.start_main_~i~4 24), 78201#(<= ULTIMATE.start_main_~i~4 30), 78200#(<= ULTIMATE.start_main_~i~4 28), 78203#(<= ULTIMATE.start_main_~i~4 34), 78202#(<= ULTIMATE.start_main_~i~4 32), 78205#(<= ULTIMATE.start_main_~i~4 38), 78204#(<= ULTIMATE.start_main_~i~4 36), 78207#(<= ULTIMATE.start_main_~i~4 42), 78206#(<= ULTIMATE.start_main_~i~4 40), 78209#(<= ULTIMATE.start_main_~i~4 46), 78208#(<= ULTIMATE.start_main_~i~4 44), 78211#(<= ULTIMATE.start_main_~i~4 50), 78210#(<= ULTIMATE.start_main_~i~4 48), 78213#(<= ULTIMATE.start_main_~i~4 54), 78212#(<= ULTIMATE.start_main_~i~4 52), 78215#(<= ULTIMATE.start_main_~i~4 58), 78214#(<= ULTIMATE.start_main_~i~4 56), 78217#(<= ULTIMATE.start_main_~i~4 62), 78216#(<= ULTIMATE.start_main_~i~4 60), 78219#(<= ULTIMATE.start_main_~i~4 66), 78218#(<= ULTIMATE.start_main_~i~4 64), 78221#(<= ULTIMATE.start_main_~i~4 70), 78220#(<= ULTIMATE.start_main_~i~4 68), 78223#(<= ULTIMATE.start_main_~i~4 74), 78222#(<= ULTIMATE.start_main_~i~4 72), 78225#(<= ULTIMATE.start_main_~i~4 78), 78224#(<= ULTIMATE.start_main_~i~4 76), 78227#(<= ULTIMATE.start_main_~i~4 82), 78226#(<= ULTIMATE.start_main_~i~4 80), 78229#(<= ULTIMATE.start_main_~i~4 86), 78228#(<= ULTIMATE.start_main_~i~4 84), 78231#(<= ULTIMATE.start_main_~i~4 90), 78230#(<= ULTIMATE.start_main_~i~4 88), 78233#(<= ULTIMATE.start_main_~i~4 94), 78232#(<= ULTIMATE.start_main_~i~4 92), 78235#(<= ULTIMATE.start_main_~i~4 98), 78234#(<= ULTIMATE.start_main_~i~4 96), 78237#(<= ULTIMATE.start_main_~i~4 102), 78236#(<= ULTIMATE.start_main_~i~4 100), 78239#(<= ULTIMATE.start_main_~i~4 106), 78238#(<= ULTIMATE.start_main_~i~4 104), 78241#(<= ULTIMATE.start_main_~i~4 110), 78240#(<= ULTIMATE.start_main_~i~4 108), 78243#(<= ULTIMATE.start_main_~i~4 114), 78242#(<= ULTIMATE.start_main_~i~4 112), 78245#(<= ULTIMATE.start_main_~i~4 118), 78244#(<= ULTIMATE.start_main_~i~4 116), 78247#(<= ULTIMATE.start_main_~i~4 122), 78246#(<= ULTIMATE.start_main_~i~4 120), 78249#(<= ULTIMATE.start_main_~i~4 126), 78248#(<= ULTIMATE.start_main_~i~4 124), 78251#(<= ULTIMATE.start_main_~i~4 130), 78250#(<= ULTIMATE.start_main_~i~4 128), 78253#(<= ULTIMATE.start_main_~i~4 134), 78252#(<= ULTIMATE.start_main_~i~4 132), 78255#(<= ULTIMATE.start_main_~i~4 138), 78254#(<= ULTIMATE.start_main_~i~4 136), 78257#(<= ULTIMATE.start_main_~i~4 142), 78256#(<= ULTIMATE.start_main_~i~4 140), 78259#(<= ULTIMATE.start_main_~i~4 146), 78258#(<= ULTIMATE.start_main_~i~4 144), 78261#(<= ULTIMATE.start_main_~i~4 150), 78260#(<= ULTIMATE.start_main_~i~4 148), 78263#(<= ULTIMATE.start_main_~i~4 154), 78262#(<= ULTIMATE.start_main_~i~4 152), 78265#(<= ULTIMATE.start_main_~i~4 158), 78264#(<= ULTIMATE.start_main_~i~4 156), 78267#(<= ULTIMATE.start_main_~i~4 162), 78266#(<= ULTIMATE.start_main_~i~4 160), 78269#(<= ULTIMATE.start_main_~i~4 166), 78268#(<= ULTIMATE.start_main_~i~4 164), 78271#(<= ULTIMATE.start_main_~i~4 170), 78270#(<= ULTIMATE.start_main_~i~4 168), 78273#(<= ULTIMATE.start_main_~i~4 174), 78272#(<= ULTIMATE.start_main_~i~4 172), 78275#(<= ULTIMATE.start_main_~i~4 178), 78274#(<= ULTIMATE.start_main_~i~4 176), 78277#(<= ULTIMATE.start_main_~i~4 182), 78276#(<= ULTIMATE.start_main_~i~4 180), 78279#(<= ULTIMATE.start_main_~i~4 186), 78278#(<= ULTIMATE.start_main_~i~4 184), 78281#(<= ULTIMATE.start_main_~i~4 190), 78280#(<= ULTIMATE.start_main_~i~4 188), 78283#(<= ULTIMATE.start_main_~i~4 194), 78282#(<= ULTIMATE.start_main_~i~4 192), 78285#(<= ULTIMATE.start_main_~i~4 198), 78284#(<= ULTIMATE.start_main_~i~4 196), 78287#(<= ULTIMATE.start_main_~i~4 202), 78286#(<= ULTIMATE.start_main_~i~4 200), 78289#(<= ULTIMATE.start_main_~i~4 206), 78288#(<= ULTIMATE.start_main_~i~4 204), 78291#(<= ULTIMATE.start_main_~i~4 210), 78290#(<= ULTIMATE.start_main_~i~4 208), 78293#(<= ULTIMATE.start_main_~i~4 214), 78292#(<= ULTIMATE.start_main_~i~4 212), 78295#(<= ULTIMATE.start_main_~i~4 218), 78294#(<= ULTIMATE.start_main_~i~4 216), 78297#(<= ULTIMATE.start_main_~i~4 222), 78296#(<= ULTIMATE.start_main_~i~4 220), 78299#(<= ULTIMATE.start_main_~i~4 226), 78298#(<= ULTIMATE.start_main_~i~4 224), 78301#(<= ULTIMATE.start_main_~i~4 230), 78300#(<= ULTIMATE.start_main_~i~4 228), 78303#(<= ULTIMATE.start_main_~i~4 234), 78302#(<= ULTIMATE.start_main_~i~4 232), 78305#(<= ULTIMATE.start_main_~i~4 238), 78304#(<= ULTIMATE.start_main_~i~4 236), 78307#(<= ULTIMATE.start_main_~i~4 242), 78306#(<= ULTIMATE.start_main_~i~4 240), 78309#(<= ULTIMATE.start_main_~i~4 246), 78308#(<= ULTIMATE.start_main_~i~4 244), 78311#(<= ULTIMATE.start_main_~i~4 250), 78310#(<= ULTIMATE.start_main_~i~4 248), 78313#(<= ULTIMATE.start_main_~i~4 254), 78312#(<= ULTIMATE.start_main_~i~4 252), 78315#(<= ULTIMATE.start_main_~i~4 258), 78314#(<= ULTIMATE.start_main_~i~4 256), 78317#(<= ULTIMATE.start_main_~i~4 262), 78316#(<= ULTIMATE.start_main_~i~4 260), 78319#(<= ULTIMATE.start_main_~i~4 266), 78318#(<= ULTIMATE.start_main_~i~4 264), 78321#(<= ULTIMATE.start_main_~i~4 270), 78320#(<= ULTIMATE.start_main_~i~4 268), 78323#(<= ULTIMATE.start_main_~i~4 274), 78322#(<= ULTIMATE.start_main_~i~4 272), 78325#(<= ULTIMATE.start_main_~i~4 278), 78324#(<= ULTIMATE.start_main_~i~4 276), 78327#(<= ULTIMATE.start_main_~i~4 282), 78326#(<= ULTIMATE.start_main_~i~4 280), 78329#(<= ULTIMATE.start_main_~i~4 286), 78328#(<= ULTIMATE.start_main_~i~4 284), 78331#(<= ULTIMATE.start_main_~i~4 290), 78330#(<= ULTIMATE.start_main_~i~4 288), 78333#(<= ULTIMATE.start_main_~i~4 294), 78332#(<= ULTIMATE.start_main_~i~4 292), 78335#(<= ULTIMATE.start_main_~i~4 298), 78334#(<= ULTIMATE.start_main_~i~4 296)] [2018-07-23 13:38:45,881 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 13:38:45,881 INFO L450 AbstractCegarLoop]: Interpolant automaton has 175 states [2018-07-23 13:38:45,883 INFO L132 InterpolantAutomaton]: Constructing interpolant automaton starting with 175 interpolants. [2018-07-23 13:38:45,883 INFO L133 InterpolantAutomaton]: CoverageRelationStatistics Valid=15225, Invalid=15225, Unknown=0, NotChecked=0, Total=30450 [2018-07-23 13:38:45,884 INFO L87 Difference]: Start difference. First operand 176 states and 176 transitions. Second operand 175 states. [2018-07-23 13:38:46,255 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2018-07-23 13:38:46,255 INFO L93 Difference]: Finished difference Result 179 states and 179 transitions. [2018-07-23 13:38:46,255 INFO L142 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 175 states. [2018-07-23 13:38:46,255 INFO L78 Accepts]: Start accepts. Automaton has 175 states. Word has length 175 [2018-07-23 13:38:46,255 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2018-07-23 13:38:46,255 INFO L225 Difference]: With dead ends: 179 [2018-07-23 13:38:46,255 INFO L226 Difference]: Without dead ends: 177 [2018-07-23 13:38:46,257 INFO L575 BasicCegarLoop]: 0 DeclaredPredicates, 174 GetRequests, 1 SyntacticMatches, 0 SemanticMatches, 173 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 0 ImplicationChecksByTransitivity, 0.7s TimeCoverageRelationStatistics Valid=15225, Invalid=15225, Unknown=0, NotChecked=0, Total=30450 [2018-07-23 13:38:46,257 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 177 states. [2018-07-23 13:38:46,259 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 177 to 177. [2018-07-23 13:38:46,259 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 177 states. [2018-07-23 13:38:46,259 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 177 states to 177 states and 177 transitions. [2018-07-23 13:38:46,260 INFO L78 Accepts]: Start accepts. Automaton has 177 states and 177 transitions. Word has length 175 [2018-07-23 13:38:46,260 INFO L84 Accepts]: Finished accepts. word is rejected. [2018-07-23 13:38:46,260 INFO L471 AbstractCegarLoop]: Abstraction has 177 states and 177 transitions. [2018-07-23 13:38:46,260 INFO L472 AbstractCegarLoop]: Interpolant automaton has 175 states. [2018-07-23 13:38:46,260 INFO L276 IsEmpty]: Start isEmpty. Operand 177 states and 177 transitions. [2018-07-23 13:38:46,261 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 177 [2018-07-23 13:38:46,261 INFO L349 BasicCegarLoop]: Found error trace [2018-07-23 13:38:46,261 INFO L357 BasicCegarLoop]: trace histogram [173, 1, 1, 1] [2018-07-23 13:38:46,261 INFO L414 AbstractCegarLoop]: === Iteration 174 === [ULTIMATE.startErr0AssertViolationASSERT]=== [2018-07-23 13:38:46,261 INFO L82 PathProgramCache]: Analyzing trace with hash -2013255704, now seen corresponding path program 173 times [2018-07-23 13:38:46,261 INFO L69 tionRefinementEngine]: Using refinement strategy FixedRefinementStrategy [2018-07-23 13:38:46,365 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-07-23 13:38:46,995 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 13:38:46,995 INFO L309 seRefinementStrategy]: Constructing automaton from 0 perfect and 1 imperfect interpolant sequences. [2018-07-23 13:38:46,996 INFO L324 seRefinementStrategy]: Number of different interpolants: perfect sequences [] imperfect sequences [175] total 175 [2018-07-23 13:38:46,996 INFO L142 lantAutomatonBuilder]: Constructing canonical interpolant automaton, with selfloop in false state [2018-07-23 13:38:46,996 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2018-07-23 13:38:46,996 INFO L185 omatonBuilderFactory]: Interpolants [79105#(<= ULTIMATE.start_main_~i~4 64), 79104#(<= ULTIMATE.start_main_~i~4 62), 79107#(<= ULTIMATE.start_main_~i~4 68), 79106#(<= ULTIMATE.start_main_~i~4 66), 79109#(<= ULTIMATE.start_main_~i~4 72), 79108#(<= ULTIMATE.start_main_~i~4 70), 79111#(<= ULTIMATE.start_main_~i~4 76), 79110#(<= ULTIMATE.start_main_~i~4 74), 79113#(<= ULTIMATE.start_main_~i~4 80), 79112#(<= ULTIMATE.start_main_~i~4 78), 79115#(<= ULTIMATE.start_main_~i~4 84), 79114#(<= ULTIMATE.start_main_~i~4 82), 79117#(<= ULTIMATE.start_main_~i~4 88), 79116#(<= ULTIMATE.start_main_~i~4 86), 79119#(<= ULTIMATE.start_main_~i~4 92), 79118#(<= ULTIMATE.start_main_~i~4 90), 79121#(<= ULTIMATE.start_main_~i~4 96), 79120#(<= ULTIMATE.start_main_~i~4 94), 79123#(<= ULTIMATE.start_main_~i~4 100), 79122#(<= ULTIMATE.start_main_~i~4 98), 79125#(<= ULTIMATE.start_main_~i~4 104), 79124#(<= ULTIMATE.start_main_~i~4 102), 79127#(<= ULTIMATE.start_main_~i~4 108), 79126#(<= ULTIMATE.start_main_~i~4 106), 79129#(<= ULTIMATE.start_main_~i~4 112), 79128#(<= ULTIMATE.start_main_~i~4 110), 79131#(<= ULTIMATE.start_main_~i~4 116), 79130#(<= ULTIMATE.start_main_~i~4 114), 79133#(<= ULTIMATE.start_main_~i~4 120), 79132#(<= ULTIMATE.start_main_~i~4 118), 79135#(<= ULTIMATE.start_main_~i~4 124), 79134#(<= ULTIMATE.start_main_~i~4 122), 79137#(<= ULTIMATE.start_main_~i~4 128), 79136#(<= ULTIMATE.start_main_~i~4 126), 79139#(<= ULTIMATE.start_main_~i~4 132), 79138#(<= ULTIMATE.start_main_~i~4 130), 79141#(<= ULTIMATE.start_main_~i~4 136), 79140#(<= ULTIMATE.start_main_~i~4 134), 79143#(<= ULTIMATE.start_main_~i~4 140), 79142#(<= ULTIMATE.start_main_~i~4 138), 79145#(<= ULTIMATE.start_main_~i~4 144), 79144#(<= ULTIMATE.start_main_~i~4 142), 79147#(<= ULTIMATE.start_main_~i~4 148), 79146#(<= ULTIMATE.start_main_~i~4 146), 79149#(<= ULTIMATE.start_main_~i~4 152), 79148#(<= ULTIMATE.start_main_~i~4 150), 79151#(<= ULTIMATE.start_main_~i~4 156), 79150#(<= ULTIMATE.start_main_~i~4 154), 79153#(<= ULTIMATE.start_main_~i~4 160), 79152#(<= ULTIMATE.start_main_~i~4 158), 79155#(<= ULTIMATE.start_main_~i~4 164), 79154#(<= ULTIMATE.start_main_~i~4 162), 79157#(<= ULTIMATE.start_main_~i~4 168), 79156#(<= ULTIMATE.start_main_~i~4 166), 79159#(<= ULTIMATE.start_main_~i~4 172), 79158#(<= ULTIMATE.start_main_~i~4 170), 79161#(<= ULTIMATE.start_main_~i~4 176), 79160#(<= ULTIMATE.start_main_~i~4 174), 79163#(<= ULTIMATE.start_main_~i~4 180), 79162#(<= ULTIMATE.start_main_~i~4 178), 79165#(<= ULTIMATE.start_main_~i~4 184), 79164#(<= ULTIMATE.start_main_~i~4 182), 79167#(<= ULTIMATE.start_main_~i~4 188), 79166#(<= ULTIMATE.start_main_~i~4 186), 79169#(<= ULTIMATE.start_main_~i~4 192), 79168#(<= ULTIMATE.start_main_~i~4 190), 79171#(<= ULTIMATE.start_main_~i~4 196), 79170#(<= ULTIMATE.start_main_~i~4 194), 79173#(<= ULTIMATE.start_main_~i~4 200), 79172#(<= ULTIMATE.start_main_~i~4 198), 79175#(<= ULTIMATE.start_main_~i~4 204), 79174#(<= ULTIMATE.start_main_~i~4 202), 79177#(<= ULTIMATE.start_main_~i~4 208), 79176#(<= ULTIMATE.start_main_~i~4 206), 79179#(<= ULTIMATE.start_main_~i~4 212), 79178#(<= ULTIMATE.start_main_~i~4 210), 79181#(<= ULTIMATE.start_main_~i~4 216), 79180#(<= ULTIMATE.start_main_~i~4 214), 79183#(<= ULTIMATE.start_main_~i~4 220), 79182#(<= ULTIMATE.start_main_~i~4 218), 79185#(<= ULTIMATE.start_main_~i~4 224), 79184#(<= ULTIMATE.start_main_~i~4 222), 79187#(<= ULTIMATE.start_main_~i~4 228), 79186#(<= ULTIMATE.start_main_~i~4 226), 79189#(<= ULTIMATE.start_main_~i~4 232), 79188#(<= ULTIMATE.start_main_~i~4 230), 79191#(<= ULTIMATE.start_main_~i~4 236), 79190#(<= ULTIMATE.start_main_~i~4 234), 79193#(<= ULTIMATE.start_main_~i~4 240), 79192#(<= ULTIMATE.start_main_~i~4 238), 79195#(<= ULTIMATE.start_main_~i~4 244), 79194#(<= ULTIMATE.start_main_~i~4 242), 79197#(<= ULTIMATE.start_main_~i~4 248), 79196#(<= ULTIMATE.start_main_~i~4 246), 79199#(<= ULTIMATE.start_main_~i~4 252), 79198#(<= ULTIMATE.start_main_~i~4 250), 79201#(<= ULTIMATE.start_main_~i~4 256), 79200#(<= ULTIMATE.start_main_~i~4 254), 79203#(<= ULTIMATE.start_main_~i~4 260), 79202#(<= ULTIMATE.start_main_~i~4 258), 79205#(<= ULTIMATE.start_main_~i~4 264), 79204#(<= ULTIMATE.start_main_~i~4 262), 79207#(<= ULTIMATE.start_main_~i~4 268), 79206#(<= ULTIMATE.start_main_~i~4 266), 79209#(<= ULTIMATE.start_main_~i~4 272), 79208#(<= ULTIMATE.start_main_~i~4 270), 79211#(<= ULTIMATE.start_main_~i~4 276), 79210#(<= ULTIMATE.start_main_~i~4 274), 79213#(<= ULTIMATE.start_main_~i~4 280), 79212#(<= ULTIMATE.start_main_~i~4 278), 79215#(<= ULTIMATE.start_main_~i~4 284), 79214#(<= ULTIMATE.start_main_~i~4 282), 79217#(<= ULTIMATE.start_main_~i~4 288), 79216#(<= ULTIMATE.start_main_~i~4 286), 79219#(<= ULTIMATE.start_main_~i~4 292), 79218#(<= ULTIMATE.start_main_~i~4 290), 79221#(<= ULTIMATE.start_main_~i~4 296), 79220#(<= ULTIMATE.start_main_~i~4 294), 79223#(<= ULTIMATE.start_main_~i~4 300), 79222#(<= ULTIMATE.start_main_~i~4 298), 79225#(<= ULTIMATE.start_main_~i~4 304), 79224#(<= ULTIMATE.start_main_~i~4 302), 79227#(<= ULTIMATE.start_main_~i~4 308), 79226#(<= ULTIMATE.start_main_~i~4 306), 79229#(<= ULTIMATE.start_main_~i~4 312), 79228#(<= ULTIMATE.start_main_~i~4 310), 79231#(<= ULTIMATE.start_main_~i~4 316), 79230#(<= ULTIMATE.start_main_~i~4 314), 79233#(<= ULTIMATE.start_main_~i~4 320), 79232#(<= ULTIMATE.start_main_~i~4 318), 79235#(<= ULTIMATE.start_main_~i~4 324), 79234#(<= ULTIMATE.start_main_~i~4 322), 79237#(<= ULTIMATE.start_main_~i~4 328), 79236#(<= ULTIMATE.start_main_~i~4 326), 79239#(<= ULTIMATE.start_main_~i~4 332), 79238#(<= ULTIMATE.start_main_~i~4 330), 79241#(<= ULTIMATE.start_main_~i~4 336), 79240#(<= ULTIMATE.start_main_~i~4 334), 79243#(<= ULTIMATE.start_main_~i~4 340), 79242#(<= ULTIMATE.start_main_~i~4 338), 79245#(<= ULTIMATE.start_main_~i~4 344), 79244#(<= ULTIMATE.start_main_~i~4 342), 79246#(<= ULTIMATE.start_main_~i~4 346), 79071#true, 79073#(<= ULTIMATE.start_main_~i~4 0), 79072#false, 79075#(<= ULTIMATE.start_main_~i~4 4), 79074#(<= ULTIMATE.start_main_~i~4 2), 79077#(<= ULTIMATE.start_main_~i~4 8), 79076#(<= ULTIMATE.start_main_~i~4 6), 79079#(<= ULTIMATE.start_main_~i~4 12), 79078#(<= ULTIMATE.start_main_~i~4 10), 79081#(<= ULTIMATE.start_main_~i~4 16), 79080#(<= ULTIMATE.start_main_~i~4 14), 79083#(<= ULTIMATE.start_main_~i~4 20), 79082#(<= ULTIMATE.start_main_~i~4 18), 79085#(<= ULTIMATE.start_main_~i~4 24), 79084#(<= ULTIMATE.start_main_~i~4 22), 79087#(<= ULTIMATE.start_main_~i~4 28), 79086#(<= ULTIMATE.start_main_~i~4 26), 79089#(<= ULTIMATE.start_main_~i~4 32), 79088#(<= ULTIMATE.start_main_~i~4 30), 79091#(<= ULTIMATE.start_main_~i~4 36), 79090#(<= ULTIMATE.start_main_~i~4 34), 79093#(<= ULTIMATE.start_main_~i~4 40), 79092#(<= ULTIMATE.start_main_~i~4 38), 79095#(<= ULTIMATE.start_main_~i~4 44), 79094#(<= ULTIMATE.start_main_~i~4 42), 79097#(<= ULTIMATE.start_main_~i~4 48), 79096#(<= ULTIMATE.start_main_~i~4 46), 79099#(<= ULTIMATE.start_main_~i~4 52), 79098#(<= ULTIMATE.start_main_~i~4 50), 79101#(<= ULTIMATE.start_main_~i~4 56), 79100#(<= ULTIMATE.start_main_~i~4 54), 79103#(<= ULTIMATE.start_main_~i~4 60), 79102#(<= ULTIMATE.start_main_~i~4 58)] [2018-07-23 13:38:46,997 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 13:38:46,997 INFO L450 AbstractCegarLoop]: Interpolant automaton has 176 states [2018-07-23 13:38:46,999 INFO L132 InterpolantAutomaton]: Constructing interpolant automaton starting with 176 interpolants. [2018-07-23 13:38:47,000 INFO L133 InterpolantAutomaton]: CoverageRelationStatistics Valid=15400, Invalid=15400, Unknown=0, NotChecked=0, Total=30800 [2018-07-23 13:38:47,000 INFO L87 Difference]: Start difference. First operand 177 states and 177 transitions. Second operand 176 states. [2018-07-23 13:38:47,476 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2018-07-23 13:38:47,476 INFO L93 Difference]: Finished difference Result 180 states and 180 transitions. [2018-07-23 13:38:47,476 INFO L142 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 176 states. [2018-07-23 13:38:47,476 INFO L78 Accepts]: Start accepts. Automaton has 176 states. Word has length 176 [2018-07-23 13:38:47,477 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2018-07-23 13:38:47,477 INFO L225 Difference]: With dead ends: 180 [2018-07-23 13:38:47,477 INFO L226 Difference]: Without dead ends: 178 [2018-07-23 13:38:47,478 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 13:38:47,478 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 178 states. [2018-07-23 13:38:47,480 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 178 to 178. [2018-07-23 13:38:47,480 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 178 states. [2018-07-23 13:38:47,480 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 178 states to 178 states and 178 transitions. [2018-07-23 13:38:47,480 INFO L78 Accepts]: Start accepts. Automaton has 178 states and 178 transitions. Word has length 176 [2018-07-23 13:38:47,480 INFO L84 Accepts]: Finished accepts. word is rejected. [2018-07-23 13:38:47,481 INFO L471 AbstractCegarLoop]: Abstraction has 178 states and 178 transitions. [2018-07-23 13:38:47,481 INFO L472 AbstractCegarLoop]: Interpolant automaton has 176 states. [2018-07-23 13:38:47,481 INFO L276 IsEmpty]: Start isEmpty. Operand 178 states and 178 transitions. [2018-07-23 13:38:47,481 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 178 [2018-07-23 13:38:47,481 INFO L349 BasicCegarLoop]: Found error trace [2018-07-23 13:38:47,481 INFO L357 BasicCegarLoop]: trace histogram [174, 1, 1, 1] [2018-07-23 13:38:47,481 INFO L414 AbstractCegarLoop]: === Iteration 175 === [ULTIMATE.startErr0AssertViolationASSERT]=== [2018-07-23 13:38:47,481 INFO L82 PathProgramCache]: Analyzing trace with hash 2013580641, now seen corresponding path program 174 times [2018-07-23 13:38:47,481 INFO L69 tionRefinementEngine]: Using refinement strategy FixedRefinementStrategy [2018-07-23 13:38:47,587 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-07-23 13:38:48,244 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 13:38:48,244 INFO L309 seRefinementStrategy]: Constructing automaton from 0 perfect and 1 imperfect interpolant sequences. [2018-07-23 13:38:48,244 INFO L324 seRefinementStrategy]: Number of different interpolants: perfect sequences [] imperfect sequences [176] total 176 [2018-07-23 13:38:48,244 INFO L142 lantAutomatonBuilder]: Constructing canonical interpolant automaton, with selfloop in false state [2018-07-23 13:38:48,245 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2018-07-23 13:38:48,245 INFO L185 omatonBuilderFactory]: Interpolants [80129#(<= ULTIMATE.start_main_~i~4 328), 80128#(<= ULTIMATE.start_main_~i~4 326), 80131#(<= ULTIMATE.start_main_~i~4 332), 80130#(<= ULTIMATE.start_main_~i~4 330), 80133#(<= ULTIMATE.start_main_~i~4 336), 80132#(<= ULTIMATE.start_main_~i~4 334), 80135#(<= ULTIMATE.start_main_~i~4 340), 80134#(<= ULTIMATE.start_main_~i~4 338), 80137#(<= ULTIMATE.start_main_~i~4 344), 80136#(<= ULTIMATE.start_main_~i~4 342), 80139#(<= ULTIMATE.start_main_~i~4 348), 80138#(<= ULTIMATE.start_main_~i~4 346), 79963#true, 79965#(<= ULTIMATE.start_main_~i~4 0), 79964#false, 79967#(<= ULTIMATE.start_main_~i~4 4), 79966#(<= ULTIMATE.start_main_~i~4 2), 79969#(<= ULTIMATE.start_main_~i~4 8), 79968#(<= ULTIMATE.start_main_~i~4 6), 79971#(<= ULTIMATE.start_main_~i~4 12), 79970#(<= ULTIMATE.start_main_~i~4 10), 79973#(<= ULTIMATE.start_main_~i~4 16), 79972#(<= ULTIMATE.start_main_~i~4 14), 79975#(<= ULTIMATE.start_main_~i~4 20), 79974#(<= ULTIMATE.start_main_~i~4 18), 79977#(<= ULTIMATE.start_main_~i~4 24), 79976#(<= ULTIMATE.start_main_~i~4 22), 79979#(<= ULTIMATE.start_main_~i~4 28), 79978#(<= ULTIMATE.start_main_~i~4 26), 79981#(<= ULTIMATE.start_main_~i~4 32), 79980#(<= ULTIMATE.start_main_~i~4 30), 79983#(<= ULTIMATE.start_main_~i~4 36), 79982#(<= ULTIMATE.start_main_~i~4 34), 79985#(<= ULTIMATE.start_main_~i~4 40), 79984#(<= ULTIMATE.start_main_~i~4 38), 79987#(<= ULTIMATE.start_main_~i~4 44), 79986#(<= ULTIMATE.start_main_~i~4 42), 79989#(<= ULTIMATE.start_main_~i~4 48), 79988#(<= ULTIMATE.start_main_~i~4 46), 79991#(<= ULTIMATE.start_main_~i~4 52), 79990#(<= ULTIMATE.start_main_~i~4 50), 79993#(<= ULTIMATE.start_main_~i~4 56), 79992#(<= ULTIMATE.start_main_~i~4 54), 79995#(<= ULTIMATE.start_main_~i~4 60), 79994#(<= ULTIMATE.start_main_~i~4 58), 79997#(<= ULTIMATE.start_main_~i~4 64), 79996#(<= ULTIMATE.start_main_~i~4 62), 79999#(<= ULTIMATE.start_main_~i~4 68), 79998#(<= ULTIMATE.start_main_~i~4 66), 80001#(<= ULTIMATE.start_main_~i~4 72), 80000#(<= ULTIMATE.start_main_~i~4 70), 80003#(<= ULTIMATE.start_main_~i~4 76), 80002#(<= ULTIMATE.start_main_~i~4 74), 80005#(<= ULTIMATE.start_main_~i~4 80), 80004#(<= ULTIMATE.start_main_~i~4 78), 80007#(<= ULTIMATE.start_main_~i~4 84), 80006#(<= ULTIMATE.start_main_~i~4 82), 80009#(<= ULTIMATE.start_main_~i~4 88), 80008#(<= ULTIMATE.start_main_~i~4 86), 80011#(<= ULTIMATE.start_main_~i~4 92), 80010#(<= ULTIMATE.start_main_~i~4 90), 80013#(<= ULTIMATE.start_main_~i~4 96), 80012#(<= ULTIMATE.start_main_~i~4 94), 80015#(<= ULTIMATE.start_main_~i~4 100), 80014#(<= ULTIMATE.start_main_~i~4 98), 80017#(<= ULTIMATE.start_main_~i~4 104), 80016#(<= ULTIMATE.start_main_~i~4 102), 80019#(<= ULTIMATE.start_main_~i~4 108), 80018#(<= ULTIMATE.start_main_~i~4 106), 80021#(<= ULTIMATE.start_main_~i~4 112), 80020#(<= ULTIMATE.start_main_~i~4 110), 80023#(<= ULTIMATE.start_main_~i~4 116), 80022#(<= ULTIMATE.start_main_~i~4 114), 80025#(<= ULTIMATE.start_main_~i~4 120), 80024#(<= ULTIMATE.start_main_~i~4 118), 80027#(<= ULTIMATE.start_main_~i~4 124), 80026#(<= ULTIMATE.start_main_~i~4 122), 80029#(<= ULTIMATE.start_main_~i~4 128), 80028#(<= ULTIMATE.start_main_~i~4 126), 80031#(<= ULTIMATE.start_main_~i~4 132), 80030#(<= ULTIMATE.start_main_~i~4 130), 80033#(<= ULTIMATE.start_main_~i~4 136), 80032#(<= ULTIMATE.start_main_~i~4 134), 80035#(<= ULTIMATE.start_main_~i~4 140), 80034#(<= ULTIMATE.start_main_~i~4 138), 80037#(<= ULTIMATE.start_main_~i~4 144), 80036#(<= ULTIMATE.start_main_~i~4 142), 80039#(<= ULTIMATE.start_main_~i~4 148), 80038#(<= ULTIMATE.start_main_~i~4 146), 80041#(<= ULTIMATE.start_main_~i~4 152), 80040#(<= ULTIMATE.start_main_~i~4 150), 80043#(<= ULTIMATE.start_main_~i~4 156), 80042#(<= ULTIMATE.start_main_~i~4 154), 80045#(<= ULTIMATE.start_main_~i~4 160), 80044#(<= ULTIMATE.start_main_~i~4 158), 80047#(<= ULTIMATE.start_main_~i~4 164), 80046#(<= ULTIMATE.start_main_~i~4 162), 80049#(<= ULTIMATE.start_main_~i~4 168), 80048#(<= ULTIMATE.start_main_~i~4 166), 80051#(<= ULTIMATE.start_main_~i~4 172), 80050#(<= ULTIMATE.start_main_~i~4 170), 80053#(<= ULTIMATE.start_main_~i~4 176), 80052#(<= ULTIMATE.start_main_~i~4 174), 80055#(<= ULTIMATE.start_main_~i~4 180), 80054#(<= ULTIMATE.start_main_~i~4 178), 80057#(<= ULTIMATE.start_main_~i~4 184), 80056#(<= ULTIMATE.start_main_~i~4 182), 80059#(<= ULTIMATE.start_main_~i~4 188), 80058#(<= ULTIMATE.start_main_~i~4 186), 80061#(<= ULTIMATE.start_main_~i~4 192), 80060#(<= ULTIMATE.start_main_~i~4 190), 80063#(<= ULTIMATE.start_main_~i~4 196), 80062#(<= ULTIMATE.start_main_~i~4 194), 80065#(<= ULTIMATE.start_main_~i~4 200), 80064#(<= ULTIMATE.start_main_~i~4 198), 80067#(<= ULTIMATE.start_main_~i~4 204), 80066#(<= ULTIMATE.start_main_~i~4 202), 80069#(<= ULTIMATE.start_main_~i~4 208), 80068#(<= ULTIMATE.start_main_~i~4 206), 80071#(<= ULTIMATE.start_main_~i~4 212), 80070#(<= ULTIMATE.start_main_~i~4 210), 80073#(<= ULTIMATE.start_main_~i~4 216), 80072#(<= ULTIMATE.start_main_~i~4 214), 80075#(<= ULTIMATE.start_main_~i~4 220), 80074#(<= ULTIMATE.start_main_~i~4 218), 80077#(<= ULTIMATE.start_main_~i~4 224), 80076#(<= ULTIMATE.start_main_~i~4 222), 80079#(<= ULTIMATE.start_main_~i~4 228), 80078#(<= ULTIMATE.start_main_~i~4 226), 80081#(<= ULTIMATE.start_main_~i~4 232), 80080#(<= ULTIMATE.start_main_~i~4 230), 80083#(<= ULTIMATE.start_main_~i~4 236), 80082#(<= ULTIMATE.start_main_~i~4 234), 80085#(<= ULTIMATE.start_main_~i~4 240), 80084#(<= ULTIMATE.start_main_~i~4 238), 80087#(<= ULTIMATE.start_main_~i~4 244), 80086#(<= ULTIMATE.start_main_~i~4 242), 80089#(<= ULTIMATE.start_main_~i~4 248), 80088#(<= ULTIMATE.start_main_~i~4 246), 80091#(<= ULTIMATE.start_main_~i~4 252), 80090#(<= ULTIMATE.start_main_~i~4 250), 80093#(<= ULTIMATE.start_main_~i~4 256), 80092#(<= ULTIMATE.start_main_~i~4 254), 80095#(<= ULTIMATE.start_main_~i~4 260), 80094#(<= ULTIMATE.start_main_~i~4 258), 80097#(<= ULTIMATE.start_main_~i~4 264), 80096#(<= ULTIMATE.start_main_~i~4 262), 80099#(<= ULTIMATE.start_main_~i~4 268), 80098#(<= ULTIMATE.start_main_~i~4 266), 80101#(<= ULTIMATE.start_main_~i~4 272), 80100#(<= ULTIMATE.start_main_~i~4 270), 80103#(<= ULTIMATE.start_main_~i~4 276), 80102#(<= ULTIMATE.start_main_~i~4 274), 80105#(<= ULTIMATE.start_main_~i~4 280), 80104#(<= ULTIMATE.start_main_~i~4 278), 80107#(<= ULTIMATE.start_main_~i~4 284), 80106#(<= ULTIMATE.start_main_~i~4 282), 80109#(<= ULTIMATE.start_main_~i~4 288), 80108#(<= ULTIMATE.start_main_~i~4 286), 80111#(<= ULTIMATE.start_main_~i~4 292), 80110#(<= ULTIMATE.start_main_~i~4 290), 80113#(<= ULTIMATE.start_main_~i~4 296), 80112#(<= ULTIMATE.start_main_~i~4 294), 80115#(<= ULTIMATE.start_main_~i~4 300), 80114#(<= ULTIMATE.start_main_~i~4 298), 80117#(<= ULTIMATE.start_main_~i~4 304), 80116#(<= ULTIMATE.start_main_~i~4 302), 80119#(<= ULTIMATE.start_main_~i~4 308), 80118#(<= ULTIMATE.start_main_~i~4 306), 80121#(<= ULTIMATE.start_main_~i~4 312), 80120#(<= ULTIMATE.start_main_~i~4 310), 80123#(<= ULTIMATE.start_main_~i~4 316), 80122#(<= ULTIMATE.start_main_~i~4 314), 80125#(<= ULTIMATE.start_main_~i~4 320), 80124#(<= ULTIMATE.start_main_~i~4 318), 80127#(<= ULTIMATE.start_main_~i~4 324), 80126#(<= ULTIMATE.start_main_~i~4 322)] [2018-07-23 13:38:48,246 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 13:38:48,246 INFO L450 AbstractCegarLoop]: Interpolant automaton has 177 states [2018-07-23 13:38:48,248 INFO L132 InterpolantAutomaton]: Constructing interpolant automaton starting with 177 interpolants. [2018-07-23 13:38:48,249 INFO L133 InterpolantAutomaton]: CoverageRelationStatistics Valid=15576, Invalid=15576, Unknown=0, NotChecked=0, Total=31152 [2018-07-23 13:38:48,249 INFO L87 Difference]: Start difference. First operand 178 states and 178 transitions. Second operand 177 states. [2018-07-23 13:38:48,750 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2018-07-23 13:38:48,751 INFO L93 Difference]: Finished difference Result 181 states and 181 transitions. [2018-07-23 13:38:48,751 INFO L142 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 177 states. [2018-07-23 13:38:48,751 INFO L78 Accepts]: Start accepts. Automaton has 177 states. Word has length 177 [2018-07-23 13:38:48,751 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2018-07-23 13:38:48,751 INFO L225 Difference]: With dead ends: 181 [2018-07-23 13:38:48,751 INFO L226 Difference]: Without dead ends: 179 [2018-07-23 13:38:48,753 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 13:38:48,753 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 179 states. [2018-07-23 13:38:48,754 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 179 to 179. [2018-07-23 13:38:48,754 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 179 states. [2018-07-23 13:38:48,755 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 179 states to 179 states and 179 transitions. [2018-07-23 13:38:48,755 INFO L78 Accepts]: Start accepts. Automaton has 179 states and 179 transitions. Word has length 177 [2018-07-23 13:38:48,755 INFO L84 Accepts]: Finished accepts. word is rejected. [2018-07-23 13:38:48,755 INFO L471 AbstractCegarLoop]: Abstraction has 179 states and 179 transitions. [2018-07-23 13:38:48,755 INFO L472 AbstractCegarLoop]: Interpolant automaton has 177 states. [2018-07-23 13:38:48,755 INFO L276 IsEmpty]: Start isEmpty. Operand 179 states and 179 transitions. [2018-07-23 13:38:48,755 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 179 [2018-07-23 13:38:48,756 INFO L349 BasicCegarLoop]: Found error trace [2018-07-23 13:38:48,756 INFO L357 BasicCegarLoop]: trace histogram [175, 1, 1, 1] [2018-07-23 13:38:48,756 INFO L414 AbstractCegarLoop]: === Iteration 176 === [ULTIMATE.startErr0AssertViolationASSERT]=== [2018-07-23 13:38:48,756 INFO L82 PathProgramCache]: Analyzing trace with hash -2003511544, now seen corresponding path program 175 times [2018-07-23 13:38:48,756 INFO L69 tionRefinementEngine]: Using refinement strategy FixedRefinementStrategy [2018-07-23 13:38:48,858 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-07-23 13:38:49,568 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 13:38:49,569 INFO L309 seRefinementStrategy]: Constructing automaton from 0 perfect and 1 imperfect interpolant sequences. [2018-07-23 13:38:49,569 INFO L324 seRefinementStrategy]: Number of different interpolants: perfect sequences [] imperfect sequences [177] total 177 [2018-07-23 13:38:49,569 INFO L142 lantAutomatonBuilder]: Constructing canonical interpolant automaton, with selfloop in false state [2018-07-23 13:38:49,569 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2018-07-23 13:38:49,569 INFO L185 omatonBuilderFactory]: Interpolants [80897#(<= ULTIMATE.start_main_~i~4 70), 80896#(<= ULTIMATE.start_main_~i~4 68), 80899#(<= ULTIMATE.start_main_~i~4 74), 80898#(<= ULTIMATE.start_main_~i~4 72), 80901#(<= ULTIMATE.start_main_~i~4 78), 80900#(<= ULTIMATE.start_main_~i~4 76), 80903#(<= ULTIMATE.start_main_~i~4 82), 80902#(<= ULTIMATE.start_main_~i~4 80), 80905#(<= ULTIMATE.start_main_~i~4 86), 80904#(<= ULTIMATE.start_main_~i~4 84), 80907#(<= ULTIMATE.start_main_~i~4 90), 80906#(<= ULTIMATE.start_main_~i~4 88), 80909#(<= ULTIMATE.start_main_~i~4 94), 80908#(<= ULTIMATE.start_main_~i~4 92), 80911#(<= ULTIMATE.start_main_~i~4 98), 80910#(<= ULTIMATE.start_main_~i~4 96), 80913#(<= ULTIMATE.start_main_~i~4 102), 80912#(<= ULTIMATE.start_main_~i~4 100), 80915#(<= ULTIMATE.start_main_~i~4 106), 80914#(<= ULTIMATE.start_main_~i~4 104), 80917#(<= ULTIMATE.start_main_~i~4 110), 80916#(<= ULTIMATE.start_main_~i~4 108), 80919#(<= ULTIMATE.start_main_~i~4 114), 80918#(<= ULTIMATE.start_main_~i~4 112), 80921#(<= ULTIMATE.start_main_~i~4 118), 80920#(<= ULTIMATE.start_main_~i~4 116), 80923#(<= ULTIMATE.start_main_~i~4 122), 80922#(<= ULTIMATE.start_main_~i~4 120), 80925#(<= ULTIMATE.start_main_~i~4 126), 80924#(<= ULTIMATE.start_main_~i~4 124), 80927#(<= ULTIMATE.start_main_~i~4 130), 80926#(<= ULTIMATE.start_main_~i~4 128), 80929#(<= ULTIMATE.start_main_~i~4 134), 80928#(<= ULTIMATE.start_main_~i~4 132), 80931#(<= ULTIMATE.start_main_~i~4 138), 80930#(<= ULTIMATE.start_main_~i~4 136), 80933#(<= ULTIMATE.start_main_~i~4 142), 80932#(<= ULTIMATE.start_main_~i~4 140), 80935#(<= ULTIMATE.start_main_~i~4 146), 80934#(<= ULTIMATE.start_main_~i~4 144), 80937#(<= ULTIMATE.start_main_~i~4 150), 80936#(<= ULTIMATE.start_main_~i~4 148), 80939#(<= ULTIMATE.start_main_~i~4 154), 80938#(<= ULTIMATE.start_main_~i~4 152), 80941#(<= ULTIMATE.start_main_~i~4 158), 80940#(<= ULTIMATE.start_main_~i~4 156), 80943#(<= ULTIMATE.start_main_~i~4 162), 80942#(<= ULTIMATE.start_main_~i~4 160), 80945#(<= ULTIMATE.start_main_~i~4 166), 80944#(<= ULTIMATE.start_main_~i~4 164), 80947#(<= ULTIMATE.start_main_~i~4 170), 80946#(<= ULTIMATE.start_main_~i~4 168), 80949#(<= ULTIMATE.start_main_~i~4 174), 80948#(<= ULTIMATE.start_main_~i~4 172), 80951#(<= ULTIMATE.start_main_~i~4 178), 80950#(<= ULTIMATE.start_main_~i~4 176), 80953#(<= ULTIMATE.start_main_~i~4 182), 80952#(<= ULTIMATE.start_main_~i~4 180), 80955#(<= ULTIMATE.start_main_~i~4 186), 80954#(<= ULTIMATE.start_main_~i~4 184), 80957#(<= ULTIMATE.start_main_~i~4 190), 80956#(<= ULTIMATE.start_main_~i~4 188), 80959#(<= ULTIMATE.start_main_~i~4 194), 80958#(<= ULTIMATE.start_main_~i~4 192), 80961#(<= ULTIMATE.start_main_~i~4 198), 80960#(<= ULTIMATE.start_main_~i~4 196), 80963#(<= ULTIMATE.start_main_~i~4 202), 80962#(<= ULTIMATE.start_main_~i~4 200), 80965#(<= ULTIMATE.start_main_~i~4 206), 80964#(<= ULTIMATE.start_main_~i~4 204), 80967#(<= ULTIMATE.start_main_~i~4 210), 80966#(<= ULTIMATE.start_main_~i~4 208), 80969#(<= ULTIMATE.start_main_~i~4 214), 80968#(<= ULTIMATE.start_main_~i~4 212), 80971#(<= ULTIMATE.start_main_~i~4 218), 80970#(<= ULTIMATE.start_main_~i~4 216), 80973#(<= ULTIMATE.start_main_~i~4 222), 80972#(<= ULTIMATE.start_main_~i~4 220), 80975#(<= ULTIMATE.start_main_~i~4 226), 80974#(<= ULTIMATE.start_main_~i~4 224), 80977#(<= ULTIMATE.start_main_~i~4 230), 80976#(<= ULTIMATE.start_main_~i~4 228), 80979#(<= ULTIMATE.start_main_~i~4 234), 80978#(<= ULTIMATE.start_main_~i~4 232), 80981#(<= ULTIMATE.start_main_~i~4 238), 80980#(<= ULTIMATE.start_main_~i~4 236), 80983#(<= ULTIMATE.start_main_~i~4 242), 80982#(<= ULTIMATE.start_main_~i~4 240), 80985#(<= ULTIMATE.start_main_~i~4 246), 80984#(<= ULTIMATE.start_main_~i~4 244), 80987#(<= ULTIMATE.start_main_~i~4 250), 80986#(<= ULTIMATE.start_main_~i~4 248), 80989#(<= ULTIMATE.start_main_~i~4 254), 80988#(<= ULTIMATE.start_main_~i~4 252), 80991#(<= ULTIMATE.start_main_~i~4 258), 80990#(<= ULTIMATE.start_main_~i~4 256), 80993#(<= ULTIMATE.start_main_~i~4 262), 80992#(<= ULTIMATE.start_main_~i~4 260), 80995#(<= ULTIMATE.start_main_~i~4 266), 80994#(<= ULTIMATE.start_main_~i~4 264), 80997#(<= ULTIMATE.start_main_~i~4 270), 80996#(<= ULTIMATE.start_main_~i~4 268), 80999#(<= ULTIMATE.start_main_~i~4 274), 80998#(<= ULTIMATE.start_main_~i~4 272), 81001#(<= ULTIMATE.start_main_~i~4 278), 81000#(<= ULTIMATE.start_main_~i~4 276), 81003#(<= ULTIMATE.start_main_~i~4 282), 81002#(<= ULTIMATE.start_main_~i~4 280), 81005#(<= ULTIMATE.start_main_~i~4 286), 81004#(<= ULTIMATE.start_main_~i~4 284), 81007#(<= ULTIMATE.start_main_~i~4 290), 81006#(<= ULTIMATE.start_main_~i~4 288), 81009#(<= ULTIMATE.start_main_~i~4 294), 81008#(<= ULTIMATE.start_main_~i~4 292), 81011#(<= ULTIMATE.start_main_~i~4 298), 81010#(<= ULTIMATE.start_main_~i~4 296), 81013#(<= ULTIMATE.start_main_~i~4 302), 81012#(<= ULTIMATE.start_main_~i~4 300), 81015#(<= ULTIMATE.start_main_~i~4 306), 81014#(<= ULTIMATE.start_main_~i~4 304), 81017#(<= ULTIMATE.start_main_~i~4 310), 81016#(<= ULTIMATE.start_main_~i~4 308), 81019#(<= ULTIMATE.start_main_~i~4 314), 81018#(<= ULTIMATE.start_main_~i~4 312), 81021#(<= ULTIMATE.start_main_~i~4 318), 81020#(<= ULTIMATE.start_main_~i~4 316), 81023#(<= ULTIMATE.start_main_~i~4 322), 81022#(<= ULTIMATE.start_main_~i~4 320), 81025#(<= ULTIMATE.start_main_~i~4 326), 81024#(<= ULTIMATE.start_main_~i~4 324), 81027#(<= ULTIMATE.start_main_~i~4 330), 81026#(<= ULTIMATE.start_main_~i~4 328), 81029#(<= ULTIMATE.start_main_~i~4 334), 81028#(<= ULTIMATE.start_main_~i~4 332), 81031#(<= ULTIMATE.start_main_~i~4 338), 81030#(<= ULTIMATE.start_main_~i~4 336), 81033#(<= ULTIMATE.start_main_~i~4 342), 81032#(<= ULTIMATE.start_main_~i~4 340), 81035#(<= ULTIMATE.start_main_~i~4 346), 81034#(<= ULTIMATE.start_main_~i~4 344), 81037#(<= ULTIMATE.start_main_~i~4 350), 81036#(<= ULTIMATE.start_main_~i~4 348), 80861#false, 80860#true, 80863#(<= ULTIMATE.start_main_~i~4 2), 80862#(<= ULTIMATE.start_main_~i~4 0), 80865#(<= ULTIMATE.start_main_~i~4 6), 80864#(<= ULTIMATE.start_main_~i~4 4), 80867#(<= ULTIMATE.start_main_~i~4 10), 80866#(<= ULTIMATE.start_main_~i~4 8), 80869#(<= ULTIMATE.start_main_~i~4 14), 80868#(<= ULTIMATE.start_main_~i~4 12), 80871#(<= ULTIMATE.start_main_~i~4 18), 80870#(<= ULTIMATE.start_main_~i~4 16), 80873#(<= ULTIMATE.start_main_~i~4 22), 80872#(<= ULTIMATE.start_main_~i~4 20), 80875#(<= ULTIMATE.start_main_~i~4 26), 80874#(<= ULTIMATE.start_main_~i~4 24), 80877#(<= ULTIMATE.start_main_~i~4 30), 80876#(<= ULTIMATE.start_main_~i~4 28), 80879#(<= ULTIMATE.start_main_~i~4 34), 80878#(<= ULTIMATE.start_main_~i~4 32), 80881#(<= ULTIMATE.start_main_~i~4 38), 80880#(<= ULTIMATE.start_main_~i~4 36), 80883#(<= ULTIMATE.start_main_~i~4 42), 80882#(<= ULTIMATE.start_main_~i~4 40), 80885#(<= ULTIMATE.start_main_~i~4 46), 80884#(<= ULTIMATE.start_main_~i~4 44), 80887#(<= ULTIMATE.start_main_~i~4 50), 80886#(<= ULTIMATE.start_main_~i~4 48), 80889#(<= ULTIMATE.start_main_~i~4 54), 80888#(<= ULTIMATE.start_main_~i~4 52), 80891#(<= ULTIMATE.start_main_~i~4 58), 80890#(<= ULTIMATE.start_main_~i~4 56), 80893#(<= ULTIMATE.start_main_~i~4 62), 80892#(<= ULTIMATE.start_main_~i~4 60), 80895#(<= ULTIMATE.start_main_~i~4 66), 80894#(<= ULTIMATE.start_main_~i~4 64)] [2018-07-23 13:38:49,570 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 13:38:49,570 INFO L450 AbstractCegarLoop]: Interpolant automaton has 178 states [2018-07-23 13:38:49,571 INFO L132 InterpolantAutomaton]: Constructing interpolant automaton starting with 178 interpolants. [2018-07-23 13:38:49,572 INFO L133 InterpolantAutomaton]: CoverageRelationStatistics Valid=15753, Invalid=15753, Unknown=0, NotChecked=0, Total=31506 [2018-07-23 13:38:49,572 INFO L87 Difference]: Start difference. First operand 179 states and 179 transitions. Second operand 178 states. [2018-07-23 13:38:50,031 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2018-07-23 13:38:50,031 INFO L93 Difference]: Finished difference Result 182 states and 182 transitions. [2018-07-23 13:38:50,031 INFO L142 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 178 states. [2018-07-23 13:38:50,031 INFO L78 Accepts]: Start accepts. Automaton has 178 states. Word has length 178 [2018-07-23 13:38:50,032 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2018-07-23 13:38:50,032 INFO L225 Difference]: With dead ends: 182 [2018-07-23 13:38:50,032 INFO L226 Difference]: Without dead ends: 180 [2018-07-23 13:38:50,033 INFO L575 BasicCegarLoop]: 0 DeclaredPredicates, 177 GetRequests, 1 SyntacticMatches, 0 SemanticMatches, 176 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 0 ImplicationChecksByTransitivity, 0.6s TimeCoverageRelationStatistics Valid=15753, Invalid=15753, Unknown=0, NotChecked=0, Total=31506 [2018-07-23 13:38:50,034 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 180 states. [2018-07-23 13:38:50,036 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 180 to 180. [2018-07-23 13:38:50,036 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 180 states. [2018-07-23 13:38:50,036 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 180 states to 180 states and 180 transitions. [2018-07-23 13:38:50,037 INFO L78 Accepts]: Start accepts. Automaton has 180 states and 180 transitions. Word has length 178 [2018-07-23 13:38:50,037 INFO L84 Accepts]: Finished accepts. word is rejected. [2018-07-23 13:38:50,037 INFO L471 AbstractCegarLoop]: Abstraction has 180 states and 180 transitions. [2018-07-23 13:38:50,037 INFO L472 AbstractCegarLoop]: Interpolant automaton has 178 states. [2018-07-23 13:38:50,037 INFO L276 IsEmpty]: Start isEmpty. Operand 180 states and 180 transitions. [2018-07-23 13:38:50,038 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 180 [2018-07-23 13:38:50,038 INFO L349 BasicCegarLoop]: Found error trace [2018-07-23 13:38:50,038 INFO L357 BasicCegarLoop]: trace histogram [176, 1, 1, 1] [2018-07-23 13:38:50,038 INFO L414 AbstractCegarLoop]: === Iteration 177 === [ULTIMATE.startErr0AssertViolationASSERT]=== [2018-07-23 13:38:50,038 INFO L82 PathProgramCache]: Analyzing trace with hash -1979317695, now seen corresponding path program 176 times [2018-07-23 13:38:50,038 INFO L69 tionRefinementEngine]: Using refinement strategy FixedRefinementStrategy [2018-07-23 13:38:50,223 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-07-23 13:38:50,877 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 13:38:50,878 INFO L309 seRefinementStrategy]: Constructing automaton from 0 perfect and 1 imperfect interpolant sequences. [2018-07-23 13:38:50,878 INFO L324 seRefinementStrategy]: Number of different interpolants: perfect sequences [] imperfect sequences [178] total 178 [2018-07-23 13:38:50,878 INFO L142 lantAutomatonBuilder]: Constructing canonical interpolant automaton, with selfloop in false state [2018-07-23 13:38:50,878 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2018-07-23 13:38:50,878 INFO L185 omatonBuilderFactory]: Interpolants [81921#(<= ULTIMATE.start_main_~i~4 314), 81920#(<= ULTIMATE.start_main_~i~4 312), 81923#(<= ULTIMATE.start_main_~i~4 318), 81922#(<= ULTIMATE.start_main_~i~4 316), 81925#(<= ULTIMATE.start_main_~i~4 322), 81924#(<= ULTIMATE.start_main_~i~4 320), 81927#(<= ULTIMATE.start_main_~i~4 326), 81926#(<= ULTIMATE.start_main_~i~4 324), 81929#(<= ULTIMATE.start_main_~i~4 330), 81928#(<= ULTIMATE.start_main_~i~4 328), 81931#(<= ULTIMATE.start_main_~i~4 334), 81930#(<= ULTIMATE.start_main_~i~4 332), 81933#(<= ULTIMATE.start_main_~i~4 338), 81932#(<= ULTIMATE.start_main_~i~4 336), 81935#(<= ULTIMATE.start_main_~i~4 342), 81934#(<= ULTIMATE.start_main_~i~4 340), 81937#(<= ULTIMATE.start_main_~i~4 346), 81936#(<= ULTIMATE.start_main_~i~4 344), 81939#(<= ULTIMATE.start_main_~i~4 350), 81938#(<= ULTIMATE.start_main_~i~4 348), 81940#(<= ULTIMATE.start_main_~i~4 352), 81763#false, 81762#true, 81765#(<= ULTIMATE.start_main_~i~4 2), 81764#(<= ULTIMATE.start_main_~i~4 0), 81767#(<= ULTIMATE.start_main_~i~4 6), 81766#(<= ULTIMATE.start_main_~i~4 4), 81769#(<= ULTIMATE.start_main_~i~4 10), 81768#(<= ULTIMATE.start_main_~i~4 8), 81771#(<= ULTIMATE.start_main_~i~4 14), 81770#(<= ULTIMATE.start_main_~i~4 12), 81773#(<= ULTIMATE.start_main_~i~4 18), 81772#(<= ULTIMATE.start_main_~i~4 16), 81775#(<= ULTIMATE.start_main_~i~4 22), 81774#(<= ULTIMATE.start_main_~i~4 20), 81777#(<= ULTIMATE.start_main_~i~4 26), 81776#(<= ULTIMATE.start_main_~i~4 24), 81779#(<= ULTIMATE.start_main_~i~4 30), 81778#(<= ULTIMATE.start_main_~i~4 28), 81781#(<= ULTIMATE.start_main_~i~4 34), 81780#(<= ULTIMATE.start_main_~i~4 32), 81783#(<= ULTIMATE.start_main_~i~4 38), 81782#(<= ULTIMATE.start_main_~i~4 36), 81785#(<= ULTIMATE.start_main_~i~4 42), 81784#(<= ULTIMATE.start_main_~i~4 40), 81787#(<= ULTIMATE.start_main_~i~4 46), 81786#(<= ULTIMATE.start_main_~i~4 44), 81789#(<= ULTIMATE.start_main_~i~4 50), 81788#(<= ULTIMATE.start_main_~i~4 48), 81791#(<= ULTIMATE.start_main_~i~4 54), 81790#(<= ULTIMATE.start_main_~i~4 52), 81793#(<= ULTIMATE.start_main_~i~4 58), 81792#(<= ULTIMATE.start_main_~i~4 56), 81795#(<= ULTIMATE.start_main_~i~4 62), 81794#(<= ULTIMATE.start_main_~i~4 60), 81797#(<= ULTIMATE.start_main_~i~4 66), 81796#(<= ULTIMATE.start_main_~i~4 64), 81799#(<= ULTIMATE.start_main_~i~4 70), 81798#(<= ULTIMATE.start_main_~i~4 68), 81801#(<= ULTIMATE.start_main_~i~4 74), 81800#(<= ULTIMATE.start_main_~i~4 72), 81803#(<= ULTIMATE.start_main_~i~4 78), 81802#(<= ULTIMATE.start_main_~i~4 76), 81805#(<= ULTIMATE.start_main_~i~4 82), 81804#(<= ULTIMATE.start_main_~i~4 80), 81807#(<= ULTIMATE.start_main_~i~4 86), 81806#(<= ULTIMATE.start_main_~i~4 84), 81809#(<= ULTIMATE.start_main_~i~4 90), 81808#(<= ULTIMATE.start_main_~i~4 88), 81811#(<= ULTIMATE.start_main_~i~4 94), 81810#(<= ULTIMATE.start_main_~i~4 92), 81813#(<= ULTIMATE.start_main_~i~4 98), 81812#(<= ULTIMATE.start_main_~i~4 96), 81815#(<= ULTIMATE.start_main_~i~4 102), 81814#(<= ULTIMATE.start_main_~i~4 100), 81817#(<= ULTIMATE.start_main_~i~4 106), 81816#(<= ULTIMATE.start_main_~i~4 104), 81819#(<= ULTIMATE.start_main_~i~4 110), 81818#(<= ULTIMATE.start_main_~i~4 108), 81821#(<= ULTIMATE.start_main_~i~4 114), 81820#(<= ULTIMATE.start_main_~i~4 112), 81823#(<= ULTIMATE.start_main_~i~4 118), 81822#(<= ULTIMATE.start_main_~i~4 116), 81825#(<= ULTIMATE.start_main_~i~4 122), 81824#(<= ULTIMATE.start_main_~i~4 120), 81827#(<= ULTIMATE.start_main_~i~4 126), 81826#(<= ULTIMATE.start_main_~i~4 124), 81829#(<= ULTIMATE.start_main_~i~4 130), 81828#(<= ULTIMATE.start_main_~i~4 128), 81831#(<= ULTIMATE.start_main_~i~4 134), 81830#(<= ULTIMATE.start_main_~i~4 132), 81833#(<= ULTIMATE.start_main_~i~4 138), 81832#(<= ULTIMATE.start_main_~i~4 136), 81835#(<= ULTIMATE.start_main_~i~4 142), 81834#(<= ULTIMATE.start_main_~i~4 140), 81837#(<= ULTIMATE.start_main_~i~4 146), 81836#(<= ULTIMATE.start_main_~i~4 144), 81839#(<= ULTIMATE.start_main_~i~4 150), 81838#(<= ULTIMATE.start_main_~i~4 148), 81841#(<= ULTIMATE.start_main_~i~4 154), 81840#(<= ULTIMATE.start_main_~i~4 152), 81843#(<= ULTIMATE.start_main_~i~4 158), 81842#(<= ULTIMATE.start_main_~i~4 156), 81845#(<= ULTIMATE.start_main_~i~4 162), 81844#(<= ULTIMATE.start_main_~i~4 160), 81847#(<= ULTIMATE.start_main_~i~4 166), 81846#(<= ULTIMATE.start_main_~i~4 164), 81849#(<= ULTIMATE.start_main_~i~4 170), 81848#(<= ULTIMATE.start_main_~i~4 168), 81851#(<= ULTIMATE.start_main_~i~4 174), 81850#(<= ULTIMATE.start_main_~i~4 172), 81853#(<= ULTIMATE.start_main_~i~4 178), 81852#(<= ULTIMATE.start_main_~i~4 176), 81855#(<= ULTIMATE.start_main_~i~4 182), 81854#(<= ULTIMATE.start_main_~i~4 180), 81857#(<= ULTIMATE.start_main_~i~4 186), 81856#(<= ULTIMATE.start_main_~i~4 184), 81859#(<= ULTIMATE.start_main_~i~4 190), 81858#(<= ULTIMATE.start_main_~i~4 188), 81861#(<= ULTIMATE.start_main_~i~4 194), 81860#(<= ULTIMATE.start_main_~i~4 192), 81863#(<= ULTIMATE.start_main_~i~4 198), 81862#(<= ULTIMATE.start_main_~i~4 196), 81865#(<= ULTIMATE.start_main_~i~4 202), 81864#(<= ULTIMATE.start_main_~i~4 200), 81867#(<= ULTIMATE.start_main_~i~4 206), 81866#(<= ULTIMATE.start_main_~i~4 204), 81869#(<= ULTIMATE.start_main_~i~4 210), 81868#(<= ULTIMATE.start_main_~i~4 208), 81871#(<= ULTIMATE.start_main_~i~4 214), 81870#(<= ULTIMATE.start_main_~i~4 212), 81873#(<= ULTIMATE.start_main_~i~4 218), 81872#(<= ULTIMATE.start_main_~i~4 216), 81875#(<= ULTIMATE.start_main_~i~4 222), 81874#(<= ULTIMATE.start_main_~i~4 220), 81877#(<= ULTIMATE.start_main_~i~4 226), 81876#(<= ULTIMATE.start_main_~i~4 224), 81879#(<= ULTIMATE.start_main_~i~4 230), 81878#(<= ULTIMATE.start_main_~i~4 228), 81881#(<= ULTIMATE.start_main_~i~4 234), 81880#(<= ULTIMATE.start_main_~i~4 232), 81883#(<= ULTIMATE.start_main_~i~4 238), 81882#(<= ULTIMATE.start_main_~i~4 236), 81885#(<= ULTIMATE.start_main_~i~4 242), 81884#(<= ULTIMATE.start_main_~i~4 240), 81887#(<= ULTIMATE.start_main_~i~4 246), 81886#(<= ULTIMATE.start_main_~i~4 244), 81889#(<= ULTIMATE.start_main_~i~4 250), 81888#(<= ULTIMATE.start_main_~i~4 248), 81891#(<= ULTIMATE.start_main_~i~4 254), 81890#(<= ULTIMATE.start_main_~i~4 252), 81893#(<= ULTIMATE.start_main_~i~4 258), 81892#(<= ULTIMATE.start_main_~i~4 256), 81895#(<= ULTIMATE.start_main_~i~4 262), 81894#(<= ULTIMATE.start_main_~i~4 260), 81897#(<= ULTIMATE.start_main_~i~4 266), 81896#(<= ULTIMATE.start_main_~i~4 264), 81899#(<= ULTIMATE.start_main_~i~4 270), 81898#(<= ULTIMATE.start_main_~i~4 268), 81901#(<= ULTIMATE.start_main_~i~4 274), 81900#(<= ULTIMATE.start_main_~i~4 272), 81903#(<= ULTIMATE.start_main_~i~4 278), 81902#(<= ULTIMATE.start_main_~i~4 276), 81905#(<= ULTIMATE.start_main_~i~4 282), 81904#(<= ULTIMATE.start_main_~i~4 280), 81907#(<= ULTIMATE.start_main_~i~4 286), 81906#(<= ULTIMATE.start_main_~i~4 284), 81909#(<= ULTIMATE.start_main_~i~4 290), 81908#(<= ULTIMATE.start_main_~i~4 288), 81911#(<= ULTIMATE.start_main_~i~4 294), 81910#(<= ULTIMATE.start_main_~i~4 292), 81913#(<= ULTIMATE.start_main_~i~4 298), 81912#(<= ULTIMATE.start_main_~i~4 296), 81915#(<= ULTIMATE.start_main_~i~4 302), 81914#(<= ULTIMATE.start_main_~i~4 300), 81917#(<= ULTIMATE.start_main_~i~4 306), 81916#(<= ULTIMATE.start_main_~i~4 304), 81919#(<= ULTIMATE.start_main_~i~4 310), 81918#(<= ULTIMATE.start_main_~i~4 308)] [2018-07-23 13:38:50,879 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 13:38:50,879 INFO L450 AbstractCegarLoop]: Interpolant automaton has 179 states [2018-07-23 13:38:50,881 INFO L132 InterpolantAutomaton]: Constructing interpolant automaton starting with 179 interpolants. [2018-07-23 13:38:50,882 INFO L133 InterpolantAutomaton]: CoverageRelationStatistics Valid=15931, Invalid=15931, Unknown=0, NotChecked=0, Total=31862 [2018-07-23 13:38:50,882 INFO L87 Difference]: Start difference. First operand 180 states and 180 transitions. Second operand 179 states. [2018-07-23 13:38:51,311 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2018-07-23 13:38:51,312 INFO L93 Difference]: Finished difference Result 183 states and 183 transitions. [2018-07-23 13:38:51,312 INFO L142 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 179 states. [2018-07-23 13:38:51,312 INFO L78 Accepts]: Start accepts. Automaton has 179 states. Word has length 179 [2018-07-23 13:38:51,312 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2018-07-23 13:38:51,312 INFO L225 Difference]: With dead ends: 183 [2018-07-23 13:38:51,312 INFO L226 Difference]: Without dead ends: 181 [2018-07-23 13:38:51,314 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 13:38:51,314 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 181 states. [2018-07-23 13:38:51,315 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 181 to 181. [2018-07-23 13:38:51,316 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 181 states. [2018-07-23 13:38:51,316 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 181 states to 181 states and 181 transitions. [2018-07-23 13:38:51,316 INFO L78 Accepts]: Start accepts. Automaton has 181 states and 181 transitions. Word has length 179 [2018-07-23 13:38:51,316 INFO L84 Accepts]: Finished accepts. word is rejected. [2018-07-23 13:38:51,316 INFO L471 AbstractCegarLoop]: Abstraction has 181 states and 181 transitions. [2018-07-23 13:38:51,316 INFO L472 AbstractCegarLoop]: Interpolant automaton has 179 states. [2018-07-23 13:38:51,317 INFO L276 IsEmpty]: Start isEmpty. Operand 181 states and 181 transitions. [2018-07-23 13:38:51,317 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 181 [2018-07-23 13:38:51,317 INFO L349 BasicCegarLoop]: Found error trace [2018-07-23 13:38:51,317 INFO L357 BasicCegarLoop]: trace histogram [177, 1, 1, 1] [2018-07-23 13:38:51,317 INFO L414 AbstractCegarLoop]: === Iteration 178 === [ULTIMATE.startErr0AssertViolationASSERT]=== [2018-07-23 13:38:51,318 INFO L82 PathProgramCache]: Analyzing trace with hash -1229308376, now seen corresponding path program 177 times [2018-07-23 13:38:51,318 INFO L69 tionRefinementEngine]: Using refinement strategy FixedRefinementStrategy [2018-07-23 13:38:51,431 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-07-23 13:38:52,105 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 13:38:52,105 INFO L309 seRefinementStrategy]: Constructing automaton from 0 perfect and 1 imperfect interpolant sequences. [2018-07-23 13:38:52,105 INFO L324 seRefinementStrategy]: Number of different interpolants: perfect sequences [] imperfect sequences [179] total 179 [2018-07-23 13:38:52,105 INFO L142 lantAutomatonBuilder]: Constructing canonical interpolant automaton, with selfloop in false state [2018-07-23 13:38:52,106 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2018-07-23 13:38:52,106 INFO L185 omatonBuilderFactory]: Interpolants [82689#(<= ULTIMATE.start_main_~i~4 36), 82688#(<= ULTIMATE.start_main_~i~4 34), 82691#(<= ULTIMATE.start_main_~i~4 40), 82690#(<= ULTIMATE.start_main_~i~4 38), 82693#(<= ULTIMATE.start_main_~i~4 44), 82692#(<= ULTIMATE.start_main_~i~4 42), 82695#(<= ULTIMATE.start_main_~i~4 48), 82694#(<= ULTIMATE.start_main_~i~4 46), 82697#(<= ULTIMATE.start_main_~i~4 52), 82696#(<= ULTIMATE.start_main_~i~4 50), 82699#(<= ULTIMATE.start_main_~i~4 56), 82698#(<= ULTIMATE.start_main_~i~4 54), 82701#(<= ULTIMATE.start_main_~i~4 60), 82700#(<= ULTIMATE.start_main_~i~4 58), 82703#(<= ULTIMATE.start_main_~i~4 64), 82702#(<= ULTIMATE.start_main_~i~4 62), 82705#(<= ULTIMATE.start_main_~i~4 68), 82704#(<= ULTIMATE.start_main_~i~4 66), 82707#(<= ULTIMATE.start_main_~i~4 72), 82706#(<= ULTIMATE.start_main_~i~4 70), 82709#(<= ULTIMATE.start_main_~i~4 76), 82708#(<= ULTIMATE.start_main_~i~4 74), 82711#(<= ULTIMATE.start_main_~i~4 80), 82710#(<= ULTIMATE.start_main_~i~4 78), 82713#(<= ULTIMATE.start_main_~i~4 84), 82712#(<= ULTIMATE.start_main_~i~4 82), 82715#(<= ULTIMATE.start_main_~i~4 88), 82714#(<= ULTIMATE.start_main_~i~4 86), 82717#(<= ULTIMATE.start_main_~i~4 92), 82716#(<= ULTIMATE.start_main_~i~4 90), 82719#(<= ULTIMATE.start_main_~i~4 96), 82718#(<= ULTIMATE.start_main_~i~4 94), 82721#(<= ULTIMATE.start_main_~i~4 100), 82720#(<= ULTIMATE.start_main_~i~4 98), 82723#(<= ULTIMATE.start_main_~i~4 104), 82722#(<= ULTIMATE.start_main_~i~4 102), 82725#(<= ULTIMATE.start_main_~i~4 108), 82724#(<= ULTIMATE.start_main_~i~4 106), 82727#(<= ULTIMATE.start_main_~i~4 112), 82726#(<= ULTIMATE.start_main_~i~4 110), 82729#(<= ULTIMATE.start_main_~i~4 116), 82728#(<= ULTIMATE.start_main_~i~4 114), 82731#(<= ULTIMATE.start_main_~i~4 120), 82730#(<= ULTIMATE.start_main_~i~4 118), 82733#(<= ULTIMATE.start_main_~i~4 124), 82732#(<= ULTIMATE.start_main_~i~4 122), 82735#(<= ULTIMATE.start_main_~i~4 128), 82734#(<= ULTIMATE.start_main_~i~4 126), 82737#(<= ULTIMATE.start_main_~i~4 132), 82736#(<= ULTIMATE.start_main_~i~4 130), 82739#(<= ULTIMATE.start_main_~i~4 136), 82738#(<= ULTIMATE.start_main_~i~4 134), 82741#(<= ULTIMATE.start_main_~i~4 140), 82740#(<= ULTIMATE.start_main_~i~4 138), 82743#(<= ULTIMATE.start_main_~i~4 144), 82742#(<= ULTIMATE.start_main_~i~4 142), 82745#(<= ULTIMATE.start_main_~i~4 148), 82744#(<= ULTIMATE.start_main_~i~4 146), 82747#(<= ULTIMATE.start_main_~i~4 152), 82746#(<= ULTIMATE.start_main_~i~4 150), 82749#(<= ULTIMATE.start_main_~i~4 156), 82748#(<= ULTIMATE.start_main_~i~4 154), 82751#(<= ULTIMATE.start_main_~i~4 160), 82750#(<= ULTIMATE.start_main_~i~4 158), 82753#(<= ULTIMATE.start_main_~i~4 164), 82752#(<= ULTIMATE.start_main_~i~4 162), 82755#(<= ULTIMATE.start_main_~i~4 168), 82754#(<= ULTIMATE.start_main_~i~4 166), 82757#(<= ULTIMATE.start_main_~i~4 172), 82756#(<= ULTIMATE.start_main_~i~4 170), 82759#(<= ULTIMATE.start_main_~i~4 176), 82758#(<= ULTIMATE.start_main_~i~4 174), 82761#(<= ULTIMATE.start_main_~i~4 180), 82760#(<= ULTIMATE.start_main_~i~4 178), 82763#(<= ULTIMATE.start_main_~i~4 184), 82762#(<= ULTIMATE.start_main_~i~4 182), 82765#(<= ULTIMATE.start_main_~i~4 188), 82764#(<= ULTIMATE.start_main_~i~4 186), 82767#(<= ULTIMATE.start_main_~i~4 192), 82766#(<= ULTIMATE.start_main_~i~4 190), 82769#(<= ULTIMATE.start_main_~i~4 196), 82768#(<= ULTIMATE.start_main_~i~4 194), 82771#(<= ULTIMATE.start_main_~i~4 200), 82770#(<= ULTIMATE.start_main_~i~4 198), 82773#(<= ULTIMATE.start_main_~i~4 204), 82772#(<= ULTIMATE.start_main_~i~4 202), 82775#(<= ULTIMATE.start_main_~i~4 208), 82774#(<= ULTIMATE.start_main_~i~4 206), 82777#(<= ULTIMATE.start_main_~i~4 212), 82776#(<= ULTIMATE.start_main_~i~4 210), 82779#(<= ULTIMATE.start_main_~i~4 216), 82778#(<= ULTIMATE.start_main_~i~4 214), 82781#(<= ULTIMATE.start_main_~i~4 220), 82780#(<= ULTIMATE.start_main_~i~4 218), 82783#(<= ULTIMATE.start_main_~i~4 224), 82782#(<= ULTIMATE.start_main_~i~4 222), 82785#(<= ULTIMATE.start_main_~i~4 228), 82784#(<= ULTIMATE.start_main_~i~4 226), 82787#(<= ULTIMATE.start_main_~i~4 232), 82786#(<= ULTIMATE.start_main_~i~4 230), 82789#(<= ULTIMATE.start_main_~i~4 236), 82788#(<= ULTIMATE.start_main_~i~4 234), 82791#(<= ULTIMATE.start_main_~i~4 240), 82790#(<= ULTIMATE.start_main_~i~4 238), 82793#(<= ULTIMATE.start_main_~i~4 244), 82792#(<= ULTIMATE.start_main_~i~4 242), 82795#(<= ULTIMATE.start_main_~i~4 248), 82794#(<= ULTIMATE.start_main_~i~4 246), 82797#(<= ULTIMATE.start_main_~i~4 252), 82796#(<= ULTIMATE.start_main_~i~4 250), 82799#(<= ULTIMATE.start_main_~i~4 256), 82798#(<= ULTIMATE.start_main_~i~4 254), 82801#(<= ULTIMATE.start_main_~i~4 260), 82800#(<= ULTIMATE.start_main_~i~4 258), 82803#(<= ULTIMATE.start_main_~i~4 264), 82802#(<= ULTIMATE.start_main_~i~4 262), 82805#(<= ULTIMATE.start_main_~i~4 268), 82804#(<= ULTIMATE.start_main_~i~4 266), 82807#(<= ULTIMATE.start_main_~i~4 272), 82806#(<= ULTIMATE.start_main_~i~4 270), 82809#(<= ULTIMATE.start_main_~i~4 276), 82808#(<= ULTIMATE.start_main_~i~4 274), 82811#(<= ULTIMATE.start_main_~i~4 280), 82810#(<= ULTIMATE.start_main_~i~4 278), 82813#(<= ULTIMATE.start_main_~i~4 284), 82812#(<= ULTIMATE.start_main_~i~4 282), 82815#(<= ULTIMATE.start_main_~i~4 288), 82814#(<= ULTIMATE.start_main_~i~4 286), 82817#(<= ULTIMATE.start_main_~i~4 292), 82816#(<= ULTIMATE.start_main_~i~4 290), 82819#(<= ULTIMATE.start_main_~i~4 296), 82818#(<= ULTIMATE.start_main_~i~4 294), 82821#(<= ULTIMATE.start_main_~i~4 300), 82820#(<= ULTIMATE.start_main_~i~4 298), 82823#(<= ULTIMATE.start_main_~i~4 304), 82822#(<= ULTIMATE.start_main_~i~4 302), 82825#(<= ULTIMATE.start_main_~i~4 308), 82824#(<= ULTIMATE.start_main_~i~4 306), 82827#(<= ULTIMATE.start_main_~i~4 312), 82826#(<= ULTIMATE.start_main_~i~4 310), 82829#(<= ULTIMATE.start_main_~i~4 316), 82828#(<= ULTIMATE.start_main_~i~4 314), 82831#(<= ULTIMATE.start_main_~i~4 320), 82830#(<= ULTIMATE.start_main_~i~4 318), 82833#(<= ULTIMATE.start_main_~i~4 324), 82832#(<= ULTIMATE.start_main_~i~4 322), 82835#(<= ULTIMATE.start_main_~i~4 328), 82834#(<= ULTIMATE.start_main_~i~4 326), 82837#(<= ULTIMATE.start_main_~i~4 332), 82836#(<= ULTIMATE.start_main_~i~4 330), 82839#(<= ULTIMATE.start_main_~i~4 336), 82838#(<= ULTIMATE.start_main_~i~4 334), 82841#(<= ULTIMATE.start_main_~i~4 340), 82840#(<= ULTIMATE.start_main_~i~4 338), 82843#(<= ULTIMATE.start_main_~i~4 344), 82842#(<= ULTIMATE.start_main_~i~4 342), 82845#(<= ULTIMATE.start_main_~i~4 348), 82844#(<= ULTIMATE.start_main_~i~4 346), 82847#(<= ULTIMATE.start_main_~i~4 352), 82846#(<= ULTIMATE.start_main_~i~4 350), 82848#(<= ULTIMATE.start_main_~i~4 354), 82669#true, 82671#(<= ULTIMATE.start_main_~i~4 0), 82670#false, 82673#(<= ULTIMATE.start_main_~i~4 4), 82672#(<= ULTIMATE.start_main_~i~4 2), 82675#(<= ULTIMATE.start_main_~i~4 8), 82674#(<= ULTIMATE.start_main_~i~4 6), 82677#(<= ULTIMATE.start_main_~i~4 12), 82676#(<= ULTIMATE.start_main_~i~4 10), 82679#(<= ULTIMATE.start_main_~i~4 16), 82678#(<= ULTIMATE.start_main_~i~4 14), 82681#(<= ULTIMATE.start_main_~i~4 20), 82680#(<= ULTIMATE.start_main_~i~4 18), 82683#(<= ULTIMATE.start_main_~i~4 24), 82682#(<= ULTIMATE.start_main_~i~4 22), 82685#(<= ULTIMATE.start_main_~i~4 28), 82684#(<= ULTIMATE.start_main_~i~4 26), 82687#(<= ULTIMATE.start_main_~i~4 32), 82686#(<= ULTIMATE.start_main_~i~4 30)] [2018-07-23 13:38:52,107 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 13:38:52,107 INFO L450 AbstractCegarLoop]: Interpolant automaton has 180 states [2018-07-23 13:38:52,110 INFO L132 InterpolantAutomaton]: Constructing interpolant automaton starting with 180 interpolants. [2018-07-23 13:38:52,111 INFO L133 InterpolantAutomaton]: CoverageRelationStatistics Valid=16110, Invalid=16110, Unknown=0, NotChecked=0, Total=32220 [2018-07-23 13:38:52,111 INFO L87 Difference]: Start difference. First operand 181 states and 181 transitions. Second operand 180 states. [2018-07-23 13:38:52,734 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2018-07-23 13:38:52,734 INFO L93 Difference]: Finished difference Result 184 states and 184 transitions. [2018-07-23 13:38:52,734 INFO L142 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 180 states. [2018-07-23 13:38:52,734 INFO L78 Accepts]: Start accepts. Automaton has 180 states. Word has length 180 [2018-07-23 13:38:52,735 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2018-07-23 13:38:52,735 INFO L225 Difference]: With dead ends: 184 [2018-07-23 13:38:52,735 INFO L226 Difference]: Without dead ends: 182 [2018-07-23 13:38:52,736 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 13:38:52,736 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 182 states. [2018-07-23 13:38:52,739 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 182 to 182. [2018-07-23 13:38:52,739 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 182 states. [2018-07-23 13:38:52,739 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 182 states to 182 states and 182 transitions. [2018-07-23 13:38:52,739 INFO L78 Accepts]: Start accepts. Automaton has 182 states and 182 transitions. Word has length 180 [2018-07-23 13:38:52,739 INFO L84 Accepts]: Finished accepts. word is rejected. [2018-07-23 13:38:52,739 INFO L471 AbstractCegarLoop]: Abstraction has 182 states and 182 transitions. [2018-07-23 13:38:52,739 INFO L472 AbstractCegarLoop]: Interpolant automaton has 180 states. [2018-07-23 13:38:52,739 INFO L276 IsEmpty]: Start isEmpty. Operand 182 states and 182 transitions. [2018-07-23 13:38:52,740 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 182 [2018-07-23 13:38:52,740 INFO L349 BasicCegarLoop]: Found error trace [2018-07-23 13:38:52,740 INFO L357 BasicCegarLoop]: trace histogram [178, 1, 1, 1] [2018-07-23 13:38:52,740 INFO L414 AbstractCegarLoop]: === Iteration 179 === [ULTIMATE.startErr0AssertViolationASSERT]=== [2018-07-23 13:38:52,740 INFO L82 PathProgramCache]: Analyzing trace with hash 546144033, now seen corresponding path program 178 times [2018-07-23 13:38:52,740 INFO L69 tionRefinementEngine]: Using refinement strategy FixedRefinementStrategy [2018-07-23 13:38:52,853 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-07-23 13:38:53,574 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 13:38:53,574 INFO L309 seRefinementStrategy]: Constructing automaton from 0 perfect and 1 imperfect interpolant sequences. [2018-07-23 13:38:53,574 INFO L324 seRefinementStrategy]: Number of different interpolants: perfect sequences [] imperfect sequences [180] total 180 [2018-07-23 13:38:53,574 INFO L142 lantAutomatonBuilder]: Constructing canonical interpolant automaton, with selfloop in false state [2018-07-23 13:38:53,574 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2018-07-23 13:38:53,575 INFO L185 omatonBuilderFactory]: Interpolants [83713#(<= ULTIMATE.start_main_~i~4 260), 83712#(<= ULTIMATE.start_main_~i~4 258), 83715#(<= ULTIMATE.start_main_~i~4 264), 83714#(<= ULTIMATE.start_main_~i~4 262), 83717#(<= ULTIMATE.start_main_~i~4 268), 83716#(<= ULTIMATE.start_main_~i~4 266), 83719#(<= ULTIMATE.start_main_~i~4 272), 83718#(<= ULTIMATE.start_main_~i~4 270), 83721#(<= ULTIMATE.start_main_~i~4 276), 83720#(<= ULTIMATE.start_main_~i~4 274), 83723#(<= ULTIMATE.start_main_~i~4 280), 83722#(<= ULTIMATE.start_main_~i~4 278), 83725#(<= ULTIMATE.start_main_~i~4 284), 83724#(<= ULTIMATE.start_main_~i~4 282), 83727#(<= ULTIMATE.start_main_~i~4 288), 83726#(<= ULTIMATE.start_main_~i~4 286), 83729#(<= ULTIMATE.start_main_~i~4 292), 83728#(<= ULTIMATE.start_main_~i~4 290), 83731#(<= ULTIMATE.start_main_~i~4 296), 83730#(<= ULTIMATE.start_main_~i~4 294), 83733#(<= ULTIMATE.start_main_~i~4 300), 83732#(<= ULTIMATE.start_main_~i~4 298), 83735#(<= ULTIMATE.start_main_~i~4 304), 83734#(<= ULTIMATE.start_main_~i~4 302), 83737#(<= ULTIMATE.start_main_~i~4 308), 83736#(<= ULTIMATE.start_main_~i~4 306), 83739#(<= ULTIMATE.start_main_~i~4 312), 83738#(<= ULTIMATE.start_main_~i~4 310), 83741#(<= ULTIMATE.start_main_~i~4 316), 83740#(<= ULTIMATE.start_main_~i~4 314), 83743#(<= ULTIMATE.start_main_~i~4 320), 83742#(<= ULTIMATE.start_main_~i~4 318), 83745#(<= ULTIMATE.start_main_~i~4 324), 83744#(<= ULTIMATE.start_main_~i~4 322), 83747#(<= ULTIMATE.start_main_~i~4 328), 83746#(<= ULTIMATE.start_main_~i~4 326), 83749#(<= ULTIMATE.start_main_~i~4 332), 83748#(<= ULTIMATE.start_main_~i~4 330), 83751#(<= ULTIMATE.start_main_~i~4 336), 83750#(<= ULTIMATE.start_main_~i~4 334), 83753#(<= ULTIMATE.start_main_~i~4 340), 83752#(<= ULTIMATE.start_main_~i~4 338), 83755#(<= ULTIMATE.start_main_~i~4 344), 83754#(<= ULTIMATE.start_main_~i~4 342), 83757#(<= ULTIMATE.start_main_~i~4 348), 83756#(<= ULTIMATE.start_main_~i~4 346), 83759#(<= ULTIMATE.start_main_~i~4 352), 83758#(<= ULTIMATE.start_main_~i~4 350), 83761#(<= ULTIMATE.start_main_~i~4 356), 83760#(<= ULTIMATE.start_main_~i~4 354), 83581#true, 83583#(<= ULTIMATE.start_main_~i~4 0), 83582#false, 83585#(<= ULTIMATE.start_main_~i~4 4), 83584#(<= ULTIMATE.start_main_~i~4 2), 83587#(<= ULTIMATE.start_main_~i~4 8), 83586#(<= ULTIMATE.start_main_~i~4 6), 83589#(<= ULTIMATE.start_main_~i~4 12), 83588#(<= ULTIMATE.start_main_~i~4 10), 83591#(<= ULTIMATE.start_main_~i~4 16), 83590#(<= ULTIMATE.start_main_~i~4 14), 83593#(<= ULTIMATE.start_main_~i~4 20), 83592#(<= ULTIMATE.start_main_~i~4 18), 83595#(<= ULTIMATE.start_main_~i~4 24), 83594#(<= ULTIMATE.start_main_~i~4 22), 83597#(<= ULTIMATE.start_main_~i~4 28), 83596#(<= ULTIMATE.start_main_~i~4 26), 83599#(<= ULTIMATE.start_main_~i~4 32), 83598#(<= ULTIMATE.start_main_~i~4 30), 83601#(<= ULTIMATE.start_main_~i~4 36), 83600#(<= ULTIMATE.start_main_~i~4 34), 83603#(<= ULTIMATE.start_main_~i~4 40), 83602#(<= ULTIMATE.start_main_~i~4 38), 83605#(<= ULTIMATE.start_main_~i~4 44), 83604#(<= ULTIMATE.start_main_~i~4 42), 83607#(<= ULTIMATE.start_main_~i~4 48), 83606#(<= ULTIMATE.start_main_~i~4 46), 83609#(<= ULTIMATE.start_main_~i~4 52), 83608#(<= ULTIMATE.start_main_~i~4 50), 83611#(<= ULTIMATE.start_main_~i~4 56), 83610#(<= ULTIMATE.start_main_~i~4 54), 83613#(<= ULTIMATE.start_main_~i~4 60), 83612#(<= ULTIMATE.start_main_~i~4 58), 83615#(<= ULTIMATE.start_main_~i~4 64), 83614#(<= ULTIMATE.start_main_~i~4 62), 83617#(<= ULTIMATE.start_main_~i~4 68), 83616#(<= ULTIMATE.start_main_~i~4 66), 83619#(<= ULTIMATE.start_main_~i~4 72), 83618#(<= ULTIMATE.start_main_~i~4 70), 83621#(<= ULTIMATE.start_main_~i~4 76), 83620#(<= ULTIMATE.start_main_~i~4 74), 83623#(<= ULTIMATE.start_main_~i~4 80), 83622#(<= ULTIMATE.start_main_~i~4 78), 83625#(<= ULTIMATE.start_main_~i~4 84), 83624#(<= ULTIMATE.start_main_~i~4 82), 83627#(<= ULTIMATE.start_main_~i~4 88), 83626#(<= ULTIMATE.start_main_~i~4 86), 83629#(<= ULTIMATE.start_main_~i~4 92), 83628#(<= ULTIMATE.start_main_~i~4 90), 83631#(<= ULTIMATE.start_main_~i~4 96), 83630#(<= ULTIMATE.start_main_~i~4 94), 83633#(<= ULTIMATE.start_main_~i~4 100), 83632#(<= ULTIMATE.start_main_~i~4 98), 83635#(<= ULTIMATE.start_main_~i~4 104), 83634#(<= ULTIMATE.start_main_~i~4 102), 83637#(<= ULTIMATE.start_main_~i~4 108), 83636#(<= ULTIMATE.start_main_~i~4 106), 83639#(<= ULTIMATE.start_main_~i~4 112), 83638#(<= ULTIMATE.start_main_~i~4 110), 83641#(<= ULTIMATE.start_main_~i~4 116), 83640#(<= ULTIMATE.start_main_~i~4 114), 83643#(<= ULTIMATE.start_main_~i~4 120), 83642#(<= ULTIMATE.start_main_~i~4 118), 83645#(<= ULTIMATE.start_main_~i~4 124), 83644#(<= ULTIMATE.start_main_~i~4 122), 83647#(<= ULTIMATE.start_main_~i~4 128), 83646#(<= ULTIMATE.start_main_~i~4 126), 83649#(<= ULTIMATE.start_main_~i~4 132), 83648#(<= ULTIMATE.start_main_~i~4 130), 83651#(<= ULTIMATE.start_main_~i~4 136), 83650#(<= ULTIMATE.start_main_~i~4 134), 83653#(<= ULTIMATE.start_main_~i~4 140), 83652#(<= ULTIMATE.start_main_~i~4 138), 83655#(<= ULTIMATE.start_main_~i~4 144), 83654#(<= ULTIMATE.start_main_~i~4 142), 83657#(<= ULTIMATE.start_main_~i~4 148), 83656#(<= ULTIMATE.start_main_~i~4 146), 83659#(<= ULTIMATE.start_main_~i~4 152), 83658#(<= ULTIMATE.start_main_~i~4 150), 83661#(<= ULTIMATE.start_main_~i~4 156), 83660#(<= ULTIMATE.start_main_~i~4 154), 83663#(<= ULTIMATE.start_main_~i~4 160), 83662#(<= ULTIMATE.start_main_~i~4 158), 83665#(<= ULTIMATE.start_main_~i~4 164), 83664#(<= ULTIMATE.start_main_~i~4 162), 83667#(<= ULTIMATE.start_main_~i~4 168), 83666#(<= ULTIMATE.start_main_~i~4 166), 83669#(<= ULTIMATE.start_main_~i~4 172), 83668#(<= ULTIMATE.start_main_~i~4 170), 83671#(<= ULTIMATE.start_main_~i~4 176), 83670#(<= ULTIMATE.start_main_~i~4 174), 83673#(<= ULTIMATE.start_main_~i~4 180), 83672#(<= ULTIMATE.start_main_~i~4 178), 83675#(<= ULTIMATE.start_main_~i~4 184), 83674#(<= ULTIMATE.start_main_~i~4 182), 83677#(<= ULTIMATE.start_main_~i~4 188), 83676#(<= ULTIMATE.start_main_~i~4 186), 83679#(<= ULTIMATE.start_main_~i~4 192), 83678#(<= ULTIMATE.start_main_~i~4 190), 83681#(<= ULTIMATE.start_main_~i~4 196), 83680#(<= ULTIMATE.start_main_~i~4 194), 83683#(<= ULTIMATE.start_main_~i~4 200), 83682#(<= ULTIMATE.start_main_~i~4 198), 83685#(<= ULTIMATE.start_main_~i~4 204), 83684#(<= ULTIMATE.start_main_~i~4 202), 83687#(<= ULTIMATE.start_main_~i~4 208), 83686#(<= ULTIMATE.start_main_~i~4 206), 83689#(<= ULTIMATE.start_main_~i~4 212), 83688#(<= ULTIMATE.start_main_~i~4 210), 83691#(<= ULTIMATE.start_main_~i~4 216), 83690#(<= ULTIMATE.start_main_~i~4 214), 83693#(<= ULTIMATE.start_main_~i~4 220), 83692#(<= ULTIMATE.start_main_~i~4 218), 83695#(<= ULTIMATE.start_main_~i~4 224), 83694#(<= ULTIMATE.start_main_~i~4 222), 83697#(<= ULTIMATE.start_main_~i~4 228), 83696#(<= ULTIMATE.start_main_~i~4 226), 83699#(<= ULTIMATE.start_main_~i~4 232), 83698#(<= ULTIMATE.start_main_~i~4 230), 83701#(<= ULTIMATE.start_main_~i~4 236), 83700#(<= ULTIMATE.start_main_~i~4 234), 83703#(<= ULTIMATE.start_main_~i~4 240), 83702#(<= ULTIMATE.start_main_~i~4 238), 83705#(<= ULTIMATE.start_main_~i~4 244), 83704#(<= ULTIMATE.start_main_~i~4 242), 83707#(<= ULTIMATE.start_main_~i~4 248), 83706#(<= ULTIMATE.start_main_~i~4 246), 83709#(<= ULTIMATE.start_main_~i~4 252), 83708#(<= ULTIMATE.start_main_~i~4 250), 83711#(<= ULTIMATE.start_main_~i~4 256), 83710#(<= ULTIMATE.start_main_~i~4 254)] [2018-07-23 13:38:53,575 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 13:38:53,575 INFO L450 AbstractCegarLoop]: Interpolant automaton has 181 states [2018-07-23 13:38:53,577 INFO L132 InterpolantAutomaton]: Constructing interpolant automaton starting with 181 interpolants. [2018-07-23 13:38:53,577 INFO L133 InterpolantAutomaton]: CoverageRelationStatistics Valid=16290, Invalid=16290, Unknown=0, NotChecked=0, Total=32580 [2018-07-23 13:38:53,577 INFO L87 Difference]: Start difference. First operand 182 states and 182 transitions. Second operand 181 states. [2018-07-23 13:38:53,845 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2018-07-23 13:38:53,845 INFO L93 Difference]: Finished difference Result 185 states and 185 transitions. [2018-07-23 13:38:53,845 INFO L142 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 181 states. [2018-07-23 13:38:53,846 INFO L78 Accepts]: Start accepts. Automaton has 181 states. Word has length 181 [2018-07-23 13:38:53,846 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2018-07-23 13:38:53,846 INFO L225 Difference]: With dead ends: 185 [2018-07-23 13:38:53,846 INFO L226 Difference]: Without dead ends: 183 [2018-07-23 13:38:53,847 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 13:38:53,847 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 183 states. [2018-07-23 13:38:53,849 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 183 to 183. [2018-07-23 13:38:53,849 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 183 states. [2018-07-23 13:38:53,849 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 183 states to 183 states and 183 transitions. [2018-07-23 13:38:53,849 INFO L78 Accepts]: Start accepts. Automaton has 183 states and 183 transitions. Word has length 181 [2018-07-23 13:38:53,849 INFO L84 Accepts]: Finished accepts. word is rejected. [2018-07-23 13:38:53,849 INFO L471 AbstractCegarLoop]: Abstraction has 183 states and 183 transitions. [2018-07-23 13:38:53,849 INFO L472 AbstractCegarLoop]: Interpolant automaton has 181 states. [2018-07-23 13:38:53,850 INFO L276 IsEmpty]: Start isEmpty. Operand 183 states and 183 transitions. [2018-07-23 13:38:53,850 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 183 [2018-07-23 13:38:53,850 INFO L349 BasicCegarLoop]: Found error trace [2018-07-23 13:38:53,850 INFO L357 BasicCegarLoop]: trace histogram [179, 1, 1, 1] [2018-07-23 13:38:53,850 INFO L414 AbstractCegarLoop]: === Iteration 180 === [ULTIMATE.startErr0AssertViolationASSERT]=== [2018-07-23 13:38:53,851 INFO L82 PathProgramCache]: Analyzing trace with hash -249406136, now seen corresponding path program 179 times [2018-07-23 13:38:53,851 INFO L69 tionRefinementEngine]: Using refinement strategy FixedRefinementStrategy [2018-07-23 13:38:53,967 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-07-23 13:38:54,629 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 13:38:54,629 INFO L309 seRefinementStrategy]: Constructing automaton from 0 perfect and 1 imperfect interpolant sequences. [2018-07-23 13:38:54,629 INFO L324 seRefinementStrategy]: Number of different interpolants: perfect sequences [] imperfect sequences [181] total 181 [2018-07-23 13:38:54,629 INFO L142 lantAutomatonBuilder]: Constructing canonical interpolant automaton, with selfloop in false state [2018-07-23 13:38:54,629 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2018-07-23 13:38:54,630 INFO L185 omatonBuilderFactory]: Interpolants [84499#false, 84498#true, 84501#(<= ULTIMATE.start_main_~i~4 2), 84500#(<= ULTIMATE.start_main_~i~4 0), 84503#(<= ULTIMATE.start_main_~i~4 6), 84502#(<= ULTIMATE.start_main_~i~4 4), 84505#(<= ULTIMATE.start_main_~i~4 10), 84504#(<= ULTIMATE.start_main_~i~4 8), 84507#(<= ULTIMATE.start_main_~i~4 14), 84506#(<= ULTIMATE.start_main_~i~4 12), 84509#(<= ULTIMATE.start_main_~i~4 18), 84508#(<= ULTIMATE.start_main_~i~4 16), 84511#(<= ULTIMATE.start_main_~i~4 22), 84510#(<= ULTIMATE.start_main_~i~4 20), 84513#(<= ULTIMATE.start_main_~i~4 26), 84512#(<= ULTIMATE.start_main_~i~4 24), 84515#(<= ULTIMATE.start_main_~i~4 30), 84514#(<= ULTIMATE.start_main_~i~4 28), 84517#(<= ULTIMATE.start_main_~i~4 34), 84516#(<= ULTIMATE.start_main_~i~4 32), 84519#(<= ULTIMATE.start_main_~i~4 38), 84518#(<= ULTIMATE.start_main_~i~4 36), 84521#(<= ULTIMATE.start_main_~i~4 42), 84520#(<= ULTIMATE.start_main_~i~4 40), 84523#(<= ULTIMATE.start_main_~i~4 46), 84522#(<= ULTIMATE.start_main_~i~4 44), 84525#(<= ULTIMATE.start_main_~i~4 50), 84524#(<= ULTIMATE.start_main_~i~4 48), 84527#(<= ULTIMATE.start_main_~i~4 54), 84526#(<= ULTIMATE.start_main_~i~4 52), 84529#(<= ULTIMATE.start_main_~i~4 58), 84528#(<= ULTIMATE.start_main_~i~4 56), 84531#(<= ULTIMATE.start_main_~i~4 62), 84530#(<= ULTIMATE.start_main_~i~4 60), 84533#(<= ULTIMATE.start_main_~i~4 66), 84532#(<= ULTIMATE.start_main_~i~4 64), 84535#(<= ULTIMATE.start_main_~i~4 70), 84534#(<= ULTIMATE.start_main_~i~4 68), 84537#(<= ULTIMATE.start_main_~i~4 74), 84536#(<= ULTIMATE.start_main_~i~4 72), 84539#(<= ULTIMATE.start_main_~i~4 78), 84538#(<= ULTIMATE.start_main_~i~4 76), 84541#(<= ULTIMATE.start_main_~i~4 82), 84540#(<= ULTIMATE.start_main_~i~4 80), 84543#(<= ULTIMATE.start_main_~i~4 86), 84542#(<= ULTIMATE.start_main_~i~4 84), 84545#(<= ULTIMATE.start_main_~i~4 90), 84544#(<= ULTIMATE.start_main_~i~4 88), 84547#(<= ULTIMATE.start_main_~i~4 94), 84546#(<= ULTIMATE.start_main_~i~4 92), 84549#(<= ULTIMATE.start_main_~i~4 98), 84548#(<= ULTIMATE.start_main_~i~4 96), 84551#(<= ULTIMATE.start_main_~i~4 102), 84550#(<= ULTIMATE.start_main_~i~4 100), 84553#(<= ULTIMATE.start_main_~i~4 106), 84552#(<= ULTIMATE.start_main_~i~4 104), 84555#(<= ULTIMATE.start_main_~i~4 110), 84554#(<= ULTIMATE.start_main_~i~4 108), 84557#(<= ULTIMATE.start_main_~i~4 114), 84556#(<= ULTIMATE.start_main_~i~4 112), 84559#(<= ULTIMATE.start_main_~i~4 118), 84558#(<= ULTIMATE.start_main_~i~4 116), 84561#(<= ULTIMATE.start_main_~i~4 122), 84560#(<= ULTIMATE.start_main_~i~4 120), 84563#(<= ULTIMATE.start_main_~i~4 126), 84562#(<= ULTIMATE.start_main_~i~4 124), 84565#(<= ULTIMATE.start_main_~i~4 130), 84564#(<= ULTIMATE.start_main_~i~4 128), 84567#(<= ULTIMATE.start_main_~i~4 134), 84566#(<= ULTIMATE.start_main_~i~4 132), 84569#(<= ULTIMATE.start_main_~i~4 138), 84568#(<= ULTIMATE.start_main_~i~4 136), 84571#(<= ULTIMATE.start_main_~i~4 142), 84570#(<= ULTIMATE.start_main_~i~4 140), 84573#(<= ULTIMATE.start_main_~i~4 146), 84572#(<= ULTIMATE.start_main_~i~4 144), 84575#(<= ULTIMATE.start_main_~i~4 150), 84574#(<= ULTIMATE.start_main_~i~4 148), 84577#(<= ULTIMATE.start_main_~i~4 154), 84576#(<= ULTIMATE.start_main_~i~4 152), 84579#(<= ULTIMATE.start_main_~i~4 158), 84578#(<= ULTIMATE.start_main_~i~4 156), 84581#(<= ULTIMATE.start_main_~i~4 162), 84580#(<= ULTIMATE.start_main_~i~4 160), 84583#(<= ULTIMATE.start_main_~i~4 166), 84582#(<= ULTIMATE.start_main_~i~4 164), 84585#(<= ULTIMATE.start_main_~i~4 170), 84584#(<= ULTIMATE.start_main_~i~4 168), 84587#(<= ULTIMATE.start_main_~i~4 174), 84586#(<= ULTIMATE.start_main_~i~4 172), 84589#(<= ULTIMATE.start_main_~i~4 178), 84588#(<= ULTIMATE.start_main_~i~4 176), 84591#(<= ULTIMATE.start_main_~i~4 182), 84590#(<= ULTIMATE.start_main_~i~4 180), 84593#(<= ULTIMATE.start_main_~i~4 186), 84592#(<= ULTIMATE.start_main_~i~4 184), 84595#(<= ULTIMATE.start_main_~i~4 190), 84594#(<= ULTIMATE.start_main_~i~4 188), 84597#(<= ULTIMATE.start_main_~i~4 194), 84596#(<= ULTIMATE.start_main_~i~4 192), 84599#(<= ULTIMATE.start_main_~i~4 198), 84598#(<= ULTIMATE.start_main_~i~4 196), 84601#(<= ULTIMATE.start_main_~i~4 202), 84600#(<= ULTIMATE.start_main_~i~4 200), 84603#(<= ULTIMATE.start_main_~i~4 206), 84602#(<= ULTIMATE.start_main_~i~4 204), 84605#(<= ULTIMATE.start_main_~i~4 210), 84604#(<= ULTIMATE.start_main_~i~4 208), 84607#(<= ULTIMATE.start_main_~i~4 214), 84606#(<= ULTIMATE.start_main_~i~4 212), 84609#(<= ULTIMATE.start_main_~i~4 218), 84608#(<= ULTIMATE.start_main_~i~4 216), 84611#(<= ULTIMATE.start_main_~i~4 222), 84610#(<= ULTIMATE.start_main_~i~4 220), 84613#(<= ULTIMATE.start_main_~i~4 226), 84612#(<= ULTIMATE.start_main_~i~4 224), 84615#(<= ULTIMATE.start_main_~i~4 230), 84614#(<= ULTIMATE.start_main_~i~4 228), 84617#(<= ULTIMATE.start_main_~i~4 234), 84616#(<= ULTIMATE.start_main_~i~4 232), 84619#(<= ULTIMATE.start_main_~i~4 238), 84618#(<= ULTIMATE.start_main_~i~4 236), 84621#(<= ULTIMATE.start_main_~i~4 242), 84620#(<= ULTIMATE.start_main_~i~4 240), 84623#(<= ULTIMATE.start_main_~i~4 246), 84622#(<= ULTIMATE.start_main_~i~4 244), 84625#(<= ULTIMATE.start_main_~i~4 250), 84624#(<= ULTIMATE.start_main_~i~4 248), 84627#(<= ULTIMATE.start_main_~i~4 254), 84626#(<= ULTIMATE.start_main_~i~4 252), 84629#(<= ULTIMATE.start_main_~i~4 258), 84628#(<= ULTIMATE.start_main_~i~4 256), 84631#(<= ULTIMATE.start_main_~i~4 262), 84630#(<= ULTIMATE.start_main_~i~4 260), 84633#(<= ULTIMATE.start_main_~i~4 266), 84632#(<= ULTIMATE.start_main_~i~4 264), 84635#(<= ULTIMATE.start_main_~i~4 270), 84634#(<= ULTIMATE.start_main_~i~4 268), 84637#(<= ULTIMATE.start_main_~i~4 274), 84636#(<= ULTIMATE.start_main_~i~4 272), 84639#(<= ULTIMATE.start_main_~i~4 278), 84638#(<= ULTIMATE.start_main_~i~4 276), 84641#(<= ULTIMATE.start_main_~i~4 282), 84640#(<= ULTIMATE.start_main_~i~4 280), 84643#(<= ULTIMATE.start_main_~i~4 286), 84642#(<= ULTIMATE.start_main_~i~4 284), 84645#(<= ULTIMATE.start_main_~i~4 290), 84644#(<= ULTIMATE.start_main_~i~4 288), 84647#(<= ULTIMATE.start_main_~i~4 294), 84646#(<= ULTIMATE.start_main_~i~4 292), 84649#(<= ULTIMATE.start_main_~i~4 298), 84648#(<= ULTIMATE.start_main_~i~4 296), 84651#(<= ULTIMATE.start_main_~i~4 302), 84650#(<= ULTIMATE.start_main_~i~4 300), 84653#(<= ULTIMATE.start_main_~i~4 306), 84652#(<= ULTIMATE.start_main_~i~4 304), 84655#(<= ULTIMATE.start_main_~i~4 310), 84654#(<= ULTIMATE.start_main_~i~4 308), 84657#(<= ULTIMATE.start_main_~i~4 314), 84656#(<= ULTIMATE.start_main_~i~4 312), 84659#(<= ULTIMATE.start_main_~i~4 318), 84658#(<= ULTIMATE.start_main_~i~4 316), 84661#(<= ULTIMATE.start_main_~i~4 322), 84660#(<= ULTIMATE.start_main_~i~4 320), 84663#(<= ULTIMATE.start_main_~i~4 326), 84662#(<= ULTIMATE.start_main_~i~4 324), 84665#(<= ULTIMATE.start_main_~i~4 330), 84664#(<= ULTIMATE.start_main_~i~4 328), 84667#(<= ULTIMATE.start_main_~i~4 334), 84666#(<= ULTIMATE.start_main_~i~4 332), 84669#(<= ULTIMATE.start_main_~i~4 338), 84668#(<= ULTIMATE.start_main_~i~4 336), 84671#(<= ULTIMATE.start_main_~i~4 342), 84670#(<= ULTIMATE.start_main_~i~4 340), 84673#(<= ULTIMATE.start_main_~i~4 346), 84672#(<= ULTIMATE.start_main_~i~4 344), 84675#(<= ULTIMATE.start_main_~i~4 350), 84674#(<= ULTIMATE.start_main_~i~4 348), 84677#(<= ULTIMATE.start_main_~i~4 354), 84676#(<= ULTIMATE.start_main_~i~4 352), 84679#(<= ULTIMATE.start_main_~i~4 358), 84678#(<= ULTIMATE.start_main_~i~4 356)] [2018-07-23 13:38:54,630 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 13:38:54,631 INFO L450 AbstractCegarLoop]: Interpolant automaton has 182 states [2018-07-23 13:38:54,633 INFO L132 InterpolantAutomaton]: Constructing interpolant automaton starting with 182 interpolants. [2018-07-23 13:38:54,633 INFO L133 InterpolantAutomaton]: CoverageRelationStatistics Valid=16471, Invalid=16471, Unknown=0, NotChecked=0, Total=32942 [2018-07-23 13:38:54,634 INFO L87 Difference]: Start difference. First operand 183 states and 183 transitions. Second operand 182 states. [2018-07-23 13:38:55,362 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2018-07-23 13:38:55,363 INFO L93 Difference]: Finished difference Result 186 states and 186 transitions. [2018-07-23 13:38:55,363 INFO L142 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 182 states. [2018-07-23 13:38:55,363 INFO L78 Accepts]: Start accepts. Automaton has 182 states. Word has length 182 [2018-07-23 13:38:55,363 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2018-07-23 13:38:55,363 INFO L225 Difference]: With dead ends: 186 [2018-07-23 13:38:55,363 INFO L226 Difference]: Without dead ends: 184 [2018-07-23 13:38:55,365 INFO L575 BasicCegarLoop]: 0 DeclaredPredicates, 181 GetRequests, 1 SyntacticMatches, 0 SemanticMatches, 180 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 0 ImplicationChecksByTransitivity, 0.6s TimeCoverageRelationStatistics Valid=16471, Invalid=16471, Unknown=0, NotChecked=0, Total=32942 [2018-07-23 13:38:55,365 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 184 states. [2018-07-23 13:38:55,367 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 184 to 184. [2018-07-23 13:38:55,367 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 184 states. [2018-07-23 13:38:55,367 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 184 states to 184 states and 184 transitions. [2018-07-23 13:38:55,367 INFO L78 Accepts]: Start accepts. Automaton has 184 states and 184 transitions. Word has length 182 [2018-07-23 13:38:55,367 INFO L84 Accepts]: Finished accepts. word is rejected. [2018-07-23 13:38:55,367 INFO L471 AbstractCegarLoop]: Abstraction has 184 states and 184 transitions. [2018-07-23 13:38:55,367 INFO L472 AbstractCegarLoop]: Interpolant automaton has 182 states. [2018-07-23 13:38:55,368 INFO L276 IsEmpty]: Start isEmpty. Operand 184 states and 184 transitions. [2018-07-23 13:38:55,368 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 184 [2018-07-23 13:38:55,368 INFO L349 BasicCegarLoop]: Found error trace [2018-07-23 13:38:55,368 INFO L357 BasicCegarLoop]: trace histogram [180, 1, 1, 1] [2018-07-23 13:38:55,368 INFO L414 AbstractCegarLoop]: === Iteration 181 === [ULTIMATE.startErr0AssertViolationASSERT]=== [2018-07-23 13:38:55,368 INFO L82 PathProgramCache]: Analyzing trace with hash 858342401, now seen corresponding path program 180 times [2018-07-23 13:38:55,368 INFO L69 tionRefinementEngine]: Using refinement strategy FixedRefinementStrategy [2018-07-23 13:38:55,487 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-07-23 13:38:56,191 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 13:38:56,192 INFO L309 seRefinementStrategy]: Constructing automaton from 0 perfect and 1 imperfect interpolant sequences. [2018-07-23 13:38:56,192 INFO L324 seRefinementStrategy]: Number of different interpolants: perfect sequences [] imperfect sequences [182] total 182 [2018-07-23 13:38:56,192 INFO L142 lantAutomatonBuilder]: Constructing canonical interpolant automaton, with selfloop in false state [2018-07-23 13:38:56,192 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2018-07-23 13:38:56,192 INFO L185 omatonBuilderFactory]: Interpolants [85505#(<= ULTIMATE.start_main_~i~4 166), 85504#(<= ULTIMATE.start_main_~i~4 164), 85507#(<= ULTIMATE.start_main_~i~4 170), 85506#(<= ULTIMATE.start_main_~i~4 168), 85509#(<= ULTIMATE.start_main_~i~4 174), 85508#(<= ULTIMATE.start_main_~i~4 172), 85511#(<= ULTIMATE.start_main_~i~4 178), 85510#(<= ULTIMATE.start_main_~i~4 176), 85513#(<= ULTIMATE.start_main_~i~4 182), 85512#(<= ULTIMATE.start_main_~i~4 180), 85515#(<= ULTIMATE.start_main_~i~4 186), 85514#(<= ULTIMATE.start_main_~i~4 184), 85517#(<= ULTIMATE.start_main_~i~4 190), 85516#(<= ULTIMATE.start_main_~i~4 188), 85519#(<= ULTIMATE.start_main_~i~4 194), 85518#(<= ULTIMATE.start_main_~i~4 192), 85521#(<= ULTIMATE.start_main_~i~4 198), 85520#(<= ULTIMATE.start_main_~i~4 196), 85523#(<= ULTIMATE.start_main_~i~4 202), 85522#(<= ULTIMATE.start_main_~i~4 200), 85525#(<= ULTIMATE.start_main_~i~4 206), 85524#(<= ULTIMATE.start_main_~i~4 204), 85527#(<= ULTIMATE.start_main_~i~4 210), 85526#(<= ULTIMATE.start_main_~i~4 208), 85529#(<= ULTIMATE.start_main_~i~4 214), 85528#(<= ULTIMATE.start_main_~i~4 212), 85531#(<= ULTIMATE.start_main_~i~4 218), 85530#(<= ULTIMATE.start_main_~i~4 216), 85533#(<= ULTIMATE.start_main_~i~4 222), 85532#(<= ULTIMATE.start_main_~i~4 220), 85535#(<= ULTIMATE.start_main_~i~4 226), 85534#(<= ULTIMATE.start_main_~i~4 224), 85537#(<= ULTIMATE.start_main_~i~4 230), 85536#(<= ULTIMATE.start_main_~i~4 228), 85539#(<= ULTIMATE.start_main_~i~4 234), 85538#(<= ULTIMATE.start_main_~i~4 232), 85541#(<= ULTIMATE.start_main_~i~4 238), 85540#(<= ULTIMATE.start_main_~i~4 236), 85543#(<= ULTIMATE.start_main_~i~4 242), 85542#(<= ULTIMATE.start_main_~i~4 240), 85545#(<= ULTIMATE.start_main_~i~4 246), 85544#(<= ULTIMATE.start_main_~i~4 244), 85547#(<= ULTIMATE.start_main_~i~4 250), 85546#(<= ULTIMATE.start_main_~i~4 248), 85549#(<= ULTIMATE.start_main_~i~4 254), 85548#(<= ULTIMATE.start_main_~i~4 252), 85551#(<= ULTIMATE.start_main_~i~4 258), 85550#(<= ULTIMATE.start_main_~i~4 256), 85553#(<= ULTIMATE.start_main_~i~4 262), 85552#(<= ULTIMATE.start_main_~i~4 260), 85555#(<= ULTIMATE.start_main_~i~4 266), 85554#(<= ULTIMATE.start_main_~i~4 264), 85557#(<= ULTIMATE.start_main_~i~4 270), 85556#(<= ULTIMATE.start_main_~i~4 268), 85559#(<= ULTIMATE.start_main_~i~4 274), 85558#(<= ULTIMATE.start_main_~i~4 272), 85561#(<= ULTIMATE.start_main_~i~4 278), 85560#(<= ULTIMATE.start_main_~i~4 276), 85563#(<= ULTIMATE.start_main_~i~4 282), 85562#(<= ULTIMATE.start_main_~i~4 280), 85565#(<= ULTIMATE.start_main_~i~4 286), 85564#(<= ULTIMATE.start_main_~i~4 284), 85567#(<= ULTIMATE.start_main_~i~4 290), 85566#(<= ULTIMATE.start_main_~i~4 288), 85569#(<= ULTIMATE.start_main_~i~4 294), 85568#(<= ULTIMATE.start_main_~i~4 292), 85571#(<= ULTIMATE.start_main_~i~4 298), 85570#(<= ULTIMATE.start_main_~i~4 296), 85573#(<= ULTIMATE.start_main_~i~4 302), 85572#(<= ULTIMATE.start_main_~i~4 300), 85575#(<= ULTIMATE.start_main_~i~4 306), 85574#(<= ULTIMATE.start_main_~i~4 304), 85577#(<= ULTIMATE.start_main_~i~4 310), 85576#(<= ULTIMATE.start_main_~i~4 308), 85579#(<= ULTIMATE.start_main_~i~4 314), 85578#(<= ULTIMATE.start_main_~i~4 312), 85581#(<= ULTIMATE.start_main_~i~4 318), 85580#(<= ULTIMATE.start_main_~i~4 316), 85583#(<= ULTIMATE.start_main_~i~4 322), 85582#(<= ULTIMATE.start_main_~i~4 320), 85585#(<= ULTIMATE.start_main_~i~4 326), 85584#(<= ULTIMATE.start_main_~i~4 324), 85587#(<= ULTIMATE.start_main_~i~4 330), 85586#(<= ULTIMATE.start_main_~i~4 328), 85589#(<= ULTIMATE.start_main_~i~4 334), 85588#(<= ULTIMATE.start_main_~i~4 332), 85591#(<= ULTIMATE.start_main_~i~4 338), 85590#(<= ULTIMATE.start_main_~i~4 336), 85593#(<= ULTIMATE.start_main_~i~4 342), 85592#(<= ULTIMATE.start_main_~i~4 340), 85595#(<= ULTIMATE.start_main_~i~4 346), 85594#(<= ULTIMATE.start_main_~i~4 344), 85597#(<= ULTIMATE.start_main_~i~4 350), 85596#(<= ULTIMATE.start_main_~i~4 348), 85599#(<= ULTIMATE.start_main_~i~4 354), 85598#(<= ULTIMATE.start_main_~i~4 352), 85601#(<= ULTIMATE.start_main_~i~4 358), 85600#(<= ULTIMATE.start_main_~i~4 356), 85602#(<= ULTIMATE.start_main_~i~4 360), 85421#false, 85420#true, 85423#(<= ULTIMATE.start_main_~i~4 2), 85422#(<= ULTIMATE.start_main_~i~4 0), 85425#(<= ULTIMATE.start_main_~i~4 6), 85424#(<= ULTIMATE.start_main_~i~4 4), 85427#(<= ULTIMATE.start_main_~i~4 10), 85426#(<= ULTIMATE.start_main_~i~4 8), 85429#(<= ULTIMATE.start_main_~i~4 14), 85428#(<= ULTIMATE.start_main_~i~4 12), 85431#(<= ULTIMATE.start_main_~i~4 18), 85430#(<= ULTIMATE.start_main_~i~4 16), 85433#(<= ULTIMATE.start_main_~i~4 22), 85432#(<= ULTIMATE.start_main_~i~4 20), 85435#(<= ULTIMATE.start_main_~i~4 26), 85434#(<= ULTIMATE.start_main_~i~4 24), 85437#(<= ULTIMATE.start_main_~i~4 30), 85436#(<= ULTIMATE.start_main_~i~4 28), 85439#(<= ULTIMATE.start_main_~i~4 34), 85438#(<= ULTIMATE.start_main_~i~4 32), 85441#(<= ULTIMATE.start_main_~i~4 38), 85440#(<= ULTIMATE.start_main_~i~4 36), 85443#(<= ULTIMATE.start_main_~i~4 42), 85442#(<= ULTIMATE.start_main_~i~4 40), 85445#(<= ULTIMATE.start_main_~i~4 46), 85444#(<= ULTIMATE.start_main_~i~4 44), 85447#(<= ULTIMATE.start_main_~i~4 50), 85446#(<= ULTIMATE.start_main_~i~4 48), 85449#(<= ULTIMATE.start_main_~i~4 54), 85448#(<= ULTIMATE.start_main_~i~4 52), 85451#(<= ULTIMATE.start_main_~i~4 58), 85450#(<= ULTIMATE.start_main_~i~4 56), 85453#(<= ULTIMATE.start_main_~i~4 62), 85452#(<= ULTIMATE.start_main_~i~4 60), 85455#(<= ULTIMATE.start_main_~i~4 66), 85454#(<= ULTIMATE.start_main_~i~4 64), 85457#(<= ULTIMATE.start_main_~i~4 70), 85456#(<= ULTIMATE.start_main_~i~4 68), 85459#(<= ULTIMATE.start_main_~i~4 74), 85458#(<= ULTIMATE.start_main_~i~4 72), 85461#(<= ULTIMATE.start_main_~i~4 78), 85460#(<= ULTIMATE.start_main_~i~4 76), 85463#(<= ULTIMATE.start_main_~i~4 82), 85462#(<= ULTIMATE.start_main_~i~4 80), 85465#(<= ULTIMATE.start_main_~i~4 86), 85464#(<= ULTIMATE.start_main_~i~4 84), 85467#(<= ULTIMATE.start_main_~i~4 90), 85466#(<= ULTIMATE.start_main_~i~4 88), 85469#(<= ULTIMATE.start_main_~i~4 94), 85468#(<= ULTIMATE.start_main_~i~4 92), 85471#(<= ULTIMATE.start_main_~i~4 98), 85470#(<= ULTIMATE.start_main_~i~4 96), 85473#(<= ULTIMATE.start_main_~i~4 102), 85472#(<= ULTIMATE.start_main_~i~4 100), 85475#(<= ULTIMATE.start_main_~i~4 106), 85474#(<= ULTIMATE.start_main_~i~4 104), 85477#(<= ULTIMATE.start_main_~i~4 110), 85476#(<= ULTIMATE.start_main_~i~4 108), 85479#(<= ULTIMATE.start_main_~i~4 114), 85478#(<= ULTIMATE.start_main_~i~4 112), 85481#(<= ULTIMATE.start_main_~i~4 118), 85480#(<= ULTIMATE.start_main_~i~4 116), 85483#(<= ULTIMATE.start_main_~i~4 122), 85482#(<= ULTIMATE.start_main_~i~4 120), 85485#(<= ULTIMATE.start_main_~i~4 126), 85484#(<= ULTIMATE.start_main_~i~4 124), 85487#(<= ULTIMATE.start_main_~i~4 130), 85486#(<= ULTIMATE.start_main_~i~4 128), 85489#(<= ULTIMATE.start_main_~i~4 134), 85488#(<= ULTIMATE.start_main_~i~4 132), 85491#(<= ULTIMATE.start_main_~i~4 138), 85490#(<= ULTIMATE.start_main_~i~4 136), 85493#(<= ULTIMATE.start_main_~i~4 142), 85492#(<= ULTIMATE.start_main_~i~4 140), 85495#(<= ULTIMATE.start_main_~i~4 146), 85494#(<= ULTIMATE.start_main_~i~4 144), 85497#(<= ULTIMATE.start_main_~i~4 150), 85496#(<= ULTIMATE.start_main_~i~4 148), 85499#(<= ULTIMATE.start_main_~i~4 154), 85498#(<= ULTIMATE.start_main_~i~4 152), 85501#(<= ULTIMATE.start_main_~i~4 158), 85500#(<= ULTIMATE.start_main_~i~4 156), 85503#(<= ULTIMATE.start_main_~i~4 162), 85502#(<= ULTIMATE.start_main_~i~4 160)] [2018-07-23 13:38:56,193 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 13:38:56,193 INFO L450 AbstractCegarLoop]: Interpolant automaton has 183 states [2018-07-23 13:38:56,195 INFO L132 InterpolantAutomaton]: Constructing interpolant automaton starting with 183 interpolants. [2018-07-23 13:38:56,196 INFO L133 InterpolantAutomaton]: CoverageRelationStatistics Valid=16653, Invalid=16653, Unknown=0, NotChecked=0, Total=33306 [2018-07-23 13:38:56,197 INFO L87 Difference]: Start difference. First operand 184 states and 184 transitions. Second operand 183 states. [2018-07-23 13:38:56,440 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2018-07-23 13:38:56,440 INFO L93 Difference]: Finished difference Result 187 states and 187 transitions. [2018-07-23 13:38:56,440 INFO L142 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 183 states. [2018-07-23 13:38:56,440 INFO L78 Accepts]: Start accepts. Automaton has 183 states. Word has length 183 [2018-07-23 13:38:56,440 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2018-07-23 13:38:56,441 INFO L225 Difference]: With dead ends: 187 [2018-07-23 13:38:56,441 INFO L226 Difference]: Without dead ends: 185 [2018-07-23 13:38:56,443 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 13:38:56,443 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 185 states. [2018-07-23 13:38:56,446 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 185 to 185. [2018-07-23 13:38:56,446 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 185 states. [2018-07-23 13:38:56,446 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 185 states to 185 states and 185 transitions. [2018-07-23 13:38:56,446 INFO L78 Accepts]: Start accepts. Automaton has 185 states and 185 transitions. Word has length 183 [2018-07-23 13:38:56,447 INFO L84 Accepts]: Finished accepts. word is rejected. [2018-07-23 13:38:56,447 INFO L471 AbstractCegarLoop]: Abstraction has 185 states and 185 transitions. [2018-07-23 13:38:56,447 INFO L472 AbstractCegarLoop]: Interpolant automaton has 183 states. [2018-07-23 13:38:56,447 INFO L276 IsEmpty]: Start isEmpty. Operand 185 states and 185 transitions. [2018-07-23 13:38:56,448 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 185 [2018-07-23 13:38:56,448 INFO L349 BasicCegarLoop]: Found error trace [2018-07-23 13:38:56,448 INFO L357 BasicCegarLoop]: trace histogram [181, 1, 1, 1] [2018-07-23 13:38:56,448 INFO L414 AbstractCegarLoop]: === Iteration 182 === [ULTIMATE.startErr0AssertViolationASSERT]=== [2018-07-23 13:38:56,448 INFO L82 PathProgramCache]: Analyzing trace with hash 838808680, now seen corresponding path program 181 times [2018-07-23 13:38:56,448 INFO L69 tionRefinementEngine]: Using refinement strategy FixedRefinementStrategy [2018-07-23 13:38:56,643 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-07-23 13:38:57,408 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 13:38:57,409 INFO L309 seRefinementStrategy]: Constructing automaton from 0 perfect and 1 imperfect interpolant sequences. [2018-07-23 13:38:57,409 INFO L324 seRefinementStrategy]: Number of different interpolants: perfect sequences [] imperfect sequences [183] total 183 [2018-07-23 13:38:57,409 INFO L142 lantAutomatonBuilder]: Constructing canonical interpolant automaton, with selfloop in false state [2018-07-23 13:38:57,409 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 13:38:57,409 INFO L185 omatonBuilderFactory]: Interpolants [86529#(<= ULTIMATE.start_main_~i~4 360), 86528#(<= ULTIMATE.start_main_~i~4 358), 86530#(<= ULTIMATE.start_main_~i~4 362), 86347#true, 86349#(<= ULTIMATE.start_main_~i~4 0), 86348#false, 86351#(<= ULTIMATE.start_main_~i~4 4), 86350#(<= ULTIMATE.start_main_~i~4 2), 86353#(<= ULTIMATE.start_main_~i~4 8), 86352#(<= ULTIMATE.start_main_~i~4 6), 86355#(<= ULTIMATE.start_main_~i~4 12), 86354#(<= ULTIMATE.start_main_~i~4 10), 86357#(<= ULTIMATE.start_main_~i~4 16), 86356#(<= ULTIMATE.start_main_~i~4 14), 86359#(<= ULTIMATE.start_main_~i~4 20), 86358#(<= ULTIMATE.start_main_~i~4 18), 86361#(<= ULTIMATE.start_main_~i~4 24), 86360#(<= ULTIMATE.start_main_~i~4 22), 86363#(<= ULTIMATE.start_main_~i~4 28), 86362#(<= ULTIMATE.start_main_~i~4 26), 86365#(<= ULTIMATE.start_main_~i~4 32), 86364#(<= ULTIMATE.start_main_~i~4 30), 86367#(<= ULTIMATE.start_main_~i~4 36), 86366#(<= ULTIMATE.start_main_~i~4 34), 86369#(<= ULTIMATE.start_main_~i~4 40), 86368#(<= ULTIMATE.start_main_~i~4 38), 86371#(<= ULTIMATE.start_main_~i~4 44), 86370#(<= ULTIMATE.start_main_~i~4 42), 86373#(<= ULTIMATE.start_main_~i~4 48), 86372#(<= ULTIMATE.start_main_~i~4 46), 86375#(<= ULTIMATE.start_main_~i~4 52), 86374#(<= ULTIMATE.start_main_~i~4 50), 86377#(<= ULTIMATE.start_main_~i~4 56), 86376#(<= ULTIMATE.start_main_~i~4 54), 86379#(<= ULTIMATE.start_main_~i~4 60), 86378#(<= ULTIMATE.start_main_~i~4 58), 86381#(<= ULTIMATE.start_main_~i~4 64), 86380#(<= ULTIMATE.start_main_~i~4 62), 86383#(<= ULTIMATE.start_main_~i~4 68), 86382#(<= ULTIMATE.start_main_~i~4 66), 86385#(<= ULTIMATE.start_main_~i~4 72), 86384#(<= ULTIMATE.start_main_~i~4 70), 86387#(<= ULTIMATE.start_main_~i~4 76), 86386#(<= ULTIMATE.start_main_~i~4 74), 86389#(<= ULTIMATE.start_main_~i~4 80), 86388#(<= ULTIMATE.start_main_~i~4 78), 86391#(<= ULTIMATE.start_main_~i~4 84), 86390#(<= ULTIMATE.start_main_~i~4 82), 86393#(<= ULTIMATE.start_main_~i~4 88), 86392#(<= ULTIMATE.start_main_~i~4 86), 86395#(<= ULTIMATE.start_main_~i~4 92), 86394#(<= ULTIMATE.start_main_~i~4 90), 86397#(<= ULTIMATE.start_main_~i~4 96), 86396#(<= ULTIMATE.start_main_~i~4 94), 86399#(<= ULTIMATE.start_main_~i~4 100), 86398#(<= ULTIMATE.start_main_~i~4 98), 86401#(<= ULTIMATE.start_main_~i~4 104), 86400#(<= ULTIMATE.start_main_~i~4 102), 86403#(<= ULTIMATE.start_main_~i~4 108), 86402#(<= ULTIMATE.start_main_~i~4 106), 86405#(<= ULTIMATE.start_main_~i~4 112), 86404#(<= ULTIMATE.start_main_~i~4 110), 86407#(<= ULTIMATE.start_main_~i~4 116), 86406#(<= ULTIMATE.start_main_~i~4 114), 86409#(<= ULTIMATE.start_main_~i~4 120), 86408#(<= ULTIMATE.start_main_~i~4 118), 86411#(<= ULTIMATE.start_main_~i~4 124), 86410#(<= ULTIMATE.start_main_~i~4 122), 86413#(<= ULTIMATE.start_main_~i~4 128), 86412#(<= ULTIMATE.start_main_~i~4 126), 86415#(<= ULTIMATE.start_main_~i~4 132), 86414#(<= ULTIMATE.start_main_~i~4 130), 86417#(<= ULTIMATE.start_main_~i~4 136), 86416#(<= ULTIMATE.start_main_~i~4 134), 86419#(<= ULTIMATE.start_main_~i~4 140), 86418#(<= ULTIMATE.start_main_~i~4 138), 86421#(<= ULTIMATE.start_main_~i~4 144), 86420#(<= ULTIMATE.start_main_~i~4 142), 86423#(<= ULTIMATE.start_main_~i~4 148), 86422#(<= ULTIMATE.start_main_~i~4 146), 86425#(<= ULTIMATE.start_main_~i~4 152), 86424#(<= ULTIMATE.start_main_~i~4 150), 86427#(<= ULTIMATE.start_main_~i~4 156), 86426#(<= ULTIMATE.start_main_~i~4 154), 86429#(<= ULTIMATE.start_main_~i~4 160), 86428#(<= ULTIMATE.start_main_~i~4 158), 86431#(<= ULTIMATE.start_main_~i~4 164), 86430#(<= ULTIMATE.start_main_~i~4 162), 86433#(<= ULTIMATE.start_main_~i~4 168), 86432#(<= ULTIMATE.start_main_~i~4 166), 86435#(<= ULTIMATE.start_main_~i~4 172), 86434#(<= ULTIMATE.start_main_~i~4 170), 86437#(<= ULTIMATE.start_main_~i~4 176), 86436#(<= ULTIMATE.start_main_~i~4 174), 86439#(<= ULTIMATE.start_main_~i~4 180), 86438#(<= ULTIMATE.start_main_~i~4 178), 86441#(<= ULTIMATE.start_main_~i~4 184), 86440#(<= ULTIMATE.start_main_~i~4 182), 86443#(<= ULTIMATE.start_main_~i~4 188), 86442#(<= ULTIMATE.start_main_~i~4 186), 86445#(<= ULTIMATE.start_main_~i~4 192), 86444#(<= ULTIMATE.start_main_~i~4 190), 86447#(<= ULTIMATE.start_main_~i~4 196), 86446#(<= ULTIMATE.start_main_~i~4 194), 86449#(<= ULTIMATE.start_main_~i~4 200), 86448#(<= ULTIMATE.start_main_~i~4 198), 86451#(<= ULTIMATE.start_main_~i~4 204), 86450#(<= ULTIMATE.start_main_~i~4 202), 86453#(<= ULTIMATE.start_main_~i~4 208), 86452#(<= ULTIMATE.start_main_~i~4 206), 86455#(<= ULTIMATE.start_main_~i~4 212), 86454#(<= ULTIMATE.start_main_~i~4 210), 86457#(<= ULTIMATE.start_main_~i~4 216), 86456#(<= ULTIMATE.start_main_~i~4 214), 86459#(<= ULTIMATE.start_main_~i~4 220), 86458#(<= ULTIMATE.start_main_~i~4 218), 86461#(<= ULTIMATE.start_main_~i~4 224), 86460#(<= ULTIMATE.start_main_~i~4 222), 86463#(<= ULTIMATE.start_main_~i~4 228), 86462#(<= ULTIMATE.start_main_~i~4 226), 86465#(<= ULTIMATE.start_main_~i~4 232), 86464#(<= ULTIMATE.start_main_~i~4 230), 86467#(<= ULTIMATE.start_main_~i~4 236), 86466#(<= ULTIMATE.start_main_~i~4 234), 86469#(<= ULTIMATE.start_main_~i~4 240), 86468#(<= ULTIMATE.start_main_~i~4 238), 86471#(<= ULTIMATE.start_main_~i~4 244), 86470#(<= ULTIMATE.start_main_~i~4 242), 86473#(<= ULTIMATE.start_main_~i~4 248), 86472#(<= ULTIMATE.start_main_~i~4 246), 86475#(<= ULTIMATE.start_main_~i~4 252), 86474#(<= ULTIMATE.start_main_~i~4 250), 86477#(<= ULTIMATE.start_main_~i~4 256), 86476#(<= ULTIMATE.start_main_~i~4 254), 86479#(<= ULTIMATE.start_main_~i~4 260), 86478#(<= ULTIMATE.start_main_~i~4 258), 86481#(<= ULTIMATE.start_main_~i~4 264), 86480#(<= ULTIMATE.start_main_~i~4 262), 86483#(<= ULTIMATE.start_main_~i~4 268), 86482#(<= ULTIMATE.start_main_~i~4 266), 86485#(<= ULTIMATE.start_main_~i~4 272), 86484#(<= ULTIMATE.start_main_~i~4 270), 86487#(<= ULTIMATE.start_main_~i~4 276), 86486#(<= ULTIMATE.start_main_~i~4 274), 86489#(<= ULTIMATE.start_main_~i~4 280), 86488#(<= ULTIMATE.start_main_~i~4 278), 86491#(<= ULTIMATE.start_main_~i~4 284), 86490#(<= ULTIMATE.start_main_~i~4 282), 86493#(<= ULTIMATE.start_main_~i~4 288), 86492#(<= ULTIMATE.start_main_~i~4 286), 86495#(<= ULTIMATE.start_main_~i~4 292), 86494#(<= ULTIMATE.start_main_~i~4 290), 86497#(<= ULTIMATE.start_main_~i~4 296), 86496#(<= ULTIMATE.start_main_~i~4 294), 86499#(<= ULTIMATE.start_main_~i~4 300), 86498#(<= ULTIMATE.start_main_~i~4 298), 86501#(<= ULTIMATE.start_main_~i~4 304), 86500#(<= ULTIMATE.start_main_~i~4 302), 86503#(<= ULTIMATE.start_main_~i~4 308), 86502#(<= ULTIMATE.start_main_~i~4 306), 86505#(<= ULTIMATE.start_main_~i~4 312), 86504#(<= ULTIMATE.start_main_~i~4 310), 86507#(<= ULTIMATE.start_main_~i~4 316), 86506#(<= ULTIMATE.start_main_~i~4 314), 86509#(<= ULTIMATE.start_main_~i~4 320), 86508#(<= ULTIMATE.start_main_~i~4 318), 86511#(<= ULTIMATE.start_main_~i~4 324), 86510#(<= ULTIMATE.start_main_~i~4 322), 86513#(<= ULTIMATE.start_main_~i~4 328), 86512#(<= ULTIMATE.start_main_~i~4 326), 86515#(<= ULTIMATE.start_main_~i~4 332), 86514#(<= ULTIMATE.start_main_~i~4 330), 86517#(<= ULTIMATE.start_main_~i~4 336), 86516#(<= ULTIMATE.start_main_~i~4 334), 86519#(<= ULTIMATE.start_main_~i~4 340), 86518#(<= ULTIMATE.start_main_~i~4 338), 86521#(<= ULTIMATE.start_main_~i~4 344), 86520#(<= ULTIMATE.start_main_~i~4 342), 86523#(<= ULTIMATE.start_main_~i~4 348), 86522#(<= ULTIMATE.start_main_~i~4 346), 86525#(<= ULTIMATE.start_main_~i~4 352), 86524#(<= ULTIMATE.start_main_~i~4 350), 86527#(<= ULTIMATE.start_main_~i~4 356), 86526#(<= ULTIMATE.start_main_~i~4 354)] [2018-07-23 13:38:57,410 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 13:38:57,410 INFO L450 AbstractCegarLoop]: Interpolant automaton has 184 states [2018-07-23 13:38:57,411 INFO L132 InterpolantAutomaton]: Constructing interpolant automaton starting with 184 interpolants. [2018-07-23 13:38:57,412 INFO L133 InterpolantAutomaton]: CoverageRelationStatistics Valid=16836, Invalid=16836, Unknown=0, NotChecked=0, Total=33672 [2018-07-23 13:38:57,412 INFO L87 Difference]: Start difference. First operand 185 states and 185 transitions. Second operand 184 states. [2018-07-23 13:38:57,991 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2018-07-23 13:38:57,991 INFO L93 Difference]: Finished difference Result 188 states and 188 transitions. [2018-07-23 13:38:57,991 INFO L142 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 184 states. [2018-07-23 13:38:57,991 INFO L78 Accepts]: Start accepts. Automaton has 184 states. Word has length 184 [2018-07-23 13:38:57,991 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2018-07-23 13:38:57,992 INFO L225 Difference]: With dead ends: 188 [2018-07-23 13:38:57,992 INFO L226 Difference]: Without dead ends: 186 [2018-07-23 13:38:57,992 INFO L575 BasicCegarLoop]: 0 DeclaredPredicates, 183 GetRequests, 1 SyntacticMatches, 0 SemanticMatches, 182 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 0 ImplicationChecksByTransitivity, 0.7s TimeCoverageRelationStatistics Valid=16836, Invalid=16836, Unknown=0, NotChecked=0, Total=33672 [2018-07-23 13:38:57,993 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 186 states. [2018-07-23 13:38:57,994 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 186 to 186. [2018-07-23 13:38:57,994 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 186 states. [2018-07-23 13:38:57,994 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 186 states to 186 states and 186 transitions. [2018-07-23 13:38:57,995 INFO L78 Accepts]: Start accepts. Automaton has 186 states and 186 transitions. Word has length 184 [2018-07-23 13:38:57,995 INFO L84 Accepts]: Finished accepts. word is rejected. [2018-07-23 13:38:57,995 INFO L471 AbstractCegarLoop]: Abstraction has 186 states and 186 transitions. [2018-07-23 13:38:57,995 INFO L472 AbstractCegarLoop]: Interpolant automaton has 184 states. [2018-07-23 13:38:57,995 INFO L276 IsEmpty]: Start isEmpty. Operand 186 states and 186 transitions. [2018-07-23 13:38:57,995 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 186 [2018-07-23 13:38:57,995 INFO L349 BasicCegarLoop]: Found error trace [2018-07-23 13:38:57,995 INFO L357 BasicCegarLoop]: trace histogram [182, 1, 1, 1] [2018-07-23 13:38:57,996 INFO L414 AbstractCegarLoop]: === Iteration 183 === [ULTIMATE.startErr0AssertViolationASSERT]=== [2018-07-23 13:38:57,996 INFO L82 PathProgramCache]: Analyzing trace with hash 233263329, now seen corresponding path program 182 times [2018-07-23 13:38:57,996 INFO L69 tionRefinementEngine]: Using refinement strategy FixedRefinementStrategy [2018-07-23 13:38:58,119 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-07-23 13:38:58,824 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 13:38:58,825 INFO L309 seRefinementStrategy]: Constructing automaton from 0 perfect and 1 imperfect interpolant sequences. [2018-07-23 13:38:58,825 INFO L324 seRefinementStrategy]: Number of different interpolants: perfect sequences [] imperfect sequences [184] total 184 [2018-07-23 13:38:58,825 INFO L142 lantAutomatonBuilder]: Constructing canonical interpolant automaton, with selfloop in false state [2018-07-23 13:38:58,825 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2018-07-23 13:38:58,825 INFO L185 omatonBuilderFactory]: Interpolants [87297#(<= ULTIMATE.start_main_~i~4 32), 87296#(<= ULTIMATE.start_main_~i~4 30), 87299#(<= ULTIMATE.start_main_~i~4 36), 87298#(<= ULTIMATE.start_main_~i~4 34), 87301#(<= ULTIMATE.start_main_~i~4 40), 87300#(<= ULTIMATE.start_main_~i~4 38), 87303#(<= ULTIMATE.start_main_~i~4 44), 87302#(<= ULTIMATE.start_main_~i~4 42), 87305#(<= ULTIMATE.start_main_~i~4 48), 87304#(<= ULTIMATE.start_main_~i~4 46), 87307#(<= ULTIMATE.start_main_~i~4 52), 87306#(<= ULTIMATE.start_main_~i~4 50), 87309#(<= ULTIMATE.start_main_~i~4 56), 87308#(<= ULTIMATE.start_main_~i~4 54), 87311#(<= ULTIMATE.start_main_~i~4 60), 87310#(<= ULTIMATE.start_main_~i~4 58), 87313#(<= ULTIMATE.start_main_~i~4 64), 87312#(<= ULTIMATE.start_main_~i~4 62), 87315#(<= ULTIMATE.start_main_~i~4 68), 87314#(<= ULTIMATE.start_main_~i~4 66), 87317#(<= ULTIMATE.start_main_~i~4 72), 87316#(<= ULTIMATE.start_main_~i~4 70), 87319#(<= ULTIMATE.start_main_~i~4 76), 87318#(<= ULTIMATE.start_main_~i~4 74), 87321#(<= ULTIMATE.start_main_~i~4 80), 87320#(<= ULTIMATE.start_main_~i~4 78), 87323#(<= ULTIMATE.start_main_~i~4 84), 87322#(<= ULTIMATE.start_main_~i~4 82), 87325#(<= ULTIMATE.start_main_~i~4 88), 87324#(<= ULTIMATE.start_main_~i~4 86), 87327#(<= ULTIMATE.start_main_~i~4 92), 87326#(<= ULTIMATE.start_main_~i~4 90), 87329#(<= ULTIMATE.start_main_~i~4 96), 87328#(<= ULTIMATE.start_main_~i~4 94), 87331#(<= ULTIMATE.start_main_~i~4 100), 87330#(<= ULTIMATE.start_main_~i~4 98), 87333#(<= ULTIMATE.start_main_~i~4 104), 87332#(<= ULTIMATE.start_main_~i~4 102), 87335#(<= ULTIMATE.start_main_~i~4 108), 87334#(<= ULTIMATE.start_main_~i~4 106), 87337#(<= ULTIMATE.start_main_~i~4 112), 87336#(<= ULTIMATE.start_main_~i~4 110), 87339#(<= ULTIMATE.start_main_~i~4 116), 87338#(<= ULTIMATE.start_main_~i~4 114), 87341#(<= ULTIMATE.start_main_~i~4 120), 87340#(<= ULTIMATE.start_main_~i~4 118), 87343#(<= ULTIMATE.start_main_~i~4 124), 87342#(<= ULTIMATE.start_main_~i~4 122), 87345#(<= ULTIMATE.start_main_~i~4 128), 87344#(<= ULTIMATE.start_main_~i~4 126), 87347#(<= ULTIMATE.start_main_~i~4 132), 87346#(<= ULTIMATE.start_main_~i~4 130), 87349#(<= ULTIMATE.start_main_~i~4 136), 87348#(<= ULTIMATE.start_main_~i~4 134), 87351#(<= ULTIMATE.start_main_~i~4 140), 87350#(<= ULTIMATE.start_main_~i~4 138), 87353#(<= ULTIMATE.start_main_~i~4 144), 87352#(<= ULTIMATE.start_main_~i~4 142), 87355#(<= ULTIMATE.start_main_~i~4 148), 87354#(<= ULTIMATE.start_main_~i~4 146), 87357#(<= ULTIMATE.start_main_~i~4 152), 87356#(<= ULTIMATE.start_main_~i~4 150), 87359#(<= ULTIMATE.start_main_~i~4 156), 87358#(<= ULTIMATE.start_main_~i~4 154), 87361#(<= ULTIMATE.start_main_~i~4 160), 87360#(<= ULTIMATE.start_main_~i~4 158), 87363#(<= ULTIMATE.start_main_~i~4 164), 87362#(<= ULTIMATE.start_main_~i~4 162), 87365#(<= ULTIMATE.start_main_~i~4 168), 87364#(<= ULTIMATE.start_main_~i~4 166), 87367#(<= ULTIMATE.start_main_~i~4 172), 87366#(<= ULTIMATE.start_main_~i~4 170), 87369#(<= ULTIMATE.start_main_~i~4 176), 87368#(<= ULTIMATE.start_main_~i~4 174), 87371#(<= ULTIMATE.start_main_~i~4 180), 87370#(<= ULTIMATE.start_main_~i~4 178), 87373#(<= ULTIMATE.start_main_~i~4 184), 87372#(<= ULTIMATE.start_main_~i~4 182), 87375#(<= ULTIMATE.start_main_~i~4 188), 87374#(<= ULTIMATE.start_main_~i~4 186), 87377#(<= ULTIMATE.start_main_~i~4 192), 87376#(<= ULTIMATE.start_main_~i~4 190), 87379#(<= ULTIMATE.start_main_~i~4 196), 87378#(<= ULTIMATE.start_main_~i~4 194), 87381#(<= ULTIMATE.start_main_~i~4 200), 87380#(<= ULTIMATE.start_main_~i~4 198), 87383#(<= ULTIMATE.start_main_~i~4 204), 87382#(<= ULTIMATE.start_main_~i~4 202), 87385#(<= ULTIMATE.start_main_~i~4 208), 87384#(<= ULTIMATE.start_main_~i~4 206), 87387#(<= ULTIMATE.start_main_~i~4 212), 87386#(<= ULTIMATE.start_main_~i~4 210), 87389#(<= ULTIMATE.start_main_~i~4 216), 87388#(<= ULTIMATE.start_main_~i~4 214), 87391#(<= ULTIMATE.start_main_~i~4 220), 87390#(<= ULTIMATE.start_main_~i~4 218), 87393#(<= ULTIMATE.start_main_~i~4 224), 87392#(<= ULTIMATE.start_main_~i~4 222), 87395#(<= ULTIMATE.start_main_~i~4 228), 87394#(<= ULTIMATE.start_main_~i~4 226), 87397#(<= ULTIMATE.start_main_~i~4 232), 87396#(<= ULTIMATE.start_main_~i~4 230), 87399#(<= ULTIMATE.start_main_~i~4 236), 87398#(<= ULTIMATE.start_main_~i~4 234), 87401#(<= ULTIMATE.start_main_~i~4 240), 87400#(<= ULTIMATE.start_main_~i~4 238), 87403#(<= ULTIMATE.start_main_~i~4 244), 87402#(<= ULTIMATE.start_main_~i~4 242), 87405#(<= ULTIMATE.start_main_~i~4 248), 87404#(<= ULTIMATE.start_main_~i~4 246), 87407#(<= ULTIMATE.start_main_~i~4 252), 87406#(<= ULTIMATE.start_main_~i~4 250), 87409#(<= ULTIMATE.start_main_~i~4 256), 87408#(<= ULTIMATE.start_main_~i~4 254), 87411#(<= ULTIMATE.start_main_~i~4 260), 87410#(<= ULTIMATE.start_main_~i~4 258), 87413#(<= ULTIMATE.start_main_~i~4 264), 87412#(<= ULTIMATE.start_main_~i~4 262), 87415#(<= ULTIMATE.start_main_~i~4 268), 87414#(<= ULTIMATE.start_main_~i~4 266), 87417#(<= ULTIMATE.start_main_~i~4 272), 87416#(<= ULTIMATE.start_main_~i~4 270), 87419#(<= ULTIMATE.start_main_~i~4 276), 87418#(<= ULTIMATE.start_main_~i~4 274), 87421#(<= ULTIMATE.start_main_~i~4 280), 87420#(<= ULTIMATE.start_main_~i~4 278), 87423#(<= ULTIMATE.start_main_~i~4 284), 87422#(<= ULTIMATE.start_main_~i~4 282), 87425#(<= ULTIMATE.start_main_~i~4 288), 87424#(<= ULTIMATE.start_main_~i~4 286), 87427#(<= ULTIMATE.start_main_~i~4 292), 87426#(<= ULTIMATE.start_main_~i~4 290), 87429#(<= ULTIMATE.start_main_~i~4 296), 87428#(<= ULTIMATE.start_main_~i~4 294), 87431#(<= ULTIMATE.start_main_~i~4 300), 87430#(<= ULTIMATE.start_main_~i~4 298), 87433#(<= ULTIMATE.start_main_~i~4 304), 87432#(<= ULTIMATE.start_main_~i~4 302), 87435#(<= ULTIMATE.start_main_~i~4 308), 87434#(<= ULTIMATE.start_main_~i~4 306), 87437#(<= ULTIMATE.start_main_~i~4 312), 87436#(<= ULTIMATE.start_main_~i~4 310), 87439#(<= ULTIMATE.start_main_~i~4 316), 87438#(<= ULTIMATE.start_main_~i~4 314), 87441#(<= ULTIMATE.start_main_~i~4 320), 87440#(<= ULTIMATE.start_main_~i~4 318), 87443#(<= ULTIMATE.start_main_~i~4 324), 87442#(<= ULTIMATE.start_main_~i~4 322), 87445#(<= ULTIMATE.start_main_~i~4 328), 87444#(<= ULTIMATE.start_main_~i~4 326), 87447#(<= ULTIMATE.start_main_~i~4 332), 87446#(<= ULTIMATE.start_main_~i~4 330), 87449#(<= ULTIMATE.start_main_~i~4 336), 87448#(<= ULTIMATE.start_main_~i~4 334), 87451#(<= ULTIMATE.start_main_~i~4 340), 87450#(<= ULTIMATE.start_main_~i~4 338), 87453#(<= ULTIMATE.start_main_~i~4 344), 87452#(<= ULTIMATE.start_main_~i~4 342), 87455#(<= ULTIMATE.start_main_~i~4 348), 87454#(<= ULTIMATE.start_main_~i~4 346), 87457#(<= ULTIMATE.start_main_~i~4 352), 87456#(<= ULTIMATE.start_main_~i~4 350), 87459#(<= ULTIMATE.start_main_~i~4 356), 87458#(<= ULTIMATE.start_main_~i~4 354), 87461#(<= ULTIMATE.start_main_~i~4 360), 87460#(<= ULTIMATE.start_main_~i~4 358), 87463#(<= ULTIMATE.start_main_~i~4 364), 87462#(<= ULTIMATE.start_main_~i~4 362), 87279#true, 87281#(<= ULTIMATE.start_main_~i~4 0), 87280#false, 87283#(<= ULTIMATE.start_main_~i~4 4), 87282#(<= ULTIMATE.start_main_~i~4 2), 87285#(<= ULTIMATE.start_main_~i~4 8), 87284#(<= ULTIMATE.start_main_~i~4 6), 87287#(<= ULTIMATE.start_main_~i~4 12), 87286#(<= ULTIMATE.start_main_~i~4 10), 87289#(<= ULTIMATE.start_main_~i~4 16), 87288#(<= ULTIMATE.start_main_~i~4 14), 87291#(<= ULTIMATE.start_main_~i~4 20), 87290#(<= ULTIMATE.start_main_~i~4 18), 87293#(<= ULTIMATE.start_main_~i~4 24), 87292#(<= ULTIMATE.start_main_~i~4 22), 87295#(<= ULTIMATE.start_main_~i~4 28), 87294#(<= ULTIMATE.start_main_~i~4 26)] [2018-07-23 13:38:58,826 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 13:38:58,826 INFO L450 AbstractCegarLoop]: Interpolant automaton has 185 states [2018-07-23 13:38:58,829 INFO L132 InterpolantAutomaton]: Constructing interpolant automaton starting with 185 interpolants. [2018-07-23 13:38:58,830 INFO L133 InterpolantAutomaton]: CoverageRelationStatistics Valid=17020, Invalid=17020, Unknown=0, NotChecked=0, Total=34040 [2018-07-23 13:38:58,830 INFO L87 Difference]: Start difference. First operand 186 states and 186 transitions. Second operand 185 states. [2018-07-23 13:38:59,540 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2018-07-23 13:38:59,540 INFO L93 Difference]: Finished difference Result 189 states and 189 transitions. [2018-07-23 13:38:59,540 INFO L142 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 185 states. [2018-07-23 13:38:59,540 INFO L78 Accepts]: Start accepts. Automaton has 185 states. Word has length 185 [2018-07-23 13:38:59,541 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2018-07-23 13:38:59,541 INFO L225 Difference]: With dead ends: 189 [2018-07-23 13:38:59,541 INFO L226 Difference]: Without dead ends: 187 [2018-07-23 13:38:59,542 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 13:38:59,543 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 187 states. [2018-07-23 13:38:59,544 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 187 to 187. [2018-07-23 13:38:59,545 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 187 states. [2018-07-23 13:38:59,545 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 187 states to 187 states and 187 transitions. [2018-07-23 13:38:59,545 INFO L78 Accepts]: Start accepts. Automaton has 187 states and 187 transitions. Word has length 185 [2018-07-23 13:38:59,545 INFO L84 Accepts]: Finished accepts. word is rejected. [2018-07-23 13:38:59,545 INFO L471 AbstractCegarLoop]: Abstraction has 187 states and 187 transitions. [2018-07-23 13:38:59,545 INFO L472 AbstractCegarLoop]: Interpolant automaton has 185 states. [2018-07-23 13:38:59,545 INFO L276 IsEmpty]: Start isEmpty. Operand 187 states and 187 transitions. [2018-07-23 13:38:59,546 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 187 [2018-07-23 13:38:59,546 INFO L349 BasicCegarLoop]: Found error trace [2018-07-23 13:38:59,546 INFO L357 BasicCegarLoop]: trace histogram [183, 1, 1, 1] [2018-07-23 13:38:59,546 INFO L414 AbstractCegarLoop]: === Iteration 184 === [ULTIMATE.startErr0AssertViolationASSERT]=== [2018-07-23 13:38:59,546 INFO L82 PathProgramCache]: Analyzing trace with hash -1358773368, now seen corresponding path program 183 times [2018-07-23 13:38:59,546 INFO L69 tionRefinementEngine]: Using refinement strategy FixedRefinementStrategy [2018-07-23 13:38:59,672 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-07-23 13:39:00,405 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 13:39:00,406 INFO L309 seRefinementStrategy]: Constructing automaton from 0 perfect and 1 imperfect interpolant sequences. [2018-07-23 13:39:00,406 INFO L324 seRefinementStrategy]: Number of different interpolants: perfect sequences [] imperfect sequences [185] total 185 [2018-07-23 13:39:00,406 INFO L142 lantAutomatonBuilder]: Constructing canonical interpolant automaton, with selfloop in false state [2018-07-23 13:39:00,406 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2018-07-23 13:39:00,407 INFO L185 omatonBuilderFactory]: Interpolants [88321#(<= ULTIMATE.start_main_~i~4 206), 88320#(<= ULTIMATE.start_main_~i~4 204), 88323#(<= ULTIMATE.start_main_~i~4 210), 88322#(<= ULTIMATE.start_main_~i~4 208), 88325#(<= ULTIMATE.start_main_~i~4 214), 88324#(<= ULTIMATE.start_main_~i~4 212), 88327#(<= ULTIMATE.start_main_~i~4 218), 88326#(<= ULTIMATE.start_main_~i~4 216), 88329#(<= ULTIMATE.start_main_~i~4 222), 88328#(<= ULTIMATE.start_main_~i~4 220), 88331#(<= ULTIMATE.start_main_~i~4 226), 88330#(<= ULTIMATE.start_main_~i~4 224), 88333#(<= ULTIMATE.start_main_~i~4 230), 88332#(<= ULTIMATE.start_main_~i~4 228), 88335#(<= ULTIMATE.start_main_~i~4 234), 88334#(<= ULTIMATE.start_main_~i~4 232), 88337#(<= ULTIMATE.start_main_~i~4 238), 88336#(<= ULTIMATE.start_main_~i~4 236), 88339#(<= ULTIMATE.start_main_~i~4 242), 88338#(<= ULTIMATE.start_main_~i~4 240), 88341#(<= ULTIMATE.start_main_~i~4 246), 88340#(<= ULTIMATE.start_main_~i~4 244), 88343#(<= ULTIMATE.start_main_~i~4 250), 88342#(<= ULTIMATE.start_main_~i~4 248), 88345#(<= ULTIMATE.start_main_~i~4 254), 88344#(<= ULTIMATE.start_main_~i~4 252), 88347#(<= ULTIMATE.start_main_~i~4 258), 88346#(<= ULTIMATE.start_main_~i~4 256), 88349#(<= ULTIMATE.start_main_~i~4 262), 88348#(<= ULTIMATE.start_main_~i~4 260), 88351#(<= ULTIMATE.start_main_~i~4 266), 88350#(<= ULTIMATE.start_main_~i~4 264), 88353#(<= ULTIMATE.start_main_~i~4 270), 88352#(<= ULTIMATE.start_main_~i~4 268), 88355#(<= ULTIMATE.start_main_~i~4 274), 88354#(<= ULTIMATE.start_main_~i~4 272), 88357#(<= ULTIMATE.start_main_~i~4 278), 88356#(<= ULTIMATE.start_main_~i~4 276), 88359#(<= ULTIMATE.start_main_~i~4 282), 88358#(<= ULTIMATE.start_main_~i~4 280), 88361#(<= ULTIMATE.start_main_~i~4 286), 88360#(<= ULTIMATE.start_main_~i~4 284), 88363#(<= ULTIMATE.start_main_~i~4 290), 88362#(<= ULTIMATE.start_main_~i~4 288), 88365#(<= ULTIMATE.start_main_~i~4 294), 88364#(<= ULTIMATE.start_main_~i~4 292), 88367#(<= ULTIMATE.start_main_~i~4 298), 88366#(<= ULTIMATE.start_main_~i~4 296), 88369#(<= ULTIMATE.start_main_~i~4 302), 88368#(<= ULTIMATE.start_main_~i~4 300), 88371#(<= ULTIMATE.start_main_~i~4 306), 88370#(<= ULTIMATE.start_main_~i~4 304), 88373#(<= ULTIMATE.start_main_~i~4 310), 88372#(<= ULTIMATE.start_main_~i~4 308), 88375#(<= ULTIMATE.start_main_~i~4 314), 88374#(<= ULTIMATE.start_main_~i~4 312), 88377#(<= ULTIMATE.start_main_~i~4 318), 88376#(<= ULTIMATE.start_main_~i~4 316), 88379#(<= ULTIMATE.start_main_~i~4 322), 88378#(<= ULTIMATE.start_main_~i~4 320), 88381#(<= ULTIMATE.start_main_~i~4 326), 88380#(<= ULTIMATE.start_main_~i~4 324), 88383#(<= ULTIMATE.start_main_~i~4 330), 88382#(<= ULTIMATE.start_main_~i~4 328), 88385#(<= ULTIMATE.start_main_~i~4 334), 88384#(<= ULTIMATE.start_main_~i~4 332), 88387#(<= ULTIMATE.start_main_~i~4 338), 88386#(<= ULTIMATE.start_main_~i~4 336), 88389#(<= ULTIMATE.start_main_~i~4 342), 88388#(<= ULTIMATE.start_main_~i~4 340), 88391#(<= ULTIMATE.start_main_~i~4 346), 88390#(<= ULTIMATE.start_main_~i~4 344), 88393#(<= ULTIMATE.start_main_~i~4 350), 88392#(<= ULTIMATE.start_main_~i~4 348), 88395#(<= ULTIMATE.start_main_~i~4 354), 88394#(<= ULTIMATE.start_main_~i~4 352), 88397#(<= ULTIMATE.start_main_~i~4 358), 88396#(<= ULTIMATE.start_main_~i~4 356), 88399#(<= ULTIMATE.start_main_~i~4 362), 88398#(<= ULTIMATE.start_main_~i~4 360), 88401#(<= ULTIMATE.start_main_~i~4 366), 88400#(<= ULTIMATE.start_main_~i~4 364), 88217#false, 88216#true, 88219#(<= ULTIMATE.start_main_~i~4 2), 88218#(<= ULTIMATE.start_main_~i~4 0), 88221#(<= ULTIMATE.start_main_~i~4 6), 88220#(<= ULTIMATE.start_main_~i~4 4), 88223#(<= ULTIMATE.start_main_~i~4 10), 88222#(<= ULTIMATE.start_main_~i~4 8), 88225#(<= ULTIMATE.start_main_~i~4 14), 88224#(<= ULTIMATE.start_main_~i~4 12), 88227#(<= ULTIMATE.start_main_~i~4 18), 88226#(<= ULTIMATE.start_main_~i~4 16), 88229#(<= ULTIMATE.start_main_~i~4 22), 88228#(<= ULTIMATE.start_main_~i~4 20), 88231#(<= ULTIMATE.start_main_~i~4 26), 88230#(<= ULTIMATE.start_main_~i~4 24), 88233#(<= ULTIMATE.start_main_~i~4 30), 88232#(<= ULTIMATE.start_main_~i~4 28), 88235#(<= ULTIMATE.start_main_~i~4 34), 88234#(<= ULTIMATE.start_main_~i~4 32), 88237#(<= ULTIMATE.start_main_~i~4 38), 88236#(<= ULTIMATE.start_main_~i~4 36), 88239#(<= ULTIMATE.start_main_~i~4 42), 88238#(<= ULTIMATE.start_main_~i~4 40), 88241#(<= ULTIMATE.start_main_~i~4 46), 88240#(<= ULTIMATE.start_main_~i~4 44), 88243#(<= ULTIMATE.start_main_~i~4 50), 88242#(<= ULTIMATE.start_main_~i~4 48), 88245#(<= ULTIMATE.start_main_~i~4 54), 88244#(<= ULTIMATE.start_main_~i~4 52), 88247#(<= ULTIMATE.start_main_~i~4 58), 88246#(<= ULTIMATE.start_main_~i~4 56), 88249#(<= ULTIMATE.start_main_~i~4 62), 88248#(<= ULTIMATE.start_main_~i~4 60), 88251#(<= ULTIMATE.start_main_~i~4 66), 88250#(<= ULTIMATE.start_main_~i~4 64), 88253#(<= ULTIMATE.start_main_~i~4 70), 88252#(<= ULTIMATE.start_main_~i~4 68), 88255#(<= ULTIMATE.start_main_~i~4 74), 88254#(<= ULTIMATE.start_main_~i~4 72), 88257#(<= ULTIMATE.start_main_~i~4 78), 88256#(<= ULTIMATE.start_main_~i~4 76), 88259#(<= ULTIMATE.start_main_~i~4 82), 88258#(<= ULTIMATE.start_main_~i~4 80), 88261#(<= ULTIMATE.start_main_~i~4 86), 88260#(<= ULTIMATE.start_main_~i~4 84), 88263#(<= ULTIMATE.start_main_~i~4 90), 88262#(<= ULTIMATE.start_main_~i~4 88), 88265#(<= ULTIMATE.start_main_~i~4 94), 88264#(<= ULTIMATE.start_main_~i~4 92), 88267#(<= ULTIMATE.start_main_~i~4 98), 88266#(<= ULTIMATE.start_main_~i~4 96), 88269#(<= ULTIMATE.start_main_~i~4 102), 88268#(<= ULTIMATE.start_main_~i~4 100), 88271#(<= ULTIMATE.start_main_~i~4 106), 88270#(<= ULTIMATE.start_main_~i~4 104), 88273#(<= ULTIMATE.start_main_~i~4 110), 88272#(<= ULTIMATE.start_main_~i~4 108), 88275#(<= ULTIMATE.start_main_~i~4 114), 88274#(<= ULTIMATE.start_main_~i~4 112), 88277#(<= ULTIMATE.start_main_~i~4 118), 88276#(<= ULTIMATE.start_main_~i~4 116), 88279#(<= ULTIMATE.start_main_~i~4 122), 88278#(<= ULTIMATE.start_main_~i~4 120), 88281#(<= ULTIMATE.start_main_~i~4 126), 88280#(<= ULTIMATE.start_main_~i~4 124), 88283#(<= ULTIMATE.start_main_~i~4 130), 88282#(<= ULTIMATE.start_main_~i~4 128), 88285#(<= ULTIMATE.start_main_~i~4 134), 88284#(<= ULTIMATE.start_main_~i~4 132), 88287#(<= ULTIMATE.start_main_~i~4 138), 88286#(<= ULTIMATE.start_main_~i~4 136), 88289#(<= ULTIMATE.start_main_~i~4 142), 88288#(<= ULTIMATE.start_main_~i~4 140), 88291#(<= ULTIMATE.start_main_~i~4 146), 88290#(<= ULTIMATE.start_main_~i~4 144), 88293#(<= ULTIMATE.start_main_~i~4 150), 88292#(<= ULTIMATE.start_main_~i~4 148), 88295#(<= ULTIMATE.start_main_~i~4 154), 88294#(<= ULTIMATE.start_main_~i~4 152), 88297#(<= ULTIMATE.start_main_~i~4 158), 88296#(<= ULTIMATE.start_main_~i~4 156), 88299#(<= ULTIMATE.start_main_~i~4 162), 88298#(<= ULTIMATE.start_main_~i~4 160), 88301#(<= ULTIMATE.start_main_~i~4 166), 88300#(<= ULTIMATE.start_main_~i~4 164), 88303#(<= ULTIMATE.start_main_~i~4 170), 88302#(<= ULTIMATE.start_main_~i~4 168), 88305#(<= ULTIMATE.start_main_~i~4 174), 88304#(<= ULTIMATE.start_main_~i~4 172), 88307#(<= ULTIMATE.start_main_~i~4 178), 88306#(<= ULTIMATE.start_main_~i~4 176), 88309#(<= ULTIMATE.start_main_~i~4 182), 88308#(<= ULTIMATE.start_main_~i~4 180), 88311#(<= ULTIMATE.start_main_~i~4 186), 88310#(<= ULTIMATE.start_main_~i~4 184), 88313#(<= ULTIMATE.start_main_~i~4 190), 88312#(<= ULTIMATE.start_main_~i~4 188), 88315#(<= ULTIMATE.start_main_~i~4 194), 88314#(<= ULTIMATE.start_main_~i~4 192), 88317#(<= ULTIMATE.start_main_~i~4 198), 88316#(<= ULTIMATE.start_main_~i~4 196), 88319#(<= ULTIMATE.start_main_~i~4 202), 88318#(<= ULTIMATE.start_main_~i~4 200)] [2018-07-23 13:39:00,408 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 13:39:00,408 INFO L450 AbstractCegarLoop]: Interpolant automaton has 186 states [2018-07-23 13:39:00,411 INFO L132 InterpolantAutomaton]: Constructing interpolant automaton starting with 186 interpolants. [2018-07-23 13:39:00,412 INFO L133 InterpolantAutomaton]: CoverageRelationStatistics Valid=17205, Invalid=17205, Unknown=0, NotChecked=0, Total=34410 [2018-07-23 13:39:00,412 INFO L87 Difference]: Start difference. First operand 187 states and 187 transitions. Second operand 186 states. [2018-07-23 13:39:00,624 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2018-07-23 13:39:00,624 INFO L93 Difference]: Finished difference Result 190 states and 190 transitions. [2018-07-23 13:39:00,624 INFO L142 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 186 states. [2018-07-23 13:39:00,624 INFO L78 Accepts]: Start accepts. Automaton has 186 states. Word has length 186 [2018-07-23 13:39:00,624 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2018-07-23 13:39:00,624 INFO L225 Difference]: With dead ends: 190 [2018-07-23 13:39:00,625 INFO L226 Difference]: Without dead ends: 188 [2018-07-23 13:39:00,626 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 13:39:00,626 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 188 states. [2018-07-23 13:39:00,628 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 188 to 188. [2018-07-23 13:39:00,628 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 188 states. [2018-07-23 13:39:00,628 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 188 states to 188 states and 188 transitions. [2018-07-23 13:39:00,628 INFO L78 Accepts]: Start accepts. Automaton has 188 states and 188 transitions. Word has length 186 [2018-07-23 13:39:00,628 INFO L84 Accepts]: Finished accepts. word is rejected. [2018-07-23 13:39:00,628 INFO L471 AbstractCegarLoop]: Abstraction has 188 states and 188 transitions. [2018-07-23 13:39:00,628 INFO L472 AbstractCegarLoop]: Interpolant automaton has 186 states. [2018-07-23 13:39:00,629 INFO L276 IsEmpty]: Start isEmpty. Operand 188 states and 188 transitions. [2018-07-23 13:39:00,629 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 188 [2018-07-23 13:39:00,629 INFO L349 BasicCegarLoop]: Found error trace [2018-07-23 13:39:00,629 INFO L357 BasicCegarLoop]: trace histogram [184, 1, 1, 1] [2018-07-23 13:39:00,629 INFO L414 AbstractCegarLoop]: === Iteration 185 === [ULTIMATE.startErr0AssertViolationASSERT]=== [2018-07-23 13:39:00,629 INFO L82 PathProgramCache]: Analyzing trace with hash 827696577, now seen corresponding path program 184 times [2018-07-23 13:39:00,629 INFO L69 tionRefinementEngine]: Using refinement strategy FixedRefinementStrategy [2018-07-23 13:39:00,750 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-07-23 13:39:01,551 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 13:39:01,552 INFO L309 seRefinementStrategy]: Constructing automaton from 0 perfect and 1 imperfect interpolant sequences. [2018-07-23 13:39:01,552 INFO L324 seRefinementStrategy]: Number of different interpolants: perfect sequences [] imperfect sequences [186] total 186 [2018-07-23 13:39:01,552 INFO L142 lantAutomatonBuilder]: Constructing canonical interpolant automaton, with selfloop in false state [2018-07-23 13:39:01,552 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 13:39:01,552 INFO L185 omatonBuilderFactory]: Interpolants [89344#(<= ULTIMATE.start_main_~i~4 368), 89159#false, 89158#true, 89161#(<= ULTIMATE.start_main_~i~4 2), 89160#(<= ULTIMATE.start_main_~i~4 0), 89163#(<= ULTIMATE.start_main_~i~4 6), 89162#(<= ULTIMATE.start_main_~i~4 4), 89165#(<= ULTIMATE.start_main_~i~4 10), 89164#(<= ULTIMATE.start_main_~i~4 8), 89167#(<= ULTIMATE.start_main_~i~4 14), 89166#(<= ULTIMATE.start_main_~i~4 12), 89169#(<= ULTIMATE.start_main_~i~4 18), 89168#(<= ULTIMATE.start_main_~i~4 16), 89171#(<= ULTIMATE.start_main_~i~4 22), 89170#(<= ULTIMATE.start_main_~i~4 20), 89173#(<= ULTIMATE.start_main_~i~4 26), 89172#(<= ULTIMATE.start_main_~i~4 24), 89175#(<= ULTIMATE.start_main_~i~4 30), 89174#(<= ULTIMATE.start_main_~i~4 28), 89177#(<= ULTIMATE.start_main_~i~4 34), 89176#(<= ULTIMATE.start_main_~i~4 32), 89179#(<= ULTIMATE.start_main_~i~4 38), 89178#(<= ULTIMATE.start_main_~i~4 36), 89181#(<= ULTIMATE.start_main_~i~4 42), 89180#(<= ULTIMATE.start_main_~i~4 40), 89183#(<= ULTIMATE.start_main_~i~4 46), 89182#(<= ULTIMATE.start_main_~i~4 44), 89185#(<= ULTIMATE.start_main_~i~4 50), 89184#(<= ULTIMATE.start_main_~i~4 48), 89187#(<= ULTIMATE.start_main_~i~4 54), 89186#(<= ULTIMATE.start_main_~i~4 52), 89189#(<= ULTIMATE.start_main_~i~4 58), 89188#(<= ULTIMATE.start_main_~i~4 56), 89191#(<= ULTIMATE.start_main_~i~4 62), 89190#(<= ULTIMATE.start_main_~i~4 60), 89193#(<= ULTIMATE.start_main_~i~4 66), 89192#(<= ULTIMATE.start_main_~i~4 64), 89195#(<= ULTIMATE.start_main_~i~4 70), 89194#(<= ULTIMATE.start_main_~i~4 68), 89197#(<= ULTIMATE.start_main_~i~4 74), 89196#(<= ULTIMATE.start_main_~i~4 72), 89199#(<= ULTIMATE.start_main_~i~4 78), 89198#(<= ULTIMATE.start_main_~i~4 76), 89201#(<= ULTIMATE.start_main_~i~4 82), 89200#(<= ULTIMATE.start_main_~i~4 80), 89203#(<= ULTIMATE.start_main_~i~4 86), 89202#(<= ULTIMATE.start_main_~i~4 84), 89205#(<= ULTIMATE.start_main_~i~4 90), 89204#(<= ULTIMATE.start_main_~i~4 88), 89207#(<= ULTIMATE.start_main_~i~4 94), 89206#(<= ULTIMATE.start_main_~i~4 92), 89209#(<= ULTIMATE.start_main_~i~4 98), 89208#(<= ULTIMATE.start_main_~i~4 96), 89211#(<= ULTIMATE.start_main_~i~4 102), 89210#(<= ULTIMATE.start_main_~i~4 100), 89213#(<= ULTIMATE.start_main_~i~4 106), 89212#(<= ULTIMATE.start_main_~i~4 104), 89215#(<= ULTIMATE.start_main_~i~4 110), 89214#(<= ULTIMATE.start_main_~i~4 108), 89217#(<= ULTIMATE.start_main_~i~4 114), 89216#(<= ULTIMATE.start_main_~i~4 112), 89219#(<= ULTIMATE.start_main_~i~4 118), 89218#(<= ULTIMATE.start_main_~i~4 116), 89221#(<= ULTIMATE.start_main_~i~4 122), 89220#(<= ULTIMATE.start_main_~i~4 120), 89223#(<= ULTIMATE.start_main_~i~4 126), 89222#(<= ULTIMATE.start_main_~i~4 124), 89225#(<= ULTIMATE.start_main_~i~4 130), 89224#(<= ULTIMATE.start_main_~i~4 128), 89227#(<= ULTIMATE.start_main_~i~4 134), 89226#(<= ULTIMATE.start_main_~i~4 132), 89229#(<= ULTIMATE.start_main_~i~4 138), 89228#(<= ULTIMATE.start_main_~i~4 136), 89231#(<= ULTIMATE.start_main_~i~4 142), 89230#(<= ULTIMATE.start_main_~i~4 140), 89233#(<= ULTIMATE.start_main_~i~4 146), 89232#(<= ULTIMATE.start_main_~i~4 144), 89235#(<= ULTIMATE.start_main_~i~4 150), 89234#(<= ULTIMATE.start_main_~i~4 148), 89237#(<= ULTIMATE.start_main_~i~4 154), 89236#(<= ULTIMATE.start_main_~i~4 152), 89239#(<= ULTIMATE.start_main_~i~4 158), 89238#(<= ULTIMATE.start_main_~i~4 156), 89241#(<= ULTIMATE.start_main_~i~4 162), 89240#(<= ULTIMATE.start_main_~i~4 160), 89243#(<= ULTIMATE.start_main_~i~4 166), 89242#(<= ULTIMATE.start_main_~i~4 164), 89245#(<= ULTIMATE.start_main_~i~4 170), 89244#(<= ULTIMATE.start_main_~i~4 168), 89247#(<= ULTIMATE.start_main_~i~4 174), 89246#(<= ULTIMATE.start_main_~i~4 172), 89249#(<= ULTIMATE.start_main_~i~4 178), 89248#(<= ULTIMATE.start_main_~i~4 176), 89251#(<= ULTIMATE.start_main_~i~4 182), 89250#(<= ULTIMATE.start_main_~i~4 180), 89253#(<= ULTIMATE.start_main_~i~4 186), 89252#(<= ULTIMATE.start_main_~i~4 184), 89255#(<= ULTIMATE.start_main_~i~4 190), 89254#(<= ULTIMATE.start_main_~i~4 188), 89257#(<= ULTIMATE.start_main_~i~4 194), 89256#(<= ULTIMATE.start_main_~i~4 192), 89259#(<= ULTIMATE.start_main_~i~4 198), 89258#(<= ULTIMATE.start_main_~i~4 196), 89261#(<= ULTIMATE.start_main_~i~4 202), 89260#(<= ULTIMATE.start_main_~i~4 200), 89263#(<= ULTIMATE.start_main_~i~4 206), 89262#(<= ULTIMATE.start_main_~i~4 204), 89265#(<= ULTIMATE.start_main_~i~4 210), 89264#(<= ULTIMATE.start_main_~i~4 208), 89267#(<= ULTIMATE.start_main_~i~4 214), 89266#(<= ULTIMATE.start_main_~i~4 212), 89269#(<= ULTIMATE.start_main_~i~4 218), 89268#(<= ULTIMATE.start_main_~i~4 216), 89271#(<= ULTIMATE.start_main_~i~4 222), 89270#(<= ULTIMATE.start_main_~i~4 220), 89273#(<= ULTIMATE.start_main_~i~4 226), 89272#(<= ULTIMATE.start_main_~i~4 224), 89275#(<= ULTIMATE.start_main_~i~4 230), 89274#(<= ULTIMATE.start_main_~i~4 228), 89277#(<= ULTIMATE.start_main_~i~4 234), 89276#(<= ULTIMATE.start_main_~i~4 232), 89279#(<= ULTIMATE.start_main_~i~4 238), 89278#(<= ULTIMATE.start_main_~i~4 236), 89281#(<= ULTIMATE.start_main_~i~4 242), 89280#(<= ULTIMATE.start_main_~i~4 240), 89283#(<= ULTIMATE.start_main_~i~4 246), 89282#(<= ULTIMATE.start_main_~i~4 244), 89285#(<= ULTIMATE.start_main_~i~4 250), 89284#(<= ULTIMATE.start_main_~i~4 248), 89287#(<= ULTIMATE.start_main_~i~4 254), 89286#(<= ULTIMATE.start_main_~i~4 252), 89289#(<= ULTIMATE.start_main_~i~4 258), 89288#(<= ULTIMATE.start_main_~i~4 256), 89291#(<= ULTIMATE.start_main_~i~4 262), 89290#(<= ULTIMATE.start_main_~i~4 260), 89293#(<= ULTIMATE.start_main_~i~4 266), 89292#(<= ULTIMATE.start_main_~i~4 264), 89295#(<= ULTIMATE.start_main_~i~4 270), 89294#(<= ULTIMATE.start_main_~i~4 268), 89297#(<= ULTIMATE.start_main_~i~4 274), 89296#(<= ULTIMATE.start_main_~i~4 272), 89299#(<= ULTIMATE.start_main_~i~4 278), 89298#(<= ULTIMATE.start_main_~i~4 276), 89301#(<= ULTIMATE.start_main_~i~4 282), 89300#(<= ULTIMATE.start_main_~i~4 280), 89303#(<= ULTIMATE.start_main_~i~4 286), 89302#(<= ULTIMATE.start_main_~i~4 284), 89305#(<= ULTIMATE.start_main_~i~4 290), 89304#(<= ULTIMATE.start_main_~i~4 288), 89307#(<= ULTIMATE.start_main_~i~4 294), 89306#(<= ULTIMATE.start_main_~i~4 292), 89309#(<= ULTIMATE.start_main_~i~4 298), 89308#(<= ULTIMATE.start_main_~i~4 296), 89311#(<= ULTIMATE.start_main_~i~4 302), 89310#(<= ULTIMATE.start_main_~i~4 300), 89313#(<= ULTIMATE.start_main_~i~4 306), 89312#(<= ULTIMATE.start_main_~i~4 304), 89315#(<= ULTIMATE.start_main_~i~4 310), 89314#(<= ULTIMATE.start_main_~i~4 308), 89317#(<= ULTIMATE.start_main_~i~4 314), 89316#(<= ULTIMATE.start_main_~i~4 312), 89319#(<= ULTIMATE.start_main_~i~4 318), 89318#(<= ULTIMATE.start_main_~i~4 316), 89321#(<= ULTIMATE.start_main_~i~4 322), 89320#(<= ULTIMATE.start_main_~i~4 320), 89323#(<= ULTIMATE.start_main_~i~4 326), 89322#(<= ULTIMATE.start_main_~i~4 324), 89325#(<= ULTIMATE.start_main_~i~4 330), 89324#(<= ULTIMATE.start_main_~i~4 328), 89327#(<= ULTIMATE.start_main_~i~4 334), 89326#(<= ULTIMATE.start_main_~i~4 332), 89329#(<= ULTIMATE.start_main_~i~4 338), 89328#(<= ULTIMATE.start_main_~i~4 336), 89331#(<= ULTIMATE.start_main_~i~4 342), 89330#(<= ULTIMATE.start_main_~i~4 340), 89333#(<= ULTIMATE.start_main_~i~4 346), 89332#(<= ULTIMATE.start_main_~i~4 344), 89335#(<= ULTIMATE.start_main_~i~4 350), 89334#(<= ULTIMATE.start_main_~i~4 348), 89337#(<= ULTIMATE.start_main_~i~4 354), 89336#(<= ULTIMATE.start_main_~i~4 352), 89339#(<= ULTIMATE.start_main_~i~4 358), 89338#(<= ULTIMATE.start_main_~i~4 356), 89341#(<= ULTIMATE.start_main_~i~4 362), 89340#(<= ULTIMATE.start_main_~i~4 360), 89343#(<= ULTIMATE.start_main_~i~4 366), 89342#(<= ULTIMATE.start_main_~i~4 364)] [2018-07-23 13:39:01,553 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 13:39:01,553 INFO L450 AbstractCegarLoop]: Interpolant automaton has 187 states [2018-07-23 13:39:01,555 INFO L132 InterpolantAutomaton]: Constructing interpolant automaton starting with 187 interpolants. [2018-07-23 13:39:01,556 INFO L133 InterpolantAutomaton]: CoverageRelationStatistics Valid=17391, Invalid=17391, Unknown=0, NotChecked=0, Total=34782 [2018-07-23 13:39:01,556 INFO L87 Difference]: Start difference. First operand 188 states and 188 transitions. Second operand 187 states. [2018-07-23 13:39:02,391 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2018-07-23 13:39:02,392 INFO L93 Difference]: Finished difference Result 191 states and 191 transitions. [2018-07-23 13:39:02,392 INFO L142 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 187 states. [2018-07-23 13:39:02,392 INFO L78 Accepts]: Start accepts. Automaton has 187 states. Word has length 187 [2018-07-23 13:39:02,392 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2018-07-23 13:39:02,392 INFO L225 Difference]: With dead ends: 191 [2018-07-23 13:39:02,393 INFO L226 Difference]: Without dead ends: 189 [2018-07-23 13:39:02,394 INFO L575 BasicCegarLoop]: 0 DeclaredPredicates, 186 GetRequests, 1 SyntacticMatches, 0 SemanticMatches, 185 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 0 ImplicationChecksByTransitivity, 0.7s TimeCoverageRelationStatistics Valid=17391, Invalid=17391, Unknown=0, NotChecked=0, Total=34782 [2018-07-23 13:39:02,394 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 189 states. [2018-07-23 13:39:02,397 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 189 to 189. [2018-07-23 13:39:02,397 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 189 states. [2018-07-23 13:39:02,397 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 189 states to 189 states and 189 transitions. [2018-07-23 13:39:02,397 INFO L78 Accepts]: Start accepts. Automaton has 189 states and 189 transitions. Word has length 187 [2018-07-23 13:39:02,398 INFO L84 Accepts]: Finished accepts. word is rejected. [2018-07-23 13:39:02,398 INFO L471 AbstractCegarLoop]: Abstraction has 189 states and 189 transitions. [2018-07-23 13:39:02,398 INFO L472 AbstractCegarLoop]: Interpolant automaton has 187 states. [2018-07-23 13:39:02,398 INFO L276 IsEmpty]: Start isEmpty. Operand 189 states and 189 transitions. [2018-07-23 13:39:02,398 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 189 [2018-07-23 13:39:02,399 INFO L349 BasicCegarLoop]: Found error trace [2018-07-23 13:39:02,399 INFO L357 BasicCegarLoop]: trace histogram [185, 1, 1, 1] [2018-07-23 13:39:02,399 INFO L414 AbstractCegarLoop]: === Iteration 186 === [ULTIMATE.startErr0AssertViolationASSERT]=== [2018-07-23 13:39:02,399 INFO L82 PathProgramCache]: Analyzing trace with hash -111211864, now seen corresponding path program 185 times [2018-07-23 13:39:02,399 INFO L69 tionRefinementEngine]: Using refinement strategy FixedRefinementStrategy [2018-07-23 13:39:02,621 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-07-23 13:39:03,474 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 13:39:03,475 INFO L309 seRefinementStrategy]: Constructing automaton from 0 perfect and 1 imperfect interpolant sequences. [2018-07-23 13:39:03,475 INFO L324 seRefinementStrategy]: Number of different interpolants: perfect sequences [] imperfect sequences [187] total 187 [2018-07-23 13:39:03,475 INFO L142 lantAutomatonBuilder]: Constructing canonical interpolant automaton, with selfloop in false state [2018-07-23 13:39:03,475 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2018-07-23 13:39:03,475 INFO L185 omatonBuilderFactory]: Interpolants [90113#(<= ULTIMATE.start_main_~i~4 12), 90112#(<= ULTIMATE.start_main_~i~4 10), 90115#(<= ULTIMATE.start_main_~i~4 16), 90114#(<= ULTIMATE.start_main_~i~4 14), 90117#(<= ULTIMATE.start_main_~i~4 20), 90116#(<= ULTIMATE.start_main_~i~4 18), 90119#(<= ULTIMATE.start_main_~i~4 24), 90118#(<= ULTIMATE.start_main_~i~4 22), 90121#(<= ULTIMATE.start_main_~i~4 28), 90120#(<= ULTIMATE.start_main_~i~4 26), 90123#(<= ULTIMATE.start_main_~i~4 32), 90122#(<= ULTIMATE.start_main_~i~4 30), 90125#(<= ULTIMATE.start_main_~i~4 36), 90124#(<= ULTIMATE.start_main_~i~4 34), 90127#(<= ULTIMATE.start_main_~i~4 40), 90126#(<= ULTIMATE.start_main_~i~4 38), 90129#(<= ULTIMATE.start_main_~i~4 44), 90128#(<= ULTIMATE.start_main_~i~4 42), 90131#(<= ULTIMATE.start_main_~i~4 48), 90130#(<= ULTIMATE.start_main_~i~4 46), 90133#(<= ULTIMATE.start_main_~i~4 52), 90132#(<= ULTIMATE.start_main_~i~4 50), 90135#(<= ULTIMATE.start_main_~i~4 56), 90134#(<= ULTIMATE.start_main_~i~4 54), 90137#(<= ULTIMATE.start_main_~i~4 60), 90136#(<= ULTIMATE.start_main_~i~4 58), 90139#(<= ULTIMATE.start_main_~i~4 64), 90138#(<= ULTIMATE.start_main_~i~4 62), 90141#(<= ULTIMATE.start_main_~i~4 68), 90140#(<= ULTIMATE.start_main_~i~4 66), 90143#(<= ULTIMATE.start_main_~i~4 72), 90142#(<= ULTIMATE.start_main_~i~4 70), 90145#(<= ULTIMATE.start_main_~i~4 76), 90144#(<= ULTIMATE.start_main_~i~4 74), 90147#(<= ULTIMATE.start_main_~i~4 80), 90146#(<= ULTIMATE.start_main_~i~4 78), 90149#(<= ULTIMATE.start_main_~i~4 84), 90148#(<= ULTIMATE.start_main_~i~4 82), 90151#(<= ULTIMATE.start_main_~i~4 88), 90150#(<= ULTIMATE.start_main_~i~4 86), 90153#(<= ULTIMATE.start_main_~i~4 92), 90152#(<= ULTIMATE.start_main_~i~4 90), 90155#(<= ULTIMATE.start_main_~i~4 96), 90154#(<= ULTIMATE.start_main_~i~4 94), 90157#(<= ULTIMATE.start_main_~i~4 100), 90156#(<= ULTIMATE.start_main_~i~4 98), 90159#(<= ULTIMATE.start_main_~i~4 104), 90158#(<= ULTIMATE.start_main_~i~4 102), 90161#(<= ULTIMATE.start_main_~i~4 108), 90160#(<= ULTIMATE.start_main_~i~4 106), 90163#(<= ULTIMATE.start_main_~i~4 112), 90162#(<= ULTIMATE.start_main_~i~4 110), 90165#(<= ULTIMATE.start_main_~i~4 116), 90164#(<= ULTIMATE.start_main_~i~4 114), 90167#(<= ULTIMATE.start_main_~i~4 120), 90166#(<= ULTIMATE.start_main_~i~4 118), 90169#(<= ULTIMATE.start_main_~i~4 124), 90168#(<= ULTIMATE.start_main_~i~4 122), 90171#(<= ULTIMATE.start_main_~i~4 128), 90170#(<= ULTIMATE.start_main_~i~4 126), 90173#(<= ULTIMATE.start_main_~i~4 132), 90172#(<= ULTIMATE.start_main_~i~4 130), 90175#(<= ULTIMATE.start_main_~i~4 136), 90174#(<= ULTIMATE.start_main_~i~4 134), 90177#(<= ULTIMATE.start_main_~i~4 140), 90176#(<= ULTIMATE.start_main_~i~4 138), 90179#(<= ULTIMATE.start_main_~i~4 144), 90178#(<= ULTIMATE.start_main_~i~4 142), 90181#(<= ULTIMATE.start_main_~i~4 148), 90180#(<= ULTIMATE.start_main_~i~4 146), 90183#(<= ULTIMATE.start_main_~i~4 152), 90182#(<= ULTIMATE.start_main_~i~4 150), 90185#(<= ULTIMATE.start_main_~i~4 156), 90184#(<= ULTIMATE.start_main_~i~4 154), 90187#(<= ULTIMATE.start_main_~i~4 160), 90186#(<= ULTIMATE.start_main_~i~4 158), 90189#(<= ULTIMATE.start_main_~i~4 164), 90188#(<= ULTIMATE.start_main_~i~4 162), 90191#(<= ULTIMATE.start_main_~i~4 168), 90190#(<= ULTIMATE.start_main_~i~4 166), 90193#(<= ULTIMATE.start_main_~i~4 172), 90192#(<= ULTIMATE.start_main_~i~4 170), 90195#(<= ULTIMATE.start_main_~i~4 176), 90194#(<= ULTIMATE.start_main_~i~4 174), 90197#(<= ULTIMATE.start_main_~i~4 180), 90196#(<= ULTIMATE.start_main_~i~4 178), 90199#(<= ULTIMATE.start_main_~i~4 184), 90198#(<= ULTIMATE.start_main_~i~4 182), 90201#(<= ULTIMATE.start_main_~i~4 188), 90200#(<= ULTIMATE.start_main_~i~4 186), 90203#(<= ULTIMATE.start_main_~i~4 192), 90202#(<= ULTIMATE.start_main_~i~4 190), 90205#(<= ULTIMATE.start_main_~i~4 196), 90204#(<= ULTIMATE.start_main_~i~4 194), 90207#(<= ULTIMATE.start_main_~i~4 200), 90206#(<= ULTIMATE.start_main_~i~4 198), 90209#(<= ULTIMATE.start_main_~i~4 204), 90208#(<= ULTIMATE.start_main_~i~4 202), 90211#(<= ULTIMATE.start_main_~i~4 208), 90210#(<= ULTIMATE.start_main_~i~4 206), 90213#(<= ULTIMATE.start_main_~i~4 212), 90212#(<= ULTIMATE.start_main_~i~4 210), 90215#(<= ULTIMATE.start_main_~i~4 216), 90214#(<= ULTIMATE.start_main_~i~4 214), 90217#(<= ULTIMATE.start_main_~i~4 220), 90216#(<= ULTIMATE.start_main_~i~4 218), 90219#(<= ULTIMATE.start_main_~i~4 224), 90218#(<= ULTIMATE.start_main_~i~4 222), 90221#(<= ULTIMATE.start_main_~i~4 228), 90220#(<= ULTIMATE.start_main_~i~4 226), 90223#(<= ULTIMATE.start_main_~i~4 232), 90222#(<= ULTIMATE.start_main_~i~4 230), 90225#(<= ULTIMATE.start_main_~i~4 236), 90224#(<= ULTIMATE.start_main_~i~4 234), 90227#(<= ULTIMATE.start_main_~i~4 240), 90226#(<= ULTIMATE.start_main_~i~4 238), 90229#(<= ULTIMATE.start_main_~i~4 244), 90228#(<= ULTIMATE.start_main_~i~4 242), 90231#(<= ULTIMATE.start_main_~i~4 248), 90230#(<= ULTIMATE.start_main_~i~4 246), 90233#(<= ULTIMATE.start_main_~i~4 252), 90232#(<= ULTIMATE.start_main_~i~4 250), 90235#(<= ULTIMATE.start_main_~i~4 256), 90234#(<= ULTIMATE.start_main_~i~4 254), 90237#(<= ULTIMATE.start_main_~i~4 260), 90236#(<= ULTIMATE.start_main_~i~4 258), 90239#(<= ULTIMATE.start_main_~i~4 264), 90238#(<= ULTIMATE.start_main_~i~4 262), 90241#(<= ULTIMATE.start_main_~i~4 268), 90240#(<= ULTIMATE.start_main_~i~4 266), 90243#(<= ULTIMATE.start_main_~i~4 272), 90242#(<= ULTIMATE.start_main_~i~4 270), 90245#(<= ULTIMATE.start_main_~i~4 276), 90244#(<= ULTIMATE.start_main_~i~4 274), 90247#(<= ULTIMATE.start_main_~i~4 280), 90246#(<= ULTIMATE.start_main_~i~4 278), 90249#(<= ULTIMATE.start_main_~i~4 284), 90248#(<= ULTIMATE.start_main_~i~4 282), 90251#(<= ULTIMATE.start_main_~i~4 288), 90250#(<= ULTIMATE.start_main_~i~4 286), 90253#(<= ULTIMATE.start_main_~i~4 292), 90252#(<= ULTIMATE.start_main_~i~4 290), 90255#(<= ULTIMATE.start_main_~i~4 296), 90254#(<= ULTIMATE.start_main_~i~4 294), 90257#(<= ULTIMATE.start_main_~i~4 300), 90256#(<= ULTIMATE.start_main_~i~4 298), 90259#(<= ULTIMATE.start_main_~i~4 304), 90258#(<= ULTIMATE.start_main_~i~4 302), 90261#(<= ULTIMATE.start_main_~i~4 308), 90260#(<= ULTIMATE.start_main_~i~4 306), 90263#(<= ULTIMATE.start_main_~i~4 312), 90262#(<= ULTIMATE.start_main_~i~4 310), 90265#(<= ULTIMATE.start_main_~i~4 316), 90264#(<= ULTIMATE.start_main_~i~4 314), 90267#(<= ULTIMATE.start_main_~i~4 320), 90266#(<= ULTIMATE.start_main_~i~4 318), 90269#(<= ULTIMATE.start_main_~i~4 324), 90268#(<= ULTIMATE.start_main_~i~4 322), 90271#(<= ULTIMATE.start_main_~i~4 328), 90270#(<= ULTIMATE.start_main_~i~4 326), 90273#(<= ULTIMATE.start_main_~i~4 332), 90272#(<= ULTIMATE.start_main_~i~4 330), 90275#(<= ULTIMATE.start_main_~i~4 336), 90274#(<= ULTIMATE.start_main_~i~4 334), 90277#(<= ULTIMATE.start_main_~i~4 340), 90276#(<= ULTIMATE.start_main_~i~4 338), 90279#(<= ULTIMATE.start_main_~i~4 344), 90278#(<= ULTIMATE.start_main_~i~4 342), 90281#(<= ULTIMATE.start_main_~i~4 348), 90280#(<= ULTIMATE.start_main_~i~4 346), 90283#(<= ULTIMATE.start_main_~i~4 352), 90282#(<= ULTIMATE.start_main_~i~4 350), 90285#(<= ULTIMATE.start_main_~i~4 356), 90284#(<= ULTIMATE.start_main_~i~4 354), 90287#(<= ULTIMATE.start_main_~i~4 360), 90286#(<= ULTIMATE.start_main_~i~4 358), 90289#(<= ULTIMATE.start_main_~i~4 364), 90288#(<= ULTIMATE.start_main_~i~4 362), 90291#(<= ULTIMATE.start_main_~i~4 368), 90290#(<= ULTIMATE.start_main_~i~4 366), 90292#(<= ULTIMATE.start_main_~i~4 370), 90105#true, 90107#(<= ULTIMATE.start_main_~i~4 0), 90106#false, 90109#(<= ULTIMATE.start_main_~i~4 4), 90108#(<= ULTIMATE.start_main_~i~4 2), 90111#(<= ULTIMATE.start_main_~i~4 8), 90110#(<= ULTIMATE.start_main_~i~4 6)] [2018-07-23 13:39:03,476 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 13:39:03,476 INFO L450 AbstractCegarLoop]: Interpolant automaton has 188 states [2018-07-23 13:39:03,479 INFO L132 InterpolantAutomaton]: Constructing interpolant automaton starting with 188 interpolants. [2018-07-23 13:39:03,480 INFO L133 InterpolantAutomaton]: CoverageRelationStatistics Valid=17578, Invalid=17578, Unknown=0, NotChecked=0, Total=35156 [2018-07-23 13:39:03,480 INFO L87 Difference]: Start difference. First operand 189 states and 189 transitions. Second operand 188 states. [2018-07-23 13:39:04,311 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2018-07-23 13:39:04,311 INFO L93 Difference]: Finished difference Result 192 states and 192 transitions. [2018-07-23 13:39:04,311 INFO L142 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 188 states. [2018-07-23 13:39:04,311 INFO L78 Accepts]: Start accepts. Automaton has 188 states. Word has length 188 [2018-07-23 13:39:04,311 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2018-07-23 13:39:04,312 INFO L225 Difference]: With dead ends: 192 [2018-07-23 13:39:04,312 INFO L226 Difference]: Without dead ends: 190 [2018-07-23 13:39:04,313 INFO L575 BasicCegarLoop]: 0 DeclaredPredicates, 187 GetRequests, 1 SyntacticMatches, 0 SemanticMatches, 186 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 0 ImplicationChecksByTransitivity, 0.7s TimeCoverageRelationStatistics Valid=17578, Invalid=17578, Unknown=0, NotChecked=0, Total=35156 [2018-07-23 13:39:04,313 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 190 states. [2018-07-23 13:39:04,315 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 190 to 190. [2018-07-23 13:39:04,315 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 190 states. [2018-07-23 13:39:04,315 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 190 states to 190 states and 190 transitions. [2018-07-23 13:39:04,315 INFO L78 Accepts]: Start accepts. Automaton has 190 states and 190 transitions. Word has length 188 [2018-07-23 13:39:04,316 INFO L84 Accepts]: Finished accepts. word is rejected. [2018-07-23 13:39:04,316 INFO L471 AbstractCegarLoop]: Abstraction has 190 states and 190 transitions. [2018-07-23 13:39:04,316 INFO L472 AbstractCegarLoop]: Interpolant automaton has 188 states. [2018-07-23 13:39:04,316 INFO L276 IsEmpty]: Start isEmpty. Operand 190 states and 190 transitions. [2018-07-23 13:39:04,316 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 190 [2018-07-23 13:39:04,316 INFO L349 BasicCegarLoop]: Found error trace [2018-07-23 13:39:04,316 INFO L357 BasicCegarLoop]: trace histogram [186, 1, 1, 1] [2018-07-23 13:39:04,316 INFO L414 AbstractCegarLoop]: === Iteration 187 === [ULTIMATE.startErr0AssertViolationASSERT]=== [2018-07-23 13:39:04,316 INFO L82 PathProgramCache]: Analyzing trace with hash 847397537, now seen corresponding path program 186 times [2018-07-23 13:39:04,317 INFO L69 tionRefinementEngine]: Using refinement strategy FixedRefinementStrategy [2018-07-23 13:39:04,448 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-07-23 13:39:05,214 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 13:39:05,214 INFO L309 seRefinementStrategy]: Constructing automaton from 0 perfect and 1 imperfect interpolant sequences. [2018-07-23 13:39:05,214 INFO L324 seRefinementStrategy]: Number of different interpolants: perfect sequences [] imperfect sequences [188] total 188 [2018-07-23 13:39:05,214 INFO L142 lantAutomatonBuilder]: Constructing canonical interpolant automaton, with selfloop in false state [2018-07-23 13:39:05,215 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2018-07-23 13:39:05,215 INFO L185 omatonBuilderFactory]: Interpolants [91137#(<= ULTIMATE.start_main_~i~4 156), 91136#(<= ULTIMATE.start_main_~i~4 154), 91139#(<= ULTIMATE.start_main_~i~4 160), 91138#(<= ULTIMATE.start_main_~i~4 158), 91141#(<= ULTIMATE.start_main_~i~4 164), 91140#(<= ULTIMATE.start_main_~i~4 162), 91143#(<= ULTIMATE.start_main_~i~4 168), 91142#(<= ULTIMATE.start_main_~i~4 166), 91145#(<= ULTIMATE.start_main_~i~4 172), 91144#(<= ULTIMATE.start_main_~i~4 170), 91147#(<= ULTIMATE.start_main_~i~4 176), 91146#(<= ULTIMATE.start_main_~i~4 174), 91149#(<= ULTIMATE.start_main_~i~4 180), 91148#(<= ULTIMATE.start_main_~i~4 178), 91151#(<= ULTIMATE.start_main_~i~4 184), 91150#(<= ULTIMATE.start_main_~i~4 182), 91153#(<= ULTIMATE.start_main_~i~4 188), 91152#(<= ULTIMATE.start_main_~i~4 186), 91155#(<= ULTIMATE.start_main_~i~4 192), 91154#(<= ULTIMATE.start_main_~i~4 190), 91157#(<= ULTIMATE.start_main_~i~4 196), 91156#(<= ULTIMATE.start_main_~i~4 194), 91159#(<= ULTIMATE.start_main_~i~4 200), 91158#(<= ULTIMATE.start_main_~i~4 198), 91161#(<= ULTIMATE.start_main_~i~4 204), 91160#(<= ULTIMATE.start_main_~i~4 202), 91163#(<= ULTIMATE.start_main_~i~4 208), 91162#(<= ULTIMATE.start_main_~i~4 206), 91165#(<= ULTIMATE.start_main_~i~4 212), 91164#(<= ULTIMATE.start_main_~i~4 210), 91167#(<= ULTIMATE.start_main_~i~4 216), 91166#(<= ULTIMATE.start_main_~i~4 214), 91169#(<= ULTIMATE.start_main_~i~4 220), 91168#(<= ULTIMATE.start_main_~i~4 218), 91171#(<= ULTIMATE.start_main_~i~4 224), 91170#(<= ULTIMATE.start_main_~i~4 222), 91173#(<= ULTIMATE.start_main_~i~4 228), 91172#(<= ULTIMATE.start_main_~i~4 226), 91175#(<= ULTIMATE.start_main_~i~4 232), 91174#(<= ULTIMATE.start_main_~i~4 230), 91177#(<= ULTIMATE.start_main_~i~4 236), 91176#(<= ULTIMATE.start_main_~i~4 234), 91179#(<= ULTIMATE.start_main_~i~4 240), 91178#(<= ULTIMATE.start_main_~i~4 238), 91181#(<= ULTIMATE.start_main_~i~4 244), 91180#(<= ULTIMATE.start_main_~i~4 242), 91183#(<= ULTIMATE.start_main_~i~4 248), 91182#(<= ULTIMATE.start_main_~i~4 246), 91185#(<= ULTIMATE.start_main_~i~4 252), 91184#(<= ULTIMATE.start_main_~i~4 250), 91187#(<= ULTIMATE.start_main_~i~4 256), 91186#(<= ULTIMATE.start_main_~i~4 254), 91189#(<= ULTIMATE.start_main_~i~4 260), 91188#(<= ULTIMATE.start_main_~i~4 258), 91191#(<= ULTIMATE.start_main_~i~4 264), 91190#(<= ULTIMATE.start_main_~i~4 262), 91193#(<= ULTIMATE.start_main_~i~4 268), 91192#(<= ULTIMATE.start_main_~i~4 266), 91195#(<= ULTIMATE.start_main_~i~4 272), 91194#(<= ULTIMATE.start_main_~i~4 270), 91197#(<= ULTIMATE.start_main_~i~4 276), 91196#(<= ULTIMATE.start_main_~i~4 274), 91199#(<= ULTIMATE.start_main_~i~4 280), 91198#(<= ULTIMATE.start_main_~i~4 278), 91201#(<= ULTIMATE.start_main_~i~4 284), 91200#(<= ULTIMATE.start_main_~i~4 282), 91203#(<= ULTIMATE.start_main_~i~4 288), 91202#(<= ULTIMATE.start_main_~i~4 286), 91205#(<= ULTIMATE.start_main_~i~4 292), 91204#(<= ULTIMATE.start_main_~i~4 290), 91207#(<= ULTIMATE.start_main_~i~4 296), 91206#(<= ULTIMATE.start_main_~i~4 294), 91209#(<= ULTIMATE.start_main_~i~4 300), 91208#(<= ULTIMATE.start_main_~i~4 298), 91211#(<= ULTIMATE.start_main_~i~4 304), 91210#(<= ULTIMATE.start_main_~i~4 302), 91213#(<= ULTIMATE.start_main_~i~4 308), 91212#(<= ULTIMATE.start_main_~i~4 306), 91215#(<= ULTIMATE.start_main_~i~4 312), 91214#(<= ULTIMATE.start_main_~i~4 310), 91217#(<= ULTIMATE.start_main_~i~4 316), 91216#(<= ULTIMATE.start_main_~i~4 314), 91219#(<= ULTIMATE.start_main_~i~4 320), 91218#(<= ULTIMATE.start_main_~i~4 318), 91221#(<= ULTIMATE.start_main_~i~4 324), 91220#(<= ULTIMATE.start_main_~i~4 322), 91223#(<= ULTIMATE.start_main_~i~4 328), 91222#(<= ULTIMATE.start_main_~i~4 326), 91225#(<= ULTIMATE.start_main_~i~4 332), 91224#(<= ULTIMATE.start_main_~i~4 330), 91227#(<= ULTIMATE.start_main_~i~4 336), 91226#(<= ULTIMATE.start_main_~i~4 334), 91229#(<= ULTIMATE.start_main_~i~4 340), 91228#(<= ULTIMATE.start_main_~i~4 338), 91231#(<= ULTIMATE.start_main_~i~4 344), 91230#(<= ULTIMATE.start_main_~i~4 342), 91233#(<= ULTIMATE.start_main_~i~4 348), 91232#(<= ULTIMATE.start_main_~i~4 346), 91235#(<= ULTIMATE.start_main_~i~4 352), 91234#(<= ULTIMATE.start_main_~i~4 350), 91237#(<= ULTIMATE.start_main_~i~4 356), 91236#(<= ULTIMATE.start_main_~i~4 354), 91239#(<= ULTIMATE.start_main_~i~4 360), 91238#(<= ULTIMATE.start_main_~i~4 358), 91241#(<= ULTIMATE.start_main_~i~4 364), 91240#(<= ULTIMATE.start_main_~i~4 362), 91243#(<= ULTIMATE.start_main_~i~4 368), 91242#(<= ULTIMATE.start_main_~i~4 366), 91245#(<= ULTIMATE.start_main_~i~4 372), 91244#(<= ULTIMATE.start_main_~i~4 370), 91057#true, 91059#(<= ULTIMATE.start_main_~i~4 0), 91058#false, 91061#(<= ULTIMATE.start_main_~i~4 4), 91060#(<= ULTIMATE.start_main_~i~4 2), 91063#(<= ULTIMATE.start_main_~i~4 8), 91062#(<= ULTIMATE.start_main_~i~4 6), 91065#(<= ULTIMATE.start_main_~i~4 12), 91064#(<= ULTIMATE.start_main_~i~4 10), 91067#(<= ULTIMATE.start_main_~i~4 16), 91066#(<= ULTIMATE.start_main_~i~4 14), 91069#(<= ULTIMATE.start_main_~i~4 20), 91068#(<= ULTIMATE.start_main_~i~4 18), 91071#(<= ULTIMATE.start_main_~i~4 24), 91070#(<= ULTIMATE.start_main_~i~4 22), 91073#(<= ULTIMATE.start_main_~i~4 28), 91072#(<= ULTIMATE.start_main_~i~4 26), 91075#(<= ULTIMATE.start_main_~i~4 32), 91074#(<= ULTIMATE.start_main_~i~4 30), 91077#(<= ULTIMATE.start_main_~i~4 36), 91076#(<= ULTIMATE.start_main_~i~4 34), 91079#(<= ULTIMATE.start_main_~i~4 40), 91078#(<= ULTIMATE.start_main_~i~4 38), 91081#(<= ULTIMATE.start_main_~i~4 44), 91080#(<= ULTIMATE.start_main_~i~4 42), 91083#(<= ULTIMATE.start_main_~i~4 48), 91082#(<= ULTIMATE.start_main_~i~4 46), 91085#(<= ULTIMATE.start_main_~i~4 52), 91084#(<= ULTIMATE.start_main_~i~4 50), 91087#(<= ULTIMATE.start_main_~i~4 56), 91086#(<= ULTIMATE.start_main_~i~4 54), 91089#(<= ULTIMATE.start_main_~i~4 60), 91088#(<= ULTIMATE.start_main_~i~4 58), 91091#(<= ULTIMATE.start_main_~i~4 64), 91090#(<= ULTIMATE.start_main_~i~4 62), 91093#(<= ULTIMATE.start_main_~i~4 68), 91092#(<= ULTIMATE.start_main_~i~4 66), 91095#(<= ULTIMATE.start_main_~i~4 72), 91094#(<= ULTIMATE.start_main_~i~4 70), 91097#(<= ULTIMATE.start_main_~i~4 76), 91096#(<= ULTIMATE.start_main_~i~4 74), 91099#(<= ULTIMATE.start_main_~i~4 80), 91098#(<= ULTIMATE.start_main_~i~4 78), 91101#(<= ULTIMATE.start_main_~i~4 84), 91100#(<= ULTIMATE.start_main_~i~4 82), 91103#(<= ULTIMATE.start_main_~i~4 88), 91102#(<= ULTIMATE.start_main_~i~4 86), 91105#(<= ULTIMATE.start_main_~i~4 92), 91104#(<= ULTIMATE.start_main_~i~4 90), 91107#(<= ULTIMATE.start_main_~i~4 96), 91106#(<= ULTIMATE.start_main_~i~4 94), 91109#(<= ULTIMATE.start_main_~i~4 100), 91108#(<= ULTIMATE.start_main_~i~4 98), 91111#(<= ULTIMATE.start_main_~i~4 104), 91110#(<= ULTIMATE.start_main_~i~4 102), 91113#(<= ULTIMATE.start_main_~i~4 108), 91112#(<= ULTIMATE.start_main_~i~4 106), 91115#(<= ULTIMATE.start_main_~i~4 112), 91114#(<= ULTIMATE.start_main_~i~4 110), 91117#(<= ULTIMATE.start_main_~i~4 116), 91116#(<= ULTIMATE.start_main_~i~4 114), 91119#(<= ULTIMATE.start_main_~i~4 120), 91118#(<= ULTIMATE.start_main_~i~4 118), 91121#(<= ULTIMATE.start_main_~i~4 124), 91120#(<= ULTIMATE.start_main_~i~4 122), 91123#(<= ULTIMATE.start_main_~i~4 128), 91122#(<= ULTIMATE.start_main_~i~4 126), 91125#(<= ULTIMATE.start_main_~i~4 132), 91124#(<= ULTIMATE.start_main_~i~4 130), 91127#(<= ULTIMATE.start_main_~i~4 136), 91126#(<= ULTIMATE.start_main_~i~4 134), 91129#(<= ULTIMATE.start_main_~i~4 140), 91128#(<= ULTIMATE.start_main_~i~4 138), 91131#(<= ULTIMATE.start_main_~i~4 144), 91130#(<= ULTIMATE.start_main_~i~4 142), 91133#(<= ULTIMATE.start_main_~i~4 148), 91132#(<= ULTIMATE.start_main_~i~4 146), 91135#(<= ULTIMATE.start_main_~i~4 152), 91134#(<= ULTIMATE.start_main_~i~4 150)] [2018-07-23 13:39:05,216 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 13:39:05,216 INFO L450 AbstractCegarLoop]: Interpolant automaton has 189 states [2018-07-23 13:39:05,218 INFO L132 InterpolantAutomaton]: Constructing interpolant automaton starting with 189 interpolants. [2018-07-23 13:39:05,219 INFO L133 InterpolantAutomaton]: CoverageRelationStatistics Valid=17766, Invalid=17766, Unknown=0, NotChecked=0, Total=35532 [2018-07-23 13:39:05,219 INFO L87 Difference]: Start difference. First operand 190 states and 190 transitions. Second operand 189 states. [2018-07-23 13:39:05,525 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2018-07-23 13:39:05,525 INFO L93 Difference]: Finished difference Result 193 states and 193 transitions. [2018-07-23 13:39:05,525 INFO L142 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 189 states. [2018-07-23 13:39:05,525 INFO L78 Accepts]: Start accepts. Automaton has 189 states. Word has length 189 [2018-07-23 13:39:05,526 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2018-07-23 13:39:05,526 INFO L225 Difference]: With dead ends: 193 [2018-07-23 13:39:05,526 INFO L226 Difference]: Without dead ends: 191 [2018-07-23 13:39:05,529 INFO L575 BasicCegarLoop]: 0 DeclaredPredicates, 188 GetRequests, 1 SyntacticMatches, 0 SemanticMatches, 187 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 0 ImplicationChecksByTransitivity, 0.7s TimeCoverageRelationStatistics Valid=17766, Invalid=17766, Unknown=0, NotChecked=0, Total=35532 [2018-07-23 13:39:05,529 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 191 states. [2018-07-23 13:39:05,531 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 191 to 191. [2018-07-23 13:39:05,531 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 191 states. [2018-07-23 13:39:05,532 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 191 states to 191 states and 191 transitions. [2018-07-23 13:39:05,532 INFO L78 Accepts]: Start accepts. Automaton has 191 states and 191 transitions. Word has length 189 [2018-07-23 13:39:05,532 INFO L84 Accepts]: Finished accepts. word is rejected. [2018-07-23 13:39:05,532 INFO L471 AbstractCegarLoop]: Abstraction has 191 states and 191 transitions. [2018-07-23 13:39:05,532 INFO L472 AbstractCegarLoop]: Interpolant automaton has 189 states. [2018-07-23 13:39:05,532 INFO L276 IsEmpty]: Start isEmpty. Operand 191 states and 191 transitions. [2018-07-23 13:39:05,533 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 191 [2018-07-23 13:39:05,533 INFO L349 BasicCegarLoop]: Found error trace [2018-07-23 13:39:05,533 INFO L357 BasicCegarLoop]: trace histogram [187, 1, 1, 1] [2018-07-23 13:39:05,533 INFO L414 AbstractCegarLoop]: === Iteration 188 === [ULTIMATE.startErr0AssertViolationASSERT]=== [2018-07-23 13:39:05,533 INFO L82 PathProgramCache]: Analyzing trace with hash 499517896, now seen corresponding path program 187 times [2018-07-23 13:39:05,534 INFO L69 tionRefinementEngine]: Using refinement strategy FixedRefinementStrategy [2018-07-23 13:39:05,661 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-07-23 13:39:06,501 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 13:39:06,502 INFO L309 seRefinementStrategy]: Constructing automaton from 0 perfect and 1 imperfect interpolant sequences. [2018-07-23 13:39:06,502 INFO L324 seRefinementStrategy]: Number of different interpolants: perfect sequences [] imperfect sequences [189] total 189 [2018-07-23 13:39:06,502 INFO L142 lantAutomatonBuilder]: Constructing canonical interpolant automaton, with selfloop in false state [2018-07-23 13:39:06,502 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2018-07-23 13:39:06,503 INFO L185 omatonBuilderFactory]: Interpolants [92161#(<= ULTIMATE.start_main_~i~4 290), 92160#(<= ULTIMATE.start_main_~i~4 288), 92163#(<= ULTIMATE.start_main_~i~4 294), 92162#(<= ULTIMATE.start_main_~i~4 292), 92165#(<= ULTIMATE.start_main_~i~4 298), 92164#(<= ULTIMATE.start_main_~i~4 296), 92167#(<= ULTIMATE.start_main_~i~4 302), 92166#(<= ULTIMATE.start_main_~i~4 300), 92169#(<= ULTIMATE.start_main_~i~4 306), 92168#(<= ULTIMATE.start_main_~i~4 304), 92171#(<= ULTIMATE.start_main_~i~4 310), 92170#(<= ULTIMATE.start_main_~i~4 308), 92173#(<= ULTIMATE.start_main_~i~4 314), 92172#(<= ULTIMATE.start_main_~i~4 312), 92175#(<= ULTIMATE.start_main_~i~4 318), 92174#(<= ULTIMATE.start_main_~i~4 316), 92177#(<= ULTIMATE.start_main_~i~4 322), 92176#(<= ULTIMATE.start_main_~i~4 320), 92179#(<= ULTIMATE.start_main_~i~4 326), 92178#(<= ULTIMATE.start_main_~i~4 324), 92181#(<= ULTIMATE.start_main_~i~4 330), 92180#(<= ULTIMATE.start_main_~i~4 328), 92183#(<= ULTIMATE.start_main_~i~4 334), 92182#(<= ULTIMATE.start_main_~i~4 332), 92185#(<= ULTIMATE.start_main_~i~4 338), 92184#(<= ULTIMATE.start_main_~i~4 336), 92187#(<= ULTIMATE.start_main_~i~4 342), 92186#(<= ULTIMATE.start_main_~i~4 340), 92189#(<= ULTIMATE.start_main_~i~4 346), 92188#(<= ULTIMATE.start_main_~i~4 344), 92191#(<= ULTIMATE.start_main_~i~4 350), 92190#(<= ULTIMATE.start_main_~i~4 348), 92193#(<= ULTIMATE.start_main_~i~4 354), 92192#(<= ULTIMATE.start_main_~i~4 352), 92195#(<= ULTIMATE.start_main_~i~4 358), 92194#(<= ULTIMATE.start_main_~i~4 356), 92197#(<= ULTIMATE.start_main_~i~4 362), 92196#(<= ULTIMATE.start_main_~i~4 360), 92199#(<= ULTIMATE.start_main_~i~4 366), 92198#(<= ULTIMATE.start_main_~i~4 364), 92201#(<= ULTIMATE.start_main_~i~4 370), 92200#(<= ULTIMATE.start_main_~i~4 368), 92203#(<= ULTIMATE.start_main_~i~4 374), 92202#(<= ULTIMATE.start_main_~i~4 372), 92015#false, 92014#true, 92017#(<= ULTIMATE.start_main_~i~4 2), 92016#(<= ULTIMATE.start_main_~i~4 0), 92019#(<= ULTIMATE.start_main_~i~4 6), 92018#(<= ULTIMATE.start_main_~i~4 4), 92021#(<= ULTIMATE.start_main_~i~4 10), 92020#(<= ULTIMATE.start_main_~i~4 8), 92023#(<= ULTIMATE.start_main_~i~4 14), 92022#(<= ULTIMATE.start_main_~i~4 12), 92025#(<= ULTIMATE.start_main_~i~4 18), 92024#(<= ULTIMATE.start_main_~i~4 16), 92027#(<= ULTIMATE.start_main_~i~4 22), 92026#(<= ULTIMATE.start_main_~i~4 20), 92029#(<= ULTIMATE.start_main_~i~4 26), 92028#(<= ULTIMATE.start_main_~i~4 24), 92031#(<= ULTIMATE.start_main_~i~4 30), 92030#(<= ULTIMATE.start_main_~i~4 28), 92033#(<= ULTIMATE.start_main_~i~4 34), 92032#(<= ULTIMATE.start_main_~i~4 32), 92035#(<= ULTIMATE.start_main_~i~4 38), 92034#(<= ULTIMATE.start_main_~i~4 36), 92037#(<= ULTIMATE.start_main_~i~4 42), 92036#(<= ULTIMATE.start_main_~i~4 40), 92039#(<= ULTIMATE.start_main_~i~4 46), 92038#(<= ULTIMATE.start_main_~i~4 44), 92041#(<= ULTIMATE.start_main_~i~4 50), 92040#(<= ULTIMATE.start_main_~i~4 48), 92043#(<= ULTIMATE.start_main_~i~4 54), 92042#(<= ULTIMATE.start_main_~i~4 52), 92045#(<= ULTIMATE.start_main_~i~4 58), 92044#(<= ULTIMATE.start_main_~i~4 56), 92047#(<= ULTIMATE.start_main_~i~4 62), 92046#(<= ULTIMATE.start_main_~i~4 60), 92049#(<= ULTIMATE.start_main_~i~4 66), 92048#(<= ULTIMATE.start_main_~i~4 64), 92051#(<= ULTIMATE.start_main_~i~4 70), 92050#(<= ULTIMATE.start_main_~i~4 68), 92053#(<= ULTIMATE.start_main_~i~4 74), 92052#(<= ULTIMATE.start_main_~i~4 72), 92055#(<= ULTIMATE.start_main_~i~4 78), 92054#(<= ULTIMATE.start_main_~i~4 76), 92057#(<= ULTIMATE.start_main_~i~4 82), 92056#(<= ULTIMATE.start_main_~i~4 80), 92059#(<= ULTIMATE.start_main_~i~4 86), 92058#(<= ULTIMATE.start_main_~i~4 84), 92061#(<= ULTIMATE.start_main_~i~4 90), 92060#(<= ULTIMATE.start_main_~i~4 88), 92063#(<= ULTIMATE.start_main_~i~4 94), 92062#(<= ULTIMATE.start_main_~i~4 92), 92065#(<= ULTIMATE.start_main_~i~4 98), 92064#(<= ULTIMATE.start_main_~i~4 96), 92067#(<= ULTIMATE.start_main_~i~4 102), 92066#(<= ULTIMATE.start_main_~i~4 100), 92069#(<= ULTIMATE.start_main_~i~4 106), 92068#(<= ULTIMATE.start_main_~i~4 104), 92071#(<= ULTIMATE.start_main_~i~4 110), 92070#(<= ULTIMATE.start_main_~i~4 108), 92073#(<= ULTIMATE.start_main_~i~4 114), 92072#(<= ULTIMATE.start_main_~i~4 112), 92075#(<= ULTIMATE.start_main_~i~4 118), 92074#(<= ULTIMATE.start_main_~i~4 116), 92077#(<= ULTIMATE.start_main_~i~4 122), 92076#(<= ULTIMATE.start_main_~i~4 120), 92079#(<= ULTIMATE.start_main_~i~4 126), 92078#(<= ULTIMATE.start_main_~i~4 124), 92081#(<= ULTIMATE.start_main_~i~4 130), 92080#(<= ULTIMATE.start_main_~i~4 128), 92083#(<= ULTIMATE.start_main_~i~4 134), 92082#(<= ULTIMATE.start_main_~i~4 132), 92085#(<= ULTIMATE.start_main_~i~4 138), 92084#(<= ULTIMATE.start_main_~i~4 136), 92087#(<= ULTIMATE.start_main_~i~4 142), 92086#(<= ULTIMATE.start_main_~i~4 140), 92089#(<= ULTIMATE.start_main_~i~4 146), 92088#(<= ULTIMATE.start_main_~i~4 144), 92091#(<= ULTIMATE.start_main_~i~4 150), 92090#(<= ULTIMATE.start_main_~i~4 148), 92093#(<= ULTIMATE.start_main_~i~4 154), 92092#(<= ULTIMATE.start_main_~i~4 152), 92095#(<= ULTIMATE.start_main_~i~4 158), 92094#(<= ULTIMATE.start_main_~i~4 156), 92097#(<= ULTIMATE.start_main_~i~4 162), 92096#(<= ULTIMATE.start_main_~i~4 160), 92099#(<= ULTIMATE.start_main_~i~4 166), 92098#(<= ULTIMATE.start_main_~i~4 164), 92101#(<= ULTIMATE.start_main_~i~4 170), 92100#(<= ULTIMATE.start_main_~i~4 168), 92103#(<= ULTIMATE.start_main_~i~4 174), 92102#(<= ULTIMATE.start_main_~i~4 172), 92105#(<= ULTIMATE.start_main_~i~4 178), 92104#(<= ULTIMATE.start_main_~i~4 176), 92107#(<= ULTIMATE.start_main_~i~4 182), 92106#(<= ULTIMATE.start_main_~i~4 180), 92109#(<= ULTIMATE.start_main_~i~4 186), 92108#(<= ULTIMATE.start_main_~i~4 184), 92111#(<= ULTIMATE.start_main_~i~4 190), 92110#(<= ULTIMATE.start_main_~i~4 188), 92113#(<= ULTIMATE.start_main_~i~4 194), 92112#(<= ULTIMATE.start_main_~i~4 192), 92115#(<= ULTIMATE.start_main_~i~4 198), 92114#(<= ULTIMATE.start_main_~i~4 196), 92117#(<= ULTIMATE.start_main_~i~4 202), 92116#(<= ULTIMATE.start_main_~i~4 200), 92119#(<= ULTIMATE.start_main_~i~4 206), 92118#(<= ULTIMATE.start_main_~i~4 204), 92121#(<= ULTIMATE.start_main_~i~4 210), 92120#(<= ULTIMATE.start_main_~i~4 208), 92123#(<= ULTIMATE.start_main_~i~4 214), 92122#(<= ULTIMATE.start_main_~i~4 212), 92125#(<= ULTIMATE.start_main_~i~4 218), 92124#(<= ULTIMATE.start_main_~i~4 216), 92127#(<= ULTIMATE.start_main_~i~4 222), 92126#(<= ULTIMATE.start_main_~i~4 220), 92129#(<= ULTIMATE.start_main_~i~4 226), 92128#(<= ULTIMATE.start_main_~i~4 224), 92131#(<= ULTIMATE.start_main_~i~4 230), 92130#(<= ULTIMATE.start_main_~i~4 228), 92133#(<= ULTIMATE.start_main_~i~4 234), 92132#(<= ULTIMATE.start_main_~i~4 232), 92135#(<= ULTIMATE.start_main_~i~4 238), 92134#(<= ULTIMATE.start_main_~i~4 236), 92137#(<= ULTIMATE.start_main_~i~4 242), 92136#(<= ULTIMATE.start_main_~i~4 240), 92139#(<= ULTIMATE.start_main_~i~4 246), 92138#(<= ULTIMATE.start_main_~i~4 244), 92141#(<= ULTIMATE.start_main_~i~4 250), 92140#(<= ULTIMATE.start_main_~i~4 248), 92143#(<= ULTIMATE.start_main_~i~4 254), 92142#(<= ULTIMATE.start_main_~i~4 252), 92145#(<= ULTIMATE.start_main_~i~4 258), 92144#(<= ULTIMATE.start_main_~i~4 256), 92147#(<= ULTIMATE.start_main_~i~4 262), 92146#(<= ULTIMATE.start_main_~i~4 260), 92149#(<= ULTIMATE.start_main_~i~4 266), 92148#(<= ULTIMATE.start_main_~i~4 264), 92151#(<= ULTIMATE.start_main_~i~4 270), 92150#(<= ULTIMATE.start_main_~i~4 268), 92153#(<= ULTIMATE.start_main_~i~4 274), 92152#(<= ULTIMATE.start_main_~i~4 272), 92155#(<= ULTIMATE.start_main_~i~4 278), 92154#(<= ULTIMATE.start_main_~i~4 276), 92157#(<= ULTIMATE.start_main_~i~4 282), 92156#(<= ULTIMATE.start_main_~i~4 280), 92159#(<= ULTIMATE.start_main_~i~4 286), 92158#(<= ULTIMATE.start_main_~i~4 284)] [2018-07-23 13:39:06,503 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 13:39:06,503 INFO L450 AbstractCegarLoop]: Interpolant automaton has 190 states [2018-07-23 13:39:06,505 INFO L132 InterpolantAutomaton]: Constructing interpolant automaton starting with 190 interpolants. [2018-07-23 13:39:06,506 INFO L133 InterpolantAutomaton]: CoverageRelationStatistics Valid=17955, Invalid=17955, Unknown=0, NotChecked=0, Total=35910 [2018-07-23 13:39:06,506 INFO L87 Difference]: Start difference. First operand 191 states and 191 transitions. Second operand 190 states. [2018-07-23 13:39:06,862 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2018-07-23 13:39:06,862 INFO L93 Difference]: Finished difference Result 194 states and 194 transitions. [2018-07-23 13:39:06,862 INFO L142 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 190 states. [2018-07-23 13:39:06,862 INFO L78 Accepts]: Start accepts. Automaton has 190 states. Word has length 190 [2018-07-23 13:39:06,862 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2018-07-23 13:39:06,863 INFO L225 Difference]: With dead ends: 194 [2018-07-23 13:39:06,863 INFO L226 Difference]: Without dead ends: 192 [2018-07-23 13:39:06,864 INFO L575 BasicCegarLoop]: 0 DeclaredPredicates, 189 GetRequests, 1 SyntacticMatches, 0 SemanticMatches, 188 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 0 ImplicationChecksByTransitivity, 0.7s TimeCoverageRelationStatistics Valid=17955, Invalid=17955, Unknown=0, NotChecked=0, Total=35910 [2018-07-23 13:39:06,864 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 192 states. [2018-07-23 13:39:06,866 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 192 to 192. [2018-07-23 13:39:06,866 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 192 states. [2018-07-23 13:39:06,866 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 192 states to 192 states and 192 transitions. [2018-07-23 13:39:06,866 INFO L78 Accepts]: Start accepts. Automaton has 192 states and 192 transitions. Word has length 190 [2018-07-23 13:39:06,866 INFO L84 Accepts]: Finished accepts. word is rejected. [2018-07-23 13:39:06,866 INFO L471 AbstractCegarLoop]: Abstraction has 192 states and 192 transitions. [2018-07-23 13:39:06,867 INFO L472 AbstractCegarLoop]: Interpolant automaton has 190 states. [2018-07-23 13:39:06,867 INFO L276 IsEmpty]: Start isEmpty. Operand 192 states and 192 transitions. [2018-07-23 13:39:06,867 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 192 [2018-07-23 13:39:06,867 INFO L349 BasicCegarLoop]: Found error trace [2018-07-23 13:39:06,867 INFO L357 BasicCegarLoop]: trace histogram [188, 1, 1, 1] [2018-07-23 13:39:06,867 INFO L414 AbstractCegarLoop]: === Iteration 189 === [ULTIMATE.startErr0AssertViolationASSERT]=== [2018-07-23 13:39:06,867 INFO L82 PathProgramCache]: Analyzing trace with hash -1694816383, now seen corresponding path program 188 times [2018-07-23 13:39:06,868 INFO L69 tionRefinementEngine]: Using refinement strategy FixedRefinementStrategy [2018-07-23 13:39:07,003 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-07-23 13:39:07,766 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 13:39:07,767 INFO L309 seRefinementStrategy]: Constructing automaton from 0 perfect and 1 imperfect interpolant sequences. [2018-07-23 13:39:07,767 INFO L324 seRefinementStrategy]: Number of different interpolants: perfect sequences [] imperfect sequences [190] total 190 [2018-07-23 13:39:07,767 INFO L142 lantAutomatonBuilder]: Constructing canonical interpolant automaton, with selfloop in false state [2018-07-23 13:39:07,767 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 13:39:07,767 INFO L185 omatonBuilderFactory]: Interpolants [92977#false, 92976#true, 92979#(<= ULTIMATE.start_main_~i~4 2), 92978#(<= ULTIMATE.start_main_~i~4 0), 92981#(<= ULTIMATE.start_main_~i~4 6), 92980#(<= ULTIMATE.start_main_~i~4 4), 92983#(<= ULTIMATE.start_main_~i~4 10), 92982#(<= ULTIMATE.start_main_~i~4 8), 92985#(<= ULTIMATE.start_main_~i~4 14), 92984#(<= ULTIMATE.start_main_~i~4 12), 92987#(<= ULTIMATE.start_main_~i~4 18), 92986#(<= ULTIMATE.start_main_~i~4 16), 92989#(<= ULTIMATE.start_main_~i~4 22), 92988#(<= ULTIMATE.start_main_~i~4 20), 92991#(<= ULTIMATE.start_main_~i~4 26), 92990#(<= ULTIMATE.start_main_~i~4 24), 92993#(<= ULTIMATE.start_main_~i~4 30), 92992#(<= ULTIMATE.start_main_~i~4 28), 92995#(<= ULTIMATE.start_main_~i~4 34), 92994#(<= ULTIMATE.start_main_~i~4 32), 92997#(<= ULTIMATE.start_main_~i~4 38), 92996#(<= ULTIMATE.start_main_~i~4 36), 92999#(<= ULTIMATE.start_main_~i~4 42), 92998#(<= ULTIMATE.start_main_~i~4 40), 93001#(<= ULTIMATE.start_main_~i~4 46), 93000#(<= ULTIMATE.start_main_~i~4 44), 93003#(<= ULTIMATE.start_main_~i~4 50), 93002#(<= ULTIMATE.start_main_~i~4 48), 93005#(<= ULTIMATE.start_main_~i~4 54), 93004#(<= ULTIMATE.start_main_~i~4 52), 93007#(<= ULTIMATE.start_main_~i~4 58), 93006#(<= ULTIMATE.start_main_~i~4 56), 93009#(<= ULTIMATE.start_main_~i~4 62), 93008#(<= ULTIMATE.start_main_~i~4 60), 93011#(<= ULTIMATE.start_main_~i~4 66), 93010#(<= ULTIMATE.start_main_~i~4 64), 93013#(<= ULTIMATE.start_main_~i~4 70), 93012#(<= ULTIMATE.start_main_~i~4 68), 93015#(<= ULTIMATE.start_main_~i~4 74), 93014#(<= ULTIMATE.start_main_~i~4 72), 93017#(<= ULTIMATE.start_main_~i~4 78), 93016#(<= ULTIMATE.start_main_~i~4 76), 93019#(<= ULTIMATE.start_main_~i~4 82), 93018#(<= ULTIMATE.start_main_~i~4 80), 93021#(<= ULTIMATE.start_main_~i~4 86), 93020#(<= ULTIMATE.start_main_~i~4 84), 93023#(<= ULTIMATE.start_main_~i~4 90), 93022#(<= ULTIMATE.start_main_~i~4 88), 93025#(<= ULTIMATE.start_main_~i~4 94), 93024#(<= ULTIMATE.start_main_~i~4 92), 93027#(<= ULTIMATE.start_main_~i~4 98), 93026#(<= ULTIMATE.start_main_~i~4 96), 93029#(<= ULTIMATE.start_main_~i~4 102), 93028#(<= ULTIMATE.start_main_~i~4 100), 93031#(<= ULTIMATE.start_main_~i~4 106), 93030#(<= ULTIMATE.start_main_~i~4 104), 93033#(<= ULTIMATE.start_main_~i~4 110), 93032#(<= ULTIMATE.start_main_~i~4 108), 93035#(<= ULTIMATE.start_main_~i~4 114), 93034#(<= ULTIMATE.start_main_~i~4 112), 93037#(<= ULTIMATE.start_main_~i~4 118), 93036#(<= ULTIMATE.start_main_~i~4 116), 93039#(<= ULTIMATE.start_main_~i~4 122), 93038#(<= ULTIMATE.start_main_~i~4 120), 93041#(<= ULTIMATE.start_main_~i~4 126), 93040#(<= ULTIMATE.start_main_~i~4 124), 93043#(<= ULTIMATE.start_main_~i~4 130), 93042#(<= ULTIMATE.start_main_~i~4 128), 93045#(<= ULTIMATE.start_main_~i~4 134), 93044#(<= ULTIMATE.start_main_~i~4 132), 93047#(<= ULTIMATE.start_main_~i~4 138), 93046#(<= ULTIMATE.start_main_~i~4 136), 93049#(<= ULTIMATE.start_main_~i~4 142), 93048#(<= ULTIMATE.start_main_~i~4 140), 93051#(<= ULTIMATE.start_main_~i~4 146), 93050#(<= ULTIMATE.start_main_~i~4 144), 93053#(<= ULTIMATE.start_main_~i~4 150), 93052#(<= ULTIMATE.start_main_~i~4 148), 93055#(<= ULTIMATE.start_main_~i~4 154), 93054#(<= ULTIMATE.start_main_~i~4 152), 93057#(<= ULTIMATE.start_main_~i~4 158), 93056#(<= ULTIMATE.start_main_~i~4 156), 93059#(<= ULTIMATE.start_main_~i~4 162), 93058#(<= ULTIMATE.start_main_~i~4 160), 93061#(<= ULTIMATE.start_main_~i~4 166), 93060#(<= ULTIMATE.start_main_~i~4 164), 93063#(<= ULTIMATE.start_main_~i~4 170), 93062#(<= ULTIMATE.start_main_~i~4 168), 93065#(<= ULTIMATE.start_main_~i~4 174), 93064#(<= ULTIMATE.start_main_~i~4 172), 93067#(<= ULTIMATE.start_main_~i~4 178), 93066#(<= ULTIMATE.start_main_~i~4 176), 93069#(<= ULTIMATE.start_main_~i~4 182), 93068#(<= ULTIMATE.start_main_~i~4 180), 93071#(<= ULTIMATE.start_main_~i~4 186), 93070#(<= ULTIMATE.start_main_~i~4 184), 93073#(<= ULTIMATE.start_main_~i~4 190), 93072#(<= ULTIMATE.start_main_~i~4 188), 93075#(<= ULTIMATE.start_main_~i~4 194), 93074#(<= ULTIMATE.start_main_~i~4 192), 93077#(<= ULTIMATE.start_main_~i~4 198), 93076#(<= ULTIMATE.start_main_~i~4 196), 93079#(<= ULTIMATE.start_main_~i~4 202), 93078#(<= ULTIMATE.start_main_~i~4 200), 93081#(<= ULTIMATE.start_main_~i~4 206), 93080#(<= ULTIMATE.start_main_~i~4 204), 93083#(<= ULTIMATE.start_main_~i~4 210), 93082#(<= ULTIMATE.start_main_~i~4 208), 93085#(<= ULTIMATE.start_main_~i~4 214), 93084#(<= ULTIMATE.start_main_~i~4 212), 93087#(<= ULTIMATE.start_main_~i~4 218), 93086#(<= ULTIMATE.start_main_~i~4 216), 93089#(<= ULTIMATE.start_main_~i~4 222), 93088#(<= ULTIMATE.start_main_~i~4 220), 93091#(<= ULTIMATE.start_main_~i~4 226), 93090#(<= ULTIMATE.start_main_~i~4 224), 93093#(<= ULTIMATE.start_main_~i~4 230), 93092#(<= ULTIMATE.start_main_~i~4 228), 93095#(<= ULTIMATE.start_main_~i~4 234), 93094#(<= ULTIMATE.start_main_~i~4 232), 93097#(<= ULTIMATE.start_main_~i~4 238), 93096#(<= ULTIMATE.start_main_~i~4 236), 93099#(<= ULTIMATE.start_main_~i~4 242), 93098#(<= ULTIMATE.start_main_~i~4 240), 93101#(<= ULTIMATE.start_main_~i~4 246), 93100#(<= ULTIMATE.start_main_~i~4 244), 93103#(<= ULTIMATE.start_main_~i~4 250), 93102#(<= ULTIMATE.start_main_~i~4 248), 93105#(<= ULTIMATE.start_main_~i~4 254), 93104#(<= ULTIMATE.start_main_~i~4 252), 93107#(<= ULTIMATE.start_main_~i~4 258), 93106#(<= ULTIMATE.start_main_~i~4 256), 93109#(<= ULTIMATE.start_main_~i~4 262), 93108#(<= ULTIMATE.start_main_~i~4 260), 93111#(<= ULTIMATE.start_main_~i~4 266), 93110#(<= ULTIMATE.start_main_~i~4 264), 93113#(<= ULTIMATE.start_main_~i~4 270), 93112#(<= ULTIMATE.start_main_~i~4 268), 93115#(<= ULTIMATE.start_main_~i~4 274), 93114#(<= ULTIMATE.start_main_~i~4 272), 93117#(<= ULTIMATE.start_main_~i~4 278), 93116#(<= ULTIMATE.start_main_~i~4 276), 93119#(<= ULTIMATE.start_main_~i~4 282), 93118#(<= ULTIMATE.start_main_~i~4 280), 93121#(<= ULTIMATE.start_main_~i~4 286), 93120#(<= ULTIMATE.start_main_~i~4 284), 93123#(<= ULTIMATE.start_main_~i~4 290), 93122#(<= ULTIMATE.start_main_~i~4 288), 93125#(<= ULTIMATE.start_main_~i~4 294), 93124#(<= ULTIMATE.start_main_~i~4 292), 93127#(<= ULTIMATE.start_main_~i~4 298), 93126#(<= ULTIMATE.start_main_~i~4 296), 93129#(<= ULTIMATE.start_main_~i~4 302), 93128#(<= ULTIMATE.start_main_~i~4 300), 93131#(<= ULTIMATE.start_main_~i~4 306), 93130#(<= ULTIMATE.start_main_~i~4 304), 93133#(<= ULTIMATE.start_main_~i~4 310), 93132#(<= ULTIMATE.start_main_~i~4 308), 93135#(<= ULTIMATE.start_main_~i~4 314), 93134#(<= ULTIMATE.start_main_~i~4 312), 93137#(<= ULTIMATE.start_main_~i~4 318), 93136#(<= ULTIMATE.start_main_~i~4 316), 93139#(<= ULTIMATE.start_main_~i~4 322), 93138#(<= ULTIMATE.start_main_~i~4 320), 93141#(<= ULTIMATE.start_main_~i~4 326), 93140#(<= ULTIMATE.start_main_~i~4 324), 93143#(<= ULTIMATE.start_main_~i~4 330), 93142#(<= ULTIMATE.start_main_~i~4 328), 93145#(<= ULTIMATE.start_main_~i~4 334), 93144#(<= ULTIMATE.start_main_~i~4 332), 93147#(<= ULTIMATE.start_main_~i~4 338), 93146#(<= ULTIMATE.start_main_~i~4 336), 93149#(<= ULTIMATE.start_main_~i~4 342), 93148#(<= ULTIMATE.start_main_~i~4 340), 93151#(<= ULTIMATE.start_main_~i~4 346), 93150#(<= ULTIMATE.start_main_~i~4 344), 93153#(<= ULTIMATE.start_main_~i~4 350), 93152#(<= ULTIMATE.start_main_~i~4 348), 93155#(<= ULTIMATE.start_main_~i~4 354), 93154#(<= ULTIMATE.start_main_~i~4 352), 93157#(<= ULTIMATE.start_main_~i~4 358), 93156#(<= ULTIMATE.start_main_~i~4 356), 93159#(<= ULTIMATE.start_main_~i~4 362), 93158#(<= ULTIMATE.start_main_~i~4 360), 93161#(<= ULTIMATE.start_main_~i~4 366), 93160#(<= ULTIMATE.start_main_~i~4 364), 93163#(<= ULTIMATE.start_main_~i~4 370), 93162#(<= ULTIMATE.start_main_~i~4 368), 93165#(<= ULTIMATE.start_main_~i~4 374), 93164#(<= ULTIMATE.start_main_~i~4 372), 93166#(<= ULTIMATE.start_main_~i~4 376)] [2018-07-23 13:39:07,768 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 13:39:07,768 INFO L450 AbstractCegarLoop]: Interpolant automaton has 191 states [2018-07-23 13:39:07,771 INFO L132 InterpolantAutomaton]: Constructing interpolant automaton starting with 191 interpolants. [2018-07-23 13:39:07,772 INFO L133 InterpolantAutomaton]: CoverageRelationStatistics Valid=18145, Invalid=18145, Unknown=0, NotChecked=0, Total=36290 [2018-07-23 13:39:07,772 INFO L87 Difference]: Start difference. First operand 192 states and 192 transitions. Second operand 191 states. [2018-07-23 13:39:08,554 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2018-07-23 13:39:08,554 INFO L93 Difference]: Finished difference Result 195 states and 195 transitions. [2018-07-23 13:39:08,554 INFO L142 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 191 states. [2018-07-23 13:39:08,554 INFO L78 Accepts]: Start accepts. Automaton has 191 states. Word has length 191 [2018-07-23 13:39:08,554 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2018-07-23 13:39:08,555 INFO L225 Difference]: With dead ends: 195 [2018-07-23 13:39:08,555 INFO L226 Difference]: Without dead ends: 193 [2018-07-23 13:39:08,558 INFO L575 BasicCegarLoop]: 0 DeclaredPredicates, 190 GetRequests, 1 SyntacticMatches, 0 SemanticMatches, 189 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 0 ImplicationChecksByTransitivity, 0.6s TimeCoverageRelationStatistics Valid=18145, Invalid=18145, Unknown=0, NotChecked=0, Total=36290 [2018-07-23 13:39:08,558 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 193 states. [2018-07-23 13:39:08,561 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 193 to 193. [2018-07-23 13:39:08,561 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 193 states. [2018-07-23 13:39:08,561 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 193 states to 193 states and 193 transitions. [2018-07-23 13:39:08,562 INFO L78 Accepts]: Start accepts. Automaton has 193 states and 193 transitions. Word has length 191 [2018-07-23 13:39:08,562 INFO L84 Accepts]: Finished accepts. word is rejected. [2018-07-23 13:39:08,562 INFO L471 AbstractCegarLoop]: Abstraction has 193 states and 193 transitions. [2018-07-23 13:39:08,562 INFO L472 AbstractCegarLoop]: Interpolant automaton has 191 states. [2018-07-23 13:39:08,562 INFO L276 IsEmpty]: Start isEmpty. Operand 193 states and 193 transitions. [2018-07-23 13:39:08,563 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 193 [2018-07-23 13:39:08,563 INFO L349 BasicCegarLoop]: Found error trace [2018-07-23 13:39:08,563 INFO L357 BasicCegarLoop]: trace histogram [189, 1, 1, 1] [2018-07-23 13:39:08,563 INFO L414 AbstractCegarLoop]: === Iteration 190 === [ULTIMATE.startErr0AssertViolationASSERT]=== [2018-07-23 13:39:08,563 INFO L82 PathProgramCache]: Analyzing trace with hash -999702296, now seen corresponding path program 189 times [2018-07-23 13:39:08,563 INFO L69 tionRefinementEngine]: Using refinement strategy FixedRefinementStrategy [2018-07-23 13:39:08,770 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-07-23 13:39:09,560 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 13:39:09,560 INFO L309 seRefinementStrategy]: Constructing automaton from 0 perfect and 1 imperfect interpolant sequences. [2018-07-23 13:39:09,561 INFO L324 seRefinementStrategy]: Number of different interpolants: perfect sequences [] imperfect sequences [191] total 191 [2018-07-23 13:39:09,561 INFO L142 lantAutomatonBuilder]: Constructing canonical interpolant automaton, with selfloop in false state [2018-07-23 13:39:09,561 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2018-07-23 13:39:09,561 INFO L185 omatonBuilderFactory]: Interpolants [93953#(<= ULTIMATE.start_main_~i~4 16), 93952#(<= ULTIMATE.start_main_~i~4 14), 93955#(<= ULTIMATE.start_main_~i~4 20), 93954#(<= ULTIMATE.start_main_~i~4 18), 93957#(<= ULTIMATE.start_main_~i~4 24), 93956#(<= ULTIMATE.start_main_~i~4 22), 93959#(<= ULTIMATE.start_main_~i~4 28), 93958#(<= ULTIMATE.start_main_~i~4 26), 93961#(<= ULTIMATE.start_main_~i~4 32), 93960#(<= ULTIMATE.start_main_~i~4 30), 93963#(<= ULTIMATE.start_main_~i~4 36), 93962#(<= ULTIMATE.start_main_~i~4 34), 93965#(<= ULTIMATE.start_main_~i~4 40), 93964#(<= ULTIMATE.start_main_~i~4 38), 93967#(<= ULTIMATE.start_main_~i~4 44), 93966#(<= ULTIMATE.start_main_~i~4 42), 93969#(<= ULTIMATE.start_main_~i~4 48), 93968#(<= ULTIMATE.start_main_~i~4 46), 93971#(<= ULTIMATE.start_main_~i~4 52), 93970#(<= ULTIMATE.start_main_~i~4 50), 93973#(<= ULTIMATE.start_main_~i~4 56), 93972#(<= ULTIMATE.start_main_~i~4 54), 93975#(<= ULTIMATE.start_main_~i~4 60), 93974#(<= ULTIMATE.start_main_~i~4 58), 93977#(<= ULTIMATE.start_main_~i~4 64), 93976#(<= ULTIMATE.start_main_~i~4 62), 93979#(<= ULTIMATE.start_main_~i~4 68), 93978#(<= ULTIMATE.start_main_~i~4 66), 93981#(<= ULTIMATE.start_main_~i~4 72), 93980#(<= ULTIMATE.start_main_~i~4 70), 93983#(<= ULTIMATE.start_main_~i~4 76), 93982#(<= ULTIMATE.start_main_~i~4 74), 93985#(<= ULTIMATE.start_main_~i~4 80), 93984#(<= ULTIMATE.start_main_~i~4 78), 93987#(<= ULTIMATE.start_main_~i~4 84), 93986#(<= ULTIMATE.start_main_~i~4 82), 93989#(<= ULTIMATE.start_main_~i~4 88), 93988#(<= ULTIMATE.start_main_~i~4 86), 93991#(<= ULTIMATE.start_main_~i~4 92), 93990#(<= ULTIMATE.start_main_~i~4 90), 93993#(<= ULTIMATE.start_main_~i~4 96), 93992#(<= ULTIMATE.start_main_~i~4 94), 93995#(<= ULTIMATE.start_main_~i~4 100), 93994#(<= ULTIMATE.start_main_~i~4 98), 93997#(<= ULTIMATE.start_main_~i~4 104), 93996#(<= ULTIMATE.start_main_~i~4 102), 93999#(<= ULTIMATE.start_main_~i~4 108), 93998#(<= ULTIMATE.start_main_~i~4 106), 94001#(<= ULTIMATE.start_main_~i~4 112), 94000#(<= ULTIMATE.start_main_~i~4 110), 94003#(<= ULTIMATE.start_main_~i~4 116), 94002#(<= ULTIMATE.start_main_~i~4 114), 94005#(<= ULTIMATE.start_main_~i~4 120), 94004#(<= ULTIMATE.start_main_~i~4 118), 94007#(<= ULTIMATE.start_main_~i~4 124), 94006#(<= ULTIMATE.start_main_~i~4 122), 94009#(<= ULTIMATE.start_main_~i~4 128), 94008#(<= ULTIMATE.start_main_~i~4 126), 94011#(<= ULTIMATE.start_main_~i~4 132), 94010#(<= ULTIMATE.start_main_~i~4 130), 94013#(<= ULTIMATE.start_main_~i~4 136), 94012#(<= ULTIMATE.start_main_~i~4 134), 94015#(<= ULTIMATE.start_main_~i~4 140), 94014#(<= ULTIMATE.start_main_~i~4 138), 94017#(<= ULTIMATE.start_main_~i~4 144), 94016#(<= ULTIMATE.start_main_~i~4 142), 94019#(<= ULTIMATE.start_main_~i~4 148), 94018#(<= ULTIMATE.start_main_~i~4 146), 94021#(<= ULTIMATE.start_main_~i~4 152), 94020#(<= ULTIMATE.start_main_~i~4 150), 94023#(<= ULTIMATE.start_main_~i~4 156), 94022#(<= ULTIMATE.start_main_~i~4 154), 94025#(<= ULTIMATE.start_main_~i~4 160), 94024#(<= ULTIMATE.start_main_~i~4 158), 94027#(<= ULTIMATE.start_main_~i~4 164), 94026#(<= ULTIMATE.start_main_~i~4 162), 94029#(<= ULTIMATE.start_main_~i~4 168), 94028#(<= ULTIMATE.start_main_~i~4 166), 94031#(<= ULTIMATE.start_main_~i~4 172), 94030#(<= ULTIMATE.start_main_~i~4 170), 94033#(<= ULTIMATE.start_main_~i~4 176), 94032#(<= ULTIMATE.start_main_~i~4 174), 94035#(<= ULTIMATE.start_main_~i~4 180), 94034#(<= ULTIMATE.start_main_~i~4 178), 94037#(<= ULTIMATE.start_main_~i~4 184), 94036#(<= ULTIMATE.start_main_~i~4 182), 94039#(<= ULTIMATE.start_main_~i~4 188), 94038#(<= ULTIMATE.start_main_~i~4 186), 94041#(<= ULTIMATE.start_main_~i~4 192), 94040#(<= ULTIMATE.start_main_~i~4 190), 94043#(<= ULTIMATE.start_main_~i~4 196), 94042#(<= ULTIMATE.start_main_~i~4 194), 94045#(<= ULTIMATE.start_main_~i~4 200), 94044#(<= ULTIMATE.start_main_~i~4 198), 94047#(<= ULTIMATE.start_main_~i~4 204), 94046#(<= ULTIMATE.start_main_~i~4 202), 94049#(<= ULTIMATE.start_main_~i~4 208), 94048#(<= ULTIMATE.start_main_~i~4 206), 94051#(<= ULTIMATE.start_main_~i~4 212), 94050#(<= ULTIMATE.start_main_~i~4 210), 94053#(<= ULTIMATE.start_main_~i~4 216), 94052#(<= ULTIMATE.start_main_~i~4 214), 94055#(<= ULTIMATE.start_main_~i~4 220), 94054#(<= ULTIMATE.start_main_~i~4 218), 94057#(<= ULTIMATE.start_main_~i~4 224), 94056#(<= ULTIMATE.start_main_~i~4 222), 94059#(<= ULTIMATE.start_main_~i~4 228), 94058#(<= ULTIMATE.start_main_~i~4 226), 94061#(<= ULTIMATE.start_main_~i~4 232), 94060#(<= ULTIMATE.start_main_~i~4 230), 94063#(<= ULTIMATE.start_main_~i~4 236), 94062#(<= ULTIMATE.start_main_~i~4 234), 94065#(<= ULTIMATE.start_main_~i~4 240), 94064#(<= ULTIMATE.start_main_~i~4 238), 94067#(<= ULTIMATE.start_main_~i~4 244), 94066#(<= ULTIMATE.start_main_~i~4 242), 94069#(<= ULTIMATE.start_main_~i~4 248), 94068#(<= ULTIMATE.start_main_~i~4 246), 94071#(<= ULTIMATE.start_main_~i~4 252), 94070#(<= ULTIMATE.start_main_~i~4 250), 94073#(<= ULTIMATE.start_main_~i~4 256), 94072#(<= ULTIMATE.start_main_~i~4 254), 94075#(<= ULTIMATE.start_main_~i~4 260), 94074#(<= ULTIMATE.start_main_~i~4 258), 94077#(<= ULTIMATE.start_main_~i~4 264), 94076#(<= ULTIMATE.start_main_~i~4 262), 94079#(<= ULTIMATE.start_main_~i~4 268), 94078#(<= ULTIMATE.start_main_~i~4 266), 94081#(<= ULTIMATE.start_main_~i~4 272), 94080#(<= ULTIMATE.start_main_~i~4 270), 94083#(<= ULTIMATE.start_main_~i~4 276), 94082#(<= ULTIMATE.start_main_~i~4 274), 94085#(<= ULTIMATE.start_main_~i~4 280), 94084#(<= ULTIMATE.start_main_~i~4 278), 94087#(<= ULTIMATE.start_main_~i~4 284), 94086#(<= ULTIMATE.start_main_~i~4 282), 94089#(<= ULTIMATE.start_main_~i~4 288), 94088#(<= ULTIMATE.start_main_~i~4 286), 94091#(<= ULTIMATE.start_main_~i~4 292), 94090#(<= ULTIMATE.start_main_~i~4 290), 94093#(<= ULTIMATE.start_main_~i~4 296), 94092#(<= ULTIMATE.start_main_~i~4 294), 94095#(<= ULTIMATE.start_main_~i~4 300), 94094#(<= ULTIMATE.start_main_~i~4 298), 94097#(<= ULTIMATE.start_main_~i~4 304), 94096#(<= ULTIMATE.start_main_~i~4 302), 94099#(<= ULTIMATE.start_main_~i~4 308), 94098#(<= ULTIMATE.start_main_~i~4 306), 94101#(<= ULTIMATE.start_main_~i~4 312), 94100#(<= ULTIMATE.start_main_~i~4 310), 94103#(<= ULTIMATE.start_main_~i~4 316), 94102#(<= ULTIMATE.start_main_~i~4 314), 94105#(<= ULTIMATE.start_main_~i~4 320), 94104#(<= ULTIMATE.start_main_~i~4 318), 94107#(<= ULTIMATE.start_main_~i~4 324), 94106#(<= ULTIMATE.start_main_~i~4 322), 94109#(<= ULTIMATE.start_main_~i~4 328), 94108#(<= ULTIMATE.start_main_~i~4 326), 94111#(<= ULTIMATE.start_main_~i~4 332), 94110#(<= ULTIMATE.start_main_~i~4 330), 94113#(<= ULTIMATE.start_main_~i~4 336), 94112#(<= ULTIMATE.start_main_~i~4 334), 94115#(<= ULTIMATE.start_main_~i~4 340), 94114#(<= ULTIMATE.start_main_~i~4 338), 94117#(<= ULTIMATE.start_main_~i~4 344), 94116#(<= ULTIMATE.start_main_~i~4 342), 94119#(<= ULTIMATE.start_main_~i~4 348), 94118#(<= ULTIMATE.start_main_~i~4 346), 94121#(<= ULTIMATE.start_main_~i~4 352), 94120#(<= ULTIMATE.start_main_~i~4 350), 94123#(<= ULTIMATE.start_main_~i~4 356), 94122#(<= ULTIMATE.start_main_~i~4 354), 94125#(<= ULTIMATE.start_main_~i~4 360), 94124#(<= ULTIMATE.start_main_~i~4 358), 94127#(<= ULTIMATE.start_main_~i~4 364), 94126#(<= ULTIMATE.start_main_~i~4 362), 94129#(<= ULTIMATE.start_main_~i~4 368), 94128#(<= ULTIMATE.start_main_~i~4 366), 94131#(<= ULTIMATE.start_main_~i~4 372), 94130#(<= ULTIMATE.start_main_~i~4 370), 94133#(<= ULTIMATE.start_main_~i~4 376), 94132#(<= ULTIMATE.start_main_~i~4 374), 94134#(<= ULTIMATE.start_main_~i~4 378), 93943#true, 93945#(<= ULTIMATE.start_main_~i~4 0), 93944#false, 93947#(<= ULTIMATE.start_main_~i~4 4), 93946#(<= ULTIMATE.start_main_~i~4 2), 93949#(<= ULTIMATE.start_main_~i~4 8), 93948#(<= ULTIMATE.start_main_~i~4 6), 93951#(<= ULTIMATE.start_main_~i~4 12), 93950#(<= ULTIMATE.start_main_~i~4 10)] [2018-07-23 13:39:09,562 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 13:39:09,562 INFO L450 AbstractCegarLoop]: Interpolant automaton has 192 states [2018-07-23 13:39:09,564 INFO L132 InterpolantAutomaton]: Constructing interpolant automaton starting with 192 interpolants. [2018-07-23 13:39:09,566 INFO L133 InterpolantAutomaton]: CoverageRelationStatistics Valid=18336, Invalid=18336, Unknown=0, NotChecked=0, Total=36672 [2018-07-23 13:39:09,566 INFO L87 Difference]: Start difference. First operand 193 states and 193 transitions. Second operand 192 states. [2018-07-23 13:39:10,436 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2018-07-23 13:39:10,436 INFO L93 Difference]: Finished difference Result 196 states and 196 transitions. [2018-07-23 13:39:10,436 INFO L142 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 192 states. [2018-07-23 13:39:10,436 INFO L78 Accepts]: Start accepts. Automaton has 192 states. Word has length 192 [2018-07-23 13:39:10,436 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2018-07-23 13:39:10,437 INFO L225 Difference]: With dead ends: 196 [2018-07-23 13:39:10,437 INFO L226 Difference]: Without dead ends: 194 [2018-07-23 13:39:10,438 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 13:39:10,438 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 194 states. [2018-07-23 13:39:10,441 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 194 to 194. [2018-07-23 13:39:10,441 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 194 states. [2018-07-23 13:39:10,441 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 194 states to 194 states and 194 transitions. [2018-07-23 13:39:10,442 INFO L78 Accepts]: Start accepts. Automaton has 194 states and 194 transitions. Word has length 192 [2018-07-23 13:39:10,442 INFO L84 Accepts]: Finished accepts. word is rejected. [2018-07-23 13:39:10,442 INFO L471 AbstractCegarLoop]: Abstraction has 194 states and 194 transitions. [2018-07-23 13:39:10,442 INFO L472 AbstractCegarLoop]: Interpolant automaton has 192 states. [2018-07-23 13:39:10,442 INFO L276 IsEmpty]: Start isEmpty. Operand 194 states and 194 transitions. [2018-07-23 13:39:10,443 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 194 [2018-07-23 13:39:10,443 INFO L349 BasicCegarLoop]: Found error trace [2018-07-23 13:39:10,443 INFO L357 BasicCegarLoop]: trace histogram [190, 1, 1, 1] [2018-07-23 13:39:10,443 INFO L414 AbstractCegarLoop]: === Iteration 191 === [ULTIMATE.startErr0AssertViolationASSERT]=== [2018-07-23 13:39:10,443 INFO L82 PathProgramCache]: Analyzing trace with hash -926002079, now seen corresponding path program 190 times [2018-07-23 13:39:10,443 INFO L69 tionRefinementEngine]: Using refinement strategy FixedRefinementStrategy [2018-07-23 13:39:10,612 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-07-23 13:39:11,381 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 13:39:11,382 INFO L309 seRefinementStrategy]: Constructing automaton from 0 perfect and 1 imperfect interpolant sequences. [2018-07-23 13:39:11,382 INFO L324 seRefinementStrategy]: Number of different interpolants: perfect sequences [] imperfect sequences [192] total 192 [2018-07-23 13:39:11,382 INFO L142 lantAutomatonBuilder]: Constructing canonical interpolant automaton, with selfloop in false state [2018-07-23 13:39:11,382 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2018-07-23 13:39:11,383 INFO L185 omatonBuilderFactory]: Interpolants [94915#true, 94917#(<= ULTIMATE.start_main_~i~4 0), 94916#false, 94919#(<= ULTIMATE.start_main_~i~4 4), 94918#(<= ULTIMATE.start_main_~i~4 2), 94921#(<= ULTIMATE.start_main_~i~4 8), 94920#(<= ULTIMATE.start_main_~i~4 6), 94923#(<= ULTIMATE.start_main_~i~4 12), 94922#(<= ULTIMATE.start_main_~i~4 10), 94925#(<= ULTIMATE.start_main_~i~4 16), 94924#(<= ULTIMATE.start_main_~i~4 14), 94927#(<= ULTIMATE.start_main_~i~4 20), 94926#(<= ULTIMATE.start_main_~i~4 18), 94929#(<= ULTIMATE.start_main_~i~4 24), 94928#(<= ULTIMATE.start_main_~i~4 22), 94931#(<= ULTIMATE.start_main_~i~4 28), 94930#(<= ULTIMATE.start_main_~i~4 26), 94933#(<= ULTIMATE.start_main_~i~4 32), 94932#(<= ULTIMATE.start_main_~i~4 30), 94935#(<= ULTIMATE.start_main_~i~4 36), 94934#(<= ULTIMATE.start_main_~i~4 34), 94937#(<= ULTIMATE.start_main_~i~4 40), 94936#(<= ULTIMATE.start_main_~i~4 38), 94939#(<= ULTIMATE.start_main_~i~4 44), 94938#(<= ULTIMATE.start_main_~i~4 42), 94941#(<= ULTIMATE.start_main_~i~4 48), 94940#(<= ULTIMATE.start_main_~i~4 46), 94943#(<= ULTIMATE.start_main_~i~4 52), 94942#(<= ULTIMATE.start_main_~i~4 50), 94945#(<= ULTIMATE.start_main_~i~4 56), 94944#(<= ULTIMATE.start_main_~i~4 54), 94947#(<= ULTIMATE.start_main_~i~4 60), 94946#(<= ULTIMATE.start_main_~i~4 58), 94949#(<= ULTIMATE.start_main_~i~4 64), 94948#(<= ULTIMATE.start_main_~i~4 62), 94951#(<= ULTIMATE.start_main_~i~4 68), 94950#(<= ULTIMATE.start_main_~i~4 66), 94953#(<= ULTIMATE.start_main_~i~4 72), 94952#(<= ULTIMATE.start_main_~i~4 70), 94955#(<= ULTIMATE.start_main_~i~4 76), 94954#(<= ULTIMATE.start_main_~i~4 74), 94957#(<= ULTIMATE.start_main_~i~4 80), 94956#(<= ULTIMATE.start_main_~i~4 78), 94959#(<= ULTIMATE.start_main_~i~4 84), 94958#(<= ULTIMATE.start_main_~i~4 82), 94961#(<= ULTIMATE.start_main_~i~4 88), 94960#(<= ULTIMATE.start_main_~i~4 86), 94963#(<= ULTIMATE.start_main_~i~4 92), 94962#(<= ULTIMATE.start_main_~i~4 90), 94965#(<= ULTIMATE.start_main_~i~4 96), 94964#(<= ULTIMATE.start_main_~i~4 94), 94967#(<= ULTIMATE.start_main_~i~4 100), 94966#(<= ULTIMATE.start_main_~i~4 98), 94969#(<= ULTIMATE.start_main_~i~4 104), 94968#(<= ULTIMATE.start_main_~i~4 102), 94971#(<= ULTIMATE.start_main_~i~4 108), 94970#(<= ULTIMATE.start_main_~i~4 106), 94973#(<= ULTIMATE.start_main_~i~4 112), 94972#(<= ULTIMATE.start_main_~i~4 110), 94975#(<= ULTIMATE.start_main_~i~4 116), 94974#(<= ULTIMATE.start_main_~i~4 114), 94977#(<= ULTIMATE.start_main_~i~4 120), 94976#(<= ULTIMATE.start_main_~i~4 118), 94979#(<= ULTIMATE.start_main_~i~4 124), 94978#(<= ULTIMATE.start_main_~i~4 122), 94981#(<= ULTIMATE.start_main_~i~4 128), 94980#(<= ULTIMATE.start_main_~i~4 126), 94983#(<= ULTIMATE.start_main_~i~4 132), 94982#(<= ULTIMATE.start_main_~i~4 130), 94985#(<= ULTIMATE.start_main_~i~4 136), 94984#(<= ULTIMATE.start_main_~i~4 134), 94987#(<= ULTIMATE.start_main_~i~4 140), 94986#(<= ULTIMATE.start_main_~i~4 138), 94989#(<= ULTIMATE.start_main_~i~4 144), 94988#(<= ULTIMATE.start_main_~i~4 142), 94991#(<= ULTIMATE.start_main_~i~4 148), 94990#(<= ULTIMATE.start_main_~i~4 146), 94993#(<= ULTIMATE.start_main_~i~4 152), 94992#(<= ULTIMATE.start_main_~i~4 150), 94995#(<= ULTIMATE.start_main_~i~4 156), 94994#(<= ULTIMATE.start_main_~i~4 154), 94997#(<= ULTIMATE.start_main_~i~4 160), 94996#(<= ULTIMATE.start_main_~i~4 158), 94999#(<= ULTIMATE.start_main_~i~4 164), 94998#(<= ULTIMATE.start_main_~i~4 162), 95001#(<= ULTIMATE.start_main_~i~4 168), 95000#(<= ULTIMATE.start_main_~i~4 166), 95003#(<= ULTIMATE.start_main_~i~4 172), 95002#(<= ULTIMATE.start_main_~i~4 170), 95005#(<= ULTIMATE.start_main_~i~4 176), 95004#(<= ULTIMATE.start_main_~i~4 174), 95007#(<= ULTIMATE.start_main_~i~4 180), 95006#(<= ULTIMATE.start_main_~i~4 178), 95009#(<= ULTIMATE.start_main_~i~4 184), 95008#(<= ULTIMATE.start_main_~i~4 182), 95011#(<= ULTIMATE.start_main_~i~4 188), 95010#(<= ULTIMATE.start_main_~i~4 186), 95013#(<= ULTIMATE.start_main_~i~4 192), 95012#(<= ULTIMATE.start_main_~i~4 190), 95015#(<= ULTIMATE.start_main_~i~4 196), 95014#(<= ULTIMATE.start_main_~i~4 194), 95017#(<= ULTIMATE.start_main_~i~4 200), 95016#(<= ULTIMATE.start_main_~i~4 198), 95019#(<= ULTIMATE.start_main_~i~4 204), 95018#(<= ULTIMATE.start_main_~i~4 202), 95021#(<= ULTIMATE.start_main_~i~4 208), 95020#(<= ULTIMATE.start_main_~i~4 206), 95023#(<= ULTIMATE.start_main_~i~4 212), 95022#(<= ULTIMATE.start_main_~i~4 210), 95025#(<= ULTIMATE.start_main_~i~4 216), 95024#(<= ULTIMATE.start_main_~i~4 214), 95027#(<= ULTIMATE.start_main_~i~4 220), 95026#(<= ULTIMATE.start_main_~i~4 218), 95029#(<= ULTIMATE.start_main_~i~4 224), 95028#(<= ULTIMATE.start_main_~i~4 222), 95031#(<= ULTIMATE.start_main_~i~4 228), 95030#(<= ULTIMATE.start_main_~i~4 226), 95033#(<= ULTIMATE.start_main_~i~4 232), 95032#(<= ULTIMATE.start_main_~i~4 230), 95035#(<= ULTIMATE.start_main_~i~4 236), 95034#(<= ULTIMATE.start_main_~i~4 234), 95037#(<= ULTIMATE.start_main_~i~4 240), 95036#(<= ULTIMATE.start_main_~i~4 238), 95039#(<= ULTIMATE.start_main_~i~4 244), 95038#(<= ULTIMATE.start_main_~i~4 242), 95041#(<= ULTIMATE.start_main_~i~4 248), 95040#(<= ULTIMATE.start_main_~i~4 246), 95043#(<= ULTIMATE.start_main_~i~4 252), 95042#(<= ULTIMATE.start_main_~i~4 250), 95045#(<= ULTIMATE.start_main_~i~4 256), 95044#(<= ULTIMATE.start_main_~i~4 254), 95047#(<= ULTIMATE.start_main_~i~4 260), 95046#(<= ULTIMATE.start_main_~i~4 258), 95049#(<= ULTIMATE.start_main_~i~4 264), 95048#(<= ULTIMATE.start_main_~i~4 262), 95051#(<= ULTIMATE.start_main_~i~4 268), 95050#(<= ULTIMATE.start_main_~i~4 266), 95053#(<= ULTIMATE.start_main_~i~4 272), 95052#(<= ULTIMATE.start_main_~i~4 270), 95055#(<= ULTIMATE.start_main_~i~4 276), 95054#(<= ULTIMATE.start_main_~i~4 274), 95057#(<= ULTIMATE.start_main_~i~4 280), 95056#(<= ULTIMATE.start_main_~i~4 278), 95059#(<= ULTIMATE.start_main_~i~4 284), 95058#(<= ULTIMATE.start_main_~i~4 282), 95061#(<= ULTIMATE.start_main_~i~4 288), 95060#(<= ULTIMATE.start_main_~i~4 286), 95063#(<= ULTIMATE.start_main_~i~4 292), 95062#(<= ULTIMATE.start_main_~i~4 290), 95065#(<= ULTIMATE.start_main_~i~4 296), 95064#(<= ULTIMATE.start_main_~i~4 294), 95067#(<= ULTIMATE.start_main_~i~4 300), 95066#(<= ULTIMATE.start_main_~i~4 298), 95069#(<= ULTIMATE.start_main_~i~4 304), 95068#(<= ULTIMATE.start_main_~i~4 302), 95071#(<= ULTIMATE.start_main_~i~4 308), 95070#(<= ULTIMATE.start_main_~i~4 306), 95073#(<= ULTIMATE.start_main_~i~4 312), 95072#(<= ULTIMATE.start_main_~i~4 310), 95075#(<= ULTIMATE.start_main_~i~4 316), 95074#(<= ULTIMATE.start_main_~i~4 314), 95077#(<= ULTIMATE.start_main_~i~4 320), 95076#(<= ULTIMATE.start_main_~i~4 318), 95079#(<= ULTIMATE.start_main_~i~4 324), 95078#(<= ULTIMATE.start_main_~i~4 322), 95081#(<= ULTIMATE.start_main_~i~4 328), 95080#(<= ULTIMATE.start_main_~i~4 326), 95083#(<= ULTIMATE.start_main_~i~4 332), 95082#(<= ULTIMATE.start_main_~i~4 330), 95085#(<= ULTIMATE.start_main_~i~4 336), 95084#(<= ULTIMATE.start_main_~i~4 334), 95087#(<= ULTIMATE.start_main_~i~4 340), 95086#(<= ULTIMATE.start_main_~i~4 338), 95089#(<= ULTIMATE.start_main_~i~4 344), 95088#(<= ULTIMATE.start_main_~i~4 342), 95091#(<= ULTIMATE.start_main_~i~4 348), 95090#(<= ULTIMATE.start_main_~i~4 346), 95093#(<= ULTIMATE.start_main_~i~4 352), 95092#(<= ULTIMATE.start_main_~i~4 350), 95095#(<= ULTIMATE.start_main_~i~4 356), 95094#(<= ULTIMATE.start_main_~i~4 354), 95097#(<= ULTIMATE.start_main_~i~4 360), 95096#(<= ULTIMATE.start_main_~i~4 358), 95099#(<= ULTIMATE.start_main_~i~4 364), 95098#(<= ULTIMATE.start_main_~i~4 362), 95101#(<= ULTIMATE.start_main_~i~4 368), 95100#(<= ULTIMATE.start_main_~i~4 366), 95103#(<= ULTIMATE.start_main_~i~4 372), 95102#(<= ULTIMATE.start_main_~i~4 370), 95105#(<= ULTIMATE.start_main_~i~4 376), 95104#(<= ULTIMATE.start_main_~i~4 374), 95107#(<= ULTIMATE.start_main_~i~4 380), 95106#(<= ULTIMATE.start_main_~i~4 378)] [2018-07-23 13:39:11,384 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 13:39:11,384 INFO L450 AbstractCegarLoop]: Interpolant automaton has 193 states [2018-07-23 13:39:11,387 INFO L132 InterpolantAutomaton]: Constructing interpolant automaton starting with 193 interpolants. [2018-07-23 13:39:11,388 INFO L133 InterpolantAutomaton]: CoverageRelationStatistics Valid=18528, Invalid=18528, Unknown=0, NotChecked=0, Total=37056 [2018-07-23 13:39:11,389 INFO L87 Difference]: Start difference. First operand 194 states and 194 transitions. Second operand 193 states. [2018-07-23 13:39:11,851 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2018-07-23 13:39:11,852 INFO L93 Difference]: Finished difference Result 197 states and 197 transitions. [2018-07-23 13:39:11,852 INFO L142 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 193 states. [2018-07-23 13:39:11,852 INFO L78 Accepts]: Start accepts. Automaton has 193 states. Word has length 193 [2018-07-23 13:39:11,852 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2018-07-23 13:39:11,852 INFO L225 Difference]: With dead ends: 197 [2018-07-23 13:39:11,852 INFO L226 Difference]: Without dead ends: 195 [2018-07-23 13:39:11,854 INFO L575 BasicCegarLoop]: 0 DeclaredPredicates, 192 GetRequests, 1 SyntacticMatches, 0 SemanticMatches, 191 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 0 ImplicationChecksByTransitivity, 0.7s TimeCoverageRelationStatistics Valid=18528, Invalid=18528, Unknown=0, NotChecked=0, Total=37056 [2018-07-23 13:39:11,854 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 195 states. [2018-07-23 13:39:11,856 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 195 to 195. [2018-07-23 13:39:11,856 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 195 states. [2018-07-23 13:39:11,856 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 195 states to 195 states and 195 transitions. [2018-07-23 13:39:11,856 INFO L78 Accepts]: Start accepts. Automaton has 195 states and 195 transitions. Word has length 193 [2018-07-23 13:39:11,856 INFO L84 Accepts]: Finished accepts. word is rejected. [2018-07-23 13:39:11,856 INFO L471 AbstractCegarLoop]: Abstraction has 195 states and 195 transitions. [2018-07-23 13:39:11,856 INFO L472 AbstractCegarLoop]: Interpolant automaton has 193 states. [2018-07-23 13:39:11,856 INFO L276 IsEmpty]: Start isEmpty. Operand 195 states and 195 transitions. [2018-07-23 13:39:11,857 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 195 [2018-07-23 13:39:11,857 INFO L349 BasicCegarLoop]: Found error trace [2018-07-23 13:39:11,857 INFO L357 BasicCegarLoop]: trace histogram [191, 1, 1, 1] [2018-07-23 13:39:11,857 INFO L414 AbstractCegarLoop]: === Iteration 192 === [ULTIMATE.startErr0AssertViolationASSERT]=== [2018-07-23 13:39:11,857 INFO L82 PathProgramCache]: Analyzing trace with hash 1358704648, now seen corresponding path program 191 times [2018-07-23 13:39:11,857 INFO L69 tionRefinementEngine]: Using refinement strategy FixedRefinementStrategy [2018-07-23 13:39:12,006 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-07-23 13:39:12,810 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 13:39:12,810 INFO L309 seRefinementStrategy]: Constructing automaton from 0 perfect and 1 imperfect interpolant sequences. [2018-07-23 13:39:12,810 INFO L324 seRefinementStrategy]: Number of different interpolants: perfect sequences [] imperfect sequences [193] total 193 [2018-07-23 13:39:12,810 INFO L142 lantAutomatonBuilder]: Constructing canonical interpolant automaton, with selfloop in false state [2018-07-23 13:39:12,811 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 13:39:12,811 INFO L185 omatonBuilderFactory]: Interpolants [95893#false, 95892#true, 95895#(<= ULTIMATE.start_main_~i~4 2), 95894#(<= ULTIMATE.start_main_~i~4 0), 95897#(<= ULTIMATE.start_main_~i~4 6), 95896#(<= ULTIMATE.start_main_~i~4 4), 95899#(<= ULTIMATE.start_main_~i~4 10), 95898#(<= ULTIMATE.start_main_~i~4 8), 95901#(<= ULTIMATE.start_main_~i~4 14), 95900#(<= ULTIMATE.start_main_~i~4 12), 95903#(<= ULTIMATE.start_main_~i~4 18), 95902#(<= ULTIMATE.start_main_~i~4 16), 95905#(<= ULTIMATE.start_main_~i~4 22), 95904#(<= ULTIMATE.start_main_~i~4 20), 95907#(<= ULTIMATE.start_main_~i~4 26), 95906#(<= ULTIMATE.start_main_~i~4 24), 95909#(<= ULTIMATE.start_main_~i~4 30), 95908#(<= ULTIMATE.start_main_~i~4 28), 95911#(<= ULTIMATE.start_main_~i~4 34), 95910#(<= ULTIMATE.start_main_~i~4 32), 95913#(<= ULTIMATE.start_main_~i~4 38), 95912#(<= ULTIMATE.start_main_~i~4 36), 95915#(<= ULTIMATE.start_main_~i~4 42), 95914#(<= ULTIMATE.start_main_~i~4 40), 95917#(<= ULTIMATE.start_main_~i~4 46), 95916#(<= ULTIMATE.start_main_~i~4 44), 95919#(<= ULTIMATE.start_main_~i~4 50), 95918#(<= ULTIMATE.start_main_~i~4 48), 95921#(<= ULTIMATE.start_main_~i~4 54), 95920#(<= ULTIMATE.start_main_~i~4 52), 95923#(<= ULTIMATE.start_main_~i~4 58), 95922#(<= ULTIMATE.start_main_~i~4 56), 95925#(<= ULTIMATE.start_main_~i~4 62), 95924#(<= ULTIMATE.start_main_~i~4 60), 95927#(<= ULTIMATE.start_main_~i~4 66), 95926#(<= ULTIMATE.start_main_~i~4 64), 95929#(<= ULTIMATE.start_main_~i~4 70), 95928#(<= ULTIMATE.start_main_~i~4 68), 95931#(<= ULTIMATE.start_main_~i~4 74), 95930#(<= ULTIMATE.start_main_~i~4 72), 95933#(<= ULTIMATE.start_main_~i~4 78), 95932#(<= ULTIMATE.start_main_~i~4 76), 95935#(<= ULTIMATE.start_main_~i~4 82), 95934#(<= ULTIMATE.start_main_~i~4 80), 95937#(<= ULTIMATE.start_main_~i~4 86), 95936#(<= ULTIMATE.start_main_~i~4 84), 95939#(<= ULTIMATE.start_main_~i~4 90), 95938#(<= ULTIMATE.start_main_~i~4 88), 95941#(<= ULTIMATE.start_main_~i~4 94), 95940#(<= ULTIMATE.start_main_~i~4 92), 95943#(<= ULTIMATE.start_main_~i~4 98), 95942#(<= ULTIMATE.start_main_~i~4 96), 95945#(<= ULTIMATE.start_main_~i~4 102), 95944#(<= ULTIMATE.start_main_~i~4 100), 95947#(<= ULTIMATE.start_main_~i~4 106), 95946#(<= ULTIMATE.start_main_~i~4 104), 95949#(<= ULTIMATE.start_main_~i~4 110), 95948#(<= ULTIMATE.start_main_~i~4 108), 95951#(<= ULTIMATE.start_main_~i~4 114), 95950#(<= ULTIMATE.start_main_~i~4 112), 95953#(<= ULTIMATE.start_main_~i~4 118), 95952#(<= ULTIMATE.start_main_~i~4 116), 95955#(<= ULTIMATE.start_main_~i~4 122), 95954#(<= ULTIMATE.start_main_~i~4 120), 95957#(<= ULTIMATE.start_main_~i~4 126), 95956#(<= ULTIMATE.start_main_~i~4 124), 95959#(<= ULTIMATE.start_main_~i~4 130), 95958#(<= ULTIMATE.start_main_~i~4 128), 95961#(<= ULTIMATE.start_main_~i~4 134), 95960#(<= ULTIMATE.start_main_~i~4 132), 95963#(<= ULTIMATE.start_main_~i~4 138), 95962#(<= ULTIMATE.start_main_~i~4 136), 95965#(<= ULTIMATE.start_main_~i~4 142), 95964#(<= ULTIMATE.start_main_~i~4 140), 95967#(<= ULTIMATE.start_main_~i~4 146), 95966#(<= ULTIMATE.start_main_~i~4 144), 95969#(<= ULTIMATE.start_main_~i~4 150), 95968#(<= ULTIMATE.start_main_~i~4 148), 95971#(<= ULTIMATE.start_main_~i~4 154), 95970#(<= ULTIMATE.start_main_~i~4 152), 95973#(<= ULTIMATE.start_main_~i~4 158), 95972#(<= ULTIMATE.start_main_~i~4 156), 95975#(<= ULTIMATE.start_main_~i~4 162), 95974#(<= ULTIMATE.start_main_~i~4 160), 95977#(<= ULTIMATE.start_main_~i~4 166), 95976#(<= ULTIMATE.start_main_~i~4 164), 95979#(<= ULTIMATE.start_main_~i~4 170), 95978#(<= ULTIMATE.start_main_~i~4 168), 95981#(<= ULTIMATE.start_main_~i~4 174), 95980#(<= ULTIMATE.start_main_~i~4 172), 95983#(<= ULTIMATE.start_main_~i~4 178), 95982#(<= ULTIMATE.start_main_~i~4 176), 95985#(<= ULTIMATE.start_main_~i~4 182), 95984#(<= ULTIMATE.start_main_~i~4 180), 95987#(<= ULTIMATE.start_main_~i~4 186), 95986#(<= ULTIMATE.start_main_~i~4 184), 95989#(<= ULTIMATE.start_main_~i~4 190), 95988#(<= ULTIMATE.start_main_~i~4 188), 95991#(<= ULTIMATE.start_main_~i~4 194), 95990#(<= ULTIMATE.start_main_~i~4 192), 95993#(<= ULTIMATE.start_main_~i~4 198), 95992#(<= ULTIMATE.start_main_~i~4 196), 95995#(<= ULTIMATE.start_main_~i~4 202), 95994#(<= ULTIMATE.start_main_~i~4 200), 95997#(<= ULTIMATE.start_main_~i~4 206), 95996#(<= ULTIMATE.start_main_~i~4 204), 95999#(<= ULTIMATE.start_main_~i~4 210), 95998#(<= ULTIMATE.start_main_~i~4 208), 96001#(<= ULTIMATE.start_main_~i~4 214), 96000#(<= ULTIMATE.start_main_~i~4 212), 96003#(<= ULTIMATE.start_main_~i~4 218), 96002#(<= ULTIMATE.start_main_~i~4 216), 96005#(<= ULTIMATE.start_main_~i~4 222), 96004#(<= ULTIMATE.start_main_~i~4 220), 96007#(<= ULTIMATE.start_main_~i~4 226), 96006#(<= ULTIMATE.start_main_~i~4 224), 96009#(<= ULTIMATE.start_main_~i~4 230), 96008#(<= ULTIMATE.start_main_~i~4 228), 96011#(<= ULTIMATE.start_main_~i~4 234), 96010#(<= ULTIMATE.start_main_~i~4 232), 96013#(<= ULTIMATE.start_main_~i~4 238), 96012#(<= ULTIMATE.start_main_~i~4 236), 96015#(<= ULTIMATE.start_main_~i~4 242), 96014#(<= ULTIMATE.start_main_~i~4 240), 96017#(<= ULTIMATE.start_main_~i~4 246), 96016#(<= ULTIMATE.start_main_~i~4 244), 96019#(<= ULTIMATE.start_main_~i~4 250), 96018#(<= ULTIMATE.start_main_~i~4 248), 96021#(<= ULTIMATE.start_main_~i~4 254), 96020#(<= ULTIMATE.start_main_~i~4 252), 96023#(<= ULTIMATE.start_main_~i~4 258), 96022#(<= ULTIMATE.start_main_~i~4 256), 96025#(<= ULTIMATE.start_main_~i~4 262), 96024#(<= ULTIMATE.start_main_~i~4 260), 96027#(<= ULTIMATE.start_main_~i~4 266), 96026#(<= ULTIMATE.start_main_~i~4 264), 96029#(<= ULTIMATE.start_main_~i~4 270), 96028#(<= ULTIMATE.start_main_~i~4 268), 96031#(<= ULTIMATE.start_main_~i~4 274), 96030#(<= ULTIMATE.start_main_~i~4 272), 96033#(<= ULTIMATE.start_main_~i~4 278), 96032#(<= ULTIMATE.start_main_~i~4 276), 96035#(<= ULTIMATE.start_main_~i~4 282), 96034#(<= ULTIMATE.start_main_~i~4 280), 96037#(<= ULTIMATE.start_main_~i~4 286), 96036#(<= ULTIMATE.start_main_~i~4 284), 96039#(<= ULTIMATE.start_main_~i~4 290), 96038#(<= ULTIMATE.start_main_~i~4 288), 96041#(<= ULTIMATE.start_main_~i~4 294), 96040#(<= ULTIMATE.start_main_~i~4 292), 96043#(<= ULTIMATE.start_main_~i~4 298), 96042#(<= ULTIMATE.start_main_~i~4 296), 96045#(<= ULTIMATE.start_main_~i~4 302), 96044#(<= ULTIMATE.start_main_~i~4 300), 96047#(<= ULTIMATE.start_main_~i~4 306), 96046#(<= ULTIMATE.start_main_~i~4 304), 96049#(<= ULTIMATE.start_main_~i~4 310), 96048#(<= ULTIMATE.start_main_~i~4 308), 96051#(<= ULTIMATE.start_main_~i~4 314), 96050#(<= ULTIMATE.start_main_~i~4 312), 96053#(<= ULTIMATE.start_main_~i~4 318), 96052#(<= ULTIMATE.start_main_~i~4 316), 96055#(<= ULTIMATE.start_main_~i~4 322), 96054#(<= ULTIMATE.start_main_~i~4 320), 96057#(<= ULTIMATE.start_main_~i~4 326), 96056#(<= ULTIMATE.start_main_~i~4 324), 96059#(<= ULTIMATE.start_main_~i~4 330), 96058#(<= ULTIMATE.start_main_~i~4 328), 96061#(<= ULTIMATE.start_main_~i~4 334), 96060#(<= ULTIMATE.start_main_~i~4 332), 96063#(<= ULTIMATE.start_main_~i~4 338), 96062#(<= ULTIMATE.start_main_~i~4 336), 96065#(<= ULTIMATE.start_main_~i~4 342), 96064#(<= ULTIMATE.start_main_~i~4 340), 96067#(<= ULTIMATE.start_main_~i~4 346), 96066#(<= ULTIMATE.start_main_~i~4 344), 96069#(<= ULTIMATE.start_main_~i~4 350), 96068#(<= ULTIMATE.start_main_~i~4 348), 96071#(<= ULTIMATE.start_main_~i~4 354), 96070#(<= ULTIMATE.start_main_~i~4 352), 96073#(<= ULTIMATE.start_main_~i~4 358), 96072#(<= ULTIMATE.start_main_~i~4 356), 96075#(<= ULTIMATE.start_main_~i~4 362), 96074#(<= ULTIMATE.start_main_~i~4 360), 96077#(<= ULTIMATE.start_main_~i~4 366), 96076#(<= ULTIMATE.start_main_~i~4 364), 96079#(<= ULTIMATE.start_main_~i~4 370), 96078#(<= ULTIMATE.start_main_~i~4 368), 96081#(<= ULTIMATE.start_main_~i~4 374), 96080#(<= ULTIMATE.start_main_~i~4 372), 96083#(<= ULTIMATE.start_main_~i~4 378), 96082#(<= ULTIMATE.start_main_~i~4 376), 96085#(<= ULTIMATE.start_main_~i~4 382), 96084#(<= ULTIMATE.start_main_~i~4 380)] [2018-07-23 13:39:12,812 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 13:39:12,813 INFO L450 AbstractCegarLoop]: Interpolant automaton has 194 states [2018-07-23 13:39:12,815 INFO L132 InterpolantAutomaton]: Constructing interpolant automaton starting with 194 interpolants. [2018-07-23 13:39:12,817 INFO L133 InterpolantAutomaton]: CoverageRelationStatistics Valid=18721, Invalid=18721, Unknown=0, NotChecked=0, Total=37442 [2018-07-23 13:39:12,817 INFO L87 Difference]: Start difference. First operand 195 states and 195 transitions. Second operand 194 states. [2018-07-23 13:39:13,065 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2018-07-23 13:39:13,066 INFO L93 Difference]: Finished difference Result 198 states and 198 transitions. [2018-07-23 13:39:13,066 INFO L142 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 194 states. [2018-07-23 13:39:13,066 INFO L78 Accepts]: Start accepts. Automaton has 194 states. Word has length 194 [2018-07-23 13:39:13,066 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2018-07-23 13:39:13,066 INFO L225 Difference]: With dead ends: 198 [2018-07-23 13:39:13,066 INFO L226 Difference]: Without dead ends: 196 [2018-07-23 13:39:13,069 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 13:39:13,069 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 196 states. [2018-07-23 13:39:13,072 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 196 to 196. [2018-07-23 13:39:13,072 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 196 states. [2018-07-23 13:39:13,072 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 196 states to 196 states and 196 transitions. [2018-07-23 13:39:13,072 INFO L78 Accepts]: Start accepts. Automaton has 196 states and 196 transitions. Word has length 194 [2018-07-23 13:39:13,073 INFO L84 Accepts]: Finished accepts. word is rejected. [2018-07-23 13:39:13,073 INFO L471 AbstractCegarLoop]: Abstraction has 196 states and 196 transitions. [2018-07-23 13:39:13,073 INFO L472 AbstractCegarLoop]: Interpolant automaton has 194 states. [2018-07-23 13:39:13,073 INFO L276 IsEmpty]: Start isEmpty. Operand 196 states and 196 transitions. [2018-07-23 13:39:13,073 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 196 [2018-07-23 13:39:13,074 INFO L349 BasicCegarLoop]: Found error trace [2018-07-23 13:39:13,074 INFO L357 BasicCegarLoop]: trace histogram [192, 1, 1, 1] [2018-07-23 13:39:13,074 INFO L414 AbstractCegarLoop]: === Iteration 193 === [ULTIMATE.startErr0AssertViolationASSERT]=== [2018-07-23 13:39:13,074 INFO L82 PathProgramCache]: Analyzing trace with hash -829830847, now seen corresponding path program 192 times [2018-07-23 13:39:13,075 INFO L69 tionRefinementEngine]: Using refinement strategy FixedRefinementStrategy [2018-07-23 13:39:13,224 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-07-23 13:39:14,048 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 13:39:14,048 INFO L309 seRefinementStrategy]: Constructing automaton from 0 perfect and 1 imperfect interpolant sequences. [2018-07-23 13:39:14,049 INFO L324 seRefinementStrategy]: Number of different interpolants: perfect sequences [] imperfect sequences [194] total 194 [2018-07-23 13:39:14,049 INFO L142 lantAutomatonBuilder]: Constructing canonical interpolant automaton, with selfloop in false state [2018-07-23 13:39:14,049 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 13:39:14,049 INFO L185 omatonBuilderFactory]: Interpolants [96875#false, 96874#true, 96877#(<= ULTIMATE.start_main_~i~4 2), 96876#(<= ULTIMATE.start_main_~i~4 0), 96879#(<= ULTIMATE.start_main_~i~4 6), 96878#(<= ULTIMATE.start_main_~i~4 4), 96881#(<= ULTIMATE.start_main_~i~4 10), 96880#(<= ULTIMATE.start_main_~i~4 8), 96883#(<= ULTIMATE.start_main_~i~4 14), 96882#(<= ULTIMATE.start_main_~i~4 12), 96885#(<= ULTIMATE.start_main_~i~4 18), 96884#(<= ULTIMATE.start_main_~i~4 16), 96887#(<= ULTIMATE.start_main_~i~4 22), 96886#(<= ULTIMATE.start_main_~i~4 20), 96889#(<= ULTIMATE.start_main_~i~4 26), 96888#(<= ULTIMATE.start_main_~i~4 24), 96891#(<= ULTIMATE.start_main_~i~4 30), 96890#(<= ULTIMATE.start_main_~i~4 28), 96893#(<= ULTIMATE.start_main_~i~4 34), 96892#(<= ULTIMATE.start_main_~i~4 32), 96895#(<= ULTIMATE.start_main_~i~4 38), 96894#(<= ULTIMATE.start_main_~i~4 36), 96897#(<= ULTIMATE.start_main_~i~4 42), 96896#(<= ULTIMATE.start_main_~i~4 40), 96899#(<= ULTIMATE.start_main_~i~4 46), 96898#(<= ULTIMATE.start_main_~i~4 44), 96901#(<= ULTIMATE.start_main_~i~4 50), 96900#(<= ULTIMATE.start_main_~i~4 48), 96903#(<= ULTIMATE.start_main_~i~4 54), 96902#(<= ULTIMATE.start_main_~i~4 52), 96905#(<= ULTIMATE.start_main_~i~4 58), 96904#(<= ULTIMATE.start_main_~i~4 56), 96907#(<= ULTIMATE.start_main_~i~4 62), 96906#(<= ULTIMATE.start_main_~i~4 60), 96909#(<= ULTIMATE.start_main_~i~4 66), 96908#(<= ULTIMATE.start_main_~i~4 64), 96911#(<= ULTIMATE.start_main_~i~4 70), 96910#(<= ULTIMATE.start_main_~i~4 68), 96913#(<= ULTIMATE.start_main_~i~4 74), 96912#(<= ULTIMATE.start_main_~i~4 72), 96915#(<= ULTIMATE.start_main_~i~4 78), 96914#(<= ULTIMATE.start_main_~i~4 76), 96917#(<= ULTIMATE.start_main_~i~4 82), 96916#(<= ULTIMATE.start_main_~i~4 80), 96919#(<= ULTIMATE.start_main_~i~4 86), 96918#(<= ULTIMATE.start_main_~i~4 84), 96921#(<= ULTIMATE.start_main_~i~4 90), 96920#(<= ULTIMATE.start_main_~i~4 88), 96923#(<= ULTIMATE.start_main_~i~4 94), 96922#(<= ULTIMATE.start_main_~i~4 92), 96925#(<= ULTIMATE.start_main_~i~4 98), 96924#(<= ULTIMATE.start_main_~i~4 96), 96927#(<= ULTIMATE.start_main_~i~4 102), 96926#(<= ULTIMATE.start_main_~i~4 100), 96929#(<= ULTIMATE.start_main_~i~4 106), 96928#(<= ULTIMATE.start_main_~i~4 104), 96931#(<= ULTIMATE.start_main_~i~4 110), 96930#(<= ULTIMATE.start_main_~i~4 108), 96933#(<= ULTIMATE.start_main_~i~4 114), 96932#(<= ULTIMATE.start_main_~i~4 112), 96935#(<= ULTIMATE.start_main_~i~4 118), 96934#(<= ULTIMATE.start_main_~i~4 116), 96937#(<= ULTIMATE.start_main_~i~4 122), 96936#(<= ULTIMATE.start_main_~i~4 120), 96939#(<= ULTIMATE.start_main_~i~4 126), 96938#(<= ULTIMATE.start_main_~i~4 124), 96941#(<= ULTIMATE.start_main_~i~4 130), 96940#(<= ULTIMATE.start_main_~i~4 128), 96943#(<= ULTIMATE.start_main_~i~4 134), 96942#(<= ULTIMATE.start_main_~i~4 132), 96945#(<= ULTIMATE.start_main_~i~4 138), 96944#(<= ULTIMATE.start_main_~i~4 136), 96947#(<= ULTIMATE.start_main_~i~4 142), 96946#(<= ULTIMATE.start_main_~i~4 140), 96949#(<= ULTIMATE.start_main_~i~4 146), 96948#(<= ULTIMATE.start_main_~i~4 144), 96951#(<= ULTIMATE.start_main_~i~4 150), 96950#(<= ULTIMATE.start_main_~i~4 148), 96953#(<= ULTIMATE.start_main_~i~4 154), 96952#(<= ULTIMATE.start_main_~i~4 152), 96955#(<= ULTIMATE.start_main_~i~4 158), 96954#(<= ULTIMATE.start_main_~i~4 156), 96957#(<= ULTIMATE.start_main_~i~4 162), 96956#(<= ULTIMATE.start_main_~i~4 160), 96959#(<= ULTIMATE.start_main_~i~4 166), 96958#(<= ULTIMATE.start_main_~i~4 164), 96961#(<= ULTIMATE.start_main_~i~4 170), 96960#(<= ULTIMATE.start_main_~i~4 168), 96963#(<= ULTIMATE.start_main_~i~4 174), 96962#(<= ULTIMATE.start_main_~i~4 172), 96965#(<= ULTIMATE.start_main_~i~4 178), 96964#(<= ULTIMATE.start_main_~i~4 176), 96967#(<= ULTIMATE.start_main_~i~4 182), 96966#(<= ULTIMATE.start_main_~i~4 180), 96969#(<= ULTIMATE.start_main_~i~4 186), 96968#(<= ULTIMATE.start_main_~i~4 184), 96971#(<= ULTIMATE.start_main_~i~4 190), 96970#(<= ULTIMATE.start_main_~i~4 188), 96973#(<= ULTIMATE.start_main_~i~4 194), 96972#(<= ULTIMATE.start_main_~i~4 192), 96975#(<= ULTIMATE.start_main_~i~4 198), 96974#(<= ULTIMATE.start_main_~i~4 196), 96977#(<= ULTIMATE.start_main_~i~4 202), 96976#(<= ULTIMATE.start_main_~i~4 200), 96979#(<= ULTIMATE.start_main_~i~4 206), 96978#(<= ULTIMATE.start_main_~i~4 204), 96981#(<= ULTIMATE.start_main_~i~4 210), 96980#(<= ULTIMATE.start_main_~i~4 208), 96983#(<= ULTIMATE.start_main_~i~4 214), 96982#(<= ULTIMATE.start_main_~i~4 212), 96985#(<= ULTIMATE.start_main_~i~4 218), 96984#(<= ULTIMATE.start_main_~i~4 216), 96987#(<= ULTIMATE.start_main_~i~4 222), 96986#(<= ULTIMATE.start_main_~i~4 220), 96989#(<= ULTIMATE.start_main_~i~4 226), 96988#(<= ULTIMATE.start_main_~i~4 224), 96991#(<= ULTIMATE.start_main_~i~4 230), 96990#(<= ULTIMATE.start_main_~i~4 228), 96993#(<= ULTIMATE.start_main_~i~4 234), 96992#(<= ULTIMATE.start_main_~i~4 232), 96995#(<= ULTIMATE.start_main_~i~4 238), 96994#(<= ULTIMATE.start_main_~i~4 236), 96997#(<= ULTIMATE.start_main_~i~4 242), 96996#(<= ULTIMATE.start_main_~i~4 240), 96999#(<= ULTIMATE.start_main_~i~4 246), 96998#(<= ULTIMATE.start_main_~i~4 244), 97001#(<= ULTIMATE.start_main_~i~4 250), 97000#(<= ULTIMATE.start_main_~i~4 248), 97003#(<= ULTIMATE.start_main_~i~4 254), 97002#(<= ULTIMATE.start_main_~i~4 252), 97005#(<= ULTIMATE.start_main_~i~4 258), 97004#(<= ULTIMATE.start_main_~i~4 256), 97007#(<= ULTIMATE.start_main_~i~4 262), 97006#(<= ULTIMATE.start_main_~i~4 260), 97009#(<= ULTIMATE.start_main_~i~4 266), 97008#(<= ULTIMATE.start_main_~i~4 264), 97011#(<= ULTIMATE.start_main_~i~4 270), 97010#(<= ULTIMATE.start_main_~i~4 268), 97013#(<= ULTIMATE.start_main_~i~4 274), 97012#(<= ULTIMATE.start_main_~i~4 272), 97015#(<= ULTIMATE.start_main_~i~4 278), 97014#(<= ULTIMATE.start_main_~i~4 276), 97017#(<= ULTIMATE.start_main_~i~4 282), 97016#(<= ULTIMATE.start_main_~i~4 280), 97019#(<= ULTIMATE.start_main_~i~4 286), 97018#(<= ULTIMATE.start_main_~i~4 284), 97021#(<= ULTIMATE.start_main_~i~4 290), 97020#(<= ULTIMATE.start_main_~i~4 288), 97023#(<= ULTIMATE.start_main_~i~4 294), 97022#(<= ULTIMATE.start_main_~i~4 292), 97025#(<= ULTIMATE.start_main_~i~4 298), 97024#(<= ULTIMATE.start_main_~i~4 296), 97027#(<= ULTIMATE.start_main_~i~4 302), 97026#(<= ULTIMATE.start_main_~i~4 300), 97029#(<= ULTIMATE.start_main_~i~4 306), 97028#(<= ULTIMATE.start_main_~i~4 304), 97031#(<= ULTIMATE.start_main_~i~4 310), 97030#(<= ULTIMATE.start_main_~i~4 308), 97033#(<= ULTIMATE.start_main_~i~4 314), 97032#(<= ULTIMATE.start_main_~i~4 312), 97035#(<= ULTIMATE.start_main_~i~4 318), 97034#(<= ULTIMATE.start_main_~i~4 316), 97037#(<= ULTIMATE.start_main_~i~4 322), 97036#(<= ULTIMATE.start_main_~i~4 320), 97039#(<= ULTIMATE.start_main_~i~4 326), 97038#(<= ULTIMATE.start_main_~i~4 324), 97041#(<= ULTIMATE.start_main_~i~4 330), 97040#(<= ULTIMATE.start_main_~i~4 328), 97043#(<= ULTIMATE.start_main_~i~4 334), 97042#(<= ULTIMATE.start_main_~i~4 332), 97045#(<= ULTIMATE.start_main_~i~4 338), 97044#(<= ULTIMATE.start_main_~i~4 336), 97047#(<= ULTIMATE.start_main_~i~4 342), 97046#(<= ULTIMATE.start_main_~i~4 340), 97049#(<= ULTIMATE.start_main_~i~4 346), 97048#(<= ULTIMATE.start_main_~i~4 344), 97051#(<= ULTIMATE.start_main_~i~4 350), 97050#(<= ULTIMATE.start_main_~i~4 348), 97053#(<= ULTIMATE.start_main_~i~4 354), 97052#(<= ULTIMATE.start_main_~i~4 352), 97055#(<= ULTIMATE.start_main_~i~4 358), 97054#(<= ULTIMATE.start_main_~i~4 356), 97057#(<= ULTIMATE.start_main_~i~4 362), 97056#(<= ULTIMATE.start_main_~i~4 360), 97059#(<= ULTIMATE.start_main_~i~4 366), 97058#(<= ULTIMATE.start_main_~i~4 364), 97061#(<= ULTIMATE.start_main_~i~4 370), 97060#(<= ULTIMATE.start_main_~i~4 368), 97063#(<= ULTIMATE.start_main_~i~4 374), 97062#(<= ULTIMATE.start_main_~i~4 372), 97065#(<= ULTIMATE.start_main_~i~4 378), 97064#(<= ULTIMATE.start_main_~i~4 376), 97067#(<= ULTIMATE.start_main_~i~4 382), 97066#(<= ULTIMATE.start_main_~i~4 380), 97068#(<= ULTIMATE.start_main_~i~4 384)] [2018-07-23 13:39:14,050 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 13:39:14,050 INFO L450 AbstractCegarLoop]: Interpolant automaton has 195 states [2018-07-23 13:39:14,051 INFO L132 InterpolantAutomaton]: Constructing interpolant automaton starting with 195 interpolants. [2018-07-23 13:39:14,052 INFO L133 InterpolantAutomaton]: CoverageRelationStatistics Valid=18915, Invalid=18915, Unknown=0, NotChecked=0, Total=37830 [2018-07-23 13:39:14,052 INFO L87 Difference]: Start difference. First operand 196 states and 196 transitions. Second operand 195 states. [2018-07-23 13:39:14,465 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2018-07-23 13:39:14,466 INFO L93 Difference]: Finished difference Result 199 states and 199 transitions. [2018-07-23 13:39:14,466 INFO L142 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 195 states. [2018-07-23 13:39:14,466 INFO L78 Accepts]: Start accepts. Automaton has 195 states. Word has length 195 [2018-07-23 13:39:14,466 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2018-07-23 13:39:14,467 INFO L225 Difference]: With dead ends: 199 [2018-07-23 13:39:14,467 INFO L226 Difference]: Without dead ends: 197 [2018-07-23 13:39:14,468 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 13:39:14,468 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 197 states. [2018-07-23 13:39:14,471 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 197 to 197. [2018-07-23 13:39:14,471 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 197 states. [2018-07-23 13:39:14,471 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 197 states to 197 states and 197 transitions. [2018-07-23 13:39:14,472 INFO L78 Accepts]: Start accepts. Automaton has 197 states and 197 transitions. Word has length 195 [2018-07-23 13:39:14,472 INFO L84 Accepts]: Finished accepts. word is rejected. [2018-07-23 13:39:14,472 INFO L471 AbstractCegarLoop]: Abstraction has 197 states and 197 transitions. [2018-07-23 13:39:14,472 INFO L472 AbstractCegarLoop]: Interpolant automaton has 195 states. [2018-07-23 13:39:14,472 INFO L276 IsEmpty]: Start isEmpty. Operand 197 states and 197 transitions. [2018-07-23 13:39:14,473 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 197 [2018-07-23 13:39:14,473 INFO L349 BasicCegarLoop]: Found error trace [2018-07-23 13:39:14,473 INFO L357 BasicCegarLoop]: trace histogram [193, 1, 1, 1] [2018-07-23 13:39:14,473 INFO L414 AbstractCegarLoop]: === Iteration 194 === [ULTIMATE.startErr0AssertViolationASSERT]=== [2018-07-23 13:39:14,473 INFO L82 PathProgramCache]: Analyzing trace with hash 45045544, now seen corresponding path program 193 times [2018-07-23 13:39:14,474 INFO L69 tionRefinementEngine]: Using refinement strategy FixedRefinementStrategy [2018-07-23 13:39:14,735 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-07-23 13:39:15,544 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 13:39:15,544 INFO L309 seRefinementStrategy]: Constructing automaton from 0 perfect and 1 imperfect interpolant sequences. [2018-07-23 13:39:15,545 INFO L324 seRefinementStrategy]: Number of different interpolants: perfect sequences [] imperfect sequences [195] total 195 [2018-07-23 13:39:15,545 INFO L142 lantAutomatonBuilder]: Constructing canonical interpolant automaton, with selfloop in false state [2018-07-23 13:39:15,545 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2018-07-23 13:39:15,545 INFO L185 omatonBuilderFactory]: Interpolants [97861#true, 97863#(<= ULTIMATE.start_main_~i~4 0), 97862#false, 97865#(<= ULTIMATE.start_main_~i~4 4), 97864#(<= ULTIMATE.start_main_~i~4 2), 97867#(<= ULTIMATE.start_main_~i~4 8), 97866#(<= ULTIMATE.start_main_~i~4 6), 97869#(<= ULTIMATE.start_main_~i~4 12), 97868#(<= ULTIMATE.start_main_~i~4 10), 97871#(<= ULTIMATE.start_main_~i~4 16), 97870#(<= ULTIMATE.start_main_~i~4 14), 97873#(<= ULTIMATE.start_main_~i~4 20), 97872#(<= ULTIMATE.start_main_~i~4 18), 97875#(<= ULTIMATE.start_main_~i~4 24), 97874#(<= ULTIMATE.start_main_~i~4 22), 97877#(<= ULTIMATE.start_main_~i~4 28), 97876#(<= ULTIMATE.start_main_~i~4 26), 97879#(<= ULTIMATE.start_main_~i~4 32), 97878#(<= ULTIMATE.start_main_~i~4 30), 97881#(<= ULTIMATE.start_main_~i~4 36), 97880#(<= ULTIMATE.start_main_~i~4 34), 97883#(<= ULTIMATE.start_main_~i~4 40), 97882#(<= ULTIMATE.start_main_~i~4 38), 97885#(<= ULTIMATE.start_main_~i~4 44), 97884#(<= ULTIMATE.start_main_~i~4 42), 97887#(<= ULTIMATE.start_main_~i~4 48), 97886#(<= ULTIMATE.start_main_~i~4 46), 97889#(<= ULTIMATE.start_main_~i~4 52), 97888#(<= ULTIMATE.start_main_~i~4 50), 97891#(<= ULTIMATE.start_main_~i~4 56), 97890#(<= ULTIMATE.start_main_~i~4 54), 97893#(<= ULTIMATE.start_main_~i~4 60), 97892#(<= ULTIMATE.start_main_~i~4 58), 97895#(<= ULTIMATE.start_main_~i~4 64), 97894#(<= ULTIMATE.start_main_~i~4 62), 97897#(<= ULTIMATE.start_main_~i~4 68), 97896#(<= ULTIMATE.start_main_~i~4 66), 97899#(<= ULTIMATE.start_main_~i~4 72), 97898#(<= ULTIMATE.start_main_~i~4 70), 97901#(<= ULTIMATE.start_main_~i~4 76), 97900#(<= ULTIMATE.start_main_~i~4 74), 97903#(<= ULTIMATE.start_main_~i~4 80), 97902#(<= ULTIMATE.start_main_~i~4 78), 97905#(<= ULTIMATE.start_main_~i~4 84), 97904#(<= ULTIMATE.start_main_~i~4 82), 97907#(<= ULTIMATE.start_main_~i~4 88), 97906#(<= ULTIMATE.start_main_~i~4 86), 97909#(<= ULTIMATE.start_main_~i~4 92), 97908#(<= ULTIMATE.start_main_~i~4 90), 97911#(<= ULTIMATE.start_main_~i~4 96), 97910#(<= ULTIMATE.start_main_~i~4 94), 97913#(<= ULTIMATE.start_main_~i~4 100), 97912#(<= ULTIMATE.start_main_~i~4 98), 97915#(<= ULTIMATE.start_main_~i~4 104), 97914#(<= ULTIMATE.start_main_~i~4 102), 97917#(<= ULTIMATE.start_main_~i~4 108), 97916#(<= ULTIMATE.start_main_~i~4 106), 97919#(<= ULTIMATE.start_main_~i~4 112), 97918#(<= ULTIMATE.start_main_~i~4 110), 97921#(<= ULTIMATE.start_main_~i~4 116), 97920#(<= ULTIMATE.start_main_~i~4 114), 97923#(<= ULTIMATE.start_main_~i~4 120), 97922#(<= ULTIMATE.start_main_~i~4 118), 97925#(<= ULTIMATE.start_main_~i~4 124), 97924#(<= ULTIMATE.start_main_~i~4 122), 97927#(<= ULTIMATE.start_main_~i~4 128), 97926#(<= ULTIMATE.start_main_~i~4 126), 97929#(<= ULTIMATE.start_main_~i~4 132), 97928#(<= ULTIMATE.start_main_~i~4 130), 97931#(<= ULTIMATE.start_main_~i~4 136), 97930#(<= ULTIMATE.start_main_~i~4 134), 97933#(<= ULTIMATE.start_main_~i~4 140), 97932#(<= ULTIMATE.start_main_~i~4 138), 97935#(<= ULTIMATE.start_main_~i~4 144), 97934#(<= ULTIMATE.start_main_~i~4 142), 97937#(<= ULTIMATE.start_main_~i~4 148), 97936#(<= ULTIMATE.start_main_~i~4 146), 97939#(<= ULTIMATE.start_main_~i~4 152), 97938#(<= ULTIMATE.start_main_~i~4 150), 97941#(<= ULTIMATE.start_main_~i~4 156), 97940#(<= ULTIMATE.start_main_~i~4 154), 97943#(<= ULTIMATE.start_main_~i~4 160), 97942#(<= ULTIMATE.start_main_~i~4 158), 97945#(<= ULTIMATE.start_main_~i~4 164), 97944#(<= ULTIMATE.start_main_~i~4 162), 97947#(<= ULTIMATE.start_main_~i~4 168), 97946#(<= ULTIMATE.start_main_~i~4 166), 97949#(<= ULTIMATE.start_main_~i~4 172), 97948#(<= ULTIMATE.start_main_~i~4 170), 97951#(<= ULTIMATE.start_main_~i~4 176), 97950#(<= ULTIMATE.start_main_~i~4 174), 97953#(<= ULTIMATE.start_main_~i~4 180), 97952#(<= ULTIMATE.start_main_~i~4 178), 97955#(<= ULTIMATE.start_main_~i~4 184), 97954#(<= ULTIMATE.start_main_~i~4 182), 97957#(<= ULTIMATE.start_main_~i~4 188), 97956#(<= ULTIMATE.start_main_~i~4 186), 97959#(<= ULTIMATE.start_main_~i~4 192), 97958#(<= ULTIMATE.start_main_~i~4 190), 97961#(<= ULTIMATE.start_main_~i~4 196), 97960#(<= ULTIMATE.start_main_~i~4 194), 97963#(<= ULTIMATE.start_main_~i~4 200), 97962#(<= ULTIMATE.start_main_~i~4 198), 97965#(<= ULTIMATE.start_main_~i~4 204), 97964#(<= ULTIMATE.start_main_~i~4 202), 97967#(<= ULTIMATE.start_main_~i~4 208), 97966#(<= ULTIMATE.start_main_~i~4 206), 97969#(<= ULTIMATE.start_main_~i~4 212), 97968#(<= ULTIMATE.start_main_~i~4 210), 97971#(<= ULTIMATE.start_main_~i~4 216), 97970#(<= ULTIMATE.start_main_~i~4 214), 97973#(<= ULTIMATE.start_main_~i~4 220), 97972#(<= ULTIMATE.start_main_~i~4 218), 97975#(<= ULTIMATE.start_main_~i~4 224), 97974#(<= ULTIMATE.start_main_~i~4 222), 97977#(<= ULTIMATE.start_main_~i~4 228), 97976#(<= ULTIMATE.start_main_~i~4 226), 97979#(<= ULTIMATE.start_main_~i~4 232), 97978#(<= ULTIMATE.start_main_~i~4 230), 97981#(<= ULTIMATE.start_main_~i~4 236), 97980#(<= ULTIMATE.start_main_~i~4 234), 97983#(<= ULTIMATE.start_main_~i~4 240), 97982#(<= ULTIMATE.start_main_~i~4 238), 97985#(<= ULTIMATE.start_main_~i~4 244), 97984#(<= ULTIMATE.start_main_~i~4 242), 97987#(<= ULTIMATE.start_main_~i~4 248), 97986#(<= ULTIMATE.start_main_~i~4 246), 97989#(<= ULTIMATE.start_main_~i~4 252), 97988#(<= ULTIMATE.start_main_~i~4 250), 97991#(<= ULTIMATE.start_main_~i~4 256), 97990#(<= ULTIMATE.start_main_~i~4 254), 97993#(<= ULTIMATE.start_main_~i~4 260), 97992#(<= ULTIMATE.start_main_~i~4 258), 97995#(<= ULTIMATE.start_main_~i~4 264), 97994#(<= ULTIMATE.start_main_~i~4 262), 97997#(<= ULTIMATE.start_main_~i~4 268), 97996#(<= ULTIMATE.start_main_~i~4 266), 97999#(<= ULTIMATE.start_main_~i~4 272), 97998#(<= ULTIMATE.start_main_~i~4 270), 98001#(<= ULTIMATE.start_main_~i~4 276), 98000#(<= ULTIMATE.start_main_~i~4 274), 98003#(<= ULTIMATE.start_main_~i~4 280), 98002#(<= ULTIMATE.start_main_~i~4 278), 98005#(<= ULTIMATE.start_main_~i~4 284), 98004#(<= ULTIMATE.start_main_~i~4 282), 98007#(<= ULTIMATE.start_main_~i~4 288), 98006#(<= ULTIMATE.start_main_~i~4 286), 98009#(<= ULTIMATE.start_main_~i~4 292), 98008#(<= ULTIMATE.start_main_~i~4 290), 98011#(<= ULTIMATE.start_main_~i~4 296), 98010#(<= ULTIMATE.start_main_~i~4 294), 98013#(<= ULTIMATE.start_main_~i~4 300), 98012#(<= ULTIMATE.start_main_~i~4 298), 98015#(<= ULTIMATE.start_main_~i~4 304), 98014#(<= ULTIMATE.start_main_~i~4 302), 98017#(<= ULTIMATE.start_main_~i~4 308), 98016#(<= ULTIMATE.start_main_~i~4 306), 98019#(<= ULTIMATE.start_main_~i~4 312), 98018#(<= ULTIMATE.start_main_~i~4 310), 98021#(<= ULTIMATE.start_main_~i~4 316), 98020#(<= ULTIMATE.start_main_~i~4 314), 98023#(<= ULTIMATE.start_main_~i~4 320), 98022#(<= ULTIMATE.start_main_~i~4 318), 98025#(<= ULTIMATE.start_main_~i~4 324), 98024#(<= ULTIMATE.start_main_~i~4 322), 98027#(<= ULTIMATE.start_main_~i~4 328), 98026#(<= ULTIMATE.start_main_~i~4 326), 98029#(<= ULTIMATE.start_main_~i~4 332), 98028#(<= ULTIMATE.start_main_~i~4 330), 98031#(<= ULTIMATE.start_main_~i~4 336), 98030#(<= ULTIMATE.start_main_~i~4 334), 98033#(<= ULTIMATE.start_main_~i~4 340), 98032#(<= ULTIMATE.start_main_~i~4 338), 98035#(<= ULTIMATE.start_main_~i~4 344), 98034#(<= ULTIMATE.start_main_~i~4 342), 98037#(<= ULTIMATE.start_main_~i~4 348), 98036#(<= ULTIMATE.start_main_~i~4 346), 98039#(<= ULTIMATE.start_main_~i~4 352), 98038#(<= ULTIMATE.start_main_~i~4 350), 98041#(<= ULTIMATE.start_main_~i~4 356), 98040#(<= ULTIMATE.start_main_~i~4 354), 98043#(<= ULTIMATE.start_main_~i~4 360), 98042#(<= ULTIMATE.start_main_~i~4 358), 98045#(<= ULTIMATE.start_main_~i~4 364), 98044#(<= ULTIMATE.start_main_~i~4 362), 98047#(<= ULTIMATE.start_main_~i~4 368), 98046#(<= ULTIMATE.start_main_~i~4 366), 98049#(<= ULTIMATE.start_main_~i~4 372), 98048#(<= ULTIMATE.start_main_~i~4 370), 98051#(<= ULTIMATE.start_main_~i~4 376), 98050#(<= ULTIMATE.start_main_~i~4 374), 98053#(<= ULTIMATE.start_main_~i~4 380), 98052#(<= ULTIMATE.start_main_~i~4 378), 98055#(<= ULTIMATE.start_main_~i~4 384), 98054#(<= ULTIMATE.start_main_~i~4 382), 98056#(<= ULTIMATE.start_main_~i~4 386)] [2018-07-23 13:39:15,546 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 13:39:15,546 INFO L450 AbstractCegarLoop]: Interpolant automaton has 196 states [2018-07-23 13:39:15,549 INFO L132 InterpolantAutomaton]: Constructing interpolant automaton starting with 196 interpolants. [2018-07-23 13:39:15,550 INFO L133 InterpolantAutomaton]: CoverageRelationStatistics Valid=19110, Invalid=19110, Unknown=0, NotChecked=0, Total=38220 [2018-07-23 13:39:15,550 INFO L87 Difference]: Start difference. First operand 197 states and 197 transitions. Second operand 196 states. [2018-07-23 13:39:16,334 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2018-07-23 13:39:16,334 INFO L93 Difference]: Finished difference Result 200 states and 200 transitions. [2018-07-23 13:39:16,334 INFO L142 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 196 states. [2018-07-23 13:39:16,334 INFO L78 Accepts]: Start accepts. Automaton has 196 states. Word has length 196 [2018-07-23 13:39:16,335 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2018-07-23 13:39:16,335 INFO L225 Difference]: With dead ends: 200 [2018-07-23 13:39:16,335 INFO L226 Difference]: Without dead ends: 198 [2018-07-23 13:39:16,337 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 13:39:16,337 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 198 states. [2018-07-23 13:39:16,339 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 198 to 198. [2018-07-23 13:39:16,339 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 198 states. [2018-07-23 13:39:16,340 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 198 states to 198 states and 198 transitions. [2018-07-23 13:39:16,340 INFO L78 Accepts]: Start accepts. Automaton has 198 states and 198 transitions. Word has length 196 [2018-07-23 13:39:16,340 INFO L84 Accepts]: Finished accepts. word is rejected. [2018-07-23 13:39:16,340 INFO L471 AbstractCegarLoop]: Abstraction has 198 states and 198 transitions. [2018-07-23 13:39:16,340 INFO L472 AbstractCegarLoop]: Interpolant automaton has 196 states. [2018-07-23 13:39:16,340 INFO L276 IsEmpty]: Start isEmpty. Operand 198 states and 198 transitions. [2018-07-23 13:39:16,341 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 198 [2018-07-23 13:39:16,341 INFO L349 BasicCegarLoop]: Found error trace [2018-07-23 13:39:16,341 INFO L357 BasicCegarLoop]: trace histogram [194, 1, 1, 1] [2018-07-23 13:39:16,341 INFO L414 AbstractCegarLoop]: === Iteration 195 === [ULTIMATE.startErr0AssertViolationASSERT]=== [2018-07-23 13:39:16,341 INFO L82 PathProgramCache]: Analyzing trace with hash 1396409889, now seen corresponding path program 194 times [2018-07-23 13:39:16,342 INFO L69 tionRefinementEngine]: Using refinement strategy FixedRefinementStrategy [2018-07-23 13:39:16,605 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-07-23 13:39:17,465 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 13:39:17,466 INFO L309 seRefinementStrategy]: Constructing automaton from 0 perfect and 1 imperfect interpolant sequences. [2018-07-23 13:39:17,466 INFO L324 seRefinementStrategy]: Number of different interpolants: perfect sequences [] imperfect sequences [196] total 196 [2018-07-23 13:39:17,466 INFO L142 lantAutomatonBuilder]: Constructing canonical interpolant automaton, with selfloop in false state [2018-07-23 13:39:17,466 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2018-07-23 13:39:17,466 INFO L185 omatonBuilderFactory]: Interpolants [98853#true, 98855#(<= ULTIMATE.start_main_~i~4 0), 98854#false, 98857#(<= ULTIMATE.start_main_~i~4 4), 98856#(<= ULTIMATE.start_main_~i~4 2), 98859#(<= ULTIMATE.start_main_~i~4 8), 98858#(<= ULTIMATE.start_main_~i~4 6), 98861#(<= ULTIMATE.start_main_~i~4 12), 98860#(<= ULTIMATE.start_main_~i~4 10), 98863#(<= ULTIMATE.start_main_~i~4 16), 98862#(<= ULTIMATE.start_main_~i~4 14), 98865#(<= ULTIMATE.start_main_~i~4 20), 98864#(<= ULTIMATE.start_main_~i~4 18), 98867#(<= ULTIMATE.start_main_~i~4 24), 98866#(<= ULTIMATE.start_main_~i~4 22), 98869#(<= ULTIMATE.start_main_~i~4 28), 98868#(<= ULTIMATE.start_main_~i~4 26), 98871#(<= ULTIMATE.start_main_~i~4 32), 98870#(<= ULTIMATE.start_main_~i~4 30), 98873#(<= ULTIMATE.start_main_~i~4 36), 98872#(<= ULTIMATE.start_main_~i~4 34), 98875#(<= ULTIMATE.start_main_~i~4 40), 98874#(<= ULTIMATE.start_main_~i~4 38), 98877#(<= ULTIMATE.start_main_~i~4 44), 98876#(<= ULTIMATE.start_main_~i~4 42), 98879#(<= ULTIMATE.start_main_~i~4 48), 98878#(<= ULTIMATE.start_main_~i~4 46), 98881#(<= ULTIMATE.start_main_~i~4 52), 98880#(<= ULTIMATE.start_main_~i~4 50), 98883#(<= ULTIMATE.start_main_~i~4 56), 98882#(<= ULTIMATE.start_main_~i~4 54), 98885#(<= ULTIMATE.start_main_~i~4 60), 98884#(<= ULTIMATE.start_main_~i~4 58), 98887#(<= ULTIMATE.start_main_~i~4 64), 98886#(<= ULTIMATE.start_main_~i~4 62), 98889#(<= ULTIMATE.start_main_~i~4 68), 98888#(<= ULTIMATE.start_main_~i~4 66), 98891#(<= ULTIMATE.start_main_~i~4 72), 98890#(<= ULTIMATE.start_main_~i~4 70), 98893#(<= ULTIMATE.start_main_~i~4 76), 98892#(<= ULTIMATE.start_main_~i~4 74), 98895#(<= ULTIMATE.start_main_~i~4 80), 98894#(<= ULTIMATE.start_main_~i~4 78), 98897#(<= ULTIMATE.start_main_~i~4 84), 98896#(<= ULTIMATE.start_main_~i~4 82), 98899#(<= ULTIMATE.start_main_~i~4 88), 98898#(<= ULTIMATE.start_main_~i~4 86), 98901#(<= ULTIMATE.start_main_~i~4 92), 98900#(<= ULTIMATE.start_main_~i~4 90), 98903#(<= ULTIMATE.start_main_~i~4 96), 98902#(<= ULTIMATE.start_main_~i~4 94), 98905#(<= ULTIMATE.start_main_~i~4 100), 98904#(<= ULTIMATE.start_main_~i~4 98), 98907#(<= ULTIMATE.start_main_~i~4 104), 98906#(<= ULTIMATE.start_main_~i~4 102), 98909#(<= ULTIMATE.start_main_~i~4 108), 98908#(<= ULTIMATE.start_main_~i~4 106), 98911#(<= ULTIMATE.start_main_~i~4 112), 98910#(<= ULTIMATE.start_main_~i~4 110), 98913#(<= ULTIMATE.start_main_~i~4 116), 98912#(<= ULTIMATE.start_main_~i~4 114), 98915#(<= ULTIMATE.start_main_~i~4 120), 98914#(<= ULTIMATE.start_main_~i~4 118), 98917#(<= ULTIMATE.start_main_~i~4 124), 98916#(<= ULTIMATE.start_main_~i~4 122), 98919#(<= ULTIMATE.start_main_~i~4 128), 98918#(<= ULTIMATE.start_main_~i~4 126), 98921#(<= ULTIMATE.start_main_~i~4 132), 98920#(<= ULTIMATE.start_main_~i~4 130), 98923#(<= ULTIMATE.start_main_~i~4 136), 98922#(<= ULTIMATE.start_main_~i~4 134), 98925#(<= ULTIMATE.start_main_~i~4 140), 98924#(<= ULTIMATE.start_main_~i~4 138), 98927#(<= ULTIMATE.start_main_~i~4 144), 98926#(<= ULTIMATE.start_main_~i~4 142), 98929#(<= ULTIMATE.start_main_~i~4 148), 98928#(<= ULTIMATE.start_main_~i~4 146), 98931#(<= ULTIMATE.start_main_~i~4 152), 98930#(<= ULTIMATE.start_main_~i~4 150), 98933#(<= ULTIMATE.start_main_~i~4 156), 98932#(<= ULTIMATE.start_main_~i~4 154), 98935#(<= ULTIMATE.start_main_~i~4 160), 98934#(<= ULTIMATE.start_main_~i~4 158), 98937#(<= ULTIMATE.start_main_~i~4 164), 98936#(<= ULTIMATE.start_main_~i~4 162), 98939#(<= ULTIMATE.start_main_~i~4 168), 98938#(<= ULTIMATE.start_main_~i~4 166), 98941#(<= ULTIMATE.start_main_~i~4 172), 98940#(<= ULTIMATE.start_main_~i~4 170), 98943#(<= ULTIMATE.start_main_~i~4 176), 98942#(<= ULTIMATE.start_main_~i~4 174), 98945#(<= ULTIMATE.start_main_~i~4 180), 98944#(<= ULTIMATE.start_main_~i~4 178), 98947#(<= ULTIMATE.start_main_~i~4 184), 98946#(<= ULTIMATE.start_main_~i~4 182), 98949#(<= ULTIMATE.start_main_~i~4 188), 98948#(<= ULTIMATE.start_main_~i~4 186), 98951#(<= ULTIMATE.start_main_~i~4 192), 98950#(<= ULTIMATE.start_main_~i~4 190), 98953#(<= ULTIMATE.start_main_~i~4 196), 98952#(<= ULTIMATE.start_main_~i~4 194), 98955#(<= ULTIMATE.start_main_~i~4 200), 98954#(<= ULTIMATE.start_main_~i~4 198), 98957#(<= ULTIMATE.start_main_~i~4 204), 98956#(<= ULTIMATE.start_main_~i~4 202), 98959#(<= ULTIMATE.start_main_~i~4 208), 98958#(<= ULTIMATE.start_main_~i~4 206), 98961#(<= ULTIMATE.start_main_~i~4 212), 98960#(<= ULTIMATE.start_main_~i~4 210), 98963#(<= ULTIMATE.start_main_~i~4 216), 98962#(<= ULTIMATE.start_main_~i~4 214), 98965#(<= ULTIMATE.start_main_~i~4 220), 98964#(<= ULTIMATE.start_main_~i~4 218), 98967#(<= ULTIMATE.start_main_~i~4 224), 98966#(<= ULTIMATE.start_main_~i~4 222), 98969#(<= ULTIMATE.start_main_~i~4 228), 98968#(<= ULTIMATE.start_main_~i~4 226), 98971#(<= ULTIMATE.start_main_~i~4 232), 98970#(<= ULTIMATE.start_main_~i~4 230), 98973#(<= ULTIMATE.start_main_~i~4 236), 98972#(<= ULTIMATE.start_main_~i~4 234), 98975#(<= ULTIMATE.start_main_~i~4 240), 98974#(<= ULTIMATE.start_main_~i~4 238), 98977#(<= ULTIMATE.start_main_~i~4 244), 98976#(<= ULTIMATE.start_main_~i~4 242), 98979#(<= ULTIMATE.start_main_~i~4 248), 98978#(<= ULTIMATE.start_main_~i~4 246), 98981#(<= ULTIMATE.start_main_~i~4 252), 98980#(<= ULTIMATE.start_main_~i~4 250), 98983#(<= ULTIMATE.start_main_~i~4 256), 98982#(<= ULTIMATE.start_main_~i~4 254), 98985#(<= ULTIMATE.start_main_~i~4 260), 98984#(<= ULTIMATE.start_main_~i~4 258), 98987#(<= ULTIMATE.start_main_~i~4 264), 98986#(<= ULTIMATE.start_main_~i~4 262), 98989#(<= ULTIMATE.start_main_~i~4 268), 98988#(<= ULTIMATE.start_main_~i~4 266), 98991#(<= ULTIMATE.start_main_~i~4 272), 98990#(<= ULTIMATE.start_main_~i~4 270), 98993#(<= ULTIMATE.start_main_~i~4 276), 98992#(<= ULTIMATE.start_main_~i~4 274), 98995#(<= ULTIMATE.start_main_~i~4 280), 98994#(<= ULTIMATE.start_main_~i~4 278), 98997#(<= ULTIMATE.start_main_~i~4 284), 98996#(<= ULTIMATE.start_main_~i~4 282), 98999#(<= ULTIMATE.start_main_~i~4 288), 98998#(<= ULTIMATE.start_main_~i~4 286), 99001#(<= ULTIMATE.start_main_~i~4 292), 99000#(<= ULTIMATE.start_main_~i~4 290), 99003#(<= ULTIMATE.start_main_~i~4 296), 99002#(<= ULTIMATE.start_main_~i~4 294), 99005#(<= ULTIMATE.start_main_~i~4 300), 99004#(<= ULTIMATE.start_main_~i~4 298), 99007#(<= ULTIMATE.start_main_~i~4 304), 99006#(<= ULTIMATE.start_main_~i~4 302), 99009#(<= ULTIMATE.start_main_~i~4 308), 99008#(<= ULTIMATE.start_main_~i~4 306), 99011#(<= ULTIMATE.start_main_~i~4 312), 99010#(<= ULTIMATE.start_main_~i~4 310), 99013#(<= ULTIMATE.start_main_~i~4 316), 99012#(<= ULTIMATE.start_main_~i~4 314), 99015#(<= ULTIMATE.start_main_~i~4 320), 99014#(<= ULTIMATE.start_main_~i~4 318), 99017#(<= ULTIMATE.start_main_~i~4 324), 99016#(<= ULTIMATE.start_main_~i~4 322), 99019#(<= ULTIMATE.start_main_~i~4 328), 99018#(<= ULTIMATE.start_main_~i~4 326), 99021#(<= ULTIMATE.start_main_~i~4 332), 99020#(<= ULTIMATE.start_main_~i~4 330), 99023#(<= ULTIMATE.start_main_~i~4 336), 99022#(<= ULTIMATE.start_main_~i~4 334), 99025#(<= ULTIMATE.start_main_~i~4 340), 99024#(<= ULTIMATE.start_main_~i~4 338), 99027#(<= ULTIMATE.start_main_~i~4 344), 99026#(<= ULTIMATE.start_main_~i~4 342), 99029#(<= ULTIMATE.start_main_~i~4 348), 99028#(<= ULTIMATE.start_main_~i~4 346), 99031#(<= ULTIMATE.start_main_~i~4 352), 99030#(<= ULTIMATE.start_main_~i~4 350), 99033#(<= ULTIMATE.start_main_~i~4 356), 99032#(<= ULTIMATE.start_main_~i~4 354), 99035#(<= ULTIMATE.start_main_~i~4 360), 99034#(<= ULTIMATE.start_main_~i~4 358), 99037#(<= ULTIMATE.start_main_~i~4 364), 99036#(<= ULTIMATE.start_main_~i~4 362), 99039#(<= ULTIMATE.start_main_~i~4 368), 99038#(<= ULTIMATE.start_main_~i~4 366), 99041#(<= ULTIMATE.start_main_~i~4 372), 99040#(<= ULTIMATE.start_main_~i~4 370), 99043#(<= ULTIMATE.start_main_~i~4 376), 99042#(<= ULTIMATE.start_main_~i~4 374), 99045#(<= ULTIMATE.start_main_~i~4 380), 99044#(<= ULTIMATE.start_main_~i~4 378), 99047#(<= ULTIMATE.start_main_~i~4 384), 99046#(<= ULTIMATE.start_main_~i~4 382), 99049#(<= ULTIMATE.start_main_~i~4 388), 99048#(<= ULTIMATE.start_main_~i~4 386)] [2018-07-23 13:39:17,467 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 13:39:17,467 INFO L450 AbstractCegarLoop]: Interpolant automaton has 197 states [2018-07-23 13:39:17,470 INFO L132 InterpolantAutomaton]: Constructing interpolant automaton starting with 197 interpolants. [2018-07-23 13:39:17,472 INFO L133 InterpolantAutomaton]: CoverageRelationStatistics Valid=19306, Invalid=19306, Unknown=0, NotChecked=0, Total=38612 [2018-07-23 13:39:17,472 INFO L87 Difference]: Start difference. First operand 198 states and 198 transitions. Second operand 197 states. [2018-07-23 13:39:18,351 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2018-07-23 13:39:18,351 INFO L93 Difference]: Finished difference Result 201 states and 201 transitions. [2018-07-23 13:39:18,351 INFO L142 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 197 states. [2018-07-23 13:39:18,351 INFO L78 Accepts]: Start accepts. Automaton has 197 states. Word has length 197 [2018-07-23 13:39:18,351 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2018-07-23 13:39:18,352 INFO L225 Difference]: With dead ends: 201 [2018-07-23 13:39:18,352 INFO L226 Difference]: Without dead ends: 199 [2018-07-23 13:39:18,353 INFO L575 BasicCegarLoop]: 0 DeclaredPredicates, 196 GetRequests, 1 SyntacticMatches, 0 SemanticMatches, 195 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 0 ImplicationChecksByTransitivity, 0.7s TimeCoverageRelationStatistics Valid=19306, Invalid=19306, Unknown=0, NotChecked=0, Total=38612 [2018-07-23 13:39:18,353 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 199 states. [2018-07-23 13:39:18,355 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 199 to 199. [2018-07-23 13:39:18,355 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 199 states. [2018-07-23 13:39:18,355 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 199 states to 199 states and 199 transitions. [2018-07-23 13:39:18,356 INFO L78 Accepts]: Start accepts. Automaton has 199 states and 199 transitions. Word has length 197 [2018-07-23 13:39:18,356 INFO L84 Accepts]: Finished accepts. word is rejected. [2018-07-23 13:39:18,356 INFO L471 AbstractCegarLoop]: Abstraction has 199 states and 199 transitions. [2018-07-23 13:39:18,356 INFO L472 AbstractCegarLoop]: Interpolant automaton has 197 states. [2018-07-23 13:39:18,356 INFO L276 IsEmpty]: Start isEmpty. Operand 199 states and 199 transitions. [2018-07-23 13:39:18,356 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 199 [2018-07-23 13:39:18,356 INFO L349 BasicCegarLoop]: Found error trace [2018-07-23 13:39:18,356 INFO L357 BasicCegarLoop]: trace histogram [195, 1, 1, 1] [2018-07-23 13:39:18,357 INFO L414 AbstractCegarLoop]: === Iteration 196 === [ULTIMATE.startErr0AssertViolationASSERT]=== [2018-07-23 13:39:18,357 INFO L82 PathProgramCache]: Analyzing trace with hash 339031624, now seen corresponding path program 195 times [2018-07-23 13:39:18,357 INFO L69 tionRefinementEngine]: Using refinement strategy FixedRefinementStrategy [2018-07-23 13:39:18,515 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-07-23 13:39:19,361 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 13:39:19,361 INFO L309 seRefinementStrategy]: Constructing automaton from 0 perfect and 1 imperfect interpolant sequences. [2018-07-23 13:39:19,362 INFO L324 seRefinementStrategy]: Number of different interpolants: perfect sequences [] imperfect sequences [197] total 197 [2018-07-23 13:39:19,362 INFO L142 lantAutomatonBuilder]: Constructing canonical interpolant automaton, with selfloop in false state [2018-07-23 13:39:19,362 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2018-07-23 13:39:19,362 INFO L185 omatonBuilderFactory]: Interpolants [99851#false, 99850#true, 99853#(<= ULTIMATE.start_main_~i~4 2), 99852#(<= ULTIMATE.start_main_~i~4 0), 99855#(<= ULTIMATE.start_main_~i~4 6), 99854#(<= ULTIMATE.start_main_~i~4 4), 99857#(<= ULTIMATE.start_main_~i~4 10), 99856#(<= ULTIMATE.start_main_~i~4 8), 99859#(<= ULTIMATE.start_main_~i~4 14), 99858#(<= ULTIMATE.start_main_~i~4 12), 99861#(<= ULTIMATE.start_main_~i~4 18), 99860#(<= ULTIMATE.start_main_~i~4 16), 99863#(<= ULTIMATE.start_main_~i~4 22), 99862#(<= ULTIMATE.start_main_~i~4 20), 99865#(<= ULTIMATE.start_main_~i~4 26), 99864#(<= ULTIMATE.start_main_~i~4 24), 99867#(<= ULTIMATE.start_main_~i~4 30), 99866#(<= ULTIMATE.start_main_~i~4 28), 99869#(<= ULTIMATE.start_main_~i~4 34), 99868#(<= ULTIMATE.start_main_~i~4 32), 99871#(<= ULTIMATE.start_main_~i~4 38), 99870#(<= ULTIMATE.start_main_~i~4 36), 99873#(<= ULTIMATE.start_main_~i~4 42), 99872#(<= ULTIMATE.start_main_~i~4 40), 99875#(<= ULTIMATE.start_main_~i~4 46), 99874#(<= ULTIMATE.start_main_~i~4 44), 99877#(<= ULTIMATE.start_main_~i~4 50), 99876#(<= ULTIMATE.start_main_~i~4 48), 99879#(<= ULTIMATE.start_main_~i~4 54), 99878#(<= ULTIMATE.start_main_~i~4 52), 99881#(<= ULTIMATE.start_main_~i~4 58), 99880#(<= ULTIMATE.start_main_~i~4 56), 99883#(<= ULTIMATE.start_main_~i~4 62), 99882#(<= ULTIMATE.start_main_~i~4 60), 99885#(<= ULTIMATE.start_main_~i~4 66), 99884#(<= ULTIMATE.start_main_~i~4 64), 99887#(<= ULTIMATE.start_main_~i~4 70), 99886#(<= ULTIMATE.start_main_~i~4 68), 99889#(<= ULTIMATE.start_main_~i~4 74), 99888#(<= ULTIMATE.start_main_~i~4 72), 99891#(<= ULTIMATE.start_main_~i~4 78), 99890#(<= ULTIMATE.start_main_~i~4 76), 99893#(<= ULTIMATE.start_main_~i~4 82), 99892#(<= ULTIMATE.start_main_~i~4 80), 99895#(<= ULTIMATE.start_main_~i~4 86), 99894#(<= ULTIMATE.start_main_~i~4 84), 99897#(<= ULTIMATE.start_main_~i~4 90), 99896#(<= ULTIMATE.start_main_~i~4 88), 99899#(<= ULTIMATE.start_main_~i~4 94), 99898#(<= ULTIMATE.start_main_~i~4 92), 99901#(<= ULTIMATE.start_main_~i~4 98), 99900#(<= ULTIMATE.start_main_~i~4 96), 99903#(<= ULTIMATE.start_main_~i~4 102), 99902#(<= ULTIMATE.start_main_~i~4 100), 99905#(<= ULTIMATE.start_main_~i~4 106), 99904#(<= ULTIMATE.start_main_~i~4 104), 99907#(<= ULTIMATE.start_main_~i~4 110), 99906#(<= ULTIMATE.start_main_~i~4 108), 99909#(<= ULTIMATE.start_main_~i~4 114), 99908#(<= ULTIMATE.start_main_~i~4 112), 99911#(<= ULTIMATE.start_main_~i~4 118), 99910#(<= ULTIMATE.start_main_~i~4 116), 99913#(<= ULTIMATE.start_main_~i~4 122), 99912#(<= ULTIMATE.start_main_~i~4 120), 99915#(<= ULTIMATE.start_main_~i~4 126), 99914#(<= ULTIMATE.start_main_~i~4 124), 99917#(<= ULTIMATE.start_main_~i~4 130), 99916#(<= ULTIMATE.start_main_~i~4 128), 99919#(<= ULTIMATE.start_main_~i~4 134), 99918#(<= ULTIMATE.start_main_~i~4 132), 99921#(<= ULTIMATE.start_main_~i~4 138), 99920#(<= ULTIMATE.start_main_~i~4 136), 99923#(<= ULTIMATE.start_main_~i~4 142), 99922#(<= ULTIMATE.start_main_~i~4 140), 99925#(<= ULTIMATE.start_main_~i~4 146), 99924#(<= ULTIMATE.start_main_~i~4 144), 99927#(<= ULTIMATE.start_main_~i~4 150), 99926#(<= ULTIMATE.start_main_~i~4 148), 99929#(<= ULTIMATE.start_main_~i~4 154), 99928#(<= ULTIMATE.start_main_~i~4 152), 99931#(<= ULTIMATE.start_main_~i~4 158), 99930#(<= ULTIMATE.start_main_~i~4 156), 99933#(<= ULTIMATE.start_main_~i~4 162), 99932#(<= ULTIMATE.start_main_~i~4 160), 99935#(<= ULTIMATE.start_main_~i~4 166), 99934#(<= ULTIMATE.start_main_~i~4 164), 99937#(<= ULTIMATE.start_main_~i~4 170), 99936#(<= ULTIMATE.start_main_~i~4 168), 99939#(<= ULTIMATE.start_main_~i~4 174), 99938#(<= ULTIMATE.start_main_~i~4 172), 99941#(<= ULTIMATE.start_main_~i~4 178), 99940#(<= ULTIMATE.start_main_~i~4 176), 99943#(<= ULTIMATE.start_main_~i~4 182), 99942#(<= ULTIMATE.start_main_~i~4 180), 99945#(<= ULTIMATE.start_main_~i~4 186), 99944#(<= ULTIMATE.start_main_~i~4 184), 99947#(<= ULTIMATE.start_main_~i~4 190), 99946#(<= ULTIMATE.start_main_~i~4 188), 99949#(<= ULTIMATE.start_main_~i~4 194), 99948#(<= ULTIMATE.start_main_~i~4 192), 99951#(<= ULTIMATE.start_main_~i~4 198), 99950#(<= ULTIMATE.start_main_~i~4 196), 99953#(<= ULTIMATE.start_main_~i~4 202), 99952#(<= ULTIMATE.start_main_~i~4 200), 99955#(<= ULTIMATE.start_main_~i~4 206), 99954#(<= ULTIMATE.start_main_~i~4 204), 99957#(<= ULTIMATE.start_main_~i~4 210), 99956#(<= ULTIMATE.start_main_~i~4 208), 99959#(<= ULTIMATE.start_main_~i~4 214), 99958#(<= ULTIMATE.start_main_~i~4 212), 99961#(<= ULTIMATE.start_main_~i~4 218), 99960#(<= ULTIMATE.start_main_~i~4 216), 99963#(<= ULTIMATE.start_main_~i~4 222), 99962#(<= ULTIMATE.start_main_~i~4 220), 99965#(<= ULTIMATE.start_main_~i~4 226), 99964#(<= ULTIMATE.start_main_~i~4 224), 99967#(<= ULTIMATE.start_main_~i~4 230), 99966#(<= ULTIMATE.start_main_~i~4 228), 99969#(<= ULTIMATE.start_main_~i~4 234), 99968#(<= ULTIMATE.start_main_~i~4 232), 99971#(<= ULTIMATE.start_main_~i~4 238), 99970#(<= ULTIMATE.start_main_~i~4 236), 99973#(<= ULTIMATE.start_main_~i~4 242), 99972#(<= ULTIMATE.start_main_~i~4 240), 99975#(<= ULTIMATE.start_main_~i~4 246), 99974#(<= ULTIMATE.start_main_~i~4 244), 99977#(<= ULTIMATE.start_main_~i~4 250), 99976#(<= ULTIMATE.start_main_~i~4 248), 99979#(<= ULTIMATE.start_main_~i~4 254), 99978#(<= ULTIMATE.start_main_~i~4 252), 99981#(<= ULTIMATE.start_main_~i~4 258), 99980#(<= ULTIMATE.start_main_~i~4 256), 99983#(<= ULTIMATE.start_main_~i~4 262), 99982#(<= ULTIMATE.start_main_~i~4 260), 99985#(<= ULTIMATE.start_main_~i~4 266), 99984#(<= ULTIMATE.start_main_~i~4 264), 99987#(<= ULTIMATE.start_main_~i~4 270), 99986#(<= ULTIMATE.start_main_~i~4 268), 99989#(<= ULTIMATE.start_main_~i~4 274), 99988#(<= ULTIMATE.start_main_~i~4 272), 99991#(<= ULTIMATE.start_main_~i~4 278), 99990#(<= ULTIMATE.start_main_~i~4 276), 99993#(<= ULTIMATE.start_main_~i~4 282), 99992#(<= ULTIMATE.start_main_~i~4 280), 99995#(<= ULTIMATE.start_main_~i~4 286), 99994#(<= ULTIMATE.start_main_~i~4 284), 99997#(<= ULTIMATE.start_main_~i~4 290), 99996#(<= ULTIMATE.start_main_~i~4 288), 99999#(<= ULTIMATE.start_main_~i~4 294), 99998#(<= ULTIMATE.start_main_~i~4 292), 100001#(<= ULTIMATE.start_main_~i~4 298), 100000#(<= ULTIMATE.start_main_~i~4 296), 100003#(<= ULTIMATE.start_main_~i~4 302), 100002#(<= ULTIMATE.start_main_~i~4 300), 100005#(<= ULTIMATE.start_main_~i~4 306), 100004#(<= ULTIMATE.start_main_~i~4 304), 100007#(<= ULTIMATE.start_main_~i~4 310), 100006#(<= ULTIMATE.start_main_~i~4 308), 100009#(<= ULTIMATE.start_main_~i~4 314), 100008#(<= ULTIMATE.start_main_~i~4 312), 100011#(<= ULTIMATE.start_main_~i~4 318), 100010#(<= ULTIMATE.start_main_~i~4 316), 100013#(<= ULTIMATE.start_main_~i~4 322), 100012#(<= ULTIMATE.start_main_~i~4 320), 100015#(<= ULTIMATE.start_main_~i~4 326), 100014#(<= ULTIMATE.start_main_~i~4 324), 100017#(<= ULTIMATE.start_main_~i~4 330), 100016#(<= ULTIMATE.start_main_~i~4 328), 100019#(<= ULTIMATE.start_main_~i~4 334), 100018#(<= ULTIMATE.start_main_~i~4 332), 100021#(<= ULTIMATE.start_main_~i~4 338), 100020#(<= ULTIMATE.start_main_~i~4 336), 100023#(<= ULTIMATE.start_main_~i~4 342), 100022#(<= ULTIMATE.start_main_~i~4 340), 100025#(<= ULTIMATE.start_main_~i~4 346), 100024#(<= ULTIMATE.start_main_~i~4 344), 100027#(<= ULTIMATE.start_main_~i~4 350), 100026#(<= ULTIMATE.start_main_~i~4 348), 100029#(<= ULTIMATE.start_main_~i~4 354), 100028#(<= ULTIMATE.start_main_~i~4 352), 100031#(<= ULTIMATE.start_main_~i~4 358), 100030#(<= ULTIMATE.start_main_~i~4 356), 100033#(<= ULTIMATE.start_main_~i~4 362), 100032#(<= ULTIMATE.start_main_~i~4 360), 100035#(<= ULTIMATE.start_main_~i~4 366), 100034#(<= ULTIMATE.start_main_~i~4 364), 100037#(<= ULTIMATE.start_main_~i~4 370), 100036#(<= ULTIMATE.start_main_~i~4 368), 100039#(<= ULTIMATE.start_main_~i~4 374), 100038#(<= ULTIMATE.start_main_~i~4 372), 100041#(<= ULTIMATE.start_main_~i~4 378), 100040#(<= ULTIMATE.start_main_~i~4 376), 100043#(<= ULTIMATE.start_main_~i~4 382), 100042#(<= ULTIMATE.start_main_~i~4 380), 100045#(<= ULTIMATE.start_main_~i~4 386), 100044#(<= ULTIMATE.start_main_~i~4 384), 100047#(<= ULTIMATE.start_main_~i~4 390), 100046#(<= ULTIMATE.start_main_~i~4 388)] [2018-07-23 13:39:19,363 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 13:39:19,363 INFO L450 AbstractCegarLoop]: Interpolant automaton has 198 states [2018-07-23 13:39:19,366 INFO L132 InterpolantAutomaton]: Constructing interpolant automaton starting with 198 interpolants. [2018-07-23 13:39:19,367 INFO L133 InterpolantAutomaton]: CoverageRelationStatistics Valid=19503, Invalid=19503, Unknown=0, NotChecked=0, Total=39006 [2018-07-23 13:39:19,367 INFO L87 Difference]: Start difference. First operand 199 states and 199 transitions. Second operand 198 states. [2018-07-23 13:39:20,302 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2018-07-23 13:39:20,302 INFO L93 Difference]: Finished difference Result 202 states and 202 transitions. [2018-07-23 13:39:20,302 INFO L142 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 198 states. [2018-07-23 13:39:20,303 INFO L78 Accepts]: Start accepts. Automaton has 198 states. Word has length 198 [2018-07-23 13:39:20,303 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2018-07-23 13:39:20,303 INFO L225 Difference]: With dead ends: 202 [2018-07-23 13:39:20,303 INFO L226 Difference]: Without dead ends: 200 [2018-07-23 13:39:20,305 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 13:39:20,305 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 200 states. [2018-07-23 13:39:20,306 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 200 to 200. [2018-07-23 13:39:20,307 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 200 states. [2018-07-23 13:39:20,307 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 200 states to 200 states and 200 transitions. [2018-07-23 13:39:20,307 INFO L78 Accepts]: Start accepts. Automaton has 200 states and 200 transitions. Word has length 198 [2018-07-23 13:39:20,307 INFO L84 Accepts]: Finished accepts. word is rejected. [2018-07-23 13:39:20,307 INFO L471 AbstractCegarLoop]: Abstraction has 200 states and 200 transitions. [2018-07-23 13:39:20,307 INFO L472 AbstractCegarLoop]: Interpolant automaton has 198 states. [2018-07-23 13:39:20,307 INFO L276 IsEmpty]: Start isEmpty. Operand 200 states and 200 transitions. [2018-07-23 13:39:20,308 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 200 [2018-07-23 13:39:20,308 INFO L349 BasicCegarLoop]: Found error trace [2018-07-23 13:39:20,308 INFO L357 BasicCegarLoop]: trace histogram [196, 1, 1, 1] [2018-07-23 13:39:20,308 INFO L414 AbstractCegarLoop]: === Iteration 197 === [ULTIMATE.startErr0AssertViolationASSERT]=== [2018-07-23 13:39:20,308 INFO L82 PathProgramCache]: Analyzing trace with hash 1920043777, now seen corresponding path program 196 times [2018-07-23 13:39:20,308 INFO L69 tionRefinementEngine]: Using refinement strategy FixedRefinementStrategy [2018-07-23 13:39:20,470 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-07-23 13:39:21,313 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 13:39:21,313 INFO L309 seRefinementStrategy]: Constructing automaton from 0 perfect and 1 imperfect interpolant sequences. [2018-07-23 13:39:21,313 INFO L324 seRefinementStrategy]: Number of different interpolants: perfect sequences [] imperfect sequences [198] total 198 [2018-07-23 13:39:21,313 INFO L142 lantAutomatonBuilder]: Constructing canonical interpolant automaton, with selfloop in false state [2018-07-23 13:39:21,313 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2018-07-23 13:39:21,314 INFO L185 omatonBuilderFactory]: Interpolants [100865#(<= ULTIMATE.start_main_~i~4 22), 100864#(<= ULTIMATE.start_main_~i~4 20), 100867#(<= ULTIMATE.start_main_~i~4 26), 100866#(<= ULTIMATE.start_main_~i~4 24), 100869#(<= ULTIMATE.start_main_~i~4 30), 100868#(<= ULTIMATE.start_main_~i~4 28), 100871#(<= ULTIMATE.start_main_~i~4 34), 100870#(<= ULTIMATE.start_main_~i~4 32), 100873#(<= ULTIMATE.start_main_~i~4 38), 100872#(<= ULTIMATE.start_main_~i~4 36), 100875#(<= ULTIMATE.start_main_~i~4 42), 100874#(<= ULTIMATE.start_main_~i~4 40), 100877#(<= ULTIMATE.start_main_~i~4 46), 100876#(<= ULTIMATE.start_main_~i~4 44), 100879#(<= ULTIMATE.start_main_~i~4 50), 100878#(<= ULTIMATE.start_main_~i~4 48), 100881#(<= ULTIMATE.start_main_~i~4 54), 100880#(<= ULTIMATE.start_main_~i~4 52), 100883#(<= ULTIMATE.start_main_~i~4 58), 100882#(<= ULTIMATE.start_main_~i~4 56), 100885#(<= ULTIMATE.start_main_~i~4 62), 100884#(<= ULTIMATE.start_main_~i~4 60), 100887#(<= ULTIMATE.start_main_~i~4 66), 100886#(<= ULTIMATE.start_main_~i~4 64), 100889#(<= ULTIMATE.start_main_~i~4 70), 100888#(<= ULTIMATE.start_main_~i~4 68), 100891#(<= ULTIMATE.start_main_~i~4 74), 100890#(<= ULTIMATE.start_main_~i~4 72), 100893#(<= ULTIMATE.start_main_~i~4 78), 100892#(<= ULTIMATE.start_main_~i~4 76), 100895#(<= ULTIMATE.start_main_~i~4 82), 100894#(<= ULTIMATE.start_main_~i~4 80), 100897#(<= ULTIMATE.start_main_~i~4 86), 100896#(<= ULTIMATE.start_main_~i~4 84), 100899#(<= ULTIMATE.start_main_~i~4 90), 100898#(<= ULTIMATE.start_main_~i~4 88), 100901#(<= ULTIMATE.start_main_~i~4 94), 100900#(<= ULTIMATE.start_main_~i~4 92), 100903#(<= ULTIMATE.start_main_~i~4 98), 100902#(<= ULTIMATE.start_main_~i~4 96), 100905#(<= ULTIMATE.start_main_~i~4 102), 100904#(<= ULTIMATE.start_main_~i~4 100), 100907#(<= ULTIMATE.start_main_~i~4 106), 100906#(<= ULTIMATE.start_main_~i~4 104), 100909#(<= ULTIMATE.start_main_~i~4 110), 100908#(<= ULTIMATE.start_main_~i~4 108), 100911#(<= ULTIMATE.start_main_~i~4 114), 100910#(<= ULTIMATE.start_main_~i~4 112), 100913#(<= ULTIMATE.start_main_~i~4 118), 100912#(<= ULTIMATE.start_main_~i~4 116), 100915#(<= ULTIMATE.start_main_~i~4 122), 100914#(<= ULTIMATE.start_main_~i~4 120), 100917#(<= ULTIMATE.start_main_~i~4 126), 100916#(<= ULTIMATE.start_main_~i~4 124), 100919#(<= ULTIMATE.start_main_~i~4 130), 100918#(<= ULTIMATE.start_main_~i~4 128), 100921#(<= ULTIMATE.start_main_~i~4 134), 100920#(<= ULTIMATE.start_main_~i~4 132), 100923#(<= ULTIMATE.start_main_~i~4 138), 100922#(<= ULTIMATE.start_main_~i~4 136), 100925#(<= ULTIMATE.start_main_~i~4 142), 100924#(<= ULTIMATE.start_main_~i~4 140), 100927#(<= ULTIMATE.start_main_~i~4 146), 100926#(<= ULTIMATE.start_main_~i~4 144), 100929#(<= ULTIMATE.start_main_~i~4 150), 100928#(<= ULTIMATE.start_main_~i~4 148), 100931#(<= ULTIMATE.start_main_~i~4 154), 100930#(<= ULTIMATE.start_main_~i~4 152), 100933#(<= ULTIMATE.start_main_~i~4 158), 100932#(<= ULTIMATE.start_main_~i~4 156), 100935#(<= ULTIMATE.start_main_~i~4 162), 100934#(<= ULTIMATE.start_main_~i~4 160), 100937#(<= ULTIMATE.start_main_~i~4 166), 100936#(<= ULTIMATE.start_main_~i~4 164), 100939#(<= ULTIMATE.start_main_~i~4 170), 100938#(<= ULTIMATE.start_main_~i~4 168), 100941#(<= ULTIMATE.start_main_~i~4 174), 100940#(<= ULTIMATE.start_main_~i~4 172), 100943#(<= ULTIMATE.start_main_~i~4 178), 100942#(<= ULTIMATE.start_main_~i~4 176), 100945#(<= ULTIMATE.start_main_~i~4 182), 100944#(<= ULTIMATE.start_main_~i~4 180), 100947#(<= ULTIMATE.start_main_~i~4 186), 100946#(<= ULTIMATE.start_main_~i~4 184), 100949#(<= ULTIMATE.start_main_~i~4 190), 100948#(<= ULTIMATE.start_main_~i~4 188), 100951#(<= ULTIMATE.start_main_~i~4 194), 100950#(<= ULTIMATE.start_main_~i~4 192), 100953#(<= ULTIMATE.start_main_~i~4 198), 100952#(<= ULTIMATE.start_main_~i~4 196), 100955#(<= ULTIMATE.start_main_~i~4 202), 100954#(<= ULTIMATE.start_main_~i~4 200), 100957#(<= ULTIMATE.start_main_~i~4 206), 100956#(<= ULTIMATE.start_main_~i~4 204), 100959#(<= ULTIMATE.start_main_~i~4 210), 100958#(<= ULTIMATE.start_main_~i~4 208), 100961#(<= ULTIMATE.start_main_~i~4 214), 100960#(<= ULTIMATE.start_main_~i~4 212), 100963#(<= ULTIMATE.start_main_~i~4 218), 100962#(<= ULTIMATE.start_main_~i~4 216), 100965#(<= ULTIMATE.start_main_~i~4 222), 100964#(<= ULTIMATE.start_main_~i~4 220), 100967#(<= ULTIMATE.start_main_~i~4 226), 100966#(<= ULTIMATE.start_main_~i~4 224), 100969#(<= ULTIMATE.start_main_~i~4 230), 100968#(<= ULTIMATE.start_main_~i~4 228), 100971#(<= ULTIMATE.start_main_~i~4 234), 100970#(<= ULTIMATE.start_main_~i~4 232), 100973#(<= ULTIMATE.start_main_~i~4 238), 100972#(<= ULTIMATE.start_main_~i~4 236), 100975#(<= ULTIMATE.start_main_~i~4 242), 100974#(<= ULTIMATE.start_main_~i~4 240), 100977#(<= ULTIMATE.start_main_~i~4 246), 100976#(<= ULTIMATE.start_main_~i~4 244), 100979#(<= ULTIMATE.start_main_~i~4 250), 100978#(<= ULTIMATE.start_main_~i~4 248), 100981#(<= ULTIMATE.start_main_~i~4 254), 100980#(<= ULTIMATE.start_main_~i~4 252), 100983#(<= ULTIMATE.start_main_~i~4 258), 100982#(<= ULTIMATE.start_main_~i~4 256), 100985#(<= ULTIMATE.start_main_~i~4 262), 100984#(<= ULTIMATE.start_main_~i~4 260), 100987#(<= ULTIMATE.start_main_~i~4 266), 100986#(<= ULTIMATE.start_main_~i~4 264), 100989#(<= ULTIMATE.start_main_~i~4 270), 100988#(<= ULTIMATE.start_main_~i~4 268), 100991#(<= ULTIMATE.start_main_~i~4 274), 100990#(<= ULTIMATE.start_main_~i~4 272), 100993#(<= ULTIMATE.start_main_~i~4 278), 100992#(<= ULTIMATE.start_main_~i~4 276), 100995#(<= ULTIMATE.start_main_~i~4 282), 100994#(<= ULTIMATE.start_main_~i~4 280), 100997#(<= ULTIMATE.start_main_~i~4 286), 100996#(<= ULTIMATE.start_main_~i~4 284), 100999#(<= ULTIMATE.start_main_~i~4 290), 100998#(<= ULTIMATE.start_main_~i~4 288), 101001#(<= ULTIMATE.start_main_~i~4 294), 101000#(<= ULTIMATE.start_main_~i~4 292), 101003#(<= ULTIMATE.start_main_~i~4 298), 101002#(<= ULTIMATE.start_main_~i~4 296), 101005#(<= ULTIMATE.start_main_~i~4 302), 101004#(<= ULTIMATE.start_main_~i~4 300), 101007#(<= ULTIMATE.start_main_~i~4 306), 101006#(<= ULTIMATE.start_main_~i~4 304), 101009#(<= ULTIMATE.start_main_~i~4 310), 101008#(<= ULTIMATE.start_main_~i~4 308), 101011#(<= ULTIMATE.start_main_~i~4 314), 101010#(<= ULTIMATE.start_main_~i~4 312), 101013#(<= ULTIMATE.start_main_~i~4 318), 101012#(<= ULTIMATE.start_main_~i~4 316), 101015#(<= ULTIMATE.start_main_~i~4 322), 101014#(<= ULTIMATE.start_main_~i~4 320), 101017#(<= ULTIMATE.start_main_~i~4 326), 101016#(<= ULTIMATE.start_main_~i~4 324), 101019#(<= ULTIMATE.start_main_~i~4 330), 101018#(<= ULTIMATE.start_main_~i~4 328), 101021#(<= ULTIMATE.start_main_~i~4 334), 101020#(<= ULTIMATE.start_main_~i~4 332), 101023#(<= ULTIMATE.start_main_~i~4 338), 101022#(<= ULTIMATE.start_main_~i~4 336), 101025#(<= ULTIMATE.start_main_~i~4 342), 101024#(<= ULTIMATE.start_main_~i~4 340), 101027#(<= ULTIMATE.start_main_~i~4 346), 101026#(<= ULTIMATE.start_main_~i~4 344), 101029#(<= ULTIMATE.start_main_~i~4 350), 101028#(<= ULTIMATE.start_main_~i~4 348), 101031#(<= ULTIMATE.start_main_~i~4 354), 101030#(<= ULTIMATE.start_main_~i~4 352), 101033#(<= ULTIMATE.start_main_~i~4 358), 101032#(<= ULTIMATE.start_main_~i~4 356), 101035#(<= ULTIMATE.start_main_~i~4 362), 101034#(<= ULTIMATE.start_main_~i~4 360), 101037#(<= ULTIMATE.start_main_~i~4 366), 101036#(<= ULTIMATE.start_main_~i~4 364), 101039#(<= ULTIMATE.start_main_~i~4 370), 101038#(<= ULTIMATE.start_main_~i~4 368), 101041#(<= ULTIMATE.start_main_~i~4 374), 101040#(<= ULTIMATE.start_main_~i~4 372), 101043#(<= ULTIMATE.start_main_~i~4 378), 101042#(<= ULTIMATE.start_main_~i~4 376), 101045#(<= ULTIMATE.start_main_~i~4 382), 101044#(<= ULTIMATE.start_main_~i~4 380), 101047#(<= ULTIMATE.start_main_~i~4 386), 101046#(<= ULTIMATE.start_main_~i~4 384), 101049#(<= ULTIMATE.start_main_~i~4 390), 101048#(<= ULTIMATE.start_main_~i~4 388), 101050#(<= ULTIMATE.start_main_~i~4 392), 100853#false, 100852#true, 100855#(<= ULTIMATE.start_main_~i~4 2), 100854#(<= ULTIMATE.start_main_~i~4 0), 100857#(<= ULTIMATE.start_main_~i~4 6), 100856#(<= ULTIMATE.start_main_~i~4 4), 100859#(<= ULTIMATE.start_main_~i~4 10), 100858#(<= ULTIMATE.start_main_~i~4 8), 100861#(<= ULTIMATE.start_main_~i~4 14), 100860#(<= ULTIMATE.start_main_~i~4 12), 100863#(<= ULTIMATE.start_main_~i~4 18), 100862#(<= ULTIMATE.start_main_~i~4 16)] [2018-07-23 13:39:21,315 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 13:39:21,315 INFO L450 AbstractCegarLoop]: Interpolant automaton has 199 states [2018-07-23 13:39:21,319 INFO L132 InterpolantAutomaton]: Constructing interpolant automaton starting with 199 interpolants. [2018-07-23 13:39:21,320 INFO L133 InterpolantAutomaton]: CoverageRelationStatistics Valid=19701, Invalid=19701, Unknown=0, NotChecked=0, Total=39402 [2018-07-23 13:39:21,320 INFO L87 Difference]: Start difference. First operand 200 states and 200 transitions. Second operand 199 states. [2018-07-23 13:39:22,294 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2018-07-23 13:39:22,294 INFO L93 Difference]: Finished difference Result 203 states and 203 transitions. [2018-07-23 13:39:22,294 INFO L142 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 199 states. [2018-07-23 13:39:22,294 INFO L78 Accepts]: Start accepts. Automaton has 199 states. Word has length 199 [2018-07-23 13:39:22,295 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2018-07-23 13:39:22,295 INFO L225 Difference]: With dead ends: 203 [2018-07-23 13:39:22,295 INFO L226 Difference]: Without dead ends: 201 [2018-07-23 13:39:22,297 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 13:39:22,297 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 201 states. [2018-07-23 13:39:22,299 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 201 to 201. [2018-07-23 13:39:22,299 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 201 states. [2018-07-23 13:39:22,299 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 201 states to 201 states and 201 transitions. [2018-07-23 13:39:22,299 INFO L78 Accepts]: Start accepts. Automaton has 201 states and 201 transitions. Word has length 199 [2018-07-23 13:39:22,300 INFO L84 Accepts]: Finished accepts. word is rejected. [2018-07-23 13:39:22,300 INFO L471 AbstractCegarLoop]: Abstraction has 201 states and 201 transitions. [2018-07-23 13:39:22,300 INFO L472 AbstractCegarLoop]: Interpolant automaton has 199 states. [2018-07-23 13:39:22,300 INFO L276 IsEmpty]: Start isEmpty. Operand 201 states and 201 transitions. [2018-07-23 13:39:22,300 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 201 [2018-07-23 13:39:22,300 INFO L349 BasicCegarLoop]: Found error trace [2018-07-23 13:39:22,300 INFO L357 BasicCegarLoop]: trace histogram [197, 1, 1, 1] [2018-07-23 13:39:22,300 INFO L414 AbstractCegarLoop]: === Iteration 198 === [ULTIMATE.startErr0AssertViolationASSERT]=== [2018-07-23 13:39:22,301 INFO L82 PathProgramCache]: Analyzing trace with hash -608187032, now seen corresponding path program 197 times [2018-07-23 13:39:22,301 INFO L69 tionRefinementEngine]: Using refinement strategy FixedRefinementStrategy [2018-07-23 13:39:22,465 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-07-23 13:39:23,342 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 13:39:23,342 INFO L309 seRefinementStrategy]: Constructing automaton from 0 perfect and 1 imperfect interpolant sequences. [2018-07-23 13:39:23,342 INFO L324 seRefinementStrategy]: Number of different interpolants: perfect sequences [] imperfect sequences [199] total 199 [2018-07-23 13:39:23,343 INFO L142 lantAutomatonBuilder]: Constructing canonical interpolant automaton, with selfloop in false state [2018-07-23 13:39:23,343 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2018-07-23 13:39:23,343 INFO L185 omatonBuilderFactory]: Interpolants [101889#(<= ULTIMATE.start_main_~i~4 56), 101888#(<= ULTIMATE.start_main_~i~4 54), 101891#(<= ULTIMATE.start_main_~i~4 60), 101890#(<= ULTIMATE.start_main_~i~4 58), 101893#(<= ULTIMATE.start_main_~i~4 64), 101892#(<= ULTIMATE.start_main_~i~4 62), 101895#(<= ULTIMATE.start_main_~i~4 68), 101894#(<= ULTIMATE.start_main_~i~4 66), 101897#(<= ULTIMATE.start_main_~i~4 72), 101896#(<= ULTIMATE.start_main_~i~4 70), 101899#(<= ULTIMATE.start_main_~i~4 76), 101898#(<= ULTIMATE.start_main_~i~4 74), 101901#(<= ULTIMATE.start_main_~i~4 80), 101900#(<= ULTIMATE.start_main_~i~4 78), 101903#(<= ULTIMATE.start_main_~i~4 84), 101902#(<= ULTIMATE.start_main_~i~4 82), 101905#(<= ULTIMATE.start_main_~i~4 88), 101904#(<= ULTIMATE.start_main_~i~4 86), 101907#(<= ULTIMATE.start_main_~i~4 92), 101906#(<= ULTIMATE.start_main_~i~4 90), 101909#(<= ULTIMATE.start_main_~i~4 96), 101908#(<= ULTIMATE.start_main_~i~4 94), 101911#(<= ULTIMATE.start_main_~i~4 100), 101910#(<= ULTIMATE.start_main_~i~4 98), 101913#(<= ULTIMATE.start_main_~i~4 104), 101912#(<= ULTIMATE.start_main_~i~4 102), 101915#(<= ULTIMATE.start_main_~i~4 108), 101914#(<= ULTIMATE.start_main_~i~4 106), 101917#(<= ULTIMATE.start_main_~i~4 112), 101916#(<= ULTIMATE.start_main_~i~4 110), 101919#(<= ULTIMATE.start_main_~i~4 116), 101918#(<= ULTIMATE.start_main_~i~4 114), 101921#(<= ULTIMATE.start_main_~i~4 120), 101920#(<= ULTIMATE.start_main_~i~4 118), 101923#(<= ULTIMATE.start_main_~i~4 124), 101922#(<= ULTIMATE.start_main_~i~4 122), 101925#(<= ULTIMATE.start_main_~i~4 128), 101924#(<= ULTIMATE.start_main_~i~4 126), 101927#(<= ULTIMATE.start_main_~i~4 132), 101926#(<= ULTIMATE.start_main_~i~4 130), 101929#(<= ULTIMATE.start_main_~i~4 136), 101928#(<= ULTIMATE.start_main_~i~4 134), 101931#(<= ULTIMATE.start_main_~i~4 140), 101930#(<= ULTIMATE.start_main_~i~4 138), 101933#(<= ULTIMATE.start_main_~i~4 144), 101932#(<= ULTIMATE.start_main_~i~4 142), 101935#(<= ULTIMATE.start_main_~i~4 148), 101934#(<= ULTIMATE.start_main_~i~4 146), 101937#(<= ULTIMATE.start_main_~i~4 152), 101936#(<= ULTIMATE.start_main_~i~4 150), 101939#(<= ULTIMATE.start_main_~i~4 156), 101938#(<= ULTIMATE.start_main_~i~4 154), 101941#(<= ULTIMATE.start_main_~i~4 160), 101940#(<= ULTIMATE.start_main_~i~4 158), 101943#(<= ULTIMATE.start_main_~i~4 164), 101942#(<= ULTIMATE.start_main_~i~4 162), 101945#(<= ULTIMATE.start_main_~i~4 168), 101944#(<= ULTIMATE.start_main_~i~4 166), 101947#(<= ULTIMATE.start_main_~i~4 172), 101946#(<= ULTIMATE.start_main_~i~4 170), 101949#(<= ULTIMATE.start_main_~i~4 176), 101948#(<= ULTIMATE.start_main_~i~4 174), 101951#(<= ULTIMATE.start_main_~i~4 180), 101950#(<= ULTIMATE.start_main_~i~4 178), 101953#(<= ULTIMATE.start_main_~i~4 184), 101952#(<= ULTIMATE.start_main_~i~4 182), 101955#(<= ULTIMATE.start_main_~i~4 188), 101954#(<= ULTIMATE.start_main_~i~4 186), 101957#(<= ULTIMATE.start_main_~i~4 192), 101956#(<= ULTIMATE.start_main_~i~4 190), 101959#(<= ULTIMATE.start_main_~i~4 196), 101958#(<= ULTIMATE.start_main_~i~4 194), 101961#(<= ULTIMATE.start_main_~i~4 200), 101960#(<= ULTIMATE.start_main_~i~4 198), 101963#(<= ULTIMATE.start_main_~i~4 204), 101962#(<= ULTIMATE.start_main_~i~4 202), 101965#(<= ULTIMATE.start_main_~i~4 208), 101964#(<= ULTIMATE.start_main_~i~4 206), 101967#(<= ULTIMATE.start_main_~i~4 212), 101966#(<= ULTIMATE.start_main_~i~4 210), 101969#(<= ULTIMATE.start_main_~i~4 216), 101968#(<= ULTIMATE.start_main_~i~4 214), 101971#(<= ULTIMATE.start_main_~i~4 220), 101970#(<= ULTIMATE.start_main_~i~4 218), 101973#(<= ULTIMATE.start_main_~i~4 224), 101972#(<= ULTIMATE.start_main_~i~4 222), 101975#(<= ULTIMATE.start_main_~i~4 228), 101974#(<= ULTIMATE.start_main_~i~4 226), 101977#(<= ULTIMATE.start_main_~i~4 232), 101976#(<= ULTIMATE.start_main_~i~4 230), 101979#(<= ULTIMATE.start_main_~i~4 236), 101978#(<= ULTIMATE.start_main_~i~4 234), 101981#(<= ULTIMATE.start_main_~i~4 240), 101980#(<= ULTIMATE.start_main_~i~4 238), 101983#(<= ULTIMATE.start_main_~i~4 244), 101982#(<= ULTIMATE.start_main_~i~4 242), 101985#(<= ULTIMATE.start_main_~i~4 248), 101984#(<= ULTIMATE.start_main_~i~4 246), 101987#(<= ULTIMATE.start_main_~i~4 252), 101986#(<= ULTIMATE.start_main_~i~4 250), 101989#(<= ULTIMATE.start_main_~i~4 256), 101988#(<= ULTIMATE.start_main_~i~4 254), 101991#(<= ULTIMATE.start_main_~i~4 260), 101990#(<= ULTIMATE.start_main_~i~4 258), 101993#(<= ULTIMATE.start_main_~i~4 264), 101992#(<= ULTIMATE.start_main_~i~4 262), 101995#(<= ULTIMATE.start_main_~i~4 268), 101994#(<= ULTIMATE.start_main_~i~4 266), 101997#(<= ULTIMATE.start_main_~i~4 272), 101996#(<= ULTIMATE.start_main_~i~4 270), 101999#(<= ULTIMATE.start_main_~i~4 276), 101998#(<= ULTIMATE.start_main_~i~4 274), 102001#(<= ULTIMATE.start_main_~i~4 280), 102000#(<= ULTIMATE.start_main_~i~4 278), 102003#(<= ULTIMATE.start_main_~i~4 284), 102002#(<= ULTIMATE.start_main_~i~4 282), 102005#(<= ULTIMATE.start_main_~i~4 288), 102004#(<= ULTIMATE.start_main_~i~4 286), 102007#(<= ULTIMATE.start_main_~i~4 292), 102006#(<= ULTIMATE.start_main_~i~4 290), 102009#(<= ULTIMATE.start_main_~i~4 296), 102008#(<= ULTIMATE.start_main_~i~4 294), 102011#(<= ULTIMATE.start_main_~i~4 300), 102010#(<= ULTIMATE.start_main_~i~4 298), 102013#(<= ULTIMATE.start_main_~i~4 304), 102012#(<= ULTIMATE.start_main_~i~4 302), 102015#(<= ULTIMATE.start_main_~i~4 308), 102014#(<= ULTIMATE.start_main_~i~4 306), 102017#(<= ULTIMATE.start_main_~i~4 312), 102016#(<= ULTIMATE.start_main_~i~4 310), 102019#(<= ULTIMATE.start_main_~i~4 316), 102018#(<= ULTIMATE.start_main_~i~4 314), 102021#(<= ULTIMATE.start_main_~i~4 320), 102020#(<= ULTIMATE.start_main_~i~4 318), 102023#(<= ULTIMATE.start_main_~i~4 324), 102022#(<= ULTIMATE.start_main_~i~4 322), 102025#(<= ULTIMATE.start_main_~i~4 328), 102024#(<= ULTIMATE.start_main_~i~4 326), 102027#(<= ULTIMATE.start_main_~i~4 332), 102026#(<= ULTIMATE.start_main_~i~4 330), 102029#(<= ULTIMATE.start_main_~i~4 336), 102028#(<= ULTIMATE.start_main_~i~4 334), 102031#(<= ULTIMATE.start_main_~i~4 340), 102030#(<= ULTIMATE.start_main_~i~4 338), 102033#(<= ULTIMATE.start_main_~i~4 344), 102032#(<= ULTIMATE.start_main_~i~4 342), 102035#(<= ULTIMATE.start_main_~i~4 348), 102034#(<= ULTIMATE.start_main_~i~4 346), 102037#(<= ULTIMATE.start_main_~i~4 352), 102036#(<= ULTIMATE.start_main_~i~4 350), 102039#(<= ULTIMATE.start_main_~i~4 356), 102038#(<= ULTIMATE.start_main_~i~4 354), 102041#(<= ULTIMATE.start_main_~i~4 360), 102040#(<= ULTIMATE.start_main_~i~4 358), 102043#(<= ULTIMATE.start_main_~i~4 364), 102042#(<= ULTIMATE.start_main_~i~4 362), 102045#(<= ULTIMATE.start_main_~i~4 368), 102044#(<= ULTIMATE.start_main_~i~4 366), 102047#(<= ULTIMATE.start_main_~i~4 372), 102046#(<= ULTIMATE.start_main_~i~4 370), 102049#(<= ULTIMATE.start_main_~i~4 376), 102048#(<= ULTIMATE.start_main_~i~4 374), 102051#(<= ULTIMATE.start_main_~i~4 380), 102050#(<= ULTIMATE.start_main_~i~4 378), 102053#(<= ULTIMATE.start_main_~i~4 384), 102052#(<= ULTIMATE.start_main_~i~4 382), 102055#(<= ULTIMATE.start_main_~i~4 388), 102054#(<= ULTIMATE.start_main_~i~4 386), 102057#(<= ULTIMATE.start_main_~i~4 392), 102056#(<= ULTIMATE.start_main_~i~4 390), 102058#(<= ULTIMATE.start_main_~i~4 394), 101859#true, 101861#(<= ULTIMATE.start_main_~i~4 0), 101860#false, 101863#(<= ULTIMATE.start_main_~i~4 4), 101862#(<= ULTIMATE.start_main_~i~4 2), 101865#(<= ULTIMATE.start_main_~i~4 8), 101864#(<= ULTIMATE.start_main_~i~4 6), 101867#(<= ULTIMATE.start_main_~i~4 12), 101866#(<= ULTIMATE.start_main_~i~4 10), 101869#(<= ULTIMATE.start_main_~i~4 16), 101868#(<= ULTIMATE.start_main_~i~4 14), 101871#(<= ULTIMATE.start_main_~i~4 20), 101870#(<= ULTIMATE.start_main_~i~4 18), 101873#(<= ULTIMATE.start_main_~i~4 24), 101872#(<= ULTIMATE.start_main_~i~4 22), 101875#(<= ULTIMATE.start_main_~i~4 28), 101874#(<= ULTIMATE.start_main_~i~4 26), 101877#(<= ULTIMATE.start_main_~i~4 32), 101876#(<= ULTIMATE.start_main_~i~4 30), 101879#(<= ULTIMATE.start_main_~i~4 36), 101878#(<= ULTIMATE.start_main_~i~4 34), 101881#(<= ULTIMATE.start_main_~i~4 40), 101880#(<= ULTIMATE.start_main_~i~4 38), 101883#(<= ULTIMATE.start_main_~i~4 44), 101882#(<= ULTIMATE.start_main_~i~4 42), 101885#(<= ULTIMATE.start_main_~i~4 48), 101884#(<= ULTIMATE.start_main_~i~4 46), 101887#(<= ULTIMATE.start_main_~i~4 52), 101886#(<= ULTIMATE.start_main_~i~4 50)] [2018-07-23 13:39:23,344 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 13:39:23,344 INFO L450 AbstractCegarLoop]: Interpolant automaton has 200 states [2018-07-23 13:39:23,346 INFO L132 InterpolantAutomaton]: Constructing interpolant automaton starting with 200 interpolants. [2018-07-23 13:39:23,346 INFO L133 InterpolantAutomaton]: CoverageRelationStatistics Valid=19900, Invalid=19900, Unknown=0, NotChecked=0, Total=39800 [2018-07-23 13:39:23,346 INFO L87 Difference]: Start difference. First operand 201 states and 201 transitions. Second operand 200 states. [2018-07-23 13:39:24,136 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2018-07-23 13:39:24,136 INFO L93 Difference]: Finished difference Result 204 states and 204 transitions. [2018-07-23 13:39:24,136 INFO L142 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 200 states. [2018-07-23 13:39:24,136 INFO L78 Accepts]: Start accepts. Automaton has 200 states. Word has length 200 [2018-07-23 13:39:24,137 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2018-07-23 13:39:24,137 INFO L225 Difference]: With dead ends: 204 [2018-07-23 13:39:24,137 INFO L226 Difference]: Without dead ends: 202 [2018-07-23 13:39:24,138 INFO L575 BasicCegarLoop]: 0 DeclaredPredicates, 199 GetRequests, 1 SyntacticMatches, 0 SemanticMatches, 198 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 0 ImplicationChecksByTransitivity, 0.8s TimeCoverageRelationStatistics Valid=19900, Invalid=19900, Unknown=0, NotChecked=0, Total=39800 [2018-07-23 13:39:24,138 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 202 states. [2018-07-23 13:39:24,140 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 202 to 202. [2018-07-23 13:39:24,140 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 202 states. [2018-07-23 13:39:24,140 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 202 states to 202 states and 202 transitions. [2018-07-23 13:39:24,140 INFO L78 Accepts]: Start accepts. Automaton has 202 states and 202 transitions. Word has length 200 [2018-07-23 13:39:24,140 INFO L84 Accepts]: Finished accepts. word is rejected. [2018-07-23 13:39:24,140 INFO L471 AbstractCegarLoop]: Abstraction has 202 states and 202 transitions. [2018-07-23 13:39:24,140 INFO L472 AbstractCegarLoop]: Interpolant automaton has 200 states. [2018-07-23 13:39:24,140 INFO L276 IsEmpty]: Start isEmpty. Operand 202 states and 202 transitions. [2018-07-23 13:39:24,141 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 202 [2018-07-23 13:39:24,141 INFO L349 BasicCegarLoop]: Found error trace [2018-07-23 13:39:24,141 INFO L357 BasicCegarLoop]: trace histogram [198, 1, 1, 1] [2018-07-23 13:39:24,141 INFO L414 AbstractCegarLoop]: === Iteration 199 === [ULTIMATE.startErr0AssertViolationASSERT]=== [2018-07-23 13:39:24,141 INFO L82 PathProgramCache]: Analyzing trace with hash -1673930783, now seen corresponding path program 198 times [2018-07-23 13:39:24,141 INFO L69 tionRefinementEngine]: Using refinement strategy FixedRefinementStrategy [2018-07-23 13:39:24,308 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-07-23 13:39:25,188 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 13:39:25,188 INFO L309 seRefinementStrategy]: Constructing automaton from 0 perfect and 1 imperfect interpolant sequences. [2018-07-23 13:39:25,189 INFO L324 seRefinementStrategy]: Number of different interpolants: perfect sequences [] imperfect sequences [200] total 200 [2018-07-23 13:39:25,189 INFO L142 lantAutomatonBuilder]: Constructing canonical interpolant automaton, with selfloop in false state [2018-07-23 13:39:25,189 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 13:39:25,189 INFO L185 omatonBuilderFactory]: Interpolants [102913#(<= ULTIMATE.start_main_~i~4 80), 102912#(<= ULTIMATE.start_main_~i~4 78), 102915#(<= ULTIMATE.start_main_~i~4 84), 102914#(<= ULTIMATE.start_main_~i~4 82), 102917#(<= ULTIMATE.start_main_~i~4 88), 102916#(<= ULTIMATE.start_main_~i~4 86), 102919#(<= ULTIMATE.start_main_~i~4 92), 102918#(<= ULTIMATE.start_main_~i~4 90), 102921#(<= ULTIMATE.start_main_~i~4 96), 102920#(<= ULTIMATE.start_main_~i~4 94), 102923#(<= ULTIMATE.start_main_~i~4 100), 102922#(<= ULTIMATE.start_main_~i~4 98), 102925#(<= ULTIMATE.start_main_~i~4 104), 102924#(<= ULTIMATE.start_main_~i~4 102), 102927#(<= ULTIMATE.start_main_~i~4 108), 102926#(<= ULTIMATE.start_main_~i~4 106), 102929#(<= ULTIMATE.start_main_~i~4 112), 102928#(<= ULTIMATE.start_main_~i~4 110), 102931#(<= ULTIMATE.start_main_~i~4 116), 102930#(<= ULTIMATE.start_main_~i~4 114), 102933#(<= ULTIMATE.start_main_~i~4 120), 102932#(<= ULTIMATE.start_main_~i~4 118), 102935#(<= ULTIMATE.start_main_~i~4 124), 102934#(<= ULTIMATE.start_main_~i~4 122), 102937#(<= ULTIMATE.start_main_~i~4 128), 102936#(<= ULTIMATE.start_main_~i~4 126), 102939#(<= ULTIMATE.start_main_~i~4 132), 102938#(<= ULTIMATE.start_main_~i~4 130), 102941#(<= ULTIMATE.start_main_~i~4 136), 102940#(<= ULTIMATE.start_main_~i~4 134), 102943#(<= ULTIMATE.start_main_~i~4 140), 102942#(<= ULTIMATE.start_main_~i~4 138), 102945#(<= ULTIMATE.start_main_~i~4 144), 102944#(<= ULTIMATE.start_main_~i~4 142), 102947#(<= ULTIMATE.start_main_~i~4 148), 102946#(<= ULTIMATE.start_main_~i~4 146), 102949#(<= ULTIMATE.start_main_~i~4 152), 102948#(<= ULTIMATE.start_main_~i~4 150), 102951#(<= ULTIMATE.start_main_~i~4 156), 102950#(<= ULTIMATE.start_main_~i~4 154), 102953#(<= ULTIMATE.start_main_~i~4 160), 102952#(<= ULTIMATE.start_main_~i~4 158), 102955#(<= ULTIMATE.start_main_~i~4 164), 102954#(<= ULTIMATE.start_main_~i~4 162), 102957#(<= ULTIMATE.start_main_~i~4 168), 102956#(<= ULTIMATE.start_main_~i~4 166), 102959#(<= ULTIMATE.start_main_~i~4 172), 102958#(<= ULTIMATE.start_main_~i~4 170), 102961#(<= ULTIMATE.start_main_~i~4 176), 102960#(<= ULTIMATE.start_main_~i~4 174), 102963#(<= ULTIMATE.start_main_~i~4 180), 102962#(<= ULTIMATE.start_main_~i~4 178), 102965#(<= ULTIMATE.start_main_~i~4 184), 102964#(<= ULTIMATE.start_main_~i~4 182), 102967#(<= ULTIMATE.start_main_~i~4 188), 102966#(<= ULTIMATE.start_main_~i~4 186), 102969#(<= ULTIMATE.start_main_~i~4 192), 102968#(<= ULTIMATE.start_main_~i~4 190), 102971#(<= ULTIMATE.start_main_~i~4 196), 102970#(<= ULTIMATE.start_main_~i~4 194), 102973#(<= ULTIMATE.start_main_~i~4 200), 102972#(<= ULTIMATE.start_main_~i~4 198), 102975#(<= ULTIMATE.start_main_~i~4 204), 102974#(<= ULTIMATE.start_main_~i~4 202), 102977#(<= ULTIMATE.start_main_~i~4 208), 102976#(<= ULTIMATE.start_main_~i~4 206), 102979#(<= ULTIMATE.start_main_~i~4 212), 102978#(<= ULTIMATE.start_main_~i~4 210), 102981#(<= ULTIMATE.start_main_~i~4 216), 102980#(<= ULTIMATE.start_main_~i~4 214), 102983#(<= ULTIMATE.start_main_~i~4 220), 102982#(<= ULTIMATE.start_main_~i~4 218), 102985#(<= ULTIMATE.start_main_~i~4 224), 102984#(<= ULTIMATE.start_main_~i~4 222), 102987#(<= ULTIMATE.start_main_~i~4 228), 102986#(<= ULTIMATE.start_main_~i~4 226), 102989#(<= ULTIMATE.start_main_~i~4 232), 102988#(<= ULTIMATE.start_main_~i~4 230), 102991#(<= ULTIMATE.start_main_~i~4 236), 102990#(<= ULTIMATE.start_main_~i~4 234), 102993#(<= ULTIMATE.start_main_~i~4 240), 102992#(<= ULTIMATE.start_main_~i~4 238), 102995#(<= ULTIMATE.start_main_~i~4 244), 102994#(<= ULTIMATE.start_main_~i~4 242), 102997#(<= ULTIMATE.start_main_~i~4 248), 102996#(<= ULTIMATE.start_main_~i~4 246), 102999#(<= ULTIMATE.start_main_~i~4 252), 102998#(<= ULTIMATE.start_main_~i~4 250), 103001#(<= ULTIMATE.start_main_~i~4 256), 103000#(<= ULTIMATE.start_main_~i~4 254), 103003#(<= ULTIMATE.start_main_~i~4 260), 103002#(<= ULTIMATE.start_main_~i~4 258), 103005#(<= ULTIMATE.start_main_~i~4 264), 103004#(<= ULTIMATE.start_main_~i~4 262), 103007#(<= ULTIMATE.start_main_~i~4 268), 103006#(<= ULTIMATE.start_main_~i~4 266), 103009#(<= ULTIMATE.start_main_~i~4 272), 103008#(<= ULTIMATE.start_main_~i~4 270), 103011#(<= ULTIMATE.start_main_~i~4 276), 103010#(<= ULTIMATE.start_main_~i~4 274), 103013#(<= ULTIMATE.start_main_~i~4 280), 103012#(<= ULTIMATE.start_main_~i~4 278), 103015#(<= ULTIMATE.start_main_~i~4 284), 103014#(<= ULTIMATE.start_main_~i~4 282), 103017#(<= ULTIMATE.start_main_~i~4 288), 103016#(<= ULTIMATE.start_main_~i~4 286), 103019#(<= ULTIMATE.start_main_~i~4 292), 103018#(<= ULTIMATE.start_main_~i~4 290), 103021#(<= ULTIMATE.start_main_~i~4 296), 103020#(<= ULTIMATE.start_main_~i~4 294), 103023#(<= ULTIMATE.start_main_~i~4 300), 103022#(<= ULTIMATE.start_main_~i~4 298), 103025#(<= ULTIMATE.start_main_~i~4 304), 103024#(<= ULTIMATE.start_main_~i~4 302), 103027#(<= ULTIMATE.start_main_~i~4 308), 103026#(<= ULTIMATE.start_main_~i~4 306), 103029#(<= ULTIMATE.start_main_~i~4 312), 103028#(<= ULTIMATE.start_main_~i~4 310), 103031#(<= ULTIMATE.start_main_~i~4 316), 103030#(<= ULTIMATE.start_main_~i~4 314), 103033#(<= ULTIMATE.start_main_~i~4 320), 103032#(<= ULTIMATE.start_main_~i~4 318), 103035#(<= ULTIMATE.start_main_~i~4 324), 103034#(<= ULTIMATE.start_main_~i~4 322), 103037#(<= ULTIMATE.start_main_~i~4 328), 103036#(<= ULTIMATE.start_main_~i~4 326), 103039#(<= ULTIMATE.start_main_~i~4 332), 103038#(<= ULTIMATE.start_main_~i~4 330), 103041#(<= ULTIMATE.start_main_~i~4 336), 103040#(<= ULTIMATE.start_main_~i~4 334), 103043#(<= ULTIMATE.start_main_~i~4 340), 103042#(<= ULTIMATE.start_main_~i~4 338), 103045#(<= ULTIMATE.start_main_~i~4 344), 103044#(<= ULTIMATE.start_main_~i~4 342), 103047#(<= ULTIMATE.start_main_~i~4 348), 103046#(<= ULTIMATE.start_main_~i~4 346), 103049#(<= ULTIMATE.start_main_~i~4 352), 103048#(<= ULTIMATE.start_main_~i~4 350), 103051#(<= ULTIMATE.start_main_~i~4 356), 103050#(<= ULTIMATE.start_main_~i~4 354), 103053#(<= ULTIMATE.start_main_~i~4 360), 103052#(<= ULTIMATE.start_main_~i~4 358), 103055#(<= ULTIMATE.start_main_~i~4 364), 103054#(<= ULTIMATE.start_main_~i~4 362), 103057#(<= ULTIMATE.start_main_~i~4 368), 103056#(<= ULTIMATE.start_main_~i~4 366), 103059#(<= ULTIMATE.start_main_~i~4 372), 103058#(<= ULTIMATE.start_main_~i~4 370), 103061#(<= ULTIMATE.start_main_~i~4 376), 103060#(<= ULTIMATE.start_main_~i~4 374), 103063#(<= ULTIMATE.start_main_~i~4 380), 103062#(<= ULTIMATE.start_main_~i~4 378), 103065#(<= ULTIMATE.start_main_~i~4 384), 103064#(<= ULTIMATE.start_main_~i~4 382), 103067#(<= ULTIMATE.start_main_~i~4 388), 103066#(<= ULTIMATE.start_main_~i~4 386), 103069#(<= ULTIMATE.start_main_~i~4 392), 103068#(<= ULTIMATE.start_main_~i~4 390), 103071#(<= ULTIMATE.start_main_~i~4 396), 103070#(<= ULTIMATE.start_main_~i~4 394), 102871#true, 102873#(<= ULTIMATE.start_main_~i~4 0), 102872#false, 102875#(<= ULTIMATE.start_main_~i~4 4), 102874#(<= ULTIMATE.start_main_~i~4 2), 102877#(<= ULTIMATE.start_main_~i~4 8), 102876#(<= ULTIMATE.start_main_~i~4 6), 102879#(<= ULTIMATE.start_main_~i~4 12), 102878#(<= ULTIMATE.start_main_~i~4 10), 102881#(<= ULTIMATE.start_main_~i~4 16), 102880#(<= ULTIMATE.start_main_~i~4 14), 102883#(<= ULTIMATE.start_main_~i~4 20), 102882#(<= ULTIMATE.start_main_~i~4 18), 102885#(<= ULTIMATE.start_main_~i~4 24), 102884#(<= ULTIMATE.start_main_~i~4 22), 102887#(<= ULTIMATE.start_main_~i~4 28), 102886#(<= ULTIMATE.start_main_~i~4 26), 102889#(<= ULTIMATE.start_main_~i~4 32), 102888#(<= ULTIMATE.start_main_~i~4 30), 102891#(<= ULTIMATE.start_main_~i~4 36), 102890#(<= ULTIMATE.start_main_~i~4 34), 102893#(<= ULTIMATE.start_main_~i~4 40), 102892#(<= ULTIMATE.start_main_~i~4 38), 102895#(<= ULTIMATE.start_main_~i~4 44), 102894#(<= ULTIMATE.start_main_~i~4 42), 102897#(<= ULTIMATE.start_main_~i~4 48), 102896#(<= ULTIMATE.start_main_~i~4 46), 102899#(<= ULTIMATE.start_main_~i~4 52), 102898#(<= ULTIMATE.start_main_~i~4 50), 102901#(<= ULTIMATE.start_main_~i~4 56), 102900#(<= ULTIMATE.start_main_~i~4 54), 102903#(<= ULTIMATE.start_main_~i~4 60), 102902#(<= ULTIMATE.start_main_~i~4 58), 102905#(<= ULTIMATE.start_main_~i~4 64), 102904#(<= ULTIMATE.start_main_~i~4 62), 102907#(<= ULTIMATE.start_main_~i~4 68), 102906#(<= ULTIMATE.start_main_~i~4 66), 102909#(<= ULTIMATE.start_main_~i~4 72), 102908#(<= ULTIMATE.start_main_~i~4 70), 102911#(<= ULTIMATE.start_main_~i~4 76), 102910#(<= ULTIMATE.start_main_~i~4 74)] [2018-07-23 13:39:25,190 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 13:39:25,191 INFO L450 AbstractCegarLoop]: Interpolant automaton has 201 states [2018-07-23 13:39:25,193 INFO L132 InterpolantAutomaton]: Constructing interpolant automaton starting with 201 interpolants. [2018-07-23 13:39:25,195 INFO L133 InterpolantAutomaton]: CoverageRelationStatistics Valid=20100, Invalid=20100, Unknown=0, NotChecked=0, Total=40200 [2018-07-23 13:39:25,195 INFO L87 Difference]: Start difference. First operand 202 states and 202 transitions. Second operand 201 states. [2018-07-23 13:39:25,952 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2018-07-23 13:39:25,952 INFO L93 Difference]: Finished difference Result 205 states and 205 transitions. [2018-07-23 13:39:25,952 INFO L142 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 201 states. [2018-07-23 13:39:25,952 INFO L78 Accepts]: Start accepts. Automaton has 201 states. Word has length 201 [2018-07-23 13:39:25,952 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2018-07-23 13:39:25,952 INFO L225 Difference]: With dead ends: 205 [2018-07-23 13:39:25,952 INFO L226 Difference]: Without dead ends: 203 [2018-07-23 13:39:25,954 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 13:39:25,954 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 203 states. [2018-07-23 13:39:25,956 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 203 to 203. [2018-07-23 13:39:25,956 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 203 states. [2018-07-23 13:39:25,956 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 203 states to 203 states and 203 transitions. [2018-07-23 13:39:25,957 INFO L78 Accepts]: Start accepts. Automaton has 203 states and 203 transitions. Word has length 201 [2018-07-23 13:39:25,957 INFO L84 Accepts]: Finished accepts. word is rejected. [2018-07-23 13:39:25,957 INFO L471 AbstractCegarLoop]: Abstraction has 203 states and 203 transitions. [2018-07-23 13:39:25,957 INFO L472 AbstractCegarLoop]: Interpolant automaton has 201 states. [2018-07-23 13:39:25,957 INFO L276 IsEmpty]: Start isEmpty. Operand 203 states and 203 transitions. [2018-07-23 13:39:25,957 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 203 [2018-07-23 13:39:25,957 INFO L349 BasicCegarLoop]: Found error trace [2018-07-23 13:39:25,957 INFO L357 BasicCegarLoop]: trace histogram [199, 1, 1, 1] [2018-07-23 13:39:25,958 INFO L414 AbstractCegarLoop]: === Iteration 200 === [ULTIMATE.startErr0AssertViolationASSERT]=== [2018-07-23 13:39:25,958 INFO L82 PathProgramCache]: Analyzing trace with hash -352248696, now seen corresponding path program 199 times [2018-07-23 13:39:25,958 INFO L69 tionRefinementEngine]: Using refinement strategy FixedRefinementStrategy [2018-07-23 13:39:26,124 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-07-23 13:39:27,000 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 13:39:27,001 INFO L309 seRefinementStrategy]: Constructing automaton from 0 perfect and 1 imperfect interpolant sequences. [2018-07-23 13:39:27,001 INFO L324 seRefinementStrategy]: Number of different interpolants: perfect sequences [] imperfect sequences [201] total 201 [2018-07-23 13:39:27,001 INFO L142 lantAutomatonBuilder]: Constructing canonical interpolant automaton, with selfloop in false state [2018-07-23 13:39:27,001 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 13:39:27,001 INFO L185 omatonBuilderFactory]: Interpolants [103937#(<= ULTIMATE.start_main_~i~4 94), 103936#(<= ULTIMATE.start_main_~i~4 92), 103939#(<= ULTIMATE.start_main_~i~4 98), 103938#(<= ULTIMATE.start_main_~i~4 96), 103941#(<= ULTIMATE.start_main_~i~4 102), 103940#(<= ULTIMATE.start_main_~i~4 100), 103943#(<= ULTIMATE.start_main_~i~4 106), 103942#(<= ULTIMATE.start_main_~i~4 104), 103945#(<= ULTIMATE.start_main_~i~4 110), 103944#(<= ULTIMATE.start_main_~i~4 108), 103947#(<= ULTIMATE.start_main_~i~4 114), 103946#(<= ULTIMATE.start_main_~i~4 112), 103949#(<= ULTIMATE.start_main_~i~4 118), 103948#(<= ULTIMATE.start_main_~i~4 116), 103951#(<= ULTIMATE.start_main_~i~4 122), 103950#(<= ULTIMATE.start_main_~i~4 120), 103953#(<= ULTIMATE.start_main_~i~4 126), 103952#(<= ULTIMATE.start_main_~i~4 124), 103955#(<= ULTIMATE.start_main_~i~4 130), 103954#(<= ULTIMATE.start_main_~i~4 128), 103957#(<= ULTIMATE.start_main_~i~4 134), 103956#(<= ULTIMATE.start_main_~i~4 132), 103959#(<= ULTIMATE.start_main_~i~4 138), 103958#(<= ULTIMATE.start_main_~i~4 136), 103961#(<= ULTIMATE.start_main_~i~4 142), 103960#(<= ULTIMATE.start_main_~i~4 140), 103963#(<= ULTIMATE.start_main_~i~4 146), 103962#(<= ULTIMATE.start_main_~i~4 144), 103965#(<= ULTIMATE.start_main_~i~4 150), 103964#(<= ULTIMATE.start_main_~i~4 148), 103967#(<= ULTIMATE.start_main_~i~4 154), 103966#(<= ULTIMATE.start_main_~i~4 152), 103969#(<= ULTIMATE.start_main_~i~4 158), 103968#(<= ULTIMATE.start_main_~i~4 156), 103971#(<= ULTIMATE.start_main_~i~4 162), 103970#(<= ULTIMATE.start_main_~i~4 160), 103973#(<= ULTIMATE.start_main_~i~4 166), 103972#(<= ULTIMATE.start_main_~i~4 164), 103975#(<= ULTIMATE.start_main_~i~4 170), 103974#(<= ULTIMATE.start_main_~i~4 168), 103977#(<= ULTIMATE.start_main_~i~4 174), 103976#(<= ULTIMATE.start_main_~i~4 172), 103979#(<= ULTIMATE.start_main_~i~4 178), 103978#(<= ULTIMATE.start_main_~i~4 176), 103981#(<= ULTIMATE.start_main_~i~4 182), 103980#(<= ULTIMATE.start_main_~i~4 180), 103983#(<= ULTIMATE.start_main_~i~4 186), 103982#(<= ULTIMATE.start_main_~i~4 184), 103985#(<= ULTIMATE.start_main_~i~4 190), 103984#(<= ULTIMATE.start_main_~i~4 188), 103987#(<= ULTIMATE.start_main_~i~4 194), 103986#(<= ULTIMATE.start_main_~i~4 192), 103989#(<= ULTIMATE.start_main_~i~4 198), 103988#(<= ULTIMATE.start_main_~i~4 196), 103991#(<= ULTIMATE.start_main_~i~4 202), 103990#(<= ULTIMATE.start_main_~i~4 200), 103993#(<= ULTIMATE.start_main_~i~4 206), 103992#(<= ULTIMATE.start_main_~i~4 204), 103995#(<= ULTIMATE.start_main_~i~4 210), 103994#(<= ULTIMATE.start_main_~i~4 208), 103997#(<= ULTIMATE.start_main_~i~4 214), 103996#(<= ULTIMATE.start_main_~i~4 212), 103999#(<= ULTIMATE.start_main_~i~4 218), 103998#(<= ULTIMATE.start_main_~i~4 216), 104001#(<= ULTIMATE.start_main_~i~4 222), 104000#(<= ULTIMATE.start_main_~i~4 220), 104003#(<= ULTIMATE.start_main_~i~4 226), 104002#(<= ULTIMATE.start_main_~i~4 224), 104005#(<= ULTIMATE.start_main_~i~4 230), 104004#(<= ULTIMATE.start_main_~i~4 228), 104007#(<= ULTIMATE.start_main_~i~4 234), 104006#(<= ULTIMATE.start_main_~i~4 232), 104009#(<= ULTIMATE.start_main_~i~4 238), 104008#(<= ULTIMATE.start_main_~i~4 236), 104011#(<= ULTIMATE.start_main_~i~4 242), 104010#(<= ULTIMATE.start_main_~i~4 240), 104013#(<= ULTIMATE.start_main_~i~4 246), 104012#(<= ULTIMATE.start_main_~i~4 244), 104015#(<= ULTIMATE.start_main_~i~4 250), 104014#(<= ULTIMATE.start_main_~i~4 248), 104017#(<= ULTIMATE.start_main_~i~4 254), 104016#(<= ULTIMATE.start_main_~i~4 252), 104019#(<= ULTIMATE.start_main_~i~4 258), 104018#(<= ULTIMATE.start_main_~i~4 256), 104021#(<= ULTIMATE.start_main_~i~4 262), 104020#(<= ULTIMATE.start_main_~i~4 260), 104023#(<= ULTIMATE.start_main_~i~4 266), 104022#(<= ULTIMATE.start_main_~i~4 264), 104025#(<= ULTIMATE.start_main_~i~4 270), 104024#(<= ULTIMATE.start_main_~i~4 268), 104027#(<= ULTIMATE.start_main_~i~4 274), 104026#(<= ULTIMATE.start_main_~i~4 272), 104029#(<= ULTIMATE.start_main_~i~4 278), 104028#(<= ULTIMATE.start_main_~i~4 276), 104031#(<= ULTIMATE.start_main_~i~4 282), 104030#(<= ULTIMATE.start_main_~i~4 280), 104033#(<= ULTIMATE.start_main_~i~4 286), 104032#(<= ULTIMATE.start_main_~i~4 284), 104035#(<= ULTIMATE.start_main_~i~4 290), 104034#(<= ULTIMATE.start_main_~i~4 288), 104037#(<= ULTIMATE.start_main_~i~4 294), 104036#(<= ULTIMATE.start_main_~i~4 292), 104039#(<= ULTIMATE.start_main_~i~4 298), 104038#(<= ULTIMATE.start_main_~i~4 296), 104041#(<= ULTIMATE.start_main_~i~4 302), 104040#(<= ULTIMATE.start_main_~i~4 300), 104043#(<= ULTIMATE.start_main_~i~4 306), 104042#(<= ULTIMATE.start_main_~i~4 304), 104045#(<= ULTIMATE.start_main_~i~4 310), 104044#(<= ULTIMATE.start_main_~i~4 308), 104047#(<= ULTIMATE.start_main_~i~4 314), 104046#(<= ULTIMATE.start_main_~i~4 312), 104049#(<= ULTIMATE.start_main_~i~4 318), 104048#(<= ULTIMATE.start_main_~i~4 316), 104051#(<= ULTIMATE.start_main_~i~4 322), 104050#(<= ULTIMATE.start_main_~i~4 320), 104053#(<= ULTIMATE.start_main_~i~4 326), 104052#(<= ULTIMATE.start_main_~i~4 324), 104055#(<= ULTIMATE.start_main_~i~4 330), 104054#(<= ULTIMATE.start_main_~i~4 328), 104057#(<= ULTIMATE.start_main_~i~4 334), 104056#(<= ULTIMATE.start_main_~i~4 332), 104059#(<= ULTIMATE.start_main_~i~4 338), 104058#(<= ULTIMATE.start_main_~i~4 336), 104061#(<= ULTIMATE.start_main_~i~4 342), 104060#(<= ULTIMATE.start_main_~i~4 340), 104063#(<= ULTIMATE.start_main_~i~4 346), 104062#(<= ULTIMATE.start_main_~i~4 344), 104065#(<= ULTIMATE.start_main_~i~4 350), 104064#(<= ULTIMATE.start_main_~i~4 348), 104067#(<= ULTIMATE.start_main_~i~4 354), 104066#(<= ULTIMATE.start_main_~i~4 352), 104069#(<= ULTIMATE.start_main_~i~4 358), 104068#(<= ULTIMATE.start_main_~i~4 356), 104071#(<= ULTIMATE.start_main_~i~4 362), 104070#(<= ULTIMATE.start_main_~i~4 360), 104073#(<= ULTIMATE.start_main_~i~4 366), 104072#(<= ULTIMATE.start_main_~i~4 364), 104075#(<= ULTIMATE.start_main_~i~4 370), 104074#(<= ULTIMATE.start_main_~i~4 368), 104077#(<= ULTIMATE.start_main_~i~4 374), 104076#(<= ULTIMATE.start_main_~i~4 372), 104079#(<= ULTIMATE.start_main_~i~4 378), 104078#(<= ULTIMATE.start_main_~i~4 376), 104081#(<= ULTIMATE.start_main_~i~4 382), 104080#(<= ULTIMATE.start_main_~i~4 380), 104083#(<= ULTIMATE.start_main_~i~4 386), 104082#(<= ULTIMATE.start_main_~i~4 384), 104085#(<= ULTIMATE.start_main_~i~4 390), 104084#(<= ULTIMATE.start_main_~i~4 388), 104087#(<= ULTIMATE.start_main_~i~4 394), 104086#(<= ULTIMATE.start_main_~i~4 392), 104089#(<= ULTIMATE.start_main_~i~4 398), 104088#(<= ULTIMATE.start_main_~i~4 396), 103889#false, 103888#true, 103891#(<= ULTIMATE.start_main_~i~4 2), 103890#(<= ULTIMATE.start_main_~i~4 0), 103893#(<= ULTIMATE.start_main_~i~4 6), 103892#(<= ULTIMATE.start_main_~i~4 4), 103895#(<= ULTIMATE.start_main_~i~4 10), 103894#(<= ULTIMATE.start_main_~i~4 8), 103897#(<= ULTIMATE.start_main_~i~4 14), 103896#(<= ULTIMATE.start_main_~i~4 12), 103899#(<= ULTIMATE.start_main_~i~4 18), 103898#(<= ULTIMATE.start_main_~i~4 16), 103901#(<= ULTIMATE.start_main_~i~4 22), 103900#(<= ULTIMATE.start_main_~i~4 20), 103903#(<= ULTIMATE.start_main_~i~4 26), 103902#(<= ULTIMATE.start_main_~i~4 24), 103905#(<= ULTIMATE.start_main_~i~4 30), 103904#(<= ULTIMATE.start_main_~i~4 28), 103907#(<= ULTIMATE.start_main_~i~4 34), 103906#(<= ULTIMATE.start_main_~i~4 32), 103909#(<= ULTIMATE.start_main_~i~4 38), 103908#(<= ULTIMATE.start_main_~i~4 36), 103911#(<= ULTIMATE.start_main_~i~4 42), 103910#(<= ULTIMATE.start_main_~i~4 40), 103913#(<= ULTIMATE.start_main_~i~4 46), 103912#(<= ULTIMATE.start_main_~i~4 44), 103915#(<= ULTIMATE.start_main_~i~4 50), 103914#(<= ULTIMATE.start_main_~i~4 48), 103917#(<= ULTIMATE.start_main_~i~4 54), 103916#(<= ULTIMATE.start_main_~i~4 52), 103919#(<= ULTIMATE.start_main_~i~4 58), 103918#(<= ULTIMATE.start_main_~i~4 56), 103921#(<= ULTIMATE.start_main_~i~4 62), 103920#(<= ULTIMATE.start_main_~i~4 60), 103923#(<= ULTIMATE.start_main_~i~4 66), 103922#(<= ULTIMATE.start_main_~i~4 64), 103925#(<= ULTIMATE.start_main_~i~4 70), 103924#(<= ULTIMATE.start_main_~i~4 68), 103927#(<= ULTIMATE.start_main_~i~4 74), 103926#(<= ULTIMATE.start_main_~i~4 72), 103929#(<= ULTIMATE.start_main_~i~4 78), 103928#(<= ULTIMATE.start_main_~i~4 76), 103931#(<= ULTIMATE.start_main_~i~4 82), 103930#(<= ULTIMATE.start_main_~i~4 80), 103933#(<= ULTIMATE.start_main_~i~4 86), 103932#(<= ULTIMATE.start_main_~i~4 84), 103935#(<= ULTIMATE.start_main_~i~4 90), 103934#(<= ULTIMATE.start_main_~i~4 88)] [2018-07-23 13:39:27,003 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 13:39:27,003 INFO L450 AbstractCegarLoop]: Interpolant automaton has 202 states [2018-07-23 13:39:27,005 INFO L132 InterpolantAutomaton]: Constructing interpolant automaton starting with 202 interpolants. [2018-07-23 13:39:27,007 INFO L133 InterpolantAutomaton]: CoverageRelationStatistics Valid=20301, Invalid=20301, Unknown=0, NotChecked=0, Total=40602 [2018-07-23 13:39:27,007 INFO L87 Difference]: Start difference. First operand 203 states and 203 transitions. Second operand 202 states. [2018-07-23 13:39:27,708 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2018-07-23 13:39:27,708 INFO L93 Difference]: Finished difference Result 206 states and 206 transitions. [2018-07-23 13:39:27,708 INFO L142 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 202 states. [2018-07-23 13:39:27,709 INFO L78 Accepts]: Start accepts. Automaton has 202 states. Word has length 202 [2018-07-23 13:39:27,709 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2018-07-23 13:39:27,709 INFO L225 Difference]: With dead ends: 206 [2018-07-23 13:39:27,709 INFO L226 Difference]: Without dead ends: 204 [2018-07-23 13:39:27,711 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 13:39:27,711 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 204 states. [2018-07-23 13:39:27,713 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 204 to 204. [2018-07-23 13:39:27,713 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 204 states. [2018-07-23 13:39:27,713 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 204 states to 204 states and 204 transitions. [2018-07-23 13:39:27,713 INFO L78 Accepts]: Start accepts. Automaton has 204 states and 204 transitions. Word has length 202 [2018-07-23 13:39:27,713 INFO L84 Accepts]: Finished accepts. word is rejected. [2018-07-23 13:39:27,714 INFO L471 AbstractCegarLoop]: Abstraction has 204 states and 204 transitions. [2018-07-23 13:39:27,714 INFO L472 AbstractCegarLoop]: Interpolant automaton has 202 states. [2018-07-23 13:39:27,714 INFO L276 IsEmpty]: Start isEmpty. Operand 204 states and 204 transitions. [2018-07-23 13:39:27,714 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 204 [2018-07-23 13:39:27,714 INFO L349 BasicCegarLoop]: Found error trace [2018-07-23 13:39:27,714 INFO L357 BasicCegarLoop]: trace histogram [200, 1, 1, 1] [2018-07-23 13:39:27,715 INFO L414 AbstractCegarLoop]: === Iteration 201 === [ULTIMATE.startErr0AssertViolationASSERT]=== [2018-07-23 13:39:27,715 INFO L82 PathProgramCache]: Analyzing trace with hash 1965190337, now seen corresponding path program 200 times [2018-07-23 13:39:27,715 INFO L69 tionRefinementEngine]: Using refinement strategy FixedRefinementStrategy [2018-07-23 13:39:27,912 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-07-23 13:39:28,782 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 13:39:28,782 INFO L309 seRefinementStrategy]: Constructing automaton from 0 perfect and 1 imperfect interpolant sequences. [2018-07-23 13:39:28,782 INFO L324 seRefinementStrategy]: Number of different interpolants: perfect sequences [] imperfect sequences [202] total 202 [2018-07-23 13:39:28,782 INFO L142 lantAutomatonBuilder]: Constructing canonical interpolant automaton, with selfloop in false state [2018-07-23 13:39:28,783 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 13:39:28,783 INFO L185 omatonBuilderFactory]: Interpolants [104961#(<= ULTIMATE.start_main_~i~4 98), 104960#(<= ULTIMATE.start_main_~i~4 96), 104963#(<= ULTIMATE.start_main_~i~4 102), 104962#(<= ULTIMATE.start_main_~i~4 100), 104965#(<= ULTIMATE.start_main_~i~4 106), 104964#(<= ULTIMATE.start_main_~i~4 104), 104967#(<= ULTIMATE.start_main_~i~4 110), 104966#(<= ULTIMATE.start_main_~i~4 108), 104969#(<= ULTIMATE.start_main_~i~4 114), 104968#(<= ULTIMATE.start_main_~i~4 112), 104971#(<= ULTIMATE.start_main_~i~4 118), 104970#(<= ULTIMATE.start_main_~i~4 116), 104973#(<= ULTIMATE.start_main_~i~4 122), 104972#(<= ULTIMATE.start_main_~i~4 120), 104975#(<= ULTIMATE.start_main_~i~4 126), 104974#(<= ULTIMATE.start_main_~i~4 124), 104977#(<= ULTIMATE.start_main_~i~4 130), 104976#(<= ULTIMATE.start_main_~i~4 128), 104979#(<= ULTIMATE.start_main_~i~4 134), 104978#(<= ULTIMATE.start_main_~i~4 132), 104981#(<= ULTIMATE.start_main_~i~4 138), 104980#(<= ULTIMATE.start_main_~i~4 136), 104983#(<= ULTIMATE.start_main_~i~4 142), 104982#(<= ULTIMATE.start_main_~i~4 140), 104985#(<= ULTIMATE.start_main_~i~4 146), 104984#(<= ULTIMATE.start_main_~i~4 144), 104987#(<= ULTIMATE.start_main_~i~4 150), 104986#(<= ULTIMATE.start_main_~i~4 148), 104989#(<= ULTIMATE.start_main_~i~4 154), 104988#(<= ULTIMATE.start_main_~i~4 152), 104991#(<= ULTIMATE.start_main_~i~4 158), 104990#(<= ULTIMATE.start_main_~i~4 156), 104993#(<= ULTIMATE.start_main_~i~4 162), 104992#(<= ULTIMATE.start_main_~i~4 160), 104995#(<= ULTIMATE.start_main_~i~4 166), 104994#(<= ULTIMATE.start_main_~i~4 164), 104997#(<= ULTIMATE.start_main_~i~4 170), 104996#(<= ULTIMATE.start_main_~i~4 168), 104999#(<= ULTIMATE.start_main_~i~4 174), 104998#(<= ULTIMATE.start_main_~i~4 172), 105001#(<= ULTIMATE.start_main_~i~4 178), 105000#(<= ULTIMATE.start_main_~i~4 176), 105003#(<= ULTIMATE.start_main_~i~4 182), 105002#(<= ULTIMATE.start_main_~i~4 180), 105005#(<= ULTIMATE.start_main_~i~4 186), 105004#(<= ULTIMATE.start_main_~i~4 184), 105007#(<= ULTIMATE.start_main_~i~4 190), 105006#(<= ULTIMATE.start_main_~i~4 188), 105009#(<= ULTIMATE.start_main_~i~4 194), 105008#(<= ULTIMATE.start_main_~i~4 192), 105011#(<= ULTIMATE.start_main_~i~4 198), 105010#(<= ULTIMATE.start_main_~i~4 196), 105013#(<= ULTIMATE.start_main_~i~4 202), 105012#(<= ULTIMATE.start_main_~i~4 200), 105015#(<= ULTIMATE.start_main_~i~4 206), 105014#(<= ULTIMATE.start_main_~i~4 204), 105017#(<= ULTIMATE.start_main_~i~4 210), 105016#(<= ULTIMATE.start_main_~i~4 208), 105019#(<= ULTIMATE.start_main_~i~4 214), 105018#(<= ULTIMATE.start_main_~i~4 212), 105021#(<= ULTIMATE.start_main_~i~4 218), 105020#(<= ULTIMATE.start_main_~i~4 216), 105023#(<= ULTIMATE.start_main_~i~4 222), 105022#(<= ULTIMATE.start_main_~i~4 220), 105025#(<= ULTIMATE.start_main_~i~4 226), 105024#(<= ULTIMATE.start_main_~i~4 224), 105027#(<= ULTIMATE.start_main_~i~4 230), 105026#(<= ULTIMATE.start_main_~i~4 228), 105029#(<= ULTIMATE.start_main_~i~4 234), 105028#(<= ULTIMATE.start_main_~i~4 232), 105031#(<= ULTIMATE.start_main_~i~4 238), 105030#(<= ULTIMATE.start_main_~i~4 236), 105033#(<= ULTIMATE.start_main_~i~4 242), 105032#(<= ULTIMATE.start_main_~i~4 240), 105035#(<= ULTIMATE.start_main_~i~4 246), 105034#(<= ULTIMATE.start_main_~i~4 244), 105037#(<= ULTIMATE.start_main_~i~4 250), 105036#(<= ULTIMATE.start_main_~i~4 248), 105039#(<= ULTIMATE.start_main_~i~4 254), 105038#(<= ULTIMATE.start_main_~i~4 252), 105041#(<= ULTIMATE.start_main_~i~4 258), 105040#(<= ULTIMATE.start_main_~i~4 256), 105043#(<= ULTIMATE.start_main_~i~4 262), 105042#(<= ULTIMATE.start_main_~i~4 260), 105045#(<= ULTIMATE.start_main_~i~4 266), 105044#(<= ULTIMATE.start_main_~i~4 264), 105047#(<= ULTIMATE.start_main_~i~4 270), 105046#(<= ULTIMATE.start_main_~i~4 268), 105049#(<= ULTIMATE.start_main_~i~4 274), 105048#(<= ULTIMATE.start_main_~i~4 272), 105051#(<= ULTIMATE.start_main_~i~4 278), 105050#(<= ULTIMATE.start_main_~i~4 276), 105053#(<= ULTIMATE.start_main_~i~4 282), 105052#(<= ULTIMATE.start_main_~i~4 280), 105055#(<= ULTIMATE.start_main_~i~4 286), 105054#(<= ULTIMATE.start_main_~i~4 284), 105057#(<= ULTIMATE.start_main_~i~4 290), 105056#(<= ULTIMATE.start_main_~i~4 288), 105059#(<= ULTIMATE.start_main_~i~4 294), 105058#(<= ULTIMATE.start_main_~i~4 292), 105061#(<= ULTIMATE.start_main_~i~4 298), 105060#(<= ULTIMATE.start_main_~i~4 296), 105063#(<= ULTIMATE.start_main_~i~4 302), 105062#(<= ULTIMATE.start_main_~i~4 300), 105065#(<= ULTIMATE.start_main_~i~4 306), 105064#(<= ULTIMATE.start_main_~i~4 304), 105067#(<= ULTIMATE.start_main_~i~4 310), 105066#(<= ULTIMATE.start_main_~i~4 308), 105069#(<= ULTIMATE.start_main_~i~4 314), 105068#(<= ULTIMATE.start_main_~i~4 312), 105071#(<= ULTIMATE.start_main_~i~4 318), 105070#(<= ULTIMATE.start_main_~i~4 316), 105073#(<= ULTIMATE.start_main_~i~4 322), 105072#(<= ULTIMATE.start_main_~i~4 320), 105075#(<= ULTIMATE.start_main_~i~4 326), 105074#(<= ULTIMATE.start_main_~i~4 324), 105077#(<= ULTIMATE.start_main_~i~4 330), 105076#(<= ULTIMATE.start_main_~i~4 328), 105079#(<= ULTIMATE.start_main_~i~4 334), 105078#(<= ULTIMATE.start_main_~i~4 332), 105081#(<= ULTIMATE.start_main_~i~4 338), 105080#(<= ULTIMATE.start_main_~i~4 336), 105083#(<= ULTIMATE.start_main_~i~4 342), 105082#(<= ULTIMATE.start_main_~i~4 340), 105085#(<= ULTIMATE.start_main_~i~4 346), 105084#(<= ULTIMATE.start_main_~i~4 344), 105087#(<= ULTIMATE.start_main_~i~4 350), 105086#(<= ULTIMATE.start_main_~i~4 348), 105089#(<= ULTIMATE.start_main_~i~4 354), 105088#(<= ULTIMATE.start_main_~i~4 352), 105091#(<= ULTIMATE.start_main_~i~4 358), 105090#(<= ULTIMATE.start_main_~i~4 356), 105093#(<= ULTIMATE.start_main_~i~4 362), 105092#(<= ULTIMATE.start_main_~i~4 360), 105095#(<= ULTIMATE.start_main_~i~4 366), 105094#(<= ULTIMATE.start_main_~i~4 364), 105097#(<= ULTIMATE.start_main_~i~4 370), 105096#(<= ULTIMATE.start_main_~i~4 368), 105099#(<= ULTIMATE.start_main_~i~4 374), 105098#(<= ULTIMATE.start_main_~i~4 372), 105101#(<= ULTIMATE.start_main_~i~4 378), 105100#(<= ULTIMATE.start_main_~i~4 376), 105103#(<= ULTIMATE.start_main_~i~4 382), 105102#(<= ULTIMATE.start_main_~i~4 380), 105105#(<= ULTIMATE.start_main_~i~4 386), 105104#(<= ULTIMATE.start_main_~i~4 384), 105107#(<= ULTIMATE.start_main_~i~4 390), 105106#(<= ULTIMATE.start_main_~i~4 388), 105109#(<= ULTIMATE.start_main_~i~4 394), 105108#(<= ULTIMATE.start_main_~i~4 392), 105111#(<= ULTIMATE.start_main_~i~4 398), 105110#(<= ULTIMATE.start_main_~i~4 396), 105112#(<= ULTIMATE.start_main_~i~4 400), 104911#false, 104910#true, 104913#(<= ULTIMATE.start_main_~i~4 2), 104912#(<= ULTIMATE.start_main_~i~4 0), 104915#(<= ULTIMATE.start_main_~i~4 6), 104914#(<= ULTIMATE.start_main_~i~4 4), 104917#(<= ULTIMATE.start_main_~i~4 10), 104916#(<= ULTIMATE.start_main_~i~4 8), 104919#(<= ULTIMATE.start_main_~i~4 14), 104918#(<= ULTIMATE.start_main_~i~4 12), 104921#(<= ULTIMATE.start_main_~i~4 18), 104920#(<= ULTIMATE.start_main_~i~4 16), 104923#(<= ULTIMATE.start_main_~i~4 22), 104922#(<= ULTIMATE.start_main_~i~4 20), 104925#(<= ULTIMATE.start_main_~i~4 26), 104924#(<= ULTIMATE.start_main_~i~4 24), 104927#(<= ULTIMATE.start_main_~i~4 30), 104926#(<= ULTIMATE.start_main_~i~4 28), 104929#(<= ULTIMATE.start_main_~i~4 34), 104928#(<= ULTIMATE.start_main_~i~4 32), 104931#(<= ULTIMATE.start_main_~i~4 38), 104930#(<= ULTIMATE.start_main_~i~4 36), 104933#(<= ULTIMATE.start_main_~i~4 42), 104932#(<= ULTIMATE.start_main_~i~4 40), 104935#(<= ULTIMATE.start_main_~i~4 46), 104934#(<= ULTIMATE.start_main_~i~4 44), 104937#(<= ULTIMATE.start_main_~i~4 50), 104936#(<= ULTIMATE.start_main_~i~4 48), 104939#(<= ULTIMATE.start_main_~i~4 54), 104938#(<= ULTIMATE.start_main_~i~4 52), 104941#(<= ULTIMATE.start_main_~i~4 58), 104940#(<= ULTIMATE.start_main_~i~4 56), 104943#(<= ULTIMATE.start_main_~i~4 62), 104942#(<= ULTIMATE.start_main_~i~4 60), 104945#(<= ULTIMATE.start_main_~i~4 66), 104944#(<= ULTIMATE.start_main_~i~4 64), 104947#(<= ULTIMATE.start_main_~i~4 70), 104946#(<= ULTIMATE.start_main_~i~4 68), 104949#(<= ULTIMATE.start_main_~i~4 74), 104948#(<= ULTIMATE.start_main_~i~4 72), 104951#(<= ULTIMATE.start_main_~i~4 78), 104950#(<= ULTIMATE.start_main_~i~4 76), 104953#(<= ULTIMATE.start_main_~i~4 82), 104952#(<= ULTIMATE.start_main_~i~4 80), 104955#(<= ULTIMATE.start_main_~i~4 86), 104954#(<= ULTIMATE.start_main_~i~4 84), 104957#(<= ULTIMATE.start_main_~i~4 90), 104956#(<= ULTIMATE.start_main_~i~4 88), 104959#(<= ULTIMATE.start_main_~i~4 94), 104958#(<= ULTIMATE.start_main_~i~4 92)] [2018-07-23 13:39:28,784 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 13:39:28,784 INFO L450 AbstractCegarLoop]: Interpolant automaton has 203 states [2018-07-23 13:39:28,788 INFO L132 InterpolantAutomaton]: Constructing interpolant automaton starting with 203 interpolants. [2018-07-23 13:39:28,789 INFO L133 InterpolantAutomaton]: CoverageRelationStatistics Valid=20503, Invalid=20503, Unknown=0, NotChecked=0, Total=41006 [2018-07-23 13:39:28,789 INFO L87 Difference]: Start difference. First operand 204 states and 204 transitions. Second operand 203 states. [2018-07-23 13:39:29,493 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2018-07-23 13:39:29,493 INFO L93 Difference]: Finished difference Result 207 states and 207 transitions. [2018-07-23 13:39:29,493 INFO L142 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 203 states. [2018-07-23 13:39:29,493 INFO L78 Accepts]: Start accepts. Automaton has 203 states. Word has length 203 [2018-07-23 13:39:29,494 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2018-07-23 13:39:29,494 INFO L225 Difference]: With dead ends: 207 [2018-07-23 13:39:29,494 INFO L226 Difference]: Without dead ends: 205 [2018-07-23 13:39:29,496 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 13:39:29,496 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 205 states. [2018-07-23 13:39:29,498 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 205 to 205. [2018-07-23 13:39:29,498 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 205 states. [2018-07-23 13:39:29,498 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 205 states to 205 states and 205 transitions. [2018-07-23 13:39:29,498 INFO L78 Accepts]: Start accepts. Automaton has 205 states and 205 transitions. Word has length 203 [2018-07-23 13:39:29,498 INFO L84 Accepts]: Finished accepts. word is rejected. [2018-07-23 13:39:29,498 INFO L471 AbstractCegarLoop]: Abstraction has 205 states and 205 transitions. [2018-07-23 13:39:29,498 INFO L472 AbstractCegarLoop]: Interpolant automaton has 203 states. [2018-07-23 13:39:29,498 INFO L276 IsEmpty]: Start isEmpty. Operand 205 states and 205 transitions. [2018-07-23 13:39:29,499 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 205 [2018-07-23 13:39:29,499 INFO L349 BasicCegarLoop]: Found error trace [2018-07-23 13:39:29,499 INFO L357 BasicCegarLoop]: trace histogram [201, 1, 1, 1] [2018-07-23 13:39:29,499 INFO L414 AbstractCegarLoop]: === Iteration 202 === [ULTIMATE.startErr0AssertViolationASSERT]=== [2018-07-23 13:39:29,499 INFO L82 PathProgramCache]: Analyzing trace with hash 791356328, now seen corresponding path program 201 times [2018-07-23 13:39:29,499 INFO L69 tionRefinementEngine]: Using refinement strategy FixedRefinementStrategy [2018-07-23 13:39:29,687 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-07-23 13:39:30,595 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 13:39:30,596 INFO L309 seRefinementStrategy]: Constructing automaton from 0 perfect and 1 imperfect interpolant sequences. [2018-07-23 13:39:30,596 INFO L324 seRefinementStrategy]: Number of different interpolants: perfect sequences [] imperfect sequences [203] total 203 [2018-07-23 13:39:30,596 INFO L142 lantAutomatonBuilder]: Constructing canonical interpolant automaton, with selfloop in false state [2018-07-23 13:39:30,596 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2018-07-23 13:39:30,596 INFO L185 omatonBuilderFactory]: Interpolants [105985#(<= ULTIMATE.start_main_~i~4 92), 105984#(<= ULTIMATE.start_main_~i~4 90), 105987#(<= ULTIMATE.start_main_~i~4 96), 105986#(<= ULTIMATE.start_main_~i~4 94), 105989#(<= ULTIMATE.start_main_~i~4 100), 105988#(<= ULTIMATE.start_main_~i~4 98), 105991#(<= ULTIMATE.start_main_~i~4 104), 105990#(<= ULTIMATE.start_main_~i~4 102), 105993#(<= ULTIMATE.start_main_~i~4 108), 105992#(<= ULTIMATE.start_main_~i~4 106), 105995#(<= ULTIMATE.start_main_~i~4 112), 105994#(<= ULTIMATE.start_main_~i~4 110), 105997#(<= ULTIMATE.start_main_~i~4 116), 105996#(<= ULTIMATE.start_main_~i~4 114), 105999#(<= ULTIMATE.start_main_~i~4 120), 105998#(<= ULTIMATE.start_main_~i~4 118), 106001#(<= ULTIMATE.start_main_~i~4 124), 106000#(<= ULTIMATE.start_main_~i~4 122), 106003#(<= ULTIMATE.start_main_~i~4 128), 106002#(<= ULTIMATE.start_main_~i~4 126), 106005#(<= ULTIMATE.start_main_~i~4 132), 106004#(<= ULTIMATE.start_main_~i~4 130), 106007#(<= ULTIMATE.start_main_~i~4 136), 106006#(<= ULTIMATE.start_main_~i~4 134), 106009#(<= ULTIMATE.start_main_~i~4 140), 106008#(<= ULTIMATE.start_main_~i~4 138), 106011#(<= ULTIMATE.start_main_~i~4 144), 106010#(<= ULTIMATE.start_main_~i~4 142), 106013#(<= ULTIMATE.start_main_~i~4 148), 106012#(<= ULTIMATE.start_main_~i~4 146), 106015#(<= ULTIMATE.start_main_~i~4 152), 106014#(<= ULTIMATE.start_main_~i~4 150), 106017#(<= ULTIMATE.start_main_~i~4 156), 106016#(<= ULTIMATE.start_main_~i~4 154), 106019#(<= ULTIMATE.start_main_~i~4 160), 106018#(<= ULTIMATE.start_main_~i~4 158), 106021#(<= ULTIMATE.start_main_~i~4 164), 106020#(<= ULTIMATE.start_main_~i~4 162), 106023#(<= ULTIMATE.start_main_~i~4 168), 106022#(<= ULTIMATE.start_main_~i~4 166), 106025#(<= ULTIMATE.start_main_~i~4 172), 106024#(<= ULTIMATE.start_main_~i~4 170), 106027#(<= ULTIMATE.start_main_~i~4 176), 106026#(<= ULTIMATE.start_main_~i~4 174), 106029#(<= ULTIMATE.start_main_~i~4 180), 106028#(<= ULTIMATE.start_main_~i~4 178), 106031#(<= ULTIMATE.start_main_~i~4 184), 106030#(<= ULTIMATE.start_main_~i~4 182), 106033#(<= ULTIMATE.start_main_~i~4 188), 106032#(<= ULTIMATE.start_main_~i~4 186), 106035#(<= ULTIMATE.start_main_~i~4 192), 106034#(<= ULTIMATE.start_main_~i~4 190), 106037#(<= ULTIMATE.start_main_~i~4 196), 106036#(<= ULTIMATE.start_main_~i~4 194), 106039#(<= ULTIMATE.start_main_~i~4 200), 106038#(<= ULTIMATE.start_main_~i~4 198), 106041#(<= ULTIMATE.start_main_~i~4 204), 106040#(<= ULTIMATE.start_main_~i~4 202), 106043#(<= ULTIMATE.start_main_~i~4 208), 106042#(<= ULTIMATE.start_main_~i~4 206), 106045#(<= ULTIMATE.start_main_~i~4 212), 106044#(<= ULTIMATE.start_main_~i~4 210), 106047#(<= ULTIMATE.start_main_~i~4 216), 106046#(<= ULTIMATE.start_main_~i~4 214), 106049#(<= ULTIMATE.start_main_~i~4 220), 106048#(<= ULTIMATE.start_main_~i~4 218), 106051#(<= ULTIMATE.start_main_~i~4 224), 106050#(<= ULTIMATE.start_main_~i~4 222), 106053#(<= ULTIMATE.start_main_~i~4 228), 106052#(<= ULTIMATE.start_main_~i~4 226), 106055#(<= ULTIMATE.start_main_~i~4 232), 106054#(<= ULTIMATE.start_main_~i~4 230), 106057#(<= ULTIMATE.start_main_~i~4 236), 106056#(<= ULTIMATE.start_main_~i~4 234), 106059#(<= ULTIMATE.start_main_~i~4 240), 106058#(<= ULTIMATE.start_main_~i~4 238), 106061#(<= ULTIMATE.start_main_~i~4 244), 106060#(<= ULTIMATE.start_main_~i~4 242), 106063#(<= ULTIMATE.start_main_~i~4 248), 106062#(<= ULTIMATE.start_main_~i~4 246), 106065#(<= ULTIMATE.start_main_~i~4 252), 106064#(<= ULTIMATE.start_main_~i~4 250), 106067#(<= ULTIMATE.start_main_~i~4 256), 106066#(<= ULTIMATE.start_main_~i~4 254), 106069#(<= ULTIMATE.start_main_~i~4 260), 106068#(<= ULTIMATE.start_main_~i~4 258), 106071#(<= ULTIMATE.start_main_~i~4 264), 106070#(<= ULTIMATE.start_main_~i~4 262), 106073#(<= ULTIMATE.start_main_~i~4 268), 106072#(<= ULTIMATE.start_main_~i~4 266), 106075#(<= ULTIMATE.start_main_~i~4 272), 106074#(<= ULTIMATE.start_main_~i~4 270), 106077#(<= ULTIMATE.start_main_~i~4 276), 106076#(<= ULTIMATE.start_main_~i~4 274), 106079#(<= ULTIMATE.start_main_~i~4 280), 106078#(<= ULTIMATE.start_main_~i~4 278), 106081#(<= ULTIMATE.start_main_~i~4 284), 106080#(<= ULTIMATE.start_main_~i~4 282), 106083#(<= ULTIMATE.start_main_~i~4 288), 106082#(<= ULTIMATE.start_main_~i~4 286), 106085#(<= ULTIMATE.start_main_~i~4 292), 106084#(<= ULTIMATE.start_main_~i~4 290), 106087#(<= ULTIMATE.start_main_~i~4 296), 106086#(<= ULTIMATE.start_main_~i~4 294), 106089#(<= ULTIMATE.start_main_~i~4 300), 106088#(<= ULTIMATE.start_main_~i~4 298), 106091#(<= ULTIMATE.start_main_~i~4 304), 106090#(<= ULTIMATE.start_main_~i~4 302), 106093#(<= ULTIMATE.start_main_~i~4 308), 106092#(<= ULTIMATE.start_main_~i~4 306), 106095#(<= ULTIMATE.start_main_~i~4 312), 106094#(<= ULTIMATE.start_main_~i~4 310), 106097#(<= ULTIMATE.start_main_~i~4 316), 106096#(<= ULTIMATE.start_main_~i~4 314), 106099#(<= ULTIMATE.start_main_~i~4 320), 106098#(<= ULTIMATE.start_main_~i~4 318), 106101#(<= ULTIMATE.start_main_~i~4 324), 106100#(<= ULTIMATE.start_main_~i~4 322), 106103#(<= ULTIMATE.start_main_~i~4 328), 106102#(<= ULTIMATE.start_main_~i~4 326), 106105#(<= ULTIMATE.start_main_~i~4 332), 106104#(<= ULTIMATE.start_main_~i~4 330), 106107#(<= ULTIMATE.start_main_~i~4 336), 106106#(<= ULTIMATE.start_main_~i~4 334), 106109#(<= ULTIMATE.start_main_~i~4 340), 106108#(<= ULTIMATE.start_main_~i~4 338), 106111#(<= ULTIMATE.start_main_~i~4 344), 106110#(<= ULTIMATE.start_main_~i~4 342), 106113#(<= ULTIMATE.start_main_~i~4 348), 106112#(<= ULTIMATE.start_main_~i~4 346), 106115#(<= ULTIMATE.start_main_~i~4 352), 106114#(<= ULTIMATE.start_main_~i~4 350), 106117#(<= ULTIMATE.start_main_~i~4 356), 106116#(<= ULTIMATE.start_main_~i~4 354), 106119#(<= ULTIMATE.start_main_~i~4 360), 106118#(<= ULTIMATE.start_main_~i~4 358), 106121#(<= ULTIMATE.start_main_~i~4 364), 106120#(<= ULTIMATE.start_main_~i~4 362), 106123#(<= ULTIMATE.start_main_~i~4 368), 106122#(<= ULTIMATE.start_main_~i~4 366), 106125#(<= ULTIMATE.start_main_~i~4 372), 106124#(<= ULTIMATE.start_main_~i~4 370), 106127#(<= ULTIMATE.start_main_~i~4 376), 106126#(<= ULTIMATE.start_main_~i~4 374), 106129#(<= ULTIMATE.start_main_~i~4 380), 106128#(<= ULTIMATE.start_main_~i~4 378), 106131#(<= ULTIMATE.start_main_~i~4 384), 106130#(<= ULTIMATE.start_main_~i~4 382), 106133#(<= ULTIMATE.start_main_~i~4 388), 106132#(<= ULTIMATE.start_main_~i~4 386), 106135#(<= ULTIMATE.start_main_~i~4 392), 106134#(<= ULTIMATE.start_main_~i~4 390), 106137#(<= ULTIMATE.start_main_~i~4 396), 106136#(<= ULTIMATE.start_main_~i~4 394), 106139#(<= ULTIMATE.start_main_~i~4 400), 106138#(<= ULTIMATE.start_main_~i~4 398), 106140#(<= ULTIMATE.start_main_~i~4 402), 105937#true, 105939#(<= ULTIMATE.start_main_~i~4 0), 105938#false, 105941#(<= ULTIMATE.start_main_~i~4 4), 105940#(<= ULTIMATE.start_main_~i~4 2), 105943#(<= ULTIMATE.start_main_~i~4 8), 105942#(<= ULTIMATE.start_main_~i~4 6), 105945#(<= ULTIMATE.start_main_~i~4 12), 105944#(<= ULTIMATE.start_main_~i~4 10), 105947#(<= ULTIMATE.start_main_~i~4 16), 105946#(<= ULTIMATE.start_main_~i~4 14), 105949#(<= ULTIMATE.start_main_~i~4 20), 105948#(<= ULTIMATE.start_main_~i~4 18), 105951#(<= ULTIMATE.start_main_~i~4 24), 105950#(<= ULTIMATE.start_main_~i~4 22), 105953#(<= ULTIMATE.start_main_~i~4 28), 105952#(<= ULTIMATE.start_main_~i~4 26), 105955#(<= ULTIMATE.start_main_~i~4 32), 105954#(<= ULTIMATE.start_main_~i~4 30), 105957#(<= ULTIMATE.start_main_~i~4 36), 105956#(<= ULTIMATE.start_main_~i~4 34), 105959#(<= ULTIMATE.start_main_~i~4 40), 105958#(<= ULTIMATE.start_main_~i~4 38), 105961#(<= ULTIMATE.start_main_~i~4 44), 105960#(<= ULTIMATE.start_main_~i~4 42), 105963#(<= ULTIMATE.start_main_~i~4 48), 105962#(<= ULTIMATE.start_main_~i~4 46), 105965#(<= ULTIMATE.start_main_~i~4 52), 105964#(<= ULTIMATE.start_main_~i~4 50), 105967#(<= ULTIMATE.start_main_~i~4 56), 105966#(<= ULTIMATE.start_main_~i~4 54), 105969#(<= ULTIMATE.start_main_~i~4 60), 105968#(<= ULTIMATE.start_main_~i~4 58), 105971#(<= ULTIMATE.start_main_~i~4 64), 105970#(<= ULTIMATE.start_main_~i~4 62), 105973#(<= ULTIMATE.start_main_~i~4 68), 105972#(<= ULTIMATE.start_main_~i~4 66), 105975#(<= ULTIMATE.start_main_~i~4 72), 105974#(<= ULTIMATE.start_main_~i~4 70), 105977#(<= ULTIMATE.start_main_~i~4 76), 105976#(<= ULTIMATE.start_main_~i~4 74), 105979#(<= ULTIMATE.start_main_~i~4 80), 105978#(<= ULTIMATE.start_main_~i~4 78), 105981#(<= ULTIMATE.start_main_~i~4 84), 105980#(<= ULTIMATE.start_main_~i~4 82), 105983#(<= ULTIMATE.start_main_~i~4 88), 105982#(<= ULTIMATE.start_main_~i~4 86)] [2018-07-23 13:39:30,598 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 13:39:30,598 INFO L450 AbstractCegarLoop]: Interpolant automaton has 204 states [2018-07-23 13:39:30,602 INFO L132 InterpolantAutomaton]: Constructing interpolant automaton starting with 204 interpolants. [2018-07-23 13:39:30,604 INFO L133 InterpolantAutomaton]: CoverageRelationStatistics Valid=20706, Invalid=20706, Unknown=0, NotChecked=0, Total=41412 [2018-07-23 13:39:30,604 INFO L87 Difference]: Start difference. First operand 205 states and 205 transitions. Second operand 204 states. [2018-07-23 13:39:31,347 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2018-07-23 13:39:31,348 INFO L93 Difference]: Finished difference Result 208 states and 208 transitions. [2018-07-23 13:39:31,348 INFO L142 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 204 states. [2018-07-23 13:39:31,348 INFO L78 Accepts]: Start accepts. Automaton has 204 states. Word has length 204 [2018-07-23 13:39:31,348 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2018-07-23 13:39:31,348 INFO L225 Difference]: With dead ends: 208 [2018-07-23 13:39:31,348 INFO L226 Difference]: Without dead ends: 206 [2018-07-23 13:39:31,350 INFO L575 BasicCegarLoop]: 0 DeclaredPredicates, 203 GetRequests, 1 SyntacticMatches, 0 SemanticMatches, 202 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 0 ImplicationChecksByTransitivity, 0.8s TimeCoverageRelationStatistics Valid=20706, Invalid=20706, Unknown=0, NotChecked=0, Total=41412 [2018-07-23 13:39:31,350 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 206 states. [2018-07-23 13:39:31,352 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 206 to 206. [2018-07-23 13:39:31,352 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 206 states. [2018-07-23 13:39:31,352 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 206 states to 206 states and 206 transitions. [2018-07-23 13:39:31,352 INFO L78 Accepts]: Start accepts. Automaton has 206 states and 206 transitions. Word has length 204 [2018-07-23 13:39:31,353 INFO L84 Accepts]: Finished accepts. word is rejected. [2018-07-23 13:39:31,353 INFO L471 AbstractCegarLoop]: Abstraction has 206 states and 206 transitions. [2018-07-23 13:39:31,353 INFO L472 AbstractCegarLoop]: Interpolant automaton has 204 states. [2018-07-23 13:39:31,353 INFO L276 IsEmpty]: Start isEmpty. Operand 206 states and 206 transitions. [2018-07-23 13:39:31,353 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 206 [2018-07-23 13:39:31,353 INFO L349 BasicCegarLoop]: Found error trace [2018-07-23 13:39:31,353 INFO L357 BasicCegarLoop]: trace histogram [202, 1, 1, 1] [2018-07-23 13:39:31,353 INFO L414 AbstractCegarLoop]: === Iteration 203 === [ULTIMATE.startErr0AssertViolationASSERT]=== [2018-07-23 13:39:31,354 INFO L82 PathProgramCache]: Analyzing trace with hash -1237759583, now seen corresponding path program 202 times [2018-07-23 13:39:31,354 INFO L69 tionRefinementEngine]: Using refinement strategy FixedRefinementStrategy [2018-07-23 13:39:31,528 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-07-23 13:39:32,428 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 13:39:32,428 INFO L309 seRefinementStrategy]: Constructing automaton from 0 perfect and 1 imperfect interpolant sequences. [2018-07-23 13:39:32,429 INFO L324 seRefinementStrategy]: Number of different interpolants: perfect sequences [] imperfect sequences [204] total 204 [2018-07-23 13:39:32,429 INFO L142 lantAutomatonBuilder]: Constructing canonical interpolant automaton, with selfloop in false state [2018-07-23 13:39:32,429 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2018-07-23 13:39:32,429 INFO L185 omatonBuilderFactory]: Interpolants [107009#(<= ULTIMATE.start_main_~i~4 76), 107008#(<= ULTIMATE.start_main_~i~4 74), 107011#(<= ULTIMATE.start_main_~i~4 80), 107010#(<= ULTIMATE.start_main_~i~4 78), 107013#(<= ULTIMATE.start_main_~i~4 84), 107012#(<= ULTIMATE.start_main_~i~4 82), 107015#(<= ULTIMATE.start_main_~i~4 88), 107014#(<= ULTIMATE.start_main_~i~4 86), 107017#(<= ULTIMATE.start_main_~i~4 92), 107016#(<= ULTIMATE.start_main_~i~4 90), 107019#(<= ULTIMATE.start_main_~i~4 96), 107018#(<= ULTIMATE.start_main_~i~4 94), 107021#(<= ULTIMATE.start_main_~i~4 100), 107020#(<= ULTIMATE.start_main_~i~4 98), 107023#(<= ULTIMATE.start_main_~i~4 104), 107022#(<= ULTIMATE.start_main_~i~4 102), 107025#(<= ULTIMATE.start_main_~i~4 108), 107024#(<= ULTIMATE.start_main_~i~4 106), 107027#(<= ULTIMATE.start_main_~i~4 112), 107026#(<= ULTIMATE.start_main_~i~4 110), 107029#(<= ULTIMATE.start_main_~i~4 116), 107028#(<= ULTIMATE.start_main_~i~4 114), 107031#(<= ULTIMATE.start_main_~i~4 120), 107030#(<= ULTIMATE.start_main_~i~4 118), 107033#(<= ULTIMATE.start_main_~i~4 124), 107032#(<= ULTIMATE.start_main_~i~4 122), 107035#(<= ULTIMATE.start_main_~i~4 128), 107034#(<= ULTIMATE.start_main_~i~4 126), 107037#(<= ULTIMATE.start_main_~i~4 132), 107036#(<= ULTIMATE.start_main_~i~4 130), 107039#(<= ULTIMATE.start_main_~i~4 136), 107038#(<= ULTIMATE.start_main_~i~4 134), 107041#(<= ULTIMATE.start_main_~i~4 140), 107040#(<= ULTIMATE.start_main_~i~4 138), 107043#(<= ULTIMATE.start_main_~i~4 144), 107042#(<= ULTIMATE.start_main_~i~4 142), 107045#(<= ULTIMATE.start_main_~i~4 148), 107044#(<= ULTIMATE.start_main_~i~4 146), 107047#(<= ULTIMATE.start_main_~i~4 152), 107046#(<= ULTIMATE.start_main_~i~4 150), 107049#(<= ULTIMATE.start_main_~i~4 156), 107048#(<= ULTIMATE.start_main_~i~4 154), 107051#(<= ULTIMATE.start_main_~i~4 160), 107050#(<= ULTIMATE.start_main_~i~4 158), 107053#(<= ULTIMATE.start_main_~i~4 164), 107052#(<= ULTIMATE.start_main_~i~4 162), 107055#(<= ULTIMATE.start_main_~i~4 168), 107054#(<= ULTIMATE.start_main_~i~4 166), 107057#(<= ULTIMATE.start_main_~i~4 172), 107056#(<= ULTIMATE.start_main_~i~4 170), 107059#(<= ULTIMATE.start_main_~i~4 176), 107058#(<= ULTIMATE.start_main_~i~4 174), 107061#(<= ULTIMATE.start_main_~i~4 180), 107060#(<= ULTIMATE.start_main_~i~4 178), 107063#(<= ULTIMATE.start_main_~i~4 184), 107062#(<= ULTIMATE.start_main_~i~4 182), 107065#(<= ULTIMATE.start_main_~i~4 188), 107064#(<= ULTIMATE.start_main_~i~4 186), 107067#(<= ULTIMATE.start_main_~i~4 192), 107066#(<= ULTIMATE.start_main_~i~4 190), 107069#(<= ULTIMATE.start_main_~i~4 196), 107068#(<= ULTIMATE.start_main_~i~4 194), 107071#(<= ULTIMATE.start_main_~i~4 200), 107070#(<= ULTIMATE.start_main_~i~4 198), 107073#(<= ULTIMATE.start_main_~i~4 204), 107072#(<= ULTIMATE.start_main_~i~4 202), 107075#(<= ULTIMATE.start_main_~i~4 208), 107074#(<= ULTIMATE.start_main_~i~4 206), 107077#(<= ULTIMATE.start_main_~i~4 212), 107076#(<= ULTIMATE.start_main_~i~4 210), 107079#(<= ULTIMATE.start_main_~i~4 216), 107078#(<= ULTIMATE.start_main_~i~4 214), 107081#(<= ULTIMATE.start_main_~i~4 220), 107080#(<= ULTIMATE.start_main_~i~4 218), 107083#(<= ULTIMATE.start_main_~i~4 224), 107082#(<= ULTIMATE.start_main_~i~4 222), 107085#(<= ULTIMATE.start_main_~i~4 228), 107084#(<= ULTIMATE.start_main_~i~4 226), 107087#(<= ULTIMATE.start_main_~i~4 232), 107086#(<= ULTIMATE.start_main_~i~4 230), 107089#(<= ULTIMATE.start_main_~i~4 236), 107088#(<= ULTIMATE.start_main_~i~4 234), 107091#(<= ULTIMATE.start_main_~i~4 240), 107090#(<= ULTIMATE.start_main_~i~4 238), 107093#(<= ULTIMATE.start_main_~i~4 244), 107092#(<= ULTIMATE.start_main_~i~4 242), 107095#(<= ULTIMATE.start_main_~i~4 248), 107094#(<= ULTIMATE.start_main_~i~4 246), 107097#(<= ULTIMATE.start_main_~i~4 252), 107096#(<= ULTIMATE.start_main_~i~4 250), 107099#(<= ULTIMATE.start_main_~i~4 256), 107098#(<= ULTIMATE.start_main_~i~4 254), 107101#(<= ULTIMATE.start_main_~i~4 260), 107100#(<= ULTIMATE.start_main_~i~4 258), 107103#(<= ULTIMATE.start_main_~i~4 264), 107102#(<= ULTIMATE.start_main_~i~4 262), 107105#(<= ULTIMATE.start_main_~i~4 268), 107104#(<= ULTIMATE.start_main_~i~4 266), 107107#(<= ULTIMATE.start_main_~i~4 272), 107106#(<= ULTIMATE.start_main_~i~4 270), 107109#(<= ULTIMATE.start_main_~i~4 276), 107108#(<= ULTIMATE.start_main_~i~4 274), 107111#(<= ULTIMATE.start_main_~i~4 280), 107110#(<= ULTIMATE.start_main_~i~4 278), 107113#(<= ULTIMATE.start_main_~i~4 284), 107112#(<= ULTIMATE.start_main_~i~4 282), 107115#(<= ULTIMATE.start_main_~i~4 288), 107114#(<= ULTIMATE.start_main_~i~4 286), 107117#(<= ULTIMATE.start_main_~i~4 292), 107116#(<= ULTIMATE.start_main_~i~4 290), 107119#(<= ULTIMATE.start_main_~i~4 296), 107118#(<= ULTIMATE.start_main_~i~4 294), 107121#(<= ULTIMATE.start_main_~i~4 300), 107120#(<= ULTIMATE.start_main_~i~4 298), 107123#(<= ULTIMATE.start_main_~i~4 304), 107122#(<= ULTIMATE.start_main_~i~4 302), 107125#(<= ULTIMATE.start_main_~i~4 308), 107124#(<= ULTIMATE.start_main_~i~4 306), 107127#(<= ULTIMATE.start_main_~i~4 312), 107126#(<= ULTIMATE.start_main_~i~4 310), 107129#(<= ULTIMATE.start_main_~i~4 316), 107128#(<= ULTIMATE.start_main_~i~4 314), 107131#(<= ULTIMATE.start_main_~i~4 320), 107130#(<= ULTIMATE.start_main_~i~4 318), 107133#(<= ULTIMATE.start_main_~i~4 324), 107132#(<= ULTIMATE.start_main_~i~4 322), 107135#(<= ULTIMATE.start_main_~i~4 328), 107134#(<= ULTIMATE.start_main_~i~4 326), 107137#(<= ULTIMATE.start_main_~i~4 332), 107136#(<= ULTIMATE.start_main_~i~4 330), 107139#(<= ULTIMATE.start_main_~i~4 336), 107138#(<= ULTIMATE.start_main_~i~4 334), 107141#(<= ULTIMATE.start_main_~i~4 340), 107140#(<= ULTIMATE.start_main_~i~4 338), 107143#(<= ULTIMATE.start_main_~i~4 344), 107142#(<= ULTIMATE.start_main_~i~4 342), 107145#(<= ULTIMATE.start_main_~i~4 348), 107144#(<= ULTIMATE.start_main_~i~4 346), 107147#(<= ULTIMATE.start_main_~i~4 352), 107146#(<= ULTIMATE.start_main_~i~4 350), 107149#(<= ULTIMATE.start_main_~i~4 356), 107148#(<= ULTIMATE.start_main_~i~4 354), 107151#(<= ULTIMATE.start_main_~i~4 360), 107150#(<= ULTIMATE.start_main_~i~4 358), 107153#(<= ULTIMATE.start_main_~i~4 364), 107152#(<= ULTIMATE.start_main_~i~4 362), 107155#(<= ULTIMATE.start_main_~i~4 368), 107154#(<= ULTIMATE.start_main_~i~4 366), 107157#(<= ULTIMATE.start_main_~i~4 372), 107156#(<= ULTIMATE.start_main_~i~4 370), 107159#(<= ULTIMATE.start_main_~i~4 376), 107158#(<= ULTIMATE.start_main_~i~4 374), 107161#(<= ULTIMATE.start_main_~i~4 380), 107160#(<= ULTIMATE.start_main_~i~4 378), 107163#(<= ULTIMATE.start_main_~i~4 384), 107162#(<= ULTIMATE.start_main_~i~4 382), 107165#(<= ULTIMATE.start_main_~i~4 388), 107164#(<= ULTIMATE.start_main_~i~4 386), 107167#(<= ULTIMATE.start_main_~i~4 392), 107166#(<= ULTIMATE.start_main_~i~4 390), 107169#(<= ULTIMATE.start_main_~i~4 396), 107168#(<= ULTIMATE.start_main_~i~4 394), 107171#(<= ULTIMATE.start_main_~i~4 400), 107170#(<= ULTIMATE.start_main_~i~4 398), 107173#(<= ULTIMATE.start_main_~i~4 404), 107172#(<= ULTIMATE.start_main_~i~4 402), 106969#true, 106971#(<= ULTIMATE.start_main_~i~4 0), 106970#false, 106973#(<= ULTIMATE.start_main_~i~4 4), 106972#(<= ULTIMATE.start_main_~i~4 2), 106975#(<= ULTIMATE.start_main_~i~4 8), 106974#(<= ULTIMATE.start_main_~i~4 6), 106977#(<= ULTIMATE.start_main_~i~4 12), 106976#(<= ULTIMATE.start_main_~i~4 10), 106979#(<= ULTIMATE.start_main_~i~4 16), 106978#(<= ULTIMATE.start_main_~i~4 14), 106981#(<= ULTIMATE.start_main_~i~4 20), 106980#(<= ULTIMATE.start_main_~i~4 18), 106983#(<= ULTIMATE.start_main_~i~4 24), 106982#(<= ULTIMATE.start_main_~i~4 22), 106985#(<= ULTIMATE.start_main_~i~4 28), 106984#(<= ULTIMATE.start_main_~i~4 26), 106987#(<= ULTIMATE.start_main_~i~4 32), 106986#(<= ULTIMATE.start_main_~i~4 30), 106989#(<= ULTIMATE.start_main_~i~4 36), 106988#(<= ULTIMATE.start_main_~i~4 34), 106991#(<= ULTIMATE.start_main_~i~4 40), 106990#(<= ULTIMATE.start_main_~i~4 38), 106993#(<= ULTIMATE.start_main_~i~4 44), 106992#(<= ULTIMATE.start_main_~i~4 42), 106995#(<= ULTIMATE.start_main_~i~4 48), 106994#(<= ULTIMATE.start_main_~i~4 46), 106997#(<= ULTIMATE.start_main_~i~4 52), 106996#(<= ULTIMATE.start_main_~i~4 50), 106999#(<= ULTIMATE.start_main_~i~4 56), 106998#(<= ULTIMATE.start_main_~i~4 54), 107001#(<= ULTIMATE.start_main_~i~4 60), 107000#(<= ULTIMATE.start_main_~i~4 58), 107003#(<= ULTIMATE.start_main_~i~4 64), 107002#(<= ULTIMATE.start_main_~i~4 62), 107005#(<= ULTIMATE.start_main_~i~4 68), 107004#(<= ULTIMATE.start_main_~i~4 66), 107007#(<= ULTIMATE.start_main_~i~4 72), 107006#(<= ULTIMATE.start_main_~i~4 70)] [2018-07-23 13:39:32,431 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 13:39:32,431 INFO L450 AbstractCegarLoop]: Interpolant automaton has 205 states [2018-07-23 13:39:32,434 INFO L132 InterpolantAutomaton]: Constructing interpolant automaton starting with 205 interpolants. [2018-07-23 13:39:32,435 INFO L133 InterpolantAutomaton]: CoverageRelationStatistics Valid=20910, Invalid=20910, Unknown=0, NotChecked=0, Total=41820 [2018-07-23 13:39:32,436 INFO L87 Difference]: Start difference. First operand 206 states and 206 transitions. Second operand 205 states. [2018-07-23 13:39:33,250 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2018-07-23 13:39:33,250 INFO L93 Difference]: Finished difference Result 209 states and 209 transitions. [2018-07-23 13:39:33,250 INFO L142 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 205 states. [2018-07-23 13:39:33,251 INFO L78 Accepts]: Start accepts. Automaton has 205 states. Word has length 205 [2018-07-23 13:39:33,251 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2018-07-23 13:39:33,251 INFO L225 Difference]: With dead ends: 209 [2018-07-23 13:39:33,251 INFO L226 Difference]: Without dead ends: 207 [2018-07-23 13:39:33,252 INFO L575 BasicCegarLoop]: 0 DeclaredPredicates, 204 GetRequests, 1 SyntacticMatches, 0 SemanticMatches, 203 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 0 ImplicationChecksByTransitivity, 0.8s TimeCoverageRelationStatistics Valid=20910, Invalid=20910, Unknown=0, NotChecked=0, Total=41820 [2018-07-23 13:39:33,252 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 207 states. [2018-07-23 13:39:33,254 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 207 to 207. [2018-07-23 13:39:33,254 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 207 states. [2018-07-23 13:39:33,255 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 207 states to 207 states and 207 transitions. [2018-07-23 13:39:33,255 INFO L78 Accepts]: Start accepts. Automaton has 207 states and 207 transitions. Word has length 205 [2018-07-23 13:39:33,255 INFO L84 Accepts]: Finished accepts. word is rejected. [2018-07-23 13:39:33,255 INFO L471 AbstractCegarLoop]: Abstraction has 207 states and 207 transitions. [2018-07-23 13:39:33,255 INFO L472 AbstractCegarLoop]: Interpolant automaton has 205 states. [2018-07-23 13:39:33,255 INFO L276 IsEmpty]: Start isEmpty. Operand 207 states and 207 transitions. [2018-07-23 13:39:33,255 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 207 [2018-07-23 13:39:33,255 INFO L349 BasicCegarLoop]: Found error trace [2018-07-23 13:39:33,256 INFO L357 BasicCegarLoop]: trace histogram [203, 1, 1, 1] [2018-07-23 13:39:33,256 INFO L414 AbstractCegarLoop]: === Iteration 204 === [ULTIMATE.startErr0AssertViolationASSERT]=== [2018-07-23 13:39:33,256 INFO L82 PathProgramCache]: Analyzing trace with hash 284156616, now seen corresponding path program 203 times [2018-07-23 13:39:33,256 INFO L69 tionRefinementEngine]: Using refinement strategy FixedRefinementStrategy [2018-07-23 13:39:33,434 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-07-23 13:39:34,343 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 13:39:34,343 INFO L309 seRefinementStrategy]: Constructing automaton from 0 perfect and 1 imperfect interpolant sequences. [2018-07-23 13:39:34,343 INFO L324 seRefinementStrategy]: Number of different interpolants: perfect sequences [] imperfect sequences [205] total 205 [2018-07-23 13:39:34,343 INFO L142 lantAutomatonBuilder]: Constructing canonical interpolant automaton, with selfloop in false state [2018-07-23 13:39:34,343 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2018-07-23 13:39:34,344 INFO L185 omatonBuilderFactory]: Interpolants [108033#(<= ULTIMATE.start_main_~i~4 50), 108032#(<= ULTIMATE.start_main_~i~4 48), 108035#(<= ULTIMATE.start_main_~i~4 54), 108034#(<= ULTIMATE.start_main_~i~4 52), 108037#(<= ULTIMATE.start_main_~i~4 58), 108036#(<= ULTIMATE.start_main_~i~4 56), 108039#(<= ULTIMATE.start_main_~i~4 62), 108038#(<= ULTIMATE.start_main_~i~4 60), 108041#(<= ULTIMATE.start_main_~i~4 66), 108040#(<= ULTIMATE.start_main_~i~4 64), 108043#(<= ULTIMATE.start_main_~i~4 70), 108042#(<= ULTIMATE.start_main_~i~4 68), 108045#(<= ULTIMATE.start_main_~i~4 74), 108044#(<= ULTIMATE.start_main_~i~4 72), 108047#(<= ULTIMATE.start_main_~i~4 78), 108046#(<= ULTIMATE.start_main_~i~4 76), 108049#(<= ULTIMATE.start_main_~i~4 82), 108048#(<= ULTIMATE.start_main_~i~4 80), 108051#(<= ULTIMATE.start_main_~i~4 86), 108050#(<= ULTIMATE.start_main_~i~4 84), 108053#(<= ULTIMATE.start_main_~i~4 90), 108052#(<= ULTIMATE.start_main_~i~4 88), 108055#(<= ULTIMATE.start_main_~i~4 94), 108054#(<= ULTIMATE.start_main_~i~4 92), 108057#(<= ULTIMATE.start_main_~i~4 98), 108056#(<= ULTIMATE.start_main_~i~4 96), 108059#(<= ULTIMATE.start_main_~i~4 102), 108058#(<= ULTIMATE.start_main_~i~4 100), 108061#(<= ULTIMATE.start_main_~i~4 106), 108060#(<= ULTIMATE.start_main_~i~4 104), 108063#(<= ULTIMATE.start_main_~i~4 110), 108062#(<= ULTIMATE.start_main_~i~4 108), 108065#(<= ULTIMATE.start_main_~i~4 114), 108064#(<= ULTIMATE.start_main_~i~4 112), 108067#(<= ULTIMATE.start_main_~i~4 118), 108066#(<= ULTIMATE.start_main_~i~4 116), 108069#(<= ULTIMATE.start_main_~i~4 122), 108068#(<= ULTIMATE.start_main_~i~4 120), 108071#(<= ULTIMATE.start_main_~i~4 126), 108070#(<= ULTIMATE.start_main_~i~4 124), 108073#(<= ULTIMATE.start_main_~i~4 130), 108072#(<= ULTIMATE.start_main_~i~4 128), 108075#(<= ULTIMATE.start_main_~i~4 134), 108074#(<= ULTIMATE.start_main_~i~4 132), 108077#(<= ULTIMATE.start_main_~i~4 138), 108076#(<= ULTIMATE.start_main_~i~4 136), 108079#(<= ULTIMATE.start_main_~i~4 142), 108078#(<= ULTIMATE.start_main_~i~4 140), 108081#(<= ULTIMATE.start_main_~i~4 146), 108080#(<= ULTIMATE.start_main_~i~4 144), 108083#(<= ULTIMATE.start_main_~i~4 150), 108082#(<= ULTIMATE.start_main_~i~4 148), 108085#(<= ULTIMATE.start_main_~i~4 154), 108084#(<= ULTIMATE.start_main_~i~4 152), 108087#(<= ULTIMATE.start_main_~i~4 158), 108086#(<= ULTIMATE.start_main_~i~4 156), 108089#(<= ULTIMATE.start_main_~i~4 162), 108088#(<= ULTIMATE.start_main_~i~4 160), 108091#(<= ULTIMATE.start_main_~i~4 166), 108090#(<= ULTIMATE.start_main_~i~4 164), 108093#(<= ULTIMATE.start_main_~i~4 170), 108092#(<= ULTIMATE.start_main_~i~4 168), 108095#(<= ULTIMATE.start_main_~i~4 174), 108094#(<= ULTIMATE.start_main_~i~4 172), 108097#(<= ULTIMATE.start_main_~i~4 178), 108096#(<= ULTIMATE.start_main_~i~4 176), 108099#(<= ULTIMATE.start_main_~i~4 182), 108098#(<= ULTIMATE.start_main_~i~4 180), 108101#(<= ULTIMATE.start_main_~i~4 186), 108100#(<= ULTIMATE.start_main_~i~4 184), 108103#(<= ULTIMATE.start_main_~i~4 190), 108102#(<= ULTIMATE.start_main_~i~4 188), 108105#(<= ULTIMATE.start_main_~i~4 194), 108104#(<= ULTIMATE.start_main_~i~4 192), 108107#(<= ULTIMATE.start_main_~i~4 198), 108106#(<= ULTIMATE.start_main_~i~4 196), 108109#(<= ULTIMATE.start_main_~i~4 202), 108108#(<= ULTIMATE.start_main_~i~4 200), 108111#(<= ULTIMATE.start_main_~i~4 206), 108110#(<= ULTIMATE.start_main_~i~4 204), 108113#(<= ULTIMATE.start_main_~i~4 210), 108112#(<= ULTIMATE.start_main_~i~4 208), 108115#(<= ULTIMATE.start_main_~i~4 214), 108114#(<= ULTIMATE.start_main_~i~4 212), 108117#(<= ULTIMATE.start_main_~i~4 218), 108116#(<= ULTIMATE.start_main_~i~4 216), 108119#(<= ULTIMATE.start_main_~i~4 222), 108118#(<= ULTIMATE.start_main_~i~4 220), 108121#(<= ULTIMATE.start_main_~i~4 226), 108120#(<= ULTIMATE.start_main_~i~4 224), 108123#(<= ULTIMATE.start_main_~i~4 230), 108122#(<= ULTIMATE.start_main_~i~4 228), 108125#(<= ULTIMATE.start_main_~i~4 234), 108124#(<= ULTIMATE.start_main_~i~4 232), 108127#(<= ULTIMATE.start_main_~i~4 238), 108126#(<= ULTIMATE.start_main_~i~4 236), 108129#(<= ULTIMATE.start_main_~i~4 242), 108128#(<= ULTIMATE.start_main_~i~4 240), 108131#(<= ULTIMATE.start_main_~i~4 246), 108130#(<= ULTIMATE.start_main_~i~4 244), 108133#(<= ULTIMATE.start_main_~i~4 250), 108132#(<= ULTIMATE.start_main_~i~4 248), 108135#(<= ULTIMATE.start_main_~i~4 254), 108134#(<= ULTIMATE.start_main_~i~4 252), 108137#(<= ULTIMATE.start_main_~i~4 258), 108136#(<= ULTIMATE.start_main_~i~4 256), 108139#(<= ULTIMATE.start_main_~i~4 262), 108138#(<= ULTIMATE.start_main_~i~4 260), 108141#(<= ULTIMATE.start_main_~i~4 266), 108140#(<= ULTIMATE.start_main_~i~4 264), 108143#(<= ULTIMATE.start_main_~i~4 270), 108142#(<= ULTIMATE.start_main_~i~4 268), 108145#(<= ULTIMATE.start_main_~i~4 274), 108144#(<= ULTIMATE.start_main_~i~4 272), 108147#(<= ULTIMATE.start_main_~i~4 278), 108146#(<= ULTIMATE.start_main_~i~4 276), 108149#(<= ULTIMATE.start_main_~i~4 282), 108148#(<= ULTIMATE.start_main_~i~4 280), 108151#(<= ULTIMATE.start_main_~i~4 286), 108150#(<= ULTIMATE.start_main_~i~4 284), 108153#(<= ULTIMATE.start_main_~i~4 290), 108152#(<= ULTIMATE.start_main_~i~4 288), 108155#(<= ULTIMATE.start_main_~i~4 294), 108154#(<= ULTIMATE.start_main_~i~4 292), 108157#(<= ULTIMATE.start_main_~i~4 298), 108156#(<= ULTIMATE.start_main_~i~4 296), 108159#(<= ULTIMATE.start_main_~i~4 302), 108158#(<= ULTIMATE.start_main_~i~4 300), 108161#(<= ULTIMATE.start_main_~i~4 306), 108160#(<= ULTIMATE.start_main_~i~4 304), 108163#(<= ULTIMATE.start_main_~i~4 310), 108162#(<= ULTIMATE.start_main_~i~4 308), 108165#(<= ULTIMATE.start_main_~i~4 314), 108164#(<= ULTIMATE.start_main_~i~4 312), 108167#(<= ULTIMATE.start_main_~i~4 318), 108166#(<= ULTIMATE.start_main_~i~4 316), 108169#(<= ULTIMATE.start_main_~i~4 322), 108168#(<= ULTIMATE.start_main_~i~4 320), 108171#(<= ULTIMATE.start_main_~i~4 326), 108170#(<= ULTIMATE.start_main_~i~4 324), 108173#(<= ULTIMATE.start_main_~i~4 330), 108172#(<= ULTIMATE.start_main_~i~4 328), 108175#(<= ULTIMATE.start_main_~i~4 334), 108174#(<= ULTIMATE.start_main_~i~4 332), 108177#(<= ULTIMATE.start_main_~i~4 338), 108176#(<= ULTIMATE.start_main_~i~4 336), 108179#(<= ULTIMATE.start_main_~i~4 342), 108178#(<= ULTIMATE.start_main_~i~4 340), 108181#(<= ULTIMATE.start_main_~i~4 346), 108180#(<= ULTIMATE.start_main_~i~4 344), 108183#(<= ULTIMATE.start_main_~i~4 350), 108182#(<= ULTIMATE.start_main_~i~4 348), 108185#(<= ULTIMATE.start_main_~i~4 354), 108184#(<= ULTIMATE.start_main_~i~4 352), 108187#(<= ULTIMATE.start_main_~i~4 358), 108186#(<= ULTIMATE.start_main_~i~4 356), 108189#(<= ULTIMATE.start_main_~i~4 362), 108188#(<= ULTIMATE.start_main_~i~4 360), 108191#(<= ULTIMATE.start_main_~i~4 366), 108190#(<= ULTIMATE.start_main_~i~4 364), 108193#(<= ULTIMATE.start_main_~i~4 370), 108192#(<= ULTIMATE.start_main_~i~4 368), 108195#(<= ULTIMATE.start_main_~i~4 374), 108194#(<= ULTIMATE.start_main_~i~4 372), 108197#(<= ULTIMATE.start_main_~i~4 378), 108196#(<= ULTIMATE.start_main_~i~4 376), 108199#(<= ULTIMATE.start_main_~i~4 382), 108198#(<= ULTIMATE.start_main_~i~4 380), 108201#(<= ULTIMATE.start_main_~i~4 386), 108200#(<= ULTIMATE.start_main_~i~4 384), 108203#(<= ULTIMATE.start_main_~i~4 390), 108202#(<= ULTIMATE.start_main_~i~4 388), 108205#(<= ULTIMATE.start_main_~i~4 394), 108204#(<= ULTIMATE.start_main_~i~4 392), 108207#(<= ULTIMATE.start_main_~i~4 398), 108206#(<= ULTIMATE.start_main_~i~4 396), 108209#(<= ULTIMATE.start_main_~i~4 402), 108208#(<= ULTIMATE.start_main_~i~4 400), 108211#(<= ULTIMATE.start_main_~i~4 406), 108210#(<= ULTIMATE.start_main_~i~4 404), 108007#false, 108006#true, 108009#(<= ULTIMATE.start_main_~i~4 2), 108008#(<= ULTIMATE.start_main_~i~4 0), 108011#(<= ULTIMATE.start_main_~i~4 6), 108010#(<= ULTIMATE.start_main_~i~4 4), 108013#(<= ULTIMATE.start_main_~i~4 10), 108012#(<= ULTIMATE.start_main_~i~4 8), 108015#(<= ULTIMATE.start_main_~i~4 14), 108014#(<= ULTIMATE.start_main_~i~4 12), 108017#(<= ULTIMATE.start_main_~i~4 18), 108016#(<= ULTIMATE.start_main_~i~4 16), 108019#(<= ULTIMATE.start_main_~i~4 22), 108018#(<= ULTIMATE.start_main_~i~4 20), 108021#(<= ULTIMATE.start_main_~i~4 26), 108020#(<= ULTIMATE.start_main_~i~4 24), 108023#(<= ULTIMATE.start_main_~i~4 30), 108022#(<= ULTIMATE.start_main_~i~4 28), 108025#(<= ULTIMATE.start_main_~i~4 34), 108024#(<= ULTIMATE.start_main_~i~4 32), 108027#(<= ULTIMATE.start_main_~i~4 38), 108026#(<= ULTIMATE.start_main_~i~4 36), 108029#(<= ULTIMATE.start_main_~i~4 42), 108028#(<= ULTIMATE.start_main_~i~4 40), 108031#(<= ULTIMATE.start_main_~i~4 46), 108030#(<= ULTIMATE.start_main_~i~4 44)] [2018-07-23 13:39:34,345 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 13:39:34,345 INFO L450 AbstractCegarLoop]: Interpolant automaton has 206 states [2018-07-23 13:39:34,348 INFO L132 InterpolantAutomaton]: Constructing interpolant automaton starting with 206 interpolants. [2018-07-23 13:39:34,349 INFO L133 InterpolantAutomaton]: CoverageRelationStatistics Valid=21115, Invalid=21115, Unknown=0, NotChecked=0, Total=42230 [2018-07-23 13:39:34,349 INFO L87 Difference]: Start difference. First operand 207 states and 207 transitions. Second operand 206 states. [2018-07-23 13:39:35,341 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2018-07-23 13:39:35,341 INFO L93 Difference]: Finished difference Result 210 states and 210 transitions. [2018-07-23 13:39:35,341 INFO L142 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 206 states. [2018-07-23 13:39:35,342 INFO L78 Accepts]: Start accepts. Automaton has 206 states. Word has length 206 [2018-07-23 13:39:35,342 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2018-07-23 13:39:35,342 INFO L225 Difference]: With dead ends: 210 [2018-07-23 13:39:35,342 INFO L226 Difference]: Without dead ends: 208 [2018-07-23 13:39:35,344 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 13:39:35,344 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 208 states. [2018-07-23 13:39:35,346 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 208 to 208. [2018-07-23 13:39:35,347 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 208 states. [2018-07-23 13:39:35,347 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 208 states to 208 states and 208 transitions. [2018-07-23 13:39:35,347 INFO L78 Accepts]: Start accepts. Automaton has 208 states and 208 transitions. Word has length 206 [2018-07-23 13:39:35,347 INFO L84 Accepts]: Finished accepts. word is rejected. [2018-07-23 13:39:35,347 INFO L471 AbstractCegarLoop]: Abstraction has 208 states and 208 transitions. [2018-07-23 13:39:35,347 INFO L472 AbstractCegarLoop]: Interpolant automaton has 206 states. [2018-07-23 13:39:35,347 INFO L276 IsEmpty]: Start isEmpty. Operand 208 states and 208 transitions. [2018-07-23 13:39:35,348 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 208 [2018-07-23 13:39:35,348 INFO L349 BasicCegarLoop]: Found error trace [2018-07-23 13:39:35,348 INFO L357 BasicCegarLoop]: trace histogram [204, 1, 1, 1] [2018-07-23 13:39:35,348 INFO L414 AbstractCegarLoop]: === Iteration 205 === [ULTIMATE.startErr0AssertViolationASSERT]=== [2018-07-23 13:39:35,348 INFO L82 PathProgramCache]: Analyzing trace with hash 218918529, now seen corresponding path program 204 times [2018-07-23 13:39:35,348 INFO L69 tionRefinementEngine]: Using refinement strategy FixedRefinementStrategy [2018-07-23 13:39:35,535 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-07-23 13:39:36,484 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 13:39:36,484 INFO L309 seRefinementStrategy]: Constructing automaton from 0 perfect and 1 imperfect interpolant sequences. [2018-07-23 13:39:36,484 INFO L324 seRefinementStrategy]: Number of different interpolants: perfect sequences [] imperfect sequences [206] total 206 [2018-07-23 13:39:36,485 INFO L142 lantAutomatonBuilder]: Constructing canonical interpolant automaton, with selfloop in false state [2018-07-23 13:39:36,485 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2018-07-23 13:39:36,485 INFO L185 omatonBuilderFactory]: Interpolants [109057#(<= ULTIMATE.start_main_~i~4 14), 109056#(<= ULTIMATE.start_main_~i~4 12), 109059#(<= ULTIMATE.start_main_~i~4 18), 109058#(<= ULTIMATE.start_main_~i~4 16), 109061#(<= ULTIMATE.start_main_~i~4 22), 109060#(<= ULTIMATE.start_main_~i~4 20), 109063#(<= ULTIMATE.start_main_~i~4 26), 109062#(<= ULTIMATE.start_main_~i~4 24), 109065#(<= ULTIMATE.start_main_~i~4 30), 109064#(<= ULTIMATE.start_main_~i~4 28), 109067#(<= ULTIMATE.start_main_~i~4 34), 109066#(<= ULTIMATE.start_main_~i~4 32), 109069#(<= ULTIMATE.start_main_~i~4 38), 109068#(<= ULTIMATE.start_main_~i~4 36), 109071#(<= ULTIMATE.start_main_~i~4 42), 109070#(<= ULTIMATE.start_main_~i~4 40), 109073#(<= ULTIMATE.start_main_~i~4 46), 109072#(<= ULTIMATE.start_main_~i~4 44), 109075#(<= ULTIMATE.start_main_~i~4 50), 109074#(<= ULTIMATE.start_main_~i~4 48), 109077#(<= ULTIMATE.start_main_~i~4 54), 109076#(<= ULTIMATE.start_main_~i~4 52), 109079#(<= ULTIMATE.start_main_~i~4 58), 109078#(<= ULTIMATE.start_main_~i~4 56), 109081#(<= ULTIMATE.start_main_~i~4 62), 109080#(<= ULTIMATE.start_main_~i~4 60), 109083#(<= ULTIMATE.start_main_~i~4 66), 109082#(<= ULTIMATE.start_main_~i~4 64), 109085#(<= ULTIMATE.start_main_~i~4 70), 109084#(<= ULTIMATE.start_main_~i~4 68), 109087#(<= ULTIMATE.start_main_~i~4 74), 109086#(<= ULTIMATE.start_main_~i~4 72), 109089#(<= ULTIMATE.start_main_~i~4 78), 109088#(<= ULTIMATE.start_main_~i~4 76), 109091#(<= ULTIMATE.start_main_~i~4 82), 109090#(<= ULTIMATE.start_main_~i~4 80), 109093#(<= ULTIMATE.start_main_~i~4 86), 109092#(<= ULTIMATE.start_main_~i~4 84), 109095#(<= ULTIMATE.start_main_~i~4 90), 109094#(<= ULTIMATE.start_main_~i~4 88), 109097#(<= ULTIMATE.start_main_~i~4 94), 109096#(<= ULTIMATE.start_main_~i~4 92), 109099#(<= ULTIMATE.start_main_~i~4 98), 109098#(<= ULTIMATE.start_main_~i~4 96), 109101#(<= ULTIMATE.start_main_~i~4 102), 109100#(<= ULTIMATE.start_main_~i~4 100), 109103#(<= ULTIMATE.start_main_~i~4 106), 109102#(<= ULTIMATE.start_main_~i~4 104), 109105#(<= ULTIMATE.start_main_~i~4 110), 109104#(<= ULTIMATE.start_main_~i~4 108), 109107#(<= ULTIMATE.start_main_~i~4 114), 109106#(<= ULTIMATE.start_main_~i~4 112), 109109#(<= ULTIMATE.start_main_~i~4 118), 109108#(<= ULTIMATE.start_main_~i~4 116), 109111#(<= ULTIMATE.start_main_~i~4 122), 109110#(<= ULTIMATE.start_main_~i~4 120), 109113#(<= ULTIMATE.start_main_~i~4 126), 109112#(<= ULTIMATE.start_main_~i~4 124), 109115#(<= ULTIMATE.start_main_~i~4 130), 109114#(<= ULTIMATE.start_main_~i~4 128), 109117#(<= ULTIMATE.start_main_~i~4 134), 109116#(<= ULTIMATE.start_main_~i~4 132), 109119#(<= ULTIMATE.start_main_~i~4 138), 109118#(<= ULTIMATE.start_main_~i~4 136), 109121#(<= ULTIMATE.start_main_~i~4 142), 109120#(<= ULTIMATE.start_main_~i~4 140), 109123#(<= ULTIMATE.start_main_~i~4 146), 109122#(<= ULTIMATE.start_main_~i~4 144), 109125#(<= ULTIMATE.start_main_~i~4 150), 109124#(<= ULTIMATE.start_main_~i~4 148), 109127#(<= ULTIMATE.start_main_~i~4 154), 109126#(<= ULTIMATE.start_main_~i~4 152), 109129#(<= ULTIMATE.start_main_~i~4 158), 109128#(<= ULTIMATE.start_main_~i~4 156), 109131#(<= ULTIMATE.start_main_~i~4 162), 109130#(<= ULTIMATE.start_main_~i~4 160), 109133#(<= ULTIMATE.start_main_~i~4 166), 109132#(<= ULTIMATE.start_main_~i~4 164), 109135#(<= ULTIMATE.start_main_~i~4 170), 109134#(<= ULTIMATE.start_main_~i~4 168), 109137#(<= ULTIMATE.start_main_~i~4 174), 109136#(<= ULTIMATE.start_main_~i~4 172), 109139#(<= ULTIMATE.start_main_~i~4 178), 109138#(<= ULTIMATE.start_main_~i~4 176), 109141#(<= ULTIMATE.start_main_~i~4 182), 109140#(<= ULTIMATE.start_main_~i~4 180), 109143#(<= ULTIMATE.start_main_~i~4 186), 109142#(<= ULTIMATE.start_main_~i~4 184), 109145#(<= ULTIMATE.start_main_~i~4 190), 109144#(<= ULTIMATE.start_main_~i~4 188), 109147#(<= ULTIMATE.start_main_~i~4 194), 109146#(<= ULTIMATE.start_main_~i~4 192), 109149#(<= ULTIMATE.start_main_~i~4 198), 109148#(<= ULTIMATE.start_main_~i~4 196), 109151#(<= ULTIMATE.start_main_~i~4 202), 109150#(<= ULTIMATE.start_main_~i~4 200), 109153#(<= ULTIMATE.start_main_~i~4 206), 109152#(<= ULTIMATE.start_main_~i~4 204), 109155#(<= ULTIMATE.start_main_~i~4 210), 109154#(<= ULTIMATE.start_main_~i~4 208), 109157#(<= ULTIMATE.start_main_~i~4 214), 109156#(<= ULTIMATE.start_main_~i~4 212), 109159#(<= ULTIMATE.start_main_~i~4 218), 109158#(<= ULTIMATE.start_main_~i~4 216), 109161#(<= ULTIMATE.start_main_~i~4 222), 109160#(<= ULTIMATE.start_main_~i~4 220), 109163#(<= ULTIMATE.start_main_~i~4 226), 109162#(<= ULTIMATE.start_main_~i~4 224), 109165#(<= ULTIMATE.start_main_~i~4 230), 109164#(<= ULTIMATE.start_main_~i~4 228), 109167#(<= ULTIMATE.start_main_~i~4 234), 109166#(<= ULTIMATE.start_main_~i~4 232), 109169#(<= ULTIMATE.start_main_~i~4 238), 109168#(<= ULTIMATE.start_main_~i~4 236), 109171#(<= ULTIMATE.start_main_~i~4 242), 109170#(<= ULTIMATE.start_main_~i~4 240), 109173#(<= ULTIMATE.start_main_~i~4 246), 109172#(<= ULTIMATE.start_main_~i~4 244), 109175#(<= ULTIMATE.start_main_~i~4 250), 109174#(<= ULTIMATE.start_main_~i~4 248), 109177#(<= ULTIMATE.start_main_~i~4 254), 109176#(<= ULTIMATE.start_main_~i~4 252), 109179#(<= ULTIMATE.start_main_~i~4 258), 109178#(<= ULTIMATE.start_main_~i~4 256), 109181#(<= ULTIMATE.start_main_~i~4 262), 109180#(<= ULTIMATE.start_main_~i~4 260), 109183#(<= ULTIMATE.start_main_~i~4 266), 109182#(<= ULTIMATE.start_main_~i~4 264), 109185#(<= ULTIMATE.start_main_~i~4 270), 109184#(<= ULTIMATE.start_main_~i~4 268), 109187#(<= ULTIMATE.start_main_~i~4 274), 109186#(<= ULTIMATE.start_main_~i~4 272), 109189#(<= ULTIMATE.start_main_~i~4 278), 109188#(<= ULTIMATE.start_main_~i~4 276), 109191#(<= ULTIMATE.start_main_~i~4 282), 109190#(<= ULTIMATE.start_main_~i~4 280), 109193#(<= ULTIMATE.start_main_~i~4 286), 109192#(<= ULTIMATE.start_main_~i~4 284), 109195#(<= ULTIMATE.start_main_~i~4 290), 109194#(<= ULTIMATE.start_main_~i~4 288), 109197#(<= ULTIMATE.start_main_~i~4 294), 109196#(<= ULTIMATE.start_main_~i~4 292), 109199#(<= ULTIMATE.start_main_~i~4 298), 109198#(<= ULTIMATE.start_main_~i~4 296), 109201#(<= ULTIMATE.start_main_~i~4 302), 109200#(<= ULTIMATE.start_main_~i~4 300), 109203#(<= ULTIMATE.start_main_~i~4 306), 109202#(<= ULTIMATE.start_main_~i~4 304), 109205#(<= ULTIMATE.start_main_~i~4 310), 109204#(<= ULTIMATE.start_main_~i~4 308), 109207#(<= ULTIMATE.start_main_~i~4 314), 109206#(<= ULTIMATE.start_main_~i~4 312), 109209#(<= ULTIMATE.start_main_~i~4 318), 109208#(<= ULTIMATE.start_main_~i~4 316), 109211#(<= ULTIMATE.start_main_~i~4 322), 109210#(<= ULTIMATE.start_main_~i~4 320), 109213#(<= ULTIMATE.start_main_~i~4 326), 109212#(<= ULTIMATE.start_main_~i~4 324), 109215#(<= ULTIMATE.start_main_~i~4 330), 109214#(<= ULTIMATE.start_main_~i~4 328), 109217#(<= ULTIMATE.start_main_~i~4 334), 109216#(<= ULTIMATE.start_main_~i~4 332), 109219#(<= ULTIMATE.start_main_~i~4 338), 109218#(<= ULTIMATE.start_main_~i~4 336), 109221#(<= ULTIMATE.start_main_~i~4 342), 109220#(<= ULTIMATE.start_main_~i~4 340), 109223#(<= ULTIMATE.start_main_~i~4 346), 109222#(<= ULTIMATE.start_main_~i~4 344), 109225#(<= ULTIMATE.start_main_~i~4 350), 109224#(<= ULTIMATE.start_main_~i~4 348), 109227#(<= ULTIMATE.start_main_~i~4 354), 109226#(<= ULTIMATE.start_main_~i~4 352), 109229#(<= ULTIMATE.start_main_~i~4 358), 109228#(<= ULTIMATE.start_main_~i~4 356), 109231#(<= ULTIMATE.start_main_~i~4 362), 109230#(<= ULTIMATE.start_main_~i~4 360), 109233#(<= ULTIMATE.start_main_~i~4 366), 109232#(<= ULTIMATE.start_main_~i~4 364), 109235#(<= ULTIMATE.start_main_~i~4 370), 109234#(<= ULTIMATE.start_main_~i~4 368), 109237#(<= ULTIMATE.start_main_~i~4 374), 109236#(<= ULTIMATE.start_main_~i~4 372), 109239#(<= ULTIMATE.start_main_~i~4 378), 109238#(<= ULTIMATE.start_main_~i~4 376), 109241#(<= ULTIMATE.start_main_~i~4 382), 109240#(<= ULTIMATE.start_main_~i~4 380), 109243#(<= ULTIMATE.start_main_~i~4 386), 109242#(<= ULTIMATE.start_main_~i~4 384), 109245#(<= ULTIMATE.start_main_~i~4 390), 109244#(<= ULTIMATE.start_main_~i~4 388), 109247#(<= ULTIMATE.start_main_~i~4 394), 109246#(<= ULTIMATE.start_main_~i~4 392), 109249#(<= ULTIMATE.start_main_~i~4 398), 109248#(<= ULTIMATE.start_main_~i~4 396), 109251#(<= ULTIMATE.start_main_~i~4 402), 109250#(<= ULTIMATE.start_main_~i~4 400), 109253#(<= ULTIMATE.start_main_~i~4 406), 109252#(<= ULTIMATE.start_main_~i~4 404), 109254#(<= ULTIMATE.start_main_~i~4 408), 109049#false, 109048#true, 109051#(<= ULTIMATE.start_main_~i~4 2), 109050#(<= ULTIMATE.start_main_~i~4 0), 109053#(<= ULTIMATE.start_main_~i~4 6), 109052#(<= ULTIMATE.start_main_~i~4 4), 109055#(<= ULTIMATE.start_main_~i~4 10), 109054#(<= ULTIMATE.start_main_~i~4 8)] [2018-07-23 13:39:36,486 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 13:39:36,487 INFO L450 AbstractCegarLoop]: Interpolant automaton has 207 states [2018-07-23 13:39:36,488 INFO L132 InterpolantAutomaton]: Constructing interpolant automaton starting with 207 interpolants. [2018-07-23 13:39:36,489 INFO L133 InterpolantAutomaton]: CoverageRelationStatistics Valid=21321, Invalid=21321, Unknown=0, NotChecked=0, Total=42642 [2018-07-23 13:39:36,489 INFO L87 Difference]: Start difference. First operand 208 states and 208 transitions. Second operand 207 states. [2018-07-23 13:39:37,574 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2018-07-23 13:39:37,574 INFO L93 Difference]: Finished difference Result 211 states and 211 transitions. [2018-07-23 13:39:37,574 INFO L142 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 207 states. [2018-07-23 13:39:37,574 INFO L78 Accepts]: Start accepts. Automaton has 207 states. Word has length 207 [2018-07-23 13:39:37,574 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2018-07-23 13:39:37,575 INFO L225 Difference]: With dead ends: 211 [2018-07-23 13:39:37,575 INFO L226 Difference]: Without dead ends: 209 [2018-07-23 13:39:37,576 INFO L575 BasicCegarLoop]: 0 DeclaredPredicates, 206 GetRequests, 1 SyntacticMatches, 0 SemanticMatches, 205 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 0 ImplicationChecksByTransitivity, 0.8s TimeCoverageRelationStatistics Valid=21321, Invalid=21321, Unknown=0, NotChecked=0, Total=42642 [2018-07-23 13:39:37,576 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 209 states. [2018-07-23 13:39:37,578 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 209 to 209. [2018-07-23 13:39:37,579 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 209 states. [2018-07-23 13:39:37,579 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 209 states to 209 states and 209 transitions. [2018-07-23 13:39:37,579 INFO L78 Accepts]: Start accepts. Automaton has 209 states and 209 transitions. Word has length 207 [2018-07-23 13:39:37,579 INFO L84 Accepts]: Finished accepts. word is rejected. [2018-07-23 13:39:37,579 INFO L471 AbstractCegarLoop]: Abstraction has 209 states and 209 transitions. [2018-07-23 13:39:37,579 INFO L472 AbstractCegarLoop]: Interpolant automaton has 207 states. [2018-07-23 13:39:37,579 INFO L276 IsEmpty]: Start isEmpty. Operand 209 states and 209 transitions. [2018-07-23 13:39:37,580 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 209 [2018-07-23 13:39:37,580 INFO L349 BasicCegarLoop]: Found error trace [2018-07-23 13:39:37,580 INFO L357 BasicCegarLoop]: trace histogram [205, 1, 1, 1] [2018-07-23 13:39:37,580 INFO L414 AbstractCegarLoop]: === Iteration 206 === [ULTIMATE.startErr0AssertViolationASSERT]=== [2018-07-23 13:39:37,580 INFO L82 PathProgramCache]: Analyzing trace with hash -1803462168, now seen corresponding path program 205 times [2018-07-23 13:39:37,580 INFO L69 tionRefinementEngine]: Using refinement strategy FixedRefinementStrategy [2018-07-23 13:39:37,770 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-07-23 13:39:38,682 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 13:39:38,682 INFO L309 seRefinementStrategy]: Constructing automaton from 0 perfect and 1 imperfect interpolant sequences. [2018-07-23 13:39:38,682 INFO L324 seRefinementStrategy]: Number of different interpolants: perfect sequences [] imperfect sequences [207] total 207 [2018-07-23 13:39:38,682 INFO L142 lantAutomatonBuilder]: Constructing canonical interpolant automaton, with selfloop in false state [2018-07-23 13:39:38,682 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 13:39:38,683 INFO L185 omatonBuilderFactory]: Interpolants [110095#true, 110097#(<= ULTIMATE.start_main_~i~4 0), 110096#false, 110099#(<= ULTIMATE.start_main_~i~4 4), 110098#(<= ULTIMATE.start_main_~i~4 2), 110101#(<= ULTIMATE.start_main_~i~4 8), 110100#(<= ULTIMATE.start_main_~i~4 6), 110103#(<= ULTIMATE.start_main_~i~4 12), 110102#(<= ULTIMATE.start_main_~i~4 10), 110105#(<= ULTIMATE.start_main_~i~4 16), 110104#(<= ULTIMATE.start_main_~i~4 14), 110107#(<= ULTIMATE.start_main_~i~4 20), 110106#(<= ULTIMATE.start_main_~i~4 18), 110109#(<= ULTIMATE.start_main_~i~4 24), 110108#(<= ULTIMATE.start_main_~i~4 22), 110111#(<= ULTIMATE.start_main_~i~4 28), 110110#(<= ULTIMATE.start_main_~i~4 26), 110113#(<= ULTIMATE.start_main_~i~4 32), 110112#(<= ULTIMATE.start_main_~i~4 30), 110115#(<= ULTIMATE.start_main_~i~4 36), 110114#(<= ULTIMATE.start_main_~i~4 34), 110117#(<= ULTIMATE.start_main_~i~4 40), 110116#(<= ULTIMATE.start_main_~i~4 38), 110119#(<= ULTIMATE.start_main_~i~4 44), 110118#(<= ULTIMATE.start_main_~i~4 42), 110121#(<= ULTIMATE.start_main_~i~4 48), 110120#(<= ULTIMATE.start_main_~i~4 46), 110123#(<= ULTIMATE.start_main_~i~4 52), 110122#(<= ULTIMATE.start_main_~i~4 50), 110125#(<= ULTIMATE.start_main_~i~4 56), 110124#(<= ULTIMATE.start_main_~i~4 54), 110127#(<= ULTIMATE.start_main_~i~4 60), 110126#(<= ULTIMATE.start_main_~i~4 58), 110129#(<= ULTIMATE.start_main_~i~4 64), 110128#(<= ULTIMATE.start_main_~i~4 62), 110131#(<= ULTIMATE.start_main_~i~4 68), 110130#(<= ULTIMATE.start_main_~i~4 66), 110133#(<= ULTIMATE.start_main_~i~4 72), 110132#(<= ULTIMATE.start_main_~i~4 70), 110135#(<= ULTIMATE.start_main_~i~4 76), 110134#(<= ULTIMATE.start_main_~i~4 74), 110137#(<= ULTIMATE.start_main_~i~4 80), 110136#(<= ULTIMATE.start_main_~i~4 78), 110139#(<= ULTIMATE.start_main_~i~4 84), 110138#(<= ULTIMATE.start_main_~i~4 82), 110141#(<= ULTIMATE.start_main_~i~4 88), 110140#(<= ULTIMATE.start_main_~i~4 86), 110143#(<= ULTIMATE.start_main_~i~4 92), 110142#(<= ULTIMATE.start_main_~i~4 90), 110145#(<= ULTIMATE.start_main_~i~4 96), 110144#(<= ULTIMATE.start_main_~i~4 94), 110147#(<= ULTIMATE.start_main_~i~4 100), 110146#(<= ULTIMATE.start_main_~i~4 98), 110149#(<= ULTIMATE.start_main_~i~4 104), 110148#(<= ULTIMATE.start_main_~i~4 102), 110151#(<= ULTIMATE.start_main_~i~4 108), 110150#(<= ULTIMATE.start_main_~i~4 106), 110153#(<= ULTIMATE.start_main_~i~4 112), 110152#(<= ULTIMATE.start_main_~i~4 110), 110155#(<= ULTIMATE.start_main_~i~4 116), 110154#(<= ULTIMATE.start_main_~i~4 114), 110157#(<= ULTIMATE.start_main_~i~4 120), 110156#(<= ULTIMATE.start_main_~i~4 118), 110159#(<= ULTIMATE.start_main_~i~4 124), 110158#(<= ULTIMATE.start_main_~i~4 122), 110161#(<= ULTIMATE.start_main_~i~4 128), 110160#(<= ULTIMATE.start_main_~i~4 126), 110163#(<= ULTIMATE.start_main_~i~4 132), 110162#(<= ULTIMATE.start_main_~i~4 130), 110165#(<= ULTIMATE.start_main_~i~4 136), 110164#(<= ULTIMATE.start_main_~i~4 134), 110167#(<= ULTIMATE.start_main_~i~4 140), 110166#(<= ULTIMATE.start_main_~i~4 138), 110169#(<= ULTIMATE.start_main_~i~4 144), 110168#(<= ULTIMATE.start_main_~i~4 142), 110171#(<= ULTIMATE.start_main_~i~4 148), 110170#(<= ULTIMATE.start_main_~i~4 146), 110173#(<= ULTIMATE.start_main_~i~4 152), 110172#(<= ULTIMATE.start_main_~i~4 150), 110175#(<= ULTIMATE.start_main_~i~4 156), 110174#(<= ULTIMATE.start_main_~i~4 154), 110177#(<= ULTIMATE.start_main_~i~4 160), 110176#(<= ULTIMATE.start_main_~i~4 158), 110179#(<= ULTIMATE.start_main_~i~4 164), 110178#(<= ULTIMATE.start_main_~i~4 162), 110181#(<= ULTIMATE.start_main_~i~4 168), 110180#(<= ULTIMATE.start_main_~i~4 166), 110183#(<= ULTIMATE.start_main_~i~4 172), 110182#(<= ULTIMATE.start_main_~i~4 170), 110185#(<= ULTIMATE.start_main_~i~4 176), 110184#(<= ULTIMATE.start_main_~i~4 174), 110187#(<= ULTIMATE.start_main_~i~4 180), 110186#(<= ULTIMATE.start_main_~i~4 178), 110189#(<= ULTIMATE.start_main_~i~4 184), 110188#(<= ULTIMATE.start_main_~i~4 182), 110191#(<= ULTIMATE.start_main_~i~4 188), 110190#(<= ULTIMATE.start_main_~i~4 186), 110193#(<= ULTIMATE.start_main_~i~4 192), 110192#(<= ULTIMATE.start_main_~i~4 190), 110195#(<= ULTIMATE.start_main_~i~4 196), 110194#(<= ULTIMATE.start_main_~i~4 194), 110197#(<= ULTIMATE.start_main_~i~4 200), 110196#(<= ULTIMATE.start_main_~i~4 198), 110199#(<= ULTIMATE.start_main_~i~4 204), 110198#(<= ULTIMATE.start_main_~i~4 202), 110201#(<= ULTIMATE.start_main_~i~4 208), 110200#(<= ULTIMATE.start_main_~i~4 206), 110203#(<= ULTIMATE.start_main_~i~4 212), 110202#(<= ULTIMATE.start_main_~i~4 210), 110205#(<= ULTIMATE.start_main_~i~4 216), 110204#(<= ULTIMATE.start_main_~i~4 214), 110207#(<= ULTIMATE.start_main_~i~4 220), 110206#(<= ULTIMATE.start_main_~i~4 218), 110209#(<= ULTIMATE.start_main_~i~4 224), 110208#(<= ULTIMATE.start_main_~i~4 222), 110211#(<= ULTIMATE.start_main_~i~4 228), 110210#(<= ULTIMATE.start_main_~i~4 226), 110213#(<= ULTIMATE.start_main_~i~4 232), 110212#(<= ULTIMATE.start_main_~i~4 230), 110215#(<= ULTIMATE.start_main_~i~4 236), 110214#(<= ULTIMATE.start_main_~i~4 234), 110217#(<= ULTIMATE.start_main_~i~4 240), 110216#(<= ULTIMATE.start_main_~i~4 238), 110219#(<= ULTIMATE.start_main_~i~4 244), 110218#(<= ULTIMATE.start_main_~i~4 242), 110221#(<= ULTIMATE.start_main_~i~4 248), 110220#(<= ULTIMATE.start_main_~i~4 246), 110223#(<= ULTIMATE.start_main_~i~4 252), 110222#(<= ULTIMATE.start_main_~i~4 250), 110225#(<= ULTIMATE.start_main_~i~4 256), 110224#(<= ULTIMATE.start_main_~i~4 254), 110227#(<= ULTIMATE.start_main_~i~4 260), 110226#(<= ULTIMATE.start_main_~i~4 258), 110229#(<= ULTIMATE.start_main_~i~4 264), 110228#(<= ULTIMATE.start_main_~i~4 262), 110231#(<= ULTIMATE.start_main_~i~4 268), 110230#(<= ULTIMATE.start_main_~i~4 266), 110233#(<= ULTIMATE.start_main_~i~4 272), 110232#(<= ULTIMATE.start_main_~i~4 270), 110235#(<= ULTIMATE.start_main_~i~4 276), 110234#(<= ULTIMATE.start_main_~i~4 274), 110237#(<= ULTIMATE.start_main_~i~4 280), 110236#(<= ULTIMATE.start_main_~i~4 278), 110239#(<= ULTIMATE.start_main_~i~4 284), 110238#(<= ULTIMATE.start_main_~i~4 282), 110241#(<= ULTIMATE.start_main_~i~4 288), 110240#(<= ULTIMATE.start_main_~i~4 286), 110243#(<= ULTIMATE.start_main_~i~4 292), 110242#(<= ULTIMATE.start_main_~i~4 290), 110245#(<= ULTIMATE.start_main_~i~4 296), 110244#(<= ULTIMATE.start_main_~i~4 294), 110247#(<= ULTIMATE.start_main_~i~4 300), 110246#(<= ULTIMATE.start_main_~i~4 298), 110249#(<= ULTIMATE.start_main_~i~4 304), 110248#(<= ULTIMATE.start_main_~i~4 302), 110251#(<= ULTIMATE.start_main_~i~4 308), 110250#(<= ULTIMATE.start_main_~i~4 306), 110253#(<= ULTIMATE.start_main_~i~4 312), 110252#(<= ULTIMATE.start_main_~i~4 310), 110255#(<= ULTIMATE.start_main_~i~4 316), 110254#(<= ULTIMATE.start_main_~i~4 314), 110257#(<= ULTIMATE.start_main_~i~4 320), 110256#(<= ULTIMATE.start_main_~i~4 318), 110259#(<= ULTIMATE.start_main_~i~4 324), 110258#(<= ULTIMATE.start_main_~i~4 322), 110261#(<= ULTIMATE.start_main_~i~4 328), 110260#(<= ULTIMATE.start_main_~i~4 326), 110263#(<= ULTIMATE.start_main_~i~4 332), 110262#(<= ULTIMATE.start_main_~i~4 330), 110265#(<= ULTIMATE.start_main_~i~4 336), 110264#(<= ULTIMATE.start_main_~i~4 334), 110267#(<= ULTIMATE.start_main_~i~4 340), 110266#(<= ULTIMATE.start_main_~i~4 338), 110269#(<= ULTIMATE.start_main_~i~4 344), 110268#(<= ULTIMATE.start_main_~i~4 342), 110271#(<= ULTIMATE.start_main_~i~4 348), 110270#(<= ULTIMATE.start_main_~i~4 346), 110273#(<= ULTIMATE.start_main_~i~4 352), 110272#(<= ULTIMATE.start_main_~i~4 350), 110275#(<= ULTIMATE.start_main_~i~4 356), 110274#(<= ULTIMATE.start_main_~i~4 354), 110277#(<= ULTIMATE.start_main_~i~4 360), 110276#(<= ULTIMATE.start_main_~i~4 358), 110279#(<= ULTIMATE.start_main_~i~4 364), 110278#(<= ULTIMATE.start_main_~i~4 362), 110281#(<= ULTIMATE.start_main_~i~4 368), 110280#(<= ULTIMATE.start_main_~i~4 366), 110283#(<= ULTIMATE.start_main_~i~4 372), 110282#(<= ULTIMATE.start_main_~i~4 370), 110285#(<= ULTIMATE.start_main_~i~4 376), 110284#(<= ULTIMATE.start_main_~i~4 374), 110287#(<= ULTIMATE.start_main_~i~4 380), 110286#(<= ULTIMATE.start_main_~i~4 378), 110289#(<= ULTIMATE.start_main_~i~4 384), 110288#(<= ULTIMATE.start_main_~i~4 382), 110291#(<= ULTIMATE.start_main_~i~4 388), 110290#(<= ULTIMATE.start_main_~i~4 386), 110293#(<= ULTIMATE.start_main_~i~4 392), 110292#(<= ULTIMATE.start_main_~i~4 390), 110295#(<= ULTIMATE.start_main_~i~4 396), 110294#(<= ULTIMATE.start_main_~i~4 394), 110297#(<= ULTIMATE.start_main_~i~4 400), 110296#(<= ULTIMATE.start_main_~i~4 398), 110299#(<= ULTIMATE.start_main_~i~4 404), 110298#(<= ULTIMATE.start_main_~i~4 402), 110301#(<= ULTIMATE.start_main_~i~4 408), 110300#(<= ULTIMATE.start_main_~i~4 406), 110302#(<= ULTIMATE.start_main_~i~4 410)] [2018-07-23 13:39:38,684 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 13:39:38,684 INFO L450 AbstractCegarLoop]: Interpolant automaton has 208 states [2018-07-23 13:39:38,687 INFO L132 InterpolantAutomaton]: Constructing interpolant automaton starting with 208 interpolants. [2018-07-23 13:39:38,688 INFO L133 InterpolantAutomaton]: CoverageRelationStatistics Valid=21528, Invalid=21528, Unknown=0, NotChecked=0, Total=43056 [2018-07-23 13:39:38,688 INFO L87 Difference]: Start difference. First operand 209 states and 209 transitions. Second operand 208 states. [2018-07-23 13:39:39,915 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2018-07-23 13:39:39,915 INFO L93 Difference]: Finished difference Result 212 states and 212 transitions. [2018-07-23 13:39:39,915 INFO L142 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 208 states. [2018-07-23 13:39:39,915 INFO L78 Accepts]: Start accepts. Automaton has 208 states. Word has length 208 [2018-07-23 13:39:39,915 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2018-07-23 13:39:39,915 INFO L225 Difference]: With dead ends: 212 [2018-07-23 13:39:39,916 INFO L226 Difference]: Without dead ends: 210 [2018-07-23 13:39:39,917 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 13:39:39,918 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 210 states. [2018-07-23 13:39:39,919 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 210 to 210. [2018-07-23 13:39:39,919 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 210 states. [2018-07-23 13:39:39,920 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 210 states to 210 states and 210 transitions. [2018-07-23 13:39:39,920 INFO L78 Accepts]: Start accepts. Automaton has 210 states and 210 transitions. Word has length 208 [2018-07-23 13:39:39,920 INFO L84 Accepts]: Finished accepts. word is rejected. [2018-07-23 13:39:39,920 INFO L471 AbstractCegarLoop]: Abstraction has 210 states and 210 transitions. [2018-07-23 13:39:39,920 INFO L472 AbstractCegarLoop]: Interpolant automaton has 208 states. [2018-07-23 13:39:39,920 INFO L276 IsEmpty]: Start isEmpty. Operand 210 states and 210 transitions. [2018-07-23 13:39:39,920 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 210 [2018-07-23 13:39:39,921 INFO L349 BasicCegarLoop]: Found error trace [2018-07-23 13:39:39,921 INFO L357 BasicCegarLoop]: trace histogram [206, 1, 1, 1] [2018-07-23 13:39:39,921 INFO L414 AbstractCegarLoop]: === Iteration 207 === [ULTIMATE.startErr0AssertViolationASSERT]=== [2018-07-23 13:39:39,921 INFO L82 PathProgramCache]: Analyzing trace with hash -72754335, now seen corresponding path program 206 times [2018-07-23 13:39:39,921 INFO L69 tionRefinementEngine]: Using refinement strategy FixedRefinementStrategy [2018-07-23 13:39:40,106 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-07-23 13:39:41,063 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 13:39:41,063 INFO L309 seRefinementStrategy]: Constructing automaton from 0 perfect and 1 imperfect interpolant sequences. [2018-07-23 13:39:41,063 INFO L324 seRefinementStrategy]: Number of different interpolants: perfect sequences [] imperfect sequences [208] total 208 [2018-07-23 13:39:41,064 INFO L142 lantAutomatonBuilder]: Constructing canonical interpolant automaton, with selfloop in false state [2018-07-23 13:39:41,064 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2018-07-23 13:39:41,064 INFO L185 omatonBuilderFactory]: Interpolants [111147#true, 111149#(<= ULTIMATE.start_main_~i~4 0), 111148#false, 111151#(<= ULTIMATE.start_main_~i~4 4), 111150#(<= ULTIMATE.start_main_~i~4 2), 111153#(<= ULTIMATE.start_main_~i~4 8), 111152#(<= ULTIMATE.start_main_~i~4 6), 111155#(<= ULTIMATE.start_main_~i~4 12), 111154#(<= ULTIMATE.start_main_~i~4 10), 111157#(<= ULTIMATE.start_main_~i~4 16), 111156#(<= ULTIMATE.start_main_~i~4 14), 111159#(<= ULTIMATE.start_main_~i~4 20), 111158#(<= ULTIMATE.start_main_~i~4 18), 111161#(<= ULTIMATE.start_main_~i~4 24), 111160#(<= ULTIMATE.start_main_~i~4 22), 111163#(<= ULTIMATE.start_main_~i~4 28), 111162#(<= ULTIMATE.start_main_~i~4 26), 111165#(<= ULTIMATE.start_main_~i~4 32), 111164#(<= ULTIMATE.start_main_~i~4 30), 111167#(<= ULTIMATE.start_main_~i~4 36), 111166#(<= ULTIMATE.start_main_~i~4 34), 111169#(<= ULTIMATE.start_main_~i~4 40), 111168#(<= ULTIMATE.start_main_~i~4 38), 111171#(<= ULTIMATE.start_main_~i~4 44), 111170#(<= ULTIMATE.start_main_~i~4 42), 111173#(<= ULTIMATE.start_main_~i~4 48), 111172#(<= ULTIMATE.start_main_~i~4 46), 111175#(<= ULTIMATE.start_main_~i~4 52), 111174#(<= ULTIMATE.start_main_~i~4 50), 111177#(<= ULTIMATE.start_main_~i~4 56), 111176#(<= ULTIMATE.start_main_~i~4 54), 111179#(<= ULTIMATE.start_main_~i~4 60), 111178#(<= ULTIMATE.start_main_~i~4 58), 111181#(<= ULTIMATE.start_main_~i~4 64), 111180#(<= ULTIMATE.start_main_~i~4 62), 111183#(<= ULTIMATE.start_main_~i~4 68), 111182#(<= ULTIMATE.start_main_~i~4 66), 111185#(<= ULTIMATE.start_main_~i~4 72), 111184#(<= ULTIMATE.start_main_~i~4 70), 111187#(<= ULTIMATE.start_main_~i~4 76), 111186#(<= ULTIMATE.start_main_~i~4 74), 111189#(<= ULTIMATE.start_main_~i~4 80), 111188#(<= ULTIMATE.start_main_~i~4 78), 111191#(<= ULTIMATE.start_main_~i~4 84), 111190#(<= ULTIMATE.start_main_~i~4 82), 111193#(<= ULTIMATE.start_main_~i~4 88), 111192#(<= ULTIMATE.start_main_~i~4 86), 111195#(<= ULTIMATE.start_main_~i~4 92), 111194#(<= ULTIMATE.start_main_~i~4 90), 111197#(<= ULTIMATE.start_main_~i~4 96), 111196#(<= ULTIMATE.start_main_~i~4 94), 111199#(<= ULTIMATE.start_main_~i~4 100), 111198#(<= ULTIMATE.start_main_~i~4 98), 111201#(<= ULTIMATE.start_main_~i~4 104), 111200#(<= ULTIMATE.start_main_~i~4 102), 111203#(<= ULTIMATE.start_main_~i~4 108), 111202#(<= ULTIMATE.start_main_~i~4 106), 111205#(<= ULTIMATE.start_main_~i~4 112), 111204#(<= ULTIMATE.start_main_~i~4 110), 111207#(<= ULTIMATE.start_main_~i~4 116), 111206#(<= ULTIMATE.start_main_~i~4 114), 111209#(<= ULTIMATE.start_main_~i~4 120), 111208#(<= ULTIMATE.start_main_~i~4 118), 111211#(<= ULTIMATE.start_main_~i~4 124), 111210#(<= ULTIMATE.start_main_~i~4 122), 111213#(<= ULTIMATE.start_main_~i~4 128), 111212#(<= ULTIMATE.start_main_~i~4 126), 111215#(<= ULTIMATE.start_main_~i~4 132), 111214#(<= ULTIMATE.start_main_~i~4 130), 111217#(<= ULTIMATE.start_main_~i~4 136), 111216#(<= ULTIMATE.start_main_~i~4 134), 111219#(<= ULTIMATE.start_main_~i~4 140), 111218#(<= ULTIMATE.start_main_~i~4 138), 111221#(<= ULTIMATE.start_main_~i~4 144), 111220#(<= ULTIMATE.start_main_~i~4 142), 111223#(<= ULTIMATE.start_main_~i~4 148), 111222#(<= ULTIMATE.start_main_~i~4 146), 111225#(<= ULTIMATE.start_main_~i~4 152), 111224#(<= ULTIMATE.start_main_~i~4 150), 111227#(<= ULTIMATE.start_main_~i~4 156), 111226#(<= ULTIMATE.start_main_~i~4 154), 111229#(<= ULTIMATE.start_main_~i~4 160), 111228#(<= ULTIMATE.start_main_~i~4 158), 111231#(<= ULTIMATE.start_main_~i~4 164), 111230#(<= ULTIMATE.start_main_~i~4 162), 111233#(<= ULTIMATE.start_main_~i~4 168), 111232#(<= ULTIMATE.start_main_~i~4 166), 111235#(<= ULTIMATE.start_main_~i~4 172), 111234#(<= ULTIMATE.start_main_~i~4 170), 111237#(<= ULTIMATE.start_main_~i~4 176), 111236#(<= ULTIMATE.start_main_~i~4 174), 111239#(<= ULTIMATE.start_main_~i~4 180), 111238#(<= ULTIMATE.start_main_~i~4 178), 111241#(<= ULTIMATE.start_main_~i~4 184), 111240#(<= ULTIMATE.start_main_~i~4 182), 111243#(<= ULTIMATE.start_main_~i~4 188), 111242#(<= ULTIMATE.start_main_~i~4 186), 111245#(<= ULTIMATE.start_main_~i~4 192), 111244#(<= ULTIMATE.start_main_~i~4 190), 111247#(<= ULTIMATE.start_main_~i~4 196), 111246#(<= ULTIMATE.start_main_~i~4 194), 111249#(<= ULTIMATE.start_main_~i~4 200), 111248#(<= ULTIMATE.start_main_~i~4 198), 111251#(<= ULTIMATE.start_main_~i~4 204), 111250#(<= ULTIMATE.start_main_~i~4 202), 111253#(<= ULTIMATE.start_main_~i~4 208), 111252#(<= ULTIMATE.start_main_~i~4 206), 111255#(<= ULTIMATE.start_main_~i~4 212), 111254#(<= ULTIMATE.start_main_~i~4 210), 111257#(<= ULTIMATE.start_main_~i~4 216), 111256#(<= ULTIMATE.start_main_~i~4 214), 111259#(<= ULTIMATE.start_main_~i~4 220), 111258#(<= ULTIMATE.start_main_~i~4 218), 111261#(<= ULTIMATE.start_main_~i~4 224), 111260#(<= ULTIMATE.start_main_~i~4 222), 111263#(<= ULTIMATE.start_main_~i~4 228), 111262#(<= ULTIMATE.start_main_~i~4 226), 111265#(<= ULTIMATE.start_main_~i~4 232), 111264#(<= ULTIMATE.start_main_~i~4 230), 111267#(<= ULTIMATE.start_main_~i~4 236), 111266#(<= ULTIMATE.start_main_~i~4 234), 111269#(<= ULTIMATE.start_main_~i~4 240), 111268#(<= ULTIMATE.start_main_~i~4 238), 111271#(<= ULTIMATE.start_main_~i~4 244), 111270#(<= ULTIMATE.start_main_~i~4 242), 111273#(<= ULTIMATE.start_main_~i~4 248), 111272#(<= ULTIMATE.start_main_~i~4 246), 111275#(<= ULTIMATE.start_main_~i~4 252), 111274#(<= ULTIMATE.start_main_~i~4 250), 111277#(<= ULTIMATE.start_main_~i~4 256), 111276#(<= ULTIMATE.start_main_~i~4 254), 111279#(<= ULTIMATE.start_main_~i~4 260), 111278#(<= ULTIMATE.start_main_~i~4 258), 111281#(<= ULTIMATE.start_main_~i~4 264), 111280#(<= ULTIMATE.start_main_~i~4 262), 111283#(<= ULTIMATE.start_main_~i~4 268), 111282#(<= ULTIMATE.start_main_~i~4 266), 111285#(<= ULTIMATE.start_main_~i~4 272), 111284#(<= ULTIMATE.start_main_~i~4 270), 111287#(<= ULTIMATE.start_main_~i~4 276), 111286#(<= ULTIMATE.start_main_~i~4 274), 111289#(<= ULTIMATE.start_main_~i~4 280), 111288#(<= ULTIMATE.start_main_~i~4 278), 111291#(<= ULTIMATE.start_main_~i~4 284), 111290#(<= ULTIMATE.start_main_~i~4 282), 111293#(<= ULTIMATE.start_main_~i~4 288), 111292#(<= ULTIMATE.start_main_~i~4 286), 111295#(<= ULTIMATE.start_main_~i~4 292), 111294#(<= ULTIMATE.start_main_~i~4 290), 111297#(<= ULTIMATE.start_main_~i~4 296), 111296#(<= ULTIMATE.start_main_~i~4 294), 111299#(<= ULTIMATE.start_main_~i~4 300), 111298#(<= ULTIMATE.start_main_~i~4 298), 111301#(<= ULTIMATE.start_main_~i~4 304), 111300#(<= ULTIMATE.start_main_~i~4 302), 111303#(<= ULTIMATE.start_main_~i~4 308), 111302#(<= ULTIMATE.start_main_~i~4 306), 111305#(<= ULTIMATE.start_main_~i~4 312), 111304#(<= ULTIMATE.start_main_~i~4 310), 111307#(<= ULTIMATE.start_main_~i~4 316), 111306#(<= ULTIMATE.start_main_~i~4 314), 111309#(<= ULTIMATE.start_main_~i~4 320), 111308#(<= ULTIMATE.start_main_~i~4 318), 111311#(<= ULTIMATE.start_main_~i~4 324), 111310#(<= ULTIMATE.start_main_~i~4 322), 111313#(<= ULTIMATE.start_main_~i~4 328), 111312#(<= ULTIMATE.start_main_~i~4 326), 111315#(<= ULTIMATE.start_main_~i~4 332), 111314#(<= ULTIMATE.start_main_~i~4 330), 111317#(<= ULTIMATE.start_main_~i~4 336), 111316#(<= ULTIMATE.start_main_~i~4 334), 111319#(<= ULTIMATE.start_main_~i~4 340), 111318#(<= ULTIMATE.start_main_~i~4 338), 111321#(<= ULTIMATE.start_main_~i~4 344), 111320#(<= ULTIMATE.start_main_~i~4 342), 111323#(<= ULTIMATE.start_main_~i~4 348), 111322#(<= ULTIMATE.start_main_~i~4 346), 111325#(<= ULTIMATE.start_main_~i~4 352), 111324#(<= ULTIMATE.start_main_~i~4 350), 111327#(<= ULTIMATE.start_main_~i~4 356), 111326#(<= ULTIMATE.start_main_~i~4 354), 111329#(<= ULTIMATE.start_main_~i~4 360), 111328#(<= ULTIMATE.start_main_~i~4 358), 111331#(<= ULTIMATE.start_main_~i~4 364), 111330#(<= ULTIMATE.start_main_~i~4 362), 111333#(<= ULTIMATE.start_main_~i~4 368), 111332#(<= ULTIMATE.start_main_~i~4 366), 111335#(<= ULTIMATE.start_main_~i~4 372), 111334#(<= ULTIMATE.start_main_~i~4 370), 111337#(<= ULTIMATE.start_main_~i~4 376), 111336#(<= ULTIMATE.start_main_~i~4 374), 111339#(<= ULTIMATE.start_main_~i~4 380), 111338#(<= ULTIMATE.start_main_~i~4 378), 111341#(<= ULTIMATE.start_main_~i~4 384), 111340#(<= ULTIMATE.start_main_~i~4 382), 111343#(<= ULTIMATE.start_main_~i~4 388), 111342#(<= ULTIMATE.start_main_~i~4 386), 111345#(<= ULTIMATE.start_main_~i~4 392), 111344#(<= ULTIMATE.start_main_~i~4 390), 111347#(<= ULTIMATE.start_main_~i~4 396), 111346#(<= ULTIMATE.start_main_~i~4 394), 111349#(<= ULTIMATE.start_main_~i~4 400), 111348#(<= ULTIMATE.start_main_~i~4 398), 111351#(<= ULTIMATE.start_main_~i~4 404), 111350#(<= ULTIMATE.start_main_~i~4 402), 111353#(<= ULTIMATE.start_main_~i~4 408), 111352#(<= ULTIMATE.start_main_~i~4 406), 111355#(<= ULTIMATE.start_main_~i~4 412), 111354#(<= ULTIMATE.start_main_~i~4 410)] [2018-07-23 13:39:41,065 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 13:39:41,065 INFO L450 AbstractCegarLoop]: Interpolant automaton has 209 states [2018-07-23 13:39:41,068 INFO L132 InterpolantAutomaton]: Constructing interpolant automaton starting with 209 interpolants. [2018-07-23 13:39:41,070 INFO L133 InterpolantAutomaton]: CoverageRelationStatistics Valid=21736, Invalid=21736, Unknown=0, NotChecked=0, Total=43472 [2018-07-23 13:39:41,070 INFO L87 Difference]: Start difference. First operand 210 states and 210 transitions. Second operand 209 states. [2018-07-23 13:39:42,224 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2018-07-23 13:39:42,224 INFO L93 Difference]: Finished difference Result 213 states and 213 transitions. [2018-07-23 13:39:42,224 INFO L142 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 209 states. [2018-07-23 13:39:42,224 INFO L78 Accepts]: Start accepts. Automaton has 209 states. Word has length 209 [2018-07-23 13:39:42,225 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2018-07-23 13:39:42,225 INFO L225 Difference]: With dead ends: 213 [2018-07-23 13:39:42,225 INFO L226 Difference]: Without dead ends: 211 [2018-07-23 13:39:42,226 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 13:39:42,226 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 211 states. [2018-07-23 13:39:42,227 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 211 to 211. [2018-07-23 13:39:42,228 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 211 states. [2018-07-23 13:39:42,228 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 211 states to 211 states and 211 transitions. [2018-07-23 13:39:42,228 INFO L78 Accepts]: Start accepts. Automaton has 211 states and 211 transitions. Word has length 209 [2018-07-23 13:39:42,228 INFO L84 Accepts]: Finished accepts. word is rejected. [2018-07-23 13:39:42,228 INFO L471 AbstractCegarLoop]: Abstraction has 211 states and 211 transitions. [2018-07-23 13:39:42,228 INFO L472 AbstractCegarLoop]: Interpolant automaton has 209 states. [2018-07-23 13:39:42,228 INFO L276 IsEmpty]: Start isEmpty. Operand 211 states and 211 transitions. [2018-07-23 13:39:42,229 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 211 [2018-07-23 13:39:42,229 INFO L349 BasicCegarLoop]: Found error trace [2018-07-23 13:39:42,229 INFO L357 BasicCegarLoop]: trace histogram [207, 1, 1, 1] [2018-07-23 13:39:42,229 INFO L414 AbstractCegarLoop]: === Iteration 208 === [ULTIMATE.startErr0AssertViolationASSERT]=== [2018-07-23 13:39:42,229 INFO L82 PathProgramCache]: Analyzing trace with hash 2039580936, now seen corresponding path program 207 times [2018-07-23 13:39:42,229 INFO L69 tionRefinementEngine]: Using refinement strategy FixedRefinementStrategy [2018-07-23 13:39:42,430 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-07-23 13:39:43,364 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 13:39:43,364 INFO L309 seRefinementStrategy]: Constructing automaton from 0 perfect and 1 imperfect interpolant sequences. [2018-07-23 13:39:43,364 INFO L324 seRefinementStrategy]: Number of different interpolants: perfect sequences [] imperfect sequences [209] total 209 [2018-07-23 13:39:43,364 INFO L142 lantAutomatonBuilder]: Constructing canonical interpolant automaton, with selfloop in false state [2018-07-23 13:39:43,365 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2018-07-23 13:39:43,365 INFO L185 omatonBuilderFactory]: Interpolants [112205#false, 112204#true, 112207#(<= ULTIMATE.start_main_~i~4 2), 112206#(<= ULTIMATE.start_main_~i~4 0), 112209#(<= ULTIMATE.start_main_~i~4 6), 112208#(<= ULTIMATE.start_main_~i~4 4), 112211#(<= ULTIMATE.start_main_~i~4 10), 112210#(<= ULTIMATE.start_main_~i~4 8), 112213#(<= ULTIMATE.start_main_~i~4 14), 112212#(<= ULTIMATE.start_main_~i~4 12), 112215#(<= ULTIMATE.start_main_~i~4 18), 112214#(<= ULTIMATE.start_main_~i~4 16), 112217#(<= ULTIMATE.start_main_~i~4 22), 112216#(<= ULTIMATE.start_main_~i~4 20), 112219#(<= ULTIMATE.start_main_~i~4 26), 112218#(<= ULTIMATE.start_main_~i~4 24), 112221#(<= ULTIMATE.start_main_~i~4 30), 112220#(<= ULTIMATE.start_main_~i~4 28), 112223#(<= ULTIMATE.start_main_~i~4 34), 112222#(<= ULTIMATE.start_main_~i~4 32), 112225#(<= ULTIMATE.start_main_~i~4 38), 112224#(<= ULTIMATE.start_main_~i~4 36), 112227#(<= ULTIMATE.start_main_~i~4 42), 112226#(<= ULTIMATE.start_main_~i~4 40), 112229#(<= ULTIMATE.start_main_~i~4 46), 112228#(<= ULTIMATE.start_main_~i~4 44), 112231#(<= ULTIMATE.start_main_~i~4 50), 112230#(<= ULTIMATE.start_main_~i~4 48), 112233#(<= ULTIMATE.start_main_~i~4 54), 112232#(<= ULTIMATE.start_main_~i~4 52), 112235#(<= ULTIMATE.start_main_~i~4 58), 112234#(<= ULTIMATE.start_main_~i~4 56), 112237#(<= ULTIMATE.start_main_~i~4 62), 112236#(<= ULTIMATE.start_main_~i~4 60), 112239#(<= ULTIMATE.start_main_~i~4 66), 112238#(<= ULTIMATE.start_main_~i~4 64), 112241#(<= ULTIMATE.start_main_~i~4 70), 112240#(<= ULTIMATE.start_main_~i~4 68), 112243#(<= ULTIMATE.start_main_~i~4 74), 112242#(<= ULTIMATE.start_main_~i~4 72), 112245#(<= ULTIMATE.start_main_~i~4 78), 112244#(<= ULTIMATE.start_main_~i~4 76), 112247#(<= ULTIMATE.start_main_~i~4 82), 112246#(<= ULTIMATE.start_main_~i~4 80), 112249#(<= ULTIMATE.start_main_~i~4 86), 112248#(<= ULTIMATE.start_main_~i~4 84), 112251#(<= ULTIMATE.start_main_~i~4 90), 112250#(<= ULTIMATE.start_main_~i~4 88), 112253#(<= ULTIMATE.start_main_~i~4 94), 112252#(<= ULTIMATE.start_main_~i~4 92), 112255#(<= ULTIMATE.start_main_~i~4 98), 112254#(<= ULTIMATE.start_main_~i~4 96), 112257#(<= ULTIMATE.start_main_~i~4 102), 112256#(<= ULTIMATE.start_main_~i~4 100), 112259#(<= ULTIMATE.start_main_~i~4 106), 112258#(<= ULTIMATE.start_main_~i~4 104), 112261#(<= ULTIMATE.start_main_~i~4 110), 112260#(<= ULTIMATE.start_main_~i~4 108), 112263#(<= ULTIMATE.start_main_~i~4 114), 112262#(<= ULTIMATE.start_main_~i~4 112), 112265#(<= ULTIMATE.start_main_~i~4 118), 112264#(<= ULTIMATE.start_main_~i~4 116), 112267#(<= ULTIMATE.start_main_~i~4 122), 112266#(<= ULTIMATE.start_main_~i~4 120), 112269#(<= ULTIMATE.start_main_~i~4 126), 112268#(<= ULTIMATE.start_main_~i~4 124), 112271#(<= ULTIMATE.start_main_~i~4 130), 112270#(<= ULTIMATE.start_main_~i~4 128), 112273#(<= ULTIMATE.start_main_~i~4 134), 112272#(<= ULTIMATE.start_main_~i~4 132), 112275#(<= ULTIMATE.start_main_~i~4 138), 112274#(<= ULTIMATE.start_main_~i~4 136), 112277#(<= ULTIMATE.start_main_~i~4 142), 112276#(<= ULTIMATE.start_main_~i~4 140), 112279#(<= ULTIMATE.start_main_~i~4 146), 112278#(<= ULTIMATE.start_main_~i~4 144), 112281#(<= ULTIMATE.start_main_~i~4 150), 112280#(<= ULTIMATE.start_main_~i~4 148), 112283#(<= ULTIMATE.start_main_~i~4 154), 112282#(<= ULTIMATE.start_main_~i~4 152), 112285#(<= ULTIMATE.start_main_~i~4 158), 112284#(<= ULTIMATE.start_main_~i~4 156), 112287#(<= ULTIMATE.start_main_~i~4 162), 112286#(<= ULTIMATE.start_main_~i~4 160), 112289#(<= ULTIMATE.start_main_~i~4 166), 112288#(<= ULTIMATE.start_main_~i~4 164), 112291#(<= ULTIMATE.start_main_~i~4 170), 112290#(<= ULTIMATE.start_main_~i~4 168), 112293#(<= ULTIMATE.start_main_~i~4 174), 112292#(<= ULTIMATE.start_main_~i~4 172), 112295#(<= ULTIMATE.start_main_~i~4 178), 112294#(<= ULTIMATE.start_main_~i~4 176), 112297#(<= ULTIMATE.start_main_~i~4 182), 112296#(<= ULTIMATE.start_main_~i~4 180), 112299#(<= ULTIMATE.start_main_~i~4 186), 112298#(<= ULTIMATE.start_main_~i~4 184), 112301#(<= ULTIMATE.start_main_~i~4 190), 112300#(<= ULTIMATE.start_main_~i~4 188), 112303#(<= ULTIMATE.start_main_~i~4 194), 112302#(<= ULTIMATE.start_main_~i~4 192), 112305#(<= ULTIMATE.start_main_~i~4 198), 112304#(<= ULTIMATE.start_main_~i~4 196), 112307#(<= ULTIMATE.start_main_~i~4 202), 112306#(<= ULTIMATE.start_main_~i~4 200), 112309#(<= ULTIMATE.start_main_~i~4 206), 112308#(<= ULTIMATE.start_main_~i~4 204), 112311#(<= ULTIMATE.start_main_~i~4 210), 112310#(<= ULTIMATE.start_main_~i~4 208), 112313#(<= ULTIMATE.start_main_~i~4 214), 112312#(<= ULTIMATE.start_main_~i~4 212), 112315#(<= ULTIMATE.start_main_~i~4 218), 112314#(<= ULTIMATE.start_main_~i~4 216), 112317#(<= ULTIMATE.start_main_~i~4 222), 112316#(<= ULTIMATE.start_main_~i~4 220), 112319#(<= ULTIMATE.start_main_~i~4 226), 112318#(<= ULTIMATE.start_main_~i~4 224), 112321#(<= ULTIMATE.start_main_~i~4 230), 112320#(<= ULTIMATE.start_main_~i~4 228), 112323#(<= ULTIMATE.start_main_~i~4 234), 112322#(<= ULTIMATE.start_main_~i~4 232), 112325#(<= ULTIMATE.start_main_~i~4 238), 112324#(<= ULTIMATE.start_main_~i~4 236), 112327#(<= ULTIMATE.start_main_~i~4 242), 112326#(<= ULTIMATE.start_main_~i~4 240), 112329#(<= ULTIMATE.start_main_~i~4 246), 112328#(<= ULTIMATE.start_main_~i~4 244), 112331#(<= ULTIMATE.start_main_~i~4 250), 112330#(<= ULTIMATE.start_main_~i~4 248), 112333#(<= ULTIMATE.start_main_~i~4 254), 112332#(<= ULTIMATE.start_main_~i~4 252), 112335#(<= ULTIMATE.start_main_~i~4 258), 112334#(<= ULTIMATE.start_main_~i~4 256), 112337#(<= ULTIMATE.start_main_~i~4 262), 112336#(<= ULTIMATE.start_main_~i~4 260), 112339#(<= ULTIMATE.start_main_~i~4 266), 112338#(<= ULTIMATE.start_main_~i~4 264), 112341#(<= ULTIMATE.start_main_~i~4 270), 112340#(<= ULTIMATE.start_main_~i~4 268), 112343#(<= ULTIMATE.start_main_~i~4 274), 112342#(<= ULTIMATE.start_main_~i~4 272), 112345#(<= ULTIMATE.start_main_~i~4 278), 112344#(<= ULTIMATE.start_main_~i~4 276), 112347#(<= ULTIMATE.start_main_~i~4 282), 112346#(<= ULTIMATE.start_main_~i~4 280), 112349#(<= ULTIMATE.start_main_~i~4 286), 112348#(<= ULTIMATE.start_main_~i~4 284), 112351#(<= ULTIMATE.start_main_~i~4 290), 112350#(<= ULTIMATE.start_main_~i~4 288), 112353#(<= ULTIMATE.start_main_~i~4 294), 112352#(<= ULTIMATE.start_main_~i~4 292), 112355#(<= ULTIMATE.start_main_~i~4 298), 112354#(<= ULTIMATE.start_main_~i~4 296), 112357#(<= ULTIMATE.start_main_~i~4 302), 112356#(<= ULTIMATE.start_main_~i~4 300), 112359#(<= ULTIMATE.start_main_~i~4 306), 112358#(<= ULTIMATE.start_main_~i~4 304), 112361#(<= ULTIMATE.start_main_~i~4 310), 112360#(<= ULTIMATE.start_main_~i~4 308), 112363#(<= ULTIMATE.start_main_~i~4 314), 112362#(<= ULTIMATE.start_main_~i~4 312), 112365#(<= ULTIMATE.start_main_~i~4 318), 112364#(<= ULTIMATE.start_main_~i~4 316), 112367#(<= ULTIMATE.start_main_~i~4 322), 112366#(<= ULTIMATE.start_main_~i~4 320), 112369#(<= ULTIMATE.start_main_~i~4 326), 112368#(<= ULTIMATE.start_main_~i~4 324), 112371#(<= ULTIMATE.start_main_~i~4 330), 112370#(<= ULTIMATE.start_main_~i~4 328), 112373#(<= ULTIMATE.start_main_~i~4 334), 112372#(<= ULTIMATE.start_main_~i~4 332), 112375#(<= ULTIMATE.start_main_~i~4 338), 112374#(<= ULTIMATE.start_main_~i~4 336), 112377#(<= ULTIMATE.start_main_~i~4 342), 112376#(<= ULTIMATE.start_main_~i~4 340), 112379#(<= ULTIMATE.start_main_~i~4 346), 112378#(<= ULTIMATE.start_main_~i~4 344), 112381#(<= ULTIMATE.start_main_~i~4 350), 112380#(<= ULTIMATE.start_main_~i~4 348), 112383#(<= ULTIMATE.start_main_~i~4 354), 112382#(<= ULTIMATE.start_main_~i~4 352), 112385#(<= ULTIMATE.start_main_~i~4 358), 112384#(<= ULTIMATE.start_main_~i~4 356), 112387#(<= ULTIMATE.start_main_~i~4 362), 112386#(<= ULTIMATE.start_main_~i~4 360), 112389#(<= ULTIMATE.start_main_~i~4 366), 112388#(<= ULTIMATE.start_main_~i~4 364), 112391#(<= ULTIMATE.start_main_~i~4 370), 112390#(<= ULTIMATE.start_main_~i~4 368), 112393#(<= ULTIMATE.start_main_~i~4 374), 112392#(<= ULTIMATE.start_main_~i~4 372), 112395#(<= ULTIMATE.start_main_~i~4 378), 112394#(<= ULTIMATE.start_main_~i~4 376), 112397#(<= ULTIMATE.start_main_~i~4 382), 112396#(<= ULTIMATE.start_main_~i~4 380), 112399#(<= ULTIMATE.start_main_~i~4 386), 112398#(<= ULTIMATE.start_main_~i~4 384), 112401#(<= ULTIMATE.start_main_~i~4 390), 112400#(<= ULTIMATE.start_main_~i~4 388), 112403#(<= ULTIMATE.start_main_~i~4 394), 112402#(<= ULTIMATE.start_main_~i~4 392), 112405#(<= ULTIMATE.start_main_~i~4 398), 112404#(<= ULTIMATE.start_main_~i~4 396), 112407#(<= ULTIMATE.start_main_~i~4 402), 112406#(<= ULTIMATE.start_main_~i~4 400), 112409#(<= ULTIMATE.start_main_~i~4 406), 112408#(<= ULTIMATE.start_main_~i~4 404), 112411#(<= ULTIMATE.start_main_~i~4 410), 112410#(<= ULTIMATE.start_main_~i~4 408), 112413#(<= ULTIMATE.start_main_~i~4 414), 112412#(<= ULTIMATE.start_main_~i~4 412)] [2018-07-23 13:39:43,366 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 13:39:43,366 INFO L450 AbstractCegarLoop]: Interpolant automaton has 210 states [2018-07-23 13:39:43,369 INFO L132 InterpolantAutomaton]: Constructing interpolant automaton starting with 210 interpolants. [2018-07-23 13:39:43,370 INFO L133 InterpolantAutomaton]: CoverageRelationStatistics Valid=21945, Invalid=21945, Unknown=0, NotChecked=0, Total=43890 [2018-07-23 13:39:43,371 INFO L87 Difference]: Start difference. First operand 211 states and 211 transitions. Second operand 210 states. [2018-07-23 13:39:44,323 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2018-07-23 13:39:44,323 INFO L93 Difference]: Finished difference Result 214 states and 214 transitions. [2018-07-23 13:39:44,323 INFO L142 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 210 states. [2018-07-23 13:39:44,323 INFO L78 Accepts]: Start accepts. Automaton has 210 states. Word has length 210 [2018-07-23 13:39:44,324 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2018-07-23 13:39:44,324 INFO L225 Difference]: With dead ends: 214 [2018-07-23 13:39:44,324 INFO L226 Difference]: Without dead ends: 212 [2018-07-23 13:39:44,326 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 13:39:44,326 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 212 states. [2018-07-23 13:39:44,329 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 212 to 212. [2018-07-23 13:39:44,329 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 212 states. [2018-07-23 13:39:44,329 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 212 states to 212 states and 212 transitions. [2018-07-23 13:39:44,329 INFO L78 Accepts]: Start accepts. Automaton has 212 states and 212 transitions. Word has length 210 [2018-07-23 13:39:44,330 INFO L84 Accepts]: Finished accepts. word is rejected. [2018-07-23 13:39:44,330 INFO L471 AbstractCegarLoop]: Abstraction has 212 states and 212 transitions. [2018-07-23 13:39:44,330 INFO L472 AbstractCegarLoop]: Interpolant automaton has 210 states. [2018-07-23 13:39:44,330 INFO L276 IsEmpty]: Start isEmpty. Operand 212 states and 212 transitions. [2018-07-23 13:39:44,331 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 212 [2018-07-23 13:39:44,331 INFO L349 BasicCegarLoop]: Found error trace [2018-07-23 13:39:44,331 INFO L357 BasicCegarLoop]: trace histogram [208, 1, 1, 1] [2018-07-23 13:39:44,331 INFO L414 AbstractCegarLoop]: === Iteration 209 === [ULTIMATE.startErr0AssertViolationASSERT]=== [2018-07-23 13:39:44,331 INFO L82 PathProgramCache]: Analyzing trace with hash -1197502399, now seen corresponding path program 208 times [2018-07-23 13:39:44,331 INFO L69 tionRefinementEngine]: Using refinement strategy FixedRefinementStrategy [2018-07-23 13:39:44,633 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-07-23 13:39:45,707 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 13:39:45,707 INFO L309 seRefinementStrategy]: Constructing automaton from 0 perfect and 1 imperfect interpolant sequences. [2018-07-23 13:39:45,707 INFO L324 seRefinementStrategy]: Number of different interpolants: perfect sequences [] imperfect sequences [210] total 210 [2018-07-23 13:39:45,707 INFO L142 lantAutomatonBuilder]: Constructing canonical interpolant automaton, with selfloop in false state [2018-07-23 13:39:45,708 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 13:39:45,708 INFO L185 omatonBuilderFactory]: Interpolants [113267#false, 113266#true, 113269#(<= ULTIMATE.start_main_~i~4 2), 113268#(<= ULTIMATE.start_main_~i~4 0), 113271#(<= ULTIMATE.start_main_~i~4 6), 113270#(<= ULTIMATE.start_main_~i~4 4), 113273#(<= ULTIMATE.start_main_~i~4 10), 113272#(<= ULTIMATE.start_main_~i~4 8), 113275#(<= ULTIMATE.start_main_~i~4 14), 113274#(<= ULTIMATE.start_main_~i~4 12), 113277#(<= ULTIMATE.start_main_~i~4 18), 113276#(<= ULTIMATE.start_main_~i~4 16), 113279#(<= ULTIMATE.start_main_~i~4 22), 113278#(<= ULTIMATE.start_main_~i~4 20), 113281#(<= ULTIMATE.start_main_~i~4 26), 113280#(<= ULTIMATE.start_main_~i~4 24), 113283#(<= ULTIMATE.start_main_~i~4 30), 113282#(<= ULTIMATE.start_main_~i~4 28), 113285#(<= ULTIMATE.start_main_~i~4 34), 113284#(<= ULTIMATE.start_main_~i~4 32), 113287#(<= ULTIMATE.start_main_~i~4 38), 113286#(<= ULTIMATE.start_main_~i~4 36), 113289#(<= ULTIMATE.start_main_~i~4 42), 113288#(<= ULTIMATE.start_main_~i~4 40), 113291#(<= ULTIMATE.start_main_~i~4 46), 113290#(<= ULTIMATE.start_main_~i~4 44), 113293#(<= ULTIMATE.start_main_~i~4 50), 113292#(<= ULTIMATE.start_main_~i~4 48), 113295#(<= ULTIMATE.start_main_~i~4 54), 113294#(<= ULTIMATE.start_main_~i~4 52), 113297#(<= ULTIMATE.start_main_~i~4 58), 113296#(<= ULTIMATE.start_main_~i~4 56), 113299#(<= ULTIMATE.start_main_~i~4 62), 113298#(<= ULTIMATE.start_main_~i~4 60), 113301#(<= ULTIMATE.start_main_~i~4 66), 113300#(<= ULTIMATE.start_main_~i~4 64), 113303#(<= ULTIMATE.start_main_~i~4 70), 113302#(<= ULTIMATE.start_main_~i~4 68), 113305#(<= ULTIMATE.start_main_~i~4 74), 113304#(<= ULTIMATE.start_main_~i~4 72), 113307#(<= ULTIMATE.start_main_~i~4 78), 113306#(<= ULTIMATE.start_main_~i~4 76), 113309#(<= ULTIMATE.start_main_~i~4 82), 113308#(<= ULTIMATE.start_main_~i~4 80), 113311#(<= ULTIMATE.start_main_~i~4 86), 113310#(<= ULTIMATE.start_main_~i~4 84), 113313#(<= ULTIMATE.start_main_~i~4 90), 113312#(<= ULTIMATE.start_main_~i~4 88), 113315#(<= ULTIMATE.start_main_~i~4 94), 113314#(<= ULTIMATE.start_main_~i~4 92), 113317#(<= ULTIMATE.start_main_~i~4 98), 113316#(<= ULTIMATE.start_main_~i~4 96), 113319#(<= ULTIMATE.start_main_~i~4 102), 113318#(<= ULTIMATE.start_main_~i~4 100), 113321#(<= ULTIMATE.start_main_~i~4 106), 113320#(<= ULTIMATE.start_main_~i~4 104), 113323#(<= ULTIMATE.start_main_~i~4 110), 113322#(<= ULTIMATE.start_main_~i~4 108), 113325#(<= ULTIMATE.start_main_~i~4 114), 113324#(<= ULTIMATE.start_main_~i~4 112), 113327#(<= ULTIMATE.start_main_~i~4 118), 113326#(<= ULTIMATE.start_main_~i~4 116), 113329#(<= ULTIMATE.start_main_~i~4 122), 113328#(<= ULTIMATE.start_main_~i~4 120), 113331#(<= ULTIMATE.start_main_~i~4 126), 113330#(<= ULTIMATE.start_main_~i~4 124), 113333#(<= ULTIMATE.start_main_~i~4 130), 113332#(<= ULTIMATE.start_main_~i~4 128), 113335#(<= ULTIMATE.start_main_~i~4 134), 113334#(<= ULTIMATE.start_main_~i~4 132), 113337#(<= ULTIMATE.start_main_~i~4 138), 113336#(<= ULTIMATE.start_main_~i~4 136), 113339#(<= ULTIMATE.start_main_~i~4 142), 113338#(<= ULTIMATE.start_main_~i~4 140), 113341#(<= ULTIMATE.start_main_~i~4 146), 113340#(<= ULTIMATE.start_main_~i~4 144), 113343#(<= ULTIMATE.start_main_~i~4 150), 113342#(<= ULTIMATE.start_main_~i~4 148), 113345#(<= ULTIMATE.start_main_~i~4 154), 113344#(<= ULTIMATE.start_main_~i~4 152), 113347#(<= ULTIMATE.start_main_~i~4 158), 113346#(<= ULTIMATE.start_main_~i~4 156), 113349#(<= ULTIMATE.start_main_~i~4 162), 113348#(<= ULTIMATE.start_main_~i~4 160), 113351#(<= ULTIMATE.start_main_~i~4 166), 113350#(<= ULTIMATE.start_main_~i~4 164), 113353#(<= ULTIMATE.start_main_~i~4 170), 113352#(<= ULTIMATE.start_main_~i~4 168), 113355#(<= ULTIMATE.start_main_~i~4 174), 113354#(<= ULTIMATE.start_main_~i~4 172), 113357#(<= ULTIMATE.start_main_~i~4 178), 113356#(<= ULTIMATE.start_main_~i~4 176), 113359#(<= ULTIMATE.start_main_~i~4 182), 113358#(<= ULTIMATE.start_main_~i~4 180), 113361#(<= ULTIMATE.start_main_~i~4 186), 113360#(<= ULTIMATE.start_main_~i~4 184), 113363#(<= ULTIMATE.start_main_~i~4 190), 113362#(<= ULTIMATE.start_main_~i~4 188), 113365#(<= ULTIMATE.start_main_~i~4 194), 113364#(<= ULTIMATE.start_main_~i~4 192), 113367#(<= ULTIMATE.start_main_~i~4 198), 113366#(<= ULTIMATE.start_main_~i~4 196), 113369#(<= ULTIMATE.start_main_~i~4 202), 113368#(<= ULTIMATE.start_main_~i~4 200), 113371#(<= ULTIMATE.start_main_~i~4 206), 113370#(<= ULTIMATE.start_main_~i~4 204), 113373#(<= ULTIMATE.start_main_~i~4 210), 113372#(<= ULTIMATE.start_main_~i~4 208), 113375#(<= ULTIMATE.start_main_~i~4 214), 113374#(<= ULTIMATE.start_main_~i~4 212), 113377#(<= ULTIMATE.start_main_~i~4 218), 113376#(<= ULTIMATE.start_main_~i~4 216), 113379#(<= ULTIMATE.start_main_~i~4 222), 113378#(<= ULTIMATE.start_main_~i~4 220), 113381#(<= ULTIMATE.start_main_~i~4 226), 113380#(<= ULTIMATE.start_main_~i~4 224), 113383#(<= ULTIMATE.start_main_~i~4 230), 113382#(<= ULTIMATE.start_main_~i~4 228), 113385#(<= ULTIMATE.start_main_~i~4 234), 113384#(<= ULTIMATE.start_main_~i~4 232), 113387#(<= ULTIMATE.start_main_~i~4 238), 113386#(<= ULTIMATE.start_main_~i~4 236), 113389#(<= ULTIMATE.start_main_~i~4 242), 113388#(<= ULTIMATE.start_main_~i~4 240), 113391#(<= ULTIMATE.start_main_~i~4 246), 113390#(<= ULTIMATE.start_main_~i~4 244), 113393#(<= ULTIMATE.start_main_~i~4 250), 113392#(<= ULTIMATE.start_main_~i~4 248), 113395#(<= ULTIMATE.start_main_~i~4 254), 113394#(<= ULTIMATE.start_main_~i~4 252), 113397#(<= ULTIMATE.start_main_~i~4 258), 113396#(<= ULTIMATE.start_main_~i~4 256), 113399#(<= ULTIMATE.start_main_~i~4 262), 113398#(<= ULTIMATE.start_main_~i~4 260), 113401#(<= ULTIMATE.start_main_~i~4 266), 113400#(<= ULTIMATE.start_main_~i~4 264), 113403#(<= ULTIMATE.start_main_~i~4 270), 113402#(<= ULTIMATE.start_main_~i~4 268), 113405#(<= ULTIMATE.start_main_~i~4 274), 113404#(<= ULTIMATE.start_main_~i~4 272), 113407#(<= ULTIMATE.start_main_~i~4 278), 113406#(<= ULTIMATE.start_main_~i~4 276), 113409#(<= ULTIMATE.start_main_~i~4 282), 113408#(<= ULTIMATE.start_main_~i~4 280), 113411#(<= ULTIMATE.start_main_~i~4 286), 113410#(<= ULTIMATE.start_main_~i~4 284), 113413#(<= ULTIMATE.start_main_~i~4 290), 113412#(<= ULTIMATE.start_main_~i~4 288), 113415#(<= ULTIMATE.start_main_~i~4 294), 113414#(<= ULTIMATE.start_main_~i~4 292), 113417#(<= ULTIMATE.start_main_~i~4 298), 113416#(<= ULTIMATE.start_main_~i~4 296), 113419#(<= ULTIMATE.start_main_~i~4 302), 113418#(<= ULTIMATE.start_main_~i~4 300), 113421#(<= ULTIMATE.start_main_~i~4 306), 113420#(<= ULTIMATE.start_main_~i~4 304), 113423#(<= ULTIMATE.start_main_~i~4 310), 113422#(<= ULTIMATE.start_main_~i~4 308), 113425#(<= ULTIMATE.start_main_~i~4 314), 113424#(<= ULTIMATE.start_main_~i~4 312), 113427#(<= ULTIMATE.start_main_~i~4 318), 113426#(<= ULTIMATE.start_main_~i~4 316), 113429#(<= ULTIMATE.start_main_~i~4 322), 113428#(<= ULTIMATE.start_main_~i~4 320), 113431#(<= ULTIMATE.start_main_~i~4 326), 113430#(<= ULTIMATE.start_main_~i~4 324), 113433#(<= ULTIMATE.start_main_~i~4 330), 113432#(<= ULTIMATE.start_main_~i~4 328), 113435#(<= ULTIMATE.start_main_~i~4 334), 113434#(<= ULTIMATE.start_main_~i~4 332), 113437#(<= ULTIMATE.start_main_~i~4 338), 113436#(<= ULTIMATE.start_main_~i~4 336), 113439#(<= ULTIMATE.start_main_~i~4 342), 113438#(<= ULTIMATE.start_main_~i~4 340), 113441#(<= ULTIMATE.start_main_~i~4 346), 113440#(<= ULTIMATE.start_main_~i~4 344), 113443#(<= ULTIMATE.start_main_~i~4 350), 113442#(<= ULTIMATE.start_main_~i~4 348), 113445#(<= ULTIMATE.start_main_~i~4 354), 113444#(<= ULTIMATE.start_main_~i~4 352), 113447#(<= ULTIMATE.start_main_~i~4 358), 113446#(<= ULTIMATE.start_main_~i~4 356), 113449#(<= ULTIMATE.start_main_~i~4 362), 113448#(<= ULTIMATE.start_main_~i~4 360), 113451#(<= ULTIMATE.start_main_~i~4 366), 113450#(<= ULTIMATE.start_main_~i~4 364), 113453#(<= ULTIMATE.start_main_~i~4 370), 113452#(<= ULTIMATE.start_main_~i~4 368), 113455#(<= ULTIMATE.start_main_~i~4 374), 113454#(<= ULTIMATE.start_main_~i~4 372), 113457#(<= ULTIMATE.start_main_~i~4 378), 113456#(<= ULTIMATE.start_main_~i~4 376), 113459#(<= ULTIMATE.start_main_~i~4 382), 113458#(<= ULTIMATE.start_main_~i~4 380), 113461#(<= ULTIMATE.start_main_~i~4 386), 113460#(<= ULTIMATE.start_main_~i~4 384), 113463#(<= ULTIMATE.start_main_~i~4 390), 113462#(<= ULTIMATE.start_main_~i~4 388), 113465#(<= ULTIMATE.start_main_~i~4 394), 113464#(<= ULTIMATE.start_main_~i~4 392), 113467#(<= ULTIMATE.start_main_~i~4 398), 113466#(<= ULTIMATE.start_main_~i~4 396), 113469#(<= ULTIMATE.start_main_~i~4 402), 113468#(<= ULTIMATE.start_main_~i~4 400), 113471#(<= ULTIMATE.start_main_~i~4 406), 113470#(<= ULTIMATE.start_main_~i~4 404), 113473#(<= ULTIMATE.start_main_~i~4 410), 113472#(<= ULTIMATE.start_main_~i~4 408), 113475#(<= ULTIMATE.start_main_~i~4 414), 113474#(<= ULTIMATE.start_main_~i~4 412), 113476#(<= ULTIMATE.start_main_~i~4 416)] [2018-07-23 13:39:45,709 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 13:39:45,709 INFO L450 AbstractCegarLoop]: Interpolant automaton has 211 states [2018-07-23 13:39:45,712 INFO L132 InterpolantAutomaton]: Constructing interpolant automaton starting with 211 interpolants. [2018-07-23 13:39:45,713 INFO L133 InterpolantAutomaton]: CoverageRelationStatistics Valid=22155, Invalid=22155, Unknown=0, NotChecked=0, Total=44310 [2018-07-23 13:39:45,714 INFO L87 Difference]: Start difference. First operand 212 states and 212 transitions. Second operand 211 states. [2018-07-23 13:39:46,380 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2018-07-23 13:39:46,380 INFO L93 Difference]: Finished difference Result 215 states and 215 transitions. [2018-07-23 13:39:46,380 INFO L142 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 211 states. [2018-07-23 13:39:46,381 INFO L78 Accepts]: Start accepts. Automaton has 211 states. Word has length 211 [2018-07-23 13:39:46,381 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2018-07-23 13:39:46,381 INFO L225 Difference]: With dead ends: 215 [2018-07-23 13:39:46,381 INFO L226 Difference]: Without dead ends: 213 [2018-07-23 13:39:46,383 INFO L575 BasicCegarLoop]: 0 DeclaredPredicates, 210 GetRequests, 1 SyntacticMatches, 0 SemanticMatches, 209 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 0 ImplicationChecksByTransitivity, 0.9s TimeCoverageRelationStatistics Valid=22155, Invalid=22155, Unknown=0, NotChecked=0, Total=44310 [2018-07-23 13:39:46,383 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 213 states. [2018-07-23 13:39:46,385 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 213 to 213. [2018-07-23 13:39:46,385 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 213 states. [2018-07-23 13:39:46,385 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 213 states to 213 states and 213 transitions. [2018-07-23 13:39:46,385 INFO L78 Accepts]: Start accepts. Automaton has 213 states and 213 transitions. Word has length 211 [2018-07-23 13:39:46,385 INFO L84 Accepts]: Finished accepts. word is rejected. [2018-07-23 13:39:46,386 INFO L471 AbstractCegarLoop]: Abstraction has 213 states and 213 transitions. [2018-07-23 13:39:46,386 INFO L472 AbstractCegarLoop]: Interpolant automaton has 211 states. [2018-07-23 13:39:46,386 INFO L276 IsEmpty]: Start isEmpty. Operand 213 states and 213 transitions. [2018-07-23 13:39:46,386 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 213 [2018-07-23 13:39:46,386 INFO L349 BasicCegarLoop]: Found error trace [2018-07-23 13:39:46,386 INFO L357 BasicCegarLoop]: trace histogram [209, 1, 1, 1] [2018-07-23 13:39:46,386 INFO L414 AbstractCegarLoop]: === Iteration 210 === [ULTIMATE.startErr0AssertViolationASSERT]=== [2018-07-23 13:39:46,386 INFO L82 PathProgramCache]: Analyzing trace with hash 1532129320, now seen corresponding path program 209 times [2018-07-23 13:39:46,387 INFO L69 tionRefinementEngine]: Using refinement strategy FixedRefinementStrategy [2018-07-23 13:39:46,612 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-07-23 13:39:47,572 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 13:39:47,572 INFO L309 seRefinementStrategy]: Constructing automaton from 0 perfect and 1 imperfect interpolant sequences. [2018-07-23 13:39:47,572 INFO L324 seRefinementStrategy]: Number of different interpolants: perfect sequences [] imperfect sequences [211] total 211 [2018-07-23 13:39:47,572 INFO L142 lantAutomatonBuilder]: Constructing canonical interpolant automaton, with selfloop in false state [2018-07-23 13:39:47,573 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2018-07-23 13:39:47,573 INFO L185 omatonBuilderFactory]: Interpolants [114333#true, 114335#(<= ULTIMATE.start_main_~i~4 0), 114334#false, 114337#(<= ULTIMATE.start_main_~i~4 4), 114336#(<= ULTIMATE.start_main_~i~4 2), 114339#(<= ULTIMATE.start_main_~i~4 8), 114338#(<= ULTIMATE.start_main_~i~4 6), 114341#(<= ULTIMATE.start_main_~i~4 12), 114340#(<= ULTIMATE.start_main_~i~4 10), 114343#(<= ULTIMATE.start_main_~i~4 16), 114342#(<= ULTIMATE.start_main_~i~4 14), 114345#(<= ULTIMATE.start_main_~i~4 20), 114344#(<= ULTIMATE.start_main_~i~4 18), 114347#(<= ULTIMATE.start_main_~i~4 24), 114346#(<= ULTIMATE.start_main_~i~4 22), 114349#(<= ULTIMATE.start_main_~i~4 28), 114348#(<= ULTIMATE.start_main_~i~4 26), 114351#(<= ULTIMATE.start_main_~i~4 32), 114350#(<= ULTIMATE.start_main_~i~4 30), 114353#(<= ULTIMATE.start_main_~i~4 36), 114352#(<= ULTIMATE.start_main_~i~4 34), 114355#(<= ULTIMATE.start_main_~i~4 40), 114354#(<= ULTIMATE.start_main_~i~4 38), 114357#(<= ULTIMATE.start_main_~i~4 44), 114356#(<= ULTIMATE.start_main_~i~4 42), 114359#(<= ULTIMATE.start_main_~i~4 48), 114358#(<= ULTIMATE.start_main_~i~4 46), 114361#(<= ULTIMATE.start_main_~i~4 52), 114360#(<= ULTIMATE.start_main_~i~4 50), 114363#(<= ULTIMATE.start_main_~i~4 56), 114362#(<= ULTIMATE.start_main_~i~4 54), 114365#(<= ULTIMATE.start_main_~i~4 60), 114364#(<= ULTIMATE.start_main_~i~4 58), 114367#(<= ULTIMATE.start_main_~i~4 64), 114366#(<= ULTIMATE.start_main_~i~4 62), 114369#(<= ULTIMATE.start_main_~i~4 68), 114368#(<= ULTIMATE.start_main_~i~4 66), 114371#(<= ULTIMATE.start_main_~i~4 72), 114370#(<= ULTIMATE.start_main_~i~4 70), 114373#(<= ULTIMATE.start_main_~i~4 76), 114372#(<= ULTIMATE.start_main_~i~4 74), 114375#(<= ULTIMATE.start_main_~i~4 80), 114374#(<= ULTIMATE.start_main_~i~4 78), 114377#(<= ULTIMATE.start_main_~i~4 84), 114376#(<= ULTIMATE.start_main_~i~4 82), 114379#(<= ULTIMATE.start_main_~i~4 88), 114378#(<= ULTIMATE.start_main_~i~4 86), 114381#(<= ULTIMATE.start_main_~i~4 92), 114380#(<= ULTIMATE.start_main_~i~4 90), 114383#(<= ULTIMATE.start_main_~i~4 96), 114382#(<= ULTIMATE.start_main_~i~4 94), 114385#(<= ULTIMATE.start_main_~i~4 100), 114384#(<= ULTIMATE.start_main_~i~4 98), 114387#(<= ULTIMATE.start_main_~i~4 104), 114386#(<= ULTIMATE.start_main_~i~4 102), 114389#(<= ULTIMATE.start_main_~i~4 108), 114388#(<= ULTIMATE.start_main_~i~4 106), 114391#(<= ULTIMATE.start_main_~i~4 112), 114390#(<= ULTIMATE.start_main_~i~4 110), 114393#(<= ULTIMATE.start_main_~i~4 116), 114392#(<= ULTIMATE.start_main_~i~4 114), 114395#(<= ULTIMATE.start_main_~i~4 120), 114394#(<= ULTIMATE.start_main_~i~4 118), 114397#(<= ULTIMATE.start_main_~i~4 124), 114396#(<= ULTIMATE.start_main_~i~4 122), 114399#(<= ULTIMATE.start_main_~i~4 128), 114398#(<= ULTIMATE.start_main_~i~4 126), 114401#(<= ULTIMATE.start_main_~i~4 132), 114400#(<= ULTIMATE.start_main_~i~4 130), 114403#(<= ULTIMATE.start_main_~i~4 136), 114402#(<= ULTIMATE.start_main_~i~4 134), 114405#(<= ULTIMATE.start_main_~i~4 140), 114404#(<= ULTIMATE.start_main_~i~4 138), 114407#(<= ULTIMATE.start_main_~i~4 144), 114406#(<= ULTIMATE.start_main_~i~4 142), 114409#(<= ULTIMATE.start_main_~i~4 148), 114408#(<= ULTIMATE.start_main_~i~4 146), 114411#(<= ULTIMATE.start_main_~i~4 152), 114410#(<= ULTIMATE.start_main_~i~4 150), 114413#(<= ULTIMATE.start_main_~i~4 156), 114412#(<= ULTIMATE.start_main_~i~4 154), 114415#(<= ULTIMATE.start_main_~i~4 160), 114414#(<= ULTIMATE.start_main_~i~4 158), 114417#(<= ULTIMATE.start_main_~i~4 164), 114416#(<= ULTIMATE.start_main_~i~4 162), 114419#(<= ULTIMATE.start_main_~i~4 168), 114418#(<= ULTIMATE.start_main_~i~4 166), 114421#(<= ULTIMATE.start_main_~i~4 172), 114420#(<= ULTIMATE.start_main_~i~4 170), 114423#(<= ULTIMATE.start_main_~i~4 176), 114422#(<= ULTIMATE.start_main_~i~4 174), 114425#(<= ULTIMATE.start_main_~i~4 180), 114424#(<= ULTIMATE.start_main_~i~4 178), 114427#(<= ULTIMATE.start_main_~i~4 184), 114426#(<= ULTIMATE.start_main_~i~4 182), 114429#(<= ULTIMATE.start_main_~i~4 188), 114428#(<= ULTIMATE.start_main_~i~4 186), 114431#(<= ULTIMATE.start_main_~i~4 192), 114430#(<= ULTIMATE.start_main_~i~4 190), 114433#(<= ULTIMATE.start_main_~i~4 196), 114432#(<= ULTIMATE.start_main_~i~4 194), 114435#(<= ULTIMATE.start_main_~i~4 200), 114434#(<= ULTIMATE.start_main_~i~4 198), 114437#(<= ULTIMATE.start_main_~i~4 204), 114436#(<= ULTIMATE.start_main_~i~4 202), 114439#(<= ULTIMATE.start_main_~i~4 208), 114438#(<= ULTIMATE.start_main_~i~4 206), 114441#(<= ULTIMATE.start_main_~i~4 212), 114440#(<= ULTIMATE.start_main_~i~4 210), 114443#(<= ULTIMATE.start_main_~i~4 216), 114442#(<= ULTIMATE.start_main_~i~4 214), 114445#(<= ULTIMATE.start_main_~i~4 220), 114444#(<= ULTIMATE.start_main_~i~4 218), 114447#(<= ULTIMATE.start_main_~i~4 224), 114446#(<= ULTIMATE.start_main_~i~4 222), 114449#(<= ULTIMATE.start_main_~i~4 228), 114448#(<= ULTIMATE.start_main_~i~4 226), 114451#(<= ULTIMATE.start_main_~i~4 232), 114450#(<= ULTIMATE.start_main_~i~4 230), 114453#(<= ULTIMATE.start_main_~i~4 236), 114452#(<= ULTIMATE.start_main_~i~4 234), 114455#(<= ULTIMATE.start_main_~i~4 240), 114454#(<= ULTIMATE.start_main_~i~4 238), 114457#(<= ULTIMATE.start_main_~i~4 244), 114456#(<= ULTIMATE.start_main_~i~4 242), 114459#(<= ULTIMATE.start_main_~i~4 248), 114458#(<= ULTIMATE.start_main_~i~4 246), 114461#(<= ULTIMATE.start_main_~i~4 252), 114460#(<= ULTIMATE.start_main_~i~4 250), 114463#(<= ULTIMATE.start_main_~i~4 256), 114462#(<= ULTIMATE.start_main_~i~4 254), 114465#(<= ULTIMATE.start_main_~i~4 260), 114464#(<= ULTIMATE.start_main_~i~4 258), 114467#(<= ULTIMATE.start_main_~i~4 264), 114466#(<= ULTIMATE.start_main_~i~4 262), 114469#(<= ULTIMATE.start_main_~i~4 268), 114468#(<= ULTIMATE.start_main_~i~4 266), 114471#(<= ULTIMATE.start_main_~i~4 272), 114470#(<= ULTIMATE.start_main_~i~4 270), 114473#(<= ULTIMATE.start_main_~i~4 276), 114472#(<= ULTIMATE.start_main_~i~4 274), 114475#(<= ULTIMATE.start_main_~i~4 280), 114474#(<= ULTIMATE.start_main_~i~4 278), 114477#(<= ULTIMATE.start_main_~i~4 284), 114476#(<= ULTIMATE.start_main_~i~4 282), 114479#(<= ULTIMATE.start_main_~i~4 288), 114478#(<= ULTIMATE.start_main_~i~4 286), 114481#(<= ULTIMATE.start_main_~i~4 292), 114480#(<= ULTIMATE.start_main_~i~4 290), 114483#(<= ULTIMATE.start_main_~i~4 296), 114482#(<= ULTIMATE.start_main_~i~4 294), 114485#(<= ULTIMATE.start_main_~i~4 300), 114484#(<= ULTIMATE.start_main_~i~4 298), 114487#(<= ULTIMATE.start_main_~i~4 304), 114486#(<= ULTIMATE.start_main_~i~4 302), 114489#(<= ULTIMATE.start_main_~i~4 308), 114488#(<= ULTIMATE.start_main_~i~4 306), 114491#(<= ULTIMATE.start_main_~i~4 312), 114490#(<= ULTIMATE.start_main_~i~4 310), 114493#(<= ULTIMATE.start_main_~i~4 316), 114492#(<= ULTIMATE.start_main_~i~4 314), 114495#(<= ULTIMATE.start_main_~i~4 320), 114494#(<= ULTIMATE.start_main_~i~4 318), 114497#(<= ULTIMATE.start_main_~i~4 324), 114496#(<= ULTIMATE.start_main_~i~4 322), 114499#(<= ULTIMATE.start_main_~i~4 328), 114498#(<= ULTIMATE.start_main_~i~4 326), 114501#(<= ULTIMATE.start_main_~i~4 332), 114500#(<= ULTIMATE.start_main_~i~4 330), 114503#(<= ULTIMATE.start_main_~i~4 336), 114502#(<= ULTIMATE.start_main_~i~4 334), 114505#(<= ULTIMATE.start_main_~i~4 340), 114504#(<= ULTIMATE.start_main_~i~4 338), 114507#(<= ULTIMATE.start_main_~i~4 344), 114506#(<= ULTIMATE.start_main_~i~4 342), 114509#(<= ULTIMATE.start_main_~i~4 348), 114508#(<= ULTIMATE.start_main_~i~4 346), 114511#(<= ULTIMATE.start_main_~i~4 352), 114510#(<= ULTIMATE.start_main_~i~4 350), 114513#(<= ULTIMATE.start_main_~i~4 356), 114512#(<= ULTIMATE.start_main_~i~4 354), 114515#(<= ULTIMATE.start_main_~i~4 360), 114514#(<= ULTIMATE.start_main_~i~4 358), 114517#(<= ULTIMATE.start_main_~i~4 364), 114516#(<= ULTIMATE.start_main_~i~4 362), 114519#(<= ULTIMATE.start_main_~i~4 368), 114518#(<= ULTIMATE.start_main_~i~4 366), 114521#(<= ULTIMATE.start_main_~i~4 372), 114520#(<= ULTIMATE.start_main_~i~4 370), 114523#(<= ULTIMATE.start_main_~i~4 376), 114522#(<= ULTIMATE.start_main_~i~4 374), 114525#(<= ULTIMATE.start_main_~i~4 380), 114524#(<= ULTIMATE.start_main_~i~4 378), 114527#(<= ULTIMATE.start_main_~i~4 384), 114526#(<= ULTIMATE.start_main_~i~4 382), 114529#(<= ULTIMATE.start_main_~i~4 388), 114528#(<= ULTIMATE.start_main_~i~4 386), 114531#(<= ULTIMATE.start_main_~i~4 392), 114530#(<= ULTIMATE.start_main_~i~4 390), 114533#(<= ULTIMATE.start_main_~i~4 396), 114532#(<= ULTIMATE.start_main_~i~4 394), 114535#(<= ULTIMATE.start_main_~i~4 400), 114534#(<= ULTIMATE.start_main_~i~4 398), 114537#(<= ULTIMATE.start_main_~i~4 404), 114536#(<= ULTIMATE.start_main_~i~4 402), 114539#(<= ULTIMATE.start_main_~i~4 408), 114538#(<= ULTIMATE.start_main_~i~4 406), 114541#(<= ULTIMATE.start_main_~i~4 412), 114540#(<= ULTIMATE.start_main_~i~4 410), 114543#(<= ULTIMATE.start_main_~i~4 416), 114542#(<= ULTIMATE.start_main_~i~4 414), 114544#(<= ULTIMATE.start_main_~i~4 418)] [2018-07-23 13:39:47,574 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 13:39:47,574 INFO L450 AbstractCegarLoop]: Interpolant automaton has 212 states [2018-07-23 13:39:47,577 INFO L132 InterpolantAutomaton]: Constructing interpolant automaton starting with 212 interpolants. [2018-07-23 13:39:47,578 INFO L133 InterpolantAutomaton]: CoverageRelationStatistics Valid=22366, Invalid=22366, Unknown=0, NotChecked=0, Total=44732 [2018-07-23 13:39:47,578 INFO L87 Difference]: Start difference. First operand 213 states and 213 transitions. Second operand 212 states. [2018-07-23 13:39:48,191 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2018-07-23 13:39:48,191 INFO L93 Difference]: Finished difference Result 216 states and 216 transitions. [2018-07-23 13:39:48,191 INFO L142 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 212 states. [2018-07-23 13:39:48,191 INFO L78 Accepts]: Start accepts. Automaton has 212 states. Word has length 212 [2018-07-23 13:39:48,191 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2018-07-23 13:39:48,191 INFO L225 Difference]: With dead ends: 216 [2018-07-23 13:39:48,191 INFO L226 Difference]: Without dead ends: 214 [2018-07-23 13:39:48,193 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 13:39:48,194 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 214 states. [2018-07-23 13:39:48,195 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 214 to 214. [2018-07-23 13:39:48,195 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 214 states. [2018-07-23 13:39:48,196 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 214 states to 214 states and 214 transitions. [2018-07-23 13:39:48,196 INFO L78 Accepts]: Start accepts. Automaton has 214 states and 214 transitions. Word has length 212 [2018-07-23 13:39:48,196 INFO L84 Accepts]: Finished accepts. word is rejected. [2018-07-23 13:39:48,196 INFO L471 AbstractCegarLoop]: Abstraction has 214 states and 214 transitions. [2018-07-23 13:39:48,196 INFO L472 AbstractCegarLoop]: Interpolant automaton has 212 states. [2018-07-23 13:39:48,196 INFO L276 IsEmpty]: Start isEmpty. Operand 214 states and 214 transitions. [2018-07-23 13:39:48,197 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 214 [2018-07-23 13:39:48,197 INFO L349 BasicCegarLoop]: Found error trace [2018-07-23 13:39:48,197 INFO L357 BasicCegarLoop]: trace histogram [210, 1, 1, 1] [2018-07-23 13:39:48,197 INFO L414 AbstractCegarLoop]: === Iteration 211 === [ULTIMATE.startErr0AssertViolationASSERT]=== [2018-07-23 13:39:48,197 INFO L82 PathProgramCache]: Analyzing trace with hash 251366689, now seen corresponding path program 210 times [2018-07-23 13:39:48,197 INFO L69 tionRefinementEngine]: Using refinement strategy FixedRefinementStrategy [2018-07-23 13:39:48,406 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-07-23 13:39:49,401 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 13:39:49,401 INFO L309 seRefinementStrategy]: Constructing automaton from 0 perfect and 1 imperfect interpolant sequences. [2018-07-23 13:39:49,401 INFO L324 seRefinementStrategy]: Number of different interpolants: perfect sequences [] imperfect sequences [212] total 212 [2018-07-23 13:39:49,401 INFO L142 lantAutomatonBuilder]: Constructing canonical interpolant automaton, with selfloop in false state [2018-07-23 13:39:49,402 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2018-07-23 13:39:49,402 INFO L185 omatonBuilderFactory]: Interpolants [115405#true, 115407#(<= ULTIMATE.start_main_~i~4 0), 115406#false, 115409#(<= ULTIMATE.start_main_~i~4 4), 115408#(<= ULTIMATE.start_main_~i~4 2), 115411#(<= ULTIMATE.start_main_~i~4 8), 115410#(<= ULTIMATE.start_main_~i~4 6), 115413#(<= ULTIMATE.start_main_~i~4 12), 115412#(<= ULTIMATE.start_main_~i~4 10), 115415#(<= ULTIMATE.start_main_~i~4 16), 115414#(<= ULTIMATE.start_main_~i~4 14), 115417#(<= ULTIMATE.start_main_~i~4 20), 115416#(<= ULTIMATE.start_main_~i~4 18), 115419#(<= ULTIMATE.start_main_~i~4 24), 115418#(<= ULTIMATE.start_main_~i~4 22), 115421#(<= ULTIMATE.start_main_~i~4 28), 115420#(<= ULTIMATE.start_main_~i~4 26), 115423#(<= ULTIMATE.start_main_~i~4 32), 115422#(<= ULTIMATE.start_main_~i~4 30), 115425#(<= ULTIMATE.start_main_~i~4 36), 115424#(<= ULTIMATE.start_main_~i~4 34), 115427#(<= ULTIMATE.start_main_~i~4 40), 115426#(<= ULTIMATE.start_main_~i~4 38), 115429#(<= ULTIMATE.start_main_~i~4 44), 115428#(<= ULTIMATE.start_main_~i~4 42), 115431#(<= ULTIMATE.start_main_~i~4 48), 115430#(<= ULTIMATE.start_main_~i~4 46), 115433#(<= ULTIMATE.start_main_~i~4 52), 115432#(<= ULTIMATE.start_main_~i~4 50), 115435#(<= ULTIMATE.start_main_~i~4 56), 115434#(<= ULTIMATE.start_main_~i~4 54), 115437#(<= ULTIMATE.start_main_~i~4 60), 115436#(<= ULTIMATE.start_main_~i~4 58), 115439#(<= ULTIMATE.start_main_~i~4 64), 115438#(<= ULTIMATE.start_main_~i~4 62), 115441#(<= ULTIMATE.start_main_~i~4 68), 115440#(<= ULTIMATE.start_main_~i~4 66), 115443#(<= ULTIMATE.start_main_~i~4 72), 115442#(<= ULTIMATE.start_main_~i~4 70), 115445#(<= ULTIMATE.start_main_~i~4 76), 115444#(<= ULTIMATE.start_main_~i~4 74), 115447#(<= ULTIMATE.start_main_~i~4 80), 115446#(<= ULTIMATE.start_main_~i~4 78), 115449#(<= ULTIMATE.start_main_~i~4 84), 115448#(<= ULTIMATE.start_main_~i~4 82), 115451#(<= ULTIMATE.start_main_~i~4 88), 115450#(<= ULTIMATE.start_main_~i~4 86), 115453#(<= ULTIMATE.start_main_~i~4 92), 115452#(<= ULTIMATE.start_main_~i~4 90), 115455#(<= ULTIMATE.start_main_~i~4 96), 115454#(<= ULTIMATE.start_main_~i~4 94), 115457#(<= ULTIMATE.start_main_~i~4 100), 115456#(<= ULTIMATE.start_main_~i~4 98), 115459#(<= ULTIMATE.start_main_~i~4 104), 115458#(<= ULTIMATE.start_main_~i~4 102), 115461#(<= ULTIMATE.start_main_~i~4 108), 115460#(<= ULTIMATE.start_main_~i~4 106), 115463#(<= ULTIMATE.start_main_~i~4 112), 115462#(<= ULTIMATE.start_main_~i~4 110), 115465#(<= ULTIMATE.start_main_~i~4 116), 115464#(<= ULTIMATE.start_main_~i~4 114), 115467#(<= ULTIMATE.start_main_~i~4 120), 115466#(<= ULTIMATE.start_main_~i~4 118), 115469#(<= ULTIMATE.start_main_~i~4 124), 115468#(<= ULTIMATE.start_main_~i~4 122), 115471#(<= ULTIMATE.start_main_~i~4 128), 115470#(<= ULTIMATE.start_main_~i~4 126), 115473#(<= ULTIMATE.start_main_~i~4 132), 115472#(<= ULTIMATE.start_main_~i~4 130), 115475#(<= ULTIMATE.start_main_~i~4 136), 115474#(<= ULTIMATE.start_main_~i~4 134), 115477#(<= ULTIMATE.start_main_~i~4 140), 115476#(<= ULTIMATE.start_main_~i~4 138), 115479#(<= ULTIMATE.start_main_~i~4 144), 115478#(<= ULTIMATE.start_main_~i~4 142), 115481#(<= ULTIMATE.start_main_~i~4 148), 115480#(<= ULTIMATE.start_main_~i~4 146), 115483#(<= ULTIMATE.start_main_~i~4 152), 115482#(<= ULTIMATE.start_main_~i~4 150), 115485#(<= ULTIMATE.start_main_~i~4 156), 115484#(<= ULTIMATE.start_main_~i~4 154), 115487#(<= ULTIMATE.start_main_~i~4 160), 115486#(<= ULTIMATE.start_main_~i~4 158), 115489#(<= ULTIMATE.start_main_~i~4 164), 115488#(<= ULTIMATE.start_main_~i~4 162), 115491#(<= ULTIMATE.start_main_~i~4 168), 115490#(<= ULTIMATE.start_main_~i~4 166), 115493#(<= ULTIMATE.start_main_~i~4 172), 115492#(<= ULTIMATE.start_main_~i~4 170), 115495#(<= ULTIMATE.start_main_~i~4 176), 115494#(<= ULTIMATE.start_main_~i~4 174), 115497#(<= ULTIMATE.start_main_~i~4 180), 115496#(<= ULTIMATE.start_main_~i~4 178), 115499#(<= ULTIMATE.start_main_~i~4 184), 115498#(<= ULTIMATE.start_main_~i~4 182), 115501#(<= ULTIMATE.start_main_~i~4 188), 115500#(<= ULTIMATE.start_main_~i~4 186), 115503#(<= ULTIMATE.start_main_~i~4 192), 115502#(<= ULTIMATE.start_main_~i~4 190), 115505#(<= ULTIMATE.start_main_~i~4 196), 115504#(<= ULTIMATE.start_main_~i~4 194), 115507#(<= ULTIMATE.start_main_~i~4 200), 115506#(<= ULTIMATE.start_main_~i~4 198), 115509#(<= ULTIMATE.start_main_~i~4 204), 115508#(<= ULTIMATE.start_main_~i~4 202), 115511#(<= ULTIMATE.start_main_~i~4 208), 115510#(<= ULTIMATE.start_main_~i~4 206), 115513#(<= ULTIMATE.start_main_~i~4 212), 115512#(<= ULTIMATE.start_main_~i~4 210), 115515#(<= ULTIMATE.start_main_~i~4 216), 115514#(<= ULTIMATE.start_main_~i~4 214), 115517#(<= ULTIMATE.start_main_~i~4 220), 115516#(<= ULTIMATE.start_main_~i~4 218), 115519#(<= ULTIMATE.start_main_~i~4 224), 115518#(<= ULTIMATE.start_main_~i~4 222), 115521#(<= ULTIMATE.start_main_~i~4 228), 115520#(<= ULTIMATE.start_main_~i~4 226), 115523#(<= ULTIMATE.start_main_~i~4 232), 115522#(<= ULTIMATE.start_main_~i~4 230), 115525#(<= ULTIMATE.start_main_~i~4 236), 115524#(<= ULTIMATE.start_main_~i~4 234), 115527#(<= ULTIMATE.start_main_~i~4 240), 115526#(<= ULTIMATE.start_main_~i~4 238), 115529#(<= ULTIMATE.start_main_~i~4 244), 115528#(<= ULTIMATE.start_main_~i~4 242), 115531#(<= ULTIMATE.start_main_~i~4 248), 115530#(<= ULTIMATE.start_main_~i~4 246), 115533#(<= ULTIMATE.start_main_~i~4 252), 115532#(<= ULTIMATE.start_main_~i~4 250), 115535#(<= ULTIMATE.start_main_~i~4 256), 115534#(<= ULTIMATE.start_main_~i~4 254), 115537#(<= ULTIMATE.start_main_~i~4 260), 115536#(<= ULTIMATE.start_main_~i~4 258), 115539#(<= ULTIMATE.start_main_~i~4 264), 115538#(<= ULTIMATE.start_main_~i~4 262), 115541#(<= ULTIMATE.start_main_~i~4 268), 115540#(<= ULTIMATE.start_main_~i~4 266), 115543#(<= ULTIMATE.start_main_~i~4 272), 115542#(<= ULTIMATE.start_main_~i~4 270), 115545#(<= ULTIMATE.start_main_~i~4 276), 115544#(<= ULTIMATE.start_main_~i~4 274), 115547#(<= ULTIMATE.start_main_~i~4 280), 115546#(<= ULTIMATE.start_main_~i~4 278), 115549#(<= ULTIMATE.start_main_~i~4 284), 115548#(<= ULTIMATE.start_main_~i~4 282), 115551#(<= ULTIMATE.start_main_~i~4 288), 115550#(<= ULTIMATE.start_main_~i~4 286), 115553#(<= ULTIMATE.start_main_~i~4 292), 115552#(<= ULTIMATE.start_main_~i~4 290), 115555#(<= ULTIMATE.start_main_~i~4 296), 115554#(<= ULTIMATE.start_main_~i~4 294), 115557#(<= ULTIMATE.start_main_~i~4 300), 115556#(<= ULTIMATE.start_main_~i~4 298), 115559#(<= ULTIMATE.start_main_~i~4 304), 115558#(<= ULTIMATE.start_main_~i~4 302), 115561#(<= ULTIMATE.start_main_~i~4 308), 115560#(<= ULTIMATE.start_main_~i~4 306), 115563#(<= ULTIMATE.start_main_~i~4 312), 115562#(<= ULTIMATE.start_main_~i~4 310), 115565#(<= ULTIMATE.start_main_~i~4 316), 115564#(<= ULTIMATE.start_main_~i~4 314), 115567#(<= ULTIMATE.start_main_~i~4 320), 115566#(<= ULTIMATE.start_main_~i~4 318), 115569#(<= ULTIMATE.start_main_~i~4 324), 115568#(<= ULTIMATE.start_main_~i~4 322), 115571#(<= ULTIMATE.start_main_~i~4 328), 115570#(<= ULTIMATE.start_main_~i~4 326), 115573#(<= ULTIMATE.start_main_~i~4 332), 115572#(<= ULTIMATE.start_main_~i~4 330), 115575#(<= ULTIMATE.start_main_~i~4 336), 115574#(<= ULTIMATE.start_main_~i~4 334), 115577#(<= ULTIMATE.start_main_~i~4 340), 115576#(<= ULTIMATE.start_main_~i~4 338), 115579#(<= ULTIMATE.start_main_~i~4 344), 115578#(<= ULTIMATE.start_main_~i~4 342), 115581#(<= ULTIMATE.start_main_~i~4 348), 115580#(<= ULTIMATE.start_main_~i~4 346), 115583#(<= ULTIMATE.start_main_~i~4 352), 115582#(<= ULTIMATE.start_main_~i~4 350), 115585#(<= ULTIMATE.start_main_~i~4 356), 115584#(<= ULTIMATE.start_main_~i~4 354), 115587#(<= ULTIMATE.start_main_~i~4 360), 115586#(<= ULTIMATE.start_main_~i~4 358), 115589#(<= ULTIMATE.start_main_~i~4 364), 115588#(<= ULTIMATE.start_main_~i~4 362), 115591#(<= ULTIMATE.start_main_~i~4 368), 115590#(<= ULTIMATE.start_main_~i~4 366), 115593#(<= ULTIMATE.start_main_~i~4 372), 115592#(<= ULTIMATE.start_main_~i~4 370), 115595#(<= ULTIMATE.start_main_~i~4 376), 115594#(<= ULTIMATE.start_main_~i~4 374), 115597#(<= ULTIMATE.start_main_~i~4 380), 115596#(<= ULTIMATE.start_main_~i~4 378), 115599#(<= ULTIMATE.start_main_~i~4 384), 115598#(<= ULTIMATE.start_main_~i~4 382), 115601#(<= ULTIMATE.start_main_~i~4 388), 115600#(<= ULTIMATE.start_main_~i~4 386), 115603#(<= ULTIMATE.start_main_~i~4 392), 115602#(<= ULTIMATE.start_main_~i~4 390), 115605#(<= ULTIMATE.start_main_~i~4 396), 115604#(<= ULTIMATE.start_main_~i~4 394), 115607#(<= ULTIMATE.start_main_~i~4 400), 115606#(<= ULTIMATE.start_main_~i~4 398), 115609#(<= ULTIMATE.start_main_~i~4 404), 115608#(<= ULTIMATE.start_main_~i~4 402), 115611#(<= ULTIMATE.start_main_~i~4 408), 115610#(<= ULTIMATE.start_main_~i~4 406), 115613#(<= ULTIMATE.start_main_~i~4 412), 115612#(<= ULTIMATE.start_main_~i~4 410), 115615#(<= ULTIMATE.start_main_~i~4 416), 115614#(<= ULTIMATE.start_main_~i~4 414), 115617#(<= ULTIMATE.start_main_~i~4 420), 115616#(<= ULTIMATE.start_main_~i~4 418)] [2018-07-23 13:39:49,403 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 13:39:49,403 INFO L450 AbstractCegarLoop]: Interpolant automaton has 213 states [2018-07-23 13:39:49,406 INFO L132 InterpolantAutomaton]: Constructing interpolant automaton starting with 213 interpolants. [2018-07-23 13:39:49,407 INFO L133 InterpolantAutomaton]: CoverageRelationStatistics Valid=22578, Invalid=22578, Unknown=0, NotChecked=0, Total=45156 [2018-07-23 13:39:49,407 INFO L87 Difference]: Start difference. First operand 214 states and 214 transitions. Second operand 213 states. [2018-07-23 13:39:50,337 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2018-07-23 13:39:50,337 INFO L93 Difference]: Finished difference Result 217 states and 217 transitions. [2018-07-23 13:39:50,337 INFO L142 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 213 states. [2018-07-23 13:39:50,337 INFO L78 Accepts]: Start accepts. Automaton has 213 states. Word has length 213 [2018-07-23 13:39:50,338 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2018-07-23 13:39:50,338 INFO L225 Difference]: With dead ends: 217 [2018-07-23 13:39:50,338 INFO L226 Difference]: Without dead ends: 215 [2018-07-23 13:39:50,340 INFO L575 BasicCegarLoop]: 0 DeclaredPredicates, 212 GetRequests, 1 SyntacticMatches, 0 SemanticMatches, 211 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 0 ImplicationChecksByTransitivity, 0.9s TimeCoverageRelationStatistics Valid=22578, Invalid=22578, Unknown=0, NotChecked=0, Total=45156 [2018-07-23 13:39:50,340 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 215 states. [2018-07-23 13:39:50,342 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 215 to 215. [2018-07-23 13:39:50,342 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 215 states. [2018-07-23 13:39:50,342 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 215 states to 215 states and 215 transitions. [2018-07-23 13:39:50,342 INFO L78 Accepts]: Start accepts. Automaton has 215 states and 215 transitions. Word has length 213 [2018-07-23 13:39:50,342 INFO L84 Accepts]: Finished accepts. word is rejected. [2018-07-23 13:39:50,342 INFO L471 AbstractCegarLoop]: Abstraction has 215 states and 215 transitions. [2018-07-23 13:39:50,342 INFO L472 AbstractCegarLoop]: Interpolant automaton has 213 states. [2018-07-23 13:39:50,343 INFO L276 IsEmpty]: Start isEmpty. Operand 215 states and 215 transitions. [2018-07-23 13:39:50,343 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 215 [2018-07-23 13:39:50,343 INFO L349 BasicCegarLoop]: Found error trace [2018-07-23 13:39:50,343 INFO L357 BasicCegarLoop]: trace histogram [211, 1, 1, 1] [2018-07-23 13:39:50,343 INFO L414 AbstractCegarLoop]: === Iteration 212 === [ULTIMATE.startErr0AssertViolationASSERT]=== [2018-07-23 13:39:50,343 INFO L82 PathProgramCache]: Analyzing trace with hash -797569208, now seen corresponding path program 211 times [2018-07-23 13:39:50,343 INFO L69 tionRefinementEngine]: Using refinement strategy FixedRefinementStrategy [2018-07-23 13:39:50,543 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-07-23 13:39:51,557 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 13:39:51,558 INFO L309 seRefinementStrategy]: Constructing automaton from 0 perfect and 1 imperfect interpolant sequences. [2018-07-23 13:39:51,558 INFO L324 seRefinementStrategy]: Number of different interpolants: perfect sequences [] imperfect sequences [213] total 213 [2018-07-23 13:39:51,558 INFO L142 lantAutomatonBuilder]: Constructing canonical interpolant automaton, with selfloop in false state [2018-07-23 13:39:51,558 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2018-07-23 13:39:51,558 INFO L185 omatonBuilderFactory]: Interpolants [116483#false, 116482#true, 116485#(<= ULTIMATE.start_main_~i~4 2), 116484#(<= ULTIMATE.start_main_~i~4 0), 116487#(<= ULTIMATE.start_main_~i~4 6), 116486#(<= ULTIMATE.start_main_~i~4 4), 116489#(<= ULTIMATE.start_main_~i~4 10), 116488#(<= ULTIMATE.start_main_~i~4 8), 116491#(<= ULTIMATE.start_main_~i~4 14), 116490#(<= ULTIMATE.start_main_~i~4 12), 116493#(<= ULTIMATE.start_main_~i~4 18), 116492#(<= ULTIMATE.start_main_~i~4 16), 116495#(<= ULTIMATE.start_main_~i~4 22), 116494#(<= ULTIMATE.start_main_~i~4 20), 116497#(<= ULTIMATE.start_main_~i~4 26), 116496#(<= ULTIMATE.start_main_~i~4 24), 116499#(<= ULTIMATE.start_main_~i~4 30), 116498#(<= ULTIMATE.start_main_~i~4 28), 116501#(<= ULTIMATE.start_main_~i~4 34), 116500#(<= ULTIMATE.start_main_~i~4 32), 116503#(<= ULTIMATE.start_main_~i~4 38), 116502#(<= ULTIMATE.start_main_~i~4 36), 116505#(<= ULTIMATE.start_main_~i~4 42), 116504#(<= ULTIMATE.start_main_~i~4 40), 116507#(<= ULTIMATE.start_main_~i~4 46), 116506#(<= ULTIMATE.start_main_~i~4 44), 116509#(<= ULTIMATE.start_main_~i~4 50), 116508#(<= ULTIMATE.start_main_~i~4 48), 116511#(<= ULTIMATE.start_main_~i~4 54), 116510#(<= ULTIMATE.start_main_~i~4 52), 116513#(<= ULTIMATE.start_main_~i~4 58), 116512#(<= ULTIMATE.start_main_~i~4 56), 116515#(<= ULTIMATE.start_main_~i~4 62), 116514#(<= ULTIMATE.start_main_~i~4 60), 116517#(<= ULTIMATE.start_main_~i~4 66), 116516#(<= ULTIMATE.start_main_~i~4 64), 116519#(<= ULTIMATE.start_main_~i~4 70), 116518#(<= ULTIMATE.start_main_~i~4 68), 116521#(<= ULTIMATE.start_main_~i~4 74), 116520#(<= ULTIMATE.start_main_~i~4 72), 116523#(<= ULTIMATE.start_main_~i~4 78), 116522#(<= ULTIMATE.start_main_~i~4 76), 116525#(<= ULTIMATE.start_main_~i~4 82), 116524#(<= ULTIMATE.start_main_~i~4 80), 116527#(<= ULTIMATE.start_main_~i~4 86), 116526#(<= ULTIMATE.start_main_~i~4 84), 116529#(<= ULTIMATE.start_main_~i~4 90), 116528#(<= ULTIMATE.start_main_~i~4 88), 116531#(<= ULTIMATE.start_main_~i~4 94), 116530#(<= ULTIMATE.start_main_~i~4 92), 116533#(<= ULTIMATE.start_main_~i~4 98), 116532#(<= ULTIMATE.start_main_~i~4 96), 116535#(<= ULTIMATE.start_main_~i~4 102), 116534#(<= ULTIMATE.start_main_~i~4 100), 116537#(<= ULTIMATE.start_main_~i~4 106), 116536#(<= ULTIMATE.start_main_~i~4 104), 116539#(<= ULTIMATE.start_main_~i~4 110), 116538#(<= ULTIMATE.start_main_~i~4 108), 116541#(<= ULTIMATE.start_main_~i~4 114), 116540#(<= ULTIMATE.start_main_~i~4 112), 116543#(<= ULTIMATE.start_main_~i~4 118), 116542#(<= ULTIMATE.start_main_~i~4 116), 116545#(<= ULTIMATE.start_main_~i~4 122), 116544#(<= ULTIMATE.start_main_~i~4 120), 116547#(<= ULTIMATE.start_main_~i~4 126), 116546#(<= ULTIMATE.start_main_~i~4 124), 116549#(<= ULTIMATE.start_main_~i~4 130), 116548#(<= ULTIMATE.start_main_~i~4 128), 116551#(<= ULTIMATE.start_main_~i~4 134), 116550#(<= ULTIMATE.start_main_~i~4 132), 116553#(<= ULTIMATE.start_main_~i~4 138), 116552#(<= ULTIMATE.start_main_~i~4 136), 116555#(<= ULTIMATE.start_main_~i~4 142), 116554#(<= ULTIMATE.start_main_~i~4 140), 116557#(<= ULTIMATE.start_main_~i~4 146), 116556#(<= ULTIMATE.start_main_~i~4 144), 116559#(<= ULTIMATE.start_main_~i~4 150), 116558#(<= ULTIMATE.start_main_~i~4 148), 116561#(<= ULTIMATE.start_main_~i~4 154), 116560#(<= ULTIMATE.start_main_~i~4 152), 116563#(<= ULTIMATE.start_main_~i~4 158), 116562#(<= ULTIMATE.start_main_~i~4 156), 116565#(<= ULTIMATE.start_main_~i~4 162), 116564#(<= ULTIMATE.start_main_~i~4 160), 116567#(<= ULTIMATE.start_main_~i~4 166), 116566#(<= ULTIMATE.start_main_~i~4 164), 116569#(<= ULTIMATE.start_main_~i~4 170), 116568#(<= ULTIMATE.start_main_~i~4 168), 116571#(<= ULTIMATE.start_main_~i~4 174), 116570#(<= ULTIMATE.start_main_~i~4 172), 116573#(<= ULTIMATE.start_main_~i~4 178), 116572#(<= ULTIMATE.start_main_~i~4 176), 116575#(<= ULTIMATE.start_main_~i~4 182), 116574#(<= ULTIMATE.start_main_~i~4 180), 116577#(<= ULTIMATE.start_main_~i~4 186), 116576#(<= ULTIMATE.start_main_~i~4 184), 116579#(<= ULTIMATE.start_main_~i~4 190), 116578#(<= ULTIMATE.start_main_~i~4 188), 116581#(<= ULTIMATE.start_main_~i~4 194), 116580#(<= ULTIMATE.start_main_~i~4 192), 116583#(<= ULTIMATE.start_main_~i~4 198), 116582#(<= ULTIMATE.start_main_~i~4 196), 116585#(<= ULTIMATE.start_main_~i~4 202), 116584#(<= ULTIMATE.start_main_~i~4 200), 116587#(<= ULTIMATE.start_main_~i~4 206), 116586#(<= ULTIMATE.start_main_~i~4 204), 116589#(<= ULTIMATE.start_main_~i~4 210), 116588#(<= ULTIMATE.start_main_~i~4 208), 116591#(<= ULTIMATE.start_main_~i~4 214), 116590#(<= ULTIMATE.start_main_~i~4 212), 116593#(<= ULTIMATE.start_main_~i~4 218), 116592#(<= ULTIMATE.start_main_~i~4 216), 116595#(<= ULTIMATE.start_main_~i~4 222), 116594#(<= ULTIMATE.start_main_~i~4 220), 116597#(<= ULTIMATE.start_main_~i~4 226), 116596#(<= ULTIMATE.start_main_~i~4 224), 116599#(<= ULTIMATE.start_main_~i~4 230), 116598#(<= ULTIMATE.start_main_~i~4 228), 116601#(<= ULTIMATE.start_main_~i~4 234), 116600#(<= ULTIMATE.start_main_~i~4 232), 116603#(<= ULTIMATE.start_main_~i~4 238), 116602#(<= ULTIMATE.start_main_~i~4 236), 116605#(<= ULTIMATE.start_main_~i~4 242), 116604#(<= ULTIMATE.start_main_~i~4 240), 116607#(<= ULTIMATE.start_main_~i~4 246), 116606#(<= ULTIMATE.start_main_~i~4 244), 116609#(<= ULTIMATE.start_main_~i~4 250), 116608#(<= ULTIMATE.start_main_~i~4 248), 116611#(<= ULTIMATE.start_main_~i~4 254), 116610#(<= ULTIMATE.start_main_~i~4 252), 116613#(<= ULTIMATE.start_main_~i~4 258), 116612#(<= ULTIMATE.start_main_~i~4 256), 116615#(<= ULTIMATE.start_main_~i~4 262), 116614#(<= ULTIMATE.start_main_~i~4 260), 116617#(<= ULTIMATE.start_main_~i~4 266), 116616#(<= ULTIMATE.start_main_~i~4 264), 116619#(<= ULTIMATE.start_main_~i~4 270), 116618#(<= ULTIMATE.start_main_~i~4 268), 116621#(<= ULTIMATE.start_main_~i~4 274), 116620#(<= ULTIMATE.start_main_~i~4 272), 116623#(<= ULTIMATE.start_main_~i~4 278), 116622#(<= ULTIMATE.start_main_~i~4 276), 116625#(<= ULTIMATE.start_main_~i~4 282), 116624#(<= ULTIMATE.start_main_~i~4 280), 116627#(<= ULTIMATE.start_main_~i~4 286), 116626#(<= ULTIMATE.start_main_~i~4 284), 116629#(<= ULTIMATE.start_main_~i~4 290), 116628#(<= ULTIMATE.start_main_~i~4 288), 116631#(<= ULTIMATE.start_main_~i~4 294), 116630#(<= ULTIMATE.start_main_~i~4 292), 116633#(<= ULTIMATE.start_main_~i~4 298), 116632#(<= ULTIMATE.start_main_~i~4 296), 116635#(<= ULTIMATE.start_main_~i~4 302), 116634#(<= ULTIMATE.start_main_~i~4 300), 116637#(<= ULTIMATE.start_main_~i~4 306), 116636#(<= ULTIMATE.start_main_~i~4 304), 116639#(<= ULTIMATE.start_main_~i~4 310), 116638#(<= ULTIMATE.start_main_~i~4 308), 116641#(<= ULTIMATE.start_main_~i~4 314), 116640#(<= ULTIMATE.start_main_~i~4 312), 116643#(<= ULTIMATE.start_main_~i~4 318), 116642#(<= ULTIMATE.start_main_~i~4 316), 116645#(<= ULTIMATE.start_main_~i~4 322), 116644#(<= ULTIMATE.start_main_~i~4 320), 116647#(<= ULTIMATE.start_main_~i~4 326), 116646#(<= ULTIMATE.start_main_~i~4 324), 116649#(<= ULTIMATE.start_main_~i~4 330), 116648#(<= ULTIMATE.start_main_~i~4 328), 116651#(<= ULTIMATE.start_main_~i~4 334), 116650#(<= ULTIMATE.start_main_~i~4 332), 116653#(<= ULTIMATE.start_main_~i~4 338), 116652#(<= ULTIMATE.start_main_~i~4 336), 116655#(<= ULTIMATE.start_main_~i~4 342), 116654#(<= ULTIMATE.start_main_~i~4 340), 116657#(<= ULTIMATE.start_main_~i~4 346), 116656#(<= ULTIMATE.start_main_~i~4 344), 116659#(<= ULTIMATE.start_main_~i~4 350), 116658#(<= ULTIMATE.start_main_~i~4 348), 116661#(<= ULTIMATE.start_main_~i~4 354), 116660#(<= ULTIMATE.start_main_~i~4 352), 116663#(<= ULTIMATE.start_main_~i~4 358), 116662#(<= ULTIMATE.start_main_~i~4 356), 116665#(<= ULTIMATE.start_main_~i~4 362), 116664#(<= ULTIMATE.start_main_~i~4 360), 116667#(<= ULTIMATE.start_main_~i~4 366), 116666#(<= ULTIMATE.start_main_~i~4 364), 116669#(<= ULTIMATE.start_main_~i~4 370), 116668#(<= ULTIMATE.start_main_~i~4 368), 116671#(<= ULTIMATE.start_main_~i~4 374), 116670#(<= ULTIMATE.start_main_~i~4 372), 116673#(<= ULTIMATE.start_main_~i~4 378), 116672#(<= ULTIMATE.start_main_~i~4 376), 116675#(<= ULTIMATE.start_main_~i~4 382), 116674#(<= ULTIMATE.start_main_~i~4 380), 116677#(<= ULTIMATE.start_main_~i~4 386), 116676#(<= ULTIMATE.start_main_~i~4 384), 116679#(<= ULTIMATE.start_main_~i~4 390), 116678#(<= ULTIMATE.start_main_~i~4 388), 116681#(<= ULTIMATE.start_main_~i~4 394), 116680#(<= ULTIMATE.start_main_~i~4 392), 116683#(<= ULTIMATE.start_main_~i~4 398), 116682#(<= ULTIMATE.start_main_~i~4 396), 116685#(<= ULTIMATE.start_main_~i~4 402), 116684#(<= ULTIMATE.start_main_~i~4 400), 116687#(<= ULTIMATE.start_main_~i~4 406), 116686#(<= ULTIMATE.start_main_~i~4 404), 116689#(<= ULTIMATE.start_main_~i~4 410), 116688#(<= ULTIMATE.start_main_~i~4 408), 116691#(<= ULTIMATE.start_main_~i~4 414), 116690#(<= ULTIMATE.start_main_~i~4 412), 116693#(<= ULTIMATE.start_main_~i~4 418), 116692#(<= ULTIMATE.start_main_~i~4 416), 116695#(<= ULTIMATE.start_main_~i~4 422), 116694#(<= ULTIMATE.start_main_~i~4 420)] [2018-07-23 13:39:51,559 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 13:39:51,560 INFO L450 AbstractCegarLoop]: Interpolant automaton has 214 states [2018-07-23 13:39:51,562 INFO L132 InterpolantAutomaton]: Constructing interpolant automaton starting with 214 interpolants. [2018-07-23 13:39:51,564 INFO L133 InterpolantAutomaton]: CoverageRelationStatistics Valid=22791, Invalid=22791, Unknown=0, NotChecked=0, Total=45582 [2018-07-23 13:39:51,564 INFO L87 Difference]: Start difference. First operand 215 states and 215 transitions. Second operand 214 states. [2018-07-23 13:39:52,883 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2018-07-23 13:39:52,884 INFO L93 Difference]: Finished difference Result 218 states and 218 transitions. [2018-07-23 13:39:52,884 INFO L142 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 214 states. [2018-07-23 13:39:52,884 INFO L78 Accepts]: Start accepts. Automaton has 214 states. Word has length 214 [2018-07-23 13:39:52,884 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2018-07-23 13:39:52,885 INFO L225 Difference]: With dead ends: 218 [2018-07-23 13:39:52,885 INFO L226 Difference]: Without dead ends: 216 [2018-07-23 13:39:52,887 INFO L575 BasicCegarLoop]: 0 DeclaredPredicates, 213 GetRequests, 1 SyntacticMatches, 0 SemanticMatches, 212 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 0 ImplicationChecksByTransitivity, 0.9s TimeCoverageRelationStatistics Valid=22791, Invalid=22791, Unknown=0, NotChecked=0, Total=45582 [2018-07-23 13:39:52,887 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 216 states. [2018-07-23 13:39:52,889 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 216 to 216. [2018-07-23 13:39:52,889 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 216 states. [2018-07-23 13:39:52,889 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 216 states to 216 states and 216 transitions. [2018-07-23 13:39:52,889 INFO L78 Accepts]: Start accepts. Automaton has 216 states and 216 transitions. Word has length 214 [2018-07-23 13:39:52,889 INFO L84 Accepts]: Finished accepts. word is rejected. [2018-07-23 13:39:52,889 INFO L471 AbstractCegarLoop]: Abstraction has 216 states and 216 transitions. [2018-07-23 13:39:52,889 INFO L472 AbstractCegarLoop]: Interpolant automaton has 214 states. [2018-07-23 13:39:52,889 INFO L276 IsEmpty]: Start isEmpty. Operand 216 states and 216 transitions. [2018-07-23 13:39:52,890 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 216 [2018-07-23 13:39:52,890 INFO L349 BasicCegarLoop]: Found error trace [2018-07-23 13:39:52,890 INFO L357 BasicCegarLoop]: trace histogram [212, 1, 1, 1] [2018-07-23 13:39:52,890 INFO L414 AbstractCegarLoop]: === Iteration 213 === [ULTIMATE.startErr0AssertViolationASSERT]=== [2018-07-23 13:39:52,890 INFO L82 PathProgramCache]: Analyzing trace with hash 1045156353, now seen corresponding path program 212 times [2018-07-23 13:39:52,890 INFO L69 tionRefinementEngine]: Using refinement strategy FixedRefinementStrategy [2018-07-23 13:39:53,111 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-07-23 13:39:54,121 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 13:39:54,121 INFO L309 seRefinementStrategy]: Constructing automaton from 0 perfect and 1 imperfect interpolant sequences. [2018-07-23 13:39:54,121 INFO L324 seRefinementStrategy]: Number of different interpolants: perfect sequences [] imperfect sequences [214] total 214 [2018-07-23 13:39:54,122 INFO L142 lantAutomatonBuilder]: Constructing canonical interpolant automaton, with selfloop in false state [2018-07-23 13:39:54,122 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2018-07-23 13:39:54,122 INFO L185 omatonBuilderFactory]: Interpolants [117761#(<= ULTIMATE.start_main_~i~4 390), 117760#(<= ULTIMATE.start_main_~i~4 388), 117763#(<= ULTIMATE.start_main_~i~4 394), 117762#(<= ULTIMATE.start_main_~i~4 392), 117765#(<= ULTIMATE.start_main_~i~4 398), 117764#(<= ULTIMATE.start_main_~i~4 396), 117767#(<= ULTIMATE.start_main_~i~4 402), 117766#(<= ULTIMATE.start_main_~i~4 400), 117769#(<= ULTIMATE.start_main_~i~4 406), 117768#(<= ULTIMATE.start_main_~i~4 404), 117771#(<= ULTIMATE.start_main_~i~4 410), 117770#(<= ULTIMATE.start_main_~i~4 408), 117773#(<= ULTIMATE.start_main_~i~4 414), 117772#(<= ULTIMATE.start_main_~i~4 412), 117775#(<= ULTIMATE.start_main_~i~4 418), 117774#(<= ULTIMATE.start_main_~i~4 416), 117777#(<= ULTIMATE.start_main_~i~4 422), 117776#(<= ULTIMATE.start_main_~i~4 420), 117778#(<= ULTIMATE.start_main_~i~4 424), 117565#false, 117564#true, 117567#(<= ULTIMATE.start_main_~i~4 2), 117566#(<= ULTIMATE.start_main_~i~4 0), 117569#(<= ULTIMATE.start_main_~i~4 6), 117568#(<= ULTIMATE.start_main_~i~4 4), 117571#(<= ULTIMATE.start_main_~i~4 10), 117570#(<= ULTIMATE.start_main_~i~4 8), 117573#(<= ULTIMATE.start_main_~i~4 14), 117572#(<= ULTIMATE.start_main_~i~4 12), 117575#(<= ULTIMATE.start_main_~i~4 18), 117574#(<= ULTIMATE.start_main_~i~4 16), 117577#(<= ULTIMATE.start_main_~i~4 22), 117576#(<= ULTIMATE.start_main_~i~4 20), 117579#(<= ULTIMATE.start_main_~i~4 26), 117578#(<= ULTIMATE.start_main_~i~4 24), 117581#(<= ULTIMATE.start_main_~i~4 30), 117580#(<= ULTIMATE.start_main_~i~4 28), 117583#(<= ULTIMATE.start_main_~i~4 34), 117582#(<= ULTIMATE.start_main_~i~4 32), 117585#(<= ULTIMATE.start_main_~i~4 38), 117584#(<= ULTIMATE.start_main_~i~4 36), 117587#(<= ULTIMATE.start_main_~i~4 42), 117586#(<= ULTIMATE.start_main_~i~4 40), 117589#(<= ULTIMATE.start_main_~i~4 46), 117588#(<= ULTIMATE.start_main_~i~4 44), 117591#(<= ULTIMATE.start_main_~i~4 50), 117590#(<= ULTIMATE.start_main_~i~4 48), 117593#(<= ULTIMATE.start_main_~i~4 54), 117592#(<= ULTIMATE.start_main_~i~4 52), 117595#(<= ULTIMATE.start_main_~i~4 58), 117594#(<= ULTIMATE.start_main_~i~4 56), 117597#(<= ULTIMATE.start_main_~i~4 62), 117596#(<= ULTIMATE.start_main_~i~4 60), 117599#(<= ULTIMATE.start_main_~i~4 66), 117598#(<= ULTIMATE.start_main_~i~4 64), 117601#(<= ULTIMATE.start_main_~i~4 70), 117600#(<= ULTIMATE.start_main_~i~4 68), 117603#(<= ULTIMATE.start_main_~i~4 74), 117602#(<= ULTIMATE.start_main_~i~4 72), 117605#(<= ULTIMATE.start_main_~i~4 78), 117604#(<= ULTIMATE.start_main_~i~4 76), 117607#(<= ULTIMATE.start_main_~i~4 82), 117606#(<= ULTIMATE.start_main_~i~4 80), 117609#(<= ULTIMATE.start_main_~i~4 86), 117608#(<= ULTIMATE.start_main_~i~4 84), 117611#(<= ULTIMATE.start_main_~i~4 90), 117610#(<= ULTIMATE.start_main_~i~4 88), 117613#(<= ULTIMATE.start_main_~i~4 94), 117612#(<= ULTIMATE.start_main_~i~4 92), 117615#(<= ULTIMATE.start_main_~i~4 98), 117614#(<= ULTIMATE.start_main_~i~4 96), 117617#(<= ULTIMATE.start_main_~i~4 102), 117616#(<= ULTIMATE.start_main_~i~4 100), 117619#(<= ULTIMATE.start_main_~i~4 106), 117618#(<= ULTIMATE.start_main_~i~4 104), 117621#(<= ULTIMATE.start_main_~i~4 110), 117620#(<= ULTIMATE.start_main_~i~4 108), 117623#(<= ULTIMATE.start_main_~i~4 114), 117622#(<= ULTIMATE.start_main_~i~4 112), 117625#(<= ULTIMATE.start_main_~i~4 118), 117624#(<= ULTIMATE.start_main_~i~4 116), 117627#(<= ULTIMATE.start_main_~i~4 122), 117626#(<= ULTIMATE.start_main_~i~4 120), 117629#(<= ULTIMATE.start_main_~i~4 126), 117628#(<= ULTIMATE.start_main_~i~4 124), 117631#(<= ULTIMATE.start_main_~i~4 130), 117630#(<= ULTIMATE.start_main_~i~4 128), 117633#(<= ULTIMATE.start_main_~i~4 134), 117632#(<= ULTIMATE.start_main_~i~4 132), 117635#(<= ULTIMATE.start_main_~i~4 138), 117634#(<= ULTIMATE.start_main_~i~4 136), 117637#(<= ULTIMATE.start_main_~i~4 142), 117636#(<= ULTIMATE.start_main_~i~4 140), 117639#(<= ULTIMATE.start_main_~i~4 146), 117638#(<= ULTIMATE.start_main_~i~4 144), 117641#(<= ULTIMATE.start_main_~i~4 150), 117640#(<= ULTIMATE.start_main_~i~4 148), 117643#(<= ULTIMATE.start_main_~i~4 154), 117642#(<= ULTIMATE.start_main_~i~4 152), 117645#(<= ULTIMATE.start_main_~i~4 158), 117644#(<= ULTIMATE.start_main_~i~4 156), 117647#(<= ULTIMATE.start_main_~i~4 162), 117646#(<= ULTIMATE.start_main_~i~4 160), 117649#(<= ULTIMATE.start_main_~i~4 166), 117648#(<= ULTIMATE.start_main_~i~4 164), 117651#(<= ULTIMATE.start_main_~i~4 170), 117650#(<= ULTIMATE.start_main_~i~4 168), 117653#(<= ULTIMATE.start_main_~i~4 174), 117652#(<= ULTIMATE.start_main_~i~4 172), 117655#(<= ULTIMATE.start_main_~i~4 178), 117654#(<= ULTIMATE.start_main_~i~4 176), 117657#(<= ULTIMATE.start_main_~i~4 182), 117656#(<= ULTIMATE.start_main_~i~4 180), 117659#(<= ULTIMATE.start_main_~i~4 186), 117658#(<= ULTIMATE.start_main_~i~4 184), 117661#(<= ULTIMATE.start_main_~i~4 190), 117660#(<= ULTIMATE.start_main_~i~4 188), 117663#(<= ULTIMATE.start_main_~i~4 194), 117662#(<= ULTIMATE.start_main_~i~4 192), 117665#(<= ULTIMATE.start_main_~i~4 198), 117664#(<= ULTIMATE.start_main_~i~4 196), 117667#(<= ULTIMATE.start_main_~i~4 202), 117666#(<= ULTIMATE.start_main_~i~4 200), 117669#(<= ULTIMATE.start_main_~i~4 206), 117668#(<= ULTIMATE.start_main_~i~4 204), 117671#(<= ULTIMATE.start_main_~i~4 210), 117670#(<= ULTIMATE.start_main_~i~4 208), 117673#(<= ULTIMATE.start_main_~i~4 214), 117672#(<= ULTIMATE.start_main_~i~4 212), 117675#(<= ULTIMATE.start_main_~i~4 218), 117674#(<= ULTIMATE.start_main_~i~4 216), 117677#(<= ULTIMATE.start_main_~i~4 222), 117676#(<= ULTIMATE.start_main_~i~4 220), 117679#(<= ULTIMATE.start_main_~i~4 226), 117678#(<= ULTIMATE.start_main_~i~4 224), 117681#(<= ULTIMATE.start_main_~i~4 230), 117680#(<= ULTIMATE.start_main_~i~4 228), 117683#(<= ULTIMATE.start_main_~i~4 234), 117682#(<= ULTIMATE.start_main_~i~4 232), 117685#(<= ULTIMATE.start_main_~i~4 238), 117684#(<= ULTIMATE.start_main_~i~4 236), 117687#(<= ULTIMATE.start_main_~i~4 242), 117686#(<= ULTIMATE.start_main_~i~4 240), 117689#(<= ULTIMATE.start_main_~i~4 246), 117688#(<= ULTIMATE.start_main_~i~4 244), 117691#(<= ULTIMATE.start_main_~i~4 250), 117690#(<= ULTIMATE.start_main_~i~4 248), 117693#(<= ULTIMATE.start_main_~i~4 254), 117692#(<= ULTIMATE.start_main_~i~4 252), 117695#(<= ULTIMATE.start_main_~i~4 258), 117694#(<= ULTIMATE.start_main_~i~4 256), 117697#(<= ULTIMATE.start_main_~i~4 262), 117696#(<= ULTIMATE.start_main_~i~4 260), 117699#(<= ULTIMATE.start_main_~i~4 266), 117698#(<= ULTIMATE.start_main_~i~4 264), 117701#(<= ULTIMATE.start_main_~i~4 270), 117700#(<= ULTIMATE.start_main_~i~4 268), 117703#(<= ULTIMATE.start_main_~i~4 274), 117702#(<= ULTIMATE.start_main_~i~4 272), 117705#(<= ULTIMATE.start_main_~i~4 278), 117704#(<= ULTIMATE.start_main_~i~4 276), 117707#(<= ULTIMATE.start_main_~i~4 282), 117706#(<= ULTIMATE.start_main_~i~4 280), 117709#(<= ULTIMATE.start_main_~i~4 286), 117708#(<= ULTIMATE.start_main_~i~4 284), 117711#(<= ULTIMATE.start_main_~i~4 290), 117710#(<= ULTIMATE.start_main_~i~4 288), 117713#(<= ULTIMATE.start_main_~i~4 294), 117712#(<= ULTIMATE.start_main_~i~4 292), 117715#(<= ULTIMATE.start_main_~i~4 298), 117714#(<= ULTIMATE.start_main_~i~4 296), 117717#(<= ULTIMATE.start_main_~i~4 302), 117716#(<= ULTIMATE.start_main_~i~4 300), 117719#(<= ULTIMATE.start_main_~i~4 306), 117718#(<= ULTIMATE.start_main_~i~4 304), 117721#(<= ULTIMATE.start_main_~i~4 310), 117720#(<= ULTIMATE.start_main_~i~4 308), 117723#(<= ULTIMATE.start_main_~i~4 314), 117722#(<= ULTIMATE.start_main_~i~4 312), 117725#(<= ULTIMATE.start_main_~i~4 318), 117724#(<= ULTIMATE.start_main_~i~4 316), 117727#(<= ULTIMATE.start_main_~i~4 322), 117726#(<= ULTIMATE.start_main_~i~4 320), 117729#(<= ULTIMATE.start_main_~i~4 326), 117728#(<= ULTIMATE.start_main_~i~4 324), 117731#(<= ULTIMATE.start_main_~i~4 330), 117730#(<= ULTIMATE.start_main_~i~4 328), 117733#(<= ULTIMATE.start_main_~i~4 334), 117732#(<= ULTIMATE.start_main_~i~4 332), 117735#(<= ULTIMATE.start_main_~i~4 338), 117734#(<= ULTIMATE.start_main_~i~4 336), 117737#(<= ULTIMATE.start_main_~i~4 342), 117736#(<= ULTIMATE.start_main_~i~4 340), 117739#(<= ULTIMATE.start_main_~i~4 346), 117738#(<= ULTIMATE.start_main_~i~4 344), 117741#(<= ULTIMATE.start_main_~i~4 350), 117740#(<= ULTIMATE.start_main_~i~4 348), 117743#(<= ULTIMATE.start_main_~i~4 354), 117742#(<= ULTIMATE.start_main_~i~4 352), 117745#(<= ULTIMATE.start_main_~i~4 358), 117744#(<= ULTIMATE.start_main_~i~4 356), 117747#(<= ULTIMATE.start_main_~i~4 362), 117746#(<= ULTIMATE.start_main_~i~4 360), 117749#(<= ULTIMATE.start_main_~i~4 366), 117748#(<= ULTIMATE.start_main_~i~4 364), 117751#(<= ULTIMATE.start_main_~i~4 370), 117750#(<= ULTIMATE.start_main_~i~4 368), 117753#(<= ULTIMATE.start_main_~i~4 374), 117752#(<= ULTIMATE.start_main_~i~4 372), 117755#(<= ULTIMATE.start_main_~i~4 378), 117754#(<= ULTIMATE.start_main_~i~4 376), 117757#(<= ULTIMATE.start_main_~i~4 382), 117756#(<= ULTIMATE.start_main_~i~4 380), 117759#(<= ULTIMATE.start_main_~i~4 386), 117758#(<= ULTIMATE.start_main_~i~4 384)] [2018-07-23 13:39:54,123 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 13:39:54,124 INFO L450 AbstractCegarLoop]: Interpolant automaton has 215 states [2018-07-23 13:39:54,127 INFO L132 InterpolantAutomaton]: Constructing interpolant automaton starting with 215 interpolants. [2018-07-23 13:39:54,128 INFO L133 InterpolantAutomaton]: CoverageRelationStatistics Valid=23005, Invalid=23005, Unknown=0, NotChecked=0, Total=46010 [2018-07-23 13:39:54,128 INFO L87 Difference]: Start difference. First operand 216 states and 216 transitions. Second operand 215 states. [2018-07-23 13:39:55,047 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2018-07-23 13:39:55,047 INFO L93 Difference]: Finished difference Result 219 states and 219 transitions. [2018-07-23 13:39:55,048 INFO L142 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 215 states. [2018-07-23 13:39:55,048 INFO L78 Accepts]: Start accepts. Automaton has 215 states. Word has length 215 [2018-07-23 13:39:55,048 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2018-07-23 13:39:55,048 INFO L225 Difference]: With dead ends: 219 [2018-07-23 13:39:55,048 INFO L226 Difference]: Without dead ends: 217 [2018-07-23 13:39:55,050 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 13:39:55,050 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 217 states. [2018-07-23 13:39:55,052 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 217 to 217. [2018-07-23 13:39:55,052 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 217 states. [2018-07-23 13:39:55,053 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 217 states to 217 states and 217 transitions. [2018-07-23 13:39:55,053 INFO L78 Accepts]: Start accepts. Automaton has 217 states and 217 transitions. Word has length 215 [2018-07-23 13:39:55,053 INFO L84 Accepts]: Finished accepts. word is rejected. [2018-07-23 13:39:55,053 INFO L471 AbstractCegarLoop]: Abstraction has 217 states and 217 transitions. [2018-07-23 13:39:55,053 INFO L472 AbstractCegarLoop]: Interpolant automaton has 215 states. [2018-07-23 13:39:55,053 INFO L276 IsEmpty]: Start isEmpty. Operand 217 states and 217 transitions. [2018-07-23 13:39:55,053 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 217 [2018-07-23 13:39:55,053 INFO L349 BasicCegarLoop]: Found error trace [2018-07-23 13:39:55,054 INFO L357 BasicCegarLoop]: trace histogram [213, 1, 1, 1] [2018-07-23 13:39:55,054 INFO L414 AbstractCegarLoop]: === Iteration 214 === [ULTIMATE.startErr0AssertViolationASSERT]=== [2018-07-23 13:39:55,054 INFO L82 PathProgramCache]: Analyzing trace with hash -1959893400, now seen corresponding path program 213 times [2018-07-23 13:39:55,054 INFO L69 tionRefinementEngine]: Using refinement strategy FixedRefinementStrategy [2018-07-23 13:39:55,267 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-07-23 13:39:56,290 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 13:39:56,290 INFO L309 seRefinementStrategy]: Constructing automaton from 0 perfect and 1 imperfect interpolant sequences. [2018-07-23 13:39:56,290 INFO L324 seRefinementStrategy]: Number of different interpolants: perfect sequences [] imperfect sequences [215] total 215 [2018-07-23 13:39:56,290 INFO L142 lantAutomatonBuilder]: Constructing canonical interpolant automaton, with selfloop in false state [2018-07-23 13:39:56,290 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2018-07-23 13:39:56,291 INFO L185 omatonBuilderFactory]: Interpolants [118785#(<= ULTIMATE.start_main_~i~4 264), 118784#(<= ULTIMATE.start_main_~i~4 262), 118787#(<= ULTIMATE.start_main_~i~4 268), 118786#(<= ULTIMATE.start_main_~i~4 266), 118789#(<= ULTIMATE.start_main_~i~4 272), 118788#(<= ULTIMATE.start_main_~i~4 270), 118791#(<= ULTIMATE.start_main_~i~4 276), 118790#(<= ULTIMATE.start_main_~i~4 274), 118793#(<= ULTIMATE.start_main_~i~4 280), 118792#(<= ULTIMATE.start_main_~i~4 278), 118795#(<= ULTIMATE.start_main_~i~4 284), 118794#(<= ULTIMATE.start_main_~i~4 282), 118797#(<= ULTIMATE.start_main_~i~4 288), 118796#(<= ULTIMATE.start_main_~i~4 286), 118799#(<= ULTIMATE.start_main_~i~4 292), 118798#(<= ULTIMATE.start_main_~i~4 290), 118801#(<= ULTIMATE.start_main_~i~4 296), 118800#(<= ULTIMATE.start_main_~i~4 294), 118803#(<= ULTIMATE.start_main_~i~4 300), 118802#(<= ULTIMATE.start_main_~i~4 298), 118805#(<= ULTIMATE.start_main_~i~4 304), 118804#(<= ULTIMATE.start_main_~i~4 302), 118807#(<= ULTIMATE.start_main_~i~4 308), 118806#(<= ULTIMATE.start_main_~i~4 306), 118809#(<= ULTIMATE.start_main_~i~4 312), 118808#(<= ULTIMATE.start_main_~i~4 310), 118811#(<= ULTIMATE.start_main_~i~4 316), 118810#(<= ULTIMATE.start_main_~i~4 314), 118813#(<= ULTIMATE.start_main_~i~4 320), 118812#(<= ULTIMATE.start_main_~i~4 318), 118815#(<= ULTIMATE.start_main_~i~4 324), 118814#(<= ULTIMATE.start_main_~i~4 322), 118817#(<= ULTIMATE.start_main_~i~4 328), 118816#(<= ULTIMATE.start_main_~i~4 326), 118819#(<= ULTIMATE.start_main_~i~4 332), 118818#(<= ULTIMATE.start_main_~i~4 330), 118821#(<= ULTIMATE.start_main_~i~4 336), 118820#(<= ULTIMATE.start_main_~i~4 334), 118823#(<= ULTIMATE.start_main_~i~4 340), 118822#(<= ULTIMATE.start_main_~i~4 338), 118825#(<= ULTIMATE.start_main_~i~4 344), 118824#(<= ULTIMATE.start_main_~i~4 342), 118827#(<= ULTIMATE.start_main_~i~4 348), 118826#(<= ULTIMATE.start_main_~i~4 346), 118829#(<= ULTIMATE.start_main_~i~4 352), 118828#(<= ULTIMATE.start_main_~i~4 350), 118831#(<= ULTIMATE.start_main_~i~4 356), 118830#(<= ULTIMATE.start_main_~i~4 354), 118833#(<= ULTIMATE.start_main_~i~4 360), 118832#(<= ULTIMATE.start_main_~i~4 358), 118835#(<= ULTIMATE.start_main_~i~4 364), 118834#(<= ULTIMATE.start_main_~i~4 362), 118837#(<= ULTIMATE.start_main_~i~4 368), 118836#(<= ULTIMATE.start_main_~i~4 366), 118839#(<= ULTIMATE.start_main_~i~4 372), 118838#(<= ULTIMATE.start_main_~i~4 370), 118841#(<= ULTIMATE.start_main_~i~4 376), 118840#(<= ULTIMATE.start_main_~i~4 374), 118843#(<= ULTIMATE.start_main_~i~4 380), 118842#(<= ULTIMATE.start_main_~i~4 378), 118845#(<= ULTIMATE.start_main_~i~4 384), 118844#(<= ULTIMATE.start_main_~i~4 382), 118847#(<= ULTIMATE.start_main_~i~4 388), 118846#(<= ULTIMATE.start_main_~i~4 386), 118849#(<= ULTIMATE.start_main_~i~4 392), 118848#(<= ULTIMATE.start_main_~i~4 390), 118851#(<= ULTIMATE.start_main_~i~4 396), 118850#(<= ULTIMATE.start_main_~i~4 394), 118853#(<= ULTIMATE.start_main_~i~4 400), 118852#(<= ULTIMATE.start_main_~i~4 398), 118855#(<= ULTIMATE.start_main_~i~4 404), 118854#(<= ULTIMATE.start_main_~i~4 402), 118857#(<= ULTIMATE.start_main_~i~4 408), 118856#(<= ULTIMATE.start_main_~i~4 406), 118859#(<= ULTIMATE.start_main_~i~4 412), 118858#(<= ULTIMATE.start_main_~i~4 410), 118861#(<= ULTIMATE.start_main_~i~4 416), 118860#(<= ULTIMATE.start_main_~i~4 414), 118863#(<= ULTIMATE.start_main_~i~4 420), 118862#(<= ULTIMATE.start_main_~i~4 418), 118865#(<= ULTIMATE.start_main_~i~4 424), 118864#(<= ULTIMATE.start_main_~i~4 422), 118866#(<= ULTIMATE.start_main_~i~4 426), 118651#true, 118653#(<= ULTIMATE.start_main_~i~4 0), 118652#false, 118655#(<= ULTIMATE.start_main_~i~4 4), 118654#(<= ULTIMATE.start_main_~i~4 2), 118657#(<= ULTIMATE.start_main_~i~4 8), 118656#(<= ULTIMATE.start_main_~i~4 6), 118659#(<= ULTIMATE.start_main_~i~4 12), 118658#(<= ULTIMATE.start_main_~i~4 10), 118661#(<= ULTIMATE.start_main_~i~4 16), 118660#(<= ULTIMATE.start_main_~i~4 14), 118663#(<= ULTIMATE.start_main_~i~4 20), 118662#(<= ULTIMATE.start_main_~i~4 18), 118665#(<= ULTIMATE.start_main_~i~4 24), 118664#(<= ULTIMATE.start_main_~i~4 22), 118667#(<= ULTIMATE.start_main_~i~4 28), 118666#(<= ULTIMATE.start_main_~i~4 26), 118669#(<= ULTIMATE.start_main_~i~4 32), 118668#(<= ULTIMATE.start_main_~i~4 30), 118671#(<= ULTIMATE.start_main_~i~4 36), 118670#(<= ULTIMATE.start_main_~i~4 34), 118673#(<= ULTIMATE.start_main_~i~4 40), 118672#(<= ULTIMATE.start_main_~i~4 38), 118675#(<= ULTIMATE.start_main_~i~4 44), 118674#(<= ULTIMATE.start_main_~i~4 42), 118677#(<= ULTIMATE.start_main_~i~4 48), 118676#(<= ULTIMATE.start_main_~i~4 46), 118679#(<= ULTIMATE.start_main_~i~4 52), 118678#(<= ULTIMATE.start_main_~i~4 50), 118681#(<= ULTIMATE.start_main_~i~4 56), 118680#(<= ULTIMATE.start_main_~i~4 54), 118683#(<= ULTIMATE.start_main_~i~4 60), 118682#(<= ULTIMATE.start_main_~i~4 58), 118685#(<= ULTIMATE.start_main_~i~4 64), 118684#(<= ULTIMATE.start_main_~i~4 62), 118687#(<= ULTIMATE.start_main_~i~4 68), 118686#(<= ULTIMATE.start_main_~i~4 66), 118689#(<= ULTIMATE.start_main_~i~4 72), 118688#(<= ULTIMATE.start_main_~i~4 70), 118691#(<= ULTIMATE.start_main_~i~4 76), 118690#(<= ULTIMATE.start_main_~i~4 74), 118693#(<= ULTIMATE.start_main_~i~4 80), 118692#(<= ULTIMATE.start_main_~i~4 78), 118695#(<= ULTIMATE.start_main_~i~4 84), 118694#(<= ULTIMATE.start_main_~i~4 82), 118697#(<= ULTIMATE.start_main_~i~4 88), 118696#(<= ULTIMATE.start_main_~i~4 86), 118699#(<= ULTIMATE.start_main_~i~4 92), 118698#(<= ULTIMATE.start_main_~i~4 90), 118701#(<= ULTIMATE.start_main_~i~4 96), 118700#(<= ULTIMATE.start_main_~i~4 94), 118703#(<= ULTIMATE.start_main_~i~4 100), 118702#(<= ULTIMATE.start_main_~i~4 98), 118705#(<= ULTIMATE.start_main_~i~4 104), 118704#(<= ULTIMATE.start_main_~i~4 102), 118707#(<= ULTIMATE.start_main_~i~4 108), 118706#(<= ULTIMATE.start_main_~i~4 106), 118709#(<= ULTIMATE.start_main_~i~4 112), 118708#(<= ULTIMATE.start_main_~i~4 110), 118711#(<= ULTIMATE.start_main_~i~4 116), 118710#(<= ULTIMATE.start_main_~i~4 114), 118713#(<= ULTIMATE.start_main_~i~4 120), 118712#(<= ULTIMATE.start_main_~i~4 118), 118715#(<= ULTIMATE.start_main_~i~4 124), 118714#(<= ULTIMATE.start_main_~i~4 122), 118717#(<= ULTIMATE.start_main_~i~4 128), 118716#(<= ULTIMATE.start_main_~i~4 126), 118719#(<= ULTIMATE.start_main_~i~4 132), 118718#(<= ULTIMATE.start_main_~i~4 130), 118721#(<= ULTIMATE.start_main_~i~4 136), 118720#(<= ULTIMATE.start_main_~i~4 134), 118723#(<= ULTIMATE.start_main_~i~4 140), 118722#(<= ULTIMATE.start_main_~i~4 138), 118725#(<= ULTIMATE.start_main_~i~4 144), 118724#(<= ULTIMATE.start_main_~i~4 142), 118727#(<= ULTIMATE.start_main_~i~4 148), 118726#(<= ULTIMATE.start_main_~i~4 146), 118729#(<= ULTIMATE.start_main_~i~4 152), 118728#(<= ULTIMATE.start_main_~i~4 150), 118731#(<= ULTIMATE.start_main_~i~4 156), 118730#(<= ULTIMATE.start_main_~i~4 154), 118733#(<= ULTIMATE.start_main_~i~4 160), 118732#(<= ULTIMATE.start_main_~i~4 158), 118735#(<= ULTIMATE.start_main_~i~4 164), 118734#(<= ULTIMATE.start_main_~i~4 162), 118737#(<= ULTIMATE.start_main_~i~4 168), 118736#(<= ULTIMATE.start_main_~i~4 166), 118739#(<= ULTIMATE.start_main_~i~4 172), 118738#(<= ULTIMATE.start_main_~i~4 170), 118741#(<= ULTIMATE.start_main_~i~4 176), 118740#(<= ULTIMATE.start_main_~i~4 174), 118743#(<= ULTIMATE.start_main_~i~4 180), 118742#(<= ULTIMATE.start_main_~i~4 178), 118745#(<= ULTIMATE.start_main_~i~4 184), 118744#(<= ULTIMATE.start_main_~i~4 182), 118747#(<= ULTIMATE.start_main_~i~4 188), 118746#(<= ULTIMATE.start_main_~i~4 186), 118749#(<= ULTIMATE.start_main_~i~4 192), 118748#(<= ULTIMATE.start_main_~i~4 190), 118751#(<= ULTIMATE.start_main_~i~4 196), 118750#(<= ULTIMATE.start_main_~i~4 194), 118753#(<= ULTIMATE.start_main_~i~4 200), 118752#(<= ULTIMATE.start_main_~i~4 198), 118755#(<= ULTIMATE.start_main_~i~4 204), 118754#(<= ULTIMATE.start_main_~i~4 202), 118757#(<= ULTIMATE.start_main_~i~4 208), 118756#(<= ULTIMATE.start_main_~i~4 206), 118759#(<= ULTIMATE.start_main_~i~4 212), 118758#(<= ULTIMATE.start_main_~i~4 210), 118761#(<= ULTIMATE.start_main_~i~4 216), 118760#(<= ULTIMATE.start_main_~i~4 214), 118763#(<= ULTIMATE.start_main_~i~4 220), 118762#(<= ULTIMATE.start_main_~i~4 218), 118765#(<= ULTIMATE.start_main_~i~4 224), 118764#(<= ULTIMATE.start_main_~i~4 222), 118767#(<= ULTIMATE.start_main_~i~4 228), 118766#(<= ULTIMATE.start_main_~i~4 226), 118769#(<= ULTIMATE.start_main_~i~4 232), 118768#(<= ULTIMATE.start_main_~i~4 230), 118771#(<= ULTIMATE.start_main_~i~4 236), 118770#(<= ULTIMATE.start_main_~i~4 234), 118773#(<= ULTIMATE.start_main_~i~4 240), 118772#(<= ULTIMATE.start_main_~i~4 238), 118775#(<= ULTIMATE.start_main_~i~4 244), 118774#(<= ULTIMATE.start_main_~i~4 242), 118777#(<= ULTIMATE.start_main_~i~4 248), 118776#(<= ULTIMATE.start_main_~i~4 246), 118779#(<= ULTIMATE.start_main_~i~4 252), 118778#(<= ULTIMATE.start_main_~i~4 250), 118781#(<= ULTIMATE.start_main_~i~4 256), 118780#(<= ULTIMATE.start_main_~i~4 254), 118783#(<= ULTIMATE.start_main_~i~4 260), 118782#(<= ULTIMATE.start_main_~i~4 258)] [2018-07-23 13:39:56,292 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 13:39:56,292 INFO L450 AbstractCegarLoop]: Interpolant automaton has 216 states [2018-07-23 13:39:56,294 INFO L132 InterpolantAutomaton]: Constructing interpolant automaton starting with 216 interpolants. [2018-07-23 13:39:56,296 INFO L133 InterpolantAutomaton]: CoverageRelationStatistics Valid=23220, Invalid=23220, Unknown=0, NotChecked=0, Total=46440 [2018-07-23 13:39:56,296 INFO L87 Difference]: Start difference. First operand 217 states and 217 transitions. Second operand 216 states. [2018-07-23 13:39:56,666 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2018-07-23 13:39:56,666 INFO L93 Difference]: Finished difference Result 220 states and 220 transitions. [2018-07-23 13:39:56,666 INFO L142 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 216 states. [2018-07-23 13:39:56,666 INFO L78 Accepts]: Start accepts. Automaton has 216 states. Word has length 216 [2018-07-23 13:39:56,666 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2018-07-23 13:39:56,666 INFO L225 Difference]: With dead ends: 220 [2018-07-23 13:39:56,667 INFO L226 Difference]: Without dead ends: 218 [2018-07-23 13:39:56,668 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 13:39:56,669 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 218 states. [2018-07-23 13:39:56,670 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 218 to 218. [2018-07-23 13:39:56,670 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 218 states. [2018-07-23 13:39:56,671 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 218 states to 218 states and 218 transitions. [2018-07-23 13:39:56,671 INFO L78 Accepts]: Start accepts. Automaton has 218 states and 218 transitions. Word has length 216 [2018-07-23 13:39:56,671 INFO L84 Accepts]: Finished accepts. word is rejected. [2018-07-23 13:39:56,671 INFO L471 AbstractCegarLoop]: Abstraction has 218 states and 218 transitions. [2018-07-23 13:39:56,671 INFO L472 AbstractCegarLoop]: Interpolant automaton has 216 states. [2018-07-23 13:39:56,671 INFO L276 IsEmpty]: Start isEmpty. Operand 218 states and 218 transitions. [2018-07-23 13:39:56,672 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 218 [2018-07-23 13:39:56,672 INFO L349 BasicCegarLoop]: Found error trace [2018-07-23 13:39:56,672 INFO L357 BasicCegarLoop]: trace histogram [214, 1, 1, 1] [2018-07-23 13:39:56,672 INFO L414 AbstractCegarLoop]: === Iteration 215 === [ULTIMATE.startErr0AssertViolationASSERT]=== [2018-07-23 13:39:56,672 INFO L82 PathProgramCache]: Analyzing trace with hash -627155231, now seen corresponding path program 214 times [2018-07-23 13:39:56,672 INFO L69 tionRefinementEngine]: Using refinement strategy FixedRefinementStrategy [2018-07-23 13:39:56,899 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-07-23 13:39:57,912 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 13:39:57,912 INFO L309 seRefinementStrategy]: Constructing automaton from 0 perfect and 1 imperfect interpolant sequences. [2018-07-23 13:39:57,913 INFO L324 seRefinementStrategy]: Number of different interpolants: perfect sequences [] imperfect sequences [216] total 216 [2018-07-23 13:39:57,913 INFO L142 lantAutomatonBuilder]: Constructing canonical interpolant automaton, with selfloop in false state [2018-07-23 13:39:57,913 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 13:39:57,913 INFO L185 omatonBuilderFactory]: Interpolants [119809#(<= ULTIMATE.start_main_~i~4 128), 119808#(<= ULTIMATE.start_main_~i~4 126), 119811#(<= ULTIMATE.start_main_~i~4 132), 119810#(<= ULTIMATE.start_main_~i~4 130), 119813#(<= ULTIMATE.start_main_~i~4 136), 119812#(<= ULTIMATE.start_main_~i~4 134), 119815#(<= ULTIMATE.start_main_~i~4 140), 119814#(<= ULTIMATE.start_main_~i~4 138), 119817#(<= ULTIMATE.start_main_~i~4 144), 119816#(<= ULTIMATE.start_main_~i~4 142), 119819#(<= ULTIMATE.start_main_~i~4 148), 119818#(<= ULTIMATE.start_main_~i~4 146), 119821#(<= ULTIMATE.start_main_~i~4 152), 119820#(<= ULTIMATE.start_main_~i~4 150), 119823#(<= ULTIMATE.start_main_~i~4 156), 119822#(<= ULTIMATE.start_main_~i~4 154), 119825#(<= ULTIMATE.start_main_~i~4 160), 119824#(<= ULTIMATE.start_main_~i~4 158), 119827#(<= ULTIMATE.start_main_~i~4 164), 119826#(<= ULTIMATE.start_main_~i~4 162), 119829#(<= ULTIMATE.start_main_~i~4 168), 119828#(<= ULTIMATE.start_main_~i~4 166), 119831#(<= ULTIMATE.start_main_~i~4 172), 119830#(<= ULTIMATE.start_main_~i~4 170), 119833#(<= ULTIMATE.start_main_~i~4 176), 119832#(<= ULTIMATE.start_main_~i~4 174), 119835#(<= ULTIMATE.start_main_~i~4 180), 119834#(<= ULTIMATE.start_main_~i~4 178), 119837#(<= ULTIMATE.start_main_~i~4 184), 119836#(<= ULTIMATE.start_main_~i~4 182), 119839#(<= ULTIMATE.start_main_~i~4 188), 119838#(<= ULTIMATE.start_main_~i~4 186), 119841#(<= ULTIMATE.start_main_~i~4 192), 119840#(<= ULTIMATE.start_main_~i~4 190), 119843#(<= ULTIMATE.start_main_~i~4 196), 119842#(<= ULTIMATE.start_main_~i~4 194), 119845#(<= ULTIMATE.start_main_~i~4 200), 119844#(<= ULTIMATE.start_main_~i~4 198), 119847#(<= ULTIMATE.start_main_~i~4 204), 119846#(<= ULTIMATE.start_main_~i~4 202), 119849#(<= ULTIMATE.start_main_~i~4 208), 119848#(<= ULTIMATE.start_main_~i~4 206), 119851#(<= ULTIMATE.start_main_~i~4 212), 119850#(<= ULTIMATE.start_main_~i~4 210), 119853#(<= ULTIMATE.start_main_~i~4 216), 119852#(<= ULTIMATE.start_main_~i~4 214), 119855#(<= ULTIMATE.start_main_~i~4 220), 119854#(<= ULTIMATE.start_main_~i~4 218), 119857#(<= ULTIMATE.start_main_~i~4 224), 119856#(<= ULTIMATE.start_main_~i~4 222), 119859#(<= ULTIMATE.start_main_~i~4 228), 119858#(<= ULTIMATE.start_main_~i~4 226), 119861#(<= ULTIMATE.start_main_~i~4 232), 119860#(<= ULTIMATE.start_main_~i~4 230), 119863#(<= ULTIMATE.start_main_~i~4 236), 119862#(<= ULTIMATE.start_main_~i~4 234), 119865#(<= ULTIMATE.start_main_~i~4 240), 119864#(<= ULTIMATE.start_main_~i~4 238), 119867#(<= ULTIMATE.start_main_~i~4 244), 119866#(<= ULTIMATE.start_main_~i~4 242), 119869#(<= ULTIMATE.start_main_~i~4 248), 119868#(<= ULTIMATE.start_main_~i~4 246), 119871#(<= ULTIMATE.start_main_~i~4 252), 119870#(<= ULTIMATE.start_main_~i~4 250), 119873#(<= ULTIMATE.start_main_~i~4 256), 119872#(<= ULTIMATE.start_main_~i~4 254), 119875#(<= ULTIMATE.start_main_~i~4 260), 119874#(<= ULTIMATE.start_main_~i~4 258), 119877#(<= ULTIMATE.start_main_~i~4 264), 119876#(<= ULTIMATE.start_main_~i~4 262), 119879#(<= ULTIMATE.start_main_~i~4 268), 119878#(<= ULTIMATE.start_main_~i~4 266), 119881#(<= ULTIMATE.start_main_~i~4 272), 119880#(<= ULTIMATE.start_main_~i~4 270), 119883#(<= ULTIMATE.start_main_~i~4 276), 119882#(<= ULTIMATE.start_main_~i~4 274), 119885#(<= ULTIMATE.start_main_~i~4 280), 119884#(<= ULTIMATE.start_main_~i~4 278), 119887#(<= ULTIMATE.start_main_~i~4 284), 119886#(<= ULTIMATE.start_main_~i~4 282), 119889#(<= ULTIMATE.start_main_~i~4 288), 119888#(<= ULTIMATE.start_main_~i~4 286), 119891#(<= ULTIMATE.start_main_~i~4 292), 119890#(<= ULTIMATE.start_main_~i~4 290), 119893#(<= ULTIMATE.start_main_~i~4 296), 119892#(<= ULTIMATE.start_main_~i~4 294), 119895#(<= ULTIMATE.start_main_~i~4 300), 119894#(<= ULTIMATE.start_main_~i~4 298), 119897#(<= ULTIMATE.start_main_~i~4 304), 119896#(<= ULTIMATE.start_main_~i~4 302), 119899#(<= ULTIMATE.start_main_~i~4 308), 119898#(<= ULTIMATE.start_main_~i~4 306), 119901#(<= ULTIMATE.start_main_~i~4 312), 119900#(<= ULTIMATE.start_main_~i~4 310), 119903#(<= ULTIMATE.start_main_~i~4 316), 119902#(<= ULTIMATE.start_main_~i~4 314), 119905#(<= ULTIMATE.start_main_~i~4 320), 119904#(<= ULTIMATE.start_main_~i~4 318), 119907#(<= ULTIMATE.start_main_~i~4 324), 119906#(<= ULTIMATE.start_main_~i~4 322), 119909#(<= ULTIMATE.start_main_~i~4 328), 119908#(<= ULTIMATE.start_main_~i~4 326), 119911#(<= ULTIMATE.start_main_~i~4 332), 119910#(<= ULTIMATE.start_main_~i~4 330), 119913#(<= ULTIMATE.start_main_~i~4 336), 119912#(<= ULTIMATE.start_main_~i~4 334), 119915#(<= ULTIMATE.start_main_~i~4 340), 119914#(<= ULTIMATE.start_main_~i~4 338), 119917#(<= ULTIMATE.start_main_~i~4 344), 119916#(<= ULTIMATE.start_main_~i~4 342), 119919#(<= ULTIMATE.start_main_~i~4 348), 119918#(<= ULTIMATE.start_main_~i~4 346), 119921#(<= ULTIMATE.start_main_~i~4 352), 119920#(<= ULTIMATE.start_main_~i~4 350), 119923#(<= ULTIMATE.start_main_~i~4 356), 119922#(<= ULTIMATE.start_main_~i~4 354), 119925#(<= ULTIMATE.start_main_~i~4 360), 119924#(<= ULTIMATE.start_main_~i~4 358), 119927#(<= ULTIMATE.start_main_~i~4 364), 119926#(<= ULTIMATE.start_main_~i~4 362), 119929#(<= ULTIMATE.start_main_~i~4 368), 119928#(<= ULTIMATE.start_main_~i~4 366), 119931#(<= ULTIMATE.start_main_~i~4 372), 119930#(<= ULTIMATE.start_main_~i~4 370), 119933#(<= ULTIMATE.start_main_~i~4 376), 119932#(<= ULTIMATE.start_main_~i~4 374), 119935#(<= ULTIMATE.start_main_~i~4 380), 119934#(<= ULTIMATE.start_main_~i~4 378), 119937#(<= ULTIMATE.start_main_~i~4 384), 119936#(<= ULTIMATE.start_main_~i~4 382), 119939#(<= ULTIMATE.start_main_~i~4 388), 119938#(<= ULTIMATE.start_main_~i~4 386), 119941#(<= ULTIMATE.start_main_~i~4 392), 119940#(<= ULTIMATE.start_main_~i~4 390), 119943#(<= ULTIMATE.start_main_~i~4 396), 119942#(<= ULTIMATE.start_main_~i~4 394), 119945#(<= ULTIMATE.start_main_~i~4 400), 119944#(<= ULTIMATE.start_main_~i~4 398), 119947#(<= ULTIMATE.start_main_~i~4 404), 119946#(<= ULTIMATE.start_main_~i~4 402), 119949#(<= ULTIMATE.start_main_~i~4 408), 119948#(<= ULTIMATE.start_main_~i~4 406), 119951#(<= ULTIMATE.start_main_~i~4 412), 119950#(<= ULTIMATE.start_main_~i~4 410), 119953#(<= ULTIMATE.start_main_~i~4 416), 119952#(<= ULTIMATE.start_main_~i~4 414), 119955#(<= ULTIMATE.start_main_~i~4 420), 119954#(<= ULTIMATE.start_main_~i~4 418), 119957#(<= ULTIMATE.start_main_~i~4 424), 119956#(<= ULTIMATE.start_main_~i~4 422), 119959#(<= ULTIMATE.start_main_~i~4 428), 119958#(<= ULTIMATE.start_main_~i~4 426), 119743#true, 119745#(<= ULTIMATE.start_main_~i~4 0), 119744#false, 119747#(<= ULTIMATE.start_main_~i~4 4), 119746#(<= ULTIMATE.start_main_~i~4 2), 119749#(<= ULTIMATE.start_main_~i~4 8), 119748#(<= ULTIMATE.start_main_~i~4 6), 119751#(<= ULTIMATE.start_main_~i~4 12), 119750#(<= ULTIMATE.start_main_~i~4 10), 119753#(<= ULTIMATE.start_main_~i~4 16), 119752#(<= ULTIMATE.start_main_~i~4 14), 119755#(<= ULTIMATE.start_main_~i~4 20), 119754#(<= ULTIMATE.start_main_~i~4 18), 119757#(<= ULTIMATE.start_main_~i~4 24), 119756#(<= ULTIMATE.start_main_~i~4 22), 119759#(<= ULTIMATE.start_main_~i~4 28), 119758#(<= ULTIMATE.start_main_~i~4 26), 119761#(<= ULTIMATE.start_main_~i~4 32), 119760#(<= ULTIMATE.start_main_~i~4 30), 119763#(<= ULTIMATE.start_main_~i~4 36), 119762#(<= ULTIMATE.start_main_~i~4 34), 119765#(<= ULTIMATE.start_main_~i~4 40), 119764#(<= ULTIMATE.start_main_~i~4 38), 119767#(<= ULTIMATE.start_main_~i~4 44), 119766#(<= ULTIMATE.start_main_~i~4 42), 119769#(<= ULTIMATE.start_main_~i~4 48), 119768#(<= ULTIMATE.start_main_~i~4 46), 119771#(<= ULTIMATE.start_main_~i~4 52), 119770#(<= ULTIMATE.start_main_~i~4 50), 119773#(<= ULTIMATE.start_main_~i~4 56), 119772#(<= ULTIMATE.start_main_~i~4 54), 119775#(<= ULTIMATE.start_main_~i~4 60), 119774#(<= ULTIMATE.start_main_~i~4 58), 119777#(<= ULTIMATE.start_main_~i~4 64), 119776#(<= ULTIMATE.start_main_~i~4 62), 119779#(<= ULTIMATE.start_main_~i~4 68), 119778#(<= ULTIMATE.start_main_~i~4 66), 119781#(<= ULTIMATE.start_main_~i~4 72), 119780#(<= ULTIMATE.start_main_~i~4 70), 119783#(<= ULTIMATE.start_main_~i~4 76), 119782#(<= ULTIMATE.start_main_~i~4 74), 119785#(<= ULTIMATE.start_main_~i~4 80), 119784#(<= ULTIMATE.start_main_~i~4 78), 119787#(<= ULTIMATE.start_main_~i~4 84), 119786#(<= ULTIMATE.start_main_~i~4 82), 119789#(<= ULTIMATE.start_main_~i~4 88), 119788#(<= ULTIMATE.start_main_~i~4 86), 119791#(<= ULTIMATE.start_main_~i~4 92), 119790#(<= ULTIMATE.start_main_~i~4 90), 119793#(<= ULTIMATE.start_main_~i~4 96), 119792#(<= ULTIMATE.start_main_~i~4 94), 119795#(<= ULTIMATE.start_main_~i~4 100), 119794#(<= ULTIMATE.start_main_~i~4 98), 119797#(<= ULTIMATE.start_main_~i~4 104), 119796#(<= ULTIMATE.start_main_~i~4 102), 119799#(<= ULTIMATE.start_main_~i~4 108), 119798#(<= ULTIMATE.start_main_~i~4 106), 119801#(<= ULTIMATE.start_main_~i~4 112), 119800#(<= ULTIMATE.start_main_~i~4 110), 119803#(<= ULTIMATE.start_main_~i~4 116), 119802#(<= ULTIMATE.start_main_~i~4 114), 119805#(<= ULTIMATE.start_main_~i~4 120), 119804#(<= ULTIMATE.start_main_~i~4 118), 119807#(<= ULTIMATE.start_main_~i~4 124), 119806#(<= ULTIMATE.start_main_~i~4 122)] [2018-07-23 13:39:57,915 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 13:39:57,915 INFO L450 AbstractCegarLoop]: Interpolant automaton has 217 states [2018-07-23 13:39:57,918 INFO L132 InterpolantAutomaton]: Constructing interpolant automaton starting with 217 interpolants. [2018-07-23 13:39:57,919 INFO L133 InterpolantAutomaton]: CoverageRelationStatistics Valid=23436, Invalid=23436, Unknown=0, NotChecked=0, Total=46872 [2018-07-23 13:39:57,920 INFO L87 Difference]: Start difference. First operand 218 states and 218 transitions. Second operand 217 states. [2018-07-23 13:39:58,670 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2018-07-23 13:39:58,670 INFO L93 Difference]: Finished difference Result 221 states and 221 transitions. [2018-07-23 13:39:58,670 INFO L142 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 217 states. [2018-07-23 13:39:58,670 INFO L78 Accepts]: Start accepts. Automaton has 217 states. Word has length 217 [2018-07-23 13:39:58,670 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2018-07-23 13:39:58,671 INFO L225 Difference]: With dead ends: 221 [2018-07-23 13:39:58,671 INFO L226 Difference]: Without dead ends: 219 [2018-07-23 13:39:58,673 INFO L575 BasicCegarLoop]: 0 DeclaredPredicates, 216 GetRequests, 1 SyntacticMatches, 0 SemanticMatches, 215 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 0 ImplicationChecksByTransitivity, 0.9s TimeCoverageRelationStatistics Valid=23436, Invalid=23436, Unknown=0, NotChecked=0, Total=46872 [2018-07-23 13:39:58,673 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 219 states. [2018-07-23 13:39:58,675 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 219 to 219. [2018-07-23 13:39:58,675 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 219 states. [2018-07-23 13:39:58,675 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 219 states to 219 states and 219 transitions. [2018-07-23 13:39:58,675 INFO L78 Accepts]: Start accepts. Automaton has 219 states and 219 transitions. Word has length 217 [2018-07-23 13:39:58,675 INFO L84 Accepts]: Finished accepts. word is rejected. [2018-07-23 13:39:58,675 INFO L471 AbstractCegarLoop]: Abstraction has 219 states and 219 transitions. [2018-07-23 13:39:58,675 INFO L472 AbstractCegarLoop]: Interpolant automaton has 217 states. [2018-07-23 13:39:58,675 INFO L276 IsEmpty]: Start isEmpty. Operand 219 states and 219 transitions. [2018-07-23 13:39:58,676 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 219 [2018-07-23 13:39:58,676 INFO L349 BasicCegarLoop]: Found error trace [2018-07-23 13:39:58,676 INFO L357 BasicCegarLoop]: trace histogram [215, 1, 1, 1] [2018-07-23 13:39:58,676 INFO L414 AbstractCegarLoop]: === Iteration 216 === [ULTIMATE.startErr0AssertViolationASSERT]=== [2018-07-23 13:39:58,676 INFO L82 PathProgramCache]: Analyzing trace with hash 2033022344, now seen corresponding path program 215 times [2018-07-23 13:39:58,676 INFO L69 tionRefinementEngine]: Using refinement strategy FixedRefinementStrategy [2018-07-23 13:39:58,893 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-07-23 13:40:00,023 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 13:40:00,024 INFO L309 seRefinementStrategy]: Constructing automaton from 0 perfect and 1 imperfect interpolant sequences. [2018-07-23 13:40:00,024 INFO L324 seRefinementStrategy]: Number of different interpolants: perfect sequences [] imperfect sequences [217] total 217 [2018-07-23 13:40:00,024 INFO L142 lantAutomatonBuilder]: Constructing canonical interpolant automaton, with selfloop in false state [2018-07-23 13:40:00,024 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2018-07-23 13:40:00,024 INFO L185 omatonBuilderFactory]: Interpolants [120841#false, 120840#true, 120843#(<= ULTIMATE.start_main_~i~4 2), 120842#(<= ULTIMATE.start_main_~i~4 0), 120845#(<= ULTIMATE.start_main_~i~4 6), 120844#(<= ULTIMATE.start_main_~i~4 4), 120847#(<= ULTIMATE.start_main_~i~4 10), 120846#(<= ULTIMATE.start_main_~i~4 8), 120849#(<= ULTIMATE.start_main_~i~4 14), 120848#(<= ULTIMATE.start_main_~i~4 12), 120851#(<= ULTIMATE.start_main_~i~4 18), 120850#(<= ULTIMATE.start_main_~i~4 16), 120853#(<= ULTIMATE.start_main_~i~4 22), 120852#(<= ULTIMATE.start_main_~i~4 20), 120855#(<= ULTIMATE.start_main_~i~4 26), 120854#(<= ULTIMATE.start_main_~i~4 24), 120857#(<= ULTIMATE.start_main_~i~4 30), 120856#(<= ULTIMATE.start_main_~i~4 28), 120859#(<= ULTIMATE.start_main_~i~4 34), 120858#(<= ULTIMATE.start_main_~i~4 32), 120861#(<= ULTIMATE.start_main_~i~4 38), 120860#(<= ULTIMATE.start_main_~i~4 36), 120863#(<= ULTIMATE.start_main_~i~4 42), 120862#(<= ULTIMATE.start_main_~i~4 40), 120865#(<= ULTIMATE.start_main_~i~4 46), 120864#(<= ULTIMATE.start_main_~i~4 44), 120867#(<= ULTIMATE.start_main_~i~4 50), 120866#(<= ULTIMATE.start_main_~i~4 48), 120869#(<= ULTIMATE.start_main_~i~4 54), 120868#(<= ULTIMATE.start_main_~i~4 52), 120871#(<= ULTIMATE.start_main_~i~4 58), 120870#(<= ULTIMATE.start_main_~i~4 56), 120873#(<= ULTIMATE.start_main_~i~4 62), 120872#(<= ULTIMATE.start_main_~i~4 60), 120875#(<= ULTIMATE.start_main_~i~4 66), 120874#(<= ULTIMATE.start_main_~i~4 64), 120877#(<= ULTIMATE.start_main_~i~4 70), 120876#(<= ULTIMATE.start_main_~i~4 68), 120879#(<= ULTIMATE.start_main_~i~4 74), 120878#(<= ULTIMATE.start_main_~i~4 72), 120881#(<= ULTIMATE.start_main_~i~4 78), 120880#(<= ULTIMATE.start_main_~i~4 76), 120883#(<= ULTIMATE.start_main_~i~4 82), 120882#(<= ULTIMATE.start_main_~i~4 80), 120885#(<= ULTIMATE.start_main_~i~4 86), 120884#(<= ULTIMATE.start_main_~i~4 84), 120887#(<= ULTIMATE.start_main_~i~4 90), 120886#(<= ULTIMATE.start_main_~i~4 88), 120889#(<= ULTIMATE.start_main_~i~4 94), 120888#(<= ULTIMATE.start_main_~i~4 92), 120891#(<= ULTIMATE.start_main_~i~4 98), 120890#(<= ULTIMATE.start_main_~i~4 96), 120893#(<= ULTIMATE.start_main_~i~4 102), 120892#(<= ULTIMATE.start_main_~i~4 100), 120895#(<= ULTIMATE.start_main_~i~4 106), 120894#(<= ULTIMATE.start_main_~i~4 104), 120897#(<= ULTIMATE.start_main_~i~4 110), 120896#(<= ULTIMATE.start_main_~i~4 108), 120899#(<= ULTIMATE.start_main_~i~4 114), 120898#(<= ULTIMATE.start_main_~i~4 112), 120901#(<= ULTIMATE.start_main_~i~4 118), 120900#(<= ULTIMATE.start_main_~i~4 116), 120903#(<= ULTIMATE.start_main_~i~4 122), 120902#(<= ULTIMATE.start_main_~i~4 120), 120905#(<= ULTIMATE.start_main_~i~4 126), 120904#(<= ULTIMATE.start_main_~i~4 124), 120907#(<= ULTIMATE.start_main_~i~4 130), 120906#(<= ULTIMATE.start_main_~i~4 128), 120909#(<= ULTIMATE.start_main_~i~4 134), 120908#(<= ULTIMATE.start_main_~i~4 132), 120911#(<= ULTIMATE.start_main_~i~4 138), 120910#(<= ULTIMATE.start_main_~i~4 136), 120913#(<= ULTIMATE.start_main_~i~4 142), 120912#(<= ULTIMATE.start_main_~i~4 140), 120915#(<= ULTIMATE.start_main_~i~4 146), 120914#(<= ULTIMATE.start_main_~i~4 144), 120917#(<= ULTIMATE.start_main_~i~4 150), 120916#(<= ULTIMATE.start_main_~i~4 148), 120919#(<= ULTIMATE.start_main_~i~4 154), 120918#(<= ULTIMATE.start_main_~i~4 152), 120921#(<= ULTIMATE.start_main_~i~4 158), 120920#(<= ULTIMATE.start_main_~i~4 156), 120923#(<= ULTIMATE.start_main_~i~4 162), 120922#(<= ULTIMATE.start_main_~i~4 160), 120925#(<= ULTIMATE.start_main_~i~4 166), 120924#(<= ULTIMATE.start_main_~i~4 164), 120927#(<= ULTIMATE.start_main_~i~4 170), 120926#(<= ULTIMATE.start_main_~i~4 168), 120929#(<= ULTIMATE.start_main_~i~4 174), 120928#(<= ULTIMATE.start_main_~i~4 172), 120931#(<= ULTIMATE.start_main_~i~4 178), 120930#(<= ULTIMATE.start_main_~i~4 176), 120933#(<= ULTIMATE.start_main_~i~4 182), 120932#(<= ULTIMATE.start_main_~i~4 180), 120935#(<= ULTIMATE.start_main_~i~4 186), 120934#(<= ULTIMATE.start_main_~i~4 184), 120937#(<= ULTIMATE.start_main_~i~4 190), 120936#(<= ULTIMATE.start_main_~i~4 188), 120939#(<= ULTIMATE.start_main_~i~4 194), 120938#(<= ULTIMATE.start_main_~i~4 192), 120941#(<= ULTIMATE.start_main_~i~4 198), 120940#(<= ULTIMATE.start_main_~i~4 196), 120943#(<= ULTIMATE.start_main_~i~4 202), 120942#(<= ULTIMATE.start_main_~i~4 200), 120945#(<= ULTIMATE.start_main_~i~4 206), 120944#(<= ULTIMATE.start_main_~i~4 204), 120947#(<= ULTIMATE.start_main_~i~4 210), 120946#(<= ULTIMATE.start_main_~i~4 208), 120949#(<= ULTIMATE.start_main_~i~4 214), 120948#(<= ULTIMATE.start_main_~i~4 212), 120951#(<= ULTIMATE.start_main_~i~4 218), 120950#(<= ULTIMATE.start_main_~i~4 216), 120953#(<= ULTIMATE.start_main_~i~4 222), 120952#(<= ULTIMATE.start_main_~i~4 220), 120955#(<= ULTIMATE.start_main_~i~4 226), 120954#(<= ULTIMATE.start_main_~i~4 224), 120957#(<= ULTIMATE.start_main_~i~4 230), 120956#(<= ULTIMATE.start_main_~i~4 228), 120959#(<= ULTIMATE.start_main_~i~4 234), 120958#(<= ULTIMATE.start_main_~i~4 232), 120961#(<= ULTIMATE.start_main_~i~4 238), 120960#(<= ULTIMATE.start_main_~i~4 236), 120963#(<= ULTIMATE.start_main_~i~4 242), 120962#(<= ULTIMATE.start_main_~i~4 240), 120965#(<= ULTIMATE.start_main_~i~4 246), 120964#(<= ULTIMATE.start_main_~i~4 244), 120967#(<= ULTIMATE.start_main_~i~4 250), 120966#(<= ULTIMATE.start_main_~i~4 248), 120969#(<= ULTIMATE.start_main_~i~4 254), 120968#(<= ULTIMATE.start_main_~i~4 252), 120971#(<= ULTIMATE.start_main_~i~4 258), 120970#(<= ULTIMATE.start_main_~i~4 256), 120973#(<= ULTIMATE.start_main_~i~4 262), 120972#(<= ULTIMATE.start_main_~i~4 260), 120975#(<= ULTIMATE.start_main_~i~4 266), 120974#(<= ULTIMATE.start_main_~i~4 264), 120977#(<= ULTIMATE.start_main_~i~4 270), 120976#(<= ULTIMATE.start_main_~i~4 268), 120979#(<= ULTIMATE.start_main_~i~4 274), 120978#(<= ULTIMATE.start_main_~i~4 272), 120981#(<= ULTIMATE.start_main_~i~4 278), 120980#(<= ULTIMATE.start_main_~i~4 276), 120983#(<= ULTIMATE.start_main_~i~4 282), 120982#(<= ULTIMATE.start_main_~i~4 280), 120985#(<= ULTIMATE.start_main_~i~4 286), 120984#(<= ULTIMATE.start_main_~i~4 284), 120987#(<= ULTIMATE.start_main_~i~4 290), 120986#(<= ULTIMATE.start_main_~i~4 288), 120989#(<= ULTIMATE.start_main_~i~4 294), 120988#(<= ULTIMATE.start_main_~i~4 292), 120991#(<= ULTIMATE.start_main_~i~4 298), 120990#(<= ULTIMATE.start_main_~i~4 296), 120993#(<= ULTIMATE.start_main_~i~4 302), 120992#(<= ULTIMATE.start_main_~i~4 300), 120995#(<= ULTIMATE.start_main_~i~4 306), 120994#(<= ULTIMATE.start_main_~i~4 304), 120997#(<= ULTIMATE.start_main_~i~4 310), 120996#(<= ULTIMATE.start_main_~i~4 308), 120999#(<= ULTIMATE.start_main_~i~4 314), 120998#(<= ULTIMATE.start_main_~i~4 312), 121001#(<= ULTIMATE.start_main_~i~4 318), 121000#(<= ULTIMATE.start_main_~i~4 316), 121003#(<= ULTIMATE.start_main_~i~4 322), 121002#(<= ULTIMATE.start_main_~i~4 320), 121005#(<= ULTIMATE.start_main_~i~4 326), 121004#(<= ULTIMATE.start_main_~i~4 324), 121007#(<= ULTIMATE.start_main_~i~4 330), 121006#(<= ULTIMATE.start_main_~i~4 328), 121009#(<= ULTIMATE.start_main_~i~4 334), 121008#(<= ULTIMATE.start_main_~i~4 332), 121011#(<= ULTIMATE.start_main_~i~4 338), 121010#(<= ULTIMATE.start_main_~i~4 336), 121013#(<= ULTIMATE.start_main_~i~4 342), 121012#(<= ULTIMATE.start_main_~i~4 340), 121015#(<= ULTIMATE.start_main_~i~4 346), 121014#(<= ULTIMATE.start_main_~i~4 344), 121017#(<= ULTIMATE.start_main_~i~4 350), 121016#(<= ULTIMATE.start_main_~i~4 348), 121019#(<= ULTIMATE.start_main_~i~4 354), 121018#(<= ULTIMATE.start_main_~i~4 352), 121021#(<= ULTIMATE.start_main_~i~4 358), 121020#(<= ULTIMATE.start_main_~i~4 356), 121023#(<= ULTIMATE.start_main_~i~4 362), 121022#(<= ULTIMATE.start_main_~i~4 360), 121025#(<= ULTIMATE.start_main_~i~4 366), 121024#(<= ULTIMATE.start_main_~i~4 364), 121027#(<= ULTIMATE.start_main_~i~4 370), 121026#(<= ULTIMATE.start_main_~i~4 368), 121029#(<= ULTIMATE.start_main_~i~4 374), 121028#(<= ULTIMATE.start_main_~i~4 372), 121031#(<= ULTIMATE.start_main_~i~4 378), 121030#(<= ULTIMATE.start_main_~i~4 376), 121033#(<= ULTIMATE.start_main_~i~4 382), 121032#(<= ULTIMATE.start_main_~i~4 380), 121035#(<= ULTIMATE.start_main_~i~4 386), 121034#(<= ULTIMATE.start_main_~i~4 384), 121037#(<= ULTIMATE.start_main_~i~4 390), 121036#(<= ULTIMATE.start_main_~i~4 388), 121039#(<= ULTIMATE.start_main_~i~4 394), 121038#(<= ULTIMATE.start_main_~i~4 392), 121041#(<= ULTIMATE.start_main_~i~4 398), 121040#(<= ULTIMATE.start_main_~i~4 396), 121043#(<= ULTIMATE.start_main_~i~4 402), 121042#(<= ULTIMATE.start_main_~i~4 400), 121045#(<= ULTIMATE.start_main_~i~4 406), 121044#(<= ULTIMATE.start_main_~i~4 404), 121047#(<= ULTIMATE.start_main_~i~4 410), 121046#(<= ULTIMATE.start_main_~i~4 408), 121049#(<= ULTIMATE.start_main_~i~4 414), 121048#(<= ULTIMATE.start_main_~i~4 412), 121051#(<= ULTIMATE.start_main_~i~4 418), 121050#(<= ULTIMATE.start_main_~i~4 416), 121053#(<= ULTIMATE.start_main_~i~4 422), 121052#(<= ULTIMATE.start_main_~i~4 420), 121055#(<= ULTIMATE.start_main_~i~4 426), 121054#(<= ULTIMATE.start_main_~i~4 424), 121057#(<= ULTIMATE.start_main_~i~4 430), 121056#(<= ULTIMATE.start_main_~i~4 428)] [2018-07-23 13:40:00,026 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 13:40:00,026 INFO L450 AbstractCegarLoop]: Interpolant automaton has 218 states [2018-07-23 13:40:00,029 INFO L132 InterpolantAutomaton]: Constructing interpolant automaton starting with 218 interpolants. [2018-07-23 13:40:00,030 INFO L133 InterpolantAutomaton]: CoverageRelationStatistics Valid=23653, Invalid=23653, Unknown=0, NotChecked=0, Total=47306 [2018-07-23 13:40:00,030 INFO L87 Difference]: Start difference. First operand 219 states and 219 transitions. Second operand 218 states. [2018-07-23 13:40:01,644 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2018-07-23 13:40:01,645 INFO L93 Difference]: Finished difference Result 222 states and 222 transitions. [2018-07-23 13:40:01,645 INFO L142 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 218 states. [2018-07-23 13:40:01,645 INFO L78 Accepts]: Start accepts. Automaton has 218 states. Word has length 218 [2018-07-23 13:40:01,645 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2018-07-23 13:40:01,645 INFO L225 Difference]: With dead ends: 222 [2018-07-23 13:40:01,645 INFO L226 Difference]: Without dead ends: 220 [2018-07-23 13:40:01,647 INFO L575 BasicCegarLoop]: 0 DeclaredPredicates, 217 GetRequests, 1 SyntacticMatches, 0 SemanticMatches, 216 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 0 ImplicationChecksByTransitivity, 1.0s TimeCoverageRelationStatistics Valid=23653, Invalid=23653, Unknown=0, NotChecked=0, Total=47306 [2018-07-23 13:40:01,647 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 220 states. [2018-07-23 13:40:01,649 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 220 to 220. [2018-07-23 13:40:01,649 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 220 states. [2018-07-23 13:40:01,649 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 220 states to 220 states and 220 transitions. [2018-07-23 13:40:01,649 INFO L78 Accepts]: Start accepts. Automaton has 220 states and 220 transitions. Word has length 218 [2018-07-23 13:40:01,650 INFO L84 Accepts]: Finished accepts. word is rejected. [2018-07-23 13:40:01,650 INFO L471 AbstractCegarLoop]: Abstraction has 220 states and 220 transitions. [2018-07-23 13:40:01,650 INFO L472 AbstractCegarLoop]: Interpolant automaton has 218 states. [2018-07-23 13:40:01,650 INFO L276 IsEmpty]: Start isEmpty. Operand 220 states and 220 transitions. [2018-07-23 13:40:01,650 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 220 [2018-07-23 13:40:01,650 INFO L349 BasicCegarLoop]: Found error trace [2018-07-23 13:40:01,650 INFO L357 BasicCegarLoop]: trace histogram [216, 1, 1, 1] [2018-07-23 13:40:01,650 INFO L414 AbstractCegarLoop]: === Iteration 217 === [ULTIMATE.startErr0AssertViolationASSERT]=== [2018-07-23 13:40:01,651 INFO L82 PathProgramCache]: Analyzing trace with hash -1400818751, now seen corresponding path program 216 times [2018-07-23 13:40:01,651 INFO L69 tionRefinementEngine]: Using refinement strategy FixedRefinementStrategy [2018-07-23 13:40:01,893 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-07-23 13:40:02,955 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 13:40:02,955 INFO L309 seRefinementStrategy]: Constructing automaton from 0 perfect and 1 imperfect interpolant sequences. [2018-07-23 13:40:02,955 INFO L324 seRefinementStrategy]: Number of different interpolants: perfect sequences [] imperfect sequences [218] total 218 [2018-07-23 13:40:02,956 INFO L142 lantAutomatonBuilder]: Constructing canonical interpolant automaton, with selfloop in false state [2018-07-23 13:40:02,956 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2018-07-23 13:40:02,956 INFO L185 omatonBuilderFactory]: Interpolants [121943#false, 121942#true, 121945#(<= ULTIMATE.start_main_~i~4 2), 121944#(<= ULTIMATE.start_main_~i~4 0), 121947#(<= ULTIMATE.start_main_~i~4 6), 121946#(<= ULTIMATE.start_main_~i~4 4), 121949#(<= ULTIMATE.start_main_~i~4 10), 121948#(<= ULTIMATE.start_main_~i~4 8), 121951#(<= ULTIMATE.start_main_~i~4 14), 121950#(<= ULTIMATE.start_main_~i~4 12), 121953#(<= ULTIMATE.start_main_~i~4 18), 121952#(<= ULTIMATE.start_main_~i~4 16), 121955#(<= ULTIMATE.start_main_~i~4 22), 121954#(<= ULTIMATE.start_main_~i~4 20), 121957#(<= ULTIMATE.start_main_~i~4 26), 121956#(<= ULTIMATE.start_main_~i~4 24), 121959#(<= ULTIMATE.start_main_~i~4 30), 121958#(<= ULTIMATE.start_main_~i~4 28), 121961#(<= ULTIMATE.start_main_~i~4 34), 121960#(<= ULTIMATE.start_main_~i~4 32), 121963#(<= ULTIMATE.start_main_~i~4 38), 121962#(<= ULTIMATE.start_main_~i~4 36), 121965#(<= ULTIMATE.start_main_~i~4 42), 121964#(<= ULTIMATE.start_main_~i~4 40), 121967#(<= ULTIMATE.start_main_~i~4 46), 121966#(<= ULTIMATE.start_main_~i~4 44), 121969#(<= ULTIMATE.start_main_~i~4 50), 121968#(<= ULTIMATE.start_main_~i~4 48), 121971#(<= ULTIMATE.start_main_~i~4 54), 121970#(<= ULTIMATE.start_main_~i~4 52), 121973#(<= ULTIMATE.start_main_~i~4 58), 121972#(<= ULTIMATE.start_main_~i~4 56), 121975#(<= ULTIMATE.start_main_~i~4 62), 121974#(<= ULTIMATE.start_main_~i~4 60), 121977#(<= ULTIMATE.start_main_~i~4 66), 121976#(<= ULTIMATE.start_main_~i~4 64), 121979#(<= ULTIMATE.start_main_~i~4 70), 121978#(<= ULTIMATE.start_main_~i~4 68), 121981#(<= ULTIMATE.start_main_~i~4 74), 121980#(<= ULTIMATE.start_main_~i~4 72), 121983#(<= ULTIMATE.start_main_~i~4 78), 121982#(<= ULTIMATE.start_main_~i~4 76), 121985#(<= ULTIMATE.start_main_~i~4 82), 121984#(<= ULTIMATE.start_main_~i~4 80), 121987#(<= ULTIMATE.start_main_~i~4 86), 121986#(<= ULTIMATE.start_main_~i~4 84), 121989#(<= ULTIMATE.start_main_~i~4 90), 121988#(<= ULTIMATE.start_main_~i~4 88), 121991#(<= ULTIMATE.start_main_~i~4 94), 121990#(<= ULTIMATE.start_main_~i~4 92), 121993#(<= ULTIMATE.start_main_~i~4 98), 121992#(<= ULTIMATE.start_main_~i~4 96), 121995#(<= ULTIMATE.start_main_~i~4 102), 121994#(<= ULTIMATE.start_main_~i~4 100), 121997#(<= ULTIMATE.start_main_~i~4 106), 121996#(<= ULTIMATE.start_main_~i~4 104), 121999#(<= ULTIMATE.start_main_~i~4 110), 121998#(<= ULTIMATE.start_main_~i~4 108), 122001#(<= ULTIMATE.start_main_~i~4 114), 122000#(<= ULTIMATE.start_main_~i~4 112), 122003#(<= ULTIMATE.start_main_~i~4 118), 122002#(<= ULTIMATE.start_main_~i~4 116), 122005#(<= ULTIMATE.start_main_~i~4 122), 122004#(<= ULTIMATE.start_main_~i~4 120), 122007#(<= ULTIMATE.start_main_~i~4 126), 122006#(<= ULTIMATE.start_main_~i~4 124), 122009#(<= ULTIMATE.start_main_~i~4 130), 122008#(<= ULTIMATE.start_main_~i~4 128), 122011#(<= ULTIMATE.start_main_~i~4 134), 122010#(<= ULTIMATE.start_main_~i~4 132), 122013#(<= ULTIMATE.start_main_~i~4 138), 122012#(<= ULTIMATE.start_main_~i~4 136), 122015#(<= ULTIMATE.start_main_~i~4 142), 122014#(<= ULTIMATE.start_main_~i~4 140), 122017#(<= ULTIMATE.start_main_~i~4 146), 122016#(<= ULTIMATE.start_main_~i~4 144), 122019#(<= ULTIMATE.start_main_~i~4 150), 122018#(<= ULTIMATE.start_main_~i~4 148), 122021#(<= ULTIMATE.start_main_~i~4 154), 122020#(<= ULTIMATE.start_main_~i~4 152), 122023#(<= ULTIMATE.start_main_~i~4 158), 122022#(<= ULTIMATE.start_main_~i~4 156), 122025#(<= ULTIMATE.start_main_~i~4 162), 122024#(<= ULTIMATE.start_main_~i~4 160), 122027#(<= ULTIMATE.start_main_~i~4 166), 122026#(<= ULTIMATE.start_main_~i~4 164), 122029#(<= ULTIMATE.start_main_~i~4 170), 122028#(<= ULTIMATE.start_main_~i~4 168), 122031#(<= ULTIMATE.start_main_~i~4 174), 122030#(<= ULTIMATE.start_main_~i~4 172), 122033#(<= ULTIMATE.start_main_~i~4 178), 122032#(<= ULTIMATE.start_main_~i~4 176), 122035#(<= ULTIMATE.start_main_~i~4 182), 122034#(<= ULTIMATE.start_main_~i~4 180), 122037#(<= ULTIMATE.start_main_~i~4 186), 122036#(<= ULTIMATE.start_main_~i~4 184), 122039#(<= ULTIMATE.start_main_~i~4 190), 122038#(<= ULTIMATE.start_main_~i~4 188), 122041#(<= ULTIMATE.start_main_~i~4 194), 122040#(<= ULTIMATE.start_main_~i~4 192), 122043#(<= ULTIMATE.start_main_~i~4 198), 122042#(<= ULTIMATE.start_main_~i~4 196), 122045#(<= ULTIMATE.start_main_~i~4 202), 122044#(<= ULTIMATE.start_main_~i~4 200), 122047#(<= ULTIMATE.start_main_~i~4 206), 122046#(<= ULTIMATE.start_main_~i~4 204), 122049#(<= ULTIMATE.start_main_~i~4 210), 122048#(<= ULTIMATE.start_main_~i~4 208), 122051#(<= ULTIMATE.start_main_~i~4 214), 122050#(<= ULTIMATE.start_main_~i~4 212), 122053#(<= ULTIMATE.start_main_~i~4 218), 122052#(<= ULTIMATE.start_main_~i~4 216), 122055#(<= ULTIMATE.start_main_~i~4 222), 122054#(<= ULTIMATE.start_main_~i~4 220), 122057#(<= ULTIMATE.start_main_~i~4 226), 122056#(<= ULTIMATE.start_main_~i~4 224), 122059#(<= ULTIMATE.start_main_~i~4 230), 122058#(<= ULTIMATE.start_main_~i~4 228), 122061#(<= ULTIMATE.start_main_~i~4 234), 122060#(<= ULTIMATE.start_main_~i~4 232), 122063#(<= ULTIMATE.start_main_~i~4 238), 122062#(<= ULTIMATE.start_main_~i~4 236), 122065#(<= ULTIMATE.start_main_~i~4 242), 122064#(<= ULTIMATE.start_main_~i~4 240), 122067#(<= ULTIMATE.start_main_~i~4 246), 122066#(<= ULTIMATE.start_main_~i~4 244), 122069#(<= ULTIMATE.start_main_~i~4 250), 122068#(<= ULTIMATE.start_main_~i~4 248), 122071#(<= ULTIMATE.start_main_~i~4 254), 122070#(<= ULTIMATE.start_main_~i~4 252), 122073#(<= ULTIMATE.start_main_~i~4 258), 122072#(<= ULTIMATE.start_main_~i~4 256), 122075#(<= ULTIMATE.start_main_~i~4 262), 122074#(<= ULTIMATE.start_main_~i~4 260), 122077#(<= ULTIMATE.start_main_~i~4 266), 122076#(<= ULTIMATE.start_main_~i~4 264), 122079#(<= ULTIMATE.start_main_~i~4 270), 122078#(<= ULTIMATE.start_main_~i~4 268), 122081#(<= ULTIMATE.start_main_~i~4 274), 122080#(<= ULTIMATE.start_main_~i~4 272), 122083#(<= ULTIMATE.start_main_~i~4 278), 122082#(<= ULTIMATE.start_main_~i~4 276), 122085#(<= ULTIMATE.start_main_~i~4 282), 122084#(<= ULTIMATE.start_main_~i~4 280), 122087#(<= ULTIMATE.start_main_~i~4 286), 122086#(<= ULTIMATE.start_main_~i~4 284), 122089#(<= ULTIMATE.start_main_~i~4 290), 122088#(<= ULTIMATE.start_main_~i~4 288), 122091#(<= ULTIMATE.start_main_~i~4 294), 122090#(<= ULTIMATE.start_main_~i~4 292), 122093#(<= ULTIMATE.start_main_~i~4 298), 122092#(<= ULTIMATE.start_main_~i~4 296), 122095#(<= ULTIMATE.start_main_~i~4 302), 122094#(<= ULTIMATE.start_main_~i~4 300), 122097#(<= ULTIMATE.start_main_~i~4 306), 122096#(<= ULTIMATE.start_main_~i~4 304), 122099#(<= ULTIMATE.start_main_~i~4 310), 122098#(<= ULTIMATE.start_main_~i~4 308), 122101#(<= ULTIMATE.start_main_~i~4 314), 122100#(<= ULTIMATE.start_main_~i~4 312), 122103#(<= ULTIMATE.start_main_~i~4 318), 122102#(<= ULTIMATE.start_main_~i~4 316), 122105#(<= ULTIMATE.start_main_~i~4 322), 122104#(<= ULTIMATE.start_main_~i~4 320), 122107#(<= ULTIMATE.start_main_~i~4 326), 122106#(<= ULTIMATE.start_main_~i~4 324), 122109#(<= ULTIMATE.start_main_~i~4 330), 122108#(<= ULTIMATE.start_main_~i~4 328), 122111#(<= ULTIMATE.start_main_~i~4 334), 122110#(<= ULTIMATE.start_main_~i~4 332), 122113#(<= ULTIMATE.start_main_~i~4 338), 122112#(<= ULTIMATE.start_main_~i~4 336), 122115#(<= ULTIMATE.start_main_~i~4 342), 122114#(<= ULTIMATE.start_main_~i~4 340), 122117#(<= ULTIMATE.start_main_~i~4 346), 122116#(<= ULTIMATE.start_main_~i~4 344), 122119#(<= ULTIMATE.start_main_~i~4 350), 122118#(<= ULTIMATE.start_main_~i~4 348), 122121#(<= ULTIMATE.start_main_~i~4 354), 122120#(<= ULTIMATE.start_main_~i~4 352), 122123#(<= ULTIMATE.start_main_~i~4 358), 122122#(<= ULTIMATE.start_main_~i~4 356), 122125#(<= ULTIMATE.start_main_~i~4 362), 122124#(<= ULTIMATE.start_main_~i~4 360), 122127#(<= ULTIMATE.start_main_~i~4 366), 122126#(<= ULTIMATE.start_main_~i~4 364), 122129#(<= ULTIMATE.start_main_~i~4 370), 122128#(<= ULTIMATE.start_main_~i~4 368), 122131#(<= ULTIMATE.start_main_~i~4 374), 122130#(<= ULTIMATE.start_main_~i~4 372), 122133#(<= ULTIMATE.start_main_~i~4 378), 122132#(<= ULTIMATE.start_main_~i~4 376), 122135#(<= ULTIMATE.start_main_~i~4 382), 122134#(<= ULTIMATE.start_main_~i~4 380), 122137#(<= ULTIMATE.start_main_~i~4 386), 122136#(<= ULTIMATE.start_main_~i~4 384), 122139#(<= ULTIMATE.start_main_~i~4 390), 122138#(<= ULTIMATE.start_main_~i~4 388), 122141#(<= ULTIMATE.start_main_~i~4 394), 122140#(<= ULTIMATE.start_main_~i~4 392), 122143#(<= ULTIMATE.start_main_~i~4 398), 122142#(<= ULTIMATE.start_main_~i~4 396), 122145#(<= ULTIMATE.start_main_~i~4 402), 122144#(<= ULTIMATE.start_main_~i~4 400), 122147#(<= ULTIMATE.start_main_~i~4 406), 122146#(<= ULTIMATE.start_main_~i~4 404), 122149#(<= ULTIMATE.start_main_~i~4 410), 122148#(<= ULTIMATE.start_main_~i~4 408), 122151#(<= ULTIMATE.start_main_~i~4 414), 122150#(<= ULTIMATE.start_main_~i~4 412), 122153#(<= ULTIMATE.start_main_~i~4 418), 122152#(<= ULTIMATE.start_main_~i~4 416), 122155#(<= ULTIMATE.start_main_~i~4 422), 122154#(<= ULTIMATE.start_main_~i~4 420), 122157#(<= ULTIMATE.start_main_~i~4 426), 122156#(<= ULTIMATE.start_main_~i~4 424), 122159#(<= ULTIMATE.start_main_~i~4 430), 122158#(<= ULTIMATE.start_main_~i~4 428), 122160#(<= ULTIMATE.start_main_~i~4 432)] [2018-07-23 13:40:02,957 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 13:40:02,957 INFO L450 AbstractCegarLoop]: Interpolant automaton has 219 states [2018-07-23 13:40:02,961 INFO L132 InterpolantAutomaton]: Constructing interpolant automaton starting with 219 interpolants. [2018-07-23 13:40:02,962 INFO L133 InterpolantAutomaton]: CoverageRelationStatistics Valid=23871, Invalid=23871, Unknown=0, NotChecked=0, Total=47742 [2018-07-23 13:40:02,963 INFO L87 Difference]: Start difference. First operand 220 states and 220 transitions. Second operand 219 states. [2018-07-23 13:40:03,999 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2018-07-23 13:40:03,999 INFO L93 Difference]: Finished difference Result 223 states and 223 transitions. [2018-07-23 13:40:04,000 INFO L142 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 219 states. [2018-07-23 13:40:04,000 INFO L78 Accepts]: Start accepts. Automaton has 219 states. Word has length 219 [2018-07-23 13:40:04,000 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2018-07-23 13:40:04,000 INFO L225 Difference]: With dead ends: 223 [2018-07-23 13:40:04,000 INFO L226 Difference]: Without dead ends: 221 [2018-07-23 13:40:04,004 INFO L575 BasicCegarLoop]: 0 DeclaredPredicates, 218 GetRequests, 1 SyntacticMatches, 0 SemanticMatches, 217 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 0 ImplicationChecksByTransitivity, 0.9s TimeCoverageRelationStatistics Valid=23871, Invalid=23871, Unknown=0, NotChecked=0, Total=47742 [2018-07-23 13:40:04,004 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 221 states. [2018-07-23 13:40:04,007 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 221 to 221. [2018-07-23 13:40:04,007 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 221 states. [2018-07-23 13:40:04,007 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 221 states to 221 states and 221 transitions. [2018-07-23 13:40:04,007 INFO L78 Accepts]: Start accepts. Automaton has 221 states and 221 transitions. Word has length 219 [2018-07-23 13:40:04,007 INFO L84 Accepts]: Finished accepts. word is rejected. [2018-07-23 13:40:04,008 INFO L471 AbstractCegarLoop]: Abstraction has 221 states and 221 transitions. [2018-07-23 13:40:04,008 INFO L472 AbstractCegarLoop]: Interpolant automaton has 219 states. [2018-07-23 13:40:04,008 INFO L276 IsEmpty]: Start isEmpty. Operand 221 states and 221 transitions. [2018-07-23 13:40:04,008 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 221 [2018-07-23 13:40:04,009 INFO L349 BasicCegarLoop]: Found error trace [2018-07-23 13:40:04,009 INFO L357 BasicCegarLoop]: trace histogram [217, 1, 1, 1] [2018-07-23 13:40:04,009 INFO L414 AbstractCegarLoop]: === Iteration 218 === [ULTIMATE.startErr0AssertViolationASSERT]=== [2018-07-23 13:40:04,009 INFO L82 PathProgramCache]: Analyzing trace with hash -475710296, now seen corresponding path program 217 times [2018-07-23 13:40:04,009 INFO L69 tionRefinementEngine]: Using refinement strategy FixedRefinementStrategy [2018-07-23 13:40:04,209 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-07-23 13:40:05,268 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 13:40:05,269 INFO L309 seRefinementStrategy]: Constructing automaton from 0 perfect and 1 imperfect interpolant sequences. [2018-07-23 13:40:05,269 INFO L324 seRefinementStrategy]: Number of different interpolants: perfect sequences [] imperfect sequences [219] total 219 [2018-07-23 13:40:05,269 INFO L142 lantAutomatonBuilder]: Constructing canonical interpolant automaton, with selfloop in false state [2018-07-23 13:40:05,269 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2018-07-23 13:40:05,269 INFO L185 omatonBuilderFactory]: Interpolants [123049#true, 123051#(<= ULTIMATE.start_main_~i~4 0), 123050#false, 123053#(<= ULTIMATE.start_main_~i~4 4), 123052#(<= ULTIMATE.start_main_~i~4 2), 123055#(<= ULTIMATE.start_main_~i~4 8), 123054#(<= ULTIMATE.start_main_~i~4 6), 123057#(<= ULTIMATE.start_main_~i~4 12), 123056#(<= ULTIMATE.start_main_~i~4 10), 123059#(<= ULTIMATE.start_main_~i~4 16), 123058#(<= ULTIMATE.start_main_~i~4 14), 123061#(<= ULTIMATE.start_main_~i~4 20), 123060#(<= ULTIMATE.start_main_~i~4 18), 123063#(<= ULTIMATE.start_main_~i~4 24), 123062#(<= ULTIMATE.start_main_~i~4 22), 123065#(<= ULTIMATE.start_main_~i~4 28), 123064#(<= ULTIMATE.start_main_~i~4 26), 123067#(<= ULTIMATE.start_main_~i~4 32), 123066#(<= ULTIMATE.start_main_~i~4 30), 123069#(<= ULTIMATE.start_main_~i~4 36), 123068#(<= ULTIMATE.start_main_~i~4 34), 123071#(<= ULTIMATE.start_main_~i~4 40), 123070#(<= ULTIMATE.start_main_~i~4 38), 123073#(<= ULTIMATE.start_main_~i~4 44), 123072#(<= ULTIMATE.start_main_~i~4 42), 123075#(<= ULTIMATE.start_main_~i~4 48), 123074#(<= ULTIMATE.start_main_~i~4 46), 123077#(<= ULTIMATE.start_main_~i~4 52), 123076#(<= ULTIMATE.start_main_~i~4 50), 123079#(<= ULTIMATE.start_main_~i~4 56), 123078#(<= ULTIMATE.start_main_~i~4 54), 123081#(<= ULTIMATE.start_main_~i~4 60), 123080#(<= ULTIMATE.start_main_~i~4 58), 123083#(<= ULTIMATE.start_main_~i~4 64), 123082#(<= ULTIMATE.start_main_~i~4 62), 123085#(<= ULTIMATE.start_main_~i~4 68), 123084#(<= ULTIMATE.start_main_~i~4 66), 123087#(<= ULTIMATE.start_main_~i~4 72), 123086#(<= ULTIMATE.start_main_~i~4 70), 123089#(<= ULTIMATE.start_main_~i~4 76), 123088#(<= ULTIMATE.start_main_~i~4 74), 123091#(<= ULTIMATE.start_main_~i~4 80), 123090#(<= ULTIMATE.start_main_~i~4 78), 123093#(<= ULTIMATE.start_main_~i~4 84), 123092#(<= ULTIMATE.start_main_~i~4 82), 123095#(<= ULTIMATE.start_main_~i~4 88), 123094#(<= ULTIMATE.start_main_~i~4 86), 123097#(<= ULTIMATE.start_main_~i~4 92), 123096#(<= ULTIMATE.start_main_~i~4 90), 123099#(<= ULTIMATE.start_main_~i~4 96), 123098#(<= ULTIMATE.start_main_~i~4 94), 123101#(<= ULTIMATE.start_main_~i~4 100), 123100#(<= ULTIMATE.start_main_~i~4 98), 123103#(<= ULTIMATE.start_main_~i~4 104), 123102#(<= ULTIMATE.start_main_~i~4 102), 123105#(<= ULTIMATE.start_main_~i~4 108), 123104#(<= ULTIMATE.start_main_~i~4 106), 123107#(<= ULTIMATE.start_main_~i~4 112), 123106#(<= ULTIMATE.start_main_~i~4 110), 123109#(<= ULTIMATE.start_main_~i~4 116), 123108#(<= ULTIMATE.start_main_~i~4 114), 123111#(<= ULTIMATE.start_main_~i~4 120), 123110#(<= ULTIMATE.start_main_~i~4 118), 123113#(<= ULTIMATE.start_main_~i~4 124), 123112#(<= ULTIMATE.start_main_~i~4 122), 123115#(<= ULTIMATE.start_main_~i~4 128), 123114#(<= ULTIMATE.start_main_~i~4 126), 123117#(<= ULTIMATE.start_main_~i~4 132), 123116#(<= ULTIMATE.start_main_~i~4 130), 123119#(<= ULTIMATE.start_main_~i~4 136), 123118#(<= ULTIMATE.start_main_~i~4 134), 123121#(<= ULTIMATE.start_main_~i~4 140), 123120#(<= ULTIMATE.start_main_~i~4 138), 123123#(<= ULTIMATE.start_main_~i~4 144), 123122#(<= ULTIMATE.start_main_~i~4 142), 123125#(<= ULTIMATE.start_main_~i~4 148), 123124#(<= ULTIMATE.start_main_~i~4 146), 123127#(<= ULTIMATE.start_main_~i~4 152), 123126#(<= ULTIMATE.start_main_~i~4 150), 123129#(<= ULTIMATE.start_main_~i~4 156), 123128#(<= ULTIMATE.start_main_~i~4 154), 123131#(<= ULTIMATE.start_main_~i~4 160), 123130#(<= ULTIMATE.start_main_~i~4 158), 123133#(<= ULTIMATE.start_main_~i~4 164), 123132#(<= ULTIMATE.start_main_~i~4 162), 123135#(<= ULTIMATE.start_main_~i~4 168), 123134#(<= ULTIMATE.start_main_~i~4 166), 123137#(<= ULTIMATE.start_main_~i~4 172), 123136#(<= ULTIMATE.start_main_~i~4 170), 123139#(<= ULTIMATE.start_main_~i~4 176), 123138#(<= ULTIMATE.start_main_~i~4 174), 123141#(<= ULTIMATE.start_main_~i~4 180), 123140#(<= ULTIMATE.start_main_~i~4 178), 123143#(<= ULTIMATE.start_main_~i~4 184), 123142#(<= ULTIMATE.start_main_~i~4 182), 123145#(<= ULTIMATE.start_main_~i~4 188), 123144#(<= ULTIMATE.start_main_~i~4 186), 123147#(<= ULTIMATE.start_main_~i~4 192), 123146#(<= ULTIMATE.start_main_~i~4 190), 123149#(<= ULTIMATE.start_main_~i~4 196), 123148#(<= ULTIMATE.start_main_~i~4 194), 123151#(<= ULTIMATE.start_main_~i~4 200), 123150#(<= ULTIMATE.start_main_~i~4 198), 123153#(<= ULTIMATE.start_main_~i~4 204), 123152#(<= ULTIMATE.start_main_~i~4 202), 123155#(<= ULTIMATE.start_main_~i~4 208), 123154#(<= ULTIMATE.start_main_~i~4 206), 123157#(<= ULTIMATE.start_main_~i~4 212), 123156#(<= ULTIMATE.start_main_~i~4 210), 123159#(<= ULTIMATE.start_main_~i~4 216), 123158#(<= ULTIMATE.start_main_~i~4 214), 123161#(<= ULTIMATE.start_main_~i~4 220), 123160#(<= ULTIMATE.start_main_~i~4 218), 123163#(<= ULTIMATE.start_main_~i~4 224), 123162#(<= ULTIMATE.start_main_~i~4 222), 123165#(<= ULTIMATE.start_main_~i~4 228), 123164#(<= ULTIMATE.start_main_~i~4 226), 123167#(<= ULTIMATE.start_main_~i~4 232), 123166#(<= ULTIMATE.start_main_~i~4 230), 123169#(<= ULTIMATE.start_main_~i~4 236), 123168#(<= ULTIMATE.start_main_~i~4 234), 123171#(<= ULTIMATE.start_main_~i~4 240), 123170#(<= ULTIMATE.start_main_~i~4 238), 123173#(<= ULTIMATE.start_main_~i~4 244), 123172#(<= ULTIMATE.start_main_~i~4 242), 123175#(<= ULTIMATE.start_main_~i~4 248), 123174#(<= ULTIMATE.start_main_~i~4 246), 123177#(<= ULTIMATE.start_main_~i~4 252), 123176#(<= ULTIMATE.start_main_~i~4 250), 123179#(<= ULTIMATE.start_main_~i~4 256), 123178#(<= ULTIMATE.start_main_~i~4 254), 123181#(<= ULTIMATE.start_main_~i~4 260), 123180#(<= ULTIMATE.start_main_~i~4 258), 123183#(<= ULTIMATE.start_main_~i~4 264), 123182#(<= ULTIMATE.start_main_~i~4 262), 123185#(<= ULTIMATE.start_main_~i~4 268), 123184#(<= ULTIMATE.start_main_~i~4 266), 123187#(<= ULTIMATE.start_main_~i~4 272), 123186#(<= ULTIMATE.start_main_~i~4 270), 123189#(<= ULTIMATE.start_main_~i~4 276), 123188#(<= ULTIMATE.start_main_~i~4 274), 123191#(<= ULTIMATE.start_main_~i~4 280), 123190#(<= ULTIMATE.start_main_~i~4 278), 123193#(<= ULTIMATE.start_main_~i~4 284), 123192#(<= ULTIMATE.start_main_~i~4 282), 123195#(<= ULTIMATE.start_main_~i~4 288), 123194#(<= ULTIMATE.start_main_~i~4 286), 123197#(<= ULTIMATE.start_main_~i~4 292), 123196#(<= ULTIMATE.start_main_~i~4 290), 123199#(<= ULTIMATE.start_main_~i~4 296), 123198#(<= ULTIMATE.start_main_~i~4 294), 123201#(<= ULTIMATE.start_main_~i~4 300), 123200#(<= ULTIMATE.start_main_~i~4 298), 123203#(<= ULTIMATE.start_main_~i~4 304), 123202#(<= ULTIMATE.start_main_~i~4 302), 123205#(<= ULTIMATE.start_main_~i~4 308), 123204#(<= ULTIMATE.start_main_~i~4 306), 123207#(<= ULTIMATE.start_main_~i~4 312), 123206#(<= ULTIMATE.start_main_~i~4 310), 123209#(<= ULTIMATE.start_main_~i~4 316), 123208#(<= ULTIMATE.start_main_~i~4 314), 123211#(<= ULTIMATE.start_main_~i~4 320), 123210#(<= ULTIMATE.start_main_~i~4 318), 123213#(<= ULTIMATE.start_main_~i~4 324), 123212#(<= ULTIMATE.start_main_~i~4 322), 123215#(<= ULTIMATE.start_main_~i~4 328), 123214#(<= ULTIMATE.start_main_~i~4 326), 123217#(<= ULTIMATE.start_main_~i~4 332), 123216#(<= ULTIMATE.start_main_~i~4 330), 123219#(<= ULTIMATE.start_main_~i~4 336), 123218#(<= ULTIMATE.start_main_~i~4 334), 123221#(<= ULTIMATE.start_main_~i~4 340), 123220#(<= ULTIMATE.start_main_~i~4 338), 123223#(<= ULTIMATE.start_main_~i~4 344), 123222#(<= ULTIMATE.start_main_~i~4 342), 123225#(<= ULTIMATE.start_main_~i~4 348), 123224#(<= ULTIMATE.start_main_~i~4 346), 123227#(<= ULTIMATE.start_main_~i~4 352), 123226#(<= ULTIMATE.start_main_~i~4 350), 123229#(<= ULTIMATE.start_main_~i~4 356), 123228#(<= ULTIMATE.start_main_~i~4 354), 123231#(<= ULTIMATE.start_main_~i~4 360), 123230#(<= ULTIMATE.start_main_~i~4 358), 123233#(<= ULTIMATE.start_main_~i~4 364), 123232#(<= ULTIMATE.start_main_~i~4 362), 123235#(<= ULTIMATE.start_main_~i~4 368), 123234#(<= ULTIMATE.start_main_~i~4 366), 123237#(<= ULTIMATE.start_main_~i~4 372), 123236#(<= ULTIMATE.start_main_~i~4 370), 123239#(<= ULTIMATE.start_main_~i~4 376), 123238#(<= ULTIMATE.start_main_~i~4 374), 123241#(<= ULTIMATE.start_main_~i~4 380), 123240#(<= ULTIMATE.start_main_~i~4 378), 123243#(<= ULTIMATE.start_main_~i~4 384), 123242#(<= ULTIMATE.start_main_~i~4 382), 123245#(<= ULTIMATE.start_main_~i~4 388), 123244#(<= ULTIMATE.start_main_~i~4 386), 123247#(<= ULTIMATE.start_main_~i~4 392), 123246#(<= ULTIMATE.start_main_~i~4 390), 123249#(<= ULTIMATE.start_main_~i~4 396), 123248#(<= ULTIMATE.start_main_~i~4 394), 123251#(<= ULTIMATE.start_main_~i~4 400), 123250#(<= ULTIMATE.start_main_~i~4 398), 123253#(<= ULTIMATE.start_main_~i~4 404), 123252#(<= ULTIMATE.start_main_~i~4 402), 123255#(<= ULTIMATE.start_main_~i~4 408), 123254#(<= ULTIMATE.start_main_~i~4 406), 123257#(<= ULTIMATE.start_main_~i~4 412), 123256#(<= ULTIMATE.start_main_~i~4 410), 123259#(<= ULTIMATE.start_main_~i~4 416), 123258#(<= ULTIMATE.start_main_~i~4 414), 123261#(<= ULTIMATE.start_main_~i~4 420), 123260#(<= ULTIMATE.start_main_~i~4 418), 123263#(<= ULTIMATE.start_main_~i~4 424), 123262#(<= ULTIMATE.start_main_~i~4 422), 123265#(<= ULTIMATE.start_main_~i~4 428), 123264#(<= ULTIMATE.start_main_~i~4 426), 123267#(<= ULTIMATE.start_main_~i~4 432), 123266#(<= ULTIMATE.start_main_~i~4 430), 123268#(<= ULTIMATE.start_main_~i~4 434)] [2018-07-23 13:40:05,270 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 13:40:05,270 INFO L450 AbstractCegarLoop]: Interpolant automaton has 220 states [2018-07-23 13:40:05,273 INFO L132 InterpolantAutomaton]: Constructing interpolant automaton starting with 220 interpolants. [2018-07-23 13:40:05,275 INFO L133 InterpolantAutomaton]: CoverageRelationStatistics Valid=24090, Invalid=24090, Unknown=0, NotChecked=0, Total=48180 [2018-07-23 13:40:05,275 INFO L87 Difference]: Start difference. First operand 221 states and 221 transitions. Second operand 220 states. [2018-07-23 13:40:06,084 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2018-07-23 13:40:06,084 INFO L93 Difference]: Finished difference Result 224 states and 224 transitions. [2018-07-23 13:40:06,084 INFO L142 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 220 states. [2018-07-23 13:40:06,084 INFO L78 Accepts]: Start accepts. Automaton has 220 states. Word has length 220 [2018-07-23 13:40:06,084 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2018-07-23 13:40:06,085 INFO L225 Difference]: With dead ends: 224 [2018-07-23 13:40:06,085 INFO L226 Difference]: Without dead ends: 222 [2018-07-23 13:40:06,087 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 13:40:06,087 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 222 states. [2018-07-23 13:40:06,089 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 222 to 222. [2018-07-23 13:40:06,089 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 222 states. [2018-07-23 13:40:06,089 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 222 states to 222 states and 222 transitions. [2018-07-23 13:40:06,089 INFO L78 Accepts]: Start accepts. Automaton has 222 states and 222 transitions. Word has length 220 [2018-07-23 13:40:06,089 INFO L84 Accepts]: Finished accepts. word is rejected. [2018-07-23 13:40:06,089 INFO L471 AbstractCegarLoop]: Abstraction has 222 states and 222 transitions. [2018-07-23 13:40:06,089 INFO L472 AbstractCegarLoop]: Interpolant automaton has 220 states. [2018-07-23 13:40:06,089 INFO L276 IsEmpty]: Start isEmpty. Operand 222 states and 222 transitions. [2018-07-23 13:40:06,090 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 222 [2018-07-23 13:40:06,090 INFO L349 BasicCegarLoop]: Found error trace [2018-07-23 13:40:06,090 INFO L357 BasicCegarLoop]: trace histogram [218, 1, 1, 1] [2018-07-23 13:40:06,090 INFO L414 AbstractCegarLoop]: === Iteration 219 === [ULTIMATE.startErr0AssertViolationASSERT]=== [2018-07-23 13:40:06,090 INFO L82 PathProgramCache]: Analyzing trace with hash -1862119263, now seen corresponding path program 218 times [2018-07-23 13:40:06,090 INFO L69 tionRefinementEngine]: Using refinement strategy FixedRefinementStrategy [2018-07-23 13:40:06,340 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-07-23 13:40:07,405 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 13:40:07,405 INFO L309 seRefinementStrategy]: Constructing automaton from 0 perfect and 1 imperfect interpolant sequences. [2018-07-23 13:40:07,405 INFO L324 seRefinementStrategy]: Number of different interpolants: perfect sequences [] imperfect sequences [220] total 220 [2018-07-23 13:40:07,406 INFO L142 lantAutomatonBuilder]: Constructing canonical interpolant automaton, with selfloop in false state [2018-07-23 13:40:07,406 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2018-07-23 13:40:07,406 INFO L185 omatonBuilderFactory]: Interpolants [124161#true, 124163#(<= ULTIMATE.start_main_~i~4 0), 124162#false, 124165#(<= ULTIMATE.start_main_~i~4 4), 124164#(<= ULTIMATE.start_main_~i~4 2), 124167#(<= ULTIMATE.start_main_~i~4 8), 124166#(<= ULTIMATE.start_main_~i~4 6), 124169#(<= ULTIMATE.start_main_~i~4 12), 124168#(<= ULTIMATE.start_main_~i~4 10), 124171#(<= ULTIMATE.start_main_~i~4 16), 124170#(<= ULTIMATE.start_main_~i~4 14), 124173#(<= ULTIMATE.start_main_~i~4 20), 124172#(<= ULTIMATE.start_main_~i~4 18), 124175#(<= ULTIMATE.start_main_~i~4 24), 124174#(<= ULTIMATE.start_main_~i~4 22), 124177#(<= ULTIMATE.start_main_~i~4 28), 124176#(<= ULTIMATE.start_main_~i~4 26), 124179#(<= ULTIMATE.start_main_~i~4 32), 124178#(<= ULTIMATE.start_main_~i~4 30), 124181#(<= ULTIMATE.start_main_~i~4 36), 124180#(<= ULTIMATE.start_main_~i~4 34), 124183#(<= ULTIMATE.start_main_~i~4 40), 124182#(<= ULTIMATE.start_main_~i~4 38), 124185#(<= ULTIMATE.start_main_~i~4 44), 124184#(<= ULTIMATE.start_main_~i~4 42), 124187#(<= ULTIMATE.start_main_~i~4 48), 124186#(<= ULTIMATE.start_main_~i~4 46), 124189#(<= ULTIMATE.start_main_~i~4 52), 124188#(<= ULTIMATE.start_main_~i~4 50), 124191#(<= ULTIMATE.start_main_~i~4 56), 124190#(<= ULTIMATE.start_main_~i~4 54), 124193#(<= ULTIMATE.start_main_~i~4 60), 124192#(<= ULTIMATE.start_main_~i~4 58), 124195#(<= ULTIMATE.start_main_~i~4 64), 124194#(<= ULTIMATE.start_main_~i~4 62), 124197#(<= ULTIMATE.start_main_~i~4 68), 124196#(<= ULTIMATE.start_main_~i~4 66), 124199#(<= ULTIMATE.start_main_~i~4 72), 124198#(<= ULTIMATE.start_main_~i~4 70), 124201#(<= ULTIMATE.start_main_~i~4 76), 124200#(<= ULTIMATE.start_main_~i~4 74), 124203#(<= ULTIMATE.start_main_~i~4 80), 124202#(<= ULTIMATE.start_main_~i~4 78), 124205#(<= ULTIMATE.start_main_~i~4 84), 124204#(<= ULTIMATE.start_main_~i~4 82), 124207#(<= ULTIMATE.start_main_~i~4 88), 124206#(<= ULTIMATE.start_main_~i~4 86), 124209#(<= ULTIMATE.start_main_~i~4 92), 124208#(<= ULTIMATE.start_main_~i~4 90), 124211#(<= ULTIMATE.start_main_~i~4 96), 124210#(<= ULTIMATE.start_main_~i~4 94), 124213#(<= ULTIMATE.start_main_~i~4 100), 124212#(<= ULTIMATE.start_main_~i~4 98), 124215#(<= ULTIMATE.start_main_~i~4 104), 124214#(<= ULTIMATE.start_main_~i~4 102), 124217#(<= ULTIMATE.start_main_~i~4 108), 124216#(<= ULTIMATE.start_main_~i~4 106), 124219#(<= ULTIMATE.start_main_~i~4 112), 124218#(<= ULTIMATE.start_main_~i~4 110), 124221#(<= ULTIMATE.start_main_~i~4 116), 124220#(<= ULTIMATE.start_main_~i~4 114), 124223#(<= ULTIMATE.start_main_~i~4 120), 124222#(<= ULTIMATE.start_main_~i~4 118), 124225#(<= ULTIMATE.start_main_~i~4 124), 124224#(<= ULTIMATE.start_main_~i~4 122), 124227#(<= ULTIMATE.start_main_~i~4 128), 124226#(<= ULTIMATE.start_main_~i~4 126), 124229#(<= ULTIMATE.start_main_~i~4 132), 124228#(<= ULTIMATE.start_main_~i~4 130), 124231#(<= ULTIMATE.start_main_~i~4 136), 124230#(<= ULTIMATE.start_main_~i~4 134), 124233#(<= ULTIMATE.start_main_~i~4 140), 124232#(<= ULTIMATE.start_main_~i~4 138), 124235#(<= ULTIMATE.start_main_~i~4 144), 124234#(<= ULTIMATE.start_main_~i~4 142), 124237#(<= ULTIMATE.start_main_~i~4 148), 124236#(<= ULTIMATE.start_main_~i~4 146), 124239#(<= ULTIMATE.start_main_~i~4 152), 124238#(<= ULTIMATE.start_main_~i~4 150), 124241#(<= ULTIMATE.start_main_~i~4 156), 124240#(<= ULTIMATE.start_main_~i~4 154), 124243#(<= ULTIMATE.start_main_~i~4 160), 124242#(<= ULTIMATE.start_main_~i~4 158), 124245#(<= ULTIMATE.start_main_~i~4 164), 124244#(<= ULTIMATE.start_main_~i~4 162), 124247#(<= ULTIMATE.start_main_~i~4 168), 124246#(<= ULTIMATE.start_main_~i~4 166), 124249#(<= ULTIMATE.start_main_~i~4 172), 124248#(<= ULTIMATE.start_main_~i~4 170), 124251#(<= ULTIMATE.start_main_~i~4 176), 124250#(<= ULTIMATE.start_main_~i~4 174), 124253#(<= ULTIMATE.start_main_~i~4 180), 124252#(<= ULTIMATE.start_main_~i~4 178), 124255#(<= ULTIMATE.start_main_~i~4 184), 124254#(<= ULTIMATE.start_main_~i~4 182), 124257#(<= ULTIMATE.start_main_~i~4 188), 124256#(<= ULTIMATE.start_main_~i~4 186), 124259#(<= ULTIMATE.start_main_~i~4 192), 124258#(<= ULTIMATE.start_main_~i~4 190), 124261#(<= ULTIMATE.start_main_~i~4 196), 124260#(<= ULTIMATE.start_main_~i~4 194), 124263#(<= ULTIMATE.start_main_~i~4 200), 124262#(<= ULTIMATE.start_main_~i~4 198), 124265#(<= ULTIMATE.start_main_~i~4 204), 124264#(<= ULTIMATE.start_main_~i~4 202), 124267#(<= ULTIMATE.start_main_~i~4 208), 124266#(<= ULTIMATE.start_main_~i~4 206), 124269#(<= ULTIMATE.start_main_~i~4 212), 124268#(<= ULTIMATE.start_main_~i~4 210), 124271#(<= ULTIMATE.start_main_~i~4 216), 124270#(<= ULTIMATE.start_main_~i~4 214), 124273#(<= ULTIMATE.start_main_~i~4 220), 124272#(<= ULTIMATE.start_main_~i~4 218), 124275#(<= ULTIMATE.start_main_~i~4 224), 124274#(<= ULTIMATE.start_main_~i~4 222), 124277#(<= ULTIMATE.start_main_~i~4 228), 124276#(<= ULTIMATE.start_main_~i~4 226), 124279#(<= ULTIMATE.start_main_~i~4 232), 124278#(<= ULTIMATE.start_main_~i~4 230), 124281#(<= ULTIMATE.start_main_~i~4 236), 124280#(<= ULTIMATE.start_main_~i~4 234), 124283#(<= ULTIMATE.start_main_~i~4 240), 124282#(<= ULTIMATE.start_main_~i~4 238), 124285#(<= ULTIMATE.start_main_~i~4 244), 124284#(<= ULTIMATE.start_main_~i~4 242), 124287#(<= ULTIMATE.start_main_~i~4 248), 124286#(<= ULTIMATE.start_main_~i~4 246), 124289#(<= ULTIMATE.start_main_~i~4 252), 124288#(<= ULTIMATE.start_main_~i~4 250), 124291#(<= ULTIMATE.start_main_~i~4 256), 124290#(<= ULTIMATE.start_main_~i~4 254), 124293#(<= ULTIMATE.start_main_~i~4 260), 124292#(<= ULTIMATE.start_main_~i~4 258), 124295#(<= ULTIMATE.start_main_~i~4 264), 124294#(<= ULTIMATE.start_main_~i~4 262), 124297#(<= ULTIMATE.start_main_~i~4 268), 124296#(<= ULTIMATE.start_main_~i~4 266), 124299#(<= ULTIMATE.start_main_~i~4 272), 124298#(<= ULTIMATE.start_main_~i~4 270), 124301#(<= ULTIMATE.start_main_~i~4 276), 124300#(<= ULTIMATE.start_main_~i~4 274), 124303#(<= ULTIMATE.start_main_~i~4 280), 124302#(<= ULTIMATE.start_main_~i~4 278), 124305#(<= ULTIMATE.start_main_~i~4 284), 124304#(<= ULTIMATE.start_main_~i~4 282), 124307#(<= ULTIMATE.start_main_~i~4 288), 124306#(<= ULTIMATE.start_main_~i~4 286), 124309#(<= ULTIMATE.start_main_~i~4 292), 124308#(<= ULTIMATE.start_main_~i~4 290), 124311#(<= ULTIMATE.start_main_~i~4 296), 124310#(<= ULTIMATE.start_main_~i~4 294), 124313#(<= ULTIMATE.start_main_~i~4 300), 124312#(<= ULTIMATE.start_main_~i~4 298), 124315#(<= ULTIMATE.start_main_~i~4 304), 124314#(<= ULTIMATE.start_main_~i~4 302), 124317#(<= ULTIMATE.start_main_~i~4 308), 124316#(<= ULTIMATE.start_main_~i~4 306), 124319#(<= ULTIMATE.start_main_~i~4 312), 124318#(<= ULTIMATE.start_main_~i~4 310), 124321#(<= ULTIMATE.start_main_~i~4 316), 124320#(<= ULTIMATE.start_main_~i~4 314), 124323#(<= ULTIMATE.start_main_~i~4 320), 124322#(<= ULTIMATE.start_main_~i~4 318), 124325#(<= ULTIMATE.start_main_~i~4 324), 124324#(<= ULTIMATE.start_main_~i~4 322), 124327#(<= ULTIMATE.start_main_~i~4 328), 124326#(<= ULTIMATE.start_main_~i~4 326), 124329#(<= ULTIMATE.start_main_~i~4 332), 124328#(<= ULTIMATE.start_main_~i~4 330), 124331#(<= ULTIMATE.start_main_~i~4 336), 124330#(<= ULTIMATE.start_main_~i~4 334), 124333#(<= ULTIMATE.start_main_~i~4 340), 124332#(<= ULTIMATE.start_main_~i~4 338), 124335#(<= ULTIMATE.start_main_~i~4 344), 124334#(<= ULTIMATE.start_main_~i~4 342), 124337#(<= ULTIMATE.start_main_~i~4 348), 124336#(<= ULTIMATE.start_main_~i~4 346), 124339#(<= ULTIMATE.start_main_~i~4 352), 124338#(<= ULTIMATE.start_main_~i~4 350), 124341#(<= ULTIMATE.start_main_~i~4 356), 124340#(<= ULTIMATE.start_main_~i~4 354), 124343#(<= ULTIMATE.start_main_~i~4 360), 124342#(<= ULTIMATE.start_main_~i~4 358), 124345#(<= ULTIMATE.start_main_~i~4 364), 124344#(<= ULTIMATE.start_main_~i~4 362), 124347#(<= ULTIMATE.start_main_~i~4 368), 124346#(<= ULTIMATE.start_main_~i~4 366), 124349#(<= ULTIMATE.start_main_~i~4 372), 124348#(<= ULTIMATE.start_main_~i~4 370), 124351#(<= ULTIMATE.start_main_~i~4 376), 124350#(<= ULTIMATE.start_main_~i~4 374), 124353#(<= ULTIMATE.start_main_~i~4 380), 124352#(<= ULTIMATE.start_main_~i~4 378), 124355#(<= ULTIMATE.start_main_~i~4 384), 124354#(<= ULTIMATE.start_main_~i~4 382), 124357#(<= ULTIMATE.start_main_~i~4 388), 124356#(<= ULTIMATE.start_main_~i~4 386), 124359#(<= ULTIMATE.start_main_~i~4 392), 124358#(<= ULTIMATE.start_main_~i~4 390), 124361#(<= ULTIMATE.start_main_~i~4 396), 124360#(<= ULTIMATE.start_main_~i~4 394), 124363#(<= ULTIMATE.start_main_~i~4 400), 124362#(<= ULTIMATE.start_main_~i~4 398), 124365#(<= ULTIMATE.start_main_~i~4 404), 124364#(<= ULTIMATE.start_main_~i~4 402), 124367#(<= ULTIMATE.start_main_~i~4 408), 124366#(<= ULTIMATE.start_main_~i~4 406), 124369#(<= ULTIMATE.start_main_~i~4 412), 124368#(<= ULTIMATE.start_main_~i~4 410), 124371#(<= ULTIMATE.start_main_~i~4 416), 124370#(<= ULTIMATE.start_main_~i~4 414), 124373#(<= ULTIMATE.start_main_~i~4 420), 124372#(<= ULTIMATE.start_main_~i~4 418), 124375#(<= ULTIMATE.start_main_~i~4 424), 124374#(<= ULTIMATE.start_main_~i~4 422), 124377#(<= ULTIMATE.start_main_~i~4 428), 124376#(<= ULTIMATE.start_main_~i~4 426), 124379#(<= ULTIMATE.start_main_~i~4 432), 124378#(<= ULTIMATE.start_main_~i~4 430), 124381#(<= ULTIMATE.start_main_~i~4 436), 124380#(<= ULTIMATE.start_main_~i~4 434)] [2018-07-23 13:40:07,407 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 13:40:07,407 INFO L450 AbstractCegarLoop]: Interpolant automaton has 221 states [2018-07-23 13:40:07,410 INFO L132 InterpolantAutomaton]: Constructing interpolant automaton starting with 221 interpolants. [2018-07-23 13:40:07,412 INFO L133 InterpolantAutomaton]: CoverageRelationStatistics Valid=24310, Invalid=24310, Unknown=0, NotChecked=0, Total=48620 [2018-07-23 13:40:07,412 INFO L87 Difference]: Start difference. First operand 222 states and 222 transitions. Second operand 221 states. [2018-07-23 13:40:08,904 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2018-07-23 13:40:08,904 INFO L93 Difference]: Finished difference Result 225 states and 225 transitions. [2018-07-23 13:40:08,904 INFO L142 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 221 states. [2018-07-23 13:40:08,904 INFO L78 Accepts]: Start accepts. Automaton has 221 states. Word has length 221 [2018-07-23 13:40:08,904 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2018-07-23 13:40:08,904 INFO L225 Difference]: With dead ends: 225 [2018-07-23 13:40:08,904 INFO L226 Difference]: Without dead ends: 223 [2018-07-23 13:40:08,906 INFO L575 BasicCegarLoop]: 0 DeclaredPredicates, 220 GetRequests, 1 SyntacticMatches, 0 SemanticMatches, 219 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 0 ImplicationChecksByTransitivity, 0.9s TimeCoverageRelationStatistics Valid=24310, Invalid=24310, Unknown=0, NotChecked=0, Total=48620 [2018-07-23 13:40:08,907 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 223 states. [2018-07-23 13:40:08,909 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 223 to 223. [2018-07-23 13:40:08,909 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 223 states. [2018-07-23 13:40:08,909 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 223 states to 223 states and 223 transitions. [2018-07-23 13:40:08,909 INFO L78 Accepts]: Start accepts. Automaton has 223 states and 223 transitions. Word has length 221 [2018-07-23 13:40:08,909 INFO L84 Accepts]: Finished accepts. word is rejected. [2018-07-23 13:40:08,909 INFO L471 AbstractCegarLoop]: Abstraction has 223 states and 223 transitions. [2018-07-23 13:40:08,909 INFO L472 AbstractCegarLoop]: Interpolant automaton has 221 states. [2018-07-23 13:40:08,909 INFO L276 IsEmpty]: Start isEmpty. Operand 223 states and 223 transitions. [2018-07-23 13:40:08,910 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 223 [2018-07-23 13:40:08,910 INFO L349 BasicCegarLoop]: Found error trace [2018-07-23 13:40:08,910 INFO L357 BasicCegarLoop]: trace histogram [219, 1, 1, 1] [2018-07-23 13:40:08,910 INFO L414 AbstractCegarLoop]: === Iteration 220 === [ULTIMATE.startErr0AssertViolationASSERT]=== [2018-07-23 13:40:08,910 INFO L82 PathProgramCache]: Analyzing trace with hash -1891124280, now seen corresponding path program 219 times [2018-07-23 13:40:08,910 INFO L69 tionRefinementEngine]: Using refinement strategy FixedRefinementStrategy [2018-07-23 13:40:09,109 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-07-23 13:40:10,199 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 13:40:10,200 INFO L309 seRefinementStrategy]: Constructing automaton from 0 perfect and 1 imperfect interpolant sequences. [2018-07-23 13:40:10,200 INFO L324 seRefinementStrategy]: Number of different interpolants: perfect sequences [] imperfect sequences [221] total 221 [2018-07-23 13:40:10,200 INFO L142 lantAutomatonBuilder]: Constructing canonical interpolant automaton, with selfloop in false state [2018-07-23 13:40:10,200 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2018-07-23 13:40:10,200 INFO L185 omatonBuilderFactory]: Interpolants [125441#(<= ULTIMATE.start_main_~i~4 322), 125440#(<= ULTIMATE.start_main_~i~4 320), 125443#(<= ULTIMATE.start_main_~i~4 326), 125442#(<= ULTIMATE.start_main_~i~4 324), 125445#(<= ULTIMATE.start_main_~i~4 330), 125444#(<= ULTIMATE.start_main_~i~4 328), 125447#(<= ULTIMATE.start_main_~i~4 334), 125446#(<= ULTIMATE.start_main_~i~4 332), 125449#(<= ULTIMATE.start_main_~i~4 338), 125448#(<= ULTIMATE.start_main_~i~4 336), 125451#(<= ULTIMATE.start_main_~i~4 342), 125450#(<= ULTIMATE.start_main_~i~4 340), 125453#(<= ULTIMATE.start_main_~i~4 346), 125452#(<= ULTIMATE.start_main_~i~4 344), 125455#(<= ULTIMATE.start_main_~i~4 350), 125454#(<= ULTIMATE.start_main_~i~4 348), 125457#(<= ULTIMATE.start_main_~i~4 354), 125456#(<= ULTIMATE.start_main_~i~4 352), 125459#(<= ULTIMATE.start_main_~i~4 358), 125458#(<= ULTIMATE.start_main_~i~4 356), 125461#(<= ULTIMATE.start_main_~i~4 362), 125460#(<= ULTIMATE.start_main_~i~4 360), 125463#(<= ULTIMATE.start_main_~i~4 366), 125462#(<= ULTIMATE.start_main_~i~4 364), 125465#(<= ULTIMATE.start_main_~i~4 370), 125464#(<= ULTIMATE.start_main_~i~4 368), 125467#(<= ULTIMATE.start_main_~i~4 374), 125466#(<= ULTIMATE.start_main_~i~4 372), 125469#(<= ULTIMATE.start_main_~i~4 378), 125468#(<= ULTIMATE.start_main_~i~4 376), 125471#(<= ULTIMATE.start_main_~i~4 382), 125470#(<= ULTIMATE.start_main_~i~4 380), 125473#(<= ULTIMATE.start_main_~i~4 386), 125472#(<= ULTIMATE.start_main_~i~4 384), 125475#(<= ULTIMATE.start_main_~i~4 390), 125474#(<= ULTIMATE.start_main_~i~4 388), 125477#(<= ULTIMATE.start_main_~i~4 394), 125476#(<= ULTIMATE.start_main_~i~4 392), 125479#(<= ULTIMATE.start_main_~i~4 398), 125478#(<= ULTIMATE.start_main_~i~4 396), 125481#(<= ULTIMATE.start_main_~i~4 402), 125480#(<= ULTIMATE.start_main_~i~4 400), 125483#(<= ULTIMATE.start_main_~i~4 406), 125482#(<= ULTIMATE.start_main_~i~4 404), 125485#(<= ULTIMATE.start_main_~i~4 410), 125484#(<= ULTIMATE.start_main_~i~4 408), 125487#(<= ULTIMATE.start_main_~i~4 414), 125486#(<= ULTIMATE.start_main_~i~4 412), 125489#(<= ULTIMATE.start_main_~i~4 418), 125488#(<= ULTIMATE.start_main_~i~4 416), 125491#(<= ULTIMATE.start_main_~i~4 422), 125490#(<= ULTIMATE.start_main_~i~4 420), 125493#(<= ULTIMATE.start_main_~i~4 426), 125492#(<= ULTIMATE.start_main_~i~4 424), 125495#(<= ULTIMATE.start_main_~i~4 430), 125494#(<= ULTIMATE.start_main_~i~4 428), 125497#(<= ULTIMATE.start_main_~i~4 434), 125496#(<= ULTIMATE.start_main_~i~4 432), 125499#(<= ULTIMATE.start_main_~i~4 438), 125498#(<= ULTIMATE.start_main_~i~4 436), 125279#false, 125278#true, 125281#(<= ULTIMATE.start_main_~i~4 2), 125280#(<= ULTIMATE.start_main_~i~4 0), 125283#(<= ULTIMATE.start_main_~i~4 6), 125282#(<= ULTIMATE.start_main_~i~4 4), 125285#(<= ULTIMATE.start_main_~i~4 10), 125284#(<= ULTIMATE.start_main_~i~4 8), 125287#(<= ULTIMATE.start_main_~i~4 14), 125286#(<= ULTIMATE.start_main_~i~4 12), 125289#(<= ULTIMATE.start_main_~i~4 18), 125288#(<= ULTIMATE.start_main_~i~4 16), 125291#(<= ULTIMATE.start_main_~i~4 22), 125290#(<= ULTIMATE.start_main_~i~4 20), 125293#(<= ULTIMATE.start_main_~i~4 26), 125292#(<= ULTIMATE.start_main_~i~4 24), 125295#(<= ULTIMATE.start_main_~i~4 30), 125294#(<= ULTIMATE.start_main_~i~4 28), 125297#(<= ULTIMATE.start_main_~i~4 34), 125296#(<= ULTIMATE.start_main_~i~4 32), 125299#(<= ULTIMATE.start_main_~i~4 38), 125298#(<= ULTIMATE.start_main_~i~4 36), 125301#(<= ULTIMATE.start_main_~i~4 42), 125300#(<= ULTIMATE.start_main_~i~4 40), 125303#(<= ULTIMATE.start_main_~i~4 46), 125302#(<= ULTIMATE.start_main_~i~4 44), 125305#(<= ULTIMATE.start_main_~i~4 50), 125304#(<= ULTIMATE.start_main_~i~4 48), 125307#(<= ULTIMATE.start_main_~i~4 54), 125306#(<= ULTIMATE.start_main_~i~4 52), 125309#(<= ULTIMATE.start_main_~i~4 58), 125308#(<= ULTIMATE.start_main_~i~4 56), 125311#(<= ULTIMATE.start_main_~i~4 62), 125310#(<= ULTIMATE.start_main_~i~4 60), 125313#(<= ULTIMATE.start_main_~i~4 66), 125312#(<= ULTIMATE.start_main_~i~4 64), 125315#(<= ULTIMATE.start_main_~i~4 70), 125314#(<= ULTIMATE.start_main_~i~4 68), 125317#(<= ULTIMATE.start_main_~i~4 74), 125316#(<= ULTIMATE.start_main_~i~4 72), 125319#(<= ULTIMATE.start_main_~i~4 78), 125318#(<= ULTIMATE.start_main_~i~4 76), 125321#(<= ULTIMATE.start_main_~i~4 82), 125320#(<= ULTIMATE.start_main_~i~4 80), 125323#(<= ULTIMATE.start_main_~i~4 86), 125322#(<= ULTIMATE.start_main_~i~4 84), 125325#(<= ULTIMATE.start_main_~i~4 90), 125324#(<= ULTIMATE.start_main_~i~4 88), 125327#(<= ULTIMATE.start_main_~i~4 94), 125326#(<= ULTIMATE.start_main_~i~4 92), 125329#(<= ULTIMATE.start_main_~i~4 98), 125328#(<= ULTIMATE.start_main_~i~4 96), 125331#(<= ULTIMATE.start_main_~i~4 102), 125330#(<= ULTIMATE.start_main_~i~4 100), 125333#(<= ULTIMATE.start_main_~i~4 106), 125332#(<= ULTIMATE.start_main_~i~4 104), 125335#(<= ULTIMATE.start_main_~i~4 110), 125334#(<= ULTIMATE.start_main_~i~4 108), 125337#(<= ULTIMATE.start_main_~i~4 114), 125336#(<= ULTIMATE.start_main_~i~4 112), 125339#(<= ULTIMATE.start_main_~i~4 118), 125338#(<= ULTIMATE.start_main_~i~4 116), 125341#(<= ULTIMATE.start_main_~i~4 122), 125340#(<= ULTIMATE.start_main_~i~4 120), 125343#(<= ULTIMATE.start_main_~i~4 126), 125342#(<= ULTIMATE.start_main_~i~4 124), 125345#(<= ULTIMATE.start_main_~i~4 130), 125344#(<= ULTIMATE.start_main_~i~4 128), 125347#(<= ULTIMATE.start_main_~i~4 134), 125346#(<= ULTIMATE.start_main_~i~4 132), 125349#(<= ULTIMATE.start_main_~i~4 138), 125348#(<= ULTIMATE.start_main_~i~4 136), 125351#(<= ULTIMATE.start_main_~i~4 142), 125350#(<= ULTIMATE.start_main_~i~4 140), 125353#(<= ULTIMATE.start_main_~i~4 146), 125352#(<= ULTIMATE.start_main_~i~4 144), 125355#(<= ULTIMATE.start_main_~i~4 150), 125354#(<= ULTIMATE.start_main_~i~4 148), 125357#(<= ULTIMATE.start_main_~i~4 154), 125356#(<= ULTIMATE.start_main_~i~4 152), 125359#(<= ULTIMATE.start_main_~i~4 158), 125358#(<= ULTIMATE.start_main_~i~4 156), 125361#(<= ULTIMATE.start_main_~i~4 162), 125360#(<= ULTIMATE.start_main_~i~4 160), 125363#(<= ULTIMATE.start_main_~i~4 166), 125362#(<= ULTIMATE.start_main_~i~4 164), 125365#(<= ULTIMATE.start_main_~i~4 170), 125364#(<= ULTIMATE.start_main_~i~4 168), 125367#(<= ULTIMATE.start_main_~i~4 174), 125366#(<= ULTIMATE.start_main_~i~4 172), 125369#(<= ULTIMATE.start_main_~i~4 178), 125368#(<= ULTIMATE.start_main_~i~4 176), 125371#(<= ULTIMATE.start_main_~i~4 182), 125370#(<= ULTIMATE.start_main_~i~4 180), 125373#(<= ULTIMATE.start_main_~i~4 186), 125372#(<= ULTIMATE.start_main_~i~4 184), 125375#(<= ULTIMATE.start_main_~i~4 190), 125374#(<= ULTIMATE.start_main_~i~4 188), 125377#(<= ULTIMATE.start_main_~i~4 194), 125376#(<= ULTIMATE.start_main_~i~4 192), 125379#(<= ULTIMATE.start_main_~i~4 198), 125378#(<= ULTIMATE.start_main_~i~4 196), 125381#(<= ULTIMATE.start_main_~i~4 202), 125380#(<= ULTIMATE.start_main_~i~4 200), 125383#(<= ULTIMATE.start_main_~i~4 206), 125382#(<= ULTIMATE.start_main_~i~4 204), 125385#(<= ULTIMATE.start_main_~i~4 210), 125384#(<= ULTIMATE.start_main_~i~4 208), 125387#(<= ULTIMATE.start_main_~i~4 214), 125386#(<= ULTIMATE.start_main_~i~4 212), 125389#(<= ULTIMATE.start_main_~i~4 218), 125388#(<= ULTIMATE.start_main_~i~4 216), 125391#(<= ULTIMATE.start_main_~i~4 222), 125390#(<= ULTIMATE.start_main_~i~4 220), 125393#(<= ULTIMATE.start_main_~i~4 226), 125392#(<= ULTIMATE.start_main_~i~4 224), 125395#(<= ULTIMATE.start_main_~i~4 230), 125394#(<= ULTIMATE.start_main_~i~4 228), 125397#(<= ULTIMATE.start_main_~i~4 234), 125396#(<= ULTIMATE.start_main_~i~4 232), 125399#(<= ULTIMATE.start_main_~i~4 238), 125398#(<= ULTIMATE.start_main_~i~4 236), 125401#(<= ULTIMATE.start_main_~i~4 242), 125400#(<= ULTIMATE.start_main_~i~4 240), 125403#(<= ULTIMATE.start_main_~i~4 246), 125402#(<= ULTIMATE.start_main_~i~4 244), 125405#(<= ULTIMATE.start_main_~i~4 250), 125404#(<= ULTIMATE.start_main_~i~4 248), 125407#(<= ULTIMATE.start_main_~i~4 254), 125406#(<= ULTIMATE.start_main_~i~4 252), 125409#(<= ULTIMATE.start_main_~i~4 258), 125408#(<= ULTIMATE.start_main_~i~4 256), 125411#(<= ULTIMATE.start_main_~i~4 262), 125410#(<= ULTIMATE.start_main_~i~4 260), 125413#(<= ULTIMATE.start_main_~i~4 266), 125412#(<= ULTIMATE.start_main_~i~4 264), 125415#(<= ULTIMATE.start_main_~i~4 270), 125414#(<= ULTIMATE.start_main_~i~4 268), 125417#(<= ULTIMATE.start_main_~i~4 274), 125416#(<= ULTIMATE.start_main_~i~4 272), 125419#(<= ULTIMATE.start_main_~i~4 278), 125418#(<= ULTIMATE.start_main_~i~4 276), 125421#(<= ULTIMATE.start_main_~i~4 282), 125420#(<= ULTIMATE.start_main_~i~4 280), 125423#(<= ULTIMATE.start_main_~i~4 286), 125422#(<= ULTIMATE.start_main_~i~4 284), 125425#(<= ULTIMATE.start_main_~i~4 290), 125424#(<= ULTIMATE.start_main_~i~4 288), 125427#(<= ULTIMATE.start_main_~i~4 294), 125426#(<= ULTIMATE.start_main_~i~4 292), 125429#(<= ULTIMATE.start_main_~i~4 298), 125428#(<= ULTIMATE.start_main_~i~4 296), 125431#(<= ULTIMATE.start_main_~i~4 302), 125430#(<= ULTIMATE.start_main_~i~4 300), 125433#(<= ULTIMATE.start_main_~i~4 306), 125432#(<= ULTIMATE.start_main_~i~4 304), 125435#(<= ULTIMATE.start_main_~i~4 310), 125434#(<= ULTIMATE.start_main_~i~4 308), 125437#(<= ULTIMATE.start_main_~i~4 314), 125436#(<= ULTIMATE.start_main_~i~4 312), 125439#(<= ULTIMATE.start_main_~i~4 318), 125438#(<= ULTIMATE.start_main_~i~4 316)] [2018-07-23 13:40:10,201 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 13:40:10,202 INFO L450 AbstractCegarLoop]: Interpolant automaton has 222 states [2018-07-23 13:40:10,205 INFO L132 InterpolantAutomaton]: Constructing interpolant automaton starting with 222 interpolants. [2018-07-23 13:40:10,206 INFO L133 InterpolantAutomaton]: CoverageRelationStatistics Valid=24531, Invalid=24531, Unknown=0, NotChecked=0, Total=49062 [2018-07-23 13:40:10,206 INFO L87 Difference]: Start difference. First operand 223 states and 223 transitions. Second operand 222 states. [2018-07-23 13:40:10,748 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2018-07-23 13:40:10,748 INFO L93 Difference]: Finished difference Result 226 states and 226 transitions. [2018-07-23 13:40:10,748 INFO L142 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 222 states. [2018-07-23 13:40:10,748 INFO L78 Accepts]: Start accepts. Automaton has 222 states. Word has length 222 [2018-07-23 13:40:10,748 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2018-07-23 13:40:10,748 INFO L225 Difference]: With dead ends: 226 [2018-07-23 13:40:10,748 INFO L226 Difference]: Without dead ends: 224 [2018-07-23 13:40:10,750 INFO L575 BasicCegarLoop]: 0 DeclaredPredicates, 221 GetRequests, 1 SyntacticMatches, 0 SemanticMatches, 220 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 0 ImplicationChecksByTransitivity, 1.0s TimeCoverageRelationStatistics Valid=24531, Invalid=24531, Unknown=0, NotChecked=0, Total=49062 [2018-07-23 13:40:10,751 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 224 states. [2018-07-23 13:40:10,754 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 224 to 224. [2018-07-23 13:40:10,754 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 224 states. [2018-07-23 13:40:10,754 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 224 states to 224 states and 224 transitions. [2018-07-23 13:40:10,754 INFO L78 Accepts]: Start accepts. Automaton has 224 states and 224 transitions. Word has length 222 [2018-07-23 13:40:10,754 INFO L84 Accepts]: Finished accepts. word is rejected. [2018-07-23 13:40:10,755 INFO L471 AbstractCegarLoop]: Abstraction has 224 states and 224 transitions. [2018-07-23 13:40:10,755 INFO L472 AbstractCegarLoop]: Interpolant automaton has 222 states. [2018-07-23 13:40:10,755 INFO L276 IsEmpty]: Start isEmpty. Operand 224 states and 224 transitions. [2018-07-23 13:40:10,756 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 224 [2018-07-23 13:40:10,756 INFO L349 BasicCegarLoop]: Found error trace [2018-07-23 13:40:10,756 INFO L357 BasicCegarLoop]: trace histogram [220, 1, 1, 1] [2018-07-23 13:40:10,756 INFO L414 AbstractCegarLoop]: === Iteration 221 === [ULTIMATE.startErr0AssertViolationASSERT]=== [2018-07-23 13:40:10,756 INFO L82 PathProgramCache]: Analyzing trace with hash 1504687489, now seen corresponding path program 220 times [2018-07-23 13:40:10,756 INFO L69 tionRefinementEngine]: Using refinement strategy FixedRefinementStrategy [2018-07-23 13:40:11,125 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-07-23 13:40:12,227 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 13:40:12,227 INFO L309 seRefinementStrategy]: Constructing automaton from 0 perfect and 1 imperfect interpolant sequences. [2018-07-23 13:40:12,227 INFO L324 seRefinementStrategy]: Number of different interpolants: perfect sequences [] imperfect sequences [222] total 222 [2018-07-23 13:40:12,227 INFO L142 lantAutomatonBuilder]: Constructing canonical interpolant automaton, with selfloop in false state [2018-07-23 13:40:12,228 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2018-07-23 13:40:12,228 INFO L185 omatonBuilderFactory]: Interpolants [126465#(<= ULTIMATE.start_main_~i~4 126), 126464#(<= ULTIMATE.start_main_~i~4 124), 126467#(<= ULTIMATE.start_main_~i~4 130), 126466#(<= ULTIMATE.start_main_~i~4 128), 126469#(<= ULTIMATE.start_main_~i~4 134), 126468#(<= ULTIMATE.start_main_~i~4 132), 126471#(<= ULTIMATE.start_main_~i~4 138), 126470#(<= ULTIMATE.start_main_~i~4 136), 126473#(<= ULTIMATE.start_main_~i~4 142), 126472#(<= ULTIMATE.start_main_~i~4 140), 126475#(<= ULTIMATE.start_main_~i~4 146), 126474#(<= ULTIMATE.start_main_~i~4 144), 126477#(<= ULTIMATE.start_main_~i~4 150), 126476#(<= ULTIMATE.start_main_~i~4 148), 126479#(<= ULTIMATE.start_main_~i~4 154), 126478#(<= ULTIMATE.start_main_~i~4 152), 126481#(<= ULTIMATE.start_main_~i~4 158), 126480#(<= ULTIMATE.start_main_~i~4 156), 126483#(<= ULTIMATE.start_main_~i~4 162), 126482#(<= ULTIMATE.start_main_~i~4 160), 126485#(<= ULTIMATE.start_main_~i~4 166), 126484#(<= ULTIMATE.start_main_~i~4 164), 126487#(<= ULTIMATE.start_main_~i~4 170), 126486#(<= ULTIMATE.start_main_~i~4 168), 126489#(<= ULTIMATE.start_main_~i~4 174), 126488#(<= ULTIMATE.start_main_~i~4 172), 126491#(<= ULTIMATE.start_main_~i~4 178), 126490#(<= ULTIMATE.start_main_~i~4 176), 126493#(<= ULTIMATE.start_main_~i~4 182), 126492#(<= ULTIMATE.start_main_~i~4 180), 126495#(<= ULTIMATE.start_main_~i~4 186), 126494#(<= ULTIMATE.start_main_~i~4 184), 126497#(<= ULTIMATE.start_main_~i~4 190), 126496#(<= ULTIMATE.start_main_~i~4 188), 126499#(<= ULTIMATE.start_main_~i~4 194), 126498#(<= ULTIMATE.start_main_~i~4 192), 126501#(<= ULTIMATE.start_main_~i~4 198), 126500#(<= ULTIMATE.start_main_~i~4 196), 126503#(<= ULTIMATE.start_main_~i~4 202), 126502#(<= ULTIMATE.start_main_~i~4 200), 126505#(<= ULTIMATE.start_main_~i~4 206), 126504#(<= ULTIMATE.start_main_~i~4 204), 126507#(<= ULTIMATE.start_main_~i~4 210), 126506#(<= ULTIMATE.start_main_~i~4 208), 126509#(<= ULTIMATE.start_main_~i~4 214), 126508#(<= ULTIMATE.start_main_~i~4 212), 126511#(<= ULTIMATE.start_main_~i~4 218), 126510#(<= ULTIMATE.start_main_~i~4 216), 126513#(<= ULTIMATE.start_main_~i~4 222), 126512#(<= ULTIMATE.start_main_~i~4 220), 126515#(<= ULTIMATE.start_main_~i~4 226), 126514#(<= ULTIMATE.start_main_~i~4 224), 126517#(<= ULTIMATE.start_main_~i~4 230), 126516#(<= ULTIMATE.start_main_~i~4 228), 126519#(<= ULTIMATE.start_main_~i~4 234), 126518#(<= ULTIMATE.start_main_~i~4 232), 126521#(<= ULTIMATE.start_main_~i~4 238), 126520#(<= ULTIMATE.start_main_~i~4 236), 126523#(<= ULTIMATE.start_main_~i~4 242), 126522#(<= ULTIMATE.start_main_~i~4 240), 126525#(<= ULTIMATE.start_main_~i~4 246), 126524#(<= ULTIMATE.start_main_~i~4 244), 126527#(<= ULTIMATE.start_main_~i~4 250), 126526#(<= ULTIMATE.start_main_~i~4 248), 126529#(<= ULTIMATE.start_main_~i~4 254), 126528#(<= ULTIMATE.start_main_~i~4 252), 126531#(<= ULTIMATE.start_main_~i~4 258), 126530#(<= ULTIMATE.start_main_~i~4 256), 126533#(<= ULTIMATE.start_main_~i~4 262), 126532#(<= ULTIMATE.start_main_~i~4 260), 126535#(<= ULTIMATE.start_main_~i~4 266), 126534#(<= ULTIMATE.start_main_~i~4 264), 126537#(<= ULTIMATE.start_main_~i~4 270), 126536#(<= ULTIMATE.start_main_~i~4 268), 126539#(<= ULTIMATE.start_main_~i~4 274), 126538#(<= ULTIMATE.start_main_~i~4 272), 126541#(<= ULTIMATE.start_main_~i~4 278), 126540#(<= ULTIMATE.start_main_~i~4 276), 126543#(<= ULTIMATE.start_main_~i~4 282), 126542#(<= ULTIMATE.start_main_~i~4 280), 126545#(<= ULTIMATE.start_main_~i~4 286), 126544#(<= ULTIMATE.start_main_~i~4 284), 126547#(<= ULTIMATE.start_main_~i~4 290), 126546#(<= ULTIMATE.start_main_~i~4 288), 126549#(<= ULTIMATE.start_main_~i~4 294), 126548#(<= ULTIMATE.start_main_~i~4 292), 126551#(<= ULTIMATE.start_main_~i~4 298), 126550#(<= ULTIMATE.start_main_~i~4 296), 126553#(<= ULTIMATE.start_main_~i~4 302), 126552#(<= ULTIMATE.start_main_~i~4 300), 126555#(<= ULTIMATE.start_main_~i~4 306), 126554#(<= ULTIMATE.start_main_~i~4 304), 126557#(<= ULTIMATE.start_main_~i~4 310), 126556#(<= ULTIMATE.start_main_~i~4 308), 126559#(<= ULTIMATE.start_main_~i~4 314), 126558#(<= ULTIMATE.start_main_~i~4 312), 126561#(<= ULTIMATE.start_main_~i~4 318), 126560#(<= ULTIMATE.start_main_~i~4 316), 126563#(<= ULTIMATE.start_main_~i~4 322), 126562#(<= ULTIMATE.start_main_~i~4 320), 126565#(<= ULTIMATE.start_main_~i~4 326), 126564#(<= ULTIMATE.start_main_~i~4 324), 126567#(<= ULTIMATE.start_main_~i~4 330), 126566#(<= ULTIMATE.start_main_~i~4 328), 126569#(<= ULTIMATE.start_main_~i~4 334), 126568#(<= ULTIMATE.start_main_~i~4 332), 126571#(<= ULTIMATE.start_main_~i~4 338), 126570#(<= ULTIMATE.start_main_~i~4 336), 126573#(<= ULTIMATE.start_main_~i~4 342), 126572#(<= ULTIMATE.start_main_~i~4 340), 126575#(<= ULTIMATE.start_main_~i~4 346), 126574#(<= ULTIMATE.start_main_~i~4 344), 126577#(<= ULTIMATE.start_main_~i~4 350), 126576#(<= ULTIMATE.start_main_~i~4 348), 126579#(<= ULTIMATE.start_main_~i~4 354), 126578#(<= ULTIMATE.start_main_~i~4 352), 126581#(<= ULTIMATE.start_main_~i~4 358), 126580#(<= ULTIMATE.start_main_~i~4 356), 126583#(<= ULTIMATE.start_main_~i~4 362), 126582#(<= ULTIMATE.start_main_~i~4 360), 126585#(<= ULTIMATE.start_main_~i~4 366), 126584#(<= ULTIMATE.start_main_~i~4 364), 126587#(<= ULTIMATE.start_main_~i~4 370), 126586#(<= ULTIMATE.start_main_~i~4 368), 126589#(<= ULTIMATE.start_main_~i~4 374), 126588#(<= ULTIMATE.start_main_~i~4 372), 126591#(<= ULTIMATE.start_main_~i~4 378), 126590#(<= ULTIMATE.start_main_~i~4 376), 126593#(<= ULTIMATE.start_main_~i~4 382), 126592#(<= ULTIMATE.start_main_~i~4 380), 126595#(<= ULTIMATE.start_main_~i~4 386), 126594#(<= ULTIMATE.start_main_~i~4 384), 126597#(<= ULTIMATE.start_main_~i~4 390), 126596#(<= ULTIMATE.start_main_~i~4 388), 126599#(<= ULTIMATE.start_main_~i~4 394), 126598#(<= ULTIMATE.start_main_~i~4 392), 126601#(<= ULTIMATE.start_main_~i~4 398), 126600#(<= ULTIMATE.start_main_~i~4 396), 126603#(<= ULTIMATE.start_main_~i~4 402), 126602#(<= ULTIMATE.start_main_~i~4 400), 126605#(<= ULTIMATE.start_main_~i~4 406), 126604#(<= ULTIMATE.start_main_~i~4 404), 126607#(<= ULTIMATE.start_main_~i~4 410), 126606#(<= ULTIMATE.start_main_~i~4 408), 126609#(<= ULTIMATE.start_main_~i~4 414), 126608#(<= ULTIMATE.start_main_~i~4 412), 126611#(<= ULTIMATE.start_main_~i~4 418), 126610#(<= ULTIMATE.start_main_~i~4 416), 126613#(<= ULTIMATE.start_main_~i~4 422), 126612#(<= ULTIMATE.start_main_~i~4 420), 126615#(<= ULTIMATE.start_main_~i~4 426), 126614#(<= ULTIMATE.start_main_~i~4 424), 126617#(<= ULTIMATE.start_main_~i~4 430), 126616#(<= ULTIMATE.start_main_~i~4 428), 126619#(<= ULTIMATE.start_main_~i~4 434), 126618#(<= ULTIMATE.start_main_~i~4 432), 126621#(<= ULTIMATE.start_main_~i~4 438), 126620#(<= ULTIMATE.start_main_~i~4 436), 126622#(<= ULTIMATE.start_main_~i~4 440), 126401#false, 126400#true, 126403#(<= ULTIMATE.start_main_~i~4 2), 126402#(<= ULTIMATE.start_main_~i~4 0), 126405#(<= ULTIMATE.start_main_~i~4 6), 126404#(<= ULTIMATE.start_main_~i~4 4), 126407#(<= ULTIMATE.start_main_~i~4 10), 126406#(<= ULTIMATE.start_main_~i~4 8), 126409#(<= ULTIMATE.start_main_~i~4 14), 126408#(<= ULTIMATE.start_main_~i~4 12), 126411#(<= ULTIMATE.start_main_~i~4 18), 126410#(<= ULTIMATE.start_main_~i~4 16), 126413#(<= ULTIMATE.start_main_~i~4 22), 126412#(<= ULTIMATE.start_main_~i~4 20), 126415#(<= ULTIMATE.start_main_~i~4 26), 126414#(<= ULTIMATE.start_main_~i~4 24), 126417#(<= ULTIMATE.start_main_~i~4 30), 126416#(<= ULTIMATE.start_main_~i~4 28), 126419#(<= ULTIMATE.start_main_~i~4 34), 126418#(<= ULTIMATE.start_main_~i~4 32), 126421#(<= ULTIMATE.start_main_~i~4 38), 126420#(<= ULTIMATE.start_main_~i~4 36), 126423#(<= ULTIMATE.start_main_~i~4 42), 126422#(<= ULTIMATE.start_main_~i~4 40), 126425#(<= ULTIMATE.start_main_~i~4 46), 126424#(<= ULTIMATE.start_main_~i~4 44), 126427#(<= ULTIMATE.start_main_~i~4 50), 126426#(<= ULTIMATE.start_main_~i~4 48), 126429#(<= ULTIMATE.start_main_~i~4 54), 126428#(<= ULTIMATE.start_main_~i~4 52), 126431#(<= ULTIMATE.start_main_~i~4 58), 126430#(<= ULTIMATE.start_main_~i~4 56), 126433#(<= ULTIMATE.start_main_~i~4 62), 126432#(<= ULTIMATE.start_main_~i~4 60), 126435#(<= ULTIMATE.start_main_~i~4 66), 126434#(<= ULTIMATE.start_main_~i~4 64), 126437#(<= ULTIMATE.start_main_~i~4 70), 126436#(<= ULTIMATE.start_main_~i~4 68), 126439#(<= ULTIMATE.start_main_~i~4 74), 126438#(<= ULTIMATE.start_main_~i~4 72), 126441#(<= ULTIMATE.start_main_~i~4 78), 126440#(<= ULTIMATE.start_main_~i~4 76), 126443#(<= ULTIMATE.start_main_~i~4 82), 126442#(<= ULTIMATE.start_main_~i~4 80), 126445#(<= ULTIMATE.start_main_~i~4 86), 126444#(<= ULTIMATE.start_main_~i~4 84), 126447#(<= ULTIMATE.start_main_~i~4 90), 126446#(<= ULTIMATE.start_main_~i~4 88), 126449#(<= ULTIMATE.start_main_~i~4 94), 126448#(<= ULTIMATE.start_main_~i~4 92), 126451#(<= ULTIMATE.start_main_~i~4 98), 126450#(<= ULTIMATE.start_main_~i~4 96), 126453#(<= ULTIMATE.start_main_~i~4 102), 126452#(<= ULTIMATE.start_main_~i~4 100), 126455#(<= ULTIMATE.start_main_~i~4 106), 126454#(<= ULTIMATE.start_main_~i~4 104), 126457#(<= ULTIMATE.start_main_~i~4 110), 126456#(<= ULTIMATE.start_main_~i~4 108), 126459#(<= ULTIMATE.start_main_~i~4 114), 126458#(<= ULTIMATE.start_main_~i~4 112), 126461#(<= ULTIMATE.start_main_~i~4 118), 126460#(<= ULTIMATE.start_main_~i~4 116), 126463#(<= ULTIMATE.start_main_~i~4 122), 126462#(<= ULTIMATE.start_main_~i~4 120)] [2018-07-23 13:40:12,230 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 13:40:12,230 INFO L450 AbstractCegarLoop]: Interpolant automaton has 223 states [2018-07-23 13:40:12,234 INFO L132 InterpolantAutomaton]: Constructing interpolant automaton starting with 223 interpolants. [2018-07-23 13:40:12,235 INFO L133 InterpolantAutomaton]: CoverageRelationStatistics Valid=24753, Invalid=24753, Unknown=0, NotChecked=0, Total=49506 [2018-07-23 13:40:12,236 INFO L87 Difference]: Start difference. First operand 224 states and 224 transitions. Second operand 223 states. [2018-07-23 13:40:13,089 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2018-07-23 13:40:13,089 INFO L93 Difference]: Finished difference Result 227 states and 227 transitions. [2018-07-23 13:40:13,089 INFO L142 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 223 states. [2018-07-23 13:40:13,089 INFO L78 Accepts]: Start accepts. Automaton has 223 states. Word has length 223 [2018-07-23 13:40:13,089 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2018-07-23 13:40:13,090 INFO L225 Difference]: With dead ends: 227 [2018-07-23 13:40:13,090 INFO L226 Difference]: Without dead ends: 225 [2018-07-23 13:40:13,092 INFO L575 BasicCegarLoop]: 0 DeclaredPredicates, 222 GetRequests, 1 SyntacticMatches, 0 SemanticMatches, 221 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 0 ImplicationChecksByTransitivity, 1.0s TimeCoverageRelationStatistics Valid=24753, Invalid=24753, Unknown=0, NotChecked=0, Total=49506 [2018-07-23 13:40:13,092 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 225 states. [2018-07-23 13:40:13,094 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 225 to 225. [2018-07-23 13:40:13,094 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 225 states. [2018-07-23 13:40:13,094 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 225 states to 225 states and 225 transitions. [2018-07-23 13:40:13,094 INFO L78 Accepts]: Start accepts. Automaton has 225 states and 225 transitions. Word has length 223 [2018-07-23 13:40:13,094 INFO L84 Accepts]: Finished accepts. word is rejected. [2018-07-23 13:40:13,095 INFO L471 AbstractCegarLoop]: Abstraction has 225 states and 225 transitions. [2018-07-23 13:40:13,095 INFO L472 AbstractCegarLoop]: Interpolant automaton has 223 states. [2018-07-23 13:40:13,095 INFO L276 IsEmpty]: Start isEmpty. Operand 225 states and 225 transitions. [2018-07-23 13:40:13,095 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 225 [2018-07-23 13:40:13,095 INFO L349 BasicCegarLoop]: Found error trace [2018-07-23 13:40:13,095 INFO L357 BasicCegarLoop]: trace histogram [221, 1, 1, 1] [2018-07-23 13:40:13,095 INFO L414 AbstractCegarLoop]: === Iteration 222 === [ULTIMATE.startErr0AssertViolationASSERT]=== [2018-07-23 13:40:13,096 INFO L82 PathProgramCache]: Analyzing trace with hash -599330072, now seen corresponding path program 221 times [2018-07-23 13:40:13,096 INFO L69 tionRefinementEngine]: Using refinement strategy FixedRefinementStrategy [2018-07-23 13:40:13,334 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-07-23 13:40:14,479 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 13:40:14,479 INFO L309 seRefinementStrategy]: Constructing automaton from 0 perfect and 1 imperfect interpolant sequences. [2018-07-23 13:40:14,479 INFO L324 seRefinementStrategy]: Number of different interpolants: perfect sequences [] imperfect sequences [223] total 223 [2018-07-23 13:40:14,479 INFO L142 lantAutomatonBuilder]: Constructing canonical interpolant automaton, with selfloop in false state [2018-07-23 13:40:14,479 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2018-07-23 13:40:14,480 INFO L185 omatonBuilderFactory]: Interpolants [127527#true, 127529#(<= ULTIMATE.start_main_~i~4 0), 127528#false, 127531#(<= ULTIMATE.start_main_~i~4 4), 127530#(<= ULTIMATE.start_main_~i~4 2), 127533#(<= ULTIMATE.start_main_~i~4 8), 127532#(<= ULTIMATE.start_main_~i~4 6), 127535#(<= ULTIMATE.start_main_~i~4 12), 127534#(<= ULTIMATE.start_main_~i~4 10), 127537#(<= ULTIMATE.start_main_~i~4 16), 127536#(<= ULTIMATE.start_main_~i~4 14), 127539#(<= ULTIMATE.start_main_~i~4 20), 127538#(<= ULTIMATE.start_main_~i~4 18), 127541#(<= ULTIMATE.start_main_~i~4 24), 127540#(<= ULTIMATE.start_main_~i~4 22), 127543#(<= ULTIMATE.start_main_~i~4 28), 127542#(<= ULTIMATE.start_main_~i~4 26), 127545#(<= ULTIMATE.start_main_~i~4 32), 127544#(<= ULTIMATE.start_main_~i~4 30), 127547#(<= ULTIMATE.start_main_~i~4 36), 127546#(<= ULTIMATE.start_main_~i~4 34), 127549#(<= ULTIMATE.start_main_~i~4 40), 127548#(<= ULTIMATE.start_main_~i~4 38), 127551#(<= ULTIMATE.start_main_~i~4 44), 127550#(<= ULTIMATE.start_main_~i~4 42), 127553#(<= ULTIMATE.start_main_~i~4 48), 127552#(<= ULTIMATE.start_main_~i~4 46), 127555#(<= ULTIMATE.start_main_~i~4 52), 127554#(<= ULTIMATE.start_main_~i~4 50), 127557#(<= ULTIMATE.start_main_~i~4 56), 127556#(<= ULTIMATE.start_main_~i~4 54), 127559#(<= ULTIMATE.start_main_~i~4 60), 127558#(<= ULTIMATE.start_main_~i~4 58), 127561#(<= ULTIMATE.start_main_~i~4 64), 127560#(<= ULTIMATE.start_main_~i~4 62), 127563#(<= ULTIMATE.start_main_~i~4 68), 127562#(<= ULTIMATE.start_main_~i~4 66), 127565#(<= ULTIMATE.start_main_~i~4 72), 127564#(<= ULTIMATE.start_main_~i~4 70), 127567#(<= ULTIMATE.start_main_~i~4 76), 127566#(<= ULTIMATE.start_main_~i~4 74), 127569#(<= ULTIMATE.start_main_~i~4 80), 127568#(<= ULTIMATE.start_main_~i~4 78), 127571#(<= ULTIMATE.start_main_~i~4 84), 127570#(<= ULTIMATE.start_main_~i~4 82), 127573#(<= ULTIMATE.start_main_~i~4 88), 127572#(<= ULTIMATE.start_main_~i~4 86), 127575#(<= ULTIMATE.start_main_~i~4 92), 127574#(<= ULTIMATE.start_main_~i~4 90), 127577#(<= ULTIMATE.start_main_~i~4 96), 127576#(<= ULTIMATE.start_main_~i~4 94), 127579#(<= ULTIMATE.start_main_~i~4 100), 127578#(<= ULTIMATE.start_main_~i~4 98), 127581#(<= ULTIMATE.start_main_~i~4 104), 127580#(<= ULTIMATE.start_main_~i~4 102), 127583#(<= ULTIMATE.start_main_~i~4 108), 127582#(<= ULTIMATE.start_main_~i~4 106), 127585#(<= ULTIMATE.start_main_~i~4 112), 127584#(<= ULTIMATE.start_main_~i~4 110), 127587#(<= ULTIMATE.start_main_~i~4 116), 127586#(<= ULTIMATE.start_main_~i~4 114), 127589#(<= ULTIMATE.start_main_~i~4 120), 127588#(<= ULTIMATE.start_main_~i~4 118), 127591#(<= ULTIMATE.start_main_~i~4 124), 127590#(<= ULTIMATE.start_main_~i~4 122), 127593#(<= ULTIMATE.start_main_~i~4 128), 127592#(<= ULTIMATE.start_main_~i~4 126), 127595#(<= ULTIMATE.start_main_~i~4 132), 127594#(<= ULTIMATE.start_main_~i~4 130), 127597#(<= ULTIMATE.start_main_~i~4 136), 127596#(<= ULTIMATE.start_main_~i~4 134), 127599#(<= ULTIMATE.start_main_~i~4 140), 127598#(<= ULTIMATE.start_main_~i~4 138), 127601#(<= ULTIMATE.start_main_~i~4 144), 127600#(<= ULTIMATE.start_main_~i~4 142), 127603#(<= ULTIMATE.start_main_~i~4 148), 127602#(<= ULTIMATE.start_main_~i~4 146), 127605#(<= ULTIMATE.start_main_~i~4 152), 127604#(<= ULTIMATE.start_main_~i~4 150), 127607#(<= ULTIMATE.start_main_~i~4 156), 127606#(<= ULTIMATE.start_main_~i~4 154), 127609#(<= ULTIMATE.start_main_~i~4 160), 127608#(<= ULTIMATE.start_main_~i~4 158), 127611#(<= ULTIMATE.start_main_~i~4 164), 127610#(<= ULTIMATE.start_main_~i~4 162), 127613#(<= ULTIMATE.start_main_~i~4 168), 127612#(<= ULTIMATE.start_main_~i~4 166), 127615#(<= ULTIMATE.start_main_~i~4 172), 127614#(<= ULTIMATE.start_main_~i~4 170), 127617#(<= ULTIMATE.start_main_~i~4 176), 127616#(<= ULTIMATE.start_main_~i~4 174), 127619#(<= ULTIMATE.start_main_~i~4 180), 127618#(<= ULTIMATE.start_main_~i~4 178), 127621#(<= ULTIMATE.start_main_~i~4 184), 127620#(<= ULTIMATE.start_main_~i~4 182), 127623#(<= ULTIMATE.start_main_~i~4 188), 127622#(<= ULTIMATE.start_main_~i~4 186), 127625#(<= ULTIMATE.start_main_~i~4 192), 127624#(<= ULTIMATE.start_main_~i~4 190), 127627#(<= ULTIMATE.start_main_~i~4 196), 127626#(<= ULTIMATE.start_main_~i~4 194), 127629#(<= ULTIMATE.start_main_~i~4 200), 127628#(<= ULTIMATE.start_main_~i~4 198), 127631#(<= ULTIMATE.start_main_~i~4 204), 127630#(<= ULTIMATE.start_main_~i~4 202), 127633#(<= ULTIMATE.start_main_~i~4 208), 127632#(<= ULTIMATE.start_main_~i~4 206), 127635#(<= ULTIMATE.start_main_~i~4 212), 127634#(<= ULTIMATE.start_main_~i~4 210), 127637#(<= ULTIMATE.start_main_~i~4 216), 127636#(<= ULTIMATE.start_main_~i~4 214), 127639#(<= ULTIMATE.start_main_~i~4 220), 127638#(<= ULTIMATE.start_main_~i~4 218), 127641#(<= ULTIMATE.start_main_~i~4 224), 127640#(<= ULTIMATE.start_main_~i~4 222), 127643#(<= ULTIMATE.start_main_~i~4 228), 127642#(<= ULTIMATE.start_main_~i~4 226), 127645#(<= ULTIMATE.start_main_~i~4 232), 127644#(<= ULTIMATE.start_main_~i~4 230), 127647#(<= ULTIMATE.start_main_~i~4 236), 127646#(<= ULTIMATE.start_main_~i~4 234), 127649#(<= ULTIMATE.start_main_~i~4 240), 127648#(<= ULTIMATE.start_main_~i~4 238), 127651#(<= ULTIMATE.start_main_~i~4 244), 127650#(<= ULTIMATE.start_main_~i~4 242), 127653#(<= ULTIMATE.start_main_~i~4 248), 127652#(<= ULTIMATE.start_main_~i~4 246), 127655#(<= ULTIMATE.start_main_~i~4 252), 127654#(<= ULTIMATE.start_main_~i~4 250), 127657#(<= ULTIMATE.start_main_~i~4 256), 127656#(<= ULTIMATE.start_main_~i~4 254), 127659#(<= ULTIMATE.start_main_~i~4 260), 127658#(<= ULTIMATE.start_main_~i~4 258), 127661#(<= ULTIMATE.start_main_~i~4 264), 127660#(<= ULTIMATE.start_main_~i~4 262), 127663#(<= ULTIMATE.start_main_~i~4 268), 127662#(<= ULTIMATE.start_main_~i~4 266), 127665#(<= ULTIMATE.start_main_~i~4 272), 127664#(<= ULTIMATE.start_main_~i~4 270), 127667#(<= ULTIMATE.start_main_~i~4 276), 127666#(<= ULTIMATE.start_main_~i~4 274), 127669#(<= ULTIMATE.start_main_~i~4 280), 127668#(<= ULTIMATE.start_main_~i~4 278), 127671#(<= ULTIMATE.start_main_~i~4 284), 127670#(<= ULTIMATE.start_main_~i~4 282), 127673#(<= ULTIMATE.start_main_~i~4 288), 127672#(<= ULTIMATE.start_main_~i~4 286), 127675#(<= ULTIMATE.start_main_~i~4 292), 127674#(<= ULTIMATE.start_main_~i~4 290), 127677#(<= ULTIMATE.start_main_~i~4 296), 127676#(<= ULTIMATE.start_main_~i~4 294), 127679#(<= ULTIMATE.start_main_~i~4 300), 127678#(<= ULTIMATE.start_main_~i~4 298), 127681#(<= ULTIMATE.start_main_~i~4 304), 127680#(<= ULTIMATE.start_main_~i~4 302), 127683#(<= ULTIMATE.start_main_~i~4 308), 127682#(<= ULTIMATE.start_main_~i~4 306), 127685#(<= ULTIMATE.start_main_~i~4 312), 127684#(<= ULTIMATE.start_main_~i~4 310), 127687#(<= ULTIMATE.start_main_~i~4 316), 127686#(<= ULTIMATE.start_main_~i~4 314), 127689#(<= ULTIMATE.start_main_~i~4 320), 127688#(<= ULTIMATE.start_main_~i~4 318), 127691#(<= ULTIMATE.start_main_~i~4 324), 127690#(<= ULTIMATE.start_main_~i~4 322), 127693#(<= ULTIMATE.start_main_~i~4 328), 127692#(<= ULTIMATE.start_main_~i~4 326), 127695#(<= ULTIMATE.start_main_~i~4 332), 127694#(<= ULTIMATE.start_main_~i~4 330), 127697#(<= ULTIMATE.start_main_~i~4 336), 127696#(<= ULTIMATE.start_main_~i~4 334), 127699#(<= ULTIMATE.start_main_~i~4 340), 127698#(<= ULTIMATE.start_main_~i~4 338), 127701#(<= ULTIMATE.start_main_~i~4 344), 127700#(<= ULTIMATE.start_main_~i~4 342), 127703#(<= ULTIMATE.start_main_~i~4 348), 127702#(<= ULTIMATE.start_main_~i~4 346), 127705#(<= ULTIMATE.start_main_~i~4 352), 127704#(<= ULTIMATE.start_main_~i~4 350), 127707#(<= ULTIMATE.start_main_~i~4 356), 127706#(<= ULTIMATE.start_main_~i~4 354), 127709#(<= ULTIMATE.start_main_~i~4 360), 127708#(<= ULTIMATE.start_main_~i~4 358), 127711#(<= ULTIMATE.start_main_~i~4 364), 127710#(<= ULTIMATE.start_main_~i~4 362), 127713#(<= ULTIMATE.start_main_~i~4 368), 127712#(<= ULTIMATE.start_main_~i~4 366), 127715#(<= ULTIMATE.start_main_~i~4 372), 127714#(<= ULTIMATE.start_main_~i~4 370), 127717#(<= ULTIMATE.start_main_~i~4 376), 127716#(<= ULTIMATE.start_main_~i~4 374), 127719#(<= ULTIMATE.start_main_~i~4 380), 127718#(<= ULTIMATE.start_main_~i~4 378), 127721#(<= ULTIMATE.start_main_~i~4 384), 127720#(<= ULTIMATE.start_main_~i~4 382), 127723#(<= ULTIMATE.start_main_~i~4 388), 127722#(<= ULTIMATE.start_main_~i~4 386), 127725#(<= ULTIMATE.start_main_~i~4 392), 127724#(<= ULTIMATE.start_main_~i~4 390), 127727#(<= ULTIMATE.start_main_~i~4 396), 127726#(<= ULTIMATE.start_main_~i~4 394), 127729#(<= ULTIMATE.start_main_~i~4 400), 127728#(<= ULTIMATE.start_main_~i~4 398), 127731#(<= ULTIMATE.start_main_~i~4 404), 127730#(<= ULTIMATE.start_main_~i~4 402), 127733#(<= ULTIMATE.start_main_~i~4 408), 127732#(<= ULTIMATE.start_main_~i~4 406), 127735#(<= ULTIMATE.start_main_~i~4 412), 127734#(<= ULTIMATE.start_main_~i~4 410), 127737#(<= ULTIMATE.start_main_~i~4 416), 127736#(<= ULTIMATE.start_main_~i~4 414), 127739#(<= ULTIMATE.start_main_~i~4 420), 127738#(<= ULTIMATE.start_main_~i~4 418), 127741#(<= ULTIMATE.start_main_~i~4 424), 127740#(<= ULTIMATE.start_main_~i~4 422), 127743#(<= ULTIMATE.start_main_~i~4 428), 127742#(<= ULTIMATE.start_main_~i~4 426), 127745#(<= ULTIMATE.start_main_~i~4 432), 127744#(<= ULTIMATE.start_main_~i~4 430), 127747#(<= ULTIMATE.start_main_~i~4 436), 127746#(<= ULTIMATE.start_main_~i~4 434), 127749#(<= ULTIMATE.start_main_~i~4 440), 127748#(<= ULTIMATE.start_main_~i~4 438), 127750#(<= ULTIMATE.start_main_~i~4 442)] [2018-07-23 13:40:14,481 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 13:40:14,481 INFO L450 AbstractCegarLoop]: Interpolant automaton has 224 states [2018-07-23 13:40:14,484 INFO L132 InterpolantAutomaton]: Constructing interpolant automaton starting with 224 interpolants. [2018-07-23 13:40:14,486 INFO L133 InterpolantAutomaton]: CoverageRelationStatistics Valid=24976, Invalid=24976, Unknown=0, NotChecked=0, Total=49952 [2018-07-23 13:40:14,486 INFO L87 Difference]: Start difference. First operand 225 states and 225 transitions. Second operand 224 states. [2018-07-23 13:40:16,028 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2018-07-23 13:40:16,028 INFO L93 Difference]: Finished difference Result 228 states and 228 transitions. [2018-07-23 13:40:16,029 INFO L142 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 224 states. [2018-07-23 13:40:16,029 INFO L78 Accepts]: Start accepts. Automaton has 224 states. Word has length 224 [2018-07-23 13:40:16,029 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2018-07-23 13:40:16,029 INFO L225 Difference]: With dead ends: 228 [2018-07-23 13:40:16,029 INFO L226 Difference]: Without dead ends: 226 [2018-07-23 13:40:16,032 INFO L575 BasicCegarLoop]: 0 DeclaredPredicates, 223 GetRequests, 1 SyntacticMatches, 0 SemanticMatches, 222 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 0 ImplicationChecksByTransitivity, 1.0s TimeCoverageRelationStatistics Valid=24976, Invalid=24976, Unknown=0, NotChecked=0, Total=49952 [2018-07-23 13:40:16,032 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 226 states. [2018-07-23 13:40:16,034 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 226 to 226. [2018-07-23 13:40:16,034 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 226 states. [2018-07-23 13:40:16,034 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 226 states to 226 states and 226 transitions. [2018-07-23 13:40:16,034 INFO L78 Accepts]: Start accepts. Automaton has 226 states and 226 transitions. Word has length 224 [2018-07-23 13:40:16,035 INFO L84 Accepts]: Finished accepts. word is rejected. [2018-07-23 13:40:16,035 INFO L471 AbstractCegarLoop]: Abstraction has 226 states and 226 transitions. [2018-07-23 13:40:16,035 INFO L472 AbstractCegarLoop]: Interpolant automaton has 224 states. [2018-07-23 13:40:16,035 INFO L276 IsEmpty]: Start isEmpty. Operand 226 states and 226 transitions. [2018-07-23 13:40:16,035 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 226 [2018-07-23 13:40:16,035 INFO L349 BasicCegarLoop]: Found error trace [2018-07-23 13:40:16,035 INFO L357 BasicCegarLoop]: trace histogram [222, 1, 1, 1] [2018-07-23 13:40:16,035 INFO L414 AbstractCegarLoop]: === Iteration 223 === [ULTIMATE.startErr0AssertViolationASSERT]=== [2018-07-23 13:40:16,036 INFO L82 PathProgramCache]: Analyzing trace with hash -1399365023, now seen corresponding path program 222 times [2018-07-23 13:40:16,036 INFO L69 tionRefinementEngine]: Using refinement strategy FixedRefinementStrategy [2018-07-23 13:40:16,296 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-07-23 13:40:17,420 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 13:40:17,420 INFO L309 seRefinementStrategy]: Constructing automaton from 0 perfect and 1 imperfect interpolant sequences. [2018-07-23 13:40:17,420 INFO L324 seRefinementStrategy]: Number of different interpolants: perfect sequences [] imperfect sequences [224] total 224 [2018-07-23 13:40:17,420 INFO L142 lantAutomatonBuilder]: Constructing canonical interpolant automaton, with selfloop in false state [2018-07-23 13:40:17,421 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2018-07-23 13:40:17,421 INFO L185 omatonBuilderFactory]: Interpolants [128659#true, 128661#(<= ULTIMATE.start_main_~i~4 0), 128660#false, 128663#(<= ULTIMATE.start_main_~i~4 4), 128662#(<= ULTIMATE.start_main_~i~4 2), 128665#(<= ULTIMATE.start_main_~i~4 8), 128664#(<= ULTIMATE.start_main_~i~4 6), 128667#(<= ULTIMATE.start_main_~i~4 12), 128666#(<= ULTIMATE.start_main_~i~4 10), 128669#(<= ULTIMATE.start_main_~i~4 16), 128668#(<= ULTIMATE.start_main_~i~4 14), 128671#(<= ULTIMATE.start_main_~i~4 20), 128670#(<= ULTIMATE.start_main_~i~4 18), 128673#(<= ULTIMATE.start_main_~i~4 24), 128672#(<= ULTIMATE.start_main_~i~4 22), 128675#(<= ULTIMATE.start_main_~i~4 28), 128674#(<= ULTIMATE.start_main_~i~4 26), 128677#(<= ULTIMATE.start_main_~i~4 32), 128676#(<= ULTIMATE.start_main_~i~4 30), 128679#(<= ULTIMATE.start_main_~i~4 36), 128678#(<= ULTIMATE.start_main_~i~4 34), 128681#(<= ULTIMATE.start_main_~i~4 40), 128680#(<= ULTIMATE.start_main_~i~4 38), 128683#(<= ULTIMATE.start_main_~i~4 44), 128682#(<= ULTIMATE.start_main_~i~4 42), 128685#(<= ULTIMATE.start_main_~i~4 48), 128684#(<= ULTIMATE.start_main_~i~4 46), 128687#(<= ULTIMATE.start_main_~i~4 52), 128686#(<= ULTIMATE.start_main_~i~4 50), 128689#(<= ULTIMATE.start_main_~i~4 56), 128688#(<= ULTIMATE.start_main_~i~4 54), 128691#(<= ULTIMATE.start_main_~i~4 60), 128690#(<= ULTIMATE.start_main_~i~4 58), 128693#(<= ULTIMATE.start_main_~i~4 64), 128692#(<= ULTIMATE.start_main_~i~4 62), 128695#(<= ULTIMATE.start_main_~i~4 68), 128694#(<= ULTIMATE.start_main_~i~4 66), 128697#(<= ULTIMATE.start_main_~i~4 72), 128696#(<= ULTIMATE.start_main_~i~4 70), 128699#(<= ULTIMATE.start_main_~i~4 76), 128698#(<= ULTIMATE.start_main_~i~4 74), 128701#(<= ULTIMATE.start_main_~i~4 80), 128700#(<= ULTIMATE.start_main_~i~4 78), 128703#(<= ULTIMATE.start_main_~i~4 84), 128702#(<= ULTIMATE.start_main_~i~4 82), 128705#(<= ULTIMATE.start_main_~i~4 88), 128704#(<= ULTIMATE.start_main_~i~4 86), 128707#(<= ULTIMATE.start_main_~i~4 92), 128706#(<= ULTIMATE.start_main_~i~4 90), 128709#(<= ULTIMATE.start_main_~i~4 96), 128708#(<= ULTIMATE.start_main_~i~4 94), 128711#(<= ULTIMATE.start_main_~i~4 100), 128710#(<= ULTIMATE.start_main_~i~4 98), 128713#(<= ULTIMATE.start_main_~i~4 104), 128712#(<= ULTIMATE.start_main_~i~4 102), 128715#(<= ULTIMATE.start_main_~i~4 108), 128714#(<= ULTIMATE.start_main_~i~4 106), 128717#(<= ULTIMATE.start_main_~i~4 112), 128716#(<= ULTIMATE.start_main_~i~4 110), 128719#(<= ULTIMATE.start_main_~i~4 116), 128718#(<= ULTIMATE.start_main_~i~4 114), 128721#(<= ULTIMATE.start_main_~i~4 120), 128720#(<= ULTIMATE.start_main_~i~4 118), 128723#(<= ULTIMATE.start_main_~i~4 124), 128722#(<= ULTIMATE.start_main_~i~4 122), 128725#(<= ULTIMATE.start_main_~i~4 128), 128724#(<= ULTIMATE.start_main_~i~4 126), 128727#(<= ULTIMATE.start_main_~i~4 132), 128726#(<= ULTIMATE.start_main_~i~4 130), 128729#(<= ULTIMATE.start_main_~i~4 136), 128728#(<= ULTIMATE.start_main_~i~4 134), 128731#(<= ULTIMATE.start_main_~i~4 140), 128730#(<= ULTIMATE.start_main_~i~4 138), 128733#(<= ULTIMATE.start_main_~i~4 144), 128732#(<= ULTIMATE.start_main_~i~4 142), 128735#(<= ULTIMATE.start_main_~i~4 148), 128734#(<= ULTIMATE.start_main_~i~4 146), 128737#(<= ULTIMATE.start_main_~i~4 152), 128736#(<= ULTIMATE.start_main_~i~4 150), 128739#(<= ULTIMATE.start_main_~i~4 156), 128738#(<= ULTIMATE.start_main_~i~4 154), 128741#(<= ULTIMATE.start_main_~i~4 160), 128740#(<= ULTIMATE.start_main_~i~4 158), 128743#(<= ULTIMATE.start_main_~i~4 164), 128742#(<= ULTIMATE.start_main_~i~4 162), 128745#(<= ULTIMATE.start_main_~i~4 168), 128744#(<= ULTIMATE.start_main_~i~4 166), 128747#(<= ULTIMATE.start_main_~i~4 172), 128746#(<= ULTIMATE.start_main_~i~4 170), 128749#(<= ULTIMATE.start_main_~i~4 176), 128748#(<= ULTIMATE.start_main_~i~4 174), 128751#(<= ULTIMATE.start_main_~i~4 180), 128750#(<= ULTIMATE.start_main_~i~4 178), 128753#(<= ULTIMATE.start_main_~i~4 184), 128752#(<= ULTIMATE.start_main_~i~4 182), 128755#(<= ULTIMATE.start_main_~i~4 188), 128754#(<= ULTIMATE.start_main_~i~4 186), 128757#(<= ULTIMATE.start_main_~i~4 192), 128756#(<= ULTIMATE.start_main_~i~4 190), 128759#(<= ULTIMATE.start_main_~i~4 196), 128758#(<= ULTIMATE.start_main_~i~4 194), 128761#(<= ULTIMATE.start_main_~i~4 200), 128760#(<= ULTIMATE.start_main_~i~4 198), 128763#(<= ULTIMATE.start_main_~i~4 204), 128762#(<= ULTIMATE.start_main_~i~4 202), 128765#(<= ULTIMATE.start_main_~i~4 208), 128764#(<= ULTIMATE.start_main_~i~4 206), 128767#(<= ULTIMATE.start_main_~i~4 212), 128766#(<= ULTIMATE.start_main_~i~4 210), 128769#(<= ULTIMATE.start_main_~i~4 216), 128768#(<= ULTIMATE.start_main_~i~4 214), 128771#(<= ULTIMATE.start_main_~i~4 220), 128770#(<= ULTIMATE.start_main_~i~4 218), 128773#(<= ULTIMATE.start_main_~i~4 224), 128772#(<= ULTIMATE.start_main_~i~4 222), 128775#(<= ULTIMATE.start_main_~i~4 228), 128774#(<= ULTIMATE.start_main_~i~4 226), 128777#(<= ULTIMATE.start_main_~i~4 232), 128776#(<= ULTIMATE.start_main_~i~4 230), 128779#(<= ULTIMATE.start_main_~i~4 236), 128778#(<= ULTIMATE.start_main_~i~4 234), 128781#(<= ULTIMATE.start_main_~i~4 240), 128780#(<= ULTIMATE.start_main_~i~4 238), 128783#(<= ULTIMATE.start_main_~i~4 244), 128782#(<= ULTIMATE.start_main_~i~4 242), 128785#(<= ULTIMATE.start_main_~i~4 248), 128784#(<= ULTIMATE.start_main_~i~4 246), 128787#(<= ULTIMATE.start_main_~i~4 252), 128786#(<= ULTIMATE.start_main_~i~4 250), 128789#(<= ULTIMATE.start_main_~i~4 256), 128788#(<= ULTIMATE.start_main_~i~4 254), 128791#(<= ULTIMATE.start_main_~i~4 260), 128790#(<= ULTIMATE.start_main_~i~4 258), 128793#(<= ULTIMATE.start_main_~i~4 264), 128792#(<= ULTIMATE.start_main_~i~4 262), 128795#(<= ULTIMATE.start_main_~i~4 268), 128794#(<= ULTIMATE.start_main_~i~4 266), 128797#(<= ULTIMATE.start_main_~i~4 272), 128796#(<= ULTIMATE.start_main_~i~4 270), 128799#(<= ULTIMATE.start_main_~i~4 276), 128798#(<= ULTIMATE.start_main_~i~4 274), 128801#(<= ULTIMATE.start_main_~i~4 280), 128800#(<= ULTIMATE.start_main_~i~4 278), 128803#(<= ULTIMATE.start_main_~i~4 284), 128802#(<= ULTIMATE.start_main_~i~4 282), 128805#(<= ULTIMATE.start_main_~i~4 288), 128804#(<= ULTIMATE.start_main_~i~4 286), 128807#(<= ULTIMATE.start_main_~i~4 292), 128806#(<= ULTIMATE.start_main_~i~4 290), 128809#(<= ULTIMATE.start_main_~i~4 296), 128808#(<= ULTIMATE.start_main_~i~4 294), 128811#(<= ULTIMATE.start_main_~i~4 300), 128810#(<= ULTIMATE.start_main_~i~4 298), 128813#(<= ULTIMATE.start_main_~i~4 304), 128812#(<= ULTIMATE.start_main_~i~4 302), 128815#(<= ULTIMATE.start_main_~i~4 308), 128814#(<= ULTIMATE.start_main_~i~4 306), 128817#(<= ULTIMATE.start_main_~i~4 312), 128816#(<= ULTIMATE.start_main_~i~4 310), 128819#(<= ULTIMATE.start_main_~i~4 316), 128818#(<= ULTIMATE.start_main_~i~4 314), 128821#(<= ULTIMATE.start_main_~i~4 320), 128820#(<= ULTIMATE.start_main_~i~4 318), 128823#(<= ULTIMATE.start_main_~i~4 324), 128822#(<= ULTIMATE.start_main_~i~4 322), 128825#(<= ULTIMATE.start_main_~i~4 328), 128824#(<= ULTIMATE.start_main_~i~4 326), 128827#(<= ULTIMATE.start_main_~i~4 332), 128826#(<= ULTIMATE.start_main_~i~4 330), 128829#(<= ULTIMATE.start_main_~i~4 336), 128828#(<= ULTIMATE.start_main_~i~4 334), 128831#(<= ULTIMATE.start_main_~i~4 340), 128830#(<= ULTIMATE.start_main_~i~4 338), 128833#(<= ULTIMATE.start_main_~i~4 344), 128832#(<= ULTIMATE.start_main_~i~4 342), 128835#(<= ULTIMATE.start_main_~i~4 348), 128834#(<= ULTIMATE.start_main_~i~4 346), 128837#(<= ULTIMATE.start_main_~i~4 352), 128836#(<= ULTIMATE.start_main_~i~4 350), 128839#(<= ULTIMATE.start_main_~i~4 356), 128838#(<= ULTIMATE.start_main_~i~4 354), 128841#(<= ULTIMATE.start_main_~i~4 360), 128840#(<= ULTIMATE.start_main_~i~4 358), 128843#(<= ULTIMATE.start_main_~i~4 364), 128842#(<= ULTIMATE.start_main_~i~4 362), 128845#(<= ULTIMATE.start_main_~i~4 368), 128844#(<= ULTIMATE.start_main_~i~4 366), 128847#(<= ULTIMATE.start_main_~i~4 372), 128846#(<= ULTIMATE.start_main_~i~4 370), 128849#(<= ULTIMATE.start_main_~i~4 376), 128848#(<= ULTIMATE.start_main_~i~4 374), 128851#(<= ULTIMATE.start_main_~i~4 380), 128850#(<= ULTIMATE.start_main_~i~4 378), 128853#(<= ULTIMATE.start_main_~i~4 384), 128852#(<= ULTIMATE.start_main_~i~4 382), 128855#(<= ULTIMATE.start_main_~i~4 388), 128854#(<= ULTIMATE.start_main_~i~4 386), 128857#(<= ULTIMATE.start_main_~i~4 392), 128856#(<= ULTIMATE.start_main_~i~4 390), 128859#(<= ULTIMATE.start_main_~i~4 396), 128858#(<= ULTIMATE.start_main_~i~4 394), 128861#(<= ULTIMATE.start_main_~i~4 400), 128860#(<= ULTIMATE.start_main_~i~4 398), 128863#(<= ULTIMATE.start_main_~i~4 404), 128862#(<= ULTIMATE.start_main_~i~4 402), 128865#(<= ULTIMATE.start_main_~i~4 408), 128864#(<= ULTIMATE.start_main_~i~4 406), 128867#(<= ULTIMATE.start_main_~i~4 412), 128866#(<= ULTIMATE.start_main_~i~4 410), 128869#(<= ULTIMATE.start_main_~i~4 416), 128868#(<= ULTIMATE.start_main_~i~4 414), 128871#(<= ULTIMATE.start_main_~i~4 420), 128870#(<= ULTIMATE.start_main_~i~4 418), 128873#(<= ULTIMATE.start_main_~i~4 424), 128872#(<= ULTIMATE.start_main_~i~4 422), 128875#(<= ULTIMATE.start_main_~i~4 428), 128874#(<= ULTIMATE.start_main_~i~4 426), 128877#(<= ULTIMATE.start_main_~i~4 432), 128876#(<= ULTIMATE.start_main_~i~4 430), 128879#(<= ULTIMATE.start_main_~i~4 436), 128878#(<= ULTIMATE.start_main_~i~4 434), 128881#(<= ULTIMATE.start_main_~i~4 440), 128880#(<= ULTIMATE.start_main_~i~4 438), 128883#(<= ULTIMATE.start_main_~i~4 444), 128882#(<= ULTIMATE.start_main_~i~4 442)] [2018-07-23 13:40:17,423 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 13:40:17,423 INFO L450 AbstractCegarLoop]: Interpolant automaton has 225 states [2018-07-23 13:40:17,426 INFO L132 InterpolantAutomaton]: Constructing interpolant automaton starting with 225 interpolants. [2018-07-23 13:40:17,427 INFO L133 InterpolantAutomaton]: CoverageRelationStatistics Valid=25200, Invalid=25200, Unknown=0, NotChecked=0, Total=50400 [2018-07-23 13:40:17,428 INFO L87 Difference]: Start difference. First operand 226 states and 226 transitions. Second operand 225 states. [2018-07-23 13:40:18,332 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2018-07-23 13:40:18,332 INFO L93 Difference]: Finished difference Result 229 states and 229 transitions. [2018-07-23 13:40:18,332 INFO L142 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 225 states. [2018-07-23 13:40:18,332 INFO L78 Accepts]: Start accepts. Automaton has 225 states. Word has length 225 [2018-07-23 13:40:18,332 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2018-07-23 13:40:18,333 INFO L225 Difference]: With dead ends: 229 [2018-07-23 13:40:18,333 INFO L226 Difference]: Without dead ends: 227 [2018-07-23 13:40:18,335 INFO L575 BasicCegarLoop]: 0 DeclaredPredicates, 224 GetRequests, 1 SyntacticMatches, 0 SemanticMatches, 223 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 0 ImplicationChecksByTransitivity, 1.0s TimeCoverageRelationStatistics Valid=25200, Invalid=25200, Unknown=0, NotChecked=0, Total=50400 [2018-07-23 13:40:18,335 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 227 states. [2018-07-23 13:40:18,337 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 227 to 227. [2018-07-23 13:40:18,337 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 227 states. [2018-07-23 13:40:18,337 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 227 states to 227 states and 227 transitions. [2018-07-23 13:40:18,337 INFO L78 Accepts]: Start accepts. Automaton has 227 states and 227 transitions. Word has length 225 [2018-07-23 13:40:18,337 INFO L84 Accepts]: Finished accepts. word is rejected. [2018-07-23 13:40:18,337 INFO L471 AbstractCegarLoop]: Abstraction has 227 states and 227 transitions. [2018-07-23 13:40:18,338 INFO L472 AbstractCegarLoop]: Interpolant automaton has 225 states. [2018-07-23 13:40:18,338 INFO L276 IsEmpty]: Start isEmpty. Operand 227 states and 227 transitions. [2018-07-23 13:40:18,338 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 227 [2018-07-23 13:40:18,338 INFO L349 BasicCegarLoop]: Found error trace [2018-07-23 13:40:18,338 INFO L357 BasicCegarLoop]: trace histogram [223, 1, 1, 1] [2018-07-23 13:40:18,338 INFO L414 AbstractCegarLoop]: === Iteration 224 === [ULTIMATE.startErr0AssertViolationASSERT]=== [2018-07-23 13:40:18,338 INFO L82 PathProgramCache]: Analyzing trace with hash -430644728, now seen corresponding path program 223 times [2018-07-23 13:40:18,339 INFO L69 tionRefinementEngine]: Using refinement strategy FixedRefinementStrategy [2018-07-23 13:40:18,609 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-07-23 13:40:19,695 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 13:40:19,695 INFO L309 seRefinementStrategy]: Constructing automaton from 0 perfect and 1 imperfect interpolant sequences. [2018-07-23 13:40:19,695 INFO L324 seRefinementStrategy]: Number of different interpolants: perfect sequences [] imperfect sequences [225] total 225 [2018-07-23 13:40:19,696 INFO L142 lantAutomatonBuilder]: Constructing canonical interpolant automaton, with selfloop in false state [2018-07-23 13:40:19,696 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 13:40:19,696 INFO L185 omatonBuilderFactory]: Interpolants [129797#false, 129796#true, 129799#(<= ULTIMATE.start_main_~i~4 2), 129798#(<= ULTIMATE.start_main_~i~4 0), 129801#(<= ULTIMATE.start_main_~i~4 6), 129800#(<= ULTIMATE.start_main_~i~4 4), 129803#(<= ULTIMATE.start_main_~i~4 10), 129802#(<= ULTIMATE.start_main_~i~4 8), 129805#(<= ULTIMATE.start_main_~i~4 14), 129804#(<= ULTIMATE.start_main_~i~4 12), 129807#(<= ULTIMATE.start_main_~i~4 18), 129806#(<= ULTIMATE.start_main_~i~4 16), 129809#(<= ULTIMATE.start_main_~i~4 22), 129808#(<= ULTIMATE.start_main_~i~4 20), 129811#(<= ULTIMATE.start_main_~i~4 26), 129810#(<= ULTIMATE.start_main_~i~4 24), 129813#(<= ULTIMATE.start_main_~i~4 30), 129812#(<= ULTIMATE.start_main_~i~4 28), 129815#(<= ULTIMATE.start_main_~i~4 34), 129814#(<= ULTIMATE.start_main_~i~4 32), 129817#(<= ULTIMATE.start_main_~i~4 38), 129816#(<= ULTIMATE.start_main_~i~4 36), 129819#(<= ULTIMATE.start_main_~i~4 42), 129818#(<= ULTIMATE.start_main_~i~4 40), 129821#(<= ULTIMATE.start_main_~i~4 46), 129820#(<= ULTIMATE.start_main_~i~4 44), 129823#(<= ULTIMATE.start_main_~i~4 50), 129822#(<= ULTIMATE.start_main_~i~4 48), 129825#(<= ULTIMATE.start_main_~i~4 54), 129824#(<= ULTIMATE.start_main_~i~4 52), 129827#(<= ULTIMATE.start_main_~i~4 58), 129826#(<= ULTIMATE.start_main_~i~4 56), 129829#(<= ULTIMATE.start_main_~i~4 62), 129828#(<= ULTIMATE.start_main_~i~4 60), 129831#(<= ULTIMATE.start_main_~i~4 66), 129830#(<= ULTIMATE.start_main_~i~4 64), 129833#(<= ULTIMATE.start_main_~i~4 70), 129832#(<= ULTIMATE.start_main_~i~4 68), 129835#(<= ULTIMATE.start_main_~i~4 74), 129834#(<= ULTIMATE.start_main_~i~4 72), 129837#(<= ULTIMATE.start_main_~i~4 78), 129836#(<= ULTIMATE.start_main_~i~4 76), 129839#(<= ULTIMATE.start_main_~i~4 82), 129838#(<= ULTIMATE.start_main_~i~4 80), 129841#(<= ULTIMATE.start_main_~i~4 86), 129840#(<= ULTIMATE.start_main_~i~4 84), 129843#(<= ULTIMATE.start_main_~i~4 90), 129842#(<= ULTIMATE.start_main_~i~4 88), 129845#(<= ULTIMATE.start_main_~i~4 94), 129844#(<= ULTIMATE.start_main_~i~4 92), 129847#(<= ULTIMATE.start_main_~i~4 98), 129846#(<= ULTIMATE.start_main_~i~4 96), 129849#(<= ULTIMATE.start_main_~i~4 102), 129848#(<= ULTIMATE.start_main_~i~4 100), 129851#(<= ULTIMATE.start_main_~i~4 106), 129850#(<= ULTIMATE.start_main_~i~4 104), 129853#(<= ULTIMATE.start_main_~i~4 110), 129852#(<= ULTIMATE.start_main_~i~4 108), 129855#(<= ULTIMATE.start_main_~i~4 114), 129854#(<= ULTIMATE.start_main_~i~4 112), 129857#(<= ULTIMATE.start_main_~i~4 118), 129856#(<= ULTIMATE.start_main_~i~4 116), 129859#(<= ULTIMATE.start_main_~i~4 122), 129858#(<= ULTIMATE.start_main_~i~4 120), 129861#(<= ULTIMATE.start_main_~i~4 126), 129860#(<= ULTIMATE.start_main_~i~4 124), 129863#(<= ULTIMATE.start_main_~i~4 130), 129862#(<= ULTIMATE.start_main_~i~4 128), 129865#(<= ULTIMATE.start_main_~i~4 134), 129864#(<= ULTIMATE.start_main_~i~4 132), 129867#(<= ULTIMATE.start_main_~i~4 138), 129866#(<= ULTIMATE.start_main_~i~4 136), 129869#(<= ULTIMATE.start_main_~i~4 142), 129868#(<= ULTIMATE.start_main_~i~4 140), 129871#(<= ULTIMATE.start_main_~i~4 146), 129870#(<= ULTIMATE.start_main_~i~4 144), 129873#(<= ULTIMATE.start_main_~i~4 150), 129872#(<= ULTIMATE.start_main_~i~4 148), 129875#(<= ULTIMATE.start_main_~i~4 154), 129874#(<= ULTIMATE.start_main_~i~4 152), 129877#(<= ULTIMATE.start_main_~i~4 158), 129876#(<= ULTIMATE.start_main_~i~4 156), 129879#(<= ULTIMATE.start_main_~i~4 162), 129878#(<= ULTIMATE.start_main_~i~4 160), 129881#(<= ULTIMATE.start_main_~i~4 166), 129880#(<= ULTIMATE.start_main_~i~4 164), 129883#(<= ULTIMATE.start_main_~i~4 170), 129882#(<= ULTIMATE.start_main_~i~4 168), 129885#(<= ULTIMATE.start_main_~i~4 174), 129884#(<= ULTIMATE.start_main_~i~4 172), 129887#(<= ULTIMATE.start_main_~i~4 178), 129886#(<= ULTIMATE.start_main_~i~4 176), 129889#(<= ULTIMATE.start_main_~i~4 182), 129888#(<= ULTIMATE.start_main_~i~4 180), 129891#(<= ULTIMATE.start_main_~i~4 186), 129890#(<= ULTIMATE.start_main_~i~4 184), 129893#(<= ULTIMATE.start_main_~i~4 190), 129892#(<= ULTIMATE.start_main_~i~4 188), 129895#(<= ULTIMATE.start_main_~i~4 194), 129894#(<= ULTIMATE.start_main_~i~4 192), 129897#(<= ULTIMATE.start_main_~i~4 198), 129896#(<= ULTIMATE.start_main_~i~4 196), 129899#(<= ULTIMATE.start_main_~i~4 202), 129898#(<= ULTIMATE.start_main_~i~4 200), 129901#(<= ULTIMATE.start_main_~i~4 206), 129900#(<= ULTIMATE.start_main_~i~4 204), 129903#(<= ULTIMATE.start_main_~i~4 210), 129902#(<= ULTIMATE.start_main_~i~4 208), 129905#(<= ULTIMATE.start_main_~i~4 214), 129904#(<= ULTIMATE.start_main_~i~4 212), 129907#(<= ULTIMATE.start_main_~i~4 218), 129906#(<= ULTIMATE.start_main_~i~4 216), 129909#(<= ULTIMATE.start_main_~i~4 222), 129908#(<= ULTIMATE.start_main_~i~4 220), 129911#(<= ULTIMATE.start_main_~i~4 226), 129910#(<= ULTIMATE.start_main_~i~4 224), 129913#(<= ULTIMATE.start_main_~i~4 230), 129912#(<= ULTIMATE.start_main_~i~4 228), 129915#(<= ULTIMATE.start_main_~i~4 234), 129914#(<= ULTIMATE.start_main_~i~4 232), 129917#(<= ULTIMATE.start_main_~i~4 238), 129916#(<= ULTIMATE.start_main_~i~4 236), 129919#(<= ULTIMATE.start_main_~i~4 242), 129918#(<= ULTIMATE.start_main_~i~4 240), 129921#(<= ULTIMATE.start_main_~i~4 246), 129920#(<= ULTIMATE.start_main_~i~4 244), 129923#(<= ULTIMATE.start_main_~i~4 250), 129922#(<= ULTIMATE.start_main_~i~4 248), 129925#(<= ULTIMATE.start_main_~i~4 254), 129924#(<= ULTIMATE.start_main_~i~4 252), 129927#(<= ULTIMATE.start_main_~i~4 258), 129926#(<= ULTIMATE.start_main_~i~4 256), 129929#(<= ULTIMATE.start_main_~i~4 262), 129928#(<= ULTIMATE.start_main_~i~4 260), 129931#(<= ULTIMATE.start_main_~i~4 266), 129930#(<= ULTIMATE.start_main_~i~4 264), 129933#(<= ULTIMATE.start_main_~i~4 270), 129932#(<= ULTIMATE.start_main_~i~4 268), 129935#(<= ULTIMATE.start_main_~i~4 274), 129934#(<= ULTIMATE.start_main_~i~4 272), 129937#(<= ULTIMATE.start_main_~i~4 278), 129936#(<= ULTIMATE.start_main_~i~4 276), 129939#(<= ULTIMATE.start_main_~i~4 282), 129938#(<= ULTIMATE.start_main_~i~4 280), 129941#(<= ULTIMATE.start_main_~i~4 286), 129940#(<= ULTIMATE.start_main_~i~4 284), 129943#(<= ULTIMATE.start_main_~i~4 290), 129942#(<= ULTIMATE.start_main_~i~4 288), 129945#(<= ULTIMATE.start_main_~i~4 294), 129944#(<= ULTIMATE.start_main_~i~4 292), 129947#(<= ULTIMATE.start_main_~i~4 298), 129946#(<= ULTIMATE.start_main_~i~4 296), 129949#(<= ULTIMATE.start_main_~i~4 302), 129948#(<= ULTIMATE.start_main_~i~4 300), 129951#(<= ULTIMATE.start_main_~i~4 306), 129950#(<= ULTIMATE.start_main_~i~4 304), 129953#(<= ULTIMATE.start_main_~i~4 310), 129952#(<= ULTIMATE.start_main_~i~4 308), 129955#(<= ULTIMATE.start_main_~i~4 314), 129954#(<= ULTIMATE.start_main_~i~4 312), 129957#(<= ULTIMATE.start_main_~i~4 318), 129956#(<= ULTIMATE.start_main_~i~4 316), 129959#(<= ULTIMATE.start_main_~i~4 322), 129958#(<= ULTIMATE.start_main_~i~4 320), 129961#(<= ULTIMATE.start_main_~i~4 326), 129960#(<= ULTIMATE.start_main_~i~4 324), 129963#(<= ULTIMATE.start_main_~i~4 330), 129962#(<= ULTIMATE.start_main_~i~4 328), 129965#(<= ULTIMATE.start_main_~i~4 334), 129964#(<= ULTIMATE.start_main_~i~4 332), 129967#(<= ULTIMATE.start_main_~i~4 338), 129966#(<= ULTIMATE.start_main_~i~4 336), 129969#(<= ULTIMATE.start_main_~i~4 342), 129968#(<= ULTIMATE.start_main_~i~4 340), 129971#(<= ULTIMATE.start_main_~i~4 346), 129970#(<= ULTIMATE.start_main_~i~4 344), 129973#(<= ULTIMATE.start_main_~i~4 350), 129972#(<= ULTIMATE.start_main_~i~4 348), 129975#(<= ULTIMATE.start_main_~i~4 354), 129974#(<= ULTIMATE.start_main_~i~4 352), 129977#(<= ULTIMATE.start_main_~i~4 358), 129976#(<= ULTIMATE.start_main_~i~4 356), 129979#(<= ULTIMATE.start_main_~i~4 362), 129978#(<= ULTIMATE.start_main_~i~4 360), 129981#(<= ULTIMATE.start_main_~i~4 366), 129980#(<= ULTIMATE.start_main_~i~4 364), 129983#(<= ULTIMATE.start_main_~i~4 370), 129982#(<= ULTIMATE.start_main_~i~4 368), 129985#(<= ULTIMATE.start_main_~i~4 374), 129984#(<= ULTIMATE.start_main_~i~4 372), 129987#(<= ULTIMATE.start_main_~i~4 378), 129986#(<= ULTIMATE.start_main_~i~4 376), 129989#(<= ULTIMATE.start_main_~i~4 382), 129988#(<= ULTIMATE.start_main_~i~4 380), 129991#(<= ULTIMATE.start_main_~i~4 386), 129990#(<= ULTIMATE.start_main_~i~4 384), 129993#(<= ULTIMATE.start_main_~i~4 390), 129992#(<= ULTIMATE.start_main_~i~4 388), 129995#(<= ULTIMATE.start_main_~i~4 394), 129994#(<= ULTIMATE.start_main_~i~4 392), 129997#(<= ULTIMATE.start_main_~i~4 398), 129996#(<= ULTIMATE.start_main_~i~4 396), 129999#(<= ULTIMATE.start_main_~i~4 402), 129998#(<= ULTIMATE.start_main_~i~4 400), 130001#(<= ULTIMATE.start_main_~i~4 406), 130000#(<= ULTIMATE.start_main_~i~4 404), 130003#(<= ULTIMATE.start_main_~i~4 410), 130002#(<= ULTIMATE.start_main_~i~4 408), 130005#(<= ULTIMATE.start_main_~i~4 414), 130004#(<= ULTIMATE.start_main_~i~4 412), 130007#(<= ULTIMATE.start_main_~i~4 418), 130006#(<= ULTIMATE.start_main_~i~4 416), 130009#(<= ULTIMATE.start_main_~i~4 422), 130008#(<= ULTIMATE.start_main_~i~4 420), 130011#(<= ULTIMATE.start_main_~i~4 426), 130010#(<= ULTIMATE.start_main_~i~4 424), 130013#(<= ULTIMATE.start_main_~i~4 430), 130012#(<= ULTIMATE.start_main_~i~4 428), 130015#(<= ULTIMATE.start_main_~i~4 434), 130014#(<= ULTIMATE.start_main_~i~4 432), 130017#(<= ULTIMATE.start_main_~i~4 438), 130016#(<= ULTIMATE.start_main_~i~4 436), 130019#(<= ULTIMATE.start_main_~i~4 442), 130018#(<= ULTIMATE.start_main_~i~4 440), 130021#(<= ULTIMATE.start_main_~i~4 446), 130020#(<= ULTIMATE.start_main_~i~4 444)] [2018-07-23 13:40:19,697 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 13:40:19,698 INFO L450 AbstractCegarLoop]: Interpolant automaton has 226 states [2018-07-23 13:40:19,701 INFO L132 InterpolantAutomaton]: Constructing interpolant automaton starting with 226 interpolants. [2018-07-23 13:40:19,703 INFO L133 InterpolantAutomaton]: CoverageRelationStatistics Valid=25425, Invalid=25425, Unknown=0, NotChecked=0, Total=50850 [2018-07-23 13:40:19,703 INFO L87 Difference]: Start difference. First operand 227 states and 227 transitions. Second operand 226 states. [2018-07-23 13:40:21,350 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2018-07-23 13:40:21,350 INFO L93 Difference]: Finished difference Result 230 states and 230 transitions. [2018-07-23 13:40:21,350 INFO L142 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 226 states. [2018-07-23 13:40:21,350 INFO L78 Accepts]: Start accepts. Automaton has 226 states. Word has length 226 [2018-07-23 13:40:21,351 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2018-07-23 13:40:21,351 INFO L225 Difference]: With dead ends: 230 [2018-07-23 13:40:21,351 INFO L226 Difference]: Without dead ends: 228 [2018-07-23 13:40:21,353 INFO L575 BasicCegarLoop]: 0 DeclaredPredicates, 225 GetRequests, 1 SyntacticMatches, 0 SemanticMatches, 224 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 0 ImplicationChecksByTransitivity, 1.0s TimeCoverageRelationStatistics Valid=25425, Invalid=25425, Unknown=0, NotChecked=0, Total=50850 [2018-07-23 13:40:21,353 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 228 states. [2018-07-23 13:40:21,355 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 228 to 228. [2018-07-23 13:40:21,355 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 228 states. [2018-07-23 13:40:21,355 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 228 states to 228 states and 228 transitions. [2018-07-23 13:40:21,356 INFO L78 Accepts]: Start accepts. Automaton has 228 states and 228 transitions. Word has length 226 [2018-07-23 13:40:21,356 INFO L84 Accepts]: Finished accepts. word is rejected. [2018-07-23 13:40:21,356 INFO L471 AbstractCegarLoop]: Abstraction has 228 states and 228 transitions. [2018-07-23 13:40:21,356 INFO L472 AbstractCegarLoop]: Interpolant automaton has 226 states. [2018-07-23 13:40:21,356 INFO L276 IsEmpty]: Start isEmpty. Operand 228 states and 228 transitions. [2018-07-23 13:40:21,356 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 228 [2018-07-23 13:40:21,356 INFO L349 BasicCegarLoop]: Found error trace [2018-07-23 13:40:21,357 INFO L357 BasicCegarLoop]: trace histogram [224, 1, 1, 1] [2018-07-23 13:40:21,357 INFO L414 AbstractCegarLoop]: === Iteration 225 === [ULTIMATE.startErr0AssertViolationASSERT]=== [2018-07-23 13:40:21,357 INFO L82 PathProgramCache]: Analyzing trace with hash -465086655, now seen corresponding path program 224 times [2018-07-23 13:40:21,357 INFO L69 tionRefinementEngine]: Using refinement strategy FixedRefinementStrategy [2018-07-23 13:40:21,630 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-07-23 13:40:22,801 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 13:40:22,802 INFO L309 seRefinementStrategy]: Constructing automaton from 0 perfect and 1 imperfect interpolant sequences. [2018-07-23 13:40:22,802 INFO L324 seRefinementStrategy]: Number of different interpolants: perfect sequences [] imperfect sequences [226] total 226 [2018-07-23 13:40:22,802 INFO L142 lantAutomatonBuilder]: Constructing canonical interpolant automaton, with selfloop in false state [2018-07-23 13:40:22,802 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2018-07-23 13:40:22,802 INFO L185 omatonBuilderFactory]: Interpolants [131074#(<= ULTIMATE.start_main_~i~4 268), 131075#(<= ULTIMATE.start_main_~i~4 270), 131072#(<= ULTIMATE.start_main_~i~4 264), 131073#(<= ULTIMATE.start_main_~i~4 266), 131078#(<= ULTIMATE.start_main_~i~4 276), 131079#(<= ULTIMATE.start_main_~i~4 278), 131076#(<= ULTIMATE.start_main_~i~4 272), 131077#(<= ULTIMATE.start_main_~i~4 274), 131082#(<= ULTIMATE.start_main_~i~4 284), 131083#(<= ULTIMATE.start_main_~i~4 286), 131080#(<= ULTIMATE.start_main_~i~4 280), 131081#(<= ULTIMATE.start_main_~i~4 282), 131086#(<= ULTIMATE.start_main_~i~4 292), 131087#(<= ULTIMATE.start_main_~i~4 294), 131084#(<= ULTIMATE.start_main_~i~4 288), 131085#(<= ULTIMATE.start_main_~i~4 290), 131090#(<= ULTIMATE.start_main_~i~4 300), 131091#(<= ULTIMATE.start_main_~i~4 302), 131088#(<= ULTIMATE.start_main_~i~4 296), 131089#(<= ULTIMATE.start_main_~i~4 298), 131094#(<= ULTIMATE.start_main_~i~4 308), 131095#(<= ULTIMATE.start_main_~i~4 310), 131092#(<= ULTIMATE.start_main_~i~4 304), 131093#(<= ULTIMATE.start_main_~i~4 306), 131098#(<= ULTIMATE.start_main_~i~4 316), 131099#(<= ULTIMATE.start_main_~i~4 318), 131096#(<= ULTIMATE.start_main_~i~4 312), 131097#(<= ULTIMATE.start_main_~i~4 314), 131102#(<= ULTIMATE.start_main_~i~4 324), 131103#(<= ULTIMATE.start_main_~i~4 326), 131100#(<= ULTIMATE.start_main_~i~4 320), 131101#(<= ULTIMATE.start_main_~i~4 322), 131106#(<= ULTIMATE.start_main_~i~4 332), 131107#(<= ULTIMATE.start_main_~i~4 334), 131104#(<= ULTIMATE.start_main_~i~4 328), 131105#(<= ULTIMATE.start_main_~i~4 330), 131110#(<= ULTIMATE.start_main_~i~4 340), 131111#(<= ULTIMATE.start_main_~i~4 342), 131108#(<= ULTIMATE.start_main_~i~4 336), 131109#(<= ULTIMATE.start_main_~i~4 338), 131114#(<= ULTIMATE.start_main_~i~4 348), 131115#(<= ULTIMATE.start_main_~i~4 350), 131112#(<= ULTIMATE.start_main_~i~4 344), 131113#(<= ULTIMATE.start_main_~i~4 346), 131118#(<= ULTIMATE.start_main_~i~4 356), 131119#(<= ULTIMATE.start_main_~i~4 358), 131116#(<= ULTIMATE.start_main_~i~4 352), 131117#(<= ULTIMATE.start_main_~i~4 354), 131122#(<= ULTIMATE.start_main_~i~4 364), 131123#(<= ULTIMATE.start_main_~i~4 366), 131120#(<= ULTIMATE.start_main_~i~4 360), 131121#(<= ULTIMATE.start_main_~i~4 362), 131126#(<= ULTIMATE.start_main_~i~4 372), 131127#(<= ULTIMATE.start_main_~i~4 374), 131124#(<= ULTIMATE.start_main_~i~4 368), 131125#(<= ULTIMATE.start_main_~i~4 370), 131130#(<= ULTIMATE.start_main_~i~4 380), 131131#(<= ULTIMATE.start_main_~i~4 382), 131128#(<= ULTIMATE.start_main_~i~4 376), 131129#(<= ULTIMATE.start_main_~i~4 378), 131134#(<= ULTIMATE.start_main_~i~4 388), 131135#(<= ULTIMATE.start_main_~i~4 390), 131132#(<= ULTIMATE.start_main_~i~4 384), 131133#(<= ULTIMATE.start_main_~i~4 386), 131138#(<= ULTIMATE.start_main_~i~4 396), 131139#(<= ULTIMATE.start_main_~i~4 398), 131136#(<= ULTIMATE.start_main_~i~4 392), 131137#(<= ULTIMATE.start_main_~i~4 394), 131142#(<= ULTIMATE.start_main_~i~4 404), 131143#(<= ULTIMATE.start_main_~i~4 406), 131140#(<= ULTIMATE.start_main_~i~4 400), 131141#(<= ULTIMATE.start_main_~i~4 402), 131146#(<= ULTIMATE.start_main_~i~4 412), 131147#(<= ULTIMATE.start_main_~i~4 414), 131144#(<= ULTIMATE.start_main_~i~4 408), 131145#(<= ULTIMATE.start_main_~i~4 410), 131150#(<= ULTIMATE.start_main_~i~4 420), 131151#(<= ULTIMATE.start_main_~i~4 422), 131148#(<= ULTIMATE.start_main_~i~4 416), 131149#(<= ULTIMATE.start_main_~i~4 418), 131154#(<= ULTIMATE.start_main_~i~4 428), 131155#(<= ULTIMATE.start_main_~i~4 430), 131152#(<= ULTIMATE.start_main_~i~4 424), 131153#(<= ULTIMATE.start_main_~i~4 426), 131158#(<= ULTIMATE.start_main_~i~4 436), 131159#(<= ULTIMATE.start_main_~i~4 438), 131156#(<= ULTIMATE.start_main_~i~4 432), 131157#(<= ULTIMATE.start_main_~i~4 434), 131162#(<= ULTIMATE.start_main_~i~4 444), 131163#(<= ULTIMATE.start_main_~i~4 446), 131160#(<= ULTIMATE.start_main_~i~4 440), 131161#(<= ULTIMATE.start_main_~i~4 442), 131164#(<= ULTIMATE.start_main_~i~4 448), 130939#false, 130938#true, 130941#(<= ULTIMATE.start_main_~i~4 2), 130940#(<= ULTIMATE.start_main_~i~4 0), 130943#(<= ULTIMATE.start_main_~i~4 6), 130942#(<= ULTIMATE.start_main_~i~4 4), 130945#(<= ULTIMATE.start_main_~i~4 10), 130944#(<= ULTIMATE.start_main_~i~4 8), 130947#(<= ULTIMATE.start_main_~i~4 14), 130946#(<= ULTIMATE.start_main_~i~4 12), 130949#(<= ULTIMATE.start_main_~i~4 18), 130948#(<= ULTIMATE.start_main_~i~4 16), 130951#(<= ULTIMATE.start_main_~i~4 22), 130950#(<= ULTIMATE.start_main_~i~4 20), 130953#(<= ULTIMATE.start_main_~i~4 26), 130952#(<= ULTIMATE.start_main_~i~4 24), 130955#(<= ULTIMATE.start_main_~i~4 30), 130954#(<= ULTIMATE.start_main_~i~4 28), 130957#(<= ULTIMATE.start_main_~i~4 34), 130956#(<= ULTIMATE.start_main_~i~4 32), 130959#(<= ULTIMATE.start_main_~i~4 38), 130958#(<= ULTIMATE.start_main_~i~4 36), 130961#(<= ULTIMATE.start_main_~i~4 42), 130960#(<= ULTIMATE.start_main_~i~4 40), 130963#(<= ULTIMATE.start_main_~i~4 46), 130962#(<= ULTIMATE.start_main_~i~4 44), 130965#(<= ULTIMATE.start_main_~i~4 50), 130964#(<= ULTIMATE.start_main_~i~4 48), 130967#(<= ULTIMATE.start_main_~i~4 54), 130966#(<= ULTIMATE.start_main_~i~4 52), 130969#(<= ULTIMATE.start_main_~i~4 58), 130968#(<= ULTIMATE.start_main_~i~4 56), 130971#(<= ULTIMATE.start_main_~i~4 62), 130970#(<= ULTIMATE.start_main_~i~4 60), 130973#(<= ULTIMATE.start_main_~i~4 66), 130972#(<= ULTIMATE.start_main_~i~4 64), 130975#(<= ULTIMATE.start_main_~i~4 70), 130974#(<= ULTIMATE.start_main_~i~4 68), 130977#(<= ULTIMATE.start_main_~i~4 74), 130976#(<= ULTIMATE.start_main_~i~4 72), 130979#(<= ULTIMATE.start_main_~i~4 78), 130978#(<= ULTIMATE.start_main_~i~4 76), 130981#(<= ULTIMATE.start_main_~i~4 82), 130980#(<= ULTIMATE.start_main_~i~4 80), 130983#(<= ULTIMATE.start_main_~i~4 86), 130982#(<= ULTIMATE.start_main_~i~4 84), 130985#(<= ULTIMATE.start_main_~i~4 90), 130984#(<= ULTIMATE.start_main_~i~4 88), 130987#(<= ULTIMATE.start_main_~i~4 94), 130986#(<= ULTIMATE.start_main_~i~4 92), 130989#(<= ULTIMATE.start_main_~i~4 98), 130988#(<= ULTIMATE.start_main_~i~4 96), 130991#(<= ULTIMATE.start_main_~i~4 102), 130990#(<= ULTIMATE.start_main_~i~4 100), 130993#(<= ULTIMATE.start_main_~i~4 106), 130992#(<= ULTIMATE.start_main_~i~4 104), 130995#(<= ULTIMATE.start_main_~i~4 110), 130994#(<= ULTIMATE.start_main_~i~4 108), 130997#(<= ULTIMATE.start_main_~i~4 114), 130996#(<= ULTIMATE.start_main_~i~4 112), 130999#(<= ULTIMATE.start_main_~i~4 118), 130998#(<= ULTIMATE.start_main_~i~4 116), 131001#(<= ULTIMATE.start_main_~i~4 122), 131000#(<= ULTIMATE.start_main_~i~4 120), 131003#(<= ULTIMATE.start_main_~i~4 126), 131002#(<= ULTIMATE.start_main_~i~4 124), 131005#(<= ULTIMATE.start_main_~i~4 130), 131004#(<= ULTIMATE.start_main_~i~4 128), 131007#(<= ULTIMATE.start_main_~i~4 134), 131006#(<= ULTIMATE.start_main_~i~4 132), 131009#(<= ULTIMATE.start_main_~i~4 138), 131008#(<= ULTIMATE.start_main_~i~4 136), 131011#(<= ULTIMATE.start_main_~i~4 142), 131010#(<= ULTIMATE.start_main_~i~4 140), 131013#(<= ULTIMATE.start_main_~i~4 146), 131012#(<= ULTIMATE.start_main_~i~4 144), 131015#(<= ULTIMATE.start_main_~i~4 150), 131014#(<= ULTIMATE.start_main_~i~4 148), 131017#(<= ULTIMATE.start_main_~i~4 154), 131016#(<= ULTIMATE.start_main_~i~4 152), 131019#(<= ULTIMATE.start_main_~i~4 158), 131018#(<= ULTIMATE.start_main_~i~4 156), 131021#(<= ULTIMATE.start_main_~i~4 162), 131020#(<= ULTIMATE.start_main_~i~4 160), 131023#(<= ULTIMATE.start_main_~i~4 166), 131022#(<= ULTIMATE.start_main_~i~4 164), 131025#(<= ULTIMATE.start_main_~i~4 170), 131024#(<= ULTIMATE.start_main_~i~4 168), 131027#(<= ULTIMATE.start_main_~i~4 174), 131026#(<= ULTIMATE.start_main_~i~4 172), 131029#(<= ULTIMATE.start_main_~i~4 178), 131028#(<= ULTIMATE.start_main_~i~4 176), 131031#(<= ULTIMATE.start_main_~i~4 182), 131030#(<= ULTIMATE.start_main_~i~4 180), 131033#(<= ULTIMATE.start_main_~i~4 186), 131032#(<= ULTIMATE.start_main_~i~4 184), 131035#(<= ULTIMATE.start_main_~i~4 190), 131034#(<= ULTIMATE.start_main_~i~4 188), 131037#(<= ULTIMATE.start_main_~i~4 194), 131036#(<= ULTIMATE.start_main_~i~4 192), 131039#(<= ULTIMATE.start_main_~i~4 198), 131038#(<= ULTIMATE.start_main_~i~4 196), 131041#(<= ULTIMATE.start_main_~i~4 202), 131040#(<= ULTIMATE.start_main_~i~4 200), 131043#(<= ULTIMATE.start_main_~i~4 206), 131042#(<= ULTIMATE.start_main_~i~4 204), 131045#(<= ULTIMATE.start_main_~i~4 210), 131044#(<= ULTIMATE.start_main_~i~4 208), 131047#(<= ULTIMATE.start_main_~i~4 214), 131046#(<= ULTIMATE.start_main_~i~4 212), 131049#(<= ULTIMATE.start_main_~i~4 218), 131048#(<= ULTIMATE.start_main_~i~4 216), 131051#(<= ULTIMATE.start_main_~i~4 222), 131050#(<= ULTIMATE.start_main_~i~4 220), 131053#(<= ULTIMATE.start_main_~i~4 226), 131052#(<= ULTIMATE.start_main_~i~4 224), 131055#(<= ULTIMATE.start_main_~i~4 230), 131054#(<= ULTIMATE.start_main_~i~4 228), 131057#(<= ULTIMATE.start_main_~i~4 234), 131056#(<= ULTIMATE.start_main_~i~4 232), 131059#(<= ULTIMATE.start_main_~i~4 238), 131058#(<= ULTIMATE.start_main_~i~4 236), 131061#(<= ULTIMATE.start_main_~i~4 242), 131060#(<= ULTIMATE.start_main_~i~4 240), 131063#(<= ULTIMATE.start_main_~i~4 246), 131062#(<= ULTIMATE.start_main_~i~4 244), 131065#(<= ULTIMATE.start_main_~i~4 250), 131064#(<= ULTIMATE.start_main_~i~4 248), 131067#(<= ULTIMATE.start_main_~i~4 254), 131066#(<= ULTIMATE.start_main_~i~4 252), 131069#(<= ULTIMATE.start_main_~i~4 258), 131068#(<= ULTIMATE.start_main_~i~4 256), 131071#(<= ULTIMATE.start_main_~i~4 262), 131070#(<= ULTIMATE.start_main_~i~4 260)] [2018-07-23 13:40:22,804 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 13:40:22,804 INFO L450 AbstractCegarLoop]: Interpolant automaton has 227 states [2018-07-23 13:40:22,807 INFO L132 InterpolantAutomaton]: Constructing interpolant automaton starting with 227 interpolants. [2018-07-23 13:40:22,809 INFO L133 InterpolantAutomaton]: CoverageRelationStatistics Valid=25651, Invalid=25651, Unknown=0, NotChecked=0, Total=51302 [2018-07-23 13:40:22,809 INFO L87 Difference]: Start difference. First operand 228 states and 228 transitions. Second operand 227 states. [2018-07-23 13:40:23,278 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2018-07-23 13:40:23,279 INFO L93 Difference]: Finished difference Result 231 states and 231 transitions. [2018-07-23 13:40:23,279 INFO L142 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 227 states. [2018-07-23 13:40:23,279 INFO L78 Accepts]: Start accepts. Automaton has 227 states. Word has length 227 [2018-07-23 13:40:23,279 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2018-07-23 13:40:23,279 INFO L225 Difference]: With dead ends: 231 [2018-07-23 13:40:23,279 INFO L226 Difference]: Without dead ends: 229 [2018-07-23 13:40:23,280 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 13:40:23,280 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 229 states. [2018-07-23 13:40:23,282 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 229 to 229. [2018-07-23 13:40:23,282 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 229 states. [2018-07-23 13:40:23,283 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 229 states to 229 states and 229 transitions. [2018-07-23 13:40:23,283 INFO L78 Accepts]: Start accepts. Automaton has 229 states and 229 transitions. Word has length 227 [2018-07-23 13:40:23,283 INFO L84 Accepts]: Finished accepts. word is rejected. [2018-07-23 13:40:23,283 INFO L471 AbstractCegarLoop]: Abstraction has 229 states and 229 transitions. [2018-07-23 13:40:23,283 INFO L472 AbstractCegarLoop]: Interpolant automaton has 227 states. [2018-07-23 13:40:23,283 INFO L276 IsEmpty]: Start isEmpty. Operand 229 states and 229 transitions. [2018-07-23 13:40:23,283 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 229 [2018-07-23 13:40:23,284 INFO L349 BasicCegarLoop]: Found error trace [2018-07-23 13:40:23,284 INFO L357 BasicCegarLoop]: trace histogram [225, 1, 1, 1] [2018-07-23 13:40:23,284 INFO L414 AbstractCegarLoop]: === Iteration 226 === [ULTIMATE.startErr0AssertViolationASSERT]=== [2018-07-23 13:40:23,284 INFO L82 PathProgramCache]: Analyzing trace with hash -1532786392, now seen corresponding path program 225 times [2018-07-23 13:40:23,284 INFO L69 tionRefinementEngine]: Using refinement strategy FixedRefinementStrategy [2018-07-23 13:40:23,569 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-07-23 13:40:24,716 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 13:40:24,717 INFO L309 seRefinementStrategy]: Constructing automaton from 0 perfect and 1 imperfect interpolant sequences. [2018-07-23 13:40:24,717 INFO L324 seRefinementStrategy]: Number of different interpolants: perfect sequences [] imperfect sequences [227] total 227 [2018-07-23 13:40:24,717 INFO L142 lantAutomatonBuilder]: Constructing canonical interpolant automaton, with selfloop in false state [2018-07-23 13:40:24,717 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2018-07-23 13:40:24,717 INFO L185 omatonBuilderFactory]: Interpolants [132098#(<= ULTIMATE.start_main_~i~4 22), 132099#(<= ULTIMATE.start_main_~i~4 24), 132096#(<= ULTIMATE.start_main_~i~4 18), 132097#(<= ULTIMATE.start_main_~i~4 20), 132102#(<= ULTIMATE.start_main_~i~4 30), 132103#(<= ULTIMATE.start_main_~i~4 32), 132100#(<= ULTIMATE.start_main_~i~4 26), 132101#(<= ULTIMATE.start_main_~i~4 28), 132106#(<= ULTIMATE.start_main_~i~4 38), 132107#(<= ULTIMATE.start_main_~i~4 40), 132104#(<= ULTIMATE.start_main_~i~4 34), 132105#(<= ULTIMATE.start_main_~i~4 36), 132110#(<= ULTIMATE.start_main_~i~4 46), 132111#(<= ULTIMATE.start_main_~i~4 48), 132108#(<= ULTIMATE.start_main_~i~4 42), 132109#(<= ULTIMATE.start_main_~i~4 44), 132114#(<= ULTIMATE.start_main_~i~4 54), 132115#(<= ULTIMATE.start_main_~i~4 56), 132112#(<= ULTIMATE.start_main_~i~4 50), 132113#(<= ULTIMATE.start_main_~i~4 52), 132118#(<= ULTIMATE.start_main_~i~4 62), 132119#(<= ULTIMATE.start_main_~i~4 64), 132116#(<= ULTIMATE.start_main_~i~4 58), 132117#(<= ULTIMATE.start_main_~i~4 60), 132122#(<= ULTIMATE.start_main_~i~4 70), 132123#(<= ULTIMATE.start_main_~i~4 72), 132120#(<= ULTIMATE.start_main_~i~4 66), 132121#(<= ULTIMATE.start_main_~i~4 68), 132126#(<= ULTIMATE.start_main_~i~4 78), 132127#(<= ULTIMATE.start_main_~i~4 80), 132124#(<= ULTIMATE.start_main_~i~4 74), 132125#(<= ULTIMATE.start_main_~i~4 76), 132130#(<= ULTIMATE.start_main_~i~4 86), 132131#(<= ULTIMATE.start_main_~i~4 88), 132128#(<= ULTIMATE.start_main_~i~4 82), 132129#(<= ULTIMATE.start_main_~i~4 84), 132134#(<= ULTIMATE.start_main_~i~4 94), 132135#(<= ULTIMATE.start_main_~i~4 96), 132132#(<= ULTIMATE.start_main_~i~4 90), 132133#(<= ULTIMATE.start_main_~i~4 92), 132138#(<= ULTIMATE.start_main_~i~4 102), 132139#(<= ULTIMATE.start_main_~i~4 104), 132136#(<= ULTIMATE.start_main_~i~4 98), 132137#(<= ULTIMATE.start_main_~i~4 100), 132142#(<= ULTIMATE.start_main_~i~4 110), 132143#(<= ULTIMATE.start_main_~i~4 112), 132140#(<= ULTIMATE.start_main_~i~4 106), 132141#(<= ULTIMATE.start_main_~i~4 108), 132146#(<= ULTIMATE.start_main_~i~4 118), 132147#(<= ULTIMATE.start_main_~i~4 120), 132144#(<= ULTIMATE.start_main_~i~4 114), 132145#(<= ULTIMATE.start_main_~i~4 116), 132150#(<= ULTIMATE.start_main_~i~4 126), 132151#(<= ULTIMATE.start_main_~i~4 128), 132148#(<= ULTIMATE.start_main_~i~4 122), 132149#(<= ULTIMATE.start_main_~i~4 124), 132154#(<= ULTIMATE.start_main_~i~4 134), 132155#(<= ULTIMATE.start_main_~i~4 136), 132152#(<= ULTIMATE.start_main_~i~4 130), 132153#(<= ULTIMATE.start_main_~i~4 132), 132158#(<= ULTIMATE.start_main_~i~4 142), 132159#(<= ULTIMATE.start_main_~i~4 144), 132156#(<= ULTIMATE.start_main_~i~4 138), 132157#(<= ULTIMATE.start_main_~i~4 140), 132162#(<= ULTIMATE.start_main_~i~4 150), 132163#(<= ULTIMATE.start_main_~i~4 152), 132160#(<= ULTIMATE.start_main_~i~4 146), 132161#(<= ULTIMATE.start_main_~i~4 148), 132166#(<= ULTIMATE.start_main_~i~4 158), 132167#(<= ULTIMATE.start_main_~i~4 160), 132164#(<= ULTIMATE.start_main_~i~4 154), 132165#(<= ULTIMATE.start_main_~i~4 156), 132170#(<= ULTIMATE.start_main_~i~4 166), 132171#(<= ULTIMATE.start_main_~i~4 168), 132168#(<= ULTIMATE.start_main_~i~4 162), 132169#(<= ULTIMATE.start_main_~i~4 164), 132174#(<= ULTIMATE.start_main_~i~4 174), 132175#(<= ULTIMATE.start_main_~i~4 176), 132172#(<= ULTIMATE.start_main_~i~4 170), 132173#(<= ULTIMATE.start_main_~i~4 172), 132178#(<= ULTIMATE.start_main_~i~4 182), 132179#(<= ULTIMATE.start_main_~i~4 184), 132176#(<= ULTIMATE.start_main_~i~4 178), 132177#(<= ULTIMATE.start_main_~i~4 180), 132182#(<= ULTIMATE.start_main_~i~4 190), 132183#(<= ULTIMATE.start_main_~i~4 192), 132180#(<= ULTIMATE.start_main_~i~4 186), 132181#(<= ULTIMATE.start_main_~i~4 188), 132186#(<= ULTIMATE.start_main_~i~4 198), 132187#(<= ULTIMATE.start_main_~i~4 200), 132184#(<= ULTIMATE.start_main_~i~4 194), 132185#(<= ULTIMATE.start_main_~i~4 196), 132190#(<= ULTIMATE.start_main_~i~4 206), 132191#(<= ULTIMATE.start_main_~i~4 208), 132188#(<= ULTIMATE.start_main_~i~4 202), 132189#(<= ULTIMATE.start_main_~i~4 204), 132194#(<= ULTIMATE.start_main_~i~4 214), 132195#(<= ULTIMATE.start_main_~i~4 216), 132192#(<= ULTIMATE.start_main_~i~4 210), 132193#(<= ULTIMATE.start_main_~i~4 212), 132198#(<= ULTIMATE.start_main_~i~4 222), 132199#(<= ULTIMATE.start_main_~i~4 224), 132196#(<= ULTIMATE.start_main_~i~4 218), 132197#(<= ULTIMATE.start_main_~i~4 220), 132202#(<= ULTIMATE.start_main_~i~4 230), 132203#(<= ULTIMATE.start_main_~i~4 232), 132200#(<= ULTIMATE.start_main_~i~4 226), 132201#(<= ULTIMATE.start_main_~i~4 228), 132206#(<= ULTIMATE.start_main_~i~4 238), 132207#(<= ULTIMATE.start_main_~i~4 240), 132204#(<= ULTIMATE.start_main_~i~4 234), 132205#(<= ULTIMATE.start_main_~i~4 236), 132210#(<= ULTIMATE.start_main_~i~4 246), 132211#(<= ULTIMATE.start_main_~i~4 248), 132208#(<= ULTIMATE.start_main_~i~4 242), 132209#(<= ULTIMATE.start_main_~i~4 244), 132214#(<= ULTIMATE.start_main_~i~4 254), 132215#(<= ULTIMATE.start_main_~i~4 256), 132212#(<= ULTIMATE.start_main_~i~4 250), 132213#(<= ULTIMATE.start_main_~i~4 252), 132218#(<= ULTIMATE.start_main_~i~4 262), 132219#(<= ULTIMATE.start_main_~i~4 264), 132216#(<= ULTIMATE.start_main_~i~4 258), 132217#(<= ULTIMATE.start_main_~i~4 260), 132222#(<= ULTIMATE.start_main_~i~4 270), 132223#(<= ULTIMATE.start_main_~i~4 272), 132220#(<= ULTIMATE.start_main_~i~4 266), 132221#(<= ULTIMATE.start_main_~i~4 268), 132226#(<= ULTIMATE.start_main_~i~4 278), 132227#(<= ULTIMATE.start_main_~i~4 280), 132224#(<= ULTIMATE.start_main_~i~4 274), 132225#(<= ULTIMATE.start_main_~i~4 276), 132230#(<= ULTIMATE.start_main_~i~4 286), 132231#(<= ULTIMATE.start_main_~i~4 288), 132228#(<= ULTIMATE.start_main_~i~4 282), 132229#(<= ULTIMATE.start_main_~i~4 284), 132234#(<= ULTIMATE.start_main_~i~4 294), 132235#(<= ULTIMATE.start_main_~i~4 296), 132232#(<= ULTIMATE.start_main_~i~4 290), 132233#(<= ULTIMATE.start_main_~i~4 292), 132238#(<= ULTIMATE.start_main_~i~4 302), 132239#(<= ULTIMATE.start_main_~i~4 304), 132236#(<= ULTIMATE.start_main_~i~4 298), 132237#(<= ULTIMATE.start_main_~i~4 300), 132242#(<= ULTIMATE.start_main_~i~4 310), 132243#(<= ULTIMATE.start_main_~i~4 312), 132240#(<= ULTIMATE.start_main_~i~4 306), 132241#(<= ULTIMATE.start_main_~i~4 308), 132246#(<= ULTIMATE.start_main_~i~4 318), 132247#(<= ULTIMATE.start_main_~i~4 320), 132244#(<= ULTIMATE.start_main_~i~4 314), 132245#(<= ULTIMATE.start_main_~i~4 316), 132250#(<= ULTIMATE.start_main_~i~4 326), 132251#(<= ULTIMATE.start_main_~i~4 328), 132248#(<= ULTIMATE.start_main_~i~4 322), 132249#(<= ULTIMATE.start_main_~i~4 324), 132254#(<= ULTIMATE.start_main_~i~4 334), 132255#(<= ULTIMATE.start_main_~i~4 336), 132252#(<= ULTIMATE.start_main_~i~4 330), 132253#(<= ULTIMATE.start_main_~i~4 332), 132258#(<= ULTIMATE.start_main_~i~4 342), 132259#(<= ULTIMATE.start_main_~i~4 344), 132256#(<= ULTIMATE.start_main_~i~4 338), 132257#(<= ULTIMATE.start_main_~i~4 340), 132262#(<= ULTIMATE.start_main_~i~4 350), 132263#(<= ULTIMATE.start_main_~i~4 352), 132260#(<= ULTIMATE.start_main_~i~4 346), 132261#(<= ULTIMATE.start_main_~i~4 348), 132266#(<= ULTIMATE.start_main_~i~4 358), 132267#(<= ULTIMATE.start_main_~i~4 360), 132264#(<= ULTIMATE.start_main_~i~4 354), 132265#(<= ULTIMATE.start_main_~i~4 356), 132270#(<= ULTIMATE.start_main_~i~4 366), 132271#(<= ULTIMATE.start_main_~i~4 368), 132268#(<= ULTIMATE.start_main_~i~4 362), 132269#(<= ULTIMATE.start_main_~i~4 364), 132274#(<= ULTIMATE.start_main_~i~4 374), 132275#(<= ULTIMATE.start_main_~i~4 376), 132272#(<= ULTIMATE.start_main_~i~4 370), 132273#(<= ULTIMATE.start_main_~i~4 372), 132278#(<= ULTIMATE.start_main_~i~4 382), 132279#(<= ULTIMATE.start_main_~i~4 384), 132276#(<= ULTIMATE.start_main_~i~4 378), 132277#(<= ULTIMATE.start_main_~i~4 380), 132282#(<= ULTIMATE.start_main_~i~4 390), 132283#(<= ULTIMATE.start_main_~i~4 392), 132280#(<= ULTIMATE.start_main_~i~4 386), 132281#(<= ULTIMATE.start_main_~i~4 388), 132286#(<= ULTIMATE.start_main_~i~4 398), 132287#(<= ULTIMATE.start_main_~i~4 400), 132284#(<= ULTIMATE.start_main_~i~4 394), 132285#(<= ULTIMATE.start_main_~i~4 396), 132290#(<= ULTIMATE.start_main_~i~4 406), 132291#(<= ULTIMATE.start_main_~i~4 408), 132288#(<= ULTIMATE.start_main_~i~4 402), 132289#(<= ULTIMATE.start_main_~i~4 404), 132294#(<= ULTIMATE.start_main_~i~4 414), 132295#(<= ULTIMATE.start_main_~i~4 416), 132292#(<= ULTIMATE.start_main_~i~4 410), 132293#(<= ULTIMATE.start_main_~i~4 412), 132298#(<= ULTIMATE.start_main_~i~4 422), 132299#(<= ULTIMATE.start_main_~i~4 424), 132296#(<= ULTIMATE.start_main_~i~4 418), 132297#(<= ULTIMATE.start_main_~i~4 420), 132302#(<= ULTIMATE.start_main_~i~4 430), 132303#(<= ULTIMATE.start_main_~i~4 432), 132300#(<= ULTIMATE.start_main_~i~4 426), 132301#(<= ULTIMATE.start_main_~i~4 428), 132306#(<= ULTIMATE.start_main_~i~4 438), 132307#(<= ULTIMATE.start_main_~i~4 440), 132304#(<= ULTIMATE.start_main_~i~4 434), 132305#(<= ULTIMATE.start_main_~i~4 436), 132310#(<= ULTIMATE.start_main_~i~4 446), 132311#(<= ULTIMATE.start_main_~i~4 448), 132308#(<= ULTIMATE.start_main_~i~4 442), 132309#(<= ULTIMATE.start_main_~i~4 444), 132312#(<= ULTIMATE.start_main_~i~4 450), 132086#false, 132087#(<= ULTIMATE.start_main_~i~4 0), 132085#true, 132090#(<= ULTIMATE.start_main_~i~4 6), 132091#(<= ULTIMATE.start_main_~i~4 8), 132088#(<= ULTIMATE.start_main_~i~4 2), 132089#(<= ULTIMATE.start_main_~i~4 4), 132094#(<= ULTIMATE.start_main_~i~4 14), 132095#(<= ULTIMATE.start_main_~i~4 16), 132092#(<= ULTIMATE.start_main_~i~4 10), 132093#(<= ULTIMATE.start_main_~i~4 12)] [2018-07-23 13:40:24,719 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 13:40:24,719 INFO L450 AbstractCegarLoop]: Interpolant automaton has 228 states [2018-07-23 13:40:24,722 INFO L132 InterpolantAutomaton]: Constructing interpolant automaton starting with 228 interpolants. [2018-07-23 13:40:24,724 INFO L133 InterpolantAutomaton]: CoverageRelationStatistics Valid=25878, Invalid=25878, Unknown=0, NotChecked=0, Total=51756 [2018-07-23 13:40:24,725 INFO L87 Difference]: Start difference. First operand 229 states and 229 transitions. Second operand 228 states. [2018-07-23 13:40:26,361 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2018-07-23 13:40:26,361 INFO L93 Difference]: Finished difference Result 232 states and 232 transitions. [2018-07-23 13:40:26,361 INFO L142 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 228 states. [2018-07-23 13:40:26,361 INFO L78 Accepts]: Start accepts. Automaton has 228 states. Word has length 228 [2018-07-23 13:40:26,361 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2018-07-23 13:40:26,361 INFO L225 Difference]: With dead ends: 232 [2018-07-23 13:40:26,362 INFO L226 Difference]: Without dead ends: 230 [2018-07-23 13:40:26,364 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 13:40:26,364 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 230 states. [2018-07-23 13:40:26,366 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 230 to 230. [2018-07-23 13:40:26,366 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 230 states. [2018-07-23 13:40:26,366 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 230 states to 230 states and 230 transitions. [2018-07-23 13:40:26,366 INFO L78 Accepts]: Start accepts. Automaton has 230 states and 230 transitions. Word has length 228 [2018-07-23 13:40:26,366 INFO L84 Accepts]: Finished accepts. word is rejected. [2018-07-23 13:40:26,366 INFO L471 AbstractCegarLoop]: Abstraction has 230 states and 230 transitions. [2018-07-23 13:40:26,367 INFO L472 AbstractCegarLoop]: Interpolant automaton has 228 states. [2018-07-23 13:40:26,367 INFO L276 IsEmpty]: Start isEmpty. Operand 230 states and 230 transitions. [2018-07-23 13:40:26,367 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 230 [2018-07-23 13:40:26,367 INFO L349 BasicCegarLoop]: Found error trace [2018-07-23 13:40:26,367 INFO L357 BasicCegarLoop]: trace histogram [226, 1, 1, 1] [2018-07-23 13:40:26,367 INFO L414 AbstractCegarLoop]: === Iteration 227 === [ULTIMATE.startErr0AssertViolationASSERT]=== [2018-07-23 13:40:26,367 INFO L82 PathProgramCache]: Analyzing trace with hash -271739871, now seen corresponding path program 226 times [2018-07-23 13:40:26,368 INFO L69 tionRefinementEngine]: Using refinement strategy FixedRefinementStrategy [2018-07-23 13:40:26,638 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-07-23 13:40:27,845 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 13:40:27,845 INFO L309 seRefinementStrategy]: Constructing automaton from 0 perfect and 1 imperfect interpolant sequences. [2018-07-23 13:40:27,845 INFO L324 seRefinementStrategy]: Number of different interpolants: perfect sequences [] imperfect sequences [228] total 228 [2018-07-23 13:40:27,845 INFO L142 lantAutomatonBuilder]: Constructing canonical interpolant automaton, with selfloop in false state [2018-07-23 13:40:27,846 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2018-07-23 13:40:27,846 INFO L185 omatonBuilderFactory]: Interpolants [133238#false, 133239#(<= ULTIMATE.start_main_~i~4 0), 133237#true, 133242#(<= ULTIMATE.start_main_~i~4 6), 133243#(<= ULTIMATE.start_main_~i~4 8), 133240#(<= ULTIMATE.start_main_~i~4 2), 133241#(<= ULTIMATE.start_main_~i~4 4), 133246#(<= ULTIMATE.start_main_~i~4 14), 133247#(<= ULTIMATE.start_main_~i~4 16), 133244#(<= ULTIMATE.start_main_~i~4 10), 133245#(<= ULTIMATE.start_main_~i~4 12), 133250#(<= ULTIMATE.start_main_~i~4 22), 133251#(<= ULTIMATE.start_main_~i~4 24), 133248#(<= ULTIMATE.start_main_~i~4 18), 133249#(<= ULTIMATE.start_main_~i~4 20), 133254#(<= ULTIMATE.start_main_~i~4 30), 133255#(<= ULTIMATE.start_main_~i~4 32), 133252#(<= ULTIMATE.start_main_~i~4 26), 133253#(<= ULTIMATE.start_main_~i~4 28), 133258#(<= ULTIMATE.start_main_~i~4 38), 133259#(<= ULTIMATE.start_main_~i~4 40), 133256#(<= ULTIMATE.start_main_~i~4 34), 133257#(<= ULTIMATE.start_main_~i~4 36), 133262#(<= ULTIMATE.start_main_~i~4 46), 133263#(<= ULTIMATE.start_main_~i~4 48), 133260#(<= ULTIMATE.start_main_~i~4 42), 133261#(<= ULTIMATE.start_main_~i~4 44), 133266#(<= ULTIMATE.start_main_~i~4 54), 133267#(<= ULTIMATE.start_main_~i~4 56), 133264#(<= ULTIMATE.start_main_~i~4 50), 133265#(<= ULTIMATE.start_main_~i~4 52), 133270#(<= ULTIMATE.start_main_~i~4 62), 133271#(<= ULTIMATE.start_main_~i~4 64), 133268#(<= ULTIMATE.start_main_~i~4 58), 133269#(<= ULTIMATE.start_main_~i~4 60), 133274#(<= ULTIMATE.start_main_~i~4 70), 133275#(<= ULTIMATE.start_main_~i~4 72), 133272#(<= ULTIMATE.start_main_~i~4 66), 133273#(<= ULTIMATE.start_main_~i~4 68), 133278#(<= ULTIMATE.start_main_~i~4 78), 133279#(<= ULTIMATE.start_main_~i~4 80), 133276#(<= ULTIMATE.start_main_~i~4 74), 133277#(<= ULTIMATE.start_main_~i~4 76), 133282#(<= ULTIMATE.start_main_~i~4 86), 133283#(<= ULTIMATE.start_main_~i~4 88), 133280#(<= ULTIMATE.start_main_~i~4 82), 133281#(<= ULTIMATE.start_main_~i~4 84), 133286#(<= ULTIMATE.start_main_~i~4 94), 133287#(<= ULTIMATE.start_main_~i~4 96), 133284#(<= ULTIMATE.start_main_~i~4 90), 133285#(<= ULTIMATE.start_main_~i~4 92), 133290#(<= ULTIMATE.start_main_~i~4 102), 133291#(<= ULTIMATE.start_main_~i~4 104), 133288#(<= ULTIMATE.start_main_~i~4 98), 133289#(<= ULTIMATE.start_main_~i~4 100), 133294#(<= ULTIMATE.start_main_~i~4 110), 133295#(<= ULTIMATE.start_main_~i~4 112), 133292#(<= ULTIMATE.start_main_~i~4 106), 133293#(<= ULTIMATE.start_main_~i~4 108), 133298#(<= ULTIMATE.start_main_~i~4 118), 133299#(<= ULTIMATE.start_main_~i~4 120), 133296#(<= ULTIMATE.start_main_~i~4 114), 133297#(<= ULTIMATE.start_main_~i~4 116), 133302#(<= ULTIMATE.start_main_~i~4 126), 133303#(<= ULTIMATE.start_main_~i~4 128), 133300#(<= ULTIMATE.start_main_~i~4 122), 133301#(<= ULTIMATE.start_main_~i~4 124), 133306#(<= ULTIMATE.start_main_~i~4 134), 133307#(<= ULTIMATE.start_main_~i~4 136), 133304#(<= ULTIMATE.start_main_~i~4 130), 133305#(<= ULTIMATE.start_main_~i~4 132), 133310#(<= ULTIMATE.start_main_~i~4 142), 133311#(<= ULTIMATE.start_main_~i~4 144), 133308#(<= ULTIMATE.start_main_~i~4 138), 133309#(<= ULTIMATE.start_main_~i~4 140), 133314#(<= ULTIMATE.start_main_~i~4 150), 133315#(<= ULTIMATE.start_main_~i~4 152), 133312#(<= ULTIMATE.start_main_~i~4 146), 133313#(<= ULTIMATE.start_main_~i~4 148), 133318#(<= ULTIMATE.start_main_~i~4 158), 133319#(<= ULTIMATE.start_main_~i~4 160), 133316#(<= ULTIMATE.start_main_~i~4 154), 133317#(<= ULTIMATE.start_main_~i~4 156), 133322#(<= ULTIMATE.start_main_~i~4 166), 133323#(<= ULTIMATE.start_main_~i~4 168), 133320#(<= ULTIMATE.start_main_~i~4 162), 133321#(<= ULTIMATE.start_main_~i~4 164), 133326#(<= ULTIMATE.start_main_~i~4 174), 133327#(<= ULTIMATE.start_main_~i~4 176), 133324#(<= ULTIMATE.start_main_~i~4 170), 133325#(<= ULTIMATE.start_main_~i~4 172), 133330#(<= ULTIMATE.start_main_~i~4 182), 133331#(<= ULTIMATE.start_main_~i~4 184), 133328#(<= ULTIMATE.start_main_~i~4 178), 133329#(<= ULTIMATE.start_main_~i~4 180), 133334#(<= ULTIMATE.start_main_~i~4 190), 133335#(<= ULTIMATE.start_main_~i~4 192), 133332#(<= ULTIMATE.start_main_~i~4 186), 133333#(<= ULTIMATE.start_main_~i~4 188), 133338#(<= ULTIMATE.start_main_~i~4 198), 133339#(<= ULTIMATE.start_main_~i~4 200), 133336#(<= ULTIMATE.start_main_~i~4 194), 133337#(<= ULTIMATE.start_main_~i~4 196), 133342#(<= ULTIMATE.start_main_~i~4 206), 133343#(<= ULTIMATE.start_main_~i~4 208), 133340#(<= ULTIMATE.start_main_~i~4 202), 133341#(<= ULTIMATE.start_main_~i~4 204), 133346#(<= ULTIMATE.start_main_~i~4 214), 133347#(<= ULTIMATE.start_main_~i~4 216), 133344#(<= ULTIMATE.start_main_~i~4 210), 133345#(<= ULTIMATE.start_main_~i~4 212), 133350#(<= ULTIMATE.start_main_~i~4 222), 133351#(<= ULTIMATE.start_main_~i~4 224), 133348#(<= ULTIMATE.start_main_~i~4 218), 133349#(<= ULTIMATE.start_main_~i~4 220), 133354#(<= ULTIMATE.start_main_~i~4 230), 133355#(<= ULTIMATE.start_main_~i~4 232), 133352#(<= ULTIMATE.start_main_~i~4 226), 133353#(<= ULTIMATE.start_main_~i~4 228), 133358#(<= ULTIMATE.start_main_~i~4 238), 133359#(<= ULTIMATE.start_main_~i~4 240), 133356#(<= ULTIMATE.start_main_~i~4 234), 133357#(<= ULTIMATE.start_main_~i~4 236), 133362#(<= ULTIMATE.start_main_~i~4 246), 133363#(<= ULTIMATE.start_main_~i~4 248), 133360#(<= ULTIMATE.start_main_~i~4 242), 133361#(<= ULTIMATE.start_main_~i~4 244), 133366#(<= ULTIMATE.start_main_~i~4 254), 133367#(<= ULTIMATE.start_main_~i~4 256), 133364#(<= ULTIMATE.start_main_~i~4 250), 133365#(<= ULTIMATE.start_main_~i~4 252), 133370#(<= ULTIMATE.start_main_~i~4 262), 133371#(<= ULTIMATE.start_main_~i~4 264), 133368#(<= ULTIMATE.start_main_~i~4 258), 133369#(<= ULTIMATE.start_main_~i~4 260), 133374#(<= ULTIMATE.start_main_~i~4 270), 133375#(<= ULTIMATE.start_main_~i~4 272), 133372#(<= ULTIMATE.start_main_~i~4 266), 133373#(<= ULTIMATE.start_main_~i~4 268), 133378#(<= ULTIMATE.start_main_~i~4 278), 133379#(<= ULTIMATE.start_main_~i~4 280), 133376#(<= ULTIMATE.start_main_~i~4 274), 133377#(<= ULTIMATE.start_main_~i~4 276), 133382#(<= ULTIMATE.start_main_~i~4 286), 133383#(<= ULTIMATE.start_main_~i~4 288), 133380#(<= ULTIMATE.start_main_~i~4 282), 133381#(<= ULTIMATE.start_main_~i~4 284), 133386#(<= ULTIMATE.start_main_~i~4 294), 133387#(<= ULTIMATE.start_main_~i~4 296), 133384#(<= ULTIMATE.start_main_~i~4 290), 133385#(<= ULTIMATE.start_main_~i~4 292), 133390#(<= ULTIMATE.start_main_~i~4 302), 133391#(<= ULTIMATE.start_main_~i~4 304), 133388#(<= ULTIMATE.start_main_~i~4 298), 133389#(<= ULTIMATE.start_main_~i~4 300), 133394#(<= ULTIMATE.start_main_~i~4 310), 133395#(<= ULTIMATE.start_main_~i~4 312), 133392#(<= ULTIMATE.start_main_~i~4 306), 133393#(<= ULTIMATE.start_main_~i~4 308), 133398#(<= ULTIMATE.start_main_~i~4 318), 133399#(<= ULTIMATE.start_main_~i~4 320), 133396#(<= ULTIMATE.start_main_~i~4 314), 133397#(<= ULTIMATE.start_main_~i~4 316), 133402#(<= ULTIMATE.start_main_~i~4 326), 133403#(<= ULTIMATE.start_main_~i~4 328), 133400#(<= ULTIMATE.start_main_~i~4 322), 133401#(<= ULTIMATE.start_main_~i~4 324), 133406#(<= ULTIMATE.start_main_~i~4 334), 133407#(<= ULTIMATE.start_main_~i~4 336), 133404#(<= ULTIMATE.start_main_~i~4 330), 133405#(<= ULTIMATE.start_main_~i~4 332), 133410#(<= ULTIMATE.start_main_~i~4 342), 133411#(<= ULTIMATE.start_main_~i~4 344), 133408#(<= ULTIMATE.start_main_~i~4 338), 133409#(<= ULTIMATE.start_main_~i~4 340), 133414#(<= ULTIMATE.start_main_~i~4 350), 133415#(<= ULTIMATE.start_main_~i~4 352), 133412#(<= ULTIMATE.start_main_~i~4 346), 133413#(<= ULTIMATE.start_main_~i~4 348), 133418#(<= ULTIMATE.start_main_~i~4 358), 133419#(<= ULTIMATE.start_main_~i~4 360), 133416#(<= ULTIMATE.start_main_~i~4 354), 133417#(<= ULTIMATE.start_main_~i~4 356), 133422#(<= ULTIMATE.start_main_~i~4 366), 133423#(<= ULTIMATE.start_main_~i~4 368), 133420#(<= ULTIMATE.start_main_~i~4 362), 133421#(<= ULTIMATE.start_main_~i~4 364), 133426#(<= ULTIMATE.start_main_~i~4 374), 133427#(<= ULTIMATE.start_main_~i~4 376), 133424#(<= ULTIMATE.start_main_~i~4 370), 133425#(<= ULTIMATE.start_main_~i~4 372), 133430#(<= ULTIMATE.start_main_~i~4 382), 133431#(<= ULTIMATE.start_main_~i~4 384), 133428#(<= ULTIMATE.start_main_~i~4 378), 133429#(<= ULTIMATE.start_main_~i~4 380), 133434#(<= ULTIMATE.start_main_~i~4 390), 133435#(<= ULTIMATE.start_main_~i~4 392), 133432#(<= ULTIMATE.start_main_~i~4 386), 133433#(<= ULTIMATE.start_main_~i~4 388), 133438#(<= ULTIMATE.start_main_~i~4 398), 133439#(<= ULTIMATE.start_main_~i~4 400), 133436#(<= ULTIMATE.start_main_~i~4 394), 133437#(<= ULTIMATE.start_main_~i~4 396), 133442#(<= ULTIMATE.start_main_~i~4 406), 133443#(<= ULTIMATE.start_main_~i~4 408), 133440#(<= ULTIMATE.start_main_~i~4 402), 133441#(<= ULTIMATE.start_main_~i~4 404), 133446#(<= ULTIMATE.start_main_~i~4 414), 133447#(<= ULTIMATE.start_main_~i~4 416), 133444#(<= ULTIMATE.start_main_~i~4 410), 133445#(<= ULTIMATE.start_main_~i~4 412), 133450#(<= ULTIMATE.start_main_~i~4 422), 133451#(<= ULTIMATE.start_main_~i~4 424), 133448#(<= ULTIMATE.start_main_~i~4 418), 133449#(<= ULTIMATE.start_main_~i~4 420), 133454#(<= ULTIMATE.start_main_~i~4 430), 133455#(<= ULTIMATE.start_main_~i~4 432), 133452#(<= ULTIMATE.start_main_~i~4 426), 133453#(<= ULTIMATE.start_main_~i~4 428), 133458#(<= ULTIMATE.start_main_~i~4 438), 133459#(<= ULTIMATE.start_main_~i~4 440), 133456#(<= ULTIMATE.start_main_~i~4 434), 133457#(<= ULTIMATE.start_main_~i~4 436), 133462#(<= ULTIMATE.start_main_~i~4 446), 133463#(<= ULTIMATE.start_main_~i~4 448), 133460#(<= ULTIMATE.start_main_~i~4 442), 133461#(<= ULTIMATE.start_main_~i~4 444), 133464#(<= ULTIMATE.start_main_~i~4 450), 133465#(<= ULTIMATE.start_main_~i~4 452)] [2018-07-23 13:40:27,847 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 13:40:27,847 INFO L450 AbstractCegarLoop]: Interpolant automaton has 229 states [2018-07-23 13:40:27,849 INFO L132 InterpolantAutomaton]: Constructing interpolant automaton starting with 229 interpolants. [2018-07-23 13:40:27,850 INFO L133 InterpolantAutomaton]: CoverageRelationStatistics Valid=26106, Invalid=26106, Unknown=0, NotChecked=0, Total=52212 [2018-07-23 13:40:27,850 INFO L87 Difference]: Start difference. First operand 230 states and 230 transitions. Second operand 229 states. [2018-07-23 13:40:28,835 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2018-07-23 13:40:28,836 INFO L93 Difference]: Finished difference Result 233 states and 233 transitions. [2018-07-23 13:40:28,836 INFO L142 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 229 states. [2018-07-23 13:40:28,836 INFO L78 Accepts]: Start accepts. Automaton has 229 states. Word has length 229 [2018-07-23 13:40:28,836 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2018-07-23 13:40:28,836 INFO L225 Difference]: With dead ends: 233 [2018-07-23 13:40:28,836 INFO L226 Difference]: Without dead ends: 231 [2018-07-23 13:40:28,837 INFO L575 BasicCegarLoop]: 0 DeclaredPredicates, 228 GetRequests, 1 SyntacticMatches, 0 SemanticMatches, 227 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 0 ImplicationChecksByTransitivity, 1.1s TimeCoverageRelationStatistics Valid=26106, Invalid=26106, Unknown=0, NotChecked=0, Total=52212 [2018-07-23 13:40:28,838 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 231 states. [2018-07-23 13:40:28,839 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 231 to 231. [2018-07-23 13:40:28,840 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 231 states. [2018-07-23 13:40:28,840 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 231 states to 231 states and 231 transitions. [2018-07-23 13:40:28,840 INFO L78 Accepts]: Start accepts. Automaton has 231 states and 231 transitions. Word has length 229 [2018-07-23 13:40:28,840 INFO L84 Accepts]: Finished accepts. word is rejected. [2018-07-23 13:40:28,840 INFO L471 AbstractCegarLoop]: Abstraction has 231 states and 231 transitions. [2018-07-23 13:40:28,840 INFO L472 AbstractCegarLoop]: Interpolant automaton has 229 states. [2018-07-23 13:40:28,840 INFO L276 IsEmpty]: Start isEmpty. Operand 231 states and 231 transitions. [2018-07-23 13:40:28,841 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 231 [2018-07-23 13:40:28,841 INFO L349 BasicCegarLoop]: Found error trace [2018-07-23 13:40:28,841 INFO L357 BasicCegarLoop]: trace histogram [227, 1, 1, 1] [2018-07-23 13:40:28,841 INFO L414 AbstractCegarLoop]: === Iteration 228 === [ULTIMATE.startErr0AssertViolationASSERT]=== [2018-07-23 13:40:28,841 INFO L82 PathProgramCache]: Analyzing trace with hash 165996616, now seen corresponding path program 227 times [2018-07-23 13:40:28,841 INFO L69 tionRefinementEngine]: Using refinement strategy FixedRefinementStrategy [2018-07-23 13:40:29,125 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-07-23 13:40:30,288 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 13:40:30,289 INFO L309 seRefinementStrategy]: Constructing automaton from 0 perfect and 1 imperfect interpolant sequences. [2018-07-23 13:40:30,289 INFO L324 seRefinementStrategy]: Number of different interpolants: perfect sequences [] imperfect sequences [229] total 229 [2018-07-23 13:40:30,289 INFO L142 lantAutomatonBuilder]: Constructing canonical interpolant automaton, with selfloop in false state [2018-07-23 13:40:30,289 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2018-07-23 13:40:30,290 INFO L185 omatonBuilderFactory]: Interpolants [134394#true, 134395#false, 134398#(<= ULTIMATE.start_main_~i~4 4), 134399#(<= ULTIMATE.start_main_~i~4 6), 134396#(<= ULTIMATE.start_main_~i~4 0), 134397#(<= ULTIMATE.start_main_~i~4 2), 134402#(<= ULTIMATE.start_main_~i~4 12), 134403#(<= ULTIMATE.start_main_~i~4 14), 134400#(<= ULTIMATE.start_main_~i~4 8), 134401#(<= ULTIMATE.start_main_~i~4 10), 134406#(<= ULTIMATE.start_main_~i~4 20), 134407#(<= ULTIMATE.start_main_~i~4 22), 134404#(<= ULTIMATE.start_main_~i~4 16), 134405#(<= ULTIMATE.start_main_~i~4 18), 134410#(<= ULTIMATE.start_main_~i~4 28), 134411#(<= ULTIMATE.start_main_~i~4 30), 134408#(<= ULTIMATE.start_main_~i~4 24), 134409#(<= ULTIMATE.start_main_~i~4 26), 134414#(<= ULTIMATE.start_main_~i~4 36), 134415#(<= ULTIMATE.start_main_~i~4 38), 134412#(<= ULTIMATE.start_main_~i~4 32), 134413#(<= ULTIMATE.start_main_~i~4 34), 134418#(<= ULTIMATE.start_main_~i~4 44), 134419#(<= ULTIMATE.start_main_~i~4 46), 134416#(<= ULTIMATE.start_main_~i~4 40), 134417#(<= ULTIMATE.start_main_~i~4 42), 134422#(<= ULTIMATE.start_main_~i~4 52), 134423#(<= ULTIMATE.start_main_~i~4 54), 134420#(<= ULTIMATE.start_main_~i~4 48), 134421#(<= ULTIMATE.start_main_~i~4 50), 134426#(<= ULTIMATE.start_main_~i~4 60), 134427#(<= ULTIMATE.start_main_~i~4 62), 134424#(<= ULTIMATE.start_main_~i~4 56), 134425#(<= ULTIMATE.start_main_~i~4 58), 134430#(<= ULTIMATE.start_main_~i~4 68), 134431#(<= ULTIMATE.start_main_~i~4 70), 134428#(<= ULTIMATE.start_main_~i~4 64), 134429#(<= ULTIMATE.start_main_~i~4 66), 134434#(<= ULTIMATE.start_main_~i~4 76), 134435#(<= ULTIMATE.start_main_~i~4 78), 134432#(<= ULTIMATE.start_main_~i~4 72), 134433#(<= ULTIMATE.start_main_~i~4 74), 134438#(<= ULTIMATE.start_main_~i~4 84), 134439#(<= ULTIMATE.start_main_~i~4 86), 134436#(<= ULTIMATE.start_main_~i~4 80), 134437#(<= ULTIMATE.start_main_~i~4 82), 134442#(<= ULTIMATE.start_main_~i~4 92), 134443#(<= ULTIMATE.start_main_~i~4 94), 134440#(<= ULTIMATE.start_main_~i~4 88), 134441#(<= ULTIMATE.start_main_~i~4 90), 134446#(<= ULTIMATE.start_main_~i~4 100), 134447#(<= ULTIMATE.start_main_~i~4 102), 134444#(<= ULTIMATE.start_main_~i~4 96), 134445#(<= ULTIMATE.start_main_~i~4 98), 134450#(<= ULTIMATE.start_main_~i~4 108), 134451#(<= ULTIMATE.start_main_~i~4 110), 134448#(<= ULTIMATE.start_main_~i~4 104), 134449#(<= ULTIMATE.start_main_~i~4 106), 134454#(<= ULTIMATE.start_main_~i~4 116), 134455#(<= ULTIMATE.start_main_~i~4 118), 134452#(<= ULTIMATE.start_main_~i~4 112), 134453#(<= ULTIMATE.start_main_~i~4 114), 134458#(<= ULTIMATE.start_main_~i~4 124), 134459#(<= ULTIMATE.start_main_~i~4 126), 134456#(<= ULTIMATE.start_main_~i~4 120), 134457#(<= ULTIMATE.start_main_~i~4 122), 134462#(<= ULTIMATE.start_main_~i~4 132), 134463#(<= ULTIMATE.start_main_~i~4 134), 134460#(<= ULTIMATE.start_main_~i~4 128), 134461#(<= ULTIMATE.start_main_~i~4 130), 134466#(<= ULTIMATE.start_main_~i~4 140), 134467#(<= ULTIMATE.start_main_~i~4 142), 134464#(<= ULTIMATE.start_main_~i~4 136), 134465#(<= ULTIMATE.start_main_~i~4 138), 134470#(<= ULTIMATE.start_main_~i~4 148), 134471#(<= ULTIMATE.start_main_~i~4 150), 134468#(<= ULTIMATE.start_main_~i~4 144), 134469#(<= ULTIMATE.start_main_~i~4 146), 134474#(<= ULTIMATE.start_main_~i~4 156), 134475#(<= ULTIMATE.start_main_~i~4 158), 134472#(<= ULTIMATE.start_main_~i~4 152), 134473#(<= ULTIMATE.start_main_~i~4 154), 134478#(<= ULTIMATE.start_main_~i~4 164), 134479#(<= ULTIMATE.start_main_~i~4 166), 134476#(<= ULTIMATE.start_main_~i~4 160), 134477#(<= ULTIMATE.start_main_~i~4 162), 134482#(<= ULTIMATE.start_main_~i~4 172), 134483#(<= ULTIMATE.start_main_~i~4 174), 134480#(<= ULTIMATE.start_main_~i~4 168), 134481#(<= ULTIMATE.start_main_~i~4 170), 134486#(<= ULTIMATE.start_main_~i~4 180), 134487#(<= ULTIMATE.start_main_~i~4 182), 134484#(<= ULTIMATE.start_main_~i~4 176), 134485#(<= ULTIMATE.start_main_~i~4 178), 134490#(<= ULTIMATE.start_main_~i~4 188), 134491#(<= ULTIMATE.start_main_~i~4 190), 134488#(<= ULTIMATE.start_main_~i~4 184), 134489#(<= ULTIMATE.start_main_~i~4 186), 134494#(<= ULTIMATE.start_main_~i~4 196), 134495#(<= ULTIMATE.start_main_~i~4 198), 134492#(<= ULTIMATE.start_main_~i~4 192), 134493#(<= ULTIMATE.start_main_~i~4 194), 134498#(<= ULTIMATE.start_main_~i~4 204), 134499#(<= ULTIMATE.start_main_~i~4 206), 134496#(<= ULTIMATE.start_main_~i~4 200), 134497#(<= ULTIMATE.start_main_~i~4 202), 134502#(<= ULTIMATE.start_main_~i~4 212), 134503#(<= ULTIMATE.start_main_~i~4 214), 134500#(<= ULTIMATE.start_main_~i~4 208), 134501#(<= ULTIMATE.start_main_~i~4 210), 134506#(<= ULTIMATE.start_main_~i~4 220), 134507#(<= ULTIMATE.start_main_~i~4 222), 134504#(<= ULTIMATE.start_main_~i~4 216), 134505#(<= ULTIMATE.start_main_~i~4 218), 134510#(<= ULTIMATE.start_main_~i~4 228), 134511#(<= ULTIMATE.start_main_~i~4 230), 134508#(<= ULTIMATE.start_main_~i~4 224), 134509#(<= ULTIMATE.start_main_~i~4 226), 134514#(<= ULTIMATE.start_main_~i~4 236), 134515#(<= ULTIMATE.start_main_~i~4 238), 134512#(<= ULTIMATE.start_main_~i~4 232), 134513#(<= ULTIMATE.start_main_~i~4 234), 134518#(<= ULTIMATE.start_main_~i~4 244), 134519#(<= ULTIMATE.start_main_~i~4 246), 134516#(<= ULTIMATE.start_main_~i~4 240), 134517#(<= ULTIMATE.start_main_~i~4 242), 134522#(<= ULTIMATE.start_main_~i~4 252), 134523#(<= ULTIMATE.start_main_~i~4 254), 134520#(<= ULTIMATE.start_main_~i~4 248), 134521#(<= ULTIMATE.start_main_~i~4 250), 134526#(<= ULTIMATE.start_main_~i~4 260), 134527#(<= ULTIMATE.start_main_~i~4 262), 134524#(<= ULTIMATE.start_main_~i~4 256), 134525#(<= ULTIMATE.start_main_~i~4 258), 134530#(<= ULTIMATE.start_main_~i~4 268), 134531#(<= ULTIMATE.start_main_~i~4 270), 134528#(<= ULTIMATE.start_main_~i~4 264), 134529#(<= ULTIMATE.start_main_~i~4 266), 134534#(<= ULTIMATE.start_main_~i~4 276), 134535#(<= ULTIMATE.start_main_~i~4 278), 134532#(<= ULTIMATE.start_main_~i~4 272), 134533#(<= ULTIMATE.start_main_~i~4 274), 134538#(<= ULTIMATE.start_main_~i~4 284), 134539#(<= ULTIMATE.start_main_~i~4 286), 134536#(<= ULTIMATE.start_main_~i~4 280), 134537#(<= ULTIMATE.start_main_~i~4 282), 134542#(<= ULTIMATE.start_main_~i~4 292), 134543#(<= ULTIMATE.start_main_~i~4 294), 134540#(<= ULTIMATE.start_main_~i~4 288), 134541#(<= ULTIMATE.start_main_~i~4 290), 134546#(<= ULTIMATE.start_main_~i~4 300), 134547#(<= ULTIMATE.start_main_~i~4 302), 134544#(<= ULTIMATE.start_main_~i~4 296), 134545#(<= ULTIMATE.start_main_~i~4 298), 134550#(<= ULTIMATE.start_main_~i~4 308), 134551#(<= ULTIMATE.start_main_~i~4 310), 134548#(<= ULTIMATE.start_main_~i~4 304), 134549#(<= ULTIMATE.start_main_~i~4 306), 134554#(<= ULTIMATE.start_main_~i~4 316), 134555#(<= ULTIMATE.start_main_~i~4 318), 134552#(<= ULTIMATE.start_main_~i~4 312), 134553#(<= ULTIMATE.start_main_~i~4 314), 134558#(<= ULTIMATE.start_main_~i~4 324), 134559#(<= ULTIMATE.start_main_~i~4 326), 134556#(<= ULTIMATE.start_main_~i~4 320), 134557#(<= ULTIMATE.start_main_~i~4 322), 134562#(<= ULTIMATE.start_main_~i~4 332), 134563#(<= ULTIMATE.start_main_~i~4 334), 134560#(<= ULTIMATE.start_main_~i~4 328), 134561#(<= ULTIMATE.start_main_~i~4 330), 134566#(<= ULTIMATE.start_main_~i~4 340), 134567#(<= ULTIMATE.start_main_~i~4 342), 134564#(<= ULTIMATE.start_main_~i~4 336), 134565#(<= ULTIMATE.start_main_~i~4 338), 134570#(<= ULTIMATE.start_main_~i~4 348), 134571#(<= ULTIMATE.start_main_~i~4 350), 134568#(<= ULTIMATE.start_main_~i~4 344), 134569#(<= ULTIMATE.start_main_~i~4 346), 134574#(<= ULTIMATE.start_main_~i~4 356), 134575#(<= ULTIMATE.start_main_~i~4 358), 134572#(<= ULTIMATE.start_main_~i~4 352), 134573#(<= ULTIMATE.start_main_~i~4 354), 134578#(<= ULTIMATE.start_main_~i~4 364), 134579#(<= ULTIMATE.start_main_~i~4 366), 134576#(<= ULTIMATE.start_main_~i~4 360), 134577#(<= ULTIMATE.start_main_~i~4 362), 134582#(<= ULTIMATE.start_main_~i~4 372), 134583#(<= ULTIMATE.start_main_~i~4 374), 134580#(<= ULTIMATE.start_main_~i~4 368), 134581#(<= ULTIMATE.start_main_~i~4 370), 134586#(<= ULTIMATE.start_main_~i~4 380), 134587#(<= ULTIMATE.start_main_~i~4 382), 134584#(<= ULTIMATE.start_main_~i~4 376), 134585#(<= ULTIMATE.start_main_~i~4 378), 134590#(<= ULTIMATE.start_main_~i~4 388), 134591#(<= ULTIMATE.start_main_~i~4 390), 134588#(<= ULTIMATE.start_main_~i~4 384), 134589#(<= ULTIMATE.start_main_~i~4 386), 134594#(<= ULTIMATE.start_main_~i~4 396), 134595#(<= ULTIMATE.start_main_~i~4 398), 134592#(<= ULTIMATE.start_main_~i~4 392), 134593#(<= ULTIMATE.start_main_~i~4 394), 134598#(<= ULTIMATE.start_main_~i~4 404), 134599#(<= ULTIMATE.start_main_~i~4 406), 134596#(<= ULTIMATE.start_main_~i~4 400), 134597#(<= ULTIMATE.start_main_~i~4 402), 134602#(<= ULTIMATE.start_main_~i~4 412), 134603#(<= ULTIMATE.start_main_~i~4 414), 134600#(<= ULTIMATE.start_main_~i~4 408), 134601#(<= ULTIMATE.start_main_~i~4 410), 134606#(<= ULTIMATE.start_main_~i~4 420), 134607#(<= ULTIMATE.start_main_~i~4 422), 134604#(<= ULTIMATE.start_main_~i~4 416), 134605#(<= ULTIMATE.start_main_~i~4 418), 134610#(<= ULTIMATE.start_main_~i~4 428), 134611#(<= ULTIMATE.start_main_~i~4 430), 134608#(<= ULTIMATE.start_main_~i~4 424), 134609#(<= ULTIMATE.start_main_~i~4 426), 134614#(<= ULTIMATE.start_main_~i~4 436), 134615#(<= ULTIMATE.start_main_~i~4 438), 134612#(<= ULTIMATE.start_main_~i~4 432), 134613#(<= ULTIMATE.start_main_~i~4 434), 134618#(<= ULTIMATE.start_main_~i~4 444), 134619#(<= ULTIMATE.start_main_~i~4 446), 134616#(<= ULTIMATE.start_main_~i~4 440), 134617#(<= ULTIMATE.start_main_~i~4 442), 134622#(<= ULTIMATE.start_main_~i~4 452), 134623#(<= ULTIMATE.start_main_~i~4 454), 134620#(<= ULTIMATE.start_main_~i~4 448), 134621#(<= ULTIMATE.start_main_~i~4 450)] [2018-07-23 13:40:30,291 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 13:40:30,291 INFO L450 AbstractCegarLoop]: Interpolant automaton has 230 states [2018-07-23 13:40:30,295 INFO L132 InterpolantAutomaton]: Constructing interpolant automaton starting with 230 interpolants. [2018-07-23 13:40:30,297 INFO L133 InterpolantAutomaton]: CoverageRelationStatistics Valid=26335, Invalid=26335, Unknown=0, NotChecked=0, Total=52670 [2018-07-23 13:40:30,297 INFO L87 Difference]: Start difference. First operand 231 states and 231 transitions. Second operand 230 states. [2018-07-23 13:40:32,356 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2018-07-23 13:40:32,357 INFO L93 Difference]: Finished difference Result 234 states and 234 transitions. [2018-07-23 13:40:32,357 INFO L142 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 230 states. [2018-07-23 13:40:32,357 INFO L78 Accepts]: Start accepts. Automaton has 230 states. Word has length 230 [2018-07-23 13:40:32,357 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2018-07-23 13:40:32,357 INFO L225 Difference]: With dead ends: 234 [2018-07-23 13:40:32,358 INFO L226 Difference]: Without dead ends: 232 [2018-07-23 13:40:32,361 INFO L575 BasicCegarLoop]: 0 DeclaredPredicates, 229 GetRequests, 1 SyntacticMatches, 0 SemanticMatches, 228 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 0 ImplicationChecksByTransitivity, 1.0s TimeCoverageRelationStatistics Valid=26335, Invalid=26335, Unknown=0, NotChecked=0, Total=52670 [2018-07-23 13:40:32,361 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 232 states. [2018-07-23 13:40:32,364 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 232 to 232. [2018-07-23 13:40:32,364 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 232 states. [2018-07-23 13:40:32,365 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 232 states to 232 states and 232 transitions. [2018-07-23 13:40:32,365 INFO L78 Accepts]: Start accepts. Automaton has 232 states and 232 transitions. Word has length 230 [2018-07-23 13:40:32,365 INFO L84 Accepts]: Finished accepts. word is rejected. [2018-07-23 13:40:32,365 INFO L471 AbstractCegarLoop]: Abstraction has 232 states and 232 transitions. [2018-07-23 13:40:32,365 INFO L472 AbstractCegarLoop]: Interpolant automaton has 230 states. [2018-07-23 13:40:32,365 INFO L276 IsEmpty]: Start isEmpty. Operand 232 states and 232 transitions. [2018-07-23 13:40:32,366 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 232 [2018-07-23 13:40:32,366 INFO L349 BasicCegarLoop]: Found error trace [2018-07-23 13:40:32,366 INFO L357 BasicCegarLoop]: trace histogram [228, 1, 1, 1] [2018-07-23 13:40:32,366 INFO L414 AbstractCegarLoop]: === Iteration 229 === [ULTIMATE.startErr0AssertViolationASSERT]=== [2018-07-23 13:40:32,366 INFO L82 PathProgramCache]: Analyzing trace with hash 850925825, now seen corresponding path program 228 times [2018-07-23 13:40:32,366 INFO L69 tionRefinementEngine]: Using refinement strategy FixedRefinementStrategy [2018-07-23 13:40:32,705 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-07-23 13:40:34,055 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 13:40:34,056 INFO L309 seRefinementStrategy]: Constructing automaton from 0 perfect and 1 imperfect interpolant sequences. [2018-07-23 13:40:34,056 INFO L324 seRefinementStrategy]: Number of different interpolants: perfect sequences [] imperfect sequences [230] total 230 [2018-07-23 13:40:34,056 INFO L142 lantAutomatonBuilder]: Constructing canonical interpolant automaton, with selfloop in false state [2018-07-23 13:40:34,056 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2018-07-23 13:40:34,056 INFO L185 omatonBuilderFactory]: Interpolants [135682#(<= ULTIMATE.start_main_~i~4 248), 135683#(<= ULTIMATE.start_main_~i~4 250), 135680#(<= ULTIMATE.start_main_~i~4 244), 135681#(<= ULTIMATE.start_main_~i~4 246), 135686#(<= ULTIMATE.start_main_~i~4 256), 135687#(<= ULTIMATE.start_main_~i~4 258), 135684#(<= ULTIMATE.start_main_~i~4 252), 135685#(<= ULTIMATE.start_main_~i~4 254), 135690#(<= ULTIMATE.start_main_~i~4 264), 135691#(<= ULTIMATE.start_main_~i~4 266), 135688#(<= ULTIMATE.start_main_~i~4 260), 135689#(<= ULTIMATE.start_main_~i~4 262), 135694#(<= ULTIMATE.start_main_~i~4 272), 135695#(<= ULTIMATE.start_main_~i~4 274), 135692#(<= ULTIMATE.start_main_~i~4 268), 135693#(<= ULTIMATE.start_main_~i~4 270), 135698#(<= ULTIMATE.start_main_~i~4 280), 135699#(<= ULTIMATE.start_main_~i~4 282), 135696#(<= ULTIMATE.start_main_~i~4 276), 135697#(<= ULTIMATE.start_main_~i~4 278), 135702#(<= ULTIMATE.start_main_~i~4 288), 135703#(<= ULTIMATE.start_main_~i~4 290), 135700#(<= ULTIMATE.start_main_~i~4 284), 135701#(<= ULTIMATE.start_main_~i~4 286), 135706#(<= ULTIMATE.start_main_~i~4 296), 135707#(<= ULTIMATE.start_main_~i~4 298), 135704#(<= ULTIMATE.start_main_~i~4 292), 135705#(<= ULTIMATE.start_main_~i~4 294), 135710#(<= ULTIMATE.start_main_~i~4 304), 135711#(<= ULTIMATE.start_main_~i~4 306), 135708#(<= ULTIMATE.start_main_~i~4 300), 135709#(<= ULTIMATE.start_main_~i~4 302), 135714#(<= ULTIMATE.start_main_~i~4 312), 135715#(<= ULTIMATE.start_main_~i~4 314), 135712#(<= ULTIMATE.start_main_~i~4 308), 135713#(<= ULTIMATE.start_main_~i~4 310), 135718#(<= ULTIMATE.start_main_~i~4 320), 135719#(<= ULTIMATE.start_main_~i~4 322), 135716#(<= ULTIMATE.start_main_~i~4 316), 135717#(<= ULTIMATE.start_main_~i~4 318), 135722#(<= ULTIMATE.start_main_~i~4 328), 135723#(<= ULTIMATE.start_main_~i~4 330), 135720#(<= ULTIMATE.start_main_~i~4 324), 135721#(<= ULTIMATE.start_main_~i~4 326), 135726#(<= ULTIMATE.start_main_~i~4 336), 135727#(<= ULTIMATE.start_main_~i~4 338), 135724#(<= ULTIMATE.start_main_~i~4 332), 135725#(<= ULTIMATE.start_main_~i~4 334), 135730#(<= ULTIMATE.start_main_~i~4 344), 135731#(<= ULTIMATE.start_main_~i~4 346), 135728#(<= ULTIMATE.start_main_~i~4 340), 135729#(<= ULTIMATE.start_main_~i~4 342), 135734#(<= ULTIMATE.start_main_~i~4 352), 135735#(<= ULTIMATE.start_main_~i~4 354), 135732#(<= ULTIMATE.start_main_~i~4 348), 135733#(<= ULTIMATE.start_main_~i~4 350), 135738#(<= ULTIMATE.start_main_~i~4 360), 135739#(<= ULTIMATE.start_main_~i~4 362), 135736#(<= ULTIMATE.start_main_~i~4 356), 135737#(<= ULTIMATE.start_main_~i~4 358), 135742#(<= ULTIMATE.start_main_~i~4 368), 135743#(<= ULTIMATE.start_main_~i~4 370), 135740#(<= ULTIMATE.start_main_~i~4 364), 135741#(<= ULTIMATE.start_main_~i~4 366), 135746#(<= ULTIMATE.start_main_~i~4 376), 135747#(<= ULTIMATE.start_main_~i~4 378), 135744#(<= ULTIMATE.start_main_~i~4 372), 135745#(<= ULTIMATE.start_main_~i~4 374), 135750#(<= ULTIMATE.start_main_~i~4 384), 135751#(<= ULTIMATE.start_main_~i~4 386), 135748#(<= ULTIMATE.start_main_~i~4 380), 135749#(<= ULTIMATE.start_main_~i~4 382), 135754#(<= ULTIMATE.start_main_~i~4 392), 135755#(<= ULTIMATE.start_main_~i~4 394), 135752#(<= ULTIMATE.start_main_~i~4 388), 135753#(<= ULTIMATE.start_main_~i~4 390), 135758#(<= ULTIMATE.start_main_~i~4 400), 135759#(<= ULTIMATE.start_main_~i~4 402), 135756#(<= ULTIMATE.start_main_~i~4 396), 135757#(<= ULTIMATE.start_main_~i~4 398), 135762#(<= ULTIMATE.start_main_~i~4 408), 135763#(<= ULTIMATE.start_main_~i~4 410), 135760#(<= ULTIMATE.start_main_~i~4 404), 135761#(<= ULTIMATE.start_main_~i~4 406), 135766#(<= ULTIMATE.start_main_~i~4 416), 135767#(<= ULTIMATE.start_main_~i~4 418), 135764#(<= ULTIMATE.start_main_~i~4 412), 135765#(<= ULTIMATE.start_main_~i~4 414), 135770#(<= ULTIMATE.start_main_~i~4 424), 135771#(<= ULTIMATE.start_main_~i~4 426), 135768#(<= ULTIMATE.start_main_~i~4 420), 135769#(<= ULTIMATE.start_main_~i~4 422), 135774#(<= ULTIMATE.start_main_~i~4 432), 135775#(<= ULTIMATE.start_main_~i~4 434), 135772#(<= ULTIMATE.start_main_~i~4 428), 135773#(<= ULTIMATE.start_main_~i~4 430), 135778#(<= ULTIMATE.start_main_~i~4 440), 135779#(<= ULTIMATE.start_main_~i~4 442), 135776#(<= ULTIMATE.start_main_~i~4 436), 135777#(<= ULTIMATE.start_main_~i~4 438), 135782#(<= ULTIMATE.start_main_~i~4 448), 135783#(<= ULTIMATE.start_main_~i~4 450), 135780#(<= ULTIMATE.start_main_~i~4 444), 135781#(<= ULTIMATE.start_main_~i~4 446), 135786#(<= ULTIMATE.start_main_~i~4 456), 135784#(<= ULTIMATE.start_main_~i~4 452), 135785#(<= ULTIMATE.start_main_~i~4 454), 135558#(<= ULTIMATE.start_main_~i~4 0), 135559#(<= ULTIMATE.start_main_~i~4 2), 135556#true, 135557#false, 135562#(<= ULTIMATE.start_main_~i~4 8), 135563#(<= ULTIMATE.start_main_~i~4 10), 135560#(<= ULTIMATE.start_main_~i~4 4), 135561#(<= ULTIMATE.start_main_~i~4 6), 135566#(<= ULTIMATE.start_main_~i~4 16), 135567#(<= ULTIMATE.start_main_~i~4 18), 135564#(<= ULTIMATE.start_main_~i~4 12), 135565#(<= ULTIMATE.start_main_~i~4 14), 135570#(<= ULTIMATE.start_main_~i~4 24), 135571#(<= ULTIMATE.start_main_~i~4 26), 135568#(<= ULTIMATE.start_main_~i~4 20), 135569#(<= ULTIMATE.start_main_~i~4 22), 135574#(<= ULTIMATE.start_main_~i~4 32), 135575#(<= ULTIMATE.start_main_~i~4 34), 135572#(<= ULTIMATE.start_main_~i~4 28), 135573#(<= ULTIMATE.start_main_~i~4 30), 135578#(<= ULTIMATE.start_main_~i~4 40), 135579#(<= ULTIMATE.start_main_~i~4 42), 135576#(<= ULTIMATE.start_main_~i~4 36), 135577#(<= ULTIMATE.start_main_~i~4 38), 135582#(<= ULTIMATE.start_main_~i~4 48), 135583#(<= ULTIMATE.start_main_~i~4 50), 135580#(<= ULTIMATE.start_main_~i~4 44), 135581#(<= ULTIMATE.start_main_~i~4 46), 135586#(<= ULTIMATE.start_main_~i~4 56), 135587#(<= ULTIMATE.start_main_~i~4 58), 135584#(<= ULTIMATE.start_main_~i~4 52), 135585#(<= ULTIMATE.start_main_~i~4 54), 135590#(<= ULTIMATE.start_main_~i~4 64), 135591#(<= ULTIMATE.start_main_~i~4 66), 135588#(<= ULTIMATE.start_main_~i~4 60), 135589#(<= ULTIMATE.start_main_~i~4 62), 135594#(<= ULTIMATE.start_main_~i~4 72), 135595#(<= ULTIMATE.start_main_~i~4 74), 135592#(<= ULTIMATE.start_main_~i~4 68), 135593#(<= ULTIMATE.start_main_~i~4 70), 135598#(<= ULTIMATE.start_main_~i~4 80), 135599#(<= ULTIMATE.start_main_~i~4 82), 135596#(<= ULTIMATE.start_main_~i~4 76), 135597#(<= ULTIMATE.start_main_~i~4 78), 135602#(<= ULTIMATE.start_main_~i~4 88), 135603#(<= ULTIMATE.start_main_~i~4 90), 135600#(<= ULTIMATE.start_main_~i~4 84), 135601#(<= ULTIMATE.start_main_~i~4 86), 135606#(<= ULTIMATE.start_main_~i~4 96), 135607#(<= ULTIMATE.start_main_~i~4 98), 135604#(<= ULTIMATE.start_main_~i~4 92), 135605#(<= ULTIMATE.start_main_~i~4 94), 135610#(<= ULTIMATE.start_main_~i~4 104), 135611#(<= ULTIMATE.start_main_~i~4 106), 135608#(<= ULTIMATE.start_main_~i~4 100), 135609#(<= ULTIMATE.start_main_~i~4 102), 135614#(<= ULTIMATE.start_main_~i~4 112), 135615#(<= ULTIMATE.start_main_~i~4 114), 135612#(<= ULTIMATE.start_main_~i~4 108), 135613#(<= ULTIMATE.start_main_~i~4 110), 135618#(<= ULTIMATE.start_main_~i~4 120), 135619#(<= ULTIMATE.start_main_~i~4 122), 135616#(<= ULTIMATE.start_main_~i~4 116), 135617#(<= ULTIMATE.start_main_~i~4 118), 135622#(<= ULTIMATE.start_main_~i~4 128), 135623#(<= ULTIMATE.start_main_~i~4 130), 135620#(<= ULTIMATE.start_main_~i~4 124), 135621#(<= ULTIMATE.start_main_~i~4 126), 135626#(<= ULTIMATE.start_main_~i~4 136), 135627#(<= ULTIMATE.start_main_~i~4 138), 135624#(<= ULTIMATE.start_main_~i~4 132), 135625#(<= ULTIMATE.start_main_~i~4 134), 135630#(<= ULTIMATE.start_main_~i~4 144), 135631#(<= ULTIMATE.start_main_~i~4 146), 135628#(<= ULTIMATE.start_main_~i~4 140), 135629#(<= ULTIMATE.start_main_~i~4 142), 135634#(<= ULTIMATE.start_main_~i~4 152), 135635#(<= ULTIMATE.start_main_~i~4 154), 135632#(<= ULTIMATE.start_main_~i~4 148), 135633#(<= ULTIMATE.start_main_~i~4 150), 135638#(<= ULTIMATE.start_main_~i~4 160), 135639#(<= ULTIMATE.start_main_~i~4 162), 135636#(<= ULTIMATE.start_main_~i~4 156), 135637#(<= ULTIMATE.start_main_~i~4 158), 135642#(<= ULTIMATE.start_main_~i~4 168), 135643#(<= ULTIMATE.start_main_~i~4 170), 135640#(<= ULTIMATE.start_main_~i~4 164), 135641#(<= ULTIMATE.start_main_~i~4 166), 135646#(<= ULTIMATE.start_main_~i~4 176), 135647#(<= ULTIMATE.start_main_~i~4 178), 135644#(<= ULTIMATE.start_main_~i~4 172), 135645#(<= ULTIMATE.start_main_~i~4 174), 135650#(<= ULTIMATE.start_main_~i~4 184), 135651#(<= ULTIMATE.start_main_~i~4 186), 135648#(<= ULTIMATE.start_main_~i~4 180), 135649#(<= ULTIMATE.start_main_~i~4 182), 135654#(<= ULTIMATE.start_main_~i~4 192), 135655#(<= ULTIMATE.start_main_~i~4 194), 135652#(<= ULTIMATE.start_main_~i~4 188), 135653#(<= ULTIMATE.start_main_~i~4 190), 135658#(<= ULTIMATE.start_main_~i~4 200), 135659#(<= ULTIMATE.start_main_~i~4 202), 135656#(<= ULTIMATE.start_main_~i~4 196), 135657#(<= ULTIMATE.start_main_~i~4 198), 135662#(<= ULTIMATE.start_main_~i~4 208), 135663#(<= ULTIMATE.start_main_~i~4 210), 135660#(<= ULTIMATE.start_main_~i~4 204), 135661#(<= ULTIMATE.start_main_~i~4 206), 135666#(<= ULTIMATE.start_main_~i~4 216), 135667#(<= ULTIMATE.start_main_~i~4 218), 135664#(<= ULTIMATE.start_main_~i~4 212), 135665#(<= ULTIMATE.start_main_~i~4 214), 135670#(<= ULTIMATE.start_main_~i~4 224), 135671#(<= ULTIMATE.start_main_~i~4 226), 135668#(<= ULTIMATE.start_main_~i~4 220), 135669#(<= ULTIMATE.start_main_~i~4 222), 135674#(<= ULTIMATE.start_main_~i~4 232), 135675#(<= ULTIMATE.start_main_~i~4 234), 135672#(<= ULTIMATE.start_main_~i~4 228), 135673#(<= ULTIMATE.start_main_~i~4 230), 135678#(<= ULTIMATE.start_main_~i~4 240), 135679#(<= ULTIMATE.start_main_~i~4 242), 135676#(<= ULTIMATE.start_main_~i~4 236), 135677#(<= ULTIMATE.start_main_~i~4 238)] [2018-07-23 13:40:34,058 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 13:40:34,058 INFO L450 AbstractCegarLoop]: Interpolant automaton has 231 states [2018-07-23 13:40:34,061 INFO L132 InterpolantAutomaton]: Constructing interpolant automaton starting with 231 interpolants. [2018-07-23 13:40:34,063 INFO L133 InterpolantAutomaton]: CoverageRelationStatistics Valid=26565, Invalid=26565, Unknown=0, NotChecked=0, Total=53130 [2018-07-23 13:40:34,063 INFO L87 Difference]: Start difference. First operand 232 states and 232 transitions. Second operand 231 states. [2018-07-23 13:40:34,569 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2018-07-23 13:40:34,569 INFO L93 Difference]: Finished difference Result 235 states and 235 transitions. [2018-07-23 13:40:34,569 INFO L142 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 231 states. [2018-07-23 13:40:34,569 INFO L78 Accepts]: Start accepts. Automaton has 231 states. Word has length 231 [2018-07-23 13:40:34,570 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2018-07-23 13:40:34,570 INFO L225 Difference]: With dead ends: 235 [2018-07-23 13:40:34,570 INFO L226 Difference]: Without dead ends: 233 [2018-07-23 13:40:34,572 INFO L575 BasicCegarLoop]: 0 DeclaredPredicates, 230 GetRequests, 1 SyntacticMatches, 0 SemanticMatches, 229 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 0 ImplicationChecksByTransitivity, 1.2s TimeCoverageRelationStatistics Valid=26565, Invalid=26565, Unknown=0, NotChecked=0, Total=53130 [2018-07-23 13:40:34,572 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 233 states. [2018-07-23 13:40:34,574 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 233 to 233. [2018-07-23 13:40:34,574 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 233 states. [2018-07-23 13:40:34,575 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 233 states to 233 states and 233 transitions. [2018-07-23 13:40:34,575 INFO L78 Accepts]: Start accepts. Automaton has 233 states and 233 transitions. Word has length 231 [2018-07-23 13:40:34,575 INFO L84 Accepts]: Finished accepts. word is rejected. [2018-07-23 13:40:34,575 INFO L471 AbstractCegarLoop]: Abstraction has 233 states and 233 transitions. [2018-07-23 13:40:34,575 INFO L472 AbstractCegarLoop]: Interpolant automaton has 231 states. [2018-07-23 13:40:34,575 INFO L276 IsEmpty]: Start isEmpty. Operand 233 states and 233 transitions. [2018-07-23 13:40:34,576 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 233 [2018-07-23 13:40:34,576 INFO L349 BasicCegarLoop]: Found error trace [2018-07-23 13:40:34,576 INFO L357 BasicCegarLoop]: trace histogram [229, 1, 1, 1] [2018-07-23 13:40:34,576 INFO L414 AbstractCegarLoop]: === Iteration 230 === [ULTIMATE.startErr0AssertViolationASSERT]=== [2018-07-23 13:40:34,576 INFO L82 PathProgramCache]: Analyzing trace with hash 608894824, now seen corresponding path program 229 times [2018-07-23 13:40:34,576 INFO L69 tionRefinementEngine]: Using refinement strategy FixedRefinementStrategy [2018-07-23 13:40:34,868 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-07-23 13:40:36,042 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 13:40:36,042 INFO L309 seRefinementStrategy]: Constructing automaton from 0 perfect and 1 imperfect interpolant sequences. [2018-07-23 13:40:36,042 INFO L324 seRefinementStrategy]: Number of different interpolants: perfect sequences [] imperfect sequences [231] total 231 [2018-07-23 13:40:36,042 INFO L142 lantAutomatonBuilder]: Constructing canonical interpolant automaton, with selfloop in false state [2018-07-23 13:40:36,043 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2018-07-23 13:40:36,043 INFO L185 omatonBuilderFactory]: Interpolants [136723#true, 136726#(<= ULTIMATE.start_main_~i~4 2), 136727#(<= ULTIMATE.start_main_~i~4 4), 136724#false, 136725#(<= ULTIMATE.start_main_~i~4 0), 136730#(<= ULTIMATE.start_main_~i~4 10), 136731#(<= ULTIMATE.start_main_~i~4 12), 136728#(<= ULTIMATE.start_main_~i~4 6), 136729#(<= ULTIMATE.start_main_~i~4 8), 136734#(<= ULTIMATE.start_main_~i~4 18), 136735#(<= ULTIMATE.start_main_~i~4 20), 136732#(<= ULTIMATE.start_main_~i~4 14), 136733#(<= ULTIMATE.start_main_~i~4 16), 136738#(<= ULTIMATE.start_main_~i~4 26), 136739#(<= ULTIMATE.start_main_~i~4 28), 136736#(<= ULTIMATE.start_main_~i~4 22), 136737#(<= ULTIMATE.start_main_~i~4 24), 136742#(<= ULTIMATE.start_main_~i~4 34), 136743#(<= ULTIMATE.start_main_~i~4 36), 136740#(<= ULTIMATE.start_main_~i~4 30), 136741#(<= ULTIMATE.start_main_~i~4 32), 136746#(<= ULTIMATE.start_main_~i~4 42), 136747#(<= ULTIMATE.start_main_~i~4 44), 136744#(<= ULTIMATE.start_main_~i~4 38), 136745#(<= ULTIMATE.start_main_~i~4 40), 136750#(<= ULTIMATE.start_main_~i~4 50), 136751#(<= ULTIMATE.start_main_~i~4 52), 136748#(<= ULTIMATE.start_main_~i~4 46), 136749#(<= ULTIMATE.start_main_~i~4 48), 136754#(<= ULTIMATE.start_main_~i~4 58), 136755#(<= ULTIMATE.start_main_~i~4 60), 136752#(<= ULTIMATE.start_main_~i~4 54), 136753#(<= ULTIMATE.start_main_~i~4 56), 136758#(<= ULTIMATE.start_main_~i~4 66), 136759#(<= ULTIMATE.start_main_~i~4 68), 136756#(<= ULTIMATE.start_main_~i~4 62), 136757#(<= ULTIMATE.start_main_~i~4 64), 136762#(<= ULTIMATE.start_main_~i~4 74), 136763#(<= ULTIMATE.start_main_~i~4 76), 136760#(<= ULTIMATE.start_main_~i~4 70), 136761#(<= ULTIMATE.start_main_~i~4 72), 136766#(<= ULTIMATE.start_main_~i~4 82), 136767#(<= ULTIMATE.start_main_~i~4 84), 136764#(<= ULTIMATE.start_main_~i~4 78), 136765#(<= ULTIMATE.start_main_~i~4 80), 136770#(<= ULTIMATE.start_main_~i~4 90), 136771#(<= ULTIMATE.start_main_~i~4 92), 136768#(<= ULTIMATE.start_main_~i~4 86), 136769#(<= ULTIMATE.start_main_~i~4 88), 136774#(<= ULTIMATE.start_main_~i~4 98), 136775#(<= ULTIMATE.start_main_~i~4 100), 136772#(<= ULTIMATE.start_main_~i~4 94), 136773#(<= ULTIMATE.start_main_~i~4 96), 136778#(<= ULTIMATE.start_main_~i~4 106), 136779#(<= ULTIMATE.start_main_~i~4 108), 136776#(<= ULTIMATE.start_main_~i~4 102), 136777#(<= ULTIMATE.start_main_~i~4 104), 136782#(<= ULTIMATE.start_main_~i~4 114), 136783#(<= ULTIMATE.start_main_~i~4 116), 136780#(<= ULTIMATE.start_main_~i~4 110), 136781#(<= ULTIMATE.start_main_~i~4 112), 136786#(<= ULTIMATE.start_main_~i~4 122), 136787#(<= ULTIMATE.start_main_~i~4 124), 136784#(<= ULTIMATE.start_main_~i~4 118), 136785#(<= ULTIMATE.start_main_~i~4 120), 136790#(<= ULTIMATE.start_main_~i~4 130), 136791#(<= ULTIMATE.start_main_~i~4 132), 136788#(<= ULTIMATE.start_main_~i~4 126), 136789#(<= ULTIMATE.start_main_~i~4 128), 136794#(<= ULTIMATE.start_main_~i~4 138), 136795#(<= ULTIMATE.start_main_~i~4 140), 136792#(<= ULTIMATE.start_main_~i~4 134), 136793#(<= ULTIMATE.start_main_~i~4 136), 136798#(<= ULTIMATE.start_main_~i~4 146), 136799#(<= ULTIMATE.start_main_~i~4 148), 136796#(<= ULTIMATE.start_main_~i~4 142), 136797#(<= ULTIMATE.start_main_~i~4 144), 136802#(<= ULTIMATE.start_main_~i~4 154), 136803#(<= ULTIMATE.start_main_~i~4 156), 136800#(<= ULTIMATE.start_main_~i~4 150), 136801#(<= ULTIMATE.start_main_~i~4 152), 136806#(<= ULTIMATE.start_main_~i~4 162), 136807#(<= ULTIMATE.start_main_~i~4 164), 136804#(<= ULTIMATE.start_main_~i~4 158), 136805#(<= ULTIMATE.start_main_~i~4 160), 136810#(<= ULTIMATE.start_main_~i~4 170), 136811#(<= ULTIMATE.start_main_~i~4 172), 136808#(<= ULTIMATE.start_main_~i~4 166), 136809#(<= ULTIMATE.start_main_~i~4 168), 136814#(<= ULTIMATE.start_main_~i~4 178), 136815#(<= ULTIMATE.start_main_~i~4 180), 136812#(<= ULTIMATE.start_main_~i~4 174), 136813#(<= ULTIMATE.start_main_~i~4 176), 136818#(<= ULTIMATE.start_main_~i~4 186), 136819#(<= ULTIMATE.start_main_~i~4 188), 136816#(<= ULTIMATE.start_main_~i~4 182), 136817#(<= ULTIMATE.start_main_~i~4 184), 136822#(<= ULTIMATE.start_main_~i~4 194), 136823#(<= ULTIMATE.start_main_~i~4 196), 136820#(<= ULTIMATE.start_main_~i~4 190), 136821#(<= ULTIMATE.start_main_~i~4 192), 136826#(<= ULTIMATE.start_main_~i~4 202), 136827#(<= ULTIMATE.start_main_~i~4 204), 136824#(<= ULTIMATE.start_main_~i~4 198), 136825#(<= ULTIMATE.start_main_~i~4 200), 136830#(<= ULTIMATE.start_main_~i~4 210), 136831#(<= ULTIMATE.start_main_~i~4 212), 136828#(<= ULTIMATE.start_main_~i~4 206), 136829#(<= ULTIMATE.start_main_~i~4 208), 136834#(<= ULTIMATE.start_main_~i~4 218), 136835#(<= ULTIMATE.start_main_~i~4 220), 136832#(<= ULTIMATE.start_main_~i~4 214), 136833#(<= ULTIMATE.start_main_~i~4 216), 136838#(<= ULTIMATE.start_main_~i~4 226), 136839#(<= ULTIMATE.start_main_~i~4 228), 136836#(<= ULTIMATE.start_main_~i~4 222), 136837#(<= ULTIMATE.start_main_~i~4 224), 136842#(<= ULTIMATE.start_main_~i~4 234), 136843#(<= ULTIMATE.start_main_~i~4 236), 136840#(<= ULTIMATE.start_main_~i~4 230), 136841#(<= ULTIMATE.start_main_~i~4 232), 136846#(<= ULTIMATE.start_main_~i~4 242), 136847#(<= ULTIMATE.start_main_~i~4 244), 136844#(<= ULTIMATE.start_main_~i~4 238), 136845#(<= ULTIMATE.start_main_~i~4 240), 136850#(<= ULTIMATE.start_main_~i~4 250), 136851#(<= ULTIMATE.start_main_~i~4 252), 136848#(<= ULTIMATE.start_main_~i~4 246), 136849#(<= ULTIMATE.start_main_~i~4 248), 136854#(<= ULTIMATE.start_main_~i~4 258), 136855#(<= ULTIMATE.start_main_~i~4 260), 136852#(<= ULTIMATE.start_main_~i~4 254), 136853#(<= ULTIMATE.start_main_~i~4 256), 136858#(<= ULTIMATE.start_main_~i~4 266), 136859#(<= ULTIMATE.start_main_~i~4 268), 136856#(<= ULTIMATE.start_main_~i~4 262), 136857#(<= ULTIMATE.start_main_~i~4 264), 136862#(<= ULTIMATE.start_main_~i~4 274), 136863#(<= ULTIMATE.start_main_~i~4 276), 136860#(<= ULTIMATE.start_main_~i~4 270), 136861#(<= ULTIMATE.start_main_~i~4 272), 136866#(<= ULTIMATE.start_main_~i~4 282), 136867#(<= ULTIMATE.start_main_~i~4 284), 136864#(<= ULTIMATE.start_main_~i~4 278), 136865#(<= ULTIMATE.start_main_~i~4 280), 136870#(<= ULTIMATE.start_main_~i~4 290), 136871#(<= ULTIMATE.start_main_~i~4 292), 136868#(<= ULTIMATE.start_main_~i~4 286), 136869#(<= ULTIMATE.start_main_~i~4 288), 136874#(<= ULTIMATE.start_main_~i~4 298), 136875#(<= ULTIMATE.start_main_~i~4 300), 136872#(<= ULTIMATE.start_main_~i~4 294), 136873#(<= ULTIMATE.start_main_~i~4 296), 136878#(<= ULTIMATE.start_main_~i~4 306), 136879#(<= ULTIMATE.start_main_~i~4 308), 136876#(<= ULTIMATE.start_main_~i~4 302), 136877#(<= ULTIMATE.start_main_~i~4 304), 136882#(<= ULTIMATE.start_main_~i~4 314), 136883#(<= ULTIMATE.start_main_~i~4 316), 136880#(<= ULTIMATE.start_main_~i~4 310), 136881#(<= ULTIMATE.start_main_~i~4 312), 136886#(<= ULTIMATE.start_main_~i~4 322), 136887#(<= ULTIMATE.start_main_~i~4 324), 136884#(<= ULTIMATE.start_main_~i~4 318), 136885#(<= ULTIMATE.start_main_~i~4 320), 136890#(<= ULTIMATE.start_main_~i~4 330), 136891#(<= ULTIMATE.start_main_~i~4 332), 136888#(<= ULTIMATE.start_main_~i~4 326), 136889#(<= ULTIMATE.start_main_~i~4 328), 136894#(<= ULTIMATE.start_main_~i~4 338), 136895#(<= ULTIMATE.start_main_~i~4 340), 136892#(<= ULTIMATE.start_main_~i~4 334), 136893#(<= ULTIMATE.start_main_~i~4 336), 136898#(<= ULTIMATE.start_main_~i~4 346), 136899#(<= ULTIMATE.start_main_~i~4 348), 136896#(<= ULTIMATE.start_main_~i~4 342), 136897#(<= ULTIMATE.start_main_~i~4 344), 136902#(<= ULTIMATE.start_main_~i~4 354), 136903#(<= ULTIMATE.start_main_~i~4 356), 136900#(<= ULTIMATE.start_main_~i~4 350), 136901#(<= ULTIMATE.start_main_~i~4 352), 136906#(<= ULTIMATE.start_main_~i~4 362), 136907#(<= ULTIMATE.start_main_~i~4 364), 136904#(<= ULTIMATE.start_main_~i~4 358), 136905#(<= ULTIMATE.start_main_~i~4 360), 136910#(<= ULTIMATE.start_main_~i~4 370), 136911#(<= ULTIMATE.start_main_~i~4 372), 136908#(<= ULTIMATE.start_main_~i~4 366), 136909#(<= ULTIMATE.start_main_~i~4 368), 136914#(<= ULTIMATE.start_main_~i~4 378), 136915#(<= ULTIMATE.start_main_~i~4 380), 136912#(<= ULTIMATE.start_main_~i~4 374), 136913#(<= ULTIMATE.start_main_~i~4 376), 136918#(<= ULTIMATE.start_main_~i~4 386), 136919#(<= ULTIMATE.start_main_~i~4 388), 136916#(<= ULTIMATE.start_main_~i~4 382), 136917#(<= ULTIMATE.start_main_~i~4 384), 136922#(<= ULTIMATE.start_main_~i~4 394), 136923#(<= ULTIMATE.start_main_~i~4 396), 136920#(<= ULTIMATE.start_main_~i~4 390), 136921#(<= ULTIMATE.start_main_~i~4 392), 136926#(<= ULTIMATE.start_main_~i~4 402), 136927#(<= ULTIMATE.start_main_~i~4 404), 136924#(<= ULTIMATE.start_main_~i~4 398), 136925#(<= ULTIMATE.start_main_~i~4 400), 136930#(<= ULTIMATE.start_main_~i~4 410), 136931#(<= ULTIMATE.start_main_~i~4 412), 136928#(<= ULTIMATE.start_main_~i~4 406), 136929#(<= ULTIMATE.start_main_~i~4 408), 136934#(<= ULTIMATE.start_main_~i~4 418), 136935#(<= ULTIMATE.start_main_~i~4 420), 136932#(<= ULTIMATE.start_main_~i~4 414), 136933#(<= ULTIMATE.start_main_~i~4 416), 136938#(<= ULTIMATE.start_main_~i~4 426), 136939#(<= ULTIMATE.start_main_~i~4 428), 136936#(<= ULTIMATE.start_main_~i~4 422), 136937#(<= ULTIMATE.start_main_~i~4 424), 136942#(<= ULTIMATE.start_main_~i~4 434), 136943#(<= ULTIMATE.start_main_~i~4 436), 136940#(<= ULTIMATE.start_main_~i~4 430), 136941#(<= ULTIMATE.start_main_~i~4 432), 136946#(<= ULTIMATE.start_main_~i~4 442), 136947#(<= ULTIMATE.start_main_~i~4 444), 136944#(<= ULTIMATE.start_main_~i~4 438), 136945#(<= ULTIMATE.start_main_~i~4 440), 136950#(<= ULTIMATE.start_main_~i~4 450), 136951#(<= ULTIMATE.start_main_~i~4 452), 136948#(<= ULTIMATE.start_main_~i~4 446), 136949#(<= ULTIMATE.start_main_~i~4 448), 136954#(<= ULTIMATE.start_main_~i~4 458), 136952#(<= ULTIMATE.start_main_~i~4 454), 136953#(<= ULTIMATE.start_main_~i~4 456)] [2018-07-23 13:40:36,044 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 13:40:36,045 INFO L450 AbstractCegarLoop]: Interpolant automaton has 232 states [2018-07-23 13:40:36,048 INFO L132 InterpolantAutomaton]: Constructing interpolant automaton starting with 232 interpolants. [2018-07-23 13:40:36,050 INFO L133 InterpolantAutomaton]: CoverageRelationStatistics Valid=26796, Invalid=26796, Unknown=0, NotChecked=0, Total=53592 [2018-07-23 13:40:36,050 INFO L87 Difference]: Start difference. First operand 233 states and 233 transitions. Second operand 232 states. [2018-07-23 13:40:37,714 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2018-07-23 13:40:37,714 INFO L93 Difference]: Finished difference Result 236 states and 236 transitions. [2018-07-23 13:40:37,714 INFO L142 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 232 states. [2018-07-23 13:40:37,714 INFO L78 Accepts]: Start accepts. Automaton has 232 states. Word has length 232 [2018-07-23 13:40:37,714 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2018-07-23 13:40:37,715 INFO L225 Difference]: With dead ends: 236 [2018-07-23 13:40:37,715 INFO L226 Difference]: Without dead ends: 234 [2018-07-23 13:40:37,718 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 13:40:37,718 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 234 states. [2018-07-23 13:40:37,720 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 234 to 234. [2018-07-23 13:40:37,720 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 234 states. [2018-07-23 13:40:37,721 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 234 states to 234 states and 234 transitions. [2018-07-23 13:40:37,721 INFO L78 Accepts]: Start accepts. Automaton has 234 states and 234 transitions. Word has length 232 [2018-07-23 13:40:37,721 INFO L84 Accepts]: Finished accepts. word is rejected. [2018-07-23 13:40:37,721 INFO L471 AbstractCegarLoop]: Abstraction has 234 states and 234 transitions. [2018-07-23 13:40:37,721 INFO L472 AbstractCegarLoop]: Interpolant automaton has 232 states. [2018-07-23 13:40:37,721 INFO L276 IsEmpty]: Start isEmpty. Operand 234 states and 234 transitions. [2018-07-23 13:40:37,722 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 234 [2018-07-23 13:40:37,722 INFO L349 BasicCegarLoop]: Found error trace [2018-07-23 13:40:37,722 INFO L357 BasicCegarLoop]: trace histogram [230, 1, 1, 1] [2018-07-23 13:40:37,722 INFO L414 AbstractCegarLoop]: === Iteration 231 === [ULTIMATE.startErr0AssertViolationASSERT]=== [2018-07-23 13:40:37,722 INFO L82 PathProgramCache]: Analyzing trace with hash 1695868385, now seen corresponding path program 230 times [2018-07-23 13:40:37,722 INFO L69 tionRefinementEngine]: Using refinement strategy FixedRefinementStrategy [2018-07-23 13:40:38,100 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-07-23 13:40:39,402 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 13:40:39,402 INFO L309 seRefinementStrategy]: Constructing automaton from 0 perfect and 1 imperfect interpolant sequences. [2018-07-23 13:40:39,402 INFO L324 seRefinementStrategy]: Number of different interpolants: perfect sequences [] imperfect sequences [232] total 232 [2018-07-23 13:40:39,402 INFO L142 lantAutomatonBuilder]: Constructing canonical interpolant automaton, with selfloop in false state [2018-07-23 13:40:39,402 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2018-07-23 13:40:39,403 INFO L185 omatonBuilderFactory]: Interpolants [137895#true, 137898#(<= ULTIMATE.start_main_~i~4 2), 137899#(<= ULTIMATE.start_main_~i~4 4), 137896#false, 137897#(<= ULTIMATE.start_main_~i~4 0), 137902#(<= ULTIMATE.start_main_~i~4 10), 137903#(<= ULTIMATE.start_main_~i~4 12), 137900#(<= ULTIMATE.start_main_~i~4 6), 137901#(<= ULTIMATE.start_main_~i~4 8), 137906#(<= ULTIMATE.start_main_~i~4 18), 137907#(<= ULTIMATE.start_main_~i~4 20), 137904#(<= ULTIMATE.start_main_~i~4 14), 137905#(<= ULTIMATE.start_main_~i~4 16), 137910#(<= ULTIMATE.start_main_~i~4 26), 137911#(<= ULTIMATE.start_main_~i~4 28), 137908#(<= ULTIMATE.start_main_~i~4 22), 137909#(<= ULTIMATE.start_main_~i~4 24), 137914#(<= ULTIMATE.start_main_~i~4 34), 137915#(<= ULTIMATE.start_main_~i~4 36), 137912#(<= ULTIMATE.start_main_~i~4 30), 137913#(<= ULTIMATE.start_main_~i~4 32), 137918#(<= ULTIMATE.start_main_~i~4 42), 137919#(<= ULTIMATE.start_main_~i~4 44), 137916#(<= ULTIMATE.start_main_~i~4 38), 137917#(<= ULTIMATE.start_main_~i~4 40), 137922#(<= ULTIMATE.start_main_~i~4 50), 137923#(<= ULTIMATE.start_main_~i~4 52), 137920#(<= ULTIMATE.start_main_~i~4 46), 137921#(<= ULTIMATE.start_main_~i~4 48), 137926#(<= ULTIMATE.start_main_~i~4 58), 137927#(<= ULTIMATE.start_main_~i~4 60), 137924#(<= ULTIMATE.start_main_~i~4 54), 137925#(<= ULTIMATE.start_main_~i~4 56), 137930#(<= ULTIMATE.start_main_~i~4 66), 137931#(<= ULTIMATE.start_main_~i~4 68), 137928#(<= ULTIMATE.start_main_~i~4 62), 137929#(<= ULTIMATE.start_main_~i~4 64), 137934#(<= ULTIMATE.start_main_~i~4 74), 137935#(<= ULTIMATE.start_main_~i~4 76), 137932#(<= ULTIMATE.start_main_~i~4 70), 137933#(<= ULTIMATE.start_main_~i~4 72), 137938#(<= ULTIMATE.start_main_~i~4 82), 137939#(<= ULTIMATE.start_main_~i~4 84), 137936#(<= ULTIMATE.start_main_~i~4 78), 137937#(<= ULTIMATE.start_main_~i~4 80), 137942#(<= ULTIMATE.start_main_~i~4 90), 137943#(<= ULTIMATE.start_main_~i~4 92), 137940#(<= ULTIMATE.start_main_~i~4 86), 137941#(<= ULTIMATE.start_main_~i~4 88), 137946#(<= ULTIMATE.start_main_~i~4 98), 137947#(<= ULTIMATE.start_main_~i~4 100), 137944#(<= ULTIMATE.start_main_~i~4 94), 137945#(<= ULTIMATE.start_main_~i~4 96), 137950#(<= ULTIMATE.start_main_~i~4 106), 137951#(<= ULTIMATE.start_main_~i~4 108), 137948#(<= ULTIMATE.start_main_~i~4 102), 137949#(<= ULTIMATE.start_main_~i~4 104), 137954#(<= ULTIMATE.start_main_~i~4 114), 137955#(<= ULTIMATE.start_main_~i~4 116), 137952#(<= ULTIMATE.start_main_~i~4 110), 137953#(<= ULTIMATE.start_main_~i~4 112), 137958#(<= ULTIMATE.start_main_~i~4 122), 137959#(<= ULTIMATE.start_main_~i~4 124), 137956#(<= ULTIMATE.start_main_~i~4 118), 137957#(<= ULTIMATE.start_main_~i~4 120), 137962#(<= ULTIMATE.start_main_~i~4 130), 137963#(<= ULTIMATE.start_main_~i~4 132), 137960#(<= ULTIMATE.start_main_~i~4 126), 137961#(<= ULTIMATE.start_main_~i~4 128), 137966#(<= ULTIMATE.start_main_~i~4 138), 137967#(<= ULTIMATE.start_main_~i~4 140), 137964#(<= ULTIMATE.start_main_~i~4 134), 137965#(<= ULTIMATE.start_main_~i~4 136), 137970#(<= ULTIMATE.start_main_~i~4 146), 137971#(<= ULTIMATE.start_main_~i~4 148), 137968#(<= ULTIMATE.start_main_~i~4 142), 137969#(<= ULTIMATE.start_main_~i~4 144), 137974#(<= ULTIMATE.start_main_~i~4 154), 137975#(<= ULTIMATE.start_main_~i~4 156), 137972#(<= ULTIMATE.start_main_~i~4 150), 137973#(<= ULTIMATE.start_main_~i~4 152), 137978#(<= ULTIMATE.start_main_~i~4 162), 137979#(<= ULTIMATE.start_main_~i~4 164), 137976#(<= ULTIMATE.start_main_~i~4 158), 137977#(<= ULTIMATE.start_main_~i~4 160), 137982#(<= ULTIMATE.start_main_~i~4 170), 137983#(<= ULTIMATE.start_main_~i~4 172), 137980#(<= ULTIMATE.start_main_~i~4 166), 137981#(<= ULTIMATE.start_main_~i~4 168), 137986#(<= ULTIMATE.start_main_~i~4 178), 137987#(<= ULTIMATE.start_main_~i~4 180), 137984#(<= ULTIMATE.start_main_~i~4 174), 137985#(<= ULTIMATE.start_main_~i~4 176), 137990#(<= ULTIMATE.start_main_~i~4 186), 137991#(<= ULTIMATE.start_main_~i~4 188), 137988#(<= ULTIMATE.start_main_~i~4 182), 137989#(<= ULTIMATE.start_main_~i~4 184), 137994#(<= ULTIMATE.start_main_~i~4 194), 137995#(<= ULTIMATE.start_main_~i~4 196), 137992#(<= ULTIMATE.start_main_~i~4 190), 137993#(<= ULTIMATE.start_main_~i~4 192), 137998#(<= ULTIMATE.start_main_~i~4 202), 137999#(<= ULTIMATE.start_main_~i~4 204), 137996#(<= ULTIMATE.start_main_~i~4 198), 137997#(<= ULTIMATE.start_main_~i~4 200), 138002#(<= ULTIMATE.start_main_~i~4 210), 138003#(<= ULTIMATE.start_main_~i~4 212), 138000#(<= ULTIMATE.start_main_~i~4 206), 138001#(<= ULTIMATE.start_main_~i~4 208), 138006#(<= ULTIMATE.start_main_~i~4 218), 138007#(<= ULTIMATE.start_main_~i~4 220), 138004#(<= ULTIMATE.start_main_~i~4 214), 138005#(<= ULTIMATE.start_main_~i~4 216), 138010#(<= ULTIMATE.start_main_~i~4 226), 138011#(<= ULTIMATE.start_main_~i~4 228), 138008#(<= ULTIMATE.start_main_~i~4 222), 138009#(<= ULTIMATE.start_main_~i~4 224), 138014#(<= ULTIMATE.start_main_~i~4 234), 138015#(<= ULTIMATE.start_main_~i~4 236), 138012#(<= ULTIMATE.start_main_~i~4 230), 138013#(<= ULTIMATE.start_main_~i~4 232), 138018#(<= ULTIMATE.start_main_~i~4 242), 138019#(<= ULTIMATE.start_main_~i~4 244), 138016#(<= ULTIMATE.start_main_~i~4 238), 138017#(<= ULTIMATE.start_main_~i~4 240), 138022#(<= ULTIMATE.start_main_~i~4 250), 138023#(<= ULTIMATE.start_main_~i~4 252), 138020#(<= ULTIMATE.start_main_~i~4 246), 138021#(<= ULTIMATE.start_main_~i~4 248), 138026#(<= ULTIMATE.start_main_~i~4 258), 138027#(<= ULTIMATE.start_main_~i~4 260), 138024#(<= ULTIMATE.start_main_~i~4 254), 138025#(<= ULTIMATE.start_main_~i~4 256), 138030#(<= ULTIMATE.start_main_~i~4 266), 138031#(<= ULTIMATE.start_main_~i~4 268), 138028#(<= ULTIMATE.start_main_~i~4 262), 138029#(<= ULTIMATE.start_main_~i~4 264), 138034#(<= ULTIMATE.start_main_~i~4 274), 138035#(<= ULTIMATE.start_main_~i~4 276), 138032#(<= ULTIMATE.start_main_~i~4 270), 138033#(<= ULTIMATE.start_main_~i~4 272), 138038#(<= ULTIMATE.start_main_~i~4 282), 138039#(<= ULTIMATE.start_main_~i~4 284), 138036#(<= ULTIMATE.start_main_~i~4 278), 138037#(<= ULTIMATE.start_main_~i~4 280), 138042#(<= ULTIMATE.start_main_~i~4 290), 138043#(<= ULTIMATE.start_main_~i~4 292), 138040#(<= ULTIMATE.start_main_~i~4 286), 138041#(<= ULTIMATE.start_main_~i~4 288), 138046#(<= ULTIMATE.start_main_~i~4 298), 138047#(<= ULTIMATE.start_main_~i~4 300), 138044#(<= ULTIMATE.start_main_~i~4 294), 138045#(<= ULTIMATE.start_main_~i~4 296), 138050#(<= ULTIMATE.start_main_~i~4 306), 138051#(<= ULTIMATE.start_main_~i~4 308), 138048#(<= ULTIMATE.start_main_~i~4 302), 138049#(<= ULTIMATE.start_main_~i~4 304), 138054#(<= ULTIMATE.start_main_~i~4 314), 138055#(<= ULTIMATE.start_main_~i~4 316), 138052#(<= ULTIMATE.start_main_~i~4 310), 138053#(<= ULTIMATE.start_main_~i~4 312), 138058#(<= ULTIMATE.start_main_~i~4 322), 138059#(<= ULTIMATE.start_main_~i~4 324), 138056#(<= ULTIMATE.start_main_~i~4 318), 138057#(<= ULTIMATE.start_main_~i~4 320), 138062#(<= ULTIMATE.start_main_~i~4 330), 138063#(<= ULTIMATE.start_main_~i~4 332), 138060#(<= ULTIMATE.start_main_~i~4 326), 138061#(<= ULTIMATE.start_main_~i~4 328), 138066#(<= ULTIMATE.start_main_~i~4 338), 138067#(<= ULTIMATE.start_main_~i~4 340), 138064#(<= ULTIMATE.start_main_~i~4 334), 138065#(<= ULTIMATE.start_main_~i~4 336), 138070#(<= ULTIMATE.start_main_~i~4 346), 138071#(<= ULTIMATE.start_main_~i~4 348), 138068#(<= ULTIMATE.start_main_~i~4 342), 138069#(<= ULTIMATE.start_main_~i~4 344), 138074#(<= ULTIMATE.start_main_~i~4 354), 138075#(<= ULTIMATE.start_main_~i~4 356), 138072#(<= ULTIMATE.start_main_~i~4 350), 138073#(<= ULTIMATE.start_main_~i~4 352), 138078#(<= ULTIMATE.start_main_~i~4 362), 138079#(<= ULTIMATE.start_main_~i~4 364), 138076#(<= ULTIMATE.start_main_~i~4 358), 138077#(<= ULTIMATE.start_main_~i~4 360), 138082#(<= ULTIMATE.start_main_~i~4 370), 138083#(<= ULTIMATE.start_main_~i~4 372), 138080#(<= ULTIMATE.start_main_~i~4 366), 138081#(<= ULTIMATE.start_main_~i~4 368), 138086#(<= ULTIMATE.start_main_~i~4 378), 138087#(<= ULTIMATE.start_main_~i~4 380), 138084#(<= ULTIMATE.start_main_~i~4 374), 138085#(<= ULTIMATE.start_main_~i~4 376), 138090#(<= ULTIMATE.start_main_~i~4 386), 138091#(<= ULTIMATE.start_main_~i~4 388), 138088#(<= ULTIMATE.start_main_~i~4 382), 138089#(<= ULTIMATE.start_main_~i~4 384), 138094#(<= ULTIMATE.start_main_~i~4 394), 138095#(<= ULTIMATE.start_main_~i~4 396), 138092#(<= ULTIMATE.start_main_~i~4 390), 138093#(<= ULTIMATE.start_main_~i~4 392), 138098#(<= ULTIMATE.start_main_~i~4 402), 138099#(<= ULTIMATE.start_main_~i~4 404), 138096#(<= ULTIMATE.start_main_~i~4 398), 138097#(<= ULTIMATE.start_main_~i~4 400), 138102#(<= ULTIMATE.start_main_~i~4 410), 138103#(<= ULTIMATE.start_main_~i~4 412), 138100#(<= ULTIMATE.start_main_~i~4 406), 138101#(<= ULTIMATE.start_main_~i~4 408), 138106#(<= ULTIMATE.start_main_~i~4 418), 138107#(<= ULTIMATE.start_main_~i~4 420), 138104#(<= ULTIMATE.start_main_~i~4 414), 138105#(<= ULTIMATE.start_main_~i~4 416), 138110#(<= ULTIMATE.start_main_~i~4 426), 138111#(<= ULTIMATE.start_main_~i~4 428), 138108#(<= ULTIMATE.start_main_~i~4 422), 138109#(<= ULTIMATE.start_main_~i~4 424), 138114#(<= ULTIMATE.start_main_~i~4 434), 138115#(<= ULTIMATE.start_main_~i~4 436), 138112#(<= ULTIMATE.start_main_~i~4 430), 138113#(<= ULTIMATE.start_main_~i~4 432), 138118#(<= ULTIMATE.start_main_~i~4 442), 138119#(<= ULTIMATE.start_main_~i~4 444), 138116#(<= ULTIMATE.start_main_~i~4 438), 138117#(<= ULTIMATE.start_main_~i~4 440), 138122#(<= ULTIMATE.start_main_~i~4 450), 138123#(<= ULTIMATE.start_main_~i~4 452), 138120#(<= ULTIMATE.start_main_~i~4 446), 138121#(<= ULTIMATE.start_main_~i~4 448), 138126#(<= ULTIMATE.start_main_~i~4 458), 138127#(<= ULTIMATE.start_main_~i~4 460), 138124#(<= ULTIMATE.start_main_~i~4 454), 138125#(<= ULTIMATE.start_main_~i~4 456)] [2018-07-23 13:40:39,404 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 13:40:39,404 INFO L450 AbstractCegarLoop]: Interpolant automaton has 233 states [2018-07-23 13:40:39,408 INFO L132 InterpolantAutomaton]: Constructing interpolant automaton starting with 233 interpolants. [2018-07-23 13:40:39,411 INFO L133 InterpolantAutomaton]: CoverageRelationStatistics Valid=27028, Invalid=27028, Unknown=0, NotChecked=0, Total=54056 [2018-07-23 13:40:39,411 INFO L87 Difference]: Start difference. First operand 234 states and 234 transitions. Second operand 233 states. [2018-07-23 13:40:40,636 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2018-07-23 13:40:40,636 INFO L93 Difference]: Finished difference Result 237 states and 237 transitions. [2018-07-23 13:40:40,636 INFO L142 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 233 states. [2018-07-23 13:40:40,636 INFO L78 Accepts]: Start accepts. Automaton has 233 states. Word has length 233 [2018-07-23 13:40:40,637 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2018-07-23 13:40:40,637 INFO L225 Difference]: With dead ends: 237 [2018-07-23 13:40:40,637 INFO L226 Difference]: Without dead ends: 235 [2018-07-23 13:40:40,639 INFO L575 BasicCegarLoop]: 0 DeclaredPredicates, 232 GetRequests, 1 SyntacticMatches, 0 SemanticMatches, 231 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 0 ImplicationChecksByTransitivity, 1.2s TimeCoverageRelationStatistics Valid=27028, Invalid=27028, Unknown=0, NotChecked=0, Total=54056 [2018-07-23 13:40:40,640 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 235 states. [2018-07-23 13:40:40,642 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 235 to 235. [2018-07-23 13:40:40,642 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 235 states. [2018-07-23 13:40:40,642 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 235 states to 235 states and 235 transitions. [2018-07-23 13:40:40,642 INFO L78 Accepts]: Start accepts. Automaton has 235 states and 235 transitions. Word has length 233 [2018-07-23 13:40:40,642 INFO L84 Accepts]: Finished accepts. word is rejected. [2018-07-23 13:40:40,642 INFO L471 AbstractCegarLoop]: Abstraction has 235 states and 235 transitions. [2018-07-23 13:40:40,642 INFO L472 AbstractCegarLoop]: Interpolant automaton has 233 states. [2018-07-23 13:40:40,642 INFO L276 IsEmpty]: Start isEmpty. Operand 235 states and 235 transitions. [2018-07-23 13:40:40,643 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 235 [2018-07-23 13:40:40,643 INFO L349 BasicCegarLoop]: Found error trace [2018-07-23 13:40:40,643 INFO L357 BasicCegarLoop]: trace histogram [231, 1, 1, 1] [2018-07-23 13:40:40,643 INFO L414 AbstractCegarLoop]: === Iteration 232 === [ULTIMATE.startErr0AssertViolationASSERT]=== [2018-07-23 13:40:40,643 INFO L82 PathProgramCache]: Analyzing trace with hash 1032310408, now seen corresponding path program 231 times [2018-07-23 13:40:40,643 INFO L69 tionRefinementEngine]: Using refinement strategy FixedRefinementStrategy [2018-07-23 13:40:41,003 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-07-23 13:40:42,296 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 13:40:42,296 INFO L309 seRefinementStrategy]: Constructing automaton from 0 perfect and 1 imperfect interpolant sequences. [2018-07-23 13:40:42,296 INFO L324 seRefinementStrategy]: Number of different interpolants: perfect sequences [] imperfect sequences [233] total 233 [2018-07-23 13:40:42,296 INFO L142 lantAutomatonBuilder]: Constructing canonical interpolant automaton, with selfloop in false state [2018-07-23 13:40:42,296 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 13:40:42,297 INFO L185 omatonBuilderFactory]: Interpolants [139266#(<= ULTIMATE.start_main_~i~4 384), 139267#(<= ULTIMATE.start_main_~i~4 386), 139264#(<= ULTIMATE.start_main_~i~4 380), 139265#(<= ULTIMATE.start_main_~i~4 382), 139270#(<= ULTIMATE.start_main_~i~4 392), 139271#(<= ULTIMATE.start_main_~i~4 394), 139268#(<= ULTIMATE.start_main_~i~4 388), 139269#(<= ULTIMATE.start_main_~i~4 390), 139274#(<= ULTIMATE.start_main_~i~4 400), 139275#(<= ULTIMATE.start_main_~i~4 402), 139272#(<= ULTIMATE.start_main_~i~4 396), 139273#(<= ULTIMATE.start_main_~i~4 398), 139278#(<= ULTIMATE.start_main_~i~4 408), 139279#(<= ULTIMATE.start_main_~i~4 410), 139276#(<= ULTIMATE.start_main_~i~4 404), 139277#(<= ULTIMATE.start_main_~i~4 406), 139282#(<= ULTIMATE.start_main_~i~4 416), 139283#(<= ULTIMATE.start_main_~i~4 418), 139280#(<= ULTIMATE.start_main_~i~4 412), 139281#(<= ULTIMATE.start_main_~i~4 414), 139286#(<= ULTIMATE.start_main_~i~4 424), 139287#(<= ULTIMATE.start_main_~i~4 426), 139284#(<= ULTIMATE.start_main_~i~4 420), 139285#(<= ULTIMATE.start_main_~i~4 422), 139290#(<= ULTIMATE.start_main_~i~4 432), 139291#(<= ULTIMATE.start_main_~i~4 434), 139288#(<= ULTIMATE.start_main_~i~4 428), 139289#(<= ULTIMATE.start_main_~i~4 430), 139294#(<= ULTIMATE.start_main_~i~4 440), 139295#(<= ULTIMATE.start_main_~i~4 442), 139292#(<= ULTIMATE.start_main_~i~4 436), 139293#(<= ULTIMATE.start_main_~i~4 438), 139298#(<= ULTIMATE.start_main_~i~4 448), 139299#(<= ULTIMATE.start_main_~i~4 450), 139296#(<= ULTIMATE.start_main_~i~4 444), 139297#(<= ULTIMATE.start_main_~i~4 446), 139302#(<= ULTIMATE.start_main_~i~4 456), 139303#(<= ULTIMATE.start_main_~i~4 458), 139300#(<= ULTIMATE.start_main_~i~4 452), 139301#(<= ULTIMATE.start_main_~i~4 454), 139304#(<= ULTIMATE.start_main_~i~4 460), 139305#(<= ULTIMATE.start_main_~i~4 462), 139074#(<= ULTIMATE.start_main_~i~4 0), 139075#(<= ULTIMATE.start_main_~i~4 2), 139072#true, 139073#false, 139078#(<= ULTIMATE.start_main_~i~4 8), 139079#(<= ULTIMATE.start_main_~i~4 10), 139076#(<= ULTIMATE.start_main_~i~4 4), 139077#(<= ULTIMATE.start_main_~i~4 6), 139082#(<= ULTIMATE.start_main_~i~4 16), 139083#(<= ULTIMATE.start_main_~i~4 18), 139080#(<= ULTIMATE.start_main_~i~4 12), 139081#(<= ULTIMATE.start_main_~i~4 14), 139086#(<= ULTIMATE.start_main_~i~4 24), 139087#(<= ULTIMATE.start_main_~i~4 26), 139084#(<= ULTIMATE.start_main_~i~4 20), 139085#(<= ULTIMATE.start_main_~i~4 22), 139090#(<= ULTIMATE.start_main_~i~4 32), 139091#(<= ULTIMATE.start_main_~i~4 34), 139088#(<= ULTIMATE.start_main_~i~4 28), 139089#(<= ULTIMATE.start_main_~i~4 30), 139094#(<= ULTIMATE.start_main_~i~4 40), 139095#(<= ULTIMATE.start_main_~i~4 42), 139092#(<= ULTIMATE.start_main_~i~4 36), 139093#(<= ULTIMATE.start_main_~i~4 38), 139098#(<= ULTIMATE.start_main_~i~4 48), 139099#(<= ULTIMATE.start_main_~i~4 50), 139096#(<= ULTIMATE.start_main_~i~4 44), 139097#(<= ULTIMATE.start_main_~i~4 46), 139102#(<= ULTIMATE.start_main_~i~4 56), 139103#(<= ULTIMATE.start_main_~i~4 58), 139100#(<= ULTIMATE.start_main_~i~4 52), 139101#(<= ULTIMATE.start_main_~i~4 54), 139106#(<= ULTIMATE.start_main_~i~4 64), 139107#(<= ULTIMATE.start_main_~i~4 66), 139104#(<= ULTIMATE.start_main_~i~4 60), 139105#(<= ULTIMATE.start_main_~i~4 62), 139110#(<= ULTIMATE.start_main_~i~4 72), 139111#(<= ULTIMATE.start_main_~i~4 74), 139108#(<= ULTIMATE.start_main_~i~4 68), 139109#(<= ULTIMATE.start_main_~i~4 70), 139114#(<= ULTIMATE.start_main_~i~4 80), 139115#(<= ULTIMATE.start_main_~i~4 82), 139112#(<= ULTIMATE.start_main_~i~4 76), 139113#(<= ULTIMATE.start_main_~i~4 78), 139118#(<= ULTIMATE.start_main_~i~4 88), 139119#(<= ULTIMATE.start_main_~i~4 90), 139116#(<= ULTIMATE.start_main_~i~4 84), 139117#(<= ULTIMATE.start_main_~i~4 86), 139122#(<= ULTIMATE.start_main_~i~4 96), 139123#(<= ULTIMATE.start_main_~i~4 98), 139120#(<= ULTIMATE.start_main_~i~4 92), 139121#(<= ULTIMATE.start_main_~i~4 94), 139126#(<= ULTIMATE.start_main_~i~4 104), 139127#(<= ULTIMATE.start_main_~i~4 106), 139124#(<= ULTIMATE.start_main_~i~4 100), 139125#(<= ULTIMATE.start_main_~i~4 102), 139130#(<= ULTIMATE.start_main_~i~4 112), 139131#(<= ULTIMATE.start_main_~i~4 114), 139128#(<= ULTIMATE.start_main_~i~4 108), 139129#(<= ULTIMATE.start_main_~i~4 110), 139134#(<= ULTIMATE.start_main_~i~4 120), 139135#(<= ULTIMATE.start_main_~i~4 122), 139132#(<= ULTIMATE.start_main_~i~4 116), 139133#(<= ULTIMATE.start_main_~i~4 118), 139138#(<= ULTIMATE.start_main_~i~4 128), 139139#(<= ULTIMATE.start_main_~i~4 130), 139136#(<= ULTIMATE.start_main_~i~4 124), 139137#(<= ULTIMATE.start_main_~i~4 126), 139142#(<= ULTIMATE.start_main_~i~4 136), 139143#(<= ULTIMATE.start_main_~i~4 138), 139140#(<= ULTIMATE.start_main_~i~4 132), 139141#(<= ULTIMATE.start_main_~i~4 134), 139146#(<= ULTIMATE.start_main_~i~4 144), 139147#(<= ULTIMATE.start_main_~i~4 146), 139144#(<= ULTIMATE.start_main_~i~4 140), 139145#(<= ULTIMATE.start_main_~i~4 142), 139150#(<= ULTIMATE.start_main_~i~4 152), 139151#(<= ULTIMATE.start_main_~i~4 154), 139148#(<= ULTIMATE.start_main_~i~4 148), 139149#(<= ULTIMATE.start_main_~i~4 150), 139154#(<= ULTIMATE.start_main_~i~4 160), 139155#(<= ULTIMATE.start_main_~i~4 162), 139152#(<= ULTIMATE.start_main_~i~4 156), 139153#(<= ULTIMATE.start_main_~i~4 158), 139158#(<= ULTIMATE.start_main_~i~4 168), 139159#(<= ULTIMATE.start_main_~i~4 170), 139156#(<= ULTIMATE.start_main_~i~4 164), 139157#(<= ULTIMATE.start_main_~i~4 166), 139162#(<= ULTIMATE.start_main_~i~4 176), 139163#(<= ULTIMATE.start_main_~i~4 178), 139160#(<= ULTIMATE.start_main_~i~4 172), 139161#(<= ULTIMATE.start_main_~i~4 174), 139166#(<= ULTIMATE.start_main_~i~4 184), 139167#(<= ULTIMATE.start_main_~i~4 186), 139164#(<= ULTIMATE.start_main_~i~4 180), 139165#(<= ULTIMATE.start_main_~i~4 182), 139170#(<= ULTIMATE.start_main_~i~4 192), 139171#(<= ULTIMATE.start_main_~i~4 194), 139168#(<= ULTIMATE.start_main_~i~4 188), 139169#(<= ULTIMATE.start_main_~i~4 190), 139174#(<= ULTIMATE.start_main_~i~4 200), 139175#(<= ULTIMATE.start_main_~i~4 202), 139172#(<= ULTIMATE.start_main_~i~4 196), 139173#(<= ULTIMATE.start_main_~i~4 198), 139178#(<= ULTIMATE.start_main_~i~4 208), 139179#(<= ULTIMATE.start_main_~i~4 210), 139176#(<= ULTIMATE.start_main_~i~4 204), 139177#(<= ULTIMATE.start_main_~i~4 206), 139182#(<= ULTIMATE.start_main_~i~4 216), 139183#(<= ULTIMATE.start_main_~i~4 218), 139180#(<= ULTIMATE.start_main_~i~4 212), 139181#(<= ULTIMATE.start_main_~i~4 214), 139186#(<= ULTIMATE.start_main_~i~4 224), 139187#(<= ULTIMATE.start_main_~i~4 226), 139184#(<= ULTIMATE.start_main_~i~4 220), 139185#(<= ULTIMATE.start_main_~i~4 222), 139190#(<= ULTIMATE.start_main_~i~4 232), 139191#(<= ULTIMATE.start_main_~i~4 234), 139188#(<= ULTIMATE.start_main_~i~4 228), 139189#(<= ULTIMATE.start_main_~i~4 230), 139194#(<= ULTIMATE.start_main_~i~4 240), 139195#(<= ULTIMATE.start_main_~i~4 242), 139192#(<= ULTIMATE.start_main_~i~4 236), 139193#(<= ULTIMATE.start_main_~i~4 238), 139198#(<= ULTIMATE.start_main_~i~4 248), 139199#(<= ULTIMATE.start_main_~i~4 250), 139196#(<= ULTIMATE.start_main_~i~4 244), 139197#(<= ULTIMATE.start_main_~i~4 246), 139202#(<= ULTIMATE.start_main_~i~4 256), 139203#(<= ULTIMATE.start_main_~i~4 258), 139200#(<= ULTIMATE.start_main_~i~4 252), 139201#(<= ULTIMATE.start_main_~i~4 254), 139206#(<= ULTIMATE.start_main_~i~4 264), 139207#(<= ULTIMATE.start_main_~i~4 266), 139204#(<= ULTIMATE.start_main_~i~4 260), 139205#(<= ULTIMATE.start_main_~i~4 262), 139210#(<= ULTIMATE.start_main_~i~4 272), 139211#(<= ULTIMATE.start_main_~i~4 274), 139208#(<= ULTIMATE.start_main_~i~4 268), 139209#(<= ULTIMATE.start_main_~i~4 270), 139214#(<= ULTIMATE.start_main_~i~4 280), 139215#(<= ULTIMATE.start_main_~i~4 282), 139212#(<= ULTIMATE.start_main_~i~4 276), 139213#(<= ULTIMATE.start_main_~i~4 278), 139218#(<= ULTIMATE.start_main_~i~4 288), 139219#(<= ULTIMATE.start_main_~i~4 290), 139216#(<= ULTIMATE.start_main_~i~4 284), 139217#(<= ULTIMATE.start_main_~i~4 286), 139222#(<= ULTIMATE.start_main_~i~4 296), 139223#(<= ULTIMATE.start_main_~i~4 298), 139220#(<= ULTIMATE.start_main_~i~4 292), 139221#(<= ULTIMATE.start_main_~i~4 294), 139226#(<= ULTIMATE.start_main_~i~4 304), 139227#(<= ULTIMATE.start_main_~i~4 306), 139224#(<= ULTIMATE.start_main_~i~4 300), 139225#(<= ULTIMATE.start_main_~i~4 302), 139230#(<= ULTIMATE.start_main_~i~4 312), 139231#(<= ULTIMATE.start_main_~i~4 314), 139228#(<= ULTIMATE.start_main_~i~4 308), 139229#(<= ULTIMATE.start_main_~i~4 310), 139234#(<= ULTIMATE.start_main_~i~4 320), 139235#(<= ULTIMATE.start_main_~i~4 322), 139232#(<= ULTIMATE.start_main_~i~4 316), 139233#(<= ULTIMATE.start_main_~i~4 318), 139238#(<= ULTIMATE.start_main_~i~4 328), 139239#(<= ULTIMATE.start_main_~i~4 330), 139236#(<= ULTIMATE.start_main_~i~4 324), 139237#(<= ULTIMATE.start_main_~i~4 326), 139242#(<= ULTIMATE.start_main_~i~4 336), 139243#(<= ULTIMATE.start_main_~i~4 338), 139240#(<= ULTIMATE.start_main_~i~4 332), 139241#(<= ULTIMATE.start_main_~i~4 334), 139246#(<= ULTIMATE.start_main_~i~4 344), 139247#(<= ULTIMATE.start_main_~i~4 346), 139244#(<= ULTIMATE.start_main_~i~4 340), 139245#(<= ULTIMATE.start_main_~i~4 342), 139250#(<= ULTIMATE.start_main_~i~4 352), 139251#(<= ULTIMATE.start_main_~i~4 354), 139248#(<= ULTIMATE.start_main_~i~4 348), 139249#(<= ULTIMATE.start_main_~i~4 350), 139254#(<= ULTIMATE.start_main_~i~4 360), 139255#(<= ULTIMATE.start_main_~i~4 362), 139252#(<= ULTIMATE.start_main_~i~4 356), 139253#(<= ULTIMATE.start_main_~i~4 358), 139258#(<= ULTIMATE.start_main_~i~4 368), 139259#(<= ULTIMATE.start_main_~i~4 370), 139256#(<= ULTIMATE.start_main_~i~4 364), 139257#(<= ULTIMATE.start_main_~i~4 366), 139262#(<= ULTIMATE.start_main_~i~4 376), 139263#(<= ULTIMATE.start_main_~i~4 378), 139260#(<= ULTIMATE.start_main_~i~4 372), 139261#(<= ULTIMATE.start_main_~i~4 374)] [2018-07-23 13:40:42,298 INFO L134 CoverageAnalysis]: Checked inductivity of 26796 backedges. 0 proven. 26796 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2018-07-23 13:40:42,298 INFO L450 AbstractCegarLoop]: Interpolant automaton has 234 states [2018-07-23 13:40:42,302 INFO L132 InterpolantAutomaton]: Constructing interpolant automaton starting with 234 interpolants. [2018-07-23 13:40:42,305 INFO L133 InterpolantAutomaton]: CoverageRelationStatistics Valid=27261, Invalid=27261, Unknown=0, NotChecked=0, Total=54522 [2018-07-23 13:40:42,305 INFO L87 Difference]: Start difference. First operand 235 states and 235 transitions. Second operand 234 states. [2018-07-23 13:40:43,166 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2018-07-23 13:40:43,167 INFO L93 Difference]: Finished difference Result 238 states and 238 transitions. [2018-07-23 13:40:43,167 INFO L142 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 234 states. [2018-07-23 13:40:43,167 INFO L78 Accepts]: Start accepts. Automaton has 234 states. Word has length 234 [2018-07-23 13:40:43,167 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2018-07-23 13:40:43,167 INFO L225 Difference]: With dead ends: 238 [2018-07-23 13:40:43,167 INFO L226 Difference]: Without dead ends: 236 [2018-07-23 13:40:43,168 INFO L575 BasicCegarLoop]: 0 DeclaredPredicates, 233 GetRequests, 1 SyntacticMatches, 0 SemanticMatches, 232 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 0 ImplicationChecksByTransitivity, 1.1s TimeCoverageRelationStatistics Valid=27261, Invalid=27261, Unknown=0, NotChecked=0, Total=54522 [2018-07-23 13:40:43,169 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 236 states. [2018-07-23 13:40:43,170 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 236 to 236. [2018-07-23 13:40:43,171 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 236 states. [2018-07-23 13:40:43,171 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 236 states to 236 states and 236 transitions. [2018-07-23 13:40:43,171 INFO L78 Accepts]: Start accepts. Automaton has 236 states and 236 transitions. Word has length 234 [2018-07-23 13:40:43,171 INFO L84 Accepts]: Finished accepts. word is rejected. [2018-07-23 13:40:43,171 INFO L471 AbstractCegarLoop]: Abstraction has 236 states and 236 transitions. [2018-07-23 13:40:43,171 INFO L472 AbstractCegarLoop]: Interpolant automaton has 234 states. [2018-07-23 13:40:43,171 INFO L276 IsEmpty]: Start isEmpty. Operand 236 states and 236 transitions. [2018-07-23 13:40:43,172 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 236 [2018-07-23 13:40:43,172 INFO L349 BasicCegarLoop]: Found error trace [2018-07-23 13:40:43,172 INFO L357 BasicCegarLoop]: trace histogram [232, 1, 1, 1] [2018-07-23 13:40:43,172 INFO L414 AbstractCegarLoop]: === Iteration 233 === [ULTIMATE.startErr0AssertViolationASSERT]=== [2018-07-23 13:40:43,172 INFO L82 PathProgramCache]: Analyzing trace with hash 1936849601, now seen corresponding path program 232 times [2018-07-23 13:40:43,172 INFO L69 tionRefinementEngine]: Using refinement strategy FixedRefinementStrategy [2018-07-23 13:40:43,519 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-07-23 13:40:44,836 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 13:40:44,836 INFO L309 seRefinementStrategy]: Constructing automaton from 0 perfect and 1 imperfect interpolant sequences. [2018-07-23 13:40:44,836 INFO L324 seRefinementStrategy]: Number of different interpolants: perfect sequences [] imperfect sequences [234] total 234 [2018-07-23 13:40:44,837 INFO L142 lantAutomatonBuilder]: Constructing canonical interpolant automaton, with selfloop in false state [2018-07-23 13:40:44,837 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 13:40:44,837 INFO L185 omatonBuilderFactory]: Interpolants [140290#(<= ULTIMATE.start_main_~i~4 68), 140291#(<= ULTIMATE.start_main_~i~4 70), 140288#(<= ULTIMATE.start_main_~i~4 64), 140289#(<= ULTIMATE.start_main_~i~4 66), 140294#(<= ULTIMATE.start_main_~i~4 76), 140295#(<= ULTIMATE.start_main_~i~4 78), 140292#(<= ULTIMATE.start_main_~i~4 72), 140293#(<= ULTIMATE.start_main_~i~4 74), 140298#(<= ULTIMATE.start_main_~i~4 84), 140299#(<= ULTIMATE.start_main_~i~4 86), 140296#(<= ULTIMATE.start_main_~i~4 80), 140297#(<= ULTIMATE.start_main_~i~4 82), 140302#(<= ULTIMATE.start_main_~i~4 92), 140303#(<= ULTIMATE.start_main_~i~4 94), 140300#(<= ULTIMATE.start_main_~i~4 88), 140301#(<= ULTIMATE.start_main_~i~4 90), 140306#(<= ULTIMATE.start_main_~i~4 100), 140307#(<= ULTIMATE.start_main_~i~4 102), 140304#(<= ULTIMATE.start_main_~i~4 96), 140305#(<= ULTIMATE.start_main_~i~4 98), 140310#(<= ULTIMATE.start_main_~i~4 108), 140311#(<= ULTIMATE.start_main_~i~4 110), 140308#(<= ULTIMATE.start_main_~i~4 104), 140309#(<= ULTIMATE.start_main_~i~4 106), 140314#(<= ULTIMATE.start_main_~i~4 116), 140315#(<= ULTIMATE.start_main_~i~4 118), 140312#(<= ULTIMATE.start_main_~i~4 112), 140313#(<= ULTIMATE.start_main_~i~4 114), 140318#(<= ULTIMATE.start_main_~i~4 124), 140319#(<= ULTIMATE.start_main_~i~4 126), 140316#(<= ULTIMATE.start_main_~i~4 120), 140317#(<= ULTIMATE.start_main_~i~4 122), 140322#(<= ULTIMATE.start_main_~i~4 132), 140323#(<= ULTIMATE.start_main_~i~4 134), 140320#(<= ULTIMATE.start_main_~i~4 128), 140321#(<= ULTIMATE.start_main_~i~4 130), 140326#(<= ULTIMATE.start_main_~i~4 140), 140327#(<= ULTIMATE.start_main_~i~4 142), 140324#(<= ULTIMATE.start_main_~i~4 136), 140325#(<= ULTIMATE.start_main_~i~4 138), 140330#(<= ULTIMATE.start_main_~i~4 148), 140331#(<= ULTIMATE.start_main_~i~4 150), 140328#(<= ULTIMATE.start_main_~i~4 144), 140329#(<= ULTIMATE.start_main_~i~4 146), 140334#(<= ULTIMATE.start_main_~i~4 156), 140335#(<= ULTIMATE.start_main_~i~4 158), 140332#(<= ULTIMATE.start_main_~i~4 152), 140333#(<= ULTIMATE.start_main_~i~4 154), 140338#(<= ULTIMATE.start_main_~i~4 164), 140339#(<= ULTIMATE.start_main_~i~4 166), 140336#(<= ULTIMATE.start_main_~i~4 160), 140337#(<= ULTIMATE.start_main_~i~4 162), 140342#(<= ULTIMATE.start_main_~i~4 172), 140343#(<= ULTIMATE.start_main_~i~4 174), 140340#(<= ULTIMATE.start_main_~i~4 168), 140341#(<= ULTIMATE.start_main_~i~4 170), 140346#(<= ULTIMATE.start_main_~i~4 180), 140347#(<= ULTIMATE.start_main_~i~4 182), 140344#(<= ULTIMATE.start_main_~i~4 176), 140345#(<= ULTIMATE.start_main_~i~4 178), 140350#(<= ULTIMATE.start_main_~i~4 188), 140351#(<= ULTIMATE.start_main_~i~4 190), 140348#(<= ULTIMATE.start_main_~i~4 184), 140349#(<= ULTIMATE.start_main_~i~4 186), 140354#(<= ULTIMATE.start_main_~i~4 196), 140355#(<= ULTIMATE.start_main_~i~4 198), 140352#(<= ULTIMATE.start_main_~i~4 192), 140353#(<= ULTIMATE.start_main_~i~4 194), 140358#(<= ULTIMATE.start_main_~i~4 204), 140359#(<= ULTIMATE.start_main_~i~4 206), 140356#(<= ULTIMATE.start_main_~i~4 200), 140357#(<= ULTIMATE.start_main_~i~4 202), 140362#(<= ULTIMATE.start_main_~i~4 212), 140363#(<= ULTIMATE.start_main_~i~4 214), 140360#(<= ULTIMATE.start_main_~i~4 208), 140361#(<= ULTIMATE.start_main_~i~4 210), 140366#(<= ULTIMATE.start_main_~i~4 220), 140367#(<= ULTIMATE.start_main_~i~4 222), 140364#(<= ULTIMATE.start_main_~i~4 216), 140365#(<= ULTIMATE.start_main_~i~4 218), 140370#(<= ULTIMATE.start_main_~i~4 228), 140371#(<= ULTIMATE.start_main_~i~4 230), 140368#(<= ULTIMATE.start_main_~i~4 224), 140369#(<= ULTIMATE.start_main_~i~4 226), 140374#(<= ULTIMATE.start_main_~i~4 236), 140375#(<= ULTIMATE.start_main_~i~4 238), 140372#(<= ULTIMATE.start_main_~i~4 232), 140373#(<= ULTIMATE.start_main_~i~4 234), 140378#(<= ULTIMATE.start_main_~i~4 244), 140379#(<= ULTIMATE.start_main_~i~4 246), 140376#(<= ULTIMATE.start_main_~i~4 240), 140377#(<= ULTIMATE.start_main_~i~4 242), 140382#(<= ULTIMATE.start_main_~i~4 252), 140383#(<= ULTIMATE.start_main_~i~4 254), 140380#(<= ULTIMATE.start_main_~i~4 248), 140381#(<= ULTIMATE.start_main_~i~4 250), 140386#(<= ULTIMATE.start_main_~i~4 260), 140387#(<= ULTIMATE.start_main_~i~4 262), 140384#(<= ULTIMATE.start_main_~i~4 256), 140385#(<= ULTIMATE.start_main_~i~4 258), 140390#(<= ULTIMATE.start_main_~i~4 268), 140391#(<= ULTIMATE.start_main_~i~4 270), 140388#(<= ULTIMATE.start_main_~i~4 264), 140389#(<= ULTIMATE.start_main_~i~4 266), 140394#(<= ULTIMATE.start_main_~i~4 276), 140395#(<= ULTIMATE.start_main_~i~4 278), 140392#(<= ULTIMATE.start_main_~i~4 272), 140393#(<= ULTIMATE.start_main_~i~4 274), 140398#(<= ULTIMATE.start_main_~i~4 284), 140399#(<= ULTIMATE.start_main_~i~4 286), 140396#(<= ULTIMATE.start_main_~i~4 280), 140397#(<= ULTIMATE.start_main_~i~4 282), 140402#(<= ULTIMATE.start_main_~i~4 292), 140403#(<= ULTIMATE.start_main_~i~4 294), 140400#(<= ULTIMATE.start_main_~i~4 288), 140401#(<= ULTIMATE.start_main_~i~4 290), 140406#(<= ULTIMATE.start_main_~i~4 300), 140407#(<= ULTIMATE.start_main_~i~4 302), 140404#(<= ULTIMATE.start_main_~i~4 296), 140405#(<= ULTIMATE.start_main_~i~4 298), 140410#(<= ULTIMATE.start_main_~i~4 308), 140411#(<= ULTIMATE.start_main_~i~4 310), 140408#(<= ULTIMATE.start_main_~i~4 304), 140409#(<= ULTIMATE.start_main_~i~4 306), 140414#(<= ULTIMATE.start_main_~i~4 316), 140415#(<= ULTIMATE.start_main_~i~4 318), 140412#(<= ULTIMATE.start_main_~i~4 312), 140413#(<= ULTIMATE.start_main_~i~4 314), 140418#(<= ULTIMATE.start_main_~i~4 324), 140419#(<= ULTIMATE.start_main_~i~4 326), 140416#(<= ULTIMATE.start_main_~i~4 320), 140417#(<= ULTIMATE.start_main_~i~4 322), 140422#(<= ULTIMATE.start_main_~i~4 332), 140423#(<= ULTIMATE.start_main_~i~4 334), 140420#(<= ULTIMATE.start_main_~i~4 328), 140421#(<= ULTIMATE.start_main_~i~4 330), 140426#(<= ULTIMATE.start_main_~i~4 340), 140427#(<= ULTIMATE.start_main_~i~4 342), 140424#(<= ULTIMATE.start_main_~i~4 336), 140425#(<= ULTIMATE.start_main_~i~4 338), 140430#(<= ULTIMATE.start_main_~i~4 348), 140431#(<= ULTIMATE.start_main_~i~4 350), 140428#(<= ULTIMATE.start_main_~i~4 344), 140429#(<= ULTIMATE.start_main_~i~4 346), 140434#(<= ULTIMATE.start_main_~i~4 356), 140435#(<= ULTIMATE.start_main_~i~4 358), 140432#(<= ULTIMATE.start_main_~i~4 352), 140433#(<= ULTIMATE.start_main_~i~4 354), 140438#(<= ULTIMATE.start_main_~i~4 364), 140439#(<= ULTIMATE.start_main_~i~4 366), 140436#(<= ULTIMATE.start_main_~i~4 360), 140437#(<= ULTIMATE.start_main_~i~4 362), 140442#(<= ULTIMATE.start_main_~i~4 372), 140443#(<= ULTIMATE.start_main_~i~4 374), 140440#(<= ULTIMATE.start_main_~i~4 368), 140441#(<= ULTIMATE.start_main_~i~4 370), 140446#(<= ULTIMATE.start_main_~i~4 380), 140447#(<= ULTIMATE.start_main_~i~4 382), 140444#(<= ULTIMATE.start_main_~i~4 376), 140445#(<= ULTIMATE.start_main_~i~4 378), 140450#(<= ULTIMATE.start_main_~i~4 388), 140451#(<= ULTIMATE.start_main_~i~4 390), 140448#(<= ULTIMATE.start_main_~i~4 384), 140449#(<= ULTIMATE.start_main_~i~4 386), 140454#(<= ULTIMATE.start_main_~i~4 396), 140455#(<= ULTIMATE.start_main_~i~4 398), 140452#(<= ULTIMATE.start_main_~i~4 392), 140453#(<= ULTIMATE.start_main_~i~4 394), 140458#(<= ULTIMATE.start_main_~i~4 404), 140459#(<= ULTIMATE.start_main_~i~4 406), 140456#(<= ULTIMATE.start_main_~i~4 400), 140457#(<= ULTIMATE.start_main_~i~4 402), 140462#(<= ULTIMATE.start_main_~i~4 412), 140463#(<= ULTIMATE.start_main_~i~4 414), 140460#(<= ULTIMATE.start_main_~i~4 408), 140461#(<= ULTIMATE.start_main_~i~4 410), 140466#(<= ULTIMATE.start_main_~i~4 420), 140467#(<= ULTIMATE.start_main_~i~4 422), 140464#(<= ULTIMATE.start_main_~i~4 416), 140465#(<= ULTIMATE.start_main_~i~4 418), 140470#(<= ULTIMATE.start_main_~i~4 428), 140471#(<= ULTIMATE.start_main_~i~4 430), 140468#(<= ULTIMATE.start_main_~i~4 424), 140469#(<= ULTIMATE.start_main_~i~4 426), 140474#(<= ULTIMATE.start_main_~i~4 436), 140475#(<= ULTIMATE.start_main_~i~4 438), 140472#(<= ULTIMATE.start_main_~i~4 432), 140473#(<= ULTIMATE.start_main_~i~4 434), 140478#(<= ULTIMATE.start_main_~i~4 444), 140479#(<= ULTIMATE.start_main_~i~4 446), 140476#(<= ULTIMATE.start_main_~i~4 440), 140477#(<= ULTIMATE.start_main_~i~4 442), 140482#(<= ULTIMATE.start_main_~i~4 452), 140483#(<= ULTIMATE.start_main_~i~4 454), 140480#(<= ULTIMATE.start_main_~i~4 448), 140481#(<= ULTIMATE.start_main_~i~4 450), 140486#(<= ULTIMATE.start_main_~i~4 460), 140487#(<= ULTIMATE.start_main_~i~4 462), 140484#(<= ULTIMATE.start_main_~i~4 456), 140485#(<= ULTIMATE.start_main_~i~4 458), 140488#(<= ULTIMATE.start_main_~i~4 464), 140254#true, 140255#false, 140258#(<= ULTIMATE.start_main_~i~4 4), 140259#(<= ULTIMATE.start_main_~i~4 6), 140256#(<= ULTIMATE.start_main_~i~4 0), 140257#(<= ULTIMATE.start_main_~i~4 2), 140262#(<= ULTIMATE.start_main_~i~4 12), 140263#(<= ULTIMATE.start_main_~i~4 14), 140260#(<= ULTIMATE.start_main_~i~4 8), 140261#(<= ULTIMATE.start_main_~i~4 10), 140266#(<= ULTIMATE.start_main_~i~4 20), 140267#(<= ULTIMATE.start_main_~i~4 22), 140264#(<= ULTIMATE.start_main_~i~4 16), 140265#(<= ULTIMATE.start_main_~i~4 18), 140270#(<= ULTIMATE.start_main_~i~4 28), 140271#(<= ULTIMATE.start_main_~i~4 30), 140268#(<= ULTIMATE.start_main_~i~4 24), 140269#(<= ULTIMATE.start_main_~i~4 26), 140274#(<= ULTIMATE.start_main_~i~4 36), 140275#(<= ULTIMATE.start_main_~i~4 38), 140272#(<= ULTIMATE.start_main_~i~4 32), 140273#(<= ULTIMATE.start_main_~i~4 34), 140278#(<= ULTIMATE.start_main_~i~4 44), 140279#(<= ULTIMATE.start_main_~i~4 46), 140276#(<= ULTIMATE.start_main_~i~4 40), 140277#(<= ULTIMATE.start_main_~i~4 42), 140282#(<= ULTIMATE.start_main_~i~4 52), 140283#(<= ULTIMATE.start_main_~i~4 54), 140280#(<= ULTIMATE.start_main_~i~4 48), 140281#(<= ULTIMATE.start_main_~i~4 50), 140286#(<= ULTIMATE.start_main_~i~4 60), 140287#(<= ULTIMATE.start_main_~i~4 62), 140284#(<= ULTIMATE.start_main_~i~4 56), 140285#(<= ULTIMATE.start_main_~i~4 58)] [2018-07-23 13:40:44,839 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 13:40:44,839 INFO L450 AbstractCegarLoop]: Interpolant automaton has 235 states [2018-07-23 13:40:44,843 INFO L132 InterpolantAutomaton]: Constructing interpolant automaton starting with 235 interpolants. [2018-07-23 13:40:44,845 INFO L133 InterpolantAutomaton]: CoverageRelationStatistics Valid=27495, Invalid=27495, Unknown=0, NotChecked=0, Total=54990 [2018-07-23 13:40:44,845 INFO L87 Difference]: Start difference. First operand 236 states and 236 transitions. Second operand 235 states. [2018-07-23 13:40:46,410 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2018-07-23 13:40:46,410 INFO L93 Difference]: Finished difference Result 239 states and 239 transitions. [2018-07-23 13:40:46,410 INFO L142 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 235 states. [2018-07-23 13:40:46,410 INFO L78 Accepts]: Start accepts. Automaton has 235 states. Word has length 235 [2018-07-23 13:40:46,410 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2018-07-23 13:40:46,411 INFO L225 Difference]: With dead ends: 239 [2018-07-23 13:40:46,411 INFO L226 Difference]: Without dead ends: 237 [2018-07-23 13:40:46,413 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 13:40:46,414 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 237 states. [2018-07-23 13:40:46,415 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 237 to 237. [2018-07-23 13:40:46,416 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 237 states. [2018-07-23 13:40:46,416 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 237 states to 237 states and 237 transitions. [2018-07-23 13:40:46,416 INFO L78 Accepts]: Start accepts. Automaton has 237 states and 237 transitions. Word has length 235 [2018-07-23 13:40:46,416 INFO L84 Accepts]: Finished accepts. word is rejected. [2018-07-23 13:40:46,416 INFO L471 AbstractCegarLoop]: Abstraction has 237 states and 237 transitions. [2018-07-23 13:40:46,416 INFO L472 AbstractCegarLoop]: Interpolant automaton has 235 states. [2018-07-23 13:40:46,416 INFO L276 IsEmpty]: Start isEmpty. Operand 237 states and 237 transitions. [2018-07-23 13:40:46,417 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 237 [2018-07-23 13:40:46,417 INFO L349 BasicCegarLoop]: Found error trace [2018-07-23 13:40:46,417 INFO L357 BasicCegarLoop]: trace histogram [233, 1, 1, 1] [2018-07-23 13:40:46,417 INFO L414 AbstractCegarLoop]: === Iteration 234 === [ULTIMATE.startErr0AssertViolationASSERT]=== [2018-07-23 13:40:46,417 INFO L82 PathProgramCache]: Analyzing trace with hash -87206488, now seen corresponding path program 233 times [2018-07-23 13:40:46,417 INFO L69 tionRefinementEngine]: Using refinement strategy FixedRefinementStrategy [2018-07-23 13:40:46,794 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-07-23 13:40:48,188 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 13:40:48,188 INFO L309 seRefinementStrategy]: Constructing automaton from 0 perfect and 1 imperfect interpolant sequences. [2018-07-23 13:40:48,188 INFO L324 seRefinementStrategy]: Number of different interpolants: perfect sequences [] imperfect sequences [235] total 235 [2018-07-23 13:40:48,188 INFO L142 lantAutomatonBuilder]: Constructing canonical interpolant automaton, with selfloop in false state [2018-07-23 13:40:48,189 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 13:40:48,189 INFO L185 omatonBuilderFactory]: Interpolants [141442#false, 141443#(<= ULTIMATE.start_main_~i~4 0), 141441#true, 141446#(<= ULTIMATE.start_main_~i~4 6), 141447#(<= ULTIMATE.start_main_~i~4 8), 141444#(<= ULTIMATE.start_main_~i~4 2), 141445#(<= ULTIMATE.start_main_~i~4 4), 141450#(<= ULTIMATE.start_main_~i~4 14), 141451#(<= ULTIMATE.start_main_~i~4 16), 141448#(<= ULTIMATE.start_main_~i~4 10), 141449#(<= ULTIMATE.start_main_~i~4 12), 141454#(<= ULTIMATE.start_main_~i~4 22), 141455#(<= ULTIMATE.start_main_~i~4 24), 141452#(<= ULTIMATE.start_main_~i~4 18), 141453#(<= ULTIMATE.start_main_~i~4 20), 141458#(<= ULTIMATE.start_main_~i~4 30), 141459#(<= ULTIMATE.start_main_~i~4 32), 141456#(<= ULTIMATE.start_main_~i~4 26), 141457#(<= ULTIMATE.start_main_~i~4 28), 141462#(<= ULTIMATE.start_main_~i~4 38), 141463#(<= ULTIMATE.start_main_~i~4 40), 141460#(<= ULTIMATE.start_main_~i~4 34), 141461#(<= ULTIMATE.start_main_~i~4 36), 141466#(<= ULTIMATE.start_main_~i~4 46), 141467#(<= ULTIMATE.start_main_~i~4 48), 141464#(<= ULTIMATE.start_main_~i~4 42), 141465#(<= ULTIMATE.start_main_~i~4 44), 141470#(<= ULTIMATE.start_main_~i~4 54), 141471#(<= ULTIMATE.start_main_~i~4 56), 141468#(<= ULTIMATE.start_main_~i~4 50), 141469#(<= ULTIMATE.start_main_~i~4 52), 141474#(<= ULTIMATE.start_main_~i~4 62), 141475#(<= ULTIMATE.start_main_~i~4 64), 141472#(<= ULTIMATE.start_main_~i~4 58), 141473#(<= ULTIMATE.start_main_~i~4 60), 141478#(<= ULTIMATE.start_main_~i~4 70), 141479#(<= ULTIMATE.start_main_~i~4 72), 141476#(<= ULTIMATE.start_main_~i~4 66), 141477#(<= ULTIMATE.start_main_~i~4 68), 141482#(<= ULTIMATE.start_main_~i~4 78), 141483#(<= ULTIMATE.start_main_~i~4 80), 141480#(<= ULTIMATE.start_main_~i~4 74), 141481#(<= ULTIMATE.start_main_~i~4 76), 141486#(<= ULTIMATE.start_main_~i~4 86), 141487#(<= ULTIMATE.start_main_~i~4 88), 141484#(<= ULTIMATE.start_main_~i~4 82), 141485#(<= ULTIMATE.start_main_~i~4 84), 141490#(<= ULTIMATE.start_main_~i~4 94), 141491#(<= ULTIMATE.start_main_~i~4 96), 141488#(<= ULTIMATE.start_main_~i~4 90), 141489#(<= ULTIMATE.start_main_~i~4 92), 141494#(<= ULTIMATE.start_main_~i~4 102), 141495#(<= ULTIMATE.start_main_~i~4 104), 141492#(<= ULTIMATE.start_main_~i~4 98), 141493#(<= ULTIMATE.start_main_~i~4 100), 141498#(<= ULTIMATE.start_main_~i~4 110), 141499#(<= ULTIMATE.start_main_~i~4 112), 141496#(<= ULTIMATE.start_main_~i~4 106), 141497#(<= ULTIMATE.start_main_~i~4 108), 141502#(<= ULTIMATE.start_main_~i~4 118), 141503#(<= ULTIMATE.start_main_~i~4 120), 141500#(<= ULTIMATE.start_main_~i~4 114), 141501#(<= ULTIMATE.start_main_~i~4 116), 141506#(<= ULTIMATE.start_main_~i~4 126), 141507#(<= ULTIMATE.start_main_~i~4 128), 141504#(<= ULTIMATE.start_main_~i~4 122), 141505#(<= ULTIMATE.start_main_~i~4 124), 141510#(<= ULTIMATE.start_main_~i~4 134), 141511#(<= ULTIMATE.start_main_~i~4 136), 141508#(<= ULTIMATE.start_main_~i~4 130), 141509#(<= ULTIMATE.start_main_~i~4 132), 141514#(<= ULTIMATE.start_main_~i~4 142), 141515#(<= ULTIMATE.start_main_~i~4 144), 141512#(<= ULTIMATE.start_main_~i~4 138), 141513#(<= ULTIMATE.start_main_~i~4 140), 141518#(<= ULTIMATE.start_main_~i~4 150), 141519#(<= ULTIMATE.start_main_~i~4 152), 141516#(<= ULTIMATE.start_main_~i~4 146), 141517#(<= ULTIMATE.start_main_~i~4 148), 141522#(<= ULTIMATE.start_main_~i~4 158), 141523#(<= ULTIMATE.start_main_~i~4 160), 141520#(<= ULTIMATE.start_main_~i~4 154), 141521#(<= ULTIMATE.start_main_~i~4 156), 141526#(<= ULTIMATE.start_main_~i~4 166), 141527#(<= ULTIMATE.start_main_~i~4 168), 141524#(<= ULTIMATE.start_main_~i~4 162), 141525#(<= ULTIMATE.start_main_~i~4 164), 141530#(<= ULTIMATE.start_main_~i~4 174), 141531#(<= ULTIMATE.start_main_~i~4 176), 141528#(<= ULTIMATE.start_main_~i~4 170), 141529#(<= ULTIMATE.start_main_~i~4 172), 141534#(<= ULTIMATE.start_main_~i~4 182), 141535#(<= ULTIMATE.start_main_~i~4 184), 141532#(<= ULTIMATE.start_main_~i~4 178), 141533#(<= ULTIMATE.start_main_~i~4 180), 141538#(<= ULTIMATE.start_main_~i~4 190), 141539#(<= ULTIMATE.start_main_~i~4 192), 141536#(<= ULTIMATE.start_main_~i~4 186), 141537#(<= ULTIMATE.start_main_~i~4 188), 141542#(<= ULTIMATE.start_main_~i~4 198), 141543#(<= ULTIMATE.start_main_~i~4 200), 141540#(<= ULTIMATE.start_main_~i~4 194), 141541#(<= ULTIMATE.start_main_~i~4 196), 141546#(<= ULTIMATE.start_main_~i~4 206), 141547#(<= ULTIMATE.start_main_~i~4 208), 141544#(<= ULTIMATE.start_main_~i~4 202), 141545#(<= ULTIMATE.start_main_~i~4 204), 141550#(<= ULTIMATE.start_main_~i~4 214), 141551#(<= ULTIMATE.start_main_~i~4 216), 141548#(<= ULTIMATE.start_main_~i~4 210), 141549#(<= ULTIMATE.start_main_~i~4 212), 141554#(<= ULTIMATE.start_main_~i~4 222), 141555#(<= ULTIMATE.start_main_~i~4 224), 141552#(<= ULTIMATE.start_main_~i~4 218), 141553#(<= ULTIMATE.start_main_~i~4 220), 141558#(<= ULTIMATE.start_main_~i~4 230), 141559#(<= ULTIMATE.start_main_~i~4 232), 141556#(<= ULTIMATE.start_main_~i~4 226), 141557#(<= ULTIMATE.start_main_~i~4 228), 141562#(<= ULTIMATE.start_main_~i~4 238), 141563#(<= ULTIMATE.start_main_~i~4 240), 141560#(<= ULTIMATE.start_main_~i~4 234), 141561#(<= ULTIMATE.start_main_~i~4 236), 141566#(<= ULTIMATE.start_main_~i~4 246), 141567#(<= ULTIMATE.start_main_~i~4 248), 141564#(<= ULTIMATE.start_main_~i~4 242), 141565#(<= ULTIMATE.start_main_~i~4 244), 141570#(<= ULTIMATE.start_main_~i~4 254), 141571#(<= ULTIMATE.start_main_~i~4 256), 141568#(<= ULTIMATE.start_main_~i~4 250), 141569#(<= ULTIMATE.start_main_~i~4 252), 141574#(<= ULTIMATE.start_main_~i~4 262), 141575#(<= ULTIMATE.start_main_~i~4 264), 141572#(<= ULTIMATE.start_main_~i~4 258), 141573#(<= ULTIMATE.start_main_~i~4 260), 141578#(<= ULTIMATE.start_main_~i~4 270), 141579#(<= ULTIMATE.start_main_~i~4 272), 141576#(<= ULTIMATE.start_main_~i~4 266), 141577#(<= ULTIMATE.start_main_~i~4 268), 141582#(<= ULTIMATE.start_main_~i~4 278), 141583#(<= ULTIMATE.start_main_~i~4 280), 141580#(<= ULTIMATE.start_main_~i~4 274), 141581#(<= ULTIMATE.start_main_~i~4 276), 141586#(<= ULTIMATE.start_main_~i~4 286), 141587#(<= ULTIMATE.start_main_~i~4 288), 141584#(<= ULTIMATE.start_main_~i~4 282), 141585#(<= ULTIMATE.start_main_~i~4 284), 141590#(<= ULTIMATE.start_main_~i~4 294), 141591#(<= ULTIMATE.start_main_~i~4 296), 141588#(<= ULTIMATE.start_main_~i~4 290), 141589#(<= ULTIMATE.start_main_~i~4 292), 141594#(<= ULTIMATE.start_main_~i~4 302), 141595#(<= ULTIMATE.start_main_~i~4 304), 141592#(<= ULTIMATE.start_main_~i~4 298), 141593#(<= ULTIMATE.start_main_~i~4 300), 141598#(<= ULTIMATE.start_main_~i~4 310), 141599#(<= ULTIMATE.start_main_~i~4 312), 141596#(<= ULTIMATE.start_main_~i~4 306), 141597#(<= ULTIMATE.start_main_~i~4 308), 141602#(<= ULTIMATE.start_main_~i~4 318), 141603#(<= ULTIMATE.start_main_~i~4 320), 141600#(<= ULTIMATE.start_main_~i~4 314), 141601#(<= ULTIMATE.start_main_~i~4 316), 141606#(<= ULTIMATE.start_main_~i~4 326), 141607#(<= ULTIMATE.start_main_~i~4 328), 141604#(<= ULTIMATE.start_main_~i~4 322), 141605#(<= ULTIMATE.start_main_~i~4 324), 141610#(<= ULTIMATE.start_main_~i~4 334), 141611#(<= ULTIMATE.start_main_~i~4 336), 141608#(<= ULTIMATE.start_main_~i~4 330), 141609#(<= ULTIMATE.start_main_~i~4 332), 141614#(<= ULTIMATE.start_main_~i~4 342), 141615#(<= ULTIMATE.start_main_~i~4 344), 141612#(<= ULTIMATE.start_main_~i~4 338), 141613#(<= ULTIMATE.start_main_~i~4 340), 141618#(<= ULTIMATE.start_main_~i~4 350), 141619#(<= ULTIMATE.start_main_~i~4 352), 141616#(<= ULTIMATE.start_main_~i~4 346), 141617#(<= ULTIMATE.start_main_~i~4 348), 141622#(<= ULTIMATE.start_main_~i~4 358), 141623#(<= ULTIMATE.start_main_~i~4 360), 141620#(<= ULTIMATE.start_main_~i~4 354), 141621#(<= ULTIMATE.start_main_~i~4 356), 141626#(<= ULTIMATE.start_main_~i~4 366), 141627#(<= ULTIMATE.start_main_~i~4 368), 141624#(<= ULTIMATE.start_main_~i~4 362), 141625#(<= ULTIMATE.start_main_~i~4 364), 141630#(<= ULTIMATE.start_main_~i~4 374), 141631#(<= ULTIMATE.start_main_~i~4 376), 141628#(<= ULTIMATE.start_main_~i~4 370), 141629#(<= ULTIMATE.start_main_~i~4 372), 141634#(<= ULTIMATE.start_main_~i~4 382), 141635#(<= ULTIMATE.start_main_~i~4 384), 141632#(<= ULTIMATE.start_main_~i~4 378), 141633#(<= ULTIMATE.start_main_~i~4 380), 141638#(<= ULTIMATE.start_main_~i~4 390), 141639#(<= ULTIMATE.start_main_~i~4 392), 141636#(<= ULTIMATE.start_main_~i~4 386), 141637#(<= ULTIMATE.start_main_~i~4 388), 141642#(<= ULTIMATE.start_main_~i~4 398), 141643#(<= ULTIMATE.start_main_~i~4 400), 141640#(<= ULTIMATE.start_main_~i~4 394), 141641#(<= ULTIMATE.start_main_~i~4 396), 141646#(<= ULTIMATE.start_main_~i~4 406), 141647#(<= ULTIMATE.start_main_~i~4 408), 141644#(<= ULTIMATE.start_main_~i~4 402), 141645#(<= ULTIMATE.start_main_~i~4 404), 141650#(<= ULTIMATE.start_main_~i~4 414), 141651#(<= ULTIMATE.start_main_~i~4 416), 141648#(<= ULTIMATE.start_main_~i~4 410), 141649#(<= ULTIMATE.start_main_~i~4 412), 141654#(<= ULTIMATE.start_main_~i~4 422), 141655#(<= ULTIMATE.start_main_~i~4 424), 141652#(<= ULTIMATE.start_main_~i~4 418), 141653#(<= ULTIMATE.start_main_~i~4 420), 141658#(<= ULTIMATE.start_main_~i~4 430), 141659#(<= ULTIMATE.start_main_~i~4 432), 141656#(<= ULTIMATE.start_main_~i~4 426), 141657#(<= ULTIMATE.start_main_~i~4 428), 141662#(<= ULTIMATE.start_main_~i~4 438), 141663#(<= ULTIMATE.start_main_~i~4 440), 141660#(<= ULTIMATE.start_main_~i~4 434), 141661#(<= ULTIMATE.start_main_~i~4 436), 141666#(<= ULTIMATE.start_main_~i~4 446), 141667#(<= ULTIMATE.start_main_~i~4 448), 141664#(<= ULTIMATE.start_main_~i~4 442), 141665#(<= ULTIMATE.start_main_~i~4 444), 141670#(<= ULTIMATE.start_main_~i~4 454), 141671#(<= ULTIMATE.start_main_~i~4 456), 141668#(<= ULTIMATE.start_main_~i~4 450), 141669#(<= ULTIMATE.start_main_~i~4 452), 141674#(<= ULTIMATE.start_main_~i~4 462), 141675#(<= ULTIMATE.start_main_~i~4 464), 141672#(<= ULTIMATE.start_main_~i~4 458), 141673#(<= ULTIMATE.start_main_~i~4 460), 141676#(<= ULTIMATE.start_main_~i~4 466)] [2018-07-23 13:40:48,190 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 13:40:48,190 INFO L450 AbstractCegarLoop]: Interpolant automaton has 236 states [2018-07-23 13:40:48,193 INFO L132 InterpolantAutomaton]: Constructing interpolant automaton starting with 236 interpolants. [2018-07-23 13:40:48,194 INFO L133 InterpolantAutomaton]: CoverageRelationStatistics Valid=27730, Invalid=27730, Unknown=0, NotChecked=0, Total=55460 [2018-07-23 13:40:48,194 INFO L87 Difference]: Start difference. First operand 237 states and 237 transitions. Second operand 236 states. [2018-07-23 13:40:49,410 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2018-07-23 13:40:49,410 INFO L93 Difference]: Finished difference Result 240 states and 240 transitions. [2018-07-23 13:40:49,410 INFO L142 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 236 states. [2018-07-23 13:40:49,410 INFO L78 Accepts]: Start accepts. Automaton has 236 states. Word has length 236 [2018-07-23 13:40:49,410 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2018-07-23 13:40:49,411 INFO L225 Difference]: With dead ends: 240 [2018-07-23 13:40:49,411 INFO L226 Difference]: Without dead ends: 238 [2018-07-23 13:40:49,412 INFO L575 BasicCegarLoop]: 0 DeclaredPredicates, 235 GetRequests, 1 SyntacticMatches, 0 SemanticMatches, 234 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 0 ImplicationChecksByTransitivity, 1.2s TimeCoverageRelationStatistics Valid=27730, Invalid=27730, Unknown=0, NotChecked=0, Total=55460 [2018-07-23 13:40:49,413 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 238 states. [2018-07-23 13:40:49,415 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 238 to 238. [2018-07-23 13:40:49,415 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 238 states. [2018-07-23 13:40:49,415 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 238 states to 238 states and 238 transitions. [2018-07-23 13:40:49,415 INFO L78 Accepts]: Start accepts. Automaton has 238 states and 238 transitions. Word has length 236 [2018-07-23 13:40:49,415 INFO L84 Accepts]: Finished accepts. word is rejected. [2018-07-23 13:40:49,415 INFO L471 AbstractCegarLoop]: Abstraction has 238 states and 238 transitions. [2018-07-23 13:40:49,415 INFO L472 AbstractCegarLoop]: Interpolant automaton has 236 states. [2018-07-23 13:40:49,416 INFO L276 IsEmpty]: Start isEmpty. Operand 238 states and 238 transitions. [2018-07-23 13:40:49,416 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 238 [2018-07-23 13:40:49,416 INFO L349 BasicCegarLoop]: Found error trace [2018-07-23 13:40:49,416 INFO L357 BasicCegarLoop]: trace histogram [234, 1, 1, 1] [2018-07-23 13:40:49,416 INFO L414 AbstractCegarLoop]: === Iteration 235 === [ULTIMATE.startErr0AssertViolationASSERT]=== [2018-07-23 13:40:49,416 INFO L82 PathProgramCache]: Analyzing trace with hash 1591564193, now seen corresponding path program 234 times [2018-07-23 13:40:49,417 INFO L69 tionRefinementEngine]: Using refinement strategy FixedRefinementStrategy [2018-07-23 13:40:49,802 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-07-23 13:40:51,197 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 13:40:51,198 INFO L309 seRefinementStrategy]: Constructing automaton from 0 perfect and 1 imperfect interpolant sequences. [2018-07-23 13:40:51,198 INFO L324 seRefinementStrategy]: Number of different interpolants: perfect sequences [] imperfect sequences [236] total 236 [2018-07-23 13:40:51,198 INFO L142 lantAutomatonBuilder]: Constructing canonical interpolant automaton, with selfloop in false state [2018-07-23 13:40:51,199 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2018-07-23 13:40:51,199 INFO L185 omatonBuilderFactory]: Interpolants [142850#(<= ULTIMATE.start_main_~i~4 430), 142851#(<= ULTIMATE.start_main_~i~4 432), 142848#(<= ULTIMATE.start_main_~i~4 426), 142849#(<= ULTIMATE.start_main_~i~4 428), 142854#(<= ULTIMATE.start_main_~i~4 438), 142855#(<= ULTIMATE.start_main_~i~4 440), 142852#(<= ULTIMATE.start_main_~i~4 434), 142853#(<= ULTIMATE.start_main_~i~4 436), 142858#(<= ULTIMATE.start_main_~i~4 446), 142859#(<= ULTIMATE.start_main_~i~4 448), 142856#(<= ULTIMATE.start_main_~i~4 442), 142857#(<= ULTIMATE.start_main_~i~4 444), 142862#(<= ULTIMATE.start_main_~i~4 454), 142863#(<= ULTIMATE.start_main_~i~4 456), 142860#(<= ULTIMATE.start_main_~i~4 450), 142861#(<= ULTIMATE.start_main_~i~4 452), 142866#(<= ULTIMATE.start_main_~i~4 462), 142867#(<= ULTIMATE.start_main_~i~4 464), 142864#(<= ULTIMATE.start_main_~i~4 458), 142865#(<= ULTIMATE.start_main_~i~4 460), 142868#(<= ULTIMATE.start_main_~i~4 466), 142869#(<= ULTIMATE.start_main_~i~4 468), 142634#false, 142635#(<= ULTIMATE.start_main_~i~4 0), 142633#true, 142638#(<= ULTIMATE.start_main_~i~4 6), 142639#(<= ULTIMATE.start_main_~i~4 8), 142636#(<= ULTIMATE.start_main_~i~4 2), 142637#(<= ULTIMATE.start_main_~i~4 4), 142642#(<= ULTIMATE.start_main_~i~4 14), 142643#(<= ULTIMATE.start_main_~i~4 16), 142640#(<= ULTIMATE.start_main_~i~4 10), 142641#(<= ULTIMATE.start_main_~i~4 12), 142646#(<= ULTIMATE.start_main_~i~4 22), 142647#(<= ULTIMATE.start_main_~i~4 24), 142644#(<= ULTIMATE.start_main_~i~4 18), 142645#(<= ULTIMATE.start_main_~i~4 20), 142650#(<= ULTIMATE.start_main_~i~4 30), 142651#(<= ULTIMATE.start_main_~i~4 32), 142648#(<= ULTIMATE.start_main_~i~4 26), 142649#(<= ULTIMATE.start_main_~i~4 28), 142654#(<= ULTIMATE.start_main_~i~4 38), 142655#(<= ULTIMATE.start_main_~i~4 40), 142652#(<= ULTIMATE.start_main_~i~4 34), 142653#(<= ULTIMATE.start_main_~i~4 36), 142658#(<= ULTIMATE.start_main_~i~4 46), 142659#(<= ULTIMATE.start_main_~i~4 48), 142656#(<= ULTIMATE.start_main_~i~4 42), 142657#(<= ULTIMATE.start_main_~i~4 44), 142662#(<= ULTIMATE.start_main_~i~4 54), 142663#(<= ULTIMATE.start_main_~i~4 56), 142660#(<= ULTIMATE.start_main_~i~4 50), 142661#(<= ULTIMATE.start_main_~i~4 52), 142666#(<= ULTIMATE.start_main_~i~4 62), 142667#(<= ULTIMATE.start_main_~i~4 64), 142664#(<= ULTIMATE.start_main_~i~4 58), 142665#(<= ULTIMATE.start_main_~i~4 60), 142670#(<= ULTIMATE.start_main_~i~4 70), 142671#(<= ULTIMATE.start_main_~i~4 72), 142668#(<= ULTIMATE.start_main_~i~4 66), 142669#(<= ULTIMATE.start_main_~i~4 68), 142674#(<= ULTIMATE.start_main_~i~4 78), 142675#(<= ULTIMATE.start_main_~i~4 80), 142672#(<= ULTIMATE.start_main_~i~4 74), 142673#(<= ULTIMATE.start_main_~i~4 76), 142678#(<= ULTIMATE.start_main_~i~4 86), 142679#(<= ULTIMATE.start_main_~i~4 88), 142676#(<= ULTIMATE.start_main_~i~4 82), 142677#(<= ULTIMATE.start_main_~i~4 84), 142682#(<= ULTIMATE.start_main_~i~4 94), 142683#(<= ULTIMATE.start_main_~i~4 96), 142680#(<= ULTIMATE.start_main_~i~4 90), 142681#(<= ULTIMATE.start_main_~i~4 92), 142686#(<= ULTIMATE.start_main_~i~4 102), 142687#(<= ULTIMATE.start_main_~i~4 104), 142684#(<= ULTIMATE.start_main_~i~4 98), 142685#(<= ULTIMATE.start_main_~i~4 100), 142690#(<= ULTIMATE.start_main_~i~4 110), 142691#(<= ULTIMATE.start_main_~i~4 112), 142688#(<= ULTIMATE.start_main_~i~4 106), 142689#(<= ULTIMATE.start_main_~i~4 108), 142694#(<= ULTIMATE.start_main_~i~4 118), 142695#(<= ULTIMATE.start_main_~i~4 120), 142692#(<= ULTIMATE.start_main_~i~4 114), 142693#(<= ULTIMATE.start_main_~i~4 116), 142698#(<= ULTIMATE.start_main_~i~4 126), 142699#(<= ULTIMATE.start_main_~i~4 128), 142696#(<= ULTIMATE.start_main_~i~4 122), 142697#(<= ULTIMATE.start_main_~i~4 124), 142702#(<= ULTIMATE.start_main_~i~4 134), 142703#(<= ULTIMATE.start_main_~i~4 136), 142700#(<= ULTIMATE.start_main_~i~4 130), 142701#(<= ULTIMATE.start_main_~i~4 132), 142706#(<= ULTIMATE.start_main_~i~4 142), 142707#(<= ULTIMATE.start_main_~i~4 144), 142704#(<= ULTIMATE.start_main_~i~4 138), 142705#(<= ULTIMATE.start_main_~i~4 140), 142710#(<= ULTIMATE.start_main_~i~4 150), 142711#(<= ULTIMATE.start_main_~i~4 152), 142708#(<= ULTIMATE.start_main_~i~4 146), 142709#(<= ULTIMATE.start_main_~i~4 148), 142714#(<= ULTIMATE.start_main_~i~4 158), 142715#(<= ULTIMATE.start_main_~i~4 160), 142712#(<= ULTIMATE.start_main_~i~4 154), 142713#(<= ULTIMATE.start_main_~i~4 156), 142718#(<= ULTIMATE.start_main_~i~4 166), 142719#(<= ULTIMATE.start_main_~i~4 168), 142716#(<= ULTIMATE.start_main_~i~4 162), 142717#(<= ULTIMATE.start_main_~i~4 164), 142722#(<= ULTIMATE.start_main_~i~4 174), 142723#(<= ULTIMATE.start_main_~i~4 176), 142720#(<= ULTIMATE.start_main_~i~4 170), 142721#(<= ULTIMATE.start_main_~i~4 172), 142726#(<= ULTIMATE.start_main_~i~4 182), 142727#(<= ULTIMATE.start_main_~i~4 184), 142724#(<= ULTIMATE.start_main_~i~4 178), 142725#(<= ULTIMATE.start_main_~i~4 180), 142730#(<= ULTIMATE.start_main_~i~4 190), 142731#(<= ULTIMATE.start_main_~i~4 192), 142728#(<= ULTIMATE.start_main_~i~4 186), 142729#(<= ULTIMATE.start_main_~i~4 188), 142734#(<= ULTIMATE.start_main_~i~4 198), 142735#(<= ULTIMATE.start_main_~i~4 200), 142732#(<= ULTIMATE.start_main_~i~4 194), 142733#(<= ULTIMATE.start_main_~i~4 196), 142738#(<= ULTIMATE.start_main_~i~4 206), 142739#(<= ULTIMATE.start_main_~i~4 208), 142736#(<= ULTIMATE.start_main_~i~4 202), 142737#(<= ULTIMATE.start_main_~i~4 204), 142742#(<= ULTIMATE.start_main_~i~4 214), 142743#(<= ULTIMATE.start_main_~i~4 216), 142740#(<= ULTIMATE.start_main_~i~4 210), 142741#(<= ULTIMATE.start_main_~i~4 212), 142746#(<= ULTIMATE.start_main_~i~4 222), 142747#(<= ULTIMATE.start_main_~i~4 224), 142744#(<= ULTIMATE.start_main_~i~4 218), 142745#(<= ULTIMATE.start_main_~i~4 220), 142750#(<= ULTIMATE.start_main_~i~4 230), 142751#(<= ULTIMATE.start_main_~i~4 232), 142748#(<= ULTIMATE.start_main_~i~4 226), 142749#(<= ULTIMATE.start_main_~i~4 228), 142754#(<= ULTIMATE.start_main_~i~4 238), 142755#(<= ULTIMATE.start_main_~i~4 240), 142752#(<= ULTIMATE.start_main_~i~4 234), 142753#(<= ULTIMATE.start_main_~i~4 236), 142758#(<= ULTIMATE.start_main_~i~4 246), 142759#(<= ULTIMATE.start_main_~i~4 248), 142756#(<= ULTIMATE.start_main_~i~4 242), 142757#(<= ULTIMATE.start_main_~i~4 244), 142762#(<= ULTIMATE.start_main_~i~4 254), 142763#(<= ULTIMATE.start_main_~i~4 256), 142760#(<= ULTIMATE.start_main_~i~4 250), 142761#(<= ULTIMATE.start_main_~i~4 252), 142766#(<= ULTIMATE.start_main_~i~4 262), 142767#(<= ULTIMATE.start_main_~i~4 264), 142764#(<= ULTIMATE.start_main_~i~4 258), 142765#(<= ULTIMATE.start_main_~i~4 260), 142770#(<= ULTIMATE.start_main_~i~4 270), 142771#(<= ULTIMATE.start_main_~i~4 272), 142768#(<= ULTIMATE.start_main_~i~4 266), 142769#(<= ULTIMATE.start_main_~i~4 268), 142774#(<= ULTIMATE.start_main_~i~4 278), 142775#(<= ULTIMATE.start_main_~i~4 280), 142772#(<= ULTIMATE.start_main_~i~4 274), 142773#(<= ULTIMATE.start_main_~i~4 276), 142778#(<= ULTIMATE.start_main_~i~4 286), 142779#(<= ULTIMATE.start_main_~i~4 288), 142776#(<= ULTIMATE.start_main_~i~4 282), 142777#(<= ULTIMATE.start_main_~i~4 284), 142782#(<= ULTIMATE.start_main_~i~4 294), 142783#(<= ULTIMATE.start_main_~i~4 296), 142780#(<= ULTIMATE.start_main_~i~4 290), 142781#(<= ULTIMATE.start_main_~i~4 292), 142786#(<= ULTIMATE.start_main_~i~4 302), 142787#(<= ULTIMATE.start_main_~i~4 304), 142784#(<= ULTIMATE.start_main_~i~4 298), 142785#(<= ULTIMATE.start_main_~i~4 300), 142790#(<= ULTIMATE.start_main_~i~4 310), 142791#(<= ULTIMATE.start_main_~i~4 312), 142788#(<= ULTIMATE.start_main_~i~4 306), 142789#(<= ULTIMATE.start_main_~i~4 308), 142794#(<= ULTIMATE.start_main_~i~4 318), 142795#(<= ULTIMATE.start_main_~i~4 320), 142792#(<= ULTIMATE.start_main_~i~4 314), 142793#(<= ULTIMATE.start_main_~i~4 316), 142798#(<= ULTIMATE.start_main_~i~4 326), 142799#(<= ULTIMATE.start_main_~i~4 328), 142796#(<= ULTIMATE.start_main_~i~4 322), 142797#(<= ULTIMATE.start_main_~i~4 324), 142802#(<= ULTIMATE.start_main_~i~4 334), 142803#(<= ULTIMATE.start_main_~i~4 336), 142800#(<= ULTIMATE.start_main_~i~4 330), 142801#(<= ULTIMATE.start_main_~i~4 332), 142806#(<= ULTIMATE.start_main_~i~4 342), 142807#(<= ULTIMATE.start_main_~i~4 344), 142804#(<= ULTIMATE.start_main_~i~4 338), 142805#(<= ULTIMATE.start_main_~i~4 340), 142810#(<= ULTIMATE.start_main_~i~4 350), 142811#(<= ULTIMATE.start_main_~i~4 352), 142808#(<= ULTIMATE.start_main_~i~4 346), 142809#(<= ULTIMATE.start_main_~i~4 348), 142814#(<= ULTIMATE.start_main_~i~4 358), 142815#(<= ULTIMATE.start_main_~i~4 360), 142812#(<= ULTIMATE.start_main_~i~4 354), 142813#(<= ULTIMATE.start_main_~i~4 356), 142818#(<= ULTIMATE.start_main_~i~4 366), 142819#(<= ULTIMATE.start_main_~i~4 368), 142816#(<= ULTIMATE.start_main_~i~4 362), 142817#(<= ULTIMATE.start_main_~i~4 364), 142822#(<= ULTIMATE.start_main_~i~4 374), 142823#(<= ULTIMATE.start_main_~i~4 376), 142820#(<= ULTIMATE.start_main_~i~4 370), 142821#(<= ULTIMATE.start_main_~i~4 372), 142826#(<= ULTIMATE.start_main_~i~4 382), 142827#(<= ULTIMATE.start_main_~i~4 384), 142824#(<= ULTIMATE.start_main_~i~4 378), 142825#(<= ULTIMATE.start_main_~i~4 380), 142830#(<= ULTIMATE.start_main_~i~4 390), 142831#(<= ULTIMATE.start_main_~i~4 392), 142828#(<= ULTIMATE.start_main_~i~4 386), 142829#(<= ULTIMATE.start_main_~i~4 388), 142834#(<= ULTIMATE.start_main_~i~4 398), 142835#(<= ULTIMATE.start_main_~i~4 400), 142832#(<= ULTIMATE.start_main_~i~4 394), 142833#(<= ULTIMATE.start_main_~i~4 396), 142838#(<= ULTIMATE.start_main_~i~4 406), 142839#(<= ULTIMATE.start_main_~i~4 408), 142836#(<= ULTIMATE.start_main_~i~4 402), 142837#(<= ULTIMATE.start_main_~i~4 404), 142842#(<= ULTIMATE.start_main_~i~4 414), 142843#(<= ULTIMATE.start_main_~i~4 416), 142840#(<= ULTIMATE.start_main_~i~4 410), 142841#(<= ULTIMATE.start_main_~i~4 412), 142846#(<= ULTIMATE.start_main_~i~4 422), 142847#(<= ULTIMATE.start_main_~i~4 424), 142844#(<= ULTIMATE.start_main_~i~4 418), 142845#(<= ULTIMATE.start_main_~i~4 420)] [2018-07-23 13:40:51,201 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 13:40:51,201 INFO L450 AbstractCegarLoop]: Interpolant automaton has 237 states [2018-07-23 13:40:51,205 INFO L132 InterpolantAutomaton]: Constructing interpolant automaton starting with 237 interpolants. [2018-07-23 13:40:51,208 INFO L133 InterpolantAutomaton]: CoverageRelationStatistics Valid=27966, Invalid=27966, Unknown=0, NotChecked=0, Total=55932 [2018-07-23 13:40:51,208 INFO L87 Difference]: Start difference. First operand 238 states and 238 transitions. Second operand 237 states. [2018-07-23 13:40:52,680 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2018-07-23 13:40:52,680 INFO L93 Difference]: Finished difference Result 241 states and 241 transitions. [2018-07-23 13:40:52,680 INFO L142 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 237 states. [2018-07-23 13:40:52,680 INFO L78 Accepts]: Start accepts. Automaton has 237 states. Word has length 237 [2018-07-23 13:40:52,681 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2018-07-23 13:40:52,681 INFO L225 Difference]: With dead ends: 241 [2018-07-23 13:40:52,681 INFO L226 Difference]: Without dead ends: 239 [2018-07-23 13:40:52,684 INFO L575 BasicCegarLoop]: 0 DeclaredPredicates, 236 GetRequests, 1 SyntacticMatches, 0 SemanticMatches, 235 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 0 ImplicationChecksByTransitivity, 1.2s TimeCoverageRelationStatistics Valid=27966, Invalid=27966, Unknown=0, NotChecked=0, Total=55932 [2018-07-23 13:40:52,684 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 239 states. [2018-07-23 13:40:52,686 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 239 to 239. [2018-07-23 13:40:52,686 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 239 states. [2018-07-23 13:40:52,686 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 239 states to 239 states and 239 transitions. [2018-07-23 13:40:52,686 INFO L78 Accepts]: Start accepts. Automaton has 239 states and 239 transitions. Word has length 237 [2018-07-23 13:40:52,687 INFO L84 Accepts]: Finished accepts. word is rejected. [2018-07-23 13:40:52,687 INFO L471 AbstractCegarLoop]: Abstraction has 239 states and 239 transitions. [2018-07-23 13:40:52,687 INFO L472 AbstractCegarLoop]: Interpolant automaton has 237 states. [2018-07-23 13:40:52,687 INFO L276 IsEmpty]: Start isEmpty. Operand 239 states and 239 transitions. [2018-07-23 13:40:52,687 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 239 [2018-07-23 13:40:52,687 INFO L349 BasicCegarLoop]: Found error trace [2018-07-23 13:40:52,687 INFO L357 BasicCegarLoop]: trace histogram [235, 1, 1, 1] [2018-07-23 13:40:52,687 INFO L414 AbstractCegarLoop]: === Iteration 236 === [ULTIMATE.startErr0AssertViolationASSERT]=== [2018-07-23 13:40:52,688 INFO L82 PathProgramCache]: Analyzing trace with hash 2093847752, now seen corresponding path program 235 times [2018-07-23 13:40:52,688 INFO L69 tionRefinementEngine]: Using refinement strategy FixedRefinementStrategy [2018-07-23 13:40:53,069 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-07-23 13:40:54,596 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 13:40:54,596 INFO L309 seRefinementStrategy]: Constructing automaton from 0 perfect and 1 imperfect interpolant sequences. [2018-07-23 13:40:54,597 INFO L324 seRefinementStrategy]: Number of different interpolants: perfect sequences [] imperfect sequences [237] total 237 [2018-07-23 13:40:54,597 INFO L142 lantAutomatonBuilder]: Constructing canonical interpolant automaton, with selfloop in false state [2018-07-23 13:40:54,597 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2018-07-23 13:40:54,597 INFO L185 omatonBuilderFactory]: Interpolants [143874#(<= ULTIMATE.start_main_~i~4 84), 143875#(<= ULTIMATE.start_main_~i~4 86), 143872#(<= ULTIMATE.start_main_~i~4 80), 143873#(<= ULTIMATE.start_main_~i~4 82), 143878#(<= ULTIMATE.start_main_~i~4 92), 143879#(<= ULTIMATE.start_main_~i~4 94), 143876#(<= ULTIMATE.start_main_~i~4 88), 143877#(<= ULTIMATE.start_main_~i~4 90), 143882#(<= ULTIMATE.start_main_~i~4 100), 143883#(<= ULTIMATE.start_main_~i~4 102), 143880#(<= ULTIMATE.start_main_~i~4 96), 143881#(<= ULTIMATE.start_main_~i~4 98), 143886#(<= ULTIMATE.start_main_~i~4 108), 143887#(<= ULTIMATE.start_main_~i~4 110), 143884#(<= ULTIMATE.start_main_~i~4 104), 143885#(<= ULTIMATE.start_main_~i~4 106), 143890#(<= ULTIMATE.start_main_~i~4 116), 143891#(<= ULTIMATE.start_main_~i~4 118), 143888#(<= ULTIMATE.start_main_~i~4 112), 143889#(<= ULTIMATE.start_main_~i~4 114), 143894#(<= ULTIMATE.start_main_~i~4 124), 143895#(<= ULTIMATE.start_main_~i~4 126), 143892#(<= ULTIMATE.start_main_~i~4 120), 143893#(<= ULTIMATE.start_main_~i~4 122), 143898#(<= ULTIMATE.start_main_~i~4 132), 143899#(<= ULTIMATE.start_main_~i~4 134), 143896#(<= ULTIMATE.start_main_~i~4 128), 143897#(<= ULTIMATE.start_main_~i~4 130), 143902#(<= ULTIMATE.start_main_~i~4 140), 143903#(<= ULTIMATE.start_main_~i~4 142), 143900#(<= ULTIMATE.start_main_~i~4 136), 143901#(<= ULTIMATE.start_main_~i~4 138), 143906#(<= ULTIMATE.start_main_~i~4 148), 143907#(<= ULTIMATE.start_main_~i~4 150), 143904#(<= ULTIMATE.start_main_~i~4 144), 143905#(<= ULTIMATE.start_main_~i~4 146), 143910#(<= ULTIMATE.start_main_~i~4 156), 143911#(<= ULTIMATE.start_main_~i~4 158), 143908#(<= ULTIMATE.start_main_~i~4 152), 143909#(<= ULTIMATE.start_main_~i~4 154), 143914#(<= ULTIMATE.start_main_~i~4 164), 143915#(<= ULTIMATE.start_main_~i~4 166), 143912#(<= ULTIMATE.start_main_~i~4 160), 143913#(<= ULTIMATE.start_main_~i~4 162), 143918#(<= ULTIMATE.start_main_~i~4 172), 143919#(<= ULTIMATE.start_main_~i~4 174), 143916#(<= ULTIMATE.start_main_~i~4 168), 143917#(<= ULTIMATE.start_main_~i~4 170), 143922#(<= ULTIMATE.start_main_~i~4 180), 143923#(<= ULTIMATE.start_main_~i~4 182), 143920#(<= ULTIMATE.start_main_~i~4 176), 143921#(<= ULTIMATE.start_main_~i~4 178), 143926#(<= ULTIMATE.start_main_~i~4 188), 143927#(<= ULTIMATE.start_main_~i~4 190), 143924#(<= ULTIMATE.start_main_~i~4 184), 143925#(<= ULTIMATE.start_main_~i~4 186), 143930#(<= ULTIMATE.start_main_~i~4 196), 143931#(<= ULTIMATE.start_main_~i~4 198), 143928#(<= ULTIMATE.start_main_~i~4 192), 143929#(<= ULTIMATE.start_main_~i~4 194), 143934#(<= ULTIMATE.start_main_~i~4 204), 143935#(<= ULTIMATE.start_main_~i~4 206), 143932#(<= ULTIMATE.start_main_~i~4 200), 143933#(<= ULTIMATE.start_main_~i~4 202), 143938#(<= ULTIMATE.start_main_~i~4 212), 143939#(<= ULTIMATE.start_main_~i~4 214), 143936#(<= ULTIMATE.start_main_~i~4 208), 143937#(<= ULTIMATE.start_main_~i~4 210), 143942#(<= ULTIMATE.start_main_~i~4 220), 143943#(<= ULTIMATE.start_main_~i~4 222), 143940#(<= ULTIMATE.start_main_~i~4 216), 143941#(<= ULTIMATE.start_main_~i~4 218), 143946#(<= ULTIMATE.start_main_~i~4 228), 143947#(<= ULTIMATE.start_main_~i~4 230), 143944#(<= ULTIMATE.start_main_~i~4 224), 143945#(<= ULTIMATE.start_main_~i~4 226), 143950#(<= ULTIMATE.start_main_~i~4 236), 143951#(<= ULTIMATE.start_main_~i~4 238), 143948#(<= ULTIMATE.start_main_~i~4 232), 143949#(<= ULTIMATE.start_main_~i~4 234), 143954#(<= ULTIMATE.start_main_~i~4 244), 143955#(<= ULTIMATE.start_main_~i~4 246), 143952#(<= ULTIMATE.start_main_~i~4 240), 143953#(<= ULTIMATE.start_main_~i~4 242), 143958#(<= ULTIMATE.start_main_~i~4 252), 143959#(<= ULTIMATE.start_main_~i~4 254), 143956#(<= ULTIMATE.start_main_~i~4 248), 143957#(<= ULTIMATE.start_main_~i~4 250), 143962#(<= ULTIMATE.start_main_~i~4 260), 143963#(<= ULTIMATE.start_main_~i~4 262), 143960#(<= ULTIMATE.start_main_~i~4 256), 143961#(<= ULTIMATE.start_main_~i~4 258), 143966#(<= ULTIMATE.start_main_~i~4 268), 143967#(<= ULTIMATE.start_main_~i~4 270), 143964#(<= ULTIMATE.start_main_~i~4 264), 143965#(<= ULTIMATE.start_main_~i~4 266), 143970#(<= ULTIMATE.start_main_~i~4 276), 143971#(<= ULTIMATE.start_main_~i~4 278), 143968#(<= ULTIMATE.start_main_~i~4 272), 143969#(<= ULTIMATE.start_main_~i~4 274), 143974#(<= ULTIMATE.start_main_~i~4 284), 143975#(<= ULTIMATE.start_main_~i~4 286), 143972#(<= ULTIMATE.start_main_~i~4 280), 143973#(<= ULTIMATE.start_main_~i~4 282), 143978#(<= ULTIMATE.start_main_~i~4 292), 143979#(<= ULTIMATE.start_main_~i~4 294), 143976#(<= ULTIMATE.start_main_~i~4 288), 143977#(<= ULTIMATE.start_main_~i~4 290), 143982#(<= ULTIMATE.start_main_~i~4 300), 143983#(<= ULTIMATE.start_main_~i~4 302), 143980#(<= ULTIMATE.start_main_~i~4 296), 143981#(<= ULTIMATE.start_main_~i~4 298), 143986#(<= ULTIMATE.start_main_~i~4 308), 143987#(<= ULTIMATE.start_main_~i~4 310), 143984#(<= ULTIMATE.start_main_~i~4 304), 143985#(<= ULTIMATE.start_main_~i~4 306), 143990#(<= ULTIMATE.start_main_~i~4 316), 143991#(<= ULTIMATE.start_main_~i~4 318), 143988#(<= ULTIMATE.start_main_~i~4 312), 143989#(<= ULTIMATE.start_main_~i~4 314), 143994#(<= ULTIMATE.start_main_~i~4 324), 143995#(<= ULTIMATE.start_main_~i~4 326), 143992#(<= ULTIMATE.start_main_~i~4 320), 143993#(<= ULTIMATE.start_main_~i~4 322), 143998#(<= ULTIMATE.start_main_~i~4 332), 143999#(<= ULTIMATE.start_main_~i~4 334), 143996#(<= ULTIMATE.start_main_~i~4 328), 143997#(<= ULTIMATE.start_main_~i~4 330), 144002#(<= ULTIMATE.start_main_~i~4 340), 144003#(<= ULTIMATE.start_main_~i~4 342), 144000#(<= ULTIMATE.start_main_~i~4 336), 144001#(<= ULTIMATE.start_main_~i~4 338), 144006#(<= ULTIMATE.start_main_~i~4 348), 144007#(<= ULTIMATE.start_main_~i~4 350), 144004#(<= ULTIMATE.start_main_~i~4 344), 144005#(<= ULTIMATE.start_main_~i~4 346), 144010#(<= ULTIMATE.start_main_~i~4 356), 144011#(<= ULTIMATE.start_main_~i~4 358), 144008#(<= ULTIMATE.start_main_~i~4 352), 144009#(<= ULTIMATE.start_main_~i~4 354), 144014#(<= ULTIMATE.start_main_~i~4 364), 144015#(<= ULTIMATE.start_main_~i~4 366), 144012#(<= ULTIMATE.start_main_~i~4 360), 144013#(<= ULTIMATE.start_main_~i~4 362), 144018#(<= ULTIMATE.start_main_~i~4 372), 144019#(<= ULTIMATE.start_main_~i~4 374), 144016#(<= ULTIMATE.start_main_~i~4 368), 144017#(<= ULTIMATE.start_main_~i~4 370), 144022#(<= ULTIMATE.start_main_~i~4 380), 144023#(<= ULTIMATE.start_main_~i~4 382), 144020#(<= ULTIMATE.start_main_~i~4 376), 144021#(<= ULTIMATE.start_main_~i~4 378), 144026#(<= ULTIMATE.start_main_~i~4 388), 144027#(<= ULTIMATE.start_main_~i~4 390), 144024#(<= ULTIMATE.start_main_~i~4 384), 144025#(<= ULTIMATE.start_main_~i~4 386), 144030#(<= ULTIMATE.start_main_~i~4 396), 144031#(<= ULTIMATE.start_main_~i~4 398), 144028#(<= ULTIMATE.start_main_~i~4 392), 144029#(<= ULTIMATE.start_main_~i~4 394), 144034#(<= ULTIMATE.start_main_~i~4 404), 144035#(<= ULTIMATE.start_main_~i~4 406), 144032#(<= ULTIMATE.start_main_~i~4 400), 144033#(<= ULTIMATE.start_main_~i~4 402), 144038#(<= ULTIMATE.start_main_~i~4 412), 144039#(<= ULTIMATE.start_main_~i~4 414), 144036#(<= ULTIMATE.start_main_~i~4 408), 144037#(<= ULTIMATE.start_main_~i~4 410), 144042#(<= ULTIMATE.start_main_~i~4 420), 144043#(<= ULTIMATE.start_main_~i~4 422), 144040#(<= ULTIMATE.start_main_~i~4 416), 144041#(<= ULTIMATE.start_main_~i~4 418), 144046#(<= ULTIMATE.start_main_~i~4 428), 144047#(<= ULTIMATE.start_main_~i~4 430), 144044#(<= ULTIMATE.start_main_~i~4 424), 144045#(<= ULTIMATE.start_main_~i~4 426), 144050#(<= ULTIMATE.start_main_~i~4 436), 144051#(<= ULTIMATE.start_main_~i~4 438), 144048#(<= ULTIMATE.start_main_~i~4 432), 144049#(<= ULTIMATE.start_main_~i~4 434), 144054#(<= ULTIMATE.start_main_~i~4 444), 144055#(<= ULTIMATE.start_main_~i~4 446), 144052#(<= ULTIMATE.start_main_~i~4 440), 144053#(<= ULTIMATE.start_main_~i~4 442), 144058#(<= ULTIMATE.start_main_~i~4 452), 144059#(<= ULTIMATE.start_main_~i~4 454), 144056#(<= ULTIMATE.start_main_~i~4 448), 144057#(<= ULTIMATE.start_main_~i~4 450), 144062#(<= ULTIMATE.start_main_~i~4 460), 144063#(<= ULTIMATE.start_main_~i~4 462), 144060#(<= ULTIMATE.start_main_~i~4 456), 144061#(<= ULTIMATE.start_main_~i~4 458), 144066#(<= ULTIMATE.start_main_~i~4 468), 144067#(<= ULTIMATE.start_main_~i~4 470), 144064#(<= ULTIMATE.start_main_~i~4 464), 144065#(<= ULTIMATE.start_main_~i~4 466), 143830#true, 143831#false, 143834#(<= ULTIMATE.start_main_~i~4 4), 143835#(<= ULTIMATE.start_main_~i~4 6), 143832#(<= ULTIMATE.start_main_~i~4 0), 143833#(<= ULTIMATE.start_main_~i~4 2), 143838#(<= ULTIMATE.start_main_~i~4 12), 143839#(<= ULTIMATE.start_main_~i~4 14), 143836#(<= ULTIMATE.start_main_~i~4 8), 143837#(<= ULTIMATE.start_main_~i~4 10), 143842#(<= ULTIMATE.start_main_~i~4 20), 143843#(<= ULTIMATE.start_main_~i~4 22), 143840#(<= ULTIMATE.start_main_~i~4 16), 143841#(<= ULTIMATE.start_main_~i~4 18), 143846#(<= ULTIMATE.start_main_~i~4 28), 143847#(<= ULTIMATE.start_main_~i~4 30), 143844#(<= ULTIMATE.start_main_~i~4 24), 143845#(<= ULTIMATE.start_main_~i~4 26), 143850#(<= ULTIMATE.start_main_~i~4 36), 143851#(<= ULTIMATE.start_main_~i~4 38), 143848#(<= ULTIMATE.start_main_~i~4 32), 143849#(<= ULTIMATE.start_main_~i~4 34), 143854#(<= ULTIMATE.start_main_~i~4 44), 143855#(<= ULTIMATE.start_main_~i~4 46), 143852#(<= ULTIMATE.start_main_~i~4 40), 143853#(<= ULTIMATE.start_main_~i~4 42), 143858#(<= ULTIMATE.start_main_~i~4 52), 143859#(<= ULTIMATE.start_main_~i~4 54), 143856#(<= ULTIMATE.start_main_~i~4 48), 143857#(<= ULTIMATE.start_main_~i~4 50), 143862#(<= ULTIMATE.start_main_~i~4 60), 143863#(<= ULTIMATE.start_main_~i~4 62), 143860#(<= ULTIMATE.start_main_~i~4 56), 143861#(<= ULTIMATE.start_main_~i~4 58), 143866#(<= ULTIMATE.start_main_~i~4 68), 143867#(<= ULTIMATE.start_main_~i~4 70), 143864#(<= ULTIMATE.start_main_~i~4 64), 143865#(<= ULTIMATE.start_main_~i~4 66), 143870#(<= ULTIMATE.start_main_~i~4 76), 143871#(<= ULTIMATE.start_main_~i~4 78), 143868#(<= ULTIMATE.start_main_~i~4 72), 143869#(<= ULTIMATE.start_main_~i~4 74)] [2018-07-23 13:40:54,599 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 13:40:54,599 INFO L450 AbstractCegarLoop]: Interpolant automaton has 238 states [2018-07-23 13:40:54,603 INFO L132 InterpolantAutomaton]: Constructing interpolant automaton starting with 238 interpolants. [2018-07-23 13:40:54,605 INFO L133 InterpolantAutomaton]: CoverageRelationStatistics Valid=28203, Invalid=28203, Unknown=0, NotChecked=0, Total=56406 [2018-07-23 13:40:54,606 INFO L87 Difference]: Start difference. First operand 239 states and 239 transitions. Second operand 238 states. [2018-07-23 13:40:56,161 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2018-07-23 13:40:56,162 INFO L93 Difference]: Finished difference Result 242 states and 242 transitions. [2018-07-23 13:40:56,162 INFO L142 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 238 states. [2018-07-23 13:40:56,162 INFO L78 Accepts]: Start accepts. Automaton has 238 states. Word has length 238 [2018-07-23 13:40:56,162 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2018-07-23 13:40:56,162 INFO L225 Difference]: With dead ends: 242 [2018-07-23 13:40:56,162 INFO L226 Difference]: Without dead ends: 240 [2018-07-23 13:40:56,165 INFO L575 BasicCegarLoop]: 0 DeclaredPredicates, 237 GetRequests, 1 SyntacticMatches, 0 SemanticMatches, 236 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 0 ImplicationChecksByTransitivity, 1.3s TimeCoverageRelationStatistics Valid=28203, Invalid=28203, Unknown=0, NotChecked=0, Total=56406 [2018-07-23 13:40:56,165 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 240 states. [2018-07-23 13:40:56,167 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 240 to 240. [2018-07-23 13:40:56,168 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 240 states. [2018-07-23 13:40:56,168 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 240 states to 240 states and 240 transitions. [2018-07-23 13:40:56,168 INFO L78 Accepts]: Start accepts. Automaton has 240 states and 240 transitions. Word has length 238 [2018-07-23 13:40:56,168 INFO L84 Accepts]: Finished accepts. word is rejected. [2018-07-23 13:40:56,168 INFO L471 AbstractCegarLoop]: Abstraction has 240 states and 240 transitions. [2018-07-23 13:40:56,168 INFO L472 AbstractCegarLoop]: Interpolant automaton has 238 states. [2018-07-23 13:40:56,168 INFO L276 IsEmpty]: Start isEmpty. Operand 240 states and 240 transitions. [2018-07-23 13:40:56,169 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 240 [2018-07-23 13:40:56,169 INFO L349 BasicCegarLoop]: Found error trace [2018-07-23 13:40:56,169 INFO L357 BasicCegarLoop]: trace histogram [236, 1, 1, 1] [2018-07-23 13:40:56,169 INFO L414 AbstractCegarLoop]: === Iteration 237 === [ULTIMATE.startErr0AssertViolationASSERT]=== [2018-07-23 13:40:56,169 INFO L82 PathProgramCache]: Analyzing trace with hash 484768897, now seen corresponding path program 236 times [2018-07-23 13:40:56,169 INFO L69 tionRefinementEngine]: Using refinement strategy FixedRefinementStrategy [2018-07-23 13:40:56,559 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-07-23 13:40:58,043 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 13:40:58,044 INFO L309 seRefinementStrategy]: Constructing automaton from 0 perfect and 1 imperfect interpolant sequences. [2018-07-23 13:40:58,044 INFO L324 seRefinementStrategy]: Number of different interpolants: perfect sequences [] imperfect sequences [238] total 238 [2018-07-23 13:40:58,044 INFO L142 lantAutomatonBuilder]: Constructing canonical interpolant automaton, with selfloop in false state [2018-07-23 13:40:58,044 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2018-07-23 13:40:58,045 INFO L185 omatonBuilderFactory]: Interpolants [145034#(<= ULTIMATE.start_main_~i~4 0), 145035#(<= ULTIMATE.start_main_~i~4 2), 145032#true, 145033#false, 145038#(<= ULTIMATE.start_main_~i~4 8), 145039#(<= ULTIMATE.start_main_~i~4 10), 145036#(<= ULTIMATE.start_main_~i~4 4), 145037#(<= ULTIMATE.start_main_~i~4 6), 145042#(<= ULTIMATE.start_main_~i~4 16), 145043#(<= ULTIMATE.start_main_~i~4 18), 145040#(<= ULTIMATE.start_main_~i~4 12), 145041#(<= ULTIMATE.start_main_~i~4 14), 145046#(<= ULTIMATE.start_main_~i~4 24), 145047#(<= ULTIMATE.start_main_~i~4 26), 145044#(<= ULTIMATE.start_main_~i~4 20), 145045#(<= ULTIMATE.start_main_~i~4 22), 145050#(<= ULTIMATE.start_main_~i~4 32), 145051#(<= ULTIMATE.start_main_~i~4 34), 145048#(<= ULTIMATE.start_main_~i~4 28), 145049#(<= ULTIMATE.start_main_~i~4 30), 145054#(<= ULTIMATE.start_main_~i~4 40), 145055#(<= ULTIMATE.start_main_~i~4 42), 145052#(<= ULTIMATE.start_main_~i~4 36), 145053#(<= ULTIMATE.start_main_~i~4 38), 145058#(<= ULTIMATE.start_main_~i~4 48), 145059#(<= ULTIMATE.start_main_~i~4 50), 145056#(<= ULTIMATE.start_main_~i~4 44), 145057#(<= ULTIMATE.start_main_~i~4 46), 145062#(<= ULTIMATE.start_main_~i~4 56), 145063#(<= ULTIMATE.start_main_~i~4 58), 145060#(<= ULTIMATE.start_main_~i~4 52), 145061#(<= ULTIMATE.start_main_~i~4 54), 145066#(<= ULTIMATE.start_main_~i~4 64), 145067#(<= ULTIMATE.start_main_~i~4 66), 145064#(<= ULTIMATE.start_main_~i~4 60), 145065#(<= ULTIMATE.start_main_~i~4 62), 145070#(<= ULTIMATE.start_main_~i~4 72), 145071#(<= ULTIMATE.start_main_~i~4 74), 145068#(<= ULTIMATE.start_main_~i~4 68), 145069#(<= ULTIMATE.start_main_~i~4 70), 145074#(<= ULTIMATE.start_main_~i~4 80), 145075#(<= ULTIMATE.start_main_~i~4 82), 145072#(<= ULTIMATE.start_main_~i~4 76), 145073#(<= ULTIMATE.start_main_~i~4 78), 145078#(<= ULTIMATE.start_main_~i~4 88), 145079#(<= ULTIMATE.start_main_~i~4 90), 145076#(<= ULTIMATE.start_main_~i~4 84), 145077#(<= ULTIMATE.start_main_~i~4 86), 145082#(<= ULTIMATE.start_main_~i~4 96), 145083#(<= ULTIMATE.start_main_~i~4 98), 145080#(<= ULTIMATE.start_main_~i~4 92), 145081#(<= ULTIMATE.start_main_~i~4 94), 145086#(<= ULTIMATE.start_main_~i~4 104), 145087#(<= ULTIMATE.start_main_~i~4 106), 145084#(<= ULTIMATE.start_main_~i~4 100), 145085#(<= ULTIMATE.start_main_~i~4 102), 145090#(<= ULTIMATE.start_main_~i~4 112), 145091#(<= ULTIMATE.start_main_~i~4 114), 145088#(<= ULTIMATE.start_main_~i~4 108), 145089#(<= ULTIMATE.start_main_~i~4 110), 145094#(<= ULTIMATE.start_main_~i~4 120), 145095#(<= ULTIMATE.start_main_~i~4 122), 145092#(<= ULTIMATE.start_main_~i~4 116), 145093#(<= ULTIMATE.start_main_~i~4 118), 145098#(<= ULTIMATE.start_main_~i~4 128), 145099#(<= ULTIMATE.start_main_~i~4 130), 145096#(<= ULTIMATE.start_main_~i~4 124), 145097#(<= ULTIMATE.start_main_~i~4 126), 145102#(<= ULTIMATE.start_main_~i~4 136), 145103#(<= ULTIMATE.start_main_~i~4 138), 145100#(<= ULTIMATE.start_main_~i~4 132), 145101#(<= ULTIMATE.start_main_~i~4 134), 145106#(<= ULTIMATE.start_main_~i~4 144), 145107#(<= ULTIMATE.start_main_~i~4 146), 145104#(<= ULTIMATE.start_main_~i~4 140), 145105#(<= ULTIMATE.start_main_~i~4 142), 145110#(<= ULTIMATE.start_main_~i~4 152), 145111#(<= ULTIMATE.start_main_~i~4 154), 145108#(<= ULTIMATE.start_main_~i~4 148), 145109#(<= ULTIMATE.start_main_~i~4 150), 145114#(<= ULTIMATE.start_main_~i~4 160), 145115#(<= ULTIMATE.start_main_~i~4 162), 145112#(<= ULTIMATE.start_main_~i~4 156), 145113#(<= ULTIMATE.start_main_~i~4 158), 145118#(<= ULTIMATE.start_main_~i~4 168), 145119#(<= ULTIMATE.start_main_~i~4 170), 145116#(<= ULTIMATE.start_main_~i~4 164), 145117#(<= ULTIMATE.start_main_~i~4 166), 145122#(<= ULTIMATE.start_main_~i~4 176), 145123#(<= ULTIMATE.start_main_~i~4 178), 145120#(<= ULTIMATE.start_main_~i~4 172), 145121#(<= ULTIMATE.start_main_~i~4 174), 145126#(<= ULTIMATE.start_main_~i~4 184), 145127#(<= ULTIMATE.start_main_~i~4 186), 145124#(<= ULTIMATE.start_main_~i~4 180), 145125#(<= ULTIMATE.start_main_~i~4 182), 145130#(<= ULTIMATE.start_main_~i~4 192), 145131#(<= ULTIMATE.start_main_~i~4 194), 145128#(<= ULTIMATE.start_main_~i~4 188), 145129#(<= ULTIMATE.start_main_~i~4 190), 145134#(<= ULTIMATE.start_main_~i~4 200), 145135#(<= ULTIMATE.start_main_~i~4 202), 145132#(<= ULTIMATE.start_main_~i~4 196), 145133#(<= ULTIMATE.start_main_~i~4 198), 145138#(<= ULTIMATE.start_main_~i~4 208), 145139#(<= ULTIMATE.start_main_~i~4 210), 145136#(<= ULTIMATE.start_main_~i~4 204), 145137#(<= ULTIMATE.start_main_~i~4 206), 145142#(<= ULTIMATE.start_main_~i~4 216), 145143#(<= ULTIMATE.start_main_~i~4 218), 145140#(<= ULTIMATE.start_main_~i~4 212), 145141#(<= ULTIMATE.start_main_~i~4 214), 145146#(<= ULTIMATE.start_main_~i~4 224), 145147#(<= ULTIMATE.start_main_~i~4 226), 145144#(<= ULTIMATE.start_main_~i~4 220), 145145#(<= ULTIMATE.start_main_~i~4 222), 145150#(<= ULTIMATE.start_main_~i~4 232), 145151#(<= ULTIMATE.start_main_~i~4 234), 145148#(<= ULTIMATE.start_main_~i~4 228), 145149#(<= ULTIMATE.start_main_~i~4 230), 145154#(<= ULTIMATE.start_main_~i~4 240), 145155#(<= ULTIMATE.start_main_~i~4 242), 145152#(<= ULTIMATE.start_main_~i~4 236), 145153#(<= ULTIMATE.start_main_~i~4 238), 145158#(<= ULTIMATE.start_main_~i~4 248), 145159#(<= ULTIMATE.start_main_~i~4 250), 145156#(<= ULTIMATE.start_main_~i~4 244), 145157#(<= ULTIMATE.start_main_~i~4 246), 145162#(<= ULTIMATE.start_main_~i~4 256), 145163#(<= ULTIMATE.start_main_~i~4 258), 145160#(<= ULTIMATE.start_main_~i~4 252), 145161#(<= ULTIMATE.start_main_~i~4 254), 145166#(<= ULTIMATE.start_main_~i~4 264), 145167#(<= ULTIMATE.start_main_~i~4 266), 145164#(<= ULTIMATE.start_main_~i~4 260), 145165#(<= ULTIMATE.start_main_~i~4 262), 145170#(<= ULTIMATE.start_main_~i~4 272), 145171#(<= ULTIMATE.start_main_~i~4 274), 145168#(<= ULTIMATE.start_main_~i~4 268), 145169#(<= ULTIMATE.start_main_~i~4 270), 145174#(<= ULTIMATE.start_main_~i~4 280), 145175#(<= ULTIMATE.start_main_~i~4 282), 145172#(<= ULTIMATE.start_main_~i~4 276), 145173#(<= ULTIMATE.start_main_~i~4 278), 145178#(<= ULTIMATE.start_main_~i~4 288), 145179#(<= ULTIMATE.start_main_~i~4 290), 145176#(<= ULTIMATE.start_main_~i~4 284), 145177#(<= ULTIMATE.start_main_~i~4 286), 145182#(<= ULTIMATE.start_main_~i~4 296), 145183#(<= ULTIMATE.start_main_~i~4 298), 145180#(<= ULTIMATE.start_main_~i~4 292), 145181#(<= ULTIMATE.start_main_~i~4 294), 145186#(<= ULTIMATE.start_main_~i~4 304), 145187#(<= ULTIMATE.start_main_~i~4 306), 145184#(<= ULTIMATE.start_main_~i~4 300), 145185#(<= ULTIMATE.start_main_~i~4 302), 145190#(<= ULTIMATE.start_main_~i~4 312), 145191#(<= ULTIMATE.start_main_~i~4 314), 145188#(<= ULTIMATE.start_main_~i~4 308), 145189#(<= ULTIMATE.start_main_~i~4 310), 145194#(<= ULTIMATE.start_main_~i~4 320), 145195#(<= ULTIMATE.start_main_~i~4 322), 145192#(<= ULTIMATE.start_main_~i~4 316), 145193#(<= ULTIMATE.start_main_~i~4 318), 145198#(<= ULTIMATE.start_main_~i~4 328), 145199#(<= ULTIMATE.start_main_~i~4 330), 145196#(<= ULTIMATE.start_main_~i~4 324), 145197#(<= ULTIMATE.start_main_~i~4 326), 145202#(<= ULTIMATE.start_main_~i~4 336), 145203#(<= ULTIMATE.start_main_~i~4 338), 145200#(<= ULTIMATE.start_main_~i~4 332), 145201#(<= ULTIMATE.start_main_~i~4 334), 145206#(<= ULTIMATE.start_main_~i~4 344), 145207#(<= ULTIMATE.start_main_~i~4 346), 145204#(<= ULTIMATE.start_main_~i~4 340), 145205#(<= ULTIMATE.start_main_~i~4 342), 145210#(<= ULTIMATE.start_main_~i~4 352), 145211#(<= ULTIMATE.start_main_~i~4 354), 145208#(<= ULTIMATE.start_main_~i~4 348), 145209#(<= ULTIMATE.start_main_~i~4 350), 145214#(<= ULTIMATE.start_main_~i~4 360), 145215#(<= ULTIMATE.start_main_~i~4 362), 145212#(<= ULTIMATE.start_main_~i~4 356), 145213#(<= ULTIMATE.start_main_~i~4 358), 145218#(<= ULTIMATE.start_main_~i~4 368), 145219#(<= ULTIMATE.start_main_~i~4 370), 145216#(<= ULTIMATE.start_main_~i~4 364), 145217#(<= ULTIMATE.start_main_~i~4 366), 145222#(<= ULTIMATE.start_main_~i~4 376), 145223#(<= ULTIMATE.start_main_~i~4 378), 145220#(<= ULTIMATE.start_main_~i~4 372), 145221#(<= ULTIMATE.start_main_~i~4 374), 145226#(<= ULTIMATE.start_main_~i~4 384), 145227#(<= ULTIMATE.start_main_~i~4 386), 145224#(<= ULTIMATE.start_main_~i~4 380), 145225#(<= ULTIMATE.start_main_~i~4 382), 145230#(<= ULTIMATE.start_main_~i~4 392), 145231#(<= ULTIMATE.start_main_~i~4 394), 145228#(<= ULTIMATE.start_main_~i~4 388), 145229#(<= ULTIMATE.start_main_~i~4 390), 145234#(<= ULTIMATE.start_main_~i~4 400), 145235#(<= ULTIMATE.start_main_~i~4 402), 145232#(<= ULTIMATE.start_main_~i~4 396), 145233#(<= ULTIMATE.start_main_~i~4 398), 145238#(<= ULTIMATE.start_main_~i~4 408), 145239#(<= ULTIMATE.start_main_~i~4 410), 145236#(<= ULTIMATE.start_main_~i~4 404), 145237#(<= ULTIMATE.start_main_~i~4 406), 145242#(<= ULTIMATE.start_main_~i~4 416), 145243#(<= ULTIMATE.start_main_~i~4 418), 145240#(<= ULTIMATE.start_main_~i~4 412), 145241#(<= ULTIMATE.start_main_~i~4 414), 145246#(<= ULTIMATE.start_main_~i~4 424), 145247#(<= ULTIMATE.start_main_~i~4 426), 145244#(<= ULTIMATE.start_main_~i~4 420), 145245#(<= ULTIMATE.start_main_~i~4 422), 145250#(<= ULTIMATE.start_main_~i~4 432), 145251#(<= ULTIMATE.start_main_~i~4 434), 145248#(<= ULTIMATE.start_main_~i~4 428), 145249#(<= ULTIMATE.start_main_~i~4 430), 145254#(<= ULTIMATE.start_main_~i~4 440), 145255#(<= ULTIMATE.start_main_~i~4 442), 145252#(<= ULTIMATE.start_main_~i~4 436), 145253#(<= ULTIMATE.start_main_~i~4 438), 145258#(<= ULTIMATE.start_main_~i~4 448), 145259#(<= ULTIMATE.start_main_~i~4 450), 145256#(<= ULTIMATE.start_main_~i~4 444), 145257#(<= ULTIMATE.start_main_~i~4 446), 145262#(<= ULTIMATE.start_main_~i~4 456), 145263#(<= ULTIMATE.start_main_~i~4 458), 145260#(<= ULTIMATE.start_main_~i~4 452), 145261#(<= ULTIMATE.start_main_~i~4 454), 145266#(<= ULTIMATE.start_main_~i~4 464), 145267#(<= ULTIMATE.start_main_~i~4 466), 145264#(<= ULTIMATE.start_main_~i~4 460), 145265#(<= ULTIMATE.start_main_~i~4 462), 145270#(<= ULTIMATE.start_main_~i~4 472), 145268#(<= ULTIMATE.start_main_~i~4 468), 145269#(<= ULTIMATE.start_main_~i~4 470)] [2018-07-23 13:40:58,046 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 13:40:58,047 INFO L450 AbstractCegarLoop]: Interpolant automaton has 239 states [2018-07-23 13:40:58,050 INFO L132 InterpolantAutomaton]: Constructing interpolant automaton starting with 239 interpolants. [2018-07-23 13:40:58,051 INFO L133 InterpolantAutomaton]: CoverageRelationStatistics Valid=28441, Invalid=28441, Unknown=0, NotChecked=0, Total=56882 [2018-07-23 13:40:58,052 INFO L87 Difference]: Start difference. First operand 240 states and 240 transitions. Second operand 239 states. [2018-07-23 13:40:59,283 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2018-07-23 13:40:59,283 INFO L93 Difference]: Finished difference Result 243 states and 243 transitions. [2018-07-23 13:40:59,283 INFO L142 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 239 states. [2018-07-23 13:40:59,283 INFO L78 Accepts]: Start accepts. Automaton has 239 states. Word has length 239 [2018-07-23 13:40:59,283 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2018-07-23 13:40:59,284 INFO L225 Difference]: With dead ends: 243 [2018-07-23 13:40:59,284 INFO L226 Difference]: Without dead ends: 241 [2018-07-23 13:40:59,285 INFO L575 BasicCegarLoop]: 0 DeclaredPredicates, 238 GetRequests, 1 SyntacticMatches, 0 SemanticMatches, 237 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 0 ImplicationChecksByTransitivity, 1.3s TimeCoverageRelationStatistics Valid=28441, Invalid=28441, Unknown=0, NotChecked=0, Total=56882 [2018-07-23 13:40:59,285 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 241 states. [2018-07-23 13:40:59,287 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 241 to 241. [2018-07-23 13:40:59,287 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 241 states. [2018-07-23 13:40:59,287 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 241 states to 241 states and 241 transitions. [2018-07-23 13:40:59,287 INFO L78 Accepts]: Start accepts. Automaton has 241 states and 241 transitions. Word has length 239 [2018-07-23 13:40:59,288 INFO L84 Accepts]: Finished accepts. word is rejected. [2018-07-23 13:40:59,288 INFO L471 AbstractCegarLoop]: Abstraction has 241 states and 241 transitions. [2018-07-23 13:40:59,288 INFO L472 AbstractCegarLoop]: Interpolant automaton has 239 states. [2018-07-23 13:40:59,288 INFO L276 IsEmpty]: Start isEmpty. Operand 241 states and 241 transitions. [2018-07-23 13:40:59,288 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 241 [2018-07-23 13:40:59,288 INFO L349 BasicCegarLoop]: Found error trace [2018-07-23 13:40:59,288 INFO L357 BasicCegarLoop]: trace histogram [237, 1, 1, 1] [2018-07-23 13:40:59,289 INFO L414 AbstractCegarLoop]: === Iteration 238 === [ULTIMATE.startErr0AssertViolationASSERT]=== [2018-07-23 13:40:59,289 INFO L82 PathProgramCache]: Analyzing trace with hash 2142931944, now seen corresponding path program 237 times [2018-07-23 13:40:59,289 INFO L69 tionRefinementEngine]: Using refinement strategy FixedRefinementStrategy [2018-07-23 13:40:59,676 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-07-23 13:41:01,043 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 13:41:01,043 INFO L309 seRefinementStrategy]: Constructing automaton from 0 perfect and 1 imperfect interpolant sequences. [2018-07-23 13:41:01,043 INFO L324 seRefinementStrategy]: Number of different interpolants: perfect sequences [] imperfect sequences [239] total 239 [2018-07-23 13:41:01,043 INFO L142 lantAutomatonBuilder]: Constructing canonical interpolant automaton, with selfloop in false state [2018-07-23 13:41:01,044 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2018-07-23 13:41:01,044 INFO L185 omatonBuilderFactory]: Interpolants [146434#(<= ULTIMATE.start_main_~i~4 386), 146435#(<= ULTIMATE.start_main_~i~4 388), 146432#(<= ULTIMATE.start_main_~i~4 382), 146433#(<= ULTIMATE.start_main_~i~4 384), 146438#(<= ULTIMATE.start_main_~i~4 394), 146439#(<= ULTIMATE.start_main_~i~4 396), 146436#(<= ULTIMATE.start_main_~i~4 390), 146437#(<= ULTIMATE.start_main_~i~4 392), 146442#(<= ULTIMATE.start_main_~i~4 402), 146443#(<= ULTIMATE.start_main_~i~4 404), 146440#(<= ULTIMATE.start_main_~i~4 398), 146441#(<= ULTIMATE.start_main_~i~4 400), 146446#(<= ULTIMATE.start_main_~i~4 410), 146447#(<= ULTIMATE.start_main_~i~4 412), 146444#(<= ULTIMATE.start_main_~i~4 406), 146445#(<= ULTIMATE.start_main_~i~4 408), 146450#(<= ULTIMATE.start_main_~i~4 418), 146451#(<= ULTIMATE.start_main_~i~4 420), 146448#(<= ULTIMATE.start_main_~i~4 414), 146449#(<= ULTIMATE.start_main_~i~4 416), 146454#(<= ULTIMATE.start_main_~i~4 426), 146455#(<= ULTIMATE.start_main_~i~4 428), 146452#(<= ULTIMATE.start_main_~i~4 422), 146453#(<= ULTIMATE.start_main_~i~4 424), 146458#(<= ULTIMATE.start_main_~i~4 434), 146459#(<= ULTIMATE.start_main_~i~4 436), 146456#(<= ULTIMATE.start_main_~i~4 430), 146457#(<= ULTIMATE.start_main_~i~4 432), 146462#(<= ULTIMATE.start_main_~i~4 442), 146463#(<= ULTIMATE.start_main_~i~4 444), 146460#(<= ULTIMATE.start_main_~i~4 438), 146461#(<= ULTIMATE.start_main_~i~4 440), 146466#(<= ULTIMATE.start_main_~i~4 450), 146467#(<= ULTIMATE.start_main_~i~4 452), 146464#(<= ULTIMATE.start_main_~i~4 446), 146465#(<= ULTIMATE.start_main_~i~4 448), 146470#(<= ULTIMATE.start_main_~i~4 458), 146471#(<= ULTIMATE.start_main_~i~4 460), 146468#(<= ULTIMATE.start_main_~i~4 454), 146469#(<= ULTIMATE.start_main_~i~4 456), 146474#(<= ULTIMATE.start_main_~i~4 466), 146475#(<= ULTIMATE.start_main_~i~4 468), 146472#(<= ULTIMATE.start_main_~i~4 462), 146473#(<= ULTIMATE.start_main_~i~4 464), 146478#(<= ULTIMATE.start_main_~i~4 474), 146476#(<= ULTIMATE.start_main_~i~4 470), 146477#(<= ULTIMATE.start_main_~i~4 472), 146239#true, 146242#(<= ULTIMATE.start_main_~i~4 2), 146243#(<= ULTIMATE.start_main_~i~4 4), 146240#false, 146241#(<= ULTIMATE.start_main_~i~4 0), 146246#(<= ULTIMATE.start_main_~i~4 10), 146247#(<= ULTIMATE.start_main_~i~4 12), 146244#(<= ULTIMATE.start_main_~i~4 6), 146245#(<= ULTIMATE.start_main_~i~4 8), 146250#(<= ULTIMATE.start_main_~i~4 18), 146251#(<= ULTIMATE.start_main_~i~4 20), 146248#(<= ULTIMATE.start_main_~i~4 14), 146249#(<= ULTIMATE.start_main_~i~4 16), 146254#(<= ULTIMATE.start_main_~i~4 26), 146255#(<= ULTIMATE.start_main_~i~4 28), 146252#(<= ULTIMATE.start_main_~i~4 22), 146253#(<= ULTIMATE.start_main_~i~4 24), 146258#(<= ULTIMATE.start_main_~i~4 34), 146259#(<= ULTIMATE.start_main_~i~4 36), 146256#(<= ULTIMATE.start_main_~i~4 30), 146257#(<= ULTIMATE.start_main_~i~4 32), 146262#(<= ULTIMATE.start_main_~i~4 42), 146263#(<= ULTIMATE.start_main_~i~4 44), 146260#(<= ULTIMATE.start_main_~i~4 38), 146261#(<= ULTIMATE.start_main_~i~4 40), 146266#(<= ULTIMATE.start_main_~i~4 50), 146267#(<= ULTIMATE.start_main_~i~4 52), 146264#(<= ULTIMATE.start_main_~i~4 46), 146265#(<= ULTIMATE.start_main_~i~4 48), 146270#(<= ULTIMATE.start_main_~i~4 58), 146271#(<= ULTIMATE.start_main_~i~4 60), 146268#(<= ULTIMATE.start_main_~i~4 54), 146269#(<= ULTIMATE.start_main_~i~4 56), 146274#(<= ULTIMATE.start_main_~i~4 66), 146275#(<= ULTIMATE.start_main_~i~4 68), 146272#(<= ULTIMATE.start_main_~i~4 62), 146273#(<= ULTIMATE.start_main_~i~4 64), 146278#(<= ULTIMATE.start_main_~i~4 74), 146279#(<= ULTIMATE.start_main_~i~4 76), 146276#(<= ULTIMATE.start_main_~i~4 70), 146277#(<= ULTIMATE.start_main_~i~4 72), 146282#(<= ULTIMATE.start_main_~i~4 82), 146283#(<= ULTIMATE.start_main_~i~4 84), 146280#(<= ULTIMATE.start_main_~i~4 78), 146281#(<= ULTIMATE.start_main_~i~4 80), 146286#(<= ULTIMATE.start_main_~i~4 90), 146287#(<= ULTIMATE.start_main_~i~4 92), 146284#(<= ULTIMATE.start_main_~i~4 86), 146285#(<= ULTIMATE.start_main_~i~4 88), 146290#(<= ULTIMATE.start_main_~i~4 98), 146291#(<= ULTIMATE.start_main_~i~4 100), 146288#(<= ULTIMATE.start_main_~i~4 94), 146289#(<= ULTIMATE.start_main_~i~4 96), 146294#(<= ULTIMATE.start_main_~i~4 106), 146295#(<= ULTIMATE.start_main_~i~4 108), 146292#(<= ULTIMATE.start_main_~i~4 102), 146293#(<= ULTIMATE.start_main_~i~4 104), 146298#(<= ULTIMATE.start_main_~i~4 114), 146299#(<= ULTIMATE.start_main_~i~4 116), 146296#(<= ULTIMATE.start_main_~i~4 110), 146297#(<= ULTIMATE.start_main_~i~4 112), 146302#(<= ULTIMATE.start_main_~i~4 122), 146303#(<= ULTIMATE.start_main_~i~4 124), 146300#(<= ULTIMATE.start_main_~i~4 118), 146301#(<= ULTIMATE.start_main_~i~4 120), 146306#(<= ULTIMATE.start_main_~i~4 130), 146307#(<= ULTIMATE.start_main_~i~4 132), 146304#(<= ULTIMATE.start_main_~i~4 126), 146305#(<= ULTIMATE.start_main_~i~4 128), 146310#(<= ULTIMATE.start_main_~i~4 138), 146311#(<= ULTIMATE.start_main_~i~4 140), 146308#(<= ULTIMATE.start_main_~i~4 134), 146309#(<= ULTIMATE.start_main_~i~4 136), 146314#(<= ULTIMATE.start_main_~i~4 146), 146315#(<= ULTIMATE.start_main_~i~4 148), 146312#(<= ULTIMATE.start_main_~i~4 142), 146313#(<= ULTIMATE.start_main_~i~4 144), 146318#(<= ULTIMATE.start_main_~i~4 154), 146319#(<= ULTIMATE.start_main_~i~4 156), 146316#(<= ULTIMATE.start_main_~i~4 150), 146317#(<= ULTIMATE.start_main_~i~4 152), 146322#(<= ULTIMATE.start_main_~i~4 162), 146323#(<= ULTIMATE.start_main_~i~4 164), 146320#(<= ULTIMATE.start_main_~i~4 158), 146321#(<= ULTIMATE.start_main_~i~4 160), 146326#(<= ULTIMATE.start_main_~i~4 170), 146327#(<= ULTIMATE.start_main_~i~4 172), 146324#(<= ULTIMATE.start_main_~i~4 166), 146325#(<= ULTIMATE.start_main_~i~4 168), 146330#(<= ULTIMATE.start_main_~i~4 178), 146331#(<= ULTIMATE.start_main_~i~4 180), 146328#(<= ULTIMATE.start_main_~i~4 174), 146329#(<= ULTIMATE.start_main_~i~4 176), 146334#(<= ULTIMATE.start_main_~i~4 186), 146335#(<= ULTIMATE.start_main_~i~4 188), 146332#(<= ULTIMATE.start_main_~i~4 182), 146333#(<= ULTIMATE.start_main_~i~4 184), 146338#(<= ULTIMATE.start_main_~i~4 194), 146339#(<= ULTIMATE.start_main_~i~4 196), 146336#(<= ULTIMATE.start_main_~i~4 190), 146337#(<= ULTIMATE.start_main_~i~4 192), 146342#(<= ULTIMATE.start_main_~i~4 202), 146343#(<= ULTIMATE.start_main_~i~4 204), 146340#(<= ULTIMATE.start_main_~i~4 198), 146341#(<= ULTIMATE.start_main_~i~4 200), 146346#(<= ULTIMATE.start_main_~i~4 210), 146347#(<= ULTIMATE.start_main_~i~4 212), 146344#(<= ULTIMATE.start_main_~i~4 206), 146345#(<= ULTIMATE.start_main_~i~4 208), 146350#(<= ULTIMATE.start_main_~i~4 218), 146351#(<= ULTIMATE.start_main_~i~4 220), 146348#(<= ULTIMATE.start_main_~i~4 214), 146349#(<= ULTIMATE.start_main_~i~4 216), 146354#(<= ULTIMATE.start_main_~i~4 226), 146355#(<= ULTIMATE.start_main_~i~4 228), 146352#(<= ULTIMATE.start_main_~i~4 222), 146353#(<= ULTIMATE.start_main_~i~4 224), 146358#(<= ULTIMATE.start_main_~i~4 234), 146359#(<= ULTIMATE.start_main_~i~4 236), 146356#(<= ULTIMATE.start_main_~i~4 230), 146357#(<= ULTIMATE.start_main_~i~4 232), 146362#(<= ULTIMATE.start_main_~i~4 242), 146363#(<= ULTIMATE.start_main_~i~4 244), 146360#(<= ULTIMATE.start_main_~i~4 238), 146361#(<= ULTIMATE.start_main_~i~4 240), 146366#(<= ULTIMATE.start_main_~i~4 250), 146367#(<= ULTIMATE.start_main_~i~4 252), 146364#(<= ULTIMATE.start_main_~i~4 246), 146365#(<= ULTIMATE.start_main_~i~4 248), 146370#(<= ULTIMATE.start_main_~i~4 258), 146371#(<= ULTIMATE.start_main_~i~4 260), 146368#(<= ULTIMATE.start_main_~i~4 254), 146369#(<= ULTIMATE.start_main_~i~4 256), 146374#(<= ULTIMATE.start_main_~i~4 266), 146375#(<= ULTIMATE.start_main_~i~4 268), 146372#(<= ULTIMATE.start_main_~i~4 262), 146373#(<= ULTIMATE.start_main_~i~4 264), 146378#(<= ULTIMATE.start_main_~i~4 274), 146379#(<= ULTIMATE.start_main_~i~4 276), 146376#(<= ULTIMATE.start_main_~i~4 270), 146377#(<= ULTIMATE.start_main_~i~4 272), 146382#(<= ULTIMATE.start_main_~i~4 282), 146383#(<= ULTIMATE.start_main_~i~4 284), 146380#(<= ULTIMATE.start_main_~i~4 278), 146381#(<= ULTIMATE.start_main_~i~4 280), 146386#(<= ULTIMATE.start_main_~i~4 290), 146387#(<= ULTIMATE.start_main_~i~4 292), 146384#(<= ULTIMATE.start_main_~i~4 286), 146385#(<= ULTIMATE.start_main_~i~4 288), 146390#(<= ULTIMATE.start_main_~i~4 298), 146391#(<= ULTIMATE.start_main_~i~4 300), 146388#(<= ULTIMATE.start_main_~i~4 294), 146389#(<= ULTIMATE.start_main_~i~4 296), 146394#(<= ULTIMATE.start_main_~i~4 306), 146395#(<= ULTIMATE.start_main_~i~4 308), 146392#(<= ULTIMATE.start_main_~i~4 302), 146393#(<= ULTIMATE.start_main_~i~4 304), 146398#(<= ULTIMATE.start_main_~i~4 314), 146399#(<= ULTIMATE.start_main_~i~4 316), 146396#(<= ULTIMATE.start_main_~i~4 310), 146397#(<= ULTIMATE.start_main_~i~4 312), 146402#(<= ULTIMATE.start_main_~i~4 322), 146403#(<= ULTIMATE.start_main_~i~4 324), 146400#(<= ULTIMATE.start_main_~i~4 318), 146401#(<= ULTIMATE.start_main_~i~4 320), 146406#(<= ULTIMATE.start_main_~i~4 330), 146407#(<= ULTIMATE.start_main_~i~4 332), 146404#(<= ULTIMATE.start_main_~i~4 326), 146405#(<= ULTIMATE.start_main_~i~4 328), 146410#(<= ULTIMATE.start_main_~i~4 338), 146411#(<= ULTIMATE.start_main_~i~4 340), 146408#(<= ULTIMATE.start_main_~i~4 334), 146409#(<= ULTIMATE.start_main_~i~4 336), 146414#(<= ULTIMATE.start_main_~i~4 346), 146415#(<= ULTIMATE.start_main_~i~4 348), 146412#(<= ULTIMATE.start_main_~i~4 342), 146413#(<= ULTIMATE.start_main_~i~4 344), 146418#(<= ULTIMATE.start_main_~i~4 354), 146419#(<= ULTIMATE.start_main_~i~4 356), 146416#(<= ULTIMATE.start_main_~i~4 350), 146417#(<= ULTIMATE.start_main_~i~4 352), 146422#(<= ULTIMATE.start_main_~i~4 362), 146423#(<= ULTIMATE.start_main_~i~4 364), 146420#(<= ULTIMATE.start_main_~i~4 358), 146421#(<= ULTIMATE.start_main_~i~4 360), 146426#(<= ULTIMATE.start_main_~i~4 370), 146427#(<= ULTIMATE.start_main_~i~4 372), 146424#(<= ULTIMATE.start_main_~i~4 366), 146425#(<= ULTIMATE.start_main_~i~4 368), 146430#(<= ULTIMATE.start_main_~i~4 378), 146431#(<= ULTIMATE.start_main_~i~4 380), 146428#(<= ULTIMATE.start_main_~i~4 374), 146429#(<= ULTIMATE.start_main_~i~4 376)] [2018-07-23 13:41:01,045 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 13:41:01,046 INFO L450 AbstractCegarLoop]: Interpolant automaton has 240 states [2018-07-23 13:41:01,050 INFO L132 InterpolantAutomaton]: Constructing interpolant automaton starting with 240 interpolants. [2018-07-23 13:41:01,053 INFO L133 InterpolantAutomaton]: CoverageRelationStatistics Valid=28680, Invalid=28680, Unknown=0, NotChecked=0, Total=57360 [2018-07-23 13:41:01,053 INFO L87 Difference]: Start difference. First operand 241 states and 241 transitions. Second operand 240 states. [2018-07-23 13:41:02,080 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2018-07-23 13:41:02,080 INFO L93 Difference]: Finished difference Result 244 states and 244 transitions. [2018-07-23 13:41:02,080 INFO L142 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 240 states. [2018-07-23 13:41:02,080 INFO L78 Accepts]: Start accepts. Automaton has 240 states. Word has length 240 [2018-07-23 13:41:02,081 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2018-07-23 13:41:02,081 INFO L225 Difference]: With dead ends: 244 [2018-07-23 13:41:02,081 INFO L226 Difference]: Without dead ends: 242 [2018-07-23 13:41:02,084 INFO L575 BasicCegarLoop]: 0 DeclaredPredicates, 239 GetRequests, 1 SyntacticMatches, 0 SemanticMatches, 238 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 0 ImplicationChecksByTransitivity, 1.2s TimeCoverageRelationStatistics Valid=28680, Invalid=28680, Unknown=0, NotChecked=0, Total=57360 [2018-07-23 13:41:02,084 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 242 states. [2018-07-23 13:41:02,086 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 242 to 242. [2018-07-23 13:41:02,086 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 242 states. [2018-07-23 13:41:02,087 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 242 states to 242 states and 242 transitions. [2018-07-23 13:41:02,087 INFO L78 Accepts]: Start accepts. Automaton has 242 states and 242 transitions. Word has length 240 [2018-07-23 13:41:02,087 INFO L84 Accepts]: Finished accepts. word is rejected. [2018-07-23 13:41:02,087 INFO L471 AbstractCegarLoop]: Abstraction has 242 states and 242 transitions. [2018-07-23 13:41:02,087 INFO L472 AbstractCegarLoop]: Interpolant automaton has 240 states. [2018-07-23 13:41:02,087 INFO L276 IsEmpty]: Start isEmpty. Operand 242 states and 242 transitions. [2018-07-23 13:41:02,088 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 242 [2018-07-23 13:41:02,088 INFO L349 BasicCegarLoop]: Found error trace [2018-07-23 13:41:02,088 INFO L357 BasicCegarLoop]: trace histogram [238, 1, 1, 1] [2018-07-23 13:41:02,088 INFO L414 AbstractCegarLoop]: === Iteration 239 === [ULTIMATE.startErr0AssertViolationASSERT]=== [2018-07-23 13:41:02,088 INFO L82 PathProgramCache]: Analyzing trace with hash 2006378849, now seen corresponding path program 238 times [2018-07-23 13:41:02,088 INFO L69 tionRefinementEngine]: Using refinement strategy FixedRefinementStrategy [2018-07-23 13:41:02,501 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-07-23 13:41:03,887 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 13:41:03,887 INFO L309 seRefinementStrategy]: Constructing automaton from 0 perfect and 1 imperfect interpolant sequences. [2018-07-23 13:41:03,887 INFO L324 seRefinementStrategy]: Number of different interpolants: perfect sequences [] imperfect sequences [240] total 240 [2018-07-23 13:41:03,888 INFO L142 lantAutomatonBuilder]: Constructing canonical interpolant automaton, with selfloop in false state [2018-07-23 13:41:03,888 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 13:41:03,888 INFO L185 omatonBuilderFactory]: Interpolants [147458#(<= ULTIMATE.start_main_~i~4 10), 147459#(<= ULTIMATE.start_main_~i~4 12), 147456#(<= ULTIMATE.start_main_~i~4 6), 147457#(<= ULTIMATE.start_main_~i~4 8), 147462#(<= ULTIMATE.start_main_~i~4 18), 147463#(<= ULTIMATE.start_main_~i~4 20), 147460#(<= ULTIMATE.start_main_~i~4 14), 147461#(<= ULTIMATE.start_main_~i~4 16), 147466#(<= ULTIMATE.start_main_~i~4 26), 147467#(<= ULTIMATE.start_main_~i~4 28), 147464#(<= ULTIMATE.start_main_~i~4 22), 147465#(<= ULTIMATE.start_main_~i~4 24), 147470#(<= ULTIMATE.start_main_~i~4 34), 147471#(<= ULTIMATE.start_main_~i~4 36), 147468#(<= ULTIMATE.start_main_~i~4 30), 147469#(<= ULTIMATE.start_main_~i~4 32), 147474#(<= ULTIMATE.start_main_~i~4 42), 147475#(<= ULTIMATE.start_main_~i~4 44), 147472#(<= ULTIMATE.start_main_~i~4 38), 147473#(<= ULTIMATE.start_main_~i~4 40), 147478#(<= ULTIMATE.start_main_~i~4 50), 147479#(<= ULTIMATE.start_main_~i~4 52), 147476#(<= ULTIMATE.start_main_~i~4 46), 147477#(<= ULTIMATE.start_main_~i~4 48), 147482#(<= ULTIMATE.start_main_~i~4 58), 147483#(<= ULTIMATE.start_main_~i~4 60), 147480#(<= ULTIMATE.start_main_~i~4 54), 147481#(<= ULTIMATE.start_main_~i~4 56), 147486#(<= ULTIMATE.start_main_~i~4 66), 147487#(<= ULTIMATE.start_main_~i~4 68), 147484#(<= ULTIMATE.start_main_~i~4 62), 147485#(<= ULTIMATE.start_main_~i~4 64), 147490#(<= ULTIMATE.start_main_~i~4 74), 147491#(<= ULTIMATE.start_main_~i~4 76), 147488#(<= ULTIMATE.start_main_~i~4 70), 147489#(<= ULTIMATE.start_main_~i~4 72), 147494#(<= ULTIMATE.start_main_~i~4 82), 147495#(<= ULTIMATE.start_main_~i~4 84), 147492#(<= ULTIMATE.start_main_~i~4 78), 147493#(<= ULTIMATE.start_main_~i~4 80), 147498#(<= ULTIMATE.start_main_~i~4 90), 147499#(<= ULTIMATE.start_main_~i~4 92), 147496#(<= ULTIMATE.start_main_~i~4 86), 147497#(<= ULTIMATE.start_main_~i~4 88), 147502#(<= ULTIMATE.start_main_~i~4 98), 147503#(<= ULTIMATE.start_main_~i~4 100), 147500#(<= ULTIMATE.start_main_~i~4 94), 147501#(<= ULTIMATE.start_main_~i~4 96), 147506#(<= ULTIMATE.start_main_~i~4 106), 147507#(<= ULTIMATE.start_main_~i~4 108), 147504#(<= ULTIMATE.start_main_~i~4 102), 147505#(<= ULTIMATE.start_main_~i~4 104), 147510#(<= ULTIMATE.start_main_~i~4 114), 147511#(<= ULTIMATE.start_main_~i~4 116), 147508#(<= ULTIMATE.start_main_~i~4 110), 147509#(<= ULTIMATE.start_main_~i~4 112), 147514#(<= ULTIMATE.start_main_~i~4 122), 147515#(<= ULTIMATE.start_main_~i~4 124), 147512#(<= ULTIMATE.start_main_~i~4 118), 147513#(<= ULTIMATE.start_main_~i~4 120), 147518#(<= ULTIMATE.start_main_~i~4 130), 147519#(<= ULTIMATE.start_main_~i~4 132), 147516#(<= ULTIMATE.start_main_~i~4 126), 147517#(<= ULTIMATE.start_main_~i~4 128), 147522#(<= ULTIMATE.start_main_~i~4 138), 147523#(<= ULTIMATE.start_main_~i~4 140), 147520#(<= ULTIMATE.start_main_~i~4 134), 147521#(<= ULTIMATE.start_main_~i~4 136), 147526#(<= ULTIMATE.start_main_~i~4 146), 147527#(<= ULTIMATE.start_main_~i~4 148), 147524#(<= ULTIMATE.start_main_~i~4 142), 147525#(<= ULTIMATE.start_main_~i~4 144), 147530#(<= ULTIMATE.start_main_~i~4 154), 147531#(<= ULTIMATE.start_main_~i~4 156), 147528#(<= ULTIMATE.start_main_~i~4 150), 147529#(<= ULTIMATE.start_main_~i~4 152), 147534#(<= ULTIMATE.start_main_~i~4 162), 147535#(<= ULTIMATE.start_main_~i~4 164), 147532#(<= ULTIMATE.start_main_~i~4 158), 147533#(<= ULTIMATE.start_main_~i~4 160), 147538#(<= ULTIMATE.start_main_~i~4 170), 147539#(<= ULTIMATE.start_main_~i~4 172), 147536#(<= ULTIMATE.start_main_~i~4 166), 147537#(<= ULTIMATE.start_main_~i~4 168), 147542#(<= ULTIMATE.start_main_~i~4 178), 147543#(<= ULTIMATE.start_main_~i~4 180), 147540#(<= ULTIMATE.start_main_~i~4 174), 147541#(<= ULTIMATE.start_main_~i~4 176), 147546#(<= ULTIMATE.start_main_~i~4 186), 147547#(<= ULTIMATE.start_main_~i~4 188), 147544#(<= ULTIMATE.start_main_~i~4 182), 147545#(<= ULTIMATE.start_main_~i~4 184), 147550#(<= ULTIMATE.start_main_~i~4 194), 147551#(<= ULTIMATE.start_main_~i~4 196), 147548#(<= ULTIMATE.start_main_~i~4 190), 147549#(<= ULTIMATE.start_main_~i~4 192), 147554#(<= ULTIMATE.start_main_~i~4 202), 147555#(<= ULTIMATE.start_main_~i~4 204), 147552#(<= ULTIMATE.start_main_~i~4 198), 147553#(<= ULTIMATE.start_main_~i~4 200), 147558#(<= ULTIMATE.start_main_~i~4 210), 147559#(<= ULTIMATE.start_main_~i~4 212), 147556#(<= ULTIMATE.start_main_~i~4 206), 147557#(<= ULTIMATE.start_main_~i~4 208), 147562#(<= ULTIMATE.start_main_~i~4 218), 147563#(<= ULTIMATE.start_main_~i~4 220), 147560#(<= ULTIMATE.start_main_~i~4 214), 147561#(<= ULTIMATE.start_main_~i~4 216), 147566#(<= ULTIMATE.start_main_~i~4 226), 147567#(<= ULTIMATE.start_main_~i~4 228), 147564#(<= ULTIMATE.start_main_~i~4 222), 147565#(<= ULTIMATE.start_main_~i~4 224), 147570#(<= ULTIMATE.start_main_~i~4 234), 147571#(<= ULTIMATE.start_main_~i~4 236), 147568#(<= ULTIMATE.start_main_~i~4 230), 147569#(<= ULTIMATE.start_main_~i~4 232), 147574#(<= ULTIMATE.start_main_~i~4 242), 147575#(<= ULTIMATE.start_main_~i~4 244), 147572#(<= ULTIMATE.start_main_~i~4 238), 147573#(<= ULTIMATE.start_main_~i~4 240), 147578#(<= ULTIMATE.start_main_~i~4 250), 147579#(<= ULTIMATE.start_main_~i~4 252), 147576#(<= ULTIMATE.start_main_~i~4 246), 147577#(<= ULTIMATE.start_main_~i~4 248), 147582#(<= ULTIMATE.start_main_~i~4 258), 147583#(<= ULTIMATE.start_main_~i~4 260), 147580#(<= ULTIMATE.start_main_~i~4 254), 147581#(<= ULTIMATE.start_main_~i~4 256), 147586#(<= ULTIMATE.start_main_~i~4 266), 147587#(<= ULTIMATE.start_main_~i~4 268), 147584#(<= ULTIMATE.start_main_~i~4 262), 147585#(<= ULTIMATE.start_main_~i~4 264), 147590#(<= ULTIMATE.start_main_~i~4 274), 147591#(<= ULTIMATE.start_main_~i~4 276), 147588#(<= ULTIMATE.start_main_~i~4 270), 147589#(<= ULTIMATE.start_main_~i~4 272), 147594#(<= ULTIMATE.start_main_~i~4 282), 147595#(<= ULTIMATE.start_main_~i~4 284), 147592#(<= ULTIMATE.start_main_~i~4 278), 147593#(<= ULTIMATE.start_main_~i~4 280), 147598#(<= ULTIMATE.start_main_~i~4 290), 147599#(<= ULTIMATE.start_main_~i~4 292), 147596#(<= ULTIMATE.start_main_~i~4 286), 147597#(<= ULTIMATE.start_main_~i~4 288), 147602#(<= ULTIMATE.start_main_~i~4 298), 147603#(<= ULTIMATE.start_main_~i~4 300), 147600#(<= ULTIMATE.start_main_~i~4 294), 147601#(<= ULTIMATE.start_main_~i~4 296), 147606#(<= ULTIMATE.start_main_~i~4 306), 147607#(<= ULTIMATE.start_main_~i~4 308), 147604#(<= ULTIMATE.start_main_~i~4 302), 147605#(<= ULTIMATE.start_main_~i~4 304), 147610#(<= ULTIMATE.start_main_~i~4 314), 147611#(<= ULTIMATE.start_main_~i~4 316), 147608#(<= ULTIMATE.start_main_~i~4 310), 147609#(<= ULTIMATE.start_main_~i~4 312), 147614#(<= ULTIMATE.start_main_~i~4 322), 147615#(<= ULTIMATE.start_main_~i~4 324), 147612#(<= ULTIMATE.start_main_~i~4 318), 147613#(<= ULTIMATE.start_main_~i~4 320), 147618#(<= ULTIMATE.start_main_~i~4 330), 147619#(<= ULTIMATE.start_main_~i~4 332), 147616#(<= ULTIMATE.start_main_~i~4 326), 147617#(<= ULTIMATE.start_main_~i~4 328), 147622#(<= ULTIMATE.start_main_~i~4 338), 147623#(<= ULTIMATE.start_main_~i~4 340), 147620#(<= ULTIMATE.start_main_~i~4 334), 147621#(<= ULTIMATE.start_main_~i~4 336), 147626#(<= ULTIMATE.start_main_~i~4 346), 147627#(<= ULTIMATE.start_main_~i~4 348), 147624#(<= ULTIMATE.start_main_~i~4 342), 147625#(<= ULTIMATE.start_main_~i~4 344), 147630#(<= ULTIMATE.start_main_~i~4 354), 147631#(<= ULTIMATE.start_main_~i~4 356), 147628#(<= ULTIMATE.start_main_~i~4 350), 147629#(<= ULTIMATE.start_main_~i~4 352), 147634#(<= ULTIMATE.start_main_~i~4 362), 147635#(<= ULTIMATE.start_main_~i~4 364), 147632#(<= ULTIMATE.start_main_~i~4 358), 147633#(<= ULTIMATE.start_main_~i~4 360), 147638#(<= ULTIMATE.start_main_~i~4 370), 147639#(<= ULTIMATE.start_main_~i~4 372), 147636#(<= ULTIMATE.start_main_~i~4 366), 147637#(<= ULTIMATE.start_main_~i~4 368), 147642#(<= ULTIMATE.start_main_~i~4 378), 147643#(<= ULTIMATE.start_main_~i~4 380), 147640#(<= ULTIMATE.start_main_~i~4 374), 147641#(<= ULTIMATE.start_main_~i~4 376), 147646#(<= ULTIMATE.start_main_~i~4 386), 147647#(<= ULTIMATE.start_main_~i~4 388), 147644#(<= ULTIMATE.start_main_~i~4 382), 147645#(<= ULTIMATE.start_main_~i~4 384), 147650#(<= ULTIMATE.start_main_~i~4 394), 147651#(<= ULTIMATE.start_main_~i~4 396), 147648#(<= ULTIMATE.start_main_~i~4 390), 147649#(<= ULTIMATE.start_main_~i~4 392), 147654#(<= ULTIMATE.start_main_~i~4 402), 147655#(<= ULTIMATE.start_main_~i~4 404), 147652#(<= ULTIMATE.start_main_~i~4 398), 147653#(<= ULTIMATE.start_main_~i~4 400), 147658#(<= ULTIMATE.start_main_~i~4 410), 147659#(<= ULTIMATE.start_main_~i~4 412), 147656#(<= ULTIMATE.start_main_~i~4 406), 147657#(<= ULTIMATE.start_main_~i~4 408), 147662#(<= ULTIMATE.start_main_~i~4 418), 147663#(<= ULTIMATE.start_main_~i~4 420), 147660#(<= ULTIMATE.start_main_~i~4 414), 147661#(<= ULTIMATE.start_main_~i~4 416), 147666#(<= ULTIMATE.start_main_~i~4 426), 147667#(<= ULTIMATE.start_main_~i~4 428), 147664#(<= ULTIMATE.start_main_~i~4 422), 147665#(<= ULTIMATE.start_main_~i~4 424), 147670#(<= ULTIMATE.start_main_~i~4 434), 147671#(<= ULTIMATE.start_main_~i~4 436), 147668#(<= ULTIMATE.start_main_~i~4 430), 147669#(<= ULTIMATE.start_main_~i~4 432), 147674#(<= ULTIMATE.start_main_~i~4 442), 147675#(<= ULTIMATE.start_main_~i~4 444), 147672#(<= ULTIMATE.start_main_~i~4 438), 147673#(<= ULTIMATE.start_main_~i~4 440), 147678#(<= ULTIMATE.start_main_~i~4 450), 147679#(<= ULTIMATE.start_main_~i~4 452), 147676#(<= ULTIMATE.start_main_~i~4 446), 147677#(<= ULTIMATE.start_main_~i~4 448), 147682#(<= ULTIMATE.start_main_~i~4 458), 147683#(<= ULTIMATE.start_main_~i~4 460), 147680#(<= ULTIMATE.start_main_~i~4 454), 147681#(<= ULTIMATE.start_main_~i~4 456), 147686#(<= ULTIMATE.start_main_~i~4 466), 147687#(<= ULTIMATE.start_main_~i~4 468), 147684#(<= ULTIMATE.start_main_~i~4 462), 147685#(<= ULTIMATE.start_main_~i~4 464), 147690#(<= ULTIMATE.start_main_~i~4 474), 147691#(<= ULTIMATE.start_main_~i~4 476), 147688#(<= ULTIMATE.start_main_~i~4 470), 147689#(<= ULTIMATE.start_main_~i~4 472), 147451#true, 147454#(<= ULTIMATE.start_main_~i~4 2), 147455#(<= ULTIMATE.start_main_~i~4 4), 147452#false, 147453#(<= ULTIMATE.start_main_~i~4 0)] [2018-07-23 13:41:03,890 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 13:41:03,890 INFO L450 AbstractCegarLoop]: Interpolant automaton has 241 states [2018-07-23 13:41:03,894 INFO L132 InterpolantAutomaton]: Constructing interpolant automaton starting with 241 interpolants. [2018-07-23 13:41:03,896 INFO L133 InterpolantAutomaton]: CoverageRelationStatistics Valid=28920, Invalid=28920, Unknown=0, NotChecked=0, Total=57840 [2018-07-23 13:41:03,896 INFO L87 Difference]: Start difference. First operand 242 states and 242 transitions. Second operand 241 states. [2018-07-23 13:41:05,914 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2018-07-23 13:41:05,915 INFO L93 Difference]: Finished difference Result 245 states and 245 transitions. [2018-07-23 13:41:05,915 INFO L142 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 241 states. [2018-07-23 13:41:05,915 INFO L78 Accepts]: Start accepts. Automaton has 241 states. Word has length 241 [2018-07-23 13:41:05,915 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2018-07-23 13:41:05,915 INFO L225 Difference]: With dead ends: 245 [2018-07-23 13:41:05,915 INFO L226 Difference]: Without dead ends: 243 [2018-07-23 13:41:05,918 INFO L575 BasicCegarLoop]: 0 DeclaredPredicates, 240 GetRequests, 1 SyntacticMatches, 0 SemanticMatches, 239 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 0 ImplicationChecksByTransitivity, 1.2s TimeCoverageRelationStatistics Valid=28920, Invalid=28920, Unknown=0, NotChecked=0, Total=57840 [2018-07-23 13:41:05,918 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 243 states. [2018-07-23 13:41:05,920 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 243 to 243. [2018-07-23 13:41:05,920 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 243 states. [2018-07-23 13:41:05,920 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 243 states to 243 states and 243 transitions. [2018-07-23 13:41:05,920 INFO L78 Accepts]: Start accepts. Automaton has 243 states and 243 transitions. Word has length 241 [2018-07-23 13:41:05,921 INFO L84 Accepts]: Finished accepts. word is rejected. [2018-07-23 13:41:05,921 INFO L471 AbstractCegarLoop]: Abstraction has 243 states and 243 transitions. [2018-07-23 13:41:05,921 INFO L472 AbstractCegarLoop]: Interpolant automaton has 241 states. [2018-07-23 13:41:05,921 INFO L276 IsEmpty]: Start isEmpty. Operand 243 states and 243 transitions. [2018-07-23 13:41:05,921 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 243 [2018-07-23 13:41:05,921 INFO L349 BasicCegarLoop]: Found error trace [2018-07-23 13:41:05,922 INFO L357 BasicCegarLoop]: trace histogram [239, 1, 1, 1] [2018-07-23 13:41:05,922 INFO L414 AbstractCegarLoop]: === Iteration 240 === [ULTIMATE.startErr0AssertViolationASSERT]=== [2018-07-23 13:41:05,922 INFO L82 PathProgramCache]: Analyzing trace with hash 2068200200, now seen corresponding path program 239 times [2018-07-23 13:41:05,922 INFO L69 tionRefinementEngine]: Using refinement strategy FixedRefinementStrategy [2018-07-23 13:41:06,324 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-07-23 13:41:07,816 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 13:41:07,816 INFO L309 seRefinementStrategy]: Constructing automaton from 0 perfect and 1 imperfect interpolant sequences. [2018-07-23 13:41:07,816 INFO L324 seRefinementStrategy]: Number of different interpolants: perfect sequences [] imperfect sequences [241] total 241 [2018-07-23 13:41:07,816 INFO L142 lantAutomatonBuilder]: Constructing canonical interpolant automaton, with selfloop in false state [2018-07-23 13:41:07,817 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2018-07-23 13:41:07,817 INFO L185 omatonBuilderFactory]: Interpolants [148670#(<= ULTIMATE.start_main_~i~4 0), 148671#(<= ULTIMATE.start_main_~i~4 2), 148668#true, 148669#false, 148674#(<= ULTIMATE.start_main_~i~4 8), 148675#(<= ULTIMATE.start_main_~i~4 10), 148672#(<= ULTIMATE.start_main_~i~4 4), 148673#(<= ULTIMATE.start_main_~i~4 6), 148678#(<= ULTIMATE.start_main_~i~4 16), 148679#(<= ULTIMATE.start_main_~i~4 18), 148676#(<= ULTIMATE.start_main_~i~4 12), 148677#(<= ULTIMATE.start_main_~i~4 14), 148682#(<= ULTIMATE.start_main_~i~4 24), 148683#(<= ULTIMATE.start_main_~i~4 26), 148680#(<= ULTIMATE.start_main_~i~4 20), 148681#(<= ULTIMATE.start_main_~i~4 22), 148686#(<= ULTIMATE.start_main_~i~4 32), 148687#(<= ULTIMATE.start_main_~i~4 34), 148684#(<= ULTIMATE.start_main_~i~4 28), 148685#(<= ULTIMATE.start_main_~i~4 30), 148690#(<= ULTIMATE.start_main_~i~4 40), 148691#(<= ULTIMATE.start_main_~i~4 42), 148688#(<= ULTIMATE.start_main_~i~4 36), 148689#(<= ULTIMATE.start_main_~i~4 38), 148694#(<= ULTIMATE.start_main_~i~4 48), 148695#(<= ULTIMATE.start_main_~i~4 50), 148692#(<= ULTIMATE.start_main_~i~4 44), 148693#(<= ULTIMATE.start_main_~i~4 46), 148698#(<= ULTIMATE.start_main_~i~4 56), 148699#(<= ULTIMATE.start_main_~i~4 58), 148696#(<= ULTIMATE.start_main_~i~4 52), 148697#(<= ULTIMATE.start_main_~i~4 54), 148702#(<= ULTIMATE.start_main_~i~4 64), 148703#(<= ULTIMATE.start_main_~i~4 66), 148700#(<= ULTIMATE.start_main_~i~4 60), 148701#(<= ULTIMATE.start_main_~i~4 62), 148706#(<= ULTIMATE.start_main_~i~4 72), 148707#(<= ULTIMATE.start_main_~i~4 74), 148704#(<= ULTIMATE.start_main_~i~4 68), 148705#(<= ULTIMATE.start_main_~i~4 70), 148710#(<= ULTIMATE.start_main_~i~4 80), 148711#(<= ULTIMATE.start_main_~i~4 82), 148708#(<= ULTIMATE.start_main_~i~4 76), 148709#(<= ULTIMATE.start_main_~i~4 78), 148714#(<= ULTIMATE.start_main_~i~4 88), 148715#(<= ULTIMATE.start_main_~i~4 90), 148712#(<= ULTIMATE.start_main_~i~4 84), 148713#(<= ULTIMATE.start_main_~i~4 86), 148718#(<= ULTIMATE.start_main_~i~4 96), 148719#(<= ULTIMATE.start_main_~i~4 98), 148716#(<= ULTIMATE.start_main_~i~4 92), 148717#(<= ULTIMATE.start_main_~i~4 94), 148722#(<= ULTIMATE.start_main_~i~4 104), 148723#(<= ULTIMATE.start_main_~i~4 106), 148720#(<= ULTIMATE.start_main_~i~4 100), 148721#(<= ULTIMATE.start_main_~i~4 102), 148726#(<= ULTIMATE.start_main_~i~4 112), 148727#(<= ULTIMATE.start_main_~i~4 114), 148724#(<= ULTIMATE.start_main_~i~4 108), 148725#(<= ULTIMATE.start_main_~i~4 110), 148730#(<= ULTIMATE.start_main_~i~4 120), 148731#(<= ULTIMATE.start_main_~i~4 122), 148728#(<= ULTIMATE.start_main_~i~4 116), 148729#(<= ULTIMATE.start_main_~i~4 118), 148734#(<= ULTIMATE.start_main_~i~4 128), 148735#(<= ULTIMATE.start_main_~i~4 130), 148732#(<= ULTIMATE.start_main_~i~4 124), 148733#(<= ULTIMATE.start_main_~i~4 126), 148738#(<= ULTIMATE.start_main_~i~4 136), 148739#(<= ULTIMATE.start_main_~i~4 138), 148736#(<= ULTIMATE.start_main_~i~4 132), 148737#(<= ULTIMATE.start_main_~i~4 134), 148742#(<= ULTIMATE.start_main_~i~4 144), 148743#(<= ULTIMATE.start_main_~i~4 146), 148740#(<= ULTIMATE.start_main_~i~4 140), 148741#(<= ULTIMATE.start_main_~i~4 142), 148746#(<= ULTIMATE.start_main_~i~4 152), 148747#(<= ULTIMATE.start_main_~i~4 154), 148744#(<= ULTIMATE.start_main_~i~4 148), 148745#(<= ULTIMATE.start_main_~i~4 150), 148750#(<= ULTIMATE.start_main_~i~4 160), 148751#(<= ULTIMATE.start_main_~i~4 162), 148748#(<= ULTIMATE.start_main_~i~4 156), 148749#(<= ULTIMATE.start_main_~i~4 158), 148754#(<= ULTIMATE.start_main_~i~4 168), 148755#(<= ULTIMATE.start_main_~i~4 170), 148752#(<= ULTIMATE.start_main_~i~4 164), 148753#(<= ULTIMATE.start_main_~i~4 166), 148758#(<= ULTIMATE.start_main_~i~4 176), 148759#(<= ULTIMATE.start_main_~i~4 178), 148756#(<= ULTIMATE.start_main_~i~4 172), 148757#(<= ULTIMATE.start_main_~i~4 174), 148762#(<= ULTIMATE.start_main_~i~4 184), 148763#(<= ULTIMATE.start_main_~i~4 186), 148760#(<= ULTIMATE.start_main_~i~4 180), 148761#(<= ULTIMATE.start_main_~i~4 182), 148766#(<= ULTIMATE.start_main_~i~4 192), 148767#(<= ULTIMATE.start_main_~i~4 194), 148764#(<= ULTIMATE.start_main_~i~4 188), 148765#(<= ULTIMATE.start_main_~i~4 190), 148770#(<= ULTIMATE.start_main_~i~4 200), 148771#(<= ULTIMATE.start_main_~i~4 202), 148768#(<= ULTIMATE.start_main_~i~4 196), 148769#(<= ULTIMATE.start_main_~i~4 198), 148774#(<= ULTIMATE.start_main_~i~4 208), 148775#(<= ULTIMATE.start_main_~i~4 210), 148772#(<= ULTIMATE.start_main_~i~4 204), 148773#(<= ULTIMATE.start_main_~i~4 206), 148778#(<= ULTIMATE.start_main_~i~4 216), 148779#(<= ULTIMATE.start_main_~i~4 218), 148776#(<= ULTIMATE.start_main_~i~4 212), 148777#(<= ULTIMATE.start_main_~i~4 214), 148782#(<= ULTIMATE.start_main_~i~4 224), 148783#(<= ULTIMATE.start_main_~i~4 226), 148780#(<= ULTIMATE.start_main_~i~4 220), 148781#(<= ULTIMATE.start_main_~i~4 222), 148786#(<= ULTIMATE.start_main_~i~4 232), 148787#(<= ULTIMATE.start_main_~i~4 234), 148784#(<= ULTIMATE.start_main_~i~4 228), 148785#(<= ULTIMATE.start_main_~i~4 230), 148790#(<= ULTIMATE.start_main_~i~4 240), 148791#(<= ULTIMATE.start_main_~i~4 242), 148788#(<= ULTIMATE.start_main_~i~4 236), 148789#(<= ULTIMATE.start_main_~i~4 238), 148794#(<= ULTIMATE.start_main_~i~4 248), 148795#(<= ULTIMATE.start_main_~i~4 250), 148792#(<= ULTIMATE.start_main_~i~4 244), 148793#(<= ULTIMATE.start_main_~i~4 246), 148798#(<= ULTIMATE.start_main_~i~4 256), 148799#(<= ULTIMATE.start_main_~i~4 258), 148796#(<= ULTIMATE.start_main_~i~4 252), 148797#(<= ULTIMATE.start_main_~i~4 254), 148802#(<= ULTIMATE.start_main_~i~4 264), 148803#(<= ULTIMATE.start_main_~i~4 266), 148800#(<= ULTIMATE.start_main_~i~4 260), 148801#(<= ULTIMATE.start_main_~i~4 262), 148806#(<= ULTIMATE.start_main_~i~4 272), 148807#(<= ULTIMATE.start_main_~i~4 274), 148804#(<= ULTIMATE.start_main_~i~4 268), 148805#(<= ULTIMATE.start_main_~i~4 270), 148810#(<= ULTIMATE.start_main_~i~4 280), 148811#(<= ULTIMATE.start_main_~i~4 282), 148808#(<= ULTIMATE.start_main_~i~4 276), 148809#(<= ULTIMATE.start_main_~i~4 278), 148814#(<= ULTIMATE.start_main_~i~4 288), 148815#(<= ULTIMATE.start_main_~i~4 290), 148812#(<= ULTIMATE.start_main_~i~4 284), 148813#(<= ULTIMATE.start_main_~i~4 286), 148818#(<= ULTIMATE.start_main_~i~4 296), 148819#(<= ULTIMATE.start_main_~i~4 298), 148816#(<= ULTIMATE.start_main_~i~4 292), 148817#(<= ULTIMATE.start_main_~i~4 294), 148822#(<= ULTIMATE.start_main_~i~4 304), 148823#(<= ULTIMATE.start_main_~i~4 306), 148820#(<= ULTIMATE.start_main_~i~4 300), 148821#(<= ULTIMATE.start_main_~i~4 302), 148826#(<= ULTIMATE.start_main_~i~4 312), 148827#(<= ULTIMATE.start_main_~i~4 314), 148824#(<= ULTIMATE.start_main_~i~4 308), 148825#(<= ULTIMATE.start_main_~i~4 310), 148830#(<= ULTIMATE.start_main_~i~4 320), 148831#(<= ULTIMATE.start_main_~i~4 322), 148828#(<= ULTIMATE.start_main_~i~4 316), 148829#(<= ULTIMATE.start_main_~i~4 318), 148834#(<= ULTIMATE.start_main_~i~4 328), 148835#(<= ULTIMATE.start_main_~i~4 330), 148832#(<= ULTIMATE.start_main_~i~4 324), 148833#(<= ULTIMATE.start_main_~i~4 326), 148838#(<= ULTIMATE.start_main_~i~4 336), 148839#(<= ULTIMATE.start_main_~i~4 338), 148836#(<= ULTIMATE.start_main_~i~4 332), 148837#(<= ULTIMATE.start_main_~i~4 334), 148842#(<= ULTIMATE.start_main_~i~4 344), 148843#(<= ULTIMATE.start_main_~i~4 346), 148840#(<= ULTIMATE.start_main_~i~4 340), 148841#(<= ULTIMATE.start_main_~i~4 342), 148846#(<= ULTIMATE.start_main_~i~4 352), 148847#(<= ULTIMATE.start_main_~i~4 354), 148844#(<= ULTIMATE.start_main_~i~4 348), 148845#(<= ULTIMATE.start_main_~i~4 350), 148850#(<= ULTIMATE.start_main_~i~4 360), 148851#(<= ULTIMATE.start_main_~i~4 362), 148848#(<= ULTIMATE.start_main_~i~4 356), 148849#(<= ULTIMATE.start_main_~i~4 358), 148854#(<= ULTIMATE.start_main_~i~4 368), 148855#(<= ULTIMATE.start_main_~i~4 370), 148852#(<= ULTIMATE.start_main_~i~4 364), 148853#(<= ULTIMATE.start_main_~i~4 366), 148858#(<= ULTIMATE.start_main_~i~4 376), 148859#(<= ULTIMATE.start_main_~i~4 378), 148856#(<= ULTIMATE.start_main_~i~4 372), 148857#(<= ULTIMATE.start_main_~i~4 374), 148862#(<= ULTIMATE.start_main_~i~4 384), 148863#(<= ULTIMATE.start_main_~i~4 386), 148860#(<= ULTIMATE.start_main_~i~4 380), 148861#(<= ULTIMATE.start_main_~i~4 382), 148866#(<= ULTIMATE.start_main_~i~4 392), 148867#(<= ULTIMATE.start_main_~i~4 394), 148864#(<= ULTIMATE.start_main_~i~4 388), 148865#(<= ULTIMATE.start_main_~i~4 390), 148870#(<= ULTIMATE.start_main_~i~4 400), 148871#(<= ULTIMATE.start_main_~i~4 402), 148868#(<= ULTIMATE.start_main_~i~4 396), 148869#(<= ULTIMATE.start_main_~i~4 398), 148874#(<= ULTIMATE.start_main_~i~4 408), 148875#(<= ULTIMATE.start_main_~i~4 410), 148872#(<= ULTIMATE.start_main_~i~4 404), 148873#(<= ULTIMATE.start_main_~i~4 406), 148878#(<= ULTIMATE.start_main_~i~4 416), 148879#(<= ULTIMATE.start_main_~i~4 418), 148876#(<= ULTIMATE.start_main_~i~4 412), 148877#(<= ULTIMATE.start_main_~i~4 414), 148882#(<= ULTIMATE.start_main_~i~4 424), 148883#(<= ULTIMATE.start_main_~i~4 426), 148880#(<= ULTIMATE.start_main_~i~4 420), 148881#(<= ULTIMATE.start_main_~i~4 422), 148886#(<= ULTIMATE.start_main_~i~4 432), 148887#(<= ULTIMATE.start_main_~i~4 434), 148884#(<= ULTIMATE.start_main_~i~4 428), 148885#(<= ULTIMATE.start_main_~i~4 430), 148890#(<= ULTIMATE.start_main_~i~4 440), 148891#(<= ULTIMATE.start_main_~i~4 442), 148888#(<= ULTIMATE.start_main_~i~4 436), 148889#(<= ULTIMATE.start_main_~i~4 438), 148894#(<= ULTIMATE.start_main_~i~4 448), 148895#(<= ULTIMATE.start_main_~i~4 450), 148892#(<= ULTIMATE.start_main_~i~4 444), 148893#(<= ULTIMATE.start_main_~i~4 446), 148898#(<= ULTIMATE.start_main_~i~4 456), 148899#(<= ULTIMATE.start_main_~i~4 458), 148896#(<= ULTIMATE.start_main_~i~4 452), 148897#(<= ULTIMATE.start_main_~i~4 454), 148902#(<= ULTIMATE.start_main_~i~4 464), 148903#(<= ULTIMATE.start_main_~i~4 466), 148900#(<= ULTIMATE.start_main_~i~4 460), 148901#(<= ULTIMATE.start_main_~i~4 462), 148906#(<= ULTIMATE.start_main_~i~4 472), 148907#(<= ULTIMATE.start_main_~i~4 474), 148904#(<= ULTIMATE.start_main_~i~4 468), 148905#(<= ULTIMATE.start_main_~i~4 470), 148908#(<= ULTIMATE.start_main_~i~4 476), 148909#(<= ULTIMATE.start_main_~i~4 478)] [2018-07-23 13:41:07,818 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 13:41:07,818 INFO L450 AbstractCegarLoop]: Interpolant automaton has 242 states [2018-07-23 13:41:07,820 INFO L132 InterpolantAutomaton]: Constructing interpolant automaton starting with 242 interpolants. [2018-07-23 13:41:07,821 INFO L133 InterpolantAutomaton]: CoverageRelationStatistics Valid=29161, Invalid=29161, Unknown=0, NotChecked=0, Total=58322 [2018-07-23 13:41:07,821 INFO L87 Difference]: Start difference. First operand 243 states and 243 transitions. Second operand 242 states. [2018-07-23 13:41:09,261 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2018-07-23 13:41:09,262 INFO L93 Difference]: Finished difference Result 246 states and 246 transitions. [2018-07-23 13:41:09,262 INFO L142 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 242 states. [2018-07-23 13:41:09,262 INFO L78 Accepts]: Start accepts. Automaton has 242 states. Word has length 242 [2018-07-23 13:41:09,262 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2018-07-23 13:41:09,262 INFO L225 Difference]: With dead ends: 246 [2018-07-23 13:41:09,263 INFO L226 Difference]: Without dead ends: 244 [2018-07-23 13:41:09,264 INFO L575 BasicCegarLoop]: 0 DeclaredPredicates, 241 GetRequests, 1 SyntacticMatches, 0 SemanticMatches, 240 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 0 ImplicationChecksByTransitivity, 1.3s TimeCoverageRelationStatistics Valid=29161, Invalid=29161, Unknown=0, NotChecked=0, Total=58322 [2018-07-23 13:41:09,264 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 244 states. [2018-07-23 13:41:09,266 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 244 to 244. [2018-07-23 13:41:09,266 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 244 states. [2018-07-23 13:41:09,266 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 244 states to 244 states and 244 transitions. [2018-07-23 13:41:09,266 INFO L78 Accepts]: Start accepts. Automaton has 244 states and 244 transitions. Word has length 242 [2018-07-23 13:41:09,266 INFO L84 Accepts]: Finished accepts. word is rejected. [2018-07-23 13:41:09,266 INFO L471 AbstractCegarLoop]: Abstraction has 244 states and 244 transitions. [2018-07-23 13:41:09,266 INFO L472 AbstractCegarLoop]: Interpolant automaton has 242 states. [2018-07-23 13:41:09,267 INFO L276 IsEmpty]: Start isEmpty. Operand 244 states and 244 transitions. [2018-07-23 13:41:09,267 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 244 [2018-07-23 13:41:09,267 INFO L349 BasicCegarLoop]: Found error trace [2018-07-23 13:41:09,267 INFO L357 BasicCegarLoop]: trace histogram [240, 1, 1, 1] [2018-07-23 13:41:09,267 INFO L414 AbstractCegarLoop]: === Iteration 241 === [ULTIMATE.startErr0AssertViolationASSERT]=== [2018-07-23 13:41:09,267 INFO L82 PathProgramCache]: Analyzing trace with hash -310305215, now seen corresponding path program 240 times [2018-07-23 13:41:09,268 INFO L69 tionRefinementEngine]: Using refinement strategy FixedRefinementStrategy [2018-07-23 13:41:09,665 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-07-23 13:41:11,074 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 13:41:11,074 INFO L309 seRefinementStrategy]: Constructing automaton from 0 perfect and 1 imperfect interpolant sequences. [2018-07-23 13:41:11,075 INFO L324 seRefinementStrategy]: Number of different interpolants: perfect sequences [] imperfect sequences [242] total 242 [2018-07-23 13:41:11,075 INFO L142 lantAutomatonBuilder]: Constructing canonical interpolant automaton, with selfloop in false state [2018-07-23 13:41:11,075 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2018-07-23 13:41:11,075 INFO L185 omatonBuilderFactory]: Interpolants [150018#(<= ULTIMATE.start_main_~i~4 252), 150019#(<= ULTIMATE.start_main_~i~4 254), 150016#(<= ULTIMATE.start_main_~i~4 248), 150017#(<= ULTIMATE.start_main_~i~4 250), 150022#(<= ULTIMATE.start_main_~i~4 260), 150023#(<= ULTIMATE.start_main_~i~4 262), 150020#(<= ULTIMATE.start_main_~i~4 256), 150021#(<= ULTIMATE.start_main_~i~4 258), 150026#(<= ULTIMATE.start_main_~i~4 268), 150027#(<= ULTIMATE.start_main_~i~4 270), 150024#(<= ULTIMATE.start_main_~i~4 264), 150025#(<= ULTIMATE.start_main_~i~4 266), 150030#(<= ULTIMATE.start_main_~i~4 276), 150031#(<= ULTIMATE.start_main_~i~4 278), 150028#(<= ULTIMATE.start_main_~i~4 272), 150029#(<= ULTIMATE.start_main_~i~4 274), 150034#(<= ULTIMATE.start_main_~i~4 284), 150035#(<= ULTIMATE.start_main_~i~4 286), 150032#(<= ULTIMATE.start_main_~i~4 280), 150033#(<= ULTIMATE.start_main_~i~4 282), 150038#(<= ULTIMATE.start_main_~i~4 292), 150039#(<= ULTIMATE.start_main_~i~4 294), 150036#(<= ULTIMATE.start_main_~i~4 288), 150037#(<= ULTIMATE.start_main_~i~4 290), 150042#(<= ULTIMATE.start_main_~i~4 300), 150043#(<= ULTIMATE.start_main_~i~4 302), 150040#(<= ULTIMATE.start_main_~i~4 296), 150041#(<= ULTIMATE.start_main_~i~4 298), 150046#(<= ULTIMATE.start_main_~i~4 308), 150047#(<= ULTIMATE.start_main_~i~4 310), 150044#(<= ULTIMATE.start_main_~i~4 304), 150045#(<= ULTIMATE.start_main_~i~4 306), 150050#(<= ULTIMATE.start_main_~i~4 316), 150051#(<= ULTIMATE.start_main_~i~4 318), 150048#(<= ULTIMATE.start_main_~i~4 312), 150049#(<= ULTIMATE.start_main_~i~4 314), 150054#(<= ULTIMATE.start_main_~i~4 324), 150055#(<= ULTIMATE.start_main_~i~4 326), 150052#(<= ULTIMATE.start_main_~i~4 320), 150053#(<= ULTIMATE.start_main_~i~4 322), 150058#(<= ULTIMATE.start_main_~i~4 332), 150059#(<= ULTIMATE.start_main_~i~4 334), 150056#(<= ULTIMATE.start_main_~i~4 328), 150057#(<= ULTIMATE.start_main_~i~4 330), 150062#(<= ULTIMATE.start_main_~i~4 340), 150063#(<= ULTIMATE.start_main_~i~4 342), 150060#(<= ULTIMATE.start_main_~i~4 336), 150061#(<= ULTIMATE.start_main_~i~4 338), 150066#(<= ULTIMATE.start_main_~i~4 348), 150067#(<= ULTIMATE.start_main_~i~4 350), 150064#(<= ULTIMATE.start_main_~i~4 344), 150065#(<= ULTIMATE.start_main_~i~4 346), 150070#(<= ULTIMATE.start_main_~i~4 356), 150071#(<= ULTIMATE.start_main_~i~4 358), 150068#(<= ULTIMATE.start_main_~i~4 352), 150069#(<= ULTIMATE.start_main_~i~4 354), 150074#(<= ULTIMATE.start_main_~i~4 364), 150075#(<= ULTIMATE.start_main_~i~4 366), 150072#(<= ULTIMATE.start_main_~i~4 360), 150073#(<= ULTIMATE.start_main_~i~4 362), 150078#(<= ULTIMATE.start_main_~i~4 372), 150079#(<= ULTIMATE.start_main_~i~4 374), 150076#(<= ULTIMATE.start_main_~i~4 368), 150077#(<= ULTIMATE.start_main_~i~4 370), 150082#(<= ULTIMATE.start_main_~i~4 380), 150083#(<= ULTIMATE.start_main_~i~4 382), 150080#(<= ULTIMATE.start_main_~i~4 376), 150081#(<= ULTIMATE.start_main_~i~4 378), 150086#(<= ULTIMATE.start_main_~i~4 388), 150087#(<= ULTIMATE.start_main_~i~4 390), 150084#(<= ULTIMATE.start_main_~i~4 384), 150085#(<= ULTIMATE.start_main_~i~4 386), 150090#(<= ULTIMATE.start_main_~i~4 396), 150091#(<= ULTIMATE.start_main_~i~4 398), 150088#(<= ULTIMATE.start_main_~i~4 392), 150089#(<= ULTIMATE.start_main_~i~4 394), 150094#(<= ULTIMATE.start_main_~i~4 404), 150095#(<= ULTIMATE.start_main_~i~4 406), 150092#(<= ULTIMATE.start_main_~i~4 400), 150093#(<= ULTIMATE.start_main_~i~4 402), 150098#(<= ULTIMATE.start_main_~i~4 412), 150099#(<= ULTIMATE.start_main_~i~4 414), 150096#(<= ULTIMATE.start_main_~i~4 408), 150097#(<= ULTIMATE.start_main_~i~4 410), 150102#(<= ULTIMATE.start_main_~i~4 420), 150103#(<= ULTIMATE.start_main_~i~4 422), 150100#(<= ULTIMATE.start_main_~i~4 416), 150101#(<= ULTIMATE.start_main_~i~4 418), 150106#(<= ULTIMATE.start_main_~i~4 428), 150107#(<= ULTIMATE.start_main_~i~4 430), 150104#(<= ULTIMATE.start_main_~i~4 424), 150105#(<= ULTIMATE.start_main_~i~4 426), 150110#(<= ULTIMATE.start_main_~i~4 436), 150111#(<= ULTIMATE.start_main_~i~4 438), 150108#(<= ULTIMATE.start_main_~i~4 432), 150109#(<= ULTIMATE.start_main_~i~4 434), 150114#(<= ULTIMATE.start_main_~i~4 444), 150115#(<= ULTIMATE.start_main_~i~4 446), 150112#(<= ULTIMATE.start_main_~i~4 440), 150113#(<= ULTIMATE.start_main_~i~4 442), 150118#(<= ULTIMATE.start_main_~i~4 452), 150119#(<= ULTIMATE.start_main_~i~4 454), 150116#(<= ULTIMATE.start_main_~i~4 448), 150117#(<= ULTIMATE.start_main_~i~4 450), 150122#(<= ULTIMATE.start_main_~i~4 460), 150123#(<= ULTIMATE.start_main_~i~4 462), 150120#(<= ULTIMATE.start_main_~i~4 456), 150121#(<= ULTIMATE.start_main_~i~4 458), 150126#(<= ULTIMATE.start_main_~i~4 468), 150127#(<= ULTIMATE.start_main_~i~4 470), 150124#(<= ULTIMATE.start_main_~i~4 464), 150125#(<= ULTIMATE.start_main_~i~4 466), 150130#(<= ULTIMATE.start_main_~i~4 476), 150131#(<= ULTIMATE.start_main_~i~4 478), 150128#(<= ULTIMATE.start_main_~i~4 472), 150129#(<= ULTIMATE.start_main_~i~4 474), 150132#(<= ULTIMATE.start_main_~i~4 480), 149890#true, 149891#false, 149894#(<= ULTIMATE.start_main_~i~4 4), 149895#(<= ULTIMATE.start_main_~i~4 6), 149892#(<= ULTIMATE.start_main_~i~4 0), 149893#(<= ULTIMATE.start_main_~i~4 2), 149898#(<= ULTIMATE.start_main_~i~4 12), 149899#(<= ULTIMATE.start_main_~i~4 14), 149896#(<= ULTIMATE.start_main_~i~4 8), 149897#(<= ULTIMATE.start_main_~i~4 10), 149902#(<= ULTIMATE.start_main_~i~4 20), 149903#(<= ULTIMATE.start_main_~i~4 22), 149900#(<= ULTIMATE.start_main_~i~4 16), 149901#(<= ULTIMATE.start_main_~i~4 18), 149906#(<= ULTIMATE.start_main_~i~4 28), 149907#(<= ULTIMATE.start_main_~i~4 30), 149904#(<= ULTIMATE.start_main_~i~4 24), 149905#(<= ULTIMATE.start_main_~i~4 26), 149910#(<= ULTIMATE.start_main_~i~4 36), 149911#(<= ULTIMATE.start_main_~i~4 38), 149908#(<= ULTIMATE.start_main_~i~4 32), 149909#(<= ULTIMATE.start_main_~i~4 34), 149914#(<= ULTIMATE.start_main_~i~4 44), 149915#(<= ULTIMATE.start_main_~i~4 46), 149912#(<= ULTIMATE.start_main_~i~4 40), 149913#(<= ULTIMATE.start_main_~i~4 42), 149918#(<= ULTIMATE.start_main_~i~4 52), 149919#(<= ULTIMATE.start_main_~i~4 54), 149916#(<= ULTIMATE.start_main_~i~4 48), 149917#(<= ULTIMATE.start_main_~i~4 50), 149922#(<= ULTIMATE.start_main_~i~4 60), 149923#(<= ULTIMATE.start_main_~i~4 62), 149920#(<= ULTIMATE.start_main_~i~4 56), 149921#(<= ULTIMATE.start_main_~i~4 58), 149926#(<= ULTIMATE.start_main_~i~4 68), 149927#(<= ULTIMATE.start_main_~i~4 70), 149924#(<= ULTIMATE.start_main_~i~4 64), 149925#(<= ULTIMATE.start_main_~i~4 66), 149930#(<= ULTIMATE.start_main_~i~4 76), 149931#(<= ULTIMATE.start_main_~i~4 78), 149928#(<= ULTIMATE.start_main_~i~4 72), 149929#(<= ULTIMATE.start_main_~i~4 74), 149934#(<= ULTIMATE.start_main_~i~4 84), 149935#(<= ULTIMATE.start_main_~i~4 86), 149932#(<= ULTIMATE.start_main_~i~4 80), 149933#(<= ULTIMATE.start_main_~i~4 82), 149938#(<= ULTIMATE.start_main_~i~4 92), 149939#(<= ULTIMATE.start_main_~i~4 94), 149936#(<= ULTIMATE.start_main_~i~4 88), 149937#(<= ULTIMATE.start_main_~i~4 90), 149942#(<= ULTIMATE.start_main_~i~4 100), 149943#(<= ULTIMATE.start_main_~i~4 102), 149940#(<= ULTIMATE.start_main_~i~4 96), 149941#(<= ULTIMATE.start_main_~i~4 98), 149946#(<= ULTIMATE.start_main_~i~4 108), 149947#(<= ULTIMATE.start_main_~i~4 110), 149944#(<= ULTIMATE.start_main_~i~4 104), 149945#(<= ULTIMATE.start_main_~i~4 106), 149950#(<= ULTIMATE.start_main_~i~4 116), 149951#(<= ULTIMATE.start_main_~i~4 118), 149948#(<= ULTIMATE.start_main_~i~4 112), 149949#(<= ULTIMATE.start_main_~i~4 114), 149954#(<= ULTIMATE.start_main_~i~4 124), 149955#(<= ULTIMATE.start_main_~i~4 126), 149952#(<= ULTIMATE.start_main_~i~4 120), 149953#(<= ULTIMATE.start_main_~i~4 122), 149958#(<= ULTIMATE.start_main_~i~4 132), 149959#(<= ULTIMATE.start_main_~i~4 134), 149956#(<= ULTIMATE.start_main_~i~4 128), 149957#(<= ULTIMATE.start_main_~i~4 130), 149962#(<= ULTIMATE.start_main_~i~4 140), 149963#(<= ULTIMATE.start_main_~i~4 142), 149960#(<= ULTIMATE.start_main_~i~4 136), 149961#(<= ULTIMATE.start_main_~i~4 138), 149966#(<= ULTIMATE.start_main_~i~4 148), 149967#(<= ULTIMATE.start_main_~i~4 150), 149964#(<= ULTIMATE.start_main_~i~4 144), 149965#(<= ULTIMATE.start_main_~i~4 146), 149970#(<= ULTIMATE.start_main_~i~4 156), 149971#(<= ULTIMATE.start_main_~i~4 158), 149968#(<= ULTIMATE.start_main_~i~4 152), 149969#(<= ULTIMATE.start_main_~i~4 154), 149974#(<= ULTIMATE.start_main_~i~4 164), 149975#(<= ULTIMATE.start_main_~i~4 166), 149972#(<= ULTIMATE.start_main_~i~4 160), 149973#(<= ULTIMATE.start_main_~i~4 162), 149978#(<= ULTIMATE.start_main_~i~4 172), 149979#(<= ULTIMATE.start_main_~i~4 174), 149976#(<= ULTIMATE.start_main_~i~4 168), 149977#(<= ULTIMATE.start_main_~i~4 170), 149982#(<= ULTIMATE.start_main_~i~4 180), 149983#(<= ULTIMATE.start_main_~i~4 182), 149980#(<= ULTIMATE.start_main_~i~4 176), 149981#(<= ULTIMATE.start_main_~i~4 178), 149986#(<= ULTIMATE.start_main_~i~4 188), 149987#(<= ULTIMATE.start_main_~i~4 190), 149984#(<= ULTIMATE.start_main_~i~4 184), 149985#(<= ULTIMATE.start_main_~i~4 186), 149990#(<= ULTIMATE.start_main_~i~4 196), 149991#(<= ULTIMATE.start_main_~i~4 198), 149988#(<= ULTIMATE.start_main_~i~4 192), 149989#(<= ULTIMATE.start_main_~i~4 194), 149994#(<= ULTIMATE.start_main_~i~4 204), 149995#(<= ULTIMATE.start_main_~i~4 206), 149992#(<= ULTIMATE.start_main_~i~4 200), 149993#(<= ULTIMATE.start_main_~i~4 202), 149998#(<= ULTIMATE.start_main_~i~4 212), 149999#(<= ULTIMATE.start_main_~i~4 214), 149996#(<= ULTIMATE.start_main_~i~4 208), 149997#(<= ULTIMATE.start_main_~i~4 210), 150002#(<= ULTIMATE.start_main_~i~4 220), 150003#(<= ULTIMATE.start_main_~i~4 222), 150000#(<= ULTIMATE.start_main_~i~4 216), 150001#(<= ULTIMATE.start_main_~i~4 218), 150006#(<= ULTIMATE.start_main_~i~4 228), 150007#(<= ULTIMATE.start_main_~i~4 230), 150004#(<= ULTIMATE.start_main_~i~4 224), 150005#(<= ULTIMATE.start_main_~i~4 226), 150010#(<= ULTIMATE.start_main_~i~4 236), 150011#(<= ULTIMATE.start_main_~i~4 238), 150008#(<= ULTIMATE.start_main_~i~4 232), 150009#(<= ULTIMATE.start_main_~i~4 234), 150014#(<= ULTIMATE.start_main_~i~4 244), 150015#(<= ULTIMATE.start_main_~i~4 246), 150012#(<= ULTIMATE.start_main_~i~4 240), 150013#(<= ULTIMATE.start_main_~i~4 242)] [2018-07-23 13:41:11,077 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 13:41:11,077 INFO L450 AbstractCegarLoop]: Interpolant automaton has 243 states [2018-07-23 13:41:11,082 INFO L132 InterpolantAutomaton]: Constructing interpolant automaton starting with 243 interpolants. [2018-07-23 13:41:11,085 INFO L133 InterpolantAutomaton]: CoverageRelationStatistics Valid=29403, Invalid=29403, Unknown=0, NotChecked=0, Total=58806 [2018-07-23 13:41:11,085 INFO L87 Difference]: Start difference. First operand 244 states and 244 transitions. Second operand 243 states. [2018-07-23 13:41:11,713 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2018-07-23 13:41:11,714 INFO L93 Difference]: Finished difference Result 247 states and 247 transitions. [2018-07-23 13:41:11,714 INFO L142 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 243 states. [2018-07-23 13:41:11,714 INFO L78 Accepts]: Start accepts. Automaton has 243 states. Word has length 243 [2018-07-23 13:41:11,714 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2018-07-23 13:41:11,714 INFO L225 Difference]: With dead ends: 247 [2018-07-23 13:41:11,714 INFO L226 Difference]: Without dead ends: 245 [2018-07-23 13:41:11,717 INFO L575 BasicCegarLoop]: 0 DeclaredPredicates, 242 GetRequests, 1 SyntacticMatches, 0 SemanticMatches, 241 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 0 ImplicationChecksByTransitivity, 1.3s TimeCoverageRelationStatistics Valid=29403, Invalid=29403, Unknown=0, NotChecked=0, Total=58806 [2018-07-23 13:41:11,718 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 245 states. [2018-07-23 13:41:11,720 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 245 to 245. [2018-07-23 13:41:11,720 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 245 states. [2018-07-23 13:41:11,720 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 245 states to 245 states and 245 transitions. [2018-07-23 13:41:11,720 INFO L78 Accepts]: Start accepts. Automaton has 245 states and 245 transitions. Word has length 243 [2018-07-23 13:41:11,720 INFO L84 Accepts]: Finished accepts. word is rejected. [2018-07-23 13:41:11,720 INFO L471 AbstractCegarLoop]: Abstraction has 245 states and 245 transitions. [2018-07-23 13:41:11,720 INFO L472 AbstractCegarLoop]: Interpolant automaton has 243 states. [2018-07-23 13:41:11,720 INFO L276 IsEmpty]: Start isEmpty. Operand 245 states and 245 transitions. [2018-07-23 13:41:11,721 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 245 [2018-07-23 13:41:11,721 INFO L349 BasicCegarLoop]: Found error trace [2018-07-23 13:41:11,721 INFO L357 BasicCegarLoop]: trace histogram [241, 1, 1, 1] [2018-07-23 13:41:11,721 INFO L414 AbstractCegarLoop]: === Iteration 242 === [ULTIMATE.startErr0AssertViolationASSERT]=== [2018-07-23 13:41:11,721 INFO L82 PathProgramCache]: Analyzing trace with hash -1029529048, now seen corresponding path program 241 times [2018-07-23 13:41:11,722 INFO L69 tionRefinementEngine]: Using refinement strategy FixedRefinementStrategy [2018-07-23 13:41:12,140 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-07-23 13:41:13,561 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 13:41:13,561 INFO L309 seRefinementStrategy]: Constructing automaton from 0 perfect and 1 imperfect interpolant sequences. [2018-07-23 13:41:13,561 INFO L324 seRefinementStrategy]: Number of different interpolants: perfect sequences [] imperfect sequences [243] total 243 [2018-07-23 13:41:13,561 INFO L142 lantAutomatonBuilder]: Constructing canonical interpolant automaton, with selfloop in false state [2018-07-23 13:41:13,562 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 13:41:13,562 INFO L185 omatonBuilderFactory]: Interpolants [151118#false, 151119#(<= ULTIMATE.start_main_~i~4 0), 151117#true, 151122#(<= ULTIMATE.start_main_~i~4 6), 151123#(<= ULTIMATE.start_main_~i~4 8), 151120#(<= ULTIMATE.start_main_~i~4 2), 151121#(<= ULTIMATE.start_main_~i~4 4), 151126#(<= ULTIMATE.start_main_~i~4 14), 151127#(<= ULTIMATE.start_main_~i~4 16), 151124#(<= ULTIMATE.start_main_~i~4 10), 151125#(<= ULTIMATE.start_main_~i~4 12), 151130#(<= ULTIMATE.start_main_~i~4 22), 151131#(<= ULTIMATE.start_main_~i~4 24), 151128#(<= ULTIMATE.start_main_~i~4 18), 151129#(<= ULTIMATE.start_main_~i~4 20), 151134#(<= ULTIMATE.start_main_~i~4 30), 151135#(<= ULTIMATE.start_main_~i~4 32), 151132#(<= ULTIMATE.start_main_~i~4 26), 151133#(<= ULTIMATE.start_main_~i~4 28), 151138#(<= ULTIMATE.start_main_~i~4 38), 151139#(<= ULTIMATE.start_main_~i~4 40), 151136#(<= ULTIMATE.start_main_~i~4 34), 151137#(<= ULTIMATE.start_main_~i~4 36), 151142#(<= ULTIMATE.start_main_~i~4 46), 151143#(<= ULTIMATE.start_main_~i~4 48), 151140#(<= ULTIMATE.start_main_~i~4 42), 151141#(<= ULTIMATE.start_main_~i~4 44), 151146#(<= ULTIMATE.start_main_~i~4 54), 151147#(<= ULTIMATE.start_main_~i~4 56), 151144#(<= ULTIMATE.start_main_~i~4 50), 151145#(<= ULTIMATE.start_main_~i~4 52), 151150#(<= ULTIMATE.start_main_~i~4 62), 151151#(<= ULTIMATE.start_main_~i~4 64), 151148#(<= ULTIMATE.start_main_~i~4 58), 151149#(<= ULTIMATE.start_main_~i~4 60), 151154#(<= ULTIMATE.start_main_~i~4 70), 151155#(<= ULTIMATE.start_main_~i~4 72), 151152#(<= ULTIMATE.start_main_~i~4 66), 151153#(<= ULTIMATE.start_main_~i~4 68), 151158#(<= ULTIMATE.start_main_~i~4 78), 151159#(<= ULTIMATE.start_main_~i~4 80), 151156#(<= ULTIMATE.start_main_~i~4 74), 151157#(<= ULTIMATE.start_main_~i~4 76), 151162#(<= ULTIMATE.start_main_~i~4 86), 151163#(<= ULTIMATE.start_main_~i~4 88), 151160#(<= ULTIMATE.start_main_~i~4 82), 151161#(<= ULTIMATE.start_main_~i~4 84), 151166#(<= ULTIMATE.start_main_~i~4 94), 151167#(<= ULTIMATE.start_main_~i~4 96), 151164#(<= ULTIMATE.start_main_~i~4 90), 151165#(<= ULTIMATE.start_main_~i~4 92), 151170#(<= ULTIMATE.start_main_~i~4 102), 151171#(<= ULTIMATE.start_main_~i~4 104), 151168#(<= ULTIMATE.start_main_~i~4 98), 151169#(<= ULTIMATE.start_main_~i~4 100), 151174#(<= ULTIMATE.start_main_~i~4 110), 151175#(<= ULTIMATE.start_main_~i~4 112), 151172#(<= ULTIMATE.start_main_~i~4 106), 151173#(<= ULTIMATE.start_main_~i~4 108), 151178#(<= ULTIMATE.start_main_~i~4 118), 151179#(<= ULTIMATE.start_main_~i~4 120), 151176#(<= ULTIMATE.start_main_~i~4 114), 151177#(<= ULTIMATE.start_main_~i~4 116), 151182#(<= ULTIMATE.start_main_~i~4 126), 151183#(<= ULTIMATE.start_main_~i~4 128), 151180#(<= ULTIMATE.start_main_~i~4 122), 151181#(<= ULTIMATE.start_main_~i~4 124), 151186#(<= ULTIMATE.start_main_~i~4 134), 151187#(<= ULTIMATE.start_main_~i~4 136), 151184#(<= ULTIMATE.start_main_~i~4 130), 151185#(<= ULTIMATE.start_main_~i~4 132), 151190#(<= ULTIMATE.start_main_~i~4 142), 151191#(<= ULTIMATE.start_main_~i~4 144), 151188#(<= ULTIMATE.start_main_~i~4 138), 151189#(<= ULTIMATE.start_main_~i~4 140), 151194#(<= ULTIMATE.start_main_~i~4 150), 151195#(<= ULTIMATE.start_main_~i~4 152), 151192#(<= ULTIMATE.start_main_~i~4 146), 151193#(<= ULTIMATE.start_main_~i~4 148), 151198#(<= ULTIMATE.start_main_~i~4 158), 151199#(<= ULTIMATE.start_main_~i~4 160), 151196#(<= ULTIMATE.start_main_~i~4 154), 151197#(<= ULTIMATE.start_main_~i~4 156), 151202#(<= ULTIMATE.start_main_~i~4 166), 151203#(<= ULTIMATE.start_main_~i~4 168), 151200#(<= ULTIMATE.start_main_~i~4 162), 151201#(<= ULTIMATE.start_main_~i~4 164), 151206#(<= ULTIMATE.start_main_~i~4 174), 151207#(<= ULTIMATE.start_main_~i~4 176), 151204#(<= ULTIMATE.start_main_~i~4 170), 151205#(<= ULTIMATE.start_main_~i~4 172), 151210#(<= ULTIMATE.start_main_~i~4 182), 151211#(<= ULTIMATE.start_main_~i~4 184), 151208#(<= ULTIMATE.start_main_~i~4 178), 151209#(<= ULTIMATE.start_main_~i~4 180), 151214#(<= ULTIMATE.start_main_~i~4 190), 151215#(<= ULTIMATE.start_main_~i~4 192), 151212#(<= ULTIMATE.start_main_~i~4 186), 151213#(<= ULTIMATE.start_main_~i~4 188), 151218#(<= ULTIMATE.start_main_~i~4 198), 151219#(<= ULTIMATE.start_main_~i~4 200), 151216#(<= ULTIMATE.start_main_~i~4 194), 151217#(<= ULTIMATE.start_main_~i~4 196), 151222#(<= ULTIMATE.start_main_~i~4 206), 151223#(<= ULTIMATE.start_main_~i~4 208), 151220#(<= ULTIMATE.start_main_~i~4 202), 151221#(<= ULTIMATE.start_main_~i~4 204), 151226#(<= ULTIMATE.start_main_~i~4 214), 151227#(<= ULTIMATE.start_main_~i~4 216), 151224#(<= ULTIMATE.start_main_~i~4 210), 151225#(<= ULTIMATE.start_main_~i~4 212), 151230#(<= ULTIMATE.start_main_~i~4 222), 151231#(<= ULTIMATE.start_main_~i~4 224), 151228#(<= ULTIMATE.start_main_~i~4 218), 151229#(<= ULTIMATE.start_main_~i~4 220), 151234#(<= ULTIMATE.start_main_~i~4 230), 151235#(<= ULTIMATE.start_main_~i~4 232), 151232#(<= ULTIMATE.start_main_~i~4 226), 151233#(<= ULTIMATE.start_main_~i~4 228), 151238#(<= ULTIMATE.start_main_~i~4 238), 151239#(<= ULTIMATE.start_main_~i~4 240), 151236#(<= ULTIMATE.start_main_~i~4 234), 151237#(<= ULTIMATE.start_main_~i~4 236), 151242#(<= ULTIMATE.start_main_~i~4 246), 151243#(<= ULTIMATE.start_main_~i~4 248), 151240#(<= ULTIMATE.start_main_~i~4 242), 151241#(<= ULTIMATE.start_main_~i~4 244), 151246#(<= ULTIMATE.start_main_~i~4 254), 151247#(<= ULTIMATE.start_main_~i~4 256), 151244#(<= ULTIMATE.start_main_~i~4 250), 151245#(<= ULTIMATE.start_main_~i~4 252), 151250#(<= ULTIMATE.start_main_~i~4 262), 151251#(<= ULTIMATE.start_main_~i~4 264), 151248#(<= ULTIMATE.start_main_~i~4 258), 151249#(<= ULTIMATE.start_main_~i~4 260), 151254#(<= ULTIMATE.start_main_~i~4 270), 151255#(<= ULTIMATE.start_main_~i~4 272), 151252#(<= ULTIMATE.start_main_~i~4 266), 151253#(<= ULTIMATE.start_main_~i~4 268), 151258#(<= ULTIMATE.start_main_~i~4 278), 151259#(<= ULTIMATE.start_main_~i~4 280), 151256#(<= ULTIMATE.start_main_~i~4 274), 151257#(<= ULTIMATE.start_main_~i~4 276), 151262#(<= ULTIMATE.start_main_~i~4 286), 151263#(<= ULTIMATE.start_main_~i~4 288), 151260#(<= ULTIMATE.start_main_~i~4 282), 151261#(<= ULTIMATE.start_main_~i~4 284), 151266#(<= ULTIMATE.start_main_~i~4 294), 151267#(<= ULTIMATE.start_main_~i~4 296), 151264#(<= ULTIMATE.start_main_~i~4 290), 151265#(<= ULTIMATE.start_main_~i~4 292), 151270#(<= ULTIMATE.start_main_~i~4 302), 151271#(<= ULTIMATE.start_main_~i~4 304), 151268#(<= ULTIMATE.start_main_~i~4 298), 151269#(<= ULTIMATE.start_main_~i~4 300), 151274#(<= ULTIMATE.start_main_~i~4 310), 151275#(<= ULTIMATE.start_main_~i~4 312), 151272#(<= ULTIMATE.start_main_~i~4 306), 151273#(<= ULTIMATE.start_main_~i~4 308), 151278#(<= ULTIMATE.start_main_~i~4 318), 151279#(<= ULTIMATE.start_main_~i~4 320), 151276#(<= ULTIMATE.start_main_~i~4 314), 151277#(<= ULTIMATE.start_main_~i~4 316), 151282#(<= ULTIMATE.start_main_~i~4 326), 151283#(<= ULTIMATE.start_main_~i~4 328), 151280#(<= ULTIMATE.start_main_~i~4 322), 151281#(<= ULTIMATE.start_main_~i~4 324), 151286#(<= ULTIMATE.start_main_~i~4 334), 151287#(<= ULTIMATE.start_main_~i~4 336), 151284#(<= ULTIMATE.start_main_~i~4 330), 151285#(<= ULTIMATE.start_main_~i~4 332), 151290#(<= ULTIMATE.start_main_~i~4 342), 151291#(<= ULTIMATE.start_main_~i~4 344), 151288#(<= ULTIMATE.start_main_~i~4 338), 151289#(<= ULTIMATE.start_main_~i~4 340), 151294#(<= ULTIMATE.start_main_~i~4 350), 151295#(<= ULTIMATE.start_main_~i~4 352), 151292#(<= ULTIMATE.start_main_~i~4 346), 151293#(<= ULTIMATE.start_main_~i~4 348), 151298#(<= ULTIMATE.start_main_~i~4 358), 151299#(<= ULTIMATE.start_main_~i~4 360), 151296#(<= ULTIMATE.start_main_~i~4 354), 151297#(<= ULTIMATE.start_main_~i~4 356), 151302#(<= ULTIMATE.start_main_~i~4 366), 151303#(<= ULTIMATE.start_main_~i~4 368), 151300#(<= ULTIMATE.start_main_~i~4 362), 151301#(<= ULTIMATE.start_main_~i~4 364), 151306#(<= ULTIMATE.start_main_~i~4 374), 151307#(<= ULTIMATE.start_main_~i~4 376), 151304#(<= ULTIMATE.start_main_~i~4 370), 151305#(<= ULTIMATE.start_main_~i~4 372), 151310#(<= ULTIMATE.start_main_~i~4 382), 151311#(<= ULTIMATE.start_main_~i~4 384), 151308#(<= ULTIMATE.start_main_~i~4 378), 151309#(<= ULTIMATE.start_main_~i~4 380), 151314#(<= ULTIMATE.start_main_~i~4 390), 151315#(<= ULTIMATE.start_main_~i~4 392), 151312#(<= ULTIMATE.start_main_~i~4 386), 151313#(<= ULTIMATE.start_main_~i~4 388), 151318#(<= ULTIMATE.start_main_~i~4 398), 151319#(<= ULTIMATE.start_main_~i~4 400), 151316#(<= ULTIMATE.start_main_~i~4 394), 151317#(<= ULTIMATE.start_main_~i~4 396), 151322#(<= ULTIMATE.start_main_~i~4 406), 151323#(<= ULTIMATE.start_main_~i~4 408), 151320#(<= ULTIMATE.start_main_~i~4 402), 151321#(<= ULTIMATE.start_main_~i~4 404), 151326#(<= ULTIMATE.start_main_~i~4 414), 151327#(<= ULTIMATE.start_main_~i~4 416), 151324#(<= ULTIMATE.start_main_~i~4 410), 151325#(<= ULTIMATE.start_main_~i~4 412), 151330#(<= ULTIMATE.start_main_~i~4 422), 151331#(<= ULTIMATE.start_main_~i~4 424), 151328#(<= ULTIMATE.start_main_~i~4 418), 151329#(<= ULTIMATE.start_main_~i~4 420), 151334#(<= ULTIMATE.start_main_~i~4 430), 151335#(<= ULTIMATE.start_main_~i~4 432), 151332#(<= ULTIMATE.start_main_~i~4 426), 151333#(<= ULTIMATE.start_main_~i~4 428), 151338#(<= ULTIMATE.start_main_~i~4 438), 151339#(<= ULTIMATE.start_main_~i~4 440), 151336#(<= ULTIMATE.start_main_~i~4 434), 151337#(<= ULTIMATE.start_main_~i~4 436), 151342#(<= ULTIMATE.start_main_~i~4 446), 151343#(<= ULTIMATE.start_main_~i~4 448), 151340#(<= ULTIMATE.start_main_~i~4 442), 151341#(<= ULTIMATE.start_main_~i~4 444), 151346#(<= ULTIMATE.start_main_~i~4 454), 151347#(<= ULTIMATE.start_main_~i~4 456), 151344#(<= ULTIMATE.start_main_~i~4 450), 151345#(<= ULTIMATE.start_main_~i~4 452), 151350#(<= ULTIMATE.start_main_~i~4 462), 151351#(<= ULTIMATE.start_main_~i~4 464), 151348#(<= ULTIMATE.start_main_~i~4 458), 151349#(<= ULTIMATE.start_main_~i~4 460), 151354#(<= ULTIMATE.start_main_~i~4 470), 151355#(<= ULTIMATE.start_main_~i~4 472), 151352#(<= ULTIMATE.start_main_~i~4 466), 151353#(<= ULTIMATE.start_main_~i~4 468), 151358#(<= ULTIMATE.start_main_~i~4 478), 151359#(<= ULTIMATE.start_main_~i~4 480), 151356#(<= ULTIMATE.start_main_~i~4 474), 151357#(<= ULTIMATE.start_main_~i~4 476), 151360#(<= ULTIMATE.start_main_~i~4 482)] [2018-07-23 13:41:13,564 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 13:41:13,564 INFO L450 AbstractCegarLoop]: Interpolant automaton has 244 states [2018-07-23 13:41:13,567 INFO L132 InterpolantAutomaton]: Constructing interpolant automaton starting with 244 interpolants. [2018-07-23 13:41:13,569 INFO L133 InterpolantAutomaton]: CoverageRelationStatistics Valid=29646, Invalid=29646, Unknown=0, NotChecked=0, Total=59292 [2018-07-23 13:41:13,570 INFO L87 Difference]: Start difference. First operand 245 states and 245 transitions. Second operand 244 states. [2018-07-23 13:41:15,478 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2018-07-23 13:41:15,478 INFO L93 Difference]: Finished difference Result 248 states and 248 transitions. [2018-07-23 13:41:15,478 INFO L142 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 244 states. [2018-07-23 13:41:15,478 INFO L78 Accepts]: Start accepts. Automaton has 244 states. Word has length 244 [2018-07-23 13:41:15,478 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2018-07-23 13:41:15,479 INFO L225 Difference]: With dead ends: 248 [2018-07-23 13:41:15,479 INFO L226 Difference]: Without dead ends: 246 [2018-07-23 13:41:15,481 INFO L575 BasicCegarLoop]: 0 DeclaredPredicates, 243 GetRequests, 1 SyntacticMatches, 0 SemanticMatches, 242 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 0 ImplicationChecksByTransitivity, 1.3s TimeCoverageRelationStatistics Valid=29646, Invalid=29646, Unknown=0, NotChecked=0, Total=59292 [2018-07-23 13:41:15,481 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 246 states. [2018-07-23 13:41:15,484 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 246 to 246. [2018-07-23 13:41:15,484 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 246 states. [2018-07-23 13:41:15,484 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 246 states to 246 states and 246 transitions. [2018-07-23 13:41:15,485 INFO L78 Accepts]: Start accepts. Automaton has 246 states and 246 transitions. Word has length 244 [2018-07-23 13:41:15,485 INFO L84 Accepts]: Finished accepts. word is rejected. [2018-07-23 13:41:15,485 INFO L471 AbstractCegarLoop]: Abstraction has 246 states and 246 transitions. [2018-07-23 13:41:15,485 INFO L472 AbstractCegarLoop]: Interpolant automaton has 244 states. [2018-07-23 13:41:15,485 INFO L276 IsEmpty]: Start isEmpty. Operand 246 states and 246 transitions. [2018-07-23 13:41:15,485 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 246 [2018-07-23 13:41:15,486 INFO L349 BasicCegarLoop]: Found error trace [2018-07-23 13:41:15,486 INFO L357 BasicCegarLoop]: trace histogram [242, 1, 1, 1] [2018-07-23 13:41:15,486 INFO L414 AbstractCegarLoop]: === Iteration 243 === [ULTIMATE.startErr0AssertViolationASSERT]=== [2018-07-23 13:41:15,486 INFO L82 PathProgramCache]: Analyzing trace with hash -1850631391, now seen corresponding path program 242 times [2018-07-23 13:41:15,486 INFO L69 tionRefinementEngine]: Using refinement strategy FixedRefinementStrategy [2018-07-23 13:41:15,879 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-07-23 13:41:17,346 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 13:41:17,347 INFO L309 seRefinementStrategy]: Constructing automaton from 0 perfect and 1 imperfect interpolant sequences. [2018-07-23 13:41:17,347 INFO L324 seRefinementStrategy]: Number of different interpolants: perfect sequences [] imperfect sequences [244] total 244 [2018-07-23 13:41:17,347 INFO L142 lantAutomatonBuilder]: Constructing canonical interpolant automaton, with selfloop in false state [2018-07-23 13:41:17,347 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2018-07-23 13:41:17,348 INFO L185 omatonBuilderFactory]: Interpolants [152578#(<= ULTIMATE.start_main_~i~4 454), 152579#(<= ULTIMATE.start_main_~i~4 456), 152576#(<= ULTIMATE.start_main_~i~4 450), 152577#(<= ULTIMATE.start_main_~i~4 452), 152582#(<= ULTIMATE.start_main_~i~4 462), 152583#(<= ULTIMATE.start_main_~i~4 464), 152580#(<= ULTIMATE.start_main_~i~4 458), 152581#(<= ULTIMATE.start_main_~i~4 460), 152586#(<= ULTIMATE.start_main_~i~4 470), 152587#(<= ULTIMATE.start_main_~i~4 472), 152584#(<= ULTIMATE.start_main_~i~4 466), 152585#(<= ULTIMATE.start_main_~i~4 468), 152590#(<= ULTIMATE.start_main_~i~4 478), 152591#(<= ULTIMATE.start_main_~i~4 480), 152588#(<= ULTIMATE.start_main_~i~4 474), 152589#(<= ULTIMATE.start_main_~i~4 476), 152592#(<= ULTIMATE.start_main_~i~4 482), 152593#(<= ULTIMATE.start_main_~i~4 484), 152350#false, 152351#(<= ULTIMATE.start_main_~i~4 0), 152349#true, 152354#(<= ULTIMATE.start_main_~i~4 6), 152355#(<= ULTIMATE.start_main_~i~4 8), 152352#(<= ULTIMATE.start_main_~i~4 2), 152353#(<= ULTIMATE.start_main_~i~4 4), 152358#(<= ULTIMATE.start_main_~i~4 14), 152359#(<= ULTIMATE.start_main_~i~4 16), 152356#(<= ULTIMATE.start_main_~i~4 10), 152357#(<= ULTIMATE.start_main_~i~4 12), 152362#(<= ULTIMATE.start_main_~i~4 22), 152363#(<= ULTIMATE.start_main_~i~4 24), 152360#(<= ULTIMATE.start_main_~i~4 18), 152361#(<= ULTIMATE.start_main_~i~4 20), 152366#(<= ULTIMATE.start_main_~i~4 30), 152367#(<= ULTIMATE.start_main_~i~4 32), 152364#(<= ULTIMATE.start_main_~i~4 26), 152365#(<= ULTIMATE.start_main_~i~4 28), 152370#(<= ULTIMATE.start_main_~i~4 38), 152371#(<= ULTIMATE.start_main_~i~4 40), 152368#(<= ULTIMATE.start_main_~i~4 34), 152369#(<= ULTIMATE.start_main_~i~4 36), 152374#(<= ULTIMATE.start_main_~i~4 46), 152375#(<= ULTIMATE.start_main_~i~4 48), 152372#(<= ULTIMATE.start_main_~i~4 42), 152373#(<= ULTIMATE.start_main_~i~4 44), 152378#(<= ULTIMATE.start_main_~i~4 54), 152379#(<= ULTIMATE.start_main_~i~4 56), 152376#(<= ULTIMATE.start_main_~i~4 50), 152377#(<= ULTIMATE.start_main_~i~4 52), 152382#(<= ULTIMATE.start_main_~i~4 62), 152383#(<= ULTIMATE.start_main_~i~4 64), 152380#(<= ULTIMATE.start_main_~i~4 58), 152381#(<= ULTIMATE.start_main_~i~4 60), 152386#(<= ULTIMATE.start_main_~i~4 70), 152387#(<= ULTIMATE.start_main_~i~4 72), 152384#(<= ULTIMATE.start_main_~i~4 66), 152385#(<= ULTIMATE.start_main_~i~4 68), 152390#(<= ULTIMATE.start_main_~i~4 78), 152391#(<= ULTIMATE.start_main_~i~4 80), 152388#(<= ULTIMATE.start_main_~i~4 74), 152389#(<= ULTIMATE.start_main_~i~4 76), 152394#(<= ULTIMATE.start_main_~i~4 86), 152395#(<= ULTIMATE.start_main_~i~4 88), 152392#(<= ULTIMATE.start_main_~i~4 82), 152393#(<= ULTIMATE.start_main_~i~4 84), 152398#(<= ULTIMATE.start_main_~i~4 94), 152399#(<= ULTIMATE.start_main_~i~4 96), 152396#(<= ULTIMATE.start_main_~i~4 90), 152397#(<= ULTIMATE.start_main_~i~4 92), 152402#(<= ULTIMATE.start_main_~i~4 102), 152403#(<= ULTIMATE.start_main_~i~4 104), 152400#(<= ULTIMATE.start_main_~i~4 98), 152401#(<= ULTIMATE.start_main_~i~4 100), 152406#(<= ULTIMATE.start_main_~i~4 110), 152407#(<= ULTIMATE.start_main_~i~4 112), 152404#(<= ULTIMATE.start_main_~i~4 106), 152405#(<= ULTIMATE.start_main_~i~4 108), 152410#(<= ULTIMATE.start_main_~i~4 118), 152411#(<= ULTIMATE.start_main_~i~4 120), 152408#(<= ULTIMATE.start_main_~i~4 114), 152409#(<= ULTIMATE.start_main_~i~4 116), 152414#(<= ULTIMATE.start_main_~i~4 126), 152415#(<= ULTIMATE.start_main_~i~4 128), 152412#(<= ULTIMATE.start_main_~i~4 122), 152413#(<= ULTIMATE.start_main_~i~4 124), 152418#(<= ULTIMATE.start_main_~i~4 134), 152419#(<= ULTIMATE.start_main_~i~4 136), 152416#(<= ULTIMATE.start_main_~i~4 130), 152417#(<= ULTIMATE.start_main_~i~4 132), 152422#(<= ULTIMATE.start_main_~i~4 142), 152423#(<= ULTIMATE.start_main_~i~4 144), 152420#(<= ULTIMATE.start_main_~i~4 138), 152421#(<= ULTIMATE.start_main_~i~4 140), 152426#(<= ULTIMATE.start_main_~i~4 150), 152427#(<= ULTIMATE.start_main_~i~4 152), 152424#(<= ULTIMATE.start_main_~i~4 146), 152425#(<= ULTIMATE.start_main_~i~4 148), 152430#(<= ULTIMATE.start_main_~i~4 158), 152431#(<= ULTIMATE.start_main_~i~4 160), 152428#(<= ULTIMATE.start_main_~i~4 154), 152429#(<= ULTIMATE.start_main_~i~4 156), 152434#(<= ULTIMATE.start_main_~i~4 166), 152435#(<= ULTIMATE.start_main_~i~4 168), 152432#(<= ULTIMATE.start_main_~i~4 162), 152433#(<= ULTIMATE.start_main_~i~4 164), 152438#(<= ULTIMATE.start_main_~i~4 174), 152439#(<= ULTIMATE.start_main_~i~4 176), 152436#(<= ULTIMATE.start_main_~i~4 170), 152437#(<= ULTIMATE.start_main_~i~4 172), 152442#(<= ULTIMATE.start_main_~i~4 182), 152443#(<= ULTIMATE.start_main_~i~4 184), 152440#(<= ULTIMATE.start_main_~i~4 178), 152441#(<= ULTIMATE.start_main_~i~4 180), 152446#(<= ULTIMATE.start_main_~i~4 190), 152447#(<= ULTIMATE.start_main_~i~4 192), 152444#(<= ULTIMATE.start_main_~i~4 186), 152445#(<= ULTIMATE.start_main_~i~4 188), 152450#(<= ULTIMATE.start_main_~i~4 198), 152451#(<= ULTIMATE.start_main_~i~4 200), 152448#(<= ULTIMATE.start_main_~i~4 194), 152449#(<= ULTIMATE.start_main_~i~4 196), 152454#(<= ULTIMATE.start_main_~i~4 206), 152455#(<= ULTIMATE.start_main_~i~4 208), 152452#(<= ULTIMATE.start_main_~i~4 202), 152453#(<= ULTIMATE.start_main_~i~4 204), 152458#(<= ULTIMATE.start_main_~i~4 214), 152459#(<= ULTIMATE.start_main_~i~4 216), 152456#(<= ULTIMATE.start_main_~i~4 210), 152457#(<= ULTIMATE.start_main_~i~4 212), 152462#(<= ULTIMATE.start_main_~i~4 222), 152463#(<= ULTIMATE.start_main_~i~4 224), 152460#(<= ULTIMATE.start_main_~i~4 218), 152461#(<= ULTIMATE.start_main_~i~4 220), 152466#(<= ULTIMATE.start_main_~i~4 230), 152467#(<= ULTIMATE.start_main_~i~4 232), 152464#(<= ULTIMATE.start_main_~i~4 226), 152465#(<= ULTIMATE.start_main_~i~4 228), 152470#(<= ULTIMATE.start_main_~i~4 238), 152471#(<= ULTIMATE.start_main_~i~4 240), 152468#(<= ULTIMATE.start_main_~i~4 234), 152469#(<= ULTIMATE.start_main_~i~4 236), 152474#(<= ULTIMATE.start_main_~i~4 246), 152475#(<= ULTIMATE.start_main_~i~4 248), 152472#(<= ULTIMATE.start_main_~i~4 242), 152473#(<= ULTIMATE.start_main_~i~4 244), 152478#(<= ULTIMATE.start_main_~i~4 254), 152479#(<= ULTIMATE.start_main_~i~4 256), 152476#(<= ULTIMATE.start_main_~i~4 250), 152477#(<= ULTIMATE.start_main_~i~4 252), 152482#(<= ULTIMATE.start_main_~i~4 262), 152483#(<= ULTIMATE.start_main_~i~4 264), 152480#(<= ULTIMATE.start_main_~i~4 258), 152481#(<= ULTIMATE.start_main_~i~4 260), 152486#(<= ULTIMATE.start_main_~i~4 270), 152487#(<= ULTIMATE.start_main_~i~4 272), 152484#(<= ULTIMATE.start_main_~i~4 266), 152485#(<= ULTIMATE.start_main_~i~4 268), 152490#(<= ULTIMATE.start_main_~i~4 278), 152491#(<= ULTIMATE.start_main_~i~4 280), 152488#(<= ULTIMATE.start_main_~i~4 274), 152489#(<= ULTIMATE.start_main_~i~4 276), 152494#(<= ULTIMATE.start_main_~i~4 286), 152495#(<= ULTIMATE.start_main_~i~4 288), 152492#(<= ULTIMATE.start_main_~i~4 282), 152493#(<= ULTIMATE.start_main_~i~4 284), 152498#(<= ULTIMATE.start_main_~i~4 294), 152499#(<= ULTIMATE.start_main_~i~4 296), 152496#(<= ULTIMATE.start_main_~i~4 290), 152497#(<= ULTIMATE.start_main_~i~4 292), 152502#(<= ULTIMATE.start_main_~i~4 302), 152503#(<= ULTIMATE.start_main_~i~4 304), 152500#(<= ULTIMATE.start_main_~i~4 298), 152501#(<= ULTIMATE.start_main_~i~4 300), 152506#(<= ULTIMATE.start_main_~i~4 310), 152507#(<= ULTIMATE.start_main_~i~4 312), 152504#(<= ULTIMATE.start_main_~i~4 306), 152505#(<= ULTIMATE.start_main_~i~4 308), 152510#(<= ULTIMATE.start_main_~i~4 318), 152511#(<= ULTIMATE.start_main_~i~4 320), 152508#(<= ULTIMATE.start_main_~i~4 314), 152509#(<= ULTIMATE.start_main_~i~4 316), 152514#(<= ULTIMATE.start_main_~i~4 326), 152515#(<= ULTIMATE.start_main_~i~4 328), 152512#(<= ULTIMATE.start_main_~i~4 322), 152513#(<= ULTIMATE.start_main_~i~4 324), 152518#(<= ULTIMATE.start_main_~i~4 334), 152519#(<= ULTIMATE.start_main_~i~4 336), 152516#(<= ULTIMATE.start_main_~i~4 330), 152517#(<= ULTIMATE.start_main_~i~4 332), 152522#(<= ULTIMATE.start_main_~i~4 342), 152523#(<= ULTIMATE.start_main_~i~4 344), 152520#(<= ULTIMATE.start_main_~i~4 338), 152521#(<= ULTIMATE.start_main_~i~4 340), 152526#(<= ULTIMATE.start_main_~i~4 350), 152527#(<= ULTIMATE.start_main_~i~4 352), 152524#(<= ULTIMATE.start_main_~i~4 346), 152525#(<= ULTIMATE.start_main_~i~4 348), 152530#(<= ULTIMATE.start_main_~i~4 358), 152531#(<= ULTIMATE.start_main_~i~4 360), 152528#(<= ULTIMATE.start_main_~i~4 354), 152529#(<= ULTIMATE.start_main_~i~4 356), 152534#(<= ULTIMATE.start_main_~i~4 366), 152535#(<= ULTIMATE.start_main_~i~4 368), 152532#(<= ULTIMATE.start_main_~i~4 362), 152533#(<= ULTIMATE.start_main_~i~4 364), 152538#(<= ULTIMATE.start_main_~i~4 374), 152539#(<= ULTIMATE.start_main_~i~4 376), 152536#(<= ULTIMATE.start_main_~i~4 370), 152537#(<= ULTIMATE.start_main_~i~4 372), 152542#(<= ULTIMATE.start_main_~i~4 382), 152543#(<= ULTIMATE.start_main_~i~4 384), 152540#(<= ULTIMATE.start_main_~i~4 378), 152541#(<= ULTIMATE.start_main_~i~4 380), 152546#(<= ULTIMATE.start_main_~i~4 390), 152547#(<= ULTIMATE.start_main_~i~4 392), 152544#(<= ULTIMATE.start_main_~i~4 386), 152545#(<= ULTIMATE.start_main_~i~4 388), 152550#(<= ULTIMATE.start_main_~i~4 398), 152551#(<= ULTIMATE.start_main_~i~4 400), 152548#(<= ULTIMATE.start_main_~i~4 394), 152549#(<= ULTIMATE.start_main_~i~4 396), 152554#(<= ULTIMATE.start_main_~i~4 406), 152555#(<= ULTIMATE.start_main_~i~4 408), 152552#(<= ULTIMATE.start_main_~i~4 402), 152553#(<= ULTIMATE.start_main_~i~4 404), 152558#(<= ULTIMATE.start_main_~i~4 414), 152559#(<= ULTIMATE.start_main_~i~4 416), 152556#(<= ULTIMATE.start_main_~i~4 410), 152557#(<= ULTIMATE.start_main_~i~4 412), 152562#(<= ULTIMATE.start_main_~i~4 422), 152563#(<= ULTIMATE.start_main_~i~4 424), 152560#(<= ULTIMATE.start_main_~i~4 418), 152561#(<= ULTIMATE.start_main_~i~4 420), 152566#(<= ULTIMATE.start_main_~i~4 430), 152567#(<= ULTIMATE.start_main_~i~4 432), 152564#(<= ULTIMATE.start_main_~i~4 426), 152565#(<= ULTIMATE.start_main_~i~4 428), 152570#(<= ULTIMATE.start_main_~i~4 438), 152571#(<= ULTIMATE.start_main_~i~4 440), 152568#(<= ULTIMATE.start_main_~i~4 434), 152569#(<= ULTIMATE.start_main_~i~4 436), 152574#(<= ULTIMATE.start_main_~i~4 446), 152575#(<= ULTIMATE.start_main_~i~4 448), 152572#(<= ULTIMATE.start_main_~i~4 442), 152573#(<= ULTIMATE.start_main_~i~4 444)] [2018-07-23 13:41:17,349 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 13:41:17,349 INFO L450 AbstractCegarLoop]: Interpolant automaton has 245 states [2018-07-23 13:41:17,354 INFO L132 InterpolantAutomaton]: Constructing interpolant automaton starting with 245 interpolants. [2018-07-23 13:41:17,356 INFO L133 InterpolantAutomaton]: CoverageRelationStatistics Valid=29890, Invalid=29890, Unknown=0, NotChecked=0, Total=59780 [2018-07-23 13:41:17,357 INFO L87 Difference]: Start difference. First operand 246 states and 246 transitions. Second operand 245 states. [2018-07-23 13:41:19,108 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2018-07-23 13:41:19,108 INFO L93 Difference]: Finished difference Result 249 states and 249 transitions. [2018-07-23 13:41:19,108 INFO L142 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 245 states. [2018-07-23 13:41:19,108 INFO L78 Accepts]: Start accepts. Automaton has 245 states. Word has length 245 [2018-07-23 13:41:19,109 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2018-07-23 13:41:19,109 INFO L225 Difference]: With dead ends: 249 [2018-07-23 13:41:19,109 INFO L226 Difference]: Without dead ends: 247 [2018-07-23 13:41:19,110 INFO L575 BasicCegarLoop]: 0 DeclaredPredicates, 244 GetRequests, 1 SyntacticMatches, 0 SemanticMatches, 243 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 0 ImplicationChecksByTransitivity, 1.3s TimeCoverageRelationStatistics Valid=29890, Invalid=29890, Unknown=0, NotChecked=0, Total=59780 [2018-07-23 13:41:19,110 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 247 states. [2018-07-23 13:41:19,113 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 247 to 247. [2018-07-23 13:41:19,113 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 247 states. [2018-07-23 13:41:19,113 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 247 states to 247 states and 247 transitions. [2018-07-23 13:41:19,113 INFO L78 Accepts]: Start accepts. Automaton has 247 states and 247 transitions. Word has length 245 [2018-07-23 13:41:19,113 INFO L84 Accepts]: Finished accepts. word is rejected. [2018-07-23 13:41:19,113 INFO L471 AbstractCegarLoop]: Abstraction has 247 states and 247 transitions. [2018-07-23 13:41:19,113 INFO L472 AbstractCegarLoop]: Interpolant automaton has 245 states. [2018-07-23 13:41:19,113 INFO L276 IsEmpty]: Start isEmpty. Operand 247 states and 247 transitions. [2018-07-23 13:41:19,114 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 247 [2018-07-23 13:41:19,114 INFO L349 BasicCegarLoop]: Found error trace [2018-07-23 13:41:19,114 INFO L357 BasicCegarLoop]: trace histogram [243, 1, 1, 1] [2018-07-23 13:41:19,114 INFO L414 AbstractCegarLoop]: === Iteration 244 === [ULTIMATE.startErr0AssertViolationASSERT]=== [2018-07-23 13:41:19,114 INFO L82 PathProgramCache]: Analyzing trace with hash -1535000248, now seen corresponding path program 243 times [2018-07-23 13:41:19,115 INFO L69 tionRefinementEngine]: Using refinement strategy FixedRefinementStrategy [2018-07-23 13:41:19,562 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-07-23 13:41:21,051 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 13:41:21,052 INFO L309 seRefinementStrategy]: Constructing automaton from 0 perfect and 1 imperfect interpolant sequences. [2018-07-23 13:41:21,052 INFO L324 seRefinementStrategy]: Number of different interpolants: perfect sequences [] imperfect sequences [245] total 245 [2018-07-23 13:41:21,052 INFO L142 lantAutomatonBuilder]: Constructing canonical interpolant automaton, with selfloop in false state [2018-07-23 13:41:21,052 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2018-07-23 13:41:21,053 INFO L185 omatonBuilderFactory]: Interpolants [153602#(<= ULTIMATE.start_main_~i~4 28), 153603#(<= ULTIMATE.start_main_~i~4 30), 153600#(<= ULTIMATE.start_main_~i~4 24), 153601#(<= ULTIMATE.start_main_~i~4 26), 153606#(<= ULTIMATE.start_main_~i~4 36), 153607#(<= ULTIMATE.start_main_~i~4 38), 153604#(<= ULTIMATE.start_main_~i~4 32), 153605#(<= ULTIMATE.start_main_~i~4 34), 153610#(<= ULTIMATE.start_main_~i~4 44), 153611#(<= ULTIMATE.start_main_~i~4 46), 153608#(<= ULTIMATE.start_main_~i~4 40), 153609#(<= ULTIMATE.start_main_~i~4 42), 153614#(<= ULTIMATE.start_main_~i~4 52), 153615#(<= ULTIMATE.start_main_~i~4 54), 153612#(<= ULTIMATE.start_main_~i~4 48), 153613#(<= ULTIMATE.start_main_~i~4 50), 153618#(<= ULTIMATE.start_main_~i~4 60), 153619#(<= ULTIMATE.start_main_~i~4 62), 153616#(<= ULTIMATE.start_main_~i~4 56), 153617#(<= ULTIMATE.start_main_~i~4 58), 153622#(<= ULTIMATE.start_main_~i~4 68), 153623#(<= ULTIMATE.start_main_~i~4 70), 153620#(<= ULTIMATE.start_main_~i~4 64), 153621#(<= ULTIMATE.start_main_~i~4 66), 153626#(<= ULTIMATE.start_main_~i~4 76), 153627#(<= ULTIMATE.start_main_~i~4 78), 153624#(<= ULTIMATE.start_main_~i~4 72), 153625#(<= ULTIMATE.start_main_~i~4 74), 153630#(<= ULTIMATE.start_main_~i~4 84), 153631#(<= ULTIMATE.start_main_~i~4 86), 153628#(<= ULTIMATE.start_main_~i~4 80), 153629#(<= ULTIMATE.start_main_~i~4 82), 153634#(<= ULTIMATE.start_main_~i~4 92), 153635#(<= ULTIMATE.start_main_~i~4 94), 153632#(<= ULTIMATE.start_main_~i~4 88), 153633#(<= ULTIMATE.start_main_~i~4 90), 153638#(<= ULTIMATE.start_main_~i~4 100), 153639#(<= ULTIMATE.start_main_~i~4 102), 153636#(<= ULTIMATE.start_main_~i~4 96), 153637#(<= ULTIMATE.start_main_~i~4 98), 153642#(<= ULTIMATE.start_main_~i~4 108), 153643#(<= ULTIMATE.start_main_~i~4 110), 153640#(<= ULTIMATE.start_main_~i~4 104), 153641#(<= ULTIMATE.start_main_~i~4 106), 153646#(<= ULTIMATE.start_main_~i~4 116), 153647#(<= ULTIMATE.start_main_~i~4 118), 153644#(<= ULTIMATE.start_main_~i~4 112), 153645#(<= ULTIMATE.start_main_~i~4 114), 153650#(<= ULTIMATE.start_main_~i~4 124), 153651#(<= ULTIMATE.start_main_~i~4 126), 153648#(<= ULTIMATE.start_main_~i~4 120), 153649#(<= ULTIMATE.start_main_~i~4 122), 153654#(<= ULTIMATE.start_main_~i~4 132), 153655#(<= ULTIMATE.start_main_~i~4 134), 153652#(<= ULTIMATE.start_main_~i~4 128), 153653#(<= ULTIMATE.start_main_~i~4 130), 153658#(<= ULTIMATE.start_main_~i~4 140), 153659#(<= ULTIMATE.start_main_~i~4 142), 153656#(<= ULTIMATE.start_main_~i~4 136), 153657#(<= ULTIMATE.start_main_~i~4 138), 153662#(<= ULTIMATE.start_main_~i~4 148), 153663#(<= ULTIMATE.start_main_~i~4 150), 153660#(<= ULTIMATE.start_main_~i~4 144), 153661#(<= ULTIMATE.start_main_~i~4 146), 153666#(<= ULTIMATE.start_main_~i~4 156), 153667#(<= ULTIMATE.start_main_~i~4 158), 153664#(<= ULTIMATE.start_main_~i~4 152), 153665#(<= ULTIMATE.start_main_~i~4 154), 153670#(<= ULTIMATE.start_main_~i~4 164), 153671#(<= ULTIMATE.start_main_~i~4 166), 153668#(<= ULTIMATE.start_main_~i~4 160), 153669#(<= ULTIMATE.start_main_~i~4 162), 153674#(<= ULTIMATE.start_main_~i~4 172), 153675#(<= ULTIMATE.start_main_~i~4 174), 153672#(<= ULTIMATE.start_main_~i~4 168), 153673#(<= ULTIMATE.start_main_~i~4 170), 153678#(<= ULTIMATE.start_main_~i~4 180), 153679#(<= ULTIMATE.start_main_~i~4 182), 153676#(<= ULTIMATE.start_main_~i~4 176), 153677#(<= ULTIMATE.start_main_~i~4 178), 153682#(<= ULTIMATE.start_main_~i~4 188), 153683#(<= ULTIMATE.start_main_~i~4 190), 153680#(<= ULTIMATE.start_main_~i~4 184), 153681#(<= ULTIMATE.start_main_~i~4 186), 153686#(<= ULTIMATE.start_main_~i~4 196), 153687#(<= ULTIMATE.start_main_~i~4 198), 153684#(<= ULTIMATE.start_main_~i~4 192), 153685#(<= ULTIMATE.start_main_~i~4 194), 153690#(<= ULTIMATE.start_main_~i~4 204), 153691#(<= ULTIMATE.start_main_~i~4 206), 153688#(<= ULTIMATE.start_main_~i~4 200), 153689#(<= ULTIMATE.start_main_~i~4 202), 153694#(<= ULTIMATE.start_main_~i~4 212), 153695#(<= ULTIMATE.start_main_~i~4 214), 153692#(<= ULTIMATE.start_main_~i~4 208), 153693#(<= ULTIMATE.start_main_~i~4 210), 153698#(<= ULTIMATE.start_main_~i~4 220), 153699#(<= ULTIMATE.start_main_~i~4 222), 153696#(<= ULTIMATE.start_main_~i~4 216), 153697#(<= ULTIMATE.start_main_~i~4 218), 153702#(<= ULTIMATE.start_main_~i~4 228), 153703#(<= ULTIMATE.start_main_~i~4 230), 153700#(<= ULTIMATE.start_main_~i~4 224), 153701#(<= ULTIMATE.start_main_~i~4 226), 153706#(<= ULTIMATE.start_main_~i~4 236), 153707#(<= ULTIMATE.start_main_~i~4 238), 153704#(<= ULTIMATE.start_main_~i~4 232), 153705#(<= ULTIMATE.start_main_~i~4 234), 153710#(<= ULTIMATE.start_main_~i~4 244), 153711#(<= ULTIMATE.start_main_~i~4 246), 153708#(<= ULTIMATE.start_main_~i~4 240), 153709#(<= ULTIMATE.start_main_~i~4 242), 153714#(<= ULTIMATE.start_main_~i~4 252), 153715#(<= ULTIMATE.start_main_~i~4 254), 153712#(<= ULTIMATE.start_main_~i~4 248), 153713#(<= ULTIMATE.start_main_~i~4 250), 153718#(<= ULTIMATE.start_main_~i~4 260), 153719#(<= ULTIMATE.start_main_~i~4 262), 153716#(<= ULTIMATE.start_main_~i~4 256), 153717#(<= ULTIMATE.start_main_~i~4 258), 153722#(<= ULTIMATE.start_main_~i~4 268), 153723#(<= ULTIMATE.start_main_~i~4 270), 153720#(<= ULTIMATE.start_main_~i~4 264), 153721#(<= ULTIMATE.start_main_~i~4 266), 153726#(<= ULTIMATE.start_main_~i~4 276), 153727#(<= ULTIMATE.start_main_~i~4 278), 153724#(<= ULTIMATE.start_main_~i~4 272), 153725#(<= ULTIMATE.start_main_~i~4 274), 153730#(<= ULTIMATE.start_main_~i~4 284), 153731#(<= ULTIMATE.start_main_~i~4 286), 153728#(<= ULTIMATE.start_main_~i~4 280), 153729#(<= ULTIMATE.start_main_~i~4 282), 153734#(<= ULTIMATE.start_main_~i~4 292), 153735#(<= ULTIMATE.start_main_~i~4 294), 153732#(<= ULTIMATE.start_main_~i~4 288), 153733#(<= ULTIMATE.start_main_~i~4 290), 153738#(<= ULTIMATE.start_main_~i~4 300), 153739#(<= ULTIMATE.start_main_~i~4 302), 153736#(<= ULTIMATE.start_main_~i~4 296), 153737#(<= ULTIMATE.start_main_~i~4 298), 153742#(<= ULTIMATE.start_main_~i~4 308), 153743#(<= ULTIMATE.start_main_~i~4 310), 153740#(<= ULTIMATE.start_main_~i~4 304), 153741#(<= ULTIMATE.start_main_~i~4 306), 153746#(<= ULTIMATE.start_main_~i~4 316), 153747#(<= ULTIMATE.start_main_~i~4 318), 153744#(<= ULTIMATE.start_main_~i~4 312), 153745#(<= ULTIMATE.start_main_~i~4 314), 153750#(<= ULTIMATE.start_main_~i~4 324), 153751#(<= ULTIMATE.start_main_~i~4 326), 153748#(<= ULTIMATE.start_main_~i~4 320), 153749#(<= ULTIMATE.start_main_~i~4 322), 153754#(<= ULTIMATE.start_main_~i~4 332), 153755#(<= ULTIMATE.start_main_~i~4 334), 153752#(<= ULTIMATE.start_main_~i~4 328), 153753#(<= ULTIMATE.start_main_~i~4 330), 153758#(<= ULTIMATE.start_main_~i~4 340), 153759#(<= ULTIMATE.start_main_~i~4 342), 153756#(<= ULTIMATE.start_main_~i~4 336), 153757#(<= ULTIMATE.start_main_~i~4 338), 153762#(<= ULTIMATE.start_main_~i~4 348), 153763#(<= ULTIMATE.start_main_~i~4 350), 153760#(<= ULTIMATE.start_main_~i~4 344), 153761#(<= ULTIMATE.start_main_~i~4 346), 153766#(<= ULTIMATE.start_main_~i~4 356), 153767#(<= ULTIMATE.start_main_~i~4 358), 153764#(<= ULTIMATE.start_main_~i~4 352), 153765#(<= ULTIMATE.start_main_~i~4 354), 153770#(<= ULTIMATE.start_main_~i~4 364), 153771#(<= ULTIMATE.start_main_~i~4 366), 153768#(<= ULTIMATE.start_main_~i~4 360), 153769#(<= ULTIMATE.start_main_~i~4 362), 153774#(<= ULTIMATE.start_main_~i~4 372), 153775#(<= ULTIMATE.start_main_~i~4 374), 153772#(<= ULTIMATE.start_main_~i~4 368), 153773#(<= ULTIMATE.start_main_~i~4 370), 153778#(<= ULTIMATE.start_main_~i~4 380), 153779#(<= ULTIMATE.start_main_~i~4 382), 153776#(<= ULTIMATE.start_main_~i~4 376), 153777#(<= ULTIMATE.start_main_~i~4 378), 153782#(<= ULTIMATE.start_main_~i~4 388), 153783#(<= ULTIMATE.start_main_~i~4 390), 153780#(<= ULTIMATE.start_main_~i~4 384), 153781#(<= ULTIMATE.start_main_~i~4 386), 153786#(<= ULTIMATE.start_main_~i~4 396), 153787#(<= ULTIMATE.start_main_~i~4 398), 153784#(<= ULTIMATE.start_main_~i~4 392), 153785#(<= ULTIMATE.start_main_~i~4 394), 153790#(<= ULTIMATE.start_main_~i~4 404), 153791#(<= ULTIMATE.start_main_~i~4 406), 153788#(<= ULTIMATE.start_main_~i~4 400), 153789#(<= ULTIMATE.start_main_~i~4 402), 153794#(<= ULTIMATE.start_main_~i~4 412), 153795#(<= ULTIMATE.start_main_~i~4 414), 153792#(<= ULTIMATE.start_main_~i~4 408), 153793#(<= ULTIMATE.start_main_~i~4 410), 153798#(<= ULTIMATE.start_main_~i~4 420), 153799#(<= ULTIMATE.start_main_~i~4 422), 153796#(<= ULTIMATE.start_main_~i~4 416), 153797#(<= ULTIMATE.start_main_~i~4 418), 153802#(<= ULTIMATE.start_main_~i~4 428), 153803#(<= ULTIMATE.start_main_~i~4 430), 153800#(<= ULTIMATE.start_main_~i~4 424), 153801#(<= ULTIMATE.start_main_~i~4 426), 153806#(<= ULTIMATE.start_main_~i~4 436), 153807#(<= ULTIMATE.start_main_~i~4 438), 153804#(<= ULTIMATE.start_main_~i~4 432), 153805#(<= ULTIMATE.start_main_~i~4 434), 153810#(<= ULTIMATE.start_main_~i~4 444), 153811#(<= ULTIMATE.start_main_~i~4 446), 153808#(<= ULTIMATE.start_main_~i~4 440), 153809#(<= ULTIMATE.start_main_~i~4 442), 153814#(<= ULTIMATE.start_main_~i~4 452), 153815#(<= ULTIMATE.start_main_~i~4 454), 153812#(<= ULTIMATE.start_main_~i~4 448), 153813#(<= ULTIMATE.start_main_~i~4 450), 153818#(<= ULTIMATE.start_main_~i~4 460), 153819#(<= ULTIMATE.start_main_~i~4 462), 153816#(<= ULTIMATE.start_main_~i~4 456), 153817#(<= ULTIMATE.start_main_~i~4 458), 153822#(<= ULTIMATE.start_main_~i~4 468), 153823#(<= ULTIMATE.start_main_~i~4 470), 153820#(<= ULTIMATE.start_main_~i~4 464), 153821#(<= ULTIMATE.start_main_~i~4 466), 153826#(<= ULTIMATE.start_main_~i~4 476), 153827#(<= ULTIMATE.start_main_~i~4 478), 153824#(<= ULTIMATE.start_main_~i~4 472), 153825#(<= ULTIMATE.start_main_~i~4 474), 153830#(<= ULTIMATE.start_main_~i~4 484), 153831#(<= ULTIMATE.start_main_~i~4 486), 153828#(<= ULTIMATE.start_main_~i~4 480), 153829#(<= ULTIMATE.start_main_~i~4 482), 153586#true, 153587#false, 153590#(<= ULTIMATE.start_main_~i~4 4), 153591#(<= ULTIMATE.start_main_~i~4 6), 153588#(<= ULTIMATE.start_main_~i~4 0), 153589#(<= ULTIMATE.start_main_~i~4 2), 153594#(<= ULTIMATE.start_main_~i~4 12), 153595#(<= ULTIMATE.start_main_~i~4 14), 153592#(<= ULTIMATE.start_main_~i~4 8), 153593#(<= ULTIMATE.start_main_~i~4 10), 153598#(<= ULTIMATE.start_main_~i~4 20), 153599#(<= ULTIMATE.start_main_~i~4 22), 153596#(<= ULTIMATE.start_main_~i~4 16), 153597#(<= ULTIMATE.start_main_~i~4 18)] [2018-07-23 13:41:21,055 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 13:41:21,055 INFO L450 AbstractCegarLoop]: Interpolant automaton has 246 states [2018-07-23 13:41:21,060 INFO L132 InterpolantAutomaton]: Constructing interpolant automaton starting with 246 interpolants. [2018-07-23 13:41:21,063 INFO L133 InterpolantAutomaton]: CoverageRelationStatistics Valid=30135, Invalid=30135, Unknown=0, NotChecked=0, Total=60270 [2018-07-23 13:41:21,064 INFO L87 Difference]: Start difference. First operand 247 states and 247 transitions. Second operand 246 states. [2018-07-23 13:41:23,254 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2018-07-23 13:41:23,254 INFO L93 Difference]: Finished difference Result 250 states and 250 transitions. [2018-07-23 13:41:23,254 INFO L142 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 246 states. [2018-07-23 13:41:23,254 INFO L78 Accepts]: Start accepts. Automaton has 246 states. Word has length 246 [2018-07-23 13:41:23,255 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2018-07-23 13:41:23,255 INFO L225 Difference]: With dead ends: 250 [2018-07-23 13:41:23,255 INFO L226 Difference]: Without dead ends: 248 [2018-07-23 13:41:23,258 INFO L575 BasicCegarLoop]: 0 DeclaredPredicates, 245 GetRequests, 1 SyntacticMatches, 0 SemanticMatches, 244 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 0 ImplicationChecksByTransitivity, 1.3s TimeCoverageRelationStatistics Valid=30135, Invalid=30135, Unknown=0, NotChecked=0, Total=60270 [2018-07-23 13:41:23,258 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 248 states. [2018-07-23 13:41:23,260 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 248 to 248. [2018-07-23 13:41:23,261 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 248 states. [2018-07-23 13:41:23,261 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 248 states to 248 states and 248 transitions. [2018-07-23 13:41:23,261 INFO L78 Accepts]: Start accepts. Automaton has 248 states and 248 transitions. Word has length 246 [2018-07-23 13:41:23,261 INFO L84 Accepts]: Finished accepts. word is rejected. [2018-07-23 13:41:23,261 INFO L471 AbstractCegarLoop]: Abstraction has 248 states and 248 transitions. [2018-07-23 13:41:23,261 INFO L472 AbstractCegarLoop]: Interpolant automaton has 246 states. [2018-07-23 13:41:23,261 INFO L276 IsEmpty]: Start isEmpty. Operand 248 states and 248 transitions. [2018-07-23 13:41:23,262 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 248 [2018-07-23 13:41:23,262 INFO L349 BasicCegarLoop]: Found error trace [2018-07-23 13:41:23,262 INFO L357 BasicCegarLoop]: trace histogram [244, 1, 1, 1] [2018-07-23 13:41:23,262 INFO L414 AbstractCegarLoop]: === Iteration 245 === [ULTIMATE.startErr0AssertViolationASSERT]=== [2018-07-23 13:41:23,262 INFO L82 PathProgramCache]: Analyzing trace with hash -340369407, now seen corresponding path program 244 times [2018-07-23 13:41:23,263 INFO L69 tionRefinementEngine]: Using refinement strategy FixedRefinementStrategy [2018-07-23 13:41:23,715 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-07-23 13:41:25,224 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 13:41:25,224 INFO L309 seRefinementStrategy]: Constructing automaton from 0 perfect and 1 imperfect interpolant sequences. [2018-07-23 13:41:25,224 INFO L324 seRefinementStrategy]: Number of different interpolants: perfect sequences [] imperfect sequences [246] total 246 [2018-07-23 13:41:25,224 INFO L142 lantAutomatonBuilder]: Constructing canonical interpolant automaton, with selfloop in false state [2018-07-23 13:41:25,225 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2018-07-23 13:41:25,225 INFO L185 omatonBuilderFactory]: Interpolants [154830#(<= ULTIMATE.start_main_~i~4 0), 154831#(<= ULTIMATE.start_main_~i~4 2), 154828#true, 154829#false, 154834#(<= ULTIMATE.start_main_~i~4 8), 154835#(<= ULTIMATE.start_main_~i~4 10), 154832#(<= ULTIMATE.start_main_~i~4 4), 154833#(<= ULTIMATE.start_main_~i~4 6), 154838#(<= ULTIMATE.start_main_~i~4 16), 154839#(<= ULTIMATE.start_main_~i~4 18), 154836#(<= ULTIMATE.start_main_~i~4 12), 154837#(<= ULTIMATE.start_main_~i~4 14), 154842#(<= ULTIMATE.start_main_~i~4 24), 154843#(<= ULTIMATE.start_main_~i~4 26), 154840#(<= ULTIMATE.start_main_~i~4 20), 154841#(<= ULTIMATE.start_main_~i~4 22), 154846#(<= ULTIMATE.start_main_~i~4 32), 154847#(<= ULTIMATE.start_main_~i~4 34), 154844#(<= ULTIMATE.start_main_~i~4 28), 154845#(<= ULTIMATE.start_main_~i~4 30), 154850#(<= ULTIMATE.start_main_~i~4 40), 154851#(<= ULTIMATE.start_main_~i~4 42), 154848#(<= ULTIMATE.start_main_~i~4 36), 154849#(<= ULTIMATE.start_main_~i~4 38), 154854#(<= ULTIMATE.start_main_~i~4 48), 154855#(<= ULTIMATE.start_main_~i~4 50), 154852#(<= ULTIMATE.start_main_~i~4 44), 154853#(<= ULTIMATE.start_main_~i~4 46), 154858#(<= ULTIMATE.start_main_~i~4 56), 154859#(<= ULTIMATE.start_main_~i~4 58), 154856#(<= ULTIMATE.start_main_~i~4 52), 154857#(<= ULTIMATE.start_main_~i~4 54), 154862#(<= ULTIMATE.start_main_~i~4 64), 154863#(<= ULTIMATE.start_main_~i~4 66), 154860#(<= ULTIMATE.start_main_~i~4 60), 154861#(<= ULTIMATE.start_main_~i~4 62), 154866#(<= ULTIMATE.start_main_~i~4 72), 154867#(<= ULTIMATE.start_main_~i~4 74), 154864#(<= ULTIMATE.start_main_~i~4 68), 154865#(<= ULTIMATE.start_main_~i~4 70), 154870#(<= ULTIMATE.start_main_~i~4 80), 154871#(<= ULTIMATE.start_main_~i~4 82), 154868#(<= ULTIMATE.start_main_~i~4 76), 154869#(<= ULTIMATE.start_main_~i~4 78), 154874#(<= ULTIMATE.start_main_~i~4 88), 154875#(<= ULTIMATE.start_main_~i~4 90), 154872#(<= ULTIMATE.start_main_~i~4 84), 154873#(<= ULTIMATE.start_main_~i~4 86), 154878#(<= ULTIMATE.start_main_~i~4 96), 154879#(<= ULTIMATE.start_main_~i~4 98), 154876#(<= ULTIMATE.start_main_~i~4 92), 154877#(<= ULTIMATE.start_main_~i~4 94), 154882#(<= ULTIMATE.start_main_~i~4 104), 154883#(<= ULTIMATE.start_main_~i~4 106), 154880#(<= ULTIMATE.start_main_~i~4 100), 154881#(<= ULTIMATE.start_main_~i~4 102), 154886#(<= ULTIMATE.start_main_~i~4 112), 154887#(<= ULTIMATE.start_main_~i~4 114), 154884#(<= ULTIMATE.start_main_~i~4 108), 154885#(<= ULTIMATE.start_main_~i~4 110), 154890#(<= ULTIMATE.start_main_~i~4 120), 154891#(<= ULTIMATE.start_main_~i~4 122), 154888#(<= ULTIMATE.start_main_~i~4 116), 154889#(<= ULTIMATE.start_main_~i~4 118), 154894#(<= ULTIMATE.start_main_~i~4 128), 154895#(<= ULTIMATE.start_main_~i~4 130), 154892#(<= ULTIMATE.start_main_~i~4 124), 154893#(<= ULTIMATE.start_main_~i~4 126), 154898#(<= ULTIMATE.start_main_~i~4 136), 154899#(<= ULTIMATE.start_main_~i~4 138), 154896#(<= ULTIMATE.start_main_~i~4 132), 154897#(<= ULTIMATE.start_main_~i~4 134), 154902#(<= ULTIMATE.start_main_~i~4 144), 154903#(<= ULTIMATE.start_main_~i~4 146), 154900#(<= ULTIMATE.start_main_~i~4 140), 154901#(<= ULTIMATE.start_main_~i~4 142), 154906#(<= ULTIMATE.start_main_~i~4 152), 154907#(<= ULTIMATE.start_main_~i~4 154), 154904#(<= ULTIMATE.start_main_~i~4 148), 154905#(<= ULTIMATE.start_main_~i~4 150), 154910#(<= ULTIMATE.start_main_~i~4 160), 154911#(<= ULTIMATE.start_main_~i~4 162), 154908#(<= ULTIMATE.start_main_~i~4 156), 154909#(<= ULTIMATE.start_main_~i~4 158), 154914#(<= ULTIMATE.start_main_~i~4 168), 154915#(<= ULTIMATE.start_main_~i~4 170), 154912#(<= ULTIMATE.start_main_~i~4 164), 154913#(<= ULTIMATE.start_main_~i~4 166), 154918#(<= ULTIMATE.start_main_~i~4 176), 154919#(<= ULTIMATE.start_main_~i~4 178), 154916#(<= ULTIMATE.start_main_~i~4 172), 154917#(<= ULTIMATE.start_main_~i~4 174), 154922#(<= ULTIMATE.start_main_~i~4 184), 154923#(<= ULTIMATE.start_main_~i~4 186), 154920#(<= ULTIMATE.start_main_~i~4 180), 154921#(<= ULTIMATE.start_main_~i~4 182), 154926#(<= ULTIMATE.start_main_~i~4 192), 154927#(<= ULTIMATE.start_main_~i~4 194), 154924#(<= ULTIMATE.start_main_~i~4 188), 154925#(<= ULTIMATE.start_main_~i~4 190), 154930#(<= ULTIMATE.start_main_~i~4 200), 154931#(<= ULTIMATE.start_main_~i~4 202), 154928#(<= ULTIMATE.start_main_~i~4 196), 154929#(<= ULTIMATE.start_main_~i~4 198), 154934#(<= ULTIMATE.start_main_~i~4 208), 154935#(<= ULTIMATE.start_main_~i~4 210), 154932#(<= ULTIMATE.start_main_~i~4 204), 154933#(<= ULTIMATE.start_main_~i~4 206), 154938#(<= ULTIMATE.start_main_~i~4 216), 154939#(<= ULTIMATE.start_main_~i~4 218), 154936#(<= ULTIMATE.start_main_~i~4 212), 154937#(<= ULTIMATE.start_main_~i~4 214), 154942#(<= ULTIMATE.start_main_~i~4 224), 154943#(<= ULTIMATE.start_main_~i~4 226), 154940#(<= ULTIMATE.start_main_~i~4 220), 154941#(<= ULTIMATE.start_main_~i~4 222), 154946#(<= ULTIMATE.start_main_~i~4 232), 154947#(<= ULTIMATE.start_main_~i~4 234), 154944#(<= ULTIMATE.start_main_~i~4 228), 154945#(<= ULTIMATE.start_main_~i~4 230), 154950#(<= ULTIMATE.start_main_~i~4 240), 154951#(<= ULTIMATE.start_main_~i~4 242), 154948#(<= ULTIMATE.start_main_~i~4 236), 154949#(<= ULTIMATE.start_main_~i~4 238), 154954#(<= ULTIMATE.start_main_~i~4 248), 154955#(<= ULTIMATE.start_main_~i~4 250), 154952#(<= ULTIMATE.start_main_~i~4 244), 154953#(<= ULTIMATE.start_main_~i~4 246), 154958#(<= ULTIMATE.start_main_~i~4 256), 154959#(<= ULTIMATE.start_main_~i~4 258), 154956#(<= ULTIMATE.start_main_~i~4 252), 154957#(<= ULTIMATE.start_main_~i~4 254), 154962#(<= ULTIMATE.start_main_~i~4 264), 154963#(<= ULTIMATE.start_main_~i~4 266), 154960#(<= ULTIMATE.start_main_~i~4 260), 154961#(<= ULTIMATE.start_main_~i~4 262), 154966#(<= ULTIMATE.start_main_~i~4 272), 154967#(<= ULTIMATE.start_main_~i~4 274), 154964#(<= ULTIMATE.start_main_~i~4 268), 154965#(<= ULTIMATE.start_main_~i~4 270), 154970#(<= ULTIMATE.start_main_~i~4 280), 154971#(<= ULTIMATE.start_main_~i~4 282), 154968#(<= ULTIMATE.start_main_~i~4 276), 154969#(<= ULTIMATE.start_main_~i~4 278), 154974#(<= ULTIMATE.start_main_~i~4 288), 154975#(<= ULTIMATE.start_main_~i~4 290), 154972#(<= ULTIMATE.start_main_~i~4 284), 154973#(<= ULTIMATE.start_main_~i~4 286), 154978#(<= ULTIMATE.start_main_~i~4 296), 154979#(<= ULTIMATE.start_main_~i~4 298), 154976#(<= ULTIMATE.start_main_~i~4 292), 154977#(<= ULTIMATE.start_main_~i~4 294), 154982#(<= ULTIMATE.start_main_~i~4 304), 154983#(<= ULTIMATE.start_main_~i~4 306), 154980#(<= ULTIMATE.start_main_~i~4 300), 154981#(<= ULTIMATE.start_main_~i~4 302), 154986#(<= ULTIMATE.start_main_~i~4 312), 154987#(<= ULTIMATE.start_main_~i~4 314), 154984#(<= ULTIMATE.start_main_~i~4 308), 154985#(<= ULTIMATE.start_main_~i~4 310), 154990#(<= ULTIMATE.start_main_~i~4 320), 154991#(<= ULTIMATE.start_main_~i~4 322), 154988#(<= ULTIMATE.start_main_~i~4 316), 154989#(<= ULTIMATE.start_main_~i~4 318), 154994#(<= ULTIMATE.start_main_~i~4 328), 154995#(<= ULTIMATE.start_main_~i~4 330), 154992#(<= ULTIMATE.start_main_~i~4 324), 154993#(<= ULTIMATE.start_main_~i~4 326), 154998#(<= ULTIMATE.start_main_~i~4 336), 154999#(<= ULTIMATE.start_main_~i~4 338), 154996#(<= ULTIMATE.start_main_~i~4 332), 154997#(<= ULTIMATE.start_main_~i~4 334), 155002#(<= ULTIMATE.start_main_~i~4 344), 155003#(<= ULTIMATE.start_main_~i~4 346), 155000#(<= ULTIMATE.start_main_~i~4 340), 155001#(<= ULTIMATE.start_main_~i~4 342), 155006#(<= ULTIMATE.start_main_~i~4 352), 155007#(<= ULTIMATE.start_main_~i~4 354), 155004#(<= ULTIMATE.start_main_~i~4 348), 155005#(<= ULTIMATE.start_main_~i~4 350), 155010#(<= ULTIMATE.start_main_~i~4 360), 155011#(<= ULTIMATE.start_main_~i~4 362), 155008#(<= ULTIMATE.start_main_~i~4 356), 155009#(<= ULTIMATE.start_main_~i~4 358), 155014#(<= ULTIMATE.start_main_~i~4 368), 155015#(<= ULTIMATE.start_main_~i~4 370), 155012#(<= ULTIMATE.start_main_~i~4 364), 155013#(<= ULTIMATE.start_main_~i~4 366), 155018#(<= ULTIMATE.start_main_~i~4 376), 155019#(<= ULTIMATE.start_main_~i~4 378), 155016#(<= ULTIMATE.start_main_~i~4 372), 155017#(<= ULTIMATE.start_main_~i~4 374), 155022#(<= ULTIMATE.start_main_~i~4 384), 155023#(<= ULTIMATE.start_main_~i~4 386), 155020#(<= ULTIMATE.start_main_~i~4 380), 155021#(<= ULTIMATE.start_main_~i~4 382), 155026#(<= ULTIMATE.start_main_~i~4 392), 155027#(<= ULTIMATE.start_main_~i~4 394), 155024#(<= ULTIMATE.start_main_~i~4 388), 155025#(<= ULTIMATE.start_main_~i~4 390), 155030#(<= ULTIMATE.start_main_~i~4 400), 155031#(<= ULTIMATE.start_main_~i~4 402), 155028#(<= ULTIMATE.start_main_~i~4 396), 155029#(<= ULTIMATE.start_main_~i~4 398), 155034#(<= ULTIMATE.start_main_~i~4 408), 155035#(<= ULTIMATE.start_main_~i~4 410), 155032#(<= ULTIMATE.start_main_~i~4 404), 155033#(<= ULTIMATE.start_main_~i~4 406), 155038#(<= ULTIMATE.start_main_~i~4 416), 155039#(<= ULTIMATE.start_main_~i~4 418), 155036#(<= ULTIMATE.start_main_~i~4 412), 155037#(<= ULTIMATE.start_main_~i~4 414), 155042#(<= ULTIMATE.start_main_~i~4 424), 155043#(<= ULTIMATE.start_main_~i~4 426), 155040#(<= ULTIMATE.start_main_~i~4 420), 155041#(<= ULTIMATE.start_main_~i~4 422), 155046#(<= ULTIMATE.start_main_~i~4 432), 155047#(<= ULTIMATE.start_main_~i~4 434), 155044#(<= ULTIMATE.start_main_~i~4 428), 155045#(<= ULTIMATE.start_main_~i~4 430), 155050#(<= ULTIMATE.start_main_~i~4 440), 155051#(<= ULTIMATE.start_main_~i~4 442), 155048#(<= ULTIMATE.start_main_~i~4 436), 155049#(<= ULTIMATE.start_main_~i~4 438), 155054#(<= ULTIMATE.start_main_~i~4 448), 155055#(<= ULTIMATE.start_main_~i~4 450), 155052#(<= ULTIMATE.start_main_~i~4 444), 155053#(<= ULTIMATE.start_main_~i~4 446), 155058#(<= ULTIMATE.start_main_~i~4 456), 155059#(<= ULTIMATE.start_main_~i~4 458), 155056#(<= ULTIMATE.start_main_~i~4 452), 155057#(<= ULTIMATE.start_main_~i~4 454), 155062#(<= ULTIMATE.start_main_~i~4 464), 155063#(<= ULTIMATE.start_main_~i~4 466), 155060#(<= ULTIMATE.start_main_~i~4 460), 155061#(<= ULTIMATE.start_main_~i~4 462), 155066#(<= ULTIMATE.start_main_~i~4 472), 155067#(<= ULTIMATE.start_main_~i~4 474), 155064#(<= ULTIMATE.start_main_~i~4 468), 155065#(<= ULTIMATE.start_main_~i~4 470), 155070#(<= ULTIMATE.start_main_~i~4 480), 155071#(<= ULTIMATE.start_main_~i~4 482), 155068#(<= ULTIMATE.start_main_~i~4 476), 155069#(<= ULTIMATE.start_main_~i~4 478), 155074#(<= ULTIMATE.start_main_~i~4 488), 155072#(<= ULTIMATE.start_main_~i~4 484), 155073#(<= ULTIMATE.start_main_~i~4 486)] [2018-07-23 13:41:25,226 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 13:41:25,227 INFO L450 AbstractCegarLoop]: Interpolant automaton has 247 states [2018-07-23 13:41:25,231 INFO L132 InterpolantAutomaton]: Constructing interpolant automaton starting with 247 interpolants. [2018-07-23 13:41:25,233 INFO L133 InterpolantAutomaton]: CoverageRelationStatistics Valid=30381, Invalid=30381, Unknown=0, NotChecked=0, Total=60762 [2018-07-23 13:41:25,233 INFO L87 Difference]: Start difference. First operand 248 states and 248 transitions. Second operand 247 states. [2018-07-23 13:41:27,238 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2018-07-23 13:41:27,238 INFO L93 Difference]: Finished difference Result 251 states and 251 transitions. [2018-07-23 13:41:27,238 INFO L142 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 247 states. [2018-07-23 13:41:27,238 INFO L78 Accepts]: Start accepts. Automaton has 247 states. Word has length 247 [2018-07-23 13:41:27,239 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2018-07-23 13:41:27,239 INFO L225 Difference]: With dead ends: 251 [2018-07-23 13:41:27,239 INFO L226 Difference]: Without dead ends: 249 [2018-07-23 13:41:27,241 INFO L575 BasicCegarLoop]: 0 DeclaredPredicates, 246 GetRequests, 1 SyntacticMatches, 0 SemanticMatches, 245 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 0 ImplicationChecksByTransitivity, 1.3s TimeCoverageRelationStatistics Valid=30381, Invalid=30381, Unknown=0, NotChecked=0, Total=60762 [2018-07-23 13:41:27,241 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 249 states. [2018-07-23 13:41:27,243 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 249 to 249. [2018-07-23 13:41:27,244 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 249 states. [2018-07-23 13:41:27,244 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 249 states to 249 states and 249 transitions. [2018-07-23 13:41:27,244 INFO L78 Accepts]: Start accepts. Automaton has 249 states and 249 transitions. Word has length 247 [2018-07-23 13:41:27,244 INFO L84 Accepts]: Finished accepts. word is rejected. [2018-07-23 13:41:27,244 INFO L471 AbstractCegarLoop]: Abstraction has 249 states and 249 transitions. [2018-07-23 13:41:27,244 INFO L472 AbstractCegarLoop]: Interpolant automaton has 247 states. [2018-07-23 13:41:27,244 INFO L276 IsEmpty]: Start isEmpty. Operand 249 states and 249 transitions. [2018-07-23 13:41:27,245 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 249 [2018-07-23 13:41:27,245 INFO L349 BasicCegarLoop]: Found error trace [2018-07-23 13:41:27,245 INFO L357 BasicCegarLoop]: trace histogram [245, 1, 1, 1] [2018-07-23 13:41:27,245 INFO L414 AbstractCegarLoop]: === Iteration 246 === [ULTIMATE.startErr0AssertViolationASSERT]=== [2018-07-23 13:41:27,245 INFO L82 PathProgramCache]: Analyzing trace with hash -1961519000, now seen corresponding path program 245 times [2018-07-23 13:41:27,245 INFO L69 tionRefinementEngine]: Using refinement strategy FixedRefinementStrategy [2018-07-23 13:41:27,667 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-07-23 13:41:29,206 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 13:41:29,207 INFO L309 seRefinementStrategy]: Constructing automaton from 0 perfect and 1 imperfect interpolant sequences. [2018-07-23 13:41:29,207 INFO L324 seRefinementStrategy]: Number of different interpolants: perfect sequences [] imperfect sequences [247] total 247 [2018-07-23 13:41:29,207 INFO L142 lantAutomatonBuilder]: Constructing canonical interpolant automaton, with selfloop in false state [2018-07-23 13:41:29,207 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2018-07-23 13:41:29,208 INFO L185 omatonBuilderFactory]: Interpolants [156162#(<= ULTIMATE.start_main_~i~4 170), 156163#(<= ULTIMATE.start_main_~i~4 172), 156160#(<= ULTIMATE.start_main_~i~4 166), 156161#(<= ULTIMATE.start_main_~i~4 168), 156166#(<= ULTIMATE.start_main_~i~4 178), 156167#(<= ULTIMATE.start_main_~i~4 180), 156164#(<= ULTIMATE.start_main_~i~4 174), 156165#(<= ULTIMATE.start_main_~i~4 176), 156170#(<= ULTIMATE.start_main_~i~4 186), 156171#(<= ULTIMATE.start_main_~i~4 188), 156168#(<= ULTIMATE.start_main_~i~4 182), 156169#(<= ULTIMATE.start_main_~i~4 184), 156174#(<= ULTIMATE.start_main_~i~4 194), 156175#(<= ULTIMATE.start_main_~i~4 196), 156172#(<= ULTIMATE.start_main_~i~4 190), 156173#(<= ULTIMATE.start_main_~i~4 192), 156178#(<= ULTIMATE.start_main_~i~4 202), 156179#(<= ULTIMATE.start_main_~i~4 204), 156176#(<= ULTIMATE.start_main_~i~4 198), 156177#(<= ULTIMATE.start_main_~i~4 200), 156182#(<= ULTIMATE.start_main_~i~4 210), 156183#(<= ULTIMATE.start_main_~i~4 212), 156180#(<= ULTIMATE.start_main_~i~4 206), 156181#(<= ULTIMATE.start_main_~i~4 208), 156186#(<= ULTIMATE.start_main_~i~4 218), 156187#(<= ULTIMATE.start_main_~i~4 220), 156184#(<= ULTIMATE.start_main_~i~4 214), 156185#(<= ULTIMATE.start_main_~i~4 216), 156190#(<= ULTIMATE.start_main_~i~4 226), 156191#(<= ULTIMATE.start_main_~i~4 228), 156188#(<= ULTIMATE.start_main_~i~4 222), 156189#(<= ULTIMATE.start_main_~i~4 224), 156194#(<= ULTIMATE.start_main_~i~4 234), 156195#(<= ULTIMATE.start_main_~i~4 236), 156192#(<= ULTIMATE.start_main_~i~4 230), 156193#(<= ULTIMATE.start_main_~i~4 232), 156198#(<= ULTIMATE.start_main_~i~4 242), 156199#(<= ULTIMATE.start_main_~i~4 244), 156196#(<= ULTIMATE.start_main_~i~4 238), 156197#(<= ULTIMATE.start_main_~i~4 240), 156202#(<= ULTIMATE.start_main_~i~4 250), 156203#(<= ULTIMATE.start_main_~i~4 252), 156200#(<= ULTIMATE.start_main_~i~4 246), 156201#(<= ULTIMATE.start_main_~i~4 248), 156206#(<= ULTIMATE.start_main_~i~4 258), 156207#(<= ULTIMATE.start_main_~i~4 260), 156204#(<= ULTIMATE.start_main_~i~4 254), 156205#(<= ULTIMATE.start_main_~i~4 256), 156210#(<= ULTIMATE.start_main_~i~4 266), 156211#(<= ULTIMATE.start_main_~i~4 268), 156208#(<= ULTIMATE.start_main_~i~4 262), 156209#(<= ULTIMATE.start_main_~i~4 264), 156214#(<= ULTIMATE.start_main_~i~4 274), 156215#(<= ULTIMATE.start_main_~i~4 276), 156212#(<= ULTIMATE.start_main_~i~4 270), 156213#(<= ULTIMATE.start_main_~i~4 272), 156218#(<= ULTIMATE.start_main_~i~4 282), 156219#(<= ULTIMATE.start_main_~i~4 284), 156216#(<= ULTIMATE.start_main_~i~4 278), 156217#(<= ULTIMATE.start_main_~i~4 280), 156222#(<= ULTIMATE.start_main_~i~4 290), 156223#(<= ULTIMATE.start_main_~i~4 292), 156220#(<= ULTIMATE.start_main_~i~4 286), 156221#(<= ULTIMATE.start_main_~i~4 288), 156226#(<= ULTIMATE.start_main_~i~4 298), 156227#(<= ULTIMATE.start_main_~i~4 300), 156224#(<= ULTIMATE.start_main_~i~4 294), 156225#(<= ULTIMATE.start_main_~i~4 296), 156230#(<= ULTIMATE.start_main_~i~4 306), 156231#(<= ULTIMATE.start_main_~i~4 308), 156228#(<= ULTIMATE.start_main_~i~4 302), 156229#(<= ULTIMATE.start_main_~i~4 304), 156234#(<= ULTIMATE.start_main_~i~4 314), 156235#(<= ULTIMATE.start_main_~i~4 316), 156232#(<= ULTIMATE.start_main_~i~4 310), 156233#(<= ULTIMATE.start_main_~i~4 312), 156238#(<= ULTIMATE.start_main_~i~4 322), 156239#(<= ULTIMATE.start_main_~i~4 324), 156236#(<= ULTIMATE.start_main_~i~4 318), 156237#(<= ULTIMATE.start_main_~i~4 320), 156242#(<= ULTIMATE.start_main_~i~4 330), 156243#(<= ULTIMATE.start_main_~i~4 332), 156240#(<= ULTIMATE.start_main_~i~4 326), 156241#(<= ULTIMATE.start_main_~i~4 328), 156246#(<= ULTIMATE.start_main_~i~4 338), 156247#(<= ULTIMATE.start_main_~i~4 340), 156244#(<= ULTIMATE.start_main_~i~4 334), 156245#(<= ULTIMATE.start_main_~i~4 336), 156250#(<= ULTIMATE.start_main_~i~4 346), 156251#(<= ULTIMATE.start_main_~i~4 348), 156248#(<= ULTIMATE.start_main_~i~4 342), 156249#(<= ULTIMATE.start_main_~i~4 344), 156254#(<= ULTIMATE.start_main_~i~4 354), 156255#(<= ULTIMATE.start_main_~i~4 356), 156252#(<= ULTIMATE.start_main_~i~4 350), 156253#(<= ULTIMATE.start_main_~i~4 352), 156258#(<= ULTIMATE.start_main_~i~4 362), 156259#(<= ULTIMATE.start_main_~i~4 364), 156256#(<= ULTIMATE.start_main_~i~4 358), 156257#(<= ULTIMATE.start_main_~i~4 360), 156262#(<= ULTIMATE.start_main_~i~4 370), 156263#(<= ULTIMATE.start_main_~i~4 372), 156260#(<= ULTIMATE.start_main_~i~4 366), 156261#(<= ULTIMATE.start_main_~i~4 368), 156266#(<= ULTIMATE.start_main_~i~4 378), 156267#(<= ULTIMATE.start_main_~i~4 380), 156264#(<= ULTIMATE.start_main_~i~4 374), 156265#(<= ULTIMATE.start_main_~i~4 376), 156270#(<= ULTIMATE.start_main_~i~4 386), 156271#(<= ULTIMATE.start_main_~i~4 388), 156268#(<= ULTIMATE.start_main_~i~4 382), 156269#(<= ULTIMATE.start_main_~i~4 384), 156274#(<= ULTIMATE.start_main_~i~4 394), 156275#(<= ULTIMATE.start_main_~i~4 396), 156272#(<= ULTIMATE.start_main_~i~4 390), 156273#(<= ULTIMATE.start_main_~i~4 392), 156278#(<= ULTIMATE.start_main_~i~4 402), 156279#(<= ULTIMATE.start_main_~i~4 404), 156276#(<= ULTIMATE.start_main_~i~4 398), 156277#(<= ULTIMATE.start_main_~i~4 400), 156282#(<= ULTIMATE.start_main_~i~4 410), 156283#(<= ULTIMATE.start_main_~i~4 412), 156280#(<= ULTIMATE.start_main_~i~4 406), 156281#(<= ULTIMATE.start_main_~i~4 408), 156286#(<= ULTIMATE.start_main_~i~4 418), 156287#(<= ULTIMATE.start_main_~i~4 420), 156284#(<= ULTIMATE.start_main_~i~4 414), 156285#(<= ULTIMATE.start_main_~i~4 416), 156290#(<= ULTIMATE.start_main_~i~4 426), 156291#(<= ULTIMATE.start_main_~i~4 428), 156288#(<= ULTIMATE.start_main_~i~4 422), 156289#(<= ULTIMATE.start_main_~i~4 424), 156294#(<= ULTIMATE.start_main_~i~4 434), 156295#(<= ULTIMATE.start_main_~i~4 436), 156292#(<= ULTIMATE.start_main_~i~4 430), 156293#(<= ULTIMATE.start_main_~i~4 432), 156298#(<= ULTIMATE.start_main_~i~4 442), 156299#(<= ULTIMATE.start_main_~i~4 444), 156296#(<= ULTIMATE.start_main_~i~4 438), 156297#(<= ULTIMATE.start_main_~i~4 440), 156302#(<= ULTIMATE.start_main_~i~4 450), 156303#(<= ULTIMATE.start_main_~i~4 452), 156300#(<= ULTIMATE.start_main_~i~4 446), 156301#(<= ULTIMATE.start_main_~i~4 448), 156306#(<= ULTIMATE.start_main_~i~4 458), 156307#(<= ULTIMATE.start_main_~i~4 460), 156304#(<= ULTIMATE.start_main_~i~4 454), 156305#(<= ULTIMATE.start_main_~i~4 456), 156310#(<= ULTIMATE.start_main_~i~4 466), 156311#(<= ULTIMATE.start_main_~i~4 468), 156308#(<= ULTIMATE.start_main_~i~4 462), 156309#(<= ULTIMATE.start_main_~i~4 464), 156314#(<= ULTIMATE.start_main_~i~4 474), 156315#(<= ULTIMATE.start_main_~i~4 476), 156312#(<= ULTIMATE.start_main_~i~4 470), 156313#(<= ULTIMATE.start_main_~i~4 472), 156318#(<= ULTIMATE.start_main_~i~4 482), 156319#(<= ULTIMATE.start_main_~i~4 484), 156316#(<= ULTIMATE.start_main_~i~4 478), 156317#(<= ULTIMATE.start_main_~i~4 480), 156322#(<= ULTIMATE.start_main_~i~4 490), 156320#(<= ULTIMATE.start_main_~i~4 486), 156321#(<= ULTIMATE.start_main_~i~4 488), 156075#true, 156078#(<= ULTIMATE.start_main_~i~4 2), 156079#(<= ULTIMATE.start_main_~i~4 4), 156076#false, 156077#(<= ULTIMATE.start_main_~i~4 0), 156082#(<= ULTIMATE.start_main_~i~4 10), 156083#(<= ULTIMATE.start_main_~i~4 12), 156080#(<= ULTIMATE.start_main_~i~4 6), 156081#(<= ULTIMATE.start_main_~i~4 8), 156086#(<= ULTIMATE.start_main_~i~4 18), 156087#(<= ULTIMATE.start_main_~i~4 20), 156084#(<= ULTIMATE.start_main_~i~4 14), 156085#(<= ULTIMATE.start_main_~i~4 16), 156090#(<= ULTIMATE.start_main_~i~4 26), 156091#(<= ULTIMATE.start_main_~i~4 28), 156088#(<= ULTIMATE.start_main_~i~4 22), 156089#(<= ULTIMATE.start_main_~i~4 24), 156094#(<= ULTIMATE.start_main_~i~4 34), 156095#(<= ULTIMATE.start_main_~i~4 36), 156092#(<= ULTIMATE.start_main_~i~4 30), 156093#(<= ULTIMATE.start_main_~i~4 32), 156098#(<= ULTIMATE.start_main_~i~4 42), 156099#(<= ULTIMATE.start_main_~i~4 44), 156096#(<= ULTIMATE.start_main_~i~4 38), 156097#(<= ULTIMATE.start_main_~i~4 40), 156102#(<= ULTIMATE.start_main_~i~4 50), 156103#(<= ULTIMATE.start_main_~i~4 52), 156100#(<= ULTIMATE.start_main_~i~4 46), 156101#(<= ULTIMATE.start_main_~i~4 48), 156106#(<= ULTIMATE.start_main_~i~4 58), 156107#(<= ULTIMATE.start_main_~i~4 60), 156104#(<= ULTIMATE.start_main_~i~4 54), 156105#(<= ULTIMATE.start_main_~i~4 56), 156110#(<= ULTIMATE.start_main_~i~4 66), 156111#(<= ULTIMATE.start_main_~i~4 68), 156108#(<= ULTIMATE.start_main_~i~4 62), 156109#(<= ULTIMATE.start_main_~i~4 64), 156114#(<= ULTIMATE.start_main_~i~4 74), 156115#(<= ULTIMATE.start_main_~i~4 76), 156112#(<= ULTIMATE.start_main_~i~4 70), 156113#(<= ULTIMATE.start_main_~i~4 72), 156118#(<= ULTIMATE.start_main_~i~4 82), 156119#(<= ULTIMATE.start_main_~i~4 84), 156116#(<= ULTIMATE.start_main_~i~4 78), 156117#(<= ULTIMATE.start_main_~i~4 80), 156122#(<= ULTIMATE.start_main_~i~4 90), 156123#(<= ULTIMATE.start_main_~i~4 92), 156120#(<= ULTIMATE.start_main_~i~4 86), 156121#(<= ULTIMATE.start_main_~i~4 88), 156126#(<= ULTIMATE.start_main_~i~4 98), 156127#(<= ULTIMATE.start_main_~i~4 100), 156124#(<= ULTIMATE.start_main_~i~4 94), 156125#(<= ULTIMATE.start_main_~i~4 96), 156130#(<= ULTIMATE.start_main_~i~4 106), 156131#(<= ULTIMATE.start_main_~i~4 108), 156128#(<= ULTIMATE.start_main_~i~4 102), 156129#(<= ULTIMATE.start_main_~i~4 104), 156134#(<= ULTIMATE.start_main_~i~4 114), 156135#(<= ULTIMATE.start_main_~i~4 116), 156132#(<= ULTIMATE.start_main_~i~4 110), 156133#(<= ULTIMATE.start_main_~i~4 112), 156138#(<= ULTIMATE.start_main_~i~4 122), 156139#(<= ULTIMATE.start_main_~i~4 124), 156136#(<= ULTIMATE.start_main_~i~4 118), 156137#(<= ULTIMATE.start_main_~i~4 120), 156142#(<= ULTIMATE.start_main_~i~4 130), 156143#(<= ULTIMATE.start_main_~i~4 132), 156140#(<= ULTIMATE.start_main_~i~4 126), 156141#(<= ULTIMATE.start_main_~i~4 128), 156146#(<= ULTIMATE.start_main_~i~4 138), 156147#(<= ULTIMATE.start_main_~i~4 140), 156144#(<= ULTIMATE.start_main_~i~4 134), 156145#(<= ULTIMATE.start_main_~i~4 136), 156150#(<= ULTIMATE.start_main_~i~4 146), 156151#(<= ULTIMATE.start_main_~i~4 148), 156148#(<= ULTIMATE.start_main_~i~4 142), 156149#(<= ULTIMATE.start_main_~i~4 144), 156154#(<= ULTIMATE.start_main_~i~4 154), 156155#(<= ULTIMATE.start_main_~i~4 156), 156152#(<= ULTIMATE.start_main_~i~4 150), 156153#(<= ULTIMATE.start_main_~i~4 152), 156158#(<= ULTIMATE.start_main_~i~4 162), 156159#(<= ULTIMATE.start_main_~i~4 164), 156156#(<= ULTIMATE.start_main_~i~4 158), 156157#(<= ULTIMATE.start_main_~i~4 160)] [2018-07-23 13:41:29,209 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 13:41:29,209 INFO L450 AbstractCegarLoop]: Interpolant automaton has 248 states [2018-07-23 13:41:29,211 INFO L132 InterpolantAutomaton]: Constructing interpolant automaton starting with 248 interpolants. [2018-07-23 13:41:29,212 INFO L133 InterpolantAutomaton]: CoverageRelationStatistics Valid=30628, Invalid=30628, Unknown=0, NotChecked=0, Total=61256 [2018-07-23 13:41:29,212 INFO L87 Difference]: Start difference. First operand 249 states and 249 transitions. Second operand 248 states. [2018-07-23 13:41:30,208 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2018-07-23 13:41:30,208 INFO L93 Difference]: Finished difference Result 252 states and 252 transitions. [2018-07-23 13:41:30,208 INFO L142 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 248 states. [2018-07-23 13:41:30,208 INFO L78 Accepts]: Start accepts. Automaton has 248 states. Word has length 248 [2018-07-23 13:41:30,209 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2018-07-23 13:41:30,209 INFO L225 Difference]: With dead ends: 252 [2018-07-23 13:41:30,209 INFO L226 Difference]: Without dead ends: 250 [2018-07-23 13:41:30,210 INFO L575 BasicCegarLoop]: 0 DeclaredPredicates, 247 GetRequests, 1 SyntacticMatches, 0 SemanticMatches, 246 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 0 ImplicationChecksByTransitivity, 1.3s TimeCoverageRelationStatistics Valid=30628, Invalid=30628, Unknown=0, NotChecked=0, Total=61256 [2018-07-23 13:41:30,210 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 250 states. [2018-07-23 13:41:30,212 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 250 to 250. [2018-07-23 13:41:30,212 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 250 states. [2018-07-23 13:41:30,213 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 250 states to 250 states and 250 transitions. [2018-07-23 13:41:30,213 INFO L78 Accepts]: Start accepts. Automaton has 250 states and 250 transitions. Word has length 248 [2018-07-23 13:41:30,213 INFO L84 Accepts]: Finished accepts. word is rejected. [2018-07-23 13:41:30,213 INFO L471 AbstractCegarLoop]: Abstraction has 250 states and 250 transitions. [2018-07-23 13:41:30,213 INFO L472 AbstractCegarLoop]: Interpolant automaton has 248 states. [2018-07-23 13:41:30,213 INFO L276 IsEmpty]: Start isEmpty. Operand 250 states and 250 transitions. [2018-07-23 13:41:30,214 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 250 [2018-07-23 13:41:30,214 INFO L349 BasicCegarLoop]: Found error trace [2018-07-23 13:41:30,214 INFO L357 BasicCegarLoop]: trace histogram [246, 1, 1, 1] [2018-07-23 13:41:30,214 INFO L414 AbstractCegarLoop]: === Iteration 247 === [ULTIMATE.startErr0AssertViolationASSERT]=== [2018-07-23 13:41:30,214 INFO L82 PathProgramCache]: Analyzing trace with hash -677548831, now seen corresponding path program 246 times [2018-07-23 13:41:30,214 INFO L69 tionRefinementEngine]: Using refinement strategy FixedRefinementStrategy [2018-07-23 13:41:30,621 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-07-23 13:41:32,107 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 13:41:32,108 INFO L309 seRefinementStrategy]: Constructing automaton from 0 perfect and 1 imperfect interpolant sequences. [2018-07-23 13:41:32,108 INFO L324 seRefinementStrategy]: Number of different interpolants: perfect sequences [] imperfect sequences [248] total 248 [2018-07-23 13:41:32,108 INFO L142 lantAutomatonBuilder]: Constructing canonical interpolant automaton, with selfloop in false state [2018-07-23 13:41:32,108 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2018-07-23 13:41:32,108 INFO L185 omatonBuilderFactory]: Interpolants [157327#true, 157330#(<= ULTIMATE.start_main_~i~4 2), 157331#(<= ULTIMATE.start_main_~i~4 4), 157328#false, 157329#(<= ULTIMATE.start_main_~i~4 0), 157334#(<= ULTIMATE.start_main_~i~4 10), 157335#(<= ULTIMATE.start_main_~i~4 12), 157332#(<= ULTIMATE.start_main_~i~4 6), 157333#(<= ULTIMATE.start_main_~i~4 8), 157338#(<= ULTIMATE.start_main_~i~4 18), 157339#(<= ULTIMATE.start_main_~i~4 20), 157336#(<= ULTIMATE.start_main_~i~4 14), 157337#(<= ULTIMATE.start_main_~i~4 16), 157342#(<= ULTIMATE.start_main_~i~4 26), 157343#(<= ULTIMATE.start_main_~i~4 28), 157340#(<= ULTIMATE.start_main_~i~4 22), 157341#(<= ULTIMATE.start_main_~i~4 24), 157346#(<= ULTIMATE.start_main_~i~4 34), 157347#(<= ULTIMATE.start_main_~i~4 36), 157344#(<= ULTIMATE.start_main_~i~4 30), 157345#(<= ULTIMATE.start_main_~i~4 32), 157350#(<= ULTIMATE.start_main_~i~4 42), 157351#(<= ULTIMATE.start_main_~i~4 44), 157348#(<= ULTIMATE.start_main_~i~4 38), 157349#(<= ULTIMATE.start_main_~i~4 40), 157354#(<= ULTIMATE.start_main_~i~4 50), 157355#(<= ULTIMATE.start_main_~i~4 52), 157352#(<= ULTIMATE.start_main_~i~4 46), 157353#(<= ULTIMATE.start_main_~i~4 48), 157358#(<= ULTIMATE.start_main_~i~4 58), 157359#(<= ULTIMATE.start_main_~i~4 60), 157356#(<= ULTIMATE.start_main_~i~4 54), 157357#(<= ULTIMATE.start_main_~i~4 56), 157362#(<= ULTIMATE.start_main_~i~4 66), 157363#(<= ULTIMATE.start_main_~i~4 68), 157360#(<= ULTIMATE.start_main_~i~4 62), 157361#(<= ULTIMATE.start_main_~i~4 64), 157366#(<= ULTIMATE.start_main_~i~4 74), 157367#(<= ULTIMATE.start_main_~i~4 76), 157364#(<= ULTIMATE.start_main_~i~4 70), 157365#(<= ULTIMATE.start_main_~i~4 72), 157370#(<= ULTIMATE.start_main_~i~4 82), 157371#(<= ULTIMATE.start_main_~i~4 84), 157368#(<= ULTIMATE.start_main_~i~4 78), 157369#(<= ULTIMATE.start_main_~i~4 80), 157374#(<= ULTIMATE.start_main_~i~4 90), 157375#(<= ULTIMATE.start_main_~i~4 92), 157372#(<= ULTIMATE.start_main_~i~4 86), 157373#(<= ULTIMATE.start_main_~i~4 88), 157378#(<= ULTIMATE.start_main_~i~4 98), 157379#(<= ULTIMATE.start_main_~i~4 100), 157376#(<= ULTIMATE.start_main_~i~4 94), 157377#(<= ULTIMATE.start_main_~i~4 96), 157382#(<= ULTIMATE.start_main_~i~4 106), 157383#(<= ULTIMATE.start_main_~i~4 108), 157380#(<= ULTIMATE.start_main_~i~4 102), 157381#(<= ULTIMATE.start_main_~i~4 104), 157386#(<= ULTIMATE.start_main_~i~4 114), 157387#(<= ULTIMATE.start_main_~i~4 116), 157384#(<= ULTIMATE.start_main_~i~4 110), 157385#(<= ULTIMATE.start_main_~i~4 112), 157390#(<= ULTIMATE.start_main_~i~4 122), 157391#(<= ULTIMATE.start_main_~i~4 124), 157388#(<= ULTIMATE.start_main_~i~4 118), 157389#(<= ULTIMATE.start_main_~i~4 120), 157394#(<= ULTIMATE.start_main_~i~4 130), 157395#(<= ULTIMATE.start_main_~i~4 132), 157392#(<= ULTIMATE.start_main_~i~4 126), 157393#(<= ULTIMATE.start_main_~i~4 128), 157398#(<= ULTIMATE.start_main_~i~4 138), 157399#(<= ULTIMATE.start_main_~i~4 140), 157396#(<= ULTIMATE.start_main_~i~4 134), 157397#(<= ULTIMATE.start_main_~i~4 136), 157402#(<= ULTIMATE.start_main_~i~4 146), 157403#(<= ULTIMATE.start_main_~i~4 148), 157400#(<= ULTIMATE.start_main_~i~4 142), 157401#(<= ULTIMATE.start_main_~i~4 144), 157406#(<= ULTIMATE.start_main_~i~4 154), 157407#(<= ULTIMATE.start_main_~i~4 156), 157404#(<= ULTIMATE.start_main_~i~4 150), 157405#(<= ULTIMATE.start_main_~i~4 152), 157410#(<= ULTIMATE.start_main_~i~4 162), 157411#(<= ULTIMATE.start_main_~i~4 164), 157408#(<= ULTIMATE.start_main_~i~4 158), 157409#(<= ULTIMATE.start_main_~i~4 160), 157414#(<= ULTIMATE.start_main_~i~4 170), 157415#(<= ULTIMATE.start_main_~i~4 172), 157412#(<= ULTIMATE.start_main_~i~4 166), 157413#(<= ULTIMATE.start_main_~i~4 168), 157418#(<= ULTIMATE.start_main_~i~4 178), 157419#(<= ULTIMATE.start_main_~i~4 180), 157416#(<= ULTIMATE.start_main_~i~4 174), 157417#(<= ULTIMATE.start_main_~i~4 176), 157422#(<= ULTIMATE.start_main_~i~4 186), 157423#(<= ULTIMATE.start_main_~i~4 188), 157420#(<= ULTIMATE.start_main_~i~4 182), 157421#(<= ULTIMATE.start_main_~i~4 184), 157426#(<= ULTIMATE.start_main_~i~4 194), 157427#(<= ULTIMATE.start_main_~i~4 196), 157424#(<= ULTIMATE.start_main_~i~4 190), 157425#(<= ULTIMATE.start_main_~i~4 192), 157430#(<= ULTIMATE.start_main_~i~4 202), 157431#(<= ULTIMATE.start_main_~i~4 204), 157428#(<= ULTIMATE.start_main_~i~4 198), 157429#(<= ULTIMATE.start_main_~i~4 200), 157434#(<= ULTIMATE.start_main_~i~4 210), 157435#(<= ULTIMATE.start_main_~i~4 212), 157432#(<= ULTIMATE.start_main_~i~4 206), 157433#(<= ULTIMATE.start_main_~i~4 208), 157438#(<= ULTIMATE.start_main_~i~4 218), 157439#(<= ULTIMATE.start_main_~i~4 220), 157436#(<= ULTIMATE.start_main_~i~4 214), 157437#(<= ULTIMATE.start_main_~i~4 216), 157442#(<= ULTIMATE.start_main_~i~4 226), 157443#(<= ULTIMATE.start_main_~i~4 228), 157440#(<= ULTIMATE.start_main_~i~4 222), 157441#(<= ULTIMATE.start_main_~i~4 224), 157446#(<= ULTIMATE.start_main_~i~4 234), 157447#(<= ULTIMATE.start_main_~i~4 236), 157444#(<= ULTIMATE.start_main_~i~4 230), 157445#(<= ULTIMATE.start_main_~i~4 232), 157450#(<= ULTIMATE.start_main_~i~4 242), 157451#(<= ULTIMATE.start_main_~i~4 244), 157448#(<= ULTIMATE.start_main_~i~4 238), 157449#(<= ULTIMATE.start_main_~i~4 240), 157454#(<= ULTIMATE.start_main_~i~4 250), 157455#(<= ULTIMATE.start_main_~i~4 252), 157452#(<= ULTIMATE.start_main_~i~4 246), 157453#(<= ULTIMATE.start_main_~i~4 248), 157458#(<= ULTIMATE.start_main_~i~4 258), 157459#(<= ULTIMATE.start_main_~i~4 260), 157456#(<= ULTIMATE.start_main_~i~4 254), 157457#(<= ULTIMATE.start_main_~i~4 256), 157462#(<= ULTIMATE.start_main_~i~4 266), 157463#(<= ULTIMATE.start_main_~i~4 268), 157460#(<= ULTIMATE.start_main_~i~4 262), 157461#(<= ULTIMATE.start_main_~i~4 264), 157466#(<= ULTIMATE.start_main_~i~4 274), 157467#(<= ULTIMATE.start_main_~i~4 276), 157464#(<= ULTIMATE.start_main_~i~4 270), 157465#(<= ULTIMATE.start_main_~i~4 272), 157470#(<= ULTIMATE.start_main_~i~4 282), 157471#(<= ULTIMATE.start_main_~i~4 284), 157468#(<= ULTIMATE.start_main_~i~4 278), 157469#(<= ULTIMATE.start_main_~i~4 280), 157474#(<= ULTIMATE.start_main_~i~4 290), 157475#(<= ULTIMATE.start_main_~i~4 292), 157472#(<= ULTIMATE.start_main_~i~4 286), 157473#(<= ULTIMATE.start_main_~i~4 288), 157478#(<= ULTIMATE.start_main_~i~4 298), 157479#(<= ULTIMATE.start_main_~i~4 300), 157476#(<= ULTIMATE.start_main_~i~4 294), 157477#(<= ULTIMATE.start_main_~i~4 296), 157482#(<= ULTIMATE.start_main_~i~4 306), 157483#(<= ULTIMATE.start_main_~i~4 308), 157480#(<= ULTIMATE.start_main_~i~4 302), 157481#(<= ULTIMATE.start_main_~i~4 304), 157486#(<= ULTIMATE.start_main_~i~4 314), 157487#(<= ULTIMATE.start_main_~i~4 316), 157484#(<= ULTIMATE.start_main_~i~4 310), 157485#(<= ULTIMATE.start_main_~i~4 312), 157490#(<= ULTIMATE.start_main_~i~4 322), 157491#(<= ULTIMATE.start_main_~i~4 324), 157488#(<= ULTIMATE.start_main_~i~4 318), 157489#(<= ULTIMATE.start_main_~i~4 320), 157494#(<= ULTIMATE.start_main_~i~4 330), 157495#(<= ULTIMATE.start_main_~i~4 332), 157492#(<= ULTIMATE.start_main_~i~4 326), 157493#(<= ULTIMATE.start_main_~i~4 328), 157498#(<= ULTIMATE.start_main_~i~4 338), 157499#(<= ULTIMATE.start_main_~i~4 340), 157496#(<= ULTIMATE.start_main_~i~4 334), 157497#(<= ULTIMATE.start_main_~i~4 336), 157502#(<= ULTIMATE.start_main_~i~4 346), 157503#(<= ULTIMATE.start_main_~i~4 348), 157500#(<= ULTIMATE.start_main_~i~4 342), 157501#(<= ULTIMATE.start_main_~i~4 344), 157506#(<= ULTIMATE.start_main_~i~4 354), 157507#(<= ULTIMATE.start_main_~i~4 356), 157504#(<= ULTIMATE.start_main_~i~4 350), 157505#(<= ULTIMATE.start_main_~i~4 352), 157510#(<= ULTIMATE.start_main_~i~4 362), 157511#(<= ULTIMATE.start_main_~i~4 364), 157508#(<= ULTIMATE.start_main_~i~4 358), 157509#(<= ULTIMATE.start_main_~i~4 360), 157514#(<= ULTIMATE.start_main_~i~4 370), 157515#(<= ULTIMATE.start_main_~i~4 372), 157512#(<= ULTIMATE.start_main_~i~4 366), 157513#(<= ULTIMATE.start_main_~i~4 368), 157518#(<= ULTIMATE.start_main_~i~4 378), 157519#(<= ULTIMATE.start_main_~i~4 380), 157516#(<= ULTIMATE.start_main_~i~4 374), 157517#(<= ULTIMATE.start_main_~i~4 376), 157522#(<= ULTIMATE.start_main_~i~4 386), 157523#(<= ULTIMATE.start_main_~i~4 388), 157520#(<= ULTIMATE.start_main_~i~4 382), 157521#(<= ULTIMATE.start_main_~i~4 384), 157526#(<= ULTIMATE.start_main_~i~4 394), 157527#(<= ULTIMATE.start_main_~i~4 396), 157524#(<= ULTIMATE.start_main_~i~4 390), 157525#(<= ULTIMATE.start_main_~i~4 392), 157530#(<= ULTIMATE.start_main_~i~4 402), 157531#(<= ULTIMATE.start_main_~i~4 404), 157528#(<= ULTIMATE.start_main_~i~4 398), 157529#(<= ULTIMATE.start_main_~i~4 400), 157534#(<= ULTIMATE.start_main_~i~4 410), 157535#(<= ULTIMATE.start_main_~i~4 412), 157532#(<= ULTIMATE.start_main_~i~4 406), 157533#(<= ULTIMATE.start_main_~i~4 408), 157538#(<= ULTIMATE.start_main_~i~4 418), 157539#(<= ULTIMATE.start_main_~i~4 420), 157536#(<= ULTIMATE.start_main_~i~4 414), 157537#(<= ULTIMATE.start_main_~i~4 416), 157542#(<= ULTIMATE.start_main_~i~4 426), 157543#(<= ULTIMATE.start_main_~i~4 428), 157540#(<= ULTIMATE.start_main_~i~4 422), 157541#(<= ULTIMATE.start_main_~i~4 424), 157546#(<= ULTIMATE.start_main_~i~4 434), 157547#(<= ULTIMATE.start_main_~i~4 436), 157544#(<= ULTIMATE.start_main_~i~4 430), 157545#(<= ULTIMATE.start_main_~i~4 432), 157550#(<= ULTIMATE.start_main_~i~4 442), 157551#(<= ULTIMATE.start_main_~i~4 444), 157548#(<= ULTIMATE.start_main_~i~4 438), 157549#(<= ULTIMATE.start_main_~i~4 440), 157554#(<= ULTIMATE.start_main_~i~4 450), 157555#(<= ULTIMATE.start_main_~i~4 452), 157552#(<= ULTIMATE.start_main_~i~4 446), 157553#(<= ULTIMATE.start_main_~i~4 448), 157558#(<= ULTIMATE.start_main_~i~4 458), 157559#(<= ULTIMATE.start_main_~i~4 460), 157556#(<= ULTIMATE.start_main_~i~4 454), 157557#(<= ULTIMATE.start_main_~i~4 456), 157562#(<= ULTIMATE.start_main_~i~4 466), 157563#(<= ULTIMATE.start_main_~i~4 468), 157560#(<= ULTIMATE.start_main_~i~4 462), 157561#(<= ULTIMATE.start_main_~i~4 464), 157566#(<= ULTIMATE.start_main_~i~4 474), 157567#(<= ULTIMATE.start_main_~i~4 476), 157564#(<= ULTIMATE.start_main_~i~4 470), 157565#(<= ULTIMATE.start_main_~i~4 472), 157570#(<= ULTIMATE.start_main_~i~4 482), 157571#(<= ULTIMATE.start_main_~i~4 484), 157568#(<= ULTIMATE.start_main_~i~4 478), 157569#(<= ULTIMATE.start_main_~i~4 480), 157574#(<= ULTIMATE.start_main_~i~4 490), 157575#(<= ULTIMATE.start_main_~i~4 492), 157572#(<= ULTIMATE.start_main_~i~4 486), 157573#(<= ULTIMATE.start_main_~i~4 488)] [2018-07-23 13:41:32,110 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 13:41:32,110 INFO L450 AbstractCegarLoop]: Interpolant automaton has 249 states [2018-07-23 13:41:32,115 INFO L132 InterpolantAutomaton]: Constructing interpolant automaton starting with 249 interpolants. [2018-07-23 13:41:32,117 INFO L133 InterpolantAutomaton]: CoverageRelationStatistics Valid=30876, Invalid=30876, Unknown=0, NotChecked=0, Total=61752 [2018-07-23 13:41:32,117 INFO L87 Difference]: Start difference. First operand 250 states and 250 transitions. Second operand 249 states. [2018-07-23 13:41:33,830 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2018-07-23 13:41:33,830 INFO L93 Difference]: Finished difference Result 253 states and 253 transitions. [2018-07-23 13:41:33,831 INFO L142 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 249 states. [2018-07-23 13:41:33,831 INFO L78 Accepts]: Start accepts. Automaton has 249 states. Word has length 249 [2018-07-23 13:41:33,831 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2018-07-23 13:41:33,831 INFO L225 Difference]: With dead ends: 253 [2018-07-23 13:41:33,831 INFO L226 Difference]: Without dead ends: 251 [2018-07-23 13:41:33,835 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 13:41:33,835 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 251 states. [2018-07-23 13:41:33,837 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 251 to 251. [2018-07-23 13:41:33,838 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 251 states. [2018-07-23 13:41:33,838 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 251 states to 251 states and 251 transitions. [2018-07-23 13:41:33,838 INFO L78 Accepts]: Start accepts. Automaton has 251 states and 251 transitions. Word has length 249 [2018-07-23 13:41:33,838 INFO L84 Accepts]: Finished accepts. word is rejected. [2018-07-23 13:41:33,838 INFO L471 AbstractCegarLoop]: Abstraction has 251 states and 251 transitions. [2018-07-23 13:41:33,838 INFO L472 AbstractCegarLoop]: Interpolant automaton has 249 states. [2018-07-23 13:41:33,838 INFO L276 IsEmpty]: Start isEmpty. Operand 251 states and 251 transitions. [2018-07-23 13:41:33,839 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 251 [2018-07-23 13:41:33,839 INFO L349 BasicCegarLoop]: Found error trace [2018-07-23 13:41:33,839 INFO L357 BasicCegarLoop]: trace histogram [247, 1, 1, 1] [2018-07-23 13:41:33,839 INFO L414 AbstractCegarLoop]: === Iteration 248 === [ULTIMATE.startErr0AssertViolationASSERT]=== [2018-07-23 13:41:33,839 INFO L82 PathProgramCache]: Analyzing trace with hash 470820744, now seen corresponding path program 247 times [2018-07-23 13:41:33,839 INFO L69 tionRefinementEngine]: Using refinement strategy FixedRefinementStrategy [2018-07-23 13:41:34,265 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-07-23 13:41:35,811 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 13:41:35,811 INFO L309 seRefinementStrategy]: Constructing automaton from 0 perfect and 1 imperfect interpolant sequences. [2018-07-23 13:41:35,811 INFO L324 seRefinementStrategy]: Number of different interpolants: perfect sequences [] imperfect sequences [249] total 249 [2018-07-23 13:41:35,811 INFO L142 lantAutomatonBuilder]: Constructing canonical interpolant automaton, with selfloop in false state [2018-07-23 13:41:35,811 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 13:41:35,812 INFO L185 omatonBuilderFactory]: Interpolants [158722#(<= ULTIMATE.start_main_~i~4 272), 158723#(<= ULTIMATE.start_main_~i~4 274), 158720#(<= ULTIMATE.start_main_~i~4 268), 158721#(<= ULTIMATE.start_main_~i~4 270), 158726#(<= ULTIMATE.start_main_~i~4 280), 158727#(<= ULTIMATE.start_main_~i~4 282), 158724#(<= ULTIMATE.start_main_~i~4 276), 158725#(<= ULTIMATE.start_main_~i~4 278), 158730#(<= ULTIMATE.start_main_~i~4 288), 158731#(<= ULTIMATE.start_main_~i~4 290), 158728#(<= ULTIMATE.start_main_~i~4 284), 158729#(<= ULTIMATE.start_main_~i~4 286), 158734#(<= ULTIMATE.start_main_~i~4 296), 158735#(<= ULTIMATE.start_main_~i~4 298), 158732#(<= ULTIMATE.start_main_~i~4 292), 158733#(<= ULTIMATE.start_main_~i~4 294), 158738#(<= ULTIMATE.start_main_~i~4 304), 158739#(<= ULTIMATE.start_main_~i~4 306), 158736#(<= ULTIMATE.start_main_~i~4 300), 158737#(<= ULTIMATE.start_main_~i~4 302), 158742#(<= ULTIMATE.start_main_~i~4 312), 158743#(<= ULTIMATE.start_main_~i~4 314), 158740#(<= ULTIMATE.start_main_~i~4 308), 158741#(<= ULTIMATE.start_main_~i~4 310), 158746#(<= ULTIMATE.start_main_~i~4 320), 158747#(<= ULTIMATE.start_main_~i~4 322), 158744#(<= ULTIMATE.start_main_~i~4 316), 158745#(<= ULTIMATE.start_main_~i~4 318), 158750#(<= ULTIMATE.start_main_~i~4 328), 158751#(<= ULTIMATE.start_main_~i~4 330), 158748#(<= ULTIMATE.start_main_~i~4 324), 158749#(<= ULTIMATE.start_main_~i~4 326), 158754#(<= ULTIMATE.start_main_~i~4 336), 158755#(<= ULTIMATE.start_main_~i~4 338), 158752#(<= ULTIMATE.start_main_~i~4 332), 158753#(<= ULTIMATE.start_main_~i~4 334), 158758#(<= ULTIMATE.start_main_~i~4 344), 158759#(<= ULTIMATE.start_main_~i~4 346), 158756#(<= ULTIMATE.start_main_~i~4 340), 158757#(<= ULTIMATE.start_main_~i~4 342), 158762#(<= ULTIMATE.start_main_~i~4 352), 158763#(<= ULTIMATE.start_main_~i~4 354), 158760#(<= ULTIMATE.start_main_~i~4 348), 158761#(<= ULTIMATE.start_main_~i~4 350), 158766#(<= ULTIMATE.start_main_~i~4 360), 158767#(<= ULTIMATE.start_main_~i~4 362), 158764#(<= ULTIMATE.start_main_~i~4 356), 158765#(<= ULTIMATE.start_main_~i~4 358), 158770#(<= ULTIMATE.start_main_~i~4 368), 158771#(<= ULTIMATE.start_main_~i~4 370), 158768#(<= ULTIMATE.start_main_~i~4 364), 158769#(<= ULTIMATE.start_main_~i~4 366), 158774#(<= ULTIMATE.start_main_~i~4 376), 158775#(<= ULTIMATE.start_main_~i~4 378), 158772#(<= ULTIMATE.start_main_~i~4 372), 158773#(<= ULTIMATE.start_main_~i~4 374), 158778#(<= ULTIMATE.start_main_~i~4 384), 158779#(<= ULTIMATE.start_main_~i~4 386), 158776#(<= ULTIMATE.start_main_~i~4 380), 158777#(<= ULTIMATE.start_main_~i~4 382), 158782#(<= ULTIMATE.start_main_~i~4 392), 158783#(<= ULTIMATE.start_main_~i~4 394), 158780#(<= ULTIMATE.start_main_~i~4 388), 158781#(<= ULTIMATE.start_main_~i~4 390), 158786#(<= ULTIMATE.start_main_~i~4 400), 158787#(<= ULTIMATE.start_main_~i~4 402), 158784#(<= ULTIMATE.start_main_~i~4 396), 158785#(<= ULTIMATE.start_main_~i~4 398), 158790#(<= ULTIMATE.start_main_~i~4 408), 158791#(<= ULTIMATE.start_main_~i~4 410), 158788#(<= ULTIMATE.start_main_~i~4 404), 158789#(<= ULTIMATE.start_main_~i~4 406), 158794#(<= ULTIMATE.start_main_~i~4 416), 158795#(<= ULTIMATE.start_main_~i~4 418), 158792#(<= ULTIMATE.start_main_~i~4 412), 158793#(<= ULTIMATE.start_main_~i~4 414), 158798#(<= ULTIMATE.start_main_~i~4 424), 158799#(<= ULTIMATE.start_main_~i~4 426), 158796#(<= ULTIMATE.start_main_~i~4 420), 158797#(<= ULTIMATE.start_main_~i~4 422), 158802#(<= ULTIMATE.start_main_~i~4 432), 158803#(<= ULTIMATE.start_main_~i~4 434), 158800#(<= ULTIMATE.start_main_~i~4 428), 158801#(<= ULTIMATE.start_main_~i~4 430), 158806#(<= ULTIMATE.start_main_~i~4 440), 158807#(<= ULTIMATE.start_main_~i~4 442), 158804#(<= ULTIMATE.start_main_~i~4 436), 158805#(<= ULTIMATE.start_main_~i~4 438), 158810#(<= ULTIMATE.start_main_~i~4 448), 158811#(<= ULTIMATE.start_main_~i~4 450), 158808#(<= ULTIMATE.start_main_~i~4 444), 158809#(<= ULTIMATE.start_main_~i~4 446), 158814#(<= ULTIMATE.start_main_~i~4 456), 158815#(<= ULTIMATE.start_main_~i~4 458), 158812#(<= ULTIMATE.start_main_~i~4 452), 158813#(<= ULTIMATE.start_main_~i~4 454), 158818#(<= ULTIMATE.start_main_~i~4 464), 158819#(<= ULTIMATE.start_main_~i~4 466), 158816#(<= ULTIMATE.start_main_~i~4 460), 158817#(<= ULTIMATE.start_main_~i~4 462), 158822#(<= ULTIMATE.start_main_~i~4 472), 158823#(<= ULTIMATE.start_main_~i~4 474), 158820#(<= ULTIMATE.start_main_~i~4 468), 158821#(<= ULTIMATE.start_main_~i~4 470), 158826#(<= ULTIMATE.start_main_~i~4 480), 158827#(<= ULTIMATE.start_main_~i~4 482), 158824#(<= ULTIMATE.start_main_~i~4 476), 158825#(<= ULTIMATE.start_main_~i~4 478), 158830#(<= ULTIMATE.start_main_~i~4 488), 158831#(<= ULTIMATE.start_main_~i~4 490), 158828#(<= ULTIMATE.start_main_~i~4 484), 158829#(<= ULTIMATE.start_main_~i~4 486), 158832#(<= ULTIMATE.start_main_~i~4 492), 158833#(<= ULTIMATE.start_main_~i~4 494), 158586#(<= ULTIMATE.start_main_~i~4 0), 158587#(<= ULTIMATE.start_main_~i~4 2), 158584#true, 158585#false, 158590#(<= ULTIMATE.start_main_~i~4 8), 158591#(<= ULTIMATE.start_main_~i~4 10), 158588#(<= ULTIMATE.start_main_~i~4 4), 158589#(<= ULTIMATE.start_main_~i~4 6), 158594#(<= ULTIMATE.start_main_~i~4 16), 158595#(<= ULTIMATE.start_main_~i~4 18), 158592#(<= ULTIMATE.start_main_~i~4 12), 158593#(<= ULTIMATE.start_main_~i~4 14), 158598#(<= ULTIMATE.start_main_~i~4 24), 158599#(<= ULTIMATE.start_main_~i~4 26), 158596#(<= ULTIMATE.start_main_~i~4 20), 158597#(<= ULTIMATE.start_main_~i~4 22), 158602#(<= ULTIMATE.start_main_~i~4 32), 158603#(<= ULTIMATE.start_main_~i~4 34), 158600#(<= ULTIMATE.start_main_~i~4 28), 158601#(<= ULTIMATE.start_main_~i~4 30), 158606#(<= ULTIMATE.start_main_~i~4 40), 158607#(<= ULTIMATE.start_main_~i~4 42), 158604#(<= ULTIMATE.start_main_~i~4 36), 158605#(<= ULTIMATE.start_main_~i~4 38), 158610#(<= ULTIMATE.start_main_~i~4 48), 158611#(<= ULTIMATE.start_main_~i~4 50), 158608#(<= ULTIMATE.start_main_~i~4 44), 158609#(<= ULTIMATE.start_main_~i~4 46), 158614#(<= ULTIMATE.start_main_~i~4 56), 158615#(<= ULTIMATE.start_main_~i~4 58), 158612#(<= ULTIMATE.start_main_~i~4 52), 158613#(<= ULTIMATE.start_main_~i~4 54), 158618#(<= ULTIMATE.start_main_~i~4 64), 158619#(<= ULTIMATE.start_main_~i~4 66), 158616#(<= ULTIMATE.start_main_~i~4 60), 158617#(<= ULTIMATE.start_main_~i~4 62), 158622#(<= ULTIMATE.start_main_~i~4 72), 158623#(<= ULTIMATE.start_main_~i~4 74), 158620#(<= ULTIMATE.start_main_~i~4 68), 158621#(<= ULTIMATE.start_main_~i~4 70), 158626#(<= ULTIMATE.start_main_~i~4 80), 158627#(<= ULTIMATE.start_main_~i~4 82), 158624#(<= ULTIMATE.start_main_~i~4 76), 158625#(<= ULTIMATE.start_main_~i~4 78), 158630#(<= ULTIMATE.start_main_~i~4 88), 158631#(<= ULTIMATE.start_main_~i~4 90), 158628#(<= ULTIMATE.start_main_~i~4 84), 158629#(<= ULTIMATE.start_main_~i~4 86), 158634#(<= ULTIMATE.start_main_~i~4 96), 158635#(<= ULTIMATE.start_main_~i~4 98), 158632#(<= ULTIMATE.start_main_~i~4 92), 158633#(<= ULTIMATE.start_main_~i~4 94), 158638#(<= ULTIMATE.start_main_~i~4 104), 158639#(<= ULTIMATE.start_main_~i~4 106), 158636#(<= ULTIMATE.start_main_~i~4 100), 158637#(<= ULTIMATE.start_main_~i~4 102), 158642#(<= ULTIMATE.start_main_~i~4 112), 158643#(<= ULTIMATE.start_main_~i~4 114), 158640#(<= ULTIMATE.start_main_~i~4 108), 158641#(<= ULTIMATE.start_main_~i~4 110), 158646#(<= ULTIMATE.start_main_~i~4 120), 158647#(<= ULTIMATE.start_main_~i~4 122), 158644#(<= ULTIMATE.start_main_~i~4 116), 158645#(<= ULTIMATE.start_main_~i~4 118), 158650#(<= ULTIMATE.start_main_~i~4 128), 158651#(<= ULTIMATE.start_main_~i~4 130), 158648#(<= ULTIMATE.start_main_~i~4 124), 158649#(<= ULTIMATE.start_main_~i~4 126), 158654#(<= ULTIMATE.start_main_~i~4 136), 158655#(<= ULTIMATE.start_main_~i~4 138), 158652#(<= ULTIMATE.start_main_~i~4 132), 158653#(<= ULTIMATE.start_main_~i~4 134), 158658#(<= ULTIMATE.start_main_~i~4 144), 158659#(<= ULTIMATE.start_main_~i~4 146), 158656#(<= ULTIMATE.start_main_~i~4 140), 158657#(<= ULTIMATE.start_main_~i~4 142), 158662#(<= ULTIMATE.start_main_~i~4 152), 158663#(<= ULTIMATE.start_main_~i~4 154), 158660#(<= ULTIMATE.start_main_~i~4 148), 158661#(<= ULTIMATE.start_main_~i~4 150), 158666#(<= ULTIMATE.start_main_~i~4 160), 158667#(<= ULTIMATE.start_main_~i~4 162), 158664#(<= ULTIMATE.start_main_~i~4 156), 158665#(<= ULTIMATE.start_main_~i~4 158), 158670#(<= ULTIMATE.start_main_~i~4 168), 158671#(<= ULTIMATE.start_main_~i~4 170), 158668#(<= ULTIMATE.start_main_~i~4 164), 158669#(<= ULTIMATE.start_main_~i~4 166), 158674#(<= ULTIMATE.start_main_~i~4 176), 158675#(<= ULTIMATE.start_main_~i~4 178), 158672#(<= ULTIMATE.start_main_~i~4 172), 158673#(<= ULTIMATE.start_main_~i~4 174), 158678#(<= ULTIMATE.start_main_~i~4 184), 158679#(<= ULTIMATE.start_main_~i~4 186), 158676#(<= ULTIMATE.start_main_~i~4 180), 158677#(<= ULTIMATE.start_main_~i~4 182), 158682#(<= ULTIMATE.start_main_~i~4 192), 158683#(<= ULTIMATE.start_main_~i~4 194), 158680#(<= ULTIMATE.start_main_~i~4 188), 158681#(<= ULTIMATE.start_main_~i~4 190), 158686#(<= ULTIMATE.start_main_~i~4 200), 158687#(<= ULTIMATE.start_main_~i~4 202), 158684#(<= ULTIMATE.start_main_~i~4 196), 158685#(<= ULTIMATE.start_main_~i~4 198), 158690#(<= ULTIMATE.start_main_~i~4 208), 158691#(<= ULTIMATE.start_main_~i~4 210), 158688#(<= ULTIMATE.start_main_~i~4 204), 158689#(<= ULTIMATE.start_main_~i~4 206), 158694#(<= ULTIMATE.start_main_~i~4 216), 158695#(<= ULTIMATE.start_main_~i~4 218), 158692#(<= ULTIMATE.start_main_~i~4 212), 158693#(<= ULTIMATE.start_main_~i~4 214), 158698#(<= ULTIMATE.start_main_~i~4 224), 158699#(<= ULTIMATE.start_main_~i~4 226), 158696#(<= ULTIMATE.start_main_~i~4 220), 158697#(<= ULTIMATE.start_main_~i~4 222), 158702#(<= ULTIMATE.start_main_~i~4 232), 158703#(<= ULTIMATE.start_main_~i~4 234), 158700#(<= ULTIMATE.start_main_~i~4 228), 158701#(<= ULTIMATE.start_main_~i~4 230), 158706#(<= ULTIMATE.start_main_~i~4 240), 158707#(<= ULTIMATE.start_main_~i~4 242), 158704#(<= ULTIMATE.start_main_~i~4 236), 158705#(<= ULTIMATE.start_main_~i~4 238), 158710#(<= ULTIMATE.start_main_~i~4 248), 158711#(<= ULTIMATE.start_main_~i~4 250), 158708#(<= ULTIMATE.start_main_~i~4 244), 158709#(<= ULTIMATE.start_main_~i~4 246), 158714#(<= ULTIMATE.start_main_~i~4 256), 158715#(<= ULTIMATE.start_main_~i~4 258), 158712#(<= ULTIMATE.start_main_~i~4 252), 158713#(<= ULTIMATE.start_main_~i~4 254), 158718#(<= ULTIMATE.start_main_~i~4 264), 158719#(<= ULTIMATE.start_main_~i~4 266), 158716#(<= ULTIMATE.start_main_~i~4 260), 158717#(<= ULTIMATE.start_main_~i~4 262)] [2018-07-23 13:41:35,813 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 13:41:35,813 INFO L450 AbstractCegarLoop]: Interpolant automaton has 250 states [2018-07-23 13:41:35,818 INFO L132 InterpolantAutomaton]: Constructing interpolant automaton starting with 250 interpolants. [2018-07-23 13:41:35,820 INFO L133 InterpolantAutomaton]: CoverageRelationStatistics Valid=31125, Invalid=31125, Unknown=0, NotChecked=0, Total=62250 [2018-07-23 13:41:35,820 INFO L87 Difference]: Start difference. First operand 251 states and 251 transitions. Second operand 250 states. [2018-07-23 13:41:36,447 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2018-07-23 13:41:36,448 INFO L93 Difference]: Finished difference Result 254 states and 254 transitions. [2018-07-23 13:41:36,448 INFO L142 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 250 states. [2018-07-23 13:41:36,448 INFO L78 Accepts]: Start accepts. Automaton has 250 states. Word has length 250 [2018-07-23 13:41:36,448 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2018-07-23 13:41:36,448 INFO L225 Difference]: With dead ends: 254 [2018-07-23 13:41:36,448 INFO L226 Difference]: Without dead ends: 252 [2018-07-23 13:41:36,451 INFO L575 BasicCegarLoop]: 0 DeclaredPredicates, 249 GetRequests, 1 SyntacticMatches, 0 SemanticMatches, 248 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 0 ImplicationChecksByTransitivity, 1.4s TimeCoverageRelationStatistics Valid=31125, Invalid=31125, Unknown=0, NotChecked=0, Total=62250 [2018-07-23 13:41:36,451 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 252 states. [2018-07-23 13:41:36,454 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 252 to 252. [2018-07-23 13:41:36,454 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 252 states. [2018-07-23 13:41:36,454 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 252 states to 252 states and 252 transitions. [2018-07-23 13:41:36,454 INFO L78 Accepts]: Start accepts. Automaton has 252 states and 252 transitions. Word has length 250 [2018-07-23 13:41:36,454 INFO L84 Accepts]: Finished accepts. word is rejected. [2018-07-23 13:41:36,454 INFO L471 AbstractCegarLoop]: Abstraction has 252 states and 252 transitions. [2018-07-23 13:41:36,454 INFO L472 AbstractCegarLoop]: Interpolant automaton has 250 states. [2018-07-23 13:41:36,455 INFO L276 IsEmpty]: Start isEmpty. Operand 252 states and 252 transitions. [2018-07-23 13:41:36,455 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 252 [2018-07-23 13:41:36,455 INFO L349 BasicCegarLoop]: Found error trace [2018-07-23 13:41:36,455 INFO L357 BasicCegarLoop]: trace histogram [248, 1, 1, 1] [2018-07-23 13:41:36,455 INFO L414 AbstractCegarLoop]: === Iteration 249 === [ULTIMATE.startErr0AssertViolationASSERT]=== [2018-07-23 13:41:36,455 INFO L82 PathProgramCache]: Analyzing trace with hash 1710539201, now seen corresponding path program 248 times [2018-07-23 13:41:36,456 INFO L69 tionRefinementEngine]: Using refinement strategy FixedRefinementStrategy [2018-07-23 13:41:36,890 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-07-23 13:41:38,460 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 13:41:38,460 INFO L309 seRefinementStrategy]: Constructing automaton from 0 perfect and 1 imperfect interpolant sequences. [2018-07-23 13:41:38,461 INFO L324 seRefinementStrategy]: Number of different interpolants: perfect sequences [] imperfect sequences [250] total 250 [2018-07-23 13:41:38,461 INFO L142 lantAutomatonBuilder]: Constructing canonical interpolant automaton, with selfloop in false state [2018-07-23 13:41:38,461 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2018-07-23 13:41:38,461 INFO L185 omatonBuilderFactory]: Interpolants [159846#true, 159847#false, 159850#(<= ULTIMATE.start_main_~i~4 4), 159851#(<= ULTIMATE.start_main_~i~4 6), 159848#(<= ULTIMATE.start_main_~i~4 0), 159849#(<= ULTIMATE.start_main_~i~4 2), 159854#(<= ULTIMATE.start_main_~i~4 12), 159855#(<= ULTIMATE.start_main_~i~4 14), 159852#(<= ULTIMATE.start_main_~i~4 8), 159853#(<= ULTIMATE.start_main_~i~4 10), 159858#(<= ULTIMATE.start_main_~i~4 20), 159859#(<= ULTIMATE.start_main_~i~4 22), 159856#(<= ULTIMATE.start_main_~i~4 16), 159857#(<= ULTIMATE.start_main_~i~4 18), 159862#(<= ULTIMATE.start_main_~i~4 28), 159863#(<= ULTIMATE.start_main_~i~4 30), 159860#(<= ULTIMATE.start_main_~i~4 24), 159861#(<= ULTIMATE.start_main_~i~4 26), 159866#(<= ULTIMATE.start_main_~i~4 36), 159867#(<= ULTIMATE.start_main_~i~4 38), 159864#(<= ULTIMATE.start_main_~i~4 32), 159865#(<= ULTIMATE.start_main_~i~4 34), 159870#(<= ULTIMATE.start_main_~i~4 44), 159871#(<= ULTIMATE.start_main_~i~4 46), 159868#(<= ULTIMATE.start_main_~i~4 40), 159869#(<= ULTIMATE.start_main_~i~4 42), 159874#(<= ULTIMATE.start_main_~i~4 52), 159875#(<= ULTIMATE.start_main_~i~4 54), 159872#(<= ULTIMATE.start_main_~i~4 48), 159873#(<= ULTIMATE.start_main_~i~4 50), 159878#(<= ULTIMATE.start_main_~i~4 60), 159879#(<= ULTIMATE.start_main_~i~4 62), 159876#(<= ULTIMATE.start_main_~i~4 56), 159877#(<= ULTIMATE.start_main_~i~4 58), 159882#(<= ULTIMATE.start_main_~i~4 68), 159883#(<= ULTIMATE.start_main_~i~4 70), 159880#(<= ULTIMATE.start_main_~i~4 64), 159881#(<= ULTIMATE.start_main_~i~4 66), 159886#(<= ULTIMATE.start_main_~i~4 76), 159887#(<= ULTIMATE.start_main_~i~4 78), 159884#(<= ULTIMATE.start_main_~i~4 72), 159885#(<= ULTIMATE.start_main_~i~4 74), 159890#(<= ULTIMATE.start_main_~i~4 84), 159891#(<= ULTIMATE.start_main_~i~4 86), 159888#(<= ULTIMATE.start_main_~i~4 80), 159889#(<= ULTIMATE.start_main_~i~4 82), 159894#(<= ULTIMATE.start_main_~i~4 92), 159895#(<= ULTIMATE.start_main_~i~4 94), 159892#(<= ULTIMATE.start_main_~i~4 88), 159893#(<= ULTIMATE.start_main_~i~4 90), 159898#(<= ULTIMATE.start_main_~i~4 100), 159899#(<= ULTIMATE.start_main_~i~4 102), 159896#(<= ULTIMATE.start_main_~i~4 96), 159897#(<= ULTIMATE.start_main_~i~4 98), 159902#(<= ULTIMATE.start_main_~i~4 108), 159903#(<= ULTIMATE.start_main_~i~4 110), 159900#(<= ULTIMATE.start_main_~i~4 104), 159901#(<= ULTIMATE.start_main_~i~4 106), 159906#(<= ULTIMATE.start_main_~i~4 116), 159907#(<= ULTIMATE.start_main_~i~4 118), 159904#(<= ULTIMATE.start_main_~i~4 112), 159905#(<= ULTIMATE.start_main_~i~4 114), 159910#(<= ULTIMATE.start_main_~i~4 124), 159911#(<= ULTIMATE.start_main_~i~4 126), 159908#(<= ULTIMATE.start_main_~i~4 120), 159909#(<= ULTIMATE.start_main_~i~4 122), 159914#(<= ULTIMATE.start_main_~i~4 132), 159915#(<= ULTIMATE.start_main_~i~4 134), 159912#(<= ULTIMATE.start_main_~i~4 128), 159913#(<= ULTIMATE.start_main_~i~4 130), 159918#(<= ULTIMATE.start_main_~i~4 140), 159919#(<= ULTIMATE.start_main_~i~4 142), 159916#(<= ULTIMATE.start_main_~i~4 136), 159917#(<= ULTIMATE.start_main_~i~4 138), 159922#(<= ULTIMATE.start_main_~i~4 148), 159923#(<= ULTIMATE.start_main_~i~4 150), 159920#(<= ULTIMATE.start_main_~i~4 144), 159921#(<= ULTIMATE.start_main_~i~4 146), 159926#(<= ULTIMATE.start_main_~i~4 156), 159927#(<= ULTIMATE.start_main_~i~4 158), 159924#(<= ULTIMATE.start_main_~i~4 152), 159925#(<= ULTIMATE.start_main_~i~4 154), 159930#(<= ULTIMATE.start_main_~i~4 164), 159931#(<= ULTIMATE.start_main_~i~4 166), 159928#(<= ULTIMATE.start_main_~i~4 160), 159929#(<= ULTIMATE.start_main_~i~4 162), 159934#(<= ULTIMATE.start_main_~i~4 172), 159935#(<= ULTIMATE.start_main_~i~4 174), 159932#(<= ULTIMATE.start_main_~i~4 168), 159933#(<= ULTIMATE.start_main_~i~4 170), 159938#(<= ULTIMATE.start_main_~i~4 180), 159939#(<= ULTIMATE.start_main_~i~4 182), 159936#(<= ULTIMATE.start_main_~i~4 176), 159937#(<= ULTIMATE.start_main_~i~4 178), 159942#(<= ULTIMATE.start_main_~i~4 188), 159943#(<= ULTIMATE.start_main_~i~4 190), 159940#(<= ULTIMATE.start_main_~i~4 184), 159941#(<= ULTIMATE.start_main_~i~4 186), 159946#(<= ULTIMATE.start_main_~i~4 196), 159947#(<= ULTIMATE.start_main_~i~4 198), 159944#(<= ULTIMATE.start_main_~i~4 192), 159945#(<= ULTIMATE.start_main_~i~4 194), 159950#(<= ULTIMATE.start_main_~i~4 204), 159951#(<= ULTIMATE.start_main_~i~4 206), 159948#(<= ULTIMATE.start_main_~i~4 200), 159949#(<= ULTIMATE.start_main_~i~4 202), 159954#(<= ULTIMATE.start_main_~i~4 212), 159955#(<= ULTIMATE.start_main_~i~4 214), 159952#(<= ULTIMATE.start_main_~i~4 208), 159953#(<= ULTIMATE.start_main_~i~4 210), 159958#(<= ULTIMATE.start_main_~i~4 220), 159959#(<= ULTIMATE.start_main_~i~4 222), 159956#(<= ULTIMATE.start_main_~i~4 216), 159957#(<= ULTIMATE.start_main_~i~4 218), 159962#(<= ULTIMATE.start_main_~i~4 228), 159963#(<= ULTIMATE.start_main_~i~4 230), 159960#(<= ULTIMATE.start_main_~i~4 224), 159961#(<= ULTIMATE.start_main_~i~4 226), 159966#(<= ULTIMATE.start_main_~i~4 236), 159967#(<= ULTIMATE.start_main_~i~4 238), 159964#(<= ULTIMATE.start_main_~i~4 232), 159965#(<= ULTIMATE.start_main_~i~4 234), 159970#(<= ULTIMATE.start_main_~i~4 244), 159971#(<= ULTIMATE.start_main_~i~4 246), 159968#(<= ULTIMATE.start_main_~i~4 240), 159969#(<= ULTIMATE.start_main_~i~4 242), 159974#(<= ULTIMATE.start_main_~i~4 252), 159975#(<= ULTIMATE.start_main_~i~4 254), 159972#(<= ULTIMATE.start_main_~i~4 248), 159973#(<= ULTIMATE.start_main_~i~4 250), 159978#(<= ULTIMATE.start_main_~i~4 260), 159979#(<= ULTIMATE.start_main_~i~4 262), 159976#(<= ULTIMATE.start_main_~i~4 256), 159977#(<= ULTIMATE.start_main_~i~4 258), 159982#(<= ULTIMATE.start_main_~i~4 268), 159983#(<= ULTIMATE.start_main_~i~4 270), 159980#(<= ULTIMATE.start_main_~i~4 264), 159981#(<= ULTIMATE.start_main_~i~4 266), 159986#(<= ULTIMATE.start_main_~i~4 276), 159987#(<= ULTIMATE.start_main_~i~4 278), 159984#(<= ULTIMATE.start_main_~i~4 272), 159985#(<= ULTIMATE.start_main_~i~4 274), 159990#(<= ULTIMATE.start_main_~i~4 284), 159991#(<= ULTIMATE.start_main_~i~4 286), 159988#(<= ULTIMATE.start_main_~i~4 280), 159989#(<= ULTIMATE.start_main_~i~4 282), 159994#(<= ULTIMATE.start_main_~i~4 292), 159995#(<= ULTIMATE.start_main_~i~4 294), 159992#(<= ULTIMATE.start_main_~i~4 288), 159993#(<= ULTIMATE.start_main_~i~4 290), 159998#(<= ULTIMATE.start_main_~i~4 300), 159999#(<= ULTIMATE.start_main_~i~4 302), 159996#(<= ULTIMATE.start_main_~i~4 296), 159997#(<= ULTIMATE.start_main_~i~4 298), 160002#(<= ULTIMATE.start_main_~i~4 308), 160003#(<= ULTIMATE.start_main_~i~4 310), 160000#(<= ULTIMATE.start_main_~i~4 304), 160001#(<= ULTIMATE.start_main_~i~4 306), 160006#(<= ULTIMATE.start_main_~i~4 316), 160007#(<= ULTIMATE.start_main_~i~4 318), 160004#(<= ULTIMATE.start_main_~i~4 312), 160005#(<= ULTIMATE.start_main_~i~4 314), 160010#(<= ULTIMATE.start_main_~i~4 324), 160011#(<= ULTIMATE.start_main_~i~4 326), 160008#(<= ULTIMATE.start_main_~i~4 320), 160009#(<= ULTIMATE.start_main_~i~4 322), 160014#(<= ULTIMATE.start_main_~i~4 332), 160015#(<= ULTIMATE.start_main_~i~4 334), 160012#(<= ULTIMATE.start_main_~i~4 328), 160013#(<= ULTIMATE.start_main_~i~4 330), 160018#(<= ULTIMATE.start_main_~i~4 340), 160019#(<= ULTIMATE.start_main_~i~4 342), 160016#(<= ULTIMATE.start_main_~i~4 336), 160017#(<= ULTIMATE.start_main_~i~4 338), 160022#(<= ULTIMATE.start_main_~i~4 348), 160023#(<= ULTIMATE.start_main_~i~4 350), 160020#(<= ULTIMATE.start_main_~i~4 344), 160021#(<= ULTIMATE.start_main_~i~4 346), 160026#(<= ULTIMATE.start_main_~i~4 356), 160027#(<= ULTIMATE.start_main_~i~4 358), 160024#(<= ULTIMATE.start_main_~i~4 352), 160025#(<= ULTIMATE.start_main_~i~4 354), 160030#(<= ULTIMATE.start_main_~i~4 364), 160031#(<= ULTIMATE.start_main_~i~4 366), 160028#(<= ULTIMATE.start_main_~i~4 360), 160029#(<= ULTIMATE.start_main_~i~4 362), 160034#(<= ULTIMATE.start_main_~i~4 372), 160035#(<= ULTIMATE.start_main_~i~4 374), 160032#(<= ULTIMATE.start_main_~i~4 368), 160033#(<= ULTIMATE.start_main_~i~4 370), 160038#(<= ULTIMATE.start_main_~i~4 380), 160039#(<= ULTIMATE.start_main_~i~4 382), 160036#(<= ULTIMATE.start_main_~i~4 376), 160037#(<= ULTIMATE.start_main_~i~4 378), 160042#(<= ULTIMATE.start_main_~i~4 388), 160043#(<= ULTIMATE.start_main_~i~4 390), 160040#(<= ULTIMATE.start_main_~i~4 384), 160041#(<= ULTIMATE.start_main_~i~4 386), 160046#(<= ULTIMATE.start_main_~i~4 396), 160047#(<= ULTIMATE.start_main_~i~4 398), 160044#(<= ULTIMATE.start_main_~i~4 392), 160045#(<= ULTIMATE.start_main_~i~4 394), 160050#(<= ULTIMATE.start_main_~i~4 404), 160051#(<= ULTIMATE.start_main_~i~4 406), 160048#(<= ULTIMATE.start_main_~i~4 400), 160049#(<= ULTIMATE.start_main_~i~4 402), 160054#(<= ULTIMATE.start_main_~i~4 412), 160055#(<= ULTIMATE.start_main_~i~4 414), 160052#(<= ULTIMATE.start_main_~i~4 408), 160053#(<= ULTIMATE.start_main_~i~4 410), 160058#(<= ULTIMATE.start_main_~i~4 420), 160059#(<= ULTIMATE.start_main_~i~4 422), 160056#(<= ULTIMATE.start_main_~i~4 416), 160057#(<= ULTIMATE.start_main_~i~4 418), 160062#(<= ULTIMATE.start_main_~i~4 428), 160063#(<= ULTIMATE.start_main_~i~4 430), 160060#(<= ULTIMATE.start_main_~i~4 424), 160061#(<= ULTIMATE.start_main_~i~4 426), 160066#(<= ULTIMATE.start_main_~i~4 436), 160067#(<= ULTIMATE.start_main_~i~4 438), 160064#(<= ULTIMATE.start_main_~i~4 432), 160065#(<= ULTIMATE.start_main_~i~4 434), 160070#(<= ULTIMATE.start_main_~i~4 444), 160071#(<= ULTIMATE.start_main_~i~4 446), 160068#(<= ULTIMATE.start_main_~i~4 440), 160069#(<= ULTIMATE.start_main_~i~4 442), 160074#(<= ULTIMATE.start_main_~i~4 452), 160075#(<= ULTIMATE.start_main_~i~4 454), 160072#(<= ULTIMATE.start_main_~i~4 448), 160073#(<= ULTIMATE.start_main_~i~4 450), 160078#(<= ULTIMATE.start_main_~i~4 460), 160079#(<= ULTIMATE.start_main_~i~4 462), 160076#(<= ULTIMATE.start_main_~i~4 456), 160077#(<= ULTIMATE.start_main_~i~4 458), 160082#(<= ULTIMATE.start_main_~i~4 468), 160083#(<= ULTIMATE.start_main_~i~4 470), 160080#(<= ULTIMATE.start_main_~i~4 464), 160081#(<= ULTIMATE.start_main_~i~4 466), 160086#(<= ULTIMATE.start_main_~i~4 476), 160087#(<= ULTIMATE.start_main_~i~4 478), 160084#(<= ULTIMATE.start_main_~i~4 472), 160085#(<= ULTIMATE.start_main_~i~4 474), 160090#(<= ULTIMATE.start_main_~i~4 484), 160091#(<= ULTIMATE.start_main_~i~4 486), 160088#(<= ULTIMATE.start_main_~i~4 480), 160089#(<= ULTIMATE.start_main_~i~4 482), 160094#(<= ULTIMATE.start_main_~i~4 492), 160095#(<= ULTIMATE.start_main_~i~4 494), 160092#(<= ULTIMATE.start_main_~i~4 488), 160093#(<= ULTIMATE.start_main_~i~4 490), 160096#(<= ULTIMATE.start_main_~i~4 496)] [2018-07-23 13:41:38,463 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 13:41:38,463 INFO L450 AbstractCegarLoop]: Interpolant automaton has 251 states [2018-07-23 13:41:38,465 INFO L132 InterpolantAutomaton]: Constructing interpolant automaton starting with 251 interpolants. [2018-07-23 13:41:38,466 INFO L133 InterpolantAutomaton]: CoverageRelationStatistics Valid=31375, Invalid=31375, Unknown=0, NotChecked=0, Total=62750 [2018-07-23 13:41:38,466 INFO L87 Difference]: Start difference. First operand 252 states and 252 transitions. Second operand 251 states. [2018-07-23 13:41:40,164 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2018-07-23 13:41:40,164 INFO L93 Difference]: Finished difference Result 255 states and 255 transitions. [2018-07-23 13:41:40,164 INFO L142 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 251 states. [2018-07-23 13:41:40,164 INFO L78 Accepts]: Start accepts. Automaton has 251 states. Word has length 251 [2018-07-23 13:41:40,164 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2018-07-23 13:41:40,165 INFO L225 Difference]: With dead ends: 255 [2018-07-23 13:41:40,165 INFO L226 Difference]: Without dead ends: 253 [2018-07-23 13:41:40,166 INFO L575 BasicCegarLoop]: 0 DeclaredPredicates, 250 GetRequests, 1 SyntacticMatches, 0 SemanticMatches, 249 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 0 ImplicationChecksByTransitivity, 1.4s TimeCoverageRelationStatistics Valid=31375, Invalid=31375, Unknown=0, NotChecked=0, Total=62750 [2018-07-23 13:41:40,166 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 253 states. [2018-07-23 13:41:40,169 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 253 to 253. [2018-07-23 13:41:40,169 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 253 states. [2018-07-23 13:41:40,169 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 253 states to 253 states and 253 transitions. [2018-07-23 13:41:40,169 INFO L78 Accepts]: Start accepts. Automaton has 253 states and 253 transitions. Word has length 251 [2018-07-23 13:41:40,170 INFO L84 Accepts]: Finished accepts. word is rejected. [2018-07-23 13:41:40,170 INFO L471 AbstractCegarLoop]: Abstraction has 253 states and 253 transitions. [2018-07-23 13:41:40,170 INFO L472 AbstractCegarLoop]: Interpolant automaton has 251 states. [2018-07-23 13:41:40,170 INFO L276 IsEmpty]: Start isEmpty. Operand 253 states and 253 transitions. [2018-07-23 13:41:40,170 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 253 [2018-07-23 13:41:40,170 INFO L349 BasicCegarLoop]: Found error trace [2018-07-23 13:41:40,171 INFO L357 BasicCegarLoop]: trace histogram [249, 1, 1, 1] [2018-07-23 13:41:40,171 INFO L414 AbstractCegarLoop]: === Iteration 250 === [ULTIMATE.startErr0AssertViolationASSERT]=== [2018-07-23 13:41:40,171 INFO L82 PathProgramCache]: Analyzing trace with hash 1487105704, now seen corresponding path program 249 times [2018-07-23 13:41:40,171 INFO L69 tionRefinementEngine]: Using refinement strategy FixedRefinementStrategy [2018-07-23 13:41:40,647 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-07-23 13:41:42,165 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 13:41:42,166 INFO L309 seRefinementStrategy]: Constructing automaton from 0 perfect and 1 imperfect interpolant sequences. [2018-07-23 13:41:42,166 INFO L324 seRefinementStrategy]: Number of different interpolants: perfect sequences [] imperfect sequences [251] total 251 [2018-07-23 13:41:42,166 INFO L142 lantAutomatonBuilder]: Constructing canonical interpolant automaton, with selfloop in false state [2018-07-23 13:41:42,166 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 13:41:42,166 INFO L185 omatonBuilderFactory]: Interpolants [161282#(<= ULTIMATE.start_main_~i~4 334), 161283#(<= ULTIMATE.start_main_~i~4 336), 161280#(<= ULTIMATE.start_main_~i~4 330), 161281#(<= ULTIMATE.start_main_~i~4 332), 161286#(<= ULTIMATE.start_main_~i~4 342), 161287#(<= ULTIMATE.start_main_~i~4 344), 161284#(<= ULTIMATE.start_main_~i~4 338), 161285#(<= ULTIMATE.start_main_~i~4 340), 161290#(<= ULTIMATE.start_main_~i~4 350), 161291#(<= ULTIMATE.start_main_~i~4 352), 161288#(<= ULTIMATE.start_main_~i~4 346), 161289#(<= ULTIMATE.start_main_~i~4 348), 161294#(<= ULTIMATE.start_main_~i~4 358), 161295#(<= ULTIMATE.start_main_~i~4 360), 161292#(<= ULTIMATE.start_main_~i~4 354), 161293#(<= ULTIMATE.start_main_~i~4 356), 161298#(<= ULTIMATE.start_main_~i~4 366), 161299#(<= ULTIMATE.start_main_~i~4 368), 161296#(<= ULTIMATE.start_main_~i~4 362), 161297#(<= ULTIMATE.start_main_~i~4 364), 161302#(<= ULTIMATE.start_main_~i~4 374), 161303#(<= ULTIMATE.start_main_~i~4 376), 161300#(<= ULTIMATE.start_main_~i~4 370), 161301#(<= ULTIMATE.start_main_~i~4 372), 161306#(<= ULTIMATE.start_main_~i~4 382), 161307#(<= ULTIMATE.start_main_~i~4 384), 161304#(<= ULTIMATE.start_main_~i~4 378), 161305#(<= ULTIMATE.start_main_~i~4 380), 161310#(<= ULTIMATE.start_main_~i~4 390), 161311#(<= ULTIMATE.start_main_~i~4 392), 161308#(<= ULTIMATE.start_main_~i~4 386), 161309#(<= ULTIMATE.start_main_~i~4 388), 161314#(<= ULTIMATE.start_main_~i~4 398), 161315#(<= ULTIMATE.start_main_~i~4 400), 161312#(<= ULTIMATE.start_main_~i~4 394), 161313#(<= ULTIMATE.start_main_~i~4 396), 161318#(<= ULTIMATE.start_main_~i~4 406), 161319#(<= ULTIMATE.start_main_~i~4 408), 161316#(<= ULTIMATE.start_main_~i~4 402), 161317#(<= ULTIMATE.start_main_~i~4 404), 161322#(<= ULTIMATE.start_main_~i~4 414), 161323#(<= ULTIMATE.start_main_~i~4 416), 161320#(<= ULTIMATE.start_main_~i~4 410), 161321#(<= ULTIMATE.start_main_~i~4 412), 161326#(<= ULTIMATE.start_main_~i~4 422), 161327#(<= ULTIMATE.start_main_~i~4 424), 161324#(<= ULTIMATE.start_main_~i~4 418), 161325#(<= ULTIMATE.start_main_~i~4 420), 161330#(<= ULTIMATE.start_main_~i~4 430), 161331#(<= ULTIMATE.start_main_~i~4 432), 161328#(<= ULTIMATE.start_main_~i~4 426), 161329#(<= ULTIMATE.start_main_~i~4 428), 161334#(<= ULTIMATE.start_main_~i~4 438), 161335#(<= ULTIMATE.start_main_~i~4 440), 161332#(<= ULTIMATE.start_main_~i~4 434), 161333#(<= ULTIMATE.start_main_~i~4 436), 161338#(<= ULTIMATE.start_main_~i~4 446), 161339#(<= ULTIMATE.start_main_~i~4 448), 161336#(<= ULTIMATE.start_main_~i~4 442), 161337#(<= ULTIMATE.start_main_~i~4 444), 161342#(<= ULTIMATE.start_main_~i~4 454), 161343#(<= ULTIMATE.start_main_~i~4 456), 161340#(<= ULTIMATE.start_main_~i~4 450), 161341#(<= ULTIMATE.start_main_~i~4 452), 161346#(<= ULTIMATE.start_main_~i~4 462), 161347#(<= ULTIMATE.start_main_~i~4 464), 161344#(<= ULTIMATE.start_main_~i~4 458), 161345#(<= ULTIMATE.start_main_~i~4 460), 161350#(<= ULTIMATE.start_main_~i~4 470), 161351#(<= ULTIMATE.start_main_~i~4 472), 161348#(<= ULTIMATE.start_main_~i~4 466), 161349#(<= ULTIMATE.start_main_~i~4 468), 161354#(<= ULTIMATE.start_main_~i~4 478), 161355#(<= ULTIMATE.start_main_~i~4 480), 161352#(<= ULTIMATE.start_main_~i~4 474), 161353#(<= ULTIMATE.start_main_~i~4 476), 161358#(<= ULTIMATE.start_main_~i~4 486), 161359#(<= ULTIMATE.start_main_~i~4 488), 161356#(<= ULTIMATE.start_main_~i~4 482), 161357#(<= ULTIMATE.start_main_~i~4 484), 161362#(<= ULTIMATE.start_main_~i~4 494), 161363#(<= ULTIMATE.start_main_~i~4 496), 161360#(<= ULTIMATE.start_main_~i~4 490), 161361#(<= ULTIMATE.start_main_~i~4 492), 161364#(<= ULTIMATE.start_main_~i~4 498), 161114#false, 161115#(<= ULTIMATE.start_main_~i~4 0), 161113#true, 161118#(<= ULTIMATE.start_main_~i~4 6), 161119#(<= ULTIMATE.start_main_~i~4 8), 161116#(<= ULTIMATE.start_main_~i~4 2), 161117#(<= ULTIMATE.start_main_~i~4 4), 161122#(<= ULTIMATE.start_main_~i~4 14), 161123#(<= ULTIMATE.start_main_~i~4 16), 161120#(<= ULTIMATE.start_main_~i~4 10), 161121#(<= ULTIMATE.start_main_~i~4 12), 161126#(<= ULTIMATE.start_main_~i~4 22), 161127#(<= ULTIMATE.start_main_~i~4 24), 161124#(<= ULTIMATE.start_main_~i~4 18), 161125#(<= ULTIMATE.start_main_~i~4 20), 161130#(<= ULTIMATE.start_main_~i~4 30), 161131#(<= ULTIMATE.start_main_~i~4 32), 161128#(<= ULTIMATE.start_main_~i~4 26), 161129#(<= ULTIMATE.start_main_~i~4 28), 161134#(<= ULTIMATE.start_main_~i~4 38), 161135#(<= ULTIMATE.start_main_~i~4 40), 161132#(<= ULTIMATE.start_main_~i~4 34), 161133#(<= ULTIMATE.start_main_~i~4 36), 161138#(<= ULTIMATE.start_main_~i~4 46), 161139#(<= ULTIMATE.start_main_~i~4 48), 161136#(<= ULTIMATE.start_main_~i~4 42), 161137#(<= ULTIMATE.start_main_~i~4 44), 161142#(<= ULTIMATE.start_main_~i~4 54), 161143#(<= ULTIMATE.start_main_~i~4 56), 161140#(<= ULTIMATE.start_main_~i~4 50), 161141#(<= ULTIMATE.start_main_~i~4 52), 161146#(<= ULTIMATE.start_main_~i~4 62), 161147#(<= ULTIMATE.start_main_~i~4 64), 161144#(<= ULTIMATE.start_main_~i~4 58), 161145#(<= ULTIMATE.start_main_~i~4 60), 161150#(<= ULTIMATE.start_main_~i~4 70), 161151#(<= ULTIMATE.start_main_~i~4 72), 161148#(<= ULTIMATE.start_main_~i~4 66), 161149#(<= ULTIMATE.start_main_~i~4 68), 161154#(<= ULTIMATE.start_main_~i~4 78), 161155#(<= ULTIMATE.start_main_~i~4 80), 161152#(<= ULTIMATE.start_main_~i~4 74), 161153#(<= ULTIMATE.start_main_~i~4 76), 161158#(<= ULTIMATE.start_main_~i~4 86), 161159#(<= ULTIMATE.start_main_~i~4 88), 161156#(<= ULTIMATE.start_main_~i~4 82), 161157#(<= ULTIMATE.start_main_~i~4 84), 161162#(<= ULTIMATE.start_main_~i~4 94), 161163#(<= ULTIMATE.start_main_~i~4 96), 161160#(<= ULTIMATE.start_main_~i~4 90), 161161#(<= ULTIMATE.start_main_~i~4 92), 161166#(<= ULTIMATE.start_main_~i~4 102), 161167#(<= ULTIMATE.start_main_~i~4 104), 161164#(<= ULTIMATE.start_main_~i~4 98), 161165#(<= ULTIMATE.start_main_~i~4 100), 161170#(<= ULTIMATE.start_main_~i~4 110), 161171#(<= ULTIMATE.start_main_~i~4 112), 161168#(<= ULTIMATE.start_main_~i~4 106), 161169#(<= ULTIMATE.start_main_~i~4 108), 161174#(<= ULTIMATE.start_main_~i~4 118), 161175#(<= ULTIMATE.start_main_~i~4 120), 161172#(<= ULTIMATE.start_main_~i~4 114), 161173#(<= ULTIMATE.start_main_~i~4 116), 161178#(<= ULTIMATE.start_main_~i~4 126), 161179#(<= ULTIMATE.start_main_~i~4 128), 161176#(<= ULTIMATE.start_main_~i~4 122), 161177#(<= ULTIMATE.start_main_~i~4 124), 161182#(<= ULTIMATE.start_main_~i~4 134), 161183#(<= ULTIMATE.start_main_~i~4 136), 161180#(<= ULTIMATE.start_main_~i~4 130), 161181#(<= ULTIMATE.start_main_~i~4 132), 161186#(<= ULTIMATE.start_main_~i~4 142), 161187#(<= ULTIMATE.start_main_~i~4 144), 161184#(<= ULTIMATE.start_main_~i~4 138), 161185#(<= ULTIMATE.start_main_~i~4 140), 161190#(<= ULTIMATE.start_main_~i~4 150), 161191#(<= ULTIMATE.start_main_~i~4 152), 161188#(<= ULTIMATE.start_main_~i~4 146), 161189#(<= ULTIMATE.start_main_~i~4 148), 161194#(<= ULTIMATE.start_main_~i~4 158), 161195#(<= ULTIMATE.start_main_~i~4 160), 161192#(<= ULTIMATE.start_main_~i~4 154), 161193#(<= ULTIMATE.start_main_~i~4 156), 161198#(<= ULTIMATE.start_main_~i~4 166), 161199#(<= ULTIMATE.start_main_~i~4 168), 161196#(<= ULTIMATE.start_main_~i~4 162), 161197#(<= ULTIMATE.start_main_~i~4 164), 161202#(<= ULTIMATE.start_main_~i~4 174), 161203#(<= ULTIMATE.start_main_~i~4 176), 161200#(<= ULTIMATE.start_main_~i~4 170), 161201#(<= ULTIMATE.start_main_~i~4 172), 161206#(<= ULTIMATE.start_main_~i~4 182), 161207#(<= ULTIMATE.start_main_~i~4 184), 161204#(<= ULTIMATE.start_main_~i~4 178), 161205#(<= ULTIMATE.start_main_~i~4 180), 161210#(<= ULTIMATE.start_main_~i~4 190), 161211#(<= ULTIMATE.start_main_~i~4 192), 161208#(<= ULTIMATE.start_main_~i~4 186), 161209#(<= ULTIMATE.start_main_~i~4 188), 161214#(<= ULTIMATE.start_main_~i~4 198), 161215#(<= ULTIMATE.start_main_~i~4 200), 161212#(<= ULTIMATE.start_main_~i~4 194), 161213#(<= ULTIMATE.start_main_~i~4 196), 161218#(<= ULTIMATE.start_main_~i~4 206), 161219#(<= ULTIMATE.start_main_~i~4 208), 161216#(<= ULTIMATE.start_main_~i~4 202), 161217#(<= ULTIMATE.start_main_~i~4 204), 161222#(<= ULTIMATE.start_main_~i~4 214), 161223#(<= ULTIMATE.start_main_~i~4 216), 161220#(<= ULTIMATE.start_main_~i~4 210), 161221#(<= ULTIMATE.start_main_~i~4 212), 161226#(<= ULTIMATE.start_main_~i~4 222), 161227#(<= ULTIMATE.start_main_~i~4 224), 161224#(<= ULTIMATE.start_main_~i~4 218), 161225#(<= ULTIMATE.start_main_~i~4 220), 161230#(<= ULTIMATE.start_main_~i~4 230), 161231#(<= ULTIMATE.start_main_~i~4 232), 161228#(<= ULTIMATE.start_main_~i~4 226), 161229#(<= ULTIMATE.start_main_~i~4 228), 161234#(<= ULTIMATE.start_main_~i~4 238), 161235#(<= ULTIMATE.start_main_~i~4 240), 161232#(<= ULTIMATE.start_main_~i~4 234), 161233#(<= ULTIMATE.start_main_~i~4 236), 161238#(<= ULTIMATE.start_main_~i~4 246), 161239#(<= ULTIMATE.start_main_~i~4 248), 161236#(<= ULTIMATE.start_main_~i~4 242), 161237#(<= ULTIMATE.start_main_~i~4 244), 161242#(<= ULTIMATE.start_main_~i~4 254), 161243#(<= ULTIMATE.start_main_~i~4 256), 161240#(<= ULTIMATE.start_main_~i~4 250), 161241#(<= ULTIMATE.start_main_~i~4 252), 161246#(<= ULTIMATE.start_main_~i~4 262), 161247#(<= ULTIMATE.start_main_~i~4 264), 161244#(<= ULTIMATE.start_main_~i~4 258), 161245#(<= ULTIMATE.start_main_~i~4 260), 161250#(<= ULTIMATE.start_main_~i~4 270), 161251#(<= ULTIMATE.start_main_~i~4 272), 161248#(<= ULTIMATE.start_main_~i~4 266), 161249#(<= ULTIMATE.start_main_~i~4 268), 161254#(<= ULTIMATE.start_main_~i~4 278), 161255#(<= ULTIMATE.start_main_~i~4 280), 161252#(<= ULTIMATE.start_main_~i~4 274), 161253#(<= ULTIMATE.start_main_~i~4 276), 161258#(<= ULTIMATE.start_main_~i~4 286), 161259#(<= ULTIMATE.start_main_~i~4 288), 161256#(<= ULTIMATE.start_main_~i~4 282), 161257#(<= ULTIMATE.start_main_~i~4 284), 161262#(<= ULTIMATE.start_main_~i~4 294), 161263#(<= ULTIMATE.start_main_~i~4 296), 161260#(<= ULTIMATE.start_main_~i~4 290), 161261#(<= ULTIMATE.start_main_~i~4 292), 161266#(<= ULTIMATE.start_main_~i~4 302), 161267#(<= ULTIMATE.start_main_~i~4 304), 161264#(<= ULTIMATE.start_main_~i~4 298), 161265#(<= ULTIMATE.start_main_~i~4 300), 161270#(<= ULTIMATE.start_main_~i~4 310), 161271#(<= ULTIMATE.start_main_~i~4 312), 161268#(<= ULTIMATE.start_main_~i~4 306), 161269#(<= ULTIMATE.start_main_~i~4 308), 161274#(<= ULTIMATE.start_main_~i~4 318), 161275#(<= ULTIMATE.start_main_~i~4 320), 161272#(<= ULTIMATE.start_main_~i~4 314), 161273#(<= ULTIMATE.start_main_~i~4 316), 161278#(<= ULTIMATE.start_main_~i~4 326), 161279#(<= ULTIMATE.start_main_~i~4 328), 161276#(<= ULTIMATE.start_main_~i~4 322), 161277#(<= ULTIMATE.start_main_~i~4 324)] [2018-07-23 13:41:42,168 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 13:41:42,168 INFO L450 AbstractCegarLoop]: Interpolant automaton has 252 states [2018-07-23 13:41:42,173 INFO L132 InterpolantAutomaton]: Constructing interpolant automaton starting with 252 interpolants. [2018-07-23 13:41:42,176 INFO L133 InterpolantAutomaton]: CoverageRelationStatistics Valid=31626, Invalid=31626, Unknown=0, NotChecked=0, Total=63252 [2018-07-23 13:41:42,176 INFO L87 Difference]: Start difference. First operand 253 states and 253 transitions. Second operand 252 states. [2018-07-23 13:41:42,918 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2018-07-23 13:41:42,919 INFO L93 Difference]: Finished difference Result 256 states and 256 transitions. [2018-07-23 13:41:42,919 INFO L142 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 252 states. [2018-07-23 13:41:42,919 INFO L78 Accepts]: Start accepts. Automaton has 252 states. Word has length 252 [2018-07-23 13:41:42,919 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2018-07-23 13:41:42,919 INFO L225 Difference]: With dead ends: 256 [2018-07-23 13:41:42,919 INFO L226 Difference]: Without dead ends: 254 [2018-07-23 13:41:42,922 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 13:41:42,922 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 254 states. [2018-07-23 13:41:42,925 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 254 to 254. [2018-07-23 13:41:42,925 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 254 states. [2018-07-23 13:41:42,925 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 254 states to 254 states and 254 transitions. [2018-07-23 13:41:42,925 INFO L78 Accepts]: Start accepts. Automaton has 254 states and 254 transitions. Word has length 252 [2018-07-23 13:41:42,925 INFO L84 Accepts]: Finished accepts. word is rejected. [2018-07-23 13:41:42,925 INFO L471 AbstractCegarLoop]: Abstraction has 254 states and 254 transitions. [2018-07-23 13:41:42,925 INFO L472 AbstractCegarLoop]: Interpolant automaton has 252 states. [2018-07-23 13:41:42,925 INFO L276 IsEmpty]: Start isEmpty. Operand 254 states and 254 transitions. [2018-07-23 13:41:42,926 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 254 [2018-07-23 13:41:42,926 INFO L349 BasicCegarLoop]: Found error trace [2018-07-23 13:41:42,926 INFO L357 BasicCegarLoop]: trace histogram [250, 1, 1, 1] [2018-07-23 13:41:42,926 INFO L414 AbstractCegarLoop]: === Iteration 251 === [ULTIMATE.startErr0AssertViolationASSERT]=== [2018-07-23 13:41:42,926 INFO L82 PathProgramCache]: Analyzing trace with hash -1144365407, now seen corresponding path program 250 times [2018-07-23 13:41:42,926 INFO L69 tionRefinementEngine]: Using refinement strategy FixedRefinementStrategy [2018-07-23 13:41:43,363 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-07-23 13:41:45,002 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 13:41:45,002 INFO L309 seRefinementStrategy]: Constructing automaton from 0 perfect and 1 imperfect interpolant sequences. [2018-07-23 13:41:45,002 INFO L324 seRefinementStrategy]: Number of different interpolants: perfect sequences [] imperfect sequences [252] total 252 [2018-07-23 13:41:45,002 INFO L142 lantAutomatonBuilder]: Constructing canonical interpolant automaton, with selfloop in false state [2018-07-23 13:41:45,003 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2018-07-23 13:41:45,003 INFO L185 omatonBuilderFactory]: Interpolants [162386#false, 162387#(<= ULTIMATE.start_main_~i~4 0), 162385#true, 162390#(<= ULTIMATE.start_main_~i~4 6), 162391#(<= ULTIMATE.start_main_~i~4 8), 162388#(<= ULTIMATE.start_main_~i~4 2), 162389#(<= ULTIMATE.start_main_~i~4 4), 162394#(<= ULTIMATE.start_main_~i~4 14), 162395#(<= ULTIMATE.start_main_~i~4 16), 162392#(<= ULTIMATE.start_main_~i~4 10), 162393#(<= ULTIMATE.start_main_~i~4 12), 162398#(<= ULTIMATE.start_main_~i~4 22), 162399#(<= ULTIMATE.start_main_~i~4 24), 162396#(<= ULTIMATE.start_main_~i~4 18), 162397#(<= ULTIMATE.start_main_~i~4 20), 162402#(<= ULTIMATE.start_main_~i~4 30), 162403#(<= ULTIMATE.start_main_~i~4 32), 162400#(<= ULTIMATE.start_main_~i~4 26), 162401#(<= ULTIMATE.start_main_~i~4 28), 162406#(<= ULTIMATE.start_main_~i~4 38), 162407#(<= ULTIMATE.start_main_~i~4 40), 162404#(<= ULTIMATE.start_main_~i~4 34), 162405#(<= ULTIMATE.start_main_~i~4 36), 162410#(<= ULTIMATE.start_main_~i~4 46), 162411#(<= ULTIMATE.start_main_~i~4 48), 162408#(<= ULTIMATE.start_main_~i~4 42), 162409#(<= ULTIMATE.start_main_~i~4 44), 162414#(<= ULTIMATE.start_main_~i~4 54), 162415#(<= ULTIMATE.start_main_~i~4 56), 162412#(<= ULTIMATE.start_main_~i~4 50), 162413#(<= ULTIMATE.start_main_~i~4 52), 162418#(<= ULTIMATE.start_main_~i~4 62), 162419#(<= ULTIMATE.start_main_~i~4 64), 162416#(<= ULTIMATE.start_main_~i~4 58), 162417#(<= ULTIMATE.start_main_~i~4 60), 162422#(<= ULTIMATE.start_main_~i~4 70), 162423#(<= ULTIMATE.start_main_~i~4 72), 162420#(<= ULTIMATE.start_main_~i~4 66), 162421#(<= ULTIMATE.start_main_~i~4 68), 162426#(<= ULTIMATE.start_main_~i~4 78), 162427#(<= ULTIMATE.start_main_~i~4 80), 162424#(<= ULTIMATE.start_main_~i~4 74), 162425#(<= ULTIMATE.start_main_~i~4 76), 162430#(<= ULTIMATE.start_main_~i~4 86), 162431#(<= ULTIMATE.start_main_~i~4 88), 162428#(<= ULTIMATE.start_main_~i~4 82), 162429#(<= ULTIMATE.start_main_~i~4 84), 162434#(<= ULTIMATE.start_main_~i~4 94), 162435#(<= ULTIMATE.start_main_~i~4 96), 162432#(<= ULTIMATE.start_main_~i~4 90), 162433#(<= ULTIMATE.start_main_~i~4 92), 162438#(<= ULTIMATE.start_main_~i~4 102), 162439#(<= ULTIMATE.start_main_~i~4 104), 162436#(<= ULTIMATE.start_main_~i~4 98), 162437#(<= ULTIMATE.start_main_~i~4 100), 162442#(<= ULTIMATE.start_main_~i~4 110), 162443#(<= ULTIMATE.start_main_~i~4 112), 162440#(<= ULTIMATE.start_main_~i~4 106), 162441#(<= ULTIMATE.start_main_~i~4 108), 162446#(<= ULTIMATE.start_main_~i~4 118), 162447#(<= ULTIMATE.start_main_~i~4 120), 162444#(<= ULTIMATE.start_main_~i~4 114), 162445#(<= ULTIMATE.start_main_~i~4 116), 162450#(<= ULTIMATE.start_main_~i~4 126), 162451#(<= ULTIMATE.start_main_~i~4 128), 162448#(<= ULTIMATE.start_main_~i~4 122), 162449#(<= ULTIMATE.start_main_~i~4 124), 162454#(<= ULTIMATE.start_main_~i~4 134), 162455#(<= ULTIMATE.start_main_~i~4 136), 162452#(<= ULTIMATE.start_main_~i~4 130), 162453#(<= ULTIMATE.start_main_~i~4 132), 162458#(<= ULTIMATE.start_main_~i~4 142), 162459#(<= ULTIMATE.start_main_~i~4 144), 162456#(<= ULTIMATE.start_main_~i~4 138), 162457#(<= ULTIMATE.start_main_~i~4 140), 162462#(<= ULTIMATE.start_main_~i~4 150), 162463#(<= ULTIMATE.start_main_~i~4 152), 162460#(<= ULTIMATE.start_main_~i~4 146), 162461#(<= ULTIMATE.start_main_~i~4 148), 162466#(<= ULTIMATE.start_main_~i~4 158), 162467#(<= ULTIMATE.start_main_~i~4 160), 162464#(<= ULTIMATE.start_main_~i~4 154), 162465#(<= ULTIMATE.start_main_~i~4 156), 162470#(<= ULTIMATE.start_main_~i~4 166), 162471#(<= ULTIMATE.start_main_~i~4 168), 162468#(<= ULTIMATE.start_main_~i~4 162), 162469#(<= ULTIMATE.start_main_~i~4 164), 162474#(<= ULTIMATE.start_main_~i~4 174), 162475#(<= ULTIMATE.start_main_~i~4 176), 162472#(<= ULTIMATE.start_main_~i~4 170), 162473#(<= ULTIMATE.start_main_~i~4 172), 162478#(<= ULTIMATE.start_main_~i~4 182), 162479#(<= ULTIMATE.start_main_~i~4 184), 162476#(<= ULTIMATE.start_main_~i~4 178), 162477#(<= ULTIMATE.start_main_~i~4 180), 162482#(<= ULTIMATE.start_main_~i~4 190), 162483#(<= ULTIMATE.start_main_~i~4 192), 162480#(<= ULTIMATE.start_main_~i~4 186), 162481#(<= ULTIMATE.start_main_~i~4 188), 162486#(<= ULTIMATE.start_main_~i~4 198), 162487#(<= ULTIMATE.start_main_~i~4 200), 162484#(<= ULTIMATE.start_main_~i~4 194), 162485#(<= ULTIMATE.start_main_~i~4 196), 162490#(<= ULTIMATE.start_main_~i~4 206), 162491#(<= ULTIMATE.start_main_~i~4 208), 162488#(<= ULTIMATE.start_main_~i~4 202), 162489#(<= ULTIMATE.start_main_~i~4 204), 162494#(<= ULTIMATE.start_main_~i~4 214), 162495#(<= ULTIMATE.start_main_~i~4 216), 162492#(<= ULTIMATE.start_main_~i~4 210), 162493#(<= ULTIMATE.start_main_~i~4 212), 162498#(<= ULTIMATE.start_main_~i~4 222), 162499#(<= ULTIMATE.start_main_~i~4 224), 162496#(<= ULTIMATE.start_main_~i~4 218), 162497#(<= ULTIMATE.start_main_~i~4 220), 162502#(<= ULTIMATE.start_main_~i~4 230), 162503#(<= ULTIMATE.start_main_~i~4 232), 162500#(<= ULTIMATE.start_main_~i~4 226), 162501#(<= ULTIMATE.start_main_~i~4 228), 162506#(<= ULTIMATE.start_main_~i~4 238), 162507#(<= ULTIMATE.start_main_~i~4 240), 162504#(<= ULTIMATE.start_main_~i~4 234), 162505#(<= ULTIMATE.start_main_~i~4 236), 162510#(<= ULTIMATE.start_main_~i~4 246), 162511#(<= ULTIMATE.start_main_~i~4 248), 162508#(<= ULTIMATE.start_main_~i~4 242), 162509#(<= ULTIMATE.start_main_~i~4 244), 162514#(<= ULTIMATE.start_main_~i~4 254), 162515#(<= ULTIMATE.start_main_~i~4 256), 162512#(<= ULTIMATE.start_main_~i~4 250), 162513#(<= ULTIMATE.start_main_~i~4 252), 162518#(<= ULTIMATE.start_main_~i~4 262), 162519#(<= ULTIMATE.start_main_~i~4 264), 162516#(<= ULTIMATE.start_main_~i~4 258), 162517#(<= ULTIMATE.start_main_~i~4 260), 162522#(<= ULTIMATE.start_main_~i~4 270), 162523#(<= ULTIMATE.start_main_~i~4 272), 162520#(<= ULTIMATE.start_main_~i~4 266), 162521#(<= ULTIMATE.start_main_~i~4 268), 162526#(<= ULTIMATE.start_main_~i~4 278), 162527#(<= ULTIMATE.start_main_~i~4 280), 162524#(<= ULTIMATE.start_main_~i~4 274), 162525#(<= ULTIMATE.start_main_~i~4 276), 162530#(<= ULTIMATE.start_main_~i~4 286), 162531#(<= ULTIMATE.start_main_~i~4 288), 162528#(<= ULTIMATE.start_main_~i~4 282), 162529#(<= ULTIMATE.start_main_~i~4 284), 162534#(<= ULTIMATE.start_main_~i~4 294), 162535#(<= ULTIMATE.start_main_~i~4 296), 162532#(<= ULTIMATE.start_main_~i~4 290), 162533#(<= ULTIMATE.start_main_~i~4 292), 162538#(<= ULTIMATE.start_main_~i~4 302), 162539#(<= ULTIMATE.start_main_~i~4 304), 162536#(<= ULTIMATE.start_main_~i~4 298), 162537#(<= ULTIMATE.start_main_~i~4 300), 162542#(<= ULTIMATE.start_main_~i~4 310), 162543#(<= ULTIMATE.start_main_~i~4 312), 162540#(<= ULTIMATE.start_main_~i~4 306), 162541#(<= ULTIMATE.start_main_~i~4 308), 162546#(<= ULTIMATE.start_main_~i~4 318), 162547#(<= ULTIMATE.start_main_~i~4 320), 162544#(<= ULTIMATE.start_main_~i~4 314), 162545#(<= ULTIMATE.start_main_~i~4 316), 162550#(<= ULTIMATE.start_main_~i~4 326), 162551#(<= ULTIMATE.start_main_~i~4 328), 162548#(<= ULTIMATE.start_main_~i~4 322), 162549#(<= ULTIMATE.start_main_~i~4 324), 162554#(<= ULTIMATE.start_main_~i~4 334), 162555#(<= ULTIMATE.start_main_~i~4 336), 162552#(<= ULTIMATE.start_main_~i~4 330), 162553#(<= ULTIMATE.start_main_~i~4 332), 162558#(<= ULTIMATE.start_main_~i~4 342), 162559#(<= ULTIMATE.start_main_~i~4 344), 162556#(<= ULTIMATE.start_main_~i~4 338), 162557#(<= ULTIMATE.start_main_~i~4 340), 162562#(<= ULTIMATE.start_main_~i~4 350), 162563#(<= ULTIMATE.start_main_~i~4 352), 162560#(<= ULTIMATE.start_main_~i~4 346), 162561#(<= ULTIMATE.start_main_~i~4 348), 162566#(<= ULTIMATE.start_main_~i~4 358), 162567#(<= ULTIMATE.start_main_~i~4 360), 162564#(<= ULTIMATE.start_main_~i~4 354), 162565#(<= ULTIMATE.start_main_~i~4 356), 162570#(<= ULTIMATE.start_main_~i~4 366), 162571#(<= ULTIMATE.start_main_~i~4 368), 162568#(<= ULTIMATE.start_main_~i~4 362), 162569#(<= ULTIMATE.start_main_~i~4 364), 162574#(<= ULTIMATE.start_main_~i~4 374), 162575#(<= ULTIMATE.start_main_~i~4 376), 162572#(<= ULTIMATE.start_main_~i~4 370), 162573#(<= ULTIMATE.start_main_~i~4 372), 162578#(<= ULTIMATE.start_main_~i~4 382), 162579#(<= ULTIMATE.start_main_~i~4 384), 162576#(<= ULTIMATE.start_main_~i~4 378), 162577#(<= ULTIMATE.start_main_~i~4 380), 162582#(<= ULTIMATE.start_main_~i~4 390), 162583#(<= ULTIMATE.start_main_~i~4 392), 162580#(<= ULTIMATE.start_main_~i~4 386), 162581#(<= ULTIMATE.start_main_~i~4 388), 162586#(<= ULTIMATE.start_main_~i~4 398), 162587#(<= ULTIMATE.start_main_~i~4 400), 162584#(<= ULTIMATE.start_main_~i~4 394), 162585#(<= ULTIMATE.start_main_~i~4 396), 162590#(<= ULTIMATE.start_main_~i~4 406), 162591#(<= ULTIMATE.start_main_~i~4 408), 162588#(<= ULTIMATE.start_main_~i~4 402), 162589#(<= ULTIMATE.start_main_~i~4 404), 162594#(<= ULTIMATE.start_main_~i~4 414), 162595#(<= ULTIMATE.start_main_~i~4 416), 162592#(<= ULTIMATE.start_main_~i~4 410), 162593#(<= ULTIMATE.start_main_~i~4 412), 162598#(<= ULTIMATE.start_main_~i~4 422), 162599#(<= ULTIMATE.start_main_~i~4 424), 162596#(<= ULTIMATE.start_main_~i~4 418), 162597#(<= ULTIMATE.start_main_~i~4 420), 162602#(<= ULTIMATE.start_main_~i~4 430), 162603#(<= ULTIMATE.start_main_~i~4 432), 162600#(<= ULTIMATE.start_main_~i~4 426), 162601#(<= ULTIMATE.start_main_~i~4 428), 162606#(<= ULTIMATE.start_main_~i~4 438), 162607#(<= ULTIMATE.start_main_~i~4 440), 162604#(<= ULTIMATE.start_main_~i~4 434), 162605#(<= ULTIMATE.start_main_~i~4 436), 162610#(<= ULTIMATE.start_main_~i~4 446), 162611#(<= ULTIMATE.start_main_~i~4 448), 162608#(<= ULTIMATE.start_main_~i~4 442), 162609#(<= ULTIMATE.start_main_~i~4 444), 162614#(<= ULTIMATE.start_main_~i~4 454), 162615#(<= ULTIMATE.start_main_~i~4 456), 162612#(<= ULTIMATE.start_main_~i~4 450), 162613#(<= ULTIMATE.start_main_~i~4 452), 162618#(<= ULTIMATE.start_main_~i~4 462), 162619#(<= ULTIMATE.start_main_~i~4 464), 162616#(<= ULTIMATE.start_main_~i~4 458), 162617#(<= ULTIMATE.start_main_~i~4 460), 162622#(<= ULTIMATE.start_main_~i~4 470), 162623#(<= ULTIMATE.start_main_~i~4 472), 162620#(<= ULTIMATE.start_main_~i~4 466), 162621#(<= ULTIMATE.start_main_~i~4 468), 162626#(<= ULTIMATE.start_main_~i~4 478), 162627#(<= ULTIMATE.start_main_~i~4 480), 162624#(<= ULTIMATE.start_main_~i~4 474), 162625#(<= ULTIMATE.start_main_~i~4 476), 162630#(<= ULTIMATE.start_main_~i~4 486), 162631#(<= ULTIMATE.start_main_~i~4 488), 162628#(<= ULTIMATE.start_main_~i~4 482), 162629#(<= ULTIMATE.start_main_~i~4 484), 162634#(<= ULTIMATE.start_main_~i~4 494), 162635#(<= ULTIMATE.start_main_~i~4 496), 162632#(<= ULTIMATE.start_main_~i~4 490), 162633#(<= ULTIMATE.start_main_~i~4 492), 162636#(<= ULTIMATE.start_main_~i~4 498), 162637#(<= ULTIMATE.start_main_~i~4 500)] [2018-07-23 13:41:45,005 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 13:41:45,005 INFO L450 AbstractCegarLoop]: Interpolant automaton has 253 states [2018-07-23 13:41:45,009 INFO L132 InterpolantAutomaton]: Constructing interpolant automaton starting with 253 interpolants. [2018-07-23 13:41:45,011 INFO L133 InterpolantAutomaton]: CoverageRelationStatistics Valid=31878, Invalid=31878, Unknown=0, NotChecked=0, Total=63756 [2018-07-23 13:41:45,012 INFO L87 Difference]: Start difference. First operand 254 states and 254 transitions. Second operand 253 states. [2018-07-23 13:41:47,100 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2018-07-23 13:41:47,100 INFO L93 Difference]: Finished difference Result 257 states and 257 transitions. [2018-07-23 13:41:47,100 INFO L142 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 253 states. [2018-07-23 13:41:47,100 INFO L78 Accepts]: Start accepts. Automaton has 253 states. Word has length 253 [2018-07-23 13:41:47,100 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2018-07-23 13:41:47,101 INFO L225 Difference]: With dead ends: 257 [2018-07-23 13:41:47,101 INFO L226 Difference]: Without dead ends: 255 [2018-07-23 13:41:47,104 INFO L575 BasicCegarLoop]: 0 DeclaredPredicates, 252 GetRequests, 1 SyntacticMatches, 0 SemanticMatches, 251 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 0 ImplicationChecksByTransitivity, 1.4s TimeCoverageRelationStatistics Valid=31878, Invalid=31878, Unknown=0, NotChecked=0, Total=63756 [2018-07-23 13:41:47,105 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 255 states. [2018-07-23 13:41:47,107 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 255 to 255. [2018-07-23 13:41:47,107 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 255 states. [2018-07-23 13:41:47,107 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 255 states to 255 states and 255 transitions. [2018-07-23 13:41:47,108 INFO L78 Accepts]: Start accepts. Automaton has 255 states and 255 transitions. Word has length 253 [2018-07-23 13:41:47,108 INFO L84 Accepts]: Finished accepts. word is rejected. [2018-07-23 13:41:47,108 INFO L471 AbstractCegarLoop]: Abstraction has 255 states and 255 transitions. [2018-07-23 13:41:47,108 INFO L472 AbstractCegarLoop]: Interpolant automaton has 253 states. [2018-07-23 13:41:47,108 INFO L276 IsEmpty]: Start isEmpty. Operand 255 states and 255 transitions. [2018-07-23 13:41:47,108 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 255 [2018-07-23 13:41:47,109 INFO L349 BasicCegarLoop]: Found error trace [2018-07-23 13:41:47,109 INFO L357 BasicCegarLoop]: trace histogram [251, 1, 1, 1] [2018-07-23 13:41:47,109 INFO L414 AbstractCegarLoop]: === Iteration 252 === [ULTIMATE.startErr0AssertViolationASSERT]=== [2018-07-23 13:41:47,109 INFO L82 PathProgramCache]: Analyzing trace with hash -1115591224, now seen corresponding path program 251 times [2018-07-23 13:41:47,109 INFO L69 tionRefinementEngine]: Using refinement strategy FixedRefinementStrategy [2018-07-23 13:41:47,535 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat Received shutdown request... [2018-07-23 13:41:48,718 WARN L540 AbstractCegarLoop]: Verification canceled [2018-07-23 13:41:48,723 WARN L202 ceAbstractionStarter]: Timeout [2018-07-23 13:41:48,724 INFO L202 PluginConnector]: Adding new model count_by_2.i_3.bplTransformedIcfg_BEv2_3.bpl de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction CFG 23.07 01:41:48 BoogieIcfgContainer [2018-07-23 13:41:48,724 INFO L132 PluginConnector]: ------------------------ END TraceAbstraction---------------------------- [2018-07-23 13:41:48,725 INFO L168 Benchmark]: Toolchain (without parser) took 260189.79 ms. Allocated memory was 1.5 GB in the beginning and 3.5 GB in the end (delta: 2.0 GB). Free memory was 1.5 GB in the beginning and 2.9 GB in the end (delta: -1.5 GB). Peak memory consumption was 519.3 MB. Max. memory is 7.1 GB. [2018-07-23 13:41:48,726 INFO L168 Benchmark]: Boogie PL CUP Parser took 0.18 ms. Allocated memory is still 1.5 GB. Free memory is still 1.5 GB. There was no memory consumed. Max. memory is 7.1 GB. [2018-07-23 13:41:48,727 INFO L168 Benchmark]: Boogie Preprocessor took 48.66 ms. Allocated memory is still 1.5 GB. Free memory is still 1.5 GB. There was no memory consumed. Max. memory is 7.1 GB. [2018-07-23 13:41:48,727 INFO L168 Benchmark]: RCFGBuilder took 214.55 ms. Allocated memory is still 1.5 GB. Free memory was 1.5 GB in the beginning and 1.5 GB in the end (delta: 10.6 MB). Peak memory consumption was 10.6 MB. Max. memory is 7.1 GB. [2018-07-23 13:41:48,727 INFO L168 Benchmark]: TraceAbstraction took 259922.15 ms. Allocated memory was 1.5 GB in the beginning and 3.5 GB in the end (delta: 2.0 GB). Free memory was 1.5 GB in the beginning and 2.9 GB in the end (delta: -1.5 GB). Peak memory consumption was 508.7 MB. Max. memory is 7.1 GB. [2018-07-23 13:41:48,729 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 0.18 ms. Allocated memory is still 1.5 GB. Free memory is still 1.5 GB. There was no memory consumed. Max. memory is 7.1 GB. * Boogie Preprocessor took 48.66 ms. Allocated memory is still 1.5 GB. Free memory is still 1.5 GB. There was no memory consumed. Max. memory is 7.1 GB. * RCFGBuilder took 214.55 ms. Allocated memory is still 1.5 GB. Free memory was 1.5 GB in the beginning and 1.5 GB in the end (delta: 10.6 MB). Peak memory consumption was 10.6 MB. Max. memory is 7.1 GB. * TraceAbstraction took 259922.15 ms. Allocated memory was 1.5 GB in the beginning and 3.5 GB in the end (delta: 2.0 GB). Free memory was 1.5 GB in the beginning and 2.9 GB in the end (delta: -1.5 GB). Peak memory consumption was 508.7 MB. Max. memory is 7.1 GB. * Results from de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction: - TimeoutResultAtElement [Line: 32]: Timeout (TraceAbstraction) Unable to prove that assertion always holds (line 32). Cancelled while BasicCegarLoop was analyzing trace of length 255 with TraceHistMax 251, while InterpolatingTraceCheckCraig was constructing Craig interpolants, while PredicateComparison was comparing new predicate (quantifier-free) to 219 known predicates. - StatisticsResult: Ultimate Automizer benchmark data CFG has 1 procedures, 6 locations, 1 error locations. TIMEOUT Result, 259.8s OverallTime, 252 OverallIterations, 251 TraceHistogramMax, 98.0s AutomataDifference, 0.0s DeadEndRemovalTime, 0.0s HoareAnnotationTime, HoareTripleCheckerStatistics: 753 SDtfs, 0 SDslu, 16482 SDs, 0 SdLazy, 48359 SolverSat, 477 SolverUnsat, 0 SolverUnknown, 0 SolverNotchecked, 2.6s Time, PredicateUnifierStatistics: 0 DeclaredPredicates, 31877 GetRequests, 251 SyntacticMatches, 0 SemanticMatches, 31626 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 0 ImplicationChecksByTransitivity, 118.7s Time, 0.3s BasicInterpolantAutomatonTime, BiggestAbstraction: size=255occurred in iteration=251, traceCheckStatistics: No data available, InterpolantConsolidationStatistics: No data available, PathInvariantsStatistics: No data available, 0/2635500 InterpolantCoveringCapability, TotalInterpolationStatistics: No data available, 0.0s AbstIntTime, 0 AbstIntIterations, 0 AbstIntStrong, NaN AbsIntWeakeningRatio, NaN AbsIntAvgWeakeningVarsNumRemoved, NaN AbsIntAvgWeakenedConjuncts, 0.0s DumpTime, AutomataMinimizationStatistics: 0.8s AutomataMinimizationTime, 251 MinimizatonAttempts, 0 StatesRemovedByMinimization, 0 NontrivialMinimizations, HoareAnnotationStatistics: No data available, RefinementEngineStatistics: TraceCheckStatistics: 0.2s SsaConstructionTime, 25.9s SatisfiabilityAnalysisTime, 127.9s InterpolantComputationTime, 32128 NumberOfCodeBlocks, 32128 NumberOfCodeBlocksAsserted, 251 NumberOfCheckSat, 31877 ConstructedInterpolants, 0 QuantifiedInterpolants, 16034633 SizeOfPredicates, 0 NumberOfNonLiveVariables, 0 ConjunctsInSsa, 0 ConjunctsInUnsatCore, 251 InterpolantComputations, 1 PerfectInterpolantSequences, 0/2635500 InterpolantCoveringCapability, InvariantSynthesisStatistics: No data available, InterpolantConsolidationStatistics: No data available, ReuseStatistics: No data available RESULT: Ultimate could not prove your program: Timeout Written .csv to /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/csv/count_by_2.i_3.bplTransformedIcfg_BEv2_3.bpl_AutomizerBpl-nestedInterpolants.epf_AutomizerBpl.xml/Csv-Benchmark-0-2018-07-23_13-41-48-738.csv Written .csv to /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/csv/count_by_2.i_3.bplTransformedIcfg_BEv2_3.bpl_AutomizerBpl-nestedInterpolants.epf_AutomizerBpl.xml/Csv-TraceAbstractionBenchmarks-0-2018-07-23_13-41-48-738.csv Completed graceful shutdown