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/gr2006.c.i_4.bplTransformedIcfg_BEv2_3.bpl -------------------------------------------------------------------------------- This is Ultimate 0.1.23-935f392 [2018-07-23 13:40:53,603 INFO L170 SettingsManager]: Resetting all preferences to default values... [2018-07-23 13:40:53,605 INFO L174 SettingsManager]: Resetting UltimateCore preferences to default values [2018-07-23 13:40:53,619 INFO L177 SettingsManager]: Ultimate Commandline Interface provides no preferences, ignoring... [2018-07-23 13:40:53,619 INFO L174 SettingsManager]: Resetting Boogie Preprocessor preferences to default values [2018-07-23 13:40:53,620 INFO L174 SettingsManager]: Resetting Boogie Procedure Inliner preferences to default values [2018-07-23 13:40:53,622 INFO L174 SettingsManager]: Resetting Abstract Interpretation preferences to default values [2018-07-23 13:40:53,624 INFO L174 SettingsManager]: Resetting LassoRanker preferences to default values [2018-07-23 13:40:53,626 INFO L174 SettingsManager]: Resetting Reaching Definitions preferences to default values [2018-07-23 13:40:53,627 INFO L174 SettingsManager]: Resetting SyntaxChecker preferences to default values [2018-07-23 13:40:53,629 INFO L177 SettingsManager]: Büchi Program Product provides no preferences, ignoring... [2018-07-23 13:40:53,630 INFO L174 SettingsManager]: Resetting LTL2Aut preferences to default values [2018-07-23 13:40:53,631 INFO L174 SettingsManager]: Resetting PEA to Boogie preferences to default values [2018-07-23 13:40:53,631 INFO L174 SettingsManager]: Resetting BlockEncodingV2 preferences to default values [2018-07-23 13:40:53,635 INFO L174 SettingsManager]: Resetting ChcToBoogie preferences to default values [2018-07-23 13:40:53,635 INFO L174 SettingsManager]: Resetting AutomataScriptInterpreter preferences to default values [2018-07-23 13:40:53,636 INFO L174 SettingsManager]: Resetting BuchiAutomizer preferences to default values [2018-07-23 13:40:53,645 INFO L174 SettingsManager]: Resetting CACSL2BoogieTranslator preferences to default values [2018-07-23 13:40:53,650 INFO L174 SettingsManager]: Resetting CodeCheck preferences to default values [2018-07-23 13:40:53,652 INFO L174 SettingsManager]: Resetting InvariantSynthesis preferences to default values [2018-07-23 13:40:53,653 INFO L174 SettingsManager]: Resetting RCFGBuilder preferences to default values [2018-07-23 13:40:53,656 INFO L174 SettingsManager]: Resetting TraceAbstraction preferences to default values [2018-07-23 13:40:53,662 INFO L177 SettingsManager]: TraceAbstractionConcurrent provides no preferences, ignoring... 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[2018-07-23 13:40:53,675 INFO L98 SettingsManager]: Beginning loading settings from /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/../../../trunk/examples/programs/regression/bpl/AutomizerBpl-nestedInterpolants.epf [2018-07-23 13:40:53,703 INFO L110 SettingsManager]: Loading preferences was successful [2018-07-23 13:40:53,705 INFO L112 SettingsManager]: Preferences different from defaults after loading the file: [2018-07-23 13:40:53,706 INFO L131 SettingsManager]: Preferences of RCFGBuilder differ from their defaults: [2018-07-23 13:40:53,706 INFO L133 SettingsManager]: * SMT solver=Internal_SMTInterpol [2018-07-23 13:40:53,708 INFO L131 SettingsManager]: Preferences of TraceAbstraction differ from their defaults: [2018-07-23 13:40:53,709 INFO L133 SettingsManager]: * Compute Interpolants along a Counterexample=Craig_NestedInterpolation [2018-07-23 13:40:53,709 INFO L133 SettingsManager]: * Use separate solver for trace checks=false [2018-07-23 13:40:53,709 INFO L133 SettingsManager]: * Compute Hoare Annotation of negated interpolant automaton, abstraction and CFG=true [2018-07-23 13:40:53,761 INFO L81 nceAwareModelManager]: Repository-Root is: /tmp [2018-07-23 13:40:53,776 INFO L258 ainManager$Toolchain]: [Toolchain 1]: Applicable parser(s) successfully (re)initialized [2018-07-23 13:40:53,780 INFO L214 ainManager$Toolchain]: [Toolchain 1]: Toolchain selected. [2018-07-23 13:40:53,785 INFO L271 PluginConnector]: Initializing Boogie PL CUP Parser... [2018-07-23 13:40:53,786 INFO L276 PluginConnector]: Boogie PL CUP Parser initialized [2018-07-23 13:40:53,786 INFO L418 ainManager$Toolchain]: [Toolchain 1]: Parsing single file: /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/../../../trunk/examples/programs/20170319-ConjunctivePathPrograms/gr2006.c.i_4.bplTransformedIcfg_BEv2_3.bpl [2018-07-23 13:40:53,787 INFO L111 BoogieParser]: Parsing: '/storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/../../../trunk/examples/programs/20170319-ConjunctivePathPrograms/gr2006.c.i_4.bplTransformedIcfg_BEv2_3.bpl' [2018-07-23 13:40:53,841 INFO L296 ainManager$Toolchain]: ####################### [Toolchain 1] ####################### [2018-07-23 13:40:53,843 INFO L131 ToolchainWalker]: Walking toolchain with 3 elements. [2018-07-23 13:40:53,843 INFO L113 PluginConnector]: ------------------------Boogie Preprocessor---------------------------- [2018-07-23 13:40:53,843 INFO L271 PluginConnector]: Initializing Boogie Preprocessor... [2018-07-23 13:40:53,844 INFO L276 PluginConnector]: Boogie Preprocessor initialized [2018-07-23 13:40:53,871 INFO L185 PluginConnector]: Executing the observer EnsureBoogieModelObserver from plugin Boogie Preprocessor for "gr2006.c.i_4.bplTransformedIcfg_BEv2_3.bpl de.uni_freiburg.informatik.ultimate.boogie.parser AST 23.07 01:40:53" (1/1) ... [2018-07-23 13:40:53,873 INFO L185 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Preprocessor for "gr2006.c.i_4.bplTransformedIcfg_BEv2_3.bpl de.uni_freiburg.informatik.ultimate.boogie.parser AST 23.07 01:40:53" (1/1) ... [2018-07-23 13:40:53,883 INFO L185 PluginConnector]: Executing the observer ConstExpander from plugin Boogie Preprocessor for "gr2006.c.i_4.bplTransformedIcfg_BEv2_3.bpl de.uni_freiburg.informatik.ultimate.boogie.parser AST 23.07 01:40:53" (1/1) ... [2018-07-23 13:40:53,883 INFO L185 PluginConnector]: Executing the observer StructExpander from plugin Boogie Preprocessor for "gr2006.c.i_4.bplTransformedIcfg_BEv2_3.bpl de.uni_freiburg.informatik.ultimate.boogie.parser AST 23.07 01:40:53" (1/1) ... [2018-07-23 13:40:53,887 INFO L185 PluginConnector]: Executing the observer UnstructureCode from plugin Boogie Preprocessor for "gr2006.c.i_4.bplTransformedIcfg_BEv2_3.bpl de.uni_freiburg.informatik.ultimate.boogie.parser AST 23.07 01:40:53" (1/1) ... [2018-07-23 13:40:53,889 INFO L185 PluginConnector]: Executing the observer FunctionInliner from plugin Boogie Preprocessor for "gr2006.c.i_4.bplTransformedIcfg_BEv2_3.bpl de.uni_freiburg.informatik.ultimate.boogie.parser AST 23.07 01:40:53" (1/1) ... [2018-07-23 13:40:53,890 INFO L185 PluginConnector]: Executing the observer BoogieSymbolTableConstructor from plugin Boogie Preprocessor for "gr2006.c.i_4.bplTransformedIcfg_BEv2_3.bpl de.uni_freiburg.informatik.ultimate.boogie.parser AST 23.07 01:40:53" (1/1) ... [2018-07-23 13:40:53,892 INFO L132 PluginConnector]: ------------------------ END Boogie Preprocessor---------------------------- [2018-07-23 13:40:53,893 INFO L113 PluginConnector]: ------------------------RCFGBuilder---------------------------- [2018-07-23 13:40:53,893 INFO L271 PluginConnector]: Initializing RCFGBuilder... [2018-07-23 13:40:53,893 INFO L276 PluginConnector]: RCFGBuilder initialized [2018-07-23 13:40:53,894 INFO L185 PluginConnector]: Executing the observer RCFGBuilderObserver from plugin RCFGBuilder for "gr2006.c.i_4.bplTransformedIcfg_BEv2_3.bpl de.uni_freiburg.informatik.ultimate.boogie.parser AST 23.07 01:40:53" (1/1) ... [2018-07-23 13:40:53,979 INFO L124 BoogieDeclarations]: Specification and implementation of procedure ULTIMATE.start given in one single declaration [2018-07-23 13:40:53,980 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.start [2018-07-23 13:40:53,980 INFO L138 BoogieDeclarations]: Found implementation of procedure ULTIMATE.start [2018-07-23 13:40:54,126 INFO L261 CfgBuilder]: Using the 1 location(s) as analysis (start of procedure ULTIMATE.start) [2018-07-23 13:40:54,127 INFO L202 PluginConnector]: Adding new model gr2006.c.i_4.bplTransformedIcfg_BEv2_3.bpl de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 23.07 01:40:54 BoogieIcfgContainer [2018-07-23 13:40:54,127 INFO L132 PluginConnector]: ------------------------ END RCFGBuilder---------------------------- [2018-07-23 13:40:54,128 INFO L113 PluginConnector]: ------------------------TraceAbstraction---------------------------- [2018-07-23 13:40:54,128 INFO L271 PluginConnector]: Initializing TraceAbstraction... [2018-07-23 13:40:54,131 INFO L276 PluginConnector]: TraceAbstraction initialized [2018-07-23 13:40:54,132 INFO L185 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "gr2006.c.i_4.bplTransformedIcfg_BEv2_3.bpl de.uni_freiburg.informatik.ultimate.boogie.parser AST 23.07 01:40:53" (1/2) ... [2018-07-23 13:40:54,133 INFO L205 PluginConnector]: Invalid model from TraceAbstraction for observer de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.TraceAbstractionObserver@4cec71d5 and model type gr2006.c.i_4.bplTransformedIcfg_BEv2_3.bpl de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction AST 23.07 01:40:54, skipping insertion in model container [2018-07-23 13:40:54,134 INFO L185 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "gr2006.c.i_4.bplTransformedIcfg_BEv2_3.bpl de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 23.07 01:40:54" (2/2) ... [2018-07-23 13:40:54,137 INFO L112 eAbstractionObserver]: Analyzing ICFG gr2006.c.i_4.bplTransformedIcfg_BEv2_3.bpl [2018-07-23 13:40:54,147 INFO L132 ceAbstractionStarter]: Automizer settings: Hoare:true NWA Interpolation:Craig_NestedInterpolation Determinization: PREDICATE_ABSTRACTION [2018-07-23 13:40:54,157 INFO L144 ceAbstractionStarter]: Appying trace abstraction to program that has 1 error locations. [2018-07-23 13:40:54,208 INFO L128 ementStrategyFactory]: Using default assertion order modulation [2018-07-23 13:40:54,209 INFO L373 AbstractCegarLoop]: Interprodecural is true [2018-07-23 13:40:54,209 INFO L374 AbstractCegarLoop]: Hoare is true [2018-07-23 13:40:54,210 INFO L375 AbstractCegarLoop]: Compute interpolants for Craig_NestedInterpolation [2018-07-23 13:40:54,210 INFO L376 AbstractCegarLoop]: Backedges is CANONICAL [2018-07-23 13:40:54,210 INFO L377 AbstractCegarLoop]: Determinization is PREDICATE_ABSTRACTION [2018-07-23 13:40:54,210 INFO L378 AbstractCegarLoop]: Difference is false [2018-07-23 13:40:54,211 INFO L379 AbstractCegarLoop]: Minimize is MINIMIZE_SEVPA [2018-07-23 13:40:54,211 INFO L384 AbstractCegarLoop]: ======== Iteration 0==of CEGAR loop == AllErrorsAtOnce======== [2018-07-23 13:40:54,228 INFO L276 IsEmpty]: Start isEmpty. Operand 6 states. [2018-07-23 13:40:54,239 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 5 [2018-07-23 13:40:54,239 INFO L349 BasicCegarLoop]: Found error trace [2018-07-23 13:40:54,240 INFO L357 BasicCegarLoop]: trace histogram [1, 1, 1, 1] [2018-07-23 13:40:54,241 INFO L414 AbstractCegarLoop]: === Iteration 1 === [ULTIMATE.startErr0AssertViolationASSERT]=== [2018-07-23 13:40:54,247 INFO L82 PathProgramCache]: Analyzing trace with hash 942136, now seen corresponding path program 1 times [2018-07-23 13:40:54,254 INFO L69 tionRefinementEngine]: Using refinement strategy FixedRefinementStrategy [2018-07-23 13:40:54,280 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-07-23 13:40:54,339 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 13:40:54,342 INFO L309 seRefinementStrategy]: Constructing automaton from 1 perfect and 0 imperfect interpolant sequences. [2018-07-23 13:40:54,342 INFO L324 seRefinementStrategy]: Number of different interpolants: perfect sequences [3] imperfect sequences [] total 3 [2018-07-23 13:40:54,344 INFO L142 lantAutomatonBuilder]: Constructing canonical interpolant automaton, with selfloop in false state [2018-07-23 13:40:54,345 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2018-07-23 13:40:54,345 INFO L185 omatonBuilderFactory]: Interpolants [9#true, 10#false, 11#(and (<= 0 ULTIMATE.start_main_~y~4) (<= ULTIMATE.start_main_~x~4 0)), 12#(<= 1 ULTIMATE.start_main_~y~4)] [2018-07-23 13:40:54,346 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2018-07-23 13:40:54,347 INFO L450 AbstractCegarLoop]: Interpolant automaton has 4 states [2018-07-23 13:40:54,358 INFO L132 InterpolantAutomaton]: Constructing interpolant automaton starting with 4 interpolants. [2018-07-23 13:40:54,359 INFO L133 InterpolantAutomaton]: CoverageRelationStatistics Valid=5, Invalid=7, Unknown=0, NotChecked=0, Total=12 [2018-07-23 13:40:54,361 INFO L87 Difference]: Start difference. First operand 6 states. Second operand 4 states. [2018-07-23 13:40:54,414 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2018-07-23 13:40:54,414 INFO L93 Difference]: Finished difference Result 11 states and 12 transitions. [2018-07-23 13:40:54,415 INFO L142 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 5 states. [2018-07-23 13:40:54,416 INFO L78 Accepts]: Start accepts. Automaton has 4 states. Word has length 4 [2018-07-23 13:40:54,417 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2018-07-23 13:40:54,431 INFO L225 Difference]: With dead ends: 11 [2018-07-23 13:40:54,432 INFO L226 Difference]: Without dead ends: 8 [2018-07-23 13:40:54,435 INFO L575 BasicCegarLoop]: 0 DeclaredPredicates, 4 GetRequests, 1 SyntacticMatches, 0 SemanticMatches, 3 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 0 ImplicationChecksByTransitivity, 0.0s TimeCoverageRelationStatistics Valid=9, Invalid=11, Unknown=0, NotChecked=0, Total=20 [2018-07-23 13:40:54,456 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 8 states. [2018-07-23 13:40:54,474 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 8 to 7. [2018-07-23 13:40:54,475 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 7 states. [2018-07-23 13:40:54,476 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 7 states to 7 states and 7 transitions. [2018-07-23 13:40:54,477 INFO L78 Accepts]: Start accepts. Automaton has 7 states and 7 transitions. Word has length 4 [2018-07-23 13:40:54,477 INFO L84 Accepts]: Finished accepts. word is rejected. [2018-07-23 13:40:54,478 INFO L471 AbstractCegarLoop]: Abstraction has 7 states and 7 transitions. [2018-07-23 13:40:54,478 INFO L472 AbstractCegarLoop]: Interpolant automaton has 4 states. [2018-07-23 13:40:54,478 INFO L276 IsEmpty]: Start isEmpty. Operand 7 states and 7 transitions. [2018-07-23 13:40:54,478 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 7 [2018-07-23 13:40:54,479 INFO L349 BasicCegarLoop]: Found error trace [2018-07-23 13:40:54,479 INFO L357 BasicCegarLoop]: trace histogram [2, 1, 1, 1, 1] [2018-07-23 13:40:54,479 INFO L414 AbstractCegarLoop]: === Iteration 2 === [ULTIMATE.startErr0AssertViolationASSERT]=== [2018-07-23 13:40:54,480 INFO L82 PathProgramCache]: Analyzing trace with hash 905456478, now seen corresponding path program 1 times [2018-07-23 13:40:54,480 INFO L69 tionRefinementEngine]: Using refinement strategy FixedRefinementStrategy [2018-07-23 13:40:54,488 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-07-23 13:40:54,538 INFO L134 CoverageAnalysis]: Checked inductivity of 2 backedges. 0 proven. 2 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2018-07-23 13:40:54,539 INFO L309 seRefinementStrategy]: Constructing automaton from 0 perfect and 1 imperfect interpolant sequences. [2018-07-23 13:40:54,539 INFO L324 seRefinementStrategy]: Number of different interpolants: perfect sequences [] imperfect sequences [4] total 4 [2018-07-23 13:40:54,539 INFO L142 lantAutomatonBuilder]: Constructing canonical interpolant automaton, with selfloop in false state [2018-07-23 13:40:54,540 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2018-07-23 13:40:54,540 INFO L185 omatonBuilderFactory]: Interpolants [51#true, 52#false, 53#(<= ULTIMATE.start_main_~x~4 0), 54#(and (<= ULTIMATE.start_main_~x~4 1) (<= 0 ULTIMATE.start_main_~y~4)), 55#(<= 1 ULTIMATE.start_main_~y~4)] [2018-07-23 13:40:54,540 INFO L134 CoverageAnalysis]: Checked inductivity of 2 backedges. 0 proven. 2 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2018-07-23 13:40:54,543 INFO L450 AbstractCegarLoop]: Interpolant automaton has 5 states [2018-07-23 13:40:54,543 INFO L132 InterpolantAutomaton]: Constructing interpolant automaton starting with 5 interpolants. [2018-07-23 13:40:54,543 INFO L133 InterpolantAutomaton]: CoverageRelationStatistics Valid=7, Invalid=13, Unknown=0, NotChecked=0, Total=20 [2018-07-23 13:40:54,544 INFO L87 Difference]: Start difference. First operand 7 states and 7 transitions. Second operand 5 states. [2018-07-23 13:40:54,625 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2018-07-23 13:40:54,628 INFO L93 Difference]: Finished difference Result 12 states and 12 transitions. [2018-07-23 13:40:54,629 INFO L142 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 6 states. [2018-07-23 13:40:54,629 INFO L78 Accepts]: Start accepts. Automaton has 5 states. Word has length 6 [2018-07-23 13:40:54,629 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2018-07-23 13:40:54,630 INFO L225 Difference]: With dead ends: 12 [2018-07-23 13:40:54,630 INFO L226 Difference]: Without dead ends: 10 [2018-07-23 13:40:54,634 INFO L575 BasicCegarLoop]: 0 DeclaredPredicates, 7 GetRequests, 1 SyntacticMatches, 0 SemanticMatches, 6 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 2 ImplicationChecksByTransitivity, 0.0s TimeCoverageRelationStatistics Valid=22, Invalid=34, Unknown=0, NotChecked=0, Total=56 [2018-07-23 13:40:54,635 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 10 states. [2018-07-23 13:40:54,637 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 10 to 9. [2018-07-23 13:40:54,639 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 9 states. [2018-07-23 13:40:54,640 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 9 states to 9 states and 9 transitions. [2018-07-23 13:40:54,640 INFO L78 Accepts]: Start accepts. Automaton has 9 states and 9 transitions. Word has length 6 [2018-07-23 13:40:54,640 INFO L84 Accepts]: Finished accepts. word is rejected. [2018-07-23 13:40:54,641 INFO L471 AbstractCegarLoop]: Abstraction has 9 states and 9 transitions. [2018-07-23 13:40:54,641 INFO L472 AbstractCegarLoop]: Interpolant automaton has 5 states. [2018-07-23 13:40:54,641 INFO L276 IsEmpty]: Start isEmpty. Operand 9 states and 9 transitions. [2018-07-23 13:40:54,641 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 9 [2018-07-23 13:40:54,641 INFO L349 BasicCegarLoop]: Found error trace [2018-07-23 13:40:54,642 INFO L357 BasicCegarLoop]: trace histogram [3, 2, 1, 1, 1] [2018-07-23 13:40:54,642 INFO L414 AbstractCegarLoop]: === Iteration 3 === [ULTIMATE.startErr0AssertViolationASSERT]=== [2018-07-23 13:40:54,642 INFO L82 PathProgramCache]: Analyzing trace with hash -1734621948, now seen corresponding path program 2 times [2018-07-23 13:40:54,642 INFO L69 tionRefinementEngine]: Using refinement strategy FixedRefinementStrategy [2018-07-23 13:40:54,655 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-07-23 13:40:54,686 INFO L134 CoverageAnalysis]: Checked inductivity of 6 backedges. 0 proven. 6 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2018-07-23 13:40:54,686 INFO L309 seRefinementStrategy]: Constructing automaton from 0 perfect and 1 imperfect interpolant sequences. [2018-07-23 13:40:54,687 INFO L324 seRefinementStrategy]: Number of different interpolants: perfect sequences [] imperfect sequences [5] total 5 [2018-07-23 13:40:54,687 INFO L142 lantAutomatonBuilder]: Constructing canonical interpolant automaton, with selfloop in false state [2018-07-23 13:40:54,687 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2018-07-23 13:40:54,689 INFO L185 omatonBuilderFactory]: Interpolants [104#true, 105#false, 106#(<= ULTIMATE.start_main_~x~4 0), 107#(<= ULTIMATE.start_main_~x~4 1), 108#(and (<= 0 ULTIMATE.start_main_~y~4) (<= ULTIMATE.start_main_~x~4 2)), 109#(<= 1 ULTIMATE.start_main_~y~4)] [2018-07-23 13:40:54,690 INFO L134 CoverageAnalysis]: Checked inductivity of 6 backedges. 0 proven. 6 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2018-07-23 13:40:54,690 INFO L450 AbstractCegarLoop]: Interpolant automaton has 6 states [2018-07-23 13:40:54,690 INFO L132 InterpolantAutomaton]: Constructing interpolant automaton starting with 6 interpolants. [2018-07-23 13:40:54,691 INFO L133 InterpolantAutomaton]: CoverageRelationStatistics Valid=10, Invalid=20, Unknown=0, NotChecked=0, Total=30 [2018-07-23 13:40:54,691 INFO L87 Difference]: Start difference. First operand 9 states and 9 transitions. Second operand 6 states. [2018-07-23 13:40:54,770 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2018-07-23 13:40:54,773 INFO L93 Difference]: Finished difference Result 14 states and 14 transitions. [2018-07-23 13:40:54,774 INFO L142 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 7 states. [2018-07-23 13:40:54,774 INFO L78 Accepts]: Start accepts. Automaton has 6 states. Word has length 8 [2018-07-23 13:40:54,774 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2018-07-23 13:40:54,775 INFO L225 Difference]: With dead ends: 14 [2018-07-23 13:40:54,775 INFO L226 Difference]: Without dead ends: 12 [2018-07-23 13:40:54,776 INFO L575 BasicCegarLoop]: 0 DeclaredPredicates, 9 GetRequests, 1 SyntacticMatches, 0 SemanticMatches, 8 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 7 ImplicationChecksByTransitivity, 0.0s TimeCoverageRelationStatistics Valid=34, Invalid=56, Unknown=0, NotChecked=0, Total=90 [2018-07-23 13:40:54,776 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 12 states. [2018-07-23 13:40:54,783 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 12 to 11. [2018-07-23 13:40:54,784 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 11 states. [2018-07-23 13:40:54,784 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 11 states to 11 states and 11 transitions. [2018-07-23 13:40:54,787 INFO L78 Accepts]: Start accepts. Automaton has 11 states and 11 transitions. Word has length 8 [2018-07-23 13:40:54,788 INFO L84 Accepts]: Finished accepts. word is rejected. [2018-07-23 13:40:54,788 INFO L471 AbstractCegarLoop]: Abstraction has 11 states and 11 transitions. [2018-07-23 13:40:54,788 INFO L472 AbstractCegarLoop]: Interpolant automaton has 6 states. [2018-07-23 13:40:54,788 INFO L276 IsEmpty]: Start isEmpty. Operand 11 states and 11 transitions. [2018-07-23 13:40:54,790 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 11 [2018-07-23 13:40:54,790 INFO L349 BasicCegarLoop]: Found error trace [2018-07-23 13:40:54,791 INFO L357 BasicCegarLoop]: trace histogram [4, 3, 1, 1, 1] [2018-07-23 13:40:54,791 INFO L414 AbstractCegarLoop]: === Iteration 4 === [ULTIMATE.startErr0AssertViolationASSERT]=== [2018-07-23 13:40:54,791 INFO L82 PathProgramCache]: Analyzing trace with hash -524317398, now seen corresponding path program 3 times [2018-07-23 13:40:54,791 INFO L69 tionRefinementEngine]: Using refinement strategy FixedRefinementStrategy [2018-07-23 13:40:54,806 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-07-23 13:40:54,844 INFO L134 CoverageAnalysis]: Checked inductivity of 12 backedges. 0 proven. 12 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2018-07-23 13:40:54,845 INFO L309 seRefinementStrategy]: Constructing automaton from 0 perfect and 1 imperfect interpolant sequences. [2018-07-23 13:40:54,845 INFO L324 seRefinementStrategy]: Number of different interpolants: perfect sequences [] imperfect sequences [6] total 6 [2018-07-23 13:40:54,845 INFO L142 lantAutomatonBuilder]: Constructing canonical interpolant automaton, with selfloop in false state [2018-07-23 13:40:54,845 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2018-07-23 13:40:54,846 INFO L185 omatonBuilderFactory]: Interpolants [168#true, 169#false, 170#(<= ULTIMATE.start_main_~x~4 0), 171#(<= ULTIMATE.start_main_~x~4 1), 172#(<= ULTIMATE.start_main_~x~4 2), 173#(and (<= 0 ULTIMATE.start_main_~y~4) (<= ULTIMATE.start_main_~x~4 3)), 174#(<= 1 ULTIMATE.start_main_~y~4)] [2018-07-23 13:40:54,846 INFO L134 CoverageAnalysis]: Checked inductivity of 12 backedges. 0 proven. 12 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2018-07-23 13:40:54,851 INFO L450 AbstractCegarLoop]: Interpolant automaton has 7 states [2018-07-23 13:40:54,852 INFO L132 InterpolantAutomaton]: Constructing interpolant automaton starting with 7 interpolants. [2018-07-23 13:40:54,852 INFO L133 InterpolantAutomaton]: CoverageRelationStatistics Valid=14, Invalid=28, Unknown=0, NotChecked=0, Total=42 [2018-07-23 13:40:54,853 INFO L87 Difference]: Start difference. First operand 11 states and 11 transitions. Second operand 7 states. [2018-07-23 13:40:54,948 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2018-07-23 13:40:54,949 INFO L93 Difference]: Finished difference Result 16 states and 16 transitions. [2018-07-23 13:40:54,949 INFO L142 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 8 states. [2018-07-23 13:40:54,949 INFO L78 Accepts]: Start accepts. Automaton has 7 states. Word has length 10 [2018-07-23 13:40:54,950 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2018-07-23 13:40:54,950 INFO L225 Difference]: With dead ends: 16 [2018-07-23 13:40:54,950 INFO L226 Difference]: Without dead ends: 14 [2018-07-23 13:40:54,951 INFO L575 BasicCegarLoop]: 0 DeclaredPredicates, 11 GetRequests, 1 SyntacticMatches, 0 SemanticMatches, 10 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 13 ImplicationChecksByTransitivity, 0.0s TimeCoverageRelationStatistics Valid=49, Invalid=83, Unknown=0, NotChecked=0, Total=132 [2018-07-23 13:40:54,951 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 14 states. [2018-07-23 13:40:54,955 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 14 to 13. [2018-07-23 13:40:54,955 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 13 states. [2018-07-23 13:40:54,955 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 13 states to 13 states and 13 transitions. [2018-07-23 13:40:54,956 INFO L78 Accepts]: Start accepts. Automaton has 13 states and 13 transitions. Word has length 10 [2018-07-23 13:40:54,956 INFO L84 Accepts]: Finished accepts. word is rejected. [2018-07-23 13:40:54,956 INFO L471 AbstractCegarLoop]: Abstraction has 13 states and 13 transitions. [2018-07-23 13:40:54,956 INFO L472 AbstractCegarLoop]: Interpolant automaton has 7 states. [2018-07-23 13:40:54,956 INFO L276 IsEmpty]: Start isEmpty. Operand 13 states and 13 transitions. [2018-07-23 13:40:54,957 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 13 [2018-07-23 13:40:54,957 INFO L349 BasicCegarLoop]: Found error trace [2018-07-23 13:40:54,957 INFO L357 BasicCegarLoop]: trace histogram [5, 4, 1, 1, 1] [2018-07-23 13:40:54,957 INFO L414 AbstractCegarLoop]: === Iteration 5 === [ULTIMATE.startErr0AssertViolationASSERT]=== [2018-07-23 13:40:54,958 INFO L82 PathProgramCache]: Analyzing trace with hash -1357782064, now seen corresponding path program 4 times [2018-07-23 13:40:54,958 INFO L69 tionRefinementEngine]: Using refinement strategy FixedRefinementStrategy [2018-07-23 13:40:54,964 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-07-23 13:40:54,989 INFO L134 CoverageAnalysis]: Checked inductivity of 20 backedges. 0 proven. 20 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2018-07-23 13:40:54,990 INFO L309 seRefinementStrategy]: Constructing automaton from 0 perfect and 1 imperfect interpolant sequences. [2018-07-23 13:40:54,990 INFO L324 seRefinementStrategy]: Number of different interpolants: perfect sequences [] imperfect sequences [7] total 7 [2018-07-23 13:40:54,990 INFO L142 lantAutomatonBuilder]: Constructing canonical interpolant automaton, with selfloop in false state [2018-07-23 13:40:54,991 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 13:40:54,991 INFO L185 omatonBuilderFactory]: Interpolants [243#true, 244#false, 245#(<= ULTIMATE.start_main_~x~4 0), 246#(<= ULTIMATE.start_main_~x~4 1), 247#(<= ULTIMATE.start_main_~x~4 2), 248#(<= ULTIMATE.start_main_~x~4 3), 249#(and (<= 0 ULTIMATE.start_main_~y~4) (<= ULTIMATE.start_main_~x~4 4)), 250#(<= 1 ULTIMATE.start_main_~y~4)] [2018-07-23 13:40:54,991 INFO L134 CoverageAnalysis]: Checked inductivity of 20 backedges. 0 proven. 20 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2018-07-23 13:40:54,992 INFO L450 AbstractCegarLoop]: Interpolant automaton has 8 states [2018-07-23 13:40:54,992 INFO L132 InterpolantAutomaton]: Constructing interpolant automaton starting with 8 interpolants. [2018-07-23 13:40:54,992 INFO L133 InterpolantAutomaton]: CoverageRelationStatistics Valid=19, Invalid=37, Unknown=0, NotChecked=0, Total=56 [2018-07-23 13:40:54,993 INFO L87 Difference]: Start difference. First operand 13 states and 13 transitions. Second operand 8 states. [2018-07-23 13:40:55,051 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2018-07-23 13:40:55,052 INFO L93 Difference]: Finished difference Result 18 states and 18 transitions. [2018-07-23 13:40:55,052 INFO L142 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 9 states. [2018-07-23 13:40:55,052 INFO L78 Accepts]: Start accepts. Automaton has 8 states. Word has length 12 [2018-07-23 13:40:55,053 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2018-07-23 13:40:55,053 INFO L225 Difference]: With dead ends: 18 [2018-07-23 13:40:55,053 INFO L226 Difference]: Without dead ends: 16 [2018-07-23 13:40:55,054 INFO L575 BasicCegarLoop]: 0 DeclaredPredicates, 13 GetRequests, 1 SyntacticMatches, 0 SemanticMatches, 12 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 20 ImplicationChecksByTransitivity, 0.0s TimeCoverageRelationStatistics Valid=67, Invalid=115, Unknown=0, NotChecked=0, Total=182 [2018-07-23 13:40:55,055 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 16 states. [2018-07-23 13:40:55,059 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 16 to 15. [2018-07-23 13:40:55,059 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 15 states. [2018-07-23 13:40:55,060 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 15 states to 15 states and 15 transitions. [2018-07-23 13:40:55,060 INFO L78 Accepts]: Start accepts. Automaton has 15 states and 15 transitions. Word has length 12 [2018-07-23 13:40:55,060 INFO L84 Accepts]: Finished accepts. word is rejected. [2018-07-23 13:40:55,060 INFO L471 AbstractCegarLoop]: Abstraction has 15 states and 15 transitions. [2018-07-23 13:40:55,061 INFO L472 AbstractCegarLoop]: Interpolant automaton has 8 states. [2018-07-23 13:40:55,061 INFO L276 IsEmpty]: Start isEmpty. Operand 15 states and 15 transitions. [2018-07-23 13:40:55,061 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 15 [2018-07-23 13:40:55,062 INFO L349 BasicCegarLoop]: Found error trace [2018-07-23 13:40:55,062 INFO L357 BasicCegarLoop]: trace histogram [6, 5, 1, 1, 1] [2018-07-23 13:40:55,062 INFO L414 AbstractCegarLoop]: === Iteration 6 === [ULTIMATE.startErr0AssertViolationASSERT]=== [2018-07-23 13:40:55,062 INFO L82 PathProgramCache]: Analyzing trace with hash 841558262, now seen corresponding path program 5 times [2018-07-23 13:40:55,063 INFO L69 tionRefinementEngine]: Using refinement strategy FixedRefinementStrategy [2018-07-23 13:40:55,071 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-07-23 13:40:55,112 INFO L134 CoverageAnalysis]: Checked inductivity of 30 backedges. 0 proven. 30 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2018-07-23 13:40:55,113 INFO L309 seRefinementStrategy]: Constructing automaton from 0 perfect and 1 imperfect interpolant sequences. [2018-07-23 13:40:55,113 INFO L324 seRefinementStrategy]: Number of different interpolants: perfect sequences [] imperfect sequences [8] total 8 [2018-07-23 13:40:55,118 INFO L142 lantAutomatonBuilder]: Constructing canonical interpolant automaton, with selfloop in false state [2018-07-23 13:40:55,118 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 13:40:55,119 INFO L185 omatonBuilderFactory]: Interpolants [336#(and (<= ULTIMATE.start_main_~x~4 5) (<= 0 ULTIMATE.start_main_~y~4)), 337#(<= 1 ULTIMATE.start_main_~y~4), 329#true, 330#false, 331#(<= ULTIMATE.start_main_~x~4 0), 332#(<= ULTIMATE.start_main_~x~4 1), 333#(<= ULTIMATE.start_main_~x~4 2), 334#(<= ULTIMATE.start_main_~x~4 3), 335#(<= ULTIMATE.start_main_~x~4 4)] [2018-07-23 13:40:55,119 INFO L134 CoverageAnalysis]: Checked inductivity of 30 backedges. 0 proven. 30 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2018-07-23 13:40:55,121 INFO L450 AbstractCegarLoop]: Interpolant automaton has 9 states [2018-07-23 13:40:55,121 INFO L132 InterpolantAutomaton]: Constructing interpolant automaton starting with 9 interpolants. [2018-07-23 13:40:55,122 INFO L133 InterpolantAutomaton]: CoverageRelationStatistics Valid=25, Invalid=47, Unknown=0, NotChecked=0, Total=72 [2018-07-23 13:40:55,122 INFO L87 Difference]: Start difference. First operand 15 states and 15 transitions. Second operand 9 states. [2018-07-23 13:40:55,244 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2018-07-23 13:40:55,244 INFO L93 Difference]: Finished difference Result 20 states and 20 transitions. [2018-07-23 13:40:55,246 INFO L142 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 10 states. [2018-07-23 13:40:55,246 INFO L78 Accepts]: Start accepts. Automaton has 9 states. Word has length 14 [2018-07-23 13:40:55,247 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2018-07-23 13:40:55,247 INFO L225 Difference]: With dead ends: 20 [2018-07-23 13:40:55,247 INFO L226 Difference]: Without dead ends: 18 [2018-07-23 13:40:55,248 INFO L575 BasicCegarLoop]: 0 DeclaredPredicates, 15 GetRequests, 1 SyntacticMatches, 0 SemanticMatches, 14 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 28 ImplicationChecksByTransitivity, 0.0s TimeCoverageRelationStatistics Valid=88, Invalid=152, Unknown=0, NotChecked=0, Total=240 [2018-07-23 13:40:55,251 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 18 states. [2018-07-23 13:40:55,256 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 18 to 17. [2018-07-23 13:40:55,256 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 17 states. [2018-07-23 13:40:55,258 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 17 states to 17 states and 17 transitions. [2018-07-23 13:40:55,258 INFO L78 Accepts]: Start accepts. Automaton has 17 states and 17 transitions. Word has length 14 [2018-07-23 13:40:55,258 INFO L84 Accepts]: Finished accepts. word is rejected. [2018-07-23 13:40:55,259 INFO L471 AbstractCegarLoop]: Abstraction has 17 states and 17 transitions. [2018-07-23 13:40:55,259 INFO L472 AbstractCegarLoop]: Interpolant automaton has 9 states. [2018-07-23 13:40:55,259 INFO L276 IsEmpty]: Start isEmpty. Operand 17 states and 17 transitions. [2018-07-23 13:40:55,259 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 17 [2018-07-23 13:40:55,259 INFO L349 BasicCegarLoop]: Found error trace [2018-07-23 13:40:55,260 INFO L357 BasicCegarLoop]: trace histogram [7, 6, 1, 1, 1] [2018-07-23 13:40:55,260 INFO L414 AbstractCegarLoop]: === Iteration 7 === [ULTIMATE.startErr0AssertViolationASSERT]=== [2018-07-23 13:40:55,260 INFO L82 PathProgramCache]: Analyzing trace with hash 1283701916, now seen corresponding path program 6 times [2018-07-23 13:40:55,260 INFO L69 tionRefinementEngine]: Using refinement strategy FixedRefinementStrategy [2018-07-23 13:40:55,268 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-07-23 13:40:55,294 INFO L134 CoverageAnalysis]: Checked inductivity of 42 backedges. 0 proven. 42 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2018-07-23 13:40:55,295 INFO L309 seRefinementStrategy]: Constructing automaton from 0 perfect and 1 imperfect interpolant sequences. [2018-07-23 13:40:55,295 INFO L324 seRefinementStrategy]: Number of different interpolants: perfect sequences [] imperfect sequences [9] total 9 [2018-07-23 13:40:55,295 INFO L142 lantAutomatonBuilder]: Constructing canonical interpolant automaton, with selfloop in false state [2018-07-23 13:40:55,296 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 13:40:55,296 INFO L185 omatonBuilderFactory]: Interpolants [432#(<= ULTIMATE.start_main_~x~4 4), 433#(<= ULTIMATE.start_main_~x~4 5), 434#(and (<= 0 ULTIMATE.start_main_~y~4) (<= ULTIMATE.start_main_~x~4 6)), 435#(<= 1 ULTIMATE.start_main_~y~4), 426#true, 427#false, 428#(<= ULTIMATE.start_main_~x~4 0), 429#(<= ULTIMATE.start_main_~x~4 1), 430#(<= ULTIMATE.start_main_~x~4 2), 431#(<= ULTIMATE.start_main_~x~4 3)] [2018-07-23 13:40:55,296 INFO L134 CoverageAnalysis]: Checked inductivity of 42 backedges. 0 proven. 42 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2018-07-23 13:40:55,297 INFO L450 AbstractCegarLoop]: Interpolant automaton has 10 states [2018-07-23 13:40:55,297 INFO L132 InterpolantAutomaton]: Constructing interpolant automaton starting with 10 interpolants. [2018-07-23 13:40:55,297 INFO L133 InterpolantAutomaton]: CoverageRelationStatistics Valid=32, Invalid=58, Unknown=0, NotChecked=0, Total=90 [2018-07-23 13:40:55,298 INFO L87 Difference]: Start difference. First operand 17 states and 17 transitions. Second operand 10 states. [2018-07-23 13:40:55,361 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2018-07-23 13:40:55,361 INFO L93 Difference]: Finished difference Result 22 states and 22 transitions. [2018-07-23 13:40:55,362 INFO L142 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 11 states. [2018-07-23 13:40:55,362 INFO L78 Accepts]: Start accepts. Automaton has 10 states. Word has length 16 [2018-07-23 13:40:55,362 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2018-07-23 13:40:55,363 INFO L225 Difference]: With dead ends: 22 [2018-07-23 13:40:55,363 INFO L226 Difference]: Without dead ends: 20 [2018-07-23 13:40:55,364 INFO L575 BasicCegarLoop]: 0 DeclaredPredicates, 17 GetRequests, 1 SyntacticMatches, 0 SemanticMatches, 16 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 37 ImplicationChecksByTransitivity, 0.0s TimeCoverageRelationStatistics Valid=112, Invalid=194, Unknown=0, NotChecked=0, Total=306 [2018-07-23 13:40:55,364 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 20 states. [2018-07-23 13:40:55,368 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 20 to 19. [2018-07-23 13:40:55,368 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 19 states. [2018-07-23 13:40:55,369 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 19 states to 19 states and 19 transitions. [2018-07-23 13:40:55,369 INFO L78 Accepts]: Start accepts. Automaton has 19 states and 19 transitions. Word has length 16 [2018-07-23 13:40:55,370 INFO L84 Accepts]: Finished accepts. word is rejected. [2018-07-23 13:40:55,370 INFO L471 AbstractCegarLoop]: Abstraction has 19 states and 19 transitions. [2018-07-23 13:40:55,370 INFO L472 AbstractCegarLoop]: Interpolant automaton has 10 states. [2018-07-23 13:40:55,370 INFO L276 IsEmpty]: Start isEmpty. Operand 19 states and 19 transitions. [2018-07-23 13:40:55,371 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 19 [2018-07-23 13:40:55,371 INFO L349 BasicCegarLoop]: Found error trace [2018-07-23 13:40:55,371 INFO L357 BasicCegarLoop]: trace histogram [8, 7, 1, 1, 1] [2018-07-23 13:40:55,371 INFO L414 AbstractCegarLoop]: === Iteration 8 === [ULTIMATE.startErr0AssertViolationASSERT]=== [2018-07-23 13:40:55,372 INFO L82 PathProgramCache]: Analyzing trace with hash 981991106, now seen corresponding path program 7 times [2018-07-23 13:40:55,372 INFO L69 tionRefinementEngine]: Using refinement strategy FixedRefinementStrategy [2018-07-23 13:40:55,381 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-07-23 13:40:55,413 INFO L134 CoverageAnalysis]: Checked inductivity of 56 backedges. 0 proven. 56 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2018-07-23 13:40:55,414 INFO L309 seRefinementStrategy]: Constructing automaton from 0 perfect and 1 imperfect interpolant sequences. [2018-07-23 13:40:55,414 INFO L324 seRefinementStrategy]: Number of different interpolants: perfect sequences [] imperfect sequences [10] total 10 [2018-07-23 13:40:55,414 INFO L142 lantAutomatonBuilder]: Constructing canonical interpolant automaton, with selfloop in false state [2018-07-23 13:40:55,414 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2018-07-23 13:40:55,415 INFO L185 omatonBuilderFactory]: Interpolants [544#(<= 1 ULTIMATE.start_main_~y~4), 534#true, 535#false, 536#(<= ULTIMATE.start_main_~x~4 0), 537#(<= ULTIMATE.start_main_~x~4 1), 538#(<= ULTIMATE.start_main_~x~4 2), 539#(<= ULTIMATE.start_main_~x~4 3), 540#(<= ULTIMATE.start_main_~x~4 4), 541#(<= ULTIMATE.start_main_~x~4 5), 542#(<= ULTIMATE.start_main_~x~4 6), 543#(and (<= ULTIMATE.start_main_~x~4 7) (<= 0 ULTIMATE.start_main_~y~4))] [2018-07-23 13:40:55,415 INFO L134 CoverageAnalysis]: Checked inductivity of 56 backedges. 0 proven. 56 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2018-07-23 13:40:55,416 INFO L450 AbstractCegarLoop]: Interpolant automaton has 11 states [2018-07-23 13:40:55,416 INFO L132 InterpolantAutomaton]: Constructing interpolant automaton starting with 11 interpolants. [2018-07-23 13:40:55,416 INFO L133 InterpolantAutomaton]: CoverageRelationStatistics Valid=40, Invalid=70, Unknown=0, NotChecked=0, Total=110 [2018-07-23 13:40:55,417 INFO L87 Difference]: Start difference. First operand 19 states and 19 transitions. Second operand 11 states. [2018-07-23 13:40:55,488 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2018-07-23 13:40:55,488 INFO L93 Difference]: Finished difference Result 24 states and 24 transitions. [2018-07-23 13:40:55,488 INFO L142 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 12 states. [2018-07-23 13:40:55,489 INFO L78 Accepts]: Start accepts. Automaton has 11 states. Word has length 18 [2018-07-23 13:40:55,489 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2018-07-23 13:40:55,490 INFO L225 Difference]: With dead ends: 24 [2018-07-23 13:40:55,490 INFO L226 Difference]: Without dead ends: 22 [2018-07-23 13:40:55,491 INFO L575 BasicCegarLoop]: 0 DeclaredPredicates, 19 GetRequests, 1 SyntacticMatches, 0 SemanticMatches, 18 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 47 ImplicationChecksByTransitivity, 0.0s TimeCoverageRelationStatistics Valid=139, Invalid=241, Unknown=0, NotChecked=0, Total=380 [2018-07-23 13:40:55,491 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 22 states. [2018-07-23 13:40:55,495 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 22 to 21. [2018-07-23 13:40:55,496 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 21 states. [2018-07-23 13:40:55,497 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 21 states to 21 states and 21 transitions. [2018-07-23 13:40:55,497 INFO L78 Accepts]: Start accepts. Automaton has 21 states and 21 transitions. Word has length 18 [2018-07-23 13:40:55,498 INFO L84 Accepts]: Finished accepts. word is rejected. [2018-07-23 13:40:55,498 INFO L471 AbstractCegarLoop]: Abstraction has 21 states and 21 transitions. [2018-07-23 13:40:55,498 INFO L472 AbstractCegarLoop]: Interpolant automaton has 11 states. [2018-07-23 13:40:55,498 INFO L276 IsEmpty]: Start isEmpty. Operand 21 states and 21 transitions. [2018-07-23 13:40:55,499 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 21 [2018-07-23 13:40:55,499 INFO L349 BasicCegarLoop]: Found error trace [2018-07-23 13:40:55,499 INFO L357 BasicCegarLoop]: trace histogram [9, 8, 1, 1, 1] [2018-07-23 13:40:55,500 INFO L414 AbstractCegarLoop]: === Iteration 9 === [ULTIMATE.startErr0AssertViolationASSERT]=== [2018-07-23 13:40:55,500 INFO L82 PathProgramCache]: Analyzing trace with hash -1199288472, now seen corresponding path program 8 times [2018-07-23 13:40:55,500 INFO L69 tionRefinementEngine]: Using refinement strategy FixedRefinementStrategy [2018-07-23 13:40:55,514 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-07-23 13:40:55,565 INFO L134 CoverageAnalysis]: Checked inductivity of 72 backedges. 0 proven. 72 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2018-07-23 13:40:55,565 INFO L309 seRefinementStrategy]: Constructing automaton from 0 perfect and 1 imperfect interpolant sequences. [2018-07-23 13:40:55,565 INFO L324 seRefinementStrategy]: Number of different interpolants: perfect sequences [] imperfect sequences [11] total 11 [2018-07-23 13:40:55,566 INFO L142 lantAutomatonBuilder]: Constructing canonical interpolant automaton, with selfloop in false state [2018-07-23 13:40:55,566 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 13:40:55,569 INFO L185 omatonBuilderFactory]: Interpolants [656#(<= ULTIMATE.start_main_~x~4 1), 657#(<= ULTIMATE.start_main_~x~4 2), 658#(<= ULTIMATE.start_main_~x~4 3), 659#(<= ULTIMATE.start_main_~x~4 4), 660#(<= ULTIMATE.start_main_~x~4 5), 661#(<= ULTIMATE.start_main_~x~4 6), 662#(<= ULTIMATE.start_main_~x~4 7), 663#(and (<= 0 ULTIMATE.start_main_~y~4) (<= ULTIMATE.start_main_~x~4 8)), 664#(<= 1 ULTIMATE.start_main_~y~4), 653#true, 654#false, 655#(<= ULTIMATE.start_main_~x~4 0)] [2018-07-23 13:40:55,569 INFO L134 CoverageAnalysis]: Checked inductivity of 72 backedges. 0 proven. 72 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2018-07-23 13:40:55,570 INFO L450 AbstractCegarLoop]: Interpolant automaton has 12 states [2018-07-23 13:40:55,570 INFO L132 InterpolantAutomaton]: Constructing interpolant automaton starting with 12 interpolants. [2018-07-23 13:40:55,570 INFO L133 InterpolantAutomaton]: CoverageRelationStatistics Valid=49, Invalid=83, Unknown=0, NotChecked=0, Total=132 [2018-07-23 13:40:55,571 INFO L87 Difference]: Start difference. First operand 21 states and 21 transitions. Second operand 12 states. [2018-07-23 13:40:55,666 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2018-07-23 13:40:55,667 INFO L93 Difference]: Finished difference Result 26 states and 26 transitions. [2018-07-23 13:40:55,667 INFO L142 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 13 states. [2018-07-23 13:40:55,667 INFO L78 Accepts]: Start accepts. Automaton has 12 states. Word has length 20 [2018-07-23 13:40:55,668 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2018-07-23 13:40:55,668 INFO L225 Difference]: With dead ends: 26 [2018-07-23 13:40:55,668 INFO L226 Difference]: Without dead ends: 24 [2018-07-23 13:40:55,669 INFO L575 BasicCegarLoop]: 0 DeclaredPredicates, 21 GetRequests, 1 SyntacticMatches, 0 SemanticMatches, 20 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 58 ImplicationChecksByTransitivity, 0.0s TimeCoverageRelationStatistics Valid=169, Invalid=293, Unknown=0, NotChecked=0, Total=462 [2018-07-23 13:40:55,670 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 24 states. [2018-07-23 13:40:55,674 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 24 to 23. [2018-07-23 13:40:55,674 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 23 states. [2018-07-23 13:40:55,675 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 23 states to 23 states and 23 transitions. [2018-07-23 13:40:55,677 INFO L78 Accepts]: Start accepts. Automaton has 23 states and 23 transitions. Word has length 20 [2018-07-23 13:40:55,678 INFO L84 Accepts]: Finished accepts. word is rejected. [2018-07-23 13:40:55,678 INFO L471 AbstractCegarLoop]: Abstraction has 23 states and 23 transitions. [2018-07-23 13:40:55,678 INFO L472 AbstractCegarLoop]: Interpolant automaton has 12 states. [2018-07-23 13:40:55,678 INFO L276 IsEmpty]: Start isEmpty. Operand 23 states and 23 transitions. [2018-07-23 13:40:55,680 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 23 [2018-07-23 13:40:55,681 INFO L349 BasicCegarLoop]: Found error trace [2018-07-23 13:40:55,681 INFO L357 BasicCegarLoop]: trace histogram [10, 9, 1, 1, 1] [2018-07-23 13:40:55,682 INFO L414 AbstractCegarLoop]: === Iteration 10 === [ULTIMATE.startErr0AssertViolationASSERT]=== [2018-07-23 13:40:55,683 INFO L82 PathProgramCache]: Analyzing trace with hash -1464922482, now seen corresponding path program 9 times [2018-07-23 13:40:55,683 INFO L69 tionRefinementEngine]: Using refinement strategy FixedRefinementStrategy [2018-07-23 13:40:55,689 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-07-23 13:40:55,731 INFO L134 CoverageAnalysis]: Checked inductivity of 90 backedges. 0 proven. 90 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2018-07-23 13:40:55,731 INFO L309 seRefinementStrategy]: Constructing automaton from 0 perfect and 1 imperfect interpolant sequences. [2018-07-23 13:40:55,732 INFO L324 seRefinementStrategy]: Number of different interpolants: perfect sequences [] imperfect sequences [12] total 12 [2018-07-23 13:40:55,732 INFO L142 lantAutomatonBuilder]: Constructing canonical interpolant automaton, with selfloop in false state [2018-07-23 13:40:55,732 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2018-07-23 13:40:55,733 INFO L185 omatonBuilderFactory]: Interpolants [783#true, 784#false, 785#(<= ULTIMATE.start_main_~x~4 0), 786#(<= ULTIMATE.start_main_~x~4 1), 787#(<= ULTIMATE.start_main_~x~4 2), 788#(<= ULTIMATE.start_main_~x~4 3), 789#(<= ULTIMATE.start_main_~x~4 4), 790#(<= ULTIMATE.start_main_~x~4 5), 791#(<= ULTIMATE.start_main_~x~4 6), 792#(<= ULTIMATE.start_main_~x~4 7), 793#(<= ULTIMATE.start_main_~x~4 8), 794#(and (<= 0 ULTIMATE.start_main_~y~4) (<= ULTIMATE.start_main_~x~4 9)), 795#(<= 1 ULTIMATE.start_main_~y~4)] [2018-07-23 13:40:55,733 INFO L134 CoverageAnalysis]: Checked inductivity of 90 backedges. 0 proven. 90 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2018-07-23 13:40:55,734 INFO L450 AbstractCegarLoop]: Interpolant automaton has 13 states [2018-07-23 13:40:55,734 INFO L132 InterpolantAutomaton]: Constructing interpolant automaton starting with 13 interpolants. [2018-07-23 13:40:55,734 INFO L133 InterpolantAutomaton]: CoverageRelationStatistics Valid=59, Invalid=97, Unknown=0, NotChecked=0, Total=156 [2018-07-23 13:40:55,735 INFO L87 Difference]: Start difference. First operand 23 states and 23 transitions. Second operand 13 states. [2018-07-23 13:40:55,822 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2018-07-23 13:40:55,823 INFO L93 Difference]: Finished difference Result 28 states and 28 transitions. [2018-07-23 13:40:55,823 INFO L142 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 14 states. [2018-07-23 13:40:55,823 INFO L78 Accepts]: Start accepts. Automaton has 13 states. Word has length 22 [2018-07-23 13:40:55,824 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2018-07-23 13:40:55,825 INFO L225 Difference]: With dead ends: 28 [2018-07-23 13:40:55,825 INFO L226 Difference]: Without dead ends: 26 [2018-07-23 13:40:55,826 INFO L575 BasicCegarLoop]: 0 DeclaredPredicates, 23 GetRequests, 1 SyntacticMatches, 0 SemanticMatches, 22 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 70 ImplicationChecksByTransitivity, 0.0s TimeCoverageRelationStatistics Valid=202, Invalid=350, Unknown=0, NotChecked=0, Total=552 [2018-07-23 13:40:55,830 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 26 states. [2018-07-23 13:40:55,834 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 26 to 25. [2018-07-23 13:40:55,835 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 25 states. [2018-07-23 13:40:55,835 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 25 states to 25 states and 25 transitions. [2018-07-23 13:40:55,836 INFO L78 Accepts]: Start accepts. Automaton has 25 states and 25 transitions. Word has length 22 [2018-07-23 13:40:55,836 INFO L84 Accepts]: Finished accepts. word is rejected. [2018-07-23 13:40:55,836 INFO L471 AbstractCegarLoop]: Abstraction has 25 states and 25 transitions. [2018-07-23 13:40:55,837 INFO L472 AbstractCegarLoop]: Interpolant automaton has 13 states. [2018-07-23 13:40:55,837 INFO L276 IsEmpty]: Start isEmpty. Operand 25 states and 25 transitions. [2018-07-23 13:40:55,837 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 25 [2018-07-23 13:40:55,838 INFO L349 BasicCegarLoop]: Found error trace [2018-07-23 13:40:55,838 INFO L357 BasicCegarLoop]: trace histogram [11, 10, 1, 1, 1] [2018-07-23 13:40:55,838 INFO L414 AbstractCegarLoop]: === Iteration 11 === [ULTIMATE.startErr0AssertViolationASSERT]=== [2018-07-23 13:40:55,839 INFO L82 PathProgramCache]: Analyzing trace with hash 958831668, now seen corresponding path program 10 times [2018-07-23 13:40:55,839 INFO L69 tionRefinementEngine]: Using refinement strategy FixedRefinementStrategy [2018-07-23 13:40:55,847 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-07-23 13:40:55,899 INFO L134 CoverageAnalysis]: Checked inductivity of 110 backedges. 0 proven. 110 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2018-07-23 13:40:55,900 INFO L309 seRefinementStrategy]: Constructing automaton from 0 perfect and 1 imperfect interpolant sequences. [2018-07-23 13:40:55,901 INFO L324 seRefinementStrategy]: Number of different interpolants: perfect sequences [] imperfect sequences [13] total 13 [2018-07-23 13:40:55,901 INFO L142 lantAutomatonBuilder]: Constructing canonical interpolant automaton, with selfloop in false state [2018-07-23 13:40:55,902 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 13:40:55,902 INFO L185 omatonBuilderFactory]: Interpolants [928#(<= ULTIMATE.start_main_~x~4 2), 929#(<= ULTIMATE.start_main_~x~4 3), 930#(<= ULTIMATE.start_main_~x~4 4), 931#(<= ULTIMATE.start_main_~x~4 5), 932#(<= ULTIMATE.start_main_~x~4 6), 933#(<= ULTIMATE.start_main_~x~4 7), 934#(<= ULTIMATE.start_main_~x~4 8), 935#(<= ULTIMATE.start_main_~x~4 9), 936#(and (<= ULTIMATE.start_main_~x~4 10) (<= 0 ULTIMATE.start_main_~y~4)), 937#(<= 1 ULTIMATE.start_main_~y~4), 924#true, 925#false, 926#(<= ULTIMATE.start_main_~x~4 0), 927#(<= ULTIMATE.start_main_~x~4 1)] [2018-07-23 13:40:55,903 INFO L134 CoverageAnalysis]: Checked inductivity of 110 backedges. 0 proven. 110 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2018-07-23 13:40:55,903 INFO L450 AbstractCegarLoop]: Interpolant automaton has 14 states [2018-07-23 13:40:55,906 INFO L132 InterpolantAutomaton]: Constructing interpolant automaton starting with 14 interpolants. [2018-07-23 13:40:55,907 INFO L133 InterpolantAutomaton]: CoverageRelationStatistics Valid=70, Invalid=112, Unknown=0, NotChecked=0, Total=182 [2018-07-23 13:40:55,907 INFO L87 Difference]: Start difference. First operand 25 states and 25 transitions. Second operand 14 states. [2018-07-23 13:40:56,011 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2018-07-23 13:40:56,011 INFO L93 Difference]: Finished difference Result 30 states and 30 transitions. [2018-07-23 13:40:56,012 INFO L142 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 15 states. [2018-07-23 13:40:56,012 INFO L78 Accepts]: Start accepts. Automaton has 14 states. Word has length 24 [2018-07-23 13:40:56,012 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2018-07-23 13:40:56,013 INFO L225 Difference]: With dead ends: 30 [2018-07-23 13:40:56,013 INFO L226 Difference]: Without dead ends: 28 [2018-07-23 13:40:56,017 INFO L575 BasicCegarLoop]: 0 DeclaredPredicates, 25 GetRequests, 1 SyntacticMatches, 0 SemanticMatches, 24 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 83 ImplicationChecksByTransitivity, 0.0s TimeCoverageRelationStatistics Valid=238, Invalid=412, Unknown=0, NotChecked=0, Total=650 [2018-07-23 13:40:56,017 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 28 states. [2018-07-23 13:40:56,023 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 28 to 27. [2018-07-23 13:40:56,024 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 27 states. [2018-07-23 13:40:56,024 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 27 states to 27 states and 27 transitions. [2018-07-23 13:40:56,025 INFO L78 Accepts]: Start accepts. Automaton has 27 states and 27 transitions. Word has length 24 [2018-07-23 13:40:56,025 INFO L84 Accepts]: Finished accepts. word is rejected. [2018-07-23 13:40:56,025 INFO L471 AbstractCegarLoop]: Abstraction has 27 states and 27 transitions. [2018-07-23 13:40:56,027 INFO L472 AbstractCegarLoop]: Interpolant automaton has 14 states. [2018-07-23 13:40:56,027 INFO L276 IsEmpty]: Start isEmpty. Operand 27 states and 27 transitions. [2018-07-23 13:40:56,028 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 27 [2018-07-23 13:40:56,028 INFO L349 BasicCegarLoop]: Found error trace [2018-07-23 13:40:56,028 INFO L357 BasicCegarLoop]: trace histogram [12, 11, 1, 1, 1] [2018-07-23 13:40:56,028 INFO L414 AbstractCegarLoop]: === Iteration 12 === [ULTIMATE.startErr0AssertViolationASSERT]=== [2018-07-23 13:40:56,029 INFO L82 PathProgramCache]: Analyzing trace with hash -1980671910, now seen corresponding path program 11 times [2018-07-23 13:40:56,029 INFO L69 tionRefinementEngine]: Using refinement strategy FixedRefinementStrategy [2018-07-23 13:40:56,040 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-07-23 13:40:56,109 INFO L134 CoverageAnalysis]: Checked inductivity of 132 backedges. 0 proven. 132 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2018-07-23 13:40:56,109 INFO L309 seRefinementStrategy]: Constructing automaton from 0 perfect and 1 imperfect interpolant sequences. [2018-07-23 13:40:56,110 INFO L324 seRefinementStrategy]: Number of different interpolants: perfect sequences [] imperfect sequences [14] total 14 [2018-07-23 13:40:56,110 INFO L142 lantAutomatonBuilder]: Constructing canonical interpolant automaton, with selfloop in false state [2018-07-23 13:40:56,110 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2018-07-23 13:40:56,111 INFO L185 omatonBuilderFactory]: Interpolants [1088#(<= ULTIMATE.start_main_~x~4 10), 1089#(and (<= ULTIMATE.start_main_~x~4 11) (<= 0 ULTIMATE.start_main_~y~4)), 1090#(<= 1 ULTIMATE.start_main_~y~4), 1076#true, 1077#false, 1078#(<= ULTIMATE.start_main_~x~4 0), 1079#(<= ULTIMATE.start_main_~x~4 1), 1080#(<= ULTIMATE.start_main_~x~4 2), 1081#(<= ULTIMATE.start_main_~x~4 3), 1082#(<= ULTIMATE.start_main_~x~4 4), 1083#(<= ULTIMATE.start_main_~x~4 5), 1084#(<= ULTIMATE.start_main_~x~4 6), 1085#(<= ULTIMATE.start_main_~x~4 7), 1086#(<= ULTIMATE.start_main_~x~4 8), 1087#(<= ULTIMATE.start_main_~x~4 9)] [2018-07-23 13:40:56,112 INFO L134 CoverageAnalysis]: Checked inductivity of 132 backedges. 0 proven. 132 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2018-07-23 13:40:56,112 INFO L450 AbstractCegarLoop]: Interpolant automaton has 15 states [2018-07-23 13:40:56,113 INFO L132 InterpolantAutomaton]: Constructing interpolant automaton starting with 15 interpolants. [2018-07-23 13:40:56,113 INFO L133 InterpolantAutomaton]: CoverageRelationStatistics Valid=82, Invalid=128, Unknown=0, NotChecked=0, Total=210 [2018-07-23 13:40:56,114 INFO L87 Difference]: Start difference. First operand 27 states and 27 transitions. Second operand 15 states. [2018-07-23 13:40:56,224 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2018-07-23 13:40:56,224 INFO L93 Difference]: Finished difference Result 32 states and 32 transitions. [2018-07-23 13:40:56,225 INFO L142 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 16 states. [2018-07-23 13:40:56,225 INFO L78 Accepts]: Start accepts. Automaton has 15 states. Word has length 26 [2018-07-23 13:40:56,225 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2018-07-23 13:40:56,226 INFO L225 Difference]: With dead ends: 32 [2018-07-23 13:40:56,226 INFO L226 Difference]: Without dead ends: 30 [2018-07-23 13:40:56,228 INFO L575 BasicCegarLoop]: 0 DeclaredPredicates, 27 GetRequests, 1 SyntacticMatches, 0 SemanticMatches, 26 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 97 ImplicationChecksByTransitivity, 0.1s TimeCoverageRelationStatistics Valid=277, Invalid=479, Unknown=0, NotChecked=0, Total=756 [2018-07-23 13:40:56,228 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 30 states. [2018-07-23 13:40:56,236 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 30 to 29. [2018-07-23 13:40:56,236 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 29 states. [2018-07-23 13:40:56,237 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 29 states to 29 states and 29 transitions. [2018-07-23 13:40:56,237 INFO L78 Accepts]: Start accepts. Automaton has 29 states and 29 transitions. Word has length 26 [2018-07-23 13:40:56,238 INFO L84 Accepts]: Finished accepts. word is rejected. [2018-07-23 13:40:56,238 INFO L471 AbstractCegarLoop]: Abstraction has 29 states and 29 transitions. [2018-07-23 13:40:56,238 INFO L472 AbstractCegarLoop]: Interpolant automaton has 15 states. [2018-07-23 13:40:56,238 INFO L276 IsEmpty]: Start isEmpty. Operand 29 states and 29 transitions. [2018-07-23 13:40:56,239 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 29 [2018-07-23 13:40:56,239 INFO L349 BasicCegarLoop]: Found error trace [2018-07-23 13:40:56,239 INFO L357 BasicCegarLoop]: trace histogram [13, 12, 1, 1, 1] [2018-07-23 13:40:56,239 INFO L414 AbstractCegarLoop]: === Iteration 13 === [ULTIMATE.startErr0AssertViolationASSERT]=== [2018-07-23 13:40:56,240 INFO L82 PathProgramCache]: Analyzing trace with hash -755129600, now seen corresponding path program 12 times [2018-07-23 13:40:56,240 INFO L69 tionRefinementEngine]: Using refinement strategy FixedRefinementStrategy [2018-07-23 13:40:56,261 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-07-23 13:40:56,328 INFO L134 CoverageAnalysis]: Checked inductivity of 156 backedges. 0 proven. 156 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2018-07-23 13:40:56,329 INFO L309 seRefinementStrategy]: Constructing automaton from 0 perfect and 1 imperfect interpolant sequences. [2018-07-23 13:40:56,329 INFO L324 seRefinementStrategy]: Number of different interpolants: perfect sequences [] imperfect sequences [15] total 15 [2018-07-23 13:40:56,330 INFO L142 lantAutomatonBuilder]: Constructing canonical interpolant automaton, with selfloop in false state [2018-07-23 13:40:56,330 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2018-07-23 13:40:56,331 INFO L185 omatonBuilderFactory]: Interpolants [1248#(<= ULTIMATE.start_main_~x~4 7), 1249#(<= ULTIMATE.start_main_~x~4 8), 1250#(<= ULTIMATE.start_main_~x~4 9), 1251#(<= ULTIMATE.start_main_~x~4 10), 1252#(<= ULTIMATE.start_main_~x~4 11), 1253#(and (<= 0 ULTIMATE.start_main_~y~4) (<= ULTIMATE.start_main_~x~4 12)), 1254#(<= 1 ULTIMATE.start_main_~y~4), 1239#true, 1240#false, 1241#(<= ULTIMATE.start_main_~x~4 0), 1242#(<= ULTIMATE.start_main_~x~4 1), 1243#(<= ULTIMATE.start_main_~x~4 2), 1244#(<= ULTIMATE.start_main_~x~4 3), 1245#(<= ULTIMATE.start_main_~x~4 4), 1246#(<= ULTIMATE.start_main_~x~4 5), 1247#(<= ULTIMATE.start_main_~x~4 6)] [2018-07-23 13:40:56,331 INFO L134 CoverageAnalysis]: Checked inductivity of 156 backedges. 0 proven. 156 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2018-07-23 13:40:56,332 INFO L450 AbstractCegarLoop]: Interpolant automaton has 16 states [2018-07-23 13:40:56,332 INFO L132 InterpolantAutomaton]: Constructing interpolant automaton starting with 16 interpolants. [2018-07-23 13:40:56,332 INFO L133 InterpolantAutomaton]: CoverageRelationStatistics Valid=95, Invalid=145, Unknown=0, NotChecked=0, Total=240 [2018-07-23 13:40:56,333 INFO L87 Difference]: Start difference. First operand 29 states and 29 transitions. Second operand 16 states. [2018-07-23 13:40:56,456 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2018-07-23 13:40:56,457 INFO L93 Difference]: Finished difference Result 34 states and 34 transitions. [2018-07-23 13:40:56,457 INFO L142 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 17 states. [2018-07-23 13:40:56,457 INFO L78 Accepts]: Start accepts. Automaton has 16 states. Word has length 28 [2018-07-23 13:40:56,457 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2018-07-23 13:40:56,458 INFO L225 Difference]: With dead ends: 34 [2018-07-23 13:40:56,458 INFO L226 Difference]: Without dead ends: 32 [2018-07-23 13:40:56,459 INFO L575 BasicCegarLoop]: 0 DeclaredPredicates, 29 GetRequests, 1 SyntacticMatches, 0 SemanticMatches, 28 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 112 ImplicationChecksByTransitivity, 0.1s TimeCoverageRelationStatistics Valid=319, Invalid=551, Unknown=0, NotChecked=0, Total=870 [2018-07-23 13:40:56,460 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 32 states. [2018-07-23 13:40:56,468 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 32 to 31. [2018-07-23 13:40:56,469 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 31 states. [2018-07-23 13:40:56,473 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 31 states to 31 states and 31 transitions. [2018-07-23 13:40:56,474 INFO L78 Accepts]: Start accepts. Automaton has 31 states and 31 transitions. Word has length 28 [2018-07-23 13:40:56,474 INFO L84 Accepts]: Finished accepts. word is rejected. [2018-07-23 13:40:56,474 INFO L471 AbstractCegarLoop]: Abstraction has 31 states and 31 transitions. [2018-07-23 13:40:56,474 INFO L472 AbstractCegarLoop]: Interpolant automaton has 16 states. [2018-07-23 13:40:56,474 INFO L276 IsEmpty]: Start isEmpty. Operand 31 states and 31 transitions. [2018-07-23 13:40:56,475 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 31 [2018-07-23 13:40:56,475 INFO L349 BasicCegarLoop]: Found error trace [2018-07-23 13:40:56,476 INFO L357 BasicCegarLoop]: trace histogram [14, 13, 1, 1, 1] [2018-07-23 13:40:56,476 INFO L414 AbstractCegarLoop]: === Iteration 14 === [ULTIMATE.startErr0AssertViolationASSERT]=== [2018-07-23 13:40:56,476 INFO L82 PathProgramCache]: Analyzing trace with hash 169991206, now seen corresponding path program 13 times [2018-07-23 13:40:56,477 INFO L69 tionRefinementEngine]: Using refinement strategy FixedRefinementStrategy [2018-07-23 13:40:56,488 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-07-23 13:40:56,540 INFO L134 CoverageAnalysis]: Checked inductivity of 182 backedges. 0 proven. 182 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2018-07-23 13:40:56,540 INFO L309 seRefinementStrategy]: Constructing automaton from 0 perfect and 1 imperfect interpolant sequences. [2018-07-23 13:40:56,541 INFO L324 seRefinementStrategy]: Number of different interpolants: perfect sequences [] imperfect sequences [16] total 16 [2018-07-23 13:40:56,541 INFO L142 lantAutomatonBuilder]: Constructing canonical interpolant automaton, with selfloop in false state [2018-07-23 13:40:56,541 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2018-07-23 13:40:56,542 INFO L185 omatonBuilderFactory]: Interpolants [1413#true, 1414#false, 1415#(<= ULTIMATE.start_main_~x~4 0), 1416#(<= ULTIMATE.start_main_~x~4 1), 1417#(<= ULTIMATE.start_main_~x~4 2), 1418#(<= ULTIMATE.start_main_~x~4 3), 1419#(<= ULTIMATE.start_main_~x~4 4), 1420#(<= ULTIMATE.start_main_~x~4 5), 1421#(<= ULTIMATE.start_main_~x~4 6), 1422#(<= ULTIMATE.start_main_~x~4 7), 1423#(<= ULTIMATE.start_main_~x~4 8), 1424#(<= ULTIMATE.start_main_~x~4 9), 1425#(<= ULTIMATE.start_main_~x~4 10), 1426#(<= ULTIMATE.start_main_~x~4 11), 1427#(<= ULTIMATE.start_main_~x~4 12), 1428#(and (<= 0 ULTIMATE.start_main_~y~4) (<= ULTIMATE.start_main_~x~4 13)), 1429#(<= 1 ULTIMATE.start_main_~y~4)] [2018-07-23 13:40:56,542 INFO L134 CoverageAnalysis]: Checked inductivity of 182 backedges. 0 proven. 182 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2018-07-23 13:40:56,543 INFO L450 AbstractCegarLoop]: Interpolant automaton has 17 states [2018-07-23 13:40:56,543 INFO L132 InterpolantAutomaton]: Constructing interpolant automaton starting with 17 interpolants. [2018-07-23 13:40:56,544 INFO L133 InterpolantAutomaton]: CoverageRelationStatistics Valid=109, Invalid=163, Unknown=0, NotChecked=0, Total=272 [2018-07-23 13:40:56,545 INFO L87 Difference]: Start difference. First operand 31 states and 31 transitions. Second operand 17 states. [2018-07-23 13:40:56,679 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2018-07-23 13:40:56,680 INFO L93 Difference]: Finished difference Result 36 states and 36 transitions. [2018-07-23 13:40:56,680 INFO L142 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 18 states. [2018-07-23 13:40:56,680 INFO L78 Accepts]: Start accepts. Automaton has 17 states. Word has length 30 [2018-07-23 13:40:56,680 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2018-07-23 13:40:56,681 INFO L225 Difference]: With dead ends: 36 [2018-07-23 13:40:56,681 INFO L226 Difference]: Without dead ends: 34 [2018-07-23 13:40:56,682 INFO L575 BasicCegarLoop]: 0 DeclaredPredicates, 31 GetRequests, 1 SyntacticMatches, 0 SemanticMatches, 30 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 128 ImplicationChecksByTransitivity, 0.1s TimeCoverageRelationStatistics Valid=364, Invalid=628, Unknown=0, NotChecked=0, Total=992 [2018-07-23 13:40:56,682 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 34 states. [2018-07-23 13:40:56,687 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 34 to 33. [2018-07-23 13:40:56,688 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 33 states. [2018-07-23 13:40:56,688 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 33 states to 33 states and 33 transitions. [2018-07-23 13:40:56,689 INFO L78 Accepts]: Start accepts. Automaton has 33 states and 33 transitions. Word has length 30 [2018-07-23 13:40:56,689 INFO L84 Accepts]: Finished accepts. word is rejected. [2018-07-23 13:40:56,689 INFO L471 AbstractCegarLoop]: Abstraction has 33 states and 33 transitions. [2018-07-23 13:40:56,689 INFO L472 AbstractCegarLoop]: Interpolant automaton has 17 states. [2018-07-23 13:40:56,690 INFO L276 IsEmpty]: Start isEmpty. Operand 33 states and 33 transitions. [2018-07-23 13:40:56,694 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 33 [2018-07-23 13:40:56,694 INFO L349 BasicCegarLoop]: Found error trace [2018-07-23 13:40:56,694 INFO L357 BasicCegarLoop]: trace histogram [15, 14, 1, 1, 1] [2018-07-23 13:40:56,694 INFO L414 AbstractCegarLoop]: === Iteration 15 === [ULTIMATE.startErr0AssertViolationASSERT]=== [2018-07-23 13:40:56,695 INFO L82 PathProgramCache]: Analyzing trace with hash 152855500, now seen corresponding path program 14 times [2018-07-23 13:40:56,695 INFO L69 tionRefinementEngine]: Using refinement strategy FixedRefinementStrategy [2018-07-23 13:40:56,707 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-07-23 13:40:56,779 INFO L134 CoverageAnalysis]: Checked inductivity of 210 backedges. 0 proven. 210 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2018-07-23 13:40:56,780 INFO L309 seRefinementStrategy]: Constructing automaton from 0 perfect and 1 imperfect interpolant sequences. [2018-07-23 13:40:56,780 INFO L324 seRefinementStrategy]: Number of different interpolants: perfect sequences [] imperfect sequences [17] total 17 [2018-07-23 13:40:56,780 INFO L142 lantAutomatonBuilder]: Constructing canonical interpolant automaton, with selfloop in false state [2018-07-23 13:40:56,781 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2018-07-23 13:40:56,783 INFO L185 omatonBuilderFactory]: Interpolants [1600#(<= ULTIMATE.start_main_~x~4 0), 1601#(<= ULTIMATE.start_main_~x~4 1), 1602#(<= ULTIMATE.start_main_~x~4 2), 1603#(<= ULTIMATE.start_main_~x~4 3), 1604#(<= ULTIMATE.start_main_~x~4 4), 1605#(<= ULTIMATE.start_main_~x~4 5), 1606#(<= ULTIMATE.start_main_~x~4 6), 1607#(<= ULTIMATE.start_main_~x~4 7), 1608#(<= ULTIMATE.start_main_~x~4 8), 1609#(<= ULTIMATE.start_main_~x~4 9), 1610#(<= ULTIMATE.start_main_~x~4 10), 1611#(<= ULTIMATE.start_main_~x~4 11), 1612#(<= ULTIMATE.start_main_~x~4 12), 1613#(<= ULTIMATE.start_main_~x~4 13), 1614#(and (<= 0 ULTIMATE.start_main_~y~4) (<= ULTIMATE.start_main_~x~4 14)), 1615#(<= 1 ULTIMATE.start_main_~y~4), 1598#true, 1599#false] [2018-07-23 13:40:56,784 INFO L134 CoverageAnalysis]: Checked inductivity of 210 backedges. 0 proven. 210 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2018-07-23 13:40:56,784 INFO L450 AbstractCegarLoop]: Interpolant automaton has 18 states [2018-07-23 13:40:56,784 INFO L132 InterpolantAutomaton]: Constructing interpolant automaton starting with 18 interpolants. [2018-07-23 13:40:56,785 INFO L133 InterpolantAutomaton]: CoverageRelationStatistics Valid=124, Invalid=182, Unknown=0, NotChecked=0, Total=306 [2018-07-23 13:40:56,785 INFO L87 Difference]: Start difference. First operand 33 states and 33 transitions. Second operand 18 states. [2018-07-23 13:40:56,923 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2018-07-23 13:40:56,923 INFO L93 Difference]: Finished difference Result 38 states and 38 transitions. [2018-07-23 13:40:56,924 INFO L142 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 19 states. [2018-07-23 13:40:56,924 INFO L78 Accepts]: Start accepts. Automaton has 18 states. Word has length 32 [2018-07-23 13:40:56,925 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2018-07-23 13:40:56,925 INFO L225 Difference]: With dead ends: 38 [2018-07-23 13:40:56,925 INFO L226 Difference]: Without dead ends: 36 [2018-07-23 13:40:56,927 INFO L575 BasicCegarLoop]: 0 DeclaredPredicates, 33 GetRequests, 1 SyntacticMatches, 0 SemanticMatches, 32 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 145 ImplicationChecksByTransitivity, 0.1s TimeCoverageRelationStatistics Valid=412, Invalid=710, Unknown=0, NotChecked=0, Total=1122 [2018-07-23 13:40:56,927 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 36 states. [2018-07-23 13:40:56,932 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 36 to 35. [2018-07-23 13:40:56,932 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 35 states. [2018-07-23 13:40:56,933 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 35 states to 35 states and 35 transitions. [2018-07-23 13:40:56,933 INFO L78 Accepts]: Start accepts. Automaton has 35 states and 35 transitions. Word has length 32 [2018-07-23 13:40:56,934 INFO L84 Accepts]: Finished accepts. word is rejected. [2018-07-23 13:40:56,934 INFO L471 AbstractCegarLoop]: Abstraction has 35 states and 35 transitions. [2018-07-23 13:40:56,934 INFO L472 AbstractCegarLoop]: Interpolant automaton has 18 states. [2018-07-23 13:40:56,934 INFO L276 IsEmpty]: Start isEmpty. Operand 35 states and 35 transitions. [2018-07-23 13:40:56,935 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 35 [2018-07-23 13:40:56,935 INFO L349 BasicCegarLoop]: Found error trace [2018-07-23 13:40:56,935 INFO L357 BasicCegarLoop]: trace histogram [16, 15, 1, 1, 1] [2018-07-23 13:40:56,935 INFO L414 AbstractCegarLoop]: === Iteration 16 === [ULTIMATE.startErr0AssertViolationASSERT]=== [2018-07-23 13:40:56,936 INFO L82 PathProgramCache]: Analyzing trace with hash 865311218, now seen corresponding path program 15 times [2018-07-23 13:40:56,936 INFO L69 tionRefinementEngine]: Using refinement strategy FixedRefinementStrategy [2018-07-23 13:40:56,946 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-07-23 13:40:57,005 INFO L134 CoverageAnalysis]: Checked inductivity of 240 backedges. 0 proven. 240 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2018-07-23 13:40:57,005 INFO L309 seRefinementStrategy]: Constructing automaton from 0 perfect and 1 imperfect interpolant sequences. [2018-07-23 13:40:57,005 INFO L324 seRefinementStrategy]: Number of different interpolants: perfect sequences [] imperfect sequences [18] total 18 [2018-07-23 13:40:57,006 INFO L142 lantAutomatonBuilder]: Constructing canonical interpolant automaton, with selfloop in false state [2018-07-23 13:40:57,006 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2018-07-23 13:40:57,007 INFO L185 omatonBuilderFactory]: Interpolants [1794#true, 1795#false, 1796#(<= ULTIMATE.start_main_~x~4 0), 1797#(<= ULTIMATE.start_main_~x~4 1), 1798#(<= ULTIMATE.start_main_~x~4 2), 1799#(<= ULTIMATE.start_main_~x~4 3), 1800#(<= ULTIMATE.start_main_~x~4 4), 1801#(<= ULTIMATE.start_main_~x~4 5), 1802#(<= ULTIMATE.start_main_~x~4 6), 1803#(<= ULTIMATE.start_main_~x~4 7), 1804#(<= ULTIMATE.start_main_~x~4 8), 1805#(<= ULTIMATE.start_main_~x~4 9), 1806#(<= ULTIMATE.start_main_~x~4 10), 1807#(<= ULTIMATE.start_main_~x~4 11), 1808#(<= ULTIMATE.start_main_~x~4 12), 1809#(<= ULTIMATE.start_main_~x~4 13), 1810#(<= ULTIMATE.start_main_~x~4 14), 1811#(and (<= 0 ULTIMATE.start_main_~y~4) (<= ULTIMATE.start_main_~x~4 15)), 1812#(<= 1 ULTIMATE.start_main_~y~4)] [2018-07-23 13:40:57,007 INFO L134 CoverageAnalysis]: Checked inductivity of 240 backedges. 0 proven. 240 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2018-07-23 13:40:57,012 INFO L450 AbstractCegarLoop]: Interpolant automaton has 19 states [2018-07-23 13:40:57,012 INFO L132 InterpolantAutomaton]: Constructing interpolant automaton starting with 19 interpolants. [2018-07-23 13:40:57,012 INFO L133 InterpolantAutomaton]: CoverageRelationStatistics Valid=140, Invalid=202, Unknown=0, NotChecked=0, Total=342 [2018-07-23 13:40:57,013 INFO L87 Difference]: Start difference. First operand 35 states and 35 transitions. Second operand 19 states. [2018-07-23 13:40:57,141 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2018-07-23 13:40:57,141 INFO L93 Difference]: Finished difference Result 40 states and 40 transitions. [2018-07-23 13:40:57,142 INFO L142 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 20 states. [2018-07-23 13:40:57,142 INFO L78 Accepts]: Start accepts. Automaton has 19 states. Word has length 34 [2018-07-23 13:40:57,142 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2018-07-23 13:40:57,143 INFO L225 Difference]: With dead ends: 40 [2018-07-23 13:40:57,143 INFO L226 Difference]: Without dead ends: 38 [2018-07-23 13:40:57,148 INFO L575 BasicCegarLoop]: 0 DeclaredPredicates, 35 GetRequests, 1 SyntacticMatches, 0 SemanticMatches, 34 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 163 ImplicationChecksByTransitivity, 0.1s TimeCoverageRelationStatistics Valid=463, Invalid=797, Unknown=0, NotChecked=0, Total=1260 [2018-07-23 13:40:57,149 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 38 states. [2018-07-23 13:40:57,159 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 38 to 37. [2018-07-23 13:40:57,160 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 37 states. [2018-07-23 13:40:57,160 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 37 states to 37 states and 37 transitions. [2018-07-23 13:40:57,161 INFO L78 Accepts]: Start accepts. Automaton has 37 states and 37 transitions. Word has length 34 [2018-07-23 13:40:57,161 INFO L84 Accepts]: Finished accepts. word is rejected. [2018-07-23 13:40:57,161 INFO L471 AbstractCegarLoop]: Abstraction has 37 states and 37 transitions. [2018-07-23 13:40:57,161 INFO L472 AbstractCegarLoop]: Interpolant automaton has 19 states. [2018-07-23 13:40:57,161 INFO L276 IsEmpty]: Start isEmpty. Operand 37 states and 37 transitions. [2018-07-23 13:40:57,162 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 37 [2018-07-23 13:40:57,162 INFO L349 BasicCegarLoop]: Found error trace [2018-07-23 13:40:57,163 INFO L357 BasicCegarLoop]: trace histogram [17, 16, 1, 1, 1] [2018-07-23 13:40:57,163 INFO L414 AbstractCegarLoop]: === Iteration 17 === [ULTIMATE.startErr0AssertViolationASSERT]=== [2018-07-23 13:40:57,164 INFO L82 PathProgramCache]: Analyzing trace with hash -1659511144, now seen corresponding path program 16 times [2018-07-23 13:40:57,164 INFO L69 tionRefinementEngine]: Using refinement strategy FixedRefinementStrategy [2018-07-23 13:40:57,173 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-07-23 13:40:57,232 INFO L134 CoverageAnalysis]: Checked inductivity of 272 backedges. 0 proven. 272 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2018-07-23 13:40:57,233 INFO L309 seRefinementStrategy]: Constructing automaton from 0 perfect and 1 imperfect interpolant sequences. [2018-07-23 13:40:57,233 INFO L324 seRefinementStrategy]: Number of different interpolants: perfect sequences [] imperfect sequences [19] total 19 [2018-07-23 13:40:57,233 INFO L142 lantAutomatonBuilder]: Constructing canonical interpolant automaton, with selfloop in false state [2018-07-23 13:40:57,233 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 13:40:57,234 INFO L185 omatonBuilderFactory]: Interpolants [2016#(<= ULTIMATE.start_main_~x~4 13), 2017#(<= ULTIMATE.start_main_~x~4 14), 2018#(<= ULTIMATE.start_main_~x~4 15), 2019#(and (<= ULTIMATE.start_main_~x~4 16) (<= 0 ULTIMATE.start_main_~y~4)), 2020#(<= 1 ULTIMATE.start_main_~y~4), 2001#true, 2002#false, 2003#(<= ULTIMATE.start_main_~x~4 0), 2004#(<= ULTIMATE.start_main_~x~4 1), 2005#(<= ULTIMATE.start_main_~x~4 2), 2006#(<= ULTIMATE.start_main_~x~4 3), 2007#(<= ULTIMATE.start_main_~x~4 4), 2008#(<= ULTIMATE.start_main_~x~4 5), 2009#(<= ULTIMATE.start_main_~x~4 6), 2010#(<= ULTIMATE.start_main_~x~4 7), 2011#(<= ULTIMATE.start_main_~x~4 8), 2012#(<= ULTIMATE.start_main_~x~4 9), 2013#(<= ULTIMATE.start_main_~x~4 10), 2014#(<= ULTIMATE.start_main_~x~4 11), 2015#(<= ULTIMATE.start_main_~x~4 12)] [2018-07-23 13:40:57,234 INFO L134 CoverageAnalysis]: Checked inductivity of 272 backedges. 0 proven. 272 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2018-07-23 13:40:57,235 INFO L450 AbstractCegarLoop]: Interpolant automaton has 20 states [2018-07-23 13:40:57,235 INFO L132 InterpolantAutomaton]: Constructing interpolant automaton starting with 20 interpolants. [2018-07-23 13:40:57,235 INFO L133 InterpolantAutomaton]: CoverageRelationStatistics Valid=157, Invalid=223, Unknown=0, NotChecked=0, Total=380 [2018-07-23 13:40:57,236 INFO L87 Difference]: Start difference. First operand 37 states and 37 transitions. Second operand 20 states. [2018-07-23 13:40:57,392 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2018-07-23 13:40:57,393 INFO L93 Difference]: Finished difference Result 42 states and 42 transitions. [2018-07-23 13:40:57,393 INFO L142 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 21 states. [2018-07-23 13:40:57,393 INFO L78 Accepts]: Start accepts. Automaton has 20 states. Word has length 36 [2018-07-23 13:40:57,393 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2018-07-23 13:40:57,394 INFO L225 Difference]: With dead ends: 42 [2018-07-23 13:40:57,394 INFO L226 Difference]: Without dead ends: 40 [2018-07-23 13:40:57,395 INFO L575 BasicCegarLoop]: 0 DeclaredPredicates, 37 GetRequests, 1 SyntacticMatches, 0 SemanticMatches, 36 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 182 ImplicationChecksByTransitivity, 0.1s TimeCoverageRelationStatistics Valid=517, Invalid=889, Unknown=0, NotChecked=0, Total=1406 [2018-07-23 13:40:57,397 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 40 states. [2018-07-23 13:40:57,405 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 40 to 39. [2018-07-23 13:40:57,406 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 39 states. [2018-07-23 13:40:57,409 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 39 states to 39 states and 39 transitions. [2018-07-23 13:40:57,410 INFO L78 Accepts]: Start accepts. Automaton has 39 states and 39 transitions. Word has length 36 [2018-07-23 13:40:57,410 INFO L84 Accepts]: Finished accepts. word is rejected. [2018-07-23 13:40:57,410 INFO L471 AbstractCegarLoop]: Abstraction has 39 states and 39 transitions. [2018-07-23 13:40:57,410 INFO L472 AbstractCegarLoop]: Interpolant automaton has 20 states. [2018-07-23 13:40:57,410 INFO L276 IsEmpty]: Start isEmpty. Operand 39 states and 39 transitions. [2018-07-23 13:40:57,411 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 39 [2018-07-23 13:40:57,411 INFO L349 BasicCegarLoop]: Found error trace [2018-07-23 13:40:57,413 INFO L357 BasicCegarLoop]: trace histogram [18, 17, 1, 1, 1] [2018-07-23 13:40:57,413 INFO L414 AbstractCegarLoop]: === Iteration 18 === [ULTIMATE.startErr0AssertViolationASSERT]=== [2018-07-23 13:40:57,414 INFO L82 PathProgramCache]: Analyzing trace with hash -1357278786, now seen corresponding path program 17 times [2018-07-23 13:40:57,414 INFO L69 tionRefinementEngine]: Using refinement strategy FixedRefinementStrategy [2018-07-23 13:40:57,426 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-07-23 13:40:57,507 INFO L134 CoverageAnalysis]: Checked inductivity of 306 backedges. 0 proven. 306 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2018-07-23 13:40:57,507 INFO L309 seRefinementStrategy]: Constructing automaton from 0 perfect and 1 imperfect interpolant sequences. [2018-07-23 13:40:57,508 INFO L324 seRefinementStrategy]: Number of different interpolants: perfect sequences [] imperfect sequences [20] total 20 [2018-07-23 13:40:57,508 INFO L142 lantAutomatonBuilder]: Constructing canonical interpolant automaton, with selfloop in false state [2018-07-23 13:40:57,508 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2018-07-23 13:40:57,509 INFO L185 omatonBuilderFactory]: Interpolants [2219#true, 2220#false, 2221#(<= ULTIMATE.start_main_~x~4 0), 2222#(<= ULTIMATE.start_main_~x~4 1), 2223#(<= ULTIMATE.start_main_~x~4 2), 2224#(<= ULTIMATE.start_main_~x~4 3), 2225#(<= ULTIMATE.start_main_~x~4 4), 2226#(<= ULTIMATE.start_main_~x~4 5), 2227#(<= ULTIMATE.start_main_~x~4 6), 2228#(<= ULTIMATE.start_main_~x~4 7), 2229#(<= ULTIMATE.start_main_~x~4 8), 2230#(<= ULTIMATE.start_main_~x~4 9), 2231#(<= ULTIMATE.start_main_~x~4 10), 2232#(<= ULTIMATE.start_main_~x~4 11), 2233#(<= ULTIMATE.start_main_~x~4 12), 2234#(<= ULTIMATE.start_main_~x~4 13), 2235#(<= ULTIMATE.start_main_~x~4 14), 2236#(<= ULTIMATE.start_main_~x~4 15), 2237#(<= ULTIMATE.start_main_~x~4 16), 2238#(and (<= ULTIMATE.start_main_~x~4 17) (<= 0 ULTIMATE.start_main_~y~4)), 2239#(<= 1 ULTIMATE.start_main_~y~4)] [2018-07-23 13:40:57,511 INFO L134 CoverageAnalysis]: Checked inductivity of 306 backedges. 0 proven. 306 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2018-07-23 13:40:57,511 INFO L450 AbstractCegarLoop]: Interpolant automaton has 21 states [2018-07-23 13:40:57,512 INFO L132 InterpolantAutomaton]: Constructing interpolant automaton starting with 21 interpolants. [2018-07-23 13:40:57,512 INFO L133 InterpolantAutomaton]: CoverageRelationStatistics Valid=175, Invalid=245, Unknown=0, NotChecked=0, Total=420 [2018-07-23 13:40:57,513 INFO L87 Difference]: Start difference. First operand 39 states and 39 transitions. Second operand 21 states. [2018-07-23 13:40:57,663 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2018-07-23 13:40:57,663 INFO L93 Difference]: Finished difference Result 44 states and 44 transitions. [2018-07-23 13:40:57,663 INFO L142 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 22 states. [2018-07-23 13:40:57,663 INFO L78 Accepts]: Start accepts. Automaton has 21 states. Word has length 38 [2018-07-23 13:40:57,664 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2018-07-23 13:40:57,664 INFO L225 Difference]: With dead ends: 44 [2018-07-23 13:40:57,664 INFO L226 Difference]: Without dead ends: 42 [2018-07-23 13:40:57,666 INFO L575 BasicCegarLoop]: 0 DeclaredPredicates, 39 GetRequests, 1 SyntacticMatches, 0 SemanticMatches, 38 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 202 ImplicationChecksByTransitivity, 0.1s TimeCoverageRelationStatistics Valid=574, Invalid=986, Unknown=0, NotChecked=0, Total=1560 [2018-07-23 13:40:57,666 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 42 states. [2018-07-23 13:40:57,673 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 42 to 41. [2018-07-23 13:40:57,673 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 41 states. [2018-07-23 13:40:57,674 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 41 states to 41 states and 41 transitions. [2018-07-23 13:40:57,674 INFO L78 Accepts]: Start accepts. Automaton has 41 states and 41 transitions. Word has length 38 [2018-07-23 13:40:57,674 INFO L84 Accepts]: Finished accepts. word is rejected. [2018-07-23 13:40:57,675 INFO L471 AbstractCegarLoop]: Abstraction has 41 states and 41 transitions. [2018-07-23 13:40:57,675 INFO L472 AbstractCegarLoop]: Interpolant automaton has 21 states. [2018-07-23 13:40:57,675 INFO L276 IsEmpty]: Start isEmpty. Operand 41 states and 41 transitions. [2018-07-23 13:40:57,676 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 41 [2018-07-23 13:40:57,676 INFO L349 BasicCegarLoop]: Found error trace [2018-07-23 13:40:57,676 INFO L357 BasicCegarLoop]: trace histogram [19, 18, 1, 1, 1] [2018-07-23 13:40:57,676 INFO L414 AbstractCegarLoop]: === Iteration 19 === [ULTIMATE.startErr0AssertViolationASSERT]=== [2018-07-23 13:40:57,677 INFO L82 PathProgramCache]: Analyzing trace with hash 1325208420, now seen corresponding path program 18 times [2018-07-23 13:40:57,677 INFO L69 tionRefinementEngine]: Using refinement strategy FixedRefinementStrategy [2018-07-23 13:40:57,695 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-07-23 13:40:57,766 INFO L134 CoverageAnalysis]: Checked inductivity of 342 backedges. 0 proven. 342 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2018-07-23 13:40:57,766 INFO L309 seRefinementStrategy]: Constructing automaton from 0 perfect and 1 imperfect interpolant sequences. [2018-07-23 13:40:57,767 INFO L324 seRefinementStrategy]: Number of different interpolants: perfect sequences [] imperfect sequences [21] total 21 [2018-07-23 13:40:57,767 INFO L142 lantAutomatonBuilder]: Constructing canonical interpolant automaton, with selfloop in false state [2018-07-23 13:40:57,767 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 13:40:57,768 INFO L185 omatonBuilderFactory]: Interpolants [2464#(<= ULTIMATE.start_main_~x~4 14), 2465#(<= ULTIMATE.start_main_~x~4 15), 2466#(<= ULTIMATE.start_main_~x~4 16), 2467#(<= ULTIMATE.start_main_~x~4 17), 2468#(and (<= ULTIMATE.start_main_~x~4 18) (<= 0 ULTIMATE.start_main_~y~4)), 2469#(<= 1 ULTIMATE.start_main_~y~4), 2448#true, 2449#false, 2450#(<= ULTIMATE.start_main_~x~4 0), 2451#(<= ULTIMATE.start_main_~x~4 1), 2452#(<= ULTIMATE.start_main_~x~4 2), 2453#(<= ULTIMATE.start_main_~x~4 3), 2454#(<= ULTIMATE.start_main_~x~4 4), 2455#(<= ULTIMATE.start_main_~x~4 5), 2456#(<= ULTIMATE.start_main_~x~4 6), 2457#(<= ULTIMATE.start_main_~x~4 7), 2458#(<= ULTIMATE.start_main_~x~4 8), 2459#(<= ULTIMATE.start_main_~x~4 9), 2460#(<= ULTIMATE.start_main_~x~4 10), 2461#(<= ULTIMATE.start_main_~x~4 11), 2462#(<= ULTIMATE.start_main_~x~4 12), 2463#(<= ULTIMATE.start_main_~x~4 13)] [2018-07-23 13:40:57,768 INFO L134 CoverageAnalysis]: Checked inductivity of 342 backedges. 0 proven. 342 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2018-07-23 13:40:57,769 INFO L450 AbstractCegarLoop]: Interpolant automaton has 22 states [2018-07-23 13:40:57,769 INFO L132 InterpolantAutomaton]: Constructing interpolant automaton starting with 22 interpolants. [2018-07-23 13:40:57,769 INFO L133 InterpolantAutomaton]: CoverageRelationStatistics Valid=194, Invalid=268, Unknown=0, NotChecked=0, Total=462 [2018-07-23 13:40:57,770 INFO L87 Difference]: Start difference. First operand 41 states and 41 transitions. Second operand 22 states. [2018-07-23 13:40:57,931 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2018-07-23 13:40:57,931 INFO L93 Difference]: Finished difference Result 46 states and 46 transitions. [2018-07-23 13:40:57,931 INFO L142 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 23 states. [2018-07-23 13:40:57,932 INFO L78 Accepts]: Start accepts. Automaton has 22 states. Word has length 40 [2018-07-23 13:40:57,932 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2018-07-23 13:40:57,932 INFO L225 Difference]: With dead ends: 46 [2018-07-23 13:40:57,933 INFO L226 Difference]: Without dead ends: 44 [2018-07-23 13:40:57,934 INFO L575 BasicCegarLoop]: 0 DeclaredPredicates, 41 GetRequests, 1 SyntacticMatches, 0 SemanticMatches, 40 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 223 ImplicationChecksByTransitivity, 0.1s TimeCoverageRelationStatistics Valid=634, Invalid=1088, Unknown=0, NotChecked=0, Total=1722 [2018-07-23 13:40:57,934 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 44 states. [2018-07-23 13:40:57,939 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 44 to 43. [2018-07-23 13:40:57,940 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 43 states. [2018-07-23 13:40:57,940 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 43 states to 43 states and 43 transitions. [2018-07-23 13:40:57,940 INFO L78 Accepts]: Start accepts. Automaton has 43 states and 43 transitions. Word has length 40 [2018-07-23 13:40:57,941 INFO L84 Accepts]: Finished accepts. word is rejected. [2018-07-23 13:40:57,941 INFO L471 AbstractCegarLoop]: Abstraction has 43 states and 43 transitions. [2018-07-23 13:40:57,941 INFO L472 AbstractCegarLoop]: Interpolant automaton has 22 states. [2018-07-23 13:40:57,941 INFO L276 IsEmpty]: Start isEmpty. Operand 43 states and 43 transitions. [2018-07-23 13:40:57,942 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 43 [2018-07-23 13:40:57,942 INFO L349 BasicCegarLoop]: Found error trace [2018-07-23 13:40:57,942 INFO L357 BasicCegarLoop]: trace histogram [20, 19, 1, 1, 1] [2018-07-23 13:40:57,942 INFO L414 AbstractCegarLoop]: === Iteration 20 === [ULTIMATE.startErr0AssertViolationASSERT]=== [2018-07-23 13:40:57,942 INFO L82 PathProgramCache]: Analyzing trace with hash -2079931510, now seen corresponding path program 19 times [2018-07-23 13:40:57,943 INFO L69 tionRefinementEngine]: Using refinement strategy FixedRefinementStrategy [2018-07-23 13:40:57,953 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-07-23 13:40:58,035 INFO L134 CoverageAnalysis]: Checked inductivity of 380 backedges. 0 proven. 380 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2018-07-23 13:40:58,036 INFO L309 seRefinementStrategy]: Constructing automaton from 0 perfect and 1 imperfect interpolant sequences. [2018-07-23 13:40:58,036 INFO L324 seRefinementStrategy]: Number of different interpolants: perfect sequences [] imperfect sequences [22] total 22 [2018-07-23 13:40:58,036 INFO L142 lantAutomatonBuilder]: Constructing canonical interpolant automaton, with selfloop in false state [2018-07-23 13:40:58,037 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2018-07-23 13:40:58,037 INFO L185 omatonBuilderFactory]: Interpolants [2688#true, 2689#false, 2690#(<= ULTIMATE.start_main_~x~4 0), 2691#(<= ULTIMATE.start_main_~x~4 1), 2692#(<= ULTIMATE.start_main_~x~4 2), 2693#(<= ULTIMATE.start_main_~x~4 3), 2694#(<= ULTIMATE.start_main_~x~4 4), 2695#(<= ULTIMATE.start_main_~x~4 5), 2696#(<= ULTIMATE.start_main_~x~4 6), 2697#(<= ULTIMATE.start_main_~x~4 7), 2698#(<= ULTIMATE.start_main_~x~4 8), 2699#(<= ULTIMATE.start_main_~x~4 9), 2700#(<= ULTIMATE.start_main_~x~4 10), 2701#(<= ULTIMATE.start_main_~x~4 11), 2702#(<= ULTIMATE.start_main_~x~4 12), 2703#(<= ULTIMATE.start_main_~x~4 13), 2704#(<= ULTIMATE.start_main_~x~4 14), 2705#(<= ULTIMATE.start_main_~x~4 15), 2706#(<= ULTIMATE.start_main_~x~4 16), 2707#(<= ULTIMATE.start_main_~x~4 17), 2708#(<= ULTIMATE.start_main_~x~4 18), 2709#(and (<= 0 ULTIMATE.start_main_~y~4) (<= ULTIMATE.start_main_~x~4 19)), 2710#(<= 1 ULTIMATE.start_main_~y~4)] [2018-07-23 13:40:58,040 INFO L134 CoverageAnalysis]: Checked inductivity of 380 backedges. 0 proven. 380 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2018-07-23 13:40:58,041 INFO L450 AbstractCegarLoop]: Interpolant automaton has 23 states [2018-07-23 13:40:58,041 INFO L132 InterpolantAutomaton]: Constructing interpolant automaton starting with 23 interpolants. [2018-07-23 13:40:58,042 INFO L133 InterpolantAutomaton]: CoverageRelationStatistics Valid=214, Invalid=292, Unknown=0, NotChecked=0, Total=506 [2018-07-23 13:40:58,042 INFO L87 Difference]: Start difference. First operand 43 states and 43 transitions. Second operand 23 states. [2018-07-23 13:40:58,206 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2018-07-23 13:40:58,207 INFO L93 Difference]: Finished difference Result 48 states and 48 transitions. [2018-07-23 13:40:58,207 INFO L142 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 24 states. [2018-07-23 13:40:58,207 INFO L78 Accepts]: Start accepts. Automaton has 23 states. Word has length 42 [2018-07-23 13:40:58,207 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2018-07-23 13:40:58,208 INFO L225 Difference]: With dead ends: 48 [2018-07-23 13:40:58,208 INFO L226 Difference]: Without dead ends: 46 [2018-07-23 13:40:58,209 INFO L575 BasicCegarLoop]: 0 DeclaredPredicates, 43 GetRequests, 1 SyntacticMatches, 0 SemanticMatches, 42 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 245 ImplicationChecksByTransitivity, 0.1s TimeCoverageRelationStatistics Valid=697, Invalid=1195, Unknown=0, NotChecked=0, Total=1892 [2018-07-23 13:40:58,210 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 46 states. [2018-07-23 13:40:58,223 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 46 to 45. [2018-07-23 13:40:58,223 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 45 states. [2018-07-23 13:40:58,225 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 45 states to 45 states and 45 transitions. [2018-07-23 13:40:58,227 INFO L78 Accepts]: Start accepts. Automaton has 45 states and 45 transitions. Word has length 42 [2018-07-23 13:40:58,227 INFO L84 Accepts]: Finished accepts. word is rejected. [2018-07-23 13:40:58,228 INFO L471 AbstractCegarLoop]: Abstraction has 45 states and 45 transitions. [2018-07-23 13:40:58,228 INFO L472 AbstractCegarLoop]: Interpolant automaton has 23 states. [2018-07-23 13:40:58,228 INFO L276 IsEmpty]: Start isEmpty. Operand 45 states and 45 transitions. [2018-07-23 13:40:58,228 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 45 [2018-07-23 13:40:58,228 INFO L349 BasicCegarLoop]: Found error trace [2018-07-23 13:40:58,229 INFO L357 BasicCegarLoop]: trace histogram [21, 20, 1, 1, 1] [2018-07-23 13:40:58,229 INFO L414 AbstractCegarLoop]: === Iteration 21 === [ULTIMATE.startErr0AssertViolationASSERT]=== [2018-07-23 13:40:58,229 INFO L82 PathProgramCache]: Analyzing trace with hash -1654324688, now seen corresponding path program 20 times [2018-07-23 13:40:58,229 INFO L69 tionRefinementEngine]: Using refinement strategy FixedRefinementStrategy [2018-07-23 13:40:58,242 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-07-23 13:40:58,394 INFO L134 CoverageAnalysis]: Checked inductivity of 420 backedges. 0 proven. 420 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2018-07-23 13:40:58,395 INFO L309 seRefinementStrategy]: Constructing automaton from 0 perfect and 1 imperfect interpolant sequences. [2018-07-23 13:40:58,395 INFO L324 seRefinementStrategy]: Number of different interpolants: perfect sequences [] imperfect sequences [23] total 23 [2018-07-23 13:40:58,395 INFO L142 lantAutomatonBuilder]: Constructing canonical interpolant automaton, with selfloop in false state [2018-07-23 13:40:58,396 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2018-07-23 13:40:58,397 INFO L185 omatonBuilderFactory]: Interpolants [2944#(<= ULTIMATE.start_main_~x~4 3), 2945#(<= ULTIMATE.start_main_~x~4 4), 2946#(<= ULTIMATE.start_main_~x~4 5), 2947#(<= ULTIMATE.start_main_~x~4 6), 2948#(<= ULTIMATE.start_main_~x~4 7), 2949#(<= ULTIMATE.start_main_~x~4 8), 2950#(<= ULTIMATE.start_main_~x~4 9), 2951#(<= ULTIMATE.start_main_~x~4 10), 2952#(<= ULTIMATE.start_main_~x~4 11), 2953#(<= ULTIMATE.start_main_~x~4 12), 2954#(<= ULTIMATE.start_main_~x~4 13), 2955#(<= ULTIMATE.start_main_~x~4 14), 2956#(<= ULTIMATE.start_main_~x~4 15), 2957#(<= ULTIMATE.start_main_~x~4 16), 2958#(<= ULTIMATE.start_main_~x~4 17), 2959#(<= ULTIMATE.start_main_~x~4 18), 2960#(<= ULTIMATE.start_main_~x~4 19), 2961#(and (<= 0 ULTIMATE.start_main_~y~4) (<= ULTIMATE.start_main_~x~4 20)), 2962#(<= 1 ULTIMATE.start_main_~y~4), 2939#true, 2940#false, 2941#(<= ULTIMATE.start_main_~x~4 0), 2942#(<= ULTIMATE.start_main_~x~4 1), 2943#(<= ULTIMATE.start_main_~x~4 2)] [2018-07-23 13:40:58,398 INFO L134 CoverageAnalysis]: Checked inductivity of 420 backedges. 0 proven. 420 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2018-07-23 13:40:58,398 INFO L450 AbstractCegarLoop]: Interpolant automaton has 24 states [2018-07-23 13:40:58,398 INFO L132 InterpolantAutomaton]: Constructing interpolant automaton starting with 24 interpolants. [2018-07-23 13:40:58,399 INFO L133 InterpolantAutomaton]: CoverageRelationStatistics Valid=235, Invalid=317, Unknown=0, NotChecked=0, Total=552 [2018-07-23 13:40:58,399 INFO L87 Difference]: Start difference. First operand 45 states and 45 transitions. Second operand 24 states. [2018-07-23 13:40:58,572 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2018-07-23 13:40:58,572 INFO L93 Difference]: Finished difference Result 50 states and 50 transitions. [2018-07-23 13:40:58,572 INFO L142 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 25 states. [2018-07-23 13:40:58,573 INFO L78 Accepts]: Start accepts. Automaton has 24 states. Word has length 44 [2018-07-23 13:40:58,573 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2018-07-23 13:40:58,574 INFO L225 Difference]: With dead ends: 50 [2018-07-23 13:40:58,574 INFO L226 Difference]: Without dead ends: 48 [2018-07-23 13:40:58,576 INFO L575 BasicCegarLoop]: 0 DeclaredPredicates, 45 GetRequests, 1 SyntacticMatches, 0 SemanticMatches, 44 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 268 ImplicationChecksByTransitivity, 0.2s TimeCoverageRelationStatistics Valid=763, Invalid=1307, Unknown=0, NotChecked=0, Total=2070 [2018-07-23 13:40:58,576 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 48 states. [2018-07-23 13:40:58,581 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 48 to 47. [2018-07-23 13:40:58,581 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 47 states. [2018-07-23 13:40:58,582 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 47 states to 47 states and 47 transitions. [2018-07-23 13:40:58,582 INFO L78 Accepts]: Start accepts. Automaton has 47 states and 47 transitions. Word has length 44 [2018-07-23 13:40:58,582 INFO L84 Accepts]: Finished accepts. word is rejected. [2018-07-23 13:40:58,582 INFO L471 AbstractCegarLoop]: Abstraction has 47 states and 47 transitions. [2018-07-23 13:40:58,582 INFO L472 AbstractCegarLoop]: Interpolant automaton has 24 states. [2018-07-23 13:40:58,582 INFO L276 IsEmpty]: Start isEmpty. Operand 47 states and 47 transitions. [2018-07-23 13:40:58,583 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 47 [2018-07-23 13:40:58,583 INFO L349 BasicCegarLoop]: Found error trace [2018-07-23 13:40:58,583 INFO L357 BasicCegarLoop]: trace histogram [22, 21, 1, 1, 1] [2018-07-23 13:40:58,584 INFO L414 AbstractCegarLoop]: === Iteration 22 === [ULTIMATE.startErr0AssertViolationASSERT]=== [2018-07-23 13:40:58,584 INFO L82 PathProgramCache]: Analyzing trace with hash -668061866, now seen corresponding path program 21 times [2018-07-23 13:40:58,584 INFO L69 tionRefinementEngine]: Using refinement strategy FixedRefinementStrategy [2018-07-23 13:40:58,596 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-07-23 13:40:58,671 INFO L134 CoverageAnalysis]: Checked inductivity of 462 backedges. 0 proven. 462 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2018-07-23 13:40:58,671 INFO L309 seRefinementStrategy]: Constructing automaton from 0 perfect and 1 imperfect interpolant sequences. [2018-07-23 13:40:58,672 INFO L324 seRefinementStrategy]: Number of different interpolants: perfect sequences [] imperfect sequences [24] total 24 [2018-07-23 13:40:58,672 INFO L142 lantAutomatonBuilder]: Constructing canonical interpolant automaton, with selfloop in false state [2018-07-23 13:40:58,672 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2018-07-23 13:40:58,673 INFO L185 omatonBuilderFactory]: Interpolants [3201#true, 3202#false, 3203#(<= ULTIMATE.start_main_~x~4 0), 3204#(<= ULTIMATE.start_main_~x~4 1), 3205#(<= ULTIMATE.start_main_~x~4 2), 3206#(<= ULTIMATE.start_main_~x~4 3), 3207#(<= ULTIMATE.start_main_~x~4 4), 3208#(<= ULTIMATE.start_main_~x~4 5), 3209#(<= ULTIMATE.start_main_~x~4 6), 3210#(<= ULTIMATE.start_main_~x~4 7), 3211#(<= ULTIMATE.start_main_~x~4 8), 3212#(<= ULTIMATE.start_main_~x~4 9), 3213#(<= ULTIMATE.start_main_~x~4 10), 3214#(<= ULTIMATE.start_main_~x~4 11), 3215#(<= ULTIMATE.start_main_~x~4 12), 3216#(<= ULTIMATE.start_main_~x~4 13), 3217#(<= ULTIMATE.start_main_~x~4 14), 3218#(<= ULTIMATE.start_main_~x~4 15), 3219#(<= ULTIMATE.start_main_~x~4 16), 3220#(<= ULTIMATE.start_main_~x~4 17), 3221#(<= ULTIMATE.start_main_~x~4 18), 3222#(<= ULTIMATE.start_main_~x~4 19), 3223#(<= ULTIMATE.start_main_~x~4 20), 3224#(and (<= ULTIMATE.start_main_~x~4 21) (<= 0 ULTIMATE.start_main_~y~4)), 3225#(<= 1 ULTIMATE.start_main_~y~4)] [2018-07-23 13:40:58,673 INFO L134 CoverageAnalysis]: Checked inductivity of 462 backedges. 0 proven. 462 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2018-07-23 13:40:58,674 INFO L450 AbstractCegarLoop]: Interpolant automaton has 25 states [2018-07-23 13:40:58,674 INFO L132 InterpolantAutomaton]: Constructing interpolant automaton starting with 25 interpolants. [2018-07-23 13:40:58,675 INFO L133 InterpolantAutomaton]: CoverageRelationStatistics Valid=257, Invalid=343, Unknown=0, NotChecked=0, Total=600 [2018-07-23 13:40:58,675 INFO L87 Difference]: Start difference. First operand 47 states and 47 transitions. Second operand 25 states. [2018-07-23 13:40:58,833 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2018-07-23 13:40:58,833 INFO L93 Difference]: Finished difference Result 52 states and 52 transitions. [2018-07-23 13:40:58,834 INFO L142 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 26 states. [2018-07-23 13:40:58,834 INFO L78 Accepts]: Start accepts. Automaton has 25 states. Word has length 46 [2018-07-23 13:40:58,834 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2018-07-23 13:40:58,836 INFO L225 Difference]: With dead ends: 52 [2018-07-23 13:40:58,836 INFO L226 Difference]: Without dead ends: 50 [2018-07-23 13:40:58,840 INFO L575 BasicCegarLoop]: 0 DeclaredPredicates, 47 GetRequests, 1 SyntacticMatches, 0 SemanticMatches, 46 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 292 ImplicationChecksByTransitivity, 0.1s TimeCoverageRelationStatistics Valid=832, Invalid=1424, Unknown=0, NotChecked=0, Total=2256 [2018-07-23 13:40:58,840 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 50 states. [2018-07-23 13:40:58,846 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 50 to 49. [2018-07-23 13:40:58,847 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 49 states. [2018-07-23 13:40:58,847 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 49 states to 49 states and 49 transitions. [2018-07-23 13:40:58,847 INFO L78 Accepts]: Start accepts. Automaton has 49 states and 49 transitions. Word has length 46 [2018-07-23 13:40:58,848 INFO L84 Accepts]: Finished accepts. word is rejected. [2018-07-23 13:40:58,848 INFO L471 AbstractCegarLoop]: Abstraction has 49 states and 49 transitions. [2018-07-23 13:40:58,848 INFO L472 AbstractCegarLoop]: Interpolant automaton has 25 states. [2018-07-23 13:40:58,848 INFO L276 IsEmpty]: Start isEmpty. Operand 49 states and 49 transitions. [2018-07-23 13:40:58,848 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 49 [2018-07-23 13:40:58,848 INFO L349 BasicCegarLoop]: Found error trace [2018-07-23 13:40:58,849 INFO L357 BasicCegarLoop]: trace histogram [23, 22, 1, 1, 1] [2018-07-23 13:40:58,849 INFO L414 AbstractCegarLoop]: === Iteration 23 === [ULTIMATE.startErr0AssertViolationASSERT]=== [2018-07-23 13:40:58,849 INFO L82 PathProgramCache]: Analyzing trace with hash -2057262340, now seen corresponding path program 22 times [2018-07-23 13:40:58,849 INFO L69 tionRefinementEngine]: Using refinement strategy FixedRefinementStrategy [2018-07-23 13:40:58,858 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-07-23 13:40:58,938 INFO L134 CoverageAnalysis]: Checked inductivity of 506 backedges. 0 proven. 506 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2018-07-23 13:40:58,938 INFO L309 seRefinementStrategy]: Constructing automaton from 0 perfect and 1 imperfect interpolant sequences. [2018-07-23 13:40:58,938 INFO L324 seRefinementStrategy]: Number of different interpolants: perfect sequences [] imperfect sequences [25] total 25 [2018-07-23 13:40:58,939 INFO L142 lantAutomatonBuilder]: Constructing canonical interpolant automaton, with selfloop in false state [2018-07-23 13:40:58,939 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2018-07-23 13:40:58,939 INFO L185 omatonBuilderFactory]: Interpolants [3474#true, 3475#false, 3476#(<= ULTIMATE.start_main_~x~4 0), 3477#(<= ULTIMATE.start_main_~x~4 1), 3478#(<= ULTIMATE.start_main_~x~4 2), 3479#(<= ULTIMATE.start_main_~x~4 3), 3480#(<= ULTIMATE.start_main_~x~4 4), 3481#(<= ULTIMATE.start_main_~x~4 5), 3482#(<= ULTIMATE.start_main_~x~4 6), 3483#(<= ULTIMATE.start_main_~x~4 7), 3484#(<= ULTIMATE.start_main_~x~4 8), 3485#(<= ULTIMATE.start_main_~x~4 9), 3486#(<= ULTIMATE.start_main_~x~4 10), 3487#(<= ULTIMATE.start_main_~x~4 11), 3488#(<= ULTIMATE.start_main_~x~4 12), 3489#(<= ULTIMATE.start_main_~x~4 13), 3490#(<= ULTIMATE.start_main_~x~4 14), 3491#(<= ULTIMATE.start_main_~x~4 15), 3492#(<= ULTIMATE.start_main_~x~4 16), 3493#(<= ULTIMATE.start_main_~x~4 17), 3494#(<= ULTIMATE.start_main_~x~4 18), 3495#(<= ULTIMATE.start_main_~x~4 19), 3496#(<= ULTIMATE.start_main_~x~4 20), 3497#(<= ULTIMATE.start_main_~x~4 21), 3498#(and (<= 0 ULTIMATE.start_main_~y~4) (<= ULTIMATE.start_main_~x~4 22)), 3499#(<= 1 ULTIMATE.start_main_~y~4)] [2018-07-23 13:40:58,940 INFO L134 CoverageAnalysis]: Checked inductivity of 506 backedges. 0 proven. 506 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2018-07-23 13:40:58,943 INFO L450 AbstractCegarLoop]: Interpolant automaton has 26 states [2018-07-23 13:40:58,944 INFO L132 InterpolantAutomaton]: Constructing interpolant automaton starting with 26 interpolants. [2018-07-23 13:40:58,944 INFO L133 InterpolantAutomaton]: CoverageRelationStatistics Valid=280, Invalid=370, Unknown=0, NotChecked=0, Total=650 [2018-07-23 13:40:58,944 INFO L87 Difference]: Start difference. First operand 49 states and 49 transitions. Second operand 26 states. [2018-07-23 13:40:59,115 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2018-07-23 13:40:59,116 INFO L93 Difference]: Finished difference Result 54 states and 54 transitions. [2018-07-23 13:40:59,116 INFO L142 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 27 states. [2018-07-23 13:40:59,116 INFO L78 Accepts]: Start accepts. Automaton has 26 states. Word has length 48 [2018-07-23 13:40:59,116 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2018-07-23 13:40:59,117 INFO L225 Difference]: With dead ends: 54 [2018-07-23 13:40:59,117 INFO L226 Difference]: Without dead ends: 52 [2018-07-23 13:40:59,119 INFO L575 BasicCegarLoop]: 0 DeclaredPredicates, 49 GetRequests, 1 SyntacticMatches, 0 SemanticMatches, 48 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 317 ImplicationChecksByTransitivity, 0.1s TimeCoverageRelationStatistics Valid=904, Invalid=1546, Unknown=0, NotChecked=0, Total=2450 [2018-07-23 13:40:59,119 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 52 states. [2018-07-23 13:40:59,127 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 52 to 51. [2018-07-23 13:40:59,127 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 51 states. [2018-07-23 13:40:59,128 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 51 states to 51 states and 51 transitions. [2018-07-23 13:40:59,128 INFO L78 Accepts]: Start accepts. Automaton has 51 states and 51 transitions. Word has length 48 [2018-07-23 13:40:59,132 INFO L84 Accepts]: Finished accepts. word is rejected. [2018-07-23 13:40:59,132 INFO L471 AbstractCegarLoop]: Abstraction has 51 states and 51 transitions. [2018-07-23 13:40:59,133 INFO L472 AbstractCegarLoop]: Interpolant automaton has 26 states. [2018-07-23 13:40:59,133 INFO L276 IsEmpty]: Start isEmpty. Operand 51 states and 51 transitions. [2018-07-23 13:40:59,133 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 51 [2018-07-23 13:40:59,133 INFO L349 BasicCegarLoop]: Found error trace [2018-07-23 13:40:59,133 INFO L357 BasicCegarLoop]: trace histogram [24, 23, 1, 1, 1] [2018-07-23 13:40:59,134 INFO L414 AbstractCegarLoop]: === Iteration 24 === [ULTIMATE.startErr0AssertViolationASSERT]=== [2018-07-23 13:40:59,134 INFO L82 PathProgramCache]: Analyzing trace with hash -1344088798, now seen corresponding path program 23 times [2018-07-23 13:40:59,134 INFO L69 tionRefinementEngine]: Using refinement strategy FixedRefinementStrategy [2018-07-23 13:40:59,144 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-07-23 13:40:59,227 INFO L134 CoverageAnalysis]: Checked inductivity of 552 backedges. 0 proven. 552 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2018-07-23 13:40:59,227 INFO L309 seRefinementStrategy]: Constructing automaton from 0 perfect and 1 imperfect interpolant sequences. [2018-07-23 13:40:59,227 INFO L324 seRefinementStrategy]: Number of different interpolants: perfect sequences [] imperfect sequences [26] total 26 [2018-07-23 13:40:59,228 INFO L142 lantAutomatonBuilder]: Constructing canonical interpolant automaton, with selfloop in false state [2018-07-23 13:40:59,228 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 13:40:59,228 INFO L185 omatonBuilderFactory]: Interpolants [3776#(<= ULTIMATE.start_main_~x~4 16), 3777#(<= ULTIMATE.start_main_~x~4 17), 3778#(<= ULTIMATE.start_main_~x~4 18), 3779#(<= ULTIMATE.start_main_~x~4 19), 3780#(<= ULTIMATE.start_main_~x~4 20), 3781#(<= ULTIMATE.start_main_~x~4 21), 3782#(<= ULTIMATE.start_main_~x~4 22), 3783#(and (<= ULTIMATE.start_main_~x~4 23) (<= 0 ULTIMATE.start_main_~y~4)), 3784#(<= 1 ULTIMATE.start_main_~y~4), 3758#true, 3759#false, 3760#(<= ULTIMATE.start_main_~x~4 0), 3761#(<= ULTIMATE.start_main_~x~4 1), 3762#(<= ULTIMATE.start_main_~x~4 2), 3763#(<= ULTIMATE.start_main_~x~4 3), 3764#(<= ULTIMATE.start_main_~x~4 4), 3765#(<= ULTIMATE.start_main_~x~4 5), 3766#(<= ULTIMATE.start_main_~x~4 6), 3767#(<= ULTIMATE.start_main_~x~4 7), 3768#(<= ULTIMATE.start_main_~x~4 8), 3769#(<= ULTIMATE.start_main_~x~4 9), 3770#(<= ULTIMATE.start_main_~x~4 10), 3771#(<= ULTIMATE.start_main_~x~4 11), 3772#(<= ULTIMATE.start_main_~x~4 12), 3773#(<= ULTIMATE.start_main_~x~4 13), 3774#(<= ULTIMATE.start_main_~x~4 14), 3775#(<= ULTIMATE.start_main_~x~4 15)] [2018-07-23 13:40:59,229 INFO L134 CoverageAnalysis]: Checked inductivity of 552 backedges. 0 proven. 552 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2018-07-23 13:40:59,229 INFO L450 AbstractCegarLoop]: Interpolant automaton has 27 states [2018-07-23 13:40:59,230 INFO L132 InterpolantAutomaton]: Constructing interpolant automaton starting with 27 interpolants. [2018-07-23 13:40:59,230 INFO L133 InterpolantAutomaton]: CoverageRelationStatistics Valid=304, Invalid=398, Unknown=0, NotChecked=0, Total=702 [2018-07-23 13:40:59,230 INFO L87 Difference]: Start difference. First operand 51 states and 51 transitions. Second operand 27 states. [2018-07-23 13:40:59,418 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2018-07-23 13:40:59,419 INFO L93 Difference]: Finished difference Result 56 states and 56 transitions. [2018-07-23 13:40:59,419 INFO L142 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 28 states. [2018-07-23 13:40:59,419 INFO L78 Accepts]: Start accepts. Automaton has 27 states. Word has length 50 [2018-07-23 13:40:59,419 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2018-07-23 13:40:59,420 INFO L225 Difference]: With dead ends: 56 [2018-07-23 13:40:59,420 INFO L226 Difference]: Without dead ends: 54 [2018-07-23 13:40:59,422 INFO L575 BasicCegarLoop]: 0 DeclaredPredicates, 51 GetRequests, 1 SyntacticMatches, 0 SemanticMatches, 50 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 343 ImplicationChecksByTransitivity, 0.1s TimeCoverageRelationStatistics Valid=979, Invalid=1673, Unknown=0, NotChecked=0, Total=2652 [2018-07-23 13:40:59,422 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 54 states. [2018-07-23 13:40:59,426 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 54 to 53. [2018-07-23 13:40:59,427 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 53 states. [2018-07-23 13:40:59,427 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 53 states to 53 states and 53 transitions. [2018-07-23 13:40:59,427 INFO L78 Accepts]: Start accepts. Automaton has 53 states and 53 transitions. Word has length 50 [2018-07-23 13:40:59,427 INFO L84 Accepts]: Finished accepts. word is rejected. [2018-07-23 13:40:59,428 INFO L471 AbstractCegarLoop]: Abstraction has 53 states and 53 transitions. [2018-07-23 13:40:59,428 INFO L472 AbstractCegarLoop]: Interpolant automaton has 27 states. [2018-07-23 13:40:59,428 INFO L276 IsEmpty]: Start isEmpty. Operand 53 states and 53 transitions. [2018-07-23 13:40:59,428 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 53 [2018-07-23 13:40:59,428 INFO L349 BasicCegarLoop]: Found error trace [2018-07-23 13:40:59,428 INFO L357 BasicCegarLoop]: trace histogram [25, 24, 1, 1, 1] [2018-07-23 13:40:59,429 INFO L414 AbstractCegarLoop]: === Iteration 25 === [ULTIMATE.startErr0AssertViolationASSERT]=== [2018-07-23 13:40:59,429 INFO L82 PathProgramCache]: Analyzing trace with hash 1115885000, now seen corresponding path program 24 times [2018-07-23 13:40:59,429 INFO L69 tionRefinementEngine]: Using refinement strategy FixedRefinementStrategy [2018-07-23 13:40:59,440 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-07-23 13:40:59,528 INFO L134 CoverageAnalysis]: Checked inductivity of 600 backedges. 0 proven. 600 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2018-07-23 13:40:59,528 INFO L309 seRefinementStrategy]: Constructing automaton from 0 perfect and 1 imperfect interpolant sequences. [2018-07-23 13:40:59,528 INFO L324 seRefinementStrategy]: Number of different interpolants: perfect sequences [] imperfect sequences [27] total 27 [2018-07-23 13:40:59,528 INFO L142 lantAutomatonBuilder]: Constructing canonical interpolant automaton, with selfloop in false state [2018-07-23 13:40:59,529 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2018-07-23 13:40:59,529 INFO L185 omatonBuilderFactory]: Interpolants [4053#true, 4054#false, 4055#(<= ULTIMATE.start_main_~x~4 0), 4056#(<= ULTIMATE.start_main_~x~4 1), 4057#(<= ULTIMATE.start_main_~x~4 2), 4058#(<= ULTIMATE.start_main_~x~4 3), 4059#(<= ULTIMATE.start_main_~x~4 4), 4060#(<= ULTIMATE.start_main_~x~4 5), 4061#(<= ULTIMATE.start_main_~x~4 6), 4062#(<= ULTIMATE.start_main_~x~4 7), 4063#(<= ULTIMATE.start_main_~x~4 8), 4064#(<= ULTIMATE.start_main_~x~4 9), 4065#(<= ULTIMATE.start_main_~x~4 10), 4066#(<= ULTIMATE.start_main_~x~4 11), 4067#(<= ULTIMATE.start_main_~x~4 12), 4068#(<= ULTIMATE.start_main_~x~4 13), 4069#(<= ULTIMATE.start_main_~x~4 14), 4070#(<= ULTIMATE.start_main_~x~4 15), 4071#(<= ULTIMATE.start_main_~x~4 16), 4072#(<= ULTIMATE.start_main_~x~4 17), 4073#(<= ULTIMATE.start_main_~x~4 18), 4074#(<= ULTIMATE.start_main_~x~4 19), 4075#(<= ULTIMATE.start_main_~x~4 20), 4076#(<= ULTIMATE.start_main_~x~4 21), 4077#(<= ULTIMATE.start_main_~x~4 22), 4078#(<= ULTIMATE.start_main_~x~4 23), 4079#(and (<= 0 ULTIMATE.start_main_~y~4) (<= ULTIMATE.start_main_~x~4 24)), 4080#(<= 1 ULTIMATE.start_main_~y~4)] [2018-07-23 13:40:59,530 INFO L134 CoverageAnalysis]: Checked inductivity of 600 backedges. 0 proven. 600 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2018-07-23 13:40:59,530 INFO L450 AbstractCegarLoop]: Interpolant automaton has 28 states [2018-07-23 13:40:59,532 INFO L132 InterpolantAutomaton]: Constructing interpolant automaton starting with 28 interpolants. [2018-07-23 13:40:59,533 INFO L133 InterpolantAutomaton]: CoverageRelationStatistics Valid=329, Invalid=427, Unknown=0, NotChecked=0, Total=756 [2018-07-23 13:40:59,533 INFO L87 Difference]: Start difference. First operand 53 states and 53 transitions. Second operand 28 states. [2018-07-23 13:40:59,728 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2018-07-23 13:40:59,729 INFO L93 Difference]: Finished difference Result 58 states and 58 transitions. [2018-07-23 13:40:59,729 INFO L142 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 29 states. [2018-07-23 13:40:59,729 INFO L78 Accepts]: Start accepts. Automaton has 28 states. Word has length 52 [2018-07-23 13:40:59,729 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2018-07-23 13:40:59,730 INFO L225 Difference]: With dead ends: 58 [2018-07-23 13:40:59,730 INFO L226 Difference]: Without dead ends: 56 [2018-07-23 13:40:59,731 INFO L575 BasicCegarLoop]: 0 DeclaredPredicates, 53 GetRequests, 1 SyntacticMatches, 0 SemanticMatches, 52 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 370 ImplicationChecksByTransitivity, 0.2s TimeCoverageRelationStatistics Valid=1057, Invalid=1805, Unknown=0, NotChecked=0, Total=2862 [2018-07-23 13:40:59,732 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 56 states. [2018-07-23 13:40:59,741 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 56 to 55. [2018-07-23 13:40:59,742 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 55 states. [2018-07-23 13:40:59,742 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 55 states to 55 states and 55 transitions. [2018-07-23 13:40:59,742 INFO L78 Accepts]: Start accepts. Automaton has 55 states and 55 transitions. Word has length 52 [2018-07-23 13:40:59,742 INFO L84 Accepts]: Finished accepts. word is rejected. [2018-07-23 13:40:59,742 INFO L471 AbstractCegarLoop]: Abstraction has 55 states and 55 transitions. [2018-07-23 13:40:59,743 INFO L472 AbstractCegarLoop]: Interpolant automaton has 28 states. [2018-07-23 13:40:59,743 INFO L276 IsEmpty]: Start isEmpty. Operand 55 states and 55 transitions. [2018-07-23 13:40:59,743 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 55 [2018-07-23 13:40:59,743 INFO L349 BasicCegarLoop]: Found error trace [2018-07-23 13:40:59,743 INFO L357 BasicCegarLoop]: trace histogram [26, 25, 1, 1, 1] [2018-07-23 13:40:59,743 INFO L414 AbstractCegarLoop]: === Iteration 26 === [ULTIMATE.startErr0AssertViolationASSERT]=== [2018-07-23 13:40:59,744 INFO L82 PathProgramCache]: Analyzing trace with hash -1376275218, now seen corresponding path program 25 times [2018-07-23 13:40:59,744 INFO L69 tionRefinementEngine]: Using refinement strategy FixedRefinementStrategy [2018-07-23 13:40:59,753 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-07-23 13:40:59,851 INFO L134 CoverageAnalysis]: Checked inductivity of 650 backedges. 0 proven. 650 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2018-07-23 13:40:59,851 INFO L309 seRefinementStrategy]: Constructing automaton from 0 perfect and 1 imperfect interpolant sequences. [2018-07-23 13:40:59,852 INFO L324 seRefinementStrategy]: Number of different interpolants: perfect sequences [] imperfect sequences [28] total 28 [2018-07-23 13:40:59,852 INFO L142 lantAutomatonBuilder]: Constructing canonical interpolant automaton, with selfloop in false state [2018-07-23 13:40:59,852 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2018-07-23 13:40:59,853 INFO L185 omatonBuilderFactory]: Interpolants [4359#true, 4360#false, 4361#(<= ULTIMATE.start_main_~x~4 0), 4362#(<= ULTIMATE.start_main_~x~4 1), 4363#(<= ULTIMATE.start_main_~x~4 2), 4364#(<= ULTIMATE.start_main_~x~4 3), 4365#(<= ULTIMATE.start_main_~x~4 4), 4366#(<= ULTIMATE.start_main_~x~4 5), 4367#(<= ULTIMATE.start_main_~x~4 6), 4368#(<= ULTIMATE.start_main_~x~4 7), 4369#(<= ULTIMATE.start_main_~x~4 8), 4370#(<= ULTIMATE.start_main_~x~4 9), 4371#(<= ULTIMATE.start_main_~x~4 10), 4372#(<= ULTIMATE.start_main_~x~4 11), 4373#(<= ULTIMATE.start_main_~x~4 12), 4374#(<= ULTIMATE.start_main_~x~4 13), 4375#(<= ULTIMATE.start_main_~x~4 14), 4376#(<= ULTIMATE.start_main_~x~4 15), 4377#(<= ULTIMATE.start_main_~x~4 16), 4378#(<= ULTIMATE.start_main_~x~4 17), 4379#(<= ULTIMATE.start_main_~x~4 18), 4380#(<= ULTIMATE.start_main_~x~4 19), 4381#(<= ULTIMATE.start_main_~x~4 20), 4382#(<= ULTIMATE.start_main_~x~4 21), 4383#(<= ULTIMATE.start_main_~x~4 22), 4384#(<= ULTIMATE.start_main_~x~4 23), 4385#(<= ULTIMATE.start_main_~x~4 24), 4386#(and (<= 0 ULTIMATE.start_main_~y~4) (<= ULTIMATE.start_main_~x~4 25)), 4387#(<= 1 ULTIMATE.start_main_~y~4)] [2018-07-23 13:40:59,853 INFO L134 CoverageAnalysis]: Checked inductivity of 650 backedges. 0 proven. 650 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2018-07-23 13:40:59,854 INFO L450 AbstractCegarLoop]: Interpolant automaton has 29 states [2018-07-23 13:40:59,854 INFO L132 InterpolantAutomaton]: Constructing interpolant automaton starting with 29 interpolants. [2018-07-23 13:40:59,854 INFO L133 InterpolantAutomaton]: CoverageRelationStatistics Valid=355, Invalid=457, Unknown=0, NotChecked=0, Total=812 [2018-07-23 13:40:59,855 INFO L87 Difference]: Start difference. First operand 55 states and 55 transitions. Second operand 29 states. [2018-07-23 13:41:00,048 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2018-07-23 13:41:00,049 INFO L93 Difference]: Finished difference Result 60 states and 60 transitions. [2018-07-23 13:41:00,049 INFO L142 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 30 states. [2018-07-23 13:41:00,049 INFO L78 Accepts]: Start accepts. Automaton has 29 states. Word has length 54 [2018-07-23 13:41:00,049 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2018-07-23 13:41:00,050 INFO L225 Difference]: With dead ends: 60 [2018-07-23 13:41:00,050 INFO L226 Difference]: Without dead ends: 58 [2018-07-23 13:41:00,052 INFO L575 BasicCegarLoop]: 0 DeclaredPredicates, 55 GetRequests, 1 SyntacticMatches, 0 SemanticMatches, 54 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 398 ImplicationChecksByTransitivity, 0.2s TimeCoverageRelationStatistics Valid=1138, Invalid=1942, Unknown=0, NotChecked=0, Total=3080 [2018-07-23 13:41:00,052 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 58 states. [2018-07-23 13:41:00,057 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 58 to 57. [2018-07-23 13:41:00,057 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 57 states. [2018-07-23 13:41:00,058 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 57 states to 57 states and 57 transitions. [2018-07-23 13:41:00,058 INFO L78 Accepts]: Start accepts. Automaton has 57 states and 57 transitions. Word has length 54 [2018-07-23 13:41:00,058 INFO L84 Accepts]: Finished accepts. word is rejected. [2018-07-23 13:41:00,058 INFO L471 AbstractCegarLoop]: Abstraction has 57 states and 57 transitions. [2018-07-23 13:41:00,058 INFO L472 AbstractCegarLoop]: Interpolant automaton has 29 states. [2018-07-23 13:41:00,058 INFO L276 IsEmpty]: Start isEmpty. Operand 57 states and 57 transitions. [2018-07-23 13:41:00,059 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 57 [2018-07-23 13:41:00,059 INFO L349 BasicCegarLoop]: Found error trace [2018-07-23 13:41:00,059 INFO L357 BasicCegarLoop]: trace histogram [27, 26, 1, 1, 1] [2018-07-23 13:41:00,059 INFO L414 AbstractCegarLoop]: === Iteration 27 === [ULTIMATE.startErr0AssertViolationASSERT]=== [2018-07-23 13:41:00,060 INFO L82 PathProgramCache]: Analyzing trace with hash 249506452, now seen corresponding path program 26 times [2018-07-23 13:41:00,060 INFO L69 tionRefinementEngine]: Using refinement strategy FixedRefinementStrategy [2018-07-23 13:41:00,072 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-07-23 13:41:00,167 INFO L134 CoverageAnalysis]: Checked inductivity of 702 backedges. 0 proven. 702 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2018-07-23 13:41:00,168 INFO L309 seRefinementStrategy]: Constructing automaton from 0 perfect and 1 imperfect interpolant sequences. [2018-07-23 13:41:00,168 INFO L324 seRefinementStrategy]: Number of different interpolants: perfect sequences [] imperfect sequences [29] total 29 [2018-07-23 13:41:00,168 INFO L142 lantAutomatonBuilder]: Constructing canonical interpolant automaton, with selfloop in false state [2018-07-23 13:41:00,168 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 13:41:00,169 INFO L185 omatonBuilderFactory]: Interpolants [4676#true, 4677#false, 4678#(<= ULTIMATE.start_main_~x~4 0), 4679#(<= ULTIMATE.start_main_~x~4 1), 4680#(<= ULTIMATE.start_main_~x~4 2), 4681#(<= ULTIMATE.start_main_~x~4 3), 4682#(<= ULTIMATE.start_main_~x~4 4), 4683#(<= ULTIMATE.start_main_~x~4 5), 4684#(<= ULTIMATE.start_main_~x~4 6), 4685#(<= ULTIMATE.start_main_~x~4 7), 4686#(<= ULTIMATE.start_main_~x~4 8), 4687#(<= ULTIMATE.start_main_~x~4 9), 4688#(<= ULTIMATE.start_main_~x~4 10), 4689#(<= ULTIMATE.start_main_~x~4 11), 4690#(<= ULTIMATE.start_main_~x~4 12), 4691#(<= ULTIMATE.start_main_~x~4 13), 4692#(<= ULTIMATE.start_main_~x~4 14), 4693#(<= ULTIMATE.start_main_~x~4 15), 4694#(<= ULTIMATE.start_main_~x~4 16), 4695#(<= ULTIMATE.start_main_~x~4 17), 4696#(<= ULTIMATE.start_main_~x~4 18), 4697#(<= ULTIMATE.start_main_~x~4 19), 4698#(<= ULTIMATE.start_main_~x~4 20), 4699#(<= ULTIMATE.start_main_~x~4 21), 4700#(<= ULTIMATE.start_main_~x~4 22), 4701#(<= ULTIMATE.start_main_~x~4 23), 4702#(<= ULTIMATE.start_main_~x~4 24), 4703#(<= ULTIMATE.start_main_~x~4 25), 4704#(and (<= ULTIMATE.start_main_~x~4 26) (<= 0 ULTIMATE.start_main_~y~4)), 4705#(<= 1 ULTIMATE.start_main_~y~4)] [2018-07-23 13:41:00,169 INFO L134 CoverageAnalysis]: Checked inductivity of 702 backedges. 0 proven. 702 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2018-07-23 13:41:00,170 INFO L450 AbstractCegarLoop]: Interpolant automaton has 30 states [2018-07-23 13:41:00,170 INFO L132 InterpolantAutomaton]: Constructing interpolant automaton starting with 30 interpolants. [2018-07-23 13:41:00,171 INFO L133 InterpolantAutomaton]: CoverageRelationStatistics Valid=382, Invalid=488, Unknown=0, NotChecked=0, Total=870 [2018-07-23 13:41:00,171 INFO L87 Difference]: Start difference. First operand 57 states and 57 transitions. Second operand 30 states. [2018-07-23 13:41:00,380 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2018-07-23 13:41:00,380 INFO L93 Difference]: Finished difference Result 62 states and 62 transitions. [2018-07-23 13:41:00,380 INFO L142 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 31 states. [2018-07-23 13:41:00,380 INFO L78 Accepts]: Start accepts. Automaton has 30 states. Word has length 56 [2018-07-23 13:41:00,381 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2018-07-23 13:41:00,381 INFO L225 Difference]: With dead ends: 62 [2018-07-23 13:41:00,381 INFO L226 Difference]: Without dead ends: 60 [2018-07-23 13:41:00,384 INFO L575 BasicCegarLoop]: 0 DeclaredPredicates, 57 GetRequests, 1 SyntacticMatches, 0 SemanticMatches, 56 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 427 ImplicationChecksByTransitivity, 0.2s TimeCoverageRelationStatistics Valid=1222, Invalid=2084, Unknown=0, NotChecked=0, Total=3306 [2018-07-23 13:41:00,384 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 60 states. [2018-07-23 13:41:00,388 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 60 to 59. [2018-07-23 13:41:00,389 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 59 states. [2018-07-23 13:41:00,389 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 59 states to 59 states and 59 transitions. [2018-07-23 13:41:00,389 INFO L78 Accepts]: Start accepts. Automaton has 59 states and 59 transitions. Word has length 56 [2018-07-23 13:41:00,389 INFO L84 Accepts]: Finished accepts. word is rejected. [2018-07-23 13:41:00,389 INFO L471 AbstractCegarLoop]: Abstraction has 59 states and 59 transitions. [2018-07-23 13:41:00,390 INFO L472 AbstractCegarLoop]: Interpolant automaton has 30 states. [2018-07-23 13:41:00,390 INFO L276 IsEmpty]: Start isEmpty. Operand 59 states and 59 transitions. [2018-07-23 13:41:00,390 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 59 [2018-07-23 13:41:00,390 INFO L349 BasicCegarLoop]: Found error trace [2018-07-23 13:41:00,394 INFO L357 BasicCegarLoop]: trace histogram [28, 27, 1, 1, 1] [2018-07-23 13:41:00,395 INFO L414 AbstractCegarLoop]: === Iteration 28 === [ULTIMATE.startErr0AssertViolationASSERT]=== [2018-07-23 13:41:00,395 INFO L82 PathProgramCache]: Analyzing trace with hash -742404422, now seen corresponding path program 27 times [2018-07-23 13:41:00,395 INFO L69 tionRefinementEngine]: Using refinement strategy FixedRefinementStrategy [2018-07-23 13:41:00,406 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-07-23 13:41:00,506 INFO L134 CoverageAnalysis]: Checked inductivity of 756 backedges. 0 proven. 756 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2018-07-23 13:41:00,506 INFO L309 seRefinementStrategy]: Constructing automaton from 0 perfect and 1 imperfect interpolant sequences. [2018-07-23 13:41:00,507 INFO L324 seRefinementStrategy]: Number of different interpolants: perfect sequences [] imperfect sequences [30] total 30 [2018-07-23 13:41:00,507 INFO L142 lantAutomatonBuilder]: Constructing canonical interpolant automaton, with selfloop in false state [2018-07-23 13:41:00,507 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2018-07-23 13:41:00,508 INFO L185 omatonBuilderFactory]: Interpolants [5004#true, 5005#false, 5006#(<= ULTIMATE.start_main_~x~4 0), 5007#(<= ULTIMATE.start_main_~x~4 1), 5008#(<= ULTIMATE.start_main_~x~4 2), 5009#(<= ULTIMATE.start_main_~x~4 3), 5010#(<= ULTIMATE.start_main_~x~4 4), 5011#(<= ULTIMATE.start_main_~x~4 5), 5012#(<= ULTIMATE.start_main_~x~4 6), 5013#(<= ULTIMATE.start_main_~x~4 7), 5014#(<= ULTIMATE.start_main_~x~4 8), 5015#(<= ULTIMATE.start_main_~x~4 9), 5016#(<= ULTIMATE.start_main_~x~4 10), 5017#(<= ULTIMATE.start_main_~x~4 11), 5018#(<= ULTIMATE.start_main_~x~4 12), 5019#(<= ULTIMATE.start_main_~x~4 13), 5020#(<= ULTIMATE.start_main_~x~4 14), 5021#(<= ULTIMATE.start_main_~x~4 15), 5022#(<= ULTIMATE.start_main_~x~4 16), 5023#(<= ULTIMATE.start_main_~x~4 17), 5024#(<= ULTIMATE.start_main_~x~4 18), 5025#(<= ULTIMATE.start_main_~x~4 19), 5026#(<= ULTIMATE.start_main_~x~4 20), 5027#(<= ULTIMATE.start_main_~x~4 21), 5028#(<= ULTIMATE.start_main_~x~4 22), 5029#(<= ULTIMATE.start_main_~x~4 23), 5030#(<= ULTIMATE.start_main_~x~4 24), 5031#(<= ULTIMATE.start_main_~x~4 25), 5032#(<= ULTIMATE.start_main_~x~4 26), 5033#(and (<= ULTIMATE.start_main_~x~4 27) (<= 0 ULTIMATE.start_main_~y~4)), 5034#(<= 1 ULTIMATE.start_main_~y~4)] [2018-07-23 13:41:00,508 INFO L134 CoverageAnalysis]: Checked inductivity of 756 backedges. 0 proven. 756 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2018-07-23 13:41:00,509 INFO L450 AbstractCegarLoop]: Interpolant automaton has 31 states [2018-07-23 13:41:00,509 INFO L132 InterpolantAutomaton]: Constructing interpolant automaton starting with 31 interpolants. [2018-07-23 13:41:00,510 INFO L133 InterpolantAutomaton]: CoverageRelationStatistics Valid=410, Invalid=520, Unknown=0, NotChecked=0, Total=930 [2018-07-23 13:41:00,511 INFO L87 Difference]: Start difference. First operand 59 states and 59 transitions. Second operand 31 states. [2018-07-23 13:41:00,747 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2018-07-23 13:41:00,748 INFO L93 Difference]: Finished difference Result 64 states and 64 transitions. [2018-07-23 13:41:00,748 INFO L142 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 32 states. [2018-07-23 13:41:00,748 INFO L78 Accepts]: Start accepts. Automaton has 31 states. Word has length 58 [2018-07-23 13:41:00,748 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2018-07-23 13:41:00,749 INFO L225 Difference]: With dead ends: 64 [2018-07-23 13:41:00,749 INFO L226 Difference]: Without dead ends: 62 [2018-07-23 13:41:00,751 INFO L575 BasicCegarLoop]: 0 DeclaredPredicates, 59 GetRequests, 1 SyntacticMatches, 0 SemanticMatches, 58 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 457 ImplicationChecksByTransitivity, 0.2s TimeCoverageRelationStatistics Valid=1309, Invalid=2231, Unknown=0, NotChecked=0, Total=3540 [2018-07-23 13:41:00,751 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 62 states. [2018-07-23 13:41:00,756 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 62 to 61. [2018-07-23 13:41:00,756 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 61 states. [2018-07-23 13:41:00,757 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 61 states to 61 states and 61 transitions. [2018-07-23 13:41:00,757 INFO L78 Accepts]: Start accepts. Automaton has 61 states and 61 transitions. Word has length 58 [2018-07-23 13:41:00,757 INFO L84 Accepts]: Finished accepts. word is rejected. [2018-07-23 13:41:00,757 INFO L471 AbstractCegarLoop]: Abstraction has 61 states and 61 transitions. [2018-07-23 13:41:00,758 INFO L472 AbstractCegarLoop]: Interpolant automaton has 31 states. [2018-07-23 13:41:00,758 INFO L276 IsEmpty]: Start isEmpty. Operand 61 states and 61 transitions. [2018-07-23 13:41:00,758 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 61 [2018-07-23 13:41:00,758 INFO L349 BasicCegarLoop]: Found error trace [2018-07-23 13:41:00,759 INFO L357 BasicCegarLoop]: trace histogram [29, 28, 1, 1, 1] [2018-07-23 13:41:00,759 INFO L414 AbstractCegarLoop]: === Iteration 29 === [ULTIMATE.startErr0AssertViolationASSERT]=== [2018-07-23 13:41:00,759 INFO L82 PathProgramCache]: Analyzing trace with hash -486014624, now seen corresponding path program 28 times [2018-07-23 13:41:00,759 INFO L69 tionRefinementEngine]: Using refinement strategy FixedRefinementStrategy [2018-07-23 13:41:00,773 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-07-23 13:41:00,889 INFO L134 CoverageAnalysis]: Checked inductivity of 812 backedges. 0 proven. 812 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2018-07-23 13:41:00,890 INFO L309 seRefinementStrategy]: Constructing automaton from 0 perfect and 1 imperfect interpolant sequences. [2018-07-23 13:41:00,890 INFO L324 seRefinementStrategy]: Number of different interpolants: perfect sequences [] imperfect sequences [31] total 31 [2018-07-23 13:41:00,890 INFO L142 lantAutomatonBuilder]: Constructing canonical interpolant automaton, with selfloop in false state [2018-07-23 13:41:00,890 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2018-07-23 13:41:00,891 INFO L185 omatonBuilderFactory]: Interpolants [5343#true, 5344#false, 5345#(<= ULTIMATE.start_main_~x~4 0), 5346#(<= ULTIMATE.start_main_~x~4 1), 5347#(<= ULTIMATE.start_main_~x~4 2), 5348#(<= ULTIMATE.start_main_~x~4 3), 5349#(<= ULTIMATE.start_main_~x~4 4), 5350#(<= ULTIMATE.start_main_~x~4 5), 5351#(<= ULTIMATE.start_main_~x~4 6), 5352#(<= ULTIMATE.start_main_~x~4 7), 5353#(<= ULTIMATE.start_main_~x~4 8), 5354#(<= ULTIMATE.start_main_~x~4 9), 5355#(<= ULTIMATE.start_main_~x~4 10), 5356#(<= ULTIMATE.start_main_~x~4 11), 5357#(<= ULTIMATE.start_main_~x~4 12), 5358#(<= ULTIMATE.start_main_~x~4 13), 5359#(<= ULTIMATE.start_main_~x~4 14), 5360#(<= ULTIMATE.start_main_~x~4 15), 5361#(<= ULTIMATE.start_main_~x~4 16), 5362#(<= ULTIMATE.start_main_~x~4 17), 5363#(<= ULTIMATE.start_main_~x~4 18), 5364#(<= ULTIMATE.start_main_~x~4 19), 5365#(<= ULTIMATE.start_main_~x~4 20), 5366#(<= ULTIMATE.start_main_~x~4 21), 5367#(<= ULTIMATE.start_main_~x~4 22), 5368#(<= ULTIMATE.start_main_~x~4 23), 5369#(<= ULTIMATE.start_main_~x~4 24), 5370#(<= ULTIMATE.start_main_~x~4 25), 5371#(<= ULTIMATE.start_main_~x~4 26), 5372#(<= ULTIMATE.start_main_~x~4 27), 5373#(and (<= 0 ULTIMATE.start_main_~y~4) (<= ULTIMATE.start_main_~x~4 28)), 5374#(<= 1 ULTIMATE.start_main_~y~4)] [2018-07-23 13:41:00,892 INFO L134 CoverageAnalysis]: Checked inductivity of 812 backedges. 0 proven. 812 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2018-07-23 13:41:00,892 INFO L450 AbstractCegarLoop]: Interpolant automaton has 32 states [2018-07-23 13:41:00,892 INFO L132 InterpolantAutomaton]: Constructing interpolant automaton starting with 32 interpolants. [2018-07-23 13:41:00,893 INFO L133 InterpolantAutomaton]: CoverageRelationStatistics Valid=439, Invalid=553, Unknown=0, NotChecked=0, Total=992 [2018-07-23 13:41:00,893 INFO L87 Difference]: Start difference. First operand 61 states and 61 transitions. Second operand 32 states. [2018-07-23 13:41:01,163 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2018-07-23 13:41:01,163 INFO L93 Difference]: Finished difference Result 66 states and 66 transitions. [2018-07-23 13:41:01,164 INFO L142 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 33 states. [2018-07-23 13:41:01,164 INFO L78 Accepts]: Start accepts. Automaton has 32 states. Word has length 60 [2018-07-23 13:41:01,164 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2018-07-23 13:41:01,165 INFO L225 Difference]: With dead ends: 66 [2018-07-23 13:41:01,165 INFO L226 Difference]: Without dead ends: 64 [2018-07-23 13:41:01,169 INFO L575 BasicCegarLoop]: 0 DeclaredPredicates, 61 GetRequests, 1 SyntacticMatches, 0 SemanticMatches, 60 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 488 ImplicationChecksByTransitivity, 0.2s TimeCoverageRelationStatistics Valid=1399, Invalid=2383, Unknown=0, NotChecked=0, Total=3782 [2018-07-23 13:41:01,169 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 64 states. [2018-07-23 13:41:01,174 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 64 to 63. [2018-07-23 13:41:01,174 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 63 states. [2018-07-23 13:41:01,175 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 63 states to 63 states and 63 transitions. [2018-07-23 13:41:01,175 INFO L78 Accepts]: Start accepts. Automaton has 63 states and 63 transitions. Word has length 60 [2018-07-23 13:41:01,175 INFO L84 Accepts]: Finished accepts. word is rejected. [2018-07-23 13:41:01,176 INFO L471 AbstractCegarLoop]: Abstraction has 63 states and 63 transitions. [2018-07-23 13:41:01,176 INFO L472 AbstractCegarLoop]: Interpolant automaton has 32 states. [2018-07-23 13:41:01,176 INFO L276 IsEmpty]: Start isEmpty. Operand 63 states and 63 transitions. [2018-07-23 13:41:01,176 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 63 [2018-07-23 13:41:01,176 INFO L349 BasicCegarLoop]: Found error trace [2018-07-23 13:41:01,177 INFO L357 BasicCegarLoop]: trace histogram [30, 29, 1, 1, 1] [2018-07-23 13:41:01,177 INFO L414 AbstractCegarLoop]: === Iteration 30 === [ULTIMATE.startErr0AssertViolationASSERT]=== [2018-07-23 13:41:01,177 INFO L82 PathProgramCache]: Analyzing trace with hash 1091445382, now seen corresponding path program 29 times [2018-07-23 13:41:01,177 INFO L69 tionRefinementEngine]: Using refinement strategy FixedRefinementStrategy [2018-07-23 13:41:01,192 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-07-23 13:41:01,363 INFO L134 CoverageAnalysis]: Checked inductivity of 870 backedges. 0 proven. 870 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2018-07-23 13:41:01,363 INFO L309 seRefinementStrategy]: Constructing automaton from 0 perfect and 1 imperfect interpolant sequences. [2018-07-23 13:41:01,363 INFO L324 seRefinementStrategy]: Number of different interpolants: perfect sequences [] imperfect sequences [32] total 32 [2018-07-23 13:41:01,363 INFO L142 lantAutomatonBuilder]: Constructing canonical interpolant automaton, with selfloop in false state [2018-07-23 13:41:01,364 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2018-07-23 13:41:01,364 INFO L185 omatonBuilderFactory]: Interpolants [5696#(<= ULTIMATE.start_main_~x~4 1), 5697#(<= ULTIMATE.start_main_~x~4 2), 5698#(<= ULTIMATE.start_main_~x~4 3), 5699#(<= ULTIMATE.start_main_~x~4 4), 5700#(<= ULTIMATE.start_main_~x~4 5), 5701#(<= ULTIMATE.start_main_~x~4 6), 5702#(<= ULTIMATE.start_main_~x~4 7), 5703#(<= ULTIMATE.start_main_~x~4 8), 5704#(<= ULTIMATE.start_main_~x~4 9), 5705#(<= ULTIMATE.start_main_~x~4 10), 5706#(<= ULTIMATE.start_main_~x~4 11), 5707#(<= ULTIMATE.start_main_~x~4 12), 5708#(<= ULTIMATE.start_main_~x~4 13), 5709#(<= ULTIMATE.start_main_~x~4 14), 5710#(<= ULTIMATE.start_main_~x~4 15), 5711#(<= ULTIMATE.start_main_~x~4 16), 5712#(<= ULTIMATE.start_main_~x~4 17), 5713#(<= ULTIMATE.start_main_~x~4 18), 5714#(<= ULTIMATE.start_main_~x~4 19), 5715#(<= ULTIMATE.start_main_~x~4 20), 5716#(<= ULTIMATE.start_main_~x~4 21), 5717#(<= ULTIMATE.start_main_~x~4 22), 5718#(<= ULTIMATE.start_main_~x~4 23), 5719#(<= ULTIMATE.start_main_~x~4 24), 5720#(<= ULTIMATE.start_main_~x~4 25), 5721#(<= ULTIMATE.start_main_~x~4 26), 5722#(<= ULTIMATE.start_main_~x~4 27), 5723#(<= ULTIMATE.start_main_~x~4 28), 5724#(and (<= 0 ULTIMATE.start_main_~y~4) (<= ULTIMATE.start_main_~x~4 29)), 5725#(<= 1 ULTIMATE.start_main_~y~4), 5693#true, 5694#false, 5695#(<= ULTIMATE.start_main_~x~4 0)] [2018-07-23 13:41:01,365 INFO L134 CoverageAnalysis]: Checked inductivity of 870 backedges. 0 proven. 870 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2018-07-23 13:41:01,366 INFO L450 AbstractCegarLoop]: Interpolant automaton has 33 states [2018-07-23 13:41:01,366 INFO L132 InterpolantAutomaton]: Constructing interpolant automaton starting with 33 interpolants. [2018-07-23 13:41:01,367 INFO L133 InterpolantAutomaton]: CoverageRelationStatistics Valid=469, Invalid=587, Unknown=0, NotChecked=0, Total=1056 [2018-07-23 13:41:01,367 INFO L87 Difference]: Start difference. First operand 63 states and 63 transitions. Second operand 33 states. [2018-07-23 13:41:01,598 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2018-07-23 13:41:01,598 INFO L93 Difference]: Finished difference Result 68 states and 68 transitions. [2018-07-23 13:41:01,598 INFO L142 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 34 states. [2018-07-23 13:41:01,599 INFO L78 Accepts]: Start accepts. Automaton has 33 states. Word has length 62 [2018-07-23 13:41:01,599 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2018-07-23 13:41:01,599 INFO L225 Difference]: With dead ends: 68 [2018-07-23 13:41:01,599 INFO L226 Difference]: Without dead ends: 66 [2018-07-23 13:41:01,602 INFO L575 BasicCegarLoop]: 0 DeclaredPredicates, 63 GetRequests, 1 SyntacticMatches, 0 SemanticMatches, 62 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 520 ImplicationChecksByTransitivity, 0.2s TimeCoverageRelationStatistics Valid=1492, Invalid=2540, Unknown=0, NotChecked=0, Total=4032 [2018-07-23 13:41:01,603 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 66 states. [2018-07-23 13:41:01,607 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 66 to 65. [2018-07-23 13:41:01,607 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 65 states. [2018-07-23 13:41:01,607 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 65 states to 65 states and 65 transitions. [2018-07-23 13:41:01,607 INFO L78 Accepts]: Start accepts. Automaton has 65 states and 65 transitions. Word has length 62 [2018-07-23 13:41:01,608 INFO L84 Accepts]: Finished accepts. word is rejected. [2018-07-23 13:41:01,608 INFO L471 AbstractCegarLoop]: Abstraction has 65 states and 65 transitions. [2018-07-23 13:41:01,608 INFO L472 AbstractCegarLoop]: Interpolant automaton has 33 states. [2018-07-23 13:41:01,608 INFO L276 IsEmpty]: Start isEmpty. Operand 65 states and 65 transitions. [2018-07-23 13:41:01,608 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 65 [2018-07-23 13:41:01,609 INFO L349 BasicCegarLoop]: Found error trace [2018-07-23 13:41:01,609 INFO L357 BasicCegarLoop]: trace histogram [31, 30, 1, 1, 1] [2018-07-23 13:41:01,609 INFO L414 AbstractCegarLoop]: === Iteration 31 === [ULTIMATE.startErr0AssertViolationASSERT]=== [2018-07-23 13:41:01,609 INFO L82 PathProgramCache]: Analyzing trace with hash 907055660, now seen corresponding path program 30 times [2018-07-23 13:41:01,610 INFO L69 tionRefinementEngine]: Using refinement strategy FixedRefinementStrategy [2018-07-23 13:41:01,620 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-07-23 13:41:01,728 INFO L134 CoverageAnalysis]: Checked inductivity of 930 backedges. 0 proven. 930 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2018-07-23 13:41:01,729 INFO L309 seRefinementStrategy]: Constructing automaton from 0 perfect and 1 imperfect interpolant sequences. [2018-07-23 13:41:01,729 INFO L324 seRefinementStrategy]: Number of different interpolants: perfect sequences [] imperfect sequences [33] total 33 [2018-07-23 13:41:01,729 INFO L142 lantAutomatonBuilder]: Constructing canonical interpolant automaton, with selfloop in false state [2018-07-23 13:41:01,730 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 13:41:01,730 INFO L185 omatonBuilderFactory]: Interpolants [6080#(<= ULTIMATE.start_main_~x~4 24), 6081#(<= ULTIMATE.start_main_~x~4 25), 6082#(<= ULTIMATE.start_main_~x~4 26), 6083#(<= ULTIMATE.start_main_~x~4 27), 6084#(<= ULTIMATE.start_main_~x~4 28), 6085#(<= ULTIMATE.start_main_~x~4 29), 6086#(and (<= ULTIMATE.start_main_~x~4 30) (<= 0 ULTIMATE.start_main_~y~4)), 6087#(<= 1 ULTIMATE.start_main_~y~4), 6054#true, 6055#false, 6056#(<= ULTIMATE.start_main_~x~4 0), 6057#(<= ULTIMATE.start_main_~x~4 1), 6058#(<= ULTIMATE.start_main_~x~4 2), 6059#(<= ULTIMATE.start_main_~x~4 3), 6060#(<= ULTIMATE.start_main_~x~4 4), 6061#(<= ULTIMATE.start_main_~x~4 5), 6062#(<= ULTIMATE.start_main_~x~4 6), 6063#(<= ULTIMATE.start_main_~x~4 7), 6064#(<= ULTIMATE.start_main_~x~4 8), 6065#(<= ULTIMATE.start_main_~x~4 9), 6066#(<= ULTIMATE.start_main_~x~4 10), 6067#(<= ULTIMATE.start_main_~x~4 11), 6068#(<= ULTIMATE.start_main_~x~4 12), 6069#(<= ULTIMATE.start_main_~x~4 13), 6070#(<= ULTIMATE.start_main_~x~4 14), 6071#(<= ULTIMATE.start_main_~x~4 15), 6072#(<= ULTIMATE.start_main_~x~4 16), 6073#(<= ULTIMATE.start_main_~x~4 17), 6074#(<= ULTIMATE.start_main_~x~4 18), 6075#(<= ULTIMATE.start_main_~x~4 19), 6076#(<= ULTIMATE.start_main_~x~4 20), 6077#(<= ULTIMATE.start_main_~x~4 21), 6078#(<= ULTIMATE.start_main_~x~4 22), 6079#(<= ULTIMATE.start_main_~x~4 23)] [2018-07-23 13:41:01,731 INFO L134 CoverageAnalysis]: Checked inductivity of 930 backedges. 0 proven. 930 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2018-07-23 13:41:01,731 INFO L450 AbstractCegarLoop]: Interpolant automaton has 34 states [2018-07-23 13:41:01,731 INFO L132 InterpolantAutomaton]: Constructing interpolant automaton starting with 34 interpolants. [2018-07-23 13:41:01,732 INFO L133 InterpolantAutomaton]: CoverageRelationStatistics Valid=500, Invalid=622, Unknown=0, NotChecked=0, Total=1122 [2018-07-23 13:41:01,733 INFO L87 Difference]: Start difference. First operand 65 states and 65 transitions. Second operand 34 states. [2018-07-23 13:41:01,961 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2018-07-23 13:41:01,961 INFO L93 Difference]: Finished difference Result 70 states and 70 transitions. [2018-07-23 13:41:01,961 INFO L142 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 35 states. [2018-07-23 13:41:01,962 INFO L78 Accepts]: Start accepts. Automaton has 34 states. Word has length 64 [2018-07-23 13:41:01,962 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2018-07-23 13:41:01,962 INFO L225 Difference]: With dead ends: 70 [2018-07-23 13:41:01,962 INFO L226 Difference]: Without dead ends: 68 [2018-07-23 13:41:01,965 INFO L575 BasicCegarLoop]: 0 DeclaredPredicates, 65 GetRequests, 1 SyntacticMatches, 0 SemanticMatches, 64 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 553 ImplicationChecksByTransitivity, 0.2s TimeCoverageRelationStatistics Valid=1588, Invalid=2702, Unknown=0, NotChecked=0, Total=4290 [2018-07-23 13:41:01,965 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 68 states. [2018-07-23 13:41:01,970 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 68 to 67. [2018-07-23 13:41:01,971 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 67 states. [2018-07-23 13:41:01,971 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 67 states to 67 states and 67 transitions. [2018-07-23 13:41:01,971 INFO L78 Accepts]: Start accepts. Automaton has 67 states and 67 transitions. Word has length 64 [2018-07-23 13:41:01,971 INFO L84 Accepts]: Finished accepts. word is rejected. [2018-07-23 13:41:01,972 INFO L471 AbstractCegarLoop]: Abstraction has 67 states and 67 transitions. [2018-07-23 13:41:01,972 INFO L472 AbstractCegarLoop]: Interpolant automaton has 34 states. [2018-07-23 13:41:01,972 INFO L276 IsEmpty]: Start isEmpty. Operand 67 states and 67 transitions. [2018-07-23 13:41:01,972 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 67 [2018-07-23 13:41:01,972 INFO L349 BasicCegarLoop]: Found error trace [2018-07-23 13:41:01,972 INFO L357 BasicCegarLoop]: trace histogram [32, 31, 1, 1, 1] [2018-07-23 13:41:01,973 INFO L414 AbstractCegarLoop]: === Iteration 32 === [ULTIMATE.startErr0AssertViolationASSERT]=== [2018-07-23 13:41:01,973 INFO L82 PathProgramCache]: Analyzing trace with hash -197808046, now seen corresponding path program 31 times [2018-07-23 13:41:01,973 INFO L69 tionRefinementEngine]: Using refinement strategy FixedRefinementStrategy [2018-07-23 13:41:01,985 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-07-23 13:41:02,109 INFO L134 CoverageAnalysis]: Checked inductivity of 992 backedges. 0 proven. 992 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2018-07-23 13:41:02,109 INFO L309 seRefinementStrategy]: Constructing automaton from 0 perfect and 1 imperfect interpolant sequences. [2018-07-23 13:41:02,109 INFO L324 seRefinementStrategy]: Number of different interpolants: perfect sequences [] imperfect sequences [34] total 34 [2018-07-23 13:41:02,110 INFO L142 lantAutomatonBuilder]: Constructing canonical interpolant automaton, with selfloop in false state [2018-07-23 13:41:02,110 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2018-07-23 13:41:02,110 INFO L185 omatonBuilderFactory]: Interpolants [6426#true, 6427#false, 6428#(<= ULTIMATE.start_main_~x~4 0), 6429#(<= ULTIMATE.start_main_~x~4 1), 6430#(<= ULTIMATE.start_main_~x~4 2), 6431#(<= ULTIMATE.start_main_~x~4 3), 6432#(<= ULTIMATE.start_main_~x~4 4), 6433#(<= ULTIMATE.start_main_~x~4 5), 6434#(<= ULTIMATE.start_main_~x~4 6), 6435#(<= ULTIMATE.start_main_~x~4 7), 6436#(<= ULTIMATE.start_main_~x~4 8), 6437#(<= ULTIMATE.start_main_~x~4 9), 6438#(<= ULTIMATE.start_main_~x~4 10), 6439#(<= ULTIMATE.start_main_~x~4 11), 6440#(<= ULTIMATE.start_main_~x~4 12), 6441#(<= ULTIMATE.start_main_~x~4 13), 6442#(<= ULTIMATE.start_main_~x~4 14), 6443#(<= ULTIMATE.start_main_~x~4 15), 6444#(<= ULTIMATE.start_main_~x~4 16), 6445#(<= ULTIMATE.start_main_~x~4 17), 6446#(<= ULTIMATE.start_main_~x~4 18), 6447#(<= ULTIMATE.start_main_~x~4 19), 6448#(<= ULTIMATE.start_main_~x~4 20), 6449#(<= ULTIMATE.start_main_~x~4 21), 6450#(<= ULTIMATE.start_main_~x~4 22), 6451#(<= ULTIMATE.start_main_~x~4 23), 6452#(<= ULTIMATE.start_main_~x~4 24), 6453#(<= ULTIMATE.start_main_~x~4 25), 6454#(<= ULTIMATE.start_main_~x~4 26), 6455#(<= ULTIMATE.start_main_~x~4 27), 6456#(<= ULTIMATE.start_main_~x~4 28), 6457#(<= ULTIMATE.start_main_~x~4 29), 6458#(<= ULTIMATE.start_main_~x~4 30), 6459#(and (<= ULTIMATE.start_main_~x~4 31) (<= 0 ULTIMATE.start_main_~y~4)), 6460#(<= 1 ULTIMATE.start_main_~y~4)] [2018-07-23 13:41:02,111 INFO L134 CoverageAnalysis]: Checked inductivity of 992 backedges. 0 proven. 992 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2018-07-23 13:41:02,111 INFO L450 AbstractCegarLoop]: Interpolant automaton has 35 states [2018-07-23 13:41:02,112 INFO L132 InterpolantAutomaton]: Constructing interpolant automaton starting with 35 interpolants. [2018-07-23 13:41:02,112 INFO L133 InterpolantAutomaton]: CoverageRelationStatistics Valid=532, Invalid=658, Unknown=0, NotChecked=0, Total=1190 [2018-07-23 13:41:02,113 INFO L87 Difference]: Start difference. First operand 67 states and 67 transitions. Second operand 35 states. [2018-07-23 13:41:02,357 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2018-07-23 13:41:02,358 INFO L93 Difference]: Finished difference Result 72 states and 72 transitions. [2018-07-23 13:41:02,358 INFO L142 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 36 states. [2018-07-23 13:41:02,358 INFO L78 Accepts]: Start accepts. Automaton has 35 states. Word has length 66 [2018-07-23 13:41:02,358 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2018-07-23 13:41:02,359 INFO L225 Difference]: With dead ends: 72 [2018-07-23 13:41:02,359 INFO L226 Difference]: Without dead ends: 70 [2018-07-23 13:41:02,361 INFO L575 BasicCegarLoop]: 0 DeclaredPredicates, 67 GetRequests, 1 SyntacticMatches, 0 SemanticMatches, 66 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 587 ImplicationChecksByTransitivity, 0.2s TimeCoverageRelationStatistics Valid=1687, Invalid=2869, Unknown=0, NotChecked=0, Total=4556 [2018-07-23 13:41:02,361 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 70 states. [2018-07-23 13:41:02,366 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 70 to 69. [2018-07-23 13:41:02,366 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 69 states. [2018-07-23 13:41:02,367 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 69 states to 69 states and 69 transitions. [2018-07-23 13:41:02,367 INFO L78 Accepts]: Start accepts. Automaton has 69 states and 69 transitions. Word has length 66 [2018-07-23 13:41:02,367 INFO L84 Accepts]: Finished accepts. word is rejected. [2018-07-23 13:41:02,367 INFO L471 AbstractCegarLoop]: Abstraction has 69 states and 69 transitions. [2018-07-23 13:41:02,367 INFO L472 AbstractCegarLoop]: Interpolant automaton has 35 states. [2018-07-23 13:41:02,367 INFO L276 IsEmpty]: Start isEmpty. Operand 69 states and 69 transitions. [2018-07-23 13:41:02,368 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 69 [2018-07-23 13:41:02,368 INFO L349 BasicCegarLoop]: Found error trace [2018-07-23 13:41:02,368 INFO L357 BasicCegarLoop]: trace histogram [33, 32, 1, 1, 1] [2018-07-23 13:41:02,368 INFO L414 AbstractCegarLoop]: === Iteration 33 === [ULTIMATE.startErr0AssertViolationASSERT]=== [2018-07-23 13:41:02,369 INFO L82 PathProgramCache]: Analyzing trace with hash -1114907400, now seen corresponding path program 32 times [2018-07-23 13:41:02,369 INFO L69 tionRefinementEngine]: Using refinement strategy FixedRefinementStrategy [2018-07-23 13:41:02,381 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-07-23 13:41:02,536 INFO L134 CoverageAnalysis]: Checked inductivity of 1056 backedges. 0 proven. 1056 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2018-07-23 13:41:02,537 INFO L309 seRefinementStrategy]: Constructing automaton from 0 perfect and 1 imperfect interpolant sequences. [2018-07-23 13:41:02,537 INFO L324 seRefinementStrategy]: Number of different interpolants: perfect sequences [] imperfect sequences [35] total 35 [2018-07-23 13:41:02,537 INFO L142 lantAutomatonBuilder]: Constructing canonical interpolant automaton, with selfloop in false state [2018-07-23 13:41:02,537 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 13:41:02,538 INFO L185 omatonBuilderFactory]: Interpolants [6809#true, 6810#false, 6811#(<= ULTIMATE.start_main_~x~4 0), 6812#(<= ULTIMATE.start_main_~x~4 1), 6813#(<= ULTIMATE.start_main_~x~4 2), 6814#(<= ULTIMATE.start_main_~x~4 3), 6815#(<= ULTIMATE.start_main_~x~4 4), 6816#(<= ULTIMATE.start_main_~x~4 5), 6817#(<= ULTIMATE.start_main_~x~4 6), 6818#(<= ULTIMATE.start_main_~x~4 7), 6819#(<= ULTIMATE.start_main_~x~4 8), 6820#(<= ULTIMATE.start_main_~x~4 9), 6821#(<= ULTIMATE.start_main_~x~4 10), 6822#(<= ULTIMATE.start_main_~x~4 11), 6823#(<= ULTIMATE.start_main_~x~4 12), 6824#(<= ULTIMATE.start_main_~x~4 13), 6825#(<= ULTIMATE.start_main_~x~4 14), 6826#(<= ULTIMATE.start_main_~x~4 15), 6827#(<= ULTIMATE.start_main_~x~4 16), 6828#(<= ULTIMATE.start_main_~x~4 17), 6829#(<= ULTIMATE.start_main_~x~4 18), 6830#(<= ULTIMATE.start_main_~x~4 19), 6831#(<= ULTIMATE.start_main_~x~4 20), 6832#(<= ULTIMATE.start_main_~x~4 21), 6833#(<= ULTIMATE.start_main_~x~4 22), 6834#(<= ULTIMATE.start_main_~x~4 23), 6835#(<= ULTIMATE.start_main_~x~4 24), 6836#(<= ULTIMATE.start_main_~x~4 25), 6837#(<= ULTIMATE.start_main_~x~4 26), 6838#(<= ULTIMATE.start_main_~x~4 27), 6839#(<= ULTIMATE.start_main_~x~4 28), 6840#(<= ULTIMATE.start_main_~x~4 29), 6841#(<= ULTIMATE.start_main_~x~4 30), 6842#(<= ULTIMATE.start_main_~x~4 31), 6843#(and (<= ULTIMATE.start_main_~x~4 32) (<= 0 ULTIMATE.start_main_~y~4)), 6844#(<= 1 ULTIMATE.start_main_~y~4)] [2018-07-23 13:41:02,539 INFO L134 CoverageAnalysis]: Checked inductivity of 1056 backedges. 0 proven. 1056 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2018-07-23 13:41:02,539 INFO L450 AbstractCegarLoop]: Interpolant automaton has 36 states [2018-07-23 13:41:02,539 INFO L132 InterpolantAutomaton]: Constructing interpolant automaton starting with 36 interpolants. [2018-07-23 13:41:02,540 INFO L133 InterpolantAutomaton]: CoverageRelationStatistics Valid=565, Invalid=695, Unknown=0, NotChecked=0, Total=1260 [2018-07-23 13:41:02,540 INFO L87 Difference]: Start difference. First operand 69 states and 69 transitions. Second operand 36 states. [2018-07-23 13:41:02,782 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2018-07-23 13:41:02,782 INFO L93 Difference]: Finished difference Result 74 states and 74 transitions. [2018-07-23 13:41:02,782 INFO L142 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 37 states. [2018-07-23 13:41:02,783 INFO L78 Accepts]: Start accepts. Automaton has 36 states. Word has length 68 [2018-07-23 13:41:02,783 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2018-07-23 13:41:02,783 INFO L225 Difference]: With dead ends: 74 [2018-07-23 13:41:02,784 INFO L226 Difference]: Without dead ends: 72 [2018-07-23 13:41:02,785 INFO L575 BasicCegarLoop]: 0 DeclaredPredicates, 69 GetRequests, 1 SyntacticMatches, 0 SemanticMatches, 68 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 622 ImplicationChecksByTransitivity, 0.2s TimeCoverageRelationStatistics Valid=1789, Invalid=3041, Unknown=0, NotChecked=0, Total=4830 [2018-07-23 13:41:02,785 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 72 states. [2018-07-23 13:41:02,790 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 72 to 71. [2018-07-23 13:41:02,791 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 71 states. [2018-07-23 13:41:02,791 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 71 states to 71 states and 71 transitions. [2018-07-23 13:41:02,791 INFO L78 Accepts]: Start accepts. Automaton has 71 states and 71 transitions. Word has length 68 [2018-07-23 13:41:02,791 INFO L84 Accepts]: Finished accepts. word is rejected. [2018-07-23 13:41:02,792 INFO L471 AbstractCegarLoop]: Abstraction has 71 states and 71 transitions. [2018-07-23 13:41:02,792 INFO L472 AbstractCegarLoop]: Interpolant automaton has 36 states. [2018-07-23 13:41:02,792 INFO L276 IsEmpty]: Start isEmpty. Operand 71 states and 71 transitions. [2018-07-23 13:41:02,792 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 71 [2018-07-23 13:41:02,792 INFO L349 BasicCegarLoop]: Found error trace [2018-07-23 13:41:02,792 INFO L357 BasicCegarLoop]: trace histogram [34, 33, 1, 1, 1] [2018-07-23 13:41:02,793 INFO L414 AbstractCegarLoop]: === Iteration 34 === [ULTIMATE.startErr0AssertViolationASSERT]=== [2018-07-23 13:41:02,793 INFO L82 PathProgramCache]: Analyzing trace with hash -1979090914, now seen corresponding path program 33 times [2018-07-23 13:41:02,793 INFO L69 tionRefinementEngine]: Using refinement strategy FixedRefinementStrategy [2018-07-23 13:41:02,805 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-07-23 13:41:02,922 INFO L134 CoverageAnalysis]: Checked inductivity of 1122 backedges. 0 proven. 1122 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2018-07-23 13:41:02,922 INFO L309 seRefinementStrategy]: Constructing automaton from 0 perfect and 1 imperfect interpolant sequences. [2018-07-23 13:41:02,922 INFO L324 seRefinementStrategy]: Number of different interpolants: perfect sequences [] imperfect sequences [36] total 36 [2018-07-23 13:41:02,923 INFO L142 lantAutomatonBuilder]: Constructing canonical interpolant automaton, with selfloop in false state [2018-07-23 13:41:02,923 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2018-07-23 13:41:02,923 INFO L185 omatonBuilderFactory]: Interpolants [7232#(<= ULTIMATE.start_main_~x~4 27), 7233#(<= ULTIMATE.start_main_~x~4 28), 7234#(<= ULTIMATE.start_main_~x~4 29), 7235#(<= ULTIMATE.start_main_~x~4 30), 7236#(<= ULTIMATE.start_main_~x~4 31), 7237#(<= ULTIMATE.start_main_~x~4 32), 7238#(and (<= ULTIMATE.start_main_~x~4 33) (<= 0 ULTIMATE.start_main_~y~4)), 7239#(<= 1 ULTIMATE.start_main_~y~4), 7203#true, 7204#false, 7205#(<= ULTIMATE.start_main_~x~4 0), 7206#(<= ULTIMATE.start_main_~x~4 1), 7207#(<= ULTIMATE.start_main_~x~4 2), 7208#(<= ULTIMATE.start_main_~x~4 3), 7209#(<= ULTIMATE.start_main_~x~4 4), 7210#(<= ULTIMATE.start_main_~x~4 5), 7211#(<= ULTIMATE.start_main_~x~4 6), 7212#(<= ULTIMATE.start_main_~x~4 7), 7213#(<= ULTIMATE.start_main_~x~4 8), 7214#(<= ULTIMATE.start_main_~x~4 9), 7215#(<= ULTIMATE.start_main_~x~4 10), 7216#(<= ULTIMATE.start_main_~x~4 11), 7217#(<= ULTIMATE.start_main_~x~4 12), 7218#(<= ULTIMATE.start_main_~x~4 13), 7219#(<= ULTIMATE.start_main_~x~4 14), 7220#(<= ULTIMATE.start_main_~x~4 15), 7221#(<= ULTIMATE.start_main_~x~4 16), 7222#(<= ULTIMATE.start_main_~x~4 17), 7223#(<= ULTIMATE.start_main_~x~4 18), 7224#(<= ULTIMATE.start_main_~x~4 19), 7225#(<= ULTIMATE.start_main_~x~4 20), 7226#(<= ULTIMATE.start_main_~x~4 21), 7227#(<= ULTIMATE.start_main_~x~4 22), 7228#(<= ULTIMATE.start_main_~x~4 23), 7229#(<= ULTIMATE.start_main_~x~4 24), 7230#(<= ULTIMATE.start_main_~x~4 25), 7231#(<= ULTIMATE.start_main_~x~4 26)] [2018-07-23 13:41:02,924 INFO L134 CoverageAnalysis]: Checked inductivity of 1122 backedges. 0 proven. 1122 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2018-07-23 13:41:02,924 INFO L450 AbstractCegarLoop]: Interpolant automaton has 37 states [2018-07-23 13:41:02,925 INFO L132 InterpolantAutomaton]: Constructing interpolant automaton starting with 37 interpolants. [2018-07-23 13:41:02,925 INFO L133 InterpolantAutomaton]: CoverageRelationStatistics Valid=599, Invalid=733, Unknown=0, NotChecked=0, Total=1332 [2018-07-23 13:41:02,926 INFO L87 Difference]: Start difference. First operand 71 states and 71 transitions. Second operand 37 states. [2018-07-23 13:41:03,174 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2018-07-23 13:41:03,174 INFO L93 Difference]: Finished difference Result 76 states and 76 transitions. [2018-07-23 13:41:03,174 INFO L142 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 38 states. [2018-07-23 13:41:03,174 INFO L78 Accepts]: Start accepts. Automaton has 37 states. Word has length 70 [2018-07-23 13:41:03,174 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2018-07-23 13:41:03,175 INFO L225 Difference]: With dead ends: 76 [2018-07-23 13:41:03,175 INFO L226 Difference]: Without dead ends: 74 [2018-07-23 13:41:03,177 INFO L575 BasicCegarLoop]: 0 DeclaredPredicates, 71 GetRequests, 1 SyntacticMatches, 0 SemanticMatches, 70 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 658 ImplicationChecksByTransitivity, 0.2s TimeCoverageRelationStatistics Valid=1894, Invalid=3218, Unknown=0, NotChecked=0, Total=5112 [2018-07-23 13:41:03,177 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 74 states. [2018-07-23 13:41:03,182 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 74 to 73. [2018-07-23 13:41:03,183 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 73 states. [2018-07-23 13:41:03,183 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 73 states to 73 states and 73 transitions. [2018-07-23 13:41:03,183 INFO L78 Accepts]: Start accepts. Automaton has 73 states and 73 transitions. Word has length 70 [2018-07-23 13:41:03,183 INFO L84 Accepts]: Finished accepts. word is rejected. [2018-07-23 13:41:03,183 INFO L471 AbstractCegarLoop]: Abstraction has 73 states and 73 transitions. [2018-07-23 13:41:03,184 INFO L472 AbstractCegarLoop]: Interpolant automaton has 37 states. [2018-07-23 13:41:03,184 INFO L276 IsEmpty]: Start isEmpty. Operand 73 states and 73 transitions. [2018-07-23 13:41:03,184 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 73 [2018-07-23 13:41:03,184 INFO L349 BasicCegarLoop]: Found error trace [2018-07-23 13:41:03,185 INFO L357 BasicCegarLoop]: trace histogram [35, 34, 1, 1, 1] [2018-07-23 13:41:03,185 INFO L414 AbstractCegarLoop]: === Iteration 35 === [ULTIMATE.startErr0AssertViolationASSERT]=== [2018-07-23 13:41:03,185 INFO L82 PathProgramCache]: Analyzing trace with hash 764207556, now seen corresponding path program 34 times [2018-07-23 13:41:03,185 INFO L69 tionRefinementEngine]: Using refinement strategy FixedRefinementStrategy [2018-07-23 13:41:03,199 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-07-23 13:41:03,308 INFO L134 CoverageAnalysis]: Checked inductivity of 1190 backedges. 0 proven. 1190 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2018-07-23 13:41:03,309 INFO L309 seRefinementStrategy]: Constructing automaton from 0 perfect and 1 imperfect interpolant sequences. [2018-07-23 13:41:03,309 INFO L324 seRefinementStrategy]: Number of different interpolants: perfect sequences [] imperfect sequences [37] total 37 [2018-07-23 13:41:03,309 INFO L142 lantAutomatonBuilder]: Constructing canonical interpolant automaton, with selfloop in false state [2018-07-23 13:41:03,309 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2018-07-23 13:41:03,310 INFO L185 omatonBuilderFactory]: Interpolants [7616#(<= ULTIMATE.start_main_~x~4 6), 7617#(<= ULTIMATE.start_main_~x~4 7), 7618#(<= ULTIMATE.start_main_~x~4 8), 7619#(<= ULTIMATE.start_main_~x~4 9), 7620#(<= ULTIMATE.start_main_~x~4 10), 7621#(<= ULTIMATE.start_main_~x~4 11), 7622#(<= ULTIMATE.start_main_~x~4 12), 7623#(<= ULTIMATE.start_main_~x~4 13), 7624#(<= ULTIMATE.start_main_~x~4 14), 7625#(<= ULTIMATE.start_main_~x~4 15), 7626#(<= ULTIMATE.start_main_~x~4 16), 7627#(<= ULTIMATE.start_main_~x~4 17), 7628#(<= ULTIMATE.start_main_~x~4 18), 7629#(<= ULTIMATE.start_main_~x~4 19), 7630#(<= ULTIMATE.start_main_~x~4 20), 7631#(<= ULTIMATE.start_main_~x~4 21), 7632#(<= ULTIMATE.start_main_~x~4 22), 7633#(<= ULTIMATE.start_main_~x~4 23), 7634#(<= ULTIMATE.start_main_~x~4 24), 7635#(<= ULTIMATE.start_main_~x~4 25), 7636#(<= ULTIMATE.start_main_~x~4 26), 7637#(<= ULTIMATE.start_main_~x~4 27), 7638#(<= ULTIMATE.start_main_~x~4 28), 7639#(<= ULTIMATE.start_main_~x~4 29), 7640#(<= ULTIMATE.start_main_~x~4 30), 7641#(<= ULTIMATE.start_main_~x~4 31), 7642#(<= ULTIMATE.start_main_~x~4 32), 7643#(<= ULTIMATE.start_main_~x~4 33), 7644#(and (<= 0 ULTIMATE.start_main_~y~4) (<= ULTIMATE.start_main_~x~4 34)), 7645#(<= 1 ULTIMATE.start_main_~y~4), 7608#true, 7609#false, 7610#(<= ULTIMATE.start_main_~x~4 0), 7611#(<= ULTIMATE.start_main_~x~4 1), 7612#(<= ULTIMATE.start_main_~x~4 2), 7613#(<= ULTIMATE.start_main_~x~4 3), 7614#(<= ULTIMATE.start_main_~x~4 4), 7615#(<= ULTIMATE.start_main_~x~4 5)] [2018-07-23 13:41:03,310 INFO L134 CoverageAnalysis]: Checked inductivity of 1190 backedges. 0 proven. 1190 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2018-07-23 13:41:03,310 INFO L450 AbstractCegarLoop]: Interpolant automaton has 38 states [2018-07-23 13:41:03,311 INFO L132 InterpolantAutomaton]: Constructing interpolant automaton starting with 38 interpolants. [2018-07-23 13:41:03,311 INFO L133 InterpolantAutomaton]: CoverageRelationStatistics Valid=634, Invalid=772, Unknown=0, NotChecked=0, Total=1406 [2018-07-23 13:41:03,311 INFO L87 Difference]: Start difference. First operand 73 states and 73 transitions. Second operand 38 states. [2018-07-23 13:41:03,569 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2018-07-23 13:41:03,569 INFO L93 Difference]: Finished difference Result 78 states and 78 transitions. [2018-07-23 13:41:03,569 INFO L142 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 39 states. [2018-07-23 13:41:03,569 INFO L78 Accepts]: Start accepts. Automaton has 38 states. Word has length 72 [2018-07-23 13:41:03,570 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2018-07-23 13:41:03,570 INFO L225 Difference]: With dead ends: 78 [2018-07-23 13:41:03,570 INFO L226 Difference]: Without dead ends: 76 [2018-07-23 13:41:03,572 INFO L575 BasicCegarLoop]: 0 DeclaredPredicates, 73 GetRequests, 1 SyntacticMatches, 0 SemanticMatches, 72 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 695 ImplicationChecksByTransitivity, 0.2s TimeCoverageRelationStatistics Valid=2002, Invalid=3400, Unknown=0, NotChecked=0, Total=5402 [2018-07-23 13:41:03,572 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 76 states. [2018-07-23 13:41:03,576 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 76 to 75. [2018-07-23 13:41:03,577 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 75 states. [2018-07-23 13:41:03,577 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 75 states to 75 states and 75 transitions. [2018-07-23 13:41:03,577 INFO L78 Accepts]: Start accepts. Automaton has 75 states and 75 transitions. Word has length 72 [2018-07-23 13:41:03,577 INFO L84 Accepts]: Finished accepts. word is rejected. [2018-07-23 13:41:03,578 INFO L471 AbstractCegarLoop]: Abstraction has 75 states and 75 transitions. [2018-07-23 13:41:03,578 INFO L472 AbstractCegarLoop]: Interpolant automaton has 38 states. [2018-07-23 13:41:03,578 INFO L276 IsEmpty]: Start isEmpty. Operand 75 states and 75 transitions. [2018-07-23 13:41:03,578 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 75 [2018-07-23 13:41:03,578 INFO L349 BasicCegarLoop]: Found error trace [2018-07-23 13:41:03,579 INFO L357 BasicCegarLoop]: trace histogram [36, 35, 1, 1, 1] [2018-07-23 13:41:03,579 INFO L414 AbstractCegarLoop]: === Iteration 36 === [ULTIMATE.startErr0AssertViolationASSERT]=== [2018-07-23 13:41:03,579 INFO L82 PathProgramCache]: Analyzing trace with hash -35882518, now seen corresponding path program 35 times [2018-07-23 13:41:03,579 INFO L69 tionRefinementEngine]: Using refinement strategy FixedRefinementStrategy [2018-07-23 13:41:03,592 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-07-23 13:41:03,707 INFO L134 CoverageAnalysis]: Checked inductivity of 1260 backedges. 0 proven. 1260 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2018-07-23 13:41:03,707 INFO L309 seRefinementStrategy]: Constructing automaton from 0 perfect and 1 imperfect interpolant sequences. [2018-07-23 13:41:03,707 INFO L324 seRefinementStrategy]: Number of different interpolants: perfect sequences [] imperfect sequences [38] total 38 [2018-07-23 13:41:03,707 INFO L142 lantAutomatonBuilder]: Constructing canonical interpolant automaton, with selfloop in false state [2018-07-23 13:41:03,708 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2018-07-23 13:41:03,708 INFO L185 omatonBuilderFactory]: Interpolants [8024#true, 8025#false, 8026#(<= ULTIMATE.start_main_~x~4 0), 8027#(<= ULTIMATE.start_main_~x~4 1), 8028#(<= ULTIMATE.start_main_~x~4 2), 8029#(<= ULTIMATE.start_main_~x~4 3), 8030#(<= ULTIMATE.start_main_~x~4 4), 8031#(<= ULTIMATE.start_main_~x~4 5), 8032#(<= ULTIMATE.start_main_~x~4 6), 8033#(<= ULTIMATE.start_main_~x~4 7), 8034#(<= ULTIMATE.start_main_~x~4 8), 8035#(<= ULTIMATE.start_main_~x~4 9), 8036#(<= ULTIMATE.start_main_~x~4 10), 8037#(<= ULTIMATE.start_main_~x~4 11), 8038#(<= ULTIMATE.start_main_~x~4 12), 8039#(<= ULTIMATE.start_main_~x~4 13), 8040#(<= ULTIMATE.start_main_~x~4 14), 8041#(<= ULTIMATE.start_main_~x~4 15), 8042#(<= ULTIMATE.start_main_~x~4 16), 8043#(<= ULTIMATE.start_main_~x~4 17), 8044#(<= ULTIMATE.start_main_~x~4 18), 8045#(<= ULTIMATE.start_main_~x~4 19), 8046#(<= ULTIMATE.start_main_~x~4 20), 8047#(<= ULTIMATE.start_main_~x~4 21), 8048#(<= ULTIMATE.start_main_~x~4 22), 8049#(<= ULTIMATE.start_main_~x~4 23), 8050#(<= ULTIMATE.start_main_~x~4 24), 8051#(<= ULTIMATE.start_main_~x~4 25), 8052#(<= ULTIMATE.start_main_~x~4 26), 8053#(<= ULTIMATE.start_main_~x~4 27), 8054#(<= ULTIMATE.start_main_~x~4 28), 8055#(<= ULTIMATE.start_main_~x~4 29), 8056#(<= ULTIMATE.start_main_~x~4 30), 8057#(<= ULTIMATE.start_main_~x~4 31), 8058#(<= ULTIMATE.start_main_~x~4 32), 8059#(<= ULTIMATE.start_main_~x~4 33), 8060#(<= ULTIMATE.start_main_~x~4 34), 8061#(and (<= ULTIMATE.start_main_~x~4 35) (<= 0 ULTIMATE.start_main_~y~4)), 8062#(<= 1 ULTIMATE.start_main_~y~4)] [2018-07-23 13:41:03,708 INFO L134 CoverageAnalysis]: Checked inductivity of 1260 backedges. 0 proven. 1260 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2018-07-23 13:41:03,709 INFO L450 AbstractCegarLoop]: Interpolant automaton has 39 states [2018-07-23 13:41:03,709 INFO L132 InterpolantAutomaton]: Constructing interpolant automaton starting with 39 interpolants. [2018-07-23 13:41:03,709 INFO L133 InterpolantAutomaton]: CoverageRelationStatistics Valid=670, Invalid=812, Unknown=0, NotChecked=0, Total=1482 [2018-07-23 13:41:03,710 INFO L87 Difference]: Start difference. First operand 75 states and 75 transitions. Second operand 39 states. [2018-07-23 13:41:04,014 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2018-07-23 13:41:04,014 INFO L93 Difference]: Finished difference Result 80 states and 80 transitions. [2018-07-23 13:41:04,015 INFO L142 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 40 states. [2018-07-23 13:41:04,015 INFO L78 Accepts]: Start accepts. Automaton has 39 states. Word has length 74 [2018-07-23 13:41:04,015 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2018-07-23 13:41:04,016 INFO L225 Difference]: With dead ends: 80 [2018-07-23 13:41:04,016 INFO L226 Difference]: Without dead ends: 78 [2018-07-23 13:41:04,018 INFO L575 BasicCegarLoop]: 0 DeclaredPredicates, 75 GetRequests, 1 SyntacticMatches, 0 SemanticMatches, 74 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 733 ImplicationChecksByTransitivity, 0.3s TimeCoverageRelationStatistics Valid=2113, Invalid=3587, Unknown=0, NotChecked=0, Total=5700 [2018-07-23 13:41:04,018 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 78 states. [2018-07-23 13:41:04,023 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 78 to 77. [2018-07-23 13:41:04,024 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 77 states. [2018-07-23 13:41:04,024 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 77 states to 77 states and 77 transitions. [2018-07-23 13:41:04,024 INFO L78 Accepts]: Start accepts. Automaton has 77 states and 77 transitions. Word has length 74 [2018-07-23 13:41:04,025 INFO L84 Accepts]: Finished accepts. word is rejected. [2018-07-23 13:41:04,025 INFO L471 AbstractCegarLoop]: Abstraction has 77 states and 77 transitions. [2018-07-23 13:41:04,025 INFO L472 AbstractCegarLoop]: Interpolant automaton has 39 states. [2018-07-23 13:41:04,025 INFO L276 IsEmpty]: Start isEmpty. Operand 77 states and 77 transitions. [2018-07-23 13:41:04,026 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 77 [2018-07-23 13:41:04,026 INFO L349 BasicCegarLoop]: Found error trace [2018-07-23 13:41:04,026 INFO L357 BasicCegarLoop]: trace histogram [37, 36, 1, 1, 1] [2018-07-23 13:41:04,026 INFO L414 AbstractCegarLoop]: === Iteration 37 === [ULTIMATE.startErr0AssertViolationASSERT]=== [2018-07-23 13:41:04,027 INFO L82 PathProgramCache]: Analyzing trace with hash -123297648, now seen corresponding path program 36 times [2018-07-23 13:41:04,027 INFO L69 tionRefinementEngine]: Using refinement strategy FixedRefinementStrategy [2018-07-23 13:41:04,042 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-07-23 13:41:04,186 INFO L134 CoverageAnalysis]: Checked inductivity of 1332 backedges. 0 proven. 1332 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2018-07-23 13:41:04,186 INFO L309 seRefinementStrategy]: Constructing automaton from 0 perfect and 1 imperfect interpolant sequences. [2018-07-23 13:41:04,187 INFO L324 seRefinementStrategy]: Number of different interpolants: perfect sequences [] imperfect sequences [39] total 39 [2018-07-23 13:41:04,187 INFO L142 lantAutomatonBuilder]: Constructing canonical interpolant automaton, with selfloop in false state [2018-07-23 13:41:04,187 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2018-07-23 13:41:04,187 INFO L185 omatonBuilderFactory]: Interpolants [8451#true, 8452#false, 8453#(<= ULTIMATE.start_main_~x~4 0), 8454#(<= ULTIMATE.start_main_~x~4 1), 8455#(<= ULTIMATE.start_main_~x~4 2), 8456#(<= ULTIMATE.start_main_~x~4 3), 8457#(<= ULTIMATE.start_main_~x~4 4), 8458#(<= ULTIMATE.start_main_~x~4 5), 8459#(<= ULTIMATE.start_main_~x~4 6), 8460#(<= ULTIMATE.start_main_~x~4 7), 8461#(<= ULTIMATE.start_main_~x~4 8), 8462#(<= ULTIMATE.start_main_~x~4 9), 8463#(<= ULTIMATE.start_main_~x~4 10), 8464#(<= ULTIMATE.start_main_~x~4 11), 8465#(<= ULTIMATE.start_main_~x~4 12), 8466#(<= ULTIMATE.start_main_~x~4 13), 8467#(<= ULTIMATE.start_main_~x~4 14), 8468#(<= ULTIMATE.start_main_~x~4 15), 8469#(<= ULTIMATE.start_main_~x~4 16), 8470#(<= ULTIMATE.start_main_~x~4 17), 8471#(<= ULTIMATE.start_main_~x~4 18), 8472#(<= ULTIMATE.start_main_~x~4 19), 8473#(<= ULTIMATE.start_main_~x~4 20), 8474#(<= ULTIMATE.start_main_~x~4 21), 8475#(<= ULTIMATE.start_main_~x~4 22), 8476#(<= ULTIMATE.start_main_~x~4 23), 8477#(<= ULTIMATE.start_main_~x~4 24), 8478#(<= ULTIMATE.start_main_~x~4 25), 8479#(<= ULTIMATE.start_main_~x~4 26), 8480#(<= ULTIMATE.start_main_~x~4 27), 8481#(<= ULTIMATE.start_main_~x~4 28), 8482#(<= ULTIMATE.start_main_~x~4 29), 8483#(<= ULTIMATE.start_main_~x~4 30), 8484#(<= ULTIMATE.start_main_~x~4 31), 8485#(<= ULTIMATE.start_main_~x~4 32), 8486#(<= ULTIMATE.start_main_~x~4 33), 8487#(<= ULTIMATE.start_main_~x~4 34), 8488#(<= ULTIMATE.start_main_~x~4 35), 8489#(and (<= 0 ULTIMATE.start_main_~y~4) (<= ULTIMATE.start_main_~x~4 36)), 8490#(<= 1 ULTIMATE.start_main_~y~4)] [2018-07-23 13:41:04,188 INFO L134 CoverageAnalysis]: Checked inductivity of 1332 backedges. 0 proven. 1332 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2018-07-23 13:41:04,188 INFO L450 AbstractCegarLoop]: Interpolant automaton has 40 states [2018-07-23 13:41:04,189 INFO L132 InterpolantAutomaton]: Constructing interpolant automaton starting with 40 interpolants. [2018-07-23 13:41:04,189 INFO L133 InterpolantAutomaton]: CoverageRelationStatistics Valid=707, Invalid=853, Unknown=0, NotChecked=0, Total=1560 [2018-07-23 13:41:04,189 INFO L87 Difference]: Start difference. First operand 77 states and 77 transitions. Second operand 40 states. [2018-07-23 13:41:04,554 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2018-07-23 13:41:04,555 INFO L93 Difference]: Finished difference Result 82 states and 82 transitions. [2018-07-23 13:41:04,555 INFO L142 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 41 states. [2018-07-23 13:41:04,555 INFO L78 Accepts]: Start accepts. Automaton has 40 states. Word has length 76 [2018-07-23 13:41:04,555 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2018-07-23 13:41:04,556 INFO L225 Difference]: With dead ends: 82 [2018-07-23 13:41:04,556 INFO L226 Difference]: Without dead ends: 80 [2018-07-23 13:41:04,557 INFO L575 BasicCegarLoop]: 0 DeclaredPredicates, 77 GetRequests, 1 SyntacticMatches, 0 SemanticMatches, 76 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 772 ImplicationChecksByTransitivity, 0.3s TimeCoverageRelationStatistics Valid=2227, Invalid=3779, Unknown=0, NotChecked=0, Total=6006 [2018-07-23 13:41:04,558 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 80 states. [2018-07-23 13:41:04,562 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 80 to 79. [2018-07-23 13:41:04,562 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 79 states. [2018-07-23 13:41:04,563 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 79 states to 79 states and 79 transitions. [2018-07-23 13:41:04,563 INFO L78 Accepts]: Start accepts. Automaton has 79 states and 79 transitions. Word has length 76 [2018-07-23 13:41:04,563 INFO L84 Accepts]: Finished accepts. word is rejected. [2018-07-23 13:41:04,563 INFO L471 AbstractCegarLoop]: Abstraction has 79 states and 79 transitions. [2018-07-23 13:41:04,563 INFO L472 AbstractCegarLoop]: Interpolant automaton has 40 states. [2018-07-23 13:41:04,564 INFO L276 IsEmpty]: Start isEmpty. Operand 79 states and 79 transitions. [2018-07-23 13:41:04,564 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 79 [2018-07-23 13:41:04,567 INFO L349 BasicCegarLoop]: Found error trace [2018-07-23 13:41:04,567 INFO L357 BasicCegarLoop]: trace histogram [38, 37, 1, 1, 1] [2018-07-23 13:41:04,567 INFO L414 AbstractCegarLoop]: === Iteration 38 === [ULTIMATE.startErr0AssertViolationASSERT]=== [2018-07-23 13:41:04,569 INFO L82 PathProgramCache]: Analyzing trace with hash 1770108342, now seen corresponding path program 37 times [2018-07-23 13:41:04,569 INFO L69 tionRefinementEngine]: Using refinement strategy FixedRefinementStrategy [2018-07-23 13:41:04,592 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-07-23 13:41:04,718 INFO L134 CoverageAnalysis]: Checked inductivity of 1406 backedges. 0 proven. 1406 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2018-07-23 13:41:04,719 INFO L309 seRefinementStrategy]: Constructing automaton from 0 perfect and 1 imperfect interpolant sequences. [2018-07-23 13:41:04,719 INFO L324 seRefinementStrategy]: Number of different interpolants: perfect sequences [] imperfect sequences [40] total 40 [2018-07-23 13:41:04,719 INFO L142 lantAutomatonBuilder]: Constructing canonical interpolant automaton, with selfloop in false state [2018-07-23 13:41:04,720 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2018-07-23 13:41:04,720 INFO L185 omatonBuilderFactory]: Interpolants [8896#(<= ULTIMATE.start_main_~x~4 5), 8897#(<= ULTIMATE.start_main_~x~4 6), 8898#(<= ULTIMATE.start_main_~x~4 7), 8899#(<= ULTIMATE.start_main_~x~4 8), 8900#(<= ULTIMATE.start_main_~x~4 9), 8901#(<= ULTIMATE.start_main_~x~4 10), 8902#(<= ULTIMATE.start_main_~x~4 11), 8903#(<= ULTIMATE.start_main_~x~4 12), 8904#(<= ULTIMATE.start_main_~x~4 13), 8905#(<= ULTIMATE.start_main_~x~4 14), 8906#(<= ULTIMATE.start_main_~x~4 15), 8907#(<= ULTIMATE.start_main_~x~4 16), 8908#(<= ULTIMATE.start_main_~x~4 17), 8909#(<= ULTIMATE.start_main_~x~4 18), 8910#(<= ULTIMATE.start_main_~x~4 19), 8911#(<= ULTIMATE.start_main_~x~4 20), 8912#(<= ULTIMATE.start_main_~x~4 21), 8913#(<= ULTIMATE.start_main_~x~4 22), 8914#(<= ULTIMATE.start_main_~x~4 23), 8915#(<= ULTIMATE.start_main_~x~4 24), 8916#(<= ULTIMATE.start_main_~x~4 25), 8917#(<= ULTIMATE.start_main_~x~4 26), 8918#(<= ULTIMATE.start_main_~x~4 27), 8919#(<= ULTIMATE.start_main_~x~4 28), 8920#(<= ULTIMATE.start_main_~x~4 29), 8921#(<= ULTIMATE.start_main_~x~4 30), 8922#(<= ULTIMATE.start_main_~x~4 31), 8923#(<= ULTIMATE.start_main_~x~4 32), 8924#(<= ULTIMATE.start_main_~x~4 33), 8925#(<= ULTIMATE.start_main_~x~4 34), 8926#(<= ULTIMATE.start_main_~x~4 35), 8927#(<= ULTIMATE.start_main_~x~4 36), 8928#(and (<= ULTIMATE.start_main_~x~4 37) (<= 0 ULTIMATE.start_main_~y~4)), 8929#(<= 1 ULTIMATE.start_main_~y~4), 8889#true, 8890#false, 8891#(<= ULTIMATE.start_main_~x~4 0), 8892#(<= ULTIMATE.start_main_~x~4 1), 8893#(<= ULTIMATE.start_main_~x~4 2), 8894#(<= ULTIMATE.start_main_~x~4 3), 8895#(<= ULTIMATE.start_main_~x~4 4)] [2018-07-23 13:41:04,720 INFO L134 CoverageAnalysis]: Checked inductivity of 1406 backedges. 0 proven. 1406 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2018-07-23 13:41:04,721 INFO L450 AbstractCegarLoop]: Interpolant automaton has 41 states [2018-07-23 13:41:04,721 INFO L132 InterpolantAutomaton]: Constructing interpolant automaton starting with 41 interpolants. [2018-07-23 13:41:04,722 INFO L133 InterpolantAutomaton]: CoverageRelationStatistics Valid=745, Invalid=895, Unknown=0, NotChecked=0, Total=1640 [2018-07-23 13:41:04,722 INFO L87 Difference]: Start difference. First operand 79 states and 79 transitions. Second operand 41 states. [2018-07-23 13:41:04,963 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2018-07-23 13:41:04,963 INFO L93 Difference]: Finished difference Result 84 states and 84 transitions. [2018-07-23 13:41:04,963 INFO L142 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 42 states. [2018-07-23 13:41:04,963 INFO L78 Accepts]: Start accepts. Automaton has 41 states. Word has length 78 [2018-07-23 13:41:04,964 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2018-07-23 13:41:04,964 INFO L225 Difference]: With dead ends: 84 [2018-07-23 13:41:04,964 INFO L226 Difference]: Without dead ends: 82 [2018-07-23 13:41:04,966 INFO L575 BasicCegarLoop]: 0 DeclaredPredicates, 79 GetRequests, 1 SyntacticMatches, 0 SemanticMatches, 78 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 812 ImplicationChecksByTransitivity, 0.2s TimeCoverageRelationStatistics Valid=2344, Invalid=3976, Unknown=0, NotChecked=0, Total=6320 [2018-07-23 13:41:04,968 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 82 states. [2018-07-23 13:41:04,973 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 82 to 81. [2018-07-23 13:41:04,973 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 81 states. [2018-07-23 13:41:04,973 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 81 states to 81 states and 81 transitions. [2018-07-23 13:41:04,973 INFO L78 Accepts]: Start accepts. Automaton has 81 states and 81 transitions. Word has length 78 [2018-07-23 13:41:04,974 INFO L84 Accepts]: Finished accepts. word is rejected. [2018-07-23 13:41:04,974 INFO L471 AbstractCegarLoop]: Abstraction has 81 states and 81 transitions. [2018-07-23 13:41:04,974 INFO L472 AbstractCegarLoop]: Interpolant automaton has 41 states. [2018-07-23 13:41:04,974 INFO L276 IsEmpty]: Start isEmpty. Operand 81 states and 81 transitions. [2018-07-23 13:41:04,974 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 81 [2018-07-23 13:41:04,975 INFO L349 BasicCegarLoop]: Found error trace [2018-07-23 13:41:04,975 INFO L357 BasicCegarLoop]: trace histogram [39, 38, 1, 1, 1] [2018-07-23 13:41:04,975 INFO L414 AbstractCegarLoop]: === Iteration 39 === [ULTIMATE.startErr0AssertViolationASSERT]=== [2018-07-23 13:41:04,975 INFO L82 PathProgramCache]: Analyzing trace with hash 267131228, now seen corresponding path program 38 times [2018-07-23 13:41:04,975 INFO L69 tionRefinementEngine]: Using refinement strategy FixedRefinementStrategy [2018-07-23 13:41:04,987 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-07-23 13:41:05,093 INFO L134 CoverageAnalysis]: Checked inductivity of 1482 backedges. 0 proven. 1482 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2018-07-23 13:41:05,093 INFO L309 seRefinementStrategy]: Constructing automaton from 0 perfect and 1 imperfect interpolant sequences. [2018-07-23 13:41:05,094 INFO L324 seRefinementStrategy]: Number of different interpolants: perfect sequences [] imperfect sequences [41] total 41 [2018-07-23 13:41:05,094 INFO L142 lantAutomatonBuilder]: Constructing canonical interpolant automaton, with selfloop in false state [2018-07-23 13:41:05,094 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2018-07-23 13:41:05,094 INFO L185 omatonBuilderFactory]: Interpolants [9344#(<= ULTIMATE.start_main_~x~4 4), 9345#(<= ULTIMATE.start_main_~x~4 5), 9346#(<= ULTIMATE.start_main_~x~4 6), 9347#(<= ULTIMATE.start_main_~x~4 7), 9348#(<= ULTIMATE.start_main_~x~4 8), 9349#(<= ULTIMATE.start_main_~x~4 9), 9350#(<= ULTIMATE.start_main_~x~4 10), 9351#(<= ULTIMATE.start_main_~x~4 11), 9352#(<= ULTIMATE.start_main_~x~4 12), 9353#(<= ULTIMATE.start_main_~x~4 13), 9354#(<= ULTIMATE.start_main_~x~4 14), 9355#(<= ULTIMATE.start_main_~x~4 15), 9356#(<= ULTIMATE.start_main_~x~4 16), 9357#(<= ULTIMATE.start_main_~x~4 17), 9358#(<= ULTIMATE.start_main_~x~4 18), 9359#(<= ULTIMATE.start_main_~x~4 19), 9360#(<= ULTIMATE.start_main_~x~4 20), 9361#(<= ULTIMATE.start_main_~x~4 21), 9362#(<= ULTIMATE.start_main_~x~4 22), 9363#(<= ULTIMATE.start_main_~x~4 23), 9364#(<= ULTIMATE.start_main_~x~4 24), 9365#(<= ULTIMATE.start_main_~x~4 25), 9366#(<= ULTIMATE.start_main_~x~4 26), 9367#(<= ULTIMATE.start_main_~x~4 27), 9368#(<= ULTIMATE.start_main_~x~4 28), 9369#(<= ULTIMATE.start_main_~x~4 29), 9370#(<= ULTIMATE.start_main_~x~4 30), 9371#(<= ULTIMATE.start_main_~x~4 31), 9372#(<= ULTIMATE.start_main_~x~4 32), 9373#(<= ULTIMATE.start_main_~x~4 33), 9374#(<= ULTIMATE.start_main_~x~4 34), 9375#(<= ULTIMATE.start_main_~x~4 35), 9376#(<= ULTIMATE.start_main_~x~4 36), 9377#(<= ULTIMATE.start_main_~x~4 37), 9378#(and (<= ULTIMATE.start_main_~x~4 38) (<= 0 ULTIMATE.start_main_~y~4)), 9379#(<= 1 ULTIMATE.start_main_~y~4), 9338#true, 9339#false, 9340#(<= ULTIMATE.start_main_~x~4 0), 9341#(<= ULTIMATE.start_main_~x~4 1), 9342#(<= ULTIMATE.start_main_~x~4 2), 9343#(<= ULTIMATE.start_main_~x~4 3)] [2018-07-23 13:41:05,095 INFO L134 CoverageAnalysis]: Checked inductivity of 1482 backedges. 0 proven. 1482 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2018-07-23 13:41:05,095 INFO L450 AbstractCegarLoop]: Interpolant automaton has 42 states [2018-07-23 13:41:05,095 INFO L132 InterpolantAutomaton]: Constructing interpolant automaton starting with 42 interpolants. [2018-07-23 13:41:05,096 INFO L133 InterpolantAutomaton]: CoverageRelationStatistics Valid=784, Invalid=938, Unknown=0, NotChecked=0, Total=1722 [2018-07-23 13:41:05,096 INFO L87 Difference]: Start difference. First operand 81 states and 81 transitions. Second operand 42 states. [2018-07-23 13:41:05,357 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2018-07-23 13:41:05,357 INFO L93 Difference]: Finished difference Result 86 states and 86 transitions. [2018-07-23 13:41:05,357 INFO L142 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 43 states. [2018-07-23 13:41:05,358 INFO L78 Accepts]: Start accepts. Automaton has 42 states. Word has length 80 [2018-07-23 13:41:05,358 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2018-07-23 13:41:05,358 INFO L225 Difference]: With dead ends: 86 [2018-07-23 13:41:05,359 INFO L226 Difference]: Without dead ends: 84 [2018-07-23 13:41:05,361 INFO L575 BasicCegarLoop]: 0 DeclaredPredicates, 81 GetRequests, 1 SyntacticMatches, 0 SemanticMatches, 80 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 853 ImplicationChecksByTransitivity, 0.2s TimeCoverageRelationStatistics Valid=2464, Invalid=4178, Unknown=0, NotChecked=0, Total=6642 [2018-07-23 13:41:05,361 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 84 states. [2018-07-23 13:41:05,366 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 84 to 83. [2018-07-23 13:41:05,367 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 83 states. [2018-07-23 13:41:05,367 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 83 states to 83 states and 83 transitions. [2018-07-23 13:41:05,367 INFO L78 Accepts]: Start accepts. Automaton has 83 states and 83 transitions. Word has length 80 [2018-07-23 13:41:05,368 INFO L84 Accepts]: Finished accepts. word is rejected. [2018-07-23 13:41:05,368 INFO L471 AbstractCegarLoop]: Abstraction has 83 states and 83 transitions. [2018-07-23 13:41:05,368 INFO L472 AbstractCegarLoop]: Interpolant automaton has 42 states. [2018-07-23 13:41:05,368 INFO L276 IsEmpty]: Start isEmpty. Operand 83 states and 83 transitions. [2018-07-23 13:41:05,368 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 83 [2018-07-23 13:41:05,369 INFO L349 BasicCegarLoop]: Found error trace [2018-07-23 13:41:05,369 INFO L357 BasicCegarLoop]: trace histogram [40, 39, 1, 1, 1] [2018-07-23 13:41:05,369 INFO L414 AbstractCegarLoop]: === Iteration 40 === [ULTIMATE.startErr0AssertViolationASSERT]=== [2018-07-23 13:41:05,369 INFO L82 PathProgramCache]: Analyzing trace with hash -984863870, now seen corresponding path program 39 times [2018-07-23 13:41:05,369 INFO L69 tionRefinementEngine]: Using refinement strategy FixedRefinementStrategy [2018-07-23 13:41:05,382 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-07-23 13:41:05,506 INFO L134 CoverageAnalysis]: Checked inductivity of 1560 backedges. 0 proven. 1560 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2018-07-23 13:41:05,507 INFO L309 seRefinementStrategy]: Constructing automaton from 0 perfect and 1 imperfect interpolant sequences. [2018-07-23 13:41:05,507 INFO L324 seRefinementStrategy]: Number of different interpolants: perfect sequences [] imperfect sequences [42] total 42 [2018-07-23 13:41:05,507 INFO L142 lantAutomatonBuilder]: Constructing canonical interpolant automaton, with selfloop in false state [2018-07-23 13:41:05,507 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2018-07-23 13:41:05,508 INFO L185 omatonBuilderFactory]: Interpolants [9798#true, 9799#false, 9800#(<= ULTIMATE.start_main_~x~4 0), 9801#(<= ULTIMATE.start_main_~x~4 1), 9802#(<= ULTIMATE.start_main_~x~4 2), 9803#(<= ULTIMATE.start_main_~x~4 3), 9804#(<= ULTIMATE.start_main_~x~4 4), 9805#(<= ULTIMATE.start_main_~x~4 5), 9806#(<= ULTIMATE.start_main_~x~4 6), 9807#(<= ULTIMATE.start_main_~x~4 7), 9808#(<= ULTIMATE.start_main_~x~4 8), 9809#(<= ULTIMATE.start_main_~x~4 9), 9810#(<= ULTIMATE.start_main_~x~4 10), 9811#(<= ULTIMATE.start_main_~x~4 11), 9812#(<= ULTIMATE.start_main_~x~4 12), 9813#(<= ULTIMATE.start_main_~x~4 13), 9814#(<= ULTIMATE.start_main_~x~4 14), 9815#(<= ULTIMATE.start_main_~x~4 15), 9816#(<= ULTIMATE.start_main_~x~4 16), 9817#(<= ULTIMATE.start_main_~x~4 17), 9818#(<= ULTIMATE.start_main_~x~4 18), 9819#(<= ULTIMATE.start_main_~x~4 19), 9820#(<= ULTIMATE.start_main_~x~4 20), 9821#(<= ULTIMATE.start_main_~x~4 21), 9822#(<= ULTIMATE.start_main_~x~4 22), 9823#(<= ULTIMATE.start_main_~x~4 23), 9824#(<= ULTIMATE.start_main_~x~4 24), 9825#(<= ULTIMATE.start_main_~x~4 25), 9826#(<= ULTIMATE.start_main_~x~4 26), 9827#(<= ULTIMATE.start_main_~x~4 27), 9828#(<= ULTIMATE.start_main_~x~4 28), 9829#(<= ULTIMATE.start_main_~x~4 29), 9830#(<= ULTIMATE.start_main_~x~4 30), 9831#(<= ULTIMATE.start_main_~x~4 31), 9832#(<= ULTIMATE.start_main_~x~4 32), 9833#(<= ULTIMATE.start_main_~x~4 33), 9834#(<= ULTIMATE.start_main_~x~4 34), 9835#(<= ULTIMATE.start_main_~x~4 35), 9836#(<= ULTIMATE.start_main_~x~4 36), 9837#(<= ULTIMATE.start_main_~x~4 37), 9838#(<= ULTIMATE.start_main_~x~4 38), 9839#(and (<= 0 ULTIMATE.start_main_~y~4) (<= ULTIMATE.start_main_~x~4 39)), 9840#(<= 1 ULTIMATE.start_main_~y~4)] [2018-07-23 13:41:05,508 INFO L134 CoverageAnalysis]: Checked inductivity of 1560 backedges. 0 proven. 1560 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2018-07-23 13:41:05,508 INFO L450 AbstractCegarLoop]: Interpolant automaton has 43 states [2018-07-23 13:41:05,509 INFO L132 InterpolantAutomaton]: Constructing interpolant automaton starting with 43 interpolants. [2018-07-23 13:41:05,509 INFO L133 InterpolantAutomaton]: CoverageRelationStatistics Valid=824, Invalid=982, Unknown=0, NotChecked=0, Total=1806 [2018-07-23 13:41:05,510 INFO L87 Difference]: Start difference. First operand 83 states and 83 transitions. Second operand 43 states. [2018-07-23 13:41:05,789 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2018-07-23 13:41:05,789 INFO L93 Difference]: Finished difference Result 88 states and 88 transitions. [2018-07-23 13:41:05,789 INFO L142 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 44 states. [2018-07-23 13:41:05,789 INFO L78 Accepts]: Start accepts. Automaton has 43 states. Word has length 82 [2018-07-23 13:41:05,789 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2018-07-23 13:41:05,790 INFO L225 Difference]: With dead ends: 88 [2018-07-23 13:41:05,790 INFO L226 Difference]: Without dead ends: 86 [2018-07-23 13:41:05,792 INFO L575 BasicCegarLoop]: 0 DeclaredPredicates, 83 GetRequests, 1 SyntacticMatches, 0 SemanticMatches, 82 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 895 ImplicationChecksByTransitivity, 0.2s TimeCoverageRelationStatistics Valid=2587, Invalid=4385, Unknown=0, NotChecked=0, Total=6972 [2018-07-23 13:41:05,792 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 86 states. [2018-07-23 13:41:05,797 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 86 to 85. [2018-07-23 13:41:05,798 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 85 states. [2018-07-23 13:41:05,798 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 85 states to 85 states and 85 transitions. [2018-07-23 13:41:05,798 INFO L78 Accepts]: Start accepts. Automaton has 85 states and 85 transitions. Word has length 82 [2018-07-23 13:41:05,798 INFO L84 Accepts]: Finished accepts. word is rejected. [2018-07-23 13:41:05,798 INFO L471 AbstractCegarLoop]: Abstraction has 85 states and 85 transitions. [2018-07-23 13:41:05,799 INFO L472 AbstractCegarLoop]: Interpolant automaton has 43 states. [2018-07-23 13:41:05,799 INFO L276 IsEmpty]: Start isEmpty. Operand 85 states and 85 transitions. [2018-07-23 13:41:05,799 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 85 [2018-07-23 13:41:05,799 INFO L349 BasicCegarLoop]: Found error trace [2018-07-23 13:41:05,799 INFO L357 BasicCegarLoop]: trace histogram [41, 40, 1, 1, 1] [2018-07-23 13:41:05,800 INFO L414 AbstractCegarLoop]: === Iteration 41 === [ULTIMATE.startErr0AssertViolationASSERT]=== [2018-07-23 13:41:05,800 INFO L82 PathProgramCache]: Analyzing trace with hash -1561310168, now seen corresponding path program 40 times [2018-07-23 13:41:05,800 INFO L69 tionRefinementEngine]: Using refinement strategy FixedRefinementStrategy [2018-07-23 13:41:05,813 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-07-23 13:41:05,932 INFO L134 CoverageAnalysis]: Checked inductivity of 1640 backedges. 0 proven. 1640 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2018-07-23 13:41:05,933 INFO L309 seRefinementStrategy]: Constructing automaton from 0 perfect and 1 imperfect interpolant sequences. [2018-07-23 13:41:05,933 INFO L324 seRefinementStrategy]: Number of different interpolants: perfect sequences [] imperfect sequences [43] total 43 [2018-07-23 13:41:05,933 INFO L142 lantAutomatonBuilder]: Constructing canonical interpolant automaton, with selfloop in false state [2018-07-23 13:41:05,936 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 13:41:05,937 INFO L185 omatonBuilderFactory]: Interpolants [10304#(<= ULTIMATE.start_main_~x~4 33), 10305#(<= ULTIMATE.start_main_~x~4 34), 10306#(<= ULTIMATE.start_main_~x~4 35), 10307#(<= ULTIMATE.start_main_~x~4 36), 10308#(<= ULTIMATE.start_main_~x~4 37), 10309#(<= ULTIMATE.start_main_~x~4 38), 10310#(<= ULTIMATE.start_main_~x~4 39), 10311#(and (<= ULTIMATE.start_main_~x~4 40) (<= 0 ULTIMATE.start_main_~y~4)), 10312#(<= 1 ULTIMATE.start_main_~y~4), 10269#true, 10270#false, 10271#(<= ULTIMATE.start_main_~x~4 0), 10272#(<= ULTIMATE.start_main_~x~4 1), 10273#(<= ULTIMATE.start_main_~x~4 2), 10274#(<= ULTIMATE.start_main_~x~4 3), 10275#(<= ULTIMATE.start_main_~x~4 4), 10276#(<= ULTIMATE.start_main_~x~4 5), 10277#(<= ULTIMATE.start_main_~x~4 6), 10278#(<= ULTIMATE.start_main_~x~4 7), 10279#(<= ULTIMATE.start_main_~x~4 8), 10280#(<= ULTIMATE.start_main_~x~4 9), 10281#(<= ULTIMATE.start_main_~x~4 10), 10282#(<= ULTIMATE.start_main_~x~4 11), 10283#(<= ULTIMATE.start_main_~x~4 12), 10284#(<= ULTIMATE.start_main_~x~4 13), 10285#(<= ULTIMATE.start_main_~x~4 14), 10286#(<= ULTIMATE.start_main_~x~4 15), 10287#(<= ULTIMATE.start_main_~x~4 16), 10288#(<= ULTIMATE.start_main_~x~4 17), 10289#(<= ULTIMATE.start_main_~x~4 18), 10290#(<= ULTIMATE.start_main_~x~4 19), 10291#(<= ULTIMATE.start_main_~x~4 20), 10292#(<= ULTIMATE.start_main_~x~4 21), 10293#(<= ULTIMATE.start_main_~x~4 22), 10294#(<= ULTIMATE.start_main_~x~4 23), 10295#(<= ULTIMATE.start_main_~x~4 24), 10296#(<= ULTIMATE.start_main_~x~4 25), 10297#(<= ULTIMATE.start_main_~x~4 26), 10298#(<= ULTIMATE.start_main_~x~4 27), 10299#(<= ULTIMATE.start_main_~x~4 28), 10300#(<= ULTIMATE.start_main_~x~4 29), 10301#(<= ULTIMATE.start_main_~x~4 30), 10302#(<= ULTIMATE.start_main_~x~4 31), 10303#(<= ULTIMATE.start_main_~x~4 32)] [2018-07-23 13:41:05,937 INFO L134 CoverageAnalysis]: Checked inductivity of 1640 backedges. 0 proven. 1640 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2018-07-23 13:41:05,937 INFO L450 AbstractCegarLoop]: Interpolant automaton has 44 states [2018-07-23 13:41:05,938 INFO L132 InterpolantAutomaton]: Constructing interpolant automaton starting with 44 interpolants. [2018-07-23 13:41:05,938 INFO L133 InterpolantAutomaton]: CoverageRelationStatistics Valid=865, Invalid=1027, Unknown=0, NotChecked=0, Total=1892 [2018-07-23 13:41:05,939 INFO L87 Difference]: Start difference. First operand 85 states and 85 transitions. Second operand 44 states. [2018-07-23 13:41:06,225 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2018-07-23 13:41:06,225 INFO L93 Difference]: Finished difference Result 90 states and 90 transitions. [2018-07-23 13:41:06,225 INFO L142 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 45 states. [2018-07-23 13:41:06,225 INFO L78 Accepts]: Start accepts. Automaton has 44 states. Word has length 84 [2018-07-23 13:41:06,226 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2018-07-23 13:41:06,226 INFO L225 Difference]: With dead ends: 90 [2018-07-23 13:41:06,226 INFO L226 Difference]: Without dead ends: 88 [2018-07-23 13:41:06,230 INFO L575 BasicCegarLoop]: 0 DeclaredPredicates, 85 GetRequests, 1 SyntacticMatches, 0 SemanticMatches, 84 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 938 ImplicationChecksByTransitivity, 0.3s TimeCoverageRelationStatistics Valid=2713, Invalid=4597, Unknown=0, NotChecked=0, Total=7310 [2018-07-23 13:41:06,230 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 88 states. [2018-07-23 13:41:06,235 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 88 to 87. [2018-07-23 13:41:06,235 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 87 states. [2018-07-23 13:41:06,236 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 87 states to 87 states and 87 transitions. [2018-07-23 13:41:06,236 INFO L78 Accepts]: Start accepts. Automaton has 87 states and 87 transitions. Word has length 84 [2018-07-23 13:41:06,236 INFO L84 Accepts]: Finished accepts. word is rejected. [2018-07-23 13:41:06,236 INFO L471 AbstractCegarLoop]: Abstraction has 87 states and 87 transitions. [2018-07-23 13:41:06,236 INFO L472 AbstractCegarLoop]: Interpolant automaton has 44 states. [2018-07-23 13:41:06,237 INFO L276 IsEmpty]: Start isEmpty. Operand 87 states and 87 transitions. [2018-07-23 13:41:06,237 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 87 [2018-07-23 13:41:06,237 INFO L349 BasicCegarLoop]: Found error trace [2018-07-23 13:41:06,237 INFO L357 BasicCegarLoop]: trace histogram [42, 41, 1, 1, 1] [2018-07-23 13:41:06,238 INFO L414 AbstractCegarLoop]: === Iteration 42 === [ULTIMATE.startErr0AssertViolationASSERT]=== [2018-07-23 13:41:06,238 INFO L82 PathProgramCache]: Analyzing trace with hash -1475421362, now seen corresponding path program 41 times [2018-07-23 13:41:06,238 INFO L69 tionRefinementEngine]: Using refinement strategy FixedRefinementStrategy [2018-07-23 13:41:06,254 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-07-23 13:41:06,381 INFO L134 CoverageAnalysis]: Checked inductivity of 1722 backedges. 0 proven. 1722 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2018-07-23 13:41:06,381 INFO L309 seRefinementStrategy]: Constructing automaton from 0 perfect and 1 imperfect interpolant sequences. [2018-07-23 13:41:06,381 INFO L324 seRefinementStrategy]: Number of different interpolants: perfect sequences [] imperfect sequences [44] total 44 [2018-07-23 13:41:06,381 INFO L142 lantAutomatonBuilder]: Constructing canonical interpolant automaton, with selfloop in false state [2018-07-23 13:41:06,382 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 13:41:06,382 INFO L185 omatonBuilderFactory]: Interpolants [10752#false, 10753#(<= ULTIMATE.start_main_~x~4 0), 10754#(<= ULTIMATE.start_main_~x~4 1), 10755#(<= ULTIMATE.start_main_~x~4 2), 10756#(<= ULTIMATE.start_main_~x~4 3), 10757#(<= ULTIMATE.start_main_~x~4 4), 10758#(<= ULTIMATE.start_main_~x~4 5), 10759#(<= ULTIMATE.start_main_~x~4 6), 10760#(<= ULTIMATE.start_main_~x~4 7), 10761#(<= ULTIMATE.start_main_~x~4 8), 10762#(<= ULTIMATE.start_main_~x~4 9), 10763#(<= ULTIMATE.start_main_~x~4 10), 10764#(<= ULTIMATE.start_main_~x~4 11), 10765#(<= ULTIMATE.start_main_~x~4 12), 10766#(<= ULTIMATE.start_main_~x~4 13), 10767#(<= ULTIMATE.start_main_~x~4 14), 10768#(<= ULTIMATE.start_main_~x~4 15), 10769#(<= ULTIMATE.start_main_~x~4 16), 10770#(<= ULTIMATE.start_main_~x~4 17), 10771#(<= ULTIMATE.start_main_~x~4 18), 10772#(<= ULTIMATE.start_main_~x~4 19), 10773#(<= ULTIMATE.start_main_~x~4 20), 10774#(<= ULTIMATE.start_main_~x~4 21), 10775#(<= ULTIMATE.start_main_~x~4 22), 10776#(<= ULTIMATE.start_main_~x~4 23), 10777#(<= ULTIMATE.start_main_~x~4 24), 10778#(<= ULTIMATE.start_main_~x~4 25), 10779#(<= ULTIMATE.start_main_~x~4 26), 10780#(<= ULTIMATE.start_main_~x~4 27), 10781#(<= ULTIMATE.start_main_~x~4 28), 10782#(<= ULTIMATE.start_main_~x~4 29), 10783#(<= ULTIMATE.start_main_~x~4 30), 10784#(<= ULTIMATE.start_main_~x~4 31), 10785#(<= ULTIMATE.start_main_~x~4 32), 10786#(<= ULTIMATE.start_main_~x~4 33), 10787#(<= ULTIMATE.start_main_~x~4 34), 10788#(<= ULTIMATE.start_main_~x~4 35), 10789#(<= ULTIMATE.start_main_~x~4 36), 10790#(<= ULTIMATE.start_main_~x~4 37), 10791#(<= ULTIMATE.start_main_~x~4 38), 10792#(<= ULTIMATE.start_main_~x~4 39), 10793#(<= ULTIMATE.start_main_~x~4 40), 10794#(and (<= ULTIMATE.start_main_~x~4 41) (<= 0 ULTIMATE.start_main_~y~4)), 10795#(<= 1 ULTIMATE.start_main_~y~4), 10751#true] [2018-07-23 13:41:06,382 INFO L134 CoverageAnalysis]: Checked inductivity of 1722 backedges. 0 proven. 1722 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2018-07-23 13:41:06,383 INFO L450 AbstractCegarLoop]: Interpolant automaton has 45 states [2018-07-23 13:41:06,383 INFO L132 InterpolantAutomaton]: Constructing interpolant automaton starting with 45 interpolants. [2018-07-23 13:41:06,384 INFO L133 InterpolantAutomaton]: CoverageRelationStatistics Valid=907, Invalid=1073, Unknown=0, NotChecked=0, Total=1980 [2018-07-23 13:41:06,384 INFO L87 Difference]: Start difference. First operand 87 states and 87 transitions. Second operand 45 states. [2018-07-23 13:41:06,695 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2018-07-23 13:41:06,696 INFO L93 Difference]: Finished difference Result 92 states and 92 transitions. [2018-07-23 13:41:06,696 INFO L142 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 46 states. [2018-07-23 13:41:06,696 INFO L78 Accepts]: Start accepts. Automaton has 45 states. Word has length 86 [2018-07-23 13:41:06,696 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2018-07-23 13:41:06,697 INFO L225 Difference]: With dead ends: 92 [2018-07-23 13:41:06,697 INFO L226 Difference]: Without dead ends: 90 [2018-07-23 13:41:06,700 INFO L575 BasicCegarLoop]: 0 DeclaredPredicates, 87 GetRequests, 1 SyntacticMatches, 0 SemanticMatches, 86 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 982 ImplicationChecksByTransitivity, 0.3s TimeCoverageRelationStatistics Valid=2842, Invalid=4814, Unknown=0, NotChecked=0, Total=7656 [2018-07-23 13:41:06,700 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 90 states. [2018-07-23 13:41:06,706 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 90 to 89. [2018-07-23 13:41:06,706 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 89 states. [2018-07-23 13:41:06,707 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 89 states to 89 states and 89 transitions. [2018-07-23 13:41:06,707 INFO L78 Accepts]: Start accepts. Automaton has 89 states and 89 transitions. Word has length 86 [2018-07-23 13:41:06,707 INFO L84 Accepts]: Finished accepts. word is rejected. [2018-07-23 13:41:06,707 INFO L471 AbstractCegarLoop]: Abstraction has 89 states and 89 transitions. [2018-07-23 13:41:06,707 INFO L472 AbstractCegarLoop]: Interpolant automaton has 45 states. [2018-07-23 13:41:06,707 INFO L276 IsEmpty]: Start isEmpty. Operand 89 states and 89 transitions. [2018-07-23 13:41:06,708 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 89 [2018-07-23 13:41:06,708 INFO L349 BasicCegarLoop]: Found error trace [2018-07-23 13:41:06,708 INFO L357 BasicCegarLoop]: trace histogram [43, 42, 1, 1, 1] [2018-07-23 13:41:06,708 INFO L414 AbstractCegarLoop]: === Iteration 43 === [ULTIMATE.startErr0AssertViolationASSERT]=== [2018-07-23 13:41:06,709 INFO L82 PathProgramCache]: Analyzing trace with hash -540657420, now seen corresponding path program 42 times [2018-07-23 13:41:06,709 INFO L69 tionRefinementEngine]: Using refinement strategy FixedRefinementStrategy [2018-07-23 13:41:06,727 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-07-23 13:41:06,859 INFO L134 CoverageAnalysis]: Checked inductivity of 1806 backedges. 0 proven. 1806 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2018-07-23 13:41:06,860 INFO L309 seRefinementStrategy]: Constructing automaton from 0 perfect and 1 imperfect interpolant sequences. [2018-07-23 13:41:06,860 INFO L324 seRefinementStrategy]: Number of different interpolants: perfect sequences [] imperfect sequences [45] total 45 [2018-07-23 13:41:06,860 INFO L142 lantAutomatonBuilder]: Constructing canonical interpolant automaton, with selfloop in false state [2018-07-23 13:41:06,860 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2018-07-23 13:41:06,861 INFO L185 omatonBuilderFactory]: Interpolants [11264#(<= ULTIMATE.start_main_~x~4 18), 11265#(<= ULTIMATE.start_main_~x~4 19), 11266#(<= ULTIMATE.start_main_~x~4 20), 11267#(<= ULTIMATE.start_main_~x~4 21), 11268#(<= ULTIMATE.start_main_~x~4 22), 11269#(<= ULTIMATE.start_main_~x~4 23), 11270#(<= ULTIMATE.start_main_~x~4 24), 11271#(<= ULTIMATE.start_main_~x~4 25), 11272#(<= ULTIMATE.start_main_~x~4 26), 11273#(<= ULTIMATE.start_main_~x~4 27), 11274#(<= ULTIMATE.start_main_~x~4 28), 11275#(<= ULTIMATE.start_main_~x~4 29), 11276#(<= ULTIMATE.start_main_~x~4 30), 11277#(<= ULTIMATE.start_main_~x~4 31), 11278#(<= ULTIMATE.start_main_~x~4 32), 11279#(<= ULTIMATE.start_main_~x~4 33), 11280#(<= ULTIMATE.start_main_~x~4 34), 11281#(<= ULTIMATE.start_main_~x~4 35), 11282#(<= ULTIMATE.start_main_~x~4 36), 11283#(<= ULTIMATE.start_main_~x~4 37), 11284#(<= ULTIMATE.start_main_~x~4 38), 11285#(<= ULTIMATE.start_main_~x~4 39), 11286#(<= ULTIMATE.start_main_~x~4 40), 11287#(<= ULTIMATE.start_main_~x~4 41), 11288#(and (<= 0 ULTIMATE.start_main_~y~4) (<= ULTIMATE.start_main_~x~4 42)), 11289#(<= 1 ULTIMATE.start_main_~y~4), 11244#true, 11245#false, 11246#(<= ULTIMATE.start_main_~x~4 0), 11247#(<= ULTIMATE.start_main_~x~4 1), 11248#(<= ULTIMATE.start_main_~x~4 2), 11249#(<= ULTIMATE.start_main_~x~4 3), 11250#(<= ULTIMATE.start_main_~x~4 4), 11251#(<= ULTIMATE.start_main_~x~4 5), 11252#(<= ULTIMATE.start_main_~x~4 6), 11253#(<= ULTIMATE.start_main_~x~4 7), 11254#(<= ULTIMATE.start_main_~x~4 8), 11255#(<= ULTIMATE.start_main_~x~4 9), 11256#(<= ULTIMATE.start_main_~x~4 10), 11257#(<= ULTIMATE.start_main_~x~4 11), 11258#(<= ULTIMATE.start_main_~x~4 12), 11259#(<= ULTIMATE.start_main_~x~4 13), 11260#(<= ULTIMATE.start_main_~x~4 14), 11261#(<= ULTIMATE.start_main_~x~4 15), 11262#(<= ULTIMATE.start_main_~x~4 16), 11263#(<= ULTIMATE.start_main_~x~4 17)] [2018-07-23 13:41:06,861 INFO L134 CoverageAnalysis]: Checked inductivity of 1806 backedges. 0 proven. 1806 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2018-07-23 13:41:06,862 INFO L450 AbstractCegarLoop]: Interpolant automaton has 46 states [2018-07-23 13:41:06,862 INFO L132 InterpolantAutomaton]: Constructing interpolant automaton starting with 46 interpolants. [2018-07-23 13:41:06,863 INFO L133 InterpolantAutomaton]: CoverageRelationStatistics Valid=950, Invalid=1120, Unknown=0, NotChecked=0, Total=2070 [2018-07-23 13:41:06,863 INFO L87 Difference]: Start difference. First operand 89 states and 89 transitions. Second operand 46 states. [2018-07-23 13:41:07,213 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2018-07-23 13:41:07,214 INFO L93 Difference]: Finished difference Result 94 states and 94 transitions. [2018-07-23 13:41:07,214 INFO L142 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 47 states. [2018-07-23 13:41:07,214 INFO L78 Accepts]: Start accepts. Automaton has 46 states. Word has length 88 [2018-07-23 13:41:07,214 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2018-07-23 13:41:07,215 INFO L225 Difference]: With dead ends: 94 [2018-07-23 13:41:07,215 INFO L226 Difference]: Without dead ends: 92 [2018-07-23 13:41:07,217 INFO L575 BasicCegarLoop]: 0 DeclaredPredicates, 89 GetRequests, 1 SyntacticMatches, 0 SemanticMatches, 88 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 1027 ImplicationChecksByTransitivity, 0.3s TimeCoverageRelationStatistics Valid=2974, Invalid=5036, Unknown=0, NotChecked=0, Total=8010 [2018-07-23 13:41:07,217 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 92 states. [2018-07-23 13:41:07,226 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 92 to 91. [2018-07-23 13:41:07,226 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 91 states. [2018-07-23 13:41:07,226 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 91 states to 91 states and 91 transitions. [2018-07-23 13:41:07,227 INFO L78 Accepts]: Start accepts. Automaton has 91 states and 91 transitions. Word has length 88 [2018-07-23 13:41:07,227 INFO L84 Accepts]: Finished accepts. word is rejected. [2018-07-23 13:41:07,227 INFO L471 AbstractCegarLoop]: Abstraction has 91 states and 91 transitions. [2018-07-23 13:41:07,227 INFO L472 AbstractCegarLoop]: Interpolant automaton has 46 states. [2018-07-23 13:41:07,227 INFO L276 IsEmpty]: Start isEmpty. Operand 91 states and 91 transitions. [2018-07-23 13:41:07,229 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 91 [2018-07-23 13:41:07,229 INFO L349 BasicCegarLoop]: Found error trace [2018-07-23 13:41:07,229 INFO L357 BasicCegarLoop]: trace histogram [44, 43, 1, 1, 1] [2018-07-23 13:41:07,229 INFO L414 AbstractCegarLoop]: === Iteration 44 === [ULTIMATE.startErr0AssertViolationASSERT]=== [2018-07-23 13:41:07,229 INFO L82 PathProgramCache]: Analyzing trace with hash 119325978, now seen corresponding path program 43 times [2018-07-23 13:41:07,230 INFO L69 tionRefinementEngine]: Using refinement strategy FixedRefinementStrategy [2018-07-23 13:41:07,250 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-07-23 13:41:07,423 INFO L134 CoverageAnalysis]: Checked inductivity of 1892 backedges. 0 proven. 1892 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2018-07-23 13:41:07,423 INFO L309 seRefinementStrategy]: Constructing automaton from 0 perfect and 1 imperfect interpolant sequences. [2018-07-23 13:41:07,423 INFO L324 seRefinementStrategy]: Number of different interpolants: perfect sequences [] imperfect sequences [46] total 46 [2018-07-23 13:41:07,424 INFO L142 lantAutomatonBuilder]: Constructing canonical interpolant automaton, with selfloop in false state [2018-07-23 13:41:07,425 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2018-07-23 13:41:07,425 INFO L185 omatonBuilderFactory]: Interpolants [11776#(<= ULTIMATE.start_main_~x~4 26), 11777#(<= ULTIMATE.start_main_~x~4 27), 11778#(<= ULTIMATE.start_main_~x~4 28), 11779#(<= ULTIMATE.start_main_~x~4 29), 11780#(<= ULTIMATE.start_main_~x~4 30), 11781#(<= ULTIMATE.start_main_~x~4 31), 11782#(<= ULTIMATE.start_main_~x~4 32), 11783#(<= ULTIMATE.start_main_~x~4 33), 11784#(<= ULTIMATE.start_main_~x~4 34), 11785#(<= ULTIMATE.start_main_~x~4 35), 11786#(<= ULTIMATE.start_main_~x~4 36), 11787#(<= ULTIMATE.start_main_~x~4 37), 11788#(<= ULTIMATE.start_main_~x~4 38), 11789#(<= ULTIMATE.start_main_~x~4 39), 11790#(<= ULTIMATE.start_main_~x~4 40), 11791#(<= ULTIMATE.start_main_~x~4 41), 11792#(<= ULTIMATE.start_main_~x~4 42), 11793#(and (<= ULTIMATE.start_main_~x~4 43) (<= 0 ULTIMATE.start_main_~y~4)), 11794#(<= 1 ULTIMATE.start_main_~y~4), 11748#true, 11749#false, 11750#(<= ULTIMATE.start_main_~x~4 0), 11751#(<= ULTIMATE.start_main_~x~4 1), 11752#(<= ULTIMATE.start_main_~x~4 2), 11753#(<= ULTIMATE.start_main_~x~4 3), 11754#(<= ULTIMATE.start_main_~x~4 4), 11755#(<= ULTIMATE.start_main_~x~4 5), 11756#(<= ULTIMATE.start_main_~x~4 6), 11757#(<= ULTIMATE.start_main_~x~4 7), 11758#(<= ULTIMATE.start_main_~x~4 8), 11759#(<= ULTIMATE.start_main_~x~4 9), 11760#(<= ULTIMATE.start_main_~x~4 10), 11761#(<= ULTIMATE.start_main_~x~4 11), 11762#(<= ULTIMATE.start_main_~x~4 12), 11763#(<= ULTIMATE.start_main_~x~4 13), 11764#(<= ULTIMATE.start_main_~x~4 14), 11765#(<= ULTIMATE.start_main_~x~4 15), 11766#(<= ULTIMATE.start_main_~x~4 16), 11767#(<= ULTIMATE.start_main_~x~4 17), 11768#(<= ULTIMATE.start_main_~x~4 18), 11769#(<= ULTIMATE.start_main_~x~4 19), 11770#(<= ULTIMATE.start_main_~x~4 20), 11771#(<= ULTIMATE.start_main_~x~4 21), 11772#(<= ULTIMATE.start_main_~x~4 22), 11773#(<= ULTIMATE.start_main_~x~4 23), 11774#(<= ULTIMATE.start_main_~x~4 24), 11775#(<= ULTIMATE.start_main_~x~4 25)] [2018-07-23 13:41:07,426 INFO L134 CoverageAnalysis]: Checked inductivity of 1892 backedges. 0 proven. 1892 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2018-07-23 13:41:07,426 INFO L450 AbstractCegarLoop]: Interpolant automaton has 47 states [2018-07-23 13:41:07,427 INFO L132 InterpolantAutomaton]: Constructing interpolant automaton starting with 47 interpolants. [2018-07-23 13:41:07,427 INFO L133 InterpolantAutomaton]: CoverageRelationStatistics Valid=994, Invalid=1168, Unknown=0, NotChecked=0, Total=2162 [2018-07-23 13:41:07,427 INFO L87 Difference]: Start difference. First operand 91 states and 91 transitions. Second operand 47 states. [2018-07-23 13:41:07,815 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2018-07-23 13:41:07,816 INFO L93 Difference]: Finished difference Result 96 states and 96 transitions. [2018-07-23 13:41:07,816 INFO L142 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 48 states. [2018-07-23 13:41:07,816 INFO L78 Accepts]: Start accepts. Automaton has 47 states. Word has length 90 [2018-07-23 13:41:07,816 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2018-07-23 13:41:07,817 INFO L225 Difference]: With dead ends: 96 [2018-07-23 13:41:07,817 INFO L226 Difference]: Without dead ends: 94 [2018-07-23 13:41:07,818 INFO L575 BasicCegarLoop]: 0 DeclaredPredicates, 91 GetRequests, 1 SyntacticMatches, 0 SemanticMatches, 90 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 1073 ImplicationChecksByTransitivity, 0.4s TimeCoverageRelationStatistics Valid=3109, Invalid=5263, Unknown=0, NotChecked=0, Total=8372 [2018-07-23 13:41:07,818 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 94 states. [2018-07-23 13:41:07,824 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 94 to 93. [2018-07-23 13:41:07,824 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 93 states. [2018-07-23 13:41:07,825 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 93 states to 93 states and 93 transitions. [2018-07-23 13:41:07,825 INFO L78 Accepts]: Start accepts. Automaton has 93 states and 93 transitions. Word has length 90 [2018-07-23 13:41:07,825 INFO L84 Accepts]: Finished accepts. word is rejected. [2018-07-23 13:41:07,825 INFO L471 AbstractCegarLoop]: Abstraction has 93 states and 93 transitions. [2018-07-23 13:41:07,825 INFO L472 AbstractCegarLoop]: Interpolant automaton has 47 states. [2018-07-23 13:41:07,826 INFO L276 IsEmpty]: Start isEmpty. Operand 93 states and 93 transitions. [2018-07-23 13:41:07,826 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 93 [2018-07-23 13:41:07,826 INFO L349 BasicCegarLoop]: Found error trace [2018-07-23 13:41:07,826 INFO L357 BasicCegarLoop]: trace histogram [45, 44, 1, 1, 1] [2018-07-23 13:41:07,827 INFO L414 AbstractCegarLoop]: === Iteration 45 === [ULTIMATE.startErr0AssertViolationASSERT]=== [2018-07-23 13:41:07,827 INFO L82 PathProgramCache]: Analyzing trace with hash -1291788352, now seen corresponding path program 44 times [2018-07-23 13:41:07,827 INFO L69 tionRefinementEngine]: Using refinement strategy FixedRefinementStrategy [2018-07-23 13:41:07,840 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-07-23 13:41:07,965 INFO L134 CoverageAnalysis]: Checked inductivity of 1980 backedges. 0 proven. 1980 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2018-07-23 13:41:07,965 INFO L309 seRefinementStrategy]: Constructing automaton from 0 perfect and 1 imperfect interpolant sequences. [2018-07-23 13:41:07,968 INFO L324 seRefinementStrategy]: Number of different interpolants: perfect sequences [] imperfect sequences [47] total 47 [2018-07-23 13:41:07,968 INFO L142 lantAutomatonBuilder]: Constructing canonical interpolant automaton, with selfloop in false state [2018-07-23 13:41:07,969 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2018-07-23 13:41:07,969 INFO L185 omatonBuilderFactory]: Interpolants [12288#(<= ULTIMATE.start_main_~x~4 23), 12289#(<= ULTIMATE.start_main_~x~4 24), 12290#(<= ULTIMATE.start_main_~x~4 25), 12291#(<= ULTIMATE.start_main_~x~4 26), 12292#(<= ULTIMATE.start_main_~x~4 27), 12293#(<= ULTIMATE.start_main_~x~4 28), 12294#(<= ULTIMATE.start_main_~x~4 29), 12295#(<= ULTIMATE.start_main_~x~4 30), 12296#(<= ULTIMATE.start_main_~x~4 31), 12297#(<= ULTIMATE.start_main_~x~4 32), 12298#(<= ULTIMATE.start_main_~x~4 33), 12299#(<= ULTIMATE.start_main_~x~4 34), 12300#(<= ULTIMATE.start_main_~x~4 35), 12301#(<= ULTIMATE.start_main_~x~4 36), 12302#(<= ULTIMATE.start_main_~x~4 37), 12303#(<= ULTIMATE.start_main_~x~4 38), 12304#(<= ULTIMATE.start_main_~x~4 39), 12305#(<= ULTIMATE.start_main_~x~4 40), 12306#(<= ULTIMATE.start_main_~x~4 41), 12307#(<= ULTIMATE.start_main_~x~4 42), 12308#(<= ULTIMATE.start_main_~x~4 43), 12309#(and (<= ULTIMATE.start_main_~x~4 44) (<= 0 ULTIMATE.start_main_~y~4)), 12310#(<= 1 ULTIMATE.start_main_~y~4), 12263#true, 12264#false, 12265#(<= ULTIMATE.start_main_~x~4 0), 12266#(<= ULTIMATE.start_main_~x~4 1), 12267#(<= ULTIMATE.start_main_~x~4 2), 12268#(<= ULTIMATE.start_main_~x~4 3), 12269#(<= ULTIMATE.start_main_~x~4 4), 12270#(<= ULTIMATE.start_main_~x~4 5), 12271#(<= ULTIMATE.start_main_~x~4 6), 12272#(<= ULTIMATE.start_main_~x~4 7), 12273#(<= ULTIMATE.start_main_~x~4 8), 12274#(<= ULTIMATE.start_main_~x~4 9), 12275#(<= ULTIMATE.start_main_~x~4 10), 12276#(<= ULTIMATE.start_main_~x~4 11), 12277#(<= ULTIMATE.start_main_~x~4 12), 12278#(<= ULTIMATE.start_main_~x~4 13), 12279#(<= ULTIMATE.start_main_~x~4 14), 12280#(<= ULTIMATE.start_main_~x~4 15), 12281#(<= ULTIMATE.start_main_~x~4 16), 12282#(<= ULTIMATE.start_main_~x~4 17), 12283#(<= ULTIMATE.start_main_~x~4 18), 12284#(<= ULTIMATE.start_main_~x~4 19), 12285#(<= ULTIMATE.start_main_~x~4 20), 12286#(<= ULTIMATE.start_main_~x~4 21), 12287#(<= ULTIMATE.start_main_~x~4 22)] [2018-07-23 13:41:07,969 INFO L134 CoverageAnalysis]: Checked inductivity of 1980 backedges. 0 proven. 1980 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2018-07-23 13:41:07,970 INFO L450 AbstractCegarLoop]: Interpolant automaton has 48 states [2018-07-23 13:41:07,970 INFO L132 InterpolantAutomaton]: Constructing interpolant automaton starting with 48 interpolants. [2018-07-23 13:41:07,970 INFO L133 InterpolantAutomaton]: CoverageRelationStatistics Valid=1039, Invalid=1217, Unknown=0, NotChecked=0, Total=2256 [2018-07-23 13:41:07,971 INFO L87 Difference]: Start difference. First operand 93 states and 93 transitions. Second operand 48 states. [2018-07-23 13:41:08,279 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2018-07-23 13:41:08,280 INFO L93 Difference]: Finished difference Result 98 states and 98 transitions. [2018-07-23 13:41:08,280 INFO L142 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 49 states. [2018-07-23 13:41:08,280 INFO L78 Accepts]: Start accepts. Automaton has 48 states. Word has length 92 [2018-07-23 13:41:08,280 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2018-07-23 13:41:08,281 INFO L225 Difference]: With dead ends: 98 [2018-07-23 13:41:08,281 INFO L226 Difference]: Without dead ends: 96 [2018-07-23 13:41:08,283 INFO L575 BasicCegarLoop]: 0 DeclaredPredicates, 93 GetRequests, 1 SyntacticMatches, 0 SemanticMatches, 92 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 1120 ImplicationChecksByTransitivity, 0.3s TimeCoverageRelationStatistics Valid=3247, Invalid=5495, Unknown=0, NotChecked=0, Total=8742 [2018-07-23 13:41:08,283 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 96 states. [2018-07-23 13:41:08,289 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 96 to 95. [2018-07-23 13:41:08,289 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 95 states. [2018-07-23 13:41:08,289 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 95 states to 95 states and 95 transitions. [2018-07-23 13:41:08,289 INFO L78 Accepts]: Start accepts. Automaton has 95 states and 95 transitions. Word has length 92 [2018-07-23 13:41:08,290 INFO L84 Accepts]: Finished accepts. word is rejected. [2018-07-23 13:41:08,290 INFO L471 AbstractCegarLoop]: Abstraction has 95 states and 95 transitions. [2018-07-23 13:41:08,290 INFO L472 AbstractCegarLoop]: Interpolant automaton has 48 states. [2018-07-23 13:41:08,290 INFO L276 IsEmpty]: Start isEmpty. Operand 95 states and 95 transitions. [2018-07-23 13:41:08,291 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 95 [2018-07-23 13:41:08,291 INFO L349 BasicCegarLoop]: Found error trace [2018-07-23 13:41:08,291 INFO L357 BasicCegarLoop]: trace histogram [46, 45, 1, 1, 1] [2018-07-23 13:41:08,291 INFO L414 AbstractCegarLoop]: === Iteration 46 === [ULTIMATE.startErr0AssertViolationASSERT]=== [2018-07-23 13:41:08,291 INFO L82 PathProgramCache]: Analyzing trace with hash -162993946, now seen corresponding path program 45 times [2018-07-23 13:41:08,292 INFO L69 tionRefinementEngine]: Using refinement strategy FixedRefinementStrategy [2018-07-23 13:41:08,307 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-07-23 13:41:08,447 INFO L134 CoverageAnalysis]: Checked inductivity of 2070 backedges. 0 proven. 2070 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2018-07-23 13:41:08,447 INFO L309 seRefinementStrategy]: Constructing automaton from 0 perfect and 1 imperfect interpolant sequences. [2018-07-23 13:41:08,448 INFO L324 seRefinementStrategy]: Number of different interpolants: perfect sequences [] imperfect sequences [48] total 48 [2018-07-23 13:41:08,448 INFO L142 lantAutomatonBuilder]: Constructing canonical interpolant automaton, with selfloop in false state [2018-07-23 13:41:08,448 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2018-07-23 13:41:08,448 INFO L185 omatonBuilderFactory]: Interpolants [12800#(<= ULTIMATE.start_main_~x~4 9), 12801#(<= ULTIMATE.start_main_~x~4 10), 12802#(<= ULTIMATE.start_main_~x~4 11), 12803#(<= ULTIMATE.start_main_~x~4 12), 12804#(<= ULTIMATE.start_main_~x~4 13), 12805#(<= ULTIMATE.start_main_~x~4 14), 12806#(<= ULTIMATE.start_main_~x~4 15), 12807#(<= ULTIMATE.start_main_~x~4 16), 12808#(<= ULTIMATE.start_main_~x~4 17), 12809#(<= ULTIMATE.start_main_~x~4 18), 12810#(<= ULTIMATE.start_main_~x~4 19), 12811#(<= ULTIMATE.start_main_~x~4 20), 12812#(<= ULTIMATE.start_main_~x~4 21), 12813#(<= ULTIMATE.start_main_~x~4 22), 12814#(<= ULTIMATE.start_main_~x~4 23), 12815#(<= ULTIMATE.start_main_~x~4 24), 12816#(<= ULTIMATE.start_main_~x~4 25), 12817#(<= ULTIMATE.start_main_~x~4 26), 12818#(<= ULTIMATE.start_main_~x~4 27), 12819#(<= ULTIMATE.start_main_~x~4 28), 12820#(<= ULTIMATE.start_main_~x~4 29), 12821#(<= ULTIMATE.start_main_~x~4 30), 12822#(<= ULTIMATE.start_main_~x~4 31), 12823#(<= ULTIMATE.start_main_~x~4 32), 12824#(<= ULTIMATE.start_main_~x~4 33), 12825#(<= ULTIMATE.start_main_~x~4 34), 12826#(<= ULTIMATE.start_main_~x~4 35), 12827#(<= ULTIMATE.start_main_~x~4 36), 12828#(<= ULTIMATE.start_main_~x~4 37), 12829#(<= ULTIMATE.start_main_~x~4 38), 12830#(<= ULTIMATE.start_main_~x~4 39), 12831#(<= ULTIMATE.start_main_~x~4 40), 12832#(<= ULTIMATE.start_main_~x~4 41), 12833#(<= ULTIMATE.start_main_~x~4 42), 12834#(<= ULTIMATE.start_main_~x~4 43), 12835#(<= ULTIMATE.start_main_~x~4 44), 12836#(and (<= 0 ULTIMATE.start_main_~y~4) (<= ULTIMATE.start_main_~x~4 45)), 12837#(<= 1 ULTIMATE.start_main_~y~4), 12789#true, 12790#false, 12791#(<= ULTIMATE.start_main_~x~4 0), 12792#(<= ULTIMATE.start_main_~x~4 1), 12793#(<= ULTIMATE.start_main_~x~4 2), 12794#(<= ULTIMATE.start_main_~x~4 3), 12795#(<= ULTIMATE.start_main_~x~4 4), 12796#(<= ULTIMATE.start_main_~x~4 5), 12797#(<= ULTIMATE.start_main_~x~4 6), 12798#(<= ULTIMATE.start_main_~x~4 7), 12799#(<= ULTIMATE.start_main_~x~4 8)] [2018-07-23 13:41:08,449 INFO L134 CoverageAnalysis]: Checked inductivity of 2070 backedges. 0 proven. 2070 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2018-07-23 13:41:08,449 INFO L450 AbstractCegarLoop]: Interpolant automaton has 49 states [2018-07-23 13:41:08,450 INFO L132 InterpolantAutomaton]: Constructing interpolant automaton starting with 49 interpolants. [2018-07-23 13:41:08,450 INFO L133 InterpolantAutomaton]: CoverageRelationStatistics Valid=1085, Invalid=1267, Unknown=0, NotChecked=0, Total=2352 [2018-07-23 13:41:08,450 INFO L87 Difference]: Start difference. First operand 95 states and 95 transitions. Second operand 49 states. [2018-07-23 13:41:08,771 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2018-07-23 13:41:08,771 INFO L93 Difference]: Finished difference Result 100 states and 100 transitions. [2018-07-23 13:41:08,771 INFO L142 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 50 states. [2018-07-23 13:41:08,772 INFO L78 Accepts]: Start accepts. Automaton has 49 states. Word has length 94 [2018-07-23 13:41:08,772 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2018-07-23 13:41:08,772 INFO L225 Difference]: With dead ends: 100 [2018-07-23 13:41:08,773 INFO L226 Difference]: Without dead ends: 98 [2018-07-23 13:41:08,774 INFO L575 BasicCegarLoop]: 0 DeclaredPredicates, 95 GetRequests, 1 SyntacticMatches, 0 SemanticMatches, 94 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 1168 ImplicationChecksByTransitivity, 0.3s TimeCoverageRelationStatistics Valid=3388, Invalid=5732, Unknown=0, NotChecked=0, Total=9120 [2018-07-23 13:41:08,774 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 98 states. [2018-07-23 13:41:08,780 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 98 to 97. [2018-07-23 13:41:08,780 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 97 states. [2018-07-23 13:41:08,781 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 97 states to 97 states and 97 transitions. [2018-07-23 13:41:08,781 INFO L78 Accepts]: Start accepts. Automaton has 97 states and 97 transitions. Word has length 94 [2018-07-23 13:41:08,781 INFO L84 Accepts]: Finished accepts. word is rejected. [2018-07-23 13:41:08,781 INFO L471 AbstractCegarLoop]: Abstraction has 97 states and 97 transitions. [2018-07-23 13:41:08,781 INFO L472 AbstractCegarLoop]: Interpolant automaton has 49 states. [2018-07-23 13:41:08,781 INFO L276 IsEmpty]: Start isEmpty. Operand 97 states and 97 transitions. [2018-07-23 13:41:08,782 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 97 [2018-07-23 13:41:08,782 INFO L349 BasicCegarLoop]: Found error trace [2018-07-23 13:41:08,782 INFO L357 BasicCegarLoop]: trace histogram [47, 46, 1, 1, 1] [2018-07-23 13:41:08,783 INFO L414 AbstractCegarLoop]: === Iteration 47 === [ULTIMATE.startErr0AssertViolationASSERT]=== [2018-07-23 13:41:08,783 INFO L82 PathProgramCache]: Analyzing trace with hash -2018295668, now seen corresponding path program 46 times [2018-07-23 13:41:08,783 INFO L69 tionRefinementEngine]: Using refinement strategy FixedRefinementStrategy [2018-07-23 13:41:08,799 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-07-23 13:41:08,935 INFO L134 CoverageAnalysis]: Checked inductivity of 2162 backedges. 0 proven. 2162 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2018-07-23 13:41:08,935 INFO L309 seRefinementStrategy]: Constructing automaton from 0 perfect and 1 imperfect interpolant sequences. [2018-07-23 13:41:08,935 INFO L324 seRefinementStrategy]: Number of different interpolants: perfect sequences [] imperfect sequences [49] total 49 [2018-07-23 13:41:08,935 INFO L142 lantAutomatonBuilder]: Constructing canonical interpolant automaton, with selfloop in false state [2018-07-23 13:41:08,936 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 13:41:08,936 INFO L185 omatonBuilderFactory]: Interpolants [13326#true, 13327#false, 13328#(<= ULTIMATE.start_main_~x~4 0), 13329#(<= ULTIMATE.start_main_~x~4 1), 13330#(<= ULTIMATE.start_main_~x~4 2), 13331#(<= ULTIMATE.start_main_~x~4 3), 13332#(<= ULTIMATE.start_main_~x~4 4), 13333#(<= ULTIMATE.start_main_~x~4 5), 13334#(<= ULTIMATE.start_main_~x~4 6), 13335#(<= ULTIMATE.start_main_~x~4 7), 13336#(<= ULTIMATE.start_main_~x~4 8), 13337#(<= ULTIMATE.start_main_~x~4 9), 13338#(<= ULTIMATE.start_main_~x~4 10), 13339#(<= ULTIMATE.start_main_~x~4 11), 13340#(<= ULTIMATE.start_main_~x~4 12), 13341#(<= ULTIMATE.start_main_~x~4 13), 13342#(<= ULTIMATE.start_main_~x~4 14), 13343#(<= ULTIMATE.start_main_~x~4 15), 13344#(<= ULTIMATE.start_main_~x~4 16), 13345#(<= ULTIMATE.start_main_~x~4 17), 13346#(<= ULTIMATE.start_main_~x~4 18), 13347#(<= ULTIMATE.start_main_~x~4 19), 13348#(<= ULTIMATE.start_main_~x~4 20), 13349#(<= ULTIMATE.start_main_~x~4 21), 13350#(<= ULTIMATE.start_main_~x~4 22), 13351#(<= ULTIMATE.start_main_~x~4 23), 13352#(<= ULTIMATE.start_main_~x~4 24), 13353#(<= ULTIMATE.start_main_~x~4 25), 13354#(<= ULTIMATE.start_main_~x~4 26), 13355#(<= ULTIMATE.start_main_~x~4 27), 13356#(<= ULTIMATE.start_main_~x~4 28), 13357#(<= ULTIMATE.start_main_~x~4 29), 13358#(<= ULTIMATE.start_main_~x~4 30), 13359#(<= ULTIMATE.start_main_~x~4 31), 13360#(<= ULTIMATE.start_main_~x~4 32), 13361#(<= ULTIMATE.start_main_~x~4 33), 13362#(<= ULTIMATE.start_main_~x~4 34), 13363#(<= ULTIMATE.start_main_~x~4 35), 13364#(<= ULTIMATE.start_main_~x~4 36), 13365#(<= ULTIMATE.start_main_~x~4 37), 13366#(<= ULTIMATE.start_main_~x~4 38), 13367#(<= ULTIMATE.start_main_~x~4 39), 13368#(<= ULTIMATE.start_main_~x~4 40), 13369#(<= ULTIMATE.start_main_~x~4 41), 13370#(<= ULTIMATE.start_main_~x~4 42), 13371#(<= ULTIMATE.start_main_~x~4 43), 13372#(<= ULTIMATE.start_main_~x~4 44), 13373#(<= ULTIMATE.start_main_~x~4 45), 13374#(and (<= ULTIMATE.start_main_~x~4 46) (<= 0 ULTIMATE.start_main_~y~4)), 13375#(<= 1 ULTIMATE.start_main_~y~4)] [2018-07-23 13:41:08,937 INFO L134 CoverageAnalysis]: Checked inductivity of 2162 backedges. 0 proven. 2162 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2018-07-23 13:41:08,937 INFO L450 AbstractCegarLoop]: Interpolant automaton has 50 states [2018-07-23 13:41:08,937 INFO L132 InterpolantAutomaton]: Constructing interpolant automaton starting with 50 interpolants. [2018-07-23 13:41:08,937 INFO L133 InterpolantAutomaton]: CoverageRelationStatistics Valid=1132, Invalid=1318, Unknown=0, NotChecked=0, Total=2450 [2018-07-23 13:41:08,938 INFO L87 Difference]: Start difference. First operand 97 states and 97 transitions. Second operand 50 states. [2018-07-23 13:41:09,270 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2018-07-23 13:41:09,271 INFO L93 Difference]: Finished difference Result 102 states and 102 transitions. [2018-07-23 13:41:09,271 INFO L142 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 51 states. [2018-07-23 13:41:09,271 INFO L78 Accepts]: Start accepts. Automaton has 50 states. Word has length 96 [2018-07-23 13:41:09,271 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2018-07-23 13:41:09,272 INFO L225 Difference]: With dead ends: 102 [2018-07-23 13:41:09,272 INFO L226 Difference]: Without dead ends: 100 [2018-07-23 13:41:09,274 INFO L575 BasicCegarLoop]: 0 DeclaredPredicates, 97 GetRequests, 1 SyntacticMatches, 0 SemanticMatches, 96 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 1217 ImplicationChecksByTransitivity, 0.3s TimeCoverageRelationStatistics Valid=3532, Invalid=5974, Unknown=0, NotChecked=0, Total=9506 [2018-07-23 13:41:09,274 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 100 states. [2018-07-23 13:41:09,281 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 100 to 99. [2018-07-23 13:41:09,281 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 99 states. [2018-07-23 13:41:09,281 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 99 states to 99 states and 99 transitions. [2018-07-23 13:41:09,282 INFO L78 Accepts]: Start accepts. Automaton has 99 states and 99 transitions. Word has length 96 [2018-07-23 13:41:09,282 INFO L84 Accepts]: Finished accepts. word is rejected. [2018-07-23 13:41:09,282 INFO L471 AbstractCegarLoop]: Abstraction has 99 states and 99 transitions. [2018-07-23 13:41:09,282 INFO L472 AbstractCegarLoop]: Interpolant automaton has 50 states. [2018-07-23 13:41:09,282 INFO L276 IsEmpty]: Start isEmpty. Operand 99 states and 99 transitions. [2018-07-23 13:41:09,283 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 99 [2018-07-23 13:41:09,283 INFO L349 BasicCegarLoop]: Found error trace [2018-07-23 13:41:09,283 INFO L357 BasicCegarLoop]: trace histogram [48, 47, 1, 1, 1] [2018-07-23 13:41:09,283 INFO L414 AbstractCegarLoop]: === Iteration 48 === [ULTIMATE.startErr0AssertViolationASSERT]=== [2018-07-23 13:41:09,284 INFO L82 PathProgramCache]: Analyzing trace with hash 1743144626, now seen corresponding path program 47 times [2018-07-23 13:41:09,284 INFO L69 tionRefinementEngine]: Using refinement strategy FixedRefinementStrategy [2018-07-23 13:41:09,300 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-07-23 13:41:09,441 INFO L134 CoverageAnalysis]: Checked inductivity of 2256 backedges. 0 proven. 2256 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2018-07-23 13:41:09,441 INFO L309 seRefinementStrategy]: Constructing automaton from 0 perfect and 1 imperfect interpolant sequences. [2018-07-23 13:41:09,441 INFO L324 seRefinementStrategy]: Number of different interpolants: perfect sequences [] imperfect sequences [50] total 50 [2018-07-23 13:41:09,442 INFO L142 lantAutomatonBuilder]: Constructing canonical interpolant automaton, with selfloop in false state [2018-07-23 13:41:09,442 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2018-07-23 13:41:09,442 INFO L185 omatonBuilderFactory]: Interpolants [13874#true, 13875#false, 13876#(<= ULTIMATE.start_main_~x~4 0), 13877#(<= ULTIMATE.start_main_~x~4 1), 13878#(<= ULTIMATE.start_main_~x~4 2), 13879#(<= ULTIMATE.start_main_~x~4 3), 13880#(<= ULTIMATE.start_main_~x~4 4), 13881#(<= ULTIMATE.start_main_~x~4 5), 13882#(<= ULTIMATE.start_main_~x~4 6), 13883#(<= ULTIMATE.start_main_~x~4 7), 13884#(<= ULTIMATE.start_main_~x~4 8), 13885#(<= ULTIMATE.start_main_~x~4 9), 13886#(<= ULTIMATE.start_main_~x~4 10), 13887#(<= ULTIMATE.start_main_~x~4 11), 13888#(<= ULTIMATE.start_main_~x~4 12), 13889#(<= ULTIMATE.start_main_~x~4 13), 13890#(<= ULTIMATE.start_main_~x~4 14), 13891#(<= ULTIMATE.start_main_~x~4 15), 13892#(<= ULTIMATE.start_main_~x~4 16), 13893#(<= ULTIMATE.start_main_~x~4 17), 13894#(<= ULTIMATE.start_main_~x~4 18), 13895#(<= ULTIMATE.start_main_~x~4 19), 13896#(<= ULTIMATE.start_main_~x~4 20), 13897#(<= ULTIMATE.start_main_~x~4 21), 13898#(<= ULTIMATE.start_main_~x~4 22), 13899#(<= ULTIMATE.start_main_~x~4 23), 13900#(<= ULTIMATE.start_main_~x~4 24), 13901#(<= ULTIMATE.start_main_~x~4 25), 13902#(<= ULTIMATE.start_main_~x~4 26), 13903#(<= ULTIMATE.start_main_~x~4 27), 13904#(<= ULTIMATE.start_main_~x~4 28), 13905#(<= ULTIMATE.start_main_~x~4 29), 13906#(<= ULTIMATE.start_main_~x~4 30), 13907#(<= ULTIMATE.start_main_~x~4 31), 13908#(<= ULTIMATE.start_main_~x~4 32), 13909#(<= ULTIMATE.start_main_~x~4 33), 13910#(<= ULTIMATE.start_main_~x~4 34), 13911#(<= ULTIMATE.start_main_~x~4 35), 13912#(<= ULTIMATE.start_main_~x~4 36), 13913#(<= ULTIMATE.start_main_~x~4 37), 13914#(<= ULTIMATE.start_main_~x~4 38), 13915#(<= ULTIMATE.start_main_~x~4 39), 13916#(<= ULTIMATE.start_main_~x~4 40), 13917#(<= ULTIMATE.start_main_~x~4 41), 13918#(<= ULTIMATE.start_main_~x~4 42), 13919#(<= ULTIMATE.start_main_~x~4 43), 13920#(<= ULTIMATE.start_main_~x~4 44), 13921#(<= ULTIMATE.start_main_~x~4 45), 13922#(<= ULTIMATE.start_main_~x~4 46), 13923#(and (<= 0 ULTIMATE.start_main_~y~4) (<= ULTIMATE.start_main_~x~4 47)), 13924#(<= 1 ULTIMATE.start_main_~y~4)] [2018-07-23 13:41:09,443 INFO L134 CoverageAnalysis]: Checked inductivity of 2256 backedges. 0 proven. 2256 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2018-07-23 13:41:09,443 INFO L450 AbstractCegarLoop]: Interpolant automaton has 51 states [2018-07-23 13:41:09,443 INFO L132 InterpolantAutomaton]: Constructing interpolant automaton starting with 51 interpolants. [2018-07-23 13:41:09,444 INFO L133 InterpolantAutomaton]: CoverageRelationStatistics Valid=1180, Invalid=1370, Unknown=0, NotChecked=0, Total=2550 [2018-07-23 13:41:09,444 INFO L87 Difference]: Start difference. First operand 99 states and 99 transitions. Second operand 51 states. [2018-07-23 13:41:09,805 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2018-07-23 13:41:09,805 INFO L93 Difference]: Finished difference Result 104 states and 104 transitions. [2018-07-23 13:41:09,805 INFO L142 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 52 states. [2018-07-23 13:41:09,805 INFO L78 Accepts]: Start accepts. Automaton has 51 states. Word has length 98 [2018-07-23 13:41:09,806 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2018-07-23 13:41:09,806 INFO L225 Difference]: With dead ends: 104 [2018-07-23 13:41:09,806 INFO L226 Difference]: Without dead ends: 102 [2018-07-23 13:41:09,808 INFO L575 BasicCegarLoop]: 0 DeclaredPredicates, 99 GetRequests, 1 SyntacticMatches, 0 SemanticMatches, 98 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 1267 ImplicationChecksByTransitivity, 0.3s TimeCoverageRelationStatistics Valid=3679, Invalid=6221, Unknown=0, NotChecked=0, Total=9900 [2018-07-23 13:41:09,808 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 102 states. [2018-07-23 13:41:09,814 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 102 to 101. [2018-07-23 13:41:09,814 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 101 states. [2018-07-23 13:41:09,815 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 101 states to 101 states and 101 transitions. [2018-07-23 13:41:09,815 INFO L78 Accepts]: Start accepts. Automaton has 101 states and 101 transitions. Word has length 98 [2018-07-23 13:41:09,815 INFO L84 Accepts]: Finished accepts. word is rejected. [2018-07-23 13:41:09,815 INFO L471 AbstractCegarLoop]: Abstraction has 101 states and 101 transitions. [2018-07-23 13:41:09,815 INFO L472 AbstractCegarLoop]: Interpolant automaton has 51 states. [2018-07-23 13:41:09,816 INFO L276 IsEmpty]: Start isEmpty. Operand 101 states and 101 transitions. [2018-07-23 13:41:09,816 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 101 [2018-07-23 13:41:09,816 INFO L349 BasicCegarLoop]: Found error trace [2018-07-23 13:41:09,816 INFO L357 BasicCegarLoop]: trace histogram [49, 48, 1, 1, 1] [2018-07-23 13:41:09,817 INFO L414 AbstractCegarLoop]: === Iteration 49 === [ULTIMATE.startErr0AssertViolationASSERT]=== [2018-07-23 13:41:09,817 INFO L82 PathProgramCache]: Analyzing trace with hash 124803928, now seen corresponding path program 48 times [2018-07-23 13:41:09,817 INFO L69 tionRefinementEngine]: Using refinement strategy FixedRefinementStrategy [2018-07-23 13:41:09,833 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-07-23 13:41:09,971 INFO L134 CoverageAnalysis]: Checked inductivity of 2352 backedges. 0 proven. 2352 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2018-07-23 13:41:09,971 INFO L309 seRefinementStrategy]: Constructing automaton from 0 perfect and 1 imperfect interpolant sequences. [2018-07-23 13:41:09,972 INFO L324 seRefinementStrategy]: Number of different interpolants: perfect sequences [] imperfect sequences [51] total 51 [2018-07-23 13:41:09,972 INFO L142 lantAutomatonBuilder]: Constructing canonical interpolant automaton, with selfloop in false state [2018-07-23 13:41:09,972 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2018-07-23 13:41:09,972 INFO L185 omatonBuilderFactory]: Interpolants [14464#(<= ULTIMATE.start_main_~x~4 29), 14465#(<= ULTIMATE.start_main_~x~4 30), 14466#(<= ULTIMATE.start_main_~x~4 31), 14467#(<= ULTIMATE.start_main_~x~4 32), 14468#(<= ULTIMATE.start_main_~x~4 33), 14469#(<= ULTIMATE.start_main_~x~4 34), 14470#(<= ULTIMATE.start_main_~x~4 35), 14471#(<= ULTIMATE.start_main_~x~4 36), 14472#(<= ULTIMATE.start_main_~x~4 37), 14473#(<= ULTIMATE.start_main_~x~4 38), 14474#(<= ULTIMATE.start_main_~x~4 39), 14475#(<= ULTIMATE.start_main_~x~4 40), 14476#(<= ULTIMATE.start_main_~x~4 41), 14477#(<= ULTIMATE.start_main_~x~4 42), 14478#(<= ULTIMATE.start_main_~x~4 43), 14479#(<= ULTIMATE.start_main_~x~4 44), 14480#(<= ULTIMATE.start_main_~x~4 45), 14481#(<= ULTIMATE.start_main_~x~4 46), 14482#(<= ULTIMATE.start_main_~x~4 47), 14483#(and (<= 0 ULTIMATE.start_main_~y~4) (<= ULTIMATE.start_main_~x~4 48)), 14484#(<= 1 ULTIMATE.start_main_~y~4), 14433#true, 14434#false, 14435#(<= ULTIMATE.start_main_~x~4 0), 14436#(<= ULTIMATE.start_main_~x~4 1), 14437#(<= ULTIMATE.start_main_~x~4 2), 14438#(<= ULTIMATE.start_main_~x~4 3), 14439#(<= ULTIMATE.start_main_~x~4 4), 14440#(<= ULTIMATE.start_main_~x~4 5), 14441#(<= ULTIMATE.start_main_~x~4 6), 14442#(<= ULTIMATE.start_main_~x~4 7), 14443#(<= ULTIMATE.start_main_~x~4 8), 14444#(<= ULTIMATE.start_main_~x~4 9), 14445#(<= ULTIMATE.start_main_~x~4 10), 14446#(<= ULTIMATE.start_main_~x~4 11), 14447#(<= ULTIMATE.start_main_~x~4 12), 14448#(<= ULTIMATE.start_main_~x~4 13), 14449#(<= ULTIMATE.start_main_~x~4 14), 14450#(<= ULTIMATE.start_main_~x~4 15), 14451#(<= ULTIMATE.start_main_~x~4 16), 14452#(<= ULTIMATE.start_main_~x~4 17), 14453#(<= ULTIMATE.start_main_~x~4 18), 14454#(<= ULTIMATE.start_main_~x~4 19), 14455#(<= ULTIMATE.start_main_~x~4 20), 14456#(<= ULTIMATE.start_main_~x~4 21), 14457#(<= ULTIMATE.start_main_~x~4 22), 14458#(<= ULTIMATE.start_main_~x~4 23), 14459#(<= ULTIMATE.start_main_~x~4 24), 14460#(<= ULTIMATE.start_main_~x~4 25), 14461#(<= ULTIMATE.start_main_~x~4 26), 14462#(<= ULTIMATE.start_main_~x~4 27), 14463#(<= ULTIMATE.start_main_~x~4 28)] [2018-07-23 13:41:09,973 INFO L134 CoverageAnalysis]: Checked inductivity of 2352 backedges. 0 proven. 2352 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2018-07-23 13:41:09,973 INFO L450 AbstractCegarLoop]: Interpolant automaton has 52 states [2018-07-23 13:41:09,974 INFO L132 InterpolantAutomaton]: Constructing interpolant automaton starting with 52 interpolants. [2018-07-23 13:41:09,974 INFO L133 InterpolantAutomaton]: CoverageRelationStatistics Valid=1229, Invalid=1423, Unknown=0, NotChecked=0, Total=2652 [2018-07-23 13:41:09,974 INFO L87 Difference]: Start difference. First operand 101 states and 101 transitions. Second operand 52 states. [2018-07-23 13:41:10,338 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2018-07-23 13:41:10,338 INFO L93 Difference]: Finished difference Result 106 states and 106 transitions. [2018-07-23 13:41:10,338 INFO L142 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 53 states. [2018-07-23 13:41:10,338 INFO L78 Accepts]: Start accepts. Automaton has 52 states. Word has length 100 [2018-07-23 13:41:10,339 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2018-07-23 13:41:10,339 INFO L225 Difference]: With dead ends: 106 [2018-07-23 13:41:10,339 INFO L226 Difference]: Without dead ends: 104 [2018-07-23 13:41:10,341 INFO L575 BasicCegarLoop]: 0 DeclaredPredicates, 101 GetRequests, 1 SyntacticMatches, 0 SemanticMatches, 100 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 1318 ImplicationChecksByTransitivity, 0.3s TimeCoverageRelationStatistics Valid=3829, Invalid=6473, Unknown=0, NotChecked=0, Total=10302 [2018-07-23 13:41:10,341 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 104 states. [2018-07-23 13:41:10,349 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 104 to 103. [2018-07-23 13:41:10,349 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 103 states. [2018-07-23 13:41:10,349 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 103 states to 103 states and 103 transitions. [2018-07-23 13:41:10,350 INFO L78 Accepts]: Start accepts. Automaton has 103 states and 103 transitions. Word has length 100 [2018-07-23 13:41:10,350 INFO L84 Accepts]: Finished accepts. word is rejected. [2018-07-23 13:41:10,350 INFO L471 AbstractCegarLoop]: Abstraction has 103 states and 103 transitions. [2018-07-23 13:41:10,350 INFO L472 AbstractCegarLoop]: Interpolant automaton has 52 states. [2018-07-23 13:41:10,350 INFO L276 IsEmpty]: Start isEmpty. Operand 103 states and 103 transitions. [2018-07-23 13:41:10,351 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 103 [2018-07-23 13:41:10,351 INFO L349 BasicCegarLoop]: Found error trace [2018-07-23 13:41:10,351 INFO L357 BasicCegarLoop]: trace histogram [50, 49, 1, 1, 1] [2018-07-23 13:41:10,352 INFO L414 AbstractCegarLoop]: === Iteration 50 === [ULTIMATE.startErr0AssertViolationASSERT]=== [2018-07-23 13:41:10,352 INFO L82 PathProgramCache]: Analyzing trace with hash -322445698, now seen corresponding path program 49 times [2018-07-23 13:41:10,352 INFO L69 tionRefinementEngine]: Using refinement strategy FixedRefinementStrategy [2018-07-23 13:41:10,370 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-07-23 13:41:10,539 INFO L134 CoverageAnalysis]: Checked inductivity of 2450 backedges. 0 proven. 2450 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2018-07-23 13:41:10,539 INFO L309 seRefinementStrategy]: Constructing automaton from 0 perfect and 1 imperfect interpolant sequences. [2018-07-23 13:41:10,539 INFO L324 seRefinementStrategy]: Number of different interpolants: perfect sequences [] imperfect sequences [52] total 52 [2018-07-23 13:41:10,540 INFO L142 lantAutomatonBuilder]: Constructing canonical interpolant automaton, with selfloop in false state [2018-07-23 13:41:10,540 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2018-07-23 13:41:10,540 INFO L185 omatonBuilderFactory]: Interpolants [15003#true, 15004#false, 15005#(<= ULTIMATE.start_main_~x~4 0), 15006#(<= ULTIMATE.start_main_~x~4 1), 15007#(<= ULTIMATE.start_main_~x~4 2), 15008#(<= ULTIMATE.start_main_~x~4 3), 15009#(<= ULTIMATE.start_main_~x~4 4), 15010#(<= ULTIMATE.start_main_~x~4 5), 15011#(<= ULTIMATE.start_main_~x~4 6), 15012#(<= ULTIMATE.start_main_~x~4 7), 15013#(<= ULTIMATE.start_main_~x~4 8), 15014#(<= ULTIMATE.start_main_~x~4 9), 15015#(<= ULTIMATE.start_main_~x~4 10), 15016#(<= ULTIMATE.start_main_~x~4 11), 15017#(<= ULTIMATE.start_main_~x~4 12), 15018#(<= ULTIMATE.start_main_~x~4 13), 15019#(<= ULTIMATE.start_main_~x~4 14), 15020#(<= ULTIMATE.start_main_~x~4 15), 15021#(<= ULTIMATE.start_main_~x~4 16), 15022#(<= ULTIMATE.start_main_~x~4 17), 15023#(<= ULTIMATE.start_main_~x~4 18), 15024#(<= ULTIMATE.start_main_~x~4 19), 15025#(<= ULTIMATE.start_main_~x~4 20), 15026#(<= ULTIMATE.start_main_~x~4 21), 15027#(<= ULTIMATE.start_main_~x~4 22), 15028#(<= ULTIMATE.start_main_~x~4 23), 15029#(<= ULTIMATE.start_main_~x~4 24), 15030#(<= ULTIMATE.start_main_~x~4 25), 15031#(<= ULTIMATE.start_main_~x~4 26), 15032#(<= ULTIMATE.start_main_~x~4 27), 15033#(<= ULTIMATE.start_main_~x~4 28), 15034#(<= ULTIMATE.start_main_~x~4 29), 15035#(<= ULTIMATE.start_main_~x~4 30), 15036#(<= ULTIMATE.start_main_~x~4 31), 15037#(<= ULTIMATE.start_main_~x~4 32), 15038#(<= ULTIMATE.start_main_~x~4 33), 15039#(<= ULTIMATE.start_main_~x~4 34), 15040#(<= ULTIMATE.start_main_~x~4 35), 15041#(<= ULTIMATE.start_main_~x~4 36), 15042#(<= ULTIMATE.start_main_~x~4 37), 15043#(<= ULTIMATE.start_main_~x~4 38), 15044#(<= ULTIMATE.start_main_~x~4 39), 15045#(<= ULTIMATE.start_main_~x~4 40), 15046#(<= ULTIMATE.start_main_~x~4 41), 15047#(<= ULTIMATE.start_main_~x~4 42), 15048#(<= ULTIMATE.start_main_~x~4 43), 15049#(<= ULTIMATE.start_main_~x~4 44), 15050#(<= ULTIMATE.start_main_~x~4 45), 15051#(<= ULTIMATE.start_main_~x~4 46), 15052#(<= ULTIMATE.start_main_~x~4 47), 15053#(<= ULTIMATE.start_main_~x~4 48), 15054#(and (<= 0 ULTIMATE.start_main_~y~4) (<= ULTIMATE.start_main_~x~4 49)), 15055#(<= 1 ULTIMATE.start_main_~y~4)] [2018-07-23 13:41:10,541 INFO L134 CoverageAnalysis]: Checked inductivity of 2450 backedges. 0 proven. 2450 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2018-07-23 13:41:10,541 INFO L450 AbstractCegarLoop]: Interpolant automaton has 53 states [2018-07-23 13:41:10,541 INFO L132 InterpolantAutomaton]: Constructing interpolant automaton starting with 53 interpolants. [2018-07-23 13:41:10,542 INFO L133 InterpolantAutomaton]: CoverageRelationStatistics Valid=1279, Invalid=1477, Unknown=0, NotChecked=0, Total=2756 [2018-07-23 13:41:10,542 INFO L87 Difference]: Start difference. First operand 103 states and 103 transitions. Second operand 53 states. [2018-07-23 13:41:10,854 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2018-07-23 13:41:10,855 INFO L93 Difference]: Finished difference Result 108 states and 108 transitions. [2018-07-23 13:41:10,855 INFO L142 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 54 states. [2018-07-23 13:41:10,855 INFO L78 Accepts]: Start accepts. Automaton has 53 states. Word has length 102 [2018-07-23 13:41:10,855 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2018-07-23 13:41:10,856 INFO L225 Difference]: With dead ends: 108 [2018-07-23 13:41:10,856 INFO L226 Difference]: Without dead ends: 106 [2018-07-23 13:41:10,857 INFO L575 BasicCegarLoop]: 0 DeclaredPredicates, 103 GetRequests, 1 SyntacticMatches, 0 SemanticMatches, 102 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 1370 ImplicationChecksByTransitivity, 0.3s TimeCoverageRelationStatistics Valid=3982, Invalid=6730, Unknown=0, NotChecked=0, Total=10712 [2018-07-23 13:41:10,857 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 106 states. [2018-07-23 13:41:10,863 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 106 to 105. [2018-07-23 13:41:10,864 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 105 states. [2018-07-23 13:41:10,864 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 105 states to 105 states and 105 transitions. [2018-07-23 13:41:10,864 INFO L78 Accepts]: Start accepts. Automaton has 105 states and 105 transitions. Word has length 102 [2018-07-23 13:41:10,864 INFO L84 Accepts]: Finished accepts. word is rejected. [2018-07-23 13:41:10,864 INFO L471 AbstractCegarLoop]: Abstraction has 105 states and 105 transitions. [2018-07-23 13:41:10,864 INFO L472 AbstractCegarLoop]: Interpolant automaton has 53 states. [2018-07-23 13:41:10,865 INFO L276 IsEmpty]: Start isEmpty. Operand 105 states and 105 transitions. [2018-07-23 13:41:10,865 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 105 [2018-07-23 13:41:10,865 INFO L349 BasicCegarLoop]: Found error trace [2018-07-23 13:41:10,865 INFO L357 BasicCegarLoop]: trace histogram [51, 50, 1, 1, 1] [2018-07-23 13:41:10,866 INFO L414 AbstractCegarLoop]: === Iteration 51 === [ULTIMATE.startErr0AssertViolationASSERT]=== [2018-07-23 13:41:10,866 INFO L82 PathProgramCache]: Analyzing trace with hash -632606684, now seen corresponding path program 50 times [2018-07-23 13:41:10,866 INFO L69 tionRefinementEngine]: Using refinement strategy FixedRefinementStrategy [2018-07-23 13:41:10,886 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-07-23 13:41:11,059 INFO L134 CoverageAnalysis]: Checked inductivity of 2550 backedges. 0 proven. 2550 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2018-07-23 13:41:11,059 INFO L309 seRefinementStrategy]: Constructing automaton from 0 perfect and 1 imperfect interpolant sequences. [2018-07-23 13:41:11,059 INFO L324 seRefinementStrategy]: Number of different interpolants: perfect sequences [] imperfect sequences [53] total 53 [2018-07-23 13:41:11,059 INFO L142 lantAutomatonBuilder]: Constructing canonical interpolant automaton, with selfloop in false state [2018-07-23 13:41:11,060 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2018-07-23 13:41:11,060 INFO L185 omatonBuilderFactory]: Interpolants [15616#(<= ULTIMATE.start_main_~x~4 30), 15617#(<= ULTIMATE.start_main_~x~4 31), 15618#(<= ULTIMATE.start_main_~x~4 32), 15619#(<= ULTIMATE.start_main_~x~4 33), 15620#(<= ULTIMATE.start_main_~x~4 34), 15621#(<= ULTIMATE.start_main_~x~4 35), 15622#(<= ULTIMATE.start_main_~x~4 36), 15623#(<= ULTIMATE.start_main_~x~4 37), 15624#(<= ULTIMATE.start_main_~x~4 38), 15625#(<= ULTIMATE.start_main_~x~4 39), 15626#(<= ULTIMATE.start_main_~x~4 40), 15627#(<= ULTIMATE.start_main_~x~4 41), 15628#(<= ULTIMATE.start_main_~x~4 42), 15629#(<= ULTIMATE.start_main_~x~4 43), 15630#(<= ULTIMATE.start_main_~x~4 44), 15631#(<= ULTIMATE.start_main_~x~4 45), 15632#(<= ULTIMATE.start_main_~x~4 46), 15633#(<= ULTIMATE.start_main_~x~4 47), 15634#(<= ULTIMATE.start_main_~x~4 48), 15635#(and (<= 0 ULTIMATE.start_main_~y~4) (<= ULTIMATE.start_main_~x~4 49)), 15636#(<= 1 ULTIMATE.start_main_~y~4), 15637#(<= 0 ULTIMATE.start_main_~y~4), 15584#true, 15585#false, 15586#(<= ULTIMATE.start_main_~x~4 0), 15587#(<= ULTIMATE.start_main_~x~4 1), 15588#(<= ULTIMATE.start_main_~x~4 2), 15589#(<= ULTIMATE.start_main_~x~4 3), 15590#(<= ULTIMATE.start_main_~x~4 4), 15591#(<= ULTIMATE.start_main_~x~4 5), 15592#(<= ULTIMATE.start_main_~x~4 6), 15593#(<= ULTIMATE.start_main_~x~4 7), 15594#(<= ULTIMATE.start_main_~x~4 8), 15595#(<= ULTIMATE.start_main_~x~4 9), 15596#(<= ULTIMATE.start_main_~x~4 10), 15597#(<= ULTIMATE.start_main_~x~4 11), 15598#(<= ULTIMATE.start_main_~x~4 12), 15599#(<= ULTIMATE.start_main_~x~4 13), 15600#(<= ULTIMATE.start_main_~x~4 14), 15601#(<= ULTIMATE.start_main_~x~4 15), 15602#(<= ULTIMATE.start_main_~x~4 16), 15603#(<= ULTIMATE.start_main_~x~4 17), 15604#(<= ULTIMATE.start_main_~x~4 18), 15605#(<= ULTIMATE.start_main_~x~4 19), 15606#(<= ULTIMATE.start_main_~x~4 20), 15607#(<= ULTIMATE.start_main_~x~4 21), 15608#(<= ULTIMATE.start_main_~x~4 22), 15609#(<= ULTIMATE.start_main_~x~4 23), 15610#(<= ULTIMATE.start_main_~x~4 24), 15611#(<= ULTIMATE.start_main_~x~4 25), 15612#(<= ULTIMATE.start_main_~x~4 26), 15613#(<= ULTIMATE.start_main_~x~4 27), 15614#(<= ULTIMATE.start_main_~x~4 28), 15615#(<= ULTIMATE.start_main_~x~4 29)] [2018-07-23 13:41:11,061 INFO L134 CoverageAnalysis]: Checked inductivity of 2550 backedges. 0 proven. 2550 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2018-07-23 13:41:11,061 INFO L450 AbstractCegarLoop]: Interpolant automaton has 54 states [2018-07-23 13:41:11,062 INFO L132 InterpolantAutomaton]: Constructing interpolant automaton starting with 54 interpolants. [2018-07-23 13:41:11,062 INFO L133 InterpolantAutomaton]: CoverageRelationStatistics Valid=1283, Invalid=1579, Unknown=0, NotChecked=0, Total=2862 [2018-07-23 13:41:11,063 INFO L87 Difference]: Start difference. First operand 105 states and 105 transitions. Second operand 54 states. [2018-07-23 13:41:11,405 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2018-07-23 13:41:11,405 INFO L93 Difference]: Finished difference Result 109 states and 109 transitions. [2018-07-23 13:41:11,406 INFO L142 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 55 states. [2018-07-23 13:41:11,406 INFO L78 Accepts]: Start accepts. Automaton has 54 states. Word has length 104 [2018-07-23 13:41:11,406 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2018-07-23 13:41:11,407 INFO L225 Difference]: With dead ends: 109 [2018-07-23 13:41:11,407 INFO L226 Difference]: Without dead ends: 107 [2018-07-23 13:41:11,408 INFO L575 BasicCegarLoop]: 0 DeclaredPredicates, 105 GetRequests, 1 SyntacticMatches, 1 SemanticMatches, 103 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 1466 ImplicationChecksByTransitivity, 0.3s TimeCoverageRelationStatistics Valid=4037, Invalid=6883, Unknown=0, NotChecked=0, Total=10920 [2018-07-23 13:41:11,409 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 107 states. [2018-07-23 13:41:11,423 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 107 to 107. [2018-07-23 13:41:11,424 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 107 states. [2018-07-23 13:41:11,424 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 107 states to 107 states and 107 transitions. [2018-07-23 13:41:11,424 INFO L78 Accepts]: Start accepts. Automaton has 107 states and 107 transitions. Word has length 104 [2018-07-23 13:41:11,425 INFO L84 Accepts]: Finished accepts. word is rejected. [2018-07-23 13:41:11,425 INFO L471 AbstractCegarLoop]: Abstraction has 107 states and 107 transitions. [2018-07-23 13:41:11,425 INFO L472 AbstractCegarLoop]: Interpolant automaton has 54 states. [2018-07-23 13:41:11,425 INFO L276 IsEmpty]: Start isEmpty. Operand 107 states and 107 transitions. [2018-07-23 13:41:11,426 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 107 [2018-07-23 13:41:11,426 INFO L349 BasicCegarLoop]: Found error trace [2018-07-23 13:41:11,426 INFO L357 BasicCegarLoop]: trace histogram [52, 51, 1, 1, 1] [2018-07-23 13:41:11,429 INFO L414 AbstractCegarLoop]: === Iteration 52 === [ULTIMATE.startErr0AssertViolationASSERT]=== [2018-07-23 13:41:11,429 INFO L82 PathProgramCache]: Analyzing trace with hash 1950396490, now seen corresponding path program 51 times [2018-07-23 13:41:11,429 INFO L69 tionRefinementEngine]: Using refinement strategy FixedRefinementStrategy [2018-07-23 13:41:11,449 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-07-23 13:41:11,805 INFO L134 CoverageAnalysis]: Checked inductivity of 2652 backedges. 0 proven. 2652 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2018-07-23 13:41:11,806 INFO L309 seRefinementStrategy]: Constructing automaton from 0 perfect and 1 imperfect interpolant sequences. [2018-07-23 13:41:11,806 INFO L324 seRefinementStrategy]: Number of different interpolants: perfect sequences [] imperfect sequences [56] total 56 [2018-07-23 13:41:11,806 INFO L142 lantAutomatonBuilder]: Constructing canonical interpolant automaton, with selfloop in false state [2018-07-23 13:41:11,806 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2018-07-23 13:41:11,807 INFO L185 omatonBuilderFactory]: Interpolants [16172#true, 16173#false, 16174#(and (<= ULTIMATE.start_main_~x~4 0) (<= 0 ULTIMATE.start_main_~x~4)), 16175#(and (<= ULTIMATE.start_main_~x~4 1) (<= 1 ULTIMATE.start_main_~x~4)), 16176#(and (<= 2 ULTIMATE.start_main_~x~4) (<= ULTIMATE.start_main_~x~4 2)), 16177#(and (<= 3 ULTIMATE.start_main_~x~4) (<= ULTIMATE.start_main_~x~4 3)), 16178#(and (<= ULTIMATE.start_main_~x~4 4) (<= 4 ULTIMATE.start_main_~x~4)), 16179#(and (<= ULTIMATE.start_main_~x~4 5) (<= 5 ULTIMATE.start_main_~x~4)), 16180#(and (<= 6 ULTIMATE.start_main_~x~4) (<= ULTIMATE.start_main_~x~4 6)), 16181#(and (<= ULTIMATE.start_main_~x~4 7) (<= 7 ULTIMATE.start_main_~x~4)), 16182#(and (<= ULTIMATE.start_main_~x~4 8) (<= 8 ULTIMATE.start_main_~x~4)), 16183#(and (<= 9 ULTIMATE.start_main_~x~4) (<= ULTIMATE.start_main_~x~4 9)), 16184#(and (<= ULTIMATE.start_main_~x~4 10) (<= 10 ULTIMATE.start_main_~x~4)), 16185#(and (<= ULTIMATE.start_main_~x~4 11) (<= 11 ULTIMATE.start_main_~x~4)), 16186#(and (<= 12 ULTIMATE.start_main_~x~4) (<= ULTIMATE.start_main_~x~4 12)), 16187#(and (<= ULTIMATE.start_main_~x~4 13) (<= 13 ULTIMATE.start_main_~x~4)), 16188#(and (<= 14 ULTIMATE.start_main_~x~4) (<= ULTIMATE.start_main_~x~4 14)), 16189#(and (<= 15 ULTIMATE.start_main_~x~4) (<= ULTIMATE.start_main_~x~4 15)), 16190#(and (<= ULTIMATE.start_main_~x~4 16) (<= 16 ULTIMATE.start_main_~x~4)), 16191#(and (<= ULTIMATE.start_main_~x~4 17) (<= 17 ULTIMATE.start_main_~x~4)), 16192#(and (<= 18 ULTIMATE.start_main_~x~4) (<= ULTIMATE.start_main_~x~4 18)), 16193#(and (<= 19 ULTIMATE.start_main_~x~4) (<= ULTIMATE.start_main_~x~4 19)), 16194#(and (<= 20 ULTIMATE.start_main_~x~4) (<= ULTIMATE.start_main_~x~4 20)), 16195#(and (<= ULTIMATE.start_main_~x~4 21) (<= 21 ULTIMATE.start_main_~x~4)), 16196#(and (<= ULTIMATE.start_main_~x~4 22) (<= 22 ULTIMATE.start_main_~x~4)), 16197#(and (<= ULTIMATE.start_main_~x~4 23) (<= 23 ULTIMATE.start_main_~x~4)), 16198#(and (<= ULTIMATE.start_main_~x~4 24) (<= 24 ULTIMATE.start_main_~x~4)), 16199#(and (<= ULTIMATE.start_main_~x~4 25) (<= 25 ULTIMATE.start_main_~x~4)), 16200#(and (<= ULTIMATE.start_main_~x~4 26) (<= 26 ULTIMATE.start_main_~x~4)), 16201#(and (<= ULTIMATE.start_main_~x~4 27) (<= 27 ULTIMATE.start_main_~x~4)), 16202#(and (<= ULTIMATE.start_main_~x~4 28) (<= 28 ULTIMATE.start_main_~x~4)), 16203#(and (<= 29 ULTIMATE.start_main_~x~4) (<= ULTIMATE.start_main_~x~4 29)), 16204#(and (<= ULTIMATE.start_main_~x~4 30) (<= 30 ULTIMATE.start_main_~x~4)), 16205#(and (<= ULTIMATE.start_main_~x~4 31) (<= 31 ULTIMATE.start_main_~x~4)), 16206#(and (<= ULTIMATE.start_main_~x~4 32) (<= 32 ULTIMATE.start_main_~x~4)), 16207#(and (<= ULTIMATE.start_main_~x~4 33) (<= 33 ULTIMATE.start_main_~x~4)), 16208#(and (<= 34 ULTIMATE.start_main_~x~4) (<= ULTIMATE.start_main_~x~4 34)), 16209#(and (<= ULTIMATE.start_main_~x~4 35) (<= 35 ULTIMATE.start_main_~x~4)), 16210#(and (<= 36 ULTIMATE.start_main_~x~4) (<= ULTIMATE.start_main_~x~4 36)), 16211#(and (<= ULTIMATE.start_main_~x~4 37) (<= 37 ULTIMATE.start_main_~x~4)), 16212#(and (<= 38 ULTIMATE.start_main_~x~4) (<= ULTIMATE.start_main_~x~4 38)), 16213#(and (<= ULTIMATE.start_main_~x~4 39) (<= 39 ULTIMATE.start_main_~x~4)), 16214#(and (<= ULTIMATE.start_main_~x~4 40) (<= 40 ULTIMATE.start_main_~x~4)), 16215#(and (<= ULTIMATE.start_main_~x~4 41) (<= 41 ULTIMATE.start_main_~x~4)), 16216#(and (<= ULTIMATE.start_main_~x~4 42) (<= 42 ULTIMATE.start_main_~x~4)), 16217#(and (<= ULTIMATE.start_main_~x~4 43) (<= 43 ULTIMATE.start_main_~x~4)), 16218#(and (<= 44 ULTIMATE.start_main_~x~4) (<= ULTIMATE.start_main_~x~4 44)), 16219#(and (<= 45 ULTIMATE.start_main_~x~4) (<= ULTIMATE.start_main_~x~4 45)), 16220#(and (<= ULTIMATE.start_main_~x~4 46) (<= 46 ULTIMATE.start_main_~x~4)), 16221#(and (<= 47 ULTIMATE.start_main_~x~4) (<= ULTIMATE.start_main_~x~4 47)), 16222#(and (<= 48 ULTIMATE.start_main_~x~4) (<= 0 ULTIMATE.start_main_~y~4) (<= ULTIMATE.start_main_~x~4 48)), 16223#(and (<= 48 ULTIMATE.start_main_~x~4) (<= 1 ULTIMATE.start_main_~y~4) (<= ULTIMATE.start_main_~x~4 48)), 16224#(and (<= 49 ULTIMATE.start_main_~x~4) (<= ULTIMATE.start_main_~x~4 49) (<= 1 ULTIMATE.start_main_~y~4)), 16225#(and (<= 2 ULTIMATE.start_main_~y~4) (<= 49 ULTIMATE.start_main_~x~4)), 16226#(and (<= 2 ULTIMATE.start_main_~y~4) (<= 50 ULTIMATE.start_main_~x~4)), 16227#(<= 1 ULTIMATE.start_main_~y~4), 16228#(<= 0 ULTIMATE.start_main_~y~4)] [2018-07-23 13:41:11,807 INFO L134 CoverageAnalysis]: Checked inductivity of 2652 backedges. 0 proven. 2652 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2018-07-23 13:41:11,807 INFO L450 AbstractCegarLoop]: Interpolant automaton has 57 states [2018-07-23 13:41:11,808 INFO L132 InterpolantAutomaton]: Constructing interpolant automaton starting with 57 interpolants. [2018-07-23 13:41:11,808 INFO L133 InterpolantAutomaton]: CoverageRelationStatistics Valid=123, Invalid=3069, Unknown=0, NotChecked=0, Total=3192 [2018-07-23 13:41:11,808 INFO L87 Difference]: Start difference. First operand 107 states and 107 transitions. Second operand 57 states. [2018-07-23 13:41:12,746 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2018-07-23 13:41:12,746 INFO L93 Difference]: Finished difference Result 111 states and 111 transitions. [2018-07-23 13:41:12,746 INFO L142 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 57 states. [2018-07-23 13:41:12,746 INFO L78 Accepts]: Start accepts. Automaton has 57 states. Word has length 106 [2018-07-23 13:41:12,747 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2018-07-23 13:41:12,747 INFO L225 Difference]: With dead ends: 111 [2018-07-23 13:41:12,748 INFO L226 Difference]: Without dead ends: 109 [2018-07-23 13:41:12,749 INFO L575 BasicCegarLoop]: 0 DeclaredPredicates, 107 GetRequests, 1 SyntacticMatches, 1 SemanticMatches, 105 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 1336 ImplicationChecksByTransitivity, 0.5s TimeCoverageRelationStatistics Valid=374, Invalid=10968, Unknown=0, NotChecked=0, Total=11342 [2018-07-23 13:41:12,749 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 109 states. [2018-07-23 13:41:12,757 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 109 to 109. [2018-07-23 13:41:12,757 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 109 states. [2018-07-23 13:41:12,758 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 109 states to 109 states and 109 transitions. [2018-07-23 13:41:12,758 INFO L78 Accepts]: Start accepts. Automaton has 109 states and 109 transitions. Word has length 106 [2018-07-23 13:41:12,758 INFO L84 Accepts]: Finished accepts. word is rejected. [2018-07-23 13:41:12,758 INFO L471 AbstractCegarLoop]: Abstraction has 109 states and 109 transitions. [2018-07-23 13:41:12,758 INFO L472 AbstractCegarLoop]: Interpolant automaton has 57 states. [2018-07-23 13:41:12,758 INFO L276 IsEmpty]: Start isEmpty. Operand 109 states and 109 transitions. [2018-07-23 13:41:12,759 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 109 [2018-07-23 13:41:12,759 INFO L349 BasicCegarLoop]: Found error trace [2018-07-23 13:41:12,760 INFO L357 BasicCegarLoop]: trace histogram [53, 52, 1, 1, 1] [2018-07-23 13:41:12,760 INFO L414 AbstractCegarLoop]: === Iteration 53 === [ULTIMATE.startErr0AssertViolationASSERT]=== [2018-07-23 13:41:12,760 INFO L82 PathProgramCache]: Analyzing trace with hash 1725349616, now seen corresponding path program 52 times [2018-07-23 13:41:12,760 INFO L69 tionRefinementEngine]: Using refinement strategy FixedRefinementStrategy [2018-07-23 13:41:12,782 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-07-23 13:41:13,405 INFO L134 CoverageAnalysis]: Checked inductivity of 2756 backedges. 0 proven. 2756 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2018-07-23 13:41:13,406 INFO L309 seRefinementStrategy]: Constructing automaton from 0 perfect and 1 imperfect interpolant sequences. [2018-07-23 13:41:13,406 INFO L324 seRefinementStrategy]: Number of different interpolants: perfect sequences [] imperfect sequences [74] total 74 [2018-07-23 13:41:13,406 INFO L142 lantAutomatonBuilder]: Constructing canonical interpolant automaton, with selfloop in false state [2018-07-23 13:41:13,407 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 13:41:13,407 INFO L185 omatonBuilderFactory]: Interpolants [16769#true, 16770#false, 16771#(and (<= ULTIMATE.start_main_~x~4 0) (<= 0 ULTIMATE.start_main_~x~4)), 16772#(and (<= ULTIMATE.start_main_~x~4 1) (<= 1 ULTIMATE.start_main_~x~4)), 16773#(and (<= 2 ULTIMATE.start_main_~x~4) (<= ULTIMATE.start_main_~x~4 2)), 16774#(and (<= 3 ULTIMATE.start_main_~x~4) (<= ULTIMATE.start_main_~x~4 3)), 16775#(and (<= ULTIMATE.start_main_~x~4 4) (<= 4 ULTIMATE.start_main_~x~4)), 16776#(and (<= ULTIMATE.start_main_~x~4 5) (<= 5 ULTIMATE.start_main_~x~4)), 16777#(and (<= 6 ULTIMATE.start_main_~x~4) (<= ULTIMATE.start_main_~x~4 6)), 16778#(and (<= ULTIMATE.start_main_~x~4 7) (<= 7 ULTIMATE.start_main_~x~4)), 16779#(and (<= ULTIMATE.start_main_~x~4 8) (<= 8 ULTIMATE.start_main_~x~4)), 16780#(and (<= 9 ULTIMATE.start_main_~x~4) (<= ULTIMATE.start_main_~x~4 9)), 16781#(and (<= ULTIMATE.start_main_~x~4 10) (<= 10 ULTIMATE.start_main_~x~4)), 16782#(and (<= ULTIMATE.start_main_~x~4 11) (<= 11 ULTIMATE.start_main_~x~4)), 16783#(and (<= 12 ULTIMATE.start_main_~x~4) (<= ULTIMATE.start_main_~x~4 12)), 16784#(and (<= ULTIMATE.start_main_~x~4 13) (<= 13 ULTIMATE.start_main_~x~4)), 16785#(and (<= 14 ULTIMATE.start_main_~x~4) (<= ULTIMATE.start_main_~x~4 14)), 16786#(and (<= 15 ULTIMATE.start_main_~x~4) (<= ULTIMATE.start_main_~x~4 15)), 16787#(and (<= ULTIMATE.start_main_~x~4 16) (<= 16 ULTIMATE.start_main_~x~4)), 16788#(and (<= ULTIMATE.start_main_~x~4 17) (<= 17 ULTIMATE.start_main_~x~4)), 16789#(and (<= 18 ULTIMATE.start_main_~x~4) (<= ULTIMATE.start_main_~x~4 18)), 16790#(and (<= 19 ULTIMATE.start_main_~x~4) (<= ULTIMATE.start_main_~x~4 19)), 16791#(and (<= 20 ULTIMATE.start_main_~x~4) (<= ULTIMATE.start_main_~x~4 20)), 16792#(and (<= ULTIMATE.start_main_~x~4 21) (<= 21 ULTIMATE.start_main_~x~4)), 16793#(and (<= ULTIMATE.start_main_~x~4 22) (<= 22 ULTIMATE.start_main_~x~4)), 16794#(and (<= ULTIMATE.start_main_~x~4 23) (<= 23 ULTIMATE.start_main_~x~4)), 16795#(and (<= ULTIMATE.start_main_~x~4 24) (<= 24 ULTIMATE.start_main_~x~4)), 16796#(and (<= ULTIMATE.start_main_~x~4 25) (<= 25 ULTIMATE.start_main_~x~4)), 16797#(and (<= ULTIMATE.start_main_~x~4 26) (<= 26 ULTIMATE.start_main_~x~4)), 16798#(and (<= ULTIMATE.start_main_~x~4 27) (<= 27 ULTIMATE.start_main_~x~4)), 16799#(and (<= ULTIMATE.start_main_~x~4 28) (<= 28 ULTIMATE.start_main_~x~4)), 16800#(and (<= 29 ULTIMATE.start_main_~x~4) (<= ULTIMATE.start_main_~x~4 29)), 16801#(and (<= ULTIMATE.start_main_~x~4 30) (<= 30 ULTIMATE.start_main_~x~4)), 16802#(and (<= ULTIMATE.start_main_~x~4 31) (<= 31 ULTIMATE.start_main_~x~4)), 16803#(and (<= ULTIMATE.start_main_~x~4 32) (<= 0 ULTIMATE.start_main_~y~4) (<= 32 ULTIMATE.start_main_~x~4)), 16804#(and (<= ULTIMATE.start_main_~x~4 32) (<= 32 ULTIMATE.start_main_~x~4) (<= 1 ULTIMATE.start_main_~y~4)), 16805#(and (<= ULTIMATE.start_main_~x~4 33) (<= 33 ULTIMATE.start_main_~x~4) (<= 1 ULTIMATE.start_main_~y~4)), 16806#(and (<= ULTIMATE.start_main_~x~4 33) (<= 2 ULTIMATE.start_main_~y~4) (<= 33 ULTIMATE.start_main_~x~4)), 16807#(and (<= 34 ULTIMATE.start_main_~x~4) (<= 2 ULTIMATE.start_main_~y~4) (<= ULTIMATE.start_main_~x~4 34)), 16808#(and (<= 34 ULTIMATE.start_main_~x~4) (<= 3 ULTIMATE.start_main_~y~4) (<= ULTIMATE.start_main_~x~4 34)), 16809#(and (<= 3 ULTIMATE.start_main_~y~4) (<= ULTIMATE.start_main_~x~4 35) (<= 35 ULTIMATE.start_main_~x~4)), 16810#(and (<= 4 ULTIMATE.start_main_~y~4) (<= ULTIMATE.start_main_~x~4 35) (<= 35 ULTIMATE.start_main_~x~4)), 16811#(and (<= 36 ULTIMATE.start_main_~x~4) (<= 4 ULTIMATE.start_main_~y~4) (<= ULTIMATE.start_main_~x~4 36)), 16812#(and (<= 36 ULTIMATE.start_main_~x~4) (<= 5 ULTIMATE.start_main_~y~4) (<= ULTIMATE.start_main_~x~4 36)), 16813#(and (<= ULTIMATE.start_main_~x~4 37) (<= 5 ULTIMATE.start_main_~y~4) (<= 37 ULTIMATE.start_main_~x~4)), 16814#(and (<= ULTIMATE.start_main_~x~4 37) (<= 6 ULTIMATE.start_main_~y~4) (<= 37 ULTIMATE.start_main_~x~4)), 16815#(and (<= 38 ULTIMATE.start_main_~x~4) (<= ULTIMATE.start_main_~x~4 38) (<= 6 ULTIMATE.start_main_~y~4)), 16816#(and (<= 38 ULTIMATE.start_main_~x~4) (<= 7 ULTIMATE.start_main_~y~4) (<= ULTIMATE.start_main_~x~4 38)), 16817#(and (<= 7 ULTIMATE.start_main_~y~4) (<= ULTIMATE.start_main_~x~4 39) (<= 39 ULTIMATE.start_main_~x~4)), 16818#(and (<= ULTIMATE.start_main_~x~4 39) (<= 8 ULTIMATE.start_main_~y~4) (<= 39 ULTIMATE.start_main_~x~4)), 16819#(and (<= ULTIMATE.start_main_~x~4 40) (<= 8 ULTIMATE.start_main_~y~4) (<= 40 ULTIMATE.start_main_~x~4)), 16820#(and (<= ULTIMATE.start_main_~x~4 40) (<= 40 ULTIMATE.start_main_~x~4) (<= 9 ULTIMATE.start_main_~y~4)), 16821#(and (<= ULTIMATE.start_main_~x~4 41) (<= 41 ULTIMATE.start_main_~x~4) (<= 9 ULTIMATE.start_main_~y~4)), 16822#(and (<= ULTIMATE.start_main_~x~4 41) (<= 41 ULTIMATE.start_main_~x~4) (<= 10 ULTIMATE.start_main_~y~4)), 16823#(and (<= 10 ULTIMATE.start_main_~y~4) (<= ULTIMATE.start_main_~x~4 42) (<= 42 ULTIMATE.start_main_~x~4)), 16824#(and (<= 11 ULTIMATE.start_main_~y~4) (<= ULTIMATE.start_main_~x~4 42) (<= 42 ULTIMATE.start_main_~x~4)), 16825#(and (<= ULTIMATE.start_main_~x~4 43) (<= 11 ULTIMATE.start_main_~y~4) (<= 43 ULTIMATE.start_main_~x~4)), 16826#(and (<= 12 ULTIMATE.start_main_~y~4) (<= ULTIMATE.start_main_~x~4 43) (<= 43 ULTIMATE.start_main_~x~4)), 16827#(and (<= 44 ULTIMATE.start_main_~x~4) (<= 12 ULTIMATE.start_main_~y~4) (<= ULTIMATE.start_main_~x~4 44)), 16828#(and (<= 44 ULTIMATE.start_main_~x~4) (<= 13 ULTIMATE.start_main_~y~4) (<= ULTIMATE.start_main_~x~4 44)), 16829#(and (<= 13 ULTIMATE.start_main_~y~4) (<= 45 ULTIMATE.start_main_~x~4) (<= ULTIMATE.start_main_~x~4 45)), 16830#(and (<= 14 ULTIMATE.start_main_~y~4) (<= 45 ULTIMATE.start_main_~x~4) (<= ULTIMATE.start_main_~x~4 45)), 16831#(and (<= ULTIMATE.start_main_~x~4 46) (<= 14 ULTIMATE.start_main_~y~4) (<= 46 ULTIMATE.start_main_~x~4)), 16832#(and (<= ULTIMATE.start_main_~x~4 46) (<= 46 ULTIMATE.start_main_~x~4) (<= 15 ULTIMATE.start_main_~y~4)), 16833#(and (<= 47 ULTIMATE.start_main_~x~4) (<= ULTIMATE.start_main_~x~4 47) (<= 15 ULTIMATE.start_main_~y~4)), 16834#(and (<= 47 ULTIMATE.start_main_~x~4) (<= 16 ULTIMATE.start_main_~y~4) (<= ULTIMATE.start_main_~x~4 47)), 16835#(and (<= 48 ULTIMATE.start_main_~x~4) (<= 16 ULTIMATE.start_main_~y~4) (<= ULTIMATE.start_main_~x~4 48)), 16836#(and (<= 48 ULTIMATE.start_main_~x~4) (<= 17 ULTIMATE.start_main_~y~4) (<= ULTIMATE.start_main_~x~4 48)), 16837#(and (<= 49 ULTIMATE.start_main_~x~4) (<= 17 ULTIMATE.start_main_~y~4) (<= ULTIMATE.start_main_~x~4 49)), 16838#(and (<= 18 ULTIMATE.start_main_~y~4) (<= 49 ULTIMATE.start_main_~x~4)), 16839#(and (<= 18 ULTIMATE.start_main_~y~4) (<= 50 ULTIMATE.start_main_~x~4)), 16840#(and (<= 50 ULTIMATE.start_main_~x~4) (<= 17 ULTIMATE.start_main_~y~4)), 16841#(and (<= 51 ULTIMATE.start_main_~x~4) (<= 17 ULTIMATE.start_main_~y~4)), 16842#(<= 16 ULTIMATE.start_main_~y~4), 16843#(<= 1 ULTIMATE.start_main_~y~4)] [2018-07-23 13:41:13,408 INFO L134 CoverageAnalysis]: Checked inductivity of 2756 backedges. 0 proven. 2756 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2018-07-23 13:41:13,410 INFO L450 AbstractCegarLoop]: Interpolant automaton has 75 states [2018-07-23 13:41:13,410 INFO L132 InterpolantAutomaton]: Constructing interpolant automaton starting with 75 interpolants. [2018-07-23 13:41:13,411 INFO L133 InterpolantAutomaton]: CoverageRelationStatistics Valid=214, Invalid=5336, Unknown=0, NotChecked=0, Total=5550 [2018-07-23 13:41:13,412 INFO L87 Difference]: Start difference. First operand 109 states and 109 transitions. Second operand 75 states. [2018-07-23 13:41:14,252 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2018-07-23 13:41:14,253 INFO L93 Difference]: Finished difference Result 114 states and 114 transitions. [2018-07-23 13:41:14,253 INFO L142 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 75 states. [2018-07-23 13:41:14,253 INFO L78 Accepts]: Start accepts. Automaton has 75 states. Word has length 108 [2018-07-23 13:41:14,253 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2018-07-23 13:41:14,254 INFO L225 Difference]: With dead ends: 114 [2018-07-23 13:41:14,254 INFO L226 Difference]: Without dead ends: 112 [2018-07-23 13:41:14,255 INFO L575 BasicCegarLoop]: 0 DeclaredPredicates, 76 GetRequests, 1 SyntacticMatches, 1 SemanticMatches, 74 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 459 ImplicationChecksByTransitivity, 0.4s TimeCoverageRelationStatistics Valid=220, Invalid=5480, Unknown=0, NotChecked=0, Total=5700 [2018-07-23 13:41:14,255 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 112 states. [2018-07-23 13:41:14,262 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 112 to 111. [2018-07-23 13:41:14,263 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 111 states. [2018-07-23 13:41:14,263 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 111 states to 111 states and 111 transitions. [2018-07-23 13:41:14,263 INFO L78 Accepts]: Start accepts. Automaton has 111 states and 111 transitions. Word has length 108 [2018-07-23 13:41:14,264 INFO L84 Accepts]: Finished accepts. word is rejected. [2018-07-23 13:41:14,264 INFO L471 AbstractCegarLoop]: Abstraction has 111 states and 111 transitions. [2018-07-23 13:41:14,264 INFO L472 AbstractCegarLoop]: Interpolant automaton has 75 states. [2018-07-23 13:41:14,264 INFO L276 IsEmpty]: Start isEmpty. Operand 111 states and 111 transitions. [2018-07-23 13:41:14,265 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 111 [2018-07-23 13:41:14,265 INFO L349 BasicCegarLoop]: Found error trace [2018-07-23 13:41:14,265 INFO L357 BasicCegarLoop]: trace histogram [54, 53, 1, 1, 1] [2018-07-23 13:41:14,265 INFO L414 AbstractCegarLoop]: === Iteration 54 === [ULTIMATE.startErr0AssertViolationASSERT]=== [2018-07-23 13:41:14,265 INFO L82 PathProgramCache]: Analyzing trace with hash 203668502, now seen corresponding path program 53 times [2018-07-23 13:41:14,265 INFO L69 tionRefinementEngine]: Using refinement strategy FixedRefinementStrategy [2018-07-23 13:41:14,285 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-07-23 13:41:14,814 INFO L134 CoverageAnalysis]: Checked inductivity of 2862 backedges. 0 proven. 2862 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2018-07-23 13:41:14,815 INFO L309 seRefinementStrategy]: Constructing automaton from 0 perfect and 1 imperfect interpolant sequences. [2018-07-23 13:41:14,815 INFO L324 seRefinementStrategy]: Number of different interpolants: perfect sequences [] imperfect sequences [76] total 76 [2018-07-23 13:41:14,815 INFO L142 lantAutomatonBuilder]: Constructing canonical interpolant automaton, with selfloop in false state [2018-07-23 13:41:14,815 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 13:41:14,816 INFO L185 omatonBuilderFactory]: Interpolants [17296#true, 17297#false, 17298#(and (<= ULTIMATE.start_main_~x~4 0) (<= 0 ULTIMATE.start_main_~x~4)), 17299#(and (<= ULTIMATE.start_main_~x~4 1) (<= 1 ULTIMATE.start_main_~x~4)), 17300#(and (<= 2 ULTIMATE.start_main_~x~4) (<= ULTIMATE.start_main_~x~4 2)), 17301#(and (<= 3 ULTIMATE.start_main_~x~4) (<= ULTIMATE.start_main_~x~4 3)), 17302#(and (<= ULTIMATE.start_main_~x~4 4) (<= 4 ULTIMATE.start_main_~x~4)), 17303#(and (<= ULTIMATE.start_main_~x~4 5) (<= 5 ULTIMATE.start_main_~x~4)), 17304#(and (<= 6 ULTIMATE.start_main_~x~4) (<= ULTIMATE.start_main_~x~4 6)), 17305#(and (<= ULTIMATE.start_main_~x~4 7) (<= 7 ULTIMATE.start_main_~x~4)), 17306#(and (<= ULTIMATE.start_main_~x~4 8) (<= 8 ULTIMATE.start_main_~x~4)), 17307#(and (<= 9 ULTIMATE.start_main_~x~4) (<= ULTIMATE.start_main_~x~4 9)), 17308#(and (<= ULTIMATE.start_main_~x~4 10) (<= 10 ULTIMATE.start_main_~x~4)), 17309#(and (<= ULTIMATE.start_main_~x~4 11) (<= 11 ULTIMATE.start_main_~x~4)), 17310#(and (<= 12 ULTIMATE.start_main_~x~4) (<= ULTIMATE.start_main_~x~4 12)), 17311#(and (<= ULTIMATE.start_main_~x~4 13) (<= 13 ULTIMATE.start_main_~x~4)), 17312#(and (<= 14 ULTIMATE.start_main_~x~4) (<= ULTIMATE.start_main_~x~4 14)), 17313#(and (<= 15 ULTIMATE.start_main_~x~4) (<= ULTIMATE.start_main_~x~4 15)), 17314#(and (<= ULTIMATE.start_main_~x~4 16) (<= 16 ULTIMATE.start_main_~x~4)), 17315#(and (<= ULTIMATE.start_main_~x~4 17) (<= 17 ULTIMATE.start_main_~x~4)), 17316#(and (<= 18 ULTIMATE.start_main_~x~4) (<= ULTIMATE.start_main_~x~4 18)), 17317#(and (<= 19 ULTIMATE.start_main_~x~4) (<= ULTIMATE.start_main_~x~4 19)), 17318#(and (<= 20 ULTIMATE.start_main_~x~4) (<= ULTIMATE.start_main_~x~4 20)), 17319#(and (<= ULTIMATE.start_main_~x~4 21) (<= 21 ULTIMATE.start_main_~x~4)), 17320#(and (<= ULTIMATE.start_main_~x~4 22) (<= 22 ULTIMATE.start_main_~x~4)), 17321#(and (<= ULTIMATE.start_main_~x~4 23) (<= 23 ULTIMATE.start_main_~x~4)), 17322#(and (<= ULTIMATE.start_main_~x~4 24) (<= 24 ULTIMATE.start_main_~x~4)), 17323#(and (<= ULTIMATE.start_main_~x~4 25) (<= 25 ULTIMATE.start_main_~x~4)), 17324#(and (<= ULTIMATE.start_main_~x~4 26) (<= 26 ULTIMATE.start_main_~x~4)), 17325#(and (<= ULTIMATE.start_main_~x~4 27) (<= 27 ULTIMATE.start_main_~x~4)), 17326#(and (<= ULTIMATE.start_main_~x~4 28) (<= 28 ULTIMATE.start_main_~x~4)), 17327#(and (<= 29 ULTIMATE.start_main_~x~4) (<= ULTIMATE.start_main_~x~4 29)), 17328#(and (<= ULTIMATE.start_main_~x~4 30) (<= 30 ULTIMATE.start_main_~x~4)), 17329#(and (<= ULTIMATE.start_main_~x~4 31) (<= 31 ULTIMATE.start_main_~x~4)), 17330#(and (<= ULTIMATE.start_main_~x~4 32) (<= 0 ULTIMATE.start_main_~y~4) (<= 32 ULTIMATE.start_main_~x~4)), 17331#(and (<= ULTIMATE.start_main_~x~4 32) (<= 32 ULTIMATE.start_main_~x~4) (<= 1 ULTIMATE.start_main_~y~4)), 17332#(and (<= ULTIMATE.start_main_~x~4 33) (<= 33 ULTIMATE.start_main_~x~4) (<= 1 ULTIMATE.start_main_~y~4)), 17333#(and (<= ULTIMATE.start_main_~x~4 33) (<= 2 ULTIMATE.start_main_~y~4) (<= 33 ULTIMATE.start_main_~x~4)), 17334#(and (<= 34 ULTIMATE.start_main_~x~4) (<= 2 ULTIMATE.start_main_~y~4) (<= ULTIMATE.start_main_~x~4 34)), 17335#(and (<= 34 ULTIMATE.start_main_~x~4) (<= 3 ULTIMATE.start_main_~y~4) (<= ULTIMATE.start_main_~x~4 34)), 17336#(and (<= 3 ULTIMATE.start_main_~y~4) (<= ULTIMATE.start_main_~x~4 35) (<= 35 ULTIMATE.start_main_~x~4)), 17337#(and (<= 4 ULTIMATE.start_main_~y~4) (<= ULTIMATE.start_main_~x~4 35) (<= 35 ULTIMATE.start_main_~x~4)), 17338#(and (<= 36 ULTIMATE.start_main_~x~4) (<= 4 ULTIMATE.start_main_~y~4) (<= ULTIMATE.start_main_~x~4 36)), 17339#(and (<= 36 ULTIMATE.start_main_~x~4) (<= 5 ULTIMATE.start_main_~y~4) (<= ULTIMATE.start_main_~x~4 36)), 17340#(and (<= ULTIMATE.start_main_~x~4 37) (<= 5 ULTIMATE.start_main_~y~4) (<= 37 ULTIMATE.start_main_~x~4)), 17341#(and (<= ULTIMATE.start_main_~x~4 37) (<= 6 ULTIMATE.start_main_~y~4) (<= 37 ULTIMATE.start_main_~x~4)), 17342#(and (<= 38 ULTIMATE.start_main_~x~4) (<= ULTIMATE.start_main_~x~4 38) (<= 6 ULTIMATE.start_main_~y~4)), 17343#(and (<= 38 ULTIMATE.start_main_~x~4) (<= 7 ULTIMATE.start_main_~y~4) (<= ULTIMATE.start_main_~x~4 38)), 17344#(and (<= 7 ULTIMATE.start_main_~y~4) (<= ULTIMATE.start_main_~x~4 39) (<= 39 ULTIMATE.start_main_~x~4)), 17345#(and (<= ULTIMATE.start_main_~x~4 39) (<= 8 ULTIMATE.start_main_~y~4) (<= 39 ULTIMATE.start_main_~x~4)), 17346#(and (<= ULTIMATE.start_main_~x~4 40) (<= 8 ULTIMATE.start_main_~y~4) (<= 40 ULTIMATE.start_main_~x~4)), 17347#(and (<= ULTIMATE.start_main_~x~4 40) (<= 40 ULTIMATE.start_main_~x~4) (<= 9 ULTIMATE.start_main_~y~4)), 17348#(and (<= ULTIMATE.start_main_~x~4 41) (<= 41 ULTIMATE.start_main_~x~4) (<= 9 ULTIMATE.start_main_~y~4)), 17349#(and (<= ULTIMATE.start_main_~x~4 41) (<= 41 ULTIMATE.start_main_~x~4) (<= 10 ULTIMATE.start_main_~y~4)), 17350#(and (<= 10 ULTIMATE.start_main_~y~4) (<= ULTIMATE.start_main_~x~4 42) (<= 42 ULTIMATE.start_main_~x~4)), 17351#(and (<= 11 ULTIMATE.start_main_~y~4) (<= ULTIMATE.start_main_~x~4 42) (<= 42 ULTIMATE.start_main_~x~4)), 17352#(and (<= ULTIMATE.start_main_~x~4 43) (<= 11 ULTIMATE.start_main_~y~4) (<= 43 ULTIMATE.start_main_~x~4)), 17353#(and (<= 12 ULTIMATE.start_main_~y~4) (<= ULTIMATE.start_main_~x~4 43) (<= 43 ULTIMATE.start_main_~x~4)), 17354#(and (<= 44 ULTIMATE.start_main_~x~4) (<= 12 ULTIMATE.start_main_~y~4) (<= ULTIMATE.start_main_~x~4 44)), 17355#(and (<= 44 ULTIMATE.start_main_~x~4) (<= 13 ULTIMATE.start_main_~y~4) (<= ULTIMATE.start_main_~x~4 44)), 17356#(and (<= 13 ULTIMATE.start_main_~y~4) (<= 45 ULTIMATE.start_main_~x~4) (<= ULTIMATE.start_main_~x~4 45)), 17357#(and (<= 14 ULTIMATE.start_main_~y~4) (<= 45 ULTIMATE.start_main_~x~4) (<= ULTIMATE.start_main_~x~4 45)), 17358#(and (<= ULTIMATE.start_main_~x~4 46) (<= 14 ULTIMATE.start_main_~y~4) (<= 46 ULTIMATE.start_main_~x~4)), 17359#(and (<= ULTIMATE.start_main_~x~4 46) (<= 46 ULTIMATE.start_main_~x~4) (<= 15 ULTIMATE.start_main_~y~4)), 17360#(and (<= 47 ULTIMATE.start_main_~x~4) (<= ULTIMATE.start_main_~x~4 47) (<= 15 ULTIMATE.start_main_~y~4)), 17361#(and (<= 47 ULTIMATE.start_main_~x~4) (<= 16 ULTIMATE.start_main_~y~4) (<= ULTIMATE.start_main_~x~4 47)), 17362#(and (<= 48 ULTIMATE.start_main_~x~4) (<= 16 ULTIMATE.start_main_~y~4) (<= ULTIMATE.start_main_~x~4 48)), 17363#(and (<= 48 ULTIMATE.start_main_~x~4) (<= 17 ULTIMATE.start_main_~y~4) (<= ULTIMATE.start_main_~x~4 48)), 17364#(and (<= 49 ULTIMATE.start_main_~x~4) (<= 17 ULTIMATE.start_main_~y~4) (<= ULTIMATE.start_main_~x~4 49)), 17365#(and (<= 18 ULTIMATE.start_main_~y~4) (<= 49 ULTIMATE.start_main_~x~4)), 17366#(and (<= 18 ULTIMATE.start_main_~y~4) (<= 50 ULTIMATE.start_main_~x~4)), 17367#(and (<= 50 ULTIMATE.start_main_~x~4) (<= 17 ULTIMATE.start_main_~y~4)), 17368#(and (<= 51 ULTIMATE.start_main_~x~4) (<= 17 ULTIMATE.start_main_~y~4)), 17369#(and (<= 51 ULTIMATE.start_main_~x~4) (<= 16 ULTIMATE.start_main_~y~4)), 17370#(and (<= 52 ULTIMATE.start_main_~x~4) (<= 16 ULTIMATE.start_main_~y~4)), 17371#(<= 15 ULTIMATE.start_main_~y~4), 17372#(<= 1 ULTIMATE.start_main_~y~4)] [2018-07-23 13:41:14,817 INFO L134 CoverageAnalysis]: Checked inductivity of 2862 backedges. 0 proven. 2862 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2018-07-23 13:41:14,817 INFO L450 AbstractCegarLoop]: Interpolant automaton has 77 states [2018-07-23 13:41:14,817 INFO L132 InterpolantAutomaton]: Constructing interpolant automaton starting with 77 interpolants. [2018-07-23 13:41:14,818 INFO L133 InterpolantAutomaton]: CoverageRelationStatistics Valid=226, Invalid=5626, Unknown=0, NotChecked=0, Total=5852 [2018-07-23 13:41:14,818 INFO L87 Difference]: Start difference. First operand 111 states and 111 transitions. Second operand 77 states. [2018-07-23 13:41:15,544 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2018-07-23 13:41:15,544 INFO L93 Difference]: Finished difference Result 116 states and 116 transitions. [2018-07-23 13:41:15,544 INFO L142 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 77 states. [2018-07-23 13:41:15,544 INFO L78 Accepts]: Start accepts. Automaton has 77 states. Word has length 110 [2018-07-23 13:41:15,545 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2018-07-23 13:41:15,545 INFO L225 Difference]: With dead ends: 116 [2018-07-23 13:41:15,545 INFO L226 Difference]: Without dead ends: 114 [2018-07-23 13:41:15,546 INFO L575 BasicCegarLoop]: 0 DeclaredPredicates, 78 GetRequests, 1 SyntacticMatches, 1 SemanticMatches, 76 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 509 ImplicationChecksByTransitivity, 0.4s TimeCoverageRelationStatistics Valid=232, Invalid=5774, Unknown=0, NotChecked=0, Total=6006 [2018-07-23 13:41:15,546 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 114 states. [2018-07-23 13:41:15,554 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 114 to 113. [2018-07-23 13:41:15,554 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 113 states. [2018-07-23 13:41:15,555 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 113 states to 113 states and 113 transitions. [2018-07-23 13:41:15,555 INFO L78 Accepts]: Start accepts. Automaton has 113 states and 113 transitions. Word has length 110 [2018-07-23 13:41:15,555 INFO L84 Accepts]: Finished accepts. word is rejected. [2018-07-23 13:41:15,555 INFO L471 AbstractCegarLoop]: Abstraction has 113 states and 113 transitions. [2018-07-23 13:41:15,555 INFO L472 AbstractCegarLoop]: Interpolant automaton has 77 states. [2018-07-23 13:41:15,555 INFO L276 IsEmpty]: Start isEmpty. Operand 113 states and 113 transitions. [2018-07-23 13:41:15,556 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 113 [2018-07-23 13:41:15,556 INFO L349 BasicCegarLoop]: Found error trace [2018-07-23 13:41:15,556 INFO L357 BasicCegarLoop]: trace histogram [55, 54, 1, 1, 1] [2018-07-23 13:41:15,557 INFO L414 AbstractCegarLoop]: === Iteration 55 === [ULTIMATE.startErr0AssertViolationASSERT]=== [2018-07-23 13:41:15,557 INFO L82 PathProgramCache]: Analyzing trace with hash -1843001412, now seen corresponding path program 54 times [2018-07-23 13:41:15,557 INFO L69 tionRefinementEngine]: Using refinement strategy FixedRefinementStrategy [2018-07-23 13:41:15,576 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-07-23 13:41:16,104 INFO L134 CoverageAnalysis]: Checked inductivity of 2970 backedges. 0 proven. 2970 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2018-07-23 13:41:16,104 INFO L309 seRefinementStrategy]: Constructing automaton from 0 perfect and 1 imperfect interpolant sequences. [2018-07-23 13:41:16,105 INFO L324 seRefinementStrategy]: Number of different interpolants: perfect sequences [] imperfect sequences [78] total 78 [2018-07-23 13:41:16,105 INFO L142 lantAutomatonBuilder]: Constructing canonical interpolant automaton, with selfloop in false state [2018-07-23 13:41:16,105 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 13:41:16,106 INFO L185 omatonBuilderFactory]: Interpolants [17833#true, 17834#false, 17835#(and (<= ULTIMATE.start_main_~x~4 0) (<= 0 ULTIMATE.start_main_~x~4)), 17836#(and (<= ULTIMATE.start_main_~x~4 1) (<= 1 ULTIMATE.start_main_~x~4)), 17837#(and (<= 2 ULTIMATE.start_main_~x~4) (<= ULTIMATE.start_main_~x~4 2)), 17838#(and (<= 3 ULTIMATE.start_main_~x~4) (<= ULTIMATE.start_main_~x~4 3)), 17839#(and (<= ULTIMATE.start_main_~x~4 4) (<= 4 ULTIMATE.start_main_~x~4)), 17840#(and (<= ULTIMATE.start_main_~x~4 5) (<= 5 ULTIMATE.start_main_~x~4)), 17841#(and (<= 6 ULTIMATE.start_main_~x~4) (<= ULTIMATE.start_main_~x~4 6)), 17842#(and (<= ULTIMATE.start_main_~x~4 7) (<= 7 ULTIMATE.start_main_~x~4)), 17843#(and (<= ULTIMATE.start_main_~x~4 8) (<= 8 ULTIMATE.start_main_~x~4)), 17844#(and (<= 9 ULTIMATE.start_main_~x~4) (<= ULTIMATE.start_main_~x~4 9)), 17845#(and (<= ULTIMATE.start_main_~x~4 10) (<= 10 ULTIMATE.start_main_~x~4)), 17846#(and (<= ULTIMATE.start_main_~x~4 11) (<= 11 ULTIMATE.start_main_~x~4)), 17847#(and (<= 12 ULTIMATE.start_main_~x~4) (<= ULTIMATE.start_main_~x~4 12)), 17848#(and (<= ULTIMATE.start_main_~x~4 13) (<= 13 ULTIMATE.start_main_~x~4)), 17849#(and (<= 14 ULTIMATE.start_main_~x~4) (<= ULTIMATE.start_main_~x~4 14)), 17850#(and (<= 15 ULTIMATE.start_main_~x~4) (<= ULTIMATE.start_main_~x~4 15)), 17851#(and (<= ULTIMATE.start_main_~x~4 16) (<= 16 ULTIMATE.start_main_~x~4)), 17852#(and (<= ULTIMATE.start_main_~x~4 17) (<= 17 ULTIMATE.start_main_~x~4)), 17853#(and (<= 18 ULTIMATE.start_main_~x~4) (<= ULTIMATE.start_main_~x~4 18)), 17854#(and (<= 19 ULTIMATE.start_main_~x~4) (<= ULTIMATE.start_main_~x~4 19)), 17855#(and (<= 20 ULTIMATE.start_main_~x~4) (<= ULTIMATE.start_main_~x~4 20)), 17856#(and (<= ULTIMATE.start_main_~x~4 21) (<= 21 ULTIMATE.start_main_~x~4)), 17857#(and (<= ULTIMATE.start_main_~x~4 22) (<= 22 ULTIMATE.start_main_~x~4)), 17858#(and (<= ULTIMATE.start_main_~x~4 23) (<= 23 ULTIMATE.start_main_~x~4)), 17859#(and (<= ULTIMATE.start_main_~x~4 24) (<= 24 ULTIMATE.start_main_~x~4)), 17860#(and (<= ULTIMATE.start_main_~x~4 25) (<= 25 ULTIMATE.start_main_~x~4)), 17861#(and (<= ULTIMATE.start_main_~x~4 26) (<= 26 ULTIMATE.start_main_~x~4)), 17862#(and (<= ULTIMATE.start_main_~x~4 27) (<= 27 ULTIMATE.start_main_~x~4)), 17863#(and (<= ULTIMATE.start_main_~x~4 28) (<= 28 ULTIMATE.start_main_~x~4)), 17864#(and (<= 29 ULTIMATE.start_main_~x~4) (<= ULTIMATE.start_main_~x~4 29)), 17865#(and (<= ULTIMATE.start_main_~x~4 30) (<= 30 ULTIMATE.start_main_~x~4)), 17866#(and (<= ULTIMATE.start_main_~x~4 31) (<= 31 ULTIMATE.start_main_~x~4)), 17867#(and (<= ULTIMATE.start_main_~x~4 32) (<= 0 ULTIMATE.start_main_~y~4) (<= 32 ULTIMATE.start_main_~x~4)), 17868#(and (<= ULTIMATE.start_main_~x~4 32) (<= 32 ULTIMATE.start_main_~x~4) (<= 1 ULTIMATE.start_main_~y~4)), 17869#(and (<= ULTIMATE.start_main_~x~4 33) (<= 33 ULTIMATE.start_main_~x~4) (<= 1 ULTIMATE.start_main_~y~4)), 17870#(and (<= ULTIMATE.start_main_~x~4 33) (<= 2 ULTIMATE.start_main_~y~4) (<= 33 ULTIMATE.start_main_~x~4)), 17871#(and (<= 34 ULTIMATE.start_main_~x~4) (<= 2 ULTIMATE.start_main_~y~4) (<= ULTIMATE.start_main_~x~4 34)), 17872#(and (<= 34 ULTIMATE.start_main_~x~4) (<= 3 ULTIMATE.start_main_~y~4) (<= ULTIMATE.start_main_~x~4 34)), 17873#(and (<= 3 ULTIMATE.start_main_~y~4) (<= ULTIMATE.start_main_~x~4 35) (<= 35 ULTIMATE.start_main_~x~4)), 17874#(and (<= 4 ULTIMATE.start_main_~y~4) (<= ULTIMATE.start_main_~x~4 35) (<= 35 ULTIMATE.start_main_~x~4)), 17875#(and (<= 36 ULTIMATE.start_main_~x~4) (<= 4 ULTIMATE.start_main_~y~4) (<= ULTIMATE.start_main_~x~4 36)), 17876#(and (<= 36 ULTIMATE.start_main_~x~4) (<= 5 ULTIMATE.start_main_~y~4) (<= ULTIMATE.start_main_~x~4 36)), 17877#(and (<= ULTIMATE.start_main_~x~4 37) (<= 5 ULTIMATE.start_main_~y~4) (<= 37 ULTIMATE.start_main_~x~4)), 17878#(and (<= ULTIMATE.start_main_~x~4 37) (<= 6 ULTIMATE.start_main_~y~4) (<= 37 ULTIMATE.start_main_~x~4)), 17879#(and (<= 38 ULTIMATE.start_main_~x~4) (<= ULTIMATE.start_main_~x~4 38) (<= 6 ULTIMATE.start_main_~y~4)), 17880#(and (<= 38 ULTIMATE.start_main_~x~4) (<= 7 ULTIMATE.start_main_~y~4) (<= ULTIMATE.start_main_~x~4 38)), 17881#(and (<= 7 ULTIMATE.start_main_~y~4) (<= ULTIMATE.start_main_~x~4 39) (<= 39 ULTIMATE.start_main_~x~4)), 17882#(and (<= ULTIMATE.start_main_~x~4 39) (<= 8 ULTIMATE.start_main_~y~4) (<= 39 ULTIMATE.start_main_~x~4)), 17883#(and (<= ULTIMATE.start_main_~x~4 40) (<= 8 ULTIMATE.start_main_~y~4) (<= 40 ULTIMATE.start_main_~x~4)), 17884#(and (<= ULTIMATE.start_main_~x~4 40) (<= 40 ULTIMATE.start_main_~x~4) (<= 9 ULTIMATE.start_main_~y~4)), 17885#(and (<= ULTIMATE.start_main_~x~4 41) (<= 41 ULTIMATE.start_main_~x~4) (<= 9 ULTIMATE.start_main_~y~4)), 17886#(and (<= ULTIMATE.start_main_~x~4 41) (<= 41 ULTIMATE.start_main_~x~4) (<= 10 ULTIMATE.start_main_~y~4)), 17887#(and (<= 10 ULTIMATE.start_main_~y~4) (<= ULTIMATE.start_main_~x~4 42) (<= 42 ULTIMATE.start_main_~x~4)), 17888#(and (<= 11 ULTIMATE.start_main_~y~4) (<= ULTIMATE.start_main_~x~4 42) (<= 42 ULTIMATE.start_main_~x~4)), 17889#(and (<= ULTIMATE.start_main_~x~4 43) (<= 11 ULTIMATE.start_main_~y~4) (<= 43 ULTIMATE.start_main_~x~4)), 17890#(and (<= 12 ULTIMATE.start_main_~y~4) (<= ULTIMATE.start_main_~x~4 43) (<= 43 ULTIMATE.start_main_~x~4)), 17891#(and (<= 44 ULTIMATE.start_main_~x~4) (<= 12 ULTIMATE.start_main_~y~4) (<= ULTIMATE.start_main_~x~4 44)), 17892#(and (<= 44 ULTIMATE.start_main_~x~4) (<= 13 ULTIMATE.start_main_~y~4) (<= ULTIMATE.start_main_~x~4 44)), 17893#(and (<= 13 ULTIMATE.start_main_~y~4) (<= 45 ULTIMATE.start_main_~x~4) (<= ULTIMATE.start_main_~x~4 45)), 17894#(and (<= 14 ULTIMATE.start_main_~y~4) (<= 45 ULTIMATE.start_main_~x~4) (<= ULTIMATE.start_main_~x~4 45)), 17895#(and (<= ULTIMATE.start_main_~x~4 46) (<= 14 ULTIMATE.start_main_~y~4) (<= 46 ULTIMATE.start_main_~x~4)), 17896#(and (<= ULTIMATE.start_main_~x~4 46) (<= 46 ULTIMATE.start_main_~x~4) (<= 15 ULTIMATE.start_main_~y~4)), 17897#(and (<= 47 ULTIMATE.start_main_~x~4) (<= ULTIMATE.start_main_~x~4 47) (<= 15 ULTIMATE.start_main_~y~4)), 17898#(and (<= 47 ULTIMATE.start_main_~x~4) (<= 16 ULTIMATE.start_main_~y~4) (<= ULTIMATE.start_main_~x~4 47)), 17899#(and (<= 48 ULTIMATE.start_main_~x~4) (<= 16 ULTIMATE.start_main_~y~4) (<= ULTIMATE.start_main_~x~4 48)), 17900#(and (<= 48 ULTIMATE.start_main_~x~4) (<= 17 ULTIMATE.start_main_~y~4) (<= ULTIMATE.start_main_~x~4 48)), 17901#(and (<= 49 ULTIMATE.start_main_~x~4) (<= 17 ULTIMATE.start_main_~y~4) (<= ULTIMATE.start_main_~x~4 49)), 17902#(and (<= 18 ULTIMATE.start_main_~y~4) (<= 49 ULTIMATE.start_main_~x~4)), 17903#(and (<= 18 ULTIMATE.start_main_~y~4) (<= 50 ULTIMATE.start_main_~x~4)), 17904#(and (<= 50 ULTIMATE.start_main_~x~4) (<= 17 ULTIMATE.start_main_~y~4)), 17905#(and (<= 51 ULTIMATE.start_main_~x~4) (<= 17 ULTIMATE.start_main_~y~4)), 17906#(and (<= 51 ULTIMATE.start_main_~x~4) (<= 16 ULTIMATE.start_main_~y~4)), 17907#(and (<= 52 ULTIMATE.start_main_~x~4) (<= 16 ULTIMATE.start_main_~y~4)), 17908#(and (<= 52 ULTIMATE.start_main_~x~4) (<= 15 ULTIMATE.start_main_~y~4)), 17909#(and (<= 53 ULTIMATE.start_main_~x~4) (<= 15 ULTIMATE.start_main_~y~4)), 17910#(<= 14 ULTIMATE.start_main_~y~4), 17911#(<= 1 ULTIMATE.start_main_~y~4)] [2018-07-23 13:41:16,106 INFO L134 CoverageAnalysis]: Checked inductivity of 2970 backedges. 0 proven. 2970 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2018-07-23 13:41:16,106 INFO L450 AbstractCegarLoop]: Interpolant automaton has 79 states [2018-07-23 13:41:16,107 INFO L132 InterpolantAutomaton]: Constructing interpolant automaton starting with 79 interpolants. [2018-07-23 13:41:16,107 INFO L133 InterpolantAutomaton]: CoverageRelationStatistics Valid=238, Invalid=5924, Unknown=0, NotChecked=0, Total=6162 [2018-07-23 13:41:16,108 INFO L87 Difference]: Start difference. First operand 113 states and 113 transitions. Second operand 79 states. [2018-07-23 13:41:16,792 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2018-07-23 13:41:16,792 INFO L93 Difference]: Finished difference Result 118 states and 118 transitions. [2018-07-23 13:41:16,792 INFO L142 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 79 states. [2018-07-23 13:41:16,792 INFO L78 Accepts]: Start accepts. Automaton has 79 states. Word has length 112 [2018-07-23 13:41:16,793 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2018-07-23 13:41:16,793 INFO L225 Difference]: With dead ends: 118 [2018-07-23 13:41:16,793 INFO L226 Difference]: Without dead ends: 116 [2018-07-23 13:41:16,795 INFO L575 BasicCegarLoop]: 0 DeclaredPredicates, 80 GetRequests, 1 SyntacticMatches, 1 SemanticMatches, 78 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 563 ImplicationChecksByTransitivity, 0.4s TimeCoverageRelationStatistics Valid=244, Invalid=6076, Unknown=0, NotChecked=0, Total=6320 [2018-07-23 13:41:16,795 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 116 states. [2018-07-23 13:41:16,804 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 116 to 115. [2018-07-23 13:41:16,805 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 115 states. [2018-07-23 13:41:16,805 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 115 states to 115 states and 115 transitions. [2018-07-23 13:41:16,805 INFO L78 Accepts]: Start accepts. Automaton has 115 states and 115 transitions. Word has length 112 [2018-07-23 13:41:16,806 INFO L84 Accepts]: Finished accepts. word is rejected. [2018-07-23 13:41:16,806 INFO L471 AbstractCegarLoop]: Abstraction has 115 states and 115 transitions. [2018-07-23 13:41:16,806 INFO L472 AbstractCegarLoop]: Interpolant automaton has 79 states. [2018-07-23 13:41:16,806 INFO L276 IsEmpty]: Start isEmpty. Operand 115 states and 115 transitions. [2018-07-23 13:41:16,807 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 115 [2018-07-23 13:41:16,807 INFO L349 BasicCegarLoop]: Found error trace [2018-07-23 13:41:16,807 INFO L357 BasicCegarLoop]: trace histogram [56, 55, 1, 1, 1] [2018-07-23 13:41:16,807 INFO L414 AbstractCegarLoop]: === Iteration 56 === [ULTIMATE.startErr0AssertViolationASSERT]=== [2018-07-23 13:41:16,808 INFO L82 PathProgramCache]: Analyzing trace with hash -1597767198, now seen corresponding path program 55 times [2018-07-23 13:41:16,808 INFO L69 tionRefinementEngine]: Using refinement strategy FixedRefinementStrategy [2018-07-23 13:41:16,829 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-07-23 13:41:17,431 INFO L134 CoverageAnalysis]: Checked inductivity of 3080 backedges. 0 proven. 3080 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2018-07-23 13:41:17,432 INFO L309 seRefinementStrategy]: Constructing automaton from 0 perfect and 1 imperfect interpolant sequences. [2018-07-23 13:41:17,432 INFO L324 seRefinementStrategy]: Number of different interpolants: perfect sequences [] imperfect sequences [80] total 80 [2018-07-23 13:41:17,432 INFO L142 lantAutomatonBuilder]: Constructing canonical interpolant automaton, with selfloop in false state [2018-07-23 13:41:17,432 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2018-07-23 13:41:17,433 INFO L185 omatonBuilderFactory]: Interpolants [18432#(and (<= ULTIMATE.start_main_~x~4 41) (<= 41 ULTIMATE.start_main_~x~4) (<= 9 ULTIMATE.start_main_~y~4)), 18433#(and (<= ULTIMATE.start_main_~x~4 41) (<= 41 ULTIMATE.start_main_~x~4) (<= 10 ULTIMATE.start_main_~y~4)), 18434#(and (<= 10 ULTIMATE.start_main_~y~4) (<= ULTIMATE.start_main_~x~4 42) (<= 42 ULTIMATE.start_main_~x~4)), 18435#(and (<= 11 ULTIMATE.start_main_~y~4) (<= ULTIMATE.start_main_~x~4 42) (<= 42 ULTIMATE.start_main_~x~4)), 18436#(and (<= ULTIMATE.start_main_~x~4 43) (<= 11 ULTIMATE.start_main_~y~4) (<= 43 ULTIMATE.start_main_~x~4)), 18437#(and (<= 12 ULTIMATE.start_main_~y~4) (<= ULTIMATE.start_main_~x~4 43) (<= 43 ULTIMATE.start_main_~x~4)), 18438#(and (<= 44 ULTIMATE.start_main_~x~4) (<= 12 ULTIMATE.start_main_~y~4) (<= ULTIMATE.start_main_~x~4 44)), 18439#(and (<= 44 ULTIMATE.start_main_~x~4) (<= 13 ULTIMATE.start_main_~y~4) (<= ULTIMATE.start_main_~x~4 44)), 18440#(and (<= 13 ULTIMATE.start_main_~y~4) (<= 45 ULTIMATE.start_main_~x~4) (<= ULTIMATE.start_main_~x~4 45)), 18441#(and (<= 14 ULTIMATE.start_main_~y~4) (<= 45 ULTIMATE.start_main_~x~4) (<= ULTIMATE.start_main_~x~4 45)), 18442#(and (<= ULTIMATE.start_main_~x~4 46) (<= 14 ULTIMATE.start_main_~y~4) (<= 46 ULTIMATE.start_main_~x~4)), 18443#(and (<= ULTIMATE.start_main_~x~4 46) (<= 46 ULTIMATE.start_main_~x~4) (<= 15 ULTIMATE.start_main_~y~4)), 18444#(and (<= 47 ULTIMATE.start_main_~x~4) (<= ULTIMATE.start_main_~x~4 47) (<= 15 ULTIMATE.start_main_~y~4)), 18445#(and (<= 47 ULTIMATE.start_main_~x~4) (<= 16 ULTIMATE.start_main_~y~4) (<= ULTIMATE.start_main_~x~4 47)), 18446#(and (<= 48 ULTIMATE.start_main_~x~4) (<= 16 ULTIMATE.start_main_~y~4) (<= ULTIMATE.start_main_~x~4 48)), 18447#(and (<= 48 ULTIMATE.start_main_~x~4) (<= 17 ULTIMATE.start_main_~y~4) (<= ULTIMATE.start_main_~x~4 48)), 18448#(and (<= 49 ULTIMATE.start_main_~x~4) (<= 17 ULTIMATE.start_main_~y~4) (<= ULTIMATE.start_main_~x~4 49)), 18449#(and (<= 18 ULTIMATE.start_main_~y~4) (<= 49 ULTIMATE.start_main_~x~4)), 18450#(and (<= 18 ULTIMATE.start_main_~y~4) (<= 50 ULTIMATE.start_main_~x~4)), 18451#(and (<= 50 ULTIMATE.start_main_~x~4) (<= 17 ULTIMATE.start_main_~y~4)), 18452#(and (<= 51 ULTIMATE.start_main_~x~4) (<= 17 ULTIMATE.start_main_~y~4)), 18453#(and (<= 51 ULTIMATE.start_main_~x~4) (<= 16 ULTIMATE.start_main_~y~4)), 18454#(and (<= 52 ULTIMATE.start_main_~x~4) (<= 16 ULTIMATE.start_main_~y~4)), 18455#(and (<= 52 ULTIMATE.start_main_~x~4) (<= 15 ULTIMATE.start_main_~y~4)), 18456#(and (<= 53 ULTIMATE.start_main_~x~4) (<= 15 ULTIMATE.start_main_~y~4)), 18457#(and (<= 53 ULTIMATE.start_main_~x~4) (<= 14 ULTIMATE.start_main_~y~4)), 18458#(and (<= 14 ULTIMATE.start_main_~y~4) (<= 54 ULTIMATE.start_main_~x~4)), 18459#(<= 13 ULTIMATE.start_main_~y~4), 18460#(<= 1 ULTIMATE.start_main_~y~4), 18380#true, 18381#false, 18382#(and (<= ULTIMATE.start_main_~x~4 0) (<= 0 ULTIMATE.start_main_~x~4)), 18383#(and (<= ULTIMATE.start_main_~x~4 1) (<= 1 ULTIMATE.start_main_~x~4)), 18384#(and (<= 2 ULTIMATE.start_main_~x~4) (<= ULTIMATE.start_main_~x~4 2)), 18385#(and (<= 3 ULTIMATE.start_main_~x~4) (<= ULTIMATE.start_main_~x~4 3)), 18386#(and (<= ULTIMATE.start_main_~x~4 4) (<= 4 ULTIMATE.start_main_~x~4)), 18387#(and (<= ULTIMATE.start_main_~x~4 5) (<= 5 ULTIMATE.start_main_~x~4)), 18388#(and (<= 6 ULTIMATE.start_main_~x~4) (<= ULTIMATE.start_main_~x~4 6)), 18389#(and (<= ULTIMATE.start_main_~x~4 7) (<= 7 ULTIMATE.start_main_~x~4)), 18390#(and (<= ULTIMATE.start_main_~x~4 8) (<= 8 ULTIMATE.start_main_~x~4)), 18391#(and (<= 9 ULTIMATE.start_main_~x~4) (<= ULTIMATE.start_main_~x~4 9)), 18392#(and (<= ULTIMATE.start_main_~x~4 10) (<= 10 ULTIMATE.start_main_~x~4)), 18393#(and (<= ULTIMATE.start_main_~x~4 11) (<= 11 ULTIMATE.start_main_~x~4)), 18394#(and (<= 12 ULTIMATE.start_main_~x~4) (<= ULTIMATE.start_main_~x~4 12)), 18395#(and (<= ULTIMATE.start_main_~x~4 13) (<= 13 ULTIMATE.start_main_~x~4)), 18396#(and (<= 14 ULTIMATE.start_main_~x~4) (<= ULTIMATE.start_main_~x~4 14)), 18397#(and (<= 15 ULTIMATE.start_main_~x~4) (<= ULTIMATE.start_main_~x~4 15)), 18398#(and (<= ULTIMATE.start_main_~x~4 16) (<= 16 ULTIMATE.start_main_~x~4)), 18399#(and (<= ULTIMATE.start_main_~x~4 17) (<= 17 ULTIMATE.start_main_~x~4)), 18400#(and (<= 18 ULTIMATE.start_main_~x~4) (<= ULTIMATE.start_main_~x~4 18)), 18401#(and (<= 19 ULTIMATE.start_main_~x~4) (<= ULTIMATE.start_main_~x~4 19)), 18402#(and (<= 20 ULTIMATE.start_main_~x~4) (<= ULTIMATE.start_main_~x~4 20)), 18403#(and (<= ULTIMATE.start_main_~x~4 21) (<= 21 ULTIMATE.start_main_~x~4)), 18404#(and (<= ULTIMATE.start_main_~x~4 22) (<= 22 ULTIMATE.start_main_~x~4)), 18405#(and (<= ULTIMATE.start_main_~x~4 23) (<= 23 ULTIMATE.start_main_~x~4)), 18406#(and (<= ULTIMATE.start_main_~x~4 24) (<= 24 ULTIMATE.start_main_~x~4)), 18407#(and (<= ULTIMATE.start_main_~x~4 25) (<= 25 ULTIMATE.start_main_~x~4)), 18408#(and (<= ULTIMATE.start_main_~x~4 26) (<= 26 ULTIMATE.start_main_~x~4)), 18409#(and (<= ULTIMATE.start_main_~x~4 27) (<= 27 ULTIMATE.start_main_~x~4)), 18410#(and (<= ULTIMATE.start_main_~x~4 28) (<= 28 ULTIMATE.start_main_~x~4)), 18411#(and (<= 29 ULTIMATE.start_main_~x~4) (<= ULTIMATE.start_main_~x~4 29)), 18412#(and (<= ULTIMATE.start_main_~x~4 30) (<= 30 ULTIMATE.start_main_~x~4)), 18413#(and (<= ULTIMATE.start_main_~x~4 31) (<= 31 ULTIMATE.start_main_~x~4)), 18414#(and (<= ULTIMATE.start_main_~x~4 32) (<= 0 ULTIMATE.start_main_~y~4) (<= 32 ULTIMATE.start_main_~x~4)), 18415#(and (<= ULTIMATE.start_main_~x~4 32) (<= 32 ULTIMATE.start_main_~x~4) (<= 1 ULTIMATE.start_main_~y~4)), 18416#(and (<= ULTIMATE.start_main_~x~4 33) (<= 33 ULTIMATE.start_main_~x~4) (<= 1 ULTIMATE.start_main_~y~4)), 18417#(and (<= ULTIMATE.start_main_~x~4 33) (<= 2 ULTIMATE.start_main_~y~4) (<= 33 ULTIMATE.start_main_~x~4)), 18418#(and (<= 34 ULTIMATE.start_main_~x~4) (<= 2 ULTIMATE.start_main_~y~4) (<= ULTIMATE.start_main_~x~4 34)), 18419#(and (<= 34 ULTIMATE.start_main_~x~4) (<= 3 ULTIMATE.start_main_~y~4) (<= ULTIMATE.start_main_~x~4 34)), 18420#(and (<= 3 ULTIMATE.start_main_~y~4) (<= ULTIMATE.start_main_~x~4 35) (<= 35 ULTIMATE.start_main_~x~4)), 18421#(and (<= 4 ULTIMATE.start_main_~y~4) (<= ULTIMATE.start_main_~x~4 35) (<= 35 ULTIMATE.start_main_~x~4)), 18422#(and (<= 36 ULTIMATE.start_main_~x~4) (<= 4 ULTIMATE.start_main_~y~4) (<= ULTIMATE.start_main_~x~4 36)), 18423#(and (<= 36 ULTIMATE.start_main_~x~4) (<= 5 ULTIMATE.start_main_~y~4) (<= ULTIMATE.start_main_~x~4 36)), 18424#(and (<= ULTIMATE.start_main_~x~4 37) (<= 5 ULTIMATE.start_main_~y~4) (<= 37 ULTIMATE.start_main_~x~4)), 18425#(and (<= ULTIMATE.start_main_~x~4 37) (<= 6 ULTIMATE.start_main_~y~4) (<= 37 ULTIMATE.start_main_~x~4)), 18426#(and (<= 38 ULTIMATE.start_main_~x~4) (<= ULTIMATE.start_main_~x~4 38) (<= 6 ULTIMATE.start_main_~y~4)), 18427#(and (<= 38 ULTIMATE.start_main_~x~4) (<= 7 ULTIMATE.start_main_~y~4) (<= ULTIMATE.start_main_~x~4 38)), 18428#(and (<= 7 ULTIMATE.start_main_~y~4) (<= ULTIMATE.start_main_~x~4 39) (<= 39 ULTIMATE.start_main_~x~4)), 18429#(and (<= ULTIMATE.start_main_~x~4 39) (<= 8 ULTIMATE.start_main_~y~4) (<= 39 ULTIMATE.start_main_~x~4)), 18430#(and (<= ULTIMATE.start_main_~x~4 40) (<= 8 ULTIMATE.start_main_~y~4) (<= 40 ULTIMATE.start_main_~x~4)), 18431#(and (<= ULTIMATE.start_main_~x~4 40) (<= 40 ULTIMATE.start_main_~x~4) (<= 9 ULTIMATE.start_main_~y~4))] [2018-07-23 13:41:17,434 INFO L134 CoverageAnalysis]: Checked inductivity of 3080 backedges. 0 proven. 3080 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2018-07-23 13:41:17,434 INFO L450 AbstractCegarLoop]: Interpolant automaton has 81 states [2018-07-23 13:41:17,434 INFO L132 InterpolantAutomaton]: Constructing interpolant automaton starting with 81 interpolants. [2018-07-23 13:41:17,435 INFO L133 InterpolantAutomaton]: CoverageRelationStatistics Valid=250, Invalid=6230, Unknown=0, NotChecked=0, Total=6480 [2018-07-23 13:41:17,435 INFO L87 Difference]: Start difference. First operand 115 states and 115 transitions. Second operand 81 states. [2018-07-23 13:41:18,039 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2018-07-23 13:41:18,039 INFO L93 Difference]: Finished difference Result 120 states and 120 transitions. [2018-07-23 13:41:18,039 INFO L142 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 81 states. [2018-07-23 13:41:18,039 INFO L78 Accepts]: Start accepts. Automaton has 81 states. Word has length 114 [2018-07-23 13:41:18,040 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2018-07-23 13:41:18,040 INFO L225 Difference]: With dead ends: 120 [2018-07-23 13:41:18,040 INFO L226 Difference]: Without dead ends: 118 [2018-07-23 13:41:18,041 INFO L575 BasicCegarLoop]: 0 DeclaredPredicates, 82 GetRequests, 1 SyntacticMatches, 1 SemanticMatches, 80 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 621 ImplicationChecksByTransitivity, 0.4s TimeCoverageRelationStatistics Valid=256, Invalid=6386, Unknown=0, NotChecked=0, Total=6642 [2018-07-23 13:41:18,041 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 118 states. [2018-07-23 13:41:18,048 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 118 to 117. [2018-07-23 13:41:18,048 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 117 states. [2018-07-23 13:41:18,049 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 117 states to 117 states and 117 transitions. [2018-07-23 13:41:18,049 INFO L78 Accepts]: Start accepts. Automaton has 117 states and 117 transitions. Word has length 114 [2018-07-23 13:41:18,049 INFO L84 Accepts]: Finished accepts. word is rejected. [2018-07-23 13:41:18,049 INFO L471 AbstractCegarLoop]: Abstraction has 117 states and 117 transitions. [2018-07-23 13:41:18,049 INFO L472 AbstractCegarLoop]: Interpolant automaton has 81 states. [2018-07-23 13:41:18,049 INFO L276 IsEmpty]: Start isEmpty. Operand 117 states and 117 transitions. [2018-07-23 13:41:18,050 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 117 [2018-07-23 13:41:18,050 INFO L349 BasicCegarLoop]: Found error trace [2018-07-23 13:41:18,050 INFO L357 BasicCegarLoop]: trace histogram [57, 56, 1, 1, 1] [2018-07-23 13:41:18,051 INFO L414 AbstractCegarLoop]: === Iteration 57 === [ULTIMATE.startErr0AssertViolationASSERT]=== [2018-07-23 13:41:18,051 INFO L82 PathProgramCache]: Analyzing trace with hash 2144078472, now seen corresponding path program 56 times [2018-07-23 13:41:18,051 INFO L69 tionRefinementEngine]: Using refinement strategy FixedRefinementStrategy [2018-07-23 13:41:18,070 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-07-23 13:41:18,623 INFO L134 CoverageAnalysis]: Checked inductivity of 3192 backedges. 0 proven. 3192 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2018-07-23 13:41:18,623 INFO L309 seRefinementStrategy]: Constructing automaton from 0 perfect and 1 imperfect interpolant sequences. [2018-07-23 13:41:18,623 INFO L324 seRefinementStrategy]: Number of different interpolants: perfect sequences [] imperfect sequences [82] total 82 [2018-07-23 13:41:18,624 INFO L142 lantAutomatonBuilder]: Constructing canonical interpolant automaton, with selfloop in false state [2018-07-23 13:41:18,624 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2018-07-23 13:41:18,624 INFO L185 omatonBuilderFactory]: Interpolants [18944#(and (<= ULTIMATE.start_main_~x~4 5) (<= 5 ULTIMATE.start_main_~x~4)), 18945#(and (<= 6 ULTIMATE.start_main_~x~4) (<= ULTIMATE.start_main_~x~4 6)), 18946#(and (<= ULTIMATE.start_main_~x~4 7) (<= 7 ULTIMATE.start_main_~x~4)), 18947#(and (<= ULTIMATE.start_main_~x~4 8) (<= 8 ULTIMATE.start_main_~x~4)), 18948#(and (<= 9 ULTIMATE.start_main_~x~4) (<= ULTIMATE.start_main_~x~4 9)), 18949#(and (<= ULTIMATE.start_main_~x~4 10) (<= 10 ULTIMATE.start_main_~x~4)), 18950#(and (<= ULTIMATE.start_main_~x~4 11) (<= 11 ULTIMATE.start_main_~x~4)), 18951#(and (<= 12 ULTIMATE.start_main_~x~4) (<= ULTIMATE.start_main_~x~4 12)), 18952#(and (<= ULTIMATE.start_main_~x~4 13) (<= 13 ULTIMATE.start_main_~x~4)), 18953#(and (<= 14 ULTIMATE.start_main_~x~4) (<= ULTIMATE.start_main_~x~4 14)), 18954#(and (<= 15 ULTIMATE.start_main_~x~4) (<= ULTIMATE.start_main_~x~4 15)), 18955#(and (<= ULTIMATE.start_main_~x~4 16) (<= 16 ULTIMATE.start_main_~x~4)), 18956#(and (<= ULTIMATE.start_main_~x~4 17) (<= 17 ULTIMATE.start_main_~x~4)), 18957#(and (<= 18 ULTIMATE.start_main_~x~4) (<= ULTIMATE.start_main_~x~4 18)), 18958#(and (<= 19 ULTIMATE.start_main_~x~4) (<= ULTIMATE.start_main_~x~4 19)), 18959#(and (<= 20 ULTIMATE.start_main_~x~4) (<= ULTIMATE.start_main_~x~4 20)), 18960#(and (<= ULTIMATE.start_main_~x~4 21) (<= 21 ULTIMATE.start_main_~x~4)), 18961#(and (<= ULTIMATE.start_main_~x~4 22) (<= 22 ULTIMATE.start_main_~x~4)), 18962#(and (<= ULTIMATE.start_main_~x~4 23) (<= 23 ULTIMATE.start_main_~x~4)), 18963#(and (<= ULTIMATE.start_main_~x~4 24) (<= 24 ULTIMATE.start_main_~x~4)), 18964#(and (<= ULTIMATE.start_main_~x~4 25) (<= 25 ULTIMATE.start_main_~x~4)), 18965#(and (<= ULTIMATE.start_main_~x~4 26) (<= 26 ULTIMATE.start_main_~x~4)), 18966#(and (<= ULTIMATE.start_main_~x~4 27) (<= 27 ULTIMATE.start_main_~x~4)), 18967#(and (<= ULTIMATE.start_main_~x~4 28) (<= 28 ULTIMATE.start_main_~x~4)), 18968#(and (<= 29 ULTIMATE.start_main_~x~4) (<= ULTIMATE.start_main_~x~4 29)), 18969#(and (<= ULTIMATE.start_main_~x~4 30) (<= 30 ULTIMATE.start_main_~x~4)), 18970#(and (<= ULTIMATE.start_main_~x~4 31) (<= 31 ULTIMATE.start_main_~x~4)), 18971#(and (<= ULTIMATE.start_main_~x~4 32) (<= 0 ULTIMATE.start_main_~y~4) (<= 32 ULTIMATE.start_main_~x~4)), 18972#(and (<= ULTIMATE.start_main_~x~4 32) (<= 32 ULTIMATE.start_main_~x~4) (<= 1 ULTIMATE.start_main_~y~4)), 18973#(and (<= ULTIMATE.start_main_~x~4 33) (<= 33 ULTIMATE.start_main_~x~4) (<= 1 ULTIMATE.start_main_~y~4)), 18974#(and (<= ULTIMATE.start_main_~x~4 33) (<= 2 ULTIMATE.start_main_~y~4) (<= 33 ULTIMATE.start_main_~x~4)), 18975#(and (<= 34 ULTIMATE.start_main_~x~4) (<= 2 ULTIMATE.start_main_~y~4) (<= ULTIMATE.start_main_~x~4 34)), 18976#(and (<= 34 ULTIMATE.start_main_~x~4) (<= 3 ULTIMATE.start_main_~y~4) (<= ULTIMATE.start_main_~x~4 34)), 18977#(and (<= 3 ULTIMATE.start_main_~y~4) (<= ULTIMATE.start_main_~x~4 35) (<= 35 ULTIMATE.start_main_~x~4)), 18978#(and (<= 4 ULTIMATE.start_main_~y~4) (<= ULTIMATE.start_main_~x~4 35) (<= 35 ULTIMATE.start_main_~x~4)), 18979#(and (<= 36 ULTIMATE.start_main_~x~4) (<= 4 ULTIMATE.start_main_~y~4) (<= ULTIMATE.start_main_~x~4 36)), 18980#(and (<= 36 ULTIMATE.start_main_~x~4) (<= 5 ULTIMATE.start_main_~y~4) (<= ULTIMATE.start_main_~x~4 36)), 18981#(and (<= ULTIMATE.start_main_~x~4 37) (<= 5 ULTIMATE.start_main_~y~4) (<= 37 ULTIMATE.start_main_~x~4)), 18982#(and (<= ULTIMATE.start_main_~x~4 37) (<= 6 ULTIMATE.start_main_~y~4) (<= 37 ULTIMATE.start_main_~x~4)), 18983#(and (<= 38 ULTIMATE.start_main_~x~4) (<= ULTIMATE.start_main_~x~4 38) (<= 6 ULTIMATE.start_main_~y~4)), 18984#(and (<= 38 ULTIMATE.start_main_~x~4) (<= 7 ULTIMATE.start_main_~y~4) (<= ULTIMATE.start_main_~x~4 38)), 18985#(and (<= 7 ULTIMATE.start_main_~y~4) (<= ULTIMATE.start_main_~x~4 39) (<= 39 ULTIMATE.start_main_~x~4)), 18986#(and (<= ULTIMATE.start_main_~x~4 39) (<= 8 ULTIMATE.start_main_~y~4) (<= 39 ULTIMATE.start_main_~x~4)), 18987#(and (<= ULTIMATE.start_main_~x~4 40) (<= 8 ULTIMATE.start_main_~y~4) (<= 40 ULTIMATE.start_main_~x~4)), 18988#(and (<= ULTIMATE.start_main_~x~4 40) (<= 40 ULTIMATE.start_main_~x~4) (<= 9 ULTIMATE.start_main_~y~4)), 18989#(and (<= ULTIMATE.start_main_~x~4 41) (<= 41 ULTIMATE.start_main_~x~4) (<= 9 ULTIMATE.start_main_~y~4)), 18990#(and (<= ULTIMATE.start_main_~x~4 41) (<= 41 ULTIMATE.start_main_~x~4) (<= 10 ULTIMATE.start_main_~y~4)), 18991#(and (<= 10 ULTIMATE.start_main_~y~4) (<= ULTIMATE.start_main_~x~4 42) (<= 42 ULTIMATE.start_main_~x~4)), 18992#(and (<= 11 ULTIMATE.start_main_~y~4) (<= ULTIMATE.start_main_~x~4 42) (<= 42 ULTIMATE.start_main_~x~4)), 18993#(and (<= ULTIMATE.start_main_~x~4 43) (<= 11 ULTIMATE.start_main_~y~4) (<= 43 ULTIMATE.start_main_~x~4)), 18994#(and (<= 12 ULTIMATE.start_main_~y~4) (<= ULTIMATE.start_main_~x~4 43) (<= 43 ULTIMATE.start_main_~x~4)), 18995#(and (<= 44 ULTIMATE.start_main_~x~4) (<= 12 ULTIMATE.start_main_~y~4) (<= ULTIMATE.start_main_~x~4 44)), 18996#(and (<= 44 ULTIMATE.start_main_~x~4) (<= 13 ULTIMATE.start_main_~y~4) (<= ULTIMATE.start_main_~x~4 44)), 18997#(and (<= 13 ULTIMATE.start_main_~y~4) (<= 45 ULTIMATE.start_main_~x~4) (<= ULTIMATE.start_main_~x~4 45)), 18998#(and (<= 14 ULTIMATE.start_main_~y~4) (<= 45 ULTIMATE.start_main_~x~4) (<= ULTIMATE.start_main_~x~4 45)), 18999#(and (<= ULTIMATE.start_main_~x~4 46) (<= 14 ULTIMATE.start_main_~y~4) (<= 46 ULTIMATE.start_main_~x~4)), 19000#(and (<= ULTIMATE.start_main_~x~4 46) (<= 46 ULTIMATE.start_main_~x~4) (<= 15 ULTIMATE.start_main_~y~4)), 19001#(and (<= 47 ULTIMATE.start_main_~x~4) (<= ULTIMATE.start_main_~x~4 47) (<= 15 ULTIMATE.start_main_~y~4)), 19002#(and (<= 47 ULTIMATE.start_main_~x~4) (<= 16 ULTIMATE.start_main_~y~4) (<= ULTIMATE.start_main_~x~4 47)), 19003#(and (<= 48 ULTIMATE.start_main_~x~4) (<= 16 ULTIMATE.start_main_~y~4) (<= ULTIMATE.start_main_~x~4 48)), 19004#(and (<= 48 ULTIMATE.start_main_~x~4) (<= 17 ULTIMATE.start_main_~y~4) (<= ULTIMATE.start_main_~x~4 48)), 19005#(and (<= 49 ULTIMATE.start_main_~x~4) (<= 17 ULTIMATE.start_main_~y~4) (<= ULTIMATE.start_main_~x~4 49)), 19006#(and (<= 18 ULTIMATE.start_main_~y~4) (<= 49 ULTIMATE.start_main_~x~4)), 19007#(and (<= 18 ULTIMATE.start_main_~y~4) (<= 50 ULTIMATE.start_main_~x~4)), 19008#(and (<= 50 ULTIMATE.start_main_~x~4) (<= 17 ULTIMATE.start_main_~y~4)), 19009#(and (<= 51 ULTIMATE.start_main_~x~4) (<= 17 ULTIMATE.start_main_~y~4)), 19010#(and (<= 51 ULTIMATE.start_main_~x~4) (<= 16 ULTIMATE.start_main_~y~4)), 19011#(and (<= 52 ULTIMATE.start_main_~x~4) (<= 16 ULTIMATE.start_main_~y~4)), 19012#(and (<= 52 ULTIMATE.start_main_~x~4) (<= 15 ULTIMATE.start_main_~y~4)), 19013#(and (<= 53 ULTIMATE.start_main_~x~4) (<= 15 ULTIMATE.start_main_~y~4)), 19014#(and (<= 53 ULTIMATE.start_main_~x~4) (<= 14 ULTIMATE.start_main_~y~4)), 19015#(and (<= 14 ULTIMATE.start_main_~y~4) (<= 54 ULTIMATE.start_main_~x~4)), 19016#(and (<= 13 ULTIMATE.start_main_~y~4) (<= 54 ULTIMATE.start_main_~x~4)), 19017#(and (<= 13 ULTIMATE.start_main_~y~4) (<= 55 ULTIMATE.start_main_~x~4)), 19018#(<= 12 ULTIMATE.start_main_~y~4), 19019#(<= 1 ULTIMATE.start_main_~y~4), 18937#true, 18938#false, 18939#(and (<= ULTIMATE.start_main_~x~4 0) (<= 0 ULTIMATE.start_main_~x~4)), 18940#(and (<= ULTIMATE.start_main_~x~4 1) (<= 1 ULTIMATE.start_main_~x~4)), 18941#(and (<= 2 ULTIMATE.start_main_~x~4) (<= ULTIMATE.start_main_~x~4 2)), 18942#(and (<= 3 ULTIMATE.start_main_~x~4) (<= ULTIMATE.start_main_~x~4 3)), 18943#(and (<= ULTIMATE.start_main_~x~4 4) (<= 4 ULTIMATE.start_main_~x~4))] [2018-07-23 13:41:18,625 INFO L134 CoverageAnalysis]: Checked inductivity of 3192 backedges. 0 proven. 3192 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2018-07-23 13:41:18,625 INFO L450 AbstractCegarLoop]: Interpolant automaton has 83 states [2018-07-23 13:41:18,626 INFO L132 InterpolantAutomaton]: Constructing interpolant automaton starting with 83 interpolants. [2018-07-23 13:41:18,626 INFO L133 InterpolantAutomaton]: CoverageRelationStatistics Valid=262, Invalid=6544, Unknown=0, NotChecked=0, Total=6806 [2018-07-23 13:41:18,626 INFO L87 Difference]: Start difference. First operand 117 states and 117 transitions. Second operand 83 states. [2018-07-23 13:41:19,283 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2018-07-23 13:41:19,284 INFO L93 Difference]: Finished difference Result 122 states and 122 transitions. [2018-07-23 13:41:19,284 INFO L142 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 83 states. [2018-07-23 13:41:19,284 INFO L78 Accepts]: Start accepts. Automaton has 83 states. Word has length 116 [2018-07-23 13:41:19,284 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2018-07-23 13:41:19,285 INFO L225 Difference]: With dead ends: 122 [2018-07-23 13:41:19,285 INFO L226 Difference]: Without dead ends: 120 [2018-07-23 13:41:19,286 INFO L575 BasicCegarLoop]: 0 DeclaredPredicates, 84 GetRequests, 1 SyntacticMatches, 1 SemanticMatches, 82 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 683 ImplicationChecksByTransitivity, 0.4s TimeCoverageRelationStatistics Valid=268, Invalid=6704, Unknown=0, NotChecked=0, Total=6972 [2018-07-23 13:41:19,287 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 120 states. [2018-07-23 13:41:19,295 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 120 to 119. [2018-07-23 13:41:19,295 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 119 states. [2018-07-23 13:41:19,295 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 119 states to 119 states and 119 transitions. [2018-07-23 13:41:19,295 INFO L78 Accepts]: Start accepts. Automaton has 119 states and 119 transitions. Word has length 116 [2018-07-23 13:41:19,296 INFO L84 Accepts]: Finished accepts. word is rejected. [2018-07-23 13:41:19,296 INFO L471 AbstractCegarLoop]: Abstraction has 119 states and 119 transitions. [2018-07-23 13:41:19,296 INFO L472 AbstractCegarLoop]: Interpolant automaton has 83 states. [2018-07-23 13:41:19,296 INFO L276 IsEmpty]: Start isEmpty. Operand 119 states and 119 transitions. [2018-07-23 13:41:19,297 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 119 [2018-07-23 13:41:19,297 INFO L349 BasicCegarLoop]: Found error trace [2018-07-23 13:41:19,297 INFO L357 BasicCegarLoop]: trace histogram [58, 57, 1, 1, 1] [2018-07-23 13:41:19,297 INFO L414 AbstractCegarLoop]: === Iteration 58 === [ULTIMATE.startErr0AssertViolationASSERT]=== [2018-07-23 13:41:19,298 INFO L82 PathProgramCache]: Analyzing trace with hash -1124826706, now seen corresponding path program 57 times [2018-07-23 13:41:19,298 INFO L69 tionRefinementEngine]: Using refinement strategy FixedRefinementStrategy [2018-07-23 13:41:19,319 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-07-23 13:41:19,915 INFO L134 CoverageAnalysis]: Checked inductivity of 3306 backedges. 0 proven. 3306 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2018-07-23 13:41:19,915 INFO L309 seRefinementStrategy]: Constructing automaton from 0 perfect and 1 imperfect interpolant sequences. [2018-07-23 13:41:19,915 INFO L324 seRefinementStrategy]: Number of different interpolants: perfect sequences [] imperfect sequences [84] total 84 [2018-07-23 13:41:19,916 INFO L142 lantAutomatonBuilder]: Constructing canonical interpolant automaton, with selfloop in false state [2018-07-23 13:41:19,916 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2018-07-23 13:41:19,917 INFO L185 omatonBuilderFactory]: Interpolants [19584#(and (<= 13 ULTIMATE.start_main_~y~4) (<= 55 ULTIMATE.start_main_~x~4)), 19585#(and (<= 12 ULTIMATE.start_main_~y~4) (<= 55 ULTIMATE.start_main_~x~4)), 19586#(and (<= 56 ULTIMATE.start_main_~x~4) (<= 12 ULTIMATE.start_main_~y~4)), 19587#(<= 11 ULTIMATE.start_main_~y~4), 19588#(<= 1 ULTIMATE.start_main_~y~4), 19504#true, 19505#false, 19506#(and (<= ULTIMATE.start_main_~x~4 0) (<= 0 ULTIMATE.start_main_~x~4)), 19507#(and (<= ULTIMATE.start_main_~x~4 1) (<= 1 ULTIMATE.start_main_~x~4)), 19508#(and (<= 2 ULTIMATE.start_main_~x~4) (<= ULTIMATE.start_main_~x~4 2)), 19509#(and (<= 3 ULTIMATE.start_main_~x~4) (<= ULTIMATE.start_main_~x~4 3)), 19510#(and (<= ULTIMATE.start_main_~x~4 4) (<= 4 ULTIMATE.start_main_~x~4)), 19511#(and (<= ULTIMATE.start_main_~x~4 5) (<= 5 ULTIMATE.start_main_~x~4)), 19512#(and (<= 6 ULTIMATE.start_main_~x~4) (<= ULTIMATE.start_main_~x~4 6)), 19513#(and (<= ULTIMATE.start_main_~x~4 7) (<= 7 ULTIMATE.start_main_~x~4)), 19514#(and (<= ULTIMATE.start_main_~x~4 8) (<= 8 ULTIMATE.start_main_~x~4)), 19515#(and (<= 9 ULTIMATE.start_main_~x~4) (<= ULTIMATE.start_main_~x~4 9)), 19516#(and (<= ULTIMATE.start_main_~x~4 10) (<= 10 ULTIMATE.start_main_~x~4)), 19517#(and (<= ULTIMATE.start_main_~x~4 11) (<= 11 ULTIMATE.start_main_~x~4)), 19518#(and (<= 12 ULTIMATE.start_main_~x~4) (<= ULTIMATE.start_main_~x~4 12)), 19519#(and (<= ULTIMATE.start_main_~x~4 13) (<= 13 ULTIMATE.start_main_~x~4)), 19520#(and (<= 14 ULTIMATE.start_main_~x~4) (<= ULTIMATE.start_main_~x~4 14)), 19521#(and (<= 15 ULTIMATE.start_main_~x~4) (<= ULTIMATE.start_main_~x~4 15)), 19522#(and (<= ULTIMATE.start_main_~x~4 16) (<= 16 ULTIMATE.start_main_~x~4)), 19523#(and (<= ULTIMATE.start_main_~x~4 17) (<= 17 ULTIMATE.start_main_~x~4)), 19524#(and (<= 18 ULTIMATE.start_main_~x~4) (<= ULTIMATE.start_main_~x~4 18)), 19525#(and (<= 19 ULTIMATE.start_main_~x~4) (<= ULTIMATE.start_main_~x~4 19)), 19526#(and (<= 20 ULTIMATE.start_main_~x~4) (<= ULTIMATE.start_main_~x~4 20)), 19527#(and (<= ULTIMATE.start_main_~x~4 21) (<= 21 ULTIMATE.start_main_~x~4)), 19528#(and (<= ULTIMATE.start_main_~x~4 22) (<= 22 ULTIMATE.start_main_~x~4)), 19529#(and (<= ULTIMATE.start_main_~x~4 23) (<= 23 ULTIMATE.start_main_~x~4)), 19530#(and (<= ULTIMATE.start_main_~x~4 24) (<= 24 ULTIMATE.start_main_~x~4)), 19531#(and (<= ULTIMATE.start_main_~x~4 25) (<= 25 ULTIMATE.start_main_~x~4)), 19532#(and (<= ULTIMATE.start_main_~x~4 26) (<= 26 ULTIMATE.start_main_~x~4)), 19533#(and (<= ULTIMATE.start_main_~x~4 27) (<= 27 ULTIMATE.start_main_~x~4)), 19534#(and (<= ULTIMATE.start_main_~x~4 28) (<= 28 ULTIMATE.start_main_~x~4)), 19535#(and (<= 29 ULTIMATE.start_main_~x~4) (<= ULTIMATE.start_main_~x~4 29)), 19536#(and (<= ULTIMATE.start_main_~x~4 30) (<= 30 ULTIMATE.start_main_~x~4)), 19537#(and (<= ULTIMATE.start_main_~x~4 31) (<= 31 ULTIMATE.start_main_~x~4)), 19538#(and (<= ULTIMATE.start_main_~x~4 32) (<= 0 ULTIMATE.start_main_~y~4) (<= 32 ULTIMATE.start_main_~x~4)), 19539#(and (<= ULTIMATE.start_main_~x~4 32) (<= 32 ULTIMATE.start_main_~x~4) (<= 1 ULTIMATE.start_main_~y~4)), 19540#(and (<= ULTIMATE.start_main_~x~4 33) (<= 33 ULTIMATE.start_main_~x~4) (<= 1 ULTIMATE.start_main_~y~4)), 19541#(and (<= ULTIMATE.start_main_~x~4 33) (<= 2 ULTIMATE.start_main_~y~4) (<= 33 ULTIMATE.start_main_~x~4)), 19542#(and (<= 34 ULTIMATE.start_main_~x~4) (<= 2 ULTIMATE.start_main_~y~4) (<= ULTIMATE.start_main_~x~4 34)), 19543#(and (<= 34 ULTIMATE.start_main_~x~4) (<= 3 ULTIMATE.start_main_~y~4) (<= ULTIMATE.start_main_~x~4 34)), 19544#(and (<= 3 ULTIMATE.start_main_~y~4) (<= ULTIMATE.start_main_~x~4 35) (<= 35 ULTIMATE.start_main_~x~4)), 19545#(and (<= 4 ULTIMATE.start_main_~y~4) (<= ULTIMATE.start_main_~x~4 35) (<= 35 ULTIMATE.start_main_~x~4)), 19546#(and (<= 36 ULTIMATE.start_main_~x~4) (<= 4 ULTIMATE.start_main_~y~4) (<= ULTIMATE.start_main_~x~4 36)), 19547#(and (<= 36 ULTIMATE.start_main_~x~4) (<= 5 ULTIMATE.start_main_~y~4) (<= ULTIMATE.start_main_~x~4 36)), 19548#(and (<= ULTIMATE.start_main_~x~4 37) (<= 5 ULTIMATE.start_main_~y~4) (<= 37 ULTIMATE.start_main_~x~4)), 19549#(and (<= ULTIMATE.start_main_~x~4 37) (<= 6 ULTIMATE.start_main_~y~4) (<= 37 ULTIMATE.start_main_~x~4)), 19550#(and (<= 38 ULTIMATE.start_main_~x~4) (<= ULTIMATE.start_main_~x~4 38) (<= 6 ULTIMATE.start_main_~y~4)), 19551#(and (<= 38 ULTIMATE.start_main_~x~4) (<= 7 ULTIMATE.start_main_~y~4) (<= ULTIMATE.start_main_~x~4 38)), 19552#(and (<= 7 ULTIMATE.start_main_~y~4) (<= ULTIMATE.start_main_~x~4 39) (<= 39 ULTIMATE.start_main_~x~4)), 19553#(and (<= ULTIMATE.start_main_~x~4 39) (<= 8 ULTIMATE.start_main_~y~4) (<= 39 ULTIMATE.start_main_~x~4)), 19554#(and (<= ULTIMATE.start_main_~x~4 40) (<= 8 ULTIMATE.start_main_~y~4) (<= 40 ULTIMATE.start_main_~x~4)), 19555#(and (<= ULTIMATE.start_main_~x~4 40) (<= 40 ULTIMATE.start_main_~x~4) (<= 9 ULTIMATE.start_main_~y~4)), 19556#(and (<= ULTIMATE.start_main_~x~4 41) (<= 41 ULTIMATE.start_main_~x~4) (<= 9 ULTIMATE.start_main_~y~4)), 19557#(and (<= ULTIMATE.start_main_~x~4 41) (<= 41 ULTIMATE.start_main_~x~4) (<= 10 ULTIMATE.start_main_~y~4)), 19558#(and (<= 10 ULTIMATE.start_main_~y~4) (<= ULTIMATE.start_main_~x~4 42) (<= 42 ULTIMATE.start_main_~x~4)), 19559#(and (<= 11 ULTIMATE.start_main_~y~4) (<= ULTIMATE.start_main_~x~4 42) (<= 42 ULTIMATE.start_main_~x~4)), 19560#(and (<= ULTIMATE.start_main_~x~4 43) (<= 11 ULTIMATE.start_main_~y~4) (<= 43 ULTIMATE.start_main_~x~4)), 19561#(and (<= 12 ULTIMATE.start_main_~y~4) (<= ULTIMATE.start_main_~x~4 43) (<= 43 ULTIMATE.start_main_~x~4)), 19562#(and (<= 44 ULTIMATE.start_main_~x~4) (<= 12 ULTIMATE.start_main_~y~4) (<= ULTIMATE.start_main_~x~4 44)), 19563#(and (<= 44 ULTIMATE.start_main_~x~4) (<= 13 ULTIMATE.start_main_~y~4) (<= ULTIMATE.start_main_~x~4 44)), 19564#(and (<= 13 ULTIMATE.start_main_~y~4) (<= 45 ULTIMATE.start_main_~x~4) (<= ULTIMATE.start_main_~x~4 45)), 19565#(and (<= 14 ULTIMATE.start_main_~y~4) (<= 45 ULTIMATE.start_main_~x~4) (<= ULTIMATE.start_main_~x~4 45)), 19566#(and (<= ULTIMATE.start_main_~x~4 46) (<= 14 ULTIMATE.start_main_~y~4) (<= 46 ULTIMATE.start_main_~x~4)), 19567#(and (<= ULTIMATE.start_main_~x~4 46) (<= 46 ULTIMATE.start_main_~x~4) (<= 15 ULTIMATE.start_main_~y~4)), 19568#(and (<= 47 ULTIMATE.start_main_~x~4) (<= ULTIMATE.start_main_~x~4 47) (<= 15 ULTIMATE.start_main_~y~4)), 19569#(and (<= 47 ULTIMATE.start_main_~x~4) (<= 16 ULTIMATE.start_main_~y~4) (<= ULTIMATE.start_main_~x~4 47)), 19570#(and (<= 48 ULTIMATE.start_main_~x~4) (<= 16 ULTIMATE.start_main_~y~4) (<= ULTIMATE.start_main_~x~4 48)), 19571#(and (<= 48 ULTIMATE.start_main_~x~4) (<= 17 ULTIMATE.start_main_~y~4) (<= ULTIMATE.start_main_~x~4 48)), 19572#(and (<= 49 ULTIMATE.start_main_~x~4) (<= 17 ULTIMATE.start_main_~y~4) (<= ULTIMATE.start_main_~x~4 49)), 19573#(and (<= 18 ULTIMATE.start_main_~y~4) (<= 49 ULTIMATE.start_main_~x~4)), 19574#(and (<= 18 ULTIMATE.start_main_~y~4) (<= 50 ULTIMATE.start_main_~x~4)), 19575#(and (<= 50 ULTIMATE.start_main_~x~4) (<= 17 ULTIMATE.start_main_~y~4)), 19576#(and (<= 51 ULTIMATE.start_main_~x~4) (<= 17 ULTIMATE.start_main_~y~4)), 19577#(and (<= 51 ULTIMATE.start_main_~x~4) (<= 16 ULTIMATE.start_main_~y~4)), 19578#(and (<= 52 ULTIMATE.start_main_~x~4) (<= 16 ULTIMATE.start_main_~y~4)), 19579#(and (<= 52 ULTIMATE.start_main_~x~4) (<= 15 ULTIMATE.start_main_~y~4)), 19580#(and (<= 53 ULTIMATE.start_main_~x~4) (<= 15 ULTIMATE.start_main_~y~4)), 19581#(and (<= 53 ULTIMATE.start_main_~x~4) (<= 14 ULTIMATE.start_main_~y~4)), 19582#(and (<= 14 ULTIMATE.start_main_~y~4) (<= 54 ULTIMATE.start_main_~x~4)), 19583#(and (<= 13 ULTIMATE.start_main_~y~4) (<= 54 ULTIMATE.start_main_~x~4))] [2018-07-23 13:41:19,917 INFO L134 CoverageAnalysis]: Checked inductivity of 3306 backedges. 0 proven. 3306 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2018-07-23 13:41:19,917 INFO L450 AbstractCegarLoop]: Interpolant automaton has 85 states [2018-07-23 13:41:19,918 INFO L132 InterpolantAutomaton]: Constructing interpolant automaton starting with 85 interpolants. [2018-07-23 13:41:19,918 INFO L133 InterpolantAutomaton]: CoverageRelationStatistics Valid=274, Invalid=6866, Unknown=0, NotChecked=0, Total=7140 [2018-07-23 13:41:19,919 INFO L87 Difference]: Start difference. First operand 119 states and 119 transitions. Second operand 85 states. [2018-07-23 13:41:20,477 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2018-07-23 13:41:20,477 INFO L93 Difference]: Finished difference Result 124 states and 124 transitions. [2018-07-23 13:41:20,477 INFO L142 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 85 states. [2018-07-23 13:41:20,477 INFO L78 Accepts]: Start accepts. Automaton has 85 states. Word has length 118 [2018-07-23 13:41:20,478 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2018-07-23 13:41:20,478 INFO L225 Difference]: With dead ends: 124 [2018-07-23 13:41:20,478 INFO L226 Difference]: Without dead ends: 122 [2018-07-23 13:41:20,479 INFO L575 BasicCegarLoop]: 0 DeclaredPredicates, 86 GetRequests, 1 SyntacticMatches, 1 SemanticMatches, 84 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 749 ImplicationChecksByTransitivity, 0.4s TimeCoverageRelationStatistics Valid=280, Invalid=7030, Unknown=0, NotChecked=0, Total=7310 [2018-07-23 13:41:20,480 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 122 states. [2018-07-23 13:41:20,488 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 122 to 121. [2018-07-23 13:41:20,488 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 121 states. [2018-07-23 13:41:20,489 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 121 states to 121 states and 121 transitions. [2018-07-23 13:41:20,489 INFO L78 Accepts]: Start accepts. Automaton has 121 states and 121 transitions. Word has length 118 [2018-07-23 13:41:20,489 INFO L84 Accepts]: Finished accepts. word is rejected. [2018-07-23 13:41:20,489 INFO L471 AbstractCegarLoop]: Abstraction has 121 states and 121 transitions. [2018-07-23 13:41:20,490 INFO L472 AbstractCegarLoop]: Interpolant automaton has 85 states. [2018-07-23 13:41:20,490 INFO L276 IsEmpty]: Start isEmpty. Operand 121 states and 121 transitions. [2018-07-23 13:41:20,491 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 121 [2018-07-23 13:41:20,491 INFO L349 BasicCegarLoop]: Found error trace [2018-07-23 13:41:20,491 INFO L357 BasicCegarLoop]: trace histogram [59, 58, 1, 1, 1] [2018-07-23 13:41:20,492 INFO L414 AbstractCegarLoop]: === Iteration 59 === [ULTIMATE.startErr0AssertViolationASSERT]=== [2018-07-23 13:41:20,492 INFO L82 PathProgramCache]: Analyzing trace with hash 1373357908, now seen corresponding path program 58 times [2018-07-23 13:41:20,492 INFO L69 tionRefinementEngine]: Using refinement strategy FixedRefinementStrategy [2018-07-23 13:41:20,515 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-07-23 13:41:21,312 INFO L134 CoverageAnalysis]: Checked inductivity of 3422 backedges. 0 proven. 3422 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2018-07-23 13:41:21,313 INFO L309 seRefinementStrategy]: Constructing automaton from 0 perfect and 1 imperfect interpolant sequences. [2018-07-23 13:41:21,313 INFO L324 seRefinementStrategy]: Number of different interpolants: perfect sequences [] imperfect sequences [86] total 86 [2018-07-23 13:41:21,313 INFO L142 lantAutomatonBuilder]: Constructing canonical interpolant automaton, with selfloop in false state [2018-07-23 13:41:21,314 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 13:41:21,314 INFO L185 omatonBuilderFactory]: Interpolants [20096#(and (<= ULTIMATE.start_main_~x~4 13) (<= 13 ULTIMATE.start_main_~x~4)), 20097#(and (<= 14 ULTIMATE.start_main_~x~4) (<= ULTIMATE.start_main_~x~4 14)), 20098#(and (<= 15 ULTIMATE.start_main_~x~4) (<= ULTIMATE.start_main_~x~4 15)), 20099#(and (<= ULTIMATE.start_main_~x~4 16) (<= 16 ULTIMATE.start_main_~x~4)), 20100#(and (<= ULTIMATE.start_main_~x~4 17) (<= 17 ULTIMATE.start_main_~x~4)), 20101#(and (<= 18 ULTIMATE.start_main_~x~4) (<= ULTIMATE.start_main_~x~4 18)), 20102#(and (<= 19 ULTIMATE.start_main_~x~4) (<= ULTIMATE.start_main_~x~4 19)), 20103#(and (<= 20 ULTIMATE.start_main_~x~4) (<= ULTIMATE.start_main_~x~4 20)), 20104#(and (<= ULTIMATE.start_main_~x~4 21) (<= 21 ULTIMATE.start_main_~x~4)), 20105#(and (<= ULTIMATE.start_main_~x~4 22) (<= 22 ULTIMATE.start_main_~x~4)), 20106#(and (<= ULTIMATE.start_main_~x~4 23) (<= 23 ULTIMATE.start_main_~x~4)), 20107#(and (<= ULTIMATE.start_main_~x~4 24) (<= 24 ULTIMATE.start_main_~x~4)), 20108#(and (<= ULTIMATE.start_main_~x~4 25) (<= 25 ULTIMATE.start_main_~x~4)), 20109#(and (<= ULTIMATE.start_main_~x~4 26) (<= 26 ULTIMATE.start_main_~x~4)), 20110#(and (<= ULTIMATE.start_main_~x~4 27) (<= 27 ULTIMATE.start_main_~x~4)), 20111#(and (<= ULTIMATE.start_main_~x~4 28) (<= 28 ULTIMATE.start_main_~x~4)), 20112#(and (<= 29 ULTIMATE.start_main_~x~4) (<= ULTIMATE.start_main_~x~4 29)), 20113#(and (<= ULTIMATE.start_main_~x~4 30) (<= 30 ULTIMATE.start_main_~x~4)), 20114#(and (<= ULTIMATE.start_main_~x~4 31) (<= 31 ULTIMATE.start_main_~x~4)), 20115#(and (<= ULTIMATE.start_main_~x~4 32) (<= 0 ULTIMATE.start_main_~y~4) (<= 32 ULTIMATE.start_main_~x~4)), 20116#(and (<= ULTIMATE.start_main_~x~4 32) (<= 32 ULTIMATE.start_main_~x~4) (<= 1 ULTIMATE.start_main_~y~4)), 20117#(and (<= ULTIMATE.start_main_~x~4 33) (<= 33 ULTIMATE.start_main_~x~4) (<= 1 ULTIMATE.start_main_~y~4)), 20118#(and (<= ULTIMATE.start_main_~x~4 33) (<= 2 ULTIMATE.start_main_~y~4) (<= 33 ULTIMATE.start_main_~x~4)), 20119#(and (<= 34 ULTIMATE.start_main_~x~4) (<= 2 ULTIMATE.start_main_~y~4) (<= ULTIMATE.start_main_~x~4 34)), 20120#(and (<= 34 ULTIMATE.start_main_~x~4) (<= 3 ULTIMATE.start_main_~y~4) (<= ULTIMATE.start_main_~x~4 34)), 20121#(and (<= 3 ULTIMATE.start_main_~y~4) (<= ULTIMATE.start_main_~x~4 35) (<= 35 ULTIMATE.start_main_~x~4)), 20122#(and (<= 4 ULTIMATE.start_main_~y~4) (<= ULTIMATE.start_main_~x~4 35) (<= 35 ULTIMATE.start_main_~x~4)), 20123#(and (<= 36 ULTIMATE.start_main_~x~4) (<= 4 ULTIMATE.start_main_~y~4) (<= ULTIMATE.start_main_~x~4 36)), 20124#(and (<= 36 ULTIMATE.start_main_~x~4) (<= 5 ULTIMATE.start_main_~y~4) (<= ULTIMATE.start_main_~x~4 36)), 20125#(and (<= ULTIMATE.start_main_~x~4 37) (<= 5 ULTIMATE.start_main_~y~4) (<= 37 ULTIMATE.start_main_~x~4)), 20126#(and (<= ULTIMATE.start_main_~x~4 37) (<= 6 ULTIMATE.start_main_~y~4) (<= 37 ULTIMATE.start_main_~x~4)), 20127#(and (<= 38 ULTIMATE.start_main_~x~4) (<= ULTIMATE.start_main_~x~4 38) (<= 6 ULTIMATE.start_main_~y~4)), 20128#(and (<= 38 ULTIMATE.start_main_~x~4) (<= 7 ULTIMATE.start_main_~y~4) (<= ULTIMATE.start_main_~x~4 38)), 20129#(and (<= 7 ULTIMATE.start_main_~y~4) (<= ULTIMATE.start_main_~x~4 39) (<= 39 ULTIMATE.start_main_~x~4)), 20130#(and (<= ULTIMATE.start_main_~x~4 39) (<= 8 ULTIMATE.start_main_~y~4) (<= 39 ULTIMATE.start_main_~x~4)), 20131#(and (<= ULTIMATE.start_main_~x~4 40) (<= 8 ULTIMATE.start_main_~y~4) (<= 40 ULTIMATE.start_main_~x~4)), 20132#(and (<= ULTIMATE.start_main_~x~4 40) (<= 40 ULTIMATE.start_main_~x~4) (<= 9 ULTIMATE.start_main_~y~4)), 20133#(and (<= ULTIMATE.start_main_~x~4 41) (<= 41 ULTIMATE.start_main_~x~4) (<= 9 ULTIMATE.start_main_~y~4)), 20134#(and (<= ULTIMATE.start_main_~x~4 41) (<= 41 ULTIMATE.start_main_~x~4) (<= 10 ULTIMATE.start_main_~y~4)), 20135#(and (<= 10 ULTIMATE.start_main_~y~4) (<= ULTIMATE.start_main_~x~4 42) (<= 42 ULTIMATE.start_main_~x~4)), 20136#(and (<= 11 ULTIMATE.start_main_~y~4) (<= ULTIMATE.start_main_~x~4 42) (<= 42 ULTIMATE.start_main_~x~4)), 20137#(and (<= ULTIMATE.start_main_~x~4 43) (<= 11 ULTIMATE.start_main_~y~4) (<= 43 ULTIMATE.start_main_~x~4)), 20138#(and (<= 12 ULTIMATE.start_main_~y~4) (<= ULTIMATE.start_main_~x~4 43) (<= 43 ULTIMATE.start_main_~x~4)), 20139#(and (<= 44 ULTIMATE.start_main_~x~4) (<= 12 ULTIMATE.start_main_~y~4) (<= ULTIMATE.start_main_~x~4 44)), 20140#(and (<= 44 ULTIMATE.start_main_~x~4) (<= 13 ULTIMATE.start_main_~y~4) (<= ULTIMATE.start_main_~x~4 44)), 20141#(and (<= 13 ULTIMATE.start_main_~y~4) (<= 45 ULTIMATE.start_main_~x~4) (<= ULTIMATE.start_main_~x~4 45)), 20142#(and (<= 14 ULTIMATE.start_main_~y~4) (<= 45 ULTIMATE.start_main_~x~4) (<= ULTIMATE.start_main_~x~4 45)), 20143#(and (<= ULTIMATE.start_main_~x~4 46) (<= 14 ULTIMATE.start_main_~y~4) (<= 46 ULTIMATE.start_main_~x~4)), 20144#(and (<= ULTIMATE.start_main_~x~4 46) (<= 46 ULTIMATE.start_main_~x~4) (<= 15 ULTIMATE.start_main_~y~4)), 20145#(and (<= 47 ULTIMATE.start_main_~x~4) (<= ULTIMATE.start_main_~x~4 47) (<= 15 ULTIMATE.start_main_~y~4)), 20146#(and (<= 47 ULTIMATE.start_main_~x~4) (<= 16 ULTIMATE.start_main_~y~4) (<= ULTIMATE.start_main_~x~4 47)), 20147#(and (<= 48 ULTIMATE.start_main_~x~4) (<= 16 ULTIMATE.start_main_~y~4) (<= ULTIMATE.start_main_~x~4 48)), 20148#(and (<= 48 ULTIMATE.start_main_~x~4) (<= 17 ULTIMATE.start_main_~y~4) (<= ULTIMATE.start_main_~x~4 48)), 20149#(and (<= 49 ULTIMATE.start_main_~x~4) (<= 17 ULTIMATE.start_main_~y~4) (<= ULTIMATE.start_main_~x~4 49)), 20150#(and (<= 18 ULTIMATE.start_main_~y~4) (<= 49 ULTIMATE.start_main_~x~4)), 20151#(and (<= 18 ULTIMATE.start_main_~y~4) (<= 50 ULTIMATE.start_main_~x~4)), 20152#(and (<= 50 ULTIMATE.start_main_~x~4) (<= 17 ULTIMATE.start_main_~y~4)), 20153#(and (<= 51 ULTIMATE.start_main_~x~4) (<= 17 ULTIMATE.start_main_~y~4)), 20154#(and (<= 51 ULTIMATE.start_main_~x~4) (<= 16 ULTIMATE.start_main_~y~4)), 20155#(and (<= 52 ULTIMATE.start_main_~x~4) (<= 16 ULTIMATE.start_main_~y~4)), 20156#(and (<= 52 ULTIMATE.start_main_~x~4) (<= 15 ULTIMATE.start_main_~y~4)), 20157#(and (<= 53 ULTIMATE.start_main_~x~4) (<= 15 ULTIMATE.start_main_~y~4)), 20158#(and (<= 53 ULTIMATE.start_main_~x~4) (<= 14 ULTIMATE.start_main_~y~4)), 20159#(and (<= 14 ULTIMATE.start_main_~y~4) (<= 54 ULTIMATE.start_main_~x~4)), 20160#(and (<= 13 ULTIMATE.start_main_~y~4) (<= 54 ULTIMATE.start_main_~x~4)), 20161#(and (<= 13 ULTIMATE.start_main_~y~4) (<= 55 ULTIMATE.start_main_~x~4)), 20162#(and (<= 12 ULTIMATE.start_main_~y~4) (<= 55 ULTIMATE.start_main_~x~4)), 20163#(and (<= 56 ULTIMATE.start_main_~x~4) (<= 12 ULTIMATE.start_main_~y~4)), 20164#(and (<= 56 ULTIMATE.start_main_~x~4) (<= 11 ULTIMATE.start_main_~y~4)), 20165#(and (<= 11 ULTIMATE.start_main_~y~4) (<= 57 ULTIMATE.start_main_~x~4)), 20166#(<= 10 ULTIMATE.start_main_~y~4), 20167#(<= 1 ULTIMATE.start_main_~y~4), 20081#true, 20082#false, 20083#(and (<= ULTIMATE.start_main_~x~4 0) (<= 0 ULTIMATE.start_main_~x~4)), 20084#(and (<= ULTIMATE.start_main_~x~4 1) (<= 1 ULTIMATE.start_main_~x~4)), 20085#(and (<= 2 ULTIMATE.start_main_~x~4) (<= ULTIMATE.start_main_~x~4 2)), 20086#(and (<= 3 ULTIMATE.start_main_~x~4) (<= ULTIMATE.start_main_~x~4 3)), 20087#(and (<= ULTIMATE.start_main_~x~4 4) (<= 4 ULTIMATE.start_main_~x~4)), 20088#(and (<= ULTIMATE.start_main_~x~4 5) (<= 5 ULTIMATE.start_main_~x~4)), 20089#(and (<= 6 ULTIMATE.start_main_~x~4) (<= ULTIMATE.start_main_~x~4 6)), 20090#(and (<= ULTIMATE.start_main_~x~4 7) (<= 7 ULTIMATE.start_main_~x~4)), 20091#(and (<= ULTIMATE.start_main_~x~4 8) (<= 8 ULTIMATE.start_main_~x~4)), 20092#(and (<= 9 ULTIMATE.start_main_~x~4) (<= ULTIMATE.start_main_~x~4 9)), 20093#(and (<= ULTIMATE.start_main_~x~4 10) (<= 10 ULTIMATE.start_main_~x~4)), 20094#(and (<= ULTIMATE.start_main_~x~4 11) (<= 11 ULTIMATE.start_main_~x~4)), 20095#(and (<= 12 ULTIMATE.start_main_~x~4) (<= ULTIMATE.start_main_~x~4 12))] [2018-07-23 13:41:21,315 INFO L134 CoverageAnalysis]: Checked inductivity of 3422 backedges. 0 proven. 3422 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2018-07-23 13:41:21,315 INFO L450 AbstractCegarLoop]: Interpolant automaton has 87 states [2018-07-23 13:41:21,315 INFO L132 InterpolantAutomaton]: Constructing interpolant automaton starting with 87 interpolants. [2018-07-23 13:41:21,316 INFO L133 InterpolantAutomaton]: CoverageRelationStatistics Valid=286, Invalid=7196, Unknown=0, NotChecked=0, Total=7482 [2018-07-23 13:41:21,316 INFO L87 Difference]: Start difference. First operand 121 states and 121 transitions. Second operand 87 states. [2018-07-23 13:41:22,025 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2018-07-23 13:41:22,025 INFO L93 Difference]: Finished difference Result 126 states and 126 transitions. [2018-07-23 13:41:22,025 INFO L142 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 87 states. [2018-07-23 13:41:22,026 INFO L78 Accepts]: Start accepts. Automaton has 87 states. Word has length 120 [2018-07-23 13:41:22,026 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2018-07-23 13:41:22,026 INFO L225 Difference]: With dead ends: 126 [2018-07-23 13:41:22,027 INFO L226 Difference]: Without dead ends: 124 [2018-07-23 13:41:22,027 INFO L575 BasicCegarLoop]: 0 DeclaredPredicates, 88 GetRequests, 1 SyntacticMatches, 1 SemanticMatches, 86 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 819 ImplicationChecksByTransitivity, 0.6s TimeCoverageRelationStatistics Valid=292, Invalid=7364, Unknown=0, NotChecked=0, Total=7656 [2018-07-23 13:41:22,027 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 124 states. [2018-07-23 13:41:22,034 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 124 to 123. [2018-07-23 13:41:22,035 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 123 states. [2018-07-23 13:41:22,035 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 123 states to 123 states and 123 transitions. [2018-07-23 13:41:22,035 INFO L78 Accepts]: Start accepts. Automaton has 123 states and 123 transitions. Word has length 120 [2018-07-23 13:41:22,035 INFO L84 Accepts]: Finished accepts. word is rejected. [2018-07-23 13:41:22,036 INFO L471 AbstractCegarLoop]: Abstraction has 123 states and 123 transitions. [2018-07-23 13:41:22,036 INFO L472 AbstractCegarLoop]: Interpolant automaton has 87 states. [2018-07-23 13:41:22,036 INFO L276 IsEmpty]: Start isEmpty. Operand 123 states and 123 transitions. [2018-07-23 13:41:22,037 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 123 [2018-07-23 13:41:22,037 INFO L349 BasicCegarLoop]: Found error trace [2018-07-23 13:41:22,037 INFO L357 BasicCegarLoop]: trace histogram [60, 59, 1, 1, 1] [2018-07-23 13:41:22,037 INFO L414 AbstractCegarLoop]: === Iteration 60 === [ULTIMATE.startErr0AssertViolationASSERT]=== [2018-07-23 13:41:22,037 INFO L82 PathProgramCache]: Analyzing trace with hash 1242053498, now seen corresponding path program 59 times [2018-07-23 13:41:22,037 INFO L69 tionRefinementEngine]: Using refinement strategy FixedRefinementStrategy [2018-07-23 13:41:22,055 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-07-23 13:41:22,568 INFO L134 CoverageAnalysis]: Checked inductivity of 3540 backedges. 0 proven. 3540 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2018-07-23 13:41:22,568 INFO L309 seRefinementStrategy]: Constructing automaton from 0 perfect and 1 imperfect interpolant sequences. [2018-07-23 13:41:22,568 INFO L324 seRefinementStrategy]: Number of different interpolants: perfect sequences [] imperfect sequences [88] total 88 [2018-07-23 13:41:22,568 INFO L142 lantAutomatonBuilder]: Constructing canonical interpolant automaton, with selfloop in false state [2018-07-23 13:41:22,569 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2018-07-23 13:41:22,569 INFO L185 omatonBuilderFactory]: Interpolants [20736#(and (<= 49 ULTIMATE.start_main_~x~4) (<= 17 ULTIMATE.start_main_~y~4) (<= ULTIMATE.start_main_~x~4 49)), 20737#(and (<= 18 ULTIMATE.start_main_~y~4) (<= 49 ULTIMATE.start_main_~x~4)), 20738#(and (<= 18 ULTIMATE.start_main_~y~4) (<= 50 ULTIMATE.start_main_~x~4)), 20739#(and (<= 50 ULTIMATE.start_main_~x~4) (<= 17 ULTIMATE.start_main_~y~4)), 20740#(and (<= 51 ULTIMATE.start_main_~x~4) (<= 17 ULTIMATE.start_main_~y~4)), 20741#(and (<= 51 ULTIMATE.start_main_~x~4) (<= 16 ULTIMATE.start_main_~y~4)), 20742#(and (<= 52 ULTIMATE.start_main_~x~4) (<= 16 ULTIMATE.start_main_~y~4)), 20743#(and (<= 52 ULTIMATE.start_main_~x~4) (<= 15 ULTIMATE.start_main_~y~4)), 20744#(and (<= 53 ULTIMATE.start_main_~x~4) (<= 15 ULTIMATE.start_main_~y~4)), 20745#(and (<= 53 ULTIMATE.start_main_~x~4) (<= 14 ULTIMATE.start_main_~y~4)), 20746#(and (<= 14 ULTIMATE.start_main_~y~4) (<= 54 ULTIMATE.start_main_~x~4)), 20747#(and (<= 13 ULTIMATE.start_main_~y~4) (<= 54 ULTIMATE.start_main_~x~4)), 20748#(and (<= 13 ULTIMATE.start_main_~y~4) (<= 55 ULTIMATE.start_main_~x~4)), 20749#(and (<= 12 ULTIMATE.start_main_~y~4) (<= 55 ULTIMATE.start_main_~x~4)), 20750#(and (<= 56 ULTIMATE.start_main_~x~4) (<= 12 ULTIMATE.start_main_~y~4)), 20751#(and (<= 56 ULTIMATE.start_main_~x~4) (<= 11 ULTIMATE.start_main_~y~4)), 20752#(and (<= 11 ULTIMATE.start_main_~y~4) (<= 57 ULTIMATE.start_main_~x~4)), 20753#(and (<= 10 ULTIMATE.start_main_~y~4) (<= 57 ULTIMATE.start_main_~x~4)), 20754#(and (<= 58 ULTIMATE.start_main_~x~4) (<= 10 ULTIMATE.start_main_~y~4)), 20755#(<= 9 ULTIMATE.start_main_~y~4), 20756#(<= 1 ULTIMATE.start_main_~y~4), 20668#true, 20669#false, 20670#(and (<= ULTIMATE.start_main_~x~4 0) (<= 0 ULTIMATE.start_main_~x~4)), 20671#(and (<= ULTIMATE.start_main_~x~4 1) (<= 1 ULTIMATE.start_main_~x~4)), 20672#(and (<= 2 ULTIMATE.start_main_~x~4) (<= ULTIMATE.start_main_~x~4 2)), 20673#(and (<= 3 ULTIMATE.start_main_~x~4) (<= ULTIMATE.start_main_~x~4 3)), 20674#(and (<= ULTIMATE.start_main_~x~4 4) (<= 4 ULTIMATE.start_main_~x~4)), 20675#(and (<= ULTIMATE.start_main_~x~4 5) (<= 5 ULTIMATE.start_main_~x~4)), 20676#(and (<= 6 ULTIMATE.start_main_~x~4) (<= ULTIMATE.start_main_~x~4 6)), 20677#(and (<= ULTIMATE.start_main_~x~4 7) (<= 7 ULTIMATE.start_main_~x~4)), 20678#(and (<= ULTIMATE.start_main_~x~4 8) (<= 8 ULTIMATE.start_main_~x~4)), 20679#(and (<= 9 ULTIMATE.start_main_~x~4) (<= ULTIMATE.start_main_~x~4 9)), 20680#(and (<= ULTIMATE.start_main_~x~4 10) (<= 10 ULTIMATE.start_main_~x~4)), 20681#(and (<= ULTIMATE.start_main_~x~4 11) (<= 11 ULTIMATE.start_main_~x~4)), 20682#(and (<= 12 ULTIMATE.start_main_~x~4) (<= ULTIMATE.start_main_~x~4 12)), 20683#(and (<= ULTIMATE.start_main_~x~4 13) (<= 13 ULTIMATE.start_main_~x~4)), 20684#(and (<= 14 ULTIMATE.start_main_~x~4) (<= ULTIMATE.start_main_~x~4 14)), 20685#(and (<= 15 ULTIMATE.start_main_~x~4) (<= ULTIMATE.start_main_~x~4 15)), 20686#(and (<= ULTIMATE.start_main_~x~4 16) (<= 16 ULTIMATE.start_main_~x~4)), 20687#(and (<= ULTIMATE.start_main_~x~4 17) (<= 17 ULTIMATE.start_main_~x~4)), 20688#(and (<= 18 ULTIMATE.start_main_~x~4) (<= ULTIMATE.start_main_~x~4 18)), 20689#(and (<= 19 ULTIMATE.start_main_~x~4) (<= ULTIMATE.start_main_~x~4 19)), 20690#(and (<= 20 ULTIMATE.start_main_~x~4) (<= ULTIMATE.start_main_~x~4 20)), 20691#(and (<= ULTIMATE.start_main_~x~4 21) (<= 21 ULTIMATE.start_main_~x~4)), 20692#(and (<= ULTIMATE.start_main_~x~4 22) (<= 22 ULTIMATE.start_main_~x~4)), 20693#(and (<= ULTIMATE.start_main_~x~4 23) (<= 23 ULTIMATE.start_main_~x~4)), 20694#(and (<= ULTIMATE.start_main_~x~4 24) (<= 24 ULTIMATE.start_main_~x~4)), 20695#(and (<= ULTIMATE.start_main_~x~4 25) (<= 25 ULTIMATE.start_main_~x~4)), 20696#(and (<= ULTIMATE.start_main_~x~4 26) (<= 26 ULTIMATE.start_main_~x~4)), 20697#(and (<= ULTIMATE.start_main_~x~4 27) (<= 27 ULTIMATE.start_main_~x~4)), 20698#(and (<= ULTIMATE.start_main_~x~4 28) (<= 28 ULTIMATE.start_main_~x~4)), 20699#(and (<= 29 ULTIMATE.start_main_~x~4) (<= ULTIMATE.start_main_~x~4 29)), 20700#(and (<= ULTIMATE.start_main_~x~4 30) (<= 30 ULTIMATE.start_main_~x~4)), 20701#(and (<= ULTIMATE.start_main_~x~4 31) (<= 31 ULTIMATE.start_main_~x~4)), 20702#(and (<= ULTIMATE.start_main_~x~4 32) (<= 0 ULTIMATE.start_main_~y~4) (<= 32 ULTIMATE.start_main_~x~4)), 20703#(and (<= ULTIMATE.start_main_~x~4 32) (<= 32 ULTIMATE.start_main_~x~4) (<= 1 ULTIMATE.start_main_~y~4)), 20704#(and (<= ULTIMATE.start_main_~x~4 33) (<= 33 ULTIMATE.start_main_~x~4) (<= 1 ULTIMATE.start_main_~y~4)), 20705#(and (<= ULTIMATE.start_main_~x~4 33) (<= 2 ULTIMATE.start_main_~y~4) (<= 33 ULTIMATE.start_main_~x~4)), 20706#(and (<= 34 ULTIMATE.start_main_~x~4) (<= 2 ULTIMATE.start_main_~y~4) (<= ULTIMATE.start_main_~x~4 34)), 20707#(and (<= 34 ULTIMATE.start_main_~x~4) (<= 3 ULTIMATE.start_main_~y~4) (<= ULTIMATE.start_main_~x~4 34)), 20708#(and (<= 3 ULTIMATE.start_main_~y~4) (<= ULTIMATE.start_main_~x~4 35) (<= 35 ULTIMATE.start_main_~x~4)), 20709#(and (<= 4 ULTIMATE.start_main_~y~4) (<= ULTIMATE.start_main_~x~4 35) (<= 35 ULTIMATE.start_main_~x~4)), 20710#(and (<= 36 ULTIMATE.start_main_~x~4) (<= 4 ULTIMATE.start_main_~y~4) (<= ULTIMATE.start_main_~x~4 36)), 20711#(and (<= 36 ULTIMATE.start_main_~x~4) (<= 5 ULTIMATE.start_main_~y~4) (<= ULTIMATE.start_main_~x~4 36)), 20712#(and (<= ULTIMATE.start_main_~x~4 37) (<= 5 ULTIMATE.start_main_~y~4) (<= 37 ULTIMATE.start_main_~x~4)), 20713#(and (<= ULTIMATE.start_main_~x~4 37) (<= 6 ULTIMATE.start_main_~y~4) (<= 37 ULTIMATE.start_main_~x~4)), 20714#(and (<= 38 ULTIMATE.start_main_~x~4) (<= ULTIMATE.start_main_~x~4 38) (<= 6 ULTIMATE.start_main_~y~4)), 20715#(and (<= 38 ULTIMATE.start_main_~x~4) (<= 7 ULTIMATE.start_main_~y~4) (<= ULTIMATE.start_main_~x~4 38)), 20716#(and (<= 7 ULTIMATE.start_main_~y~4) (<= ULTIMATE.start_main_~x~4 39) (<= 39 ULTIMATE.start_main_~x~4)), 20717#(and (<= ULTIMATE.start_main_~x~4 39) (<= 8 ULTIMATE.start_main_~y~4) (<= 39 ULTIMATE.start_main_~x~4)), 20718#(and (<= ULTIMATE.start_main_~x~4 40) (<= 8 ULTIMATE.start_main_~y~4) (<= 40 ULTIMATE.start_main_~x~4)), 20719#(and (<= ULTIMATE.start_main_~x~4 40) (<= 40 ULTIMATE.start_main_~x~4) (<= 9 ULTIMATE.start_main_~y~4)), 20720#(and (<= ULTIMATE.start_main_~x~4 41) (<= 41 ULTIMATE.start_main_~x~4) (<= 9 ULTIMATE.start_main_~y~4)), 20721#(and (<= ULTIMATE.start_main_~x~4 41) (<= 41 ULTIMATE.start_main_~x~4) (<= 10 ULTIMATE.start_main_~y~4)), 20722#(and (<= 10 ULTIMATE.start_main_~y~4) (<= ULTIMATE.start_main_~x~4 42) (<= 42 ULTIMATE.start_main_~x~4)), 20723#(and (<= 11 ULTIMATE.start_main_~y~4) (<= ULTIMATE.start_main_~x~4 42) (<= 42 ULTIMATE.start_main_~x~4)), 20724#(and (<= ULTIMATE.start_main_~x~4 43) (<= 11 ULTIMATE.start_main_~y~4) (<= 43 ULTIMATE.start_main_~x~4)), 20725#(and (<= 12 ULTIMATE.start_main_~y~4) (<= ULTIMATE.start_main_~x~4 43) (<= 43 ULTIMATE.start_main_~x~4)), 20726#(and (<= 44 ULTIMATE.start_main_~x~4) (<= 12 ULTIMATE.start_main_~y~4) (<= ULTIMATE.start_main_~x~4 44)), 20727#(and (<= 44 ULTIMATE.start_main_~x~4) (<= 13 ULTIMATE.start_main_~y~4) (<= ULTIMATE.start_main_~x~4 44)), 20728#(and (<= 13 ULTIMATE.start_main_~y~4) (<= 45 ULTIMATE.start_main_~x~4) (<= ULTIMATE.start_main_~x~4 45)), 20729#(and (<= 14 ULTIMATE.start_main_~y~4) (<= 45 ULTIMATE.start_main_~x~4) (<= ULTIMATE.start_main_~x~4 45)), 20730#(and (<= ULTIMATE.start_main_~x~4 46) (<= 14 ULTIMATE.start_main_~y~4) (<= 46 ULTIMATE.start_main_~x~4)), 20731#(and (<= ULTIMATE.start_main_~x~4 46) (<= 46 ULTIMATE.start_main_~x~4) (<= 15 ULTIMATE.start_main_~y~4)), 20732#(and (<= 47 ULTIMATE.start_main_~x~4) (<= ULTIMATE.start_main_~x~4 47) (<= 15 ULTIMATE.start_main_~y~4)), 20733#(and (<= 47 ULTIMATE.start_main_~x~4) (<= 16 ULTIMATE.start_main_~y~4) (<= ULTIMATE.start_main_~x~4 47)), 20734#(and (<= 48 ULTIMATE.start_main_~x~4) (<= 16 ULTIMATE.start_main_~y~4) (<= ULTIMATE.start_main_~x~4 48)), 20735#(and (<= 48 ULTIMATE.start_main_~x~4) (<= 17 ULTIMATE.start_main_~y~4) (<= ULTIMATE.start_main_~x~4 48))] [2018-07-23 13:41:22,570 INFO L134 CoverageAnalysis]: Checked inductivity of 3540 backedges. 0 proven. 3540 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2018-07-23 13:41:22,571 INFO L450 AbstractCegarLoop]: Interpolant automaton has 89 states [2018-07-23 13:41:22,571 INFO L132 InterpolantAutomaton]: Constructing interpolant automaton starting with 89 interpolants. [2018-07-23 13:41:22,571 INFO L133 InterpolantAutomaton]: CoverageRelationStatistics Valid=298, Invalid=7534, Unknown=0, NotChecked=0, Total=7832 [2018-07-23 13:41:22,571 INFO L87 Difference]: Start difference. First operand 123 states and 123 transitions. Second operand 89 states. [2018-07-23 13:41:23,050 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2018-07-23 13:41:23,051 INFO L93 Difference]: Finished difference Result 128 states and 128 transitions. [2018-07-23 13:41:23,051 INFO L142 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 89 states. [2018-07-23 13:41:23,051 INFO L78 Accepts]: Start accepts. Automaton has 89 states. Word has length 122 [2018-07-23 13:41:23,051 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2018-07-23 13:41:23,052 INFO L225 Difference]: With dead ends: 128 [2018-07-23 13:41:23,052 INFO L226 Difference]: Without dead ends: 126 [2018-07-23 13:41:23,053 INFO L575 BasicCegarLoop]: 0 DeclaredPredicates, 90 GetRequests, 1 SyntacticMatches, 1 SemanticMatches, 88 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 893 ImplicationChecksByTransitivity, 0.4s TimeCoverageRelationStatistics Valid=304, Invalid=7706, Unknown=0, NotChecked=0, Total=8010 [2018-07-23 13:41:23,053 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 126 states. [2018-07-23 13:41:23,061 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 126 to 125. [2018-07-23 13:41:23,061 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 125 states. [2018-07-23 13:41:23,062 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 125 states to 125 states and 125 transitions. [2018-07-23 13:41:23,062 INFO L78 Accepts]: Start accepts. Automaton has 125 states and 125 transitions. Word has length 122 [2018-07-23 13:41:23,062 INFO L84 Accepts]: Finished accepts. word is rejected. [2018-07-23 13:41:23,062 INFO L471 AbstractCegarLoop]: Abstraction has 125 states and 125 transitions. [2018-07-23 13:41:23,062 INFO L472 AbstractCegarLoop]: Interpolant automaton has 89 states. [2018-07-23 13:41:23,062 INFO L276 IsEmpty]: Start isEmpty. Operand 125 states and 125 transitions. [2018-07-23 13:41:23,063 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 125 [2018-07-23 13:41:23,063 INFO L349 BasicCegarLoop]: Found error trace [2018-07-23 13:41:23,064 INFO L357 BasicCegarLoop]: trace histogram [61, 60, 1, 1, 1] [2018-07-23 13:41:23,064 INFO L414 AbstractCegarLoop]: === Iteration 61 === [ULTIMATE.startErr0AssertViolationASSERT]=== [2018-07-23 13:41:23,064 INFO L82 PathProgramCache]: Analyzing trace with hash -387432928, now seen corresponding path program 60 times [2018-07-23 13:41:23,064 INFO L69 tionRefinementEngine]: Using refinement strategy FixedRefinementStrategy [2018-07-23 13:41:23,084 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-07-23 13:41:23,548 INFO L134 CoverageAnalysis]: Checked inductivity of 3660 backedges. 0 proven. 3660 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2018-07-23 13:41:23,548 INFO L309 seRefinementStrategy]: Constructing automaton from 0 perfect and 1 imperfect interpolant sequences. [2018-07-23 13:41:23,548 INFO L324 seRefinementStrategy]: Number of different interpolants: perfect sequences [] imperfect sequences [90] total 90 [2018-07-23 13:41:23,549 INFO L142 lantAutomatonBuilder]: Constructing canonical interpolant automaton, with selfloop in false state [2018-07-23 13:41:23,549 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2018-07-23 13:41:23,550 INFO L185 omatonBuilderFactory]: Interpolants [21265#true, 21266#false, 21267#(and (<= ULTIMATE.start_main_~x~4 0) (<= 0 ULTIMATE.start_main_~x~4)), 21268#(and (<= ULTIMATE.start_main_~x~4 1) (<= 1 ULTIMATE.start_main_~x~4)), 21269#(and (<= 2 ULTIMATE.start_main_~x~4) (<= ULTIMATE.start_main_~x~4 2)), 21270#(and (<= 3 ULTIMATE.start_main_~x~4) (<= ULTIMATE.start_main_~x~4 3)), 21271#(and (<= ULTIMATE.start_main_~x~4 4) (<= 4 ULTIMATE.start_main_~x~4)), 21272#(and (<= ULTIMATE.start_main_~x~4 5) (<= 5 ULTIMATE.start_main_~x~4)), 21273#(and (<= 6 ULTIMATE.start_main_~x~4) (<= ULTIMATE.start_main_~x~4 6)), 21274#(and (<= ULTIMATE.start_main_~x~4 7) (<= 7 ULTIMATE.start_main_~x~4)), 21275#(and (<= ULTIMATE.start_main_~x~4 8) (<= 8 ULTIMATE.start_main_~x~4)), 21276#(and (<= 9 ULTIMATE.start_main_~x~4) (<= ULTIMATE.start_main_~x~4 9)), 21277#(and (<= ULTIMATE.start_main_~x~4 10) (<= 10 ULTIMATE.start_main_~x~4)), 21278#(and (<= ULTIMATE.start_main_~x~4 11) (<= 11 ULTIMATE.start_main_~x~4)), 21279#(and (<= 12 ULTIMATE.start_main_~x~4) (<= ULTIMATE.start_main_~x~4 12)), 21280#(and (<= ULTIMATE.start_main_~x~4 13) (<= 13 ULTIMATE.start_main_~x~4)), 21281#(and (<= 14 ULTIMATE.start_main_~x~4) (<= ULTIMATE.start_main_~x~4 14)), 21282#(and (<= 15 ULTIMATE.start_main_~x~4) (<= ULTIMATE.start_main_~x~4 15)), 21283#(and (<= ULTIMATE.start_main_~x~4 16) (<= 16 ULTIMATE.start_main_~x~4)), 21284#(and (<= ULTIMATE.start_main_~x~4 17) (<= 17 ULTIMATE.start_main_~x~4)), 21285#(and (<= 18 ULTIMATE.start_main_~x~4) (<= ULTIMATE.start_main_~x~4 18)), 21286#(and (<= 19 ULTIMATE.start_main_~x~4) (<= ULTIMATE.start_main_~x~4 19)), 21287#(and (<= 20 ULTIMATE.start_main_~x~4) (<= ULTIMATE.start_main_~x~4 20)), 21288#(and (<= ULTIMATE.start_main_~x~4 21) (<= 21 ULTIMATE.start_main_~x~4)), 21289#(and (<= ULTIMATE.start_main_~x~4 22) (<= 22 ULTIMATE.start_main_~x~4)), 21290#(and (<= ULTIMATE.start_main_~x~4 23) (<= 23 ULTIMATE.start_main_~x~4)), 21291#(and (<= ULTIMATE.start_main_~x~4 24) (<= 24 ULTIMATE.start_main_~x~4)), 21292#(and (<= ULTIMATE.start_main_~x~4 25) (<= 25 ULTIMATE.start_main_~x~4)), 21293#(and (<= ULTIMATE.start_main_~x~4 26) (<= 26 ULTIMATE.start_main_~x~4)), 21294#(and (<= ULTIMATE.start_main_~x~4 27) (<= 27 ULTIMATE.start_main_~x~4)), 21295#(and (<= ULTIMATE.start_main_~x~4 28) (<= 28 ULTIMATE.start_main_~x~4)), 21296#(and (<= 29 ULTIMATE.start_main_~x~4) (<= ULTIMATE.start_main_~x~4 29)), 21297#(and (<= ULTIMATE.start_main_~x~4 30) (<= 30 ULTIMATE.start_main_~x~4)), 21298#(and (<= ULTIMATE.start_main_~x~4 31) (<= 31 ULTIMATE.start_main_~x~4)), 21299#(and (<= ULTIMATE.start_main_~x~4 32) (<= 0 ULTIMATE.start_main_~y~4) (<= 32 ULTIMATE.start_main_~x~4)), 21300#(and (<= ULTIMATE.start_main_~x~4 32) (<= 32 ULTIMATE.start_main_~x~4) (<= 1 ULTIMATE.start_main_~y~4)), 21301#(and (<= ULTIMATE.start_main_~x~4 33) (<= 33 ULTIMATE.start_main_~x~4) (<= 1 ULTIMATE.start_main_~y~4)), 21302#(and (<= ULTIMATE.start_main_~x~4 33) (<= 2 ULTIMATE.start_main_~y~4) (<= 33 ULTIMATE.start_main_~x~4)), 21303#(and (<= 34 ULTIMATE.start_main_~x~4) (<= 2 ULTIMATE.start_main_~y~4) (<= ULTIMATE.start_main_~x~4 34)), 21304#(and (<= 34 ULTIMATE.start_main_~x~4) (<= 3 ULTIMATE.start_main_~y~4) (<= ULTIMATE.start_main_~x~4 34)), 21305#(and (<= 3 ULTIMATE.start_main_~y~4) (<= ULTIMATE.start_main_~x~4 35) (<= 35 ULTIMATE.start_main_~x~4)), 21306#(and (<= 4 ULTIMATE.start_main_~y~4) (<= ULTIMATE.start_main_~x~4 35) (<= 35 ULTIMATE.start_main_~x~4)), 21307#(and (<= 36 ULTIMATE.start_main_~x~4) (<= 4 ULTIMATE.start_main_~y~4) (<= ULTIMATE.start_main_~x~4 36)), 21308#(and (<= 36 ULTIMATE.start_main_~x~4) (<= 5 ULTIMATE.start_main_~y~4) (<= ULTIMATE.start_main_~x~4 36)), 21309#(and (<= ULTIMATE.start_main_~x~4 37) (<= 5 ULTIMATE.start_main_~y~4) (<= 37 ULTIMATE.start_main_~x~4)), 21310#(and (<= ULTIMATE.start_main_~x~4 37) (<= 6 ULTIMATE.start_main_~y~4) (<= 37 ULTIMATE.start_main_~x~4)), 21311#(and (<= 38 ULTIMATE.start_main_~x~4) (<= ULTIMATE.start_main_~x~4 38) (<= 6 ULTIMATE.start_main_~y~4)), 21312#(and (<= 38 ULTIMATE.start_main_~x~4) (<= 7 ULTIMATE.start_main_~y~4) (<= ULTIMATE.start_main_~x~4 38)), 21313#(and (<= 7 ULTIMATE.start_main_~y~4) (<= ULTIMATE.start_main_~x~4 39) (<= 39 ULTIMATE.start_main_~x~4)), 21314#(and (<= ULTIMATE.start_main_~x~4 39) (<= 8 ULTIMATE.start_main_~y~4) (<= 39 ULTIMATE.start_main_~x~4)), 21315#(and (<= ULTIMATE.start_main_~x~4 40) (<= 8 ULTIMATE.start_main_~y~4) (<= 40 ULTIMATE.start_main_~x~4)), 21316#(and (<= ULTIMATE.start_main_~x~4 40) (<= 40 ULTIMATE.start_main_~x~4) (<= 9 ULTIMATE.start_main_~y~4)), 21317#(and (<= ULTIMATE.start_main_~x~4 41) (<= 41 ULTIMATE.start_main_~x~4) (<= 9 ULTIMATE.start_main_~y~4)), 21318#(and (<= ULTIMATE.start_main_~x~4 41) (<= 41 ULTIMATE.start_main_~x~4) (<= 10 ULTIMATE.start_main_~y~4)), 21319#(and (<= 10 ULTIMATE.start_main_~y~4) (<= ULTIMATE.start_main_~x~4 42) (<= 42 ULTIMATE.start_main_~x~4)), 21320#(and (<= 11 ULTIMATE.start_main_~y~4) (<= ULTIMATE.start_main_~x~4 42) (<= 42 ULTIMATE.start_main_~x~4)), 21321#(and (<= ULTIMATE.start_main_~x~4 43) (<= 11 ULTIMATE.start_main_~y~4) (<= 43 ULTIMATE.start_main_~x~4)), 21322#(and (<= 12 ULTIMATE.start_main_~y~4) (<= ULTIMATE.start_main_~x~4 43) (<= 43 ULTIMATE.start_main_~x~4)), 21323#(and (<= 44 ULTIMATE.start_main_~x~4) (<= 12 ULTIMATE.start_main_~y~4) (<= ULTIMATE.start_main_~x~4 44)), 21324#(and (<= 44 ULTIMATE.start_main_~x~4) (<= 13 ULTIMATE.start_main_~y~4) (<= ULTIMATE.start_main_~x~4 44)), 21325#(and (<= 13 ULTIMATE.start_main_~y~4) (<= 45 ULTIMATE.start_main_~x~4) (<= ULTIMATE.start_main_~x~4 45)), 21326#(and (<= 14 ULTIMATE.start_main_~y~4) (<= 45 ULTIMATE.start_main_~x~4) (<= ULTIMATE.start_main_~x~4 45)), 21327#(and (<= ULTIMATE.start_main_~x~4 46) (<= 14 ULTIMATE.start_main_~y~4) (<= 46 ULTIMATE.start_main_~x~4)), 21328#(and (<= ULTIMATE.start_main_~x~4 46) (<= 46 ULTIMATE.start_main_~x~4) (<= 15 ULTIMATE.start_main_~y~4)), 21329#(and (<= 47 ULTIMATE.start_main_~x~4) (<= ULTIMATE.start_main_~x~4 47) (<= 15 ULTIMATE.start_main_~y~4)), 21330#(and (<= 47 ULTIMATE.start_main_~x~4) (<= 16 ULTIMATE.start_main_~y~4) (<= ULTIMATE.start_main_~x~4 47)), 21331#(and (<= 48 ULTIMATE.start_main_~x~4) (<= 16 ULTIMATE.start_main_~y~4) (<= ULTIMATE.start_main_~x~4 48)), 21332#(and (<= 48 ULTIMATE.start_main_~x~4) (<= 17 ULTIMATE.start_main_~y~4) (<= ULTIMATE.start_main_~x~4 48)), 21333#(and (<= 49 ULTIMATE.start_main_~x~4) (<= 17 ULTIMATE.start_main_~y~4) (<= ULTIMATE.start_main_~x~4 49)), 21334#(and (<= 18 ULTIMATE.start_main_~y~4) (<= 49 ULTIMATE.start_main_~x~4)), 21335#(and (<= 18 ULTIMATE.start_main_~y~4) (<= 50 ULTIMATE.start_main_~x~4)), 21336#(and (<= 50 ULTIMATE.start_main_~x~4) (<= 17 ULTIMATE.start_main_~y~4)), 21337#(and (<= 51 ULTIMATE.start_main_~x~4) (<= 17 ULTIMATE.start_main_~y~4)), 21338#(and (<= 51 ULTIMATE.start_main_~x~4) (<= 16 ULTIMATE.start_main_~y~4)), 21339#(and (<= 52 ULTIMATE.start_main_~x~4) (<= 16 ULTIMATE.start_main_~y~4)), 21340#(and (<= 52 ULTIMATE.start_main_~x~4) (<= 15 ULTIMATE.start_main_~y~4)), 21341#(and (<= 53 ULTIMATE.start_main_~x~4) (<= 15 ULTIMATE.start_main_~y~4)), 21342#(and (<= 53 ULTIMATE.start_main_~x~4) (<= 14 ULTIMATE.start_main_~y~4)), 21343#(and (<= 14 ULTIMATE.start_main_~y~4) (<= 54 ULTIMATE.start_main_~x~4)), 21344#(and (<= 13 ULTIMATE.start_main_~y~4) (<= 54 ULTIMATE.start_main_~x~4)), 21345#(and (<= 13 ULTIMATE.start_main_~y~4) (<= 55 ULTIMATE.start_main_~x~4)), 21346#(and (<= 12 ULTIMATE.start_main_~y~4) (<= 55 ULTIMATE.start_main_~x~4)), 21347#(and (<= 56 ULTIMATE.start_main_~x~4) (<= 12 ULTIMATE.start_main_~y~4)), 21348#(and (<= 56 ULTIMATE.start_main_~x~4) (<= 11 ULTIMATE.start_main_~y~4)), 21349#(and (<= 11 ULTIMATE.start_main_~y~4) (<= 57 ULTIMATE.start_main_~x~4)), 21350#(and (<= 10 ULTIMATE.start_main_~y~4) (<= 57 ULTIMATE.start_main_~x~4)), 21351#(and (<= 58 ULTIMATE.start_main_~x~4) (<= 10 ULTIMATE.start_main_~y~4)), 21352#(and (<= 58 ULTIMATE.start_main_~x~4) (<= 9 ULTIMATE.start_main_~y~4)), 21353#(and (<= 9 ULTIMATE.start_main_~y~4) (<= 59 ULTIMATE.start_main_~x~4)), 21354#(<= 8 ULTIMATE.start_main_~y~4), 21355#(<= 1 ULTIMATE.start_main_~y~4)] [2018-07-23 13:41:23,550 INFO L134 CoverageAnalysis]: Checked inductivity of 3660 backedges. 0 proven. 3660 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2018-07-23 13:41:23,550 INFO L450 AbstractCegarLoop]: Interpolant automaton has 91 states [2018-07-23 13:41:23,551 INFO L132 InterpolantAutomaton]: Constructing interpolant automaton starting with 91 interpolants. [2018-07-23 13:41:23,551 INFO L133 InterpolantAutomaton]: CoverageRelationStatistics Valid=310, Invalid=7880, Unknown=0, NotChecked=0, Total=8190 [2018-07-23 13:41:23,551 INFO L87 Difference]: Start difference. First operand 125 states and 125 transitions. Second operand 91 states. [2018-07-23 13:41:24,132 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2018-07-23 13:41:24,133 INFO L93 Difference]: Finished difference Result 130 states and 130 transitions. [2018-07-23 13:41:24,133 INFO L142 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 91 states. [2018-07-23 13:41:24,133 INFO L78 Accepts]: Start accepts. Automaton has 91 states. Word has length 124 [2018-07-23 13:41:24,133 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2018-07-23 13:41:24,134 INFO L225 Difference]: With dead ends: 130 [2018-07-23 13:41:24,134 INFO L226 Difference]: Without dead ends: 128 [2018-07-23 13:41:24,135 INFO L575 BasicCegarLoop]: 0 DeclaredPredicates, 92 GetRequests, 1 SyntacticMatches, 1 SemanticMatches, 90 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 971 ImplicationChecksByTransitivity, 0.3s TimeCoverageRelationStatistics Valid=316, Invalid=8056, Unknown=0, NotChecked=0, Total=8372 [2018-07-23 13:41:24,135 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 128 states. [2018-07-23 13:41:24,146 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 128 to 127. [2018-07-23 13:41:24,146 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 127 states. [2018-07-23 13:41:24,147 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 127 states to 127 states and 127 transitions. [2018-07-23 13:41:24,147 INFO L78 Accepts]: Start accepts. Automaton has 127 states and 127 transitions. Word has length 124 [2018-07-23 13:41:24,147 INFO L84 Accepts]: Finished accepts. word is rejected. [2018-07-23 13:41:24,147 INFO L471 AbstractCegarLoop]: Abstraction has 127 states and 127 transitions. [2018-07-23 13:41:24,147 INFO L472 AbstractCegarLoop]: Interpolant automaton has 91 states. [2018-07-23 13:41:24,147 INFO L276 IsEmpty]: Start isEmpty. Operand 127 states and 127 transitions. [2018-07-23 13:41:24,159 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 127 [2018-07-23 13:41:24,159 INFO L349 BasicCegarLoop]: Found error trace [2018-07-23 13:41:24,159 INFO L357 BasicCegarLoop]: trace histogram [62, 61, 1, 1, 1] [2018-07-23 13:41:24,159 INFO L414 AbstractCegarLoop]: === Iteration 62 === [ULTIMATE.startErr0AssertViolationASSERT]=== [2018-07-23 13:41:24,160 INFO L82 PathProgramCache]: Analyzing trace with hash 1339174726, now seen corresponding path program 61 times [2018-07-23 13:41:24,160 INFO L69 tionRefinementEngine]: Using refinement strategy FixedRefinementStrategy [2018-07-23 13:41:24,184 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-07-23 13:41:24,771 INFO L134 CoverageAnalysis]: Checked inductivity of 3782 backedges. 0 proven. 3782 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2018-07-23 13:41:24,772 INFO L309 seRefinementStrategy]: Constructing automaton from 0 perfect and 1 imperfect interpolant sequences. [2018-07-23 13:41:24,772 INFO L324 seRefinementStrategy]: Number of different interpolants: perfect sequences [] imperfect sequences [92] total 92 [2018-07-23 13:41:24,772 INFO L142 lantAutomatonBuilder]: Constructing canonical interpolant automaton, with selfloop in false state [2018-07-23 13:41:24,773 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 13:41:24,773 INFO L185 omatonBuilderFactory]: Interpolants [21888#(and (<= 14 ULTIMATE.start_main_~x~4) (<= ULTIMATE.start_main_~x~4 14)), 21889#(and (<= 15 ULTIMATE.start_main_~x~4) (<= ULTIMATE.start_main_~x~4 15)), 21890#(and (<= ULTIMATE.start_main_~x~4 16) (<= 16 ULTIMATE.start_main_~x~4)), 21891#(and (<= ULTIMATE.start_main_~x~4 17) (<= 17 ULTIMATE.start_main_~x~4)), 21892#(and (<= 18 ULTIMATE.start_main_~x~4) (<= ULTIMATE.start_main_~x~4 18)), 21893#(and (<= 19 ULTIMATE.start_main_~x~4) (<= ULTIMATE.start_main_~x~4 19)), 21894#(and (<= 20 ULTIMATE.start_main_~x~4) (<= ULTIMATE.start_main_~x~4 20)), 21895#(and (<= ULTIMATE.start_main_~x~4 21) (<= 21 ULTIMATE.start_main_~x~4)), 21896#(and (<= ULTIMATE.start_main_~x~4 22) (<= 22 ULTIMATE.start_main_~x~4)), 21897#(and (<= ULTIMATE.start_main_~x~4 23) (<= 23 ULTIMATE.start_main_~x~4)), 21898#(and (<= ULTIMATE.start_main_~x~4 24) (<= 24 ULTIMATE.start_main_~x~4)), 21899#(and (<= ULTIMATE.start_main_~x~4 25) (<= 25 ULTIMATE.start_main_~x~4)), 21900#(and (<= ULTIMATE.start_main_~x~4 26) (<= 26 ULTIMATE.start_main_~x~4)), 21901#(and (<= ULTIMATE.start_main_~x~4 27) (<= 27 ULTIMATE.start_main_~x~4)), 21902#(and (<= ULTIMATE.start_main_~x~4 28) (<= 28 ULTIMATE.start_main_~x~4)), 21903#(and (<= 29 ULTIMATE.start_main_~x~4) (<= ULTIMATE.start_main_~x~4 29)), 21904#(and (<= ULTIMATE.start_main_~x~4 30) (<= 30 ULTIMATE.start_main_~x~4)), 21905#(and (<= ULTIMATE.start_main_~x~4 31) (<= 31 ULTIMATE.start_main_~x~4)), 21906#(and (<= ULTIMATE.start_main_~x~4 32) (<= 0 ULTIMATE.start_main_~y~4) (<= 32 ULTIMATE.start_main_~x~4)), 21907#(and (<= ULTIMATE.start_main_~x~4 32) (<= 32 ULTIMATE.start_main_~x~4) (<= 1 ULTIMATE.start_main_~y~4)), 21908#(and (<= ULTIMATE.start_main_~x~4 33) (<= 33 ULTIMATE.start_main_~x~4) (<= 1 ULTIMATE.start_main_~y~4)), 21909#(and (<= ULTIMATE.start_main_~x~4 33) (<= 2 ULTIMATE.start_main_~y~4) (<= 33 ULTIMATE.start_main_~x~4)), 21910#(and (<= 34 ULTIMATE.start_main_~x~4) (<= 2 ULTIMATE.start_main_~y~4) (<= ULTIMATE.start_main_~x~4 34)), 21911#(and (<= 34 ULTIMATE.start_main_~x~4) (<= 3 ULTIMATE.start_main_~y~4) (<= ULTIMATE.start_main_~x~4 34)), 21912#(and (<= 3 ULTIMATE.start_main_~y~4) (<= ULTIMATE.start_main_~x~4 35) (<= 35 ULTIMATE.start_main_~x~4)), 21913#(and (<= 4 ULTIMATE.start_main_~y~4) (<= ULTIMATE.start_main_~x~4 35) (<= 35 ULTIMATE.start_main_~x~4)), 21914#(and (<= 36 ULTIMATE.start_main_~x~4) (<= 4 ULTIMATE.start_main_~y~4) (<= ULTIMATE.start_main_~x~4 36)), 21915#(and (<= 36 ULTIMATE.start_main_~x~4) (<= 5 ULTIMATE.start_main_~y~4) (<= ULTIMATE.start_main_~x~4 36)), 21916#(and (<= ULTIMATE.start_main_~x~4 37) (<= 5 ULTIMATE.start_main_~y~4) (<= 37 ULTIMATE.start_main_~x~4)), 21917#(and (<= ULTIMATE.start_main_~x~4 37) (<= 6 ULTIMATE.start_main_~y~4) (<= 37 ULTIMATE.start_main_~x~4)), 21918#(and (<= 38 ULTIMATE.start_main_~x~4) (<= ULTIMATE.start_main_~x~4 38) (<= 6 ULTIMATE.start_main_~y~4)), 21919#(and (<= 38 ULTIMATE.start_main_~x~4) (<= 7 ULTIMATE.start_main_~y~4) (<= ULTIMATE.start_main_~x~4 38)), 21920#(and (<= 7 ULTIMATE.start_main_~y~4) (<= ULTIMATE.start_main_~x~4 39) (<= 39 ULTIMATE.start_main_~x~4)), 21921#(and (<= ULTIMATE.start_main_~x~4 39) (<= 8 ULTIMATE.start_main_~y~4) (<= 39 ULTIMATE.start_main_~x~4)), 21922#(and (<= ULTIMATE.start_main_~x~4 40) (<= 8 ULTIMATE.start_main_~y~4) (<= 40 ULTIMATE.start_main_~x~4)), 21923#(and (<= ULTIMATE.start_main_~x~4 40) (<= 40 ULTIMATE.start_main_~x~4) (<= 9 ULTIMATE.start_main_~y~4)), 21924#(and (<= ULTIMATE.start_main_~x~4 41) (<= 41 ULTIMATE.start_main_~x~4) (<= 9 ULTIMATE.start_main_~y~4)), 21925#(and (<= ULTIMATE.start_main_~x~4 41) (<= 41 ULTIMATE.start_main_~x~4) (<= 10 ULTIMATE.start_main_~y~4)), 21926#(and (<= 10 ULTIMATE.start_main_~y~4) (<= ULTIMATE.start_main_~x~4 42) (<= 42 ULTIMATE.start_main_~x~4)), 21927#(and (<= 11 ULTIMATE.start_main_~y~4) (<= ULTIMATE.start_main_~x~4 42) (<= 42 ULTIMATE.start_main_~x~4)), 21928#(and (<= ULTIMATE.start_main_~x~4 43) (<= 11 ULTIMATE.start_main_~y~4) (<= 43 ULTIMATE.start_main_~x~4)), 21929#(and (<= 12 ULTIMATE.start_main_~y~4) (<= ULTIMATE.start_main_~x~4 43) (<= 43 ULTIMATE.start_main_~x~4)), 21930#(and (<= 44 ULTIMATE.start_main_~x~4) (<= 12 ULTIMATE.start_main_~y~4) (<= ULTIMATE.start_main_~x~4 44)), 21931#(and (<= 44 ULTIMATE.start_main_~x~4) (<= 13 ULTIMATE.start_main_~y~4) (<= ULTIMATE.start_main_~x~4 44)), 21932#(and (<= 13 ULTIMATE.start_main_~y~4) (<= 45 ULTIMATE.start_main_~x~4) (<= ULTIMATE.start_main_~x~4 45)), 21933#(and (<= 14 ULTIMATE.start_main_~y~4) (<= 45 ULTIMATE.start_main_~x~4) (<= ULTIMATE.start_main_~x~4 45)), 21934#(and (<= ULTIMATE.start_main_~x~4 46) (<= 14 ULTIMATE.start_main_~y~4) (<= 46 ULTIMATE.start_main_~x~4)), 21935#(and (<= ULTIMATE.start_main_~x~4 46) (<= 46 ULTIMATE.start_main_~x~4) (<= 15 ULTIMATE.start_main_~y~4)), 21936#(and (<= 47 ULTIMATE.start_main_~x~4) (<= ULTIMATE.start_main_~x~4 47) (<= 15 ULTIMATE.start_main_~y~4)), 21937#(and (<= 47 ULTIMATE.start_main_~x~4) (<= 16 ULTIMATE.start_main_~y~4) (<= ULTIMATE.start_main_~x~4 47)), 21938#(and (<= 48 ULTIMATE.start_main_~x~4) (<= 16 ULTIMATE.start_main_~y~4) (<= ULTIMATE.start_main_~x~4 48)), 21939#(and (<= 48 ULTIMATE.start_main_~x~4) (<= 17 ULTIMATE.start_main_~y~4) (<= ULTIMATE.start_main_~x~4 48)), 21940#(and (<= 49 ULTIMATE.start_main_~x~4) (<= 17 ULTIMATE.start_main_~y~4) (<= ULTIMATE.start_main_~x~4 49)), 21941#(and (<= 18 ULTIMATE.start_main_~y~4) (<= 49 ULTIMATE.start_main_~x~4)), 21942#(and (<= 18 ULTIMATE.start_main_~y~4) (<= 50 ULTIMATE.start_main_~x~4)), 21943#(and (<= 50 ULTIMATE.start_main_~x~4) (<= 17 ULTIMATE.start_main_~y~4)), 21944#(and (<= 51 ULTIMATE.start_main_~x~4) (<= 17 ULTIMATE.start_main_~y~4)), 21945#(and (<= 51 ULTIMATE.start_main_~x~4) (<= 16 ULTIMATE.start_main_~y~4)), 21946#(and (<= 52 ULTIMATE.start_main_~x~4) (<= 16 ULTIMATE.start_main_~y~4)), 21947#(and (<= 52 ULTIMATE.start_main_~x~4) (<= 15 ULTIMATE.start_main_~y~4)), 21948#(and (<= 53 ULTIMATE.start_main_~x~4) (<= 15 ULTIMATE.start_main_~y~4)), 21949#(and (<= 53 ULTIMATE.start_main_~x~4) (<= 14 ULTIMATE.start_main_~y~4)), 21950#(and (<= 14 ULTIMATE.start_main_~y~4) (<= 54 ULTIMATE.start_main_~x~4)), 21951#(and (<= 13 ULTIMATE.start_main_~y~4) (<= 54 ULTIMATE.start_main_~x~4)), 21952#(and (<= 13 ULTIMATE.start_main_~y~4) (<= 55 ULTIMATE.start_main_~x~4)), 21953#(and (<= 12 ULTIMATE.start_main_~y~4) (<= 55 ULTIMATE.start_main_~x~4)), 21954#(and (<= 56 ULTIMATE.start_main_~x~4) (<= 12 ULTIMATE.start_main_~y~4)), 21955#(and (<= 56 ULTIMATE.start_main_~x~4) (<= 11 ULTIMATE.start_main_~y~4)), 21956#(and (<= 11 ULTIMATE.start_main_~y~4) (<= 57 ULTIMATE.start_main_~x~4)), 21957#(and (<= 10 ULTIMATE.start_main_~y~4) (<= 57 ULTIMATE.start_main_~x~4)), 21958#(and (<= 58 ULTIMATE.start_main_~x~4) (<= 10 ULTIMATE.start_main_~y~4)), 21959#(and (<= 58 ULTIMATE.start_main_~x~4) (<= 9 ULTIMATE.start_main_~y~4)), 21960#(and (<= 9 ULTIMATE.start_main_~y~4) (<= 59 ULTIMATE.start_main_~x~4)), 21961#(and (<= 8 ULTIMATE.start_main_~y~4) (<= 59 ULTIMATE.start_main_~x~4)), 21962#(and (<= 60 ULTIMATE.start_main_~x~4) (<= 8 ULTIMATE.start_main_~y~4)), 21963#(<= 7 ULTIMATE.start_main_~y~4), 21964#(<= 1 ULTIMATE.start_main_~y~4), 21872#true, 21873#false, 21874#(and (<= ULTIMATE.start_main_~x~4 0) (<= 0 ULTIMATE.start_main_~x~4)), 21875#(and (<= ULTIMATE.start_main_~x~4 1) (<= 1 ULTIMATE.start_main_~x~4)), 21876#(and (<= 2 ULTIMATE.start_main_~x~4) (<= ULTIMATE.start_main_~x~4 2)), 21877#(and (<= 3 ULTIMATE.start_main_~x~4) (<= ULTIMATE.start_main_~x~4 3)), 21878#(and (<= ULTIMATE.start_main_~x~4 4) (<= 4 ULTIMATE.start_main_~x~4)), 21879#(and (<= ULTIMATE.start_main_~x~4 5) (<= 5 ULTIMATE.start_main_~x~4)), 21880#(and (<= 6 ULTIMATE.start_main_~x~4) (<= ULTIMATE.start_main_~x~4 6)), 21881#(and (<= ULTIMATE.start_main_~x~4 7) (<= 7 ULTIMATE.start_main_~x~4)), 21882#(and (<= ULTIMATE.start_main_~x~4 8) (<= 8 ULTIMATE.start_main_~x~4)), 21883#(and (<= 9 ULTIMATE.start_main_~x~4) (<= ULTIMATE.start_main_~x~4 9)), 21884#(and (<= ULTIMATE.start_main_~x~4 10) (<= 10 ULTIMATE.start_main_~x~4)), 21885#(and (<= ULTIMATE.start_main_~x~4 11) (<= 11 ULTIMATE.start_main_~x~4)), 21886#(and (<= 12 ULTIMATE.start_main_~x~4) (<= ULTIMATE.start_main_~x~4 12)), 21887#(and (<= ULTIMATE.start_main_~x~4 13) (<= 13 ULTIMATE.start_main_~x~4))] [2018-07-23 13:41:24,774 INFO L134 CoverageAnalysis]: Checked inductivity of 3782 backedges. 0 proven. 3782 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2018-07-23 13:41:24,774 INFO L450 AbstractCegarLoop]: Interpolant automaton has 93 states [2018-07-23 13:41:24,774 INFO L132 InterpolantAutomaton]: Constructing interpolant automaton starting with 93 interpolants. [2018-07-23 13:41:24,775 INFO L133 InterpolantAutomaton]: CoverageRelationStatistics Valid=322, Invalid=8234, Unknown=0, NotChecked=0, Total=8556 [2018-07-23 13:41:24,775 INFO L87 Difference]: Start difference. First operand 127 states and 127 transitions. Second operand 93 states. [2018-07-23 13:41:25,291 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2018-07-23 13:41:25,292 INFO L93 Difference]: Finished difference Result 132 states and 132 transitions. [2018-07-23 13:41:25,292 INFO L142 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 93 states. [2018-07-23 13:41:25,292 INFO L78 Accepts]: Start accepts. Automaton has 93 states. Word has length 126 [2018-07-23 13:41:25,292 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2018-07-23 13:41:25,293 INFO L225 Difference]: With dead ends: 132 [2018-07-23 13:41:25,293 INFO L226 Difference]: Without dead ends: 130 [2018-07-23 13:41:25,294 INFO L575 BasicCegarLoop]: 0 DeclaredPredicates, 94 GetRequests, 1 SyntacticMatches, 1 SemanticMatches, 92 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 1053 ImplicationChecksByTransitivity, 0.4s TimeCoverageRelationStatistics Valid=328, Invalid=8414, Unknown=0, NotChecked=0, Total=8742 [2018-07-23 13:41:25,294 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 130 states. [2018-07-23 13:41:25,303 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 130 to 129. [2018-07-23 13:41:25,303 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 129 states. [2018-07-23 13:41:25,304 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 129 states to 129 states and 129 transitions. [2018-07-23 13:41:25,304 INFO L78 Accepts]: Start accepts. Automaton has 129 states and 129 transitions. Word has length 126 [2018-07-23 13:41:25,304 INFO L84 Accepts]: Finished accepts. word is rejected. [2018-07-23 13:41:25,304 INFO L471 AbstractCegarLoop]: Abstraction has 129 states and 129 transitions. [2018-07-23 13:41:25,304 INFO L472 AbstractCegarLoop]: Interpolant automaton has 93 states. [2018-07-23 13:41:25,304 INFO L276 IsEmpty]: Start isEmpty. Operand 129 states and 129 transitions. [2018-07-23 13:41:25,305 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 129 [2018-07-23 13:41:25,306 INFO L349 BasicCegarLoop]: Found error trace [2018-07-23 13:41:25,306 INFO L357 BasicCegarLoop]: trace histogram [63, 62, 1, 1, 1] [2018-07-23 13:41:25,306 INFO L414 AbstractCegarLoop]: === Iteration 63 === [ULTIMATE.startErr0AssertViolationASSERT]=== [2018-07-23 13:41:25,306 INFO L82 PathProgramCache]: Analyzing trace with hash -1543213332, now seen corresponding path program 62 times [2018-07-23 13:41:25,306 INFO L69 tionRefinementEngine]: Using refinement strategy FixedRefinementStrategy [2018-07-23 13:41:25,325 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-07-23 13:41:25,888 INFO L134 CoverageAnalysis]: Checked inductivity of 3906 backedges. 0 proven. 3906 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2018-07-23 13:41:25,889 INFO L309 seRefinementStrategy]: Constructing automaton from 0 perfect and 1 imperfect interpolant sequences. [2018-07-23 13:41:25,889 INFO L324 seRefinementStrategy]: Number of different interpolants: perfect sequences [] imperfect sequences [94] total 94 [2018-07-23 13:41:25,889 INFO L142 lantAutomatonBuilder]: Constructing canonical interpolant automaton, with selfloop in false state [2018-07-23 13:41:25,890 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2018-07-23 13:41:25,890 INFO L185 omatonBuilderFactory]: Interpolants [22528#(and (<= 34 ULTIMATE.start_main_~x~4) (<= 3 ULTIMATE.start_main_~y~4) (<= ULTIMATE.start_main_~x~4 34)), 22529#(and (<= 3 ULTIMATE.start_main_~y~4) (<= ULTIMATE.start_main_~x~4 35) (<= 35 ULTIMATE.start_main_~x~4)), 22530#(and (<= 4 ULTIMATE.start_main_~y~4) (<= ULTIMATE.start_main_~x~4 35) (<= 35 ULTIMATE.start_main_~x~4)), 22531#(and (<= 36 ULTIMATE.start_main_~x~4) (<= 4 ULTIMATE.start_main_~y~4) (<= ULTIMATE.start_main_~x~4 36)), 22532#(and (<= 36 ULTIMATE.start_main_~x~4) (<= 5 ULTIMATE.start_main_~y~4) (<= ULTIMATE.start_main_~x~4 36)), 22533#(and (<= ULTIMATE.start_main_~x~4 37) (<= 5 ULTIMATE.start_main_~y~4) (<= 37 ULTIMATE.start_main_~x~4)), 22534#(and (<= ULTIMATE.start_main_~x~4 37) (<= 6 ULTIMATE.start_main_~y~4) (<= 37 ULTIMATE.start_main_~x~4)), 22535#(and (<= 38 ULTIMATE.start_main_~x~4) (<= ULTIMATE.start_main_~x~4 38) (<= 6 ULTIMATE.start_main_~y~4)), 22536#(and (<= 38 ULTIMATE.start_main_~x~4) (<= 7 ULTIMATE.start_main_~y~4) (<= ULTIMATE.start_main_~x~4 38)), 22537#(and (<= 7 ULTIMATE.start_main_~y~4) (<= ULTIMATE.start_main_~x~4 39) (<= 39 ULTIMATE.start_main_~x~4)), 22538#(and (<= ULTIMATE.start_main_~x~4 39) (<= 8 ULTIMATE.start_main_~y~4) (<= 39 ULTIMATE.start_main_~x~4)), 22539#(and (<= ULTIMATE.start_main_~x~4 40) (<= 8 ULTIMATE.start_main_~y~4) (<= 40 ULTIMATE.start_main_~x~4)), 22540#(and (<= ULTIMATE.start_main_~x~4 40) (<= 40 ULTIMATE.start_main_~x~4) (<= 9 ULTIMATE.start_main_~y~4)), 22541#(and (<= ULTIMATE.start_main_~x~4 41) (<= 41 ULTIMATE.start_main_~x~4) (<= 9 ULTIMATE.start_main_~y~4)), 22542#(and (<= ULTIMATE.start_main_~x~4 41) (<= 41 ULTIMATE.start_main_~x~4) (<= 10 ULTIMATE.start_main_~y~4)), 22543#(and (<= 10 ULTIMATE.start_main_~y~4) (<= ULTIMATE.start_main_~x~4 42) (<= 42 ULTIMATE.start_main_~x~4)), 22544#(and (<= 11 ULTIMATE.start_main_~y~4) (<= ULTIMATE.start_main_~x~4 42) (<= 42 ULTIMATE.start_main_~x~4)), 22545#(and (<= ULTIMATE.start_main_~x~4 43) (<= 11 ULTIMATE.start_main_~y~4) (<= 43 ULTIMATE.start_main_~x~4)), 22546#(and (<= 12 ULTIMATE.start_main_~y~4) (<= ULTIMATE.start_main_~x~4 43) (<= 43 ULTIMATE.start_main_~x~4)), 22547#(and (<= 44 ULTIMATE.start_main_~x~4) (<= 12 ULTIMATE.start_main_~y~4) (<= ULTIMATE.start_main_~x~4 44)), 22548#(and (<= 44 ULTIMATE.start_main_~x~4) (<= 13 ULTIMATE.start_main_~y~4) (<= ULTIMATE.start_main_~x~4 44)), 22549#(and (<= 13 ULTIMATE.start_main_~y~4) (<= 45 ULTIMATE.start_main_~x~4) (<= ULTIMATE.start_main_~x~4 45)), 22550#(and (<= 14 ULTIMATE.start_main_~y~4) (<= 45 ULTIMATE.start_main_~x~4) (<= ULTIMATE.start_main_~x~4 45)), 22551#(and (<= ULTIMATE.start_main_~x~4 46) (<= 14 ULTIMATE.start_main_~y~4) (<= 46 ULTIMATE.start_main_~x~4)), 22552#(and (<= ULTIMATE.start_main_~x~4 46) (<= 46 ULTIMATE.start_main_~x~4) (<= 15 ULTIMATE.start_main_~y~4)), 22553#(and (<= 47 ULTIMATE.start_main_~x~4) (<= ULTIMATE.start_main_~x~4 47) (<= 15 ULTIMATE.start_main_~y~4)), 22554#(and (<= 47 ULTIMATE.start_main_~x~4) (<= 16 ULTIMATE.start_main_~y~4) (<= ULTIMATE.start_main_~x~4 47)), 22555#(and (<= 48 ULTIMATE.start_main_~x~4) (<= 16 ULTIMATE.start_main_~y~4) (<= ULTIMATE.start_main_~x~4 48)), 22556#(and (<= 48 ULTIMATE.start_main_~x~4) (<= 17 ULTIMATE.start_main_~y~4) (<= ULTIMATE.start_main_~x~4 48)), 22557#(and (<= 49 ULTIMATE.start_main_~x~4) (<= 17 ULTIMATE.start_main_~y~4) (<= ULTIMATE.start_main_~x~4 49)), 22558#(and (<= 18 ULTIMATE.start_main_~y~4) (<= 49 ULTIMATE.start_main_~x~4)), 22559#(and (<= 18 ULTIMATE.start_main_~y~4) (<= 50 ULTIMATE.start_main_~x~4)), 22560#(and (<= 50 ULTIMATE.start_main_~x~4) (<= 17 ULTIMATE.start_main_~y~4)), 22561#(and (<= 51 ULTIMATE.start_main_~x~4) (<= 17 ULTIMATE.start_main_~y~4)), 22562#(and (<= 51 ULTIMATE.start_main_~x~4) (<= 16 ULTIMATE.start_main_~y~4)), 22563#(and (<= 52 ULTIMATE.start_main_~x~4) (<= 16 ULTIMATE.start_main_~y~4)), 22564#(and (<= 52 ULTIMATE.start_main_~x~4) (<= 15 ULTIMATE.start_main_~y~4)), 22565#(and (<= 53 ULTIMATE.start_main_~x~4) (<= 15 ULTIMATE.start_main_~y~4)), 22566#(and (<= 53 ULTIMATE.start_main_~x~4) (<= 14 ULTIMATE.start_main_~y~4)), 22567#(and (<= 14 ULTIMATE.start_main_~y~4) (<= 54 ULTIMATE.start_main_~x~4)), 22568#(and (<= 13 ULTIMATE.start_main_~y~4) (<= 54 ULTIMATE.start_main_~x~4)), 22569#(and (<= 13 ULTIMATE.start_main_~y~4) (<= 55 ULTIMATE.start_main_~x~4)), 22570#(and (<= 12 ULTIMATE.start_main_~y~4) (<= 55 ULTIMATE.start_main_~x~4)), 22571#(and (<= 56 ULTIMATE.start_main_~x~4) (<= 12 ULTIMATE.start_main_~y~4)), 22572#(and (<= 56 ULTIMATE.start_main_~x~4) (<= 11 ULTIMATE.start_main_~y~4)), 22573#(and (<= 11 ULTIMATE.start_main_~y~4) (<= 57 ULTIMATE.start_main_~x~4)), 22574#(and (<= 10 ULTIMATE.start_main_~y~4) (<= 57 ULTIMATE.start_main_~x~4)), 22575#(and (<= 58 ULTIMATE.start_main_~x~4) (<= 10 ULTIMATE.start_main_~y~4)), 22576#(and (<= 58 ULTIMATE.start_main_~x~4) (<= 9 ULTIMATE.start_main_~y~4)), 22577#(and (<= 9 ULTIMATE.start_main_~y~4) (<= 59 ULTIMATE.start_main_~x~4)), 22578#(and (<= 8 ULTIMATE.start_main_~y~4) (<= 59 ULTIMATE.start_main_~x~4)), 22579#(and (<= 60 ULTIMATE.start_main_~x~4) (<= 8 ULTIMATE.start_main_~y~4)), 22580#(and (<= 7 ULTIMATE.start_main_~y~4) (<= 60 ULTIMATE.start_main_~x~4)), 22581#(and (<= 61 ULTIMATE.start_main_~x~4) (<= 7 ULTIMATE.start_main_~y~4)), 22582#(<= 6 ULTIMATE.start_main_~y~4), 22583#(<= 1 ULTIMATE.start_main_~y~4), 22489#true, 22490#false, 22491#(and (<= ULTIMATE.start_main_~x~4 0) (<= 0 ULTIMATE.start_main_~x~4)), 22492#(and (<= ULTIMATE.start_main_~x~4 1) (<= 1 ULTIMATE.start_main_~x~4)), 22493#(and (<= 2 ULTIMATE.start_main_~x~4) (<= ULTIMATE.start_main_~x~4 2)), 22494#(and (<= 3 ULTIMATE.start_main_~x~4) (<= ULTIMATE.start_main_~x~4 3)), 22495#(and (<= ULTIMATE.start_main_~x~4 4) (<= 4 ULTIMATE.start_main_~x~4)), 22496#(and (<= ULTIMATE.start_main_~x~4 5) (<= 5 ULTIMATE.start_main_~x~4)), 22497#(and (<= 6 ULTIMATE.start_main_~x~4) (<= ULTIMATE.start_main_~x~4 6)), 22498#(and (<= ULTIMATE.start_main_~x~4 7) (<= 7 ULTIMATE.start_main_~x~4)), 22499#(and (<= ULTIMATE.start_main_~x~4 8) (<= 8 ULTIMATE.start_main_~x~4)), 22500#(and (<= 9 ULTIMATE.start_main_~x~4) (<= ULTIMATE.start_main_~x~4 9)), 22501#(and (<= ULTIMATE.start_main_~x~4 10) (<= 10 ULTIMATE.start_main_~x~4)), 22502#(and (<= ULTIMATE.start_main_~x~4 11) (<= 11 ULTIMATE.start_main_~x~4)), 22503#(and (<= 12 ULTIMATE.start_main_~x~4) (<= ULTIMATE.start_main_~x~4 12)), 22504#(and (<= ULTIMATE.start_main_~x~4 13) (<= 13 ULTIMATE.start_main_~x~4)), 22505#(and (<= 14 ULTIMATE.start_main_~x~4) (<= ULTIMATE.start_main_~x~4 14)), 22506#(and (<= 15 ULTIMATE.start_main_~x~4) (<= ULTIMATE.start_main_~x~4 15)), 22507#(and (<= ULTIMATE.start_main_~x~4 16) (<= 16 ULTIMATE.start_main_~x~4)), 22508#(and (<= ULTIMATE.start_main_~x~4 17) (<= 17 ULTIMATE.start_main_~x~4)), 22509#(and (<= 18 ULTIMATE.start_main_~x~4) (<= ULTIMATE.start_main_~x~4 18)), 22510#(and (<= 19 ULTIMATE.start_main_~x~4) (<= ULTIMATE.start_main_~x~4 19)), 22511#(and (<= 20 ULTIMATE.start_main_~x~4) (<= ULTIMATE.start_main_~x~4 20)), 22512#(and (<= ULTIMATE.start_main_~x~4 21) (<= 21 ULTIMATE.start_main_~x~4)), 22513#(and (<= ULTIMATE.start_main_~x~4 22) (<= 22 ULTIMATE.start_main_~x~4)), 22514#(and (<= ULTIMATE.start_main_~x~4 23) (<= 23 ULTIMATE.start_main_~x~4)), 22515#(and (<= ULTIMATE.start_main_~x~4 24) (<= 24 ULTIMATE.start_main_~x~4)), 22516#(and (<= ULTIMATE.start_main_~x~4 25) (<= 25 ULTIMATE.start_main_~x~4)), 22517#(and (<= ULTIMATE.start_main_~x~4 26) (<= 26 ULTIMATE.start_main_~x~4)), 22518#(and (<= ULTIMATE.start_main_~x~4 27) (<= 27 ULTIMATE.start_main_~x~4)), 22519#(and (<= ULTIMATE.start_main_~x~4 28) (<= 28 ULTIMATE.start_main_~x~4)), 22520#(and (<= 29 ULTIMATE.start_main_~x~4) (<= ULTIMATE.start_main_~x~4 29)), 22521#(and (<= ULTIMATE.start_main_~x~4 30) (<= 30 ULTIMATE.start_main_~x~4)), 22522#(and (<= ULTIMATE.start_main_~x~4 31) (<= 31 ULTIMATE.start_main_~x~4)), 22523#(and (<= ULTIMATE.start_main_~x~4 32) (<= 0 ULTIMATE.start_main_~y~4) (<= 32 ULTIMATE.start_main_~x~4)), 22524#(and (<= ULTIMATE.start_main_~x~4 32) (<= 32 ULTIMATE.start_main_~x~4) (<= 1 ULTIMATE.start_main_~y~4)), 22525#(and (<= ULTIMATE.start_main_~x~4 33) (<= 33 ULTIMATE.start_main_~x~4) (<= 1 ULTIMATE.start_main_~y~4)), 22526#(and (<= ULTIMATE.start_main_~x~4 33) (<= 2 ULTIMATE.start_main_~y~4) (<= 33 ULTIMATE.start_main_~x~4)), 22527#(and (<= 34 ULTIMATE.start_main_~x~4) (<= 2 ULTIMATE.start_main_~y~4) (<= ULTIMATE.start_main_~x~4 34))] [2018-07-23 13:41:25,891 INFO L134 CoverageAnalysis]: Checked inductivity of 3906 backedges. 0 proven. 3906 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2018-07-23 13:41:25,891 INFO L450 AbstractCegarLoop]: Interpolant automaton has 95 states [2018-07-23 13:41:25,891 INFO L132 InterpolantAutomaton]: Constructing interpolant automaton starting with 95 interpolants. [2018-07-23 13:41:25,892 INFO L133 InterpolantAutomaton]: CoverageRelationStatistics Valid=334, Invalid=8596, Unknown=0, NotChecked=0, Total=8930 [2018-07-23 13:41:25,892 INFO L87 Difference]: Start difference. First operand 129 states and 129 transitions. Second operand 95 states. [2018-07-23 13:41:26,424 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2018-07-23 13:41:26,424 INFO L93 Difference]: Finished difference Result 134 states and 134 transitions. [2018-07-23 13:41:26,424 INFO L142 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 95 states. [2018-07-23 13:41:26,424 INFO L78 Accepts]: Start accepts. Automaton has 95 states. Word has length 128 [2018-07-23 13:41:26,425 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2018-07-23 13:41:26,425 INFO L225 Difference]: With dead ends: 134 [2018-07-23 13:41:26,426 INFO L226 Difference]: Without dead ends: 132 [2018-07-23 13:41:26,426 INFO L575 BasicCegarLoop]: 0 DeclaredPredicates, 96 GetRequests, 1 SyntacticMatches, 1 SemanticMatches, 94 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 1139 ImplicationChecksByTransitivity, 0.4s TimeCoverageRelationStatistics Valid=340, Invalid=8780, Unknown=0, NotChecked=0, Total=9120 [2018-07-23 13:41:26,426 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 132 states. [2018-07-23 13:41:26,436 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 132 to 131. [2018-07-23 13:41:26,436 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 131 states. [2018-07-23 13:41:26,437 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 131 states to 131 states and 131 transitions. [2018-07-23 13:41:26,437 INFO L78 Accepts]: Start accepts. Automaton has 131 states and 131 transitions. Word has length 128 [2018-07-23 13:41:26,437 INFO L84 Accepts]: Finished accepts. word is rejected. [2018-07-23 13:41:26,437 INFO L471 AbstractCegarLoop]: Abstraction has 131 states and 131 transitions. [2018-07-23 13:41:26,437 INFO L472 AbstractCegarLoop]: Interpolant automaton has 95 states. [2018-07-23 13:41:26,437 INFO L276 IsEmpty]: Start isEmpty. Operand 131 states and 131 transitions. [2018-07-23 13:41:26,438 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 131 [2018-07-23 13:41:26,438 INFO L349 BasicCegarLoop]: Found error trace [2018-07-23 13:41:26,438 INFO L357 BasicCegarLoop]: trace histogram [64, 63, 1, 1, 1] [2018-07-23 13:41:26,439 INFO L414 AbstractCegarLoop]: === Iteration 64 === [ULTIMATE.startErr0AssertViolationASSERT]=== [2018-07-23 13:41:26,439 INFO L82 PathProgramCache]: Analyzing trace with hash -1264231150, now seen corresponding path program 63 times [2018-07-23 13:41:26,439 INFO L69 tionRefinementEngine]: Using refinement strategy FixedRefinementStrategy [2018-07-23 13:41:26,458 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-07-23 13:41:26,987 INFO L134 CoverageAnalysis]: Checked inductivity of 4032 backedges. 0 proven. 4032 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2018-07-23 13:41:26,987 INFO L309 seRefinementStrategy]: Constructing automaton from 0 perfect and 1 imperfect interpolant sequences. [2018-07-23 13:41:26,988 INFO L324 seRefinementStrategy]: Number of different interpolants: perfect sequences [] imperfect sequences [96] total 96 [2018-07-23 13:41:26,988 INFO L142 lantAutomatonBuilder]: Constructing canonical interpolant automaton, with selfloop in false state [2018-07-23 13:41:26,988 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2018-07-23 13:41:26,989 INFO L185 omatonBuilderFactory]: Interpolants [23116#true, 23117#false, 23118#(and (<= ULTIMATE.start_main_~x~4 0) (<= 0 ULTIMATE.start_main_~x~4)), 23119#(and (<= ULTIMATE.start_main_~x~4 1) (<= 1 ULTIMATE.start_main_~x~4)), 23120#(and (<= 2 ULTIMATE.start_main_~x~4) (<= ULTIMATE.start_main_~x~4 2)), 23121#(and (<= 3 ULTIMATE.start_main_~x~4) (<= ULTIMATE.start_main_~x~4 3)), 23122#(and (<= ULTIMATE.start_main_~x~4 4) (<= 4 ULTIMATE.start_main_~x~4)), 23123#(and (<= ULTIMATE.start_main_~x~4 5) (<= 5 ULTIMATE.start_main_~x~4)), 23124#(and (<= 6 ULTIMATE.start_main_~x~4) (<= ULTIMATE.start_main_~x~4 6)), 23125#(and (<= ULTIMATE.start_main_~x~4 7) (<= 7 ULTIMATE.start_main_~x~4)), 23126#(and (<= ULTIMATE.start_main_~x~4 8) (<= 8 ULTIMATE.start_main_~x~4)), 23127#(and (<= 9 ULTIMATE.start_main_~x~4) (<= ULTIMATE.start_main_~x~4 9)), 23128#(and (<= ULTIMATE.start_main_~x~4 10) (<= 10 ULTIMATE.start_main_~x~4)), 23129#(and (<= ULTIMATE.start_main_~x~4 11) (<= 11 ULTIMATE.start_main_~x~4)), 23130#(and (<= 12 ULTIMATE.start_main_~x~4) (<= ULTIMATE.start_main_~x~4 12)), 23131#(and (<= ULTIMATE.start_main_~x~4 13) (<= 13 ULTIMATE.start_main_~x~4)), 23132#(and (<= 14 ULTIMATE.start_main_~x~4) (<= ULTIMATE.start_main_~x~4 14)), 23133#(and (<= 15 ULTIMATE.start_main_~x~4) (<= ULTIMATE.start_main_~x~4 15)), 23134#(and (<= ULTIMATE.start_main_~x~4 16) (<= 16 ULTIMATE.start_main_~x~4)), 23135#(and (<= ULTIMATE.start_main_~x~4 17) (<= 17 ULTIMATE.start_main_~x~4)), 23136#(and (<= 18 ULTIMATE.start_main_~x~4) (<= ULTIMATE.start_main_~x~4 18)), 23137#(and (<= 19 ULTIMATE.start_main_~x~4) (<= ULTIMATE.start_main_~x~4 19)), 23138#(and (<= 20 ULTIMATE.start_main_~x~4) (<= ULTIMATE.start_main_~x~4 20)), 23139#(and (<= ULTIMATE.start_main_~x~4 21) (<= 21 ULTIMATE.start_main_~x~4)), 23140#(and (<= ULTIMATE.start_main_~x~4 22) (<= 22 ULTIMATE.start_main_~x~4)), 23141#(and (<= ULTIMATE.start_main_~x~4 23) (<= 23 ULTIMATE.start_main_~x~4)), 23142#(and (<= ULTIMATE.start_main_~x~4 24) (<= 24 ULTIMATE.start_main_~x~4)), 23143#(and (<= ULTIMATE.start_main_~x~4 25) (<= 25 ULTIMATE.start_main_~x~4)), 23144#(and (<= ULTIMATE.start_main_~x~4 26) (<= 26 ULTIMATE.start_main_~x~4)), 23145#(and (<= ULTIMATE.start_main_~x~4 27) (<= 27 ULTIMATE.start_main_~x~4)), 23146#(and (<= ULTIMATE.start_main_~x~4 28) (<= 28 ULTIMATE.start_main_~x~4)), 23147#(and (<= 29 ULTIMATE.start_main_~x~4) (<= ULTIMATE.start_main_~x~4 29)), 23148#(and (<= ULTIMATE.start_main_~x~4 30) (<= 30 ULTIMATE.start_main_~x~4)), 23149#(and (<= ULTIMATE.start_main_~x~4 31) (<= 31 ULTIMATE.start_main_~x~4)), 23150#(and (<= ULTIMATE.start_main_~x~4 32) (<= 0 ULTIMATE.start_main_~y~4) (<= 32 ULTIMATE.start_main_~x~4)), 23151#(and (<= ULTIMATE.start_main_~x~4 32) (<= 32 ULTIMATE.start_main_~x~4) (<= 1 ULTIMATE.start_main_~y~4)), 23152#(and (<= ULTIMATE.start_main_~x~4 33) (<= 33 ULTIMATE.start_main_~x~4) (<= 1 ULTIMATE.start_main_~y~4)), 23153#(and (<= ULTIMATE.start_main_~x~4 33) (<= 2 ULTIMATE.start_main_~y~4) (<= 33 ULTIMATE.start_main_~x~4)), 23154#(and (<= 34 ULTIMATE.start_main_~x~4) (<= 2 ULTIMATE.start_main_~y~4) (<= ULTIMATE.start_main_~x~4 34)), 23155#(and (<= 34 ULTIMATE.start_main_~x~4) (<= 3 ULTIMATE.start_main_~y~4) (<= ULTIMATE.start_main_~x~4 34)), 23156#(and (<= 3 ULTIMATE.start_main_~y~4) (<= ULTIMATE.start_main_~x~4 35) (<= 35 ULTIMATE.start_main_~x~4)), 23157#(and (<= 4 ULTIMATE.start_main_~y~4) (<= ULTIMATE.start_main_~x~4 35) (<= 35 ULTIMATE.start_main_~x~4)), 23158#(and (<= 36 ULTIMATE.start_main_~x~4) (<= 4 ULTIMATE.start_main_~y~4) (<= ULTIMATE.start_main_~x~4 36)), 23159#(and (<= 36 ULTIMATE.start_main_~x~4) (<= 5 ULTIMATE.start_main_~y~4) (<= ULTIMATE.start_main_~x~4 36)), 23160#(and (<= ULTIMATE.start_main_~x~4 37) (<= 5 ULTIMATE.start_main_~y~4) (<= 37 ULTIMATE.start_main_~x~4)), 23161#(and (<= ULTIMATE.start_main_~x~4 37) (<= 6 ULTIMATE.start_main_~y~4) (<= 37 ULTIMATE.start_main_~x~4)), 23162#(and (<= 38 ULTIMATE.start_main_~x~4) (<= ULTIMATE.start_main_~x~4 38) (<= 6 ULTIMATE.start_main_~y~4)), 23163#(and (<= 38 ULTIMATE.start_main_~x~4) (<= 7 ULTIMATE.start_main_~y~4) (<= ULTIMATE.start_main_~x~4 38)), 23164#(and (<= 7 ULTIMATE.start_main_~y~4) (<= ULTIMATE.start_main_~x~4 39) (<= 39 ULTIMATE.start_main_~x~4)), 23165#(and (<= ULTIMATE.start_main_~x~4 39) (<= 8 ULTIMATE.start_main_~y~4) (<= 39 ULTIMATE.start_main_~x~4)), 23166#(and (<= ULTIMATE.start_main_~x~4 40) (<= 8 ULTIMATE.start_main_~y~4) (<= 40 ULTIMATE.start_main_~x~4)), 23167#(and (<= ULTIMATE.start_main_~x~4 40) (<= 40 ULTIMATE.start_main_~x~4) (<= 9 ULTIMATE.start_main_~y~4)), 23168#(and (<= ULTIMATE.start_main_~x~4 41) (<= 41 ULTIMATE.start_main_~x~4) (<= 9 ULTIMATE.start_main_~y~4)), 23169#(and (<= ULTIMATE.start_main_~x~4 41) (<= 41 ULTIMATE.start_main_~x~4) (<= 10 ULTIMATE.start_main_~y~4)), 23170#(and (<= 10 ULTIMATE.start_main_~y~4) (<= ULTIMATE.start_main_~x~4 42) (<= 42 ULTIMATE.start_main_~x~4)), 23171#(and (<= 11 ULTIMATE.start_main_~y~4) (<= ULTIMATE.start_main_~x~4 42) (<= 42 ULTIMATE.start_main_~x~4)), 23172#(and (<= ULTIMATE.start_main_~x~4 43) (<= 11 ULTIMATE.start_main_~y~4) (<= 43 ULTIMATE.start_main_~x~4)), 23173#(and (<= 12 ULTIMATE.start_main_~y~4) (<= ULTIMATE.start_main_~x~4 43) (<= 43 ULTIMATE.start_main_~x~4)), 23174#(and (<= 44 ULTIMATE.start_main_~x~4) (<= 12 ULTIMATE.start_main_~y~4) (<= ULTIMATE.start_main_~x~4 44)), 23175#(and (<= 44 ULTIMATE.start_main_~x~4) (<= 13 ULTIMATE.start_main_~y~4) (<= ULTIMATE.start_main_~x~4 44)), 23176#(and (<= 13 ULTIMATE.start_main_~y~4) (<= 45 ULTIMATE.start_main_~x~4) (<= ULTIMATE.start_main_~x~4 45)), 23177#(and (<= 14 ULTIMATE.start_main_~y~4) (<= 45 ULTIMATE.start_main_~x~4) (<= ULTIMATE.start_main_~x~4 45)), 23178#(and (<= ULTIMATE.start_main_~x~4 46) (<= 14 ULTIMATE.start_main_~y~4) (<= 46 ULTIMATE.start_main_~x~4)), 23179#(and (<= ULTIMATE.start_main_~x~4 46) (<= 46 ULTIMATE.start_main_~x~4) (<= 15 ULTIMATE.start_main_~y~4)), 23180#(and (<= 47 ULTIMATE.start_main_~x~4) (<= ULTIMATE.start_main_~x~4 47) (<= 15 ULTIMATE.start_main_~y~4)), 23181#(and (<= 47 ULTIMATE.start_main_~x~4) (<= 16 ULTIMATE.start_main_~y~4) (<= ULTIMATE.start_main_~x~4 47)), 23182#(and (<= 48 ULTIMATE.start_main_~x~4) (<= 16 ULTIMATE.start_main_~y~4) (<= ULTIMATE.start_main_~x~4 48)), 23183#(and (<= 48 ULTIMATE.start_main_~x~4) (<= 17 ULTIMATE.start_main_~y~4) (<= ULTIMATE.start_main_~x~4 48)), 23184#(and (<= 49 ULTIMATE.start_main_~x~4) (<= 17 ULTIMATE.start_main_~y~4) (<= ULTIMATE.start_main_~x~4 49)), 23185#(and (<= 18 ULTIMATE.start_main_~y~4) (<= 49 ULTIMATE.start_main_~x~4)), 23186#(and (<= 18 ULTIMATE.start_main_~y~4) (<= 50 ULTIMATE.start_main_~x~4)), 23187#(and (<= 50 ULTIMATE.start_main_~x~4) (<= 17 ULTIMATE.start_main_~y~4)), 23188#(and (<= 51 ULTIMATE.start_main_~x~4) (<= 17 ULTIMATE.start_main_~y~4)), 23189#(and (<= 51 ULTIMATE.start_main_~x~4) (<= 16 ULTIMATE.start_main_~y~4)), 23190#(and (<= 52 ULTIMATE.start_main_~x~4) (<= 16 ULTIMATE.start_main_~y~4)), 23191#(and (<= 52 ULTIMATE.start_main_~x~4) (<= 15 ULTIMATE.start_main_~y~4)), 23192#(and (<= 53 ULTIMATE.start_main_~x~4) (<= 15 ULTIMATE.start_main_~y~4)), 23193#(and (<= 53 ULTIMATE.start_main_~x~4) (<= 14 ULTIMATE.start_main_~y~4)), 23194#(and (<= 14 ULTIMATE.start_main_~y~4) (<= 54 ULTIMATE.start_main_~x~4)), 23195#(and (<= 13 ULTIMATE.start_main_~y~4) (<= 54 ULTIMATE.start_main_~x~4)), 23196#(and (<= 13 ULTIMATE.start_main_~y~4) (<= 55 ULTIMATE.start_main_~x~4)), 23197#(and (<= 12 ULTIMATE.start_main_~y~4) (<= 55 ULTIMATE.start_main_~x~4)), 23198#(and (<= 56 ULTIMATE.start_main_~x~4) (<= 12 ULTIMATE.start_main_~y~4)), 23199#(and (<= 56 ULTIMATE.start_main_~x~4) (<= 11 ULTIMATE.start_main_~y~4)), 23200#(and (<= 11 ULTIMATE.start_main_~y~4) (<= 57 ULTIMATE.start_main_~x~4)), 23201#(and (<= 10 ULTIMATE.start_main_~y~4) (<= 57 ULTIMATE.start_main_~x~4)), 23202#(and (<= 58 ULTIMATE.start_main_~x~4) (<= 10 ULTIMATE.start_main_~y~4)), 23203#(and (<= 58 ULTIMATE.start_main_~x~4) (<= 9 ULTIMATE.start_main_~y~4)), 23204#(and (<= 9 ULTIMATE.start_main_~y~4) (<= 59 ULTIMATE.start_main_~x~4)), 23205#(and (<= 8 ULTIMATE.start_main_~y~4) (<= 59 ULTIMATE.start_main_~x~4)), 23206#(and (<= 60 ULTIMATE.start_main_~x~4) (<= 8 ULTIMATE.start_main_~y~4)), 23207#(and (<= 7 ULTIMATE.start_main_~y~4) (<= 60 ULTIMATE.start_main_~x~4)), 23208#(and (<= 61 ULTIMATE.start_main_~x~4) (<= 7 ULTIMATE.start_main_~y~4)), 23209#(and (<= 61 ULTIMATE.start_main_~x~4) (<= 6 ULTIMATE.start_main_~y~4)), 23210#(and (<= 6 ULTIMATE.start_main_~y~4) (<= 62 ULTIMATE.start_main_~x~4)), 23211#(<= 5 ULTIMATE.start_main_~y~4), 23212#(<= 1 ULTIMATE.start_main_~y~4)] [2018-07-23 13:41:26,989 INFO L134 CoverageAnalysis]: Checked inductivity of 4032 backedges. 0 proven. 4032 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2018-07-23 13:41:26,989 INFO L450 AbstractCegarLoop]: Interpolant automaton has 97 states [2018-07-23 13:41:26,990 INFO L132 InterpolantAutomaton]: Constructing interpolant automaton starting with 97 interpolants. [2018-07-23 13:41:26,990 INFO L133 InterpolantAutomaton]: CoverageRelationStatistics Valid=346, Invalid=8966, Unknown=0, NotChecked=0, Total=9312 [2018-07-23 13:41:26,990 INFO L87 Difference]: Start difference. First operand 131 states and 131 transitions. Second operand 97 states. [2018-07-23 13:41:27,618 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2018-07-23 13:41:27,618 INFO L93 Difference]: Finished difference Result 136 states and 136 transitions. [2018-07-23 13:41:27,618 INFO L142 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 97 states. [2018-07-23 13:41:27,619 INFO L78 Accepts]: Start accepts. Automaton has 97 states. Word has length 130 [2018-07-23 13:41:27,619 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2018-07-23 13:41:27,620 INFO L225 Difference]: With dead ends: 136 [2018-07-23 13:41:27,620 INFO L226 Difference]: Without dead ends: 134 [2018-07-23 13:41:27,621 INFO L575 BasicCegarLoop]: 0 DeclaredPredicates, 98 GetRequests, 1 SyntacticMatches, 1 SemanticMatches, 96 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 1229 ImplicationChecksByTransitivity, 0.4s TimeCoverageRelationStatistics Valid=352, Invalid=9154, Unknown=0, NotChecked=0, Total=9506 [2018-07-23 13:41:27,621 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 134 states. [2018-07-23 13:41:27,632 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 134 to 133. [2018-07-23 13:41:27,632 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 133 states. [2018-07-23 13:41:27,633 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 133 states to 133 states and 133 transitions. [2018-07-23 13:41:27,633 INFO L78 Accepts]: Start accepts. Automaton has 133 states and 133 transitions. Word has length 130 [2018-07-23 13:41:27,633 INFO L84 Accepts]: Finished accepts. word is rejected. [2018-07-23 13:41:27,633 INFO L471 AbstractCegarLoop]: Abstraction has 133 states and 133 transitions. [2018-07-23 13:41:27,634 INFO L472 AbstractCegarLoop]: Interpolant automaton has 97 states. [2018-07-23 13:41:27,634 INFO L276 IsEmpty]: Start isEmpty. Operand 133 states and 133 transitions. [2018-07-23 13:41:27,634 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 133 [2018-07-23 13:41:27,635 INFO L349 BasicCegarLoop]: Found error trace [2018-07-23 13:41:27,635 INFO L357 BasicCegarLoop]: trace histogram [65, 64, 1, 1, 1] [2018-07-23 13:41:27,635 INFO L414 AbstractCegarLoop]: === Iteration 65 === [ULTIMATE.startErr0AssertViolationASSERT]=== [2018-07-23 13:41:27,635 INFO L82 PathProgramCache]: Analyzing trace with hash 549673400, now seen corresponding path program 64 times [2018-07-23 13:41:27,635 INFO L69 tionRefinementEngine]: Using refinement strategy FixedRefinementStrategy [2018-07-23 13:41:27,685 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-07-23 13:41:28,491 INFO L134 CoverageAnalysis]: Checked inductivity of 4160 backedges. 0 proven. 4160 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2018-07-23 13:41:28,491 INFO L309 seRefinementStrategy]: Constructing automaton from 0 perfect and 1 imperfect interpolant sequences. [2018-07-23 13:41:28,491 INFO L324 seRefinementStrategy]: Number of different interpolants: perfect sequences [] imperfect sequences [130] total 130 [2018-07-23 13:41:28,491 INFO L142 lantAutomatonBuilder]: Constructing canonical interpolant automaton, with selfloop in false state [2018-07-23 13:41:28,491 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2018-07-23 13:41:28,493 INFO L185 omatonBuilderFactory]: Interpolants [23808#(and (<= ULTIMATE.start_main_~x~4 26) (<= 27 ULTIMATE.start_main_~y~4) (<= 26 ULTIMATE.start_main_~x~4)), 23809#(and (<= ULTIMATE.start_main_~x~4 27) (<= 27 ULTIMATE.start_main_~y~4) (<= 27 ULTIMATE.start_main_~x~4)), 23810#(and (<= ULTIMATE.start_main_~x~4 27) (<= 27 ULTIMATE.start_main_~x~4) (<= 28 ULTIMATE.start_main_~y~4)), 23811#(and (<= ULTIMATE.start_main_~x~4 28) (<= 28 ULTIMATE.start_main_~y~4) (<= 28 ULTIMATE.start_main_~x~4)), 23812#(and (<= ULTIMATE.start_main_~x~4 28) (<= 29 ULTIMATE.start_main_~y~4) (<= 28 ULTIMATE.start_main_~x~4)), 23813#(and (<= 29 ULTIMATE.start_main_~x~4) (<= 29 ULTIMATE.start_main_~y~4) (<= ULTIMATE.start_main_~x~4 29)), 23814#(and (<= 29 ULTIMATE.start_main_~x~4) (<= 30 ULTIMATE.start_main_~y~4) (<= ULTIMATE.start_main_~x~4 29)), 23815#(and (<= ULTIMATE.start_main_~x~4 30) (<= 30 ULTIMATE.start_main_~y~4) (<= 30 ULTIMATE.start_main_~x~4)), 23816#(and (<= ULTIMATE.start_main_~x~4 30) (<= 31 ULTIMATE.start_main_~y~4) (<= 30 ULTIMATE.start_main_~x~4)), 23817#(and (<= ULTIMATE.start_main_~x~4 31) (<= 31 ULTIMATE.start_main_~y~4) (<= 31 ULTIMATE.start_main_~x~4)), 23818#(and (<= ULTIMATE.start_main_~x~4 31) (<= 32 ULTIMATE.start_main_~y~4) (<= 31 ULTIMATE.start_main_~x~4)), 23819#(and (<= ULTIMATE.start_main_~x~4 32) (<= 32 ULTIMATE.start_main_~y~4) (<= 32 ULTIMATE.start_main_~x~4)), 23820#(and (<= ULTIMATE.start_main_~x~4 32) (<= 33 ULTIMATE.start_main_~y~4) (<= 32 ULTIMATE.start_main_~x~4)), 23821#(and (<= ULTIMATE.start_main_~x~4 33) (<= 33 ULTIMATE.start_main_~y~4) (<= 33 ULTIMATE.start_main_~x~4)), 23822#(and (<= ULTIMATE.start_main_~x~4 33) (<= 33 ULTIMATE.start_main_~x~4) (<= 34 ULTIMATE.start_main_~y~4)), 23823#(and (<= 34 ULTIMATE.start_main_~x~4) (<= ULTIMATE.start_main_~x~4 34) (<= 34 ULTIMATE.start_main_~y~4)), 23824#(and (<= 34 ULTIMATE.start_main_~x~4) (<= ULTIMATE.start_main_~x~4 34) (<= 35 ULTIMATE.start_main_~y~4)), 23825#(and (<= ULTIMATE.start_main_~x~4 35) (<= 35 ULTIMATE.start_main_~y~4) (<= 35 ULTIMATE.start_main_~x~4)), 23826#(and (<= ULTIMATE.start_main_~x~4 35) (<= 35 ULTIMATE.start_main_~x~4) (<= 36 ULTIMATE.start_main_~y~4)), 23827#(and (<= 36 ULTIMATE.start_main_~x~4) (<= ULTIMATE.start_main_~x~4 36) (<= 36 ULTIMATE.start_main_~y~4)), 23828#(and (<= 36 ULTIMATE.start_main_~x~4) (<= 37 ULTIMATE.start_main_~y~4) (<= ULTIMATE.start_main_~x~4 36)), 23829#(and (<= 37 ULTIMATE.start_main_~y~4) (<= ULTIMATE.start_main_~x~4 37) (<= 37 ULTIMATE.start_main_~x~4)), 23830#(and (<= ULTIMATE.start_main_~x~4 37) (<= 38 ULTIMATE.start_main_~y~4) (<= 37 ULTIMATE.start_main_~x~4)), 23831#(and (<= 38 ULTIMATE.start_main_~x~4) (<= ULTIMATE.start_main_~x~4 38) (<= 38 ULTIMATE.start_main_~y~4)), 23832#(and (<= 38 ULTIMATE.start_main_~x~4) (<= 39 ULTIMATE.start_main_~y~4) (<= ULTIMATE.start_main_~x~4 38)), 23833#(and (<= 39 ULTIMATE.start_main_~y~4) (<= ULTIMATE.start_main_~x~4 39) (<= 39 ULTIMATE.start_main_~x~4)), 23834#(and (<= ULTIMATE.start_main_~x~4 39) (<= 39 ULTIMATE.start_main_~x~4) (<= 40 ULTIMATE.start_main_~y~4)), 23835#(and (<= ULTIMATE.start_main_~x~4 40) (<= 40 ULTIMATE.start_main_~x~4) (<= 40 ULTIMATE.start_main_~y~4)), 23836#(and (<= ULTIMATE.start_main_~x~4 40) (<= 40 ULTIMATE.start_main_~x~4) (<= 41 ULTIMATE.start_main_~y~4)), 23837#(and (<= ULTIMATE.start_main_~x~4 41) (<= 41 ULTIMATE.start_main_~x~4) (<= 41 ULTIMATE.start_main_~y~4)), 23838#(and (<= ULTIMATE.start_main_~x~4 41) (<= 41 ULTIMATE.start_main_~x~4) (<= 42 ULTIMATE.start_main_~y~4)), 23839#(and (<= 42 ULTIMATE.start_main_~y~4) (<= ULTIMATE.start_main_~x~4 42) (<= 42 ULTIMATE.start_main_~x~4)), 23840#(and (<= 43 ULTIMATE.start_main_~y~4) (<= ULTIMATE.start_main_~x~4 42) (<= 42 ULTIMATE.start_main_~x~4)), 23841#(and (<= 43 ULTIMATE.start_main_~y~4) (<= ULTIMATE.start_main_~x~4 43) (<= 43 ULTIMATE.start_main_~x~4)), 23842#(and (<= ULTIMATE.start_main_~x~4 43) (<= 44 ULTIMATE.start_main_~y~4) (<= 43 ULTIMATE.start_main_~x~4)), 23843#(and (<= 44 ULTIMATE.start_main_~x~4) (<= ULTIMATE.start_main_~x~4 44) (<= 44 ULTIMATE.start_main_~y~4)), 23844#(and (<= 44 ULTIMATE.start_main_~x~4) (<= ULTIMATE.start_main_~x~4 44) (<= 45 ULTIMATE.start_main_~y~4)), 23845#(and (<= 45 ULTIMATE.start_main_~y~4) (<= 45 ULTIMATE.start_main_~x~4) (<= ULTIMATE.start_main_~x~4 45)), 23846#(and (<= 46 ULTIMATE.start_main_~y~4) (<= 45 ULTIMATE.start_main_~x~4) (<= ULTIMATE.start_main_~x~4 45)), 23847#(and (<= ULTIMATE.start_main_~x~4 46) (<= 46 ULTIMATE.start_main_~x~4) (<= 46 ULTIMATE.start_main_~y~4)), 23848#(and (<= ULTIMATE.start_main_~x~4 46) (<= 47 ULTIMATE.start_main_~y~4) (<= 46 ULTIMATE.start_main_~x~4)), 23849#(and (<= 47 ULTIMATE.start_main_~y~4) (<= 47 ULTIMATE.start_main_~x~4) (<= ULTIMATE.start_main_~x~4 47)), 23850#(and (<= 48 ULTIMATE.start_main_~y~4) (<= 47 ULTIMATE.start_main_~x~4) (<= ULTIMATE.start_main_~x~4 47)), 23851#(and (<= 48 ULTIMATE.start_main_~x~4) (<= 48 ULTIMATE.start_main_~y~4) (<= ULTIMATE.start_main_~x~4 48)), 23852#(and (<= 48 ULTIMATE.start_main_~x~4) (<= 49 ULTIMATE.start_main_~y~4) (<= ULTIMATE.start_main_~x~4 48)), 23853#(and (<= 49 ULTIMATE.start_main_~x~4) (<= 49 ULTIMATE.start_main_~y~4) (<= ULTIMATE.start_main_~x~4 49)), 23854#(and (<= 49 ULTIMATE.start_main_~x~4) (<= 50 ULTIMATE.start_main_~y~4)), 23855#(and (<= 50 ULTIMATE.start_main_~x~4) (<= 50 ULTIMATE.start_main_~y~4)), 23856#(and (<= 50 ULTIMATE.start_main_~x~4) (<= 49 ULTIMATE.start_main_~y~4)), 23857#(and (<= 51 ULTIMATE.start_main_~x~4) (<= 49 ULTIMATE.start_main_~y~4)), 23858#(and (<= 51 ULTIMATE.start_main_~x~4) (<= 48 ULTIMATE.start_main_~y~4)), 23859#(and (<= 52 ULTIMATE.start_main_~x~4) (<= 48 ULTIMATE.start_main_~y~4)), 23860#(and (<= 52 ULTIMATE.start_main_~x~4) (<= 47 ULTIMATE.start_main_~y~4)), 23861#(and (<= 47 ULTIMATE.start_main_~y~4) (<= 53 ULTIMATE.start_main_~x~4)), 23862#(and (<= 53 ULTIMATE.start_main_~x~4) (<= 46 ULTIMATE.start_main_~y~4)), 23863#(and (<= 54 ULTIMATE.start_main_~x~4) (<= 46 ULTIMATE.start_main_~y~4)), 23864#(and (<= 45 ULTIMATE.start_main_~y~4) (<= 54 ULTIMATE.start_main_~x~4)), 23865#(and (<= 45 ULTIMATE.start_main_~y~4) (<= 55 ULTIMATE.start_main_~x~4)), 23866#(and (<= 55 ULTIMATE.start_main_~x~4) (<= 44 ULTIMATE.start_main_~y~4)), 23867#(and (<= 56 ULTIMATE.start_main_~x~4) (<= 44 ULTIMATE.start_main_~y~4)), 23868#(and (<= 56 ULTIMATE.start_main_~x~4) (<= 43 ULTIMATE.start_main_~y~4)), 23869#(and (<= 43 ULTIMATE.start_main_~y~4) (<= 57 ULTIMATE.start_main_~x~4)), 23870#(and (<= 42 ULTIMATE.start_main_~y~4) (<= 57 ULTIMATE.start_main_~x~4)), 23871#(and (<= 58 ULTIMATE.start_main_~x~4) (<= 42 ULTIMATE.start_main_~y~4)), 23872#(and (<= 58 ULTIMATE.start_main_~x~4) (<= 41 ULTIMATE.start_main_~y~4)), 23873#(and (<= 41 ULTIMATE.start_main_~y~4) (<= 59 ULTIMATE.start_main_~x~4)), 23874#(and (<= 40 ULTIMATE.start_main_~y~4) (<= 59 ULTIMATE.start_main_~x~4)), 23875#(and (<= 60 ULTIMATE.start_main_~x~4) (<= 40 ULTIMATE.start_main_~y~4)), 23876#(and (<= 39 ULTIMATE.start_main_~y~4) (<= 60 ULTIMATE.start_main_~x~4)), 23877#(and (<= 61 ULTIMATE.start_main_~x~4) (<= 39 ULTIMATE.start_main_~y~4)), 23878#(and (<= 61 ULTIMATE.start_main_~x~4) (<= 38 ULTIMATE.start_main_~y~4)), 23879#(and (<= 38 ULTIMATE.start_main_~y~4) (<= 62 ULTIMATE.start_main_~x~4)), 23880#(and (<= 37 ULTIMATE.start_main_~y~4) (<= 62 ULTIMATE.start_main_~x~4)), 23881#(and (<= 63 ULTIMATE.start_main_~x~4) (<= 37 ULTIMATE.start_main_~y~4)), 23882#(<= 36 ULTIMATE.start_main_~y~4), 23883#(<= 1 ULTIMATE.start_main_~y~4), 23753#true, 23754#false, 23755#(and (<= 0 ULTIMATE.start_main_~y~4) (<= ULTIMATE.start_main_~x~4 0) (<= 0 ULTIMATE.start_main_~x~4)), 23756#(and (<= ULTIMATE.start_main_~x~4 0) (<= 0 ULTIMATE.start_main_~x~4) (<= 1 ULTIMATE.start_main_~y~4)), 23757#(and (<= ULTIMATE.start_main_~x~4 1) (<= 1 ULTIMATE.start_main_~y~4) (<= 1 ULTIMATE.start_main_~x~4)), 23758#(and (<= 2 ULTIMATE.start_main_~y~4) (<= ULTIMATE.start_main_~x~4 1) (<= 1 ULTIMATE.start_main_~x~4)), 23759#(and (<= 2 ULTIMATE.start_main_~y~4) (<= 2 ULTIMATE.start_main_~x~4) (<= ULTIMATE.start_main_~x~4 2)), 23760#(and (<= 3 ULTIMATE.start_main_~y~4) (<= 2 ULTIMATE.start_main_~x~4) (<= ULTIMATE.start_main_~x~4 2)), 23761#(and (<= 3 ULTIMATE.start_main_~x~4) (<= 3 ULTIMATE.start_main_~y~4) (<= ULTIMATE.start_main_~x~4 3)), 23762#(and (<= 3 ULTIMATE.start_main_~x~4) (<= 4 ULTIMATE.start_main_~y~4) (<= ULTIMATE.start_main_~x~4 3)), 23763#(and (<= 4 ULTIMATE.start_main_~y~4) (<= ULTIMATE.start_main_~x~4 4) (<= 4 ULTIMATE.start_main_~x~4)), 23764#(and (<= 5 ULTIMATE.start_main_~y~4) (<= ULTIMATE.start_main_~x~4 4) (<= 4 ULTIMATE.start_main_~x~4)), 23765#(and (<= ULTIMATE.start_main_~x~4 5) (<= 5 ULTIMATE.start_main_~y~4) (<= 5 ULTIMATE.start_main_~x~4)), 23766#(and (<= ULTIMATE.start_main_~x~4 5) (<= 6 ULTIMATE.start_main_~y~4) (<= 5 ULTIMATE.start_main_~x~4)), 23767#(and (<= 6 ULTIMATE.start_main_~x~4) (<= 6 ULTIMATE.start_main_~y~4) (<= ULTIMATE.start_main_~x~4 6)), 23768#(and (<= 6 ULTIMATE.start_main_~x~4) (<= 7 ULTIMATE.start_main_~y~4) (<= ULTIMATE.start_main_~x~4 6)), 23769#(and (<= ULTIMATE.start_main_~x~4 7) (<= 7 ULTIMATE.start_main_~y~4) (<= 7 ULTIMATE.start_main_~x~4)), 23770#(and (<= ULTIMATE.start_main_~x~4 7) (<= 7 ULTIMATE.start_main_~x~4) (<= 8 ULTIMATE.start_main_~y~4)), 23771#(and (<= ULTIMATE.start_main_~x~4 8) (<= 8 ULTIMATE.start_main_~y~4) (<= 8 ULTIMATE.start_main_~x~4)), 23772#(and (<= ULTIMATE.start_main_~x~4 8) (<= 8 ULTIMATE.start_main_~x~4) (<= 9 ULTIMATE.start_main_~y~4)), 23773#(and (<= 9 ULTIMATE.start_main_~x~4) (<= ULTIMATE.start_main_~x~4 9) (<= 9 ULTIMATE.start_main_~y~4)), 23774#(and (<= 9 ULTIMATE.start_main_~x~4) (<= 10 ULTIMATE.start_main_~y~4) (<= ULTIMATE.start_main_~x~4 9)), 23775#(and (<= ULTIMATE.start_main_~x~4 10) (<= 10 ULTIMATE.start_main_~y~4) (<= 10 ULTIMATE.start_main_~x~4)), 23776#(and (<= ULTIMATE.start_main_~x~4 10) (<= 11 ULTIMATE.start_main_~y~4) (<= 10 ULTIMATE.start_main_~x~4)), 23777#(and (<= ULTIMATE.start_main_~x~4 11) (<= 11 ULTIMATE.start_main_~x~4) (<= 11 ULTIMATE.start_main_~y~4)), 23778#(and (<= ULTIMATE.start_main_~x~4 11) (<= 11 ULTIMATE.start_main_~x~4) (<= 12 ULTIMATE.start_main_~y~4)), 23779#(and (<= 12 ULTIMATE.start_main_~x~4) (<= 12 ULTIMATE.start_main_~y~4) (<= ULTIMATE.start_main_~x~4 12)), 23780#(and (<= 12 ULTIMATE.start_main_~x~4) (<= 13 ULTIMATE.start_main_~y~4) (<= ULTIMATE.start_main_~x~4 12)), 23781#(and (<= 13 ULTIMATE.start_main_~y~4) (<= ULTIMATE.start_main_~x~4 13) (<= 13 ULTIMATE.start_main_~x~4)), 23782#(and (<= 14 ULTIMATE.start_main_~y~4) (<= ULTIMATE.start_main_~x~4 13) (<= 13 ULTIMATE.start_main_~x~4)), 23783#(and (<= 14 ULTIMATE.start_main_~y~4) (<= 14 ULTIMATE.start_main_~x~4) (<= ULTIMATE.start_main_~x~4 14)), 23784#(and (<= 14 ULTIMATE.start_main_~x~4) (<= ULTIMATE.start_main_~x~4 14) (<= 15 ULTIMATE.start_main_~y~4)), 23785#(and (<= 15 ULTIMATE.start_main_~x~4) (<= 15 ULTIMATE.start_main_~y~4) (<= ULTIMATE.start_main_~x~4 15)), 23786#(and (<= 15 ULTIMATE.start_main_~x~4) (<= 16 ULTIMATE.start_main_~y~4) (<= ULTIMATE.start_main_~x~4 15)), 23787#(and (<= ULTIMATE.start_main_~x~4 16) (<= 16 ULTIMATE.start_main_~x~4) (<= 16 ULTIMATE.start_main_~y~4)), 23788#(and (<= ULTIMATE.start_main_~x~4 16) (<= 16 ULTIMATE.start_main_~x~4) (<= 17 ULTIMATE.start_main_~y~4)), 23789#(and (<= ULTIMATE.start_main_~x~4 17) (<= 17 ULTIMATE.start_main_~y~4) (<= 17 ULTIMATE.start_main_~x~4)), 23790#(and (<= 18 ULTIMATE.start_main_~y~4) (<= ULTIMATE.start_main_~x~4 17) (<= 17 ULTIMATE.start_main_~x~4)), 23791#(and (<= 18 ULTIMATE.start_main_~y~4) (<= 18 ULTIMATE.start_main_~x~4) (<= ULTIMATE.start_main_~x~4 18)), 23792#(and (<= 18 ULTIMATE.start_main_~x~4) (<= ULTIMATE.start_main_~x~4 18) (<= 19 ULTIMATE.start_main_~y~4)), 23793#(and (<= 19 ULTIMATE.start_main_~y~4) (<= 19 ULTIMATE.start_main_~x~4) (<= ULTIMATE.start_main_~x~4 19)), 23794#(and (<= 20 ULTIMATE.start_main_~y~4) (<= 19 ULTIMATE.start_main_~x~4) (<= ULTIMATE.start_main_~x~4 19)), 23795#(and (<= 20 ULTIMATE.start_main_~x~4) (<= 20 ULTIMATE.start_main_~y~4) (<= ULTIMATE.start_main_~x~4 20)), 23796#(and (<= 20 ULTIMATE.start_main_~x~4) (<= 21 ULTIMATE.start_main_~y~4) (<= ULTIMATE.start_main_~x~4 20)), 23797#(and (<= ULTIMATE.start_main_~x~4 21) (<= 21 ULTIMATE.start_main_~y~4) (<= 21 ULTIMATE.start_main_~x~4)), 23798#(and (<= ULTIMATE.start_main_~x~4 21) (<= 21 ULTIMATE.start_main_~x~4) (<= 22 ULTIMATE.start_main_~y~4)), 23799#(and (<= ULTIMATE.start_main_~x~4 22) (<= 22 ULTIMATE.start_main_~x~4) (<= 22 ULTIMATE.start_main_~y~4)), 23800#(and (<= 23 ULTIMATE.start_main_~y~4) (<= ULTIMATE.start_main_~x~4 22) (<= 22 ULTIMATE.start_main_~x~4)), 23801#(and (<= ULTIMATE.start_main_~x~4 23) (<= 23 ULTIMATE.start_main_~x~4) (<= 23 ULTIMATE.start_main_~y~4)), 23802#(and (<= ULTIMATE.start_main_~x~4 23) (<= 23 ULTIMATE.start_main_~x~4) (<= 24 ULTIMATE.start_main_~y~4)), 23803#(and (<= 24 ULTIMATE.start_main_~y~4) (<= ULTIMATE.start_main_~x~4 24) (<= 24 ULTIMATE.start_main_~x~4)), 23804#(and (<= 25 ULTIMATE.start_main_~y~4) (<= ULTIMATE.start_main_~x~4 24) (<= 24 ULTIMATE.start_main_~x~4)), 23805#(and (<= 25 ULTIMATE.start_main_~y~4) (<= ULTIMATE.start_main_~x~4 25) (<= 25 ULTIMATE.start_main_~x~4)), 23806#(and (<= ULTIMATE.start_main_~x~4 25) (<= 26 ULTIMATE.start_main_~y~4) (<= 25 ULTIMATE.start_main_~x~4)), 23807#(and (<= ULTIMATE.start_main_~x~4 26) (<= 26 ULTIMATE.start_main_~y~4) (<= 26 ULTIMATE.start_main_~x~4))] [2018-07-23 13:41:28,494 INFO L134 CoverageAnalysis]: Checked inductivity of 4160 backedges. 0 proven. 4160 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2018-07-23 13:41:28,494 INFO L450 AbstractCegarLoop]: Interpolant automaton has 131 states [2018-07-23 13:41:28,495 INFO L132 InterpolantAutomaton]: Constructing interpolant automaton starting with 131 interpolants. [2018-07-23 13:41:28,496 INFO L133 InterpolantAutomaton]: CoverageRelationStatistics Valid=518, Invalid=16512, Unknown=0, NotChecked=0, Total=17030 [2018-07-23 13:41:28,499 INFO L87 Difference]: Start difference. First operand 133 states and 133 transitions. Second operand 131 states. [2018-07-23 13:41:29,195 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2018-07-23 13:41:29,196 INFO L93 Difference]: Finished difference Result 138 states and 138 transitions. [2018-07-23 13:41:29,196 INFO L142 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 131 states. [2018-07-23 13:41:29,196 INFO L78 Accepts]: Start accepts. Automaton has 131 states. Word has length 132 [2018-07-23 13:41:29,196 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2018-07-23 13:41:29,197 INFO L225 Difference]: With dead ends: 138 [2018-07-23 13:41:29,197 INFO L226 Difference]: Without dead ends: 136 [2018-07-23 13:41:29,198 INFO L575 BasicCegarLoop]: 0 DeclaredPredicates, 132 GetRequests, 1 SyntacticMatches, 1 SemanticMatches, 130 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 4491 ImplicationChecksByTransitivity, 0.6s TimeCoverageRelationStatistics Valid=524, Invalid=16768, Unknown=0, NotChecked=0, Total=17292 [2018-07-23 13:41:29,198 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 136 states. [2018-07-23 13:41:29,207 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 136 to 135. [2018-07-23 13:41:29,207 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 135 states. [2018-07-23 13:41:29,207 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 135 states to 135 states and 135 transitions. [2018-07-23 13:41:29,208 INFO L78 Accepts]: Start accepts. Automaton has 135 states and 135 transitions. Word has length 132 [2018-07-23 13:41:29,208 INFO L84 Accepts]: Finished accepts. word is rejected. [2018-07-23 13:41:29,208 INFO L471 AbstractCegarLoop]: Abstraction has 135 states and 135 transitions. [2018-07-23 13:41:29,208 INFO L472 AbstractCegarLoop]: Interpolant automaton has 131 states. [2018-07-23 13:41:29,208 INFO L276 IsEmpty]: Start isEmpty. Operand 135 states and 135 transitions. [2018-07-23 13:41:29,209 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 135 [2018-07-23 13:41:29,209 INFO L349 BasicCegarLoop]: Found error trace [2018-07-23 13:41:29,209 INFO L357 BasicCegarLoop]: trace histogram [66, 65, 1, 1, 1] [2018-07-23 13:41:29,209 INFO L414 AbstractCegarLoop]: === Iteration 66 === [ULTIMATE.startErr0AssertViolationASSERT]=== [2018-07-23 13:41:29,209 INFO L82 PathProgramCache]: Analyzing trace with hash -44776226, now seen corresponding path program 65 times [2018-07-23 13:41:29,209 INFO L69 tionRefinementEngine]: Using refinement strategy FixedRefinementStrategy [2018-07-23 13:41:29,228 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-07-23 13:41:30,224 INFO L134 CoverageAnalysis]: Checked inductivity of 4290 backedges. 0 proven. 4290 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2018-07-23 13:41:30,224 INFO L309 seRefinementStrategy]: Constructing automaton from 0 perfect and 1 imperfect interpolant sequences. [2018-07-23 13:41:30,224 INFO L324 seRefinementStrategy]: Number of different interpolants: perfect sequences [] imperfect sequences [132] total 132 [2018-07-23 13:41:30,224 INFO L142 lantAutomatonBuilder]: Constructing canonical interpolant automaton, with selfloop in false state [2018-07-23 13:41:30,225 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 13:41:30,225 INFO L185 omatonBuilderFactory]: Interpolants [24432#true, 24433#false, 24434#(and (<= 0 ULTIMATE.start_main_~y~4) (<= ULTIMATE.start_main_~x~4 0) (<= 0 ULTIMATE.start_main_~x~4)), 24435#(and (<= ULTIMATE.start_main_~x~4 0) (<= 0 ULTIMATE.start_main_~x~4) (<= 1 ULTIMATE.start_main_~y~4)), 24436#(and (<= ULTIMATE.start_main_~x~4 1) (<= 1 ULTIMATE.start_main_~y~4) (<= 1 ULTIMATE.start_main_~x~4)), 24437#(and (<= 2 ULTIMATE.start_main_~y~4) (<= ULTIMATE.start_main_~x~4 1) (<= 1 ULTIMATE.start_main_~x~4)), 24438#(and (<= 2 ULTIMATE.start_main_~y~4) (<= 2 ULTIMATE.start_main_~x~4) (<= ULTIMATE.start_main_~x~4 2)), 24439#(and (<= 3 ULTIMATE.start_main_~y~4) (<= 2 ULTIMATE.start_main_~x~4) (<= ULTIMATE.start_main_~x~4 2)), 24440#(and (<= 3 ULTIMATE.start_main_~x~4) (<= 3 ULTIMATE.start_main_~y~4) (<= ULTIMATE.start_main_~x~4 3)), 24441#(and (<= 3 ULTIMATE.start_main_~x~4) (<= 4 ULTIMATE.start_main_~y~4) (<= ULTIMATE.start_main_~x~4 3)), 24442#(and (<= 4 ULTIMATE.start_main_~y~4) (<= ULTIMATE.start_main_~x~4 4) (<= 4 ULTIMATE.start_main_~x~4)), 24443#(and (<= 5 ULTIMATE.start_main_~y~4) (<= ULTIMATE.start_main_~x~4 4) (<= 4 ULTIMATE.start_main_~x~4)), 24444#(and (<= ULTIMATE.start_main_~x~4 5) (<= 5 ULTIMATE.start_main_~y~4) (<= 5 ULTIMATE.start_main_~x~4)), 24445#(and (<= ULTIMATE.start_main_~x~4 5) (<= 6 ULTIMATE.start_main_~y~4) (<= 5 ULTIMATE.start_main_~x~4)), 24446#(and (<= 6 ULTIMATE.start_main_~x~4) (<= 6 ULTIMATE.start_main_~y~4) (<= ULTIMATE.start_main_~x~4 6)), 24447#(and (<= 6 ULTIMATE.start_main_~x~4) (<= 7 ULTIMATE.start_main_~y~4) (<= ULTIMATE.start_main_~x~4 6)), 24448#(and (<= ULTIMATE.start_main_~x~4 7) (<= 7 ULTIMATE.start_main_~y~4) (<= 7 ULTIMATE.start_main_~x~4)), 24449#(and (<= ULTIMATE.start_main_~x~4 7) (<= 7 ULTIMATE.start_main_~x~4) (<= 8 ULTIMATE.start_main_~y~4)), 24450#(and (<= ULTIMATE.start_main_~x~4 8) (<= 8 ULTIMATE.start_main_~y~4) (<= 8 ULTIMATE.start_main_~x~4)), 24451#(and (<= ULTIMATE.start_main_~x~4 8) (<= 8 ULTIMATE.start_main_~x~4) (<= 9 ULTIMATE.start_main_~y~4)), 24452#(and (<= 9 ULTIMATE.start_main_~x~4) (<= ULTIMATE.start_main_~x~4 9) (<= 9 ULTIMATE.start_main_~y~4)), 24453#(and (<= 9 ULTIMATE.start_main_~x~4) (<= 10 ULTIMATE.start_main_~y~4) (<= ULTIMATE.start_main_~x~4 9)), 24454#(and (<= ULTIMATE.start_main_~x~4 10) (<= 10 ULTIMATE.start_main_~y~4) (<= 10 ULTIMATE.start_main_~x~4)), 24455#(and (<= ULTIMATE.start_main_~x~4 10) (<= 11 ULTIMATE.start_main_~y~4) (<= 10 ULTIMATE.start_main_~x~4)), 24456#(and (<= ULTIMATE.start_main_~x~4 11) (<= 11 ULTIMATE.start_main_~x~4) (<= 11 ULTIMATE.start_main_~y~4)), 24457#(and (<= ULTIMATE.start_main_~x~4 11) (<= 11 ULTIMATE.start_main_~x~4) (<= 12 ULTIMATE.start_main_~y~4)), 24458#(and (<= 12 ULTIMATE.start_main_~x~4) (<= 12 ULTIMATE.start_main_~y~4) (<= ULTIMATE.start_main_~x~4 12)), 24459#(and (<= 12 ULTIMATE.start_main_~x~4) (<= 13 ULTIMATE.start_main_~y~4) (<= ULTIMATE.start_main_~x~4 12)), 24460#(and (<= 13 ULTIMATE.start_main_~y~4) (<= ULTIMATE.start_main_~x~4 13) (<= 13 ULTIMATE.start_main_~x~4)), 24461#(and (<= 14 ULTIMATE.start_main_~y~4) (<= ULTIMATE.start_main_~x~4 13) (<= 13 ULTIMATE.start_main_~x~4)), 24462#(and (<= 14 ULTIMATE.start_main_~y~4) (<= 14 ULTIMATE.start_main_~x~4) (<= ULTIMATE.start_main_~x~4 14)), 24463#(and (<= 14 ULTIMATE.start_main_~x~4) (<= ULTIMATE.start_main_~x~4 14) (<= 15 ULTIMATE.start_main_~y~4)), 24464#(and (<= 15 ULTIMATE.start_main_~x~4) (<= 15 ULTIMATE.start_main_~y~4) (<= ULTIMATE.start_main_~x~4 15)), 24465#(and (<= 15 ULTIMATE.start_main_~x~4) (<= 16 ULTIMATE.start_main_~y~4) (<= ULTIMATE.start_main_~x~4 15)), 24466#(and (<= ULTIMATE.start_main_~x~4 16) (<= 16 ULTIMATE.start_main_~x~4) (<= 16 ULTIMATE.start_main_~y~4)), 24467#(and (<= ULTIMATE.start_main_~x~4 16) (<= 16 ULTIMATE.start_main_~x~4) (<= 17 ULTIMATE.start_main_~y~4)), 24468#(and (<= ULTIMATE.start_main_~x~4 17) (<= 17 ULTIMATE.start_main_~y~4) (<= 17 ULTIMATE.start_main_~x~4)), 24469#(and (<= 18 ULTIMATE.start_main_~y~4) (<= ULTIMATE.start_main_~x~4 17) (<= 17 ULTIMATE.start_main_~x~4)), 24470#(and (<= 18 ULTIMATE.start_main_~y~4) (<= 18 ULTIMATE.start_main_~x~4) (<= ULTIMATE.start_main_~x~4 18)), 24471#(and (<= 18 ULTIMATE.start_main_~x~4) (<= ULTIMATE.start_main_~x~4 18) (<= 19 ULTIMATE.start_main_~y~4)), 24472#(and (<= 19 ULTIMATE.start_main_~y~4) (<= 19 ULTIMATE.start_main_~x~4) (<= ULTIMATE.start_main_~x~4 19)), 24473#(and (<= 20 ULTIMATE.start_main_~y~4) (<= 19 ULTIMATE.start_main_~x~4) (<= ULTIMATE.start_main_~x~4 19)), 24474#(and (<= 20 ULTIMATE.start_main_~x~4) (<= 20 ULTIMATE.start_main_~y~4) (<= ULTIMATE.start_main_~x~4 20)), 24475#(and (<= 20 ULTIMATE.start_main_~x~4) (<= 21 ULTIMATE.start_main_~y~4) (<= ULTIMATE.start_main_~x~4 20)), 24476#(and (<= ULTIMATE.start_main_~x~4 21) (<= 21 ULTIMATE.start_main_~y~4) (<= 21 ULTIMATE.start_main_~x~4)), 24477#(and (<= ULTIMATE.start_main_~x~4 21) (<= 21 ULTIMATE.start_main_~x~4) (<= 22 ULTIMATE.start_main_~y~4)), 24478#(and (<= ULTIMATE.start_main_~x~4 22) (<= 22 ULTIMATE.start_main_~x~4) (<= 22 ULTIMATE.start_main_~y~4)), 24479#(and (<= 23 ULTIMATE.start_main_~y~4) (<= ULTIMATE.start_main_~x~4 22) (<= 22 ULTIMATE.start_main_~x~4)), 24480#(and (<= ULTIMATE.start_main_~x~4 23) (<= 23 ULTIMATE.start_main_~x~4) (<= 23 ULTIMATE.start_main_~y~4)), 24481#(and (<= ULTIMATE.start_main_~x~4 23) (<= 23 ULTIMATE.start_main_~x~4) (<= 24 ULTIMATE.start_main_~y~4)), 24482#(and (<= 24 ULTIMATE.start_main_~y~4) (<= ULTIMATE.start_main_~x~4 24) (<= 24 ULTIMATE.start_main_~x~4)), 24483#(and (<= 25 ULTIMATE.start_main_~y~4) (<= ULTIMATE.start_main_~x~4 24) (<= 24 ULTIMATE.start_main_~x~4)), 24484#(and (<= 25 ULTIMATE.start_main_~y~4) (<= ULTIMATE.start_main_~x~4 25) (<= 25 ULTIMATE.start_main_~x~4)), 24485#(and (<= ULTIMATE.start_main_~x~4 25) (<= 26 ULTIMATE.start_main_~y~4) (<= 25 ULTIMATE.start_main_~x~4)), 24486#(and (<= ULTIMATE.start_main_~x~4 26) (<= 26 ULTIMATE.start_main_~y~4) (<= 26 ULTIMATE.start_main_~x~4)), 24487#(and (<= ULTIMATE.start_main_~x~4 26) (<= 27 ULTIMATE.start_main_~y~4) (<= 26 ULTIMATE.start_main_~x~4)), 24488#(and (<= ULTIMATE.start_main_~x~4 27) (<= 27 ULTIMATE.start_main_~y~4) (<= 27 ULTIMATE.start_main_~x~4)), 24489#(and (<= ULTIMATE.start_main_~x~4 27) (<= 27 ULTIMATE.start_main_~x~4) (<= 28 ULTIMATE.start_main_~y~4)), 24490#(and (<= ULTIMATE.start_main_~x~4 28) (<= 28 ULTIMATE.start_main_~y~4) (<= 28 ULTIMATE.start_main_~x~4)), 24491#(and (<= ULTIMATE.start_main_~x~4 28) (<= 29 ULTIMATE.start_main_~y~4) (<= 28 ULTIMATE.start_main_~x~4)), 24492#(and (<= 29 ULTIMATE.start_main_~x~4) (<= 29 ULTIMATE.start_main_~y~4) (<= ULTIMATE.start_main_~x~4 29)), 24493#(and (<= 29 ULTIMATE.start_main_~x~4) (<= 30 ULTIMATE.start_main_~y~4) (<= ULTIMATE.start_main_~x~4 29)), 24494#(and (<= ULTIMATE.start_main_~x~4 30) (<= 30 ULTIMATE.start_main_~y~4) (<= 30 ULTIMATE.start_main_~x~4)), 24495#(and (<= ULTIMATE.start_main_~x~4 30) (<= 31 ULTIMATE.start_main_~y~4) (<= 30 ULTIMATE.start_main_~x~4)), 24496#(and (<= ULTIMATE.start_main_~x~4 31) (<= 31 ULTIMATE.start_main_~y~4) (<= 31 ULTIMATE.start_main_~x~4)), 24497#(and (<= ULTIMATE.start_main_~x~4 31) (<= 32 ULTIMATE.start_main_~y~4) (<= 31 ULTIMATE.start_main_~x~4)), 24498#(and (<= ULTIMATE.start_main_~x~4 32) (<= 32 ULTIMATE.start_main_~y~4) (<= 32 ULTIMATE.start_main_~x~4)), 24499#(and (<= ULTIMATE.start_main_~x~4 32) (<= 33 ULTIMATE.start_main_~y~4) (<= 32 ULTIMATE.start_main_~x~4)), 24500#(and (<= ULTIMATE.start_main_~x~4 33) (<= 33 ULTIMATE.start_main_~y~4) (<= 33 ULTIMATE.start_main_~x~4)), 24501#(and (<= ULTIMATE.start_main_~x~4 33) (<= 33 ULTIMATE.start_main_~x~4) (<= 34 ULTIMATE.start_main_~y~4)), 24502#(and (<= 34 ULTIMATE.start_main_~x~4) (<= ULTIMATE.start_main_~x~4 34) (<= 34 ULTIMATE.start_main_~y~4)), 24503#(and (<= 34 ULTIMATE.start_main_~x~4) (<= ULTIMATE.start_main_~x~4 34) (<= 35 ULTIMATE.start_main_~y~4)), 24504#(and (<= ULTIMATE.start_main_~x~4 35) (<= 35 ULTIMATE.start_main_~y~4) (<= 35 ULTIMATE.start_main_~x~4)), 24505#(and (<= ULTIMATE.start_main_~x~4 35) (<= 35 ULTIMATE.start_main_~x~4) (<= 36 ULTIMATE.start_main_~y~4)), 24506#(and (<= 36 ULTIMATE.start_main_~x~4) (<= ULTIMATE.start_main_~x~4 36) (<= 36 ULTIMATE.start_main_~y~4)), 24507#(and (<= 36 ULTIMATE.start_main_~x~4) (<= 37 ULTIMATE.start_main_~y~4) (<= ULTIMATE.start_main_~x~4 36)), 24508#(and (<= 37 ULTIMATE.start_main_~y~4) (<= ULTIMATE.start_main_~x~4 37) (<= 37 ULTIMATE.start_main_~x~4)), 24509#(and (<= ULTIMATE.start_main_~x~4 37) (<= 38 ULTIMATE.start_main_~y~4) (<= 37 ULTIMATE.start_main_~x~4)), 24510#(and (<= 38 ULTIMATE.start_main_~x~4) (<= ULTIMATE.start_main_~x~4 38) (<= 38 ULTIMATE.start_main_~y~4)), 24511#(and (<= 38 ULTIMATE.start_main_~x~4) (<= 39 ULTIMATE.start_main_~y~4) (<= ULTIMATE.start_main_~x~4 38)), 24512#(and (<= 39 ULTIMATE.start_main_~y~4) (<= ULTIMATE.start_main_~x~4 39) (<= 39 ULTIMATE.start_main_~x~4)), 24513#(and (<= ULTIMATE.start_main_~x~4 39) (<= 39 ULTIMATE.start_main_~x~4) (<= 40 ULTIMATE.start_main_~y~4)), 24514#(and (<= ULTIMATE.start_main_~x~4 40) (<= 40 ULTIMATE.start_main_~x~4) (<= 40 ULTIMATE.start_main_~y~4)), 24515#(and (<= ULTIMATE.start_main_~x~4 40) (<= 40 ULTIMATE.start_main_~x~4) (<= 41 ULTIMATE.start_main_~y~4)), 24516#(and (<= ULTIMATE.start_main_~x~4 41) (<= 41 ULTIMATE.start_main_~x~4) (<= 41 ULTIMATE.start_main_~y~4)), 24517#(and (<= ULTIMATE.start_main_~x~4 41) (<= 41 ULTIMATE.start_main_~x~4) (<= 42 ULTIMATE.start_main_~y~4)), 24518#(and (<= 42 ULTIMATE.start_main_~y~4) (<= ULTIMATE.start_main_~x~4 42) (<= 42 ULTIMATE.start_main_~x~4)), 24519#(and (<= 43 ULTIMATE.start_main_~y~4) (<= ULTIMATE.start_main_~x~4 42) (<= 42 ULTIMATE.start_main_~x~4)), 24520#(and (<= 43 ULTIMATE.start_main_~y~4) (<= ULTIMATE.start_main_~x~4 43) (<= 43 ULTIMATE.start_main_~x~4)), 24521#(and (<= ULTIMATE.start_main_~x~4 43) (<= 44 ULTIMATE.start_main_~y~4) (<= 43 ULTIMATE.start_main_~x~4)), 24522#(and (<= 44 ULTIMATE.start_main_~x~4) (<= ULTIMATE.start_main_~x~4 44) (<= 44 ULTIMATE.start_main_~y~4)), 24523#(and (<= 44 ULTIMATE.start_main_~x~4) (<= ULTIMATE.start_main_~x~4 44) (<= 45 ULTIMATE.start_main_~y~4)), 24524#(and (<= 45 ULTIMATE.start_main_~y~4) (<= 45 ULTIMATE.start_main_~x~4) (<= ULTIMATE.start_main_~x~4 45)), 24525#(and (<= 46 ULTIMATE.start_main_~y~4) (<= 45 ULTIMATE.start_main_~x~4) (<= ULTIMATE.start_main_~x~4 45)), 24526#(and (<= ULTIMATE.start_main_~x~4 46) (<= 46 ULTIMATE.start_main_~x~4) (<= 46 ULTIMATE.start_main_~y~4)), 24527#(and (<= ULTIMATE.start_main_~x~4 46) (<= 47 ULTIMATE.start_main_~y~4) (<= 46 ULTIMATE.start_main_~x~4)), 24528#(and (<= 47 ULTIMATE.start_main_~y~4) (<= 47 ULTIMATE.start_main_~x~4) (<= ULTIMATE.start_main_~x~4 47)), 24529#(and (<= 48 ULTIMATE.start_main_~y~4) (<= 47 ULTIMATE.start_main_~x~4) (<= ULTIMATE.start_main_~x~4 47)), 24530#(and (<= 48 ULTIMATE.start_main_~x~4) (<= 48 ULTIMATE.start_main_~y~4) (<= ULTIMATE.start_main_~x~4 48)), 24531#(and (<= 48 ULTIMATE.start_main_~x~4) (<= 49 ULTIMATE.start_main_~y~4) (<= ULTIMATE.start_main_~x~4 48)), 24532#(and (<= 49 ULTIMATE.start_main_~x~4) (<= 49 ULTIMATE.start_main_~y~4) (<= ULTIMATE.start_main_~x~4 49)), 24533#(and (<= 49 ULTIMATE.start_main_~x~4) (<= 50 ULTIMATE.start_main_~y~4)), 24534#(and (<= 50 ULTIMATE.start_main_~x~4) (<= 50 ULTIMATE.start_main_~y~4)), 24535#(and (<= 50 ULTIMATE.start_main_~x~4) (<= 49 ULTIMATE.start_main_~y~4)), 24536#(and (<= 51 ULTIMATE.start_main_~x~4) (<= 49 ULTIMATE.start_main_~y~4)), 24537#(and (<= 51 ULTIMATE.start_main_~x~4) (<= 48 ULTIMATE.start_main_~y~4)), 24538#(and (<= 52 ULTIMATE.start_main_~x~4) (<= 48 ULTIMATE.start_main_~y~4)), 24539#(and (<= 52 ULTIMATE.start_main_~x~4) (<= 47 ULTIMATE.start_main_~y~4)), 24540#(and (<= 47 ULTIMATE.start_main_~y~4) (<= 53 ULTIMATE.start_main_~x~4)), 24541#(and (<= 53 ULTIMATE.start_main_~x~4) (<= 46 ULTIMATE.start_main_~y~4)), 24542#(and (<= 54 ULTIMATE.start_main_~x~4) (<= 46 ULTIMATE.start_main_~y~4)), 24543#(and (<= 45 ULTIMATE.start_main_~y~4) (<= 54 ULTIMATE.start_main_~x~4)), 24544#(and (<= 45 ULTIMATE.start_main_~y~4) (<= 55 ULTIMATE.start_main_~x~4)), 24545#(and (<= 55 ULTIMATE.start_main_~x~4) (<= 44 ULTIMATE.start_main_~y~4)), 24546#(and (<= 56 ULTIMATE.start_main_~x~4) (<= 44 ULTIMATE.start_main_~y~4)), 24547#(and (<= 56 ULTIMATE.start_main_~x~4) (<= 43 ULTIMATE.start_main_~y~4)), 24548#(and (<= 43 ULTIMATE.start_main_~y~4) (<= 57 ULTIMATE.start_main_~x~4)), 24549#(and (<= 42 ULTIMATE.start_main_~y~4) (<= 57 ULTIMATE.start_main_~x~4)), 24550#(and (<= 58 ULTIMATE.start_main_~x~4) (<= 42 ULTIMATE.start_main_~y~4)), 24551#(and (<= 58 ULTIMATE.start_main_~x~4) (<= 41 ULTIMATE.start_main_~y~4)), 24552#(and (<= 41 ULTIMATE.start_main_~y~4) (<= 59 ULTIMATE.start_main_~x~4)), 24553#(and (<= 40 ULTIMATE.start_main_~y~4) (<= 59 ULTIMATE.start_main_~x~4)), 24554#(and (<= 60 ULTIMATE.start_main_~x~4) (<= 40 ULTIMATE.start_main_~y~4)), 24555#(and (<= 39 ULTIMATE.start_main_~y~4) (<= 60 ULTIMATE.start_main_~x~4)), 24556#(and (<= 61 ULTIMATE.start_main_~x~4) (<= 39 ULTIMATE.start_main_~y~4)), 24557#(and (<= 61 ULTIMATE.start_main_~x~4) (<= 38 ULTIMATE.start_main_~y~4)), 24558#(and (<= 38 ULTIMATE.start_main_~y~4) (<= 62 ULTIMATE.start_main_~x~4)), 24559#(and (<= 37 ULTIMATE.start_main_~y~4) (<= 62 ULTIMATE.start_main_~x~4)), 24560#(and (<= 63 ULTIMATE.start_main_~x~4) (<= 37 ULTIMATE.start_main_~y~4)), 24561#(and (<= 63 ULTIMATE.start_main_~x~4) (<= 36 ULTIMATE.start_main_~y~4)), 24562#(and (<= 64 ULTIMATE.start_main_~x~4) (<= 36 ULTIMATE.start_main_~y~4)), 24563#(<= 35 ULTIMATE.start_main_~y~4), 24564#(<= 1 ULTIMATE.start_main_~y~4)] [2018-07-23 13:41:30,226 INFO L134 CoverageAnalysis]: Checked inductivity of 4290 backedges. 0 proven. 4290 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2018-07-23 13:41:30,226 INFO L450 AbstractCegarLoop]: Interpolant automaton has 133 states [2018-07-23 13:41:30,227 INFO L132 InterpolantAutomaton]: Constructing interpolant automaton starting with 133 interpolants. [2018-07-23 13:41:30,228 INFO L133 InterpolantAutomaton]: CoverageRelationStatistics Valid=530, Invalid=17026, Unknown=0, NotChecked=0, Total=17556 [2018-07-23 13:41:30,228 INFO L87 Difference]: Start difference. First operand 135 states and 135 transitions. Second operand 133 states. [2018-07-23 13:41:30,959 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2018-07-23 13:41:30,959 INFO L93 Difference]: Finished difference Result 140 states and 140 transitions. [2018-07-23 13:41:30,959 INFO L142 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 133 states. [2018-07-23 13:41:30,959 INFO L78 Accepts]: Start accepts. Automaton has 133 states. Word has length 134 [2018-07-23 13:41:30,960 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2018-07-23 13:41:30,961 INFO L225 Difference]: With dead ends: 140 [2018-07-23 13:41:30,961 INFO L226 Difference]: Without dead ends: 138 [2018-07-23 13:41:30,961 INFO L575 BasicCegarLoop]: 0 DeclaredPredicates, 134 GetRequests, 1 SyntacticMatches, 1 SemanticMatches, 132 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 4653 ImplicationChecksByTransitivity, 0.8s TimeCoverageRelationStatistics Valid=536, Invalid=17286, Unknown=0, NotChecked=0, Total=17822 [2018-07-23 13:41:30,962 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 138 states. [2018-07-23 13:41:30,972 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 138 to 137. [2018-07-23 13:41:30,972 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 137 states. [2018-07-23 13:41:30,972 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 137 states to 137 states and 137 transitions. [2018-07-23 13:41:30,973 INFO L78 Accepts]: Start accepts. Automaton has 137 states and 137 transitions. Word has length 134 [2018-07-23 13:41:30,973 INFO L84 Accepts]: Finished accepts. word is rejected. [2018-07-23 13:41:30,973 INFO L471 AbstractCegarLoop]: Abstraction has 137 states and 137 transitions. [2018-07-23 13:41:30,973 INFO L472 AbstractCegarLoop]: Interpolant automaton has 133 states. [2018-07-23 13:41:30,973 INFO L276 IsEmpty]: Start isEmpty. Operand 137 states and 137 transitions. [2018-07-23 13:41:30,974 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 137 [2018-07-23 13:41:30,974 INFO L349 BasicCegarLoop]: Found error trace [2018-07-23 13:41:30,974 INFO L357 BasicCegarLoop]: trace histogram [67, 66, 1, 1, 1] [2018-07-23 13:41:30,974 INFO L414 AbstractCegarLoop]: === Iteration 67 === [ULTIMATE.startErr0AssertViolationASSERT]=== [2018-07-23 13:41:30,975 INFO L82 PathProgramCache]: Analyzing trace with hash -80216444, now seen corresponding path program 66 times [2018-07-23 13:41:30,975 INFO L69 tionRefinementEngine]: Using refinement strategy FixedRefinementStrategy [2018-07-23 13:41:30,990 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-07-23 13:41:32,042 INFO L134 CoverageAnalysis]: Checked inductivity of 4422 backedges. 0 proven. 4422 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2018-07-23 13:41:32,042 INFO L309 seRefinementStrategy]: Constructing automaton from 0 perfect and 1 imperfect interpolant sequences. [2018-07-23 13:41:32,042 INFO L324 seRefinementStrategy]: Number of different interpolants: perfect sequences [] imperfect sequences [134] total 134 [2018-07-23 13:41:32,043 INFO L142 lantAutomatonBuilder]: Constructing canonical interpolant automaton, with selfloop in false state [2018-07-23 13:41:32,043 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2018-07-23 13:41:32,044 INFO L185 omatonBuilderFactory]: Interpolants [25121#true, 25122#false, 25123#(and (<= 0 ULTIMATE.start_main_~y~4) (<= ULTIMATE.start_main_~x~4 0) (<= 0 ULTIMATE.start_main_~x~4)), 25124#(and (<= ULTIMATE.start_main_~x~4 0) (<= 0 ULTIMATE.start_main_~x~4) (<= 1 ULTIMATE.start_main_~y~4)), 25125#(and (<= ULTIMATE.start_main_~x~4 1) (<= 1 ULTIMATE.start_main_~y~4) (<= 1 ULTIMATE.start_main_~x~4)), 25126#(and (<= 2 ULTIMATE.start_main_~y~4) (<= ULTIMATE.start_main_~x~4 1) (<= 1 ULTIMATE.start_main_~x~4)), 25127#(and (<= 2 ULTIMATE.start_main_~y~4) (<= 2 ULTIMATE.start_main_~x~4) (<= ULTIMATE.start_main_~x~4 2)), 25128#(and (<= 3 ULTIMATE.start_main_~y~4) (<= 2 ULTIMATE.start_main_~x~4) (<= ULTIMATE.start_main_~x~4 2)), 25129#(and (<= 3 ULTIMATE.start_main_~x~4) (<= 3 ULTIMATE.start_main_~y~4) (<= ULTIMATE.start_main_~x~4 3)), 25130#(and (<= 3 ULTIMATE.start_main_~x~4) (<= 4 ULTIMATE.start_main_~y~4) (<= ULTIMATE.start_main_~x~4 3)), 25131#(and (<= 4 ULTIMATE.start_main_~y~4) (<= ULTIMATE.start_main_~x~4 4) (<= 4 ULTIMATE.start_main_~x~4)), 25132#(and (<= 5 ULTIMATE.start_main_~y~4) (<= ULTIMATE.start_main_~x~4 4) (<= 4 ULTIMATE.start_main_~x~4)), 25133#(and (<= ULTIMATE.start_main_~x~4 5) (<= 5 ULTIMATE.start_main_~y~4) (<= 5 ULTIMATE.start_main_~x~4)), 25134#(and (<= ULTIMATE.start_main_~x~4 5) (<= 6 ULTIMATE.start_main_~y~4) (<= 5 ULTIMATE.start_main_~x~4)), 25135#(and (<= 6 ULTIMATE.start_main_~x~4) (<= 6 ULTIMATE.start_main_~y~4) (<= ULTIMATE.start_main_~x~4 6)), 25136#(and (<= 6 ULTIMATE.start_main_~x~4) (<= 7 ULTIMATE.start_main_~y~4) (<= ULTIMATE.start_main_~x~4 6)), 25137#(and (<= ULTIMATE.start_main_~x~4 7) (<= 7 ULTIMATE.start_main_~y~4) (<= 7 ULTIMATE.start_main_~x~4)), 25138#(and (<= ULTIMATE.start_main_~x~4 7) (<= 7 ULTIMATE.start_main_~x~4) (<= 8 ULTIMATE.start_main_~y~4)), 25139#(and (<= ULTIMATE.start_main_~x~4 8) (<= 8 ULTIMATE.start_main_~y~4) (<= 8 ULTIMATE.start_main_~x~4)), 25140#(and (<= ULTIMATE.start_main_~x~4 8) (<= 8 ULTIMATE.start_main_~x~4) (<= 9 ULTIMATE.start_main_~y~4)), 25141#(and (<= 9 ULTIMATE.start_main_~x~4) (<= ULTIMATE.start_main_~x~4 9) (<= 9 ULTIMATE.start_main_~y~4)), 25142#(and (<= 9 ULTIMATE.start_main_~x~4) (<= 10 ULTIMATE.start_main_~y~4) (<= ULTIMATE.start_main_~x~4 9)), 25143#(and (<= ULTIMATE.start_main_~x~4 10) (<= 10 ULTIMATE.start_main_~y~4) (<= 10 ULTIMATE.start_main_~x~4)), 25144#(and (<= ULTIMATE.start_main_~x~4 10) (<= 11 ULTIMATE.start_main_~y~4) (<= 10 ULTIMATE.start_main_~x~4)), 25145#(and (<= ULTIMATE.start_main_~x~4 11) (<= 11 ULTIMATE.start_main_~x~4) (<= 11 ULTIMATE.start_main_~y~4)), 25146#(and (<= ULTIMATE.start_main_~x~4 11) (<= 11 ULTIMATE.start_main_~x~4) (<= 12 ULTIMATE.start_main_~y~4)), 25147#(and (<= 12 ULTIMATE.start_main_~x~4) (<= 12 ULTIMATE.start_main_~y~4) (<= ULTIMATE.start_main_~x~4 12)), 25148#(and (<= 12 ULTIMATE.start_main_~x~4) (<= 13 ULTIMATE.start_main_~y~4) (<= ULTIMATE.start_main_~x~4 12)), 25149#(and (<= 13 ULTIMATE.start_main_~y~4) (<= ULTIMATE.start_main_~x~4 13) (<= 13 ULTIMATE.start_main_~x~4)), 25150#(and (<= 14 ULTIMATE.start_main_~y~4) (<= ULTIMATE.start_main_~x~4 13) (<= 13 ULTIMATE.start_main_~x~4)), 25151#(and (<= 14 ULTIMATE.start_main_~y~4) (<= 14 ULTIMATE.start_main_~x~4) (<= ULTIMATE.start_main_~x~4 14)), 25152#(and (<= 14 ULTIMATE.start_main_~x~4) (<= ULTIMATE.start_main_~x~4 14) (<= 15 ULTIMATE.start_main_~y~4)), 25153#(and (<= 15 ULTIMATE.start_main_~x~4) (<= 15 ULTIMATE.start_main_~y~4) (<= ULTIMATE.start_main_~x~4 15)), 25154#(and (<= 15 ULTIMATE.start_main_~x~4) (<= 16 ULTIMATE.start_main_~y~4) (<= ULTIMATE.start_main_~x~4 15)), 25155#(and (<= ULTIMATE.start_main_~x~4 16) (<= 16 ULTIMATE.start_main_~x~4) (<= 16 ULTIMATE.start_main_~y~4)), 25156#(and (<= ULTIMATE.start_main_~x~4 16) (<= 16 ULTIMATE.start_main_~x~4) (<= 17 ULTIMATE.start_main_~y~4)), 25157#(and (<= ULTIMATE.start_main_~x~4 17) (<= 17 ULTIMATE.start_main_~y~4) (<= 17 ULTIMATE.start_main_~x~4)), 25158#(and (<= 18 ULTIMATE.start_main_~y~4) (<= ULTIMATE.start_main_~x~4 17) (<= 17 ULTIMATE.start_main_~x~4)), 25159#(and (<= 18 ULTIMATE.start_main_~y~4) (<= 18 ULTIMATE.start_main_~x~4) (<= ULTIMATE.start_main_~x~4 18)), 25160#(and (<= 18 ULTIMATE.start_main_~x~4) (<= ULTIMATE.start_main_~x~4 18) (<= 19 ULTIMATE.start_main_~y~4)), 25161#(and (<= 19 ULTIMATE.start_main_~y~4) (<= 19 ULTIMATE.start_main_~x~4) (<= ULTIMATE.start_main_~x~4 19)), 25162#(and (<= 20 ULTIMATE.start_main_~y~4) (<= 19 ULTIMATE.start_main_~x~4) (<= ULTIMATE.start_main_~x~4 19)), 25163#(and (<= 20 ULTIMATE.start_main_~x~4) (<= 20 ULTIMATE.start_main_~y~4) (<= ULTIMATE.start_main_~x~4 20)), 25164#(and (<= 20 ULTIMATE.start_main_~x~4) (<= 21 ULTIMATE.start_main_~y~4) (<= ULTIMATE.start_main_~x~4 20)), 25165#(and (<= ULTIMATE.start_main_~x~4 21) (<= 21 ULTIMATE.start_main_~y~4) (<= 21 ULTIMATE.start_main_~x~4)), 25166#(and (<= ULTIMATE.start_main_~x~4 21) (<= 21 ULTIMATE.start_main_~x~4) (<= 22 ULTIMATE.start_main_~y~4)), 25167#(and (<= ULTIMATE.start_main_~x~4 22) (<= 22 ULTIMATE.start_main_~x~4) (<= 22 ULTIMATE.start_main_~y~4)), 25168#(and (<= 23 ULTIMATE.start_main_~y~4) (<= ULTIMATE.start_main_~x~4 22) (<= 22 ULTIMATE.start_main_~x~4)), 25169#(and (<= ULTIMATE.start_main_~x~4 23) (<= 23 ULTIMATE.start_main_~x~4) (<= 23 ULTIMATE.start_main_~y~4)), 25170#(and (<= ULTIMATE.start_main_~x~4 23) (<= 23 ULTIMATE.start_main_~x~4) (<= 24 ULTIMATE.start_main_~y~4)), 25171#(and (<= 24 ULTIMATE.start_main_~y~4) (<= ULTIMATE.start_main_~x~4 24) (<= 24 ULTIMATE.start_main_~x~4)), 25172#(and (<= 25 ULTIMATE.start_main_~y~4) (<= ULTIMATE.start_main_~x~4 24) (<= 24 ULTIMATE.start_main_~x~4)), 25173#(and (<= 25 ULTIMATE.start_main_~y~4) (<= ULTIMATE.start_main_~x~4 25) (<= 25 ULTIMATE.start_main_~x~4)), 25174#(and (<= ULTIMATE.start_main_~x~4 25) (<= 26 ULTIMATE.start_main_~y~4) (<= 25 ULTIMATE.start_main_~x~4)), 25175#(and (<= ULTIMATE.start_main_~x~4 26) (<= 26 ULTIMATE.start_main_~y~4) (<= 26 ULTIMATE.start_main_~x~4)), 25176#(and (<= ULTIMATE.start_main_~x~4 26) (<= 27 ULTIMATE.start_main_~y~4) (<= 26 ULTIMATE.start_main_~x~4)), 25177#(and (<= ULTIMATE.start_main_~x~4 27) (<= 27 ULTIMATE.start_main_~y~4) (<= 27 ULTIMATE.start_main_~x~4)), 25178#(and (<= ULTIMATE.start_main_~x~4 27) (<= 27 ULTIMATE.start_main_~x~4) (<= 28 ULTIMATE.start_main_~y~4)), 25179#(and (<= ULTIMATE.start_main_~x~4 28) (<= 28 ULTIMATE.start_main_~y~4) (<= 28 ULTIMATE.start_main_~x~4)), 25180#(and (<= ULTIMATE.start_main_~x~4 28) (<= 29 ULTIMATE.start_main_~y~4) (<= 28 ULTIMATE.start_main_~x~4)), 25181#(and (<= 29 ULTIMATE.start_main_~x~4) (<= 29 ULTIMATE.start_main_~y~4) (<= ULTIMATE.start_main_~x~4 29)), 25182#(and (<= 29 ULTIMATE.start_main_~x~4) (<= 30 ULTIMATE.start_main_~y~4) (<= ULTIMATE.start_main_~x~4 29)), 25183#(and (<= ULTIMATE.start_main_~x~4 30) (<= 30 ULTIMATE.start_main_~y~4) (<= 30 ULTIMATE.start_main_~x~4)), 25184#(and (<= ULTIMATE.start_main_~x~4 30) (<= 31 ULTIMATE.start_main_~y~4) (<= 30 ULTIMATE.start_main_~x~4)), 25185#(and (<= ULTIMATE.start_main_~x~4 31) (<= 31 ULTIMATE.start_main_~y~4) (<= 31 ULTIMATE.start_main_~x~4)), 25186#(and (<= ULTIMATE.start_main_~x~4 31) (<= 32 ULTIMATE.start_main_~y~4) (<= 31 ULTIMATE.start_main_~x~4)), 25187#(and (<= ULTIMATE.start_main_~x~4 32) (<= 32 ULTIMATE.start_main_~y~4) (<= 32 ULTIMATE.start_main_~x~4)), 25188#(and (<= ULTIMATE.start_main_~x~4 32) (<= 33 ULTIMATE.start_main_~y~4) (<= 32 ULTIMATE.start_main_~x~4)), 25189#(and (<= ULTIMATE.start_main_~x~4 33) (<= 33 ULTIMATE.start_main_~y~4) (<= 33 ULTIMATE.start_main_~x~4)), 25190#(and (<= ULTIMATE.start_main_~x~4 33) (<= 33 ULTIMATE.start_main_~x~4) (<= 34 ULTIMATE.start_main_~y~4)), 25191#(and (<= 34 ULTIMATE.start_main_~x~4) (<= ULTIMATE.start_main_~x~4 34) (<= 34 ULTIMATE.start_main_~y~4)), 25192#(and (<= 34 ULTIMATE.start_main_~x~4) (<= ULTIMATE.start_main_~x~4 34) (<= 35 ULTIMATE.start_main_~y~4)), 25193#(and (<= ULTIMATE.start_main_~x~4 35) (<= 35 ULTIMATE.start_main_~y~4) (<= 35 ULTIMATE.start_main_~x~4)), 25194#(and (<= ULTIMATE.start_main_~x~4 35) (<= 35 ULTIMATE.start_main_~x~4) (<= 36 ULTIMATE.start_main_~y~4)), 25195#(and (<= 36 ULTIMATE.start_main_~x~4) (<= ULTIMATE.start_main_~x~4 36) (<= 36 ULTIMATE.start_main_~y~4)), 25196#(and (<= 36 ULTIMATE.start_main_~x~4) (<= 37 ULTIMATE.start_main_~y~4) (<= ULTIMATE.start_main_~x~4 36)), 25197#(and (<= 37 ULTIMATE.start_main_~y~4) (<= ULTIMATE.start_main_~x~4 37) (<= 37 ULTIMATE.start_main_~x~4)), 25198#(and (<= ULTIMATE.start_main_~x~4 37) (<= 38 ULTIMATE.start_main_~y~4) (<= 37 ULTIMATE.start_main_~x~4)), 25199#(and (<= 38 ULTIMATE.start_main_~x~4) (<= ULTIMATE.start_main_~x~4 38) (<= 38 ULTIMATE.start_main_~y~4)), 25200#(and (<= 38 ULTIMATE.start_main_~x~4) (<= 39 ULTIMATE.start_main_~y~4) (<= ULTIMATE.start_main_~x~4 38)), 25201#(and (<= 39 ULTIMATE.start_main_~y~4) (<= ULTIMATE.start_main_~x~4 39) (<= 39 ULTIMATE.start_main_~x~4)), 25202#(and (<= ULTIMATE.start_main_~x~4 39) (<= 39 ULTIMATE.start_main_~x~4) (<= 40 ULTIMATE.start_main_~y~4)), 25203#(and (<= ULTIMATE.start_main_~x~4 40) (<= 40 ULTIMATE.start_main_~x~4) (<= 40 ULTIMATE.start_main_~y~4)), 25204#(and (<= ULTIMATE.start_main_~x~4 40) (<= 40 ULTIMATE.start_main_~x~4) (<= 41 ULTIMATE.start_main_~y~4)), 25205#(and (<= ULTIMATE.start_main_~x~4 41) (<= 41 ULTIMATE.start_main_~x~4) (<= 41 ULTIMATE.start_main_~y~4)), 25206#(and (<= ULTIMATE.start_main_~x~4 41) (<= 41 ULTIMATE.start_main_~x~4) (<= 42 ULTIMATE.start_main_~y~4)), 25207#(and (<= 42 ULTIMATE.start_main_~y~4) (<= ULTIMATE.start_main_~x~4 42) (<= 42 ULTIMATE.start_main_~x~4)), 25208#(and (<= 43 ULTIMATE.start_main_~y~4) (<= ULTIMATE.start_main_~x~4 42) (<= 42 ULTIMATE.start_main_~x~4)), 25209#(and (<= 43 ULTIMATE.start_main_~y~4) (<= ULTIMATE.start_main_~x~4 43) (<= 43 ULTIMATE.start_main_~x~4)), 25210#(and (<= ULTIMATE.start_main_~x~4 43) (<= 44 ULTIMATE.start_main_~y~4) (<= 43 ULTIMATE.start_main_~x~4)), 25211#(and (<= 44 ULTIMATE.start_main_~x~4) (<= ULTIMATE.start_main_~x~4 44) (<= 44 ULTIMATE.start_main_~y~4)), 25212#(and (<= 44 ULTIMATE.start_main_~x~4) (<= ULTIMATE.start_main_~x~4 44) (<= 45 ULTIMATE.start_main_~y~4)), 25213#(and (<= 45 ULTIMATE.start_main_~y~4) (<= 45 ULTIMATE.start_main_~x~4) (<= ULTIMATE.start_main_~x~4 45)), 25214#(and (<= 46 ULTIMATE.start_main_~y~4) (<= 45 ULTIMATE.start_main_~x~4) (<= ULTIMATE.start_main_~x~4 45)), 25215#(and (<= ULTIMATE.start_main_~x~4 46) (<= 46 ULTIMATE.start_main_~x~4) (<= 46 ULTIMATE.start_main_~y~4)), 25216#(and (<= ULTIMATE.start_main_~x~4 46) (<= 47 ULTIMATE.start_main_~y~4) (<= 46 ULTIMATE.start_main_~x~4)), 25217#(and (<= 47 ULTIMATE.start_main_~y~4) (<= 47 ULTIMATE.start_main_~x~4) (<= ULTIMATE.start_main_~x~4 47)), 25218#(and (<= 48 ULTIMATE.start_main_~y~4) (<= 47 ULTIMATE.start_main_~x~4) (<= ULTIMATE.start_main_~x~4 47)), 25219#(and (<= 48 ULTIMATE.start_main_~x~4) (<= 48 ULTIMATE.start_main_~y~4) (<= ULTIMATE.start_main_~x~4 48)), 25220#(and (<= 48 ULTIMATE.start_main_~x~4) (<= 49 ULTIMATE.start_main_~y~4) (<= ULTIMATE.start_main_~x~4 48)), 25221#(and (<= 49 ULTIMATE.start_main_~x~4) (<= 49 ULTIMATE.start_main_~y~4) (<= ULTIMATE.start_main_~x~4 49)), 25222#(and (<= 49 ULTIMATE.start_main_~x~4) (<= 50 ULTIMATE.start_main_~y~4)), 25223#(and (<= 50 ULTIMATE.start_main_~x~4) (<= 50 ULTIMATE.start_main_~y~4)), 25224#(and (<= 50 ULTIMATE.start_main_~x~4) (<= 49 ULTIMATE.start_main_~y~4)), 25225#(and (<= 51 ULTIMATE.start_main_~x~4) (<= 49 ULTIMATE.start_main_~y~4)), 25226#(and (<= 51 ULTIMATE.start_main_~x~4) (<= 48 ULTIMATE.start_main_~y~4)), 25227#(and (<= 52 ULTIMATE.start_main_~x~4) (<= 48 ULTIMATE.start_main_~y~4)), 25228#(and (<= 52 ULTIMATE.start_main_~x~4) (<= 47 ULTIMATE.start_main_~y~4)), 25229#(and (<= 47 ULTIMATE.start_main_~y~4) (<= 53 ULTIMATE.start_main_~x~4)), 25230#(and (<= 53 ULTIMATE.start_main_~x~4) (<= 46 ULTIMATE.start_main_~y~4)), 25231#(and (<= 54 ULTIMATE.start_main_~x~4) (<= 46 ULTIMATE.start_main_~y~4)), 25232#(and (<= 45 ULTIMATE.start_main_~y~4) (<= 54 ULTIMATE.start_main_~x~4)), 25233#(and (<= 45 ULTIMATE.start_main_~y~4) (<= 55 ULTIMATE.start_main_~x~4)), 25234#(and (<= 55 ULTIMATE.start_main_~x~4) (<= 44 ULTIMATE.start_main_~y~4)), 25235#(and (<= 56 ULTIMATE.start_main_~x~4) (<= 44 ULTIMATE.start_main_~y~4)), 25236#(and (<= 56 ULTIMATE.start_main_~x~4) (<= 43 ULTIMATE.start_main_~y~4)), 25237#(and (<= 43 ULTIMATE.start_main_~y~4) (<= 57 ULTIMATE.start_main_~x~4)), 25238#(and (<= 42 ULTIMATE.start_main_~y~4) (<= 57 ULTIMATE.start_main_~x~4)), 25239#(and (<= 58 ULTIMATE.start_main_~x~4) (<= 42 ULTIMATE.start_main_~y~4)), 25240#(and (<= 58 ULTIMATE.start_main_~x~4) (<= 41 ULTIMATE.start_main_~y~4)), 25241#(and (<= 41 ULTIMATE.start_main_~y~4) (<= 59 ULTIMATE.start_main_~x~4)), 25242#(and (<= 40 ULTIMATE.start_main_~y~4) (<= 59 ULTIMATE.start_main_~x~4)), 25243#(and (<= 60 ULTIMATE.start_main_~x~4) (<= 40 ULTIMATE.start_main_~y~4)), 25244#(and (<= 39 ULTIMATE.start_main_~y~4) (<= 60 ULTIMATE.start_main_~x~4)), 25245#(and (<= 61 ULTIMATE.start_main_~x~4) (<= 39 ULTIMATE.start_main_~y~4)), 25246#(and (<= 61 ULTIMATE.start_main_~x~4) (<= 38 ULTIMATE.start_main_~y~4)), 25247#(and (<= 38 ULTIMATE.start_main_~y~4) (<= 62 ULTIMATE.start_main_~x~4)), 25248#(and (<= 37 ULTIMATE.start_main_~y~4) (<= 62 ULTIMATE.start_main_~x~4)), 25249#(and (<= 63 ULTIMATE.start_main_~x~4) (<= 37 ULTIMATE.start_main_~y~4)), 25250#(and (<= 63 ULTIMATE.start_main_~x~4) (<= 36 ULTIMATE.start_main_~y~4)), 25251#(and (<= 64 ULTIMATE.start_main_~x~4) (<= 36 ULTIMATE.start_main_~y~4)), 25252#(and (<= 35 ULTIMATE.start_main_~y~4) (<= 64 ULTIMATE.start_main_~x~4)), 25253#(and (<= 35 ULTIMATE.start_main_~y~4) (<= 65 ULTIMATE.start_main_~x~4)), 25254#(<= 34 ULTIMATE.start_main_~y~4), 25255#(<= 1 ULTIMATE.start_main_~y~4)] [2018-07-23 13:41:32,045 INFO L134 CoverageAnalysis]: Checked inductivity of 4422 backedges. 0 proven. 4422 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2018-07-23 13:41:32,045 INFO L450 AbstractCegarLoop]: Interpolant automaton has 135 states [2018-07-23 13:41:32,045 INFO L132 InterpolantAutomaton]: Constructing interpolant automaton starting with 135 interpolants. [2018-07-23 13:41:32,047 INFO L133 InterpolantAutomaton]: CoverageRelationStatistics Valid=542, Invalid=17548, Unknown=0, NotChecked=0, Total=18090 [2018-07-23 13:41:32,047 INFO L87 Difference]: Start difference. First operand 137 states and 137 transitions. Second operand 135 states. [2018-07-23 13:41:32,899 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2018-07-23 13:41:32,899 INFO L93 Difference]: Finished difference Result 142 states and 142 transitions. [2018-07-23 13:41:32,900 INFO L142 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 135 states. [2018-07-23 13:41:32,900 INFO L78 Accepts]: Start accepts. Automaton has 135 states. Word has length 136 [2018-07-23 13:41:32,900 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2018-07-23 13:41:32,901 INFO L225 Difference]: With dead ends: 142 [2018-07-23 13:41:32,901 INFO L226 Difference]: Without dead ends: 140 [2018-07-23 13:41:32,902 INFO L575 BasicCegarLoop]: 0 DeclaredPredicates, 136 GetRequests, 1 SyntacticMatches, 1 SemanticMatches, 134 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 4819 ImplicationChecksByTransitivity, 0.8s TimeCoverageRelationStatistics Valid=548, Invalid=17812, Unknown=0, NotChecked=0, Total=18360 [2018-07-23 13:41:32,902 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 140 states. [2018-07-23 13:41:32,912 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 140 to 139. [2018-07-23 13:41:32,912 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 139 states. [2018-07-23 13:41:32,912 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 139 states to 139 states and 139 transitions. [2018-07-23 13:41:32,912 INFO L78 Accepts]: Start accepts. Automaton has 139 states and 139 transitions. Word has length 136 [2018-07-23 13:41:32,913 INFO L84 Accepts]: Finished accepts. word is rejected. [2018-07-23 13:41:32,913 INFO L471 AbstractCegarLoop]: Abstraction has 139 states and 139 transitions. [2018-07-23 13:41:32,913 INFO L472 AbstractCegarLoop]: Interpolant automaton has 135 states. [2018-07-23 13:41:32,913 INFO L276 IsEmpty]: Start isEmpty. Operand 139 states and 139 transitions. [2018-07-23 13:41:32,914 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 139 [2018-07-23 13:41:32,914 INFO L349 BasicCegarLoop]: Found error trace [2018-07-23 13:41:32,914 INFO L357 BasicCegarLoop]: trace histogram [68, 67, 1, 1, 1] [2018-07-23 13:41:32,914 INFO L414 AbstractCegarLoop]: === Iteration 68 === [ULTIMATE.startErr0AssertViolationASSERT]=== [2018-07-23 13:41:32,914 INFO L82 PathProgramCache]: Analyzing trace with hash 221472426, now seen corresponding path program 67 times [2018-07-23 13:41:32,914 INFO L69 tionRefinementEngine]: Using refinement strategy FixedRefinementStrategy [2018-07-23 13:41:32,935 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-07-23 13:41:34,050 INFO L134 CoverageAnalysis]: Checked inductivity of 4556 backedges. 0 proven. 4556 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2018-07-23 13:41:34,050 INFO L309 seRefinementStrategy]: Constructing automaton from 0 perfect and 1 imperfect interpolant sequences. [2018-07-23 13:41:34,050 INFO L324 seRefinementStrategy]: Number of different interpolants: perfect sequences [] imperfect sequences [136] total 136 [2018-07-23 13:41:34,050 INFO L142 lantAutomatonBuilder]: Constructing canonical interpolant automaton, with selfloop in false state [2018-07-23 13:41:34,051 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2018-07-23 13:41:34,051 INFO L185 omatonBuilderFactory]: Interpolants [25856#(and (<= ULTIMATE.start_main_~x~4 17) (<= 17 ULTIMATE.start_main_~y~4) (<= 17 ULTIMATE.start_main_~x~4)), 25857#(and (<= 18 ULTIMATE.start_main_~y~4) (<= ULTIMATE.start_main_~x~4 17) (<= 17 ULTIMATE.start_main_~x~4)), 25858#(and (<= 18 ULTIMATE.start_main_~y~4) (<= 18 ULTIMATE.start_main_~x~4) (<= ULTIMATE.start_main_~x~4 18)), 25859#(and (<= 18 ULTIMATE.start_main_~x~4) (<= ULTIMATE.start_main_~x~4 18) (<= 19 ULTIMATE.start_main_~y~4)), 25860#(and (<= 19 ULTIMATE.start_main_~y~4) (<= 19 ULTIMATE.start_main_~x~4) (<= ULTIMATE.start_main_~x~4 19)), 25861#(and (<= 20 ULTIMATE.start_main_~y~4) (<= 19 ULTIMATE.start_main_~x~4) (<= ULTIMATE.start_main_~x~4 19)), 25862#(and (<= 20 ULTIMATE.start_main_~x~4) (<= 20 ULTIMATE.start_main_~y~4) (<= ULTIMATE.start_main_~x~4 20)), 25863#(and (<= 20 ULTIMATE.start_main_~x~4) (<= 21 ULTIMATE.start_main_~y~4) (<= ULTIMATE.start_main_~x~4 20)), 25864#(and (<= ULTIMATE.start_main_~x~4 21) (<= 21 ULTIMATE.start_main_~y~4) (<= 21 ULTIMATE.start_main_~x~4)), 25865#(and (<= ULTIMATE.start_main_~x~4 21) (<= 21 ULTIMATE.start_main_~x~4) (<= 22 ULTIMATE.start_main_~y~4)), 25866#(and (<= ULTIMATE.start_main_~x~4 22) (<= 22 ULTIMATE.start_main_~x~4) (<= 22 ULTIMATE.start_main_~y~4)), 25867#(and (<= 23 ULTIMATE.start_main_~y~4) (<= ULTIMATE.start_main_~x~4 22) (<= 22 ULTIMATE.start_main_~x~4)), 25868#(and (<= ULTIMATE.start_main_~x~4 23) (<= 23 ULTIMATE.start_main_~x~4) (<= 23 ULTIMATE.start_main_~y~4)), 25869#(and (<= ULTIMATE.start_main_~x~4 23) (<= 23 ULTIMATE.start_main_~x~4) (<= 24 ULTIMATE.start_main_~y~4)), 25870#(and (<= 24 ULTIMATE.start_main_~y~4) (<= ULTIMATE.start_main_~x~4 24) (<= 24 ULTIMATE.start_main_~x~4)), 25871#(and (<= 25 ULTIMATE.start_main_~y~4) (<= ULTIMATE.start_main_~x~4 24) (<= 24 ULTIMATE.start_main_~x~4)), 25872#(and (<= 25 ULTIMATE.start_main_~y~4) (<= ULTIMATE.start_main_~x~4 25) (<= 25 ULTIMATE.start_main_~x~4)), 25873#(and (<= ULTIMATE.start_main_~x~4 25) (<= 26 ULTIMATE.start_main_~y~4) (<= 25 ULTIMATE.start_main_~x~4)), 25874#(and (<= ULTIMATE.start_main_~x~4 26) (<= 26 ULTIMATE.start_main_~y~4) (<= 26 ULTIMATE.start_main_~x~4)), 25875#(and (<= ULTIMATE.start_main_~x~4 26) (<= 27 ULTIMATE.start_main_~y~4) (<= 26 ULTIMATE.start_main_~x~4)), 25876#(and (<= ULTIMATE.start_main_~x~4 27) (<= 27 ULTIMATE.start_main_~y~4) (<= 27 ULTIMATE.start_main_~x~4)), 25877#(and (<= ULTIMATE.start_main_~x~4 27) (<= 27 ULTIMATE.start_main_~x~4) (<= 28 ULTIMATE.start_main_~y~4)), 25878#(and (<= ULTIMATE.start_main_~x~4 28) (<= 28 ULTIMATE.start_main_~y~4) (<= 28 ULTIMATE.start_main_~x~4)), 25879#(and (<= ULTIMATE.start_main_~x~4 28) (<= 29 ULTIMATE.start_main_~y~4) (<= 28 ULTIMATE.start_main_~x~4)), 25880#(and (<= 29 ULTIMATE.start_main_~x~4) (<= 29 ULTIMATE.start_main_~y~4) (<= ULTIMATE.start_main_~x~4 29)), 25881#(and (<= 29 ULTIMATE.start_main_~x~4) (<= 30 ULTIMATE.start_main_~y~4) (<= ULTIMATE.start_main_~x~4 29)), 25882#(and (<= ULTIMATE.start_main_~x~4 30) (<= 30 ULTIMATE.start_main_~y~4) (<= 30 ULTIMATE.start_main_~x~4)), 25883#(and (<= ULTIMATE.start_main_~x~4 30) (<= 31 ULTIMATE.start_main_~y~4) (<= 30 ULTIMATE.start_main_~x~4)), 25884#(and (<= ULTIMATE.start_main_~x~4 31) (<= 31 ULTIMATE.start_main_~y~4) (<= 31 ULTIMATE.start_main_~x~4)), 25885#(and (<= ULTIMATE.start_main_~x~4 31) (<= 32 ULTIMATE.start_main_~y~4) (<= 31 ULTIMATE.start_main_~x~4)), 25886#(and (<= ULTIMATE.start_main_~x~4 32) (<= 32 ULTIMATE.start_main_~y~4) (<= 32 ULTIMATE.start_main_~x~4)), 25887#(and (<= ULTIMATE.start_main_~x~4 32) (<= 33 ULTIMATE.start_main_~y~4) (<= 32 ULTIMATE.start_main_~x~4)), 25888#(and (<= ULTIMATE.start_main_~x~4 33) (<= 33 ULTIMATE.start_main_~y~4) (<= 33 ULTIMATE.start_main_~x~4)), 25889#(and (<= ULTIMATE.start_main_~x~4 33) (<= 33 ULTIMATE.start_main_~x~4) (<= 34 ULTIMATE.start_main_~y~4)), 25890#(and (<= 34 ULTIMATE.start_main_~x~4) (<= ULTIMATE.start_main_~x~4 34) (<= 34 ULTIMATE.start_main_~y~4)), 25891#(and (<= 34 ULTIMATE.start_main_~x~4) (<= ULTIMATE.start_main_~x~4 34) (<= 35 ULTIMATE.start_main_~y~4)), 25892#(and (<= ULTIMATE.start_main_~x~4 35) (<= 35 ULTIMATE.start_main_~y~4) (<= 35 ULTIMATE.start_main_~x~4)), 25893#(and (<= ULTIMATE.start_main_~x~4 35) (<= 35 ULTIMATE.start_main_~x~4) (<= 36 ULTIMATE.start_main_~y~4)), 25894#(and (<= 36 ULTIMATE.start_main_~x~4) (<= ULTIMATE.start_main_~x~4 36) (<= 36 ULTIMATE.start_main_~y~4)), 25895#(and (<= 36 ULTIMATE.start_main_~x~4) (<= 37 ULTIMATE.start_main_~y~4) (<= ULTIMATE.start_main_~x~4 36)), 25896#(and (<= 37 ULTIMATE.start_main_~y~4) (<= ULTIMATE.start_main_~x~4 37) (<= 37 ULTIMATE.start_main_~x~4)), 25897#(and (<= ULTIMATE.start_main_~x~4 37) (<= 38 ULTIMATE.start_main_~y~4) (<= 37 ULTIMATE.start_main_~x~4)), 25898#(and (<= 38 ULTIMATE.start_main_~x~4) (<= ULTIMATE.start_main_~x~4 38) (<= 38 ULTIMATE.start_main_~y~4)), 25899#(and (<= 38 ULTIMATE.start_main_~x~4) (<= 39 ULTIMATE.start_main_~y~4) (<= ULTIMATE.start_main_~x~4 38)), 25900#(and (<= 39 ULTIMATE.start_main_~y~4) (<= ULTIMATE.start_main_~x~4 39) (<= 39 ULTIMATE.start_main_~x~4)), 25901#(and (<= ULTIMATE.start_main_~x~4 39) (<= 39 ULTIMATE.start_main_~x~4) (<= 40 ULTIMATE.start_main_~y~4)), 25902#(and (<= ULTIMATE.start_main_~x~4 40) (<= 40 ULTIMATE.start_main_~x~4) (<= 40 ULTIMATE.start_main_~y~4)), 25903#(and (<= ULTIMATE.start_main_~x~4 40) (<= 40 ULTIMATE.start_main_~x~4) (<= 41 ULTIMATE.start_main_~y~4)), 25904#(and (<= ULTIMATE.start_main_~x~4 41) (<= 41 ULTIMATE.start_main_~x~4) (<= 41 ULTIMATE.start_main_~y~4)), 25905#(and (<= ULTIMATE.start_main_~x~4 41) (<= 41 ULTIMATE.start_main_~x~4) (<= 42 ULTIMATE.start_main_~y~4)), 25906#(and (<= 42 ULTIMATE.start_main_~y~4) (<= ULTIMATE.start_main_~x~4 42) (<= 42 ULTIMATE.start_main_~x~4)), 25907#(and (<= 43 ULTIMATE.start_main_~y~4) (<= ULTIMATE.start_main_~x~4 42) (<= 42 ULTIMATE.start_main_~x~4)), 25908#(and (<= 43 ULTIMATE.start_main_~y~4) (<= ULTIMATE.start_main_~x~4 43) (<= 43 ULTIMATE.start_main_~x~4)), 25909#(and (<= ULTIMATE.start_main_~x~4 43) (<= 44 ULTIMATE.start_main_~y~4) (<= 43 ULTIMATE.start_main_~x~4)), 25910#(and (<= 44 ULTIMATE.start_main_~x~4) (<= ULTIMATE.start_main_~x~4 44) (<= 44 ULTIMATE.start_main_~y~4)), 25911#(and (<= 44 ULTIMATE.start_main_~x~4) (<= ULTIMATE.start_main_~x~4 44) (<= 45 ULTIMATE.start_main_~y~4)), 25912#(and (<= 45 ULTIMATE.start_main_~y~4) (<= 45 ULTIMATE.start_main_~x~4) (<= ULTIMATE.start_main_~x~4 45)), 25913#(and (<= 46 ULTIMATE.start_main_~y~4) (<= 45 ULTIMATE.start_main_~x~4) (<= ULTIMATE.start_main_~x~4 45)), 25914#(and (<= ULTIMATE.start_main_~x~4 46) (<= 46 ULTIMATE.start_main_~x~4) (<= 46 ULTIMATE.start_main_~y~4)), 25915#(and (<= ULTIMATE.start_main_~x~4 46) (<= 47 ULTIMATE.start_main_~y~4) (<= 46 ULTIMATE.start_main_~x~4)), 25916#(and (<= 47 ULTIMATE.start_main_~y~4) (<= 47 ULTIMATE.start_main_~x~4) (<= ULTIMATE.start_main_~x~4 47)), 25917#(and (<= 48 ULTIMATE.start_main_~y~4) (<= 47 ULTIMATE.start_main_~x~4) (<= ULTIMATE.start_main_~x~4 47)), 25918#(and (<= 48 ULTIMATE.start_main_~x~4) (<= 48 ULTIMATE.start_main_~y~4) (<= ULTIMATE.start_main_~x~4 48)), 25919#(and (<= 48 ULTIMATE.start_main_~x~4) (<= 49 ULTIMATE.start_main_~y~4) (<= ULTIMATE.start_main_~x~4 48)), 25920#(and (<= 49 ULTIMATE.start_main_~x~4) (<= 49 ULTIMATE.start_main_~y~4) (<= ULTIMATE.start_main_~x~4 49)), 25921#(and (<= 49 ULTIMATE.start_main_~x~4) (<= 50 ULTIMATE.start_main_~y~4)), 25922#(and (<= 50 ULTIMATE.start_main_~x~4) (<= 50 ULTIMATE.start_main_~y~4)), 25923#(and (<= 50 ULTIMATE.start_main_~x~4) (<= 49 ULTIMATE.start_main_~y~4)), 25924#(and (<= 51 ULTIMATE.start_main_~x~4) (<= 49 ULTIMATE.start_main_~y~4)), 25925#(and (<= 51 ULTIMATE.start_main_~x~4) (<= 48 ULTIMATE.start_main_~y~4)), 25926#(and (<= 52 ULTIMATE.start_main_~x~4) (<= 48 ULTIMATE.start_main_~y~4)), 25927#(and (<= 52 ULTIMATE.start_main_~x~4) (<= 47 ULTIMATE.start_main_~y~4)), 25928#(and (<= 47 ULTIMATE.start_main_~y~4) (<= 53 ULTIMATE.start_main_~x~4)), 25929#(and (<= 53 ULTIMATE.start_main_~x~4) (<= 46 ULTIMATE.start_main_~y~4)), 25930#(and (<= 54 ULTIMATE.start_main_~x~4) (<= 46 ULTIMATE.start_main_~y~4)), 25931#(and (<= 45 ULTIMATE.start_main_~y~4) (<= 54 ULTIMATE.start_main_~x~4)), 25932#(and (<= 45 ULTIMATE.start_main_~y~4) (<= 55 ULTIMATE.start_main_~x~4)), 25933#(and (<= 55 ULTIMATE.start_main_~x~4) (<= 44 ULTIMATE.start_main_~y~4)), 25934#(and (<= 56 ULTIMATE.start_main_~x~4) (<= 44 ULTIMATE.start_main_~y~4)), 25935#(and (<= 56 ULTIMATE.start_main_~x~4) (<= 43 ULTIMATE.start_main_~y~4)), 25936#(and (<= 43 ULTIMATE.start_main_~y~4) (<= 57 ULTIMATE.start_main_~x~4)), 25937#(and (<= 42 ULTIMATE.start_main_~y~4) (<= 57 ULTIMATE.start_main_~x~4)), 25938#(and (<= 58 ULTIMATE.start_main_~x~4) (<= 42 ULTIMATE.start_main_~y~4)), 25939#(and (<= 58 ULTIMATE.start_main_~x~4) (<= 41 ULTIMATE.start_main_~y~4)), 25940#(and (<= 41 ULTIMATE.start_main_~y~4) (<= 59 ULTIMATE.start_main_~x~4)), 25941#(and (<= 40 ULTIMATE.start_main_~y~4) (<= 59 ULTIMATE.start_main_~x~4)), 25942#(and (<= 60 ULTIMATE.start_main_~x~4) (<= 40 ULTIMATE.start_main_~y~4)), 25943#(and (<= 39 ULTIMATE.start_main_~y~4) (<= 60 ULTIMATE.start_main_~x~4)), 25944#(and (<= 61 ULTIMATE.start_main_~x~4) (<= 39 ULTIMATE.start_main_~y~4)), 25945#(and (<= 61 ULTIMATE.start_main_~x~4) (<= 38 ULTIMATE.start_main_~y~4)), 25946#(and (<= 38 ULTIMATE.start_main_~y~4) (<= 62 ULTIMATE.start_main_~x~4)), 25947#(and (<= 37 ULTIMATE.start_main_~y~4) (<= 62 ULTIMATE.start_main_~x~4)), 25948#(and (<= 63 ULTIMATE.start_main_~x~4) (<= 37 ULTIMATE.start_main_~y~4)), 25949#(and (<= 63 ULTIMATE.start_main_~x~4) (<= 36 ULTIMATE.start_main_~y~4)), 25950#(and (<= 64 ULTIMATE.start_main_~x~4) (<= 36 ULTIMATE.start_main_~y~4)), 25951#(and (<= 35 ULTIMATE.start_main_~y~4) (<= 64 ULTIMATE.start_main_~x~4)), 25952#(and (<= 35 ULTIMATE.start_main_~y~4) (<= 65 ULTIMATE.start_main_~x~4)), 25953#(and (<= 34 ULTIMATE.start_main_~y~4) (<= 65 ULTIMATE.start_main_~x~4)), 25954#(and (<= 66 ULTIMATE.start_main_~x~4) (<= 34 ULTIMATE.start_main_~y~4)), 25955#(<= 33 ULTIMATE.start_main_~y~4), 25956#(<= 1 ULTIMATE.start_main_~y~4), 25820#true, 25821#false, 25822#(and (<= 0 ULTIMATE.start_main_~y~4) (<= ULTIMATE.start_main_~x~4 0) (<= 0 ULTIMATE.start_main_~x~4)), 25823#(and (<= ULTIMATE.start_main_~x~4 0) (<= 0 ULTIMATE.start_main_~x~4) (<= 1 ULTIMATE.start_main_~y~4)), 25824#(and (<= ULTIMATE.start_main_~x~4 1) (<= 1 ULTIMATE.start_main_~y~4) (<= 1 ULTIMATE.start_main_~x~4)), 25825#(and (<= 2 ULTIMATE.start_main_~y~4) (<= ULTIMATE.start_main_~x~4 1) (<= 1 ULTIMATE.start_main_~x~4)), 25826#(and (<= 2 ULTIMATE.start_main_~y~4) (<= 2 ULTIMATE.start_main_~x~4) (<= ULTIMATE.start_main_~x~4 2)), 25827#(and (<= 3 ULTIMATE.start_main_~y~4) (<= 2 ULTIMATE.start_main_~x~4) (<= ULTIMATE.start_main_~x~4 2)), 25828#(and (<= 3 ULTIMATE.start_main_~x~4) (<= 3 ULTIMATE.start_main_~y~4) (<= ULTIMATE.start_main_~x~4 3)), 25829#(and (<= 3 ULTIMATE.start_main_~x~4) (<= 4 ULTIMATE.start_main_~y~4) (<= ULTIMATE.start_main_~x~4 3)), 25830#(and (<= 4 ULTIMATE.start_main_~y~4) (<= ULTIMATE.start_main_~x~4 4) (<= 4 ULTIMATE.start_main_~x~4)), 25831#(and (<= 5 ULTIMATE.start_main_~y~4) (<= ULTIMATE.start_main_~x~4 4) (<= 4 ULTIMATE.start_main_~x~4)), 25832#(and (<= ULTIMATE.start_main_~x~4 5) (<= 5 ULTIMATE.start_main_~y~4) (<= 5 ULTIMATE.start_main_~x~4)), 25833#(and (<= ULTIMATE.start_main_~x~4 5) (<= 6 ULTIMATE.start_main_~y~4) (<= 5 ULTIMATE.start_main_~x~4)), 25834#(and (<= 6 ULTIMATE.start_main_~x~4) (<= 6 ULTIMATE.start_main_~y~4) (<= ULTIMATE.start_main_~x~4 6)), 25835#(and (<= 6 ULTIMATE.start_main_~x~4) (<= 7 ULTIMATE.start_main_~y~4) (<= ULTIMATE.start_main_~x~4 6)), 25836#(and (<= ULTIMATE.start_main_~x~4 7) (<= 7 ULTIMATE.start_main_~y~4) (<= 7 ULTIMATE.start_main_~x~4)), 25837#(and (<= ULTIMATE.start_main_~x~4 7) (<= 7 ULTIMATE.start_main_~x~4) (<= 8 ULTIMATE.start_main_~y~4)), 25838#(and (<= ULTIMATE.start_main_~x~4 8) (<= 8 ULTIMATE.start_main_~y~4) (<= 8 ULTIMATE.start_main_~x~4)), 25839#(and (<= ULTIMATE.start_main_~x~4 8) (<= 8 ULTIMATE.start_main_~x~4) (<= 9 ULTIMATE.start_main_~y~4)), 25840#(and (<= 9 ULTIMATE.start_main_~x~4) (<= ULTIMATE.start_main_~x~4 9) (<= 9 ULTIMATE.start_main_~y~4)), 25841#(and (<= 9 ULTIMATE.start_main_~x~4) (<= 10 ULTIMATE.start_main_~y~4) (<= ULTIMATE.start_main_~x~4 9)), 25842#(and (<= ULTIMATE.start_main_~x~4 10) (<= 10 ULTIMATE.start_main_~y~4) (<= 10 ULTIMATE.start_main_~x~4)), 25843#(and (<= ULTIMATE.start_main_~x~4 10) (<= 11 ULTIMATE.start_main_~y~4) (<= 10 ULTIMATE.start_main_~x~4)), 25844#(and (<= ULTIMATE.start_main_~x~4 11) (<= 11 ULTIMATE.start_main_~x~4) (<= 11 ULTIMATE.start_main_~y~4)), 25845#(and (<= ULTIMATE.start_main_~x~4 11) (<= 11 ULTIMATE.start_main_~x~4) (<= 12 ULTIMATE.start_main_~y~4)), 25846#(and (<= 12 ULTIMATE.start_main_~x~4) (<= 12 ULTIMATE.start_main_~y~4) (<= ULTIMATE.start_main_~x~4 12)), 25847#(and (<= 12 ULTIMATE.start_main_~x~4) (<= 13 ULTIMATE.start_main_~y~4) (<= ULTIMATE.start_main_~x~4 12)), 25848#(and (<= 13 ULTIMATE.start_main_~y~4) (<= ULTIMATE.start_main_~x~4 13) (<= 13 ULTIMATE.start_main_~x~4)), 25849#(and (<= 14 ULTIMATE.start_main_~y~4) (<= ULTIMATE.start_main_~x~4 13) (<= 13 ULTIMATE.start_main_~x~4)), 25850#(and (<= 14 ULTIMATE.start_main_~y~4) (<= 14 ULTIMATE.start_main_~x~4) (<= ULTIMATE.start_main_~x~4 14)), 25851#(and (<= 14 ULTIMATE.start_main_~x~4) (<= ULTIMATE.start_main_~x~4 14) (<= 15 ULTIMATE.start_main_~y~4)), 25852#(and (<= 15 ULTIMATE.start_main_~x~4) (<= 15 ULTIMATE.start_main_~y~4) (<= ULTIMATE.start_main_~x~4 15)), 25853#(and (<= 15 ULTIMATE.start_main_~x~4) (<= 16 ULTIMATE.start_main_~y~4) (<= ULTIMATE.start_main_~x~4 15)), 25854#(and (<= ULTIMATE.start_main_~x~4 16) (<= 16 ULTIMATE.start_main_~x~4) (<= 16 ULTIMATE.start_main_~y~4)), 25855#(and (<= ULTIMATE.start_main_~x~4 16) (<= 16 ULTIMATE.start_main_~x~4) (<= 17 ULTIMATE.start_main_~y~4))] [2018-07-23 13:41:34,052 INFO L134 CoverageAnalysis]: Checked inductivity of 4556 backedges. 0 proven. 4556 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2018-07-23 13:41:34,052 INFO L450 AbstractCegarLoop]: Interpolant automaton has 137 states [2018-07-23 13:41:34,052 INFO L132 InterpolantAutomaton]: Constructing interpolant automaton starting with 137 interpolants. [2018-07-23 13:41:34,053 INFO L133 InterpolantAutomaton]: CoverageRelationStatistics Valid=554, Invalid=18078, Unknown=0, NotChecked=0, Total=18632 [2018-07-23 13:41:34,053 INFO L87 Difference]: Start difference. First operand 139 states and 139 transitions. Second operand 137 states. [2018-07-23 13:41:34,948 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2018-07-23 13:41:34,948 INFO L93 Difference]: Finished difference Result 144 states and 144 transitions. [2018-07-23 13:41:34,948 INFO L142 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 137 states. [2018-07-23 13:41:34,948 INFO L78 Accepts]: Start accepts. Automaton has 137 states. Word has length 138 [2018-07-23 13:41:34,949 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2018-07-23 13:41:34,949 INFO L225 Difference]: With dead ends: 144 [2018-07-23 13:41:34,950 INFO L226 Difference]: Without dead ends: 142 [2018-07-23 13:41:34,950 INFO L575 BasicCegarLoop]: 0 DeclaredPredicates, 138 GetRequests, 1 SyntacticMatches, 1 SemanticMatches, 136 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 4989 ImplicationChecksByTransitivity, 0.9s TimeCoverageRelationStatistics Valid=560, Invalid=18346, Unknown=0, NotChecked=0, Total=18906 [2018-07-23 13:41:34,951 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 142 states. [2018-07-23 13:41:34,963 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 142 to 141. [2018-07-23 13:41:34,963 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 141 states. [2018-07-23 13:41:34,964 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 141 states to 141 states and 141 transitions. [2018-07-23 13:41:34,964 INFO L78 Accepts]: Start accepts. Automaton has 141 states and 141 transitions. Word has length 138 [2018-07-23 13:41:34,964 INFO L84 Accepts]: Finished accepts. word is rejected. [2018-07-23 13:41:34,964 INFO L471 AbstractCegarLoop]: Abstraction has 141 states and 141 transitions. [2018-07-23 13:41:34,965 INFO L472 AbstractCegarLoop]: Interpolant automaton has 137 states. [2018-07-23 13:41:34,965 INFO L276 IsEmpty]: Start isEmpty. Operand 141 states and 141 transitions. [2018-07-23 13:41:34,965 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 141 [2018-07-23 13:41:34,965 INFO L349 BasicCegarLoop]: Found error trace [2018-07-23 13:41:34,966 INFO L357 BasicCegarLoop]: trace histogram [69, 68, 1, 1, 1] [2018-07-23 13:41:34,966 INFO L414 AbstractCegarLoop]: === Iteration 69 === [ULTIMATE.startErr0AssertViolationASSERT]=== [2018-07-23 13:41:34,966 INFO L82 PathProgramCache]: Analyzing trace with hash -1913299632, now seen corresponding path program 68 times [2018-07-23 13:41:34,966 INFO L69 tionRefinementEngine]: Using refinement strategy FixedRefinementStrategy [2018-07-23 13:41:34,987 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-07-23 13:41:35,824 INFO L134 CoverageAnalysis]: Checked inductivity of 4692 backedges. 0 proven. 4692 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2018-07-23 13:41:35,825 INFO L309 seRefinementStrategy]: Constructing automaton from 0 perfect and 1 imperfect interpolant sequences. [2018-07-23 13:41:35,825 INFO L324 seRefinementStrategy]: Number of different interpolants: perfect sequences [] imperfect sequences [138] total 138 [2018-07-23 13:41:35,825 INFO L142 lantAutomatonBuilder]: Constructing canonical interpolant automaton, with selfloop in false state [2018-07-23 13:41:35,825 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 13:41:35,826 INFO L185 omatonBuilderFactory]: Interpolants [26624#(and (<= ULTIMATE.start_main_~x~4 46) (<= 47 ULTIMATE.start_main_~y~4) (<= 46 ULTIMATE.start_main_~x~4)), 26625#(and (<= 47 ULTIMATE.start_main_~y~4) (<= 47 ULTIMATE.start_main_~x~4) (<= ULTIMATE.start_main_~x~4 47)), 26626#(and (<= 48 ULTIMATE.start_main_~y~4) (<= 47 ULTIMATE.start_main_~x~4) (<= ULTIMATE.start_main_~x~4 47)), 26627#(and (<= 48 ULTIMATE.start_main_~x~4) (<= 48 ULTIMATE.start_main_~y~4) (<= ULTIMATE.start_main_~x~4 48)), 26628#(and (<= 48 ULTIMATE.start_main_~x~4) (<= 49 ULTIMATE.start_main_~y~4) (<= ULTIMATE.start_main_~x~4 48)), 26629#(and (<= 49 ULTIMATE.start_main_~x~4) (<= 49 ULTIMATE.start_main_~y~4) (<= ULTIMATE.start_main_~x~4 49)), 26630#(and (<= 49 ULTIMATE.start_main_~x~4) (<= 50 ULTIMATE.start_main_~y~4)), 26631#(and (<= 50 ULTIMATE.start_main_~x~4) (<= 50 ULTIMATE.start_main_~y~4)), 26632#(and (<= 50 ULTIMATE.start_main_~x~4) (<= 49 ULTIMATE.start_main_~y~4)), 26633#(and (<= 51 ULTIMATE.start_main_~x~4) (<= 49 ULTIMATE.start_main_~y~4)), 26634#(and (<= 51 ULTIMATE.start_main_~x~4) (<= 48 ULTIMATE.start_main_~y~4)), 26635#(and (<= 52 ULTIMATE.start_main_~x~4) (<= 48 ULTIMATE.start_main_~y~4)), 26636#(and (<= 52 ULTIMATE.start_main_~x~4) (<= 47 ULTIMATE.start_main_~y~4)), 26637#(and (<= 47 ULTIMATE.start_main_~y~4) (<= 53 ULTIMATE.start_main_~x~4)), 26638#(and (<= 53 ULTIMATE.start_main_~x~4) (<= 46 ULTIMATE.start_main_~y~4)), 26639#(and (<= 54 ULTIMATE.start_main_~x~4) (<= 46 ULTIMATE.start_main_~y~4)), 26640#(and (<= 45 ULTIMATE.start_main_~y~4) (<= 54 ULTIMATE.start_main_~x~4)), 26641#(and (<= 45 ULTIMATE.start_main_~y~4) (<= 55 ULTIMATE.start_main_~x~4)), 26642#(and (<= 55 ULTIMATE.start_main_~x~4) (<= 44 ULTIMATE.start_main_~y~4)), 26643#(and (<= 56 ULTIMATE.start_main_~x~4) (<= 44 ULTIMATE.start_main_~y~4)), 26644#(and (<= 56 ULTIMATE.start_main_~x~4) (<= 43 ULTIMATE.start_main_~y~4)), 26645#(and (<= 43 ULTIMATE.start_main_~y~4) (<= 57 ULTIMATE.start_main_~x~4)), 26646#(and (<= 42 ULTIMATE.start_main_~y~4) (<= 57 ULTIMATE.start_main_~x~4)), 26647#(and (<= 58 ULTIMATE.start_main_~x~4) (<= 42 ULTIMATE.start_main_~y~4)), 26648#(and (<= 58 ULTIMATE.start_main_~x~4) (<= 41 ULTIMATE.start_main_~y~4)), 26649#(and (<= 41 ULTIMATE.start_main_~y~4) (<= 59 ULTIMATE.start_main_~x~4)), 26650#(and (<= 40 ULTIMATE.start_main_~y~4) (<= 59 ULTIMATE.start_main_~x~4)), 26651#(and (<= 60 ULTIMATE.start_main_~x~4) (<= 40 ULTIMATE.start_main_~y~4)), 26652#(and (<= 39 ULTIMATE.start_main_~y~4) (<= 60 ULTIMATE.start_main_~x~4)), 26653#(and (<= 61 ULTIMATE.start_main_~x~4) (<= 39 ULTIMATE.start_main_~y~4)), 26654#(and (<= 61 ULTIMATE.start_main_~x~4) (<= 38 ULTIMATE.start_main_~y~4)), 26655#(and (<= 38 ULTIMATE.start_main_~y~4) (<= 62 ULTIMATE.start_main_~x~4)), 26656#(and (<= 37 ULTIMATE.start_main_~y~4) (<= 62 ULTIMATE.start_main_~x~4)), 26657#(and (<= 63 ULTIMATE.start_main_~x~4) (<= 37 ULTIMATE.start_main_~y~4)), 26658#(and (<= 63 ULTIMATE.start_main_~x~4) (<= 36 ULTIMATE.start_main_~y~4)), 26659#(and (<= 64 ULTIMATE.start_main_~x~4) (<= 36 ULTIMATE.start_main_~y~4)), 26660#(and (<= 35 ULTIMATE.start_main_~y~4) (<= 64 ULTIMATE.start_main_~x~4)), 26661#(and (<= 35 ULTIMATE.start_main_~y~4) (<= 65 ULTIMATE.start_main_~x~4)), 26662#(and (<= 34 ULTIMATE.start_main_~y~4) (<= 65 ULTIMATE.start_main_~x~4)), 26663#(and (<= 66 ULTIMATE.start_main_~x~4) (<= 34 ULTIMATE.start_main_~y~4)), 26664#(and (<= 66 ULTIMATE.start_main_~x~4) (<= 33 ULTIMATE.start_main_~y~4)), 26665#(and (<= 67 ULTIMATE.start_main_~x~4) (<= 33 ULTIMATE.start_main_~y~4)), 26666#(<= 32 ULTIMATE.start_main_~y~4), 26667#(<= 1 ULTIMATE.start_main_~y~4), 26529#true, 26530#false, 26531#(and (<= 0 ULTIMATE.start_main_~y~4) (<= ULTIMATE.start_main_~x~4 0) (<= 0 ULTIMATE.start_main_~x~4)), 26532#(and (<= ULTIMATE.start_main_~x~4 0) (<= 0 ULTIMATE.start_main_~x~4) (<= 1 ULTIMATE.start_main_~y~4)), 26533#(and (<= ULTIMATE.start_main_~x~4 1) (<= 1 ULTIMATE.start_main_~y~4) (<= 1 ULTIMATE.start_main_~x~4)), 26534#(and (<= 2 ULTIMATE.start_main_~y~4) (<= ULTIMATE.start_main_~x~4 1) (<= 1 ULTIMATE.start_main_~x~4)), 26535#(and (<= 2 ULTIMATE.start_main_~y~4) (<= 2 ULTIMATE.start_main_~x~4) (<= ULTIMATE.start_main_~x~4 2)), 26536#(and (<= 3 ULTIMATE.start_main_~y~4) (<= 2 ULTIMATE.start_main_~x~4) (<= ULTIMATE.start_main_~x~4 2)), 26537#(and (<= 3 ULTIMATE.start_main_~x~4) (<= 3 ULTIMATE.start_main_~y~4) (<= ULTIMATE.start_main_~x~4 3)), 26538#(and (<= 3 ULTIMATE.start_main_~x~4) (<= 4 ULTIMATE.start_main_~y~4) (<= ULTIMATE.start_main_~x~4 3)), 26539#(and (<= 4 ULTIMATE.start_main_~y~4) (<= ULTIMATE.start_main_~x~4 4) (<= 4 ULTIMATE.start_main_~x~4)), 26540#(and (<= 5 ULTIMATE.start_main_~y~4) (<= ULTIMATE.start_main_~x~4 4) (<= 4 ULTIMATE.start_main_~x~4)), 26541#(and (<= ULTIMATE.start_main_~x~4 5) (<= 5 ULTIMATE.start_main_~y~4) (<= 5 ULTIMATE.start_main_~x~4)), 26542#(and (<= ULTIMATE.start_main_~x~4 5) (<= 6 ULTIMATE.start_main_~y~4) (<= 5 ULTIMATE.start_main_~x~4)), 26543#(and (<= 6 ULTIMATE.start_main_~x~4) (<= 6 ULTIMATE.start_main_~y~4) (<= ULTIMATE.start_main_~x~4 6)), 26544#(and (<= 6 ULTIMATE.start_main_~x~4) (<= 7 ULTIMATE.start_main_~y~4) (<= ULTIMATE.start_main_~x~4 6)), 26545#(and (<= ULTIMATE.start_main_~x~4 7) (<= 7 ULTIMATE.start_main_~y~4) (<= 7 ULTIMATE.start_main_~x~4)), 26546#(and (<= ULTIMATE.start_main_~x~4 7) (<= 7 ULTIMATE.start_main_~x~4) (<= 8 ULTIMATE.start_main_~y~4)), 26547#(and (<= ULTIMATE.start_main_~x~4 8) (<= 8 ULTIMATE.start_main_~y~4) (<= 8 ULTIMATE.start_main_~x~4)), 26548#(and (<= ULTIMATE.start_main_~x~4 8) (<= 8 ULTIMATE.start_main_~x~4) (<= 9 ULTIMATE.start_main_~y~4)), 26549#(and (<= 9 ULTIMATE.start_main_~x~4) (<= ULTIMATE.start_main_~x~4 9) (<= 9 ULTIMATE.start_main_~y~4)), 26550#(and (<= 9 ULTIMATE.start_main_~x~4) (<= 10 ULTIMATE.start_main_~y~4) (<= ULTIMATE.start_main_~x~4 9)), 26551#(and (<= ULTIMATE.start_main_~x~4 10) (<= 10 ULTIMATE.start_main_~y~4) (<= 10 ULTIMATE.start_main_~x~4)), 26552#(and (<= ULTIMATE.start_main_~x~4 10) (<= 11 ULTIMATE.start_main_~y~4) (<= 10 ULTIMATE.start_main_~x~4)), 26553#(and (<= ULTIMATE.start_main_~x~4 11) (<= 11 ULTIMATE.start_main_~x~4) (<= 11 ULTIMATE.start_main_~y~4)), 26554#(and (<= ULTIMATE.start_main_~x~4 11) (<= 11 ULTIMATE.start_main_~x~4) (<= 12 ULTIMATE.start_main_~y~4)), 26555#(and (<= 12 ULTIMATE.start_main_~x~4) (<= 12 ULTIMATE.start_main_~y~4) (<= ULTIMATE.start_main_~x~4 12)), 26556#(and (<= 12 ULTIMATE.start_main_~x~4) (<= 13 ULTIMATE.start_main_~y~4) (<= ULTIMATE.start_main_~x~4 12)), 26557#(and (<= 13 ULTIMATE.start_main_~y~4) (<= ULTIMATE.start_main_~x~4 13) (<= 13 ULTIMATE.start_main_~x~4)), 26558#(and (<= 14 ULTIMATE.start_main_~y~4) (<= ULTIMATE.start_main_~x~4 13) (<= 13 ULTIMATE.start_main_~x~4)), 26559#(and (<= 14 ULTIMATE.start_main_~y~4) (<= 14 ULTIMATE.start_main_~x~4) (<= ULTIMATE.start_main_~x~4 14)), 26560#(and (<= 14 ULTIMATE.start_main_~x~4) (<= ULTIMATE.start_main_~x~4 14) (<= 15 ULTIMATE.start_main_~y~4)), 26561#(and (<= 15 ULTIMATE.start_main_~x~4) (<= 15 ULTIMATE.start_main_~y~4) (<= ULTIMATE.start_main_~x~4 15)), 26562#(and (<= 15 ULTIMATE.start_main_~x~4) (<= 16 ULTIMATE.start_main_~y~4) (<= ULTIMATE.start_main_~x~4 15)), 26563#(and (<= ULTIMATE.start_main_~x~4 16) (<= 16 ULTIMATE.start_main_~x~4) (<= 16 ULTIMATE.start_main_~y~4)), 26564#(and (<= ULTIMATE.start_main_~x~4 16) (<= 16 ULTIMATE.start_main_~x~4) (<= 17 ULTIMATE.start_main_~y~4)), 26565#(and (<= ULTIMATE.start_main_~x~4 17) (<= 17 ULTIMATE.start_main_~y~4) (<= 17 ULTIMATE.start_main_~x~4)), 26566#(and (<= 18 ULTIMATE.start_main_~y~4) (<= ULTIMATE.start_main_~x~4 17) (<= 17 ULTIMATE.start_main_~x~4)), 26567#(and (<= 18 ULTIMATE.start_main_~y~4) (<= 18 ULTIMATE.start_main_~x~4) (<= ULTIMATE.start_main_~x~4 18)), 26568#(and (<= 18 ULTIMATE.start_main_~x~4) (<= ULTIMATE.start_main_~x~4 18) (<= 19 ULTIMATE.start_main_~y~4)), 26569#(and (<= 19 ULTIMATE.start_main_~y~4) (<= 19 ULTIMATE.start_main_~x~4) (<= ULTIMATE.start_main_~x~4 19)), 26570#(and (<= 20 ULTIMATE.start_main_~y~4) (<= 19 ULTIMATE.start_main_~x~4) (<= ULTIMATE.start_main_~x~4 19)), 26571#(and (<= 20 ULTIMATE.start_main_~x~4) (<= 20 ULTIMATE.start_main_~y~4) (<= ULTIMATE.start_main_~x~4 20)), 26572#(and (<= 20 ULTIMATE.start_main_~x~4) (<= 21 ULTIMATE.start_main_~y~4) (<= ULTIMATE.start_main_~x~4 20)), 26573#(and (<= ULTIMATE.start_main_~x~4 21) (<= 21 ULTIMATE.start_main_~y~4) (<= 21 ULTIMATE.start_main_~x~4)), 26574#(and (<= ULTIMATE.start_main_~x~4 21) (<= 21 ULTIMATE.start_main_~x~4) (<= 22 ULTIMATE.start_main_~y~4)), 26575#(and (<= ULTIMATE.start_main_~x~4 22) (<= 22 ULTIMATE.start_main_~x~4) (<= 22 ULTIMATE.start_main_~y~4)), 26576#(and (<= 23 ULTIMATE.start_main_~y~4) (<= ULTIMATE.start_main_~x~4 22) (<= 22 ULTIMATE.start_main_~x~4)), 26577#(and (<= ULTIMATE.start_main_~x~4 23) (<= 23 ULTIMATE.start_main_~x~4) (<= 23 ULTIMATE.start_main_~y~4)), 26578#(and (<= ULTIMATE.start_main_~x~4 23) (<= 23 ULTIMATE.start_main_~x~4) (<= 24 ULTIMATE.start_main_~y~4)), 26579#(and (<= 24 ULTIMATE.start_main_~y~4) (<= ULTIMATE.start_main_~x~4 24) (<= 24 ULTIMATE.start_main_~x~4)), 26580#(and (<= 25 ULTIMATE.start_main_~y~4) (<= ULTIMATE.start_main_~x~4 24) (<= 24 ULTIMATE.start_main_~x~4)), 26581#(and (<= 25 ULTIMATE.start_main_~y~4) (<= ULTIMATE.start_main_~x~4 25) (<= 25 ULTIMATE.start_main_~x~4)), 26582#(and (<= ULTIMATE.start_main_~x~4 25) (<= 26 ULTIMATE.start_main_~y~4) (<= 25 ULTIMATE.start_main_~x~4)), 26583#(and (<= ULTIMATE.start_main_~x~4 26) (<= 26 ULTIMATE.start_main_~y~4) (<= 26 ULTIMATE.start_main_~x~4)), 26584#(and (<= ULTIMATE.start_main_~x~4 26) (<= 27 ULTIMATE.start_main_~y~4) (<= 26 ULTIMATE.start_main_~x~4)), 26585#(and (<= ULTIMATE.start_main_~x~4 27) (<= 27 ULTIMATE.start_main_~y~4) (<= 27 ULTIMATE.start_main_~x~4)), 26586#(and (<= ULTIMATE.start_main_~x~4 27) (<= 27 ULTIMATE.start_main_~x~4) (<= 28 ULTIMATE.start_main_~y~4)), 26587#(and (<= ULTIMATE.start_main_~x~4 28) (<= 28 ULTIMATE.start_main_~y~4) (<= 28 ULTIMATE.start_main_~x~4)), 26588#(and (<= ULTIMATE.start_main_~x~4 28) (<= 29 ULTIMATE.start_main_~y~4) (<= 28 ULTIMATE.start_main_~x~4)), 26589#(and (<= 29 ULTIMATE.start_main_~x~4) (<= 29 ULTIMATE.start_main_~y~4) (<= ULTIMATE.start_main_~x~4 29)), 26590#(and (<= 29 ULTIMATE.start_main_~x~4) (<= 30 ULTIMATE.start_main_~y~4) (<= ULTIMATE.start_main_~x~4 29)), 26591#(and (<= ULTIMATE.start_main_~x~4 30) (<= 30 ULTIMATE.start_main_~y~4) (<= 30 ULTIMATE.start_main_~x~4)), 26592#(and (<= ULTIMATE.start_main_~x~4 30) (<= 31 ULTIMATE.start_main_~y~4) (<= 30 ULTIMATE.start_main_~x~4)), 26593#(and (<= ULTIMATE.start_main_~x~4 31) (<= 31 ULTIMATE.start_main_~y~4) (<= 31 ULTIMATE.start_main_~x~4)), 26594#(and (<= ULTIMATE.start_main_~x~4 31) (<= 32 ULTIMATE.start_main_~y~4) (<= 31 ULTIMATE.start_main_~x~4)), 26595#(and (<= ULTIMATE.start_main_~x~4 32) (<= 32 ULTIMATE.start_main_~y~4) (<= 32 ULTIMATE.start_main_~x~4)), 26596#(and (<= ULTIMATE.start_main_~x~4 32) (<= 33 ULTIMATE.start_main_~y~4) (<= 32 ULTIMATE.start_main_~x~4)), 26597#(and (<= ULTIMATE.start_main_~x~4 33) (<= 33 ULTIMATE.start_main_~y~4) (<= 33 ULTIMATE.start_main_~x~4)), 26598#(and (<= ULTIMATE.start_main_~x~4 33) (<= 33 ULTIMATE.start_main_~x~4) (<= 34 ULTIMATE.start_main_~y~4)), 26599#(and (<= 34 ULTIMATE.start_main_~x~4) (<= ULTIMATE.start_main_~x~4 34) (<= 34 ULTIMATE.start_main_~y~4)), 26600#(and (<= 34 ULTIMATE.start_main_~x~4) (<= ULTIMATE.start_main_~x~4 34) (<= 35 ULTIMATE.start_main_~y~4)), 26601#(and (<= ULTIMATE.start_main_~x~4 35) (<= 35 ULTIMATE.start_main_~y~4) (<= 35 ULTIMATE.start_main_~x~4)), 26602#(and (<= ULTIMATE.start_main_~x~4 35) (<= 35 ULTIMATE.start_main_~x~4) (<= 36 ULTIMATE.start_main_~y~4)), 26603#(and (<= 36 ULTIMATE.start_main_~x~4) (<= ULTIMATE.start_main_~x~4 36) (<= 36 ULTIMATE.start_main_~y~4)), 26604#(and (<= 36 ULTIMATE.start_main_~x~4) (<= 37 ULTIMATE.start_main_~y~4) (<= ULTIMATE.start_main_~x~4 36)), 26605#(and (<= 37 ULTIMATE.start_main_~y~4) (<= ULTIMATE.start_main_~x~4 37) (<= 37 ULTIMATE.start_main_~x~4)), 26606#(and (<= ULTIMATE.start_main_~x~4 37) (<= 38 ULTIMATE.start_main_~y~4) (<= 37 ULTIMATE.start_main_~x~4)), 26607#(and (<= 38 ULTIMATE.start_main_~x~4) (<= ULTIMATE.start_main_~x~4 38) (<= 38 ULTIMATE.start_main_~y~4)), 26608#(and (<= 38 ULTIMATE.start_main_~x~4) (<= 39 ULTIMATE.start_main_~y~4) (<= ULTIMATE.start_main_~x~4 38)), 26609#(and (<= 39 ULTIMATE.start_main_~y~4) (<= ULTIMATE.start_main_~x~4 39) (<= 39 ULTIMATE.start_main_~x~4)), 26610#(and (<= ULTIMATE.start_main_~x~4 39) (<= 39 ULTIMATE.start_main_~x~4) (<= 40 ULTIMATE.start_main_~y~4)), 26611#(and (<= ULTIMATE.start_main_~x~4 40) (<= 40 ULTIMATE.start_main_~x~4) (<= 40 ULTIMATE.start_main_~y~4)), 26612#(and (<= ULTIMATE.start_main_~x~4 40) (<= 40 ULTIMATE.start_main_~x~4) (<= 41 ULTIMATE.start_main_~y~4)), 26613#(and (<= ULTIMATE.start_main_~x~4 41) (<= 41 ULTIMATE.start_main_~x~4) (<= 41 ULTIMATE.start_main_~y~4)), 26614#(and (<= ULTIMATE.start_main_~x~4 41) (<= 41 ULTIMATE.start_main_~x~4) (<= 42 ULTIMATE.start_main_~y~4)), 26615#(and (<= 42 ULTIMATE.start_main_~y~4) (<= ULTIMATE.start_main_~x~4 42) (<= 42 ULTIMATE.start_main_~x~4)), 26616#(and (<= 43 ULTIMATE.start_main_~y~4) (<= ULTIMATE.start_main_~x~4 42) (<= 42 ULTIMATE.start_main_~x~4)), 26617#(and (<= 43 ULTIMATE.start_main_~y~4) (<= ULTIMATE.start_main_~x~4 43) (<= 43 ULTIMATE.start_main_~x~4)), 26618#(and (<= ULTIMATE.start_main_~x~4 43) (<= 44 ULTIMATE.start_main_~y~4) (<= 43 ULTIMATE.start_main_~x~4)), 26619#(and (<= 44 ULTIMATE.start_main_~x~4) (<= ULTIMATE.start_main_~x~4 44) (<= 44 ULTIMATE.start_main_~y~4)), 26620#(and (<= 44 ULTIMATE.start_main_~x~4) (<= ULTIMATE.start_main_~x~4 44) (<= 45 ULTIMATE.start_main_~y~4)), 26621#(and (<= 45 ULTIMATE.start_main_~y~4) (<= 45 ULTIMATE.start_main_~x~4) (<= ULTIMATE.start_main_~x~4 45)), 26622#(and (<= 46 ULTIMATE.start_main_~y~4) (<= 45 ULTIMATE.start_main_~x~4) (<= ULTIMATE.start_main_~x~4 45)), 26623#(and (<= ULTIMATE.start_main_~x~4 46) (<= 46 ULTIMATE.start_main_~x~4) (<= 46 ULTIMATE.start_main_~y~4))] [2018-07-23 13:41:35,826 INFO L134 CoverageAnalysis]: Checked inductivity of 4692 backedges. 0 proven. 4692 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2018-07-23 13:41:35,826 INFO L450 AbstractCegarLoop]: Interpolant automaton has 139 states [2018-07-23 13:41:35,827 INFO L132 InterpolantAutomaton]: Constructing interpolant automaton starting with 139 interpolants. [2018-07-23 13:41:35,828 INFO L133 InterpolantAutomaton]: CoverageRelationStatistics Valid=566, Invalid=18616, Unknown=0, NotChecked=0, Total=19182 [2018-07-23 13:41:35,828 INFO L87 Difference]: Start difference. First operand 141 states and 141 transitions. Second operand 139 states. [2018-07-23 13:41:36,512 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2018-07-23 13:41:36,512 INFO L93 Difference]: Finished difference Result 146 states and 146 transitions. [2018-07-23 13:41:36,512 INFO L142 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 139 states. [2018-07-23 13:41:36,512 INFO L78 Accepts]: Start accepts. Automaton has 139 states. Word has length 140 [2018-07-23 13:41:36,513 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2018-07-23 13:41:36,513 INFO L225 Difference]: With dead ends: 146 [2018-07-23 13:41:36,513 INFO L226 Difference]: Without dead ends: 144 [2018-07-23 13:41:36,515 INFO L575 BasicCegarLoop]: 0 DeclaredPredicates, 140 GetRequests, 1 SyntacticMatches, 1 SemanticMatches, 138 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 5163 ImplicationChecksByTransitivity, 0.6s TimeCoverageRelationStatistics Valid=572, Invalid=18888, Unknown=0, NotChecked=0, Total=19460 [2018-07-23 13:41:36,515 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 144 states. [2018-07-23 13:41:36,525 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 144 to 143. [2018-07-23 13:41:36,525 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 143 states. [2018-07-23 13:41:36,526 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 143 states to 143 states and 143 transitions. [2018-07-23 13:41:36,526 INFO L78 Accepts]: Start accepts. Automaton has 143 states and 143 transitions. Word has length 140 [2018-07-23 13:41:36,526 INFO L84 Accepts]: Finished accepts. word is rejected. [2018-07-23 13:41:36,526 INFO L471 AbstractCegarLoop]: Abstraction has 143 states and 143 transitions. [2018-07-23 13:41:36,526 INFO L472 AbstractCegarLoop]: Interpolant automaton has 139 states. [2018-07-23 13:41:36,526 INFO L276 IsEmpty]: Start isEmpty. Operand 143 states and 143 transitions. [2018-07-23 13:41:36,527 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 143 [2018-07-23 13:41:36,527 INFO L349 BasicCegarLoop]: Found error trace [2018-07-23 13:41:36,527 INFO L357 BasicCegarLoop]: trace histogram [70, 69, 1, 1, 1] [2018-07-23 13:41:36,528 INFO L414 AbstractCegarLoop]: === Iteration 70 === [ULTIMATE.startErr0AssertViolationASSERT]=== [2018-07-23 13:41:36,528 INFO L82 PathProgramCache]: Analyzing trace with hash -434879882, now seen corresponding path program 69 times [2018-07-23 13:41:36,528 INFO L69 tionRefinementEngine]: Using refinement strategy FixedRefinementStrategy [2018-07-23 13:41:36,545 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-07-23 13:41:37,695 INFO L134 CoverageAnalysis]: Checked inductivity of 4830 backedges. 0 proven. 4830 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2018-07-23 13:41:37,696 INFO L309 seRefinementStrategy]: Constructing automaton from 0 perfect and 1 imperfect interpolant sequences. [2018-07-23 13:41:37,696 INFO L324 seRefinementStrategy]: Number of different interpolants: perfect sequences [] imperfect sequences [140] total 140 [2018-07-23 13:41:37,696 INFO L142 lantAutomatonBuilder]: Constructing canonical interpolant automaton, with selfloop in false state [2018-07-23 13:41:37,696 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 13:41:37,697 INFO L185 omatonBuilderFactory]: Interpolants [27248#true, 27249#false, 27250#(and (<= 0 ULTIMATE.start_main_~y~4) (<= ULTIMATE.start_main_~x~4 0) (<= 0 ULTIMATE.start_main_~x~4)), 27251#(and (<= ULTIMATE.start_main_~x~4 0) (<= 0 ULTIMATE.start_main_~x~4) (<= 1 ULTIMATE.start_main_~y~4)), 27252#(and (<= ULTIMATE.start_main_~x~4 1) (<= 1 ULTIMATE.start_main_~y~4) (<= 1 ULTIMATE.start_main_~x~4)), 27253#(and (<= 2 ULTIMATE.start_main_~y~4) (<= ULTIMATE.start_main_~x~4 1) (<= 1 ULTIMATE.start_main_~x~4)), 27254#(and (<= 2 ULTIMATE.start_main_~y~4) (<= 2 ULTIMATE.start_main_~x~4) (<= ULTIMATE.start_main_~x~4 2)), 27255#(and (<= 3 ULTIMATE.start_main_~y~4) (<= 2 ULTIMATE.start_main_~x~4) (<= ULTIMATE.start_main_~x~4 2)), 27256#(and (<= 3 ULTIMATE.start_main_~x~4) (<= 3 ULTIMATE.start_main_~y~4) (<= ULTIMATE.start_main_~x~4 3)), 27257#(and (<= 3 ULTIMATE.start_main_~x~4) (<= 4 ULTIMATE.start_main_~y~4) (<= ULTIMATE.start_main_~x~4 3)), 27258#(and (<= 4 ULTIMATE.start_main_~y~4) (<= ULTIMATE.start_main_~x~4 4) (<= 4 ULTIMATE.start_main_~x~4)), 27259#(and (<= 5 ULTIMATE.start_main_~y~4) (<= ULTIMATE.start_main_~x~4 4) (<= 4 ULTIMATE.start_main_~x~4)), 27260#(and (<= ULTIMATE.start_main_~x~4 5) (<= 5 ULTIMATE.start_main_~y~4) (<= 5 ULTIMATE.start_main_~x~4)), 27261#(and (<= ULTIMATE.start_main_~x~4 5) (<= 6 ULTIMATE.start_main_~y~4) (<= 5 ULTIMATE.start_main_~x~4)), 27262#(and (<= 6 ULTIMATE.start_main_~x~4) (<= 6 ULTIMATE.start_main_~y~4) (<= ULTIMATE.start_main_~x~4 6)), 27263#(and (<= 6 ULTIMATE.start_main_~x~4) (<= 7 ULTIMATE.start_main_~y~4) (<= ULTIMATE.start_main_~x~4 6)), 27264#(and (<= ULTIMATE.start_main_~x~4 7) (<= 7 ULTIMATE.start_main_~y~4) (<= 7 ULTIMATE.start_main_~x~4)), 27265#(and (<= ULTIMATE.start_main_~x~4 7) (<= 7 ULTIMATE.start_main_~x~4) (<= 8 ULTIMATE.start_main_~y~4)), 27266#(and (<= ULTIMATE.start_main_~x~4 8) (<= 8 ULTIMATE.start_main_~y~4) (<= 8 ULTIMATE.start_main_~x~4)), 27267#(and (<= ULTIMATE.start_main_~x~4 8) (<= 8 ULTIMATE.start_main_~x~4) (<= 9 ULTIMATE.start_main_~y~4)), 27268#(and (<= 9 ULTIMATE.start_main_~x~4) (<= ULTIMATE.start_main_~x~4 9) (<= 9 ULTIMATE.start_main_~y~4)), 27269#(and (<= 9 ULTIMATE.start_main_~x~4) (<= 10 ULTIMATE.start_main_~y~4) (<= ULTIMATE.start_main_~x~4 9)), 27270#(and (<= ULTIMATE.start_main_~x~4 10) (<= 10 ULTIMATE.start_main_~y~4) (<= 10 ULTIMATE.start_main_~x~4)), 27271#(and (<= ULTIMATE.start_main_~x~4 10) (<= 11 ULTIMATE.start_main_~y~4) (<= 10 ULTIMATE.start_main_~x~4)), 27272#(and (<= ULTIMATE.start_main_~x~4 11) (<= 11 ULTIMATE.start_main_~x~4) (<= 11 ULTIMATE.start_main_~y~4)), 27273#(and (<= ULTIMATE.start_main_~x~4 11) (<= 11 ULTIMATE.start_main_~x~4) (<= 12 ULTIMATE.start_main_~y~4)), 27274#(and (<= 12 ULTIMATE.start_main_~x~4) (<= 12 ULTIMATE.start_main_~y~4) (<= ULTIMATE.start_main_~x~4 12)), 27275#(and (<= 12 ULTIMATE.start_main_~x~4) (<= 13 ULTIMATE.start_main_~y~4) (<= ULTIMATE.start_main_~x~4 12)), 27276#(and (<= 13 ULTIMATE.start_main_~y~4) (<= ULTIMATE.start_main_~x~4 13) (<= 13 ULTIMATE.start_main_~x~4)), 27277#(and (<= 14 ULTIMATE.start_main_~y~4) (<= ULTIMATE.start_main_~x~4 13) (<= 13 ULTIMATE.start_main_~x~4)), 27278#(and (<= 14 ULTIMATE.start_main_~y~4) (<= 14 ULTIMATE.start_main_~x~4) (<= ULTIMATE.start_main_~x~4 14)), 27279#(and (<= 14 ULTIMATE.start_main_~x~4) (<= ULTIMATE.start_main_~x~4 14) (<= 15 ULTIMATE.start_main_~y~4)), 27280#(and (<= 15 ULTIMATE.start_main_~x~4) (<= 15 ULTIMATE.start_main_~y~4) (<= ULTIMATE.start_main_~x~4 15)), 27281#(and (<= 15 ULTIMATE.start_main_~x~4) (<= 16 ULTIMATE.start_main_~y~4) (<= ULTIMATE.start_main_~x~4 15)), 27282#(and (<= ULTIMATE.start_main_~x~4 16) (<= 16 ULTIMATE.start_main_~x~4) (<= 16 ULTIMATE.start_main_~y~4)), 27283#(and (<= ULTIMATE.start_main_~x~4 16) (<= 16 ULTIMATE.start_main_~x~4) (<= 17 ULTIMATE.start_main_~y~4)), 27284#(and (<= ULTIMATE.start_main_~x~4 17) (<= 17 ULTIMATE.start_main_~y~4) (<= 17 ULTIMATE.start_main_~x~4)), 27285#(and (<= 18 ULTIMATE.start_main_~y~4) (<= ULTIMATE.start_main_~x~4 17) (<= 17 ULTIMATE.start_main_~x~4)), 27286#(and (<= 18 ULTIMATE.start_main_~y~4) (<= 18 ULTIMATE.start_main_~x~4) (<= ULTIMATE.start_main_~x~4 18)), 27287#(and (<= 18 ULTIMATE.start_main_~x~4) (<= ULTIMATE.start_main_~x~4 18) (<= 19 ULTIMATE.start_main_~y~4)), 27288#(and (<= 19 ULTIMATE.start_main_~y~4) (<= 19 ULTIMATE.start_main_~x~4) (<= ULTIMATE.start_main_~x~4 19)), 27289#(and (<= 20 ULTIMATE.start_main_~y~4) (<= 19 ULTIMATE.start_main_~x~4) (<= ULTIMATE.start_main_~x~4 19)), 27290#(and (<= 20 ULTIMATE.start_main_~x~4) (<= 20 ULTIMATE.start_main_~y~4) (<= ULTIMATE.start_main_~x~4 20)), 27291#(and (<= 20 ULTIMATE.start_main_~x~4) (<= 21 ULTIMATE.start_main_~y~4) (<= ULTIMATE.start_main_~x~4 20)), 27292#(and (<= ULTIMATE.start_main_~x~4 21) (<= 21 ULTIMATE.start_main_~y~4) (<= 21 ULTIMATE.start_main_~x~4)), 27293#(and (<= ULTIMATE.start_main_~x~4 21) (<= 21 ULTIMATE.start_main_~x~4) (<= 22 ULTIMATE.start_main_~y~4)), 27294#(and (<= ULTIMATE.start_main_~x~4 22) (<= 22 ULTIMATE.start_main_~x~4) (<= 22 ULTIMATE.start_main_~y~4)), 27295#(and (<= 23 ULTIMATE.start_main_~y~4) (<= ULTIMATE.start_main_~x~4 22) (<= 22 ULTIMATE.start_main_~x~4)), 27296#(and (<= ULTIMATE.start_main_~x~4 23) (<= 23 ULTIMATE.start_main_~x~4) (<= 23 ULTIMATE.start_main_~y~4)), 27297#(and (<= ULTIMATE.start_main_~x~4 23) (<= 23 ULTIMATE.start_main_~x~4) (<= 24 ULTIMATE.start_main_~y~4)), 27298#(and (<= 24 ULTIMATE.start_main_~y~4) (<= ULTIMATE.start_main_~x~4 24) (<= 24 ULTIMATE.start_main_~x~4)), 27299#(and (<= 25 ULTIMATE.start_main_~y~4) (<= ULTIMATE.start_main_~x~4 24) (<= 24 ULTIMATE.start_main_~x~4)), 27300#(and (<= 25 ULTIMATE.start_main_~y~4) (<= ULTIMATE.start_main_~x~4 25) (<= 25 ULTIMATE.start_main_~x~4)), 27301#(and (<= ULTIMATE.start_main_~x~4 25) (<= 26 ULTIMATE.start_main_~y~4) (<= 25 ULTIMATE.start_main_~x~4)), 27302#(and (<= ULTIMATE.start_main_~x~4 26) (<= 26 ULTIMATE.start_main_~y~4) (<= 26 ULTIMATE.start_main_~x~4)), 27303#(and (<= ULTIMATE.start_main_~x~4 26) (<= 27 ULTIMATE.start_main_~y~4) (<= 26 ULTIMATE.start_main_~x~4)), 27304#(and (<= ULTIMATE.start_main_~x~4 27) (<= 27 ULTIMATE.start_main_~y~4) (<= 27 ULTIMATE.start_main_~x~4)), 27305#(and (<= ULTIMATE.start_main_~x~4 27) (<= 27 ULTIMATE.start_main_~x~4) (<= 28 ULTIMATE.start_main_~y~4)), 27306#(and (<= ULTIMATE.start_main_~x~4 28) (<= 28 ULTIMATE.start_main_~y~4) (<= 28 ULTIMATE.start_main_~x~4)), 27307#(and (<= ULTIMATE.start_main_~x~4 28) (<= 29 ULTIMATE.start_main_~y~4) (<= 28 ULTIMATE.start_main_~x~4)), 27308#(and (<= 29 ULTIMATE.start_main_~x~4) (<= 29 ULTIMATE.start_main_~y~4) (<= ULTIMATE.start_main_~x~4 29)), 27309#(and (<= 29 ULTIMATE.start_main_~x~4) (<= 30 ULTIMATE.start_main_~y~4) (<= ULTIMATE.start_main_~x~4 29)), 27310#(and (<= ULTIMATE.start_main_~x~4 30) (<= 30 ULTIMATE.start_main_~y~4) (<= 30 ULTIMATE.start_main_~x~4)), 27311#(and (<= ULTIMATE.start_main_~x~4 30) (<= 31 ULTIMATE.start_main_~y~4) (<= 30 ULTIMATE.start_main_~x~4)), 27312#(and (<= ULTIMATE.start_main_~x~4 31) (<= 31 ULTIMATE.start_main_~y~4) (<= 31 ULTIMATE.start_main_~x~4)), 27313#(and (<= ULTIMATE.start_main_~x~4 31) (<= 32 ULTIMATE.start_main_~y~4) (<= 31 ULTIMATE.start_main_~x~4)), 27314#(and (<= ULTIMATE.start_main_~x~4 32) (<= 32 ULTIMATE.start_main_~y~4) (<= 32 ULTIMATE.start_main_~x~4)), 27315#(and (<= ULTIMATE.start_main_~x~4 32) (<= 33 ULTIMATE.start_main_~y~4) (<= 32 ULTIMATE.start_main_~x~4)), 27316#(and (<= ULTIMATE.start_main_~x~4 33) (<= 33 ULTIMATE.start_main_~y~4) (<= 33 ULTIMATE.start_main_~x~4)), 27317#(and (<= ULTIMATE.start_main_~x~4 33) (<= 33 ULTIMATE.start_main_~x~4) (<= 34 ULTIMATE.start_main_~y~4)), 27318#(and (<= 34 ULTIMATE.start_main_~x~4) (<= ULTIMATE.start_main_~x~4 34) (<= 34 ULTIMATE.start_main_~y~4)), 27319#(and (<= 34 ULTIMATE.start_main_~x~4) (<= ULTIMATE.start_main_~x~4 34) (<= 35 ULTIMATE.start_main_~y~4)), 27320#(and (<= ULTIMATE.start_main_~x~4 35) (<= 35 ULTIMATE.start_main_~y~4) (<= 35 ULTIMATE.start_main_~x~4)), 27321#(and (<= ULTIMATE.start_main_~x~4 35) (<= 35 ULTIMATE.start_main_~x~4) (<= 36 ULTIMATE.start_main_~y~4)), 27322#(and (<= 36 ULTIMATE.start_main_~x~4) (<= ULTIMATE.start_main_~x~4 36) (<= 36 ULTIMATE.start_main_~y~4)), 27323#(and (<= 36 ULTIMATE.start_main_~x~4) (<= 37 ULTIMATE.start_main_~y~4) (<= ULTIMATE.start_main_~x~4 36)), 27324#(and (<= 37 ULTIMATE.start_main_~y~4) (<= ULTIMATE.start_main_~x~4 37) (<= 37 ULTIMATE.start_main_~x~4)), 27325#(and (<= ULTIMATE.start_main_~x~4 37) (<= 38 ULTIMATE.start_main_~y~4) (<= 37 ULTIMATE.start_main_~x~4)), 27326#(and (<= 38 ULTIMATE.start_main_~x~4) (<= ULTIMATE.start_main_~x~4 38) (<= 38 ULTIMATE.start_main_~y~4)), 27327#(and (<= 38 ULTIMATE.start_main_~x~4) (<= 39 ULTIMATE.start_main_~y~4) (<= ULTIMATE.start_main_~x~4 38)), 27328#(and (<= 39 ULTIMATE.start_main_~y~4) (<= ULTIMATE.start_main_~x~4 39) (<= 39 ULTIMATE.start_main_~x~4)), 27329#(and (<= ULTIMATE.start_main_~x~4 39) (<= 39 ULTIMATE.start_main_~x~4) (<= 40 ULTIMATE.start_main_~y~4)), 27330#(and (<= ULTIMATE.start_main_~x~4 40) (<= 40 ULTIMATE.start_main_~x~4) (<= 40 ULTIMATE.start_main_~y~4)), 27331#(and (<= ULTIMATE.start_main_~x~4 40) (<= 40 ULTIMATE.start_main_~x~4) (<= 41 ULTIMATE.start_main_~y~4)), 27332#(and (<= ULTIMATE.start_main_~x~4 41) (<= 41 ULTIMATE.start_main_~x~4) (<= 41 ULTIMATE.start_main_~y~4)), 27333#(and (<= ULTIMATE.start_main_~x~4 41) (<= 41 ULTIMATE.start_main_~x~4) (<= 42 ULTIMATE.start_main_~y~4)), 27334#(and (<= 42 ULTIMATE.start_main_~y~4) (<= ULTIMATE.start_main_~x~4 42) (<= 42 ULTIMATE.start_main_~x~4)), 27335#(and (<= 43 ULTIMATE.start_main_~y~4) (<= ULTIMATE.start_main_~x~4 42) (<= 42 ULTIMATE.start_main_~x~4)), 27336#(and (<= 43 ULTIMATE.start_main_~y~4) (<= ULTIMATE.start_main_~x~4 43) (<= 43 ULTIMATE.start_main_~x~4)), 27337#(and (<= ULTIMATE.start_main_~x~4 43) (<= 44 ULTIMATE.start_main_~y~4) (<= 43 ULTIMATE.start_main_~x~4)), 27338#(and (<= 44 ULTIMATE.start_main_~x~4) (<= ULTIMATE.start_main_~x~4 44) (<= 44 ULTIMATE.start_main_~y~4)), 27339#(and (<= 44 ULTIMATE.start_main_~x~4) (<= ULTIMATE.start_main_~x~4 44) (<= 45 ULTIMATE.start_main_~y~4)), 27340#(and (<= 45 ULTIMATE.start_main_~y~4) (<= 45 ULTIMATE.start_main_~x~4) (<= ULTIMATE.start_main_~x~4 45)), 27341#(and (<= 46 ULTIMATE.start_main_~y~4) (<= 45 ULTIMATE.start_main_~x~4) (<= ULTIMATE.start_main_~x~4 45)), 27342#(and (<= ULTIMATE.start_main_~x~4 46) (<= 46 ULTIMATE.start_main_~x~4) (<= 46 ULTIMATE.start_main_~y~4)), 27343#(and (<= ULTIMATE.start_main_~x~4 46) (<= 47 ULTIMATE.start_main_~y~4) (<= 46 ULTIMATE.start_main_~x~4)), 27344#(and (<= 47 ULTIMATE.start_main_~y~4) (<= 47 ULTIMATE.start_main_~x~4) (<= ULTIMATE.start_main_~x~4 47)), 27345#(and (<= 48 ULTIMATE.start_main_~y~4) (<= 47 ULTIMATE.start_main_~x~4) (<= ULTIMATE.start_main_~x~4 47)), 27346#(and (<= 48 ULTIMATE.start_main_~x~4) (<= 48 ULTIMATE.start_main_~y~4) (<= ULTIMATE.start_main_~x~4 48)), 27347#(and (<= 48 ULTIMATE.start_main_~x~4) (<= 49 ULTIMATE.start_main_~y~4) (<= ULTIMATE.start_main_~x~4 48)), 27348#(and (<= 49 ULTIMATE.start_main_~x~4) (<= 49 ULTIMATE.start_main_~y~4) (<= ULTIMATE.start_main_~x~4 49)), 27349#(and (<= 49 ULTIMATE.start_main_~x~4) (<= 50 ULTIMATE.start_main_~y~4)), 27350#(and (<= 50 ULTIMATE.start_main_~x~4) (<= 50 ULTIMATE.start_main_~y~4)), 27351#(and (<= 50 ULTIMATE.start_main_~x~4) (<= 49 ULTIMATE.start_main_~y~4)), 27352#(and (<= 51 ULTIMATE.start_main_~x~4) (<= 49 ULTIMATE.start_main_~y~4)), 27353#(and (<= 51 ULTIMATE.start_main_~x~4) (<= 48 ULTIMATE.start_main_~y~4)), 27354#(and (<= 52 ULTIMATE.start_main_~x~4) (<= 48 ULTIMATE.start_main_~y~4)), 27355#(and (<= 52 ULTIMATE.start_main_~x~4) (<= 47 ULTIMATE.start_main_~y~4)), 27356#(and (<= 47 ULTIMATE.start_main_~y~4) (<= 53 ULTIMATE.start_main_~x~4)), 27357#(and (<= 53 ULTIMATE.start_main_~x~4) (<= 46 ULTIMATE.start_main_~y~4)), 27358#(and (<= 54 ULTIMATE.start_main_~x~4) (<= 46 ULTIMATE.start_main_~y~4)), 27359#(and (<= 45 ULTIMATE.start_main_~y~4) (<= 54 ULTIMATE.start_main_~x~4)), 27360#(and (<= 45 ULTIMATE.start_main_~y~4) (<= 55 ULTIMATE.start_main_~x~4)), 27361#(and (<= 55 ULTIMATE.start_main_~x~4) (<= 44 ULTIMATE.start_main_~y~4)), 27362#(and (<= 56 ULTIMATE.start_main_~x~4) (<= 44 ULTIMATE.start_main_~y~4)), 27363#(and (<= 56 ULTIMATE.start_main_~x~4) (<= 43 ULTIMATE.start_main_~y~4)), 27364#(and (<= 43 ULTIMATE.start_main_~y~4) (<= 57 ULTIMATE.start_main_~x~4)), 27365#(and (<= 42 ULTIMATE.start_main_~y~4) (<= 57 ULTIMATE.start_main_~x~4)), 27366#(and (<= 58 ULTIMATE.start_main_~x~4) (<= 42 ULTIMATE.start_main_~y~4)), 27367#(and (<= 58 ULTIMATE.start_main_~x~4) (<= 41 ULTIMATE.start_main_~y~4)), 27368#(and (<= 41 ULTIMATE.start_main_~y~4) (<= 59 ULTIMATE.start_main_~x~4)), 27369#(and (<= 40 ULTIMATE.start_main_~y~4) (<= 59 ULTIMATE.start_main_~x~4)), 27370#(and (<= 60 ULTIMATE.start_main_~x~4) (<= 40 ULTIMATE.start_main_~y~4)), 27371#(and (<= 39 ULTIMATE.start_main_~y~4) (<= 60 ULTIMATE.start_main_~x~4)), 27372#(and (<= 61 ULTIMATE.start_main_~x~4) (<= 39 ULTIMATE.start_main_~y~4)), 27373#(and (<= 61 ULTIMATE.start_main_~x~4) (<= 38 ULTIMATE.start_main_~y~4)), 27374#(and (<= 38 ULTIMATE.start_main_~y~4) (<= 62 ULTIMATE.start_main_~x~4)), 27375#(and (<= 37 ULTIMATE.start_main_~y~4) (<= 62 ULTIMATE.start_main_~x~4)), 27376#(and (<= 63 ULTIMATE.start_main_~x~4) (<= 37 ULTIMATE.start_main_~y~4)), 27377#(and (<= 63 ULTIMATE.start_main_~x~4) (<= 36 ULTIMATE.start_main_~y~4)), 27378#(and (<= 64 ULTIMATE.start_main_~x~4) (<= 36 ULTIMATE.start_main_~y~4)), 27379#(and (<= 35 ULTIMATE.start_main_~y~4) (<= 64 ULTIMATE.start_main_~x~4)), 27380#(and (<= 35 ULTIMATE.start_main_~y~4) (<= 65 ULTIMATE.start_main_~x~4)), 27381#(and (<= 34 ULTIMATE.start_main_~y~4) (<= 65 ULTIMATE.start_main_~x~4)), 27382#(and (<= 66 ULTIMATE.start_main_~x~4) (<= 34 ULTIMATE.start_main_~y~4)), 27383#(and (<= 66 ULTIMATE.start_main_~x~4) (<= 33 ULTIMATE.start_main_~y~4)), 27384#(and (<= 67 ULTIMATE.start_main_~x~4) (<= 33 ULTIMATE.start_main_~y~4)), 27385#(and (<= 67 ULTIMATE.start_main_~x~4) (<= 32 ULTIMATE.start_main_~y~4)), 27386#(and (<= 32 ULTIMATE.start_main_~y~4) (<= 68 ULTIMATE.start_main_~x~4)), 27387#(<= 31 ULTIMATE.start_main_~y~4), 27388#(<= 1 ULTIMATE.start_main_~y~4)] [2018-07-23 13:41:37,697 INFO L134 CoverageAnalysis]: Checked inductivity of 4830 backedges. 0 proven. 4830 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2018-07-23 13:41:37,697 INFO L450 AbstractCegarLoop]: Interpolant automaton has 141 states [2018-07-23 13:41:37,697 INFO L132 InterpolantAutomaton]: Constructing interpolant automaton starting with 141 interpolants. [2018-07-23 13:41:37,698 INFO L133 InterpolantAutomaton]: CoverageRelationStatistics Valid=578, Invalid=19162, Unknown=0, NotChecked=0, Total=19740 [2018-07-23 13:41:37,698 INFO L87 Difference]: Start difference. First operand 143 states and 143 transitions. Second operand 141 states. [2018-07-23 13:41:38,447 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2018-07-23 13:41:38,447 INFO L93 Difference]: Finished difference Result 148 states and 148 transitions. [2018-07-23 13:41:38,448 INFO L142 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 141 states. [2018-07-23 13:41:38,448 INFO L78 Accepts]: Start accepts. Automaton has 141 states. Word has length 142 [2018-07-23 13:41:38,448 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2018-07-23 13:41:38,449 INFO L225 Difference]: With dead ends: 148 [2018-07-23 13:41:38,449 INFO L226 Difference]: Without dead ends: 146 [2018-07-23 13:41:38,449 INFO L575 BasicCegarLoop]: 0 DeclaredPredicates, 142 GetRequests, 1 SyntacticMatches, 1 SemanticMatches, 140 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 5341 ImplicationChecksByTransitivity, 0.9s TimeCoverageRelationStatistics Valid=584, Invalid=19438, Unknown=0, NotChecked=0, Total=20022 [2018-07-23 13:41:38,450 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 146 states. [2018-07-23 13:41:38,460 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 146 to 145. [2018-07-23 13:41:38,460 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 145 states. [2018-07-23 13:41:38,460 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 145 states to 145 states and 145 transitions. [2018-07-23 13:41:38,460 INFO L78 Accepts]: Start accepts. Automaton has 145 states and 145 transitions. Word has length 142 [2018-07-23 13:41:38,460 INFO L84 Accepts]: Finished accepts. word is rejected. [2018-07-23 13:41:38,460 INFO L471 AbstractCegarLoop]: Abstraction has 145 states and 145 transitions. [2018-07-23 13:41:38,461 INFO L472 AbstractCegarLoop]: Interpolant automaton has 141 states. [2018-07-23 13:41:38,461 INFO L276 IsEmpty]: Start isEmpty. Operand 145 states and 145 transitions. [2018-07-23 13:41:38,461 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 145 [2018-07-23 13:41:38,461 INFO L349 BasicCegarLoop]: Found error trace [2018-07-23 13:41:38,461 INFO L357 BasicCegarLoop]: trace histogram [71, 70, 1, 1, 1] [2018-07-23 13:41:38,462 INFO L414 AbstractCegarLoop]: === Iteration 71 === [ULTIMATE.startErr0AssertViolationASSERT]=== [2018-07-23 13:41:38,462 INFO L82 PathProgramCache]: Analyzing trace with hash -1307675108, now seen corresponding path program 70 times [2018-07-23 13:41:38,462 INFO L69 tionRefinementEngine]: Using refinement strategy FixedRefinementStrategy [2018-07-23 13:41:38,484 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-07-23 13:41:39,431 INFO L134 CoverageAnalysis]: Checked inductivity of 4970 backedges. 0 proven. 4970 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2018-07-23 13:41:39,431 INFO L309 seRefinementStrategy]: Constructing automaton from 0 perfect and 1 imperfect interpolant sequences. [2018-07-23 13:41:39,431 INFO L324 seRefinementStrategy]: Number of different interpolants: perfect sequences [] imperfect sequences [142] total 142 [2018-07-23 13:41:39,432 INFO L142 lantAutomatonBuilder]: Constructing canonical interpolant automaton, with selfloop in false state [2018-07-23 13:41:39,432 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2018-07-23 13:41:39,433 INFO L185 omatonBuilderFactory]: Interpolants [27977#true, 27978#false, 27979#(and (<= 0 ULTIMATE.start_main_~y~4) (<= ULTIMATE.start_main_~x~4 0) (<= 0 ULTIMATE.start_main_~x~4)), 27980#(and (<= ULTIMATE.start_main_~x~4 0) (<= 0 ULTIMATE.start_main_~x~4) (<= 1 ULTIMATE.start_main_~y~4)), 27981#(and (<= ULTIMATE.start_main_~x~4 1) (<= 1 ULTIMATE.start_main_~y~4) (<= 1 ULTIMATE.start_main_~x~4)), 27982#(and (<= 2 ULTIMATE.start_main_~y~4) (<= ULTIMATE.start_main_~x~4 1) (<= 1 ULTIMATE.start_main_~x~4)), 27983#(and (<= 2 ULTIMATE.start_main_~y~4) (<= 2 ULTIMATE.start_main_~x~4) (<= ULTIMATE.start_main_~x~4 2)), 27984#(and (<= 3 ULTIMATE.start_main_~y~4) (<= 2 ULTIMATE.start_main_~x~4) (<= ULTIMATE.start_main_~x~4 2)), 27985#(and (<= 3 ULTIMATE.start_main_~x~4) (<= 3 ULTIMATE.start_main_~y~4) (<= ULTIMATE.start_main_~x~4 3)), 27986#(and (<= 3 ULTIMATE.start_main_~x~4) (<= 4 ULTIMATE.start_main_~y~4) (<= ULTIMATE.start_main_~x~4 3)), 27987#(and (<= 4 ULTIMATE.start_main_~y~4) (<= ULTIMATE.start_main_~x~4 4) (<= 4 ULTIMATE.start_main_~x~4)), 27988#(and (<= 5 ULTIMATE.start_main_~y~4) (<= ULTIMATE.start_main_~x~4 4) (<= 4 ULTIMATE.start_main_~x~4)), 27989#(and (<= ULTIMATE.start_main_~x~4 5) (<= 5 ULTIMATE.start_main_~y~4) (<= 5 ULTIMATE.start_main_~x~4)), 27990#(and (<= ULTIMATE.start_main_~x~4 5) (<= 6 ULTIMATE.start_main_~y~4) (<= 5 ULTIMATE.start_main_~x~4)), 27991#(and (<= 6 ULTIMATE.start_main_~x~4) (<= 6 ULTIMATE.start_main_~y~4) (<= ULTIMATE.start_main_~x~4 6)), 27992#(and (<= 6 ULTIMATE.start_main_~x~4) (<= 7 ULTIMATE.start_main_~y~4) (<= ULTIMATE.start_main_~x~4 6)), 27993#(and (<= ULTIMATE.start_main_~x~4 7) (<= 7 ULTIMATE.start_main_~y~4) (<= 7 ULTIMATE.start_main_~x~4)), 27994#(and (<= ULTIMATE.start_main_~x~4 7) (<= 7 ULTIMATE.start_main_~x~4) (<= 8 ULTIMATE.start_main_~y~4)), 27995#(and (<= ULTIMATE.start_main_~x~4 8) (<= 8 ULTIMATE.start_main_~y~4) (<= 8 ULTIMATE.start_main_~x~4)), 27996#(and (<= ULTIMATE.start_main_~x~4 8) (<= 8 ULTIMATE.start_main_~x~4) (<= 9 ULTIMATE.start_main_~y~4)), 27997#(and (<= 9 ULTIMATE.start_main_~x~4) (<= ULTIMATE.start_main_~x~4 9) (<= 9 ULTIMATE.start_main_~y~4)), 27998#(and (<= 9 ULTIMATE.start_main_~x~4) (<= 10 ULTIMATE.start_main_~y~4) (<= ULTIMATE.start_main_~x~4 9)), 27999#(and (<= ULTIMATE.start_main_~x~4 10) (<= 10 ULTIMATE.start_main_~y~4) (<= 10 ULTIMATE.start_main_~x~4)), 28000#(and (<= ULTIMATE.start_main_~x~4 10) (<= 11 ULTIMATE.start_main_~y~4) (<= 10 ULTIMATE.start_main_~x~4)), 28001#(and (<= ULTIMATE.start_main_~x~4 11) (<= 11 ULTIMATE.start_main_~x~4) (<= 11 ULTIMATE.start_main_~y~4)), 28002#(and (<= ULTIMATE.start_main_~x~4 11) (<= 11 ULTIMATE.start_main_~x~4) (<= 12 ULTIMATE.start_main_~y~4)), 28003#(and (<= 12 ULTIMATE.start_main_~x~4) (<= 12 ULTIMATE.start_main_~y~4) (<= ULTIMATE.start_main_~x~4 12)), 28004#(and (<= 12 ULTIMATE.start_main_~x~4) (<= 13 ULTIMATE.start_main_~y~4) (<= ULTIMATE.start_main_~x~4 12)), 28005#(and (<= 13 ULTIMATE.start_main_~y~4) (<= ULTIMATE.start_main_~x~4 13) (<= 13 ULTIMATE.start_main_~x~4)), 28006#(and (<= 14 ULTIMATE.start_main_~y~4) (<= ULTIMATE.start_main_~x~4 13) (<= 13 ULTIMATE.start_main_~x~4)), 28007#(and (<= 14 ULTIMATE.start_main_~y~4) (<= 14 ULTIMATE.start_main_~x~4) (<= ULTIMATE.start_main_~x~4 14)), 28008#(and (<= 14 ULTIMATE.start_main_~x~4) (<= ULTIMATE.start_main_~x~4 14) (<= 15 ULTIMATE.start_main_~y~4)), 28009#(and (<= 15 ULTIMATE.start_main_~x~4) (<= 15 ULTIMATE.start_main_~y~4) (<= ULTIMATE.start_main_~x~4 15)), 28010#(and (<= 15 ULTIMATE.start_main_~x~4) (<= 16 ULTIMATE.start_main_~y~4) (<= ULTIMATE.start_main_~x~4 15)), 28011#(and (<= ULTIMATE.start_main_~x~4 16) (<= 16 ULTIMATE.start_main_~x~4) (<= 16 ULTIMATE.start_main_~y~4)), 28012#(and (<= ULTIMATE.start_main_~x~4 16) (<= 16 ULTIMATE.start_main_~x~4) (<= 17 ULTIMATE.start_main_~y~4)), 28013#(and (<= ULTIMATE.start_main_~x~4 17) (<= 17 ULTIMATE.start_main_~y~4) (<= 17 ULTIMATE.start_main_~x~4)), 28014#(and (<= 18 ULTIMATE.start_main_~y~4) (<= ULTIMATE.start_main_~x~4 17) (<= 17 ULTIMATE.start_main_~x~4)), 28015#(and (<= 18 ULTIMATE.start_main_~y~4) (<= 18 ULTIMATE.start_main_~x~4) (<= ULTIMATE.start_main_~x~4 18)), 28016#(and (<= 18 ULTIMATE.start_main_~x~4) (<= ULTIMATE.start_main_~x~4 18) (<= 19 ULTIMATE.start_main_~y~4)), 28017#(and (<= 19 ULTIMATE.start_main_~y~4) (<= 19 ULTIMATE.start_main_~x~4) (<= ULTIMATE.start_main_~x~4 19)), 28018#(and (<= 20 ULTIMATE.start_main_~y~4) (<= 19 ULTIMATE.start_main_~x~4) (<= ULTIMATE.start_main_~x~4 19)), 28019#(and (<= 20 ULTIMATE.start_main_~x~4) (<= 20 ULTIMATE.start_main_~y~4) (<= ULTIMATE.start_main_~x~4 20)), 28020#(and (<= 20 ULTIMATE.start_main_~x~4) (<= 21 ULTIMATE.start_main_~y~4) (<= ULTIMATE.start_main_~x~4 20)), 28021#(and (<= ULTIMATE.start_main_~x~4 21) (<= 21 ULTIMATE.start_main_~y~4) (<= 21 ULTIMATE.start_main_~x~4)), 28022#(and (<= ULTIMATE.start_main_~x~4 21) (<= 21 ULTIMATE.start_main_~x~4) (<= 22 ULTIMATE.start_main_~y~4)), 28023#(and (<= ULTIMATE.start_main_~x~4 22) (<= 22 ULTIMATE.start_main_~x~4) (<= 22 ULTIMATE.start_main_~y~4)), 28024#(and (<= 23 ULTIMATE.start_main_~y~4) (<= ULTIMATE.start_main_~x~4 22) (<= 22 ULTIMATE.start_main_~x~4)), 28025#(and (<= ULTIMATE.start_main_~x~4 23) (<= 23 ULTIMATE.start_main_~x~4) (<= 23 ULTIMATE.start_main_~y~4)), 28026#(and (<= ULTIMATE.start_main_~x~4 23) (<= 23 ULTIMATE.start_main_~x~4) (<= 24 ULTIMATE.start_main_~y~4)), 28027#(and (<= 24 ULTIMATE.start_main_~y~4) (<= ULTIMATE.start_main_~x~4 24) (<= 24 ULTIMATE.start_main_~x~4)), 28028#(and (<= 25 ULTIMATE.start_main_~y~4) (<= ULTIMATE.start_main_~x~4 24) (<= 24 ULTIMATE.start_main_~x~4)), 28029#(and (<= 25 ULTIMATE.start_main_~y~4) (<= ULTIMATE.start_main_~x~4 25) (<= 25 ULTIMATE.start_main_~x~4)), 28030#(and (<= ULTIMATE.start_main_~x~4 25) (<= 26 ULTIMATE.start_main_~y~4) (<= 25 ULTIMATE.start_main_~x~4)), 28031#(and (<= ULTIMATE.start_main_~x~4 26) (<= 26 ULTIMATE.start_main_~y~4) (<= 26 ULTIMATE.start_main_~x~4)), 28032#(and (<= ULTIMATE.start_main_~x~4 26) (<= 27 ULTIMATE.start_main_~y~4) (<= 26 ULTIMATE.start_main_~x~4)), 28033#(and (<= ULTIMATE.start_main_~x~4 27) (<= 27 ULTIMATE.start_main_~y~4) (<= 27 ULTIMATE.start_main_~x~4)), 28034#(and (<= ULTIMATE.start_main_~x~4 27) (<= 27 ULTIMATE.start_main_~x~4) (<= 28 ULTIMATE.start_main_~y~4)), 28035#(and (<= ULTIMATE.start_main_~x~4 28) (<= 28 ULTIMATE.start_main_~y~4) (<= 28 ULTIMATE.start_main_~x~4)), 28036#(and (<= ULTIMATE.start_main_~x~4 28) (<= 29 ULTIMATE.start_main_~y~4) (<= 28 ULTIMATE.start_main_~x~4)), 28037#(and (<= 29 ULTIMATE.start_main_~x~4) (<= 29 ULTIMATE.start_main_~y~4) (<= ULTIMATE.start_main_~x~4 29)), 28038#(and (<= 29 ULTIMATE.start_main_~x~4) (<= 30 ULTIMATE.start_main_~y~4) (<= ULTIMATE.start_main_~x~4 29)), 28039#(and (<= ULTIMATE.start_main_~x~4 30) (<= 30 ULTIMATE.start_main_~y~4) (<= 30 ULTIMATE.start_main_~x~4)), 28040#(and (<= ULTIMATE.start_main_~x~4 30) (<= 31 ULTIMATE.start_main_~y~4) (<= 30 ULTIMATE.start_main_~x~4)), 28041#(and (<= ULTIMATE.start_main_~x~4 31) (<= 31 ULTIMATE.start_main_~y~4) (<= 31 ULTIMATE.start_main_~x~4)), 28042#(and (<= ULTIMATE.start_main_~x~4 31) (<= 32 ULTIMATE.start_main_~y~4) (<= 31 ULTIMATE.start_main_~x~4)), 28043#(and (<= ULTIMATE.start_main_~x~4 32) (<= 32 ULTIMATE.start_main_~y~4) (<= 32 ULTIMATE.start_main_~x~4)), 28044#(and (<= ULTIMATE.start_main_~x~4 32) (<= 33 ULTIMATE.start_main_~y~4) (<= 32 ULTIMATE.start_main_~x~4)), 28045#(and (<= ULTIMATE.start_main_~x~4 33) (<= 33 ULTIMATE.start_main_~y~4) (<= 33 ULTIMATE.start_main_~x~4)), 28046#(and (<= ULTIMATE.start_main_~x~4 33) (<= 33 ULTIMATE.start_main_~x~4) (<= 34 ULTIMATE.start_main_~y~4)), 28047#(and (<= 34 ULTIMATE.start_main_~x~4) (<= ULTIMATE.start_main_~x~4 34) (<= 34 ULTIMATE.start_main_~y~4)), 28048#(and (<= 34 ULTIMATE.start_main_~x~4) (<= ULTIMATE.start_main_~x~4 34) (<= 35 ULTIMATE.start_main_~y~4)), 28049#(and (<= ULTIMATE.start_main_~x~4 35) (<= 35 ULTIMATE.start_main_~y~4) (<= 35 ULTIMATE.start_main_~x~4)), 28050#(and (<= ULTIMATE.start_main_~x~4 35) (<= 35 ULTIMATE.start_main_~x~4) (<= 36 ULTIMATE.start_main_~y~4)), 28051#(and (<= 36 ULTIMATE.start_main_~x~4) (<= ULTIMATE.start_main_~x~4 36) (<= 36 ULTIMATE.start_main_~y~4)), 28052#(and (<= 36 ULTIMATE.start_main_~x~4) (<= 37 ULTIMATE.start_main_~y~4) (<= ULTIMATE.start_main_~x~4 36)), 28053#(and (<= 37 ULTIMATE.start_main_~y~4) (<= ULTIMATE.start_main_~x~4 37) (<= 37 ULTIMATE.start_main_~x~4)), 28054#(and (<= ULTIMATE.start_main_~x~4 37) (<= 38 ULTIMATE.start_main_~y~4) (<= 37 ULTIMATE.start_main_~x~4)), 28055#(and (<= 38 ULTIMATE.start_main_~x~4) (<= ULTIMATE.start_main_~x~4 38) (<= 38 ULTIMATE.start_main_~y~4)), 28056#(and (<= 38 ULTIMATE.start_main_~x~4) (<= 39 ULTIMATE.start_main_~y~4) (<= ULTIMATE.start_main_~x~4 38)), 28057#(and (<= 39 ULTIMATE.start_main_~y~4) (<= ULTIMATE.start_main_~x~4 39) (<= 39 ULTIMATE.start_main_~x~4)), 28058#(and (<= ULTIMATE.start_main_~x~4 39) (<= 39 ULTIMATE.start_main_~x~4) (<= 40 ULTIMATE.start_main_~y~4)), 28059#(and (<= ULTIMATE.start_main_~x~4 40) (<= 40 ULTIMATE.start_main_~x~4) (<= 40 ULTIMATE.start_main_~y~4)), 28060#(and (<= ULTIMATE.start_main_~x~4 40) (<= 40 ULTIMATE.start_main_~x~4) (<= 41 ULTIMATE.start_main_~y~4)), 28061#(and (<= ULTIMATE.start_main_~x~4 41) (<= 41 ULTIMATE.start_main_~x~4) (<= 41 ULTIMATE.start_main_~y~4)), 28062#(and (<= ULTIMATE.start_main_~x~4 41) (<= 41 ULTIMATE.start_main_~x~4) (<= 42 ULTIMATE.start_main_~y~4)), 28063#(and (<= 42 ULTIMATE.start_main_~y~4) (<= ULTIMATE.start_main_~x~4 42) (<= 42 ULTIMATE.start_main_~x~4)), 28064#(and (<= 43 ULTIMATE.start_main_~y~4) (<= ULTIMATE.start_main_~x~4 42) (<= 42 ULTIMATE.start_main_~x~4)), 28065#(and (<= 43 ULTIMATE.start_main_~y~4) (<= ULTIMATE.start_main_~x~4 43) (<= 43 ULTIMATE.start_main_~x~4)), 28066#(and (<= ULTIMATE.start_main_~x~4 43) (<= 44 ULTIMATE.start_main_~y~4) (<= 43 ULTIMATE.start_main_~x~4)), 28067#(and (<= 44 ULTIMATE.start_main_~x~4) (<= ULTIMATE.start_main_~x~4 44) (<= 44 ULTIMATE.start_main_~y~4)), 28068#(and (<= 44 ULTIMATE.start_main_~x~4) (<= ULTIMATE.start_main_~x~4 44) (<= 45 ULTIMATE.start_main_~y~4)), 28069#(and (<= 45 ULTIMATE.start_main_~y~4) (<= 45 ULTIMATE.start_main_~x~4) (<= ULTIMATE.start_main_~x~4 45)), 28070#(and (<= 46 ULTIMATE.start_main_~y~4) (<= 45 ULTIMATE.start_main_~x~4) (<= ULTIMATE.start_main_~x~4 45)), 28071#(and (<= ULTIMATE.start_main_~x~4 46) (<= 46 ULTIMATE.start_main_~x~4) (<= 46 ULTIMATE.start_main_~y~4)), 28072#(and (<= ULTIMATE.start_main_~x~4 46) (<= 47 ULTIMATE.start_main_~y~4) (<= 46 ULTIMATE.start_main_~x~4)), 28073#(and (<= 47 ULTIMATE.start_main_~y~4) (<= 47 ULTIMATE.start_main_~x~4) (<= ULTIMATE.start_main_~x~4 47)), 28074#(and (<= 48 ULTIMATE.start_main_~y~4) (<= 47 ULTIMATE.start_main_~x~4) (<= ULTIMATE.start_main_~x~4 47)), 28075#(and (<= 48 ULTIMATE.start_main_~x~4) (<= 48 ULTIMATE.start_main_~y~4) (<= ULTIMATE.start_main_~x~4 48)), 28076#(and (<= 48 ULTIMATE.start_main_~x~4) (<= 49 ULTIMATE.start_main_~y~4) (<= ULTIMATE.start_main_~x~4 48)), 28077#(and (<= 49 ULTIMATE.start_main_~x~4) (<= 49 ULTIMATE.start_main_~y~4) (<= ULTIMATE.start_main_~x~4 49)), 28078#(and (<= 49 ULTIMATE.start_main_~x~4) (<= 50 ULTIMATE.start_main_~y~4)), 28079#(and (<= 50 ULTIMATE.start_main_~x~4) (<= 50 ULTIMATE.start_main_~y~4)), 28080#(and (<= 50 ULTIMATE.start_main_~x~4) (<= 49 ULTIMATE.start_main_~y~4)), 28081#(and (<= 51 ULTIMATE.start_main_~x~4) (<= 49 ULTIMATE.start_main_~y~4)), 28082#(and (<= 51 ULTIMATE.start_main_~x~4) (<= 48 ULTIMATE.start_main_~y~4)), 28083#(and (<= 52 ULTIMATE.start_main_~x~4) (<= 48 ULTIMATE.start_main_~y~4)), 28084#(and (<= 52 ULTIMATE.start_main_~x~4) (<= 47 ULTIMATE.start_main_~y~4)), 28085#(and (<= 47 ULTIMATE.start_main_~y~4) (<= 53 ULTIMATE.start_main_~x~4)), 28086#(and (<= 53 ULTIMATE.start_main_~x~4) (<= 46 ULTIMATE.start_main_~y~4)), 28087#(and (<= 54 ULTIMATE.start_main_~x~4) (<= 46 ULTIMATE.start_main_~y~4)), 28088#(and (<= 45 ULTIMATE.start_main_~y~4) (<= 54 ULTIMATE.start_main_~x~4)), 28089#(and (<= 45 ULTIMATE.start_main_~y~4) (<= 55 ULTIMATE.start_main_~x~4)), 28090#(and (<= 55 ULTIMATE.start_main_~x~4) (<= 44 ULTIMATE.start_main_~y~4)), 28091#(and (<= 56 ULTIMATE.start_main_~x~4) (<= 44 ULTIMATE.start_main_~y~4)), 28092#(and (<= 56 ULTIMATE.start_main_~x~4) (<= 43 ULTIMATE.start_main_~y~4)), 28093#(and (<= 43 ULTIMATE.start_main_~y~4) (<= 57 ULTIMATE.start_main_~x~4)), 28094#(and (<= 42 ULTIMATE.start_main_~y~4) (<= 57 ULTIMATE.start_main_~x~4)), 28095#(and (<= 58 ULTIMATE.start_main_~x~4) (<= 42 ULTIMATE.start_main_~y~4)), 28096#(and (<= 58 ULTIMATE.start_main_~x~4) (<= 41 ULTIMATE.start_main_~y~4)), 28097#(and (<= 41 ULTIMATE.start_main_~y~4) (<= 59 ULTIMATE.start_main_~x~4)), 28098#(and (<= 40 ULTIMATE.start_main_~y~4) (<= 59 ULTIMATE.start_main_~x~4)), 28099#(and (<= 60 ULTIMATE.start_main_~x~4) (<= 40 ULTIMATE.start_main_~y~4)), 28100#(and (<= 39 ULTIMATE.start_main_~y~4) (<= 60 ULTIMATE.start_main_~x~4)), 28101#(and (<= 61 ULTIMATE.start_main_~x~4) (<= 39 ULTIMATE.start_main_~y~4)), 28102#(and (<= 61 ULTIMATE.start_main_~x~4) (<= 38 ULTIMATE.start_main_~y~4)), 28103#(and (<= 38 ULTIMATE.start_main_~y~4) (<= 62 ULTIMATE.start_main_~x~4)), 28104#(and (<= 37 ULTIMATE.start_main_~y~4) (<= 62 ULTIMATE.start_main_~x~4)), 28105#(and (<= 63 ULTIMATE.start_main_~x~4) (<= 37 ULTIMATE.start_main_~y~4)), 28106#(and (<= 63 ULTIMATE.start_main_~x~4) (<= 36 ULTIMATE.start_main_~y~4)), 28107#(and (<= 64 ULTIMATE.start_main_~x~4) (<= 36 ULTIMATE.start_main_~y~4)), 28108#(and (<= 35 ULTIMATE.start_main_~y~4) (<= 64 ULTIMATE.start_main_~x~4)), 28109#(and (<= 35 ULTIMATE.start_main_~y~4) (<= 65 ULTIMATE.start_main_~x~4)), 28110#(and (<= 34 ULTIMATE.start_main_~y~4) (<= 65 ULTIMATE.start_main_~x~4)), 28111#(and (<= 66 ULTIMATE.start_main_~x~4) (<= 34 ULTIMATE.start_main_~y~4)), 28112#(and (<= 66 ULTIMATE.start_main_~x~4) (<= 33 ULTIMATE.start_main_~y~4)), 28113#(and (<= 67 ULTIMATE.start_main_~x~4) (<= 33 ULTIMATE.start_main_~y~4)), 28114#(and (<= 67 ULTIMATE.start_main_~x~4) (<= 32 ULTIMATE.start_main_~y~4)), 28115#(and (<= 32 ULTIMATE.start_main_~y~4) (<= 68 ULTIMATE.start_main_~x~4)), 28116#(and (<= 31 ULTIMATE.start_main_~y~4) (<= 68 ULTIMATE.start_main_~x~4)), 28117#(and (<= 31 ULTIMATE.start_main_~y~4) (<= 69 ULTIMATE.start_main_~x~4)), 28118#(<= 30 ULTIMATE.start_main_~y~4), 28119#(<= 1 ULTIMATE.start_main_~y~4)] [2018-07-23 13:41:39,433 INFO L134 CoverageAnalysis]: Checked inductivity of 4970 backedges. 0 proven. 4970 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2018-07-23 13:41:39,433 INFO L450 AbstractCegarLoop]: Interpolant automaton has 143 states [2018-07-23 13:41:39,434 INFO L132 InterpolantAutomaton]: Constructing interpolant automaton starting with 143 interpolants. [2018-07-23 13:41:39,435 INFO L133 InterpolantAutomaton]: CoverageRelationStatistics Valid=590, Invalid=19716, Unknown=0, NotChecked=0, Total=20306 [2018-07-23 13:41:39,435 INFO L87 Difference]: Start difference. First operand 145 states and 145 transitions. Second operand 143 states. [2018-07-23 13:41:40,259 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2018-07-23 13:41:40,259 INFO L93 Difference]: Finished difference Result 150 states and 150 transitions. [2018-07-23 13:41:40,260 INFO L142 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 143 states. [2018-07-23 13:41:40,260 INFO L78 Accepts]: Start accepts. Automaton has 143 states. Word has length 144 [2018-07-23 13:41:40,260 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2018-07-23 13:41:40,261 INFO L225 Difference]: With dead ends: 150 [2018-07-23 13:41:40,261 INFO L226 Difference]: Without dead ends: 148 [2018-07-23 13:41:40,262 INFO L575 BasicCegarLoop]: 0 DeclaredPredicates, 144 GetRequests, 1 SyntacticMatches, 1 SemanticMatches, 142 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 5523 ImplicationChecksByTransitivity, 0.7s TimeCoverageRelationStatistics Valid=596, Invalid=19996, Unknown=0, NotChecked=0, Total=20592 [2018-07-23 13:41:40,263 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 148 states. [2018-07-23 13:41:40,273 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 148 to 147. [2018-07-23 13:41:40,273 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 147 states. [2018-07-23 13:41:40,273 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 147 states to 147 states and 147 transitions. [2018-07-23 13:41:40,273 INFO L78 Accepts]: Start accepts. Automaton has 147 states and 147 transitions. Word has length 144 [2018-07-23 13:41:40,274 INFO L84 Accepts]: Finished accepts. word is rejected. [2018-07-23 13:41:40,274 INFO L471 AbstractCegarLoop]: Abstraction has 147 states and 147 transitions. [2018-07-23 13:41:40,274 INFO L472 AbstractCegarLoop]: Interpolant automaton has 143 states. [2018-07-23 13:41:40,274 INFO L276 IsEmpty]: Start isEmpty. Operand 147 states and 147 transitions. [2018-07-23 13:41:40,274 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 147 [2018-07-23 13:41:40,274 INFO L349 BasicCegarLoop]: Found error trace [2018-07-23 13:41:40,275 INFO L357 BasicCegarLoop]: trace histogram [72, 71, 1, 1, 1] [2018-07-23 13:41:40,275 INFO L414 AbstractCegarLoop]: === Iteration 72 === [ULTIMATE.startErr0AssertViolationASSERT]=== [2018-07-23 13:41:40,275 INFO L82 PathProgramCache]: Analyzing trace with hash 1749702722, now seen corresponding path program 71 times [2018-07-23 13:41:40,275 INFO L69 tionRefinementEngine]: Using refinement strategy FixedRefinementStrategy [2018-07-23 13:41:40,292 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-07-23 13:41:41,404 INFO L134 CoverageAnalysis]: Checked inductivity of 5112 backedges. 0 proven. 5112 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2018-07-23 13:41:41,404 INFO L309 seRefinementStrategy]: Constructing automaton from 0 perfect and 1 imperfect interpolant sequences. [2018-07-23 13:41:41,404 INFO L324 seRefinementStrategy]: Number of different interpolants: perfect sequences [] imperfect sequences [144] total 144 [2018-07-23 13:41:41,404 INFO L142 lantAutomatonBuilder]: Constructing canonical interpolant automaton, with selfloop in false state [2018-07-23 13:41:41,405 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2018-07-23 13:41:41,405 INFO L185 omatonBuilderFactory]: Interpolants [28716#true, 28717#false, 28718#(and (<= 0 ULTIMATE.start_main_~y~4) (<= ULTIMATE.start_main_~x~4 0) (<= 0 ULTIMATE.start_main_~x~4)), 28719#(and (<= ULTIMATE.start_main_~x~4 0) (<= 0 ULTIMATE.start_main_~x~4) (<= 1 ULTIMATE.start_main_~y~4)), 28720#(and (<= ULTIMATE.start_main_~x~4 1) (<= 1 ULTIMATE.start_main_~y~4) (<= 1 ULTIMATE.start_main_~x~4)), 28721#(and (<= 2 ULTIMATE.start_main_~y~4) (<= ULTIMATE.start_main_~x~4 1) (<= 1 ULTIMATE.start_main_~x~4)), 28722#(and (<= 2 ULTIMATE.start_main_~y~4) (<= 2 ULTIMATE.start_main_~x~4) (<= ULTIMATE.start_main_~x~4 2)), 28723#(and (<= 3 ULTIMATE.start_main_~y~4) (<= 2 ULTIMATE.start_main_~x~4) (<= ULTIMATE.start_main_~x~4 2)), 28724#(and (<= 3 ULTIMATE.start_main_~x~4) (<= 3 ULTIMATE.start_main_~y~4) (<= ULTIMATE.start_main_~x~4 3)), 28725#(and (<= 3 ULTIMATE.start_main_~x~4) (<= 4 ULTIMATE.start_main_~y~4) (<= ULTIMATE.start_main_~x~4 3)), 28726#(and (<= 4 ULTIMATE.start_main_~y~4) (<= ULTIMATE.start_main_~x~4 4) (<= 4 ULTIMATE.start_main_~x~4)), 28727#(and (<= 5 ULTIMATE.start_main_~y~4) (<= ULTIMATE.start_main_~x~4 4) (<= 4 ULTIMATE.start_main_~x~4)), 28728#(and (<= ULTIMATE.start_main_~x~4 5) (<= 5 ULTIMATE.start_main_~y~4) (<= 5 ULTIMATE.start_main_~x~4)), 28729#(and (<= ULTIMATE.start_main_~x~4 5) (<= 6 ULTIMATE.start_main_~y~4) (<= 5 ULTIMATE.start_main_~x~4)), 28730#(and (<= 6 ULTIMATE.start_main_~x~4) (<= 6 ULTIMATE.start_main_~y~4) (<= ULTIMATE.start_main_~x~4 6)), 28731#(and (<= 6 ULTIMATE.start_main_~x~4) (<= 7 ULTIMATE.start_main_~y~4) (<= ULTIMATE.start_main_~x~4 6)), 28732#(and (<= ULTIMATE.start_main_~x~4 7) (<= 7 ULTIMATE.start_main_~y~4) (<= 7 ULTIMATE.start_main_~x~4)), 28733#(and (<= ULTIMATE.start_main_~x~4 7) (<= 7 ULTIMATE.start_main_~x~4) (<= 8 ULTIMATE.start_main_~y~4)), 28734#(and (<= ULTIMATE.start_main_~x~4 8) (<= 8 ULTIMATE.start_main_~y~4) (<= 8 ULTIMATE.start_main_~x~4)), 28735#(and (<= ULTIMATE.start_main_~x~4 8) (<= 8 ULTIMATE.start_main_~x~4) (<= 9 ULTIMATE.start_main_~y~4)), 28736#(and (<= 9 ULTIMATE.start_main_~x~4) (<= ULTIMATE.start_main_~x~4 9) (<= 9 ULTIMATE.start_main_~y~4)), 28737#(and (<= 9 ULTIMATE.start_main_~x~4) (<= 10 ULTIMATE.start_main_~y~4) (<= ULTIMATE.start_main_~x~4 9)), 28738#(and (<= ULTIMATE.start_main_~x~4 10) (<= 10 ULTIMATE.start_main_~y~4) (<= 10 ULTIMATE.start_main_~x~4)), 28739#(and (<= ULTIMATE.start_main_~x~4 10) (<= 11 ULTIMATE.start_main_~y~4) (<= 10 ULTIMATE.start_main_~x~4)), 28740#(and (<= ULTIMATE.start_main_~x~4 11) (<= 11 ULTIMATE.start_main_~x~4) (<= 11 ULTIMATE.start_main_~y~4)), 28741#(and (<= ULTIMATE.start_main_~x~4 11) (<= 11 ULTIMATE.start_main_~x~4) (<= 12 ULTIMATE.start_main_~y~4)), 28742#(and (<= 12 ULTIMATE.start_main_~x~4) (<= 12 ULTIMATE.start_main_~y~4) (<= ULTIMATE.start_main_~x~4 12)), 28743#(and (<= 12 ULTIMATE.start_main_~x~4) (<= 13 ULTIMATE.start_main_~y~4) (<= ULTIMATE.start_main_~x~4 12)), 28744#(and (<= 13 ULTIMATE.start_main_~y~4) (<= ULTIMATE.start_main_~x~4 13) (<= 13 ULTIMATE.start_main_~x~4)), 28745#(and (<= 14 ULTIMATE.start_main_~y~4) (<= ULTIMATE.start_main_~x~4 13) (<= 13 ULTIMATE.start_main_~x~4)), 28746#(and (<= 14 ULTIMATE.start_main_~y~4) (<= 14 ULTIMATE.start_main_~x~4) (<= ULTIMATE.start_main_~x~4 14)), 28747#(and (<= 14 ULTIMATE.start_main_~x~4) (<= ULTIMATE.start_main_~x~4 14) (<= 15 ULTIMATE.start_main_~y~4)), 28748#(and (<= 15 ULTIMATE.start_main_~x~4) (<= 15 ULTIMATE.start_main_~y~4) (<= ULTIMATE.start_main_~x~4 15)), 28749#(and (<= 15 ULTIMATE.start_main_~x~4) (<= 16 ULTIMATE.start_main_~y~4) (<= ULTIMATE.start_main_~x~4 15)), 28750#(and (<= ULTIMATE.start_main_~x~4 16) (<= 16 ULTIMATE.start_main_~x~4) (<= 16 ULTIMATE.start_main_~y~4)), 28751#(and (<= ULTIMATE.start_main_~x~4 16) (<= 16 ULTIMATE.start_main_~x~4) (<= 17 ULTIMATE.start_main_~y~4)), 28752#(and (<= ULTIMATE.start_main_~x~4 17) (<= 17 ULTIMATE.start_main_~y~4) (<= 17 ULTIMATE.start_main_~x~4)), 28753#(and (<= 18 ULTIMATE.start_main_~y~4) (<= ULTIMATE.start_main_~x~4 17) (<= 17 ULTIMATE.start_main_~x~4)), 28754#(and (<= 18 ULTIMATE.start_main_~y~4) (<= 18 ULTIMATE.start_main_~x~4) (<= ULTIMATE.start_main_~x~4 18)), 28755#(and (<= 18 ULTIMATE.start_main_~x~4) (<= ULTIMATE.start_main_~x~4 18) (<= 19 ULTIMATE.start_main_~y~4)), 28756#(and (<= 19 ULTIMATE.start_main_~y~4) (<= 19 ULTIMATE.start_main_~x~4) (<= ULTIMATE.start_main_~x~4 19)), 28757#(and (<= 20 ULTIMATE.start_main_~y~4) (<= 19 ULTIMATE.start_main_~x~4) (<= ULTIMATE.start_main_~x~4 19)), 28758#(and (<= 20 ULTIMATE.start_main_~x~4) (<= 20 ULTIMATE.start_main_~y~4) (<= ULTIMATE.start_main_~x~4 20)), 28759#(and (<= 20 ULTIMATE.start_main_~x~4) (<= 21 ULTIMATE.start_main_~y~4) (<= ULTIMATE.start_main_~x~4 20)), 28760#(and (<= ULTIMATE.start_main_~x~4 21) (<= 21 ULTIMATE.start_main_~y~4) (<= 21 ULTIMATE.start_main_~x~4)), 28761#(and (<= ULTIMATE.start_main_~x~4 21) (<= 21 ULTIMATE.start_main_~x~4) (<= 22 ULTIMATE.start_main_~y~4)), 28762#(and (<= ULTIMATE.start_main_~x~4 22) (<= 22 ULTIMATE.start_main_~x~4) (<= 22 ULTIMATE.start_main_~y~4)), 28763#(and (<= 23 ULTIMATE.start_main_~y~4) (<= ULTIMATE.start_main_~x~4 22) (<= 22 ULTIMATE.start_main_~x~4)), 28764#(and (<= ULTIMATE.start_main_~x~4 23) (<= 23 ULTIMATE.start_main_~x~4) (<= 23 ULTIMATE.start_main_~y~4)), 28765#(and (<= ULTIMATE.start_main_~x~4 23) (<= 23 ULTIMATE.start_main_~x~4) (<= 24 ULTIMATE.start_main_~y~4)), 28766#(and (<= 24 ULTIMATE.start_main_~y~4) (<= ULTIMATE.start_main_~x~4 24) (<= 24 ULTIMATE.start_main_~x~4)), 28767#(and (<= 25 ULTIMATE.start_main_~y~4) (<= ULTIMATE.start_main_~x~4 24) (<= 24 ULTIMATE.start_main_~x~4)), 28768#(and (<= 25 ULTIMATE.start_main_~y~4) (<= ULTIMATE.start_main_~x~4 25) (<= 25 ULTIMATE.start_main_~x~4)), 28769#(and (<= ULTIMATE.start_main_~x~4 25) (<= 26 ULTIMATE.start_main_~y~4) (<= 25 ULTIMATE.start_main_~x~4)), 28770#(and (<= ULTIMATE.start_main_~x~4 26) (<= 26 ULTIMATE.start_main_~y~4) (<= 26 ULTIMATE.start_main_~x~4)), 28771#(and (<= ULTIMATE.start_main_~x~4 26) (<= 27 ULTIMATE.start_main_~y~4) (<= 26 ULTIMATE.start_main_~x~4)), 28772#(and (<= ULTIMATE.start_main_~x~4 27) (<= 27 ULTIMATE.start_main_~y~4) (<= 27 ULTIMATE.start_main_~x~4)), 28773#(and (<= ULTIMATE.start_main_~x~4 27) (<= 27 ULTIMATE.start_main_~x~4) (<= 28 ULTIMATE.start_main_~y~4)), 28774#(and (<= ULTIMATE.start_main_~x~4 28) (<= 28 ULTIMATE.start_main_~y~4) (<= 28 ULTIMATE.start_main_~x~4)), 28775#(and (<= ULTIMATE.start_main_~x~4 28) (<= 29 ULTIMATE.start_main_~y~4) (<= 28 ULTIMATE.start_main_~x~4)), 28776#(and (<= 29 ULTIMATE.start_main_~x~4) (<= 29 ULTIMATE.start_main_~y~4) (<= ULTIMATE.start_main_~x~4 29)), 28777#(and (<= 29 ULTIMATE.start_main_~x~4) (<= 30 ULTIMATE.start_main_~y~4) (<= ULTIMATE.start_main_~x~4 29)), 28778#(and (<= ULTIMATE.start_main_~x~4 30) (<= 30 ULTIMATE.start_main_~y~4) (<= 30 ULTIMATE.start_main_~x~4)), 28779#(and (<= ULTIMATE.start_main_~x~4 30) (<= 31 ULTIMATE.start_main_~y~4) (<= 30 ULTIMATE.start_main_~x~4)), 28780#(and (<= ULTIMATE.start_main_~x~4 31) (<= 31 ULTIMATE.start_main_~y~4) (<= 31 ULTIMATE.start_main_~x~4)), 28781#(and (<= ULTIMATE.start_main_~x~4 31) (<= 32 ULTIMATE.start_main_~y~4) (<= 31 ULTIMATE.start_main_~x~4)), 28782#(and (<= ULTIMATE.start_main_~x~4 32) (<= 32 ULTIMATE.start_main_~y~4) (<= 32 ULTIMATE.start_main_~x~4)), 28783#(and (<= ULTIMATE.start_main_~x~4 32) (<= 33 ULTIMATE.start_main_~y~4) (<= 32 ULTIMATE.start_main_~x~4)), 28784#(and (<= ULTIMATE.start_main_~x~4 33) (<= 33 ULTIMATE.start_main_~y~4) (<= 33 ULTIMATE.start_main_~x~4)), 28785#(and (<= ULTIMATE.start_main_~x~4 33) (<= 33 ULTIMATE.start_main_~x~4) (<= 34 ULTIMATE.start_main_~y~4)), 28786#(and (<= 34 ULTIMATE.start_main_~x~4) (<= ULTIMATE.start_main_~x~4 34) (<= 34 ULTIMATE.start_main_~y~4)), 28787#(and (<= 34 ULTIMATE.start_main_~x~4) (<= ULTIMATE.start_main_~x~4 34) (<= 35 ULTIMATE.start_main_~y~4)), 28788#(and (<= ULTIMATE.start_main_~x~4 35) (<= 35 ULTIMATE.start_main_~y~4) (<= 35 ULTIMATE.start_main_~x~4)), 28789#(and (<= ULTIMATE.start_main_~x~4 35) (<= 35 ULTIMATE.start_main_~x~4) (<= 36 ULTIMATE.start_main_~y~4)), 28790#(and (<= 36 ULTIMATE.start_main_~x~4) (<= ULTIMATE.start_main_~x~4 36) (<= 36 ULTIMATE.start_main_~y~4)), 28791#(and (<= 36 ULTIMATE.start_main_~x~4) (<= 37 ULTIMATE.start_main_~y~4) (<= ULTIMATE.start_main_~x~4 36)), 28792#(and (<= 37 ULTIMATE.start_main_~y~4) (<= ULTIMATE.start_main_~x~4 37) (<= 37 ULTIMATE.start_main_~x~4)), 28793#(and (<= ULTIMATE.start_main_~x~4 37) (<= 38 ULTIMATE.start_main_~y~4) (<= 37 ULTIMATE.start_main_~x~4)), 28794#(and (<= 38 ULTIMATE.start_main_~x~4) (<= ULTIMATE.start_main_~x~4 38) (<= 38 ULTIMATE.start_main_~y~4)), 28795#(and (<= 38 ULTIMATE.start_main_~x~4) (<= 39 ULTIMATE.start_main_~y~4) (<= ULTIMATE.start_main_~x~4 38)), 28796#(and (<= 39 ULTIMATE.start_main_~y~4) (<= ULTIMATE.start_main_~x~4 39) (<= 39 ULTIMATE.start_main_~x~4)), 28797#(and (<= ULTIMATE.start_main_~x~4 39) (<= 39 ULTIMATE.start_main_~x~4) (<= 40 ULTIMATE.start_main_~y~4)), 28798#(and (<= ULTIMATE.start_main_~x~4 40) (<= 40 ULTIMATE.start_main_~x~4) (<= 40 ULTIMATE.start_main_~y~4)), 28799#(and (<= ULTIMATE.start_main_~x~4 40) (<= 40 ULTIMATE.start_main_~x~4) (<= 41 ULTIMATE.start_main_~y~4)), 28800#(and (<= ULTIMATE.start_main_~x~4 41) (<= 41 ULTIMATE.start_main_~x~4) (<= 41 ULTIMATE.start_main_~y~4)), 28801#(and (<= ULTIMATE.start_main_~x~4 41) (<= 41 ULTIMATE.start_main_~x~4) (<= 42 ULTIMATE.start_main_~y~4)), 28802#(and (<= 42 ULTIMATE.start_main_~y~4) (<= ULTIMATE.start_main_~x~4 42) (<= 42 ULTIMATE.start_main_~x~4)), 28803#(and (<= 43 ULTIMATE.start_main_~y~4) (<= ULTIMATE.start_main_~x~4 42) (<= 42 ULTIMATE.start_main_~x~4)), 28804#(and (<= 43 ULTIMATE.start_main_~y~4) (<= ULTIMATE.start_main_~x~4 43) (<= 43 ULTIMATE.start_main_~x~4)), 28805#(and (<= ULTIMATE.start_main_~x~4 43) (<= 44 ULTIMATE.start_main_~y~4) (<= 43 ULTIMATE.start_main_~x~4)), 28806#(and (<= 44 ULTIMATE.start_main_~x~4) (<= ULTIMATE.start_main_~x~4 44) (<= 44 ULTIMATE.start_main_~y~4)), 28807#(and (<= 44 ULTIMATE.start_main_~x~4) (<= ULTIMATE.start_main_~x~4 44) (<= 45 ULTIMATE.start_main_~y~4)), 28808#(and (<= 45 ULTIMATE.start_main_~y~4) (<= 45 ULTIMATE.start_main_~x~4) (<= ULTIMATE.start_main_~x~4 45)), 28809#(and (<= 46 ULTIMATE.start_main_~y~4) (<= 45 ULTIMATE.start_main_~x~4) (<= ULTIMATE.start_main_~x~4 45)), 28810#(and (<= ULTIMATE.start_main_~x~4 46) (<= 46 ULTIMATE.start_main_~x~4) (<= 46 ULTIMATE.start_main_~y~4)), 28811#(and (<= ULTIMATE.start_main_~x~4 46) (<= 47 ULTIMATE.start_main_~y~4) (<= 46 ULTIMATE.start_main_~x~4)), 28812#(and (<= 47 ULTIMATE.start_main_~y~4) (<= 47 ULTIMATE.start_main_~x~4) (<= ULTIMATE.start_main_~x~4 47)), 28813#(and (<= 48 ULTIMATE.start_main_~y~4) (<= 47 ULTIMATE.start_main_~x~4) (<= ULTIMATE.start_main_~x~4 47)), 28814#(and (<= 48 ULTIMATE.start_main_~x~4) (<= 48 ULTIMATE.start_main_~y~4) (<= ULTIMATE.start_main_~x~4 48)), 28815#(and (<= 48 ULTIMATE.start_main_~x~4) (<= 49 ULTIMATE.start_main_~y~4) (<= ULTIMATE.start_main_~x~4 48)), 28816#(and (<= 49 ULTIMATE.start_main_~x~4) (<= 49 ULTIMATE.start_main_~y~4) (<= ULTIMATE.start_main_~x~4 49)), 28817#(and (<= 49 ULTIMATE.start_main_~x~4) (<= 50 ULTIMATE.start_main_~y~4)), 28818#(and (<= 50 ULTIMATE.start_main_~x~4) (<= 50 ULTIMATE.start_main_~y~4)), 28819#(and (<= 50 ULTIMATE.start_main_~x~4) (<= 49 ULTIMATE.start_main_~y~4)), 28820#(and (<= 51 ULTIMATE.start_main_~x~4) (<= 49 ULTIMATE.start_main_~y~4)), 28821#(and (<= 51 ULTIMATE.start_main_~x~4) (<= 48 ULTIMATE.start_main_~y~4)), 28822#(and (<= 52 ULTIMATE.start_main_~x~4) (<= 48 ULTIMATE.start_main_~y~4)), 28823#(and (<= 52 ULTIMATE.start_main_~x~4) (<= 47 ULTIMATE.start_main_~y~4)), 28824#(and (<= 47 ULTIMATE.start_main_~y~4) (<= 53 ULTIMATE.start_main_~x~4)), 28825#(and (<= 53 ULTIMATE.start_main_~x~4) (<= 46 ULTIMATE.start_main_~y~4)), 28826#(and (<= 54 ULTIMATE.start_main_~x~4) (<= 46 ULTIMATE.start_main_~y~4)), 28827#(and (<= 45 ULTIMATE.start_main_~y~4) (<= 54 ULTIMATE.start_main_~x~4)), 28828#(and (<= 45 ULTIMATE.start_main_~y~4) (<= 55 ULTIMATE.start_main_~x~4)), 28829#(and (<= 55 ULTIMATE.start_main_~x~4) (<= 44 ULTIMATE.start_main_~y~4)), 28830#(and (<= 56 ULTIMATE.start_main_~x~4) (<= 44 ULTIMATE.start_main_~y~4)), 28831#(and (<= 56 ULTIMATE.start_main_~x~4) (<= 43 ULTIMATE.start_main_~y~4)), 28832#(and (<= 43 ULTIMATE.start_main_~y~4) (<= 57 ULTIMATE.start_main_~x~4)), 28833#(and (<= 42 ULTIMATE.start_main_~y~4) (<= 57 ULTIMATE.start_main_~x~4)), 28834#(and (<= 58 ULTIMATE.start_main_~x~4) (<= 42 ULTIMATE.start_main_~y~4)), 28835#(and (<= 58 ULTIMATE.start_main_~x~4) (<= 41 ULTIMATE.start_main_~y~4)), 28836#(and (<= 41 ULTIMATE.start_main_~y~4) (<= 59 ULTIMATE.start_main_~x~4)), 28837#(and (<= 40 ULTIMATE.start_main_~y~4) (<= 59 ULTIMATE.start_main_~x~4)), 28838#(and (<= 60 ULTIMATE.start_main_~x~4) (<= 40 ULTIMATE.start_main_~y~4)), 28839#(and (<= 39 ULTIMATE.start_main_~y~4) (<= 60 ULTIMATE.start_main_~x~4)), 28840#(and (<= 61 ULTIMATE.start_main_~x~4) (<= 39 ULTIMATE.start_main_~y~4)), 28841#(and (<= 61 ULTIMATE.start_main_~x~4) (<= 38 ULTIMATE.start_main_~y~4)), 28842#(and (<= 38 ULTIMATE.start_main_~y~4) (<= 62 ULTIMATE.start_main_~x~4)), 28843#(and (<= 37 ULTIMATE.start_main_~y~4) (<= 62 ULTIMATE.start_main_~x~4)), 28844#(and (<= 63 ULTIMATE.start_main_~x~4) (<= 37 ULTIMATE.start_main_~y~4)), 28845#(and (<= 63 ULTIMATE.start_main_~x~4) (<= 36 ULTIMATE.start_main_~y~4)), 28846#(and (<= 64 ULTIMATE.start_main_~x~4) (<= 36 ULTIMATE.start_main_~y~4)), 28847#(and (<= 35 ULTIMATE.start_main_~y~4) (<= 64 ULTIMATE.start_main_~x~4)), 28848#(and (<= 35 ULTIMATE.start_main_~y~4) (<= 65 ULTIMATE.start_main_~x~4)), 28849#(and (<= 34 ULTIMATE.start_main_~y~4) (<= 65 ULTIMATE.start_main_~x~4)), 28850#(and (<= 66 ULTIMATE.start_main_~x~4) (<= 34 ULTIMATE.start_main_~y~4)), 28851#(and (<= 66 ULTIMATE.start_main_~x~4) (<= 33 ULTIMATE.start_main_~y~4)), 28852#(and (<= 67 ULTIMATE.start_main_~x~4) (<= 33 ULTIMATE.start_main_~y~4)), 28853#(and (<= 67 ULTIMATE.start_main_~x~4) (<= 32 ULTIMATE.start_main_~y~4)), 28854#(and (<= 32 ULTIMATE.start_main_~y~4) (<= 68 ULTIMATE.start_main_~x~4)), 28855#(and (<= 31 ULTIMATE.start_main_~y~4) (<= 68 ULTIMATE.start_main_~x~4)), 28856#(and (<= 31 ULTIMATE.start_main_~y~4) (<= 69 ULTIMATE.start_main_~x~4)), 28857#(and (<= 30 ULTIMATE.start_main_~y~4) (<= 69 ULTIMATE.start_main_~x~4)), 28858#(and (<= 70 ULTIMATE.start_main_~x~4) (<= 30 ULTIMATE.start_main_~y~4)), 28859#(<= 29 ULTIMATE.start_main_~y~4), 28860#(<= 1 ULTIMATE.start_main_~y~4)] [2018-07-23 13:41:41,406 INFO L134 CoverageAnalysis]: Checked inductivity of 5112 backedges. 0 proven. 5112 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2018-07-23 13:41:41,406 INFO L450 AbstractCegarLoop]: Interpolant automaton has 145 states [2018-07-23 13:41:41,406 INFO L132 InterpolantAutomaton]: Constructing interpolant automaton starting with 145 interpolants. [2018-07-23 13:41:41,406 INFO L133 InterpolantAutomaton]: CoverageRelationStatistics Valid=602, Invalid=20278, Unknown=0, NotChecked=0, Total=20880 [2018-07-23 13:41:41,407 INFO L87 Difference]: Start difference. First operand 147 states and 147 transitions. Second operand 145 states. [2018-07-23 13:41:42,191 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2018-07-23 13:41:42,192 INFO L93 Difference]: Finished difference Result 152 states and 152 transitions. [2018-07-23 13:41:42,192 INFO L142 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 145 states. [2018-07-23 13:41:42,192 INFO L78 Accepts]: Start accepts. Automaton has 145 states. Word has length 146 [2018-07-23 13:41:42,192 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2018-07-23 13:41:42,193 INFO L225 Difference]: With dead ends: 152 [2018-07-23 13:41:42,193 INFO L226 Difference]: Without dead ends: 150 [2018-07-23 13:41:42,194 INFO L575 BasicCegarLoop]: 0 DeclaredPredicates, 146 GetRequests, 1 SyntacticMatches, 1 SemanticMatches, 144 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 5709 ImplicationChecksByTransitivity, 0.9s TimeCoverageRelationStatistics Valid=608, Invalid=20562, Unknown=0, NotChecked=0, Total=21170 [2018-07-23 13:41:42,194 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 150 states. [2018-07-23 13:41:42,208 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 150 to 149. [2018-07-23 13:41:42,208 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 149 states. [2018-07-23 13:41:42,209 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 149 states to 149 states and 149 transitions. [2018-07-23 13:41:42,209 INFO L78 Accepts]: Start accepts. Automaton has 149 states and 149 transitions. Word has length 146 [2018-07-23 13:41:42,209 INFO L84 Accepts]: Finished accepts. word is rejected. [2018-07-23 13:41:42,209 INFO L471 AbstractCegarLoop]: Abstraction has 149 states and 149 transitions. [2018-07-23 13:41:42,209 INFO L472 AbstractCegarLoop]: Interpolant automaton has 145 states. [2018-07-23 13:41:42,209 INFO L276 IsEmpty]: Start isEmpty. Operand 149 states and 149 transitions. [2018-07-23 13:41:42,210 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 149 [2018-07-23 13:41:42,210 INFO L349 BasicCegarLoop]: Found error trace [2018-07-23 13:41:42,210 INFO L357 BasicCegarLoop]: trace histogram [73, 72, 1, 1, 1] [2018-07-23 13:41:42,211 INFO L414 AbstractCegarLoop]: === Iteration 73 === [ULTIMATE.startErr0AssertViolationASSERT]=== [2018-07-23 13:41:42,211 INFO L82 PathProgramCache]: Analyzing trace with hash 2132166888, now seen corresponding path program 72 times [2018-07-23 13:41:42,211 INFO L69 tionRefinementEngine]: Using refinement strategy FixedRefinementStrategy [2018-07-23 13:41:42,231 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-07-23 13:41:43,219 INFO L134 CoverageAnalysis]: Checked inductivity of 5256 backedges. 0 proven. 5256 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2018-07-23 13:41:43,219 INFO L309 seRefinementStrategy]: Constructing automaton from 0 perfect and 1 imperfect interpolant sequences. [2018-07-23 13:41:43,220 INFO L324 seRefinementStrategy]: Number of different interpolants: perfect sequences [] imperfect sequences [146] total 146 [2018-07-23 13:41:43,220 INFO L142 lantAutomatonBuilder]: Constructing canonical interpolant automaton, with selfloop in false state [2018-07-23 13:41:43,220 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2018-07-23 13:41:43,221 INFO L185 omatonBuilderFactory]: Interpolants [29465#true, 29466#false, 29467#(and (<= 0 ULTIMATE.start_main_~y~4) (<= ULTIMATE.start_main_~x~4 0) (<= 0 ULTIMATE.start_main_~x~4)), 29468#(and (<= ULTIMATE.start_main_~x~4 0) (<= 0 ULTIMATE.start_main_~x~4) (<= 1 ULTIMATE.start_main_~y~4)), 29469#(and (<= ULTIMATE.start_main_~x~4 1) (<= 1 ULTIMATE.start_main_~y~4) (<= 1 ULTIMATE.start_main_~x~4)), 29470#(and (<= 2 ULTIMATE.start_main_~y~4) (<= ULTIMATE.start_main_~x~4 1) (<= 1 ULTIMATE.start_main_~x~4)), 29471#(and (<= 2 ULTIMATE.start_main_~y~4) (<= 2 ULTIMATE.start_main_~x~4) (<= ULTIMATE.start_main_~x~4 2)), 29472#(and (<= 3 ULTIMATE.start_main_~y~4) (<= 2 ULTIMATE.start_main_~x~4) (<= ULTIMATE.start_main_~x~4 2)), 29473#(and (<= 3 ULTIMATE.start_main_~x~4) (<= 3 ULTIMATE.start_main_~y~4) (<= ULTIMATE.start_main_~x~4 3)), 29474#(and (<= 3 ULTIMATE.start_main_~x~4) (<= 4 ULTIMATE.start_main_~y~4) (<= ULTIMATE.start_main_~x~4 3)), 29475#(and (<= 4 ULTIMATE.start_main_~y~4) (<= ULTIMATE.start_main_~x~4 4) (<= 4 ULTIMATE.start_main_~x~4)), 29476#(and (<= 5 ULTIMATE.start_main_~y~4) (<= ULTIMATE.start_main_~x~4 4) (<= 4 ULTIMATE.start_main_~x~4)), 29477#(and (<= ULTIMATE.start_main_~x~4 5) (<= 5 ULTIMATE.start_main_~y~4) (<= 5 ULTIMATE.start_main_~x~4)), 29478#(and (<= ULTIMATE.start_main_~x~4 5) (<= 6 ULTIMATE.start_main_~y~4) (<= 5 ULTIMATE.start_main_~x~4)), 29479#(and (<= 6 ULTIMATE.start_main_~x~4) (<= 6 ULTIMATE.start_main_~y~4) (<= ULTIMATE.start_main_~x~4 6)), 29480#(and (<= 6 ULTIMATE.start_main_~x~4) (<= 7 ULTIMATE.start_main_~y~4) (<= ULTIMATE.start_main_~x~4 6)), 29481#(and (<= ULTIMATE.start_main_~x~4 7) (<= 7 ULTIMATE.start_main_~y~4) (<= 7 ULTIMATE.start_main_~x~4)), 29482#(and (<= ULTIMATE.start_main_~x~4 7) (<= 7 ULTIMATE.start_main_~x~4) (<= 8 ULTIMATE.start_main_~y~4)), 29483#(and (<= ULTIMATE.start_main_~x~4 8) (<= 8 ULTIMATE.start_main_~y~4) (<= 8 ULTIMATE.start_main_~x~4)), 29484#(and (<= ULTIMATE.start_main_~x~4 8) (<= 8 ULTIMATE.start_main_~x~4) (<= 9 ULTIMATE.start_main_~y~4)), 29485#(and (<= 9 ULTIMATE.start_main_~x~4) (<= ULTIMATE.start_main_~x~4 9) (<= 9 ULTIMATE.start_main_~y~4)), 29486#(and (<= 9 ULTIMATE.start_main_~x~4) (<= 10 ULTIMATE.start_main_~y~4) (<= ULTIMATE.start_main_~x~4 9)), 29487#(and (<= ULTIMATE.start_main_~x~4 10) (<= 10 ULTIMATE.start_main_~y~4) (<= 10 ULTIMATE.start_main_~x~4)), 29488#(and (<= ULTIMATE.start_main_~x~4 10) (<= 11 ULTIMATE.start_main_~y~4) (<= 10 ULTIMATE.start_main_~x~4)), 29489#(and (<= ULTIMATE.start_main_~x~4 11) (<= 11 ULTIMATE.start_main_~x~4) (<= 11 ULTIMATE.start_main_~y~4)), 29490#(and (<= ULTIMATE.start_main_~x~4 11) (<= 11 ULTIMATE.start_main_~x~4) (<= 12 ULTIMATE.start_main_~y~4)), 29491#(and (<= 12 ULTIMATE.start_main_~x~4) (<= 12 ULTIMATE.start_main_~y~4) (<= ULTIMATE.start_main_~x~4 12)), 29492#(and (<= 12 ULTIMATE.start_main_~x~4) (<= 13 ULTIMATE.start_main_~y~4) (<= ULTIMATE.start_main_~x~4 12)), 29493#(and (<= 13 ULTIMATE.start_main_~y~4) (<= ULTIMATE.start_main_~x~4 13) (<= 13 ULTIMATE.start_main_~x~4)), 29494#(and (<= 14 ULTIMATE.start_main_~y~4) (<= ULTIMATE.start_main_~x~4 13) (<= 13 ULTIMATE.start_main_~x~4)), 29495#(and (<= 14 ULTIMATE.start_main_~y~4) (<= 14 ULTIMATE.start_main_~x~4) (<= ULTIMATE.start_main_~x~4 14)), 29496#(and (<= 14 ULTIMATE.start_main_~x~4) (<= ULTIMATE.start_main_~x~4 14) (<= 15 ULTIMATE.start_main_~y~4)), 29497#(and (<= 15 ULTIMATE.start_main_~x~4) (<= 15 ULTIMATE.start_main_~y~4) (<= ULTIMATE.start_main_~x~4 15)), 29498#(and (<= 15 ULTIMATE.start_main_~x~4) (<= 16 ULTIMATE.start_main_~y~4) (<= ULTIMATE.start_main_~x~4 15)), 29499#(and (<= ULTIMATE.start_main_~x~4 16) (<= 16 ULTIMATE.start_main_~x~4) (<= 16 ULTIMATE.start_main_~y~4)), 29500#(and (<= ULTIMATE.start_main_~x~4 16) (<= 16 ULTIMATE.start_main_~x~4) (<= 17 ULTIMATE.start_main_~y~4)), 29501#(and (<= ULTIMATE.start_main_~x~4 17) (<= 17 ULTIMATE.start_main_~y~4) (<= 17 ULTIMATE.start_main_~x~4)), 29502#(and (<= 18 ULTIMATE.start_main_~y~4) (<= ULTIMATE.start_main_~x~4 17) (<= 17 ULTIMATE.start_main_~x~4)), 29503#(and (<= 18 ULTIMATE.start_main_~y~4) (<= 18 ULTIMATE.start_main_~x~4) (<= ULTIMATE.start_main_~x~4 18)), 29504#(and (<= 18 ULTIMATE.start_main_~x~4) (<= ULTIMATE.start_main_~x~4 18) (<= 19 ULTIMATE.start_main_~y~4)), 29505#(and (<= 19 ULTIMATE.start_main_~y~4) (<= 19 ULTIMATE.start_main_~x~4) (<= ULTIMATE.start_main_~x~4 19)), 29506#(and (<= 20 ULTIMATE.start_main_~y~4) (<= 19 ULTIMATE.start_main_~x~4) (<= ULTIMATE.start_main_~x~4 19)), 29507#(and (<= 20 ULTIMATE.start_main_~x~4) (<= 20 ULTIMATE.start_main_~y~4) (<= ULTIMATE.start_main_~x~4 20)), 29508#(and (<= 20 ULTIMATE.start_main_~x~4) (<= 21 ULTIMATE.start_main_~y~4) (<= ULTIMATE.start_main_~x~4 20)), 29509#(and (<= ULTIMATE.start_main_~x~4 21) (<= 21 ULTIMATE.start_main_~y~4) (<= 21 ULTIMATE.start_main_~x~4)), 29510#(and (<= ULTIMATE.start_main_~x~4 21) (<= 21 ULTIMATE.start_main_~x~4) (<= 22 ULTIMATE.start_main_~y~4)), 29511#(and (<= ULTIMATE.start_main_~x~4 22) (<= 22 ULTIMATE.start_main_~x~4) (<= 22 ULTIMATE.start_main_~y~4)), 29512#(and (<= 23 ULTIMATE.start_main_~y~4) (<= ULTIMATE.start_main_~x~4 22) (<= 22 ULTIMATE.start_main_~x~4)), 29513#(and (<= ULTIMATE.start_main_~x~4 23) (<= 23 ULTIMATE.start_main_~x~4) (<= 23 ULTIMATE.start_main_~y~4)), 29514#(and (<= ULTIMATE.start_main_~x~4 23) (<= 23 ULTIMATE.start_main_~x~4) (<= 24 ULTIMATE.start_main_~y~4)), 29515#(and (<= 24 ULTIMATE.start_main_~y~4) (<= ULTIMATE.start_main_~x~4 24) (<= 24 ULTIMATE.start_main_~x~4)), 29516#(and (<= 25 ULTIMATE.start_main_~y~4) (<= ULTIMATE.start_main_~x~4 24) (<= 24 ULTIMATE.start_main_~x~4)), 29517#(and (<= 25 ULTIMATE.start_main_~y~4) (<= ULTIMATE.start_main_~x~4 25) (<= 25 ULTIMATE.start_main_~x~4)), 29518#(and (<= ULTIMATE.start_main_~x~4 25) (<= 26 ULTIMATE.start_main_~y~4) (<= 25 ULTIMATE.start_main_~x~4)), 29519#(and (<= ULTIMATE.start_main_~x~4 26) (<= 26 ULTIMATE.start_main_~y~4) (<= 26 ULTIMATE.start_main_~x~4)), 29520#(and (<= ULTIMATE.start_main_~x~4 26) (<= 27 ULTIMATE.start_main_~y~4) (<= 26 ULTIMATE.start_main_~x~4)), 29521#(and (<= ULTIMATE.start_main_~x~4 27) (<= 27 ULTIMATE.start_main_~y~4) (<= 27 ULTIMATE.start_main_~x~4)), 29522#(and (<= ULTIMATE.start_main_~x~4 27) (<= 27 ULTIMATE.start_main_~x~4) (<= 28 ULTIMATE.start_main_~y~4)), 29523#(and (<= ULTIMATE.start_main_~x~4 28) (<= 28 ULTIMATE.start_main_~y~4) (<= 28 ULTIMATE.start_main_~x~4)), 29524#(and (<= ULTIMATE.start_main_~x~4 28) (<= 29 ULTIMATE.start_main_~y~4) (<= 28 ULTIMATE.start_main_~x~4)), 29525#(and (<= 29 ULTIMATE.start_main_~x~4) (<= 29 ULTIMATE.start_main_~y~4) (<= ULTIMATE.start_main_~x~4 29)), 29526#(and (<= 29 ULTIMATE.start_main_~x~4) (<= 30 ULTIMATE.start_main_~y~4) (<= ULTIMATE.start_main_~x~4 29)), 29527#(and (<= ULTIMATE.start_main_~x~4 30) (<= 30 ULTIMATE.start_main_~y~4) (<= 30 ULTIMATE.start_main_~x~4)), 29528#(and (<= ULTIMATE.start_main_~x~4 30) (<= 31 ULTIMATE.start_main_~y~4) (<= 30 ULTIMATE.start_main_~x~4)), 29529#(and (<= ULTIMATE.start_main_~x~4 31) (<= 31 ULTIMATE.start_main_~y~4) (<= 31 ULTIMATE.start_main_~x~4)), 29530#(and (<= ULTIMATE.start_main_~x~4 31) (<= 32 ULTIMATE.start_main_~y~4) (<= 31 ULTIMATE.start_main_~x~4)), 29531#(and (<= ULTIMATE.start_main_~x~4 32) (<= 32 ULTIMATE.start_main_~y~4) (<= 32 ULTIMATE.start_main_~x~4)), 29532#(and (<= ULTIMATE.start_main_~x~4 32) (<= 33 ULTIMATE.start_main_~y~4) (<= 32 ULTIMATE.start_main_~x~4)), 29533#(and (<= ULTIMATE.start_main_~x~4 33) (<= 33 ULTIMATE.start_main_~y~4) (<= 33 ULTIMATE.start_main_~x~4)), 29534#(and (<= ULTIMATE.start_main_~x~4 33) (<= 33 ULTIMATE.start_main_~x~4) (<= 34 ULTIMATE.start_main_~y~4)), 29535#(and (<= 34 ULTIMATE.start_main_~x~4) (<= ULTIMATE.start_main_~x~4 34) (<= 34 ULTIMATE.start_main_~y~4)), 29536#(and (<= 34 ULTIMATE.start_main_~x~4) (<= ULTIMATE.start_main_~x~4 34) (<= 35 ULTIMATE.start_main_~y~4)), 29537#(and (<= ULTIMATE.start_main_~x~4 35) (<= 35 ULTIMATE.start_main_~y~4) (<= 35 ULTIMATE.start_main_~x~4)), 29538#(and (<= ULTIMATE.start_main_~x~4 35) (<= 35 ULTIMATE.start_main_~x~4) (<= 36 ULTIMATE.start_main_~y~4)), 29539#(and (<= 36 ULTIMATE.start_main_~x~4) (<= ULTIMATE.start_main_~x~4 36) (<= 36 ULTIMATE.start_main_~y~4)), 29540#(and (<= 36 ULTIMATE.start_main_~x~4) (<= 37 ULTIMATE.start_main_~y~4) (<= ULTIMATE.start_main_~x~4 36)), 29541#(and (<= 37 ULTIMATE.start_main_~y~4) (<= ULTIMATE.start_main_~x~4 37) (<= 37 ULTIMATE.start_main_~x~4)), 29542#(and (<= ULTIMATE.start_main_~x~4 37) (<= 38 ULTIMATE.start_main_~y~4) (<= 37 ULTIMATE.start_main_~x~4)), 29543#(and (<= 38 ULTIMATE.start_main_~x~4) (<= ULTIMATE.start_main_~x~4 38) (<= 38 ULTIMATE.start_main_~y~4)), 29544#(and (<= 38 ULTIMATE.start_main_~x~4) (<= 39 ULTIMATE.start_main_~y~4) (<= ULTIMATE.start_main_~x~4 38)), 29545#(and (<= 39 ULTIMATE.start_main_~y~4) (<= ULTIMATE.start_main_~x~4 39) (<= 39 ULTIMATE.start_main_~x~4)), 29546#(and (<= ULTIMATE.start_main_~x~4 39) (<= 39 ULTIMATE.start_main_~x~4) (<= 40 ULTIMATE.start_main_~y~4)), 29547#(and (<= ULTIMATE.start_main_~x~4 40) (<= 40 ULTIMATE.start_main_~x~4) (<= 40 ULTIMATE.start_main_~y~4)), 29548#(and (<= ULTIMATE.start_main_~x~4 40) (<= 40 ULTIMATE.start_main_~x~4) (<= 41 ULTIMATE.start_main_~y~4)), 29549#(and (<= ULTIMATE.start_main_~x~4 41) (<= 41 ULTIMATE.start_main_~x~4) (<= 41 ULTIMATE.start_main_~y~4)), 29550#(and (<= ULTIMATE.start_main_~x~4 41) (<= 41 ULTIMATE.start_main_~x~4) (<= 42 ULTIMATE.start_main_~y~4)), 29551#(and (<= 42 ULTIMATE.start_main_~y~4) (<= ULTIMATE.start_main_~x~4 42) (<= 42 ULTIMATE.start_main_~x~4)), 29552#(and (<= 43 ULTIMATE.start_main_~y~4) (<= ULTIMATE.start_main_~x~4 42) (<= 42 ULTIMATE.start_main_~x~4)), 29553#(and (<= 43 ULTIMATE.start_main_~y~4) (<= ULTIMATE.start_main_~x~4 43) (<= 43 ULTIMATE.start_main_~x~4)), 29554#(and (<= ULTIMATE.start_main_~x~4 43) (<= 44 ULTIMATE.start_main_~y~4) (<= 43 ULTIMATE.start_main_~x~4)), 29555#(and (<= 44 ULTIMATE.start_main_~x~4) (<= ULTIMATE.start_main_~x~4 44) (<= 44 ULTIMATE.start_main_~y~4)), 29556#(and (<= 44 ULTIMATE.start_main_~x~4) (<= ULTIMATE.start_main_~x~4 44) (<= 45 ULTIMATE.start_main_~y~4)), 29557#(and (<= 45 ULTIMATE.start_main_~y~4) (<= 45 ULTIMATE.start_main_~x~4) (<= ULTIMATE.start_main_~x~4 45)), 29558#(and (<= 46 ULTIMATE.start_main_~y~4) (<= 45 ULTIMATE.start_main_~x~4) (<= ULTIMATE.start_main_~x~4 45)), 29559#(and (<= ULTIMATE.start_main_~x~4 46) (<= 46 ULTIMATE.start_main_~x~4) (<= 46 ULTIMATE.start_main_~y~4)), 29560#(and (<= ULTIMATE.start_main_~x~4 46) (<= 47 ULTIMATE.start_main_~y~4) (<= 46 ULTIMATE.start_main_~x~4)), 29561#(and (<= 47 ULTIMATE.start_main_~y~4) (<= 47 ULTIMATE.start_main_~x~4) (<= ULTIMATE.start_main_~x~4 47)), 29562#(and (<= 48 ULTIMATE.start_main_~y~4) (<= 47 ULTIMATE.start_main_~x~4) (<= ULTIMATE.start_main_~x~4 47)), 29563#(and (<= 48 ULTIMATE.start_main_~x~4) (<= 48 ULTIMATE.start_main_~y~4) (<= ULTIMATE.start_main_~x~4 48)), 29564#(and (<= 48 ULTIMATE.start_main_~x~4) (<= 49 ULTIMATE.start_main_~y~4) (<= ULTIMATE.start_main_~x~4 48)), 29565#(and (<= 49 ULTIMATE.start_main_~x~4) (<= 49 ULTIMATE.start_main_~y~4) (<= ULTIMATE.start_main_~x~4 49)), 29566#(and (<= 49 ULTIMATE.start_main_~x~4) (<= 50 ULTIMATE.start_main_~y~4)), 29567#(and (<= 50 ULTIMATE.start_main_~x~4) (<= 50 ULTIMATE.start_main_~y~4)), 29568#(and (<= 50 ULTIMATE.start_main_~x~4) (<= 49 ULTIMATE.start_main_~y~4)), 29569#(and (<= 51 ULTIMATE.start_main_~x~4) (<= 49 ULTIMATE.start_main_~y~4)), 29570#(and (<= 51 ULTIMATE.start_main_~x~4) (<= 48 ULTIMATE.start_main_~y~4)), 29571#(and (<= 52 ULTIMATE.start_main_~x~4) (<= 48 ULTIMATE.start_main_~y~4)), 29572#(and (<= 52 ULTIMATE.start_main_~x~4) (<= 47 ULTIMATE.start_main_~y~4)), 29573#(and (<= 47 ULTIMATE.start_main_~y~4) (<= 53 ULTIMATE.start_main_~x~4)), 29574#(and (<= 53 ULTIMATE.start_main_~x~4) (<= 46 ULTIMATE.start_main_~y~4)), 29575#(and (<= 54 ULTIMATE.start_main_~x~4) (<= 46 ULTIMATE.start_main_~y~4)), 29576#(and (<= 45 ULTIMATE.start_main_~y~4) (<= 54 ULTIMATE.start_main_~x~4)), 29577#(and (<= 45 ULTIMATE.start_main_~y~4) (<= 55 ULTIMATE.start_main_~x~4)), 29578#(and (<= 55 ULTIMATE.start_main_~x~4) (<= 44 ULTIMATE.start_main_~y~4)), 29579#(and (<= 56 ULTIMATE.start_main_~x~4) (<= 44 ULTIMATE.start_main_~y~4)), 29580#(and (<= 56 ULTIMATE.start_main_~x~4) (<= 43 ULTIMATE.start_main_~y~4)), 29581#(and (<= 43 ULTIMATE.start_main_~y~4) (<= 57 ULTIMATE.start_main_~x~4)), 29582#(and (<= 42 ULTIMATE.start_main_~y~4) (<= 57 ULTIMATE.start_main_~x~4)), 29583#(and (<= 58 ULTIMATE.start_main_~x~4) (<= 42 ULTIMATE.start_main_~y~4)), 29584#(and (<= 58 ULTIMATE.start_main_~x~4) (<= 41 ULTIMATE.start_main_~y~4)), 29585#(and (<= 41 ULTIMATE.start_main_~y~4) (<= 59 ULTIMATE.start_main_~x~4)), 29586#(and (<= 40 ULTIMATE.start_main_~y~4) (<= 59 ULTIMATE.start_main_~x~4)), 29587#(and (<= 60 ULTIMATE.start_main_~x~4) (<= 40 ULTIMATE.start_main_~y~4)), 29588#(and (<= 39 ULTIMATE.start_main_~y~4) (<= 60 ULTIMATE.start_main_~x~4)), 29589#(and (<= 61 ULTIMATE.start_main_~x~4) (<= 39 ULTIMATE.start_main_~y~4)), 29590#(and (<= 61 ULTIMATE.start_main_~x~4) (<= 38 ULTIMATE.start_main_~y~4)), 29591#(and (<= 38 ULTIMATE.start_main_~y~4) (<= 62 ULTIMATE.start_main_~x~4)), 29592#(and (<= 37 ULTIMATE.start_main_~y~4) (<= 62 ULTIMATE.start_main_~x~4)), 29593#(and (<= 63 ULTIMATE.start_main_~x~4) (<= 37 ULTIMATE.start_main_~y~4)), 29594#(and (<= 63 ULTIMATE.start_main_~x~4) (<= 36 ULTIMATE.start_main_~y~4)), 29595#(and (<= 64 ULTIMATE.start_main_~x~4) (<= 36 ULTIMATE.start_main_~y~4)), 29596#(and (<= 35 ULTIMATE.start_main_~y~4) (<= 64 ULTIMATE.start_main_~x~4)), 29597#(and (<= 35 ULTIMATE.start_main_~y~4) (<= 65 ULTIMATE.start_main_~x~4)), 29598#(and (<= 34 ULTIMATE.start_main_~y~4) (<= 65 ULTIMATE.start_main_~x~4)), 29599#(and (<= 66 ULTIMATE.start_main_~x~4) (<= 34 ULTIMATE.start_main_~y~4)), 29600#(and (<= 66 ULTIMATE.start_main_~x~4) (<= 33 ULTIMATE.start_main_~y~4)), 29601#(and (<= 67 ULTIMATE.start_main_~x~4) (<= 33 ULTIMATE.start_main_~y~4)), 29602#(and (<= 67 ULTIMATE.start_main_~x~4) (<= 32 ULTIMATE.start_main_~y~4)), 29603#(and (<= 32 ULTIMATE.start_main_~y~4) (<= 68 ULTIMATE.start_main_~x~4)), 29604#(and (<= 31 ULTIMATE.start_main_~y~4) (<= 68 ULTIMATE.start_main_~x~4)), 29605#(and (<= 31 ULTIMATE.start_main_~y~4) (<= 69 ULTIMATE.start_main_~x~4)), 29606#(and (<= 30 ULTIMATE.start_main_~y~4) (<= 69 ULTIMATE.start_main_~x~4)), 29607#(and (<= 70 ULTIMATE.start_main_~x~4) (<= 30 ULTIMATE.start_main_~y~4)), 29608#(and (<= 70 ULTIMATE.start_main_~x~4) (<= 29 ULTIMATE.start_main_~y~4)), 29609#(and (<= 71 ULTIMATE.start_main_~x~4) (<= 29 ULTIMATE.start_main_~y~4)), 29610#(<= 28 ULTIMATE.start_main_~y~4), 29611#(<= 1 ULTIMATE.start_main_~y~4)] [2018-07-23 13:41:43,221 INFO L134 CoverageAnalysis]: Checked inductivity of 5256 backedges. 0 proven. 5256 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2018-07-23 13:41:43,222 INFO L450 AbstractCegarLoop]: Interpolant automaton has 147 states [2018-07-23 13:41:43,222 INFO L132 InterpolantAutomaton]: Constructing interpolant automaton starting with 147 interpolants. [2018-07-23 13:41:43,223 INFO L133 InterpolantAutomaton]: CoverageRelationStatistics Valid=614, Invalid=20848, Unknown=0, NotChecked=0, Total=21462 [2018-07-23 13:41:43,223 INFO L87 Difference]: Start difference. First operand 149 states and 149 transitions. Second operand 147 states. [2018-07-23 13:41:44,084 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2018-07-23 13:41:44,084 INFO L93 Difference]: Finished difference Result 154 states and 154 transitions. [2018-07-23 13:41:44,084 INFO L142 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 147 states. [2018-07-23 13:41:44,084 INFO L78 Accepts]: Start accepts. Automaton has 147 states. Word has length 148 [2018-07-23 13:41:44,085 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2018-07-23 13:41:44,085 INFO L225 Difference]: With dead ends: 154 [2018-07-23 13:41:44,086 INFO L226 Difference]: Without dead ends: 152 [2018-07-23 13:41:44,087 INFO L575 BasicCegarLoop]: 0 DeclaredPredicates, 148 GetRequests, 1 SyntacticMatches, 1 SemanticMatches, 146 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 5899 ImplicationChecksByTransitivity, 0.8s TimeCoverageRelationStatistics Valid=620, Invalid=21136, Unknown=0, NotChecked=0, Total=21756 [2018-07-23 13:41:44,087 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 152 states. [2018-07-23 13:41:44,102 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 152 to 151. [2018-07-23 13:41:44,102 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 151 states. [2018-07-23 13:41:44,102 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 151 states to 151 states and 151 transitions. [2018-07-23 13:41:44,102 INFO L78 Accepts]: Start accepts. Automaton has 151 states and 151 transitions. Word has length 148 [2018-07-23 13:41:44,103 INFO L84 Accepts]: Finished accepts. word is rejected. [2018-07-23 13:41:44,103 INFO L471 AbstractCegarLoop]: Abstraction has 151 states and 151 transitions. [2018-07-23 13:41:44,103 INFO L472 AbstractCegarLoop]: Interpolant automaton has 147 states. [2018-07-23 13:41:44,103 INFO L276 IsEmpty]: Start isEmpty. Operand 151 states and 151 transitions. [2018-07-23 13:41:44,103 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 151 [2018-07-23 13:41:44,104 INFO L349 BasicCegarLoop]: Found error trace [2018-07-23 13:41:44,104 INFO L357 BasicCegarLoop]: trace histogram [74, 73, 1, 1, 1] [2018-07-23 13:41:44,104 INFO L414 AbstractCegarLoop]: === Iteration 74 === [ULTIMATE.startErr0AssertViolationASSERT]=== [2018-07-23 13:41:44,104 INFO L82 PathProgramCache]: Analyzing trace with hash 313042958, now seen corresponding path program 73 times [2018-07-23 13:41:44,104 INFO L69 tionRefinementEngine]: Using refinement strategy FixedRefinementStrategy [2018-07-23 13:41:44,127 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-07-23 13:41:45,134 INFO L134 CoverageAnalysis]: Checked inductivity of 5402 backedges. 0 proven. 5402 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2018-07-23 13:41:45,134 INFO L309 seRefinementStrategy]: Constructing automaton from 0 perfect and 1 imperfect interpolant sequences. [2018-07-23 13:41:45,134 INFO L324 seRefinementStrategy]: Number of different interpolants: perfect sequences [] imperfect sequences [148] total 148 [2018-07-23 13:41:45,135 INFO L142 lantAutomatonBuilder]: Constructing canonical interpolant automaton, with selfloop in false state [2018-07-23 13:41:45,135 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2018-07-23 13:41:45,136 INFO L185 omatonBuilderFactory]: Interpolants [30224#true, 30225#false, 30226#(and (<= 0 ULTIMATE.start_main_~y~4) (<= ULTIMATE.start_main_~x~4 0) (<= 0 ULTIMATE.start_main_~x~4)), 30227#(and (<= ULTIMATE.start_main_~x~4 0) (<= 0 ULTIMATE.start_main_~x~4) (<= 1 ULTIMATE.start_main_~y~4)), 30228#(and (<= ULTIMATE.start_main_~x~4 1) (<= 1 ULTIMATE.start_main_~y~4) (<= 1 ULTIMATE.start_main_~x~4)), 30229#(and (<= 2 ULTIMATE.start_main_~y~4) (<= ULTIMATE.start_main_~x~4 1) (<= 1 ULTIMATE.start_main_~x~4)), 30230#(and (<= 2 ULTIMATE.start_main_~y~4) (<= 2 ULTIMATE.start_main_~x~4) (<= ULTIMATE.start_main_~x~4 2)), 30231#(and (<= 3 ULTIMATE.start_main_~y~4) (<= 2 ULTIMATE.start_main_~x~4) (<= ULTIMATE.start_main_~x~4 2)), 30232#(and (<= 3 ULTIMATE.start_main_~x~4) (<= 3 ULTIMATE.start_main_~y~4) (<= ULTIMATE.start_main_~x~4 3)), 30233#(and (<= 3 ULTIMATE.start_main_~x~4) (<= 4 ULTIMATE.start_main_~y~4) (<= ULTIMATE.start_main_~x~4 3)), 30234#(and (<= 4 ULTIMATE.start_main_~y~4) (<= ULTIMATE.start_main_~x~4 4) (<= 4 ULTIMATE.start_main_~x~4)), 30235#(and (<= 5 ULTIMATE.start_main_~y~4) (<= ULTIMATE.start_main_~x~4 4) (<= 4 ULTIMATE.start_main_~x~4)), 30236#(and (<= ULTIMATE.start_main_~x~4 5) (<= 5 ULTIMATE.start_main_~y~4) (<= 5 ULTIMATE.start_main_~x~4)), 30237#(and (<= ULTIMATE.start_main_~x~4 5) (<= 6 ULTIMATE.start_main_~y~4) (<= 5 ULTIMATE.start_main_~x~4)), 30238#(and (<= 6 ULTIMATE.start_main_~x~4) (<= 6 ULTIMATE.start_main_~y~4) (<= ULTIMATE.start_main_~x~4 6)), 30239#(and (<= 6 ULTIMATE.start_main_~x~4) (<= 7 ULTIMATE.start_main_~y~4) (<= ULTIMATE.start_main_~x~4 6)), 30240#(and (<= ULTIMATE.start_main_~x~4 7) (<= 7 ULTIMATE.start_main_~y~4) (<= 7 ULTIMATE.start_main_~x~4)), 30241#(and (<= ULTIMATE.start_main_~x~4 7) (<= 7 ULTIMATE.start_main_~x~4) (<= 8 ULTIMATE.start_main_~y~4)), 30242#(and (<= ULTIMATE.start_main_~x~4 8) (<= 8 ULTIMATE.start_main_~y~4) (<= 8 ULTIMATE.start_main_~x~4)), 30243#(and (<= ULTIMATE.start_main_~x~4 8) (<= 8 ULTIMATE.start_main_~x~4) (<= 9 ULTIMATE.start_main_~y~4)), 30244#(and (<= 9 ULTIMATE.start_main_~x~4) (<= ULTIMATE.start_main_~x~4 9) (<= 9 ULTIMATE.start_main_~y~4)), 30245#(and (<= 9 ULTIMATE.start_main_~x~4) (<= 10 ULTIMATE.start_main_~y~4) (<= ULTIMATE.start_main_~x~4 9)), 30246#(and (<= ULTIMATE.start_main_~x~4 10) (<= 10 ULTIMATE.start_main_~y~4) (<= 10 ULTIMATE.start_main_~x~4)), 30247#(and (<= ULTIMATE.start_main_~x~4 10) (<= 11 ULTIMATE.start_main_~y~4) (<= 10 ULTIMATE.start_main_~x~4)), 30248#(and (<= ULTIMATE.start_main_~x~4 11) (<= 11 ULTIMATE.start_main_~x~4) (<= 11 ULTIMATE.start_main_~y~4)), 30249#(and (<= ULTIMATE.start_main_~x~4 11) (<= 11 ULTIMATE.start_main_~x~4) (<= 12 ULTIMATE.start_main_~y~4)), 30250#(and (<= 12 ULTIMATE.start_main_~x~4) (<= 12 ULTIMATE.start_main_~y~4) (<= ULTIMATE.start_main_~x~4 12)), 30251#(and (<= 12 ULTIMATE.start_main_~x~4) (<= 13 ULTIMATE.start_main_~y~4) (<= ULTIMATE.start_main_~x~4 12)), 30252#(and (<= 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ULTIMATE.start_main_~x~4 39) (<= 39 ULTIMATE.start_main_~x~4) (<= 40 ULTIMATE.start_main_~y~4)), 30306#(and (<= ULTIMATE.start_main_~x~4 40) (<= 40 ULTIMATE.start_main_~x~4) (<= 40 ULTIMATE.start_main_~y~4)), 30307#(and (<= ULTIMATE.start_main_~x~4 40) (<= 40 ULTIMATE.start_main_~x~4) (<= 41 ULTIMATE.start_main_~y~4)), 30308#(and (<= ULTIMATE.start_main_~x~4 41) (<= 41 ULTIMATE.start_main_~x~4) (<= 41 ULTIMATE.start_main_~y~4)), 30309#(and (<= ULTIMATE.start_main_~x~4 41) (<= 41 ULTIMATE.start_main_~x~4) (<= 42 ULTIMATE.start_main_~y~4)), 30310#(and (<= 42 ULTIMATE.start_main_~y~4) (<= ULTIMATE.start_main_~x~4 42) (<= 42 ULTIMATE.start_main_~x~4)), 30311#(and (<= 43 ULTIMATE.start_main_~y~4) (<= ULTIMATE.start_main_~x~4 42) (<= 42 ULTIMATE.start_main_~x~4)), 30312#(and (<= 43 ULTIMATE.start_main_~y~4) (<= ULTIMATE.start_main_~x~4 43) (<= 43 ULTIMATE.start_main_~x~4)), 30313#(and (<= ULTIMATE.start_main_~x~4 43) (<= 44 ULTIMATE.start_main_~y~4) (<= 43 ULTIMATE.start_main_~x~4)), 30314#(and (<= 44 ULTIMATE.start_main_~x~4) (<= ULTIMATE.start_main_~x~4 44) (<= 44 ULTIMATE.start_main_~y~4)), 30315#(and (<= 44 ULTIMATE.start_main_~x~4) (<= ULTIMATE.start_main_~x~4 44) (<= 45 ULTIMATE.start_main_~y~4)), 30316#(and (<= 45 ULTIMATE.start_main_~y~4) (<= 45 ULTIMATE.start_main_~x~4) (<= ULTIMATE.start_main_~x~4 45)), 30317#(and (<= 46 ULTIMATE.start_main_~y~4) (<= 45 ULTIMATE.start_main_~x~4) (<= ULTIMATE.start_main_~x~4 45)), 30318#(and (<= ULTIMATE.start_main_~x~4 46) (<= 46 ULTIMATE.start_main_~x~4) (<= 46 ULTIMATE.start_main_~y~4)), 30319#(and (<= ULTIMATE.start_main_~x~4 46) (<= 47 ULTIMATE.start_main_~y~4) (<= 46 ULTIMATE.start_main_~x~4)), 30320#(and (<= 47 ULTIMATE.start_main_~y~4) (<= 47 ULTIMATE.start_main_~x~4) (<= ULTIMATE.start_main_~x~4 47)), 30321#(and (<= 48 ULTIMATE.start_main_~y~4) (<= 47 ULTIMATE.start_main_~x~4) (<= ULTIMATE.start_main_~x~4 47)), 30322#(and (<= 48 ULTIMATE.start_main_~x~4) (<= 48 ULTIMATE.start_main_~y~4) (<= ULTIMATE.start_main_~x~4 48)), 30323#(and (<= 48 ULTIMATE.start_main_~x~4) (<= 49 ULTIMATE.start_main_~y~4) (<= ULTIMATE.start_main_~x~4 48)), 30324#(and (<= 49 ULTIMATE.start_main_~x~4) (<= 49 ULTIMATE.start_main_~y~4) (<= ULTIMATE.start_main_~x~4 49)), 30325#(and (<= 49 ULTIMATE.start_main_~x~4) (<= 50 ULTIMATE.start_main_~y~4)), 30326#(and (<= 50 ULTIMATE.start_main_~x~4) (<= 50 ULTIMATE.start_main_~y~4)), 30327#(and (<= 50 ULTIMATE.start_main_~x~4) (<= 49 ULTIMATE.start_main_~y~4)), 30328#(and (<= 51 ULTIMATE.start_main_~x~4) (<= 49 ULTIMATE.start_main_~y~4)), 30329#(and (<= 51 ULTIMATE.start_main_~x~4) (<= 48 ULTIMATE.start_main_~y~4)), 30330#(and (<= 52 ULTIMATE.start_main_~x~4) (<= 48 ULTIMATE.start_main_~y~4)), 30331#(and (<= 52 ULTIMATE.start_main_~x~4) (<= 47 ULTIMATE.start_main_~y~4)), 30332#(and (<= 47 ULTIMATE.start_main_~y~4) (<= 53 ULTIMATE.start_main_~x~4)), 30333#(and (<= 53 ULTIMATE.start_main_~x~4) (<= 46 ULTIMATE.start_main_~y~4)), 30334#(and (<= 54 ULTIMATE.start_main_~x~4) (<= 46 ULTIMATE.start_main_~y~4)), 30335#(and (<= 45 ULTIMATE.start_main_~y~4) (<= 54 ULTIMATE.start_main_~x~4)), 30336#(and (<= 45 ULTIMATE.start_main_~y~4) (<= 55 ULTIMATE.start_main_~x~4)), 30337#(and (<= 55 ULTIMATE.start_main_~x~4) (<= 44 ULTIMATE.start_main_~y~4)), 30338#(and (<= 56 ULTIMATE.start_main_~x~4) (<= 44 ULTIMATE.start_main_~y~4)), 30339#(and (<= 56 ULTIMATE.start_main_~x~4) (<= 43 ULTIMATE.start_main_~y~4)), 30340#(and (<= 43 ULTIMATE.start_main_~y~4) (<= 57 ULTIMATE.start_main_~x~4)), 30341#(and (<= 42 ULTIMATE.start_main_~y~4) (<= 57 ULTIMATE.start_main_~x~4)), 30342#(and (<= 58 ULTIMATE.start_main_~x~4) (<= 42 ULTIMATE.start_main_~y~4)), 30343#(and (<= 58 ULTIMATE.start_main_~x~4) (<= 41 ULTIMATE.start_main_~y~4)), 30344#(and (<= 41 ULTIMATE.start_main_~y~4) (<= 59 ULTIMATE.start_main_~x~4)), 30345#(and (<= 40 ULTIMATE.start_main_~y~4) (<= 59 ULTIMATE.start_main_~x~4)), 30346#(and (<= 60 ULTIMATE.start_main_~x~4) (<= 40 ULTIMATE.start_main_~y~4)), 30347#(and (<= 39 ULTIMATE.start_main_~y~4) (<= 60 ULTIMATE.start_main_~x~4)), 30348#(and (<= 61 ULTIMATE.start_main_~x~4) (<= 39 ULTIMATE.start_main_~y~4)), 30349#(and (<= 61 ULTIMATE.start_main_~x~4) (<= 38 ULTIMATE.start_main_~y~4)), 30350#(and (<= 38 ULTIMATE.start_main_~y~4) (<= 62 ULTIMATE.start_main_~x~4)), 30351#(and (<= 37 ULTIMATE.start_main_~y~4) (<= 62 ULTIMATE.start_main_~x~4)), 30352#(and (<= 63 ULTIMATE.start_main_~x~4) (<= 37 ULTIMATE.start_main_~y~4)), 30353#(and (<= 63 ULTIMATE.start_main_~x~4) (<= 36 ULTIMATE.start_main_~y~4)), 30354#(and (<= 64 ULTIMATE.start_main_~x~4) (<= 36 ULTIMATE.start_main_~y~4)), 30355#(and (<= 35 ULTIMATE.start_main_~y~4) (<= 64 ULTIMATE.start_main_~x~4)), 30356#(and (<= 35 ULTIMATE.start_main_~y~4) (<= 65 ULTIMATE.start_main_~x~4)), 30357#(and (<= 34 ULTIMATE.start_main_~y~4) (<= 65 ULTIMATE.start_main_~x~4)), 30358#(and (<= 66 ULTIMATE.start_main_~x~4) (<= 34 ULTIMATE.start_main_~y~4)), 30359#(and (<= 66 ULTIMATE.start_main_~x~4) (<= 33 ULTIMATE.start_main_~y~4)), 30360#(and (<= 67 ULTIMATE.start_main_~x~4) (<= 33 ULTIMATE.start_main_~y~4)), 30361#(and (<= 67 ULTIMATE.start_main_~x~4) (<= 32 ULTIMATE.start_main_~y~4)), 30362#(and (<= 32 ULTIMATE.start_main_~y~4) (<= 68 ULTIMATE.start_main_~x~4)), 30363#(and (<= 31 ULTIMATE.start_main_~y~4) (<= 68 ULTIMATE.start_main_~x~4)), 30364#(and (<= 31 ULTIMATE.start_main_~y~4) (<= 69 ULTIMATE.start_main_~x~4)), 30365#(and (<= 30 ULTIMATE.start_main_~y~4) (<= 69 ULTIMATE.start_main_~x~4)), 30366#(and (<= 70 ULTIMATE.start_main_~x~4) (<= 30 ULTIMATE.start_main_~y~4)), 30367#(and (<= 70 ULTIMATE.start_main_~x~4) (<= 29 ULTIMATE.start_main_~y~4)), 30368#(and (<= 71 ULTIMATE.start_main_~x~4) (<= 29 ULTIMATE.start_main_~y~4)), 30369#(and (<= 71 ULTIMATE.start_main_~x~4) (<= 28 ULTIMATE.start_main_~y~4)), 30370#(and (<= 72 ULTIMATE.start_main_~x~4) (<= 28 ULTIMATE.start_main_~y~4)), 30371#(<= 27 ULTIMATE.start_main_~y~4), 30372#(<= 1 ULTIMATE.start_main_~y~4)] [2018-07-23 13:41:45,136 INFO L134 CoverageAnalysis]: Checked inductivity of 5402 backedges. 0 proven. 5402 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2018-07-23 13:41:45,136 INFO L450 AbstractCegarLoop]: Interpolant automaton has 149 states [2018-07-23 13:41:45,137 INFO L132 InterpolantAutomaton]: Constructing interpolant automaton starting with 149 interpolants. [2018-07-23 13:41:45,137 INFO L133 InterpolantAutomaton]: CoverageRelationStatistics Valid=626, Invalid=21426, Unknown=0, NotChecked=0, Total=22052 [2018-07-23 13:41:45,138 INFO L87 Difference]: Start difference. First operand 151 states and 151 transitions. Second operand 149 states. [2018-07-23 13:41:46,044 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2018-07-23 13:41:46,044 INFO L93 Difference]: Finished difference Result 156 states and 156 transitions. [2018-07-23 13:41:46,045 INFO L142 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 149 states. [2018-07-23 13:41:46,045 INFO L78 Accepts]: Start accepts. Automaton has 149 states. Word has length 150 [2018-07-23 13:41:46,045 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2018-07-23 13:41:46,046 INFO L225 Difference]: With dead ends: 156 [2018-07-23 13:41:46,046 INFO L226 Difference]: Without dead ends: 154 [2018-07-23 13:41:46,047 INFO L575 BasicCegarLoop]: 0 DeclaredPredicates, 150 GetRequests, 1 SyntacticMatches, 1 SemanticMatches, 148 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 6093 ImplicationChecksByTransitivity, 0.8s TimeCoverageRelationStatistics Valid=632, Invalid=21718, Unknown=0, NotChecked=0, Total=22350 [2018-07-23 13:41:46,047 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 154 states. [2018-07-23 13:41:46,061 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 154 to 153. [2018-07-23 13:41:46,061 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 153 states. [2018-07-23 13:41:46,062 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 153 states to 153 states and 153 transitions. [2018-07-23 13:41:46,062 INFO L78 Accepts]: Start accepts. Automaton has 153 states and 153 transitions. Word has length 150 [2018-07-23 13:41:46,062 INFO L84 Accepts]: Finished accepts. word is rejected. [2018-07-23 13:41:46,062 INFO L471 AbstractCegarLoop]: Abstraction has 153 states and 153 transitions. [2018-07-23 13:41:46,063 INFO L472 AbstractCegarLoop]: Interpolant automaton has 149 states. [2018-07-23 13:41:46,063 INFO L276 IsEmpty]: Start isEmpty. Operand 153 states and 153 transitions. [2018-07-23 13:41:46,063 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 153 [2018-07-23 13:41:46,063 INFO L349 BasicCegarLoop]: Found error trace [2018-07-23 13:41:46,064 INFO L357 BasicCegarLoop]: trace histogram [75, 74, 1, 1, 1] [2018-07-23 13:41:46,064 INFO L414 AbstractCegarLoop]: === Iteration 75 === [ULTIMATE.startErr0AssertViolationASSERT]=== [2018-07-23 13:41:46,064 INFO L82 PathProgramCache]: Analyzing trace with hash 186635700, now seen corresponding path program 74 times [2018-07-23 13:41:46,064 INFO L69 tionRefinementEngine]: Using refinement strategy FixedRefinementStrategy [2018-07-23 13:41:46,083 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-07-23 13:41:47,081 INFO L134 CoverageAnalysis]: Checked inductivity of 5550 backedges. 0 proven. 5550 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2018-07-23 13:41:47,082 INFO L309 seRefinementStrategy]: Constructing automaton from 0 perfect and 1 imperfect interpolant sequences. [2018-07-23 13:41:47,082 INFO L324 seRefinementStrategy]: Number of different interpolants: perfect sequences [] imperfect sequences [150] total 150 [2018-07-23 13:41:47,082 INFO L142 lantAutomatonBuilder]: Constructing canonical interpolant automaton, with selfloop in false state [2018-07-23 13:41:47,082 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2018-07-23 13:41:47,083 INFO L185 omatonBuilderFactory]: Interpolants [30993#true, 30994#false, 30995#(and (<= 0 ULTIMATE.start_main_~y~4) (<= ULTIMATE.start_main_~x~4 0) (<= 0 ULTIMATE.start_main_~x~4)), 30996#(and (<= ULTIMATE.start_main_~x~4 0) (<= 0 ULTIMATE.start_main_~x~4) (<= 1 ULTIMATE.start_main_~y~4)), 30997#(and (<= ULTIMATE.start_main_~x~4 1) (<= 1 ULTIMATE.start_main_~y~4) (<= 1 ULTIMATE.start_main_~x~4)), 30998#(and (<= 2 ULTIMATE.start_main_~y~4) (<= ULTIMATE.start_main_~x~4 1) (<= 1 ULTIMATE.start_main_~x~4)), 30999#(and (<= 2 ULTIMATE.start_main_~y~4) (<= 2 ULTIMATE.start_main_~x~4) (<= ULTIMATE.start_main_~x~4 2)), 31000#(and (<= 3 ULTIMATE.start_main_~y~4) (<= 2 ULTIMATE.start_main_~x~4) (<= ULTIMATE.start_main_~x~4 2)), 31001#(and (<= 3 ULTIMATE.start_main_~x~4) (<= 3 ULTIMATE.start_main_~y~4) (<= ULTIMATE.start_main_~x~4 3)), 31002#(and (<= 3 ULTIMATE.start_main_~x~4) (<= 4 ULTIMATE.start_main_~y~4) (<= ULTIMATE.start_main_~x~4 3)), 31003#(and (<= 4 ULTIMATE.start_main_~y~4) (<= ULTIMATE.start_main_~x~4 4) (<= 4 ULTIMATE.start_main_~x~4)), 31004#(and (<= 5 ULTIMATE.start_main_~y~4) (<= ULTIMATE.start_main_~x~4 4) (<= 4 ULTIMATE.start_main_~x~4)), 31005#(and (<= ULTIMATE.start_main_~x~4 5) (<= 5 ULTIMATE.start_main_~y~4) (<= 5 ULTIMATE.start_main_~x~4)), 31006#(and (<= ULTIMATE.start_main_~x~4 5) (<= 6 ULTIMATE.start_main_~y~4) (<= 5 ULTIMATE.start_main_~x~4)), 31007#(and (<= 6 ULTIMATE.start_main_~x~4) (<= 6 ULTIMATE.start_main_~y~4) (<= ULTIMATE.start_main_~x~4 6)), 31008#(and (<= 6 ULTIMATE.start_main_~x~4) (<= 7 ULTIMATE.start_main_~y~4) (<= ULTIMATE.start_main_~x~4 6)), 31009#(and (<= ULTIMATE.start_main_~x~4 7) (<= 7 ULTIMATE.start_main_~y~4) (<= 7 ULTIMATE.start_main_~x~4)), 31010#(and (<= ULTIMATE.start_main_~x~4 7) (<= 7 ULTIMATE.start_main_~x~4) (<= 8 ULTIMATE.start_main_~y~4)), 31011#(and (<= ULTIMATE.start_main_~x~4 8) (<= 8 ULTIMATE.start_main_~y~4) (<= 8 ULTIMATE.start_main_~x~4)), 31012#(and (<= ULTIMATE.start_main_~x~4 8) (<= 8 ULTIMATE.start_main_~x~4) (<= 9 ULTIMATE.start_main_~y~4)), 31013#(and (<= 9 ULTIMATE.start_main_~x~4) (<= ULTIMATE.start_main_~x~4 9) (<= 9 ULTIMATE.start_main_~y~4)), 31014#(and (<= 9 ULTIMATE.start_main_~x~4) (<= 10 ULTIMATE.start_main_~y~4) (<= ULTIMATE.start_main_~x~4 9)), 31015#(and (<= ULTIMATE.start_main_~x~4 10) (<= 10 ULTIMATE.start_main_~y~4) (<= 10 ULTIMATE.start_main_~x~4)), 31016#(and (<= ULTIMATE.start_main_~x~4 10) (<= 11 ULTIMATE.start_main_~y~4) (<= 10 ULTIMATE.start_main_~x~4)), 31017#(and (<= ULTIMATE.start_main_~x~4 11) (<= 11 ULTIMATE.start_main_~x~4) (<= 11 ULTIMATE.start_main_~y~4)), 31018#(and (<= ULTIMATE.start_main_~x~4 11) (<= 11 ULTIMATE.start_main_~x~4) (<= 12 ULTIMATE.start_main_~y~4)), 31019#(and (<= 12 ULTIMATE.start_main_~x~4) (<= 12 ULTIMATE.start_main_~y~4) (<= ULTIMATE.start_main_~x~4 12)), 31020#(and (<= 12 ULTIMATE.start_main_~x~4) (<= 13 ULTIMATE.start_main_~y~4) (<= ULTIMATE.start_main_~x~4 12)), 31021#(and (<= 13 ULTIMATE.start_main_~y~4) (<= ULTIMATE.start_main_~x~4 13) (<= 13 ULTIMATE.start_main_~x~4)), 31022#(and (<= 14 ULTIMATE.start_main_~y~4) (<= ULTIMATE.start_main_~x~4 13) (<= 13 ULTIMATE.start_main_~x~4)), 31023#(and (<= 14 ULTIMATE.start_main_~y~4) (<= 14 ULTIMATE.start_main_~x~4) (<= ULTIMATE.start_main_~x~4 14)), 31024#(and (<= 14 ULTIMATE.start_main_~x~4) (<= ULTIMATE.start_main_~x~4 14) (<= 15 ULTIMATE.start_main_~y~4)), 31025#(and (<= 15 ULTIMATE.start_main_~x~4) (<= 15 ULTIMATE.start_main_~y~4) (<= ULTIMATE.start_main_~x~4 15)), 31026#(and (<= 15 ULTIMATE.start_main_~x~4) (<= 16 ULTIMATE.start_main_~y~4) (<= ULTIMATE.start_main_~x~4 15)), 31027#(and (<= ULTIMATE.start_main_~x~4 16) (<= 16 ULTIMATE.start_main_~x~4) (<= 16 ULTIMATE.start_main_~y~4)), 31028#(and (<= ULTIMATE.start_main_~x~4 16) (<= 16 ULTIMATE.start_main_~x~4) (<= 17 ULTIMATE.start_main_~y~4)), 31029#(and (<= ULTIMATE.start_main_~x~4 17) (<= 17 ULTIMATE.start_main_~y~4) (<= 17 ULTIMATE.start_main_~x~4)), 31030#(and (<= 18 ULTIMATE.start_main_~y~4) (<= ULTIMATE.start_main_~x~4 17) (<= 17 ULTIMATE.start_main_~x~4)), 31031#(and (<= 18 ULTIMATE.start_main_~y~4) (<= 18 ULTIMATE.start_main_~x~4) (<= ULTIMATE.start_main_~x~4 18)), 31032#(and (<= 18 ULTIMATE.start_main_~x~4) (<= ULTIMATE.start_main_~x~4 18) (<= 19 ULTIMATE.start_main_~y~4)), 31033#(and (<= 19 ULTIMATE.start_main_~y~4) (<= 19 ULTIMATE.start_main_~x~4) (<= ULTIMATE.start_main_~x~4 19)), 31034#(and (<= 20 ULTIMATE.start_main_~y~4) (<= 19 ULTIMATE.start_main_~x~4) (<= ULTIMATE.start_main_~x~4 19)), 31035#(and (<= 20 ULTIMATE.start_main_~x~4) (<= 20 ULTIMATE.start_main_~y~4) (<= ULTIMATE.start_main_~x~4 20)), 31036#(and (<= 20 ULTIMATE.start_main_~x~4) (<= 21 ULTIMATE.start_main_~y~4) (<= ULTIMATE.start_main_~x~4 20)), 31037#(and (<= ULTIMATE.start_main_~x~4 21) (<= 21 ULTIMATE.start_main_~y~4) (<= 21 ULTIMATE.start_main_~x~4)), 31038#(and (<= ULTIMATE.start_main_~x~4 21) (<= 21 ULTIMATE.start_main_~x~4) (<= 22 ULTIMATE.start_main_~y~4)), 31039#(and (<= ULTIMATE.start_main_~x~4 22) (<= 22 ULTIMATE.start_main_~x~4) (<= 22 ULTIMATE.start_main_~y~4)), 31040#(and (<= 23 ULTIMATE.start_main_~y~4) (<= ULTIMATE.start_main_~x~4 22) (<= 22 ULTIMATE.start_main_~x~4)), 31041#(and (<= ULTIMATE.start_main_~x~4 23) (<= 23 ULTIMATE.start_main_~x~4) (<= 23 ULTIMATE.start_main_~y~4)), 31042#(and (<= ULTIMATE.start_main_~x~4 23) (<= 23 ULTIMATE.start_main_~x~4) (<= 24 ULTIMATE.start_main_~y~4)), 31043#(and (<= 24 ULTIMATE.start_main_~y~4) (<= ULTIMATE.start_main_~x~4 24) (<= 24 ULTIMATE.start_main_~x~4)), 31044#(and (<= 25 ULTIMATE.start_main_~y~4) (<= ULTIMATE.start_main_~x~4 24) (<= 24 ULTIMATE.start_main_~x~4)), 31045#(and (<= 25 ULTIMATE.start_main_~y~4) (<= ULTIMATE.start_main_~x~4 25) (<= 25 ULTIMATE.start_main_~x~4)), 31046#(and (<= ULTIMATE.start_main_~x~4 25) (<= 26 ULTIMATE.start_main_~y~4) (<= 25 ULTIMATE.start_main_~x~4)), 31047#(and (<= ULTIMATE.start_main_~x~4 26) (<= 26 ULTIMATE.start_main_~y~4) (<= 26 ULTIMATE.start_main_~x~4)), 31048#(and (<= ULTIMATE.start_main_~x~4 26) (<= 27 ULTIMATE.start_main_~y~4) (<= 26 ULTIMATE.start_main_~x~4)), 31049#(and (<= ULTIMATE.start_main_~x~4 27) (<= 27 ULTIMATE.start_main_~y~4) (<= 27 ULTIMATE.start_main_~x~4)), 31050#(and (<= ULTIMATE.start_main_~x~4 27) (<= 27 ULTIMATE.start_main_~x~4) (<= 28 ULTIMATE.start_main_~y~4)), 31051#(and (<= ULTIMATE.start_main_~x~4 28) (<= 28 ULTIMATE.start_main_~y~4) (<= 28 ULTIMATE.start_main_~x~4)), 31052#(and (<= ULTIMATE.start_main_~x~4 28) (<= 29 ULTIMATE.start_main_~y~4) (<= 28 ULTIMATE.start_main_~x~4)), 31053#(and (<= 29 ULTIMATE.start_main_~x~4) (<= 29 ULTIMATE.start_main_~y~4) (<= ULTIMATE.start_main_~x~4 29)), 31054#(and (<= 29 ULTIMATE.start_main_~x~4) (<= 30 ULTIMATE.start_main_~y~4) (<= ULTIMATE.start_main_~x~4 29)), 31055#(and (<= ULTIMATE.start_main_~x~4 30) (<= 30 ULTIMATE.start_main_~y~4) (<= 30 ULTIMATE.start_main_~x~4)), 31056#(and (<= ULTIMATE.start_main_~x~4 30) (<= 31 ULTIMATE.start_main_~y~4) (<= 30 ULTIMATE.start_main_~x~4)), 31057#(and (<= ULTIMATE.start_main_~x~4 31) (<= 31 ULTIMATE.start_main_~y~4) (<= 31 ULTIMATE.start_main_~x~4)), 31058#(and (<= ULTIMATE.start_main_~x~4 31) (<= 32 ULTIMATE.start_main_~y~4) (<= 31 ULTIMATE.start_main_~x~4)), 31059#(and (<= ULTIMATE.start_main_~x~4 32) (<= 32 ULTIMATE.start_main_~y~4) (<= 32 ULTIMATE.start_main_~x~4)), 31060#(and (<= ULTIMATE.start_main_~x~4 32) (<= 33 ULTIMATE.start_main_~y~4) (<= 32 ULTIMATE.start_main_~x~4)), 31061#(and (<= ULTIMATE.start_main_~x~4 33) (<= 33 ULTIMATE.start_main_~y~4) (<= 33 ULTIMATE.start_main_~x~4)), 31062#(and (<= ULTIMATE.start_main_~x~4 33) (<= 33 ULTIMATE.start_main_~x~4) (<= 34 ULTIMATE.start_main_~y~4)), 31063#(and (<= 34 ULTIMATE.start_main_~x~4) (<= ULTIMATE.start_main_~x~4 34) (<= 34 ULTIMATE.start_main_~y~4)), 31064#(and (<= 34 ULTIMATE.start_main_~x~4) (<= ULTIMATE.start_main_~x~4 34) (<= 35 ULTIMATE.start_main_~y~4)), 31065#(and (<= ULTIMATE.start_main_~x~4 35) (<= 35 ULTIMATE.start_main_~y~4) (<= 35 ULTIMATE.start_main_~x~4)), 31066#(and (<= ULTIMATE.start_main_~x~4 35) (<= 35 ULTIMATE.start_main_~x~4) (<= 36 ULTIMATE.start_main_~y~4)), 31067#(and (<= 36 ULTIMATE.start_main_~x~4) (<= ULTIMATE.start_main_~x~4 36) (<= 36 ULTIMATE.start_main_~y~4)), 31068#(and (<= 36 ULTIMATE.start_main_~x~4) (<= 37 ULTIMATE.start_main_~y~4) (<= ULTIMATE.start_main_~x~4 36)), 31069#(and (<= 37 ULTIMATE.start_main_~y~4) (<= ULTIMATE.start_main_~x~4 37) (<= 37 ULTIMATE.start_main_~x~4)), 31070#(and (<= ULTIMATE.start_main_~x~4 37) (<= 38 ULTIMATE.start_main_~y~4) (<= 37 ULTIMATE.start_main_~x~4)), 31071#(and (<= 38 ULTIMATE.start_main_~x~4) (<= ULTIMATE.start_main_~x~4 38) (<= 38 ULTIMATE.start_main_~y~4)), 31072#(and (<= 38 ULTIMATE.start_main_~x~4) (<= 39 ULTIMATE.start_main_~y~4) (<= ULTIMATE.start_main_~x~4 38)), 31073#(and (<= 39 ULTIMATE.start_main_~y~4) (<= ULTIMATE.start_main_~x~4 39) (<= 39 ULTIMATE.start_main_~x~4)), 31074#(and (<= ULTIMATE.start_main_~x~4 39) (<= 39 ULTIMATE.start_main_~x~4) (<= 40 ULTIMATE.start_main_~y~4)), 31075#(and (<= ULTIMATE.start_main_~x~4 40) (<= 40 ULTIMATE.start_main_~x~4) (<= 40 ULTIMATE.start_main_~y~4)), 31076#(and (<= ULTIMATE.start_main_~x~4 40) (<= 40 ULTIMATE.start_main_~x~4) (<= 41 ULTIMATE.start_main_~y~4)), 31077#(and (<= ULTIMATE.start_main_~x~4 41) (<= 41 ULTIMATE.start_main_~x~4) (<= 41 ULTIMATE.start_main_~y~4)), 31078#(and (<= ULTIMATE.start_main_~x~4 41) (<= 41 ULTIMATE.start_main_~x~4) (<= 42 ULTIMATE.start_main_~y~4)), 31079#(and (<= 42 ULTIMATE.start_main_~y~4) (<= ULTIMATE.start_main_~x~4 42) (<= 42 ULTIMATE.start_main_~x~4)), 31080#(and (<= 43 ULTIMATE.start_main_~y~4) (<= ULTIMATE.start_main_~x~4 42) (<= 42 ULTIMATE.start_main_~x~4)), 31081#(and (<= 43 ULTIMATE.start_main_~y~4) (<= ULTIMATE.start_main_~x~4 43) (<= 43 ULTIMATE.start_main_~x~4)), 31082#(and (<= ULTIMATE.start_main_~x~4 43) (<= 44 ULTIMATE.start_main_~y~4) (<= 43 ULTIMATE.start_main_~x~4)), 31083#(and (<= 44 ULTIMATE.start_main_~x~4) (<= ULTIMATE.start_main_~x~4 44) (<= 44 ULTIMATE.start_main_~y~4)), 31084#(and (<= 44 ULTIMATE.start_main_~x~4) (<= ULTIMATE.start_main_~x~4 44) (<= 45 ULTIMATE.start_main_~y~4)), 31085#(and (<= 45 ULTIMATE.start_main_~y~4) (<= 45 ULTIMATE.start_main_~x~4) (<= ULTIMATE.start_main_~x~4 45)), 31086#(and (<= 46 ULTIMATE.start_main_~y~4) (<= 45 ULTIMATE.start_main_~x~4) (<= ULTIMATE.start_main_~x~4 45)), 31087#(and (<= ULTIMATE.start_main_~x~4 46) (<= 46 ULTIMATE.start_main_~x~4) (<= 46 ULTIMATE.start_main_~y~4)), 31088#(and (<= ULTIMATE.start_main_~x~4 46) (<= 47 ULTIMATE.start_main_~y~4) (<= 46 ULTIMATE.start_main_~x~4)), 31089#(and (<= 47 ULTIMATE.start_main_~y~4) (<= 47 ULTIMATE.start_main_~x~4) (<= ULTIMATE.start_main_~x~4 47)), 31090#(and (<= 48 ULTIMATE.start_main_~y~4) (<= 47 ULTIMATE.start_main_~x~4) (<= ULTIMATE.start_main_~x~4 47)), 31091#(and (<= 48 ULTIMATE.start_main_~x~4) (<= 48 ULTIMATE.start_main_~y~4) (<= ULTIMATE.start_main_~x~4 48)), 31092#(and (<= 48 ULTIMATE.start_main_~x~4) (<= 49 ULTIMATE.start_main_~y~4) (<= ULTIMATE.start_main_~x~4 48)), 31093#(and (<= 49 ULTIMATE.start_main_~x~4) (<= 49 ULTIMATE.start_main_~y~4) (<= ULTIMATE.start_main_~x~4 49)), 31094#(and (<= 49 ULTIMATE.start_main_~x~4) (<= 50 ULTIMATE.start_main_~y~4)), 31095#(and (<= 50 ULTIMATE.start_main_~x~4) (<= 50 ULTIMATE.start_main_~y~4)), 31096#(and (<= 50 ULTIMATE.start_main_~x~4) (<= 49 ULTIMATE.start_main_~y~4)), 31097#(and (<= 51 ULTIMATE.start_main_~x~4) (<= 49 ULTIMATE.start_main_~y~4)), 31098#(and (<= 51 ULTIMATE.start_main_~x~4) (<= 48 ULTIMATE.start_main_~y~4)), 31099#(and (<= 52 ULTIMATE.start_main_~x~4) (<= 48 ULTIMATE.start_main_~y~4)), 31100#(and (<= 52 ULTIMATE.start_main_~x~4) (<= 47 ULTIMATE.start_main_~y~4)), 31101#(and (<= 47 ULTIMATE.start_main_~y~4) (<= 53 ULTIMATE.start_main_~x~4)), 31102#(and (<= 53 ULTIMATE.start_main_~x~4) (<= 46 ULTIMATE.start_main_~y~4)), 31103#(and (<= 54 ULTIMATE.start_main_~x~4) (<= 46 ULTIMATE.start_main_~y~4)), 31104#(and (<= 45 ULTIMATE.start_main_~y~4) (<= 54 ULTIMATE.start_main_~x~4)), 31105#(and (<= 45 ULTIMATE.start_main_~y~4) (<= 55 ULTIMATE.start_main_~x~4)), 31106#(and (<= 55 ULTIMATE.start_main_~x~4) (<= 44 ULTIMATE.start_main_~y~4)), 31107#(and (<= 56 ULTIMATE.start_main_~x~4) (<= 44 ULTIMATE.start_main_~y~4)), 31108#(and (<= 56 ULTIMATE.start_main_~x~4) (<= 43 ULTIMATE.start_main_~y~4)), 31109#(and (<= 43 ULTIMATE.start_main_~y~4) (<= 57 ULTIMATE.start_main_~x~4)), 31110#(and (<= 42 ULTIMATE.start_main_~y~4) (<= 57 ULTIMATE.start_main_~x~4)), 31111#(and (<= 58 ULTIMATE.start_main_~x~4) (<= 42 ULTIMATE.start_main_~y~4)), 31112#(and (<= 58 ULTIMATE.start_main_~x~4) (<= 41 ULTIMATE.start_main_~y~4)), 31113#(and (<= 41 ULTIMATE.start_main_~y~4) (<= 59 ULTIMATE.start_main_~x~4)), 31114#(and (<= 40 ULTIMATE.start_main_~y~4) (<= 59 ULTIMATE.start_main_~x~4)), 31115#(and (<= 60 ULTIMATE.start_main_~x~4) (<= 40 ULTIMATE.start_main_~y~4)), 31116#(and (<= 39 ULTIMATE.start_main_~y~4) (<= 60 ULTIMATE.start_main_~x~4)), 31117#(and (<= 61 ULTIMATE.start_main_~x~4) (<= 39 ULTIMATE.start_main_~y~4)), 31118#(and (<= 61 ULTIMATE.start_main_~x~4) (<= 38 ULTIMATE.start_main_~y~4)), 31119#(and (<= 38 ULTIMATE.start_main_~y~4) (<= 62 ULTIMATE.start_main_~x~4)), 31120#(and (<= 37 ULTIMATE.start_main_~y~4) (<= 62 ULTIMATE.start_main_~x~4)), 31121#(and (<= 63 ULTIMATE.start_main_~x~4) (<= 37 ULTIMATE.start_main_~y~4)), 31122#(and (<= 63 ULTIMATE.start_main_~x~4) (<= 36 ULTIMATE.start_main_~y~4)), 31123#(and (<= 64 ULTIMATE.start_main_~x~4) (<= 36 ULTIMATE.start_main_~y~4)), 31124#(and (<= 35 ULTIMATE.start_main_~y~4) (<= 64 ULTIMATE.start_main_~x~4)), 31125#(and (<= 35 ULTIMATE.start_main_~y~4) (<= 65 ULTIMATE.start_main_~x~4)), 31126#(and (<= 34 ULTIMATE.start_main_~y~4) (<= 65 ULTIMATE.start_main_~x~4)), 31127#(and (<= 66 ULTIMATE.start_main_~x~4) (<= 34 ULTIMATE.start_main_~y~4)), 31128#(and (<= 66 ULTIMATE.start_main_~x~4) (<= 33 ULTIMATE.start_main_~y~4)), 31129#(and (<= 67 ULTIMATE.start_main_~x~4) (<= 33 ULTIMATE.start_main_~y~4)), 31130#(and (<= 67 ULTIMATE.start_main_~x~4) (<= 32 ULTIMATE.start_main_~y~4)), 31131#(and (<= 32 ULTIMATE.start_main_~y~4) (<= 68 ULTIMATE.start_main_~x~4)), 31132#(and (<= 31 ULTIMATE.start_main_~y~4) (<= 68 ULTIMATE.start_main_~x~4)), 31133#(and (<= 31 ULTIMATE.start_main_~y~4) (<= 69 ULTIMATE.start_main_~x~4)), 31134#(and (<= 30 ULTIMATE.start_main_~y~4) (<= 69 ULTIMATE.start_main_~x~4)), 31135#(and (<= 70 ULTIMATE.start_main_~x~4) (<= 30 ULTIMATE.start_main_~y~4)), 31136#(and (<= 70 ULTIMATE.start_main_~x~4) (<= 29 ULTIMATE.start_main_~y~4)), 31137#(and (<= 71 ULTIMATE.start_main_~x~4) (<= 29 ULTIMATE.start_main_~y~4)), 31138#(and (<= 71 ULTIMATE.start_main_~x~4) (<= 28 ULTIMATE.start_main_~y~4)), 31139#(and (<= 72 ULTIMATE.start_main_~x~4) (<= 28 ULTIMATE.start_main_~y~4)), 31140#(and (<= 72 ULTIMATE.start_main_~x~4) (<= 27 ULTIMATE.start_main_~y~4)), 31141#(and (<= 27 ULTIMATE.start_main_~y~4) (<= 73 ULTIMATE.start_main_~x~4)), 31142#(<= 26 ULTIMATE.start_main_~y~4), 31143#(<= 1 ULTIMATE.start_main_~y~4)] [2018-07-23 13:41:47,084 INFO L134 CoverageAnalysis]: Checked inductivity of 5550 backedges. 0 proven. 5550 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2018-07-23 13:41:47,084 INFO L450 AbstractCegarLoop]: Interpolant automaton has 151 states [2018-07-23 13:41:47,084 INFO L132 InterpolantAutomaton]: Constructing interpolant automaton starting with 151 interpolants. [2018-07-23 13:41:47,086 INFO L133 InterpolantAutomaton]: CoverageRelationStatistics Valid=638, Invalid=22012, Unknown=0, NotChecked=0, Total=22650 [2018-07-23 13:41:47,087 INFO L87 Difference]: Start difference. First operand 153 states and 153 transitions. Second operand 151 states. [2018-07-23 13:41:47,987 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2018-07-23 13:41:47,987 INFO L93 Difference]: Finished difference Result 158 states and 158 transitions. [2018-07-23 13:41:47,987 INFO L142 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 151 states. [2018-07-23 13:41:47,987 INFO L78 Accepts]: Start accepts. Automaton has 151 states. Word has length 152 [2018-07-23 13:41:47,988 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2018-07-23 13:41:47,988 INFO L225 Difference]: With dead ends: 158 [2018-07-23 13:41:47,988 INFO L226 Difference]: Without dead ends: 156 [2018-07-23 13:41:47,990 INFO L575 BasicCegarLoop]: 0 DeclaredPredicates, 152 GetRequests, 1 SyntacticMatches, 1 SemanticMatches, 150 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 6291 ImplicationChecksByTransitivity, 0.8s TimeCoverageRelationStatistics Valid=644, Invalid=22308, Unknown=0, NotChecked=0, Total=22952 [2018-07-23 13:41:47,990 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 156 states. [2018-07-23 13:41:48,003 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 156 to 155. [2018-07-23 13:41:48,003 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 155 states. [2018-07-23 13:41:48,004 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 155 states to 155 states and 155 transitions. [2018-07-23 13:41:48,004 INFO L78 Accepts]: Start accepts. Automaton has 155 states and 155 transitions. Word has length 152 [2018-07-23 13:41:48,004 INFO L84 Accepts]: Finished accepts. word is rejected. [2018-07-23 13:41:48,004 INFO L471 AbstractCegarLoop]: Abstraction has 155 states and 155 transitions. [2018-07-23 13:41:48,004 INFO L472 AbstractCegarLoop]: Interpolant automaton has 151 states. [2018-07-23 13:41:48,004 INFO L276 IsEmpty]: Start isEmpty. Operand 155 states and 155 transitions. [2018-07-23 13:41:48,005 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 155 [2018-07-23 13:41:48,005 INFO L349 BasicCegarLoop]: Found error trace [2018-07-23 13:41:48,005 INFO L357 BasicCegarLoop]: trace histogram [76, 75, 1, 1, 1] [2018-07-23 13:41:48,005 INFO L414 AbstractCegarLoop]: === Iteration 76 === [ULTIMATE.startErr0AssertViolationASSERT]=== [2018-07-23 13:41:48,005 INFO L82 PathProgramCache]: Analyzing trace with hash -1031654950, now seen corresponding path program 75 times [2018-07-23 13:41:48,005 INFO L69 tionRefinementEngine]: Using refinement strategy FixedRefinementStrategy [2018-07-23 13:41:48,026 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-07-23 13:41:49,277 INFO L134 CoverageAnalysis]: Checked inductivity of 5700 backedges. 0 proven. 5700 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2018-07-23 13:41:49,277 INFO L309 seRefinementStrategy]: Constructing automaton from 0 perfect and 1 imperfect interpolant sequences. [2018-07-23 13:41:49,277 INFO L324 seRefinementStrategy]: Number of different interpolants: perfect sequences [] imperfect sequences [152] total 152 [2018-07-23 13:41:49,277 INFO L142 lantAutomatonBuilder]: Constructing canonical interpolant automaton, with selfloop in false state [2018-07-23 13:41:49,277 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2018-07-23 13:41:49,278 INFO L185 omatonBuilderFactory]: Interpolants [31772#true, 31773#false, 31774#(and (<= 0 ULTIMATE.start_main_~y~4) (<= ULTIMATE.start_main_~x~4 0) (<= 0 ULTIMATE.start_main_~x~4)), 31775#(and (<= ULTIMATE.start_main_~x~4 0) (<= 0 ULTIMATE.start_main_~x~4) (<= 1 ULTIMATE.start_main_~y~4)), 31776#(and (<= ULTIMATE.start_main_~x~4 1) (<= 1 ULTIMATE.start_main_~y~4) (<= 1 ULTIMATE.start_main_~x~4)), 31777#(and (<= 2 ULTIMATE.start_main_~y~4) (<= ULTIMATE.start_main_~x~4 1) (<= 1 ULTIMATE.start_main_~x~4)), 31778#(and (<= 2 ULTIMATE.start_main_~y~4) (<= 2 ULTIMATE.start_main_~x~4) (<= ULTIMATE.start_main_~x~4 2)), 31779#(and (<= 3 ULTIMATE.start_main_~y~4) (<= 2 ULTIMATE.start_main_~x~4) (<= ULTIMATE.start_main_~x~4 2)), 31780#(and (<= 3 ULTIMATE.start_main_~x~4) (<= 3 ULTIMATE.start_main_~y~4) (<= ULTIMATE.start_main_~x~4 3)), 31781#(and (<= 3 ULTIMATE.start_main_~x~4) (<= 4 ULTIMATE.start_main_~y~4) (<= ULTIMATE.start_main_~x~4 3)), 31782#(and (<= 4 ULTIMATE.start_main_~y~4) (<= ULTIMATE.start_main_~x~4 4) (<= 4 ULTIMATE.start_main_~x~4)), 31783#(and (<= 5 ULTIMATE.start_main_~y~4) (<= ULTIMATE.start_main_~x~4 4) (<= 4 ULTIMATE.start_main_~x~4)), 31784#(and (<= ULTIMATE.start_main_~x~4 5) (<= 5 ULTIMATE.start_main_~y~4) (<= 5 ULTIMATE.start_main_~x~4)), 31785#(and (<= ULTIMATE.start_main_~x~4 5) (<= 6 ULTIMATE.start_main_~y~4) (<= 5 ULTIMATE.start_main_~x~4)), 31786#(and (<= 6 ULTIMATE.start_main_~x~4) (<= 6 ULTIMATE.start_main_~y~4) (<= ULTIMATE.start_main_~x~4 6)), 31787#(and (<= 6 ULTIMATE.start_main_~x~4) (<= 7 ULTIMATE.start_main_~y~4) (<= ULTIMATE.start_main_~x~4 6)), 31788#(and (<= ULTIMATE.start_main_~x~4 7) (<= 7 ULTIMATE.start_main_~y~4) (<= 7 ULTIMATE.start_main_~x~4)), 31789#(and (<= ULTIMATE.start_main_~x~4 7) (<= 7 ULTIMATE.start_main_~x~4) (<= 8 ULTIMATE.start_main_~y~4)), 31790#(and (<= ULTIMATE.start_main_~x~4 8) (<= 8 ULTIMATE.start_main_~y~4) (<= 8 ULTIMATE.start_main_~x~4)), 31791#(and (<= ULTIMATE.start_main_~x~4 8) (<= 8 ULTIMATE.start_main_~x~4) (<= 9 ULTIMATE.start_main_~y~4)), 31792#(and (<= 9 ULTIMATE.start_main_~x~4) (<= ULTIMATE.start_main_~x~4 9) (<= 9 ULTIMATE.start_main_~y~4)), 31793#(and (<= 9 ULTIMATE.start_main_~x~4) (<= 10 ULTIMATE.start_main_~y~4) (<= ULTIMATE.start_main_~x~4 9)), 31794#(and (<= ULTIMATE.start_main_~x~4 10) (<= 10 ULTIMATE.start_main_~y~4) (<= 10 ULTIMATE.start_main_~x~4)), 31795#(and (<= ULTIMATE.start_main_~x~4 10) (<= 11 ULTIMATE.start_main_~y~4) (<= 10 ULTIMATE.start_main_~x~4)), 31796#(and (<= ULTIMATE.start_main_~x~4 11) (<= 11 ULTIMATE.start_main_~x~4) (<= 11 ULTIMATE.start_main_~y~4)), 31797#(and (<= ULTIMATE.start_main_~x~4 11) (<= 11 ULTIMATE.start_main_~x~4) (<= 12 ULTIMATE.start_main_~y~4)), 31798#(and (<= 12 ULTIMATE.start_main_~x~4) (<= 12 ULTIMATE.start_main_~y~4) (<= ULTIMATE.start_main_~x~4 12)), 31799#(and (<= 12 ULTIMATE.start_main_~x~4) (<= 13 ULTIMATE.start_main_~y~4) (<= ULTIMATE.start_main_~x~4 12)), 31800#(and (<= 13 ULTIMATE.start_main_~y~4) (<= ULTIMATE.start_main_~x~4 13) (<= 13 ULTIMATE.start_main_~x~4)), 31801#(and (<= 14 ULTIMATE.start_main_~y~4) (<= ULTIMATE.start_main_~x~4 13) (<= 13 ULTIMATE.start_main_~x~4)), 31802#(and (<= 14 ULTIMATE.start_main_~y~4) (<= 14 ULTIMATE.start_main_~x~4) (<= ULTIMATE.start_main_~x~4 14)), 31803#(and (<= 14 ULTIMATE.start_main_~x~4) (<= ULTIMATE.start_main_~x~4 14) (<= 15 ULTIMATE.start_main_~y~4)), 31804#(and (<= 15 ULTIMATE.start_main_~x~4) (<= 15 ULTIMATE.start_main_~y~4) (<= ULTIMATE.start_main_~x~4 15)), 31805#(and (<= 15 ULTIMATE.start_main_~x~4) (<= 16 ULTIMATE.start_main_~y~4) (<= ULTIMATE.start_main_~x~4 15)), 31806#(and (<= ULTIMATE.start_main_~x~4 16) (<= 16 ULTIMATE.start_main_~x~4) (<= 16 ULTIMATE.start_main_~y~4)), 31807#(and (<= ULTIMATE.start_main_~x~4 16) (<= 16 ULTIMATE.start_main_~x~4) (<= 17 ULTIMATE.start_main_~y~4)), 31808#(and (<= ULTIMATE.start_main_~x~4 17) (<= 17 ULTIMATE.start_main_~y~4) (<= 17 ULTIMATE.start_main_~x~4)), 31809#(and (<= 18 ULTIMATE.start_main_~y~4) (<= ULTIMATE.start_main_~x~4 17) (<= 17 ULTIMATE.start_main_~x~4)), 31810#(and (<= 18 ULTIMATE.start_main_~y~4) (<= 18 ULTIMATE.start_main_~x~4) (<= ULTIMATE.start_main_~x~4 18)), 31811#(and (<= 18 ULTIMATE.start_main_~x~4) (<= ULTIMATE.start_main_~x~4 18) (<= 19 ULTIMATE.start_main_~y~4)), 31812#(and (<= 19 ULTIMATE.start_main_~y~4) (<= 19 ULTIMATE.start_main_~x~4) (<= ULTIMATE.start_main_~x~4 19)), 31813#(and (<= 20 ULTIMATE.start_main_~y~4) (<= 19 ULTIMATE.start_main_~x~4) (<= ULTIMATE.start_main_~x~4 19)), 31814#(and (<= 20 ULTIMATE.start_main_~x~4) (<= 20 ULTIMATE.start_main_~y~4) (<= ULTIMATE.start_main_~x~4 20)), 31815#(and (<= 20 ULTIMATE.start_main_~x~4) (<= 21 ULTIMATE.start_main_~y~4) (<= ULTIMATE.start_main_~x~4 20)), 31816#(and (<= ULTIMATE.start_main_~x~4 21) (<= 21 ULTIMATE.start_main_~y~4) (<= 21 ULTIMATE.start_main_~x~4)), 31817#(and (<= ULTIMATE.start_main_~x~4 21) (<= 21 ULTIMATE.start_main_~x~4) (<= 22 ULTIMATE.start_main_~y~4)), 31818#(and (<= ULTIMATE.start_main_~x~4 22) (<= 22 ULTIMATE.start_main_~x~4) (<= 22 ULTIMATE.start_main_~y~4)), 31819#(and (<= 23 ULTIMATE.start_main_~y~4) (<= ULTIMATE.start_main_~x~4 22) (<= 22 ULTIMATE.start_main_~x~4)), 31820#(and (<= ULTIMATE.start_main_~x~4 23) (<= 23 ULTIMATE.start_main_~x~4) (<= 23 ULTIMATE.start_main_~y~4)), 31821#(and (<= ULTIMATE.start_main_~x~4 23) (<= 23 ULTIMATE.start_main_~x~4) (<= 24 ULTIMATE.start_main_~y~4)), 31822#(and (<= 24 ULTIMATE.start_main_~y~4) (<= ULTIMATE.start_main_~x~4 24) (<= 24 ULTIMATE.start_main_~x~4)), 31823#(and (<= 25 ULTIMATE.start_main_~y~4) (<= ULTIMATE.start_main_~x~4 24) (<= 24 ULTIMATE.start_main_~x~4)), 31824#(and (<= 25 ULTIMATE.start_main_~y~4) (<= ULTIMATE.start_main_~x~4 25) (<= 25 ULTIMATE.start_main_~x~4)), 31825#(and (<= ULTIMATE.start_main_~x~4 25) (<= 26 ULTIMATE.start_main_~y~4) (<= 25 ULTIMATE.start_main_~x~4)), 31826#(and (<= ULTIMATE.start_main_~x~4 26) (<= 26 ULTIMATE.start_main_~y~4) (<= 26 ULTIMATE.start_main_~x~4)), 31827#(and (<= ULTIMATE.start_main_~x~4 26) (<= 27 ULTIMATE.start_main_~y~4) (<= 26 ULTIMATE.start_main_~x~4)), 31828#(and (<= ULTIMATE.start_main_~x~4 27) (<= 27 ULTIMATE.start_main_~y~4) (<= 27 ULTIMATE.start_main_~x~4)), 31829#(and (<= ULTIMATE.start_main_~x~4 27) (<= 27 ULTIMATE.start_main_~x~4) (<= 28 ULTIMATE.start_main_~y~4)), 31830#(and (<= ULTIMATE.start_main_~x~4 28) (<= 28 ULTIMATE.start_main_~y~4) (<= 28 ULTIMATE.start_main_~x~4)), 31831#(and (<= ULTIMATE.start_main_~x~4 28) (<= 29 ULTIMATE.start_main_~y~4) (<= 28 ULTIMATE.start_main_~x~4)), 31832#(and (<= 29 ULTIMATE.start_main_~x~4) (<= 29 ULTIMATE.start_main_~y~4) (<= ULTIMATE.start_main_~x~4 29)), 31833#(and (<= 29 ULTIMATE.start_main_~x~4) (<= 30 ULTIMATE.start_main_~y~4) (<= ULTIMATE.start_main_~x~4 29)), 31834#(and (<= ULTIMATE.start_main_~x~4 30) (<= 30 ULTIMATE.start_main_~y~4) (<= 30 ULTIMATE.start_main_~x~4)), 31835#(and (<= ULTIMATE.start_main_~x~4 30) (<= 31 ULTIMATE.start_main_~y~4) (<= 30 ULTIMATE.start_main_~x~4)), 31836#(and (<= ULTIMATE.start_main_~x~4 31) (<= 31 ULTIMATE.start_main_~y~4) (<= 31 ULTIMATE.start_main_~x~4)), 31837#(and (<= ULTIMATE.start_main_~x~4 31) (<= 32 ULTIMATE.start_main_~y~4) (<= 31 ULTIMATE.start_main_~x~4)), 31838#(and (<= ULTIMATE.start_main_~x~4 32) (<= 32 ULTIMATE.start_main_~y~4) (<= 32 ULTIMATE.start_main_~x~4)), 31839#(and (<= ULTIMATE.start_main_~x~4 32) (<= 33 ULTIMATE.start_main_~y~4) (<= 32 ULTIMATE.start_main_~x~4)), 31840#(and (<= ULTIMATE.start_main_~x~4 33) (<= 33 ULTIMATE.start_main_~y~4) (<= 33 ULTIMATE.start_main_~x~4)), 31841#(and (<= ULTIMATE.start_main_~x~4 33) (<= 33 ULTIMATE.start_main_~x~4) (<= 34 ULTIMATE.start_main_~y~4)), 31842#(and (<= 34 ULTIMATE.start_main_~x~4) (<= ULTIMATE.start_main_~x~4 34) (<= 34 ULTIMATE.start_main_~y~4)), 31843#(and (<= 34 ULTIMATE.start_main_~x~4) (<= ULTIMATE.start_main_~x~4 34) (<= 35 ULTIMATE.start_main_~y~4)), 31844#(and (<= ULTIMATE.start_main_~x~4 35) (<= 35 ULTIMATE.start_main_~y~4) (<= 35 ULTIMATE.start_main_~x~4)), 31845#(and (<= ULTIMATE.start_main_~x~4 35) (<= 35 ULTIMATE.start_main_~x~4) (<= 36 ULTIMATE.start_main_~y~4)), 31846#(and (<= 36 ULTIMATE.start_main_~x~4) (<= ULTIMATE.start_main_~x~4 36) (<= 36 ULTIMATE.start_main_~y~4)), 31847#(and (<= 36 ULTIMATE.start_main_~x~4) (<= 37 ULTIMATE.start_main_~y~4) (<= ULTIMATE.start_main_~x~4 36)), 31848#(and (<= 37 ULTIMATE.start_main_~y~4) (<= ULTIMATE.start_main_~x~4 37) (<= 37 ULTIMATE.start_main_~x~4)), 31849#(and (<= ULTIMATE.start_main_~x~4 37) (<= 38 ULTIMATE.start_main_~y~4) (<= 37 ULTIMATE.start_main_~x~4)), 31850#(and (<= 38 ULTIMATE.start_main_~x~4) (<= ULTIMATE.start_main_~x~4 38) (<= 38 ULTIMATE.start_main_~y~4)), 31851#(and (<= 38 ULTIMATE.start_main_~x~4) (<= 39 ULTIMATE.start_main_~y~4) (<= ULTIMATE.start_main_~x~4 38)), 31852#(and (<= 39 ULTIMATE.start_main_~y~4) (<= ULTIMATE.start_main_~x~4 39) (<= 39 ULTIMATE.start_main_~x~4)), 31853#(and (<= ULTIMATE.start_main_~x~4 39) (<= 39 ULTIMATE.start_main_~x~4) (<= 40 ULTIMATE.start_main_~y~4)), 31854#(and (<= ULTIMATE.start_main_~x~4 40) (<= 40 ULTIMATE.start_main_~x~4) (<= 40 ULTIMATE.start_main_~y~4)), 31855#(and (<= ULTIMATE.start_main_~x~4 40) (<= 40 ULTIMATE.start_main_~x~4) (<= 41 ULTIMATE.start_main_~y~4)), 31856#(and (<= ULTIMATE.start_main_~x~4 41) (<= 41 ULTIMATE.start_main_~x~4) (<= 41 ULTIMATE.start_main_~y~4)), 31857#(and (<= ULTIMATE.start_main_~x~4 41) (<= 41 ULTIMATE.start_main_~x~4) (<= 42 ULTIMATE.start_main_~y~4)), 31858#(and (<= 42 ULTIMATE.start_main_~y~4) (<= ULTIMATE.start_main_~x~4 42) (<= 42 ULTIMATE.start_main_~x~4)), 31859#(and (<= 43 ULTIMATE.start_main_~y~4) (<= ULTIMATE.start_main_~x~4 42) (<= 42 ULTIMATE.start_main_~x~4)), 31860#(and (<= 43 ULTIMATE.start_main_~y~4) (<= ULTIMATE.start_main_~x~4 43) (<= 43 ULTIMATE.start_main_~x~4)), 31861#(and (<= ULTIMATE.start_main_~x~4 43) (<= 44 ULTIMATE.start_main_~y~4) (<= 43 ULTIMATE.start_main_~x~4)), 31862#(and (<= 44 ULTIMATE.start_main_~x~4) (<= ULTIMATE.start_main_~x~4 44) (<= 44 ULTIMATE.start_main_~y~4)), 31863#(and (<= 44 ULTIMATE.start_main_~x~4) (<= ULTIMATE.start_main_~x~4 44) (<= 45 ULTIMATE.start_main_~y~4)), 31864#(and (<= 45 ULTIMATE.start_main_~y~4) (<= 45 ULTIMATE.start_main_~x~4) (<= ULTIMATE.start_main_~x~4 45)), 31865#(and (<= 46 ULTIMATE.start_main_~y~4) (<= 45 ULTIMATE.start_main_~x~4) (<= ULTIMATE.start_main_~x~4 45)), 31866#(and (<= ULTIMATE.start_main_~x~4 46) (<= 46 ULTIMATE.start_main_~x~4) (<= 46 ULTIMATE.start_main_~y~4)), 31867#(and (<= ULTIMATE.start_main_~x~4 46) (<= 47 ULTIMATE.start_main_~y~4) (<= 46 ULTIMATE.start_main_~x~4)), 31868#(and (<= 47 ULTIMATE.start_main_~y~4) (<= 47 ULTIMATE.start_main_~x~4) (<= ULTIMATE.start_main_~x~4 47)), 31869#(and (<= 48 ULTIMATE.start_main_~y~4) (<= 47 ULTIMATE.start_main_~x~4) (<= ULTIMATE.start_main_~x~4 47)), 31870#(and (<= 48 ULTIMATE.start_main_~x~4) (<= 48 ULTIMATE.start_main_~y~4) (<= ULTIMATE.start_main_~x~4 48)), 31871#(and (<= 48 ULTIMATE.start_main_~x~4) (<= 49 ULTIMATE.start_main_~y~4) (<= ULTIMATE.start_main_~x~4 48)), 31872#(and (<= 49 ULTIMATE.start_main_~x~4) (<= 49 ULTIMATE.start_main_~y~4) (<= ULTIMATE.start_main_~x~4 49)), 31873#(and (<= 49 ULTIMATE.start_main_~x~4) (<= 50 ULTIMATE.start_main_~y~4)), 31874#(and (<= 50 ULTIMATE.start_main_~x~4) (<= 50 ULTIMATE.start_main_~y~4)), 31875#(and (<= 50 ULTIMATE.start_main_~x~4) (<= 49 ULTIMATE.start_main_~y~4)), 31876#(and (<= 51 ULTIMATE.start_main_~x~4) (<= 49 ULTIMATE.start_main_~y~4)), 31877#(and (<= 51 ULTIMATE.start_main_~x~4) (<= 48 ULTIMATE.start_main_~y~4)), 31878#(and (<= 52 ULTIMATE.start_main_~x~4) (<= 48 ULTIMATE.start_main_~y~4)), 31879#(and (<= 52 ULTIMATE.start_main_~x~4) (<= 47 ULTIMATE.start_main_~y~4)), 31880#(and (<= 47 ULTIMATE.start_main_~y~4) (<= 53 ULTIMATE.start_main_~x~4)), 31881#(and (<= 53 ULTIMATE.start_main_~x~4) (<= 46 ULTIMATE.start_main_~y~4)), 31882#(and (<= 54 ULTIMATE.start_main_~x~4) (<= 46 ULTIMATE.start_main_~y~4)), 31883#(and (<= 45 ULTIMATE.start_main_~y~4) (<= 54 ULTIMATE.start_main_~x~4)), 31884#(and (<= 45 ULTIMATE.start_main_~y~4) (<= 55 ULTIMATE.start_main_~x~4)), 31885#(and (<= 55 ULTIMATE.start_main_~x~4) (<= 44 ULTIMATE.start_main_~y~4)), 31886#(and (<= 56 ULTIMATE.start_main_~x~4) (<= 44 ULTIMATE.start_main_~y~4)), 31887#(and (<= 56 ULTIMATE.start_main_~x~4) (<= 43 ULTIMATE.start_main_~y~4)), 31888#(and (<= 43 ULTIMATE.start_main_~y~4) (<= 57 ULTIMATE.start_main_~x~4)), 31889#(and (<= 42 ULTIMATE.start_main_~y~4) (<= 57 ULTIMATE.start_main_~x~4)), 31890#(and (<= 58 ULTIMATE.start_main_~x~4) (<= 42 ULTIMATE.start_main_~y~4)), 31891#(and (<= 58 ULTIMATE.start_main_~x~4) (<= 41 ULTIMATE.start_main_~y~4)), 31892#(and (<= 41 ULTIMATE.start_main_~y~4) (<= 59 ULTIMATE.start_main_~x~4)), 31893#(and (<= 40 ULTIMATE.start_main_~y~4) (<= 59 ULTIMATE.start_main_~x~4)), 31894#(and (<= 60 ULTIMATE.start_main_~x~4) (<= 40 ULTIMATE.start_main_~y~4)), 31895#(and (<= 39 ULTIMATE.start_main_~y~4) (<= 60 ULTIMATE.start_main_~x~4)), 31896#(and (<= 61 ULTIMATE.start_main_~x~4) (<= 39 ULTIMATE.start_main_~y~4)), 31897#(and (<= 61 ULTIMATE.start_main_~x~4) (<= 38 ULTIMATE.start_main_~y~4)), 31898#(and (<= 38 ULTIMATE.start_main_~y~4) (<= 62 ULTIMATE.start_main_~x~4)), 31899#(and (<= 37 ULTIMATE.start_main_~y~4) (<= 62 ULTIMATE.start_main_~x~4)), 31900#(and (<= 63 ULTIMATE.start_main_~x~4) (<= 37 ULTIMATE.start_main_~y~4)), 31901#(and (<= 63 ULTIMATE.start_main_~x~4) (<= 36 ULTIMATE.start_main_~y~4)), 31902#(and (<= 64 ULTIMATE.start_main_~x~4) (<= 36 ULTIMATE.start_main_~y~4)), 31903#(and (<= 35 ULTIMATE.start_main_~y~4) (<= 64 ULTIMATE.start_main_~x~4)), 31904#(and (<= 35 ULTIMATE.start_main_~y~4) (<= 65 ULTIMATE.start_main_~x~4)), 31905#(and (<= 34 ULTIMATE.start_main_~y~4) (<= 65 ULTIMATE.start_main_~x~4)), 31906#(and (<= 66 ULTIMATE.start_main_~x~4) (<= 34 ULTIMATE.start_main_~y~4)), 31907#(and (<= 66 ULTIMATE.start_main_~x~4) (<= 33 ULTIMATE.start_main_~y~4)), 31908#(and (<= 67 ULTIMATE.start_main_~x~4) (<= 33 ULTIMATE.start_main_~y~4)), 31909#(and (<= 67 ULTIMATE.start_main_~x~4) (<= 32 ULTIMATE.start_main_~y~4)), 31910#(and (<= 32 ULTIMATE.start_main_~y~4) (<= 68 ULTIMATE.start_main_~x~4)), 31911#(and (<= 31 ULTIMATE.start_main_~y~4) (<= 68 ULTIMATE.start_main_~x~4)), 31912#(and (<= 31 ULTIMATE.start_main_~y~4) (<= 69 ULTIMATE.start_main_~x~4)), 31913#(and (<= 30 ULTIMATE.start_main_~y~4) (<= 69 ULTIMATE.start_main_~x~4)), 31914#(and (<= 70 ULTIMATE.start_main_~x~4) (<= 30 ULTIMATE.start_main_~y~4)), 31915#(and (<= 70 ULTIMATE.start_main_~x~4) (<= 29 ULTIMATE.start_main_~y~4)), 31916#(and (<= 71 ULTIMATE.start_main_~x~4) (<= 29 ULTIMATE.start_main_~y~4)), 31917#(and (<= 71 ULTIMATE.start_main_~x~4) (<= 28 ULTIMATE.start_main_~y~4)), 31918#(and (<= 72 ULTIMATE.start_main_~x~4) (<= 28 ULTIMATE.start_main_~y~4)), 31919#(and (<= 72 ULTIMATE.start_main_~x~4) (<= 27 ULTIMATE.start_main_~y~4)), 31920#(and (<= 27 ULTIMATE.start_main_~y~4) (<= 73 ULTIMATE.start_main_~x~4)), 31921#(and (<= 73 ULTIMATE.start_main_~x~4) (<= 26 ULTIMATE.start_main_~y~4)), 31922#(and (<= 74 ULTIMATE.start_main_~x~4) (<= 26 ULTIMATE.start_main_~y~4)), 31923#(<= 25 ULTIMATE.start_main_~y~4), 31924#(<= 1 ULTIMATE.start_main_~y~4)] [2018-07-23 13:41:49,279 INFO L134 CoverageAnalysis]: Checked inductivity of 5700 backedges. 0 proven. 5700 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2018-07-23 13:41:49,279 INFO L450 AbstractCegarLoop]: Interpolant automaton has 153 states [2018-07-23 13:41:49,279 INFO L132 InterpolantAutomaton]: Constructing interpolant automaton starting with 153 interpolants. [2018-07-23 13:41:49,280 INFO L133 InterpolantAutomaton]: CoverageRelationStatistics Valid=650, Invalid=22606, Unknown=0, NotChecked=0, Total=23256 [2018-07-23 13:41:49,280 INFO L87 Difference]: Start difference. First operand 155 states and 155 transitions. Second operand 153 states. [2018-07-23 13:41:50,169 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2018-07-23 13:41:50,169 INFO L93 Difference]: Finished difference Result 160 states and 160 transitions. [2018-07-23 13:41:50,169 INFO L142 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 153 states. [2018-07-23 13:41:50,169 INFO L78 Accepts]: Start accepts. Automaton has 153 states. Word has length 154 [2018-07-23 13:41:50,170 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2018-07-23 13:41:50,170 INFO L225 Difference]: With dead ends: 160 [2018-07-23 13:41:50,171 INFO L226 Difference]: Without dead ends: 158 [2018-07-23 13:41:50,172 INFO L575 BasicCegarLoop]: 0 DeclaredPredicates, 154 GetRequests, 1 SyntacticMatches, 1 SemanticMatches, 152 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 6493 ImplicationChecksByTransitivity, 1.0s TimeCoverageRelationStatistics Valid=656, Invalid=22906, Unknown=0, NotChecked=0, Total=23562 [2018-07-23 13:41:50,172 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 158 states. [2018-07-23 13:41:50,192 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 158 to 157. [2018-07-23 13:41:50,192 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 157 states. [2018-07-23 13:41:50,192 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 157 states to 157 states and 157 transitions. [2018-07-23 13:41:50,193 INFO L78 Accepts]: Start accepts. Automaton has 157 states and 157 transitions. Word has length 154 [2018-07-23 13:41:50,193 INFO L84 Accepts]: Finished accepts. word is rejected. [2018-07-23 13:41:50,193 INFO L471 AbstractCegarLoop]: Abstraction has 157 states and 157 transitions. [2018-07-23 13:41:50,193 INFO L472 AbstractCegarLoop]: Interpolant automaton has 153 states. [2018-07-23 13:41:50,193 INFO L276 IsEmpty]: Start isEmpty. Operand 157 states and 157 transitions. [2018-07-23 13:41:50,194 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 157 [2018-07-23 13:41:50,194 INFO L349 BasicCegarLoop]: Found error trace [2018-07-23 13:41:50,194 INFO L357 BasicCegarLoop]: trace histogram [77, 76, 1, 1, 1] [2018-07-23 13:41:50,194 INFO L414 AbstractCegarLoop]: === Iteration 77 === [ULTIMATE.startErr0AssertViolationASSERT]=== [2018-07-23 13:41:50,195 INFO L82 PathProgramCache]: Analyzing trace with hash 717102208, now seen corresponding path program 76 times [2018-07-23 13:41:50,195 INFO L69 tionRefinementEngine]: Using refinement strategy FixedRefinementStrategy [2018-07-23 13:41:50,217 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-07-23 13:41:51,276 INFO L134 CoverageAnalysis]: Checked inductivity of 5852 backedges. 0 proven. 5852 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2018-07-23 13:41:51,277 INFO L309 seRefinementStrategy]: Constructing automaton from 0 perfect and 1 imperfect interpolant sequences. [2018-07-23 13:41:51,277 INFO L324 seRefinementStrategy]: Number of different interpolants: perfect sequences [] imperfect sequences [154] total 154 [2018-07-23 13:41:51,277 INFO L142 lantAutomatonBuilder]: Constructing canonical interpolant automaton, with selfloop in false state [2018-07-23 13:41:51,277 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2018-07-23 13:41:51,278 INFO L185 omatonBuilderFactory]: Interpolants [32561#true, 32562#false, 32563#(and (<= 0 ULTIMATE.start_main_~y~4) (<= ULTIMATE.start_main_~x~4 0) (<= 0 ULTIMATE.start_main_~x~4)), 32564#(and (<= ULTIMATE.start_main_~x~4 0) (<= 0 ULTIMATE.start_main_~x~4) (<= 1 ULTIMATE.start_main_~y~4)), 32565#(and (<= ULTIMATE.start_main_~x~4 1) (<= 1 ULTIMATE.start_main_~y~4) (<= 1 ULTIMATE.start_main_~x~4)), 32566#(and (<= 2 ULTIMATE.start_main_~y~4) (<= ULTIMATE.start_main_~x~4 1) (<= 1 ULTIMATE.start_main_~x~4)), 32567#(and (<= 2 ULTIMATE.start_main_~y~4) (<= 2 ULTIMATE.start_main_~x~4) (<= ULTIMATE.start_main_~x~4 2)), 32568#(and (<= 3 ULTIMATE.start_main_~y~4) (<= 2 ULTIMATE.start_main_~x~4) (<= ULTIMATE.start_main_~x~4 2)), 32569#(and (<= 3 ULTIMATE.start_main_~x~4) (<= 3 ULTIMATE.start_main_~y~4) (<= ULTIMATE.start_main_~x~4 3)), 32570#(and (<= 3 ULTIMATE.start_main_~x~4) (<= 4 ULTIMATE.start_main_~y~4) (<= ULTIMATE.start_main_~x~4 3)), 32571#(and (<= 4 ULTIMATE.start_main_~y~4) (<= ULTIMATE.start_main_~x~4 4) (<= 4 ULTIMATE.start_main_~x~4)), 32572#(and (<= 5 ULTIMATE.start_main_~y~4) (<= ULTIMATE.start_main_~x~4 4) (<= 4 ULTIMATE.start_main_~x~4)), 32573#(and (<= ULTIMATE.start_main_~x~4 5) (<= 5 ULTIMATE.start_main_~y~4) (<= 5 ULTIMATE.start_main_~x~4)), 32574#(and (<= ULTIMATE.start_main_~x~4 5) (<= 6 ULTIMATE.start_main_~y~4) (<= 5 ULTIMATE.start_main_~x~4)), 32575#(and (<= 6 ULTIMATE.start_main_~x~4) (<= 6 ULTIMATE.start_main_~y~4) (<= ULTIMATE.start_main_~x~4 6)), 32576#(and (<= 6 ULTIMATE.start_main_~x~4) (<= 7 ULTIMATE.start_main_~y~4) (<= ULTIMATE.start_main_~x~4 6)), 32577#(and (<= ULTIMATE.start_main_~x~4 7) (<= 7 ULTIMATE.start_main_~y~4) (<= 7 ULTIMATE.start_main_~x~4)), 32578#(and (<= ULTIMATE.start_main_~x~4 7) (<= 7 ULTIMATE.start_main_~x~4) (<= 8 ULTIMATE.start_main_~y~4)), 32579#(and (<= ULTIMATE.start_main_~x~4 8) (<= 8 ULTIMATE.start_main_~y~4) (<= 8 ULTIMATE.start_main_~x~4)), 32580#(and (<= ULTIMATE.start_main_~x~4 8) (<= 8 ULTIMATE.start_main_~x~4) (<= 9 ULTIMATE.start_main_~y~4)), 32581#(and (<= 9 ULTIMATE.start_main_~x~4) (<= ULTIMATE.start_main_~x~4 9) (<= 9 ULTIMATE.start_main_~y~4)), 32582#(and (<= 9 ULTIMATE.start_main_~x~4) (<= 10 ULTIMATE.start_main_~y~4) (<= ULTIMATE.start_main_~x~4 9)), 32583#(and (<= ULTIMATE.start_main_~x~4 10) (<= 10 ULTIMATE.start_main_~y~4) (<= 10 ULTIMATE.start_main_~x~4)), 32584#(and (<= ULTIMATE.start_main_~x~4 10) (<= 11 ULTIMATE.start_main_~y~4) (<= 10 ULTIMATE.start_main_~x~4)), 32585#(and (<= ULTIMATE.start_main_~x~4 11) (<= 11 ULTIMATE.start_main_~x~4) (<= 11 ULTIMATE.start_main_~y~4)), 32586#(and (<= ULTIMATE.start_main_~x~4 11) (<= 11 ULTIMATE.start_main_~x~4) (<= 12 ULTIMATE.start_main_~y~4)), 32587#(and (<= 12 ULTIMATE.start_main_~x~4) (<= 12 ULTIMATE.start_main_~y~4) (<= ULTIMATE.start_main_~x~4 12)), 32588#(and (<= 12 ULTIMATE.start_main_~x~4) (<= 13 ULTIMATE.start_main_~y~4) (<= ULTIMATE.start_main_~x~4 12)), 32589#(and (<= 13 ULTIMATE.start_main_~y~4) (<= ULTIMATE.start_main_~x~4 13) (<= 13 ULTIMATE.start_main_~x~4)), 32590#(and (<= 14 ULTIMATE.start_main_~y~4) (<= ULTIMATE.start_main_~x~4 13) (<= 13 ULTIMATE.start_main_~x~4)), 32591#(and (<= 14 ULTIMATE.start_main_~y~4) (<= 14 ULTIMATE.start_main_~x~4) (<= ULTIMATE.start_main_~x~4 14)), 32592#(and (<= 14 ULTIMATE.start_main_~x~4) (<= ULTIMATE.start_main_~x~4 14) (<= 15 ULTIMATE.start_main_~y~4)), 32593#(and (<= 15 ULTIMATE.start_main_~x~4) (<= 15 ULTIMATE.start_main_~y~4) (<= ULTIMATE.start_main_~x~4 15)), 32594#(and (<= 15 ULTIMATE.start_main_~x~4) (<= 16 ULTIMATE.start_main_~y~4) (<= ULTIMATE.start_main_~x~4 15)), 32595#(and (<= ULTIMATE.start_main_~x~4 16) (<= 16 ULTIMATE.start_main_~x~4) (<= 16 ULTIMATE.start_main_~y~4)), 32596#(and (<= ULTIMATE.start_main_~x~4 16) (<= 16 ULTIMATE.start_main_~x~4) (<= 17 ULTIMATE.start_main_~y~4)), 32597#(and (<= ULTIMATE.start_main_~x~4 17) (<= 17 ULTIMATE.start_main_~y~4) (<= 17 ULTIMATE.start_main_~x~4)), 32598#(and (<= 18 ULTIMATE.start_main_~y~4) (<= ULTIMATE.start_main_~x~4 17) (<= 17 ULTIMATE.start_main_~x~4)), 32599#(and (<= 18 ULTIMATE.start_main_~y~4) (<= 18 ULTIMATE.start_main_~x~4) (<= ULTIMATE.start_main_~x~4 18)), 32600#(and (<= 18 ULTIMATE.start_main_~x~4) (<= ULTIMATE.start_main_~x~4 18) (<= 19 ULTIMATE.start_main_~y~4)), 32601#(and (<= 19 ULTIMATE.start_main_~y~4) (<= 19 ULTIMATE.start_main_~x~4) (<= ULTIMATE.start_main_~x~4 19)), 32602#(and (<= 20 ULTIMATE.start_main_~y~4) (<= 19 ULTIMATE.start_main_~x~4) (<= ULTIMATE.start_main_~x~4 19)), 32603#(and (<= 20 ULTIMATE.start_main_~x~4) (<= 20 ULTIMATE.start_main_~y~4) (<= ULTIMATE.start_main_~x~4 20)), 32604#(and (<= 20 ULTIMATE.start_main_~x~4) (<= 21 ULTIMATE.start_main_~y~4) (<= ULTIMATE.start_main_~x~4 20)), 32605#(and (<= ULTIMATE.start_main_~x~4 21) (<= 21 ULTIMATE.start_main_~y~4) (<= 21 ULTIMATE.start_main_~x~4)), 32606#(and (<= ULTIMATE.start_main_~x~4 21) (<= 21 ULTIMATE.start_main_~x~4) (<= 22 ULTIMATE.start_main_~y~4)), 32607#(and (<= ULTIMATE.start_main_~x~4 22) (<= 22 ULTIMATE.start_main_~x~4) (<= 22 ULTIMATE.start_main_~y~4)), 32608#(and (<= 23 ULTIMATE.start_main_~y~4) (<= ULTIMATE.start_main_~x~4 22) (<= 22 ULTIMATE.start_main_~x~4)), 32609#(and (<= ULTIMATE.start_main_~x~4 23) (<= 23 ULTIMATE.start_main_~x~4) (<= 23 ULTIMATE.start_main_~y~4)), 32610#(and (<= ULTIMATE.start_main_~x~4 23) (<= 23 ULTIMATE.start_main_~x~4) (<= 24 ULTIMATE.start_main_~y~4)), 32611#(and (<= 24 ULTIMATE.start_main_~y~4) (<= ULTIMATE.start_main_~x~4 24) (<= 24 ULTIMATE.start_main_~x~4)), 32612#(and (<= 25 ULTIMATE.start_main_~y~4) (<= ULTIMATE.start_main_~x~4 24) (<= 24 ULTIMATE.start_main_~x~4)), 32613#(and (<= 25 ULTIMATE.start_main_~y~4) (<= ULTIMATE.start_main_~x~4 25) (<= 25 ULTIMATE.start_main_~x~4)), 32614#(and (<= ULTIMATE.start_main_~x~4 25) (<= 26 ULTIMATE.start_main_~y~4) (<= 25 ULTIMATE.start_main_~x~4)), 32615#(and (<= ULTIMATE.start_main_~x~4 26) (<= 26 ULTIMATE.start_main_~y~4) (<= 26 ULTIMATE.start_main_~x~4)), 32616#(and (<= ULTIMATE.start_main_~x~4 26) (<= 27 ULTIMATE.start_main_~y~4) (<= 26 ULTIMATE.start_main_~x~4)), 32617#(and (<= ULTIMATE.start_main_~x~4 27) (<= 27 ULTIMATE.start_main_~y~4) (<= 27 ULTIMATE.start_main_~x~4)), 32618#(and (<= ULTIMATE.start_main_~x~4 27) (<= 27 ULTIMATE.start_main_~x~4) (<= 28 ULTIMATE.start_main_~y~4)), 32619#(and (<= ULTIMATE.start_main_~x~4 28) (<= 28 ULTIMATE.start_main_~y~4) (<= 28 ULTIMATE.start_main_~x~4)), 32620#(and (<= ULTIMATE.start_main_~x~4 28) (<= 29 ULTIMATE.start_main_~y~4) (<= 28 ULTIMATE.start_main_~x~4)), 32621#(and (<= 29 ULTIMATE.start_main_~x~4) (<= 29 ULTIMATE.start_main_~y~4) (<= ULTIMATE.start_main_~x~4 29)), 32622#(and (<= 29 ULTIMATE.start_main_~x~4) (<= 30 ULTIMATE.start_main_~y~4) (<= ULTIMATE.start_main_~x~4 29)), 32623#(and (<= ULTIMATE.start_main_~x~4 30) (<= 30 ULTIMATE.start_main_~y~4) (<= 30 ULTIMATE.start_main_~x~4)), 32624#(and (<= ULTIMATE.start_main_~x~4 30) (<= 31 ULTIMATE.start_main_~y~4) (<= 30 ULTIMATE.start_main_~x~4)), 32625#(and (<= ULTIMATE.start_main_~x~4 31) (<= 31 ULTIMATE.start_main_~y~4) (<= 31 ULTIMATE.start_main_~x~4)), 32626#(and (<= ULTIMATE.start_main_~x~4 31) (<= 32 ULTIMATE.start_main_~y~4) (<= 31 ULTIMATE.start_main_~x~4)), 32627#(and (<= ULTIMATE.start_main_~x~4 32) (<= 32 ULTIMATE.start_main_~y~4) (<= 32 ULTIMATE.start_main_~x~4)), 32628#(and (<= ULTIMATE.start_main_~x~4 32) (<= 33 ULTIMATE.start_main_~y~4) (<= 32 ULTIMATE.start_main_~x~4)), 32629#(and (<= ULTIMATE.start_main_~x~4 33) (<= 33 ULTIMATE.start_main_~y~4) (<= 33 ULTIMATE.start_main_~x~4)), 32630#(and (<= ULTIMATE.start_main_~x~4 33) (<= 33 ULTIMATE.start_main_~x~4) (<= 34 ULTIMATE.start_main_~y~4)), 32631#(and (<= 34 ULTIMATE.start_main_~x~4) (<= ULTIMATE.start_main_~x~4 34) (<= 34 ULTIMATE.start_main_~y~4)), 32632#(and (<= 34 ULTIMATE.start_main_~x~4) (<= ULTIMATE.start_main_~x~4 34) (<= 35 ULTIMATE.start_main_~y~4)), 32633#(and (<= ULTIMATE.start_main_~x~4 35) (<= 35 ULTIMATE.start_main_~y~4) (<= 35 ULTIMATE.start_main_~x~4)), 32634#(and (<= ULTIMATE.start_main_~x~4 35) (<= 35 ULTIMATE.start_main_~x~4) (<= 36 ULTIMATE.start_main_~y~4)), 32635#(and (<= 36 ULTIMATE.start_main_~x~4) (<= ULTIMATE.start_main_~x~4 36) (<= 36 ULTIMATE.start_main_~y~4)), 32636#(and (<= 36 ULTIMATE.start_main_~x~4) (<= 37 ULTIMATE.start_main_~y~4) (<= ULTIMATE.start_main_~x~4 36)), 32637#(and (<= 37 ULTIMATE.start_main_~y~4) (<= ULTIMATE.start_main_~x~4 37) (<= 37 ULTIMATE.start_main_~x~4)), 32638#(and (<= ULTIMATE.start_main_~x~4 37) (<= 38 ULTIMATE.start_main_~y~4) (<= 37 ULTIMATE.start_main_~x~4)), 32639#(and (<= 38 ULTIMATE.start_main_~x~4) (<= ULTIMATE.start_main_~x~4 38) (<= 38 ULTIMATE.start_main_~y~4)), 32640#(and (<= 38 ULTIMATE.start_main_~x~4) (<= 39 ULTIMATE.start_main_~y~4) (<= ULTIMATE.start_main_~x~4 38)), 32641#(and (<= 39 ULTIMATE.start_main_~y~4) (<= ULTIMATE.start_main_~x~4 39) (<= 39 ULTIMATE.start_main_~x~4)), 32642#(and (<= ULTIMATE.start_main_~x~4 39) (<= 39 ULTIMATE.start_main_~x~4) (<= 40 ULTIMATE.start_main_~y~4)), 32643#(and (<= ULTIMATE.start_main_~x~4 40) (<= 40 ULTIMATE.start_main_~x~4) (<= 40 ULTIMATE.start_main_~y~4)), 32644#(and (<= ULTIMATE.start_main_~x~4 40) (<= 40 ULTIMATE.start_main_~x~4) (<= 41 ULTIMATE.start_main_~y~4)), 32645#(and (<= ULTIMATE.start_main_~x~4 41) (<= 41 ULTIMATE.start_main_~x~4) (<= 41 ULTIMATE.start_main_~y~4)), 32646#(and (<= ULTIMATE.start_main_~x~4 41) (<= 41 ULTIMATE.start_main_~x~4) (<= 42 ULTIMATE.start_main_~y~4)), 32647#(and (<= 42 ULTIMATE.start_main_~y~4) (<= ULTIMATE.start_main_~x~4 42) (<= 42 ULTIMATE.start_main_~x~4)), 32648#(and (<= 43 ULTIMATE.start_main_~y~4) (<= ULTIMATE.start_main_~x~4 42) (<= 42 ULTIMATE.start_main_~x~4)), 32649#(and (<= 43 ULTIMATE.start_main_~y~4) (<= ULTIMATE.start_main_~x~4 43) (<= 43 ULTIMATE.start_main_~x~4)), 32650#(and (<= ULTIMATE.start_main_~x~4 43) (<= 44 ULTIMATE.start_main_~y~4) (<= 43 ULTIMATE.start_main_~x~4)), 32651#(and (<= 44 ULTIMATE.start_main_~x~4) (<= ULTIMATE.start_main_~x~4 44) (<= 44 ULTIMATE.start_main_~y~4)), 32652#(and (<= 44 ULTIMATE.start_main_~x~4) (<= ULTIMATE.start_main_~x~4 44) (<= 45 ULTIMATE.start_main_~y~4)), 32653#(and (<= 45 ULTIMATE.start_main_~y~4) (<= 45 ULTIMATE.start_main_~x~4) (<= ULTIMATE.start_main_~x~4 45)), 32654#(and (<= 46 ULTIMATE.start_main_~y~4) (<= 45 ULTIMATE.start_main_~x~4) (<= ULTIMATE.start_main_~x~4 45)), 32655#(and (<= ULTIMATE.start_main_~x~4 46) (<= 46 ULTIMATE.start_main_~x~4) (<= 46 ULTIMATE.start_main_~y~4)), 32656#(and (<= ULTIMATE.start_main_~x~4 46) (<= 47 ULTIMATE.start_main_~y~4) (<= 46 ULTIMATE.start_main_~x~4)), 32657#(and (<= 47 ULTIMATE.start_main_~y~4) (<= 47 ULTIMATE.start_main_~x~4) (<= ULTIMATE.start_main_~x~4 47)), 32658#(and (<= 48 ULTIMATE.start_main_~y~4) (<= 47 ULTIMATE.start_main_~x~4) (<= ULTIMATE.start_main_~x~4 47)), 32659#(and (<= 48 ULTIMATE.start_main_~x~4) (<= 48 ULTIMATE.start_main_~y~4) (<= ULTIMATE.start_main_~x~4 48)), 32660#(and (<= 48 ULTIMATE.start_main_~x~4) (<= 49 ULTIMATE.start_main_~y~4) (<= ULTIMATE.start_main_~x~4 48)), 32661#(and (<= 49 ULTIMATE.start_main_~x~4) (<= 49 ULTIMATE.start_main_~y~4) (<= ULTIMATE.start_main_~x~4 49)), 32662#(and (<= 49 ULTIMATE.start_main_~x~4) (<= 50 ULTIMATE.start_main_~y~4)), 32663#(and (<= 50 ULTIMATE.start_main_~x~4) (<= 50 ULTIMATE.start_main_~y~4)), 32664#(and (<= 50 ULTIMATE.start_main_~x~4) (<= 49 ULTIMATE.start_main_~y~4)), 32665#(and (<= 51 ULTIMATE.start_main_~x~4) (<= 49 ULTIMATE.start_main_~y~4)), 32666#(and (<= 51 ULTIMATE.start_main_~x~4) (<= 48 ULTIMATE.start_main_~y~4)), 32667#(and (<= 52 ULTIMATE.start_main_~x~4) (<= 48 ULTIMATE.start_main_~y~4)), 32668#(and (<= 52 ULTIMATE.start_main_~x~4) (<= 47 ULTIMATE.start_main_~y~4)), 32669#(and (<= 47 ULTIMATE.start_main_~y~4) (<= 53 ULTIMATE.start_main_~x~4)), 32670#(and (<= 53 ULTIMATE.start_main_~x~4) (<= 46 ULTIMATE.start_main_~y~4)), 32671#(and (<= 54 ULTIMATE.start_main_~x~4) (<= 46 ULTIMATE.start_main_~y~4)), 32672#(and (<= 45 ULTIMATE.start_main_~y~4) (<= 54 ULTIMATE.start_main_~x~4)), 32673#(and (<= 45 ULTIMATE.start_main_~y~4) (<= 55 ULTIMATE.start_main_~x~4)), 32674#(and (<= 55 ULTIMATE.start_main_~x~4) (<= 44 ULTIMATE.start_main_~y~4)), 32675#(and (<= 56 ULTIMATE.start_main_~x~4) (<= 44 ULTIMATE.start_main_~y~4)), 32676#(and (<= 56 ULTIMATE.start_main_~x~4) (<= 43 ULTIMATE.start_main_~y~4)), 32677#(and (<= 43 ULTIMATE.start_main_~y~4) (<= 57 ULTIMATE.start_main_~x~4)), 32678#(and (<= 42 ULTIMATE.start_main_~y~4) (<= 57 ULTIMATE.start_main_~x~4)), 32679#(and (<= 58 ULTIMATE.start_main_~x~4) (<= 42 ULTIMATE.start_main_~y~4)), 32680#(and (<= 58 ULTIMATE.start_main_~x~4) (<= 41 ULTIMATE.start_main_~y~4)), 32681#(and (<= 41 ULTIMATE.start_main_~y~4) (<= 59 ULTIMATE.start_main_~x~4)), 32682#(and (<= 40 ULTIMATE.start_main_~y~4) (<= 59 ULTIMATE.start_main_~x~4)), 32683#(and (<= 60 ULTIMATE.start_main_~x~4) (<= 40 ULTIMATE.start_main_~y~4)), 32684#(and (<= 39 ULTIMATE.start_main_~y~4) (<= 60 ULTIMATE.start_main_~x~4)), 32685#(and (<= 61 ULTIMATE.start_main_~x~4) (<= 39 ULTIMATE.start_main_~y~4)), 32686#(and (<= 61 ULTIMATE.start_main_~x~4) (<= 38 ULTIMATE.start_main_~y~4)), 32687#(and (<= 38 ULTIMATE.start_main_~y~4) (<= 62 ULTIMATE.start_main_~x~4)), 32688#(and (<= 37 ULTIMATE.start_main_~y~4) (<= 62 ULTIMATE.start_main_~x~4)), 32689#(and (<= 63 ULTIMATE.start_main_~x~4) (<= 37 ULTIMATE.start_main_~y~4)), 32690#(and (<= 63 ULTIMATE.start_main_~x~4) (<= 36 ULTIMATE.start_main_~y~4)), 32691#(and (<= 64 ULTIMATE.start_main_~x~4) (<= 36 ULTIMATE.start_main_~y~4)), 32692#(and (<= 35 ULTIMATE.start_main_~y~4) (<= 64 ULTIMATE.start_main_~x~4)), 32693#(and (<= 35 ULTIMATE.start_main_~y~4) (<= 65 ULTIMATE.start_main_~x~4)), 32694#(and (<= 34 ULTIMATE.start_main_~y~4) (<= 65 ULTIMATE.start_main_~x~4)), 32695#(and (<= 66 ULTIMATE.start_main_~x~4) (<= 34 ULTIMATE.start_main_~y~4)), 32696#(and (<= 66 ULTIMATE.start_main_~x~4) (<= 33 ULTIMATE.start_main_~y~4)), 32697#(and (<= 67 ULTIMATE.start_main_~x~4) (<= 33 ULTIMATE.start_main_~y~4)), 32698#(and (<= 67 ULTIMATE.start_main_~x~4) (<= 32 ULTIMATE.start_main_~y~4)), 32699#(and (<= 32 ULTIMATE.start_main_~y~4) (<= 68 ULTIMATE.start_main_~x~4)), 32700#(and (<= 31 ULTIMATE.start_main_~y~4) (<= 68 ULTIMATE.start_main_~x~4)), 32701#(and (<= 31 ULTIMATE.start_main_~y~4) (<= 69 ULTIMATE.start_main_~x~4)), 32702#(and (<= 30 ULTIMATE.start_main_~y~4) (<= 69 ULTIMATE.start_main_~x~4)), 32703#(and (<= 70 ULTIMATE.start_main_~x~4) (<= 30 ULTIMATE.start_main_~y~4)), 32704#(and (<= 70 ULTIMATE.start_main_~x~4) (<= 29 ULTIMATE.start_main_~y~4)), 32705#(and (<= 71 ULTIMATE.start_main_~x~4) (<= 29 ULTIMATE.start_main_~y~4)), 32706#(and (<= 71 ULTIMATE.start_main_~x~4) (<= 28 ULTIMATE.start_main_~y~4)), 32707#(and (<= 72 ULTIMATE.start_main_~x~4) (<= 28 ULTIMATE.start_main_~y~4)), 32708#(and (<= 72 ULTIMATE.start_main_~x~4) (<= 27 ULTIMATE.start_main_~y~4)), 32709#(and (<= 27 ULTIMATE.start_main_~y~4) (<= 73 ULTIMATE.start_main_~x~4)), 32710#(and (<= 73 ULTIMATE.start_main_~x~4) (<= 26 ULTIMATE.start_main_~y~4)), 32711#(and (<= 74 ULTIMATE.start_main_~x~4) (<= 26 ULTIMATE.start_main_~y~4)), 32712#(and (<= 74 ULTIMATE.start_main_~x~4) (<= 25 ULTIMATE.start_main_~y~4)), 32713#(and (<= 75 ULTIMATE.start_main_~x~4) (<= 25 ULTIMATE.start_main_~y~4)), 32714#(<= 24 ULTIMATE.start_main_~y~4), 32715#(<= 1 ULTIMATE.start_main_~y~4)] [2018-07-23 13:41:51,278 INFO L134 CoverageAnalysis]: Checked inductivity of 5852 backedges. 0 proven. 5852 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2018-07-23 13:41:51,278 INFO L450 AbstractCegarLoop]: Interpolant automaton has 155 states [2018-07-23 13:41:51,279 INFO L132 InterpolantAutomaton]: Constructing interpolant automaton starting with 155 interpolants. [2018-07-23 13:41:51,280 INFO L133 InterpolantAutomaton]: CoverageRelationStatistics Valid=662, Invalid=23208, Unknown=0, NotChecked=0, Total=23870 [2018-07-23 13:41:51,280 INFO L87 Difference]: Start difference. First operand 157 states and 157 transitions. Second operand 155 states. [2018-07-23 13:41:52,244 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2018-07-23 13:41:52,244 INFO L93 Difference]: Finished difference Result 162 states and 162 transitions. [2018-07-23 13:41:52,245 INFO L142 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 155 states. [2018-07-23 13:41:52,245 INFO L78 Accepts]: Start accepts. Automaton has 155 states. Word has length 156 [2018-07-23 13:41:52,245 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2018-07-23 13:41:52,246 INFO L225 Difference]: With dead ends: 162 [2018-07-23 13:41:52,246 INFO L226 Difference]: Without dead ends: 160 [2018-07-23 13:41:52,247 INFO L575 BasicCegarLoop]: 0 DeclaredPredicates, 156 GetRequests, 1 SyntacticMatches, 1 SemanticMatches, 154 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 6699 ImplicationChecksByTransitivity, 0.8s TimeCoverageRelationStatistics Valid=668, Invalid=23512, Unknown=0, NotChecked=0, Total=24180 [2018-07-23 13:41:52,247 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 160 states. [2018-07-23 13:41:52,261 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 160 to 159. [2018-07-23 13:41:52,262 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 159 states. [2018-07-23 13:41:52,262 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 159 states to 159 states and 159 transitions. [2018-07-23 13:41:52,262 INFO L78 Accepts]: Start accepts. Automaton has 159 states and 159 transitions. Word has length 156 [2018-07-23 13:41:52,262 INFO L84 Accepts]: Finished accepts. word is rejected. [2018-07-23 13:41:52,262 INFO L471 AbstractCegarLoop]: Abstraction has 159 states and 159 transitions. [2018-07-23 13:41:52,262 INFO L472 AbstractCegarLoop]: Interpolant automaton has 155 states. [2018-07-23 13:41:52,263 INFO L276 IsEmpty]: Start isEmpty. Operand 159 states and 159 transitions. [2018-07-23 13:41:52,263 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 159 [2018-07-23 13:41:52,263 INFO L349 BasicCegarLoop]: Found error trace [2018-07-23 13:41:52,263 INFO L357 BasicCegarLoop]: trace histogram [78, 77, 1, 1, 1] [2018-07-23 13:41:52,263 INFO L414 AbstractCegarLoop]: === Iteration 78 === [ULTIMATE.startErr0AssertViolationASSERT]=== [2018-07-23 13:41:52,264 INFO L82 PathProgramCache]: Analyzing trace with hash 1940518310, now seen corresponding path program 77 times [2018-07-23 13:41:52,264 INFO L69 tionRefinementEngine]: Using refinement strategy FixedRefinementStrategy [2018-07-23 13:41:52,293 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-07-23 13:41:53,427 INFO L134 CoverageAnalysis]: Checked inductivity of 6006 backedges. 0 proven. 6006 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2018-07-23 13:41:53,428 INFO L309 seRefinementStrategy]: Constructing automaton from 0 perfect and 1 imperfect interpolant sequences. [2018-07-23 13:41:53,428 INFO L324 seRefinementStrategy]: Number of different interpolants: perfect sequences [] imperfect sequences [156] total 156 [2018-07-23 13:41:53,428 INFO L142 lantAutomatonBuilder]: Constructing canonical interpolant automaton, with selfloop in false state [2018-07-23 13:41:53,428 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 13:41:53,429 INFO L185 omatonBuilderFactory]: Interpolants [33360#true, 33361#false, 33362#(and (<= 0 ULTIMATE.start_main_~y~4) (<= ULTIMATE.start_main_~x~4 0) (<= 0 ULTIMATE.start_main_~x~4)), 33363#(and (<= ULTIMATE.start_main_~x~4 0) (<= 0 ULTIMATE.start_main_~x~4) (<= 1 ULTIMATE.start_main_~y~4)), 33364#(and (<= ULTIMATE.start_main_~x~4 1) (<= 1 ULTIMATE.start_main_~y~4) (<= 1 ULTIMATE.start_main_~x~4)), 33365#(and (<= 2 ULTIMATE.start_main_~y~4) (<= ULTIMATE.start_main_~x~4 1) (<= 1 ULTIMATE.start_main_~x~4)), 33366#(and (<= 2 ULTIMATE.start_main_~y~4) (<= 2 ULTIMATE.start_main_~x~4) (<= ULTIMATE.start_main_~x~4 2)), 33367#(and (<= 3 ULTIMATE.start_main_~y~4) (<= 2 ULTIMATE.start_main_~x~4) (<= ULTIMATE.start_main_~x~4 2)), 33368#(and (<= 3 ULTIMATE.start_main_~x~4) (<= 3 ULTIMATE.start_main_~y~4) (<= ULTIMATE.start_main_~x~4 3)), 33369#(and (<= 3 ULTIMATE.start_main_~x~4) (<= 4 ULTIMATE.start_main_~y~4) (<= ULTIMATE.start_main_~x~4 3)), 33370#(and (<= 4 ULTIMATE.start_main_~y~4) (<= ULTIMATE.start_main_~x~4 4) (<= 4 ULTIMATE.start_main_~x~4)), 33371#(and (<= 5 ULTIMATE.start_main_~y~4) (<= ULTIMATE.start_main_~x~4 4) (<= 4 ULTIMATE.start_main_~x~4)), 33372#(and (<= ULTIMATE.start_main_~x~4 5) (<= 5 ULTIMATE.start_main_~y~4) (<= 5 ULTIMATE.start_main_~x~4)), 33373#(and (<= ULTIMATE.start_main_~x~4 5) (<= 6 ULTIMATE.start_main_~y~4) (<= 5 ULTIMATE.start_main_~x~4)), 33374#(and (<= 6 ULTIMATE.start_main_~x~4) (<= 6 ULTIMATE.start_main_~y~4) (<= ULTIMATE.start_main_~x~4 6)), 33375#(and (<= 6 ULTIMATE.start_main_~x~4) (<= 7 ULTIMATE.start_main_~y~4) (<= ULTIMATE.start_main_~x~4 6)), 33376#(and (<= ULTIMATE.start_main_~x~4 7) (<= 7 ULTIMATE.start_main_~y~4) (<= 7 ULTIMATE.start_main_~x~4)), 33377#(and (<= ULTIMATE.start_main_~x~4 7) (<= 7 ULTIMATE.start_main_~x~4) (<= 8 ULTIMATE.start_main_~y~4)), 33378#(and (<= ULTIMATE.start_main_~x~4 8) (<= 8 ULTIMATE.start_main_~y~4) (<= 8 ULTIMATE.start_main_~x~4)), 33379#(and (<= ULTIMATE.start_main_~x~4 8) (<= 8 ULTIMATE.start_main_~x~4) (<= 9 ULTIMATE.start_main_~y~4)), 33380#(and (<= 9 ULTIMATE.start_main_~x~4) (<= ULTIMATE.start_main_~x~4 9) (<= 9 ULTIMATE.start_main_~y~4)), 33381#(and (<= 9 ULTIMATE.start_main_~x~4) (<= 10 ULTIMATE.start_main_~y~4) (<= ULTIMATE.start_main_~x~4 9)), 33382#(and (<= ULTIMATE.start_main_~x~4 10) (<= 10 ULTIMATE.start_main_~y~4) (<= 10 ULTIMATE.start_main_~x~4)), 33383#(and (<= ULTIMATE.start_main_~x~4 10) (<= 11 ULTIMATE.start_main_~y~4) (<= 10 ULTIMATE.start_main_~x~4)), 33384#(and (<= ULTIMATE.start_main_~x~4 11) (<= 11 ULTIMATE.start_main_~x~4) (<= 11 ULTIMATE.start_main_~y~4)), 33385#(and (<= ULTIMATE.start_main_~x~4 11) (<= 11 ULTIMATE.start_main_~x~4) (<= 12 ULTIMATE.start_main_~y~4)), 33386#(and (<= 12 ULTIMATE.start_main_~x~4) (<= 12 ULTIMATE.start_main_~y~4) (<= ULTIMATE.start_main_~x~4 12)), 33387#(and (<= 12 ULTIMATE.start_main_~x~4) (<= 13 ULTIMATE.start_main_~y~4) (<= ULTIMATE.start_main_~x~4 12)), 33388#(and (<= 13 ULTIMATE.start_main_~y~4) (<= ULTIMATE.start_main_~x~4 13) (<= 13 ULTIMATE.start_main_~x~4)), 33389#(and (<= 14 ULTIMATE.start_main_~y~4) (<= ULTIMATE.start_main_~x~4 13) (<= 13 ULTIMATE.start_main_~x~4)), 33390#(and (<= 14 ULTIMATE.start_main_~y~4) (<= 14 ULTIMATE.start_main_~x~4) (<= ULTIMATE.start_main_~x~4 14)), 33391#(and (<= 14 ULTIMATE.start_main_~x~4) (<= ULTIMATE.start_main_~x~4 14) (<= 15 ULTIMATE.start_main_~y~4)), 33392#(and (<= 15 ULTIMATE.start_main_~x~4) (<= 15 ULTIMATE.start_main_~y~4) (<= ULTIMATE.start_main_~x~4 15)), 33393#(and (<= 15 ULTIMATE.start_main_~x~4) (<= 16 ULTIMATE.start_main_~y~4) (<= ULTIMATE.start_main_~x~4 15)), 33394#(and (<= ULTIMATE.start_main_~x~4 16) (<= 16 ULTIMATE.start_main_~x~4) (<= 16 ULTIMATE.start_main_~y~4)), 33395#(and (<= ULTIMATE.start_main_~x~4 16) (<= 16 ULTIMATE.start_main_~x~4) (<= 17 ULTIMATE.start_main_~y~4)), 33396#(and (<= ULTIMATE.start_main_~x~4 17) (<= 17 ULTIMATE.start_main_~y~4) (<= 17 ULTIMATE.start_main_~x~4)), 33397#(and (<= 18 ULTIMATE.start_main_~y~4) (<= ULTIMATE.start_main_~x~4 17) (<= 17 ULTIMATE.start_main_~x~4)), 33398#(and (<= 18 ULTIMATE.start_main_~y~4) (<= 18 ULTIMATE.start_main_~x~4) (<= ULTIMATE.start_main_~x~4 18)), 33399#(and (<= 18 ULTIMATE.start_main_~x~4) (<= ULTIMATE.start_main_~x~4 18) (<= 19 ULTIMATE.start_main_~y~4)), 33400#(and (<= 19 ULTIMATE.start_main_~y~4) (<= 19 ULTIMATE.start_main_~x~4) (<= ULTIMATE.start_main_~x~4 19)), 33401#(and (<= 20 ULTIMATE.start_main_~y~4) (<= 19 ULTIMATE.start_main_~x~4) (<= ULTIMATE.start_main_~x~4 19)), 33402#(and (<= 20 ULTIMATE.start_main_~x~4) (<= 20 ULTIMATE.start_main_~y~4) (<= ULTIMATE.start_main_~x~4 20)), 33403#(and (<= 20 ULTIMATE.start_main_~x~4) (<= 21 ULTIMATE.start_main_~y~4) (<= ULTIMATE.start_main_~x~4 20)), 33404#(and (<= ULTIMATE.start_main_~x~4 21) (<= 21 ULTIMATE.start_main_~y~4) (<= 21 ULTIMATE.start_main_~x~4)), 33405#(and (<= ULTIMATE.start_main_~x~4 21) (<= 21 ULTIMATE.start_main_~x~4) (<= 22 ULTIMATE.start_main_~y~4)), 33406#(and (<= ULTIMATE.start_main_~x~4 22) (<= 22 ULTIMATE.start_main_~x~4) (<= 22 ULTIMATE.start_main_~y~4)), 33407#(and (<= 23 ULTIMATE.start_main_~y~4) (<= ULTIMATE.start_main_~x~4 22) (<= 22 ULTIMATE.start_main_~x~4)), 33408#(and (<= ULTIMATE.start_main_~x~4 23) (<= 23 ULTIMATE.start_main_~x~4) (<= 23 ULTIMATE.start_main_~y~4)), 33409#(and (<= ULTIMATE.start_main_~x~4 23) (<= 23 ULTIMATE.start_main_~x~4) (<= 24 ULTIMATE.start_main_~y~4)), 33410#(and (<= 24 ULTIMATE.start_main_~y~4) (<= ULTIMATE.start_main_~x~4 24) (<= 24 ULTIMATE.start_main_~x~4)), 33411#(and (<= 25 ULTIMATE.start_main_~y~4) (<= ULTIMATE.start_main_~x~4 24) (<= 24 ULTIMATE.start_main_~x~4)), 33412#(and (<= 25 ULTIMATE.start_main_~y~4) (<= ULTIMATE.start_main_~x~4 25) (<= 25 ULTIMATE.start_main_~x~4)), 33413#(and (<= ULTIMATE.start_main_~x~4 25) (<= 26 ULTIMATE.start_main_~y~4) (<= 25 ULTIMATE.start_main_~x~4)), 33414#(and (<= ULTIMATE.start_main_~x~4 26) (<= 26 ULTIMATE.start_main_~y~4) (<= 26 ULTIMATE.start_main_~x~4)), 33415#(and (<= ULTIMATE.start_main_~x~4 26) (<= 27 ULTIMATE.start_main_~y~4) (<= 26 ULTIMATE.start_main_~x~4)), 33416#(and (<= ULTIMATE.start_main_~x~4 27) (<= 27 ULTIMATE.start_main_~y~4) (<= 27 ULTIMATE.start_main_~x~4)), 33417#(and (<= ULTIMATE.start_main_~x~4 27) (<= 27 ULTIMATE.start_main_~x~4) (<= 28 ULTIMATE.start_main_~y~4)), 33418#(and (<= ULTIMATE.start_main_~x~4 28) (<= 28 ULTIMATE.start_main_~y~4) (<= 28 ULTIMATE.start_main_~x~4)), 33419#(and (<= ULTIMATE.start_main_~x~4 28) (<= 29 ULTIMATE.start_main_~y~4) (<= 28 ULTIMATE.start_main_~x~4)), 33420#(and (<= 29 ULTIMATE.start_main_~x~4) (<= 29 ULTIMATE.start_main_~y~4) (<= ULTIMATE.start_main_~x~4 29)), 33421#(and (<= 29 ULTIMATE.start_main_~x~4) (<= 30 ULTIMATE.start_main_~y~4) (<= ULTIMATE.start_main_~x~4 29)), 33422#(and (<= ULTIMATE.start_main_~x~4 30) (<= 30 ULTIMATE.start_main_~y~4) (<= 30 ULTIMATE.start_main_~x~4)), 33423#(and (<= ULTIMATE.start_main_~x~4 30) (<= 31 ULTIMATE.start_main_~y~4) (<= 30 ULTIMATE.start_main_~x~4)), 33424#(and (<= ULTIMATE.start_main_~x~4 31) (<= 31 ULTIMATE.start_main_~y~4) (<= 31 ULTIMATE.start_main_~x~4)), 33425#(and (<= ULTIMATE.start_main_~x~4 31) (<= 32 ULTIMATE.start_main_~y~4) (<= 31 ULTIMATE.start_main_~x~4)), 33426#(and (<= ULTIMATE.start_main_~x~4 32) (<= 32 ULTIMATE.start_main_~y~4) (<= 32 ULTIMATE.start_main_~x~4)), 33427#(and (<= ULTIMATE.start_main_~x~4 32) (<= 33 ULTIMATE.start_main_~y~4) (<= 32 ULTIMATE.start_main_~x~4)), 33428#(and (<= ULTIMATE.start_main_~x~4 33) (<= 33 ULTIMATE.start_main_~y~4) (<= 33 ULTIMATE.start_main_~x~4)), 33429#(and (<= ULTIMATE.start_main_~x~4 33) (<= 33 ULTIMATE.start_main_~x~4) (<= 34 ULTIMATE.start_main_~y~4)), 33430#(and (<= 34 ULTIMATE.start_main_~x~4) (<= ULTIMATE.start_main_~x~4 34) (<= 34 ULTIMATE.start_main_~y~4)), 33431#(and (<= 34 ULTIMATE.start_main_~x~4) (<= ULTIMATE.start_main_~x~4 34) (<= 35 ULTIMATE.start_main_~y~4)), 33432#(and (<= ULTIMATE.start_main_~x~4 35) (<= 35 ULTIMATE.start_main_~y~4) (<= 35 ULTIMATE.start_main_~x~4)), 33433#(and (<= ULTIMATE.start_main_~x~4 35) (<= 35 ULTIMATE.start_main_~x~4) (<= 36 ULTIMATE.start_main_~y~4)), 33434#(and (<= 36 ULTIMATE.start_main_~x~4) (<= ULTIMATE.start_main_~x~4 36) (<= 36 ULTIMATE.start_main_~y~4)), 33435#(and (<= 36 ULTIMATE.start_main_~x~4) (<= 37 ULTIMATE.start_main_~y~4) (<= ULTIMATE.start_main_~x~4 36)), 33436#(and (<= 37 ULTIMATE.start_main_~y~4) (<= ULTIMATE.start_main_~x~4 37) (<= 37 ULTIMATE.start_main_~x~4)), 33437#(and (<= ULTIMATE.start_main_~x~4 37) (<= 38 ULTIMATE.start_main_~y~4) (<= 37 ULTIMATE.start_main_~x~4)), 33438#(and (<= 38 ULTIMATE.start_main_~x~4) (<= ULTIMATE.start_main_~x~4 38) (<= 38 ULTIMATE.start_main_~y~4)), 33439#(and (<= 38 ULTIMATE.start_main_~x~4) (<= 39 ULTIMATE.start_main_~y~4) (<= ULTIMATE.start_main_~x~4 38)), 33440#(and (<= 39 ULTIMATE.start_main_~y~4) (<= ULTIMATE.start_main_~x~4 39) (<= 39 ULTIMATE.start_main_~x~4)), 33441#(and (<= ULTIMATE.start_main_~x~4 39) (<= 39 ULTIMATE.start_main_~x~4) (<= 40 ULTIMATE.start_main_~y~4)), 33442#(and (<= ULTIMATE.start_main_~x~4 40) (<= 40 ULTIMATE.start_main_~x~4) (<= 40 ULTIMATE.start_main_~y~4)), 33443#(and (<= ULTIMATE.start_main_~x~4 40) (<= 40 ULTIMATE.start_main_~x~4) (<= 41 ULTIMATE.start_main_~y~4)), 33444#(and (<= ULTIMATE.start_main_~x~4 41) (<= 41 ULTIMATE.start_main_~x~4) (<= 41 ULTIMATE.start_main_~y~4)), 33445#(and (<= ULTIMATE.start_main_~x~4 41) (<= 41 ULTIMATE.start_main_~x~4) (<= 42 ULTIMATE.start_main_~y~4)), 33446#(and (<= 42 ULTIMATE.start_main_~y~4) (<= ULTIMATE.start_main_~x~4 42) (<= 42 ULTIMATE.start_main_~x~4)), 33447#(and (<= 43 ULTIMATE.start_main_~y~4) (<= ULTIMATE.start_main_~x~4 42) (<= 42 ULTIMATE.start_main_~x~4)), 33448#(and (<= 43 ULTIMATE.start_main_~y~4) (<= ULTIMATE.start_main_~x~4 43) (<= 43 ULTIMATE.start_main_~x~4)), 33449#(and (<= ULTIMATE.start_main_~x~4 43) (<= 44 ULTIMATE.start_main_~y~4) (<= 43 ULTIMATE.start_main_~x~4)), 33450#(and (<= 44 ULTIMATE.start_main_~x~4) (<= ULTIMATE.start_main_~x~4 44) (<= 44 ULTIMATE.start_main_~y~4)), 33451#(and (<= 44 ULTIMATE.start_main_~x~4) (<= ULTIMATE.start_main_~x~4 44) (<= 45 ULTIMATE.start_main_~y~4)), 33452#(and (<= 45 ULTIMATE.start_main_~y~4) (<= 45 ULTIMATE.start_main_~x~4) (<= ULTIMATE.start_main_~x~4 45)), 33453#(and (<= 46 ULTIMATE.start_main_~y~4) (<= 45 ULTIMATE.start_main_~x~4) (<= ULTIMATE.start_main_~x~4 45)), 33454#(and (<= ULTIMATE.start_main_~x~4 46) (<= 46 ULTIMATE.start_main_~x~4) (<= 46 ULTIMATE.start_main_~y~4)), 33455#(and (<= ULTIMATE.start_main_~x~4 46) (<= 47 ULTIMATE.start_main_~y~4) (<= 46 ULTIMATE.start_main_~x~4)), 33456#(and (<= 47 ULTIMATE.start_main_~y~4) (<= 47 ULTIMATE.start_main_~x~4) (<= ULTIMATE.start_main_~x~4 47)), 33457#(and (<= 48 ULTIMATE.start_main_~y~4) (<= 47 ULTIMATE.start_main_~x~4) (<= ULTIMATE.start_main_~x~4 47)), 33458#(and (<= 48 ULTIMATE.start_main_~x~4) (<= 48 ULTIMATE.start_main_~y~4) (<= ULTIMATE.start_main_~x~4 48)), 33459#(and (<= 48 ULTIMATE.start_main_~x~4) (<= 49 ULTIMATE.start_main_~y~4) (<= ULTIMATE.start_main_~x~4 48)), 33460#(and (<= 49 ULTIMATE.start_main_~x~4) (<= 49 ULTIMATE.start_main_~y~4) (<= ULTIMATE.start_main_~x~4 49)), 33461#(and (<= 49 ULTIMATE.start_main_~x~4) (<= 50 ULTIMATE.start_main_~y~4)), 33462#(and (<= 50 ULTIMATE.start_main_~x~4) (<= 50 ULTIMATE.start_main_~y~4)), 33463#(and (<= 50 ULTIMATE.start_main_~x~4) (<= 49 ULTIMATE.start_main_~y~4)), 33464#(and (<= 51 ULTIMATE.start_main_~x~4) (<= 49 ULTIMATE.start_main_~y~4)), 33465#(and (<= 51 ULTIMATE.start_main_~x~4) (<= 48 ULTIMATE.start_main_~y~4)), 33466#(and (<= 52 ULTIMATE.start_main_~x~4) (<= 48 ULTIMATE.start_main_~y~4)), 33467#(and (<= 52 ULTIMATE.start_main_~x~4) (<= 47 ULTIMATE.start_main_~y~4)), 33468#(and (<= 47 ULTIMATE.start_main_~y~4) (<= 53 ULTIMATE.start_main_~x~4)), 33469#(and (<= 53 ULTIMATE.start_main_~x~4) (<= 46 ULTIMATE.start_main_~y~4)), 33470#(and (<= 54 ULTIMATE.start_main_~x~4) (<= 46 ULTIMATE.start_main_~y~4)), 33471#(and (<= 45 ULTIMATE.start_main_~y~4) (<= 54 ULTIMATE.start_main_~x~4)), 33472#(and (<= 45 ULTIMATE.start_main_~y~4) (<= 55 ULTIMATE.start_main_~x~4)), 33473#(and (<= 55 ULTIMATE.start_main_~x~4) (<= 44 ULTIMATE.start_main_~y~4)), 33474#(and (<= 56 ULTIMATE.start_main_~x~4) (<= 44 ULTIMATE.start_main_~y~4)), 33475#(and (<= 56 ULTIMATE.start_main_~x~4) (<= 43 ULTIMATE.start_main_~y~4)), 33476#(and (<= 43 ULTIMATE.start_main_~y~4) (<= 57 ULTIMATE.start_main_~x~4)), 33477#(and (<= 42 ULTIMATE.start_main_~y~4) (<= 57 ULTIMATE.start_main_~x~4)), 33478#(and (<= 58 ULTIMATE.start_main_~x~4) (<= 42 ULTIMATE.start_main_~y~4)), 33479#(and (<= 58 ULTIMATE.start_main_~x~4) (<= 41 ULTIMATE.start_main_~y~4)), 33480#(and (<= 41 ULTIMATE.start_main_~y~4) (<= 59 ULTIMATE.start_main_~x~4)), 33481#(and (<= 40 ULTIMATE.start_main_~y~4) (<= 59 ULTIMATE.start_main_~x~4)), 33482#(and (<= 60 ULTIMATE.start_main_~x~4) (<= 40 ULTIMATE.start_main_~y~4)), 33483#(and (<= 39 ULTIMATE.start_main_~y~4) (<= 60 ULTIMATE.start_main_~x~4)), 33484#(and (<= 61 ULTIMATE.start_main_~x~4) (<= 39 ULTIMATE.start_main_~y~4)), 33485#(and (<= 61 ULTIMATE.start_main_~x~4) (<= 38 ULTIMATE.start_main_~y~4)), 33486#(and (<= 38 ULTIMATE.start_main_~y~4) (<= 62 ULTIMATE.start_main_~x~4)), 33487#(and (<= 37 ULTIMATE.start_main_~y~4) (<= 62 ULTIMATE.start_main_~x~4)), 33488#(and (<= 63 ULTIMATE.start_main_~x~4) (<= 37 ULTIMATE.start_main_~y~4)), 33489#(and (<= 63 ULTIMATE.start_main_~x~4) (<= 36 ULTIMATE.start_main_~y~4)), 33490#(and (<= 64 ULTIMATE.start_main_~x~4) (<= 36 ULTIMATE.start_main_~y~4)), 33491#(and (<= 35 ULTIMATE.start_main_~y~4) (<= 64 ULTIMATE.start_main_~x~4)), 33492#(and (<= 35 ULTIMATE.start_main_~y~4) (<= 65 ULTIMATE.start_main_~x~4)), 33493#(and (<= 34 ULTIMATE.start_main_~y~4) (<= 65 ULTIMATE.start_main_~x~4)), 33494#(and (<= 66 ULTIMATE.start_main_~x~4) (<= 34 ULTIMATE.start_main_~y~4)), 33495#(and (<= 66 ULTIMATE.start_main_~x~4) (<= 33 ULTIMATE.start_main_~y~4)), 33496#(and (<= 67 ULTIMATE.start_main_~x~4) (<= 33 ULTIMATE.start_main_~y~4)), 33497#(and (<= 67 ULTIMATE.start_main_~x~4) (<= 32 ULTIMATE.start_main_~y~4)), 33498#(and (<= 32 ULTIMATE.start_main_~y~4) (<= 68 ULTIMATE.start_main_~x~4)), 33499#(and (<= 31 ULTIMATE.start_main_~y~4) (<= 68 ULTIMATE.start_main_~x~4)), 33500#(and (<= 31 ULTIMATE.start_main_~y~4) (<= 69 ULTIMATE.start_main_~x~4)), 33501#(and (<= 30 ULTIMATE.start_main_~y~4) (<= 69 ULTIMATE.start_main_~x~4)), 33502#(and (<= 70 ULTIMATE.start_main_~x~4) (<= 30 ULTIMATE.start_main_~y~4)), 33503#(and (<= 70 ULTIMATE.start_main_~x~4) (<= 29 ULTIMATE.start_main_~y~4)), 33504#(and (<= 71 ULTIMATE.start_main_~x~4) (<= 29 ULTIMATE.start_main_~y~4)), 33505#(and (<= 71 ULTIMATE.start_main_~x~4) (<= 28 ULTIMATE.start_main_~y~4)), 33506#(and (<= 72 ULTIMATE.start_main_~x~4) (<= 28 ULTIMATE.start_main_~y~4)), 33507#(and (<= 72 ULTIMATE.start_main_~x~4) (<= 27 ULTIMATE.start_main_~y~4)), 33508#(and (<= 27 ULTIMATE.start_main_~y~4) (<= 73 ULTIMATE.start_main_~x~4)), 33509#(and (<= 73 ULTIMATE.start_main_~x~4) (<= 26 ULTIMATE.start_main_~y~4)), 33510#(and (<= 74 ULTIMATE.start_main_~x~4) (<= 26 ULTIMATE.start_main_~y~4)), 33511#(and (<= 74 ULTIMATE.start_main_~x~4) (<= 25 ULTIMATE.start_main_~y~4)), 33512#(and (<= 75 ULTIMATE.start_main_~x~4) (<= 25 ULTIMATE.start_main_~y~4)), 33513#(and (<= 24 ULTIMATE.start_main_~y~4) (<= 75 ULTIMATE.start_main_~x~4)), 33514#(and (<= 24 ULTIMATE.start_main_~y~4) (<= 76 ULTIMATE.start_main_~x~4)), 33515#(<= 23 ULTIMATE.start_main_~y~4), 33516#(<= 1 ULTIMATE.start_main_~y~4)] [2018-07-23 13:41:53,430 INFO L134 CoverageAnalysis]: Checked inductivity of 6006 backedges. 0 proven. 6006 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2018-07-23 13:41:53,430 INFO L450 AbstractCegarLoop]: Interpolant automaton has 157 states [2018-07-23 13:41:53,430 INFO L132 InterpolantAutomaton]: Constructing interpolant automaton starting with 157 interpolants. [2018-07-23 13:41:53,431 INFO L133 InterpolantAutomaton]: CoverageRelationStatistics Valid=674, Invalid=23818, Unknown=0, NotChecked=0, Total=24492 [2018-07-23 13:41:53,432 INFO L87 Difference]: Start difference. First operand 159 states and 159 transitions. Second operand 157 states. [2018-07-23 13:41:54,367 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2018-07-23 13:41:54,367 INFO L93 Difference]: Finished difference Result 164 states and 164 transitions. [2018-07-23 13:41:54,367 INFO L142 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 157 states. [2018-07-23 13:41:54,368 INFO L78 Accepts]: Start accepts. Automaton has 157 states. Word has length 158 [2018-07-23 13:41:54,368 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2018-07-23 13:41:54,368 INFO L225 Difference]: With dead ends: 164 [2018-07-23 13:41:54,369 INFO L226 Difference]: Without dead ends: 162 [2018-07-23 13:41:54,369 INFO L575 BasicCegarLoop]: 0 DeclaredPredicates, 158 GetRequests, 1 SyntacticMatches, 1 SemanticMatches, 156 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 6909 ImplicationChecksByTransitivity, 0.9s TimeCoverageRelationStatistics Valid=680, Invalid=24126, Unknown=0, NotChecked=0, Total=24806 [2018-07-23 13:41:54,370 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 162 states. [2018-07-23 13:41:54,390 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 162 to 161. [2018-07-23 13:41:54,390 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 161 states. [2018-07-23 13:41:54,391 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 161 states to 161 states and 161 transitions. [2018-07-23 13:41:54,391 INFO L78 Accepts]: Start accepts. Automaton has 161 states and 161 transitions. Word has length 158 [2018-07-23 13:41:54,391 INFO L84 Accepts]: Finished accepts. word is rejected. [2018-07-23 13:41:54,391 INFO L471 AbstractCegarLoop]: Abstraction has 161 states and 161 transitions. [2018-07-23 13:41:54,391 INFO L472 AbstractCegarLoop]: Interpolant automaton has 157 states. [2018-07-23 13:41:54,391 INFO L276 IsEmpty]: Start isEmpty. Operand 161 states and 161 transitions. [2018-07-23 13:41:54,392 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 161 [2018-07-23 13:41:54,392 INFO L349 BasicCegarLoop]: Found error trace [2018-07-23 13:41:54,392 INFO L357 BasicCegarLoop]: trace histogram [79, 78, 1, 1, 1] [2018-07-23 13:41:54,393 INFO L414 AbstractCegarLoop]: === Iteration 79 === [ULTIMATE.startErr0AssertViolationASSERT]=== [2018-07-23 13:41:54,393 INFO L82 PathProgramCache]: Analyzing trace with hash 822353228, now seen corresponding path program 78 times [2018-07-23 13:41:54,393 INFO L69 tionRefinementEngine]: Using refinement strategy FixedRefinementStrategy [2018-07-23 13:41:54,418 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-07-23 13:41:55,472 INFO L134 CoverageAnalysis]: Checked inductivity of 6162 backedges. 0 proven. 6162 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2018-07-23 13:41:55,472 INFO L309 seRefinementStrategy]: Constructing automaton from 0 perfect and 1 imperfect interpolant sequences. [2018-07-23 13:41:55,473 INFO L324 seRefinementStrategy]: Number of different interpolants: perfect sequences [] imperfect sequences [158] total 158 [2018-07-23 13:41:55,473 INFO L142 lantAutomatonBuilder]: Constructing canonical interpolant automaton, with selfloop in false state [2018-07-23 13:41:55,473 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2018-07-23 13:41:55,474 INFO L185 omatonBuilderFactory]: Interpolants [34304#(and (<= 66 ULTIMATE.start_main_~x~4) (<= 33 ULTIMATE.start_main_~y~4)), 34305#(and (<= 67 ULTIMATE.start_main_~x~4) (<= 33 ULTIMATE.start_main_~y~4)), 34306#(and (<= 67 ULTIMATE.start_main_~x~4) (<= 32 ULTIMATE.start_main_~y~4)), 34307#(and (<= 32 ULTIMATE.start_main_~y~4) (<= 68 ULTIMATE.start_main_~x~4)), 34308#(and (<= 31 ULTIMATE.start_main_~y~4) (<= 68 ULTIMATE.start_main_~x~4)), 34309#(and (<= 31 ULTIMATE.start_main_~y~4) (<= 69 ULTIMATE.start_main_~x~4)), 34310#(and (<= 30 ULTIMATE.start_main_~y~4) (<= 69 ULTIMATE.start_main_~x~4)), 34311#(and (<= 70 ULTIMATE.start_main_~x~4) (<= 30 ULTIMATE.start_main_~y~4)), 34312#(and (<= 70 ULTIMATE.start_main_~x~4) (<= 29 ULTIMATE.start_main_~y~4)), 34313#(and (<= 71 ULTIMATE.start_main_~x~4) (<= 29 ULTIMATE.start_main_~y~4)), 34314#(and (<= 71 ULTIMATE.start_main_~x~4) (<= 28 ULTIMATE.start_main_~y~4)), 34315#(and (<= 72 ULTIMATE.start_main_~x~4) (<= 28 ULTIMATE.start_main_~y~4)), 34316#(and (<= 72 ULTIMATE.start_main_~x~4) (<= 27 ULTIMATE.start_main_~y~4)), 34317#(and (<= 27 ULTIMATE.start_main_~y~4) (<= 73 ULTIMATE.start_main_~x~4)), 34318#(and (<= 73 ULTIMATE.start_main_~x~4) (<= 26 ULTIMATE.start_main_~y~4)), 34319#(and (<= 74 ULTIMATE.start_main_~x~4) (<= 26 ULTIMATE.start_main_~y~4)), 34320#(and (<= 74 ULTIMATE.start_main_~x~4) (<= 25 ULTIMATE.start_main_~y~4)), 34321#(and (<= 75 ULTIMATE.start_main_~x~4) (<= 25 ULTIMATE.start_main_~y~4)), 34322#(and (<= 24 ULTIMATE.start_main_~y~4) (<= 75 ULTIMATE.start_main_~x~4)), 34323#(and (<= 24 ULTIMATE.start_main_~y~4) (<= 76 ULTIMATE.start_main_~x~4)), 34324#(and (<= 23 ULTIMATE.start_main_~y~4) (<= 76 ULTIMATE.start_main_~x~4)), 34325#(and (<= 77 ULTIMATE.start_main_~x~4) (<= 23 ULTIMATE.start_main_~y~4)), 34326#(<= 22 ULTIMATE.start_main_~y~4), 34327#(<= 1 ULTIMATE.start_main_~y~4), 34169#true, 34170#false, 34171#(and (<= 0 ULTIMATE.start_main_~y~4) (<= ULTIMATE.start_main_~x~4 0) (<= 0 ULTIMATE.start_main_~x~4)), 34172#(and (<= ULTIMATE.start_main_~x~4 0) (<= 0 ULTIMATE.start_main_~x~4) (<= 1 ULTIMATE.start_main_~y~4)), 34173#(and (<= ULTIMATE.start_main_~x~4 1) (<= 1 ULTIMATE.start_main_~y~4) (<= 1 ULTIMATE.start_main_~x~4)), 34174#(and (<= 2 ULTIMATE.start_main_~y~4) (<= ULTIMATE.start_main_~x~4 1) (<= 1 ULTIMATE.start_main_~x~4)), 34175#(and (<= 2 ULTIMATE.start_main_~y~4) (<= 2 ULTIMATE.start_main_~x~4) (<= ULTIMATE.start_main_~x~4 2)), 34176#(and (<= 3 ULTIMATE.start_main_~y~4) (<= 2 ULTIMATE.start_main_~x~4) (<= ULTIMATE.start_main_~x~4 2)), 34177#(and (<= 3 ULTIMATE.start_main_~x~4) (<= 3 ULTIMATE.start_main_~y~4) (<= ULTIMATE.start_main_~x~4 3)), 34178#(and (<= 3 ULTIMATE.start_main_~x~4) (<= 4 ULTIMATE.start_main_~y~4) (<= ULTIMATE.start_main_~x~4 3)), 34179#(and (<= 4 ULTIMATE.start_main_~y~4) (<= ULTIMATE.start_main_~x~4 4) (<= 4 ULTIMATE.start_main_~x~4)), 34180#(and (<= 5 ULTIMATE.start_main_~y~4) (<= ULTIMATE.start_main_~x~4 4) (<= 4 ULTIMATE.start_main_~x~4)), 34181#(and (<= ULTIMATE.start_main_~x~4 5) (<= 5 ULTIMATE.start_main_~y~4) (<= 5 ULTIMATE.start_main_~x~4)), 34182#(and (<= ULTIMATE.start_main_~x~4 5) (<= 6 ULTIMATE.start_main_~y~4) (<= 5 ULTIMATE.start_main_~x~4)), 34183#(and (<= 6 ULTIMATE.start_main_~x~4) (<= 6 ULTIMATE.start_main_~y~4) (<= ULTIMATE.start_main_~x~4 6)), 34184#(and (<= 6 ULTIMATE.start_main_~x~4) (<= 7 ULTIMATE.start_main_~y~4) (<= ULTIMATE.start_main_~x~4 6)), 34185#(and (<= ULTIMATE.start_main_~x~4 7) (<= 7 ULTIMATE.start_main_~y~4) (<= 7 ULTIMATE.start_main_~x~4)), 34186#(and (<= ULTIMATE.start_main_~x~4 7) (<= 7 ULTIMATE.start_main_~x~4) (<= 8 ULTIMATE.start_main_~y~4)), 34187#(and (<= ULTIMATE.start_main_~x~4 8) (<= 8 ULTIMATE.start_main_~y~4) (<= 8 ULTIMATE.start_main_~x~4)), 34188#(and (<= ULTIMATE.start_main_~x~4 8) (<= 8 ULTIMATE.start_main_~x~4) (<= 9 ULTIMATE.start_main_~y~4)), 34189#(and (<= 9 ULTIMATE.start_main_~x~4) (<= ULTIMATE.start_main_~x~4 9) (<= 9 ULTIMATE.start_main_~y~4)), 34190#(and (<= 9 ULTIMATE.start_main_~x~4) (<= 10 ULTIMATE.start_main_~y~4) (<= ULTIMATE.start_main_~x~4 9)), 34191#(and (<= ULTIMATE.start_main_~x~4 10) (<= 10 ULTIMATE.start_main_~y~4) (<= 10 ULTIMATE.start_main_~x~4)), 34192#(and (<= ULTIMATE.start_main_~x~4 10) (<= 11 ULTIMATE.start_main_~y~4) (<= 10 ULTIMATE.start_main_~x~4)), 34193#(and (<= ULTIMATE.start_main_~x~4 11) (<= 11 ULTIMATE.start_main_~x~4) (<= 11 ULTIMATE.start_main_~y~4)), 34194#(and (<= ULTIMATE.start_main_~x~4 11) (<= 11 ULTIMATE.start_main_~x~4) (<= 12 ULTIMATE.start_main_~y~4)), 34195#(and (<= 12 ULTIMATE.start_main_~x~4) (<= 12 ULTIMATE.start_main_~y~4) (<= ULTIMATE.start_main_~x~4 12)), 34196#(and (<= 12 ULTIMATE.start_main_~x~4) (<= 13 ULTIMATE.start_main_~y~4) (<= ULTIMATE.start_main_~x~4 12)), 34197#(and (<= 13 ULTIMATE.start_main_~y~4) (<= ULTIMATE.start_main_~x~4 13) (<= 13 ULTIMATE.start_main_~x~4)), 34198#(and (<= 14 ULTIMATE.start_main_~y~4) (<= ULTIMATE.start_main_~x~4 13) (<= 13 ULTIMATE.start_main_~x~4)), 34199#(and (<= 14 ULTIMATE.start_main_~y~4) (<= 14 ULTIMATE.start_main_~x~4) (<= ULTIMATE.start_main_~x~4 14)), 34200#(and (<= 14 ULTIMATE.start_main_~x~4) (<= ULTIMATE.start_main_~x~4 14) (<= 15 ULTIMATE.start_main_~y~4)), 34201#(and (<= 15 ULTIMATE.start_main_~x~4) (<= 15 ULTIMATE.start_main_~y~4) (<= ULTIMATE.start_main_~x~4 15)), 34202#(and (<= 15 ULTIMATE.start_main_~x~4) (<= 16 ULTIMATE.start_main_~y~4) (<= ULTIMATE.start_main_~x~4 15)), 34203#(and (<= ULTIMATE.start_main_~x~4 16) (<= 16 ULTIMATE.start_main_~x~4) (<= 16 ULTIMATE.start_main_~y~4)), 34204#(and (<= ULTIMATE.start_main_~x~4 16) (<= 16 ULTIMATE.start_main_~x~4) (<= 17 ULTIMATE.start_main_~y~4)), 34205#(and (<= ULTIMATE.start_main_~x~4 17) (<= 17 ULTIMATE.start_main_~y~4) (<= 17 ULTIMATE.start_main_~x~4)), 34206#(and (<= 18 ULTIMATE.start_main_~y~4) (<= ULTIMATE.start_main_~x~4 17) (<= 17 ULTIMATE.start_main_~x~4)), 34207#(and (<= 18 ULTIMATE.start_main_~y~4) (<= 18 ULTIMATE.start_main_~x~4) (<= ULTIMATE.start_main_~x~4 18)), 34208#(and (<= 18 ULTIMATE.start_main_~x~4) (<= ULTIMATE.start_main_~x~4 18) (<= 19 ULTIMATE.start_main_~y~4)), 34209#(and (<= 19 ULTIMATE.start_main_~y~4) (<= 19 ULTIMATE.start_main_~x~4) (<= ULTIMATE.start_main_~x~4 19)), 34210#(and (<= 20 ULTIMATE.start_main_~y~4) (<= 19 ULTIMATE.start_main_~x~4) (<= ULTIMATE.start_main_~x~4 19)), 34211#(and (<= 20 ULTIMATE.start_main_~x~4) (<= 20 ULTIMATE.start_main_~y~4) (<= ULTIMATE.start_main_~x~4 20)), 34212#(and (<= 20 ULTIMATE.start_main_~x~4) (<= 21 ULTIMATE.start_main_~y~4) (<= ULTIMATE.start_main_~x~4 20)), 34213#(and (<= ULTIMATE.start_main_~x~4 21) (<= 21 ULTIMATE.start_main_~y~4) (<= 21 ULTIMATE.start_main_~x~4)), 34214#(and (<= ULTIMATE.start_main_~x~4 21) (<= 21 ULTIMATE.start_main_~x~4) (<= 22 ULTIMATE.start_main_~y~4)), 34215#(and (<= ULTIMATE.start_main_~x~4 22) (<= 22 ULTIMATE.start_main_~x~4) (<= 22 ULTIMATE.start_main_~y~4)), 34216#(and (<= 23 ULTIMATE.start_main_~y~4) (<= ULTIMATE.start_main_~x~4 22) (<= 22 ULTIMATE.start_main_~x~4)), 34217#(and (<= ULTIMATE.start_main_~x~4 23) (<= 23 ULTIMATE.start_main_~x~4) (<= 23 ULTIMATE.start_main_~y~4)), 34218#(and (<= ULTIMATE.start_main_~x~4 23) (<= 23 ULTIMATE.start_main_~x~4) (<= 24 ULTIMATE.start_main_~y~4)), 34219#(and (<= 24 ULTIMATE.start_main_~y~4) (<= ULTIMATE.start_main_~x~4 24) (<= 24 ULTIMATE.start_main_~x~4)), 34220#(and (<= 25 ULTIMATE.start_main_~y~4) (<= ULTIMATE.start_main_~x~4 24) (<= 24 ULTIMATE.start_main_~x~4)), 34221#(and (<= 25 ULTIMATE.start_main_~y~4) (<= ULTIMATE.start_main_~x~4 25) (<= 25 ULTIMATE.start_main_~x~4)), 34222#(and (<= ULTIMATE.start_main_~x~4 25) (<= 26 ULTIMATE.start_main_~y~4) (<= 25 ULTIMATE.start_main_~x~4)), 34223#(and (<= ULTIMATE.start_main_~x~4 26) (<= 26 ULTIMATE.start_main_~y~4) (<= 26 ULTIMATE.start_main_~x~4)), 34224#(and (<= ULTIMATE.start_main_~x~4 26) (<= 27 ULTIMATE.start_main_~y~4) (<= 26 ULTIMATE.start_main_~x~4)), 34225#(and (<= ULTIMATE.start_main_~x~4 27) (<= 27 ULTIMATE.start_main_~y~4) (<= 27 ULTIMATE.start_main_~x~4)), 34226#(and (<= ULTIMATE.start_main_~x~4 27) (<= 27 ULTIMATE.start_main_~x~4) (<= 28 ULTIMATE.start_main_~y~4)), 34227#(and (<= ULTIMATE.start_main_~x~4 28) (<= 28 ULTIMATE.start_main_~y~4) (<= 28 ULTIMATE.start_main_~x~4)), 34228#(and (<= ULTIMATE.start_main_~x~4 28) (<= 29 ULTIMATE.start_main_~y~4) (<= 28 ULTIMATE.start_main_~x~4)), 34229#(and (<= 29 ULTIMATE.start_main_~x~4) (<= 29 ULTIMATE.start_main_~y~4) (<= ULTIMATE.start_main_~x~4 29)), 34230#(and (<= 29 ULTIMATE.start_main_~x~4) (<= 30 ULTIMATE.start_main_~y~4) (<= ULTIMATE.start_main_~x~4 29)), 34231#(and (<= ULTIMATE.start_main_~x~4 30) (<= 30 ULTIMATE.start_main_~y~4) (<= 30 ULTIMATE.start_main_~x~4)), 34232#(and (<= ULTIMATE.start_main_~x~4 30) (<= 31 ULTIMATE.start_main_~y~4) (<= 30 ULTIMATE.start_main_~x~4)), 34233#(and (<= ULTIMATE.start_main_~x~4 31) (<= 31 ULTIMATE.start_main_~y~4) (<= 31 ULTIMATE.start_main_~x~4)), 34234#(and (<= ULTIMATE.start_main_~x~4 31) (<= 32 ULTIMATE.start_main_~y~4) (<= 31 ULTIMATE.start_main_~x~4)), 34235#(and (<= ULTIMATE.start_main_~x~4 32) (<= 32 ULTIMATE.start_main_~y~4) (<= 32 ULTIMATE.start_main_~x~4)), 34236#(and (<= ULTIMATE.start_main_~x~4 32) (<= 33 ULTIMATE.start_main_~y~4) (<= 32 ULTIMATE.start_main_~x~4)), 34237#(and (<= ULTIMATE.start_main_~x~4 33) (<= 33 ULTIMATE.start_main_~y~4) (<= 33 ULTIMATE.start_main_~x~4)), 34238#(and (<= ULTIMATE.start_main_~x~4 33) (<= 33 ULTIMATE.start_main_~x~4) (<= 34 ULTIMATE.start_main_~y~4)), 34239#(and (<= 34 ULTIMATE.start_main_~x~4) (<= ULTIMATE.start_main_~x~4 34) (<= 34 ULTIMATE.start_main_~y~4)), 34240#(and (<= 34 ULTIMATE.start_main_~x~4) (<= ULTIMATE.start_main_~x~4 34) (<= 35 ULTIMATE.start_main_~y~4)), 34241#(and (<= ULTIMATE.start_main_~x~4 35) (<= 35 ULTIMATE.start_main_~y~4) (<= 35 ULTIMATE.start_main_~x~4)), 34242#(and (<= ULTIMATE.start_main_~x~4 35) (<= 35 ULTIMATE.start_main_~x~4) (<= 36 ULTIMATE.start_main_~y~4)), 34243#(and (<= 36 ULTIMATE.start_main_~x~4) (<= ULTIMATE.start_main_~x~4 36) (<= 36 ULTIMATE.start_main_~y~4)), 34244#(and (<= 36 ULTIMATE.start_main_~x~4) (<= 37 ULTIMATE.start_main_~y~4) (<= ULTIMATE.start_main_~x~4 36)), 34245#(and (<= 37 ULTIMATE.start_main_~y~4) (<= ULTIMATE.start_main_~x~4 37) (<= 37 ULTIMATE.start_main_~x~4)), 34246#(and (<= ULTIMATE.start_main_~x~4 37) (<= 38 ULTIMATE.start_main_~y~4) (<= 37 ULTIMATE.start_main_~x~4)), 34247#(and (<= 38 ULTIMATE.start_main_~x~4) (<= ULTIMATE.start_main_~x~4 38) (<= 38 ULTIMATE.start_main_~y~4)), 34248#(and (<= 38 ULTIMATE.start_main_~x~4) (<= 39 ULTIMATE.start_main_~y~4) (<= ULTIMATE.start_main_~x~4 38)), 34249#(and (<= 39 ULTIMATE.start_main_~y~4) (<= ULTIMATE.start_main_~x~4 39) (<= 39 ULTIMATE.start_main_~x~4)), 34250#(and (<= ULTIMATE.start_main_~x~4 39) (<= 39 ULTIMATE.start_main_~x~4) (<= 40 ULTIMATE.start_main_~y~4)), 34251#(and (<= ULTIMATE.start_main_~x~4 40) (<= 40 ULTIMATE.start_main_~x~4) (<= 40 ULTIMATE.start_main_~y~4)), 34252#(and (<= ULTIMATE.start_main_~x~4 40) (<= 40 ULTIMATE.start_main_~x~4) (<= 41 ULTIMATE.start_main_~y~4)), 34253#(and (<= ULTIMATE.start_main_~x~4 41) (<= 41 ULTIMATE.start_main_~x~4) (<= 41 ULTIMATE.start_main_~y~4)), 34254#(and (<= ULTIMATE.start_main_~x~4 41) (<= 41 ULTIMATE.start_main_~x~4) (<= 42 ULTIMATE.start_main_~y~4)), 34255#(and (<= 42 ULTIMATE.start_main_~y~4) (<= ULTIMATE.start_main_~x~4 42) (<= 42 ULTIMATE.start_main_~x~4)), 34256#(and (<= 43 ULTIMATE.start_main_~y~4) (<= ULTIMATE.start_main_~x~4 42) (<= 42 ULTIMATE.start_main_~x~4)), 34257#(and (<= 43 ULTIMATE.start_main_~y~4) (<= ULTIMATE.start_main_~x~4 43) (<= 43 ULTIMATE.start_main_~x~4)), 34258#(and (<= ULTIMATE.start_main_~x~4 43) (<= 44 ULTIMATE.start_main_~y~4) (<= 43 ULTIMATE.start_main_~x~4)), 34259#(and (<= 44 ULTIMATE.start_main_~x~4) (<= ULTIMATE.start_main_~x~4 44) (<= 44 ULTIMATE.start_main_~y~4)), 34260#(and (<= 44 ULTIMATE.start_main_~x~4) (<= ULTIMATE.start_main_~x~4 44) (<= 45 ULTIMATE.start_main_~y~4)), 34261#(and (<= 45 ULTIMATE.start_main_~y~4) (<= 45 ULTIMATE.start_main_~x~4) (<= ULTIMATE.start_main_~x~4 45)), 34262#(and (<= 46 ULTIMATE.start_main_~y~4) (<= 45 ULTIMATE.start_main_~x~4) (<= ULTIMATE.start_main_~x~4 45)), 34263#(and (<= ULTIMATE.start_main_~x~4 46) (<= 46 ULTIMATE.start_main_~x~4) (<= 46 ULTIMATE.start_main_~y~4)), 34264#(and (<= ULTIMATE.start_main_~x~4 46) (<= 47 ULTIMATE.start_main_~y~4) (<= 46 ULTIMATE.start_main_~x~4)), 34265#(and (<= 47 ULTIMATE.start_main_~y~4) (<= 47 ULTIMATE.start_main_~x~4) (<= ULTIMATE.start_main_~x~4 47)), 34266#(and (<= 48 ULTIMATE.start_main_~y~4) (<= 47 ULTIMATE.start_main_~x~4) (<= ULTIMATE.start_main_~x~4 47)), 34267#(and (<= 48 ULTIMATE.start_main_~x~4) (<= 48 ULTIMATE.start_main_~y~4) (<= ULTIMATE.start_main_~x~4 48)), 34268#(and (<= 48 ULTIMATE.start_main_~x~4) (<= 49 ULTIMATE.start_main_~y~4) (<= ULTIMATE.start_main_~x~4 48)), 34269#(and (<= 49 ULTIMATE.start_main_~x~4) (<= 49 ULTIMATE.start_main_~y~4) (<= ULTIMATE.start_main_~x~4 49)), 34270#(and (<= 49 ULTIMATE.start_main_~x~4) (<= 50 ULTIMATE.start_main_~y~4)), 34271#(and (<= 50 ULTIMATE.start_main_~x~4) (<= 50 ULTIMATE.start_main_~y~4)), 34272#(and (<= 50 ULTIMATE.start_main_~x~4) (<= 49 ULTIMATE.start_main_~y~4)), 34273#(and (<= 51 ULTIMATE.start_main_~x~4) (<= 49 ULTIMATE.start_main_~y~4)), 34274#(and (<= 51 ULTIMATE.start_main_~x~4) (<= 48 ULTIMATE.start_main_~y~4)), 34275#(and (<= 52 ULTIMATE.start_main_~x~4) (<= 48 ULTIMATE.start_main_~y~4)), 34276#(and (<= 52 ULTIMATE.start_main_~x~4) (<= 47 ULTIMATE.start_main_~y~4)), 34277#(and (<= 47 ULTIMATE.start_main_~y~4) (<= 53 ULTIMATE.start_main_~x~4)), 34278#(and (<= 53 ULTIMATE.start_main_~x~4) (<= 46 ULTIMATE.start_main_~y~4)), 34279#(and (<= 54 ULTIMATE.start_main_~x~4) (<= 46 ULTIMATE.start_main_~y~4)), 34280#(and (<= 45 ULTIMATE.start_main_~y~4) (<= 54 ULTIMATE.start_main_~x~4)), 34281#(and (<= 45 ULTIMATE.start_main_~y~4) (<= 55 ULTIMATE.start_main_~x~4)), 34282#(and (<= 55 ULTIMATE.start_main_~x~4) (<= 44 ULTIMATE.start_main_~y~4)), 34283#(and (<= 56 ULTIMATE.start_main_~x~4) (<= 44 ULTIMATE.start_main_~y~4)), 34284#(and (<= 56 ULTIMATE.start_main_~x~4) (<= 43 ULTIMATE.start_main_~y~4)), 34285#(and (<= 43 ULTIMATE.start_main_~y~4) (<= 57 ULTIMATE.start_main_~x~4)), 34286#(and (<= 42 ULTIMATE.start_main_~y~4) (<= 57 ULTIMATE.start_main_~x~4)), 34287#(and (<= 58 ULTIMATE.start_main_~x~4) (<= 42 ULTIMATE.start_main_~y~4)), 34288#(and (<= 58 ULTIMATE.start_main_~x~4) (<= 41 ULTIMATE.start_main_~y~4)), 34289#(and (<= 41 ULTIMATE.start_main_~y~4) (<= 59 ULTIMATE.start_main_~x~4)), 34290#(and (<= 40 ULTIMATE.start_main_~y~4) (<= 59 ULTIMATE.start_main_~x~4)), 34291#(and (<= 60 ULTIMATE.start_main_~x~4) (<= 40 ULTIMATE.start_main_~y~4)), 34292#(and (<= 39 ULTIMATE.start_main_~y~4) (<= 60 ULTIMATE.start_main_~x~4)), 34293#(and (<= 61 ULTIMATE.start_main_~x~4) (<= 39 ULTIMATE.start_main_~y~4)), 34294#(and (<= 61 ULTIMATE.start_main_~x~4) (<= 38 ULTIMATE.start_main_~y~4)), 34295#(and (<= 38 ULTIMATE.start_main_~y~4) (<= 62 ULTIMATE.start_main_~x~4)), 34296#(and (<= 37 ULTIMATE.start_main_~y~4) (<= 62 ULTIMATE.start_main_~x~4)), 34297#(and (<= 63 ULTIMATE.start_main_~x~4) (<= 37 ULTIMATE.start_main_~y~4)), 34298#(and (<= 63 ULTIMATE.start_main_~x~4) (<= 36 ULTIMATE.start_main_~y~4)), 34299#(and (<= 64 ULTIMATE.start_main_~x~4) (<= 36 ULTIMATE.start_main_~y~4)), 34300#(and (<= 35 ULTIMATE.start_main_~y~4) (<= 64 ULTIMATE.start_main_~x~4)), 34301#(and (<= 35 ULTIMATE.start_main_~y~4) (<= 65 ULTIMATE.start_main_~x~4)), 34302#(and (<= 34 ULTIMATE.start_main_~y~4) (<= 65 ULTIMATE.start_main_~x~4)), 34303#(and (<= 66 ULTIMATE.start_main_~x~4) (<= 34 ULTIMATE.start_main_~y~4))] [2018-07-23 13:41:55,475 INFO L134 CoverageAnalysis]: Checked inductivity of 6162 backedges. 0 proven. 6162 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2018-07-23 13:41:55,475 INFO L450 AbstractCegarLoop]: Interpolant automaton has 159 states [2018-07-23 13:41:55,475 INFO L132 InterpolantAutomaton]: Constructing interpolant automaton starting with 159 interpolants. [2018-07-23 13:41:55,477 INFO L133 InterpolantAutomaton]: CoverageRelationStatistics Valid=686, Invalid=24436, Unknown=0, NotChecked=0, Total=25122 [2018-07-23 13:41:55,477 INFO L87 Difference]: Start difference. First operand 161 states and 161 transitions. Second operand 159 states. [2018-07-23 13:41:56,404 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2018-07-23 13:41:56,405 INFO L93 Difference]: Finished difference Result 166 states and 166 transitions. [2018-07-23 13:41:56,405 INFO L142 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 159 states. [2018-07-23 13:41:56,405 INFO L78 Accepts]: Start accepts. Automaton has 159 states. Word has length 160 [2018-07-23 13:41:56,405 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2018-07-23 13:41:56,406 INFO L225 Difference]: With dead ends: 166 [2018-07-23 13:41:56,406 INFO L226 Difference]: Without dead ends: 164 [2018-07-23 13:41:56,408 INFO L575 BasicCegarLoop]: 0 DeclaredPredicates, 160 GetRequests, 1 SyntacticMatches, 1 SemanticMatches, 158 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 7123 ImplicationChecksByTransitivity, 0.8s TimeCoverageRelationStatistics Valid=692, Invalid=24748, Unknown=0, NotChecked=0, Total=25440 [2018-07-23 13:41:56,409 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 164 states. [2018-07-23 13:41:56,432 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 164 to 163. [2018-07-23 13:41:56,432 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 163 states. [2018-07-23 13:41:56,433 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 163 states to 163 states and 163 transitions. [2018-07-23 13:41:56,433 INFO L78 Accepts]: Start accepts. Automaton has 163 states and 163 transitions. Word has length 160 [2018-07-23 13:41:56,433 INFO L84 Accepts]: Finished accepts. word is rejected. [2018-07-23 13:41:56,433 INFO L471 AbstractCegarLoop]: Abstraction has 163 states and 163 transitions. [2018-07-23 13:41:56,433 INFO L472 AbstractCegarLoop]: Interpolant automaton has 159 states. [2018-07-23 13:41:56,433 INFO L276 IsEmpty]: Start isEmpty. Operand 163 states and 163 transitions. [2018-07-23 13:41:56,434 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 163 [2018-07-23 13:41:56,434 INFO L349 BasicCegarLoop]: Found error trace [2018-07-23 13:41:56,435 INFO L357 BasicCegarLoop]: trace histogram [80, 79, 1, 1, 1] [2018-07-23 13:41:56,435 INFO L414 AbstractCegarLoop]: === Iteration 80 === [ULTIMATE.startErr0AssertViolationASSERT]=== [2018-07-23 13:41:56,435 INFO L82 PathProgramCache]: Analyzing trace with hash 7533426, now seen corresponding path program 79 times [2018-07-23 13:41:56,435 INFO L69 tionRefinementEngine]: Using refinement strategy FixedRefinementStrategy [2018-07-23 13:41:56,464 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-07-23 13:41:57,829 INFO L134 CoverageAnalysis]: Checked inductivity of 6320 backedges. 0 proven. 6320 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2018-07-23 13:41:57,829 INFO L309 seRefinementStrategy]: Constructing automaton from 0 perfect and 1 imperfect interpolant sequences. [2018-07-23 13:41:57,829 INFO L324 seRefinementStrategy]: Number of different interpolants: perfect sequences [] imperfect sequences [160] total 160 [2018-07-23 13:41:57,829 INFO L142 lantAutomatonBuilder]: Constructing canonical interpolant automaton, with selfloop in false state [2018-07-23 13:41:57,830 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2018-07-23 13:41:57,830 INFO L185 omatonBuilderFactory]: Interpolants [35072#(and (<= ULTIMATE.start_main_~x~4 41) (<= 41 ULTIMATE.start_main_~x~4) (<= 41 ULTIMATE.start_main_~y~4)), 35073#(and (<= ULTIMATE.start_main_~x~4 41) (<= 41 ULTIMATE.start_main_~x~4) (<= 42 ULTIMATE.start_main_~y~4)), 35074#(and (<= 42 ULTIMATE.start_main_~y~4) (<= ULTIMATE.start_main_~x~4 42) (<= 42 ULTIMATE.start_main_~x~4)), 35075#(and (<= 43 ULTIMATE.start_main_~y~4) (<= ULTIMATE.start_main_~x~4 42) (<= 42 ULTIMATE.start_main_~x~4)), 35076#(and (<= 43 ULTIMATE.start_main_~y~4) (<= ULTIMATE.start_main_~x~4 43) (<= 43 ULTIMATE.start_main_~x~4)), 35077#(and (<= ULTIMATE.start_main_~x~4 43) (<= 44 ULTIMATE.start_main_~y~4) (<= 43 ULTIMATE.start_main_~x~4)), 35078#(and (<= 44 ULTIMATE.start_main_~x~4) (<= ULTIMATE.start_main_~x~4 44) (<= 44 ULTIMATE.start_main_~y~4)), 35079#(and (<= 44 ULTIMATE.start_main_~x~4) (<= ULTIMATE.start_main_~x~4 44) (<= 45 ULTIMATE.start_main_~y~4)), 35080#(and (<= 45 ULTIMATE.start_main_~y~4) (<= 45 ULTIMATE.start_main_~x~4) (<= ULTIMATE.start_main_~x~4 45)), 35081#(and (<= 46 ULTIMATE.start_main_~y~4) (<= 45 ULTIMATE.start_main_~x~4) (<= ULTIMATE.start_main_~x~4 45)), 35082#(and (<= ULTIMATE.start_main_~x~4 46) (<= 46 ULTIMATE.start_main_~x~4) (<= 46 ULTIMATE.start_main_~y~4)), 35083#(and (<= ULTIMATE.start_main_~x~4 46) (<= 47 ULTIMATE.start_main_~y~4) (<= 46 ULTIMATE.start_main_~x~4)), 35084#(and (<= 47 ULTIMATE.start_main_~y~4) (<= 47 ULTIMATE.start_main_~x~4) (<= ULTIMATE.start_main_~x~4 47)), 35085#(and (<= 48 ULTIMATE.start_main_~y~4) (<= 47 ULTIMATE.start_main_~x~4) (<= ULTIMATE.start_main_~x~4 47)), 35086#(and (<= 48 ULTIMATE.start_main_~x~4) (<= 48 ULTIMATE.start_main_~y~4) (<= ULTIMATE.start_main_~x~4 48)), 35087#(and (<= 48 ULTIMATE.start_main_~x~4) (<= 49 ULTIMATE.start_main_~y~4) (<= ULTIMATE.start_main_~x~4 48)), 35088#(and (<= 49 ULTIMATE.start_main_~x~4) (<= 49 ULTIMATE.start_main_~y~4) (<= ULTIMATE.start_main_~x~4 49)), 35089#(and (<= 49 ULTIMATE.start_main_~x~4) (<= 50 ULTIMATE.start_main_~y~4)), 35090#(and (<= 50 ULTIMATE.start_main_~x~4) (<= 50 ULTIMATE.start_main_~y~4)), 35091#(and (<= 50 ULTIMATE.start_main_~x~4) (<= 49 ULTIMATE.start_main_~y~4)), 35092#(and (<= 51 ULTIMATE.start_main_~x~4) (<= 49 ULTIMATE.start_main_~y~4)), 35093#(and (<= 51 ULTIMATE.start_main_~x~4) (<= 48 ULTIMATE.start_main_~y~4)), 35094#(and (<= 52 ULTIMATE.start_main_~x~4) (<= 48 ULTIMATE.start_main_~y~4)), 35095#(and (<= 52 ULTIMATE.start_main_~x~4) (<= 47 ULTIMATE.start_main_~y~4)), 35096#(and (<= 47 ULTIMATE.start_main_~y~4) (<= 53 ULTIMATE.start_main_~x~4)), 35097#(and (<= 53 ULTIMATE.start_main_~x~4) (<= 46 ULTIMATE.start_main_~y~4)), 35098#(and (<= 54 ULTIMATE.start_main_~x~4) (<= 46 ULTIMATE.start_main_~y~4)), 35099#(and (<= 45 ULTIMATE.start_main_~y~4) (<= 54 ULTIMATE.start_main_~x~4)), 35100#(and (<= 45 ULTIMATE.start_main_~y~4) (<= 55 ULTIMATE.start_main_~x~4)), 35101#(and (<= 55 ULTIMATE.start_main_~x~4) (<= 44 ULTIMATE.start_main_~y~4)), 35102#(and (<= 56 ULTIMATE.start_main_~x~4) (<= 44 ULTIMATE.start_main_~y~4)), 35103#(and (<= 56 ULTIMATE.start_main_~x~4) (<= 43 ULTIMATE.start_main_~y~4)), 35104#(and (<= 43 ULTIMATE.start_main_~y~4) (<= 57 ULTIMATE.start_main_~x~4)), 35105#(and (<= 42 ULTIMATE.start_main_~y~4) (<= 57 ULTIMATE.start_main_~x~4)), 35106#(and (<= 58 ULTIMATE.start_main_~x~4) (<= 42 ULTIMATE.start_main_~y~4)), 35107#(and (<= 58 ULTIMATE.start_main_~x~4) (<= 41 ULTIMATE.start_main_~y~4)), 35108#(and (<= 41 ULTIMATE.start_main_~y~4) (<= 59 ULTIMATE.start_main_~x~4)), 35109#(and (<= 40 ULTIMATE.start_main_~y~4) (<= 59 ULTIMATE.start_main_~x~4)), 35110#(and (<= 60 ULTIMATE.start_main_~x~4) (<= 40 ULTIMATE.start_main_~y~4)), 35111#(and (<= 39 ULTIMATE.start_main_~y~4) (<= 60 ULTIMATE.start_main_~x~4)), 35112#(and (<= 61 ULTIMATE.start_main_~x~4) (<= 39 ULTIMATE.start_main_~y~4)), 35113#(and (<= 61 ULTIMATE.start_main_~x~4) (<= 38 ULTIMATE.start_main_~y~4)), 35114#(and (<= 38 ULTIMATE.start_main_~y~4) (<= 62 ULTIMATE.start_main_~x~4)), 35115#(and (<= 37 ULTIMATE.start_main_~y~4) (<= 62 ULTIMATE.start_main_~x~4)), 35116#(and (<= 63 ULTIMATE.start_main_~x~4) (<= 37 ULTIMATE.start_main_~y~4)), 35117#(and (<= 63 ULTIMATE.start_main_~x~4) (<= 36 ULTIMATE.start_main_~y~4)), 35118#(and (<= 64 ULTIMATE.start_main_~x~4) (<= 36 ULTIMATE.start_main_~y~4)), 35119#(and (<= 35 ULTIMATE.start_main_~y~4) (<= 64 ULTIMATE.start_main_~x~4)), 35120#(and (<= 35 ULTIMATE.start_main_~y~4) (<= 65 ULTIMATE.start_main_~x~4)), 35121#(and (<= 34 ULTIMATE.start_main_~y~4) (<= 65 ULTIMATE.start_main_~x~4)), 35122#(and (<= 66 ULTIMATE.start_main_~x~4) (<= 34 ULTIMATE.start_main_~y~4)), 35123#(and (<= 66 ULTIMATE.start_main_~x~4) (<= 33 ULTIMATE.start_main_~y~4)), 35124#(and (<= 67 ULTIMATE.start_main_~x~4) (<= 33 ULTIMATE.start_main_~y~4)), 35125#(and (<= 67 ULTIMATE.start_main_~x~4) (<= 32 ULTIMATE.start_main_~y~4)), 35126#(and (<= 32 ULTIMATE.start_main_~y~4) (<= 68 ULTIMATE.start_main_~x~4)), 35127#(and (<= 31 ULTIMATE.start_main_~y~4) (<= 68 ULTIMATE.start_main_~x~4)), 35128#(and (<= 31 ULTIMATE.start_main_~y~4) (<= 69 ULTIMATE.start_main_~x~4)), 35129#(and (<= 30 ULTIMATE.start_main_~y~4) (<= 69 ULTIMATE.start_main_~x~4)), 35130#(and (<= 70 ULTIMATE.start_main_~x~4) (<= 30 ULTIMATE.start_main_~y~4)), 35131#(and (<= 70 ULTIMATE.start_main_~x~4) (<= 29 ULTIMATE.start_main_~y~4)), 35132#(and (<= 71 ULTIMATE.start_main_~x~4) (<= 29 ULTIMATE.start_main_~y~4)), 35133#(and (<= 71 ULTIMATE.start_main_~x~4) (<= 28 ULTIMATE.start_main_~y~4)), 35134#(and (<= 72 ULTIMATE.start_main_~x~4) (<= 28 ULTIMATE.start_main_~y~4)), 35135#(and (<= 72 ULTIMATE.start_main_~x~4) (<= 27 ULTIMATE.start_main_~y~4)), 35136#(and (<= 27 ULTIMATE.start_main_~y~4) (<= 73 ULTIMATE.start_main_~x~4)), 35137#(and (<= 73 ULTIMATE.start_main_~x~4) (<= 26 ULTIMATE.start_main_~y~4)), 35138#(and (<= 74 ULTIMATE.start_main_~x~4) (<= 26 ULTIMATE.start_main_~y~4)), 35139#(and (<= 74 ULTIMATE.start_main_~x~4) (<= 25 ULTIMATE.start_main_~y~4)), 35140#(and (<= 75 ULTIMATE.start_main_~x~4) (<= 25 ULTIMATE.start_main_~y~4)), 35141#(and (<= 24 ULTIMATE.start_main_~y~4) (<= 75 ULTIMATE.start_main_~x~4)), 35142#(and (<= 24 ULTIMATE.start_main_~y~4) (<= 76 ULTIMATE.start_main_~x~4)), 35143#(and (<= 23 ULTIMATE.start_main_~y~4) (<= 76 ULTIMATE.start_main_~x~4)), 35144#(and (<= 77 ULTIMATE.start_main_~x~4) (<= 23 ULTIMATE.start_main_~y~4)), 35145#(and (<= 77 ULTIMATE.start_main_~x~4) (<= 22 ULTIMATE.start_main_~y~4)), 35146#(and (<= 78 ULTIMATE.start_main_~x~4) (<= 22 ULTIMATE.start_main_~y~4)), 35147#(<= 21 ULTIMATE.start_main_~y~4), 35148#(<= 1 ULTIMATE.start_main_~y~4), 34988#true, 34989#false, 34990#(and (<= 0 ULTIMATE.start_main_~y~4) (<= ULTIMATE.start_main_~x~4 0) (<= 0 ULTIMATE.start_main_~x~4)), 34991#(and (<= ULTIMATE.start_main_~x~4 0) (<= 0 ULTIMATE.start_main_~x~4) (<= 1 ULTIMATE.start_main_~y~4)), 34992#(and (<= ULTIMATE.start_main_~x~4 1) (<= 1 ULTIMATE.start_main_~y~4) (<= 1 ULTIMATE.start_main_~x~4)), 34993#(and (<= 2 ULTIMATE.start_main_~y~4) (<= ULTIMATE.start_main_~x~4 1) (<= 1 ULTIMATE.start_main_~x~4)), 34994#(and (<= 2 ULTIMATE.start_main_~y~4) (<= 2 ULTIMATE.start_main_~x~4) (<= ULTIMATE.start_main_~x~4 2)), 34995#(and (<= 3 ULTIMATE.start_main_~y~4) (<= 2 ULTIMATE.start_main_~x~4) (<= ULTIMATE.start_main_~x~4 2)), 34996#(and (<= 3 ULTIMATE.start_main_~x~4) (<= 3 ULTIMATE.start_main_~y~4) (<= ULTIMATE.start_main_~x~4 3)), 34997#(and (<= 3 ULTIMATE.start_main_~x~4) (<= 4 ULTIMATE.start_main_~y~4) (<= ULTIMATE.start_main_~x~4 3)), 34998#(and (<= 4 ULTIMATE.start_main_~y~4) (<= ULTIMATE.start_main_~x~4 4) (<= 4 ULTIMATE.start_main_~x~4)), 34999#(and (<= 5 ULTIMATE.start_main_~y~4) (<= ULTIMATE.start_main_~x~4 4) (<= 4 ULTIMATE.start_main_~x~4)), 35000#(and (<= ULTIMATE.start_main_~x~4 5) (<= 5 ULTIMATE.start_main_~y~4) (<= 5 ULTIMATE.start_main_~x~4)), 35001#(and (<= ULTIMATE.start_main_~x~4 5) (<= 6 ULTIMATE.start_main_~y~4) (<= 5 ULTIMATE.start_main_~x~4)), 35002#(and (<= 6 ULTIMATE.start_main_~x~4) (<= 6 ULTIMATE.start_main_~y~4) (<= ULTIMATE.start_main_~x~4 6)), 35003#(and (<= 6 ULTIMATE.start_main_~x~4) (<= 7 ULTIMATE.start_main_~y~4) (<= ULTIMATE.start_main_~x~4 6)), 35004#(and (<= ULTIMATE.start_main_~x~4 7) (<= 7 ULTIMATE.start_main_~y~4) (<= 7 ULTIMATE.start_main_~x~4)), 35005#(and (<= ULTIMATE.start_main_~x~4 7) (<= 7 ULTIMATE.start_main_~x~4) (<= 8 ULTIMATE.start_main_~y~4)), 35006#(and (<= ULTIMATE.start_main_~x~4 8) (<= 8 ULTIMATE.start_main_~y~4) (<= 8 ULTIMATE.start_main_~x~4)), 35007#(and (<= ULTIMATE.start_main_~x~4 8) (<= 8 ULTIMATE.start_main_~x~4) (<= 9 ULTIMATE.start_main_~y~4)), 35008#(and (<= 9 ULTIMATE.start_main_~x~4) (<= ULTIMATE.start_main_~x~4 9) (<= 9 ULTIMATE.start_main_~y~4)), 35009#(and (<= 9 ULTIMATE.start_main_~x~4) (<= 10 ULTIMATE.start_main_~y~4) (<= ULTIMATE.start_main_~x~4 9)), 35010#(and (<= ULTIMATE.start_main_~x~4 10) (<= 10 ULTIMATE.start_main_~y~4) (<= 10 ULTIMATE.start_main_~x~4)), 35011#(and (<= ULTIMATE.start_main_~x~4 10) (<= 11 ULTIMATE.start_main_~y~4) (<= 10 ULTIMATE.start_main_~x~4)), 35012#(and (<= ULTIMATE.start_main_~x~4 11) (<= 11 ULTIMATE.start_main_~x~4) (<= 11 ULTIMATE.start_main_~y~4)), 35013#(and (<= ULTIMATE.start_main_~x~4 11) (<= 11 ULTIMATE.start_main_~x~4) (<= 12 ULTIMATE.start_main_~y~4)), 35014#(and (<= 12 ULTIMATE.start_main_~x~4) (<= 12 ULTIMATE.start_main_~y~4) (<= ULTIMATE.start_main_~x~4 12)), 35015#(and (<= 12 ULTIMATE.start_main_~x~4) (<= 13 ULTIMATE.start_main_~y~4) (<= ULTIMATE.start_main_~x~4 12)), 35016#(and (<= 13 ULTIMATE.start_main_~y~4) (<= ULTIMATE.start_main_~x~4 13) (<= 13 ULTIMATE.start_main_~x~4)), 35017#(and (<= 14 ULTIMATE.start_main_~y~4) (<= ULTIMATE.start_main_~x~4 13) (<= 13 ULTIMATE.start_main_~x~4)), 35018#(and (<= 14 ULTIMATE.start_main_~y~4) (<= 14 ULTIMATE.start_main_~x~4) (<= ULTIMATE.start_main_~x~4 14)), 35019#(and (<= 14 ULTIMATE.start_main_~x~4) (<= ULTIMATE.start_main_~x~4 14) (<= 15 ULTIMATE.start_main_~y~4)), 35020#(and (<= 15 ULTIMATE.start_main_~x~4) (<= 15 ULTIMATE.start_main_~y~4) (<= ULTIMATE.start_main_~x~4 15)), 35021#(and (<= 15 ULTIMATE.start_main_~x~4) (<= 16 ULTIMATE.start_main_~y~4) (<= ULTIMATE.start_main_~x~4 15)), 35022#(and (<= ULTIMATE.start_main_~x~4 16) (<= 16 ULTIMATE.start_main_~x~4) (<= 16 ULTIMATE.start_main_~y~4)), 35023#(and (<= ULTIMATE.start_main_~x~4 16) (<= 16 ULTIMATE.start_main_~x~4) (<= 17 ULTIMATE.start_main_~y~4)), 35024#(and (<= ULTIMATE.start_main_~x~4 17) (<= 17 ULTIMATE.start_main_~y~4) (<= 17 ULTIMATE.start_main_~x~4)), 35025#(and (<= 18 ULTIMATE.start_main_~y~4) (<= ULTIMATE.start_main_~x~4 17) (<= 17 ULTIMATE.start_main_~x~4)), 35026#(and (<= 18 ULTIMATE.start_main_~y~4) (<= 18 ULTIMATE.start_main_~x~4) (<= ULTIMATE.start_main_~x~4 18)), 35027#(and (<= 18 ULTIMATE.start_main_~x~4) (<= ULTIMATE.start_main_~x~4 18) (<= 19 ULTIMATE.start_main_~y~4)), 35028#(and (<= 19 ULTIMATE.start_main_~y~4) (<= 19 ULTIMATE.start_main_~x~4) (<= ULTIMATE.start_main_~x~4 19)), 35029#(and (<= 20 ULTIMATE.start_main_~y~4) (<= 19 ULTIMATE.start_main_~x~4) (<= ULTIMATE.start_main_~x~4 19)), 35030#(and (<= 20 ULTIMATE.start_main_~x~4) (<= 20 ULTIMATE.start_main_~y~4) (<= ULTIMATE.start_main_~x~4 20)), 35031#(and (<= 20 ULTIMATE.start_main_~x~4) (<= 21 ULTIMATE.start_main_~y~4) (<= ULTIMATE.start_main_~x~4 20)), 35032#(and (<= ULTIMATE.start_main_~x~4 21) (<= 21 ULTIMATE.start_main_~y~4) (<= 21 ULTIMATE.start_main_~x~4)), 35033#(and (<= ULTIMATE.start_main_~x~4 21) (<= 21 ULTIMATE.start_main_~x~4) (<= 22 ULTIMATE.start_main_~y~4)), 35034#(and (<= ULTIMATE.start_main_~x~4 22) (<= 22 ULTIMATE.start_main_~x~4) (<= 22 ULTIMATE.start_main_~y~4)), 35035#(and (<= 23 ULTIMATE.start_main_~y~4) (<= ULTIMATE.start_main_~x~4 22) (<= 22 ULTIMATE.start_main_~x~4)), 35036#(and (<= ULTIMATE.start_main_~x~4 23) (<= 23 ULTIMATE.start_main_~x~4) (<= 23 ULTIMATE.start_main_~y~4)), 35037#(and (<= ULTIMATE.start_main_~x~4 23) (<= 23 ULTIMATE.start_main_~x~4) (<= 24 ULTIMATE.start_main_~y~4)), 35038#(and (<= 24 ULTIMATE.start_main_~y~4) (<= ULTIMATE.start_main_~x~4 24) (<= 24 ULTIMATE.start_main_~x~4)), 35039#(and (<= 25 ULTIMATE.start_main_~y~4) (<= ULTIMATE.start_main_~x~4 24) (<= 24 ULTIMATE.start_main_~x~4)), 35040#(and (<= 25 ULTIMATE.start_main_~y~4) (<= ULTIMATE.start_main_~x~4 25) (<= 25 ULTIMATE.start_main_~x~4)), 35041#(and (<= ULTIMATE.start_main_~x~4 25) (<= 26 ULTIMATE.start_main_~y~4) (<= 25 ULTIMATE.start_main_~x~4)), 35042#(and (<= ULTIMATE.start_main_~x~4 26) (<= 26 ULTIMATE.start_main_~y~4) (<= 26 ULTIMATE.start_main_~x~4)), 35043#(and (<= ULTIMATE.start_main_~x~4 26) (<= 27 ULTIMATE.start_main_~y~4) (<= 26 ULTIMATE.start_main_~x~4)), 35044#(and (<= ULTIMATE.start_main_~x~4 27) (<= 27 ULTIMATE.start_main_~y~4) (<= 27 ULTIMATE.start_main_~x~4)), 35045#(and (<= ULTIMATE.start_main_~x~4 27) (<= 27 ULTIMATE.start_main_~x~4) (<= 28 ULTIMATE.start_main_~y~4)), 35046#(and (<= ULTIMATE.start_main_~x~4 28) (<= 28 ULTIMATE.start_main_~y~4) (<= 28 ULTIMATE.start_main_~x~4)), 35047#(and (<= ULTIMATE.start_main_~x~4 28) (<= 29 ULTIMATE.start_main_~y~4) (<= 28 ULTIMATE.start_main_~x~4)), 35048#(and (<= 29 ULTIMATE.start_main_~x~4) (<= 29 ULTIMATE.start_main_~y~4) (<= ULTIMATE.start_main_~x~4 29)), 35049#(and (<= 29 ULTIMATE.start_main_~x~4) (<= 30 ULTIMATE.start_main_~y~4) (<= ULTIMATE.start_main_~x~4 29)), 35050#(and (<= ULTIMATE.start_main_~x~4 30) (<= 30 ULTIMATE.start_main_~y~4) (<= 30 ULTIMATE.start_main_~x~4)), 35051#(and (<= ULTIMATE.start_main_~x~4 30) (<= 31 ULTIMATE.start_main_~y~4) (<= 30 ULTIMATE.start_main_~x~4)), 35052#(and (<= ULTIMATE.start_main_~x~4 31) (<= 31 ULTIMATE.start_main_~y~4) (<= 31 ULTIMATE.start_main_~x~4)), 35053#(and (<= ULTIMATE.start_main_~x~4 31) (<= 32 ULTIMATE.start_main_~y~4) (<= 31 ULTIMATE.start_main_~x~4)), 35054#(and (<= ULTIMATE.start_main_~x~4 32) (<= 32 ULTIMATE.start_main_~y~4) (<= 32 ULTIMATE.start_main_~x~4)), 35055#(and (<= ULTIMATE.start_main_~x~4 32) (<= 33 ULTIMATE.start_main_~y~4) (<= 32 ULTIMATE.start_main_~x~4)), 35056#(and (<= ULTIMATE.start_main_~x~4 33) (<= 33 ULTIMATE.start_main_~y~4) (<= 33 ULTIMATE.start_main_~x~4)), 35057#(and (<= ULTIMATE.start_main_~x~4 33) (<= 33 ULTIMATE.start_main_~x~4) (<= 34 ULTIMATE.start_main_~y~4)), 35058#(and (<= 34 ULTIMATE.start_main_~x~4) (<= ULTIMATE.start_main_~x~4 34) (<= 34 ULTIMATE.start_main_~y~4)), 35059#(and (<= 34 ULTIMATE.start_main_~x~4) (<= ULTIMATE.start_main_~x~4 34) (<= 35 ULTIMATE.start_main_~y~4)), 35060#(and (<= ULTIMATE.start_main_~x~4 35) (<= 35 ULTIMATE.start_main_~y~4) (<= 35 ULTIMATE.start_main_~x~4)), 35061#(and (<= ULTIMATE.start_main_~x~4 35) (<= 35 ULTIMATE.start_main_~x~4) (<= 36 ULTIMATE.start_main_~y~4)), 35062#(and (<= 36 ULTIMATE.start_main_~x~4) (<= ULTIMATE.start_main_~x~4 36) (<= 36 ULTIMATE.start_main_~y~4)), 35063#(and (<= 36 ULTIMATE.start_main_~x~4) (<= 37 ULTIMATE.start_main_~y~4) (<= ULTIMATE.start_main_~x~4 36)), 35064#(and (<= 37 ULTIMATE.start_main_~y~4) (<= ULTIMATE.start_main_~x~4 37) (<= 37 ULTIMATE.start_main_~x~4)), 35065#(and (<= ULTIMATE.start_main_~x~4 37) (<= 38 ULTIMATE.start_main_~y~4) (<= 37 ULTIMATE.start_main_~x~4)), 35066#(and (<= 38 ULTIMATE.start_main_~x~4) (<= ULTIMATE.start_main_~x~4 38) (<= 38 ULTIMATE.start_main_~y~4)), 35067#(and (<= 38 ULTIMATE.start_main_~x~4) (<= 39 ULTIMATE.start_main_~y~4) (<= ULTIMATE.start_main_~x~4 38)), 35068#(and (<= 39 ULTIMATE.start_main_~y~4) (<= ULTIMATE.start_main_~x~4 39) (<= 39 ULTIMATE.start_main_~x~4)), 35069#(and (<= ULTIMATE.start_main_~x~4 39) (<= 39 ULTIMATE.start_main_~x~4) (<= 40 ULTIMATE.start_main_~y~4)), 35070#(and (<= ULTIMATE.start_main_~x~4 40) (<= 40 ULTIMATE.start_main_~x~4) (<= 40 ULTIMATE.start_main_~y~4)), 35071#(and (<= ULTIMATE.start_main_~x~4 40) (<= 40 ULTIMATE.start_main_~x~4) (<= 41 ULTIMATE.start_main_~y~4))] [2018-07-23 13:41:57,831 INFO L134 CoverageAnalysis]: Checked inductivity of 6320 backedges. 0 proven. 6320 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2018-07-23 13:41:57,831 INFO L450 AbstractCegarLoop]: Interpolant automaton has 161 states [2018-07-23 13:41:57,831 INFO L132 InterpolantAutomaton]: Constructing interpolant automaton starting with 161 interpolants. [2018-07-23 13:41:57,832 INFO L133 InterpolantAutomaton]: CoverageRelationStatistics Valid=698, Invalid=25062, Unknown=0, NotChecked=0, Total=25760 [2018-07-23 13:41:57,832 INFO L87 Difference]: Start difference. First operand 163 states and 163 transitions. Second operand 161 states. [2018-07-23 13:41:58,782 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2018-07-23 13:41:58,782 INFO L93 Difference]: Finished difference Result 168 states and 168 transitions. [2018-07-23 13:41:58,782 INFO L142 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 161 states. [2018-07-23 13:41:58,782 INFO L78 Accepts]: Start accepts. Automaton has 161 states. Word has length 162 [2018-07-23 13:41:58,783 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2018-07-23 13:41:58,783 INFO L225 Difference]: With dead ends: 168 [2018-07-23 13:41:58,783 INFO L226 Difference]: Without dead ends: 166 [2018-07-23 13:41:58,784 INFO L575 BasicCegarLoop]: 0 DeclaredPredicates, 162 GetRequests, 1 SyntacticMatches, 1 SemanticMatches, 160 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 7341 ImplicationChecksByTransitivity, 1.1s TimeCoverageRelationStatistics Valid=704, Invalid=25378, Unknown=0, NotChecked=0, Total=26082 [2018-07-23 13:41:58,785 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 166 states. [2018-07-23 13:41:58,809 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 166 to 165. [2018-07-23 13:41:58,809 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 165 states. [2018-07-23 13:41:58,809 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 165 states to 165 states and 165 transitions. [2018-07-23 13:41:58,810 INFO L78 Accepts]: Start accepts. Automaton has 165 states and 165 transitions. Word has length 162 [2018-07-23 13:41:58,810 INFO L84 Accepts]: Finished accepts. word is rejected. [2018-07-23 13:41:58,810 INFO L471 AbstractCegarLoop]: Abstraction has 165 states and 165 transitions. [2018-07-23 13:41:58,810 INFO L472 AbstractCegarLoop]: Interpolant automaton has 161 states. [2018-07-23 13:41:58,810 INFO L276 IsEmpty]: Start isEmpty. Operand 165 states and 165 transitions. [2018-07-23 13:41:58,811 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 165 [2018-07-23 13:41:58,811 INFO L349 BasicCegarLoop]: Found error trace [2018-07-23 13:41:58,811 INFO L357 BasicCegarLoop]: trace histogram [81, 80, 1, 1, 1] [2018-07-23 13:41:58,812 INFO L414 AbstractCegarLoop]: === Iteration 81 === [ULTIMATE.startErr0AssertViolationASSERT]=== [2018-07-23 13:41:58,812 INFO L82 PathProgramCache]: Analyzing trace with hash -1350248424, now seen corresponding path program 80 times [2018-07-23 13:41:58,812 INFO L69 tionRefinementEngine]: Using refinement strategy FixedRefinementStrategy [2018-07-23 13:41:58,840 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-07-23 13:42:00,193 INFO L134 CoverageAnalysis]: Checked inductivity of 6480 backedges. 0 proven. 6480 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2018-07-23 13:42:00,193 INFO L309 seRefinementStrategy]: Constructing automaton from 0 perfect and 1 imperfect interpolant sequences. [2018-07-23 13:42:00,194 INFO L324 seRefinementStrategy]: Number of different interpolants: perfect sequences [] imperfect sequences [162] total 162 [2018-07-23 13:42:00,194 INFO L142 lantAutomatonBuilder]: Constructing canonical interpolant automaton, with selfloop in false state [2018-07-23 13:42:00,194 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2018-07-23 13:42:00,194 INFO L185 omatonBuilderFactory]: Interpolants [35840#(and (<= ULTIMATE.start_main_~x~4 10) (<= 11 ULTIMATE.start_main_~y~4) (<= 10 ULTIMATE.start_main_~x~4)), 35841#(and (<= ULTIMATE.start_main_~x~4 11) (<= 11 ULTIMATE.start_main_~x~4) (<= 11 ULTIMATE.start_main_~y~4)), 35842#(and (<= ULTIMATE.start_main_~x~4 11) (<= 11 ULTIMATE.start_main_~x~4) (<= 12 ULTIMATE.start_main_~y~4)), 35843#(and (<= 12 ULTIMATE.start_main_~x~4) (<= 12 ULTIMATE.start_main_~y~4) (<= ULTIMATE.start_main_~x~4 12)), 35844#(and (<= 12 ULTIMATE.start_main_~x~4) (<= 13 ULTIMATE.start_main_~y~4) (<= ULTIMATE.start_main_~x~4 12)), 35845#(and (<= 13 ULTIMATE.start_main_~y~4) (<= ULTIMATE.start_main_~x~4 13) (<= 13 ULTIMATE.start_main_~x~4)), 35846#(and (<= 14 ULTIMATE.start_main_~y~4) (<= ULTIMATE.start_main_~x~4 13) (<= 13 ULTIMATE.start_main_~x~4)), 35847#(and (<= 14 ULTIMATE.start_main_~y~4) (<= 14 ULTIMATE.start_main_~x~4) (<= ULTIMATE.start_main_~x~4 14)), 35848#(and (<= 14 ULTIMATE.start_main_~x~4) (<= ULTIMATE.start_main_~x~4 14) (<= 15 ULTIMATE.start_main_~y~4)), 35849#(and (<= 15 ULTIMATE.start_main_~x~4) (<= 15 ULTIMATE.start_main_~y~4) (<= ULTIMATE.start_main_~x~4 15)), 35850#(and (<= 15 ULTIMATE.start_main_~x~4) (<= 16 ULTIMATE.start_main_~y~4) (<= ULTIMATE.start_main_~x~4 15)), 35851#(and (<= ULTIMATE.start_main_~x~4 16) (<= 16 ULTIMATE.start_main_~x~4) (<= 16 ULTIMATE.start_main_~y~4)), 35852#(and (<= ULTIMATE.start_main_~x~4 16) (<= 16 ULTIMATE.start_main_~x~4) (<= 17 ULTIMATE.start_main_~y~4)), 35853#(and (<= ULTIMATE.start_main_~x~4 17) (<= 17 ULTIMATE.start_main_~y~4) (<= 17 ULTIMATE.start_main_~x~4)), 35854#(and (<= 18 ULTIMATE.start_main_~y~4) (<= ULTIMATE.start_main_~x~4 17) (<= 17 ULTIMATE.start_main_~x~4)), 35855#(and (<= 18 ULTIMATE.start_main_~y~4) (<= 18 ULTIMATE.start_main_~x~4) (<= ULTIMATE.start_main_~x~4 18)), 35856#(and (<= 18 ULTIMATE.start_main_~x~4) (<= ULTIMATE.start_main_~x~4 18) (<= 19 ULTIMATE.start_main_~y~4)), 35857#(and (<= 19 ULTIMATE.start_main_~y~4) (<= 19 ULTIMATE.start_main_~x~4) (<= ULTIMATE.start_main_~x~4 19)), 35858#(and (<= 20 ULTIMATE.start_main_~y~4) (<= 19 ULTIMATE.start_main_~x~4) (<= ULTIMATE.start_main_~x~4 19)), 35859#(and (<= 20 ULTIMATE.start_main_~x~4) (<= 20 ULTIMATE.start_main_~y~4) (<= ULTIMATE.start_main_~x~4 20)), 35860#(and (<= 20 ULTIMATE.start_main_~x~4) (<= 21 ULTIMATE.start_main_~y~4) (<= ULTIMATE.start_main_~x~4 20)), 35861#(and (<= ULTIMATE.start_main_~x~4 21) (<= 21 ULTIMATE.start_main_~y~4) (<= 21 ULTIMATE.start_main_~x~4)), 35862#(and (<= ULTIMATE.start_main_~x~4 21) (<= 21 ULTIMATE.start_main_~x~4) (<= 22 ULTIMATE.start_main_~y~4)), 35863#(and (<= ULTIMATE.start_main_~x~4 22) (<= 22 ULTIMATE.start_main_~x~4) (<= 22 ULTIMATE.start_main_~y~4)), 35864#(and (<= 23 ULTIMATE.start_main_~y~4) (<= ULTIMATE.start_main_~x~4 22) (<= 22 ULTIMATE.start_main_~x~4)), 35865#(and (<= ULTIMATE.start_main_~x~4 23) (<= 23 ULTIMATE.start_main_~x~4) (<= 23 ULTIMATE.start_main_~y~4)), 35866#(and (<= ULTIMATE.start_main_~x~4 23) (<= 23 ULTIMATE.start_main_~x~4) (<= 24 ULTIMATE.start_main_~y~4)), 35867#(and (<= 24 ULTIMATE.start_main_~y~4) (<= ULTIMATE.start_main_~x~4 24) (<= 24 ULTIMATE.start_main_~x~4)), 35868#(and (<= 25 ULTIMATE.start_main_~y~4) (<= ULTIMATE.start_main_~x~4 24) (<= 24 ULTIMATE.start_main_~x~4)), 35869#(and (<= 25 ULTIMATE.start_main_~y~4) (<= ULTIMATE.start_main_~x~4 25) (<= 25 ULTIMATE.start_main_~x~4)), 35870#(and (<= ULTIMATE.start_main_~x~4 25) (<= 26 ULTIMATE.start_main_~y~4) (<= 25 ULTIMATE.start_main_~x~4)), 35871#(and (<= ULTIMATE.start_main_~x~4 26) (<= 26 ULTIMATE.start_main_~y~4) (<= 26 ULTIMATE.start_main_~x~4)), 35872#(and (<= ULTIMATE.start_main_~x~4 26) (<= 27 ULTIMATE.start_main_~y~4) (<= 26 ULTIMATE.start_main_~x~4)), 35873#(and (<= ULTIMATE.start_main_~x~4 27) (<= 27 ULTIMATE.start_main_~y~4) (<= 27 ULTIMATE.start_main_~x~4)), 35874#(and (<= ULTIMATE.start_main_~x~4 27) (<= 27 ULTIMATE.start_main_~x~4) (<= 28 ULTIMATE.start_main_~y~4)), 35875#(and (<= ULTIMATE.start_main_~x~4 28) (<= 28 ULTIMATE.start_main_~y~4) (<= 28 ULTIMATE.start_main_~x~4)), 35876#(and (<= ULTIMATE.start_main_~x~4 28) (<= 29 ULTIMATE.start_main_~y~4) (<= 28 ULTIMATE.start_main_~x~4)), 35877#(and (<= 29 ULTIMATE.start_main_~x~4) (<= 29 ULTIMATE.start_main_~y~4) (<= ULTIMATE.start_main_~x~4 29)), 35878#(and (<= 29 ULTIMATE.start_main_~x~4) (<= 30 ULTIMATE.start_main_~y~4) (<= ULTIMATE.start_main_~x~4 29)), 35879#(and (<= ULTIMATE.start_main_~x~4 30) (<= 30 ULTIMATE.start_main_~y~4) (<= 30 ULTIMATE.start_main_~x~4)), 35880#(and (<= ULTIMATE.start_main_~x~4 30) (<= 31 ULTIMATE.start_main_~y~4) (<= 30 ULTIMATE.start_main_~x~4)), 35881#(and (<= ULTIMATE.start_main_~x~4 31) (<= 31 ULTIMATE.start_main_~y~4) (<= 31 ULTIMATE.start_main_~x~4)), 35882#(and (<= ULTIMATE.start_main_~x~4 31) (<= 32 ULTIMATE.start_main_~y~4) (<= 31 ULTIMATE.start_main_~x~4)), 35883#(and (<= ULTIMATE.start_main_~x~4 32) (<= 32 ULTIMATE.start_main_~y~4) (<= 32 ULTIMATE.start_main_~x~4)), 35884#(and (<= ULTIMATE.start_main_~x~4 32) (<= 33 ULTIMATE.start_main_~y~4) (<= 32 ULTIMATE.start_main_~x~4)), 35885#(and (<= ULTIMATE.start_main_~x~4 33) (<= 33 ULTIMATE.start_main_~y~4) (<= 33 ULTIMATE.start_main_~x~4)), 35886#(and (<= ULTIMATE.start_main_~x~4 33) (<= 33 ULTIMATE.start_main_~x~4) (<= 34 ULTIMATE.start_main_~y~4)), 35887#(and (<= 34 ULTIMATE.start_main_~x~4) (<= ULTIMATE.start_main_~x~4 34) (<= 34 ULTIMATE.start_main_~y~4)), 35888#(and (<= 34 ULTIMATE.start_main_~x~4) (<= ULTIMATE.start_main_~x~4 34) (<= 35 ULTIMATE.start_main_~y~4)), 35889#(and (<= ULTIMATE.start_main_~x~4 35) (<= 35 ULTIMATE.start_main_~y~4) (<= 35 ULTIMATE.start_main_~x~4)), 35890#(and (<= ULTIMATE.start_main_~x~4 35) (<= 35 ULTIMATE.start_main_~x~4) (<= 36 ULTIMATE.start_main_~y~4)), 35891#(and (<= 36 ULTIMATE.start_main_~x~4) (<= ULTIMATE.start_main_~x~4 36) (<= 36 ULTIMATE.start_main_~y~4)), 35892#(and (<= 36 ULTIMATE.start_main_~x~4) (<= 37 ULTIMATE.start_main_~y~4) (<= ULTIMATE.start_main_~x~4 36)), 35893#(and (<= 37 ULTIMATE.start_main_~y~4) (<= ULTIMATE.start_main_~x~4 37) (<= 37 ULTIMATE.start_main_~x~4)), 35894#(and (<= ULTIMATE.start_main_~x~4 37) (<= 38 ULTIMATE.start_main_~y~4) (<= 37 ULTIMATE.start_main_~x~4)), 35895#(and (<= 38 ULTIMATE.start_main_~x~4) (<= ULTIMATE.start_main_~x~4 38) (<= 38 ULTIMATE.start_main_~y~4)), 35896#(and (<= 38 ULTIMATE.start_main_~x~4) (<= 39 ULTIMATE.start_main_~y~4) (<= ULTIMATE.start_main_~x~4 38)), 35897#(and (<= 39 ULTIMATE.start_main_~y~4) (<= ULTIMATE.start_main_~x~4 39) (<= 39 ULTIMATE.start_main_~x~4)), 35898#(and (<= ULTIMATE.start_main_~x~4 39) (<= 39 ULTIMATE.start_main_~x~4) (<= 40 ULTIMATE.start_main_~y~4)), 35899#(and (<= ULTIMATE.start_main_~x~4 40) (<= 40 ULTIMATE.start_main_~x~4) (<= 40 ULTIMATE.start_main_~y~4)), 35900#(and (<= ULTIMATE.start_main_~x~4 40) (<= 40 ULTIMATE.start_main_~x~4) (<= 41 ULTIMATE.start_main_~y~4)), 35901#(and (<= ULTIMATE.start_main_~x~4 41) (<= 41 ULTIMATE.start_main_~x~4) (<= 41 ULTIMATE.start_main_~y~4)), 35902#(and (<= ULTIMATE.start_main_~x~4 41) (<= 41 ULTIMATE.start_main_~x~4) (<= 42 ULTIMATE.start_main_~y~4)), 35903#(and (<= 42 ULTIMATE.start_main_~y~4) (<= ULTIMATE.start_main_~x~4 42) (<= 42 ULTIMATE.start_main_~x~4)), 35904#(and (<= 43 ULTIMATE.start_main_~y~4) (<= ULTIMATE.start_main_~x~4 42) (<= 42 ULTIMATE.start_main_~x~4)), 35905#(and (<= 43 ULTIMATE.start_main_~y~4) (<= ULTIMATE.start_main_~x~4 43) (<= 43 ULTIMATE.start_main_~x~4)), 35906#(and (<= ULTIMATE.start_main_~x~4 43) (<= 44 ULTIMATE.start_main_~y~4) (<= 43 ULTIMATE.start_main_~x~4)), 35907#(and (<= 44 ULTIMATE.start_main_~x~4) (<= ULTIMATE.start_main_~x~4 44) (<= 44 ULTIMATE.start_main_~y~4)), 35908#(and (<= 44 ULTIMATE.start_main_~x~4) (<= ULTIMATE.start_main_~x~4 44) (<= 45 ULTIMATE.start_main_~y~4)), 35909#(and (<= 45 ULTIMATE.start_main_~y~4) (<= 45 ULTIMATE.start_main_~x~4) (<= ULTIMATE.start_main_~x~4 45)), 35910#(and (<= 46 ULTIMATE.start_main_~y~4) (<= 45 ULTIMATE.start_main_~x~4) (<= ULTIMATE.start_main_~x~4 45)), 35911#(and (<= ULTIMATE.start_main_~x~4 46) (<= 46 ULTIMATE.start_main_~x~4) (<= 46 ULTIMATE.start_main_~y~4)), 35912#(and (<= ULTIMATE.start_main_~x~4 46) (<= 47 ULTIMATE.start_main_~y~4) (<= 46 ULTIMATE.start_main_~x~4)), 35913#(and (<= 47 ULTIMATE.start_main_~y~4) (<= 47 ULTIMATE.start_main_~x~4) (<= ULTIMATE.start_main_~x~4 47)), 35914#(and (<= 48 ULTIMATE.start_main_~y~4) (<= 47 ULTIMATE.start_main_~x~4) (<= ULTIMATE.start_main_~x~4 47)), 35915#(and (<= 48 ULTIMATE.start_main_~x~4) (<= 48 ULTIMATE.start_main_~y~4) (<= ULTIMATE.start_main_~x~4 48)), 35916#(and (<= 48 ULTIMATE.start_main_~x~4) (<= 49 ULTIMATE.start_main_~y~4) (<= ULTIMATE.start_main_~x~4 48)), 35917#(and (<= 49 ULTIMATE.start_main_~x~4) (<= 49 ULTIMATE.start_main_~y~4) (<= ULTIMATE.start_main_~x~4 49)), 35918#(and (<= 49 ULTIMATE.start_main_~x~4) (<= 50 ULTIMATE.start_main_~y~4)), 35919#(and (<= 50 ULTIMATE.start_main_~x~4) (<= 50 ULTIMATE.start_main_~y~4)), 35920#(and (<= 50 ULTIMATE.start_main_~x~4) (<= 49 ULTIMATE.start_main_~y~4)), 35921#(and (<= 51 ULTIMATE.start_main_~x~4) (<= 49 ULTIMATE.start_main_~y~4)), 35922#(and (<= 51 ULTIMATE.start_main_~x~4) (<= 48 ULTIMATE.start_main_~y~4)), 35923#(and (<= 52 ULTIMATE.start_main_~x~4) (<= 48 ULTIMATE.start_main_~y~4)), 35924#(and (<= 52 ULTIMATE.start_main_~x~4) (<= 47 ULTIMATE.start_main_~y~4)), 35925#(and (<= 47 ULTIMATE.start_main_~y~4) (<= 53 ULTIMATE.start_main_~x~4)), 35926#(and (<= 53 ULTIMATE.start_main_~x~4) (<= 46 ULTIMATE.start_main_~y~4)), 35927#(and (<= 54 ULTIMATE.start_main_~x~4) (<= 46 ULTIMATE.start_main_~y~4)), 35928#(and (<= 45 ULTIMATE.start_main_~y~4) (<= 54 ULTIMATE.start_main_~x~4)), 35929#(and (<= 45 ULTIMATE.start_main_~y~4) (<= 55 ULTIMATE.start_main_~x~4)), 35930#(and (<= 55 ULTIMATE.start_main_~x~4) (<= 44 ULTIMATE.start_main_~y~4)), 35931#(and (<= 56 ULTIMATE.start_main_~x~4) (<= 44 ULTIMATE.start_main_~y~4)), 35932#(and (<= 56 ULTIMATE.start_main_~x~4) (<= 43 ULTIMATE.start_main_~y~4)), 35933#(and (<= 43 ULTIMATE.start_main_~y~4) (<= 57 ULTIMATE.start_main_~x~4)), 35934#(and (<= 42 ULTIMATE.start_main_~y~4) (<= 57 ULTIMATE.start_main_~x~4)), 35935#(and (<= 58 ULTIMATE.start_main_~x~4) (<= 42 ULTIMATE.start_main_~y~4)), 35936#(and (<= 58 ULTIMATE.start_main_~x~4) (<= 41 ULTIMATE.start_main_~y~4)), 35937#(and (<= 41 ULTIMATE.start_main_~y~4) (<= 59 ULTIMATE.start_main_~x~4)), 35938#(and (<= 40 ULTIMATE.start_main_~y~4) (<= 59 ULTIMATE.start_main_~x~4)), 35939#(and (<= 60 ULTIMATE.start_main_~x~4) (<= 40 ULTIMATE.start_main_~y~4)), 35940#(and (<= 39 ULTIMATE.start_main_~y~4) (<= 60 ULTIMATE.start_main_~x~4)), 35941#(and (<= 61 ULTIMATE.start_main_~x~4) (<= 39 ULTIMATE.start_main_~y~4)), 35942#(and (<= 61 ULTIMATE.start_main_~x~4) (<= 38 ULTIMATE.start_main_~y~4)), 35943#(and (<= 38 ULTIMATE.start_main_~y~4) (<= 62 ULTIMATE.start_main_~x~4)), 35944#(and (<= 37 ULTIMATE.start_main_~y~4) (<= 62 ULTIMATE.start_main_~x~4)), 35945#(and (<= 63 ULTIMATE.start_main_~x~4) (<= 37 ULTIMATE.start_main_~y~4)), 35946#(and (<= 63 ULTIMATE.start_main_~x~4) (<= 36 ULTIMATE.start_main_~y~4)), 35947#(and (<= 64 ULTIMATE.start_main_~x~4) (<= 36 ULTIMATE.start_main_~y~4)), 35948#(and (<= 35 ULTIMATE.start_main_~y~4) (<= 64 ULTIMATE.start_main_~x~4)), 35949#(and (<= 35 ULTIMATE.start_main_~y~4) (<= 65 ULTIMATE.start_main_~x~4)), 35950#(and (<= 34 ULTIMATE.start_main_~y~4) (<= 65 ULTIMATE.start_main_~x~4)), 35951#(and (<= 66 ULTIMATE.start_main_~x~4) (<= 34 ULTIMATE.start_main_~y~4)), 35952#(and (<= 66 ULTIMATE.start_main_~x~4) (<= 33 ULTIMATE.start_main_~y~4)), 35953#(and (<= 67 ULTIMATE.start_main_~x~4) (<= 33 ULTIMATE.start_main_~y~4)), 35954#(and (<= 67 ULTIMATE.start_main_~x~4) (<= 32 ULTIMATE.start_main_~y~4)), 35955#(and (<= 32 ULTIMATE.start_main_~y~4) (<= 68 ULTIMATE.start_main_~x~4)), 35956#(and (<= 31 ULTIMATE.start_main_~y~4) (<= 68 ULTIMATE.start_main_~x~4)), 35957#(and (<= 31 ULTIMATE.start_main_~y~4) (<= 69 ULTIMATE.start_main_~x~4)), 35958#(and (<= 30 ULTIMATE.start_main_~y~4) (<= 69 ULTIMATE.start_main_~x~4)), 35959#(and (<= 70 ULTIMATE.start_main_~x~4) (<= 30 ULTIMATE.start_main_~y~4)), 35960#(and (<= 70 ULTIMATE.start_main_~x~4) (<= 29 ULTIMATE.start_main_~y~4)), 35961#(and (<= 71 ULTIMATE.start_main_~x~4) (<= 29 ULTIMATE.start_main_~y~4)), 35962#(and (<= 71 ULTIMATE.start_main_~x~4) (<= 28 ULTIMATE.start_main_~y~4)), 35963#(and (<= 72 ULTIMATE.start_main_~x~4) (<= 28 ULTIMATE.start_main_~y~4)), 35964#(and (<= 72 ULTIMATE.start_main_~x~4) (<= 27 ULTIMATE.start_main_~y~4)), 35965#(and (<= 27 ULTIMATE.start_main_~y~4) (<= 73 ULTIMATE.start_main_~x~4)), 35966#(and (<= 73 ULTIMATE.start_main_~x~4) (<= 26 ULTIMATE.start_main_~y~4)), 35967#(and (<= 74 ULTIMATE.start_main_~x~4) (<= 26 ULTIMATE.start_main_~y~4)), 35968#(and (<= 74 ULTIMATE.start_main_~x~4) (<= 25 ULTIMATE.start_main_~y~4)), 35969#(and (<= 75 ULTIMATE.start_main_~x~4) (<= 25 ULTIMATE.start_main_~y~4)), 35970#(and (<= 24 ULTIMATE.start_main_~y~4) (<= 75 ULTIMATE.start_main_~x~4)), 35971#(and (<= 24 ULTIMATE.start_main_~y~4) (<= 76 ULTIMATE.start_main_~x~4)), 35972#(and (<= 23 ULTIMATE.start_main_~y~4) (<= 76 ULTIMATE.start_main_~x~4)), 35973#(and (<= 77 ULTIMATE.start_main_~x~4) (<= 23 ULTIMATE.start_main_~y~4)), 35974#(and (<= 77 ULTIMATE.start_main_~x~4) (<= 22 ULTIMATE.start_main_~y~4)), 35975#(and (<= 78 ULTIMATE.start_main_~x~4) (<= 22 ULTIMATE.start_main_~y~4)), 35976#(and (<= 21 ULTIMATE.start_main_~y~4) (<= 78 ULTIMATE.start_main_~x~4)), 35977#(and (<= 79 ULTIMATE.start_main_~x~4) (<= 21 ULTIMATE.start_main_~y~4)), 35978#(<= 20 ULTIMATE.start_main_~y~4), 35979#(<= 1 ULTIMATE.start_main_~y~4), 35817#true, 35818#false, 35819#(and (<= 0 ULTIMATE.start_main_~y~4) (<= ULTIMATE.start_main_~x~4 0) (<= 0 ULTIMATE.start_main_~x~4)), 35820#(and (<= ULTIMATE.start_main_~x~4 0) (<= 0 ULTIMATE.start_main_~x~4) (<= 1 ULTIMATE.start_main_~y~4)), 35821#(and (<= ULTIMATE.start_main_~x~4 1) (<= 1 ULTIMATE.start_main_~y~4) (<= 1 ULTIMATE.start_main_~x~4)), 35822#(and (<= 2 ULTIMATE.start_main_~y~4) (<= ULTIMATE.start_main_~x~4 1) (<= 1 ULTIMATE.start_main_~x~4)), 35823#(and (<= 2 ULTIMATE.start_main_~y~4) (<= 2 ULTIMATE.start_main_~x~4) (<= ULTIMATE.start_main_~x~4 2)), 35824#(and (<= 3 ULTIMATE.start_main_~y~4) (<= 2 ULTIMATE.start_main_~x~4) (<= ULTIMATE.start_main_~x~4 2)), 35825#(and (<= 3 ULTIMATE.start_main_~x~4) (<= 3 ULTIMATE.start_main_~y~4) (<= ULTIMATE.start_main_~x~4 3)), 35826#(and (<= 3 ULTIMATE.start_main_~x~4) (<= 4 ULTIMATE.start_main_~y~4) (<= ULTIMATE.start_main_~x~4 3)), 35827#(and (<= 4 ULTIMATE.start_main_~y~4) (<= ULTIMATE.start_main_~x~4 4) (<= 4 ULTIMATE.start_main_~x~4)), 35828#(and (<= 5 ULTIMATE.start_main_~y~4) (<= ULTIMATE.start_main_~x~4 4) (<= 4 ULTIMATE.start_main_~x~4)), 35829#(and (<= ULTIMATE.start_main_~x~4 5) (<= 5 ULTIMATE.start_main_~y~4) (<= 5 ULTIMATE.start_main_~x~4)), 35830#(and (<= ULTIMATE.start_main_~x~4 5) (<= 6 ULTIMATE.start_main_~y~4) (<= 5 ULTIMATE.start_main_~x~4)), 35831#(and (<= 6 ULTIMATE.start_main_~x~4) (<= 6 ULTIMATE.start_main_~y~4) (<= ULTIMATE.start_main_~x~4 6)), 35832#(and (<= 6 ULTIMATE.start_main_~x~4) (<= 7 ULTIMATE.start_main_~y~4) (<= ULTIMATE.start_main_~x~4 6)), 35833#(and (<= ULTIMATE.start_main_~x~4 7) (<= 7 ULTIMATE.start_main_~y~4) (<= 7 ULTIMATE.start_main_~x~4)), 35834#(and (<= ULTIMATE.start_main_~x~4 7) (<= 7 ULTIMATE.start_main_~x~4) (<= 8 ULTIMATE.start_main_~y~4)), 35835#(and (<= ULTIMATE.start_main_~x~4 8) (<= 8 ULTIMATE.start_main_~y~4) (<= 8 ULTIMATE.start_main_~x~4)), 35836#(and (<= ULTIMATE.start_main_~x~4 8) (<= 8 ULTIMATE.start_main_~x~4) (<= 9 ULTIMATE.start_main_~y~4)), 35837#(and (<= 9 ULTIMATE.start_main_~x~4) (<= ULTIMATE.start_main_~x~4 9) (<= 9 ULTIMATE.start_main_~y~4)), 35838#(and (<= 9 ULTIMATE.start_main_~x~4) (<= 10 ULTIMATE.start_main_~y~4) (<= ULTIMATE.start_main_~x~4 9)), 35839#(and (<= ULTIMATE.start_main_~x~4 10) (<= 10 ULTIMATE.start_main_~y~4) (<= 10 ULTIMATE.start_main_~x~4))] [2018-07-23 13:42:00,195 INFO L134 CoverageAnalysis]: Checked inductivity of 6480 backedges. 0 proven. 6480 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2018-07-23 13:42:00,195 INFO L450 AbstractCegarLoop]: Interpolant automaton has 163 states [2018-07-23 13:42:00,196 INFO L132 InterpolantAutomaton]: Constructing interpolant automaton starting with 163 interpolants. [2018-07-23 13:42:00,197 INFO L133 InterpolantAutomaton]: CoverageRelationStatistics Valid=710, Invalid=25696, Unknown=0, NotChecked=0, Total=26406 [2018-07-23 13:42:00,198 INFO L87 Difference]: Start difference. First operand 165 states and 165 transitions. Second operand 163 states. [2018-07-23 13:42:01,447 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2018-07-23 13:42:01,447 INFO L93 Difference]: Finished difference Result 170 states and 170 transitions. [2018-07-23 13:42:01,447 INFO L142 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 163 states. [2018-07-23 13:42:01,447 INFO L78 Accepts]: Start accepts. Automaton has 163 states. Word has length 164 [2018-07-23 13:42:01,448 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2018-07-23 13:42:01,449 INFO L225 Difference]: With dead ends: 170 [2018-07-23 13:42:01,449 INFO L226 Difference]: Without dead ends: 168 [2018-07-23 13:42:01,450 INFO L575 BasicCegarLoop]: 0 DeclaredPredicates, 164 GetRequests, 1 SyntacticMatches, 1 SemanticMatches, 162 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 7563 ImplicationChecksByTransitivity, 1.0s TimeCoverageRelationStatistics Valid=716, Invalid=26016, Unknown=0, NotChecked=0, Total=26732 [2018-07-23 13:42:01,451 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 168 states. [2018-07-23 13:42:01,470 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 168 to 167. [2018-07-23 13:42:01,470 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 167 states. [2018-07-23 13:42:01,470 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 167 states to 167 states and 167 transitions. [2018-07-23 13:42:01,471 INFO L78 Accepts]: Start accepts. Automaton has 167 states and 167 transitions. Word has length 164 [2018-07-23 13:42:01,471 INFO L84 Accepts]: Finished accepts. word is rejected. [2018-07-23 13:42:01,471 INFO L471 AbstractCegarLoop]: Abstraction has 167 states and 167 transitions. [2018-07-23 13:42:01,471 INFO L472 AbstractCegarLoop]: Interpolant automaton has 163 states. [2018-07-23 13:42:01,471 INFO L276 IsEmpty]: Start isEmpty. Operand 167 states and 167 transitions. [2018-07-23 13:42:01,472 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 167 [2018-07-23 13:42:01,472 INFO L349 BasicCegarLoop]: Found error trace [2018-07-23 13:42:01,472 INFO L357 BasicCegarLoop]: trace histogram [82, 81, 1, 1, 1] [2018-07-23 13:42:01,472 INFO L414 AbstractCegarLoop]: === Iteration 82 === [ULTIMATE.startErr0AssertViolationASSERT]=== [2018-07-23 13:42:01,473 INFO L82 PathProgramCache]: Analyzing trace with hash -508548290, now seen corresponding path program 81 times [2018-07-23 13:42:01,473 INFO L69 tionRefinementEngine]: Using refinement strategy FixedRefinementStrategy [2018-07-23 13:42:01,504 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-07-23 13:42:02,743 INFO L134 CoverageAnalysis]: Checked inductivity of 6642 backedges. 0 proven. 6642 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2018-07-23 13:42:02,744 INFO L309 seRefinementStrategy]: Constructing automaton from 0 perfect and 1 imperfect interpolant sequences. [2018-07-23 13:42:02,744 INFO L324 seRefinementStrategy]: Number of different interpolants: perfect sequences [] imperfect sequences [164] total 164 [2018-07-23 13:42:02,744 INFO L142 lantAutomatonBuilder]: Constructing canonical interpolant automaton, with selfloop in false state [2018-07-23 13:42:02,744 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2018-07-23 13:42:02,745 INFO L185 omatonBuilderFactory]: Interpolants [36656#true, 36657#false, 36658#(and (<= 0 ULTIMATE.start_main_~y~4) (<= ULTIMATE.start_main_~x~4 0) (<= 0 ULTIMATE.start_main_~x~4)), 36659#(and (<= ULTIMATE.start_main_~x~4 0) (<= 0 ULTIMATE.start_main_~x~4) (<= 1 ULTIMATE.start_main_~y~4)), 36660#(and (<= ULTIMATE.start_main_~x~4 1) (<= 1 ULTIMATE.start_main_~y~4) (<= 1 ULTIMATE.start_main_~x~4)), 36661#(and (<= 2 ULTIMATE.start_main_~y~4) (<= ULTIMATE.start_main_~x~4 1) (<= 1 ULTIMATE.start_main_~x~4)), 36662#(and (<= 2 ULTIMATE.start_main_~y~4) (<= 2 ULTIMATE.start_main_~x~4) (<= ULTIMATE.start_main_~x~4 2)), 36663#(and (<= 3 ULTIMATE.start_main_~y~4) (<= 2 ULTIMATE.start_main_~x~4) (<= ULTIMATE.start_main_~x~4 2)), 36664#(and (<= 3 ULTIMATE.start_main_~x~4) (<= 3 ULTIMATE.start_main_~y~4) (<= ULTIMATE.start_main_~x~4 3)), 36665#(and (<= 3 ULTIMATE.start_main_~x~4) (<= 4 ULTIMATE.start_main_~y~4) (<= ULTIMATE.start_main_~x~4 3)), 36666#(and (<= 4 ULTIMATE.start_main_~y~4) (<= ULTIMATE.start_main_~x~4 4) (<= 4 ULTIMATE.start_main_~x~4)), 36667#(and (<= 5 ULTIMATE.start_main_~y~4) (<= ULTIMATE.start_main_~x~4 4) (<= 4 ULTIMATE.start_main_~x~4)), 36668#(and (<= ULTIMATE.start_main_~x~4 5) (<= 5 ULTIMATE.start_main_~y~4) (<= 5 ULTIMATE.start_main_~x~4)), 36669#(and (<= ULTIMATE.start_main_~x~4 5) (<= 6 ULTIMATE.start_main_~y~4) (<= 5 ULTIMATE.start_main_~x~4)), 36670#(and (<= 6 ULTIMATE.start_main_~x~4) (<= 6 ULTIMATE.start_main_~y~4) (<= ULTIMATE.start_main_~x~4 6)), 36671#(and (<= 6 ULTIMATE.start_main_~x~4) (<= 7 ULTIMATE.start_main_~y~4) (<= ULTIMATE.start_main_~x~4 6)), 36672#(and (<= ULTIMATE.start_main_~x~4 7) (<= 7 ULTIMATE.start_main_~y~4) (<= 7 ULTIMATE.start_main_~x~4)), 36673#(and (<= ULTIMATE.start_main_~x~4 7) (<= 7 ULTIMATE.start_main_~x~4) (<= 8 ULTIMATE.start_main_~y~4)), 36674#(and (<= ULTIMATE.start_main_~x~4 8) (<= 8 ULTIMATE.start_main_~y~4) (<= 8 ULTIMATE.start_main_~x~4)), 36675#(and (<= ULTIMATE.start_main_~x~4 8) (<= 8 ULTIMATE.start_main_~x~4) (<= 9 ULTIMATE.start_main_~y~4)), 36676#(and (<= 9 ULTIMATE.start_main_~x~4) (<= ULTIMATE.start_main_~x~4 9) (<= 9 ULTIMATE.start_main_~y~4)), 36677#(and (<= 9 ULTIMATE.start_main_~x~4) (<= 10 ULTIMATE.start_main_~y~4) (<= ULTIMATE.start_main_~x~4 9)), 36678#(and (<= ULTIMATE.start_main_~x~4 10) (<= 10 ULTIMATE.start_main_~y~4) (<= 10 ULTIMATE.start_main_~x~4)), 36679#(and (<= ULTIMATE.start_main_~x~4 10) (<= 11 ULTIMATE.start_main_~y~4) (<= 10 ULTIMATE.start_main_~x~4)), 36680#(and (<= ULTIMATE.start_main_~x~4 11) (<= 11 ULTIMATE.start_main_~x~4) (<= 11 ULTIMATE.start_main_~y~4)), 36681#(and (<= ULTIMATE.start_main_~x~4 11) (<= 11 ULTIMATE.start_main_~x~4) (<= 12 ULTIMATE.start_main_~y~4)), 36682#(and (<= 12 ULTIMATE.start_main_~x~4) (<= 12 ULTIMATE.start_main_~y~4) (<= ULTIMATE.start_main_~x~4 12)), 36683#(and (<= 12 ULTIMATE.start_main_~x~4) (<= 13 ULTIMATE.start_main_~y~4) (<= ULTIMATE.start_main_~x~4 12)), 36684#(and (<= 13 ULTIMATE.start_main_~y~4) (<= ULTIMATE.start_main_~x~4 13) (<= 13 ULTIMATE.start_main_~x~4)), 36685#(and (<= 14 ULTIMATE.start_main_~y~4) (<= ULTIMATE.start_main_~x~4 13) (<= 13 ULTIMATE.start_main_~x~4)), 36686#(and (<= 14 ULTIMATE.start_main_~y~4) (<= 14 ULTIMATE.start_main_~x~4) (<= ULTIMATE.start_main_~x~4 14)), 36687#(and (<= 14 ULTIMATE.start_main_~x~4) (<= ULTIMATE.start_main_~x~4 14) (<= 15 ULTIMATE.start_main_~y~4)), 36688#(and (<= 15 ULTIMATE.start_main_~x~4) (<= 15 ULTIMATE.start_main_~y~4) (<= ULTIMATE.start_main_~x~4 15)), 36689#(and (<= 15 ULTIMATE.start_main_~x~4) (<= 16 ULTIMATE.start_main_~y~4) (<= ULTIMATE.start_main_~x~4 15)), 36690#(and (<= ULTIMATE.start_main_~x~4 16) (<= 16 ULTIMATE.start_main_~x~4) (<= 16 ULTIMATE.start_main_~y~4)), 36691#(and (<= ULTIMATE.start_main_~x~4 16) (<= 16 ULTIMATE.start_main_~x~4) (<= 17 ULTIMATE.start_main_~y~4)), 36692#(and (<= ULTIMATE.start_main_~x~4 17) (<= 17 ULTIMATE.start_main_~y~4) (<= 17 ULTIMATE.start_main_~x~4)), 36693#(and (<= 18 ULTIMATE.start_main_~y~4) (<= ULTIMATE.start_main_~x~4 17) (<= 17 ULTIMATE.start_main_~x~4)), 36694#(and (<= 18 ULTIMATE.start_main_~y~4) (<= 18 ULTIMATE.start_main_~x~4) (<= ULTIMATE.start_main_~x~4 18)), 36695#(and (<= 18 ULTIMATE.start_main_~x~4) (<= ULTIMATE.start_main_~x~4 18) (<= 19 ULTIMATE.start_main_~y~4)), 36696#(and (<= 19 ULTIMATE.start_main_~y~4) (<= 19 ULTIMATE.start_main_~x~4) (<= ULTIMATE.start_main_~x~4 19)), 36697#(and (<= 20 ULTIMATE.start_main_~y~4) (<= 19 ULTIMATE.start_main_~x~4) (<= ULTIMATE.start_main_~x~4 19)), 36698#(and (<= 20 ULTIMATE.start_main_~x~4) (<= 20 ULTIMATE.start_main_~y~4) (<= ULTIMATE.start_main_~x~4 20)), 36699#(and (<= 20 ULTIMATE.start_main_~x~4) (<= 21 ULTIMATE.start_main_~y~4) (<= ULTIMATE.start_main_~x~4 20)), 36700#(and (<= ULTIMATE.start_main_~x~4 21) (<= 21 ULTIMATE.start_main_~y~4) (<= 21 ULTIMATE.start_main_~x~4)), 36701#(and (<= ULTIMATE.start_main_~x~4 21) (<= 21 ULTIMATE.start_main_~x~4) (<= 22 ULTIMATE.start_main_~y~4)), 36702#(and (<= ULTIMATE.start_main_~x~4 22) (<= 22 ULTIMATE.start_main_~x~4) (<= 22 ULTIMATE.start_main_~y~4)), 36703#(and (<= 23 ULTIMATE.start_main_~y~4) (<= ULTIMATE.start_main_~x~4 22) (<= 22 ULTIMATE.start_main_~x~4)), 36704#(and (<= ULTIMATE.start_main_~x~4 23) (<= 23 ULTIMATE.start_main_~x~4) (<= 23 ULTIMATE.start_main_~y~4)), 36705#(and (<= ULTIMATE.start_main_~x~4 23) (<= 23 ULTIMATE.start_main_~x~4) (<= 24 ULTIMATE.start_main_~y~4)), 36706#(and (<= 24 ULTIMATE.start_main_~y~4) (<= ULTIMATE.start_main_~x~4 24) (<= 24 ULTIMATE.start_main_~x~4)), 36707#(and (<= 25 ULTIMATE.start_main_~y~4) (<= ULTIMATE.start_main_~x~4 24) (<= 24 ULTIMATE.start_main_~x~4)), 36708#(and (<= 25 ULTIMATE.start_main_~y~4) (<= ULTIMATE.start_main_~x~4 25) (<= 25 ULTIMATE.start_main_~x~4)), 36709#(and (<= ULTIMATE.start_main_~x~4 25) (<= 26 ULTIMATE.start_main_~y~4) (<= 25 ULTIMATE.start_main_~x~4)), 36710#(and (<= ULTIMATE.start_main_~x~4 26) (<= 26 ULTIMATE.start_main_~y~4) (<= 26 ULTIMATE.start_main_~x~4)), 36711#(and (<= ULTIMATE.start_main_~x~4 26) (<= 27 ULTIMATE.start_main_~y~4) (<= 26 ULTIMATE.start_main_~x~4)), 36712#(and (<= ULTIMATE.start_main_~x~4 27) (<= 27 ULTIMATE.start_main_~y~4) (<= 27 ULTIMATE.start_main_~x~4)), 36713#(and (<= ULTIMATE.start_main_~x~4 27) (<= 27 ULTIMATE.start_main_~x~4) (<= 28 ULTIMATE.start_main_~y~4)), 36714#(and (<= ULTIMATE.start_main_~x~4 28) (<= 28 ULTIMATE.start_main_~y~4) (<= 28 ULTIMATE.start_main_~x~4)), 36715#(and (<= ULTIMATE.start_main_~x~4 28) (<= 29 ULTIMATE.start_main_~y~4) (<= 28 ULTIMATE.start_main_~x~4)), 36716#(and (<= 29 ULTIMATE.start_main_~x~4) (<= 29 ULTIMATE.start_main_~y~4) (<= ULTIMATE.start_main_~x~4 29)), 36717#(and (<= 29 ULTIMATE.start_main_~x~4) (<= 30 ULTIMATE.start_main_~y~4) (<= ULTIMATE.start_main_~x~4 29)), 36718#(and (<= ULTIMATE.start_main_~x~4 30) (<= 30 ULTIMATE.start_main_~y~4) (<= 30 ULTIMATE.start_main_~x~4)), 36719#(and (<= ULTIMATE.start_main_~x~4 30) (<= 31 ULTIMATE.start_main_~y~4) (<= 30 ULTIMATE.start_main_~x~4)), 36720#(and (<= ULTIMATE.start_main_~x~4 31) (<= 31 ULTIMATE.start_main_~y~4) (<= 31 ULTIMATE.start_main_~x~4)), 36721#(and (<= ULTIMATE.start_main_~x~4 31) (<= 32 ULTIMATE.start_main_~y~4) (<= 31 ULTIMATE.start_main_~x~4)), 36722#(and (<= ULTIMATE.start_main_~x~4 32) (<= 32 ULTIMATE.start_main_~y~4) (<= 32 ULTIMATE.start_main_~x~4)), 36723#(and (<= ULTIMATE.start_main_~x~4 32) (<= 33 ULTIMATE.start_main_~y~4) (<= 32 ULTIMATE.start_main_~x~4)), 36724#(and (<= ULTIMATE.start_main_~x~4 33) (<= 33 ULTIMATE.start_main_~y~4) (<= 33 ULTIMATE.start_main_~x~4)), 36725#(and (<= ULTIMATE.start_main_~x~4 33) (<= 33 ULTIMATE.start_main_~x~4) (<= 34 ULTIMATE.start_main_~y~4)), 36726#(and (<= 34 ULTIMATE.start_main_~x~4) (<= ULTIMATE.start_main_~x~4 34) (<= 34 ULTIMATE.start_main_~y~4)), 36727#(and (<= 34 ULTIMATE.start_main_~x~4) (<= ULTIMATE.start_main_~x~4 34) (<= 35 ULTIMATE.start_main_~y~4)), 36728#(and (<= ULTIMATE.start_main_~x~4 35) (<= 35 ULTIMATE.start_main_~y~4) (<= 35 ULTIMATE.start_main_~x~4)), 36729#(and (<= ULTIMATE.start_main_~x~4 35) (<= 35 ULTIMATE.start_main_~x~4) (<= 36 ULTIMATE.start_main_~y~4)), 36730#(and (<= 36 ULTIMATE.start_main_~x~4) (<= ULTIMATE.start_main_~x~4 36) (<= 36 ULTIMATE.start_main_~y~4)), 36731#(and (<= 36 ULTIMATE.start_main_~x~4) (<= 37 ULTIMATE.start_main_~y~4) (<= ULTIMATE.start_main_~x~4 36)), 36732#(and (<= 37 ULTIMATE.start_main_~y~4) (<= ULTIMATE.start_main_~x~4 37) (<= 37 ULTIMATE.start_main_~x~4)), 36733#(and (<= ULTIMATE.start_main_~x~4 37) (<= 38 ULTIMATE.start_main_~y~4) (<= 37 ULTIMATE.start_main_~x~4)), 36734#(and (<= 38 ULTIMATE.start_main_~x~4) (<= ULTIMATE.start_main_~x~4 38) (<= 38 ULTIMATE.start_main_~y~4)), 36735#(and (<= 38 ULTIMATE.start_main_~x~4) (<= 39 ULTIMATE.start_main_~y~4) (<= ULTIMATE.start_main_~x~4 38)), 36736#(and (<= 39 ULTIMATE.start_main_~y~4) (<= ULTIMATE.start_main_~x~4 39) (<= 39 ULTIMATE.start_main_~x~4)), 36737#(and (<= ULTIMATE.start_main_~x~4 39) (<= 39 ULTIMATE.start_main_~x~4) (<= 40 ULTIMATE.start_main_~y~4)), 36738#(and (<= ULTIMATE.start_main_~x~4 40) (<= 40 ULTIMATE.start_main_~x~4) (<= 40 ULTIMATE.start_main_~y~4)), 36739#(and (<= ULTIMATE.start_main_~x~4 40) (<= 40 ULTIMATE.start_main_~x~4) (<= 41 ULTIMATE.start_main_~y~4)), 36740#(and (<= ULTIMATE.start_main_~x~4 41) (<= 41 ULTIMATE.start_main_~x~4) (<= 41 ULTIMATE.start_main_~y~4)), 36741#(and (<= ULTIMATE.start_main_~x~4 41) (<= 41 ULTIMATE.start_main_~x~4) (<= 42 ULTIMATE.start_main_~y~4)), 36742#(and (<= 42 ULTIMATE.start_main_~y~4) (<= ULTIMATE.start_main_~x~4 42) (<= 42 ULTIMATE.start_main_~x~4)), 36743#(and (<= 43 ULTIMATE.start_main_~y~4) (<= ULTIMATE.start_main_~x~4 42) (<= 42 ULTIMATE.start_main_~x~4)), 36744#(and (<= 43 ULTIMATE.start_main_~y~4) (<= ULTIMATE.start_main_~x~4 43) (<= 43 ULTIMATE.start_main_~x~4)), 36745#(and (<= ULTIMATE.start_main_~x~4 43) (<= 44 ULTIMATE.start_main_~y~4) (<= 43 ULTIMATE.start_main_~x~4)), 36746#(and (<= 44 ULTIMATE.start_main_~x~4) (<= ULTIMATE.start_main_~x~4 44) (<= 44 ULTIMATE.start_main_~y~4)), 36747#(and (<= 44 ULTIMATE.start_main_~x~4) (<= ULTIMATE.start_main_~x~4 44) (<= 45 ULTIMATE.start_main_~y~4)), 36748#(and (<= 45 ULTIMATE.start_main_~y~4) (<= 45 ULTIMATE.start_main_~x~4) (<= ULTIMATE.start_main_~x~4 45)), 36749#(and (<= 46 ULTIMATE.start_main_~y~4) (<= 45 ULTIMATE.start_main_~x~4) (<= ULTIMATE.start_main_~x~4 45)), 36750#(and (<= ULTIMATE.start_main_~x~4 46) (<= 46 ULTIMATE.start_main_~x~4) (<= 46 ULTIMATE.start_main_~y~4)), 36751#(and (<= ULTIMATE.start_main_~x~4 46) (<= 47 ULTIMATE.start_main_~y~4) (<= 46 ULTIMATE.start_main_~x~4)), 36752#(and (<= 47 ULTIMATE.start_main_~y~4) (<= 47 ULTIMATE.start_main_~x~4) (<= ULTIMATE.start_main_~x~4 47)), 36753#(and (<= 48 ULTIMATE.start_main_~y~4) (<= 47 ULTIMATE.start_main_~x~4) (<= ULTIMATE.start_main_~x~4 47)), 36754#(and (<= 48 ULTIMATE.start_main_~x~4) (<= 48 ULTIMATE.start_main_~y~4) (<= ULTIMATE.start_main_~x~4 48)), 36755#(and (<= 48 ULTIMATE.start_main_~x~4) (<= 49 ULTIMATE.start_main_~y~4) (<= ULTIMATE.start_main_~x~4 48)), 36756#(and (<= 49 ULTIMATE.start_main_~x~4) (<= 49 ULTIMATE.start_main_~y~4) (<= ULTIMATE.start_main_~x~4 49)), 36757#(and (<= 49 ULTIMATE.start_main_~x~4) (<= 50 ULTIMATE.start_main_~y~4)), 36758#(and (<= 50 ULTIMATE.start_main_~x~4) (<= 50 ULTIMATE.start_main_~y~4)), 36759#(and (<= 50 ULTIMATE.start_main_~x~4) (<= 49 ULTIMATE.start_main_~y~4)), 36760#(and (<= 51 ULTIMATE.start_main_~x~4) (<= 49 ULTIMATE.start_main_~y~4)), 36761#(and (<= 51 ULTIMATE.start_main_~x~4) (<= 48 ULTIMATE.start_main_~y~4)), 36762#(and (<= 52 ULTIMATE.start_main_~x~4) (<= 48 ULTIMATE.start_main_~y~4)), 36763#(and (<= 52 ULTIMATE.start_main_~x~4) (<= 47 ULTIMATE.start_main_~y~4)), 36764#(and (<= 47 ULTIMATE.start_main_~y~4) (<= 53 ULTIMATE.start_main_~x~4)), 36765#(and (<= 53 ULTIMATE.start_main_~x~4) (<= 46 ULTIMATE.start_main_~y~4)), 36766#(and (<= 54 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ULTIMATE.start_main_~x~4) (<= 33 ULTIMATE.start_main_~y~4)), 36792#(and (<= 67 ULTIMATE.start_main_~x~4) (<= 33 ULTIMATE.start_main_~y~4)), 36793#(and (<= 67 ULTIMATE.start_main_~x~4) (<= 32 ULTIMATE.start_main_~y~4)), 36794#(and (<= 32 ULTIMATE.start_main_~y~4) (<= 68 ULTIMATE.start_main_~x~4)), 36795#(and (<= 31 ULTIMATE.start_main_~y~4) (<= 68 ULTIMATE.start_main_~x~4)), 36796#(and (<= 31 ULTIMATE.start_main_~y~4) (<= 69 ULTIMATE.start_main_~x~4)), 36797#(and (<= 30 ULTIMATE.start_main_~y~4) (<= 69 ULTIMATE.start_main_~x~4)), 36798#(and (<= 70 ULTIMATE.start_main_~x~4) (<= 30 ULTIMATE.start_main_~y~4)), 36799#(and (<= 70 ULTIMATE.start_main_~x~4) (<= 29 ULTIMATE.start_main_~y~4)), 36800#(and (<= 71 ULTIMATE.start_main_~x~4) (<= 29 ULTIMATE.start_main_~y~4)), 36801#(and (<= 71 ULTIMATE.start_main_~x~4) (<= 28 ULTIMATE.start_main_~y~4)), 36802#(and (<= 72 ULTIMATE.start_main_~x~4) (<= 28 ULTIMATE.start_main_~y~4)), 36803#(and (<= 72 ULTIMATE.start_main_~x~4) (<= 27 ULTIMATE.start_main_~y~4)), 36804#(and (<= 27 ULTIMATE.start_main_~y~4) (<= 73 ULTIMATE.start_main_~x~4)), 36805#(and (<= 73 ULTIMATE.start_main_~x~4) (<= 26 ULTIMATE.start_main_~y~4)), 36806#(and (<= 74 ULTIMATE.start_main_~x~4) (<= 26 ULTIMATE.start_main_~y~4)), 36807#(and (<= 74 ULTIMATE.start_main_~x~4) (<= 25 ULTIMATE.start_main_~y~4)), 36808#(and (<= 75 ULTIMATE.start_main_~x~4) (<= 25 ULTIMATE.start_main_~y~4)), 36809#(and (<= 24 ULTIMATE.start_main_~y~4) (<= 75 ULTIMATE.start_main_~x~4)), 36810#(and (<= 24 ULTIMATE.start_main_~y~4) (<= 76 ULTIMATE.start_main_~x~4)), 36811#(and (<= 23 ULTIMATE.start_main_~y~4) (<= 76 ULTIMATE.start_main_~x~4)), 36812#(and (<= 77 ULTIMATE.start_main_~x~4) (<= 23 ULTIMATE.start_main_~y~4)), 36813#(and (<= 77 ULTIMATE.start_main_~x~4) (<= 22 ULTIMATE.start_main_~y~4)), 36814#(and (<= 78 ULTIMATE.start_main_~x~4) (<= 22 ULTIMATE.start_main_~y~4)), 36815#(and (<= 21 ULTIMATE.start_main_~y~4) (<= 78 ULTIMATE.start_main_~x~4)), 36816#(and (<= 79 ULTIMATE.start_main_~x~4) (<= 21 ULTIMATE.start_main_~y~4)), 36817#(and (<= 79 ULTIMATE.start_main_~x~4) (<= 20 ULTIMATE.start_main_~y~4)), 36818#(and (<= 20 ULTIMATE.start_main_~y~4) (<= 80 ULTIMATE.start_main_~x~4)), 36819#(<= 19 ULTIMATE.start_main_~y~4), 36820#(<= 1 ULTIMATE.start_main_~y~4)] [2018-07-23 13:42:02,746 INFO L134 CoverageAnalysis]: Checked inductivity of 6642 backedges. 0 proven. 6642 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2018-07-23 13:42:02,746 INFO L450 AbstractCegarLoop]: Interpolant automaton has 165 states [2018-07-23 13:42:02,746 INFO L132 InterpolantAutomaton]: Constructing interpolant automaton starting with 165 interpolants. [2018-07-23 13:42:02,748 INFO L133 InterpolantAutomaton]: CoverageRelationStatistics Valid=722, Invalid=26338, Unknown=0, NotChecked=0, Total=27060 [2018-07-23 13:42:02,748 INFO L87 Difference]: Start difference. First operand 167 states and 167 transitions. Second operand 165 states. [2018-07-23 13:42:03,775 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2018-07-23 13:42:03,775 INFO L93 Difference]: Finished difference Result 172 states and 172 transitions. [2018-07-23 13:42:03,775 INFO L142 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 165 states. [2018-07-23 13:42:03,775 INFO L78 Accepts]: Start accepts. Automaton has 165 states. Word has length 166 [2018-07-23 13:42:03,775 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2018-07-23 13:42:03,776 INFO L225 Difference]: With dead ends: 172 [2018-07-23 13:42:03,776 INFO L226 Difference]: Without dead ends: 170 [2018-07-23 13:42:03,778 INFO L575 BasicCegarLoop]: 0 DeclaredPredicates, 166 GetRequests, 1 SyntacticMatches, 1 SemanticMatches, 164 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 7789 ImplicationChecksByTransitivity, 0.9s TimeCoverageRelationStatistics Valid=728, Invalid=26662, Unknown=0, NotChecked=0, Total=27390 [2018-07-23 13:42:03,778 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 170 states. [2018-07-23 13:42:03,798 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 170 to 169. [2018-07-23 13:42:03,798 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 169 states. [2018-07-23 13:42:03,799 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 169 states to 169 states and 169 transitions. [2018-07-23 13:42:03,799 INFO L78 Accepts]: Start accepts. Automaton has 169 states and 169 transitions. Word has length 166 [2018-07-23 13:42:03,799 INFO L84 Accepts]: Finished accepts. word is rejected. [2018-07-23 13:42:03,799 INFO L471 AbstractCegarLoop]: Abstraction has 169 states and 169 transitions. [2018-07-23 13:42:03,799 INFO L472 AbstractCegarLoop]: Interpolant automaton has 165 states. [2018-07-23 13:42:03,800 INFO L276 IsEmpty]: Start isEmpty. Operand 169 states and 169 transitions. [2018-07-23 13:42:03,800 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 169 [2018-07-23 13:42:03,801 INFO L349 BasicCegarLoop]: Found error trace [2018-07-23 13:42:03,801 INFO L357 BasicCegarLoop]: trace histogram [83, 82, 1, 1, 1] [2018-07-23 13:42:03,801 INFO L414 AbstractCegarLoop]: === Iteration 83 === [ULTIMATE.startErr0AssertViolationASSERT]=== [2018-07-23 13:42:03,801 INFO L82 PathProgramCache]: Analyzing trace with hash 911428836, now seen corresponding path program 82 times [2018-07-23 13:42:03,801 INFO L69 tionRefinementEngine]: Using refinement strategy FixedRefinementStrategy [2018-07-23 13:42:03,830 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-07-23 13:42:05,064 INFO L134 CoverageAnalysis]: Checked inductivity of 6806 backedges. 0 proven. 6806 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2018-07-23 13:42:05,064 INFO L309 seRefinementStrategy]: Constructing automaton from 0 perfect and 1 imperfect interpolant sequences. [2018-07-23 13:42:05,064 INFO L324 seRefinementStrategy]: Number of different interpolants: perfect sequences [] imperfect sequences [166] total 166 [2018-07-23 13:42:05,065 INFO L142 lantAutomatonBuilder]: Constructing canonical interpolant automaton, with selfloop in false state [2018-07-23 13:42:05,065 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2018-07-23 13:42:05,065 INFO L185 omatonBuilderFactory]: Interpolants [37632#(and (<= 37 ULTIMATE.start_main_~y~4) (<= 62 ULTIMATE.start_main_~x~4)), 37633#(and (<= 63 ULTIMATE.start_main_~x~4) (<= 37 ULTIMATE.start_main_~y~4)), 37634#(and (<= 63 ULTIMATE.start_main_~x~4) (<= 36 ULTIMATE.start_main_~y~4)), 37635#(and (<= 64 ULTIMATE.start_main_~x~4) (<= 36 ULTIMATE.start_main_~y~4)), 37636#(and (<= 35 ULTIMATE.start_main_~y~4) (<= 64 ULTIMATE.start_main_~x~4)), 37637#(and (<= 35 ULTIMATE.start_main_~y~4) (<= 65 ULTIMATE.start_main_~x~4)), 37638#(and (<= 34 ULTIMATE.start_main_~y~4) (<= 65 ULTIMATE.start_main_~x~4)), 37639#(and (<= 66 ULTIMATE.start_main_~x~4) (<= 34 ULTIMATE.start_main_~y~4)), 37640#(and (<= 66 ULTIMATE.start_main_~x~4) (<= 33 ULTIMATE.start_main_~y~4)), 37641#(and (<= 67 ULTIMATE.start_main_~x~4) (<= 33 ULTIMATE.start_main_~y~4)), 37642#(and (<= 67 ULTIMATE.start_main_~x~4) (<= 32 ULTIMATE.start_main_~y~4)), 37643#(and (<= 32 ULTIMATE.start_main_~y~4) (<= 68 ULTIMATE.start_main_~x~4)), 37644#(and (<= 31 ULTIMATE.start_main_~y~4) (<= 68 ULTIMATE.start_main_~x~4)), 37645#(and (<= 31 ULTIMATE.start_main_~y~4) (<= 69 ULTIMATE.start_main_~x~4)), 37646#(and (<= 30 ULTIMATE.start_main_~y~4) (<= 69 ULTIMATE.start_main_~x~4)), 37647#(and (<= 70 ULTIMATE.start_main_~x~4) (<= 30 ULTIMATE.start_main_~y~4)), 37648#(and (<= 70 ULTIMATE.start_main_~x~4) (<= 29 ULTIMATE.start_main_~y~4)), 37649#(and (<= 71 ULTIMATE.start_main_~x~4) (<= 29 ULTIMATE.start_main_~y~4)), 37650#(and (<= 71 ULTIMATE.start_main_~x~4) (<= 28 ULTIMATE.start_main_~y~4)), 37651#(and (<= 72 ULTIMATE.start_main_~x~4) (<= 28 ULTIMATE.start_main_~y~4)), 37652#(and (<= 72 ULTIMATE.start_main_~x~4) (<= 27 ULTIMATE.start_main_~y~4)), 37653#(and (<= 27 ULTIMATE.start_main_~y~4) (<= 73 ULTIMATE.start_main_~x~4)), 37654#(and (<= 73 ULTIMATE.start_main_~x~4) (<= 26 ULTIMATE.start_main_~y~4)), 37655#(and (<= 74 ULTIMATE.start_main_~x~4) (<= 26 ULTIMATE.start_main_~y~4)), 37656#(and (<= 74 ULTIMATE.start_main_~x~4) (<= 25 ULTIMATE.start_main_~y~4)), 37657#(and (<= 75 ULTIMATE.start_main_~x~4) (<= 25 ULTIMATE.start_main_~y~4)), 37658#(and (<= 24 ULTIMATE.start_main_~y~4) (<= 75 ULTIMATE.start_main_~x~4)), 37659#(and (<= 24 ULTIMATE.start_main_~y~4) (<= 76 ULTIMATE.start_main_~x~4)), 37660#(and (<= 23 ULTIMATE.start_main_~y~4) (<= 76 ULTIMATE.start_main_~x~4)), 37661#(and (<= 77 ULTIMATE.start_main_~x~4) (<= 23 ULTIMATE.start_main_~y~4)), 37662#(and (<= 77 ULTIMATE.start_main_~x~4) (<= 22 ULTIMATE.start_main_~y~4)), 37663#(and (<= 78 ULTIMATE.start_main_~x~4) (<= 22 ULTIMATE.start_main_~y~4)), 37664#(and (<= 21 ULTIMATE.start_main_~y~4) (<= 78 ULTIMATE.start_main_~x~4)), 37665#(and (<= 79 ULTIMATE.start_main_~x~4) (<= 21 ULTIMATE.start_main_~y~4)), 37666#(and (<= 79 ULTIMATE.start_main_~x~4) (<= 20 ULTIMATE.start_main_~y~4)), 37667#(and (<= 20 ULTIMATE.start_main_~y~4) (<= 80 ULTIMATE.start_main_~x~4)), 37668#(and (<= 19 ULTIMATE.start_main_~y~4) (<= 80 ULTIMATE.start_main_~x~4)), 37669#(and (<= 19 ULTIMATE.start_main_~y~4) (<= 81 ULTIMATE.start_main_~x~4)), 37670#(<= 18 ULTIMATE.start_main_~y~4), 37671#(<= 1 ULTIMATE.start_main_~y~4), 37505#true, 37506#false, 37507#(and (<= 0 ULTIMATE.start_main_~y~4) (<= ULTIMATE.start_main_~x~4 0) (<= 0 ULTIMATE.start_main_~x~4)), 37508#(and (<= ULTIMATE.start_main_~x~4 0) (<= 0 ULTIMATE.start_main_~x~4) (<= 1 ULTIMATE.start_main_~y~4)), 37509#(and (<= ULTIMATE.start_main_~x~4 1) (<= 1 ULTIMATE.start_main_~y~4) (<= 1 ULTIMATE.start_main_~x~4)), 37510#(and (<= 2 ULTIMATE.start_main_~y~4) (<= ULTIMATE.start_main_~x~4 1) (<= 1 ULTIMATE.start_main_~x~4)), 37511#(and (<= 2 ULTIMATE.start_main_~y~4) (<= 2 ULTIMATE.start_main_~x~4) (<= ULTIMATE.start_main_~x~4 2)), 37512#(and (<= 3 ULTIMATE.start_main_~y~4) (<= 2 ULTIMATE.start_main_~x~4) (<= ULTIMATE.start_main_~x~4 2)), 37513#(and (<= 3 ULTIMATE.start_main_~x~4) (<= 3 ULTIMATE.start_main_~y~4) (<= ULTIMATE.start_main_~x~4 3)), 37514#(and (<= 3 ULTIMATE.start_main_~x~4) (<= 4 ULTIMATE.start_main_~y~4) (<= ULTIMATE.start_main_~x~4 3)), 37515#(and (<= 4 ULTIMATE.start_main_~y~4) (<= ULTIMATE.start_main_~x~4 4) (<= 4 ULTIMATE.start_main_~x~4)), 37516#(and (<= 5 ULTIMATE.start_main_~y~4) (<= ULTIMATE.start_main_~x~4 4) (<= 4 ULTIMATE.start_main_~x~4)), 37517#(and (<= ULTIMATE.start_main_~x~4 5) (<= 5 ULTIMATE.start_main_~y~4) (<= 5 ULTIMATE.start_main_~x~4)), 37518#(and (<= ULTIMATE.start_main_~x~4 5) (<= 6 ULTIMATE.start_main_~y~4) (<= 5 ULTIMATE.start_main_~x~4)), 37519#(and (<= 6 ULTIMATE.start_main_~x~4) (<= 6 ULTIMATE.start_main_~y~4) (<= ULTIMATE.start_main_~x~4 6)), 37520#(and (<= 6 ULTIMATE.start_main_~x~4) (<= 7 ULTIMATE.start_main_~y~4) (<= ULTIMATE.start_main_~x~4 6)), 37521#(and (<= ULTIMATE.start_main_~x~4 7) (<= 7 ULTIMATE.start_main_~y~4) (<= 7 ULTIMATE.start_main_~x~4)), 37522#(and (<= ULTIMATE.start_main_~x~4 7) (<= 7 ULTIMATE.start_main_~x~4) (<= 8 ULTIMATE.start_main_~y~4)), 37523#(and (<= ULTIMATE.start_main_~x~4 8) (<= 8 ULTIMATE.start_main_~y~4) (<= 8 ULTIMATE.start_main_~x~4)), 37524#(and (<= ULTIMATE.start_main_~x~4 8) (<= 8 ULTIMATE.start_main_~x~4) (<= 9 ULTIMATE.start_main_~y~4)), 37525#(and (<= 9 ULTIMATE.start_main_~x~4) (<= ULTIMATE.start_main_~x~4 9) (<= 9 ULTIMATE.start_main_~y~4)), 37526#(and (<= 9 ULTIMATE.start_main_~x~4) (<= 10 ULTIMATE.start_main_~y~4) (<= ULTIMATE.start_main_~x~4 9)), 37527#(and (<= ULTIMATE.start_main_~x~4 10) (<= 10 ULTIMATE.start_main_~y~4) (<= 10 ULTIMATE.start_main_~x~4)), 37528#(and (<= ULTIMATE.start_main_~x~4 10) (<= 11 ULTIMATE.start_main_~y~4) (<= 10 ULTIMATE.start_main_~x~4)), 37529#(and (<= ULTIMATE.start_main_~x~4 11) (<= 11 ULTIMATE.start_main_~x~4) (<= 11 ULTIMATE.start_main_~y~4)), 37530#(and (<= ULTIMATE.start_main_~x~4 11) (<= 11 ULTIMATE.start_main_~x~4) (<= 12 ULTIMATE.start_main_~y~4)), 37531#(and (<= 12 ULTIMATE.start_main_~x~4) (<= 12 ULTIMATE.start_main_~y~4) (<= ULTIMATE.start_main_~x~4 12)), 37532#(and (<= 12 ULTIMATE.start_main_~x~4) (<= 13 ULTIMATE.start_main_~y~4) (<= ULTIMATE.start_main_~x~4 12)), 37533#(and (<= 13 ULTIMATE.start_main_~y~4) (<= ULTIMATE.start_main_~x~4 13) (<= 13 ULTIMATE.start_main_~x~4)), 37534#(and (<= 14 ULTIMATE.start_main_~y~4) (<= ULTIMATE.start_main_~x~4 13) (<= 13 ULTIMATE.start_main_~x~4)), 37535#(and (<= 14 ULTIMATE.start_main_~y~4) (<= 14 ULTIMATE.start_main_~x~4) (<= ULTIMATE.start_main_~x~4 14)), 37536#(and (<= 14 ULTIMATE.start_main_~x~4) (<= ULTIMATE.start_main_~x~4 14) (<= 15 ULTIMATE.start_main_~y~4)), 37537#(and (<= 15 ULTIMATE.start_main_~x~4) (<= 15 ULTIMATE.start_main_~y~4) (<= ULTIMATE.start_main_~x~4 15)), 37538#(and (<= 15 ULTIMATE.start_main_~x~4) (<= 16 ULTIMATE.start_main_~y~4) (<= ULTIMATE.start_main_~x~4 15)), 37539#(and (<= ULTIMATE.start_main_~x~4 16) (<= 16 ULTIMATE.start_main_~x~4) (<= 16 ULTIMATE.start_main_~y~4)), 37540#(and (<= ULTIMATE.start_main_~x~4 16) (<= 16 ULTIMATE.start_main_~x~4) (<= 17 ULTIMATE.start_main_~y~4)), 37541#(and (<= ULTIMATE.start_main_~x~4 17) (<= 17 ULTIMATE.start_main_~y~4) (<= 17 ULTIMATE.start_main_~x~4)), 37542#(and (<= 18 ULTIMATE.start_main_~y~4) (<= ULTIMATE.start_main_~x~4 17) (<= 17 ULTIMATE.start_main_~x~4)), 37543#(and (<= 18 ULTIMATE.start_main_~y~4) (<= 18 ULTIMATE.start_main_~x~4) (<= ULTIMATE.start_main_~x~4 18)), 37544#(and (<= 18 ULTIMATE.start_main_~x~4) (<= ULTIMATE.start_main_~x~4 18) (<= 19 ULTIMATE.start_main_~y~4)), 37545#(and (<= 19 ULTIMATE.start_main_~y~4) (<= 19 ULTIMATE.start_main_~x~4) (<= ULTIMATE.start_main_~x~4 19)), 37546#(and (<= 20 ULTIMATE.start_main_~y~4) (<= 19 ULTIMATE.start_main_~x~4) (<= ULTIMATE.start_main_~x~4 19)), 37547#(and (<= 20 ULTIMATE.start_main_~x~4) (<= 20 ULTIMATE.start_main_~y~4) (<= ULTIMATE.start_main_~x~4 20)), 37548#(and (<= 20 ULTIMATE.start_main_~x~4) (<= 21 ULTIMATE.start_main_~y~4) (<= ULTIMATE.start_main_~x~4 20)), 37549#(and (<= ULTIMATE.start_main_~x~4 21) (<= 21 ULTIMATE.start_main_~y~4) (<= 21 ULTIMATE.start_main_~x~4)), 37550#(and (<= ULTIMATE.start_main_~x~4 21) (<= 21 ULTIMATE.start_main_~x~4) (<= 22 ULTIMATE.start_main_~y~4)), 37551#(and (<= ULTIMATE.start_main_~x~4 22) (<= 22 ULTIMATE.start_main_~x~4) (<= 22 ULTIMATE.start_main_~y~4)), 37552#(and (<= 23 ULTIMATE.start_main_~y~4) (<= ULTIMATE.start_main_~x~4 22) (<= 22 ULTIMATE.start_main_~x~4)), 37553#(and (<= ULTIMATE.start_main_~x~4 23) (<= 23 ULTIMATE.start_main_~x~4) (<= 23 ULTIMATE.start_main_~y~4)), 37554#(and (<= ULTIMATE.start_main_~x~4 23) (<= 23 ULTIMATE.start_main_~x~4) (<= 24 ULTIMATE.start_main_~y~4)), 37555#(and (<= 24 ULTIMATE.start_main_~y~4) (<= ULTIMATE.start_main_~x~4 24) (<= 24 ULTIMATE.start_main_~x~4)), 37556#(and (<= 25 ULTIMATE.start_main_~y~4) (<= ULTIMATE.start_main_~x~4 24) (<= 24 ULTIMATE.start_main_~x~4)), 37557#(and (<= 25 ULTIMATE.start_main_~y~4) (<= ULTIMATE.start_main_~x~4 25) (<= 25 ULTIMATE.start_main_~x~4)), 37558#(and (<= ULTIMATE.start_main_~x~4 25) (<= 26 ULTIMATE.start_main_~y~4) (<= 25 ULTIMATE.start_main_~x~4)), 37559#(and (<= ULTIMATE.start_main_~x~4 26) (<= 26 ULTIMATE.start_main_~y~4) (<= 26 ULTIMATE.start_main_~x~4)), 37560#(and (<= ULTIMATE.start_main_~x~4 26) (<= 27 ULTIMATE.start_main_~y~4) (<= 26 ULTIMATE.start_main_~x~4)), 37561#(and (<= ULTIMATE.start_main_~x~4 27) (<= 27 ULTIMATE.start_main_~y~4) (<= 27 ULTIMATE.start_main_~x~4)), 37562#(and (<= ULTIMATE.start_main_~x~4 27) (<= 27 ULTIMATE.start_main_~x~4) (<= 28 ULTIMATE.start_main_~y~4)), 37563#(and (<= ULTIMATE.start_main_~x~4 28) (<= 28 ULTIMATE.start_main_~y~4) (<= 28 ULTIMATE.start_main_~x~4)), 37564#(and (<= ULTIMATE.start_main_~x~4 28) (<= 29 ULTIMATE.start_main_~y~4) (<= 28 ULTIMATE.start_main_~x~4)), 37565#(and (<= 29 ULTIMATE.start_main_~x~4) (<= 29 ULTIMATE.start_main_~y~4) (<= ULTIMATE.start_main_~x~4 29)), 37566#(and (<= 29 ULTIMATE.start_main_~x~4) (<= 30 ULTIMATE.start_main_~y~4) (<= ULTIMATE.start_main_~x~4 29)), 37567#(and (<= ULTIMATE.start_main_~x~4 30) (<= 30 ULTIMATE.start_main_~y~4) (<= 30 ULTIMATE.start_main_~x~4)), 37568#(and (<= ULTIMATE.start_main_~x~4 30) (<= 31 ULTIMATE.start_main_~y~4) (<= 30 ULTIMATE.start_main_~x~4)), 37569#(and (<= ULTIMATE.start_main_~x~4 31) (<= 31 ULTIMATE.start_main_~y~4) (<= 31 ULTIMATE.start_main_~x~4)), 37570#(and (<= ULTIMATE.start_main_~x~4 31) (<= 32 ULTIMATE.start_main_~y~4) (<= 31 ULTIMATE.start_main_~x~4)), 37571#(and (<= ULTIMATE.start_main_~x~4 32) (<= 32 ULTIMATE.start_main_~y~4) (<= 32 ULTIMATE.start_main_~x~4)), 37572#(and (<= ULTIMATE.start_main_~x~4 32) (<= 33 ULTIMATE.start_main_~y~4) (<= 32 ULTIMATE.start_main_~x~4)), 37573#(and (<= ULTIMATE.start_main_~x~4 33) (<= 33 ULTIMATE.start_main_~y~4) (<= 33 ULTIMATE.start_main_~x~4)), 37574#(and (<= ULTIMATE.start_main_~x~4 33) (<= 33 ULTIMATE.start_main_~x~4) (<= 34 ULTIMATE.start_main_~y~4)), 37575#(and (<= 34 ULTIMATE.start_main_~x~4) (<= ULTIMATE.start_main_~x~4 34) (<= 34 ULTIMATE.start_main_~y~4)), 37576#(and (<= 34 ULTIMATE.start_main_~x~4) (<= ULTIMATE.start_main_~x~4 34) (<= 35 ULTIMATE.start_main_~y~4)), 37577#(and (<= ULTIMATE.start_main_~x~4 35) (<= 35 ULTIMATE.start_main_~y~4) (<= 35 ULTIMATE.start_main_~x~4)), 37578#(and (<= ULTIMATE.start_main_~x~4 35) (<= 35 ULTIMATE.start_main_~x~4) (<= 36 ULTIMATE.start_main_~y~4)), 37579#(and (<= 36 ULTIMATE.start_main_~x~4) (<= ULTIMATE.start_main_~x~4 36) (<= 36 ULTIMATE.start_main_~y~4)), 37580#(and (<= 36 ULTIMATE.start_main_~x~4) (<= 37 ULTIMATE.start_main_~y~4) (<= ULTIMATE.start_main_~x~4 36)), 37581#(and (<= 37 ULTIMATE.start_main_~y~4) (<= ULTIMATE.start_main_~x~4 37) (<= 37 ULTIMATE.start_main_~x~4)), 37582#(and (<= ULTIMATE.start_main_~x~4 37) (<= 38 ULTIMATE.start_main_~y~4) (<= 37 ULTIMATE.start_main_~x~4)), 37583#(and (<= 38 ULTIMATE.start_main_~x~4) (<= ULTIMATE.start_main_~x~4 38) (<= 38 ULTIMATE.start_main_~y~4)), 37584#(and (<= 38 ULTIMATE.start_main_~x~4) (<= 39 ULTIMATE.start_main_~y~4) (<= ULTIMATE.start_main_~x~4 38)), 37585#(and (<= 39 ULTIMATE.start_main_~y~4) (<= ULTIMATE.start_main_~x~4 39) (<= 39 ULTIMATE.start_main_~x~4)), 37586#(and (<= ULTIMATE.start_main_~x~4 39) (<= 39 ULTIMATE.start_main_~x~4) (<= 40 ULTIMATE.start_main_~y~4)), 37587#(and (<= ULTIMATE.start_main_~x~4 40) (<= 40 ULTIMATE.start_main_~x~4) (<= 40 ULTIMATE.start_main_~y~4)), 37588#(and (<= ULTIMATE.start_main_~x~4 40) (<= 40 ULTIMATE.start_main_~x~4) (<= 41 ULTIMATE.start_main_~y~4)), 37589#(and (<= ULTIMATE.start_main_~x~4 41) (<= 41 ULTIMATE.start_main_~x~4) (<= 41 ULTIMATE.start_main_~y~4)), 37590#(and (<= ULTIMATE.start_main_~x~4 41) (<= 41 ULTIMATE.start_main_~x~4) (<= 42 ULTIMATE.start_main_~y~4)), 37591#(and (<= 42 ULTIMATE.start_main_~y~4) (<= ULTIMATE.start_main_~x~4 42) (<= 42 ULTIMATE.start_main_~x~4)), 37592#(and (<= 43 ULTIMATE.start_main_~y~4) (<= ULTIMATE.start_main_~x~4 42) (<= 42 ULTIMATE.start_main_~x~4)), 37593#(and (<= 43 ULTIMATE.start_main_~y~4) (<= ULTIMATE.start_main_~x~4 43) (<= 43 ULTIMATE.start_main_~x~4)), 37594#(and (<= ULTIMATE.start_main_~x~4 43) (<= 44 ULTIMATE.start_main_~y~4) (<= 43 ULTIMATE.start_main_~x~4)), 37595#(and (<= 44 ULTIMATE.start_main_~x~4) (<= ULTIMATE.start_main_~x~4 44) (<= 44 ULTIMATE.start_main_~y~4)), 37596#(and (<= 44 ULTIMATE.start_main_~x~4) (<= ULTIMATE.start_main_~x~4 44) (<= 45 ULTIMATE.start_main_~y~4)), 37597#(and (<= 45 ULTIMATE.start_main_~y~4) (<= 45 ULTIMATE.start_main_~x~4) (<= ULTIMATE.start_main_~x~4 45)), 37598#(and (<= 46 ULTIMATE.start_main_~y~4) (<= 45 ULTIMATE.start_main_~x~4) (<= ULTIMATE.start_main_~x~4 45)), 37599#(and (<= ULTIMATE.start_main_~x~4 46) (<= 46 ULTIMATE.start_main_~x~4) (<= 46 ULTIMATE.start_main_~y~4)), 37600#(and (<= ULTIMATE.start_main_~x~4 46) (<= 47 ULTIMATE.start_main_~y~4) (<= 46 ULTIMATE.start_main_~x~4)), 37601#(and (<= 47 ULTIMATE.start_main_~y~4) (<= 47 ULTIMATE.start_main_~x~4) (<= ULTIMATE.start_main_~x~4 47)), 37602#(and (<= 48 ULTIMATE.start_main_~y~4) (<= 47 ULTIMATE.start_main_~x~4) (<= ULTIMATE.start_main_~x~4 47)), 37603#(and (<= 48 ULTIMATE.start_main_~x~4) (<= 48 ULTIMATE.start_main_~y~4) (<= ULTIMATE.start_main_~x~4 48)), 37604#(and (<= 48 ULTIMATE.start_main_~x~4) (<= 49 ULTIMATE.start_main_~y~4) (<= ULTIMATE.start_main_~x~4 48)), 37605#(and (<= 49 ULTIMATE.start_main_~x~4) (<= 49 ULTIMATE.start_main_~y~4) (<= ULTIMATE.start_main_~x~4 49)), 37606#(and (<= 49 ULTIMATE.start_main_~x~4) (<= 50 ULTIMATE.start_main_~y~4)), 37607#(and (<= 50 ULTIMATE.start_main_~x~4) (<= 50 ULTIMATE.start_main_~y~4)), 37608#(and (<= 50 ULTIMATE.start_main_~x~4) (<= 49 ULTIMATE.start_main_~y~4)), 37609#(and (<= 51 ULTIMATE.start_main_~x~4) (<= 49 ULTIMATE.start_main_~y~4)), 37610#(and (<= 51 ULTIMATE.start_main_~x~4) (<= 48 ULTIMATE.start_main_~y~4)), 37611#(and (<= 52 ULTIMATE.start_main_~x~4) (<= 48 ULTIMATE.start_main_~y~4)), 37612#(and (<= 52 ULTIMATE.start_main_~x~4) (<= 47 ULTIMATE.start_main_~y~4)), 37613#(and (<= 47 ULTIMATE.start_main_~y~4) (<= 53 ULTIMATE.start_main_~x~4)), 37614#(and (<= 53 ULTIMATE.start_main_~x~4) (<= 46 ULTIMATE.start_main_~y~4)), 37615#(and (<= 54 ULTIMATE.start_main_~x~4) (<= 46 ULTIMATE.start_main_~y~4)), 37616#(and (<= 45 ULTIMATE.start_main_~y~4) (<= 54 ULTIMATE.start_main_~x~4)), 37617#(and (<= 45 ULTIMATE.start_main_~y~4) (<= 55 ULTIMATE.start_main_~x~4)), 37618#(and (<= 55 ULTIMATE.start_main_~x~4) (<= 44 ULTIMATE.start_main_~y~4)), 37619#(and (<= 56 ULTIMATE.start_main_~x~4) (<= 44 ULTIMATE.start_main_~y~4)), 37620#(and (<= 56 ULTIMATE.start_main_~x~4) (<= 43 ULTIMATE.start_main_~y~4)), 37621#(and (<= 43 ULTIMATE.start_main_~y~4) (<= 57 ULTIMATE.start_main_~x~4)), 37622#(and (<= 42 ULTIMATE.start_main_~y~4) (<= 57 ULTIMATE.start_main_~x~4)), 37623#(and (<= 58 ULTIMATE.start_main_~x~4) (<= 42 ULTIMATE.start_main_~y~4)), 37624#(and (<= 58 ULTIMATE.start_main_~x~4) (<= 41 ULTIMATE.start_main_~y~4)), 37625#(and (<= 41 ULTIMATE.start_main_~y~4) (<= 59 ULTIMATE.start_main_~x~4)), 37626#(and (<= 40 ULTIMATE.start_main_~y~4) (<= 59 ULTIMATE.start_main_~x~4)), 37627#(and (<= 60 ULTIMATE.start_main_~x~4) (<= 40 ULTIMATE.start_main_~y~4)), 37628#(and (<= 39 ULTIMATE.start_main_~y~4) (<= 60 ULTIMATE.start_main_~x~4)), 37629#(and (<= 61 ULTIMATE.start_main_~x~4) (<= 39 ULTIMATE.start_main_~y~4)), 37630#(and (<= 61 ULTIMATE.start_main_~x~4) (<= 38 ULTIMATE.start_main_~y~4)), 37631#(and (<= 38 ULTIMATE.start_main_~y~4) (<= 62 ULTIMATE.start_main_~x~4))] [2018-07-23 13:42:05,066 INFO L134 CoverageAnalysis]: Checked inductivity of 6806 backedges. 0 proven. 6806 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2018-07-23 13:42:05,066 INFO L450 AbstractCegarLoop]: Interpolant automaton has 167 states [2018-07-23 13:42:05,067 INFO L132 InterpolantAutomaton]: Constructing interpolant automaton starting with 167 interpolants. [2018-07-23 13:42:05,068 INFO L133 InterpolantAutomaton]: CoverageRelationStatistics Valid=734, Invalid=26988, Unknown=0, NotChecked=0, Total=27722 [2018-07-23 13:42:05,068 INFO L87 Difference]: Start difference. First operand 169 states and 169 transitions. Second operand 167 states. [2018-07-23 13:42:06,036 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2018-07-23 13:42:06,037 INFO L93 Difference]: Finished difference Result 174 states and 174 transitions. [2018-07-23 13:42:06,037 INFO L142 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 167 states. [2018-07-23 13:42:06,037 INFO L78 Accepts]: Start accepts. Automaton has 167 states. Word has length 168 [2018-07-23 13:42:06,037 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2018-07-23 13:42:06,038 INFO L225 Difference]: With dead ends: 174 [2018-07-23 13:42:06,039 INFO L226 Difference]: Without dead ends: 172 [2018-07-23 13:42:06,040 INFO L575 BasicCegarLoop]: 0 DeclaredPredicates, 168 GetRequests, 1 SyntacticMatches, 1 SemanticMatches, 166 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 8019 ImplicationChecksByTransitivity, 1.0s TimeCoverageRelationStatistics Valid=740, Invalid=27316, Unknown=0, NotChecked=0, Total=28056 [2018-07-23 13:42:06,041 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 172 states. [2018-07-23 13:42:06,066 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 172 to 171. [2018-07-23 13:42:06,067 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 171 states. [2018-07-23 13:42:06,067 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 171 states to 171 states and 171 transitions. [2018-07-23 13:42:06,067 INFO L78 Accepts]: Start accepts. Automaton has 171 states and 171 transitions. Word has length 168 [2018-07-23 13:42:06,067 INFO L84 Accepts]: Finished accepts. word is rejected. [2018-07-23 13:42:06,067 INFO L471 AbstractCegarLoop]: Abstraction has 171 states and 171 transitions. [2018-07-23 13:42:06,068 INFO L472 AbstractCegarLoop]: Interpolant automaton has 167 states. [2018-07-23 13:42:06,068 INFO L276 IsEmpty]: Start isEmpty. Operand 171 states and 171 transitions. [2018-07-23 13:42:06,068 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 171 [2018-07-23 13:42:06,068 INFO L349 BasicCegarLoop]: Found error trace [2018-07-23 13:42:06,069 INFO L357 BasicCegarLoop]: trace histogram [84, 83, 1, 1, 1] [2018-07-23 13:42:06,069 INFO L414 AbstractCegarLoop]: === Iteration 84 === [ULTIMATE.startErr0AssertViolationASSERT]=== [2018-07-23 13:42:06,069 INFO L82 PathProgramCache]: Analyzing trace with hash -290153206, now seen corresponding path program 83 times [2018-07-23 13:42:06,069 INFO L69 tionRefinementEngine]: Using refinement strategy FixedRefinementStrategy [2018-07-23 13:42:06,102 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-07-23 13:42:07,642 INFO L134 CoverageAnalysis]: Checked inductivity of 6972 backedges. 0 proven. 6972 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2018-07-23 13:42:07,642 INFO L309 seRefinementStrategy]: Constructing automaton from 0 perfect and 1 imperfect interpolant sequences. [2018-07-23 13:42:07,642 INFO L324 seRefinementStrategy]: Number of different interpolants: perfect sequences [] imperfect sequences [168] total 168 [2018-07-23 13:42:07,643 INFO L142 lantAutomatonBuilder]: Constructing canonical interpolant automaton, with selfloop in false state [2018-07-23 13:42:07,643 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2018-07-23 13:42:07,643 INFO L185 omatonBuilderFactory]: Interpolants [38400#(and (<= ULTIMATE.start_main_~x~4 17) (<= 17 ULTIMATE.start_main_~y~4) (<= 17 ULTIMATE.start_main_~x~4)), 38401#(and (<= 18 ULTIMATE.start_main_~y~4) (<= ULTIMATE.start_main_~x~4 17) (<= 17 ULTIMATE.start_main_~x~4)), 38402#(and (<= 18 ULTIMATE.start_main_~y~4) (<= 18 ULTIMATE.start_main_~x~4) (<= ULTIMATE.start_main_~x~4 18)), 38403#(and (<= 18 ULTIMATE.start_main_~x~4) (<= ULTIMATE.start_main_~x~4 18) (<= 19 ULTIMATE.start_main_~y~4)), 38404#(and (<= 19 ULTIMATE.start_main_~y~4) (<= 19 ULTIMATE.start_main_~x~4) (<= ULTIMATE.start_main_~x~4 19)), 38405#(and (<= 20 ULTIMATE.start_main_~y~4) (<= 19 ULTIMATE.start_main_~x~4) (<= ULTIMATE.start_main_~x~4 19)), 38406#(and (<= 20 ULTIMATE.start_main_~x~4) (<= 20 ULTIMATE.start_main_~y~4) (<= ULTIMATE.start_main_~x~4 20)), 38407#(and (<= 20 ULTIMATE.start_main_~x~4) (<= 21 ULTIMATE.start_main_~y~4) (<= ULTIMATE.start_main_~x~4 20)), 38408#(and (<= ULTIMATE.start_main_~x~4 21) (<= 21 ULTIMATE.start_main_~y~4) (<= 21 ULTIMATE.start_main_~x~4)), 38409#(and (<= ULTIMATE.start_main_~x~4 21) (<= 21 ULTIMATE.start_main_~x~4) (<= 22 ULTIMATE.start_main_~y~4)), 38410#(and (<= ULTIMATE.start_main_~x~4 22) (<= 22 ULTIMATE.start_main_~x~4) (<= 22 ULTIMATE.start_main_~y~4)), 38411#(and (<= 23 ULTIMATE.start_main_~y~4) (<= ULTIMATE.start_main_~x~4 22) (<= 22 ULTIMATE.start_main_~x~4)), 38412#(and (<= ULTIMATE.start_main_~x~4 23) (<= 23 ULTIMATE.start_main_~x~4) (<= 23 ULTIMATE.start_main_~y~4)), 38413#(and (<= ULTIMATE.start_main_~x~4 23) (<= 23 ULTIMATE.start_main_~x~4) (<= 24 ULTIMATE.start_main_~y~4)), 38414#(and (<= 24 ULTIMATE.start_main_~y~4) (<= ULTIMATE.start_main_~x~4 24) (<= 24 ULTIMATE.start_main_~x~4)), 38415#(and (<= 25 ULTIMATE.start_main_~y~4) (<= ULTIMATE.start_main_~x~4 24) (<= 24 ULTIMATE.start_main_~x~4)), 38416#(and (<= 25 ULTIMATE.start_main_~y~4) (<= ULTIMATE.start_main_~x~4 25) (<= 25 ULTIMATE.start_main_~x~4)), 38417#(and (<= ULTIMATE.start_main_~x~4 25) (<= 26 ULTIMATE.start_main_~y~4) (<= 25 ULTIMATE.start_main_~x~4)), 38418#(and (<= ULTIMATE.start_main_~x~4 26) (<= 26 ULTIMATE.start_main_~y~4) (<= 26 ULTIMATE.start_main_~x~4)), 38419#(and (<= ULTIMATE.start_main_~x~4 26) (<= 27 ULTIMATE.start_main_~y~4) (<= 26 ULTIMATE.start_main_~x~4)), 38420#(and (<= ULTIMATE.start_main_~x~4 27) (<= 27 ULTIMATE.start_main_~y~4) (<= 27 ULTIMATE.start_main_~x~4)), 38421#(and (<= ULTIMATE.start_main_~x~4 27) (<= 27 ULTIMATE.start_main_~x~4) (<= 28 ULTIMATE.start_main_~y~4)), 38422#(and (<= ULTIMATE.start_main_~x~4 28) (<= 28 ULTIMATE.start_main_~y~4) (<= 28 ULTIMATE.start_main_~x~4)), 38423#(and (<= ULTIMATE.start_main_~x~4 28) (<= 29 ULTIMATE.start_main_~y~4) (<= 28 ULTIMATE.start_main_~x~4)), 38424#(and (<= 29 ULTIMATE.start_main_~x~4) (<= 29 ULTIMATE.start_main_~y~4) (<= ULTIMATE.start_main_~x~4 29)), 38425#(and (<= 29 ULTIMATE.start_main_~x~4) (<= 30 ULTIMATE.start_main_~y~4) (<= ULTIMATE.start_main_~x~4 29)), 38426#(and (<= ULTIMATE.start_main_~x~4 30) (<= 30 ULTIMATE.start_main_~y~4) (<= 30 ULTIMATE.start_main_~x~4)), 38427#(and (<= ULTIMATE.start_main_~x~4 30) (<= 31 ULTIMATE.start_main_~y~4) (<= 30 ULTIMATE.start_main_~x~4)), 38428#(and (<= ULTIMATE.start_main_~x~4 31) (<= 31 ULTIMATE.start_main_~y~4) (<= 31 ULTIMATE.start_main_~x~4)), 38429#(and (<= ULTIMATE.start_main_~x~4 31) (<= 32 ULTIMATE.start_main_~y~4) (<= 31 ULTIMATE.start_main_~x~4)), 38430#(and (<= ULTIMATE.start_main_~x~4 32) (<= 32 ULTIMATE.start_main_~y~4) (<= 32 ULTIMATE.start_main_~x~4)), 38431#(and (<= ULTIMATE.start_main_~x~4 32) (<= 33 ULTIMATE.start_main_~y~4) (<= 32 ULTIMATE.start_main_~x~4)), 38432#(and (<= ULTIMATE.start_main_~x~4 33) (<= 33 ULTIMATE.start_main_~y~4) (<= 33 ULTIMATE.start_main_~x~4)), 38433#(and (<= ULTIMATE.start_main_~x~4 33) (<= 33 ULTIMATE.start_main_~x~4) (<= 34 ULTIMATE.start_main_~y~4)), 38434#(and (<= 34 ULTIMATE.start_main_~x~4) (<= ULTIMATE.start_main_~x~4 34) (<= 34 ULTIMATE.start_main_~y~4)), 38435#(and (<= 34 ULTIMATE.start_main_~x~4) (<= ULTIMATE.start_main_~x~4 34) (<= 35 ULTIMATE.start_main_~y~4)), 38436#(and (<= ULTIMATE.start_main_~x~4 35) (<= 35 ULTIMATE.start_main_~y~4) (<= 35 ULTIMATE.start_main_~x~4)), 38437#(and (<= ULTIMATE.start_main_~x~4 35) (<= 35 ULTIMATE.start_main_~x~4) (<= 36 ULTIMATE.start_main_~y~4)), 38438#(and (<= 36 ULTIMATE.start_main_~x~4) (<= ULTIMATE.start_main_~x~4 36) (<= 36 ULTIMATE.start_main_~y~4)), 38439#(and (<= 36 ULTIMATE.start_main_~x~4) (<= 37 ULTIMATE.start_main_~y~4) (<= ULTIMATE.start_main_~x~4 36)), 38440#(and (<= 37 ULTIMATE.start_main_~y~4) (<= ULTIMATE.start_main_~x~4 37) (<= 37 ULTIMATE.start_main_~x~4)), 38441#(and (<= ULTIMATE.start_main_~x~4 37) (<= 38 ULTIMATE.start_main_~y~4) (<= 37 ULTIMATE.start_main_~x~4)), 38442#(and (<= 38 ULTIMATE.start_main_~x~4) (<= ULTIMATE.start_main_~x~4 38) (<= 38 ULTIMATE.start_main_~y~4)), 38443#(and (<= 38 ULTIMATE.start_main_~x~4) (<= 39 ULTIMATE.start_main_~y~4) (<= ULTIMATE.start_main_~x~4 38)), 38444#(and (<= 39 ULTIMATE.start_main_~y~4) (<= ULTIMATE.start_main_~x~4 39) (<= 39 ULTIMATE.start_main_~x~4)), 38445#(and (<= ULTIMATE.start_main_~x~4 39) (<= 39 ULTIMATE.start_main_~x~4) (<= 40 ULTIMATE.start_main_~y~4)), 38446#(and (<= ULTIMATE.start_main_~x~4 40) (<= 40 ULTIMATE.start_main_~x~4) (<= 40 ULTIMATE.start_main_~y~4)), 38447#(and (<= ULTIMATE.start_main_~x~4 40) (<= 40 ULTIMATE.start_main_~x~4) (<= 41 ULTIMATE.start_main_~y~4)), 38448#(and (<= ULTIMATE.start_main_~x~4 41) (<= 41 ULTIMATE.start_main_~x~4) (<= 41 ULTIMATE.start_main_~y~4)), 38449#(and (<= ULTIMATE.start_main_~x~4 41) (<= 41 ULTIMATE.start_main_~x~4) (<= 42 ULTIMATE.start_main_~y~4)), 38450#(and (<= 42 ULTIMATE.start_main_~y~4) (<= ULTIMATE.start_main_~x~4 42) (<= 42 ULTIMATE.start_main_~x~4)), 38451#(and (<= 43 ULTIMATE.start_main_~y~4) (<= ULTIMATE.start_main_~x~4 42) (<= 42 ULTIMATE.start_main_~x~4)), 38452#(and (<= 43 ULTIMATE.start_main_~y~4) (<= ULTIMATE.start_main_~x~4 43) (<= 43 ULTIMATE.start_main_~x~4)), 38453#(and (<= ULTIMATE.start_main_~x~4 43) (<= 44 ULTIMATE.start_main_~y~4) (<= 43 ULTIMATE.start_main_~x~4)), 38454#(and (<= 44 ULTIMATE.start_main_~x~4) (<= ULTIMATE.start_main_~x~4 44) (<= 44 ULTIMATE.start_main_~y~4)), 38455#(and (<= 44 ULTIMATE.start_main_~x~4) (<= ULTIMATE.start_main_~x~4 44) (<= 45 ULTIMATE.start_main_~y~4)), 38456#(and (<= 45 ULTIMATE.start_main_~y~4) (<= 45 ULTIMATE.start_main_~x~4) (<= ULTIMATE.start_main_~x~4 45)), 38457#(and (<= 46 ULTIMATE.start_main_~y~4) (<= 45 ULTIMATE.start_main_~x~4) (<= ULTIMATE.start_main_~x~4 45)), 38458#(and (<= ULTIMATE.start_main_~x~4 46) (<= 46 ULTIMATE.start_main_~x~4) (<= 46 ULTIMATE.start_main_~y~4)), 38459#(and (<= ULTIMATE.start_main_~x~4 46) (<= 47 ULTIMATE.start_main_~y~4) (<= 46 ULTIMATE.start_main_~x~4)), 38460#(and (<= 47 ULTIMATE.start_main_~y~4) (<= 47 ULTIMATE.start_main_~x~4) (<= ULTIMATE.start_main_~x~4 47)), 38461#(and (<= 48 ULTIMATE.start_main_~y~4) (<= 47 ULTIMATE.start_main_~x~4) (<= ULTIMATE.start_main_~x~4 47)), 38462#(and (<= 48 ULTIMATE.start_main_~x~4) (<= 48 ULTIMATE.start_main_~y~4) (<= ULTIMATE.start_main_~x~4 48)), 38463#(and (<= 48 ULTIMATE.start_main_~x~4) (<= 49 ULTIMATE.start_main_~y~4) (<= ULTIMATE.start_main_~x~4 48)), 38464#(and (<= 49 ULTIMATE.start_main_~x~4) (<= 49 ULTIMATE.start_main_~y~4) (<= ULTIMATE.start_main_~x~4 49)), 38465#(and (<= 49 ULTIMATE.start_main_~x~4) (<= 50 ULTIMATE.start_main_~y~4)), 38466#(and (<= 50 ULTIMATE.start_main_~x~4) (<= 50 ULTIMATE.start_main_~y~4)), 38467#(and (<= 50 ULTIMATE.start_main_~x~4) (<= 49 ULTIMATE.start_main_~y~4)), 38468#(and (<= 51 ULTIMATE.start_main_~x~4) (<= 49 ULTIMATE.start_main_~y~4)), 38469#(and (<= 51 ULTIMATE.start_main_~x~4) (<= 48 ULTIMATE.start_main_~y~4)), 38470#(and (<= 52 ULTIMATE.start_main_~x~4) (<= 48 ULTIMATE.start_main_~y~4)), 38471#(and (<= 52 ULTIMATE.start_main_~x~4) (<= 47 ULTIMATE.start_main_~y~4)), 38472#(and (<= 47 ULTIMATE.start_main_~y~4) (<= 53 ULTIMATE.start_main_~x~4)), 38473#(and (<= 53 ULTIMATE.start_main_~x~4) (<= 46 ULTIMATE.start_main_~y~4)), 38474#(and (<= 54 ULTIMATE.start_main_~x~4) (<= 46 ULTIMATE.start_main_~y~4)), 38475#(and (<= 45 ULTIMATE.start_main_~y~4) (<= 54 ULTIMATE.start_main_~x~4)), 38476#(and (<= 45 ULTIMATE.start_main_~y~4) (<= 55 ULTIMATE.start_main_~x~4)), 38477#(and (<= 55 ULTIMATE.start_main_~x~4) (<= 44 ULTIMATE.start_main_~y~4)), 38478#(and (<= 56 ULTIMATE.start_main_~x~4) (<= 44 ULTIMATE.start_main_~y~4)), 38479#(and (<= 56 ULTIMATE.start_main_~x~4) (<= 43 ULTIMATE.start_main_~y~4)), 38480#(and (<= 43 ULTIMATE.start_main_~y~4) (<= 57 ULTIMATE.start_main_~x~4)), 38481#(and (<= 42 ULTIMATE.start_main_~y~4) (<= 57 ULTIMATE.start_main_~x~4)), 38482#(and (<= 58 ULTIMATE.start_main_~x~4) (<= 42 ULTIMATE.start_main_~y~4)), 38483#(and (<= 58 ULTIMATE.start_main_~x~4) (<= 41 ULTIMATE.start_main_~y~4)), 38484#(and (<= 41 ULTIMATE.start_main_~y~4) (<= 59 ULTIMATE.start_main_~x~4)), 38485#(and (<= 40 ULTIMATE.start_main_~y~4) (<= 59 ULTIMATE.start_main_~x~4)), 38486#(and (<= 60 ULTIMATE.start_main_~x~4) (<= 40 ULTIMATE.start_main_~y~4)), 38487#(and (<= 39 ULTIMATE.start_main_~y~4) (<= 60 ULTIMATE.start_main_~x~4)), 38488#(and (<= 61 ULTIMATE.start_main_~x~4) (<= 39 ULTIMATE.start_main_~y~4)), 38489#(and (<= 61 ULTIMATE.start_main_~x~4) (<= 38 ULTIMATE.start_main_~y~4)), 38490#(and (<= 38 ULTIMATE.start_main_~y~4) (<= 62 ULTIMATE.start_main_~x~4)), 38491#(and (<= 37 ULTIMATE.start_main_~y~4) (<= 62 ULTIMATE.start_main_~x~4)), 38492#(and (<= 63 ULTIMATE.start_main_~x~4) (<= 37 ULTIMATE.start_main_~y~4)), 38493#(and (<= 63 ULTIMATE.start_main_~x~4) (<= 36 ULTIMATE.start_main_~y~4)), 38494#(and (<= 64 ULTIMATE.start_main_~x~4) (<= 36 ULTIMATE.start_main_~y~4)), 38495#(and (<= 35 ULTIMATE.start_main_~y~4) (<= 64 ULTIMATE.start_main_~x~4)), 38496#(and (<= 35 ULTIMATE.start_main_~y~4) (<= 65 ULTIMATE.start_main_~x~4)), 38497#(and (<= 34 ULTIMATE.start_main_~y~4) (<= 65 ULTIMATE.start_main_~x~4)), 38498#(and (<= 66 ULTIMATE.start_main_~x~4) (<= 34 ULTIMATE.start_main_~y~4)), 38499#(and (<= 66 ULTIMATE.start_main_~x~4) (<= 33 ULTIMATE.start_main_~y~4)), 38500#(and (<= 67 ULTIMATE.start_main_~x~4) (<= 33 ULTIMATE.start_main_~y~4)), 38501#(and (<= 67 ULTIMATE.start_main_~x~4) (<= 32 ULTIMATE.start_main_~y~4)), 38502#(and (<= 32 ULTIMATE.start_main_~y~4) (<= 68 ULTIMATE.start_main_~x~4)), 38503#(and (<= 31 ULTIMATE.start_main_~y~4) (<= 68 ULTIMATE.start_main_~x~4)), 38504#(and (<= 31 ULTIMATE.start_main_~y~4) (<= 69 ULTIMATE.start_main_~x~4)), 38505#(and (<= 30 ULTIMATE.start_main_~y~4) (<= 69 ULTIMATE.start_main_~x~4)), 38506#(and (<= 70 ULTIMATE.start_main_~x~4) (<= 30 ULTIMATE.start_main_~y~4)), 38507#(and (<= 70 ULTIMATE.start_main_~x~4) (<= 29 ULTIMATE.start_main_~y~4)), 38508#(and (<= 71 ULTIMATE.start_main_~x~4) (<= 29 ULTIMATE.start_main_~y~4)), 38509#(and (<= 71 ULTIMATE.start_main_~x~4) (<= 28 ULTIMATE.start_main_~y~4)), 38510#(and (<= 72 ULTIMATE.start_main_~x~4) (<= 28 ULTIMATE.start_main_~y~4)), 38511#(and (<= 72 ULTIMATE.start_main_~x~4) (<= 27 ULTIMATE.start_main_~y~4)), 38512#(and (<= 27 ULTIMATE.start_main_~y~4) (<= 73 ULTIMATE.start_main_~x~4)), 38513#(and (<= 73 ULTIMATE.start_main_~x~4) (<= 26 ULTIMATE.start_main_~y~4)), 38514#(and (<= 74 ULTIMATE.start_main_~x~4) (<= 26 ULTIMATE.start_main_~y~4)), 38515#(and (<= 74 ULTIMATE.start_main_~x~4) (<= 25 ULTIMATE.start_main_~y~4)), 38516#(and (<= 75 ULTIMATE.start_main_~x~4) (<= 25 ULTIMATE.start_main_~y~4)), 38517#(and (<= 24 ULTIMATE.start_main_~y~4) (<= 75 ULTIMATE.start_main_~x~4)), 38518#(and (<= 24 ULTIMATE.start_main_~y~4) (<= 76 ULTIMATE.start_main_~x~4)), 38519#(and (<= 23 ULTIMATE.start_main_~y~4) (<= 76 ULTIMATE.start_main_~x~4)), 38520#(and (<= 77 ULTIMATE.start_main_~x~4) (<= 23 ULTIMATE.start_main_~y~4)), 38521#(and (<= 77 ULTIMATE.start_main_~x~4) (<= 22 ULTIMATE.start_main_~y~4)), 38522#(and (<= 78 ULTIMATE.start_main_~x~4) (<= 22 ULTIMATE.start_main_~y~4)), 38523#(and (<= 21 ULTIMATE.start_main_~y~4) (<= 78 ULTIMATE.start_main_~x~4)), 38524#(and (<= 79 ULTIMATE.start_main_~x~4) (<= 21 ULTIMATE.start_main_~y~4)), 38525#(and (<= 79 ULTIMATE.start_main_~x~4) (<= 20 ULTIMATE.start_main_~y~4)), 38526#(and (<= 20 ULTIMATE.start_main_~y~4) (<= 80 ULTIMATE.start_main_~x~4)), 38527#(and (<= 19 ULTIMATE.start_main_~y~4) (<= 80 ULTIMATE.start_main_~x~4)), 38528#(and (<= 19 ULTIMATE.start_main_~y~4) (<= 81 ULTIMATE.start_main_~x~4)), 38529#(and (<= 18 ULTIMATE.start_main_~y~4) (<= 81 ULTIMATE.start_main_~x~4)), 38530#(and (<= 18 ULTIMATE.start_main_~y~4) (<= 82 ULTIMATE.start_main_~x~4)), 38531#(<= 17 ULTIMATE.start_main_~y~4), 38532#(<= 1 ULTIMATE.start_main_~y~4), 38364#true, 38365#false, 38366#(and (<= 0 ULTIMATE.start_main_~y~4) (<= ULTIMATE.start_main_~x~4 0) (<= 0 ULTIMATE.start_main_~x~4)), 38367#(and (<= ULTIMATE.start_main_~x~4 0) (<= 0 ULTIMATE.start_main_~x~4) (<= 1 ULTIMATE.start_main_~y~4)), 38368#(and (<= ULTIMATE.start_main_~x~4 1) (<= 1 ULTIMATE.start_main_~y~4) (<= 1 ULTIMATE.start_main_~x~4)), 38369#(and (<= 2 ULTIMATE.start_main_~y~4) (<= ULTIMATE.start_main_~x~4 1) (<= 1 ULTIMATE.start_main_~x~4)), 38370#(and (<= 2 ULTIMATE.start_main_~y~4) (<= 2 ULTIMATE.start_main_~x~4) (<= ULTIMATE.start_main_~x~4 2)), 38371#(and (<= 3 ULTIMATE.start_main_~y~4) (<= 2 ULTIMATE.start_main_~x~4) (<= ULTIMATE.start_main_~x~4 2)), 38372#(and (<= 3 ULTIMATE.start_main_~x~4) (<= 3 ULTIMATE.start_main_~y~4) (<= ULTIMATE.start_main_~x~4 3)), 38373#(and (<= 3 ULTIMATE.start_main_~x~4) (<= 4 ULTIMATE.start_main_~y~4) (<= ULTIMATE.start_main_~x~4 3)), 38374#(and (<= 4 ULTIMATE.start_main_~y~4) (<= ULTIMATE.start_main_~x~4 4) (<= 4 ULTIMATE.start_main_~x~4)), 38375#(and (<= 5 ULTIMATE.start_main_~y~4) (<= ULTIMATE.start_main_~x~4 4) (<= 4 ULTIMATE.start_main_~x~4)), 38376#(and (<= ULTIMATE.start_main_~x~4 5) (<= 5 ULTIMATE.start_main_~y~4) (<= 5 ULTIMATE.start_main_~x~4)), 38377#(and (<= ULTIMATE.start_main_~x~4 5) (<= 6 ULTIMATE.start_main_~y~4) (<= 5 ULTIMATE.start_main_~x~4)), 38378#(and (<= 6 ULTIMATE.start_main_~x~4) (<= 6 ULTIMATE.start_main_~y~4) (<= ULTIMATE.start_main_~x~4 6)), 38379#(and (<= 6 ULTIMATE.start_main_~x~4) (<= 7 ULTIMATE.start_main_~y~4) (<= ULTIMATE.start_main_~x~4 6)), 38380#(and (<= ULTIMATE.start_main_~x~4 7) (<= 7 ULTIMATE.start_main_~y~4) (<= 7 ULTIMATE.start_main_~x~4)), 38381#(and (<= ULTIMATE.start_main_~x~4 7) (<= 7 ULTIMATE.start_main_~x~4) (<= 8 ULTIMATE.start_main_~y~4)), 38382#(and (<= ULTIMATE.start_main_~x~4 8) (<= 8 ULTIMATE.start_main_~y~4) (<= 8 ULTIMATE.start_main_~x~4)), 38383#(and (<= ULTIMATE.start_main_~x~4 8) (<= 8 ULTIMATE.start_main_~x~4) (<= 9 ULTIMATE.start_main_~y~4)), 38384#(and (<= 9 ULTIMATE.start_main_~x~4) (<= ULTIMATE.start_main_~x~4 9) (<= 9 ULTIMATE.start_main_~y~4)), 38385#(and (<= 9 ULTIMATE.start_main_~x~4) (<= 10 ULTIMATE.start_main_~y~4) (<= ULTIMATE.start_main_~x~4 9)), 38386#(and (<= ULTIMATE.start_main_~x~4 10) (<= 10 ULTIMATE.start_main_~y~4) (<= 10 ULTIMATE.start_main_~x~4)), 38387#(and (<= ULTIMATE.start_main_~x~4 10) (<= 11 ULTIMATE.start_main_~y~4) (<= 10 ULTIMATE.start_main_~x~4)), 38388#(and (<= ULTIMATE.start_main_~x~4 11) (<= 11 ULTIMATE.start_main_~x~4) (<= 11 ULTIMATE.start_main_~y~4)), 38389#(and (<= ULTIMATE.start_main_~x~4 11) (<= 11 ULTIMATE.start_main_~x~4) (<= 12 ULTIMATE.start_main_~y~4)), 38390#(and (<= 12 ULTIMATE.start_main_~x~4) (<= 12 ULTIMATE.start_main_~y~4) (<= ULTIMATE.start_main_~x~4 12)), 38391#(and (<= 12 ULTIMATE.start_main_~x~4) (<= 13 ULTIMATE.start_main_~y~4) (<= ULTIMATE.start_main_~x~4 12)), 38392#(and (<= 13 ULTIMATE.start_main_~y~4) (<= ULTIMATE.start_main_~x~4 13) (<= 13 ULTIMATE.start_main_~x~4)), 38393#(and (<= 14 ULTIMATE.start_main_~y~4) (<= ULTIMATE.start_main_~x~4 13) (<= 13 ULTIMATE.start_main_~x~4)), 38394#(and (<= 14 ULTIMATE.start_main_~y~4) (<= 14 ULTIMATE.start_main_~x~4) (<= ULTIMATE.start_main_~x~4 14)), 38395#(and (<= 14 ULTIMATE.start_main_~x~4) (<= ULTIMATE.start_main_~x~4 14) (<= 15 ULTIMATE.start_main_~y~4)), 38396#(and (<= 15 ULTIMATE.start_main_~x~4) (<= 15 ULTIMATE.start_main_~y~4) (<= ULTIMATE.start_main_~x~4 15)), 38397#(and (<= 15 ULTIMATE.start_main_~x~4) (<= 16 ULTIMATE.start_main_~y~4) (<= ULTIMATE.start_main_~x~4 15)), 38398#(and (<= ULTIMATE.start_main_~x~4 16) (<= 16 ULTIMATE.start_main_~x~4) (<= 16 ULTIMATE.start_main_~y~4)), 38399#(and (<= ULTIMATE.start_main_~x~4 16) (<= 16 ULTIMATE.start_main_~x~4) (<= 17 ULTIMATE.start_main_~y~4))] [2018-07-23 13:42:07,644 INFO L134 CoverageAnalysis]: Checked inductivity of 6972 backedges. 0 proven. 6972 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2018-07-23 13:42:07,644 INFO L450 AbstractCegarLoop]: Interpolant automaton has 169 states [2018-07-23 13:42:07,644 INFO L132 InterpolantAutomaton]: Constructing interpolant automaton starting with 169 interpolants. [2018-07-23 13:42:07,645 INFO L133 InterpolantAutomaton]: CoverageRelationStatistics Valid=746, Invalid=27646, Unknown=0, NotChecked=0, Total=28392 [2018-07-23 13:42:07,645 INFO L87 Difference]: Start difference. First operand 171 states and 171 transitions. Second operand 169 states. [2018-07-23 13:42:08,749 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2018-07-23 13:42:08,750 INFO L93 Difference]: Finished difference Result 176 states and 176 transitions. [2018-07-23 13:42:08,750 INFO L142 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 169 states. [2018-07-23 13:42:08,750 INFO L78 Accepts]: Start accepts. Automaton has 169 states. Word has length 170 [2018-07-23 13:42:08,750 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2018-07-23 13:42:08,751 INFO L225 Difference]: With dead ends: 176 [2018-07-23 13:42:08,751 INFO L226 Difference]: Without dead ends: 174 [2018-07-23 13:42:08,752 INFO L575 BasicCegarLoop]: 0 DeclaredPredicates, 170 GetRequests, 1 SyntacticMatches, 1 SemanticMatches, 168 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 8253 ImplicationChecksByTransitivity, 1.2s TimeCoverageRelationStatistics Valid=752, Invalid=27978, Unknown=0, NotChecked=0, Total=28730 [2018-07-23 13:42:08,752 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 174 states. [2018-07-23 13:42:08,771 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 174 to 173. [2018-07-23 13:42:08,771 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 173 states. [2018-07-23 13:42:08,772 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 173 states to 173 states and 173 transitions. [2018-07-23 13:42:08,772 INFO L78 Accepts]: Start accepts. Automaton has 173 states and 173 transitions. Word has length 170 [2018-07-23 13:42:08,772 INFO L84 Accepts]: Finished accepts. word is rejected. [2018-07-23 13:42:08,772 INFO L471 AbstractCegarLoop]: Abstraction has 173 states and 173 transitions. [2018-07-23 13:42:08,772 INFO L472 AbstractCegarLoop]: Interpolant automaton has 169 states. [2018-07-23 13:42:08,773 INFO L276 IsEmpty]: Start isEmpty. Operand 173 states and 173 transitions. [2018-07-23 13:42:08,773 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 173 [2018-07-23 13:42:08,773 INFO L349 BasicCegarLoop]: Found error trace [2018-07-23 13:42:08,774 INFO L357 BasicCegarLoop]: trace histogram [85, 84, 1, 1, 1] [2018-07-23 13:42:08,774 INFO L414 AbstractCegarLoop]: === Iteration 85 === [ULTIMATE.startErr0AssertViolationASSERT]=== [2018-07-23 13:42:08,774 INFO L82 PathProgramCache]: Analyzing trace with hash 335707056, now seen corresponding path program 84 times [2018-07-23 13:42:08,774 INFO L69 tionRefinementEngine]: Using refinement strategy FixedRefinementStrategy [2018-07-23 13:42:08,804 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-07-23 13:42:10,061 INFO L134 CoverageAnalysis]: Checked inductivity of 7140 backedges. 0 proven. 7140 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2018-07-23 13:42:10,061 INFO L309 seRefinementStrategy]: Constructing automaton from 0 perfect and 1 imperfect interpolant sequences. [2018-07-23 13:42:10,061 INFO L324 seRefinementStrategy]: Number of different interpolants: perfect sequences [] imperfect sequences [170] total 170 [2018-07-23 13:42:10,062 INFO L142 lantAutomatonBuilder]: Constructing canonical interpolant automaton, with selfloop in false state [2018-07-23 13:42:10,062 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2018-07-23 13:42:10,062 INFO L185 omatonBuilderFactory]: Interpolants [39233#true, 39234#false, 39235#(and (<= 0 ULTIMATE.start_main_~y~4) (<= ULTIMATE.start_main_~x~4 0) (<= 0 ULTIMATE.start_main_~x~4)), 39236#(and (<= ULTIMATE.start_main_~x~4 0) (<= 0 ULTIMATE.start_main_~x~4) (<= 1 ULTIMATE.start_main_~y~4)), 39237#(and (<= ULTIMATE.start_main_~x~4 1) (<= 1 ULTIMATE.start_main_~y~4) (<= 1 ULTIMATE.start_main_~x~4)), 39238#(and (<= 2 ULTIMATE.start_main_~y~4) (<= ULTIMATE.start_main_~x~4 1) (<= 1 ULTIMATE.start_main_~x~4)), 39239#(and (<= 2 ULTIMATE.start_main_~y~4) (<= 2 ULTIMATE.start_main_~x~4) (<= ULTIMATE.start_main_~x~4 2)), 39240#(and (<= 3 ULTIMATE.start_main_~y~4) (<= 2 ULTIMATE.start_main_~x~4) (<= ULTIMATE.start_main_~x~4 2)), 39241#(and (<= 3 ULTIMATE.start_main_~x~4) (<= 3 ULTIMATE.start_main_~y~4) (<= ULTIMATE.start_main_~x~4 3)), 39242#(and (<= 3 ULTIMATE.start_main_~x~4) (<= 4 ULTIMATE.start_main_~y~4) (<= ULTIMATE.start_main_~x~4 3)), 39243#(and (<= 4 ULTIMATE.start_main_~y~4) (<= ULTIMATE.start_main_~x~4 4) (<= 4 ULTIMATE.start_main_~x~4)), 39244#(and (<= 5 ULTIMATE.start_main_~y~4) (<= ULTIMATE.start_main_~x~4 4) (<= 4 ULTIMATE.start_main_~x~4)), 39245#(and (<= ULTIMATE.start_main_~x~4 5) (<= 5 ULTIMATE.start_main_~y~4) (<= 5 ULTIMATE.start_main_~x~4)), 39246#(and (<= ULTIMATE.start_main_~x~4 5) (<= 6 ULTIMATE.start_main_~y~4) (<= 5 ULTIMATE.start_main_~x~4)), 39247#(and (<= 6 ULTIMATE.start_main_~x~4) (<= 6 ULTIMATE.start_main_~y~4) (<= ULTIMATE.start_main_~x~4 6)), 39248#(and (<= 6 ULTIMATE.start_main_~x~4) (<= 7 ULTIMATE.start_main_~y~4) (<= ULTIMATE.start_main_~x~4 6)), 39249#(and (<= ULTIMATE.start_main_~x~4 7) (<= 7 ULTIMATE.start_main_~y~4) (<= 7 ULTIMATE.start_main_~x~4)), 39250#(and (<= ULTIMATE.start_main_~x~4 7) (<= 7 ULTIMATE.start_main_~x~4) (<= 8 ULTIMATE.start_main_~y~4)), 39251#(and (<= ULTIMATE.start_main_~x~4 8) (<= 8 ULTIMATE.start_main_~y~4) (<= 8 ULTIMATE.start_main_~x~4)), 39252#(and (<= ULTIMATE.start_main_~x~4 8) (<= 8 ULTIMATE.start_main_~x~4) (<= 9 ULTIMATE.start_main_~y~4)), 39253#(and (<= 9 ULTIMATE.start_main_~x~4) (<= ULTIMATE.start_main_~x~4 9) (<= 9 ULTIMATE.start_main_~y~4)), 39254#(and (<= 9 ULTIMATE.start_main_~x~4) (<= 10 ULTIMATE.start_main_~y~4) (<= ULTIMATE.start_main_~x~4 9)), 39255#(and (<= ULTIMATE.start_main_~x~4 10) (<= 10 ULTIMATE.start_main_~y~4) (<= 10 ULTIMATE.start_main_~x~4)), 39256#(and (<= ULTIMATE.start_main_~x~4 10) (<= 11 ULTIMATE.start_main_~y~4) (<= 10 ULTIMATE.start_main_~x~4)), 39257#(and (<= ULTIMATE.start_main_~x~4 11) (<= 11 ULTIMATE.start_main_~x~4) (<= 11 ULTIMATE.start_main_~y~4)), 39258#(and (<= ULTIMATE.start_main_~x~4 11) (<= 11 ULTIMATE.start_main_~x~4) (<= 12 ULTIMATE.start_main_~y~4)), 39259#(and (<= 12 ULTIMATE.start_main_~x~4) (<= 12 ULTIMATE.start_main_~y~4) (<= ULTIMATE.start_main_~x~4 12)), 39260#(and (<= 12 ULTIMATE.start_main_~x~4) (<= 13 ULTIMATE.start_main_~y~4) (<= ULTIMATE.start_main_~x~4 12)), 39261#(and (<= 13 ULTIMATE.start_main_~y~4) (<= ULTIMATE.start_main_~x~4 13) (<= 13 ULTIMATE.start_main_~x~4)), 39262#(and (<= 14 ULTIMATE.start_main_~y~4) (<= ULTIMATE.start_main_~x~4 13) (<= 13 ULTIMATE.start_main_~x~4)), 39263#(and (<= 14 ULTIMATE.start_main_~y~4) (<= 14 ULTIMATE.start_main_~x~4) (<= ULTIMATE.start_main_~x~4 14)), 39264#(and (<= 14 ULTIMATE.start_main_~x~4) (<= ULTIMATE.start_main_~x~4 14) (<= 15 ULTIMATE.start_main_~y~4)), 39265#(and (<= 15 ULTIMATE.start_main_~x~4) (<= 15 ULTIMATE.start_main_~y~4) (<= ULTIMATE.start_main_~x~4 15)), 39266#(and (<= 15 ULTIMATE.start_main_~x~4) (<= 16 ULTIMATE.start_main_~y~4) (<= ULTIMATE.start_main_~x~4 15)), 39267#(and (<= ULTIMATE.start_main_~x~4 16) (<= 16 ULTIMATE.start_main_~x~4) (<= 16 ULTIMATE.start_main_~y~4)), 39268#(and (<= ULTIMATE.start_main_~x~4 16) (<= 16 ULTIMATE.start_main_~x~4) (<= 17 ULTIMATE.start_main_~y~4)), 39269#(and (<= ULTIMATE.start_main_~x~4 17) (<= 17 ULTIMATE.start_main_~y~4) (<= 17 ULTIMATE.start_main_~x~4)), 39270#(and (<= 18 ULTIMATE.start_main_~y~4) (<= ULTIMATE.start_main_~x~4 17) (<= 17 ULTIMATE.start_main_~x~4)), 39271#(and (<= 18 ULTIMATE.start_main_~y~4) (<= 18 ULTIMATE.start_main_~x~4) (<= ULTIMATE.start_main_~x~4 18)), 39272#(and (<= 18 ULTIMATE.start_main_~x~4) (<= ULTIMATE.start_main_~x~4 18) (<= 19 ULTIMATE.start_main_~y~4)), 39273#(and (<= 19 ULTIMATE.start_main_~y~4) (<= 19 ULTIMATE.start_main_~x~4) (<= ULTIMATE.start_main_~x~4 19)), 39274#(and (<= 20 ULTIMATE.start_main_~y~4) (<= 19 ULTIMATE.start_main_~x~4) (<= ULTIMATE.start_main_~x~4 19)), 39275#(and (<= 20 ULTIMATE.start_main_~x~4) (<= 20 ULTIMATE.start_main_~y~4) (<= ULTIMATE.start_main_~x~4 20)), 39276#(and (<= 20 ULTIMATE.start_main_~x~4) (<= 21 ULTIMATE.start_main_~y~4) (<= ULTIMATE.start_main_~x~4 20)), 39277#(and (<= ULTIMATE.start_main_~x~4 21) (<= 21 ULTIMATE.start_main_~y~4) (<= 21 ULTIMATE.start_main_~x~4)), 39278#(and (<= ULTIMATE.start_main_~x~4 21) (<= 21 ULTIMATE.start_main_~x~4) (<= 22 ULTIMATE.start_main_~y~4)), 39279#(and (<= ULTIMATE.start_main_~x~4 22) (<= 22 ULTIMATE.start_main_~x~4) (<= 22 ULTIMATE.start_main_~y~4)), 39280#(and (<= 23 ULTIMATE.start_main_~y~4) (<= ULTIMATE.start_main_~x~4 22) (<= 22 ULTIMATE.start_main_~x~4)), 39281#(and (<= ULTIMATE.start_main_~x~4 23) (<= 23 ULTIMATE.start_main_~x~4) (<= 23 ULTIMATE.start_main_~y~4)), 39282#(and (<= ULTIMATE.start_main_~x~4 23) (<= 23 ULTIMATE.start_main_~x~4) (<= 24 ULTIMATE.start_main_~y~4)), 39283#(and (<= 24 ULTIMATE.start_main_~y~4) (<= ULTIMATE.start_main_~x~4 24) (<= 24 ULTIMATE.start_main_~x~4)), 39284#(and (<= 25 ULTIMATE.start_main_~y~4) (<= ULTIMATE.start_main_~x~4 24) (<= 24 ULTIMATE.start_main_~x~4)), 39285#(and (<= 25 ULTIMATE.start_main_~y~4) (<= ULTIMATE.start_main_~x~4 25) (<= 25 ULTIMATE.start_main_~x~4)), 39286#(and (<= ULTIMATE.start_main_~x~4 25) (<= 26 ULTIMATE.start_main_~y~4) (<= 25 ULTIMATE.start_main_~x~4)), 39287#(and (<= ULTIMATE.start_main_~x~4 26) (<= 26 ULTIMATE.start_main_~y~4) (<= 26 ULTIMATE.start_main_~x~4)), 39288#(and (<= ULTIMATE.start_main_~x~4 26) (<= 27 ULTIMATE.start_main_~y~4) (<= 26 ULTIMATE.start_main_~x~4)), 39289#(and (<= ULTIMATE.start_main_~x~4 27) (<= 27 ULTIMATE.start_main_~y~4) (<= 27 ULTIMATE.start_main_~x~4)), 39290#(and (<= ULTIMATE.start_main_~x~4 27) (<= 27 ULTIMATE.start_main_~x~4) (<= 28 ULTIMATE.start_main_~y~4)), 39291#(and (<= ULTIMATE.start_main_~x~4 28) (<= 28 ULTIMATE.start_main_~y~4) (<= 28 ULTIMATE.start_main_~x~4)), 39292#(and (<= ULTIMATE.start_main_~x~4 28) (<= 29 ULTIMATE.start_main_~y~4) (<= 28 ULTIMATE.start_main_~x~4)), 39293#(and (<= 29 ULTIMATE.start_main_~x~4) (<= 29 ULTIMATE.start_main_~y~4) (<= ULTIMATE.start_main_~x~4 29)), 39294#(and (<= 29 ULTIMATE.start_main_~x~4) (<= 30 ULTIMATE.start_main_~y~4) (<= ULTIMATE.start_main_~x~4 29)), 39295#(and (<= ULTIMATE.start_main_~x~4 30) (<= 30 ULTIMATE.start_main_~y~4) (<= 30 ULTIMATE.start_main_~x~4)), 39296#(and (<= ULTIMATE.start_main_~x~4 30) (<= 31 ULTIMATE.start_main_~y~4) (<= 30 ULTIMATE.start_main_~x~4)), 39297#(and (<= ULTIMATE.start_main_~x~4 31) (<= 31 ULTIMATE.start_main_~y~4) (<= 31 ULTIMATE.start_main_~x~4)), 39298#(and (<= ULTIMATE.start_main_~x~4 31) (<= 32 ULTIMATE.start_main_~y~4) (<= 31 ULTIMATE.start_main_~x~4)), 39299#(and (<= ULTIMATE.start_main_~x~4 32) (<= 32 ULTIMATE.start_main_~y~4) (<= 32 ULTIMATE.start_main_~x~4)), 39300#(and (<= ULTIMATE.start_main_~x~4 32) (<= 33 ULTIMATE.start_main_~y~4) (<= 32 ULTIMATE.start_main_~x~4)), 39301#(and (<= ULTIMATE.start_main_~x~4 33) (<= 33 ULTIMATE.start_main_~y~4) (<= 33 ULTIMATE.start_main_~x~4)), 39302#(and (<= ULTIMATE.start_main_~x~4 33) (<= 33 ULTIMATE.start_main_~x~4) (<= 34 ULTIMATE.start_main_~y~4)), 39303#(and (<= 34 ULTIMATE.start_main_~x~4) (<= ULTIMATE.start_main_~x~4 34) (<= 34 ULTIMATE.start_main_~y~4)), 39304#(and (<= 34 ULTIMATE.start_main_~x~4) (<= ULTIMATE.start_main_~x~4 34) (<= 35 ULTIMATE.start_main_~y~4)), 39305#(and (<= ULTIMATE.start_main_~x~4 35) (<= 35 ULTIMATE.start_main_~y~4) (<= 35 ULTIMATE.start_main_~x~4)), 39306#(and (<= ULTIMATE.start_main_~x~4 35) (<= 35 ULTIMATE.start_main_~x~4) (<= 36 ULTIMATE.start_main_~y~4)), 39307#(and (<= 36 ULTIMATE.start_main_~x~4) (<= ULTIMATE.start_main_~x~4 36) (<= 36 ULTIMATE.start_main_~y~4)), 39308#(and (<= 36 ULTIMATE.start_main_~x~4) (<= 37 ULTIMATE.start_main_~y~4) (<= ULTIMATE.start_main_~x~4 36)), 39309#(and (<= 37 ULTIMATE.start_main_~y~4) (<= ULTIMATE.start_main_~x~4 37) (<= 37 ULTIMATE.start_main_~x~4)), 39310#(and (<= ULTIMATE.start_main_~x~4 37) (<= 38 ULTIMATE.start_main_~y~4) (<= 37 ULTIMATE.start_main_~x~4)), 39311#(and (<= 38 ULTIMATE.start_main_~x~4) (<= ULTIMATE.start_main_~x~4 38) (<= 38 ULTIMATE.start_main_~y~4)), 39312#(and (<= 38 ULTIMATE.start_main_~x~4) (<= 39 ULTIMATE.start_main_~y~4) (<= ULTIMATE.start_main_~x~4 38)), 39313#(and (<= 39 ULTIMATE.start_main_~y~4) (<= ULTIMATE.start_main_~x~4 39) (<= 39 ULTIMATE.start_main_~x~4)), 39314#(and (<= ULTIMATE.start_main_~x~4 39) (<= 39 ULTIMATE.start_main_~x~4) (<= 40 ULTIMATE.start_main_~y~4)), 39315#(and (<= ULTIMATE.start_main_~x~4 40) (<= 40 ULTIMATE.start_main_~x~4) (<= 40 ULTIMATE.start_main_~y~4)), 39316#(and (<= ULTIMATE.start_main_~x~4 40) (<= 40 ULTIMATE.start_main_~x~4) (<= 41 ULTIMATE.start_main_~y~4)), 39317#(and (<= ULTIMATE.start_main_~x~4 41) (<= 41 ULTIMATE.start_main_~x~4) (<= 41 ULTIMATE.start_main_~y~4)), 39318#(and (<= ULTIMATE.start_main_~x~4 41) (<= 41 ULTIMATE.start_main_~x~4) (<= 42 ULTIMATE.start_main_~y~4)), 39319#(and (<= 42 ULTIMATE.start_main_~y~4) (<= ULTIMATE.start_main_~x~4 42) (<= 42 ULTIMATE.start_main_~x~4)), 39320#(and (<= 43 ULTIMATE.start_main_~y~4) (<= ULTIMATE.start_main_~x~4 42) (<= 42 ULTIMATE.start_main_~x~4)), 39321#(and (<= 43 ULTIMATE.start_main_~y~4) (<= ULTIMATE.start_main_~x~4 43) (<= 43 ULTIMATE.start_main_~x~4)), 39322#(and (<= ULTIMATE.start_main_~x~4 43) (<= 44 ULTIMATE.start_main_~y~4) (<= 43 ULTIMATE.start_main_~x~4)), 39323#(and (<= 44 ULTIMATE.start_main_~x~4) (<= ULTIMATE.start_main_~x~4 44) (<= 44 ULTIMATE.start_main_~y~4)), 39324#(and (<= 44 ULTIMATE.start_main_~x~4) (<= ULTIMATE.start_main_~x~4 44) (<= 45 ULTIMATE.start_main_~y~4)), 39325#(and (<= 45 ULTIMATE.start_main_~y~4) (<= 45 ULTIMATE.start_main_~x~4) (<= ULTIMATE.start_main_~x~4 45)), 39326#(and (<= 46 ULTIMATE.start_main_~y~4) (<= 45 ULTIMATE.start_main_~x~4) (<= ULTIMATE.start_main_~x~4 45)), 39327#(and (<= ULTIMATE.start_main_~x~4 46) (<= 46 ULTIMATE.start_main_~x~4) (<= 46 ULTIMATE.start_main_~y~4)), 39328#(and (<= ULTIMATE.start_main_~x~4 46) (<= 47 ULTIMATE.start_main_~y~4) (<= 46 ULTIMATE.start_main_~x~4)), 39329#(and (<= 47 ULTIMATE.start_main_~y~4) (<= 47 ULTIMATE.start_main_~x~4) (<= ULTIMATE.start_main_~x~4 47)), 39330#(and (<= 48 ULTIMATE.start_main_~y~4) (<= 47 ULTIMATE.start_main_~x~4) (<= ULTIMATE.start_main_~x~4 47)), 39331#(and (<= 48 ULTIMATE.start_main_~x~4) (<= 48 ULTIMATE.start_main_~y~4) (<= ULTIMATE.start_main_~x~4 48)), 39332#(and (<= 48 ULTIMATE.start_main_~x~4) (<= 49 ULTIMATE.start_main_~y~4) (<= ULTIMATE.start_main_~x~4 48)), 39333#(and (<= 49 ULTIMATE.start_main_~x~4) (<= 49 ULTIMATE.start_main_~y~4) (<= ULTIMATE.start_main_~x~4 49)), 39334#(and (<= 49 ULTIMATE.start_main_~x~4) (<= 50 ULTIMATE.start_main_~y~4)), 39335#(and (<= 50 ULTIMATE.start_main_~x~4) (<= 50 ULTIMATE.start_main_~y~4)), 39336#(and (<= 50 ULTIMATE.start_main_~x~4) (<= 49 ULTIMATE.start_main_~y~4)), 39337#(and (<= 51 ULTIMATE.start_main_~x~4) (<= 49 ULTIMATE.start_main_~y~4)), 39338#(and (<= 51 ULTIMATE.start_main_~x~4) (<= 48 ULTIMATE.start_main_~y~4)), 39339#(and (<= 52 ULTIMATE.start_main_~x~4) (<= 48 ULTIMATE.start_main_~y~4)), 39340#(and (<= 52 ULTIMATE.start_main_~x~4) (<= 47 ULTIMATE.start_main_~y~4)), 39341#(and (<= 47 ULTIMATE.start_main_~y~4) (<= 53 ULTIMATE.start_main_~x~4)), 39342#(and (<= 53 ULTIMATE.start_main_~x~4) (<= 46 ULTIMATE.start_main_~y~4)), 39343#(and (<= 54 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ULTIMATE.start_main_~x~4) (<= 33 ULTIMATE.start_main_~y~4)), 39369#(and (<= 67 ULTIMATE.start_main_~x~4) (<= 33 ULTIMATE.start_main_~y~4)), 39370#(and (<= 67 ULTIMATE.start_main_~x~4) (<= 32 ULTIMATE.start_main_~y~4)), 39371#(and (<= 32 ULTIMATE.start_main_~y~4) (<= 68 ULTIMATE.start_main_~x~4)), 39372#(and (<= 31 ULTIMATE.start_main_~y~4) (<= 68 ULTIMATE.start_main_~x~4)), 39373#(and (<= 31 ULTIMATE.start_main_~y~4) (<= 69 ULTIMATE.start_main_~x~4)), 39374#(and (<= 30 ULTIMATE.start_main_~y~4) (<= 69 ULTIMATE.start_main_~x~4)), 39375#(and (<= 70 ULTIMATE.start_main_~x~4) (<= 30 ULTIMATE.start_main_~y~4)), 39376#(and (<= 70 ULTIMATE.start_main_~x~4) (<= 29 ULTIMATE.start_main_~y~4)), 39377#(and (<= 71 ULTIMATE.start_main_~x~4) (<= 29 ULTIMATE.start_main_~y~4)), 39378#(and (<= 71 ULTIMATE.start_main_~x~4) (<= 28 ULTIMATE.start_main_~y~4)), 39379#(and (<= 72 ULTIMATE.start_main_~x~4) (<= 28 ULTIMATE.start_main_~y~4)), 39380#(and (<= 72 ULTIMATE.start_main_~x~4) (<= 27 ULTIMATE.start_main_~y~4)), 39381#(and (<= 27 ULTIMATE.start_main_~y~4) (<= 73 ULTIMATE.start_main_~x~4)), 39382#(and (<= 73 ULTIMATE.start_main_~x~4) (<= 26 ULTIMATE.start_main_~y~4)), 39383#(and (<= 74 ULTIMATE.start_main_~x~4) (<= 26 ULTIMATE.start_main_~y~4)), 39384#(and (<= 74 ULTIMATE.start_main_~x~4) (<= 25 ULTIMATE.start_main_~y~4)), 39385#(and (<= 75 ULTIMATE.start_main_~x~4) (<= 25 ULTIMATE.start_main_~y~4)), 39386#(and (<= 24 ULTIMATE.start_main_~y~4) (<= 75 ULTIMATE.start_main_~x~4)), 39387#(and (<= 24 ULTIMATE.start_main_~y~4) (<= 76 ULTIMATE.start_main_~x~4)), 39388#(and (<= 23 ULTIMATE.start_main_~y~4) (<= 76 ULTIMATE.start_main_~x~4)), 39389#(and (<= 77 ULTIMATE.start_main_~x~4) (<= 23 ULTIMATE.start_main_~y~4)), 39390#(and (<= 77 ULTIMATE.start_main_~x~4) (<= 22 ULTIMATE.start_main_~y~4)), 39391#(and (<= 78 ULTIMATE.start_main_~x~4) (<= 22 ULTIMATE.start_main_~y~4)), 39392#(and (<= 21 ULTIMATE.start_main_~y~4) (<= 78 ULTIMATE.start_main_~x~4)), 39393#(and (<= 79 ULTIMATE.start_main_~x~4) (<= 21 ULTIMATE.start_main_~y~4)), 39394#(and (<= 79 ULTIMATE.start_main_~x~4) (<= 20 ULTIMATE.start_main_~y~4)), 39395#(and (<= 20 ULTIMATE.start_main_~y~4) (<= 80 ULTIMATE.start_main_~x~4)), 39396#(and (<= 19 ULTIMATE.start_main_~y~4) (<= 80 ULTIMATE.start_main_~x~4)), 39397#(and (<= 19 ULTIMATE.start_main_~y~4) (<= 81 ULTIMATE.start_main_~x~4)), 39398#(and (<= 18 ULTIMATE.start_main_~y~4) (<= 81 ULTIMATE.start_main_~x~4)), 39399#(and (<= 18 ULTIMATE.start_main_~y~4) (<= 82 ULTIMATE.start_main_~x~4)), 39400#(and (<= 82 ULTIMATE.start_main_~x~4) (<= 17 ULTIMATE.start_main_~y~4)), 39401#(and (<= 83 ULTIMATE.start_main_~x~4) (<= 17 ULTIMATE.start_main_~y~4)), 39402#(<= 16 ULTIMATE.start_main_~y~4), 39403#(<= 1 ULTIMATE.start_main_~y~4)] [2018-07-23 13:42:10,063 INFO L134 CoverageAnalysis]: Checked inductivity of 7140 backedges. 0 proven. 7140 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2018-07-23 13:42:10,063 INFO L450 AbstractCegarLoop]: Interpolant automaton has 171 states [2018-07-23 13:42:10,064 INFO L132 InterpolantAutomaton]: Constructing interpolant automaton starting with 171 interpolants. [2018-07-23 13:42:10,065 INFO L133 InterpolantAutomaton]: CoverageRelationStatistics Valid=758, Invalid=28312, Unknown=0, NotChecked=0, Total=29070 [2018-07-23 13:42:10,066 INFO L87 Difference]: Start difference. First operand 173 states and 173 transitions. Second operand 171 states. [2018-07-23 13:42:11,195 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2018-07-23 13:42:11,195 INFO L93 Difference]: Finished difference Result 178 states and 178 transitions. [2018-07-23 13:42:11,196 INFO L142 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 171 states. [2018-07-23 13:42:11,196 INFO L78 Accepts]: Start accepts. Automaton has 171 states. Word has length 172 [2018-07-23 13:42:11,196 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2018-07-23 13:42:11,196 INFO L225 Difference]: With dead ends: 178 [2018-07-23 13:42:11,197 INFO L226 Difference]: Without dead ends: 176 [2018-07-23 13:42:11,198 INFO L575 BasicCegarLoop]: 0 DeclaredPredicates, 172 GetRequests, 1 SyntacticMatches, 1 SemanticMatches, 170 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 8491 ImplicationChecksByTransitivity, 1.0s TimeCoverageRelationStatistics Valid=764, Invalid=28648, Unknown=0, NotChecked=0, Total=29412 [2018-07-23 13:42:11,198 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 176 states. [2018-07-23 13:42:11,226 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 176 to 175. [2018-07-23 13:42:11,226 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 175 states. [2018-07-23 13:42:11,226 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 175 states to 175 states and 175 transitions. [2018-07-23 13:42:11,227 INFO L78 Accepts]: Start accepts. Automaton has 175 states and 175 transitions. Word has length 172 [2018-07-23 13:42:11,227 INFO L84 Accepts]: Finished accepts. word is rejected. [2018-07-23 13:42:11,227 INFO L471 AbstractCegarLoop]: Abstraction has 175 states and 175 transitions. [2018-07-23 13:42:11,227 INFO L472 AbstractCegarLoop]: Interpolant automaton has 171 states. [2018-07-23 13:42:11,227 INFO L276 IsEmpty]: Start isEmpty. Operand 175 states and 175 transitions. [2018-07-23 13:42:11,228 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 175 [2018-07-23 13:42:11,228 INFO L349 BasicCegarLoop]: Found error trace [2018-07-23 13:42:11,228 INFO L357 BasicCegarLoop]: trace histogram [86, 85, 1, 1, 1] [2018-07-23 13:42:11,228 INFO L414 AbstractCegarLoop]: === Iteration 86 === [ULTIMATE.startErr0AssertViolationASSERT]=== [2018-07-23 13:42:11,229 INFO L82 PathProgramCache]: Analyzing trace with hash 491997398, now seen corresponding path program 85 times [2018-07-23 13:42:11,229 INFO L69 tionRefinementEngine]: Using refinement strategy FixedRefinementStrategy [2018-07-23 13:42:11,259 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-07-23 13:42:12,679 INFO L134 CoverageAnalysis]: Checked inductivity of 7310 backedges. 0 proven. 7310 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2018-07-23 13:42:12,680 INFO L309 seRefinementStrategy]: Constructing automaton from 0 perfect and 1 imperfect interpolant sequences. [2018-07-23 13:42:12,680 INFO L324 seRefinementStrategy]: Number of different interpolants: perfect sequences [] imperfect sequences [172] total 172 [2018-07-23 13:42:12,680 INFO L142 lantAutomatonBuilder]: Constructing canonical interpolant automaton, with selfloop in false state [2018-07-23 13:42:12,680 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 13:42:12,682 INFO L185 omatonBuilderFactory]: Interpolants [40192#(and (<= 39 ULTIMATE.start_main_~y~4) (<= ULTIMATE.start_main_~x~4 39) (<= 39 ULTIMATE.start_main_~x~4)), 40193#(and (<= ULTIMATE.start_main_~x~4 39) (<= 39 ULTIMATE.start_main_~x~4) (<= 40 ULTIMATE.start_main_~y~4)), 40194#(and (<= ULTIMATE.start_main_~x~4 40) (<= 40 ULTIMATE.start_main_~x~4) (<= 40 ULTIMATE.start_main_~y~4)), 40195#(and (<= ULTIMATE.start_main_~x~4 40) (<= 40 ULTIMATE.start_main_~x~4) (<= 41 ULTIMATE.start_main_~y~4)), 40196#(and (<= ULTIMATE.start_main_~x~4 41) (<= 41 ULTIMATE.start_main_~x~4) (<= 41 ULTIMATE.start_main_~y~4)), 40197#(and (<= ULTIMATE.start_main_~x~4 41) (<= 41 ULTIMATE.start_main_~x~4) (<= 42 ULTIMATE.start_main_~y~4)), 40198#(and (<= 42 ULTIMATE.start_main_~y~4) (<= ULTIMATE.start_main_~x~4 42) (<= 42 ULTIMATE.start_main_~x~4)), 40199#(and (<= 43 ULTIMATE.start_main_~y~4) (<= ULTIMATE.start_main_~x~4 42) (<= 42 ULTIMATE.start_main_~x~4)), 40200#(and (<= 43 ULTIMATE.start_main_~y~4) (<= ULTIMATE.start_main_~x~4 43) (<= 43 ULTIMATE.start_main_~x~4)), 40201#(and (<= ULTIMATE.start_main_~x~4 43) (<= 44 ULTIMATE.start_main_~y~4) (<= 43 ULTIMATE.start_main_~x~4)), 40202#(and (<= 44 ULTIMATE.start_main_~x~4) (<= ULTIMATE.start_main_~x~4 44) (<= 44 ULTIMATE.start_main_~y~4)), 40203#(and (<= 44 ULTIMATE.start_main_~x~4) (<= ULTIMATE.start_main_~x~4 44) (<= 45 ULTIMATE.start_main_~y~4)), 40204#(and (<= 45 ULTIMATE.start_main_~y~4) (<= 45 ULTIMATE.start_main_~x~4) (<= ULTIMATE.start_main_~x~4 45)), 40205#(and (<= 46 ULTIMATE.start_main_~y~4) (<= 45 ULTIMATE.start_main_~x~4) (<= ULTIMATE.start_main_~x~4 45)), 40206#(and (<= ULTIMATE.start_main_~x~4 46) (<= 46 ULTIMATE.start_main_~x~4) (<= 46 ULTIMATE.start_main_~y~4)), 40207#(and (<= ULTIMATE.start_main_~x~4 46) (<= 47 ULTIMATE.start_main_~y~4) (<= 46 ULTIMATE.start_main_~x~4)), 40208#(and (<= 47 ULTIMATE.start_main_~y~4) (<= 47 ULTIMATE.start_main_~x~4) (<= ULTIMATE.start_main_~x~4 47)), 40209#(and (<= 48 ULTIMATE.start_main_~y~4) (<= 47 ULTIMATE.start_main_~x~4) (<= ULTIMATE.start_main_~x~4 47)), 40210#(and (<= 48 ULTIMATE.start_main_~x~4) (<= 48 ULTIMATE.start_main_~y~4) (<= ULTIMATE.start_main_~x~4 48)), 40211#(and (<= 48 ULTIMATE.start_main_~x~4) (<= 49 ULTIMATE.start_main_~y~4) (<= ULTIMATE.start_main_~x~4 48)), 40212#(and (<= 49 ULTIMATE.start_main_~x~4) (<= 49 ULTIMATE.start_main_~y~4) (<= ULTIMATE.start_main_~x~4 49)), 40213#(and (<= 49 ULTIMATE.start_main_~x~4) (<= 50 ULTIMATE.start_main_~y~4)), 40214#(and (<= 50 ULTIMATE.start_main_~x~4) (<= 50 ULTIMATE.start_main_~y~4)), 40215#(and (<= 50 ULTIMATE.start_main_~x~4) (<= 49 ULTIMATE.start_main_~y~4)), 40216#(and (<= 51 ULTIMATE.start_main_~x~4) (<= 49 ULTIMATE.start_main_~y~4)), 40217#(and (<= 51 ULTIMATE.start_main_~x~4) (<= 48 ULTIMATE.start_main_~y~4)), 40218#(and (<= 52 ULTIMATE.start_main_~x~4) (<= 48 ULTIMATE.start_main_~y~4)), 40219#(and (<= 52 ULTIMATE.start_main_~x~4) (<= 47 ULTIMATE.start_main_~y~4)), 40220#(and (<= 47 ULTIMATE.start_main_~y~4) (<= 53 ULTIMATE.start_main_~x~4)), 40221#(and (<= 53 ULTIMATE.start_main_~x~4) (<= 46 ULTIMATE.start_main_~y~4)), 40222#(and (<= 54 ULTIMATE.start_main_~x~4) (<= 46 ULTIMATE.start_main_~y~4)), 40223#(and (<= 45 ULTIMATE.start_main_~y~4) (<= 54 ULTIMATE.start_main_~x~4)), 40224#(and (<= 45 ULTIMATE.start_main_~y~4) (<= 55 ULTIMATE.start_main_~x~4)), 40225#(and (<= 55 ULTIMATE.start_main_~x~4) (<= 44 ULTIMATE.start_main_~y~4)), 40226#(and (<= 56 ULTIMATE.start_main_~x~4) (<= 44 ULTIMATE.start_main_~y~4)), 40227#(and (<= 56 ULTIMATE.start_main_~x~4) (<= 43 ULTIMATE.start_main_~y~4)), 40228#(and (<= 43 ULTIMATE.start_main_~y~4) (<= 57 ULTIMATE.start_main_~x~4)), 40229#(and (<= 42 ULTIMATE.start_main_~y~4) (<= 57 ULTIMATE.start_main_~x~4)), 40230#(and (<= 58 ULTIMATE.start_main_~x~4) (<= 42 ULTIMATE.start_main_~y~4)), 40231#(and (<= 58 ULTIMATE.start_main_~x~4) (<= 41 ULTIMATE.start_main_~y~4)), 40232#(and (<= 41 ULTIMATE.start_main_~y~4) (<= 59 ULTIMATE.start_main_~x~4)), 40233#(and (<= 40 ULTIMATE.start_main_~y~4) (<= 59 ULTIMATE.start_main_~x~4)), 40234#(and (<= 60 ULTIMATE.start_main_~x~4) (<= 40 ULTIMATE.start_main_~y~4)), 40235#(and (<= 39 ULTIMATE.start_main_~y~4) (<= 60 ULTIMATE.start_main_~x~4)), 40236#(and (<= 61 ULTIMATE.start_main_~x~4) (<= 39 ULTIMATE.start_main_~y~4)), 40237#(and (<= 61 ULTIMATE.start_main_~x~4) (<= 38 ULTIMATE.start_main_~y~4)), 40238#(and (<= 38 ULTIMATE.start_main_~y~4) (<= 62 ULTIMATE.start_main_~x~4)), 40239#(and (<= 37 ULTIMATE.start_main_~y~4) (<= 62 ULTIMATE.start_main_~x~4)), 40240#(and (<= 63 ULTIMATE.start_main_~x~4) (<= 37 ULTIMATE.start_main_~y~4)), 40241#(and (<= 63 ULTIMATE.start_main_~x~4) (<= 36 ULTIMATE.start_main_~y~4)), 40242#(and (<= 64 ULTIMATE.start_main_~x~4) (<= 36 ULTIMATE.start_main_~y~4)), 40243#(and (<= 35 ULTIMATE.start_main_~y~4) (<= 64 ULTIMATE.start_main_~x~4)), 40244#(and (<= 35 ULTIMATE.start_main_~y~4) (<= 65 ULTIMATE.start_main_~x~4)), 40245#(and (<= 34 ULTIMATE.start_main_~y~4) (<= 65 ULTIMATE.start_main_~x~4)), 40246#(and (<= 66 ULTIMATE.start_main_~x~4) (<= 34 ULTIMATE.start_main_~y~4)), 40247#(and (<= 66 ULTIMATE.start_main_~x~4) (<= 33 ULTIMATE.start_main_~y~4)), 40248#(and (<= 67 ULTIMATE.start_main_~x~4) (<= 33 ULTIMATE.start_main_~y~4)), 40249#(and (<= 67 ULTIMATE.start_main_~x~4) (<= 32 ULTIMATE.start_main_~y~4)), 40250#(and (<= 32 ULTIMATE.start_main_~y~4) (<= 68 ULTIMATE.start_main_~x~4)), 40251#(and (<= 31 ULTIMATE.start_main_~y~4) (<= 68 ULTIMATE.start_main_~x~4)), 40252#(and (<= 31 ULTIMATE.start_main_~y~4) (<= 69 ULTIMATE.start_main_~x~4)), 40253#(and (<= 30 ULTIMATE.start_main_~y~4) (<= 69 ULTIMATE.start_main_~x~4)), 40254#(and (<= 70 ULTIMATE.start_main_~x~4) (<= 30 ULTIMATE.start_main_~y~4)), 40255#(and (<= 70 ULTIMATE.start_main_~x~4) (<= 29 ULTIMATE.start_main_~y~4)), 40256#(and (<= 71 ULTIMATE.start_main_~x~4) (<= 29 ULTIMATE.start_main_~y~4)), 40257#(and (<= 71 ULTIMATE.start_main_~x~4) (<= 28 ULTIMATE.start_main_~y~4)), 40258#(and (<= 72 ULTIMATE.start_main_~x~4) (<= 28 ULTIMATE.start_main_~y~4)), 40259#(and (<= 72 ULTIMATE.start_main_~x~4) (<= 27 ULTIMATE.start_main_~y~4)), 40260#(and (<= 27 ULTIMATE.start_main_~y~4) (<= 73 ULTIMATE.start_main_~x~4)), 40261#(and (<= 73 ULTIMATE.start_main_~x~4) (<= 26 ULTIMATE.start_main_~y~4)), 40262#(and (<= 74 ULTIMATE.start_main_~x~4) (<= 26 ULTIMATE.start_main_~y~4)), 40263#(and (<= 74 ULTIMATE.start_main_~x~4) (<= 25 ULTIMATE.start_main_~y~4)), 40264#(and (<= 75 ULTIMATE.start_main_~x~4) (<= 25 ULTIMATE.start_main_~y~4)), 40265#(and (<= 24 ULTIMATE.start_main_~y~4) (<= 75 ULTIMATE.start_main_~x~4)), 40266#(and (<= 24 ULTIMATE.start_main_~y~4) (<= 76 ULTIMATE.start_main_~x~4)), 40267#(and (<= 23 ULTIMATE.start_main_~y~4) (<= 76 ULTIMATE.start_main_~x~4)), 40268#(and (<= 77 ULTIMATE.start_main_~x~4) (<= 23 ULTIMATE.start_main_~y~4)), 40269#(and (<= 77 ULTIMATE.start_main_~x~4) (<= 22 ULTIMATE.start_main_~y~4)), 40270#(and (<= 78 ULTIMATE.start_main_~x~4) (<= 22 ULTIMATE.start_main_~y~4)), 40271#(and (<= 21 ULTIMATE.start_main_~y~4) (<= 78 ULTIMATE.start_main_~x~4)), 40272#(and (<= 79 ULTIMATE.start_main_~x~4) (<= 21 ULTIMATE.start_main_~y~4)), 40273#(and (<= 79 ULTIMATE.start_main_~x~4) (<= 20 ULTIMATE.start_main_~y~4)), 40274#(and (<= 20 ULTIMATE.start_main_~y~4) (<= 80 ULTIMATE.start_main_~x~4)), 40275#(and (<= 19 ULTIMATE.start_main_~y~4) (<= 80 ULTIMATE.start_main_~x~4)), 40276#(and (<= 19 ULTIMATE.start_main_~y~4) (<= 81 ULTIMATE.start_main_~x~4)), 40277#(and (<= 18 ULTIMATE.start_main_~y~4) (<= 81 ULTIMATE.start_main_~x~4)), 40278#(and (<= 18 ULTIMATE.start_main_~y~4) (<= 82 ULTIMATE.start_main_~x~4)), 40279#(and (<= 82 ULTIMATE.start_main_~x~4) (<= 17 ULTIMATE.start_main_~y~4)), 40280#(and (<= 83 ULTIMATE.start_main_~x~4) (<= 17 ULTIMATE.start_main_~y~4)), 40281#(and (<= 83 ULTIMATE.start_main_~x~4) (<= 16 ULTIMATE.start_main_~y~4)), 40282#(and (<= 16 ULTIMATE.start_main_~y~4) (<= 84 ULTIMATE.start_main_~x~4)), 40283#(<= 15 ULTIMATE.start_main_~y~4), 40284#(<= 1 ULTIMATE.start_main_~y~4), 40112#true, 40113#false, 40114#(and (<= 0 ULTIMATE.start_main_~y~4) (<= ULTIMATE.start_main_~x~4 0) (<= 0 ULTIMATE.start_main_~x~4)), 40115#(and (<= ULTIMATE.start_main_~x~4 0) (<= 0 ULTIMATE.start_main_~x~4) (<= 1 ULTIMATE.start_main_~y~4)), 40116#(and (<= ULTIMATE.start_main_~x~4 1) (<= 1 ULTIMATE.start_main_~y~4) (<= 1 ULTIMATE.start_main_~x~4)), 40117#(and (<= 2 ULTIMATE.start_main_~y~4) (<= ULTIMATE.start_main_~x~4 1) (<= 1 ULTIMATE.start_main_~x~4)), 40118#(and (<= 2 ULTIMATE.start_main_~y~4) (<= 2 ULTIMATE.start_main_~x~4) (<= ULTIMATE.start_main_~x~4 2)), 40119#(and (<= 3 ULTIMATE.start_main_~y~4) (<= 2 ULTIMATE.start_main_~x~4) (<= ULTIMATE.start_main_~x~4 2)), 40120#(and (<= 3 ULTIMATE.start_main_~x~4) (<= 3 ULTIMATE.start_main_~y~4) (<= ULTIMATE.start_main_~x~4 3)), 40121#(and (<= 3 ULTIMATE.start_main_~x~4) (<= 4 ULTIMATE.start_main_~y~4) (<= ULTIMATE.start_main_~x~4 3)), 40122#(and (<= 4 ULTIMATE.start_main_~y~4) (<= ULTIMATE.start_main_~x~4 4) (<= 4 ULTIMATE.start_main_~x~4)), 40123#(and (<= 5 ULTIMATE.start_main_~y~4) (<= ULTIMATE.start_main_~x~4 4) (<= 4 ULTIMATE.start_main_~x~4)), 40124#(and (<= ULTIMATE.start_main_~x~4 5) (<= 5 ULTIMATE.start_main_~y~4) (<= 5 ULTIMATE.start_main_~x~4)), 40125#(and (<= ULTIMATE.start_main_~x~4 5) (<= 6 ULTIMATE.start_main_~y~4) (<= 5 ULTIMATE.start_main_~x~4)), 40126#(and (<= 6 ULTIMATE.start_main_~x~4) (<= 6 ULTIMATE.start_main_~y~4) (<= ULTIMATE.start_main_~x~4 6)), 40127#(and (<= 6 ULTIMATE.start_main_~x~4) (<= 7 ULTIMATE.start_main_~y~4) (<= ULTIMATE.start_main_~x~4 6)), 40128#(and (<= ULTIMATE.start_main_~x~4 7) (<= 7 ULTIMATE.start_main_~y~4) (<= 7 ULTIMATE.start_main_~x~4)), 40129#(and (<= ULTIMATE.start_main_~x~4 7) (<= 7 ULTIMATE.start_main_~x~4) (<= 8 ULTIMATE.start_main_~y~4)), 40130#(and (<= ULTIMATE.start_main_~x~4 8) (<= 8 ULTIMATE.start_main_~y~4) (<= 8 ULTIMATE.start_main_~x~4)), 40131#(and (<= ULTIMATE.start_main_~x~4 8) (<= 8 ULTIMATE.start_main_~x~4) (<= 9 ULTIMATE.start_main_~y~4)), 40132#(and (<= 9 ULTIMATE.start_main_~x~4) (<= ULTIMATE.start_main_~x~4 9) (<= 9 ULTIMATE.start_main_~y~4)), 40133#(and (<= 9 ULTIMATE.start_main_~x~4) (<= 10 ULTIMATE.start_main_~y~4) (<= ULTIMATE.start_main_~x~4 9)), 40134#(and (<= ULTIMATE.start_main_~x~4 10) (<= 10 ULTIMATE.start_main_~y~4) (<= 10 ULTIMATE.start_main_~x~4)), 40135#(and (<= ULTIMATE.start_main_~x~4 10) (<= 11 ULTIMATE.start_main_~y~4) (<= 10 ULTIMATE.start_main_~x~4)), 40136#(and (<= ULTIMATE.start_main_~x~4 11) (<= 11 ULTIMATE.start_main_~x~4) (<= 11 ULTIMATE.start_main_~y~4)), 40137#(and (<= ULTIMATE.start_main_~x~4 11) (<= 11 ULTIMATE.start_main_~x~4) (<= 12 ULTIMATE.start_main_~y~4)), 40138#(and (<= 12 ULTIMATE.start_main_~x~4) (<= 12 ULTIMATE.start_main_~y~4) (<= ULTIMATE.start_main_~x~4 12)), 40139#(and (<= 12 ULTIMATE.start_main_~x~4) (<= 13 ULTIMATE.start_main_~y~4) (<= ULTIMATE.start_main_~x~4 12)), 40140#(and (<= 13 ULTIMATE.start_main_~y~4) (<= ULTIMATE.start_main_~x~4 13) (<= 13 ULTIMATE.start_main_~x~4)), 40141#(and (<= 14 ULTIMATE.start_main_~y~4) (<= ULTIMATE.start_main_~x~4 13) (<= 13 ULTIMATE.start_main_~x~4)), 40142#(and (<= 14 ULTIMATE.start_main_~y~4) (<= 14 ULTIMATE.start_main_~x~4) (<= ULTIMATE.start_main_~x~4 14)), 40143#(and (<= 14 ULTIMATE.start_main_~x~4) (<= ULTIMATE.start_main_~x~4 14) (<= 15 ULTIMATE.start_main_~y~4)), 40144#(and (<= 15 ULTIMATE.start_main_~x~4) (<= 15 ULTIMATE.start_main_~y~4) (<= ULTIMATE.start_main_~x~4 15)), 40145#(and (<= 15 ULTIMATE.start_main_~x~4) (<= 16 ULTIMATE.start_main_~y~4) (<= ULTIMATE.start_main_~x~4 15)), 40146#(and (<= ULTIMATE.start_main_~x~4 16) (<= 16 ULTIMATE.start_main_~x~4) (<= 16 ULTIMATE.start_main_~y~4)), 40147#(and (<= ULTIMATE.start_main_~x~4 16) (<= 16 ULTIMATE.start_main_~x~4) (<= 17 ULTIMATE.start_main_~y~4)), 40148#(and (<= ULTIMATE.start_main_~x~4 17) (<= 17 ULTIMATE.start_main_~y~4) (<= 17 ULTIMATE.start_main_~x~4)), 40149#(and (<= 18 ULTIMATE.start_main_~y~4) (<= ULTIMATE.start_main_~x~4 17) (<= 17 ULTIMATE.start_main_~x~4)), 40150#(and (<= 18 ULTIMATE.start_main_~y~4) (<= 18 ULTIMATE.start_main_~x~4) (<= ULTIMATE.start_main_~x~4 18)), 40151#(and (<= 18 ULTIMATE.start_main_~x~4) (<= ULTIMATE.start_main_~x~4 18) (<= 19 ULTIMATE.start_main_~y~4)), 40152#(and (<= 19 ULTIMATE.start_main_~y~4) (<= 19 ULTIMATE.start_main_~x~4) (<= ULTIMATE.start_main_~x~4 19)), 40153#(and (<= 20 ULTIMATE.start_main_~y~4) (<= 19 ULTIMATE.start_main_~x~4) (<= ULTIMATE.start_main_~x~4 19)), 40154#(and (<= 20 ULTIMATE.start_main_~x~4) (<= 20 ULTIMATE.start_main_~y~4) (<= ULTIMATE.start_main_~x~4 20)), 40155#(and (<= 20 ULTIMATE.start_main_~x~4) (<= 21 ULTIMATE.start_main_~y~4) (<= ULTIMATE.start_main_~x~4 20)), 40156#(and (<= ULTIMATE.start_main_~x~4 21) (<= 21 ULTIMATE.start_main_~y~4) (<= 21 ULTIMATE.start_main_~x~4)), 40157#(and (<= ULTIMATE.start_main_~x~4 21) (<= 21 ULTIMATE.start_main_~x~4) (<= 22 ULTIMATE.start_main_~y~4)), 40158#(and (<= ULTIMATE.start_main_~x~4 22) (<= 22 ULTIMATE.start_main_~x~4) (<= 22 ULTIMATE.start_main_~y~4)), 40159#(and (<= 23 ULTIMATE.start_main_~y~4) (<= ULTIMATE.start_main_~x~4 22) (<= 22 ULTIMATE.start_main_~x~4)), 40160#(and (<= ULTIMATE.start_main_~x~4 23) (<= 23 ULTIMATE.start_main_~x~4) (<= 23 ULTIMATE.start_main_~y~4)), 40161#(and (<= ULTIMATE.start_main_~x~4 23) (<= 23 ULTIMATE.start_main_~x~4) (<= 24 ULTIMATE.start_main_~y~4)), 40162#(and (<= 24 ULTIMATE.start_main_~y~4) (<= ULTIMATE.start_main_~x~4 24) (<= 24 ULTIMATE.start_main_~x~4)), 40163#(and (<= 25 ULTIMATE.start_main_~y~4) (<= ULTIMATE.start_main_~x~4 24) (<= 24 ULTIMATE.start_main_~x~4)), 40164#(and (<= 25 ULTIMATE.start_main_~y~4) (<= ULTIMATE.start_main_~x~4 25) (<= 25 ULTIMATE.start_main_~x~4)), 40165#(and (<= ULTIMATE.start_main_~x~4 25) (<= 26 ULTIMATE.start_main_~y~4) (<= 25 ULTIMATE.start_main_~x~4)), 40166#(and (<= ULTIMATE.start_main_~x~4 26) (<= 26 ULTIMATE.start_main_~y~4) (<= 26 ULTIMATE.start_main_~x~4)), 40167#(and (<= ULTIMATE.start_main_~x~4 26) (<= 27 ULTIMATE.start_main_~y~4) (<= 26 ULTIMATE.start_main_~x~4)), 40168#(and (<= ULTIMATE.start_main_~x~4 27) (<= 27 ULTIMATE.start_main_~y~4) (<= 27 ULTIMATE.start_main_~x~4)), 40169#(and (<= ULTIMATE.start_main_~x~4 27) (<= 27 ULTIMATE.start_main_~x~4) (<= 28 ULTIMATE.start_main_~y~4)), 40170#(and (<= ULTIMATE.start_main_~x~4 28) (<= 28 ULTIMATE.start_main_~y~4) (<= 28 ULTIMATE.start_main_~x~4)), 40171#(and (<= ULTIMATE.start_main_~x~4 28) (<= 29 ULTIMATE.start_main_~y~4) (<= 28 ULTIMATE.start_main_~x~4)), 40172#(and (<= 29 ULTIMATE.start_main_~x~4) (<= 29 ULTIMATE.start_main_~y~4) (<= ULTIMATE.start_main_~x~4 29)), 40173#(and (<= 29 ULTIMATE.start_main_~x~4) (<= 30 ULTIMATE.start_main_~y~4) (<= ULTIMATE.start_main_~x~4 29)), 40174#(and (<= ULTIMATE.start_main_~x~4 30) (<= 30 ULTIMATE.start_main_~y~4) (<= 30 ULTIMATE.start_main_~x~4)), 40175#(and (<= ULTIMATE.start_main_~x~4 30) (<= 31 ULTIMATE.start_main_~y~4) (<= 30 ULTIMATE.start_main_~x~4)), 40176#(and (<= ULTIMATE.start_main_~x~4 31) (<= 31 ULTIMATE.start_main_~y~4) (<= 31 ULTIMATE.start_main_~x~4)), 40177#(and (<= ULTIMATE.start_main_~x~4 31) (<= 32 ULTIMATE.start_main_~y~4) (<= 31 ULTIMATE.start_main_~x~4)), 40178#(and (<= ULTIMATE.start_main_~x~4 32) (<= 32 ULTIMATE.start_main_~y~4) (<= 32 ULTIMATE.start_main_~x~4)), 40179#(and (<= ULTIMATE.start_main_~x~4 32) (<= 33 ULTIMATE.start_main_~y~4) (<= 32 ULTIMATE.start_main_~x~4)), 40180#(and (<= ULTIMATE.start_main_~x~4 33) (<= 33 ULTIMATE.start_main_~y~4) (<= 33 ULTIMATE.start_main_~x~4)), 40181#(and (<= ULTIMATE.start_main_~x~4 33) (<= 33 ULTIMATE.start_main_~x~4) (<= 34 ULTIMATE.start_main_~y~4)), 40182#(and (<= 34 ULTIMATE.start_main_~x~4) (<= ULTIMATE.start_main_~x~4 34) (<= 34 ULTIMATE.start_main_~y~4)), 40183#(and (<= 34 ULTIMATE.start_main_~x~4) (<= ULTIMATE.start_main_~x~4 34) (<= 35 ULTIMATE.start_main_~y~4)), 40184#(and (<= ULTIMATE.start_main_~x~4 35) (<= 35 ULTIMATE.start_main_~y~4) (<= 35 ULTIMATE.start_main_~x~4)), 40185#(and (<= ULTIMATE.start_main_~x~4 35) (<= 35 ULTIMATE.start_main_~x~4) (<= 36 ULTIMATE.start_main_~y~4)), 40186#(and (<= 36 ULTIMATE.start_main_~x~4) (<= ULTIMATE.start_main_~x~4 36) (<= 36 ULTIMATE.start_main_~y~4)), 40187#(and (<= 36 ULTIMATE.start_main_~x~4) (<= 37 ULTIMATE.start_main_~y~4) (<= ULTIMATE.start_main_~x~4 36)), 40188#(and (<= 37 ULTIMATE.start_main_~y~4) (<= ULTIMATE.start_main_~x~4 37) (<= 37 ULTIMATE.start_main_~x~4)), 40189#(and (<= ULTIMATE.start_main_~x~4 37) (<= 38 ULTIMATE.start_main_~y~4) (<= 37 ULTIMATE.start_main_~x~4)), 40190#(and (<= 38 ULTIMATE.start_main_~x~4) (<= ULTIMATE.start_main_~x~4 38) (<= 38 ULTIMATE.start_main_~y~4)), 40191#(and (<= 38 ULTIMATE.start_main_~x~4) (<= 39 ULTIMATE.start_main_~y~4) (<= ULTIMATE.start_main_~x~4 38))] [2018-07-23 13:42:12,683 INFO L134 CoverageAnalysis]: Checked inductivity of 7310 backedges. 0 proven. 7310 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2018-07-23 13:42:12,683 INFO L450 AbstractCegarLoop]: Interpolant automaton has 173 states [2018-07-23 13:42:12,684 INFO L132 InterpolantAutomaton]: Constructing interpolant automaton starting with 173 interpolants. [2018-07-23 13:42:12,686 INFO L133 InterpolantAutomaton]: CoverageRelationStatistics Valid=770, Invalid=28986, Unknown=0, NotChecked=0, Total=29756 [2018-07-23 13:42:12,687 INFO L87 Difference]: Start difference. First operand 175 states and 175 transitions. Second operand 173 states. [2018-07-23 13:42:13,828 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2018-07-23 13:42:13,829 INFO L93 Difference]: Finished difference Result 180 states and 180 transitions. [2018-07-23 13:42:13,829 INFO L142 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 173 states. [2018-07-23 13:42:13,829 INFO L78 Accepts]: Start accepts. Automaton has 173 states. Word has length 174 [2018-07-23 13:42:13,829 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2018-07-23 13:42:13,830 INFO L225 Difference]: With dead ends: 180 [2018-07-23 13:42:13,830 INFO L226 Difference]: Without dead ends: 178 [2018-07-23 13:42:13,832 INFO L575 BasicCegarLoop]: 0 DeclaredPredicates, 174 GetRequests, 1 SyntacticMatches, 1 SemanticMatches, 172 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 8733 ImplicationChecksByTransitivity, 1.1s TimeCoverageRelationStatistics Valid=776, Invalid=29326, Unknown=0, NotChecked=0, Total=30102 [2018-07-23 13:42:13,832 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 178 states. [2018-07-23 13:42:13,855 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 178 to 177. [2018-07-23 13:42:13,856 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 177 states. [2018-07-23 13:42:13,856 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 177 states to 177 states and 177 transitions. [2018-07-23 13:42:13,856 INFO L78 Accepts]: Start accepts. Automaton has 177 states and 177 transitions. Word has length 174 [2018-07-23 13:42:13,856 INFO L84 Accepts]: Finished accepts. word is rejected. [2018-07-23 13:42:13,856 INFO L471 AbstractCegarLoop]: Abstraction has 177 states and 177 transitions. [2018-07-23 13:42:13,857 INFO L472 AbstractCegarLoop]: Interpolant automaton has 173 states. [2018-07-23 13:42:13,857 INFO L276 IsEmpty]: Start isEmpty. Operand 177 states and 177 transitions. [2018-07-23 13:42:13,857 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 177 [2018-07-23 13:42:13,857 INFO L349 BasicCegarLoop]: Found error trace [2018-07-23 13:42:13,858 INFO L357 BasicCegarLoop]: trace histogram [87, 86, 1, 1, 1] [2018-07-23 13:42:13,858 INFO L414 AbstractCegarLoop]: === Iteration 87 === [ULTIMATE.startErr0AssertViolationASSERT]=== [2018-07-23 13:42:13,858 INFO L82 PathProgramCache]: Analyzing trace with hash 363160700, now seen corresponding path program 86 times [2018-07-23 13:42:13,858 INFO L69 tionRefinementEngine]: Using refinement strategy FixedRefinementStrategy [2018-07-23 13:42:13,892 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-07-23 13:42:15,305 INFO L134 CoverageAnalysis]: Checked inductivity of 7482 backedges. 0 proven. 7482 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2018-07-23 13:42:15,306 INFO L309 seRefinementStrategy]: Constructing automaton from 0 perfect and 1 imperfect interpolant sequences. [2018-07-23 13:42:15,306 INFO L324 seRefinementStrategy]: Number of different interpolants: perfect sequences [] imperfect sequences [174] total 174 [2018-07-23 13:42:15,306 INFO L142 lantAutomatonBuilder]: Constructing canonical interpolant automaton, with selfloop in false state [2018-07-23 13:42:15,306 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2018-07-23 13:42:15,307 INFO L185 omatonBuilderFactory]: Interpolants [41001#true, 41002#false, 41003#(and (<= 0 ULTIMATE.start_main_~y~4) (<= ULTIMATE.start_main_~x~4 0) (<= 0 ULTIMATE.start_main_~x~4)), 41004#(and (<= ULTIMATE.start_main_~x~4 0) (<= 0 ULTIMATE.start_main_~x~4) (<= 1 ULTIMATE.start_main_~y~4)), 41005#(and (<= ULTIMATE.start_main_~x~4 1) (<= 1 ULTIMATE.start_main_~y~4) (<= 1 ULTIMATE.start_main_~x~4)), 41006#(and (<= 2 ULTIMATE.start_main_~y~4) (<= ULTIMATE.start_main_~x~4 1) (<= 1 ULTIMATE.start_main_~x~4)), 41007#(and (<= 2 ULTIMATE.start_main_~y~4) (<= 2 ULTIMATE.start_main_~x~4) (<= ULTIMATE.start_main_~x~4 2)), 41008#(and (<= 3 ULTIMATE.start_main_~y~4) (<= 2 ULTIMATE.start_main_~x~4) (<= ULTIMATE.start_main_~x~4 2)), 41009#(and (<= 3 ULTIMATE.start_main_~x~4) (<= 3 ULTIMATE.start_main_~y~4) (<= ULTIMATE.start_main_~x~4 3)), 41010#(and (<= 3 ULTIMATE.start_main_~x~4) (<= 4 ULTIMATE.start_main_~y~4) (<= ULTIMATE.start_main_~x~4 3)), 41011#(and (<= 4 ULTIMATE.start_main_~y~4) (<= ULTIMATE.start_main_~x~4 4) (<= 4 ULTIMATE.start_main_~x~4)), 41012#(and (<= 5 ULTIMATE.start_main_~y~4) (<= ULTIMATE.start_main_~x~4 4) (<= 4 ULTIMATE.start_main_~x~4)), 41013#(and (<= ULTIMATE.start_main_~x~4 5) (<= 5 ULTIMATE.start_main_~y~4) (<= 5 ULTIMATE.start_main_~x~4)), 41014#(and (<= ULTIMATE.start_main_~x~4 5) (<= 6 ULTIMATE.start_main_~y~4) (<= 5 ULTIMATE.start_main_~x~4)), 41015#(and (<= 6 ULTIMATE.start_main_~x~4) (<= 6 ULTIMATE.start_main_~y~4) (<= ULTIMATE.start_main_~x~4 6)), 41016#(and (<= 6 ULTIMATE.start_main_~x~4) (<= 7 ULTIMATE.start_main_~y~4) (<= ULTIMATE.start_main_~x~4 6)), 41017#(and (<= ULTIMATE.start_main_~x~4 7) (<= 7 ULTIMATE.start_main_~y~4) (<= 7 ULTIMATE.start_main_~x~4)), 41018#(and (<= ULTIMATE.start_main_~x~4 7) (<= 7 ULTIMATE.start_main_~x~4) (<= 8 ULTIMATE.start_main_~y~4)), 41019#(and (<= ULTIMATE.start_main_~x~4 8) (<= 8 ULTIMATE.start_main_~y~4) (<= 8 ULTIMATE.start_main_~x~4)), 41020#(and (<= ULTIMATE.start_main_~x~4 8) (<= 8 ULTIMATE.start_main_~x~4) (<= 9 ULTIMATE.start_main_~y~4)), 41021#(and (<= 9 ULTIMATE.start_main_~x~4) (<= ULTIMATE.start_main_~x~4 9) (<= 9 ULTIMATE.start_main_~y~4)), 41022#(and (<= 9 ULTIMATE.start_main_~x~4) (<= 10 ULTIMATE.start_main_~y~4) (<= ULTIMATE.start_main_~x~4 9)), 41023#(and (<= ULTIMATE.start_main_~x~4 10) (<= 10 ULTIMATE.start_main_~y~4) (<= 10 ULTIMATE.start_main_~x~4)), 41024#(and (<= ULTIMATE.start_main_~x~4 10) (<= 11 ULTIMATE.start_main_~y~4) (<= 10 ULTIMATE.start_main_~x~4)), 41025#(and (<= ULTIMATE.start_main_~x~4 11) (<= 11 ULTIMATE.start_main_~x~4) (<= 11 ULTIMATE.start_main_~y~4)), 41026#(and (<= ULTIMATE.start_main_~x~4 11) (<= 11 ULTIMATE.start_main_~x~4) (<= 12 ULTIMATE.start_main_~y~4)), 41027#(and (<= 12 ULTIMATE.start_main_~x~4) (<= 12 ULTIMATE.start_main_~y~4) (<= ULTIMATE.start_main_~x~4 12)), 41028#(and (<= 12 ULTIMATE.start_main_~x~4) (<= 13 ULTIMATE.start_main_~y~4) (<= ULTIMATE.start_main_~x~4 12)), 41029#(and (<= 13 ULTIMATE.start_main_~y~4) (<= ULTIMATE.start_main_~x~4 13) (<= 13 ULTIMATE.start_main_~x~4)), 41030#(and (<= 14 ULTIMATE.start_main_~y~4) (<= ULTIMATE.start_main_~x~4 13) (<= 13 ULTIMATE.start_main_~x~4)), 41031#(and (<= 14 ULTIMATE.start_main_~y~4) (<= 14 ULTIMATE.start_main_~x~4) (<= ULTIMATE.start_main_~x~4 14)), 41032#(and (<= 14 ULTIMATE.start_main_~x~4) (<= ULTIMATE.start_main_~x~4 14) (<= 15 ULTIMATE.start_main_~y~4)), 41033#(and (<= 15 ULTIMATE.start_main_~x~4) (<= 15 ULTIMATE.start_main_~y~4) (<= ULTIMATE.start_main_~x~4 15)), 41034#(and (<= 15 ULTIMATE.start_main_~x~4) (<= 16 ULTIMATE.start_main_~y~4) (<= ULTIMATE.start_main_~x~4 15)), 41035#(and (<= ULTIMATE.start_main_~x~4 16) (<= 16 ULTIMATE.start_main_~x~4) (<= 16 ULTIMATE.start_main_~y~4)), 41036#(and (<= ULTIMATE.start_main_~x~4 16) (<= 16 ULTIMATE.start_main_~x~4) (<= 17 ULTIMATE.start_main_~y~4)), 41037#(and (<= ULTIMATE.start_main_~x~4 17) (<= 17 ULTIMATE.start_main_~y~4) (<= 17 ULTIMATE.start_main_~x~4)), 41038#(and (<= 18 ULTIMATE.start_main_~y~4) (<= ULTIMATE.start_main_~x~4 17) (<= 17 ULTIMATE.start_main_~x~4)), 41039#(and (<= 18 ULTIMATE.start_main_~y~4) (<= 18 ULTIMATE.start_main_~x~4) (<= ULTIMATE.start_main_~x~4 18)), 41040#(and (<= 18 ULTIMATE.start_main_~x~4) (<= ULTIMATE.start_main_~x~4 18) (<= 19 ULTIMATE.start_main_~y~4)), 41041#(and (<= 19 ULTIMATE.start_main_~y~4) (<= 19 ULTIMATE.start_main_~x~4) (<= ULTIMATE.start_main_~x~4 19)), 41042#(and (<= 20 ULTIMATE.start_main_~y~4) (<= 19 ULTIMATE.start_main_~x~4) (<= ULTIMATE.start_main_~x~4 19)), 41043#(and (<= 20 ULTIMATE.start_main_~x~4) (<= 20 ULTIMATE.start_main_~y~4) (<= ULTIMATE.start_main_~x~4 20)), 41044#(and (<= 20 ULTIMATE.start_main_~x~4) (<= 21 ULTIMATE.start_main_~y~4) (<= ULTIMATE.start_main_~x~4 20)), 41045#(and (<= ULTIMATE.start_main_~x~4 21) (<= 21 ULTIMATE.start_main_~y~4) (<= 21 ULTIMATE.start_main_~x~4)), 41046#(and (<= ULTIMATE.start_main_~x~4 21) (<= 21 ULTIMATE.start_main_~x~4) (<= 22 ULTIMATE.start_main_~y~4)), 41047#(and (<= ULTIMATE.start_main_~x~4 22) (<= 22 ULTIMATE.start_main_~x~4) (<= 22 ULTIMATE.start_main_~y~4)), 41048#(and (<= 23 ULTIMATE.start_main_~y~4) (<= ULTIMATE.start_main_~x~4 22) (<= 22 ULTIMATE.start_main_~x~4)), 41049#(and (<= ULTIMATE.start_main_~x~4 23) (<= 23 ULTIMATE.start_main_~x~4) (<= 23 ULTIMATE.start_main_~y~4)), 41050#(and (<= ULTIMATE.start_main_~x~4 23) (<= 23 ULTIMATE.start_main_~x~4) (<= 24 ULTIMATE.start_main_~y~4)), 41051#(and (<= 24 ULTIMATE.start_main_~y~4) (<= ULTIMATE.start_main_~x~4 24) (<= 24 ULTIMATE.start_main_~x~4)), 41052#(and (<= 25 ULTIMATE.start_main_~y~4) (<= ULTIMATE.start_main_~x~4 24) (<= 24 ULTIMATE.start_main_~x~4)), 41053#(and (<= 25 ULTIMATE.start_main_~y~4) (<= ULTIMATE.start_main_~x~4 25) (<= 25 ULTIMATE.start_main_~x~4)), 41054#(and (<= ULTIMATE.start_main_~x~4 25) (<= 26 ULTIMATE.start_main_~y~4) (<= 25 ULTIMATE.start_main_~x~4)), 41055#(and (<= ULTIMATE.start_main_~x~4 26) (<= 26 ULTIMATE.start_main_~y~4) (<= 26 ULTIMATE.start_main_~x~4)), 41056#(and (<= ULTIMATE.start_main_~x~4 26) (<= 27 ULTIMATE.start_main_~y~4) (<= 26 ULTIMATE.start_main_~x~4)), 41057#(and (<= ULTIMATE.start_main_~x~4 27) (<= 27 ULTIMATE.start_main_~y~4) (<= 27 ULTIMATE.start_main_~x~4)), 41058#(and (<= ULTIMATE.start_main_~x~4 27) (<= 27 ULTIMATE.start_main_~x~4) (<= 28 ULTIMATE.start_main_~y~4)), 41059#(and (<= ULTIMATE.start_main_~x~4 28) (<= 28 ULTIMATE.start_main_~y~4) (<= 28 ULTIMATE.start_main_~x~4)), 41060#(and (<= ULTIMATE.start_main_~x~4 28) (<= 29 ULTIMATE.start_main_~y~4) (<= 28 ULTIMATE.start_main_~x~4)), 41061#(and (<= 29 ULTIMATE.start_main_~x~4) (<= 29 ULTIMATE.start_main_~y~4) (<= ULTIMATE.start_main_~x~4 29)), 41062#(and (<= 29 ULTIMATE.start_main_~x~4) (<= 30 ULTIMATE.start_main_~y~4) (<= ULTIMATE.start_main_~x~4 29)), 41063#(and (<= ULTIMATE.start_main_~x~4 30) (<= 30 ULTIMATE.start_main_~y~4) (<= 30 ULTIMATE.start_main_~x~4)), 41064#(and (<= ULTIMATE.start_main_~x~4 30) (<= 31 ULTIMATE.start_main_~y~4) (<= 30 ULTIMATE.start_main_~x~4)), 41065#(and (<= ULTIMATE.start_main_~x~4 31) (<= 31 ULTIMATE.start_main_~y~4) (<= 31 ULTIMATE.start_main_~x~4)), 41066#(and (<= ULTIMATE.start_main_~x~4 31) (<= 32 ULTIMATE.start_main_~y~4) (<= 31 ULTIMATE.start_main_~x~4)), 41067#(and (<= ULTIMATE.start_main_~x~4 32) (<= 32 ULTIMATE.start_main_~y~4) (<= 32 ULTIMATE.start_main_~x~4)), 41068#(and (<= ULTIMATE.start_main_~x~4 32) (<= 33 ULTIMATE.start_main_~y~4) (<= 32 ULTIMATE.start_main_~x~4)), 41069#(and (<= ULTIMATE.start_main_~x~4 33) (<= 33 ULTIMATE.start_main_~y~4) (<= 33 ULTIMATE.start_main_~x~4)), 41070#(and (<= ULTIMATE.start_main_~x~4 33) (<= 33 ULTIMATE.start_main_~x~4) (<= 34 ULTIMATE.start_main_~y~4)), 41071#(and (<= 34 ULTIMATE.start_main_~x~4) (<= ULTIMATE.start_main_~x~4 34) (<= 34 ULTIMATE.start_main_~y~4)), 41072#(and (<= 34 ULTIMATE.start_main_~x~4) (<= ULTIMATE.start_main_~x~4 34) (<= 35 ULTIMATE.start_main_~y~4)), 41073#(and (<= ULTIMATE.start_main_~x~4 35) (<= 35 ULTIMATE.start_main_~y~4) (<= 35 ULTIMATE.start_main_~x~4)), 41074#(and (<= ULTIMATE.start_main_~x~4 35) (<= 35 ULTIMATE.start_main_~x~4) (<= 36 ULTIMATE.start_main_~y~4)), 41075#(and (<= 36 ULTIMATE.start_main_~x~4) (<= ULTIMATE.start_main_~x~4 36) (<= 36 ULTIMATE.start_main_~y~4)), 41076#(and (<= 36 ULTIMATE.start_main_~x~4) (<= 37 ULTIMATE.start_main_~y~4) (<= ULTIMATE.start_main_~x~4 36)), 41077#(and (<= 37 ULTIMATE.start_main_~y~4) (<= ULTIMATE.start_main_~x~4 37) (<= 37 ULTIMATE.start_main_~x~4)), 41078#(and (<= ULTIMATE.start_main_~x~4 37) (<= 38 ULTIMATE.start_main_~y~4) (<= 37 ULTIMATE.start_main_~x~4)), 41079#(and (<= 38 ULTIMATE.start_main_~x~4) (<= ULTIMATE.start_main_~x~4 38) (<= 38 ULTIMATE.start_main_~y~4)), 41080#(and (<= 38 ULTIMATE.start_main_~x~4) (<= 39 ULTIMATE.start_main_~y~4) (<= ULTIMATE.start_main_~x~4 38)), 41081#(and (<= 39 ULTIMATE.start_main_~y~4) (<= ULTIMATE.start_main_~x~4 39) (<= 39 ULTIMATE.start_main_~x~4)), 41082#(and (<= ULTIMATE.start_main_~x~4 39) (<= 39 ULTIMATE.start_main_~x~4) (<= 40 ULTIMATE.start_main_~y~4)), 41083#(and (<= ULTIMATE.start_main_~x~4 40) (<= 40 ULTIMATE.start_main_~x~4) (<= 40 ULTIMATE.start_main_~y~4)), 41084#(and (<= ULTIMATE.start_main_~x~4 40) (<= 40 ULTIMATE.start_main_~x~4) (<= 41 ULTIMATE.start_main_~y~4)), 41085#(and (<= ULTIMATE.start_main_~x~4 41) (<= 41 ULTIMATE.start_main_~x~4) (<= 41 ULTIMATE.start_main_~y~4)), 41086#(and (<= ULTIMATE.start_main_~x~4 41) (<= 41 ULTIMATE.start_main_~x~4) (<= 42 ULTIMATE.start_main_~y~4)), 41087#(and (<= 42 ULTIMATE.start_main_~y~4) (<= ULTIMATE.start_main_~x~4 42) (<= 42 ULTIMATE.start_main_~x~4)), 41088#(and (<= 43 ULTIMATE.start_main_~y~4) (<= ULTIMATE.start_main_~x~4 42) (<= 42 ULTIMATE.start_main_~x~4)), 41089#(and (<= 43 ULTIMATE.start_main_~y~4) (<= ULTIMATE.start_main_~x~4 43) (<= 43 ULTIMATE.start_main_~x~4)), 41090#(and (<= ULTIMATE.start_main_~x~4 43) (<= 44 ULTIMATE.start_main_~y~4) (<= 43 ULTIMATE.start_main_~x~4)), 41091#(and (<= 44 ULTIMATE.start_main_~x~4) (<= ULTIMATE.start_main_~x~4 44) (<= 44 ULTIMATE.start_main_~y~4)), 41092#(and (<= 44 ULTIMATE.start_main_~x~4) (<= ULTIMATE.start_main_~x~4 44) (<= 45 ULTIMATE.start_main_~y~4)), 41093#(and (<= 45 ULTIMATE.start_main_~y~4) (<= 45 ULTIMATE.start_main_~x~4) (<= ULTIMATE.start_main_~x~4 45)), 41094#(and (<= 46 ULTIMATE.start_main_~y~4) (<= 45 ULTIMATE.start_main_~x~4) (<= ULTIMATE.start_main_~x~4 45)), 41095#(and (<= ULTIMATE.start_main_~x~4 46) (<= 46 ULTIMATE.start_main_~x~4) (<= 46 ULTIMATE.start_main_~y~4)), 41096#(and (<= ULTIMATE.start_main_~x~4 46) (<= 47 ULTIMATE.start_main_~y~4) (<= 46 ULTIMATE.start_main_~x~4)), 41097#(and (<= 47 ULTIMATE.start_main_~y~4) (<= 47 ULTIMATE.start_main_~x~4) (<= ULTIMATE.start_main_~x~4 47)), 41098#(and (<= 48 ULTIMATE.start_main_~y~4) (<= 47 ULTIMATE.start_main_~x~4) (<= ULTIMATE.start_main_~x~4 47)), 41099#(and (<= 48 ULTIMATE.start_main_~x~4) (<= 48 ULTIMATE.start_main_~y~4) (<= ULTIMATE.start_main_~x~4 48)), 41100#(and (<= 48 ULTIMATE.start_main_~x~4) (<= 49 ULTIMATE.start_main_~y~4) (<= ULTIMATE.start_main_~x~4 48)), 41101#(and (<= 49 ULTIMATE.start_main_~x~4) (<= 49 ULTIMATE.start_main_~y~4) (<= ULTIMATE.start_main_~x~4 49)), 41102#(and (<= 49 ULTIMATE.start_main_~x~4) (<= 50 ULTIMATE.start_main_~y~4)), 41103#(and (<= 50 ULTIMATE.start_main_~x~4) (<= 50 ULTIMATE.start_main_~y~4)), 41104#(and (<= 50 ULTIMATE.start_main_~x~4) (<= 49 ULTIMATE.start_main_~y~4)), 41105#(and (<= 51 ULTIMATE.start_main_~x~4) (<= 49 ULTIMATE.start_main_~y~4)), 41106#(and (<= 51 ULTIMATE.start_main_~x~4) (<= 48 ULTIMATE.start_main_~y~4)), 41107#(and (<= 52 ULTIMATE.start_main_~x~4) (<= 48 ULTIMATE.start_main_~y~4)), 41108#(and (<= 52 ULTIMATE.start_main_~x~4) (<= 47 ULTIMATE.start_main_~y~4)), 41109#(and (<= 47 ULTIMATE.start_main_~y~4) (<= 53 ULTIMATE.start_main_~x~4)), 41110#(and (<= 53 ULTIMATE.start_main_~x~4) (<= 46 ULTIMATE.start_main_~y~4)), 41111#(and (<= 54 ULTIMATE.start_main_~x~4) (<= 46 ULTIMATE.start_main_~y~4)), 41112#(and (<= 45 ULTIMATE.start_main_~y~4) (<= 54 ULTIMATE.start_main_~x~4)), 41113#(and (<= 45 ULTIMATE.start_main_~y~4) (<= 55 ULTIMATE.start_main_~x~4)), 41114#(and (<= 55 ULTIMATE.start_main_~x~4) (<= 44 ULTIMATE.start_main_~y~4)), 41115#(and (<= 56 ULTIMATE.start_main_~x~4) (<= 44 ULTIMATE.start_main_~y~4)), 41116#(and (<= 56 ULTIMATE.start_main_~x~4) (<= 43 ULTIMATE.start_main_~y~4)), 41117#(and (<= 43 ULTIMATE.start_main_~y~4) (<= 57 ULTIMATE.start_main_~x~4)), 41118#(and (<= 42 ULTIMATE.start_main_~y~4) (<= 57 ULTIMATE.start_main_~x~4)), 41119#(and (<= 58 ULTIMATE.start_main_~x~4) (<= 42 ULTIMATE.start_main_~y~4)), 41120#(and (<= 58 ULTIMATE.start_main_~x~4) (<= 41 ULTIMATE.start_main_~y~4)), 41121#(and (<= 41 ULTIMATE.start_main_~y~4) (<= 59 ULTIMATE.start_main_~x~4)), 41122#(and (<= 40 ULTIMATE.start_main_~y~4) (<= 59 ULTIMATE.start_main_~x~4)), 41123#(and (<= 60 ULTIMATE.start_main_~x~4) (<= 40 ULTIMATE.start_main_~y~4)), 41124#(and (<= 39 ULTIMATE.start_main_~y~4) (<= 60 ULTIMATE.start_main_~x~4)), 41125#(and (<= 61 ULTIMATE.start_main_~x~4) (<= 39 ULTIMATE.start_main_~y~4)), 41126#(and (<= 61 ULTIMATE.start_main_~x~4) (<= 38 ULTIMATE.start_main_~y~4)), 41127#(and (<= 38 ULTIMATE.start_main_~y~4) (<= 62 ULTIMATE.start_main_~x~4)), 41128#(and (<= 37 ULTIMATE.start_main_~y~4) (<= 62 ULTIMATE.start_main_~x~4)), 41129#(and (<= 63 ULTIMATE.start_main_~x~4) (<= 37 ULTIMATE.start_main_~y~4)), 41130#(and (<= 63 ULTIMATE.start_main_~x~4) (<= 36 ULTIMATE.start_main_~y~4)), 41131#(and (<= 64 ULTIMATE.start_main_~x~4) (<= 36 ULTIMATE.start_main_~y~4)), 41132#(and (<= 35 ULTIMATE.start_main_~y~4) (<= 64 ULTIMATE.start_main_~x~4)), 41133#(and (<= 35 ULTIMATE.start_main_~y~4) (<= 65 ULTIMATE.start_main_~x~4)), 41134#(and (<= 34 ULTIMATE.start_main_~y~4) (<= 65 ULTIMATE.start_main_~x~4)), 41135#(and (<= 66 ULTIMATE.start_main_~x~4) (<= 34 ULTIMATE.start_main_~y~4)), 41136#(and (<= 66 ULTIMATE.start_main_~x~4) (<= 33 ULTIMATE.start_main_~y~4)), 41137#(and (<= 67 ULTIMATE.start_main_~x~4) (<= 33 ULTIMATE.start_main_~y~4)), 41138#(and (<= 67 ULTIMATE.start_main_~x~4) (<= 32 ULTIMATE.start_main_~y~4)), 41139#(and (<= 32 ULTIMATE.start_main_~y~4) (<= 68 ULTIMATE.start_main_~x~4)), 41140#(and (<= 31 ULTIMATE.start_main_~y~4) (<= 68 ULTIMATE.start_main_~x~4)), 41141#(and (<= 31 ULTIMATE.start_main_~y~4) (<= 69 ULTIMATE.start_main_~x~4)), 41142#(and (<= 30 ULTIMATE.start_main_~y~4) (<= 69 ULTIMATE.start_main_~x~4)), 41143#(and (<= 70 ULTIMATE.start_main_~x~4) (<= 30 ULTIMATE.start_main_~y~4)), 41144#(and (<= 70 ULTIMATE.start_main_~x~4) (<= 29 ULTIMATE.start_main_~y~4)), 41145#(and (<= 71 ULTIMATE.start_main_~x~4) (<= 29 ULTIMATE.start_main_~y~4)), 41146#(and (<= 71 ULTIMATE.start_main_~x~4) (<= 28 ULTIMATE.start_main_~y~4)), 41147#(and (<= 72 ULTIMATE.start_main_~x~4) (<= 28 ULTIMATE.start_main_~y~4)), 41148#(and (<= 72 ULTIMATE.start_main_~x~4) (<= 27 ULTIMATE.start_main_~y~4)), 41149#(and (<= 27 ULTIMATE.start_main_~y~4) (<= 73 ULTIMATE.start_main_~x~4)), 41150#(and (<= 73 ULTIMATE.start_main_~x~4) (<= 26 ULTIMATE.start_main_~y~4)), 41151#(and (<= 74 ULTIMATE.start_main_~x~4) (<= 26 ULTIMATE.start_main_~y~4)), 41152#(and (<= 74 ULTIMATE.start_main_~x~4) (<= 25 ULTIMATE.start_main_~y~4)), 41153#(and (<= 75 ULTIMATE.start_main_~x~4) (<= 25 ULTIMATE.start_main_~y~4)), 41154#(and (<= 24 ULTIMATE.start_main_~y~4) (<= 75 ULTIMATE.start_main_~x~4)), 41155#(and (<= 24 ULTIMATE.start_main_~y~4) (<= 76 ULTIMATE.start_main_~x~4)), 41156#(and (<= 23 ULTIMATE.start_main_~y~4) (<= 76 ULTIMATE.start_main_~x~4)), 41157#(and (<= 77 ULTIMATE.start_main_~x~4) (<= 23 ULTIMATE.start_main_~y~4)), 41158#(and (<= 77 ULTIMATE.start_main_~x~4) (<= 22 ULTIMATE.start_main_~y~4)), 41159#(and (<= 78 ULTIMATE.start_main_~x~4) (<= 22 ULTIMATE.start_main_~y~4)), 41160#(and (<= 21 ULTIMATE.start_main_~y~4) (<= 78 ULTIMATE.start_main_~x~4)), 41161#(and (<= 79 ULTIMATE.start_main_~x~4) (<= 21 ULTIMATE.start_main_~y~4)), 41162#(and (<= 79 ULTIMATE.start_main_~x~4) (<= 20 ULTIMATE.start_main_~y~4)), 41163#(and (<= 20 ULTIMATE.start_main_~y~4) (<= 80 ULTIMATE.start_main_~x~4)), 41164#(and (<= 19 ULTIMATE.start_main_~y~4) (<= 80 ULTIMATE.start_main_~x~4)), 41165#(and (<= 19 ULTIMATE.start_main_~y~4) (<= 81 ULTIMATE.start_main_~x~4)), 41166#(and (<= 18 ULTIMATE.start_main_~y~4) (<= 81 ULTIMATE.start_main_~x~4)), 41167#(and (<= 18 ULTIMATE.start_main_~y~4) (<= 82 ULTIMATE.start_main_~x~4)), 41168#(and (<= 82 ULTIMATE.start_main_~x~4) (<= 17 ULTIMATE.start_main_~y~4)), 41169#(and (<= 83 ULTIMATE.start_main_~x~4) (<= 17 ULTIMATE.start_main_~y~4)), 41170#(and (<= 83 ULTIMATE.start_main_~x~4) (<= 16 ULTIMATE.start_main_~y~4)), 41171#(and (<= 16 ULTIMATE.start_main_~y~4) (<= 84 ULTIMATE.start_main_~x~4)), 41172#(and (<= 84 ULTIMATE.start_main_~x~4) (<= 15 ULTIMATE.start_main_~y~4)), 41173#(and (<= 85 ULTIMATE.start_main_~x~4) (<= 15 ULTIMATE.start_main_~y~4)), 41174#(<= 14 ULTIMATE.start_main_~y~4), 41175#(<= 1 ULTIMATE.start_main_~y~4)] [2018-07-23 13:42:15,307 INFO L134 CoverageAnalysis]: Checked inductivity of 7482 backedges. 0 proven. 7482 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2018-07-23 13:42:15,308 INFO L450 AbstractCegarLoop]: Interpolant automaton has 175 states [2018-07-23 13:42:15,308 INFO L132 InterpolantAutomaton]: Constructing interpolant automaton starting with 175 interpolants. [2018-07-23 13:42:15,310 INFO L133 InterpolantAutomaton]: CoverageRelationStatistics Valid=782, Invalid=29668, Unknown=0, NotChecked=0, Total=30450 [2018-07-23 13:42:15,310 INFO L87 Difference]: Start difference. First operand 177 states and 177 transitions. Second operand 175 states. [2018-07-23 13:42:16,523 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2018-07-23 13:42:16,523 INFO L93 Difference]: Finished difference Result 182 states and 182 transitions. [2018-07-23 13:42:16,523 INFO L142 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 175 states. [2018-07-23 13:42:16,523 INFO L78 Accepts]: Start accepts. Automaton has 175 states. Word has length 176 [2018-07-23 13:42:16,523 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2018-07-23 13:42:16,524 INFO L225 Difference]: With dead ends: 182 [2018-07-23 13:42:16,524 INFO L226 Difference]: Without dead ends: 180 [2018-07-23 13:42:16,525 INFO L575 BasicCegarLoop]: 0 DeclaredPredicates, 176 GetRequests, 1 SyntacticMatches, 1 SemanticMatches, 174 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 8979 ImplicationChecksByTransitivity, 1.1s TimeCoverageRelationStatistics Valid=788, Invalid=30012, Unknown=0, NotChecked=0, Total=30800 [2018-07-23 13:42:16,525 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 180 states. [2018-07-23 13:42:16,547 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 180 to 179. [2018-07-23 13:42:16,547 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 179 states. [2018-07-23 13:42:16,547 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 179 states to 179 states and 179 transitions. [2018-07-23 13:42:16,547 INFO L78 Accepts]: Start accepts. Automaton has 179 states and 179 transitions. Word has length 176 [2018-07-23 13:42:16,548 INFO L84 Accepts]: Finished accepts. word is rejected. [2018-07-23 13:42:16,548 INFO L471 AbstractCegarLoop]: Abstraction has 179 states and 179 transitions. [2018-07-23 13:42:16,548 INFO L472 AbstractCegarLoop]: Interpolant automaton has 175 states. [2018-07-23 13:42:16,548 INFO L276 IsEmpty]: Start isEmpty. Operand 179 states and 179 transitions. [2018-07-23 13:42:16,549 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 179 [2018-07-23 13:42:16,549 INFO L349 BasicCegarLoop]: Found error trace [2018-07-23 13:42:16,549 INFO L357 BasicCegarLoop]: trace histogram [88, 87, 1, 1, 1] [2018-07-23 13:42:16,549 INFO L414 AbstractCegarLoop]: === Iteration 88 === [ULTIMATE.startErr0AssertViolationASSERT]=== [2018-07-23 13:42:16,549 INFO L82 PathProgramCache]: Analyzing trace with hash 1105145506, now seen corresponding path program 87 times [2018-07-23 13:42:16,549 INFO L69 tionRefinementEngine]: Using refinement strategy FixedRefinementStrategy [2018-07-23 13:42:16,579 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-07-23 13:42:17,864 INFO L134 CoverageAnalysis]: Checked inductivity of 7656 backedges. 0 proven. 7656 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2018-07-23 13:42:17,864 INFO L309 seRefinementStrategy]: Constructing automaton from 0 perfect and 1 imperfect interpolant sequences. [2018-07-23 13:42:17,864 INFO L324 seRefinementStrategy]: Number of different interpolants: perfect sequences [] imperfect sequences [176] total 176 [2018-07-23 13:42:17,865 INFO L142 lantAutomatonBuilder]: Constructing canonical interpolant automaton, with selfloop in false state [2018-07-23 13:42:17,865 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2018-07-23 13:42:17,865 INFO L185 omatonBuilderFactory]: Interpolants [41984#(and (<= ULTIMATE.start_main_~x~4 41) (<= 41 ULTIMATE.start_main_~x~4) (<= 41 ULTIMATE.start_main_~y~4)), 41985#(and (<= ULTIMATE.start_main_~x~4 41) (<= 41 ULTIMATE.start_main_~x~4) (<= 42 ULTIMATE.start_main_~y~4)), 41986#(and (<= 42 ULTIMATE.start_main_~y~4) (<= ULTIMATE.start_main_~x~4 42) (<= 42 ULTIMATE.start_main_~x~4)), 41987#(and (<= 43 ULTIMATE.start_main_~y~4) (<= ULTIMATE.start_main_~x~4 42) (<= 42 ULTIMATE.start_main_~x~4)), 41988#(and (<= 43 ULTIMATE.start_main_~y~4) (<= ULTIMATE.start_main_~x~4 43) (<= 43 ULTIMATE.start_main_~x~4)), 41989#(and (<= ULTIMATE.start_main_~x~4 43) (<= 44 ULTIMATE.start_main_~y~4) (<= 43 ULTIMATE.start_main_~x~4)), 41990#(and (<= 44 ULTIMATE.start_main_~x~4) (<= ULTIMATE.start_main_~x~4 44) (<= 44 ULTIMATE.start_main_~y~4)), 41991#(and (<= 44 ULTIMATE.start_main_~x~4) (<= ULTIMATE.start_main_~x~4 44) (<= 45 ULTIMATE.start_main_~y~4)), 41992#(and (<= 45 ULTIMATE.start_main_~y~4) (<= 45 ULTIMATE.start_main_~x~4) (<= ULTIMATE.start_main_~x~4 45)), 41993#(and (<= 46 ULTIMATE.start_main_~y~4) (<= 45 ULTIMATE.start_main_~x~4) (<= ULTIMATE.start_main_~x~4 45)), 41994#(and (<= ULTIMATE.start_main_~x~4 46) (<= 46 ULTIMATE.start_main_~x~4) (<= 46 ULTIMATE.start_main_~y~4)), 41995#(and (<= ULTIMATE.start_main_~x~4 46) (<= 47 ULTIMATE.start_main_~y~4) (<= 46 ULTIMATE.start_main_~x~4)), 41996#(and (<= 47 ULTIMATE.start_main_~y~4) (<= 47 ULTIMATE.start_main_~x~4) (<= ULTIMATE.start_main_~x~4 47)), 41997#(and (<= 48 ULTIMATE.start_main_~y~4) (<= 47 ULTIMATE.start_main_~x~4) (<= ULTIMATE.start_main_~x~4 47)), 41998#(and (<= 48 ULTIMATE.start_main_~x~4) (<= 48 ULTIMATE.start_main_~y~4) (<= ULTIMATE.start_main_~x~4 48)), 41999#(and (<= 48 ULTIMATE.start_main_~x~4) (<= 49 ULTIMATE.start_main_~y~4) (<= ULTIMATE.start_main_~x~4 48)), 42000#(and (<= 49 ULTIMATE.start_main_~x~4) (<= 49 ULTIMATE.start_main_~y~4) (<= ULTIMATE.start_main_~x~4 49)), 42001#(and (<= 49 ULTIMATE.start_main_~x~4) (<= 50 ULTIMATE.start_main_~y~4)), 42002#(and (<= 50 ULTIMATE.start_main_~x~4) (<= 50 ULTIMATE.start_main_~y~4)), 42003#(and (<= 50 ULTIMATE.start_main_~x~4) (<= 49 ULTIMATE.start_main_~y~4)), 42004#(and (<= 51 ULTIMATE.start_main_~x~4) (<= 49 ULTIMATE.start_main_~y~4)), 42005#(and (<= 51 ULTIMATE.start_main_~x~4) (<= 48 ULTIMATE.start_main_~y~4)), 42006#(and (<= 52 ULTIMATE.start_main_~x~4) (<= 48 ULTIMATE.start_main_~y~4)), 42007#(and (<= 52 ULTIMATE.start_main_~x~4) (<= 47 ULTIMATE.start_main_~y~4)), 42008#(and (<= 47 ULTIMATE.start_main_~y~4) (<= 53 ULTIMATE.start_main_~x~4)), 42009#(and (<= 53 ULTIMATE.start_main_~x~4) (<= 46 ULTIMATE.start_main_~y~4)), 42010#(and (<= 54 ULTIMATE.start_main_~x~4) (<= 46 ULTIMATE.start_main_~y~4)), 42011#(and (<= 45 ULTIMATE.start_main_~y~4) (<= 54 ULTIMATE.start_main_~x~4)), 42012#(and (<= 45 ULTIMATE.start_main_~y~4) (<= 55 ULTIMATE.start_main_~x~4)), 42013#(and (<= 55 ULTIMATE.start_main_~x~4) (<= 44 ULTIMATE.start_main_~y~4)), 42014#(and (<= 56 ULTIMATE.start_main_~x~4) (<= 44 ULTIMATE.start_main_~y~4)), 42015#(and (<= 56 ULTIMATE.start_main_~x~4) (<= 43 ULTIMATE.start_main_~y~4)), 42016#(and (<= 43 ULTIMATE.start_main_~y~4) (<= 57 ULTIMATE.start_main_~x~4)), 42017#(and (<= 42 ULTIMATE.start_main_~y~4) (<= 57 ULTIMATE.start_main_~x~4)), 42018#(and (<= 58 ULTIMATE.start_main_~x~4) (<= 42 ULTIMATE.start_main_~y~4)), 42019#(and (<= 58 ULTIMATE.start_main_~x~4) (<= 41 ULTIMATE.start_main_~y~4)), 42020#(and (<= 41 ULTIMATE.start_main_~y~4) (<= 59 ULTIMATE.start_main_~x~4)), 42021#(and (<= 40 ULTIMATE.start_main_~y~4) (<= 59 ULTIMATE.start_main_~x~4)), 42022#(and (<= 60 ULTIMATE.start_main_~x~4) (<= 40 ULTIMATE.start_main_~y~4)), 42023#(and (<= 39 ULTIMATE.start_main_~y~4) (<= 60 ULTIMATE.start_main_~x~4)), 42024#(and (<= 61 ULTIMATE.start_main_~x~4) (<= 39 ULTIMATE.start_main_~y~4)), 42025#(and (<= 61 ULTIMATE.start_main_~x~4) (<= 38 ULTIMATE.start_main_~y~4)), 42026#(and (<= 38 ULTIMATE.start_main_~y~4) (<= 62 ULTIMATE.start_main_~x~4)), 42027#(and (<= 37 ULTIMATE.start_main_~y~4) (<= 62 ULTIMATE.start_main_~x~4)), 42028#(and (<= 63 ULTIMATE.start_main_~x~4) (<= 37 ULTIMATE.start_main_~y~4)), 42029#(and (<= 63 ULTIMATE.start_main_~x~4) (<= 36 ULTIMATE.start_main_~y~4)), 42030#(and (<= 64 ULTIMATE.start_main_~x~4) (<= 36 ULTIMATE.start_main_~y~4)), 42031#(and (<= 35 ULTIMATE.start_main_~y~4) (<= 64 ULTIMATE.start_main_~x~4)), 42032#(and (<= 35 ULTIMATE.start_main_~y~4) (<= 65 ULTIMATE.start_main_~x~4)), 42033#(and (<= 34 ULTIMATE.start_main_~y~4) (<= 65 ULTIMATE.start_main_~x~4)), 42034#(and (<= 66 ULTIMATE.start_main_~x~4) (<= 34 ULTIMATE.start_main_~y~4)), 42035#(and (<= 66 ULTIMATE.start_main_~x~4) (<= 33 ULTIMATE.start_main_~y~4)), 42036#(and (<= 67 ULTIMATE.start_main_~x~4) (<= 33 ULTIMATE.start_main_~y~4)), 42037#(and (<= 67 ULTIMATE.start_main_~x~4) (<= 32 ULTIMATE.start_main_~y~4)), 42038#(and (<= 32 ULTIMATE.start_main_~y~4) (<= 68 ULTIMATE.start_main_~x~4)), 42039#(and (<= 31 ULTIMATE.start_main_~y~4) (<= 68 ULTIMATE.start_main_~x~4)), 42040#(and (<= 31 ULTIMATE.start_main_~y~4) (<= 69 ULTIMATE.start_main_~x~4)), 42041#(and (<= 30 ULTIMATE.start_main_~y~4) (<= 69 ULTIMATE.start_main_~x~4)), 42042#(and (<= 70 ULTIMATE.start_main_~x~4) (<= 30 ULTIMATE.start_main_~y~4)), 42043#(and (<= 70 ULTIMATE.start_main_~x~4) (<= 29 ULTIMATE.start_main_~y~4)), 42044#(and (<= 71 ULTIMATE.start_main_~x~4) (<= 29 ULTIMATE.start_main_~y~4)), 42045#(and (<= 71 ULTIMATE.start_main_~x~4) (<= 28 ULTIMATE.start_main_~y~4)), 42046#(and (<= 72 ULTIMATE.start_main_~x~4) (<= 28 ULTIMATE.start_main_~y~4)), 42047#(and (<= 72 ULTIMATE.start_main_~x~4) (<= 27 ULTIMATE.start_main_~y~4)), 42048#(and (<= 27 ULTIMATE.start_main_~y~4) (<= 73 ULTIMATE.start_main_~x~4)), 42049#(and (<= 73 ULTIMATE.start_main_~x~4) (<= 26 ULTIMATE.start_main_~y~4)), 42050#(and (<= 74 ULTIMATE.start_main_~x~4) (<= 26 ULTIMATE.start_main_~y~4)), 42051#(and (<= 74 ULTIMATE.start_main_~x~4) (<= 25 ULTIMATE.start_main_~y~4)), 42052#(and (<= 75 ULTIMATE.start_main_~x~4) (<= 25 ULTIMATE.start_main_~y~4)), 42053#(and (<= 24 ULTIMATE.start_main_~y~4) (<= 75 ULTIMATE.start_main_~x~4)), 42054#(and (<= 24 ULTIMATE.start_main_~y~4) (<= 76 ULTIMATE.start_main_~x~4)), 42055#(and (<= 23 ULTIMATE.start_main_~y~4) (<= 76 ULTIMATE.start_main_~x~4)), 42056#(and (<= 77 ULTIMATE.start_main_~x~4) (<= 23 ULTIMATE.start_main_~y~4)), 42057#(and (<= 77 ULTIMATE.start_main_~x~4) (<= 22 ULTIMATE.start_main_~y~4)), 42058#(and (<= 78 ULTIMATE.start_main_~x~4) (<= 22 ULTIMATE.start_main_~y~4)), 42059#(and (<= 21 ULTIMATE.start_main_~y~4) (<= 78 ULTIMATE.start_main_~x~4)), 42060#(and (<= 79 ULTIMATE.start_main_~x~4) (<= 21 ULTIMATE.start_main_~y~4)), 42061#(and (<= 79 ULTIMATE.start_main_~x~4) (<= 20 ULTIMATE.start_main_~y~4)), 42062#(and (<= 20 ULTIMATE.start_main_~y~4) (<= 80 ULTIMATE.start_main_~x~4)), 42063#(and (<= 19 ULTIMATE.start_main_~y~4) (<= 80 ULTIMATE.start_main_~x~4)), 42064#(and (<= 19 ULTIMATE.start_main_~y~4) (<= 81 ULTIMATE.start_main_~x~4)), 42065#(and (<= 18 ULTIMATE.start_main_~y~4) (<= 81 ULTIMATE.start_main_~x~4)), 42066#(and (<= 18 ULTIMATE.start_main_~y~4) (<= 82 ULTIMATE.start_main_~x~4)), 42067#(and (<= 82 ULTIMATE.start_main_~x~4) (<= 17 ULTIMATE.start_main_~y~4)), 42068#(and (<= 83 ULTIMATE.start_main_~x~4) (<= 17 ULTIMATE.start_main_~y~4)), 42069#(and (<= 83 ULTIMATE.start_main_~x~4) (<= 16 ULTIMATE.start_main_~y~4)), 42070#(and (<= 16 ULTIMATE.start_main_~y~4) (<= 84 ULTIMATE.start_main_~x~4)), 42071#(and (<= 84 ULTIMATE.start_main_~x~4) (<= 15 ULTIMATE.start_main_~y~4)), 42072#(and (<= 85 ULTIMATE.start_main_~x~4) (<= 15 ULTIMATE.start_main_~y~4)), 42073#(and (<= 14 ULTIMATE.start_main_~y~4) (<= 85 ULTIMATE.start_main_~x~4)), 42074#(and (<= 14 ULTIMATE.start_main_~y~4) (<= 86 ULTIMATE.start_main_~x~4)), 42075#(<= 13 ULTIMATE.start_main_~y~4), 42076#(<= 1 ULTIMATE.start_main_~y~4), 41900#true, 41901#false, 41902#(and (<= 0 ULTIMATE.start_main_~y~4) (<= ULTIMATE.start_main_~x~4 0) (<= 0 ULTIMATE.start_main_~x~4)), 41903#(and (<= ULTIMATE.start_main_~x~4 0) (<= 0 ULTIMATE.start_main_~x~4) (<= 1 ULTIMATE.start_main_~y~4)), 41904#(and (<= ULTIMATE.start_main_~x~4 1) (<= 1 ULTIMATE.start_main_~y~4) (<= 1 ULTIMATE.start_main_~x~4)), 41905#(and (<= 2 ULTIMATE.start_main_~y~4) (<= ULTIMATE.start_main_~x~4 1) (<= 1 ULTIMATE.start_main_~x~4)), 41906#(and (<= 2 ULTIMATE.start_main_~y~4) (<= 2 ULTIMATE.start_main_~x~4) (<= ULTIMATE.start_main_~x~4 2)), 41907#(and (<= 3 ULTIMATE.start_main_~y~4) (<= 2 ULTIMATE.start_main_~x~4) (<= ULTIMATE.start_main_~x~4 2)), 41908#(and (<= 3 ULTIMATE.start_main_~x~4) (<= 3 ULTIMATE.start_main_~y~4) (<= ULTIMATE.start_main_~x~4 3)), 41909#(and (<= 3 ULTIMATE.start_main_~x~4) (<= 4 ULTIMATE.start_main_~y~4) (<= ULTIMATE.start_main_~x~4 3)), 41910#(and (<= 4 ULTIMATE.start_main_~y~4) (<= ULTIMATE.start_main_~x~4 4) (<= 4 ULTIMATE.start_main_~x~4)), 41911#(and (<= 5 ULTIMATE.start_main_~y~4) (<= ULTIMATE.start_main_~x~4 4) (<= 4 ULTIMATE.start_main_~x~4)), 41912#(and (<= ULTIMATE.start_main_~x~4 5) (<= 5 ULTIMATE.start_main_~y~4) (<= 5 ULTIMATE.start_main_~x~4)), 41913#(and (<= ULTIMATE.start_main_~x~4 5) (<= 6 ULTIMATE.start_main_~y~4) (<= 5 ULTIMATE.start_main_~x~4)), 41914#(and (<= 6 ULTIMATE.start_main_~x~4) (<= 6 ULTIMATE.start_main_~y~4) (<= ULTIMATE.start_main_~x~4 6)), 41915#(and (<= 6 ULTIMATE.start_main_~x~4) (<= 7 ULTIMATE.start_main_~y~4) (<= ULTIMATE.start_main_~x~4 6)), 41916#(and (<= ULTIMATE.start_main_~x~4 7) (<= 7 ULTIMATE.start_main_~y~4) (<= 7 ULTIMATE.start_main_~x~4)), 41917#(and (<= ULTIMATE.start_main_~x~4 7) (<= 7 ULTIMATE.start_main_~x~4) (<= 8 ULTIMATE.start_main_~y~4)), 41918#(and (<= ULTIMATE.start_main_~x~4 8) (<= 8 ULTIMATE.start_main_~y~4) (<= 8 ULTIMATE.start_main_~x~4)), 41919#(and (<= ULTIMATE.start_main_~x~4 8) (<= 8 ULTIMATE.start_main_~x~4) (<= 9 ULTIMATE.start_main_~y~4)), 41920#(and (<= 9 ULTIMATE.start_main_~x~4) (<= ULTIMATE.start_main_~x~4 9) (<= 9 ULTIMATE.start_main_~y~4)), 41921#(and (<= 9 ULTIMATE.start_main_~x~4) (<= 10 ULTIMATE.start_main_~y~4) (<= ULTIMATE.start_main_~x~4 9)), 41922#(and (<= ULTIMATE.start_main_~x~4 10) (<= 10 ULTIMATE.start_main_~y~4) (<= 10 ULTIMATE.start_main_~x~4)), 41923#(and (<= ULTIMATE.start_main_~x~4 10) (<= 11 ULTIMATE.start_main_~y~4) (<= 10 ULTIMATE.start_main_~x~4)), 41924#(and (<= ULTIMATE.start_main_~x~4 11) (<= 11 ULTIMATE.start_main_~x~4) (<= 11 ULTIMATE.start_main_~y~4)), 41925#(and (<= ULTIMATE.start_main_~x~4 11) (<= 11 ULTIMATE.start_main_~x~4) (<= 12 ULTIMATE.start_main_~y~4)), 41926#(and (<= 12 ULTIMATE.start_main_~x~4) (<= 12 ULTIMATE.start_main_~y~4) (<= ULTIMATE.start_main_~x~4 12)), 41927#(and (<= 12 ULTIMATE.start_main_~x~4) (<= 13 ULTIMATE.start_main_~y~4) (<= ULTIMATE.start_main_~x~4 12)), 41928#(and (<= 13 ULTIMATE.start_main_~y~4) (<= ULTIMATE.start_main_~x~4 13) (<= 13 ULTIMATE.start_main_~x~4)), 41929#(and (<= 14 ULTIMATE.start_main_~y~4) (<= ULTIMATE.start_main_~x~4 13) (<= 13 ULTIMATE.start_main_~x~4)), 41930#(and (<= 14 ULTIMATE.start_main_~y~4) (<= 14 ULTIMATE.start_main_~x~4) (<= ULTIMATE.start_main_~x~4 14)), 41931#(and (<= 14 ULTIMATE.start_main_~x~4) (<= ULTIMATE.start_main_~x~4 14) (<= 15 ULTIMATE.start_main_~y~4)), 41932#(and (<= 15 ULTIMATE.start_main_~x~4) (<= 15 ULTIMATE.start_main_~y~4) (<= ULTIMATE.start_main_~x~4 15)), 41933#(and (<= 15 ULTIMATE.start_main_~x~4) (<= 16 ULTIMATE.start_main_~y~4) (<= ULTIMATE.start_main_~x~4 15)), 41934#(and (<= ULTIMATE.start_main_~x~4 16) (<= 16 ULTIMATE.start_main_~x~4) (<= 16 ULTIMATE.start_main_~y~4)), 41935#(and (<= ULTIMATE.start_main_~x~4 16) (<= 16 ULTIMATE.start_main_~x~4) (<= 17 ULTIMATE.start_main_~y~4)), 41936#(and (<= ULTIMATE.start_main_~x~4 17) (<= 17 ULTIMATE.start_main_~y~4) (<= 17 ULTIMATE.start_main_~x~4)), 41937#(and (<= 18 ULTIMATE.start_main_~y~4) (<= ULTIMATE.start_main_~x~4 17) (<= 17 ULTIMATE.start_main_~x~4)), 41938#(and (<= 18 ULTIMATE.start_main_~y~4) (<= 18 ULTIMATE.start_main_~x~4) (<= ULTIMATE.start_main_~x~4 18)), 41939#(and (<= 18 ULTIMATE.start_main_~x~4) (<= ULTIMATE.start_main_~x~4 18) (<= 19 ULTIMATE.start_main_~y~4)), 41940#(and (<= 19 ULTIMATE.start_main_~y~4) (<= 19 ULTIMATE.start_main_~x~4) (<= ULTIMATE.start_main_~x~4 19)), 41941#(and (<= 20 ULTIMATE.start_main_~y~4) (<= 19 ULTIMATE.start_main_~x~4) (<= ULTIMATE.start_main_~x~4 19)), 41942#(and (<= 20 ULTIMATE.start_main_~x~4) (<= 20 ULTIMATE.start_main_~y~4) (<= ULTIMATE.start_main_~x~4 20)), 41943#(and (<= 20 ULTIMATE.start_main_~x~4) (<= 21 ULTIMATE.start_main_~y~4) (<= ULTIMATE.start_main_~x~4 20)), 41944#(and (<= ULTIMATE.start_main_~x~4 21) (<= 21 ULTIMATE.start_main_~y~4) (<= 21 ULTIMATE.start_main_~x~4)), 41945#(and (<= ULTIMATE.start_main_~x~4 21) (<= 21 ULTIMATE.start_main_~x~4) (<= 22 ULTIMATE.start_main_~y~4)), 41946#(and (<= ULTIMATE.start_main_~x~4 22) (<= 22 ULTIMATE.start_main_~x~4) (<= 22 ULTIMATE.start_main_~y~4)), 41947#(and (<= 23 ULTIMATE.start_main_~y~4) (<= ULTIMATE.start_main_~x~4 22) (<= 22 ULTIMATE.start_main_~x~4)), 41948#(and (<= ULTIMATE.start_main_~x~4 23) (<= 23 ULTIMATE.start_main_~x~4) (<= 23 ULTIMATE.start_main_~y~4)), 41949#(and (<= ULTIMATE.start_main_~x~4 23) (<= 23 ULTIMATE.start_main_~x~4) (<= 24 ULTIMATE.start_main_~y~4)), 41950#(and (<= 24 ULTIMATE.start_main_~y~4) (<= ULTIMATE.start_main_~x~4 24) (<= 24 ULTIMATE.start_main_~x~4)), 41951#(and (<= 25 ULTIMATE.start_main_~y~4) (<= ULTIMATE.start_main_~x~4 24) (<= 24 ULTIMATE.start_main_~x~4)), 41952#(and (<= 25 ULTIMATE.start_main_~y~4) (<= ULTIMATE.start_main_~x~4 25) (<= 25 ULTIMATE.start_main_~x~4)), 41953#(and (<= ULTIMATE.start_main_~x~4 25) (<= 26 ULTIMATE.start_main_~y~4) (<= 25 ULTIMATE.start_main_~x~4)), 41954#(and (<= ULTIMATE.start_main_~x~4 26) (<= 26 ULTIMATE.start_main_~y~4) (<= 26 ULTIMATE.start_main_~x~4)), 41955#(and (<= ULTIMATE.start_main_~x~4 26) (<= 27 ULTIMATE.start_main_~y~4) (<= 26 ULTIMATE.start_main_~x~4)), 41956#(and (<= ULTIMATE.start_main_~x~4 27) (<= 27 ULTIMATE.start_main_~y~4) (<= 27 ULTIMATE.start_main_~x~4)), 41957#(and (<= ULTIMATE.start_main_~x~4 27) (<= 27 ULTIMATE.start_main_~x~4) (<= 28 ULTIMATE.start_main_~y~4)), 41958#(and (<= ULTIMATE.start_main_~x~4 28) (<= 28 ULTIMATE.start_main_~y~4) (<= 28 ULTIMATE.start_main_~x~4)), 41959#(and (<= ULTIMATE.start_main_~x~4 28) (<= 29 ULTIMATE.start_main_~y~4) (<= 28 ULTIMATE.start_main_~x~4)), 41960#(and (<= 29 ULTIMATE.start_main_~x~4) (<= 29 ULTIMATE.start_main_~y~4) (<= ULTIMATE.start_main_~x~4 29)), 41961#(and (<= 29 ULTIMATE.start_main_~x~4) (<= 30 ULTIMATE.start_main_~y~4) (<= ULTIMATE.start_main_~x~4 29)), 41962#(and (<= ULTIMATE.start_main_~x~4 30) (<= 30 ULTIMATE.start_main_~y~4) (<= 30 ULTIMATE.start_main_~x~4)), 41963#(and (<= ULTIMATE.start_main_~x~4 30) (<= 31 ULTIMATE.start_main_~y~4) (<= 30 ULTIMATE.start_main_~x~4)), 41964#(and (<= ULTIMATE.start_main_~x~4 31) (<= 31 ULTIMATE.start_main_~y~4) (<= 31 ULTIMATE.start_main_~x~4)), 41965#(and (<= ULTIMATE.start_main_~x~4 31) (<= 32 ULTIMATE.start_main_~y~4) (<= 31 ULTIMATE.start_main_~x~4)), 41966#(and (<= ULTIMATE.start_main_~x~4 32) (<= 32 ULTIMATE.start_main_~y~4) (<= 32 ULTIMATE.start_main_~x~4)), 41967#(and (<= ULTIMATE.start_main_~x~4 32) (<= 33 ULTIMATE.start_main_~y~4) (<= 32 ULTIMATE.start_main_~x~4)), 41968#(and (<= ULTIMATE.start_main_~x~4 33) (<= 33 ULTIMATE.start_main_~y~4) (<= 33 ULTIMATE.start_main_~x~4)), 41969#(and (<= ULTIMATE.start_main_~x~4 33) (<= 33 ULTIMATE.start_main_~x~4) (<= 34 ULTIMATE.start_main_~y~4)), 41970#(and (<= 34 ULTIMATE.start_main_~x~4) (<= ULTIMATE.start_main_~x~4 34) (<= 34 ULTIMATE.start_main_~y~4)), 41971#(and (<= 34 ULTIMATE.start_main_~x~4) (<= ULTIMATE.start_main_~x~4 34) (<= 35 ULTIMATE.start_main_~y~4)), 41972#(and (<= ULTIMATE.start_main_~x~4 35) (<= 35 ULTIMATE.start_main_~y~4) (<= 35 ULTIMATE.start_main_~x~4)), 41973#(and (<= ULTIMATE.start_main_~x~4 35) (<= 35 ULTIMATE.start_main_~x~4) (<= 36 ULTIMATE.start_main_~y~4)), 41974#(and (<= 36 ULTIMATE.start_main_~x~4) (<= ULTIMATE.start_main_~x~4 36) (<= 36 ULTIMATE.start_main_~y~4)), 41975#(and (<= 36 ULTIMATE.start_main_~x~4) (<= 37 ULTIMATE.start_main_~y~4) (<= ULTIMATE.start_main_~x~4 36)), 41976#(and (<= 37 ULTIMATE.start_main_~y~4) (<= ULTIMATE.start_main_~x~4 37) (<= 37 ULTIMATE.start_main_~x~4)), 41977#(and (<= ULTIMATE.start_main_~x~4 37) (<= 38 ULTIMATE.start_main_~y~4) (<= 37 ULTIMATE.start_main_~x~4)), 41978#(and (<= 38 ULTIMATE.start_main_~x~4) (<= ULTIMATE.start_main_~x~4 38) (<= 38 ULTIMATE.start_main_~y~4)), 41979#(and (<= 38 ULTIMATE.start_main_~x~4) (<= 39 ULTIMATE.start_main_~y~4) (<= ULTIMATE.start_main_~x~4 38)), 41980#(and (<= 39 ULTIMATE.start_main_~y~4) (<= ULTIMATE.start_main_~x~4 39) (<= 39 ULTIMATE.start_main_~x~4)), 41981#(and (<= ULTIMATE.start_main_~x~4 39) (<= 39 ULTIMATE.start_main_~x~4) (<= 40 ULTIMATE.start_main_~y~4)), 41982#(and (<= ULTIMATE.start_main_~x~4 40) (<= 40 ULTIMATE.start_main_~x~4) (<= 40 ULTIMATE.start_main_~y~4)), 41983#(and (<= ULTIMATE.start_main_~x~4 40) (<= 40 ULTIMATE.start_main_~x~4) (<= 41 ULTIMATE.start_main_~y~4))] [2018-07-23 13:42:17,866 INFO L134 CoverageAnalysis]: Checked inductivity of 7656 backedges. 0 proven. 7656 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2018-07-23 13:42:17,867 INFO L450 AbstractCegarLoop]: Interpolant automaton has 177 states [2018-07-23 13:42:17,867 INFO L132 InterpolantAutomaton]: Constructing interpolant automaton starting with 177 interpolants. [2018-07-23 13:42:17,869 INFO L133 InterpolantAutomaton]: CoverageRelationStatistics Valid=794, Invalid=30358, Unknown=0, NotChecked=0, Total=31152 [2018-07-23 13:42:17,869 INFO L87 Difference]: Start difference. First operand 179 states and 179 transitions. Second operand 177 states. [2018-07-23 13:42:19,016 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2018-07-23 13:42:19,016 INFO L93 Difference]: Finished difference Result 184 states and 184 transitions. [2018-07-23 13:42:19,016 INFO L142 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 177 states. [2018-07-23 13:42:19,016 INFO L78 Accepts]: Start accepts. Automaton has 177 states. Word has length 178 [2018-07-23 13:42:19,016 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2018-07-23 13:42:19,017 INFO L225 Difference]: With dead ends: 184 [2018-07-23 13:42:19,017 INFO L226 Difference]: Without dead ends: 182 [2018-07-23 13:42:19,018 INFO L575 BasicCegarLoop]: 0 DeclaredPredicates, 178 GetRequests, 1 SyntacticMatches, 1 SemanticMatches, 176 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 9229 ImplicationChecksByTransitivity, 1.0s TimeCoverageRelationStatistics Valid=800, Invalid=30706, Unknown=0, NotChecked=0, Total=31506 [2018-07-23 13:42:19,019 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 182 states. [2018-07-23 13:42:19,041 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 182 to 181. [2018-07-23 13:42:19,041 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 181 states. [2018-07-23 13:42:19,042 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 181 states to 181 states and 181 transitions. [2018-07-23 13:42:19,042 INFO L78 Accepts]: Start accepts. Automaton has 181 states and 181 transitions. Word has length 178 [2018-07-23 13:42:19,042 INFO L84 Accepts]: Finished accepts. word is rejected. [2018-07-23 13:42:19,042 INFO L471 AbstractCegarLoop]: Abstraction has 181 states and 181 transitions. [2018-07-23 13:42:19,042 INFO L472 AbstractCegarLoop]: Interpolant automaton has 177 states. [2018-07-23 13:42:19,042 INFO L276 IsEmpty]: Start isEmpty. Operand 181 states and 181 transitions. [2018-07-23 13:42:19,043 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 181 [2018-07-23 13:42:19,043 INFO L349 BasicCegarLoop]: Found error trace [2018-07-23 13:42:19,043 INFO L357 BasicCegarLoop]: trace histogram [89, 88, 1, 1, 1] [2018-07-23 13:42:19,043 INFO L414 AbstractCegarLoop]: === Iteration 89 === [ULTIMATE.startErr0AssertViolationASSERT]=== [2018-07-23 13:42:19,043 INFO L82 PathProgramCache]: Analyzing trace with hash 1187972936, now seen corresponding path program 88 times [2018-07-23 13:42:19,043 INFO L69 tionRefinementEngine]: Using refinement strategy FixedRefinementStrategy [2018-07-23 13:42:19,068 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-07-23 13:42:20,480 INFO L134 CoverageAnalysis]: Checked inductivity of 7832 backedges. 0 proven. 7832 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2018-07-23 13:42:20,480 INFO L309 seRefinementStrategy]: Constructing automaton from 0 perfect and 1 imperfect interpolant sequences. [2018-07-23 13:42:20,480 INFO L324 seRefinementStrategy]: Number of different interpolants: perfect sequences [] imperfect sequences [178] total 178 [2018-07-23 13:42:20,480 INFO L142 lantAutomatonBuilder]: Constructing canonical interpolant automaton, with selfloop in false state [2018-07-23 13:42:20,481 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2018-07-23 13:42:20,481 INFO L185 omatonBuilderFactory]: Interpolants [42809#true, 42810#false, 42811#(and (<= 0 ULTIMATE.start_main_~y~4) (<= ULTIMATE.start_main_~x~4 0) (<= 0 ULTIMATE.start_main_~x~4)), 42812#(and (<= ULTIMATE.start_main_~x~4 0) (<= 0 ULTIMATE.start_main_~x~4) (<= 1 ULTIMATE.start_main_~y~4)), 42813#(and (<= ULTIMATE.start_main_~x~4 1) (<= 1 ULTIMATE.start_main_~y~4) (<= 1 ULTIMATE.start_main_~x~4)), 42814#(and (<= 2 ULTIMATE.start_main_~y~4) (<= ULTIMATE.start_main_~x~4 1) (<= 1 ULTIMATE.start_main_~x~4)), 42815#(and (<= 2 ULTIMATE.start_main_~y~4) (<= 2 ULTIMATE.start_main_~x~4) (<= ULTIMATE.start_main_~x~4 2)), 42816#(and (<= 3 ULTIMATE.start_main_~y~4) (<= 2 ULTIMATE.start_main_~x~4) (<= ULTIMATE.start_main_~x~4 2)), 42817#(and (<= 3 ULTIMATE.start_main_~x~4) (<= 3 ULTIMATE.start_main_~y~4) (<= ULTIMATE.start_main_~x~4 3)), 42818#(and (<= 3 ULTIMATE.start_main_~x~4) (<= 4 ULTIMATE.start_main_~y~4) (<= ULTIMATE.start_main_~x~4 3)), 42819#(and (<= 4 ULTIMATE.start_main_~y~4) (<= ULTIMATE.start_main_~x~4 4) (<= 4 ULTIMATE.start_main_~x~4)), 42820#(and (<= 5 ULTIMATE.start_main_~y~4) (<= ULTIMATE.start_main_~x~4 4) (<= 4 ULTIMATE.start_main_~x~4)), 42821#(and (<= ULTIMATE.start_main_~x~4 5) (<= 5 ULTIMATE.start_main_~y~4) (<= 5 ULTIMATE.start_main_~x~4)), 42822#(and (<= ULTIMATE.start_main_~x~4 5) (<= 6 ULTIMATE.start_main_~y~4) (<= 5 ULTIMATE.start_main_~x~4)), 42823#(and (<= 6 ULTIMATE.start_main_~x~4) (<= 6 ULTIMATE.start_main_~y~4) (<= ULTIMATE.start_main_~x~4 6)), 42824#(and (<= 6 ULTIMATE.start_main_~x~4) (<= 7 ULTIMATE.start_main_~y~4) (<= ULTIMATE.start_main_~x~4 6)), 42825#(and (<= ULTIMATE.start_main_~x~4 7) (<= 7 ULTIMATE.start_main_~y~4) (<= 7 ULTIMATE.start_main_~x~4)), 42826#(and (<= ULTIMATE.start_main_~x~4 7) (<= 7 ULTIMATE.start_main_~x~4) (<= 8 ULTIMATE.start_main_~y~4)), 42827#(and (<= ULTIMATE.start_main_~x~4 8) (<= 8 ULTIMATE.start_main_~y~4) (<= 8 ULTIMATE.start_main_~x~4)), 42828#(and (<= ULTIMATE.start_main_~x~4 8) (<= 8 ULTIMATE.start_main_~x~4) (<= 9 ULTIMATE.start_main_~y~4)), 42829#(and (<= 9 ULTIMATE.start_main_~x~4) (<= ULTIMATE.start_main_~x~4 9) (<= 9 ULTIMATE.start_main_~y~4)), 42830#(and (<= 9 ULTIMATE.start_main_~x~4) (<= 10 ULTIMATE.start_main_~y~4) (<= ULTIMATE.start_main_~x~4 9)), 42831#(and (<= ULTIMATE.start_main_~x~4 10) (<= 10 ULTIMATE.start_main_~y~4) (<= 10 ULTIMATE.start_main_~x~4)), 42832#(and (<= ULTIMATE.start_main_~x~4 10) (<= 11 ULTIMATE.start_main_~y~4) (<= 10 ULTIMATE.start_main_~x~4)), 42833#(and (<= ULTIMATE.start_main_~x~4 11) (<= 11 ULTIMATE.start_main_~x~4) (<= 11 ULTIMATE.start_main_~y~4)), 42834#(and (<= ULTIMATE.start_main_~x~4 11) (<= 11 ULTIMATE.start_main_~x~4) (<= 12 ULTIMATE.start_main_~y~4)), 42835#(and (<= 12 ULTIMATE.start_main_~x~4) (<= 12 ULTIMATE.start_main_~y~4) (<= ULTIMATE.start_main_~x~4 12)), 42836#(and (<= 12 ULTIMATE.start_main_~x~4) (<= 13 ULTIMATE.start_main_~y~4) (<= ULTIMATE.start_main_~x~4 12)), 42837#(and (<= 13 ULTIMATE.start_main_~y~4) (<= ULTIMATE.start_main_~x~4 13) (<= 13 ULTIMATE.start_main_~x~4)), 42838#(and (<= 14 ULTIMATE.start_main_~y~4) (<= ULTIMATE.start_main_~x~4 13) (<= 13 ULTIMATE.start_main_~x~4)), 42839#(and (<= 14 ULTIMATE.start_main_~y~4) (<= 14 ULTIMATE.start_main_~x~4) (<= ULTIMATE.start_main_~x~4 14)), 42840#(and (<= 14 ULTIMATE.start_main_~x~4) (<= ULTIMATE.start_main_~x~4 14) (<= 15 ULTIMATE.start_main_~y~4)), 42841#(and (<= 15 ULTIMATE.start_main_~x~4) (<= 15 ULTIMATE.start_main_~y~4) (<= ULTIMATE.start_main_~x~4 15)), 42842#(and (<= 15 ULTIMATE.start_main_~x~4) (<= 16 ULTIMATE.start_main_~y~4) (<= ULTIMATE.start_main_~x~4 15)), 42843#(and (<= ULTIMATE.start_main_~x~4 16) (<= 16 ULTIMATE.start_main_~x~4) (<= 16 ULTIMATE.start_main_~y~4)), 42844#(and (<= ULTIMATE.start_main_~x~4 16) (<= 16 ULTIMATE.start_main_~x~4) (<= 17 ULTIMATE.start_main_~y~4)), 42845#(and (<= ULTIMATE.start_main_~x~4 17) (<= 17 ULTIMATE.start_main_~y~4) (<= 17 ULTIMATE.start_main_~x~4)), 42846#(and (<= 18 ULTIMATE.start_main_~y~4) (<= ULTIMATE.start_main_~x~4 17) (<= 17 ULTIMATE.start_main_~x~4)), 42847#(and (<= 18 ULTIMATE.start_main_~y~4) (<= 18 ULTIMATE.start_main_~x~4) (<= ULTIMATE.start_main_~x~4 18)), 42848#(and (<= 18 ULTIMATE.start_main_~x~4) (<= ULTIMATE.start_main_~x~4 18) (<= 19 ULTIMATE.start_main_~y~4)), 42849#(and (<= 19 ULTIMATE.start_main_~y~4) (<= 19 ULTIMATE.start_main_~x~4) (<= ULTIMATE.start_main_~x~4 19)), 42850#(and (<= 20 ULTIMATE.start_main_~y~4) (<= 19 ULTIMATE.start_main_~x~4) (<= ULTIMATE.start_main_~x~4 19)), 42851#(and (<= 20 ULTIMATE.start_main_~x~4) (<= 20 ULTIMATE.start_main_~y~4) (<= ULTIMATE.start_main_~x~4 20)), 42852#(and (<= 20 ULTIMATE.start_main_~x~4) (<= 21 ULTIMATE.start_main_~y~4) (<= ULTIMATE.start_main_~x~4 20)), 42853#(and (<= ULTIMATE.start_main_~x~4 21) (<= 21 ULTIMATE.start_main_~y~4) (<= 21 ULTIMATE.start_main_~x~4)), 42854#(and (<= ULTIMATE.start_main_~x~4 21) (<= 21 ULTIMATE.start_main_~x~4) (<= 22 ULTIMATE.start_main_~y~4)), 42855#(and (<= ULTIMATE.start_main_~x~4 22) (<= 22 ULTIMATE.start_main_~x~4) (<= 22 ULTIMATE.start_main_~y~4)), 42856#(and (<= 23 ULTIMATE.start_main_~y~4) (<= ULTIMATE.start_main_~x~4 22) (<= 22 ULTIMATE.start_main_~x~4)), 42857#(and (<= ULTIMATE.start_main_~x~4 23) (<= 23 ULTIMATE.start_main_~x~4) (<= 23 ULTIMATE.start_main_~y~4)), 42858#(and (<= ULTIMATE.start_main_~x~4 23) (<= 23 ULTIMATE.start_main_~x~4) (<= 24 ULTIMATE.start_main_~y~4)), 42859#(and (<= 24 ULTIMATE.start_main_~y~4) (<= ULTIMATE.start_main_~x~4 24) (<= 24 ULTIMATE.start_main_~x~4)), 42860#(and (<= 25 ULTIMATE.start_main_~y~4) (<= ULTIMATE.start_main_~x~4 24) (<= 24 ULTIMATE.start_main_~x~4)), 42861#(and (<= 25 ULTIMATE.start_main_~y~4) (<= ULTIMATE.start_main_~x~4 25) (<= 25 ULTIMATE.start_main_~x~4)), 42862#(and (<= ULTIMATE.start_main_~x~4 25) (<= 26 ULTIMATE.start_main_~y~4) (<= 25 ULTIMATE.start_main_~x~4)), 42863#(and (<= ULTIMATE.start_main_~x~4 26) (<= 26 ULTIMATE.start_main_~y~4) (<= 26 ULTIMATE.start_main_~x~4)), 42864#(and (<= ULTIMATE.start_main_~x~4 26) (<= 27 ULTIMATE.start_main_~y~4) (<= 26 ULTIMATE.start_main_~x~4)), 42865#(and (<= ULTIMATE.start_main_~x~4 27) (<= 27 ULTIMATE.start_main_~y~4) (<= 27 ULTIMATE.start_main_~x~4)), 42866#(and (<= ULTIMATE.start_main_~x~4 27) (<= 27 ULTIMATE.start_main_~x~4) (<= 28 ULTIMATE.start_main_~y~4)), 42867#(and (<= ULTIMATE.start_main_~x~4 28) (<= 28 ULTIMATE.start_main_~y~4) (<= 28 ULTIMATE.start_main_~x~4)), 42868#(and (<= ULTIMATE.start_main_~x~4 28) (<= 29 ULTIMATE.start_main_~y~4) (<= 28 ULTIMATE.start_main_~x~4)), 42869#(and (<= 29 ULTIMATE.start_main_~x~4) (<= 29 ULTIMATE.start_main_~y~4) (<= ULTIMATE.start_main_~x~4 29)), 42870#(and (<= 29 ULTIMATE.start_main_~x~4) (<= 30 ULTIMATE.start_main_~y~4) (<= ULTIMATE.start_main_~x~4 29)), 42871#(and (<= ULTIMATE.start_main_~x~4 30) (<= 30 ULTIMATE.start_main_~y~4) (<= 30 ULTIMATE.start_main_~x~4)), 42872#(and (<= ULTIMATE.start_main_~x~4 30) (<= 31 ULTIMATE.start_main_~y~4) (<= 30 ULTIMATE.start_main_~x~4)), 42873#(and (<= ULTIMATE.start_main_~x~4 31) (<= 31 ULTIMATE.start_main_~y~4) (<= 31 ULTIMATE.start_main_~x~4)), 42874#(and (<= ULTIMATE.start_main_~x~4 31) (<= 32 ULTIMATE.start_main_~y~4) (<= 31 ULTIMATE.start_main_~x~4)), 42875#(and (<= ULTIMATE.start_main_~x~4 32) (<= 32 ULTIMATE.start_main_~y~4) (<= 32 ULTIMATE.start_main_~x~4)), 42876#(and (<= ULTIMATE.start_main_~x~4 32) (<= 33 ULTIMATE.start_main_~y~4) (<= 32 ULTIMATE.start_main_~x~4)), 42877#(and (<= ULTIMATE.start_main_~x~4 33) (<= 33 ULTIMATE.start_main_~y~4) (<= 33 ULTIMATE.start_main_~x~4)), 42878#(and (<= ULTIMATE.start_main_~x~4 33) (<= 33 ULTIMATE.start_main_~x~4) (<= 34 ULTIMATE.start_main_~y~4)), 42879#(and (<= 34 ULTIMATE.start_main_~x~4) (<= ULTIMATE.start_main_~x~4 34) (<= 34 ULTIMATE.start_main_~y~4)), 42880#(and (<= 34 ULTIMATE.start_main_~x~4) (<= ULTIMATE.start_main_~x~4 34) (<= 35 ULTIMATE.start_main_~y~4)), 42881#(and (<= ULTIMATE.start_main_~x~4 35) (<= 35 ULTIMATE.start_main_~y~4) (<= 35 ULTIMATE.start_main_~x~4)), 42882#(and (<= ULTIMATE.start_main_~x~4 35) (<= 35 ULTIMATE.start_main_~x~4) (<= 36 ULTIMATE.start_main_~y~4)), 42883#(and (<= 36 ULTIMATE.start_main_~x~4) (<= ULTIMATE.start_main_~x~4 36) (<= 36 ULTIMATE.start_main_~y~4)), 42884#(and (<= 36 ULTIMATE.start_main_~x~4) (<= 37 ULTIMATE.start_main_~y~4) (<= ULTIMATE.start_main_~x~4 36)), 42885#(and (<= 37 ULTIMATE.start_main_~y~4) (<= ULTIMATE.start_main_~x~4 37) (<= 37 ULTIMATE.start_main_~x~4)), 42886#(and (<= ULTIMATE.start_main_~x~4 37) (<= 38 ULTIMATE.start_main_~y~4) (<= 37 ULTIMATE.start_main_~x~4)), 42887#(and (<= 38 ULTIMATE.start_main_~x~4) (<= ULTIMATE.start_main_~x~4 38) (<= 38 ULTIMATE.start_main_~y~4)), 42888#(and (<= 38 ULTIMATE.start_main_~x~4) (<= 39 ULTIMATE.start_main_~y~4) (<= ULTIMATE.start_main_~x~4 38)), 42889#(and (<= 39 ULTIMATE.start_main_~y~4) (<= ULTIMATE.start_main_~x~4 39) (<= 39 ULTIMATE.start_main_~x~4)), 42890#(and (<= ULTIMATE.start_main_~x~4 39) (<= 39 ULTIMATE.start_main_~x~4) (<= 40 ULTIMATE.start_main_~y~4)), 42891#(and (<= ULTIMATE.start_main_~x~4 40) (<= 40 ULTIMATE.start_main_~x~4) (<= 40 ULTIMATE.start_main_~y~4)), 42892#(and (<= ULTIMATE.start_main_~x~4 40) (<= 40 ULTIMATE.start_main_~x~4) (<= 41 ULTIMATE.start_main_~y~4)), 42893#(and (<= ULTIMATE.start_main_~x~4 41) (<= 41 ULTIMATE.start_main_~x~4) (<= 41 ULTIMATE.start_main_~y~4)), 42894#(and (<= ULTIMATE.start_main_~x~4 41) (<= 41 ULTIMATE.start_main_~x~4) (<= 42 ULTIMATE.start_main_~y~4)), 42895#(and (<= 42 ULTIMATE.start_main_~y~4) (<= ULTIMATE.start_main_~x~4 42) (<= 42 ULTIMATE.start_main_~x~4)), 42896#(and (<= 43 ULTIMATE.start_main_~y~4) (<= ULTIMATE.start_main_~x~4 42) (<= 42 ULTIMATE.start_main_~x~4)), 42897#(and (<= 43 ULTIMATE.start_main_~y~4) (<= ULTIMATE.start_main_~x~4 43) (<= 43 ULTIMATE.start_main_~x~4)), 42898#(and (<= ULTIMATE.start_main_~x~4 43) (<= 44 ULTIMATE.start_main_~y~4) (<= 43 ULTIMATE.start_main_~x~4)), 42899#(and (<= 44 ULTIMATE.start_main_~x~4) (<= ULTIMATE.start_main_~x~4 44) (<= 44 ULTIMATE.start_main_~y~4)), 42900#(and (<= 44 ULTIMATE.start_main_~x~4) (<= ULTIMATE.start_main_~x~4 44) (<= 45 ULTIMATE.start_main_~y~4)), 42901#(and (<= 45 ULTIMATE.start_main_~y~4) (<= 45 ULTIMATE.start_main_~x~4) (<= ULTIMATE.start_main_~x~4 45)), 42902#(and (<= 46 ULTIMATE.start_main_~y~4) (<= 45 ULTIMATE.start_main_~x~4) (<= ULTIMATE.start_main_~x~4 45)), 42903#(and (<= ULTIMATE.start_main_~x~4 46) (<= 46 ULTIMATE.start_main_~x~4) (<= 46 ULTIMATE.start_main_~y~4)), 42904#(and (<= ULTIMATE.start_main_~x~4 46) (<= 47 ULTIMATE.start_main_~y~4) (<= 46 ULTIMATE.start_main_~x~4)), 42905#(and (<= 47 ULTIMATE.start_main_~y~4) (<= 47 ULTIMATE.start_main_~x~4) (<= ULTIMATE.start_main_~x~4 47)), 42906#(and (<= 48 ULTIMATE.start_main_~y~4) (<= 47 ULTIMATE.start_main_~x~4) (<= ULTIMATE.start_main_~x~4 47)), 42907#(and (<= 48 ULTIMATE.start_main_~x~4) (<= 48 ULTIMATE.start_main_~y~4) (<= ULTIMATE.start_main_~x~4 48)), 42908#(and (<= 48 ULTIMATE.start_main_~x~4) (<= 49 ULTIMATE.start_main_~y~4) (<= ULTIMATE.start_main_~x~4 48)), 42909#(and (<= 49 ULTIMATE.start_main_~x~4) (<= 49 ULTIMATE.start_main_~y~4) (<= ULTIMATE.start_main_~x~4 49)), 42910#(and (<= 49 ULTIMATE.start_main_~x~4) (<= 50 ULTIMATE.start_main_~y~4)), 42911#(and (<= 50 ULTIMATE.start_main_~x~4) (<= 50 ULTIMATE.start_main_~y~4)), 42912#(and (<= 50 ULTIMATE.start_main_~x~4) (<= 49 ULTIMATE.start_main_~y~4)), 42913#(and (<= 51 ULTIMATE.start_main_~x~4) (<= 49 ULTIMATE.start_main_~y~4)), 42914#(and (<= 51 ULTIMATE.start_main_~x~4) (<= 48 ULTIMATE.start_main_~y~4)), 42915#(and (<= 52 ULTIMATE.start_main_~x~4) (<= 48 ULTIMATE.start_main_~y~4)), 42916#(and (<= 52 ULTIMATE.start_main_~x~4) (<= 47 ULTIMATE.start_main_~y~4)), 42917#(and (<= 47 ULTIMATE.start_main_~y~4) (<= 53 ULTIMATE.start_main_~x~4)), 42918#(and (<= 53 ULTIMATE.start_main_~x~4) (<= 46 ULTIMATE.start_main_~y~4)), 42919#(and (<= 54 ULTIMATE.start_main_~x~4) (<= 46 ULTIMATE.start_main_~y~4)), 42920#(and (<= 45 ULTIMATE.start_main_~y~4) (<= 54 ULTIMATE.start_main_~x~4)), 42921#(and (<= 45 ULTIMATE.start_main_~y~4) (<= 55 ULTIMATE.start_main_~x~4)), 42922#(and (<= 55 ULTIMATE.start_main_~x~4) (<= 44 ULTIMATE.start_main_~y~4)), 42923#(and (<= 56 ULTIMATE.start_main_~x~4) (<= 44 ULTIMATE.start_main_~y~4)), 42924#(and (<= 56 ULTIMATE.start_main_~x~4) (<= 43 ULTIMATE.start_main_~y~4)), 42925#(and (<= 43 ULTIMATE.start_main_~y~4) (<= 57 ULTIMATE.start_main_~x~4)), 42926#(and (<= 42 ULTIMATE.start_main_~y~4) (<= 57 ULTIMATE.start_main_~x~4)), 42927#(and (<= 58 ULTIMATE.start_main_~x~4) (<= 42 ULTIMATE.start_main_~y~4)), 42928#(and (<= 58 ULTIMATE.start_main_~x~4) (<= 41 ULTIMATE.start_main_~y~4)), 42929#(and (<= 41 ULTIMATE.start_main_~y~4) (<= 59 ULTIMATE.start_main_~x~4)), 42930#(and (<= 40 ULTIMATE.start_main_~y~4) (<= 59 ULTIMATE.start_main_~x~4)), 42931#(and (<= 60 ULTIMATE.start_main_~x~4) (<= 40 ULTIMATE.start_main_~y~4)), 42932#(and (<= 39 ULTIMATE.start_main_~y~4) (<= 60 ULTIMATE.start_main_~x~4)), 42933#(and (<= 61 ULTIMATE.start_main_~x~4) (<= 39 ULTIMATE.start_main_~y~4)), 42934#(and (<= 61 ULTIMATE.start_main_~x~4) (<= 38 ULTIMATE.start_main_~y~4)), 42935#(and (<= 38 ULTIMATE.start_main_~y~4) (<= 62 ULTIMATE.start_main_~x~4)), 42936#(and (<= 37 ULTIMATE.start_main_~y~4) (<= 62 ULTIMATE.start_main_~x~4)), 42937#(and (<= 63 ULTIMATE.start_main_~x~4) (<= 37 ULTIMATE.start_main_~y~4)), 42938#(and (<= 63 ULTIMATE.start_main_~x~4) (<= 36 ULTIMATE.start_main_~y~4)), 42939#(and (<= 64 ULTIMATE.start_main_~x~4) (<= 36 ULTIMATE.start_main_~y~4)), 42940#(and (<= 35 ULTIMATE.start_main_~y~4) (<= 64 ULTIMATE.start_main_~x~4)), 42941#(and (<= 35 ULTIMATE.start_main_~y~4) (<= 65 ULTIMATE.start_main_~x~4)), 42942#(and (<= 34 ULTIMATE.start_main_~y~4) (<= 65 ULTIMATE.start_main_~x~4)), 42943#(and (<= 66 ULTIMATE.start_main_~x~4) (<= 34 ULTIMATE.start_main_~y~4)), 42944#(and (<= 66 ULTIMATE.start_main_~x~4) (<= 33 ULTIMATE.start_main_~y~4)), 42945#(and (<= 67 ULTIMATE.start_main_~x~4) (<= 33 ULTIMATE.start_main_~y~4)), 42946#(and (<= 67 ULTIMATE.start_main_~x~4) (<= 32 ULTIMATE.start_main_~y~4)), 42947#(and (<= 32 ULTIMATE.start_main_~y~4) (<= 68 ULTIMATE.start_main_~x~4)), 42948#(and (<= 31 ULTIMATE.start_main_~y~4) (<= 68 ULTIMATE.start_main_~x~4)), 42949#(and (<= 31 ULTIMATE.start_main_~y~4) (<= 69 ULTIMATE.start_main_~x~4)), 42950#(and (<= 30 ULTIMATE.start_main_~y~4) (<= 69 ULTIMATE.start_main_~x~4)), 42951#(and (<= 70 ULTIMATE.start_main_~x~4) (<= 30 ULTIMATE.start_main_~y~4)), 42952#(and (<= 70 ULTIMATE.start_main_~x~4) (<= 29 ULTIMATE.start_main_~y~4)), 42953#(and (<= 71 ULTIMATE.start_main_~x~4) (<= 29 ULTIMATE.start_main_~y~4)), 42954#(and (<= 71 ULTIMATE.start_main_~x~4) (<= 28 ULTIMATE.start_main_~y~4)), 42955#(and (<= 72 ULTIMATE.start_main_~x~4) (<= 28 ULTIMATE.start_main_~y~4)), 42956#(and (<= 72 ULTIMATE.start_main_~x~4) (<= 27 ULTIMATE.start_main_~y~4)), 42957#(and (<= 27 ULTIMATE.start_main_~y~4) (<= 73 ULTIMATE.start_main_~x~4)), 42958#(and (<= 73 ULTIMATE.start_main_~x~4) (<= 26 ULTIMATE.start_main_~y~4)), 42959#(and (<= 74 ULTIMATE.start_main_~x~4) (<= 26 ULTIMATE.start_main_~y~4)), 42960#(and (<= 74 ULTIMATE.start_main_~x~4) (<= 25 ULTIMATE.start_main_~y~4)), 42961#(and (<= 75 ULTIMATE.start_main_~x~4) (<= 25 ULTIMATE.start_main_~y~4)), 42962#(and (<= 24 ULTIMATE.start_main_~y~4) (<= 75 ULTIMATE.start_main_~x~4)), 42963#(and (<= 24 ULTIMATE.start_main_~y~4) (<= 76 ULTIMATE.start_main_~x~4)), 42964#(and (<= 23 ULTIMATE.start_main_~y~4) (<= 76 ULTIMATE.start_main_~x~4)), 42965#(and (<= 77 ULTIMATE.start_main_~x~4) (<= 23 ULTIMATE.start_main_~y~4)), 42966#(and (<= 77 ULTIMATE.start_main_~x~4) (<= 22 ULTIMATE.start_main_~y~4)), 42967#(and (<= 78 ULTIMATE.start_main_~x~4) (<= 22 ULTIMATE.start_main_~y~4)), 42968#(and (<= 21 ULTIMATE.start_main_~y~4) (<= 78 ULTIMATE.start_main_~x~4)), 42969#(and (<= 79 ULTIMATE.start_main_~x~4) (<= 21 ULTIMATE.start_main_~y~4)), 42970#(and (<= 79 ULTIMATE.start_main_~x~4) (<= 20 ULTIMATE.start_main_~y~4)), 42971#(and (<= 20 ULTIMATE.start_main_~y~4) (<= 80 ULTIMATE.start_main_~x~4)), 42972#(and (<= 19 ULTIMATE.start_main_~y~4) (<= 80 ULTIMATE.start_main_~x~4)), 42973#(and (<= 19 ULTIMATE.start_main_~y~4) (<= 81 ULTIMATE.start_main_~x~4)), 42974#(and (<= 18 ULTIMATE.start_main_~y~4) (<= 81 ULTIMATE.start_main_~x~4)), 42975#(and (<= 18 ULTIMATE.start_main_~y~4) (<= 82 ULTIMATE.start_main_~x~4)), 42976#(and (<= 82 ULTIMATE.start_main_~x~4) (<= 17 ULTIMATE.start_main_~y~4)), 42977#(and (<= 83 ULTIMATE.start_main_~x~4) (<= 17 ULTIMATE.start_main_~y~4)), 42978#(and (<= 83 ULTIMATE.start_main_~x~4) (<= 16 ULTIMATE.start_main_~y~4)), 42979#(and (<= 16 ULTIMATE.start_main_~y~4) (<= 84 ULTIMATE.start_main_~x~4)), 42980#(and (<= 84 ULTIMATE.start_main_~x~4) (<= 15 ULTIMATE.start_main_~y~4)), 42981#(and (<= 85 ULTIMATE.start_main_~x~4) (<= 15 ULTIMATE.start_main_~y~4)), 42982#(and (<= 14 ULTIMATE.start_main_~y~4) (<= 85 ULTIMATE.start_main_~x~4)), 42983#(and (<= 14 ULTIMATE.start_main_~y~4) (<= 86 ULTIMATE.start_main_~x~4)), 42984#(and (<= 13 ULTIMATE.start_main_~y~4) (<= 86 ULTIMATE.start_main_~x~4)), 42985#(and (<= 13 ULTIMATE.start_main_~y~4) (<= 87 ULTIMATE.start_main_~x~4)), 42986#(<= 12 ULTIMATE.start_main_~y~4), 42987#(<= 1 ULTIMATE.start_main_~y~4)] [2018-07-23 13:42:20,482 INFO L134 CoverageAnalysis]: Checked inductivity of 7832 backedges. 0 proven. 7832 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2018-07-23 13:42:20,482 INFO L450 AbstractCegarLoop]: Interpolant automaton has 179 states [2018-07-23 13:42:20,482 INFO L132 InterpolantAutomaton]: Constructing interpolant automaton starting with 179 interpolants. [2018-07-23 13:42:20,483 INFO L133 InterpolantAutomaton]: CoverageRelationStatistics Valid=806, Invalid=31056, Unknown=0, NotChecked=0, Total=31862 [2018-07-23 13:42:20,484 INFO L87 Difference]: Start difference. First operand 181 states and 181 transitions. Second operand 179 states. [2018-07-23 13:42:21,649 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2018-07-23 13:42:21,649 INFO L93 Difference]: Finished difference Result 186 states and 186 transitions. [2018-07-23 13:42:21,650 INFO L142 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 179 states. [2018-07-23 13:42:21,650 INFO L78 Accepts]: Start accepts. Automaton has 179 states. Word has length 180 [2018-07-23 13:42:21,650 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2018-07-23 13:42:21,651 INFO L225 Difference]: With dead ends: 186 [2018-07-23 13:42:21,651 INFO L226 Difference]: Without dead ends: 184 [2018-07-23 13:42:21,652 INFO L575 BasicCegarLoop]: 0 DeclaredPredicates, 180 GetRequests, 1 SyntacticMatches, 1 SemanticMatches, 178 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 9483 ImplicationChecksByTransitivity, 1.1s TimeCoverageRelationStatistics Valid=812, Invalid=31408, Unknown=0, NotChecked=0, Total=32220 [2018-07-23 13:42:21,652 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 184 states. [2018-07-23 13:42:21,677 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 184 to 183. [2018-07-23 13:42:21,677 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 183 states. [2018-07-23 13:42:21,677 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 183 states to 183 states and 183 transitions. [2018-07-23 13:42:21,677 INFO L78 Accepts]: Start accepts. Automaton has 183 states and 183 transitions. Word has length 180 [2018-07-23 13:42:21,678 INFO L84 Accepts]: Finished accepts. word is rejected. [2018-07-23 13:42:21,678 INFO L471 AbstractCegarLoop]: Abstraction has 183 states and 183 transitions. [2018-07-23 13:42:21,678 INFO L472 AbstractCegarLoop]: Interpolant automaton has 179 states. [2018-07-23 13:42:21,678 INFO L276 IsEmpty]: Start isEmpty. Operand 183 states and 183 transitions. [2018-07-23 13:42:21,678 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 183 [2018-07-23 13:42:21,678 INFO L349 BasicCegarLoop]: Found error trace [2018-07-23 13:42:21,679 INFO L357 BasicCegarLoop]: trace histogram [90, 89, 1, 1, 1] [2018-07-23 13:42:21,679 INFO L414 AbstractCegarLoop]: === Iteration 90 === [ULTIMATE.startErr0AssertViolationASSERT]=== [2018-07-23 13:42:21,679 INFO L82 PathProgramCache]: Analyzing trace with hash -819245458, now seen corresponding path program 89 times [2018-07-23 13:42:21,679 INFO L69 tionRefinementEngine]: Using refinement strategy FixedRefinementStrategy [2018-07-23 13:42:21,703 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-07-23 13:42:23,077 INFO L134 CoverageAnalysis]: Checked inductivity of 8010 backedges. 0 proven. 8010 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2018-07-23 13:42:23,078 INFO L309 seRefinementStrategy]: Constructing automaton from 0 perfect and 1 imperfect interpolant sequences. [2018-07-23 13:42:23,078 INFO L324 seRefinementStrategy]: Number of different interpolants: perfect sequences [] imperfect sequences [180] total 180 [2018-07-23 13:42:23,078 INFO L142 lantAutomatonBuilder]: Constructing canonical interpolant automaton, with selfloop in false state [2018-07-23 13:42:23,078 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2018-07-23 13:42:23,079 INFO L185 omatonBuilderFactory]: Interpolants [43776#(and (<= ULTIMATE.start_main_~x~4 23) (<= 23 ULTIMATE.start_main_~x~4) (<= 23 ULTIMATE.start_main_~y~4)), 43777#(and (<= ULTIMATE.start_main_~x~4 23) (<= 23 ULTIMATE.start_main_~x~4) (<= 24 ULTIMATE.start_main_~y~4)), 43778#(and (<= 24 ULTIMATE.start_main_~y~4) (<= ULTIMATE.start_main_~x~4 24) (<= 24 ULTIMATE.start_main_~x~4)), 43779#(and (<= 25 ULTIMATE.start_main_~y~4) (<= ULTIMATE.start_main_~x~4 24) (<= 24 ULTIMATE.start_main_~x~4)), 43780#(and (<= 25 ULTIMATE.start_main_~y~4) (<= ULTIMATE.start_main_~x~4 25) (<= 25 ULTIMATE.start_main_~x~4)), 43781#(and (<= ULTIMATE.start_main_~x~4 25) (<= 26 ULTIMATE.start_main_~y~4) (<= 25 ULTIMATE.start_main_~x~4)), 43782#(and (<= ULTIMATE.start_main_~x~4 26) (<= 26 ULTIMATE.start_main_~y~4) (<= 26 ULTIMATE.start_main_~x~4)), 43783#(and (<= ULTIMATE.start_main_~x~4 26) (<= 27 ULTIMATE.start_main_~y~4) (<= 26 ULTIMATE.start_main_~x~4)), 43784#(and (<= 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ULTIMATE.start_main_~x~4 20)), 43771#(and (<= 20 ULTIMATE.start_main_~x~4) (<= 21 ULTIMATE.start_main_~y~4) (<= ULTIMATE.start_main_~x~4 20)), 43772#(and (<= ULTIMATE.start_main_~x~4 21) (<= 21 ULTIMATE.start_main_~y~4) (<= 21 ULTIMATE.start_main_~x~4)), 43773#(and (<= ULTIMATE.start_main_~x~4 21) (<= 21 ULTIMATE.start_main_~x~4) (<= 22 ULTIMATE.start_main_~y~4)), 43774#(and (<= ULTIMATE.start_main_~x~4 22) (<= 22 ULTIMATE.start_main_~x~4) (<= 22 ULTIMATE.start_main_~y~4)), 43775#(and (<= 23 ULTIMATE.start_main_~y~4) (<= ULTIMATE.start_main_~x~4 22) (<= 22 ULTIMATE.start_main_~x~4))] [2018-07-23 13:42:23,079 INFO L134 CoverageAnalysis]: Checked inductivity of 8010 backedges. 0 proven. 8010 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2018-07-23 13:42:23,079 INFO L450 AbstractCegarLoop]: Interpolant automaton has 181 states [2018-07-23 13:42:23,080 INFO L132 InterpolantAutomaton]: Constructing interpolant automaton starting with 181 interpolants. [2018-07-23 13:42:23,081 INFO L133 InterpolantAutomaton]: CoverageRelationStatistics Valid=818, Invalid=31762, Unknown=0, NotChecked=0, Total=32580 [2018-07-23 13:42:23,081 INFO L87 Difference]: Start difference. First operand 183 states and 183 transitions. Second operand 181 states. [2018-07-23 13:42:24,308 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2018-07-23 13:42:24,308 INFO L93 Difference]: Finished difference Result 188 states and 188 transitions. [2018-07-23 13:42:24,308 INFO L142 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 181 states. [2018-07-23 13:42:24,308 INFO L78 Accepts]: Start accepts. Automaton has 181 states. Word has length 182 [2018-07-23 13:42:24,309 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2018-07-23 13:42:24,309 INFO L225 Difference]: With dead ends: 188 [2018-07-23 13:42:24,310 INFO L226 Difference]: Without dead ends: 186 [2018-07-23 13:42:24,311 INFO L575 BasicCegarLoop]: 0 DeclaredPredicates, 182 GetRequests, 1 SyntacticMatches, 1 SemanticMatches, 180 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 9741 ImplicationChecksByTransitivity, 1.1s TimeCoverageRelationStatistics Valid=824, Invalid=32118, Unknown=0, NotChecked=0, Total=32942 [2018-07-23 13:42:24,312 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 186 states. [2018-07-23 13:42:24,344 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 186 to 185. [2018-07-23 13:42:24,344 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 185 states. [2018-07-23 13:42:24,344 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 185 states to 185 states and 185 transitions. [2018-07-23 13:42:24,344 INFO L78 Accepts]: Start accepts. Automaton has 185 states and 185 transitions. Word has length 182 [2018-07-23 13:42:24,344 INFO L84 Accepts]: Finished accepts. word is rejected. [2018-07-23 13:42:24,344 INFO L471 AbstractCegarLoop]: Abstraction has 185 states and 185 transitions. [2018-07-23 13:42:24,345 INFO L472 AbstractCegarLoop]: Interpolant automaton has 181 states. [2018-07-23 13:42:24,345 INFO L276 IsEmpty]: Start isEmpty. Operand 185 states and 185 transitions. [2018-07-23 13:42:24,345 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 185 [2018-07-23 13:42:24,345 INFO L349 BasicCegarLoop]: Found error trace [2018-07-23 13:42:24,345 INFO L357 BasicCegarLoop]: trace histogram [91, 90, 1, 1, 1] [2018-07-23 13:42:24,346 INFO L414 AbstractCegarLoop]: === Iteration 91 === [ULTIMATE.startErr0AssertViolationASSERT]=== [2018-07-23 13:42:24,346 INFO L82 PathProgramCache]: Analyzing trace with hash -1315806188, now seen corresponding path program 90 times [2018-07-23 13:42:24,346 INFO L69 tionRefinementEngine]: Using refinement strategy FixedRefinementStrategy [2018-07-23 13:42:24,374 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-07-23 13:42:25,581 INFO L134 CoverageAnalysis]: Checked inductivity of 8190 backedges. 0 proven. 8190 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2018-07-23 13:42:25,581 INFO L309 seRefinementStrategy]: Constructing automaton from 0 perfect and 1 imperfect interpolant sequences. [2018-07-23 13:42:25,581 INFO L324 seRefinementStrategy]: Number of different interpolants: perfect sequences [] imperfect sequences [182] total 182 [2018-07-23 13:42:25,581 INFO L142 lantAutomatonBuilder]: Constructing canonical interpolant automaton, with selfloop in false state [2018-07-23 13:42:25,582 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2018-07-23 13:42:25,582 INFO L185 omatonBuilderFactory]: Interpolants [44800#(and (<= 70 ULTIMATE.start_main_~x~4) (<= 29 ULTIMATE.start_main_~y~4)), 44801#(and (<= 71 ULTIMATE.start_main_~x~4) (<= 29 ULTIMATE.start_main_~y~4)), 44802#(and (<= 71 ULTIMATE.start_main_~x~4) (<= 28 ULTIMATE.start_main_~y~4)), 44803#(and (<= 72 ULTIMATE.start_main_~x~4) (<= 28 ULTIMATE.start_main_~y~4)), 44804#(and (<= 72 ULTIMATE.start_main_~x~4) (<= 27 ULTIMATE.start_main_~y~4)), 44805#(and (<= 27 ULTIMATE.start_main_~y~4) (<= 73 ULTIMATE.start_main_~x~4)), 44806#(and (<= 73 ULTIMATE.start_main_~x~4) (<= 26 ULTIMATE.start_main_~y~4)), 44807#(and (<= 74 ULTIMATE.start_main_~x~4) (<= 26 ULTIMATE.start_main_~y~4)), 44808#(and (<= 74 ULTIMATE.start_main_~x~4) (<= 25 ULTIMATE.start_main_~y~4)), 44809#(and (<= 75 ULTIMATE.start_main_~x~4) (<= 25 ULTIMATE.start_main_~y~4)), 44810#(and (<= 24 ULTIMATE.start_main_~y~4) (<= 75 ULTIMATE.start_main_~x~4)), 44811#(and (<= 24 ULTIMATE.start_main_~y~4) (<= 76 ULTIMATE.start_main_~x~4)), 44812#(and (<= 23 ULTIMATE.start_main_~y~4) (<= 76 ULTIMATE.start_main_~x~4)), 44813#(and (<= 77 ULTIMATE.start_main_~x~4) (<= 23 ULTIMATE.start_main_~y~4)), 44814#(and (<= 77 ULTIMATE.start_main_~x~4) (<= 22 ULTIMATE.start_main_~y~4)), 44815#(and (<= 78 ULTIMATE.start_main_~x~4) (<= 22 ULTIMATE.start_main_~y~4)), 44816#(and (<= 21 ULTIMATE.start_main_~y~4) (<= 78 ULTIMATE.start_main_~x~4)), 44817#(and (<= 79 ULTIMATE.start_main_~x~4) (<= 21 ULTIMATE.start_main_~y~4)), 44818#(and (<= 79 ULTIMATE.start_main_~x~4) (<= 20 ULTIMATE.start_main_~y~4)), 44819#(and (<= 20 ULTIMATE.start_main_~y~4) (<= 80 ULTIMATE.start_main_~x~4)), 44820#(and (<= 19 ULTIMATE.start_main_~y~4) (<= 80 ULTIMATE.start_main_~x~4)), 44821#(and (<= 19 ULTIMATE.start_main_~y~4) (<= 81 ULTIMATE.start_main_~x~4)), 44822#(and (<= 18 ULTIMATE.start_main_~y~4) (<= 81 ULTIMATE.start_main_~x~4)), 44823#(and (<= 18 ULTIMATE.start_main_~y~4) (<= 82 ULTIMATE.start_main_~x~4)), 44824#(and (<= 82 ULTIMATE.start_main_~x~4) (<= 17 ULTIMATE.start_main_~y~4)), 44825#(and (<= 83 ULTIMATE.start_main_~x~4) (<= 17 ULTIMATE.start_main_~y~4)), 44826#(and (<= 83 ULTIMATE.start_main_~x~4) (<= 16 ULTIMATE.start_main_~y~4)), 44827#(and (<= 16 ULTIMATE.start_main_~y~4) (<= 84 ULTIMATE.start_main_~x~4)), 44828#(and (<= 84 ULTIMATE.start_main_~x~4) (<= 15 ULTIMATE.start_main_~y~4)), 44829#(and (<= 85 ULTIMATE.start_main_~x~4) (<= 15 ULTIMATE.start_main_~y~4)), 44830#(and (<= 14 ULTIMATE.start_main_~y~4) (<= 85 ULTIMATE.start_main_~x~4)), 44831#(and (<= 14 ULTIMATE.start_main_~y~4) (<= 86 ULTIMATE.start_main_~x~4)), 44832#(and (<= 13 ULTIMATE.start_main_~y~4) (<= 86 ULTIMATE.start_main_~x~4)), 44833#(and (<= 13 ULTIMATE.start_main_~y~4) (<= 87 ULTIMATE.start_main_~x~4)), 44834#(and (<= 12 ULTIMATE.start_main_~y~4) (<= 87 ULTIMATE.start_main_~x~4)), 44835#(and (<= 12 ULTIMATE.start_main_~y~4) (<= 88 ULTIMATE.start_main_~x~4)), 44836#(and (<= 88 ULTIMATE.start_main_~x~4) (<= 11 ULTIMATE.start_main_~y~4)), 44837#(and (<= 89 ULTIMATE.start_main_~x~4) (<= 11 ULTIMATE.start_main_~y~4)), 44838#(<= 10 ULTIMATE.start_main_~y~4), 44839#(<= 1 ULTIMATE.start_main_~y~4), 44657#true, 44658#false, 44659#(and (<= 0 ULTIMATE.start_main_~y~4) (<= ULTIMATE.start_main_~x~4 0) (<= 0 ULTIMATE.start_main_~x~4)), 44660#(and (<= ULTIMATE.start_main_~x~4 0) (<= 0 ULTIMATE.start_main_~x~4) (<= 1 ULTIMATE.start_main_~y~4)), 44661#(and (<= ULTIMATE.start_main_~x~4 1) (<= 1 ULTIMATE.start_main_~y~4) (<= 1 ULTIMATE.start_main_~x~4)), 44662#(and (<= 2 ULTIMATE.start_main_~y~4) (<= ULTIMATE.start_main_~x~4 1) (<= 1 ULTIMATE.start_main_~x~4)), 44663#(and (<= 2 ULTIMATE.start_main_~y~4) (<= 2 ULTIMATE.start_main_~x~4) (<= ULTIMATE.start_main_~x~4 2)), 44664#(and (<= 3 ULTIMATE.start_main_~y~4) (<= 2 ULTIMATE.start_main_~x~4) (<= ULTIMATE.start_main_~x~4 2)), 44665#(and (<= 3 ULTIMATE.start_main_~x~4) (<= 3 ULTIMATE.start_main_~y~4) (<= ULTIMATE.start_main_~x~4 3)), 44666#(and (<= 3 ULTIMATE.start_main_~x~4) (<= 4 ULTIMATE.start_main_~y~4) (<= ULTIMATE.start_main_~x~4 3)), 44667#(and (<= 4 ULTIMATE.start_main_~y~4) (<= ULTIMATE.start_main_~x~4 4) (<= 4 ULTIMATE.start_main_~x~4)), 44668#(and (<= 5 ULTIMATE.start_main_~y~4) (<= ULTIMATE.start_main_~x~4 4) (<= 4 ULTIMATE.start_main_~x~4)), 44669#(and (<= ULTIMATE.start_main_~x~4 5) (<= 5 ULTIMATE.start_main_~y~4) (<= 5 ULTIMATE.start_main_~x~4)), 44670#(and (<= ULTIMATE.start_main_~x~4 5) (<= 6 ULTIMATE.start_main_~y~4) (<= 5 ULTIMATE.start_main_~x~4)), 44671#(and (<= 6 ULTIMATE.start_main_~x~4) (<= 6 ULTIMATE.start_main_~y~4) (<= ULTIMATE.start_main_~x~4 6)), 44672#(and (<= 6 ULTIMATE.start_main_~x~4) (<= 7 ULTIMATE.start_main_~y~4) (<= ULTIMATE.start_main_~x~4 6)), 44673#(and (<= ULTIMATE.start_main_~x~4 7) (<= 7 ULTIMATE.start_main_~y~4) (<= 7 ULTIMATE.start_main_~x~4)), 44674#(and (<= ULTIMATE.start_main_~x~4 7) (<= 7 ULTIMATE.start_main_~x~4) (<= 8 ULTIMATE.start_main_~y~4)), 44675#(and (<= ULTIMATE.start_main_~x~4 8) (<= 8 ULTIMATE.start_main_~y~4) (<= 8 ULTIMATE.start_main_~x~4)), 44676#(and (<= ULTIMATE.start_main_~x~4 8) (<= 8 ULTIMATE.start_main_~x~4) (<= 9 ULTIMATE.start_main_~y~4)), 44677#(and (<= 9 ULTIMATE.start_main_~x~4) (<= ULTIMATE.start_main_~x~4 9) (<= 9 ULTIMATE.start_main_~y~4)), 44678#(and (<= 9 ULTIMATE.start_main_~x~4) (<= 10 ULTIMATE.start_main_~y~4) (<= ULTIMATE.start_main_~x~4 9)), 44679#(and (<= ULTIMATE.start_main_~x~4 10) (<= 10 ULTIMATE.start_main_~y~4) (<= 10 ULTIMATE.start_main_~x~4)), 44680#(and (<= ULTIMATE.start_main_~x~4 10) (<= 11 ULTIMATE.start_main_~y~4) (<= 10 ULTIMATE.start_main_~x~4)), 44681#(and (<= ULTIMATE.start_main_~x~4 11) (<= 11 ULTIMATE.start_main_~x~4) (<= 11 ULTIMATE.start_main_~y~4)), 44682#(and (<= ULTIMATE.start_main_~x~4 11) (<= 11 ULTIMATE.start_main_~x~4) (<= 12 ULTIMATE.start_main_~y~4)), 44683#(and (<= 12 ULTIMATE.start_main_~x~4) (<= 12 ULTIMATE.start_main_~y~4) (<= ULTIMATE.start_main_~x~4 12)), 44684#(and (<= 12 ULTIMATE.start_main_~x~4) (<= 13 ULTIMATE.start_main_~y~4) (<= ULTIMATE.start_main_~x~4 12)), 44685#(and (<= 13 ULTIMATE.start_main_~y~4) (<= ULTIMATE.start_main_~x~4 13) (<= 13 ULTIMATE.start_main_~x~4)), 44686#(and (<= 14 ULTIMATE.start_main_~y~4) (<= ULTIMATE.start_main_~x~4 13) (<= 13 ULTIMATE.start_main_~x~4)), 44687#(and (<= 14 ULTIMATE.start_main_~y~4) (<= 14 ULTIMATE.start_main_~x~4) (<= ULTIMATE.start_main_~x~4 14)), 44688#(and (<= 14 ULTIMATE.start_main_~x~4) (<= ULTIMATE.start_main_~x~4 14) (<= 15 ULTIMATE.start_main_~y~4)), 44689#(and (<= 15 ULTIMATE.start_main_~x~4) (<= 15 ULTIMATE.start_main_~y~4) (<= ULTIMATE.start_main_~x~4 15)), 44690#(and (<= 15 ULTIMATE.start_main_~x~4) (<= 16 ULTIMATE.start_main_~y~4) (<= ULTIMATE.start_main_~x~4 15)), 44691#(and (<= ULTIMATE.start_main_~x~4 16) (<= 16 ULTIMATE.start_main_~x~4) (<= 16 ULTIMATE.start_main_~y~4)), 44692#(and (<= ULTIMATE.start_main_~x~4 16) (<= 16 ULTIMATE.start_main_~x~4) (<= 17 ULTIMATE.start_main_~y~4)), 44693#(and (<= ULTIMATE.start_main_~x~4 17) (<= 17 ULTIMATE.start_main_~y~4) (<= 17 ULTIMATE.start_main_~x~4)), 44694#(and (<= 18 ULTIMATE.start_main_~y~4) (<= ULTIMATE.start_main_~x~4 17) (<= 17 ULTIMATE.start_main_~x~4)), 44695#(and (<= 18 ULTIMATE.start_main_~y~4) (<= 18 ULTIMATE.start_main_~x~4) (<= ULTIMATE.start_main_~x~4 18)), 44696#(and (<= 18 ULTIMATE.start_main_~x~4) (<= ULTIMATE.start_main_~x~4 18) (<= 19 ULTIMATE.start_main_~y~4)), 44697#(and (<= 19 ULTIMATE.start_main_~y~4) (<= 19 ULTIMATE.start_main_~x~4) (<= ULTIMATE.start_main_~x~4 19)), 44698#(and (<= 20 ULTIMATE.start_main_~y~4) (<= 19 ULTIMATE.start_main_~x~4) (<= ULTIMATE.start_main_~x~4 19)), 44699#(and (<= 20 ULTIMATE.start_main_~x~4) (<= 20 ULTIMATE.start_main_~y~4) (<= ULTIMATE.start_main_~x~4 20)), 44700#(and (<= 20 ULTIMATE.start_main_~x~4) (<= 21 ULTIMATE.start_main_~y~4) (<= ULTIMATE.start_main_~x~4 20)), 44701#(and (<= ULTIMATE.start_main_~x~4 21) (<= 21 ULTIMATE.start_main_~y~4) (<= 21 ULTIMATE.start_main_~x~4)), 44702#(and (<= ULTIMATE.start_main_~x~4 21) (<= 21 ULTIMATE.start_main_~x~4) (<= 22 ULTIMATE.start_main_~y~4)), 44703#(and (<= ULTIMATE.start_main_~x~4 22) (<= 22 ULTIMATE.start_main_~x~4) (<= 22 ULTIMATE.start_main_~y~4)), 44704#(and (<= 23 ULTIMATE.start_main_~y~4) (<= ULTIMATE.start_main_~x~4 22) (<= 22 ULTIMATE.start_main_~x~4)), 44705#(and (<= ULTIMATE.start_main_~x~4 23) (<= 23 ULTIMATE.start_main_~x~4) (<= 23 ULTIMATE.start_main_~y~4)), 44706#(and (<= ULTIMATE.start_main_~x~4 23) (<= 23 ULTIMATE.start_main_~x~4) (<= 24 ULTIMATE.start_main_~y~4)), 44707#(and (<= 24 ULTIMATE.start_main_~y~4) (<= ULTIMATE.start_main_~x~4 24) (<= 24 ULTIMATE.start_main_~x~4)), 44708#(and (<= 25 ULTIMATE.start_main_~y~4) (<= ULTIMATE.start_main_~x~4 24) (<= 24 ULTIMATE.start_main_~x~4)), 44709#(and (<= 25 ULTIMATE.start_main_~y~4) (<= ULTIMATE.start_main_~x~4 25) (<= 25 ULTIMATE.start_main_~x~4)), 44710#(and (<= ULTIMATE.start_main_~x~4 25) (<= 26 ULTIMATE.start_main_~y~4) (<= 25 ULTIMATE.start_main_~x~4)), 44711#(and (<= ULTIMATE.start_main_~x~4 26) (<= 26 ULTIMATE.start_main_~y~4) (<= 26 ULTIMATE.start_main_~x~4)), 44712#(and (<= ULTIMATE.start_main_~x~4 26) (<= 27 ULTIMATE.start_main_~y~4) (<= 26 ULTIMATE.start_main_~x~4)), 44713#(and (<= ULTIMATE.start_main_~x~4 27) (<= 27 ULTIMATE.start_main_~y~4) (<= 27 ULTIMATE.start_main_~x~4)), 44714#(and (<= ULTIMATE.start_main_~x~4 27) (<= 27 ULTIMATE.start_main_~x~4) (<= 28 ULTIMATE.start_main_~y~4)), 44715#(and (<= ULTIMATE.start_main_~x~4 28) (<= 28 ULTIMATE.start_main_~y~4) (<= 28 ULTIMATE.start_main_~x~4)), 44716#(and (<= ULTIMATE.start_main_~x~4 28) (<= 29 ULTIMATE.start_main_~y~4) (<= 28 ULTIMATE.start_main_~x~4)), 44717#(and (<= 29 ULTIMATE.start_main_~x~4) (<= 29 ULTIMATE.start_main_~y~4) (<= ULTIMATE.start_main_~x~4 29)), 44718#(and (<= 29 ULTIMATE.start_main_~x~4) (<= 30 ULTIMATE.start_main_~y~4) (<= ULTIMATE.start_main_~x~4 29)), 44719#(and (<= ULTIMATE.start_main_~x~4 30) (<= 30 ULTIMATE.start_main_~y~4) (<= 30 ULTIMATE.start_main_~x~4)), 44720#(and (<= ULTIMATE.start_main_~x~4 30) (<= 31 ULTIMATE.start_main_~y~4) (<= 30 ULTIMATE.start_main_~x~4)), 44721#(and (<= ULTIMATE.start_main_~x~4 31) (<= 31 ULTIMATE.start_main_~y~4) (<= 31 ULTIMATE.start_main_~x~4)), 44722#(and (<= ULTIMATE.start_main_~x~4 31) (<= 32 ULTIMATE.start_main_~y~4) (<= 31 ULTIMATE.start_main_~x~4)), 44723#(and (<= ULTIMATE.start_main_~x~4 32) (<= 32 ULTIMATE.start_main_~y~4) (<= 32 ULTIMATE.start_main_~x~4)), 44724#(and (<= ULTIMATE.start_main_~x~4 32) (<= 33 ULTIMATE.start_main_~y~4) (<= 32 ULTIMATE.start_main_~x~4)), 44725#(and (<= ULTIMATE.start_main_~x~4 33) (<= 33 ULTIMATE.start_main_~y~4) (<= 33 ULTIMATE.start_main_~x~4)), 44726#(and (<= ULTIMATE.start_main_~x~4 33) (<= 33 ULTIMATE.start_main_~x~4) (<= 34 ULTIMATE.start_main_~y~4)), 44727#(and (<= 34 ULTIMATE.start_main_~x~4) (<= ULTIMATE.start_main_~x~4 34) (<= 34 ULTIMATE.start_main_~y~4)), 44728#(and (<= 34 ULTIMATE.start_main_~x~4) (<= ULTIMATE.start_main_~x~4 34) (<= 35 ULTIMATE.start_main_~y~4)), 44729#(and (<= ULTIMATE.start_main_~x~4 35) (<= 35 ULTIMATE.start_main_~y~4) (<= 35 ULTIMATE.start_main_~x~4)), 44730#(and (<= ULTIMATE.start_main_~x~4 35) (<= 35 ULTIMATE.start_main_~x~4) (<= 36 ULTIMATE.start_main_~y~4)), 44731#(and (<= 36 ULTIMATE.start_main_~x~4) (<= ULTIMATE.start_main_~x~4 36) (<= 36 ULTIMATE.start_main_~y~4)), 44732#(and (<= 36 ULTIMATE.start_main_~x~4) (<= 37 ULTIMATE.start_main_~y~4) (<= ULTIMATE.start_main_~x~4 36)), 44733#(and (<= 37 ULTIMATE.start_main_~y~4) (<= ULTIMATE.start_main_~x~4 37) (<= 37 ULTIMATE.start_main_~x~4)), 44734#(and (<= ULTIMATE.start_main_~x~4 37) (<= 38 ULTIMATE.start_main_~y~4) (<= 37 ULTIMATE.start_main_~x~4)), 44735#(and (<= 38 ULTIMATE.start_main_~x~4) (<= ULTIMATE.start_main_~x~4 38) (<= 38 ULTIMATE.start_main_~y~4)), 44736#(and (<= 38 ULTIMATE.start_main_~x~4) (<= 39 ULTIMATE.start_main_~y~4) (<= ULTIMATE.start_main_~x~4 38)), 44737#(and (<= 39 ULTIMATE.start_main_~y~4) (<= ULTIMATE.start_main_~x~4 39) (<= 39 ULTIMATE.start_main_~x~4)), 44738#(and (<= ULTIMATE.start_main_~x~4 39) (<= 39 ULTIMATE.start_main_~x~4) (<= 40 ULTIMATE.start_main_~y~4)), 44739#(and (<= ULTIMATE.start_main_~x~4 40) (<= 40 ULTIMATE.start_main_~x~4) (<= 40 ULTIMATE.start_main_~y~4)), 44740#(and (<= ULTIMATE.start_main_~x~4 40) (<= 40 ULTIMATE.start_main_~x~4) (<= 41 ULTIMATE.start_main_~y~4)), 44741#(and (<= ULTIMATE.start_main_~x~4 41) (<= 41 ULTIMATE.start_main_~x~4) (<= 41 ULTIMATE.start_main_~y~4)), 44742#(and (<= ULTIMATE.start_main_~x~4 41) (<= 41 ULTIMATE.start_main_~x~4) (<= 42 ULTIMATE.start_main_~y~4)), 44743#(and (<= 42 ULTIMATE.start_main_~y~4) (<= ULTIMATE.start_main_~x~4 42) (<= 42 ULTIMATE.start_main_~x~4)), 44744#(and (<= 43 ULTIMATE.start_main_~y~4) (<= ULTIMATE.start_main_~x~4 42) (<= 42 ULTIMATE.start_main_~x~4)), 44745#(and (<= 43 ULTIMATE.start_main_~y~4) (<= ULTIMATE.start_main_~x~4 43) (<= 43 ULTIMATE.start_main_~x~4)), 44746#(and (<= ULTIMATE.start_main_~x~4 43) (<= 44 ULTIMATE.start_main_~y~4) (<= 43 ULTIMATE.start_main_~x~4)), 44747#(and (<= 44 ULTIMATE.start_main_~x~4) (<= ULTIMATE.start_main_~x~4 44) (<= 44 ULTIMATE.start_main_~y~4)), 44748#(and (<= 44 ULTIMATE.start_main_~x~4) (<= ULTIMATE.start_main_~x~4 44) (<= 45 ULTIMATE.start_main_~y~4)), 44749#(and (<= 45 ULTIMATE.start_main_~y~4) (<= 45 ULTIMATE.start_main_~x~4) (<= ULTIMATE.start_main_~x~4 45)), 44750#(and (<= 46 ULTIMATE.start_main_~y~4) (<= 45 ULTIMATE.start_main_~x~4) (<= ULTIMATE.start_main_~x~4 45)), 44751#(and (<= ULTIMATE.start_main_~x~4 46) (<= 46 ULTIMATE.start_main_~x~4) (<= 46 ULTIMATE.start_main_~y~4)), 44752#(and (<= ULTIMATE.start_main_~x~4 46) (<= 47 ULTIMATE.start_main_~y~4) (<= 46 ULTIMATE.start_main_~x~4)), 44753#(and (<= 47 ULTIMATE.start_main_~y~4) (<= 47 ULTIMATE.start_main_~x~4) (<= ULTIMATE.start_main_~x~4 47)), 44754#(and (<= 48 ULTIMATE.start_main_~y~4) (<= 47 ULTIMATE.start_main_~x~4) (<= ULTIMATE.start_main_~x~4 47)), 44755#(and (<= 48 ULTIMATE.start_main_~x~4) (<= 48 ULTIMATE.start_main_~y~4) (<= ULTIMATE.start_main_~x~4 48)), 44756#(and (<= 48 ULTIMATE.start_main_~x~4) (<= 49 ULTIMATE.start_main_~y~4) (<= ULTIMATE.start_main_~x~4 48)), 44757#(and (<= 49 ULTIMATE.start_main_~x~4) (<= 49 ULTIMATE.start_main_~y~4) (<= ULTIMATE.start_main_~x~4 49)), 44758#(and (<= 49 ULTIMATE.start_main_~x~4) (<= 50 ULTIMATE.start_main_~y~4)), 44759#(and (<= 50 ULTIMATE.start_main_~x~4) (<= 50 ULTIMATE.start_main_~y~4)), 44760#(and (<= 50 ULTIMATE.start_main_~x~4) (<= 49 ULTIMATE.start_main_~y~4)), 44761#(and (<= 51 ULTIMATE.start_main_~x~4) (<= 49 ULTIMATE.start_main_~y~4)), 44762#(and (<= 51 ULTIMATE.start_main_~x~4) (<= 48 ULTIMATE.start_main_~y~4)), 44763#(and (<= 52 ULTIMATE.start_main_~x~4) (<= 48 ULTIMATE.start_main_~y~4)), 44764#(and (<= 52 ULTIMATE.start_main_~x~4) (<= 47 ULTIMATE.start_main_~y~4)), 44765#(and (<= 47 ULTIMATE.start_main_~y~4) (<= 53 ULTIMATE.start_main_~x~4)), 44766#(and (<= 53 ULTIMATE.start_main_~x~4) (<= 46 ULTIMATE.start_main_~y~4)), 44767#(and (<= 54 ULTIMATE.start_main_~x~4) (<= 46 ULTIMATE.start_main_~y~4)), 44768#(and (<= 45 ULTIMATE.start_main_~y~4) (<= 54 ULTIMATE.start_main_~x~4)), 44769#(and (<= 45 ULTIMATE.start_main_~y~4) (<= 55 ULTIMATE.start_main_~x~4)), 44770#(and (<= 55 ULTIMATE.start_main_~x~4) (<= 44 ULTIMATE.start_main_~y~4)), 44771#(and (<= 56 ULTIMATE.start_main_~x~4) (<= 44 ULTIMATE.start_main_~y~4)), 44772#(and (<= 56 ULTIMATE.start_main_~x~4) (<= 43 ULTIMATE.start_main_~y~4)), 44773#(and (<= 43 ULTIMATE.start_main_~y~4) (<= 57 ULTIMATE.start_main_~x~4)), 44774#(and (<= 42 ULTIMATE.start_main_~y~4) (<= 57 ULTIMATE.start_main_~x~4)), 44775#(and (<= 58 ULTIMATE.start_main_~x~4) (<= 42 ULTIMATE.start_main_~y~4)), 44776#(and (<= 58 ULTIMATE.start_main_~x~4) (<= 41 ULTIMATE.start_main_~y~4)), 44777#(and (<= 41 ULTIMATE.start_main_~y~4) (<= 59 ULTIMATE.start_main_~x~4)), 44778#(and (<= 40 ULTIMATE.start_main_~y~4) (<= 59 ULTIMATE.start_main_~x~4)), 44779#(and (<= 60 ULTIMATE.start_main_~x~4) (<= 40 ULTIMATE.start_main_~y~4)), 44780#(and (<= 39 ULTIMATE.start_main_~y~4) (<= 60 ULTIMATE.start_main_~x~4)), 44781#(and (<= 61 ULTIMATE.start_main_~x~4) (<= 39 ULTIMATE.start_main_~y~4)), 44782#(and (<= 61 ULTIMATE.start_main_~x~4) (<= 38 ULTIMATE.start_main_~y~4)), 44783#(and (<= 38 ULTIMATE.start_main_~y~4) (<= 62 ULTIMATE.start_main_~x~4)), 44784#(and (<= 37 ULTIMATE.start_main_~y~4) (<= 62 ULTIMATE.start_main_~x~4)), 44785#(and (<= 63 ULTIMATE.start_main_~x~4) (<= 37 ULTIMATE.start_main_~y~4)), 44786#(and (<= 63 ULTIMATE.start_main_~x~4) (<= 36 ULTIMATE.start_main_~y~4)), 44787#(and (<= 64 ULTIMATE.start_main_~x~4) (<= 36 ULTIMATE.start_main_~y~4)), 44788#(and (<= 35 ULTIMATE.start_main_~y~4) (<= 64 ULTIMATE.start_main_~x~4)), 44789#(and (<= 35 ULTIMATE.start_main_~y~4) (<= 65 ULTIMATE.start_main_~x~4)), 44790#(and (<= 34 ULTIMATE.start_main_~y~4) (<= 65 ULTIMATE.start_main_~x~4)), 44791#(and (<= 66 ULTIMATE.start_main_~x~4) (<= 34 ULTIMATE.start_main_~y~4)), 44792#(and (<= 66 ULTIMATE.start_main_~x~4) (<= 33 ULTIMATE.start_main_~y~4)), 44793#(and (<= 67 ULTIMATE.start_main_~x~4) (<= 33 ULTIMATE.start_main_~y~4)), 44794#(and (<= 67 ULTIMATE.start_main_~x~4) (<= 32 ULTIMATE.start_main_~y~4)), 44795#(and (<= 32 ULTIMATE.start_main_~y~4) (<= 68 ULTIMATE.start_main_~x~4)), 44796#(and (<= 31 ULTIMATE.start_main_~y~4) (<= 68 ULTIMATE.start_main_~x~4)), 44797#(and (<= 31 ULTIMATE.start_main_~y~4) (<= 69 ULTIMATE.start_main_~x~4)), 44798#(and (<= 30 ULTIMATE.start_main_~y~4) (<= 69 ULTIMATE.start_main_~x~4)), 44799#(and (<= 70 ULTIMATE.start_main_~x~4) (<= 30 ULTIMATE.start_main_~y~4))] [2018-07-23 13:42:25,583 INFO L134 CoverageAnalysis]: Checked inductivity of 8190 backedges. 0 proven. 8190 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2018-07-23 13:42:25,583 INFO L450 AbstractCegarLoop]: Interpolant automaton has 183 states [2018-07-23 13:42:25,583 INFO L132 InterpolantAutomaton]: Constructing interpolant automaton starting with 183 interpolants. [2018-07-23 13:42:25,585 INFO L133 InterpolantAutomaton]: CoverageRelationStatistics Valid=830, Invalid=32476, Unknown=0, NotChecked=0, Total=33306 [2018-07-23 13:42:25,585 INFO L87 Difference]: Start difference. First operand 185 states and 185 transitions. Second operand 183 states. [2018-07-23 13:42:26,717 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2018-07-23 13:42:26,717 INFO L93 Difference]: Finished difference Result 190 states and 190 transitions. [2018-07-23 13:42:26,717 INFO L142 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 183 states. [2018-07-23 13:42:26,717 INFO L78 Accepts]: Start accepts. Automaton has 183 states. Word has length 184 [2018-07-23 13:42:26,717 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2018-07-23 13:42:26,718 INFO L225 Difference]: With dead ends: 190 [2018-07-23 13:42:26,718 INFO L226 Difference]: Without dead ends: 188 [2018-07-23 13:42:26,720 INFO L575 BasicCegarLoop]: 0 DeclaredPredicates, 184 GetRequests, 1 SyntacticMatches, 1 SemanticMatches, 182 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 10003 ImplicationChecksByTransitivity, 0.9s TimeCoverageRelationStatistics Valid=836, Invalid=32836, Unknown=0, NotChecked=0, Total=33672 [2018-07-23 13:42:26,720 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 188 states. [2018-07-23 13:42:26,745 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 188 to 187. [2018-07-23 13:42:26,745 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 187 states. [2018-07-23 13:42:26,745 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 187 states to 187 states and 187 transitions. [2018-07-23 13:42:26,746 INFO L78 Accepts]: Start accepts. Automaton has 187 states and 187 transitions. Word has length 184 [2018-07-23 13:42:26,746 INFO L84 Accepts]: Finished accepts. word is rejected. [2018-07-23 13:42:26,746 INFO L471 AbstractCegarLoop]: Abstraction has 187 states and 187 transitions. [2018-07-23 13:42:26,746 INFO L472 AbstractCegarLoop]: Interpolant automaton has 183 states. [2018-07-23 13:42:26,746 INFO L276 IsEmpty]: Start isEmpty. Operand 187 states and 187 transitions. [2018-07-23 13:42:26,747 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 187 [2018-07-23 13:42:26,747 INFO L349 BasicCegarLoop]: Found error trace [2018-07-23 13:42:26,747 INFO L357 BasicCegarLoop]: trace histogram [92, 91, 1, 1, 1] [2018-07-23 13:42:26,747 INFO L414 AbstractCegarLoop]: === Iteration 92 === [ULTIMATE.startErr0AssertViolationASSERT]=== [2018-07-23 13:42:26,747 INFO L82 PathProgramCache]: Analyzing trace with hash -1769297862, now seen corresponding path program 91 times [2018-07-23 13:42:26,747 INFO L69 tionRefinementEngine]: Using refinement strategy FixedRefinementStrategy [2018-07-23 13:42:26,771 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-07-23 13:42:28,144 INFO L134 CoverageAnalysis]: Checked inductivity of 8372 backedges. 0 proven. 8372 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2018-07-23 13:42:28,144 INFO L309 seRefinementStrategy]: Constructing automaton from 0 perfect and 1 imperfect interpolant sequences. [2018-07-23 13:42:28,144 INFO L324 seRefinementStrategy]: Number of different interpolants: perfect sequences [] imperfect sequences [184] total 184 [2018-07-23 13:42:28,145 INFO L142 lantAutomatonBuilder]: Constructing canonical interpolant automaton, with selfloop in false state [2018-07-23 13:42:28,145 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2018-07-23 13:42:28,145 INFO L185 omatonBuilderFactory]: Interpolants [45596#true, 45597#false, 45598#(and (<= 0 ULTIMATE.start_main_~y~4) (<= ULTIMATE.start_main_~x~4 0) (<= 0 ULTIMATE.start_main_~x~4)), 45599#(and (<= ULTIMATE.start_main_~x~4 0) (<= 0 ULTIMATE.start_main_~x~4) (<= 1 ULTIMATE.start_main_~y~4)), 45600#(and (<= ULTIMATE.start_main_~x~4 1) (<= 1 ULTIMATE.start_main_~y~4) (<= 1 ULTIMATE.start_main_~x~4)), 45601#(and (<= 2 ULTIMATE.start_main_~y~4) (<= ULTIMATE.start_main_~x~4 1) (<= 1 ULTIMATE.start_main_~x~4)), 45602#(and (<= 2 ULTIMATE.start_main_~y~4) (<= 2 ULTIMATE.start_main_~x~4) (<= ULTIMATE.start_main_~x~4 2)), 45603#(and (<= 3 ULTIMATE.start_main_~y~4) (<= 2 ULTIMATE.start_main_~x~4) (<= ULTIMATE.start_main_~x~4 2)), 45604#(and (<= 3 ULTIMATE.start_main_~x~4) (<= 3 ULTIMATE.start_main_~y~4) (<= ULTIMATE.start_main_~x~4 3)), 45605#(and (<= 3 ULTIMATE.start_main_~x~4) (<= 4 ULTIMATE.start_main_~y~4) (<= ULTIMATE.start_main_~x~4 3)), 45606#(and (<= 4 ULTIMATE.start_main_~y~4) (<= ULTIMATE.start_main_~x~4 4) (<= 4 ULTIMATE.start_main_~x~4)), 45607#(and (<= 5 ULTIMATE.start_main_~y~4) (<= ULTIMATE.start_main_~x~4 4) (<= 4 ULTIMATE.start_main_~x~4)), 45608#(and (<= ULTIMATE.start_main_~x~4 5) (<= 5 ULTIMATE.start_main_~y~4) (<= 5 ULTIMATE.start_main_~x~4)), 45609#(and (<= ULTIMATE.start_main_~x~4 5) (<= 6 ULTIMATE.start_main_~y~4) (<= 5 ULTIMATE.start_main_~x~4)), 45610#(and (<= 6 ULTIMATE.start_main_~x~4) (<= 6 ULTIMATE.start_main_~y~4) (<= ULTIMATE.start_main_~x~4 6)), 45611#(and (<= 6 ULTIMATE.start_main_~x~4) (<= 7 ULTIMATE.start_main_~y~4) (<= ULTIMATE.start_main_~x~4 6)), 45612#(and (<= ULTIMATE.start_main_~x~4 7) (<= 7 ULTIMATE.start_main_~y~4) (<= 7 ULTIMATE.start_main_~x~4)), 45613#(and (<= ULTIMATE.start_main_~x~4 7) (<= 7 ULTIMATE.start_main_~x~4) (<= 8 ULTIMATE.start_main_~y~4)), 45614#(and (<= ULTIMATE.start_main_~x~4 8) (<= 8 ULTIMATE.start_main_~y~4) (<= 8 ULTIMATE.start_main_~x~4)), 45615#(and (<= ULTIMATE.start_main_~x~4 8) (<= 8 ULTIMATE.start_main_~x~4) (<= 9 ULTIMATE.start_main_~y~4)), 45616#(and (<= 9 ULTIMATE.start_main_~x~4) (<= ULTIMATE.start_main_~x~4 9) (<= 9 ULTIMATE.start_main_~y~4)), 45617#(and (<= 9 ULTIMATE.start_main_~x~4) (<= 10 ULTIMATE.start_main_~y~4) (<= ULTIMATE.start_main_~x~4 9)), 45618#(and (<= ULTIMATE.start_main_~x~4 10) (<= 10 ULTIMATE.start_main_~y~4) (<= 10 ULTIMATE.start_main_~x~4)), 45619#(and (<= ULTIMATE.start_main_~x~4 10) (<= 11 ULTIMATE.start_main_~y~4) (<= 10 ULTIMATE.start_main_~x~4)), 45620#(and (<= ULTIMATE.start_main_~x~4 11) (<= 11 ULTIMATE.start_main_~x~4) (<= 11 ULTIMATE.start_main_~y~4)), 45621#(and (<= ULTIMATE.start_main_~x~4 11) (<= 11 ULTIMATE.start_main_~x~4) (<= 12 ULTIMATE.start_main_~y~4)), 45622#(and (<= 12 ULTIMATE.start_main_~x~4) (<= 12 ULTIMATE.start_main_~y~4) (<= ULTIMATE.start_main_~x~4 12)), 45623#(and (<= 12 ULTIMATE.start_main_~x~4) (<= 13 ULTIMATE.start_main_~y~4) (<= ULTIMATE.start_main_~x~4 12)), 45624#(and (<= 13 ULTIMATE.start_main_~y~4) (<= ULTIMATE.start_main_~x~4 13) (<= 13 ULTIMATE.start_main_~x~4)), 45625#(and (<= 14 ULTIMATE.start_main_~y~4) (<= ULTIMATE.start_main_~x~4 13) (<= 13 ULTIMATE.start_main_~x~4)), 45626#(and (<= 14 ULTIMATE.start_main_~y~4) (<= 14 ULTIMATE.start_main_~x~4) (<= ULTIMATE.start_main_~x~4 14)), 45627#(and (<= 14 ULTIMATE.start_main_~x~4) (<= ULTIMATE.start_main_~x~4 14) (<= 15 ULTIMATE.start_main_~y~4)), 45628#(and (<= 15 ULTIMATE.start_main_~x~4) (<= 15 ULTIMATE.start_main_~y~4) (<= ULTIMATE.start_main_~x~4 15)), 45629#(and (<= 15 ULTIMATE.start_main_~x~4) (<= 16 ULTIMATE.start_main_~y~4) (<= ULTIMATE.start_main_~x~4 15)), 45630#(and (<= ULTIMATE.start_main_~x~4 16) (<= 16 ULTIMATE.start_main_~x~4) (<= 16 ULTIMATE.start_main_~y~4)), 45631#(and (<= ULTIMATE.start_main_~x~4 16) (<= 16 ULTIMATE.start_main_~x~4) (<= 17 ULTIMATE.start_main_~y~4)), 45632#(and (<= ULTIMATE.start_main_~x~4 17) (<= 17 ULTIMATE.start_main_~y~4) (<= 17 ULTIMATE.start_main_~x~4)), 45633#(and (<= 18 ULTIMATE.start_main_~y~4) (<= ULTIMATE.start_main_~x~4 17) (<= 17 ULTIMATE.start_main_~x~4)), 45634#(and (<= 18 ULTIMATE.start_main_~y~4) (<= 18 ULTIMATE.start_main_~x~4) (<= ULTIMATE.start_main_~x~4 18)), 45635#(and (<= 18 ULTIMATE.start_main_~x~4) (<= ULTIMATE.start_main_~x~4 18) (<= 19 ULTIMATE.start_main_~y~4)), 45636#(and (<= 19 ULTIMATE.start_main_~y~4) (<= 19 ULTIMATE.start_main_~x~4) (<= ULTIMATE.start_main_~x~4 19)), 45637#(and (<= 20 ULTIMATE.start_main_~y~4) (<= 19 ULTIMATE.start_main_~x~4) (<= ULTIMATE.start_main_~x~4 19)), 45638#(and (<= 20 ULTIMATE.start_main_~x~4) (<= 20 ULTIMATE.start_main_~y~4) (<= ULTIMATE.start_main_~x~4 20)), 45639#(and (<= 20 ULTIMATE.start_main_~x~4) (<= 21 ULTIMATE.start_main_~y~4) (<= ULTIMATE.start_main_~x~4 20)), 45640#(and (<= ULTIMATE.start_main_~x~4 21) (<= 21 ULTIMATE.start_main_~y~4) (<= 21 ULTIMATE.start_main_~x~4)), 45641#(and (<= ULTIMATE.start_main_~x~4 21) (<= 21 ULTIMATE.start_main_~x~4) (<= 22 ULTIMATE.start_main_~y~4)), 45642#(and (<= ULTIMATE.start_main_~x~4 22) (<= 22 ULTIMATE.start_main_~x~4) (<= 22 ULTIMATE.start_main_~y~4)), 45643#(and (<= 23 ULTIMATE.start_main_~y~4) (<= ULTIMATE.start_main_~x~4 22) (<= 22 ULTIMATE.start_main_~x~4)), 45644#(and (<= ULTIMATE.start_main_~x~4 23) (<= 23 ULTIMATE.start_main_~x~4) (<= 23 ULTIMATE.start_main_~y~4)), 45645#(and (<= ULTIMATE.start_main_~x~4 23) (<= 23 ULTIMATE.start_main_~x~4) (<= 24 ULTIMATE.start_main_~y~4)), 45646#(and (<= 24 ULTIMATE.start_main_~y~4) (<= ULTIMATE.start_main_~x~4 24) (<= 24 ULTIMATE.start_main_~x~4)), 45647#(and (<= 25 ULTIMATE.start_main_~y~4) (<= ULTIMATE.start_main_~x~4 24) (<= 24 ULTIMATE.start_main_~x~4)), 45648#(and (<= 25 ULTIMATE.start_main_~y~4) (<= ULTIMATE.start_main_~x~4 25) (<= 25 ULTIMATE.start_main_~x~4)), 45649#(and (<= ULTIMATE.start_main_~x~4 25) (<= 26 ULTIMATE.start_main_~y~4) (<= 25 ULTIMATE.start_main_~x~4)), 45650#(and (<= ULTIMATE.start_main_~x~4 26) (<= 26 ULTIMATE.start_main_~y~4) (<= 26 ULTIMATE.start_main_~x~4)), 45651#(and (<= ULTIMATE.start_main_~x~4 26) (<= 27 ULTIMATE.start_main_~y~4) (<= 26 ULTIMATE.start_main_~x~4)), 45652#(and (<= ULTIMATE.start_main_~x~4 27) (<= 27 ULTIMATE.start_main_~y~4) (<= 27 ULTIMATE.start_main_~x~4)), 45653#(and (<= ULTIMATE.start_main_~x~4 27) (<= 27 ULTIMATE.start_main_~x~4) (<= 28 ULTIMATE.start_main_~y~4)), 45654#(and (<= ULTIMATE.start_main_~x~4 28) (<= 28 ULTIMATE.start_main_~y~4) (<= 28 ULTIMATE.start_main_~x~4)), 45655#(and (<= ULTIMATE.start_main_~x~4 28) (<= 29 ULTIMATE.start_main_~y~4) (<= 28 ULTIMATE.start_main_~x~4)), 45656#(and (<= 29 ULTIMATE.start_main_~x~4) (<= 29 ULTIMATE.start_main_~y~4) (<= ULTIMATE.start_main_~x~4 29)), 45657#(and (<= 29 ULTIMATE.start_main_~x~4) (<= 30 ULTIMATE.start_main_~y~4) (<= ULTIMATE.start_main_~x~4 29)), 45658#(and (<= ULTIMATE.start_main_~x~4 30) (<= 30 ULTIMATE.start_main_~y~4) (<= 30 ULTIMATE.start_main_~x~4)), 45659#(and (<= ULTIMATE.start_main_~x~4 30) (<= 31 ULTIMATE.start_main_~y~4) (<= 30 ULTIMATE.start_main_~x~4)), 45660#(and (<= ULTIMATE.start_main_~x~4 31) (<= 31 ULTIMATE.start_main_~y~4) (<= 31 ULTIMATE.start_main_~x~4)), 45661#(and (<= ULTIMATE.start_main_~x~4 31) (<= 32 ULTIMATE.start_main_~y~4) (<= 31 ULTIMATE.start_main_~x~4)), 45662#(and (<= ULTIMATE.start_main_~x~4 32) (<= 32 ULTIMATE.start_main_~y~4) (<= 32 ULTIMATE.start_main_~x~4)), 45663#(and (<= ULTIMATE.start_main_~x~4 32) (<= 33 ULTIMATE.start_main_~y~4) (<= 32 ULTIMATE.start_main_~x~4)), 45664#(and (<= ULTIMATE.start_main_~x~4 33) (<= 33 ULTIMATE.start_main_~y~4) (<= 33 ULTIMATE.start_main_~x~4)), 45665#(and (<= ULTIMATE.start_main_~x~4 33) (<= 33 ULTIMATE.start_main_~x~4) (<= 34 ULTIMATE.start_main_~y~4)), 45666#(and (<= 34 ULTIMATE.start_main_~x~4) (<= ULTIMATE.start_main_~x~4 34) (<= 34 ULTIMATE.start_main_~y~4)), 45667#(and (<= 34 ULTIMATE.start_main_~x~4) (<= ULTIMATE.start_main_~x~4 34) (<= 35 ULTIMATE.start_main_~y~4)), 45668#(and (<= ULTIMATE.start_main_~x~4 35) (<= 35 ULTIMATE.start_main_~y~4) (<= 35 ULTIMATE.start_main_~x~4)), 45669#(and (<= ULTIMATE.start_main_~x~4 35) (<= 35 ULTIMATE.start_main_~x~4) (<= 36 ULTIMATE.start_main_~y~4)), 45670#(and (<= 36 ULTIMATE.start_main_~x~4) (<= ULTIMATE.start_main_~x~4 36) (<= 36 ULTIMATE.start_main_~y~4)), 45671#(and (<= 36 ULTIMATE.start_main_~x~4) (<= 37 ULTIMATE.start_main_~y~4) (<= ULTIMATE.start_main_~x~4 36)), 45672#(and (<= 37 ULTIMATE.start_main_~y~4) (<= ULTIMATE.start_main_~x~4 37) (<= 37 ULTIMATE.start_main_~x~4)), 45673#(and (<= ULTIMATE.start_main_~x~4 37) (<= 38 ULTIMATE.start_main_~y~4) (<= 37 ULTIMATE.start_main_~x~4)), 45674#(and (<= 38 ULTIMATE.start_main_~x~4) (<= ULTIMATE.start_main_~x~4 38) (<= 38 ULTIMATE.start_main_~y~4)), 45675#(and (<= 38 ULTIMATE.start_main_~x~4) (<= 39 ULTIMATE.start_main_~y~4) (<= ULTIMATE.start_main_~x~4 38)), 45676#(and (<= 39 ULTIMATE.start_main_~y~4) (<= ULTIMATE.start_main_~x~4 39) (<= 39 ULTIMATE.start_main_~x~4)), 45677#(and (<= ULTIMATE.start_main_~x~4 39) (<= 39 ULTIMATE.start_main_~x~4) (<= 40 ULTIMATE.start_main_~y~4)), 45678#(and (<= ULTIMATE.start_main_~x~4 40) (<= 40 ULTIMATE.start_main_~x~4) (<= 40 ULTIMATE.start_main_~y~4)), 45679#(and (<= ULTIMATE.start_main_~x~4 40) (<= 40 ULTIMATE.start_main_~x~4) (<= 41 ULTIMATE.start_main_~y~4)), 45680#(and (<= ULTIMATE.start_main_~x~4 41) (<= 41 ULTIMATE.start_main_~x~4) (<= 41 ULTIMATE.start_main_~y~4)), 45681#(and (<= ULTIMATE.start_main_~x~4 41) (<= 41 ULTIMATE.start_main_~x~4) (<= 42 ULTIMATE.start_main_~y~4)), 45682#(and (<= 42 ULTIMATE.start_main_~y~4) (<= ULTIMATE.start_main_~x~4 42) (<= 42 ULTIMATE.start_main_~x~4)), 45683#(and (<= 43 ULTIMATE.start_main_~y~4) (<= ULTIMATE.start_main_~x~4 42) (<= 42 ULTIMATE.start_main_~x~4)), 45684#(and (<= 43 ULTIMATE.start_main_~y~4) (<= ULTIMATE.start_main_~x~4 43) (<= 43 ULTIMATE.start_main_~x~4)), 45685#(and (<= ULTIMATE.start_main_~x~4 43) (<= 44 ULTIMATE.start_main_~y~4) (<= 43 ULTIMATE.start_main_~x~4)), 45686#(and (<= 44 ULTIMATE.start_main_~x~4) (<= ULTIMATE.start_main_~x~4 44) (<= 44 ULTIMATE.start_main_~y~4)), 45687#(and (<= 44 ULTIMATE.start_main_~x~4) (<= ULTIMATE.start_main_~x~4 44) (<= 45 ULTIMATE.start_main_~y~4)), 45688#(and (<= 45 ULTIMATE.start_main_~y~4) (<= 45 ULTIMATE.start_main_~x~4) (<= ULTIMATE.start_main_~x~4 45)), 45689#(and (<= 46 ULTIMATE.start_main_~y~4) (<= 45 ULTIMATE.start_main_~x~4) (<= ULTIMATE.start_main_~x~4 45)), 45690#(and (<= ULTIMATE.start_main_~x~4 46) (<= 46 ULTIMATE.start_main_~x~4) (<= 46 ULTIMATE.start_main_~y~4)), 45691#(and (<= ULTIMATE.start_main_~x~4 46) (<= 47 ULTIMATE.start_main_~y~4) (<= 46 ULTIMATE.start_main_~x~4)), 45692#(and (<= 47 ULTIMATE.start_main_~y~4) (<= 47 ULTIMATE.start_main_~x~4) (<= ULTIMATE.start_main_~x~4 47)), 45693#(and (<= 48 ULTIMATE.start_main_~y~4) (<= 47 ULTIMATE.start_main_~x~4) (<= ULTIMATE.start_main_~x~4 47)), 45694#(and (<= 48 ULTIMATE.start_main_~x~4) (<= 48 ULTIMATE.start_main_~y~4) (<= ULTIMATE.start_main_~x~4 48)), 45695#(and (<= 48 ULTIMATE.start_main_~x~4) (<= 49 ULTIMATE.start_main_~y~4) (<= ULTIMATE.start_main_~x~4 48)), 45696#(and (<= 49 ULTIMATE.start_main_~x~4) (<= 49 ULTIMATE.start_main_~y~4) (<= ULTIMATE.start_main_~x~4 49)), 45697#(and (<= 49 ULTIMATE.start_main_~x~4) (<= 50 ULTIMATE.start_main_~y~4)), 45698#(and (<= 50 ULTIMATE.start_main_~x~4) (<= 50 ULTIMATE.start_main_~y~4)), 45699#(and (<= 50 ULTIMATE.start_main_~x~4) (<= 49 ULTIMATE.start_main_~y~4)), 45700#(and (<= 51 ULTIMATE.start_main_~x~4) (<= 49 ULTIMATE.start_main_~y~4)), 45701#(and (<= 51 ULTIMATE.start_main_~x~4) (<= 48 ULTIMATE.start_main_~y~4)), 45702#(and (<= 52 ULTIMATE.start_main_~x~4) (<= 48 ULTIMATE.start_main_~y~4)), 45703#(and (<= 52 ULTIMATE.start_main_~x~4) (<= 47 ULTIMATE.start_main_~y~4)), 45704#(and (<= 47 ULTIMATE.start_main_~y~4) (<= 53 ULTIMATE.start_main_~x~4)), 45705#(and (<= 53 ULTIMATE.start_main_~x~4) (<= 46 ULTIMATE.start_main_~y~4)), 45706#(and (<= 54 ULTIMATE.start_main_~x~4) (<= 46 ULTIMATE.start_main_~y~4)), 45707#(and (<= 45 ULTIMATE.start_main_~y~4) (<= 54 ULTIMATE.start_main_~x~4)), 45708#(and (<= 45 ULTIMATE.start_main_~y~4) (<= 55 ULTIMATE.start_main_~x~4)), 45709#(and (<= 55 ULTIMATE.start_main_~x~4) (<= 44 ULTIMATE.start_main_~y~4)), 45710#(and (<= 56 ULTIMATE.start_main_~x~4) (<= 44 ULTIMATE.start_main_~y~4)), 45711#(and (<= 56 ULTIMATE.start_main_~x~4) (<= 43 ULTIMATE.start_main_~y~4)), 45712#(and (<= 43 ULTIMATE.start_main_~y~4) (<= 57 ULTIMATE.start_main_~x~4)), 45713#(and (<= 42 ULTIMATE.start_main_~y~4) (<= 57 ULTIMATE.start_main_~x~4)), 45714#(and (<= 58 ULTIMATE.start_main_~x~4) (<= 42 ULTIMATE.start_main_~y~4)), 45715#(and (<= 58 ULTIMATE.start_main_~x~4) (<= 41 ULTIMATE.start_main_~y~4)), 45716#(and (<= 41 ULTIMATE.start_main_~y~4) (<= 59 ULTIMATE.start_main_~x~4)), 45717#(and (<= 40 ULTIMATE.start_main_~y~4) (<= 59 ULTIMATE.start_main_~x~4)), 45718#(and (<= 60 ULTIMATE.start_main_~x~4) (<= 40 ULTIMATE.start_main_~y~4)), 45719#(and (<= 39 ULTIMATE.start_main_~y~4) (<= 60 ULTIMATE.start_main_~x~4)), 45720#(and (<= 61 ULTIMATE.start_main_~x~4) (<= 39 ULTIMATE.start_main_~y~4)), 45721#(and (<= 61 ULTIMATE.start_main_~x~4) (<= 38 ULTIMATE.start_main_~y~4)), 45722#(and (<= 38 ULTIMATE.start_main_~y~4) (<= 62 ULTIMATE.start_main_~x~4)), 45723#(and (<= 37 ULTIMATE.start_main_~y~4) (<= 62 ULTIMATE.start_main_~x~4)), 45724#(and (<= 63 ULTIMATE.start_main_~x~4) (<= 37 ULTIMATE.start_main_~y~4)), 45725#(and (<= 63 ULTIMATE.start_main_~x~4) (<= 36 ULTIMATE.start_main_~y~4)), 45726#(and (<= 64 ULTIMATE.start_main_~x~4) (<= 36 ULTIMATE.start_main_~y~4)), 45727#(and (<= 35 ULTIMATE.start_main_~y~4) (<= 64 ULTIMATE.start_main_~x~4)), 45728#(and (<= 35 ULTIMATE.start_main_~y~4) (<= 65 ULTIMATE.start_main_~x~4)), 45729#(and (<= 34 ULTIMATE.start_main_~y~4) (<= 65 ULTIMATE.start_main_~x~4)), 45730#(and (<= 66 ULTIMATE.start_main_~x~4) (<= 34 ULTIMATE.start_main_~y~4)), 45731#(and (<= 66 ULTIMATE.start_main_~x~4) (<= 33 ULTIMATE.start_main_~y~4)), 45732#(and (<= 67 ULTIMATE.start_main_~x~4) (<= 33 ULTIMATE.start_main_~y~4)), 45733#(and (<= 67 ULTIMATE.start_main_~x~4) (<= 32 ULTIMATE.start_main_~y~4)), 45734#(and (<= 32 ULTIMATE.start_main_~y~4) (<= 68 ULTIMATE.start_main_~x~4)), 45735#(and (<= 31 ULTIMATE.start_main_~y~4) (<= 68 ULTIMATE.start_main_~x~4)), 45736#(and (<= 31 ULTIMATE.start_main_~y~4) (<= 69 ULTIMATE.start_main_~x~4)), 45737#(and (<= 30 ULTIMATE.start_main_~y~4) (<= 69 ULTIMATE.start_main_~x~4)), 45738#(and (<= 70 ULTIMATE.start_main_~x~4) (<= 30 ULTIMATE.start_main_~y~4)), 45739#(and (<= 70 ULTIMATE.start_main_~x~4) (<= 29 ULTIMATE.start_main_~y~4)), 45740#(and (<= 71 ULTIMATE.start_main_~x~4) (<= 29 ULTIMATE.start_main_~y~4)), 45741#(and (<= 71 ULTIMATE.start_main_~x~4) (<= 28 ULTIMATE.start_main_~y~4)), 45742#(and (<= 72 ULTIMATE.start_main_~x~4) (<= 28 ULTIMATE.start_main_~y~4)), 45743#(and (<= 72 ULTIMATE.start_main_~x~4) (<= 27 ULTIMATE.start_main_~y~4)), 45744#(and (<= 27 ULTIMATE.start_main_~y~4) (<= 73 ULTIMATE.start_main_~x~4)), 45745#(and (<= 73 ULTIMATE.start_main_~x~4) (<= 26 ULTIMATE.start_main_~y~4)), 45746#(and (<= 74 ULTIMATE.start_main_~x~4) (<= 26 ULTIMATE.start_main_~y~4)), 45747#(and (<= 74 ULTIMATE.start_main_~x~4) (<= 25 ULTIMATE.start_main_~y~4)), 45748#(and (<= 75 ULTIMATE.start_main_~x~4) (<= 25 ULTIMATE.start_main_~y~4)), 45749#(and (<= 24 ULTIMATE.start_main_~y~4) (<= 75 ULTIMATE.start_main_~x~4)), 45750#(and (<= 24 ULTIMATE.start_main_~y~4) (<= 76 ULTIMATE.start_main_~x~4)), 45751#(and (<= 23 ULTIMATE.start_main_~y~4) (<= 76 ULTIMATE.start_main_~x~4)), 45752#(and (<= 77 ULTIMATE.start_main_~x~4) (<= 23 ULTIMATE.start_main_~y~4)), 45753#(and (<= 77 ULTIMATE.start_main_~x~4) (<= 22 ULTIMATE.start_main_~y~4)), 45754#(and (<= 78 ULTIMATE.start_main_~x~4) (<= 22 ULTIMATE.start_main_~y~4)), 45755#(and (<= 21 ULTIMATE.start_main_~y~4) (<= 78 ULTIMATE.start_main_~x~4)), 45756#(and (<= 79 ULTIMATE.start_main_~x~4) (<= 21 ULTIMATE.start_main_~y~4)), 45757#(and (<= 79 ULTIMATE.start_main_~x~4) (<= 20 ULTIMATE.start_main_~y~4)), 45758#(and (<= 20 ULTIMATE.start_main_~y~4) (<= 80 ULTIMATE.start_main_~x~4)), 45759#(and (<= 19 ULTIMATE.start_main_~y~4) (<= 80 ULTIMATE.start_main_~x~4)), 45760#(and (<= 19 ULTIMATE.start_main_~y~4) (<= 81 ULTIMATE.start_main_~x~4)), 45761#(and (<= 18 ULTIMATE.start_main_~y~4) (<= 81 ULTIMATE.start_main_~x~4)), 45762#(and (<= 18 ULTIMATE.start_main_~y~4) (<= 82 ULTIMATE.start_main_~x~4)), 45763#(and (<= 82 ULTIMATE.start_main_~x~4) (<= 17 ULTIMATE.start_main_~y~4)), 45764#(and (<= 83 ULTIMATE.start_main_~x~4) (<= 17 ULTIMATE.start_main_~y~4)), 45765#(and (<= 83 ULTIMATE.start_main_~x~4) (<= 16 ULTIMATE.start_main_~y~4)), 45766#(and (<= 16 ULTIMATE.start_main_~y~4) (<= 84 ULTIMATE.start_main_~x~4)), 45767#(and (<= 84 ULTIMATE.start_main_~x~4) (<= 15 ULTIMATE.start_main_~y~4)), 45768#(and (<= 85 ULTIMATE.start_main_~x~4) (<= 15 ULTIMATE.start_main_~y~4)), 45769#(and (<= 14 ULTIMATE.start_main_~y~4) (<= 85 ULTIMATE.start_main_~x~4)), 45770#(and (<= 14 ULTIMATE.start_main_~y~4) (<= 86 ULTIMATE.start_main_~x~4)), 45771#(and (<= 13 ULTIMATE.start_main_~y~4) (<= 86 ULTIMATE.start_main_~x~4)), 45772#(and (<= 13 ULTIMATE.start_main_~y~4) (<= 87 ULTIMATE.start_main_~x~4)), 45773#(and (<= 12 ULTIMATE.start_main_~y~4) (<= 87 ULTIMATE.start_main_~x~4)), 45774#(and (<= 12 ULTIMATE.start_main_~y~4) (<= 88 ULTIMATE.start_main_~x~4)), 45775#(and (<= 88 ULTIMATE.start_main_~x~4) (<= 11 ULTIMATE.start_main_~y~4)), 45776#(and (<= 89 ULTIMATE.start_main_~x~4) (<= 11 ULTIMATE.start_main_~y~4)), 45777#(and (<= 89 ULTIMATE.start_main_~x~4) (<= 10 ULTIMATE.start_main_~y~4)), 45778#(and (<= 90 ULTIMATE.start_main_~x~4) (<= 10 ULTIMATE.start_main_~y~4)), 45779#(<= 9 ULTIMATE.start_main_~y~4), 45780#(<= 1 ULTIMATE.start_main_~y~4)] [2018-07-23 13:42:28,146 INFO L134 CoverageAnalysis]: Checked inductivity of 8372 backedges. 0 proven. 8372 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2018-07-23 13:42:28,146 INFO L450 AbstractCegarLoop]: Interpolant automaton has 185 states [2018-07-23 13:42:28,147 INFO L132 InterpolantAutomaton]: Constructing interpolant automaton starting with 185 interpolants. [2018-07-23 13:42:28,148 INFO L133 InterpolantAutomaton]: CoverageRelationStatistics Valid=842, Invalid=33198, Unknown=0, NotChecked=0, Total=34040 [2018-07-23 13:42:28,148 INFO L87 Difference]: Start difference. First operand 187 states and 187 transitions. Second operand 185 states. [2018-07-23 13:42:29,431 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2018-07-23 13:42:29,431 INFO L93 Difference]: Finished difference Result 192 states and 192 transitions. [2018-07-23 13:42:29,431 INFO L142 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 185 states. [2018-07-23 13:42:29,431 INFO L78 Accepts]: Start accepts. Automaton has 185 states. Word has length 186 [2018-07-23 13:42:29,431 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2018-07-23 13:42:29,432 INFO L225 Difference]: With dead ends: 192 [2018-07-23 13:42:29,432 INFO L226 Difference]: Without dead ends: 190 [2018-07-23 13:42:29,433 INFO L575 BasicCegarLoop]: 0 DeclaredPredicates, 186 GetRequests, 1 SyntacticMatches, 1 SemanticMatches, 184 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 10269 ImplicationChecksByTransitivity, 1.1s TimeCoverageRelationStatistics Valid=848, Invalid=33562, Unknown=0, NotChecked=0, Total=34410 [2018-07-23 13:42:29,433 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 190 states. [2018-07-23 13:42:29,459 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 190 to 189. [2018-07-23 13:42:29,460 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 189 states. [2018-07-23 13:42:29,460 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 189 states to 189 states and 189 transitions. [2018-07-23 13:42:29,460 INFO L78 Accepts]: Start accepts. Automaton has 189 states and 189 transitions. Word has length 186 [2018-07-23 13:42:29,460 INFO L84 Accepts]: Finished accepts. word is rejected. [2018-07-23 13:42:29,460 INFO L471 AbstractCegarLoop]: Abstraction has 189 states and 189 transitions. [2018-07-23 13:42:29,460 INFO L472 AbstractCegarLoop]: Interpolant automaton has 185 states. [2018-07-23 13:42:29,460 INFO L276 IsEmpty]: Start isEmpty. Operand 189 states and 189 transitions. [2018-07-23 13:42:29,461 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 189 [2018-07-23 13:42:29,461 INFO L349 BasicCegarLoop]: Found error trace [2018-07-23 13:42:29,461 INFO L357 BasicCegarLoop]: trace histogram [93, 92, 1, 1, 1] [2018-07-23 13:42:29,461 INFO L414 AbstractCegarLoop]: === Iteration 93 === [ULTIMATE.startErr0AssertViolationASSERT]=== [2018-07-23 13:42:29,461 INFO L82 PathProgramCache]: Analyzing trace with hash 511867616, now seen corresponding path program 92 times [2018-07-23 13:42:29,462 INFO L69 tionRefinementEngine]: Using refinement strategy FixedRefinementStrategy [2018-07-23 13:42:29,484 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-07-23 13:42:30,847 INFO L134 CoverageAnalysis]: Checked inductivity of 8556 backedges. 0 proven. 8556 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2018-07-23 13:42:30,847 INFO L309 seRefinementStrategy]: Constructing automaton from 0 perfect and 1 imperfect interpolant sequences. [2018-07-23 13:42:30,847 INFO L324 seRefinementStrategy]: Number of different interpolants: perfect sequences [] imperfect sequences [186] total 186 [2018-07-23 13:42:30,847 INFO L142 lantAutomatonBuilder]: Constructing canonical interpolant automaton, with selfloop in false state [2018-07-23 13:42:30,848 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2018-07-23 13:42:30,848 INFO L185 omatonBuilderFactory]: Interpolants [46592#(and (<= 23 ULTIMATE.start_main_~y~4) (<= ULTIMATE.start_main_~x~4 22) (<= 22 ULTIMATE.start_main_~x~4)), 46593#(and (<= ULTIMATE.start_main_~x~4 23) (<= 23 ULTIMATE.start_main_~x~4) (<= 23 ULTIMATE.start_main_~y~4)), 46594#(and (<= ULTIMATE.start_main_~x~4 23) (<= 23 ULTIMATE.start_main_~x~4) (<= 24 ULTIMATE.start_main_~y~4)), 46595#(and (<= 24 ULTIMATE.start_main_~y~4) (<= ULTIMATE.start_main_~x~4 24) (<= 24 ULTIMATE.start_main_~x~4)), 46596#(and (<= 25 ULTIMATE.start_main_~y~4) (<= ULTIMATE.start_main_~x~4 24) (<= 24 ULTIMATE.start_main_~x~4)), 46597#(and (<= 25 ULTIMATE.start_main_~y~4) (<= ULTIMATE.start_main_~x~4 25) (<= 25 ULTIMATE.start_main_~x~4)), 46598#(and (<= ULTIMATE.start_main_~x~4 25) (<= 26 ULTIMATE.start_main_~y~4) (<= 25 ULTIMATE.start_main_~x~4)), 46599#(and (<= ULTIMATE.start_main_~x~4 26) (<= 26 ULTIMATE.start_main_~y~4) (<= 26 ULTIMATE.start_main_~x~4)), 46600#(and (<= ULTIMATE.start_main_~x~4 26) (<= 27 ULTIMATE.start_main_~y~4) (<= 26 ULTIMATE.start_main_~x~4)), 46601#(and (<= ULTIMATE.start_main_~x~4 27) (<= 27 ULTIMATE.start_main_~y~4) (<= 27 ULTIMATE.start_main_~x~4)), 46602#(and (<= ULTIMATE.start_main_~x~4 27) (<= 27 ULTIMATE.start_main_~x~4) (<= 28 ULTIMATE.start_main_~y~4)), 46603#(and (<= ULTIMATE.start_main_~x~4 28) (<= 28 ULTIMATE.start_main_~y~4) (<= 28 ULTIMATE.start_main_~x~4)), 46604#(and (<= ULTIMATE.start_main_~x~4 28) (<= 29 ULTIMATE.start_main_~y~4) (<= 28 ULTIMATE.start_main_~x~4)), 46605#(and (<= 29 ULTIMATE.start_main_~x~4) (<= 29 ULTIMATE.start_main_~y~4) (<= ULTIMATE.start_main_~x~4 29)), 46606#(and (<= 29 ULTIMATE.start_main_~x~4) (<= 30 ULTIMATE.start_main_~y~4) (<= ULTIMATE.start_main_~x~4 29)), 46607#(and (<= ULTIMATE.start_main_~x~4 30) (<= 30 ULTIMATE.start_main_~y~4) (<= 30 ULTIMATE.start_main_~x~4)), 46608#(and (<= ULTIMATE.start_main_~x~4 30) (<= 31 ULTIMATE.start_main_~y~4) (<= 30 ULTIMATE.start_main_~x~4)), 46609#(and (<= ULTIMATE.start_main_~x~4 31) (<= 31 ULTIMATE.start_main_~y~4) (<= 31 ULTIMATE.start_main_~x~4)), 46610#(and (<= ULTIMATE.start_main_~x~4 31) (<= 32 ULTIMATE.start_main_~y~4) (<= 31 ULTIMATE.start_main_~x~4)), 46611#(and (<= ULTIMATE.start_main_~x~4 32) (<= 32 ULTIMATE.start_main_~y~4) (<= 32 ULTIMATE.start_main_~x~4)), 46612#(and (<= ULTIMATE.start_main_~x~4 32) (<= 33 ULTIMATE.start_main_~y~4) (<= 32 ULTIMATE.start_main_~x~4)), 46613#(and (<= ULTIMATE.start_main_~x~4 33) (<= 33 ULTIMATE.start_main_~y~4) (<= 33 ULTIMATE.start_main_~x~4)), 46614#(and (<= ULTIMATE.start_main_~x~4 33) (<= 33 ULTIMATE.start_main_~x~4) (<= 34 ULTIMATE.start_main_~y~4)), 46615#(and (<= 34 ULTIMATE.start_main_~x~4) (<= ULTIMATE.start_main_~x~4 34) (<= 34 ULTIMATE.start_main_~y~4)), 46616#(and (<= 34 ULTIMATE.start_main_~x~4) (<= ULTIMATE.start_main_~x~4 34) (<= 35 ULTIMATE.start_main_~y~4)), 46617#(and (<= ULTIMATE.start_main_~x~4 35) (<= 35 ULTIMATE.start_main_~y~4) (<= 35 ULTIMATE.start_main_~x~4)), 46618#(and (<= ULTIMATE.start_main_~x~4 35) (<= 35 ULTIMATE.start_main_~x~4) (<= 36 ULTIMATE.start_main_~y~4)), 46619#(and (<= 36 ULTIMATE.start_main_~x~4) (<= ULTIMATE.start_main_~x~4 36) (<= 36 ULTIMATE.start_main_~y~4)), 46620#(and (<= 36 ULTIMATE.start_main_~x~4) (<= 37 ULTIMATE.start_main_~y~4) (<= ULTIMATE.start_main_~x~4 36)), 46621#(and (<= 37 ULTIMATE.start_main_~y~4) (<= ULTIMATE.start_main_~x~4 37) (<= 37 ULTIMATE.start_main_~x~4)), 46622#(and (<= ULTIMATE.start_main_~x~4 37) (<= 38 ULTIMATE.start_main_~y~4) (<= 37 ULTIMATE.start_main_~x~4)), 46623#(and (<= 38 ULTIMATE.start_main_~x~4) (<= ULTIMATE.start_main_~x~4 38) (<= 38 ULTIMATE.start_main_~y~4)), 46624#(and (<= 38 ULTIMATE.start_main_~x~4) (<= 39 ULTIMATE.start_main_~y~4) (<= ULTIMATE.start_main_~x~4 38)), 46625#(and (<= 39 ULTIMATE.start_main_~y~4) (<= ULTIMATE.start_main_~x~4 39) (<= 39 ULTIMATE.start_main_~x~4)), 46626#(and (<= ULTIMATE.start_main_~x~4 39) (<= 39 ULTIMATE.start_main_~x~4) (<= 40 ULTIMATE.start_main_~y~4)), 46627#(and (<= ULTIMATE.start_main_~x~4 40) (<= 40 ULTIMATE.start_main_~x~4) (<= 40 ULTIMATE.start_main_~y~4)), 46628#(and (<= ULTIMATE.start_main_~x~4 40) (<= 40 ULTIMATE.start_main_~x~4) (<= 41 ULTIMATE.start_main_~y~4)), 46629#(and (<= ULTIMATE.start_main_~x~4 41) (<= 41 ULTIMATE.start_main_~x~4) (<= 41 ULTIMATE.start_main_~y~4)), 46630#(and (<= ULTIMATE.start_main_~x~4 41) (<= 41 ULTIMATE.start_main_~x~4) (<= 42 ULTIMATE.start_main_~y~4)), 46631#(and (<= 42 ULTIMATE.start_main_~y~4) (<= ULTIMATE.start_main_~x~4 42) (<= 42 ULTIMATE.start_main_~x~4)), 46632#(and (<= 43 ULTIMATE.start_main_~y~4) (<= ULTIMATE.start_main_~x~4 42) (<= 42 ULTIMATE.start_main_~x~4)), 46633#(and (<= 43 ULTIMATE.start_main_~y~4) (<= ULTIMATE.start_main_~x~4 43) (<= 43 ULTIMATE.start_main_~x~4)), 46634#(and (<= ULTIMATE.start_main_~x~4 43) (<= 44 ULTIMATE.start_main_~y~4) (<= 43 ULTIMATE.start_main_~x~4)), 46635#(and (<= 44 ULTIMATE.start_main_~x~4) (<= ULTIMATE.start_main_~x~4 44) (<= 44 ULTIMATE.start_main_~y~4)), 46636#(and (<= 44 ULTIMATE.start_main_~x~4) (<= ULTIMATE.start_main_~x~4 44) (<= 45 ULTIMATE.start_main_~y~4)), 46637#(and (<= 45 ULTIMATE.start_main_~y~4) (<= 45 ULTIMATE.start_main_~x~4) (<= ULTIMATE.start_main_~x~4 45)), 46638#(and (<= 46 ULTIMATE.start_main_~y~4) (<= 45 ULTIMATE.start_main_~x~4) (<= ULTIMATE.start_main_~x~4 45)), 46639#(and (<= ULTIMATE.start_main_~x~4 46) (<= 46 ULTIMATE.start_main_~x~4) (<= 46 ULTIMATE.start_main_~y~4)), 46640#(and (<= ULTIMATE.start_main_~x~4 46) (<= 47 ULTIMATE.start_main_~y~4) (<= 46 ULTIMATE.start_main_~x~4)), 46641#(and (<= 47 ULTIMATE.start_main_~y~4) (<= 47 ULTIMATE.start_main_~x~4) (<= ULTIMATE.start_main_~x~4 47)), 46642#(and (<= 48 ULTIMATE.start_main_~y~4) (<= 47 ULTIMATE.start_main_~x~4) (<= ULTIMATE.start_main_~x~4 47)), 46643#(and (<= 48 ULTIMATE.start_main_~x~4) (<= 48 ULTIMATE.start_main_~y~4) (<= ULTIMATE.start_main_~x~4 48)), 46644#(and (<= 48 ULTIMATE.start_main_~x~4) (<= 49 ULTIMATE.start_main_~y~4) (<= ULTIMATE.start_main_~x~4 48)), 46645#(and (<= 49 ULTIMATE.start_main_~x~4) (<= 49 ULTIMATE.start_main_~y~4) (<= ULTIMATE.start_main_~x~4 49)), 46646#(and (<= 49 ULTIMATE.start_main_~x~4) (<= 50 ULTIMATE.start_main_~y~4)), 46647#(and (<= 50 ULTIMATE.start_main_~x~4) (<= 50 ULTIMATE.start_main_~y~4)), 46648#(and (<= 50 ULTIMATE.start_main_~x~4) (<= 49 ULTIMATE.start_main_~y~4)), 46649#(and (<= 51 ULTIMATE.start_main_~x~4) (<= 49 ULTIMATE.start_main_~y~4)), 46650#(and (<= 51 ULTIMATE.start_main_~x~4) (<= 48 ULTIMATE.start_main_~y~4)), 46651#(and (<= 52 ULTIMATE.start_main_~x~4) (<= 48 ULTIMATE.start_main_~y~4)), 46652#(and (<= 52 ULTIMATE.start_main_~x~4) (<= 47 ULTIMATE.start_main_~y~4)), 46653#(and (<= 47 ULTIMATE.start_main_~y~4) (<= 53 ULTIMATE.start_main_~x~4)), 46654#(and (<= 53 ULTIMATE.start_main_~x~4) (<= 46 ULTIMATE.start_main_~y~4)), 46655#(and (<= 54 ULTIMATE.start_main_~x~4) (<= 46 ULTIMATE.start_main_~y~4)), 46656#(and (<= 45 ULTIMATE.start_main_~y~4) (<= 54 ULTIMATE.start_main_~x~4)), 46657#(and (<= 45 ULTIMATE.start_main_~y~4) (<= 55 ULTIMATE.start_main_~x~4)), 46658#(and (<= 55 ULTIMATE.start_main_~x~4) (<= 44 ULTIMATE.start_main_~y~4)), 46659#(and (<= 56 ULTIMATE.start_main_~x~4) (<= 44 ULTIMATE.start_main_~y~4)), 46660#(and (<= 56 ULTIMATE.start_main_~x~4) (<= 43 ULTIMATE.start_main_~y~4)), 46661#(and (<= 43 ULTIMATE.start_main_~y~4) (<= 57 ULTIMATE.start_main_~x~4)), 46662#(and (<= 42 ULTIMATE.start_main_~y~4) (<= 57 ULTIMATE.start_main_~x~4)), 46663#(and (<= 58 ULTIMATE.start_main_~x~4) (<= 42 ULTIMATE.start_main_~y~4)), 46664#(and (<= 58 ULTIMATE.start_main_~x~4) (<= 41 ULTIMATE.start_main_~y~4)), 46665#(and (<= 41 ULTIMATE.start_main_~y~4) (<= 59 ULTIMATE.start_main_~x~4)), 46666#(and (<= 40 ULTIMATE.start_main_~y~4) (<= 59 ULTIMATE.start_main_~x~4)), 46667#(and (<= 60 ULTIMATE.start_main_~x~4) (<= 40 ULTIMATE.start_main_~y~4)), 46668#(and (<= 39 ULTIMATE.start_main_~y~4) (<= 60 ULTIMATE.start_main_~x~4)), 46669#(and (<= 61 ULTIMATE.start_main_~x~4) (<= 39 ULTIMATE.start_main_~y~4)), 46670#(and (<= 61 ULTIMATE.start_main_~x~4) (<= 38 ULTIMATE.start_main_~y~4)), 46671#(and (<= 38 ULTIMATE.start_main_~y~4) (<= 62 ULTIMATE.start_main_~x~4)), 46672#(and (<= 37 ULTIMATE.start_main_~y~4) (<= 62 ULTIMATE.start_main_~x~4)), 46673#(and (<= 63 ULTIMATE.start_main_~x~4) (<= 37 ULTIMATE.start_main_~y~4)), 46674#(and (<= 63 ULTIMATE.start_main_~x~4) (<= 36 ULTIMATE.start_main_~y~4)), 46675#(and (<= 64 ULTIMATE.start_main_~x~4) (<= 36 ULTIMATE.start_main_~y~4)), 46676#(and (<= 35 ULTIMATE.start_main_~y~4) (<= 64 ULTIMATE.start_main_~x~4)), 46677#(and (<= 35 ULTIMATE.start_main_~y~4) (<= 65 ULTIMATE.start_main_~x~4)), 46678#(and (<= 34 ULTIMATE.start_main_~y~4) (<= 65 ULTIMATE.start_main_~x~4)), 46679#(and (<= 66 ULTIMATE.start_main_~x~4) (<= 34 ULTIMATE.start_main_~y~4)), 46680#(and (<= 66 ULTIMATE.start_main_~x~4) (<= 33 ULTIMATE.start_main_~y~4)), 46681#(and (<= 67 ULTIMATE.start_main_~x~4) (<= 33 ULTIMATE.start_main_~y~4)), 46682#(and (<= 67 ULTIMATE.start_main_~x~4) (<= 32 ULTIMATE.start_main_~y~4)), 46683#(and (<= 32 ULTIMATE.start_main_~y~4) (<= 68 ULTIMATE.start_main_~x~4)), 46684#(and (<= 31 ULTIMATE.start_main_~y~4) (<= 68 ULTIMATE.start_main_~x~4)), 46685#(and (<= 31 ULTIMATE.start_main_~y~4) (<= 69 ULTIMATE.start_main_~x~4)), 46686#(and (<= 30 ULTIMATE.start_main_~y~4) (<= 69 ULTIMATE.start_main_~x~4)), 46687#(and (<= 70 ULTIMATE.start_main_~x~4) (<= 30 ULTIMATE.start_main_~y~4)), 46688#(and (<= 70 ULTIMATE.start_main_~x~4) (<= 29 ULTIMATE.start_main_~y~4)), 46689#(and (<= 71 ULTIMATE.start_main_~x~4) (<= 29 ULTIMATE.start_main_~y~4)), 46690#(and (<= 71 ULTIMATE.start_main_~x~4) (<= 28 ULTIMATE.start_main_~y~4)), 46691#(and (<= 72 ULTIMATE.start_main_~x~4) (<= 28 ULTIMATE.start_main_~y~4)), 46692#(and (<= 72 ULTIMATE.start_main_~x~4) (<= 27 ULTIMATE.start_main_~y~4)), 46693#(and (<= 27 ULTIMATE.start_main_~y~4) (<= 73 ULTIMATE.start_main_~x~4)), 46694#(and (<= 73 ULTIMATE.start_main_~x~4) (<= 26 ULTIMATE.start_main_~y~4)), 46695#(and (<= 74 ULTIMATE.start_main_~x~4) (<= 26 ULTIMATE.start_main_~y~4)), 46696#(and (<= 74 ULTIMATE.start_main_~x~4) (<= 25 ULTIMATE.start_main_~y~4)), 46697#(and (<= 75 ULTIMATE.start_main_~x~4) (<= 25 ULTIMATE.start_main_~y~4)), 46698#(and (<= 24 ULTIMATE.start_main_~y~4) (<= 75 ULTIMATE.start_main_~x~4)), 46699#(and (<= 24 ULTIMATE.start_main_~y~4) (<= 76 ULTIMATE.start_main_~x~4)), 46700#(and (<= 23 ULTIMATE.start_main_~y~4) (<= 76 ULTIMATE.start_main_~x~4)), 46701#(and (<= 77 ULTIMATE.start_main_~x~4) (<= 23 ULTIMATE.start_main_~y~4)), 46702#(and (<= 77 ULTIMATE.start_main_~x~4) (<= 22 ULTIMATE.start_main_~y~4)), 46703#(and (<= 78 ULTIMATE.start_main_~x~4) (<= 22 ULTIMATE.start_main_~y~4)), 46704#(and (<= 21 ULTIMATE.start_main_~y~4) (<= 78 ULTIMATE.start_main_~x~4)), 46705#(and (<= 79 ULTIMATE.start_main_~x~4) (<= 21 ULTIMATE.start_main_~y~4)), 46706#(and (<= 79 ULTIMATE.start_main_~x~4) (<= 20 ULTIMATE.start_main_~y~4)), 46707#(and (<= 20 ULTIMATE.start_main_~y~4) (<= 80 ULTIMATE.start_main_~x~4)), 46708#(and (<= 19 ULTIMATE.start_main_~y~4) (<= 80 ULTIMATE.start_main_~x~4)), 46709#(and (<= 19 ULTIMATE.start_main_~y~4) (<= 81 ULTIMATE.start_main_~x~4)), 46710#(and (<= 18 ULTIMATE.start_main_~y~4) (<= 81 ULTIMATE.start_main_~x~4)), 46711#(and (<= 18 ULTIMATE.start_main_~y~4) (<= 82 ULTIMATE.start_main_~x~4)), 46712#(and (<= 82 ULTIMATE.start_main_~x~4) (<= 17 ULTIMATE.start_main_~y~4)), 46713#(and (<= 83 ULTIMATE.start_main_~x~4) (<= 17 ULTIMATE.start_main_~y~4)), 46714#(and (<= 83 ULTIMATE.start_main_~x~4) (<= 16 ULTIMATE.start_main_~y~4)), 46715#(and (<= 16 ULTIMATE.start_main_~y~4) (<= 84 ULTIMATE.start_main_~x~4)), 46716#(and (<= 84 ULTIMATE.start_main_~x~4) (<= 15 ULTIMATE.start_main_~y~4)), 46717#(and (<= 85 ULTIMATE.start_main_~x~4) (<= 15 ULTIMATE.start_main_~y~4)), 46718#(and (<= 14 ULTIMATE.start_main_~y~4) (<= 85 ULTIMATE.start_main_~x~4)), 46719#(and (<= 14 ULTIMATE.start_main_~y~4) (<= 86 ULTIMATE.start_main_~x~4)), 46720#(and (<= 13 ULTIMATE.start_main_~y~4) (<= 86 ULTIMATE.start_main_~x~4)), 46721#(and (<= 13 ULTIMATE.start_main_~y~4) (<= 87 ULTIMATE.start_main_~x~4)), 46722#(and (<= 12 ULTIMATE.start_main_~y~4) (<= 87 ULTIMATE.start_main_~x~4)), 46723#(and (<= 12 ULTIMATE.start_main_~y~4) (<= 88 ULTIMATE.start_main_~x~4)), 46724#(and (<= 88 ULTIMATE.start_main_~x~4) (<= 11 ULTIMATE.start_main_~y~4)), 46725#(and (<= 89 ULTIMATE.start_main_~x~4) (<= 11 ULTIMATE.start_main_~y~4)), 46726#(and (<= 89 ULTIMATE.start_main_~x~4) (<= 10 ULTIMATE.start_main_~y~4)), 46727#(and (<= 90 ULTIMATE.start_main_~x~4) (<= 10 ULTIMATE.start_main_~y~4)), 46728#(and (<= 90 ULTIMATE.start_main_~x~4) (<= 9 ULTIMATE.start_main_~y~4)), 46729#(and (<= 91 ULTIMATE.start_main_~x~4) (<= 9 ULTIMATE.start_main_~y~4)), 46730#(<= 8 ULTIMATE.start_main_~y~4), 46731#(<= 1 ULTIMATE.start_main_~y~4), 46545#true, 46546#false, 46547#(and (<= 0 ULTIMATE.start_main_~y~4) (<= ULTIMATE.start_main_~x~4 0) (<= 0 ULTIMATE.start_main_~x~4)), 46548#(and (<= ULTIMATE.start_main_~x~4 0) (<= 0 ULTIMATE.start_main_~x~4) (<= 1 ULTIMATE.start_main_~y~4)), 46549#(and (<= ULTIMATE.start_main_~x~4 1) (<= 1 ULTIMATE.start_main_~y~4) (<= 1 ULTIMATE.start_main_~x~4)), 46550#(and (<= 2 ULTIMATE.start_main_~y~4) (<= ULTIMATE.start_main_~x~4 1) (<= 1 ULTIMATE.start_main_~x~4)), 46551#(and (<= 2 ULTIMATE.start_main_~y~4) (<= 2 ULTIMATE.start_main_~x~4) (<= ULTIMATE.start_main_~x~4 2)), 46552#(and (<= 3 ULTIMATE.start_main_~y~4) (<= 2 ULTIMATE.start_main_~x~4) (<= ULTIMATE.start_main_~x~4 2)), 46553#(and (<= 3 ULTIMATE.start_main_~x~4) (<= 3 ULTIMATE.start_main_~y~4) (<= ULTIMATE.start_main_~x~4 3)), 46554#(and (<= 3 ULTIMATE.start_main_~x~4) (<= 4 ULTIMATE.start_main_~y~4) (<= ULTIMATE.start_main_~x~4 3)), 46555#(and (<= 4 ULTIMATE.start_main_~y~4) (<= ULTIMATE.start_main_~x~4 4) (<= 4 ULTIMATE.start_main_~x~4)), 46556#(and (<= 5 ULTIMATE.start_main_~y~4) (<= ULTIMATE.start_main_~x~4 4) (<= 4 ULTIMATE.start_main_~x~4)), 46557#(and (<= ULTIMATE.start_main_~x~4 5) (<= 5 ULTIMATE.start_main_~y~4) (<= 5 ULTIMATE.start_main_~x~4)), 46558#(and (<= ULTIMATE.start_main_~x~4 5) (<= 6 ULTIMATE.start_main_~y~4) (<= 5 ULTIMATE.start_main_~x~4)), 46559#(and (<= 6 ULTIMATE.start_main_~x~4) (<= 6 ULTIMATE.start_main_~y~4) (<= ULTIMATE.start_main_~x~4 6)), 46560#(and (<= 6 ULTIMATE.start_main_~x~4) (<= 7 ULTIMATE.start_main_~y~4) (<= ULTIMATE.start_main_~x~4 6)), 46561#(and (<= ULTIMATE.start_main_~x~4 7) (<= 7 ULTIMATE.start_main_~y~4) (<= 7 ULTIMATE.start_main_~x~4)), 46562#(and (<= ULTIMATE.start_main_~x~4 7) (<= 7 ULTIMATE.start_main_~x~4) (<= 8 ULTIMATE.start_main_~y~4)), 46563#(and (<= ULTIMATE.start_main_~x~4 8) (<= 8 ULTIMATE.start_main_~y~4) (<= 8 ULTIMATE.start_main_~x~4)), 46564#(and (<= ULTIMATE.start_main_~x~4 8) (<= 8 ULTIMATE.start_main_~x~4) (<= 9 ULTIMATE.start_main_~y~4)), 46565#(and (<= 9 ULTIMATE.start_main_~x~4) (<= ULTIMATE.start_main_~x~4 9) (<= 9 ULTIMATE.start_main_~y~4)), 46566#(and (<= 9 ULTIMATE.start_main_~x~4) (<= 10 ULTIMATE.start_main_~y~4) (<= ULTIMATE.start_main_~x~4 9)), 46567#(and (<= ULTIMATE.start_main_~x~4 10) (<= 10 ULTIMATE.start_main_~y~4) (<= 10 ULTIMATE.start_main_~x~4)), 46568#(and (<= ULTIMATE.start_main_~x~4 10) (<= 11 ULTIMATE.start_main_~y~4) (<= 10 ULTIMATE.start_main_~x~4)), 46569#(and (<= ULTIMATE.start_main_~x~4 11) (<= 11 ULTIMATE.start_main_~x~4) (<= 11 ULTIMATE.start_main_~y~4)), 46570#(and (<= ULTIMATE.start_main_~x~4 11) (<= 11 ULTIMATE.start_main_~x~4) (<= 12 ULTIMATE.start_main_~y~4)), 46571#(and (<= 12 ULTIMATE.start_main_~x~4) (<= 12 ULTIMATE.start_main_~y~4) (<= ULTIMATE.start_main_~x~4 12)), 46572#(and (<= 12 ULTIMATE.start_main_~x~4) (<= 13 ULTIMATE.start_main_~y~4) (<= ULTIMATE.start_main_~x~4 12)), 46573#(and (<= 13 ULTIMATE.start_main_~y~4) (<= ULTIMATE.start_main_~x~4 13) (<= 13 ULTIMATE.start_main_~x~4)), 46574#(and (<= 14 ULTIMATE.start_main_~y~4) (<= ULTIMATE.start_main_~x~4 13) (<= 13 ULTIMATE.start_main_~x~4)), 46575#(and (<= 14 ULTIMATE.start_main_~y~4) (<= 14 ULTIMATE.start_main_~x~4) (<= ULTIMATE.start_main_~x~4 14)), 46576#(and (<= 14 ULTIMATE.start_main_~x~4) (<= ULTIMATE.start_main_~x~4 14) (<= 15 ULTIMATE.start_main_~y~4)), 46577#(and (<= 15 ULTIMATE.start_main_~x~4) (<= 15 ULTIMATE.start_main_~y~4) (<= ULTIMATE.start_main_~x~4 15)), 46578#(and (<= 15 ULTIMATE.start_main_~x~4) (<= 16 ULTIMATE.start_main_~y~4) (<= ULTIMATE.start_main_~x~4 15)), 46579#(and (<= ULTIMATE.start_main_~x~4 16) (<= 16 ULTIMATE.start_main_~x~4) (<= 16 ULTIMATE.start_main_~y~4)), 46580#(and (<= ULTIMATE.start_main_~x~4 16) (<= 16 ULTIMATE.start_main_~x~4) (<= 17 ULTIMATE.start_main_~y~4)), 46581#(and (<= ULTIMATE.start_main_~x~4 17) (<= 17 ULTIMATE.start_main_~y~4) (<= 17 ULTIMATE.start_main_~x~4)), 46582#(and (<= 18 ULTIMATE.start_main_~y~4) (<= ULTIMATE.start_main_~x~4 17) (<= 17 ULTIMATE.start_main_~x~4)), 46583#(and (<= 18 ULTIMATE.start_main_~y~4) (<= 18 ULTIMATE.start_main_~x~4) (<= ULTIMATE.start_main_~x~4 18)), 46584#(and (<= 18 ULTIMATE.start_main_~x~4) (<= ULTIMATE.start_main_~x~4 18) (<= 19 ULTIMATE.start_main_~y~4)), 46585#(and (<= 19 ULTIMATE.start_main_~y~4) (<= 19 ULTIMATE.start_main_~x~4) (<= ULTIMATE.start_main_~x~4 19)), 46586#(and (<= 20 ULTIMATE.start_main_~y~4) (<= 19 ULTIMATE.start_main_~x~4) (<= ULTIMATE.start_main_~x~4 19)), 46587#(and (<= 20 ULTIMATE.start_main_~x~4) (<= 20 ULTIMATE.start_main_~y~4) (<= ULTIMATE.start_main_~x~4 20)), 46588#(and (<= 20 ULTIMATE.start_main_~x~4) (<= 21 ULTIMATE.start_main_~y~4) (<= ULTIMATE.start_main_~x~4 20)), 46589#(and (<= ULTIMATE.start_main_~x~4 21) (<= 21 ULTIMATE.start_main_~y~4) (<= 21 ULTIMATE.start_main_~x~4)), 46590#(and (<= ULTIMATE.start_main_~x~4 21) (<= 21 ULTIMATE.start_main_~x~4) (<= 22 ULTIMATE.start_main_~y~4)), 46591#(and (<= ULTIMATE.start_main_~x~4 22) (<= 22 ULTIMATE.start_main_~x~4) (<= 22 ULTIMATE.start_main_~y~4))] [2018-07-23 13:42:30,849 INFO L134 CoverageAnalysis]: Checked inductivity of 8556 backedges. 0 proven. 8556 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2018-07-23 13:42:30,849 INFO L450 AbstractCegarLoop]: Interpolant automaton has 187 states [2018-07-23 13:42:30,849 INFO L132 InterpolantAutomaton]: Constructing interpolant automaton starting with 187 interpolants. [2018-07-23 13:42:30,850 INFO L133 InterpolantAutomaton]: CoverageRelationStatistics Valid=854, Invalid=33928, Unknown=0, NotChecked=0, Total=34782 [2018-07-23 13:42:30,851 INFO L87 Difference]: Start difference. First operand 189 states and 189 transitions. Second operand 187 states. [2018-07-23 13:42:32,122 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2018-07-23 13:42:32,122 INFO L93 Difference]: Finished difference Result 194 states and 194 transitions. [2018-07-23 13:42:32,122 INFO L142 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 187 states. [2018-07-23 13:42:32,122 INFO L78 Accepts]: Start accepts. Automaton has 187 states. Word has length 188 [2018-07-23 13:42:32,122 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2018-07-23 13:42:32,123 INFO L225 Difference]: With dead ends: 194 [2018-07-23 13:42:32,123 INFO L226 Difference]: Without dead ends: 192 [2018-07-23 13:42:32,125 INFO L575 BasicCegarLoop]: 0 DeclaredPredicates, 188 GetRequests, 1 SyntacticMatches, 1 SemanticMatches, 186 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 10539 ImplicationChecksByTransitivity, 1.1s TimeCoverageRelationStatistics Valid=860, Invalid=34296, Unknown=0, NotChecked=0, Total=35156 [2018-07-23 13:42:32,126 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 192 states. [2018-07-23 13:42:32,166 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 192 to 191. [2018-07-23 13:42:32,166 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 191 states. [2018-07-23 13:42:32,166 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 191 states to 191 states and 191 transitions. [2018-07-23 13:42:32,167 INFO L78 Accepts]: Start accepts. Automaton has 191 states and 191 transitions. Word has length 188 [2018-07-23 13:42:32,167 INFO L84 Accepts]: Finished accepts. word is rejected. [2018-07-23 13:42:32,167 INFO L471 AbstractCegarLoop]: Abstraction has 191 states and 191 transitions. [2018-07-23 13:42:32,167 INFO L472 AbstractCegarLoop]: Interpolant automaton has 187 states. [2018-07-23 13:42:32,167 INFO L276 IsEmpty]: Start isEmpty. Operand 191 states and 191 transitions. [2018-07-23 13:42:32,168 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 191 [2018-07-23 13:42:32,168 INFO L349 BasicCegarLoop]: Found error trace [2018-07-23 13:42:32,168 INFO L357 BasicCegarLoop]: trace histogram [94, 93, 1, 1, 1] [2018-07-23 13:42:32,169 INFO L414 AbstractCegarLoop]: === Iteration 94 === [ULTIMATE.startErr0AssertViolationASSERT]=== [2018-07-23 13:42:32,169 INFO L82 PathProgramCache]: Analyzing trace with hash -2016396282, now seen corresponding path program 93 times [2018-07-23 13:42:32,169 INFO L69 tionRefinementEngine]: Using refinement strategy FixedRefinementStrategy [2018-07-23 13:42:32,208 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-07-23 13:42:33,844 INFO L134 CoverageAnalysis]: Checked inductivity of 8742 backedges. 0 proven. 8742 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2018-07-23 13:42:33,845 INFO L309 seRefinementStrategy]: Constructing automaton from 0 perfect and 1 imperfect interpolant sequences. [2018-07-23 13:42:33,845 INFO L324 seRefinementStrategy]: Number of different interpolants: perfect sequences [] imperfect sequences [188] total 188 [2018-07-23 13:42:33,845 INFO L142 lantAutomatonBuilder]: Constructing canonical interpolant automaton, with selfloop in false state [2018-07-23 13:42:33,845 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2018-07-23 13:42:33,846 INFO L185 omatonBuilderFactory]: Interpolants [47616#(and (<= 45 ULTIMATE.start_main_~y~4) (<= 55 ULTIMATE.start_main_~x~4)), 47617#(and (<= 55 ULTIMATE.start_main_~x~4) (<= 44 ULTIMATE.start_main_~y~4)), 47618#(and (<= 56 ULTIMATE.start_main_~x~4) (<= 44 ULTIMATE.start_main_~y~4)), 47619#(and (<= 56 ULTIMATE.start_main_~x~4) (<= 43 ULTIMATE.start_main_~y~4)), 47620#(and (<= 43 ULTIMATE.start_main_~y~4) (<= 57 ULTIMATE.start_main_~x~4)), 47621#(and (<= 42 ULTIMATE.start_main_~y~4) (<= 57 ULTIMATE.start_main_~x~4)), 47622#(and (<= 58 ULTIMATE.start_main_~x~4) (<= 42 ULTIMATE.start_main_~y~4)), 47623#(and (<= 58 ULTIMATE.start_main_~x~4) (<= 41 ULTIMATE.start_main_~y~4)), 47624#(and (<= 41 ULTIMATE.start_main_~y~4) (<= 59 ULTIMATE.start_main_~x~4)), 47625#(and (<= 40 ULTIMATE.start_main_~y~4) (<= 59 ULTIMATE.start_main_~x~4)), 47626#(and (<= 60 ULTIMATE.start_main_~x~4) (<= 40 ULTIMATE.start_main_~y~4)), 47627#(and (<= 39 ULTIMATE.start_main_~y~4) (<= 60 ULTIMATE.start_main_~x~4)), 47628#(and (<= 61 ULTIMATE.start_main_~x~4) (<= 39 ULTIMATE.start_main_~y~4)), 47629#(and (<= 61 ULTIMATE.start_main_~x~4) (<= 38 ULTIMATE.start_main_~y~4)), 47630#(and (<= 38 ULTIMATE.start_main_~y~4) (<= 62 ULTIMATE.start_main_~x~4)), 47631#(and (<= 37 ULTIMATE.start_main_~y~4) (<= 62 ULTIMATE.start_main_~x~4)), 47632#(and (<= 63 ULTIMATE.start_main_~x~4) (<= 37 ULTIMATE.start_main_~y~4)), 47633#(and (<= 63 ULTIMATE.start_main_~x~4) (<= 36 ULTIMATE.start_main_~y~4)), 47634#(and (<= 64 ULTIMATE.start_main_~x~4) (<= 36 ULTIMATE.start_main_~y~4)), 47635#(and (<= 35 ULTIMATE.start_main_~y~4) (<= 64 ULTIMATE.start_main_~x~4)), 47636#(and (<= 35 ULTIMATE.start_main_~y~4) (<= 65 ULTIMATE.start_main_~x~4)), 47637#(and (<= 34 ULTIMATE.start_main_~y~4) (<= 65 ULTIMATE.start_main_~x~4)), 47638#(and (<= 66 ULTIMATE.start_main_~x~4) (<= 34 ULTIMATE.start_main_~y~4)), 47639#(and (<= 66 ULTIMATE.start_main_~x~4) (<= 33 ULTIMATE.start_main_~y~4)), 47640#(and (<= 67 ULTIMATE.start_main_~x~4) (<= 33 ULTIMATE.start_main_~y~4)), 47641#(and (<= 67 ULTIMATE.start_main_~x~4) (<= 32 ULTIMATE.start_main_~y~4)), 47642#(and (<= 32 ULTIMATE.start_main_~y~4) (<= 68 ULTIMATE.start_main_~x~4)), 47643#(and (<= 31 ULTIMATE.start_main_~y~4) (<= 68 ULTIMATE.start_main_~x~4)), 47644#(and (<= 31 ULTIMATE.start_main_~y~4) (<= 69 ULTIMATE.start_main_~x~4)), 47645#(and (<= 30 ULTIMATE.start_main_~y~4) (<= 69 ULTIMATE.start_main_~x~4)), 47646#(and (<= 70 ULTIMATE.start_main_~x~4) (<= 30 ULTIMATE.start_main_~y~4)), 47647#(and (<= 70 ULTIMATE.start_main_~x~4) (<= 29 ULTIMATE.start_main_~y~4)), 47648#(and (<= 71 ULTIMATE.start_main_~x~4) (<= 29 ULTIMATE.start_main_~y~4)), 47649#(and (<= 71 ULTIMATE.start_main_~x~4) (<= 28 ULTIMATE.start_main_~y~4)), 47650#(and (<= 72 ULTIMATE.start_main_~x~4) (<= 28 ULTIMATE.start_main_~y~4)), 47651#(and (<= 72 ULTIMATE.start_main_~x~4) (<= 27 ULTIMATE.start_main_~y~4)), 47652#(and (<= 27 ULTIMATE.start_main_~y~4) (<= 73 ULTIMATE.start_main_~x~4)), 47653#(and (<= 73 ULTIMATE.start_main_~x~4) (<= 26 ULTIMATE.start_main_~y~4)), 47654#(and (<= 74 ULTIMATE.start_main_~x~4) (<= 26 ULTIMATE.start_main_~y~4)), 47655#(and (<= 74 ULTIMATE.start_main_~x~4) (<= 25 ULTIMATE.start_main_~y~4)), 47656#(and (<= 75 ULTIMATE.start_main_~x~4) (<= 25 ULTIMATE.start_main_~y~4)), 47657#(and (<= 24 ULTIMATE.start_main_~y~4) (<= 75 ULTIMATE.start_main_~x~4)), 47658#(and (<= 24 ULTIMATE.start_main_~y~4) (<= 76 ULTIMATE.start_main_~x~4)), 47659#(and (<= 23 ULTIMATE.start_main_~y~4) (<= 76 ULTIMATE.start_main_~x~4)), 47660#(and (<= 77 ULTIMATE.start_main_~x~4) (<= 23 ULTIMATE.start_main_~y~4)), 47661#(and (<= 77 ULTIMATE.start_main_~x~4) (<= 22 ULTIMATE.start_main_~y~4)), 47662#(and (<= 78 ULTIMATE.start_main_~x~4) (<= 22 ULTIMATE.start_main_~y~4)), 47663#(and (<= 21 ULTIMATE.start_main_~y~4) (<= 78 ULTIMATE.start_main_~x~4)), 47664#(and (<= 79 ULTIMATE.start_main_~x~4) (<= 21 ULTIMATE.start_main_~y~4)), 47665#(and (<= 79 ULTIMATE.start_main_~x~4) (<= 20 ULTIMATE.start_main_~y~4)), 47666#(and (<= 20 ULTIMATE.start_main_~y~4) (<= 80 ULTIMATE.start_main_~x~4)), 47667#(and (<= 19 ULTIMATE.start_main_~y~4) (<= 80 ULTIMATE.start_main_~x~4)), 47668#(and (<= 19 ULTIMATE.start_main_~y~4) (<= 81 ULTIMATE.start_main_~x~4)), 47669#(and (<= 18 ULTIMATE.start_main_~y~4) (<= 81 ULTIMATE.start_main_~x~4)), 47670#(and (<= 18 ULTIMATE.start_main_~y~4) (<= 82 ULTIMATE.start_main_~x~4)), 47671#(and (<= 82 ULTIMATE.start_main_~x~4) (<= 17 ULTIMATE.start_main_~y~4)), 47672#(and (<= 83 ULTIMATE.start_main_~x~4) (<= 17 ULTIMATE.start_main_~y~4)), 47673#(and (<= 83 ULTIMATE.start_main_~x~4) (<= 16 ULTIMATE.start_main_~y~4)), 47674#(and (<= 16 ULTIMATE.start_main_~y~4) (<= 84 ULTIMATE.start_main_~x~4)), 47675#(and (<= 84 ULTIMATE.start_main_~x~4) (<= 15 ULTIMATE.start_main_~y~4)), 47676#(and (<= 85 ULTIMATE.start_main_~x~4) (<= 15 ULTIMATE.start_main_~y~4)), 47677#(and (<= 14 ULTIMATE.start_main_~y~4) (<= 85 ULTIMATE.start_main_~x~4)), 47678#(and (<= 14 ULTIMATE.start_main_~y~4) (<= 86 ULTIMATE.start_main_~x~4)), 47679#(and (<= 13 ULTIMATE.start_main_~y~4) (<= 86 ULTIMATE.start_main_~x~4)), 47680#(and (<= 13 ULTIMATE.start_main_~y~4) (<= 87 ULTIMATE.start_main_~x~4)), 47681#(and (<= 12 ULTIMATE.start_main_~y~4) (<= 87 ULTIMATE.start_main_~x~4)), 47682#(and (<= 12 ULTIMATE.start_main_~y~4) (<= 88 ULTIMATE.start_main_~x~4)), 47683#(and (<= 88 ULTIMATE.start_main_~x~4) (<= 11 ULTIMATE.start_main_~y~4)), 47684#(and (<= 89 ULTIMATE.start_main_~x~4) (<= 11 ULTIMATE.start_main_~y~4)), 47685#(and (<= 89 ULTIMATE.start_main_~x~4) (<= 10 ULTIMATE.start_main_~y~4)), 47686#(and (<= 90 ULTIMATE.start_main_~x~4) (<= 10 ULTIMATE.start_main_~y~4)), 47687#(and (<= 90 ULTIMATE.start_main_~x~4) (<= 9 ULTIMATE.start_main_~y~4)), 47688#(and (<= 91 ULTIMATE.start_main_~x~4) (<= 9 ULTIMATE.start_main_~y~4)), 47689#(and (<= 91 ULTIMATE.start_main_~x~4) (<= 8 ULTIMATE.start_main_~y~4)), 47690#(and (<= 8 ULTIMATE.start_main_~y~4) (<= 92 ULTIMATE.start_main_~x~4)), 47691#(<= 7 ULTIMATE.start_main_~y~4), 47692#(<= 1 ULTIMATE.start_main_~y~4), 47504#true, 47505#false, 47506#(and (<= 0 ULTIMATE.start_main_~y~4) (<= ULTIMATE.start_main_~x~4 0) (<= 0 ULTIMATE.start_main_~x~4)), 47507#(and (<= ULTIMATE.start_main_~x~4 0) (<= 0 ULTIMATE.start_main_~x~4) (<= 1 ULTIMATE.start_main_~y~4)), 47508#(and (<= ULTIMATE.start_main_~x~4 1) (<= 1 ULTIMATE.start_main_~y~4) (<= 1 ULTIMATE.start_main_~x~4)), 47509#(and (<= 2 ULTIMATE.start_main_~y~4) (<= ULTIMATE.start_main_~x~4 1) (<= 1 ULTIMATE.start_main_~x~4)), 47510#(and (<= 2 ULTIMATE.start_main_~y~4) (<= 2 ULTIMATE.start_main_~x~4) (<= ULTIMATE.start_main_~x~4 2)), 47511#(and (<= 3 ULTIMATE.start_main_~y~4) (<= 2 ULTIMATE.start_main_~x~4) (<= ULTIMATE.start_main_~x~4 2)), 47512#(and (<= 3 ULTIMATE.start_main_~x~4) (<= 3 ULTIMATE.start_main_~y~4) (<= ULTIMATE.start_main_~x~4 3)), 47513#(and (<= 3 ULTIMATE.start_main_~x~4) (<= 4 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ULTIMATE.start_main_~y~4) (<= 8 ULTIMATE.start_main_~x~4)), 47523#(and (<= ULTIMATE.start_main_~x~4 8) (<= 8 ULTIMATE.start_main_~x~4) (<= 9 ULTIMATE.start_main_~y~4)), 47524#(and (<= 9 ULTIMATE.start_main_~x~4) (<= ULTIMATE.start_main_~x~4 9) (<= 9 ULTIMATE.start_main_~y~4)), 47525#(and (<= 9 ULTIMATE.start_main_~x~4) (<= 10 ULTIMATE.start_main_~y~4) (<= ULTIMATE.start_main_~x~4 9)), 47526#(and (<= ULTIMATE.start_main_~x~4 10) (<= 10 ULTIMATE.start_main_~y~4) (<= 10 ULTIMATE.start_main_~x~4)), 47527#(and (<= ULTIMATE.start_main_~x~4 10) (<= 11 ULTIMATE.start_main_~y~4) (<= 10 ULTIMATE.start_main_~x~4)), 47528#(and (<= ULTIMATE.start_main_~x~4 11) (<= 11 ULTIMATE.start_main_~x~4) (<= 11 ULTIMATE.start_main_~y~4)), 47529#(and (<= ULTIMATE.start_main_~x~4 11) (<= 11 ULTIMATE.start_main_~x~4) (<= 12 ULTIMATE.start_main_~y~4)), 47530#(and (<= 12 ULTIMATE.start_main_~x~4) (<= 12 ULTIMATE.start_main_~y~4) (<= ULTIMATE.start_main_~x~4 12)), 47531#(and (<= 12 ULTIMATE.start_main_~x~4) (<= 13 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(<= 17 ULTIMATE.start_main_~y~4) (<= 17 ULTIMATE.start_main_~x~4)), 47541#(and (<= 18 ULTIMATE.start_main_~y~4) (<= ULTIMATE.start_main_~x~4 17) (<= 17 ULTIMATE.start_main_~x~4)), 47542#(and (<= 18 ULTIMATE.start_main_~y~4) (<= 18 ULTIMATE.start_main_~x~4) (<= ULTIMATE.start_main_~x~4 18)), 47543#(and (<= 18 ULTIMATE.start_main_~x~4) (<= ULTIMATE.start_main_~x~4 18) (<= 19 ULTIMATE.start_main_~y~4)), 47544#(and (<= 19 ULTIMATE.start_main_~y~4) (<= 19 ULTIMATE.start_main_~x~4) (<= ULTIMATE.start_main_~x~4 19)), 47545#(and (<= 20 ULTIMATE.start_main_~y~4) (<= 19 ULTIMATE.start_main_~x~4) (<= ULTIMATE.start_main_~x~4 19)), 47546#(and (<= 20 ULTIMATE.start_main_~x~4) (<= 20 ULTIMATE.start_main_~y~4) (<= ULTIMATE.start_main_~x~4 20)), 47547#(and (<= 20 ULTIMATE.start_main_~x~4) (<= 21 ULTIMATE.start_main_~y~4) (<= ULTIMATE.start_main_~x~4 20)), 47548#(and (<= ULTIMATE.start_main_~x~4 21) (<= 21 ULTIMATE.start_main_~y~4) (<= 21 ULTIMATE.start_main_~x~4)), 47549#(and (<= ULTIMATE.start_main_~x~4 21) (<= 21 ULTIMATE.start_main_~x~4) (<= 22 ULTIMATE.start_main_~y~4)), 47550#(and (<= ULTIMATE.start_main_~x~4 22) (<= 22 ULTIMATE.start_main_~x~4) (<= 22 ULTIMATE.start_main_~y~4)), 47551#(and (<= 23 ULTIMATE.start_main_~y~4) (<= ULTIMATE.start_main_~x~4 22) (<= 22 ULTIMATE.start_main_~x~4)), 47552#(and (<= ULTIMATE.start_main_~x~4 23) (<= 23 ULTIMATE.start_main_~x~4) (<= 23 ULTIMATE.start_main_~y~4)), 47553#(and (<= ULTIMATE.start_main_~x~4 23) (<= 23 ULTIMATE.start_main_~x~4) (<= 24 ULTIMATE.start_main_~y~4)), 47554#(and (<= 24 ULTIMATE.start_main_~y~4) (<= ULTIMATE.start_main_~x~4 24) (<= 24 ULTIMATE.start_main_~x~4)), 47555#(and (<= 25 ULTIMATE.start_main_~y~4) (<= ULTIMATE.start_main_~x~4 24) (<= 24 ULTIMATE.start_main_~x~4)), 47556#(and (<= 25 ULTIMATE.start_main_~y~4) (<= ULTIMATE.start_main_~x~4 25) (<= 25 ULTIMATE.start_main_~x~4)), 47557#(and (<= ULTIMATE.start_main_~x~4 25) (<= 26 ULTIMATE.start_main_~y~4) (<= 25 ULTIMATE.start_main_~x~4)), 47558#(and (<= ULTIMATE.start_main_~x~4 26) (<= 26 ULTIMATE.start_main_~y~4) (<= 26 ULTIMATE.start_main_~x~4)), 47559#(and (<= ULTIMATE.start_main_~x~4 26) (<= 27 ULTIMATE.start_main_~y~4) (<= 26 ULTIMATE.start_main_~x~4)), 47560#(and (<= ULTIMATE.start_main_~x~4 27) (<= 27 ULTIMATE.start_main_~y~4) (<= 27 ULTIMATE.start_main_~x~4)), 47561#(and (<= ULTIMATE.start_main_~x~4 27) (<= 27 ULTIMATE.start_main_~x~4) (<= 28 ULTIMATE.start_main_~y~4)), 47562#(and (<= ULTIMATE.start_main_~x~4 28) (<= 28 ULTIMATE.start_main_~y~4) (<= 28 ULTIMATE.start_main_~x~4)), 47563#(and (<= ULTIMATE.start_main_~x~4 28) (<= 29 ULTIMATE.start_main_~y~4) (<= 28 ULTIMATE.start_main_~x~4)), 47564#(and (<= 29 ULTIMATE.start_main_~x~4) (<= 29 ULTIMATE.start_main_~y~4) (<= ULTIMATE.start_main_~x~4 29)), 47565#(and (<= 29 ULTIMATE.start_main_~x~4) (<= 30 ULTIMATE.start_main_~y~4) (<= ULTIMATE.start_main_~x~4 29)), 47566#(and (<= ULTIMATE.start_main_~x~4 30) (<= 30 ULTIMATE.start_main_~y~4) (<= 30 ULTIMATE.start_main_~x~4)), 47567#(and (<= ULTIMATE.start_main_~x~4 30) (<= 31 ULTIMATE.start_main_~y~4) (<= 30 ULTIMATE.start_main_~x~4)), 47568#(and (<= ULTIMATE.start_main_~x~4 31) (<= 31 ULTIMATE.start_main_~y~4) (<= 31 ULTIMATE.start_main_~x~4)), 47569#(and (<= ULTIMATE.start_main_~x~4 31) (<= 32 ULTIMATE.start_main_~y~4) (<= 31 ULTIMATE.start_main_~x~4)), 47570#(and (<= ULTIMATE.start_main_~x~4 32) (<= 32 ULTIMATE.start_main_~y~4) (<= 32 ULTIMATE.start_main_~x~4)), 47571#(and (<= ULTIMATE.start_main_~x~4 32) (<= 33 ULTIMATE.start_main_~y~4) (<= 32 ULTIMATE.start_main_~x~4)), 47572#(and (<= ULTIMATE.start_main_~x~4 33) (<= 33 ULTIMATE.start_main_~y~4) (<= 33 ULTIMATE.start_main_~x~4)), 47573#(and (<= ULTIMATE.start_main_~x~4 33) (<= 33 ULTIMATE.start_main_~x~4) (<= 34 ULTIMATE.start_main_~y~4)), 47574#(and (<= 34 ULTIMATE.start_main_~x~4) (<= ULTIMATE.start_main_~x~4 34) (<= 34 ULTIMATE.start_main_~y~4)), 47575#(and (<= 34 ULTIMATE.start_main_~x~4) (<= ULTIMATE.start_main_~x~4 34) (<= 35 ULTIMATE.start_main_~y~4)), 47576#(and (<= ULTIMATE.start_main_~x~4 35) (<= 35 ULTIMATE.start_main_~y~4) (<= 35 ULTIMATE.start_main_~x~4)), 47577#(and (<= ULTIMATE.start_main_~x~4 35) (<= 35 ULTIMATE.start_main_~x~4) (<= 36 ULTIMATE.start_main_~y~4)), 47578#(and (<= 36 ULTIMATE.start_main_~x~4) (<= ULTIMATE.start_main_~x~4 36) (<= 36 ULTIMATE.start_main_~y~4)), 47579#(and (<= 36 ULTIMATE.start_main_~x~4) (<= 37 ULTIMATE.start_main_~y~4) (<= ULTIMATE.start_main_~x~4 36)), 47580#(and (<= 37 ULTIMATE.start_main_~y~4) (<= ULTIMATE.start_main_~x~4 37) (<= 37 ULTIMATE.start_main_~x~4)), 47581#(and (<= ULTIMATE.start_main_~x~4 37) (<= 38 ULTIMATE.start_main_~y~4) (<= 37 ULTIMATE.start_main_~x~4)), 47582#(and (<= 38 ULTIMATE.start_main_~x~4) (<= ULTIMATE.start_main_~x~4 38) (<= 38 ULTIMATE.start_main_~y~4)), 47583#(and (<= 38 ULTIMATE.start_main_~x~4) (<= 39 ULTIMATE.start_main_~y~4) (<= ULTIMATE.start_main_~x~4 38)), 47584#(and (<= 39 ULTIMATE.start_main_~y~4) (<= ULTIMATE.start_main_~x~4 39) (<= 39 ULTIMATE.start_main_~x~4)), 47585#(and (<= ULTIMATE.start_main_~x~4 39) (<= 39 ULTIMATE.start_main_~x~4) (<= 40 ULTIMATE.start_main_~y~4)), 47586#(and (<= ULTIMATE.start_main_~x~4 40) (<= 40 ULTIMATE.start_main_~x~4) (<= 40 ULTIMATE.start_main_~y~4)), 47587#(and (<= ULTIMATE.start_main_~x~4 40) (<= 40 ULTIMATE.start_main_~x~4) (<= 41 ULTIMATE.start_main_~y~4)), 47588#(and (<= ULTIMATE.start_main_~x~4 41) (<= 41 ULTIMATE.start_main_~x~4) (<= 41 ULTIMATE.start_main_~y~4)), 47589#(and (<= ULTIMATE.start_main_~x~4 41) (<= 41 ULTIMATE.start_main_~x~4) (<= 42 ULTIMATE.start_main_~y~4)), 47590#(and (<= 42 ULTIMATE.start_main_~y~4) (<= ULTIMATE.start_main_~x~4 42) (<= 42 ULTIMATE.start_main_~x~4)), 47591#(and (<= 43 ULTIMATE.start_main_~y~4) (<= ULTIMATE.start_main_~x~4 42) (<= 42 ULTIMATE.start_main_~x~4)), 47592#(and (<= 43 ULTIMATE.start_main_~y~4) (<= ULTIMATE.start_main_~x~4 43) (<= 43 ULTIMATE.start_main_~x~4)), 47593#(and (<= ULTIMATE.start_main_~x~4 43) (<= 44 ULTIMATE.start_main_~y~4) (<= 43 ULTIMATE.start_main_~x~4)), 47594#(and (<= 44 ULTIMATE.start_main_~x~4) (<= ULTIMATE.start_main_~x~4 44) (<= 44 ULTIMATE.start_main_~y~4)), 47595#(and (<= 44 ULTIMATE.start_main_~x~4) (<= ULTIMATE.start_main_~x~4 44) (<= 45 ULTIMATE.start_main_~y~4)), 47596#(and (<= 45 ULTIMATE.start_main_~y~4) (<= 45 ULTIMATE.start_main_~x~4) (<= ULTIMATE.start_main_~x~4 45)), 47597#(and (<= 46 ULTIMATE.start_main_~y~4) (<= 45 ULTIMATE.start_main_~x~4) (<= ULTIMATE.start_main_~x~4 45)), 47598#(and (<= ULTIMATE.start_main_~x~4 46) (<= 46 ULTIMATE.start_main_~x~4) (<= 46 ULTIMATE.start_main_~y~4)), 47599#(and (<= ULTIMATE.start_main_~x~4 46) (<= 47 ULTIMATE.start_main_~y~4) (<= 46 ULTIMATE.start_main_~x~4)), 47600#(and (<= 47 ULTIMATE.start_main_~y~4) (<= 47 ULTIMATE.start_main_~x~4) (<= ULTIMATE.start_main_~x~4 47)), 47601#(and (<= 48 ULTIMATE.start_main_~y~4) (<= 47 ULTIMATE.start_main_~x~4) (<= ULTIMATE.start_main_~x~4 47)), 47602#(and (<= 48 ULTIMATE.start_main_~x~4) (<= 48 ULTIMATE.start_main_~y~4) (<= ULTIMATE.start_main_~x~4 48)), 47603#(and (<= 48 ULTIMATE.start_main_~x~4) (<= 49 ULTIMATE.start_main_~y~4) (<= ULTIMATE.start_main_~x~4 48)), 47604#(and (<= 49 ULTIMATE.start_main_~x~4) (<= 49 ULTIMATE.start_main_~y~4) (<= ULTIMATE.start_main_~x~4 49)), 47605#(and (<= 49 ULTIMATE.start_main_~x~4) (<= 50 ULTIMATE.start_main_~y~4)), 47606#(and (<= 50 ULTIMATE.start_main_~x~4) (<= 50 ULTIMATE.start_main_~y~4)), 47607#(and (<= 50 ULTIMATE.start_main_~x~4) (<= 49 ULTIMATE.start_main_~y~4)), 47608#(and (<= 51 ULTIMATE.start_main_~x~4) (<= 49 ULTIMATE.start_main_~y~4)), 47609#(and (<= 51 ULTIMATE.start_main_~x~4) (<= 48 ULTIMATE.start_main_~y~4)), 47610#(and (<= 52 ULTIMATE.start_main_~x~4) (<= 48 ULTIMATE.start_main_~y~4)), 47611#(and (<= 52 ULTIMATE.start_main_~x~4) (<= 47 ULTIMATE.start_main_~y~4)), 47612#(and (<= 47 ULTIMATE.start_main_~y~4) (<= 53 ULTIMATE.start_main_~x~4)), 47613#(and (<= 53 ULTIMATE.start_main_~x~4) (<= 46 ULTIMATE.start_main_~y~4)), 47614#(and (<= 54 ULTIMATE.start_main_~x~4) (<= 46 ULTIMATE.start_main_~y~4)), 47615#(and (<= 45 ULTIMATE.start_main_~y~4) (<= 54 ULTIMATE.start_main_~x~4))] [2018-07-23 13:42:33,847 INFO L134 CoverageAnalysis]: Checked inductivity of 8742 backedges. 0 proven. 8742 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2018-07-23 13:42:33,847 INFO L450 AbstractCegarLoop]: Interpolant automaton has 189 states [2018-07-23 13:42:33,847 INFO L132 InterpolantAutomaton]: Constructing interpolant automaton starting with 189 interpolants. [2018-07-23 13:42:33,849 INFO L133 InterpolantAutomaton]: CoverageRelationStatistics Valid=866, Invalid=34666, Unknown=0, NotChecked=0, Total=35532 [2018-07-23 13:42:33,849 INFO L87 Difference]: Start difference. First operand 191 states and 191 transitions. Second operand 189 states. [2018-07-23 13:42:35,088 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2018-07-23 13:42:35,088 INFO L93 Difference]: Finished difference Result 196 states and 196 transitions. [2018-07-23 13:42:35,089 INFO L142 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 189 states. [2018-07-23 13:42:35,089 INFO L78 Accepts]: Start accepts. Automaton has 189 states. Word has length 190 [2018-07-23 13:42:35,089 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2018-07-23 13:42:35,090 INFO L225 Difference]: With dead ends: 196 [2018-07-23 13:42:35,090 INFO L226 Difference]: Without dead ends: 194 [2018-07-23 13:42:35,092 INFO L575 BasicCegarLoop]: 0 DeclaredPredicates, 190 GetRequests, 1 SyntacticMatches, 1 SemanticMatches, 188 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 10813 ImplicationChecksByTransitivity, 1.2s TimeCoverageRelationStatistics Valid=872, Invalid=35038, Unknown=0, NotChecked=0, Total=35910 [2018-07-23 13:42:35,092 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 194 states. [2018-07-23 13:42:35,128 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 194 to 193. [2018-07-23 13:42:35,128 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 193 states. [2018-07-23 13:42:35,128 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 193 states to 193 states and 193 transitions. [2018-07-23 13:42:35,128 INFO L78 Accepts]: Start accepts. Automaton has 193 states and 193 transitions. Word has length 190 [2018-07-23 13:42:35,129 INFO L84 Accepts]: Finished accepts. word is rejected. [2018-07-23 13:42:35,129 INFO L471 AbstractCegarLoop]: Abstraction has 193 states and 193 transitions. [2018-07-23 13:42:35,129 INFO L472 AbstractCegarLoop]: Interpolant automaton has 189 states. [2018-07-23 13:42:35,129 INFO L276 IsEmpty]: Start isEmpty. Operand 193 states and 193 transitions. [2018-07-23 13:42:35,130 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 193 [2018-07-23 13:42:35,130 INFO L349 BasicCegarLoop]: Found error trace [2018-07-23 13:42:35,130 INFO L357 BasicCegarLoop]: trace histogram [95, 94, 1, 1, 1] [2018-07-23 13:42:35,130 INFO L414 AbstractCegarLoop]: === Iteration 95 === [ULTIMATE.startErr0AssertViolationASSERT]=== [2018-07-23 13:42:35,131 INFO L82 PathProgramCache]: Analyzing trace with hash -726512724, now seen corresponding path program 94 times [2018-07-23 13:42:35,131 INFO L69 tionRefinementEngine]: Using refinement strategy FixedRefinementStrategy [2018-07-23 13:42:35,166 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-07-23 13:42:36,629 INFO L134 CoverageAnalysis]: Checked inductivity of 8930 backedges. 0 proven. 8930 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2018-07-23 13:42:36,629 INFO L309 seRefinementStrategy]: Constructing automaton from 0 perfect and 1 imperfect interpolant sequences. [2018-07-23 13:42:36,629 INFO L324 seRefinementStrategy]: Number of different interpolants: perfect sequences [] imperfect sequences [190] total 190 [2018-07-23 13:42:36,630 INFO L142 lantAutomatonBuilder]: Constructing canonical interpolant automaton, with selfloop in false state [2018-07-23 13:42:36,630 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 13:42:36,630 INFO L185 omatonBuilderFactory]: Interpolants [48640#(and (<= 82 ULTIMATE.start_main_~x~4) (<= 17 ULTIMATE.start_main_~y~4)), 48641#(and (<= 83 ULTIMATE.start_main_~x~4) (<= 17 ULTIMATE.start_main_~y~4)), 48642#(and (<= 83 ULTIMATE.start_main_~x~4) (<= 16 ULTIMATE.start_main_~y~4)), 48643#(and (<= 16 ULTIMATE.start_main_~y~4) (<= 84 ULTIMATE.start_main_~x~4)), 48644#(and (<= 84 ULTIMATE.start_main_~x~4) (<= 15 ULTIMATE.start_main_~y~4)), 48645#(and (<= 85 ULTIMATE.start_main_~x~4) (<= 15 ULTIMATE.start_main_~y~4)), 48646#(and (<= 14 ULTIMATE.start_main_~y~4) (<= 85 ULTIMATE.start_main_~x~4)), 48647#(and (<= 14 ULTIMATE.start_main_~y~4) (<= 86 ULTIMATE.start_main_~x~4)), 48648#(and (<= 13 ULTIMATE.start_main_~y~4) (<= 86 ULTIMATE.start_main_~x~4)), 48649#(and (<= 13 ULTIMATE.start_main_~y~4) (<= 87 ULTIMATE.start_main_~x~4)), 48650#(and (<= 12 ULTIMATE.start_main_~y~4) (<= 87 ULTIMATE.start_main_~x~4)), 48651#(and (<= 12 ULTIMATE.start_main_~y~4) (<= 88 ULTIMATE.start_main_~x~4)), 48652#(and (<= 88 ULTIMATE.start_main_~x~4) (<= 11 ULTIMATE.start_main_~y~4)), 48653#(and (<= 89 ULTIMATE.start_main_~x~4) (<= 11 ULTIMATE.start_main_~y~4)), 48654#(and (<= 89 ULTIMATE.start_main_~x~4) (<= 10 ULTIMATE.start_main_~y~4)), 48655#(and (<= 90 ULTIMATE.start_main_~x~4) (<= 10 ULTIMATE.start_main_~y~4)), 48656#(and (<= 90 ULTIMATE.start_main_~x~4) (<= 9 ULTIMATE.start_main_~y~4)), 48657#(and (<= 91 ULTIMATE.start_main_~x~4) (<= 9 ULTIMATE.start_main_~y~4)), 48658#(and (<= 91 ULTIMATE.start_main_~x~4) (<= 8 ULTIMATE.start_main_~y~4)), 48659#(and (<= 8 ULTIMATE.start_main_~y~4) (<= 92 ULTIMATE.start_main_~x~4)), 48660#(and (<= 7 ULTIMATE.start_main_~y~4) (<= 92 ULTIMATE.start_main_~x~4)), 48661#(and (<= 7 ULTIMATE.start_main_~y~4) (<= 93 ULTIMATE.start_main_~x~4)), 48662#(<= 6 ULTIMATE.start_main_~y~4), 48663#(<= 1 ULTIMATE.start_main_~y~4), 48473#true, 48474#false, 48475#(and (<= 0 ULTIMATE.start_main_~y~4) (<= ULTIMATE.start_main_~x~4 0) (<= 0 ULTIMATE.start_main_~x~4)), 48476#(and (<= ULTIMATE.start_main_~x~4 0) (<= 0 ULTIMATE.start_main_~x~4) (<= 1 ULTIMATE.start_main_~y~4)), 48477#(and (<= ULTIMATE.start_main_~x~4 1) (<= 1 ULTIMATE.start_main_~y~4) (<= 1 ULTIMATE.start_main_~x~4)), 48478#(and (<= 2 ULTIMATE.start_main_~y~4) (<= ULTIMATE.start_main_~x~4 1) (<= 1 ULTIMATE.start_main_~x~4)), 48479#(and (<= 2 ULTIMATE.start_main_~y~4) (<= 2 ULTIMATE.start_main_~x~4) (<= ULTIMATE.start_main_~x~4 2)), 48480#(and (<= 3 ULTIMATE.start_main_~y~4) (<= 2 ULTIMATE.start_main_~x~4) (<= ULTIMATE.start_main_~x~4 2)), 48481#(and (<= 3 ULTIMATE.start_main_~x~4) (<= 3 ULTIMATE.start_main_~y~4) (<= ULTIMATE.start_main_~x~4 3)), 48482#(and (<= 3 ULTIMATE.start_main_~x~4) (<= 4 ULTIMATE.start_main_~y~4) (<= ULTIMATE.start_main_~x~4 3)), 48483#(and (<= 4 ULTIMATE.start_main_~y~4) (<= ULTIMATE.start_main_~x~4 4) (<= 4 ULTIMATE.start_main_~x~4)), 48484#(and (<= 5 ULTIMATE.start_main_~y~4) (<= ULTIMATE.start_main_~x~4 4) (<= 4 ULTIMATE.start_main_~x~4)), 48485#(and (<= ULTIMATE.start_main_~x~4 5) (<= 5 ULTIMATE.start_main_~y~4) (<= 5 ULTIMATE.start_main_~x~4)), 48486#(and (<= ULTIMATE.start_main_~x~4 5) (<= 6 ULTIMATE.start_main_~y~4) (<= 5 ULTIMATE.start_main_~x~4)), 48487#(and (<= 6 ULTIMATE.start_main_~x~4) (<= 6 ULTIMATE.start_main_~y~4) (<= ULTIMATE.start_main_~x~4 6)), 48488#(and (<= 6 ULTIMATE.start_main_~x~4) (<= 7 ULTIMATE.start_main_~y~4) (<= ULTIMATE.start_main_~x~4 6)), 48489#(and (<= ULTIMATE.start_main_~x~4 7) (<= 7 ULTIMATE.start_main_~y~4) (<= 7 ULTIMATE.start_main_~x~4)), 48490#(and (<= ULTIMATE.start_main_~x~4 7) (<= 7 ULTIMATE.start_main_~x~4) (<= 8 ULTIMATE.start_main_~y~4)), 48491#(and (<= ULTIMATE.start_main_~x~4 8) (<= 8 ULTIMATE.start_main_~y~4) (<= 8 ULTIMATE.start_main_~x~4)), 48492#(and (<= ULTIMATE.start_main_~x~4 8) (<= 8 ULTIMATE.start_main_~x~4) (<= 9 ULTIMATE.start_main_~y~4)), 48493#(and (<= 9 ULTIMATE.start_main_~x~4) (<= ULTIMATE.start_main_~x~4 9) (<= 9 ULTIMATE.start_main_~y~4)), 48494#(and (<= 9 ULTIMATE.start_main_~x~4) (<= 10 ULTIMATE.start_main_~y~4) (<= ULTIMATE.start_main_~x~4 9)), 48495#(and (<= ULTIMATE.start_main_~x~4 10) (<= 10 ULTIMATE.start_main_~y~4) (<= 10 ULTIMATE.start_main_~x~4)), 48496#(and (<= ULTIMATE.start_main_~x~4 10) (<= 11 ULTIMATE.start_main_~y~4) (<= 10 ULTIMATE.start_main_~x~4)), 48497#(and (<= ULTIMATE.start_main_~x~4 11) (<= 11 ULTIMATE.start_main_~x~4) (<= 11 ULTIMATE.start_main_~y~4)), 48498#(and (<= ULTIMATE.start_main_~x~4 11) (<= 11 ULTIMATE.start_main_~x~4) (<= 12 ULTIMATE.start_main_~y~4)), 48499#(and (<= 12 ULTIMATE.start_main_~x~4) (<= 12 ULTIMATE.start_main_~y~4) (<= ULTIMATE.start_main_~x~4 12)), 48500#(and (<= 12 ULTIMATE.start_main_~x~4) (<= 13 ULTIMATE.start_main_~y~4) (<= ULTIMATE.start_main_~x~4 12)), 48501#(and (<= 13 ULTIMATE.start_main_~y~4) (<= ULTIMATE.start_main_~x~4 13) (<= 13 ULTIMATE.start_main_~x~4)), 48502#(and (<= 14 ULTIMATE.start_main_~y~4) (<= ULTIMATE.start_main_~x~4 13) (<= 13 ULTIMATE.start_main_~x~4)), 48503#(and (<= 14 ULTIMATE.start_main_~y~4) (<= 14 ULTIMATE.start_main_~x~4) (<= ULTIMATE.start_main_~x~4 14)), 48504#(and (<= 14 ULTIMATE.start_main_~x~4) (<= ULTIMATE.start_main_~x~4 14) (<= 15 ULTIMATE.start_main_~y~4)), 48505#(and (<= 15 ULTIMATE.start_main_~x~4) (<= 15 ULTIMATE.start_main_~y~4) (<= ULTIMATE.start_main_~x~4 15)), 48506#(and (<= 15 ULTIMATE.start_main_~x~4) (<= 16 ULTIMATE.start_main_~y~4) (<= ULTIMATE.start_main_~x~4 15)), 48507#(and (<= ULTIMATE.start_main_~x~4 16) (<= 16 ULTIMATE.start_main_~x~4) (<= 16 ULTIMATE.start_main_~y~4)), 48508#(and (<= ULTIMATE.start_main_~x~4 16) (<= 16 ULTIMATE.start_main_~x~4) (<= 17 ULTIMATE.start_main_~y~4)), 48509#(and (<= ULTIMATE.start_main_~x~4 17) (<= 17 ULTIMATE.start_main_~y~4) (<= 17 ULTIMATE.start_main_~x~4)), 48510#(and (<= 18 ULTIMATE.start_main_~y~4) (<= ULTIMATE.start_main_~x~4 17) (<= 17 ULTIMATE.start_main_~x~4)), 48511#(and (<= 18 ULTIMATE.start_main_~y~4) (<= 18 ULTIMATE.start_main_~x~4) (<= ULTIMATE.start_main_~x~4 18)), 48512#(and (<= 18 ULTIMATE.start_main_~x~4) (<= ULTIMATE.start_main_~x~4 18) (<= 19 ULTIMATE.start_main_~y~4)), 48513#(and (<= 19 ULTIMATE.start_main_~y~4) (<= 19 ULTIMATE.start_main_~x~4) (<= ULTIMATE.start_main_~x~4 19)), 48514#(and (<= 20 ULTIMATE.start_main_~y~4) (<= 19 ULTIMATE.start_main_~x~4) (<= ULTIMATE.start_main_~x~4 19)), 48515#(and (<= 20 ULTIMATE.start_main_~x~4) (<= 20 ULTIMATE.start_main_~y~4) (<= ULTIMATE.start_main_~x~4 20)), 48516#(and (<= 20 ULTIMATE.start_main_~x~4) (<= 21 ULTIMATE.start_main_~y~4) (<= ULTIMATE.start_main_~x~4 20)), 48517#(and (<= ULTIMATE.start_main_~x~4 21) (<= 21 ULTIMATE.start_main_~y~4) (<= 21 ULTIMATE.start_main_~x~4)), 48518#(and (<= ULTIMATE.start_main_~x~4 21) (<= 21 ULTIMATE.start_main_~x~4) (<= 22 ULTIMATE.start_main_~y~4)), 48519#(and (<= ULTIMATE.start_main_~x~4 22) (<= 22 ULTIMATE.start_main_~x~4) (<= 22 ULTIMATE.start_main_~y~4)), 48520#(and (<= 23 ULTIMATE.start_main_~y~4) (<= ULTIMATE.start_main_~x~4 22) (<= 22 ULTIMATE.start_main_~x~4)), 48521#(and (<= ULTIMATE.start_main_~x~4 23) (<= 23 ULTIMATE.start_main_~x~4) (<= 23 ULTIMATE.start_main_~y~4)), 48522#(and (<= ULTIMATE.start_main_~x~4 23) (<= 23 ULTIMATE.start_main_~x~4) (<= 24 ULTIMATE.start_main_~y~4)), 48523#(and (<= 24 ULTIMATE.start_main_~y~4) (<= ULTIMATE.start_main_~x~4 24) (<= 24 ULTIMATE.start_main_~x~4)), 48524#(and (<= 25 ULTIMATE.start_main_~y~4) (<= ULTIMATE.start_main_~x~4 24) (<= 24 ULTIMATE.start_main_~x~4)), 48525#(and (<= 25 ULTIMATE.start_main_~y~4) (<= ULTIMATE.start_main_~x~4 25) (<= 25 ULTIMATE.start_main_~x~4)), 48526#(and (<= ULTIMATE.start_main_~x~4 25) (<= 26 ULTIMATE.start_main_~y~4) (<= 25 ULTIMATE.start_main_~x~4)), 48527#(and (<= ULTIMATE.start_main_~x~4 26) (<= 26 ULTIMATE.start_main_~y~4) (<= 26 ULTIMATE.start_main_~x~4)), 48528#(and (<= ULTIMATE.start_main_~x~4 26) (<= 27 ULTIMATE.start_main_~y~4) (<= 26 ULTIMATE.start_main_~x~4)), 48529#(and (<= ULTIMATE.start_main_~x~4 27) (<= 27 ULTIMATE.start_main_~y~4) (<= 27 ULTIMATE.start_main_~x~4)), 48530#(and (<= ULTIMATE.start_main_~x~4 27) (<= 27 ULTIMATE.start_main_~x~4) (<= 28 ULTIMATE.start_main_~y~4)), 48531#(and (<= ULTIMATE.start_main_~x~4 28) (<= 28 ULTIMATE.start_main_~y~4) (<= 28 ULTIMATE.start_main_~x~4)), 48532#(and (<= ULTIMATE.start_main_~x~4 28) (<= 29 ULTIMATE.start_main_~y~4) (<= 28 ULTIMATE.start_main_~x~4)), 48533#(and (<= 29 ULTIMATE.start_main_~x~4) (<= 29 ULTIMATE.start_main_~y~4) (<= ULTIMATE.start_main_~x~4 29)), 48534#(and (<= 29 ULTIMATE.start_main_~x~4) (<= 30 ULTIMATE.start_main_~y~4) (<= ULTIMATE.start_main_~x~4 29)), 48535#(and (<= ULTIMATE.start_main_~x~4 30) (<= 30 ULTIMATE.start_main_~y~4) (<= 30 ULTIMATE.start_main_~x~4)), 48536#(and (<= ULTIMATE.start_main_~x~4 30) (<= 31 ULTIMATE.start_main_~y~4) (<= 30 ULTIMATE.start_main_~x~4)), 48537#(and (<= ULTIMATE.start_main_~x~4 31) (<= 31 ULTIMATE.start_main_~y~4) (<= 31 ULTIMATE.start_main_~x~4)), 48538#(and (<= ULTIMATE.start_main_~x~4 31) (<= 32 ULTIMATE.start_main_~y~4) (<= 31 ULTIMATE.start_main_~x~4)), 48539#(and (<= ULTIMATE.start_main_~x~4 32) (<= 32 ULTIMATE.start_main_~y~4) (<= 32 ULTIMATE.start_main_~x~4)), 48540#(and (<= ULTIMATE.start_main_~x~4 32) (<= 33 ULTIMATE.start_main_~y~4) (<= 32 ULTIMATE.start_main_~x~4)), 48541#(and (<= ULTIMATE.start_main_~x~4 33) (<= 33 ULTIMATE.start_main_~y~4) (<= 33 ULTIMATE.start_main_~x~4)), 48542#(and (<= ULTIMATE.start_main_~x~4 33) (<= 33 ULTIMATE.start_main_~x~4) (<= 34 ULTIMATE.start_main_~y~4)), 48543#(and (<= 34 ULTIMATE.start_main_~x~4) (<= ULTIMATE.start_main_~x~4 34) (<= 34 ULTIMATE.start_main_~y~4)), 48544#(and (<= 34 ULTIMATE.start_main_~x~4) (<= ULTIMATE.start_main_~x~4 34) (<= 35 ULTIMATE.start_main_~y~4)), 48545#(and (<= ULTIMATE.start_main_~x~4 35) (<= 35 ULTIMATE.start_main_~y~4) (<= 35 ULTIMATE.start_main_~x~4)), 48546#(and (<= ULTIMATE.start_main_~x~4 35) (<= 35 ULTIMATE.start_main_~x~4) (<= 36 ULTIMATE.start_main_~y~4)), 48547#(and (<= 36 ULTIMATE.start_main_~x~4) (<= ULTIMATE.start_main_~x~4 36) (<= 36 ULTIMATE.start_main_~y~4)), 48548#(and (<= 36 ULTIMATE.start_main_~x~4) (<= 37 ULTIMATE.start_main_~y~4) (<= ULTIMATE.start_main_~x~4 36)), 48549#(and (<= 37 ULTIMATE.start_main_~y~4) (<= ULTIMATE.start_main_~x~4 37) (<= 37 ULTIMATE.start_main_~x~4)), 48550#(and (<= ULTIMATE.start_main_~x~4 37) (<= 38 ULTIMATE.start_main_~y~4) (<= 37 ULTIMATE.start_main_~x~4)), 48551#(and (<= 38 ULTIMATE.start_main_~x~4) (<= ULTIMATE.start_main_~x~4 38) (<= 38 ULTIMATE.start_main_~y~4)), 48552#(and (<= 38 ULTIMATE.start_main_~x~4) (<= 39 ULTIMATE.start_main_~y~4) (<= ULTIMATE.start_main_~x~4 38)), 48553#(and (<= 39 ULTIMATE.start_main_~y~4) (<= ULTIMATE.start_main_~x~4 39) (<= 39 ULTIMATE.start_main_~x~4)), 48554#(and (<= ULTIMATE.start_main_~x~4 39) (<= 39 ULTIMATE.start_main_~x~4) (<= 40 ULTIMATE.start_main_~y~4)), 48555#(and (<= ULTIMATE.start_main_~x~4 40) (<= 40 ULTIMATE.start_main_~x~4) (<= 40 ULTIMATE.start_main_~y~4)), 48556#(and (<= ULTIMATE.start_main_~x~4 40) (<= 40 ULTIMATE.start_main_~x~4) (<= 41 ULTIMATE.start_main_~y~4)), 48557#(and (<= ULTIMATE.start_main_~x~4 41) (<= 41 ULTIMATE.start_main_~x~4) (<= 41 ULTIMATE.start_main_~y~4)), 48558#(and (<= ULTIMATE.start_main_~x~4 41) (<= 41 ULTIMATE.start_main_~x~4) (<= 42 ULTIMATE.start_main_~y~4)), 48559#(and (<= 42 ULTIMATE.start_main_~y~4) (<= ULTIMATE.start_main_~x~4 42) (<= 42 ULTIMATE.start_main_~x~4)), 48560#(and (<= 43 ULTIMATE.start_main_~y~4) (<= ULTIMATE.start_main_~x~4 42) (<= 42 ULTIMATE.start_main_~x~4)), 48561#(and (<= 43 ULTIMATE.start_main_~y~4) (<= ULTIMATE.start_main_~x~4 43) (<= 43 ULTIMATE.start_main_~x~4)), 48562#(and (<= ULTIMATE.start_main_~x~4 43) (<= 44 ULTIMATE.start_main_~y~4) (<= 43 ULTIMATE.start_main_~x~4)), 48563#(and (<= 44 ULTIMATE.start_main_~x~4) (<= ULTIMATE.start_main_~x~4 44) (<= 44 ULTIMATE.start_main_~y~4)), 48564#(and (<= 44 ULTIMATE.start_main_~x~4) (<= ULTIMATE.start_main_~x~4 44) (<= 45 ULTIMATE.start_main_~y~4)), 48565#(and (<= 45 ULTIMATE.start_main_~y~4) (<= 45 ULTIMATE.start_main_~x~4) (<= ULTIMATE.start_main_~x~4 45)), 48566#(and (<= 46 ULTIMATE.start_main_~y~4) (<= 45 ULTIMATE.start_main_~x~4) (<= ULTIMATE.start_main_~x~4 45)), 48567#(and (<= ULTIMATE.start_main_~x~4 46) (<= 46 ULTIMATE.start_main_~x~4) (<= 46 ULTIMATE.start_main_~y~4)), 48568#(and (<= ULTIMATE.start_main_~x~4 46) (<= 47 ULTIMATE.start_main_~y~4) (<= 46 ULTIMATE.start_main_~x~4)), 48569#(and (<= 47 ULTIMATE.start_main_~y~4) (<= 47 ULTIMATE.start_main_~x~4) (<= ULTIMATE.start_main_~x~4 47)), 48570#(and (<= 48 ULTIMATE.start_main_~y~4) (<= 47 ULTIMATE.start_main_~x~4) (<= ULTIMATE.start_main_~x~4 47)), 48571#(and (<= 48 ULTIMATE.start_main_~x~4) (<= 48 ULTIMATE.start_main_~y~4) (<= ULTIMATE.start_main_~x~4 48)), 48572#(and (<= 48 ULTIMATE.start_main_~x~4) (<= 49 ULTIMATE.start_main_~y~4) (<= ULTIMATE.start_main_~x~4 48)), 48573#(and (<= 49 ULTIMATE.start_main_~x~4) (<= 49 ULTIMATE.start_main_~y~4) (<= ULTIMATE.start_main_~x~4 49)), 48574#(and (<= 49 ULTIMATE.start_main_~x~4) (<= 50 ULTIMATE.start_main_~y~4)), 48575#(and (<= 50 ULTIMATE.start_main_~x~4) (<= 50 ULTIMATE.start_main_~y~4)), 48576#(and (<= 50 ULTIMATE.start_main_~x~4) (<= 49 ULTIMATE.start_main_~y~4)), 48577#(and (<= 51 ULTIMATE.start_main_~x~4) (<= 49 ULTIMATE.start_main_~y~4)), 48578#(and (<= 51 ULTIMATE.start_main_~x~4) (<= 48 ULTIMATE.start_main_~y~4)), 48579#(and (<= 52 ULTIMATE.start_main_~x~4) (<= 48 ULTIMATE.start_main_~y~4)), 48580#(and (<= 52 ULTIMATE.start_main_~x~4) (<= 47 ULTIMATE.start_main_~y~4)), 48581#(and (<= 47 ULTIMATE.start_main_~y~4) (<= 53 ULTIMATE.start_main_~x~4)), 48582#(and (<= 53 ULTIMATE.start_main_~x~4) (<= 46 ULTIMATE.start_main_~y~4)), 48583#(and (<= 54 ULTIMATE.start_main_~x~4) (<= 46 ULTIMATE.start_main_~y~4)), 48584#(and (<= 45 ULTIMATE.start_main_~y~4) (<= 54 ULTIMATE.start_main_~x~4)), 48585#(and (<= 45 ULTIMATE.start_main_~y~4) (<= 55 ULTIMATE.start_main_~x~4)), 48586#(and (<= 55 ULTIMATE.start_main_~x~4) (<= 44 ULTIMATE.start_main_~y~4)), 48587#(and (<= 56 ULTIMATE.start_main_~x~4) (<= 44 ULTIMATE.start_main_~y~4)), 48588#(and (<= 56 ULTIMATE.start_main_~x~4) (<= 43 ULTIMATE.start_main_~y~4)), 48589#(and (<= 43 ULTIMATE.start_main_~y~4) (<= 57 ULTIMATE.start_main_~x~4)), 48590#(and (<= 42 ULTIMATE.start_main_~y~4) (<= 57 ULTIMATE.start_main_~x~4)), 48591#(and (<= 58 ULTIMATE.start_main_~x~4) (<= 42 ULTIMATE.start_main_~y~4)), 48592#(and (<= 58 ULTIMATE.start_main_~x~4) (<= 41 ULTIMATE.start_main_~y~4)), 48593#(and (<= 41 ULTIMATE.start_main_~y~4) (<= 59 ULTIMATE.start_main_~x~4)), 48594#(and (<= 40 ULTIMATE.start_main_~y~4) (<= 59 ULTIMATE.start_main_~x~4)), 48595#(and (<= 60 ULTIMATE.start_main_~x~4) (<= 40 ULTIMATE.start_main_~y~4)), 48596#(and (<= 39 ULTIMATE.start_main_~y~4) (<= 60 ULTIMATE.start_main_~x~4)), 48597#(and (<= 61 ULTIMATE.start_main_~x~4) (<= 39 ULTIMATE.start_main_~y~4)), 48598#(and (<= 61 ULTIMATE.start_main_~x~4) (<= 38 ULTIMATE.start_main_~y~4)), 48599#(and (<= 38 ULTIMATE.start_main_~y~4) (<= 62 ULTIMATE.start_main_~x~4)), 48600#(and (<= 37 ULTIMATE.start_main_~y~4) (<= 62 ULTIMATE.start_main_~x~4)), 48601#(and (<= 63 ULTIMATE.start_main_~x~4) (<= 37 ULTIMATE.start_main_~y~4)), 48602#(and (<= 63 ULTIMATE.start_main_~x~4) (<= 36 ULTIMATE.start_main_~y~4)), 48603#(and (<= 64 ULTIMATE.start_main_~x~4) (<= 36 ULTIMATE.start_main_~y~4)), 48604#(and (<= 35 ULTIMATE.start_main_~y~4) (<= 64 ULTIMATE.start_main_~x~4)), 48605#(and (<= 35 ULTIMATE.start_main_~y~4) (<= 65 ULTIMATE.start_main_~x~4)), 48606#(and (<= 34 ULTIMATE.start_main_~y~4) (<= 65 ULTIMATE.start_main_~x~4)), 48607#(and (<= 66 ULTIMATE.start_main_~x~4) (<= 34 ULTIMATE.start_main_~y~4)), 48608#(and (<= 66 ULTIMATE.start_main_~x~4) (<= 33 ULTIMATE.start_main_~y~4)), 48609#(and (<= 67 ULTIMATE.start_main_~x~4) (<= 33 ULTIMATE.start_main_~y~4)), 48610#(and (<= 67 ULTIMATE.start_main_~x~4) (<= 32 ULTIMATE.start_main_~y~4)), 48611#(and (<= 32 ULTIMATE.start_main_~y~4) (<= 68 ULTIMATE.start_main_~x~4)), 48612#(and (<= 31 ULTIMATE.start_main_~y~4) (<= 68 ULTIMATE.start_main_~x~4)), 48613#(and (<= 31 ULTIMATE.start_main_~y~4) (<= 69 ULTIMATE.start_main_~x~4)), 48614#(and (<= 30 ULTIMATE.start_main_~y~4) (<= 69 ULTIMATE.start_main_~x~4)), 48615#(and (<= 70 ULTIMATE.start_main_~x~4) (<= 30 ULTIMATE.start_main_~y~4)), 48616#(and (<= 70 ULTIMATE.start_main_~x~4) (<= 29 ULTIMATE.start_main_~y~4)), 48617#(and (<= 71 ULTIMATE.start_main_~x~4) (<= 29 ULTIMATE.start_main_~y~4)), 48618#(and (<= 71 ULTIMATE.start_main_~x~4) (<= 28 ULTIMATE.start_main_~y~4)), 48619#(and (<= 72 ULTIMATE.start_main_~x~4) (<= 28 ULTIMATE.start_main_~y~4)), 48620#(and (<= 72 ULTIMATE.start_main_~x~4) (<= 27 ULTIMATE.start_main_~y~4)), 48621#(and (<= 27 ULTIMATE.start_main_~y~4) (<= 73 ULTIMATE.start_main_~x~4)), 48622#(and (<= 73 ULTIMATE.start_main_~x~4) (<= 26 ULTIMATE.start_main_~y~4)), 48623#(and (<= 74 ULTIMATE.start_main_~x~4) (<= 26 ULTIMATE.start_main_~y~4)), 48624#(and (<= 74 ULTIMATE.start_main_~x~4) (<= 25 ULTIMATE.start_main_~y~4)), 48625#(and (<= 75 ULTIMATE.start_main_~x~4) (<= 25 ULTIMATE.start_main_~y~4)), 48626#(and (<= 24 ULTIMATE.start_main_~y~4) (<= 75 ULTIMATE.start_main_~x~4)), 48627#(and (<= 24 ULTIMATE.start_main_~y~4) (<= 76 ULTIMATE.start_main_~x~4)), 48628#(and (<= 23 ULTIMATE.start_main_~y~4) (<= 76 ULTIMATE.start_main_~x~4)), 48629#(and (<= 77 ULTIMATE.start_main_~x~4) (<= 23 ULTIMATE.start_main_~y~4)), 48630#(and (<= 77 ULTIMATE.start_main_~x~4) (<= 22 ULTIMATE.start_main_~y~4)), 48631#(and (<= 78 ULTIMATE.start_main_~x~4) (<= 22 ULTIMATE.start_main_~y~4)), 48632#(and (<= 21 ULTIMATE.start_main_~y~4) (<= 78 ULTIMATE.start_main_~x~4)), 48633#(and (<= 79 ULTIMATE.start_main_~x~4) (<= 21 ULTIMATE.start_main_~y~4)), 48634#(and (<= 79 ULTIMATE.start_main_~x~4) (<= 20 ULTIMATE.start_main_~y~4)), 48635#(and (<= 20 ULTIMATE.start_main_~y~4) (<= 80 ULTIMATE.start_main_~x~4)), 48636#(and (<= 19 ULTIMATE.start_main_~y~4) (<= 80 ULTIMATE.start_main_~x~4)), 48637#(and (<= 19 ULTIMATE.start_main_~y~4) (<= 81 ULTIMATE.start_main_~x~4)), 48638#(and (<= 18 ULTIMATE.start_main_~y~4) (<= 81 ULTIMATE.start_main_~x~4)), 48639#(and (<= 18 ULTIMATE.start_main_~y~4) (<= 82 ULTIMATE.start_main_~x~4))] [2018-07-23 13:42:36,632 INFO L134 CoverageAnalysis]: Checked inductivity of 8930 backedges. 0 proven. 8930 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2018-07-23 13:42:36,632 INFO L450 AbstractCegarLoop]: Interpolant automaton has 191 states [2018-07-23 13:42:36,632 INFO L132 InterpolantAutomaton]: Constructing interpolant automaton starting with 191 interpolants. [2018-07-23 13:42:36,635 INFO L133 InterpolantAutomaton]: CoverageRelationStatistics Valid=878, Invalid=35412, Unknown=0, NotChecked=0, Total=36290 [2018-07-23 13:42:36,635 INFO L87 Difference]: Start difference. First operand 193 states and 193 transitions. Second operand 191 states. [2018-07-23 13:42:37,930 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2018-07-23 13:42:37,931 INFO L93 Difference]: Finished difference Result 198 states and 198 transitions. [2018-07-23 13:42:37,931 INFO L142 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 191 states. [2018-07-23 13:42:37,931 INFO L78 Accepts]: Start accepts. Automaton has 191 states. Word has length 192 [2018-07-23 13:42:37,931 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2018-07-23 13:42:37,932 INFO L225 Difference]: With dead ends: 198 [2018-07-23 13:42:37,932 INFO L226 Difference]: Without dead ends: 196 [2018-07-23 13:42:37,933 INFO L575 BasicCegarLoop]: 0 DeclaredPredicates, 192 GetRequests, 1 SyntacticMatches, 1 SemanticMatches, 190 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 11091 ImplicationChecksByTransitivity, 1.1s TimeCoverageRelationStatistics Valid=884, Invalid=35788, Unknown=0, NotChecked=0, Total=36672 [2018-07-23 13:42:37,933 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 196 states. [2018-07-23 13:42:37,974 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 196 to 195. [2018-07-23 13:42:37,974 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 195 states. [2018-07-23 13:42:37,974 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 195 states to 195 states and 195 transitions. [2018-07-23 13:42:37,975 INFO L78 Accepts]: Start accepts. Automaton has 195 states and 195 transitions. Word has length 192 [2018-07-23 13:42:37,975 INFO L84 Accepts]: Finished accepts. word is rejected. [2018-07-23 13:42:37,975 INFO L471 AbstractCegarLoop]: Abstraction has 195 states and 195 transitions. [2018-07-23 13:42:37,975 INFO L472 AbstractCegarLoop]: Interpolant automaton has 191 states. [2018-07-23 13:42:37,975 INFO L276 IsEmpty]: Start isEmpty. Operand 195 states and 195 transitions. [2018-07-23 13:42:37,976 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 195 [2018-07-23 13:42:37,976 INFO L349 BasicCegarLoop]: Found error trace [2018-07-23 13:42:37,976 INFO L357 BasicCegarLoop]: trace histogram [96, 95, 1, 1, 1] [2018-07-23 13:42:37,976 INFO L414 AbstractCegarLoop]: === Iteration 96 === [ULTIMATE.startErr0AssertViolationASSERT]=== [2018-07-23 13:42:37,976 INFO L82 PathProgramCache]: Analyzing trace with hash 1901005266, now seen corresponding path program 95 times [2018-07-23 13:42:37,976 INFO L69 tionRefinementEngine]: Using refinement strategy FixedRefinementStrategy [2018-07-23 13:42:38,004 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-07-23 13:42:39,473 INFO L134 CoverageAnalysis]: Checked inductivity of 9120 backedges. 0 proven. 9120 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2018-07-23 13:42:39,474 INFO L309 seRefinementStrategy]: Constructing automaton from 0 perfect and 1 imperfect interpolant sequences. [2018-07-23 13:42:39,474 INFO L324 seRefinementStrategy]: Number of different interpolants: perfect sequences [] imperfect sequences [192] total 192 [2018-07-23 13:42:39,474 INFO L142 lantAutomatonBuilder]: Constructing canonical interpolant automaton, with selfloop in false state [2018-07-23 13:42:39,474 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2018-07-23 13:42:39,475 INFO L185 omatonBuilderFactory]: Interpolants [49452#true, 49453#false, 49454#(and (<= 0 ULTIMATE.start_main_~y~4) (<= ULTIMATE.start_main_~x~4 0) (<= 0 ULTIMATE.start_main_~x~4)), 49455#(and (<= ULTIMATE.start_main_~x~4 0) (<= 0 ULTIMATE.start_main_~x~4) (<= 1 ULTIMATE.start_main_~y~4)), 49456#(and (<= ULTIMATE.start_main_~x~4 1) (<= 1 ULTIMATE.start_main_~y~4) (<= 1 ULTIMATE.start_main_~x~4)), 49457#(and (<= 2 ULTIMATE.start_main_~y~4) (<= ULTIMATE.start_main_~x~4 1) (<= 1 ULTIMATE.start_main_~x~4)), 49458#(and (<= 2 ULTIMATE.start_main_~y~4) (<= 2 ULTIMATE.start_main_~x~4) (<= ULTIMATE.start_main_~x~4 2)), 49459#(and (<= 3 ULTIMATE.start_main_~y~4) (<= 2 ULTIMATE.start_main_~x~4) (<= ULTIMATE.start_main_~x~4 2)), 49460#(and (<= 3 ULTIMATE.start_main_~x~4) (<= 3 ULTIMATE.start_main_~y~4) (<= ULTIMATE.start_main_~x~4 3)), 49461#(and (<= 3 ULTIMATE.start_main_~x~4) (<= 4 ULTIMATE.start_main_~y~4) (<= ULTIMATE.start_main_~x~4 3)), 49462#(and (<= 4 ULTIMATE.start_main_~y~4) (<= ULTIMATE.start_main_~x~4 4) (<= 4 ULTIMATE.start_main_~x~4)), 49463#(and (<= 5 ULTIMATE.start_main_~y~4) (<= ULTIMATE.start_main_~x~4 4) (<= 4 ULTIMATE.start_main_~x~4)), 49464#(and (<= ULTIMATE.start_main_~x~4 5) (<= 5 ULTIMATE.start_main_~y~4) (<= 5 ULTIMATE.start_main_~x~4)), 49465#(and (<= ULTIMATE.start_main_~x~4 5) (<= 6 ULTIMATE.start_main_~y~4) (<= 5 ULTIMATE.start_main_~x~4)), 49466#(and (<= 6 ULTIMATE.start_main_~x~4) (<= 6 ULTIMATE.start_main_~y~4) (<= ULTIMATE.start_main_~x~4 6)), 49467#(and (<= 6 ULTIMATE.start_main_~x~4) (<= 7 ULTIMATE.start_main_~y~4) (<= ULTIMATE.start_main_~x~4 6)), 49468#(and (<= ULTIMATE.start_main_~x~4 7) (<= 7 ULTIMATE.start_main_~y~4) (<= 7 ULTIMATE.start_main_~x~4)), 49469#(and (<= ULTIMATE.start_main_~x~4 7) (<= 7 ULTIMATE.start_main_~x~4) (<= 8 ULTIMATE.start_main_~y~4)), 49470#(and (<= ULTIMATE.start_main_~x~4 8) (<= 8 ULTIMATE.start_main_~y~4) (<= 8 ULTIMATE.start_main_~x~4)), 49471#(and (<= ULTIMATE.start_main_~x~4 8) (<= 8 ULTIMATE.start_main_~x~4) (<= 9 ULTIMATE.start_main_~y~4)), 49472#(and (<= 9 ULTIMATE.start_main_~x~4) (<= ULTIMATE.start_main_~x~4 9) (<= 9 ULTIMATE.start_main_~y~4)), 49473#(and (<= 9 ULTIMATE.start_main_~x~4) (<= 10 ULTIMATE.start_main_~y~4) (<= ULTIMATE.start_main_~x~4 9)), 49474#(and (<= ULTIMATE.start_main_~x~4 10) (<= 10 ULTIMATE.start_main_~y~4) (<= 10 ULTIMATE.start_main_~x~4)), 49475#(and (<= ULTIMATE.start_main_~x~4 10) (<= 11 ULTIMATE.start_main_~y~4) (<= 10 ULTIMATE.start_main_~x~4)), 49476#(and (<= ULTIMATE.start_main_~x~4 11) (<= 11 ULTIMATE.start_main_~x~4) (<= 11 ULTIMATE.start_main_~y~4)), 49477#(and (<= ULTIMATE.start_main_~x~4 11) (<= 11 ULTIMATE.start_main_~x~4) (<= 12 ULTIMATE.start_main_~y~4)), 49478#(and (<= 12 ULTIMATE.start_main_~x~4) (<= 12 ULTIMATE.start_main_~y~4) (<= ULTIMATE.start_main_~x~4 12)), 49479#(and (<= 12 ULTIMATE.start_main_~x~4) (<= 13 ULTIMATE.start_main_~y~4) (<= ULTIMATE.start_main_~x~4 12)), 49480#(and (<= 13 ULTIMATE.start_main_~y~4) (<= ULTIMATE.start_main_~x~4 13) (<= 13 ULTIMATE.start_main_~x~4)), 49481#(and (<= 14 ULTIMATE.start_main_~y~4) (<= ULTIMATE.start_main_~x~4 13) (<= 13 ULTIMATE.start_main_~x~4)), 49482#(and (<= 14 ULTIMATE.start_main_~y~4) (<= 14 ULTIMATE.start_main_~x~4) (<= ULTIMATE.start_main_~x~4 14)), 49483#(and (<= 14 ULTIMATE.start_main_~x~4) (<= ULTIMATE.start_main_~x~4 14) (<= 15 ULTIMATE.start_main_~y~4)), 49484#(and (<= 15 ULTIMATE.start_main_~x~4) (<= 15 ULTIMATE.start_main_~y~4) (<= ULTIMATE.start_main_~x~4 15)), 49485#(and (<= 15 ULTIMATE.start_main_~x~4) (<= 16 ULTIMATE.start_main_~y~4) (<= ULTIMATE.start_main_~x~4 15)), 49486#(and (<= ULTIMATE.start_main_~x~4 16) (<= 16 ULTIMATE.start_main_~x~4) (<= 16 ULTIMATE.start_main_~y~4)), 49487#(and (<= ULTIMATE.start_main_~x~4 16) (<= 16 ULTIMATE.start_main_~x~4) (<= 17 ULTIMATE.start_main_~y~4)), 49488#(and (<= ULTIMATE.start_main_~x~4 17) (<= 17 ULTIMATE.start_main_~y~4) (<= 17 ULTIMATE.start_main_~x~4)), 49489#(and (<= 18 ULTIMATE.start_main_~y~4) (<= ULTIMATE.start_main_~x~4 17) (<= 17 ULTIMATE.start_main_~x~4)), 49490#(and (<= 18 ULTIMATE.start_main_~y~4) (<= 18 ULTIMATE.start_main_~x~4) (<= ULTIMATE.start_main_~x~4 18)), 49491#(and (<= 18 ULTIMATE.start_main_~x~4) (<= ULTIMATE.start_main_~x~4 18) (<= 19 ULTIMATE.start_main_~y~4)), 49492#(and (<= 19 ULTIMATE.start_main_~y~4) (<= 19 ULTIMATE.start_main_~x~4) (<= ULTIMATE.start_main_~x~4 19)), 49493#(and (<= 20 ULTIMATE.start_main_~y~4) (<= 19 ULTIMATE.start_main_~x~4) (<= ULTIMATE.start_main_~x~4 19)), 49494#(and (<= 20 ULTIMATE.start_main_~x~4) (<= 20 ULTIMATE.start_main_~y~4) (<= ULTIMATE.start_main_~x~4 20)), 49495#(and (<= 20 ULTIMATE.start_main_~x~4) (<= 21 ULTIMATE.start_main_~y~4) (<= ULTIMATE.start_main_~x~4 20)), 49496#(and (<= ULTIMATE.start_main_~x~4 21) (<= 21 ULTIMATE.start_main_~y~4) (<= 21 ULTIMATE.start_main_~x~4)), 49497#(and (<= ULTIMATE.start_main_~x~4 21) (<= 21 ULTIMATE.start_main_~x~4) (<= 22 ULTIMATE.start_main_~y~4)), 49498#(and (<= ULTIMATE.start_main_~x~4 22) (<= 22 ULTIMATE.start_main_~x~4) (<= 22 ULTIMATE.start_main_~y~4)), 49499#(and (<= 23 ULTIMATE.start_main_~y~4) (<= ULTIMATE.start_main_~x~4 22) (<= 22 ULTIMATE.start_main_~x~4)), 49500#(and (<= ULTIMATE.start_main_~x~4 23) (<= 23 ULTIMATE.start_main_~x~4) (<= 23 ULTIMATE.start_main_~y~4)), 49501#(and (<= ULTIMATE.start_main_~x~4 23) (<= 23 ULTIMATE.start_main_~x~4) (<= 24 ULTIMATE.start_main_~y~4)), 49502#(and (<= 24 ULTIMATE.start_main_~y~4) (<= ULTIMATE.start_main_~x~4 24) (<= 24 ULTIMATE.start_main_~x~4)), 49503#(and (<= 25 ULTIMATE.start_main_~y~4) (<= ULTIMATE.start_main_~x~4 24) (<= 24 ULTIMATE.start_main_~x~4)), 49504#(and (<= 25 ULTIMATE.start_main_~y~4) (<= ULTIMATE.start_main_~x~4 25) (<= 25 ULTIMATE.start_main_~x~4)), 49505#(and (<= ULTIMATE.start_main_~x~4 25) (<= 26 ULTIMATE.start_main_~y~4) (<= 25 ULTIMATE.start_main_~x~4)), 49506#(and (<= ULTIMATE.start_main_~x~4 26) (<= 26 ULTIMATE.start_main_~y~4) (<= 26 ULTIMATE.start_main_~x~4)), 49507#(and (<= ULTIMATE.start_main_~x~4 26) (<= 27 ULTIMATE.start_main_~y~4) (<= 26 ULTIMATE.start_main_~x~4)), 49508#(and (<= ULTIMATE.start_main_~x~4 27) (<= 27 ULTIMATE.start_main_~y~4) (<= 27 ULTIMATE.start_main_~x~4)), 49509#(and (<= ULTIMATE.start_main_~x~4 27) (<= 27 ULTIMATE.start_main_~x~4) (<= 28 ULTIMATE.start_main_~y~4)), 49510#(and (<= ULTIMATE.start_main_~x~4 28) (<= 28 ULTIMATE.start_main_~y~4) (<= 28 ULTIMATE.start_main_~x~4)), 49511#(and (<= ULTIMATE.start_main_~x~4 28) (<= 29 ULTIMATE.start_main_~y~4) (<= 28 ULTIMATE.start_main_~x~4)), 49512#(and (<= 29 ULTIMATE.start_main_~x~4) (<= 29 ULTIMATE.start_main_~y~4) (<= ULTIMATE.start_main_~x~4 29)), 49513#(and (<= 29 ULTIMATE.start_main_~x~4) (<= 30 ULTIMATE.start_main_~y~4) (<= ULTIMATE.start_main_~x~4 29)), 49514#(and (<= ULTIMATE.start_main_~x~4 30) (<= 30 ULTIMATE.start_main_~y~4) (<= 30 ULTIMATE.start_main_~x~4)), 49515#(and (<= ULTIMATE.start_main_~x~4 30) (<= 31 ULTIMATE.start_main_~y~4) (<= 30 ULTIMATE.start_main_~x~4)), 49516#(and (<= ULTIMATE.start_main_~x~4 31) (<= 31 ULTIMATE.start_main_~y~4) (<= 31 ULTIMATE.start_main_~x~4)), 49517#(and (<= ULTIMATE.start_main_~x~4 31) (<= 32 ULTIMATE.start_main_~y~4) (<= 31 ULTIMATE.start_main_~x~4)), 49518#(and (<= ULTIMATE.start_main_~x~4 32) (<= 32 ULTIMATE.start_main_~y~4) (<= 32 ULTIMATE.start_main_~x~4)), 49519#(and (<= ULTIMATE.start_main_~x~4 32) (<= 33 ULTIMATE.start_main_~y~4) (<= 32 ULTIMATE.start_main_~x~4)), 49520#(and (<= ULTIMATE.start_main_~x~4 33) (<= 33 ULTIMATE.start_main_~y~4) (<= 33 ULTIMATE.start_main_~x~4)), 49521#(and (<= ULTIMATE.start_main_~x~4 33) (<= 33 ULTIMATE.start_main_~x~4) (<= 34 ULTIMATE.start_main_~y~4)), 49522#(and (<= 34 ULTIMATE.start_main_~x~4) (<= ULTIMATE.start_main_~x~4 34) (<= 34 ULTIMATE.start_main_~y~4)), 49523#(and (<= 34 ULTIMATE.start_main_~x~4) (<= ULTIMATE.start_main_~x~4 34) (<= 35 ULTIMATE.start_main_~y~4)), 49524#(and (<= ULTIMATE.start_main_~x~4 35) (<= 35 ULTIMATE.start_main_~y~4) (<= 35 ULTIMATE.start_main_~x~4)), 49525#(and (<= ULTIMATE.start_main_~x~4 35) (<= 35 ULTIMATE.start_main_~x~4) (<= 36 ULTIMATE.start_main_~y~4)), 49526#(and (<= 36 ULTIMATE.start_main_~x~4) (<= ULTIMATE.start_main_~x~4 36) (<= 36 ULTIMATE.start_main_~y~4)), 49527#(and (<= 36 ULTIMATE.start_main_~x~4) (<= 37 ULTIMATE.start_main_~y~4) (<= ULTIMATE.start_main_~x~4 36)), 49528#(and (<= 37 ULTIMATE.start_main_~y~4) (<= ULTIMATE.start_main_~x~4 37) (<= 37 ULTIMATE.start_main_~x~4)), 49529#(and (<= ULTIMATE.start_main_~x~4 37) (<= 38 ULTIMATE.start_main_~y~4) (<= 37 ULTIMATE.start_main_~x~4)), 49530#(and (<= 38 ULTIMATE.start_main_~x~4) (<= ULTIMATE.start_main_~x~4 38) (<= 38 ULTIMATE.start_main_~y~4)), 49531#(and (<= 38 ULTIMATE.start_main_~x~4) (<= 39 ULTIMATE.start_main_~y~4) (<= ULTIMATE.start_main_~x~4 38)), 49532#(and (<= 39 ULTIMATE.start_main_~y~4) (<= ULTIMATE.start_main_~x~4 39) (<= 39 ULTIMATE.start_main_~x~4)), 49533#(and (<= ULTIMATE.start_main_~x~4 39) (<= 39 ULTIMATE.start_main_~x~4) (<= 40 ULTIMATE.start_main_~y~4)), 49534#(and (<= ULTIMATE.start_main_~x~4 40) (<= 40 ULTIMATE.start_main_~x~4) (<= 40 ULTIMATE.start_main_~y~4)), 49535#(and (<= ULTIMATE.start_main_~x~4 40) (<= 40 ULTIMATE.start_main_~x~4) (<= 41 ULTIMATE.start_main_~y~4)), 49536#(and (<= ULTIMATE.start_main_~x~4 41) (<= 41 ULTIMATE.start_main_~x~4) (<= 41 ULTIMATE.start_main_~y~4)), 49537#(and (<= ULTIMATE.start_main_~x~4 41) (<= 41 ULTIMATE.start_main_~x~4) (<= 42 ULTIMATE.start_main_~y~4)), 49538#(and (<= 42 ULTIMATE.start_main_~y~4) (<= ULTIMATE.start_main_~x~4 42) (<= 42 ULTIMATE.start_main_~x~4)), 49539#(and (<= 43 ULTIMATE.start_main_~y~4) (<= ULTIMATE.start_main_~x~4 42) (<= 42 ULTIMATE.start_main_~x~4)), 49540#(and (<= 43 ULTIMATE.start_main_~y~4) (<= ULTIMATE.start_main_~x~4 43) (<= 43 ULTIMATE.start_main_~x~4)), 49541#(and (<= ULTIMATE.start_main_~x~4 43) (<= 44 ULTIMATE.start_main_~y~4) (<= 43 ULTIMATE.start_main_~x~4)), 49542#(and (<= 44 ULTIMATE.start_main_~x~4) (<= ULTIMATE.start_main_~x~4 44) (<= 44 ULTIMATE.start_main_~y~4)), 49543#(and (<= 44 ULTIMATE.start_main_~x~4) (<= ULTIMATE.start_main_~x~4 44) (<= 45 ULTIMATE.start_main_~y~4)), 49544#(and (<= 45 ULTIMATE.start_main_~y~4) (<= 45 ULTIMATE.start_main_~x~4) (<= ULTIMATE.start_main_~x~4 45)), 49545#(and (<= 46 ULTIMATE.start_main_~y~4) (<= 45 ULTIMATE.start_main_~x~4) (<= ULTIMATE.start_main_~x~4 45)), 49546#(and (<= ULTIMATE.start_main_~x~4 46) (<= 46 ULTIMATE.start_main_~x~4) (<= 46 ULTIMATE.start_main_~y~4)), 49547#(and (<= ULTIMATE.start_main_~x~4 46) (<= 47 ULTIMATE.start_main_~y~4) (<= 46 ULTIMATE.start_main_~x~4)), 49548#(and (<= 47 ULTIMATE.start_main_~y~4) (<= 47 ULTIMATE.start_main_~x~4) (<= ULTIMATE.start_main_~x~4 47)), 49549#(and (<= 48 ULTIMATE.start_main_~y~4) (<= 47 ULTIMATE.start_main_~x~4) (<= ULTIMATE.start_main_~x~4 47)), 49550#(and (<= 48 ULTIMATE.start_main_~x~4) (<= 48 ULTIMATE.start_main_~y~4) (<= ULTIMATE.start_main_~x~4 48)), 49551#(and (<= 48 ULTIMATE.start_main_~x~4) (<= 49 ULTIMATE.start_main_~y~4) (<= ULTIMATE.start_main_~x~4 48)), 49552#(and (<= 49 ULTIMATE.start_main_~x~4) (<= 49 ULTIMATE.start_main_~y~4) (<= ULTIMATE.start_main_~x~4 49)), 49553#(and (<= 49 ULTIMATE.start_main_~x~4) (<= 50 ULTIMATE.start_main_~y~4)), 49554#(and (<= 50 ULTIMATE.start_main_~x~4) (<= 50 ULTIMATE.start_main_~y~4)), 49555#(and (<= 50 ULTIMATE.start_main_~x~4) (<= 49 ULTIMATE.start_main_~y~4)), 49556#(and (<= 51 ULTIMATE.start_main_~x~4) (<= 49 ULTIMATE.start_main_~y~4)), 49557#(and (<= 51 ULTIMATE.start_main_~x~4) (<= 48 ULTIMATE.start_main_~y~4)), 49558#(and (<= 52 ULTIMATE.start_main_~x~4) (<= 48 ULTIMATE.start_main_~y~4)), 49559#(and (<= 52 ULTIMATE.start_main_~x~4) (<= 47 ULTIMATE.start_main_~y~4)), 49560#(and (<= 47 ULTIMATE.start_main_~y~4) (<= 53 ULTIMATE.start_main_~x~4)), 49561#(and (<= 53 ULTIMATE.start_main_~x~4) (<= 46 ULTIMATE.start_main_~y~4)), 49562#(and (<= 54 ULTIMATE.start_main_~x~4) (<= 46 ULTIMATE.start_main_~y~4)), 49563#(and (<= 45 ULTIMATE.start_main_~y~4) (<= 54 ULTIMATE.start_main_~x~4)), 49564#(and (<= 45 ULTIMATE.start_main_~y~4) (<= 55 ULTIMATE.start_main_~x~4)), 49565#(and (<= 55 ULTIMATE.start_main_~x~4) (<= 44 ULTIMATE.start_main_~y~4)), 49566#(and (<= 56 ULTIMATE.start_main_~x~4) (<= 44 ULTIMATE.start_main_~y~4)), 49567#(and (<= 56 ULTIMATE.start_main_~x~4) (<= 43 ULTIMATE.start_main_~y~4)), 49568#(and (<= 43 ULTIMATE.start_main_~y~4) (<= 57 ULTIMATE.start_main_~x~4)), 49569#(and (<= 42 ULTIMATE.start_main_~y~4) (<= 57 ULTIMATE.start_main_~x~4)), 49570#(and (<= 58 ULTIMATE.start_main_~x~4) (<= 42 ULTIMATE.start_main_~y~4)), 49571#(and (<= 58 ULTIMATE.start_main_~x~4) (<= 41 ULTIMATE.start_main_~y~4)), 49572#(and (<= 41 ULTIMATE.start_main_~y~4) (<= 59 ULTIMATE.start_main_~x~4)), 49573#(and (<= 40 ULTIMATE.start_main_~y~4) (<= 59 ULTIMATE.start_main_~x~4)), 49574#(and (<= 60 ULTIMATE.start_main_~x~4) (<= 40 ULTIMATE.start_main_~y~4)), 49575#(and (<= 39 ULTIMATE.start_main_~y~4) (<= 60 ULTIMATE.start_main_~x~4)), 49576#(and (<= 61 ULTIMATE.start_main_~x~4) (<= 39 ULTIMATE.start_main_~y~4)), 49577#(and (<= 61 ULTIMATE.start_main_~x~4) (<= 38 ULTIMATE.start_main_~y~4)), 49578#(and (<= 38 ULTIMATE.start_main_~y~4) (<= 62 ULTIMATE.start_main_~x~4)), 49579#(and (<= 37 ULTIMATE.start_main_~y~4) (<= 62 ULTIMATE.start_main_~x~4)), 49580#(and (<= 63 ULTIMATE.start_main_~x~4) (<= 37 ULTIMATE.start_main_~y~4)), 49581#(and (<= 63 ULTIMATE.start_main_~x~4) (<= 36 ULTIMATE.start_main_~y~4)), 49582#(and (<= 64 ULTIMATE.start_main_~x~4) (<= 36 ULTIMATE.start_main_~y~4)), 49583#(and (<= 35 ULTIMATE.start_main_~y~4) (<= 64 ULTIMATE.start_main_~x~4)), 49584#(and (<= 35 ULTIMATE.start_main_~y~4) (<= 65 ULTIMATE.start_main_~x~4)), 49585#(and (<= 34 ULTIMATE.start_main_~y~4) (<= 65 ULTIMATE.start_main_~x~4)), 49586#(and (<= 66 ULTIMATE.start_main_~x~4) (<= 34 ULTIMATE.start_main_~y~4)), 49587#(and (<= 66 ULTIMATE.start_main_~x~4) (<= 33 ULTIMATE.start_main_~y~4)), 49588#(and (<= 67 ULTIMATE.start_main_~x~4) (<= 33 ULTIMATE.start_main_~y~4)), 49589#(and (<= 67 ULTIMATE.start_main_~x~4) (<= 32 ULTIMATE.start_main_~y~4)), 49590#(and (<= 32 ULTIMATE.start_main_~y~4) (<= 68 ULTIMATE.start_main_~x~4)), 49591#(and (<= 31 ULTIMATE.start_main_~y~4) (<= 68 ULTIMATE.start_main_~x~4)), 49592#(and (<= 31 ULTIMATE.start_main_~y~4) (<= 69 ULTIMATE.start_main_~x~4)), 49593#(and (<= 30 ULTIMATE.start_main_~y~4) (<= 69 ULTIMATE.start_main_~x~4)), 49594#(and (<= 70 ULTIMATE.start_main_~x~4) (<= 30 ULTIMATE.start_main_~y~4)), 49595#(and (<= 70 ULTIMATE.start_main_~x~4) (<= 29 ULTIMATE.start_main_~y~4)), 49596#(and (<= 71 ULTIMATE.start_main_~x~4) (<= 29 ULTIMATE.start_main_~y~4)), 49597#(and (<= 71 ULTIMATE.start_main_~x~4) (<= 28 ULTIMATE.start_main_~y~4)), 49598#(and (<= 72 ULTIMATE.start_main_~x~4) (<= 28 ULTIMATE.start_main_~y~4)), 49599#(and (<= 72 ULTIMATE.start_main_~x~4) (<= 27 ULTIMATE.start_main_~y~4)), 49600#(and (<= 27 ULTIMATE.start_main_~y~4) (<= 73 ULTIMATE.start_main_~x~4)), 49601#(and (<= 73 ULTIMATE.start_main_~x~4) (<= 26 ULTIMATE.start_main_~y~4)), 49602#(and (<= 74 ULTIMATE.start_main_~x~4) (<= 26 ULTIMATE.start_main_~y~4)), 49603#(and (<= 74 ULTIMATE.start_main_~x~4) (<= 25 ULTIMATE.start_main_~y~4)), 49604#(and (<= 75 ULTIMATE.start_main_~x~4) (<= 25 ULTIMATE.start_main_~y~4)), 49605#(and (<= 24 ULTIMATE.start_main_~y~4) (<= 75 ULTIMATE.start_main_~x~4)), 49606#(and (<= 24 ULTIMATE.start_main_~y~4) (<= 76 ULTIMATE.start_main_~x~4)), 49607#(and (<= 23 ULTIMATE.start_main_~y~4) (<= 76 ULTIMATE.start_main_~x~4)), 49608#(and (<= 77 ULTIMATE.start_main_~x~4) (<= 23 ULTIMATE.start_main_~y~4)), 49609#(and (<= 77 ULTIMATE.start_main_~x~4) (<= 22 ULTIMATE.start_main_~y~4)), 49610#(and (<= 78 ULTIMATE.start_main_~x~4) (<= 22 ULTIMATE.start_main_~y~4)), 49611#(and (<= 21 ULTIMATE.start_main_~y~4) (<= 78 ULTIMATE.start_main_~x~4)), 49612#(and (<= 79 ULTIMATE.start_main_~x~4) (<= 21 ULTIMATE.start_main_~y~4)), 49613#(and (<= 79 ULTIMATE.start_main_~x~4) (<= 20 ULTIMATE.start_main_~y~4)), 49614#(and (<= 20 ULTIMATE.start_main_~y~4) (<= 80 ULTIMATE.start_main_~x~4)), 49615#(and (<= 19 ULTIMATE.start_main_~y~4) (<= 80 ULTIMATE.start_main_~x~4)), 49616#(and (<= 19 ULTIMATE.start_main_~y~4) (<= 81 ULTIMATE.start_main_~x~4)), 49617#(and (<= 18 ULTIMATE.start_main_~y~4) (<= 81 ULTIMATE.start_main_~x~4)), 49618#(and (<= 18 ULTIMATE.start_main_~y~4) (<= 82 ULTIMATE.start_main_~x~4)), 49619#(and (<= 82 ULTIMATE.start_main_~x~4) (<= 17 ULTIMATE.start_main_~y~4)), 49620#(and (<= 83 ULTIMATE.start_main_~x~4) (<= 17 ULTIMATE.start_main_~y~4)), 49621#(and (<= 83 ULTIMATE.start_main_~x~4) (<= 16 ULTIMATE.start_main_~y~4)), 49622#(and (<= 16 ULTIMATE.start_main_~y~4) (<= 84 ULTIMATE.start_main_~x~4)), 49623#(and (<= 84 ULTIMATE.start_main_~x~4) (<= 15 ULTIMATE.start_main_~y~4)), 49624#(and (<= 85 ULTIMATE.start_main_~x~4) (<= 15 ULTIMATE.start_main_~y~4)), 49625#(and (<= 14 ULTIMATE.start_main_~y~4) (<= 85 ULTIMATE.start_main_~x~4)), 49626#(and (<= 14 ULTIMATE.start_main_~y~4) (<= 86 ULTIMATE.start_main_~x~4)), 49627#(and (<= 13 ULTIMATE.start_main_~y~4) (<= 86 ULTIMATE.start_main_~x~4)), 49628#(and (<= 13 ULTIMATE.start_main_~y~4) (<= 87 ULTIMATE.start_main_~x~4)), 49629#(and (<= 12 ULTIMATE.start_main_~y~4) (<= 87 ULTIMATE.start_main_~x~4)), 49630#(and (<= 12 ULTIMATE.start_main_~y~4) (<= 88 ULTIMATE.start_main_~x~4)), 49631#(and (<= 88 ULTIMATE.start_main_~x~4) (<= 11 ULTIMATE.start_main_~y~4)), 49632#(and (<= 89 ULTIMATE.start_main_~x~4) (<= 11 ULTIMATE.start_main_~y~4)), 49633#(and (<= 89 ULTIMATE.start_main_~x~4) (<= 10 ULTIMATE.start_main_~y~4)), 49634#(and (<= 90 ULTIMATE.start_main_~x~4) (<= 10 ULTIMATE.start_main_~y~4)), 49635#(and (<= 90 ULTIMATE.start_main_~x~4) (<= 9 ULTIMATE.start_main_~y~4)), 49636#(and (<= 91 ULTIMATE.start_main_~x~4) (<= 9 ULTIMATE.start_main_~y~4)), 49637#(and (<= 91 ULTIMATE.start_main_~x~4) (<= 8 ULTIMATE.start_main_~y~4)), 49638#(and (<= 8 ULTIMATE.start_main_~y~4) (<= 92 ULTIMATE.start_main_~x~4)), 49639#(and (<= 7 ULTIMATE.start_main_~y~4) (<= 92 ULTIMATE.start_main_~x~4)), 49640#(and (<= 7 ULTIMATE.start_main_~y~4) (<= 93 ULTIMATE.start_main_~x~4)), 49641#(and (<= 6 ULTIMATE.start_main_~y~4) (<= 93 ULTIMATE.start_main_~x~4)), 49642#(and (<= 6 ULTIMATE.start_main_~y~4) (<= 94 ULTIMATE.start_main_~x~4)), 49643#(<= 5 ULTIMATE.start_main_~y~4), 49644#(<= 1 ULTIMATE.start_main_~y~4)] [2018-07-23 13:42:39,476 INFO L134 CoverageAnalysis]: Checked inductivity of 9120 backedges. 0 proven. 9120 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2018-07-23 13:42:39,476 INFO L450 AbstractCegarLoop]: Interpolant automaton has 193 states [2018-07-23 13:42:39,476 INFO L132 InterpolantAutomaton]: Constructing interpolant automaton starting with 193 interpolants. [2018-07-23 13:42:39,478 INFO L133 InterpolantAutomaton]: CoverageRelationStatistics Valid=890, Invalid=36166, Unknown=0, NotChecked=0, Total=37056 [2018-07-23 13:42:39,478 INFO L87 Difference]: Start difference. First operand 195 states and 195 transitions. Second operand 193 states. [2018-07-23 13:42:40,867 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2018-07-23 13:42:40,867 INFO L93 Difference]: Finished difference Result 200 states and 200 transitions. [2018-07-23 13:42:40,867 INFO L142 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 193 states. [2018-07-23 13:42:40,867 INFO L78 Accepts]: Start accepts. Automaton has 193 states. Word has length 194 [2018-07-23 13:42:40,868 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2018-07-23 13:42:40,868 INFO L225 Difference]: With dead ends: 200 [2018-07-23 13:42:40,868 INFO L226 Difference]: Without dead ends: 198 [2018-07-23 13:42:40,870 INFO L575 BasicCegarLoop]: 0 DeclaredPredicates, 194 GetRequests, 1 SyntacticMatches, 1 SemanticMatches, 192 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 11373 ImplicationChecksByTransitivity, 1.2s TimeCoverageRelationStatistics Valid=896, Invalid=36546, Unknown=0, NotChecked=0, Total=37442 [2018-07-23 13:42:40,871 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 198 states. [2018-07-23 13:42:40,903 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 198 to 197. [2018-07-23 13:42:40,903 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 197 states. [2018-07-23 13:42:40,903 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 197 states to 197 states and 197 transitions. [2018-07-23 13:42:40,903 INFO L78 Accepts]: Start accepts. Automaton has 197 states and 197 transitions. Word has length 194 [2018-07-23 13:42:40,903 INFO L84 Accepts]: Finished accepts. word is rejected. [2018-07-23 13:42:40,903 INFO L471 AbstractCegarLoop]: Abstraction has 197 states and 197 transitions. [2018-07-23 13:42:40,903 INFO L472 AbstractCegarLoop]: Interpolant automaton has 193 states. [2018-07-23 13:42:40,904 INFO L276 IsEmpty]: Start isEmpty. Operand 197 states and 197 transitions. [2018-07-23 13:42:40,904 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 197 [2018-07-23 13:42:40,904 INFO L349 BasicCegarLoop]: Found error trace [2018-07-23 13:42:40,904 INFO L357 BasicCegarLoop]: trace histogram [97, 96, 1, 1, 1] [2018-07-23 13:42:40,904 INFO L414 AbstractCegarLoop]: === Iteration 97 === [ULTIMATE.startErr0AssertViolationASSERT]=== [2018-07-23 13:42:40,905 INFO L82 PathProgramCache]: Analyzing trace with hash 1505023608, now seen corresponding path program 96 times [2018-07-23 13:42:40,905 INFO L69 tionRefinementEngine]: Using refinement strategy FixedRefinementStrategy [2018-07-23 13:42:40,933 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-07-23 13:42:42,460 INFO L134 CoverageAnalysis]: Checked inductivity of 9312 backedges. 0 proven. 9312 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2018-07-23 13:42:42,460 INFO L309 seRefinementStrategy]: Constructing automaton from 0 perfect and 1 imperfect interpolant sequences. [2018-07-23 13:42:42,460 INFO L324 seRefinementStrategy]: Number of different interpolants: perfect sequences [] imperfect sequences [194] total 194 [2018-07-23 13:42:42,460 INFO L142 lantAutomatonBuilder]: Constructing canonical interpolant automaton, with selfloop in false state [2018-07-23 13:42:42,461 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 13:42:42,461 INFO L185 omatonBuilderFactory]: Interpolants [50441#true, 50442#false, 50443#(and (<= 0 ULTIMATE.start_main_~y~4) (<= ULTIMATE.start_main_~x~4 0) (<= 0 ULTIMATE.start_main_~x~4)), 50444#(and (<= ULTIMATE.start_main_~x~4 0) (<= 0 ULTIMATE.start_main_~x~4) (<= 1 ULTIMATE.start_main_~y~4)), 50445#(and (<= ULTIMATE.start_main_~x~4 1) (<= 1 ULTIMATE.start_main_~y~4) (<= 1 ULTIMATE.start_main_~x~4)), 50446#(and (<= 2 ULTIMATE.start_main_~y~4) (<= ULTIMATE.start_main_~x~4 1) (<= 1 ULTIMATE.start_main_~x~4)), 50447#(and (<= 2 ULTIMATE.start_main_~y~4) (<= 2 ULTIMATE.start_main_~x~4) (<= ULTIMATE.start_main_~x~4 2)), 50448#(and (<= 3 ULTIMATE.start_main_~y~4) (<= 2 ULTIMATE.start_main_~x~4) (<= ULTIMATE.start_main_~x~4 2)), 50449#(and (<= 3 ULTIMATE.start_main_~x~4) (<= 3 ULTIMATE.start_main_~y~4) (<= ULTIMATE.start_main_~x~4 3)), 50450#(and (<= 3 ULTIMATE.start_main_~x~4) (<= 4 ULTIMATE.start_main_~y~4) (<= ULTIMATE.start_main_~x~4 3)), 50451#(and (<= 4 ULTIMATE.start_main_~y~4) (<= ULTIMATE.start_main_~x~4 4) (<= 4 ULTIMATE.start_main_~x~4)), 50452#(and (<= 5 ULTIMATE.start_main_~y~4) (<= ULTIMATE.start_main_~x~4 4) (<= 4 ULTIMATE.start_main_~x~4)), 50453#(and (<= ULTIMATE.start_main_~x~4 5) (<= 5 ULTIMATE.start_main_~y~4) (<= 5 ULTIMATE.start_main_~x~4)), 50454#(and (<= ULTIMATE.start_main_~x~4 5) (<= 6 ULTIMATE.start_main_~y~4) (<= 5 ULTIMATE.start_main_~x~4)), 50455#(and (<= 6 ULTIMATE.start_main_~x~4) (<= 6 ULTIMATE.start_main_~y~4) (<= ULTIMATE.start_main_~x~4 6)), 50456#(and (<= 6 ULTIMATE.start_main_~x~4) (<= 7 ULTIMATE.start_main_~y~4) (<= ULTIMATE.start_main_~x~4 6)), 50457#(and (<= ULTIMATE.start_main_~x~4 7) (<= 7 ULTIMATE.start_main_~y~4) (<= 7 ULTIMATE.start_main_~x~4)), 50458#(and (<= ULTIMATE.start_main_~x~4 7) (<= 7 ULTIMATE.start_main_~x~4) (<= 8 ULTIMATE.start_main_~y~4)), 50459#(and (<= ULTIMATE.start_main_~x~4 8) (<= 8 ULTIMATE.start_main_~y~4) (<= 8 ULTIMATE.start_main_~x~4)), 50460#(and (<= ULTIMATE.start_main_~x~4 8) (<= 8 ULTIMATE.start_main_~x~4) (<= 9 ULTIMATE.start_main_~y~4)), 50461#(and (<= 9 ULTIMATE.start_main_~x~4) (<= ULTIMATE.start_main_~x~4 9) (<= 9 ULTIMATE.start_main_~y~4)), 50462#(and (<= 9 ULTIMATE.start_main_~x~4) (<= 10 ULTIMATE.start_main_~y~4) (<= ULTIMATE.start_main_~x~4 9)), 50463#(and (<= ULTIMATE.start_main_~x~4 10) (<= 10 ULTIMATE.start_main_~y~4) (<= 10 ULTIMATE.start_main_~x~4)), 50464#(and (<= ULTIMATE.start_main_~x~4 10) (<= 11 ULTIMATE.start_main_~y~4) (<= 10 ULTIMATE.start_main_~x~4)), 50465#(and (<= ULTIMATE.start_main_~x~4 11) (<= 11 ULTIMATE.start_main_~x~4) (<= 11 ULTIMATE.start_main_~y~4)), 50466#(and (<= ULTIMATE.start_main_~x~4 11) (<= 11 ULTIMATE.start_main_~x~4) (<= 12 ULTIMATE.start_main_~y~4)), 50467#(and (<= 12 ULTIMATE.start_main_~x~4) (<= 12 ULTIMATE.start_main_~y~4) (<= ULTIMATE.start_main_~x~4 12)), 50468#(and (<= 12 ULTIMATE.start_main_~x~4) (<= 13 ULTIMATE.start_main_~y~4) (<= ULTIMATE.start_main_~x~4 12)), 50469#(and (<= 13 ULTIMATE.start_main_~y~4) (<= ULTIMATE.start_main_~x~4 13) (<= 13 ULTIMATE.start_main_~x~4)), 50470#(and (<= 14 ULTIMATE.start_main_~y~4) (<= ULTIMATE.start_main_~x~4 13) (<= 13 ULTIMATE.start_main_~x~4)), 50471#(and (<= 14 ULTIMATE.start_main_~y~4) (<= 14 ULTIMATE.start_main_~x~4) (<= ULTIMATE.start_main_~x~4 14)), 50472#(and (<= 14 ULTIMATE.start_main_~x~4) (<= ULTIMATE.start_main_~x~4 14) (<= 15 ULTIMATE.start_main_~y~4)), 50473#(and (<= 15 ULTIMATE.start_main_~x~4) (<= 15 ULTIMATE.start_main_~y~4) (<= ULTIMATE.start_main_~x~4 15)), 50474#(and (<= 15 ULTIMATE.start_main_~x~4) (<= 16 ULTIMATE.start_main_~y~4) (<= ULTIMATE.start_main_~x~4 15)), 50475#(and (<= ULTIMATE.start_main_~x~4 16) (<= 16 ULTIMATE.start_main_~x~4) (<= 16 ULTIMATE.start_main_~y~4)), 50476#(and (<= ULTIMATE.start_main_~x~4 16) (<= 16 ULTIMATE.start_main_~x~4) (<= 17 ULTIMATE.start_main_~y~4)), 50477#(and (<= ULTIMATE.start_main_~x~4 17) (<= 17 ULTIMATE.start_main_~y~4) (<= 17 ULTIMATE.start_main_~x~4)), 50478#(and (<= 18 ULTIMATE.start_main_~y~4) (<= ULTIMATE.start_main_~x~4 17) (<= 17 ULTIMATE.start_main_~x~4)), 50479#(and (<= 18 ULTIMATE.start_main_~y~4) (<= 18 ULTIMATE.start_main_~x~4) (<= ULTIMATE.start_main_~x~4 18)), 50480#(and (<= 18 ULTIMATE.start_main_~x~4) (<= ULTIMATE.start_main_~x~4 18) (<= 19 ULTIMATE.start_main_~y~4)), 50481#(and (<= 19 ULTIMATE.start_main_~y~4) (<= 19 ULTIMATE.start_main_~x~4) (<= ULTIMATE.start_main_~x~4 19)), 50482#(and (<= 20 ULTIMATE.start_main_~y~4) (<= 19 ULTIMATE.start_main_~x~4) (<= ULTIMATE.start_main_~x~4 19)), 50483#(and (<= 20 ULTIMATE.start_main_~x~4) (<= 20 ULTIMATE.start_main_~y~4) (<= ULTIMATE.start_main_~x~4 20)), 50484#(and (<= 20 ULTIMATE.start_main_~x~4) (<= 21 ULTIMATE.start_main_~y~4) (<= ULTIMATE.start_main_~x~4 20)), 50485#(and (<= ULTIMATE.start_main_~x~4 21) (<= 21 ULTIMATE.start_main_~y~4) (<= 21 ULTIMATE.start_main_~x~4)), 50486#(and (<= ULTIMATE.start_main_~x~4 21) (<= 21 ULTIMATE.start_main_~x~4) (<= 22 ULTIMATE.start_main_~y~4)), 50487#(and (<= ULTIMATE.start_main_~x~4 22) (<= 22 ULTIMATE.start_main_~x~4) (<= 22 ULTIMATE.start_main_~y~4)), 50488#(and (<= 23 ULTIMATE.start_main_~y~4) (<= ULTIMATE.start_main_~x~4 22) (<= 22 ULTIMATE.start_main_~x~4)), 50489#(and (<= ULTIMATE.start_main_~x~4 23) (<= 23 ULTIMATE.start_main_~x~4) (<= 23 ULTIMATE.start_main_~y~4)), 50490#(and (<= ULTIMATE.start_main_~x~4 23) (<= 23 ULTIMATE.start_main_~x~4) (<= 24 ULTIMATE.start_main_~y~4)), 50491#(and (<= 24 ULTIMATE.start_main_~y~4) (<= ULTIMATE.start_main_~x~4 24) (<= 24 ULTIMATE.start_main_~x~4)), 50492#(and (<= 25 ULTIMATE.start_main_~y~4) (<= ULTIMATE.start_main_~x~4 24) (<= 24 ULTIMATE.start_main_~x~4)), 50493#(and (<= 25 ULTIMATE.start_main_~y~4) (<= ULTIMATE.start_main_~x~4 25) (<= 25 ULTIMATE.start_main_~x~4)), 50494#(and (<= ULTIMATE.start_main_~x~4 25) (<= 26 ULTIMATE.start_main_~y~4) (<= 25 ULTIMATE.start_main_~x~4)), 50495#(and (<= ULTIMATE.start_main_~x~4 26) (<= 26 ULTIMATE.start_main_~y~4) (<= 26 ULTIMATE.start_main_~x~4)), 50496#(and (<= ULTIMATE.start_main_~x~4 26) (<= 27 ULTIMATE.start_main_~y~4) (<= 26 ULTIMATE.start_main_~x~4)), 50497#(and (<= ULTIMATE.start_main_~x~4 27) (<= 27 ULTIMATE.start_main_~y~4) (<= 27 ULTIMATE.start_main_~x~4)), 50498#(and (<= ULTIMATE.start_main_~x~4 27) (<= 27 ULTIMATE.start_main_~x~4) (<= 28 ULTIMATE.start_main_~y~4)), 50499#(and (<= ULTIMATE.start_main_~x~4 28) (<= 28 ULTIMATE.start_main_~y~4) (<= 28 ULTIMATE.start_main_~x~4)), 50500#(and (<= ULTIMATE.start_main_~x~4 28) (<= 29 ULTIMATE.start_main_~y~4) (<= 28 ULTIMATE.start_main_~x~4)), 50501#(and (<= 29 ULTIMATE.start_main_~x~4) (<= 29 ULTIMATE.start_main_~y~4) (<= ULTIMATE.start_main_~x~4 29)), 50502#(and (<= 29 ULTIMATE.start_main_~x~4) (<= 30 ULTIMATE.start_main_~y~4) (<= ULTIMATE.start_main_~x~4 29)), 50503#(and (<= ULTIMATE.start_main_~x~4 30) (<= 30 ULTIMATE.start_main_~y~4) (<= 30 ULTIMATE.start_main_~x~4)), 50504#(and (<= ULTIMATE.start_main_~x~4 30) (<= 31 ULTIMATE.start_main_~y~4) (<= 30 ULTIMATE.start_main_~x~4)), 50505#(and (<= ULTIMATE.start_main_~x~4 31) (<= 31 ULTIMATE.start_main_~y~4) (<= 31 ULTIMATE.start_main_~x~4)), 50506#(and (<= ULTIMATE.start_main_~x~4 31) (<= 32 ULTIMATE.start_main_~y~4) (<= 31 ULTIMATE.start_main_~x~4)), 50507#(and (<= ULTIMATE.start_main_~x~4 32) (<= 32 ULTIMATE.start_main_~y~4) (<= 32 ULTIMATE.start_main_~x~4)), 50508#(and (<= ULTIMATE.start_main_~x~4 32) (<= 33 ULTIMATE.start_main_~y~4) (<= 32 ULTIMATE.start_main_~x~4)), 50509#(and (<= ULTIMATE.start_main_~x~4 33) (<= 33 ULTIMATE.start_main_~y~4) (<= 33 ULTIMATE.start_main_~x~4)), 50510#(and (<= ULTIMATE.start_main_~x~4 33) (<= 33 ULTIMATE.start_main_~x~4) (<= 34 ULTIMATE.start_main_~y~4)), 50511#(and (<= 34 ULTIMATE.start_main_~x~4) (<= ULTIMATE.start_main_~x~4 34) (<= 34 ULTIMATE.start_main_~y~4)), 50512#(and (<= 34 ULTIMATE.start_main_~x~4) (<= ULTIMATE.start_main_~x~4 34) (<= 35 ULTIMATE.start_main_~y~4)), 50513#(and (<= ULTIMATE.start_main_~x~4 35) (<= 35 ULTIMATE.start_main_~y~4) (<= 35 ULTIMATE.start_main_~x~4)), 50514#(and (<= ULTIMATE.start_main_~x~4 35) (<= 35 ULTIMATE.start_main_~x~4) (<= 36 ULTIMATE.start_main_~y~4)), 50515#(and (<= 36 ULTIMATE.start_main_~x~4) (<= ULTIMATE.start_main_~x~4 36) (<= 36 ULTIMATE.start_main_~y~4)), 50516#(and (<= 36 ULTIMATE.start_main_~x~4) (<= 37 ULTIMATE.start_main_~y~4) (<= ULTIMATE.start_main_~x~4 36)), 50517#(and (<= 37 ULTIMATE.start_main_~y~4) (<= ULTIMATE.start_main_~x~4 37) (<= 37 ULTIMATE.start_main_~x~4)), 50518#(and (<= ULTIMATE.start_main_~x~4 37) (<= 38 ULTIMATE.start_main_~y~4) (<= 37 ULTIMATE.start_main_~x~4)), 50519#(and (<= 38 ULTIMATE.start_main_~x~4) (<= ULTIMATE.start_main_~x~4 38) (<= 38 ULTIMATE.start_main_~y~4)), 50520#(and (<= 38 ULTIMATE.start_main_~x~4) (<= 39 ULTIMATE.start_main_~y~4) (<= ULTIMATE.start_main_~x~4 38)), 50521#(and (<= 39 ULTIMATE.start_main_~y~4) (<= ULTIMATE.start_main_~x~4 39) (<= 39 ULTIMATE.start_main_~x~4)), 50522#(and (<= ULTIMATE.start_main_~x~4 39) (<= 39 ULTIMATE.start_main_~x~4) (<= 40 ULTIMATE.start_main_~y~4)), 50523#(and (<= ULTIMATE.start_main_~x~4 40) (<= 40 ULTIMATE.start_main_~x~4) (<= 40 ULTIMATE.start_main_~y~4)), 50524#(and (<= ULTIMATE.start_main_~x~4 40) (<= 40 ULTIMATE.start_main_~x~4) (<= 41 ULTIMATE.start_main_~y~4)), 50525#(and (<= ULTIMATE.start_main_~x~4 41) (<= 41 ULTIMATE.start_main_~x~4) (<= 41 ULTIMATE.start_main_~y~4)), 50526#(and (<= ULTIMATE.start_main_~x~4 41) (<= 41 ULTIMATE.start_main_~x~4) (<= 42 ULTIMATE.start_main_~y~4)), 50527#(and (<= 42 ULTIMATE.start_main_~y~4) (<= ULTIMATE.start_main_~x~4 42) (<= 42 ULTIMATE.start_main_~x~4)), 50528#(and (<= 43 ULTIMATE.start_main_~y~4) (<= ULTIMATE.start_main_~x~4 42) (<= 42 ULTIMATE.start_main_~x~4)), 50529#(and (<= 43 ULTIMATE.start_main_~y~4) (<= ULTIMATE.start_main_~x~4 43) (<= 43 ULTIMATE.start_main_~x~4)), 50530#(and (<= ULTIMATE.start_main_~x~4 43) (<= 44 ULTIMATE.start_main_~y~4) (<= 43 ULTIMATE.start_main_~x~4)), 50531#(and (<= 44 ULTIMATE.start_main_~x~4) (<= ULTIMATE.start_main_~x~4 44) (<= 44 ULTIMATE.start_main_~y~4)), 50532#(and (<= 44 ULTIMATE.start_main_~x~4) (<= ULTIMATE.start_main_~x~4 44) (<= 45 ULTIMATE.start_main_~y~4)), 50533#(and (<= 45 ULTIMATE.start_main_~y~4) (<= 45 ULTIMATE.start_main_~x~4) (<= ULTIMATE.start_main_~x~4 45)), 50534#(and (<= 46 ULTIMATE.start_main_~y~4) (<= 45 ULTIMATE.start_main_~x~4) (<= ULTIMATE.start_main_~x~4 45)), 50535#(and (<= ULTIMATE.start_main_~x~4 46) (<= 46 ULTIMATE.start_main_~x~4) (<= 46 ULTIMATE.start_main_~y~4)), 50536#(and (<= ULTIMATE.start_main_~x~4 46) (<= 47 ULTIMATE.start_main_~y~4) (<= 46 ULTIMATE.start_main_~x~4)), 50537#(and (<= 47 ULTIMATE.start_main_~y~4) (<= 47 ULTIMATE.start_main_~x~4) (<= ULTIMATE.start_main_~x~4 47)), 50538#(and (<= 48 ULTIMATE.start_main_~y~4) (<= 47 ULTIMATE.start_main_~x~4) (<= ULTIMATE.start_main_~x~4 47)), 50539#(and (<= 48 ULTIMATE.start_main_~x~4) (<= 48 ULTIMATE.start_main_~y~4) (<= ULTIMATE.start_main_~x~4 48)), 50540#(and (<= 48 ULTIMATE.start_main_~x~4) (<= 49 ULTIMATE.start_main_~y~4) (<= ULTIMATE.start_main_~x~4 48)), 50541#(and (<= 49 ULTIMATE.start_main_~x~4) (<= 49 ULTIMATE.start_main_~y~4) (<= ULTIMATE.start_main_~x~4 49)), 50542#(and (<= 49 ULTIMATE.start_main_~x~4) (<= 50 ULTIMATE.start_main_~y~4)), 50543#(and (<= 50 ULTIMATE.start_main_~x~4) (<= 50 ULTIMATE.start_main_~y~4)), 50544#(and (<= 50 ULTIMATE.start_main_~x~4) (<= 49 ULTIMATE.start_main_~y~4)), 50545#(and (<= 51 ULTIMATE.start_main_~x~4) (<= 49 ULTIMATE.start_main_~y~4)), 50546#(and (<= 51 ULTIMATE.start_main_~x~4) (<= 48 ULTIMATE.start_main_~y~4)), 50547#(and (<= 52 ULTIMATE.start_main_~x~4) (<= 48 ULTIMATE.start_main_~y~4)), 50548#(and (<= 52 ULTIMATE.start_main_~x~4) (<= 47 ULTIMATE.start_main_~y~4)), 50549#(and (<= 47 ULTIMATE.start_main_~y~4) (<= 53 ULTIMATE.start_main_~x~4)), 50550#(and (<= 53 ULTIMATE.start_main_~x~4) (<= 46 ULTIMATE.start_main_~y~4)), 50551#(and (<= 54 ULTIMATE.start_main_~x~4) (<= 46 ULTIMATE.start_main_~y~4)), 50552#(and (<= 45 ULTIMATE.start_main_~y~4) (<= 54 ULTIMATE.start_main_~x~4)), 50553#(and (<= 45 ULTIMATE.start_main_~y~4) (<= 55 ULTIMATE.start_main_~x~4)), 50554#(and (<= 55 ULTIMATE.start_main_~x~4) (<= 44 ULTIMATE.start_main_~y~4)), 50555#(and (<= 56 ULTIMATE.start_main_~x~4) (<= 44 ULTIMATE.start_main_~y~4)), 50556#(and (<= 56 ULTIMATE.start_main_~x~4) (<= 43 ULTIMATE.start_main_~y~4)), 50557#(and (<= 43 ULTIMATE.start_main_~y~4) (<= 57 ULTIMATE.start_main_~x~4)), 50558#(and (<= 42 ULTIMATE.start_main_~y~4) (<= 57 ULTIMATE.start_main_~x~4)), 50559#(and (<= 58 ULTIMATE.start_main_~x~4) (<= 42 ULTIMATE.start_main_~y~4)), 50560#(and (<= 58 ULTIMATE.start_main_~x~4) (<= 41 ULTIMATE.start_main_~y~4)), 50561#(and (<= 41 ULTIMATE.start_main_~y~4) (<= 59 ULTIMATE.start_main_~x~4)), 50562#(and (<= 40 ULTIMATE.start_main_~y~4) (<= 59 ULTIMATE.start_main_~x~4)), 50563#(and (<= 60 ULTIMATE.start_main_~x~4) (<= 40 ULTIMATE.start_main_~y~4)), 50564#(and (<= 39 ULTIMATE.start_main_~y~4) (<= 60 ULTIMATE.start_main_~x~4)), 50565#(and (<= 61 ULTIMATE.start_main_~x~4) (<= 39 ULTIMATE.start_main_~y~4)), 50566#(and (<= 61 ULTIMATE.start_main_~x~4) (<= 38 ULTIMATE.start_main_~y~4)), 50567#(and (<= 38 ULTIMATE.start_main_~y~4) (<= 62 ULTIMATE.start_main_~x~4)), 50568#(and (<= 37 ULTIMATE.start_main_~y~4) (<= 62 ULTIMATE.start_main_~x~4)), 50569#(and (<= 63 ULTIMATE.start_main_~x~4) (<= 37 ULTIMATE.start_main_~y~4)), 50570#(and (<= 63 ULTIMATE.start_main_~x~4) (<= 36 ULTIMATE.start_main_~y~4)), 50571#(and (<= 64 ULTIMATE.start_main_~x~4) (<= 36 ULTIMATE.start_main_~y~4)), 50572#(and (<= 35 ULTIMATE.start_main_~y~4) (<= 64 ULTIMATE.start_main_~x~4)), 50573#(and (<= 35 ULTIMATE.start_main_~y~4) (<= 65 ULTIMATE.start_main_~x~4)), 50574#(and (<= 34 ULTIMATE.start_main_~y~4) (<= 65 ULTIMATE.start_main_~x~4)), 50575#(and (<= 66 ULTIMATE.start_main_~x~4) (<= 34 ULTIMATE.start_main_~y~4)), 50576#(and (<= 66 ULTIMATE.start_main_~x~4) (<= 33 ULTIMATE.start_main_~y~4)), 50577#(and (<= 67 ULTIMATE.start_main_~x~4) (<= 33 ULTIMATE.start_main_~y~4)), 50578#(and (<= 67 ULTIMATE.start_main_~x~4) (<= 32 ULTIMATE.start_main_~y~4)), 50579#(and (<= 32 ULTIMATE.start_main_~y~4) (<= 68 ULTIMATE.start_main_~x~4)), 50580#(and (<= 31 ULTIMATE.start_main_~y~4) (<= 68 ULTIMATE.start_main_~x~4)), 50581#(and (<= 31 ULTIMATE.start_main_~y~4) (<= 69 ULTIMATE.start_main_~x~4)), 50582#(and (<= 30 ULTIMATE.start_main_~y~4) (<= 69 ULTIMATE.start_main_~x~4)), 50583#(and (<= 70 ULTIMATE.start_main_~x~4) (<= 30 ULTIMATE.start_main_~y~4)), 50584#(and (<= 70 ULTIMATE.start_main_~x~4) (<= 29 ULTIMATE.start_main_~y~4)), 50585#(and (<= 71 ULTIMATE.start_main_~x~4) (<= 29 ULTIMATE.start_main_~y~4)), 50586#(and (<= 71 ULTIMATE.start_main_~x~4) (<= 28 ULTIMATE.start_main_~y~4)), 50587#(and (<= 72 ULTIMATE.start_main_~x~4) (<= 28 ULTIMATE.start_main_~y~4)), 50588#(and (<= 72 ULTIMATE.start_main_~x~4) (<= 27 ULTIMATE.start_main_~y~4)), 50589#(and (<= 27 ULTIMATE.start_main_~y~4) (<= 73 ULTIMATE.start_main_~x~4)), 50590#(and (<= 73 ULTIMATE.start_main_~x~4) (<= 26 ULTIMATE.start_main_~y~4)), 50591#(and (<= 74 ULTIMATE.start_main_~x~4) (<= 26 ULTIMATE.start_main_~y~4)), 50592#(and (<= 74 ULTIMATE.start_main_~x~4) (<= 25 ULTIMATE.start_main_~y~4)), 50593#(and (<= 75 ULTIMATE.start_main_~x~4) (<= 25 ULTIMATE.start_main_~y~4)), 50594#(and (<= 24 ULTIMATE.start_main_~y~4) (<= 75 ULTIMATE.start_main_~x~4)), 50595#(and (<= 24 ULTIMATE.start_main_~y~4) (<= 76 ULTIMATE.start_main_~x~4)), 50596#(and (<= 23 ULTIMATE.start_main_~y~4) (<= 76 ULTIMATE.start_main_~x~4)), 50597#(and (<= 77 ULTIMATE.start_main_~x~4) (<= 23 ULTIMATE.start_main_~y~4)), 50598#(and (<= 77 ULTIMATE.start_main_~x~4) (<= 22 ULTIMATE.start_main_~y~4)), 50599#(and (<= 78 ULTIMATE.start_main_~x~4) (<= 22 ULTIMATE.start_main_~y~4)), 50600#(and (<= 21 ULTIMATE.start_main_~y~4) (<= 78 ULTIMATE.start_main_~x~4)), 50601#(and (<= 79 ULTIMATE.start_main_~x~4) (<= 21 ULTIMATE.start_main_~y~4)), 50602#(and (<= 79 ULTIMATE.start_main_~x~4) (<= 20 ULTIMATE.start_main_~y~4)), 50603#(and (<= 20 ULTIMATE.start_main_~y~4) (<= 80 ULTIMATE.start_main_~x~4)), 50604#(and (<= 19 ULTIMATE.start_main_~y~4) (<= 80 ULTIMATE.start_main_~x~4)), 50605#(and (<= 19 ULTIMATE.start_main_~y~4) (<= 81 ULTIMATE.start_main_~x~4)), 50606#(and (<= 18 ULTIMATE.start_main_~y~4) (<= 81 ULTIMATE.start_main_~x~4)), 50607#(and (<= 18 ULTIMATE.start_main_~y~4) (<= 82 ULTIMATE.start_main_~x~4)), 50608#(and (<= 82 ULTIMATE.start_main_~x~4) (<= 17 ULTIMATE.start_main_~y~4)), 50609#(and (<= 83 ULTIMATE.start_main_~x~4) (<= 17 ULTIMATE.start_main_~y~4)), 50610#(and (<= 83 ULTIMATE.start_main_~x~4) (<= 16 ULTIMATE.start_main_~y~4)), 50611#(and (<= 16 ULTIMATE.start_main_~y~4) (<= 84 ULTIMATE.start_main_~x~4)), 50612#(and (<= 84 ULTIMATE.start_main_~x~4) (<= 15 ULTIMATE.start_main_~y~4)), 50613#(and (<= 85 ULTIMATE.start_main_~x~4) (<= 15 ULTIMATE.start_main_~y~4)), 50614#(and (<= 14 ULTIMATE.start_main_~y~4) (<= 85 ULTIMATE.start_main_~x~4)), 50615#(and (<= 14 ULTIMATE.start_main_~y~4) (<= 86 ULTIMATE.start_main_~x~4)), 50616#(and (<= 13 ULTIMATE.start_main_~y~4) (<= 86 ULTIMATE.start_main_~x~4)), 50617#(and (<= 13 ULTIMATE.start_main_~y~4) (<= 87 ULTIMATE.start_main_~x~4)), 50618#(and (<= 12 ULTIMATE.start_main_~y~4) (<= 87 ULTIMATE.start_main_~x~4)), 50619#(and (<= 12 ULTIMATE.start_main_~y~4) (<= 88 ULTIMATE.start_main_~x~4)), 50620#(and (<= 88 ULTIMATE.start_main_~x~4) (<= 11 ULTIMATE.start_main_~y~4)), 50621#(and (<= 89 ULTIMATE.start_main_~x~4) (<= 11 ULTIMATE.start_main_~y~4)), 50622#(and (<= 89 ULTIMATE.start_main_~x~4) (<= 10 ULTIMATE.start_main_~y~4)), 50623#(and (<= 90 ULTIMATE.start_main_~x~4) (<= 10 ULTIMATE.start_main_~y~4)), 50624#(and (<= 90 ULTIMATE.start_main_~x~4) (<= 9 ULTIMATE.start_main_~y~4)), 50625#(and (<= 91 ULTIMATE.start_main_~x~4) (<= 9 ULTIMATE.start_main_~y~4)), 50626#(and (<= 91 ULTIMATE.start_main_~x~4) (<= 8 ULTIMATE.start_main_~y~4)), 50627#(and (<= 8 ULTIMATE.start_main_~y~4) (<= 92 ULTIMATE.start_main_~x~4)), 50628#(and (<= 7 ULTIMATE.start_main_~y~4) (<= 92 ULTIMATE.start_main_~x~4)), 50629#(and (<= 7 ULTIMATE.start_main_~y~4) (<= 93 ULTIMATE.start_main_~x~4)), 50630#(and (<= 6 ULTIMATE.start_main_~y~4) (<= 93 ULTIMATE.start_main_~x~4)), 50631#(and (<= 6 ULTIMATE.start_main_~y~4) (<= 94 ULTIMATE.start_main_~x~4)), 50632#(and (<= 5 ULTIMATE.start_main_~y~4) (<= 94 ULTIMATE.start_main_~x~4)), 50633#(and (<= 5 ULTIMATE.start_main_~y~4) (<= 95 ULTIMATE.start_main_~x~4)), 50634#(<= 4 ULTIMATE.start_main_~y~4), 50635#(<= 1 ULTIMATE.start_main_~y~4)] [2018-07-23 13:42:42,462 INFO L134 CoverageAnalysis]: Checked inductivity of 9312 backedges. 0 proven. 9312 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2018-07-23 13:42:42,462 INFO L450 AbstractCegarLoop]: Interpolant automaton has 195 states [2018-07-23 13:42:42,462 INFO L132 InterpolantAutomaton]: Constructing interpolant automaton starting with 195 interpolants. [2018-07-23 13:42:42,464 INFO L133 InterpolantAutomaton]: CoverageRelationStatistics Valid=902, Invalid=36928, Unknown=0, NotChecked=0, Total=37830 [2018-07-23 13:42:42,464 INFO L87 Difference]: Start difference. First operand 197 states and 197 transitions. Second operand 195 states. [2018-07-23 13:42:43,851 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2018-07-23 13:42:43,851 INFO L93 Difference]: Finished difference Result 202 states and 202 transitions. [2018-07-23 13:42:43,851 INFO L142 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 195 states. [2018-07-23 13:42:43,851 INFO L78 Accepts]: Start accepts. Automaton has 195 states. Word has length 196 [2018-07-23 13:42:43,852 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2018-07-23 13:42:43,852 INFO L225 Difference]: With dead ends: 202 [2018-07-23 13:42:43,853 INFO L226 Difference]: Without dead ends: 200 [2018-07-23 13:42:43,854 INFO L575 BasicCegarLoop]: 0 DeclaredPredicates, 196 GetRequests, 1 SyntacticMatches, 1 SemanticMatches, 194 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 11659 ImplicationChecksByTransitivity, 1.2s TimeCoverageRelationStatistics Valid=908, Invalid=37312, Unknown=0, NotChecked=0, Total=38220 [2018-07-23 13:42:43,854 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 200 states. [2018-07-23 13:42:43,887 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 200 to 199. [2018-07-23 13:42:43,887 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 199 states. [2018-07-23 13:42:43,887 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 199 states to 199 states and 199 transitions. [2018-07-23 13:42:43,887 INFO L78 Accepts]: Start accepts. Automaton has 199 states and 199 transitions. Word has length 196 [2018-07-23 13:42:43,888 INFO L84 Accepts]: Finished accepts. word is rejected. [2018-07-23 13:42:43,888 INFO L471 AbstractCegarLoop]: Abstraction has 199 states and 199 transitions. [2018-07-23 13:42:43,888 INFO L472 AbstractCegarLoop]: Interpolant automaton has 195 states. [2018-07-23 13:42:43,888 INFO L276 IsEmpty]: Start isEmpty. Operand 199 states and 199 transitions. [2018-07-23 13:42:43,888 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 199 [2018-07-23 13:42:43,888 INFO L349 BasicCegarLoop]: Found error trace [2018-07-23 13:42:43,889 INFO L357 BasicCegarLoop]: trace histogram [98, 97, 1, 1, 1] [2018-07-23 13:42:43,889 INFO L414 AbstractCegarLoop]: === Iteration 98 === [ULTIMATE.startErr0AssertViolationASSERT]=== [2018-07-23 13:42:43,889 INFO L82 PathProgramCache]: Analyzing trace with hash -1076227682, now seen corresponding path program 97 times [2018-07-23 13:42:43,889 INFO L69 tionRefinementEngine]: Using refinement strategy FixedRefinementStrategy [2018-07-23 13:42:43,918 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-07-23 13:42:45,444 INFO L134 CoverageAnalysis]: Checked inductivity of 9506 backedges. 0 proven. 9506 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2018-07-23 13:42:45,445 INFO L309 seRefinementStrategy]: Constructing automaton from 0 perfect and 1 imperfect interpolant sequences. [2018-07-23 13:42:45,445 INFO L324 seRefinementStrategy]: Number of different interpolants: perfect sequences [] imperfect sequences [196] total 196 [2018-07-23 13:42:45,445 INFO L142 lantAutomatonBuilder]: Constructing canonical interpolant automaton, with selfloop in false state [2018-07-23 13:42:45,445 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2018-07-23 13:42:45,446 INFO L185 omatonBuilderFactory]: Interpolants [51440#true, 51441#false, 51442#(and (<= 0 ULTIMATE.start_main_~y~4) (<= ULTIMATE.start_main_~x~4 0) (<= 0 ULTIMATE.start_main_~x~4)), 51443#(and (<= ULTIMATE.start_main_~x~4 0) (<= 0 ULTIMATE.start_main_~x~4) (<= 1 ULTIMATE.start_main_~y~4)), 51444#(and (<= ULTIMATE.start_main_~x~4 1) (<= 1 ULTIMATE.start_main_~y~4) (<= 1 ULTIMATE.start_main_~x~4)), 51445#(and (<= 2 ULTIMATE.start_main_~y~4) (<= ULTIMATE.start_main_~x~4 1) (<= 1 ULTIMATE.start_main_~x~4)), 51446#(and (<= 2 ULTIMATE.start_main_~y~4) (<= 2 ULTIMATE.start_main_~x~4) (<= ULTIMATE.start_main_~x~4 2)), 51447#(and (<= 3 ULTIMATE.start_main_~y~4) (<= 2 ULTIMATE.start_main_~x~4) (<= ULTIMATE.start_main_~x~4 2)), 51448#(and (<= 3 ULTIMATE.start_main_~x~4) (<= 3 ULTIMATE.start_main_~y~4) (<= ULTIMATE.start_main_~x~4 3)), 51449#(and (<= 3 ULTIMATE.start_main_~x~4) (<= 4 ULTIMATE.start_main_~y~4) (<= ULTIMATE.start_main_~x~4 3)), 51450#(and (<= 4 ULTIMATE.start_main_~y~4) (<= ULTIMATE.start_main_~x~4 4) (<= 4 ULTIMATE.start_main_~x~4)), 51451#(and (<= 5 ULTIMATE.start_main_~y~4) (<= ULTIMATE.start_main_~x~4 4) (<= 4 ULTIMATE.start_main_~x~4)), 51452#(and (<= ULTIMATE.start_main_~x~4 5) (<= 5 ULTIMATE.start_main_~y~4) (<= 5 ULTIMATE.start_main_~x~4)), 51453#(and (<= ULTIMATE.start_main_~x~4 5) (<= 6 ULTIMATE.start_main_~y~4) (<= 5 ULTIMATE.start_main_~x~4)), 51454#(and (<= 6 ULTIMATE.start_main_~x~4) (<= 6 ULTIMATE.start_main_~y~4) (<= ULTIMATE.start_main_~x~4 6)), 51455#(and (<= 6 ULTIMATE.start_main_~x~4) (<= 7 ULTIMATE.start_main_~y~4) (<= ULTIMATE.start_main_~x~4 6)), 51456#(and (<= ULTIMATE.start_main_~x~4 7) (<= 7 ULTIMATE.start_main_~y~4) (<= 7 ULTIMATE.start_main_~x~4)), 51457#(and (<= ULTIMATE.start_main_~x~4 7) (<= 7 ULTIMATE.start_main_~x~4) (<= 8 ULTIMATE.start_main_~y~4)), 51458#(and (<= ULTIMATE.start_main_~x~4 8) (<= 8 ULTIMATE.start_main_~y~4) (<= 8 ULTIMATE.start_main_~x~4)), 51459#(and (<= ULTIMATE.start_main_~x~4 8) (<= 8 ULTIMATE.start_main_~x~4) (<= 9 ULTIMATE.start_main_~y~4)), 51460#(and (<= 9 ULTIMATE.start_main_~x~4) (<= ULTIMATE.start_main_~x~4 9) (<= 9 ULTIMATE.start_main_~y~4)), 51461#(and (<= 9 ULTIMATE.start_main_~x~4) (<= 10 ULTIMATE.start_main_~y~4) (<= ULTIMATE.start_main_~x~4 9)), 51462#(and (<= ULTIMATE.start_main_~x~4 10) (<= 10 ULTIMATE.start_main_~y~4) (<= 10 ULTIMATE.start_main_~x~4)), 51463#(and (<= ULTIMATE.start_main_~x~4 10) (<= 11 ULTIMATE.start_main_~y~4) (<= 10 ULTIMATE.start_main_~x~4)), 51464#(and (<= ULTIMATE.start_main_~x~4 11) (<= 11 ULTIMATE.start_main_~x~4) (<= 11 ULTIMATE.start_main_~y~4)), 51465#(and (<= ULTIMATE.start_main_~x~4 11) (<= 11 ULTIMATE.start_main_~x~4) (<= 12 ULTIMATE.start_main_~y~4)), 51466#(and (<= 12 ULTIMATE.start_main_~x~4) (<= 12 ULTIMATE.start_main_~y~4) (<= ULTIMATE.start_main_~x~4 12)), 51467#(and (<= 12 ULTIMATE.start_main_~x~4) (<= 13 ULTIMATE.start_main_~y~4) (<= ULTIMATE.start_main_~x~4 12)), 51468#(and (<= 13 ULTIMATE.start_main_~y~4) (<= ULTIMATE.start_main_~x~4 13) (<= 13 ULTIMATE.start_main_~x~4)), 51469#(and (<= 14 ULTIMATE.start_main_~y~4) (<= ULTIMATE.start_main_~x~4 13) (<= 13 ULTIMATE.start_main_~x~4)), 51470#(and (<= 14 ULTIMATE.start_main_~y~4) (<= 14 ULTIMATE.start_main_~x~4) (<= ULTIMATE.start_main_~x~4 14)), 51471#(and (<= 14 ULTIMATE.start_main_~x~4) (<= ULTIMATE.start_main_~x~4 14) (<= 15 ULTIMATE.start_main_~y~4)), 51472#(and (<= 15 ULTIMATE.start_main_~x~4) (<= 15 ULTIMATE.start_main_~y~4) (<= ULTIMATE.start_main_~x~4 15)), 51473#(and (<= 15 ULTIMATE.start_main_~x~4) (<= 16 ULTIMATE.start_main_~y~4) (<= ULTIMATE.start_main_~x~4 15)), 51474#(and (<= ULTIMATE.start_main_~x~4 16) (<= 16 ULTIMATE.start_main_~x~4) (<= 16 ULTIMATE.start_main_~y~4)), 51475#(and (<= ULTIMATE.start_main_~x~4 16) (<= 16 ULTIMATE.start_main_~x~4) (<= 17 ULTIMATE.start_main_~y~4)), 51476#(and (<= ULTIMATE.start_main_~x~4 17) (<= 17 ULTIMATE.start_main_~y~4) (<= 17 ULTIMATE.start_main_~x~4)), 51477#(and (<= 18 ULTIMATE.start_main_~y~4) (<= ULTIMATE.start_main_~x~4 17) (<= 17 ULTIMATE.start_main_~x~4)), 51478#(and (<= 18 ULTIMATE.start_main_~y~4) (<= 18 ULTIMATE.start_main_~x~4) (<= ULTIMATE.start_main_~x~4 18)), 51479#(and (<= 18 ULTIMATE.start_main_~x~4) (<= ULTIMATE.start_main_~x~4 18) (<= 19 ULTIMATE.start_main_~y~4)), 51480#(and (<= 19 ULTIMATE.start_main_~y~4) (<= 19 ULTIMATE.start_main_~x~4) (<= ULTIMATE.start_main_~x~4 19)), 51481#(and (<= 20 ULTIMATE.start_main_~y~4) (<= 19 ULTIMATE.start_main_~x~4) (<= ULTIMATE.start_main_~x~4 19)), 51482#(and (<= 20 ULTIMATE.start_main_~x~4) (<= 20 ULTIMATE.start_main_~y~4) (<= ULTIMATE.start_main_~x~4 20)), 51483#(and (<= 20 ULTIMATE.start_main_~x~4) (<= 21 ULTIMATE.start_main_~y~4) (<= ULTIMATE.start_main_~x~4 20)), 51484#(and (<= ULTIMATE.start_main_~x~4 21) (<= 21 ULTIMATE.start_main_~y~4) (<= 21 ULTIMATE.start_main_~x~4)), 51485#(and (<= ULTIMATE.start_main_~x~4 21) (<= 21 ULTIMATE.start_main_~x~4) (<= 22 ULTIMATE.start_main_~y~4)), 51486#(and (<= ULTIMATE.start_main_~x~4 22) (<= 22 ULTIMATE.start_main_~x~4) (<= 22 ULTIMATE.start_main_~y~4)), 51487#(and (<= 23 ULTIMATE.start_main_~y~4) (<= ULTIMATE.start_main_~x~4 22) (<= 22 ULTIMATE.start_main_~x~4)), 51488#(and (<= ULTIMATE.start_main_~x~4 23) (<= 23 ULTIMATE.start_main_~x~4) (<= 23 ULTIMATE.start_main_~y~4)), 51489#(and (<= ULTIMATE.start_main_~x~4 23) (<= 23 ULTIMATE.start_main_~x~4) (<= 24 ULTIMATE.start_main_~y~4)), 51490#(and (<= 24 ULTIMATE.start_main_~y~4) (<= ULTIMATE.start_main_~x~4 24) (<= 24 ULTIMATE.start_main_~x~4)), 51491#(and (<= 25 ULTIMATE.start_main_~y~4) (<= ULTIMATE.start_main_~x~4 24) (<= 24 ULTIMATE.start_main_~x~4)), 51492#(and (<= 25 ULTIMATE.start_main_~y~4) (<= ULTIMATE.start_main_~x~4 25) (<= 25 ULTIMATE.start_main_~x~4)), 51493#(and (<= ULTIMATE.start_main_~x~4 25) (<= 26 ULTIMATE.start_main_~y~4) (<= 25 ULTIMATE.start_main_~x~4)), 51494#(and (<= ULTIMATE.start_main_~x~4 26) (<= 26 ULTIMATE.start_main_~y~4) (<= 26 ULTIMATE.start_main_~x~4)), 51495#(and (<= ULTIMATE.start_main_~x~4 26) (<= 27 ULTIMATE.start_main_~y~4) (<= 26 ULTIMATE.start_main_~x~4)), 51496#(and (<= ULTIMATE.start_main_~x~4 27) (<= 27 ULTIMATE.start_main_~y~4) (<= 27 ULTIMATE.start_main_~x~4)), 51497#(and (<= ULTIMATE.start_main_~x~4 27) (<= 27 ULTIMATE.start_main_~x~4) (<= 28 ULTIMATE.start_main_~y~4)), 51498#(and (<= ULTIMATE.start_main_~x~4 28) (<= 28 ULTIMATE.start_main_~y~4) (<= 28 ULTIMATE.start_main_~x~4)), 51499#(and (<= ULTIMATE.start_main_~x~4 28) (<= 29 ULTIMATE.start_main_~y~4) (<= 28 ULTIMATE.start_main_~x~4)), 51500#(and (<= 29 ULTIMATE.start_main_~x~4) (<= 29 ULTIMATE.start_main_~y~4) (<= ULTIMATE.start_main_~x~4 29)), 51501#(and (<= 29 ULTIMATE.start_main_~x~4) (<= 30 ULTIMATE.start_main_~y~4) (<= ULTIMATE.start_main_~x~4 29)), 51502#(and (<= ULTIMATE.start_main_~x~4 30) (<= 30 ULTIMATE.start_main_~y~4) (<= 30 ULTIMATE.start_main_~x~4)), 51503#(and (<= ULTIMATE.start_main_~x~4 30) (<= 31 ULTIMATE.start_main_~y~4) (<= 30 ULTIMATE.start_main_~x~4)), 51504#(and (<= ULTIMATE.start_main_~x~4 31) (<= 31 ULTIMATE.start_main_~y~4) (<= 31 ULTIMATE.start_main_~x~4)), 51505#(and (<= ULTIMATE.start_main_~x~4 31) (<= 32 ULTIMATE.start_main_~y~4) (<= 31 ULTIMATE.start_main_~x~4)), 51506#(and (<= ULTIMATE.start_main_~x~4 32) (<= 32 ULTIMATE.start_main_~y~4) (<= 32 ULTIMATE.start_main_~x~4)), 51507#(and (<= ULTIMATE.start_main_~x~4 32) (<= 33 ULTIMATE.start_main_~y~4) (<= 32 ULTIMATE.start_main_~x~4)), 51508#(and (<= ULTIMATE.start_main_~x~4 33) (<= 33 ULTIMATE.start_main_~y~4) (<= 33 ULTIMATE.start_main_~x~4)), 51509#(and (<= ULTIMATE.start_main_~x~4 33) (<= 33 ULTIMATE.start_main_~x~4) (<= 34 ULTIMATE.start_main_~y~4)), 51510#(and (<= 34 ULTIMATE.start_main_~x~4) (<= ULTIMATE.start_main_~x~4 34) (<= 34 ULTIMATE.start_main_~y~4)), 51511#(and (<= 34 ULTIMATE.start_main_~x~4) (<= ULTIMATE.start_main_~x~4 34) (<= 35 ULTIMATE.start_main_~y~4)), 51512#(and (<= ULTIMATE.start_main_~x~4 35) (<= 35 ULTIMATE.start_main_~y~4) (<= 35 ULTIMATE.start_main_~x~4)), 51513#(and (<= ULTIMATE.start_main_~x~4 35) (<= 35 ULTIMATE.start_main_~x~4) (<= 36 ULTIMATE.start_main_~y~4)), 51514#(and (<= 36 ULTIMATE.start_main_~x~4) (<= ULTIMATE.start_main_~x~4 36) (<= 36 ULTIMATE.start_main_~y~4)), 51515#(and (<= 36 ULTIMATE.start_main_~x~4) (<= 37 ULTIMATE.start_main_~y~4) (<= ULTIMATE.start_main_~x~4 36)), 51516#(and (<= 37 ULTIMATE.start_main_~y~4) (<= ULTIMATE.start_main_~x~4 37) (<= 37 ULTIMATE.start_main_~x~4)), 51517#(and (<= ULTIMATE.start_main_~x~4 37) (<= 38 ULTIMATE.start_main_~y~4) (<= 37 ULTIMATE.start_main_~x~4)), 51518#(and (<= 38 ULTIMATE.start_main_~x~4) (<= ULTIMATE.start_main_~x~4 38) (<= 38 ULTIMATE.start_main_~y~4)), 51519#(and (<= 38 ULTIMATE.start_main_~x~4) (<= 39 ULTIMATE.start_main_~y~4) (<= ULTIMATE.start_main_~x~4 38)), 51520#(and (<= 39 ULTIMATE.start_main_~y~4) (<= ULTIMATE.start_main_~x~4 39) (<= 39 ULTIMATE.start_main_~x~4)), 51521#(and (<= ULTIMATE.start_main_~x~4 39) (<= 39 ULTIMATE.start_main_~x~4) (<= 40 ULTIMATE.start_main_~y~4)), 51522#(and (<= ULTIMATE.start_main_~x~4 40) (<= 40 ULTIMATE.start_main_~x~4) (<= 40 ULTIMATE.start_main_~y~4)), 51523#(and (<= ULTIMATE.start_main_~x~4 40) (<= 40 ULTIMATE.start_main_~x~4) (<= 41 ULTIMATE.start_main_~y~4)), 51524#(and (<= ULTIMATE.start_main_~x~4 41) (<= 41 ULTIMATE.start_main_~x~4) (<= 41 ULTIMATE.start_main_~y~4)), 51525#(and (<= ULTIMATE.start_main_~x~4 41) (<= 41 ULTIMATE.start_main_~x~4) (<= 42 ULTIMATE.start_main_~y~4)), 51526#(and (<= 42 ULTIMATE.start_main_~y~4) (<= ULTIMATE.start_main_~x~4 42) (<= 42 ULTIMATE.start_main_~x~4)), 51527#(and (<= 43 ULTIMATE.start_main_~y~4) (<= ULTIMATE.start_main_~x~4 42) (<= 42 ULTIMATE.start_main_~x~4)), 51528#(and (<= 43 ULTIMATE.start_main_~y~4) (<= ULTIMATE.start_main_~x~4 43) (<= 43 ULTIMATE.start_main_~x~4)), 51529#(and (<= ULTIMATE.start_main_~x~4 43) (<= 44 ULTIMATE.start_main_~y~4) (<= 43 ULTIMATE.start_main_~x~4)), 51530#(and (<= 44 ULTIMATE.start_main_~x~4) (<= ULTIMATE.start_main_~x~4 44) (<= 44 ULTIMATE.start_main_~y~4)), 51531#(and (<= 44 ULTIMATE.start_main_~x~4) (<= ULTIMATE.start_main_~x~4 44) (<= 45 ULTIMATE.start_main_~y~4)), 51532#(and (<= 45 ULTIMATE.start_main_~y~4) (<= 45 ULTIMATE.start_main_~x~4) (<= ULTIMATE.start_main_~x~4 45)), 51533#(and (<= 46 ULTIMATE.start_main_~y~4) (<= 45 ULTIMATE.start_main_~x~4) (<= ULTIMATE.start_main_~x~4 45)), 51534#(and (<= ULTIMATE.start_main_~x~4 46) (<= 46 ULTIMATE.start_main_~x~4) (<= 46 ULTIMATE.start_main_~y~4)), 51535#(and (<= ULTIMATE.start_main_~x~4 46) (<= 47 ULTIMATE.start_main_~y~4) (<= 46 ULTIMATE.start_main_~x~4)), 51536#(and (<= 47 ULTIMATE.start_main_~y~4) (<= 47 ULTIMATE.start_main_~x~4) (<= ULTIMATE.start_main_~x~4 47)), 51537#(and (<= 48 ULTIMATE.start_main_~y~4) (<= 47 ULTIMATE.start_main_~x~4) (<= ULTIMATE.start_main_~x~4 47)), 51538#(and (<= 48 ULTIMATE.start_main_~x~4) (<= 48 ULTIMATE.start_main_~y~4) (<= ULTIMATE.start_main_~x~4 48)), 51539#(and (<= 48 ULTIMATE.start_main_~x~4) (<= 49 ULTIMATE.start_main_~y~4) (<= ULTIMATE.start_main_~x~4 48)), 51540#(and (<= 49 ULTIMATE.start_main_~x~4) (<= 49 ULTIMATE.start_main_~y~4) (<= ULTIMATE.start_main_~x~4 49)), 51541#(and (<= 49 ULTIMATE.start_main_~x~4) (<= 50 ULTIMATE.start_main_~y~4)), 51542#(and (<= 50 ULTIMATE.start_main_~x~4) (<= 50 ULTIMATE.start_main_~y~4)), 51543#(and (<= 50 ULTIMATE.start_main_~x~4) (<= 49 ULTIMATE.start_main_~y~4)), 51544#(and (<= 51 ULTIMATE.start_main_~x~4) (<= 49 ULTIMATE.start_main_~y~4)), 51545#(and (<= 51 ULTIMATE.start_main_~x~4) (<= 48 ULTIMATE.start_main_~y~4)), 51546#(and (<= 52 ULTIMATE.start_main_~x~4) (<= 48 ULTIMATE.start_main_~y~4)), 51547#(and (<= 52 ULTIMATE.start_main_~x~4) (<= 47 ULTIMATE.start_main_~y~4)), 51548#(and (<= 47 ULTIMATE.start_main_~y~4) (<= 53 ULTIMATE.start_main_~x~4)), 51549#(and (<= 53 ULTIMATE.start_main_~x~4) (<= 46 ULTIMATE.start_main_~y~4)), 51550#(and (<= 54 ULTIMATE.start_main_~x~4) (<= 46 ULTIMATE.start_main_~y~4)), 51551#(and (<= 45 ULTIMATE.start_main_~y~4) (<= 54 ULTIMATE.start_main_~x~4)), 51552#(and (<= 45 ULTIMATE.start_main_~y~4) (<= 55 ULTIMATE.start_main_~x~4)), 51553#(and (<= 55 ULTIMATE.start_main_~x~4) (<= 44 ULTIMATE.start_main_~y~4)), 51554#(and (<= 56 ULTIMATE.start_main_~x~4) (<= 44 ULTIMATE.start_main_~y~4)), 51555#(and (<= 56 ULTIMATE.start_main_~x~4) (<= 43 ULTIMATE.start_main_~y~4)), 51556#(and (<= 43 ULTIMATE.start_main_~y~4) (<= 57 ULTIMATE.start_main_~x~4)), 51557#(and (<= 42 ULTIMATE.start_main_~y~4) (<= 57 ULTIMATE.start_main_~x~4)), 51558#(and (<= 58 ULTIMATE.start_main_~x~4) (<= 42 ULTIMATE.start_main_~y~4)), 51559#(and (<= 58 ULTIMATE.start_main_~x~4) (<= 41 ULTIMATE.start_main_~y~4)), 51560#(and (<= 41 ULTIMATE.start_main_~y~4) (<= 59 ULTIMATE.start_main_~x~4)), 51561#(and (<= 40 ULTIMATE.start_main_~y~4) (<= 59 ULTIMATE.start_main_~x~4)), 51562#(and (<= 60 ULTIMATE.start_main_~x~4) (<= 40 ULTIMATE.start_main_~y~4)), 51563#(and (<= 39 ULTIMATE.start_main_~y~4) (<= 60 ULTIMATE.start_main_~x~4)), 51564#(and (<= 61 ULTIMATE.start_main_~x~4) (<= 39 ULTIMATE.start_main_~y~4)), 51565#(and (<= 61 ULTIMATE.start_main_~x~4) (<= 38 ULTIMATE.start_main_~y~4)), 51566#(and (<= 38 ULTIMATE.start_main_~y~4) (<= 62 ULTIMATE.start_main_~x~4)), 51567#(and (<= 37 ULTIMATE.start_main_~y~4) (<= 62 ULTIMATE.start_main_~x~4)), 51568#(and (<= 63 ULTIMATE.start_main_~x~4) (<= 37 ULTIMATE.start_main_~y~4)), 51569#(and (<= 63 ULTIMATE.start_main_~x~4) (<= 36 ULTIMATE.start_main_~y~4)), 51570#(and (<= 64 ULTIMATE.start_main_~x~4) (<= 36 ULTIMATE.start_main_~y~4)), 51571#(and (<= 35 ULTIMATE.start_main_~y~4) (<= 64 ULTIMATE.start_main_~x~4)), 51572#(and (<= 35 ULTIMATE.start_main_~y~4) (<= 65 ULTIMATE.start_main_~x~4)), 51573#(and (<= 34 ULTIMATE.start_main_~y~4) (<= 65 ULTIMATE.start_main_~x~4)), 51574#(and (<= 66 ULTIMATE.start_main_~x~4) (<= 34 ULTIMATE.start_main_~y~4)), 51575#(and (<= 66 ULTIMATE.start_main_~x~4) (<= 33 ULTIMATE.start_main_~y~4)), 51576#(and (<= 67 ULTIMATE.start_main_~x~4) (<= 33 ULTIMATE.start_main_~y~4)), 51577#(and (<= 67 ULTIMATE.start_main_~x~4) (<= 32 ULTIMATE.start_main_~y~4)), 51578#(and (<= 32 ULTIMATE.start_main_~y~4) (<= 68 ULTIMATE.start_main_~x~4)), 51579#(and (<= 31 ULTIMATE.start_main_~y~4) (<= 68 ULTIMATE.start_main_~x~4)), 51580#(and (<= 31 ULTIMATE.start_main_~y~4) (<= 69 ULTIMATE.start_main_~x~4)), 51581#(and (<= 30 ULTIMATE.start_main_~y~4) (<= 69 ULTIMATE.start_main_~x~4)), 51582#(and (<= 70 ULTIMATE.start_main_~x~4) (<= 30 ULTIMATE.start_main_~y~4)), 51583#(and (<= 70 ULTIMATE.start_main_~x~4) (<= 29 ULTIMATE.start_main_~y~4)), 51584#(and (<= 71 ULTIMATE.start_main_~x~4) (<= 29 ULTIMATE.start_main_~y~4)), 51585#(and (<= 71 ULTIMATE.start_main_~x~4) (<= 28 ULTIMATE.start_main_~y~4)), 51586#(and (<= 72 ULTIMATE.start_main_~x~4) (<= 28 ULTIMATE.start_main_~y~4)), 51587#(and (<= 72 ULTIMATE.start_main_~x~4) (<= 27 ULTIMATE.start_main_~y~4)), 51588#(and (<= 27 ULTIMATE.start_main_~y~4) (<= 73 ULTIMATE.start_main_~x~4)), 51589#(and (<= 73 ULTIMATE.start_main_~x~4) (<= 26 ULTIMATE.start_main_~y~4)), 51590#(and (<= 74 ULTIMATE.start_main_~x~4) (<= 26 ULTIMATE.start_main_~y~4)), 51591#(and (<= 74 ULTIMATE.start_main_~x~4) (<= 25 ULTIMATE.start_main_~y~4)), 51592#(and (<= 75 ULTIMATE.start_main_~x~4) (<= 25 ULTIMATE.start_main_~y~4)), 51593#(and (<= 24 ULTIMATE.start_main_~y~4) (<= 75 ULTIMATE.start_main_~x~4)), 51594#(and (<= 24 ULTIMATE.start_main_~y~4) (<= 76 ULTIMATE.start_main_~x~4)), 51595#(and (<= 23 ULTIMATE.start_main_~y~4) (<= 76 ULTIMATE.start_main_~x~4)), 51596#(and (<= 77 ULTIMATE.start_main_~x~4) (<= 23 ULTIMATE.start_main_~y~4)), 51597#(and (<= 77 ULTIMATE.start_main_~x~4) (<= 22 ULTIMATE.start_main_~y~4)), 51598#(and (<= 78 ULTIMATE.start_main_~x~4) (<= 22 ULTIMATE.start_main_~y~4)), 51599#(and (<= 21 ULTIMATE.start_main_~y~4) (<= 78 ULTIMATE.start_main_~x~4)), 51600#(and (<= 79 ULTIMATE.start_main_~x~4) (<= 21 ULTIMATE.start_main_~y~4)), 51601#(and (<= 79 ULTIMATE.start_main_~x~4) (<= 20 ULTIMATE.start_main_~y~4)), 51602#(and (<= 20 ULTIMATE.start_main_~y~4) (<= 80 ULTIMATE.start_main_~x~4)), 51603#(and (<= 19 ULTIMATE.start_main_~y~4) (<= 80 ULTIMATE.start_main_~x~4)), 51604#(and (<= 19 ULTIMATE.start_main_~y~4) (<= 81 ULTIMATE.start_main_~x~4)), 51605#(and (<= 18 ULTIMATE.start_main_~y~4) (<= 81 ULTIMATE.start_main_~x~4)), 51606#(and (<= 18 ULTIMATE.start_main_~y~4) (<= 82 ULTIMATE.start_main_~x~4)), 51607#(and (<= 82 ULTIMATE.start_main_~x~4) (<= 17 ULTIMATE.start_main_~y~4)), 51608#(and (<= 83 ULTIMATE.start_main_~x~4) (<= 17 ULTIMATE.start_main_~y~4)), 51609#(and (<= 83 ULTIMATE.start_main_~x~4) (<= 16 ULTIMATE.start_main_~y~4)), 51610#(and (<= 16 ULTIMATE.start_main_~y~4) (<= 84 ULTIMATE.start_main_~x~4)), 51611#(and (<= 84 ULTIMATE.start_main_~x~4) (<= 15 ULTIMATE.start_main_~y~4)), 51612#(and (<= 85 ULTIMATE.start_main_~x~4) (<= 15 ULTIMATE.start_main_~y~4)), 51613#(and (<= 14 ULTIMATE.start_main_~y~4) (<= 85 ULTIMATE.start_main_~x~4)), 51614#(and (<= 14 ULTIMATE.start_main_~y~4) (<= 86 ULTIMATE.start_main_~x~4)), 51615#(and (<= 13 ULTIMATE.start_main_~y~4) (<= 86 ULTIMATE.start_main_~x~4)), 51616#(and (<= 13 ULTIMATE.start_main_~y~4) (<= 87 ULTIMATE.start_main_~x~4)), 51617#(and (<= 12 ULTIMATE.start_main_~y~4) (<= 87 ULTIMATE.start_main_~x~4)), 51618#(and (<= 12 ULTIMATE.start_main_~y~4) (<= 88 ULTIMATE.start_main_~x~4)), 51619#(and (<= 88 ULTIMATE.start_main_~x~4) (<= 11 ULTIMATE.start_main_~y~4)), 51620#(and (<= 89 ULTIMATE.start_main_~x~4) (<= 11 ULTIMATE.start_main_~y~4)), 51621#(and (<= 89 ULTIMATE.start_main_~x~4) (<= 10 ULTIMATE.start_main_~y~4)), 51622#(and (<= 90 ULTIMATE.start_main_~x~4) (<= 10 ULTIMATE.start_main_~y~4)), 51623#(and (<= 90 ULTIMATE.start_main_~x~4) (<= 9 ULTIMATE.start_main_~y~4)), 51624#(and (<= 91 ULTIMATE.start_main_~x~4) (<= 9 ULTIMATE.start_main_~y~4)), 51625#(and (<= 91 ULTIMATE.start_main_~x~4) (<= 8 ULTIMATE.start_main_~y~4)), 51626#(and (<= 8 ULTIMATE.start_main_~y~4) (<= 92 ULTIMATE.start_main_~x~4)), 51627#(and (<= 7 ULTIMATE.start_main_~y~4) (<= 92 ULTIMATE.start_main_~x~4)), 51628#(and (<= 7 ULTIMATE.start_main_~y~4) (<= 93 ULTIMATE.start_main_~x~4)), 51629#(and (<= 6 ULTIMATE.start_main_~y~4) (<= 93 ULTIMATE.start_main_~x~4)), 51630#(and (<= 6 ULTIMATE.start_main_~y~4) (<= 94 ULTIMATE.start_main_~x~4)), 51631#(and (<= 5 ULTIMATE.start_main_~y~4) (<= 94 ULTIMATE.start_main_~x~4)), 51632#(and (<= 5 ULTIMATE.start_main_~y~4) (<= 95 ULTIMATE.start_main_~x~4)), 51633#(and (<= 4 ULTIMATE.start_main_~y~4) (<= 95 ULTIMATE.start_main_~x~4)), 51634#(and (<= 4 ULTIMATE.start_main_~y~4) (<= 96 ULTIMATE.start_main_~x~4)), 51635#(<= 3 ULTIMATE.start_main_~y~4), 51636#(<= 1 ULTIMATE.start_main_~y~4)] [2018-07-23 13:42:45,446 INFO L134 CoverageAnalysis]: Checked inductivity of 9506 backedges. 0 proven. 9506 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2018-07-23 13:42:45,446 INFO L450 AbstractCegarLoop]: Interpolant automaton has 197 states [2018-07-23 13:42:45,447 INFO L132 InterpolantAutomaton]: Constructing interpolant automaton starting with 197 interpolants. [2018-07-23 13:42:45,449 INFO L133 InterpolantAutomaton]: CoverageRelationStatistics Valid=914, Invalid=37698, Unknown=0, NotChecked=0, Total=38612 [2018-07-23 13:42:45,449 INFO L87 Difference]: Start difference. First operand 199 states and 199 transitions. Second operand 197 states. [2018-07-23 13:42:46,854 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2018-07-23 13:42:46,854 INFO L93 Difference]: Finished difference Result 204 states and 204 transitions. [2018-07-23 13:42:46,854 INFO L142 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 197 states. [2018-07-23 13:42:46,854 INFO L78 Accepts]: Start accepts. Automaton has 197 states. Word has length 198 [2018-07-23 13:42:46,854 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2018-07-23 13:42:46,855 INFO L225 Difference]: With dead ends: 204 [2018-07-23 13:42:46,855 INFO L226 Difference]: Without dead ends: 202 [2018-07-23 13:42:46,857 INFO L575 BasicCegarLoop]: 0 DeclaredPredicates, 198 GetRequests, 1 SyntacticMatches, 1 SemanticMatches, 196 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 11949 ImplicationChecksByTransitivity, 1.2s TimeCoverageRelationStatistics Valid=920, Invalid=38086, Unknown=0, NotChecked=0, Total=39006 [2018-07-23 13:42:46,857 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 202 states. [2018-07-23 13:42:46,902 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 202 to 201. [2018-07-23 13:42:46,902 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 201 states. [2018-07-23 13:42:46,902 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 201 states to 201 states and 201 transitions. [2018-07-23 13:42:46,903 INFO L78 Accepts]: Start accepts. Automaton has 201 states and 201 transitions. Word has length 198 [2018-07-23 13:42:46,903 INFO L84 Accepts]: Finished accepts. word is rejected. [2018-07-23 13:42:46,903 INFO L471 AbstractCegarLoop]: Abstraction has 201 states and 201 transitions. [2018-07-23 13:42:46,903 INFO L472 AbstractCegarLoop]: Interpolant automaton has 197 states. [2018-07-23 13:42:46,903 INFO L276 IsEmpty]: Start isEmpty. Operand 201 states and 201 transitions. [2018-07-23 13:42:46,903 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 201 [2018-07-23 13:42:46,904 INFO L349 BasicCegarLoop]: Found error trace [2018-07-23 13:42:46,904 INFO L357 BasicCegarLoop]: trace histogram [99, 98, 1, 1, 1] [2018-07-23 13:42:46,904 INFO L414 AbstractCegarLoop]: === Iteration 99 === [ULTIMATE.startErr0AssertViolationASSERT]=== [2018-07-23 13:42:46,904 INFO L82 PathProgramCache]: Analyzing trace with hash 832379716, now seen corresponding path program 98 times [2018-07-23 13:42:46,904 INFO L69 tionRefinementEngine]: Using refinement strategy FixedRefinementStrategy [2018-07-23 13:42:46,932 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-07-23 13:42:48,453 INFO L134 CoverageAnalysis]: Checked inductivity of 9702 backedges. 0 proven. 9702 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2018-07-23 13:42:48,454 INFO L309 seRefinementStrategy]: Constructing automaton from 0 perfect and 1 imperfect interpolant sequences. [2018-07-23 13:42:48,454 INFO L324 seRefinementStrategy]: Number of different interpolants: perfect sequences [] imperfect sequences [198] total 198 [2018-07-23 13:42:48,454 INFO L142 lantAutomatonBuilder]: Constructing canonical interpolant automaton, with selfloop in false state [2018-07-23 13:42:48,454 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2018-07-23 13:42:48,455 INFO L185 omatonBuilderFactory]: Interpolants [52449#true, 52450#false, 52451#(and (<= 0 ULTIMATE.start_main_~y~4) (<= ULTIMATE.start_main_~x~4 0) (<= 0 ULTIMATE.start_main_~x~4)), 52452#(and (<= ULTIMATE.start_main_~x~4 0) (<= 0 ULTIMATE.start_main_~x~4) (<= 1 ULTIMATE.start_main_~y~4)), 52453#(and (<= ULTIMATE.start_main_~x~4 1) (<= 1 ULTIMATE.start_main_~y~4) (<= 1 ULTIMATE.start_main_~x~4)), 52454#(and (<= 2 ULTIMATE.start_main_~y~4) (<= ULTIMATE.start_main_~x~4 1) (<= 1 ULTIMATE.start_main_~x~4)), 52455#(and (<= 2 ULTIMATE.start_main_~y~4) (<= 2 ULTIMATE.start_main_~x~4) (<= ULTIMATE.start_main_~x~4 2)), 52456#(and (<= 3 ULTIMATE.start_main_~y~4) (<= 2 ULTIMATE.start_main_~x~4) (<= ULTIMATE.start_main_~x~4 2)), 52457#(and (<= 3 ULTIMATE.start_main_~x~4) (<= 3 ULTIMATE.start_main_~y~4) (<= ULTIMATE.start_main_~x~4 3)), 52458#(and (<= 3 ULTIMATE.start_main_~x~4) (<= 4 ULTIMATE.start_main_~y~4) (<= ULTIMATE.start_main_~x~4 3)), 52459#(and (<= 4 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ULTIMATE.start_main_~x~4) (<= 21 ULTIMATE.start_main_~y~4)), 52610#(and (<= 79 ULTIMATE.start_main_~x~4) (<= 20 ULTIMATE.start_main_~y~4)), 52611#(and (<= 20 ULTIMATE.start_main_~y~4) (<= 80 ULTIMATE.start_main_~x~4)), 52612#(and (<= 19 ULTIMATE.start_main_~y~4) (<= 80 ULTIMATE.start_main_~x~4)), 52613#(and (<= 19 ULTIMATE.start_main_~y~4) (<= 81 ULTIMATE.start_main_~x~4)), 52614#(and (<= 18 ULTIMATE.start_main_~y~4) (<= 81 ULTIMATE.start_main_~x~4)), 52615#(and (<= 18 ULTIMATE.start_main_~y~4) (<= 82 ULTIMATE.start_main_~x~4)), 52616#(and (<= 82 ULTIMATE.start_main_~x~4) (<= 17 ULTIMATE.start_main_~y~4)), 52617#(and (<= 83 ULTIMATE.start_main_~x~4) (<= 17 ULTIMATE.start_main_~y~4)), 52618#(and (<= 83 ULTIMATE.start_main_~x~4) (<= 16 ULTIMATE.start_main_~y~4)), 52619#(and (<= 16 ULTIMATE.start_main_~y~4) (<= 84 ULTIMATE.start_main_~x~4)), 52620#(and (<= 84 ULTIMATE.start_main_~x~4) (<= 15 ULTIMATE.start_main_~y~4)), 52621#(and (<= 85 ULTIMATE.start_main_~x~4) (<= 15 ULTIMATE.start_main_~y~4)), 52622#(and (<= 14 ULTIMATE.start_main_~y~4) (<= 85 ULTIMATE.start_main_~x~4)), 52623#(and (<= 14 ULTIMATE.start_main_~y~4) (<= 86 ULTIMATE.start_main_~x~4)), 52624#(and (<= 13 ULTIMATE.start_main_~y~4) (<= 86 ULTIMATE.start_main_~x~4)), 52625#(and (<= 13 ULTIMATE.start_main_~y~4) (<= 87 ULTIMATE.start_main_~x~4)), 52626#(and (<= 12 ULTIMATE.start_main_~y~4) (<= 87 ULTIMATE.start_main_~x~4)), 52627#(and (<= 12 ULTIMATE.start_main_~y~4) (<= 88 ULTIMATE.start_main_~x~4)), 52628#(and (<= 88 ULTIMATE.start_main_~x~4) (<= 11 ULTIMATE.start_main_~y~4)), 52629#(and (<= 89 ULTIMATE.start_main_~x~4) (<= 11 ULTIMATE.start_main_~y~4)), 52630#(and (<= 89 ULTIMATE.start_main_~x~4) (<= 10 ULTIMATE.start_main_~y~4)), 52631#(and (<= 90 ULTIMATE.start_main_~x~4) (<= 10 ULTIMATE.start_main_~y~4)), 52632#(and (<= 90 ULTIMATE.start_main_~x~4) (<= 9 ULTIMATE.start_main_~y~4)), 52633#(and (<= 91 ULTIMATE.start_main_~x~4) (<= 9 ULTIMATE.start_main_~y~4)), 52634#(and (<= 91 ULTIMATE.start_main_~x~4) (<= 8 ULTIMATE.start_main_~y~4)), 52635#(and (<= 8 ULTIMATE.start_main_~y~4) (<= 92 ULTIMATE.start_main_~x~4)), 52636#(and (<= 7 ULTIMATE.start_main_~y~4) (<= 92 ULTIMATE.start_main_~x~4)), 52637#(and (<= 7 ULTIMATE.start_main_~y~4) (<= 93 ULTIMATE.start_main_~x~4)), 52638#(and (<= 6 ULTIMATE.start_main_~y~4) (<= 93 ULTIMATE.start_main_~x~4)), 52639#(and (<= 6 ULTIMATE.start_main_~y~4) (<= 94 ULTIMATE.start_main_~x~4)), 52640#(and (<= 5 ULTIMATE.start_main_~y~4) (<= 94 ULTIMATE.start_main_~x~4)), 52641#(and (<= 5 ULTIMATE.start_main_~y~4) (<= 95 ULTIMATE.start_main_~x~4)), 52642#(and (<= 4 ULTIMATE.start_main_~y~4) (<= 95 ULTIMATE.start_main_~x~4)), 52643#(and (<= 4 ULTIMATE.start_main_~y~4) (<= 96 ULTIMATE.start_main_~x~4)), 52644#(and (<= 3 ULTIMATE.start_main_~y~4) (<= 96 ULTIMATE.start_main_~x~4)), 52645#(and (<= 3 ULTIMATE.start_main_~y~4) (<= 97 ULTIMATE.start_main_~x~4)), 52646#(<= 2 ULTIMATE.start_main_~y~4), 52647#(<= 1 ULTIMATE.start_main_~y~4)] [2018-07-23 13:42:48,456 INFO L134 CoverageAnalysis]: Checked inductivity of 9702 backedges. 0 proven. 9702 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2018-07-23 13:42:48,456 INFO L450 AbstractCegarLoop]: Interpolant automaton has 199 states [2018-07-23 13:42:48,456 INFO L132 InterpolantAutomaton]: Constructing interpolant automaton starting with 199 interpolants. [2018-07-23 13:42:48,458 INFO L133 InterpolantAutomaton]: CoverageRelationStatistics Valid=926, Invalid=38476, Unknown=0, NotChecked=0, Total=39402 [2018-07-23 13:42:48,458 INFO L87 Difference]: Start difference. First operand 201 states and 201 transitions. Second operand 199 states. [2018-07-23 13:42:49,929 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2018-07-23 13:42:49,929 INFO L93 Difference]: Finished difference Result 206 states and 206 transitions. [2018-07-23 13:42:49,929 INFO L142 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 199 states. [2018-07-23 13:42:49,930 INFO L78 Accepts]: Start accepts. Automaton has 199 states. Word has length 200 [2018-07-23 13:42:49,930 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2018-07-23 13:42:49,931 INFO L225 Difference]: With dead ends: 206 [2018-07-23 13:42:49,931 INFO L226 Difference]: Without dead ends: 204 [2018-07-23 13:42:49,933 INFO L575 BasicCegarLoop]: 0 DeclaredPredicates, 200 GetRequests, 1 SyntacticMatches, 1 SemanticMatches, 198 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 12243 ImplicationChecksByTransitivity, 1.2s TimeCoverageRelationStatistics Valid=932, Invalid=38868, Unknown=0, NotChecked=0, Total=39800 [2018-07-23 13:42:49,934 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 204 states. [2018-07-23 13:42:49,981 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 204 to 203. [2018-07-23 13:42:49,982 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 203 states. [2018-07-23 13:42:49,982 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 203 states to 203 states and 203 transitions. [2018-07-23 13:42:49,982 INFO L78 Accepts]: Start accepts. Automaton has 203 states and 203 transitions. Word has length 200 [2018-07-23 13:42:49,982 INFO L84 Accepts]: Finished accepts. word is rejected. [2018-07-23 13:42:49,983 INFO L471 AbstractCegarLoop]: Abstraction has 203 states and 203 transitions. [2018-07-23 13:42:49,983 INFO L472 AbstractCegarLoop]: Interpolant automaton has 199 states. [2018-07-23 13:42:49,983 INFO L276 IsEmpty]: Start isEmpty. Operand 203 states and 203 transitions. [2018-07-23 13:42:49,984 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 203 [2018-07-23 13:42:49,984 INFO L349 BasicCegarLoop]: Found error trace [2018-07-23 13:42:49,984 INFO L357 BasicCegarLoop]: trace histogram [100, 99, 1, 1, 1] [2018-07-23 13:42:49,984 INFO L414 AbstractCegarLoop]: === Iteration 100 === [ULTIMATE.startErr0AssertViolationASSERT]=== [2018-07-23 13:42:49,984 INFO L82 PathProgramCache]: Analyzing trace with hash 1053053802, now seen corresponding path program 99 times [2018-07-23 13:42:49,984 INFO L69 tionRefinementEngine]: Using refinement strategy FixedRefinementStrategy [2018-07-23 13:42:50,025 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-07-23 13:42:51,638 INFO L134 CoverageAnalysis]: Checked inductivity of 9900 backedges. 0 proven. 9900 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2018-07-23 13:42:51,639 INFO L309 seRefinementStrategy]: Constructing automaton from 0 perfect and 1 imperfect interpolant sequences. [2018-07-23 13:42:51,639 INFO L324 seRefinementStrategy]: Number of different interpolants: perfect sequences [] imperfect sequences [200] total 200 [2018-07-23 13:42:51,639 INFO L142 lantAutomatonBuilder]: Constructing canonical interpolant automaton, with selfloop in false state [2018-07-23 13:42:51,639 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2018-07-23 13:42:51,640 INFO L185 omatonBuilderFactory]: Interpolants [53468#true, 53469#false, 53470#(and (<= 0 ULTIMATE.start_main_~y~4) (<= ULTIMATE.start_main_~x~4 0) (<= 0 ULTIMATE.start_main_~x~4)), 53471#(and (<= ULTIMATE.start_main_~x~4 0) (<= 0 ULTIMATE.start_main_~x~4) (<= 1 ULTIMATE.start_main_~y~4)), 53472#(and (<= ULTIMATE.start_main_~x~4 1) (<= 1 ULTIMATE.start_main_~y~4) (<= 1 ULTIMATE.start_main_~x~4)), 53473#(and (<= 2 ULTIMATE.start_main_~y~4) (<= ULTIMATE.start_main_~x~4 1) (<= 1 ULTIMATE.start_main_~x~4)), 53474#(and (<= 2 ULTIMATE.start_main_~y~4) (<= 2 ULTIMATE.start_main_~x~4) (<= ULTIMATE.start_main_~x~4 2)), 53475#(and (<= 3 ULTIMATE.start_main_~y~4) (<= 2 ULTIMATE.start_main_~x~4) (<= ULTIMATE.start_main_~x~4 2)), 53476#(and (<= 3 ULTIMATE.start_main_~x~4) (<= 3 ULTIMATE.start_main_~y~4) (<= ULTIMATE.start_main_~x~4 3)), 53477#(and (<= 3 ULTIMATE.start_main_~x~4) (<= 4 ULTIMATE.start_main_~y~4) (<= ULTIMATE.start_main_~x~4 3)), 53478#(and (<= 4 ULTIMATE.start_main_~y~4) (<= ULTIMATE.start_main_~x~4 4) (<= 4 ULTIMATE.start_main_~x~4)), 53479#(and (<= 5 ULTIMATE.start_main_~y~4) (<= ULTIMATE.start_main_~x~4 4) (<= 4 ULTIMATE.start_main_~x~4)), 53480#(and (<= ULTIMATE.start_main_~x~4 5) (<= 5 ULTIMATE.start_main_~y~4) (<= 5 ULTIMATE.start_main_~x~4)), 53481#(and (<= ULTIMATE.start_main_~x~4 5) (<= 6 ULTIMATE.start_main_~y~4) (<= 5 ULTIMATE.start_main_~x~4)), 53482#(and (<= 6 ULTIMATE.start_main_~x~4) (<= 6 ULTIMATE.start_main_~y~4) (<= ULTIMATE.start_main_~x~4 6)), 53483#(and (<= 6 ULTIMATE.start_main_~x~4) (<= 7 ULTIMATE.start_main_~y~4) (<= ULTIMATE.start_main_~x~4 6)), 53484#(and (<= ULTIMATE.start_main_~x~4 7) (<= 7 ULTIMATE.start_main_~y~4) (<= 7 ULTIMATE.start_main_~x~4)), 53485#(and (<= ULTIMATE.start_main_~x~4 7) (<= 7 ULTIMATE.start_main_~x~4) (<= 8 ULTIMATE.start_main_~y~4)), 53486#(and (<= ULTIMATE.start_main_~x~4 8) (<= 8 ULTIMATE.start_main_~y~4) (<= 8 ULTIMATE.start_main_~x~4)), 53487#(and (<= ULTIMATE.start_main_~x~4 8) (<= 8 ULTIMATE.start_main_~x~4) (<= 9 ULTIMATE.start_main_~y~4)), 53488#(and (<= 9 ULTIMATE.start_main_~x~4) (<= ULTIMATE.start_main_~x~4 9) (<= 9 ULTIMATE.start_main_~y~4)), 53489#(and (<= 9 ULTIMATE.start_main_~x~4) (<= 10 ULTIMATE.start_main_~y~4) (<= ULTIMATE.start_main_~x~4 9)), 53490#(and (<= ULTIMATE.start_main_~x~4 10) (<= 10 ULTIMATE.start_main_~y~4) (<= 10 ULTIMATE.start_main_~x~4)), 53491#(and (<= ULTIMATE.start_main_~x~4 10) (<= 11 ULTIMATE.start_main_~y~4) (<= 10 ULTIMATE.start_main_~x~4)), 53492#(and (<= ULTIMATE.start_main_~x~4 11) (<= 11 ULTIMATE.start_main_~x~4) (<= 11 ULTIMATE.start_main_~y~4)), 53493#(and (<= ULTIMATE.start_main_~x~4 11) (<= 11 ULTIMATE.start_main_~x~4) (<= 12 ULTIMATE.start_main_~y~4)), 53494#(and (<= 12 ULTIMATE.start_main_~x~4) (<= 12 ULTIMATE.start_main_~y~4) (<= ULTIMATE.start_main_~x~4 12)), 53495#(and (<= 12 ULTIMATE.start_main_~x~4) (<= 13 ULTIMATE.start_main_~y~4) (<= ULTIMATE.start_main_~x~4 12)), 53496#(and (<= 13 ULTIMATE.start_main_~y~4) (<= ULTIMATE.start_main_~x~4 13) (<= 13 ULTIMATE.start_main_~x~4)), 53497#(and (<= 14 ULTIMATE.start_main_~y~4) (<= ULTIMATE.start_main_~x~4 13) (<= 13 ULTIMATE.start_main_~x~4)), 53498#(and (<= 14 ULTIMATE.start_main_~y~4) (<= 14 ULTIMATE.start_main_~x~4) (<= ULTIMATE.start_main_~x~4 14)), 53499#(and (<= 14 ULTIMATE.start_main_~x~4) (<= ULTIMATE.start_main_~x~4 14) (<= 15 ULTIMATE.start_main_~y~4)), 53500#(and (<= 15 ULTIMATE.start_main_~x~4) (<= 15 ULTIMATE.start_main_~y~4) (<= ULTIMATE.start_main_~x~4 15)), 53501#(and (<= 15 ULTIMATE.start_main_~x~4) (<= 16 ULTIMATE.start_main_~y~4) (<= ULTIMATE.start_main_~x~4 15)), 53502#(and (<= ULTIMATE.start_main_~x~4 16) (<= 16 ULTIMATE.start_main_~x~4) (<= 16 ULTIMATE.start_main_~y~4)), 53503#(and (<= ULTIMATE.start_main_~x~4 16) (<= 16 ULTIMATE.start_main_~x~4) (<= 17 ULTIMATE.start_main_~y~4)), 53504#(and (<= ULTIMATE.start_main_~x~4 17) (<= 17 ULTIMATE.start_main_~y~4) (<= 17 ULTIMATE.start_main_~x~4)), 53505#(and (<= 18 ULTIMATE.start_main_~y~4) (<= ULTIMATE.start_main_~x~4 17) (<= 17 ULTIMATE.start_main_~x~4)), 53506#(and (<= 18 ULTIMATE.start_main_~y~4) (<= 18 ULTIMATE.start_main_~x~4) (<= ULTIMATE.start_main_~x~4 18)), 53507#(and (<= 18 ULTIMATE.start_main_~x~4) (<= ULTIMATE.start_main_~x~4 18) (<= 19 ULTIMATE.start_main_~y~4)), 53508#(and (<= 19 ULTIMATE.start_main_~y~4) (<= 19 ULTIMATE.start_main_~x~4) (<= ULTIMATE.start_main_~x~4 19)), 53509#(and (<= 20 ULTIMATE.start_main_~y~4) (<= 19 ULTIMATE.start_main_~x~4) (<= ULTIMATE.start_main_~x~4 19)), 53510#(and (<= 20 ULTIMATE.start_main_~x~4) (<= 20 ULTIMATE.start_main_~y~4) (<= ULTIMATE.start_main_~x~4 20)), 53511#(and (<= 20 ULTIMATE.start_main_~x~4) (<= 21 ULTIMATE.start_main_~y~4) (<= ULTIMATE.start_main_~x~4 20)), 53512#(and (<= ULTIMATE.start_main_~x~4 21) (<= 21 ULTIMATE.start_main_~y~4) (<= 21 ULTIMATE.start_main_~x~4)), 53513#(and (<= ULTIMATE.start_main_~x~4 21) (<= 21 ULTIMATE.start_main_~x~4) (<= 22 ULTIMATE.start_main_~y~4)), 53514#(and (<= ULTIMATE.start_main_~x~4 22) (<= 22 ULTIMATE.start_main_~x~4) (<= 22 ULTIMATE.start_main_~y~4)), 53515#(and (<= 23 ULTIMATE.start_main_~y~4) (<= ULTIMATE.start_main_~x~4 22) (<= 22 ULTIMATE.start_main_~x~4)), 53516#(and (<= ULTIMATE.start_main_~x~4 23) (<= 23 ULTIMATE.start_main_~x~4) (<= 23 ULTIMATE.start_main_~y~4)), 53517#(and (<= ULTIMATE.start_main_~x~4 23) (<= 23 ULTIMATE.start_main_~x~4) (<= 24 ULTIMATE.start_main_~y~4)), 53518#(and (<= 24 ULTIMATE.start_main_~y~4) (<= ULTIMATE.start_main_~x~4 24) (<= 24 ULTIMATE.start_main_~x~4)), 53519#(and (<= 25 ULTIMATE.start_main_~y~4) (<= ULTIMATE.start_main_~x~4 24) (<= 24 ULTIMATE.start_main_~x~4)), 53520#(and (<= 25 ULTIMATE.start_main_~y~4) (<= ULTIMATE.start_main_~x~4 25) (<= 25 ULTIMATE.start_main_~x~4)), 53521#(and (<= ULTIMATE.start_main_~x~4 25) (<= 26 ULTIMATE.start_main_~y~4) (<= 25 ULTIMATE.start_main_~x~4)), 53522#(and (<= ULTIMATE.start_main_~x~4 26) (<= 26 ULTIMATE.start_main_~y~4) (<= 26 ULTIMATE.start_main_~x~4)), 53523#(and (<= ULTIMATE.start_main_~x~4 26) (<= 27 ULTIMATE.start_main_~y~4) (<= 26 ULTIMATE.start_main_~x~4)), 53524#(and (<= ULTIMATE.start_main_~x~4 27) (<= 27 ULTIMATE.start_main_~y~4) (<= 27 ULTIMATE.start_main_~x~4)), 53525#(and (<= ULTIMATE.start_main_~x~4 27) (<= 27 ULTIMATE.start_main_~x~4) (<= 28 ULTIMATE.start_main_~y~4)), 53526#(and (<= ULTIMATE.start_main_~x~4 28) (<= 28 ULTIMATE.start_main_~y~4) (<= 28 ULTIMATE.start_main_~x~4)), 53527#(and (<= ULTIMATE.start_main_~x~4 28) (<= 29 ULTIMATE.start_main_~y~4) (<= 28 ULTIMATE.start_main_~x~4)), 53528#(and (<= 29 ULTIMATE.start_main_~x~4) (<= 29 ULTIMATE.start_main_~y~4) (<= ULTIMATE.start_main_~x~4 29)), 53529#(and (<= 29 ULTIMATE.start_main_~x~4) (<= 30 ULTIMATE.start_main_~y~4) (<= ULTIMATE.start_main_~x~4 29)), 53530#(and (<= ULTIMATE.start_main_~x~4 30) (<= 30 ULTIMATE.start_main_~y~4) (<= 30 ULTIMATE.start_main_~x~4)), 53531#(and (<= ULTIMATE.start_main_~x~4 30) (<= 31 ULTIMATE.start_main_~y~4) (<= 30 ULTIMATE.start_main_~x~4)), 53532#(and (<= ULTIMATE.start_main_~x~4 31) (<= 31 ULTIMATE.start_main_~y~4) (<= 31 ULTIMATE.start_main_~x~4)), 53533#(and (<= ULTIMATE.start_main_~x~4 31) (<= 32 ULTIMATE.start_main_~y~4) (<= 31 ULTIMATE.start_main_~x~4)), 53534#(and (<= ULTIMATE.start_main_~x~4 32) (<= 32 ULTIMATE.start_main_~y~4) (<= 32 ULTIMATE.start_main_~x~4)), 53535#(and (<= ULTIMATE.start_main_~x~4 32) (<= 33 ULTIMATE.start_main_~y~4) (<= 32 ULTIMATE.start_main_~x~4)), 53536#(and (<= ULTIMATE.start_main_~x~4 33) (<= 33 ULTIMATE.start_main_~y~4) (<= 33 ULTIMATE.start_main_~x~4)), 53537#(and (<= ULTIMATE.start_main_~x~4 33) (<= 33 ULTIMATE.start_main_~x~4) (<= 34 ULTIMATE.start_main_~y~4)), 53538#(and (<= 34 ULTIMATE.start_main_~x~4) (<= ULTIMATE.start_main_~x~4 34) (<= 34 ULTIMATE.start_main_~y~4)), 53539#(and (<= 34 ULTIMATE.start_main_~x~4) (<= ULTIMATE.start_main_~x~4 34) (<= 35 ULTIMATE.start_main_~y~4)), 53540#(and (<= ULTIMATE.start_main_~x~4 35) (<= 35 ULTIMATE.start_main_~y~4) (<= 35 ULTIMATE.start_main_~x~4)), 53541#(and (<= ULTIMATE.start_main_~x~4 35) (<= 35 ULTIMATE.start_main_~x~4) (<= 36 ULTIMATE.start_main_~y~4)), 53542#(and (<= 36 ULTIMATE.start_main_~x~4) (<= ULTIMATE.start_main_~x~4 36) (<= 36 ULTIMATE.start_main_~y~4)), 53543#(and (<= 36 ULTIMATE.start_main_~x~4) (<= 37 ULTIMATE.start_main_~y~4) (<= ULTIMATE.start_main_~x~4 36)), 53544#(and (<= 37 ULTIMATE.start_main_~y~4) (<= ULTIMATE.start_main_~x~4 37) (<= 37 ULTIMATE.start_main_~x~4)), 53545#(and (<= ULTIMATE.start_main_~x~4 37) (<= 38 ULTIMATE.start_main_~y~4) (<= 37 ULTIMATE.start_main_~x~4)), 53546#(and (<= 38 ULTIMATE.start_main_~x~4) (<= ULTIMATE.start_main_~x~4 38) (<= 38 ULTIMATE.start_main_~y~4)), 53547#(and (<= 38 ULTIMATE.start_main_~x~4) (<= 39 ULTIMATE.start_main_~y~4) (<= ULTIMATE.start_main_~x~4 38)), 53548#(and (<= 39 ULTIMATE.start_main_~y~4) (<= ULTIMATE.start_main_~x~4 39) (<= 39 ULTIMATE.start_main_~x~4)), 53549#(and (<= ULTIMATE.start_main_~x~4 39) (<= 39 ULTIMATE.start_main_~x~4) (<= 40 ULTIMATE.start_main_~y~4)), 53550#(and (<= ULTIMATE.start_main_~x~4 40) (<= 40 ULTIMATE.start_main_~x~4) (<= 40 ULTIMATE.start_main_~y~4)), 53551#(and (<= ULTIMATE.start_main_~x~4 40) (<= 40 ULTIMATE.start_main_~x~4) (<= 41 ULTIMATE.start_main_~y~4)), 53552#(and (<= ULTIMATE.start_main_~x~4 41) (<= 41 ULTIMATE.start_main_~x~4) (<= 41 ULTIMATE.start_main_~y~4)), 53553#(and (<= ULTIMATE.start_main_~x~4 41) (<= 41 ULTIMATE.start_main_~x~4) (<= 42 ULTIMATE.start_main_~y~4)), 53554#(and (<= 42 ULTIMATE.start_main_~y~4) (<= ULTIMATE.start_main_~x~4 42) (<= 42 ULTIMATE.start_main_~x~4)), 53555#(and (<= 43 ULTIMATE.start_main_~y~4) (<= ULTIMATE.start_main_~x~4 42) (<= 42 ULTIMATE.start_main_~x~4)), 53556#(and (<= 43 ULTIMATE.start_main_~y~4) (<= ULTIMATE.start_main_~x~4 43) (<= 43 ULTIMATE.start_main_~x~4)), 53557#(and (<= ULTIMATE.start_main_~x~4 43) (<= 44 ULTIMATE.start_main_~y~4) (<= 43 ULTIMATE.start_main_~x~4)), 53558#(and (<= 44 ULTIMATE.start_main_~x~4) (<= ULTIMATE.start_main_~x~4 44) (<= 44 ULTIMATE.start_main_~y~4)), 53559#(and (<= 44 ULTIMATE.start_main_~x~4) (<= ULTIMATE.start_main_~x~4 44) (<= 45 ULTIMATE.start_main_~y~4)), 53560#(and (<= 45 ULTIMATE.start_main_~y~4) (<= 45 ULTIMATE.start_main_~x~4) (<= ULTIMATE.start_main_~x~4 45)), 53561#(and (<= 46 ULTIMATE.start_main_~y~4) (<= 45 ULTIMATE.start_main_~x~4) (<= ULTIMATE.start_main_~x~4 45)), 53562#(and (<= ULTIMATE.start_main_~x~4 46) (<= 46 ULTIMATE.start_main_~x~4) (<= 46 ULTIMATE.start_main_~y~4)), 53563#(and (<= ULTIMATE.start_main_~x~4 46) (<= 47 ULTIMATE.start_main_~y~4) (<= 46 ULTIMATE.start_main_~x~4)), 53564#(and (<= 47 ULTIMATE.start_main_~y~4) (<= 47 ULTIMATE.start_main_~x~4) (<= ULTIMATE.start_main_~x~4 47)), 53565#(and (<= 48 ULTIMATE.start_main_~y~4) (<= 47 ULTIMATE.start_main_~x~4) (<= ULTIMATE.start_main_~x~4 47)), 53566#(and (<= 48 ULTIMATE.start_main_~x~4) (<= 48 ULTIMATE.start_main_~y~4) (<= ULTIMATE.start_main_~x~4 48)), 53567#(and (<= 48 ULTIMATE.start_main_~x~4) (<= 49 ULTIMATE.start_main_~y~4) (<= ULTIMATE.start_main_~x~4 48)), 53568#(and (<= 49 ULTIMATE.start_main_~x~4) (<= 49 ULTIMATE.start_main_~y~4) (<= ULTIMATE.start_main_~x~4 49)), 53569#(and (<= 49 ULTIMATE.start_main_~x~4) (<= 50 ULTIMATE.start_main_~y~4)), 53570#(and (<= 50 ULTIMATE.start_main_~x~4) (<= 50 ULTIMATE.start_main_~y~4)), 53571#(and (<= 50 ULTIMATE.start_main_~x~4) (<= 49 ULTIMATE.start_main_~y~4)), 53572#(and (<= 51 ULTIMATE.start_main_~x~4) (<= 49 ULTIMATE.start_main_~y~4)), 53573#(and (<= 51 ULTIMATE.start_main_~x~4) (<= 48 ULTIMATE.start_main_~y~4)), 53574#(and (<= 52 ULTIMATE.start_main_~x~4) (<= 48 ULTIMATE.start_main_~y~4)), 53575#(and (<= 52 ULTIMATE.start_main_~x~4) (<= 47 ULTIMATE.start_main_~y~4)), 53576#(and (<= 47 ULTIMATE.start_main_~y~4) (<= 53 ULTIMATE.start_main_~x~4)), 53577#(and (<= 53 ULTIMATE.start_main_~x~4) (<= 46 ULTIMATE.start_main_~y~4)), 53578#(and (<= 54 ULTIMATE.start_main_~x~4) (<= 46 ULTIMATE.start_main_~y~4)), 53579#(and (<= 45 ULTIMATE.start_main_~y~4) (<= 54 ULTIMATE.start_main_~x~4)), 53580#(and (<= 45 ULTIMATE.start_main_~y~4) (<= 55 ULTIMATE.start_main_~x~4)), 53581#(and (<= 55 ULTIMATE.start_main_~x~4) (<= 44 ULTIMATE.start_main_~y~4)), 53582#(and (<= 56 ULTIMATE.start_main_~x~4) (<= 44 ULTIMATE.start_main_~y~4)), 53583#(and (<= 56 ULTIMATE.start_main_~x~4) (<= 43 ULTIMATE.start_main_~y~4)), 53584#(and (<= 43 ULTIMATE.start_main_~y~4) (<= 57 ULTIMATE.start_main_~x~4)), 53585#(and (<= 42 ULTIMATE.start_main_~y~4) (<= 57 ULTIMATE.start_main_~x~4)), 53586#(and (<= 58 ULTIMATE.start_main_~x~4) (<= 42 ULTIMATE.start_main_~y~4)), 53587#(and (<= 58 ULTIMATE.start_main_~x~4) (<= 41 ULTIMATE.start_main_~y~4)), 53588#(and (<= 41 ULTIMATE.start_main_~y~4) (<= 59 ULTIMATE.start_main_~x~4)), 53589#(and (<= 40 ULTIMATE.start_main_~y~4) (<= 59 ULTIMATE.start_main_~x~4)), 53590#(and (<= 60 ULTIMATE.start_main_~x~4) (<= 40 ULTIMATE.start_main_~y~4)), 53591#(and (<= 39 ULTIMATE.start_main_~y~4) (<= 60 ULTIMATE.start_main_~x~4)), 53592#(and (<= 61 ULTIMATE.start_main_~x~4) (<= 39 ULTIMATE.start_main_~y~4)), 53593#(and (<= 61 ULTIMATE.start_main_~x~4) (<= 38 ULTIMATE.start_main_~y~4)), 53594#(and (<= 38 ULTIMATE.start_main_~y~4) (<= 62 ULTIMATE.start_main_~x~4)), 53595#(and (<= 37 ULTIMATE.start_main_~y~4) (<= 62 ULTIMATE.start_main_~x~4)), 53596#(and (<= 63 ULTIMATE.start_main_~x~4) (<= 37 ULTIMATE.start_main_~y~4)), 53597#(and (<= 63 ULTIMATE.start_main_~x~4) (<= 36 ULTIMATE.start_main_~y~4)), 53598#(and (<= 64 ULTIMATE.start_main_~x~4) (<= 36 ULTIMATE.start_main_~y~4)), 53599#(and (<= 35 ULTIMATE.start_main_~y~4) (<= 64 ULTIMATE.start_main_~x~4)), 53600#(and (<= 35 ULTIMATE.start_main_~y~4) (<= 65 ULTIMATE.start_main_~x~4)), 53601#(and (<= 34 ULTIMATE.start_main_~y~4) (<= 65 ULTIMATE.start_main_~x~4)), 53602#(and (<= 66 ULTIMATE.start_main_~x~4) (<= 34 ULTIMATE.start_main_~y~4)), 53603#(and (<= 66 ULTIMATE.start_main_~x~4) (<= 33 ULTIMATE.start_main_~y~4)), 53604#(and (<= 67 ULTIMATE.start_main_~x~4) (<= 33 ULTIMATE.start_main_~y~4)), 53605#(and (<= 67 ULTIMATE.start_main_~x~4) (<= 32 ULTIMATE.start_main_~y~4)), 53606#(and (<= 32 ULTIMATE.start_main_~y~4) (<= 68 ULTIMATE.start_main_~x~4)), 53607#(and (<= 31 ULTIMATE.start_main_~y~4) (<= 68 ULTIMATE.start_main_~x~4)), 53608#(and (<= 31 ULTIMATE.start_main_~y~4) (<= 69 ULTIMATE.start_main_~x~4)), 53609#(and (<= 30 ULTIMATE.start_main_~y~4) (<= 69 ULTIMATE.start_main_~x~4)), 53610#(and (<= 70 ULTIMATE.start_main_~x~4) (<= 30 ULTIMATE.start_main_~y~4)), 53611#(and (<= 70 ULTIMATE.start_main_~x~4) (<= 29 ULTIMATE.start_main_~y~4)), 53612#(and (<= 71 ULTIMATE.start_main_~x~4) (<= 29 ULTIMATE.start_main_~y~4)), 53613#(and (<= 71 ULTIMATE.start_main_~x~4) (<= 28 ULTIMATE.start_main_~y~4)), 53614#(and (<= 72 ULTIMATE.start_main_~x~4) (<= 28 ULTIMATE.start_main_~y~4)), 53615#(and (<= 72 ULTIMATE.start_main_~x~4) (<= 27 ULTIMATE.start_main_~y~4)), 53616#(and (<= 27 ULTIMATE.start_main_~y~4) (<= 73 ULTIMATE.start_main_~x~4)), 53617#(and (<= 73 ULTIMATE.start_main_~x~4) (<= 26 ULTIMATE.start_main_~y~4)), 53618#(and (<= 74 ULTIMATE.start_main_~x~4) (<= 26 ULTIMATE.start_main_~y~4)), 53619#(and (<= 74 ULTIMATE.start_main_~x~4) (<= 25 ULTIMATE.start_main_~y~4)), 53620#(and (<= 75 ULTIMATE.start_main_~x~4) (<= 25 ULTIMATE.start_main_~y~4)), 53621#(and (<= 24 ULTIMATE.start_main_~y~4) (<= 75 ULTIMATE.start_main_~x~4)), 53622#(and (<= 24 ULTIMATE.start_main_~y~4) (<= 76 ULTIMATE.start_main_~x~4)), 53623#(and (<= 23 ULTIMATE.start_main_~y~4) (<= 76 ULTIMATE.start_main_~x~4)), 53624#(and (<= 77 ULTIMATE.start_main_~x~4) (<= 23 ULTIMATE.start_main_~y~4)), 53625#(and (<= 77 ULTIMATE.start_main_~x~4) (<= 22 ULTIMATE.start_main_~y~4)), 53626#(and (<= 78 ULTIMATE.start_main_~x~4) (<= 22 ULTIMATE.start_main_~y~4)), 53627#(and (<= 21 ULTIMATE.start_main_~y~4) (<= 78 ULTIMATE.start_main_~x~4)), 53628#(and (<= 79 ULTIMATE.start_main_~x~4) (<= 21 ULTIMATE.start_main_~y~4)), 53629#(and (<= 79 ULTIMATE.start_main_~x~4) (<= 20 ULTIMATE.start_main_~y~4)), 53630#(and (<= 20 ULTIMATE.start_main_~y~4) (<= 80 ULTIMATE.start_main_~x~4)), 53631#(and (<= 19 ULTIMATE.start_main_~y~4) (<= 80 ULTIMATE.start_main_~x~4)), 53632#(and (<= 19 ULTIMATE.start_main_~y~4) (<= 81 ULTIMATE.start_main_~x~4)), 53633#(and (<= 18 ULTIMATE.start_main_~y~4) (<= 81 ULTIMATE.start_main_~x~4)), 53634#(and (<= 18 ULTIMATE.start_main_~y~4) (<= 82 ULTIMATE.start_main_~x~4)), 53635#(and (<= 82 ULTIMATE.start_main_~x~4) (<= 17 ULTIMATE.start_main_~y~4)), 53636#(and (<= 83 ULTIMATE.start_main_~x~4) (<= 17 ULTIMATE.start_main_~y~4)), 53637#(and (<= 83 ULTIMATE.start_main_~x~4) (<= 16 ULTIMATE.start_main_~y~4)), 53638#(and (<= 16 ULTIMATE.start_main_~y~4) (<= 84 ULTIMATE.start_main_~x~4)), 53639#(and (<= 84 ULTIMATE.start_main_~x~4) (<= 15 ULTIMATE.start_main_~y~4)), 53640#(and (<= 85 ULTIMATE.start_main_~x~4) (<= 15 ULTIMATE.start_main_~y~4)), 53641#(and (<= 14 ULTIMATE.start_main_~y~4) (<= 85 ULTIMATE.start_main_~x~4)), 53642#(and (<= 14 ULTIMATE.start_main_~y~4) (<= 86 ULTIMATE.start_main_~x~4)), 53643#(and (<= 13 ULTIMATE.start_main_~y~4) (<= 86 ULTIMATE.start_main_~x~4)), 53644#(and (<= 13 ULTIMATE.start_main_~y~4) (<= 87 ULTIMATE.start_main_~x~4)), 53645#(and (<= 12 ULTIMATE.start_main_~y~4) (<= 87 ULTIMATE.start_main_~x~4)), 53646#(and (<= 12 ULTIMATE.start_main_~y~4) (<= 88 ULTIMATE.start_main_~x~4)), 53647#(and (<= 88 ULTIMATE.start_main_~x~4) (<= 11 ULTIMATE.start_main_~y~4)), 53648#(and (<= 89 ULTIMATE.start_main_~x~4) (<= 11 ULTIMATE.start_main_~y~4)), 53649#(and (<= 89 ULTIMATE.start_main_~x~4) (<= 10 ULTIMATE.start_main_~y~4)), 53650#(and (<= 90 ULTIMATE.start_main_~x~4) (<= 10 ULTIMATE.start_main_~y~4)), 53651#(and (<= 90 ULTIMATE.start_main_~x~4) (<= 9 ULTIMATE.start_main_~y~4)), 53652#(and (<= 91 ULTIMATE.start_main_~x~4) (<= 9 ULTIMATE.start_main_~y~4)), 53653#(and (<= 91 ULTIMATE.start_main_~x~4) (<= 8 ULTIMATE.start_main_~y~4)), 53654#(and (<= 8 ULTIMATE.start_main_~y~4) (<= 92 ULTIMATE.start_main_~x~4)), 53655#(and (<= 7 ULTIMATE.start_main_~y~4) (<= 92 ULTIMATE.start_main_~x~4)), 53656#(and (<= 7 ULTIMATE.start_main_~y~4) (<= 93 ULTIMATE.start_main_~x~4)), 53657#(and (<= 6 ULTIMATE.start_main_~y~4) (<= 93 ULTIMATE.start_main_~x~4)), 53658#(and (<= 6 ULTIMATE.start_main_~y~4) (<= 94 ULTIMATE.start_main_~x~4)), 53659#(and (<= 5 ULTIMATE.start_main_~y~4) (<= 94 ULTIMATE.start_main_~x~4)), 53660#(and (<= 5 ULTIMATE.start_main_~y~4) (<= 95 ULTIMATE.start_main_~x~4)), 53661#(and (<= 4 ULTIMATE.start_main_~y~4) (<= 95 ULTIMATE.start_main_~x~4)), 53662#(and (<= 4 ULTIMATE.start_main_~y~4) (<= 96 ULTIMATE.start_main_~x~4)), 53663#(and (<= 3 ULTIMATE.start_main_~y~4) (<= 96 ULTIMATE.start_main_~x~4)), 53664#(and (<= 3 ULTIMATE.start_main_~y~4) (<= 97 ULTIMATE.start_main_~x~4)), 53665#(and (<= 97 ULTIMATE.start_main_~x~4) (<= 2 ULTIMATE.start_main_~y~4)), 53666#(and (<= 2 ULTIMATE.start_main_~y~4) (<= 98 ULTIMATE.start_main_~x~4)), 53667#(<= 1 ULTIMATE.start_main_~y~4), 53668#(<= 0 ULTIMATE.start_main_~y~4)] [2018-07-23 13:42:51,641 INFO L134 CoverageAnalysis]: Checked inductivity of 9900 backedges. 0 proven. 9900 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2018-07-23 13:42:51,641 INFO L450 AbstractCegarLoop]: Interpolant automaton has 201 states [2018-07-23 13:42:51,641 INFO L132 InterpolantAutomaton]: Constructing interpolant automaton starting with 201 interpolants. [2018-07-23 13:42:51,643 INFO L133 InterpolantAutomaton]: CoverageRelationStatistics Valid=939, Invalid=39261, Unknown=0, NotChecked=0, Total=40200 [2018-07-23 13:42:51,643 INFO L87 Difference]: Start difference. First operand 203 states and 203 transitions. Second operand 201 states. [2018-07-23 13:42:53,148 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2018-07-23 13:42:53,148 INFO L93 Difference]: Finished difference Result 207 states and 207 transitions. [2018-07-23 13:42:53,148 INFO L142 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 201 states. [2018-07-23 13:42:53,149 INFO L78 Accepts]: Start accepts. Automaton has 201 states. Word has length 202 [2018-07-23 13:42:53,149 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2018-07-23 13:42:53,150 INFO L225 Difference]: With dead ends: 207 [2018-07-23 13:42:53,150 INFO L226 Difference]: Without dead ends: 205 [2018-07-23 13:42:53,153 INFO L575 BasicCegarLoop]: 0 DeclaredPredicates, 202 GetRequests, 1 SyntacticMatches, 1 SemanticMatches, 200 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 12542 ImplicationChecksByTransitivity, 1.2s TimeCoverageRelationStatistics Valid=945, Invalid=39657, Unknown=0, NotChecked=0, Total=40602 [2018-07-23 13:42:53,153 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 205 states. [2018-07-23 13:42:53,191 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 205 to 205. [2018-07-23 13:42:53,191 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 205 states. [2018-07-23 13:42:53,192 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 205 states to 205 states and 205 transitions. [2018-07-23 13:42:53,192 INFO L78 Accepts]: Start accepts. Automaton has 205 states and 205 transitions. Word has length 202 [2018-07-23 13:42:53,192 INFO L84 Accepts]: Finished accepts. word is rejected. [2018-07-23 13:42:53,192 INFO L471 AbstractCegarLoop]: Abstraction has 205 states and 205 transitions. [2018-07-23 13:42:53,192 INFO L472 AbstractCegarLoop]: Interpolant automaton has 201 states. [2018-07-23 13:42:53,192 INFO L276 IsEmpty]: Start isEmpty. Operand 205 states and 205 transitions. [2018-07-23 13:42:53,193 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 205 [2018-07-23 13:42:53,193 INFO L349 BasicCegarLoop]: Found error trace [2018-07-23 13:42:53,193 INFO L357 BasicCegarLoop]: trace histogram [101, 100, 1, 1, 1] [2018-07-23 13:42:53,194 INFO L414 AbstractCegarLoop]: === Iteration 101 === [ULTIMATE.startErr0AssertViolationASSERT]=== [2018-07-23 13:42:53,194 INFO L82 PathProgramCache]: Analyzing trace with hash -1627514352, now seen corresponding path program 100 times [2018-07-23 13:42:53,194 INFO L69 tionRefinementEngine]: Using refinement strategy FixedRefinementStrategy [2018-07-23 13:42:53,230 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-07-23 13:42:54,113 INFO L134 CoverageAnalysis]: Checked inductivity of 10100 backedges. 0 proven. 10100 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2018-07-23 13:42:54,113 INFO L309 seRefinementStrategy]: Constructing automaton from 0 perfect and 1 imperfect interpolant sequences. [2018-07-23 13:42:54,113 INFO L324 seRefinementStrategy]: Number of different interpolants: perfect sequences [] imperfect sequences [102] total 102 [2018-07-23 13:42:54,114 INFO L142 lantAutomatonBuilder]: Constructing canonical interpolant automaton, with selfloop in false state [2018-07-23 13:42:54,114 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2018-07-23 13:42:54,115 INFO L185 omatonBuilderFactory]: Interpolants [54528#(and (<= ULTIMATE.start_main_~x~4 31) (<= 31 ULTIMATE.start_main_~x~4)), 54529#(and (<= ULTIMATE.start_main_~x~4 32) (<= 32 ULTIMATE.start_main_~x~4)), 54530#(and (<= ULTIMATE.start_main_~x~4 33) (<= 33 ULTIMATE.start_main_~x~4)), 54531#(and (<= 34 ULTIMATE.start_main_~x~4) (<= ULTIMATE.start_main_~x~4 34)), 54532#(and (<= ULTIMATE.start_main_~x~4 35) (<= 35 ULTIMATE.start_main_~x~4)), 54533#(and (<= 36 ULTIMATE.start_main_~x~4) (<= ULTIMATE.start_main_~x~4 36)), 54534#(and (<= ULTIMATE.start_main_~x~4 37) (<= 37 ULTIMATE.start_main_~x~4)), 54535#(and (<= 38 ULTIMATE.start_main_~x~4) (<= ULTIMATE.start_main_~x~4 38)), 54536#(and (<= ULTIMATE.start_main_~x~4 39) (<= 39 ULTIMATE.start_main_~x~4)), 54537#(and (<= ULTIMATE.start_main_~x~4 40) (<= 40 ULTIMATE.start_main_~x~4)), 54538#(and (<= ULTIMATE.start_main_~x~4 41) (<= 41 ULTIMATE.start_main_~x~4)), 54539#(and (<= ULTIMATE.start_main_~x~4 42) (<= 42 ULTIMATE.start_main_~x~4)), 54540#(and (<= ULTIMATE.start_main_~x~4 43) (<= 43 ULTIMATE.start_main_~x~4)), 54541#(and (<= 44 ULTIMATE.start_main_~x~4) (<= ULTIMATE.start_main_~x~4 44)), 54542#(and (<= 45 ULTIMATE.start_main_~x~4) (<= ULTIMATE.start_main_~x~4 45)), 54543#(and (<= ULTIMATE.start_main_~x~4 46) (<= 46 ULTIMATE.start_main_~x~4)), 54544#(and (<= 47 ULTIMATE.start_main_~x~4) (<= ULTIMATE.start_main_~x~4 47)), 54545#(and (<= 48 ULTIMATE.start_main_~x~4) (<= ULTIMATE.start_main_~x~4 48)), 54546#(and (<= 49 ULTIMATE.start_main_~x~4) (<= ULTIMATE.start_main_~x~4 49)), 54547#(and (<= ULTIMATE.start_main_~x~4 50) (<= 50 ULTIMATE.start_main_~x~4)), 54548#(and (<= 51 ULTIMATE.start_main_~x~4) (<= ULTIMATE.start_main_~x~4 51)), 54549#(and (<= ULTIMATE.start_main_~x~4 52) (<= 52 ULTIMATE.start_main_~x~4)), 54550#(and (<= 53 ULTIMATE.start_main_~x~4) (<= ULTIMATE.start_main_~x~4 53)), 54551#(and (<= ULTIMATE.start_main_~x~4 54) (<= 54 ULTIMATE.start_main_~x~4)), 54552#(and (<= 55 ULTIMATE.start_main_~x~4) (<= ULTIMATE.start_main_~x~4 55)), 54553#(and (<= 56 ULTIMATE.start_main_~x~4) (<= ULTIMATE.start_main_~x~4 56)), 54554#(and (<= 57 ULTIMATE.start_main_~x~4) (<= ULTIMATE.start_main_~x~4 57)), 54555#(and (<= 58 ULTIMATE.start_main_~x~4) (<= ULTIMATE.start_main_~x~4 58)), 54556#(and (<= ULTIMATE.start_main_~x~4 59) (<= 59 ULTIMATE.start_main_~x~4)), 54557#(and (<= 60 ULTIMATE.start_main_~x~4) (<= ULTIMATE.start_main_~x~4 60)), 54558#(and (<= 61 ULTIMATE.start_main_~x~4) (<= ULTIMATE.start_main_~x~4 61)), 54559#(and (<= ULTIMATE.start_main_~x~4 62) (<= 62 ULTIMATE.start_main_~x~4)), 54560#(and (<= 63 ULTIMATE.start_main_~x~4) (<= ULTIMATE.start_main_~x~4 63)), 54561#(and (<= ULTIMATE.start_main_~x~4 64) (<= 64 ULTIMATE.start_main_~x~4)), 54562#(and (<= 65 ULTIMATE.start_main_~x~4) (<= ULTIMATE.start_main_~x~4 65)), 54563#(and (<= 66 ULTIMATE.start_main_~x~4) (<= ULTIMATE.start_main_~x~4 66)), 54564#(and (<= 67 ULTIMATE.start_main_~x~4) (<= ULTIMATE.start_main_~x~4 67)), 54565#(and (<= ULTIMATE.start_main_~x~4 68) (<= 68 ULTIMATE.start_main_~x~4)), 54566#(and (<= 69 ULTIMATE.start_main_~x~4) (<= ULTIMATE.start_main_~x~4 69)), 54567#(and (<= ULTIMATE.start_main_~x~4 70) (<= 70 ULTIMATE.start_main_~x~4)), 54568#(and (<= 71 ULTIMATE.start_main_~x~4) (<= ULTIMATE.start_main_~x~4 71)), 54569#(and (<= 72 ULTIMATE.start_main_~x~4) (<= ULTIMATE.start_main_~x~4 72)), 54570#(and (<= ULTIMATE.start_main_~x~4 73) (<= 73 ULTIMATE.start_main_~x~4)), 54571#(and (<= 74 ULTIMATE.start_main_~x~4) (<= ULTIMATE.start_main_~x~4 74)), 54572#(and (<= ULTIMATE.start_main_~x~4 75) (<= 75 ULTIMATE.start_main_~x~4)), 54573#(and (<= ULTIMATE.start_main_~x~4 76) (<= 76 ULTIMATE.start_main_~x~4)), 54574#(and (<= ULTIMATE.start_main_~x~4 77) (<= 77 ULTIMATE.start_main_~x~4)), 54575#(and (<= ULTIMATE.start_main_~x~4 78) (<= 78 ULTIMATE.start_main_~x~4)), 54576#(and (<= 79 ULTIMATE.start_main_~x~4) (<= ULTIMATE.start_main_~x~4 79)), 54577#(and (<= ULTIMATE.start_main_~x~4 80) (<= 80 ULTIMATE.start_main_~x~4)), 54578#(and (<= ULTIMATE.start_main_~x~4 81) (<= 81 ULTIMATE.start_main_~x~4)), 54579#(and (<= ULTIMATE.start_main_~x~4 82) (<= 82 ULTIMATE.start_main_~x~4)), 54580#(and (<= 83 ULTIMATE.start_main_~x~4) (<= ULTIMATE.start_main_~x~4 83)), 54581#(and (<= ULTIMATE.start_main_~x~4 84) (<= 84 ULTIMATE.start_main_~x~4)), 54582#(and (<= 85 ULTIMATE.start_main_~x~4) (<= ULTIMATE.start_main_~x~4 85)), 54583#(and (<= 86 ULTIMATE.start_main_~x~4) (<= ULTIMATE.start_main_~x~4 86)), 54584#(and (<= ULTIMATE.start_main_~x~4 87) (<= 87 ULTIMATE.start_main_~x~4)), 54585#(and (<= 88 ULTIMATE.start_main_~x~4) (<= ULTIMATE.start_main_~x~4 88)), 54586#(and (<= ULTIMATE.start_main_~x~4 89) (<= 89 ULTIMATE.start_main_~x~4)), 54587#(and (<= ULTIMATE.start_main_~x~4 90) (<= 90 ULTIMATE.start_main_~x~4)), 54588#(and (<= ULTIMATE.start_main_~x~4 91) (<= 91 ULTIMATE.start_main_~x~4)), 54589#(and (<= ULTIMATE.start_main_~x~4 92) (<= 92 ULTIMATE.start_main_~x~4)), 54590#(and (<= ULTIMATE.start_main_~x~4 93) (<= 93 ULTIMATE.start_main_~x~4)), 54591#(and (<= ULTIMATE.start_main_~x~4 94) (<= 94 ULTIMATE.start_main_~x~4)), 54592#(and (<= 95 ULTIMATE.start_main_~x~4) (<= ULTIMATE.start_main_~x~4 95)), 54593#(and (<= ULTIMATE.start_main_~x~4 96) (<= 96 ULTIMATE.start_main_~x~4)), 54594#(and (<= 97 ULTIMATE.start_main_~x~4) (<= ULTIMATE.start_main_~x~4 97)), 54595#(and (<= ULTIMATE.start_main_~x~4 98) (<= 98 ULTIMATE.start_main_~x~4)), 54596#(and (<= 99 ULTIMATE.start_main_~x~4) (<= ULTIMATE.start_main_~x~4 99)), 54597#(and (<= ULTIMATE.start_main_~x~4 100) (<= 100 ULTIMATE.start_main_~x~4)), 54495#true, 54496#false, 54497#(and (<= ULTIMATE.start_main_~x~4 0) (<= 0 ULTIMATE.start_main_~x~4)), 54498#(and (<= ULTIMATE.start_main_~x~4 1) (<= 1 ULTIMATE.start_main_~x~4)), 54499#(and (<= 2 ULTIMATE.start_main_~x~4) (<= ULTIMATE.start_main_~x~4 2)), 54500#(and (<= 3 ULTIMATE.start_main_~x~4) (<= ULTIMATE.start_main_~x~4 3)), 54501#(and (<= ULTIMATE.start_main_~x~4 4) (<= 4 ULTIMATE.start_main_~x~4)), 54502#(and (<= ULTIMATE.start_main_~x~4 5) (<= 5 ULTIMATE.start_main_~x~4)), 54503#(and (<= 6 ULTIMATE.start_main_~x~4) (<= ULTIMATE.start_main_~x~4 6)), 54504#(and (<= ULTIMATE.start_main_~x~4 7) (<= 7 ULTIMATE.start_main_~x~4)), 54505#(and (<= ULTIMATE.start_main_~x~4 8) (<= 8 ULTIMATE.start_main_~x~4)), 54506#(and (<= 9 ULTIMATE.start_main_~x~4) (<= ULTIMATE.start_main_~x~4 9)), 54507#(and (<= ULTIMATE.start_main_~x~4 10) (<= 10 ULTIMATE.start_main_~x~4)), 54508#(and (<= ULTIMATE.start_main_~x~4 11) (<= 11 ULTIMATE.start_main_~x~4)), 54509#(and (<= 12 ULTIMATE.start_main_~x~4) (<= ULTIMATE.start_main_~x~4 12)), 54510#(and (<= ULTIMATE.start_main_~x~4 13) (<= 13 ULTIMATE.start_main_~x~4)), 54511#(and (<= 14 ULTIMATE.start_main_~x~4) (<= ULTIMATE.start_main_~x~4 14)), 54512#(and (<= 15 ULTIMATE.start_main_~x~4) (<= ULTIMATE.start_main_~x~4 15)), 54513#(and (<= ULTIMATE.start_main_~x~4 16) (<= 16 ULTIMATE.start_main_~x~4)), 54514#(and (<= ULTIMATE.start_main_~x~4 17) (<= 17 ULTIMATE.start_main_~x~4)), 54515#(and (<= 18 ULTIMATE.start_main_~x~4) (<= ULTIMATE.start_main_~x~4 18)), 54516#(and (<= 19 ULTIMATE.start_main_~x~4) (<= ULTIMATE.start_main_~x~4 19)), 54517#(and (<= 20 ULTIMATE.start_main_~x~4) (<= ULTIMATE.start_main_~x~4 20)), 54518#(and (<= ULTIMATE.start_main_~x~4 21) (<= 21 ULTIMATE.start_main_~x~4)), 54519#(and (<= ULTIMATE.start_main_~x~4 22) (<= 22 ULTIMATE.start_main_~x~4)), 54520#(and (<= ULTIMATE.start_main_~x~4 23) (<= 23 ULTIMATE.start_main_~x~4)), 54521#(and (<= ULTIMATE.start_main_~x~4 24) (<= 24 ULTIMATE.start_main_~x~4)), 54522#(and (<= ULTIMATE.start_main_~x~4 25) (<= 25 ULTIMATE.start_main_~x~4)), 54523#(and (<= ULTIMATE.start_main_~x~4 26) (<= 26 ULTIMATE.start_main_~x~4)), 54524#(and (<= ULTIMATE.start_main_~x~4 27) (<= 27 ULTIMATE.start_main_~x~4)), 54525#(and (<= ULTIMATE.start_main_~x~4 28) (<= 28 ULTIMATE.start_main_~x~4)), 54526#(and (<= 29 ULTIMATE.start_main_~x~4) (<= ULTIMATE.start_main_~x~4 29)), 54527#(and (<= ULTIMATE.start_main_~x~4 30) (<= 30 ULTIMATE.start_main_~x~4))] [2018-07-23 13:42:54,115 INFO L134 CoverageAnalysis]: Checked inductivity of 10100 backedges. 0 proven. 10100 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2018-07-23 13:42:54,116 INFO L450 AbstractCegarLoop]: Interpolant automaton has 103 states [2018-07-23 13:42:54,116 INFO L132 InterpolantAutomaton]: Constructing interpolant automaton starting with 103 interpolants. [2018-07-23 13:42:54,117 INFO L133 InterpolantAutomaton]: CoverageRelationStatistics Valid=203, Invalid=10303, Unknown=0, NotChecked=0, Total=10506 [2018-07-23 13:42:54,117 INFO L87 Difference]: Start difference. First operand 205 states and 205 transitions. Second operand 103 states. [2018-07-23 13:42:56,231 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2018-07-23 13:42:56,232 INFO L93 Difference]: Finished difference Result 209 states and 209 transitions. [2018-07-23 13:42:56,232 INFO L142 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 103 states. [2018-07-23 13:42:56,232 INFO L78 Accepts]: Start accepts. Automaton has 103 states. Word has length 204 [2018-07-23 13:42:56,232 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2018-07-23 13:42:56,233 INFO L225 Difference]: With dead ends: 209 [2018-07-23 13:42:56,233 INFO L226 Difference]: Without dead ends: 207 [2018-07-23 13:42:56,234 INFO L575 BasicCegarLoop]: 0 DeclaredPredicates, 102 GetRequests, 1 SyntacticMatches, 0 SemanticMatches, 101 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 0 ImplicationChecksByTransitivity, 0.6s TimeCoverageRelationStatistics Valid=203, Invalid=10303, Unknown=0, NotChecked=0, Total=10506 [2018-07-23 13:42:56,234 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 207 states. [2018-07-23 13:42:56,297 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 207 to 207. [2018-07-23 13:42:56,298 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 207 states. [2018-07-23 13:42:56,298 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 207 states to 207 states and 207 transitions. [2018-07-23 13:42:56,298 INFO L78 Accepts]: Start accepts. Automaton has 207 states and 207 transitions. Word has length 204 [2018-07-23 13:42:56,298 INFO L84 Accepts]: Finished accepts. word is rejected. [2018-07-23 13:42:56,298 INFO L471 AbstractCegarLoop]: Abstraction has 207 states and 207 transitions. [2018-07-23 13:42:56,299 INFO L472 AbstractCegarLoop]: Interpolant automaton has 103 states. [2018-07-23 13:42:56,299 INFO L276 IsEmpty]: Start isEmpty. Operand 207 states and 207 transitions. [2018-07-23 13:42:56,300 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 207 [2018-07-23 13:42:56,300 INFO L349 BasicCegarLoop]: Found error trace [2018-07-23 13:42:56,300 INFO L357 BasicCegarLoop]: trace histogram [102, 101, 1, 1, 1] [2018-07-23 13:42:56,300 INFO L414 AbstractCegarLoop]: === Iteration 102 === [ULTIMATE.startErr0AssertViolationASSERT]=== [2018-07-23 13:42:56,300 INFO L82 PathProgramCache]: Analyzing trace with hash -673132746, now seen corresponding path program 101 times [2018-07-23 13:42:56,301 INFO L69 tionRefinementEngine]: Using refinement strategy FixedRefinementStrategy [2018-07-23 13:42:56,343 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-07-23 13:42:58,504 INFO L134 CoverageAnalysis]: Checked inductivity of 10302 backedges. 2752 proven. 7550 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2018-07-23 13:42:58,505 INFO L309 seRefinementStrategy]: Constructing automaton from 0 perfect and 1 imperfect interpolant sequences. [2018-07-23 13:42:58,505 INFO L324 seRefinementStrategy]: Number of different interpolants: perfect sequences [] imperfect sequences [203] total 203 [2018-07-23 13:42:58,505 INFO L142 lantAutomatonBuilder]: Constructing canonical interpolant automaton, with selfloop in false state [2018-07-23 13:42:58,505 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2018-07-23 13:42:58,506 INFO L185 omatonBuilderFactory]: Interpolants [55430#true, 55431#false, 55432#(and (<= ULTIMATE.start_main_~y~4 0) (<= ULTIMATE.start_main_~x~4 0) (<= 0 ULTIMATE.start_main_~x~4)), 55433#(and (<= ULTIMATE.start_main_~x~4 0) (<= 0 ULTIMATE.start_main_~x~4) (<= ULTIMATE.start_main_~y~4 1)), 55434#(and (<= ULTIMATE.start_main_~x~4 1) (<= ULTIMATE.start_main_~y~4 1) (<= 1 ULTIMATE.start_main_~x~4)), 55435#(and (<= ULTIMATE.start_main_~y~4 2) (<= ULTIMATE.start_main_~x~4 1) (<= 1 ULTIMATE.start_main_~x~4)), 55436#(and (<= ULTIMATE.start_main_~y~4 2) (<= 2 ULTIMATE.start_main_~x~4) (<= ULTIMATE.start_main_~x~4 2)), 55437#(and (<= ULTIMATE.start_main_~y~4 3) (<= 2 ULTIMATE.start_main_~x~4) (<= ULTIMATE.start_main_~x~4 2)), 55438#(and (<= 3 ULTIMATE.start_main_~x~4) (<= ULTIMATE.start_main_~y~4 3) (<= ULTIMATE.start_main_~x~4 3)), 55439#(and (<= 3 ULTIMATE.start_main_~x~4) (<= ULTIMATE.start_main_~x~4 3) (<= ULTIMATE.start_main_~y~4 4)), 55440#(and (<= ULTIMATE.start_main_~x~4 4) (<= 4 ULTIMATE.start_main_~x~4) (<= ULTIMATE.start_main_~y~4 4)), 55441#(and (<= ULTIMATE.start_main_~y~4 5) (<= ULTIMATE.start_main_~x~4 4) (<= 4 ULTIMATE.start_main_~x~4)), 55442#(and (<= ULTIMATE.start_main_~x~4 5) (<= ULTIMATE.start_main_~y~4 5) (<= 5 ULTIMATE.start_main_~x~4)), 55443#(and (<= ULTIMATE.start_main_~x~4 5) (<= ULTIMATE.start_main_~y~4 6) (<= 5 ULTIMATE.start_main_~x~4)), 55444#(and (<= 6 ULTIMATE.start_main_~x~4) (<= ULTIMATE.start_main_~y~4 6) (<= ULTIMATE.start_main_~x~4 6)), 55445#(and (<= ULTIMATE.start_main_~y~4 7) (<= 6 ULTIMATE.start_main_~x~4) (<= ULTIMATE.start_main_~x~4 6)), 55446#(and (<= ULTIMATE.start_main_~x~4 7) (<= ULTIMATE.start_main_~y~4 7) (<= 7 ULTIMATE.start_main_~x~4)), 55447#(and (<= ULTIMATE.start_main_~x~4 7) (<= 7 ULTIMATE.start_main_~x~4) (<= ULTIMATE.start_main_~y~4 8)), 55448#(and (<= ULTIMATE.start_main_~x~4 8) (<= ULTIMATE.start_main_~y~4 8) (<= 8 ULTIMATE.start_main_~x~4)), 55449#(and (<= ULTIMATE.start_main_~y~4 9) (<= ULTIMATE.start_main_~x~4 8) (<= 8 ULTIMATE.start_main_~x~4)), 55450#(and (<= ULTIMATE.start_main_~y~4 9) (<= 9 ULTIMATE.start_main_~x~4) (<= ULTIMATE.start_main_~x~4 9)), 55451#(and (<= ULTIMATE.start_main_~y~4 10) (<= 9 ULTIMATE.start_main_~x~4) (<= ULTIMATE.start_main_~x~4 9)), 55452#(and (<= ULTIMATE.start_main_~y~4 10) (<= ULTIMATE.start_main_~x~4 10) (<= 10 ULTIMATE.start_main_~x~4)), 55453#(and (<= ULTIMATE.start_main_~x~4 10) (<= ULTIMATE.start_main_~y~4 11) (<= 10 ULTIMATE.start_main_~x~4)), 55454#(and (<= ULTIMATE.start_main_~x~4 11) (<= 11 ULTIMATE.start_main_~x~4) (<= ULTIMATE.start_main_~y~4 11)), 55455#(and (<= ULTIMATE.start_main_~x~4 11) (<= 11 ULTIMATE.start_main_~x~4) (<= ULTIMATE.start_main_~y~4 12)), 55456#(and (<= 12 ULTIMATE.start_main_~x~4) (<= ULTIMATE.start_main_~y~4 12) (<= ULTIMATE.start_main_~x~4 12)), 55457#(and (<= 12 ULTIMATE.start_main_~x~4) (<= ULTIMATE.start_main_~y~4 13) (<= ULTIMATE.start_main_~x~4 12)), 55458#(and (<= ULTIMATE.start_main_~y~4 13) (<= ULTIMATE.start_main_~x~4 13) (<= 13 ULTIMATE.start_main_~x~4)), 55459#(and (<= ULTIMATE.start_main_~x~4 13) (<= 13 ULTIMATE.start_main_~x~4) (<= ULTIMATE.start_main_~y~4 14)), 55460#(and (<= 14 ULTIMATE.start_main_~x~4) (<= ULTIMATE.start_main_~x~4 14) (<= ULTIMATE.start_main_~y~4 14)), 55461#(and (<= ULTIMATE.start_main_~y~4 15) (<= 14 ULTIMATE.start_main_~x~4) (<= ULTIMATE.start_main_~x~4 14)), 55462#(and (<= ULTIMATE.start_main_~y~4 15) (<= 15 ULTIMATE.start_main_~x~4) (<= ULTIMATE.start_main_~x~4 15)), 55463#(and (<= 15 ULTIMATE.start_main_~x~4) (<= ULTIMATE.start_main_~y~4 16) (<= ULTIMATE.start_main_~x~4 15)), 55464#(and (<= ULTIMATE.start_main_~x~4 16) (<= 16 ULTIMATE.start_main_~x~4) (<= ULTIMATE.start_main_~y~4 16)), 55465#(and (<= ULTIMATE.start_main_~x~4 16) (<= 16 ULTIMATE.start_main_~x~4) (<= ULTIMATE.start_main_~y~4 17)), 55466#(and (<= ULTIMATE.start_main_~x~4 17) (<= ULTIMATE.start_main_~y~4 17) (<= 17 ULTIMATE.start_main_~x~4)), 55467#(and (<= ULTIMATE.start_main_~x~4 17) (<= ULTIMATE.start_main_~y~4 18) (<= 17 ULTIMATE.start_main_~x~4)), 55468#(and (<= 18 ULTIMATE.start_main_~x~4) (<= ULTIMATE.start_main_~x~4 18) (<= ULTIMATE.start_main_~y~4 18)), 55469#(and (<= 18 ULTIMATE.start_main_~x~4) (<= ULTIMATE.start_main_~x~4 18) (<= ULTIMATE.start_main_~y~4 19)), 55470#(and (<= 19 ULTIMATE.start_main_~x~4) (<= ULTIMATE.start_main_~y~4 19) (<= ULTIMATE.start_main_~x~4 19)), 55471#(and (<= 19 ULTIMATE.start_main_~x~4) (<= ULTIMATE.start_main_~x~4 19) (<= ULTIMATE.start_main_~y~4 20)), 55472#(and (<= 20 ULTIMATE.start_main_~x~4) (<= ULTIMATE.start_main_~x~4 20) (<= ULTIMATE.start_main_~y~4 20)), 55473#(and (<= 20 ULTIMATE.start_main_~x~4) (<= ULTIMATE.start_main_~x~4 20) (<= ULTIMATE.start_main_~y~4 21)), 55474#(and (<= ULTIMATE.start_main_~x~4 21) (<= 21 ULTIMATE.start_main_~x~4) (<= ULTIMATE.start_main_~y~4 21)), 55475#(and (<= ULTIMATE.start_main_~x~4 21) (<= ULTIMATE.start_main_~y~4 22) (<= 21 ULTIMATE.start_main_~x~4)), 55476#(and (<= ULTIMATE.start_main_~y~4 22) (<= ULTIMATE.start_main_~x~4 22) (<= 22 ULTIMATE.start_main_~x~4)), 55477#(and (<= ULTIMATE.start_main_~y~4 23) (<= ULTIMATE.start_main_~x~4 22) (<= 22 ULTIMATE.start_main_~x~4)), 55478#(and (<= ULTIMATE.start_main_~x~4 23) (<= 23 ULTIMATE.start_main_~x~4) (<= ULTIMATE.start_main_~y~4 23)), 55479#(and (<= ULTIMATE.start_main_~x~4 23) (<= 23 ULTIMATE.start_main_~x~4) (<= ULTIMATE.start_main_~y~4 24)), 55480#(and (<= ULTIMATE.start_main_~x~4 24) (<= 24 ULTIMATE.start_main_~x~4) (<= ULTIMATE.start_main_~y~4 24)), 55481#(and (<= ULTIMATE.start_main_~x~4 24) (<= ULTIMATE.start_main_~y~4 25) (<= 24 ULTIMATE.start_main_~x~4)), 55482#(and (<= ULTIMATE.start_main_~y~4 25) (<= ULTIMATE.start_main_~x~4 25) (<= 25 ULTIMATE.start_main_~x~4)), 55483#(and (<= ULTIMATE.start_main_~y~4 26) (<= ULTIMATE.start_main_~x~4 25) (<= 25 ULTIMATE.start_main_~x~4)), 55484#(and (<= ULTIMATE.start_main_~x~4 26) (<= ULTIMATE.start_main_~y~4 26) (<= 26 ULTIMATE.start_main_~x~4)), 55485#(and (<= ULTIMATE.start_main_~y~4 27) (<= ULTIMATE.start_main_~x~4 26) (<= 26 ULTIMATE.start_main_~x~4)), 55486#(and (<= ULTIMATE.start_main_~y~4 27) (<= ULTIMATE.start_main_~x~4 27) (<= 27 ULTIMATE.start_main_~x~4)), 55487#(and (<= ULTIMATE.start_main_~x~4 27) (<= ULTIMATE.start_main_~y~4 28) (<= 27 ULTIMATE.start_main_~x~4)), 55488#(and (<= ULTIMATE.start_main_~y~4 28) (<= ULTIMATE.start_main_~x~4 28) (<= 28 ULTIMATE.start_main_~x~4)), 55489#(and (<= ULTIMATE.start_main_~x~4 28) (<= ULTIMATE.start_main_~y~4 29) (<= 28 ULTIMATE.start_main_~x~4)), 55490#(and (<= 29 ULTIMATE.start_main_~x~4) (<= ULTIMATE.start_main_~y~4 29) (<= ULTIMATE.start_main_~x~4 29)), 55491#(and (<= ULTIMATE.start_main_~y~4 30) (<= 29 ULTIMATE.start_main_~x~4) (<= ULTIMATE.start_main_~x~4 29)), 55492#(and (<= ULTIMATE.start_main_~y~4 30) (<= ULTIMATE.start_main_~x~4 30) (<= 30 ULTIMATE.start_main_~x~4)), 55493#(and (<= ULTIMATE.start_main_~x~4 30) (<= 30 ULTIMATE.start_main_~x~4) (<= ULTIMATE.start_main_~y~4 31)), 55494#(and (<= ULTIMATE.start_main_~x~4 31) (<= ULTIMATE.start_main_~y~4 31) (<= 31 ULTIMATE.start_main_~x~4)), 55495#(and (<= ULTIMATE.start_main_~x~4 31) (<= 31 ULTIMATE.start_main_~x~4) (<= ULTIMATE.start_main_~y~4 32)), 55496#(and (<= ULTIMATE.start_main_~x~4 32) (<= 32 ULTIMATE.start_main_~x~4) (<= ULTIMATE.start_main_~y~4 32)), 55497#(and (<= ULTIMATE.start_main_~x~4 32) (<= 32 ULTIMATE.start_main_~x~4) (<= ULTIMATE.start_main_~y~4 33)), 55498#(and (<= ULTIMATE.start_main_~x~4 33) (<= 33 ULTIMATE.start_main_~x~4) (<= ULTIMATE.start_main_~y~4 33)), 55499#(and (<= ULTIMATE.start_main_~x~4 33) (<= 33 ULTIMATE.start_main_~x~4) (<= ULTIMATE.start_main_~y~4 34)), 55500#(and (<= 34 ULTIMATE.start_main_~x~4) (<= ULTIMATE.start_main_~x~4 34) (<= ULTIMATE.start_main_~y~4 34)), 55501#(and (<= 34 ULTIMATE.start_main_~x~4) (<= ULTIMATE.start_main_~x~4 34) (<= ULTIMATE.start_main_~y~4 35)), 55502#(and (<= ULTIMATE.start_main_~x~4 35) (<= 35 ULTIMATE.start_main_~x~4) (<= ULTIMATE.start_main_~y~4 35)), 55503#(and (<= ULTIMATE.start_main_~x~4 35) (<= 35 ULTIMATE.start_main_~x~4) (<= ULTIMATE.start_main_~y~4 36)), 55504#(and (<= 36 ULTIMATE.start_main_~x~4) (<= ULTIMATE.start_main_~y~4 36) (<= ULTIMATE.start_main_~x~4 36)), 55505#(and (<= 36 ULTIMATE.start_main_~x~4) (<= ULTIMATE.start_main_~y~4 37) (<= ULTIMATE.start_main_~x~4 36)), 55506#(and (<= ULTIMATE.start_main_~x~4 37) (<= ULTIMATE.start_main_~y~4 37) (<= 37 ULTIMATE.start_main_~x~4)), 55507#(and (<= ULTIMATE.start_main_~x~4 37) (<= ULTIMATE.start_main_~y~4 38) (<= 37 ULTIMATE.start_main_~x~4)), 55508#(and (<= 38 ULTIMATE.start_main_~x~4) (<= ULTIMATE.start_main_~x~4 38) (<= ULTIMATE.start_main_~y~4 38)), 55509#(and (<= 38 ULTIMATE.start_main_~x~4) (<= ULTIMATE.start_main_~x~4 38) (<= ULTIMATE.start_main_~y~4 39)), 55510#(and (<= ULTIMATE.start_main_~x~4 39) (<= ULTIMATE.start_main_~y~4 39) (<= 39 ULTIMATE.start_main_~x~4)), 55511#(and (<= ULTIMATE.start_main_~x~4 39) (<= ULTIMATE.start_main_~y~4 40) (<= 39 ULTIMATE.start_main_~x~4)), 55512#(and (<= ULTIMATE.start_main_~x~4 40) (<= ULTIMATE.start_main_~y~4 40) (<= 40 ULTIMATE.start_main_~x~4)), 55513#(and (<= ULTIMATE.start_main_~x~4 40) (<= ULTIMATE.start_main_~y~4 41) (<= 40 ULTIMATE.start_main_~x~4)), 55514#(and (<= ULTIMATE.start_main_~x~4 41) (<= 41 ULTIMATE.start_main_~x~4) (<= ULTIMATE.start_main_~y~4 41)), 55515#(and (<= ULTIMATE.start_main_~x~4 41) (<= 41 ULTIMATE.start_main_~x~4) (<= ULTIMATE.start_main_~y~4 42)), 55516#(and (<= ULTIMATE.start_main_~y~4 42) (<= ULTIMATE.start_main_~x~4 42) (<= 42 ULTIMATE.start_main_~x~4)), 55517#(and (<= ULTIMATE.start_main_~x~4 42) (<= ULTIMATE.start_main_~y~4 43) (<= 42 ULTIMATE.start_main_~x~4)), 55518#(and (<= ULTIMATE.start_main_~x~4 43) (<= 43 ULTIMATE.start_main_~x~4) (<= ULTIMATE.start_main_~y~4 43)), 55519#(and (<= ULTIMATE.start_main_~x~4 43) (<= ULTIMATE.start_main_~y~4 44) (<= 43 ULTIMATE.start_main_~x~4)), 55520#(and (<= 44 ULTIMATE.start_main_~x~4) (<= ULTIMATE.start_main_~x~4 44) (<= ULTIMATE.start_main_~y~4 44)), 55521#(and (<= 44 ULTIMATE.start_main_~x~4) (<= ULTIMATE.start_main_~x~4 44) (<= ULTIMATE.start_main_~y~4 45)), 55522#(and (<= 45 ULTIMATE.start_main_~x~4) (<= ULTIMATE.start_main_~y~4 45) (<= ULTIMATE.start_main_~x~4 45)), 55523#(and (<= ULTIMATE.start_main_~y~4 46) (<= 45 ULTIMATE.start_main_~x~4) (<= ULTIMATE.start_main_~x~4 45)), 55524#(and (<= ULTIMATE.start_main_~x~4 46) (<= 46 ULTIMATE.start_main_~x~4) (<= ULTIMATE.start_main_~y~4 46)), 55525#(and (<= ULTIMATE.start_main_~x~4 46) (<= 46 ULTIMATE.start_main_~x~4) (<= ULTIMATE.start_main_~y~4 47)), 55526#(and (<= 47 ULTIMATE.start_main_~x~4) (<= ULTIMATE.start_main_~x~4 47) (<= ULTIMATE.start_main_~y~4 47)), 55527#(and (<= 47 ULTIMATE.start_main_~x~4) (<= ULTIMATE.start_main_~y~4 48) (<= ULTIMATE.start_main_~x~4 47)), 55528#(and (<= 48 ULTIMATE.start_main_~x~4) (<= ULTIMATE.start_main_~y~4 48) (<= ULTIMATE.start_main_~x~4 48)), 55529#(and (<= 48 ULTIMATE.start_main_~x~4) (<= ULTIMATE.start_main_~y~4 49) (<= ULTIMATE.start_main_~x~4 48)), 55530#(and (<= 49 ULTIMATE.start_main_~x~4) (<= ULTIMATE.start_main_~y~4 49) (<= ULTIMATE.start_main_~x~4 49)), 55531#(and (<= ULTIMATE.start_main_~y~4 50) (<= 49 ULTIMATE.start_main_~x~4)), 55532#(and (<= ULTIMATE.start_main_~y~4 50) (<= 50 ULTIMATE.start_main_~x~4)), 55533#(and (<= 50 ULTIMATE.start_main_~x~4) (<= ULTIMATE.start_main_~y~4 49)), 55534#(and (<= 51 ULTIMATE.start_main_~x~4) (<= ULTIMATE.start_main_~y~4 49)), 55535#(and (<= 51 ULTIMATE.start_main_~x~4) (<= ULTIMATE.start_main_~y~4 48)), 55536#(and (<= 52 ULTIMATE.start_main_~x~4) (<= ULTIMATE.start_main_~y~4 48)), 55537#(and (<= 52 ULTIMATE.start_main_~x~4) (<= ULTIMATE.start_main_~y~4 47)), 55538#(and (<= 53 ULTIMATE.start_main_~x~4) (<= ULTIMATE.start_main_~y~4 47)), 55539#(and (<= 53 ULTIMATE.start_main_~x~4) (<= ULTIMATE.start_main_~y~4 46)), 55540#(and (<= ULTIMATE.start_main_~y~4 46) (<= 54 ULTIMATE.start_main_~x~4)), 55541#(and (<= 54 ULTIMATE.start_main_~x~4) (<= ULTIMATE.start_main_~y~4 45)), 55542#(and (<= 55 ULTIMATE.start_main_~x~4) (<= ULTIMATE.start_main_~y~4 45)), 55543#(and (<= ULTIMATE.start_main_~y~4 44) (<= 55 ULTIMATE.start_main_~x~4)), 55544#(and (<= 56 ULTIMATE.start_main_~x~4) (<= ULTIMATE.start_main_~y~4 44)), 55545#(and (<= 56 ULTIMATE.start_main_~x~4) (<= ULTIMATE.start_main_~y~4 43)), 55546#(and (<= 57 ULTIMATE.start_main_~x~4) (<= ULTIMATE.start_main_~y~4 43)), 55547#(and (<= ULTIMATE.start_main_~y~4 42) (<= 57 ULTIMATE.start_main_~x~4)), 55548#(and (<= 58 ULTIMATE.start_main_~x~4) (<= ULTIMATE.start_main_~y~4 42)), 55549#(and (<= ULTIMATE.start_main_~y~4 41) (<= 58 ULTIMATE.start_main_~x~4)), 55550#(and (<= ULTIMATE.start_main_~y~4 41) (<= 59 ULTIMATE.start_main_~x~4)), 55551#(and (<= ULTIMATE.start_main_~y~4 40) (<= 59 ULTIMATE.start_main_~x~4)), 55552#(and (<= 60 ULTIMATE.start_main_~x~4) (<= ULTIMATE.start_main_~y~4 40)), 55553#(and (<= ULTIMATE.start_main_~y~4 39) (<= 60 ULTIMATE.start_main_~x~4)), 55554#(and (<= 61 ULTIMATE.start_main_~x~4) (<= ULTIMATE.start_main_~y~4 39)), 55555#(and (<= 61 ULTIMATE.start_main_~x~4) (<= ULTIMATE.start_main_~y~4 38)), 55556#(and (<= ULTIMATE.start_main_~y~4 38) (<= 62 ULTIMATE.start_main_~x~4)), 55557#(and (<= ULTIMATE.start_main_~y~4 37) (<= 62 ULTIMATE.start_main_~x~4)), 55558#(and (<= 63 ULTIMATE.start_main_~x~4) (<= ULTIMATE.start_main_~y~4 37)), 55559#(and (<= 63 ULTIMATE.start_main_~x~4) (<= ULTIMATE.start_main_~y~4 36)), 55560#(and (<= ULTIMATE.start_main_~y~4 36) (<= 64 ULTIMATE.start_main_~x~4)), 55561#(and (<= 64 ULTIMATE.start_main_~x~4) (<= ULTIMATE.start_main_~y~4 35)), 55562#(and (<= ULTIMATE.start_main_~y~4 35) (<= 65 ULTIMATE.start_main_~x~4)), 55563#(and (<= ULTIMATE.start_main_~y~4 34) (<= 65 ULTIMATE.start_main_~x~4)), 55564#(and (<= 66 ULTIMATE.start_main_~x~4) (<= ULTIMATE.start_main_~y~4 34)), 55565#(and (<= 66 ULTIMATE.start_main_~x~4) (<= ULTIMATE.start_main_~y~4 33)), 55566#(and (<= 67 ULTIMATE.start_main_~x~4) (<= ULTIMATE.start_main_~y~4 33)), 55567#(and (<= 67 ULTIMATE.start_main_~x~4) (<= ULTIMATE.start_main_~y~4 32)), 55568#(and (<= 68 ULTIMATE.start_main_~x~4) (<= ULTIMATE.start_main_~y~4 32)), 55569#(and (<= 68 ULTIMATE.start_main_~x~4) (<= ULTIMATE.start_main_~y~4 31)), 55570#(and (<= 69 ULTIMATE.start_main_~x~4) (<= ULTIMATE.start_main_~y~4 31)), 55571#(and (<= ULTIMATE.start_main_~y~4 30) (<= 69 ULTIMATE.start_main_~x~4)), 55572#(and (<= ULTIMATE.start_main_~y~4 30) (<= 70 ULTIMATE.start_main_~x~4)), 55573#(and (<= 70 ULTIMATE.start_main_~x~4) (<= ULTIMATE.start_main_~y~4 29)), 55574#(and (<= 71 ULTIMATE.start_main_~x~4) (<= ULTIMATE.start_main_~y~4 29)), 55575#(and (<= 71 ULTIMATE.start_main_~x~4) (<= ULTIMATE.start_main_~y~4 28)), 55576#(and (<= 72 ULTIMATE.start_main_~x~4) (<= ULTIMATE.start_main_~y~4 28)), 55577#(and (<= ULTIMATE.start_main_~y~4 27) (<= 72 ULTIMATE.start_main_~x~4)), 55578#(and (<= ULTIMATE.start_main_~y~4 27) (<= 73 ULTIMATE.start_main_~x~4)), 55579#(and (<= ULTIMATE.start_main_~y~4 26) (<= 73 ULTIMATE.start_main_~x~4)), 55580#(and (<= 74 ULTIMATE.start_main_~x~4) (<= ULTIMATE.start_main_~y~4 26)), 55581#(and (<= 74 ULTIMATE.start_main_~x~4) (<= ULTIMATE.start_main_~y~4 25)), 55582#(and (<= 75 ULTIMATE.start_main_~x~4) (<= ULTIMATE.start_main_~y~4 25)), 55583#(and (<= 75 ULTIMATE.start_main_~x~4) (<= ULTIMATE.start_main_~y~4 24)), 55584#(and (<= ULTIMATE.start_main_~y~4 24) (<= 76 ULTIMATE.start_main_~x~4)), 55585#(and (<= ULTIMATE.start_main_~y~4 23) (<= 76 ULTIMATE.start_main_~x~4)), 55586#(and (<= 77 ULTIMATE.start_main_~x~4) (<= ULTIMATE.start_main_~y~4 23)), 55587#(and (<= ULTIMATE.start_main_~y~4 22) (<= 77 ULTIMATE.start_main_~x~4)), 55588#(and (<= ULTIMATE.start_main_~y~4 22) (<= 78 ULTIMATE.start_main_~x~4)), 55589#(and (<= 78 ULTIMATE.start_main_~x~4) (<= ULTIMATE.start_main_~y~4 21)), 55590#(and (<= 79 ULTIMATE.start_main_~x~4) (<= ULTIMATE.start_main_~y~4 21)), 55591#(and (<= 79 ULTIMATE.start_main_~x~4) (<= ULTIMATE.start_main_~y~4 20)), 55592#(and (<= 80 ULTIMATE.start_main_~x~4) (<= ULTIMATE.start_main_~y~4 20)), 55593#(and (<= ULTIMATE.start_main_~y~4 19) (<= 80 ULTIMATE.start_main_~x~4)), 55594#(and (<= 81 ULTIMATE.start_main_~x~4) (<= ULTIMATE.start_main_~y~4 19)), 55595#(and (<= 81 ULTIMATE.start_main_~x~4) (<= ULTIMATE.start_main_~y~4 18)), 55596#(and (<= 82 ULTIMATE.start_main_~x~4) (<= ULTIMATE.start_main_~y~4 18)), 55597#(and (<= 82 ULTIMATE.start_main_~x~4) (<= ULTIMATE.start_main_~y~4 17)), 55598#(and (<= 83 ULTIMATE.start_main_~x~4) (<= ULTIMATE.start_main_~y~4 17)), 55599#(and (<= 83 ULTIMATE.start_main_~x~4) (<= ULTIMATE.start_main_~y~4 16)), 55600#(and (<= ULTIMATE.start_main_~y~4 16) (<= 84 ULTIMATE.start_main_~x~4)), 55601#(and (<= ULTIMATE.start_main_~y~4 15) (<= 84 ULTIMATE.start_main_~x~4)), 55602#(and (<= ULTIMATE.start_main_~y~4 15) (<= 85 ULTIMATE.start_main_~x~4)), 55603#(and (<= ULTIMATE.start_main_~y~4 14) (<= 85 ULTIMATE.start_main_~x~4)), 55604#(and (<= 86 ULTIMATE.start_main_~x~4) (<= ULTIMATE.start_main_~y~4 14)), 55605#(and (<= ULTIMATE.start_main_~y~4 13) (<= 86 ULTIMATE.start_main_~x~4)), 55606#(and (<= ULTIMATE.start_main_~y~4 13) (<= 87 ULTIMATE.start_main_~x~4)), 55607#(and (<= ULTIMATE.start_main_~y~4 12) (<= 87 ULTIMATE.start_main_~x~4)), 55608#(and (<= 88 ULTIMATE.start_main_~x~4) (<= ULTIMATE.start_main_~y~4 12)), 55609#(and (<= 88 ULTIMATE.start_main_~x~4) (<= ULTIMATE.start_main_~y~4 11)), 55610#(and (<= 89 ULTIMATE.start_main_~x~4) (<= ULTIMATE.start_main_~y~4 11)), 55611#(and (<= ULTIMATE.start_main_~y~4 10) (<= 89 ULTIMATE.start_main_~x~4)), 55612#(and (<= ULTIMATE.start_main_~y~4 10) (<= 90 ULTIMATE.start_main_~x~4)), 55613#(and (<= ULTIMATE.start_main_~y~4 9) (<= 90 ULTIMATE.start_main_~x~4)), 55614#(and (<= ULTIMATE.start_main_~y~4 9) (<= 91 ULTIMATE.start_main_~x~4)), 55615#(and (<= 91 ULTIMATE.start_main_~x~4) (<= ULTIMATE.start_main_~y~4 8)), 55616#(and (<= ULTIMATE.start_main_~y~4 8) (<= 92 ULTIMATE.start_main_~x~4)), 55617#(and (<= ULTIMATE.start_main_~y~4 7) (<= 92 ULTIMATE.start_main_~x~4)), 55618#(and (<= ULTIMATE.start_main_~y~4 7) (<= 93 ULTIMATE.start_main_~x~4)), 55619#(and (<= ULTIMATE.start_main_~y~4 6) (<= 93 ULTIMATE.start_main_~x~4)), 55620#(and (<= ULTIMATE.start_main_~y~4 6) (<= 94 ULTIMATE.start_main_~x~4)), 55621#(and (<= ULTIMATE.start_main_~y~4 5) (<= 94 ULTIMATE.start_main_~x~4)), 55622#(and (<= ULTIMATE.start_main_~y~4 5) (<= 95 ULTIMATE.start_main_~x~4)), 55623#(and (<= 95 ULTIMATE.start_main_~x~4) (<= ULTIMATE.start_main_~y~4 4)), 55624#(and (<= 96 ULTIMATE.start_main_~x~4) (<= ULTIMATE.start_main_~y~4 4)), 55625#(and (<= ULTIMATE.start_main_~y~4 3) (<= 96 ULTIMATE.start_main_~x~4)), 55626#(and (<= ULTIMATE.start_main_~y~4 3) (<= 97 ULTIMATE.start_main_~x~4)), 55627#(and (<= ULTIMATE.start_main_~y~4 2) (<= 97 ULTIMATE.start_main_~x~4)), 55628#(and (<= ULTIMATE.start_main_~y~4 2) (<= 98 ULTIMATE.start_main_~x~4)), 55629#(and (<= 98 ULTIMATE.start_main_~x~4) (<= ULTIMATE.start_main_~y~4 1)), 55630#(and (<= 99 ULTIMATE.start_main_~x~4) (<= ULTIMATE.start_main_~y~4 1)), 55631#(and (<= ULTIMATE.start_main_~y~4 0) (<= 99 ULTIMATE.start_main_~x~4)), 55632#(and (<= ULTIMATE.start_main_~y~4 0) (<= 100 ULTIMATE.start_main_~x~4)), 55633#(<= (+ ULTIMATE.start_main_~y~4 1) 0)] [2018-07-23 13:42:58,507 INFO L134 CoverageAnalysis]: Checked inductivity of 10302 backedges. 2752 proven. 7550 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2018-07-23 13:42:58,507 INFO L450 AbstractCegarLoop]: Interpolant automaton has 204 states [2018-07-23 13:42:58,508 INFO L132 InterpolantAutomaton]: Constructing interpolant automaton starting with 204 interpolants. [2018-07-23 13:42:58,509 INFO L133 InterpolantAutomaton]: CoverageRelationStatistics Valid=5606, Invalid=35806, Unknown=0, NotChecked=0, Total=41412 [2018-07-23 13:42:58,509 INFO L87 Difference]: Start difference. First operand 207 states and 207 transitions. Second operand 204 states. [2018-07-23 13:43:00,407 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2018-07-23 13:43:00,407 INFO L93 Difference]: Finished difference Result 207 states and 207 transitions. [2018-07-23 13:43:00,407 INFO L142 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 204 states. [2018-07-23 13:43:00,407 INFO L78 Accepts]: Start accepts. Automaton has 204 states. Word has length 206 [2018-07-23 13:43:00,407 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2018-07-23 13:43:00,407 INFO L225 Difference]: With dead ends: 207 [2018-07-23 13:43:00,408 INFO L226 Difference]: Without dead ends: 0 [2018-07-23 13:43:00,411 INFO L575 BasicCegarLoop]: 0 DeclaredPredicates, 204 GetRequests, 1 SyntacticMatches, 0 SemanticMatches, 203 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 7651 ImplicationChecksByTransitivity, 1.7s TimeCoverageRelationStatistics Valid=5711, Invalid=36109, Unknown=0, NotChecked=0, Total=41820 [2018-07-23 13:43:00,411 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 0 states. [2018-07-23 13:43:00,411 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 0 to 0. [2018-07-23 13:43:00,412 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 0 states. [2018-07-23 13:43:00,412 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 0 states to 0 states and 0 transitions. [2018-07-23 13:43:00,412 INFO L78 Accepts]: Start accepts. Automaton has 0 states and 0 transitions. Word has length 206 [2018-07-23 13:43:00,412 INFO L84 Accepts]: Finished accepts. word is rejected. [2018-07-23 13:43:00,412 INFO L471 AbstractCegarLoop]: Abstraction has 0 states and 0 transitions. [2018-07-23 13:43:00,412 INFO L472 AbstractCegarLoop]: Interpolant automaton has 204 states. [2018-07-23 13:43:00,412 INFO L276 IsEmpty]: Start isEmpty. Operand 0 states and 0 transitions. [2018-07-23 13:43:00,412 INFO L282 IsEmpty]: Finished isEmpty. No accepting run. [2018-07-23 13:43:00,417 INFO L343 DoubleDeckerVisitor]: Before removal of dead ends 0 states and 0 transitions. [2018-07-23 13:43:00,638 WARN L169 SmtUtils]: Spent 210.00 ms on a formula simplification that was a NOOP. DAG size: 511 [2018-07-23 13:43:03,016 WARN L169 SmtUtils]: Spent 2.37 s on a formula simplification. DAG size of input: 603 DAG size of output: 509 [2018-07-23 13:43:04,401 WARN L169 SmtUtils]: Spent 1.38 s on a formula simplification. DAG size of input: 511 DAG size of output: 511 [2018-07-23 13:43:05,521 WARN L169 SmtUtils]: Spent 1.11 s on a formula simplification. DAG size of input: 509 DAG size of output: 509 [2018-07-23 13:43:05,535 INFO L417 ceAbstractionStarter]: At program point L52(lines 20 52) the Hoare annotation is: (let ((.cse16 (<= ULTIMATE.start_main_~y~4 28)) (.cse17 (<= 28 ULTIMATE.start_main_~y~4)) (.cse22 (<= 21 ULTIMATE.start_main_~y~4)) (.cse23 (<= ULTIMATE.start_main_~y~4 21)) (.cse28 (<= 20 ULTIMATE.start_main_~y~4)) (.cse29 (<= ULTIMATE.start_main_~y~4 20)) (.cse26 (<= 49 ULTIMATE.start_main_~y~4)) (.cse27 (<= ULTIMATE.start_main_~y~4 49)) (.cse14 (<= 19 ULTIMATE.start_main_~y~4)) (.cse15 (<= ULTIMATE.start_main_~y~4 19)) (.cse58 (<= 33 ULTIMATE.start_main_~y~4)) (.cse59 (<= ULTIMATE.start_main_~y~4 33)) (.cse68 (<= ULTIMATE.start_main_~y~4 1)) (.cse69 (<= 1 ULTIMATE.start_main_~y~4)) (.cse2 (<= ULTIMATE.start_main_~y~4 22)) (.cse3 (<= 22 ULTIMATE.start_main_~y~4)) (.cse40 (<= ULTIMATE.start_main_~y~4 29)) (.cse41 (<= 29 ULTIMATE.start_main_~y~4)) (.cse56 (<= 32 ULTIMATE.start_main_~y~4)) (.cse57 (<= ULTIMATE.start_main_~y~4 32)) (.cse62 (<= ULTIMATE.start_main_~y~4 9)) (.cse63 (<= 9 ULTIMATE.start_main_~y~4)) (.cse34 (<= 6 ULTIMATE.start_main_~y~4)) (.cse35 (<= ULTIMATE.start_main_~y~4 6)) (.cse4 (<= ULTIMATE.start_main_~y~4 7)) (.cse5 (<= 7 ULTIMATE.start_main_~y~4)) (.cse46 (<= ULTIMATE.start_main_~y~4 0)) (.cse47 (<= 0 ULTIMATE.start_main_~y~4)) (.cse12 (<= ULTIMATE.start_main_~y~4 23)) (.cse13 (<= 23 ULTIMATE.start_main_~y~4)) (.cse66 (<= ULTIMATE.start_main_~y~4 2)) (.cse67 (<= 2 ULTIMATE.start_main_~y~4)) (.cse8 (<= 5 ULTIMATE.start_main_~y~4)) (.cse9 (<= ULTIMATE.start_main_~y~4 5)) (.cse74 (<= 25 ULTIMATE.start_main_~y~4)) (.cse75 (<= ULTIMATE.start_main_~y~4 25)) (.cse54 (<= ULTIMATE.start_main_~y~4 42)) (.cse55 (<= 42 ULTIMATE.start_main_~y~4)) (.cse64 (<= 39 ULTIMATE.start_main_~y~4)) (.cse65 (<= ULTIMATE.start_main_~y~4 39)) (.cse72 (<= ULTIMATE.start_main_~y~4 34)) (.cse73 (<= 34 ULTIMATE.start_main_~y~4)) (.cse24 (<= ULTIMATE.start_main_~y~4 41)) (.cse25 (<= 41 ULTIMATE.start_main_~y~4)) (.cse78 (<= ULTIMATE.start_main_~y~4 10)) (.cse79 (<= 10 ULTIMATE.start_main_~y~4)) (.cse86 (<= ULTIMATE.start_main_~y~4 27)) (.cse87 (<= 27 ULTIMATE.start_main_~y~4)) (.cse44 (<= ULTIMATE.start_main_~y~4 13)) (.cse45 (<= 13 ULTIMATE.start_main_~y~4)) (.cse60 (<= 18 ULTIMATE.start_main_~y~4)) (.cse61 (<= ULTIMATE.start_main_~y~4 18)) (.cse0 (<= 31 ULTIMATE.start_main_~y~4)) (.cse1 (<= ULTIMATE.start_main_~y~4 31)) (.cse10 (<= ULTIMATE.start_main_~y~4 46)) (.cse11 (<= 46 ULTIMATE.start_main_~y~4)) (.cse30 (<= 16 ULTIMATE.start_main_~y~4)) (.cse31 (<= ULTIMATE.start_main_~y~4 16)) (.cse76 (<= 47 ULTIMATE.start_main_~y~4)) (.cse77 (<= ULTIMATE.start_main_~y~4 47)) (.cse42 (<= ULTIMATE.start_main_~y~4 26)) (.cse43 (<= 26 ULTIMATE.start_main_~y~4)) (.cse92 (<= ULTIMATE.start_main_~y~4 38)) (.cse93 (<= 38 ULTIMATE.start_main_~y~4)) (.cse94 (<= ULTIMATE.start_main_~y~4 30)) (.cse95 (<= 30 ULTIMATE.start_main_~y~4)) (.cse96 (<= ULTIMATE.start_main_~y~4 3)) (.cse97 (<= 3 ULTIMATE.start_main_~y~4)) (.cse90 (<= 45 ULTIMATE.start_main_~y~4)) (.cse91 (<= ULTIMATE.start_main_~y~4 45)) (.cse88 (<= 37 ULTIMATE.start_main_~y~4)) (.cse89 (<= ULTIMATE.start_main_~y~4 37)) (.cse84 (<= 8 ULTIMATE.start_main_~y~4)) (.cse85 (<= ULTIMATE.start_main_~y~4 8)) (.cse32 (<= 12 ULTIMATE.start_main_~y~4)) (.cse33 (<= ULTIMATE.start_main_~y~4 12)) (.cse70 (<= 43 ULTIMATE.start_main_~y~4)) (.cse71 (<= ULTIMATE.start_main_~y~4 43)) (.cse50 (<= 24 ULTIMATE.start_main_~y~4)) (.cse51 (<= ULTIMATE.start_main_~y~4 24)) (.cse6 (<= 48 ULTIMATE.start_main_~y~4)) (.cse7 (<= ULTIMATE.start_main_~y~4 48)) (.cse80 (<= ULTIMATE.start_main_~y~4 11)) (.cse81 (<= 11 ULTIMATE.start_main_~y~4)) (.cse48 (<= ULTIMATE.start_main_~y~4 44)) (.cse49 (<= 44 ULTIMATE.start_main_~y~4)) (.cse82 (<= ULTIMATE.start_main_~y~4 15)) (.cse83 (<= 15 ULTIMATE.start_main_~y~4)) (.cse52 (<= ULTIMATE.start_main_~y~4 40)) (.cse53 (<= 40 ULTIMATE.start_main_~y~4)) (.cse98 (<= 14 ULTIMATE.start_main_~y~4)) (.cse99 (<= ULTIMATE.start_main_~y~4 14)) (.cse18 (<= ULTIMATE.start_main_~y~4 36)) (.cse19 (<= 36 ULTIMATE.start_main_~y~4)) (.cse36 (<= 35 ULTIMATE.start_main_~y~4)) (.cse37 (<= ULTIMATE.start_main_~y~4 35)) (.cse20 (<= 4 ULTIMATE.start_main_~y~4)) (.cse21 (<= ULTIMATE.start_main_~y~4 4)) (.cse38 (<= 17 ULTIMATE.start_main_~y~4)) (.cse39 (<= ULTIMATE.start_main_~y~4 17))) (or (and .cse0 (<= 69 ULTIMATE.start_main_~x~4) (<= ULTIMATE.start_main_~x~4 69) .cse1) (and .cse2 (<= ULTIMATE.start_main_~x~4 78) (<= 78 ULTIMATE.start_main_~x~4) .cse3) (and .cse4 .cse5 (<= ULTIMATE.start_main_~x~4 93) (<= 93 ULTIMATE.start_main_~x~4)) (and (<= 48 ULTIMATE.start_main_~x~4) .cse6 .cse7 (<= ULTIMATE.start_main_~x~4 48)) (and .cse8 .cse9 (<= 95 ULTIMATE.start_main_~x~4) (<= ULTIMATE.start_main_~x~4 95)) (and (<= ULTIMATE.start_main_~x~4 54) .cse10 (<= 54 ULTIMATE.start_main_~x~4) .cse11) (and (<= ULTIMATE.start_main_~x~4 77) (<= 77 ULTIMATE.start_main_~x~4) .cse12 .cse13) (and .cse14 (<= ULTIMATE.start_main_~x~4 81) (<= 81 ULTIMATE.start_main_~x~4) .cse15) (and (<= 72 ULTIMATE.start_main_~x~4) .cse16 (<= ULTIMATE.start_main_~x~4 72) .cse17) (and (<= ULTIMATE.start_main_~x~4 64) .cse18 (<= 64 ULTIMATE.start_main_~x~4) .cse19) (and .cse20 (<= ULTIMATE.start_main_~x~4 96) (<= 96 ULTIMATE.start_main_~x~4) .cse21) (and (<= 79 ULTIMATE.start_main_~x~4) .cse22 (<= ULTIMATE.start_main_~x~4 79) .cse23) (and .cse16 (<= ULTIMATE.start_main_~x~4 28) .cse17 (<= 28 ULTIMATE.start_main_~x~4)) (and (<= ULTIMATE.start_main_~x~4 41) (<= 41 ULTIMATE.start_main_~x~4) .cse24 .cse25) (and (<= 49 ULTIMATE.start_main_~x~4) .cse26 .cse27 (<= ULTIMATE.start_main_~x~4 49)) (and .cse28 (<= ULTIMATE.start_main_~x~4 80) (<= 80 ULTIMATE.start_main_~x~4) .cse29) (and (<= ULTIMATE.start_main_~x~4 16) (<= 16 ULTIMATE.start_main_~x~4) .cse30 .cse31) (and (<= 12 ULTIMATE.start_main_~x~4) .cse32 .cse33 (<= ULTIMATE.start_main_~x~4 12)) (and .cse34 .cse35 (<= ULTIMATE.start_main_~x~4 94) (<= 94 ULTIMATE.start_main_~x~4)) (and .cse36 .cse37 (<= 65 ULTIMATE.start_main_~x~4) (<= ULTIMATE.start_main_~x~4 65)) (and (<= 83 ULTIMATE.start_main_~x~4) .cse38 .cse39 (<= ULTIMATE.start_main_~x~4 83)) (and (<= 29 ULTIMATE.start_main_~x~4) .cse40 .cse41 (<= ULTIMATE.start_main_~x~4 29)) (and (<= ULTIMATE.start_main_~x~4 21) .cse22 (<= 21 ULTIMATE.start_main_~x~4) .cse23) (and (<= 20 ULTIMATE.start_main_~x~4) .cse28 (<= ULTIMATE.start_main_~x~4 20) .cse29) (and (<= ULTIMATE.start_main_~x~4 26) .cse42 .cse43 (<= 26 ULTIMATE.start_main_~x~4)) (and .cse44 .cse45 (<= ULTIMATE.start_main_~x~4 13) (<= 13 ULTIMATE.start_main_~x~4)) (and (<= 51 ULTIMATE.start_main_~x~4) .cse26 .cse27 (<= ULTIMATE.start_main_~x~4 51)) (and .cse46 .cse47 (<= ULTIMATE.start_main_~x~4 0) (<= 0 ULTIMATE.start_main_~x~4)) (and (<= 56 ULTIMATE.start_main_~x~4) (<= ULTIMATE.start_main_~x~4 56) .cse48 .cse49) (and (<= ULTIMATE.start_main_~x~4 76) .cse50 .cse51 (<= 76 ULTIMATE.start_main_~x~4)) (and (<= 60 ULTIMATE.start_main_~x~4) .cse52 (<= ULTIMATE.start_main_~x~4 60) .cse53) (and (<= 58 ULTIMATE.start_main_~x~4) .cse54 .cse55 (<= ULTIMATE.start_main_~x~4 58)) (and (<= ULTIMATE.start_main_~x~4 32) .cse56 (<= 32 ULTIMATE.start_main_~x~4) .cse57) (and .cse14 (<= 19 ULTIMATE.start_main_~x~4) .cse15 (<= ULTIMATE.start_main_~x~4 19)) (and (<= ULTIMATE.start_main_~x~4 33) .cse58 (<= 33 ULTIMATE.start_main_~x~4) .cse59) (and (<= 67 ULTIMATE.start_main_~x~4) .cse58 .cse59 (<= ULTIMATE.start_main_~x~4 67)) (and .cse60 (<= ULTIMATE.start_main_~x~4 82) (<= 82 ULTIMATE.start_main_~x~4) .cse61) (and .cse62 (<= 9 ULTIMATE.start_main_~x~4) (<= ULTIMATE.start_main_~x~4 9) .cse63) (and .cse64 (<= ULTIMATE.start_main_~x~4 39) .cse65 (<= 39 ULTIMATE.start_main_~x~4)) (and .cse66 .cse67 (<= 2 ULTIMATE.start_main_~x~4) (<= ULTIMATE.start_main_~x~4 2)) (and (<= 99 ULTIMATE.start_main_~x~4) (<= ULTIMATE.start_main_~x~4 99) .cse68 .cse69) (and .cse70 (<= ULTIMATE.start_main_~x~4 43) (<= 43 ULTIMATE.start_main_~x~4) .cse71) (and (<= ULTIMATE.start_main_~x~4 1) .cse68 .cse69 (<= 1 ULTIMATE.start_main_~x~4)) (and .cse2 (<= ULTIMATE.start_main_~x~4 22) (<= 22 ULTIMATE.start_main_~x~4) .cse3) (and (<= 71 ULTIMATE.start_main_~x~4) (<= ULTIMATE.start_main_~x~4 71) .cse40 .cse41) (and (<= 66 ULTIMATE.start_main_~x~4) (<= ULTIMATE.start_main_~x~4 66) .cse72 .cse73) (and .cse56 (<= ULTIMATE.start_main_~x~4 68) (<= 68 ULTIMATE.start_main_~x~4) .cse57) (and (<= ULTIMATE.start_main_~x~4 91) .cse62 (<= 91 ULTIMATE.start_main_~x~4) .cse63) (and (<= 6 ULTIMATE.start_main_~x~4) .cse34 .cse35 (<= ULTIMATE.start_main_~x~4 6)) (and (<= ULTIMATE.start_main_~x~4 7) .cse4 .cse5 (<= 7 ULTIMATE.start_main_~x~4)) (and (<= ULTIMATE.start_main_~x~4 75) (<= 75 ULTIMATE.start_main_~x~4) .cse74 .cse75) (and .cse76 (<= 53 ULTIMATE.start_main_~x~4) (<= ULTIMATE.start_main_~x~4 53) .cse77) (and .cse78 (<= ULTIMATE.start_main_~x~4 90) (<= 90 ULTIMATE.start_main_~x~4) .cse79) (and .cse46 .cse47 (<= ULTIMATE.start_main_~x~4 100) (<= 100 ULTIMATE.start_main_~x~4)) (and (<= ULTIMATE.start_main_~x~4 23) (<= 23 ULTIMATE.start_main_~x~4) .cse12 .cse13) (and (<= ULTIMATE.start_main_~x~4 98) .cse66 .cse67 (<= 98 ULTIMATE.start_main_~x~4)) (and (<= ULTIMATE.start_main_~x~4 5) .cse8 .cse9 (<= 5 ULTIMATE.start_main_~x~4)) (and (<= ULTIMATE.start_main_~x~4 11) (<= 11 ULTIMATE.start_main_~x~4) .cse80 .cse81) (and .cse74 .cse75 (<= ULTIMATE.start_main_~x~4 25) (<= 25 ULTIMATE.start_main_~x~4)) (and .cse82 (<= 85 ULTIMATE.start_main_~x~4) (<= ULTIMATE.start_main_~x~4 85) .cse83) (and .cse54 .cse55 (<= ULTIMATE.start_main_~x~4 42) (<= 42 ULTIMATE.start_main_~x~4)) (and (<= ULTIMATE.start_main_~x~4 8) .cse84 .cse85 (<= 8 ULTIMATE.start_main_~x~4)) (and .cse86 .cse87 (<= ULTIMATE.start_main_~x~4 73) (<= 73 ULTIMATE.start_main_~x~4)) (and .cse88 (<= ULTIMATE.start_main_~x~4 37) .cse89 (<= 37 ULTIMATE.start_main_~x~4)) (and (<= 61 ULTIMATE.start_main_~x~4) .cse64 (<= ULTIMATE.start_main_~x~4 61) .cse65) (and (<= 34 ULTIMATE.start_main_~x~4) (<= ULTIMATE.start_main_~x~4 34) .cse72 .cse73) (and (<= ULTIMATE.start_main_~x~4 59) .cse24 .cse25 (<= 59 ULTIMATE.start_main_~x~4)) (and .cse78 (<= ULTIMATE.start_main_~x~4 10) .cse79 (<= 10 ULTIMATE.start_main_~x~4)) (and .cse90 (<= 55 ULTIMATE.start_main_~x~4) (<= ULTIMATE.start_main_~x~4 55) .cse91) (and .cse86 (<= ULTIMATE.start_main_~x~4 27) .cse87 (<= 27 ULTIMATE.start_main_~x~4)) (and .cse44 (<= ULTIMATE.start_main_~x~4 87) .cse45 (<= 87 ULTIMATE.start_main_~x~4)) (and .cse60 (<= 18 ULTIMATE.start_main_~x~4) (<= ULTIMATE.start_main_~x~4 18) .cse61) (and (<= ULTIMATE.start_main_~x~4 31) .cse0 .cse1 (<= 31 ULTIMATE.start_main_~x~4)) (and (<= ULTIMATE.start_main_~x~4 62) .cse92 .cse93 (<= 62 ULTIMATE.start_main_~x~4)) (and (<= ULTIMATE.start_main_~x~4 46) (<= 46 ULTIMATE.start_main_~x~4) .cse10 .cse11) (and .cse94 (<= ULTIMATE.start_main_~x~4 30) .cse95 (<= 30 ULTIMATE.start_main_~x~4)) (and .cse30 (<= ULTIMATE.start_main_~x~4 84) .cse31 (<= 84 ULTIMATE.start_main_~x~4)) (and .cse76 (<= 47 ULTIMATE.start_main_~x~4) (<= ULTIMATE.start_main_~x~4 47) .cse77) (and (<= 74 ULTIMATE.start_main_~x~4) .cse42 (<= ULTIMATE.start_main_~x~4 74) .cse43) (and (<= 38 ULTIMATE.start_main_~x~4) (<= ULTIMATE.start_main_~x~4 38) .cse92 .cse93) (and .cse96 .cse97 (<= 97 ULTIMATE.start_main_~x~4) (<= ULTIMATE.start_main_~x~4 97)) (and .cse94 (<= ULTIMATE.start_main_~x~4 70) (<= 70 ULTIMATE.start_main_~x~4) .cse95) (and (<= 3 ULTIMATE.start_main_~x~4) .cse96 .cse97 (<= ULTIMATE.start_main_~x~4 3)) (and .cse90 (<= 45 ULTIMATE.start_main_~x~4) .cse91 (<= ULTIMATE.start_main_~x~4 45)) (and (<= 63 ULTIMATE.start_main_~x~4) .cse88 .cse89 (<= ULTIMATE.start_main_~x~4 63)) (and (<= ULTIMATE.start_main_~x~4 92) .cse84 .cse85 (<= 92 ULTIMATE.start_main_~x~4)) (and .cse32 (<= 88 ULTIMATE.start_main_~x~4) (<= ULTIMATE.start_main_~x~4 88) .cse33) (and .cse70 (<= 57 ULTIMATE.start_main_~x~4) (<= ULTIMATE.start_main_~x~4 57) .cse71) (and .cse50 (<= ULTIMATE.start_main_~x~4 24) (<= 24 ULTIMATE.start_main_~x~4) .cse51) (and (<= ULTIMATE.start_main_~x~4 52) (<= 52 ULTIMATE.start_main_~x~4) .cse6 .cse7) (and .cse98 (<= 14 ULTIMATE.start_main_~x~4) (<= ULTIMATE.start_main_~x~4 14) .cse99) (and (<= ULTIMATE.start_main_~x~4 89) (<= 89 ULTIMATE.start_main_~x~4) .cse80 .cse81) (and (<= 44 ULTIMATE.start_main_~x~4) (<= ULTIMATE.start_main_~x~4 44) .cse48 .cse49) (and .cse82 (<= 15 ULTIMATE.start_main_~x~4) .cse83 (<= ULTIMATE.start_main_~x~4 15)) (and (<= ULTIMATE.start_main_~x~4 40) .cse52 (<= 40 ULTIMATE.start_main_~x~4) .cse53) (and .cse98 (<= 86 ULTIMATE.start_main_~x~4) .cse99 (<= ULTIMATE.start_main_~x~4 86)) (and (<= 36 ULTIMATE.start_main_~x~4) .cse18 (<= ULTIMATE.start_main_~x~4 36) .cse19) (and (<= ULTIMATE.start_main_~x~4 35) .cse36 (<= 35 ULTIMATE.start_main_~x~4) .cse37) (and .cse20 (<= ULTIMATE.start_main_~x~4 4) (<= 4 ULTIMATE.start_main_~x~4) .cse21) (and (<= ULTIMATE.start_main_~x~4 50) (<= ULTIMATE.start_main_~y~4 50) (<= 50 ULTIMATE.start_main_~x~4) (<= 50 ULTIMATE.start_main_~y~4)) (and (<= ULTIMATE.start_main_~x~4 17) .cse38 .cse39 (<= 17 ULTIMATE.start_main_~x~4)))) [2018-07-23 13:43:05,537 INFO L417 ceAbstractionStarter]: At program point ULTIMATE.startErr0AssertViolationASSERT(line 54) the Hoare annotation is: false [2018-07-23 13:43:05,542 INFO L417 ceAbstractionStarter]: At program point L36(lines 30 47) the Hoare annotation is: (let ((.cse4 (<= 5 ULTIMATE.start_main_~y~4)) (.cse5 (<= ULTIMATE.start_main_~y~4 5)) (.cse14 (<= ULTIMATE.start_main_~y~4 44)) (.cse15 (<= 44 ULTIMATE.start_main_~y~4)) (.cse6 (<= ULTIMATE.start_main_~y~4 26)) (.cse7 (<= 26 ULTIMATE.start_main_~y~4)) (.cse8 (<= ULTIMATE.start_main_~y~4 28)) (.cse9 (<= 28 ULTIMATE.start_main_~y~4)) (.cse20 (<= 32 ULTIMATE.start_main_~y~4)) (.cse21 (<= ULTIMATE.start_main_~y~4 32)) (.cse30 (<= ULTIMATE.start_main_~y~4 27)) (.cse31 (<= 27 ULTIMATE.start_main_~y~4)) (.cse28 (<= 49 ULTIMATE.start_main_~y~4)) (.cse29 (<= ULTIMATE.start_main_~y~4 49)) (.cse36 (<= ULTIMATE.start_main_~y~4 42)) (.cse37 (<= 42 ULTIMATE.start_main_~y~4)) (.cse54 (<= 18 ULTIMATE.start_main_~y~4)) (.cse55 (<= ULTIMATE.start_main_~y~4 18)) (.cse22 (<= 16 ULTIMATE.start_main_~y~4)) (.cse23 (<= ULTIMATE.start_main_~y~4 16)) (.cse56 (<= ULTIMATE.start_main_~y~4 13)) (.cse57 (<= 13 ULTIMATE.start_main_~y~4)) (.cse32 (<= 6 ULTIMATE.start_main_~y~4)) (.cse33 (<= ULTIMATE.start_main_~y~4 6)) (.cse40 (<= 12 ULTIMATE.start_main_~y~4)) (.cse41 (<= ULTIMATE.start_main_~y~4 12)) (.cse46 (<= ULTIMATE.start_main_~y~4 40)) (.cse47 (<= 40 ULTIMATE.start_main_~y~4)) (.cse52 (<= ULTIMATE.start_main_~y~4 38)) (.cse53 (<= 38 ULTIMATE.start_main_~y~4)) (.cse16 (<= ULTIMATE.start_main_~y~4 36)) (.cse17 (<= 36 ULTIMATE.start_main_~y~4)) (.cse48 (<= 43 ULTIMATE.start_main_~y~4)) (.cse49 (<= ULTIMATE.start_main_~y~4 43)) (.cse58 (<= ULTIMATE.start_main_~y~4 2)) (.cse59 (<= 2 ULTIMATE.start_main_~y~4)) (.cse42 (<= 37 ULTIMATE.start_main_~y~4)) (.cse43 (<= ULTIMATE.start_main_~y~4 37)) (.cse64 (<= ULTIMATE.start_main_~y~4 9)) (.cse65 (<= 9 ULTIMATE.start_main_~y~4)) (.cse74 (<= 25 ULTIMATE.start_main_~y~4)) (.cse75 (<= ULTIMATE.start_main_~y~4 25)) (.cse26 (<= 48 ULTIMATE.start_main_~y~4)) (.cse27 (<= ULTIMATE.start_main_~y~4 48)) (.cse18 (<= ULTIMATE.start_main_~y~4 46)) (.cse19 (<= 46 ULTIMATE.start_main_~y~4)) (.cse12 (<= 21 ULTIMATE.start_main_~y~4)) (.cse13 (<= ULTIMATE.start_main_~y~4 21)) (.cse34 (<= ULTIMATE.start_main_~y~4 29)) (.cse35 (<= 29 ULTIMATE.start_main_~y~4)) (.cse68 (<= 8 ULTIMATE.start_main_~y~4)) (.cse69 (<= ULTIMATE.start_main_~y~4 8)) (.cse92 (<= ULTIMATE.start_main_~y~4 1)) (.cse93 (<= 1 ULTIMATE.start_main_~y~4)) (.cse62 (<= 45 ULTIMATE.start_main_~y~4)) (.cse63 (<= ULTIMATE.start_main_~y~4 45)) (.cse82 (<= ULTIMATE.start_main_~y~4 23)) (.cse83 (<= 23 ULTIMATE.start_main_~y~4)) (.cse86 (<= 31 ULTIMATE.start_main_~y~4)) (.cse87 (<= ULTIMATE.start_main_~y~4 31)) (.cse44 (<= ULTIMATE.start_main_~y~4 41)) (.cse45 (<= 41 ULTIMATE.start_main_~y~4)) (.cse88 (<= ULTIMATE.start_main_~y~4 22)) (.cse89 (<= 22 ULTIMATE.start_main_~y~4)) (.cse60 (<= 19 ULTIMATE.start_main_~y~4)) (.cse61 (<= ULTIMATE.start_main_~y~4 19)) (.cse72 (<= 35 ULTIMATE.start_main_~y~4)) (.cse73 (<= ULTIMATE.start_main_~y~4 35)) (.cse24 (<= ULTIMATE.start_main_~y~4 34)) (.cse25 (<= 34 ULTIMATE.start_main_~y~4)) (.cse2 (<= ULTIMATE.start_main_~y~4 3)) (.cse3 (<= 3 ULTIMATE.start_main_~y~4)) (.cse90 (<= 17 ULTIMATE.start_main_~y~4)) (.cse91 (<= ULTIMATE.start_main_~y~4 17)) (.cse38 (<= ULTIMATE.start_main_~y~4 30)) (.cse39 (<= 30 ULTIMATE.start_main_~y~4)) (.cse96 (<= 14 ULTIMATE.start_main_~y~4)) (.cse97 (<= ULTIMATE.start_main_~y~4 14)) (.cse84 (<= 47 ULTIMATE.start_main_~y~4)) (.cse85 (<= ULTIMATE.start_main_~y~4 47)) (.cse80 (<= ULTIMATE.start_main_~y~4 7)) (.cse81 (<= 7 ULTIMATE.start_main_~y~4)) (.cse10 (<= 20 ULTIMATE.start_main_~y~4)) (.cse11 (<= ULTIMATE.start_main_~y~4 20)) (.cse94 (<= 24 ULTIMATE.start_main_~y~4)) (.cse95 (<= ULTIMATE.start_main_~y~4 24)) (.cse0 (<= ULTIMATE.start_main_~y~4 11)) (.cse1 (<= 11 ULTIMATE.start_main_~y~4)) (.cse76 (<= 39 ULTIMATE.start_main_~y~4)) (.cse77 (<= ULTIMATE.start_main_~y~4 39)) (.cse50 (<= 33 ULTIMATE.start_main_~y~4)) (.cse51 (<= ULTIMATE.start_main_~y~4 33)) (.cse70 (<= ULTIMATE.start_main_~y~4 15)) (.cse71 (<= 15 ULTIMATE.start_main_~y~4)) (.cse66 (<= ULTIMATE.start_main_~y~4 10)) (.cse67 (<= 10 ULTIMATE.start_main_~y~4)) (.cse78 (<= 4 ULTIMATE.start_main_~y~4)) (.cse79 (<= ULTIMATE.start_main_~y~4 4))) (or (and (<= 88 ULTIMATE.start_main_~x~4) (<= ULTIMATE.start_main_~x~4 88) .cse0 .cse1) (and .cse2 .cse3 (<= ULTIMATE.start_main_~x~4 96) (<= 96 ULTIMATE.start_main_~x~4)) (and .cse4 .cse5 (<= ULTIMATE.start_main_~x~4 4) (<= 4 ULTIMATE.start_main_~x~4)) (and .cse6 (<= ULTIMATE.start_main_~x~4 73) (<= 73 ULTIMATE.start_main_~x~4) .cse7) (and (<= 71 ULTIMATE.start_main_~x~4) (<= ULTIMATE.start_main_~x~4 71) .cse8 .cse9) (and (<= 79 ULTIMATE.start_main_~x~4) .cse10 (<= ULTIMATE.start_main_~x~4 79) .cse11) (and (<= ULTIMATE.start_main_~x~4 78) .cse12 (<= 78 ULTIMATE.start_main_~x~4) .cse13) (and .cse14 (<= 55 ULTIMATE.start_main_~x~4) (<= ULTIMATE.start_main_~x~4 55) .cse15) (and .cse4 .cse5 (<= ULTIMATE.start_main_~x~4 94) (<= 94 ULTIMATE.start_main_~x~4)) (and (<= ULTIMATE.start_main_~x~4 35) (<= 35 ULTIMATE.start_main_~x~4) .cse16 .cse17) (and .cse18 .cse19 (<= 45 ULTIMATE.start_main_~x~4) (<= ULTIMATE.start_main_~x~4 45)) (and (<= ULTIMATE.start_main_~x~4 43) .cse14 .cse15 (<= 43 ULTIMATE.start_main_~x~4)) (and (<= 67 ULTIMATE.start_main_~x~4) .cse20 .cse21 (<= ULTIMATE.start_main_~x~4 67)) (and (<= 15 ULTIMATE.start_main_~x~4) .cse22 .cse23 (<= ULTIMATE.start_main_~x~4 15)) (and (<= ULTIMATE.start_main_~x~4 33) (<= 33 ULTIMATE.start_main_~x~4) .cse24 .cse25) (and .cse26 (<= 47 ULTIMATE.start_main_~x~4) .cse27 (<= ULTIMATE.start_main_~x~4 47)) (and .cse6 (<= ULTIMATE.start_main_~x~4 25) .cse7 (<= 25 ULTIMATE.start_main_~x~4)) (and (<= 48 ULTIMATE.start_main_~x~4) .cse28 .cse29 (<= ULTIMATE.start_main_~x~4 48)) (and .cse30 (<= ULTIMATE.start_main_~x~4 26) .cse31 (<= 26 ULTIMATE.start_main_~x~4)) (and .cse32 .cse33 (<= ULTIMATE.start_main_~x~4 93) (<= 93 ULTIMATE.start_main_~x~4)) (and (<= ULTIMATE.start_main_~x~4 28) .cse34 .cse35 (<= 28 ULTIMATE.start_main_~x~4)) (and .cse36 .cse37 (<= 57 ULTIMATE.start_main_~x~4) (<= ULTIMATE.start_main_~x~4 57)) (and .cse38 (<= 29 ULTIMATE.start_main_~x~4) .cse39 (<= ULTIMATE.start_main_~x~4 29)) (and .cse40 (<= ULTIMATE.start_main_~x~4 87) .cse41 (<= 87 ULTIMATE.start_main_~x~4)) (and (<= 36 ULTIMATE.start_main_~x~4) .cse42 .cse43 (<= ULTIMATE.start_main_~x~4 36)) (and .cse44 (<= 58 ULTIMATE.start_main_~x~4) (<= ULTIMATE.start_main_~x~4 58) .cse45) (and (<= ULTIMATE.start_main_~x~4 59) .cse46 .cse47 (<= 59 ULTIMATE.start_main_~x~4)) (and (<= ULTIMATE.start_main_~x~4 27) .cse8 (<= 27 ULTIMATE.start_main_~x~4) .cse9) (and .cse48 (<= ULTIMATE.start_main_~x~4 42) .cse49 (<= 42 ULTIMATE.start_main_~x~4)) (and (<= 66 ULTIMATE.start_main_~x~4) .cse50 (<= ULTIMATE.start_main_~x~4 66) .cse51) (and (<= ULTIMATE.start_main_~x~4 31) .cse20 (<= 31 ULTIMATE.start_main_~x~4) .cse21) (and (<= ULTIMATE.start_main_~x~4 37) .cse52 .cse53 (<= 37 ULTIMATE.start_main_~x~4)) (and .cse30 (<= 72 ULTIMATE.start_main_~x~4) .cse31 (<= ULTIMATE.start_main_~x~4 72)) (and (<= ULTIMATE.start_main_~x~4 50) (<= 50 ULTIMATE.start_main_~x~4) .cse28 .cse29) (and .cse54 (<= ULTIMATE.start_main_~x~4 81) (<= 81 ULTIMATE.start_main_~x~4) .cse55) (and (<= ULTIMATE.start_main_~x~4 41) (<= 41 ULTIMATE.start_main_~x~4) .cse36 .cse37) (and .cse54 (<= ULTIMATE.start_main_~x~4 17) .cse55 (<= 17 ULTIMATE.start_main_~x~4)) (and (<= ULTIMATE.start_main_~y~4 0) (<= 0 ULTIMATE.start_main_~y~4) (<= 99 ULTIMATE.start_main_~x~4) (<= ULTIMATE.start_main_~x~4 99)) (and (<= 83 ULTIMATE.start_main_~x~4) .cse22 .cse23 (<= ULTIMATE.start_main_~x~4 83)) (and (<= 12 ULTIMATE.start_main_~x~4) .cse56 .cse57 (<= ULTIMATE.start_main_~x~4 12)) (and .cse56 .cse57 (<= 86 ULTIMATE.start_main_~x~4) (<= ULTIMATE.start_main_~x~4 86)) (and .cse58 (<= 97 ULTIMATE.start_main_~x~4) .cse59 (<= ULTIMATE.start_main_~x~4 97)) (and (<= 18 ULTIMATE.start_main_~x~4) (<= ULTIMATE.start_main_~x~4 18) .cse60 .cse61) (and (<= ULTIMATE.start_main_~x~4 5) .cse32 .cse33 (<= 5 ULTIMATE.start_main_~x~4)) (and (<= 44 ULTIMATE.start_main_~x~4) (<= ULTIMATE.start_main_~x~4 44) .cse62 .cse63) (and (<= ULTIMATE.start_main_~x~4 11) (<= 11 ULTIMATE.start_main_~x~4) .cse40 .cse41) (and (<= ULTIMATE.start_main_~x~4 90) .cse64 (<= 90 ULTIMATE.start_main_~x~4) .cse65) (and (<= ULTIMATE.start_main_~x~4 39) .cse46 (<= 39 ULTIMATE.start_main_~x~4) .cse47) (and (<= 61 ULTIMATE.start_main_~x~4) (<= ULTIMATE.start_main_~x~4 61) .cse52 .cse53) (and (<= 63 ULTIMATE.start_main_~x~4) .cse16 (<= ULTIMATE.start_main_~x~4 63) .cse17) (and .cse66 (<= 9 ULTIMATE.start_main_~x~4) .cse67 (<= ULTIMATE.start_main_~x~4 9)) (and (<= ULTIMATE.start_main_~x~4 7) (<= 7 ULTIMATE.start_main_~x~4) .cse68 .cse69) (and .cse70 (<= 14 ULTIMATE.start_main_~x~4) (<= ULTIMATE.start_main_~x~4 14) .cse71) (and (<= 56 ULTIMATE.start_main_~x~4) .cse48 (<= ULTIMATE.start_main_~x~4 56) .cse49) (and (<= ULTIMATE.start_main_~x~4 64) .cse72 (<= 64 ULTIMATE.start_main_~x~4) .cse73) (and .cse74 (<= ULTIMATE.start_main_~x~4 24) .cse75 (<= 24 ULTIMATE.start_main_~x~4)) (and .cse58 .cse59 (<= ULTIMATE.start_main_~x~4 1) (<= 1 ULTIMATE.start_main_~x~4)) (and (<= ULTIMATE.start_main_~x~4 62) .cse42 .cse43 (<= 62 ULTIMATE.start_main_~x~4)) (and .cse64 (<= ULTIMATE.start_main_~x~4 8) (<= 8 ULTIMATE.start_main_~x~4) .cse65) (and .cse76 .cse77 (<= 60 ULTIMATE.start_main_~x~4) (<= ULTIMATE.start_main_~x~4 60)) (and (<= 74 ULTIMATE.start_main_~x~4) .cse74 .cse75 (<= ULTIMATE.start_main_~x~4 74)) (and (<= 51 ULTIMATE.start_main_~x~4) .cse26 .cse27 (<= ULTIMATE.start_main_~x~4 51)) (and .cse78 (<= 95 ULTIMATE.start_main_~x~4) (<= ULTIMATE.start_main_~x~4 95) .cse79) (and .cse80 (<= 6 ULTIMATE.start_main_~x~4) .cse81 (<= ULTIMATE.start_main_~x~4 6)) (and .cse82 .cse83 (<= ULTIMATE.start_main_~x~4 22) (<= 22 ULTIMATE.start_main_~x~4)) (and (<= ULTIMATE.start_main_~x~4 46) .cse84 (<= 46 ULTIMATE.start_main_~x~4) .cse85) (and (<= ULTIMATE.start_main_~x~4 30) .cse86 (<= 30 ULTIMATE.start_main_~x~4) .cse87) (and (<= 53 ULTIMATE.start_main_~x~4) (<= ULTIMATE.start_main_~x~4 53) .cse18 .cse19) (and (<= ULTIMATE.start_main_~x~4 21) .cse88 (<= 21 ULTIMATE.start_main_~x~4) .cse89) (and (<= (+ ULTIMATE.start_main_~y~4 1) 0) (<= ULTIMATE.start_main_~x~4 100) (<= 100 ULTIMATE.start_main_~x~4)) (and (<= ULTIMATE.start_main_~x~4 16) (<= 16 ULTIMATE.start_main_~x~4) .cse90 .cse91) (and (<= 20 ULTIMATE.start_main_~x~4) .cse12 (<= ULTIMATE.start_main_~x~4 20) .cse13) (and (<= ULTIMATE.start_main_~x~4 70) (<= 70 ULTIMATE.start_main_~x~4) .cse34 .cse35) (and (<= ULTIMATE.start_main_~x~4 91) (<= 91 ULTIMATE.start_main_~x~4) .cse68 .cse69) (and (<= ULTIMATE.start_main_~x~4 0) (<= 0 ULTIMATE.start_main_~x~4) .cse92 .cse93) (and (<= ULTIMATE.start_main_~x~4 98) (<= 98 ULTIMATE.start_main_~x~4) .cse92 .cse93) (and (<= ULTIMATE.start_main_~x~4 54) .cse62 (<= 54 ULTIMATE.start_main_~x~4) .cse63) (and (<= ULTIMATE.start_main_~x~4 76) .cse82 .cse83 (<= 76 ULTIMATE.start_main_~x~4)) (and (<= ULTIMATE.start_main_~x~4 68) .cse86 (<= 68 ULTIMATE.start_main_~x~4) .cse87) (and (<= ULTIMATE.start_main_~x~4 40) .cse44 (<= 40 ULTIMATE.start_main_~x~4) .cse45) (and (<= ULTIMATE.start_main_~x~4 75) .cse94 (<= 75 ULTIMATE.start_main_~x~4) .cse95) (and .cse96 .cse97 (<= 85 ULTIMATE.start_main_~x~4) (<= ULTIMATE.start_main_~x~4 85)) (and (<= ULTIMATE.start_main_~x~4 77) .cse88 (<= 77 ULTIMATE.start_main_~x~4) .cse89) (and (<= ULTIMATE.start_main_~y~4 50) (<= 49 ULTIMATE.start_main_~x~4) (<= ULTIMATE.start_main_~x~4 49) (<= 50 ULTIMATE.start_main_~y~4)) (and .cse60 (<= ULTIMATE.start_main_~x~4 80) .cse61 (<= 80 ULTIMATE.start_main_~x~4)) (and (<= 34 ULTIMATE.start_main_~x~4) (<= ULTIMATE.start_main_~x~4 34) .cse72 .cse73) (and .cse24 .cse25 (<= 65 ULTIMATE.start_main_~x~4) (<= ULTIMATE.start_main_~x~4 65)) (and .cse2 .cse3 (<= 2 ULTIMATE.start_main_~x~4) (<= ULTIMATE.start_main_~x~4 2)) (and (<= ULTIMATE.start_main_~x~4 82) (<= 82 ULTIMATE.start_main_~x~4) .cse90 .cse91) (and .cse38 .cse39 (<= 69 ULTIMATE.start_main_~x~4) (<= ULTIMATE.start_main_~x~4 69)) (and .cse96 (<= ULTIMATE.start_main_~x~4 13) (<= 13 ULTIMATE.start_main_~x~4) .cse97) (and (<= ULTIMATE.start_main_~x~4 52) (<= 52 ULTIMATE.start_main_~x~4) .cse84 .cse85) (and .cse80 (<= ULTIMATE.start_main_~x~4 92) .cse81 (<= 92 ULTIMATE.start_main_~x~4)) (and .cse10 (<= 19 ULTIMATE.start_main_~x~4) (<= ULTIMATE.start_main_~x~4 19) .cse11) (and (<= ULTIMATE.start_main_~x~4 23) (<= 23 ULTIMATE.start_main_~x~4) .cse94 .cse95) (and (<= ULTIMATE.start_main_~x~4 10) .cse0 .cse1 (<= 10 ULTIMATE.start_main_~x~4)) (and (<= 38 ULTIMATE.start_main_~x~4) .cse76 (<= ULTIMATE.start_main_~x~4 38) .cse77) (and (<= ULTIMATE.start_main_~x~4 32) .cse50 (<= 32 ULTIMATE.start_main_~x~4) .cse51) (and .cse70 (<= ULTIMATE.start_main_~x~4 84) (<= 84 ULTIMATE.start_main_~x~4) .cse71) (and .cse66 (<= ULTIMATE.start_main_~x~4 89) (<= 89 ULTIMATE.start_main_~x~4) .cse67) (and (<= 3 ULTIMATE.start_main_~x~4) .cse78 (<= ULTIMATE.start_main_~x~4 3) .cse79))) [2018-07-23 13:43:05,542 INFO L417 ceAbstractionStarter]: At program point L46(lines 46 53) the Hoare annotation is: false [2018-07-23 13:43:05,542 INFO L424 ceAbstractionStarter]: At program point ULTIMATE.startENTRY(lines 1 55) the Hoare annotation is: true [2018-07-23 13:43:05,543 INFO L421 ceAbstractionStarter]: For program point ULTIMATE.startFINAL(lines 1 55) no Hoare annotation was computed. [2018-07-23 13:43:05,543 INFO L417 ceAbstractionStarter]: At program point ULTIMATE.startEXIT(lines 1 55) the Hoare annotation is: false [2018-07-23 13:43:05,571 INFO L202 PluginConnector]: Adding new model gr2006.c.i_4.bplTransformedIcfg_BEv2_3.bpl de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction CFG 23.07 01:43:05 BoogieIcfgContainer [2018-07-23 13:43:05,571 INFO L132 PluginConnector]: ------------------------ END TraceAbstraction---------------------------- [2018-07-23 13:43:05,572 INFO L168 Benchmark]: Toolchain (without parser) took 131730.55 ms. Allocated memory was 1.5 GB in the beginning and 3.6 GB in the end (delta: 2.0 GB). Free memory was 1.5 GB in the beginning and 1.2 GB in the end (delta: 258.5 MB). Peak memory consumption was 2.6 GB. Max. memory is 7.1 GB. [2018-07-23 13:43:05,573 INFO L168 Benchmark]: Boogie PL CUP Parser took 0.19 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 13:43:05,573 INFO L168 Benchmark]: Boogie Preprocessor took 49.22 ms. Allocated memory is still 1.5 GB. Free memory is still 1.5 GB. There was no memory consumed. Max. memory is 7.1 GB. [2018-07-23 13:43:05,574 INFO L168 Benchmark]: RCFGBuilder took 233.90 ms. Allocated memory is still 1.5 GB. Free memory was 1.5 GB in the beginning and 1.4 GB in the end (delta: 10.6 MB). Peak memory consumption was 10.6 MB. Max. memory is 7.1 GB. [2018-07-23 13:43:05,574 INFO L168 Benchmark]: TraceAbstraction took 131443.40 ms. Allocated memory was 1.5 GB in the beginning and 3.6 GB in the end (delta: 2.0 GB). Free memory was 1.4 GB in the beginning and 1.2 GB in the end (delta: 248.0 MB). Peak memory consumption was 2.6 GB. Max. memory is 7.1 GB. [2018-07-23 13:43:05,577 INFO L336 ainManager$Toolchain]: ####################### End [Toolchain 1] ####################### --- Results --- * Results from de.uni_freiburg.informatik.ultimate.core: - StatisticsResult: Toolchain Benchmarks Benchmark results are: * Boogie PL CUP Parser took 0.19 ms. Allocated memory is still 1.5 GB. Free memory is still 1.5 GB. There was no memory consumed. Max. memory is 7.1 GB. * Boogie Preprocessor took 49.22 ms. Allocated memory is still 1.5 GB. Free memory is still 1.5 GB. There was no memory consumed. Max. memory is 7.1 GB. * RCFGBuilder took 233.90 ms. Allocated memory is still 1.5 GB. Free memory was 1.5 GB in the beginning and 1.4 GB in the end (delta: 10.6 MB). Peak memory consumption was 10.6 MB. Max. memory is 7.1 GB. * TraceAbstraction took 131443.40 ms. Allocated memory was 1.5 GB in the beginning and 3.6 GB in the end (delta: 2.0 GB). Free memory was 1.4 GB in the beginning and 1.2 GB in the end (delta: 248.0 MB). Peak memory consumption was 2.6 GB. Max. memory is 7.1 GB. * Results from de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction: - PositiveResult [Line: 54]: assertion always holds For all program executions holds that assertion always holds at this location - AllSpecificationsHoldResult: All specifications hold 1 specifications checked. All of them hold - InvariantResult [Line: 46]: Loop Invariant Derived loop invariant: false - InvariantResult [Line: 30]: Loop Invariant Derived loop invariant: ((((((((((((((((((((((((((((((((((((((((((((((((((((((((((((((((((((((((((((((((((((((((((((((((((((((88 <= main_~x~4 && main_~x~4 <= 88) && main_~y~4 <= 11) && 11 <= main_~y~4) || (((main_~y~4 <= 3 && 3 <= main_~y~4) && main_~x~4 <= 96) && 96 <= main_~x~4)) || (((5 <= main_~y~4 && main_~y~4 <= 5) && main_~x~4 <= 4) && 4 <= main_~x~4)) || (((main_~y~4 <= 26 && main_~x~4 <= 73) && 73 <= main_~x~4) && 26 <= main_~y~4)) || (((71 <= main_~x~4 && main_~x~4 <= 71) && main_~y~4 <= 28) && 28 <= main_~y~4)) || (((79 <= main_~x~4 && 20 <= main_~y~4) && main_~x~4 <= 79) && main_~y~4 <= 20)) || (((main_~x~4 <= 78 && 21 <= main_~y~4) && 78 <= main_~x~4) && main_~y~4 <= 21)) || (((main_~y~4 <= 44 && 55 <= main_~x~4) && main_~x~4 <= 55) && 44 <= main_~y~4)) || (((5 <= main_~y~4 && main_~y~4 <= 5) && main_~x~4 <= 94) && 94 <= main_~x~4)) || (((main_~x~4 <= 35 && 35 <= main_~x~4) && main_~y~4 <= 36) && 36 <= main_~y~4)) || (((main_~y~4 <= 46 && 46 <= main_~y~4) && 45 <= main_~x~4) && main_~x~4 <= 45)) || (((main_~x~4 <= 43 && main_~y~4 <= 44) && 44 <= main_~y~4) && 43 <= main_~x~4)) || (((67 <= main_~x~4 && 32 <= main_~y~4) && main_~y~4 <= 32) && main_~x~4 <= 67)) || (((15 <= main_~x~4 && 16 <= main_~y~4) && main_~y~4 <= 16) && main_~x~4 <= 15)) || (((main_~x~4 <= 33 && 33 <= main_~x~4) && main_~y~4 <= 34) && 34 <= main_~y~4)) || (((48 <= main_~y~4 && 47 <= main_~x~4) && main_~y~4 <= 48) && main_~x~4 <= 47)) || (((main_~y~4 <= 26 && main_~x~4 <= 25) && 26 <= main_~y~4) && 25 <= main_~x~4)) || (((48 <= main_~x~4 && 49 <= main_~y~4) && main_~y~4 <= 49) && main_~x~4 <= 48)) || (((main_~y~4 <= 27 && main_~x~4 <= 26) && 27 <= main_~y~4) && 26 <= main_~x~4)) || (((6 <= main_~y~4 && main_~y~4 <= 6) && main_~x~4 <= 93) && 93 <= main_~x~4)) || (((main_~x~4 <= 28 && main_~y~4 <= 29) && 29 <= main_~y~4) && 28 <= main_~x~4)) || (((main_~y~4 <= 42 && 42 <= main_~y~4) && 57 <= main_~x~4) && main_~x~4 <= 57)) || (((main_~y~4 <= 30 && 29 <= main_~x~4) && 30 <= main_~y~4) && main_~x~4 <= 29)) || (((12 <= main_~y~4 && main_~x~4 <= 87) && main_~y~4 <= 12) && 87 <= main_~x~4)) || (((36 <= main_~x~4 && 37 <= main_~y~4) && main_~y~4 <= 37) && main_~x~4 <= 36)) || (((main_~y~4 <= 41 && 58 <= main_~x~4) && main_~x~4 <= 58) && 41 <= main_~y~4)) || (((main_~x~4 <= 59 && main_~y~4 <= 40) && 40 <= main_~y~4) && 59 <= main_~x~4)) || (((main_~x~4 <= 27 && main_~y~4 <= 28) && 27 <= main_~x~4) && 28 <= main_~y~4)) || (((43 <= main_~y~4 && main_~x~4 <= 42) && main_~y~4 <= 43) && 42 <= main_~x~4)) || (((66 <= main_~x~4 && 33 <= main_~y~4) && main_~x~4 <= 66) && main_~y~4 <= 33)) || (((main_~x~4 <= 31 && 32 <= main_~y~4) && 31 <= main_~x~4) && main_~y~4 <= 32)) || (((main_~x~4 <= 37 && main_~y~4 <= 38) && 38 <= main_~y~4) && 37 <= main_~x~4)) || (((main_~y~4 <= 27 && 72 <= main_~x~4) && 27 <= main_~y~4) && main_~x~4 <= 72)) || (((main_~x~4 <= 50 && 50 <= main_~x~4) && 49 <= main_~y~4) && main_~y~4 <= 49)) || (((18 <= main_~y~4 && main_~x~4 <= 81) && 81 <= main_~x~4) && main_~y~4 <= 18)) || (((main_~x~4 <= 41 && 41 <= main_~x~4) && main_~y~4 <= 42) && 42 <= main_~y~4)) || (((18 <= main_~y~4 && main_~x~4 <= 17) && main_~y~4 <= 18) && 17 <= main_~x~4)) || (((main_~y~4 <= 0 && 0 <= main_~y~4) && 99 <= main_~x~4) && main_~x~4 <= 99)) || (((83 <= main_~x~4 && 16 <= main_~y~4) && main_~y~4 <= 16) && main_~x~4 <= 83)) || (((12 <= main_~x~4 && main_~y~4 <= 13) && 13 <= main_~y~4) && main_~x~4 <= 12)) || (((main_~y~4 <= 13 && 13 <= main_~y~4) && 86 <= main_~x~4) && main_~x~4 <= 86)) || (((main_~y~4 <= 2 && 97 <= main_~x~4) && 2 <= main_~y~4) && main_~x~4 <= 97)) || (((18 <= main_~x~4 && main_~x~4 <= 18) && 19 <= main_~y~4) && main_~y~4 <= 19)) || (((main_~x~4 <= 5 && 6 <= main_~y~4) && main_~y~4 <= 6) && 5 <= main_~x~4)) || (((44 <= main_~x~4 && main_~x~4 <= 44) && 45 <= main_~y~4) && main_~y~4 <= 45)) || (((main_~x~4 <= 11 && 11 <= main_~x~4) && 12 <= main_~y~4) && main_~y~4 <= 12)) || (((main_~x~4 <= 90 && main_~y~4 <= 9) && 90 <= main_~x~4) && 9 <= main_~y~4)) || (((main_~x~4 <= 39 && main_~y~4 <= 40) && 39 <= main_~x~4) && 40 <= main_~y~4)) || (((61 <= main_~x~4 && main_~x~4 <= 61) && main_~y~4 <= 38) && 38 <= main_~y~4)) || (((63 <= main_~x~4 && main_~y~4 <= 36) && main_~x~4 <= 63) && 36 <= main_~y~4)) || (((main_~y~4 <= 10 && 9 <= main_~x~4) && 10 <= main_~y~4) && main_~x~4 <= 9)) || (((main_~x~4 <= 7 && 7 <= main_~x~4) && 8 <= main_~y~4) && main_~y~4 <= 8)) || (((main_~y~4 <= 15 && 14 <= main_~x~4) && main_~x~4 <= 14) && 15 <= main_~y~4)) || (((56 <= main_~x~4 && 43 <= main_~y~4) && main_~x~4 <= 56) && main_~y~4 <= 43)) || (((main_~x~4 <= 64 && 35 <= main_~y~4) && 64 <= main_~x~4) && main_~y~4 <= 35)) || (((25 <= main_~y~4 && main_~x~4 <= 24) && main_~y~4 <= 25) && 24 <= main_~x~4)) || (((main_~y~4 <= 2 && 2 <= main_~y~4) && main_~x~4 <= 1) && 1 <= main_~x~4)) || (((main_~x~4 <= 62 && 37 <= main_~y~4) && main_~y~4 <= 37) && 62 <= main_~x~4)) || (((main_~y~4 <= 9 && main_~x~4 <= 8) && 8 <= main_~x~4) && 9 <= main_~y~4)) || (((39 <= main_~y~4 && main_~y~4 <= 39) && 60 <= main_~x~4) && main_~x~4 <= 60)) || (((74 <= main_~x~4 && 25 <= main_~y~4) && main_~y~4 <= 25) && main_~x~4 <= 74)) || (((51 <= main_~x~4 && 48 <= main_~y~4) && main_~y~4 <= 48) && main_~x~4 <= 51)) || (((4 <= main_~y~4 && 95 <= main_~x~4) && main_~x~4 <= 95) && main_~y~4 <= 4)) || (((main_~y~4 <= 7 && 6 <= main_~x~4) && 7 <= main_~y~4) && main_~x~4 <= 6)) || (((main_~y~4 <= 23 && 23 <= main_~y~4) && main_~x~4 <= 22) && 22 <= main_~x~4)) || (((main_~x~4 <= 46 && 47 <= main_~y~4) && 46 <= main_~x~4) && main_~y~4 <= 47)) || (((main_~x~4 <= 30 && 31 <= main_~y~4) && 30 <= main_~x~4) && main_~y~4 <= 31)) || (((53 <= main_~x~4 && main_~x~4 <= 53) && main_~y~4 <= 46) && 46 <= main_~y~4)) || (((main_~x~4 <= 21 && main_~y~4 <= 22) && 21 <= main_~x~4) && 22 <= main_~y~4)) || ((main_~y~4 + 1 <= 0 && main_~x~4 <= 100) && 100 <= main_~x~4)) || (((main_~x~4 <= 16 && 16 <= main_~x~4) && 17 <= main_~y~4) && main_~y~4 <= 17)) || (((20 <= main_~x~4 && 21 <= main_~y~4) && main_~x~4 <= 20) && main_~y~4 <= 21)) || (((main_~x~4 <= 70 && 70 <= main_~x~4) && main_~y~4 <= 29) && 29 <= main_~y~4)) || (((main_~x~4 <= 91 && 91 <= main_~x~4) && 8 <= main_~y~4) && main_~y~4 <= 8)) || (((main_~x~4 <= 0 && 0 <= main_~x~4) && main_~y~4 <= 1) && 1 <= main_~y~4)) || (((main_~x~4 <= 98 && 98 <= main_~x~4) && main_~y~4 <= 1) && 1 <= main_~y~4)) || (((main_~x~4 <= 54 && 45 <= main_~y~4) && 54 <= main_~x~4) && main_~y~4 <= 45)) || (((main_~x~4 <= 76 && main_~y~4 <= 23) && 23 <= main_~y~4) && 76 <= main_~x~4)) || (((main_~x~4 <= 68 && 31 <= main_~y~4) && 68 <= main_~x~4) && main_~y~4 <= 31)) || (((main_~x~4 <= 40 && main_~y~4 <= 41) && 40 <= main_~x~4) && 41 <= main_~y~4)) || (((main_~x~4 <= 75 && 24 <= main_~y~4) && 75 <= main_~x~4) && main_~y~4 <= 24)) || (((14 <= main_~y~4 && main_~y~4 <= 14) && 85 <= main_~x~4) && main_~x~4 <= 85)) || (((main_~x~4 <= 77 && main_~y~4 <= 22) && 77 <= main_~x~4) && 22 <= main_~y~4)) || (((main_~y~4 <= 50 && 49 <= main_~x~4) && main_~x~4 <= 49) && 50 <= main_~y~4)) || (((19 <= main_~y~4 && main_~x~4 <= 80) && main_~y~4 <= 19) && 80 <= main_~x~4)) || (((34 <= main_~x~4 && main_~x~4 <= 34) && 35 <= main_~y~4) && main_~y~4 <= 35)) || (((main_~y~4 <= 34 && 34 <= main_~y~4) && 65 <= main_~x~4) && main_~x~4 <= 65)) || (((main_~y~4 <= 3 && 3 <= main_~y~4) && 2 <= main_~x~4) && main_~x~4 <= 2)) || (((main_~x~4 <= 82 && 82 <= main_~x~4) && 17 <= main_~y~4) && main_~y~4 <= 17)) || (((main_~y~4 <= 30 && 30 <= main_~y~4) && 69 <= main_~x~4) && main_~x~4 <= 69)) || (((14 <= main_~y~4 && main_~x~4 <= 13) && 13 <= main_~x~4) && main_~y~4 <= 14)) || (((main_~x~4 <= 52 && 52 <= main_~x~4) && 47 <= main_~y~4) && main_~y~4 <= 47)) || (((main_~y~4 <= 7 && main_~x~4 <= 92) && 7 <= main_~y~4) && 92 <= main_~x~4)) || (((20 <= main_~y~4 && 19 <= main_~x~4) && main_~x~4 <= 19) && main_~y~4 <= 20)) || (((main_~x~4 <= 23 && 23 <= main_~x~4) && 24 <= main_~y~4) && main_~y~4 <= 24)) || (((main_~x~4 <= 10 && main_~y~4 <= 11) && 11 <= main_~y~4) && 10 <= main_~x~4)) || (((38 <= main_~x~4 && 39 <= main_~y~4) && main_~x~4 <= 38) && main_~y~4 <= 39)) || (((main_~x~4 <= 32 && 33 <= main_~y~4) && 32 <= main_~x~4) && main_~y~4 <= 33)) || (((main_~y~4 <= 15 && main_~x~4 <= 84) && 84 <= main_~x~4) && 15 <= main_~y~4)) || (((main_~y~4 <= 10 && main_~x~4 <= 89) && 89 <= main_~x~4) && 10 <= main_~y~4)) || (((3 <= main_~x~4 && 4 <= main_~y~4) && main_~x~4 <= 3) && main_~y~4 <= 4) - InvariantResult [Line: 20]: Loop Invariant Derived loop invariant: ((((((((((((((((((((((((((((((((((((((((((((((((((((((((((((((((((((((((((((((((((((((((((((((((((((((31 <= main_~y~4 && 69 <= main_~x~4) && main_~x~4 <= 69) && main_~y~4 <= 31) || (((main_~y~4 <= 22 && main_~x~4 <= 78) && 78 <= main_~x~4) && 22 <= main_~y~4)) || (((main_~y~4 <= 7 && 7 <= main_~y~4) && main_~x~4 <= 93) && 93 <= main_~x~4)) || (((48 <= main_~x~4 && 48 <= main_~y~4) && main_~y~4 <= 48) && main_~x~4 <= 48)) || (((5 <= main_~y~4 && main_~y~4 <= 5) && 95 <= main_~x~4) && main_~x~4 <= 95)) || (((main_~x~4 <= 54 && main_~y~4 <= 46) && 54 <= main_~x~4) && 46 <= main_~y~4)) || (((main_~x~4 <= 77 && 77 <= main_~x~4) && main_~y~4 <= 23) && 23 <= main_~y~4)) || (((19 <= main_~y~4 && main_~x~4 <= 81) && 81 <= main_~x~4) && main_~y~4 <= 19)) || (((72 <= main_~x~4 && main_~y~4 <= 28) && main_~x~4 <= 72) && 28 <= main_~y~4)) || (((main_~x~4 <= 64 && main_~y~4 <= 36) && 64 <= main_~x~4) && 36 <= main_~y~4)) || (((4 <= main_~y~4 && main_~x~4 <= 96) && 96 <= main_~x~4) && main_~y~4 <= 4)) || (((79 <= main_~x~4 && 21 <= main_~y~4) && main_~x~4 <= 79) && main_~y~4 <= 21)) || (((main_~y~4 <= 28 && main_~x~4 <= 28) && 28 <= main_~y~4) && 28 <= main_~x~4)) || (((main_~x~4 <= 41 && 41 <= main_~x~4) && main_~y~4 <= 41) && 41 <= main_~y~4)) || (((49 <= main_~x~4 && 49 <= main_~y~4) && main_~y~4 <= 49) && main_~x~4 <= 49)) || (((20 <= main_~y~4 && main_~x~4 <= 80) && 80 <= main_~x~4) && main_~y~4 <= 20)) || (((main_~x~4 <= 16 && 16 <= main_~x~4) && 16 <= main_~y~4) && main_~y~4 <= 16)) || (((12 <= main_~x~4 && 12 <= main_~y~4) && main_~y~4 <= 12) && main_~x~4 <= 12)) || (((6 <= main_~y~4 && main_~y~4 <= 6) && main_~x~4 <= 94) && 94 <= main_~x~4)) || (((35 <= main_~y~4 && main_~y~4 <= 35) && 65 <= main_~x~4) && main_~x~4 <= 65)) || (((83 <= main_~x~4 && 17 <= main_~y~4) && main_~y~4 <= 17) && main_~x~4 <= 83)) || (((29 <= main_~x~4 && main_~y~4 <= 29) && 29 <= main_~y~4) && main_~x~4 <= 29)) || (((main_~x~4 <= 21 && 21 <= main_~y~4) && 21 <= main_~x~4) && main_~y~4 <= 21)) || (((20 <= main_~x~4 && 20 <= main_~y~4) && main_~x~4 <= 20) && main_~y~4 <= 20)) || (((main_~x~4 <= 26 && main_~y~4 <= 26) && 26 <= main_~y~4) && 26 <= main_~x~4)) || (((main_~y~4 <= 13 && 13 <= main_~y~4) && main_~x~4 <= 13) && 13 <= main_~x~4)) || (((51 <= main_~x~4 && 49 <= main_~y~4) && main_~y~4 <= 49) && main_~x~4 <= 51)) || (((main_~y~4 <= 0 && 0 <= main_~y~4) && main_~x~4 <= 0) && 0 <= main_~x~4)) || (((56 <= main_~x~4 && main_~x~4 <= 56) && main_~y~4 <= 44) && 44 <= main_~y~4)) || (((main_~x~4 <= 76 && 24 <= main_~y~4) && main_~y~4 <= 24) && 76 <= main_~x~4)) || (((60 <= main_~x~4 && main_~y~4 <= 40) && main_~x~4 <= 60) && 40 <= main_~y~4)) || (((58 <= main_~x~4 && main_~y~4 <= 42) && 42 <= main_~y~4) && main_~x~4 <= 58)) || (((main_~x~4 <= 32 && 32 <= main_~y~4) && 32 <= main_~x~4) && main_~y~4 <= 32)) || (((19 <= main_~y~4 && 19 <= main_~x~4) && main_~y~4 <= 19) && main_~x~4 <= 19)) || (((main_~x~4 <= 33 && 33 <= main_~y~4) && 33 <= main_~x~4) && main_~y~4 <= 33)) || (((67 <= main_~x~4 && 33 <= main_~y~4) && main_~y~4 <= 33) && main_~x~4 <= 67)) || (((18 <= main_~y~4 && main_~x~4 <= 82) && 82 <= main_~x~4) && main_~y~4 <= 18)) || (((main_~y~4 <= 9 && 9 <= main_~x~4) && main_~x~4 <= 9) && 9 <= main_~y~4)) || (((39 <= main_~y~4 && main_~x~4 <= 39) && main_~y~4 <= 39) && 39 <= main_~x~4)) || (((main_~y~4 <= 2 && 2 <= main_~y~4) && 2 <= main_~x~4) && main_~x~4 <= 2)) || (((99 <= main_~x~4 && main_~x~4 <= 99) && main_~y~4 <= 1) && 1 <= main_~y~4)) || (((43 <= main_~y~4 && main_~x~4 <= 43) && 43 <= main_~x~4) && main_~y~4 <= 43)) || (((main_~x~4 <= 1 && main_~y~4 <= 1) && 1 <= main_~y~4) && 1 <= main_~x~4)) || (((main_~y~4 <= 22 && main_~x~4 <= 22) && 22 <= main_~x~4) && 22 <= main_~y~4)) || (((71 <= main_~x~4 && main_~x~4 <= 71) && main_~y~4 <= 29) && 29 <= main_~y~4)) || (((66 <= main_~x~4 && main_~x~4 <= 66) && main_~y~4 <= 34) && 34 <= main_~y~4)) || (((32 <= main_~y~4 && main_~x~4 <= 68) && 68 <= main_~x~4) && main_~y~4 <= 32)) || (((main_~x~4 <= 91 && main_~y~4 <= 9) && 91 <= main_~x~4) && 9 <= main_~y~4)) || (((6 <= main_~x~4 && 6 <= main_~y~4) && main_~y~4 <= 6) && main_~x~4 <= 6)) || (((main_~x~4 <= 7 && main_~y~4 <= 7) && 7 <= main_~y~4) && 7 <= main_~x~4)) || (((main_~x~4 <= 75 && 75 <= main_~x~4) && 25 <= main_~y~4) && main_~y~4 <= 25)) || (((47 <= main_~y~4 && 53 <= main_~x~4) && main_~x~4 <= 53) && main_~y~4 <= 47)) || (((main_~y~4 <= 10 && main_~x~4 <= 90) && 90 <= main_~x~4) && 10 <= main_~y~4)) || (((main_~y~4 <= 0 && 0 <= main_~y~4) && main_~x~4 <= 100) && 100 <= main_~x~4)) || (((main_~x~4 <= 23 && 23 <= main_~x~4) && main_~y~4 <= 23) && 23 <= main_~y~4)) || (((main_~x~4 <= 98 && main_~y~4 <= 2) && 2 <= main_~y~4) && 98 <= main_~x~4)) || (((main_~x~4 <= 5 && 5 <= main_~y~4) && main_~y~4 <= 5) && 5 <= main_~x~4)) || (((main_~x~4 <= 11 && 11 <= main_~x~4) && main_~y~4 <= 11) && 11 <= main_~y~4)) || (((25 <= main_~y~4 && main_~y~4 <= 25) && main_~x~4 <= 25) && 25 <= main_~x~4)) || (((main_~y~4 <= 15 && 85 <= main_~x~4) && main_~x~4 <= 85) && 15 <= main_~y~4)) || (((main_~y~4 <= 42 && 42 <= main_~y~4) && main_~x~4 <= 42) && 42 <= main_~x~4)) || (((main_~x~4 <= 8 && 8 <= main_~y~4) && main_~y~4 <= 8) && 8 <= main_~x~4)) || (((main_~y~4 <= 27 && 27 <= main_~y~4) && main_~x~4 <= 73) && 73 <= main_~x~4)) || (((37 <= main_~y~4 && main_~x~4 <= 37) && main_~y~4 <= 37) && 37 <= main_~x~4)) || (((61 <= main_~x~4 && 39 <= main_~y~4) && main_~x~4 <= 61) && main_~y~4 <= 39)) || (((34 <= main_~x~4 && main_~x~4 <= 34) && main_~y~4 <= 34) && 34 <= main_~y~4)) || (((main_~x~4 <= 59 && main_~y~4 <= 41) && 41 <= main_~y~4) && 59 <= main_~x~4)) || (((main_~y~4 <= 10 && main_~x~4 <= 10) && 10 <= main_~y~4) && 10 <= main_~x~4)) || (((45 <= main_~y~4 && 55 <= main_~x~4) && main_~x~4 <= 55) && main_~y~4 <= 45)) || (((main_~y~4 <= 27 && main_~x~4 <= 27) && 27 <= main_~y~4) && 27 <= main_~x~4)) || (((main_~y~4 <= 13 && main_~x~4 <= 87) && 13 <= main_~y~4) && 87 <= main_~x~4)) || (((18 <= main_~y~4 && 18 <= main_~x~4) && main_~x~4 <= 18) && main_~y~4 <= 18)) || (((main_~x~4 <= 31 && 31 <= main_~y~4) && main_~y~4 <= 31) && 31 <= main_~x~4)) || (((main_~x~4 <= 62 && main_~y~4 <= 38) && 38 <= main_~y~4) && 62 <= main_~x~4)) || (((main_~x~4 <= 46 && 46 <= main_~x~4) && main_~y~4 <= 46) && 46 <= main_~y~4)) || (((main_~y~4 <= 30 && main_~x~4 <= 30) && 30 <= main_~y~4) && 30 <= main_~x~4)) || (((16 <= main_~y~4 && main_~x~4 <= 84) && main_~y~4 <= 16) && 84 <= main_~x~4)) || (((47 <= main_~y~4 && 47 <= main_~x~4) && main_~x~4 <= 47) && main_~y~4 <= 47)) || (((74 <= main_~x~4 && main_~y~4 <= 26) && main_~x~4 <= 74) && 26 <= main_~y~4)) || (((38 <= main_~x~4 && main_~x~4 <= 38) && main_~y~4 <= 38) && 38 <= main_~y~4)) || (((main_~y~4 <= 3 && 3 <= main_~y~4) && 97 <= main_~x~4) && main_~x~4 <= 97)) || (((main_~y~4 <= 30 && main_~x~4 <= 70) && 70 <= main_~x~4) && 30 <= main_~y~4)) || (((3 <= main_~x~4 && main_~y~4 <= 3) && 3 <= main_~y~4) && main_~x~4 <= 3)) || (((45 <= main_~y~4 && 45 <= main_~x~4) && main_~y~4 <= 45) && main_~x~4 <= 45)) || (((63 <= main_~x~4 && 37 <= main_~y~4) && main_~y~4 <= 37) && main_~x~4 <= 63)) || (((main_~x~4 <= 92 && 8 <= main_~y~4) && main_~y~4 <= 8) && 92 <= main_~x~4)) || (((12 <= main_~y~4 && 88 <= main_~x~4) && main_~x~4 <= 88) && main_~y~4 <= 12)) || (((43 <= main_~y~4 && 57 <= main_~x~4) && main_~x~4 <= 57) && main_~y~4 <= 43)) || (((24 <= main_~y~4 && main_~x~4 <= 24) && 24 <= main_~x~4) && main_~y~4 <= 24)) || (((main_~x~4 <= 52 && 52 <= main_~x~4) && 48 <= main_~y~4) && main_~y~4 <= 48)) || (((14 <= main_~y~4 && 14 <= main_~x~4) && main_~x~4 <= 14) && main_~y~4 <= 14)) || (((main_~x~4 <= 89 && 89 <= main_~x~4) && main_~y~4 <= 11) && 11 <= main_~y~4)) || (((44 <= main_~x~4 && main_~x~4 <= 44) && main_~y~4 <= 44) && 44 <= main_~y~4)) || (((main_~y~4 <= 15 && 15 <= main_~x~4) && 15 <= main_~y~4) && main_~x~4 <= 15)) || (((main_~x~4 <= 40 && main_~y~4 <= 40) && 40 <= main_~x~4) && 40 <= main_~y~4)) || (((14 <= main_~y~4 && 86 <= main_~x~4) && main_~y~4 <= 14) && main_~x~4 <= 86)) || (((36 <= main_~x~4 && main_~y~4 <= 36) && main_~x~4 <= 36) && 36 <= main_~y~4)) || (((main_~x~4 <= 35 && 35 <= main_~y~4) && 35 <= main_~x~4) && main_~y~4 <= 35)) || (((4 <= main_~y~4 && main_~x~4 <= 4) && 4 <= main_~x~4) && main_~y~4 <= 4)) || (((main_~x~4 <= 50 && main_~y~4 <= 50) && 50 <= main_~x~4) && 50 <= main_~y~4)) || (((main_~x~4 <= 17 && 17 <= main_~y~4) && main_~y~4 <= 17) && 17 <= main_~x~4) - StatisticsResult: Ultimate Automizer benchmark data CFG has 1 procedures, 7 locations, 1 error locations. SAFE Result, 131.3s OverallTime, 102 OverallIterations, 102 TraceHistogramMax, 61.6s AutomataDifference, 0.0s DeadEndRemovalTime, 5.1s HoareAnnotationTime, HoareTripleCheckerStatistics: 304 SDtfs, 99 SDslu, 4273 SDs, 0 SdLazy, 612271 SolverSat, 11331 SolverUnsat, 0 SolverUnknown, 0 SolverNotchecked, 35.2s Time, PredicateUnifierStatistics: 0 DeclaredPredicates, 10273 GetRequests, 102 SyntacticMatches, 50 SemanticMatches, 10121 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 336840 ImplicationChecksByTransitivity, 56.7s Time, 0.2s BasicInterpolantAutomatonTime, BiggestAbstraction: size=207occurred in iteration=101, traceCheckStatistics: No data available, InterpolantConsolidationStatistics: No data available, PathInvariantsStatistics: No data available, 2752/353702 InterpolantCoveringCapability, TotalInterpolationStatistics: No data available, 0.0s AbstIntTime, 0 AbstIntIterations, 0 AbstIntStrong, NaN AbsIntWeakeningRatio, NaN AbsIntAvgWeakeningVarsNumRemoved, NaN AbsIntAvgWeakenedConjuncts, 0.0s DumpTime, AutomataMinimizationStatistics: 1.4s AutomataMinimizationTime, 102 MinimizatonAttempts, 97 StatesRemovedByMinimization, 97 NontrivialMinimizations, HoareAnnotationStatistics: 0.0s HoareAnnotationTime, 6 LocationsWithAnnotation, 6 PreInvPairs, 208 NumberOfFragments, 2631 HoareAnnotationTreeSize, 6 FomulaSimplifications, 3166593487994532 FormulaSimplificationTreeSizeReduction, 2.5s HoareSimplificationTime, 6 FomulaSimplificationsInter, 780 FormulaSimplificationTreeSizeReductionInter, 2.4s HoareSimplificationTimeInter, RefinementEngineStatistics: TraceCheckStatistics: 0.2s SsaConstructionTime, 1.7s SatisfiabilityAnalysisTime, 57.7s InterpolantComputationTime, 10710 NumberOfCodeBlocks, 10710 NumberOfCodeBlocksAsserted, 102 NumberOfCheckSat, 10608 ConstructedInterpolants, 0 QuantifiedInterpolants, 11299226 SizeOfPredicates, 0 NumberOfNonLiveVariables, 0 ConjunctsInSsa, 0 ConjunctsInUnsatCore, 102 InterpolantComputations, 1 PerfectInterpolantSequences, 2752/353702 InterpolantCoveringCapability, InvariantSynthesisStatistics: No data available, InterpolantConsolidationStatistics: No data available, ReuseStatistics: No data available RESULT: Ultimate proved your program to be correct! Written .csv to /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/csv/gr2006.c.i_4.bplTransformedIcfg_BEv2_3.bpl_AutomizerBpl-nestedInterpolants.epf_AutomizerBpl.xml/Csv-Benchmark-0-2018-07-23_13-43-05-595.csv Written .csv to /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/csv/gr2006.c.i_4.bplTransformedIcfg_BEv2_3.bpl_AutomizerBpl-nestedInterpolants.epf_AutomizerBpl.xml/Csv-TraceAbstractionBenchmarks-0-2018-07-23_13-43-05-595.csv Received shutdown request...